]>
Commit | Line | Data |
---|---|---|
31e31b8a FB |
1 | /* |
2 | * Linux syscalls | |
5fafdf24 | 3 | * |
31e31b8a FB |
4 | * Copyright (c) 2003 Fabrice Bellard |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
8167ee88 | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
31e31b8a | 18 | */ |
d5b3a9b6 | 19 | #define _ATFILE_SOURCE |
d39594e9 | 20 | #include "qemu/osdep.h" |
f348b6d1 VB |
21 | #include "qemu/cutils.h" |
22 | #include "qemu/path.h" | |
31e31b8a FB |
23 | #include <elf.h> |
24 | #include <endian.h> | |
c56dc774 | 25 | #include <grp.h> |
d08d3bb8 TS |
26 | #include <sys/ipc.h> |
27 | #include <sys/msg.h> | |
31e31b8a | 28 | #include <sys/wait.h> |
31e31b8a | 29 | #include <sys/mount.h> |
586b0bef JS |
30 | #include <sys/file.h> |
31 | #include <sys/fsuid.h> | |
32 | #include <sys/personality.h> | |
39b9aae1 | 33 | #include <sys/prctl.h> |
31e31b8a | 34 | #include <sys/resource.h> |
31e31b8a | 35 | #include <sys/swap.h> |
e0eb210e | 36 | #include <linux/capability.h> |
31e31b8a | 37 | #include <sched.h> |
19f59bce | 38 | #include <sys/timex.h> |
31e31b8a | 39 | #include <sys/socket.h> |
607175e0 | 40 | #include <sys/un.h> |
31e31b8a | 41 | #include <sys/uio.h> |
0839f11c | 42 | #include <poll.h> |
32f36bce | 43 | #include <sys/times.h> |
8853f86e | 44 | #include <sys/shm.h> |
fa294816 | 45 | #include <sys/sem.h> |
56c8f68f | 46 | #include <sys/statfs.h> |
ebc05488 | 47 | #include <utime.h> |
a5448a7d | 48 | #include <sys/sysinfo.h> |
e36800c9 | 49 | #include <sys/signalfd.h> |
72f03900 | 50 | //#include <sys/user.h> |
8853f86e | 51 | #include <netinet/ip.h> |
7854b056 | 52 | #include <netinet/tcp.h> |
86fcd946 | 53 | #include <linux/wireless.h> |
920394db | 54 | #include <linux/icmp.h> |
ee1ac3a1 HD |
55 | #include <linux/icmpv6.h> |
56 | #include <linux/errqueue.h> | |
d6d6d6fe | 57 | #include <linux/random.h> |
d80a1905 RV |
58 | #ifdef CONFIG_TIMERFD |
59 | #include <sys/timerfd.h> | |
60 | #endif | |
c2882b96 RV |
61 | #ifdef CONFIG_EVENTFD |
62 | #include <sys/eventfd.h> | |
63 | #endif | |
3b6edd16 PM |
64 | #ifdef CONFIG_EPOLL |
65 | #include <sys/epoll.h> | |
66 | #endif | |
a790ae38 | 67 | #ifdef CONFIG_ATTR |
1de7afc9 | 68 | #include "qemu/xattr.h" |
a790ae38 | 69 | #endif |
a8fd1aba PM |
70 | #ifdef CONFIG_SENDFILE |
71 | #include <sys/sendfile.h> | |
72 | #endif | |
31e31b8a FB |
73 | |
74 | #define termios host_termios | |
75 | #define winsize host_winsize | |
76 | #define termio host_termio | |
04369ff2 FB |
77 | #define sgttyb host_sgttyb /* same as target */ |
78 | #define tchars host_tchars /* same as target */ | |
79 | #define ltchars host_ltchars /* same as target */ | |
31e31b8a FB |
80 | |
81 | #include <linux/termios.h> | |
82 | #include <linux/unistd.h> | |
31e31b8a FB |
83 | #include <linux/cdrom.h> |
84 | #include <linux/hdreg.h> | |
85 | #include <linux/soundcard.h> | |
19b84f3c | 86 | #include <linux/kd.h> |
8fbd6b52 | 87 | #include <linux/mtio.h> |
350d1779 | 88 | #include <linux/fs.h> |
dace20dc | 89 | #if defined(CONFIG_FIEMAP) |
285da2b9 | 90 | #include <linux/fiemap.h> |
dace20dc | 91 | #endif |
f7680a55 | 92 | #include <linux/fb.h> |
6c753a63 CT |
93 | #if defined(CONFIG_USBFS) |
94 | #include <linux/usbdevice_fs.h> | |
a133367e | 95 | #include <linux/usb/ch9.h> |
6c753a63 | 96 | #endif |
f7680a55 | 97 | #include <linux/vt.h> |
56e904ec | 98 | #include <linux/dm-ioctl.h> |
c07ecc68 | 99 | #include <linux/reboot.h> |
7ff7b666 | 100 | #include <linux/route.h> |
f57d4192 | 101 | #include <linux/filter.h> |
fff8c539 | 102 | #include <linux/blkpg.h> |
a82ea939 | 103 | #include <netpacket/packet.h> |
6c5b5645 | 104 | #include <linux/netlink.h> |
f31dddd2 | 105 | #include <linux/if_alg.h> |
d7e4036e | 106 | #include "linux_loop.h" |
18cb0088 | 107 | #include "uname.h" |
31e31b8a | 108 | |
3ef693a0 | 109 | #include "qemu.h" |
5ebdd774 | 110 | #include "qemu/guest-random.h" |
51977e25 | 111 | #include "qapi/error.h" |
f7e6a401 | 112 | #include "fd-trans.h" |
31e31b8a | 113 | |
5ea2fc84 PM |
114 | #ifndef CLONE_IO |
115 | #define CLONE_IO 0x80000000 /* Clone io context */ | |
116 | #endif | |
117 | ||
118 | /* We can't directly call the host clone syscall, because this will | |
119 | * badly confuse libc (breaking mutexes, for example). So we must | |
120 | * divide clone flags into: | |
121 | * * flag combinations that look like pthread_create() | |
122 | * * flag combinations that look like fork() | |
123 | * * flags we can implement within QEMU itself | |
124 | * * flags we can't support and will return an error for | |
125 | */ | |
126 | /* For thread creation, all these flags must be present; for | |
127 | * fork, none must be present. | |
128 | */ | |
129 | #define CLONE_THREAD_FLAGS \ | |
130 | (CLONE_VM | CLONE_FS | CLONE_FILES | \ | |
131 | CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM) | |
132 | ||
133 | /* These flags are ignored: | |
134 | * CLONE_DETACHED is now ignored by the kernel; | |
135 | * CLONE_IO is just an optimisation hint to the I/O scheduler | |
136 | */ | |
137 | #define CLONE_IGNORED_FLAGS \ | |
138 | (CLONE_DETACHED | CLONE_IO) | |
139 | ||
140 | /* Flags for fork which we can implement within QEMU itself */ | |
141 | #define CLONE_OPTIONAL_FORK_FLAGS \ | |
142 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
143 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID) | |
144 | ||
145 | /* Flags for thread creation which we can implement within QEMU itself */ | |
146 | #define CLONE_OPTIONAL_THREAD_FLAGS \ | |
147 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
148 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT) | |
149 | ||
150 | #define CLONE_INVALID_FORK_FLAGS \ | |
151 | (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS)) | |
152 | ||
153 | #define CLONE_INVALID_THREAD_FLAGS \ | |
154 | (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \ | |
155 | CLONE_IGNORED_FLAGS)) | |
156 | ||
157 | /* CLONE_VFORK is special cased early in do_fork(). The other flag bits | |
158 | * have almost all been allocated. We cannot support any of | |
159 | * CLONE_NEWNS, CLONE_NEWCGROUP, CLONE_NEWUTS, CLONE_NEWIPC, | |
160 | * CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_PTRACE, CLONE_UNTRACED. | |
161 | * The checks against the invalid thread masks above will catch these. | |
162 | * (The one remaining unallocated bit is 0x1000 which used to be CLONE_PID.) | |
163 | */ | |
30813cea | 164 | |
71a8f7fe TB |
165 | /* Define DEBUG_ERESTARTSYS to force every syscall to be restarted |
166 | * once. This exercises the codepaths for restart. | |
167 | */ | |
168 | //#define DEBUG_ERESTARTSYS | |
31e31b8a | 169 | |
1a9353d2 | 170 | //#include <linux/msdos_fs.h> |
6556a833 AJ |
171 | #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
172 | #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) | |
1a9353d2 | 173 | |
70a194b9 FB |
174 | #undef _syscall0 |
175 | #undef _syscall1 | |
176 | #undef _syscall2 | |
177 | #undef _syscall3 | |
178 | #undef _syscall4 | |
179 | #undef _syscall5 | |
83fcb515 | 180 | #undef _syscall6 |
70a194b9 | 181 | |
83fcb515 | 182 | #define _syscall0(type,name) \ |
8fcd3692 | 183 | static type name (void) \ |
83fcb515 FB |
184 | { \ |
185 | return syscall(__NR_##name); \ | |
186 | } | |
70a194b9 | 187 | |
83fcb515 | 188 | #define _syscall1(type,name,type1,arg1) \ |
8fcd3692 | 189 | static type name (type1 arg1) \ |
83fcb515 FB |
190 | { \ |
191 | return syscall(__NR_##name, arg1); \ | |
70a194b9 FB |
192 | } |
193 | ||
83fcb515 | 194 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
8fcd3692 | 195 | static type name (type1 arg1,type2 arg2) \ |
83fcb515 FB |
196 | { \ |
197 | return syscall(__NR_##name, arg1, arg2); \ | |
70a194b9 FB |
198 | } |
199 | ||
83fcb515 | 200 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
8fcd3692 | 201 | static type name (type1 arg1,type2 arg2,type3 arg3) \ |
83fcb515 FB |
202 | { \ |
203 | return syscall(__NR_##name, arg1, arg2, arg3); \ | |
70a194b9 FB |
204 | } |
205 | ||
83fcb515 | 206 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
8fcd3692 | 207 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
83fcb515 FB |
208 | { \ |
209 | return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
70a194b9 FB |
210 | } |
211 | ||
83fcb515 FB |
212 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
213 | type5,arg5) \ | |
8fcd3692 | 214 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
83fcb515 FB |
215 | { \ |
216 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
70a194b9 FB |
217 | } |
218 | ||
83fcb515 FB |
219 | |
220 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ | |
221 | type5,arg5,type6,arg6) \ | |
8fcd3692 BS |
222 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ |
223 | type6 arg6) \ | |
83fcb515 FB |
224 | { \ |
225 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
70a194b9 | 226 | } |
83fcb515 | 227 | |
70a194b9 | 228 | |
31e31b8a | 229 | #define __NR_sys_uname __NR_uname |
72f03900 | 230 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 231 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 232 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 233 | #define __NR_sys_getpriority __NR_getpriority |
66fb9763 | 234 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
cf8b8bfc | 235 | #define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo |
7494b0f9 | 236 | #define __NR_sys_syslog __NR_syslog |
bd0c5661 | 237 | #define __NR_sys_futex __NR_futex |
39b59763 AJ |
238 | #define __NR_sys_inotify_init __NR_inotify_init |
239 | #define __NR_sys_inotify_add_watch __NR_inotify_add_watch | |
240 | #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch | |
efa92184 | 241 | #define __NR_sys_statx __NR_statx |
31e31b8a | 242 | |
b1cef6d0 | 243 | #if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__) |
9af9eaaa FB |
244 | #define __NR__llseek __NR_lseek |
245 | #endif | |
246 | ||
a29e5ba2 JH |
247 | /* Newer kernel ports have llseek() instead of _llseek() */ |
248 | #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek) | |
249 | #define TARGET_NR__llseek TARGET_NR_llseek | |
250 | #endif | |
251 | ||
71ba74f6 DB |
252 | #define __NR_sys_gettid __NR_gettid |
253 | _syscall0(int, sys_gettid) | |
2b3f64cb PM |
254 | |
255 | /* For the 64-bit guest on 32-bit host case we must emulate | |
256 | * getdents using getdents64, because otherwise the host | |
257 | * might hand us back more dirent records than we can fit | |
258 | * into the guest buffer after structure format conversion. | |
259 | * Otherwise we emulate getdents with getdents if the host has it. | |
260 | */ | |
261 | #if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS | |
262 | #define EMULATE_GETDENTS_WITH_GETDENTS | |
263 | #endif | |
264 | ||
265 | #if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS) | |
3b3f24ad | 266 | _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
3307e236 | 267 | #endif |
2b3f64cb PM |
268 | #if (defined(TARGET_NR_getdents) && \ |
269 | !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \ | |
3307e236 | 270 | (defined(TARGET_NR_getdents64) && defined(__NR_getdents64)) |
3b3f24ad AJ |
271 | _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
272 | #endif | |
d35b261c | 273 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
3b3f24ad AJ |
274 | _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
275 | loff_t *, res, uint, wh); | |
276 | #endif | |
c1a402a7 | 277 | _syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo) |
cf8b8bfc MS |
278 | _syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig, |
279 | siginfo_t *, uinfo) | |
3b3f24ad | 280 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) |
3b3f24ad AJ |
281 | #ifdef __NR_exit_group |
282 | _syscall1(int,exit_group,int,error_code) | |
283 | #endif | |
284 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) | |
285 | _syscall1(int,set_tid_address,int *,tidptr) | |
286 | #endif | |
3b3f24ad AJ |
287 | #if defined(TARGET_NR_futex) && defined(__NR_futex) |
288 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, | |
289 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
290 | #endif | |
737de1d1 MF |
291 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
292 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
293 | unsigned long *, user_mask_ptr); | |
294 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
295 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
296 | unsigned long *, user_mask_ptr); | |
b827c3ed ST |
297 | #define __NR_sys_getcpu __NR_getcpu |
298 | _syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache); | |
0f6b4d21 AG |
299 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
300 | void *, arg); | |
e0eb210e PM |
301 | _syscall2(int, capget, struct __user_cap_header_struct *, header, |
302 | struct __user_cap_data_struct *, data); | |
303 | _syscall2(int, capset, struct __user_cap_header_struct *, header, | |
304 | struct __user_cap_data_struct *, data); | |
ab31cda3 PB |
305 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
306 | _syscall2(int, ioprio_get, int, which, int, who) | |
307 | #endif | |
308 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
309 | _syscall3(int, ioprio_set, int, which, int, who, int, ioprio) | |
310 | #endif | |
f894efd1 LV |
311 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
312 | _syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags) | |
313 | #endif | |
3b3f24ad | 314 | |
2f14788c LV |
315 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
316 | _syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type, | |
317 | unsigned long, idx1, unsigned long, idx2) | |
318 | #endif | |
319 | ||
efa92184 AR |
320 | /* |
321 | * It is assumed that struct statx is architecture independent. | |
322 | */ | |
323 | #if defined(TARGET_NR_statx) && defined(__NR_statx) | |
324 | _syscall5(int, sys_statx, int, dirfd, const char *, pathname, int, flags, | |
325 | unsigned int, mask, struct target_statx *, statxbuf) | |
326 | #endif | |
327 | ||
3b3f24ad AJ |
328 | static bitmask_transtbl fcntl_flags_tbl[] = { |
329 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, | |
330 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
331 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
332 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
333 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
334 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
335 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
336 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 337 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
338 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
339 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
340 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
341 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
342 | #if defined(O_DIRECT) |
343 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
344 | #endif |
345 | #if defined(O_NOATIME) | |
346 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
347 | #endif | |
348 | #if defined(O_CLOEXEC) | |
349 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
350 | #endif | |
351 | #if defined(O_PATH) | |
352 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
5f9cee46 RV |
353 | #endif |
354 | #if defined(O_TMPFILE) | |
355 | { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE }, | |
afc8763f RH |
356 | #endif |
357 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
358 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
359 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad AJ |
360 | #endif |
361 | { 0, 0, 0, 0 } | |
362 | }; | |
363 | ||
3b3f24ad AJ |
364 | static int sys_getcwd1(char *buf, size_t size) |
365 | { | |
366 | if (getcwd(buf, size) == NULL) { | |
367 | /* getcwd() sets errno */ | |
368 | return (-1); | |
369 | } | |
aaf4ad39 | 370 | return strlen(buf)+1; |
3b3f24ad AJ |
371 | } |
372 | ||
1acae9f2 | 373 | #ifdef TARGET_NR_utimensat |
700fa58e | 374 | #if defined(__NR_utimensat) |
1acae9f2 | 375 | #define __NR_sys_utimensat __NR_utimensat |
9007f0ef TS |
376 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
377 | const struct timespec *,tsp,int,flags) | |
1acae9f2 PM |
378 | #else |
379 | static int sys_utimensat(int dirfd, const char *pathname, | |
380 | const struct timespec times[2], int flags) | |
381 | { | |
382 | errno = ENOSYS; | |
383 | return -1; | |
384 | } | |
9007f0ef | 385 | #endif |
1acae9f2 | 386 | #endif /* TARGET_NR_utimensat */ |
3b3f24ad | 387 | |
95d0307c AS |
388 | #ifdef TARGET_NR_renameat2 |
389 | #if defined(__NR_renameat2) | |
390 | #define __NR_sys_renameat2 __NR_renameat2 | |
391 | _syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd, | |
392 | const char *, new, unsigned int, flags) | |
393 | #else | |
394 | static int sys_renameat2(int oldfd, const char *old, | |
395 | int newfd, const char *new, int flags) | |
396 | { | |
397 | if (flags == 0) { | |
398 | return renameat(oldfd, old, newfd, new); | |
399 | } | |
400 | errno = ENOSYS; | |
401 | return -1; | |
402 | } | |
403 | #endif | |
404 | #endif /* TARGET_NR_renameat2 */ | |
405 | ||
3b3f24ad | 406 | #ifdef CONFIG_INOTIFY |
8690e420 | 407 | #include <sys/inotify.h> |
3b3f24ad | 408 | |
39b59763 | 409 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
3b3f24ad AJ |
410 | static int sys_inotify_init(void) |
411 | { | |
412 | return (inotify_init()); | |
413 | } | |
39b59763 AJ |
414 | #endif |
415 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) | |
3b3f24ad AJ |
416 | static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
417 | { | |
418 | return (inotify_add_watch(fd, pathname, mask)); | |
419 | } | |
39b59763 AJ |
420 | #endif |
421 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) | |
3b3f24ad AJ |
422 | static int sys_inotify_rm_watch(int fd, int32_t wd) |
423 | { | |
8690e420 | 424 | return (inotify_rm_watch(fd, wd)); |
3b3f24ad | 425 | } |
bd0c5661 | 426 | #endif |
c05c7a73 RV |
427 | #ifdef CONFIG_INOTIFY1 |
428 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) | |
429 | static int sys_inotify_init1(int flags) | |
430 | { | |
431 | return (inotify_init1(flags)); | |
432 | } | |
433 | #endif | |
434 | #endif | |
3b3f24ad AJ |
435 | #else |
436 | /* Userspace can usually survive runtime without inotify */ | |
437 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 438 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
439 | #undef TARGET_NR_inotify_add_watch |
440 | #undef TARGET_NR_inotify_rm_watch | |
441 | #endif /* CONFIG_INOTIFY */ | |
442 | ||
163a05a8 PM |
443 | #if defined(TARGET_NR_prlimit64) |
444 | #ifndef __NR_prlimit64 | |
445 | # define __NR_prlimit64 -1 | |
446 | #endif | |
447 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
448 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
449 | struct host_rlimit64 { | |
450 | uint64_t rlim_cur; | |
451 | uint64_t rlim_max; | |
452 | }; | |
453 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
454 | const struct host_rlimit64 *, new_limit, | |
455 | struct host_rlimit64 *, old_limit) | |
456 | #endif | |
457 | ||
f4f1e10a ECL |
458 | |
459 | #if defined(TARGET_NR_timer_create) | |
460 | /* Maxiumum of 32 active POSIX timers allowed at any one time. */ | |
461 | static timer_t g_posix_timers[32] = { 0, } ; | |
462 | ||
463 | static inline int next_free_host_timer(void) | |
464 | { | |
465 | int k ; | |
466 | /* FIXME: Does finding the next free slot require a lock? */ | |
467 | for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) { | |
468 | if (g_posix_timers[k] == 0) { | |
469 | g_posix_timers[k] = (timer_t) 1; | |
470 | return k; | |
471 | } | |
472 | } | |
473 | return -1; | |
474 | } | |
475 | #endif | |
476 | ||
48e515d4 | 477 | /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */ |
4a1def4e | 478 | #ifdef TARGET_ARM |
8bf8e9df JC |
479 | static inline int regpairs_aligned(void *cpu_env, int num) |
480 | { | |
48e515d4 RV |
481 | return ((((CPUARMState *)cpu_env)->eabi) == 1) ; |
482 | } | |
d7779acb | 483 | #elif defined(TARGET_MIPS) && (TARGET_ABI_BITS == 32) |
8bf8e9df | 484 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } |
4a1def4e AG |
485 | #elif defined(TARGET_PPC) && !defined(TARGET_PPC64) |
486 | /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs | |
487 | * of registers which translates to the same as ARM/MIPS, because we start with | |
488 | * r3 as arg1 */ | |
8bf8e9df JC |
489 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } |
490 | #elif defined(TARGET_SH4) | |
491 | /* SH4 doesn't align register pairs, except for p{read,write}64 */ | |
492 | static inline int regpairs_aligned(void *cpu_env, int num) | |
493 | { | |
494 | switch (num) { | |
495 | case TARGET_NR_pread64: | |
496 | case TARGET_NR_pwrite64: | |
497 | return 1; | |
498 | ||
499 | default: | |
500 | return 0; | |
501 | } | |
502 | } | |
ba7651fb MF |
503 | #elif defined(TARGET_XTENSA) |
504 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } | |
48e515d4 | 505 | #else |
8bf8e9df | 506 | static inline int regpairs_aligned(void *cpu_env, int num) { return 0; } |
48e515d4 RV |
507 | #endif |
508 | ||
b92c47c1 TS |
509 | #define ERRNO_TABLE_SIZE 1200 |
510 | ||
511 | /* target_to_host_errno_table[] is initialized from | |
512 | * host_to_target_errno_table[] in syscall_init(). */ | |
513 | static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { | |
514 | }; | |
515 | ||
637947f1 | 516 | /* |
fe8f096b | 517 | * This list is the union of errno values overridden in asm-<arch>/errno.h |
637947f1 TS |
518 | * minus the errnos that are not actually generic to all archs. |
519 | */ | |
b92c47c1 | 520 | static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { |
08703b9f | 521 | [EAGAIN] = TARGET_EAGAIN, |
637947f1 TS |
522 | [EIDRM] = TARGET_EIDRM, |
523 | [ECHRNG] = TARGET_ECHRNG, | |
524 | [EL2NSYNC] = TARGET_EL2NSYNC, | |
525 | [EL3HLT] = TARGET_EL3HLT, | |
526 | [EL3RST] = TARGET_EL3RST, | |
527 | [ELNRNG] = TARGET_ELNRNG, | |
528 | [EUNATCH] = TARGET_EUNATCH, | |
529 | [ENOCSI] = TARGET_ENOCSI, | |
530 | [EL2HLT] = TARGET_EL2HLT, | |
531 | [EDEADLK] = TARGET_EDEADLK, | |
532 | [ENOLCK] = TARGET_ENOLCK, | |
533 | [EBADE] = TARGET_EBADE, | |
534 | [EBADR] = TARGET_EBADR, | |
535 | [EXFULL] = TARGET_EXFULL, | |
536 | [ENOANO] = TARGET_ENOANO, | |
537 | [EBADRQC] = TARGET_EBADRQC, | |
538 | [EBADSLT] = TARGET_EBADSLT, | |
539 | [EBFONT] = TARGET_EBFONT, | |
540 | [ENOSTR] = TARGET_ENOSTR, | |
541 | [ENODATA] = TARGET_ENODATA, | |
542 | [ETIME] = TARGET_ETIME, | |
543 | [ENOSR] = TARGET_ENOSR, | |
544 | [ENONET] = TARGET_ENONET, | |
545 | [ENOPKG] = TARGET_ENOPKG, | |
546 | [EREMOTE] = TARGET_EREMOTE, | |
547 | [ENOLINK] = TARGET_ENOLINK, | |
548 | [EADV] = TARGET_EADV, | |
549 | [ESRMNT] = TARGET_ESRMNT, | |
550 | [ECOMM] = TARGET_ECOMM, | |
551 | [EPROTO] = TARGET_EPROTO, | |
552 | [EDOTDOT] = TARGET_EDOTDOT, | |
553 | [EMULTIHOP] = TARGET_EMULTIHOP, | |
554 | [EBADMSG] = TARGET_EBADMSG, | |
555 | [ENAMETOOLONG] = TARGET_ENAMETOOLONG, | |
556 | [EOVERFLOW] = TARGET_EOVERFLOW, | |
557 | [ENOTUNIQ] = TARGET_ENOTUNIQ, | |
558 | [EBADFD] = TARGET_EBADFD, | |
559 | [EREMCHG] = TARGET_EREMCHG, | |
560 | [ELIBACC] = TARGET_ELIBACC, | |
561 | [ELIBBAD] = TARGET_ELIBBAD, | |
562 | [ELIBSCN] = TARGET_ELIBSCN, | |
563 | [ELIBMAX] = TARGET_ELIBMAX, | |
564 | [ELIBEXEC] = TARGET_ELIBEXEC, | |
565 | [EILSEQ] = TARGET_EILSEQ, | |
566 | [ENOSYS] = TARGET_ENOSYS, | |
567 | [ELOOP] = TARGET_ELOOP, | |
568 | [ERESTART] = TARGET_ERESTART, | |
569 | [ESTRPIPE] = TARGET_ESTRPIPE, | |
570 | [ENOTEMPTY] = TARGET_ENOTEMPTY, | |
571 | [EUSERS] = TARGET_EUSERS, | |
572 | [ENOTSOCK] = TARGET_ENOTSOCK, | |
573 | [EDESTADDRREQ] = TARGET_EDESTADDRREQ, | |
574 | [EMSGSIZE] = TARGET_EMSGSIZE, | |
575 | [EPROTOTYPE] = TARGET_EPROTOTYPE, | |
576 | [ENOPROTOOPT] = TARGET_ENOPROTOOPT, | |
577 | [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, | |
578 | [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, | |
579 | [EOPNOTSUPP] = TARGET_EOPNOTSUPP, | |
580 | [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, | |
581 | [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, | |
582 | [EADDRINUSE] = TARGET_EADDRINUSE, | |
583 | [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, | |
584 | [ENETDOWN] = TARGET_ENETDOWN, | |
585 | [ENETUNREACH] = TARGET_ENETUNREACH, | |
586 | [ENETRESET] = TARGET_ENETRESET, | |
587 | [ECONNABORTED] = TARGET_ECONNABORTED, | |
588 | [ECONNRESET] = TARGET_ECONNRESET, | |
589 | [ENOBUFS] = TARGET_ENOBUFS, | |
590 | [EISCONN] = TARGET_EISCONN, | |
591 | [ENOTCONN] = TARGET_ENOTCONN, | |
592 | [EUCLEAN] = TARGET_EUCLEAN, | |
593 | [ENOTNAM] = TARGET_ENOTNAM, | |
594 | [ENAVAIL] = TARGET_ENAVAIL, | |
595 | [EISNAM] = TARGET_EISNAM, | |
596 | [EREMOTEIO] = TARGET_EREMOTEIO, | |
0444a3b7 | 597 | [EDQUOT] = TARGET_EDQUOT, |
637947f1 TS |
598 | [ESHUTDOWN] = TARGET_ESHUTDOWN, |
599 | [ETOOMANYREFS] = TARGET_ETOOMANYREFS, | |
600 | [ETIMEDOUT] = TARGET_ETIMEDOUT, | |
601 | [ECONNREFUSED] = TARGET_ECONNREFUSED, | |
602 | [EHOSTDOWN] = TARGET_EHOSTDOWN, | |
603 | [EHOSTUNREACH] = TARGET_EHOSTUNREACH, | |
604 | [EALREADY] = TARGET_EALREADY, | |
605 | [EINPROGRESS] = TARGET_EINPROGRESS, | |
606 | [ESTALE] = TARGET_ESTALE, | |
607 | [ECANCELED] = TARGET_ECANCELED, | |
608 | [ENOMEDIUM] = TARGET_ENOMEDIUM, | |
609 | [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, | |
b7fe5db7 | 610 | #ifdef ENOKEY |
637947f1 | 611 | [ENOKEY] = TARGET_ENOKEY, |
b7fe5db7 TS |
612 | #endif |
613 | #ifdef EKEYEXPIRED | |
637947f1 | 614 | [EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
b7fe5db7 TS |
615 | #endif |
616 | #ifdef EKEYREVOKED | |
637947f1 | 617 | [EKEYREVOKED] = TARGET_EKEYREVOKED, |
b7fe5db7 TS |
618 | #endif |
619 | #ifdef EKEYREJECTED | |
637947f1 | 620 | [EKEYREJECTED] = TARGET_EKEYREJECTED, |
b7fe5db7 TS |
621 | #endif |
622 | #ifdef EOWNERDEAD | |
637947f1 | 623 | [EOWNERDEAD] = TARGET_EOWNERDEAD, |
b7fe5db7 TS |
624 | #endif |
625 | #ifdef ENOTRECOVERABLE | |
637947f1 | 626 | [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
b7fe5db7 | 627 | #endif |
da39db63 AM |
628 | #ifdef ENOMSG |
629 | [ENOMSG] = TARGET_ENOMSG, | |
630 | #endif | |
fe8ed7d5 RH |
631 | #ifdef ERKFILL |
632 | [ERFKILL] = TARGET_ERFKILL, | |
633 | #endif | |
634 | #ifdef EHWPOISON | |
635 | [EHWPOISON] = TARGET_EHWPOISON, | |
636 | #endif | |
b92c47c1 | 637 | }; |
637947f1 TS |
638 | |
639 | static inline int host_to_target_errno(int err) | |
640 | { | |
2466119c TB |
641 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
642 | host_to_target_errno_table[err]) { | |
637947f1 | 643 | return host_to_target_errno_table[err]; |
2466119c | 644 | } |
637947f1 TS |
645 | return err; |
646 | } | |
647 | ||
b92c47c1 TS |
648 | static inline int target_to_host_errno(int err) |
649 | { | |
2466119c TB |
650 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
651 | target_to_host_errno_table[err]) { | |
b92c47c1 | 652 | return target_to_host_errno_table[err]; |
2466119c | 653 | } |
b92c47c1 TS |
654 | return err; |
655 | } | |
656 | ||
992f48a0 | 657 | static inline abi_long get_errno(abi_long ret) |
31e31b8a FB |
658 | { |
659 | if (ret == -1) | |
637947f1 | 660 | return -host_to_target_errno(errno); |
31e31b8a FB |
661 | else |
662 | return ret; | |
663 | } | |
664 | ||
7dcdaeaf | 665 | const char *target_strerror(int err) |
b92c47c1 | 666 | { |
da2a34f7 PM |
667 | if (err == TARGET_ERESTARTSYS) { |
668 | return "To be restarted"; | |
669 | } | |
670 | if (err == TARGET_QEMU_ESIGRETURN) { | |
671 | return "Successful exit from sigreturn"; | |
672 | } | |
673 | ||
962b289e AG |
674 | if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
675 | return NULL; | |
676 | } | |
b92c47c1 TS |
677 | return strerror(target_to_host_errno(err)); |
678 | } | |
679 | ||
4d330cee TB |
680 | #define safe_syscall0(type, name) \ |
681 | static type safe_##name(void) \ | |
682 | { \ | |
683 | return safe_syscall(__NR_##name); \ | |
684 | } | |
685 | ||
686 | #define safe_syscall1(type, name, type1, arg1) \ | |
687 | static type safe_##name(type1 arg1) \ | |
688 | { \ | |
689 | return safe_syscall(__NR_##name, arg1); \ | |
690 | } | |
691 | ||
692 | #define safe_syscall2(type, name, type1, arg1, type2, arg2) \ | |
693 | static type safe_##name(type1 arg1, type2 arg2) \ | |
694 | { \ | |
695 | return safe_syscall(__NR_##name, arg1, arg2); \ | |
696 | } | |
697 | ||
698 | #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ | |
699 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \ | |
700 | { \ | |
701 | return safe_syscall(__NR_##name, arg1, arg2, arg3); \ | |
702 | } | |
703 | ||
704 | #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
705 | type4, arg4) \ | |
706 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ | |
707 | { \ | |
708 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
709 | } | |
710 | ||
711 | #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
712 | type4, arg4, type5, arg5) \ | |
713 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
714 | type5 arg5) \ | |
715 | { \ | |
716 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
717 | } | |
718 | ||
719 | #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
720 | type4, arg4, type5, arg5, type6, arg6) \ | |
721 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
722 | type5 arg5, type6 arg6) \ | |
723 | { \ | |
724 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
725 | } | |
726 | ||
50afd02b TB |
727 | safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count) |
728 | safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count) | |
c10a0738 TB |
729 | safe_syscall4(int, openat, int, dirfd, const char *, pathname, \ |
730 | int, flags, mode_t, mode) | |
4af80a37 TB |
731 | safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \ |
732 | struct rusage *, rusage) | |
733 | safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \ | |
734 | int, options, struct rusage *, rusage) | |
ffdcbe22 | 735 | safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp) |
6df9d38d PM |
736 | safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \ |
737 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig) | |
a6130237 PM |
738 | safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds, |
739 | struct timespec *, tsp, const sigset_t *, sigmask, | |
740 | size_t, sigsetsize) | |
227f0214 PM |
741 | safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events, |
742 | int, maxevents, int, timeout, const sigset_t *, sigmask, | |
743 | size_t, sigsetsize) | |
d509eeb1 PM |
744 | safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \ |
745 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
2fe4fba1 | 746 | safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize) |
bef653d9 PM |
747 | safe_syscall2(int, kill, pid_t, pid, int, sig) |
748 | safe_syscall2(int, tkill, int, tid, int, sig) | |
749 | safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig) | |
918c03ed PM |
750 | safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt) |
751 | safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt) | |
0f26386c DJ |
752 | safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt, |
753 | unsigned long, pos_l, unsigned long, pos_h) | |
f8d00fba DJ |
754 | safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt, |
755 | unsigned long, pos_l, unsigned long, pos_h) | |
2a3c7619 PM |
756 | safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr, |
757 | socklen_t, addrlen) | |
66687530 PM |
758 | safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len, |
759 | int, flags, const struct sockaddr *, addr, socklen_t, addrlen) | |
760 | safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len, | |
761 | int, flags, struct sockaddr *, addr, socklen_t *, addrlen) | |
762 | safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags) | |
763 | safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags) | |
2a845989 | 764 | safe_syscall2(int, flock, int, fd, int, operation) |
b3f82330 PM |
765 | safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo, |
766 | const struct timespec *, uts, size_t, sigsetsize) | |
ff6dc130 PM |
767 | safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len, |
768 | int, flags) | |
9e518226 PM |
769 | safe_syscall2(int, nanosleep, const struct timespec *, req, |
770 | struct timespec *, rem) | |
771 | #ifdef TARGET_NR_clock_nanosleep | |
772 | safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags, | |
773 | const struct timespec *, req, struct timespec *, rem) | |
774 | #endif | |
524fa340 | 775 | #ifdef __NR_ipc |
89f9fe44 PM |
776 | safe_syscall6(int, ipc, int, call, long, first, long, second, long, third, |
777 | void *, ptr, long, fifth) | |
86e63695 LV |
778 | #endif |
779 | #ifdef __NR_msgsnd | |
780 | safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz, | |
781 | int, flags) | |
86e63695 LV |
782 | #endif |
783 | #ifdef __NR_msgrcv | |
784 | safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz, | |
785 | long, msgtype, int, flags) | |
86e63695 LV |
786 | #endif |
787 | #ifdef __NR_semtimedop | |
788 | safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops, | |
789 | unsigned, nsops, const struct timespec *, timeout) | |
89f9fe44 | 790 | #endif |
d40ecd66 PM |
791 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
792 | safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr, | |
793 | size_t, len, unsigned, prio, const struct timespec *, timeout) | |
794 | safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr, | |
795 | size_t, len, unsigned *, prio, const struct timespec *, timeout) | |
796 | #endif | |
49ca6f3e PM |
797 | /* We do ioctl like this rather than via safe_syscall3 to preserve the |
798 | * "third argument might be integer or pointer or not present" behaviour of | |
799 | * the libc function. | |
800 | */ | |
801 | #define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__) | |
435da5e7 PM |
802 | /* Similarly for fcntl. Note that callers must always: |
803 | * pass the F_GETLK64 etc constants rather than the unsuffixed F_GETLK | |
804 | * use the flock64 struct rather than unsuffixed flock | |
805 | * This will then work and use a 64-bit offset for both 32-bit and 64-bit hosts. | |
806 | */ | |
807 | #ifdef __NR_fcntl64 | |
808 | #define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__) | |
809 | #else | |
810 | #define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__) | |
811 | #endif | |
50afd02b | 812 | |
8289d112 PB |
813 | static inline int host_to_target_sock_type(int host_type) |
814 | { | |
815 | int target_type; | |
816 | ||
817 | switch (host_type & 0xf /* SOCK_TYPE_MASK */) { | |
818 | case SOCK_DGRAM: | |
819 | target_type = TARGET_SOCK_DGRAM; | |
820 | break; | |
821 | case SOCK_STREAM: | |
822 | target_type = TARGET_SOCK_STREAM; | |
823 | break; | |
824 | default: | |
825 | target_type = host_type & 0xf /* SOCK_TYPE_MASK */; | |
826 | break; | |
827 | } | |
828 | ||
829 | #if defined(SOCK_CLOEXEC) | |
830 | if (host_type & SOCK_CLOEXEC) { | |
831 | target_type |= TARGET_SOCK_CLOEXEC; | |
832 | } | |
833 | #endif | |
834 | ||
835 | #if defined(SOCK_NONBLOCK) | |
836 | if (host_type & SOCK_NONBLOCK) { | |
837 | target_type |= TARGET_SOCK_NONBLOCK; | |
838 | } | |
839 | #endif | |
840 | ||
841 | return target_type; | |
842 | } | |
843 | ||
992f48a0 BS |
844 | static abi_ulong target_brk; |
845 | static abi_ulong target_original_brk; | |
4d1de87c | 846 | static abi_ulong brk_page; |
31e31b8a | 847 | |
992f48a0 | 848 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 849 | { |
4c1de73d | 850 | target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
4d1de87c | 851 | brk_page = HOST_PAGE_ALIGN(target_brk); |
31e31b8a FB |
852 | } |
853 | ||
4d1de87c CV |
854 | //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0) |
855 | #define DEBUGF_BRK(message, args...) | |
856 | ||
0da46a6e | 857 | /* do_brk() must return target values and target errnos. */ |
992f48a0 | 858 | abi_long do_brk(abi_ulong new_brk) |
31e31b8a | 859 | { |
992f48a0 | 860 | abi_long mapped_addr; |
ef4330c2 | 861 | abi_ulong new_alloc_size; |
31e31b8a | 862 | |
3a0c6c4a | 863 | DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
4d1de87c CV |
864 | |
865 | if (!new_brk) { | |
3a0c6c4a | 866 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk); |
53a5960a | 867 | return target_brk; |
4d1de87c CV |
868 | } |
869 | if (new_brk < target_original_brk) { | |
3a0c6c4a PB |
870 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n", |
871 | target_brk); | |
7ab240ad | 872 | return target_brk; |
4d1de87c | 873 | } |
3b46e624 | 874 | |
4d1de87c CV |
875 | /* If the new brk is less than the highest page reserved to the |
876 | * target heap allocation, set it and we're almost done... */ | |
877 | if (new_brk <= brk_page) { | |
878 | /* Heap contents are initialized to zero, as for anonymous | |
879 | * mapped pages. */ | |
880 | if (new_brk > target_brk) { | |
881 | memset(g2h(target_brk), 0, new_brk - target_brk); | |
882 | } | |
31e31b8a | 883 | target_brk = new_brk; |
3a0c6c4a | 884 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk); |
72e21db7 | 885 | return target_brk; |
31e31b8a FB |
886 | } |
887 | ||
00faf08c PM |
888 | /* We need to allocate more memory after the brk... Note that |
889 | * we don't use MAP_FIXED because that will map over the top of | |
890 | * any existing mapping (like the one with the host libc or qemu | |
891 | * itself); instead we treat "mapped but at wrong address" as | |
892 | * a failure and unmap again. | |
893 | */ | |
4d1de87c | 894 | new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
5fafdf24 | 895 | mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
54936004 | 896 | PROT_READ|PROT_WRITE, |
00faf08c PM |
897 | MAP_ANON|MAP_PRIVATE, 0, 0)); |
898 | ||
899 | if (mapped_addr == brk_page) { | |
70afc343 CV |
900 | /* Heap contents are initialized to zero, as for anonymous |
901 | * mapped pages. Technically the new pages are already | |
902 | * initialized to zero since they *are* anonymous mapped | |
903 | * pages, however we have to take care with the contents that | |
904 | * come from the remaining part of the previous page: it may | |
905 | * contains garbage data due to a previous heap usage (grown | |
906 | * then shrunken). */ | |
907 | memset(g2h(target_brk), 0, brk_page - target_brk); | |
908 | ||
00faf08c | 909 | target_brk = new_brk; |
4d1de87c | 910 | brk_page = HOST_PAGE_ALIGN(target_brk); |
3a0c6c4a PB |
911 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n", |
912 | target_brk); | |
00faf08c PM |
913 | return target_brk; |
914 | } else if (mapped_addr != -1) { | |
915 | /* Mapped but at wrong address, meaning there wasn't actually | |
916 | * enough space for this brk. | |
917 | */ | |
918 | target_munmap(mapped_addr, new_alloc_size); | |
919 | mapped_addr = -1; | |
3a0c6c4a | 920 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk); |
4d1de87c CV |
921 | } |
922 | else { | |
3a0c6c4a | 923 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk); |
00faf08c | 924 | } |
7ab240ad | 925 | |
7dd46c02 RH |
926 | #if defined(TARGET_ALPHA) |
927 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
928 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 929 | return -TARGET_ENOMEM; |
7dd46c02 | 930 | #endif |
00faf08c | 931 | /* For everything else, return the previous break. */ |
7ab240ad | 932 | return target_brk; |
31e31b8a FB |
933 | } |
934 | ||
26edcf41 TS |
935 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
936 | abi_ulong target_fds_addr, | |
937 | int n) | |
31e31b8a | 938 | { |
26edcf41 TS |
939 | int i, nw, j, k; |
940 | abi_ulong b, *target_fds; | |
941 | ||
b1b2db29 | 942 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
943 | if (!(target_fds = lock_user(VERIFY_READ, |
944 | target_fds_addr, | |
945 | sizeof(abi_ulong) * nw, | |
946 | 1))) | |
947 | return -TARGET_EFAULT; | |
948 | ||
949 | FD_ZERO(fds); | |
950 | k = 0; | |
951 | for (i = 0; i < nw; i++) { | |
952 | /* grab the abi_ulong */ | |
953 | __get_user(b, &target_fds[i]); | |
954 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
955 | /* check the bit inside the abi_ulong */ | |
956 | if ((b >> j) & 1) | |
957 | FD_SET(k, fds); | |
958 | k++; | |
31e31b8a | 959 | } |
31e31b8a | 960 | } |
26edcf41 TS |
961 | |
962 | unlock_user(target_fds, target_fds_addr, 0); | |
963 | ||
964 | return 0; | |
31e31b8a FB |
965 | } |
966 | ||
055e0906 MF |
967 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
968 | abi_ulong target_fds_addr, | |
969 | int n) | |
970 | { | |
971 | if (target_fds_addr) { | |
972 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
973 | return -TARGET_EFAULT; | |
974 | *fds_ptr = fds; | |
975 | } else { | |
976 | *fds_ptr = NULL; | |
977 | } | |
978 | return 0; | |
979 | } | |
980 | ||
26edcf41 TS |
981 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
982 | const fd_set *fds, | |
983 | int n) | |
31e31b8a | 984 | { |
31e31b8a | 985 | int i, nw, j, k; |
992f48a0 | 986 | abi_long v; |
26edcf41 | 987 | abi_ulong *target_fds; |
31e31b8a | 988 | |
b1b2db29 | 989 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
990 | if (!(target_fds = lock_user(VERIFY_WRITE, |
991 | target_fds_addr, | |
992 | sizeof(abi_ulong) * nw, | |
993 | 0))) | |
994 | return -TARGET_EFAULT; | |
995 | ||
996 | k = 0; | |
997 | for (i = 0; i < nw; i++) { | |
998 | v = 0; | |
999 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
9ab709be | 1000 | v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j); |
26edcf41 | 1001 | k++; |
31e31b8a | 1002 | } |
26edcf41 | 1003 | __put_user(v, &target_fds[i]); |
31e31b8a | 1004 | } |
26edcf41 TS |
1005 | |
1006 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
1007 | ||
1008 | return 0; | |
31e31b8a FB |
1009 | } |
1010 | ||
c596ed17 FB |
1011 | #if defined(__alpha__) |
1012 | #define HOST_HZ 1024 | |
1013 | #else | |
1014 | #define HOST_HZ 100 | |
1015 | #endif | |
1016 | ||
992f48a0 | 1017 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
1018 | { |
1019 | #if HOST_HZ == TARGET_HZ | |
1020 | return ticks; | |
1021 | #else | |
1022 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
1023 | #endif | |
1024 | } | |
1025 | ||
579a97f7 FB |
1026 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
1027 | const struct rusage *rusage) | |
b409186b | 1028 | { |
53a5960a PB |
1029 | struct target_rusage *target_rusage; |
1030 | ||
579a97f7 FB |
1031 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
1032 | return -TARGET_EFAULT; | |
cbb21eed MB |
1033 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
1034 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
1035 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
1036 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
1037 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
1038 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
1039 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
1040 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
1041 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
1042 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
1043 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
1044 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
1045 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
1046 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
1047 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
1048 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
1049 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
1050 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 1051 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
1052 | |
1053 | return 0; | |
b409186b FB |
1054 | } |
1055 | ||
cbb21eed | 1056 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 1057 | { |
cbb21eed | 1058 | abi_ulong target_rlim_swap; |
95b33b2f WT |
1059 | rlim_t result; |
1060 | ||
cbb21eed MB |
1061 | target_rlim_swap = tswapal(target_rlim); |
1062 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
1063 | return RLIM_INFINITY; | |
1064 | ||
1065 | result = target_rlim_swap; | |
1066 | if (target_rlim_swap != (rlim_t)result) | |
1067 | return RLIM_INFINITY; | |
95b33b2f WT |
1068 | |
1069 | return result; | |
81bbe906 TY |
1070 | } |
1071 | ||
cbb21eed | 1072 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 1073 | { |
cbb21eed MB |
1074 | abi_ulong target_rlim_swap; |
1075 | abi_ulong result; | |
95b33b2f | 1076 | |
cbb21eed | 1077 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 1078 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 1079 | else |
95b33b2f | 1080 | target_rlim_swap = rlim; |
cbb21eed | 1081 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
1082 | |
1083 | return result; | |
81bbe906 TY |
1084 | } |
1085 | ||
e22b7015 WT |
1086 | static inline int target_to_host_resource(int code) |
1087 | { | |
1088 | switch (code) { | |
1089 | case TARGET_RLIMIT_AS: | |
1090 | return RLIMIT_AS; | |
1091 | case TARGET_RLIMIT_CORE: | |
1092 | return RLIMIT_CORE; | |
1093 | case TARGET_RLIMIT_CPU: | |
1094 | return RLIMIT_CPU; | |
1095 | case TARGET_RLIMIT_DATA: | |
1096 | return RLIMIT_DATA; | |
1097 | case TARGET_RLIMIT_FSIZE: | |
1098 | return RLIMIT_FSIZE; | |
1099 | case TARGET_RLIMIT_LOCKS: | |
1100 | return RLIMIT_LOCKS; | |
1101 | case TARGET_RLIMIT_MEMLOCK: | |
1102 | return RLIMIT_MEMLOCK; | |
1103 | case TARGET_RLIMIT_MSGQUEUE: | |
1104 | return RLIMIT_MSGQUEUE; | |
1105 | case TARGET_RLIMIT_NICE: | |
1106 | return RLIMIT_NICE; | |
1107 | case TARGET_RLIMIT_NOFILE: | |
1108 | return RLIMIT_NOFILE; | |
1109 | case TARGET_RLIMIT_NPROC: | |
1110 | return RLIMIT_NPROC; | |
1111 | case TARGET_RLIMIT_RSS: | |
1112 | return RLIMIT_RSS; | |
1113 | case TARGET_RLIMIT_RTPRIO: | |
1114 | return RLIMIT_RTPRIO; | |
1115 | case TARGET_RLIMIT_SIGPENDING: | |
1116 | return RLIMIT_SIGPENDING; | |
1117 | case TARGET_RLIMIT_STACK: | |
1118 | return RLIMIT_STACK; | |
1119 | default: | |
1120 | return code; | |
1121 | } | |
1122 | } | |
1123 | ||
788f5ec4 TS |
1124 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
1125 | abi_ulong target_tv_addr) | |
31e31b8a | 1126 | { |
53a5960a PB |
1127 | struct target_timeval *target_tv; |
1128 | ||
788f5ec4 | 1129 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
579a97f7 | 1130 | return -TARGET_EFAULT; |
788f5ec4 TS |
1131 | |
1132 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1133 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1134 | ||
1135 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
1136 | |
1137 | return 0; | |
31e31b8a FB |
1138 | } |
1139 | ||
788f5ec4 TS |
1140 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
1141 | const struct timeval *tv) | |
31e31b8a | 1142 | { |
53a5960a PB |
1143 | struct target_timeval *target_tv; |
1144 | ||
788f5ec4 | 1145 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
579a97f7 | 1146 | return -TARGET_EFAULT; |
788f5ec4 TS |
1147 | |
1148 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1149 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1150 | ||
1151 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
1152 | |
1153 | return 0; | |
31e31b8a FB |
1154 | } |
1155 | ||
ef4467e9 PB |
1156 | static inline abi_long copy_from_user_timezone(struct timezone *tz, |
1157 | abi_ulong target_tz_addr) | |
1158 | { | |
1159 | struct target_timezone *target_tz; | |
1160 | ||
1161 | if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) { | |
1162 | return -TARGET_EFAULT; | |
1163 | } | |
1164 | ||
1165 | __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1166 | __get_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1167 | ||
1168 | unlock_user_struct(target_tz, target_tz_addr, 0); | |
1169 | ||
1170 | return 0; | |
1171 | } | |
1172 | ||
8ec9cf89 NF |
1173 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
1174 | #include <mqueue.h> | |
1175 | ||
24e1003a AJ |
1176 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
1177 | abi_ulong target_mq_attr_addr) | |
1178 | { | |
1179 | struct target_mq_attr *target_mq_attr; | |
1180 | ||
1181 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
1182 | target_mq_attr_addr, 1)) | |
1183 | return -TARGET_EFAULT; | |
1184 | ||
1185 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1186 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1187 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1188 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1189 | ||
1190 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
1191 | ||
1192 | return 0; | |
1193 | } | |
1194 | ||
1195 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
1196 | const struct mq_attr *attr) | |
1197 | { | |
1198 | struct target_mq_attr *target_mq_attr; | |
1199 | ||
1200 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
1201 | target_mq_attr_addr, 0)) | |
1202 | return -TARGET_EFAULT; | |
1203 | ||
1204 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1205 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1206 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1207 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1208 | ||
1209 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
1210 | ||
1211 | return 0; | |
1212 | } | |
8ec9cf89 | 1213 | #endif |
31e31b8a | 1214 | |
055e0906 | 1215 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 1216 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 1217 | static abi_long do_select(int n, |
26edcf41 TS |
1218 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
1219 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
1220 | { |
1221 | fd_set rfds, wfds, efds; | |
1222 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6df9d38d PM |
1223 | struct timeval tv; |
1224 | struct timespec ts, *ts_ptr; | |
992f48a0 | 1225 | abi_long ret; |
31e31b8a | 1226 | |
055e0906 MF |
1227 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
1228 | if (ret) { | |
1229 | return ret; | |
53a5960a | 1230 | } |
055e0906 MF |
1231 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
1232 | if (ret) { | |
1233 | return ret; | |
53a5960a | 1234 | } |
055e0906 MF |
1235 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
1236 | if (ret) { | |
1237 | return ret; | |
53a5960a | 1238 | } |
3b46e624 | 1239 | |
26edcf41 | 1240 | if (target_tv_addr) { |
788f5ec4 TS |
1241 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
1242 | return -TARGET_EFAULT; | |
6df9d38d PM |
1243 | ts.tv_sec = tv.tv_sec; |
1244 | ts.tv_nsec = tv.tv_usec * 1000; | |
1245 | ts_ptr = &ts; | |
31e31b8a | 1246 | } else { |
6df9d38d | 1247 | ts_ptr = NULL; |
31e31b8a | 1248 | } |
26edcf41 | 1249 | |
6df9d38d PM |
1250 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
1251 | ts_ptr, NULL)); | |
53a5960a | 1252 | |
26edcf41 TS |
1253 | if (!is_error(ret)) { |
1254 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
1255 | return -TARGET_EFAULT; | |
1256 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
1257 | return -TARGET_EFAULT; | |
1258 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
1259 | return -TARGET_EFAULT; | |
31e31b8a | 1260 | |
6df9d38d PM |
1261 | if (target_tv_addr) { |
1262 | tv.tv_sec = ts.tv_sec; | |
1263 | tv.tv_usec = ts.tv_nsec / 1000; | |
1264 | if (copy_to_user_timeval(target_tv_addr, &tv)) { | |
1265 | return -TARGET_EFAULT; | |
1266 | } | |
1267 | } | |
31e31b8a | 1268 | } |
579a97f7 | 1269 | |
31e31b8a FB |
1270 | return ret; |
1271 | } | |
5457dc9e LV |
1272 | |
1273 | #if defined(TARGET_WANT_OLD_SYS_SELECT) | |
1274 | static abi_long do_old_select(abi_ulong arg1) | |
1275 | { | |
1276 | struct target_sel_arg_struct *sel; | |
1277 | abi_ulong inp, outp, exp, tvp; | |
1278 | long nsel; | |
1279 | ||
1280 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) { | |
1281 | return -TARGET_EFAULT; | |
1282 | } | |
1283 | ||
1284 | nsel = tswapal(sel->n); | |
1285 | inp = tswapal(sel->inp); | |
1286 | outp = tswapal(sel->outp); | |
1287 | exp = tswapal(sel->exp); | |
1288 | tvp = tswapal(sel->tvp); | |
1289 | ||
1290 | unlock_user_struct(sel, arg1, 0); | |
1291 | ||
1292 | return do_select(nsel, inp, outp, exp, tvp); | |
1293 | } | |
1294 | #endif | |
055e0906 | 1295 | #endif |
31e31b8a | 1296 | |
099d6b0f RV |
1297 | static abi_long do_pipe2(int host_pipe[], int flags) |
1298 | { | |
1299 | #ifdef CONFIG_PIPE2 | |
1300 | return pipe2(host_pipe, flags); | |
1301 | #else | |
1302 | return -ENOSYS; | |
1303 | #endif | |
1304 | } | |
1305 | ||
fb41a66e RH |
1306 | static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
1307 | int flags, int is_pipe2) | |
099d6b0f RV |
1308 | { |
1309 | int host_pipe[2]; | |
1310 | abi_long ret; | |
1311 | ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); | |
1312 | ||
1313 | if (is_error(ret)) | |
1314 | return get_errno(ret); | |
fb41a66e RH |
1315 | |
1316 | /* Several targets have special calling conventions for the original | |
1317 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1318 | if (!is_pipe2) { | |
1319 | #if defined(TARGET_ALPHA) | |
1320 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1]; | |
1321 | return host_pipe[0]; | |
1322 | #elif defined(TARGET_MIPS) | |
1323 | ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; | |
1324 | return host_pipe[0]; | |
1325 | #elif defined(TARGET_SH4) | |
597c0212 | 1326 | ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
fb41a66e | 1327 | return host_pipe[0]; |
82f05b69 PM |
1328 | #elif defined(TARGET_SPARC) |
1329 | ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1]; | |
1330 | return host_pipe[0]; | |
597c0212 | 1331 | #endif |
fb41a66e RH |
1332 | } |
1333 | ||
099d6b0f RV |
1334 | if (put_user_s32(host_pipe[0], pipedes) |
1335 | || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) | |
1336 | return -TARGET_EFAULT; | |
099d6b0f RV |
1337 | return get_errno(ret); |
1338 | } | |
1339 | ||
b975b83b LL |
1340 | static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1341 | abi_ulong target_addr, | |
1342 | socklen_t len) | |
1343 | { | |
1344 | struct target_ip_mreqn *target_smreqn; | |
1345 | ||
1346 | target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); | |
1347 | if (!target_smreqn) | |
1348 | return -TARGET_EFAULT; | |
1349 | mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
1350 | mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
1351 | if (len == sizeof(struct target_ip_mreqn)) | |
cbb21eed | 1352 | mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
b975b83b LL |
1353 | unlock_user(target_smreqn, target_addr, 0); |
1354 | ||
1355 | return 0; | |
1356 | } | |
1357 | ||
7b36f782 | 1358 | static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr, |
579a97f7 FB |
1359 | abi_ulong target_addr, |
1360 | socklen_t len) | |
7854b056 | 1361 | { |
607175e0 AJ |
1362 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1363 | sa_family_t sa_family; | |
53a5960a PB |
1364 | struct target_sockaddr *target_saddr; |
1365 | ||
7b36f782 LV |
1366 | if (fd_trans_target_to_host_addr(fd)) { |
1367 | return fd_trans_target_to_host_addr(fd)(addr, target_addr, len); | |
1368 | } | |
1369 | ||
579a97f7 FB |
1370 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1371 | if (!target_saddr) | |
1372 | return -TARGET_EFAULT; | |
607175e0 AJ |
1373 | |
1374 | sa_family = tswap16(target_saddr->sa_family); | |
1375 | ||
1376 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1377 | * must be terminated by \0 (see the manual page), but | |
1378 | * unfortunately it is quite common to specify sockaddr_un | |
1379 | * length as "strlen(x->sun_path)" while it should be | |
1380 | * "strlen(...) + 1". We'll fix that here if needed. | |
1381 | * Linux kernel has a similar feature. | |
1382 | */ | |
1383 | ||
1384 | if (sa_family == AF_UNIX) { | |
1385 | if (len < unix_maxlen && len > 0) { | |
1386 | char *cp = (char*)target_saddr; | |
1387 | ||
1388 | if ( cp[len-1] && !cp[len] ) | |
1389 | len++; | |
1390 | } | |
1391 | if (len > unix_maxlen) | |
1392 | len = unix_maxlen; | |
1393 | } | |
1394 | ||
53a5960a | 1395 | memcpy(addr, target_saddr, len); |
607175e0 | 1396 | addr->sa_family = sa_family; |
6c5b5645 LV |
1397 | if (sa_family == AF_NETLINK) { |
1398 | struct sockaddr_nl *nladdr; | |
1399 | ||
1400 | nladdr = (struct sockaddr_nl *)addr; | |
1401 | nladdr->nl_pid = tswap32(nladdr->nl_pid); | |
1402 | nladdr->nl_groups = tswap32(nladdr->nl_groups); | |
1403 | } else if (sa_family == AF_PACKET) { | |
33a29b51 JT |
1404 | struct target_sockaddr_ll *lladdr; |
1405 | ||
1406 | lladdr = (struct target_sockaddr_ll *)addr; | |
1407 | lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex); | |
1408 | lladdr->sll_hatype = tswap16(lladdr->sll_hatype); | |
1409 | } | |
53a5960a | 1410 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1411 | |
1412 | return 0; | |
7854b056 FB |
1413 | } |
1414 | ||
579a97f7 FB |
1415 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1416 | struct sockaddr *addr, | |
1417 | socklen_t len) | |
7854b056 | 1418 | { |
53a5960a PB |
1419 | struct target_sockaddr *target_saddr; |
1420 | ||
a1e22192 PM |
1421 | if (len == 0) { |
1422 | return 0; | |
1423 | } | |
6860710c | 1424 | assert(addr); |
a1e22192 | 1425 | |
579a97f7 FB |
1426 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1427 | if (!target_saddr) | |
1428 | return -TARGET_EFAULT; | |
53a5960a | 1429 | memcpy(target_saddr, addr, len); |
a1e22192 PM |
1430 | if (len >= offsetof(struct target_sockaddr, sa_family) + |
1431 | sizeof(target_saddr->sa_family)) { | |
1432 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1433 | } | |
1434 | if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) { | |
6c5b5645 LV |
1435 | struct sockaddr_nl *target_nl = (struct sockaddr_nl *)target_saddr; |
1436 | target_nl->nl_pid = tswap32(target_nl->nl_pid); | |
1437 | target_nl->nl_groups = tswap32(target_nl->nl_groups); | |
a82ea939 LV |
1438 | } else if (addr->sa_family == AF_PACKET) { |
