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Commit | Line | Data |
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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> |
5a61cb60 | 58 | #include "qemu-common.h" |
d80a1905 RV |
59 | #ifdef CONFIG_TIMERFD |
60 | #include <sys/timerfd.h> | |
61 | #endif | |
9788c9ca | 62 | #ifdef TARGET_GPROF |
6d946cda AJ |
63 | #include <sys/gmon.h> |
64 | #endif | |
c2882b96 RV |
65 | #ifdef CONFIG_EVENTFD |
66 | #include <sys/eventfd.h> | |
67 | #endif | |
3b6edd16 PM |
68 | #ifdef CONFIG_EPOLL |
69 | #include <sys/epoll.h> | |
70 | #endif | |
a790ae38 | 71 | #ifdef CONFIG_ATTR |
1de7afc9 | 72 | #include "qemu/xattr.h" |
a790ae38 | 73 | #endif |
a8fd1aba PM |
74 | #ifdef CONFIG_SENDFILE |
75 | #include <sys/sendfile.h> | |
76 | #endif | |
31e31b8a FB |
77 | |
78 | #define termios host_termios | |
79 | #define winsize host_winsize | |
80 | #define termio host_termio | |
04369ff2 FB |
81 | #define sgttyb host_sgttyb /* same as target */ |
82 | #define tchars host_tchars /* same as target */ | |
83 | #define ltchars host_ltchars /* same as target */ | |
31e31b8a FB |
84 | |
85 | #include <linux/termios.h> | |
86 | #include <linux/unistd.h> | |
31e31b8a FB |
87 | #include <linux/cdrom.h> |
88 | #include <linux/hdreg.h> | |
89 | #include <linux/soundcard.h> | |
19b84f3c | 90 | #include <linux/kd.h> |
8fbd6b52 | 91 | #include <linux/mtio.h> |
350d1779 | 92 | #include <linux/fs.h> |
dace20dc | 93 | #if defined(CONFIG_FIEMAP) |
285da2b9 | 94 | #include <linux/fiemap.h> |
dace20dc | 95 | #endif |
f7680a55 | 96 | #include <linux/fb.h> |
6c753a63 CT |
97 | #if defined(CONFIG_USBFS) |
98 | #include <linux/usbdevice_fs.h> | |
a133367e | 99 | #include <linux/usb/ch9.h> |
6c753a63 | 100 | #endif |
f7680a55 | 101 | #include <linux/vt.h> |
56e904ec | 102 | #include <linux/dm-ioctl.h> |
c07ecc68 | 103 | #include <linux/reboot.h> |
7ff7b666 | 104 | #include <linux/route.h> |
f57d4192 | 105 | #include <linux/filter.h> |
fff8c539 | 106 | #include <linux/blkpg.h> |
a82ea939 | 107 | #include <netpacket/packet.h> |
6c5b5645 | 108 | #include <linux/netlink.h> |
d7e4036e | 109 | #include "linux_loop.h" |
18cb0088 | 110 | #include "uname.h" |
31e31b8a | 111 | |
3ef693a0 | 112 | #include "qemu.h" |
f7e6a401 | 113 | #include "fd-trans.h" |
31e31b8a | 114 | |
5ea2fc84 PM |
115 | #ifndef CLONE_IO |
116 | #define CLONE_IO 0x80000000 /* Clone io context */ | |
117 | #endif | |
118 | ||
119 | /* We can't directly call the host clone syscall, because this will | |
120 | * badly confuse libc (breaking mutexes, for example). So we must | |
121 | * divide clone flags into: | |
122 | * * flag combinations that look like pthread_create() | |
123 | * * flag combinations that look like fork() | |
124 | * * flags we can implement within QEMU itself | |
125 | * * flags we can't support and will return an error for | |
126 | */ | |
127 | /* For thread creation, all these flags must be present; for | |
128 | * fork, none must be present. | |
129 | */ | |
130 | #define CLONE_THREAD_FLAGS \ | |
131 | (CLONE_VM | CLONE_FS | CLONE_FILES | \ | |
132 | CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM) | |
133 | ||
134 | /* These flags are ignored: | |
135 | * CLONE_DETACHED is now ignored by the kernel; | |
136 | * CLONE_IO is just an optimisation hint to the I/O scheduler | |
137 | */ | |
138 | #define CLONE_IGNORED_FLAGS \ | |
139 | (CLONE_DETACHED | CLONE_IO) | |
140 | ||
141 | /* Flags for fork which we can implement within QEMU itself */ | |
142 | #define CLONE_OPTIONAL_FORK_FLAGS \ | |
143 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
144 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID) | |
145 | ||
146 | /* Flags for thread creation which we can implement within QEMU itself */ | |
147 | #define CLONE_OPTIONAL_THREAD_FLAGS \ | |
148 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
149 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT) | |
150 | ||
151 | #define CLONE_INVALID_FORK_FLAGS \ | |
152 | (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS)) | |
153 | ||
154 | #define CLONE_INVALID_THREAD_FLAGS \ | |
155 | (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \ | |
156 | CLONE_IGNORED_FLAGS)) | |
157 | ||
158 | /* CLONE_VFORK is special cased early in do_fork(). The other flag bits | |
159 | * have almost all been allocated. We cannot support any of | |
160 | * CLONE_NEWNS, CLONE_NEWCGROUP, CLONE_NEWUTS, CLONE_NEWIPC, | |
161 | * CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_PTRACE, CLONE_UNTRACED. | |
162 | * The checks against the invalid thread masks above will catch these. | |
163 | * (The one remaining unallocated bit is 0x1000 which used to be CLONE_PID.) | |
164 | */ | |
30813cea | 165 | |
71a8f7fe TB |
166 | /* Define DEBUG_ERESTARTSYS to force every syscall to be restarted |
167 | * once. This exercises the codepaths for restart. | |
168 | */ | |
169 | //#define DEBUG_ERESTARTSYS | |
31e31b8a | 170 | |
1a9353d2 | 171 | //#include <linux/msdos_fs.h> |
6556a833 AJ |
172 | #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
173 | #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) | |
1a9353d2 | 174 | |
70a194b9 FB |
175 | #undef _syscall0 |
176 | #undef _syscall1 | |
177 | #undef _syscall2 | |
178 | #undef _syscall3 | |
179 | #undef _syscall4 | |
180 | #undef _syscall5 | |
83fcb515 | 181 | #undef _syscall6 |
70a194b9 | 182 | |
83fcb515 | 183 | #define _syscall0(type,name) \ |
8fcd3692 | 184 | static type name (void) \ |
83fcb515 FB |
185 | { \ |
186 | return syscall(__NR_##name); \ | |
187 | } | |
70a194b9 | 188 | |
83fcb515 | 189 | #define _syscall1(type,name,type1,arg1) \ |
8fcd3692 | 190 | static type name (type1 arg1) \ |
83fcb515 FB |
191 | { \ |
192 | return syscall(__NR_##name, arg1); \ | |
70a194b9 FB |
193 | } |
194 | ||
83fcb515 | 195 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
8fcd3692 | 196 | static type name (type1 arg1,type2 arg2) \ |
83fcb515 FB |
197 | { \ |
198 | return syscall(__NR_##name, arg1, arg2); \ | |
70a194b9 FB |
199 | } |
200 | ||
83fcb515 | 201 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
8fcd3692 | 202 | static type name (type1 arg1,type2 arg2,type3 arg3) \ |
83fcb515 FB |
203 | { \ |
204 | return syscall(__NR_##name, arg1, arg2, arg3); \ | |
70a194b9 FB |
205 | } |
206 | ||
83fcb515 | 207 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
8fcd3692 | 208 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
83fcb515 FB |
209 | { \ |
210 | return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
70a194b9 FB |
211 | } |
212 | ||
83fcb515 FB |
213 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
214 | type5,arg5) \ | |
8fcd3692 | 215 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
83fcb515 FB |
216 | { \ |
217 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
70a194b9 FB |
218 | } |
219 | ||
83fcb515 FB |
220 | |
221 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ | |
222 | type5,arg5,type6,arg6) \ | |
8fcd3692 BS |
223 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ |
224 | type6 arg6) \ | |
83fcb515 FB |
225 | { \ |
226 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
70a194b9 | 227 | } |
83fcb515 | 228 | |
70a194b9 | 229 | |
31e31b8a | 230 | #define __NR_sys_uname __NR_uname |
72f03900 | 231 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 232 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 233 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 234 | #define __NR_sys_getpriority __NR_getpriority |
66fb9763 | 235 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
cf8b8bfc | 236 | #define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo |
7494b0f9 | 237 | #define __NR_sys_syslog __NR_syslog |
bd0c5661 | 238 | #define __NR_sys_futex __NR_futex |
39b59763 AJ |
239 | #define __NR_sys_inotify_init __NR_inotify_init |
240 | #define __NR_sys_inotify_add_watch __NR_inotify_add_watch | |
241 | #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch | |
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 | ||
72f03900 | 252 | #ifdef __NR_gettid |
31e31b8a | 253 | _syscall0(int, gettid) |
72f03900 | 254 | #else |
0da46a6e TS |
255 | /* This is a replacement for the host gettid() and must return a host |
256 | errno. */ | |
72f03900 FB |
257 | static int gettid(void) { |
258 | return -ENOSYS; | |
259 | } | |
260 | #endif | |
2b3f64cb PM |
261 | |
262 | /* For the 64-bit guest on 32-bit host case we must emulate | |
263 | * getdents using getdents64, because otherwise the host | |
264 | * might hand us back more dirent records than we can fit | |
265 | * into the guest buffer after structure format conversion. | |
266 | * Otherwise we emulate getdents with getdents if the host has it. | |
267 | */ | |
268 | #if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS | |
269 | #define EMULATE_GETDENTS_WITH_GETDENTS | |
270 | #endif | |
271 | ||
272 | #if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS) | |
3b3f24ad | 273 | _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
3307e236 | 274 | #endif |
2b3f64cb PM |
275 | #if (defined(TARGET_NR_getdents) && \ |
276 | !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \ | |
3307e236 | 277 | (defined(TARGET_NR_getdents64) && defined(__NR_getdents64)) |
3b3f24ad AJ |
278 | _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
279 | #endif | |
d35b261c | 280 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
3b3f24ad AJ |
281 | _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
282 | loff_t *, res, uint, wh); | |
283 | #endif | |
c1a402a7 | 284 | _syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo) |
cf8b8bfc MS |
285 | _syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig, |
286 | siginfo_t *, uinfo) | |
3b3f24ad | 287 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) |
3b3f24ad AJ |
288 | #ifdef __NR_exit_group |
289 | _syscall1(int,exit_group,int,error_code) | |
290 | #endif | |
291 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) | |
292 | _syscall1(int,set_tid_address,int *,tidptr) | |
293 | #endif | |
3b3f24ad AJ |
294 | #if defined(TARGET_NR_futex) && defined(__NR_futex) |
295 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, | |
296 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
297 | #endif | |
737de1d1 MF |
298 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
299 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
300 | unsigned long *, user_mask_ptr); | |
301 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
302 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
303 | unsigned long *, user_mask_ptr); | |
b827c3ed ST |
304 | #define __NR_sys_getcpu __NR_getcpu |
305 | _syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache); | |
0f6b4d21 AG |
306 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
307 | void *, arg); | |
e0eb210e PM |
308 | _syscall2(int, capget, struct __user_cap_header_struct *, header, |
309 | struct __user_cap_data_struct *, data); | |
310 | _syscall2(int, capset, struct __user_cap_header_struct *, header, | |
311 | struct __user_cap_data_struct *, data); | |
ab31cda3 PB |
312 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
313 | _syscall2(int, ioprio_get, int, which, int, who) | |
314 | #endif | |
315 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
316 | _syscall3(int, ioprio_set, int, which, int, who, int, ioprio) | |
317 | #endif | |
f894efd1 LV |
318 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
319 | _syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags) | |
320 | #endif | |
3b3f24ad | 321 | |
2f14788c LV |
322 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
323 | _syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type, | |
324 | unsigned long, idx1, unsigned long, idx2) | |
325 | #endif | |
326 | ||
3b3f24ad AJ |
327 | static bitmask_transtbl fcntl_flags_tbl[] = { |
328 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, | |
329 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
330 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
331 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
332 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
333 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
334 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
335 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 336 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
337 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
338 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
339 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
340 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
341 | #if defined(O_DIRECT) |
342 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
343 | #endif |
344 | #if defined(O_NOATIME) | |
345 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
346 | #endif | |
347 | #if defined(O_CLOEXEC) | |
348 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
349 | #endif | |
350 | #if defined(O_PATH) | |
351 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
5f9cee46 RV |
352 | #endif |
353 | #if defined(O_TMPFILE) | |
354 | { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE }, | |
afc8763f RH |
355 | #endif |
356 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
357 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
358 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad AJ |
359 | #endif |
360 | { 0, 0, 0, 0 } | |
361 | }; | |
362 | ||
3b3f24ad AJ |
363 | static int sys_getcwd1(char *buf, size_t size) |
364 | { | |
365 | if (getcwd(buf, size) == NULL) { | |
366 | /* getcwd() sets errno */ | |
367 | return (-1); | |
368 | } | |
aaf4ad39 | 369 | return strlen(buf)+1; |
3b3f24ad AJ |
370 | } |
371 | ||
1acae9f2 | 372 | #ifdef TARGET_NR_utimensat |
700fa58e | 373 | #if defined(__NR_utimensat) |
1acae9f2 | 374 | #define __NR_sys_utimensat __NR_utimensat |
9007f0ef TS |
375 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
376 | const struct timespec *,tsp,int,flags) | |
1acae9f2 PM |
377 | #else |
378 | static int sys_utimensat(int dirfd, const char *pathname, | |
379 | const struct timespec times[2], int flags) | |
380 | { | |
381 | errno = ENOSYS; | |
382 | return -1; | |
383 | } | |
9007f0ef | 384 | #endif |
1acae9f2 | 385 | #endif /* TARGET_NR_utimensat */ |
3b3f24ad | 386 | |
95d0307c AS |
387 | #ifdef TARGET_NR_renameat2 |
388 | #if defined(__NR_renameat2) | |
389 | #define __NR_sys_renameat2 __NR_renameat2 | |
390 | _syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd, | |
391 | const char *, new, unsigned int, flags) | |
392 | #else | |
393 | static int sys_renameat2(int oldfd, const char *old, | |
394 | int newfd, const char *new, int flags) | |
395 | { | |
396 | if (flags == 0) { | |
397 | return renameat(oldfd, old, newfd, new); | |
398 | } | |
399 | errno = ENOSYS; | |
400 | return -1; | |
401 | } | |
402 | #endif | |
403 | #endif /* TARGET_NR_renameat2 */ | |
404 | ||
3b3f24ad | 405 | #ifdef CONFIG_INOTIFY |
8690e420 | 406 | #include <sys/inotify.h> |
3b3f24ad | 407 | |
39b59763 | 408 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
3b3f24ad AJ |
409 | static int sys_inotify_init(void) |
410 | { | |
411 | return (inotify_init()); | |
412 | } | |
39b59763 AJ |
413 | #endif |
414 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) | |
3b3f24ad AJ |
415 | static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
416 | { | |
417 | return (inotify_add_watch(fd, pathname, mask)); | |
418 | } | |
39b59763 AJ |
419 | #endif |
420 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) | |
3b3f24ad AJ |
421 | static int sys_inotify_rm_watch(int fd, int32_t wd) |
422 | { | |
8690e420 | 423 | return (inotify_rm_watch(fd, wd)); |
3b3f24ad | 424 | } |
bd0c5661 | 425 | #endif |
c05c7a73 RV |
426 | #ifdef CONFIG_INOTIFY1 |
427 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) | |
428 | static int sys_inotify_init1(int flags) | |
429 | { | |
430 | return (inotify_init1(flags)); | |
431 | } | |
432 | #endif | |
433 | #endif | |
3b3f24ad AJ |
434 | #else |
435 | /* Userspace can usually survive runtime without inotify */ | |
436 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 437 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
438 | #undef TARGET_NR_inotify_add_watch |
439 | #undef TARGET_NR_inotify_rm_watch | |
440 | #endif /* CONFIG_INOTIFY */ | |
441 | ||
163a05a8 PM |
442 | #if defined(TARGET_NR_prlimit64) |
443 | #ifndef __NR_prlimit64 | |
444 | # define __NR_prlimit64 -1 | |
445 | #endif | |
446 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
447 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
448 | struct host_rlimit64 { | |
449 | uint64_t rlim_cur; | |
450 | uint64_t rlim_max; | |
451 | }; | |
452 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
453 | const struct host_rlimit64 *, new_limit, | |
454 | struct host_rlimit64 *, old_limit) | |
455 | #endif | |
456 | ||
f4f1e10a ECL |
457 | |
458 | #if defined(TARGET_NR_timer_create) | |
459 | /* Maxiumum of 32 active POSIX timers allowed at any one time. */ | |
460 | static timer_t g_posix_timers[32] = { 0, } ; | |
461 | ||
462 | static inline int next_free_host_timer(void) | |
463 | { | |
464 | int k ; | |
465 | /* FIXME: Does finding the next free slot require a lock? */ | |
466 | for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) { | |
467 | if (g_posix_timers[k] == 0) { | |
468 | g_posix_timers[k] = (timer_t) 1; | |
469 | return k; | |
470 | } | |
471 | } | |
472 | return -1; | |
473 | } | |
474 | #endif | |
475 | ||
48e515d4 | 476 | /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */ |
4a1def4e | 477 | #ifdef TARGET_ARM |
8bf8e9df JC |
478 | static inline int regpairs_aligned(void *cpu_env, int num) |
479 | { | |
48e515d4 RV |
480 | return ((((CPUARMState *)cpu_env)->eabi) == 1) ; |
481 | } | |
d7779acb | 482 | #elif defined(TARGET_MIPS) && (TARGET_ABI_BITS == 32) |
8bf8e9df | 483 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } |
4a1def4e AG |
484 | #elif defined(TARGET_PPC) && !defined(TARGET_PPC64) |
485 | /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs | |
486 | * of registers which translates to the same as ARM/MIPS, because we start with | |
487 | * r3 as arg1 */ | |
8bf8e9df JC |
488 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } |
489 | #elif defined(TARGET_SH4) | |
490 | /* SH4 doesn't align register pairs, except for p{read,write}64 */ | |
491 | static inline int regpairs_aligned(void *cpu_env, int num) | |
492 | { | |
493 | switch (num) { | |
494 | case TARGET_NR_pread64: | |
495 | case TARGET_NR_pwrite64: | |
496 | return 1; | |
497 | ||
498 | default: | |
499 | return 0; | |
500 | } | |
501 | } | |
ba7651fb MF |
502 | #elif defined(TARGET_XTENSA) |
503 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } | |
48e515d4 | 504 | #else |
8bf8e9df | 505 | static inline int regpairs_aligned(void *cpu_env, int num) { return 0; } |
48e515d4 RV |
506 | #endif |
507 | ||
b92c47c1 TS |
508 | #define ERRNO_TABLE_SIZE 1200 |
509 | ||
510 | /* target_to_host_errno_table[] is initialized from | |
511 | * host_to_target_errno_table[] in syscall_init(). */ | |
512 | static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { | |
513 | }; | |
514 | ||
637947f1 | 515 | /* |
fe8f096b | 516 | * This list is the union of errno values overridden in asm-<arch>/errno.h |
637947f1 TS |
517 | * minus the errnos that are not actually generic to all archs. |
518 | */ | |
b92c47c1 | 519 | static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { |
08703b9f | 520 | [EAGAIN] = TARGET_EAGAIN, |
637947f1 TS |
521 | [EIDRM] = TARGET_EIDRM, |
522 | [ECHRNG] = TARGET_ECHRNG, | |
523 | [EL2NSYNC] = TARGET_EL2NSYNC, | |
524 | [EL3HLT] = TARGET_EL3HLT, | |
525 | [EL3RST] = TARGET_EL3RST, | |
526 | [ELNRNG] = TARGET_ELNRNG, | |
527 | [EUNATCH] = TARGET_EUNATCH, | |
528 | [ENOCSI] = TARGET_ENOCSI, | |
529 | [EL2HLT] = TARGET_EL2HLT, | |
530 | [EDEADLK] = TARGET_EDEADLK, | |
531 | [ENOLCK] = TARGET_ENOLCK, | |
532 | [EBADE] = TARGET_EBADE, | |
533 | [EBADR] = TARGET_EBADR, | |
534 | [EXFULL] = TARGET_EXFULL, | |
535 | [ENOANO] = TARGET_ENOANO, | |
536 | [EBADRQC] = TARGET_EBADRQC, | |
537 | [EBADSLT] = TARGET_EBADSLT, | |
538 | [EBFONT] = TARGET_EBFONT, | |
539 | [ENOSTR] = TARGET_ENOSTR, | |
540 | [ENODATA] = TARGET_ENODATA, | |
541 | [ETIME] = TARGET_ETIME, | |
542 | [ENOSR] = TARGET_ENOSR, | |
543 | [ENONET] = TARGET_ENONET, | |
544 | [ENOPKG] = TARGET_ENOPKG, | |
545 | [EREMOTE] = TARGET_EREMOTE, | |
546 | [ENOLINK] = TARGET_ENOLINK, | |
547 | [EADV] = TARGET_EADV, | |
548 | [ESRMNT] = TARGET_ESRMNT, | |
549 | [ECOMM] = TARGET_ECOMM, | |
550 | [EPROTO] = TARGET_EPROTO, | |
551 | [EDOTDOT] = TARGET_EDOTDOT, | |
552 | [EMULTIHOP] = TARGET_EMULTIHOP, | |
553 | [EBADMSG] = TARGET_EBADMSG, | |
554 | [ENAMETOOLONG] = TARGET_ENAMETOOLONG, | |
555 | [EOVERFLOW] = TARGET_EOVERFLOW, | |
556 | [ENOTUNIQ] = TARGET_ENOTUNIQ, | |
557 | [EBADFD] = TARGET_EBADFD, | |
558 | [EREMCHG] = TARGET_EREMCHG, | |
559 | [ELIBACC] = TARGET_ELIBACC, | |
560 | [ELIBBAD] = TARGET_ELIBBAD, | |
561 | [ELIBSCN] = TARGET_ELIBSCN, | |
562 | [ELIBMAX] = TARGET_ELIBMAX, | |
563 | [ELIBEXEC] = TARGET_ELIBEXEC, | |
564 | [EILSEQ] = TARGET_EILSEQ, | |
565 | [ENOSYS] = TARGET_ENOSYS, | |
566 | [ELOOP] = TARGET_ELOOP, | |
567 | [ERESTART] = TARGET_ERESTART, | |
568 | [ESTRPIPE] = TARGET_ESTRPIPE, | |
569 | [ENOTEMPTY] = TARGET_ENOTEMPTY, | |
570 | [EUSERS] = TARGET_EUSERS, | |
571 | [ENOTSOCK] = TARGET_ENOTSOCK, | |
572 | [EDESTADDRREQ] = TARGET_EDESTADDRREQ, | |
573 | [EMSGSIZE] = TARGET_EMSGSIZE, | |
574 | [EPROTOTYPE] = TARGET_EPROTOTYPE, | |
575 | [ENOPROTOOPT] = TARGET_ENOPROTOOPT, | |
576 | [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, | |
577 | [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, | |
578 | [EOPNOTSUPP] = TARGET_EOPNOTSUPP, | |
579 | [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, | |
580 | [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, | |
581 | [EADDRINUSE] = TARGET_EADDRINUSE, | |
582 | [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, | |
583 | [ENETDOWN] = TARGET_ENETDOWN, | |
584 | [ENETUNREACH] = TARGET_ENETUNREACH, | |
585 | [ENETRESET] = TARGET_ENETRESET, | |
586 | [ECONNABORTED] = TARGET_ECONNABORTED, | |
587 | [ECONNRESET] = TARGET_ECONNRESET, | |
588 | [ENOBUFS] = TARGET_ENOBUFS, | |
589 | [EISCONN] = TARGET_EISCONN, | |
590 | [ENOTCONN] = TARGET_ENOTCONN, | |
591 | [EUCLEAN] = TARGET_EUCLEAN, | |
592 | [ENOTNAM] = TARGET_ENOTNAM, | |
593 | [ENAVAIL] = TARGET_ENAVAIL, | |
594 | [EISNAM] = TARGET_EISNAM, | |
595 | [EREMOTEIO] = TARGET_EREMOTEIO, | |
0444a3b7 | 596 | [EDQUOT] = TARGET_EDQUOT, |
637947f1 TS |
597 | [ESHUTDOWN] = TARGET_ESHUTDOWN, |
598 | [ETOOMANYREFS] = TARGET_ETOOMANYREFS, | |
599 | [ETIMEDOUT] = TARGET_ETIMEDOUT, | |
600 | [ECONNREFUSED] = TARGET_ECONNREFUSED, | |
601 | [EHOSTDOWN] = TARGET_EHOSTDOWN, | |
602 | [EHOSTUNREACH] = TARGET_EHOSTUNREACH, | |
603 | [EALREADY] = TARGET_EALREADY, | |
604 | [EINPROGRESS] = TARGET_EINPROGRESS, | |
605 | [ESTALE] = TARGET_ESTALE, | |
606 | [ECANCELED] = TARGET_ECANCELED, | |
607 | [ENOMEDIUM] = TARGET_ENOMEDIUM, | |
608 | [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, | |
b7fe5db7 | 609 | #ifdef ENOKEY |
637947f1 | 610 | [ENOKEY] = TARGET_ENOKEY, |
b7fe5db7 TS |
611 | #endif |
612 | #ifdef EKEYEXPIRED | |
637947f1 | 613 | [EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
b7fe5db7 TS |
614 | #endif |
615 | #ifdef EKEYREVOKED | |
637947f1 | 616 | [EKEYREVOKED] = TARGET_EKEYREVOKED, |
b7fe5db7 TS |
617 | #endif |
618 | #ifdef EKEYREJECTED | |
637947f1 | 619 | [EKEYREJECTED] = TARGET_EKEYREJECTED, |
b7fe5db7 TS |
620 | #endif |
621 | #ifdef EOWNERDEAD | |
637947f1 | 622 | [EOWNERDEAD] = TARGET_EOWNERDEAD, |
b7fe5db7 TS |
623 | #endif |
624 | #ifdef ENOTRECOVERABLE | |
637947f1 | 625 | [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
b7fe5db7 | 626 | #endif |
da39db63 AM |
627 | #ifdef ENOMSG |
628 | [ENOMSG] = TARGET_ENOMSG, | |
629 | #endif | |
fe8ed7d5 RH |
630 | #ifdef ERKFILL |
631 | [ERFKILL] = TARGET_ERFKILL, | |
632 | #endif | |
633 | #ifdef EHWPOISON | |
634 | [EHWPOISON] = TARGET_EHWPOISON, | |
635 | #endif | |
b92c47c1 | 636 | }; |
637947f1 TS |
637 | |
638 | static inline int host_to_target_errno(int err) | |
639 | { | |
2466119c TB |
640 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
641 | host_to_target_errno_table[err]) { | |
637947f1 | 642 | return host_to_target_errno_table[err]; |
2466119c | 643 | } |
637947f1 TS |
644 | return err; |
645 | } | |
646 | ||
b92c47c1 TS |
647 | static inline int target_to_host_errno(int err) |
648 | { | |
2466119c TB |
649 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
650 | target_to_host_errno_table[err]) { | |
b92c47c1 | 651 | return target_to_host_errno_table[err]; |
2466119c | 652 | } |
b92c47c1 TS |
653 | return err; |
654 | } | |
655 | ||
992f48a0 | 656 | static inline abi_long get_errno(abi_long ret) |
31e31b8a FB |
657 | { |
658 | if (ret == -1) | |
637947f1 | 659 | return -host_to_target_errno(errno); |
31e31b8a FB |
660 | else |
661 | return ret; | |
662 | } | |
663 | ||
7dcdaeaf | 664 | const char *target_strerror(int err) |
b92c47c1 | 665 | { |
da2a34f7 PM |
666 | if (err == TARGET_ERESTARTSYS) { |
667 | return "To be restarted"; | |
668 | } | |
669 | if (err == TARGET_QEMU_ESIGRETURN) { | |
670 | return "Successful exit from sigreturn"; | |
671 | } | |
672 | ||
962b289e AG |
673 | if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
674 | return NULL; | |
675 | } | |
b92c47c1 TS |
676 | return strerror(target_to_host_errno(err)); |
677 | } | |
678 | ||
4d330cee TB |
679 | #define safe_syscall0(type, name) \ |
680 | static type safe_##name(void) \ | |
681 | { \ | |
682 | return safe_syscall(__NR_##name); \ | |
683 | } | |
684 | ||
685 | #define safe_syscall1(type, name, type1, arg1) \ | |
686 | static type safe_##name(type1 arg1) \ | |
687 | { \ | |
688 | return safe_syscall(__NR_##name, arg1); \ | |
689 | } | |
690 | ||
691 | #define safe_syscall2(type, name, type1, arg1, type2, arg2) \ | |
692 | static type safe_##name(type1 arg1, type2 arg2) \ | |
693 | { \ | |
694 | return safe_syscall(__NR_##name, arg1, arg2); \ | |
695 | } | |
696 | ||
697 | #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ | |
698 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \ | |
699 | { \ | |
700 | return safe_syscall(__NR_##name, arg1, arg2, arg3); \ | |
701 | } | |
702 | ||
703 | #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
704 | type4, arg4) \ | |
705 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ | |
706 | { \ | |
707 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
708 | } | |
709 | ||
710 | #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
711 | type4, arg4, type5, arg5) \ | |
712 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
713 | type5 arg5) \ | |
714 | { \ | |
715 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
716 | } | |
717 | ||
718 | #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
719 | type4, arg4, type5, arg5, type6, arg6) \ | |
720 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
721 | type5 arg5, type6 arg6) \ | |
722 | { \ | |
723 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
724 | } | |
725 | ||
50afd02b TB |
726 | safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count) |
727 | safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count) | |
c10a0738 TB |
728 | safe_syscall4(int, openat, int, dirfd, const char *, pathname, \ |
729 | int, flags, mode_t, mode) | |
4af80a37 TB |
730 | safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \ |
731 | struct rusage *, rusage) | |
732 | safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \ | |
733 | int, options, struct rusage *, rusage) | |
ffdcbe22 | 734 | safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp) |
6df9d38d PM |
735 | safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \ |
736 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig) | |
a6130237 PM |
737 | safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds, |
738 | struct timespec *, tsp, const sigset_t *, sigmask, | |
739 | size_t, sigsetsize) | |
227f0214 PM |
740 | safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events, |
741 | int, maxevents, int, timeout, const sigset_t *, sigmask, | |
742 | size_t, sigsetsize) | |
d509eeb1 PM |
743 | safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \ |
744 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
2fe4fba1 | 745 | safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize) |
bef653d9 PM |
746 | safe_syscall2(int, kill, pid_t, pid, int, sig) |
747 | safe_syscall2(int, tkill, int, tid, int, sig) | |
748 | safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig) | |
918c03ed PM |
749 | safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt) |
750 | safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt) | |
0f26386c DJ |
751 | safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt, |
752 | unsigned long, pos_l, unsigned long, pos_h) | |
f8d00fba DJ |
753 | safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt, |
754 | unsigned long, pos_l, unsigned long, pos_h) | |
2a3c7619 PM |
755 | safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr, |
756 | socklen_t, addrlen) | |
66687530 PM |
757 | safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len, |
758 | int, flags, const struct sockaddr *, addr, socklen_t, addrlen) | |
759 | safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len, | |
760 | int, flags, struct sockaddr *, addr, socklen_t *, addrlen) | |
761 | safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags) | |
762 | safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags) | |
2a845989 | 763 | safe_syscall2(int, flock, int, fd, int, operation) |
b3f82330 PM |
764 | safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo, |
765 | const struct timespec *, uts, size_t, sigsetsize) | |
ff6dc130 PM |
766 | safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len, |
767 | int, flags) | |
9e518226 PM |
768 | safe_syscall2(int, nanosleep, const struct timespec *, req, |
769 | struct timespec *, rem) | |
770 | #ifdef TARGET_NR_clock_nanosleep | |
771 | safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags, | |
772 | const struct timespec *, req, struct timespec *, rem) | |
773 | #endif | |
89f9fe44 PM |
774 | #ifdef __NR_msgsnd |
775 | safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz, | |
776 | int, flags) | |
777 | safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz, | |
778 | long, msgtype, int, flags) | |
ffb7ee79 PM |
779 | safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops, |
780 | unsigned, nsops, const struct timespec *, timeout) | |
89f9fe44 PM |
781 | #else |
782 | /* This host kernel architecture uses a single ipc syscall; fake up | |
783 | * wrappers for the sub-operations to hide this implementation detail. | |
784 | * Annoyingly we can't include linux/ipc.h to get the constant definitions | |
785 | * for the call parameter because some structs in there conflict with the | |
786 | * sys/ipc.h ones. So we just define them here, and rely on them being | |
787 | * the same for all host architectures. | |
788 | */ | |
ffb7ee79 | 789 | #define Q_SEMTIMEDOP 4 |
89f9fe44 PM |
790 | #define Q_MSGSND 11 |
791 | #define Q_MSGRCV 12 | |
792 | #define Q_IPCCALL(VERSION, OP) ((VERSION) << 16 | (OP)) | |
793 | ||
794 | safe_syscall6(int, ipc, int, call, long, first, long, second, long, third, | |
795 | void *, ptr, long, fifth) | |
796 | static int safe_msgsnd(int msgid, const void *msgp, size_t sz, int flags) | |
797 | { | |
798 | return safe_ipc(Q_IPCCALL(0, Q_MSGSND), msgid, sz, flags, (void *)msgp, 0); | |
799 | } | |
800 | static int safe_msgrcv(int msgid, void *msgp, size_t sz, long type, int flags) | |
801 | { | |
802 | return safe_ipc(Q_IPCCALL(1, Q_MSGRCV), msgid, sz, flags, msgp, type); | |
803 | } | |
ffb7ee79 PM |
804 | static int safe_semtimedop(int semid, struct sembuf *tsops, unsigned nsops, |
805 | const struct timespec *timeout) | |
806 | { | |
807 | return safe_ipc(Q_IPCCALL(0, Q_SEMTIMEDOP), semid, nsops, 0, tsops, | |
808 | (long)timeout); | |
809 | } | |
89f9fe44 | 810 | #endif |
d40ecd66 PM |
811 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
812 | safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr, | |
813 | size_t, len, unsigned, prio, const struct timespec *, timeout) | |
814 | safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr, | |
815 | size_t, len, unsigned *, prio, const struct timespec *, timeout) | |
816 | #endif | |
49ca6f3e PM |
817 | /* We do ioctl like this rather than via safe_syscall3 to preserve the |
818 | * "third argument might be integer or pointer or not present" behaviour of | |
819 | * the libc function. | |
820 | */ | |
821 | #define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__) | |
435da5e7 PM |
822 | /* Similarly for fcntl. Note that callers must always: |
823 | * pass the F_GETLK64 etc constants rather than the unsuffixed F_GETLK | |
824 | * use the flock64 struct rather than unsuffixed flock | |
825 | * This will then work and use a 64-bit offset for both 32-bit and 64-bit hosts. | |
826 | */ | |
827 | #ifdef __NR_fcntl64 | |
828 | #define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__) | |
829 | #else | |
830 | #define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__) | |
831 | #endif | |
50afd02b | 832 | |
8289d112 PB |
833 | static inline int host_to_target_sock_type(int host_type) |
834 | { | |
835 | int target_type; | |
836 | ||
837 | switch (host_type & 0xf /* SOCK_TYPE_MASK */) { | |
838 | case SOCK_DGRAM: | |
839 | target_type = TARGET_SOCK_DGRAM; | |
840 | break; | |
841 | case SOCK_STREAM: | |
842 | target_type = TARGET_SOCK_STREAM; | |
843 | break; | |
844 | default: | |
845 | target_type = host_type & 0xf /* SOCK_TYPE_MASK */; | |
846 | break; | |
847 | } | |
848 | ||
849 | #if defined(SOCK_CLOEXEC) | |
850 | if (host_type & SOCK_CLOEXEC) { | |
851 | target_type |= TARGET_SOCK_CLOEXEC; | |
852 | } | |
853 | #endif | |
854 | ||
855 | #if defined(SOCK_NONBLOCK) | |
856 | if (host_type & SOCK_NONBLOCK) { | |
857 | target_type |= TARGET_SOCK_NONBLOCK; | |
858 | } | |
859 | #endif | |
860 | ||
861 | return target_type; | |
862 | } | |
863 | ||
992f48a0 BS |
864 | static abi_ulong target_brk; |
865 | static abi_ulong target_original_brk; | |
4d1de87c | 866 | static abi_ulong brk_page; |
31e31b8a | 867 | |
992f48a0 | 868 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 869 | { |
4c1de73d | 870 | target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
4d1de87c | 871 | brk_page = HOST_PAGE_ALIGN(target_brk); |
31e31b8a FB |
872 | } |
873 | ||
4d1de87c CV |
874 | //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0) |
875 | #define DEBUGF_BRK(message, args...) | |
876 | ||
0da46a6e | 877 | /* do_brk() must return target values and target errnos. */ |
992f48a0 | 878 | abi_long do_brk(abi_ulong new_brk) |
31e31b8a | 879 | { |
992f48a0 | 880 | abi_long mapped_addr; |
ef4330c2 | 881 | abi_ulong new_alloc_size; |
31e31b8a | 882 | |
3a0c6c4a | 883 | DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
4d1de87c CV |
884 | |
885 | if (!new_brk) { | |
3a0c6c4a | 886 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk); |
53a5960a | 887 | return target_brk; |
4d1de87c CV |
888 | } |
889 | if (new_brk < target_original_brk) { | |
3a0c6c4a PB |
890 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n", |
891 | target_brk); | |
7ab240ad | 892 | return target_brk; |
4d1de87c | 893 | } |
3b46e624 | 894 | |
4d1de87c CV |
895 | /* If the new brk is less than the highest page reserved to the |
896 | * target heap allocation, set it and we're almost done... */ | |
897 | if (new_brk <= brk_page) { | |
898 | /* Heap contents are initialized to zero, as for anonymous | |
899 | * mapped pages. */ | |
900 | if (new_brk > target_brk) { | |
901 | memset(g2h(target_brk), 0, new_brk - target_brk); | |
902 | } | |
31e31b8a | 903 | target_brk = new_brk; |
3a0c6c4a | 904 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk); |
72e21db7 | 905 | return target_brk; |
31e31b8a FB |
906 | } |
907 | ||
00faf08c PM |
908 | /* We need to allocate more memory after the brk... Note that |
909 | * we don't use MAP_FIXED because that will map over the top of | |
910 | * any existing mapping (like the one with the host libc or qemu | |
911 | * itself); instead we treat "mapped but at wrong address" as | |
912 | * a failure and unmap again. | |
913 | */ | |
4d1de87c | 914 | new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
5fafdf24 | 915 | mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
54936004 | 916 | PROT_READ|PROT_WRITE, |
00faf08c PM |
917 | MAP_ANON|MAP_PRIVATE, 0, 0)); |
918 | ||
919 | if (mapped_addr == brk_page) { | |
70afc343 CV |
920 | /* Heap contents are initialized to zero, as for anonymous |
921 | * mapped pages. Technically the new pages are already | |
922 | * initialized to zero since they *are* anonymous mapped | |
923 | * pages, however we have to take care with the contents that | |
924 | * come from the remaining part of the previous page: it may | |
925 | * contains garbage data due to a previous heap usage (grown | |
926 | * then shrunken). */ | |
927 | memset(g2h(target_brk), 0, brk_page - target_brk); | |
928 | ||
00faf08c | 929 | target_brk = new_brk; |
4d1de87c | 930 | brk_page = HOST_PAGE_ALIGN(target_brk); |
3a0c6c4a PB |
931 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n", |
932 | target_brk); | |
00faf08c PM |
933 | return target_brk; |
934 | } else if (mapped_addr != -1) { | |
935 | /* Mapped but at wrong address, meaning there wasn't actually | |
936 | * enough space for this brk. | |
937 | */ | |
938 | target_munmap(mapped_addr, new_alloc_size); | |
939 | mapped_addr = -1; | |
3a0c6c4a | 940 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk); |
4d1de87c CV |
941 | } |
942 | else { | |
3a0c6c4a | 943 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk); |
00faf08c | 944 | } |
7ab240ad | 945 | |
7dd46c02 RH |
946 | #if defined(TARGET_ALPHA) |
947 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
948 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 949 | return -TARGET_ENOMEM; |
7dd46c02 | 950 | #endif |
00faf08c | 951 | /* For everything else, return the previous break. */ |
7ab240ad | 952 | return target_brk; |
31e31b8a FB |
953 | } |
954 | ||
26edcf41 TS |
955 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
956 | abi_ulong target_fds_addr, | |
957 | int n) | |
31e31b8a | 958 | { |
26edcf41 TS |
959 | int i, nw, j, k; |
960 | abi_ulong b, *target_fds; | |
961 | ||
b1b2db29 | 962 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
963 | if (!(target_fds = lock_user(VERIFY_READ, |
964 | target_fds_addr, | |
965 | sizeof(abi_ulong) * nw, | |
966 | 1))) | |
967 | return -TARGET_EFAULT; | |
968 | ||
969 | FD_ZERO(fds); | |
970 | k = 0; | |
971 | for (i = 0; i < nw; i++) { | |
972 | /* grab the abi_ulong */ | |
973 | __get_user(b, &target_fds[i]); | |
974 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
975 | /* check the bit inside the abi_ulong */ | |
976 | if ((b >> j) & 1) | |
977 | FD_SET(k, fds); | |
978 | k++; | |
31e31b8a | 979 | } |
31e31b8a | 980 | } |
26edcf41 TS |
981 | |
982 | unlock_user(target_fds, target_fds_addr, 0); | |
983 | ||
984 | return 0; | |
31e31b8a FB |
985 | } |
986 | ||
055e0906 MF |
987 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
988 | abi_ulong target_fds_addr, | |
989 | int n) | |
990 | { | |
991 | if (target_fds_addr) { | |
992 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
993 | return -TARGET_EFAULT; | |
994 | *fds_ptr = fds; | |
995 | } else { | |
996 | *fds_ptr = NULL; | |
997 | } | |
998 | return 0; | |
999 | } | |
1000 | ||
26edcf41 TS |
1001 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
1002 | const fd_set *fds, | |
1003 | int n) | |
31e31b8a | 1004 | { |
31e31b8a | 1005 | int i, nw, j, k; |
992f48a0 | 1006 | abi_long v; |
26edcf41 | 1007 | abi_ulong *target_fds; |
31e31b8a | 1008 | |
b1b2db29 | 1009 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
1010 | if (!(target_fds = lock_user(VERIFY_WRITE, |
1011 | target_fds_addr, | |
1012 | sizeof(abi_ulong) * nw, | |
1013 | 0))) | |
1014 | return -TARGET_EFAULT; | |
1015 | ||
1016 | k = 0; | |
1017 | for (i = 0; i < nw; i++) { | |
1018 | v = 0; | |
1019 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
9ab709be | 1020 | v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j); |
26edcf41 | 1021 | k++; |
31e31b8a | 1022 | } |
26edcf41 | 1023 | __put_user(v, &target_fds[i]); |
31e31b8a | 1024 | } |
26edcf41 TS |
1025 | |
1026 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
1027 | ||
1028 | return 0; | |
31e31b8a FB |
1029 | } |
1030 | ||
c596ed17 FB |
1031 | #if defined(__alpha__) |
1032 | #define HOST_HZ 1024 | |
1033 | #else | |
1034 | #define HOST_HZ 100 | |
1035 | #endif | |
1036 | ||
992f48a0 | 1037 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
1038 | { |
1039 | #if HOST_HZ == TARGET_HZ | |
1040 | return ticks; | |
1041 | #else | |
1042 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
1043 | #endif | |
1044 | } | |
1045 | ||
579a97f7 FB |
1046 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
1047 | const struct rusage *rusage) | |
b409186b | 1048 | { |
53a5960a PB |
1049 | struct target_rusage *target_rusage; |
1050 | ||
579a97f7 FB |
1051 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
1052 | return -TARGET_EFAULT; | |
cbb21eed MB |
1053 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
1054 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
1055 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
1056 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
1057 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
1058 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
1059 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
1060 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
1061 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
1062 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
1063 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
1064 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
1065 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
1066 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
1067 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
1068 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
1069 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
1070 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 1071 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
1072 | |
1073 | return 0; | |
b409186b FB |
1074 | } |
1075 | ||
cbb21eed | 1076 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 1077 | { |
cbb21eed | 1078 | abi_ulong target_rlim_swap; |
95b33b2f WT |
1079 | rlim_t result; |
1080 | ||
cbb21eed MB |
1081 | target_rlim_swap = tswapal(target_rlim); |
1082 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
1083 | return RLIM_INFINITY; | |
1084 | ||
1085 | result = target_rlim_swap; | |
1086 | if (target_rlim_swap != (rlim_t)result) | |
1087 | return RLIM_INFINITY; | |
95b33b2f WT |
1088 | |
1089 | return result; | |
81bbe906 TY |
1090 | } |
1091 | ||
cbb21eed | 1092 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 1093 | { |
cbb21eed MB |
1094 | abi_ulong target_rlim_swap; |
1095 | abi_ulong result; | |
95b33b2f | 1096 | |
cbb21eed | 1097 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 1098 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 1099 | else |
95b33b2f | 1100 | target_rlim_swap = rlim; |
cbb21eed | 1101 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
1102 | |
1103 | return result; | |
81bbe906 TY |
1104 | } |
1105 | ||
e22b7015 WT |
1106 | static inline int target_to_host_resource(int code) |
1107 | { | |
1108 | switch (code) { | |
1109 | case TARGET_RLIMIT_AS: | |
1110 | return RLIMIT_AS; | |
1111 | case TARGET_RLIMIT_CORE: | |
1112 | return RLIMIT_CORE; | |
1113 | case TARGET_RLIMIT_CPU: | |
1114 | return RLIMIT_CPU; | |
1115 | case TARGET_RLIMIT_DATA: | |
1116 | return RLIMIT_DATA; | |
1117 | case TARGET_RLIMIT_FSIZE: | |
1118 | return RLIMIT_FSIZE; | |
1119 | case TARGET_RLIMIT_LOCKS: | |
1120 | return RLIMIT_LOCKS; | |
1121 | case TARGET_RLIMIT_MEMLOCK: | |
1122 | return RLIMIT_MEMLOCK; | |
1123 | case TARGET_RLIMIT_MSGQUEUE: | |
1124 | return RLIMIT_MSGQUEUE; | |
1125 | case TARGET_RLIMIT_NICE: | |
1126 | return RLIMIT_NICE; | |
1127 | case TARGET_RLIMIT_NOFILE: | |
1128 | return RLIMIT_NOFILE; | |
1129 | case TARGET_RLIMIT_NPROC: | |
1130 | return RLIMIT_NPROC; | |
1131 | case TARGET_RLIMIT_RSS: | |
1132 | return RLIMIT_RSS; | |
1133 | case TARGET_RLIMIT_RTPRIO: | |
1134 | return RLIMIT_RTPRIO; | |
1135 | case TARGET_RLIMIT_SIGPENDING: | |
1136 | return RLIMIT_SIGPENDING; | |
1137 | case TARGET_RLIMIT_STACK: | |
1138 | return RLIMIT_STACK; | |
1139 | default: | |
1140 | return code; | |
1141 | } | |
1142 | } | |
1143 | ||
788f5ec4 TS |
1144 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
1145 | abi_ulong target_tv_addr) | |
31e31b8a | 1146 | { |
53a5960a PB |
1147 | struct target_timeval *target_tv; |
1148 | ||
788f5ec4 | 1149 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
579a97f7 | 1150 | return -TARGET_EFAULT; |
788f5ec4 TS |
1151 | |
1152 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1153 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1154 | ||
1155 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
1156 | |
1157 | return 0; | |
31e31b8a FB |
1158 | } |
1159 | ||
788f5ec4 TS |
1160 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
1161 | const struct timeval *tv) | |
31e31b8a | 1162 | { |
53a5960a PB |
1163 | struct target_timeval *target_tv; |
1164 | ||
788f5ec4 | 1165 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
579a97f7 | 1166 | return -TARGET_EFAULT; |
788f5ec4 TS |
1167 | |
1168 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1169 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1170 | ||
1171 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
1172 | |
1173 | return 0; | |
31e31b8a FB |
1174 | } |
1175 | ||
ef4467e9 PB |
1176 | static inline abi_long copy_from_user_timezone(struct timezone *tz, |
1177 | abi_ulong target_tz_addr) | |
1178 | { | |
1179 | struct target_timezone *target_tz; | |
1180 | ||
1181 | if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) { | |
1182 | return -TARGET_EFAULT; | |
1183 | } | |
1184 | ||
1185 | __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1186 | __get_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1187 | ||
1188 | unlock_user_struct(target_tz, target_tz_addr, 0); | |
1189 | ||
1190 | return 0; | |
1191 | } | |
1192 | ||
8ec9cf89 NF |
1193 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
1194 | #include <mqueue.h> | |
1195 | ||
24e1003a AJ |
1196 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
1197 | abi_ulong target_mq_attr_addr) | |
1198 | { | |
1199 | struct target_mq_attr *target_mq_attr; | |
1200 | ||
1201 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
1202 | target_mq_attr_addr, 1)) | |
1203 | return -TARGET_EFAULT; | |
1204 | ||
1205 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1206 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1207 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1208 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1209 | ||
1210 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
1211 | ||
1212 | return 0; | |
1213 | } | |
1214 | ||
1215 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
1216 | const struct mq_attr *attr) | |
1217 | { | |
1218 | struct target_mq_attr *target_mq_attr; | |
1219 | ||
1220 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
1221 | target_mq_attr_addr, 0)) | |
1222 | return -TARGET_EFAULT; | |
1223 | ||
1224 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1225 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1226 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1227 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1228 | ||
1229 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
1230 | ||
1231 | return 0; | |
1232 | } | |
8ec9cf89 | 1233 | #endif |
31e31b8a | 1234 | |
055e0906 | 1235 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 1236 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 1237 | static abi_long do_select(int n, |
26edcf41 TS |
1238 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
1239 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
1240 | { |
1241 | fd_set rfds, wfds, efds; | |
1242 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6df9d38d PM |
1243 | struct timeval tv; |
1244 | struct timespec ts, *ts_ptr; | |
992f48a0 | 1245 | abi_long ret; |
31e31b8a | 1246 | |
055e0906 MF |
1247 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
1248 | if (ret) { | |
1249 | return ret; | |
53a5960a | 1250 | } |
055e0906 MF |
1251 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
1252 | if (ret) { | |
1253 | return ret; | |
53a5960a | 1254 | } |
055e0906 MF |
1255 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
1256 | if (ret) { | |
1257 | return ret; | |
53a5960a | 1258 | } |
3b46e624 | 1259 | |
26edcf41 | 1260 | if (target_tv_addr) { |
788f5ec4 TS |
1261 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
1262 | return -TARGET_EFAULT; | |
6df9d38d PM |
1263 | ts.tv_sec = tv.tv_sec; |
1264 | ts.tv_nsec = tv.tv_usec * 1000; | |
1265 | ts_ptr = &ts; | |
31e31b8a | 1266 | } else { |
6df9d38d | 1267 | ts_ptr = NULL; |
31e31b8a | 1268 | } |
26edcf41 | 1269 | |
6df9d38d PM |
1270 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
1271 | ts_ptr, NULL)); | |
53a5960a | 1272 | |
26edcf41 TS |
1273 | if (!is_error(ret)) { |
1274 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
1275 | return -TARGET_EFAULT; | |
1276 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
1277 | return -TARGET_EFAULT; | |
1278 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
1279 | return -TARGET_EFAULT; | |
31e31b8a | 1280 | |
6df9d38d PM |
1281 | if (target_tv_addr) { |
1282 | tv.tv_sec = ts.tv_sec; | |
1283 | tv.tv_usec = ts.tv_nsec / 1000; | |
1284 | if (copy_to_user_timeval(target_tv_addr, &tv)) { | |
1285 | return -TARGET_EFAULT; | |
1286 | } | |
1287 | } | |
31e31b8a | 1288 | } |
579a97f7 | 1289 | |
31e31b8a FB |
1290 | return ret; |
1291 | } | |
5457dc9e LV |
1292 | |
1293 | #if defined(TARGET_WANT_OLD_SYS_SELECT) | |
1294 | static abi_long do_old_select(abi_ulong arg1) | |
1295 | { | |
1296 | struct target_sel_arg_struct *sel; | |
1297 | abi_ulong inp, outp, exp, tvp; | |
1298 | long nsel; | |
1299 | ||
1300 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) { | |
1301 | return -TARGET_EFAULT; | |
1302 | } | |
1303 | ||
1304 | nsel = tswapal(sel->n); | |
1305 | inp = tswapal(sel->inp); | |
1306 | outp = tswapal(sel->outp); | |
1307 | exp = tswapal(sel->exp); | |
1308 | tvp = tswapal(sel->tvp); | |
1309 | ||
1310 | unlock_user_struct(sel, arg1, 0); | |
1311 | ||
1312 | return do_select(nsel, inp, outp, exp, tvp); | |
1313 | } | |
1314 | #endif | |
055e0906 | 1315 | #endif |
31e31b8a | 1316 | |
099d6b0f RV |
1317 | static abi_long do_pipe2(int host_pipe[], int flags) |
1318 | { | |
1319 | #ifdef CONFIG_PIPE2 | |
1320 | return pipe2(host_pipe, flags); | |
1321 | #else | |
1322 | return -ENOSYS; | |
1323 | #endif | |
1324 | } | |
1325 | ||
fb41a66e RH |
1326 | static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
1327 | int flags, int is_pipe2) | |
099d6b0f RV |
1328 | { |
1329 | int host_pipe[2]; | |
1330 | abi_long ret; | |
1331 | ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); | |
1332 | ||
1333 | if (is_error(ret)) | |
1334 | return get_errno(ret); | |
fb41a66e RH |
1335 | |
1336 | /* Several targets have special calling conventions for the original | |
1337 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1338 | if (!is_pipe2) { | |
1339 | #if defined(TARGET_ALPHA) | |
1340 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1]; | |
1341 | return host_pipe[0]; | |
1342 | #elif defined(TARGET_MIPS) | |
1343 | ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; | |
1344 | return host_pipe[0]; | |
1345 | #elif defined(TARGET_SH4) | |
597c0212 | 1346 | ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
fb41a66e | 1347 | return host_pipe[0]; |
82f05b69 PM |
1348 | #elif defined(TARGET_SPARC) |
1349 | ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1]; | |
1350 | return host_pipe[0]; | |
597c0212 | 1351 | #endif |
fb41a66e RH |
1352 | } |
1353 | ||
099d6b0f RV |
1354 | if (put_user_s32(host_pipe[0], pipedes) |
1355 | || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) | |
1356 | return -TARGET_EFAULT; | |
099d6b0f RV |
1357 | return get_errno(ret); |
1358 | } | |
1359 | ||
b975b83b LL |
1360 | static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1361 | abi_ulong target_addr, | |
1362 | socklen_t len) | |
1363 | { | |
1364 | struct target_ip_mreqn *target_smreqn; | |
1365 | ||
1366 | target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); | |
1367 | if (!target_smreqn) | |
1368 | return -TARGET_EFAULT; | |
1369 | mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
1370 | mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
1371 | if (len == sizeof(struct target_ip_mreqn)) | |
cbb21eed | 1372 | mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
b975b83b LL |
1373 | unlock_user(target_smreqn, target_addr, 0); |
1374 | ||
1375 | return 0; | |
1376 | } | |
1377 | ||
7b36f782 | 1378 | static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr, |
579a97f7 FB |
1379 | abi_ulong target_addr, |
1380 | socklen_t len) | |
7854b056 | 1381 | { |
607175e0 AJ |
1382 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1383 | sa_family_t sa_family; | |
53a5960a PB |
1384 | struct target_sockaddr *target_saddr; |
1385 | ||
7b36f782 LV |
1386 | if (fd_trans_target_to_host_addr(fd)) { |
1387 | return fd_trans_target_to_host_addr(fd)(addr, target_addr, len); | |
1388 | } | |
1389 | ||
579a97f7 FB |
1390 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1391 | if (!target_saddr) | |
1392 | return -TARGET_EFAULT; | |
607175e0 AJ |
1393 | |
1394 | sa_family = tswap16(target_saddr->sa_family); | |
1395 | ||
1396 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1397 | * must be terminated by \0 (see the manual page), but | |
1398 | * unfortunately it is quite common to specify sockaddr_un | |
1399 | * length as "strlen(x->sun_path)" while it should be | |
1400 | * "strlen(...) + 1". We'll fix that here if needed. | |
1401 | * Linux kernel has a similar feature. | |
1402 | */ | |
1403 | ||
1404 | if (sa_family == AF_UNIX) { | |
1405 | if (len < unix_maxlen && len > 0) { | |
1406 | char *cp = (char*)target_saddr; | |
1407 | ||
1408 | if ( cp[len-1] && !cp[len] ) | |
1409 | len++; | |
1410 | } | |
1411 | if (len > unix_maxlen) | |
1412 | len = unix_maxlen; | |
1413 | } | |
1414 | ||
53a5960a | 1415 | memcpy(addr, target_saddr, len); |
607175e0 | 1416 | addr->sa_family = sa_family; |
6c5b5645 LV |
1417 | if (sa_family == AF_NETLINK) { |
1418 | struct sockaddr_nl *nladdr; | |
1419 | ||
1420 | nladdr = (struct sockaddr_nl *)addr; | |
1421 | nladdr->nl_pid = tswap32(nladdr->nl_pid); | |
1422 | nladdr->nl_groups = tswap32(nladdr->nl_groups); | |
1423 | } else if (sa_family == AF_PACKET) { | |
33a29b51 JT |
1424 | struct target_sockaddr_ll *lladdr; |
1425 | ||
1426 | lladdr = (struct target_sockaddr_ll *)addr; | |
1427 | lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex); | |
1428 | lladdr->sll_hatype = tswap16(lladdr->sll_hatype); | |
1429 | } | |
53a5960a | 1430 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1431 | |
1432 | return 0; | |
7854b056 FB |
1433 | } |
1434 | ||
579a97f7 FB |
1435 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1436 | struct sockaddr *addr, | |
1437 | socklen_t len) | |
7854b056 | 1438 | { |
53a5960a PB |
1439 | struct target_sockaddr *target_saddr; |
1440 | ||
a1e22192 PM |
1441 | if (len == 0) { |
1442 | return 0; | |
1443 | } | |
6860710c | 1444 | assert(addr); |
a1e22192 | 1445 | |
579a97f7 FB |
1446 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1447 | if (!target_saddr) | |
1448 | return -TARGET_EFAULT; | |
53a5960a | 1449 | memcpy(target_saddr, addr, len); |
a1e22192 PM |
1450 | if (len >= offsetof(struct target_sockaddr, sa_family) + |
1451 | sizeof(target_saddr->sa_family)) { | |
1452 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1453 | } | |
1454 | if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) { | |
6c5b5645 LV |
1455 | struct sockaddr_nl *target_nl = (struct sockaddr_nl *)target_saddr; |
1456 | target_nl->nl_pid = tswap32(target_nl->nl_pid); | |
1457 | target_nl->nl_groups = tswap32(target_nl->nl_groups); | |
a82ea939 LV |
1458 | } else if (addr->sa_family == AF_PACKET) { |
1459 | struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr; | |
1460 | target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex); | |
1461 | target_ll->sll_hatype = tswap16(target_ll->sll_hatype); | |
ee1ac3a1 HD |
1462 | } else if (addr->sa_family == AF_INET6 && |
1463 | len >= sizeof(struct target_sockaddr_in6)) { | |
1464 | struct target_sockaddr_in6 *target_in6 = | |
1465 | (struct target_sockaddr_in6 *)target_saddr; | |
1466 | target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id); | |
6c5b5645 | 1467 | } |
53a5960a | 1468 | unlock_user(target_saddr, target_addr, len); |
579a97f7 FB |
1469 | |
1470 | return 0; | |
7854b056 FB |
1471 | } |
1472 | ||
5a4a898d FB |
1473 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1474 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1475 | { |
1476 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1477 | abi_long msg_controllen; |
1478 | abi_ulong target_cmsg_addr; | |
ee104587 | 1479 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 | 1480 | socklen_t space = 0; |
5a4a898d | 1481 | |
cbb21eed | 1482 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1483 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1484 | goto the_end; | |
cbb21eed | 1485 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1486 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
ee104587 | 1487 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1488 | if (!target_cmsg) |
1489 | return -TARGET_EFAULT; | |
7854b056 FB |
1490 | |
1491 | while (cmsg && target_cmsg) { | |
1492 | void *data = CMSG_DATA(cmsg); | |
1493 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1494 | ||
cbb21eed | 1495 | int len = tswapal(target_cmsg->cmsg_len) |
ad762b99 | 1496 | - sizeof(struct target_cmsghdr); |
7854b056 FB |
1497 | |
1498 | space += CMSG_SPACE(len); | |
1499 | if (space > msgh->msg_controllen) { | |
1500 | space -= CMSG_SPACE(len); | |
c2aeb258 PM |
1501 | /* This is a QEMU bug, since we allocated the payload |
1502 | * area ourselves (unlike overflow in host-to-target | |
1503 | * conversion, which is just the guest giving us a buffer | |
1504 | * that's too small). It can't happen for the payload types | |
1505 | * we currently support; if it becomes an issue in future | |
1506 | * we would need to improve our allocation strategy to | |
1507 | * something more intelligent than "twice the size of the | |
1508 | * target buffer we're reading from". | |
1509 | */ | |
31febb71 | 1510 | gemu_log("Host cmsg overflow\n"); |
7854b056 FB |
1511 | break; |
1512 | } | |
1513 | ||
dbf4f796 PJ |
1514 | if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) { |
1515 | cmsg->cmsg_level = SOL_SOCKET; | |
1516 | } else { | |
1517 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1518 | } | |
7854b056 FB |
1519 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1520 | cmsg->cmsg_len = CMSG_LEN(len); | |
1521 | ||
30b8b68e | 1522 | if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { |
7854b056 FB |
1523 | int *fd = (int *)data; |
1524 | int *target_fd = (int *)target_data; | |
1525 | int i, numfds = len / sizeof(int); | |
1526 | ||
876e23cb PM |
1527 | for (i = 0; i < numfds; i++) { |
1528 | __get_user(fd[i], target_fd + i); | |
1529 | } | |
30b8b68e AS |
1530 | } else if (cmsg->cmsg_level == SOL_SOCKET |
1531 | && cmsg->cmsg_type == SCM_CREDENTIALS) { | |
1532 | struct ucred *cred = (struct ucred *)data; | |
1533 | struct target_ucred *target_cred = | |
1534 | (struct target_ucred *)target_data; | |
1535 | ||
876e23cb PM |
1536 | __get_user(cred->pid, &target_cred->pid); |
1537 | __get_user(cred->uid, &target_cred->uid); | |
1538 | __get_user(cred->gid, &target_cred->gid); | |
30b8b68e AS |
1539 | } else { |
1540 | gemu_log("Unsupported ancillary data: %d/%d\n", | |
1541 | cmsg->cmsg_level, cmsg->cmsg_type); | |
1542 | memcpy(data, target_data, len); | |
7854b056 FB |
1543 | } |
1544 | ||
1545 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
ee104587 JN |
1546 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1547 | target_cmsg_start); | |
7854b056 | 1548 | } |
5a4a898d FB |
1549 | unlock_user(target_cmsg, target_cmsg_addr, 0); |
1550 | the_end: | |
7854b056 | 1551 | msgh->msg_controllen = space; |
5a4a898d | 1552 | return 0; |
7854b056 FB |
1553 | } |
1554 | ||
5a4a898d FB |
1555 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1556 | struct msghdr *msgh) | |
7854b056 FB |
1557 | { |
1558 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1559 | abi_long msg_controllen; |
1560 | abi_ulong target_cmsg_addr; | |
ee104587 | 1561 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 FB |
1562 | socklen_t space = 0; |
1563 | ||
cbb21eed | 1564 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1565 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1566 | goto the_end; | |
cbb21eed | 1567 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1568 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
ee104587 | 1569 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1570 | if (!target_cmsg) |
1571 | return -TARGET_EFAULT; | |
1572 | ||
7854b056 FB |
1573 | while (cmsg && target_cmsg) { |
1574 | void *data = CMSG_DATA(cmsg); | |
1575 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1576 | ||
ad762b99 | 1577 | int len = cmsg->cmsg_len - sizeof(struct cmsghdr); |
c2aeb258 | 1578 | int tgt_len, tgt_space; |
7854b056 | 1579 | |
c2aeb258 PM |
1580 | /* We never copy a half-header but may copy half-data; |
1581 | * this is Linux's behaviour in put_cmsg(). Note that | |
1582 | * truncation here is a guest problem (which we report | |
1583 | * to the guest via the CTRUNC bit), unlike truncation | |
1584 | * in target_to_host_cmsg, which is a QEMU bug. | |
1585 | */ | |
7174970a | 1586 | if (msg_controllen < sizeof(struct target_cmsghdr)) { |
c2aeb258 | 1587 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7854b056 FB |
1588 | break; |
1589 | } | |
1590 | ||
dbf4f796 PJ |
1591 | if (cmsg->cmsg_level == SOL_SOCKET) { |
1592 | target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); | |
1593 | } else { | |
1594 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1595 | } | |
7854b056 | 1596 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
7854b056 | 1597 | |
c2aeb258 PM |
1598 | /* Payload types which need a different size of payload on |
1599 | * the target must adjust tgt_len here. | |
1600 | */ | |
309786cf | 1601 | tgt_len = len; |
c2aeb258 PM |
1602 | switch (cmsg->cmsg_level) { |
1603 | case SOL_SOCKET: | |
1604 | switch (cmsg->cmsg_type) { | |
1605 | case SO_TIMESTAMP: | |
1606 | tgt_len = sizeof(struct target_timeval); | |
1607 | break; | |
1608 | default: | |
1609 | break; | |
1610 | } | |
309786cf | 1611 | break; |
c2aeb258 PM |
1612 | default: |
1613 | break; | |
1614 | } | |
1615 | ||
7174970a | 1616 | if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) { |
c2aeb258 | 1617 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7174970a | 1618 | tgt_len = msg_controllen - sizeof(struct target_cmsghdr); |
c2aeb258 PM |
1619 | } |
1620 | ||
1621 | /* We must now copy-and-convert len bytes of payload | |
1622 | * into tgt_len bytes of destination space. Bear in mind | |
1623 | * that in both source and destination we may be dealing | |
1624 | * with a truncated value! | |
1625 | */ | |
52b65494 HD |
1626 | switch (cmsg->cmsg_level) { |
1627 | case SOL_SOCKET: | |
1628 | switch (cmsg->cmsg_type) { | |
1629 | case SCM_RIGHTS: | |
1630 | { | |
1631 | int *fd = (int *)data; | |
1632 | int *target_fd = (int *)target_data; | |
c2aeb258 | 1633 | int i, numfds = tgt_len / sizeof(int); |
52b65494 | 1634 | |
876e23cb PM |
1635 | for (i = 0; i < numfds; i++) { |
1636 | __put_user(fd[i], target_fd + i); | |
1637 | } | |
52b65494 HD |
1638 | break; |
1639 | } | |
1640 | case SO_TIMESTAMP: | |
1641 | { | |
1642 | struct timeval *tv = (struct timeval *)data; | |
1643 | struct target_timeval *target_tv = | |
1644 | (struct target_timeval *)target_data; | |
1645 | ||
c2aeb258 PM |
1646 | if (len != sizeof(struct timeval) || |
1647 | tgt_len != sizeof(struct target_timeval)) { | |
52b65494 | 1648 | goto unimplemented; |
c2aeb258 | 1649 | } |
52b65494 HD |
1650 | |
1651 | /* copy struct timeval to target */ | |
876e23cb PM |
1652 | __put_user(tv->tv_sec, &target_tv->tv_sec); |
1653 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
52b65494 HD |
1654 | break; |
1655 | } | |
4bc29756 HD |
1656 | case SCM_CREDENTIALS: |
1657 | { | |
1658 | struct ucred *cred = (struct ucred *)data; | |
1659 | struct target_ucred *target_cred = | |
1660 | (struct target_ucred *)target_data; | |
1661 | ||
1662 | __put_user(cred->pid, &target_cred->pid); | |
1663 | __put_user(cred->uid, &target_cred->uid); | |
1664 | __put_user(cred->gid, &target_cred->gid); | |
1665 | break; | |
1666 | } | |
52b65494 HD |
1667 | default: |
1668 | goto unimplemented; | |
1669 | } | |
1670 | break; | |
7854b056 | 1671 | |
ee1ac3a1 HD |
1672 | case SOL_IP: |
1673 | switch (cmsg->cmsg_type) { | |
1674 | case IP_TTL: | |
1675 | { | |
1676 | uint32_t *v = (uint32_t *)data; | |
1677 | uint32_t *t_int = (uint32_t *)target_data; | |
1678 | ||
7174970a PM |
1679 | if (len != sizeof(uint32_t) || |
1680 | tgt_len != sizeof(uint32_t)) { | |
1681 | goto unimplemented; | |
1682 | } | |
ee1ac3a1 HD |
1683 | __put_user(*v, t_int); |
1684 | break; | |
1685 | } | |
1686 | case IP_RECVERR: | |
1687 | { | |
1688 | struct errhdr_t { | |
1689 | struct sock_extended_err ee; | |
1690 | struct sockaddr_in offender; | |
1691 | }; | |
1692 | struct errhdr_t *errh = (struct errhdr_t *)data; | |
1693 | struct errhdr_t *target_errh = | |
1694 | (struct errhdr_t *)target_data; | |
1695 | ||
7174970a PM |
1696 | if (len != sizeof(struct errhdr_t) || |
1697 | tgt_len != sizeof(struct errhdr_t)) { | |
1698 | goto unimplemented; | |
1699 | } | |
ee1ac3a1 HD |
1700 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
1701 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
1702 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
1703 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
1704 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
1705 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
1706 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
1707 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
1708 | (void *) &errh->offender, sizeof(errh->offender)); | |
1709 | break; | |
1710 | } | |
1711 | default: | |
1712 | goto unimplemented; | |
1713 | } | |
1714 | break; | |
1715 | ||
1716 | case SOL_IPV6: | |
1717 | switch (cmsg->cmsg_type) { | |
1718 | case IPV6_HOPLIMIT: | |
1719 | { | |
1720 | uint32_t *v = (uint32_t *)data; | |
1721 | uint32_t *t_int = (uint32_t *)target_data; | |
1722 | ||
7174970a PM |
1723 | if (len != sizeof(uint32_t) || |
1724 | tgt_len != sizeof(uint32_t)) { | |
1725 | goto unimplemented; | |
1726 | } | |
ee1ac3a1 HD |
1727 | __put_user(*v, t_int); |
1728 | break; | |
1729 | } | |
1730 | case IPV6_RECVERR: | |
1731 | { | |
1732 | struct errhdr6_t { | |
1733 | struct sock_extended_err ee; | |
1734 | struct sockaddr_in6 offender; | |
1735 | }; | |
1736 | struct errhdr6_t *errh = (struct errhdr6_t *)data; | |
1737 | struct errhdr6_t *target_errh = | |
1738 | (struct errhdr6_t *)target_data; | |
1739 | ||
7174970a PM |
1740 | if (len != sizeof(struct errhdr6_t) || |
1741 | tgt_len != sizeof(struct errhdr6_t)) { | |
1742 | goto unimplemented; | |
1743 | } | |
ee1ac3a1 HD |
1744 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
1745 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
1746 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
1747 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
1748 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
1749 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
1750 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
1751 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
1752 | (void *) &errh->offender, sizeof(errh->offender)); | |
1753 | break; | |
1754 | } | |
1755 | default: | |
1756 | goto unimplemented; | |
1757 | } | |
1758 | break; | |
1759 | ||
52b65494 HD |
1760 | default: |
1761 | unimplemented: | |
aebf5bc7 JH |
1762 | gemu_log("Unsupported ancillary data: %d/%d\n", |
1763 | cmsg->cmsg_level, cmsg->cmsg_type); | |
c2aeb258 PM |
1764 | memcpy(target_data, data, MIN(len, tgt_len)); |
1765 | if (tgt_len > len) { | |
1766 | memset(target_data + len, 0, tgt_len - len); | |
1767 | } | |
7854b056 FB |
1768 | } |
1769 | ||
7174970a PM |
1770 | target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len)); |
1771 | tgt_space = TARGET_CMSG_SPACE(tgt_len); | |
c2aeb258 PM |
1772 | if (msg_controllen < tgt_space) { |
1773 | tgt_space = msg_controllen; | |
1774 | } | |
1775 | msg_controllen -= tgt_space; | |
1776 | space += tgt_space; | |
7854b056 | 1777 | cmsg = CMSG_NXTHDR(msgh, cmsg); |
ee104587 JN |
1778 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1779 | target_cmsg_start); | |
7854b056 | 1780 | } |
5a4a898d FB |
1781 | unlock_user(target_cmsg, target_cmsg_addr, space); |
1782 | the_end: | |
cbb21eed | 1783 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 1784 | return 0; |
7854b056 FB |
1785 | } |
1786 | ||
0da46a6e | 1787 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 1788 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 1789 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 1790 | { |
992f48a0 | 1791 | abi_long ret; |
32407103 | 1792 | int val; |
b975b83b | 1793 | struct ip_mreqn *ip_mreq; |
6e3cb58f | 1794 | struct ip_mreq_source *ip_mreq_source; |
3b46e624 | 1795 | |
8853f86e FB |
1796 | switch(level) { |
1797 | case SOL_TCP: | |
7854b056 | 1798 | /* TCP options all take an 'int' value. */ |
7854b056 | 1799 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 1800 | return -TARGET_EINVAL; |
3b46e624 | 1801 | |
2f619698 FB |
1802 | if (get_user_u32(val, optval_addr)) |
1803 | return -TARGET_EFAULT; | |
8853f86e FB |
1804 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
1805 | break; | |
1806 | case SOL_IP: | |
1807 | switch(optname) { | |
2efbe911 FB |
1808 | case IP_TOS: |
1809 | case IP_TTL: | |
8853f86e | 1810 | case IP_HDRINCL: |
2efbe911 FB |
1811 | case IP_ROUTER_ALERT: |
1812 | case IP_RECVOPTS: | |
1813 | case IP_RETOPTS: | |
1814 | case IP_PKTINFO: | |
1815 | case IP_MTU_DISCOVER: | |
1816 | case IP_RECVERR: | |
ee1ac3a1 | 1817 | case IP_RECVTTL: |
2efbe911 FB |
1818 | case IP_RECVTOS: |
1819 | #ifdef IP_FREEBIND | |
1820 | case IP_FREEBIND: | |
1821 | #endif | |
1822 | case IP_MULTICAST_TTL: | |
1823 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
1824 | val = 0; |
1825 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
1826 | if (get_user_u32(val, optval_addr)) |
1827 | return -TARGET_EFAULT; | |
8853f86e | 1828 | } else if (optlen >= 1) { |
2f619698 FB |
1829 | if (get_user_u8(val, optval_addr)) |
1830 | return -TARGET_EFAULT; | |
8853f86e FB |
1831 | } |
1832 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
1833 | break; | |
b975b83b LL |
1834 | case IP_ADD_MEMBERSHIP: |
1835 | case IP_DROP_MEMBERSHIP: | |
1836 | if (optlen < sizeof (struct target_ip_mreq) || | |
1837 | optlen > sizeof (struct target_ip_mreqn)) | |
1838 | return -TARGET_EINVAL; | |
1839 | ||
1840 | ip_mreq = (struct ip_mreqn *) alloca(optlen); | |
1841 | target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); | |
1842 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); | |
1843 | break; | |
1844 | ||
6e3cb58f LL |
1845 | case IP_BLOCK_SOURCE: |
1846 | case IP_UNBLOCK_SOURCE: | |
1847 | case IP_ADD_SOURCE_MEMBERSHIP: | |
1848 | case IP_DROP_SOURCE_MEMBERSHIP: | |
1849 | if (optlen != sizeof (struct target_ip_mreq_source)) | |
1850 | return -TARGET_EINVAL; | |
1851 | ||
1852 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
1853 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); | |
1854 | unlock_user (ip_mreq_source, optval_addr, 0); | |
1855 | break; | |
1856 | ||
920394db JH |
1857 | default: |
1858 | goto unimplemented; | |
1859 | } | |
1860 | break; | |
0d78b3b5 LV |
1861 | case SOL_IPV6: |
1862 | switch (optname) { | |
1863 | case IPV6_MTU_DISCOVER: | |
1864 | case IPV6_MTU: | |
1865 | case IPV6_V6ONLY: | |
1866 | case IPV6_RECVPKTINFO: | |
ee1ac3a1 | 1867 | case IPV6_UNICAST_HOPS: |
21749c4c LV |
1868 | case IPV6_MULTICAST_HOPS: |
1869 | case IPV6_MULTICAST_LOOP: | |
ee1ac3a1 HD |
1870 | case IPV6_RECVERR: |
1871 | case IPV6_RECVHOPLIMIT: | |
1872 | case IPV6_2292HOPLIMIT: | |
1873 | case IPV6_CHECKSUM: | |
0d78b3b5 LV |
1874 | val = 0; |
1875 | if (optlen < sizeof(uint32_t)) { | |
1876 | return -TARGET_EINVAL; | |
1877 | } | |
1878 | if (get_user_u32(val, optval_addr)) { | |
1879 | return -TARGET_EFAULT; | |
1880 | } | |
1881 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1882 | &val, sizeof(val))); | |
1883 | break; | |
ee1ac3a1 HD |
1884 | case IPV6_PKTINFO: |
1885 | { | |
1886 | struct in6_pktinfo pki; | |
1887 | ||
1888 | if (optlen < sizeof(pki)) { | |
1889 | return -TARGET_EINVAL; | |
1890 | } | |
1891 | ||
1892 | if (copy_from_user(&pki, optval_addr, sizeof(pki))) { | |
1893 | return -TARGET_EFAULT; | |
1894 | } | |
1895 | ||
1896 | pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex); | |
1897 | ||
1898 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1899 | &pki, sizeof(pki))); | |
1900 | break; | |
1901 | } | |
1902 | default: | |
1903 | goto unimplemented; | |
1904 | } | |
1905 | break; | |
1906 | case SOL_ICMPV6: | |
1907 | switch (optname) { | |
1908 | case ICMPV6_FILTER: | |
1909 | { | |
1910 | struct icmp6_filter icmp6f; | |
1911 | ||
1912 | if (optlen > sizeof(icmp6f)) { | |
1913 | optlen = sizeof(icmp6f); | |
1914 | } | |
1915 | ||
1916 | if (copy_from_user(&icmp6f, optval_addr, optlen)) { | |
1917 | return -TARGET_EFAULT; | |
1918 | } | |
1919 | ||
1920 | for (val = 0; val < 8; val++) { | |
1921 | icmp6f.data[val] = tswap32(icmp6f.data[val]); | |
1922 | } | |
1923 | ||
1924 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1925 | &icmp6f, optlen)); | |
1926 | break; | |
1927 | } | |
0d78b3b5 LV |
1928 | default: |
1929 | goto unimplemented; | |
1930 | } | |
1931 | break; | |
920394db JH |
1932 | case SOL_RAW: |
1933 | switch (optname) { | |
1934 | case ICMP_FILTER: | |
ee1ac3a1 HD |
1935 | case IPV6_CHECKSUM: |
1936 | /* those take an u32 value */ | |
920394db JH |
1937 | if (optlen < sizeof(uint32_t)) { |
1938 | return -TARGET_EINVAL; | |
1939 | } | |
1940 | ||
1941 | if (get_user_u32(val, optval_addr)) { | |
1942 | return -TARGET_EFAULT; | |
1943 | } | |
1944 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1945 | &val, sizeof(val))); | |
1946 | break; | |
1947 | ||
8853f86e FB |
1948 | default: |
1949 | goto unimplemented; | |
1950 | } | |
1951 | break; | |
3532fa74 | 1952 | case TARGET_SOL_SOCKET: |
8853f86e | 1953 | switch (optname) { |
1b09aeb9 LV |
1954 | case TARGET_SO_RCVTIMEO: |
1955 | { | |
1956 | struct timeval tv; | |
1957 | ||
1958 | optname = SO_RCVTIMEO; | |
1959 | ||
1960 | set_timeout: | |
1961 | if (optlen != sizeof(struct target_timeval)) { | |
1962 | return -TARGET_EINVAL; | |
1963 | } | |
1964 | ||
1965 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
1966 | return -TARGET_EFAULT; | |
1967 | } | |
1968 | ||
1969 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, | |
1970 | &tv, sizeof(tv))); | |
1971 | return ret; | |
1972 | } | |
1973 | case TARGET_SO_SNDTIMEO: | |
1974 | optname = SO_SNDTIMEO; | |
1975 | goto set_timeout; | |
f57d4192 LV |
1976 | case TARGET_SO_ATTACH_FILTER: |
1977 | { | |
1978 | struct target_sock_fprog *tfprog; | |
1979 | struct target_sock_filter *tfilter; | |
1980 | struct sock_fprog fprog; | |
1981 | struct sock_filter *filter; | |
1982 | int i; | |
1983 | ||
1984 | if (optlen != sizeof(*tfprog)) { | |
1985 | return -TARGET_EINVAL; | |
1986 | } | |
1987 | if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { | |
1988 | return -TARGET_EFAULT; | |
1989 | } | |
1990 | if (!lock_user_struct(VERIFY_READ, tfilter, | |
1991 | tswapal(tfprog->filter), 0)) { | |
1992 | unlock_user_struct(tfprog, optval_addr, 1); | |
1993 | return -TARGET_EFAULT; | |
1994 | } | |
1995 | ||
1996 | fprog.len = tswap16(tfprog->len); | |
0e173b24 | 1997 | filter = g_try_new(struct sock_filter, fprog.len); |
f57d4192 LV |
1998 | if (filter == NULL) { |
1999 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2000 | unlock_user_struct(tfprog, optval_addr, 1); | |
2001 | return -TARGET_ENOMEM; | |
2002 | } | |
2003 | for (i = 0; i < fprog.len; i++) { | |
2004 | filter[i].code = tswap16(tfilter[i].code); | |
2005 | filter[i].jt = tfilter[i].jt; | |
2006 | filter[i].jf = tfilter[i].jf; | |
2007 | filter[i].k = tswap32(tfilter[i].k); | |
2008 | } | |
2009 | fprog.filter = filter; | |
2010 | ||
2011 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, | |
2012 | SO_ATTACH_FILTER, &fprog, sizeof(fprog))); | |
0e173b24 | 2013 | g_free(filter); |
f57d4192 LV |
2014 | |
2015 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2016 | unlock_user_struct(tfprog, optval_addr, 1); | |
2017 | return ret; | |
2018 | } | |
451aaf68 JT |
2019 | case TARGET_SO_BINDTODEVICE: |
2020 | { | |
2021 | char *dev_ifname, *addr_ifname; | |
2022 | ||
2023 | if (optlen > IFNAMSIZ - 1) { | |
2024 | optlen = IFNAMSIZ - 1; | |
2025 | } | |
2026 | dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
2027 | if (!dev_ifname) { | |
2028 | return -TARGET_EFAULT; | |
2029 | } | |
2030 | optname = SO_BINDTODEVICE; | |
2031 | addr_ifname = alloca(IFNAMSIZ); | |
2032 | memcpy(addr_ifname, dev_ifname, optlen); | |
2033 | addr_ifname[optlen] = 0; | |
fad6c58a CG |
2034 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, |
2035 | addr_ifname, optlen)); | |
451aaf68 JT |
2036 | unlock_user (dev_ifname, optval_addr, 0); |
2037 | return ret; | |
2038 | } | |
83eb6e50 CMAB |