1439 | struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr; | |
1440 | target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex); | |
1441 | target_ll->sll_hatype = tswap16(target_ll->sll_hatype); | |
ee1ac3a1 HD |
1442 | } else if (addr->sa_family == AF_INET6 && |
1443 | len >= sizeof(struct target_sockaddr_in6)) { | |
1444 | struct target_sockaddr_in6 *target_in6 = | |
1445 | (struct target_sockaddr_in6 *)target_saddr; | |
1446 | target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id); | |
6c5b5645 | 1447 | } |
53a5960a | 1448 | unlock_user(target_saddr, target_addr, len); |
579a97f7 FB |
1449 | |
1450 | return 0; | |
7854b056 FB |
1451 | } |
1452 | ||
5a4a898d FB |
1453 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1454 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1455 | { |
1456 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1457 | abi_long msg_controllen; |
1458 | abi_ulong target_cmsg_addr; | |
ee104587 | 1459 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 | 1460 | socklen_t space = 0; |
5a4a898d | 1461 | |
cbb21eed | 1462 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1463 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1464 | goto the_end; | |
cbb21eed | 1465 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1466 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
ee104587 | 1467 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1468 | if (!target_cmsg) |
1469 | return -TARGET_EFAULT; | |
7854b056 FB |
1470 | |
1471 | while (cmsg && target_cmsg) { | |
1472 | void *data = CMSG_DATA(cmsg); | |
1473 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1474 | ||
cbb21eed | 1475 | int len = tswapal(target_cmsg->cmsg_len) |
ad762b99 | 1476 | - sizeof(struct target_cmsghdr); |
7854b056 FB |
1477 | |
1478 | space += CMSG_SPACE(len); | |
1479 | if (space > msgh->msg_controllen) { | |
1480 | space -= CMSG_SPACE(len); | |
c2aeb258 PM |
1481 | /* This is a QEMU bug, since we allocated the payload |
1482 | * area ourselves (unlike overflow in host-to-target | |
1483 | * conversion, which is just the guest giving us a buffer | |
1484 | * that's too small). It can't happen for the payload types | |
1485 | * we currently support; if it becomes an issue in future | |
1486 | * we would need to improve our allocation strategy to | |
1487 | * something more intelligent than "twice the size of the | |
1488 | * target buffer we're reading from". | |
1489 | */ | |
31febb71 | 1490 | gemu_log("Host cmsg overflow\n"); |
7854b056 FB |
1491 | break; |
1492 | } | |
1493 | ||
dbf4f796 PJ |
1494 | if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) { |
1495 | cmsg->cmsg_level = SOL_SOCKET; | |
1496 | } else { | |
1497 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1498 | } | |
7854b056 FB |
1499 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1500 | cmsg->cmsg_len = CMSG_LEN(len); | |
1501 | ||
30b8b68e | 1502 | if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { |
7854b056 FB |
1503 | int *fd = (int *)data; |
1504 | int *target_fd = (int *)target_data; | |
1505 | int i, numfds = len / sizeof(int); | |
1506 | ||
876e23cb PM |
1507 | for (i = 0; i < numfds; i++) { |
1508 | __get_user(fd[i], target_fd + i); | |
1509 | } | |
30b8b68e AS |
1510 | } else if (cmsg->cmsg_level == SOL_SOCKET |
1511 | && cmsg->cmsg_type == SCM_CREDENTIALS) { | |
1512 | struct ucred *cred = (struct ucred *)data; | |
1513 | struct target_ucred *target_cred = | |
1514 | (struct target_ucred *)target_data; | |
1515 | ||
876e23cb PM |
1516 | __get_user(cred->pid, &target_cred->pid); |
1517 | __get_user(cred->uid, &target_cred->uid); | |
1518 | __get_user(cred->gid, &target_cred->gid); | |
30b8b68e AS |
1519 | } else { |
1520 | gemu_log("Unsupported ancillary data: %d/%d\n", | |
1521 | cmsg->cmsg_level, cmsg->cmsg_type); | |
1522 | memcpy(data, target_data, len); | |
7854b056 FB |
1523 | } |
1524 | ||
1525 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
ee104587 JN |
1526 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1527 | target_cmsg_start); | |
7854b056 | 1528 | } |
5a4a898d FB |
1529 | unlock_user(target_cmsg, target_cmsg_addr, 0); |
1530 | the_end: | |
7854b056 | 1531 | msgh->msg_controllen = space; |
5a4a898d | 1532 | return 0; |
7854b056 FB |
1533 | } |
1534 | ||
5a4a898d FB |
1535 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1536 | struct msghdr *msgh) | |
7854b056 FB |
1537 | { |
1538 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1539 | abi_long msg_controllen; |
1540 | abi_ulong target_cmsg_addr; | |
ee104587 | 1541 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 FB |
1542 | socklen_t space = 0; |
1543 | ||
cbb21eed | 1544 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1545 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1546 | goto the_end; | |
cbb21eed | 1547 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1548 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
ee104587 | 1549 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1550 | if (!target_cmsg) |
1551 | return -TARGET_EFAULT; | |
1552 | ||
7854b056 FB |
1553 | while (cmsg && target_cmsg) { |
1554 | void *data = CMSG_DATA(cmsg); | |
1555 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1556 | ||
ad762b99 | 1557 | int len = cmsg->cmsg_len - sizeof(struct cmsghdr); |
c2aeb258 | 1558 | int tgt_len, tgt_space; |
7854b056 | 1559 | |
c2aeb258 PM |
1560 | /* We never copy a half-header but may copy half-data; |
1561 | * this is Linux's behaviour in put_cmsg(). Note that | |
1562 | * truncation here is a guest problem (which we report | |
1563 | * to the guest via the CTRUNC bit), unlike truncation | |
1564 | * in target_to_host_cmsg, which is a QEMU bug. | |
1565 | */ | |
7174970a | 1566 | if (msg_controllen < sizeof(struct target_cmsghdr)) { |
c2aeb258 | 1567 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7854b056 FB |
1568 | break; |
1569 | } | |
1570 | ||
dbf4f796 PJ |
1571 | if (cmsg->cmsg_level == SOL_SOCKET) { |
1572 | target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); | |
1573 | } else { | |
1574 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1575 | } | |
7854b056 | 1576 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
7854b056 | 1577 | |
c2aeb258 PM |
1578 | /* Payload types which need a different size of payload on |
1579 | * the target must adjust tgt_len here. | |
1580 | */ | |
309786cf | 1581 | tgt_len = len; |
c2aeb258 PM |
1582 | switch (cmsg->cmsg_level) { |
1583 | case SOL_SOCKET: | |
1584 | switch (cmsg->cmsg_type) { | |
1585 | case SO_TIMESTAMP: | |
1586 | tgt_len = sizeof(struct target_timeval); | |
1587 | break; | |
1588 | default: | |
1589 | break; | |
1590 | } | |
309786cf | 1591 | break; |
c2aeb258 PM |
1592 | default: |
1593 | break; | |
1594 | } | |
1595 | ||
7174970a | 1596 | if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) { |
c2aeb258 | 1597 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7174970a | 1598 | tgt_len = msg_controllen - sizeof(struct target_cmsghdr); |
c2aeb258 PM |
1599 | } |
1600 | ||
1601 | /* We must now copy-and-convert len bytes of payload | |
1602 | * into tgt_len bytes of destination space. Bear in mind | |
1603 | * that in both source and destination we may be dealing | |
1604 | * with a truncated value! | |
1605 | */ | |
52b65494 HD |
1606 | switch (cmsg->cmsg_level) { |
1607 | case SOL_SOCKET: | |
1608 | switch (cmsg->cmsg_type) { | |
1609 | case SCM_RIGHTS: | |
1610 | { | |
1611 | int *fd = (int *)data; | |
1612 | int *target_fd = (int *)target_data; | |
c2aeb258 | 1613 | int i, numfds = tgt_len / sizeof(int); |
52b65494 | 1614 | |
876e23cb PM |
1615 | for (i = 0; i < numfds; i++) { |
1616 | __put_user(fd[i], target_fd + i); | |
1617 | } | |
52b65494 HD |
1618 | break; |
1619 | } | |
1620 | case SO_TIMESTAMP: | |
1621 | { | |
1622 | struct timeval *tv = (struct timeval *)data; | |
1623 | struct target_timeval *target_tv = | |
1624 | (struct target_timeval *)target_data; | |
1625 | ||
c2aeb258 PM |
1626 | if (len != sizeof(struct timeval) || |
1627 | tgt_len != sizeof(struct target_timeval)) { | |
52b65494 | 1628 | goto unimplemented; |
c2aeb258 | 1629 | } |
52b65494 HD |
1630 | |
1631 | /* copy struct timeval to target */ | |
876e23cb PM |
1632 | __put_user(tv->tv_sec, &target_tv->tv_sec); |
1633 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
52b65494 HD |
1634 | break; |
1635 | } | |
4bc29756 HD |
1636 | case SCM_CREDENTIALS: |
1637 | { | |
1638 | struct ucred *cred = (struct ucred *)data; | |
1639 | struct target_ucred *target_cred = | |
1640 | (struct target_ucred *)target_data; | |
1641 | ||
1642 | __put_user(cred->pid, &target_cred->pid); | |
1643 | __put_user(cred->uid, &target_cred->uid); | |
1644 | __put_user(cred->gid, &target_cred->gid); | |
1645 | break; | |
1646 | } | |
52b65494 HD |
1647 | default: |
1648 | goto unimplemented; | |
1649 | } | |
1650 | break; | |
7854b056 | 1651 | |
ee1ac3a1 HD |
1652 | case SOL_IP: |
1653 | switch (cmsg->cmsg_type) { | |
1654 | case IP_TTL: | |
1655 | { | |
1656 | uint32_t *v = (uint32_t *)data; | |
1657 | uint32_t *t_int = (uint32_t *)target_data; | |
1658 | ||
7174970a PM |
1659 | if (len != sizeof(uint32_t) || |
1660 | tgt_len != sizeof(uint32_t)) { | |
1661 | goto unimplemented; | |
1662 | } | |
ee1ac3a1 HD |
1663 | __put_user(*v, t_int); |
1664 | break; | |
1665 | } | |
1666 | case IP_RECVERR: | |
1667 | { | |
1668 | struct errhdr_t { | |
1669 | struct sock_extended_err ee; | |
1670 | struct sockaddr_in offender; | |
1671 | }; | |
1672 | struct errhdr_t *errh = (struct errhdr_t *)data; | |
1673 | struct errhdr_t *target_errh = | |
1674 | (struct errhdr_t *)target_data; | |
1675 | ||
7174970a PM |
1676 | if (len != sizeof(struct errhdr_t) || |
1677 | tgt_len != sizeof(struct errhdr_t)) { | |
1678 | goto unimplemented; | |
1679 | } | |
ee1ac3a1 HD |
1680 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
1681 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
1682 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
1683 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
1684 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
1685 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
1686 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
1687 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
1688 | (void *) &errh->offender, sizeof(errh->offender)); | |
1689 | break; | |
1690 | } | |
1691 | default: | |
1692 | goto unimplemented; | |
1693 | } | |
1694 | break; | |
1695 | ||
1696 | case SOL_IPV6: | |
1697 | switch (cmsg->cmsg_type) { | |
1698 | case IPV6_HOPLIMIT: | |
1699 | { | |
1700 | uint32_t *v = (uint32_t *)data; | |
1701 | uint32_t *t_int = (uint32_t *)target_data; | |
1702 | ||
7174970a PM |
1703 | if (len != sizeof(uint32_t) || |
1704 | tgt_len != sizeof(uint32_t)) { | |
1705 | goto unimplemented; | |
1706 | } | |
ee1ac3a1 HD |
1707 | __put_user(*v, t_int); |
1708 | break; | |
1709 | } | |
1710 | case IPV6_RECVERR: | |
1711 | { | |
1712 | struct errhdr6_t { | |
1713 | struct sock_extended_err ee; | |
1714 | struct sockaddr_in6 offender; | |
1715 | }; | |
1716 | struct errhdr6_t *errh = (struct errhdr6_t *)data; | |
1717 | struct errhdr6_t *target_errh = | |
1718 | (struct errhdr6_t *)target_data; | |
1719 | ||
7174970a PM |
1720 | if (len != sizeof(struct errhdr6_t) || |
1721 | tgt_len != sizeof(struct errhdr6_t)) { | |
1722 | goto unimplemented; | |
1723 | } | |
ee1ac3a1 HD |
1724 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
1725 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
1726 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
1727 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
1728 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
1729 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
1730 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
1731 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
1732 | (void *) &errh->offender, sizeof(errh->offender)); | |
1733 | break; | |
1734 | } | |
1735 | default: | |
1736 | goto unimplemented; | |
1737 | } | |
1738 | break; | |
1739 | ||
52b65494 HD |
1740 | default: |
1741 | unimplemented: | |
aebf5bc7 JH |
1742 | gemu_log("Unsupported ancillary data: %d/%d\n", |
1743 | cmsg->cmsg_level, cmsg->cmsg_type); | |
c2aeb258 PM |
1744 | memcpy(target_data, data, MIN(len, tgt_len)); |
1745 | if (tgt_len > len) { | |
1746 | memset(target_data + len, 0, tgt_len - len); | |
1747 | } | |
7854b056 FB |
1748 | } |
1749 | ||
7174970a PM |
1750 | target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len)); |
1751 | tgt_space = TARGET_CMSG_SPACE(tgt_len); | |
c2aeb258 PM |
1752 | if (msg_controllen < tgt_space) { |
1753 | tgt_space = msg_controllen; | |
1754 | } | |
1755 | msg_controllen -= tgt_space; | |
1756 | space += tgt_space; | |
7854b056 | 1757 | cmsg = CMSG_NXTHDR(msgh, cmsg); |
ee104587 JN |
1758 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1759 | target_cmsg_start); | |
7854b056 | 1760 | } |
5a4a898d FB |
1761 | unlock_user(target_cmsg, target_cmsg_addr, space); |
1762 | the_end: | |
cbb21eed | 1763 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 1764 | return 0; |
7854b056 FB |
1765 | } |
1766 | ||
0da46a6e | 1767 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 1768 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 1769 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 1770 | { |
992f48a0 | 1771 | abi_long ret; |
32407103 | 1772 | int val; |
b975b83b | 1773 | struct ip_mreqn *ip_mreq; |
6e3cb58f | 1774 | struct ip_mreq_source *ip_mreq_source; |
3b46e624 | 1775 | |
8853f86e FB |
1776 | switch(level) { |
1777 | case SOL_TCP: | |
7854b056 | 1778 | /* TCP options all take an 'int' value. */ |
7854b056 | 1779 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 1780 | return -TARGET_EINVAL; |
3b46e624 | 1781 | |
2f619698 FB |
1782 | if (get_user_u32(val, optval_addr)) |
1783 | return -TARGET_EFAULT; | |
8853f86e FB |
1784 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
1785 | break; | |
1786 | case SOL_IP: | |
1787 | switch(optname) { | |
2efbe911 FB |
1788 | case IP_TOS: |
1789 | case IP_TTL: | |
8853f86e | 1790 | case IP_HDRINCL: |
2efbe911 FB |
1791 | case IP_ROUTER_ALERT: |
1792 | case IP_RECVOPTS: | |
1793 | case IP_RETOPTS: | |
1794 | case IP_PKTINFO: | |
1795 | case IP_MTU_DISCOVER: | |
1796 | case IP_RECVERR: | |
ee1ac3a1 | 1797 | case IP_RECVTTL: |
2efbe911 FB |
1798 | case IP_RECVTOS: |
1799 | #ifdef IP_FREEBIND | |
1800 | case IP_FREEBIND: | |
1801 | #endif | |
1802 | case IP_MULTICAST_TTL: | |
1803 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
1804 | val = 0; |
1805 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
1806 | if (get_user_u32(val, optval_addr)) |
1807 | return -TARGET_EFAULT; | |
8853f86e | 1808 | } else if (optlen >= 1) { |
2f619698 FB |
1809 | if (get_user_u8(val, optval_addr)) |
1810 | return -TARGET_EFAULT; | |
8853f86e FB |
1811 | } |
1812 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
1813 | break; | |
b975b83b LL |
1814 | case IP_ADD_MEMBERSHIP: |
1815 | case IP_DROP_MEMBERSHIP: | |
1816 | if (optlen < sizeof (struct target_ip_mreq) || | |
1817 | optlen > sizeof (struct target_ip_mreqn)) | |
1818 | return -TARGET_EINVAL; | |
1819 | ||
1820 | ip_mreq = (struct ip_mreqn *) alloca(optlen); | |
1821 | target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); | |
1822 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); | |
1823 | break; | |
1824 | ||
6e3cb58f LL |
1825 | case IP_BLOCK_SOURCE: |
1826 | case IP_UNBLOCK_SOURCE: | |
1827 | case IP_ADD_SOURCE_MEMBERSHIP: | |
1828 | case IP_DROP_SOURCE_MEMBERSHIP: | |
1829 | if (optlen != sizeof (struct target_ip_mreq_source)) | |
1830 | return -TARGET_EINVAL; | |
1831 | ||
1832 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
1833 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); | |
1834 | unlock_user (ip_mreq_source, optval_addr, 0); | |
1835 | break; | |
1836 | ||
920394db JH |
1837 | default: |
1838 | goto unimplemented; | |
1839 | } | |
1840 | break; | |
0d78b3b5 LV |
1841 | case SOL_IPV6: |
1842 | switch (optname) { | |
1843 | case IPV6_MTU_DISCOVER: | |
1844 | case IPV6_MTU: | |
1845 | case IPV6_V6ONLY: | |
1846 | case IPV6_RECVPKTINFO: | |
ee1ac3a1 | 1847 | case IPV6_UNICAST_HOPS: |
21749c4c LV |
1848 | case IPV6_MULTICAST_HOPS: |
1849 | case IPV6_MULTICAST_LOOP: | |
ee1ac3a1 HD |
1850 | case IPV6_RECVERR: |
1851 | case IPV6_RECVHOPLIMIT: | |
1852 | case IPV6_2292HOPLIMIT: | |
1853 | case IPV6_CHECKSUM: | |
b9cce6d7 HD |
1854 | case IPV6_ADDRFORM: |
1855 | case IPV6_2292PKTINFO: | |
1856 | case IPV6_RECVTCLASS: | |
1857 | case IPV6_RECVRTHDR: | |
1858 | case IPV6_2292RTHDR: | |
1859 | case IPV6_RECVHOPOPTS: | |
1860 | case IPV6_2292HOPOPTS: | |
1861 | case IPV6_RECVDSTOPTS: | |
1862 | case IPV6_2292DSTOPTS: | |
1863 | case IPV6_TCLASS: | |
1864 | #ifdef IPV6_RECVPATHMTU | |
1865 | case IPV6_RECVPATHMTU: | |
1866 | #endif | |
1867 | #ifdef IPV6_TRANSPARENT | |
1868 | case IPV6_TRANSPARENT: | |
1869 | #endif | |
1870 | #ifdef IPV6_FREEBIND | |
1871 | case IPV6_FREEBIND: | |
1872 | #endif | |
1873 | #ifdef IPV6_RECVORIGDSTADDR | |
1874 | case IPV6_RECVORIGDSTADDR: | |
1875 | #endif | |
0d78b3b5 LV |
1876 | val = 0; |
1877 | if (optlen < sizeof(uint32_t)) { | |
1878 | return -TARGET_EINVAL; | |
1879 | } | |
1880 | if (get_user_u32(val, optval_addr)) { | |
1881 | return -TARGET_EFAULT; | |
1882 | } | |
1883 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1884 | &val, sizeof(val))); | |
1885 | break; | |
ee1ac3a1 HD |
1886 | case IPV6_PKTINFO: |
1887 | { | |
1888 | struct in6_pktinfo pki; | |
1889 | ||
1890 | if (optlen < sizeof(pki)) { | |
1891 | return -TARGET_EINVAL; | |
1892 | } | |
1893 | ||
1894 | if (copy_from_user(&pki, optval_addr, sizeof(pki))) { | |
1895 | return -TARGET_EFAULT; | |
1896 | } | |
1897 | ||
1898 | pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex); | |
1899 | ||
1900 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1901 | &pki, sizeof(pki))); | |
1902 | break; | |
1903 | } | |
22bf4ee9 NC |
1904 | case IPV6_ADD_MEMBERSHIP: |
1905 | case IPV6_DROP_MEMBERSHIP: | |
1906 | { | |
1907 | struct ipv6_mreq ipv6mreq; | |
1908 | ||
1909 | if (optlen < sizeof(ipv6mreq)) { | |
1910 | return -TARGET_EINVAL; | |
1911 | } | |
1912 | ||
1913 | if (copy_from_user(&ipv6mreq, optval_addr, sizeof(ipv6mreq))) { | |
1914 | return -TARGET_EFAULT; | |
1915 | } | |
1916 | ||
1917 | ipv6mreq.ipv6mr_interface = tswap32(ipv6mreq.ipv6mr_interface); | |
1918 | ||
1919 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1920 | &ipv6mreq, sizeof(ipv6mreq))); | |
1921 | break; | |
1922 | } | |
ee1ac3a1 HD |
1923 | default: |
1924 | goto unimplemented; | |
1925 | } | |
1926 | break; | |
1927 | case SOL_ICMPV6: | |
1928 | switch (optname) { | |
1929 | case ICMPV6_FILTER: | |
1930 | { | |
1931 | struct icmp6_filter icmp6f; | |
1932 | ||
1933 | if (optlen > sizeof(icmp6f)) { | |
1934 | optlen = sizeof(icmp6f); | |
1935 | } | |
1936 | ||
1937 | if (copy_from_user(&icmp6f, optval_addr, optlen)) { | |
1938 | return -TARGET_EFAULT; | |
1939 | } | |
1940 | ||
1941 | for (val = 0; val < 8; val++) { | |
1942 | icmp6f.data[val] = tswap32(icmp6f.data[val]); | |
1943 | } | |
1944 | ||
1945 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1946 | &icmp6f, optlen)); | |
1947 | break; | |
1948 | } | |
0d78b3b5 LV |
1949 | default: |
1950 | goto unimplemented; | |
1951 | } | |
1952 | break; | |
920394db JH |
1953 | case SOL_RAW: |
1954 | switch (optname) { | |
1955 | case ICMP_FILTER: | |
ee1ac3a1 HD |
1956 | case IPV6_CHECKSUM: |
1957 | /* those take an u32 value */ | |
920394db JH |
1958 | if (optlen < sizeof(uint32_t)) { |
1959 | return -TARGET_EINVAL; | |
1960 | } | |
1961 | ||
1962 | if (get_user_u32(val, optval_addr)) { | |
1963 | return -TARGET_EFAULT; | |
1964 | } | |
1965 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1966 | &val, sizeof(val))); | |
1967 | break; | |
1968 | ||
8853f86e FB |
1969 | default: |
1970 | goto unimplemented; | |
1971 | } | |
1972 | break; | |
f31dddd2 YS |
1973 | #if defined(SOL_ALG) && defined(ALG_SET_KEY) && defined(ALG_SET_AEAD_AUTHSIZE) |
1974 | case SOL_ALG: | |
1975 | switch (optname) { | |
1976 | case ALG_SET_KEY: | |
1977 | { | |
1978 | char *alg_key = g_malloc(optlen); | |
1979 | ||
1980 | if (!alg_key) { | |
1981 | return -TARGET_ENOMEM; | |
1982 | } | |
1983 | if (copy_from_user(alg_key, optval_addr, optlen)) { | |
1984 | g_free(alg_key); | |
1985 | return -TARGET_EFAULT; | |
1986 | } | |
1987 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1988 | alg_key, optlen)); | |
1989 | g_free(alg_key); | |
1990 | break; | |
1991 | } | |
1992 | case ALG_SET_AEAD_AUTHSIZE: | |
1993 | { | |
1994 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1995 | NULL, optlen)); | |
1996 | break; | |
1997 | } | |
1998 | default: | |
1999 | goto unimplemented; | |
2000 | } | |
2001 | break; | |
2002 | #endif | |
3532fa74 | 2003 | case TARGET_SOL_SOCKET: |
8853f86e | 2004 | switch (optname) { |
1b09aeb9 LV |
2005 | case TARGET_SO_RCVTIMEO: |
2006 | { | |
2007 | struct timeval tv; | |
2008 | ||
2009 | optname = SO_RCVTIMEO; | |
2010 | ||
2011 | set_timeout: | |
2012 | if (optlen != sizeof(struct target_timeval)) { | |
2013 | return -TARGET_EINVAL; | |
2014 | } | |
2015 | ||
2016 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
2017 | return -TARGET_EFAULT; | |
2018 | } | |
2019 | ||
2020 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, | |
2021 | &tv, sizeof(tv))); | |
2022 | return ret; | |
2023 | } | |
2024 | case TARGET_SO_SNDTIMEO: | |
2025 | optname = SO_SNDTIMEO; | |
2026 | goto set_timeout; | |
f57d4192 LV |
2027 | case TARGET_SO_ATTACH_FILTER: |
2028 | { | |
2029 | struct target_sock_fprog *tfprog; | |
2030 | struct target_sock_filter *tfilter; | |
2031 | struct sock_fprog fprog; | |
2032 | struct sock_filter *filter; | |
2033 | int i; | |
2034 | ||
2035 | if (optlen != sizeof(*tfprog)) { | |
2036 | return -TARGET_EINVAL; | |
2037 | } | |
2038 | if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { | |
2039 | return -TARGET_EFAULT; | |
2040 | } | |
2041 | if (!lock_user_struct(VERIFY_READ, tfilter, | |
2042 | tswapal(tfprog->filter), 0)) { | |
2043 | unlock_user_struct(tfprog, optval_addr, 1); | |
2044 | return -TARGET_EFAULT; | |
2045 | } | |
2046 | ||
2047 | fprog.len = tswap16(tfprog->len); | |
0e173b24 | 2048 | filter = g_try_new(struct sock_filter, fprog.len); |
f57d4192 LV |
2049 | if (filter == NULL) { |
2050 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2051 | unlock_user_struct(tfprog, optval_addr, 1); | |
2052 | return -TARGET_ENOMEM; | |
2053 | } | |
2054 | for (i = 0; i < fprog.len; i++) { | |
2055 | filter[i].code = tswap16(tfilter[i].code); | |
2056 | filter[i].jt = tfilter[i].jt; | |
2057 | filter[i].jf = tfilter[i].jf; | |
2058 | filter[i].k = tswap32(tfilter[i].k); | |
2059 | } | |
2060 | fprog.filter = filter; | |
2061 | ||
2062 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, | |
2063 | SO_ATTACH_FILTER, &fprog, sizeof(fprog))); | |
0e173b24 | 2064 | g_free(filter); |
f57d4192 LV |
2065 | |
2066 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2067 | unlock_user_struct(tfprog, optval_addr, 1); | |
2068 | return ret; | |
2069 | } | |
451aaf68 JT |
2070 | case TARGET_SO_BINDTODEVICE: |
2071 | { | |
2072 | char *dev_ifname, *addr_ifname; | |
2073 | ||
2074 | if (optlen > IFNAMSIZ - 1) { | |
2075 | optlen = IFNAMSIZ - 1; | |
2076 | } | |
2077 | dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
2078 | if (!dev_ifname) { | |
2079 | return -TARGET_EFAULT; | |
2080 | } | |
2081 | optname = SO_BINDTODEVICE; | |
2082 | addr_ifname = alloca(IFNAMSIZ); | |
2083 | memcpy(addr_ifname, dev_ifname, optlen); | |
2084 | addr_ifname[optlen] = 0; | |
fad6c58a CG |
2085 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, |
2086 | addr_ifname, optlen)); | |
451aaf68 JT |
2087 | unlock_user (dev_ifname, optval_addr, 0); |
2088 | return ret; | |
2089 | } | |
83eb6e50 CMAB |
2090 | case TARGET_SO_LINGER: |
2091 | { | |
2092 | struct linger lg; | |
2093 | struct target_linger *tlg; | |
2094 | ||
2095 | if (optlen != sizeof(struct target_linger)) { | |
2096 | return -TARGET_EINVAL; | |
2097 | } | |
2098 | if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) { | |
2099 | return -TARGET_EFAULT; | |
2100 | } | |
2101 | __get_user(lg.l_onoff, &tlg->l_onoff); | |
2102 | __get_user(lg.l_linger, &tlg->l_linger); | |
2103 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER, | |
2104 | &lg, sizeof(lg))); | |
2105 | unlock_user_struct(tlg, optval_addr, 0); | |
2106 | return ret; | |
2107 | } | |
8853f86e | 2108 | /* Options with 'int' argument. */ |
3532fa74 FB |
2109 | case TARGET_SO_DEBUG: |
2110 | optname = SO_DEBUG; | |
2111 | break; | |
2112 | case TARGET_SO_REUSEADDR: | |
2113 | optname = SO_REUSEADDR; | |
2114 | break; | |
113a9dd7 YS |
2115 | #ifdef SO_REUSEPORT |
2116 | case TARGET_SO_REUSEPORT: | |
2117 | optname = SO_REUSEPORT; | |
2118 | break; | |
2119 | #endif | |
3532fa74 FB |
2120 | case TARGET_SO_TYPE: |
2121 | optname = SO_TYPE; | |
2122 | break; | |
2123 | case TARGET_SO_ERROR: | |
2124 | optname = SO_ERROR; | |
2125 | break; | |
2126 | case TARGET_SO_DONTROUTE: | |
2127 | optname = SO_DONTROUTE; | |
2128 | break; | |
2129 | case TARGET_SO_BROADCAST: | |
2130 | optname = SO_BROADCAST; | |
2131 | break; | |
2132 | case TARGET_SO_SNDBUF: | |
2133 | optname = SO_SNDBUF; | |
2134 | break; | |
d79b6cc4 PB |
2135 | case TARGET_SO_SNDBUFFORCE: |
2136 | optname = SO_SNDBUFFORCE; | |
2137 | break; | |
3532fa74 FB |
2138 | case TARGET_SO_RCVBUF: |
2139 | optname = SO_RCVBUF; | |
2140 | break; | |
d79b6cc4 PB |
2141 | case TARGET_SO_RCVBUFFORCE: |
2142 | optname = SO_RCVBUFFORCE; | |
2143 | break; | |
3532fa74 FB |
2144 | case TARGET_SO_KEEPALIVE: |
2145 | optname = SO_KEEPALIVE; | |
2146 | break; | |
2147 | case TARGET_SO_OOBINLINE: | |
2148 | optname = SO_OOBINLINE; | |
2149 | break; | |
2150 | case TARGET_SO_NO_CHECK: | |
2151 | optname = SO_NO_CHECK; | |
2152 | break; | |
2153 | case TARGET_SO_PRIORITY: | |
2154 | optname = SO_PRIORITY; | |
2155 | break; | |
5e83e8e3 | 2156 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
2157 | case TARGET_SO_BSDCOMPAT: |
2158 | optname = SO_BSDCOMPAT; | |
2159 | break; | |
5e83e8e3 | 2160 | #endif |
3532fa74 FB |
2161 | case TARGET_SO_PASSCRED: |
2162 | optname = SO_PASSCRED; | |
2163 | break; | |
82d0fe6b PB |
2164 | case TARGET_SO_PASSSEC: |
2165 | optname = SO_PASSSEC; | |
2166 | break; | |
3532fa74 FB |
2167 | case TARGET_SO_TIMESTAMP: |
2168 | optname = SO_TIMESTAMP; | |
2169 | break; | |
2170 | case TARGET_SO_RCVLOWAT: | |
2171 | optname = SO_RCVLOWAT; | |
2172 | break; | |
8853f86e FB |
2173 | default: |
2174 | goto unimplemented; | |
2175 | } | |
3532fa74 | 2176 | if (optlen < sizeof(uint32_t)) |
2f619698 | 2177 | return -TARGET_EINVAL; |
3532fa74 | 2178 | |
2f619698 FB |
2179 | if (get_user_u32(val, optval_addr)) |
2180 | return -TARGET_EFAULT; | |
3532fa74 | 2181 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 2182 | break; |
7854b056 | 2183 | default: |
8853f86e | 2184 | unimplemented: |
b2bedb21 | 2185 | gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname); |
6fa13c17 | 2186 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 2187 | } |
8853f86e | 2188 | return ret; |
7854b056 FB |
2189 | } |
2190 | ||
0da46a6e | 2191 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 2192 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 2193 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 2194 | { |
992f48a0 | 2195 | abi_long ret; |
b55266b5 BS |
2196 | int len, val; |
2197 | socklen_t lv; | |
8853f86e FB |
2198 | |
2199 | switch(level) { | |
3532fa74 | 2200 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
2201 | level = SOL_SOCKET; |
2202 | switch (optname) { | |
2203 | /* These don't just return a single integer */ | |
f3b974cd JL |
2204 | case TARGET_SO_RCVTIMEO: |
2205 | case TARGET_SO_SNDTIMEO: | |
f3b974cd JL |
2206 | case TARGET_SO_PEERNAME: |
2207 | goto unimplemented; | |
583359a6 AP |
2208 | case TARGET_SO_PEERCRED: { |
2209 | struct ucred cr; | |
2210 | socklen_t crlen; | |
2211 | struct target_ucred *tcr; | |
2212 | ||
2213 | if (get_user_u32(len, optlen)) { | |
2214 | return -TARGET_EFAULT; | |
2215 | } | |
2216 | if (len < 0) { | |
2217 | return -TARGET_EINVAL; | |
2218 | } | |
2219 | ||
2220 | crlen = sizeof(cr); | |
2221 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
2222 | &cr, &crlen)); | |
2223 | if (ret < 0) { | |
2224 | return ret; | |
2225 | } | |
2226 | if (len > crlen) { | |
2227 | len = crlen; | |
2228 | } | |
2229 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
2230 | return -TARGET_EFAULT; | |
2231 | } | |
2232 | __put_user(cr.pid, &tcr->pid); | |
2233 | __put_user(cr.uid, &tcr->uid); | |
2234 | __put_user(cr.gid, &tcr->gid); | |
2235 | unlock_user_struct(tcr, optval_addr, 1); | |
2236 | if (put_user_u32(len, optlen)) { | |
83eb6e50 CMAB |
2237 | return -TARGET_EFAULT; |
2238 | } | |
2239 | break; | |
2240 | } | |
2241 | case TARGET_SO_LINGER: | |
2242 | { | |
2243 | struct linger lg; | |
2244 | socklen_t lglen; | |
2245 | struct target_linger *tlg; | |
2246 | ||
2247 | if (get_user_u32(len, optlen)) { | |
2248 | return -TARGET_EFAULT; | |
2249 | } | |
2250 | if (len < 0) { | |
2251 | return -TARGET_EINVAL; | |
2252 | } | |
2253 | ||
2254 | lglen = sizeof(lg); | |
2255 | ret = get_errno(getsockopt(sockfd, level, SO_LINGER, | |
2256 | &lg, &lglen)); | |
2257 | if (ret < 0) { | |
2258 | return ret; | |
2259 | } | |
2260 | if (len > lglen) { | |
2261 | len = lglen; | |
2262 | } | |
2263 | if (!lock_user_struct(VERIFY_WRITE, tlg, optval_addr, 0)) { | |
2264 | return -TARGET_EFAULT; | |
2265 | } | |
2266 | __put_user(lg.l_onoff, &tlg->l_onoff); | |
2267 | __put_user(lg.l_linger, &tlg->l_linger); | |
2268 | unlock_user_struct(tlg, optval_addr, 1); | |
2269 | if (put_user_u32(len, optlen)) { | |
583359a6 AP |
2270 | return -TARGET_EFAULT; |
2271 | } | |
2272 | break; | |
2273 | } | |
f3b974cd JL |
2274 | /* Options with 'int' argument. */ |
2275 | case TARGET_SO_DEBUG: | |
2276 | optname = SO_DEBUG; | |
2277 | goto int_case; | |
2278 | case TARGET_SO_REUSEADDR: | |
2279 | optname = SO_REUSEADDR; | |
2280 | goto int_case; | |
113a9dd7 YS |
2281 | #ifdef SO_REUSEPORT |
2282 | case TARGET_SO_REUSEPORT: | |
2283 | optname = SO_REUSEPORT; | |
2284 | goto int_case; | |
2285 | #endif | |
f3b974cd JL |
2286 | case TARGET_SO_TYPE: |
2287 | optname = SO_TYPE; | |
2288 | goto int_case; | |
2289 | case TARGET_SO_ERROR: | |
2290 | optname = SO_ERROR; | |
2291 | goto int_case; | |
2292 | case TARGET_SO_DONTROUTE: | |
2293 | optname = SO_DONTROUTE; | |
2294 | goto int_case; | |
2295 | case TARGET_SO_BROADCAST: | |
2296 | optname = SO_BROADCAST; | |
2297 | goto int_case; | |
2298 | case TARGET_SO_SNDBUF: | |
2299 | optname = SO_SNDBUF; | |
2300 | goto int_case; | |
2301 | case TARGET_SO_RCVBUF: | |
2302 | optname = SO_RCVBUF; | |
2303 | goto int_case; | |
2304 | case TARGET_SO_KEEPALIVE: | |
2305 | optname = SO_KEEPALIVE; | |
2306 | goto int_case; | |
2307 | case TARGET_SO_OOBINLINE: | |
2308 | optname = SO_OOBINLINE; | |
2309 | goto int_case; | |
2310 | case TARGET_SO_NO_CHECK: | |
2311 | optname = SO_NO_CHECK; | |
2312 | goto int_case; | |
2313 | case TARGET_SO_PRIORITY: | |
2314 | optname = SO_PRIORITY; | |
2315 | goto int_case; | |
2316 | #ifdef SO_BSDCOMPAT | |
2317 | case TARGET_SO_BSDCOMPAT: | |
2318 | optname = SO_BSDCOMPAT; | |
2319 | goto int_case; | |
2320 | #endif | |
2321 | case TARGET_SO_PASSCRED: | |
2322 | optname = SO_PASSCRED; | |
2323 | goto int_case; | |
2324 | case TARGET_SO_TIMESTAMP: | |
2325 | optname = SO_TIMESTAMP; | |
2326 | goto int_case; | |
2327 | case TARGET_SO_RCVLOWAT: | |
2328 | optname = SO_RCVLOWAT; | |
2329 | goto int_case; | |
aec1ca41 PB |
2330 | case TARGET_SO_ACCEPTCONN: |
2331 | optname = SO_ACCEPTCONN; | |
2332 | goto int_case; | |
8853f86e | 2333 | default: |
2efbe911 FB |
2334 | goto int_case; |
2335 | } | |
2336 | break; | |
2337 | case SOL_TCP: | |
2338 | /* TCP options all take an 'int' value. */ | |
2339 | int_case: | |
2f619698 FB |
2340 | if (get_user_u32(len, optlen)) |
2341 | return -TARGET_EFAULT; | |
2efbe911 | 2342 | if (len < 0) |
0da46a6e | 2343 | return -TARGET_EINVAL; |
73160d95 | 2344 | lv = sizeof(lv); |
2efbe911 FB |
2345 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2346 | if (ret < 0) | |
2347 | return ret; | |
8289d112 PB |
2348 | if (optname == SO_TYPE) { |
2349 | val = host_to_target_sock_type(val); | |
2350 | } | |
2efbe911 FB |
2351 | if (len > lv) |
2352 | len = lv; | |
2f619698 FB |
2353 | if (len == 4) { |
2354 | if (put_user_u32(val, optval_addr)) | |
2355 | return -TARGET_EFAULT; | |
2356 | } else { | |
2357 | if (put_user_u8(val, optval_addr)) | |
2358 | return -TARGET_EFAULT; | |
f3b974cd | 2359 | } |
2f619698 FB |
2360 | if (put_user_u32(len, optlen)) |
2361 | return -TARGET_EFAULT; | |
2efbe911 FB |
2362 | break; |
2363 | case SOL_IP: | |
2364 | switch(optname) { | |
2365 | case IP_TOS: | |
2366 | case IP_TTL: | |
2367 | case IP_HDRINCL: | |
2368 | case IP_ROUTER_ALERT: | |
2369 | case IP_RECVOPTS: | |
2370 | case IP_RETOPTS: | |
2371 | case IP_PKTINFO: | |
2372 | case IP_MTU_DISCOVER: | |
2373 | case IP_RECVERR: | |
2374 | case IP_RECVTOS: | |
2375 | #ifdef IP_FREEBIND | |
2376 | case IP_FREEBIND: | |
2377 | #endif | |
2378 | case IP_MULTICAST_TTL: | |
2379 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
2380 | if (get_user_u32(len, optlen)) |
2381 | return -TARGET_EFAULT; | |
8853f86e | 2382 | if (len < 0) |
0da46a6e | 2383 | return -TARGET_EINVAL; |
73160d95 | 2384 | lv = sizeof(lv); |
8853f86e FB |
2385 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2386 | if (ret < 0) | |
2387 | return ret; | |
2efbe911 | 2388 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 2389 | len = 1; |
2f619698 FB |
2390 | if (put_user_u32(len, optlen) |
2391 | || put_user_u8(val, optval_addr)) | |
2392 | return -TARGET_EFAULT; | |
2efbe911 | 2393 | } else { |
2efbe911 FB |
2394 | if (len > sizeof(int)) |
2395 | len = sizeof(int); | |
2f619698 FB |
2396 | if (put_user_u32(len, optlen) |
2397 | || put_user_u32(val, optval_addr)) | |
2398 | return -TARGET_EFAULT; | |
2efbe911 | 2399 | } |
8853f86e | 2400 | break; |
2efbe911 | 2401 | default: |
c02f499e TS |
2402 | ret = -TARGET_ENOPROTOOPT; |
2403 | break; | |
8853f86e FB |
2404 | } |
2405 | break; | |
bd8ed485 TD |
2406 | case SOL_IPV6: |
2407 | switch (optname) { | |
2408 | case IPV6_MTU_DISCOVER: | |
2409 | case IPV6_MTU: | |
2410 | case IPV6_V6ONLY: | |
2411 | case IPV6_RECVPKTINFO: | |
2412 | case IPV6_UNICAST_HOPS: | |
2413 | case IPV6_MULTICAST_HOPS: | |
2414 | case IPV6_MULTICAST_LOOP: | |
2415 | case IPV6_RECVERR: | |
2416 | case IPV6_RECVHOPLIMIT: | |
2417 | case IPV6_2292HOPLIMIT: | |
2418 | case IPV6_CHECKSUM: | |
b9cce6d7 HD |
2419 | case IPV6_ADDRFORM: |
2420 | case IPV6_2292PKTINFO: | |
2421 | case IPV6_RECVTCLASS: | |
2422 | case IPV6_RECVRTHDR: | |
2423 | case IPV6_2292RTHDR: | |
2424 | case IPV6_RECVHOPOPTS: | |
2425 | case IPV6_2292HOPOPTS: | |
2426 | case IPV6_RECVDSTOPTS: | |
2427 | case IPV6_2292DSTOPTS: | |
2428 | case IPV6_TCLASS: | |
2429 | #ifdef IPV6_RECVPATHMTU | |
2430 | case IPV6_RECVPATHMTU: | |
2431 | #endif | |
2432 | #ifdef IPV6_TRANSPARENT | |
2433 | case IPV6_TRANSPARENT: | |
2434 | #endif | |
2435 | #ifdef IPV6_FREEBIND | |
2436 | case IPV6_FREEBIND: | |
2437 | #endif | |
2438 | #ifdef IPV6_RECVORIGDSTADDR | |
2439 | case IPV6_RECVORIGDSTADDR: | |
2440 | #endif | |
bd8ed485 TD |
2441 | if (get_user_u32(len, optlen)) |
2442 | return -TARGET_EFAULT; | |
2443 | if (len < 0) | |
2444 | return -TARGET_EINVAL; | |
2445 | lv = sizeof(lv); | |
2446 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); | |
2447 | if (ret < 0) | |
2448 | return ret; | |
2449 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { | |
2450 | len = 1; | |
2451 | if (put_user_u32(len, optlen) | |
2452 | || put_user_u8(val, optval_addr)) | |
2453 | return -TARGET_EFAULT; | |
2454 | } else { | |
2455 | if (len > sizeof(int)) | |
2456 | len = sizeof(int); | |
2457 | if (put_user_u32(len, optlen) | |
2458 | || put_user_u32(val, optval_addr)) | |
2459 | return -TARGET_EFAULT; | |
2460 | } | |
2461 | break; | |
2462 | default: | |
2463 | ret = -TARGET_ENOPROTOOPT; | |
2464 | break; | |
2465 | } | |
2466 | break; | |
8853f86e FB |
2467 | default: |
2468 | unimplemented: | |
2469 | gemu_log("getsockopt level=%d optname=%d not yet supported\n", | |
2470 | level, optname); | |
c02f499e | 2471 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
2472 | break; |
2473 | } | |
2474 | return ret; | |
7854b056 FB |
2475 | } |
2476 | ||
9ac22517 MF |
2477 | /* Convert target low/high pair representing file offset into the host |
2478 | * low/high pair. This function doesn't handle offsets bigger than 64 bits | |
2479 | * as the kernel doesn't handle them either. | |
2480 | */ | |
2481 | static void target_to_host_low_high(abi_ulong tlow, | |
2482 | abi_ulong thigh, | |
2483 | unsigned long *hlow, | |
2484 | unsigned long *hhigh) | |
2485 | { | |
2486 | uint64_t off = tlow | | |
2487 | ((unsigned long long)thigh << TARGET_LONG_BITS / 2) << | |
2488 | TARGET_LONG_BITS / 2; | |
2489 | ||
2490 | *hlow = off; | |
2491 | *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2; | |
2492 | } | |
2493 | ||
f287b2c2 | 2494 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
dab32b32 | 2495 | abi_ulong count, int copy) |
53a5960a PB |
2496 | { |
2497 | struct target_iovec *target_vec; | |
f287b2c2 RH |
2498 | struct iovec *vec; |
2499 | abi_ulong total_len, max_len; | |
d732dcb4 | 2500 | int i; |
501bb4b0 | 2501 | int err = 0; |
29560a6c | 2502 | bool bad_address = false; |
53a5960a | 2503 | |
f287b2c2 RH |
2504 | if (count == 0) { |
2505 | errno = 0; | |
2506 | return NULL; | |
2507 | } | |
dab32b32 | 2508 | if (count > IOV_MAX) { |
f287b2c2 RH |
2509 | errno = EINVAL; |
2510 | return NULL; | |
2511 | } | |
2512 | ||
0e173b24 | 2513 | vec = g_try_new0(struct iovec, count); |
f287b2c2 RH |
2514 | if (vec == NULL) { |
2515 | errno = ENOMEM; | |
2516 | return NULL; | |
2517 | } | |
2518 | ||
2519 | target_vec = lock_user(VERIFY_READ, target_addr, | |
2520 | count * sizeof(struct target_iovec), 1); | |
2521 | if (target_vec == NULL) { | |
501bb4b0 | 2522 | err = EFAULT; |
f287b2c2 RH |
2523 | goto fail2; |
2524 | } | |
2525 | ||
2526 | /* ??? If host page size > target page size, this will result in a | |
2527 | value larger than what we can actually support. */ | |
2528 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
2529 | total_len = 0; | |
2530 | ||
2531 | for (i = 0; i < count; i++) { | |
2532 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
2533 | abi_long len = tswapal(target_vec[i].iov_len); | |
2534 | ||
2535 | if (len < 0) { | |
501bb4b0 | 2536 | err = EINVAL; |
f287b2c2 RH |
2537 | goto fail; |
2538 | } else if (len == 0) { | |
2539 | /* Zero length pointer is ignored. */ | |
2540 | vec[i].iov_base = 0; | |
41df8411 | 2541 | } else { |
f287b2c2 | 2542 | vec[i].iov_base = lock_user(type, base, len, copy); |
29560a6c TM |
2543 | /* If the first buffer pointer is bad, this is a fault. But |
2544 | * subsequent bad buffers will result in a partial write; this | |
2545 | * is realized by filling the vector with null pointers and | |
2546 | * zero lengths. */ | |
f287b2c2 | 2547 | if (!vec[i].iov_base) { |
29560a6c TM |
2548 | if (i == 0) { |
2549 | err = EFAULT; | |
2550 | goto fail; | |
2551 | } else { | |
2552 | bad_address = true; | |
2553 | } | |
2554 | } | |
2555 | if (bad_address) { | |
2556 | len = 0; | |
f287b2c2 RH |
2557 | } |
2558 | if (len > max_len - total_len) { | |
2559 | len = max_len - total_len; | |
2560 | } | |
41df8411 | 2561 | } |
f287b2c2 RH |
2562 | vec[i].iov_len = len; |
2563 | total_len += len; | |
579a97f7 | 2564 | } |
f287b2c2 RH |
2565 | |
2566 | unlock_user(target_vec, target_addr, 0); | |
2567 | return vec; | |
2568 | ||
2569 | fail: | |
7eff518b CG |
2570 | while (--i >= 0) { |
2571 | if (tswapal(target_vec[i].iov_len) > 0) { | |
2572 | unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0); | |
2573 | } | |
2574 | } | |
f287b2c2 | 2575 | unlock_user(target_vec, target_addr, 0); |
501bb4b0 | 2576 | fail2: |
0e173b24 | 2577 | g_free(vec); |
501bb4b0 | 2578 | errno = err; |
f287b2c2 | 2579 | return NULL; |
53a5960a PB |
2580 | } |
2581 | ||
f287b2c2 | 2582 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
dab32b32 | 2583 | abi_ulong count, int copy) |
53a5960a PB |
2584 | { |
2585 | struct target_iovec *target_vec; | |
53a5960a PB |
2586 | int i; |
2587 | ||
f287b2c2 RH |
2588 | target_vec = lock_user(VERIFY_READ, target_addr, |
2589 | count * sizeof(struct target_iovec), 1); | |
2590 | if (target_vec) { | |
2591 | for (i = 0; i < count; i++) { | |
2592 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
71ec7cef | 2593 | abi_long len = tswapal(target_vec[i].iov_len); |
f287b2c2 RH |
2594 | if (len < 0) { |
2595 | break; | |
2596 | } | |
d732dcb4 AZ |
2597 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
2598 | } | |
f287b2c2 | 2599 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 2600 | } |
579a97f7 | 2601 | |
0e173b24 | 2602 | g_free(vec); |
53a5960a PB |
2603 | } |
2604 | ||
53d09b76 | 2605 | static inline int target_to_host_sock_type(int *type) |
3532fa74 | 2606 | { |
f651e6ae PJ |
2607 | int host_type = 0; |
2608 | int target_type = *type; | |
2609 | ||
2610 | switch (target_type & TARGET_SOCK_TYPE_MASK) { | |
3532fa74 | 2611 | case TARGET_SOCK_DGRAM: |
f651e6ae | 2612 | host_type = SOCK_DGRAM; |
3532fa74 FB |
2613 | break; |
2614 | case TARGET_SOCK_STREAM: | |
f651e6ae | 2615 | host_type = SOCK_STREAM; |
3532fa74 | 2616 | break; |
f651e6ae PJ |
2617 | default: |
2618 | host_type = target_type & TARGET_SOCK_TYPE_MASK; | |
3532fa74 FB |
2619 | break; |
2620 | } | |
f651e6ae | 2621 | if (target_type & TARGET_SOCK_CLOEXEC) { |
53d09b76 | 2622 | #if defined(SOCK_CLOEXEC) |
f651e6ae | 2623 | host_type |= SOCK_CLOEXEC; |
53d09b76 EI |
2624 | #else |
2625 | return -TARGET_EINVAL; | |
2626 | #endif | |
f651e6ae PJ |
2627 | } |
2628 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
53d09b76 | 2629 | #if defined(SOCK_NONBLOCK) |
f651e6ae | 2630 | host_type |= SOCK_NONBLOCK; |
53d09b76 EI |
2631 | #elif !defined(O_NONBLOCK) |
2632 | return -TARGET_EINVAL; | |
2633 | #endif | |
f651e6ae PJ |
2634 | } |
2635 | *type = host_type; | |
53d09b76 EI |
2636 | return 0; |
2637 | } | |
2638 | ||
2639 | /* Try to emulate socket type flags after socket creation. */ | |
2640 | static int sock_flags_fixup(int fd, int target_type) | |
2641 | { | |
2642 | #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK) | |
2643 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
2644 | int flags = fcntl(fd, F_GETFL); | |
2645 | if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) { | |
2646 | close(fd); | |
2647 | return -TARGET_EINVAL; | |
2648 | } | |
2649 | } | |
2650 | #endif | |
2651 | return fd; | |
f651e6ae PJ |
2652 | } |
2653 | ||
2654 | /* do_socket() Must return target values and target errnos. */ | |
2655 | static abi_long do_socket(int domain, int type, int protocol) | |
2656 | { | |
53d09b76 EI |
2657 | int target_type = type; |
2658 | int ret; | |
2659 | ||
2660 | ret = target_to_host_sock_type(&type); | |
2661 | if (ret) { | |
2662 | return ret; | |
2663 | } | |
f651e6ae | 2664 | |
575b22b1 LV |
2665 | if (domain == PF_NETLINK && !( |
2666 | #ifdef CONFIG_RTNETLINK | |
2667 | protocol == NETLINK_ROUTE || | |
2668 | #endif | |
2669 | protocol == NETLINK_KOBJECT_UEVENT || | |
2670 | protocol == NETLINK_AUDIT)) { | |
6c5b5645 LV |
2671 | return -EPFNOSUPPORT; |
2672 | } | |
ff626f2d LV |
2673 | |
2674 | if (domain == AF_PACKET || | |
2675 | (domain == AF_INET && type == SOCK_PACKET)) { | |
2676 | protocol = tswap16(protocol); | |
2677 | } | |
2678 | ||
53d09b76 EI |
2679 | ret = get_errno(socket(domain, type, protocol)); |
2680 | if (ret >= 0) { | |
2681 | ret = sock_flags_fixup(ret, target_type); | |
0cf22722 LV |
2682 | if (type == SOCK_PACKET) { |
2683 | /* Manage an obsolete case : | |
2684 | * if socket type is SOCK_PACKET, bind by name | |
2685 | */ | |
2686 | fd_trans_register(ret, &target_packet_trans); | |
6c5b5645 LV |
2687 | } else if (domain == PF_NETLINK) { |
2688 | switch (protocol) { | |
575b22b1 | 2689 | #ifdef CONFIG_RTNETLINK |
6c5b5645 LV |
2690 | case NETLINK_ROUTE: |
2691 | fd_trans_register(ret, &target_netlink_route_trans); | |
2692 | break; | |
575b22b1 | 2693 | #endif |
b265620b LV |
2694 | case NETLINK_KOBJECT_UEVENT: |
2695 | /* nothing to do: messages are strings */ | |
2696 | break; | |
5ce9bb59 LV |
2697 | case NETLINK_AUDIT: |
2698 | fd_trans_register(ret, &target_netlink_audit_trans); | |
2699 | break; | |
6c5b5645 LV |
2700 | default: |
2701 | g_assert_not_reached(); | |
2702 | } | |
0cf22722 | 2703 | } |
53d09b76 EI |
2704 | } |
2705 | return ret; | |
3532fa74 FB |
2706 | } |
2707 | ||
0da46a6e | 2708 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
2709 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
2710 | socklen_t addrlen) | |
3532fa74 | 2711 | { |
8f7aeaf6 | 2712 | void *addr; |
917507b0 | 2713 | abi_long ret; |
8f7aeaf6 | 2714 | |
38724253 | 2715 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2716 | return -TARGET_EINVAL; |
38724253 | 2717 | } |
8f7aeaf6 | 2718 | |
607175e0 | 2719 | addr = alloca(addrlen+1); |
3b46e624 | 2720 | |
7b36f782 | 2721 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
2722 | if (ret) |
2723 | return ret; | |
2724 | ||
3532fa74 FB |
2725 | return get_errno(bind(sockfd, addr, addrlen)); |
2726 | } | |
2727 | ||
0da46a6e | 2728 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
2729 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
2730 | socklen_t addrlen) | |
3532fa74 | 2731 | { |
8f7aeaf6 | 2732 | void *addr; |
917507b0 | 2733 | abi_long ret; |
8f7aeaf6 | 2734 | |
38724253 | 2735 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2736 | return -TARGET_EINVAL; |
38724253 | 2737 | } |
8f7aeaf6 | 2738 | |
2dd08dfd | 2739 | addr = alloca(addrlen+1); |
3b46e624 | 2740 | |
7b36f782 | 2741 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
2742 | if (ret) |
2743 | return ret; | |
2744 | ||
2a3c7619 | 2745 | return get_errno(safe_connect(sockfd, addr, addrlen)); |
3532fa74 FB |
2746 | } |
2747 | ||
f19e00d7 AG |
2748 | /* do_sendrecvmsg_locked() Must return target values and target errnos. */ |
2749 | static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, | |
2750 | int flags, int send) | |
3532fa74 | 2751 | { |
6de645c7 | 2752 | abi_long ret, len; |
3532fa74 | 2753 | struct msghdr msg; |
dab32b32 | 2754 | abi_ulong count; |
3532fa74 | 2755 | struct iovec *vec; |
992f48a0 | 2756 | abi_ulong target_vec; |
3532fa74 | 2757 | |
3532fa74 FB |
2758 | if (msgp->msg_name) { |
2759 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
2dd08dfd | 2760 | msg.msg_name = alloca(msg.msg_namelen+1); |
7b36f782 LV |
2761 | ret = target_to_host_sockaddr(fd, msg.msg_name, |
2762 | tswapal(msgp->msg_name), | |
2763 | msg.msg_namelen); | |
26a6fc96 PM |
2764 | if (ret == -TARGET_EFAULT) { |
2765 | /* For connected sockets msg_name and msg_namelen must | |
2766 | * be ignored, so returning EFAULT immediately is wrong. | |
2767 | * Instead, pass a bad msg_name to the host kernel, and | |
2768 | * let it decide whether to return EFAULT or not. | |
2769 | */ | |
2770 | msg.msg_name = (void *)-1; | |
2771 | } else if (ret) { | |
f287b2c2 | 2772 | goto out2; |
917507b0 | 2773 | } |
3532fa74 FB |
2774 | } else { |
2775 | msg.msg_name = NULL; | |
2776 | msg.msg_namelen = 0; | |
2777 | } | |
cbb21eed | 2778 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 | 2779 | msg.msg_control = alloca(msg.msg_controllen); |
1d3d1b23 JS |
2780 | memset(msg.msg_control, 0, msg.msg_controllen); |
2781 | ||
3532fa74 | 2782 | msg.msg_flags = tswap32(msgp->msg_flags); |
3b46e624 | 2783 | |
cbb21eed | 2784 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 2785 | target_vec = tswapal(msgp->msg_iov); |
97b07970 PM |
2786 | |
2787 | if (count > IOV_MAX) { | |
2788 | /* sendrcvmsg returns a different errno for this condition than | |
2789 | * readv/writev, so we must catch it here before lock_iovec() does. | |
2790 | */ | |
2791 | ret = -TARGET_EMSGSIZE; | |
2792 | goto out2; | |
2793 | } | |
2794 | ||
f287b2c2 RH |
2795 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
2796 | target_vec, count, send); | |
2797 | if (vec == NULL) { | |
2798 | ret = -host_to_target_errno(errno); | |
2799 | goto out2; | |
2800 | } | |
3532fa74 FB |
2801 | msg.msg_iovlen = count; |
2802 | msg.msg_iov = vec; | |
3b46e624 | 2803 | |
3532fa74 | 2804 | if (send) { |
6c5b5645 | 2805 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
2806 | void *host_msg; |
2807 | ||
2808 | host_msg = g_malloc(msg.msg_iov->iov_len); | |
2809 | memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len); | |
2810 | ret = fd_trans_target_to_host_data(fd)(host_msg, | |
6c5b5645 | 2811 | msg.msg_iov->iov_len); |
7d61d892 LV |
2812 | if (ret >= 0) { |
2813 | msg.msg_iov->iov_base = host_msg; | |
2814 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
2815 | } | |
2816 | g_free(host_msg); | |
6c5b5645 LV |
2817 | } else { |
2818 | ret = target_to_host_cmsg(&msg, msgp); | |
7d61d892 LV |
2819 | if (ret == 0) { |
2820 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
2821 | } | |
6c5b5645 | 2822 | } |
3532fa74 | 2823 | } else { |
66687530 | 2824 | ret = get_errno(safe_recvmsg(fd, &msg, flags)); |
6de645c7 AZ |
2825 | if (!is_error(ret)) { |
2826 | len = ret; | |
6c5b5645 LV |
2827 | if (fd_trans_host_to_target_data(fd)) { |
2828 | ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base, | |
2a03d3e6 | 2829 | MIN(msg.msg_iov->iov_len, len)); |
6c5b5645 LV |
2830 | } else { |
2831 | ret = host_to_target_cmsg(msgp, &msg); | |
2832 | } | |
ca619067 JH |
2833 | if (!is_error(ret)) { |
2834 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
24894f39 | 2835 | msgp->msg_flags = tswap32(msg.msg_flags); |
26a6fc96 | 2836 | if (msg.msg_name != NULL && msg.msg_name != (void *)-1) { |
ca619067 JH |
2837 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), |
2838 | msg.msg_name, msg.msg_namelen); | |
2839 | if (ret) { | |
2840 | goto out; | |
2841 | } | |
2842 | } | |
2843 | ||
6de645c7 | 2844 | ret = len; |
ca619067 | 2845 | } |
6de645c7 | 2846 | } |
3532fa74 | 2847 | } |
ca619067 JH |
2848 | |
2849 | out: | |
3532fa74 | 2850 | unlock_iovec(vec, target_vec, count, !send); |
f287b2c2 | 2851 | out2: |
f19e00d7 AG |
2852 | return ret; |
2853 | } | |
2854 | ||
2855 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, | |
2856 | int flags, int send) | |
2857 | { | |
2858 | abi_long ret; | |
2859 | struct target_msghdr *msgp; | |
2860 | ||
2861 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
2862 | msgp, | |
2863 | target_msg, | |
2864 | send ? 1 : 0)) { | |
2865 | return -TARGET_EFAULT; | |
2866 | } | |
2867 | ret = do_sendrecvmsg_locked(fd, msgp, flags, send); | |
579a97f7 | 2868 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
2869 | return ret; |
2870 | } | |
2871 | ||
f19e00d7 AG |
2872 | /* We don't rely on the C library to have sendmmsg/recvmmsg support, |
2873 | * so it might not have this *mmsg-specific flag either. | |
2874 | */ | |
2875 | #ifndef MSG_WAITFORONE | |
2876 | #define MSG_WAITFORONE 0x10000 | |
2877 | #endif | |
2878 | ||
2879 | static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec, | |
2880 | unsigned int vlen, unsigned int flags, | |
2881 | int send) | |
2882 | { | |
2883 | struct target_mmsghdr *mmsgp; | |
2884 | abi_long ret = 0; | |
2885 | int i; | |
2886 | ||
2887 | if (vlen > UIO_MAXIOV) { | |
2888 | vlen = UIO_MAXIOV; | |
2889 | } | |
2890 | ||
2891 | mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1); | |
2892 | if (!mmsgp) { | |
2893 | return -TARGET_EFAULT; | |
2894 | } | |
2895 | ||
2896 | for (i = 0; i < vlen; i++) { | |
2897 | ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send); | |
2898 | if (is_error(ret)) { | |
2899 | break; | |
2900 | } | |
2901 | mmsgp[i].msg_len = tswap32(ret); | |
2902 | /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */ | |
2903 | if (flags & MSG_WAITFORONE) { | |
2904 | flags |= MSG_DONTWAIT; | |
2905 | } | |
2906 | } | |
2907 | ||
2908 | unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i); | |
2909 | ||
2910 | /* Return number of datagrams sent if we sent any at all; | |
2911 | * otherwise return the error. | |
2912 | */ | |
2913 | if (i) { | |
2914 | return i; | |
2915 | } | |
2916 | return ret; | |
2917 | } | |
f19e00d7 | 2918 | |
a94b4987 PM |
2919 | /* do_accept4() Must return target values and target errnos. */ |
2920 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
2921 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 2922 | { |
cd813367 | 2923 | socklen_t addrlen, ret_addrlen; |
2f619698 | 2924 | void *addr; |
992f48a0 | 2925 | abi_long ret; |
d25295d4 PJ |
2926 | int host_flags; |
2927 | ||
2928 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
1be9e1dc | 2929 | |
a94b4987 | 2930 | if (target_addr == 0) { |
ff6dc130 | 2931 | return get_errno(safe_accept4(fd, NULL, NULL, host_flags)); |
a94b4987 | 2932 | } |
917507b0 AP |
2933 | |
2934 | /* linux returns EINVAL if addrlen pointer is invalid */ | |
2f619698 | 2935 | if (get_user_u32(addrlen, target_addrlen_addr)) |
917507b0 | 2936 | return -TARGET_EINVAL; |
2f619698 | 2937 | |
38724253 | 2938 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2939 | return -TARGET_EINVAL; |
38724253 | 2940 | } |
8f7aeaf6 | 2941 | |
917507b0 AP |
2942 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2943 | return -TARGET_EINVAL; | |
2944 | ||
2f619698 FB |
2945 | addr = alloca(addrlen); |
2946 | ||
cd813367 AS |
2947 | ret_addrlen = addrlen; |
2948 | ret = get_errno(safe_accept4(fd, addr, &ret_addrlen, host_flags)); | |
1be9e1dc | 2949 | if (!is_error(ret)) { |
cd813367 AS |
2950 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
2951 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 2952 | ret = -TARGET_EFAULT; |
cd813367 | 2953 | } |
1be9e1dc PB |
2954 | } |
2955 | return ret; | |
2956 | } | |
2957 | ||
0da46a6e | 2958 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 2959 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 2960 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2961 | { |
cd813367 | 2962 | socklen_t addrlen, ret_addrlen; |
2f619698 | 2963 | void *addr; |
992f48a0 | 2964 | abi_long ret; |
1be9e1dc | 2965 | |
2f619698 FB |
2966 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2967 | return -TARGET_EFAULT; | |
2968 | ||
38724253 | 2969 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2970 | return -TARGET_EINVAL; |
38724253 | 2971 | } |
8f7aeaf6 | 2972 | |
917507b0 AP |
2973 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2974 | return -TARGET_EFAULT; | |
2975 | ||
2f619698 FB |
2976 | addr = alloca(addrlen); |
2977 | ||
cd813367 AS |
2978 | ret_addrlen = addrlen; |
2979 | ret = get_errno(getpeername(fd, addr, &ret_addrlen)); | |
1be9e1dc | 2980 | if (!is_error(ret)) { |
cd813367 AS |
2981 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
2982 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 2983 | ret = -TARGET_EFAULT; |
cd813367 | 2984 | } |
1be9e1dc PB |
2985 | } |
2986 | return ret; | |
2987 | } | |
2988 | ||
0da46a6e | 2989 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 2990 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 2991 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2992 | { |
cd813367 | 2993 | socklen_t addrlen, ret_addrlen; |
2f619698 | 2994 | void *addr; |
992f48a0 | 2995 | abi_long ret; |
1be9e1dc | 2996 | |
2f619698 FB |
2997 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2998 | return -TARGET_EFAULT; | |
2999 | ||
38724253 | 3000 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3001 | return -TARGET_EINVAL; |
38724253 | 3002 | } |
8f7aeaf6 | 3003 | |
917507b0 AP |
3004 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
3005 | return -TARGET_EFAULT; | |
3006 | ||
2f619698 FB |
3007 | addr = alloca(addrlen); |
3008 | ||
cd813367 AS |
3009 | ret_addrlen = addrlen; |
3010 | ret = get_errno(getsockname(fd, addr, &ret_addrlen)); | |
1be9e1dc | 3011 | if (!is_error(ret)) { |
cd813367 AS |
3012 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3013 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3014 | ret = -TARGET_EFAULT; |
cd813367 | 3015 | } |
1be9e1dc PB |
3016 | } |
3017 | return ret; | |
3018 | } | |
3019 | ||
0da46a6e | 3020 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 3021 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 3022 | abi_ulong target_tab_addr) |
1be9e1dc PB |
3023 | { |
3024 | int tab[2]; | |
992f48a0 | 3025 | abi_long ret; |
1be9e1dc | 3026 | |
f651e6ae PJ |
3027 | target_to_host_sock_type(&type); |
3028 | ||
1be9e1dc PB |
3029 | ret = get_errno(socketpair(domain, type, protocol, tab)); |
3030 | if (!is_error(ret)) { | |
2f619698 FB |
3031 | if (put_user_s32(tab[0], target_tab_addr) |
3032 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
3033 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
3034 | } |
3035 | return ret; | |
3036 | } | |
3037 | ||
0da46a6e | 3038 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
3039 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
3040 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
3041 | { |
3042 | void *addr; | |
3043 | void *host_msg; | |
7d61d892 | 3044 | void *copy_msg = NULL; |
992f48a0 | 3045 | abi_long ret; |
1be9e1dc | 3046 | |
38724253 | 3047 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3048 | return -TARGET_EINVAL; |
38724253 | 3049 | } |
8f7aeaf6 | 3050 | |
579a97f7 FB |
3051 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
3052 | if (!host_msg) | |
3053 | return -TARGET_EFAULT; | |