2039 | case TARGET_SO_LINGER: |
2040 | { | |
2041 | struct linger lg; | |
2042 | struct target_linger *tlg; | |
2043 | ||
2044 | if (optlen != sizeof(struct target_linger)) { | |
2045 | return -TARGET_EINVAL; | |
2046 | } | |
2047 | if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) { | |
2048 | return -TARGET_EFAULT; | |
2049 | } | |
2050 | __get_user(lg.l_onoff, &tlg->l_onoff); | |
2051 | __get_user(lg.l_linger, &tlg->l_linger); | |
2052 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER, | |
2053 | &lg, sizeof(lg))); | |
2054 | unlock_user_struct(tlg, optval_addr, 0); | |
2055 | return ret; | |
2056 | } | |
8853f86e | 2057 | /* Options with 'int' argument. */ |
3532fa74 FB |
2058 | case TARGET_SO_DEBUG: |
2059 | optname = SO_DEBUG; | |
2060 | break; | |
2061 | case TARGET_SO_REUSEADDR: | |
2062 | optname = SO_REUSEADDR; | |
2063 | break; | |
113a9dd7 YS |
2064 | #ifdef SO_REUSEPORT |
2065 | case TARGET_SO_REUSEPORT: | |
2066 | optname = SO_REUSEPORT; | |
2067 | break; | |
2068 | #endif | |
3532fa74 FB |
2069 | case TARGET_SO_TYPE: |
2070 | optname = SO_TYPE; | |
2071 | break; | |
2072 | case TARGET_SO_ERROR: | |
2073 | optname = SO_ERROR; | |
2074 | break; | |
2075 | case TARGET_SO_DONTROUTE: | |
2076 | optname = SO_DONTROUTE; | |
2077 | break; | |
2078 | case TARGET_SO_BROADCAST: | |
2079 | optname = SO_BROADCAST; | |
2080 | break; | |
2081 | case TARGET_SO_SNDBUF: | |
2082 | optname = SO_SNDBUF; | |
2083 | break; | |
d79b6cc4 PB |
2084 | case TARGET_SO_SNDBUFFORCE: |
2085 | optname = SO_SNDBUFFORCE; | |
2086 | break; | |
3532fa74 FB |
2087 | case TARGET_SO_RCVBUF: |
2088 | optname = SO_RCVBUF; | |
2089 | break; | |
d79b6cc4 PB |
2090 | case TARGET_SO_RCVBUFFORCE: |
2091 | optname = SO_RCVBUFFORCE; | |
2092 | break; | |
3532fa74 FB |
2093 | case TARGET_SO_KEEPALIVE: |
2094 | optname = SO_KEEPALIVE; | |
2095 | break; | |
2096 | case TARGET_SO_OOBINLINE: | |
2097 | optname = SO_OOBINLINE; | |
2098 | break; | |
2099 | case TARGET_SO_NO_CHECK: | |
2100 | optname = SO_NO_CHECK; | |
2101 | break; | |
2102 | case TARGET_SO_PRIORITY: | |
2103 | optname = SO_PRIORITY; | |
2104 | break; | |
5e83e8e3 | 2105 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
2106 | case TARGET_SO_BSDCOMPAT: |
2107 | optname = SO_BSDCOMPAT; | |
2108 | break; | |
5e83e8e3 | 2109 | #endif |
3532fa74 FB |
2110 | case TARGET_SO_PASSCRED: |
2111 | optname = SO_PASSCRED; | |
2112 | break; | |
82d0fe6b PB |
2113 | case TARGET_SO_PASSSEC: |
2114 | optname = SO_PASSSEC; | |
2115 | break; | |
3532fa74 FB |
2116 | case TARGET_SO_TIMESTAMP: |
2117 | optname = SO_TIMESTAMP; | |
2118 | break; | |
2119 | case TARGET_SO_RCVLOWAT: | |
2120 | optname = SO_RCVLOWAT; | |
2121 | break; | |
8853f86e FB |
2122 | default: |
2123 | goto unimplemented; | |
2124 | } | |
3532fa74 | 2125 | if (optlen < sizeof(uint32_t)) |
2f619698 | 2126 | return -TARGET_EINVAL; |
3532fa74 | 2127 | |
2f619698 FB |
2128 | if (get_user_u32(val, optval_addr)) |
2129 | return -TARGET_EFAULT; | |
3532fa74 | 2130 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 2131 | break; |
7854b056 | 2132 | default: |
8853f86e | 2133 | unimplemented: |
b2bedb21 | 2134 | gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname); |
6fa13c17 | 2135 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 2136 | } |
8853f86e | 2137 | return ret; |
7854b056 FB |
2138 | } |
2139 | ||
0da46a6e | 2140 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 2141 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 2142 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 2143 | { |
992f48a0 | 2144 | abi_long ret; |
b55266b5 BS |
2145 | int len, val; |
2146 | socklen_t lv; | |
8853f86e FB |
2147 | |
2148 | switch(level) { | |
3532fa74 | 2149 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
2150 | level = SOL_SOCKET; |
2151 | switch (optname) { | |
2152 | /* These don't just return a single integer */ | |
f3b974cd JL |
2153 | case TARGET_SO_RCVTIMEO: |
2154 | case TARGET_SO_SNDTIMEO: | |
f3b974cd JL |
2155 | case TARGET_SO_PEERNAME: |
2156 | goto unimplemented; | |
583359a6 AP |
2157 | case TARGET_SO_PEERCRED: { |
2158 | struct ucred cr; | |
2159 | socklen_t crlen; | |
2160 | struct target_ucred *tcr; | |
2161 | ||
2162 | if (get_user_u32(len, optlen)) { | |
2163 | return -TARGET_EFAULT; | |
2164 | } | |
2165 | if (len < 0) { | |
2166 | return -TARGET_EINVAL; | |
2167 | } | |
2168 | ||
2169 | crlen = sizeof(cr); | |
2170 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
2171 | &cr, &crlen)); | |
2172 | if (ret < 0) { | |
2173 | return ret; | |
2174 | } | |
2175 | if (len > crlen) { | |
2176 | len = crlen; | |
2177 | } | |
2178 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
2179 | return -TARGET_EFAULT; | |
2180 | } | |
2181 | __put_user(cr.pid, &tcr->pid); | |
2182 | __put_user(cr.uid, &tcr->uid); | |
2183 | __put_user(cr.gid, &tcr->gid); | |
2184 | unlock_user_struct(tcr, optval_addr, 1); | |
2185 | if (put_user_u32(len, optlen)) { | |
83eb6e50 CMAB |
2186 | return -TARGET_EFAULT; |
2187 | } | |
2188 | break; | |
2189 | } | |
2190 | case TARGET_SO_LINGER: | |
2191 | { | |
2192 | struct linger lg; | |
2193 | socklen_t lglen; | |
2194 | struct target_linger *tlg; | |
2195 | ||
2196 | if (get_user_u32(len, optlen)) { | |
2197 | return -TARGET_EFAULT; | |
2198 | } | |
2199 | if (len < 0) { | |
2200 | return -TARGET_EINVAL; | |
2201 | } | |
2202 | ||
2203 | lglen = sizeof(lg); | |
2204 | ret = get_errno(getsockopt(sockfd, level, SO_LINGER, | |
2205 | &lg, &lglen)); | |
2206 | if (ret < 0) { | |
2207 | return ret; | |
2208 | } | |
2209 | if (len > lglen) { | |
2210 | len = lglen; | |
2211 | } | |
2212 | if (!lock_user_struct(VERIFY_WRITE, tlg, optval_addr, 0)) { | |
2213 | return -TARGET_EFAULT; | |
2214 | } | |
2215 | __put_user(lg.l_onoff, &tlg->l_onoff); | |
2216 | __put_user(lg.l_linger, &tlg->l_linger); | |
2217 | unlock_user_struct(tlg, optval_addr, 1); | |
2218 | if (put_user_u32(len, optlen)) { | |
583359a6 AP |
2219 | return -TARGET_EFAULT; |
2220 | } | |
2221 | break; | |
2222 | } | |
f3b974cd JL |
2223 | /* Options with 'int' argument. */ |
2224 | case TARGET_SO_DEBUG: | |
2225 | optname = SO_DEBUG; | |
2226 | goto int_case; | |
2227 | case TARGET_SO_REUSEADDR: | |
2228 | optname = SO_REUSEADDR; | |
2229 | goto int_case; | |
113a9dd7 YS |
2230 | #ifdef SO_REUSEPORT |
2231 | case TARGET_SO_REUSEPORT: | |
2232 | optname = SO_REUSEPORT; | |
2233 | goto int_case; | |
2234 | #endif | |
f3b974cd JL |
2235 | case TARGET_SO_TYPE: |
2236 | optname = SO_TYPE; | |
2237 | goto int_case; | |
2238 | case TARGET_SO_ERROR: | |
2239 | optname = SO_ERROR; | |
2240 | goto int_case; | |
2241 | case TARGET_SO_DONTROUTE: | |
2242 | optname = SO_DONTROUTE; | |
2243 | goto int_case; | |
2244 | case TARGET_SO_BROADCAST: | |
2245 | optname = SO_BROADCAST; | |
2246 | goto int_case; | |
2247 | case TARGET_SO_SNDBUF: | |
2248 | optname = SO_SNDBUF; | |
2249 | goto int_case; | |
2250 | case TARGET_SO_RCVBUF: | |
2251 | optname = SO_RCVBUF; | |
2252 | goto int_case; | |
2253 | case TARGET_SO_KEEPALIVE: | |
2254 | optname = SO_KEEPALIVE; | |
2255 | goto int_case; | |
2256 | case TARGET_SO_OOBINLINE: | |
2257 | optname = SO_OOBINLINE; | |
2258 | goto int_case; | |
2259 | case TARGET_SO_NO_CHECK: | |
2260 | optname = SO_NO_CHECK; | |
2261 | goto int_case; | |
2262 | case TARGET_SO_PRIORITY: | |
2263 | optname = SO_PRIORITY; | |
2264 | goto int_case; | |
2265 | #ifdef SO_BSDCOMPAT | |
2266 | case TARGET_SO_BSDCOMPAT: | |
2267 | optname = SO_BSDCOMPAT; | |
2268 | goto int_case; | |
2269 | #endif | |
2270 | case TARGET_SO_PASSCRED: | |
2271 | optname = SO_PASSCRED; | |
2272 | goto int_case; | |
2273 | case TARGET_SO_TIMESTAMP: | |
2274 | optname = SO_TIMESTAMP; | |
2275 | goto int_case; | |
2276 | case TARGET_SO_RCVLOWAT: | |
2277 | optname = SO_RCVLOWAT; | |
2278 | goto int_case; | |
aec1ca41 PB |
2279 | case TARGET_SO_ACCEPTCONN: |
2280 | optname = SO_ACCEPTCONN; | |
2281 | goto int_case; | |
8853f86e | 2282 | default: |
2efbe911 FB |
2283 | goto int_case; |
2284 | } | |
2285 | break; | |
2286 | case SOL_TCP: | |
2287 | /* TCP options all take an 'int' value. */ | |
2288 | int_case: | |
2f619698 FB |
2289 | if (get_user_u32(len, optlen)) |
2290 | return -TARGET_EFAULT; | |
2efbe911 | 2291 | if (len < 0) |
0da46a6e | 2292 | return -TARGET_EINVAL; |
73160d95 | 2293 | lv = sizeof(lv); |
2efbe911 FB |
2294 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2295 | if (ret < 0) | |
2296 | return ret; | |
8289d112 PB |
2297 | if (optname == SO_TYPE) { |
2298 | val = host_to_target_sock_type(val); | |
2299 | } | |
2efbe911 FB |
2300 | if (len > lv) |
2301 | len = lv; | |
2f619698 FB |
2302 | if (len == 4) { |
2303 | if (put_user_u32(val, optval_addr)) | |
2304 | return -TARGET_EFAULT; | |
2305 | } else { | |
2306 | if (put_user_u8(val, optval_addr)) | |
2307 | return -TARGET_EFAULT; | |
f3b974cd | 2308 | } |
2f619698 FB |
2309 | if (put_user_u32(len, optlen)) |
2310 | return -TARGET_EFAULT; | |
2efbe911 FB |
2311 | break; |
2312 | case SOL_IP: | |
2313 | switch(optname) { | |
2314 | case IP_TOS: | |
2315 | case IP_TTL: | |
2316 | case IP_HDRINCL: | |
2317 | case IP_ROUTER_ALERT: | |
2318 | case IP_RECVOPTS: | |
2319 | case IP_RETOPTS: | |
2320 | case IP_PKTINFO: | |
2321 | case IP_MTU_DISCOVER: | |
2322 | case IP_RECVERR: | |
2323 | case IP_RECVTOS: | |
2324 | #ifdef IP_FREEBIND | |
2325 | case IP_FREEBIND: | |
2326 | #endif | |
2327 | case IP_MULTICAST_TTL: | |
2328 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
2329 | if (get_user_u32(len, optlen)) |
2330 | return -TARGET_EFAULT; | |
8853f86e | 2331 | if (len < 0) |
0da46a6e | 2332 | return -TARGET_EINVAL; |
73160d95 | 2333 | lv = sizeof(lv); |
8853f86e FB |
2334 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2335 | if (ret < 0) | |
2336 | return ret; | |
2efbe911 | 2337 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 2338 | len = 1; |
2f619698 FB |
2339 | if (put_user_u32(len, optlen) |
2340 | || put_user_u8(val, optval_addr)) | |
2341 | return -TARGET_EFAULT; | |
2efbe911 | 2342 | } else { |
2efbe911 FB |
2343 | if (len > sizeof(int)) |
2344 | len = sizeof(int); | |
2f619698 FB |
2345 | if (put_user_u32(len, optlen) |
2346 | || put_user_u32(val, optval_addr)) | |
2347 | return -TARGET_EFAULT; | |
2efbe911 | 2348 | } |
8853f86e | 2349 | break; |
2efbe911 | 2350 | default: |
c02f499e TS |
2351 | ret = -TARGET_ENOPROTOOPT; |
2352 | break; | |
8853f86e FB |
2353 | } |
2354 | break; | |
bd8ed485 TD |
2355 | case SOL_IPV6: |
2356 | switch (optname) { | |
2357 | case IPV6_MTU_DISCOVER: | |
2358 | case IPV6_MTU: | |
2359 | case IPV6_V6ONLY: | |
2360 | case IPV6_RECVPKTINFO: | |
2361 | case IPV6_UNICAST_HOPS: | |
2362 | case IPV6_MULTICAST_HOPS: | |
2363 | case IPV6_MULTICAST_LOOP: | |
2364 | case IPV6_RECVERR: | |
2365 | case IPV6_RECVHOPLIMIT: | |
2366 | case IPV6_2292HOPLIMIT: | |
2367 | case IPV6_CHECKSUM: | |
2368 | if (get_user_u32(len, optlen)) | |
2369 | return -TARGET_EFAULT; | |
2370 | if (len < 0) | |
2371 | return -TARGET_EINVAL; | |
2372 | lv = sizeof(lv); | |
2373 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); | |
2374 | if (ret < 0) | |
2375 | return ret; | |
2376 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { | |
2377 | len = 1; | |
2378 | if (put_user_u32(len, optlen) | |
2379 | || put_user_u8(val, optval_addr)) | |
2380 | return -TARGET_EFAULT; | |
2381 | } else { | |
2382 | if (len > sizeof(int)) | |
2383 | len = sizeof(int); | |
2384 | if (put_user_u32(len, optlen) | |
2385 | || put_user_u32(val, optval_addr)) | |
2386 | return -TARGET_EFAULT; | |
2387 | } | |
2388 | break; | |
2389 | default: | |
2390 | ret = -TARGET_ENOPROTOOPT; | |
2391 | break; | |
2392 | } | |
2393 | break; | |
8853f86e FB |
2394 | default: |
2395 | unimplemented: | |
2396 | gemu_log("getsockopt level=%d optname=%d not yet supported\n", | |
2397 | level, optname); | |
c02f499e | 2398 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
2399 | break; |
2400 | } | |
2401 | return ret; | |
7854b056 FB |
2402 | } |
2403 | ||
9ac22517 MF |
2404 | /* Convert target low/high pair representing file offset into the host |
2405 | * low/high pair. This function doesn't handle offsets bigger than 64 bits | |
2406 | * as the kernel doesn't handle them either. | |
2407 | */ | |
2408 | static void target_to_host_low_high(abi_ulong tlow, | |
2409 | abi_ulong thigh, | |
2410 | unsigned long *hlow, | |
2411 | unsigned long *hhigh) | |
2412 | { | |
2413 | uint64_t off = tlow | | |
2414 | ((unsigned long long)thigh << TARGET_LONG_BITS / 2) << | |
2415 | TARGET_LONG_BITS / 2; | |
2416 | ||
2417 | *hlow = off; | |
2418 | *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2; | |
2419 | } | |
2420 | ||
f287b2c2 | 2421 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
dab32b32 | 2422 | abi_ulong count, int copy) |
53a5960a PB |
2423 | { |
2424 | struct target_iovec *target_vec; | |
f287b2c2 RH |
2425 | struct iovec *vec; |
2426 | abi_ulong total_len, max_len; | |
d732dcb4 | 2427 | int i; |
501bb4b0 | 2428 | int err = 0; |
29560a6c | 2429 | bool bad_address = false; |
53a5960a | 2430 | |
f287b2c2 RH |
2431 | if (count == 0) { |
2432 | errno = 0; | |
2433 | return NULL; | |
2434 | } | |
dab32b32 | 2435 | if (count > IOV_MAX) { |
f287b2c2 RH |
2436 | errno = EINVAL; |
2437 | return NULL; | |
2438 | } | |
2439 | ||
0e173b24 | 2440 | vec = g_try_new0(struct iovec, count); |
f287b2c2 RH |
2441 | if (vec == NULL) { |
2442 | errno = ENOMEM; | |
2443 | return NULL; | |
2444 | } | |
2445 | ||
2446 | target_vec = lock_user(VERIFY_READ, target_addr, | |
2447 | count * sizeof(struct target_iovec), 1); | |
2448 | if (target_vec == NULL) { | |
501bb4b0 | 2449 | err = EFAULT; |
f287b2c2 RH |
2450 | goto fail2; |
2451 | } | |
2452 | ||
2453 | /* ??? If host page size > target page size, this will result in a | |
2454 | value larger than what we can actually support. */ | |
2455 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
2456 | total_len = 0; | |
2457 | ||
2458 | for (i = 0; i < count; i++) { | |
2459 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
2460 | abi_long len = tswapal(target_vec[i].iov_len); | |
2461 | ||
2462 | if (len < 0) { | |
501bb4b0 | 2463 | err = EINVAL; |
f287b2c2 RH |
2464 | goto fail; |
2465 | } else if (len == 0) { | |
2466 | /* Zero length pointer is ignored. */ | |
2467 | vec[i].iov_base = 0; | |
41df8411 | 2468 | } else { |
f287b2c2 | 2469 | vec[i].iov_base = lock_user(type, base, len, copy); |
29560a6c TM |
2470 | /* If the first buffer pointer is bad, this is a fault. But |
2471 | * subsequent bad buffers will result in a partial write; this | |
2472 | * is realized by filling the vector with null pointers and | |
2473 | * zero lengths. */ | |
f287b2c2 | 2474 | if (!vec[i].iov_base) { |
29560a6c TM |
2475 | if (i == 0) { |
2476 | err = EFAULT; | |
2477 | goto fail; | |
2478 | } else { | |
2479 | bad_address = true; | |
2480 | } | |
2481 | } | |
2482 | if (bad_address) { | |
2483 | len = 0; | |
f287b2c2 RH |
2484 | } |
2485 | if (len > max_len - total_len) { | |
2486 | len = max_len - total_len; | |
2487 | } | |
41df8411 | 2488 | } |
f287b2c2 RH |
2489 | vec[i].iov_len = len; |
2490 | total_len += len; | |
579a97f7 | 2491 | } |
f287b2c2 RH |
2492 | |
2493 | unlock_user(target_vec, target_addr, 0); | |
2494 | return vec; | |
2495 | ||
2496 | fail: | |
7eff518b CG |
2497 | while (--i >= 0) { |
2498 | if (tswapal(target_vec[i].iov_len) > 0) { | |
2499 | unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0); | |
2500 | } | |
2501 | } | |
f287b2c2 | 2502 | unlock_user(target_vec, target_addr, 0); |
501bb4b0 | 2503 | fail2: |
0e173b24 | 2504 | g_free(vec); |
501bb4b0 | 2505 | errno = err; |
f287b2c2 | 2506 | return NULL; |
53a5960a PB |
2507 | } |
2508 | ||
f287b2c2 | 2509 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
dab32b32 | 2510 | abi_ulong count, int copy) |
53a5960a PB |
2511 | { |
2512 | struct target_iovec *target_vec; | |
53a5960a PB |
2513 | int i; |
2514 | ||
f287b2c2 RH |
2515 | target_vec = lock_user(VERIFY_READ, target_addr, |
2516 | count * sizeof(struct target_iovec), 1); | |
2517 | if (target_vec) { | |
2518 | for (i = 0; i < count; i++) { | |
2519 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
71ec7cef | 2520 | abi_long len = tswapal(target_vec[i].iov_len); |
f287b2c2 RH |
2521 | if (len < 0) { |
2522 | break; | |
2523 | } | |
d732dcb4 AZ |
2524 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
2525 | } | |
f287b2c2 | 2526 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 2527 | } |
579a97f7 | 2528 | |
0e173b24 | 2529 | g_free(vec); |
53a5960a PB |
2530 | } |
2531 | ||
53d09b76 | 2532 | static inline int target_to_host_sock_type(int *type) |
3532fa74 | 2533 | { |
f651e6ae PJ |
2534 | int host_type = 0; |
2535 | int target_type = *type; | |
2536 | ||
2537 | switch (target_type & TARGET_SOCK_TYPE_MASK) { | |
3532fa74 | 2538 | case TARGET_SOCK_DGRAM: |
f651e6ae | 2539 | host_type = SOCK_DGRAM; |
3532fa74 FB |
2540 | break; |
2541 | case TARGET_SOCK_STREAM: | |
f651e6ae | 2542 | host_type = SOCK_STREAM; |
3532fa74 | 2543 | break; |
f651e6ae PJ |
2544 | default: |
2545 | host_type = target_type & TARGET_SOCK_TYPE_MASK; | |
3532fa74 FB |
2546 | break; |
2547 | } | |
f651e6ae | 2548 | if (target_type & TARGET_SOCK_CLOEXEC) { |
53d09b76 | 2549 | #if defined(SOCK_CLOEXEC) |
f651e6ae | 2550 | host_type |= SOCK_CLOEXEC; |
53d09b76 EI |
2551 | #else |
2552 | return -TARGET_EINVAL; | |
2553 | #endif | |
f651e6ae PJ |
2554 | } |
2555 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
53d09b76 | 2556 | #if defined(SOCK_NONBLOCK) |
f651e6ae | 2557 | host_type |= SOCK_NONBLOCK; |
53d09b76 EI |
2558 | #elif !defined(O_NONBLOCK) |
2559 | return -TARGET_EINVAL; | |
2560 | #endif | |
f651e6ae PJ |
2561 | } |
2562 | *type = host_type; | |
53d09b76 EI |
2563 | return 0; |
2564 | } | |
2565 | ||
2566 | /* Try to emulate socket type flags after socket creation. */ | |
2567 | static int sock_flags_fixup(int fd, int target_type) | |
2568 | { | |
2569 | #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK) | |
2570 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
2571 | int flags = fcntl(fd, F_GETFL); | |
2572 | if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) { | |
2573 | close(fd); | |
2574 | return -TARGET_EINVAL; | |
2575 | } | |
2576 | } | |
2577 | #endif | |
2578 | return fd; | |
f651e6ae PJ |
2579 | } |
2580 | ||
2581 | /* do_socket() Must return target values and target errnos. */ | |
2582 | static abi_long do_socket(int domain, int type, int protocol) | |
2583 | { | |
53d09b76 EI |
2584 | int target_type = type; |
2585 | int ret; | |
2586 | ||
2587 | ret = target_to_host_sock_type(&type); | |
2588 | if (ret) { | |
2589 | return ret; | |
2590 | } | |
f651e6ae | 2591 | |
575b22b1 LV |
2592 | if (domain == PF_NETLINK && !( |
2593 | #ifdef CONFIG_RTNETLINK | |
2594 | protocol == NETLINK_ROUTE || | |
2595 | #endif | |
2596 | protocol == NETLINK_KOBJECT_UEVENT || | |
2597 | protocol == NETLINK_AUDIT)) { | |
6c5b5645 LV |
2598 | return -EPFNOSUPPORT; |
2599 | } | |
ff626f2d LV |
2600 | |
2601 | if (domain == AF_PACKET || | |
2602 | (domain == AF_INET && type == SOCK_PACKET)) { | |
2603 | protocol = tswap16(protocol); | |
2604 | } | |
2605 | ||
53d09b76 EI |
2606 | ret = get_errno(socket(domain, type, protocol)); |
2607 | if (ret >= 0) { | |
2608 | ret = sock_flags_fixup(ret, target_type); | |
0cf22722 LV |
2609 | if (type == SOCK_PACKET) { |
2610 | /* Manage an obsolete case : | |
2611 | * if socket type is SOCK_PACKET, bind by name | |
2612 | */ | |
2613 | fd_trans_register(ret, &target_packet_trans); | |
6c5b5645 LV |
2614 | } else if (domain == PF_NETLINK) { |
2615 | switch (protocol) { | |
575b22b1 | 2616 | #ifdef CONFIG_RTNETLINK |
6c5b5645 LV |
2617 | case NETLINK_ROUTE: |
2618 | fd_trans_register(ret, &target_netlink_route_trans); | |
2619 | break; | |
575b22b1 | 2620 | #endif |
b265620b LV |
2621 | case NETLINK_KOBJECT_UEVENT: |
2622 | /* nothing to do: messages are strings */ | |
2623 | break; | |
5ce9bb59 LV |
2624 | case NETLINK_AUDIT: |
2625 | fd_trans_register(ret, &target_netlink_audit_trans); | |
2626 | break; | |
6c5b5645 LV |
2627 | default: |
2628 | g_assert_not_reached(); | |
2629 | } | |
0cf22722 | 2630 | } |
53d09b76 EI |
2631 | } |
2632 | return ret; | |
3532fa74 FB |
2633 | } |
2634 | ||
0da46a6e | 2635 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
2636 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
2637 | socklen_t addrlen) | |
3532fa74 | 2638 | { |
8f7aeaf6 | 2639 | void *addr; |
917507b0 | 2640 | abi_long ret; |
8f7aeaf6 | 2641 | |
38724253 | 2642 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2643 | return -TARGET_EINVAL; |
38724253 | 2644 | } |
8f7aeaf6 | 2645 | |
607175e0 | 2646 | addr = alloca(addrlen+1); |
3b46e624 | 2647 | |
7b36f782 | 2648 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
2649 | if (ret) |
2650 | return ret; | |
2651 | ||
3532fa74 FB |
2652 | return get_errno(bind(sockfd, addr, addrlen)); |
2653 | } | |
2654 | ||
0da46a6e | 2655 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
2656 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
2657 | socklen_t addrlen) | |
3532fa74 | 2658 | { |
8f7aeaf6 | 2659 | void *addr; |
917507b0 | 2660 | abi_long ret; |
8f7aeaf6 | 2661 | |
38724253 | 2662 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2663 | return -TARGET_EINVAL; |
38724253 | 2664 | } |
8f7aeaf6 | 2665 | |
2dd08dfd | 2666 | addr = alloca(addrlen+1); |
3b46e624 | 2667 | |
7b36f782 | 2668 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
2669 | if (ret) |
2670 | return ret; | |
2671 | ||
2a3c7619 | 2672 | return get_errno(safe_connect(sockfd, addr, addrlen)); |
3532fa74 FB |
2673 | } |
2674 | ||
f19e00d7 AG |
2675 | /* do_sendrecvmsg_locked() Must return target values and target errnos. */ |
2676 | static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, | |
2677 | int flags, int send) | |
3532fa74 | 2678 | { |
6de645c7 | 2679 | abi_long ret, len; |
3532fa74 | 2680 | struct msghdr msg; |
dab32b32 | 2681 | abi_ulong count; |
3532fa74 | 2682 | struct iovec *vec; |
992f48a0 | 2683 | abi_ulong target_vec; |
3532fa74 | 2684 | |
3532fa74 FB |
2685 | if (msgp->msg_name) { |
2686 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
2dd08dfd | 2687 | msg.msg_name = alloca(msg.msg_namelen+1); |
7b36f782 LV |
2688 | ret = target_to_host_sockaddr(fd, msg.msg_name, |
2689 | tswapal(msgp->msg_name), | |
2690 | msg.msg_namelen); | |
26a6fc96 PM |
2691 | if (ret == -TARGET_EFAULT) { |
2692 | /* For connected sockets msg_name and msg_namelen must | |
2693 | * be ignored, so returning EFAULT immediately is wrong. | |
2694 | * Instead, pass a bad msg_name to the host kernel, and | |
2695 | * let it decide whether to return EFAULT or not. | |
2696 | */ | |
2697 | msg.msg_name = (void *)-1; | |
2698 | } else if (ret) { | |
f287b2c2 | 2699 | goto out2; |
917507b0 | 2700 | } |
3532fa74 FB |
2701 | } else { |
2702 | msg.msg_name = NULL; | |
2703 | msg.msg_namelen = 0; | |
2704 | } | |
cbb21eed | 2705 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 | 2706 | msg.msg_control = alloca(msg.msg_controllen); |
1d3d1b23 JS |
2707 | memset(msg.msg_control, 0, msg.msg_controllen); |
2708 | ||
3532fa74 | 2709 | msg.msg_flags = tswap32(msgp->msg_flags); |
3b46e624 | 2710 | |
cbb21eed | 2711 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 2712 | target_vec = tswapal(msgp->msg_iov); |
97b07970 PM |
2713 | |
2714 | if (count > IOV_MAX) { | |
2715 | /* sendrcvmsg returns a different errno for this condition than | |
2716 | * readv/writev, so we must catch it here before lock_iovec() does. | |
2717 | */ | |
2718 | ret = -TARGET_EMSGSIZE; | |
2719 | goto out2; | |
2720 | } | |
2721 | ||
f287b2c2 RH |
2722 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
2723 | target_vec, count, send); | |
2724 | if (vec == NULL) { | |
2725 | ret = -host_to_target_errno(errno); | |
2726 | goto out2; | |
2727 | } | |
3532fa74 FB |
2728 | msg.msg_iovlen = count; |
2729 | msg.msg_iov = vec; | |
3b46e624 | 2730 | |
3532fa74 | 2731 | if (send) { |
6c5b5645 | 2732 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
2733 | void *host_msg; |
2734 | ||
2735 | host_msg = g_malloc(msg.msg_iov->iov_len); | |
2736 | memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len); | |
2737 | ret = fd_trans_target_to_host_data(fd)(host_msg, | |
6c5b5645 | 2738 | msg.msg_iov->iov_len); |
7d61d892 LV |
2739 | if (ret >= 0) { |
2740 | msg.msg_iov->iov_base = host_msg; | |
2741 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
2742 | } | |
2743 | g_free(host_msg); | |
6c5b5645 LV |
2744 | } else { |
2745 | ret = target_to_host_cmsg(&msg, msgp); | |
7d61d892 LV |
2746 | if (ret == 0) { |
2747 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
2748 | } | |
6c5b5645 | 2749 | } |
3532fa74 | 2750 | } else { |
66687530 | 2751 | ret = get_errno(safe_recvmsg(fd, &msg, flags)); |
6de645c7 AZ |
2752 | if (!is_error(ret)) { |
2753 | len = ret; | |
6c5b5645 LV |
2754 | if (fd_trans_host_to_target_data(fd)) { |
2755 | ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base, | |
2a03d3e6 | 2756 | MIN(msg.msg_iov->iov_len, len)); |
6c5b5645 LV |
2757 | } else { |
2758 | ret = host_to_target_cmsg(msgp, &msg); | |
2759 | } | |
ca619067 JH |
2760 | if (!is_error(ret)) { |
2761 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
24894f39 | 2762 | msgp->msg_flags = tswap32(msg.msg_flags); |
26a6fc96 | 2763 | if (msg.msg_name != NULL && msg.msg_name != (void *)-1) { |
ca619067 JH |
2764 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), |
2765 | msg.msg_name, msg.msg_namelen); | |
2766 | if (ret) { | |
2767 | goto out; | |
2768 | } | |
2769 | } | |
2770 | ||
6de645c7 | 2771 | ret = len; |
ca619067 | 2772 | } |
6de645c7 | 2773 | } |
3532fa74 | 2774 | } |
ca619067 JH |
2775 | |
2776 | out: | |
3532fa74 | 2777 | unlock_iovec(vec, target_vec, count, !send); |
f287b2c2 | 2778 | out2: |
f19e00d7 AG |
2779 | return ret; |
2780 | } | |
2781 | ||
2782 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, | |
2783 | int flags, int send) | |
2784 | { | |
2785 | abi_long ret; | |
2786 | struct target_msghdr *msgp; | |
2787 | ||
2788 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
2789 | msgp, | |
2790 | target_msg, | |
2791 | send ? 1 : 0)) { | |
2792 | return -TARGET_EFAULT; | |
2793 | } | |
2794 | ret = do_sendrecvmsg_locked(fd, msgp, flags, send); | |
579a97f7 | 2795 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
2796 | return ret; |
2797 | } | |
2798 | ||
f19e00d7 AG |
2799 | /* We don't rely on the C library to have sendmmsg/recvmmsg support, |
2800 | * so it might not have this *mmsg-specific flag either. | |
2801 | */ | |
2802 | #ifndef MSG_WAITFORONE | |
2803 | #define MSG_WAITFORONE 0x10000 | |
2804 | #endif | |
2805 | ||
2806 | static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec, | |
2807 | unsigned int vlen, unsigned int flags, | |
2808 | int send) | |
2809 | { | |
2810 | struct target_mmsghdr *mmsgp; | |
2811 | abi_long ret = 0; | |
2812 | int i; | |
2813 | ||
2814 | if (vlen > UIO_MAXIOV) { | |
2815 | vlen = UIO_MAXIOV; | |
2816 | } | |
2817 | ||
2818 | mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1); | |
2819 | if (!mmsgp) { | |
2820 | return -TARGET_EFAULT; | |
2821 | } | |
2822 | ||
2823 | for (i = 0; i < vlen; i++) { | |
2824 | ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send); | |
2825 | if (is_error(ret)) { | |
2826 | break; | |
2827 | } | |
2828 | mmsgp[i].msg_len = tswap32(ret); | |
2829 | /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */ | |
2830 | if (flags & MSG_WAITFORONE) { | |
2831 | flags |= MSG_DONTWAIT; | |
2832 | } | |
2833 | } | |
2834 | ||
2835 | unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i); | |
2836 | ||
2837 | /* Return number of datagrams sent if we sent any at all; | |
2838 | * otherwise return the error. | |
2839 | */ | |
2840 | if (i) { | |
2841 | return i; | |
2842 | } | |
2843 | return ret; | |
2844 | } | |
f19e00d7 | 2845 | |
a94b4987 PM |
2846 | /* do_accept4() Must return target values and target errnos. */ |
2847 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
2848 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 2849 | { |
cd813367 | 2850 | socklen_t addrlen, ret_addrlen; |
2f619698 | 2851 | void *addr; |
992f48a0 | 2852 | abi_long ret; |
d25295d4 PJ |
2853 | int host_flags; |
2854 | ||
2855 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
1be9e1dc | 2856 | |
a94b4987 | 2857 | if (target_addr == 0) { |
ff6dc130 | 2858 | return get_errno(safe_accept4(fd, NULL, NULL, host_flags)); |
a94b4987 | 2859 | } |
917507b0 AP |
2860 | |
2861 | /* linux returns EINVAL if addrlen pointer is invalid */ | |
2f619698 | 2862 | if (get_user_u32(addrlen, target_addrlen_addr)) |
917507b0 | 2863 | return -TARGET_EINVAL; |
2f619698 | 2864 | |
38724253 | 2865 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2866 | return -TARGET_EINVAL; |
38724253 | 2867 | } |
8f7aeaf6 | 2868 | |
917507b0 AP |
2869 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2870 | return -TARGET_EINVAL; | |
2871 | ||
2f619698 FB |
2872 | addr = alloca(addrlen); |
2873 | ||
cd813367 AS |
2874 | ret_addrlen = addrlen; |
2875 | ret = get_errno(safe_accept4(fd, addr, &ret_addrlen, host_flags)); | |
1be9e1dc | 2876 | if (!is_error(ret)) { |
cd813367 AS |
2877 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
2878 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 2879 | ret = -TARGET_EFAULT; |
cd813367 | 2880 | } |
1be9e1dc PB |
2881 | } |
2882 | return ret; | |
2883 | } | |
2884 | ||
0da46a6e | 2885 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 2886 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 2887 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2888 | { |
cd813367 | 2889 | socklen_t addrlen, ret_addrlen; |
2f619698 | 2890 | void *addr; |
992f48a0 | 2891 | abi_long ret; |
1be9e1dc | 2892 | |
2f619698 FB |
2893 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2894 | return -TARGET_EFAULT; | |
2895 | ||
38724253 | 2896 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2897 | return -TARGET_EINVAL; |
38724253 | 2898 | } |
8f7aeaf6 | 2899 | |
917507b0 AP |
2900 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2901 | return -TARGET_EFAULT; | |
2902 | ||
2f619698 FB |
2903 | addr = alloca(addrlen); |
2904 | ||
cd813367 AS |
2905 | ret_addrlen = addrlen; |
2906 | ret = get_errno(getpeername(fd, addr, &ret_addrlen)); | |
1be9e1dc | 2907 | if (!is_error(ret)) { |
cd813367 AS |
2908 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
2909 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 2910 | ret = -TARGET_EFAULT; |
cd813367 | 2911 | } |
1be9e1dc PB |
2912 | } |
2913 | return ret; | |
2914 | } | |
2915 | ||
0da46a6e | 2916 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 2917 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 2918 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2919 | { |
cd813367 | 2920 | socklen_t addrlen, ret_addrlen; |
2f619698 | 2921 | void *addr; |
992f48a0 | 2922 | abi_long ret; |
1be9e1dc | 2923 | |
2f619698 FB |
2924 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2925 | return -TARGET_EFAULT; | |
2926 | ||
38724253 | 2927 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2928 | return -TARGET_EINVAL; |
38724253 | 2929 | } |
8f7aeaf6 | 2930 | |
917507b0 AP |
2931 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2932 | return -TARGET_EFAULT; | |
2933 | ||
2f619698 FB |
2934 | addr = alloca(addrlen); |
2935 | ||
cd813367 AS |
2936 | ret_addrlen = addrlen; |
2937 | ret = get_errno(getsockname(fd, addr, &ret_addrlen)); | |
1be9e1dc | 2938 | if (!is_error(ret)) { |
cd813367 AS |
2939 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
2940 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 2941 | ret = -TARGET_EFAULT; |
cd813367 | 2942 | } |
1be9e1dc PB |
2943 | } |
2944 | return ret; | |
2945 | } | |
2946 | ||
0da46a6e | 2947 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 2948 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 2949 | abi_ulong target_tab_addr) |
1be9e1dc PB |
2950 | { |
2951 | int tab[2]; | |
992f48a0 | 2952 | abi_long ret; |
1be9e1dc | 2953 | |
f651e6ae PJ |
2954 | target_to_host_sock_type(&type); |
2955 | ||
1be9e1dc PB |
2956 | ret = get_errno(socketpair(domain, type, protocol, tab)); |
2957 | if (!is_error(ret)) { | |
2f619698 FB |
2958 | if (put_user_s32(tab[0], target_tab_addr) |
2959 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
2960 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2961 | } |
2962 | return ret; | |
2963 | } | |
2964 | ||
0da46a6e | 2965 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
2966 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
2967 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
2968 | { |
2969 | void *addr; | |
2970 | void *host_msg; | |
7d61d892 | 2971 | void *copy_msg = NULL; |
992f48a0 | 2972 | abi_long ret; |
1be9e1dc | 2973 | |
38724253 | 2974 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2975 | return -TARGET_EINVAL; |
38724253 | 2976 | } |
8f7aeaf6 | 2977 | |
579a97f7 FB |
2978 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
2979 | if (!host_msg) | |
2980 | return -TARGET_EFAULT; | |
6c5b5645 | 2981 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
2982 | copy_msg = host_msg; |
2983 | host_msg = g_malloc(len); | |
2984 | memcpy(host_msg, copy_msg, len); | |
6c5b5645 LV |
2985 | ret = fd_trans_target_to_host_data(fd)(host_msg, len); |
2986 | if (ret < 0) { | |
7d61d892 | 2987 | goto fail; |
6c5b5645 LV |
2988 | } |
2989 | } | |
1be9e1dc | 2990 | if (target_addr) { |
2dd08dfd | 2991 | addr = alloca(addrlen+1); |
7b36f782 | 2992 | ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen); |
917507b0 | 2993 | if (ret) { |
7d61d892 | 2994 | goto fail; |
917507b0 | 2995 | } |
66687530 | 2996 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen)); |
1be9e1dc | 2997 | } else { |
66687530 | 2998 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc | 2999 | } |
7d61d892 LV |
3000 | fail: |
3001 | if (copy_msg) { | |
3002 | g_free(host_msg); | |
3003 | host_msg = copy_msg; | |
3004 | } | |
1be9e1dc PB |
3005 | unlock_user(host_msg, msg, 0); |
3006 | return ret; | |
3007 | } | |
3008 | ||
0da46a6e | 3009 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
3010 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
3011 | abi_ulong target_addr, | |
3012 | abi_ulong target_addrlen) | |
1be9e1dc | 3013 | { |
cd813367 | 3014 | socklen_t addrlen, ret_addrlen; |
1be9e1dc PB |
3015 | void *addr; |
3016 | void *host_msg; | |
992f48a0 | 3017 | abi_long ret; |
1be9e1dc | 3018 | |
579a97f7 FB |
3019 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); |
3020 | if (!host_msg) | |
3021 | return -TARGET_EFAULT; | |
1be9e1dc | 3022 | if (target_addr) { |
2f619698 FB |
3023 | if (get_user_u32(addrlen, target_addrlen)) { |
3024 | ret = -TARGET_EFAULT; | |
3025 | goto fail; | |
3026 | } | |
38724253 | 3027 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
3028 | ret = -TARGET_EINVAL; |
3029 | goto fail; | |
3030 | } | |
1be9e1dc | 3031 | addr = alloca(addrlen); |
cd813367 | 3032 | ret_addrlen = addrlen; |
66687530 | 3033 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, |
cd813367 | 3034 | addr, &ret_addrlen)); |
1be9e1dc PB |
3035 | } else { |
3036 | addr = NULL; /* To keep compiler quiet. */ | |
cd813367 | 3037 | addrlen = 0; /* To keep compiler quiet. */ |
66687530 | 3038 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc PB |
3039 | } |
3040 | if (!is_error(ret)) { | |
c35e1f9c | 3041 | if (fd_trans_host_to_target_data(fd)) { |
2a03d3e6 LV |
3042 | abi_long trans; |
3043 | trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len)); | |
3044 | if (is_error(trans)) { | |
3045 | ret = trans; | |
3046 | goto fail; | |
3047 | } | |
c35e1f9c | 3048 | } |
1be9e1dc | 3049 | if (target_addr) { |
cd813367 AS |
3050 | host_to_target_sockaddr(target_addr, addr, |
3051 | MIN(addrlen, ret_addrlen)); | |
3052 | if (put_user_u32(ret_addrlen, target_addrlen)) { | |
2f619698 FB |
3053 | ret = -TARGET_EFAULT; |
3054 | goto fail; | |
3055 | } | |
1be9e1dc PB |
3056 | } |
3057 | unlock_user(host_msg, msg, len); | |
3058 | } else { | |
2f619698 | 3059 | fail: |
1be9e1dc PB |
3060 | unlock_user(host_msg, msg, 0); |
3061 | } | |
3062 | return ret; | |
3063 | } | |
3064 | ||
32407103 | 3065 | #ifdef TARGET_NR_socketcall |
ff71a454 | 3066 | /* do_socketcall() must return target values and target errnos. */ |
992f48a0 | 3067 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 3068 | { |
ff71a454 AM |
3069 | static const unsigned nargs[] = { /* number of arguments per operation */ |
3070 | [TARGET_SYS_SOCKET] = 3, /* domain, type, protocol */ | |
3071 | [TARGET_SYS_BIND] = 3, /* fd, addr, addrlen */ | |
3072 | [TARGET_SYS_CONNECT] = 3, /* fd, addr, addrlen */ | |
3073 | [TARGET_SYS_LISTEN] = 2, /* fd, backlog */ | |
3074 | [TARGET_SYS_ACCEPT] = 3, /* fd, addr, addrlen */ | |
3075 | [TARGET_SYS_GETSOCKNAME] = 3, /* fd, addr, addrlen */ | |
3076 | [TARGET_SYS_GETPEERNAME] = 3, /* fd, addr, addrlen */ | |
3077 | [TARGET_SYS_SOCKETPAIR] = 4, /* domain, type, protocol, tab */ | |
3078 | [TARGET_SYS_SEND] = 4, /* fd, msg, len, flags */ | |
3079 | [TARGET_SYS_RECV] = 4, /* fd, msg, len, flags */ | |
3080 | [TARGET_SYS_SENDTO] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3081 | [TARGET_SYS_RECVFROM] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3082 | [TARGET_SYS_SHUTDOWN] = 2, /* fd, how */ | |
3083 | [TARGET_SYS_SETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3084 | [TARGET_SYS_GETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3085 | [TARGET_SYS_SENDMSG] = 3, /* fd, msg, flags */ | |
3086 | [TARGET_SYS_RECVMSG] = 3, /* fd, msg, flags */ | |
3087 | [TARGET_SYS_ACCEPT4] = 4, /* fd, addr, addrlen, flags */ | |
3088 | [TARGET_SYS_RECVMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
3089 | [TARGET_SYS_SENDMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
62dc90c6 MT |
3090 | }; |
3091 | abi_long a[6]; /* max 6 args */ | |
ff71a454 | 3092 | unsigned i; |
62dc90c6 | 3093 | |
ff71a454 AM |
3094 | /* check the range of the first argument num */ |
3095 | /* (TARGET_SYS_SENDMMSG is the highest among TARGET_SYS_xxx) */ | |
3096 | if (num < 1 || num > TARGET_SYS_SENDMMSG) { | |
3097 | return -TARGET_EINVAL; | |
3098 | } | |
3099 | /* ensure we have space for args */ | |
3100 | if (nargs[num] > ARRAY_SIZE(a)) { | |
3101 | return -TARGET_EINVAL; | |
3102 | } | |
3103 | /* collect the arguments in a[] according to nargs[] */ | |
3104 | for (i = 0; i < nargs[num]; ++i) { | |
3105 | if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) { | |
3106 | return -TARGET_EFAULT; | |
31e31b8a | 3107 | } |
62dc90c6 | 3108 | } |
ff71a454 | 3109 | /* now when we have the args, invoke the appropriate underlying function */ |
62dc90c6 | 3110 | switch (num) { |
ff71a454 | 3111 | case TARGET_SYS_SOCKET: /* domain, type, protocol */ |
62dc90c6 | 3112 | return do_socket(a[0], a[1], a[2]); |
ff71a454 | 3113 | case TARGET_SYS_BIND: /* sockfd, addr, addrlen */ |
62dc90c6 | 3114 | return do_bind(a[0], a[1], a[2]); |
ff71a454 | 3115 | case TARGET_SYS_CONNECT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3116 | return do_connect(a[0], a[1], a[2]); |
ff71a454 | 3117 | case TARGET_SYS_LISTEN: /* sockfd, backlog */ |
62dc90c6 | 3118 | return get_errno(listen(a[0], a[1])); |
ff71a454 | 3119 | case TARGET_SYS_ACCEPT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3120 | return do_accept4(a[0], a[1], a[2], 0); |
ff71a454 | 3121 | case TARGET_SYS_GETSOCKNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3122 | return do_getsockname(a[0], a[1], a[2]); |
ff71a454 | 3123 | case TARGET_SYS_GETPEERNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3124 | return do_getpeername(a[0], a[1], a[2]); |
ff71a454 | 3125 | case TARGET_SYS_SOCKETPAIR: /* domain, type, protocol, tab */ |
62dc90c6 | 3126 | return do_socketpair(a[0], a[1], a[2], a[3]); |
ff71a454 | 3127 | case TARGET_SYS_SEND: /* sockfd, msg, len, flags */ |
62dc90c6 | 3128 | return do_sendto(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3129 | case TARGET_SYS_RECV: /* sockfd, msg, len, flags */ |
62dc90c6 | 3130 | return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3131 | case TARGET_SYS_SENDTO: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3132 | return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3133 | case TARGET_SYS_RECVFROM: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3134 | return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3135 | case TARGET_SYS_SHUTDOWN: /* sockfd, how */ |
62dc90c6 | 3136 | return get_errno(shutdown(a[0], a[1])); |
ff71a454 AM |
3137 | case TARGET_SYS_SETSOCKOPT: /* sockfd, level, optname, optval, optlen */ |
3138 | return do_setsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3139 | case TARGET_SYS_GETSOCKOPT: /* sockfd, level, optname, optval, optlen */ | |
3140 | return do_getsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3141 | case TARGET_SYS_SENDMSG: /* sockfd, msg, flags */ | |
62dc90c6 | 3142 | return do_sendrecvmsg(a[0], a[1], a[2], 1); |
ff71a454 | 3143 | case TARGET_SYS_RECVMSG: /* sockfd, msg, flags */ |
62dc90c6 | 3144 | return do_sendrecvmsg(a[0], a[1], a[2], 0); |
ff71a454 AM |
3145 | case TARGET_SYS_ACCEPT4: /* sockfd, addr, addrlen, flags */ |
3146 | return do_accept4(a[0], a[1], a[2], a[3]); | |
3147 | case TARGET_SYS_RECVMMSG: /* sockfd, msgvec, vlen, flags */ | |
5a53dc50 | 3148 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0); |
ff71a454 AM |
3149 | case TARGET_SYS_SENDMMSG: /* sockfd, msgvec, vlen, flags */ |
3150 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1); | |
31e31b8a FB |
3151 | default: |
3152 | gemu_log("Unsupported socketcall: %d\n", num); | |
ff71a454 | 3153 | return -TARGET_EINVAL; |
31e31b8a | 3154 | } |
31e31b8a | 3155 | } |
32407103 | 3156 | #endif |
31e31b8a | 3157 | |
8853f86e FB |
3158 | #define N_SHM_REGIONS 32 |
3159 | ||
3160 | static struct shm_region { | |
b6e17875 PM |
3161 | abi_ulong start; |
3162 | abi_ulong size; | |
3163 | bool in_use; | |
8853f86e FB |
3164 | } shm_regions[N_SHM_REGIONS]; |
3165 | ||
005eb2ae PM |
3166 | #ifndef TARGET_SEMID64_DS |
3167 | /* asm-generic version of this struct */ | |
3168 | struct target_semid64_ds | |
3eb6b044 TS |
3169 | { |
3170 | struct target_ipc_perm sem_perm; | |
992f48a0 | 3171 | abi_ulong sem_otime; |
005eb2ae | 3172 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3173 | abi_ulong __unused1; |
03527344 | 3174 | #endif |
992f48a0 | 3175 | abi_ulong sem_ctime; |
005eb2ae | 3176 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3177 | abi_ulong __unused2; |
03527344 | 3178 | #endif |
992f48a0 BS |
3179 | abi_ulong sem_nsems; |
3180 | abi_ulong __unused3; | |
3181 | abi_ulong __unused4; | |
3eb6b044 | 3182 | }; |
005eb2ae | 3183 | #endif |
3eb6b044 | 3184 | |
579a97f7 FB |
3185 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
3186 | abi_ulong target_addr) | |
3eb6b044 TS |
3187 | { |
3188 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3189 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3190 | |
579a97f7 FB |
3191 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3192 | return -TARGET_EFAULT; | |
e8bbe36c | 3193 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3194 | host_ip->__key = tswap32(target_ip->__key); |
3195 | host_ip->uid = tswap32(target_ip->uid); | |
3196 | host_ip->gid = tswap32(target_ip->gid); | |
3197 | host_ip->cuid = tswap32(target_ip->cuid); | |
3198 | host_ip->cgid = tswap32(target_ip->cgid); | |
3199 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3200 | host_ip->mode = tswap32(target_ip->mode); | |
3201 | #else | |
cbb21eed | 3202 | host_ip->mode = tswap16(target_ip->mode); |
55a2b163 PJ |
3203 | #endif |
3204 | #if defined(TARGET_PPC) | |
3205 | host_ip->__seq = tswap32(target_ip->__seq); | |
3206 | #else | |
3207 | host_ip->__seq = tswap16(target_ip->__seq); | |
3208 | #endif | |
3eb6b044 | 3209 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3210 | return 0; |
3eb6b044 TS |
3211 | } |
3212 | ||
579a97f7 FB |
3213 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
3214 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
3215 | { |
3216 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3217 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3218 | |
579a97f7 FB |
3219 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3220 | return -TARGET_EFAULT; | |
3eb6b044 | 3221 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3222 | target_ip->__key = tswap32(host_ip->__key); |
3223 | target_ip->uid = tswap32(host_ip->uid); | |
3224 | target_ip->gid = tswap32(host_ip->gid); | |
3225 | target_ip->cuid = tswap32(host_ip->cuid); | |
3226 | target_ip->cgid = tswap32(host_ip->cgid); | |
3227 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3228 | target_ip->mode = tswap32(host_ip->mode); | |
3229 | #else | |
cbb21eed | 3230 | target_ip->mode = tswap16(host_ip->mode); |
55a2b163 PJ |
3231 | #endif |
3232 | #if defined(TARGET_PPC) | |
3233 | target_ip->__seq = tswap32(host_ip->__seq); | |
3234 | #else | |
3235 | target_ip->__seq = tswap16(host_ip->__seq); | |
3236 | #endif | |
3eb6b044 | 3237 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3238 | return 0; |
3eb6b044 TS |
3239 | } |
3240 | ||
579a97f7 FB |
3241 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
3242 | abi_ulong target_addr) | |
3eb6b044 | 3243 | { |
005eb2ae | 3244 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3245 | |
579a97f7 FB |
3246 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3247 | return -TARGET_EFAULT; | |
e5289087 AJ |
3248 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
3249 | return -TARGET_EFAULT; | |
cbb21eed MB |
3250 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
3251 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
3252 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 3253 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3254 | return 0; |
3eb6b044 TS |
3255 | } |
3256 | ||
579a97f7 FB |
3257 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
3258 | struct semid_ds *host_sd) | |
3eb6b044 | 3259 | { |
005eb2ae | 3260 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3261 | |
579a97f7 FB |
3262 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3263 | return -TARGET_EFAULT; | |
e5289087 | 3264 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 3265 | return -TARGET_EFAULT; |
cbb21eed MB |
3266 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
3267 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
3268 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 3269 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3270 | return 0; |
3eb6b044 TS |
3271 | } |
3272 | ||
e5289087 AJ |
3273 | struct target_seminfo { |
3274 | int semmap; | |
3275 | int semmni; | |
3276 | int semmns; | |
3277 | int semmnu; | |
3278 | int semmsl; | |
3279 | int semopm; | |
3280 | int semume; | |
3281 | int semusz; | |
3282 | int semvmx; | |
3283 | int semaem; | |
3284 | }; | |
3285 | ||
3286 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
3287 | struct seminfo *host_seminfo) | |
3288 | { | |
3289 | struct target_seminfo *target_seminfo; | |
3290 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
3291 | return -TARGET_EFAULT; | |
3292 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
3293 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
3294 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
3295 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
3296 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
3297 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
3298 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
3299 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
3300 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
3301 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
3302 | unlock_user_struct(target_seminfo, target_addr, 1); | |
3303 | return 0; | |
3304 | } | |
3305 | ||
fa294816 TS |
3306 | union semun { |
3307 | int val; | |
3eb6b044 | 3308 | struct semid_ds *buf; |
fa294816 | 3309 | unsigned short *array; |
e5289087 | 3310 | struct seminfo *__buf; |
fa294816 TS |
3311 | }; |
3312 | ||
3eb6b044 TS |
3313 | union target_semun { |
3314 | int val; | |
e5289087 AJ |
3315 | abi_ulong buf; |
3316 | abi_ulong array; | |
3317 | abi_ulong __buf; | |
3eb6b044 TS |
3318 | }; |
3319 | ||
e5289087 AJ |
3320 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
3321 | abi_ulong target_addr) | |
3eb6b044 | 3322 | { |
e5289087 AJ |
3323 | int nsems; |
3324 | unsigned short *array; | |
3325 | union semun semun; | |
3326 | struct semid_ds semid_ds; | |
3327 | int i, ret; | |
3eb6b044 | 3328 | |
e5289087 AJ |
3329 | semun.buf = &semid_ds; |
3330 | ||
3331 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3332 | if (ret == -1) | |
3333 | return get_errno(ret); | |
3334 | ||
3335 | nsems = semid_ds.sem_nsems; | |
3336 | ||
0e173b24 | 3337 | *host_array = g_try_new(unsigned short, nsems); |
69d4c703 PM |
3338 | if (!*host_array) { |
3339 | return -TARGET_ENOMEM; | |
3340 | } | |
e5289087 AJ |
3341 | array = lock_user(VERIFY_READ, target_addr, |
3342 | nsems*sizeof(unsigned short), 1); | |
69d4c703 | 3343 | if (!array) { |
0e173b24 | 3344 | g_free(*host_array); |
e5289087 | 3345 | return -TARGET_EFAULT; |
69d4c703 | 3346 | } |
e5289087 AJ |
3347 | |
3348 | for(i=0; i<nsems; i++) { | |
3349 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3350 | } |
e5289087 AJ |
3351 | unlock_user(array, target_addr, 0); |
3352 | ||
579a97f7 | 3353 | return 0; |
3eb6b044 TS |
3354 | } |
3355 | ||
e5289087 AJ |
3356 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
3357 | unsigned short **host_array) | |
3eb6b044 | 3358 | { |
e5289087 AJ |
3359 | int nsems; |
3360 | unsigned short *array; | |
3361 | union semun semun; | |
3362 | struct semid_ds semid_ds; | |
3363 | int i, ret; | |
3eb6b044 | 3364 | |
e5289087 AJ |
3365 | semun.buf = &semid_ds; |
3366 | ||
3367 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3368 | if (ret == -1) | |
3369 | return get_errno(ret); | |
3370 | ||
3371 | nsems = semid_ds.sem_nsems; | |
3372 | ||
3373 | array = lock_user(VERIFY_WRITE, target_addr, | |
3374 | nsems*sizeof(unsigned short), 0); | |
3375 | if (!array) | |
3376 | return -TARGET_EFAULT; | |
3377 | ||
3378 | for(i=0; i<nsems; i++) { | |
3379 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3380 | } |
0e173b24 | 3381 | g_free(*host_array); |
e5289087 AJ |
3382 | unlock_user(array, target_addr, 1); |
3383 | ||
579a97f7 | 3384 | return 0; |
3eb6b044 TS |
3385 | } |
3386 | ||
e5289087 | 3387 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
d1c002b6 | 3388 | abi_ulong target_arg) |
3eb6b044 | 3389 | { |
d1c002b6 | 3390 | union target_semun target_su = { .buf = target_arg }; |
3eb6b044 TS |
3391 | union semun arg; |
3392 | struct semid_ds dsarg; | |
7b8118e8 | 3393 | unsigned short *array = NULL; |
e5289087 AJ |
3394 | struct seminfo seminfo; |
3395 | abi_long ret = -TARGET_EINVAL; | |
3396 | abi_long err; | |
3397 | cmd &= 0xff; | |
3eb6b044 TS |
3398 | |
3399 | switch( cmd ) { | |
3400 | case GETVAL: | |
3eb6b044 | 3401 | case SETVAL: |
5464baec TM |
3402 | /* In 64 bit cross-endian situations, we will erroneously pick up |
3403 | * the wrong half of the union for the "val" element. To rectify | |
3404 | * this, the entire 8-byte structure is byteswapped, followed by | |
3405 | * a swap of the 4 byte val field. In other cases, the data is | |
3406 | * already in proper host byte order. */ | |
3407 | if (sizeof(target_su.val) != (sizeof(target_su.buf))) { | |
3408 | target_su.buf = tswapal(target_su.buf); | |
3409 | arg.val = tswap32(target_su.val); | |
3410 | } else { | |
3411 | arg.val = target_su.val; | |
3412 | } | |
e5289087 | 3413 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
3eb6b044 TS |
3414 | break; |
3415 | case GETALL: | |
3eb6b044 | 3416 | case SETALL: |
e5289087 AJ |
3417 | err = target_to_host_semarray(semid, &array, target_su.array); |
3418 | if (err) | |
3419 | return err; | |
3420 | arg.array = array; | |
3421 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3422 | err = host_to_target_semarray(semid, target_su.array, &array); | |
3423 | if (err) | |
3424 | return err; | |
3eb6b044 TS |
3425 | break; |
3426 | case IPC_STAT: | |
3eb6b044 | 3427 | case IPC_SET: |
e5289087 AJ |
3428 | case SEM_STAT: |
3429 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
3430 | if (err) | |
3431 | return err; | |
3432 | arg.buf = &dsarg; | |
3433 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3434 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
3435 | if (err) | |
3436 | return err; | |
3437 | break; | |
3438 | case IPC_INFO: | |
3439 | case SEM_INFO: | |
3440 | arg.__buf = &seminfo; | |
3441 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3442 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
3443 | if (err) | |
3444 | return err; | |
3445 | break; | |
3446 | case IPC_RMID: | |
3447 | case GETPID: | |
3448 | case GETNCNT: | |
3449 | case GETZCNT: | |
3450 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 3451 | break; |
3eb6b044 TS |
3452 | } |
3453 | ||
3454 | return ret; | |
3455 | } | |
3456 | ||
e5289087 AJ |
3457 | struct target_sembuf { |
3458 | unsigned short sem_num; | |
3459 | short sem_op; | |
3460 | short sem_flg; | |
3461 | }; | |
3462 | ||
3463 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
3464 | abi_ulong target_addr, | |
3465 | unsigned nsops) | |
3466 | { | |
3467 | struct target_sembuf *target_sembuf; | |
3468 | int i; | |
3469 | ||
3470 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
3471 | nsops*sizeof(struct target_sembuf), 1); | |
3472 | if (!target_sembuf) | |
3473 | return -TARGET_EFAULT; | |
3474 | ||
3475 | for(i=0; i<nsops; i++) { | |
3476 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
3477 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
3478 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
3479 | } | |
3480 | ||
3481 | unlock_user(target_sembuf, target_addr, 0); | |
3482 | ||
3483 | return 0; | |
3484 | } | |
3485 | ||
3486 | static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) | |
3487 | { | |
3488 | struct sembuf sops[nsops]; | |
3489 | ||
3490 | if (target_to_host_sembuf(sops, ptr, nsops)) | |
3491 | return -TARGET_EFAULT; | |
3492 | ||
ffb7ee79 | 3493 | return get_errno(safe_semtimedop(semid, sops, nsops, NULL)); |
e5289087 AJ |
3494 | } |
3495 | ||
1bc012f6 TS |
3496 | struct target_msqid_ds |
3497 | { | |
1c54ff97 AJ |
3498 | struct target_ipc_perm msg_perm; |
3499 | abi_ulong msg_stime; | |
3500 | #if TARGET_ABI_BITS == 32 | |
3501 | abi_ulong __unused1; | |
3502 | #endif | |
3503 | abi_ulong msg_rtime; | |
3504 | #if TARGET_ABI_BITS == 32 | |
3505 | abi_ulong __unused2; | |
3506 | #endif | |
3507 | abi_ulong msg_ctime; | |
3508 | #if TARGET_ABI_BITS == 32 | |
3509 | abi_ulong __unused3; | |
3510 | #endif | |
3511 | abi_ulong __msg_cbytes; | |
3512 | abi_ulong msg_qnum; | |
3513 | abi_ulong msg_qbytes; | |
3514 | abi_ulong msg_lspid; | |
3515 | abi_ulong msg_lrpid; | |
3516 | abi_ulong __unused4; | |
3517 | abi_ulong __unused5; | |
1bc012f6 TS |
3518 | }; |
3519 | ||
579a97f7 FB |
3520 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
3521 | abi_ulong target_addr) | |
1bc012f6 TS |
3522 | { |
3523 | struct target_msqid_ds *target_md; | |
3524 | ||
579a97f7 FB |
3525 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
3526 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
3527 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
3528 | return -TARGET_EFAULT; | |
cbb21eed MB |
3529 | host_md->msg_stime = tswapal(target_md->msg_stime); |
3530 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
3531 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
3532 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
3533 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
3534 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
3535 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
3536 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 3537 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 3538 | return 0; |
1bc012f6 TS |
3539 | } |
3540 | ||
579a97f7 FB |
3541 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
3542 | struct msqid_ds *host_md) | |
1bc012f6 TS |
3543 | { |
3544 | struct target_msqid_ds *target_md; | |
3545 | ||
579a97f7 FB |
3546 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
3547 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
3548 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
3549 | return -TARGET_EFAULT; | |
cbb21eed MB |
3550 | target_md->msg_stime = tswapal(host_md->msg_stime); |
3551 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
3552 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
3553 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
3554 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
3555 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
3556 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
3557 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 3558 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 3559 | return 0; |
1bc012f6 TS |
3560 | } |
3561 | ||
1c54ff97 AJ |
3562 | struct target_msginfo { |
3563 | int msgpool; | |
3564 | int msgmap; | |
3565 | int msgmax; | |
3566 | int msgmnb; | |
3567 | int msgmni; | |
3568 | int msgssz; | |
3569 | int msgtql; | |
3570 | unsigned short int msgseg; | |
3571 | }; | |
3572 | ||
3573 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
3574 | struct msginfo *host_msginfo) | |
3575 | { | |
3576 | struct target_msginfo *target_msginfo; | |
3577 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
3578 | return -TARGET_EFAULT; | |
3579 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
3580 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
3581 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
3582 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
3583 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
3584 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
3585 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
3586 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
3587 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 3588 | return 0; |
1c54ff97 AJ |
3589 | } |
3590 | ||
3591 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
3592 | { |
3593 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
3594 | struct msginfo msginfo; |
3595 | abi_long ret = -TARGET_EINVAL; | |
3596 | ||
3597 | cmd &= 0xff; | |
3598 | ||
3599 | switch (cmd) { | |
1bc012f6 TS |
3600 | case IPC_STAT: |
3601 | case IPC_SET: | |
1c54ff97 AJ |
3602 | case MSG_STAT: |
3603 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
3604 | return -TARGET_EFAULT; | |
3605 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
3606 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
3607 | return -TARGET_EFAULT; | |
3608 | break; | |
3609 | case IPC_RMID: | |
3610 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
3611 | break; | |
3612 | case IPC_INFO: | |
3613 | case MSG_INFO: | |
3614 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
3615 | if (host_to_target_msginfo(ptr, &msginfo)) | |
3616 | return -TARGET_EFAULT; | |
3617 | break; | |
1bc012f6 | 3618 | } |
1c54ff97 | 3619 | |
1bc012f6 TS |
3620 | return ret; |
3621 | } | |
3622 | ||
3623 | struct target_msgbuf { | |
1c54ff97 AJ |
3624 | abi_long mtype; |
3625 | char mtext[1]; | |
1bc012f6 TS |
3626 | }; |
3627 | ||
992f48a0 | 3628 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
edcc5f9d | 3629 | ssize_t msgsz, int msgflg) |
1bc012f6 TS |
3630 | { |
3631 | struct target_msgbuf *target_mb; | |
3632 | struct msgbuf *host_mb; | |
992f48a0 | 3633 | abi_long ret = 0; |
1bc012f6 | 3634 | |
edcc5f9d TM |
3635 | if (msgsz < 0) { |
3636 | return -TARGET_EINVAL; | |
3637 | } | |
3638 | ||
579a97f7 FB |
3639 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
3640 | return -TARGET_EFAULT; | |
0e173b24 | 3641 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
29e03fcb HZ |
3642 | if (!host_mb) { |
3643 | unlock_user_struct(target_mb, msgp, 0); | |
3644 | return -TARGET_ENOMEM; | |
3645 | } | |
cbb21eed | 3646 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 3647 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
89f9fe44 | 3648 | ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg)); |
0e173b24 | 3649 | g_free(host_mb); |
1bc012f6 TS |
3650 | unlock_user_struct(target_mb, msgp, 0); |
3651 | ||
3652 | return ret; | |
3653 | } | |
3654 | ||
992f48a0 | 3655 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
99874f65 | 3656 | ssize_t msgsz, abi_long msgtyp, |
992f48a0 | 3657 | int msgflg) |
1bc012f6 TS |
3658 | { |
3659 | struct target_msgbuf *target_mb; | |
579a97f7 | 3660 | char *target_mtext; |
1bc012f6 | 3661 | struct msgbuf *host_mb; |
992f48a0 | 3662 | abi_long ret = 0; |
1bc012f6 | 3663 | |
99874f65 PM |
3664 | if (msgsz < 0) { |
3665 | return -TARGET_EINVAL; | |
3666 | } | |
3667 | ||
579a97f7 FB |
3668 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
3669 | return -TARGET_EFAULT; | |
1c54ff97 | 3670 | |
415d8471 PM |
3671 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
3672 | if (!host_mb) { | |
3673 | ret = -TARGET_ENOMEM; | |
3674 | goto end; | |
3675 | } | |
89f9fe44 | 3676 | ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
1c54ff97 | 3677 | |
579a97f7 FB |
3678 | if (ret > 0) { |
3679 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
3680 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
3681 | if (!target_mtext) { | |
3682 | ret = -TARGET_EFAULT; | |
3683 | goto end; | |
3684 | } | |
1c54ff97 | 3685 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
3686 | unlock_user(target_mtext, target_mtext_addr, ret); |
3687 | } | |
1c54ff97 | 3688 | |
cbb21eed | 3689 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 3690 | |
579a97f7 FB |
3691 | end: |
3692 | if (target_mb) | |
3693 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 3694 | g_free(host_mb); |
1bc012f6 TS |
3695 | return ret; |
3696 | } | |
3697 | ||
88a8c984 RV |
3698 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
3699 | abi_ulong target_addr) | |
3700 | { | |
3701 | struct target_shmid_ds *target_sd; | |
3702 | ||
3703 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
3704 | return -TARGET_EFAULT; | |
3705 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
3706 | return -TARGET_EFAULT; | |
3707 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
3708 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
3709 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
3710 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
3711 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
3712 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
3713 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
3714 | unlock_user_struct(target_sd, target_addr, 0); | |
3715 | return 0; | |
3716 | } | |
3717 | ||
3718 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
3719 | struct shmid_ds *host_sd) | |
3720 | { | |
3721 | struct target_shmid_ds *target_sd; | |
3722 | ||
3723 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
3724 | return -TARGET_EFAULT; | |
3725 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
3726 | return -TARGET_EFAULT; | |
3727 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
3728 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
3729 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
3730 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
3731 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
3732 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
3733 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
3734 | unlock_user_struct(target_sd, target_addr, 1); | |
3735 | return 0; | |
3736 | } | |
3737 | ||
3738 | struct target_shminfo { | |
3739 | abi_ulong shmmax; | |
3740 | abi_ulong shmmin; | |
3741 | abi_ulong shmmni; | |
3742 | abi_ulong shmseg; | |
3743 | abi_ulong shmall; | |
3744 | }; | |
3745 | ||
3746 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
3747 | struct shminfo *host_shminfo) | |
3748 | { | |
3749 | struct target_shminfo *target_shminfo; | |
3750 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
3751 | return -TARGET_EFAULT; | |
3752 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
3753 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
3754 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
3755 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
3756 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
3757 | unlock_user_struct(target_shminfo, target_addr, 1); | |
3758 | return 0; | |
3759 | } | |
3760 | ||
3761 | struct target_shm_info { | |
3762 | int used_ids; | |
3763 | abi_ulong shm_tot; | |
3764 | abi_ulong shm_rss; | |
3765 | abi_ulong shm_swp; | |
3766 | abi_ulong swap_attempts; | |
3767 | abi_ulong swap_successes; | |
3768 | }; | |
3769 | ||
3770 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
3771 | struct shm_info *host_shm_info) | |
3772 | { | |
3773 | struct target_shm_info *target_shm_info; | |
3774 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
3775 | return -TARGET_EFAULT; | |
3776 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
3777 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
3778 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
3779 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
3780 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
3781 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
3782 | unlock_user_struct(target_shm_info, target_addr, 1); | |
3783 | return 0; | |
3784 | } | |
3785 | ||
3786 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
3787 | { | |
3788 | struct shmid_ds dsarg; | |
3789 | struct shminfo shminfo; | |
3790 | struct shm_info shm_info; | |
3791 | abi_long ret = -TARGET_EINVAL; | |
3792 | ||
3793 | cmd &= 0xff; | |
3794 | ||
3795 | switch(cmd) { | |
3796 | case IPC_STAT: | |
3797 | case IPC_SET: | |
3798 | case SHM_STAT: | |
3799 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
3800 | return -TARGET_EFAULT; | |
3801 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
3802 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
3803 | return -TARGET_EFAULT; | |
3804 | break; | |
3805 | case IPC_INFO: | |
3806 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
3807 | if (host_to_target_shminfo(buf, &shminfo)) | |
3808 | return -TARGET_EFAULT; | |
3809 | break; | |
3810 | case SHM_INFO: | |
3811 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
3812 | if (host_to_target_shm_info(buf, &shm_info)) | |
3813 | return -TARGET_EFAULT; | |
3814 | break; | |
3815 | case IPC_RMID: | |
3816 | case SHM_LOCK: | |
3817 | case SHM_UNLOCK: | |
3818 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
3819 | break; | |
3820 | } | |
3821 | ||
3822 | return ret; | |
3823 | } | |
3824 | ||
ee8e7614 PM |
3825 | #ifndef TARGET_FORCE_SHMLBA |
3826 | /* For most architectures, SHMLBA is the same as the page size; | |
3827 | * some architectures have larger values, in which case they should | |
3828 | * define TARGET_FORCE_SHMLBA and provide a target_shmlba() function. | |
3829 | * This corresponds to the kernel arch code defining __ARCH_FORCE_SHMLBA | |
3830 | * and defining its own value for SHMLBA. | |
3831 | * | |
3832 | * The kernel also permits SHMLBA to be set by the architecture to a | |
3833 | * value larger than the page size without setting __ARCH_FORCE_SHMLBA; | |
3834 | * this means that addresses are rounded to the large size if | |
3835 | * SHM_RND is set but addresses not aligned to that size are not rejected | |
3836 | * as long as they are at least page-aligned. Since the only architecture | |
3837 | * which uses this is ia64 this code doesn't provide for that oddity. | |
3838 | */ | |
3839 | static inline abi_ulong target_shmlba(CPUArchState *cpu_env) | |
3840 | { | |
3841 | return TARGET_PAGE_SIZE; | |
3842 | } | |
3843 | #endif | |
3844 | ||
3845 | static inline abi_ulong do_shmat(CPUArchState *cpu_env, | |
3846 | int shmid, abi_ulong shmaddr, int shmflg) | |
88a8c984 RV |
3847 | { |
3848 | abi_long raddr; | |
3849 | void *host_raddr; | |
3850 | struct shmid_ds shm_info; | |
3851 | int i,ret; | |
ee8e7614 | 3852 | abi_ulong shmlba; |
88a8c984 RV |
3853 | |
3854 | /* find out the length of the shared memory segment */ | |
3855 | ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); | |
3856 | if (is_error(ret)) { | |
3857 | /* can't get length, bail out */ | |
3858 | return ret; | |
3859 | } | |
3860 | ||
ee8e7614 PM |
3861 | shmlba = target_shmlba(cpu_env); |
3862 | ||
3863 | if (shmaddr & (shmlba - 1)) { | |
3864 | if (shmflg & SHM_RND) { | |
3865 | shmaddr &= ~(shmlba - 1); | |
3866 | } else { | |
3867 | return -TARGET_EINVAL; | |
3868 | } | |
3869 | } | |
ebf9a363 MF |
3870 | if (!guest_range_valid(shmaddr, shm_info.shm_segsz)) { |
3871 | return -TARGET_EINVAL; | |
3872 | } | |
ee8e7614 | 3873 | |
88a8c984 RV |
3874 | mmap_lock(); |
3875 | ||
3876 | if (shmaddr) | |
3877 | host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg); | |
3878 | else { | |
3879 | abi_ulong mmap_start; | |
3880 | ||
3881 | mmap_start = mmap_find_vma(0, shm_info.shm_segsz); | |
3882 | ||
3883 | if (mmap_start == -1) { | |
3884 | errno = ENOMEM; | |
3885 | host_raddr = (void *)-1; | |
3886 | } else | |
3887 | host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); | |
3888 | } | |
3889 | ||
3890 | if (host_raddr == (void *)-1) { | |
3891 | mmap_unlock(); | |
3892 | return get_errno((long)host_raddr); | |
3893 | } | |
3894 | raddr=h2g((unsigned long)host_raddr); | |
3895 | ||
3896 | page_set_flags(raddr, raddr + shm_info.shm_segsz, | |
3897 | PAGE_VALID | PAGE_READ | | |
3898 | ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE)); | |
3899 | ||
3900 | for (i = 0; i < N_SHM_REGIONS; i++) { | |
b6e17875 PM |
3901 | if (!shm_regions[i].in_use) { |
3902 | shm_regions[i].in_use = true; | |
88a8c984 RV |
3903 | shm_regions[i].start = raddr; |
3904 | shm_regions[i].size = shm_info.shm_segsz; | |
3905 | break; | |
3906 | } | |
3907 | } | |
3908 | ||
3909 | mmap_unlock(); | |
3910 | return raddr; | |
3911 | ||
3912 | } | |
3913 | ||
3914 | static inline abi_long do_shmdt(abi_ulong shmaddr) | |
3915 | { | |
3916 | int i; | |
3c5f6a5f MF |
3917 | abi_long rv; |
3918 | ||
3919 | mmap_lock(); | |
88a8c984 RV |
3920 | |
3921 | for (i = 0; i < N_SHM_REGIONS; ++i) { | |
b6e17875 PM |
3922 | if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) { |
3923 | shm_regions[i].in_use = false; | |
e00ac249 | 3924 | page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0); |
88a8c984 RV |
3925 | break; |
3926 | } | |
3927 | } | |
3c5f6a5f | 3928 | rv = get_errno(shmdt(g2h(shmaddr))); |
88a8c984 | 3929 | |
3c5f6a5f | 3930 | mmap_unlock(); |
88a8c984 | 3931 | |
3c5f6a5f | 3932 | return rv; |
88a8c984 RV |
3933 | } |
3934 | ||
1c54ff97 | 3935 | #ifdef TARGET_NR_ipc |
53a5960a | 3936 | /* ??? This only works with linear mappings. */ |
0da46a6e | 3937 | /* do_ipc() must return target values and target errnos. */ |
ee8e7614 PM |
3938 | static abi_long do_ipc(CPUArchState *cpu_env, |
3939 | unsigned int call, abi_long first, | |
37ed0956 | 3940 | abi_long second, abi_long third, |
992f48a0 | 3941 | abi_long ptr, abi_long fifth) |
8853f86e FB |
3942 | { |
3943 | int version; | |
992f48a0 | 3944 | abi_long ret = 0; |
8853f86e FB |
3945 | |
3946 | version = call >> 16; | |
3947 | call &= 0xffff; | |
3948 | ||
3949 | switch (call) { | |
fa294816 | 3950 | case IPCOP_semop: |
e5289087 | 3951 | ret = do_semop(first, ptr, second); |
fa294816 TS |
3952 | break; |
3953 | ||
3954 | case IPCOP_semget: | |
3955 | ret = get_errno(semget(first, second, third)); | |
3956 | break; | |
3957 | ||
5d2fa8eb TM |
3958 | case IPCOP_semctl: { |
3959 | /* The semun argument to semctl is passed by value, so dereference the | |
3960 | * ptr argument. */ | |
3961 | abi_ulong atptr; | |
37ed0956 | 3962 | get_user_ual(atptr, ptr); |
d1c002b6 | 3963 | ret = do_semctl(first, second, third, atptr); |
fa294816 | 3964 | break; |
5d2fa8eb | 3965 | } |
d96372ef | 3966 | |
1c54ff97 AJ |
3967 | case IPCOP_msgget: |
3968 | ret = get_errno(msgget(first, second)); | |
3969 | break; | |
d96372ef | 3970 | |
1c54ff97 AJ |
3971 | case IPCOP_msgsnd: |
3972 | ret = do_msgsnd(first, ptr, second, third); | |
3973 | break; | |
d96372ef | 3974 | |
1c54ff97 AJ |
3975 | case IPCOP_msgctl: |
3976 | ret = do_msgctl(first, second, ptr); | |
3977 | break; | |
d96372ef | 3978 | |
1c54ff97 AJ |
3979 | case IPCOP_msgrcv: |
3980 | switch (version) { | |
3981 | case 0: | |
3982 | { | |
3983 | struct target_ipc_kludge { | |
3984 | abi_long msgp; | |
3985 | abi_long msgtyp; | |
3986 | } *tmp; | |
3987 | ||
3988 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
3989 | ret = -TARGET_EFAULT; | |
3990 | break; | |
3991 | } | |
d96372ef | 3992 | |
79dd77de | 3993 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 3994 | |
1c54ff97 AJ |
3995 | unlock_user_struct(tmp, ptr, 0); |
3996 | break; | |
3997 | } | |
3998 | default: | |
3999 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
4000 | } | |
4001 | break; | |
d96372ef | 4002 | |
8853f86e | 4003 | case IPCOP_shmat: |
88a8c984 RV |
4004 | switch (version) { |
4005 | default: | |
5a4a898d FB |
4006 | { |
4007 | abi_ulong raddr; | |
ee8e7614 | 4008 | raddr = do_shmat(cpu_env, first, ptr, second); |
88a8c984 RV |
4009 | if (is_error(raddr)) |
4010 | return get_errno(raddr); | |
2f619698 | 4011 | if (put_user_ual(raddr, third)) |
5a4a898d | 4012 | return -TARGET_EFAULT; |
88a8c984 RV |
4013 | break; |
4014 | } | |
4015 | case 1: | |
4016 | ret = -TARGET_EINVAL; | |
4017 | break; | |
5a4a898d | 4018 | } |
8853f86e FB |
4019 | break; |
4020 | case IPCOP_shmdt: | |
88a8c984 | 4021 | ret = do_shmdt(ptr); |
8853f86e FB |
4022 | break; |
4023 | ||
4024 | case IPCOP_shmget: | |
4025 | /* IPC_* flag values are the same on all linux platforms */ | |
4026 | ret = get_errno(shmget(first, second, third)); | |
4027 | break; | |
4028 | ||
4029 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
4030 | case IPCOP_shmctl: | |
a2926784 | 4031 | ret = do_shmctl(first, second, ptr); |
8853f86e FB |
4032 | break; |
4033 | default: | |
32407103 | 4034 | gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); |
0da46a6e | 4035 | ret = -TARGET_ENOSYS; |
8853f86e FB |
4036 | break; |
4037 | } | |
4038 | return ret; | |
4039 | } | |
32407103 | 4040 | #endif |
8853f86e | 4041 | |
31e31b8a | 4042 | /* kernel structure types definitions */ |
31e31b8a | 4043 | |
001faf32 | 4044 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
4045 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
4046 | enum { | |
4047 | #include "syscall_types.h" | |
8be656b8 | 4048 | STRUCT_MAX |
31e31b8a FB |
4049 | }; |
4050 | #undef STRUCT | |
4051 | #undef STRUCT_SPECIAL | |
4052 | ||
001faf32 | 4053 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
4054 | #define STRUCT_SPECIAL(name) |
4055 | #include "syscall_types.h" | |
4056 | #undef STRUCT | |
4057 | #undef STRUCT_SPECIAL | |
4058 | ||
d2ef05bb PM |
4059 | typedef struct IOCTLEntry IOCTLEntry; |
4060 | ||
4061 | typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 4062 | int fd, int cmd, abi_long arg); |
d2ef05bb PM |
4063 | |
4064 | struct IOCTLEntry { | |
9c6bf9c7 | 4065 | int target_cmd; |
2ab83ea7 | 4066 | unsigned int host_cmd; |
31e31b8a FB |
4067 | const char *name; |
4068 | int access; | |
d2ef05bb | 4069 | do_ioctl_fn *do_ioctl; |
1a9353d2 | 4070 | const argtype arg_type[5]; |
d2ef05bb | 4071 | }; |
31e31b8a FB |
4072 | |
4073 | #define IOC_R 0x0001 | |
4074 | #define IOC_W 0x0002 | |
4075 | #define IOC_RW (IOC_R | IOC_W) | |
4076 | ||
4077 | #define MAX_STRUCT_SIZE 4096 | |
4078 | ||
dace20dc | 4079 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
4080 | /* So fiemap access checks don't overflow on 32 bit systems. |
4081 | * This is very slightly smaller than the limit imposed by | |
4082 | * the underlying kernel. | |
4083 | */ | |
4084 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
4085 | / sizeof(struct fiemap_extent)) | |
4086 | ||
4087 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 4088 | int fd, int cmd, abi_long arg) |
285da2b9 PM |
4089 | { |
4090 | /* The parameter for this ioctl is a struct fiemap followed | |
4091 | * by an array of struct fiemap_extent whose size is set | |
4092 | * in fiemap->fm_extent_count. The array is filled in by the | |
4093 | * ioctl. | |
4094 | */ | |
4095 | int target_size_in, target_size_out; | |
4096 | struct fiemap *fm; | |
4097 | const argtype *arg_type = ie->arg_type; | |
4098 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
4099 | void *argptr, *p; | |
4100 | abi_long ret; | |
4101 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
4102 | uint32_t outbufsz; | |
4103 | int free_fm = 0; | |
4104 | ||
4105 | assert(arg_type[0] == TYPE_PTR); | |
4106 | assert(ie->access == IOC_RW); | |
4107 | arg_type++; | |
4108 | target_size_in = thunk_type_size(arg_type, 0); | |
4109 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
4110 | if (!argptr) { | |
4111 | return -TARGET_EFAULT; | |
4112 | } | |
4113 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4114 | unlock_user(argptr, arg, 0); | |
4115 | fm = (struct fiemap *)buf_temp; | |
4116 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
4117 | return -TARGET_EINVAL; | |
4118 | } | |
4119 | ||
4120 | outbufsz = sizeof (*fm) + | |
4121 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
4122 | ||
4123 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4124 | /* We can't fit all the extents into the fixed size buffer. | |
4125 | * Allocate one that is large enough and use it instead. | |
4126 | */ | |
0e173b24 | 4127 | fm = g_try_malloc(outbufsz); |
285da2b9 PM |
4128 | if (!fm) { |
4129 | return -TARGET_ENOMEM; | |
4130 | } | |
4131 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
4132 | free_fm = 1; | |
4133 | } | |
49ca6f3e | 4134 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm)); |
285da2b9 PM |
4135 | if (!is_error(ret)) { |
4136 | target_size_out = target_size_in; | |
4137 | /* An extent_count of 0 means we were only counting the extents | |
4138 | * so there are no structs to copy | |
4139 | */ | |
4140 | if (fm->fm_extent_count != 0) { | |
4141 | target_size_out += fm->fm_mapped_extents * extent_size; | |
4142 | } | |
4143 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
4144 | if (!argptr) { | |