6c5b5645 | 3054 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
3055 | copy_msg = host_msg; |
3056 | host_msg = g_malloc(len); | |
3057 | memcpy(host_msg, copy_msg, len); | |
6c5b5645 LV |
3058 | ret = fd_trans_target_to_host_data(fd)(host_msg, len); |
3059 | if (ret < 0) { | |
7d61d892 | 3060 | goto fail; |
6c5b5645 LV |
3061 | } |
3062 | } | |
1be9e1dc | 3063 | if (target_addr) { |
2dd08dfd | 3064 | addr = alloca(addrlen+1); |
7b36f782 | 3065 | ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen); |
917507b0 | 3066 | if (ret) { |
7d61d892 | 3067 | goto fail; |
917507b0 | 3068 | } |
66687530 | 3069 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen)); |
1be9e1dc | 3070 | } else { |
66687530 | 3071 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc | 3072 | } |
7d61d892 LV |
3073 | fail: |
3074 | if (copy_msg) { | |
3075 | g_free(host_msg); | |
3076 | host_msg = copy_msg; | |
3077 | } | |
1be9e1dc PB |
3078 | unlock_user(host_msg, msg, 0); |
3079 | return ret; | |
3080 | } | |
3081 | ||
0da46a6e | 3082 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
3083 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
3084 | abi_ulong target_addr, | |
3085 | abi_ulong target_addrlen) | |
1be9e1dc | 3086 | { |
cd813367 | 3087 | socklen_t addrlen, ret_addrlen; |
1be9e1dc PB |
3088 | void *addr; |
3089 | void *host_msg; | |
992f48a0 | 3090 | abi_long ret; |
1be9e1dc | 3091 | |
579a97f7 FB |
3092 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); |
3093 | if (!host_msg) | |
3094 | return -TARGET_EFAULT; | |
1be9e1dc | 3095 | if (target_addr) { |
2f619698 FB |
3096 | if (get_user_u32(addrlen, target_addrlen)) { |
3097 | ret = -TARGET_EFAULT; | |
3098 | goto fail; | |
3099 | } | |
38724253 | 3100 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
3101 | ret = -TARGET_EINVAL; |
3102 | goto fail; | |
3103 | } | |
1be9e1dc | 3104 | addr = alloca(addrlen); |
cd813367 | 3105 | ret_addrlen = addrlen; |
66687530 | 3106 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, |
cd813367 | 3107 | addr, &ret_addrlen)); |
1be9e1dc PB |
3108 | } else { |
3109 | addr = NULL; /* To keep compiler quiet. */ | |
cd813367 | 3110 | addrlen = 0; /* To keep compiler quiet. */ |
66687530 | 3111 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc PB |
3112 | } |
3113 | if (!is_error(ret)) { | |
c35e1f9c | 3114 | if (fd_trans_host_to_target_data(fd)) { |
2a03d3e6 LV |
3115 | abi_long trans; |
3116 | trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len)); | |
3117 | if (is_error(trans)) { | |
3118 | ret = trans; | |
3119 | goto fail; | |
3120 | } | |
c35e1f9c | 3121 | } |
1be9e1dc | 3122 | if (target_addr) { |
cd813367 AS |
3123 | host_to_target_sockaddr(target_addr, addr, |
3124 | MIN(addrlen, ret_addrlen)); | |
3125 | if (put_user_u32(ret_addrlen, target_addrlen)) { | |
2f619698 FB |
3126 | ret = -TARGET_EFAULT; |
3127 | goto fail; | |
3128 | } | |
1be9e1dc PB |
3129 | } |
3130 | unlock_user(host_msg, msg, len); | |
3131 | } else { | |
2f619698 | 3132 | fail: |
1be9e1dc PB |
3133 | unlock_user(host_msg, msg, 0); |
3134 | } | |
3135 | return ret; | |
3136 | } | |
3137 | ||
32407103 | 3138 | #ifdef TARGET_NR_socketcall |
ff71a454 | 3139 | /* do_socketcall() must return target values and target errnos. */ |
992f48a0 | 3140 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 3141 | { |
ff71a454 AM |
3142 | static const unsigned nargs[] = { /* number of arguments per operation */ |
3143 | [TARGET_SYS_SOCKET] = 3, /* domain, type, protocol */ | |
3144 | [TARGET_SYS_BIND] = 3, /* fd, addr, addrlen */ | |
3145 | [TARGET_SYS_CONNECT] = 3, /* fd, addr, addrlen */ | |
3146 | [TARGET_SYS_LISTEN] = 2, /* fd, backlog */ | |
3147 | [TARGET_SYS_ACCEPT] = 3, /* fd, addr, addrlen */ | |
3148 | [TARGET_SYS_GETSOCKNAME] = 3, /* fd, addr, addrlen */ | |
3149 | [TARGET_SYS_GETPEERNAME] = 3, /* fd, addr, addrlen */ | |
3150 | [TARGET_SYS_SOCKETPAIR] = 4, /* domain, type, protocol, tab */ | |
3151 | [TARGET_SYS_SEND] = 4, /* fd, msg, len, flags */ | |
3152 | [TARGET_SYS_RECV] = 4, /* fd, msg, len, flags */ | |
3153 | [TARGET_SYS_SENDTO] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3154 | [TARGET_SYS_RECVFROM] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3155 | [TARGET_SYS_SHUTDOWN] = 2, /* fd, how */ | |
3156 | [TARGET_SYS_SETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3157 | [TARGET_SYS_GETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3158 | [TARGET_SYS_SENDMSG] = 3, /* fd, msg, flags */ | |
3159 | [TARGET_SYS_RECVMSG] = 3, /* fd, msg, flags */ | |
3160 | [TARGET_SYS_ACCEPT4] = 4, /* fd, addr, addrlen, flags */ | |
3161 | [TARGET_SYS_RECVMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
3162 | [TARGET_SYS_SENDMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
62dc90c6 MT |
3163 | }; |
3164 | abi_long a[6]; /* max 6 args */ | |
ff71a454 | 3165 | unsigned i; |
62dc90c6 | 3166 | |
ff71a454 AM |
3167 | /* check the range of the first argument num */ |
3168 | /* (TARGET_SYS_SENDMMSG is the highest among TARGET_SYS_xxx) */ | |
3169 | if (num < 1 || num > TARGET_SYS_SENDMMSG) { | |
3170 | return -TARGET_EINVAL; | |
3171 | } | |
3172 | /* ensure we have space for args */ | |
3173 | if (nargs[num] > ARRAY_SIZE(a)) { | |
3174 | return -TARGET_EINVAL; | |
3175 | } | |
3176 | /* collect the arguments in a[] according to nargs[] */ | |
3177 | for (i = 0; i < nargs[num]; ++i) { | |
3178 | if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) { | |
3179 | return -TARGET_EFAULT; | |
31e31b8a | 3180 | } |
62dc90c6 | 3181 | } |
ff71a454 | 3182 | /* now when we have the args, invoke the appropriate underlying function */ |
62dc90c6 | 3183 | switch (num) { |
ff71a454 | 3184 | case TARGET_SYS_SOCKET: /* domain, type, protocol */ |
62dc90c6 | 3185 | return do_socket(a[0], a[1], a[2]); |
ff71a454 | 3186 | case TARGET_SYS_BIND: /* sockfd, addr, addrlen */ |
62dc90c6 | 3187 | return do_bind(a[0], a[1], a[2]); |
ff71a454 | 3188 | case TARGET_SYS_CONNECT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3189 | return do_connect(a[0], a[1], a[2]); |
ff71a454 | 3190 | case TARGET_SYS_LISTEN: /* sockfd, backlog */ |
62dc90c6 | 3191 | return get_errno(listen(a[0], a[1])); |
ff71a454 | 3192 | case TARGET_SYS_ACCEPT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3193 | return do_accept4(a[0], a[1], a[2], 0); |
ff71a454 | 3194 | case TARGET_SYS_GETSOCKNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3195 | return do_getsockname(a[0], a[1], a[2]); |
ff71a454 | 3196 | case TARGET_SYS_GETPEERNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3197 | return do_getpeername(a[0], a[1], a[2]); |
ff71a454 | 3198 | case TARGET_SYS_SOCKETPAIR: /* domain, type, protocol, tab */ |
62dc90c6 | 3199 | return do_socketpair(a[0], a[1], a[2], a[3]); |
ff71a454 | 3200 | case TARGET_SYS_SEND: /* sockfd, msg, len, flags */ |
62dc90c6 | 3201 | return do_sendto(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3202 | case TARGET_SYS_RECV: /* sockfd, msg, len, flags */ |
62dc90c6 | 3203 | return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3204 | case TARGET_SYS_SENDTO: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3205 | return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3206 | case TARGET_SYS_RECVFROM: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3207 | return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3208 | case TARGET_SYS_SHUTDOWN: /* sockfd, how */ |
62dc90c6 | 3209 | return get_errno(shutdown(a[0], a[1])); |
ff71a454 AM |
3210 | case TARGET_SYS_SETSOCKOPT: /* sockfd, level, optname, optval, optlen */ |
3211 | return do_setsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3212 | case TARGET_SYS_GETSOCKOPT: /* sockfd, level, optname, optval, optlen */ | |
3213 | return do_getsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3214 | case TARGET_SYS_SENDMSG: /* sockfd, msg, flags */ | |
62dc90c6 | 3215 | return do_sendrecvmsg(a[0], a[1], a[2], 1); |
ff71a454 | 3216 | case TARGET_SYS_RECVMSG: /* sockfd, msg, flags */ |
62dc90c6 | 3217 | return do_sendrecvmsg(a[0], a[1], a[2], 0); |
ff71a454 AM |
3218 | case TARGET_SYS_ACCEPT4: /* sockfd, addr, addrlen, flags */ |
3219 | return do_accept4(a[0], a[1], a[2], a[3]); | |
3220 | case TARGET_SYS_RECVMMSG: /* sockfd, msgvec, vlen, flags */ | |
5a53dc50 | 3221 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0); |
ff71a454 AM |
3222 | case TARGET_SYS_SENDMMSG: /* sockfd, msgvec, vlen, flags */ |
3223 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1); | |
31e31b8a FB |
3224 | default: |
3225 | gemu_log("Unsupported socketcall: %d\n", num); | |
ff71a454 | 3226 | return -TARGET_EINVAL; |
31e31b8a | 3227 | } |
31e31b8a | 3228 | } |
32407103 | 3229 | #endif |
31e31b8a | 3230 | |
8853f86e FB |
3231 | #define N_SHM_REGIONS 32 |
3232 | ||
3233 | static struct shm_region { | |
b6e17875 PM |
3234 | abi_ulong start; |
3235 | abi_ulong size; | |
3236 | bool in_use; | |
8853f86e FB |
3237 | } shm_regions[N_SHM_REGIONS]; |
3238 | ||
005eb2ae PM |
3239 | #ifndef TARGET_SEMID64_DS |
3240 | /* asm-generic version of this struct */ | |
3241 | struct target_semid64_ds | |
3eb6b044 TS |
3242 | { |
3243 | struct target_ipc_perm sem_perm; | |
992f48a0 | 3244 | abi_ulong sem_otime; |
005eb2ae | 3245 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3246 | abi_ulong __unused1; |
03527344 | 3247 | #endif |
992f48a0 | 3248 | abi_ulong sem_ctime; |
005eb2ae | 3249 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3250 | abi_ulong __unused2; |
03527344 | 3251 | #endif |
992f48a0 BS |
3252 | abi_ulong sem_nsems; |
3253 | abi_ulong __unused3; | |
3254 | abi_ulong __unused4; | |
3eb6b044 | 3255 | }; |
005eb2ae | 3256 | #endif |
3eb6b044 | 3257 | |
579a97f7 FB |
3258 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
3259 | abi_ulong target_addr) | |
3eb6b044 TS |
3260 | { |
3261 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3262 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3263 | |
579a97f7 FB |
3264 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3265 | return -TARGET_EFAULT; | |
e8bbe36c | 3266 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3267 | host_ip->__key = tswap32(target_ip->__key); |
3268 | host_ip->uid = tswap32(target_ip->uid); | |
3269 | host_ip->gid = tswap32(target_ip->gid); | |
3270 | host_ip->cuid = tswap32(target_ip->cuid); | |
3271 | host_ip->cgid = tswap32(target_ip->cgid); | |
3272 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3273 | host_ip->mode = tswap32(target_ip->mode); | |
3274 | #else | |
cbb21eed | 3275 | host_ip->mode = tswap16(target_ip->mode); |
55a2b163 PJ |
3276 | #endif |
3277 | #if defined(TARGET_PPC) | |
3278 | host_ip->__seq = tswap32(target_ip->__seq); | |
3279 | #else | |
3280 | host_ip->__seq = tswap16(target_ip->__seq); | |
3281 | #endif | |
3eb6b044 | 3282 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3283 | return 0; |
3eb6b044 TS |
3284 | } |
3285 | ||
579a97f7 FB |
3286 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
3287 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
3288 | { |
3289 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3290 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3291 | |
579a97f7 FB |
3292 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3293 | return -TARGET_EFAULT; | |
3eb6b044 | 3294 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3295 | target_ip->__key = tswap32(host_ip->__key); |
3296 | target_ip->uid = tswap32(host_ip->uid); | |
3297 | target_ip->gid = tswap32(host_ip->gid); | |
3298 | target_ip->cuid = tswap32(host_ip->cuid); | |
3299 | target_ip->cgid = tswap32(host_ip->cgid); | |
3300 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3301 | target_ip->mode = tswap32(host_ip->mode); | |
3302 | #else | |
cbb21eed | 3303 | target_ip->mode = tswap16(host_ip->mode); |
55a2b163 PJ |
3304 | #endif |
3305 | #if defined(TARGET_PPC) | |
3306 | target_ip->__seq = tswap32(host_ip->__seq); | |
3307 | #else | |
3308 | target_ip->__seq = tswap16(host_ip->__seq); | |
3309 | #endif | |
3eb6b044 | 3310 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3311 | return 0; |
3eb6b044 TS |
3312 | } |
3313 | ||
579a97f7 FB |
3314 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
3315 | abi_ulong target_addr) | |
3eb6b044 | 3316 | { |
005eb2ae | 3317 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3318 | |
579a97f7 FB |
3319 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3320 | return -TARGET_EFAULT; | |
e5289087 AJ |
3321 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
3322 | return -TARGET_EFAULT; | |
cbb21eed MB |
3323 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
3324 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
3325 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 3326 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3327 | return 0; |
3eb6b044 TS |
3328 | } |
3329 | ||
579a97f7 FB |
3330 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
3331 | struct semid_ds *host_sd) | |
3eb6b044 | 3332 | { |
005eb2ae | 3333 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3334 | |
579a97f7 FB |
3335 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3336 | return -TARGET_EFAULT; | |
e5289087 | 3337 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 3338 | return -TARGET_EFAULT; |
cbb21eed MB |
3339 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
3340 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
3341 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 3342 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3343 | return 0; |
3eb6b044 TS |
3344 | } |
3345 | ||
e5289087 AJ |
3346 | struct target_seminfo { |
3347 | int semmap; | |
3348 | int semmni; | |
3349 | int semmns; | |
3350 | int semmnu; | |
3351 | int semmsl; | |
3352 | int semopm; | |
3353 | int semume; | |
3354 | int semusz; | |
3355 | int semvmx; | |
3356 | int semaem; | |
3357 | }; | |
3358 | ||
3359 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
3360 | struct seminfo *host_seminfo) | |
3361 | { | |
3362 | struct target_seminfo *target_seminfo; | |
3363 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
3364 | return -TARGET_EFAULT; | |
3365 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
3366 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
3367 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
3368 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
3369 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
3370 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
3371 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
3372 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
3373 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
3374 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
3375 | unlock_user_struct(target_seminfo, target_addr, 1); | |
3376 | return 0; | |
3377 | } | |
3378 | ||
fa294816 TS |
3379 | union semun { |
3380 | int val; | |
3eb6b044 | 3381 | struct semid_ds *buf; |
fa294816 | 3382 | unsigned short *array; |
e5289087 | 3383 | struct seminfo *__buf; |
fa294816 TS |
3384 | }; |
3385 | ||
3eb6b044 TS |
3386 | union target_semun { |
3387 | int val; | |
e5289087 AJ |
3388 | abi_ulong buf; |
3389 | abi_ulong array; | |
3390 | abi_ulong __buf; | |
3eb6b044 TS |
3391 | }; |
3392 | ||
e5289087 AJ |
3393 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
3394 | abi_ulong target_addr) | |
3eb6b044 | 3395 | { |
e5289087 AJ |
3396 | int nsems; |
3397 | unsigned short *array; | |
3398 | union semun semun; | |
3399 | struct semid_ds semid_ds; | |
3400 | int i, ret; | |
3eb6b044 | 3401 | |
e5289087 AJ |
3402 | semun.buf = &semid_ds; |
3403 | ||
3404 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3405 | if (ret == -1) | |
3406 | return get_errno(ret); | |
3407 | ||
3408 | nsems = semid_ds.sem_nsems; | |
3409 | ||
0e173b24 | 3410 | *host_array = g_try_new(unsigned short, nsems); |
69d4c703 PM |
3411 | if (!*host_array) { |
3412 | return -TARGET_ENOMEM; | |
3413 | } | |
e5289087 AJ |
3414 | array = lock_user(VERIFY_READ, target_addr, |
3415 | nsems*sizeof(unsigned short), 1); | |
69d4c703 | 3416 | if (!array) { |
0e173b24 | 3417 | g_free(*host_array); |
e5289087 | 3418 | return -TARGET_EFAULT; |
69d4c703 | 3419 | } |
e5289087 AJ |
3420 | |
3421 | for(i=0; i<nsems; i++) { | |
3422 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3423 | } |
e5289087 AJ |
3424 | unlock_user(array, target_addr, 0); |
3425 | ||
579a97f7 | 3426 | return 0; |
3eb6b044 TS |
3427 | } |
3428 | ||
e5289087 AJ |
3429 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
3430 | unsigned short **host_array) | |
3eb6b044 | 3431 | { |
e5289087 AJ |
3432 | int nsems; |
3433 | unsigned short *array; | |
3434 | union semun semun; | |
3435 | struct semid_ds semid_ds; | |
3436 | int i, ret; | |
3eb6b044 | 3437 | |
e5289087 AJ |
3438 | semun.buf = &semid_ds; |
3439 | ||
3440 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3441 | if (ret == -1) | |
3442 | return get_errno(ret); | |
3443 | ||
3444 | nsems = semid_ds.sem_nsems; | |
3445 | ||
3446 | array = lock_user(VERIFY_WRITE, target_addr, | |
3447 | nsems*sizeof(unsigned short), 0); | |
3448 | if (!array) | |
3449 | return -TARGET_EFAULT; | |
3450 | ||
3451 | for(i=0; i<nsems; i++) { | |
3452 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3453 | } |
0e173b24 | 3454 | g_free(*host_array); |
e5289087 AJ |
3455 | unlock_user(array, target_addr, 1); |
3456 | ||
579a97f7 | 3457 | return 0; |
3eb6b044 TS |
3458 | } |
3459 | ||
e5289087 | 3460 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
d1c002b6 | 3461 | abi_ulong target_arg) |
3eb6b044 | 3462 | { |
d1c002b6 | 3463 | union target_semun target_su = { .buf = target_arg }; |
3eb6b044 TS |
3464 | union semun arg; |
3465 | struct semid_ds dsarg; | |
7b8118e8 | 3466 | unsigned short *array = NULL; |
e5289087 AJ |
3467 | struct seminfo seminfo; |
3468 | abi_long ret = -TARGET_EINVAL; | |
3469 | abi_long err; | |
3470 | cmd &= 0xff; | |
3eb6b044 TS |
3471 | |
3472 | switch( cmd ) { | |
3473 | case GETVAL: | |
3eb6b044 | 3474 | case SETVAL: |
5464baec TM |
3475 | /* In 64 bit cross-endian situations, we will erroneously pick up |
3476 | * the wrong half of the union for the "val" element. To rectify | |
3477 | * this, the entire 8-byte structure is byteswapped, followed by | |
3478 | * a swap of the 4 byte val field. In other cases, the data is | |
3479 | * already in proper host byte order. */ | |
3480 | if (sizeof(target_su.val) != (sizeof(target_su.buf))) { | |
3481 | target_su.buf = tswapal(target_su.buf); | |
3482 | arg.val = tswap32(target_su.val); | |
3483 | } else { | |
3484 | arg.val = target_su.val; | |
3485 | } | |
e5289087 | 3486 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
3eb6b044 TS |
3487 | break; |
3488 | case GETALL: | |
3eb6b044 | 3489 | case SETALL: |
e5289087 AJ |
3490 | err = target_to_host_semarray(semid, &array, target_su.array); |
3491 | if (err) | |
3492 | return err; | |
3493 | arg.array = array; | |
3494 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3495 | err = host_to_target_semarray(semid, target_su.array, &array); | |
3496 | if (err) | |
3497 | return err; | |
3eb6b044 TS |
3498 | break; |
3499 | case IPC_STAT: | |
3eb6b044 | 3500 | case IPC_SET: |
e5289087 AJ |
3501 | case SEM_STAT: |
3502 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
3503 | if (err) | |
3504 | return err; | |
3505 | arg.buf = &dsarg; | |
3506 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3507 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
3508 | if (err) | |
3509 | return err; | |
3510 | break; | |
3511 | case IPC_INFO: | |
3512 | case SEM_INFO: | |
3513 | arg.__buf = &seminfo; | |
3514 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3515 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
3516 | if (err) | |
3517 | return err; | |
3518 | break; | |
3519 | case IPC_RMID: | |
3520 | case GETPID: | |
3521 | case GETNCNT: | |
3522 | case GETZCNT: | |
3523 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 3524 | break; |
3eb6b044 TS |
3525 | } |
3526 | ||
3527 | return ret; | |
3528 | } | |
3529 | ||
e5289087 AJ |
3530 | struct target_sembuf { |
3531 | unsigned short sem_num; | |
3532 | short sem_op; | |
3533 | short sem_flg; | |
3534 | }; | |
3535 | ||
3536 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
3537 | abi_ulong target_addr, | |
3538 | unsigned nsops) | |
3539 | { | |
3540 | struct target_sembuf *target_sembuf; | |
3541 | int i; | |
3542 | ||
3543 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
3544 | nsops*sizeof(struct target_sembuf), 1); | |
3545 | if (!target_sembuf) | |
3546 | return -TARGET_EFAULT; | |
3547 | ||
3548 | for(i=0; i<nsops; i++) { | |
3549 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
3550 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
3551 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
3552 | } | |
3553 | ||
3554 | unlock_user(target_sembuf, target_addr, 0); | |
3555 | ||
3556 | return 0; | |
3557 | } | |
3558 | ||
3559 | static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) | |
3560 | { | |
3561 | struct sembuf sops[nsops]; | |
524fa340 | 3562 | abi_long ret; |
e5289087 AJ |
3563 | |
3564 | if (target_to_host_sembuf(sops, ptr, nsops)) | |
3565 | return -TARGET_EFAULT; | |
3566 | ||
524fa340 LV |
3567 | ret = -TARGET_ENOSYS; |
3568 | #ifdef __NR_semtimedop | |
3569 | ret = get_errno(safe_semtimedop(semid, sops, nsops, NULL)); | |
3570 | #endif | |
3571 | #ifdef __NR_ipc | |
3572 | if (ret == -TARGET_ENOSYS) { | |
3573 | ret = get_errno(safe_ipc(IPCOP_semtimedop, semid, nsops, 0, sops, 0)); | |
3574 | } | |
3575 | #endif | |
3576 | return ret; | |
e5289087 AJ |
3577 | } |
3578 | ||
1bc012f6 TS |
3579 | struct target_msqid_ds |
3580 | { | |
1c54ff97 AJ |
3581 | struct target_ipc_perm msg_perm; |
3582 | abi_ulong msg_stime; | |
3583 | #if TARGET_ABI_BITS == 32 | |
3584 | abi_ulong __unused1; | |
3585 | #endif | |
3586 | abi_ulong msg_rtime; | |
3587 | #if TARGET_ABI_BITS == 32 | |
3588 | abi_ulong __unused2; | |
3589 | #endif | |
3590 | abi_ulong msg_ctime; | |
3591 | #if TARGET_ABI_BITS == 32 | |
3592 | abi_ulong __unused3; | |
3593 | #endif | |
3594 | abi_ulong __msg_cbytes; | |
3595 | abi_ulong msg_qnum; | |
3596 | abi_ulong msg_qbytes; | |
3597 | abi_ulong msg_lspid; | |
3598 | abi_ulong msg_lrpid; | |
3599 | abi_ulong __unused4; | |
3600 | abi_ulong __unused5; | |
1bc012f6 TS |
3601 | }; |
3602 | ||
579a97f7 FB |
3603 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
3604 | abi_ulong target_addr) | |
1bc012f6 TS |
3605 | { |
3606 | struct target_msqid_ds *target_md; | |
3607 | ||
579a97f7 FB |
3608 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
3609 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
3610 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
3611 | return -TARGET_EFAULT; | |
cbb21eed MB |
3612 | host_md->msg_stime = tswapal(target_md->msg_stime); |
3613 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
3614 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
3615 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
3616 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
3617 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
3618 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
3619 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 3620 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 3621 | return 0; |
1bc012f6 TS |
3622 | } |
3623 | ||
579a97f7 FB |
3624 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
3625 | struct msqid_ds *host_md) | |
1bc012f6 TS |
3626 | { |
3627 | struct target_msqid_ds *target_md; | |
3628 | ||
579a97f7 FB |
3629 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
3630 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
3631 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
3632 | return -TARGET_EFAULT; | |
cbb21eed MB |
3633 | target_md->msg_stime = tswapal(host_md->msg_stime); |
3634 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
3635 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
3636 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
3637 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
3638 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
3639 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
3640 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 3641 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 3642 | return 0; |
1bc012f6 TS |
3643 | } |
3644 | ||
1c54ff97 AJ |
3645 | struct target_msginfo { |
3646 | int msgpool; | |
3647 | int msgmap; | |
3648 | int msgmax; | |
3649 | int msgmnb; | |
3650 | int msgmni; | |
3651 | int msgssz; | |
3652 | int msgtql; | |
3653 | unsigned short int msgseg; | |
3654 | }; | |
3655 | ||
3656 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
3657 | struct msginfo *host_msginfo) | |
3658 | { | |
3659 | struct target_msginfo *target_msginfo; | |
3660 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
3661 | return -TARGET_EFAULT; | |
3662 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
3663 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
3664 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
3665 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
3666 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
3667 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
3668 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
3669 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
3670 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 3671 | return 0; |
1c54ff97 AJ |
3672 | } |
3673 | ||
3674 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
3675 | { |
3676 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
3677 | struct msginfo msginfo; |
3678 | abi_long ret = -TARGET_EINVAL; | |
3679 | ||
3680 | cmd &= 0xff; | |
3681 | ||
3682 | switch (cmd) { | |
1bc012f6 TS |
3683 | case IPC_STAT: |
3684 | case IPC_SET: | |
1c54ff97 AJ |
3685 | case MSG_STAT: |
3686 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
3687 | return -TARGET_EFAULT; | |
3688 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
3689 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
3690 | return -TARGET_EFAULT; | |
3691 | break; | |
3692 | case IPC_RMID: | |
3693 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
3694 | break; | |
3695 | case IPC_INFO: | |
3696 | case MSG_INFO: | |
3697 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
3698 | if (host_to_target_msginfo(ptr, &msginfo)) | |
3699 | return -TARGET_EFAULT; | |
3700 | break; | |
1bc012f6 | 3701 | } |
1c54ff97 | 3702 | |
1bc012f6 TS |
3703 | return ret; |
3704 | } | |
3705 | ||
3706 | struct target_msgbuf { | |
1c54ff97 AJ |
3707 | abi_long mtype; |
3708 | char mtext[1]; | |
1bc012f6 TS |
3709 | }; |
3710 | ||
992f48a0 | 3711 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
edcc5f9d | 3712 | ssize_t msgsz, int msgflg) |
1bc012f6 TS |
3713 | { |
3714 | struct target_msgbuf *target_mb; | |
3715 | struct msgbuf *host_mb; | |
992f48a0 | 3716 | abi_long ret = 0; |
1bc012f6 | 3717 | |
edcc5f9d TM |
3718 | if (msgsz < 0) { |
3719 | return -TARGET_EINVAL; | |
3720 | } | |
3721 | ||
579a97f7 FB |
3722 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
3723 | return -TARGET_EFAULT; | |
0e173b24 | 3724 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
29e03fcb HZ |
3725 | if (!host_mb) { |
3726 | unlock_user_struct(target_mb, msgp, 0); | |
3727 | return -TARGET_ENOMEM; | |
3728 | } | |
cbb21eed | 3729 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 3730 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
524fa340 LV |
3731 | ret = -TARGET_ENOSYS; |
3732 | #ifdef __NR_msgsnd | |
89f9fe44 | 3733 | ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg)); |
524fa340 LV |
3734 | #endif |
3735 | #ifdef __NR_ipc | |
3736 | if (ret == -TARGET_ENOSYS) { | |
3737 | ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, | |
3738 | host_mb, 0)); | |
3739 | } | |
3740 | #endif | |
0e173b24 | 3741 | g_free(host_mb); |
1bc012f6 TS |
3742 | unlock_user_struct(target_mb, msgp, 0); |
3743 | ||
3744 | return ret; | |
3745 | } | |
3746 | ||
992f48a0 | 3747 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
99874f65 | 3748 | ssize_t msgsz, abi_long msgtyp, |
992f48a0 | 3749 | int msgflg) |
1bc012f6 TS |
3750 | { |
3751 | struct target_msgbuf *target_mb; | |
579a97f7 | 3752 | char *target_mtext; |
1bc012f6 | 3753 | struct msgbuf *host_mb; |
992f48a0 | 3754 | abi_long ret = 0; |
1bc012f6 | 3755 | |
99874f65 PM |
3756 | if (msgsz < 0) { |
3757 | return -TARGET_EINVAL; | |
3758 | } | |
3759 | ||
579a97f7 FB |
3760 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
3761 | return -TARGET_EFAULT; | |
1c54ff97 | 3762 | |
415d8471 PM |
3763 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
3764 | if (!host_mb) { | |
3765 | ret = -TARGET_ENOMEM; | |
3766 | goto end; | |
3767 | } | |
524fa340 LV |
3768 | ret = -TARGET_ENOSYS; |
3769 | #ifdef __NR_msgrcv | |
89f9fe44 | 3770 | ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
524fa340 LV |
3771 | #endif |
3772 | #ifdef __NR_ipc | |
3773 | if (ret == -TARGET_ENOSYS) { | |
3774 | ret = get_errno(safe_ipc(IPCOP_CALL(1, IPCOP_msgrcv), msqid, msgsz, | |
3775 | msgflg, host_mb, msgtyp)); | |
3776 | } | |
3777 | #endif | |
1c54ff97 | 3778 | |
579a97f7 FB |
3779 | if (ret > 0) { |
3780 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
3781 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
3782 | if (!target_mtext) { | |
3783 | ret = -TARGET_EFAULT; | |
3784 | goto end; | |
3785 | } | |
1c54ff97 | 3786 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
3787 | unlock_user(target_mtext, target_mtext_addr, ret); |
3788 | } | |
1c54ff97 | 3789 | |
cbb21eed | 3790 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 3791 | |
579a97f7 FB |
3792 | end: |
3793 | if (target_mb) | |
3794 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 3795 | g_free(host_mb); |
1bc012f6 TS |
3796 | return ret; |
3797 | } | |
3798 | ||
88a8c984 RV |
3799 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
3800 | abi_ulong target_addr) | |
3801 | { | |
3802 | struct target_shmid_ds *target_sd; | |
3803 | ||
3804 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
3805 | return -TARGET_EFAULT; | |
3806 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
3807 | return -TARGET_EFAULT; | |
3808 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
3809 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
3810 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
3811 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
3812 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
3813 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
3814 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
3815 | unlock_user_struct(target_sd, target_addr, 0); | |
3816 | return 0; | |
3817 | } | |
3818 | ||
3819 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
3820 | struct shmid_ds *host_sd) | |
3821 | { | |
3822 | struct target_shmid_ds *target_sd; | |
3823 | ||
3824 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
3825 | return -TARGET_EFAULT; | |
3826 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
3827 | return -TARGET_EFAULT; | |
3828 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
3829 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
3830 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
3831 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
3832 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
3833 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
3834 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
3835 | unlock_user_struct(target_sd, target_addr, 1); | |
3836 | return 0; | |
3837 | } | |
3838 | ||
3839 | struct target_shminfo { | |
3840 | abi_ulong shmmax; | |
3841 | abi_ulong shmmin; | |
3842 | abi_ulong shmmni; | |
3843 | abi_ulong shmseg; | |
3844 | abi_ulong shmall; | |
3845 | }; | |
3846 | ||
3847 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
3848 | struct shminfo *host_shminfo) | |
3849 | { | |
3850 | struct target_shminfo *target_shminfo; | |
3851 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
3852 | return -TARGET_EFAULT; | |
3853 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
3854 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
3855 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
3856 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
3857 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
3858 | unlock_user_struct(target_shminfo, target_addr, 1); | |
3859 | return 0; | |
3860 | } | |
3861 | ||
3862 | struct target_shm_info { | |
3863 | int used_ids; | |
3864 | abi_ulong shm_tot; | |
3865 | abi_ulong shm_rss; | |
3866 | abi_ulong shm_swp; | |
3867 | abi_ulong swap_attempts; | |
3868 | abi_ulong swap_successes; | |
3869 | }; | |
3870 | ||
3871 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
3872 | struct shm_info *host_shm_info) | |
3873 | { | |
3874 | struct target_shm_info *target_shm_info; | |
3875 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
3876 | return -TARGET_EFAULT; | |
3877 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
3878 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
3879 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
3880 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
3881 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
3882 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
3883 | unlock_user_struct(target_shm_info, target_addr, 1); | |
3884 | return 0; | |
3885 | } | |
3886 | ||
3887 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
3888 | { | |
3889 | struct shmid_ds dsarg; | |
3890 | struct shminfo shminfo; | |
3891 | struct shm_info shm_info; | |
3892 | abi_long ret = -TARGET_EINVAL; | |
3893 | ||
3894 | cmd &= 0xff; | |
3895 | ||
3896 | switch(cmd) { | |
3897 | case IPC_STAT: | |
3898 | case IPC_SET: | |
3899 | case SHM_STAT: | |
3900 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
3901 | return -TARGET_EFAULT; | |
3902 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
3903 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
3904 | return -TARGET_EFAULT; | |
3905 | break; | |
3906 | case IPC_INFO: | |
3907 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
3908 | if (host_to_target_shminfo(buf, &shminfo)) | |
3909 | return -TARGET_EFAULT; | |
3910 | break; | |
3911 | case SHM_INFO: | |
3912 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
3913 | if (host_to_target_shm_info(buf, &shm_info)) | |
3914 | return -TARGET_EFAULT; | |
3915 | break; | |
3916 | case IPC_RMID: | |
3917 | case SHM_LOCK: | |
3918 | case SHM_UNLOCK: | |
3919 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
3920 | break; | |
3921 | } | |
3922 | ||
3923 | return ret; | |
3924 | } | |
3925 | ||
ee8e7614 PM |
3926 | #ifndef TARGET_FORCE_SHMLBA |
3927 | /* For most architectures, SHMLBA is the same as the page size; | |
3928 | * some architectures have larger values, in which case they should | |
3929 | * define TARGET_FORCE_SHMLBA and provide a target_shmlba() function. | |
3930 | * This corresponds to the kernel arch code defining __ARCH_FORCE_SHMLBA | |
3931 | * and defining its own value for SHMLBA. | |
3932 | * | |
3933 | * The kernel also permits SHMLBA to be set by the architecture to a | |
3934 | * value larger than the page size without setting __ARCH_FORCE_SHMLBA; | |
3935 | * this means that addresses are rounded to the large size if | |
3936 | * SHM_RND is set but addresses not aligned to that size are not rejected | |
3937 | * as long as they are at least page-aligned. Since the only architecture | |
3938 | * which uses this is ia64 this code doesn't provide for that oddity. | |
3939 | */ | |
3940 | static inline abi_ulong target_shmlba(CPUArchState *cpu_env) | |
3941 | { | |
3942 | return TARGET_PAGE_SIZE; | |
3943 | } | |
3944 | #endif | |
3945 | ||
3946 | static inline abi_ulong do_shmat(CPUArchState *cpu_env, | |
3947 | int shmid, abi_ulong shmaddr, int shmflg) | |
88a8c984 RV |
3948 | { |
3949 | abi_long raddr; | |
3950 | void *host_raddr; | |
3951 | struct shmid_ds shm_info; | |
3952 | int i,ret; | |
ee8e7614 | 3953 | abi_ulong shmlba; |
88a8c984 RV |
3954 | |
3955 | /* find out the length of the shared memory segment */ | |
3956 | ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); | |
3957 | if (is_error(ret)) { | |
3958 | /* can't get length, bail out */ | |
3959 | return ret; | |
3960 | } | |
3961 | ||
ee8e7614 PM |
3962 | shmlba = target_shmlba(cpu_env); |
3963 | ||
3964 | if (shmaddr & (shmlba - 1)) { | |
3965 | if (shmflg & SHM_RND) { | |
3966 | shmaddr &= ~(shmlba - 1); | |
3967 | } else { | |
3968 | return -TARGET_EINVAL; | |
3969 | } | |
3970 | } | |
ebf9a363 MF |
3971 | if (!guest_range_valid(shmaddr, shm_info.shm_segsz)) { |
3972 | return -TARGET_EINVAL; | |
3973 | } | |
ee8e7614 | 3974 | |
88a8c984 RV |
3975 | mmap_lock(); |
3976 | ||
3977 | if (shmaddr) | |
3978 | host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg); | |
3979 | else { | |
3980 | abi_ulong mmap_start; | |
3981 | ||
30ab9ef2 RH |
3982 | /* In order to use the host shmat, we need to honor host SHMLBA. */ |
3983 | mmap_start = mmap_find_vma(0, shm_info.shm_segsz, MAX(SHMLBA, shmlba)); | |
88a8c984 RV |
3984 | |
3985 | if (mmap_start == -1) { | |
3986 | errno = ENOMEM; | |
3987 | host_raddr = (void *)-1; | |
3988 | } else | |
3989 | host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); | |
3990 | } | |
3991 | ||
3992 | if (host_raddr == (void *)-1) { | |
3993 | mmap_unlock(); | |
3994 | return get_errno((long)host_raddr); | |
3995 | } | |
3996 | raddr=h2g((unsigned long)host_raddr); | |
3997 | ||
3998 | page_set_flags(raddr, raddr + shm_info.shm_segsz, | |
3999 | PAGE_VALID | PAGE_READ | | |
4000 | ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE)); | |
4001 | ||
4002 | for (i = 0; i < N_SHM_REGIONS; i++) { | |
b6e17875 PM |
4003 | if (!shm_regions[i].in_use) { |
4004 | shm_regions[i].in_use = true; | |
88a8c984 RV |
4005 | shm_regions[i].start = raddr; |
4006 | shm_regions[i].size = shm_info.shm_segsz; | |
4007 | break; | |
4008 | } | |
4009 | } | |
4010 | ||
4011 | mmap_unlock(); | |
4012 | return raddr; | |
4013 | ||
4014 | } | |
4015 | ||
4016 | static inline abi_long do_shmdt(abi_ulong shmaddr) | |
4017 | { | |
4018 | int i; | |
3c5f6a5f MF |
4019 | abi_long rv; |
4020 | ||
4021 | mmap_lock(); | |
88a8c984 RV |
4022 | |
4023 | for (i = 0; i < N_SHM_REGIONS; ++i) { | |
b6e17875 PM |
4024 | if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) { |
4025 | shm_regions[i].in_use = false; | |
e00ac249 | 4026 | page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0); |
88a8c984 RV |
4027 | break; |
4028 | } | |
4029 | } | |
3c5f6a5f | 4030 | rv = get_errno(shmdt(g2h(shmaddr))); |
88a8c984 | 4031 | |
3c5f6a5f | 4032 | mmap_unlock(); |
88a8c984 | 4033 | |
3c5f6a5f | 4034 | return rv; |
88a8c984 RV |
4035 | } |
4036 | ||
1c54ff97 | 4037 | #ifdef TARGET_NR_ipc |
53a5960a | 4038 | /* ??? This only works with linear mappings. */ |
0da46a6e | 4039 | /* do_ipc() must return target values and target errnos. */ |
ee8e7614 PM |
4040 | static abi_long do_ipc(CPUArchState *cpu_env, |
4041 | unsigned int call, abi_long first, | |
37ed0956 | 4042 | abi_long second, abi_long third, |
992f48a0 | 4043 | abi_long ptr, abi_long fifth) |
8853f86e FB |
4044 | { |
4045 | int version; | |
992f48a0 | 4046 | abi_long ret = 0; |
8853f86e FB |
4047 | |
4048 | version = call >> 16; | |
4049 | call &= 0xffff; | |
4050 | ||
4051 | switch (call) { | |
fa294816 | 4052 | case IPCOP_semop: |
e5289087 | 4053 | ret = do_semop(first, ptr, second); |
fa294816 TS |
4054 | break; |
4055 | ||
4056 | case IPCOP_semget: | |
4057 | ret = get_errno(semget(first, second, third)); | |
4058 | break; | |
4059 | ||
5d2fa8eb TM |
4060 | case IPCOP_semctl: { |
4061 | /* The semun argument to semctl is passed by value, so dereference the | |
4062 | * ptr argument. */ | |
4063 | abi_ulong atptr; | |
37ed0956 | 4064 | get_user_ual(atptr, ptr); |
d1c002b6 | 4065 | ret = do_semctl(first, second, third, atptr); |
fa294816 | 4066 | break; |
5d2fa8eb | 4067 | } |
d96372ef | 4068 | |
1c54ff97 AJ |
4069 | case IPCOP_msgget: |
4070 | ret = get_errno(msgget(first, second)); | |
4071 | break; | |
d96372ef | 4072 | |
1c54ff97 AJ |
4073 | case IPCOP_msgsnd: |
4074 | ret = do_msgsnd(first, ptr, second, third); | |
4075 | break; | |
d96372ef | 4076 | |
1c54ff97 AJ |
4077 | case IPCOP_msgctl: |
4078 | ret = do_msgctl(first, second, ptr); | |
4079 | break; | |
d96372ef | 4080 | |
1c54ff97 AJ |
4081 | case IPCOP_msgrcv: |
4082 | switch (version) { | |
4083 | case 0: | |
4084 | { | |
4085 | struct target_ipc_kludge { | |
4086 | abi_long msgp; | |
4087 | abi_long msgtyp; | |
4088 | } *tmp; | |
4089 | ||
4090 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
4091 | ret = -TARGET_EFAULT; | |
4092 | break; | |
4093 | } | |
d96372ef | 4094 | |
79dd77de | 4095 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 4096 | |
1c54ff97 AJ |
4097 | unlock_user_struct(tmp, ptr, 0); |
4098 | break; | |
4099 | } | |
4100 | default: | |
4101 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
4102 | } | |
4103 | break; | |
d96372ef | 4104 | |
8853f86e | 4105 | case IPCOP_shmat: |
88a8c984 RV |
4106 | switch (version) { |
4107 | default: | |
5a4a898d FB |
4108 | { |
4109 | abi_ulong raddr; | |
ee8e7614 | 4110 | raddr = do_shmat(cpu_env, first, ptr, second); |
88a8c984 RV |
4111 | if (is_error(raddr)) |
4112 | return get_errno(raddr); | |
2f619698 | 4113 | if (put_user_ual(raddr, third)) |
5a4a898d | 4114 | return -TARGET_EFAULT; |
88a8c984 RV |
4115 | break; |
4116 | } | |
4117 | case 1: | |
4118 | ret = -TARGET_EINVAL; | |
4119 | break; | |
5a4a898d | 4120 | } |
8853f86e FB |
4121 | break; |
4122 | case IPCOP_shmdt: | |
88a8c984 | 4123 | ret = do_shmdt(ptr); |
8853f86e FB |
4124 | break; |
4125 | ||
4126 | case IPCOP_shmget: | |
4127 | /* IPC_* flag values are the same on all linux platforms */ | |
4128 | ret = get_errno(shmget(first, second, third)); | |
4129 | break; | |
4130 | ||
4131 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
4132 | case IPCOP_shmctl: | |
a2926784 | 4133 | ret = do_shmctl(first, second, ptr); |
8853f86e FB |
4134 | break; |
4135 | default: | |
32407103 | 4136 | gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); |
0da46a6e | 4137 | ret = -TARGET_ENOSYS; |
8853f86e FB |
4138 | break; |
4139 | } | |
4140 | return ret; | |
4141 | } | |
32407103 | 4142 | #endif |
8853f86e | 4143 | |
31e31b8a | 4144 | /* kernel structure types definitions */ |
31e31b8a | 4145 | |
001faf32 | 4146 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
4147 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
4148 | enum { | |
4149 | #include "syscall_types.h" | |
8be656b8 | 4150 | STRUCT_MAX |
31e31b8a FB |
4151 | }; |
4152 | #undef STRUCT | |
4153 | #undef STRUCT_SPECIAL | |
4154 | ||
001faf32 | 4155 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
4156 | #define STRUCT_SPECIAL(name) |
4157 | #include "syscall_types.h" | |
4158 | #undef STRUCT | |
4159 | #undef STRUCT_SPECIAL | |
4160 | ||
d2ef05bb PM |
4161 | typedef struct IOCTLEntry IOCTLEntry; |
4162 | ||
4163 | typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 4164 | int fd, int cmd, abi_long arg); |
d2ef05bb PM |
4165 | |
4166 | struct IOCTLEntry { | |
9c6bf9c7 | 4167 | int target_cmd; |
2ab83ea7 | 4168 | unsigned int host_cmd; |
31e31b8a FB |
4169 | const char *name; |
4170 | int access; | |
d2ef05bb | 4171 | do_ioctl_fn *do_ioctl; |
1a9353d2 | 4172 | const argtype arg_type[5]; |
d2ef05bb | 4173 | }; |
31e31b8a FB |
4174 | |
4175 | #define IOC_R 0x0001 | |
4176 | #define IOC_W 0x0002 | |
4177 | #define IOC_RW (IOC_R | IOC_W) | |
4178 | ||
4179 | #define MAX_STRUCT_SIZE 4096 | |
4180 | ||
dace20dc | 4181 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
4182 | /* So fiemap access checks don't overflow on 32 bit systems. |
4183 | * This is very slightly smaller than the limit imposed by | |
4184 | * the underlying kernel. | |
4185 | */ | |
4186 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
4187 | / sizeof(struct fiemap_extent)) | |
4188 | ||
4189 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 4190 | int fd, int cmd, abi_long arg) |
285da2b9 PM |
4191 | { |
4192 | /* The parameter for this ioctl is a struct fiemap followed | |
4193 | * by an array of struct fiemap_extent whose size is set | |
4194 | * in fiemap->fm_extent_count. The array is filled in by the | |
4195 | * ioctl. | |
4196 | */ | |
4197 | int target_size_in, target_size_out; | |
4198 | struct fiemap *fm; | |
4199 | const argtype *arg_type = ie->arg_type; | |
4200 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
4201 | void *argptr, *p; | |
4202 | abi_long ret; | |
4203 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
4204 | uint32_t outbufsz; | |
4205 | int free_fm = 0; | |
4206 | ||
4207 | assert(arg_type[0] == TYPE_PTR); | |
4208 | assert(ie->access == IOC_RW); | |
4209 | arg_type++; | |
4210 | target_size_in = thunk_type_size(arg_type, 0); | |
4211 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
4212 | if (!argptr) { | |
4213 | return -TARGET_EFAULT; | |
4214 | } | |
4215 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4216 | unlock_user(argptr, arg, 0); | |
4217 | fm = (struct fiemap *)buf_temp; | |
4218 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
4219 | return -TARGET_EINVAL; | |
4220 | } | |
4221 | ||
4222 | outbufsz = sizeof (*fm) + | |
4223 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
4224 | ||
4225 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4226 | /* We can't fit all the extents into the fixed size buffer. | |
4227 | * Allocate one that is large enough and use it instead. | |
4228 | */ | |
0e173b24 | 4229 | fm = g_try_malloc(outbufsz); |
285da2b9 PM |
4230 | if (!fm) { |
4231 | return -TARGET_ENOMEM; | |
4232 | } | |
4233 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
4234 | free_fm = 1; | |
4235 | } | |
49ca6f3e | 4236 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm)); |
285da2b9 PM |
4237 | if (!is_error(ret)) { |
4238 | target_size_out = target_size_in; | |
4239 | /* An extent_count of 0 means we were only counting the extents | |
4240 | * so there are no structs to copy | |
4241 | */ | |
4242 | if (fm->fm_extent_count != 0) { | |
4243 | target_size_out += fm->fm_mapped_extents * extent_size; | |
4244 | } | |
4245 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
4246 | if (!argptr) { | |
4247 | ret = -TARGET_EFAULT; | |
4248 | } else { | |
4249 | /* Convert the struct fiemap */ | |
4250 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
4251 | if (fm->fm_extent_count != 0) { | |
4252 | p = argptr + target_size_in; | |
4253 | /* ...and then all the struct fiemap_extents */ | |
4254 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
4255 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
4256 | THUNK_TARGET); | |
4257 | p += extent_size; | |
4258 | } | |
4259 | } | |
4260 | unlock_user(argptr, arg, target_size_out); | |
4261 | } | |
4262 | } | |
4263 | if (free_fm) { | |
0e173b24 | 4264 | g_free(fm); |
285da2b9 PM |
4265 | } |
4266 | return ret; | |
4267 | } | |
dace20dc | 4268 | #endif |
285da2b9 | 4269 | |
059c2f2c | 4270 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4271 | int fd, int cmd, abi_long arg) |
059c2f2c LV |
4272 | { |
4273 | const argtype *arg_type = ie->arg_type; | |
4274 | int target_size; | |
4275 | void *argptr; | |
4276 | int ret; | |
4277 | struct ifconf *host_ifconf; | |
4278 | uint32_t outbufsz; | |
4279 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
4280 | int target_ifreq_size; | |
4281 | int nb_ifreq; | |
4282 | int free_buf = 0; | |
4283 | int i; | |
4284 | int target_ifc_len; | |
4285 | abi_long target_ifc_buf; | |
4286 | int host_ifc_len; | |
4287 | char *host_ifc_buf; | |
4288 | ||
4289 | assert(arg_type[0] == TYPE_PTR); | |
4290 | assert(ie->access == IOC_RW); | |
4291 | ||
4292 | arg_type++; | |
4293 | target_size = thunk_type_size(arg_type, 0); | |
4294 | ||
4295 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4296 | if (!argptr) | |
4297 | return -TARGET_EFAULT; | |
4298 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4299 | unlock_user(argptr, arg, 0); | |
4300 | ||
4301 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
059c2f2c | 4302 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; |
059c2f2c | 4303 | target_ifreq_size = thunk_type_size(ifreq_arg_type, 0); |
059c2f2c | 4304 | |
22e4a267 KL |
4305 | if (target_ifc_buf != 0) { |
4306 | target_ifc_len = host_ifconf->ifc_len; | |
4307 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
4308 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
4309 | ||
4310 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
4311 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4312 | /* | |
4313 | * We can't fit all the extents into the fixed size buffer. | |
4314 | * Allocate one that is large enough and use it instead. | |
4315 | */ | |
4316 | host_ifconf = malloc(outbufsz); | |
4317 | if (!host_ifconf) { | |
4318 | return -TARGET_ENOMEM; | |
4319 | } | |
4320 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
4321 | free_buf = 1; | |
059c2f2c | 4322 | } |
22e4a267 | 4323 | host_ifc_buf = (char *)host_ifconf + sizeof(*host_ifconf); |
059c2f2c | 4324 | |
22e4a267 KL |
4325 | host_ifconf->ifc_len = host_ifc_len; |
4326 | } else { | |
4327 | host_ifc_buf = NULL; | |
4328 | } | |
059c2f2c LV |
4329 | host_ifconf->ifc_buf = host_ifc_buf; |
4330 | ||
49ca6f3e | 4331 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf)); |
059c2f2c LV |
4332 | if (!is_error(ret)) { |
4333 | /* convert host ifc_len to target ifc_len */ | |
4334 | ||
4335 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
4336 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
4337 | host_ifconf->ifc_len = target_ifc_len; | |
4338 | ||
4339 | /* restore target ifc_buf */ | |
4340 | ||
4341 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
4342 | ||
4343 | /* copy struct ifconf to target user */ | |
4344 | ||
4345 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4346 | if (!argptr) | |
4347 | return -TARGET_EFAULT; | |
4348 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
4349 | unlock_user(argptr, arg, target_size); | |
4350 | ||
22e4a267 KL |
4351 | if (target_ifc_buf != 0) { |
4352 | /* copy ifreq[] to target user */ | |
4353 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
4354 | for (i = 0; i < nb_ifreq ; i++) { | |
4355 | thunk_convert(argptr + i * target_ifreq_size, | |
4356 | host_ifc_buf + i * sizeof(struct ifreq), | |
4357 | ifreq_arg_type, THUNK_TARGET); | |
4358 | } | |
4359 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
059c2f2c | 4360 | } |
059c2f2c LV |
4361 | } |
4362 | ||
4363 | if (free_buf) { | |
4364 | free(host_ifconf); | |
4365 | } | |
4366 | ||
4367 | return ret; | |
4368 | } | |
4369 | ||
a133367e CT |
4370 | #if defined(CONFIG_USBFS) |
4371 | #if HOST_LONG_BITS > 64 | |
4372 | #error USBDEVFS thunks do not support >64 bit hosts yet. | |
4373 | #endif | |
4374 | struct live_urb { | |
4375 | uint64_t target_urb_adr; | |
4376 | uint64_t target_buf_adr; | |
4377 | char *target_buf_ptr; | |
4378 | struct usbdevfs_urb host_urb; | |
4379 | }; | |
4380 | ||
4381 | static GHashTable *usbdevfs_urb_hashtable(void) | |
4382 | { | |
4383 | static GHashTable *urb_hashtable; | |
4384 | ||
4385 | if (!urb_hashtable) { | |
4386 | urb_hashtable = g_hash_table_new(g_int64_hash, g_int64_equal); | |
4387 | } | |
4388 | return urb_hashtable; | |
4389 | } | |
4390 | ||
4391 | static void urb_hashtable_insert(struct live_urb *urb) | |
4392 | { | |
4393 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4394 | g_hash_table_insert(urb_hashtable, urb, urb); | |
4395 | } | |
4396 | ||
4397 | static struct live_urb *urb_hashtable_lookup(uint64_t target_urb_adr) | |
4398 | { | |
4399 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4400 | return g_hash_table_lookup(urb_hashtable, &target_urb_adr); | |
4401 | } | |
4402 | ||
4403 | static void urb_hashtable_remove(struct live_urb *urb) | |
4404 | { | |
4405 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4406 | g_hash_table_remove(urb_hashtable, urb); | |
4407 | } | |
4408 | ||
4409 | static abi_long | |
4410 | do_ioctl_usbdevfs_reapurb(const IOCTLEntry *ie, uint8_t *buf_temp, | |
4411 | int fd, int cmd, abi_long arg) | |
4412 | { | |
4413 | const argtype usbfsurb_arg_type[] = { MK_STRUCT(STRUCT_usbdevfs_urb) }; | |
4414 | const argtype ptrvoid_arg_type[] = { TYPE_PTRVOID, 0, 0 }; | |
4415 | struct live_urb *lurb; | |
4416 | void *argptr; | |
4417 | uint64_t hurb; | |
4418 | int target_size; | |
4419 | uintptr_t target_urb_adr; | |
4420 | abi_long ret; | |
4421 | ||
4422 | target_size = thunk_type_size(usbfsurb_arg_type, THUNK_TARGET); | |
4423 | ||
4424 | memset(buf_temp, 0, sizeof(uint64_t)); | |
4425 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); | |
4426 | if (is_error(ret)) { | |
4427 | return ret; | |
4428 | } | |
4429 | ||
4430 | memcpy(&hurb, buf_temp, sizeof(uint64_t)); | |
4431 | lurb = (void *)((uintptr_t)hurb - offsetof(struct live_urb, host_urb)); | |
4432 | if (!lurb->target_urb_adr) { | |
4433 | return -TARGET_EFAULT; | |
4434 | } | |
4435 | urb_hashtable_remove(lurb); | |
4436 | unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, | |
4437 | lurb->host_urb.buffer_length); | |
4438 | lurb->target_buf_ptr = NULL; | |
4439 | ||
4440 | /* restore the guest buffer pointer */ | |
4441 | lurb->host_urb.buffer = (void *)(uintptr_t)lurb->target_buf_adr; | |
4442 | ||
4443 | /* update the guest urb struct */ | |
4444 | argptr = lock_user(VERIFY_WRITE, lurb->target_urb_adr, target_size, 0); | |
4445 | if (!argptr) { | |
4446 | g_free(lurb); | |
4447 | return -TARGET_EFAULT; | |
4448 | } | |
4449 | thunk_convert(argptr, &lurb->host_urb, usbfsurb_arg_type, THUNK_TARGET); | |
4450 | unlock_user(argptr, lurb->target_urb_adr, target_size); | |
4451 | ||
4452 | target_size = thunk_type_size(ptrvoid_arg_type, THUNK_TARGET); | |
4453 | /* write back the urb handle */ | |
4454 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4455 | if (!argptr) { | |
4456 | g_free(lurb); | |
4457 | return -TARGET_EFAULT; | |
4458 | } | |
4459 | ||
4460 | /* GHashTable uses 64-bit keys but thunk_convert expects uintptr_t */ | |
4461 | target_urb_adr = lurb->target_urb_adr; | |
4462 | thunk_convert(argptr, &target_urb_adr, ptrvoid_arg_type, THUNK_TARGET); | |
4463 | unlock_user(argptr, arg, target_size); | |
4464 | ||
4465 | g_free(lurb); | |
4466 | return ret; | |
4467 | } | |
4468 | ||
4469 | static abi_long | |
4470 | do_ioctl_usbdevfs_discardurb(const IOCTLEntry *ie, | |
4471 | uint8_t *buf_temp __attribute__((unused)), | |
4472 | int fd, int cmd, abi_long arg) | |
4473 | { | |
4474 | struct live_urb *lurb; | |
4475 | ||
4476 | /* map target address back to host URB with metadata. */ | |
4477 | lurb = urb_hashtable_lookup(arg); | |
4478 | if (!lurb) { | |
4479 | return -TARGET_EFAULT; | |
4480 | } | |
4481 | return get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb)); | |
4482 | } | |
4483 | ||
4484 | static abi_long | |
4485 | do_ioctl_usbdevfs_submiturb(const IOCTLEntry *ie, uint8_t *buf_temp, | |
4486 | int fd, int cmd, abi_long arg) | |
4487 | { | |
4488 | const argtype *arg_type = ie->arg_type; | |
4489 | int target_size; | |
4490 | abi_long ret; | |
4491 | void *argptr; | |
4492 | int rw_dir; | |
4493 | struct live_urb *lurb; | |
4494 | ||
4495 | /* | |
4496 | * each submitted URB needs to map to a unique ID for the | |
4497 | * kernel, and that unique ID needs to be a pointer to | |
4498 | * host memory. hence, we need to malloc for each URB. | |
4499 | * isochronous transfers have a variable length struct. | |
4500 | */ | |
4501 | arg_type++; | |
4502 | target_size = thunk_type_size(arg_type, THUNK_TARGET); | |
4503 | ||
4504 | /* construct host copy of urb and metadata */ | |
4505 | lurb = g_try_malloc0(sizeof(struct live_urb)); | |
4506 | if (!lurb) { | |
4507 | return -TARGET_ENOMEM; | |
4508 | } | |
4509 | ||
4510 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4511 | if (!argptr) { | |
4512 | g_free(lurb); | |
4513 | return -TARGET_EFAULT; | |
4514 | } | |
4515 | thunk_convert(&lurb->host_urb, argptr, arg_type, THUNK_HOST); | |
4516 | unlock_user(argptr, arg, 0); | |
4517 | ||
4518 | lurb->target_urb_adr = arg; | |
4519 | lurb->target_buf_adr = (uintptr_t)lurb->host_urb.buffer; | |
4520 | ||
4521 | /* buffer space used depends on endpoint type so lock the entire buffer */ | |
4522 | /* control type urbs should check the buffer contents for true direction */ | |
4523 | rw_dir = lurb->host_urb.endpoint & USB_DIR_IN ? VERIFY_WRITE : VERIFY_READ; | |
4524 | lurb->target_buf_ptr = lock_user(rw_dir, lurb->target_buf_adr, | |
4525 | lurb->host_urb.buffer_length, 1); | |
4526 | if (lurb->target_buf_ptr == NULL) { | |
4527 | g_free(lurb); | |
4528 | return -TARGET_EFAULT; | |
4529 | } | |
4530 | ||
4531 | /* update buffer pointer in host copy */ | |
4532 | lurb->host_urb.buffer = lurb->target_buf_ptr; | |
4533 | ||
4534 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb)); | |
4535 | if (is_error(ret)) { | |
4536 | unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, 0); | |
4537 | g_free(lurb); | |
4538 | } else { | |
4539 | urb_hashtable_insert(lurb); | |
4540 | } | |
4541 | ||
4542 | return ret; | |
4543 | } | |
4544 | #endif /* CONFIG_USBFS */ | |
4545 | ||
56e904ec | 4546 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 4547 | int cmd, abi_long arg) |
56e904ec AG |
4548 | { |
4549 | void *argptr; | |
4550 | struct dm_ioctl *host_dm; | |
4551 | abi_long guest_data; | |
4552 | uint32_t guest_data_size; | |
4553 | int target_size; | |
4554 | const argtype *arg_type = ie->arg_type; | |
4555 | abi_long ret; | |
4556 | void *big_buf = NULL; | |
4557 | char *host_data; | |
4558 | ||