4145 | ret = -TARGET_EFAULT; | |
4146 | } else { | |
4147 | /* Convert the struct fiemap */ | |
4148 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
4149 | if (fm->fm_extent_count != 0) { | |
4150 | p = argptr + target_size_in; | |
4151 | /* ...and then all the struct fiemap_extents */ | |
4152 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
4153 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
4154 | THUNK_TARGET); | |
4155 | p += extent_size; | |
4156 | } | |
4157 | } | |
4158 | unlock_user(argptr, arg, target_size_out); | |
4159 | } | |
4160 | } | |
4161 | if (free_fm) { | |
0e173b24 | 4162 | g_free(fm); |
285da2b9 PM |
4163 | } |
4164 | return ret; | |
4165 | } | |
dace20dc | 4166 | #endif |
285da2b9 | 4167 | |
059c2f2c | 4168 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4169 | int fd, int cmd, abi_long arg) |
059c2f2c LV |
4170 | { |
4171 | const argtype *arg_type = ie->arg_type; | |
4172 | int target_size; | |
4173 | void *argptr; | |
4174 | int ret; | |
4175 | struct ifconf *host_ifconf; | |
4176 | uint32_t outbufsz; | |
4177 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
4178 | int target_ifreq_size; | |
4179 | int nb_ifreq; | |
4180 | int free_buf = 0; | |
4181 | int i; | |
4182 | int target_ifc_len; | |
4183 | abi_long target_ifc_buf; | |
4184 | int host_ifc_len; | |
4185 | char *host_ifc_buf; | |
4186 | ||
4187 | assert(arg_type[0] == TYPE_PTR); | |
4188 | assert(ie->access == IOC_RW); | |
4189 | ||
4190 | arg_type++; | |
4191 | target_size = thunk_type_size(arg_type, 0); | |
4192 | ||
4193 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4194 | if (!argptr) | |
4195 | return -TARGET_EFAULT; | |
4196 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4197 | unlock_user(argptr, arg, 0); | |
4198 | ||
4199 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
059c2f2c | 4200 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; |
059c2f2c | 4201 | target_ifreq_size = thunk_type_size(ifreq_arg_type, 0); |
059c2f2c | 4202 | |
22e4a267 KL |
4203 | if (target_ifc_buf != 0) { |
4204 | target_ifc_len = host_ifconf->ifc_len; | |
4205 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
4206 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
4207 | ||
4208 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
4209 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4210 | /* | |
4211 | * We can't fit all the extents into the fixed size buffer. | |
4212 | * Allocate one that is large enough and use it instead. | |
4213 | */ | |
4214 | host_ifconf = malloc(outbufsz); | |
4215 | if (!host_ifconf) { | |
4216 | return -TARGET_ENOMEM; | |
4217 | } | |
4218 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
4219 | free_buf = 1; | |
059c2f2c | 4220 | } |
22e4a267 | 4221 | host_ifc_buf = (char *)host_ifconf + sizeof(*host_ifconf); |
059c2f2c | 4222 | |
22e4a267 KL |
4223 | host_ifconf->ifc_len = host_ifc_len; |
4224 | } else { | |
4225 | host_ifc_buf = NULL; | |
4226 | } | |
059c2f2c LV |
4227 | host_ifconf->ifc_buf = host_ifc_buf; |
4228 | ||
49ca6f3e | 4229 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf)); |
059c2f2c LV |
4230 | if (!is_error(ret)) { |
4231 | /* convert host ifc_len to target ifc_len */ | |
4232 | ||
4233 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
4234 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
4235 | host_ifconf->ifc_len = target_ifc_len; | |
4236 | ||
4237 | /* restore target ifc_buf */ | |
4238 | ||
4239 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
4240 | ||
4241 | /* copy struct ifconf to target user */ | |
4242 | ||
4243 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4244 | if (!argptr) | |
4245 | return -TARGET_EFAULT; | |
4246 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
4247 | unlock_user(argptr, arg, target_size); | |
4248 | ||
22e4a267 KL |
4249 | if (target_ifc_buf != 0) { |
4250 | /* copy ifreq[] to target user */ | |
4251 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
4252 | for (i = 0; i < nb_ifreq ; i++) { | |
4253 | thunk_convert(argptr + i * target_ifreq_size, | |
4254 | host_ifc_buf + i * sizeof(struct ifreq), | |
4255 | ifreq_arg_type, THUNK_TARGET); | |
4256 | } | |
4257 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
059c2f2c | 4258 | } |
059c2f2c LV |
4259 | } |
4260 | ||
4261 | if (free_buf) { | |
4262 | free(host_ifconf); | |
4263 | } | |
4264 | ||
4265 | return ret; | |
4266 | } | |
4267 | ||
a133367e CT |
4268 | #if defined(CONFIG_USBFS) |
4269 | #if HOST_LONG_BITS > 64 | |
4270 | #error USBDEVFS thunks do not support >64 bit hosts yet. | |
4271 | #endif | |
4272 | struct live_urb { | |
4273 | uint64_t target_urb_adr; | |
4274 | uint64_t target_buf_adr; | |
4275 | char *target_buf_ptr; | |
4276 | struct usbdevfs_urb host_urb; | |
4277 | }; | |
4278 | ||
4279 | static GHashTable *usbdevfs_urb_hashtable(void) | |
4280 | { | |
4281 | static GHashTable *urb_hashtable; | |
4282 | ||
4283 | if (!urb_hashtable) { | |
4284 | urb_hashtable = g_hash_table_new(g_int64_hash, g_int64_equal); | |
4285 | } | |
4286 | return urb_hashtable; | |
4287 | } | |
4288 | ||
4289 | static void urb_hashtable_insert(struct live_urb *urb) | |
4290 | { | |
4291 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4292 | g_hash_table_insert(urb_hashtable, urb, urb); | |
4293 | } | |
4294 | ||
4295 | static struct live_urb *urb_hashtable_lookup(uint64_t target_urb_adr) | |
4296 | { | |
4297 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4298 | return g_hash_table_lookup(urb_hashtable, &target_urb_adr); | |
4299 | } | |
4300 | ||
4301 | static void urb_hashtable_remove(struct live_urb *urb) | |
4302 | { | |
4303 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4304 | g_hash_table_remove(urb_hashtable, urb); | |
4305 | } | |
4306 | ||
4307 | static abi_long | |
4308 | do_ioctl_usbdevfs_reapurb(const IOCTLEntry *ie, uint8_t *buf_temp, | |
4309 | int fd, int cmd, abi_long arg) | |
4310 | { | |
4311 | const argtype usbfsurb_arg_type[] = { MK_STRUCT(STRUCT_usbdevfs_urb) }; | |
4312 | const argtype ptrvoid_arg_type[] = { TYPE_PTRVOID, 0, 0 }; | |
4313 | struct live_urb *lurb; | |
4314 | void *argptr; | |
4315 | uint64_t hurb; | |
4316 | int target_size; | |
4317 | uintptr_t target_urb_adr; | |
4318 | abi_long ret; | |
4319 | ||
4320 | target_size = thunk_type_size(usbfsurb_arg_type, THUNK_TARGET); | |
4321 | ||
4322 | memset(buf_temp, 0, sizeof(uint64_t)); | |
4323 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); | |
4324 | if (is_error(ret)) { | |
4325 | return ret; | |
4326 | } | |
4327 | ||
4328 | memcpy(&hurb, buf_temp, sizeof(uint64_t)); | |
4329 | lurb = (void *)((uintptr_t)hurb - offsetof(struct live_urb, host_urb)); | |
4330 | if (!lurb->target_urb_adr) { | |
4331 | return -TARGET_EFAULT; | |
4332 | } | |
4333 | urb_hashtable_remove(lurb); | |
4334 | unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, | |
4335 | lurb->host_urb.buffer_length); | |
4336 | lurb->target_buf_ptr = NULL; | |
4337 | ||
4338 | /* restore the guest buffer pointer */ | |
4339 | lurb->host_urb.buffer = (void *)(uintptr_t)lurb->target_buf_adr; | |
4340 | ||
4341 | /* update the guest urb struct */ | |
4342 | argptr = lock_user(VERIFY_WRITE, lurb->target_urb_adr, target_size, 0); | |
4343 | if (!argptr) { | |
4344 | g_free(lurb); | |
4345 | return -TARGET_EFAULT; | |
4346 | } | |
4347 | thunk_convert(argptr, &lurb->host_urb, usbfsurb_arg_type, THUNK_TARGET); | |
4348 | unlock_user(argptr, lurb->target_urb_adr, target_size); | |
4349 | ||
4350 | target_size = thunk_type_size(ptrvoid_arg_type, THUNK_TARGET); | |
4351 | /* write back the urb handle */ | |
4352 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4353 | if (!argptr) { | |
4354 | g_free(lurb); | |
4355 | return -TARGET_EFAULT; | |
4356 | } | |
4357 | ||
4358 | /* GHashTable uses 64-bit keys but thunk_convert expects uintptr_t */ | |
4359 | target_urb_adr = lurb->target_urb_adr; | |
4360 | thunk_convert(argptr, &target_urb_adr, ptrvoid_arg_type, THUNK_TARGET); | |
4361 | unlock_user(argptr, arg, target_size); | |
4362 | ||
4363 | g_free(lurb); | |
4364 | return ret; | |
4365 | } | |
4366 | ||
4367 | static abi_long | |
4368 | do_ioctl_usbdevfs_discardurb(const IOCTLEntry *ie, | |
4369 | uint8_t *buf_temp __attribute__((unused)), | |
4370 | int fd, int cmd, abi_long arg) | |
4371 | { | |
4372 | struct live_urb *lurb; | |
4373 | ||
4374 | /* map target address back to host URB with metadata. */ | |
4375 | lurb = urb_hashtable_lookup(arg); | |
4376 | if (!lurb) { | |
4377 | return -TARGET_EFAULT; | |
4378 | } | |
4379 | return get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb)); | |
4380 | } | |
4381 | ||
4382 | static abi_long | |
4383 | do_ioctl_usbdevfs_submiturb(const IOCTLEntry *ie, uint8_t *buf_temp, | |
4384 | int fd, int cmd, abi_long arg) | |
4385 | { | |
4386 | const argtype *arg_type = ie->arg_type; | |
4387 | int target_size; | |
4388 | abi_long ret; | |
4389 | void *argptr; | |
4390 | int rw_dir; | |
4391 | struct live_urb *lurb; | |
4392 | ||
4393 | /* | |
4394 | * each submitted URB needs to map to a unique ID for the | |
4395 | * kernel, and that unique ID needs to be a pointer to | |
4396 | * host memory. hence, we need to malloc for each URB. | |
4397 | * isochronous transfers have a variable length struct. | |
4398 | */ | |
4399 | arg_type++; | |
4400 | target_size = thunk_type_size(arg_type, THUNK_TARGET); | |
4401 | ||
4402 | /* construct host copy of urb and metadata */ | |
4403 | lurb = g_try_malloc0(sizeof(struct live_urb)); | |
4404 | if (!lurb) { | |
4405 | return -TARGET_ENOMEM; | |
4406 | } | |
4407 | ||
4408 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4409 | if (!argptr) { | |
4410 | g_free(lurb); | |
4411 | return -TARGET_EFAULT; | |
4412 | } | |
4413 | thunk_convert(&lurb->host_urb, argptr, arg_type, THUNK_HOST); | |
4414 | unlock_user(argptr, arg, 0); | |
4415 | ||
4416 | lurb->target_urb_adr = arg; | |
4417 | lurb->target_buf_adr = (uintptr_t)lurb->host_urb.buffer; | |
4418 | ||
4419 | /* buffer space used depends on endpoint type so lock the entire buffer */ | |
4420 | /* control type urbs should check the buffer contents for true direction */ | |
4421 | rw_dir = lurb->host_urb.endpoint & USB_DIR_IN ? VERIFY_WRITE : VERIFY_READ; | |
4422 | lurb->target_buf_ptr = lock_user(rw_dir, lurb->target_buf_adr, | |
4423 | lurb->host_urb.buffer_length, 1); | |
4424 | if (lurb->target_buf_ptr == NULL) { | |
4425 | g_free(lurb); | |
4426 | return -TARGET_EFAULT; | |
4427 | } | |
4428 | ||
4429 | /* update buffer pointer in host copy */ | |
4430 | lurb->host_urb.buffer = lurb->target_buf_ptr; | |
4431 | ||
4432 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb)); | |
4433 | if (is_error(ret)) { | |
4434 | unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, 0); | |
4435 | g_free(lurb); | |
4436 | } else { | |
4437 | urb_hashtable_insert(lurb); | |
4438 | } | |
4439 | ||
4440 | return ret; | |
4441 | } | |
4442 | #endif /* CONFIG_USBFS */ | |
4443 | ||
56e904ec | 4444 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 4445 | int cmd, abi_long arg) |
56e904ec AG |
4446 | { |
4447 | void *argptr; | |
4448 | struct dm_ioctl *host_dm; | |
4449 | abi_long guest_data; | |
4450 | uint32_t guest_data_size; | |
4451 | int target_size; | |
4452 | const argtype *arg_type = ie->arg_type; | |
4453 | abi_long ret; | |
4454 | void *big_buf = NULL; | |
4455 | char *host_data; | |
4456 | ||
4457 | arg_type++; | |
4458 | target_size = thunk_type_size(arg_type, 0); | |
4459 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4460 | if (!argptr) { | |
4461 | ret = -TARGET_EFAULT; | |
4462 | goto out; | |
4463 | } | |
4464 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4465 | unlock_user(argptr, arg, 0); | |
4466 | ||
4467 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
4468 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
4469 | memcpy(big_buf, buf_temp, target_size); | |
4470 | buf_temp = big_buf; | |
4471 | host_dm = big_buf; | |
4472 | ||
4473 | guest_data = arg + host_dm->data_start; | |
4474 | if ((guest_data - arg) < 0) { | |
f9757b1d | 4475 | ret = -TARGET_EINVAL; |
56e904ec AG |
4476 | goto out; |
4477 | } | |
4478 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
4479 | host_data = (char*)host_dm + host_dm->data_start; | |
4480 | ||
4481 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3211215e PM |
4482 | if (!argptr) { |
4483 | ret = -TARGET_EFAULT; | |
4484 | goto out; | |
4485 | } | |
4486 | ||
56e904ec AG |
4487 | switch (ie->host_cmd) { |
4488 | case DM_REMOVE_ALL: | |
4489 | case DM_LIST_DEVICES: | |
4490 | case DM_DEV_CREATE: | |
4491 | case DM_DEV_REMOVE: | |
4492 | case DM_DEV_SUSPEND: | |
4493 | case DM_DEV_STATUS: | |
4494 | case DM_DEV_WAIT: | |
4495 | case DM_TABLE_STATUS: | |
4496 | case DM_TABLE_CLEAR: | |
4497 | case DM_TABLE_DEPS: | |
4498 | case DM_LIST_VERSIONS: | |
4499 | /* no input data */ | |
4500 | break; | |
4501 | case DM_DEV_RENAME: | |
4502 | case DM_DEV_SET_GEOMETRY: | |
4503 | /* data contains only strings */ | |
4504 | memcpy(host_data, argptr, guest_data_size); | |
4505 | break; | |
4506 | case DM_TARGET_MSG: | |
4507 | memcpy(host_data, argptr, guest_data_size); | |
4508 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
4509 | break; | |
4510 | case DM_TABLE_LOAD: | |
4511 | { | |
4512 | void *gspec = argptr; | |
4513 | void *cur_data = host_data; | |
4514 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
4515 | int spec_size = thunk_type_size(arg_type, 0); | |
4516 | int i; | |
4517 | ||
4518 | for (i = 0; i < host_dm->target_count; i++) { | |
4519 | struct dm_target_spec *spec = cur_data; | |
4520 | uint32_t next; | |
4521 | int slen; | |
4522 | ||
4523 | thunk_convert(spec, gspec, arg_type, THUNK_HOST); | |
4524 | slen = strlen((char*)gspec + spec_size) + 1; | |
4525 | next = spec->next; | |
4526 | spec->next = sizeof(*spec) + slen; | |
4527 | strcpy((char*)&spec[1], gspec + spec_size); | |
4528 | gspec += next; | |
4529 | cur_data += spec->next; | |
4530 | } | |
4531 | break; | |
4532 | } | |
4533 | default: | |
4534 | ret = -TARGET_EINVAL; | |
dec0473d | 4535 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
4536 | goto out; |
4537 | } | |
4538 | unlock_user(argptr, guest_data, 0); | |
4539 | ||
49ca6f3e | 4540 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
56e904ec AG |
4541 | if (!is_error(ret)) { |
4542 | guest_data = arg + host_dm->data_start; | |
4543 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
4544 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
4545 | switch (ie->host_cmd) { | |
4546 | case DM_REMOVE_ALL: | |
4547 | case DM_DEV_CREATE: | |
4548 | case DM_DEV_REMOVE: | |
4549 | case DM_DEV_RENAME: | |
4550 | case DM_DEV_SUSPEND: | |
4551 | case DM_DEV_STATUS: | |
4552 | case DM_TABLE_LOAD: | |
4553 | case DM_TABLE_CLEAR: | |
4554 | case DM_TARGET_MSG: | |
4555 | case DM_DEV_SET_GEOMETRY: | |
4556 | /* no return data */ | |
4557 | break; | |
4558 | case DM_LIST_DEVICES: | |
4559 | { | |
4560 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
4561 | uint32_t remaining_data = guest_data_size; | |
4562 | void *cur_data = argptr; | |
4563 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; | |
4564 | int nl_size = 12; /* can't use thunk_size due to alignment */ | |
4565 | ||
4566 | while (1) { | |
4567 | uint32_t next = nl->next; | |
4568 | if (next) { | |
4569 | nl->next = nl_size + (strlen(nl->name) + 1); | |
4570 | } | |
4571 | if (remaining_data < nl->next) { | |
4572 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
4573 | break; | |
4574 | } | |
4575 | thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); | |
4576 | strcpy(cur_data + nl_size, nl->name); | |
4577 | cur_data += nl->next; | |
4578 | remaining_data -= nl->next; | |
4579 | if (!next) { | |
4580 | break; | |
4581 | } | |
4582 | nl = (void*)nl + next; | |
4583 | } | |
4584 | break; | |
4585 | } | |
4586 | case DM_DEV_WAIT: | |
4587 | case DM_TABLE_STATUS: | |
4588 | { | |
4589 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
4590 | void *cur_data = argptr; | |
4591 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
4592 | int spec_size = thunk_type_size(arg_type, 0); | |
4593 | int i; | |
4594 | ||
4595 | for (i = 0; i < host_dm->target_count; i++) { | |
4596 | uint32_t next = spec->next; | |
4597 | int slen = strlen((char*)&spec[1]) + 1; | |
4598 | spec->next = (cur_data - argptr) + spec_size + slen; | |
4599 | if (guest_data_size < spec->next) { | |
4600 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
4601 | break; | |
4602 | } | |
4603 | thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); | |
4604 | strcpy(cur_data + spec_size, (char*)&spec[1]); | |
4605 | cur_data = argptr + spec->next; | |
4606 | spec = (void*)host_dm + host_dm->data_start + next; | |
4607 | } | |
4608 | break; | |
4609 | } | |
4610 | case DM_TABLE_DEPS: | |
4611 | { | |
4612 | void *hdata = (void*)host_dm + host_dm->data_start; | |
4613 | int count = *(uint32_t*)hdata; | |
4614 | uint64_t *hdev = hdata + 8; | |
4615 | uint64_t *gdev = argptr + 8; | |
4616 | int i; | |
4617 | ||
4618 | *(uint32_t*)argptr = tswap32(count); | |
4619 | for (i = 0; i < count; i++) { | |
4620 | *gdev = tswap64(*hdev); | |
4621 | gdev++; | |
4622 | hdev++; | |
4623 | } | |
4624 | break; | |
4625 | } | |
4626 | case DM_LIST_VERSIONS: | |
4627 | { | |
4628 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
4629 | uint32_t remaining_data = guest_data_size; | |
4630 | void *cur_data = argptr; | |
4631 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; | |
4632 | int vers_size = thunk_type_size(arg_type, 0); | |
4633 | ||
4634 | while (1) { | |
4635 | uint32_t next = vers->next; | |
4636 | if (next) { | |
4637 | vers->next = vers_size + (strlen(vers->name) + 1); | |
4638 | } | |
4639 | if (remaining_data < vers->next) { | |
4640 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
4641 | break; | |
4642 | } | |
4643 | thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); | |
4644 | strcpy(cur_data + vers_size, vers->name); | |
4645 | cur_data += vers->next; | |
4646 | remaining_data -= vers->next; | |
4647 | if (!next) { | |
4648 | break; | |
4649 | } | |
4650 | vers = (void*)vers + next; | |
4651 | } | |
4652 | break; | |
4653 | } | |
4654 | default: | |
dec0473d | 4655 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
4656 | ret = -TARGET_EINVAL; |
4657 | goto out; | |
4658 | } | |
4659 | unlock_user(argptr, guest_data, guest_data_size); | |
4660 | ||
4661 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4662 | if (!argptr) { | |
4663 | ret = -TARGET_EFAULT; | |
4664 | goto out; | |
4665 | } | |
4666 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
4667 | unlock_user(argptr, arg, target_size); | |
4668 | } | |
4669 | out: | |
ad11ad77 | 4670 | g_free(big_buf); |
56e904ec AG |
4671 | return ret; |
4672 | } | |
4673 | ||
a59b5e35 | 4674 | static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 4675 | int cmd, abi_long arg) |
a59b5e35 AG |
4676 | { |
4677 | void *argptr; | |
4678 | int target_size; | |
4679 | const argtype *arg_type = ie->arg_type; | |
4680 | const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) }; | |
4681 | abi_long ret; | |
4682 | ||
4683 | struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp; | |
4684 | struct blkpg_partition host_part; | |
4685 | ||
4686 | /* Read and convert blkpg */ | |
4687 | arg_type++; | |
4688 | target_size = thunk_type_size(arg_type, 0); | |
4689 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4690 | if (!argptr) { | |
4691 | ret = -TARGET_EFAULT; | |
4692 | goto out; | |
4693 | } | |
4694 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4695 | unlock_user(argptr, arg, 0); | |
4696 | ||
4697 | switch (host_blkpg->op) { | |
4698 | case BLKPG_ADD_PARTITION: | |
4699 | case BLKPG_DEL_PARTITION: | |
4700 | /* payload is struct blkpg_partition */ | |
4701 | break; | |
4702 | default: | |
4703 | /* Unknown opcode */ | |
4704 | ret = -TARGET_EINVAL; | |
4705 | goto out; | |
4706 | } | |
4707 | ||
4708 | /* Read and convert blkpg->data */ | |
4709 | arg = (abi_long)(uintptr_t)host_blkpg->data; | |
4710 | target_size = thunk_type_size(part_arg_type, 0); | |
4711 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4712 | if (!argptr) { | |
4713 | ret = -TARGET_EFAULT; | |
4714 | goto out; | |
4715 | } | |
4716 | thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST); | |
4717 | unlock_user(argptr, arg, 0); | |
4718 | ||
4719 | /* Swizzle the data pointer to our local copy and call! */ | |
4720 | host_blkpg->data = &host_part; | |
49ca6f3e | 4721 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg)); |
a59b5e35 AG |
4722 | |
4723 | out: | |
4724 | return ret; | |
4725 | } | |
4726 | ||
7ff7b666 | 4727 | static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4728 | int fd, int cmd, abi_long arg) |
7ff7b666 LV |
4729 | { |
4730 | const argtype *arg_type = ie->arg_type; | |
4731 | const StructEntry *se; | |
4732 | const argtype *field_types; | |
4733 | const int *dst_offsets, *src_offsets; | |
4734 | int target_size; | |
4735 | void *argptr; | |
b78c522a MAL |
4736 | abi_ulong *target_rt_dev_ptr = NULL; |
4737 | unsigned long *host_rt_dev_ptr = NULL; | |
7ff7b666 LV |
4738 | abi_long ret; |
4739 | int i; | |
4740 | ||
4741 | assert(ie->access == IOC_W); | |
4742 | assert(*arg_type == TYPE_PTR); | |
4743 | arg_type++; | |
4744 | assert(*arg_type == TYPE_STRUCT); | |
4745 | target_size = thunk_type_size(arg_type, 0); | |
4746 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4747 | if (!argptr) { | |
4748 | return -TARGET_EFAULT; | |
4749 | } | |
4750 | arg_type++; | |
4751 | assert(*arg_type == (int)STRUCT_rtentry); | |
4752 | se = struct_entries + *arg_type++; | |
4753 | assert(se->convert[0] == NULL); | |
4754 | /* convert struct here to be able to catch rt_dev string */ | |
4755 | field_types = se->field_types; | |
4756 | dst_offsets = se->field_offsets[THUNK_HOST]; | |
4757 | src_offsets = se->field_offsets[THUNK_TARGET]; | |
4758 | for (i = 0; i < se->nb_fields; i++) { | |
4759 | if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { | |
4760 | assert(*field_types == TYPE_PTRVOID); | |
4761 | target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]); | |
4762 | host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); | |
4763 | if (*target_rt_dev_ptr != 0) { | |
4764 | *host_rt_dev_ptr = (unsigned long)lock_user_string( | |
4765 | tswapal(*target_rt_dev_ptr)); | |
4766 | if (!*host_rt_dev_ptr) { | |
4767 | unlock_user(argptr, arg, 0); | |
4768 | return -TARGET_EFAULT; | |
4769 | } | |
4770 | } else { | |
4771 | *host_rt_dev_ptr = 0; | |
4772 | } | |
4773 | field_types++; | |
4774 | continue; | |
4775 | } | |
4776 | field_types = thunk_convert(buf_temp + dst_offsets[i], | |
4777 | argptr + src_offsets[i], | |
4778 | field_types, THUNK_HOST); | |
4779 | } | |
4780 | unlock_user(argptr, arg, 0); | |
4781 | ||
49ca6f3e | 4782 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
b78c522a MAL |
4783 | |
4784 | assert(host_rt_dev_ptr != NULL); | |
4785 | assert(target_rt_dev_ptr != NULL); | |
7ff7b666 LV |
4786 | if (*host_rt_dev_ptr != 0) { |
4787 | unlock_user((void *)*host_rt_dev_ptr, | |
4788 | *target_rt_dev_ptr, 0); | |
4789 | } | |
4790 | return ret; | |
4791 | } | |
4792 | ||
ca56f5b5 | 4793 | static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4794 | int fd, int cmd, abi_long arg) |
ca56f5b5 PB |
4795 | { |
4796 | int sig = target_to_host_signal(arg); | |
49ca6f3e | 4797 | return get_errno(safe_ioctl(fd, ie->host_cmd, sig)); |
ca56f5b5 PB |
4798 | } |
4799 | ||
2b74f621 AS |
4800 | #ifdef TIOCGPTPEER |
4801 | static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp, | |
4802 | int fd, int cmd, abi_long arg) | |
4803 | { | |
4804 | int flags = target_to_host_bitmask(arg, fcntl_flags_tbl); | |
4805 | return get_errno(safe_ioctl(fd, ie->host_cmd, flags)); | |
4806 | } | |
4807 | #endif | |
4808 | ||
9f106a75 | 4809 | static IOCTLEntry ioctl_entries[] = { |
001faf32 | 4810 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
4811 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
4812 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
4813 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
8cb762fe HD |
4814 | #define IOCTL_IGNORE(cmd) \ |
4815 | { TARGET_ ## cmd, 0, #cmd }, | |
31e31b8a FB |
4816 | #include "ioctls.h" |
4817 | { 0, 0, }, | |
4818 | }; | |
4819 | ||
53a5960a | 4820 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 4821 | /* do_ioctl() Must return target values and target errnos. */ |
45c874eb | 4822 | static abi_long do_ioctl(int fd, int cmd, abi_long arg) |
31e31b8a FB |
4823 | { |
4824 | const IOCTLEntry *ie; | |
4825 | const argtype *arg_type; | |
992f48a0 | 4826 | abi_long ret; |
31e31b8a | 4827 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
4828 | int target_size; |
4829 | void *argptr; | |
31e31b8a FB |
4830 | |
4831 | ie = ioctl_entries; | |
4832 | for(;;) { | |
4833 | if (ie->target_cmd == 0) { | |
32407103 | 4834 | gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
0da46a6e | 4835 | return -TARGET_ENOSYS; |
31e31b8a FB |
4836 | } |
4837 | if (ie->target_cmd == cmd) | |
4838 | break; | |
4839 | ie++; | |
4840 | } | |
4841 | arg_type = ie->arg_type; | |
d2ef05bb PM |
4842 | if (ie->do_ioctl) { |
4843 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
8cb762fe HD |
4844 | } else if (!ie->host_cmd) { |
4845 | /* Some architectures define BSD ioctls in their headers | |
4846 | that are not implemented in Linux. */ | |
4847 | return -TARGET_ENOSYS; | |
d2ef05bb PM |
4848 | } |
4849 | ||
31e31b8a FB |
4850 | switch(arg_type[0]) { |
4851 | case TYPE_NULL: | |
4852 | /* no argument */ | |
49ca6f3e | 4853 | ret = get_errno(safe_ioctl(fd, ie->host_cmd)); |
31e31b8a FB |
4854 | break; |
4855 | case TYPE_PTRVOID: | |
4856 | case TYPE_INT: | |
49ca6f3e | 4857 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg)); |
31e31b8a FB |
4858 | break; |
4859 | case TYPE_PTR: | |
4860 | arg_type++; | |
53a5960a | 4861 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
4862 | switch(ie->access) { |
4863 | case IOC_R: | |
49ca6f3e | 4864 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 4865 | if (!is_error(ret)) { |
579a97f7 FB |
4866 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
4867 | if (!argptr) | |
4868 | return -TARGET_EFAULT; | |
53a5960a PB |
4869 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
4870 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
4871 | } |
4872 | break; | |
4873 | case IOC_W: | |
579a97f7 FB |
4874 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
4875 | if (!argptr) | |
4876 | return -TARGET_EFAULT; | |
53a5960a PB |
4877 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
4878 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 4879 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a FB |
4880 | break; |
4881 | default: | |
4882 | case IOC_RW: | |
579a97f7 FB |
4883 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
4884 | if (!argptr) | |
4885 | return -TARGET_EFAULT; | |
53a5960a PB |
4886 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
4887 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 4888 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 4889 | if (!is_error(ret)) { |
579a97f7 FB |
4890 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
4891 | if (!argptr) | |
4892 | return -TARGET_EFAULT; | |
53a5960a PB |
4893 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
4894 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
4895 | } |
4896 | break; | |
4897 | } | |
4898 | break; | |
4899 | default: | |
32407103 JM |
4900 | gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", |
4901 | (long)cmd, arg_type[0]); | |
0da46a6e | 4902 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
4903 | break; |
4904 | } | |
4905 | return ret; | |
4906 | } | |
4907 | ||
b39bc503 | 4908 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
4909 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
4910 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
4911 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
4912 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
4913 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
4914 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
4915 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
4916 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
4917 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
4918 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
4919 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
4920 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
4921 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
4922 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
4923 | { 0, 0, 0, 0 } | |
4924 | }; | |
4925 | ||
b39bc503 | 4926 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
4927 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
4928 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
4929 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
4930 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
4931 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
4932 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
4933 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
4934 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
4935 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
4936 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
4937 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
4938 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
4939 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
4940 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
4941 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
4942 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
4943 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
4944 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
4945 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
4946 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
4947 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
4948 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
4949 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
4950 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
4951 | { 0, 0, 0, 0 } | |
4952 | }; | |
4953 | ||
b39bc503 | 4954 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
4955 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
4956 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
4957 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
4958 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
4959 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
4960 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
4961 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
4962 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
4963 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
4964 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
4965 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
4966 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
4967 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
4968 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
4969 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
4970 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
4971 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
4972 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
4973 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
4974 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
4975 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
4976 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
4977 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
4978 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
4979 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
4980 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
4981 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
4982 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
4983 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
4984 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
4985 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
4986 | { 0, 0, 0, 0 } | |
4987 | }; | |
4988 | ||
b39bc503 | 4989 | static const bitmask_transtbl lflag_tbl[] = { |
31e31b8a FB |
4990 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
4991 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
4992 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
4993 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
4994 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
4995 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
4996 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
4997 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
4998 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
4999 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
5000 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
5001 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
5002 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
5003 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
5004 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
5005 | { 0, 0, 0, 0 } | |
5006 | }; | |
5007 | ||
5008 | static void target_to_host_termios (void *dst, const void *src) | |
5009 | { | |
5010 | struct host_termios *host = dst; | |
5011 | const struct target_termios *target = src; | |
3b46e624 | 5012 | |
5fafdf24 | 5013 | host->c_iflag = |
31e31b8a | 5014 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 5015 | host->c_oflag = |
31e31b8a | 5016 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 5017 | host->c_cflag = |
31e31b8a | 5018 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 5019 | host->c_lflag = |
31e31b8a FB |
5020 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
5021 | host->c_line = target->c_line; | |
3b46e624 | 5022 | |
44607123 | 5023 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
5024 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
5025 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 5026 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 5027 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 5028 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 5029 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 5030 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 5031 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 5032 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
5033 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
5034 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
5035 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
5036 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
5037 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
5038 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
5039 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 5040 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 5041 | } |
3b46e624 | 5042 | |
31e31b8a FB |
5043 | static void host_to_target_termios (void *dst, const void *src) |
5044 | { | |
5045 | struct target_termios *target = dst; | |
5046 | const struct host_termios *host = src; | |
5047 | ||
5fafdf24 | 5048 | target->c_iflag = |
31e31b8a | 5049 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 5050 | target->c_oflag = |
31e31b8a | 5051 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 5052 | target->c_cflag = |
31e31b8a | 5053 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 5054 | target->c_lflag = |
31e31b8a FB |
5055 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
5056 | target->c_line = host->c_line; | |
3b46e624 | 5057 | |
44607123 | 5058 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
5059 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
5060 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
5061 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
5062 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
5063 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
5064 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
5065 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
5066 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
5067 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
5068 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
5069 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
5070 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
5071 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
5072 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
5073 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
5074 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
5075 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
5076 | } | |
5077 | ||
8e853dc7 | 5078 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
5079 | .convert = { host_to_target_termios, target_to_host_termios }, |
5080 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
5081 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
5082 | }; | |
5083 | ||
5286db75 | 5084 | static bitmask_transtbl mmap_flags_tbl[] = { |
541e1690 HD |
5085 | { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, |
5086 | { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, | |
5087 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, | |
5088 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, | |
5089 | MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
5090 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, | |
5091 | MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
5092 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, | |
5093 | MAP_DENYWRITE, MAP_DENYWRITE }, | |
5094 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, | |
5095 | MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
5096 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
5097 | { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, | |
5098 | MAP_NORESERVE, MAP_NORESERVE }, | |
5099 | { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB }, | |
5100 | /* MAP_STACK had been ignored by the kernel for quite some time. | |
5101 | Recognize it for the target insofar as we do not want to pass | |
5102 | it through to the host. */ | |
5103 | { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 }, | |
5104 | { 0, 0, 0, 0 } | |
5286db75 FB |
5105 | }; |
5106 | ||
2ab83ea7 | 5107 | #if defined(TARGET_I386) |
6dbad63e FB |
5108 | |
5109 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 5110 | static uint8_t *ldt_table; |
6dbad63e | 5111 | |
03acab66 | 5112 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
5113 | { |
5114 | int size; | |
53a5960a | 5115 | void *p; |
6dbad63e FB |
5116 | |
5117 | if (!ldt_table) | |
5118 | return 0; | |
5119 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
5120 | if (size > bytecount) | |
5121 | size = bytecount; | |
579a97f7 FB |
5122 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
5123 | if (!p) | |
03acab66 | 5124 | return -TARGET_EFAULT; |
579a97f7 | 5125 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
5126 | memcpy(p, ldt_table, size); |
5127 | unlock_user(p, ptr, size); | |
6dbad63e FB |
5128 | return size; |
5129 | } | |
5130 | ||
5131 | /* XXX: add locking support */ | |
03acab66 FB |
5132 | static abi_long write_ldt(CPUX86State *env, |
5133 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
5134 | { |
5135 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 5136 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 5137 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 5138 | int seg_not_present, useable, lm; |
6dbad63e FB |
5139 | uint32_t *lp, entry_1, entry_2; |
5140 | ||
5141 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 5142 | return -TARGET_EINVAL; |
579a97f7 | 5143 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 5144 | return -TARGET_EFAULT; |
53a5960a | 5145 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 5146 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
5147 | ldt_info.limit = tswap32(target_ldt_info->limit); |
5148 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
5149 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 5150 | |
6dbad63e | 5151 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 5152 | return -TARGET_EINVAL; |
6dbad63e FB |
5153 | seg_32bit = ldt_info.flags & 1; |
5154 | contents = (ldt_info.flags >> 1) & 3; | |
5155 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
5156 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
5157 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
5158 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
5159 | #ifdef TARGET_ABI32 |
5160 | lm = 0; | |
5161 | #else | |
5162 | lm = (ldt_info.flags >> 7) & 1; | |
5163 | #endif | |
6dbad63e FB |
5164 | if (contents == 3) { |
5165 | if (oldmode) | |
03acab66 | 5166 | return -TARGET_EINVAL; |
6dbad63e | 5167 | if (seg_not_present == 0) |
03acab66 | 5168 | return -TARGET_EINVAL; |
6dbad63e FB |
5169 | } |
5170 | /* allocate the LDT */ | |
5171 | if (!ldt_table) { | |
e441570f AZ |
5172 | env->ldt.base = target_mmap(0, |
5173 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
5174 | PROT_READ|PROT_WRITE, | |
5175 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
5176 | if (env->ldt.base == -1) | |
03acab66 | 5177 | return -TARGET_ENOMEM; |
e441570f AZ |
5178 | memset(g2h(env->ldt.base), 0, |
5179 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); | |
6dbad63e | 5180 | env->ldt.limit = 0xffff; |
e441570f | 5181 | ldt_table = g2h(env->ldt.base); |
6dbad63e FB |
5182 | } |
5183 | ||
5184 | /* NOTE: same code as Linux kernel */ | |
5185 | /* Allow LDTs to be cleared by the user. */ | |
5186 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
5187 | if (oldmode || | |
5188 | (contents == 0 && | |
5189 | read_exec_only == 1 && | |
5190 | seg_32bit == 0 && | |
5191 | limit_in_pages == 0 && | |
5192 | seg_not_present == 1 && | |
5193 | useable == 0 )) { | |
5194 | entry_1 = 0; | |
5195 | entry_2 = 0; | |
5196 | goto install; | |
5197 | } | |
5198 | } | |
3b46e624 | 5199 | |
6dbad63e FB |
5200 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
5201 | (ldt_info.limit & 0x0ffff); | |
5202 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
5203 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
5204 | (ldt_info.limit & 0xf0000) | | |
5205 | ((read_exec_only ^ 1) << 9) | | |
5206 | (contents << 10) | | |
5207 | ((seg_not_present ^ 1) << 15) | | |
5208 | (seg_32bit << 22) | | |
5209 | (limit_in_pages << 23) | | |
8d18e893 | 5210 | (lm << 21) | |
6dbad63e FB |
5211 | 0x7000; |
5212 | if (!oldmode) | |
5213 | entry_2 |= (useable << 20); | |
14ae3ba7 | 5214 | |
6dbad63e FB |
5215 | /* Install the new entry ... */ |
5216 | install: | |
5217 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
5218 | lp[0] = tswap32(entry_1); | |
5219 | lp[1] = tswap32(entry_2); | |
5220 | return 0; | |
5221 | } | |
5222 | ||
5223 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
5224 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
5225 | unsigned long bytecount) | |
6dbad63e | 5226 | { |
03acab66 | 5227 | abi_long ret; |
3b46e624 | 5228 | |
6dbad63e FB |
5229 | switch (func) { |
5230 | case 0: | |
5231 | ret = read_ldt(ptr, bytecount); | |
5232 | break; | |
5233 | case 1: | |
5234 | ret = write_ldt(env, ptr, bytecount, 1); | |
5235 | break; | |
5236 | case 0x11: | |
5237 | ret = write_ldt(env, ptr, bytecount, 0); | |
5238 | break; | |
03acab66 FB |
5239 | default: |
5240 | ret = -TARGET_ENOSYS; | |
5241 | break; | |
6dbad63e FB |
5242 | } |
5243 | return ret; | |
5244 | } | |
1b6b029e | 5245 | |
4583f589 | 5246 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
bc22eb44 | 5247 | abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
5248 | { |
5249 | uint64_t *gdt_table = g2h(env->gdt.base); | |
5250 | struct target_modify_ldt_ldt_s ldt_info; | |
5251 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
5252 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
5253 | int seg_not_present, useable, lm; | |
5254 | uint32_t *lp, entry_1, entry_2; | |
5255 | int i; | |
5256 | ||
5257 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
5258 | if (!target_ldt_info) | |
5259 | return -TARGET_EFAULT; | |
5260 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 5261 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
5262 | ldt_info.limit = tswap32(target_ldt_info->limit); |
5263 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
5264 | if (ldt_info.entry_number == -1) { | |
5265 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
5266 | if (gdt_table[i] == 0) { | |
5267 | ldt_info.entry_number = i; | |
5268 | target_ldt_info->entry_number = tswap32(i); | |
5269 | break; | |
5270 | } | |
5271 | } | |
5272 | } | |
5273 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5274 | ||
5275 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
5276 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
5277 | return -TARGET_EINVAL; | |
5278 | seg_32bit = ldt_info.flags & 1; | |
5279 | contents = (ldt_info.flags >> 1) & 3; | |
5280 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
5281 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
5282 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
5283 | useable = (ldt_info.flags >> 6) & 1; | |
5284 | #ifdef TARGET_ABI32 | |
5285 | lm = 0; | |
5286 | #else | |
5287 | lm = (ldt_info.flags >> 7) & 1; | |
5288 | #endif | |
5289 | ||
5290 | if (contents == 3) { | |
5291 | if (seg_not_present == 0) | |
5292 | return -TARGET_EINVAL; | |
5293 | } | |
5294 | ||
5295 | /* NOTE: same code as Linux kernel */ | |
5296 | /* Allow LDTs to be cleared by the user. */ | |
5297 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
5298 | if ((contents == 0 && | |
5299 | read_exec_only == 1 && | |
5300 | seg_32bit == 0 && | |
5301 | limit_in_pages == 0 && | |
5302 | seg_not_present == 1 && | |
5303 | useable == 0 )) { | |
5304 | entry_1 = 0; | |
5305 | entry_2 = 0; | |
5306 | goto install; | |
5307 | } | |
5308 | } | |
5309 | ||
5310 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
5311 | (ldt_info.limit & 0x0ffff); | |
5312 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
5313 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
5314 | (ldt_info.limit & 0xf0000) | | |
5315 | ((read_exec_only ^ 1) << 9) | | |
5316 | (contents << 10) | | |
5317 | ((seg_not_present ^ 1) << 15) | | |
5318 | (seg_32bit << 22) | | |
5319 | (limit_in_pages << 23) | | |
5320 | (useable << 20) | | |
5321 | (lm << 21) | | |
5322 | 0x7000; | |
5323 | ||
5324 | /* Install the new entry ... */ | |
5325 | install: | |
5326 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
5327 | lp[0] = tswap32(entry_1); | |
5328 | lp[1] = tswap32(entry_2); | |
5329 | return 0; | |
5330 | } | |
5331 | ||
8fcd3692 | 5332 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
5333 | { |
5334 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
5335 | uint64_t *gdt_table = g2h(env->gdt.base); | |
5336 | uint32_t base_addr, limit, flags; | |
5337 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
5338 | int seg_not_present, useable, lm; | |
5339 | uint32_t *lp, entry_1, entry_2; | |
5340 | ||
5341 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
5342 | if (!target_ldt_info) | |
5343 | return -TARGET_EFAULT; | |
5344 | idx = tswap32(target_ldt_info->entry_number); | |
5345 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
5346 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
5347 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5348 | return -TARGET_EINVAL; | |
5349 | } | |
5350 | lp = (uint32_t *)(gdt_table + idx); | |
5351 | entry_1 = tswap32(lp[0]); | |
5352 | entry_2 = tswap32(lp[1]); | |
5353 | ||
5354 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
5355 | contents = (entry_2 >> 10) & 3; | |
5356 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
5357 | seg_32bit = (entry_2 >> 22) & 1; | |
5358 | limit_in_pages = (entry_2 >> 23) & 1; | |
5359 | useable = (entry_2 >> 20) & 1; | |
5360 | #ifdef TARGET_ABI32 | |
5361 | lm = 0; | |
5362 | #else | |
5363 | lm = (entry_2 >> 21) & 1; | |
5364 | #endif | |
5365 | flags = (seg_32bit << 0) | (contents << 1) | | |
5366 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
5367 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
5368 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
5369 | base_addr = (entry_1 >> 16) | | |
5370 | (entry_2 & 0xff000000) | | |
5371 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 5372 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
5373 | target_ldt_info->limit = tswap32(limit); |
5374 | target_ldt_info->flags = tswap32(flags); | |
5375 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5376 | return 0; | |
5377 | } | |
4583f589 | 5378 | #endif /* TARGET_I386 && TARGET_ABI32 */ |
8d18e893 | 5379 | |
d2fd1af7 | 5380 | #ifndef TARGET_ABI32 |
2667e71c | 5381 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 5382 | { |
1add8698 | 5383 | abi_long ret = 0; |
d2fd1af7 FB |
5384 | abi_ulong val; |
5385 | int idx; | |
1add8698 | 5386 | |
d2fd1af7 FB |
5387 | switch(code) { |
5388 | case TARGET_ARCH_SET_GS: | |
5389 | case TARGET_ARCH_SET_FS: | |
5390 | if (code == TARGET_ARCH_SET_GS) | |
5391 | idx = R_GS; | |
5392 | else | |
5393 | idx = R_FS; | |
5394 | cpu_x86_load_seg(env, idx, 0); | |
5395 | env->segs[idx].base = addr; | |
5396 | break; | |
5397 | case TARGET_ARCH_GET_GS: | |
5398 | case TARGET_ARCH_GET_FS: | |
5399 | if (code == TARGET_ARCH_GET_GS) | |
5400 | idx = R_GS; | |
5401 | else | |
5402 | idx = R_FS; | |
5403 | val = env->segs[idx].base; | |
5404 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 5405 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
5406 | break; |
5407 | default: | |
5408 | ret = -TARGET_EINVAL; | |
5409 | break; | |
5410 | } | |
1add8698 | 5411 | return ret; |
d2fd1af7 FB |
5412 | } |
5413 | #endif | |
5414 | ||
2ab83ea7 FB |
5415 | #endif /* defined(TARGET_I386) */ |
5416 | ||
05098a93 | 5417 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 5418 | |
d865bab5 PB |
5419 | |
5420 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
5421 | typedef struct { | |
9349b4f9 | 5422 | CPUArchState *env; |
d865bab5 PB |
5423 | pthread_mutex_t mutex; |
5424 | pthread_cond_t cond; | |
5425 | pthread_t thread; | |
5426 | uint32_t tid; | |
5427 | abi_ulong child_tidptr; | |
5428 | abi_ulong parent_tidptr; | |
5429 | sigset_t sigmask; | |
5430 | } new_thread_info; | |
5431 | ||
5432 | static void *clone_func(void *arg) | |
5433 | { | |
5434 | new_thread_info *info = arg; | |
9349b4f9 | 5435 | CPUArchState *env; |
0d34282f | 5436 | CPUState *cpu; |
edf8e2af | 5437 | TaskState *ts; |
d865bab5 | 5438 | |
70903763 | 5439 | rcu_register_thread(); |
3468b59e | 5440 | tcg_register_thread(); |
d865bab5 | 5441 | env = info->env; |
0d34282f | 5442 | cpu = ENV_GET_CPU(env); |
a2247f8e | 5443 | thread_cpu = cpu; |
0429a971 | 5444 | ts = (TaskState *)cpu->opaque; |
d865bab5 | 5445 | info->tid = gettid(); |
edf8e2af | 5446 | task_settid(ts); |
d865bab5 PB |
5447 | if (info->child_tidptr) |
5448 | put_user_u32(info->tid, info->child_tidptr); | |
5449 | if (info->parent_tidptr) | |
5450 | put_user_u32(info->tid, info->parent_tidptr); | |
5451 | /* Enable signals. */ | |
5452 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
5453 | /* Signal to the parent that we're ready. */ | |
5454 | pthread_mutex_lock(&info->mutex); | |
5455 | pthread_cond_broadcast(&info->cond); | |
5456 | pthread_mutex_unlock(&info->mutex); | |
a4dd3d51 | 5457 | /* Wait until the parent has finished initializing the tls state. */ |
d865bab5 PB |
5458 | pthread_mutex_lock(&clone_lock); |
5459 | pthread_mutex_unlock(&clone_lock); | |
5460 | cpu_loop(env); | |
5461 | /* never exits */ | |
5462 | return NULL; | |
5463 | } | |
1b6b029e | 5464 | |
0da46a6e TS |
5465 | /* do_fork() Must return host values and target errnos (unlike most |
5466 | do_*() functions). */ | |
9349b4f9 | 5467 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
5468 | abi_ulong parent_tidptr, target_ulong newtls, |
5469 | abi_ulong child_tidptr) | |
1b6b029e | 5470 | { |
0429a971 | 5471 | CPUState *cpu = ENV_GET_CPU(env); |
1b6b029e | 5472 | int ret; |
5cd4393b | 5473 | TaskState *ts; |
0429a971 | 5474 | CPUState *new_cpu; |
9349b4f9 | 5475 | CPUArchState *new_env; |
d865bab5 | 5476 | sigset_t sigmask; |
3b46e624 | 5477 | |
5ea2fc84 PM |
5478 | flags &= ~CLONE_IGNORED_FLAGS; |
5479 | ||
436d124b AZ |
5480 | /* Emulate vfork() with fork() */ |
5481 | if (flags & CLONE_VFORK) | |
5482 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
5483 | ||
1b6b029e | 5484 | if (flags & CLONE_VM) { |
0429a971 | 5485 | TaskState *parent_ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
5486 | new_thread_info info; |
5487 | pthread_attr_t attr; | |
24cb36a6 | 5488 | |
5ea2fc84 PM |
5489 | if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) || |
5490 | (flags & CLONE_INVALID_THREAD_FLAGS)) { | |
5491 | return -TARGET_EINVAL; | |
5492 | } | |
5493 | ||
c78d65e8 | 5494 | ts = g_new0(TaskState, 1); |
624f7979 | 5495 | init_task_state(ts); |
73a988d9 MF |
5496 | |
5497 | /* Grab a mutex so that thread setup appears atomic. */ | |
5498 | pthread_mutex_lock(&clone_lock); | |
5499 | ||
1b6b029e | 5500 | /* we create a new CPU instance. */ |
c5be9f08 | 5501 | new_env = cpu_copy(env); |
6e68e076 PB |
5502 | /* Init regs that differ from the parent. */ |
5503 | cpu_clone_regs(new_env, newsp); | |
0429a971 AF |
5504 | new_cpu = ENV_GET_CPU(new_env); |
5505 | new_cpu->opaque = ts; | |
edf8e2af MW |
5506 | ts->bprm = parent_ts->bprm; |
5507 | ts->info = parent_ts->info; | |
3d3efba0 | 5508 | ts->signal_mask = parent_ts->signal_mask; |
d865bab5 | 5509 | |
7cfbd386 | 5510 | if (flags & CLONE_CHILD_CLEARTID) { |
c2764719 PB |
5511 | ts->child_tidptr = child_tidptr; |
5512 | } | |
5513 | ||
7cfbd386 | 5514 | if (flags & CLONE_SETTLS) { |
d865bab5 | 5515 | cpu_set_tls (new_env, newtls); |
7cfbd386 | 5516 | } |
d865bab5 | 5517 | |
d865bab5 PB |
5518 | memset(&info, 0, sizeof(info)); |
5519 | pthread_mutex_init(&info.mutex, NULL); | |
5520 | pthread_mutex_lock(&info.mutex); | |
5521 | pthread_cond_init(&info.cond, NULL); | |
5522 | info.env = new_env; | |
7cfbd386 | 5523 | if (flags & CLONE_CHILD_SETTID) { |
d865bab5 | 5524 | info.child_tidptr = child_tidptr; |
7cfbd386 PM |
5525 | } |
5526 | if (flags & CLONE_PARENT_SETTID) { | |
d865bab5 | 5527 | info.parent_tidptr = parent_tidptr; |
7cfbd386 | 5528 | } |
d865bab5 PB |
5529 | |
5530 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
5531 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
5532 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
5533 | /* It is not safe to deliver signals until the child has finished |
5534 | initializing, so temporarily block all signals. */ | |
5535 | sigfillset(&sigmask); | |
5536 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
5537 | ||
b67cb68b AB |
5538 | /* If this is our first additional thread, we need to ensure we |
5539 | * generate code for parallel execution and flush old translations. | |
5540 | */ | |
5541 | if (!parallel_cpus) { | |
5542 | parallel_cpus = true; | |
5543 | tb_flush(cpu); | |
5544 | } | |
5545 | ||
d865bab5 | 5546 | ret = pthread_create(&info.thread, &attr, clone_func, &info); |
c2764719 | 5547 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
5548 | |
5549 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
5550 | pthread_attr_destroy(&attr); | |
5551 | if (ret == 0) { | |
5552 | /* Wait for the child to initialize. */ | |
5553 | pthread_cond_wait(&info.cond, &info.mutex); | |
5554 | ret = info.tid; | |
d865bab5 PB |
5555 | } else { |
5556 | ret = -1; | |
5557 | } | |
5558 | pthread_mutex_unlock(&info.mutex); | |
5559 | pthread_cond_destroy(&info.cond); | |
5560 | pthread_mutex_destroy(&info.mutex); | |
5561 | pthread_mutex_unlock(&clone_lock); | |
1b6b029e FB |
5562 | } else { |
5563 | /* if no CLONE_VM, we consider it is a fork */ | |
5ea2fc84 PM |
5564 | if (flags & CLONE_INVALID_FORK_FLAGS) { |
5565 | return -TARGET_EINVAL; | |
5566 | } | |
5567 | ||
5568 | /* We can't support custom termination signals */ | |
5569 | if ((flags & CSIGNAL) != TARGET_SIGCHLD) { | |
93b4eff8 TB |
5570 | return -TARGET_EINVAL; |
5571 | } | |
7d92d34e TB |
5572 | |
5573 | if (block_signals()) { | |
5574 | return -TARGET_ERESTARTSYS; | |
5575 | } | |
5576 | ||
d865bab5 | 5577 | fork_start(); |
1b6b029e | 5578 | ret = fork(); |
d865bab5 | 5579 | if (ret == 0) { |
2b1319c8 | 5580 | /* Child Process. */ |
d865bab5 PB |
5581 | cpu_clone_regs(env, newsp); |
5582 | fork_end(1); | |
2b1319c8 AJ |
5583 | /* There is a race condition here. The parent process could |
5584 | theoretically read the TID in the child process before the child | |
5585 | tid is set. This would require using either ptrace | |
5586 | (not implemented) or having *_tidptr to point at a shared memory | |
5587 | mapping. We can't repeat the spinlock hack used above because | |
5588 | the child process gets its own copy of the lock. */ | |
d865bab5 PB |
5589 | if (flags & CLONE_CHILD_SETTID) |
5590 | put_user_u32(gettid(), child_tidptr); | |
5591 | if (flags & CLONE_PARENT_SETTID) | |
5592 | put_user_u32(gettid(), parent_tidptr); | |
0429a971 | 5593 | ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
5594 | if (flags & CLONE_SETTLS) |
5595 | cpu_set_tls (env, newtls); | |
c2764719 PB |
5596 | if (flags & CLONE_CHILD_CLEARTID) |
5597 | ts->child_tidptr = child_tidptr; | |
d865bab5 PB |
5598 | } else { |
5599 | fork_end(0); | |
5600 | } | |
1b6b029e FB |
5601 | } |
5602 | return ret; | |
5603 | } | |
5604 | ||
5f106811 APR |
5605 | /* warning : doesn't handle linux specific flags... */ |
5606 | static int target_to_host_fcntl_cmd(int cmd) | |
5607 | { | |
4a545761 SB |
5608 | int ret; |
5609 | ||
5f106811 | 5610 | switch(cmd) { |
4a545761 SB |
5611 | case TARGET_F_DUPFD: |
5612 | case TARGET_F_GETFD: | |
5613 | case TARGET_F_SETFD: | |
5614 | case TARGET_F_GETFL: | |
5615 | case TARGET_F_SETFL: | |
5616 | ret = cmd; | |
5617 | break; | |
5618 | case TARGET_F_GETLK: | |
5619 | ret = F_GETLK64; | |
5620 | break; | |
5621 | case TARGET_F_SETLK: | |
5622 | ret = F_SETLK64; | |
5623 | break; | |
5624 | case TARGET_F_SETLKW: | |
5625 | ret = F_SETLKW64; | |
5626 | break; | |
5627 | case TARGET_F_GETOWN: | |
5628 | ret = F_GETOWN; | |
5629 | break; | |
5630 | case TARGET_F_SETOWN: | |
5631 | ret = F_SETOWN; | |
5632 | break; | |
5633 | case TARGET_F_GETSIG: | |
5634 | ret = F_GETSIG; | |
5635 | break; | |
5636 | case TARGET_F_SETSIG: | |
5637 | ret = F_SETSIG; | |
5638 | break; | |
5f106811 | 5639 | #if TARGET_ABI_BITS == 32 |
4a545761 SB |
5640 | case TARGET_F_GETLK64: |
5641 | ret = F_GETLK64; | |
5642 | break; | |
5643 | case TARGET_F_SETLK64: | |
5644 | ret = F_SETLK64; | |
5645 | break; | |
5646 | case TARGET_F_SETLKW64: | |
5647 | ret = F_SETLKW64; | |
5648 | break; | |
5f106811 | 5649 | #endif |
4a545761 SB |
5650 | case TARGET_F_SETLEASE: |
5651 | ret = F_SETLEASE; | |
5652 | break; | |
5653 | case TARGET_F_GETLEASE: | |
5654 | ret = F_GETLEASE; | |
5655 | break; | |
fbd5de9b | 5656 | #ifdef F_DUPFD_CLOEXEC |
4a545761 SB |
5657 | case TARGET_F_DUPFD_CLOEXEC: |
5658 | ret = F_DUPFD_CLOEXEC; | |
5659 | break; | |
fbd5de9b | 5660 | #endif |
4a545761 SB |
5661 | case TARGET_F_NOTIFY: |
5662 | ret = F_NOTIFY; | |
5663 | break; | |
8d5d3004 | 5664 | #ifdef F_GETOWN_EX |
4a545761 SB |
5665 | case TARGET_F_GETOWN_EX: |
5666 | ret = F_GETOWN_EX; | |
5667 | break; | |
8d5d3004 AS |
5668 | #endif |
5669 | #ifdef F_SETOWN_EX | |
4a545761 SB |
5670 | case TARGET_F_SETOWN_EX: |
5671 | ret = F_SETOWN_EX; | |
5672 | break; | |
8d5d3004 | 5673 | #endif |
ddf31aa8 | 5674 | #ifdef F_SETPIPE_SZ |
4a545761 SB |
5675 | case TARGET_F_SETPIPE_SZ: |
5676 | ret = F_SETPIPE_SZ; | |
5677 | break; | |
5678 | case TARGET_F_GETPIPE_SZ: | |
5679 | ret = F_GETPIPE_SZ; | |
5680 | break; | |
ddf31aa8 | 5681 | #endif |
4a545761 SB |
5682 | default: |
5683 | ret = -TARGET_EINVAL; | |
5684 | break; | |
5685 | } | |
5686 | ||
5687 | #if defined(__powerpc64__) | |
5688 | /* On PPC64, glibc headers has the F_*LK* defined to 12, 13 and 14 and | |
5689 | * is not supported by kernel. The glibc fcntl call actually adjusts | |
5690 | * them to 5, 6 and 7 before making the syscall(). Since we make the | |
5691 | * syscall directly, adjust to what is supported by the kernel. | |
5692 | */ | |
5693 | if (ret >= F_GETLK64 && ret <= F_SETLKW64) { | |
5694 | ret -= F_GETLK64 - 5; | |
5f106811 | 5695 | } |
4a545761 SB |
5696 | #endif |
5697 | ||
5698 | return ret; | |
5f106811 APR |
5699 | } |
5700 | ||
ae68ad9f LV |
5701 | #define FLOCK_TRANSTBL \ |
5702 | switch (type) { \ | |
5703 | TRANSTBL_CONVERT(F_RDLCK); \ | |
5704 | TRANSTBL_CONVERT(F_WRLCK); \ | |
5705 | TRANSTBL_CONVERT(F_UNLCK); \ | |
5706 | TRANSTBL_CONVERT(F_EXLCK); \ | |
5707 | TRANSTBL_CONVERT(F_SHLCK); \ | |
5708 | } | |
5709 | ||
5710 | static int target_to_host_flock(int type) | |
5711 | { | |
5712 | #define TRANSTBL_CONVERT(a) case TARGET_##a: return a | |
5713 | FLOCK_TRANSTBL | |
5714 | #undef TRANSTBL_CONVERT | |
5715 | return -TARGET_EINVAL; | |
5716 | } | |
5717 | ||
5718 | static int host_to_target_flock(int type) | |
5719 | { | |
5720 | #define TRANSTBL_CONVERT(a) case a: return TARGET_##a | |
5721 | FLOCK_TRANSTBL | |
5722 | #undef TRANSTBL_CONVERT | |
5723 | /* if we don't know how to convert the value coming | |
5724 | * from the host we copy to the target field as-is | |
5725 | */ | |
5726 | return type; | |
5727 | } | |
2ba7f730 | 5728 | |
213d3e9e PM |
5729 | static inline abi_long copy_from_user_flock(struct flock64 *fl, |
5730 | abi_ulong target_flock_addr) | |
7775e9ec | 5731 | { |
53a5960a | 5732 | struct target_flock *target_fl; |
ae68ad9f | 5733 | int l_type; |
213d3e9e PM |
5734 | |
5735 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
5736 | return -TARGET_EFAULT; | |
5737 | } | |
5738 | ||
5739 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
5740 | l_type = target_to_host_flock(l_type); |
5741 | if (l_type < 0) { | |
5742 | return l_type; | |
5743 | } | |
5744 | fl->l_type = l_type; | |
213d3e9e PM |
5745 | __get_user(fl->l_whence, &target_fl->l_whence); |
5746 | __get_user(fl->l_start, &target_fl->l_start); | |
5747 | __get_user(fl->l_len, &target_fl->l_len); | |
5748 | __get_user(fl->l_pid, &target_fl->l_pid); | |
5749 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
5750 | return 0; | |
5751 | } | |
5752 | ||
5753 | static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr, | |
5754 | const struct flock64 *fl) | |
5755 | { | |
5756 | struct target_flock *target_fl; | |
5757 | short l_type; | |
5758 | ||
5759 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
5760 | return -TARGET_EFAULT; | |
5761 | } | |
5762 | ||
ae68ad9f | 5763 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
5764 | __put_user(l_type, &target_fl->l_type); |
5765 | __put_user(fl->l_whence, &target_fl->l_whence); | |
5766 | __put_user(fl->l_start, &target_fl->l_start); | |
5767 | __put_user(fl->l_len, &target_fl->l_len); | |
5768 | __put_user(fl->l_pid, &target_fl->l_pid); | |
5769 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
5770 | return 0; | |
5771 | } | |
5772 | ||
5773 | typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr); | |
5774 | typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl); | |
5775 | ||
5776 | #if defined(TARGET_ARM) && TARGET_ABI_BITS == 32 | |
7f254c5c | 5777 | static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl, |
213d3e9e PM |
5778 | abi_ulong target_flock_addr) |
5779 | { | |
7f254c5c | 5780 | struct target_oabi_flock64 *target_fl; |
ae68ad9f | 5781 | int l_type; |
213d3e9e PM |
5782 | |
5783 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
5784 | return -TARGET_EFAULT; | |
5785 | } | |
5786 | ||
5787 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
5788 | l_type = target_to_host_flock(l_type); |
5789 | if (l_type < 0) { | |
5790 | return l_type; | |
5791 | } | |
5792 | fl->l_type = l_type; | |
213d3e9e PM |
5793 | __get_user(fl->l_whence, &target_fl->l_whence); |
5794 | __get_user(fl->l_start, &target_fl->l_start); | |
5795 | __get_user(fl->l_len, &target_fl->l_len); | |
5796 | __get_user(fl->l_pid, &target_fl->l_pid); | |
5797 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
5798 | return 0; | |
5799 | } | |
5800 | ||
7f254c5c | 5801 | static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr, |
213d3e9e PM |
5802 | const struct flock64 *fl) |
5803 | { | |
7f254c5c | 5804 | struct target_oabi_flock64 *target_fl; |
213d3e9e PM |
5805 | short l_type; |
5806 | ||
5807 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
5808 | return -TARGET_EFAULT; | |
5809 | } | |
5810 | ||
ae68ad9f | 5811 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
5812 | __put_user(l_type, &target_fl->l_type); |
5813 | __put_user(fl->l_whence, &target_fl->l_whence); | |
5814 | __put_user(fl->l_start, &target_fl->l_start); | |
5815 | __put_user(fl->l_len, &target_fl->l_len); | |
5816 | __put_user(fl->l_pid, &target_fl->l_pid); | |
5817 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
5818 | return 0; | |
5819 | } | |
5820 | #endif | |
5821 | ||
5822 | static inline abi_long copy_from_user_flock64(struct flock64 *fl, | |
5823 | abi_ulong target_flock_addr) | |
5824 | { | |
5825 | struct target_flock64 *target_fl; | |
ae68ad9f | 5826 | int l_type; |
213d3e9e PM |
5827 | |
5828 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
5829 | return -TARGET_EFAULT; | |
5830 | } | |
5831 | ||
5832 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
5833 | l_type = target_to_host_flock(l_type); |
5834 | if (l_type < 0) { | |
5835 | return l_type; | |
5836 | } | |
5837 | fl->l_type = l_type; | |
213d3e9e PM |
5838 | __get_user(fl->l_whence, &target_fl->l_whence); |
5839 | __get_user(fl->l_start, &target_fl->l_start); | |
5840 | __get_user(fl->l_len, &target_fl->l_len); | |
5841 | __get_user(fl->l_pid, &target_fl->l_pid); | |
5842 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
5843 | return 0; | |
5844 | } | |
5845 | ||
5846 | static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr, | |
5847 | const struct flock64 *fl) | |
5848 | { | |
5849 | struct target_flock64 *target_fl; | |
5850 | short l_type; | |
5851 | ||
5852 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
5853 | return -TARGET_EFAULT; | |
5854 | } | |
5855 | ||
ae68ad9f | 5856 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
5857 | __put_user(l_type, &target_fl->l_type); |
5858 | __put_user(fl->l_whence, &target_fl->l_whence); | |
5859 | __put_user(fl->l_start, &target_fl->l_start); | |
5860 | __put_user(fl->l_len, &target_fl->l_len); | |
5861 | __put_user(fl->l_pid, &target_fl->l_pid); | |
5862 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
5863 | return 0; | |
5864 | } | |
5865 | ||
5866 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) | |
5867 | { | |
43f238d7 | 5868 | struct flock64 fl64; |
8d5d3004 AS |
5869 | #ifdef F_GETOWN_EX |
5870 | struct f_owner_ex fox; | |
5871 | struct target_f_owner_ex *target_fox; | |
5872 | #endif | |
992f48a0 | 5873 | abi_long ret; |
5f106811 APR |
5874 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
5875 | ||
5876 | if (host_cmd == -TARGET_EINVAL) | |
5877 | return host_cmd; | |
53a5960a | 5878 | |
7775e9ec FB |
5879 | switch(cmd) { |
5880 | case TARGET_F_GETLK: | |
213d3e9e PM |
5881 | ret = copy_from_user_flock(&fl64, arg); |
5882 | if (ret) { | |
5883 | return ret; | |
5884 | } | |
435da5e7 | 5885 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 5886 | if (ret == 0) { |
213d3e9e | 5887 | ret = copy_to_user_flock(arg, &fl64); |
7775e9ec FB |
5888 | } |
5889 | break; | |
3b46e624 | 5890 | |
7775e9ec FB |
5891 | case TARGET_F_SETLK: |
5892 | case TARGET_F_SETLKW: | |
213d3e9e PM |
5893 | ret = copy_from_user_flock(&fl64, arg); |
5894 | if (ret) { | |
5895 | return ret; | |
5896 | } | |
435da5e7 | 5897 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 5898 | break; |
3b46e624 | 5899 | |
7775e9ec | 5900 | case TARGET_F_GETLK64: |
213d3e9e PM |
5901 | ret = copy_from_user_flock64(&fl64, arg); |
5902 | if (ret) { | |
5903 | return ret; | |
5904 | } | |
435da5e7 | 5905 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 5906 | if (ret == 0) { |
213d3e9e | 5907 | ret = copy_to_user_flock64(arg, &fl64); |
43f238d7 | 5908 | } |
9ee1fa2c | 5909 | break; |
7775e9ec FB |
5910 | case TARGET_F_SETLK64: |
5911 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
5912 | ret = copy_from_user_flock64(&fl64, arg); |
5913 | if (ret) { | |
5914 | return ret; | |
5915 | } | |
435da5e7 | 5916 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
5917 | break; |
5918 | ||
5f106811 | 5919 | case TARGET_F_GETFL: |
435da5e7 | 5920 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
9ee1fa2c FB |
5921 | if (ret >= 0) { |
5922 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
5923 | } | |
ffa65c3b FB |
5924 | break; |
5925 | ||
5f106811 | 5926 | case TARGET_F_SETFL: |
435da5e7 PM |
5927 | ret = get_errno(safe_fcntl(fd, host_cmd, |
5928 | target_to_host_bitmask(arg, | |
5929 | fcntl_flags_tbl))); | |
5f106811 APR |
5930 | break; |
5931 | ||
8d5d3004 AS |
5932 | #ifdef F_GETOWN_EX |
5933 | case TARGET_F_GETOWN_EX: | |
435da5e7 | 5934 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
5935 | if (ret >= 0) { |
5936 | if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0)) | |
5937 | return -TARGET_EFAULT; | |
5938 | target_fox->type = tswap32(fox.type); | |
5939 | target_fox->pid = tswap32(fox.pid); | |
5940 | unlock_user_struct(target_fox, arg, 1); | |
5941 | } | |
5942 | break; | |
5943 | #endif | |
5944 | ||
5945 | #ifdef F_SETOWN_EX | |
5946 | case TARGET_F_SETOWN_EX: | |
5947 | if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1)) | |
5948 | return -TARGET_EFAULT; | |
5949 | fox.type = tswap32(target_fox->type); | |
5950 | fox.pid = tswap32(target_fox->pid); | |
5951 | unlock_user_struct(target_fox, arg, 0); | |
435da5e7 | 5952 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
5953 | break; |
5954 | #endif | |
5955 | ||
5f106811 APR |
5956 | case TARGET_F_SETOWN: |
5957 | case TARGET_F_GETOWN: | |
5958 | case TARGET_F_SETSIG: | |
5959 | case TARGET_F_GETSIG: | |
7e22e546 UH |
5960 | case TARGET_F_SETLEASE: |
5961 | case TARGET_F_GETLEASE: | |
7e3b92ec PM |
5962 | case TARGET_F_SETPIPE_SZ: |
5963 | case TARGET_F_GETPIPE_SZ: | |
435da5e7 | 5964 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
5965 | break; |
5966 | ||
7775e9ec | 5967 | default: |
435da5e7 | 5968 | ret = get_errno(safe_fcntl(fd, cmd, arg)); |
7775e9ec FB |
5969 | break; |
5970 | } | |
5971 | return ret; | |
5972 | } | |
5973 | ||
67867308 | 5974 | #ifdef USE_UID16 |
7775e9ec | 5975 | |
67867308 FB |
5976 | static inline int high2lowuid(int uid) |
5977 | { | |
5978 | if (uid > 65535) | |
5979 | return 65534; | |
5980 | else | |
5981 | return uid; | |
5982 | } | |
5983 | ||
5984 | static inline int high2lowgid(int gid) | |
5985 | { | |
5986 | if (gid > 65535) | |
5987 | return 65534; | |
5988 | else | |
5989 | return gid; | |
5990 | } | |
5991 | ||
5992 | static inline int low2highuid(int uid) | |
5993 | { | |
5994 | if ((int16_t)uid == -1) | |
5995 | return -1; | |
5996 | else | |
5997 | return uid; | |
5998 | } | |
5999 | ||
6000 | static inline int low2highgid(int gid) | |
6001 | { | |
6002 | if ((int16_t)gid == -1) | |
6003 | return -1; | |
6004 | else | |
6005 | return gid; | |
6006 | } | |
0c866a7e RV |
6007 | static inline int tswapid(int id) |
6008 | { | |
6009 | return tswap16(id); | |
6010 | } | |
76ca310a PM |
6011 | |
6012 | #define put_user_id(x, gaddr) put_user_u16(x, gaddr) | |
6013 | ||
0c866a7e RV |
6014 | #else /* !USE_UID16 */ |
6015 | static inline int high2lowuid(int uid) | |
6016 | { | |
6017 | return uid; | |
6018 | } | |
6019 | static inline int high2lowgid(int gid) | |
6020 | { | |
6021 | return gid; | |
6022 | } | |
6023 | static inline int low2highuid(int uid) | |
6024 | { | |
6025 | return uid; | |
6026 | } | |
6027 | static inline int low2highgid(int gid) | |
6028 | { | |
6029 | return gid; | |
6030 | } | |
6031 | static inline int tswapid(int id) | |
6032 | { | |
6033 | return tswap32(id); | |
6034 | } | |
76ca310a PM |
6035 | |
6036 | #define put_user_id(x, gaddr) put_user_u32(x, gaddr) | |
6037 | ||
67867308 | 6038 | #endif /* USE_UID16 */ |
1b6b029e | 6039 | |
fd6f7798 PM |
6040 | /* We must do direct syscalls for setting UID/GID, because we want to |
6041 | * implement the Linux system call semantics of "change only for this thread", | |
6042 | * not the libc/POSIX semantics of "change for all threads in process". | |
6043 | * (See http://ewontfix.com/17/ for more details.) | |
6044 | * We use the 32-bit version of the syscalls if present; if it is not | |
6045 | * then either the host architecture supports 32-bit UIDs natively with | |
6046 | * the standard syscall, or the 16-bit UID is the best we can do. | |
6047 | */ | |
6048 | #ifdef __NR_setuid32 | |
6049 | #define __NR_sys_setuid __NR_setuid32 | |
6050 | #else | |
6051 | #define __NR_sys_setuid __NR_setuid | |
6052 | #endif | |
6053 | #ifdef __NR_setgid32 | |
6054 | #define __NR_sys_setgid __NR_setgid32 | |
6055 | #else | |
6056 | #define __NR_sys_setgid __NR_setgid | |
6057 | #endif | |
6058 | #ifdef __NR_setresuid32 | |
6059 | #define __NR_sys_setresuid __NR_setresuid32 | |
6060 | #else | |
6061 | #define __NR_sys_setresuid __NR_setresuid | |
6062 | #endif | |
6063 | #ifdef __NR_setresgid32 | |
6064 | #define __NR_sys_setresgid __NR_setresgid32 | |
6065 | #else | |
6066 | #define __NR_sys_setresgid __NR_setresgid | |
6067 | #endif | |
6068 | ||
6069 | _syscall1(int, sys_setuid, uid_t, uid) | |
6070 | _syscall1(int, sys_setgid, gid_t, gid) | |
6071 | _syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) | |
6072 | _syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid) | |
6073 | ||
31e31b8a FB |
6074 | void syscall_init(void) |
6075 | { | |
2ab83ea7 FB |
6076 | IOCTLEntry *ie; |
6077 | const argtype *arg_type; | |
6078 | int size; | |
b92c47c1 | 6079 | int i; |
2ab83ea7 | 6080 | |
8be656b8 AG |
6081 | thunk_init(STRUCT_MAX); |
6082 | ||
001faf32 | 6083 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 6084 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
6085 | #include "syscall_types.h" |
6086 | #undef STRUCT | |
6087 | #undef STRUCT_SPECIAL | |
2ab83ea7 | 6088 | |
dd6e957a PM |
6089 | /* Build target_to_host_errno_table[] table from |
6090 | * host_to_target_errno_table[]. */ | |
6091 | for (i = 0; i < ERRNO_TABLE_SIZE; i++) { | |
6092 | target_to_host_errno_table[host_to_target_errno_table[i]] = i; | |
6093 | } | |
6094 | ||
2ab83ea7 FB |
6095 | /* we patch the ioctl size if necessary. We rely on the fact that |
6096 | no ioctl has all the bits at '1' in the size field */ | |
6097 | ie = ioctl_entries; | |
6098 | while (ie->target_cmd != 0) { | |
6099 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
6100 | TARGET_IOC_SIZEMASK) { | |
6101 | arg_type = ie->arg_type; | |
6102 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 6103 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
6104 | ie->target_cmd); |
6105 | exit(1); | |
6106 | } | |
6107 | arg_type++; | |
6108 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 6109 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
6110 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
6111 | (size << TARGET_IOC_SIZESHIFT); | |
6112 | } | |
b92c47c1 | 6113 | |
2ab83ea7 | 6114 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
6115 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
6116 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
6117 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
6118 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
6119 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
6120 | } |
6121 | #endif | |
6122 | ie++; | |
6123 | } | |
31e31b8a | 6124 | } |
c573ff67 | 6125 | |
992f48a0 | 6126 | #if TARGET_ABI_BITS == 32 |
ce4defa0 PB |
6127 | static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
6128 | { | |
af325d36 | 6129 | #ifdef TARGET_WORDS_BIGENDIAN |
ce4defa0 PB |
6130 | return ((uint64_t)word0 << 32) | word1; |
6131 | #else | |
6132 | return ((uint64_t)word1 << 32) | word0; | |
6133 | #endif | |
6134 | } | |
992f48a0 | 6135 | #else /* TARGET_ABI_BITS == 32 */ |
32407103 JM |
6136 | static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
6137 | { | |
6138 | return word0; | |
6139 | } | |
992f48a0 | 6140 | #endif /* TARGET_ABI_BITS != 32 */ |
ce4defa0 PB |
6141 | |
6142 | #ifdef TARGET_NR_truncate64 | |
992f48a0 BS |
6143 | static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
6144 | abi_long arg2, | |
6145 | abi_long arg3, | |
6146 | abi_long arg4) | |
ce4defa0 | 6147 | { |
8bf8e9df | 6148 | if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) { |
ce4defa0 PB |
6149 | arg2 = arg3; |
6150 | arg3 = arg4; | |
48e515d4 | 6151 | } |
ce4defa0 PB |
6152 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
6153 | } | |
6154 | #endif | |
6155 | ||
6156 | #ifdef TARGET_NR_ftruncate64 | |
992f48a0 BS |
6157 | static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
6158 | abi_long arg2, | |
6159 | abi_long arg3, | |
6160 | abi_long arg4) | |
ce4defa0 | 6161 | { |
8bf8e9df | 6162 | if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) { |
ce4defa0 PB |
6163 | arg2 = arg3; |
6164 | arg3 = arg4; | |
48e515d4 | 6165 | } |
ce4defa0 PB |
6166 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
6167 | } | |
6168 | #endif | |
6169 | ||
579a97f7 FB |
6170 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
6171 | abi_ulong target_addr) | |
53a5960a PB |
6172 | { |
6173 | struct target_timespec *target_ts; | |
6174 | ||
579a97f7 FB |
6175 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
6176 | return -TARGET_EFAULT; | |
c7e35da3 PM |
6177 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); |
6178 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
53a5960a | 6179 | unlock_user_struct(target_ts, target_addr, 0); |
b255bfa8 | 6180 | return 0; |
53a5960a PB |
6181 | } |
6182 | ||
579a97f7 FB |
6183 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
6184 | struct timespec *host_ts) | |
53a5960a PB |
6185 | { |
6186 | struct target_timespec *target_ts; | |
6187 | ||
579a97f7 FB |
6188 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
6189 | return -TARGET_EFAULT; | |
c7e35da3 PM |
6190 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); |