4559 | arg_type++; | |
4560 | target_size = thunk_type_size(arg_type, 0); | |
4561 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4562 | if (!argptr) { | |
4563 | ret = -TARGET_EFAULT; | |
4564 | goto out; | |
4565 | } | |
4566 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4567 | unlock_user(argptr, arg, 0); | |
4568 | ||
4569 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
4570 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
4571 | memcpy(big_buf, buf_temp, target_size); | |
4572 | buf_temp = big_buf; | |
4573 | host_dm = big_buf; | |
4574 | ||
4575 | guest_data = arg + host_dm->data_start; | |
4576 | if ((guest_data - arg) < 0) { | |
f9757b1d | 4577 | ret = -TARGET_EINVAL; |
56e904ec AG |
4578 | goto out; |
4579 | } | |
4580 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
4581 | host_data = (char*)host_dm + host_dm->data_start; | |
4582 | ||
4583 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3211215e PM |
4584 | if (!argptr) { |
4585 | ret = -TARGET_EFAULT; | |
4586 | goto out; | |
4587 | } | |
4588 | ||
56e904ec AG |
4589 | switch (ie->host_cmd) { |
4590 | case DM_REMOVE_ALL: | |
4591 | case DM_LIST_DEVICES: | |
4592 | case DM_DEV_CREATE: | |
4593 | case DM_DEV_REMOVE: | |
4594 | case DM_DEV_SUSPEND: | |
4595 | case DM_DEV_STATUS: | |
4596 | case DM_DEV_WAIT: | |
4597 | case DM_TABLE_STATUS: | |
4598 | case DM_TABLE_CLEAR: | |
4599 | case DM_TABLE_DEPS: | |
4600 | case DM_LIST_VERSIONS: | |
4601 | /* no input data */ | |
4602 | break; | |
4603 | case DM_DEV_RENAME: | |
4604 | case DM_DEV_SET_GEOMETRY: | |
4605 | /* data contains only strings */ | |
4606 | memcpy(host_data, argptr, guest_data_size); | |
4607 | break; | |
4608 | case DM_TARGET_MSG: | |
4609 | memcpy(host_data, argptr, guest_data_size); | |
4610 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
4611 | break; | |
4612 | case DM_TABLE_LOAD: | |
4613 | { | |
4614 | void *gspec = argptr; | |
4615 | void *cur_data = host_data; | |
4616 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
4617 | int spec_size = thunk_type_size(arg_type, 0); | |
4618 | int i; | |
4619 | ||
4620 | for (i = 0; i < host_dm->target_count; i++) { | |
4621 | struct dm_target_spec *spec = cur_data; | |
4622 | uint32_t next; | |
4623 | int slen; | |
4624 | ||
4625 | thunk_convert(spec, gspec, arg_type, THUNK_HOST); | |
4626 | slen = strlen((char*)gspec + spec_size) + 1; | |
4627 | next = spec->next; | |
4628 | spec->next = sizeof(*spec) + slen; | |
4629 | strcpy((char*)&spec[1], gspec + spec_size); | |
4630 | gspec += next; | |
4631 | cur_data += spec->next; | |
4632 | } | |
4633 | break; | |
4634 | } | |
4635 | default: | |
4636 | ret = -TARGET_EINVAL; | |
dec0473d | 4637 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
4638 | goto out; |
4639 | } | |
4640 | unlock_user(argptr, guest_data, 0); | |
4641 | ||
49ca6f3e | 4642 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
56e904ec AG |
4643 | if (!is_error(ret)) { |
4644 | guest_data = arg + host_dm->data_start; | |
4645 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
4646 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
4647 | switch (ie->host_cmd) { | |
4648 | case DM_REMOVE_ALL: | |
4649 | case DM_DEV_CREATE: | |
4650 | case DM_DEV_REMOVE: | |
4651 | case DM_DEV_RENAME: | |
4652 | case DM_DEV_SUSPEND: | |
4653 | case DM_DEV_STATUS: | |
4654 | case DM_TABLE_LOAD: | |
4655 | case DM_TABLE_CLEAR: | |
4656 | case DM_TARGET_MSG: | |
4657 | case DM_DEV_SET_GEOMETRY: | |
4658 | /* no return data */ | |
4659 | break; | |
4660 | case DM_LIST_DEVICES: | |
4661 | { | |
4662 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
4663 | uint32_t remaining_data = guest_data_size; | |
4664 | void *cur_data = argptr; | |
4665 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; | |
4666 | int nl_size = 12; /* can't use thunk_size due to alignment */ | |
4667 | ||
4668 | while (1) { | |
4669 | uint32_t next = nl->next; | |
4670 | if (next) { | |
4671 | nl->next = nl_size + (strlen(nl->name) + 1); | |
4672 | } | |
4673 | if (remaining_data < nl->next) { | |
4674 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
4675 | break; | |
4676 | } | |
4677 | thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); | |
4678 | strcpy(cur_data + nl_size, nl->name); | |
4679 | cur_data += nl->next; | |
4680 | remaining_data -= nl->next; | |
4681 | if (!next) { | |
4682 | break; | |
4683 | } | |
4684 | nl = (void*)nl + next; | |
4685 | } | |
4686 | break; | |
4687 | } | |
4688 | case DM_DEV_WAIT: | |
4689 | case DM_TABLE_STATUS: | |
4690 | { | |
4691 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
4692 | void *cur_data = argptr; | |
4693 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
4694 | int spec_size = thunk_type_size(arg_type, 0); | |
4695 | int i; | |
4696 | ||
4697 | for (i = 0; i < host_dm->target_count; i++) { | |
4698 | uint32_t next = spec->next; | |
4699 | int slen = strlen((char*)&spec[1]) + 1; | |
4700 | spec->next = (cur_data - argptr) + spec_size + slen; | |
4701 | if (guest_data_size < spec->next) { | |
4702 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
4703 | break; | |
4704 | } | |
4705 | thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); | |
4706 | strcpy(cur_data + spec_size, (char*)&spec[1]); | |
4707 | cur_data = argptr + spec->next; | |
4708 | spec = (void*)host_dm + host_dm->data_start + next; | |
4709 | } | |
4710 | break; | |
4711 | } | |
4712 | case DM_TABLE_DEPS: | |
4713 | { | |
4714 | void *hdata = (void*)host_dm + host_dm->data_start; | |
4715 | int count = *(uint32_t*)hdata; | |
4716 | uint64_t *hdev = hdata + 8; | |
4717 | uint64_t *gdev = argptr + 8; | |
4718 | int i; | |
4719 | ||
4720 | *(uint32_t*)argptr = tswap32(count); | |
4721 | for (i = 0; i < count; i++) { | |
4722 | *gdev = tswap64(*hdev); | |
4723 | gdev++; | |
4724 | hdev++; | |
4725 | } | |
4726 | break; | |
4727 | } | |
4728 | case DM_LIST_VERSIONS: | |
4729 | { | |
4730 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
4731 | uint32_t remaining_data = guest_data_size; | |
4732 | void *cur_data = argptr; | |
4733 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; | |
4734 | int vers_size = thunk_type_size(arg_type, 0); | |
4735 | ||
4736 | while (1) { | |
4737 | uint32_t next = vers->next; | |
4738 | if (next) { | |
4739 | vers->next = vers_size + (strlen(vers->name) + 1); | |
4740 | } | |
4741 | if (remaining_data < vers->next) { | |
4742 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
4743 | break; | |
4744 | } | |
4745 | thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); | |
4746 | strcpy(cur_data + vers_size, vers->name); | |
4747 | cur_data += vers->next; | |
4748 | remaining_data -= vers->next; | |
4749 | if (!next) { | |
4750 | break; | |
4751 | } | |
4752 | vers = (void*)vers + next; | |
4753 | } | |
4754 | break; | |
4755 | } | |
4756 | default: | |
dec0473d | 4757 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
4758 | ret = -TARGET_EINVAL; |
4759 | goto out; | |
4760 | } | |
4761 | unlock_user(argptr, guest_data, guest_data_size); | |
4762 | ||
4763 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4764 | if (!argptr) { | |
4765 | ret = -TARGET_EFAULT; | |
4766 | goto out; | |
4767 | } | |
4768 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
4769 | unlock_user(argptr, arg, target_size); | |
4770 | } | |
4771 | out: | |
ad11ad77 | 4772 | g_free(big_buf); |
56e904ec AG |
4773 | return ret; |
4774 | } | |
4775 | ||
a59b5e35 | 4776 | static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 4777 | int cmd, abi_long arg) |
a59b5e35 AG |
4778 | { |
4779 | void *argptr; | |
4780 | int target_size; | |
4781 | const argtype *arg_type = ie->arg_type; | |
4782 | const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) }; | |
4783 | abi_long ret; | |
4784 | ||
4785 | struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp; | |
4786 | struct blkpg_partition host_part; | |
4787 | ||
4788 | /* Read and convert blkpg */ | |
4789 | arg_type++; | |
4790 | target_size = thunk_type_size(arg_type, 0); | |
4791 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4792 | if (!argptr) { | |
4793 | ret = -TARGET_EFAULT; | |
4794 | goto out; | |
4795 | } | |
4796 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4797 | unlock_user(argptr, arg, 0); | |
4798 | ||
4799 | switch (host_blkpg->op) { | |
4800 | case BLKPG_ADD_PARTITION: | |
4801 | case BLKPG_DEL_PARTITION: | |
4802 | /* payload is struct blkpg_partition */ | |
4803 | break; | |
4804 | default: | |
4805 | /* Unknown opcode */ | |
4806 | ret = -TARGET_EINVAL; | |
4807 | goto out; | |
4808 | } | |
4809 | ||
4810 | /* Read and convert blkpg->data */ | |
4811 | arg = (abi_long)(uintptr_t)host_blkpg->data; | |
4812 | target_size = thunk_type_size(part_arg_type, 0); | |
4813 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4814 | if (!argptr) { | |
4815 | ret = -TARGET_EFAULT; | |
4816 | goto out; | |
4817 | } | |
4818 | thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST); | |
4819 | unlock_user(argptr, arg, 0); | |
4820 | ||
4821 | /* Swizzle the data pointer to our local copy and call! */ | |
4822 | host_blkpg->data = &host_part; | |
49ca6f3e | 4823 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg)); |
a59b5e35 AG |
4824 | |
4825 | out: | |
4826 | return ret; | |
4827 | } | |
4828 | ||
7ff7b666 | 4829 | static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4830 | int fd, int cmd, abi_long arg) |
7ff7b666 LV |
4831 | { |
4832 | const argtype *arg_type = ie->arg_type; | |
4833 | const StructEntry *se; | |
4834 | const argtype *field_types; | |
4835 | const int *dst_offsets, *src_offsets; | |
4836 | int target_size; | |
4837 | void *argptr; | |
b78c522a MAL |
4838 | abi_ulong *target_rt_dev_ptr = NULL; |
4839 | unsigned long *host_rt_dev_ptr = NULL; | |
7ff7b666 LV |
4840 | abi_long ret; |
4841 | int i; | |
4842 | ||
4843 | assert(ie->access == IOC_W); | |
4844 | assert(*arg_type == TYPE_PTR); | |
4845 | arg_type++; | |
4846 | assert(*arg_type == TYPE_STRUCT); | |
4847 | target_size = thunk_type_size(arg_type, 0); | |
4848 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4849 | if (!argptr) { | |
4850 | return -TARGET_EFAULT; | |
4851 | } | |
4852 | arg_type++; | |
4853 | assert(*arg_type == (int)STRUCT_rtentry); | |
4854 | se = struct_entries + *arg_type++; | |
4855 | assert(se->convert[0] == NULL); | |
4856 | /* convert struct here to be able to catch rt_dev string */ | |
4857 | field_types = se->field_types; | |
4858 | dst_offsets = se->field_offsets[THUNK_HOST]; | |
4859 | src_offsets = se->field_offsets[THUNK_TARGET]; | |
4860 | for (i = 0; i < se->nb_fields; i++) { | |
4861 | if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { | |
4862 | assert(*field_types == TYPE_PTRVOID); | |
4863 | target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]); | |
4864 | host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); | |
4865 | if (*target_rt_dev_ptr != 0) { | |
4866 | *host_rt_dev_ptr = (unsigned long)lock_user_string( | |
4867 | tswapal(*target_rt_dev_ptr)); | |
4868 | if (!*host_rt_dev_ptr) { | |
4869 | unlock_user(argptr, arg, 0); | |
4870 | return -TARGET_EFAULT; | |
4871 | } | |
4872 | } else { | |
4873 | *host_rt_dev_ptr = 0; | |
4874 | } | |
4875 | field_types++; | |
4876 | continue; | |
4877 | } | |
4878 | field_types = thunk_convert(buf_temp + dst_offsets[i], | |
4879 | argptr + src_offsets[i], | |
4880 | field_types, THUNK_HOST); | |
4881 | } | |
4882 | unlock_user(argptr, arg, 0); | |
4883 | ||
49ca6f3e | 4884 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
b78c522a MAL |
4885 | |
4886 | assert(host_rt_dev_ptr != NULL); | |
4887 | assert(target_rt_dev_ptr != NULL); | |
7ff7b666 LV |
4888 | if (*host_rt_dev_ptr != 0) { |
4889 | unlock_user((void *)*host_rt_dev_ptr, | |
4890 | *target_rt_dev_ptr, 0); | |
4891 | } | |
4892 | return ret; | |
4893 | } | |
4894 | ||
ca56f5b5 | 4895 | static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4896 | int fd, int cmd, abi_long arg) |
ca56f5b5 PB |
4897 | { |
4898 | int sig = target_to_host_signal(arg); | |
49ca6f3e | 4899 | return get_errno(safe_ioctl(fd, ie->host_cmd, sig)); |
ca56f5b5 PB |
4900 | } |
4901 | ||
2b74f621 AS |
4902 | #ifdef TIOCGPTPEER |
4903 | static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp, | |
4904 | int fd, int cmd, abi_long arg) | |
4905 | { | |
4906 | int flags = target_to_host_bitmask(arg, fcntl_flags_tbl); | |
4907 | return get_errno(safe_ioctl(fd, ie->host_cmd, flags)); | |
4908 | } | |
4909 | #endif | |
4910 | ||
9f106a75 | 4911 | static IOCTLEntry ioctl_entries[] = { |
001faf32 | 4912 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
4913 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
4914 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
4915 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
8cb762fe HD |
4916 | #define IOCTL_IGNORE(cmd) \ |
4917 | { TARGET_ ## cmd, 0, #cmd }, | |
31e31b8a FB |
4918 | #include "ioctls.h" |
4919 | { 0, 0, }, | |
4920 | }; | |
4921 | ||
53a5960a | 4922 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 4923 | /* do_ioctl() Must return target values and target errnos. */ |
45c874eb | 4924 | static abi_long do_ioctl(int fd, int cmd, abi_long arg) |
31e31b8a FB |
4925 | { |
4926 | const IOCTLEntry *ie; | |
4927 | const argtype *arg_type; | |
992f48a0 | 4928 | abi_long ret; |
31e31b8a | 4929 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
4930 | int target_size; |
4931 | void *argptr; | |
31e31b8a FB |
4932 | |
4933 | ie = ioctl_entries; | |
4934 | for(;;) { | |
4935 | if (ie->target_cmd == 0) { | |
32407103 | 4936 | gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
0da46a6e | 4937 | return -TARGET_ENOSYS; |
31e31b8a FB |
4938 | } |
4939 | if (ie->target_cmd == cmd) | |
4940 | break; | |
4941 | ie++; | |
4942 | } | |
4943 | arg_type = ie->arg_type; | |
d2ef05bb PM |
4944 | if (ie->do_ioctl) { |
4945 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
8cb762fe HD |
4946 | } else if (!ie->host_cmd) { |
4947 | /* Some architectures define BSD ioctls in their headers | |
4948 | that are not implemented in Linux. */ | |
4949 | return -TARGET_ENOSYS; | |
d2ef05bb PM |
4950 | } |
4951 | ||
31e31b8a FB |
4952 | switch(arg_type[0]) { |
4953 | case TYPE_NULL: | |
4954 | /* no argument */ | |
49ca6f3e | 4955 | ret = get_errno(safe_ioctl(fd, ie->host_cmd)); |
31e31b8a FB |
4956 | break; |
4957 | case TYPE_PTRVOID: | |
4958 | case TYPE_INT: | |
49ca6f3e | 4959 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg)); |
31e31b8a FB |
4960 | break; |
4961 | case TYPE_PTR: | |
4962 | arg_type++; | |
53a5960a | 4963 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
4964 | switch(ie->access) { |
4965 | case IOC_R: | |
49ca6f3e | 4966 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 4967 | if (!is_error(ret)) { |
579a97f7 FB |
4968 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
4969 | if (!argptr) | |
4970 | return -TARGET_EFAULT; | |
53a5960a PB |
4971 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
4972 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
4973 | } |
4974 | break; | |
4975 | case IOC_W: | |
579a97f7 FB |
4976 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
4977 | if (!argptr) | |
4978 | return -TARGET_EFAULT; | |
53a5960a PB |
4979 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
4980 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 4981 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a FB |
4982 | break; |
4983 | default: | |
4984 | case IOC_RW: | |
579a97f7 FB |
4985 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
4986 | if (!argptr) | |
4987 | return -TARGET_EFAULT; | |
53a5960a PB |
4988 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
4989 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 4990 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 4991 | if (!is_error(ret)) { |
579a97f7 FB |
4992 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
4993 | if (!argptr) | |
4994 | return -TARGET_EFAULT; | |
53a5960a PB |
4995 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
4996 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
4997 | } |
4998 | break; | |
4999 | } | |
5000 | break; | |
5001 | default: | |
32407103 JM |
5002 | gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", |
5003 | (long)cmd, arg_type[0]); | |
0da46a6e | 5004 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
5005 | break; |
5006 | } | |
5007 | return ret; | |
5008 | } | |
5009 | ||
b39bc503 | 5010 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
5011 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
5012 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
5013 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
5014 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
5015 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
5016 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
5017 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
5018 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
5019 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
5020 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
5021 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
5022 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
5023 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
5024 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
5025 | { 0, 0, 0, 0 } | |
5026 | }; | |
5027 | ||
b39bc503 | 5028 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
5029 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
5030 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
5031 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
5032 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
5033 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
5034 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
5035 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
5036 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
5037 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
5038 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
5039 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
5040 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
5041 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
5042 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
5043 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
5044 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
5045 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
5046 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
5047 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
5048 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
5049 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
5050 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
5051 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
5052 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
5053 | { 0, 0, 0, 0 } | |
5054 | }; | |
5055 | ||
b39bc503 | 5056 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
5057 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
5058 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
5059 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
5060 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
5061 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
5062 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
5063 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
5064 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
5065 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
5066 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
5067 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
5068 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
5069 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
5070 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
5071 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
5072 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
5073 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
5074 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
5075 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
5076 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
5077 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
5078 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
5079 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
5080 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
5081 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
5082 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
5083 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
5084 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
5085 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
5086 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
5087 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
5088 | { 0, 0, 0, 0 } | |
5089 | }; | |
5090 | ||
b39bc503 | 5091 | static const bitmask_transtbl lflag_tbl[] = { |
31e31b8a FB |
5092 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
5093 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
5094 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
5095 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
5096 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
5097 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
5098 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
5099 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
5100 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
5101 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
5102 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
5103 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
5104 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
5105 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
5106 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
5107 | { 0, 0, 0, 0 } | |
5108 | }; | |
5109 | ||
5110 | static void target_to_host_termios (void *dst, const void *src) | |
5111 | { | |
5112 | struct host_termios *host = dst; | |
5113 | const struct target_termios *target = src; | |
3b46e624 | 5114 | |
5fafdf24 | 5115 | host->c_iflag = |
31e31b8a | 5116 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 5117 | host->c_oflag = |
31e31b8a | 5118 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 5119 | host->c_cflag = |
31e31b8a | 5120 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 5121 | host->c_lflag = |
31e31b8a FB |
5122 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
5123 | host->c_line = target->c_line; | |
3b46e624 | 5124 | |
44607123 | 5125 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
5126 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
5127 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 5128 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 5129 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 5130 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 5131 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 5132 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 5133 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 5134 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
5135 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
5136 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
5137 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
5138 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
5139 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
5140 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
5141 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 5142 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 5143 | } |
3b46e624 | 5144 | |
31e31b8a FB |
5145 | static void host_to_target_termios (void *dst, const void *src) |
5146 | { | |
5147 | struct target_termios *target = dst; | |
5148 | const struct host_termios *host = src; | |
5149 | ||
5fafdf24 | 5150 | target->c_iflag = |
31e31b8a | 5151 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 5152 | target->c_oflag = |
31e31b8a | 5153 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 5154 | target->c_cflag = |
31e31b8a | 5155 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 5156 | target->c_lflag = |
31e31b8a FB |
5157 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
5158 | target->c_line = host->c_line; | |
3b46e624 | 5159 | |
44607123 | 5160 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
5161 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
5162 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
5163 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
5164 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
5165 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
5166 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
5167 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
5168 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
5169 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
5170 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
5171 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
5172 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
5173 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
5174 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
5175 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
5176 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
5177 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
5178 | } | |
5179 | ||
8e853dc7 | 5180 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
5181 | .convert = { host_to_target_termios, target_to_host_termios }, |
5182 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
5183 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
5184 | }; | |
5185 | ||
5286db75 | 5186 | static bitmask_transtbl mmap_flags_tbl[] = { |
541e1690 HD |
5187 | { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, |
5188 | { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, | |
5189 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, | |
5190 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, | |
5191 | MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
5192 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, | |
5193 | MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
5194 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, | |
5195 | MAP_DENYWRITE, MAP_DENYWRITE }, | |
5196 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, | |
5197 | MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
5198 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
5199 | { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, | |
5200 | MAP_NORESERVE, MAP_NORESERVE }, | |
5201 | { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB }, | |
5202 | /* MAP_STACK had been ignored by the kernel for quite some time. | |
5203 | Recognize it for the target insofar as we do not want to pass | |
5204 | it through to the host. */ | |
5205 | { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 }, | |
5206 | { 0, 0, 0, 0 } | |
5286db75 FB |
5207 | }; |
5208 | ||
2ab83ea7 | 5209 | #if defined(TARGET_I386) |
6dbad63e FB |
5210 | |
5211 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 5212 | static uint8_t *ldt_table; |
6dbad63e | 5213 | |
03acab66 | 5214 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
5215 | { |
5216 | int size; | |
53a5960a | 5217 | void *p; |
6dbad63e FB |
5218 | |
5219 | if (!ldt_table) | |
5220 | return 0; | |
5221 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
5222 | if (size > bytecount) | |
5223 | size = bytecount; | |
579a97f7 FB |
5224 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
5225 | if (!p) | |
03acab66 | 5226 | return -TARGET_EFAULT; |
579a97f7 | 5227 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
5228 | memcpy(p, ldt_table, size); |
5229 | unlock_user(p, ptr, size); | |
6dbad63e FB |
5230 | return size; |
5231 | } | |
5232 | ||
5233 | /* XXX: add locking support */ | |
03acab66 FB |
5234 | static abi_long write_ldt(CPUX86State *env, |
5235 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
5236 | { |
5237 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 5238 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 5239 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 5240 | int seg_not_present, useable, lm; |
6dbad63e FB |
5241 | uint32_t *lp, entry_1, entry_2; |
5242 | ||
5243 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 5244 | return -TARGET_EINVAL; |
579a97f7 | 5245 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 5246 | return -TARGET_EFAULT; |
53a5960a | 5247 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 5248 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
5249 | ldt_info.limit = tswap32(target_ldt_info->limit); |
5250 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
5251 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 5252 | |
6dbad63e | 5253 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 5254 | return -TARGET_EINVAL; |
6dbad63e FB |
5255 | seg_32bit = ldt_info.flags & 1; |
5256 | contents = (ldt_info.flags >> 1) & 3; | |
5257 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
5258 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
5259 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
5260 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
5261 | #ifdef TARGET_ABI32 |
5262 | lm = 0; | |
5263 | #else | |
5264 | lm = (ldt_info.flags >> 7) & 1; | |
5265 | #endif | |
6dbad63e FB |
5266 | if (contents == 3) { |
5267 | if (oldmode) | |
03acab66 | 5268 | return -TARGET_EINVAL; |
6dbad63e | 5269 | if (seg_not_present == 0) |
03acab66 | 5270 | return -TARGET_EINVAL; |
6dbad63e FB |
5271 | } |
5272 | /* allocate the LDT */ | |
5273 | if (!ldt_table) { | |
e441570f AZ |
5274 | env->ldt.base = target_mmap(0, |
5275 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
5276 | PROT_READ|PROT_WRITE, | |
5277 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
5278 | if (env->ldt.base == -1) | |
03acab66 | 5279 | return -TARGET_ENOMEM; |
e441570f AZ |
5280 | memset(g2h(env->ldt.base), 0, |
5281 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); | |
6dbad63e | 5282 | env->ldt.limit = 0xffff; |
e441570f | 5283 | ldt_table = g2h(env->ldt.base); |
6dbad63e FB |
5284 | } |
5285 | ||
5286 | /* NOTE: same code as Linux kernel */ | |
5287 | /* Allow LDTs to be cleared by the user. */ | |
5288 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
5289 | if (oldmode || | |
5290 | (contents == 0 && | |
5291 | read_exec_only == 1 && | |
5292 | seg_32bit == 0 && | |
5293 | limit_in_pages == 0 && | |
5294 | seg_not_present == 1 && | |
5295 | useable == 0 )) { | |
5296 | entry_1 = 0; | |
5297 | entry_2 = 0; | |
5298 | goto install; | |
5299 | } | |
5300 | } | |
3b46e624 | 5301 | |
6dbad63e FB |
5302 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
5303 | (ldt_info.limit & 0x0ffff); | |
5304 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
5305 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
5306 | (ldt_info.limit & 0xf0000) | | |
5307 | ((read_exec_only ^ 1) << 9) | | |
5308 | (contents << 10) | | |
5309 | ((seg_not_present ^ 1) << 15) | | |
5310 | (seg_32bit << 22) | | |
5311 | (limit_in_pages << 23) | | |
8d18e893 | 5312 | (lm << 21) | |
6dbad63e FB |
5313 | 0x7000; |
5314 | if (!oldmode) | |
5315 | entry_2 |= (useable << 20); | |
14ae3ba7 | 5316 | |
6dbad63e FB |
5317 | /* Install the new entry ... */ |
5318 | install: | |
5319 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
5320 | lp[0] = tswap32(entry_1); | |
5321 | lp[1] = tswap32(entry_2); | |
5322 | return 0; | |
5323 | } | |
5324 | ||
5325 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
5326 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
5327 | unsigned long bytecount) | |
6dbad63e | 5328 | { |
03acab66 | 5329 | abi_long ret; |
3b46e624 | 5330 | |
6dbad63e FB |
5331 | switch (func) { |
5332 | case 0: | |
5333 | ret = read_ldt(ptr, bytecount); | |
5334 | break; | |
5335 | case 1: | |
5336 | ret = write_ldt(env, ptr, bytecount, 1); | |
5337 | break; | |
5338 | case 0x11: | |
5339 | ret = write_ldt(env, ptr, bytecount, 0); | |
5340 | break; | |
03acab66 FB |
5341 | default: |
5342 | ret = -TARGET_ENOSYS; | |
5343 | break; | |
6dbad63e FB |
5344 | } |
5345 | return ret; | |
5346 | } | |
1b6b029e | 5347 | |
4583f589 | 5348 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
bc22eb44 | 5349 | abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
5350 | { |
5351 | uint64_t *gdt_table = g2h(env->gdt.base); | |
5352 | struct target_modify_ldt_ldt_s ldt_info; | |
5353 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
5354 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
5355 | int seg_not_present, useable, lm; | |
5356 | uint32_t *lp, entry_1, entry_2; | |
5357 | int i; | |
5358 | ||
5359 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
5360 | if (!target_ldt_info) | |
5361 | return -TARGET_EFAULT; | |
5362 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 5363 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
5364 | ldt_info.limit = tswap32(target_ldt_info->limit); |
5365 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
5366 | if (ldt_info.entry_number == -1) { | |
5367 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
5368 | if (gdt_table[i] == 0) { | |
5369 | ldt_info.entry_number = i; | |
5370 | target_ldt_info->entry_number = tswap32(i); | |
5371 | break; | |
5372 | } | |
5373 | } | |
5374 | } | |
5375 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5376 | ||
5377 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
5378 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
5379 | return -TARGET_EINVAL; | |
5380 | seg_32bit = ldt_info.flags & 1; | |
5381 | contents = (ldt_info.flags >> 1) & 3; | |
5382 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
5383 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
5384 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
5385 | useable = (ldt_info.flags >> 6) & 1; | |
5386 | #ifdef TARGET_ABI32 | |
5387 | lm = 0; | |
5388 | #else | |
5389 | lm = (ldt_info.flags >> 7) & 1; | |
5390 | #endif | |
5391 | ||
5392 | if (contents == 3) { | |
5393 | if (seg_not_present == 0) | |
5394 | return -TARGET_EINVAL; | |
5395 | } | |
5396 | ||
5397 | /* NOTE: same code as Linux kernel */ | |
5398 | /* Allow LDTs to be cleared by the user. */ | |
5399 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
5400 | if ((contents == 0 && | |
5401 | read_exec_only == 1 && | |
5402 | seg_32bit == 0 && | |
5403 | limit_in_pages == 0 && | |
5404 | seg_not_present == 1 && | |
5405 | useable == 0 )) { | |
5406 | entry_1 = 0; | |
5407 | entry_2 = 0; | |
5408 | goto install; | |
5409 | } | |
5410 | } | |
5411 | ||
5412 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
5413 | (ldt_info.limit & 0x0ffff); | |
5414 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
5415 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
5416 | (ldt_info.limit & 0xf0000) | | |
5417 | ((read_exec_only ^ 1) << 9) | | |
5418 | (contents << 10) | | |
5419 | ((seg_not_present ^ 1) << 15) | | |
5420 | (seg_32bit << 22) | | |
5421 | (limit_in_pages << 23) | | |
5422 | (useable << 20) | | |
5423 | (lm << 21) | | |
5424 | 0x7000; | |
5425 | ||
5426 | /* Install the new entry ... */ | |
5427 | install: | |
5428 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
5429 | lp[0] = tswap32(entry_1); | |
5430 | lp[1] = tswap32(entry_2); | |
5431 | return 0; | |
5432 | } | |
5433 | ||
8fcd3692 | 5434 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
5435 | { |
5436 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
5437 | uint64_t *gdt_table = g2h(env->gdt.base); | |
5438 | uint32_t base_addr, limit, flags; | |
5439 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
5440 | int seg_not_present, useable, lm; | |
5441 | uint32_t *lp, entry_1, entry_2; | |
5442 | ||
5443 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
5444 | if (!target_ldt_info) | |
5445 | return -TARGET_EFAULT; | |
5446 | idx = tswap32(target_ldt_info->entry_number); | |
5447 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
5448 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
5449 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5450 | return -TARGET_EINVAL; | |
5451 | } | |
5452 | lp = (uint32_t *)(gdt_table + idx); | |
5453 | entry_1 = tswap32(lp[0]); | |
5454 | entry_2 = tswap32(lp[1]); | |
5455 | ||
5456 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
5457 | contents = (entry_2 >> 10) & 3; | |
5458 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
5459 | seg_32bit = (entry_2 >> 22) & 1; | |
5460 | limit_in_pages = (entry_2 >> 23) & 1; | |
5461 | useable = (entry_2 >> 20) & 1; | |
5462 | #ifdef TARGET_ABI32 | |
5463 | lm = 0; | |
5464 | #else | |
5465 | lm = (entry_2 >> 21) & 1; | |
5466 | #endif | |
5467 | flags = (seg_32bit << 0) | (contents << 1) | | |
5468 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
5469 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
5470 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
5471 | base_addr = (entry_1 >> 16) | | |
5472 | (entry_2 & 0xff000000) | | |
5473 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 5474 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
5475 | target_ldt_info->limit = tswap32(limit); |
5476 | target_ldt_info->flags = tswap32(flags); | |
5477 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5478 | return 0; | |
5479 | } | |
4583f589 | 5480 | #endif /* TARGET_I386 && TARGET_ABI32 */ |
8d18e893 | 5481 | |
d2fd1af7 | 5482 | #ifndef TARGET_ABI32 |
2667e71c | 5483 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 5484 | { |
1add8698 | 5485 | abi_long ret = 0; |
d2fd1af7 FB |
5486 | abi_ulong val; |
5487 | int idx; | |
1add8698 | 5488 | |
d2fd1af7 FB |
5489 | switch(code) { |
5490 | case TARGET_ARCH_SET_GS: | |
5491 | case TARGET_ARCH_SET_FS: | |
5492 | if (code == TARGET_ARCH_SET_GS) | |
5493 | idx = R_GS; | |
5494 | else | |
5495 | idx = R_FS; | |
5496 | cpu_x86_load_seg(env, idx, 0); | |
5497 | env->segs[idx].base = addr; | |
5498 | break; | |
5499 | case TARGET_ARCH_GET_GS: | |
5500 | case TARGET_ARCH_GET_FS: | |
5501 | if (code == TARGET_ARCH_GET_GS) | |
5502 | idx = R_GS; | |
5503 | else | |
5504 | idx = R_FS; | |
5505 | val = env->segs[idx].base; | |
5506 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 5507 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
5508 | break; |
5509 | default: | |
5510 | ret = -TARGET_EINVAL; | |
5511 | break; | |
5512 | } | |
1add8698 | 5513 | return ret; |
d2fd1af7 FB |
5514 | } |
5515 | #endif | |
5516 | ||
2ab83ea7 FB |
5517 | #endif /* defined(TARGET_I386) */ |
5518 | ||
05098a93 | 5519 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 5520 | |
d865bab5 PB |
5521 | |
5522 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
5523 | typedef struct { | |
9349b4f9 | 5524 | CPUArchState *env; |
d865bab5 PB |
5525 | pthread_mutex_t mutex; |
5526 | pthread_cond_t cond; | |
5527 | pthread_t thread; | |
5528 | uint32_t tid; | |
5529 | abi_ulong child_tidptr; | |
5530 | abi_ulong parent_tidptr; | |
5531 | sigset_t sigmask; | |
5532 | } new_thread_info; | |
5533 | ||
5534 | static void *clone_func(void *arg) | |
5535 | { | |
5536 | new_thread_info *info = arg; | |
9349b4f9 | 5537 | CPUArchState *env; |
0d34282f | 5538 | CPUState *cpu; |
edf8e2af | 5539 | TaskState *ts; |
d865bab5 | 5540 | |
70903763 | 5541 | rcu_register_thread(); |
3468b59e | 5542 | tcg_register_thread(); |
d865bab5 | 5543 | env = info->env; |
29a0af61 | 5544 | cpu = env_cpu(env); |
a2247f8e | 5545 | thread_cpu = cpu; |
0429a971 | 5546 | ts = (TaskState *)cpu->opaque; |
71ba74f6 | 5547 | info->tid = sys_gettid(); |
edf8e2af | 5548 | task_settid(ts); |
d865bab5 PB |
5549 | if (info->child_tidptr) |
5550 | put_user_u32(info->tid, info->child_tidptr); | |
5551 | if (info->parent_tidptr) | |
5552 | put_user_u32(info->tid, info->parent_tidptr); | |
5ebdd774 | 5553 | qemu_guest_random_seed_thread_part2(cpu->random_seed); |
d865bab5 PB |
5554 | /* Enable signals. */ |
5555 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
5556 | /* Signal to the parent that we're ready. */ | |
5557 | pthread_mutex_lock(&info->mutex); | |
5558 | pthread_cond_broadcast(&info->cond); | |
5559 | pthread_mutex_unlock(&info->mutex); | |
a4dd3d51 | 5560 | /* Wait until the parent has finished initializing the tls state. */ |
d865bab5 PB |
5561 | pthread_mutex_lock(&clone_lock); |
5562 | pthread_mutex_unlock(&clone_lock); | |
5563 | cpu_loop(env); | |
5564 | /* never exits */ | |
5565 | return NULL; | |
5566 | } | |
1b6b029e | 5567 | |
0da46a6e TS |
5568 | /* do_fork() Must return host values and target errnos (unlike most |
5569 | do_*() functions). */ | |
9349b4f9 | 5570 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
5571 | abi_ulong parent_tidptr, target_ulong newtls, |
5572 | abi_ulong child_tidptr) | |
1b6b029e | 5573 | { |
29a0af61 | 5574 | CPUState *cpu = env_cpu(env); |
1b6b029e | 5575 | int ret; |
5cd4393b | 5576 | TaskState *ts; |
0429a971 | 5577 | CPUState *new_cpu; |
9349b4f9 | 5578 | CPUArchState *new_env; |
d865bab5 | 5579 | sigset_t sigmask; |
3b46e624 | 5580 | |
5ea2fc84 PM |
5581 | flags &= ~CLONE_IGNORED_FLAGS; |
5582 | ||
436d124b AZ |
5583 | /* Emulate vfork() with fork() */ |
5584 | if (flags & CLONE_VFORK) | |
5585 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
5586 | ||
1b6b029e | 5587 | if (flags & CLONE_VM) { |
0429a971 | 5588 | TaskState *parent_ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
5589 | new_thread_info info; |
5590 | pthread_attr_t attr; | |
24cb36a6 | 5591 | |
5ea2fc84 PM |
5592 | if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) || |
5593 | (flags & CLONE_INVALID_THREAD_FLAGS)) { | |
5594 | return -TARGET_EINVAL; | |
5595 | } | |
5596 | ||
c78d65e8 | 5597 | ts = g_new0(TaskState, 1); |
624f7979 | 5598 | init_task_state(ts); |
73a988d9 MF |
5599 | |
5600 | /* Grab a mutex so that thread setup appears atomic. */ | |
5601 | pthread_mutex_lock(&clone_lock); | |
5602 | ||
1b6b029e | 5603 | /* we create a new CPU instance. */ |
c5be9f08 | 5604 | new_env = cpu_copy(env); |
6e68e076 PB |
5605 | /* Init regs that differ from the parent. */ |
5606 | cpu_clone_regs(new_env, newsp); | |
29a0af61 | 5607 | new_cpu = env_cpu(new_env); |
0429a971 | 5608 | new_cpu->opaque = ts; |
edf8e2af MW |
5609 | ts->bprm = parent_ts->bprm; |
5610 | ts->info = parent_ts->info; | |
3d3efba0 | 5611 | ts->signal_mask = parent_ts->signal_mask; |
d865bab5 | 5612 | |
7cfbd386 | 5613 | if (flags & CLONE_CHILD_CLEARTID) { |
c2764719 PB |
5614 | ts->child_tidptr = child_tidptr; |
5615 | } | |
5616 | ||
7cfbd386 | 5617 | if (flags & CLONE_SETTLS) { |
d865bab5 | 5618 | cpu_set_tls (new_env, newtls); |
7cfbd386 | 5619 | } |
d865bab5 | 5620 | |
d865bab5 PB |
5621 | memset(&info, 0, sizeof(info)); |
5622 | pthread_mutex_init(&info.mutex, NULL); | |
5623 | pthread_mutex_lock(&info.mutex); | |
5624 | pthread_cond_init(&info.cond, NULL); | |
5625 | info.env = new_env; | |
7cfbd386 | 5626 | if (flags & CLONE_CHILD_SETTID) { |
d865bab5 | 5627 | info.child_tidptr = child_tidptr; |
7cfbd386 PM |
5628 | } |
5629 | if (flags & CLONE_PARENT_SETTID) { | |
d865bab5 | 5630 | info.parent_tidptr = parent_tidptr; |
7cfbd386 | 5631 | } |
d865bab5 PB |
5632 | |
5633 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
5634 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
5635 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
5636 | /* It is not safe to deliver signals until the child has finished |
5637 | initializing, so temporarily block all signals. */ | |
5638 | sigfillset(&sigmask); | |
5639 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
5ebdd774 | 5640 | cpu->random_seed = qemu_guest_random_seed_thread_part1(); |
d865bab5 | 5641 | |
b67cb68b AB |
5642 | /* If this is our first additional thread, we need to ensure we |
5643 | * generate code for parallel execution and flush old translations. | |
5644 | */ | |
5645 | if (!parallel_cpus) { | |
5646 | parallel_cpus = true; | |
5647 | tb_flush(cpu); | |
5648 | } | |
5649 | ||
d865bab5 | 5650 | ret = pthread_create(&info.thread, &attr, clone_func, &info); |
c2764719 | 5651 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
5652 | |
5653 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
5654 | pthread_attr_destroy(&attr); | |
5655 | if (ret == 0) { | |
5656 | /* Wait for the child to initialize. */ | |
5657 | pthread_cond_wait(&info.cond, &info.mutex); | |
5658 | ret = info.tid; | |
d865bab5 PB |
5659 | } else { |
5660 | ret = -1; | |
5661 | } | |
5662 | pthread_mutex_unlock(&info.mutex); | |
5663 | pthread_cond_destroy(&info.cond); | |
5664 | pthread_mutex_destroy(&info.mutex); | |
5665 | pthread_mutex_unlock(&clone_lock); | |
1b6b029e FB |
5666 | } else { |
5667 | /* if no CLONE_VM, we consider it is a fork */ | |
5ea2fc84 PM |
5668 | if (flags & CLONE_INVALID_FORK_FLAGS) { |
5669 | return -TARGET_EINVAL; | |
5670 | } | |
5671 | ||
5672 | /* We can't support custom termination signals */ | |
5673 | if ((flags & CSIGNAL) != TARGET_SIGCHLD) { | |
93b4eff8 TB |
5674 | return -TARGET_EINVAL; |
5675 | } | |
7d92d34e TB |
5676 | |
5677 | if (block_signals()) { | |
5678 | return -TARGET_ERESTARTSYS; | |
5679 | } | |
5680 | ||
d865bab5 | 5681 | fork_start(); |
1b6b029e | 5682 | ret = fork(); |
d865bab5 | 5683 | if (ret == 0) { |
2b1319c8 | 5684 | /* Child Process. */ |
d865bab5 PB |
5685 | cpu_clone_regs(env, newsp); |
5686 | fork_end(1); | |
2b1319c8 AJ |
5687 | /* There is a race condition here. The parent process could |
5688 | theoretically read the TID in the child process before the child | |
5689 | tid is set. This would require using either ptrace | |
5690 | (not implemented) or having *_tidptr to point at a shared memory | |
5691 | mapping. We can't repeat the spinlock hack used above because | |
5692 | the child process gets its own copy of the lock. */ | |
d865bab5 | 5693 | if (flags & CLONE_CHILD_SETTID) |
71ba74f6 | 5694 | put_user_u32(sys_gettid(), child_tidptr); |
d865bab5 | 5695 | if (flags & CLONE_PARENT_SETTID) |
71ba74f6 | 5696 | put_user_u32(sys_gettid(), parent_tidptr); |
0429a971 | 5697 | ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
5698 | if (flags & CLONE_SETTLS) |
5699 | cpu_set_tls (env, newtls); | |
c2764719 PB |
5700 | if (flags & CLONE_CHILD_CLEARTID) |
5701 | ts->child_tidptr = child_tidptr; | |
d865bab5 PB |
5702 | } else { |
5703 | fork_end(0); | |
5704 | } | |
1b6b029e FB |
5705 | } |
5706 | return ret; | |
5707 | } | |
5708 | ||
5f106811 APR |
5709 | /* warning : doesn't handle linux specific flags... */ |
5710 | static int target_to_host_fcntl_cmd(int cmd) | |
5711 | { | |
4a545761 SB |
5712 | int ret; |
5713 | ||
5f106811 | 5714 | switch(cmd) { |
4a545761 SB |
5715 | case TARGET_F_DUPFD: |
5716 | case TARGET_F_GETFD: | |
5717 | case TARGET_F_SETFD: | |
5718 | case TARGET_F_GETFL: | |
5719 | case TARGET_F_SETFL: | |
5720 | ret = cmd; | |
5721 | break; | |
5722 | case TARGET_F_GETLK: | |
5723 | ret = F_GETLK64; | |
5724 | break; | |
5725 | case TARGET_F_SETLK: | |
5726 | ret = F_SETLK64; | |
5727 | break; | |
5728 | case TARGET_F_SETLKW: | |
5729 | ret = F_SETLKW64; | |
5730 | break; | |
5731 | case TARGET_F_GETOWN: | |
5732 | ret = F_GETOWN; | |
5733 | break; | |
5734 | case TARGET_F_SETOWN: | |
5735 | ret = F_SETOWN; | |
5736 | break; | |
5737 | case TARGET_F_GETSIG: | |
5738 | ret = F_GETSIG; | |
5739 | break; | |
5740 | case TARGET_F_SETSIG: | |
5741 | ret = F_SETSIG; | |
5742 | break; | |
5f106811 | 5743 | #if TARGET_ABI_BITS == 32 |
4a545761 SB |
5744 | case TARGET_F_GETLK64: |
5745 | ret = F_GETLK64; | |
5746 | break; | |
5747 | case TARGET_F_SETLK64: | |
5748 | ret = F_SETLK64; | |
5749 | break; | |
5750 | case TARGET_F_SETLKW64: | |
5751 | ret = F_SETLKW64; | |
5752 | break; | |
5f106811 | 5753 | #endif |
4a545761 SB |
5754 | case TARGET_F_SETLEASE: |
5755 | ret = F_SETLEASE; | |
5756 | break; | |
5757 | case TARGET_F_GETLEASE: | |
5758 | ret = F_GETLEASE; | |
5759 | break; | |
fbd5de9b | 5760 | #ifdef F_DUPFD_CLOEXEC |
4a545761 SB |
5761 | case TARGET_F_DUPFD_CLOEXEC: |
5762 | ret = F_DUPFD_CLOEXEC; | |
5763 | break; | |
fbd5de9b | 5764 | #endif |
4a545761 SB |
5765 | case TARGET_F_NOTIFY: |
5766 | ret = F_NOTIFY; | |
5767 | break; | |
8d5d3004 | 5768 | #ifdef F_GETOWN_EX |
4a545761 SB |
5769 | case TARGET_F_GETOWN_EX: |
5770 | ret = F_GETOWN_EX; | |
5771 | break; | |
8d5d3004 AS |
5772 | #endif |
5773 | #ifdef F_SETOWN_EX | |
4a545761 SB |
5774 | case TARGET_F_SETOWN_EX: |
5775 | ret = F_SETOWN_EX; | |
5776 | break; | |
8d5d3004 | 5777 | #endif |
ddf31aa8 | 5778 | #ifdef F_SETPIPE_SZ |
4a545761 SB |
5779 | case TARGET_F_SETPIPE_SZ: |
5780 | ret = F_SETPIPE_SZ; | |
5781 | break; | |
5782 | case TARGET_F_GETPIPE_SZ: | |
5783 | ret = F_GETPIPE_SZ; | |
5784 | break; | |
ddf31aa8 | 5785 | #endif |
4a545761 SB |
5786 | default: |
5787 | ret = -TARGET_EINVAL; | |
5788 | break; | |
5789 | } | |
5790 | ||
5791 | #if defined(__powerpc64__) | |
5792 | /* On PPC64, glibc headers has the F_*LK* defined to 12, 13 and 14 and | |
5793 | * is not supported by kernel. The glibc fcntl call actually adjusts | |
5794 | * them to 5, 6 and 7 before making the syscall(). Since we make the | |
5795 | * syscall directly, adjust to what is supported by the kernel. | |
5796 | */ | |
5797 | if (ret >= F_GETLK64 && ret <= F_SETLKW64) { | |
5798 | ret -= F_GETLK64 - 5; | |
5f106811 | 5799 | } |
4a545761 SB |
5800 | #endif |
5801 | ||
5802 | return ret; | |
5f106811 APR |
5803 | } |
5804 | ||
ae68ad9f LV |
5805 | #define FLOCK_TRANSTBL \ |
5806 | switch (type) { \ | |
5807 | TRANSTBL_CONVERT(F_RDLCK); \ | |
5808 | TRANSTBL_CONVERT(F_WRLCK); \ | |
5809 | TRANSTBL_CONVERT(F_UNLCK); \ | |
5810 | TRANSTBL_CONVERT(F_EXLCK); \ | |
5811 | TRANSTBL_CONVERT(F_SHLCK); \ | |
5812 | } | |
5813 | ||
5814 | static int target_to_host_flock(int type) | |
5815 | { | |
5816 | #define TRANSTBL_CONVERT(a) case TARGET_##a: return a | |
5817 | FLOCK_TRANSTBL | |
5818 | #undef TRANSTBL_CONVERT | |
5819 | return -TARGET_EINVAL; | |
5820 | } | |
5821 | ||
5822 | static int host_to_target_flock(int type) | |
5823 | { | |
5824 | #define TRANSTBL_CONVERT(a) case a: return TARGET_##a | |
5825 | FLOCK_TRANSTBL | |
5826 | #undef TRANSTBL_CONVERT | |
5827 | /* if we don't know how to convert the value coming | |
5828 | * from the host we copy to the target field as-is | |
5829 | */ | |
5830 | return type; | |
5831 | } | |
2ba7f730 | 5832 | |
213d3e9e PM |
5833 | static inline abi_long copy_from_user_flock(struct flock64 *fl, |
5834 | abi_ulong target_flock_addr) | |
7775e9ec | 5835 | { |
53a5960a | 5836 | struct target_flock *target_fl; |
ae68ad9f | 5837 | int l_type; |
213d3e9e PM |
5838 | |
5839 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
5840 | return -TARGET_EFAULT; | |
5841 | } | |
5842 | ||
5843 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
5844 | l_type = target_to_host_flock(l_type); |
5845 | if (l_type < 0) { | |
5846 | return l_type; | |
5847 | } | |
5848 | fl->l_type = l_type; | |
213d3e9e PM |
5849 | __get_user(fl->l_whence, &target_fl->l_whence); |
5850 | __get_user(fl->l_start, &target_fl->l_start); | |
5851 | __get_user(fl->l_len, &target_fl->l_len); | |
5852 | __get_user(fl->l_pid, &target_fl->l_pid); | |
5853 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
5854 | return 0; | |
5855 | } | |
5856 | ||
5857 | static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr, | |
5858 | const struct flock64 *fl) | |
5859 | { | |
5860 | struct target_flock *target_fl; | |
5861 | short l_type; | |
5862 | ||
5863 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
5864 | return -TARGET_EFAULT; | |
5865 | } | |
5866 | ||
ae68ad9f | 5867 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
5868 | __put_user(l_type, &target_fl->l_type); |
5869 | __put_user(fl->l_whence, &target_fl->l_whence); | |
5870 | __put_user(fl->l_start, &target_fl->l_start); | |
5871 | __put_user(fl->l_len, &target_fl->l_len); | |
5872 | __put_user(fl->l_pid, &target_fl->l_pid); | |
5873 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
5874 | return 0; | |
5875 | } | |
5876 | ||
5877 | typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr); | |
5878 | typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl); | |
5879 | ||
5880 | #if defined(TARGET_ARM) && TARGET_ABI_BITS == 32 | |
7f254c5c | 5881 | static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl, |
213d3e9e PM |
5882 | abi_ulong target_flock_addr) |
5883 | { | |
7f254c5c | 5884 | struct target_oabi_flock64 *target_fl; |
ae68ad9f | 5885 | int l_type; |
213d3e9e PM |
5886 | |
5887 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
5888 | return -TARGET_EFAULT; | |
5889 | } | |
5890 | ||
5891 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
5892 | l_type = target_to_host_flock(l_type); |
5893 | if (l_type < 0) { | |
5894 | return l_type; | |
5895 | } | |
5896 | fl->l_type = l_type; | |
213d3e9e PM |
5897 | __get_user(fl->l_whence, &target_fl->l_whence); |
5898 | __get_user(fl->l_start, &target_fl->l_start); | |
5899 | __get_user(fl->l_len, &target_fl->l_len); | |
5900 | __get_user(fl->l_pid, &target_fl->l_pid); | |
5901 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
5902 | return 0; | |
5903 | } | |
5904 | ||
7f254c5c | 5905 | static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr, |
213d3e9e PM |
5906 | const struct flock64 *fl) |
5907 | { | |
7f254c5c | 5908 | struct target_oabi_flock64 *target_fl; |
213d3e9e PM |
5909 | short l_type; |
5910 | ||
5911 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
5912 | return -TARGET_EFAULT; | |
5913 | } | |
5914 | ||
ae68ad9f | 5915 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
5916 | __put_user(l_type, &target_fl->l_type); |
5917 | __put_user(fl->l_whence, &target_fl->l_whence); | |
5918 | __put_user(fl->l_start, &target_fl->l_start); | |
5919 | __put_user(fl->l_len, &target_fl->l_len); | |
5920 | __put_user(fl->l_pid, &target_fl->l_pid); | |
5921 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
5922 | return 0; | |
5923 | } | |
5924 | #endif | |
5925 | ||
5926 | static inline abi_long copy_from_user_flock64(struct flock64 *fl, | |
5927 | abi_ulong target_flock_addr) | |
5928 | { | |
5929 | struct target_flock64 *target_fl; | |
ae68ad9f | 5930 | int l_type; |
213d3e9e PM |
5931 | |
5932 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
5933 | return -TARGET_EFAULT; | |
5934 | } | |
5935 | ||
5936 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
5937 | l_type = target_to_host_flock(l_type); |
5938 | if (l_type < 0) { | |
5939 | return l_type; | |
5940 | } | |
5941 | fl->l_type = l_type; | |
213d3e9e PM |
5942 | __get_user(fl->l_whence, &target_fl->l_whence); |
5943 | __get_user(fl->l_start, &target_fl->l_start); | |
5944 | __get_user(fl->l_len, &target_fl->l_len); | |
5945 | __get_user(fl->l_pid, &target_fl->l_pid); | |
5946 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
5947 | return 0; | |
5948 | } | |
5949 | ||
5950 | static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr, | |
5951 | const struct flock64 *fl) | |
5952 | { | |
5953 | struct target_flock64 *target_fl; | |
5954 | short l_type; | |
5955 | ||
5956 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
5957 | return -TARGET_EFAULT; | |
5958 | } | |
5959 | ||
ae68ad9f | 5960 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
5961 | __put_user(l_type, &target_fl->l_type); |
5962 | __put_user(fl->l_whence, &target_fl->l_whence); | |
5963 | __put_user(fl->l_start, &target_fl->l_start); | |
5964 | __put_user(fl->l_len, &target_fl->l_len); | |
5965 | __put_user(fl->l_pid, &target_fl->l_pid); | |
5966 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
5967 | return 0; | |
5968 | } | |
5969 | ||
5970 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) | |
5971 | { | |
43f238d7 | 5972 | struct flock64 fl64; |
8d5d3004 AS |
5973 | #ifdef F_GETOWN_EX |
5974 | struct f_owner_ex fox; | |
5975 | struct target_f_owner_ex *target_fox; | |
5976 | #endif | |
992f48a0 | 5977 | abi_long ret; |
5f106811 APR |
5978 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
5979 | ||
5980 | if (host_cmd == -TARGET_EINVAL) | |
5981 | return host_cmd; | |
53a5960a | 5982 | |
7775e9ec FB |
5983 | switch(cmd) { |
5984 | case TARGET_F_GETLK: | |
213d3e9e PM |
5985 | ret = copy_from_user_flock(&fl64, arg); |
5986 | if (ret) { | |
5987 | return ret; | |
5988 | } | |
435da5e7 | 5989 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 5990 | if (ret == 0) { |
213d3e9e | 5991 | ret = copy_to_user_flock(arg, &fl64); |
7775e9ec FB |
5992 | } |
5993 | break; | |
3b46e624 | 5994 | |
7775e9ec FB |
5995 | case TARGET_F_SETLK: |
5996 | case TARGET_F_SETLKW: | |
213d3e9e PM |
5997 | ret = copy_from_user_flock(&fl64, arg); |
5998 | if (ret) { | |
5999 | return ret; | |
6000 | } | |
435da5e7 | 6001 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 6002 | break; |
3b46e624 | 6003 | |
7775e9ec | 6004 | case TARGET_F_GETLK64: |
213d3e9e PM |
6005 | ret = copy_from_user_flock64(&fl64, arg); |
6006 | if (ret) { | |
6007 | return ret; | |
6008 | } | |
435da5e7 | 6009 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 6010 | if (ret == 0) { |
213d3e9e | 6011 | ret = copy_to_user_flock64(arg, &fl64); |
43f238d7 | 6012 | } |
9ee1fa2c | 6013 | break; |
7775e9ec FB |
6014 | case TARGET_F_SETLK64: |
6015 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
6016 | ret = copy_from_user_flock64(&fl64, arg); |
6017 | if (ret) { | |
6018 | return ret; | |
6019 | } | |
435da5e7 | 6020 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
6021 | break; |
6022 | ||
5f106811 | 6023 | case TARGET_F_GETFL: |
435da5e7 | 6024 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
9ee1fa2c FB |
6025 | if (ret >= 0) { |
6026 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
6027 | } | |
ffa65c3b FB |