6191 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
53a5960a | 6192 | unlock_user_struct(target_ts, target_addr, 1); |
b255bfa8 | 6193 | return 0; |
53a5960a PB |
6194 | } |
6195 | ||
f4f1e10a ECL |
6196 | static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec, |
6197 | abi_ulong target_addr) | |
6198 | { | |
6199 | struct target_itimerspec *target_itspec; | |
6200 | ||
6201 | if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) { | |
6202 | return -TARGET_EFAULT; | |
6203 | } | |
6204 | ||
6205 | host_itspec->it_interval.tv_sec = | |
6206 | tswapal(target_itspec->it_interval.tv_sec); | |
6207 | host_itspec->it_interval.tv_nsec = | |
6208 | tswapal(target_itspec->it_interval.tv_nsec); | |
6209 | host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec); | |
6210 | host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec); | |
6211 | ||
6212 | unlock_user_struct(target_itspec, target_addr, 1); | |
6213 | return 0; | |
6214 | } | |
6215 | ||
6216 | static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, | |
6217 | struct itimerspec *host_its) | |
6218 | { | |
6219 | struct target_itimerspec *target_itspec; | |
6220 | ||
6221 | if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) { | |
6222 | return -TARGET_EFAULT; | |
6223 | } | |
6224 | ||
6225 | target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec); | |
6226 | target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec); | |
6227 | ||
6228 | target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec); | |
6229 | target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec); | |
6230 | ||
6231 | unlock_user_struct(target_itspec, target_addr, 0); | |
6232 | return 0; | |
6233 | } | |
6234 | ||
19f59bce AM |
6235 | static inline abi_long target_to_host_timex(struct timex *host_tx, |
6236 | abi_long target_addr) | |
6237 | { | |
6238 | struct target_timex *target_tx; | |
6239 | ||
6240 | if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) { | |
6241 | return -TARGET_EFAULT; | |
6242 | } | |
6243 | ||
6244 | __get_user(host_tx->modes, &target_tx->modes); | |
6245 | __get_user(host_tx->offset, &target_tx->offset); | |
6246 | __get_user(host_tx->freq, &target_tx->freq); | |
6247 | __get_user(host_tx->maxerror, &target_tx->maxerror); | |
6248 | __get_user(host_tx->esterror, &target_tx->esterror); | |
6249 | __get_user(host_tx->status, &target_tx->status); | |
6250 | __get_user(host_tx->constant, &target_tx->constant); | |
6251 | __get_user(host_tx->precision, &target_tx->precision); | |
6252 | __get_user(host_tx->tolerance, &target_tx->tolerance); | |
6253 | __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
6254 | __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
6255 | __get_user(host_tx->tick, &target_tx->tick); | |
6256 | __get_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
6257 | __get_user(host_tx->jitter, &target_tx->jitter); | |
6258 | __get_user(host_tx->shift, &target_tx->shift); | |
6259 | __get_user(host_tx->stabil, &target_tx->stabil); | |
6260 | __get_user(host_tx->jitcnt, &target_tx->jitcnt); | |
6261 | __get_user(host_tx->calcnt, &target_tx->calcnt); | |
6262 | __get_user(host_tx->errcnt, &target_tx->errcnt); | |
6263 | __get_user(host_tx->stbcnt, &target_tx->stbcnt); | |
6264 | __get_user(host_tx->tai, &target_tx->tai); | |
6265 | ||
6266 | unlock_user_struct(target_tx, target_addr, 0); | |
6267 | return 0; | |
6268 | } | |
6269 | ||
6270 | static inline abi_long host_to_target_timex(abi_long target_addr, | |
6271 | struct timex *host_tx) | |
6272 | { | |
6273 | struct target_timex *target_tx; | |
6274 | ||
6275 | if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) { | |
6276 | return -TARGET_EFAULT; | |
6277 | } | |
6278 | ||
6279 | __put_user(host_tx->modes, &target_tx->modes); | |
6280 | __put_user(host_tx->offset, &target_tx->offset); | |
6281 | __put_user(host_tx->freq, &target_tx->freq); | |
6282 | __put_user(host_tx->maxerror, &target_tx->maxerror); | |
6283 | __put_user(host_tx->esterror, &target_tx->esterror); | |
6284 | __put_user(host_tx->status, &target_tx->status); | |
6285 | __put_user(host_tx->constant, &target_tx->constant); | |
6286 | __put_user(host_tx->precision, &target_tx->precision); | |
6287 | __put_user(host_tx->tolerance, &target_tx->tolerance); | |
6288 | __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
6289 | __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
6290 | __put_user(host_tx->tick, &target_tx->tick); | |
6291 | __put_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
6292 | __put_user(host_tx->jitter, &target_tx->jitter); | |
6293 | __put_user(host_tx->shift, &target_tx->shift); | |
6294 | __put_user(host_tx->stabil, &target_tx->stabil); | |
6295 | __put_user(host_tx->jitcnt, &target_tx->jitcnt); | |
6296 | __put_user(host_tx->calcnt, &target_tx->calcnt); | |
6297 | __put_user(host_tx->errcnt, &target_tx->errcnt); | |
6298 | __put_user(host_tx->stbcnt, &target_tx->stbcnt); | |
6299 | __put_user(host_tx->tai, &target_tx->tai); | |
6300 | ||
6301 | unlock_user_struct(target_tx, target_addr, 1); | |
6302 | return 0; | |
6303 | } | |
6304 | ||
6305 | ||
c065976f PM |
6306 | static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp, |
6307 | abi_ulong target_addr) | |
6308 | { | |
6309 | struct target_sigevent *target_sevp; | |
6310 | ||
6311 | if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) { | |
6312 | return -TARGET_EFAULT; | |
6313 | } | |
6314 | ||
6315 | /* This union is awkward on 64 bit systems because it has a 32 bit | |
6316 | * integer and a pointer in it; we follow the conversion approach | |
6317 | * used for handling sigval types in signal.c so the guest should get | |
6318 | * the correct value back even if we did a 64 bit byteswap and it's | |
6319 | * using the 32 bit integer. | |
6320 | */ | |
6321 | host_sevp->sigev_value.sival_ptr = | |
6322 | (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr); | |
6323 | host_sevp->sigev_signo = | |
6324 | target_to_host_signal(tswap32(target_sevp->sigev_signo)); | |
6325 | host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify); | |
6326 | host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid); | |
6327 | ||
6328 | unlock_user_struct(target_sevp, target_addr, 1); | |
6329 | return 0; | |
6330 | } | |
6331 | ||
6f6a4032 TM |
6332 | #if defined(TARGET_NR_mlockall) |
6333 | static inline int target_to_host_mlockall_arg(int arg) | |
6334 | { | |
6335 | int result = 0; | |
6336 | ||
6337 | if (arg & TARGET_MLOCKALL_MCL_CURRENT) { | |
6338 | result |= MCL_CURRENT; | |
6339 | } | |
6340 | if (arg & TARGET_MLOCKALL_MCL_FUTURE) { | |
6341 | result |= MCL_FUTURE; | |
6342 | } | |
6343 | return result; | |
6344 | } | |
6345 | #endif | |
6346 | ||
4f7f8924 AR |
6347 | #if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \ |
6348 | defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \ | |
6349 | defined(TARGET_NR_newfstatat)) | |
6a24a778 AZ |
6350 | static inline abi_long host_to_target_stat64(void *cpu_env, |
6351 | abi_ulong target_addr, | |
6352 | struct stat *host_st) | |
6353 | { | |
09701199 | 6354 | #if defined(TARGET_ARM) && defined(TARGET_ABI32) |
6a24a778 AZ |
6355 | if (((CPUARMState *)cpu_env)->eabi) { |
6356 | struct target_eabi_stat64 *target_st; | |
6357 | ||
6358 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
6359 | return -TARGET_EFAULT; | |
6360 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
6361 | __put_user(host_st->st_dev, &target_st->st_dev); | |
6362 | __put_user(host_st->st_ino, &target_st->st_ino); | |
6363 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
6364 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
6365 | #endif | |
6366 | __put_user(host_st->st_mode, &target_st->st_mode); | |
6367 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
6368 | __put_user(host_st->st_uid, &target_st->st_uid); | |
6369 | __put_user(host_st->st_gid, &target_st->st_gid); | |
6370 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
6371 | __put_user(host_st->st_size, &target_st->st_size); | |
6372 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
6373 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
6374 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
6375 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
6376 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
6377 | unlock_user_struct(target_st, target_addr, 1); | |
6378 | } else | |
6379 | #endif | |
6380 | { | |
20d155bc | 6381 | #if defined(TARGET_HAS_STRUCT_STAT64) |
6a24a778 | 6382 | struct target_stat64 *target_st; |
20d155bc SW |
6383 | #else |
6384 | struct target_stat *target_st; | |
9d33b76b | 6385 | #endif |
6a24a778 AZ |
6386 | |
6387 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
6388 | return -TARGET_EFAULT; | |
9d33b76b | 6389 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
6390 | __put_user(host_st->st_dev, &target_st->st_dev); |
6391 | __put_user(host_st->st_ino, &target_st->st_ino); | |
6392 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
6393 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
6394 | #endif | |
6395 | __put_user(host_st->st_mode, &target_st->st_mode); | |
6396 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
6397 | __put_user(host_st->st_uid, &target_st->st_uid); | |
6398 | __put_user(host_st->st_gid, &target_st->st_gid); | |
6399 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
6400 | /* XXX: better use of kernel struct */ | |
6401 | __put_user(host_st->st_size, &target_st->st_size); | |
6402 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
6403 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
6404 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
6405 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
6406 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
6407 | unlock_user_struct(target_st, target_addr, 1); | |
6408 | } | |
6409 | ||
6410 | return 0; | |
6411 | } | |
4f7f8924 | 6412 | #endif |
6a24a778 | 6413 | |
bd0c5661 PB |
6414 | /* ??? Using host futex calls even when target atomic operations |
6415 | are not really atomic probably breaks things. However implementing | |
6416 | futexes locally would make futexes shared between multiple processes | |
6417 | tricky. However they're probably useless because guest atomic | |
6418 | operations won't work either. */ | |
8fcd3692 BS |
6419 | static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
6420 | target_ulong uaddr2, int val3) | |
bd0c5661 PB |
6421 | { |
6422 | struct timespec ts, *pts; | |
a16aae0c | 6423 | int base_op; |
bd0c5661 PB |
6424 | |
6425 | /* ??? We assume FUTEX_* constants are the same on both host | |
6426 | and target. */ | |
a29ccd63 | 6427 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 6428 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 6429 | #else |
a16aae0c | 6430 | base_op = op; |
a29ccd63 | 6431 | #endif |
a16aae0c | 6432 | switch (base_op) { |
bd0c5661 | 6433 | case FUTEX_WAIT: |
cce246e0 | 6434 | case FUTEX_WAIT_BITSET: |
bd0c5661 PB |
6435 | if (timeout) { |
6436 | pts = &ts; | |
6437 | target_to_host_timespec(pts, timeout); | |
6438 | } else { | |
6439 | pts = NULL; | |
6440 | } | |
d509eeb1 | 6441 | return get_errno(safe_futex(g2h(uaddr), op, tswap32(val), |
cce246e0 | 6442 | pts, NULL, val3)); |
bd0c5661 | 6443 | case FUTEX_WAKE: |
d509eeb1 | 6444 | return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 6445 | case FUTEX_FD: |
d509eeb1 | 6446 | return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 6447 | case FUTEX_REQUEUE: |
bd0c5661 | 6448 | case FUTEX_CMP_REQUEUE: |
a16aae0c NF |
6449 | case FUTEX_WAKE_OP: |
6450 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
6451 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
6452 | But the prototype takes a `struct timespec *'; insert casts | |
6453 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
6454 | since it's not compared to guest memory. */ | |
6455 | pts = (struct timespec *)(uintptr_t) timeout; | |
d509eeb1 PM |
6456 | return get_errno(safe_futex(g2h(uaddr), op, val, pts, |
6457 | g2h(uaddr2), | |
6458 | (base_op == FUTEX_CMP_REQUEUE | |
6459 | ? tswap32(val3) | |
6460 | : val3))); | |
bd0c5661 PB |
6461 | default: |
6462 | return -TARGET_ENOSYS; | |
6463 | } | |
6464 | } | |
0f0426f3 LV |
6465 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
6466 | static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname, | |
6467 | abi_long handle, abi_long mount_id, | |
6468 | abi_long flags) | |
6469 | { | |
6470 | struct file_handle *target_fh; | |
6471 | struct file_handle *fh; | |
6472 | int mid = 0; | |
6473 | abi_long ret; | |
6474 | char *name; | |
6475 | unsigned int size, total_size; | |
6476 | ||
6477 | if (get_user_s32(size, handle)) { | |
6478 | return -TARGET_EFAULT; | |
6479 | } | |
6480 | ||
6481 | name = lock_user_string(pathname); | |
6482 | if (!name) { | |
6483 | return -TARGET_EFAULT; | |
6484 | } | |
6485 | ||
6486 | total_size = sizeof(struct file_handle) + size; | |
6487 | target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0); | |
6488 | if (!target_fh) { | |
6489 | unlock_user(name, pathname, 0); | |
6490 | return -TARGET_EFAULT; | |
6491 | } | |
6492 | ||
6493 | fh = g_malloc0(total_size); | |
6494 | fh->handle_bytes = size; | |
6495 | ||
6496 | ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags)); | |
6497 | unlock_user(name, pathname, 0); | |
6498 | ||
6499 | /* man name_to_handle_at(2): | |
6500 | * Other than the use of the handle_bytes field, the caller should treat | |
6501 | * the file_handle structure as an opaque data type | |
6502 | */ | |
6503 | ||
6504 | memcpy(target_fh, fh, total_size); | |
6505 | target_fh->handle_bytes = tswap32(fh->handle_bytes); | |
6506 | target_fh->handle_type = tswap32(fh->handle_type); | |
6507 | g_free(fh); | |
6508 | unlock_user(target_fh, handle, total_size); | |
6509 | ||
6510 | if (put_user_s32(mid, mount_id)) { | |
6511 | return -TARGET_EFAULT; | |
6512 | } | |
6513 | ||
6514 | return ret; | |
6515 | ||
6516 | } | |
6517 | #endif | |
6518 | ||
6519 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
6520 | static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle, | |
6521 | abi_long flags) | |
6522 | { | |
6523 | struct file_handle *target_fh; | |
6524 | struct file_handle *fh; | |
6525 | unsigned int size, total_size; | |
6526 | abi_long ret; | |
6527 | ||
6528 | if (get_user_s32(size, handle)) { | |
6529 | return -TARGET_EFAULT; | |
6530 | } | |
6531 | ||
6532 | total_size = sizeof(struct file_handle) + size; | |
6533 | target_fh = lock_user(VERIFY_READ, handle, total_size, 1); | |
6534 | if (!target_fh) { | |
6535 | return -TARGET_EFAULT; | |
6536 | } | |
6537 | ||
e9d49d51 | 6538 | fh = g_memdup(target_fh, total_size); |
0f0426f3 LV |
6539 | fh->handle_bytes = size; |
6540 | fh->handle_type = tswap32(target_fh->handle_type); | |
6541 | ||
6542 | ret = get_errno(open_by_handle_at(mount_fd, fh, | |
6543 | target_to_host_bitmask(flags, fcntl_flags_tbl))); | |
6544 | ||
6545 | g_free(fh); | |
6546 | ||
6547 | unlock_user(target_fh, handle, total_size); | |
6548 | ||
6549 | return ret; | |
6550 | } | |
6551 | #endif | |
bd0c5661 | 6552 | |
e36800c9 LV |
6553 | #if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4) |
6554 | ||
e36800c9 LV |
6555 | static abi_long do_signalfd4(int fd, abi_long mask, int flags) |
6556 | { | |
6557 | int host_flags; | |
6558 | target_sigset_t *target_mask; | |
6559 | sigset_t host_mask; | |
6560 | abi_long ret; | |
6561 | ||
6562 | if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) { | |
6563 | return -TARGET_EINVAL; | |
6564 | } | |
6565 | if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) { | |
6566 | return -TARGET_EFAULT; | |
6567 | } | |
6568 | ||
6569 | target_to_host_sigset(&host_mask, target_mask); | |
6570 | ||
6571 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
6572 | ||
6573 | ret = get_errno(signalfd(fd, &host_mask, host_flags)); | |
6574 | if (ret >= 0) { | |
6575 | fd_trans_register(ret, &target_signalfd_trans); | |
6576 | } | |
6577 | ||
6578 | unlock_user_struct(target_mask, mask, 0); | |
6579 | ||
6580 | return ret; | |
6581 | } | |
6582 | #endif | |
6583 | ||
1d9d8b55 PB |
6584 | /* Map host to target signal numbers for the wait family of syscalls. |
6585 | Assume all other status bits are the same. */ | |
a05c6409 | 6586 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
6587 | { |
6588 | if (WIFSIGNALED(status)) { | |
6589 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
6590 | } | |
6591 | if (WIFSTOPPED(status)) { | |
6592 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
6593 | | (status & 0xff); | |
6594 | } | |
6595 | return status; | |
6596 | } | |
6597 | ||
76b94245 WVS |
6598 | static int open_self_cmdline(void *cpu_env, int fd) |
6599 | { | |
58de8b96 AS |
6600 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
6601 | struct linux_binprm *bprm = ((TaskState *)cpu->opaque)->bprm; | |
6602 | int i; | |
76b94245 | 6603 | |
58de8b96 AS |
6604 | for (i = 0; i < bprm->argc; i++) { |
6605 | size_t len = strlen(bprm->argv[i]) + 1; | |
76b94245 | 6606 | |
58de8b96 | 6607 | if (write(fd, bprm->argv[i], len) != len) { |
76b94245 | 6608 | return -1; |
76b94245 WVS |
6609 | } |
6610 | } | |
6611 | ||
58de8b96 | 6612 | return 0; |
76b94245 WVS |
6613 | } |
6614 | ||
36c08d49 AG |
6615 | static int open_self_maps(void *cpu_env, int fd) |
6616 | { | |
0429a971 AF |
6617 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
6618 | TaskState *ts = cpu->opaque; | |
1a49ef2a AG |
6619 | FILE *fp; |
6620 | char *line = NULL; | |
6621 | size_t len = 0; | |
6622 | ssize_t read; | |
6623 | ||
6624 | fp = fopen("/proc/self/maps", "r"); | |
6625 | if (fp == NULL) { | |
a3ca7bb2 | 6626 | return -1; |
1a49ef2a | 6627 | } |
36c08d49 | 6628 | |
1a49ef2a AG |
6629 | while ((read = getline(&line, &len, fp)) != -1) { |
6630 | int fields, dev_maj, dev_min, inode; | |
6631 | uint64_t min, max, offset; | |
6632 | char flag_r, flag_w, flag_x, flag_p; | |
6633 | char path[512] = ""; | |
6634 | fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d" | |
6635 | " %512s", &min, &max, &flag_r, &flag_w, &flag_x, | |
6636 | &flag_p, &offset, &dev_maj, &dev_min, &inode, path); | |
6637 | ||
6638 | if ((fields < 10) || (fields > 11)) { | |
6639 | continue; | |
6640 | } | |
d67f4aaa MI |
6641 | if (h2g_valid(min)) { |
6642 | int flags = page_get_flags(h2g(min)); | |
ebf9a363 | 6643 | max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX) + 1; |
d67f4aaa MI |
6644 | if (page_check_range(h2g(min), max - min, flags) == -1) { |
6645 | continue; | |
6646 | } | |
6647 | if (h2g(min) == ts->info->stack_limit) { | |
6648 | pstrcpy(path, sizeof(path), " [stack]"); | |
6649 | } | |
3e23de15 | 6650 | dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr |
e24fed4e | 6651 | " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n", |
d67f4aaa | 6652 | h2g(min), h2g(max - 1) + 1, flag_r, flag_w, |
1a49ef2a | 6653 | flag_x, flag_p, offset, dev_maj, dev_min, inode, |
e24fed4e | 6654 | path[0] ? " " : "", path); |
1a49ef2a AG |
6655 | } |
6656 | } | |
6657 | ||
6658 | free(line); | |
6659 | fclose(fp); | |
6660 | ||
36c08d49 AG |
6661 | return 0; |
6662 | } | |
6663 | ||
480b8e7d AG |
6664 | static int open_self_stat(void *cpu_env, int fd) |
6665 | { | |
0429a971 AF |
6666 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
6667 | TaskState *ts = cpu->opaque; | |
480b8e7d AG |
6668 | abi_ulong start_stack = ts->info->start_stack; |
6669 | int i; | |
6670 | ||
6671 | for (i = 0; i < 44; i++) { | |
6672 | char buf[128]; | |
6673 | int len; | |
6674 | uint64_t val = 0; | |
6675 | ||
e0e65bee FE |
6676 | if (i == 0) { |
6677 | /* pid */ | |
6678 | val = getpid(); | |
6679 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
6680 | } else if (i == 1) { | |
6681 | /* app name */ | |
6682 | snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]); | |
6683 | } else if (i == 27) { | |
6684 | /* stack bottom */ | |
6685 | val = start_stack; | |
6686 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
6687 | } else { | |
6688 | /* for the rest, there is MasterCard */ | |
6689 | snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' '); | |
480b8e7d | 6690 | } |
e0e65bee | 6691 | |
480b8e7d AG |
6692 | len = strlen(buf); |
6693 | if (write(fd, buf, len) != len) { | |
6694 | return -1; | |
6695 | } | |
6696 | } | |
6697 | ||
6698 | return 0; | |
6699 | } | |
6700 | ||
257450ee AG |
6701 | static int open_self_auxv(void *cpu_env, int fd) |
6702 | { | |
0429a971 AF |
6703 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
6704 | TaskState *ts = cpu->opaque; | |
257450ee AG |
6705 | abi_ulong auxv = ts->info->saved_auxv; |
6706 | abi_ulong len = ts->info->auxv_len; | |
6707 | char *ptr; | |
6708 | ||
6709 | /* | |
6710 | * Auxiliary vector is stored in target process stack. | |
6711 | * read in whole auxv vector and copy it to file | |
6712 | */ | |
6713 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
6714 | if (ptr != NULL) { | |
6715 | while (len > 0) { | |
6716 | ssize_t r; | |
6717 | r = write(fd, ptr, len); | |
6718 | if (r <= 0) { | |
6719 | break; | |
6720 | } | |
6721 | len -= r; | |
6722 | ptr += r; | |
6723 | } | |
6724 | lseek(fd, 0, SEEK_SET); | |
6725 | unlock_user(ptr, auxv, len); | |
6726 | } | |
6727 | ||
6728 | return 0; | |
6729 | } | |
6730 | ||
463d8e73 AS |
6731 | static int is_proc_myself(const char *filename, const char *entry) |
6732 | { | |
6733 | if (!strncmp(filename, "/proc/", strlen("/proc/"))) { | |
6734 | filename += strlen("/proc/"); | |
6735 | if (!strncmp(filename, "self/", strlen("self/"))) { | |
6736 | filename += strlen("self/"); | |
6737 | } else if (*filename >= '1' && *filename <= '9') { | |
6738 | char myself[80]; | |
6739 | snprintf(myself, sizeof(myself), "%d/", getpid()); | |
6740 | if (!strncmp(filename, myself, strlen(myself))) { | |
6741 | filename += strlen(myself); | |
6742 | } else { | |
6743 | return 0; | |
6744 | } | |
6745 | } else { | |
6746 | return 0; | |
6747 | } | |
6748 | if (!strcmp(filename, entry)) { | |
6749 | return 1; | |
6750 | } | |
6751 | } | |
6752 | return 0; | |
6753 | } | |
6754 | ||
de6b9933 LV |
6755 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
6756 | static int is_proc(const char *filename, const char *entry) | |
6757 | { | |
6758 | return strcmp(filename, entry) == 0; | |
6759 | } | |
6760 | ||
6761 | static int open_net_route(void *cpu_env, int fd) | |
6762 | { | |
6763 | FILE *fp; | |
6764 | char *line = NULL; | |
6765 | size_t len = 0; | |
6766 | ssize_t read; | |
6767 | ||
6768 | fp = fopen("/proc/net/route", "r"); | |
6769 | if (fp == NULL) { | |
a3ca7bb2 | 6770 | return -1; |
de6b9933 LV |
6771 | } |
6772 | ||
6773 | /* read header */ | |
6774 | ||
6775 | read = getline(&line, &len, fp); | |
6776 | dprintf(fd, "%s", line); | |
6777 | ||
6778 | /* read routes */ | |
6779 | ||
6780 | while ((read = getline(&line, &len, fp)) != -1) { | |
6781 | char iface[16]; | |
6782 | uint32_t dest, gw, mask; | |
6783 | unsigned int flags, refcnt, use, metric, mtu, window, irtt; | |
9d0bd0cd PM |
6784 | int fields; |
6785 | ||
6786 | fields = sscanf(line, | |
6787 | "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
6788 | iface, &dest, &gw, &flags, &refcnt, &use, &metric, | |
6789 | &mask, &mtu, &window, &irtt); | |
6790 | if (fields != 11) { | |
6791 | continue; | |
6792 | } | |
de6b9933 LV |
6793 | dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", |
6794 | iface, tswap32(dest), tswap32(gw), flags, refcnt, use, | |
6795 | metric, tswap32(mask), mtu, window, irtt); | |
6796 | } | |
6797 | ||
6798 | free(line); | |
6799 | fclose(fp); | |
6800 | ||
6801 | return 0; | |
6802 | } | |
6803 | #endif | |
6804 | ||
0b2effd7 | 6805 | static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode) |
3be14d05 AG |
6806 | { |
6807 | struct fake_open { | |
6808 | const char *filename; | |
6809 | int (*fill)(void *cpu_env, int fd); | |
de6b9933 | 6810 | int (*cmp)(const char *s1, const char *s2); |
3be14d05 AG |
6811 | }; |
6812 | const struct fake_open *fake_open; | |
6813 | static const struct fake_open fakes[] = { | |
de6b9933 LV |
6814 | { "maps", open_self_maps, is_proc_myself }, |
6815 | { "stat", open_self_stat, is_proc_myself }, | |
6816 | { "auxv", open_self_auxv, is_proc_myself }, | |
76b94245 | 6817 | { "cmdline", open_self_cmdline, is_proc_myself }, |
de6b9933 LV |
6818 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
6819 | { "/proc/net/route", open_net_route, is_proc }, | |
6820 | #endif | |
6821 | { NULL, NULL, NULL } | |
3be14d05 AG |
6822 | }; |
6823 | ||
aa07f5ec MO |
6824 | if (is_proc_myself(pathname, "exe")) { |
6825 | int execfd = qemu_getauxval(AT_EXECFD); | |
c10a0738 | 6826 | return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode); |
aa07f5ec MO |
6827 | } |
6828 | ||
3be14d05 | 6829 | for (fake_open = fakes; fake_open->filename; fake_open++) { |
de6b9933 | 6830 | if (fake_open->cmp(pathname, fake_open->filename)) { |
3be14d05 AG |
6831 | break; |
6832 | } | |
6833 | } | |
6834 | ||
6835 | if (fake_open->filename) { | |
6836 | const char *tmpdir; | |
6837 | char filename[PATH_MAX]; | |
6838 | int fd, r; | |
6839 | ||
6840 | /* create temporary file to map stat to */ | |
6841 | tmpdir = getenv("TMPDIR"); | |
6842 | if (!tmpdir) | |
6843 | tmpdir = "/tmp"; | |
6844 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
6845 | fd = mkstemp(filename); | |
6846 | if (fd < 0) { | |
6847 | return fd; | |
6848 | } | |
6849 | unlink(filename); | |
6850 | ||
6851 | if ((r = fake_open->fill(cpu_env, fd))) { | |
a3ca7bb2 | 6852 | int e = errno; |
3be14d05 | 6853 | close(fd); |
a3ca7bb2 | 6854 | errno = e; |
3be14d05 AG |
6855 | return r; |
6856 | } | |
6857 | lseek(fd, 0, SEEK_SET); | |
6858 | ||
6859 | return fd; | |
6860 | } | |
6861 | ||
c10a0738 | 6862 | return safe_openat(dirfd, path(pathname), flags, mode); |
3be14d05 AG |
6863 | } |
6864 | ||
aecc8861 AG |
6865 | #define TIMER_MAGIC 0x0caf0000 |
6866 | #define TIMER_MAGIC_MASK 0xffff0000 | |
6867 | ||
6868 | /* Convert QEMU provided timer ID back to internal 16bit index format */ | |
6869 | static target_timer_t get_timer_id(abi_long arg) | |
6870 | { | |
6871 | target_timer_t timerid = arg; | |
6872 | ||
6873 | if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) { | |
6874 | return -TARGET_EINVAL; | |
6875 | } | |
6876 | ||
6877 | timerid &= 0xffff; | |
6878 | ||
6879 | if (timerid >= ARRAY_SIZE(g_posix_timers)) { | |
6880 | return -TARGET_EINVAL; | |
6881 | } | |
6882 | ||
6883 | return timerid; | |
6884 | } | |
6885 | ||
2e0a8713 ST |
6886 | static int target_to_host_cpu_mask(unsigned long *host_mask, |
6887 | size_t host_size, | |
6888 | abi_ulong target_addr, | |
6889 | size_t target_size) | |
6890 | { | |
6891 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
6892 | unsigned host_bits = sizeof(*host_mask) * 8; | |
6893 | abi_ulong *target_mask; | |
6894 | unsigned i, j; | |
6895 | ||
6896 | assert(host_size >= target_size); | |
6897 | ||
6898 | target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1); | |
6899 | if (!target_mask) { | |
6900 | return -TARGET_EFAULT; | |
6901 | } | |
6902 | memset(host_mask, 0, host_size); | |
6903 | ||
6904 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
6905 | unsigned bit = i * target_bits; | |
6906 | abi_ulong val; | |
6907 | ||
6908 | __get_user(val, &target_mask[i]); | |
6909 | for (j = 0; j < target_bits; j++, bit++) { | |
6910 | if (val & (1UL << j)) { | |
6911 | host_mask[bit / host_bits] |= 1UL << (bit % host_bits); | |
6912 | } | |
6913 | } | |
6914 | } | |
6915 | ||
6916 | unlock_user(target_mask, target_addr, 0); | |
6917 | return 0; | |
6918 | } | |
6919 | ||
6920 | static int host_to_target_cpu_mask(const unsigned long *host_mask, | |
6921 | size_t host_size, | |
6922 | abi_ulong target_addr, | |
6923 | size_t target_size) | |
6924 | { | |
6925 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
6926 | unsigned host_bits = sizeof(*host_mask) * 8; | |
6927 | abi_ulong *target_mask; | |
6928 | unsigned i, j; | |
6929 | ||
6930 | assert(host_size >= target_size); | |
6931 | ||
6932 | target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0); | |
6933 | if (!target_mask) { | |
6934 | return -TARGET_EFAULT; | |
6935 | } | |
6936 | ||
6937 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
6938 | unsigned bit = i * target_bits; | |
6939 | abi_ulong val = 0; | |
6940 | ||
6941 | for (j = 0; j < target_bits; j++, bit++) { | |
6942 | if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) { | |
6943 | val |= 1UL << j; | |
6944 | } | |
6945 | } | |
6946 | __put_user(val, &target_mask[i]); | |
6947 | } | |
6948 | ||
6949 | unlock_user(target_mask, target_addr, target_size); | |
6950 | return 0; | |
6951 | } | |
6952 | ||
dc1ce18b RH |
6953 | /* This is an internal helper for do_syscall so that it is easier |
6954 | * to have a single return point, so that actions, such as logging | |
6955 | * of syscall results, can be performed. | |
6956 | * All errnos that do_syscall() returns must be -TARGET_<errcode>. | |
6957 | */ | |
6958 | static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, | |
6959 | abi_long arg2, abi_long arg3, abi_long arg4, | |
6960 | abi_long arg5, abi_long arg6, abi_long arg7, | |
6961 | abi_long arg8) | |
31e31b8a | 6962 | { |
182735ef | 6963 | CPUState *cpu = ENV_GET_CPU(cpu_env); |
992f48a0 | 6964 | abi_long ret; |
4f7f8924 AR |
6965 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \ |
6966 | || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \ | |
6967 | || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) | |
31e31b8a | 6968 | struct stat st; |
4f7f8924 AR |
6969 | #endif |
6970 | #if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \ | |
6971 | || defined(TARGET_NR_fstatfs) | |
56c8f68f | 6972 | struct statfs stfs; |
4f7f8924 | 6973 | #endif |
53a5960a | 6974 | void *p; |
3b46e624 | 6975 | |
31e31b8a FB |
6976 | switch(num) { |
6977 | case TARGET_NR_exit: | |
9b056fcc AF |
6978 | /* In old applications this may be used to implement _exit(2). |
6979 | However in threaded applictions it is used for thread termination, | |
6980 | and _exit_group is used for application termination. | |
6981 | Do thread termination if we have more then one thread. */ | |
a0995886 TB |
6982 | |
6983 | if (block_signals()) { | |
72eb7ea8 | 6984 | return -TARGET_ERESTARTSYS; |
a0995886 TB |
6985 | } |
6986 | ||
dd1f6349 AB |
6987 | cpu_list_lock(); |
6988 | ||
bdc44640 | 6989 | if (CPU_NEXT(first_cpu)) { |
9b056fcc | 6990 | TaskState *ts; |
9b056fcc | 6991 | |
9b056fcc | 6992 | /* Remove the CPU from the list. */ |
068a5ea0 | 6993 | QTAILQ_REMOVE_RCU(&cpus, cpu, node); |
dd1f6349 | 6994 | |
9b056fcc | 6995 | cpu_list_unlock(); |
dd1f6349 | 6996 | |
0429a971 | 6997 | ts = cpu->opaque; |
9b056fcc AF |
6998 | if (ts->child_tidptr) { |
6999 | put_user_u32(0, ts->child_tidptr); | |
7000 | sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, | |
7001 | NULL, NULL, 0); | |
7002 | } | |
a2247f8e | 7003 | thread_cpu = NULL; |
0429a971 | 7004 | object_unref(OBJECT(cpu)); |
9b056fcc | 7005 | g_free(ts); |
70903763 | 7006 | rcu_unregister_thread(); |
9b056fcc AF |
7007 | pthread_exit(NULL); |
7008 | } | |
dd1f6349 AB |
7009 | |
7010 | cpu_list_unlock(); | |
708b6a64 | 7011 | preexit_cleanup(cpu_env, arg1); |
c2764719 | 7012 | _exit(arg1); |
72eb7ea8 | 7013 | return 0; /* avoid warning */ |
31e31b8a | 7014 | case TARGET_NR_read: |
ba584f1d AS |
7015 | if (arg2 == 0 && arg3 == 0) { |
7016 | return get_errno(safe_read(arg1, 0, 0)); | |
72eb7ea8 | 7017 | } else { |
38d840e6 | 7018 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
2852aafd | 7019 | return -TARGET_EFAULT; |
50afd02b | 7020 | ret = get_errno(safe_read(arg1, p, arg3)); |
e36800c9 | 7021 | if (ret >= 0 && |
5d4d3665 LV |
7022 | fd_trans_host_to_target_data(arg1)) { |
7023 | ret = fd_trans_host_to_target_data(arg1)(p, ret); | |
e36800c9 | 7024 | } |
38d840e6 AJ |
7025 | unlock_user(p, arg2, ret); |
7026 | } | |
72eb7ea8 | 7027 | return ret; |
31e31b8a | 7028 | case TARGET_NR_write: |
58cfa6c2 TGJ |
7029 | if (arg2 == 0 && arg3 == 0) { |
7030 | return get_errno(safe_write(arg1, 0, 0)); | |
7031 | } | |
579a97f7 | 7032 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
2852aafd | 7033 | return -TARGET_EFAULT; |
04b9bcf9 LV |
7034 | if (fd_trans_target_to_host_data(arg1)) { |
7035 | void *copy = g_malloc(arg3); | |
7036 | memcpy(copy, p, arg3); | |
7037 | ret = fd_trans_target_to_host_data(arg1)(copy, arg3); | |
7038 | if (ret >= 0) { | |
7039 | ret = get_errno(safe_write(arg1, copy, ret)); | |
7040 | } | |
7041 | g_free(copy); | |
7042 | } else { | |
7043 | ret = get_errno(safe_write(arg1, p, arg3)); | |
7044 | } | |
53a5960a | 7045 | unlock_user(p, arg2, 0); |
72eb7ea8 RH |
7046 | return ret; |
7047 | ||
704eff6c | 7048 | #ifdef TARGET_NR_open |
31e31b8a | 7049 | case TARGET_NR_open: |
2f619698 | 7050 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7051 | return -TARGET_EFAULT; |
0b2effd7 RV |
7052 | ret = get_errno(do_openat(cpu_env, AT_FDCWD, p, |
7053 | target_to_host_bitmask(arg2, fcntl_flags_tbl), | |
7054 | arg3)); | |
e36800c9 | 7055 | fd_trans_unregister(ret); |
53a5960a | 7056 | unlock_user(p, arg1, 0); |
72eb7ea8 | 7057 | return ret; |
704eff6c | 7058 | #endif |
82424832 | 7059 | case TARGET_NR_openat: |
579a97f7 | 7060 | if (!(p = lock_user_string(arg2))) |
2852aafd | 7061 | return -TARGET_EFAULT; |
0b2effd7 RV |
7062 | ret = get_errno(do_openat(cpu_env, arg1, p, |
7063 | target_to_host_bitmask(arg3, fcntl_flags_tbl), | |
7064 | arg4)); | |
e36800c9 | 7065 | fd_trans_unregister(ret); |
579a97f7 | 7066 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7067 | return ret; |
0f0426f3 LV |
7068 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
7069 | case TARGET_NR_name_to_handle_at: | |
7070 | ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5); | |
72eb7ea8 | 7071 | return ret; |
0f0426f3 LV |
7072 | #endif |
7073 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
7074 | case TARGET_NR_open_by_handle_at: | |
7075 | ret = do_open_by_handle_at(arg1, arg2, arg3); | |
e36800c9 | 7076 | fd_trans_unregister(ret); |
72eb7ea8 | 7077 | return ret; |
0f0426f3 | 7078 | #endif |
31e31b8a | 7079 | case TARGET_NR_close: |
e36800c9 | 7080 | fd_trans_unregister(arg1); |
72eb7ea8 RH |
7081 | return get_errno(close(arg1)); |
7082 | ||
31e31b8a | 7083 | case TARGET_NR_brk: |
72eb7ea8 | 7084 | return do_brk(arg1); |
704eff6c | 7085 | #ifdef TARGET_NR_fork |
31e31b8a | 7086 | case TARGET_NR_fork: |
72eb7ea8 | 7087 | return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0)); |
704eff6c | 7088 | #endif |
e5febef5 | 7089 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
7090 | case TARGET_NR_waitpid: |
7091 | { | |
53a5960a | 7092 | int status; |
4af80a37 | 7093 | ret = get_errno(safe_wait4(arg1, &status, arg3, 0)); |
5379557b | 7094 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 7095 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2852aafd | 7096 | return -TARGET_EFAULT; |
31e31b8a | 7097 | } |
72eb7ea8 | 7098 | return ret; |
e5febef5 | 7099 | #endif |
f0cbb613 PB |
7100 | #ifdef TARGET_NR_waitid |
7101 | case TARGET_NR_waitid: | |
7102 | { | |
7103 | siginfo_t info; | |
7104 | info.si_pid = 0; | |
4af80a37 | 7105 | ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL)); |
f0cbb613 | 7106 | if (!is_error(ret) && arg3 && info.si_pid != 0) { |
c227f099 | 7107 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
2852aafd | 7108 | return -TARGET_EFAULT; |
f0cbb613 | 7109 | host_to_target_siginfo(p, &info); |
c227f099 | 7110 | unlock_user(p, arg3, sizeof(target_siginfo_t)); |
f0cbb613 PB |
7111 | } |
7112 | } | |
72eb7ea8 | 7113 | return ret; |
f0cbb613 | 7114 | #endif |
7a3148a9 | 7115 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 7116 | case TARGET_NR_creat: |
579a97f7 | 7117 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7118 | return -TARGET_EFAULT; |
53a5960a | 7119 | ret = get_errno(creat(p, arg2)); |
e36800c9 | 7120 | fd_trans_unregister(ret); |
53a5960a | 7121 | unlock_user(p, arg1, 0); |
72eb7ea8 | 7122 | return ret; |
7a3148a9 | 7123 | #endif |
704eff6c | 7124 | #ifdef TARGET_NR_link |
31e31b8a | 7125 | case TARGET_NR_link: |
53a5960a PB |
7126 | { |
7127 | void * p2; | |
7128 | p = lock_user_string(arg1); | |
7129 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
7130 | if (!p || !p2) |
7131 | ret = -TARGET_EFAULT; | |
7132 | else | |
7133 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
7134 | unlock_user(p2, arg2, 0); |
7135 | unlock_user(p, arg1, 0); | |
7136 | } | |
72eb7ea8 | 7137 | return ret; |
704eff6c | 7138 | #endif |
c0d472b1 | 7139 | #if defined(TARGET_NR_linkat) |
64f0ce4c | 7140 | case TARGET_NR_linkat: |
64f0ce4c TS |
7141 | { |
7142 | void * p2 = NULL; | |
579a97f7 | 7143 | if (!arg2 || !arg4) |
2852aafd | 7144 | return -TARGET_EFAULT; |
64f0ce4c TS |
7145 | p = lock_user_string(arg2); |
7146 | p2 = lock_user_string(arg4); | |
579a97f7 | 7147 | if (!p || !p2) |
0da46a6e | 7148 | ret = -TARGET_EFAULT; |
64f0ce4c | 7149 | else |
c0d472b1 | 7150 | ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
579a97f7 FB |
7151 | unlock_user(p, arg2, 0); |
7152 | unlock_user(p2, arg4, 0); | |
64f0ce4c | 7153 | } |
72eb7ea8 | 7154 | return ret; |
64f0ce4c | 7155 | #endif |
704eff6c | 7156 | #ifdef TARGET_NR_unlink |
31e31b8a | 7157 | case TARGET_NR_unlink: |
579a97f7 | 7158 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7159 | return -TARGET_EFAULT; |
53a5960a PB |
7160 | ret = get_errno(unlink(p)); |
7161 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7162 | return ret; |
704eff6c | 7163 | #endif |
c0d472b1 | 7164 | #if defined(TARGET_NR_unlinkat) |
8170f56b | 7165 | case TARGET_NR_unlinkat: |
579a97f7 | 7166 | if (!(p = lock_user_string(arg2))) |
2852aafd | 7167 | return -TARGET_EFAULT; |
c0d472b1 | 7168 | ret = get_errno(unlinkat(arg1, p, arg3)); |
579a97f7 | 7169 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7170 | return ret; |
b7d35e65 | 7171 | #endif |
31e31b8a | 7172 | case TARGET_NR_execve: |
7854b056 FB |
7173 | { |
7174 | char **argp, **envp; | |
f7341ff4 | 7175 | int argc, envc; |
992f48a0 BS |
7176 | abi_ulong gp; |
7177 | abi_ulong guest_argp; | |
7178 | abi_ulong guest_envp; | |
7179 | abi_ulong addr; | |
7854b056 | 7180 | char **q; |
a6f79cc9 | 7181 | int total_size = 0; |
7854b056 | 7182 | |
f7341ff4 | 7183 | argc = 0; |
53a5960a | 7184 | guest_argp = arg2; |
da94d263 | 7185 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 7186 | if (get_user_ual(addr, gp)) |
2852aafd | 7187 | return -TARGET_EFAULT; |
03aa1976 | 7188 | if (!addr) |
2f619698 | 7189 | break; |
7854b056 | 7190 | argc++; |
2f619698 | 7191 | } |
f7341ff4 | 7192 | envc = 0; |
53a5960a | 7193 | guest_envp = arg3; |
da94d263 | 7194 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 7195 | if (get_user_ual(addr, gp)) |
2852aafd | 7196 | return -TARGET_EFAULT; |
03aa1976 | 7197 | if (!addr) |
2f619698 | 7198 | break; |
7854b056 | 7199 | envc++; |
2f619698 | 7200 | } |
7854b056 | 7201 | |
b936cb50 PP |
7202 | argp = g_new0(char *, argc + 1); |
7203 | envp = g_new0(char *, envc + 1); | |
7854b056 | 7204 | |
da94d263 | 7205 | for (gp = guest_argp, q = argp; gp; |
992f48a0 | 7206 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7207 | if (get_user_ual(addr, gp)) |