6028 | break; |
6029 | ||
5f106811 | 6030 | case TARGET_F_SETFL: |
435da5e7 PM |
6031 | ret = get_errno(safe_fcntl(fd, host_cmd, |
6032 | target_to_host_bitmask(arg, | |
6033 | fcntl_flags_tbl))); | |
5f106811 APR |
6034 | break; |
6035 | ||
8d5d3004 AS |
6036 | #ifdef F_GETOWN_EX |
6037 | case TARGET_F_GETOWN_EX: | |
435da5e7 | 6038 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
6039 | if (ret >= 0) { |
6040 | if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0)) | |
6041 | return -TARGET_EFAULT; | |
6042 | target_fox->type = tswap32(fox.type); | |
6043 | target_fox->pid = tswap32(fox.pid); | |
6044 | unlock_user_struct(target_fox, arg, 1); | |
6045 | } | |
6046 | break; | |
6047 | #endif | |
6048 | ||
6049 | #ifdef F_SETOWN_EX | |
6050 | case TARGET_F_SETOWN_EX: | |
6051 | if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1)) | |
6052 | return -TARGET_EFAULT; | |
6053 | fox.type = tswap32(target_fox->type); | |
6054 | fox.pid = tswap32(target_fox->pid); | |
6055 | unlock_user_struct(target_fox, arg, 0); | |
435da5e7 | 6056 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
6057 | break; |
6058 | #endif | |
6059 | ||
5f106811 APR |
6060 | case TARGET_F_SETOWN: |
6061 | case TARGET_F_GETOWN: | |
6062 | case TARGET_F_SETSIG: | |
6063 | case TARGET_F_GETSIG: | |
7e22e546 UH |
6064 | case TARGET_F_SETLEASE: |
6065 | case TARGET_F_GETLEASE: | |
7e3b92ec PM |
6066 | case TARGET_F_SETPIPE_SZ: |
6067 | case TARGET_F_GETPIPE_SZ: | |
435da5e7 | 6068 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
6069 | break; |
6070 | ||
7775e9ec | 6071 | default: |
435da5e7 | 6072 | ret = get_errno(safe_fcntl(fd, cmd, arg)); |
7775e9ec FB |
6073 | break; |
6074 | } | |
6075 | return ret; | |
6076 | } | |
6077 | ||
67867308 | 6078 | #ifdef USE_UID16 |
7775e9ec | 6079 | |
67867308 FB |
6080 | static inline int high2lowuid(int uid) |
6081 | { | |
6082 | if (uid > 65535) | |
6083 | return 65534; | |
6084 | else | |
6085 | return uid; | |
6086 | } | |
6087 | ||
6088 | static inline int high2lowgid(int gid) | |
6089 | { | |
6090 | if (gid > 65535) | |
6091 | return 65534; | |
6092 | else | |
6093 | return gid; | |
6094 | } | |
6095 | ||
6096 | static inline int low2highuid(int uid) | |
6097 | { | |
6098 | if ((int16_t)uid == -1) | |
6099 | return -1; | |
6100 | else | |
6101 | return uid; | |
6102 | } | |
6103 | ||
6104 | static inline int low2highgid(int gid) | |
6105 | { | |
6106 | if ((int16_t)gid == -1) | |
6107 | return -1; | |
6108 | else | |
6109 | return gid; | |
6110 | } | |
0c866a7e RV |
6111 | static inline int tswapid(int id) |
6112 | { | |
6113 | return tswap16(id); | |
6114 | } | |
76ca310a PM |
6115 | |
6116 | #define put_user_id(x, gaddr) put_user_u16(x, gaddr) | |
6117 | ||
0c866a7e RV |
6118 | #else /* !USE_UID16 */ |
6119 | static inline int high2lowuid(int uid) | |
6120 | { | |
6121 | return uid; | |
6122 | } | |
6123 | static inline int high2lowgid(int gid) | |
6124 | { | |
6125 | return gid; | |
6126 | } | |
6127 | static inline int low2highuid(int uid) | |
6128 | { | |
6129 | return uid; | |
6130 | } | |
6131 | static inline int low2highgid(int gid) | |
6132 | { | |
6133 | return gid; | |
6134 | } | |
6135 | static inline int tswapid(int id) | |
6136 | { | |
6137 | return tswap32(id); | |
6138 | } | |
76ca310a PM |
6139 | |
6140 | #define put_user_id(x, gaddr) put_user_u32(x, gaddr) | |
6141 | ||
67867308 | 6142 | #endif /* USE_UID16 */ |
1b6b029e | 6143 | |
fd6f7798 PM |
6144 | /* We must do direct syscalls for setting UID/GID, because we want to |
6145 | * implement the Linux system call semantics of "change only for this thread", | |
6146 | * not the libc/POSIX semantics of "change for all threads in process". | |
6147 | * (See http://ewontfix.com/17/ for more details.) | |
6148 | * We use the 32-bit version of the syscalls if present; if it is not | |
6149 | * then either the host architecture supports 32-bit UIDs natively with | |
6150 | * the standard syscall, or the 16-bit UID is the best we can do. | |
6151 | */ | |
6152 | #ifdef __NR_setuid32 | |
6153 | #define __NR_sys_setuid __NR_setuid32 | |
6154 | #else | |
6155 | #define __NR_sys_setuid __NR_setuid | |
6156 | #endif | |
6157 | #ifdef __NR_setgid32 | |
6158 | #define __NR_sys_setgid __NR_setgid32 | |
6159 | #else | |
6160 | #define __NR_sys_setgid __NR_setgid | |
6161 | #endif | |
6162 | #ifdef __NR_setresuid32 | |
6163 | #define __NR_sys_setresuid __NR_setresuid32 | |
6164 | #else | |
6165 | #define __NR_sys_setresuid __NR_setresuid | |
6166 | #endif | |
6167 | #ifdef __NR_setresgid32 | |
6168 | #define __NR_sys_setresgid __NR_setresgid32 | |
6169 | #else | |
6170 | #define __NR_sys_setresgid __NR_setresgid | |
6171 | #endif | |
6172 | ||
6173 | _syscall1(int, sys_setuid, uid_t, uid) | |
6174 | _syscall1(int, sys_setgid, gid_t, gid) | |
6175 | _syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) | |
6176 | _syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid) | |
6177 | ||
31e31b8a FB |
6178 | void syscall_init(void) |
6179 | { | |
2ab83ea7 FB |
6180 | IOCTLEntry *ie; |
6181 | const argtype *arg_type; | |
6182 | int size; | |
b92c47c1 | 6183 | int i; |
2ab83ea7 | 6184 | |
8be656b8 AG |
6185 | thunk_init(STRUCT_MAX); |
6186 | ||
001faf32 | 6187 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 6188 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
6189 | #include "syscall_types.h" |
6190 | #undef STRUCT | |
6191 | #undef STRUCT_SPECIAL | |
2ab83ea7 | 6192 | |
dd6e957a PM |
6193 | /* Build target_to_host_errno_table[] table from |
6194 | * host_to_target_errno_table[]. */ | |
6195 | for (i = 0; i < ERRNO_TABLE_SIZE; i++) { | |
6196 | target_to_host_errno_table[host_to_target_errno_table[i]] = i; | |
6197 | } | |
6198 | ||
2ab83ea7 FB |
6199 | /* we patch the ioctl size if necessary. We rely on the fact that |
6200 | no ioctl has all the bits at '1' in the size field */ | |
6201 | ie = ioctl_entries; | |
6202 | while (ie->target_cmd != 0) { | |
6203 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
6204 | TARGET_IOC_SIZEMASK) { | |
6205 | arg_type = ie->arg_type; | |
6206 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 6207 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
6208 | ie->target_cmd); |
6209 | exit(1); | |
6210 | } | |
6211 | arg_type++; | |
6212 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 6213 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
6214 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
6215 | (size << TARGET_IOC_SIZESHIFT); | |
6216 | } | |
b92c47c1 | 6217 | |
2ab83ea7 | 6218 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
6219 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
6220 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
6221 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
6222 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
6223 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
6224 | } |
6225 | #endif | |
6226 | ie++; | |
6227 | } | |
31e31b8a | 6228 | } |
c573ff67 | 6229 | |
992f48a0 | 6230 | #if TARGET_ABI_BITS == 32 |
ce4defa0 PB |
6231 | static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
6232 | { | |
af325d36 | 6233 | #ifdef TARGET_WORDS_BIGENDIAN |
ce4defa0 PB |
6234 | return ((uint64_t)word0 << 32) | word1; |
6235 | #else | |
6236 | return ((uint64_t)word1 << 32) | word0; | |
6237 | #endif | |
6238 | } | |
992f48a0 | 6239 | #else /* TARGET_ABI_BITS == 32 */ |
32407103 JM |
6240 | static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
6241 | { | |
6242 | return word0; | |
6243 | } | |
992f48a0 | 6244 | #endif /* TARGET_ABI_BITS != 32 */ |
ce4defa0 PB |
6245 | |
6246 | #ifdef TARGET_NR_truncate64 | |
992f48a0 BS |
6247 | static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
6248 | abi_long arg2, | |
6249 | abi_long arg3, | |
6250 | abi_long arg4) | |
ce4defa0 | 6251 | { |
8bf8e9df | 6252 | if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) { |
ce4defa0 PB |
6253 | arg2 = arg3; |
6254 | arg3 = arg4; | |
48e515d4 | 6255 | } |
ce4defa0 PB |
6256 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
6257 | } | |
6258 | #endif | |
6259 | ||
6260 | #ifdef TARGET_NR_ftruncate64 | |
992f48a0 BS |
6261 | static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
6262 | abi_long arg2, | |
6263 | abi_long arg3, | |
6264 | abi_long arg4) | |
ce4defa0 | 6265 | { |
8bf8e9df | 6266 | if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) { |
ce4defa0 PB |
6267 | arg2 = arg3; |
6268 | arg3 = arg4; | |
48e515d4 | 6269 | } |
ce4defa0 PB |
6270 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
6271 | } | |
6272 | #endif | |
6273 | ||
579a97f7 FB |
6274 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
6275 | abi_ulong target_addr) | |
53a5960a PB |
6276 | { |
6277 | struct target_timespec *target_ts; | |
6278 | ||
579a97f7 FB |
6279 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
6280 | return -TARGET_EFAULT; | |
c7e35da3 PM |
6281 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); |
6282 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
53a5960a | 6283 | unlock_user_struct(target_ts, target_addr, 0); |
b255bfa8 | 6284 | return 0; |
53a5960a PB |
6285 | } |
6286 | ||
579a97f7 FB |
6287 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
6288 | struct timespec *host_ts) | |
53a5960a PB |
6289 | { |
6290 | struct target_timespec *target_ts; | |
6291 | ||
579a97f7 FB |
6292 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
6293 | return -TARGET_EFAULT; | |
c7e35da3 PM |
6294 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); |
6295 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
53a5960a | 6296 | unlock_user_struct(target_ts, target_addr, 1); |
b255bfa8 | 6297 | return 0; |
53a5960a PB |
6298 | } |
6299 | ||
f4f1e10a ECL |
6300 | static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec, |
6301 | abi_ulong target_addr) | |
6302 | { | |
6303 | struct target_itimerspec *target_itspec; | |
6304 | ||
6305 | if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) { | |
6306 | return -TARGET_EFAULT; | |
6307 | } | |
6308 | ||
6309 | host_itspec->it_interval.tv_sec = | |
6310 | tswapal(target_itspec->it_interval.tv_sec); | |
6311 | host_itspec->it_interval.tv_nsec = | |
6312 | tswapal(target_itspec->it_interval.tv_nsec); | |
6313 | host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec); | |
6314 | host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec); | |
6315 | ||
6316 | unlock_user_struct(target_itspec, target_addr, 1); | |
6317 | return 0; | |
6318 | } | |
6319 | ||
6320 | static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, | |
6321 | struct itimerspec *host_its) | |
6322 | { | |
6323 | struct target_itimerspec *target_itspec; | |
6324 | ||
6325 | if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) { | |
6326 | return -TARGET_EFAULT; | |
6327 | } | |
6328 | ||
6329 | target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec); | |
6330 | target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec); | |
6331 | ||
6332 | target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec); | |
6333 | target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec); | |
6334 | ||
6335 | unlock_user_struct(target_itspec, target_addr, 0); | |
6336 | return 0; | |
6337 | } | |
6338 | ||
19f59bce AM |
6339 | static inline abi_long target_to_host_timex(struct timex *host_tx, |
6340 | abi_long target_addr) | |
6341 | { | |
6342 | struct target_timex *target_tx; | |
6343 | ||
6344 | if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) { | |
6345 | return -TARGET_EFAULT; | |
6346 | } | |
6347 | ||
6348 | __get_user(host_tx->modes, &target_tx->modes); | |
6349 | __get_user(host_tx->offset, &target_tx->offset); | |
6350 | __get_user(host_tx->freq, &target_tx->freq); | |
6351 | __get_user(host_tx->maxerror, &target_tx->maxerror); | |
6352 | __get_user(host_tx->esterror, &target_tx->esterror); | |
6353 | __get_user(host_tx->status, &target_tx->status); | |
6354 | __get_user(host_tx->constant, &target_tx->constant); | |
6355 | __get_user(host_tx->precision, &target_tx->precision); | |
6356 | __get_user(host_tx->tolerance, &target_tx->tolerance); | |
6357 | __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
6358 | __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
6359 | __get_user(host_tx->tick, &target_tx->tick); | |
6360 | __get_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
6361 | __get_user(host_tx->jitter, &target_tx->jitter); | |
6362 | __get_user(host_tx->shift, &target_tx->shift); | |
6363 | __get_user(host_tx->stabil, &target_tx->stabil); | |
6364 | __get_user(host_tx->jitcnt, &target_tx->jitcnt); | |
6365 | __get_user(host_tx->calcnt, &target_tx->calcnt); | |
6366 | __get_user(host_tx->errcnt, &target_tx->errcnt); | |
6367 | __get_user(host_tx->stbcnt, &target_tx->stbcnt); | |
6368 | __get_user(host_tx->tai, &target_tx->tai); | |
6369 | ||
6370 | unlock_user_struct(target_tx, target_addr, 0); | |
6371 | return 0; | |
6372 | } | |
6373 | ||
6374 | static inline abi_long host_to_target_timex(abi_long target_addr, | |
6375 | struct timex *host_tx) | |
6376 | { | |
6377 | struct target_timex *target_tx; | |
6378 | ||
6379 | if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) { | |
6380 | return -TARGET_EFAULT; | |
6381 | } | |
6382 | ||
6383 | __put_user(host_tx->modes, &target_tx->modes); | |
6384 | __put_user(host_tx->offset, &target_tx->offset); | |
6385 | __put_user(host_tx->freq, &target_tx->freq); | |
6386 | __put_user(host_tx->maxerror, &target_tx->maxerror); | |
6387 | __put_user(host_tx->esterror, &target_tx->esterror); | |
6388 | __put_user(host_tx->status, &target_tx->status); | |
6389 | __put_user(host_tx->constant, &target_tx->constant); | |
6390 | __put_user(host_tx->precision, &target_tx->precision); | |
6391 | __put_user(host_tx->tolerance, &target_tx->tolerance); | |
6392 | __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
6393 | __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
6394 | __put_user(host_tx->tick, &target_tx->tick); | |
6395 | __put_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
6396 | __put_user(host_tx->jitter, &target_tx->jitter); | |
6397 | __put_user(host_tx->shift, &target_tx->shift); | |
6398 | __put_user(host_tx->stabil, &target_tx->stabil); | |
6399 | __put_user(host_tx->jitcnt, &target_tx->jitcnt); | |
6400 | __put_user(host_tx->calcnt, &target_tx->calcnt); | |
6401 | __put_user(host_tx->errcnt, &target_tx->errcnt); | |
6402 | __put_user(host_tx->stbcnt, &target_tx->stbcnt); | |
6403 | __put_user(host_tx->tai, &target_tx->tai); | |
6404 | ||
6405 | unlock_user_struct(target_tx, target_addr, 1); | |
6406 | return 0; | |
6407 | } | |
6408 | ||
6409 | ||
c065976f PM |
6410 | static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp, |
6411 | abi_ulong target_addr) | |
6412 | { | |
6413 | struct target_sigevent *target_sevp; | |
6414 | ||
6415 | if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) { | |
6416 | return -TARGET_EFAULT; | |
6417 | } | |
6418 | ||
6419 | /* This union is awkward on 64 bit systems because it has a 32 bit | |
6420 | * integer and a pointer in it; we follow the conversion approach | |
6421 | * used for handling sigval types in signal.c so the guest should get | |
6422 | * the correct value back even if we did a 64 bit byteswap and it's | |
6423 | * using the 32 bit integer. | |
6424 | */ | |
6425 | host_sevp->sigev_value.sival_ptr = | |
6426 | (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr); | |
6427 | host_sevp->sigev_signo = | |
6428 | target_to_host_signal(tswap32(target_sevp->sigev_signo)); | |
6429 | host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify); | |
6430 | host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid); | |
6431 | ||
6432 | unlock_user_struct(target_sevp, target_addr, 1); | |
6433 | return 0; | |
6434 | } | |
6435 | ||
6f6a4032 TM |
6436 | #if defined(TARGET_NR_mlockall) |
6437 | static inline int target_to_host_mlockall_arg(int arg) | |
6438 | { | |
6439 | int result = 0; | |
6440 | ||
6441 | if (arg & TARGET_MLOCKALL_MCL_CURRENT) { | |
6442 | result |= MCL_CURRENT; | |
6443 | } | |
6444 | if (arg & TARGET_MLOCKALL_MCL_FUTURE) { | |
6445 | result |= MCL_FUTURE; | |
6446 | } | |
6447 | return result; | |
6448 | } | |
6449 | #endif | |
6450 | ||
4f7f8924 AR |
6451 | #if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \ |
6452 | defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \ | |
6453 | defined(TARGET_NR_newfstatat)) | |
6a24a778 AZ |
6454 | static inline abi_long host_to_target_stat64(void *cpu_env, |
6455 | abi_ulong target_addr, | |
6456 | struct stat *host_st) | |
6457 | { | |
09701199 | 6458 | #if defined(TARGET_ARM) && defined(TARGET_ABI32) |
6a24a778 AZ |
6459 | if (((CPUARMState *)cpu_env)->eabi) { |
6460 | struct target_eabi_stat64 *target_st; | |
6461 | ||
6462 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
6463 | return -TARGET_EFAULT; | |
6464 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
6465 | __put_user(host_st->st_dev, &target_st->st_dev); | |
6466 | __put_user(host_st->st_ino, &target_st->st_ino); | |
6467 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
6468 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
6469 | #endif | |
6470 | __put_user(host_st->st_mode, &target_st->st_mode); | |
6471 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
6472 | __put_user(host_st->st_uid, &target_st->st_uid); | |
6473 | __put_user(host_st->st_gid, &target_st->st_gid); | |
6474 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
6475 | __put_user(host_st->st_size, &target_st->st_size); | |
6476 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
6477 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
6478 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
6479 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
6480 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
5f992db6 CYT |
6481 | #if _POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700 |
6482 | __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec); | |
6483 | __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec); | |
6484 | __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec); | |
6485 | #endif | |
6a24a778 AZ |
6486 | unlock_user_struct(target_st, target_addr, 1); |
6487 | } else | |
6488 | #endif | |
6489 | { | |
20d155bc | 6490 | #if defined(TARGET_HAS_STRUCT_STAT64) |
6a24a778 | 6491 | struct target_stat64 *target_st; |
20d155bc SW |
6492 | #else |
6493 | struct target_stat *target_st; | |
9d33b76b | 6494 | #endif |
6a24a778 AZ |
6495 | |
6496 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
6497 | return -TARGET_EFAULT; | |
9d33b76b | 6498 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
6499 | __put_user(host_st->st_dev, &target_st->st_dev); |
6500 | __put_user(host_st->st_ino, &target_st->st_ino); | |
6501 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
6502 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
6503 | #endif | |
6504 | __put_user(host_st->st_mode, &target_st->st_mode); | |
6505 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
6506 | __put_user(host_st->st_uid, &target_st->st_uid); | |
6507 | __put_user(host_st->st_gid, &target_st->st_gid); | |
6508 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
6509 | /* XXX: better use of kernel struct */ | |
6510 | __put_user(host_st->st_size, &target_st->st_size); | |
6511 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
6512 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
6513 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
6514 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
6515 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
5f992db6 CYT |
6516 | #if _POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700 |
6517 | __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec); | |
6518 | __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec); | |
6519 | __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec); | |
6520 | #endif | |
6a24a778 AZ |
6521 | unlock_user_struct(target_st, target_addr, 1); |
6522 | } | |
6523 | ||
6524 | return 0; | |
6525 | } | |
4f7f8924 | 6526 | #endif |
6a24a778 | 6527 | |
efa92184 AR |
6528 | #if defined(TARGET_NR_statx) && defined(__NR_statx) |
6529 | static inline abi_long host_to_target_statx(struct target_statx *host_stx, | |
6530 | abi_ulong target_addr) | |
6531 | { | |
6532 | struct target_statx *target_stx; | |
6533 | ||
6534 | if (!lock_user_struct(VERIFY_WRITE, target_stx, target_addr, 0)) { | |
6535 | return -TARGET_EFAULT; | |
6536 | } | |
6537 | memset(target_stx, 0, sizeof(*target_stx)); | |
6538 | ||
6539 | __put_user(host_stx->stx_mask, &target_stx->stx_mask); | |
6540 | __put_user(host_stx->stx_blksize, &target_stx->stx_blksize); | |
6541 | __put_user(host_stx->stx_attributes, &target_stx->stx_attributes); | |
6542 | __put_user(host_stx->stx_nlink, &target_stx->stx_nlink); | |
6543 | __put_user(host_stx->stx_uid, &target_stx->stx_uid); | |
6544 | __put_user(host_stx->stx_gid, &target_stx->stx_gid); | |
6545 | __put_user(host_stx->stx_mode, &target_stx->stx_mode); | |
6546 | __put_user(host_stx->stx_ino, &target_stx->stx_ino); | |
6547 | __put_user(host_stx->stx_size, &target_stx->stx_size); | |
6548 | __put_user(host_stx->stx_blocks, &target_stx->stx_blocks); | |
6549 | __put_user(host_stx->stx_attributes_mask, &target_stx->stx_attributes_mask); | |
6550 | __put_user(host_stx->stx_atime.tv_sec, &target_stx->stx_atime.tv_sec); | |
6551 | __put_user(host_stx->stx_atime.tv_nsec, &target_stx->stx_atime.tv_nsec); | |
6552 | __put_user(host_stx->stx_btime.tv_sec, &target_stx->stx_atime.tv_sec); | |
6553 | __put_user(host_stx->stx_btime.tv_nsec, &target_stx->stx_atime.tv_nsec); | |
6554 | __put_user(host_stx->stx_ctime.tv_sec, &target_stx->stx_atime.tv_sec); | |
6555 | __put_user(host_stx->stx_ctime.tv_nsec, &target_stx->stx_atime.tv_nsec); | |
6556 | __put_user(host_stx->stx_mtime.tv_sec, &target_stx->stx_atime.tv_sec); | |
6557 | __put_user(host_stx->stx_mtime.tv_nsec, &target_stx->stx_atime.tv_nsec); | |
6558 | __put_user(host_stx->stx_rdev_major, &target_stx->stx_rdev_major); | |
6559 | __put_user(host_stx->stx_rdev_minor, &target_stx->stx_rdev_minor); | |
6560 | __put_user(host_stx->stx_dev_major, &target_stx->stx_dev_major); | |
6561 | __put_user(host_stx->stx_dev_minor, &target_stx->stx_dev_minor); | |
6562 | ||
6563 | unlock_user_struct(target_stx, target_addr, 1); | |
6564 | ||
6565 | return 0; | |
6566 | } | |
6567 | #endif | |
6568 | ||
6569 | ||
bd0c5661 PB |
6570 | /* ??? Using host futex calls even when target atomic operations |
6571 | are not really atomic probably breaks things. However implementing | |
6572 | futexes locally would make futexes shared between multiple processes | |
6573 | tricky. However they're probably useless because guest atomic | |
6574 | operations won't work either. */ | |
8fcd3692 BS |
6575 | static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
6576 | target_ulong uaddr2, int val3) | |
bd0c5661 PB |
6577 | { |
6578 | struct timespec ts, *pts; | |
a16aae0c | 6579 | int base_op; |
bd0c5661 PB |
6580 | |
6581 | /* ??? We assume FUTEX_* constants are the same on both host | |
6582 | and target. */ | |
a29ccd63 | 6583 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 6584 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 6585 | #else |
a16aae0c | 6586 | base_op = op; |
a29ccd63 | 6587 | #endif |
a16aae0c | 6588 | switch (base_op) { |
bd0c5661 | 6589 | case FUTEX_WAIT: |
cce246e0 | 6590 | case FUTEX_WAIT_BITSET: |
bd0c5661 PB |
6591 | if (timeout) { |
6592 | pts = &ts; | |
6593 | target_to_host_timespec(pts, timeout); | |
6594 | } else { | |
6595 | pts = NULL; | |
6596 | } | |
d509eeb1 | 6597 | return get_errno(safe_futex(g2h(uaddr), op, tswap32(val), |
cce246e0 | 6598 | pts, NULL, val3)); |
bd0c5661 | 6599 | case FUTEX_WAKE: |
d509eeb1 | 6600 | return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 6601 | case FUTEX_FD: |
d509eeb1 | 6602 | return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 6603 | case FUTEX_REQUEUE: |
bd0c5661 | 6604 | case FUTEX_CMP_REQUEUE: |
a16aae0c NF |
6605 | case FUTEX_WAKE_OP: |
6606 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
6607 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
6608 | But the prototype takes a `struct timespec *'; insert casts | |
6609 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
6610 | since it's not compared to guest memory. */ | |
6611 | pts = (struct timespec *)(uintptr_t) timeout; | |
d509eeb1 PM |
6612 | return get_errno(safe_futex(g2h(uaddr), op, val, pts, |
6613 | g2h(uaddr2), | |
6614 | (base_op == FUTEX_CMP_REQUEUE | |
6615 | ? tswap32(val3) | |
6616 | : val3))); | |
bd0c5661 PB |
6617 | default: |
6618 | return -TARGET_ENOSYS; | |
6619 | } | |
6620 | } | |
0f0426f3 LV |
6621 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
6622 | static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname, | |
6623 | abi_long handle, abi_long mount_id, | |
6624 | abi_long flags) | |
6625 | { | |
6626 | struct file_handle *target_fh; | |
6627 | struct file_handle *fh; | |
6628 | int mid = 0; | |
6629 | abi_long ret; | |
6630 | char *name; | |
6631 | unsigned int size, total_size; | |
6632 | ||
6633 | if (get_user_s32(size, handle)) { | |
6634 | return -TARGET_EFAULT; | |
6635 | } | |
6636 | ||
6637 | name = lock_user_string(pathname); | |
6638 | if (!name) { | |
6639 | return -TARGET_EFAULT; | |
6640 | } | |
6641 | ||
6642 | total_size = sizeof(struct file_handle) + size; | |
6643 | target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0); | |
6644 | if (!target_fh) { | |
6645 | unlock_user(name, pathname, 0); | |
6646 | return -TARGET_EFAULT; | |
6647 | } | |
6648 | ||
6649 | fh = g_malloc0(total_size); | |
6650 | fh->handle_bytes = size; | |
6651 | ||
6652 | ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags)); | |
6653 | unlock_user(name, pathname, 0); | |
6654 | ||
6655 | /* man name_to_handle_at(2): | |
6656 | * Other than the use of the handle_bytes field, the caller should treat | |
6657 | * the file_handle structure as an opaque data type | |
6658 | */ | |
6659 | ||
6660 | memcpy(target_fh, fh, total_size); | |
6661 | target_fh->handle_bytes = tswap32(fh->handle_bytes); | |
6662 | target_fh->handle_type = tswap32(fh->handle_type); | |
6663 | g_free(fh); | |
6664 | unlock_user(target_fh, handle, total_size); | |
6665 | ||
6666 | if (put_user_s32(mid, mount_id)) { | |
6667 | return -TARGET_EFAULT; | |
6668 | } | |
6669 | ||
6670 | return ret; | |
6671 | ||
6672 | } | |
6673 | #endif | |
6674 | ||
6675 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
6676 | static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle, | |
6677 | abi_long flags) | |
6678 | { | |
6679 | struct file_handle *target_fh; | |
6680 | struct file_handle *fh; | |
6681 | unsigned int size, total_size; | |
6682 | abi_long ret; | |
6683 | ||
6684 | if (get_user_s32(size, handle)) { | |
6685 | return -TARGET_EFAULT; | |
6686 | } | |
6687 | ||
6688 | total_size = sizeof(struct file_handle) + size; | |
6689 | target_fh = lock_user(VERIFY_READ, handle, total_size, 1); | |
6690 | if (!target_fh) { | |
6691 | return -TARGET_EFAULT; | |
6692 | } | |
6693 | ||
e9d49d51 | 6694 | fh = g_memdup(target_fh, total_size); |
0f0426f3 LV |
6695 | fh->handle_bytes = size; |
6696 | fh->handle_type = tswap32(target_fh->handle_type); | |
6697 | ||
6698 | ret = get_errno(open_by_handle_at(mount_fd, fh, | |
6699 | target_to_host_bitmask(flags, fcntl_flags_tbl))); | |
6700 | ||
6701 | g_free(fh); | |
6702 | ||
6703 | unlock_user(target_fh, handle, total_size); | |
6704 | ||
6705 | return ret; | |
6706 | } | |
6707 | #endif | |
bd0c5661 | 6708 | |
e36800c9 LV |
6709 | #if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4) |
6710 | ||
e36800c9 LV |
6711 | static abi_long do_signalfd4(int fd, abi_long mask, int flags) |
6712 | { | |
6713 | int host_flags; | |
6714 | target_sigset_t *target_mask; | |
6715 | sigset_t host_mask; | |
6716 | abi_long ret; | |
6717 | ||
6718 | if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) { | |
6719 | return -TARGET_EINVAL; | |
6720 | } | |
6721 | if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) { | |
6722 | return -TARGET_EFAULT; | |
6723 | } | |
6724 | ||
6725 | target_to_host_sigset(&host_mask, target_mask); | |
6726 | ||
6727 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
6728 | ||
6729 | ret = get_errno(signalfd(fd, &host_mask, host_flags)); | |
6730 | if (ret >= 0) { | |
6731 | fd_trans_register(ret, &target_signalfd_trans); | |
6732 | } | |
6733 | ||
6734 | unlock_user_struct(target_mask, mask, 0); | |
6735 | ||
6736 | return ret; | |
6737 | } | |
6738 | #endif | |
6739 | ||
1d9d8b55 PB |
6740 | /* Map host to target signal numbers for the wait family of syscalls. |
6741 | Assume all other status bits are the same. */ | |
a05c6409 | 6742 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
6743 | { |
6744 | if (WIFSIGNALED(status)) { | |
6745 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
6746 | } | |
6747 | if (WIFSTOPPED(status)) { | |
6748 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
6749 | | (status & 0xff); | |
6750 | } | |
6751 | return status; | |
6752 | } | |
6753 | ||
76b94245 WVS |
6754 | static int open_self_cmdline(void *cpu_env, int fd) |
6755 | { | |
29a0af61 | 6756 | CPUState *cpu = env_cpu((CPUArchState *)cpu_env); |
58de8b96 AS |
6757 | struct linux_binprm *bprm = ((TaskState *)cpu->opaque)->bprm; |
6758 | int i; | |
76b94245 | 6759 | |
58de8b96 AS |
6760 | for (i = 0; i < bprm->argc; i++) { |
6761 | size_t len = strlen(bprm->argv[i]) + 1; | |
76b94245 | 6762 | |
58de8b96 | 6763 | if (write(fd, bprm->argv[i], len) != len) { |
76b94245 | 6764 | return -1; |
76b94245 WVS |
6765 | } |
6766 | } | |
6767 | ||
58de8b96 | 6768 | return 0; |
76b94245 WVS |
6769 | } |
6770 | ||
36c08d49 AG |
6771 | static int open_self_maps(void *cpu_env, int fd) |
6772 | { | |
29a0af61 | 6773 | CPUState *cpu = env_cpu((CPUArchState *)cpu_env); |
0429a971 | 6774 | TaskState *ts = cpu->opaque; |
1a49ef2a AG |
6775 | FILE *fp; |
6776 | char *line = NULL; | |
6777 | size_t len = 0; | |
6778 | ssize_t read; | |
6779 | ||
6780 | fp = fopen("/proc/self/maps", "r"); | |
6781 | if (fp == NULL) { | |
a3ca7bb2 | 6782 | return -1; |
1a49ef2a | 6783 | } |
36c08d49 | 6784 | |
1a49ef2a AG |
6785 | while ((read = getline(&line, &len, fp)) != -1) { |
6786 | int fields, dev_maj, dev_min, inode; | |
6787 | uint64_t min, max, offset; | |
6788 | char flag_r, flag_w, flag_x, flag_p; | |
6789 | char path[512] = ""; | |
6790 | fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d" | |
6791 | " %512s", &min, &max, &flag_r, &flag_w, &flag_x, | |
6792 | &flag_p, &offset, &dev_maj, &dev_min, &inode, path); | |
6793 | ||
6794 | if ((fields < 10) || (fields > 11)) { | |
6795 | continue; | |
6796 | } | |
d67f4aaa MI |
6797 | if (h2g_valid(min)) { |
6798 | int flags = page_get_flags(h2g(min)); | |
ebf9a363 | 6799 | max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX) + 1; |
d67f4aaa MI |
6800 | if (page_check_range(h2g(min), max - min, flags) == -1) { |
6801 | continue; | |
6802 | } | |
6803 | if (h2g(min) == ts->info->stack_limit) { | |
6804 | pstrcpy(path, sizeof(path), " [stack]"); | |
6805 | } | |
3e23de15 | 6806 | dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr |
e24fed4e | 6807 | " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n", |
d67f4aaa | 6808 | h2g(min), h2g(max - 1) + 1, flag_r, flag_w, |
1a49ef2a | 6809 | flag_x, flag_p, offset, dev_maj, dev_min, inode, |
e24fed4e | 6810 | path[0] ? " " : "", path); |
1a49ef2a AG |
6811 | } |
6812 | } | |
6813 | ||
6814 | free(line); | |
6815 | fclose(fp); | |
6816 | ||
36c08d49 AG |
6817 | return 0; |
6818 | } | |
6819 | ||
480b8e7d AG |
6820 | static int open_self_stat(void *cpu_env, int fd) |
6821 | { | |
29a0af61 | 6822 | CPUState *cpu = env_cpu((CPUArchState *)cpu_env); |
0429a971 | 6823 | TaskState *ts = cpu->opaque; |
480b8e7d AG |
6824 | abi_ulong start_stack = ts->info->start_stack; |
6825 | int i; | |
6826 | ||
6827 | for (i = 0; i < 44; i++) { | |
6828 | char buf[128]; | |
6829 | int len; | |
6830 | uint64_t val = 0; | |
6831 | ||
e0e65bee FE |
6832 | if (i == 0) { |
6833 | /* pid */ | |
6834 | val = getpid(); | |
6835 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
6836 | } else if (i == 1) { | |
6837 | /* app name */ | |
6838 | snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]); | |
6839 | } else if (i == 27) { | |
6840 | /* stack bottom */ | |
6841 | val = start_stack; | |
6842 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
6843 | } else { | |
6844 | /* for the rest, there is MasterCard */ | |
6845 | snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' '); | |
480b8e7d | 6846 | } |
e0e65bee | 6847 | |
480b8e7d AG |
6848 | len = strlen(buf); |
6849 | if (write(fd, buf, len) != len) { | |
6850 | return -1; | |
6851 | } | |
6852 | } | |
6853 | ||
6854 | return 0; | |
6855 | } | |
6856 | ||
257450ee AG |
6857 | static int open_self_auxv(void *cpu_env, int fd) |
6858 | { | |
29a0af61 | 6859 | CPUState *cpu = env_cpu((CPUArchState *)cpu_env); |
0429a971 | 6860 | TaskState *ts = cpu->opaque; |
257450ee AG |
6861 | abi_ulong auxv = ts->info->saved_auxv; |
6862 | abi_ulong len = ts->info->auxv_len; | |
6863 | char *ptr; | |
6864 | ||
6865 | /* | |
6866 | * Auxiliary vector is stored in target process stack. | |
6867 | * read in whole auxv vector and copy it to file | |
6868 | */ | |
6869 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
6870 | if (ptr != NULL) { | |
6871 | while (len > 0) { | |
6872 | ssize_t r; | |
6873 | r = write(fd, ptr, len); | |
6874 | if (r <= 0) { | |
6875 | break; | |
6876 | } | |
6877 | len -= r; | |
6878 | ptr += r; | |
6879 | } | |
6880 | lseek(fd, 0, SEEK_SET); | |
6881 | unlock_user(ptr, auxv, len); | |
6882 | } | |
6883 | ||
6884 | return 0; | |
6885 | } | |
6886 | ||
463d8e73 AS |
6887 | static int is_proc_myself(const char *filename, const char *entry) |
6888 | { | |
6889 | if (!strncmp(filename, "/proc/", strlen("/proc/"))) { | |
6890 | filename += strlen("/proc/"); | |
6891 | if (!strncmp(filename, "self/", strlen("self/"))) { | |
6892 | filename += strlen("self/"); | |
6893 | } else if (*filename >= '1' && *filename <= '9') { | |
6894 | char myself[80]; | |
6895 | snprintf(myself, sizeof(myself), "%d/", getpid()); | |
6896 | if (!strncmp(filename, myself, strlen(myself))) { | |
6897 | filename += strlen(myself); | |
6898 | } else { | |
6899 | return 0; | |
6900 | } | |
6901 | } else { | |
6902 | return 0; | |
6903 | } | |
6904 | if (!strcmp(filename, entry)) { | |
6905 | return 1; | |
6906 | } | |
6907 | } | |
6908 | return 0; | |
6909 | } | |
6910 | ||
fff69382 | 6911 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) || \ |
4ab6713e | 6912 | defined(TARGET_SPARC) || defined(TARGET_M68K) |
de6b9933 LV |
6913 | static int is_proc(const char *filename, const char *entry) |
6914 | { | |
6915 | return strcmp(filename, entry) == 0; | |
6916 | } | |
fff69382 | 6917 | #endif |
de6b9933 | 6918 | |
fff69382 | 6919 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
de6b9933 LV |
6920 | static int open_net_route(void *cpu_env, int fd) |
6921 | { | |
6922 | FILE *fp; | |
6923 | char *line = NULL; | |
6924 | size_t len = 0; | |
6925 | ssize_t read; | |
6926 | ||
6927 | fp = fopen("/proc/net/route", "r"); | |
6928 | if (fp == NULL) { | |
a3ca7bb2 | 6929 | return -1; |
de6b9933 LV |
6930 | } |
6931 | ||
6932 | /* read header */ | |
6933 | ||
6934 | read = getline(&line, &len, fp); | |
6935 | dprintf(fd, "%s", line); | |
6936 | ||
6937 | /* read routes */ | |
6938 | ||
6939 | while ((read = getline(&line, &len, fp)) != -1) { | |
6940 | char iface[16]; | |
6941 | uint32_t dest, gw, mask; | |
6942 | unsigned int flags, refcnt, use, metric, mtu, window, irtt; | |
9d0bd0cd PM |
6943 | int fields; |
6944 | ||
6945 | fields = sscanf(line, | |
6946 | "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
6947 | iface, &dest, &gw, &flags, &refcnt, &use, &metric, | |
6948 | &mask, &mtu, &window, &irtt); | |
6949 | if (fields != 11) { | |
6950 | continue; | |
6951 | } | |
de6b9933 LV |
6952 | dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", |
6953 | iface, tswap32(dest), tswap32(gw), flags, refcnt, use, | |
6954 | metric, tswap32(mask), mtu, window, irtt); | |
6955 | } | |
6956 | ||
6957 | free(line); | |
6958 | fclose(fp); | |
6959 | ||
6960 | return 0; | |
6961 | } | |
6962 | #endif | |
6963 | ||
fff69382 LV |
6964 | #if defined(TARGET_SPARC) |
6965 | static int open_cpuinfo(void *cpu_env, int fd) | |
6966 | { | |
6967 | dprintf(fd, "type\t\t: sun4u\n"); | |
6968 | return 0; | |
6969 | } | |
6970 | #endif | |
6971 | ||
4ab6713e LV |
6972 | #if defined(TARGET_M68K) |
6973 | static int open_hardware(void *cpu_env, int fd) | |
6974 | { | |
6975 | dprintf(fd, "Model:\t\tqemu-m68k\n"); | |
6976 | return 0; | |
6977 | } | |
6978 | #endif | |
6979 | ||
0b2effd7 | 6980 | static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode) |
3be14d05 AG |
6981 | { |
6982 | struct fake_open { | |
6983 | const char *filename; | |
6984 | int (*fill)(void *cpu_env, int fd); | |
de6b9933 | 6985 | int (*cmp)(const char *s1, const char *s2); |
3be14d05 AG |
6986 | }; |
6987 | const struct fake_open *fake_open; | |
6988 | static const struct fake_open fakes[] = { | |
de6b9933 LV |
6989 | { "maps", open_self_maps, is_proc_myself }, |
6990 | { "stat", open_self_stat, is_proc_myself }, | |
6991 | { "auxv", open_self_auxv, is_proc_myself }, | |
76b94245 | 6992 | { "cmdline", open_self_cmdline, is_proc_myself }, |
de6b9933 LV |
6993 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
6994 | { "/proc/net/route", open_net_route, is_proc }, | |
fff69382 LV |
6995 | #endif |
6996 | #if defined(TARGET_SPARC) | |
6997 | { "/proc/cpuinfo", open_cpuinfo, is_proc }, | |
4ab6713e LV |
6998 | #endif |
6999 | #if defined(TARGET_M68K) | |
7000 | { "/proc/hardware", open_hardware, is_proc }, | |
de6b9933 LV |
7001 | #endif |
7002 | { NULL, NULL, NULL } | |
3be14d05 AG |
7003 | }; |
7004 | ||
aa07f5ec MO |
7005 | if (is_proc_myself(pathname, "exe")) { |
7006 | int execfd = qemu_getauxval(AT_EXECFD); | |
c10a0738 | 7007 | return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode); |
aa07f5ec MO |
7008 | } |
7009 | ||
3be14d05 | 7010 | for (fake_open = fakes; fake_open->filename; fake_open++) { |
de6b9933 | 7011 | if (fake_open->cmp(pathname, fake_open->filename)) { |
3be14d05 AG |
7012 | break; |
7013 | } | |
7014 | } | |
7015 | ||
7016 | if (fake_open->filename) { | |
7017 | const char *tmpdir; | |
7018 | char filename[PATH_MAX]; | |
7019 | int fd, r; | |
7020 | ||
7021 | /* create temporary file to map stat to */ | |
7022 | tmpdir = getenv("TMPDIR"); | |
7023 | if (!tmpdir) | |
7024 | tmpdir = "/tmp"; | |
7025 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
7026 | fd = mkstemp(filename); | |
7027 | if (fd < 0) { | |
7028 | return fd; | |
7029 | } | |
7030 | unlink(filename); | |
7031 | ||
7032 | if ((r = fake_open->fill(cpu_env, fd))) { | |
a3ca7bb2 | 7033 | int e = errno; |
3be14d05 | 7034 | close(fd); |
a3ca7bb2 | 7035 | errno = e; |
3be14d05 AG |
7036 | return r; |
7037 | } | |
7038 | lseek(fd, 0, SEEK_SET); | |
7039 | ||
7040 | return fd; | |
7041 | } | |
7042 | ||
c10a0738 | 7043 | return safe_openat(dirfd, path(pathname), flags, mode); |
3be14d05 AG |
7044 | } |
7045 | ||
aecc8861 AG |
7046 | #define TIMER_MAGIC 0x0caf0000 |
7047 | #define TIMER_MAGIC_MASK 0xffff0000 | |
7048 | ||
7049 | /* Convert QEMU provided timer ID back to internal 16bit index format */ | |
7050 | static target_timer_t get_timer_id(abi_long arg) | |
7051 | { | |
7052 | target_timer_t timerid = arg; | |
7053 | ||
7054 | if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) { | |
7055 | return -TARGET_EINVAL; | |
7056 | } | |
7057 | ||
7058 | timerid &= 0xffff; | |
7059 | ||
7060 | if (timerid >= ARRAY_SIZE(g_posix_timers)) { | |
7061 | return -TARGET_EINVAL; | |
7062 | } | |
7063 | ||
7064 | return timerid; | |
7065 | } | |
7066 | ||
2e0a8713 ST |
7067 | static int target_to_host_cpu_mask(unsigned long *host_mask, |
7068 | size_t host_size, | |
7069 | abi_ulong target_addr, | |
7070 | size_t target_size) | |
7071 | { | |
7072 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
7073 | unsigned host_bits = sizeof(*host_mask) * 8; | |
7074 | abi_ulong *target_mask; | |
7075 | unsigned i, j; | |
7076 | ||
7077 | assert(host_size >= target_size); | |
7078 | ||
7079 | target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1); | |
7080 | if (!target_mask) { | |
7081 | return -TARGET_EFAULT; | |
7082 | } | |
7083 | memset(host_mask, 0, host_size); | |
7084 | ||
7085 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
7086 | unsigned bit = i * target_bits; | |
7087 | abi_ulong val; | |
7088 | ||
7089 | __get_user(val, &target_mask[i]); | |
7090 | for (j = 0; j < target_bits; j++, bit++) { | |
7091 | if (val & (1UL << j)) { | |
7092 | host_mask[bit / host_bits] |= 1UL << (bit % host_bits); | |
7093 | } | |
7094 | } | |
7095 | } | |
7096 | ||
7097 | unlock_user(target_mask, target_addr, 0); | |
7098 | return 0; | |
7099 | } | |
7100 | ||
7101 | static int host_to_target_cpu_mask(const unsigned long *host_mask, | |
7102 | size_t host_size, | |
7103 | abi_ulong target_addr, | |
7104 | size_t target_size) | |
7105 | { | |
7106 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
7107 | unsigned host_bits = sizeof(*host_mask) * 8; | |
7108 | abi_ulong *target_mask; | |
7109 | unsigned i, j; | |
7110 | ||
7111 | assert(host_size >= target_size); | |
7112 | ||
7113 | target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0); | |
7114 | if (!target_mask) { | |
7115 | return -TARGET_EFAULT; | |
7116 | } | |
7117 | ||
7118 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
7119 | unsigned bit = i * target_bits; | |
7120 | abi_ulong val = 0; | |
7121 | ||
7122 | for (j = 0; j < target_bits; j++, bit++) { | |
7123 | if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) { | |
7124 | val |= 1UL << j; | |
7125 | } | |
7126 | } | |
7127 | __put_user(val, &target_mask[i]); | |
7128 | } | |
7129 | ||
7130 | unlock_user(target_mask, target_addr, target_size); | |
7131 | return 0; | |
7132 | } | |
7133 | ||
dc1ce18b RH |
7134 | /* This is an internal helper for do_syscall so that it is easier |
7135 | * to have a single return point, so that actions, such as logging | |
7136 | * of syscall results, can be performed. | |
7137 | * All errnos that do_syscall() returns must be -TARGET_<errcode>. | |
7138 | */ | |
7139 | static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, | |
7140 | abi_long arg2, abi_long arg3, abi_long arg4, | |
7141 | abi_long arg5, abi_long arg6, abi_long arg7, | |
7142 | abi_long arg8) | |
31e31b8a | 7143 | { |
29a0af61 | 7144 | CPUState *cpu = env_cpu(cpu_env); |
992f48a0 | 7145 | abi_long ret; |
4f7f8924 AR |
7146 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \ |
7147 | || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \ | |
efa92184 AR |
7148 | || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) \ |
7149 | || defined(TARGET_NR_statx) | |
31e31b8a | 7150 | struct stat st; |
4f7f8924 AR |
7151 | #endif |
7152 | #if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \ | |
7153 | || defined(TARGET_NR_fstatfs) | |
56c8f68f | 7154 | struct statfs stfs; |
4f7f8924 | 7155 | #endif |
53a5960a | 7156 | void *p; |
3b46e624 | 7157 | |
31e31b8a FB |
7158 | switch(num) { |
7159 | case TARGET_NR_exit: | |
9b056fcc AF |
7160 | /* In old applications this may be used to implement _exit(2). |
7161 | However in threaded applictions it is used for thread termination, | |
7162 | and _exit_group is used for application termination. | |
7163 | Do thread termination if we have more then one thread. */ | |
a0995886 TB |
7164 | |
7165 | if (block_signals()) { | |
72eb7ea8 | 7166 | return -TARGET_ERESTARTSYS; |
a0995886 TB |
7167 | } |
7168 | ||
dd1f6349 AB |
7169 | cpu_list_lock(); |
7170 | ||
bdc44640 | 7171 | if (CPU_NEXT(first_cpu)) { |
9b056fcc | 7172 | TaskState *ts; |
9b056fcc | 7173 | |
9b056fcc | 7174 | /* Remove the CPU from the list. */ |
068a5ea0 | 7175 | QTAILQ_REMOVE_RCU(&cpus, cpu, node); |
dd1f6349 | 7176 | |
9b056fcc | 7177 | cpu_list_unlock(); |
dd1f6349 | 7178 | |
0429a971 | 7179 | ts = cpu->opaque; |
9b056fcc AF |
7180 | if (ts->child_tidptr) { |
7181 | put_user_u32(0, ts->child_tidptr); | |
7182 | sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, | |
7183 | NULL, NULL, 0); | |
7184 | } | |
a2247f8e | 7185 | thread_cpu = NULL; |
0429a971 | 7186 | object_unref(OBJECT(cpu)); |
9b056fcc | 7187 | g_free(ts); |
70903763 | 7188 | rcu_unregister_thread(); |
9b056fcc AF |
7189 | pthread_exit(NULL); |
7190 | } | |
dd1f6349 AB |
7191 | |
7192 | cpu_list_unlock(); | |
708b6a64 | 7193 | preexit_cleanup(cpu_env, arg1); |
c2764719 | 7194 | _exit(arg1); |
72eb7ea8 | 7195 | return 0; /* avoid warning */ |
31e31b8a | 7196 | case TARGET_NR_read: |
ba584f1d AS |
7197 | if (arg2 == 0 && arg3 == 0) { |
7198 | return get_errno(safe_read(arg1, 0, 0)); | |
72eb7ea8 | 7199 | } else { |
38d840e6 | 7200 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
2852aafd | 7201 | return -TARGET_EFAULT; |
50afd02b | 7202 | ret = get_errno(safe_read(arg1, p, arg3)); |
e36800c9 | 7203 | if (ret >= 0 && |
5d4d3665 LV |
7204 | fd_trans_host_to_target_data(arg1)) { |
7205 | ret = fd_trans_host_to_target_data(arg1)(p, ret); | |
e36800c9 | 7206 | } |
38d840e6 AJ |
7207 | unlock_user(p, arg2, ret); |
7208 | } | |
72eb7ea8 | 7209 | return ret; |
31e31b8a | 7210 | case TARGET_NR_write: |
58cfa6c2 TGJ |
7211 | if (arg2 == 0 && arg3 == 0) { |
7212 | return get_errno(safe_write(arg1, 0, 0)); | |
7213 | } | |
579a97f7 | 7214 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
2852aafd | 7215 | return -TARGET_EFAULT; |
04b9bcf9 LV |
7216 | if (fd_trans_target_to_host_data(arg1)) { |
7217 | void *copy = g_malloc(arg3); | |
7218 | memcpy(copy, p, arg3); | |
7219 | ret = fd_trans_target_to_host_data(arg1)(copy, arg3); | |
7220 | if (ret >= 0) { | |
7221 | ret = get_errno(safe_write(arg1, copy, ret)); | |
7222 | } | |
7223 | g_free(copy); | |
7224 | } else { | |
7225 | ret = get_errno(safe_write(arg1, p, arg3)); | |
7226 | } | |
53a5960a | 7227 | unlock_user(p, arg2, 0); |
72eb7ea8 RH |
7228 | return ret; |
7229 | ||
704eff6c | 7230 | #ifdef TARGET_NR_open |
31e31b8a | 7231 | case TARGET_NR_open: |
2f619698 | 7232 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7233 | return -TARGET_EFAULT; |
0b2effd7 RV |
7234 | ret = get_errno(do_openat(cpu_env, AT_FDCWD, p, |
7235 | target_to_host_bitmask(arg2, fcntl_flags_tbl), | |
7236 | arg3)); | |
e36800c9 | 7237 | fd_trans_unregister(ret); |
53a5960a | 7238 | unlock_user(p, arg1, 0); |
72eb7ea8 | 7239 | return ret; |
704eff6c | 7240 | #endif |
82424832 | 7241 | case TARGET_NR_openat: |
579a97f7 | 7242 | if (!(p = lock_user_string(arg2))) |
2852aafd | 7243 | return -TARGET_EFAULT; |
0b2effd7 RV |
7244 | ret = get_errno(do_openat(cpu_env, arg1, p, |
7245 | target_to_host_bitmask(arg3, fcntl_flags_tbl), | |
7246 | arg4)); | |
e36800c9 | 7247 | fd_trans_unregister(ret); |
579a97f7 | 7248 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7249 | return ret; |
0f0426f3 LV |
7250 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
7251 | case TARGET_NR_name_to_handle_at: | |
7252 | ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5); | |
72eb7ea8 | 7253 | return ret; |
0f0426f3 LV |
7254 | #endif |
7255 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
7256 | case TARGET_NR_open_by_handle_at: | |
7257 | ret = do_open_by_handle_at(arg1, arg2, arg3); | |
e36800c9 | 7258 | fd_trans_unregister(ret); |
72eb7ea8 | 7259 | return ret; |
0f0426f3 | 7260 | #endif |
31e31b8a | 7261 | case TARGET_NR_close: |
e36800c9 | 7262 | fd_trans_unregister(arg1); |
72eb7ea8 RH |
7263 | return get_errno(close(arg1)); |
7264 | ||
31e31b8a | 7265 | case TARGET_NR_brk: |
72eb7ea8 | 7266 | return do_brk(arg1); |
704eff6c | 7267 | #ifdef TARGET_NR_fork |
31e31b8a | 7268 | case TARGET_NR_fork: |
72eb7ea8 | 7269 | return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0)); |
704eff6c | 7270 | #endif |
e5febef5 | 7271 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
7272 | case TARGET_NR_waitpid: |
7273 | { | |
53a5960a | 7274 | int status; |
4af80a37 | 7275 | ret = get_errno(safe_wait4(arg1, &status, arg3, 0)); |
5379557b | 7276 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 7277 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2852aafd | 7278 | return -TARGET_EFAULT; |
31e31b8a | 7279 | } |
72eb7ea8 | 7280 | return ret; |
e5febef5 | 7281 | #endif |
f0cbb613 PB |
7282 | #ifdef TARGET_NR_waitid |
7283 | case TARGET_NR_waitid: | |
7284 | { | |
7285 | siginfo_t info; | |
7286 | info.si_pid = 0; | |
4af80a37 | 7287 | ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL)); |
f0cbb613 | 7288 | if (!is_error(ret) && arg3 && info.si_pid != 0) { |
c227f099 | 7289 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
2852aafd | 7290 | return -TARGET_EFAULT; |
f0cbb613 | 7291 | host_to_target_siginfo(p, &info); |
c227f099 | 7292 | unlock_user(p, arg3, sizeof(target_siginfo_t)); |
f0cbb613 PB |
7293 | } |
7294 | } | |
72eb7ea8 | 7295 | return ret; |
f0cbb613 | 7296 | #endif |
7a3148a9 | 7297 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 7298 | case TARGET_NR_creat: |
579a97f7 | 7299 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7300 | return -TARGET_EFAULT; |
53a5960a | 7301 | ret = get_errno(creat(p, arg2)); |
e36800c9 | 7302 | fd_trans_unregister(ret); |
53a5960a | 7303 | unlock_user(p, arg1, 0); |
72eb7ea8 | 7304 | return ret; |
7a3148a9 | 7305 | #endif |
704eff6c | 7306 | #ifdef TARGET_NR_link |
31e31b8a | 7307 | case TARGET_NR_link: |
53a5960a PB |
7308 | { |
7309 | void * p2; | |
7310 | p = lock_user_string(arg1); | |
7311 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
7312 | if (!p || !p2) |
7313 | ret = -TARGET_EFAULT; | |
7314 | else | |
7315 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
7316 | unlock_user(p2, arg2, 0); |
7317 | unlock_user(p, arg1, 0); | |
7318 | } | |
72eb7ea8 | 7319 | return ret; |
704eff6c | 7320 | #endif |
c0d472b1 | 7321 | #if defined(TARGET_NR_linkat) |
64f0ce4c | 7322 | case TARGET_NR_linkat: |
64f0ce4c TS |
7323 | { |
7324 | void * p2 = NULL; | |
579a97f7 | 7325 | if (!arg2 || !arg4) |
2852aafd | 7326 | return -TARGET_EFAULT; |
64f0ce4c TS |
7327 | p = lock_user_string(arg2); |
7328 | p2 = lock_user_string(arg4); | |
579a97f7 | 7329 | if (!p || !p2) |
0da46a6e | 7330 | ret = -TARGET_EFAULT; |
64f0ce4c | 7331 | else |
c0d472b1 | 7332 | ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
579a97f7 FB |
7333 | unlock_user(p, arg2, 0); |
7334 | unlock_user(p2, arg4, 0); | |
64f0ce4c | 7335 | } |
72eb7ea8 | 7336 | return ret; |
64f0ce4c | 7337 | #endif |
704eff6c | 7338 | #ifdef TARGET_NR_unlink |
31e31b8a | 7339 | case TARGET_NR_unlink: |
579a97f7 | 7340 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7341 | return -TARGET_EFAULT; |
53a5960a PB |
7342 | ret = get_errno(unlink(p)); |
7343 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7344 | return ret; |
704eff6c | 7345 | #endif |
c0d472b1 | 7346 | #if defined(TARGET_NR_unlinkat) |
8170f56b | 7347 | case TARGET_NR_unlinkat: |
579a97f7 | 7348 | if (!(p = lock_user_string(arg2))) |
2852aafd | 7349 | return -TARGET_EFAULT; |
c0d472b1 | 7350 | ret = get_errno(unlinkat(arg1, p, arg3)); |
579a97f7 | 7351 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7352 | return ret; |
b7d35e65 | 7353 | #endif |
31e31b8a | 7354 | case TARGET_NR_execve: |
7854b056 FB |
7355 | { |
7356 | char **argp, **envp; | |
f7341ff4 | 7357 | int argc, envc; |
992f48a0 BS |
7358 | abi_ulong gp; |
7359 | abi_ulong guest_argp; | |
7360 | abi_ulong guest_envp; | |
7361 | abi_ulong addr; | |
7854b056 | 7362 | char **q; |
a6f79cc9 | 7363 | int total_size = 0; |
7854b056 | 7364 | |
f7341ff4 | 7365 | argc = 0; |
53a5960a | 7366 | guest_argp = arg2; |
da94d263 | 7367 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 7368 | if (get_user_ual(addr, gp)) |
2852aafd | 7369 | return -TARGET_EFAULT; |
03aa1976 | 7370 | if (!addr) |
2f619698 | 7371 | break; |
7854b056 | 7372 | argc++; |
2f619698 | 7373 | } |
f7341ff4 | 7374 | envc = 0; |
53a5960a | 7375 | guest_envp = arg3; |
da94d263 | 7376 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 7377 | if (get_user_ual(addr, gp)) |
2852aafd | 7378 | return -TARGET_EFAULT; |
03aa1976 | 7379 | if (!addr) |
2f619698 | 7380 | break; |
7854b056 | 7381 | envc++; |
2f619698 | 7382 | } |
7854b056 | 7383 | |
b936cb50 PP |
7384 | argp = g_new0(char *, argc + 1); |
7385 | envp = g_new0(char *, envc + 1); | |
7854b056 | 7386 | |
da94d263 | 7387 | for (gp = guest_argp, q = argp; gp; |
992f48a0 | 7388 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7389 | if (get_user_ual(addr, gp)) |
7390 | goto execve_efault; | |
53a5960a PB |
7391 | if (!addr) |
7392 | break; | |
2f619698 FB |
7393 | if (!(*q = lock_user_string(addr))) |
7394 | goto execve_efault; | |
a6f79cc9 | 7395 | total_size += strlen(*q) + 1; |
53a5960a | 7396 | } |
f7341ff4 FB |
7397 | *q = NULL; |
7398 | ||
da94d263 | 7399 | for (gp = guest_envp, q = envp; gp; |
992f48a0 | 7400 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7401 | if (get_user_ual(addr, gp)) |
7402 | goto execve_efault; | |
53a5960a PB |
7403 | if (!addr) |
7404 | break; | |
2f619698 FB |
7405 | if (!(*q = lock_user_string(addr))) |
7406 | goto execve_efault; | |
a6f79cc9 | 7407 | total_size += strlen(*q) + 1; |
53a5960a | 7408 | } |
f7341ff4 | 7409 | *q = NULL; |
7854b056 | 7410 | |
2f619698 FB |
7411 | if (!(p = lock_user_string(arg1))) |
7412 | goto execve_efault; | |
ffdcbe22 TB |
7413 | /* Although execve() is not an interruptible syscall it is |
7414 | * a special case where we must use the safe_syscall wrapper: | |
7415 | * if we allow a signal to happen before we make the host | |
7416 | * syscall then we will 'lose' it, because at the point of | |
7417 | * execve the process leaves QEMU's control. So we use the | |
7418 | * safe syscall wrapper to ensure that we either take the | |
7419 | * signal as a guest signal, or else it does not happen | |
7420 | * before the execve completes and makes it the other | |
7421 | * program's problem. | |
7422 | */ | |
7423 | ret = get_errno(safe_execve(p, argp, envp)); | |
53a5960a PB |
7424 | unlock_user(p, arg1, 0); |
7425 | ||
2f619698 FB |
7426 | goto execve_end; |
7427 | ||
7428 | execve_efault: | |
7429 | ret = -TARGET_EFAULT; | |
7430 | ||
7431 | execve_end: | |
53a5960a | 7432 | for (gp = guest_argp, q = argp; *q; |
992f48a0 | 7433 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7434 | if (get_user_ual(addr, gp) |
7435 | || !addr) | |
7436 | break; | |
53a5960a PB |
7437 | unlock_user(*q, addr, 0); |
7438 | } | |
7439 | for (gp = guest_envp, q = envp; *q; | |
992f48a0 | 7440 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7441 | if (get_user_ual(addr, gp) |
7442 | || !addr) | |
7443 | break; | |
53a5960a PB |
7444 | unlock_user(*q, addr, 0); |
7445 | } | |
b936cb50 PP |
7446 | |
7447 | g_free(argp); | |
7448 | g_free(envp); | |
7854b056 | 7449 | } |
72eb7ea8 | 7450 | return ret; |
31e31b8a | 7451 | case TARGET_NR_chdir: |
579a97f7 | 7452 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7453 | return -TARGET_EFAULT; |
53a5960a PB |
7454 | ret = get_errno(chdir(p)); |
7455 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7456 | return ret; |
a315a145 | 7457 | #ifdef TARGET_NR_time |
31e31b8a FB |
7458 | case TARGET_NR_time: |
7459 | { | |
53a5960a PB |
7460 | time_t host_time; |
7461 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
7462 | if (!is_error(ret) |
7463 | && arg1 | |
7464 | && put_user_sal(host_time, arg1)) | |
2852aafd | 7465 | return -TARGET_EFAULT; |
31e31b8a | 7466 | } |
72eb7ea8 | 7467 | return ret; |
a315a145 | 7468 | #endif |
704eff6c | 7469 | #ifdef TARGET_NR_mknod |
31e31b8a | 7470 | case TARGET_NR_mknod: |
579a97f7 | 7471 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7472 | return -TARGET_EFAULT; |
53a5960a PB |
7473 | ret = get_errno(mknod(p, arg2, arg3)); |
7474 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7475 | return ret; |
704eff6c | 7476 | #endif |
c0d472b1 | 7477 | #if defined(TARGET_NR_mknodat) |
75ac37a0 | 7478 | case TARGET_NR_mknodat: |
579a97f7 | 7479 | if (!(p = lock_user_string(arg2))) |
2852aafd | 7480 | return -TARGET_EFAULT; |
c0d472b1 | 7481 | ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
579a97f7 | 7482 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7483 | return ret; |
75ac37a0 | 7484 | #endif |
704eff6c | 7485 | #ifdef TARGET_NR_chmod |
31e31b8a | 7486 | case TARGET_NR_chmod: |
579a97f7 | 7487 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7488 | return -TARGET_EFAULT; |
53a5960a PB |
7489 | ret = get_errno(chmod(p, arg2)); |
7490 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7491 | return ret; |
704eff6c | 7492 | #endif |
4f7f8924 | 7493 | #ifdef TARGET_NR_lseek |
31e31b8a | 7494 | case TARGET_NR_lseek: |
72eb7ea8 | 7495 | return get_errno(lseek(arg1, arg2, arg3)); |
4f7f8924 | 7496 | #endif |
9231733a RH |
7497 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
7498 | /* Alpha specific */ | |
7a3148a9 | 7499 | case TARGET_NR_getxpid: |
9231733a | 7500 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
72eb7ea8 | 7501 | return get_errno(getpid()); |
7a3148a9 | 7502 | #endif |
9231733a RH |
7503 | #ifdef TARGET_NR_getpid |
7504 | case TARGET_NR_getpid: | |
72eb7ea8 | 7505 | return get_errno(getpid()); |
9231733a | 7506 | #endif |
31e31b8a | 7507 | case TARGET_NR_mount: |
356d771b PB |
7508 | { |
7509 | /* need to look at the data field */ | |
7510 | void *p2, *p3; | |
7511 | ||
7512 | if (arg1) { | |
7513 | p = lock_user_string(arg1); | |
7514 | if (!p) { | |
2852aafd | 7515 | return -TARGET_EFAULT; |
356d771b PB |
7516 | } |
7517 | } else { | |
7518 | p = NULL; | |
7519 | } | |
7520 | ||
7521 | p2 = lock_user_string(arg2); | |
7522 | if (!p2) { | |
7523 | if (arg1) { | |
7524 | unlock_user(p, arg1, 0); | |
7525 | } | |
2852aafd | 7526 | return -TARGET_EFAULT; |
356d771b PB |
7527 | } |
7528 | ||
7529 | if (arg3) { | |
7530 | p3 = lock_user_string(arg3); | |
7531 | if (!p3) { | |
7532 | if (arg1) { | |
579a97f7 | 7533 | unlock_user(p, arg1, 0); |
356d771b PB |
7534 | } |
7535 | unlock_user(p2, arg2, 0); | |
2852aafd | 7536 | return -TARGET_EFAULT; |
356d771b PB |
7537 | } |
7538 | } else { | |
7539 | p3 = NULL; | |
7540 | } | |
7541 | ||
7542 | /* FIXME - arg5 should be locked, but it isn't clear how to | |
7543 | * do that since it's not guaranteed to be a NULL-terminated | |
7544 | * string. | |
7545 | */ | |
7546 | if (!arg5) { | |
7547 | ret = mount(p, p2, p3, (unsigned long)arg4, NULL); | |
7548 | } else { | |
7549 | ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)); | |
7550 | } | |
7551 | ret = get_errno(ret); | |
7552 | ||
7553 | if (arg1) { | |
7554 | unlock_user(p, arg1, 0); | |
7555 | } | |
7556 | unlock_user(p2, arg2, 0); | |
7557 | if (arg3) { | |
7558 | unlock_user(p3, arg3, 0); | |
7559 | } | |
7560 | } | |
72eb7ea8 | 7561 | return ret; |
e5febef5 | 7562 | #ifdef TARGET_NR_umount |
31e31b8a | 7563 | case TARGET_NR_umount: |
579a97f7 | 7564 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7565 | return -TARGET_EFAULT; |
53a5960a PB |
7566 | ret = get_errno(umount(p)); |
7567 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7568 | return ret; |
e5febef5 | 7569 | #endif |
7a3148a9 | 7570 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
7571 | case TARGET_NR_stime: |
7572 | { | |
53a5960a | 7573 | time_t host_time; |
2f619698 | 7574 | if (get_user_sal(host_time, arg1)) |
2852aafd | 7575 | return -TARGET_EFAULT; |
72eb7ea8 | 7576 | return get_errno(stime(&host_time)); |
31e31b8a | 7577 | } |
7a3148a9 | 7578 | #endif |
7a3148a9 | 7579 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a | 7580 | case TARGET_NR_alarm: |
72eb7ea8 | 7581 | return alarm(arg1); |
7a3148a9 | 7582 | #endif |
7a3148a9 | 7583 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a | 7584 | case TARGET_NR_pause: |
f59ec606 TB |
7585 | if (!block_signals()) { |
7586 | sigsuspend(&((TaskState *)cpu->opaque)->signal_mask); | |
7587 | } | |
72eb7ea8 | 7588 | return -TARGET_EINTR; |
7a3148a9 | 7589 | #endif |
e5febef5 | 7590 | #ifdef TARGET_NR_utime |
31e31b8a | 7591 | case TARGET_NR_utime: |
ebc05488 | 7592 | { |
53a5960a PB |
7593 | struct utimbuf tbuf, *host_tbuf; |
7594 | struct target_utimbuf *target_tbuf; | |
7595 | if (arg2) { | |
579a97f7 | 7596 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
2852aafd | 7597 | return -TARGET_EFAULT; |
cbb21eed MB |
7598 | tbuf.actime = tswapal(target_tbuf->actime); |
7599 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
7600 | unlock_user_struct(target_tbuf, arg2, 0); |
7601 | host_tbuf = &tbuf; | |
f72e8ff4 | 7602 | } else { |
53a5960a | 7603 | host_tbuf = NULL; |
f72e8ff4 | 7604 | } |
579a97f7 | 7605 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7606 | return -TARGET_EFAULT; |
53a5960a PB |
7607 | ret = get_errno(utime(p, host_tbuf)); |
7608 | unlock_user(p, arg1, 0); | |
ebc05488 | 7609 | } |
72eb7ea8 | 7610 | return ret; |
e5febef5 | 7611 | #endif |
704eff6c | 7612 | #ifdef TARGET_NR_utimes |
978a66ff FB |
7613 | case TARGET_NR_utimes: |
7614 | { | |
978a66ff | 7615 | struct timeval *tvp, tv[2]; |
53a5960a | 7616 | if (arg2) { |
788f5ec4 TS |
7617 | if (copy_from_user_timeval(&tv[0], arg2) |
7618 | || copy_from_user_timeval(&tv[1], | |
7619 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 7620 | return -TARGET_EFAULT; |
978a66ff FB |
7621 | tvp = tv; |
7622 | } else { | |
7623 | tvp = NULL; | |
7624 | } | |
579a97f7 | 7625 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7626 | return -TARGET_EFAULT; |
53a5960a PB |
7627 | ret = get_errno(utimes(p, tvp)); |
7628 | unlock_user(p, arg1, 0); | |
978a66ff | 7629 | } |
72eb7ea8 | 7630 | return ret; |
704eff6c | 7631 | #endif |
c0d472b1 | 7632 | #if defined(TARGET_NR_futimesat) |
ac8a6556 AZ |
7633 | case TARGET_NR_futimesat: |
7634 | { | |
7635 | struct timeval *tvp, tv[2]; | |
7636 | if (arg3) { | |
7637 | if (copy_from_user_timeval(&tv[0], arg3) | |
7638 | || copy_from_user_timeval(&tv[1], | |
7639 | arg3 + sizeof(struct target_timeval))) | |
2852aafd | 7640 | return -TARGET_EFAULT; |
ac8a6556 AZ |
7641 | tvp = tv; |
7642 | } else { | |
7643 | tvp = NULL; | |
7644 | } | |
2852aafd RH |
7645 | if (!(p = lock_user_string(arg2))) { |
7646 | return -TARGET_EFAULT; | |
7647 | } | |
c0d472b1 | 7648 | ret = get_errno(futimesat(arg1, path(p), tvp)); |
ac8a6556 AZ |
7649 | unlock_user(p, arg2, 0); |
7650 | } | |
72eb7ea8 | 7651 | return ret; |
ac8a6556 | 7652 | #endif |
704eff6c | 7653 | #ifdef TARGET_NR_access |
31e31b8a | 7654 | case TARGET_NR_access: |
2852aafd RH |
7655 | if (!(p = lock_user_string(arg1))) { |
7656 | return -TARGET_EFAULT; | |
7657 | } | |
719f908e | 7658 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 7659 | unlock_user(p, arg1, 0); |
72eb7ea8 | 7660 | return ret; |
704eff6c | 7661 | #endif |
92a34c10 TS |
7662 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
7663 | case TARGET_NR_faccessat: | |
2852aafd RH |
7664 | if (!(p = lock_user_string(arg2))) { |
7665 | return -TARGET_EFAULT; | |
7666 | } | |
c0d472b1 | 7667 | ret = get_errno(faccessat(arg1, p, arg3, 0)); |
579a97f7 | 7668 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7669 | return ret; |
92a34c10 | 7670 | #endif |
7a3148a9 | 7671 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a | 7672 | case TARGET_NR_nice: |
72eb7ea8 | 7673 | return get_errno(nice(arg1)); |
ebc05488 | 7674 | #endif |
31e31b8a | 7675 | case TARGET_NR_sync: |
04369ff2 | 7676 | sync(); |
72eb7ea8 | 7677 | return 0; |
5a03cd00 AM |
7678 | #if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS) |
7679 | case TARGET_NR_syncfs: | |
72eb7ea8 | 7680 | return get_errno(syncfs(arg1)); |
5a03cd00 | 7681 | #endif |
31e31b8a | 7682 | case TARGET_NR_kill: |
72eb7ea8 | 7683 | return get_errno(safe_kill(arg1, target_to_host_signal(arg2))); |
704eff6c | 7684 | #ifdef TARGET_NR_rename |
31e31b8a | 7685 | case TARGET_NR_rename: |
53a5960a PB |
7686 | { |
7687 | void *p2; | |
7688 | p = lock_user_string(arg1); | |
7689 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
7690 | if (!p || !p2) |
7691 | ret = -TARGET_EFAULT; | |
7692 | else | |
7693 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
7694 | unlock_user(p2, arg2, 0); |
7695 | unlock_user(p, arg1, 0); | |
7696 | } | |
72eb7ea8 | 7697 | return ret; |
704eff6c | 7698 | #endif |
c0d472b1 | 7699 | #if defined(TARGET_NR_renameat) |
722183f6 | 7700 | case TARGET_NR_renameat: |
722183f6 | 7701 | { |
579a97f7 | 7702 | void *p2; |
722183f6 TS |
7703 | p = lock_user_string(arg2); |
7704 | p2 = lock_user_string(arg4); | |
579a97f7 | 7705 | if (!p || !p2) |
0da46a6e | 7706 | ret = -TARGET_EFAULT; |
722183f6 | 7707 | else |
c0d472b1 | 7708 | ret = get_errno(renameat(arg1, p, arg3, p2)); |
579a97f7 FB |
7709 | unlock_user(p2, arg4, 0); |
7710 | unlock_user(p, arg2, 0); | |
722183f6 | 7711 | } |
72eb7ea8 | 7712 | return ret; |
95d0307c AS |
7713 | #endif |
7714 | #if defined(TARGET_NR_renameat2) | |
7715 | case TARGET_NR_renameat2: | |
7716 | { | |
7717 | void *p2; | |
7718 | p = lock_user_string(arg2); | |
7719 | p2 = lock_user_string(arg4); | |
7720 | if (!p || !p2) { | |
7721 | ret = -TARGET_EFAULT; | |
7722 | } else { | |
7723 | ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5)); | |
7724 | } | |
7725 | unlock_user(p2, arg4, 0); | |
7726 | unlock_user(p, arg2, 0); | |
7727 | } | |
72eb7ea8 | 7728 | return ret; |
722183f6 | 7729 | #endif |
704eff6c | 7730 | #ifdef TARGET_NR_mkdir |
31e31b8a | 7731 | case TARGET_NR_mkdir: |
579a97f7 | 7732 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7733 | return -TARGET_EFAULT; |
53a5960a PB |
7734 | ret = get_errno(mkdir(p, arg2)); |
7735 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7736 | return ret; |
704eff6c | 7737 | #endif |
c0d472b1 | 7738 | #if defined(TARGET_NR_mkdirat) |
4472ad0d | 7739 | case TARGET_NR_mkdirat: |
579a97f7 | 7740 | if (!(p = lock_user_string(arg2))) |
2852aafd | 7741 | return -TARGET_EFAULT; |
c0d472b1 | 7742 | ret = get_errno(mkdirat(arg1, p, arg3)); |
579a97f7 | 7743 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7744 | return ret; |
4472ad0d | 7745 | #endif |
704eff6c | 7746 | #ifdef TARGET_NR_rmdir |
31e31b8a | 7747 | case TARGET_NR_rmdir: |
579a97f7 | 7748 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7749 | return -TARGET_EFAULT; |
53a5960a PB |
7750 | ret = get_errno(rmdir(p)); |
7751 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7752 | return ret; |
704eff6c | 7753 | #endif |
31e31b8a FB |
7754 | case TARGET_NR_dup: |
7755 | ret = get_errno(dup(arg1)); | |
e36800c9 LV |
7756 | if (ret >= 0) { |
7757 | fd_trans_dup(arg1, ret); | |
7758 | } | |
72eb7ea8 | 7759 | return ret; |
704eff6c | 7760 | #ifdef TARGET_NR_pipe |
31e31b8a | 7761 | case TARGET_NR_pipe: |
72eb7ea8 | 7762 | return do_pipe(cpu_env, arg1, 0, 0); |
704eff6c | 7763 | #endif |
099d6b0f RV |
7764 | #ifdef TARGET_NR_pipe2 |
7765 | case TARGET_NR_pipe2: | |
72eb7ea8 RH |
7766 | return do_pipe(cpu_env, arg1, |
7767 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
099d6b0f | 7768 | #endif |
31e31b8a | 7769 | case TARGET_NR_times: |
32f36bce | 7770 | { |
53a5960a | 7771 | struct target_tms *tmsp; |
32f36bce FB |
7772 | struct tms tms; |
7773 | ret = get_errno(times(&tms)); | |
53a5960a | 7774 | if (arg1) { |
579a97f7 FB |
7775 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
7776 | if (!tmsp) | |
2852aafd | 7777 | return -TARGET_EFAULT; |
cbb21eed MB |
7778 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
7779 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
7780 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
7781 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 7782 | } |
c596ed17 FB |
7783 | if (!is_error(ret)) |
7784 | ret = host_to_target_clock_t(ret); | |
32f36bce | 7785 | } |
72eb7ea8 | 7786 | return ret; |
31e31b8a | 7787 | case TARGET_NR_acct: |
38d840e6 AJ |
7788 | if (arg1 == 0) { |
7789 | ret = get_errno(acct(NULL)); | |
7790 | } else { | |
2852aafd RH |
7791 | if (!(p = lock_user_string(arg1))) { |
7792 | return -TARGET_EFAULT; | |
7793 | } | |
38d840e6 AJ |
7794 | ret = get_errno(acct(path(p))); |
7795 | unlock_user(p, arg1, 0); | |
7796 | } | |
72eb7ea8 | 7797 | return ret; |
8070e7be | 7798 | #ifdef TARGET_NR_umount2 |
31e31b8a | 7799 | case TARGET_NR_umount2: |
579a97f7 | 7800 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7801 | return -TARGET_EFAULT; |
53a5960a PB |
7802 | ret = get_errno(umount2(p, arg2)); |
7803 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7804 | return ret; |
ebc05488 | 7805 | #endif |
31e31b8a | 7806 | case TARGET_NR_ioctl: |
72eb7ea8 | 7807 | return do_ioctl(arg1, arg2, arg3); |
47ae93cd | 7808 | #ifdef TARGET_NR_fcntl |
31e31b8a | 7809 | case TARGET_NR_fcntl: |
72eb7ea8 | 7810 | return do_fcntl(arg1, arg2, arg3); |
ebc05488 | 7811 | #endif |
31e31b8a | 7812 | case TARGET_NR_setpgid: |
72eb7ea8 | 7813 | return get_errno(setpgid(arg1, arg2)); |
31e31b8a | 7814 | case TARGET_NR_umask: |
72eb7ea8 | 7815 | return get_errno(umask(arg1)); |
31e31b8a | 7816 | case TARGET_NR_chroot: |
579a97f7 | 7817 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7818 | return -TARGET_EFAULT; |
53a5960a PB |
7819 | ret = get_errno(chroot(p)); |
7820 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7821 | return ret; |
704eff6c | 7822 | #ifdef TARGET_NR_dup2 |
31e31b8a FB |
7823 | case TARGET_NR_dup2: |
7824 | ret = get_errno(dup2(arg1, arg2)); | |
e36800c9 LV |
7825 | if (ret >= 0) { |
7826 | fd_trans_dup(arg1, arg2); | |
7827 | } | |
72eb7ea8 | 7828 | return ret; |
704eff6c | 7829 | #endif |
d0927938 UH |
7830 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
7831 | case TARGET_NR_dup3: | |
10fa993a PM |
7832 | { |
7833 | int host_flags; | |
7834 | ||
7835 | if ((arg3 & ~TARGET_O_CLOEXEC) != 0) { | |
7836 | return -EINVAL; | |
7837 | } | |
7838 | host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl); | |
7839 | ret = get_errno(dup3(arg1, arg2, host_flags)); | |
e36800c9 LV |
7840 | if (ret >= 0) { |
7841 | fd_trans_dup(arg1, arg2); | |
7842 | } | |
72eb7ea8 | 7843 | return ret; |
10fa993a | 7844 | } |
d0927938 | 7845 | #endif |
7a3148a9 | 7846 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a | 7847 | case TARGET_NR_getppid: |
72eb7ea8 | 7848 | return get_errno(getppid()); |
7a3148a9 | 7849 | #endif |
704eff6c | 7850 | #ifdef TARGET_NR_getpgrp |
31e31b8a | 7851 | case TARGET_NR_getpgrp: |
72eb7ea8 | 7852 | return get_errno(getpgrp()); |
704eff6c | 7853 | #endif |
31e31b8a | 7854 | case TARGET_NR_setsid: |
72eb7ea8 | 7855 | return get_errno(setsid()); |
e5febef5 | 7856 | #ifdef TARGET_NR_sigaction |
31e31b8a | 7857 | case TARGET_NR_sigaction: |
31e31b8a | 7858 | { |
6049f4f8 RH |
7859 | #if defined(TARGET_ALPHA) |
7860 | struct target_sigaction act, oact, *pact = 0; | |
53a5960a | 7861 | struct target_old_sigaction *old_act; |
53a5960a | 7862 | if (arg2) { |
579a97f7 | 7863 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
2852aafd | 7864 | return -TARGET_EFAULT; |
66fb9763 FB |
7865 | act._sa_handler = old_act->_sa_handler; |
7866 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
7867 | act.sa_flags = old_act->sa_flags; | |
6049f4f8 | 7868 | act.sa_restorer = 0; |
53a5960a | 7869 | unlock_user_struct(old_act, arg2, 0); |
66fb9763 | 7870 | pact = &act; |
66fb9763 FB |
7871 | } |
7872 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
53a5960a | 7873 | if (!is_error(ret) && arg3) { |
579a97f7 | 7874 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
2852aafd | 7875 | return -TARGET_EFAULT; |
53a5960a PB |
7876 | old_act->_sa_handler = oact._sa_handler; |
7877 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
7878 | old_act->sa_flags = oact.sa_flags; | |
53a5960a | 7879 | unlock_user_struct(old_act, arg3, 1); |
66fb9763 | 7880 | } |
6049f4f8 | 7881 | #elif defined(TARGET_MIPS) |
106ec879 FB |
7882 | struct target_sigaction act, oact, *pact, *old_act; |
7883 | ||
7884 | if (arg2) { | |
579a97f7 | 7885 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
2852aafd | 7886 | return -TARGET_EFAULT; |
106ec879 FB |
7887 | act._sa_handler = old_act->_sa_handler; |
7888 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
7889 | act.sa_flags = old_act->sa_flags; | |
7890 | unlock_user_struct(old_act, arg2, 0); | |
7891 | pact = &act; | |
7892 | } else { | |
7893 | pact = NULL; | |
7894 | } | |
7895 | ||
7896 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
7897 | ||
7898 | if (!is_error(ret) && arg3) { | |
579a97f7 | 7899 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
2852aafd | 7900 | return -TARGET_EFAULT; |
106ec879 FB |
7901 | old_act->_sa_handler = oact._sa_handler; |
7902 | old_act->sa_flags = oact.sa_flags; | |
7903 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
7904 | old_act->sa_mask.sig[1] = 0; | |
7905 | old_act->sa_mask.sig[2] = 0; | |
7906 | old_act->sa_mask.sig[3] = 0; | |
7907 | unlock_user_struct(old_act, arg3, 1); | |
7908 | } | |
6049f4f8 RH |
7909 | #else |
7910 | struct target_old_sigaction *old_act; | |
7911 | struct target_sigaction act, oact, *pact; | |
7912 | if (arg2) { | |
7913 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
2852aafd | 7914 | return -TARGET_EFAULT; |
6049f4f8 RH |
7915 | act._sa_handler = old_act->_sa_handler; |
7916 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
7917 | act.sa_flags = old_act->sa_flags; | |
7918 | act.sa_restorer = old_act->sa_restorer; | |
5de154e8 LV |
7919 | #ifdef TARGET_ARCH_HAS_KA_RESTORER |
7920 | act.ka_restorer = 0; | |
7921 | #endif | |
6049f4f8 RH |
7922 | unlock_user_struct(old_act, arg2, 0); |
7923 | pact = &act; | |
7924 | } else { | |
7925 | pact = NULL; | |
7926 | } | |
7927 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
7928 | if (!is_error(ret) && arg3) { | |
7929 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
2852aafd | 7930 | return -TARGET_EFAULT; |
6049f4f8 RH |
7931 | old_act->_sa_handler = oact._sa_handler; |
7932 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
7933 | old_act->sa_flags = oact.sa_flags; | |
7934 | old_act->sa_restorer = oact.sa_restorer; | |
7935 | unlock_user_struct(old_act, arg3, 1); | |
7936 | } | |
388bb21a | 7937 | #endif |
31e31b8a | 7938 | } |
72eb7ea8 | 7939 | return ret; |
e5febef5 | 7940 | #endif |
66fb9763 | 7941 | case TARGET_NR_rt_sigaction: |
53a5960a | 7942 | { |
6049f4f8 | 7943 | #if defined(TARGET_ALPHA) |
78bfef72 PM |
7944 | /* For Alpha and SPARC this is a 5 argument syscall, with |
7945 | * a 'restorer' parameter which must be copied into the | |
7946 | * sa_restorer field of the sigaction struct. | |
7947 | * For Alpha that 'restorer' is arg5; for SPARC it is arg4, | |
7948 | * and arg5 is the sigsetsize. | |
7949 | * Alpha also has a separate rt_sigaction struct that it uses | |
7950 | * here; SPARC uses the usual sigaction struct. | |
7951 | */ | |
6049f4f8 | 7952 | struct target_rt_sigaction *rt_act; |
78bfef72 | 7953 | struct target_sigaction act, oact, *pact = 0; |
c815701e PM |
7954 | |
7955 | if (arg4 != sizeof(target_sigset_t)) { | |
72eb7ea8 | 7956 | return -TARGET_EINVAL; |
c815701e | 7957 | } |
6049f4f8 RH |
7958 | if (arg2) { |
7959 | if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) | |
2852aafd | 7960 | return -TARGET_EFAULT; |
6049f4f8 RH |
7961 | act._sa_handler = rt_act->_sa_handler; |
7962 | act.sa_mask = rt_act->sa_mask; | |
7963 | act.sa_flags = rt_act->sa_flags; | |
7964 | act.sa_restorer = arg5; | |
7965 | unlock_user_struct(rt_act, arg2, 0); | |
7966 | pact = &act; | |
7967 | } | |
7968 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
7969 | if (!is_error(ret) && arg3) { | |
7970 | if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) | |
2852aafd | 7971 | return -TARGET_EFAULT; |
6049f4f8 RH |
7972 | rt_act->_sa_handler = oact._sa_handler; |
7973 | rt_act->sa_mask = oact.sa_mask; | |
7974 | rt_act->sa_flags = oact.sa_flags; | |
7975 | unlock_user_struct(rt_act, arg3, 1); | |
7976 | } | |
7977 | #else | |
78bfef72 PM |
7978 | #ifdef TARGET_SPARC |
7979 | target_ulong restorer = arg4; | |
7980 | target_ulong sigsetsize = arg5; | |
7981 | #else | |
7982 | target_ulong sigsetsize = arg4; | |
7983 | #endif | |
53a5960a PB |
7984 | struct target_sigaction *act; |
7985 | struct target_sigaction *oact; | |
7986 | ||
78bfef72 | 7987 | if (sigsetsize != sizeof(target_sigset_t)) { |
72eb7ea8 | 7988 | return -TARGET_EINVAL; |
c815701e | 7989 | } |
579a97f7 | 7990 | if (arg2) { |
78bfef72 | 7991 | if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) { |
2852aafd | 7992 | return -TARGET_EFAULT; |
78bfef72 | 7993 | } |
5de154e8 LV |
7994 | #ifdef TARGET_ARCH_HAS_KA_RESTORER |
7995 | act->ka_restorer = restorer; | |
78bfef72 PM |
7996 | #endif |
7997 | } else { | |
53a5960a | 7998 | act = NULL; |
78bfef72 | 7999 | } |
579a97f7 FB |
8000 | if (arg3) { |
8001 | if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { | |
8002 | ret = -TARGET_EFAULT; | |
8003 | goto rt_sigaction_fail; | |
8004 | } | |
8005 | } else | |
53a5960a PB |
8006 | oact = NULL; |
8007 | ret = get_errno(do_sigaction(arg1, act, oact)); | |
579a97f7 FB |
8008 | rt_sigaction_fail: |
8009 | if (act) | |
53a5960a | 8010 | unlock_user_struct(act, arg2, 0); |
579a97f7 | 8011 | if (oact) |
53a5960a | 8012 | unlock_user_struct(oact, arg3, 1); |
6049f4f8 | 8013 | #endif |
53a5960a | 8014 | } |
72eb7ea8 | 8015 | return ret; |
7a3148a9 | 8016 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 8017 | case TARGET_NR_sgetmask: |
66fb9763 FB |
8018 | { |
8019 | sigset_t cur_set; | |
992f48a0 | 8020 | abi_ulong target_set; |
3d3efba0 PM |
8021 | ret = do_sigprocmask(0, NULL, &cur_set); |
8022 | if (!ret) { | |
8023 | host_to_target_old_sigset(&target_set, &cur_set); | |
8024 | ret = target_set; | |
8025 | } | |
66fb9763 | 8026 | } |
72eb7ea8 | 8027 | return ret; |
7a3148a9 JM |
8028 | #endif |
8029 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 8030 | case TARGET_NR_ssetmask: |
66fb9763 | 8031 | { |
a8617d8c | 8032 | sigset_t set, oset; |
992f48a0 | 8033 | abi_ulong target_set = arg1; |
66fb9763 | 8034 | target_to_host_old_sigset(&set, &target_set); |
3d3efba0 PM |
8035 | ret = do_sigprocmask(SIG_SETMASK, &set, &oset); |
8036 | if (!ret) { | |
8037 | host_to_target_old_sigset(&target_set, &oset); | |
8038 | ret = target_set; | |
8039 | } | |
66fb9763 | 8040 | } |
72eb7ea8 | 8041 | return ret; |
7a3148a9 | 8042 | #endif |
e5febef5 | 8043 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
8044 | case TARGET_NR_sigprocmask: |
8045 | { | |
a5b3b13b RH |
8046 | #if defined(TARGET_ALPHA) |
8047 | sigset_t set, oldset; | |
8048 | abi_ulong mask; | |
8049 | int how; | |
8050 | ||
8051 | switch (arg1) { | |
8052 | case TARGET_SIG_BLOCK: | |
8053 | how = SIG_BLOCK; | |
8054 | break; | |
8055 | case TARGET_SIG_UNBLOCK: | |
8056 | how = SIG_UNBLOCK; | |
8057 | break; | |
8058 | case TARGET_SIG_SETMASK: | |
8059 | how = SIG_SETMASK; | |
8060 | break; | |
8061 | default: | |
259841c1 | 8062 | return -TARGET_EINVAL; |
a5b3b13b RH |
8063 | } |
8064 | mask = arg2; | |
8065 | target_to_host_old_sigset(&set, &mask); | |
8066 | ||
3d3efba0 | 8067 | ret = do_sigprocmask(how, &set, &oldset); |
a5b3b13b RH |
8068 | if (!is_error(ret)) { |
8069 | host_to_target_old_sigset(&mask, &oldset); | |
8070 | ret = mask; | |
0229f5a3 | 8071 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
8072 | } |
8073 | #else | |
66fb9763 | 8074 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 8075 | int how; |
3b46e624 | 8076 | |
53a5960a | 8077 | if (arg2) { |
a5b3b13b | 8078 | switch (arg1) { |
66fb9763 FB |
8079 | case TARGET_SIG_BLOCK: |
8080 | how = SIG_BLOCK; | |
8081 | break; | |
8082 | case TARGET_SIG_UNBLOCK: | |
8083 | how = SIG_UNBLOCK; | |
8084 | break; | |
8085 | case TARGET_SIG_SETMASK: | |
8086 | how = SIG_SETMASK; | |
8087 | break; | |
8088 | default: | |
259841c1 | 8089 | return -TARGET_EINVAL; |
66fb9763 | 8090 | } |
c227f099 | 8091 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
2852aafd | 8092 | return -TARGET_EFAULT; |
53a5960a PB |
8093 | target_to_host_old_sigset(&set, p); |
8094 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
8095 | set_ptr = &set; |
8096 | } else { | |
8097 | how = 0; | |
8098 | set_ptr = NULL; | |
8099 | } | |
3d3efba0 | 8100 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 8101 | if (!is_error(ret) && arg3) { |
c227f099 | 8102 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 8103 | return -TARGET_EFAULT; |
53a5960a | 8104 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 8105 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 8106 | } |
a5b3b13b | 8107 | #endif |
66fb9763 | 8108 | } |
72eb7ea8 | 8109 | return ret; |
e5febef5 | 8110 | #endif |
66fb9763 FB |
8111 | case TARGET_NR_rt_sigprocmask: |
8112 | { | |
8113 | int how = arg1; | |
8114 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 8115 | |
c815701e | 8116 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 8117 | return -TARGET_EINVAL; |
c815701e PM |
8118 | } |
8119 | ||
53a5960a | 8120 | if (arg2) { |
66fb9763 FB |
8121 | switch(how) { |
8122 | case TARGET_SIG_BLOCK: | |
8123 | how = SIG_BLOCK; | |
8124 | break; | |
8125 | case TARGET_SIG_UNBLOCK: | |
8126 | how = SIG_UNBLOCK; | |
8127 | break; | |
8128 | case TARGET_SIG_SETMASK: | |
8129 | how = SIG_SETMASK; | |
8130 | break; | |
8131 | default: | |
259841c1 | 8132 | return -TARGET_EINVAL; |
66fb9763 | 8133 | } |
c227f099 | 8134 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
2852aafd | 8135 | return -TARGET_EFAULT; |
53a5960a PB |
8136 | target_to_host_sigset(&set, p); |
8137 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
8138 | set_ptr = &set; |
8139 | } else { | |
8140 | how = 0; | |
8141 | set_ptr = NULL; | |
8142 | } | |
3d3efba0 | 8143 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 8144 | if (!is_error(ret) && arg3) { |
c227f099 | 8145 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 8146 | return -TARGET_EFAULT; |
53a5960a | 8147 | host_to_target_sigset(p, &oldset); |
c227f099 | 8148 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
8149 | } |
8150 | } | |
72eb7ea8 | 8151 | return ret; |
e5febef5 | 8152 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
8153 | case TARGET_NR_sigpending: |
8154 | { | |
8155 | sigset_t set; | |
8156 | ret = get_errno(sigpending(&set)); | |
8157 | if (!is_error(ret)) { | |
c227f099 | 8158 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 8159 | return -TARGET_EFAULT; |
53a5960a | 8160 | host_to_target_old_sigset(p, &set); |
c227f099 | 8161 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
8162 | } |
8163 | } | |
72eb7ea8 | 8164 | return ret; |
e5febef5 | 8165 | #endif |
66fb9763 FB |
8166 | case TARGET_NR_rt_sigpending: |
8167 | { | |
8168 | sigset_t set; | |
c815701e PM |
8169 | |
8170 | /* Yes, this check is >, not != like most. We follow the kernel's | |
8171 | * logic and it does it like this because it implements | |
8172 | * NR_sigpending through the same code path, and in that case | |
8173 | * the old_sigset_t is smaller in size. | |
8174 | */ | |
8175 | if (arg2 > sizeof(target_sigset_t)) { | |
72eb7ea8 | 8176 | return -TARGET_EINVAL; |
c815701e PM |
8177 | } |
8178 | ||
66fb9763 FB |
8179 | ret = get_errno(sigpending(&set)); |
8180 | if (!is_error(ret)) { | |
c227f099 | 8181 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 8182 | return -TARGET_EFAULT; |
53a5960a | 8183 | host_to_target_sigset(p, &set); |
c227f099 | 8184 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
8185 | } |
8186 | } | |
72eb7ea8 | 8187 | return ret; |
e5febef5 | 8188 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
8189 | case TARGET_NR_sigsuspend: |
8190 | { | |
3d3efba0 | 8191 | TaskState *ts = cpu->opaque; |
f43ce12b RH |
8192 | #if defined(TARGET_ALPHA) |
8193 | abi_ulong mask = arg1; | |
3d3efba0 | 8194 | target_to_host_old_sigset(&ts->sigsuspend_mask, &mask); |
f43ce12b | 8195 | #else |
c227f099 | 8196 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 8197 | return -TARGET_EFAULT; |
3d3efba0 | 8198 | target_to_host_old_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 8199 | unlock_user(p, arg1, 0); |
f43ce12b | 8200 | #endif |
3d3efba0 PM |
8201 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
8202 | SIGSET_T_SIZE)); | |
8203 | if (ret != -TARGET_ERESTARTSYS) { | |
8204 | ts->in_sigsuspend = 1; | |
8205 | } | |
66fb9763 | 8206 | } |
72eb7ea8 | 8207 | return ret; |
e5febef5 | 8208 | #endif |
66fb9763 FB |
8209 | case TARGET_NR_rt_sigsuspend: |
8210 | { | |
3d3efba0 | 8211 | TaskState *ts = cpu->opaque; |
c815701e PM |
8212 | |
8213 | if (arg2 != sizeof(target_sigset_t)) { | |
72eb7ea8 | 8214 | return -TARGET_EINVAL; |
c815701e | 8215 | } |
c227f099 | 8216 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 8217 | return -TARGET_EFAULT; |
3d3efba0 | 8218 | target_to_host_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 8219 | unlock_user(p, arg1, 0); |
3d3efba0 PM |
8220 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
8221 | SIGSET_T_SIZE)); | |
8222 | if (ret != -TARGET_ERESTARTSYS) { | |
8223 | ts->in_sigsuspend = 1; | |
8224 | } | |
66fb9763 | 8225 | } |
72eb7ea8 | 8226 | return ret; |
66fb9763 FB |
8227 | case TARGET_NR_rt_sigtimedwait: |
8228 | { | |
66fb9763 FB |
8229 | sigset_t set; |
8230 | struct timespec uts, *puts; | |
8231 | siginfo_t uinfo; | |
3b46e624 | 8232 | |
c815701e | 8233 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 8234 | return -TARGET_EINVAL; |
c815701e PM |
8235 | } |
8236 | ||
c227f099 | 8237 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 8238 | return -TARGET_EFAULT; |
53a5960a PB |
8239 | target_to_host_sigset(&set, p); |
8240 | unlock_user(p, arg1, 0); | |
8241 | if (arg3) { | |
66fb9763 | 8242 | puts = &uts; |
53a5960a | 8243 | target_to_host_timespec(puts, arg3); |
66fb9763 FB |
8244 | } else { |
8245 | puts = NULL; | |
8246 | } | |
b3f82330 PM |
8247 | ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts, |
8248 | SIGSET_T_SIZE)); | |
974a196d PJ |
8249 | if (!is_error(ret)) { |
8250 | if (arg2) { | |
8251 | p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), | |
8252 | 0); | |
8253 | if (!p) { | |
2852aafd | 8254 | return -TARGET_EFAULT; |
974a196d PJ |
8255 | } |
8256 | host_to_target_siginfo(p, &uinfo); | |
8257 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
8258 | } | |
8259 | ret = host_to_target_signal(ret); | |
66fb9763 FB |
8260 | } |
8261 | } | |
72eb7ea8 | 8262 | return ret; |
66fb9763 FB |
8263 | case TARGET_NR_rt_sigqueueinfo: |
8264 | { | |
8265 | siginfo_t uinfo; | |
4debae6f PM |
8266 | |
8267 | p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); | |
8268 | if (!p) { | |
2852aafd | 8269 | return -TARGET_EFAULT; |
4debae6f | 8270 | } |
53a5960a | 8271 | target_to_host_siginfo(&uinfo, p); |
d8b6d892 | 8272 | unlock_user(p, arg3, 0); |
66fb9763 FB |
8273 | ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
8274 | } | |
72eb7ea8 | 8275 | return ret; |
cf8b8bfc MS |
8276 | case TARGET_NR_rt_tgsigqueueinfo: |
8277 | { | |
8278 | siginfo_t uinfo; | |
8279 | ||
8280 | p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1); | |
8281 | if (!p) { | |
2852aafd | 8282 | return -TARGET_EFAULT; |
cf8b8bfc MS |
8283 | } |
8284 | target_to_host_siginfo(&uinfo, p); | |
8285 | unlock_user(p, arg4, 0); | |
8286 | ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, arg3, &uinfo)); | |
8287 | } | |
72eb7ea8 | 8288 | return ret; |
e5febef5 | 8289 | #ifdef TARGET_NR_sigreturn |
66fb9763 | 8290 | case TARGET_NR_sigreturn: |
3d3efba0 | 8291 | if (block_signals()) { |
72eb7ea8 | 8292 | return -TARGET_ERESTARTSYS; |
3d3efba0 | 8293 | } |
72eb7ea8 | 8294 | return do_sigreturn(cpu_env); |
e5febef5 | 8295 | #endif |
66fb9763 | 8296 | case TARGET_NR_rt_sigreturn: |
3d3efba0 | 8297 | if (block_signals()) { |
72eb7ea8 | 8298 | return -TARGET_ERESTARTSYS; |
3d3efba0 | 8299 | } |
72eb7ea8 | 8300 | return do_rt_sigreturn(cpu_env); |
31e31b8a | 8301 | case TARGET_NR_sethostname: |
579a97f7 | 8302 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8303 | return -TARGET_EFAULT; |
53a5960a PB |
8304 | ret = get_errno(sethostname(p, arg2)); |
8305 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8306 | return ret; |
4f7f8924 | 8307 | #ifdef TARGET_NR_setrlimit |
31e31b8a | 8308 | case TARGET_NR_setrlimit: |
9de5e440 | 8309 | { |
e22b7015 | 8310 | int resource = target_to_host_resource(arg1); |
53a5960a | 8311 | struct target_rlimit *target_rlim; |
9de5e440 | 8312 | struct rlimit rlim; |
579a97f7 | 8313 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
2852aafd | 8314 | return -TARGET_EFAULT; |
81bbe906 TY |
8315 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
8316 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 8317 | unlock_user_struct(target_rlim, arg2, 0); |
5dfa88f7 MF |
8318 | /* |
8319 | * If we just passed through resource limit settings for memory then | |
8320 | * they would also apply to QEMU's own allocations, and QEMU will | |
8321 | * crash or hang or die if its allocations fail. Ideally we would | |
8322 | * track the guest allocations in QEMU and apply the limits ourselves. | |
8323 | * For now, just tell the guest the call succeeded but don't actually | |
8324 | * limit anything. | |
8325 | */ | |
8326 | if (resource != RLIMIT_AS && | |
8327 | resource != RLIMIT_DATA && | |
8328 | resource != RLIMIT_STACK) { | |
8329 | return get_errno(setrlimit(resource, &rlim)); | |
8330 | } else { | |
8331 | return 0; | |
8332 | } | |
9de5e440 | 8333 | } |
4f7f8924 AR |
8334 | #endif |
8335 | #ifdef TARGET_NR_getrlimit | |
31e31b8a | 8336 | case TARGET_NR_getrlimit: |
9de5e440 | 8337 | { |
e22b7015 | 8338 | int resource = target_to_host_resource(arg1); |
53a5960a | 8339 | struct target_rlimit *target_rlim; |
9de5e440 | 8340 | struct rlimit rlim; |
3b46e624 | 8341 | |
9de5e440 FB |
8342 | ret = get_errno(getrlimit(resource, &rlim)); |
8343 | if (!is_error(ret)) { | |
579a97f7 | 8344 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 8345 | return -TARGET_EFAULT; |
81bbe906 TY |
8346 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
8347 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 8348 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
8349 | } |
8350 | } | |
72eb7ea8 | 8351 | return ret; |
4f7f8924 | 8352 | #endif |
31e31b8a | 8353 | case TARGET_NR_getrusage: |
b409186b FB |
8354 | { |
8355 | struct rusage rusage; | |
b409186b FB |
8356 | ret = get_errno(getrusage(arg1, &rusage)); |
8357 | if (!is_error(ret)) { | |
a39fb273 | 8358 | ret = host_to_target_rusage(arg2, &rusage); |
b409186b FB |
8359 | } |
8360 | } | |
72eb7ea8 | 8361 | return ret; |
31e31b8a FB |
8362 | case TARGET_NR_gettimeofday: |
8363 | { | |
31e31b8a FB |
8364 | struct timeval tv; |
8365 | ret = get_errno(gettimeofday(&tv, NULL)); | |
8366 | if (!is_error(ret)) { | |
788f5ec4 | 8367 | if (copy_to_user_timeval(arg1, &tv)) |
2852aafd | 8368 | return -TARGET_EFAULT; |
31e31b8a FB |
8369 | } |
8370 | } | |
72eb7ea8 | 8371 | return ret; |
31e31b8a FB |
8372 | case TARGET_NR_settimeofday: |
8373 | { | |
b67d8031 | 8374 | struct timeval tv, *ptv = NULL; |
ef4467e9 PB |
8375 | struct timezone tz, *ptz = NULL; |
8376 | ||
b67d8031 PB |
8377 | if (arg1) { |
8378 | if (copy_from_user_timeval(&tv, arg1)) { | |
2852aafd | 8379 | return -TARGET_EFAULT; |
b67d8031 PB |
8380 | } |
8381 | ptv = &tv; | |
8382 | } | |
ef4467e9 PB |
8383 | |
8384 | if (arg2) { | |
8385 | if (copy_from_user_timezone(&tz, arg2)) { | |
2852aafd | 8386 | return -TARGET_EFAULT; |
ef4467e9 PB |
8387 | } |
8388 | ptz = &tz; | |
8389 | } | |
8390 | ||
72eb7ea8 | 8391 | return get_errno(settimeofday(ptv, ptz)); |
31e31b8a | 8392 | } |
9468a5d4 | 8393 | #if defined(TARGET_NR_select) |
31e31b8a | 8394 | case TARGET_NR_select: |
5457dc9e LV |
8395 | #if defined(TARGET_WANT_NI_OLD_SELECT) |
8396 | /* some architectures used to have old_select here | |
8397 | * but now ENOSYS it. | |
8398 | */ | |
8399 | ret = -TARGET_ENOSYS; | |
8400 | #elif defined(TARGET_WANT_OLD_SYS_SELECT) | |
8401 | ret = do_old_select(arg1); | |
9468a5d4 | 8402 | #else |
5457dc9e | 8403 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
9468a5d4 | 8404 | #endif |
72eb7ea8 | 8405 | return ret; |
9e42382f RV |
8406 | #endif |
8407 | #ifdef TARGET_NR_pselect6 | |
8408 | case TARGET_NR_pselect6: | |
055e0906 MF |
8409 | { |
8410 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
8411 | fd_set rfds, wfds, efds; | |
8412 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
8413 | struct timespec ts, *ts_ptr; | |
8414 | ||
8415 | /* | |
8416 | * The 6th arg is actually two args smashed together, | |
8417 | * so we cannot use the C library. | |
8418 | */ | |
8419 | sigset_t set; | |
8420 | struct { | |
8421 | sigset_t *set; | |
8422 | size_t size; | |
8423 | } sig, *sig_ptr; | |
8424 | ||
8425 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
8426 | target_sigset_t *target_sigset; | |
8427 | ||
8428 | n = arg1; | |
8429 | rfd_addr = arg2; | |
8430 | wfd_addr = arg3; | |
8431 | efd_addr = arg4; | |
8432 | ts_addr = arg5; | |
8433 | ||
8434 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
8435 | if (ret) { | |
259841c1 | 8436 | return ret; |
055e0906 MF |
8437 | } |
8438 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
8439 | if (ret) { | |
259841c1 | 8440 | return ret; |
055e0906 MF |
8441 | } |
8442 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
8443 | if (ret) { | |
259841c1 | 8444 | return ret; |
055e0906 MF |
8445 | } |
8446 | ||
8447 | /* | |
8448 | * This takes a timespec, and not a timeval, so we cannot | |
8449 | * use the do_select() helper ... | |
8450 | */ | |
8451 | if (ts_addr) { | |
8452 | if (target_to_host_timespec(&ts, ts_addr)) { | |
2852aafd | 8453 | return -TARGET_EFAULT; |
055e0906 MF |
8454 | } |
8455 | ts_ptr = &ts; | |
8456 | } else { | |
8457 | ts_ptr = NULL; | |
8458 | } | |
8459 | ||
8460 | /* Extract the two packed args for the sigset */ | |
8461 | if (arg6) { | |
8462 | sig_ptr = &sig; | |
b28a1f33 | 8463 | sig.size = SIGSET_T_SIZE; |
055e0906 MF |
8464 | |
8465 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); | |
8466 | if (!arg7) { | |
2852aafd | 8467 | return -TARGET_EFAULT; |
055e0906 | 8468 | } |
cbb21eed MB |
8469 | arg_sigset = tswapal(arg7[0]); |
8470 | arg_sigsize = tswapal(arg7[1]); | |
055e0906 MF |
8471 | unlock_user(arg7, arg6, 0); |
8472 | ||
8473 | if (arg_sigset) { | |
8474 | sig.set = &set; | |
8f04eeb3 PM |
8475 | if (arg_sigsize != sizeof(*target_sigset)) { |
8476 | /* Like the kernel, we enforce correct size sigsets */ | |
259841c1 | 8477 | return -TARGET_EINVAL; |
8f04eeb3 | 8478 | } |
055e0906 MF |
8479 | target_sigset = lock_user(VERIFY_READ, arg_sigset, |
8480 | sizeof(*target_sigset), 1); | |
8481 | if (!target_sigset) { | |
2852aafd | 8482 | return -TARGET_EFAULT; |
055e0906 MF |
8483 | } |
8484 | target_to_host_sigset(&set, target_sigset); | |
8485 | unlock_user(target_sigset, arg_sigset, 0); | |
8486 | } else { | |
8487 | sig.set = NULL; | |
8488 | } | |
8489 | } else { | |
8490 | sig_ptr = NULL; | |
8491 | } | |
8492 | ||
6df9d38d PM |
8493 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
8494 | ts_ptr, sig_ptr)); | |
055e0906 MF |
8495 | |
8496 | if (!is_error(ret)) { | |
8497 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
2852aafd | 8498 | return -TARGET_EFAULT; |
055e0906 | 8499 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) |
2852aafd | 8500 | return -TARGET_EFAULT; |
055e0906 | 8501 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) |
2852aafd | 8502 | return -TARGET_EFAULT; |
055e0906 MF |
8503 | |
8504 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) | |
2852aafd | 8505 | return -TARGET_EFAULT; |
055e0906 MF |
8506 | } |
8507 | } | |
72eb7ea8 | 8508 | return ret; |
048f6b4d | 8509 | #endif |
704eff6c | 8510 | #ifdef TARGET_NR_symlink |
31e31b8a | 8511 | case TARGET_NR_symlink: |
53a5960a PB |
8512 | { |
8513 | void *p2; | |
8514 | p = lock_user_string(arg1); | |
8515 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
8516 | if (!p || !p2) |
8517 | ret = -TARGET_EFAULT; | |
8518 | else | |
8519 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
8520 | unlock_user(p2, arg2, 0); |
8521 | unlock_user(p, arg1, 0); | |
8522 | } | |
72eb7ea8 | 8523 | return ret; |
704eff6c | 8524 | #endif |
c0d472b1 | 8525 | #if defined(TARGET_NR_symlinkat) |
f0b6243d | 8526 | case TARGET_NR_symlinkat: |
f0b6243d | 8527 | { |
579a97f7 | 8528 | void *p2; |
f0b6243d TS |
8529 | p = lock_user_string(arg1); |
8530 | p2 = lock_user_string(arg3); | |
579a97f7 | 8531 | if (!p || !p2) |
0da46a6e | 8532 | ret = -TARGET_EFAULT; |
f0b6243d | 8533 | else |
c0d472b1 | 8534 | ret = get_errno(symlinkat(p, arg2, p2)); |
579a97f7 FB |
8535 | unlock_user(p2, arg3, 0); |
8536 | unlock_user(p, arg1, 0); | |
f0b6243d | 8537 | } |
72eb7ea8 | 8538 | return ret; |
f0b6243d | 8539 | #endif |
704eff6c | 8540 | #ifdef TARGET_NR_readlink |
31e31b8a | 8541 | case TARGET_NR_readlink: |
53a5960a | 8542 | { |
463d8e73 | 8543 | void *p2; |
53a5960a | 8544 | p = lock_user_string(arg1); |
579a97f7 | 8545 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
463d8e73 | 8546 | if (!p || !p2) { |
579a97f7 | 8547 | ret = -TARGET_EFAULT; |
f17f4989 MF |
8548 | } else if (!arg3) { |
8549 | /* Short circuit this for the magic exe check. */ | |
8550 | ret = -TARGET_EINVAL; | |
463d8e73 AS |
8551 | } else if (is_proc_myself((const char *)p, "exe")) { |
8552 | char real[PATH_MAX], *temp; | |
8553 | temp = realpath(exec_path, real); | |
f17f4989 MF |
8554 | /* Return value is # of bytes that we wrote to the buffer. */ |
8555 | if (temp == NULL) { | |
8556 | ret = get_errno(-1); | |
8557 | } else { | |
8558 | /* Don't worry about sign mismatch as earlier mapping | |
8559 | * logic would have thrown a bad address error. */ | |
8560 | ret = MIN(strlen(real), arg3); | |
8561 | /* We cannot NUL terminate the string. */ | |
8562 | memcpy(p2, real, ret); | |
8563 | } | |
463d8e73 AS |
8564 | } else { |
8565 | ret = get_errno(readlink(path(p), p2, arg3)); | |
d088d664 | 8566 | } |
53a5960a PB |
8567 | unlock_user(p2, arg2, ret); |
8568 | unlock_user(p, arg1, 0); | |
8569 | } | |
72eb7ea8 | 8570 | return ret; |
704eff6c | 8571 | #endif |
c0d472b1 | 8572 | #if defined(TARGET_NR_readlinkat) |
5e0ccb18 | 8573 | case TARGET_NR_readlinkat: |
5e0ccb18 | 8574 | { |
579a97f7 | 8575 | void *p2; |
5e0ccb18 | 8576 | p = lock_user_string(arg2); |
579a97f7 | 8577 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
463d8e73 AS |
8578 | if (!p || !p2) { |
8579 | ret = -TARGET_EFAULT; | |
8580 | } else if (is_proc_myself((const char *)p, "exe")) { | |
8581 | char real[PATH_MAX], *temp; | |
8582 | temp = realpath(exec_path, real); | |
8583 | ret = temp == NULL ? get_errno(-1) : strlen(real) ; | |
8584 | snprintf((char *)p2, arg4, "%s", real); | |
8585 | } else { | |
c0d472b1 | 8586 | ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
463d8e73 | 8587 | } |
579a97f7 FB |
8588 | unlock_user(p2, arg3, ret); |
8589 | unlock_user(p, arg2, 0); | |
5e0ccb18 | 8590 | } |
72eb7ea8 | 8591 | return ret; |
5e0ccb18 | 8592 | #endif |
e5febef5 | 8593 | #ifdef TARGET_NR_swapon |
31e31b8a | 8594 | case TARGET_NR_swapon: |
579a97f7 | 8595 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8596 | return -TARGET_EFAULT; |
53a5960a PB |
8597 | ret = get_errno(swapon(p, arg2)); |
8598 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8599 | return ret; |
e5febef5 | 8600 | #endif |
31e31b8a | 8601 | case TARGET_NR_reboot: |
c07ecc68 LV |
8602 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
8603 | /* arg4 must be ignored in all other cases */ | |
8604 | p = lock_user_string(arg4); | |
8605 | if (!p) { | |
2852aafd | 8606 | return -TARGET_EFAULT; |
c07ecc68 LV |
8607 | } |
8608 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
8609 | unlock_user(p, arg4, 0); | |
8610 | } else { | |
8611 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
8612 | } | |
72eb7ea8 | 8613 | return ret; |
e5febef5 | 8614 | #ifdef TARGET_NR_mmap |
31e31b8a | 8615 | case TARGET_NR_mmap: |
09701199 AG |
8616 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
8617 | (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ | |
a4c075f1 UH |
8618 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
8619 | || defined(TARGET_S390X) | |
31e31b8a | 8620 | { |
992f48a0 BS |
8621 | abi_ulong *v; |
8622 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 | 8623 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
2852aafd | 8624 | return -TARGET_EFAULT; |
cbb21eed MB |
8625 | v1 = tswapal(v[0]); |
8626 | v2 = tswapal(v[1]); | |
8627 | v3 = tswapal(v[2]); | |
8628 | v4 = tswapal(v[3]); | |
8629 | v5 = tswapal(v[4]); | |
8630 | v6 = tswapal(v[5]); | |
53a5960a | 8631 | unlock_user(v, arg1, 0); |
5fafdf24 | 8632 | ret = get_errno(target_mmap(v1, v2, v3, |
5286db75 FB |
8633 | target_to_host_bitmask(v4, mmap_flags_tbl), |
8634 | v5, v6)); | |
31e31b8a | 8635 | } |
31e31b8a | 8636 | #else |
5fafdf24 TS |
8637 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
8638 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
6fb883e8 FB |
8639 | arg5, |
8640 | arg6)); | |
31e31b8a | 8641 | #endif |
72eb7ea8 | 8642 | return ret; |
e5febef5 | 8643 | #endif |
a315a145 | 8644 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 8645 | case TARGET_NR_mmap2: |
bb7ec043 | 8646 | #ifndef MMAP_SHIFT |
c573ff67 | 8647 | #define MMAP_SHIFT 12 |
c573ff67 | 8648 | #endif |
72eb7ea8 RH |
8649 | ret = target_mmap(arg1, arg2, arg3, |
8650 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
8651 | arg5, arg6 << MMAP_SHIFT); | |
8652 | return get_errno(ret); | |
a315a145 | 8653 | #endif |
31e31b8a | 8654 | case TARGET_NR_munmap: |
72eb7ea8 | 8655 | return get_errno(target_munmap(arg1, arg2)); |
9de5e440 | 8656 | case TARGET_NR_mprotect: |
97374d38 | 8657 | { |
0429a971 | 8658 | TaskState *ts = cpu->opaque; |
97374d38 PB |
8659 | /* Special hack to detect libc making the stack executable. */ |
8660 | if ((arg3 & PROT_GROWSDOWN) | |
8661 | && arg1 >= ts->info->stack_limit | |
8662 | && arg1 <= ts->info->start_stack) { | |
8663 | arg3 &= ~PROT_GROWSDOWN; | |
8664 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
8665 | arg1 = ts->info->stack_limit; | |
8666 | } | |
8667 | } | |
72eb7ea8 | 8668 | return get_errno(target_mprotect(arg1, arg2, arg3)); |
e5febef5 | 8669 | #ifdef TARGET_NR_mremap |
9de5e440 | 8670 | case TARGET_NR_mremap: |
72eb7ea8 | 8671 | return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
e5febef5 | 8672 | #endif |
53a5960a | 8673 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 8674 | #ifdef TARGET_NR_msync |
9de5e440 | 8675 | case TARGET_NR_msync: |
72eb7ea8 | 8676 | return get_errno(msync(g2h(arg1), arg2, arg3)); |
e5febef5 TS |
8677 | #endif |
8678 | #ifdef TARGET_NR_mlock | |
9de5e440 | 8679 | case TARGET_NR_mlock: |
72eb7ea8 | 8680 | return get_errno(mlock(g2h(arg1), arg2)); |
e5febef5 TS |
8681 | #endif |
8682 | #ifdef TARGET_NR_munlock | |
9de5e440 | 8683 | case TARGET_NR_munlock: |
72eb7ea8 | 8684 | return get_errno(munlock(g2h(arg1), arg2)); |
e5febef5 TS |
8685 | #endif |
8686 | #ifdef TARGET_NR_mlockall | |
9de5e440 | 8687 | case TARGET_NR_mlockall: |
72eb7ea8 | 8688 | return get_errno(mlockall(target_to_host_mlockall_arg(arg1))); |
e5febef5 TS |
8689 | #endif |
8690 | #ifdef TARGET_NR_munlockall | |
9de5e440 | 8691 | case TARGET_NR_munlockall: |
72eb7ea8 | 8692 | return get_errno(munlockall()); |
e5febef5 | 8693 | #endif |
4f7f8924 | 8694 | #ifdef TARGET_NR_truncate |
31e31b8a | 8695 | case TARGET_NR_truncate: |
579a97f7 | 8696 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8697 | return -TARGET_EFAULT; |
53a5960a PB |
8698 | ret = get_errno(truncate(p, arg2)); |
8699 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8700 | return ret; |
4f7f8924 AR |
8701 | #endif |
8702 | #ifdef TARGET_NR_ftruncate | |
31e31b8a | 8703 | case TARGET_NR_ftruncate: |
72eb7ea8 | 8704 | return get_errno(ftruncate(arg1, arg2)); |
4f7f8924 | 8705 | #endif |
31e31b8a | 8706 | case TARGET_NR_fchmod: |
72eb7ea8 | 8707 | return get_errno(fchmod(arg1, arg2)); |
c0d472b1 | 8708 | #if defined(TARGET_NR_fchmodat) |
814d7977 | 8709 | case TARGET_NR_fchmodat: |
579a97f7 | 8710 | if (!(p = lock_user_string(arg2))) |
2852aafd | 8711 | return -TARGET_EFAULT; |
c0d472b1 | 8712 | ret = get_errno(fchmodat(arg1, p, arg3, 0)); |
579a97f7 | 8713 | unlock_user(p, arg2, 0); |
72eb7ea8 | 8714 | return ret; |
814d7977 | 8715 | #endif |
31e31b8a | 8716 | case TARGET_NR_getpriority: |
95c09828 RH |
8717 | /* Note that negative values are valid for getpriority, so we must |
8718 | differentiate based on errno settings. */ | |
8719 | errno = 0; | |
8720 | ret = getpriority(arg1, arg2); | |
8721 | if (ret == -1 && errno != 0) { | |
72eb7ea8 | 8722 | return -host_to_target_errno(errno); |
95c09828 RH |
8723 | } |
8724 | #ifdef TARGET_ALPHA | |
8725 | /* Return value is the unbiased priority. Signal no error. */ | |
8726 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; | |
8727 | #else | |
8728 | /* Return value is a biased priority to avoid negative numbers. */ | |
8729 | ret = 20 - ret; | |
8730 | #endif | |
72eb7ea8 | 8731 | return ret; |
31e31b8a | 8732 | case TARGET_NR_setpriority: |
72eb7ea8 | 8733 | return get_errno(setpriority(arg1, arg2, arg3)); |
4f7f8924 | 8734 | #ifdef TARGET_NR_statfs |
31e31b8a | 8735 | case TARGET_NR_statfs: |
2852aafd RH |
8736 | if (!(p = lock_user_string(arg1))) { |
8737 | return -TARGET_EFAULT; | |
8738 | } | |
53a5960a PB |
8739 | ret = get_errno(statfs(path(p), &stfs)); |
8740 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
8741 | convert_statfs: |
8742 | if (!is_error(ret)) { | |
53a5960a | 8743 | struct target_statfs *target_stfs; |
3b46e624 | 8744 | |
579a97f7 | 8745 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
2852aafd | 8746 | return -TARGET_EFAULT; |
579a97f7 FB |
8747 | __put_user(stfs.f_type, &target_stfs->f_type); |
8748 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
8749 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
8750 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
8751 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
8752 | __put_user(stfs.f_files, &target_stfs->f_files); | |
8753 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
8754 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
8755 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
8756 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 | 8757 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
d4247ec2 SL |
8758 | #ifdef _STATFS_F_FLAGS |
8759 | __put_user(stfs.f_flags, &target_stfs->f_flags); | |
8760 | #else | |
8761 | __put_user(0, &target_stfs->f_flags); | |
8762 | #endif | |
229d3376 | 8763 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
53a5960a | 8764 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a | 8765 | } |
72eb7ea8 | 8766 | return ret; |
4f7f8924 AR |
8767 | #endif |
8768 | #ifdef TARGET_NR_fstatfs | |
31e31b8a | 8769 | case TARGET_NR_fstatfs: |
56c8f68f | 8770 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 8771 | goto convert_statfs; |
4f7f8924 | 8772 | #endif |
56c8f68f FB |
8773 | #ifdef TARGET_NR_statfs64 |
8774 | case TARGET_NR_statfs64: | |
2852aafd RH |
8775 | if (!(p = lock_user_string(arg1))) { |
8776 | return -TARGET_EFAULT; | |
8777 | } | |
53a5960a PB |
8778 | ret = get_errno(statfs(path(p), &stfs)); |
8779 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
8780 | convert_statfs64: |
8781 | if (!is_error(ret)) { | |
53a5960a | 8782 | struct target_statfs64 *target_stfs; |
3b46e624 | 8783 | |
579a97f7 | 8784 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
2852aafd | 8785 | return -TARGET_EFAULT; |
579a97f7 FB |
8786 | __put_user(stfs.f_type, &target_stfs->f_type); |
8787 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
8788 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
8789 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
8790 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
8791 | __put_user(stfs.f_files, &target_stfs->f_files); | |
8792 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
8793 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
8794 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
8795 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
8796 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
8797 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
579a97f7 | 8798 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f | 8799 | } |
72eb7ea8 | 8800 | return ret; |
56c8f68f FB |
8801 | case TARGET_NR_fstatfs64: |
8802 | ret = get_errno(fstatfs(arg1, &stfs)); | |
8803 | goto convert_statfs64; | |
8804 | #endif | |
e5febef5 | 8805 | #ifdef TARGET_NR_socketcall |
31e31b8a | 8806 | case TARGET_NR_socketcall: |
72eb7ea8 | 8807 | return do_socketcall(arg1, arg2); |
e5febef5 | 8808 | #endif |
3532fa74 FB |
8809 | #ifdef TARGET_NR_accept |
8810 | case TARGET_NR_accept: | |
72eb7ea8 | 8811 | return do_accept4(arg1, arg2, arg3, 0); |
a94b4987 PM |
8812 | #endif |
8813 | #ifdef TARGET_NR_accept4 | |
8814 | case TARGET_NR_accept4: | |
72eb7ea8 | 8815 | return do_accept4(arg1, arg2, arg3, arg4); |
3532fa74 FB |
8816 | #endif |
8817 | #ifdef TARGET_NR_bind | |
8818 | case TARGET_NR_bind: | |
72eb7ea8 | 8819 | return do_bind(arg1, arg2, arg3); |
3532fa74 FB |
8820 | #endif |
8821 | #ifdef TARGET_NR_connect | |
8822 | case TARGET_NR_connect: | |
72eb7ea8 | 8823 | return do_connect(arg1, arg2, arg3); |
3532fa74 FB |
8824 | #endif |
8825 | #ifdef TARGET_NR_getpeername | |
8826 | case TARGET_NR_getpeername: | |
72eb7ea8 | 8827 | return do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
8828 | #endif |
8829 | #ifdef TARGET_NR_getsockname | |
8830 | case TARGET_NR_getsockname: | |
72eb7ea8 | 8831 | return do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
8832 | #endif |
8833 | #ifdef TARGET_NR_getsockopt | |
8834 | case TARGET_NR_getsockopt: | |
72eb7ea8 | 8835 | return do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
3532fa74 FB |
8836 | #endif |
8837 | #ifdef TARGET_NR_listen | |
8838 | case TARGET_NR_listen: | |
72eb7ea8 | 8839 | return get_errno(listen(arg1, arg2)); |
3532fa74 FB |
8840 | #endif |
8841 | #ifdef TARGET_NR_recv | |
8842 | case TARGET_NR_recv: | |
72eb7ea8 | 8843 | return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
8844 | #endif |
8845 | #ifdef TARGET_NR_recvfrom | |
8846 | case TARGET_NR_recvfrom: | |
72eb7ea8 | 8847 | return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
8848 | #endif |
8849 | #ifdef TARGET_NR_recvmsg | |
8850 | case TARGET_NR_recvmsg: | |
72eb7ea8 | 8851 | return do_sendrecvmsg(arg1, arg2, arg3, 0); |
3532fa74 FB |
8852 | #endif |
8853 | #ifdef TARGET_NR_send | |
8854 | case TARGET_NR_send: | |
72eb7ea8 | 8855 | return do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
8856 | #endif |
8857 | #ifdef TARGET_NR_sendmsg | |
8858 | case TARGET_NR_sendmsg: | |
72eb7ea8 | 8859 | return do_sendrecvmsg(arg1, arg2, arg3, 1); |
3532fa74 | 8860 | #endif |
f19e00d7 AG |
8861 | #ifdef TARGET_NR_sendmmsg |
8862 | case TARGET_NR_sendmmsg: | |
72eb7ea8 | 8863 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); |
f19e00d7 | 8864 | case TARGET_NR_recvmmsg: |
72eb7ea8 | 8865 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); |
f19e00d7 | 8866 | #endif |
3532fa74 FB |
8867 | #ifdef TARGET_NR_sendto |
8868 | case TARGET_NR_sendto: | |
72eb7ea8 | 8869 | return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
8870 | #endif |
8871 | #ifdef TARGET_NR_shutdown | |
8872 | case TARGET_NR_shutdown: | |
72eb7ea8 | 8873 | return get_errno(shutdown(arg1, arg2)); |
3532fa74 | 8874 | #endif |
f894efd1 LV |
8875 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
8876 | case TARGET_NR_getrandom: | |
8877 | p = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
8878 | if (!p) { | |
2852aafd | 8879 | return -TARGET_EFAULT; |
f894efd1 LV |
8880 | } |
8881 | ret = get_errno(getrandom(p, arg2, arg3)); | |
8882 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 8883 | return ret; |
f894efd1 | 8884 | #endif |
3532fa74 FB |
8885 | #ifdef TARGET_NR_socket |
8886 | case TARGET_NR_socket: | |
72eb7ea8 | 8887 | return do_socket(arg1, arg2, arg3); |
3532fa74 FB |
8888 | #endif |
8889 | #ifdef TARGET_NR_socketpair | |
8890 | case TARGET_NR_socketpair: | |
72eb7ea8 | 8891 | return do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
8892 | #endif |
8893 | #ifdef TARGET_NR_setsockopt | |
8894 | case TARGET_NR_setsockopt: | |
72eb7ea8 | 8895 | return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
3532fa74 | 8896 | #endif |
da2c8ad7 | 8897 | #if defined(TARGET_NR_syslog) |
31e31b8a | 8898 | case TARGET_NR_syslog: |
da2c8ad7 AM |
8899 | { |
8900 | int len = arg2; | |
7494b0f9 | 8901 | |
da2c8ad7 AM |
8902 | switch (arg1) { |
8903 | case TARGET_SYSLOG_ACTION_CLOSE: /* Close log */ | |
8904 | case TARGET_SYSLOG_ACTION_OPEN: /* Open log */ | |
8905 | case TARGET_SYSLOG_ACTION_CLEAR: /* Clear ring buffer */ | |
8906 | case TARGET_SYSLOG_ACTION_CONSOLE_OFF: /* Disable logging */ | |
8907 | case TARGET_SYSLOG_ACTION_CONSOLE_ON: /* Enable logging */ | |
8908 | case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: /* Set messages level */ | |
8909 | case TARGET_SYSLOG_ACTION_SIZE_UNREAD: /* Number of chars */ | |
8910 | case TARGET_SYSLOG_ACTION_SIZE_BUFFER: /* Size of the buffer */ | |
72eb7ea8 | 8911 | return get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); |
da2c8ad7 AM |
8912 | case TARGET_SYSLOG_ACTION_READ: /* Read from log */ |
8913 | case TARGET_SYSLOG_ACTION_READ_CLEAR: /* Read/clear msgs */ | |
8914 | case TARGET_SYSLOG_ACTION_READ_ALL: /* Read last messages */ | |
8915 | { | |
da2c8ad7 | 8916 | if (len < 0) { |
259841c1 | 8917 | return -TARGET_EINVAL; |
da2c8ad7 | 8918 | } |
da2c8ad7 | 8919 | if (len == 0) { |
72eb7ea8 | 8920 | return 0; |
da2c8ad7 AM |
8921 | } |
8922 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
8923 | if (!p) { | |
259841c1 | 8924 | return -TARGET_EFAULT; |
da2c8ad7 AM |
8925 | } |
8926 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); | |
8927 | unlock_user(p, arg2, arg3); | |
8928 | } | |
72eb7ea8 | 8929 | return ret; |
da2c8ad7 | 8930 | default: |
72eb7ea8 | 8931 | return -TARGET_EINVAL; |
da2c8ad7 AM |
8932 | } |
8933 | } | |
8934 | break; | |
8935 | #endif | |
31e31b8a | 8936 | case TARGET_NR_setitimer: |
66fb9763 | 8937 | { |
66fb9763 FB |
8938 | struct itimerval value, ovalue, *pvalue; |
8939 | ||
53a5960a | 8940 | if (arg2) { |
66fb9763 | 8941 | pvalue = &value; |
788f5ec4 TS |
8942 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
8943 | || copy_from_user_timeval(&pvalue->it_value, | |
8944 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 8945 | return -TARGET_EFAULT; |
66fb9763 FB |
8946 | } else { |
8947 | pvalue = NULL; | |
8948 | } | |
8949 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 8950 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
8951 | if (copy_to_user_timeval(arg3, |
8952 | &ovalue.it_interval) | |
8953 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
8954 | &ovalue.it_value)) | |
2852aafd | 8955 | return -TARGET_EFAULT; |
66fb9763 FB |
8956 | } |
8957 | } | |
72eb7ea8 | 8958 | return ret; |
31e31b8a | 8959 | case TARGET_NR_getitimer: |
66fb9763 | 8960 | { |
66fb9763 | 8961 | struct itimerval value; |
3b46e624 | 8962 | |
66fb9763 | 8963 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 8964 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
8965 | if (copy_to_user_timeval(arg2, |
8966 | &value.it_interval) | |
8967 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
8968 | &value.it_value)) | |
2852aafd | 8969 | return -TARGET_EFAULT; |
66fb9763 FB |
8970 | } |
8971 | } | |
72eb7ea8 | 8972 | return ret; |
704eff6c | 8973 | #ifdef TARGET_NR_stat |
31e31b8a | 8974 | case TARGET_NR_stat: |
2852aafd RH |
8975 | if (!(p = lock_user_string(arg1))) { |
8976 | return -TARGET_EFAULT; | |
8977 | } | |
53a5960a PB |
8978 | ret = get_errno(stat(path(p), &st)); |
8979 | unlock_user(p, arg1, 0); | |
31e31b8a | 8980 | goto do_stat; |
704eff6c CG |
8981 | #endif |
8982 | #ifdef TARGET_NR_lstat | |
31e31b8a | 8983 | case TARGET_NR_lstat: |
2852aafd RH |
8984 | if (!(p = lock_user_string(arg1))) { |
8985 | return -TARGET_EFAULT; | |
8986 | } | |
53a5960a PB |
8987 | ret = get_errno(lstat(path(p), &st)); |
8988 | unlock_user(p, arg1, 0); | |
31e31b8a | 8989 | goto do_stat; |
704eff6c | 8990 | #endif |
4f7f8924 | 8991 | #ifdef TARGET_NR_fstat |
31e31b8a FB |
8992 | case TARGET_NR_fstat: |
8993 | { | |
8994 | ret = get_errno(fstat(arg1, &st)); | |
704eff6c | 8995 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat) |
31e31b8a | 8996 | do_stat: |
704eff6c | 8997 | #endif |
31e31b8a | 8998 | if (!is_error(ret)) { |
53a5960a | 8999 | struct target_stat *target_st; |
e3584658 | 9000 | |
579a97f7 | 9001 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
2852aafd | 9002 | return -TARGET_EFAULT; |
12727917 | 9003 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
9004 | __put_user(st.st_dev, &target_st->st_dev); |
9005 | __put_user(st.st_ino, &target_st->st_ino); | |
9006 | __put_user(st.st_mode, &target_st->st_mode); | |
9007 | __put_user(st.st_uid, &target_st->st_uid); | |
9008 | __put_user(st.st_gid, &target_st->st_gid); | |
9009 | __put_user(st.st_nlink, &target_st->st_nlink); | |
9010 | __put_user(st.st_rdev, &target_st->st_rdev); | |
9011 | __put_user(st.st_size, &target_st->st_size); | |
9012 | __put_user(st.st_blksize, &target_st->st_blksize); | |
9013 | __put_user(st.st_blocks, &target_st->st_blocks); | |
9014 | __put_user(st.st_atime, &target_st->target_st_atime); | |
9015 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
9016 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
5f992db6 CYT |
9017 | #if (_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700) && \ |
9018 | defined(TARGET_STAT_HAVE_NSEC) | |
9019 | __put_user(st.st_atim.tv_nsec, | |
9020 | &target_st->target_st_atime_nsec); | |
9021 | __put_user(st.st_mtim.tv_nsec, | |
9022 | &target_st->target_st_mtime_nsec); | |
9023 | __put_user(st.st_ctim.tv_nsec, | |
9024 | &target_st->target_st_ctime_nsec); | |
9025 | #endif | |
53a5960a | 9026 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
9027 | } |
9028 | } | |
72eb7ea8 | 9029 | return ret; |
ebc05488 | 9030 | #endif |
31e31b8a | 9031 | case TARGET_NR_vhangup: |
72eb7ea8 | 9032 | return get_errno(vhangup()); |
42ad6ae9 FB |
9033 | #ifdef TARGET_NR_syscall |
9034 | case TARGET_NR_syscall: | |
72eb7ea8 RH |
9035 | return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
9036 | arg6, arg7, arg8, 0); | |
ebc05488 | 9037 | #endif |
31e31b8a FB |
9038 | case TARGET_NR_wait4: |
9039 | { | |
9040 | int status; | |
992f48a0 | 9041 | abi_long status_ptr = arg2; |
31e31b8a | 9042 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 9043 | abi_ulong target_rusage = arg4; |
a39fb273 | 9044 | abi_long rusage_err; |
31e31b8a FB |
9045 | if (target_rusage) |
9046 | rusage_ptr = &rusage; | |
9047 | else | |
9048 | rusage_ptr = NULL; | |
4af80a37 | 9049 | ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr)); |
31e31b8a | 9050 | if (!is_error(ret)) { |
5379557b | 9051 | if (status_ptr && ret) { |
1d9d8b55 | 9052 | status = host_to_target_waitstatus(status); |
2f619698 | 9053 | if (put_user_s32(status, status_ptr)) |
2852aafd | 9054 | return -TARGET_EFAULT; |
31e31b8a | 9055 | } |
a39fb273 PJ |
9056 | if (target_rusage) { |
9057 | rusage_err = host_to_target_rusage(target_rusage, &rusage); | |
9058 | if (rusage_err) { | |
9059 | ret = rusage_err; | |
9060 | } | |
9061 | } | |
31e31b8a FB |
9062 | } |
9063 | } | |
72eb7ea8 | 9064 | return ret; |
e5febef5 | 9065 | #ifdef TARGET_NR_swapoff |
31e31b8a | 9066 | case TARGET_NR_swapoff: |
579a97f7 | 9067 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9068 | return -TARGET_EFAULT; |
53a5960a PB |
9069 | ret = get_errno(swapoff(p)); |
9070 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9071 | return ret; |
e5febef5 | 9072 | #endif |
31e31b8a | 9073 | case TARGET_NR_sysinfo: |
a5448a7d | 9074 | { |
53a5960a | 9075 | struct target_sysinfo *target_value; |
a5448a7d FB |
9076 | struct sysinfo value; |
9077 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 9078 | if (!is_error(ret) && arg1) |
a5448a7d | 9079 | { |
579a97f7 | 9080 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
2852aafd | 9081 | return -TARGET_EFAULT; |
a5448a7d FB |
9082 | __put_user(value.uptime, &target_value->uptime); |
9083 | __put_user(value.loads[0], &target_value->loads[0]); | |
9084 | __put_user(value.loads[1], &target_value->loads[1]); | |
9085 | __put_user(value.loads[2], &target_value->loads[2]); | |
9086 | __put_user(value.totalram, &target_value->totalram); | |
9087 | __put_user(value.freeram, &target_value->freeram); | |
9088 | __put_user(value.sharedram, &target_value->sharedram); | |
9089 | __put_user(value.bufferram, &target_value->bufferram); | |
9090 | __put_user(value.totalswap, &target_value->totalswap); | |
9091 | __put_user(value.freeswap, &target_value->freeswap); | |
9092 | __put_user(value.procs, &target_value->procs); | |
9093 | __put_user(value.totalhigh, &target_value->totalhigh); | |
9094 | __put_user(value.freehigh, &target_value->freehigh); | |
9095 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 9096 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
9097 | } |
9098 | } | |
72eb7ea8 | 9099 | return ret; |
e5febef5 | 9100 | #ifdef TARGET_NR_ipc |
31e31b8a | 9101 | case TARGET_NR_ipc: |
72eb7ea8 | 9102 | return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); |
e5febef5 | 9103 | #endif |
e5289087 AJ |
9104 | #ifdef TARGET_NR_semget |
9105 | case TARGET_NR_semget: | |
72eb7ea8 | 9106 | return get_errno(semget(arg1, arg2, arg3)); |
e5289087 AJ |
9107 | #endif |
9108 | #ifdef TARGET_NR_semop | |
9109 | case TARGET_NR_semop: | |
72eb7ea8 | 9110 | return do_semop(arg1, arg2, arg3); |
e5289087 AJ |
9111 | #endif |
9112 | #ifdef TARGET_NR_semctl | |
9113 | case TARGET_NR_semctl: | |
72eb7ea8 | 9114 | return do_semctl(arg1, arg2, arg3, arg4); |
e5289087 | 9115 | #endif |
eeb438c1 AJ |
9116 | #ifdef TARGET_NR_msgctl |
9117 | case TARGET_NR_msgctl: | |
72eb7ea8 | 9118 | return do_msgctl(arg1, arg2, arg3); |
eeb438c1 AJ |
9119 | #endif |
9120 | #ifdef TARGET_NR_msgget | |
9121 | case TARGET_NR_msgget: | |
72eb7ea8 | 9122 | return get_errno(msgget(arg1, arg2)); |
eeb438c1 AJ |
9123 | #endif |
9124 | #ifdef TARGET_NR_msgrcv | |
9125 | case TARGET_NR_msgrcv: | |
72eb7ea8 | 9126 | return do_msgrcv(arg1, arg2, arg3, arg4, arg5); |
eeb438c1 AJ |
9127 | #endif |
9128 | #ifdef TARGET_NR_msgsnd | |
9129 | case TARGET_NR_msgsnd: | |
72eb7ea8 | 9130 | return do_msgsnd(arg1, arg2, arg3, arg4); |
88a8c984 RV |
9131 | #endif |
9132 | #ifdef TARGET_NR_shmget | |
9133 | case TARGET_NR_shmget: | |
72eb7ea8 | 9134 | return get_errno(shmget(arg1, arg2, arg3)); |
88a8c984 RV |
9135 | #endif |
9136 | #ifdef TARGET_NR_shmctl | |
9137 | case TARGET_NR_shmctl: | |
72eb7ea8 | 9138 | return do_shmctl(arg1, arg2, arg3); |
88a8c984 RV |
9139 | #endif |
9140 | #ifdef TARGET_NR_shmat | |
9141 | case TARGET_NR_shmat: | |
72eb7ea8 | 9142 | return do_shmat(cpu_env, arg1, arg2, arg3); |
88a8c984 RV |
9143 | #endif |
9144 | #ifdef TARGET_NR_shmdt | |
9145 | case TARGET_NR_shmdt: | |
72eb7ea8 | 9146 | return do_shmdt(arg1); |
eeb438c1 | 9147 | #endif |
31e31b8a | 9148 | case TARGET_NR_fsync: |
72eb7ea8 | 9149 | return get_errno(fsync(arg1)); |
31e31b8a | 9150 | case TARGET_NR_clone: |
4ce6243d PM |
9151 | /* Linux manages to have three different orderings for its |
9152 | * arguments to clone(); the BACKWARDS and BACKWARDS2 defines | |
9153 | * match the kernel's CONFIG_CLONE_* settings. | |
9154 | * Microblaze is further special in that it uses a sixth | |
9155 | * implicit argument to clone for the TLS pointer. | |
9156 | */ | |
9157 | #if defined(TARGET_MICROBLAZE) | |
a5b3bdcb | 9158 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
4ce6243d PM |
9159 | #elif defined(TARGET_CLONE_BACKWARDS) |
9160 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); | |
9161 | #elif defined(TARGET_CLONE_BACKWARDS2) | |
a4c075f1 | 9162 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
0b6d3ae0 | 9163 | #else |
4ce6243d | 9164 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
0b6d3ae0 | 9165 | #endif |
72eb7ea8 | 9166 | return ret; |
ec86b0fb FB |
9167 | #ifdef __NR_exit_group |
9168 | /* new thread calls */ | |
9169 | case TARGET_NR_exit_group: | |
708b6a64 | 9170 | preexit_cleanup(cpu_env, arg1); |
72eb7ea8 | 9171 | return get_errno(exit_group(arg1)); |
ec86b0fb | 9172 | #endif |
31e31b8a | 9173 | case TARGET_NR_setdomainname: |
579a97f7 | 9174 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9175 | return -TARGET_EFAULT; |
53a5960a PB |
9176 | ret = get_errno(setdomainname(p, arg2)); |
9177 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9178 | return ret; |
31e31b8a FB |
9179 | case TARGET_NR_uname: |
9180 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
9181 | { |
9182 | struct new_utsname * buf; | |
3b46e624 | 9183 | |
579a97f7 | 9184 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
2852aafd | 9185 | return -TARGET_EFAULT; |
29e619b1 FB |
9186 | ret = get_errno(sys_uname(buf)); |
9187 | if (!is_error(ret)) { | |
332c9781 | 9188 | /* Overwrite the native machine name with whatever is being |
29e619b1 | 9189 | emulated. */ |
871f95c6 PMD |
9190 | g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env), |
9191 | sizeof(buf->machine)); | |
c5937220 | 9192 | /* Allow the user to override the reported release. */ |
332c9781 PM |
9193 | if (qemu_uname_release && *qemu_uname_release) { |
9194 | g_strlcpy(buf->release, qemu_uname_release, | |
9195 | sizeof(buf->release)); | |
9196 | } | |
29e619b1 | 9197 | } |
53a5960a | 9198 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 9199 | } |
72eb7ea8 | 9200 | return ret; |
6dbad63e | 9201 | #ifdef TARGET_I386 |
31e31b8a | 9202 | case TARGET_NR_modify_ldt: |
72eb7ea8 | 9203 | return do_modify_ldt(cpu_env, arg1, arg2, arg3); |
84409ddb | 9204 | #if !defined(TARGET_X86_64) |
5cd4393b | 9205 | case TARGET_NR_vm86: |
72eb7ea8 | 9206 | return do_vm86(cpu_env, arg1, arg2); |
84409ddb | 9207 | #endif |
6dbad63e | 9208 | #endif |
31e31b8a | 9209 | case TARGET_NR_adjtimex: |
19f59bce AM |
9210 | { |
9211 | struct timex host_buf; | |
9212 | ||
9213 | if (target_to_host_timex(&host_buf, arg1) != 0) { | |
2852aafd | 9214 | return -TARGET_EFAULT; |
19f59bce AM |
9215 | } |
9216 | ret = get_errno(adjtimex(&host_buf)); | |
9217 | if (!is_error(ret)) { | |
9218 | if (host_to_target_timex(arg1, &host_buf) != 0) { | |
2852aafd | 9219 | return -TARGET_EFAULT; |
19f59bce AM |
9220 | } |
9221 | } | |
9222 | } | |
72eb7ea8 | 9223 | return ret; |
38860a03 AM |
9224 | #if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME) |
9225 | case TARGET_NR_clock_adjtime: | |
9226 | { | |
9227 | struct timex htx, *phtx = &htx; | |
9228 | ||
9229 | if (target_to_host_timex(phtx, arg2) != 0) { | |
2852aafd | 9230 | return -TARGET_EFAULT; |
38860a03 AM |
9231 | } |
9232 | ret = get_errno(clock_adjtime(arg1, phtx)); | |
9233 | if (!is_error(ret) && phtx) { | |
9234 | if (host_to_target_timex(arg2, phtx) != 0) { | |
2852aafd | 9235 | return -TARGET_EFAULT; |
38860a03 AM |
9236 | } |
9237 | } | |
9238 | } | |
72eb7ea8 | 9239 | return ret; |
38860a03 | 9240 | #endif |
31e31b8a | 9241 | case TARGET_NR_getpgid: |
72eb7ea8 | 9242 | return get_errno(getpgid(arg1)); |
31e31b8a | 9243 | case TARGET_NR_fchdir: |
72eb7ea8 | 9244 | return get_errno(fchdir(arg1)); |
31e31b8a | 9245 | case TARGET_NR_personality: |
72eb7ea8 | 9246 | return get_errno(personality(arg1)); |
7a3148a9 | 9247 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
9248 | case TARGET_NR__llseek: |
9249 | { | |
0c1592d9 | 9250 | int64_t res; |
d35b261c | 9251 | #if !defined(__NR_llseek) |
9fea273c | 9252 | res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5); |
0c1592d9 PM |
9253 | if (res == -1) { |
9254 | ret = get_errno(res); | |
9255 | } else { | |
9256 | ret = 0; | |
9257 | } | |
4f2ac237 | 9258 | #else |
31e31b8a | 9259 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 9260 | #endif |
0c1592d9 | 9261 | if ((ret == 0) && put_user_s64(res, arg4)) { |
2852aafd | 9262 | return -TARGET_EFAULT; |
0c1592d9 | 9263 | } |
31e31b8a | 9264 | } |
72eb7ea8 | 9265 | return ret; |
7a3148a9 | 9266 | #endif |
704eff6c | 9267 | #ifdef TARGET_NR_getdents |
31e31b8a | 9268 | case TARGET_NR_getdents: |
2b3f64cb | 9269 | #ifdef EMULATE_GETDENTS_WITH_GETDENTS |
d83c8733 | 9270 | #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
4add45b4 | 9271 | { |
53a5960a | 9272 | struct target_dirent *target_dirp; |
6556a833 | 9273 | struct linux_dirent *dirp; |
992f48a0 | 9274 | abi_long count = arg3; |
4add45b4 | 9275 | |
0e173b24 HK |
9276 | dirp = g_try_malloc(count); |
9277 | if (!dirp) { | |
259841c1 | 9278 | return -TARGET_ENOMEM; |
0da46a6e | 9279 | } |
3b46e624 | 9280 | |
4add45b4 FB |
9281 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
9282 | if (!is_error(ret)) { | |
6556a833 | 9283 | struct linux_dirent *de; |
4add45b4 FB |
9284 | struct target_dirent *tde; |
9285 | int len = ret; | |
9286 | int reclen, treclen; | |
9287 | int count1, tnamelen; | |
9288 | ||
9289 | count1 = 0; | |
9290 | de = dirp; | |
579a97f7 | 9291 | if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 9292 | return -TARGET_EFAULT; |
4add45b4 FB |
9293 | tde = target_dirp; |
9294 | while (len > 0) { | |
9295 | reclen = de->d_reclen; | |
333858b7 DL |
9296 | tnamelen = reclen - offsetof(struct linux_dirent, d_name); |
9297 | assert(tnamelen >= 0); | |
9298 | treclen = tnamelen + offsetof(struct target_dirent, d_name); | |
9299 | assert(count1 + treclen <= count); | |
4add45b4 | 9300 | tde->d_reclen = tswap16(treclen); |
cbb21eed MB |
9301 | tde->d_ino = tswapal(de->d_ino); |
9302 | tde->d_off = tswapal(de->d_off); | |
333858b7 | 9303 | memcpy(tde->d_name, de->d_name, tnamelen); |
6556a833 | 9304 | de = (struct linux_dirent *)((char *)de + reclen); |
4add45b4 | 9305 | len -= reclen; |
1c5bf3bf | 9306 | tde = (struct target_dirent *)((char *)tde + treclen); |
4add45b4 FB |
9307 | count1 += treclen; |
9308 | } | |
9309 | ret = count1; | |
579a97f7 | 9310 | unlock_user(target_dirp, arg2, ret); |
4add45b4 | 9311 | } |
0e173b24 | 9312 | g_free(dirp); |
4add45b4 FB |
9313 | } |
9314 | #else | |
31e31b8a | 9315 | { |
6556a833 | 9316 | struct linux_dirent *dirp; |
992f48a0 | 9317 | abi_long count = arg3; |
dab2ed99 | 9318 | |
579a97f7 | 9319 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 9320 | return -TARGET_EFAULT; |
72f03900 | 9321 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
31e31b8a | 9322 | if (!is_error(ret)) { |
6556a833 | 9323 | struct linux_dirent *de; |
31e31b8a FB |
9324 | int len = ret; |
9325 | int reclen; | |
9326 | de = dirp; | |
9327 | while (len > 0) { | |
8083a3e5 | 9328 | reclen = de->d_reclen; |
31e31b8a FB |
9329 | if (reclen > len) |
9330 | break; | |
8083a3e5 | 9331 | de->d_reclen = tswap16(reclen); |
31e31b8a FB |
9332 | tswapls(&de->d_ino); |
9333 | tswapls(&de->d_off); | |
6556a833 | 9334 | de = (struct linux_dirent *)((char *)de + reclen); |
31e31b8a FB |
9335 | len -= reclen; |
9336 | } | |
9337 | } | |
53a5960a | 9338 | unlock_user(dirp, arg2, ret); |
3307e236 PM |
9339 | } |
9340 | #endif | |
9341 | #else | |
9342 | /* Implement getdents in terms of getdents64 */ | |
9343 | { | |
9344 | struct linux_dirent64 *dirp; | |
9345 | abi_long count = arg3; | |
9346 | ||
9347 | dirp = lock_user(VERIFY_WRITE, arg2, count, 0); | |
9348 | if (!dirp) { | |
2852aafd | 9349 | return -TARGET_EFAULT; |
3307e236 PM |
9350 | } |
9351 | ret = get_errno(sys_getdents64(arg1, dirp, count)); | |
9352 | if (!is_error(ret)) { | |
9353 | /* Convert the dirent64 structs to target dirent. We do this | |
9354 | * in-place, since we can guarantee that a target_dirent is no | |
9355 | * larger than a dirent64; however this means we have to be | |
9356 | * careful to read everything before writing in the new format. | |
9357 | */ | |
9358 | struct linux_dirent64 *de; | |
9359 | struct target_dirent *tde; | |
9360 | int len = ret; | |
9361 | int tlen = 0; | |
9362 | ||
9363 | de = dirp; | |
9364 | tde = (struct target_dirent *)dirp; | |
9365 | while (len > 0) { | |
9366 | int namelen, treclen; | |
9367 | int reclen = de->d_reclen; | |
9368 | uint64_t ino = de->d_ino; | |
9369 | int64_t off = de->d_off; | |
9370 | uint8_t type = de->d_type; | |
9371 | ||
9372 | namelen = strlen(de->d_name); | |
9373 | treclen = offsetof(struct target_dirent, d_name) | |
9374 | + namelen + 2; | |
9375 | treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long)); | |
9376 | ||
9377 | memmove(tde->d_name, de->d_name, namelen + 1); | |
9378 | tde->d_ino = tswapal(ino); | |
9379 | tde->d_off = tswapal(off); | |
9380 | tde->d_reclen = tswap16(treclen); | |
9381 | /* The target_dirent type is in what was formerly a padding | |
9382 | * byte at the end of the structure: | |
9383 | */ | |
9384 | *(((char *)tde) + treclen - 1) = type; | |
9385 | ||
9386 | de = (struct linux_dirent64 *)((char *)de + reclen); | |
9387 | tde = (struct target_dirent *)((char *)tde + treclen); | |
9388 | len -= reclen; | |
9389 | tlen += treclen; | |
9390 | } | |
9391 | ret = tlen; | |
9392 | } | |
9393 | unlock_user(dirp, arg2, ret); | |
31e31b8a | 9394 | } |
4add45b4 | 9395 | #endif |
72eb7ea8 | 9396 | return ret; |
704eff6c | 9397 | #endif /* TARGET_NR_getdents */ |
3ae43202 | 9398 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 FB |
9399 | case TARGET_NR_getdents64: |
9400 | { | |
6556a833 | 9401 | struct linux_dirent64 *dirp; |
992f48a0 | 9402 | abi_long count = arg3; |
579a97f7 | 9403 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 9404 | return -TARGET_EFAULT; |
dab2ed99 FB |
9405 | ret = get_errno(sys_getdents64(arg1, dirp, count)); |
9406 | if (!is_error(ret)) { | |
6556a833 | 9407 | struct linux_dirent64 *de; |
dab2ed99 FB |
9408 | int len = ret; |
9409 | int reclen; | |
9410 | de = dirp; | |
9411 | while (len > 0) { | |
8083a3e5 | 9412 | reclen = de->d_reclen; |
dab2ed99 FB |
9413 | if (reclen > len) |
9414 | break; | |
8083a3e5 | 9415 | de->d_reclen = tswap16(reclen); |
8582a53a FB |
9416 | tswap64s((uint64_t *)&de->d_ino); |
9417 | tswap64s((uint64_t *)&de->d_off); | |
6556a833 | 9418 | de = (struct linux_dirent64 *)((char *)de + reclen); |
dab2ed99 FB |
9419 | len -= reclen; |
9420 | } | |
9421 | } | |
53a5960a | 9422 | unlock_user(dirp, arg2, ret); |
dab2ed99 | 9423 | } |
72eb7ea8 | 9424 | return ret; |
a541f297 | 9425 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 9426 | #if defined(TARGET_NR__newselect) |
31e31b8a | 9427 | case TARGET_NR__newselect: |
72eb7ea8 | 9428 | return do_select(arg1, arg2, arg3, arg4, arg5); |
e5febef5 | 9429 | #endif |
d8035d4c MF |
9430 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) |
9431 | # ifdef TARGET_NR_poll | |
9de5e440 | 9432 | case TARGET_NR_poll: |
d8035d4c MF |
9433 | # endif |
9434 | # ifdef TARGET_NR_ppoll | |
9435 | case TARGET_NR_ppoll: | |
9436 | # endif | |
9de5e440 | 9437 | { |
53a5960a | 9438 | struct target_pollfd *target_pfd; |
9de5e440 | 9439 | unsigned int nfds = arg2; |
9de5e440 | 9440 | struct pollfd *pfd; |
7854b056 | 9441 | unsigned int i; |
9de5e440 | 9442 | |
3e24bb3f LV |
9443 | pfd = NULL; |
9444 | target_pfd = NULL; | |
9445 | if (nfds) { | |
ce9c139d | 9446 | if (nfds > (INT_MAX / sizeof(struct target_pollfd))) { |
72eb7ea8 | 9447 | return -TARGET_EINVAL; |
ce9c139d PM |
9448 | } |
9449 | ||
3e24bb3f LV |
9450 | target_pfd = lock_user(VERIFY_WRITE, arg1, |
9451 | sizeof(struct target_pollfd) * nfds, 1); | |
9452 | if (!target_pfd) { | |
2852aafd | 9453 | return -TARGET_EFAULT; |
3e24bb3f | 9454 | } |
d8035d4c | 9455 | |
3e24bb3f LV |
9456 | pfd = alloca(sizeof(struct pollfd) * nfds); |
9457 | for (i = 0; i < nfds; i++) { | |
9458 | pfd[i].fd = tswap32(target_pfd[i].fd); | |
9459 | pfd[i].events = tswap16(target_pfd[i].events); | |
9460 | } | |
9de5e440 | 9461 | } |
d8035d4c | 9462 | |
a6130237 | 9463 | switch (num) { |
d8035d4c | 9464 | # ifdef TARGET_NR_ppoll |
a6130237 PM |
9465 | case TARGET_NR_ppoll: |
9466 | { | |
d8035d4c MF |
9467 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; |
9468 | target_sigset_t *target_set; | |
9469 | sigset_t _set, *set = &_set; | |
9470 | ||
9471 | if (arg3) { | |
9472 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
9473 | unlock_user(target_pfd, arg1, 0); | |
2852aafd | 9474 | return -TARGET_EFAULT; |
d8035d4c MF |
9475 | } |
9476 | } else { | |
9477 | timeout_ts = NULL; | |
9478 | } | |
9479 | ||
9480 | if (arg4) { | |
c815701e PM |
9481 | if (arg5 != sizeof(target_sigset_t)) { |
9482 | unlock_user(target_pfd, arg1, 0); | |
72eb7ea8 | 9483 | return -TARGET_EINVAL; |
c815701e PM |
9484 | } |
9485 | ||
d8035d4c MF |
9486 | target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); |
9487 | if (!target_set) { | |
9488 | unlock_user(target_pfd, arg1, 0); | |
2852aafd | 9489 | return -TARGET_EFAULT; |
d8035d4c MF |
9490 | } |
9491 | target_to_host_sigset(set, target_set); | |
9492 | } else { | |
9493 | set = NULL; | |
9494 | } | |
9495 | ||
a6130237 PM |
9496 | ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts, |
9497 | set, SIGSET_T_SIZE)); | |
d8035d4c MF |
9498 | |
9499 | if (!is_error(ret) && arg3) { | |
9500 | host_to_target_timespec(arg3, timeout_ts); | |
9501 | } | |
9502 | if (arg4) { | |
9503 | unlock_user(target_set, arg4, 0); | |
9504 | } | |
a6130237 PM |
9505 | break; |
9506 | } | |
d8035d4c | 9507 | # endif |
a6130237 PM |
9508 | # ifdef TARGET_NR_poll |
9509 | case TARGET_NR_poll: | |
9510 | { | |
9511 | struct timespec ts, *pts; | |
9512 | ||
9513 | if (arg3 >= 0) { | |
9514 | /* Convert ms to secs, ns */ | |
9515 | ts.tv_sec = arg3 / 1000; | |
9516 | ts.tv_nsec = (arg3 % 1000) * 1000000LL; | |
9517 | pts = &ts; | |
9518 | } else { | |
9519 | /* -ve poll() timeout means "infinite" */ | |
9520 | pts = NULL; | |
9521 | } | |
9522 | ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0)); | |
9523 | break; | |
9524 | } | |
d8035d4c | 9525 | # endif |
a6130237 PM |
9526 | default: |
9527 | g_assert_not_reached(); | |
9528 | } | |
d8035d4c | 9529 | |
9de5e440 FB |
9530 | if (!is_error(ret)) { |
9531 | for(i = 0; i < nfds; i++) { | |
5cd4393b | 9532 | target_pfd[i].revents = tswap16(pfd[i].revents); |
9de5e440 FB |
9533 | } |
9534 | } | |
30cb4cde | 9535 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); |
9de5e440 | 9536 | } |
72eb7ea8 | 9537 | return ret; |
e5febef5 | 9538 | #endif |
31e31b8a | 9539 | case TARGET_NR_flock: |
9de5e440 FB |
9540 | /* NOTE: the flock constant seems to be the same for every |
9541 | Linux platform */ | |
72eb7ea8 | 9542 | return get_errno(safe_flock(arg1, arg2)); |
31e31b8a FB |
9543 | case TARGET_NR_readv: |
9544 | { | |
f287b2c2 RH |
9545 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
9546 | if (vec != NULL) { | |
918c03ed | 9547 | ret = get_errno(safe_readv(arg1, vec, arg3)); |
f287b2c2 RH |
9548 | unlock_iovec(vec, arg2, arg3, 1); |
9549 | } else { | |
9550 | ret = -host_to_target_errno(errno); | |
9551 | } | |
31e31b8a | 9552 | } |
72eb7ea8 | 9553 | return ret; |
31e31b8a FB |
9554 | case TARGET_NR_writev: |
9555 | { | |
f287b2c2 RH |
9556 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
9557 | if (vec != NULL) { | |
918c03ed | 9558 | ret = get_errno(safe_writev(arg1, vec, arg3)); |
f287b2c2 RH |
9559 | unlock_iovec(vec, arg2, arg3, 0); |
9560 | } else { | |
9561 | ret = -host_to_target_errno(errno); | |
9562 | } | |
31e31b8a | 9563 | } |
72eb7ea8 | 9564 | return ret; |
0f26386c DJ |
9565 | #if defined(TARGET_NR_preadv) |
9566 | case TARGET_NR_preadv: | |
9567 | { | |
9568 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); | |
9569 | if (vec != NULL) { | |
9ac22517 MF |
9570 | unsigned long low, high; |
9571 | ||
9572 | target_to_host_low_high(arg4, arg5, &low, &high); | |
9573 | ret = get_errno(safe_preadv(arg1, vec, arg3, low, high)); | |
0f26386c DJ |
9574 | unlock_iovec(vec, arg2, arg3, 1); |
9575 | } else { | |
9576 | ret = -host_to_target_errno(errno); | |
f8d00fba DJ |
9577 | } |
9578 | } | |
72eb7ea8 | 9579 | return ret; |
f8d00fba DJ |
9580 | #endif |
9581 | #if defined(TARGET_NR_pwritev) | |
9582 | case TARGET_NR_pwritev: | |
9583 | { | |
9584 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); | |
9585 | if (vec != NULL) { | |
9ac22517 MF |
9586 | unsigned long low, high; |
9587 | ||
9588 | target_to_host_low_high(arg4, arg5, &low, &high); | |
9589 | ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high)); | |
f8d00fba DJ |
9590 | unlock_iovec(vec, arg2, arg3, 0); |
9591 | } else { | |
9592 | ret = -host_to_target_errno(errno); | |
0f26386c DJ |
9593 | } |
9594 | } | |
72eb7ea8 | 9595 | return ret; |
0f26386c | 9596 | #endif |
31e31b8a | 9597 | case TARGET_NR_getsid: |
72eb7ea8 | 9598 | return get_errno(getsid(arg1)); |
7a3148a9 | 9599 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 9600 | case TARGET_NR_fdatasync: |
72eb7ea8 | 9601 | return get_errno(fdatasync(arg1)); |
7a3148a9 | 9602 | #endif |
704eff6c | 9603 | #ifdef TARGET_NR__sysctl |
31e31b8a | 9604 | case TARGET_NR__sysctl: |
0da46a6e | 9605 | /* We don't implement this, but ENOTDIR is always a safe |
29e619b1 | 9606 | return value. */ |
72eb7ea8 | 9607 | return -TARGET_ENOTDIR; |
704eff6c | 9608 | #endif |
737de1d1 MF |
9609 | case TARGET_NR_sched_getaffinity: |
9610 | { | |
9611 | unsigned int mask_size; | |
9612 | unsigned long *mask; | |
9613 | ||
9614 | /* | |
9615 | * sched_getaffinity needs multiples of ulong, so need to take | |
9616 | * care of mismatches between target ulong and host ulong sizes. | |
9617 | */ | |
9618 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 9619 | return -TARGET_EINVAL; |
737de1d1 MF |
9620 | } |
9621 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
9622 | ||
9623 | mask = alloca(mask_size); | |
2e0a8713 | 9624 | memset(mask, 0, mask_size); |
737de1d1 MF |
9625 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); |
9626 | ||
9627 | if (!is_error(ret)) { | |
be3bd286 PM |
9628 | if (ret > arg2) { |
9629 | /* More data returned than the caller's buffer will fit. | |
9630 | * This only happens if sizeof(abi_long) < sizeof(long) | |
9631 | * and the caller passed us a buffer holding an odd number | |
9632 | * of abi_longs. If the host kernel is actually using the | |
9633 | * extra 4 bytes then fail EINVAL; otherwise we can just | |
9634 | * ignore them and only copy the interesting part. | |
9635 | */ | |
9636 | int numcpus = sysconf(_SC_NPROCESSORS_CONF); | |
9637 | if (numcpus > arg2 * 8) { | |
72eb7ea8 | 9638 | return -TARGET_EINVAL; |
be3bd286 PM |
9639 | } |
9640 | ret = arg2; | |
9641 | } | |
9642 | ||
5fdefcf8 | 9643 | if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) { |
2852aafd | 9644 | return -TARGET_EFAULT; |
5fdefcf8 | 9645 | } |
737de1d1 MF |
9646 | } |
9647 | } | |
72eb7ea8 | 9648 | return ret; |
737de1d1 MF |
9649 | case TARGET_NR_sched_setaffinity: |
9650 | { | |
9651 | unsigned int mask_size; | |
9652 | unsigned long *mask; | |
9653 | ||
9654 | /* | |
9655 | * sched_setaffinity needs multiples of ulong, so need to take | |
9656 | * care of mismatches between target ulong and host ulong sizes. | |
9657 | */ | |
9658 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 9659 | return -TARGET_EINVAL; |
737de1d1 MF |
9660 | } |
9661 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
737de1d1 | 9662 | mask = alloca(mask_size); |
2e0a8713 ST |
9663 | |
9664 | ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2); | |
9665 | if (ret) { | |
72eb7ea8 | 9666 | return ret; |
737de1d1 | 9667 | } |
737de1d1 | 9668 | |
72eb7ea8 | 9669 | return get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); |
737de1d1 | 9670 | } |
b827c3ed ST |
9671 | case TARGET_NR_getcpu: |
9672 | { | |
9673 | unsigned cpu, node; | |
9674 | ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL, | |
9675 | arg2 ? &node : NULL, | |
9676 | NULL)); | |
9677 | if (is_error(ret)) { | |
259841c1 | 9678 | return ret; |
b827c3ed ST |
9679 | } |
9680 | if (arg1 && put_user_u32(cpu, arg1)) { | |
2852aafd | 9681 | return -TARGET_EFAULT; |
b827c3ed ST |
9682 | } |
9683 | if (arg2 && put_user_u32(node, arg2)) { | |
2852aafd | 9684 | return -TARGET_EFAULT; |
b827c3ed ST |
9685 | } |
9686 | } | |
72eb7ea8 | 9687 | return ret; |
31e31b8a | 9688 | case TARGET_NR_sched_setparam: |
5cd4393b | 9689 | { |
53a5960a | 9690 | struct sched_param *target_schp; |
5cd4393b | 9691 | struct sched_param schp; |
53a5960a | 9692 | |
a1d5c5b2 TM |
9693 | if (arg2 == 0) { |
9694 | return -TARGET_EINVAL; | |
9695 | } | |
579a97f7 | 9696 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
2852aafd | 9697 | return -TARGET_EFAULT; |
5cd4393b | 9698 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 9699 | unlock_user_struct(target_schp, arg2, 0); |
72eb7ea8 | 9700 | return get_errno(sched_setparam(arg1, &schp)); |
5cd4393b | 9701 | } |
31e31b8a | 9702 | case TARGET_NR_sched_getparam: |
5cd4393b | 9703 | { |
53a5960a | 9704 | struct sched_param *target_schp; |
5cd4393b | 9705 | struct sched_param schp; |
a1d5c5b2 TM |
9706 | |
9707 | if (arg2 == 0) { | |
9708 | return -TARGET_EINVAL; | |
9709 | } | |
5cd4393b FB |
9710 | ret = get_errno(sched_getparam(arg1, &schp)); |
9711 | if (!is_error(ret)) { | |
579a97f7 | 9712 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
2852aafd | 9713 | return -TARGET_EFAULT; |
5cd4393b | 9714 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 9715 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
9716 | } |
9717 | } | |
72eb7ea8 | 9718 | return ret; |
31e31b8a | 9719 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 9720 | { |
53a5960a | 9721 | struct sched_param *target_schp; |
5cd4393b | 9722 | struct sched_param schp; |
a1d5c5b2 TM |
9723 | if (arg3 == 0) { |
9724 | return -TARGET_EINVAL; | |
9725 | } | |
579a97f7 | 9726 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
2852aafd | 9727 | return -TARGET_EFAULT; |
5cd4393b | 9728 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 9729 | unlock_user_struct(target_schp, arg3, 0); |
72eb7ea8 | 9730 | return get_errno(sched_setscheduler(arg1, arg2, &schp)); |
5cd4393b | 9731 | } |
31e31b8a | 9732 | case TARGET_NR_sched_getscheduler: |
72eb7ea8 | 9733 | return get_errno(sched_getscheduler(arg1)); |
31e31b8a | 9734 | case TARGET_NR_sched_yield: |
72eb7ea8 | 9735 | return get_errno(sched_yield()); |
31e31b8a | 9736 | case TARGET_NR_sched_get_priority_max: |
72eb7ea8 | 9737 | return get_errno(sched_get_priority_max(arg1)); |
31e31b8a | 9738 | case TARGET_NR_sched_get_priority_min: |
72eb7ea8 | 9739 | return get_errno(sched_get_priority_min(arg1)); |
31e31b8a | 9740 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 9741 | { |
5cd4393b FB |
9742 | struct timespec ts; |
9743 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
9744 | if (!is_error(ret)) { | |
d4290c40 | 9745 | ret = host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
9746 | } |
9747 | } | |
72eb7ea8 | 9748 | return ret; |
31e31b8a | 9749 | case TARGET_NR_nanosleep: |
1b6b029e | 9750 | { |
1b6b029e | 9751 | struct timespec req, rem; |
53a5960a | 9752 | target_to_host_timespec(&req, arg1); |
9e518226 | 9753 | ret = get_errno(safe_nanosleep(&req, &rem)); |
53a5960a PB |
9754 | if (is_error(ret) && arg2) { |
9755 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
9756 | } |
9757 | } | |
72eb7ea8 | 9758 | return ret; |
31e31b8a | 9759 | case TARGET_NR_prctl: |
1e6722f8 PM |
9760 | switch (arg1) { |
9761 | case PR_GET_PDEATHSIG: | |
9762 | { | |
9763 | int deathsig; | |
9764 | ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); | |
9765 | if (!is_error(ret) && arg2 | |
9766 | && put_user_ual(deathsig, arg2)) { | |
2852aafd | 9767 | return -TARGET_EFAULT; |
e5574487 | 9768 | } |
72eb7ea8 | 9769 | return ret; |
1e6722f8 | 9770 | } |
db9526b1 PM |
9771 | #ifdef PR_GET_NAME |
9772 | case PR_GET_NAME: | |
9773 | { | |
9774 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
9775 | if (!name) { | |
2852aafd | 9776 | return -TARGET_EFAULT; |
db9526b1 PM |
9777 | } |
9778 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
9779 | arg3, arg4, arg5)); | |
9780 | unlock_user(name, arg2, 16); | |
72eb7ea8 | 9781 | return ret; |
db9526b1 PM |
9782 | } |
9783 | case PR_SET_NAME: | |
9784 | { | |
9785 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
9786 | if (!name) { | |
2852aafd | 9787 | return -TARGET_EFAULT; |
db9526b1 PM |
9788 | } |
9789 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
9790 | arg3, arg4, arg5)); | |
9791 | unlock_user(name, arg2, 0); | |
72eb7ea8 | 9792 | return ret; |
db9526b1 PM |
9793 | } |
9794 | #endif | |
5b702ffd SM |
9795 | #ifdef TARGET_MIPS |
9796 | case TARGET_PR_GET_FP_MODE: | |
64ea3d67 SM |
9797 | { |
9798 | CPUMIPSState *env = ((CPUMIPSState *)cpu_env); | |
9799 | ret = 0; | |
9800 | if (env->CP0_Status & (1 << CP0St_FR)) { | |
9801 | ret |= TARGET_PR_FP_MODE_FR; | |
9802 | } | |
9803 | if (env->CP0_Config5 & (1 << CP0C5_FRE)) { | |
9804 | ret |= TARGET_PR_FP_MODE_FRE; | |
9805 | } | |
9806 | return ret; | |
9807 | } | |
5b702ffd | 9808 | case TARGET_PR_SET_FP_MODE: |
64ea3d67 SM |
9809 | { |
9810 | CPUMIPSState *env = ((CPUMIPSState *)cpu_env); | |
9811 | bool old_fr = env->CP0_Status & (1 << CP0St_FR); | |
6456c510 | 9812 | bool old_fre = env->CP0_Config5 & (1 << CP0C5_FRE); |
64ea3d67 SM |
9813 | bool new_fr = arg2 & TARGET_PR_FP_MODE_FR; |
9814 | bool new_fre = arg2 & TARGET_PR_FP_MODE_FRE; | |
9815 | ||
6456c510 SM |
9816 | const unsigned int known_bits = TARGET_PR_FP_MODE_FR | |
9817 | TARGET_PR_FP_MODE_FRE; | |
9818 | ||
9819 | /* If nothing to change, return right away, successfully. */ | |
9820 | if (old_fr == new_fr && old_fre == new_fre) { | |
9821 | return 0; | |
9822 | } | |
9823 | /* Check the value is valid */ | |
9824 | if (arg2 & ~known_bits) { | |
9825 | return -TARGET_EOPNOTSUPP; | |
9826 | } | |
9827 | /* Setting FRE without FR is not supported. */ | |
9828 | if (new_fre && !new_fr) { | |
9829 | return -TARGET_EOPNOTSUPP; | |
9830 | } | |
64ea3d67 SM |
9831 | if (new_fr && !(env->active_fpu.fcr0 & (1 << FCR0_F64))) { |
9832 | /* FR1 is not supported */ | |
9833 | return -TARGET_EOPNOTSUPP; | |
9834 | } | |
9835 | if (!new_fr && (env->active_fpu.fcr0 & (1 << FCR0_F64)) | |
9836 | && !(env->CP0_Status_rw_bitmask & (1 << CP0St_FR))) { | |
9837 | /* cannot set FR=0 */ | |
9838 | return -TARGET_EOPNOTSUPP; | |
9839 | } | |
9840 | if (new_fre && !(env->active_fpu.fcr0 & (1 << FCR0_FREP))) { | |
9841 | /* Cannot set FRE=1 */ | |
9842 | return -TARGET_EOPNOTSUPP; | |
9843 | } | |
9844 | ||
9845 | int i; | |
9846 | fpr_t *fpr = env->active_fpu.fpr; | |
9847 | for (i = 0; i < 32 ; i += 2) { | |
9848 | if (!old_fr && new_fr) { | |
9849 | fpr[i].w[!FP_ENDIAN_IDX] = fpr[i + 1].w[FP_ENDIAN_IDX]; | |
9850 | } else if (old_fr && !new_fr) { | |
9851 | fpr[i + 1].w[FP_ENDIAN_IDX] = fpr[i].w[!FP_ENDIAN_IDX]; | |
9852 | } | |
9853 | } | |
9854 | ||
9855 | if (new_fr) { | |
9856 | env->CP0_Status |= (1 << CP0St_FR); | |
9857 | env->hflags |= MIPS_HFLAG_F64; | |
9858 | } else { | |
9859 | env->CP0_Status &= ~(1 << CP0St_FR); | |
6456c510 | 9860 | env->hflags &= ~MIPS_HFLAG_F64; |
64ea3d67 SM |
9861 | } |
9862 | if (new_fre) { | |
9863 | env->CP0_Config5 |= (1 << CP0C5_FRE); | |
9864 | if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) { | |
9865 | env->hflags |= MIPS_HFLAG_FRE; | |
9866 | } | |
9867 | } else { | |
9868 | env->CP0_Config5 &= ~(1 << CP0C5_FRE); | |
6456c510 | 9869 | env->hflags &= ~MIPS_HFLAG_FRE; |
64ea3d67 SM |
9870 | } |
9871 | ||
9872 | return 0; | |
9873 | } | |
5b702ffd | 9874 | #endif /* MIPS */ |
85fc7167 RH |
9875 | #ifdef TARGET_AARCH64 |
9876 | case TARGET_PR_SVE_SET_VL: | |
adf92eab RH |
9877 | /* |
9878 | * We cannot support either PR_SVE_SET_VL_ONEXEC or | |
9879 | * PR_SVE_VL_INHERIT. Note the kernel definition | |
9880 | * of sve_vl_valid allows for VQ=512, i.e. VL=8192, | |
9881 | * even though the current architectural maximum is VQ=16. | |
9882 | */ | |
85fc7167 | 9883 | ret = -TARGET_EINVAL; |
2fc0cc0e | 9884 | if (cpu_isar_feature(aa64_sve, env_archcpu(cpu_env)) |
adf92eab | 9885 | && arg2 >= 0 && arg2 <= 512 * 16 && !(arg2 & 15)) { |
85fc7167 | 9886 | CPUARMState *env = cpu_env; |
2fc0cc0e | 9887 | ARMCPU *cpu = env_archcpu(env); |
adf92eab RH |
9888 | uint32_t vq, old_vq; |
9889 | ||
9890 | old_vq = (env->vfp.zcr_el[1] & 0xf) + 1; | |
9891 | vq = MAX(arg2 / 16, 1); | |
9892 | vq = MIN(vq, cpu->sve_max_vq); | |
85fc7167 RH |
9893 | |
9894 | if (vq < old_vq) { | |
9895 | aarch64_sve_narrow_vq(env, vq); | |
9896 | } | |
9897 | env->vfp.zcr_el[1] = vq - 1; | |
9898 | ret = vq * 16; | |
9899 | } | |
72eb7ea8 | 9900 | return ret; |
85fc7167 RH |
9901 | case TARGET_PR_SVE_GET_VL: |
9902 | ret = -TARGET_EINVAL; | |
cd208a1c | 9903 | { |
2fc0cc0e | 9904 | ARMCPU *cpu = env_archcpu(cpu_env); |
cd208a1c RH |
9905 | if (cpu_isar_feature(aa64_sve, cpu)) { |
9906 | ret = ((cpu->env.vfp.zcr_el[1] & 0xf) + 1) * 16; | |
9907 | } | |
85fc7167 | 9908 | } |
72eb7ea8 | 9909 | return ret; |
bff63fbf RH |
9910 | case TARGET_PR_PAC_RESET_KEYS: |
9911 | { | |
9912 | CPUARMState *env = cpu_env; | |
2fc0cc0e | 9913 | ARMCPU *cpu = env_archcpu(env); |
bff63fbf RH |
9914 | |
9915 | if (arg3 || arg4 || arg5) { | |
9916 | return -TARGET_EINVAL; | |
9917 | } | |
9918 | if (cpu_isar_feature(aa64_pauth, cpu)) { | |
9919 | int all = (TARGET_PR_PAC_APIAKEY | TARGET_PR_PAC_APIBKEY | | |
9920 | TARGET_PR_PAC_APDAKEY | TARGET_PR_PAC_APDBKEY | | |
9921 | TARGET_PR_PAC_APGAKEY); | |
51977e25 RH |
9922 | int ret = 0; |
9923 | Error *err = NULL; | |
9924 | ||
bff63fbf RH |
9925 | if (arg2 == 0) { |
9926 | arg2 = all; | |
9927 | } else if (arg2 & ~all) { | |
9928 | return -TARGET_EINVAL; | |
9929 | } | |
9930 | if (arg2 & TARGET_PR_PAC_APIAKEY) { | |
108b3ba8 | 9931 | ret |= qemu_guest_getrandom(&env->keys.apia, |
51977e25 | 9932 | sizeof(ARMPACKey), &err); |
bff63fbf RH |
9933 | } |
9934 | if (arg2 & TARGET_PR_PAC_APIBKEY) { | |
108b3ba8 | 9935 | ret |= qemu_guest_getrandom(&env->keys.apib, |
51977e25 | 9936 | sizeof(ARMPACKey), &err); |
bff63fbf RH |
9937 | } |
9938 | if (arg2 & TARGET_PR_PAC_APDAKEY) { | |
108b3ba8 | 9939 | ret |= qemu_guest_getrandom(&env->keys.apda, |
51977e25 | 9940 | sizeof(ARMPACKey), &err); |
bff63fbf RH |
9941 | } |
9942 | if (arg2 & TARGET_PR_PAC_APDBKEY) { | |
108b3ba8 | 9943 | ret |= qemu_guest_getrandom(&env->keys.apdb, |
51977e25 | 9944 | sizeof(ARMPACKey), &err); |
bff63fbf RH |
9945 | } |
9946 | if (arg2 & TARGET_PR_PAC_APGAKEY) { | |
108b3ba8 | 9947 | ret |= qemu_guest_getrandom(&env->keys.apga, |
51977e25 RH |
9948 | sizeof(ARMPACKey), &err); |
9949 | } | |
9950 | if (ret != 0) { | |
9951 | /* | |
9952 | * Some unknown failure in the crypto. The best | |
9953 | * we can do is log it and fail the syscall. | |
9954 | * The real syscall cannot fail this way. | |
9955 | */ | |
9956 | qemu_log_mask(LOG_UNIMP, | |
9957 | "PR_PAC_RESET_KEYS: Crypto failure: %s", | |
9958 | error_get_pretty(err)); | |
9959 | error_free(err); | |
9960 | return -TARGET_EIO; | |
bff63fbf RH |
9961 | } |
9962 | return 0; | |
9963 | } | |
9964 | } | |
9965 | return -TARGET_EINVAL; | |
85fc7167 | 9966 | #endif /* AARCH64 */ |
a8b154a6 JC |
9967 | case PR_GET_SECCOMP: |
9968 | case PR_SET_SECCOMP: | |
9969 | /* Disable seccomp to prevent the target disabling syscalls we | |
9970 | * need. */ | |
72eb7ea8 | 9971 | return -TARGET_EINVAL; |
1e6722f8 PM |
9972 | default: |
9973 | /* Most prctl options have no pointer arguments */ | |
72eb7ea8 | 9974 | return get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); |
1e6722f8 | 9975 | } |
39b9aae1 | 9976 | break; |
d2fd1af7 FB |
9977 | #ifdef TARGET_NR_arch_prctl |
9978 | case TARGET_NR_arch_prctl: | |
9979 | #if defined(TARGET_I386) && !defined(TARGET_ABI32) | |
72eb7ea8 | 9980 | return do_arch_prctl(cpu_env, arg1, arg2); |
d2fd1af7 | 9981 | #else |
1a7b2b13 | 9982 | #error unreachable |
d2fd1af7 FB |
9983 | #endif |
9984 | #endif | |
f2c7ba15 AJ |
9985 | #ifdef TARGET_NR_pread64 |
9986 | case TARGET_NR_pread64: | |
8bf8e9df | 9987 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
9988 | arg4 = arg5; |
9989 | arg5 = arg6; | |
9990 | } | |
2bd3f899 PM |
9991 | if (arg2 == 0 && arg3 == 0) { |
9992 | /* Special-case NULL buffer and zero length, which should succeed */ | |
9993 | p = 0; | |
9994 | } else { | |
9995 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
9996 | if (!p) { | |
9997 | return -TARGET_EFAULT; | |
9998 | } | |
9999 | } | |
f2c7ba15 AJ |
10000 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); |
10001 | unlock_user(p, arg2, ret); | |
72eb7ea8 | 10002 | return ret; |
f2c7ba15 | 10003 | case TARGET_NR_pwrite64: |
8bf8e9df | 10004 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
10005 | arg4 = arg5; |
10006 | arg5 = arg6; | |
10007 | } | |
2bd3f899 PM |
10008 | if (arg2 == 0 && arg3 == 0) { |
10009 | /* Special-case NULL buffer and zero length, which should succeed */ | |
10010 | p = 0; | |
10011 | } else { | |
10012 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
10013 | if (!p) { | |
10014 | return -TARGET_EFAULT; | |
10015 | } | |
10016 | } | |
f2c7ba15 AJ |
10017 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); |
10018 | unlock_user(p, arg2, 0); | |
72eb7ea8 | 10019 | return ret; |
67867308 | 10020 | #endif |
31e31b8a | 10021 | case TARGET_NR_getcwd: |
579a97f7 | 10022 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
2852aafd | 10023 | return -TARGET_EFAULT; |
53a5960a PB |
10024 | ret = get_errno(sys_getcwd1(p, arg2)); |
10025 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 10026 | return ret; |
31e31b8a FB |
10027 | case TARGET_NR_capget: |
10028 | case TARGET_NR_capset: | |
e0eb210e PM |
10029 | { |
10030 | struct target_user_cap_header *target_header; | |
10031 | struct target_user_cap_data *target_data = NULL; | |
10032 | struct __user_cap_header_struct header; | |
10033 | struct __user_cap_data_struct data[2]; | |
10034 | struct __user_cap_data_struct *dataptr = NULL; | |
10035 | int i, target_datalen; | |
10036 | int data_items = 1; | |
10037 | ||
10038 | if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { | |
2852aafd | 10039 | return -TARGET_EFAULT; |
e0eb210e PM |
10040 | } |
10041 | header.version = tswap32(target_header->version); | |
10042 | header.pid = tswap32(target_header->pid); | |
10043 | ||
ec864874 | 10044 | if (header.version != _LINUX_CAPABILITY_VERSION) { |
e0eb210e PM |
10045 | /* Version 2 and up takes pointer to two user_data structs */ |
10046 | data_items = 2; | |
10047 | } | |
10048 | ||
10049 | target_datalen = sizeof(*target_data) * data_items; | |
10050 | ||
10051 | if (arg2) { | |
10052 | if (num == TARGET_NR_capget) { | |
10053 | target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0); | |
10054 | } else { | |
10055 | target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1); | |
10056 | } | |
10057 | if (!target_data) { | |
10058 | unlock_user_struct(target_header, arg1, 0); | |
2852aafd | 10059 | return -TARGET_EFAULT; |
e0eb210e PM |
10060 | } |
10061 | ||
10062 | if (num == TARGET_NR_capset) { | |
10063 | for (i = 0; i < data_items; i++) { | |
10064 | data[i].effective = tswap32(target_data[i].effective); | |
10065 | data[i].permitted = tswap32(target_data[i].permitted); | |
10066 | data[i].inheritable = tswap32(target_data[i].inheritable); | |
10067 | } | |
10068 | } | |
10069 | ||
10070 | dataptr = data; | |
10071 | } | |
10072 | ||
10073 | if (num == TARGET_NR_capget) { | |
10074 | ret = get_errno(capget(&header, dataptr)); | |
10075 | } else { | |
10076 | ret = get_errno(capset(&header, dataptr)); | |
10077 | } | |
10078 | ||
10079 | /* The kernel always updates version for both capget and capset */ | |
10080 | target_header->version = tswap32(header.version); | |
10081 | unlock_user_struct(target_header, arg1, 1); | |
10082 | ||
10083 | if (arg2) { | |
10084 | if (num == TARGET_NR_capget) { | |
10085 | for (i = 0; i < data_items; i++) { | |
10086 | target_data[i].effective = tswap32(data[i].effective); | |
10087 | target_data[i].permitted = tswap32(data[i].permitted); | |
10088 | target_data[i].inheritable = tswap32(data[i].inheritable); | |
10089 | } | |
10090 | unlock_user(target_data, arg2, target_datalen); | |
10091 | } else { | |
10092 | unlock_user(target_data, arg2, 0); | |
10093 | } | |
10094 | } | |
72eb7ea8 | 10095 | return ret; |
e0eb210e | 10096 | } |
31e31b8a | 10097 | case TARGET_NR_sigaltstack: |
72eb7ea8 RH |
10098 | return do_sigaltstack(arg1, arg2, |
10099 | get_sp_from_cpustate((CPUArchState *)cpu_env)); | |
a8fd1aba PM |
10100 | |
10101 | #ifdef CONFIG_SENDFILE | |
4f7f8924 | 10102 | #ifdef TARGET_NR_sendfile |
a8fd1aba PM |
10103 | case TARGET_NR_sendfile: |
10104 | { | |
10105 | off_t *offp = NULL; | |
10106 | off_t off; | |
10107 | if (arg3) { | |
10108 | ret = get_user_sal(off, arg3); | |
10109 | if (is_error(ret)) { | |
72eb7ea8 | 10110 | return ret; |
a8fd1aba PM |
10111 | } |
10112 | offp = &off; | |
10113 | } | |
10114 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
10115 | if (!is_error(ret) && arg3) { | |
10116 | abi_long ret2 = put_user_sal(off, arg3); | |
10117 | if (is_error(ret2)) { | |
10118 | ret = ret2; | |
10119 | } | |
10120 | } | |
72eb7ea8 | 10121 | return ret; |
a8fd1aba | 10122 | } |
4f7f8924 | 10123 | #endif |
a8fd1aba PM |
10124 | #ifdef TARGET_NR_sendfile64 |
10125 | case TARGET_NR_sendfile64: | |
10126 | { | |
10127 | off_t *offp = NULL; | |
10128 | off_t off; | |
10129 | if (arg3) { | |
10130 | ret = get_user_s64(off, arg3); | |
10131 | if (is_error(ret)) { | |
72eb7ea8 | 10132 | return ret; |
a8fd1aba PM |
10133 | } |
10134 | offp = &off; | |
10135 | } | |
10136 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
10137 | if (!is_error(ret) && arg3) { | |
10138 | abi_long ret2 = put_user_s64(off, arg3); | |
10139 | if (is_error(ret2)) { | |
10140 | ret = ret2; | |
10141 | } | |
10142 | } | |
72eb7ea8 | 10143 | return ret; |
a8fd1aba PM |
10144 | } |
10145 | #endif | |
ebc05488 | 10146 | #endif |
048f6b4d | 10147 | #ifdef TARGET_NR_vfork |
31e31b8a | 10148 | case TARGET_NR_vfork: |
72eb7ea8 RH |
10149 | return get_errno(do_fork(cpu_env, |
10150 | CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD, | |
10151 | 0, 0, 0, 0)); | |
048f6b4d | 10152 | #endif |
ebc05488 | 10153 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 10154 | case TARGET_NR_ugetrlimit: |
728584be FB |
10155 | { |
10156 | struct rlimit rlim; | |
e22b7015 WT |
10157 | int resource = target_to_host_resource(arg1); |
10158 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 10159 | if (!is_error(ret)) { |
53a5960a | 10160 | struct target_rlimit *target_rlim; |
579a97f7 | 10161 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 10162 | return -TARGET_EFAULT; |
81bbe906 TY |
10163 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
10164 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 10165 | unlock_user_struct(target_rlim, arg2, 1); |
728584be | 10166 | } |
72eb7ea8 | 10167 | return ret; |
728584be | 10168 | } |
ebc05488 | 10169 | #endif |
a315a145 | 10170 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 10171 | case TARGET_NR_truncate64: |
579a97f7 | 10172 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10173 | return -TARGET_EFAULT; |
53a5960a PB |
10174 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
10175 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10176 | return ret; |
a315a145 FB |
10177 | #endif |
10178 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 10179 | case TARGET_NR_ftruncate64: |
72eb7ea8 | 10180 | return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
a315a145 FB |
10181 | #endif |
10182 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 10183 | case TARGET_NR_stat64: |
2852aafd RH |
10184 | if (!(p = lock_user_string(arg1))) { |
10185 | return -TARGET_EFAULT; | |
10186 | } | |
53a5960a PB |
10187 | ret = get_errno(stat(path(p), &st)); |
10188 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
10189 | if (!is_error(ret)) |
10190 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 10191 | return ret; |
a315a145 FB |
10192 | #endif |
10193 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 10194 | case TARGET_NR_lstat64: |
2852aafd RH |
10195 | if (!(p = lock_user_string(arg1))) { |
10196 | return -TARGET_EFAULT; | |
10197 | } | |
53a5960a PB |
10198 | ret = get_errno(lstat(path(p), &st)); |
10199 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
10200 | if (!is_error(ret)) |
10201 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 10202 | return ret; |
a315a145 FB |
10203 | #endif |
10204 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 10205 | case TARGET_NR_fstat64: |
6a24a778 AZ |
10206 | ret = get_errno(fstat(arg1, &st)); |
10207 | if (!is_error(ret)) | |
10208 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 10209 | return ret; |
ce4defa0 | 10210 | #endif |
c0d472b1 | 10211 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) |
9d33b76b | 10212 | #ifdef TARGET_NR_fstatat64 |
6a24a778 | 10213 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
10214 | #endif |
10215 | #ifdef TARGET_NR_newfstatat | |
10216 | case TARGET_NR_newfstatat: | |
10217 | #endif | |
2852aafd RH |
10218 | if (!(p = lock_user_string(arg2))) { |
10219 | return -TARGET_EFAULT; | |
10220 | } | |
c0d472b1 | 10221 | ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
2852aafd | 10222 | unlock_user(p, arg2, 0); |
6a24a778 AZ |
10223 | if (!is_error(ret)) |
10224 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
72eb7ea8 | 10225 | return ret; |
a315a145 | 10226 | #endif |
efa92184 AR |
10227 | #if defined(TARGET_NR_statx) |
10228 | case TARGET_NR_statx: | |
10229 | { | |
10230 | struct target_statx *target_stx; | |
10231 | int dirfd = arg1; | |
10232 | int flags = arg3; | |
10233 | ||
10234 | p = lock_user_string(arg2); | |
10235 | if (p == NULL) { | |
10236 | return -TARGET_EFAULT; | |
10237 | } | |
10238 | #if defined(__NR_statx) | |
10239 | { | |
10240 | /* | |
10241 | * It is assumed that struct statx is architecture independent. | |
10242 | */ | |
10243 | struct target_statx host_stx; | |
10244 | int mask = arg4; | |
10245 | ||
10246 | ret = get_errno(sys_statx(dirfd, p, flags, mask, &host_stx)); | |
10247 | if (!is_error(ret)) { | |
10248 | if (host_to_target_statx(&host_stx, arg5) != 0) { | |
10249 | unlock_user(p, arg2, 0); | |
10250 | return -TARGET_EFAULT; | |
10251 | } | |
10252 | } | |
10253 | ||
10254 | if (ret != -TARGET_ENOSYS) { | |
10255 | unlock_user(p, arg2, 0); | |
10256 | return ret; | |
10257 | } | |
10258 | } | |
10259 | #endif | |
10260 | ret = get_errno(fstatat(dirfd, path(p), &st, flags)); | |
10261 | unlock_user(p, arg2, 0); | |
10262 | ||
10263 | if (!is_error(ret)) { | |
10264 | if (!lock_user_struct(VERIFY_WRITE, target_stx, arg5, 0)) { | |
10265 | return -TARGET_EFAULT; | |
10266 | } | |
10267 | memset(target_stx, 0, sizeof(*target_stx)); | |
10268 | __put_user(major(st.st_dev), &target_stx->stx_dev_major); | |
10269 | __put_user(minor(st.st_dev), &target_stx->stx_dev_minor); | |
10270 | __put_user(st.st_ino, &target_stx->stx_ino); | |
10271 | __put_user(st.st_mode, &target_stx->stx_mode); | |
10272 | __put_user(st.st_uid, &target_stx->stx_uid); | |
10273 | __put_user(st.st_gid, &target_stx->stx_gid); | |
10274 | __put_user(st.st_nlink, &target_stx->stx_nlink); | |
10275 | __put_user(major(st.st_rdev), &target_stx->stx_rdev_major); | |
10276 | __put_user(minor(st.st_rdev), &target_stx->stx_rdev_minor); | |
10277 | __put_user(st.st_size, &target_stx->stx_size); | |
10278 | __put_user(st.st_blksize, &target_stx->stx_blksize); | |
10279 | __put_user(st.st_blocks, &target_stx->stx_blocks); | |
10280 | __put_user(st.st_atime, &target_stx->stx_atime.tv_sec); | |
10281 | __put_user(st.st_mtime, &target_stx->stx_mtime.tv_sec); | |
10282 | __put_user(st.st_ctime, &target_stx->stx_ctime.tv_sec); | |
10283 | unlock_user_struct(target_stx, arg5, 1); | |
10284 | } | |
10285 | } | |
10286 | return ret; | |
10287 | #endif | |
704eff6c | 10288 | #ifdef TARGET_NR_lchown |
67867308 | 10289 | case TARGET_NR_lchown: |
579a97f7 | 10290 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10291 | return -TARGET_EFAULT; |
53a5960a PB |
10292 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
10293 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10294 | return ret; |
704eff6c | 10295 | #endif |
0c866a7e | 10296 | #ifdef TARGET_NR_getuid |
67867308 | 10297 | case TARGET_NR_getuid: |
72eb7ea8 | 10298 | return get_errno(high2lowuid(getuid())); |
0c866a7e RV |
10299 | #endif |
10300 | #ifdef TARGET_NR_getgid | |
67867308 | 10301 | case TARGET_NR_getgid: |
72eb7ea8 | 10302 | return get_errno(high2lowgid(getgid())); |
0c866a7e RV |
10303 | #endif |
10304 | #ifdef TARGET_NR_geteuid | |
67867308 | 10305 | case TARGET_NR_geteuid: |
72eb7ea8 | 10306 | return get_errno(high2lowuid(geteuid())); |
0c866a7e RV |
10307 | #endif |
10308 | #ifdef TARGET_NR_getegid | |
67867308 | 10309 | case TARGET_NR_getegid: |
72eb7ea8 | 10310 | return get_errno(high2lowgid(getegid())); |
0c866a7e | 10311 | #endif |
67867308 | 10312 | case TARGET_NR_setreuid: |
72eb7ea8 | 10313 | return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
67867308 | 10314 | case TARGET_NR_setregid: |
72eb7ea8 | 10315 | return get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
67867308 FB |
10316 | case TARGET_NR_getgroups: |
10317 | { | |
10318 | int gidsetsize = arg1; | |
0c866a7e | 10319 | target_id *target_grouplist; |
67867308 FB |
10320 | gid_t *grouplist; |
10321 | int i; | |
10322 | ||
10323 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
10324 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 | 10325 | if (gidsetsize == 0) |
72eb7ea8 | 10326 | return ret; |
67867308 | 10327 | if (!is_error(ret)) { |
03903ffc | 10328 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); |
579a97f7 | 10329 | if (!target_grouplist) |
2852aafd | 10330 | return -TARGET_EFAULT; |
a2155fcc | 10331 | for(i = 0;i < ret; i++) |
0c866a7e | 10332 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
03903ffc | 10333 | unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); |
67867308 FB |
10334 | } |
10335 | } | |
72eb7ea8 | 10336 | return ret; |
67867308 FB |
10337 | case TARGET_NR_setgroups: |
10338 | { | |
10339 | int gidsetsize = arg1; | |
0c866a7e | 10340 | target_id *target_grouplist; |
f2b79ce9 | 10341 | gid_t *grouplist = NULL; |
67867308 | 10342 | int i; |
f2b79ce9 DA |
10343 | if (gidsetsize) { |
10344 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
03903ffc | 10345 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1); |
f2b79ce9 | 10346 | if (!target_grouplist) { |
259841c1 | 10347 | return -TARGET_EFAULT; |
f2b79ce9 DA |
10348 | } |
10349 | for (i = 0; i < gidsetsize; i++) { | |
10350 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
10351 | } | |
10352 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 10353 | } |
72eb7ea8 | 10354 | return get_errno(setgroups(gidsetsize, grouplist)); |
67867308 | 10355 | } |
67867308 | 10356 | case TARGET_NR_fchown: |
72eb7ea8 | 10357 | return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
c0d472b1 | 10358 | #if defined(TARGET_NR_fchownat) |
ccfa72b7 | 10359 | case TARGET_NR_fchownat: |
579a97f7 | 10360 | if (!(p = lock_user_string(arg2))) |
2852aafd | 10361 | return -TARGET_EFAULT; |
c0d472b1 PM |
10362 | ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
10363 | low2highgid(arg4), arg5)); | |
579a97f7 | 10364 | unlock_user(p, arg2, 0); |
72eb7ea8 | 10365 | return ret; |
ccfa72b7 | 10366 | #endif |
67867308 FB |
10367 | #ifdef TARGET_NR_setresuid |
10368 | case TARGET_NR_setresuid: | |
72eb7ea8 RH |
10369 | return get_errno(sys_setresuid(low2highuid(arg1), |
10370 | low2highuid(arg2), | |
10371 | low2highuid(arg3))); | |
67867308 FB |
10372 | #endif |
10373 | #ifdef TARGET_NR_getresuid | |
10374 | case TARGET_NR_getresuid: | |
10375 | { | |
53a5960a | 10376 | uid_t ruid, euid, suid; |
67867308 FB |
10377 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
10378 | if (!is_error(ret)) { | |
76ca310a PM |
10379 | if (put_user_id(high2lowuid(ruid), arg1) |
10380 | || put_user_id(high2lowuid(euid), arg2) | |
10381 | || put_user_id(high2lowuid(suid), arg3)) | |
2852aafd | 10382 | return -TARGET_EFAULT; |
67867308 FB |
10383 | } |
10384 | } | |
72eb7ea8 | 10385 | return ret; |
67867308 FB |
10386 | #endif |
10387 | #ifdef TARGET_NR_getresgid | |
10388 | case TARGET_NR_setresgid: | |
72eb7ea8 RH |
10389 | return get_errno(sys_setresgid(low2highgid(arg1), |
10390 | low2highgid(arg2), | |
10391 | low2highgid(arg3))); | |
67867308 FB |
10392 | #endif |
10393 | #ifdef TARGET_NR_getresgid | |
10394 | case TARGET_NR_getresgid: | |
10395 | { | |
53a5960a | 10396 | gid_t rgid, egid, sgid; |
67867308 FB |
10397 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
10398 | if (!is_error(ret)) { | |
76ca310a PM |
10399 | if (put_user_id(high2lowgid(rgid), arg1) |
10400 | || put_user_id(high2lowgid(egid), arg2) | |
10401 | || put_user_id(high2lowgid(sgid), arg3)) | |
2852aafd | 10402 | return -TARGET_EFAULT; |
67867308 FB |
10403 | } |
10404 | } | |
72eb7ea8 | 10405 | return ret; |
67867308 | 10406 | #endif |
704eff6c | 10407 | #ifdef TARGET_NR_chown |
67867308 | 10408 | case TARGET_NR_chown: |
579a97f7 | 10409 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10410 | return -TARGET_EFAULT; |
53a5960a PB |
10411 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
10412 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10413 | return ret; |
704eff6c | 10414 | #endif |
67867308 | 10415 | case TARGET_NR_setuid: |
72eb7ea8 | 10416 | return get_errno(sys_setuid(low2highuid(arg1))); |
67867308 | 10417 | case TARGET_NR_setgid: |
72eb7ea8 | 10418 | return get_errno(sys_setgid(low2highgid(arg1))); |
67867308 | 10419 | case TARGET_NR_setfsuid: |
72eb7ea8 | 10420 | return get_errno(setfsuid(arg1)); |
67867308 | 10421 | case TARGET_NR_setfsgid: |
72eb7ea8 | 10422 | return get_errno(setfsgid(arg1)); |
67867308 | 10423 | |
a315a145 | 10424 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 10425 | case TARGET_NR_lchown32: |
579a97f7 | 10426 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10427 | return -TARGET_EFAULT; |
53a5960a PB |
10428 | ret = get_errno(lchown(p, arg2, arg3)); |
10429 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10430 | return ret; |
a315a145 FB |
10431 | #endif |
10432 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 10433 | case TARGET_NR_getuid32: |
72eb7ea8 | 10434 | return get_errno(getuid()); |
a315a145 | 10435 | #endif |
64b4d28c AJ |
10436 | |
10437 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
10438 | /* Alpha specific */ | |
10439 | case TARGET_NR_getxuid: | |
ba0e276d RH |
10440 | { |
10441 | uid_t euid; | |
10442 | euid=geteuid(); | |
10443 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; | |
10444 | } | |
72eb7ea8 | 10445 | return get_errno(getuid()); |
64b4d28c AJ |
10446 | #endif |
10447 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
10448 | /* Alpha specific */ | |
10449 | case TARGET_NR_getxgid: | |
ba0e276d RH |
10450 | { |
10451 | uid_t egid; | |
10452 | egid=getegid(); | |
10453 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; | |
10454 | } | |
72eb7ea8 | 10455 | return get_errno(getgid()); |
64b4d28c | 10456 | #endif |
ba0e276d RH |
10457 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
10458 | /* Alpha specific */ | |
10459 | case TARGET_NR_osf_getsysinfo: | |
10460 | ret = -TARGET_EOPNOTSUPP; | |
10461 | switch (arg1) { | |
10462 | case TARGET_GSI_IEEE_FP_CONTROL: | |
10463 | { | |
21ba8564 RH |
10464 | uint64_t fpcr = cpu_alpha_load_fpcr(cpu_env); |
10465 | uint64_t swcr = ((CPUAlphaState *)cpu_env)->swcr; | |
10466 | ||
10467 | swcr &= ~SWCR_STATUS_MASK; | |
10468 | swcr |= (fpcr >> 35) & SWCR_STATUS_MASK; | |
ba0e276d RH |
10469 | |
10470 | if (put_user_u64 (swcr, arg2)) | |
2852aafd | 10471 | return -TARGET_EFAULT; |
ba0e276d RH |
10472 | ret = 0; |
10473 | } | |
10474 | break; | |
10475 | ||
10476 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
10477 | -- Not implemented in linux kernel. | |
10478 | case GSI_UACPROC: | |
10479 | -- Retrieves current unaligned access state; not much used. | |
10480 | case GSI_PROC_TYPE: | |
10481 | -- Retrieves implver information; surely not used. | |
10482 | case GSI_GET_HWRPB: | |
10483 | -- Grabs a copy of the HWRPB; surely not used. | |
10484 | */ | |
10485 | } | |
72eb7ea8 | 10486 | return ret; |
ba0e276d RH |
10487 | #endif |
10488 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
10489 | /* Alpha specific */ | |
10490 | case TARGET_NR_osf_setsysinfo: | |
10491 | ret = -TARGET_EOPNOTSUPP; | |
10492 | switch (arg1) { | |
10493 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d | 10494 | { |
21ba8564 | 10495 | uint64_t swcr, fpcr; |
ba0e276d | 10496 | |
6e06d515 | 10497 | if (get_user_u64 (swcr, arg2)) { |
2852aafd | 10498 | return -TARGET_EFAULT; |
6e06d515 | 10499 | } |
ba0e276d | 10500 | |
21ba8564 RH |
10501 | /* |
10502 | * The kernel calls swcr_update_status to update the | |
10503 | * status bits from the fpcr at every point that it | |
10504 | * could be queried. Therefore, we store the status | |
10505 | * bits only in FPCR. | |
10506 | */ | |
10507 | ((CPUAlphaState *)cpu_env)->swcr | |
10508 | = swcr & (SWCR_TRAP_ENABLE_MASK | SWCR_MAP_MASK); | |
10509 | ||
10510 | fpcr = cpu_alpha_load_fpcr(cpu_env); | |
10511 | fpcr &= ((uint64_t)FPCR_DYN_MASK << 32); | |
10512 | fpcr |= alpha_ieee_swcr_to_fpcr(swcr); | |
6e06d515 | 10513 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 10514 | ret = 0; |
6e06d515 RH |
10515 | } |
10516 | break; | |
10517 | ||
10518 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
10519 | { | |
21ba8564 | 10520 | uint64_t exc, fpcr, fex; |
6e06d515 RH |
10521 | |
10522 | if (get_user_u64(exc, arg2)) { | |
2852aafd | 10523 | return -TARGET_EFAULT; |
6e06d515 | 10524 | } |
21ba8564 RH |
10525 | exc &= SWCR_STATUS_MASK; |
10526 | fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d | 10527 | |
21ba8564 RH |
10528 | /* Old exceptions are not signaled. */ |
10529 | fex = alpha_ieee_fpcr_to_swcr(fpcr); | |
10530 | fex = exc & ~fex; | |
10531 | fex >>= SWCR_STATUS_TO_EXCSUM_SHIFT; | |
10532 | fex &= ((CPUArchState *)cpu_env)->swcr; | |
6e06d515 | 10533 | |
21ba8564 RH |
10534 | /* Update the hardware fpcr. */ |
10535 | fpcr |= alpha_ieee_swcr_to_fpcr(exc); | |
6e06d515 | 10536 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
6e06d515 | 10537 | |
21ba8564 RH |
10538 | if (fex) { |
10539 | int si_code = TARGET_FPE_FLTUNK; | |
6e06d515 | 10540 | target_siginfo_t info; |
21ba8564 RH |
10541 | |
10542 | if (fex & SWCR_TRAP_ENABLE_DNO) { | |
10543 | si_code = TARGET_FPE_FLTUND; | |
10544 | } | |
10545 | if (fex & SWCR_TRAP_ENABLE_INE) { | |
10546 | si_code = TARGET_FPE_FLTRES; | |
10547 | } | |
10548 | if (fex & SWCR_TRAP_ENABLE_UNF) { | |
10549 | si_code = TARGET_FPE_FLTUND; | |
10550 | } | |
10551 | if (fex & SWCR_TRAP_ENABLE_OVF) { | |
10552 | si_code = TARGET_FPE_FLTOVF; | |
10553 | } | |
10554 | if (fex & SWCR_TRAP_ENABLE_DZE) { | |
10555 | si_code = TARGET_FPE_FLTDIV; | |
10556 | } | |
10557 | if (fex & SWCR_TRAP_ENABLE_INV) { | |
10558 | si_code = TARGET_FPE_FLTINV; | |
10559 | } | |
10560 | ||
6e06d515 RH |
10561 | info.si_signo = SIGFPE; |
10562 | info.si_errno = 0; | |
10563 | info.si_code = si_code; | |
10564 | info._sifields._sigfault._addr | |
10565 | = ((CPUArchState *)cpu_env)->pc; | |
9d2803f7 PM |
10566 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
10567 | QEMU_SI_FAULT, &info); | |
ba0e276d | 10568 | } |
21ba8564 | 10569 | ret = 0; |
ba0e276d RH |
10570 | } |
10571 | break; | |
10572 | ||
10573 | /* case SSI_NVPAIRS: | |
10574 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
10575 | case SSI_IEEE_STATE_AT_SIGNAL: | |
10576 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
10577 | -- Not implemented in linux kernel | |
10578 | */ | |
10579 | } | |
72eb7ea8 | 10580 | return ret; |
ba0e276d RH |
10581 | #endif |
10582 | #ifdef TARGET_NR_osf_sigprocmask | |
10583 | /* Alpha specific. */ | |
10584 | case TARGET_NR_osf_sigprocmask: | |
10585 | { | |
10586 | abi_ulong mask; | |
bc088ba1 | 10587 | int how; |
ba0e276d RH |
10588 | sigset_t set, oldset; |
10589 | ||
10590 | switch(arg1) { | |
10591 | case TARGET_SIG_BLOCK: | |
10592 | how = SIG_BLOCK; | |
10593 | break; | |
10594 | case TARGET_SIG_UNBLOCK: | |
10595 | how = SIG_UNBLOCK; | |
10596 | break; | |
10597 | case TARGET_SIG_SETMASK: | |
10598 | how = SIG_SETMASK; | |
10599 | break; | |
10600 | default: | |
259841c1 | 10601 | return -TARGET_EINVAL; |
ba0e276d RH |
10602 | } |
10603 | mask = arg2; | |
10604 | target_to_host_old_sigset(&set, &mask); | |
3d3efba0 PM |
10605 | ret = do_sigprocmask(how, &set, &oldset); |
10606 | if (!ret) { | |
10607 | host_to_target_old_sigset(&mask, &oldset); | |
10608 | ret = mask; | |
10609 | } | |
ba0e276d | 10610 | } |
72eb7ea8 | 10611 | return ret; |
ba0e276d | 10612 | #endif |
64b4d28c | 10613 | |
a315a145 | 10614 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 10615 | case TARGET_NR_getgid32: |
72eb7ea8 | 10616 | return get_errno(getgid()); |
a315a145 FB |
10617 | #endif |
10618 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 10619 | case TARGET_NR_geteuid32: |
72eb7ea8 | 10620 | return get_errno(geteuid()); |
a315a145 FB |
10621 | #endif |
10622 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 10623 | case TARGET_NR_getegid32: |
72eb7ea8 | 10624 | return get_errno(getegid()); |
a315a145 FB |
10625 | #endif |
10626 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 10627 | case TARGET_NR_setreuid32: |
72eb7ea8 | 10628 | return get_errno(setreuid(arg1, arg2)); |
a315a145 FB |
10629 | #endif |
10630 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 10631 | case TARGET_NR_setregid32: |
72eb7ea8 | 10632 | return get_errno(setregid(arg1, arg2)); |
a315a145 FB |
10633 | #endif |
10634 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 10635 | case TARGET_NR_getgroups32: |
99c475ab FB |
10636 | { |
10637 | int gidsetsize = arg1; | |
53a5960a | 10638 | uint32_t *target_grouplist; |
99c475ab FB |
10639 | gid_t *grouplist; |
10640 | int i; | |
10641 | ||
10642 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
10643 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 | 10644 | if (gidsetsize == 0) |
72eb7ea8 | 10645 | return ret; |
99c475ab | 10646 | if (!is_error(ret)) { |
579a97f7 FB |
10647 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
10648 | if (!target_grouplist) { | |
259841c1 | 10649 | return -TARGET_EFAULT; |
579a97f7 | 10650 | } |
a2155fcc | 10651 | for(i = 0;i < ret; i++) |
53a5960a PB |
10652 | target_grouplist[i] = tswap32(grouplist[i]); |
10653 | unlock_user(target_grouplist, arg2, gidsetsize * 4); | |
99c475ab FB |
10654 | } |
10655 | } | |
72eb7ea8 | 10656 | return ret; |
a315a145 FB |
10657 | #endif |
10658 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 10659 | case TARGET_NR_setgroups32: |
99c475ab FB |
10660 | { |
10661 | int gidsetsize = arg1; | |
53a5960a | 10662 | uint32_t *target_grouplist; |
99c475ab FB |
10663 | gid_t *grouplist; |
10664 | int i; | |
3b46e624 | 10665 | |
99c475ab | 10666 | grouplist = alloca(gidsetsize * sizeof(gid_t)); |
579a97f7 FB |
10667 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
10668 | if (!target_grouplist) { | |
259841c1 | 10669 | return -TARGET_EFAULT; |
579a97f7 | 10670 | } |
99c475ab | 10671 | for(i = 0;i < gidsetsize; i++) |
53a5960a PB |
10672 | grouplist[i] = tswap32(target_grouplist[i]); |
10673 | unlock_user(target_grouplist, arg2, 0); | |
72eb7ea8 | 10674 | return get_errno(setgroups(gidsetsize, grouplist)); |
99c475ab | 10675 | } |
a315a145 FB |
10676 | #endif |
10677 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 10678 | case TARGET_NR_fchown32: |
72eb7ea8 | 10679 | return get_errno(fchown(arg1, arg2, arg3)); |
a315a145 FB |
10680 | #endif |
10681 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 10682 | case TARGET_NR_setresuid32: |
72eb7ea8 | 10683 | return get_errno(sys_setresuid(arg1, arg2, arg3)); |
a315a145 FB |
10684 | #endif |
10685 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 10686 | case TARGET_NR_getresuid32: |
b03c60f3 | 10687 | { |
53a5960a | 10688 | uid_t ruid, euid, suid; |
b03c60f3 FB |
10689 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
10690 | if (!is_error(ret)) { | |
2f619698 FB |
10691 | if (put_user_u32(ruid, arg1) |
10692 | || put_user_u32(euid, arg2) | |
10693 | || put_user_u32(suid, arg3)) | |
2852aafd | 10694 | return -TARGET_EFAULT; |
b03c60f3 FB |
10695 | } |
10696 | } | |
72eb7ea8 | 10697 | return ret; |
a315a145 FB |
10698 | #endif |
10699 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 10700 | case TARGET_NR_setresgid32: |
72eb7ea8 | 10701 | return get_errno(sys_setresgid(arg1, arg2, arg3)); |
a315a145 FB |
10702 | #endif |
10703 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 10704 | case TARGET_NR_getresgid32: |
b03c60f3 | 10705 | { |
53a5960a | 10706 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
10707 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
10708 | if (!is_error(ret)) { | |
2f619698 FB |
10709 | if (put_user_u32(rgid, arg1) |
10710 | || put_user_u32(egid, arg2) | |
10711 | || put_user_u32(sgid, arg3)) | |
2852aafd | 10712 | return -TARGET_EFAULT; |
b03c60f3 FB |
10713 | } |
10714 | } | |
72eb7ea8 | 10715 | return ret; |
a315a145 FB |
10716 | #endif |
10717 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 10718 | case TARGET_NR_chown32: |
579a97f7 | 10719 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10720 | return -TARGET_EFAULT; |
53a5960a PB |
10721 | ret = get_errno(chown(p, arg2, arg3)); |
10722 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10723 | return ret; |
a315a145 FB |
10724 | #endif |
10725 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 10726 | case TARGET_NR_setuid32: |
72eb7ea8 | 10727 | return get_errno(sys_setuid(arg1)); |
a315a145 FB |
10728 | #endif |
10729 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 10730 | case TARGET_NR_setgid32: |
72eb7ea8 | 10731 | return get_errno(sys_setgid(arg1)); |
a315a145 FB |
10732 | #endif |
10733 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 10734 | case TARGET_NR_setfsuid32: |
72eb7ea8 | 10735 | return get_errno(setfsuid(arg1)); |
a315a145 FB |
10736 | #endif |
10737 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 10738 | case TARGET_NR_setfsgid32: |
72eb7ea8 | 10739 | return get_errno(setfsgid(arg1)); |
a315a145 | 10740 | #endif |
ffa65c3b | 10741 | #ifdef TARGET_NR_mincore |
31e31b8a | 10742 | case TARGET_NR_mincore: |
04bb9ace | 10743 | { |
259841c1 | 10744 | void *a = lock_user(VERIFY_READ, arg1, arg2, 0); |
98a3331a | 10745 | if (!a) { |
259841c1 | 10746 | return -TARGET_ENOMEM; |
98a3331a | 10747 | } |
98a3331a FSM |
10748 | p = lock_user_string(arg3); |
10749 | if (!p) { | |
259841c1 RH |
10750 | ret = -TARGET_EFAULT; |
10751 | } else { | |
10752 | ret = get_errno(mincore(a, arg2, p)); | |
10753 | unlock_user(p, arg3, ret); | |
98a3331a | 10754 | } |
04bb9ace AJ |
10755 | unlock_user(a, arg1, 0); |
10756 | } | |
72eb7ea8 | 10757 | return ret; |
ffa65c3b | 10758 | #endif |
408321b6 AJ |
10759 | #ifdef TARGET_NR_arm_fadvise64_64 |
10760 | case TARGET_NR_arm_fadvise64_64: | |
e0156a9d PM |
10761 | /* arm_fadvise64_64 looks like fadvise64_64 but |
10762 | * with different argument order: fd, advice, offset, len | |
10763 | * rather than the usual fd, offset, len, advice. | |
10764 | * Note that offset and len are both 64-bit so appear as | |
10765 | * pairs of 32-bit registers. | |
10766 | */ | |
10767 | ret = posix_fadvise(arg1, target_offset64(arg3, arg4), | |
10768 | target_offset64(arg5, arg6), arg2); | |
72eb7ea8 | 10769 | return -host_to_target_errno(ret); |
408321b6 | 10770 | #endif |
badd3cd8 PM |
10771 | |
10772 | #if TARGET_ABI_BITS == 32 | |
10773 | ||
10774 | #ifdef TARGET_NR_fadvise64_64 | |
10775 | case TARGET_NR_fadvise64_64: | |
64a563dd | 10776 | #if defined(TARGET_PPC) || defined(TARGET_XTENSA) |
43046b5a LV |
10777 | /* 6 args: fd, advice, offset (high, low), len (high, low) */ |
10778 | ret = arg2; | |
10779 | arg2 = arg3; | |
10780 | arg3 = arg4; | |
10781 | arg4 = arg5; | |
10782 | arg5 = arg6; | |
10783 | arg6 = ret; | |
10784 | #else | |
badd3cd8 | 10785 | /* 6 args: fd, offset (high, low), len (high, low), advice */ |
8bf8e9df | 10786 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
10787 | /* offset is in (3,4), len in (5,6) and advice in 7 */ |
10788 | arg2 = arg3; | |
10789 | arg3 = arg4; | |
10790 | arg4 = arg5; | |
10791 | arg5 = arg6; | |
10792 | arg6 = arg7; | |
10793 | } | |
43046b5a | 10794 | #endif |
72eb7ea8 RH |
10795 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), |
10796 | target_offset64(arg4, arg5), arg6); | |
10797 | return -host_to_target_errno(ret); | |
badd3cd8 PM |
10798 | #endif |
10799 | ||
10800 | #ifdef TARGET_NR_fadvise64 | |
10801 | case TARGET_NR_fadvise64: | |
10802 | /* 5 args: fd, offset (high, low), len, advice */ | |
8bf8e9df | 10803 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
10804 | /* offset is in (3,4), len in 5 and advice in 6 */ |
10805 | arg2 = arg3; | |
10806 | arg3 = arg4; | |
10807 | arg4 = arg5; | |
10808 | arg5 = arg6; | |
10809 | } | |
72eb7ea8 RH |
10810 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5); |
10811 | return -host_to_target_errno(ret); | |
408321b6 | 10812 | #endif |
badd3cd8 PM |
10813 | |
10814 | #else /* not a 32-bit ABI */ | |
e0156a9d | 10815 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
10816 | #ifdef TARGET_NR_fadvise64_64 |
10817 | case TARGET_NR_fadvise64_64: | |
10818 | #endif | |
e72d2cc7 UH |
10819 | #ifdef TARGET_NR_fadvise64 |
10820 | case TARGET_NR_fadvise64: | |
10821 | #endif | |
10822 | #ifdef TARGET_S390X | |
10823 | switch (arg4) { | |
10824 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
10825 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
10826 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
10827 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
10828 | default: break; | |
10829 | } | |
10830 | #endif | |
72eb7ea8 | 10831 | return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); |
408321b6 | 10832 | #endif |
badd3cd8 PM |
10833 | #endif /* end of 64-bit ABI fadvise handling */ |
10834 | ||
ffa65c3b | 10835 | #ifdef TARGET_NR_madvise |
31e31b8a | 10836 | case TARGET_NR_madvise: |
24836689 | 10837 | /* A straight passthrough may not be safe because qemu sometimes |
d2d6b857 | 10838 | turns private file-backed mappings into anonymous mappings. |
24836689 PB |
10839 | This will break MADV_DONTNEED. |
10840 | This is a hint, so ignoring and returning success is ok. */ | |
72eb7ea8 | 10841 | return 0; |
ffa65c3b | 10842 | #endif |
992f48a0 | 10843 | #if TARGET_ABI_BITS == 32 |
31e31b8a | 10844 | case TARGET_NR_fcntl64: |
77e4672d | 10845 | { |
b1e341eb | 10846 | int cmd; |
77e4672d | 10847 | struct flock64 fl; |
213d3e9e PM |
10848 | from_flock64_fn *copyfrom = copy_from_user_flock64; |
10849 | to_flock64_fn *copyto = copy_to_user_flock64; | |
10850 | ||
ce4defa0 | 10851 | #ifdef TARGET_ARM |
7f254c5c LV |
10852 | if (!((CPUARMState *)cpu_env)->eabi) { |
10853 | copyfrom = copy_from_user_oabi_flock64; | |
10854 | copyto = copy_to_user_oabi_flock64; | |
213d3e9e | 10855 | } |
ce4defa0 | 10856 | #endif |
77e4672d | 10857 | |
5f106811 | 10858 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 | 10859 | if (cmd == -TARGET_EINVAL) { |
72eb7ea8 | 10860 | return cmd; |
31b63193 | 10861 | } |
b1e341eb | 10862 | |
60cd49d5 | 10863 | switch(arg2) { |
b1e341eb | 10864 | case TARGET_F_GETLK64: |
213d3e9e PM |
10865 | ret = copyfrom(&fl, arg3); |
10866 | if (ret) { | |
10867 | break; | |
5813427b | 10868 | } |
af8ab2bf | 10869 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
213d3e9e PM |
10870 | if (ret == 0) { |
10871 | ret = copyto(arg3, &fl); | |
10872 | } | |
77e4672d FB |
10873 | break; |
10874 | ||
b1e341eb TS |
10875 | case TARGET_F_SETLK64: |
10876 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
10877 | ret = copyfrom(&fl, arg3); |
10878 | if (ret) { | |
10879 | break; | |
ce4defa0 | 10880 | } |
435da5e7 | 10881 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
77e4672d | 10882 | break; |
60cd49d5 | 10883 | default: |
5f106811 | 10884 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
10885 | break; |
10886 | } | |
72eb7ea8 | 10887 | return ret; |
77e4672d | 10888 | } |
60cd49d5 | 10889 | #endif |
7d600c80 TS |
10890 | #ifdef TARGET_NR_cacheflush |
10891 | case TARGET_NR_cacheflush: | |
10892 | /* self-modifying code is handled automatically, so nothing needed */ | |
72eb7ea8 | 10893 | return 0; |
7d600c80 | 10894 | #endif |
c573ff67 FB |
10895 | #ifdef TARGET_NR_getpagesize |
10896 | case TARGET_NR_getpagesize: | |
72eb7ea8 | 10897 | return TARGET_PAGE_SIZE; |
ebc05488 | 10898 | #endif |
31e31b8a | 10899 | case TARGET_NR_gettid: |
71ba74f6 | 10900 | return get_errno(sys_gettid()); |
e5febef5 | 10901 | #ifdef TARGET_NR_readahead |
31e31b8a | 10902 | case TARGET_NR_readahead: |
2054ac9b | 10903 | #if TARGET_ABI_BITS == 32 |
8bf8e9df | 10904 | if (regpairs_aligned(cpu_env, num)) { |
2054ac9b AJ |
10905 | arg2 = arg3; |
10906 | arg3 = arg4; | |
10907 | arg4 = arg5; | |
10908 | } | |
77c6850f | 10909 | ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4)); |
2054ac9b AJ |
10910 | #else |
10911 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
10912 | #endif | |
72eb7ea8 | 10913 | return ret; |
e5febef5 | 10914 | #endif |
a790ae38 | 10915 | #ifdef CONFIG_ATTR |
ebc05488 | 10916 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
10917 | case TARGET_NR_listxattr: |
10918 | case TARGET_NR_llistxattr: | |
fb5590f7 PM |
10919 | { |
10920 | void *p, *b = 0; | |
10921 | if (arg2) { | |
10922 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
10923 | if (!b) { | |
72eb7ea8 | 10924 | return -TARGET_EFAULT; |
fb5590f7 PM |
10925 | } |
10926 | } | |
10927 | p = lock_user_string(arg1); | |
10928 | if (p) { | |
10929 | if (num == TARGET_NR_listxattr) { | |
10930 | ret = get_errno(listxattr(p, b, arg3)); | |
10931 | } else { | |
10932 | ret = get_errno(llistxattr(p, b, arg3)); | |
10933 | } | |
10934 | } else { | |
10935 | ret = -TARGET_EFAULT; | |
10936 | } | |
10937 | unlock_user(p, arg1, 0); | |
10938 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 10939 | return ret; |
fb5590f7 | 10940 | } |
31e31b8a | 10941 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
10942 | { |
10943 | void *b = 0; | |
10944 | if (arg2) { | |
10945 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
10946 | if (!b) { | |
72eb7ea8 | 10947 | return -TARGET_EFAULT; |
fb5590f7 PM |
10948 | } |
10949 | } | |
10950 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
10951 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 10952 | return ret; |
fb5590f7 | 10953 | } |
a790ae38 | 10954 | case TARGET_NR_setxattr: |
30297b55 | 10955 | case TARGET_NR_lsetxattr: |
a790ae38 | 10956 | { |
e3c33ec6 PM |
10957 | void *p, *n, *v = 0; |
10958 | if (arg3) { | |
10959 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
10960 | if (!v) { | |
72eb7ea8 | 10961 | return -TARGET_EFAULT; |
e3c33ec6 PM |
10962 | } |
10963 | } | |
a790ae38 ACH |
10964 | p = lock_user_string(arg1); |
10965 | n = lock_user_string(arg2); | |
e3c33ec6 | 10966 | if (p && n) { |
30297b55 PM |
10967 | if (num == TARGET_NR_setxattr) { |
10968 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
10969 | } else { | |
10970 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
10971 | } | |
a790ae38 ACH |
10972 | } else { |
10973 | ret = -TARGET_EFAULT; | |
10974 | } | |
10975 | unlock_user(p, arg1, 0); | |
10976 | unlock_user(n, arg2, 0); | |
10977 | unlock_user(v, arg3, 0); | |
10978 | } | |
72eb7ea8 | 10979 | return ret; |
30297b55 PM |
10980 | case TARGET_NR_fsetxattr: |
10981 | { | |
10982 | void *n, *v = 0; | |
10983 | if (arg3) { | |
10984 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
10985 | if (!v) { | |
72eb7ea8 | 10986 | return -TARGET_EFAULT; |
30297b55 PM |
10987 | } |
10988 | } | |
10989 | n = lock_user_string(arg2); | |
10990 | if (n) { | |
10991 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
10992 | } else { | |
10993 | ret = -TARGET_EFAULT; | |
10994 | } | |
10995 | unlock_user(n, arg2, 0); | |
10996 | unlock_user(v, arg3, 0); | |
10997 | } | |
72eb7ea8 | 10998 | return ret; |
a790ae38 | 10999 | case TARGET_NR_getxattr: |
30297b55 | 11000 | case TARGET_NR_lgetxattr: |
a790ae38 | 11001 | { |
e3c33ec6 PM |
11002 | void *p, *n, *v = 0; |
11003 | if (arg3) { | |
11004 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
11005 | if (!v) { | |
72eb7ea8 | 11006 | return -TARGET_EFAULT; |
e3c33ec6 PM |
11007 | } |
11008 | } | |
a790ae38 ACH |
11009 | p = lock_user_string(arg1); |
11010 | n = lock_user_string(arg2); | |
e3c33ec6 | 11011 | if (p && n) { |
30297b55 PM |
11012 | if (num == TARGET_NR_getxattr) { |
11013 | ret = get_errno(getxattr(p, n, v, arg4)); | |
11014 | } else { | |
11015 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
11016 | } | |
a790ae38 ACH |
11017 | } else { |
11018 | ret = -TARGET_EFAULT; | |
11019 | } | |
11020 | unlock_user(p, arg1, 0); | |
11021 | unlock_user(n, arg2, 0); | |
11022 | unlock_user(v, arg3, arg4); | |
11023 | } | |
72eb7ea8 | 11024 | return ret; |
30297b55 PM |
11025 | case TARGET_NR_fgetxattr: |
11026 | { | |
11027 | void *n, *v = 0; | |
11028 | if (arg3) { | |
11029 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
11030 | if (!v) { | |
72eb7ea8 | 11031 | return -TARGET_EFAULT; |
30297b55 PM |
11032 | } |
11033 | } | |
11034 | n = lock_user_string(arg2); | |
11035 | if (n) { | |
11036 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
11037 | } else { | |
11038 | ret = -TARGET_EFAULT; | |
11039 | } | |
11040 | unlock_user(n, arg2, 0); | |
11041 | unlock_user(v, arg3, arg4); | |
11042 | } | |
72eb7ea8 | 11043 | return ret; |
a790ae38 | 11044 | case TARGET_NR_removexattr: |
30297b55 | 11045 | case TARGET_NR_lremovexattr: |
a790ae38 ACH |
11046 | { |
11047 | void *p, *n; | |
11048 | p = lock_user_string(arg1); | |
11049 | n = lock_user_string(arg2); | |
11050 | if (p && n) { | |
30297b55 PM |
11051 | if (num == TARGET_NR_removexattr) { |
11052 | ret = get_errno(removexattr(p, n)); | |
11053 | } else { | |
11054 | ret = get_errno(lremovexattr(p, n)); | |
11055 | } | |
a790ae38 ACH |
11056 | } else { |
11057 | ret = -TARGET_EFAULT; | |
11058 | } | |
11059 | unlock_user(p, arg1, 0); | |
11060 | unlock_user(n, arg2, 0); | |
11061 | } | |
72eb7ea8 | 11062 | return ret; |
30297b55 PM |
11063 | case TARGET_NR_fremovexattr: |
11064 | { | |
11065 | void *n; | |
11066 | n = lock_user_string(arg2); | |
11067 | if (n) { | |
11068 | ret = get_errno(fremovexattr(arg1, n)); | |
11069 | } else { | |
11070 | ret = -TARGET_EFAULT; | |
11071 | } | |
11072 | unlock_user(n, arg2, 0); | |
11073 | } | |
72eb7ea8 | 11074 | return ret; |
ebc05488 | 11075 | #endif |
a790ae38 | 11076 | #endif /* CONFIG_ATTR */ |
ebc05488 | 11077 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 11078 | case TARGET_NR_set_thread_area: |
8d18e893 | 11079 | #if defined(TARGET_MIPS) |
d279279e | 11080 | ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1; |
72eb7ea8 | 11081 | return 0; |
ef96779b EI |
11082 | #elif defined(TARGET_CRIS) |
11083 | if (arg1 & 0xff) | |
11084 | ret = -TARGET_EINVAL; | |
11085 | else { | |
11086 | ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; | |
11087 | ret = 0; | |
11088 | } | |
72eb7ea8 | 11089 | return ret; |
8d18e893 | 11090 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 11091 | return do_set_thread_area(cpu_env, arg1); |
1ccd9374 PM |
11092 | #elif defined(TARGET_M68K) |
11093 | { | |
0429a971 | 11094 | TaskState *ts = cpu->opaque; |
1ccd9374 | 11095 | ts->tp_value = arg1; |
72eb7ea8 | 11096 | return 0; |
1ccd9374 | 11097 | } |
6f5b89a0 | 11098 | #else |
10f45d98 | 11099 | return -TARGET_ENOSYS; |
6f5b89a0 TS |
11100 | #endif |
11101 | #endif | |
11102 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 11103 | case TARGET_NR_get_thread_area: |
8d18e893 | 11104 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 11105 | return do_get_thread_area(cpu_env, arg1); |
1ccd9374 PM |
11106 | #elif defined(TARGET_M68K) |
11107 | { | |
0429a971 | 11108 | TaskState *ts = cpu->opaque; |
72eb7ea8 | 11109 | return ts->tp_value; |
1ccd9374 | 11110 | } |
8d18e893 | 11111 | #else |
10f45d98 | 11112 | return -TARGET_ENOSYS; |
48dc41eb | 11113 | #endif |
8d18e893 | 11114 | #endif |
48dc41eb FB |
11115 | #ifdef TARGET_NR_getdomainname |
11116 | case TARGET_NR_getdomainname: | |
10f45d98 | 11117 | return -TARGET_ENOSYS; |
ebc05488 | 11118 | #endif |
6f5b89a0 | 11119 | |
12e3340c MF |
11120 | #ifdef TARGET_NR_clock_settime |
11121 | case TARGET_NR_clock_settime: | |
11122 | { | |
11123 | struct timespec ts; | |
11124 | ||
11125 | ret = target_to_host_timespec(&ts, arg2); | |
11126 | if (!is_error(ret)) { | |
11127 | ret = get_errno(clock_settime(arg1, &ts)); | |
11128 | } | |
72eb7ea8 | 11129 | return ret; |
12e3340c MF |
11130 | } |
11131 | #endif | |
b5906f95 TS |
11132 | #ifdef TARGET_NR_clock_gettime |
11133 | case TARGET_NR_clock_gettime: | |
11134 | { | |
11135 | struct timespec ts; | |
11136 | ret = get_errno(clock_gettime(arg1, &ts)); | |
11137 | if (!is_error(ret)) { | |
b9f9908e | 11138 | ret = host_to_target_timespec(arg2, &ts); |
b5906f95 | 11139 | } |
72eb7ea8 | 11140 | return ret; |
b5906f95 TS |
11141 | } |
11142 | #endif | |
11143 | #ifdef TARGET_NR_clock_getres | |
11144 | case TARGET_NR_clock_getres: | |
11145 | { | |
11146 | struct timespec ts; | |
11147 | ret = get_errno(clock_getres(arg1, &ts)); | |
11148 | if (!is_error(ret)) { | |
11149 | host_to_target_timespec(arg2, &ts); | |
11150 | } | |
72eb7ea8 | 11151 | return ret; |
b5906f95 TS |
11152 | } |
11153 | #endif | |
63d7651b PB |
11154 | #ifdef TARGET_NR_clock_nanosleep |
11155 | case TARGET_NR_clock_nanosleep: | |
11156 | { | |
11157 | struct timespec ts; | |
11158 | target_to_host_timespec(&ts, arg3); | |
9e518226 PM |
11159 | ret = get_errno(safe_clock_nanosleep(arg1, arg2, |
11160 | &ts, arg4 ? &ts : NULL)); | |
63d7651b PB |
11161 | if (arg4) |
11162 | host_to_target_timespec(arg4, &ts); | |
8fbe8fdf TM |
11163 | |
11164 | #if defined(TARGET_PPC) | |
11165 | /* clock_nanosleep is odd in that it returns positive errno values. | |
11166 | * On PPC, CR0 bit 3 should be set in such a situation. */ | |
9e518226 | 11167 | if (ret && ret != -TARGET_ERESTARTSYS) { |
8fbe8fdf TM |
11168 | ((CPUPPCState *)cpu_env)->crf[0] |= 1; |
11169 | } | |
11170 | #endif | |
72eb7ea8 | 11171 | return ret; |
63d7651b PB |
11172 | } |
11173 | #endif | |
b5906f95 | 11174 | |
6f5b89a0 TS |
11175 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
11176 | case TARGET_NR_set_tid_address: | |
72eb7ea8 | 11177 | return get_errno(set_tid_address((int *)g2h(arg1))); |
6f5b89a0 TS |
11178 | #endif |
11179 | ||
4cae1d16 | 11180 | case TARGET_NR_tkill: |
72eb7ea8 | 11181 | return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 | 11182 | |
71455574 | 11183 | case TARGET_NR_tgkill: |
72eb7ea8 RH |
11184 | return get_errno(safe_tgkill((int)arg1, (int)arg2, |
11185 | target_to_host_signal(arg3))); | |
71455574 | 11186 | |
4f2b1fe8 TS |
11187 | #ifdef TARGET_NR_set_robust_list |
11188 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
11189 | case TARGET_NR_get_robust_list: |
11190 | /* The ABI for supporting robust futexes has userspace pass | |
11191 | * the kernel a pointer to a linked list which is updated by | |
11192 | * userspace after the syscall; the list is walked by the kernel | |
11193 | * when the thread exits. Since the linked list in QEMU guest | |
11194 | * memory isn't a valid linked list for the host and we have | |
11195 | * no way to reliably intercept the thread-death event, we can't | |
11196 | * support these. Silently return ENOSYS so that guest userspace | |
11197 | * falls back to a non-robust futex implementation (which should | |
11198 | * be OK except in the corner case of the guest crashing while | |
11199 | * holding a mutex that is shared with another process via | |
11200 | * shared memory). | |
11201 | */ | |
10f45d98 | 11202 | return -TARGET_ENOSYS; |
4f2b1fe8 TS |
11203 | #endif |
11204 | ||
1acae9f2 | 11205 | #if defined(TARGET_NR_utimensat) |
9007f0ef TS |
11206 | case TARGET_NR_utimensat: |
11207 | { | |
ebc996f3 RV |
11208 | struct timespec *tsp, ts[2]; |
11209 | if (!arg3) { | |
11210 | tsp = NULL; | |
11211 | } else { | |
11212 | target_to_host_timespec(ts, arg3); | |
11213 | target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); | |
11214 | tsp = ts; | |
11215 | } | |
9007f0ef | 11216 | if (!arg2) |
ebc996f3 | 11217 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 11218 | else { |
579a97f7 | 11219 | if (!(p = lock_user_string(arg2))) { |
259841c1 | 11220 | return -TARGET_EFAULT; |
579a97f7 | 11221 | } |
ebc996f3 | 11222 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 11223 | unlock_user(p, arg2, 0); |
9007f0ef TS |
11224 | } |
11225 | } | |
72eb7ea8 | 11226 | return ret; |
9007f0ef | 11227 | #endif |
bd0c5661 | 11228 | case TARGET_NR_futex: |
72eb7ea8 | 11229 | return do_futex(arg1, arg2, arg3, arg4, arg5, arg6); |
dbfe4c36 | 11230 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
39b59763 AJ |
11231 | case TARGET_NR_inotify_init: |
11232 | ret = get_errno(sys_inotify_init()); | |
b929f7e5 PMD |
11233 | if (ret >= 0) { |
11234 | fd_trans_register(ret, &target_inotify_trans); | |
11235 | } | |
72eb7ea8 | 11236 | return ret; |
39b59763 | 11237 | #endif |
a1606b0b | 11238 | #ifdef CONFIG_INOTIFY1 |
c05c7a73 RV |
11239 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) |
11240 | case TARGET_NR_inotify_init1: | |
fea243e9 LD |
11241 | ret = get_errno(sys_inotify_init1(target_to_host_bitmask(arg1, |
11242 | fcntl_flags_tbl))); | |
b929f7e5 PMD |
11243 | if (ret >= 0) { |
11244 | fd_trans_register(ret, &target_inotify_trans); | |
11245 | } | |
72eb7ea8 | 11246 | return ret; |
c05c7a73 | 11247 | #endif |
a1606b0b | 11248 | #endif |
dbfe4c36 | 11249 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) |
39b59763 AJ |
11250 | case TARGET_NR_inotify_add_watch: |
11251 | p = lock_user_string(arg2); | |
11252 | ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); | |
11253 | unlock_user(p, arg2, 0); | |
72eb7ea8 | 11254 | return ret; |
39b59763 | 11255 | #endif |
dbfe4c36 | 11256 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) |
39b59763 | 11257 | case TARGET_NR_inotify_rm_watch: |
72eb7ea8 | 11258 | return get_errno(sys_inotify_rm_watch(arg1, arg2)); |
39b59763 | 11259 | #endif |
9007f0ef | 11260 | |
8ec9cf89 | 11261 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
11262 | case TARGET_NR_mq_open: |
11263 | { | |
c7536ab6 | 11264 | struct mq_attr posix_mq_attr; |
26400775 | 11265 | struct mq_attr *pposix_mq_attr; |
c7536ab6 | 11266 | int host_flags; |
24e1003a | 11267 | |
c7536ab6 | 11268 | host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl); |
26400775 LD |
11269 | pposix_mq_attr = NULL; |
11270 | if (arg4) { | |
11271 | if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) { | |
2852aafd | 11272 | return -TARGET_EFAULT; |
26400775 LD |
11273 | } |
11274 | pposix_mq_attr = &posix_mq_attr; | |
c7536ab6 | 11275 | } |
24e1003a | 11276 | p = lock_user_string(arg1 - 1); |
c7536ab6 | 11277 | if (!p) { |
2852aafd | 11278 | return -TARGET_EFAULT; |
b6ce1f6b | 11279 | } |
26400775 | 11280 | ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr)); |
24e1003a AJ |
11281 | unlock_user (p, arg1, 0); |
11282 | } | |
72eb7ea8 | 11283 | return ret; |
24e1003a AJ |
11284 | |
11285 | case TARGET_NR_mq_unlink: | |
11286 | p = lock_user_string(arg1 - 1); | |
3211215e | 11287 | if (!p) { |
72eb7ea8 | 11288 | return -TARGET_EFAULT; |
3211215e | 11289 | } |
24e1003a AJ |
11290 | ret = get_errno(mq_unlink(p)); |
11291 | unlock_user (p, arg1, 0); | |
72eb7ea8 | 11292 | return ret; |
24e1003a AJ |
11293 | |
11294 | case TARGET_NR_mq_timedsend: | |
11295 | { | |
11296 | struct timespec ts; | |
11297 | ||
11298 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
11299 | if (arg5 != 0) { | |
11300 | target_to_host_timespec(&ts, arg5); | |
d40ecd66 | 11301 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); |
24e1003a | 11302 | host_to_target_timespec(arg5, &ts); |
d40ecd66 PM |
11303 | } else { |
11304 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); | |
24e1003a | 11305 | } |
24e1003a AJ |
11306 | unlock_user (p, arg2, arg3); |
11307 | } | |
72eb7ea8 | 11308 | return ret; |
24e1003a AJ |
11309 | |
11310 | case TARGET_NR_mq_timedreceive: | |
11311 | { | |
11312 | struct timespec ts; | |
11313 | unsigned int prio; | |
11314 | ||
11315 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
11316 | if (arg5 != 0) { | |
11317 | target_to_host_timespec(&ts, arg5); | |
d40ecd66 PM |
11318 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, |
11319 | &prio, &ts)); | |
24e1003a | 11320 | host_to_target_timespec(arg5, &ts); |
d40ecd66 PM |
11321 | } else { |
11322 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
11323 | &prio, NULL)); | |
24e1003a | 11324 | } |
24e1003a AJ |
11325 | unlock_user (p, arg2, arg3); |
11326 | if (arg4 != 0) | |
11327 | put_user_u32(prio, arg4); | |
11328 | } | |
72eb7ea8 | 11329 | return ret; |
24e1003a AJ |
11330 | |
11331 | /* Not implemented for now... */ | |
11332 | /* case TARGET_NR_mq_notify: */ | |
11333 | /* break; */ | |
11334 | ||
11335 | case TARGET_NR_mq_getsetattr: | |
11336 | { | |
11337 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
11338 | ret = 0; | |
24e1003a AJ |
11339 | if (arg2 != 0) { |
11340 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
a23ea409 MF |
11341 | ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in, |
11342 | &posix_mq_attr_out)); | |
11343 | } else if (arg3 != 0) { | |
11344 | ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out)); | |
11345 | } | |
11346 | if (ret == 0 && arg3 != 0) { | |
11347 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
24e1003a | 11348 | } |
24e1003a | 11349 | } |
72eb7ea8 | 11350 | return ret; |
24e1003a AJ |
11351 | #endif |
11352 | ||
3ce34dfb VS |
11353 | #ifdef CONFIG_SPLICE |
11354 | #ifdef TARGET_NR_tee | |
11355 | case TARGET_NR_tee: | |
11356 | { | |
11357 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
11358 | } | |
72eb7ea8 | 11359 | return ret; |
3ce34dfb VS |
11360 | #endif |
11361 | #ifdef TARGET_NR_splice | |
11362 | case TARGET_NR_splice: | |
11363 | { | |
11364 | loff_t loff_in, loff_out; | |
11365 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
17644b36 AS |
11366 | if (arg2) { |
11367 | if (get_user_u64(loff_in, arg2)) { | |
2852aafd | 11368 | return -TARGET_EFAULT; |
17644b36 | 11369 | } |
3ce34dfb VS |
11370 | ploff_in = &loff_in; |
11371 | } | |
17644b36 AS |
11372 | if (arg4) { |
11373 | if (get_user_u64(loff_out, arg4)) { | |
2852aafd | 11374 | return -TARGET_EFAULT; |
17644b36 | 11375 | } |
3ce34dfb VS |
11376 | ploff_out = &loff_out; |
11377 | } | |
11378 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
17644b36 AS |
11379 | if (arg2) { |
11380 | if (put_user_u64(loff_in, arg2)) { | |
2852aafd | 11381 | return -TARGET_EFAULT; |
17644b36 AS |
11382 | } |
11383 | } | |
11384 | if (arg4) { | |
11385 | if (put_user_u64(loff_out, arg4)) { | |
2852aafd | 11386 | return -TARGET_EFAULT; |
17644b36 AS |
11387 | } |
11388 | } | |
3ce34dfb | 11389 | } |
72eb7ea8 | 11390 | return ret; |
3ce34dfb VS |
11391 | #endif |
11392 | #ifdef TARGET_NR_vmsplice | |
11393 | case TARGET_NR_vmsplice: | |
11394 | { | |
f287b2c2 RH |
11395 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
11396 | if (vec != NULL) { | |
11397 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
11398 | unlock_iovec(vec, arg2, arg3, 0); | |
11399 | } else { | |
11400 | ret = -host_to_target_errno(errno); | |
11401 | } | |
3ce34dfb | 11402 | } |
72eb7ea8 | 11403 | return ret; |
3ce34dfb VS |
11404 | #endif |
11405 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
11406 | #ifdef CONFIG_EVENTFD |
11407 | #if defined(TARGET_NR_eventfd) | |
11408 | case TARGET_NR_eventfd: | |
11409 | ret = get_errno(eventfd(arg1, 0)); | |
b929f7e5 PMD |
11410 | if (ret >= 0) { |
11411 | fd_trans_register(ret, &target_eventfd_trans); | |
11412 | } | |
72eb7ea8 | 11413 | return ret; |
c2882b96 RV |
11414 | #endif |
11415 | #if defined(TARGET_NR_eventfd2) | |
11416 | case TARGET_NR_eventfd2: | |
5947c697 PJ |
11417 | { |
11418 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)); | |
11419 | if (arg2 & TARGET_O_NONBLOCK) { | |
11420 | host_flags |= O_NONBLOCK; | |
11421 | } | |
11422 | if (arg2 & TARGET_O_CLOEXEC) { | |
11423 | host_flags |= O_CLOEXEC; | |
11424 | } | |
11425 | ret = get_errno(eventfd(arg1, host_flags)); | |
b929f7e5 PMD |
11426 | if (ret >= 0) { |
11427 | fd_trans_register(ret, &target_eventfd_trans); | |
11428 | } | |
72eb7ea8 | 11429 | return ret; |
5947c697 | 11430 | } |
c2882b96 RV |
11431 | #endif |
11432 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
11433 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
11434 | case TARGET_NR_fallocate: | |
20249ae1 AG |
11435 | #if TARGET_ABI_BITS == 32 |
11436 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), | |
11437 | target_offset64(arg5, arg6))); | |
11438 | #else | |
d0927938 | 11439 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 11440 | #endif |
72eb7ea8 | 11441 | return ret; |
c727f47d PM |
11442 | #endif |
11443 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
11444 | #if defined(TARGET_NR_sync_file_range) | |
11445 | case TARGET_NR_sync_file_range: | |
11446 | #if TARGET_ABI_BITS == 32 | |
bfcedc57 RV |
11447 | #if defined(TARGET_MIPS) |
11448 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
11449 | target_offset64(arg5, arg6), arg7)); | |
11450 | #else | |
c727f47d PM |
11451 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
11452 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 11453 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
11454 | #else |
11455 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
11456 | #endif | |
72eb7ea8 | 11457 | return ret; |
c727f47d PM |
11458 | #endif |
11459 | #if defined(TARGET_NR_sync_file_range2) | |
11460 | case TARGET_NR_sync_file_range2: | |
11461 | /* This is like sync_file_range but the arguments are reordered */ | |
11462 | #if TARGET_ABI_BITS == 32 | |
11463 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
11464 | target_offset64(arg5, arg6), arg2)); | |
11465 | #else | |
11466 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
11467 | #endif | |
72eb7ea8 | 11468 | return ret; |
c727f47d | 11469 | #endif |
3b6edd16 | 11470 | #endif |
e36800c9 LV |
11471 | #if defined(TARGET_NR_signalfd4) |
11472 | case TARGET_NR_signalfd4: | |
72eb7ea8 | 11473 | return do_signalfd4(arg1, arg2, arg4); |
e36800c9 LV |
11474 | #endif |
11475 | #if defined(TARGET_NR_signalfd) | |
11476 | case TARGET_NR_signalfd: | |
72eb7ea8 | 11477 | return do_signalfd4(arg1, arg2, 0); |
e36800c9 | 11478 | #endif |
3b6edd16 PM |
11479 | #if defined(CONFIG_EPOLL) |
11480 | #if defined(TARGET_NR_epoll_create) | |
11481 | case TARGET_NR_epoll_create: | |
72eb7ea8 | 11482 | return get_errno(epoll_create(arg1)); |
3b6edd16 PM |
11483 | #endif |
11484 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
11485 | case TARGET_NR_epoll_create1: | |
72eb7ea8 | 11486 | return get_errno(epoll_create1(arg1)); |
3b6edd16 PM |
11487 | #endif |
11488 | #if defined(TARGET_NR_epoll_ctl) | |
11489 | case TARGET_NR_epoll_ctl: | |
11490 | { | |
11491 | struct epoll_event ep; | |
11492 | struct epoll_event *epp = 0; | |
11493 | if (arg4) { | |
11494 | struct target_epoll_event *target_ep; | |
11495 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
2852aafd | 11496 | return -TARGET_EFAULT; |
3b6edd16 PM |
11497 | } |
11498 | ep.events = tswap32(target_ep->events); | |
11499 | /* The epoll_data_t union is just opaque data to the kernel, | |
11500 | * so we transfer all 64 bits across and need not worry what | |
11501 | * actual data type it is. | |
11502 | */ | |
11503 | ep.data.u64 = tswap64(target_ep->data.u64); | |
11504 | unlock_user_struct(target_ep, arg4, 0); | |
11505 | epp = &ep; | |
11506 | } | |
72eb7ea8 | 11507 | return get_errno(epoll_ctl(arg1, arg2, arg3, epp)); |
3b6edd16 PM |
11508 | } |
11509 | #endif | |
11510 | ||
227f0214 | 11511 | #if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
11512 | #if defined(TARGET_NR_epoll_wait) |
11513 | case TARGET_NR_epoll_wait: | |
11514 | #endif | |
227f0214 | 11515 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
11516 | case TARGET_NR_epoll_pwait: |
11517 | #endif | |
11518 | { | |
11519 | struct target_epoll_event *target_ep; | |
11520 | struct epoll_event *ep; | |
11521 | int epfd = arg1; | |
11522 | int maxevents = arg3; | |
11523 | int timeout = arg4; | |
11524 | ||
2ba7fae3 | 11525 | if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) { |
72eb7ea8 | 11526 | return -TARGET_EINVAL; |
2ba7fae3 PM |
11527 | } |
11528 | ||
3b6edd16 PM |
11529 | target_ep = lock_user(VERIFY_WRITE, arg2, |
11530 | maxevents * sizeof(struct target_epoll_event), 1); | |
11531 | if (!target_ep) { | |
2852aafd | 11532 | return -TARGET_EFAULT; |
3b6edd16 PM |
11533 | } |
11534 | ||
04c95f4d PM |
11535 | ep = g_try_new(struct epoll_event, maxevents); |
11536 | if (!ep) { | |
11537 | unlock_user(target_ep, arg2, 0); | |
72eb7ea8 | 11538 | return -TARGET_ENOMEM; |
04c95f4d | 11539 | } |
3b6edd16 PM |
11540 | |
11541 | switch (num) { | |
227f0214 | 11542 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
11543 | case TARGET_NR_epoll_pwait: |
11544 | { | |
11545 | target_sigset_t *target_set; | |
11546 | sigset_t _set, *set = &_set; | |
11547 | ||
11548 | if (arg5) { | |
c815701e PM |
11549 | if (arg6 != sizeof(target_sigset_t)) { |
11550 | ret = -TARGET_EINVAL; | |
11551 | break; | |
11552 | } | |
11553 | ||
3b6edd16 PM |
11554 | target_set = lock_user(VERIFY_READ, arg5, |
11555 | sizeof(target_sigset_t), 1); | |
11556 | if (!target_set) { | |
04c95f4d PM |
11557 | ret = -TARGET_EFAULT; |
11558 | break; | |
3b6edd16 PM |
11559 | } |
11560 | target_to_host_sigset(set, target_set); | |
11561 | unlock_user(target_set, arg5, 0); | |
11562 | } else { | |
11563 | set = NULL; | |
11564 | } | |
11565 | ||
227f0214 PM |
11566 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
11567 | set, SIGSET_T_SIZE)); | |
3b6edd16 PM |
11568 | break; |
11569 | } | |
11570 | #endif | |
11571 | #if defined(TARGET_NR_epoll_wait) | |
11572 | case TARGET_NR_epoll_wait: | |
227f0214 PM |
11573 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
11574 | NULL, 0)); | |
3b6edd16 PM |
11575 | break; |
11576 | #endif | |
11577 | default: | |
11578 | ret = -TARGET_ENOSYS; | |
11579 | } | |
11580 | if (!is_error(ret)) { | |
11581 | int i; | |
11582 | for (i = 0; i < ret; i++) { | |
11583 | target_ep[i].events = tswap32(ep[i].events); | |
11584 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
11585 | } | |
04c95f4d PM |
11586 | unlock_user(target_ep, arg2, |
11587 | ret * sizeof(struct target_epoll_event)); | |
11588 | } else { | |
11589 | unlock_user(target_ep, arg2, 0); | |
3b6edd16 | 11590 | } |
04c95f4d | 11591 | g_free(ep); |
72eb7ea8 | 11592 | return ret; |
3b6edd16 PM |
11593 | } |
11594 | #endif | |
163a05a8 PM |
11595 | #endif |
11596 | #ifdef TARGET_NR_prlimit64 | |
11597 | case TARGET_NR_prlimit64: | |
11598 | { | |
11599 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
11600 | struct target_rlimit64 *target_rnew, *target_rold; | |
11601 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
95018018 | 11602 | int resource = target_to_host_resource(arg2); |
163a05a8 PM |
11603 | if (arg3) { |
11604 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { | |
2852aafd | 11605 | return -TARGET_EFAULT; |
163a05a8 PM |
11606 | } |
11607 | rnew.rlim_cur = tswap64(target_rnew->rlim_cur); | |
11608 | rnew.rlim_max = tswap64(target_rnew->rlim_max); | |
11609 | unlock_user_struct(target_rnew, arg3, 0); | |
11610 | rnewp = &rnew; | |
11611 | } | |
11612 | ||
95018018 | 11613 | ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0)); |
163a05a8 PM |
11614 | if (!is_error(ret) && arg4) { |
11615 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
2852aafd | 11616 | return -TARGET_EFAULT; |
163a05a8 PM |
11617 | } |
11618 | target_rold->rlim_cur = tswap64(rold.rlim_cur); | |
11619 | target_rold->rlim_max = tswap64(rold.rlim_max); | |
11620 | unlock_user_struct(target_rold, arg4, 1); | |
11621 | } | |
72eb7ea8 | 11622 | return ret; |
163a05a8 | 11623 | } |
3d21d29c RH |
11624 | #endif |
11625 | #ifdef TARGET_NR_gethostname | |
11626 | case TARGET_NR_gethostname: | |
11627 | { | |
11628 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
11629 | if (name) { | |
11630 | ret = get_errno(gethostname(name, arg2)); | |
11631 | unlock_user(name, arg1, arg2); | |
11632 | } else { | |
11633 | ret = -TARGET_EFAULT; | |
11634 | } | |
72eb7ea8 | 11635 | return ret; |
3d21d29c | 11636 | } |
89aaf1a6 RV |
11637 | #endif |
11638 | #ifdef TARGET_NR_atomic_cmpxchg_32 | |
11639 | case TARGET_NR_atomic_cmpxchg_32: | |
11640 | { | |
11641 | /* should use start_exclusive from main.c */ | |
11642 | abi_ulong mem_value; | |
11643 | if (get_user_u32(mem_value, arg6)) { | |
11644 | target_siginfo_t info; | |
11645 | info.si_signo = SIGSEGV; | |
11646 | info.si_errno = 0; | |
11647 | info.si_code = TARGET_SEGV_MAPERR; | |
11648 | info._sifields._sigfault._addr = arg6; | |
9d2803f7 PM |
11649 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
11650 | QEMU_SI_FAULT, &info); | |
89aaf1a6 RV |
11651 | ret = 0xdeadbeef; |
11652 | ||
11653 | } | |
11654 | if (mem_value == arg2) | |
11655 | put_user_u32(arg1, arg6); | |
72eb7ea8 | 11656 | return mem_value; |
89aaf1a6 RV |
11657 | } |
11658 | #endif | |
11659 | #ifdef TARGET_NR_atomic_barrier | |
11660 | case TARGET_NR_atomic_barrier: | |
72eb7ea8 RH |
11661 | /* Like the kernel implementation and the |
11662 | qemu arm barrier, no-op this? */ | |
11663 | return 0; | |
d0927938 | 11664 | #endif |
f4f1e10a ECL |
11665 | |
11666 | #ifdef TARGET_NR_timer_create | |
11667 | case TARGET_NR_timer_create: | |
11668 | { | |
11669 | /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */ | |
11670 | ||
11671 | struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL; | |
f4f1e10a ECL |
11672 | |
11673 | int clkid = arg1; | |
11674 | int timer_index = next_free_host_timer(); | |
11675 | ||
11676 | if (timer_index < 0) { | |
11677 | ret = -TARGET_EAGAIN; | |
11678 | } else { | |
11679 | timer_t *phtimer = g_posix_timers + timer_index; | |
11680 | ||
11681 | if (arg2) { | |
f4f1e10a | 11682 | phost_sevp = &host_sevp; |
c065976f PM |
11683 | ret = target_to_host_sigevent(phost_sevp, arg2); |
11684 | if (ret != 0) { | |
72eb7ea8 | 11685 | return ret; |
c065976f | 11686 | } |
f4f1e10a ECL |
11687 | } |
11688 | ||
11689 | ret = get_errno(timer_create(clkid, phost_sevp, phtimer)); | |
11690 | if (ret) { | |
11691 | phtimer = NULL; | |
11692 | } else { | |
aecc8861 | 11693 | if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { |
2852aafd | 11694 | return -TARGET_EFAULT; |
f4f1e10a | 11695 | } |
f4f1e10a ECL |
11696 | } |
11697 | } | |
72eb7ea8 | 11698 | return ret; |
f4f1e10a ECL |
11699 | } |
11700 | #endif | |
11701 | ||
11702 | #ifdef TARGET_NR_timer_settime | |
11703 | case TARGET_NR_timer_settime: | |
11704 | { | |
11705 | /* args: timer_t timerid, int flags, const struct itimerspec *new_value, | |
11706 | * struct itimerspec * old_value */ | |
aecc8861 | 11707 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 11708 | |
aecc8861 AG |
11709 | if (timerid < 0) { |
11710 | ret = timerid; | |
11711 | } else if (arg3 == 0) { | |
f4f1e10a ECL |
11712 | ret = -TARGET_EINVAL; |
11713 | } else { | |
e52a99f7 | 11714 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
11715 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; |
11716 | ||
40c80b5e | 11717 | if (target_to_host_itimerspec(&hspec_new, arg3)) { |
2852aafd | 11718 | return -TARGET_EFAULT; |
40c80b5e | 11719 | } |
f4f1e10a ECL |
11720 | ret = get_errno( |
11721 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
40c80b5e | 11722 | if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) { |
2852aafd | 11723 | return -TARGET_EFAULT; |
40c80b5e | 11724 | } |
f4f1e10a | 11725 | } |
72eb7ea8 | 11726 | return ret; |
f4f1e10a ECL |
11727 | } |
11728 | #endif | |
11729 | ||
11730 | #ifdef TARGET_NR_timer_gettime | |
11731 | case TARGET_NR_timer_gettime: | |
11732 | { | |
11733 | /* args: timer_t timerid, struct itimerspec *curr_value */ | |
aecc8861 | 11734 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 11735 | |
aecc8861 AG |
11736 | if (timerid < 0) { |
11737 | ret = timerid; | |
11738 | } else if (!arg2) { | |
11739 | ret = -TARGET_EFAULT; | |
f4f1e10a | 11740 | } else { |
e52a99f7 | 11741 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
11742 | struct itimerspec hspec; |
11743 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
11744 | ||
11745 | if (host_to_target_itimerspec(arg2, &hspec)) { | |
11746 | ret = -TARGET_EFAULT; | |
11747 | } | |
11748 | } | |
72eb7ea8 | 11749 | return ret; |
f4f1e10a ECL |
11750 | } |
11751 | #endif | |
11752 | ||
11753 | #ifdef TARGET_NR_timer_getoverrun | |
11754 | case TARGET_NR_timer_getoverrun: | |
11755 | { | |
11756 | /* args: timer_t timerid */ | |
aecc8861 | 11757 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 11758 | |
aecc8861 AG |
11759 | if (timerid < 0) { |
11760 | ret = timerid; | |
f4f1e10a | 11761 | } else { |
e52a99f7 | 11762 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
11763 | ret = get_errno(timer_getoverrun(htimer)); |
11764 | } | |
e36800c9 | 11765 | fd_trans_unregister(ret); |
72eb7ea8 | 11766 | return ret; |
f4f1e10a ECL |
11767 | } |
11768 | #endif | |
11769 | ||
11770 | #ifdef TARGET_NR_timer_delete | |
11771 | case TARGET_NR_timer_delete: | |
11772 | { | |
11773 | /* args: timer_t timerid */ | |
aecc8861 | 11774 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 11775 | |
aecc8861 AG |
11776 | if (timerid < 0) { |
11777 | ret = timerid; | |
f4f1e10a | 11778 | } else { |
e52a99f7 | 11779 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a | 11780 | ret = get_errno(timer_delete(htimer)); |
e52a99f7 | 11781 | g_posix_timers[timerid] = 0; |
f4f1e10a | 11782 | } |
72eb7ea8 | 11783 | return ret; |
f4f1e10a ECL |
11784 | } |
11785 | #endif | |
11786 | ||
51834341 RV |
11787 | #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) |
11788 | case TARGET_NR_timerfd_create: | |
72eb7ea8 RH |
11789 | return get_errno(timerfd_create(arg1, |
11790 | target_to_host_bitmask(arg2, fcntl_flags_tbl))); | |
51834341 RV |
11791 | #endif |
11792 | ||
11793 | #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) | |
11794 | case TARGET_NR_timerfd_gettime: | |
11795 | { | |
11796 | struct itimerspec its_curr; | |
11797 | ||
11798 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
11799 | ||
11800 | if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { | |
2852aafd | 11801 | return -TARGET_EFAULT; |
51834341 RV |
11802 | } |
11803 | } | |
72eb7ea8 | 11804 | return ret; |
51834341 RV |
11805 | #endif |
11806 | ||
11807 | #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) | |
11808 | case TARGET_NR_timerfd_settime: | |
11809 | { | |
11810 | struct itimerspec its_new, its_old, *p_new; | |
11811 | ||
11812 | if (arg3) { | |
11813 | if (target_to_host_itimerspec(&its_new, arg3)) { | |
2852aafd | 11814 | return -TARGET_EFAULT; |
51834341 RV |
11815 | } |
11816 | p_new = &its_new; | |
11817 | } else { | |
11818 | p_new = NULL; | |
11819 | } | |
11820 | ||
11821 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
11822 | ||
11823 | if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { | |
2852aafd | 11824 | return -TARGET_EFAULT; |
51834341 RV |
11825 | } |
11826 | } | |
72eb7ea8 | 11827 | return ret; |
51834341 RV |
11828 | #endif |
11829 | ||
ab31cda3 PB |
11830 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
11831 | case TARGET_NR_ioprio_get: | |
72eb7ea8 | 11832 | return get_errno(ioprio_get(arg1, arg2)); |
ab31cda3 PB |
11833 | #endif |
11834 | ||
11835 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
11836 | case TARGET_NR_ioprio_set: | |
72eb7ea8 | 11837 | return get_errno(ioprio_set(arg1, arg2, arg3)); |
ab31cda3 PB |
11838 | #endif |
11839 | ||
9af5c906 RV |
11840 | #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) |
11841 | case TARGET_NR_setns: | |
72eb7ea8 | 11842 | return get_errno(setns(arg1, arg2)); |
9af5c906 RV |
11843 | #endif |
11844 | #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) | |
11845 | case TARGET_NR_unshare: | |
72eb7ea8 | 11846 | return get_errno(unshare(arg1)); |
9af5c906 | 11847 | #endif |
2f14788c LV |
11848 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
11849 | case TARGET_NR_kcmp: | |
72eb7ea8 | 11850 | return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); |
2f14788c | 11851 | #endif |
fa97e38e RH |
11852 | #ifdef TARGET_NR_swapcontext |
11853 | case TARGET_NR_swapcontext: | |
11854 | /* PowerPC specific. */ | |
72eb7ea8 | 11855 | return do_swapcontext(cpu_env, arg1, arg2, arg3); |
fa97e38e | 11856 | #endif |
9af5c906 | 11857 | |
31e31b8a | 11858 | default: |
122f9c83 | 11859 | qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); |
72eb7ea8 | 11860 | return -TARGET_ENOSYS; |
31e31b8a | 11861 | } |
31e31b8a FB |
11862 | return ret; |
11863 | } | |
dc1ce18b RH |
11864 | |
11865 | abi_long do_syscall(void *cpu_env, int num, abi_long arg1, | |
11866 | abi_long arg2, abi_long arg3, abi_long arg4, | |
11867 | abi_long arg5, abi_long arg6, abi_long arg7, | |
11868 | abi_long arg8) | |
11869 | { | |
29a0af61 | 11870 | CPUState *cpu = env_cpu(cpu_env); |
dc1ce18b RH |
11871 | abi_long ret; |
11872 | ||
11873 | #ifdef DEBUG_ERESTARTSYS | |
11874 | /* Debug-only code for exercising the syscall-restart code paths | |
11875 | * in the per-architecture cpu main loops: restart every syscall | |
11876 | * the guest makes once before letting it through. | |
11877 | */ | |
11878 | { | |
11879 | static bool flag; | |
11880 | flag = !flag; | |
11881 | if (flag) { | |
11882 | return -TARGET_ERESTARTSYS; | |
11883 | } | |
11884 | } | |
11885 | #endif | |
11886 | ||
11887 | trace_guest_user_syscall(cpu, num, arg1, arg2, arg3, arg4, | |
11888 | arg5, arg6, arg7, arg8); | |
11889 | ||
11890 | if (unlikely(do_strace)) { | |
11891 | print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); | |
11892 | ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4, | |
11893 | arg5, arg6, arg7, arg8); | |
11894 | print_syscall_ret(num, ret); | |
11895 | } else { | |
11896 | ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4, | |
11897 | arg5, arg6, arg7, arg8); | |
11898 | } | |
11899 | ||
11900 | trace_guest_user_syscall_ret(cpu, num, ret); | |
11901 | return ret; | |
11902 | } |