7208 | goto execve_efault; | |
53a5960a PB |
7209 | if (!addr) |
7210 | break; | |
2f619698 FB |
7211 | if (!(*q = lock_user_string(addr))) |
7212 | goto execve_efault; | |
a6f79cc9 | 7213 | total_size += strlen(*q) + 1; |
53a5960a | 7214 | } |
f7341ff4 FB |
7215 | *q = NULL; |
7216 | ||
da94d263 | 7217 | for (gp = guest_envp, q = envp; gp; |
992f48a0 | 7218 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7219 | if (get_user_ual(addr, gp)) |
7220 | goto execve_efault; | |
53a5960a PB |
7221 | if (!addr) |
7222 | break; | |
2f619698 FB |
7223 | if (!(*q = lock_user_string(addr))) |
7224 | goto execve_efault; | |
a6f79cc9 | 7225 | total_size += strlen(*q) + 1; |
53a5960a | 7226 | } |
f7341ff4 | 7227 | *q = NULL; |
7854b056 | 7228 | |
2f619698 FB |
7229 | if (!(p = lock_user_string(arg1))) |
7230 | goto execve_efault; | |
ffdcbe22 TB |
7231 | /* Although execve() is not an interruptible syscall it is |
7232 | * a special case where we must use the safe_syscall wrapper: | |
7233 | * if we allow a signal to happen before we make the host | |
7234 | * syscall then we will 'lose' it, because at the point of | |
7235 | * execve the process leaves QEMU's control. So we use the | |
7236 | * safe syscall wrapper to ensure that we either take the | |
7237 | * signal as a guest signal, or else it does not happen | |
7238 | * before the execve completes and makes it the other | |
7239 | * program's problem. | |
7240 | */ | |
7241 | ret = get_errno(safe_execve(p, argp, envp)); | |
53a5960a PB |
7242 | unlock_user(p, arg1, 0); |
7243 | ||
2f619698 FB |
7244 | goto execve_end; |
7245 | ||
7246 | execve_efault: | |
7247 | ret = -TARGET_EFAULT; | |
7248 | ||
7249 | execve_end: | |
53a5960a | 7250 | for (gp = guest_argp, q = argp; *q; |
992f48a0 | 7251 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7252 | if (get_user_ual(addr, gp) |
7253 | || !addr) | |
7254 | break; | |
53a5960a PB |
7255 | unlock_user(*q, addr, 0); |
7256 | } | |
7257 | for (gp = guest_envp, q = envp; *q; | |
992f48a0 | 7258 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7259 | if (get_user_ual(addr, gp) |
7260 | || !addr) | |
7261 | break; | |
53a5960a PB |
7262 | unlock_user(*q, addr, 0); |
7263 | } | |
b936cb50 PP |
7264 | |
7265 | g_free(argp); | |
7266 | g_free(envp); | |
7854b056 | 7267 | } |
72eb7ea8 | 7268 | return ret; |
31e31b8a | 7269 | case TARGET_NR_chdir: |
579a97f7 | 7270 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7271 | return -TARGET_EFAULT; |
53a5960a PB |
7272 | ret = get_errno(chdir(p)); |
7273 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7274 | return ret; |
a315a145 | 7275 | #ifdef TARGET_NR_time |
31e31b8a FB |
7276 | case TARGET_NR_time: |
7277 | { | |
53a5960a PB |
7278 | time_t host_time; |
7279 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
7280 | if (!is_error(ret) |
7281 | && arg1 | |
7282 | && put_user_sal(host_time, arg1)) | |
2852aafd | 7283 | return -TARGET_EFAULT; |
31e31b8a | 7284 | } |
72eb7ea8 | 7285 | return ret; |
a315a145 | 7286 | #endif |
704eff6c | 7287 | #ifdef TARGET_NR_mknod |
31e31b8a | 7288 | case TARGET_NR_mknod: |
579a97f7 | 7289 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7290 | return -TARGET_EFAULT; |
53a5960a PB |
7291 | ret = get_errno(mknod(p, arg2, arg3)); |
7292 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7293 | return ret; |
704eff6c | 7294 | #endif |
c0d472b1 | 7295 | #if defined(TARGET_NR_mknodat) |
75ac37a0 | 7296 | case TARGET_NR_mknodat: |
579a97f7 | 7297 | if (!(p = lock_user_string(arg2))) |
2852aafd | 7298 | return -TARGET_EFAULT; |
c0d472b1 | 7299 | ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
579a97f7 | 7300 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7301 | return ret; |
75ac37a0 | 7302 | #endif |
704eff6c | 7303 | #ifdef TARGET_NR_chmod |
31e31b8a | 7304 | case TARGET_NR_chmod: |
579a97f7 | 7305 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7306 | return -TARGET_EFAULT; |
53a5960a PB |
7307 | ret = get_errno(chmod(p, arg2)); |
7308 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7309 | return ret; |
704eff6c | 7310 | #endif |
4f7f8924 | 7311 | #ifdef TARGET_NR_lseek |
31e31b8a | 7312 | case TARGET_NR_lseek: |
72eb7ea8 | 7313 | return get_errno(lseek(arg1, arg2, arg3)); |
4f7f8924 | 7314 | #endif |
9231733a RH |
7315 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
7316 | /* Alpha specific */ | |
7a3148a9 | 7317 | case TARGET_NR_getxpid: |
9231733a | 7318 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
72eb7ea8 | 7319 | return get_errno(getpid()); |
7a3148a9 | 7320 | #endif |
9231733a RH |
7321 | #ifdef TARGET_NR_getpid |
7322 | case TARGET_NR_getpid: | |
72eb7ea8 | 7323 | return get_errno(getpid()); |
9231733a | 7324 | #endif |
31e31b8a | 7325 | case TARGET_NR_mount: |
356d771b PB |
7326 | { |
7327 | /* need to look at the data field */ | |
7328 | void *p2, *p3; | |
7329 | ||
7330 | if (arg1) { | |
7331 | p = lock_user_string(arg1); | |
7332 | if (!p) { | |
2852aafd | 7333 | return -TARGET_EFAULT; |
356d771b PB |
7334 | } |
7335 | } else { | |
7336 | p = NULL; | |
7337 | } | |
7338 | ||
7339 | p2 = lock_user_string(arg2); | |
7340 | if (!p2) { | |
7341 | if (arg1) { | |
7342 | unlock_user(p, arg1, 0); | |
7343 | } | |
2852aafd | 7344 | return -TARGET_EFAULT; |
356d771b PB |
7345 | } |
7346 | ||
7347 | if (arg3) { | |
7348 | p3 = lock_user_string(arg3); | |
7349 | if (!p3) { | |
7350 | if (arg1) { | |
579a97f7 | 7351 | unlock_user(p, arg1, 0); |
356d771b PB |
7352 | } |
7353 | unlock_user(p2, arg2, 0); | |
2852aafd | 7354 | return -TARGET_EFAULT; |
356d771b PB |
7355 | } |
7356 | } else { | |
7357 | p3 = NULL; | |
7358 | } | |
7359 | ||
7360 | /* FIXME - arg5 should be locked, but it isn't clear how to | |
7361 | * do that since it's not guaranteed to be a NULL-terminated | |
7362 | * string. | |
7363 | */ | |
7364 | if (!arg5) { | |
7365 | ret = mount(p, p2, p3, (unsigned long)arg4, NULL); | |
7366 | } else { | |
7367 | ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)); | |
7368 | } | |
7369 | ret = get_errno(ret); | |
7370 | ||
7371 | if (arg1) { | |
7372 | unlock_user(p, arg1, 0); | |
7373 | } | |
7374 | unlock_user(p2, arg2, 0); | |
7375 | if (arg3) { | |
7376 | unlock_user(p3, arg3, 0); | |
7377 | } | |
7378 | } | |
72eb7ea8 | 7379 | return ret; |
e5febef5 | 7380 | #ifdef TARGET_NR_umount |
31e31b8a | 7381 | case TARGET_NR_umount: |
579a97f7 | 7382 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7383 | return -TARGET_EFAULT; |
53a5960a PB |
7384 | ret = get_errno(umount(p)); |
7385 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7386 | return ret; |
e5febef5 | 7387 | #endif |
7a3148a9 | 7388 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
7389 | case TARGET_NR_stime: |
7390 | { | |
53a5960a | 7391 | time_t host_time; |
2f619698 | 7392 | if (get_user_sal(host_time, arg1)) |
2852aafd | 7393 | return -TARGET_EFAULT; |
72eb7ea8 | 7394 | return get_errno(stime(&host_time)); |
31e31b8a | 7395 | } |
7a3148a9 | 7396 | #endif |
7a3148a9 | 7397 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a | 7398 | case TARGET_NR_alarm: |
72eb7ea8 | 7399 | return alarm(arg1); |
7a3148a9 | 7400 | #endif |
7a3148a9 | 7401 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a | 7402 | case TARGET_NR_pause: |
f59ec606 TB |
7403 | if (!block_signals()) { |
7404 | sigsuspend(&((TaskState *)cpu->opaque)->signal_mask); | |
7405 | } | |
72eb7ea8 | 7406 | return -TARGET_EINTR; |
7a3148a9 | 7407 | #endif |
e5febef5 | 7408 | #ifdef TARGET_NR_utime |
31e31b8a | 7409 | case TARGET_NR_utime: |
ebc05488 | 7410 | { |
53a5960a PB |
7411 | struct utimbuf tbuf, *host_tbuf; |
7412 | struct target_utimbuf *target_tbuf; | |
7413 | if (arg2) { | |
579a97f7 | 7414 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
2852aafd | 7415 | return -TARGET_EFAULT; |
cbb21eed MB |
7416 | tbuf.actime = tswapal(target_tbuf->actime); |
7417 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
7418 | unlock_user_struct(target_tbuf, arg2, 0); |
7419 | host_tbuf = &tbuf; | |
f72e8ff4 | 7420 | } else { |
53a5960a | 7421 | host_tbuf = NULL; |
f72e8ff4 | 7422 | } |
579a97f7 | 7423 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7424 | return -TARGET_EFAULT; |
53a5960a PB |
7425 | ret = get_errno(utime(p, host_tbuf)); |
7426 | unlock_user(p, arg1, 0); | |
ebc05488 | 7427 | } |
72eb7ea8 | 7428 | return ret; |
e5febef5 | 7429 | #endif |
704eff6c | 7430 | #ifdef TARGET_NR_utimes |
978a66ff FB |
7431 | case TARGET_NR_utimes: |
7432 | { | |
978a66ff | 7433 | struct timeval *tvp, tv[2]; |
53a5960a | 7434 | if (arg2) { |
788f5ec4 TS |
7435 | if (copy_from_user_timeval(&tv[0], arg2) |
7436 | || copy_from_user_timeval(&tv[1], | |
7437 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 7438 | return -TARGET_EFAULT; |
978a66ff FB |
7439 | tvp = tv; |
7440 | } else { | |
7441 | tvp = NULL; | |
7442 | } | |
579a97f7 | 7443 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7444 | return -TARGET_EFAULT; |
53a5960a PB |
7445 | ret = get_errno(utimes(p, tvp)); |
7446 | unlock_user(p, arg1, 0); | |
978a66ff | 7447 | } |
72eb7ea8 | 7448 | return ret; |
704eff6c | 7449 | #endif |
c0d472b1 | 7450 | #if defined(TARGET_NR_futimesat) |
ac8a6556 AZ |
7451 | case TARGET_NR_futimesat: |
7452 | { | |
7453 | struct timeval *tvp, tv[2]; | |
7454 | if (arg3) { | |
7455 | if (copy_from_user_timeval(&tv[0], arg3) | |
7456 | || copy_from_user_timeval(&tv[1], | |
7457 | arg3 + sizeof(struct target_timeval))) | |
2852aafd | 7458 | return -TARGET_EFAULT; |
ac8a6556 AZ |
7459 | tvp = tv; |
7460 | } else { | |
7461 | tvp = NULL; | |
7462 | } | |
2852aafd RH |
7463 | if (!(p = lock_user_string(arg2))) { |
7464 | return -TARGET_EFAULT; | |
7465 | } | |
c0d472b1 | 7466 | ret = get_errno(futimesat(arg1, path(p), tvp)); |
ac8a6556 AZ |
7467 | unlock_user(p, arg2, 0); |
7468 | } | |
72eb7ea8 | 7469 | return ret; |
ac8a6556 | 7470 | #endif |
704eff6c | 7471 | #ifdef TARGET_NR_access |
31e31b8a | 7472 | case TARGET_NR_access: |
2852aafd RH |
7473 | if (!(p = lock_user_string(arg1))) { |
7474 | return -TARGET_EFAULT; | |
7475 | } | |
719f908e | 7476 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 7477 | unlock_user(p, arg1, 0); |
72eb7ea8 | 7478 | return ret; |
704eff6c | 7479 | #endif |
92a34c10 TS |
7480 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
7481 | case TARGET_NR_faccessat: | |
2852aafd RH |
7482 | if (!(p = lock_user_string(arg2))) { |
7483 | return -TARGET_EFAULT; | |
7484 | } | |
c0d472b1 | 7485 | ret = get_errno(faccessat(arg1, p, arg3, 0)); |
579a97f7 | 7486 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7487 | return ret; |
92a34c10 | 7488 | #endif |
7a3148a9 | 7489 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a | 7490 | case TARGET_NR_nice: |
72eb7ea8 | 7491 | return get_errno(nice(arg1)); |
ebc05488 | 7492 | #endif |
31e31b8a | 7493 | case TARGET_NR_sync: |
04369ff2 | 7494 | sync(); |
72eb7ea8 | 7495 | return 0; |
5a03cd00 AM |
7496 | #if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS) |
7497 | case TARGET_NR_syncfs: | |
72eb7ea8 | 7498 | return get_errno(syncfs(arg1)); |
5a03cd00 | 7499 | #endif |
31e31b8a | 7500 | case TARGET_NR_kill: |
72eb7ea8 | 7501 | return get_errno(safe_kill(arg1, target_to_host_signal(arg2))); |
704eff6c | 7502 | #ifdef TARGET_NR_rename |
31e31b8a | 7503 | case TARGET_NR_rename: |
53a5960a PB |
7504 | { |
7505 | void *p2; | |
7506 | p = lock_user_string(arg1); | |
7507 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
7508 | if (!p || !p2) |
7509 | ret = -TARGET_EFAULT; | |
7510 | else | |
7511 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
7512 | unlock_user(p2, arg2, 0); |
7513 | unlock_user(p, arg1, 0); | |
7514 | } | |
72eb7ea8 | 7515 | return ret; |
704eff6c | 7516 | #endif |
c0d472b1 | 7517 | #if defined(TARGET_NR_renameat) |
722183f6 | 7518 | case TARGET_NR_renameat: |
722183f6 | 7519 | { |
579a97f7 | 7520 | void *p2; |
722183f6 TS |
7521 | p = lock_user_string(arg2); |
7522 | p2 = lock_user_string(arg4); | |
579a97f7 | 7523 | if (!p || !p2) |
0da46a6e | 7524 | ret = -TARGET_EFAULT; |
722183f6 | 7525 | else |
c0d472b1 | 7526 | ret = get_errno(renameat(arg1, p, arg3, p2)); |
579a97f7 FB |
7527 | unlock_user(p2, arg4, 0); |
7528 | unlock_user(p, arg2, 0); | |
722183f6 | 7529 | } |
72eb7ea8 | 7530 | return ret; |
95d0307c AS |
7531 | #endif |
7532 | #if defined(TARGET_NR_renameat2) | |
7533 | case TARGET_NR_renameat2: | |
7534 | { | |
7535 | void *p2; | |
7536 | p = lock_user_string(arg2); | |
7537 | p2 = lock_user_string(arg4); | |
7538 | if (!p || !p2) { | |
7539 | ret = -TARGET_EFAULT; | |
7540 | } else { | |
7541 | ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5)); | |
7542 | } | |
7543 | unlock_user(p2, arg4, 0); | |
7544 | unlock_user(p, arg2, 0); | |
7545 | } | |
72eb7ea8 | 7546 | return ret; |
722183f6 | 7547 | #endif |
704eff6c | 7548 | #ifdef TARGET_NR_mkdir |
31e31b8a | 7549 | case TARGET_NR_mkdir: |
579a97f7 | 7550 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7551 | return -TARGET_EFAULT; |
53a5960a PB |
7552 | ret = get_errno(mkdir(p, arg2)); |
7553 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7554 | return ret; |
704eff6c | 7555 | #endif |
c0d472b1 | 7556 | #if defined(TARGET_NR_mkdirat) |
4472ad0d | 7557 | case TARGET_NR_mkdirat: |
579a97f7 | 7558 | if (!(p = lock_user_string(arg2))) |
2852aafd | 7559 | return -TARGET_EFAULT; |
c0d472b1 | 7560 | ret = get_errno(mkdirat(arg1, p, arg3)); |
579a97f7 | 7561 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7562 | return ret; |
4472ad0d | 7563 | #endif |
704eff6c | 7564 | #ifdef TARGET_NR_rmdir |
31e31b8a | 7565 | case TARGET_NR_rmdir: |
579a97f7 | 7566 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7567 | return -TARGET_EFAULT; |
53a5960a PB |
7568 | ret = get_errno(rmdir(p)); |
7569 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7570 | return ret; |
704eff6c | 7571 | #endif |
31e31b8a FB |
7572 | case TARGET_NR_dup: |
7573 | ret = get_errno(dup(arg1)); | |
e36800c9 LV |
7574 | if (ret >= 0) { |
7575 | fd_trans_dup(arg1, ret); | |
7576 | } | |
72eb7ea8 | 7577 | return ret; |
704eff6c | 7578 | #ifdef TARGET_NR_pipe |
31e31b8a | 7579 | case TARGET_NR_pipe: |
72eb7ea8 | 7580 | return do_pipe(cpu_env, arg1, 0, 0); |
704eff6c | 7581 | #endif |
099d6b0f RV |
7582 | #ifdef TARGET_NR_pipe2 |
7583 | case TARGET_NR_pipe2: | |
72eb7ea8 RH |
7584 | return do_pipe(cpu_env, arg1, |
7585 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
099d6b0f | 7586 | #endif |
31e31b8a | 7587 | case TARGET_NR_times: |
32f36bce | 7588 | { |
53a5960a | 7589 | struct target_tms *tmsp; |
32f36bce FB |
7590 | struct tms tms; |
7591 | ret = get_errno(times(&tms)); | |
53a5960a | 7592 | if (arg1) { |
579a97f7 FB |
7593 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
7594 | if (!tmsp) | |
2852aafd | 7595 | return -TARGET_EFAULT; |
cbb21eed MB |
7596 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
7597 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
7598 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
7599 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 7600 | } |
c596ed17 FB |
7601 | if (!is_error(ret)) |
7602 | ret = host_to_target_clock_t(ret); | |
32f36bce | 7603 | } |
72eb7ea8 | 7604 | return ret; |
31e31b8a | 7605 | case TARGET_NR_acct: |
38d840e6 AJ |
7606 | if (arg1 == 0) { |
7607 | ret = get_errno(acct(NULL)); | |
7608 | } else { | |
2852aafd RH |
7609 | if (!(p = lock_user_string(arg1))) { |
7610 | return -TARGET_EFAULT; | |
7611 | } | |
38d840e6 AJ |
7612 | ret = get_errno(acct(path(p))); |
7613 | unlock_user(p, arg1, 0); | |
7614 | } | |
72eb7ea8 | 7615 | return ret; |
8070e7be | 7616 | #ifdef TARGET_NR_umount2 |
31e31b8a | 7617 | case TARGET_NR_umount2: |
579a97f7 | 7618 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7619 | return -TARGET_EFAULT; |
53a5960a PB |
7620 | ret = get_errno(umount2(p, arg2)); |
7621 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7622 | return ret; |
ebc05488 | 7623 | #endif |
31e31b8a | 7624 | case TARGET_NR_ioctl: |
72eb7ea8 | 7625 | return do_ioctl(arg1, arg2, arg3); |
47ae93cd | 7626 | #ifdef TARGET_NR_fcntl |
31e31b8a | 7627 | case TARGET_NR_fcntl: |
72eb7ea8 | 7628 | return do_fcntl(arg1, arg2, arg3); |
ebc05488 | 7629 | #endif |
31e31b8a | 7630 | case TARGET_NR_setpgid: |
72eb7ea8 | 7631 | return get_errno(setpgid(arg1, arg2)); |
31e31b8a | 7632 | case TARGET_NR_umask: |
72eb7ea8 | 7633 | return get_errno(umask(arg1)); |
31e31b8a | 7634 | case TARGET_NR_chroot: |
579a97f7 | 7635 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7636 | return -TARGET_EFAULT; |
53a5960a PB |
7637 | ret = get_errno(chroot(p)); |
7638 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7639 | return ret; |
704eff6c | 7640 | #ifdef TARGET_NR_dup2 |
31e31b8a FB |
7641 | case TARGET_NR_dup2: |
7642 | ret = get_errno(dup2(arg1, arg2)); | |
e36800c9 LV |
7643 | if (ret >= 0) { |
7644 | fd_trans_dup(arg1, arg2); | |
7645 | } | |
72eb7ea8 | 7646 | return ret; |
704eff6c | 7647 | #endif |
d0927938 UH |
7648 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
7649 | case TARGET_NR_dup3: | |
10fa993a PM |
7650 | { |
7651 | int host_flags; | |
7652 | ||
7653 | if ((arg3 & ~TARGET_O_CLOEXEC) != 0) { | |
7654 | return -EINVAL; | |
7655 | } | |
7656 | host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl); | |
7657 | ret = get_errno(dup3(arg1, arg2, host_flags)); | |
e36800c9 LV |
7658 | if (ret >= 0) { |
7659 | fd_trans_dup(arg1, arg2); | |
7660 | } | |
72eb7ea8 | 7661 | return ret; |
10fa993a | 7662 | } |
d0927938 | 7663 | #endif |
7a3148a9 | 7664 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a | 7665 | case TARGET_NR_getppid: |
72eb7ea8 | 7666 | return get_errno(getppid()); |
7a3148a9 | 7667 | #endif |
704eff6c | 7668 | #ifdef TARGET_NR_getpgrp |
31e31b8a | 7669 | case TARGET_NR_getpgrp: |
72eb7ea8 | 7670 | return get_errno(getpgrp()); |
704eff6c | 7671 | #endif |
31e31b8a | 7672 | case TARGET_NR_setsid: |
72eb7ea8 | 7673 | return get_errno(setsid()); |
e5febef5 | 7674 | #ifdef TARGET_NR_sigaction |
31e31b8a | 7675 | case TARGET_NR_sigaction: |
31e31b8a | 7676 | { |
6049f4f8 RH |
7677 | #if defined(TARGET_ALPHA) |
7678 | struct target_sigaction act, oact, *pact = 0; | |
53a5960a | 7679 | struct target_old_sigaction *old_act; |
53a5960a | 7680 | if (arg2) { |
579a97f7 | 7681 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
2852aafd | 7682 | return -TARGET_EFAULT; |
66fb9763 FB |
7683 | act._sa_handler = old_act->_sa_handler; |
7684 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
7685 | act.sa_flags = old_act->sa_flags; | |
6049f4f8 | 7686 | act.sa_restorer = 0; |
53a5960a | 7687 | unlock_user_struct(old_act, arg2, 0); |
66fb9763 | 7688 | pact = &act; |
66fb9763 FB |
7689 | } |
7690 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
53a5960a | 7691 | if (!is_error(ret) && arg3) { |
579a97f7 | 7692 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
2852aafd | 7693 | return -TARGET_EFAULT; |
53a5960a PB |
7694 | old_act->_sa_handler = oact._sa_handler; |
7695 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
7696 | old_act->sa_flags = oact.sa_flags; | |
53a5960a | 7697 | unlock_user_struct(old_act, arg3, 1); |
66fb9763 | 7698 | } |
6049f4f8 | 7699 | #elif defined(TARGET_MIPS) |
106ec879 FB |
7700 | struct target_sigaction act, oact, *pact, *old_act; |
7701 | ||
7702 | if (arg2) { | |
579a97f7 | 7703 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
2852aafd | 7704 | return -TARGET_EFAULT; |
106ec879 FB |
7705 | act._sa_handler = old_act->_sa_handler; |
7706 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
7707 | act.sa_flags = old_act->sa_flags; | |
7708 | unlock_user_struct(old_act, arg2, 0); | |
7709 | pact = &act; | |
7710 | } else { | |
7711 | pact = NULL; | |
7712 | } | |
7713 | ||
7714 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
7715 | ||
7716 | if (!is_error(ret) && arg3) { | |
579a97f7 | 7717 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
2852aafd | 7718 | return -TARGET_EFAULT; |
106ec879 FB |
7719 | old_act->_sa_handler = oact._sa_handler; |
7720 | old_act->sa_flags = oact.sa_flags; | |
7721 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
7722 | old_act->sa_mask.sig[1] = 0; | |
7723 | old_act->sa_mask.sig[2] = 0; | |
7724 | old_act->sa_mask.sig[3] = 0; | |
7725 | unlock_user_struct(old_act, arg3, 1); | |
7726 | } | |
6049f4f8 RH |
7727 | #else |
7728 | struct target_old_sigaction *old_act; | |
7729 | struct target_sigaction act, oact, *pact; | |
7730 | if (arg2) { | |
7731 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
2852aafd | 7732 | return -TARGET_EFAULT; |
6049f4f8 RH |
7733 | act._sa_handler = old_act->_sa_handler; |
7734 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
7735 | act.sa_flags = old_act->sa_flags; | |
7736 | act.sa_restorer = old_act->sa_restorer; | |
5de154e8 LV |
7737 | #ifdef TARGET_ARCH_HAS_KA_RESTORER |
7738 | act.ka_restorer = 0; | |
7739 | #endif | |
6049f4f8 RH |
7740 | unlock_user_struct(old_act, arg2, 0); |
7741 | pact = &act; | |
7742 | } else { | |
7743 | pact = NULL; | |
7744 | } | |
7745 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
7746 | if (!is_error(ret) && arg3) { | |
7747 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
2852aafd | 7748 | return -TARGET_EFAULT; |
6049f4f8 RH |
7749 | old_act->_sa_handler = oact._sa_handler; |
7750 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
7751 | old_act->sa_flags = oact.sa_flags; | |
7752 | old_act->sa_restorer = oact.sa_restorer; | |
7753 | unlock_user_struct(old_act, arg3, 1); | |
7754 | } | |
388bb21a | 7755 | #endif |
31e31b8a | 7756 | } |
72eb7ea8 | 7757 | return ret; |
e5febef5 | 7758 | #endif |
66fb9763 | 7759 | case TARGET_NR_rt_sigaction: |
53a5960a | 7760 | { |
6049f4f8 | 7761 | #if defined(TARGET_ALPHA) |
78bfef72 PM |
7762 | /* For Alpha and SPARC this is a 5 argument syscall, with |
7763 | * a 'restorer' parameter which must be copied into the | |
7764 | * sa_restorer field of the sigaction struct. | |
7765 | * For Alpha that 'restorer' is arg5; for SPARC it is arg4, | |
7766 | * and arg5 is the sigsetsize. | |
7767 | * Alpha also has a separate rt_sigaction struct that it uses | |
7768 | * here; SPARC uses the usual sigaction struct. | |
7769 | */ | |
6049f4f8 | 7770 | struct target_rt_sigaction *rt_act; |
78bfef72 | 7771 | struct target_sigaction act, oact, *pact = 0; |
c815701e PM |
7772 | |
7773 | if (arg4 != sizeof(target_sigset_t)) { | |
72eb7ea8 | 7774 | return -TARGET_EINVAL; |
c815701e | 7775 | } |
6049f4f8 RH |
7776 | if (arg2) { |
7777 | if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) | |
2852aafd | 7778 | return -TARGET_EFAULT; |
6049f4f8 RH |
7779 | act._sa_handler = rt_act->_sa_handler; |
7780 | act.sa_mask = rt_act->sa_mask; | |
7781 | act.sa_flags = rt_act->sa_flags; | |
7782 | act.sa_restorer = arg5; | |
7783 | unlock_user_struct(rt_act, arg2, 0); | |
7784 | pact = &act; | |
7785 | } | |
7786 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
7787 | if (!is_error(ret) && arg3) { | |
7788 | if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) | |
2852aafd | 7789 | return -TARGET_EFAULT; |
6049f4f8 RH |
7790 | rt_act->_sa_handler = oact._sa_handler; |
7791 | rt_act->sa_mask = oact.sa_mask; | |
7792 | rt_act->sa_flags = oact.sa_flags; | |
7793 | unlock_user_struct(rt_act, arg3, 1); | |
7794 | } | |
7795 | #else | |
78bfef72 PM |
7796 | #ifdef TARGET_SPARC |
7797 | target_ulong restorer = arg4; | |
7798 | target_ulong sigsetsize = arg5; | |
7799 | #else | |
7800 | target_ulong sigsetsize = arg4; | |
7801 | #endif | |
53a5960a PB |
7802 | struct target_sigaction *act; |
7803 | struct target_sigaction *oact; | |
7804 | ||
78bfef72 | 7805 | if (sigsetsize != sizeof(target_sigset_t)) { |
72eb7ea8 | 7806 | return -TARGET_EINVAL; |
c815701e | 7807 | } |
579a97f7 | 7808 | if (arg2) { |
78bfef72 | 7809 | if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) { |
2852aafd | 7810 | return -TARGET_EFAULT; |
78bfef72 | 7811 | } |
5de154e8 LV |
7812 | #ifdef TARGET_ARCH_HAS_KA_RESTORER |
7813 | act->ka_restorer = restorer; | |
78bfef72 PM |
7814 | #endif |
7815 | } else { | |
53a5960a | 7816 | act = NULL; |
78bfef72 | 7817 | } |
579a97f7 FB |
7818 | if (arg3) { |
7819 | if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { | |
7820 | ret = -TARGET_EFAULT; | |
7821 | goto rt_sigaction_fail; | |
7822 | } | |
7823 | } else | |
53a5960a PB |
7824 | oact = NULL; |
7825 | ret = get_errno(do_sigaction(arg1, act, oact)); | |
579a97f7 FB |
7826 | rt_sigaction_fail: |
7827 | if (act) | |
53a5960a | 7828 | unlock_user_struct(act, arg2, 0); |
579a97f7 | 7829 | if (oact) |
53a5960a | 7830 | unlock_user_struct(oact, arg3, 1); |
6049f4f8 | 7831 | #endif |
53a5960a | 7832 | } |
72eb7ea8 | 7833 | return ret; |
7a3148a9 | 7834 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 7835 | case TARGET_NR_sgetmask: |
66fb9763 FB |
7836 | { |
7837 | sigset_t cur_set; | |
992f48a0 | 7838 | abi_ulong target_set; |
3d3efba0 PM |
7839 | ret = do_sigprocmask(0, NULL, &cur_set); |
7840 | if (!ret) { | |
7841 | host_to_target_old_sigset(&target_set, &cur_set); | |
7842 | ret = target_set; | |
7843 | } | |
66fb9763 | 7844 | } |
72eb7ea8 | 7845 | return ret; |
7a3148a9 JM |
7846 | #endif |
7847 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 7848 | case TARGET_NR_ssetmask: |
66fb9763 | 7849 | { |
a8617d8c | 7850 | sigset_t set, oset; |
992f48a0 | 7851 | abi_ulong target_set = arg1; |
66fb9763 | 7852 | target_to_host_old_sigset(&set, &target_set); |
3d3efba0 PM |
7853 | ret = do_sigprocmask(SIG_SETMASK, &set, &oset); |
7854 | if (!ret) { | |
7855 | host_to_target_old_sigset(&target_set, &oset); | |
7856 | ret = target_set; | |
7857 | } | |
66fb9763 | 7858 | } |
72eb7ea8 | 7859 | return ret; |
7a3148a9 | 7860 | #endif |
e5febef5 | 7861 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
7862 | case TARGET_NR_sigprocmask: |
7863 | { | |
a5b3b13b RH |
7864 | #if defined(TARGET_ALPHA) |
7865 | sigset_t set, oldset; | |
7866 | abi_ulong mask; | |
7867 | int how; | |
7868 | ||
7869 | switch (arg1) { | |
7870 | case TARGET_SIG_BLOCK: | |
7871 | how = SIG_BLOCK; | |
7872 | break; | |
7873 | case TARGET_SIG_UNBLOCK: | |
7874 | how = SIG_UNBLOCK; | |
7875 | break; | |
7876 | case TARGET_SIG_SETMASK: | |
7877 | how = SIG_SETMASK; | |
7878 | break; | |
7879 | default: | |
259841c1 | 7880 | return -TARGET_EINVAL; |
a5b3b13b RH |
7881 | } |
7882 | mask = arg2; | |
7883 | target_to_host_old_sigset(&set, &mask); | |
7884 | ||
3d3efba0 | 7885 | ret = do_sigprocmask(how, &set, &oldset); |
a5b3b13b RH |
7886 | if (!is_error(ret)) { |
7887 | host_to_target_old_sigset(&mask, &oldset); | |
7888 | ret = mask; | |
0229f5a3 | 7889 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
7890 | } |
7891 | #else | |
66fb9763 | 7892 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 7893 | int how; |
3b46e624 | 7894 | |
53a5960a | 7895 | if (arg2) { |
a5b3b13b | 7896 | switch (arg1) { |
66fb9763 FB |
7897 | case TARGET_SIG_BLOCK: |
7898 | how = SIG_BLOCK; | |
7899 | break; | |
7900 | case TARGET_SIG_UNBLOCK: | |
7901 | how = SIG_UNBLOCK; | |
7902 | break; | |
7903 | case TARGET_SIG_SETMASK: | |
7904 | how = SIG_SETMASK; | |
7905 | break; | |
7906 | default: | |
259841c1 | 7907 | return -TARGET_EINVAL; |
66fb9763 | 7908 | } |
c227f099 | 7909 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
2852aafd | 7910 | return -TARGET_EFAULT; |
53a5960a PB |
7911 | target_to_host_old_sigset(&set, p); |
7912 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
7913 | set_ptr = &set; |
7914 | } else { | |
7915 | how = 0; | |
7916 | set_ptr = NULL; | |
7917 | } | |
3d3efba0 | 7918 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 7919 | if (!is_error(ret) && arg3) { |
c227f099 | 7920 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 7921 | return -TARGET_EFAULT; |
53a5960a | 7922 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 7923 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 7924 | } |
a5b3b13b | 7925 | #endif |
66fb9763 | 7926 | } |
72eb7ea8 | 7927 | return ret; |
e5febef5 | 7928 | #endif |
66fb9763 FB |
7929 | case TARGET_NR_rt_sigprocmask: |
7930 | { | |
7931 | int how = arg1; | |
7932 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 7933 | |
c815701e | 7934 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 7935 | return -TARGET_EINVAL; |
c815701e PM |
7936 | } |
7937 | ||
53a5960a | 7938 | if (arg2) { |
66fb9763 FB |
7939 | switch(how) { |
7940 | case TARGET_SIG_BLOCK: | |
7941 | how = SIG_BLOCK; | |
7942 | break; | |
7943 | case TARGET_SIG_UNBLOCK: | |
7944 | how = SIG_UNBLOCK; | |
7945 | break; | |
7946 | case TARGET_SIG_SETMASK: | |
7947 | how = SIG_SETMASK; | |
7948 | break; | |
7949 | default: | |
259841c1 | 7950 | return -TARGET_EINVAL; |
66fb9763 | 7951 | } |
c227f099 | 7952 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
2852aafd | 7953 | return -TARGET_EFAULT; |
53a5960a PB |
7954 | target_to_host_sigset(&set, p); |
7955 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
7956 | set_ptr = &set; |
7957 | } else { | |
7958 | how = 0; | |
7959 | set_ptr = NULL; | |
7960 | } | |
3d3efba0 | 7961 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 7962 | if (!is_error(ret) && arg3) { |
c227f099 | 7963 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 7964 | return -TARGET_EFAULT; |
53a5960a | 7965 | host_to_target_sigset(p, &oldset); |
c227f099 | 7966 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
7967 | } |
7968 | } | |
72eb7ea8 | 7969 | return ret; |
e5febef5 | 7970 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
7971 | case TARGET_NR_sigpending: |
7972 | { | |
7973 | sigset_t set; | |
7974 | ret = get_errno(sigpending(&set)); | |
7975 | if (!is_error(ret)) { | |
c227f099 | 7976 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 7977 | return -TARGET_EFAULT; |
53a5960a | 7978 | host_to_target_old_sigset(p, &set); |
c227f099 | 7979 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
7980 | } |
7981 | } | |
72eb7ea8 | 7982 | return ret; |
e5febef5 | 7983 | #endif |
66fb9763 FB |
7984 | case TARGET_NR_rt_sigpending: |
7985 | { | |
7986 | sigset_t set; | |
c815701e PM |
7987 | |
7988 | /* Yes, this check is >, not != like most. We follow the kernel's | |
7989 | * logic and it does it like this because it implements | |
7990 | * NR_sigpending through the same code path, and in that case | |
7991 | * the old_sigset_t is smaller in size. | |
7992 | */ | |
7993 | if (arg2 > sizeof(target_sigset_t)) { | |
72eb7ea8 | 7994 | return -TARGET_EINVAL; |
c815701e PM |
7995 | } |
7996 | ||
66fb9763 FB |
7997 | ret = get_errno(sigpending(&set)); |
7998 | if (!is_error(ret)) { | |
c227f099 | 7999 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 8000 | return -TARGET_EFAULT; |
53a5960a | 8001 | host_to_target_sigset(p, &set); |
c227f099 | 8002 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
8003 | } |
8004 | } | |
72eb7ea8 | 8005 | return ret; |
e5febef5 | 8006 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
8007 | case TARGET_NR_sigsuspend: |
8008 | { | |
3d3efba0 | 8009 | TaskState *ts = cpu->opaque; |
f43ce12b RH |
8010 | #if defined(TARGET_ALPHA) |
8011 | abi_ulong mask = arg1; | |
3d3efba0 | 8012 | target_to_host_old_sigset(&ts->sigsuspend_mask, &mask); |
f43ce12b | 8013 | #else |
c227f099 | 8014 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 8015 | return -TARGET_EFAULT; |
3d3efba0 | 8016 | target_to_host_old_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 8017 | unlock_user(p, arg1, 0); |
f43ce12b | 8018 | #endif |
3d3efba0 PM |
8019 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
8020 | SIGSET_T_SIZE)); | |
8021 | if (ret != -TARGET_ERESTARTSYS) { | |
8022 | ts->in_sigsuspend = 1; | |
8023 | } | |
66fb9763 | 8024 | } |
72eb7ea8 | 8025 | return ret; |
e5febef5 | 8026 | #endif |
66fb9763 FB |
8027 | case TARGET_NR_rt_sigsuspend: |
8028 | { | |
3d3efba0 | 8029 | TaskState *ts = cpu->opaque; |
c815701e PM |
8030 | |
8031 | if (arg2 != sizeof(target_sigset_t)) { | |
72eb7ea8 | 8032 | return -TARGET_EINVAL; |
c815701e | 8033 | } |
c227f099 | 8034 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 8035 | return -TARGET_EFAULT; |
3d3efba0 | 8036 | target_to_host_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 8037 | unlock_user(p, arg1, 0); |
3d3efba0 PM |
8038 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
8039 | SIGSET_T_SIZE)); | |
8040 | if (ret != -TARGET_ERESTARTSYS) { | |
8041 | ts->in_sigsuspend = 1; | |
8042 | } | |
66fb9763 | 8043 | } |
72eb7ea8 | 8044 | return ret; |
66fb9763 FB |
8045 | case TARGET_NR_rt_sigtimedwait: |
8046 | { | |
66fb9763 FB |
8047 | sigset_t set; |
8048 | struct timespec uts, *puts; | |
8049 | siginfo_t uinfo; | |
3b46e624 | 8050 | |
c815701e | 8051 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 8052 | return -TARGET_EINVAL; |
c815701e PM |
8053 | } |
8054 | ||
c227f099 | 8055 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 8056 | return -TARGET_EFAULT; |
53a5960a PB |
8057 | target_to_host_sigset(&set, p); |
8058 | unlock_user(p, arg1, 0); | |
8059 | if (arg3) { | |
66fb9763 | 8060 | puts = &uts; |
53a5960a | 8061 | target_to_host_timespec(puts, arg3); |
66fb9763 FB |
8062 | } else { |
8063 | puts = NULL; | |
8064 | } | |
b3f82330 PM |
8065 | ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts, |
8066 | SIGSET_T_SIZE)); | |
974a196d PJ |
8067 | if (!is_error(ret)) { |
8068 | if (arg2) { | |
8069 | p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), | |
8070 | 0); | |
8071 | if (!p) { | |
2852aafd | 8072 | return -TARGET_EFAULT; |
974a196d PJ |
8073 | } |
8074 | host_to_target_siginfo(p, &uinfo); | |
8075 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
8076 | } | |
8077 | ret = host_to_target_signal(ret); | |
66fb9763 FB |
8078 | } |
8079 | } | |
72eb7ea8 | 8080 | return ret; |
66fb9763 FB |
8081 | case TARGET_NR_rt_sigqueueinfo: |
8082 | { | |
8083 | siginfo_t uinfo; | |
4debae6f PM |
8084 | |
8085 | p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); | |
8086 | if (!p) { | |
2852aafd | 8087 | return -TARGET_EFAULT; |
4debae6f | 8088 | } |
53a5960a | 8089 | target_to_host_siginfo(&uinfo, p); |
d8b6d892 | 8090 | unlock_user(p, arg3, 0); |
66fb9763 FB |
8091 | ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
8092 | } | |
72eb7ea8 | 8093 | return ret; |
cf8b8bfc MS |
8094 | case TARGET_NR_rt_tgsigqueueinfo: |
8095 | { | |
8096 | siginfo_t uinfo; | |
8097 | ||
8098 | p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1); | |
8099 | if (!p) { | |
2852aafd | 8100 | return -TARGET_EFAULT; |
cf8b8bfc MS |
8101 | } |
8102 | target_to_host_siginfo(&uinfo, p); | |
8103 | unlock_user(p, arg4, 0); | |
8104 | ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, arg3, &uinfo)); | |
8105 | } | |
72eb7ea8 | 8106 | return ret; |
e5febef5 | 8107 | #ifdef TARGET_NR_sigreturn |
66fb9763 | 8108 | case TARGET_NR_sigreturn: |
3d3efba0 | 8109 | if (block_signals()) { |
72eb7ea8 | 8110 | return -TARGET_ERESTARTSYS; |
3d3efba0 | 8111 | } |
72eb7ea8 | 8112 | return do_sigreturn(cpu_env); |
e5febef5 | 8113 | #endif |
66fb9763 | 8114 | case TARGET_NR_rt_sigreturn: |
3d3efba0 | 8115 | if (block_signals()) { |
72eb7ea8 | 8116 | return -TARGET_ERESTARTSYS; |
3d3efba0 | 8117 | } |
72eb7ea8 | 8118 | return do_rt_sigreturn(cpu_env); |
31e31b8a | 8119 | case TARGET_NR_sethostname: |
579a97f7 | 8120 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8121 | return -TARGET_EFAULT; |
53a5960a PB |
8122 | ret = get_errno(sethostname(p, arg2)); |
8123 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8124 | return ret; |
4f7f8924 | 8125 | #ifdef TARGET_NR_setrlimit |
31e31b8a | 8126 | case TARGET_NR_setrlimit: |
9de5e440 | 8127 | { |
e22b7015 | 8128 | int resource = target_to_host_resource(arg1); |
53a5960a | 8129 | struct target_rlimit *target_rlim; |
9de5e440 | 8130 | struct rlimit rlim; |
579a97f7 | 8131 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
2852aafd | 8132 | return -TARGET_EFAULT; |
81bbe906 TY |
8133 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
8134 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 8135 | unlock_user_struct(target_rlim, arg2, 0); |
5dfa88f7 MF |
8136 | /* |
8137 | * If we just passed through resource limit settings for memory then | |
8138 | * they would also apply to QEMU's own allocations, and QEMU will | |
8139 | * crash or hang or die if its allocations fail. Ideally we would | |
8140 | * track the guest allocations in QEMU and apply the limits ourselves. | |
8141 | * For now, just tell the guest the call succeeded but don't actually | |
8142 | * limit anything. | |
8143 | */ | |
8144 | if (resource != RLIMIT_AS && | |
8145 | resource != RLIMIT_DATA && | |
8146 | resource != RLIMIT_STACK) { | |
8147 | return get_errno(setrlimit(resource, &rlim)); | |
8148 | } else { | |
8149 | return 0; | |
8150 | } | |
9de5e440 | 8151 | } |
4f7f8924 AR |
8152 | #endif |
8153 | #ifdef TARGET_NR_getrlimit | |
31e31b8a | 8154 | case TARGET_NR_getrlimit: |
9de5e440 | 8155 | { |
e22b7015 | 8156 | int resource = target_to_host_resource(arg1); |
53a5960a | 8157 | struct target_rlimit *target_rlim; |
9de5e440 | 8158 | struct rlimit rlim; |
3b46e624 | 8159 | |
9de5e440 FB |
8160 | ret = get_errno(getrlimit(resource, &rlim)); |
8161 | if (!is_error(ret)) { | |
579a97f7 | 8162 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 8163 | return -TARGET_EFAULT; |
81bbe906 TY |
8164 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
8165 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 8166 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
8167 | } |
8168 | } | |
72eb7ea8 | 8169 | return ret; |
4f7f8924 | 8170 | #endif |
31e31b8a | 8171 | case TARGET_NR_getrusage: |
b409186b FB |
8172 | { |
8173 | struct rusage rusage; | |
b409186b FB |
8174 | ret = get_errno(getrusage(arg1, &rusage)); |
8175 | if (!is_error(ret)) { | |
a39fb273 | 8176 | ret = host_to_target_rusage(arg2, &rusage); |
b409186b FB |
8177 | } |
8178 | } | |
72eb7ea8 | 8179 | return ret; |
31e31b8a FB |
8180 | case TARGET_NR_gettimeofday: |
8181 | { | |
31e31b8a FB |
8182 | struct timeval tv; |
8183 | ret = get_errno(gettimeofday(&tv, NULL)); | |
8184 | if (!is_error(ret)) { | |
788f5ec4 | 8185 | if (copy_to_user_timeval(arg1, &tv)) |
2852aafd | 8186 | return -TARGET_EFAULT; |
31e31b8a FB |
8187 | } |
8188 | } | |
72eb7ea8 | 8189 | return ret; |
31e31b8a FB |
8190 | case TARGET_NR_settimeofday: |
8191 | { | |
b67d8031 | 8192 | struct timeval tv, *ptv = NULL; |
ef4467e9 PB |
8193 | struct timezone tz, *ptz = NULL; |
8194 | ||
b67d8031 PB |
8195 | if (arg1) { |
8196 | if (copy_from_user_timeval(&tv, arg1)) { | |
2852aafd | 8197 | return -TARGET_EFAULT; |
b67d8031 PB |
8198 | } |
8199 | ptv = &tv; | |
8200 | } | |
ef4467e9 PB |
8201 | |
8202 | if (arg2) { | |
8203 | if (copy_from_user_timezone(&tz, arg2)) { | |
2852aafd | 8204 | return -TARGET_EFAULT; |
ef4467e9 PB |
8205 | } |
8206 | ptz = &tz; | |
8207 | } | |
8208 | ||
72eb7ea8 | 8209 | return get_errno(settimeofday(ptv, ptz)); |
31e31b8a | 8210 | } |
9468a5d4 | 8211 | #if defined(TARGET_NR_select) |
31e31b8a | 8212 | case TARGET_NR_select: |
5457dc9e LV |
8213 | #if defined(TARGET_WANT_NI_OLD_SELECT) |
8214 | /* some architectures used to have old_select here | |
8215 | * but now ENOSYS it. | |
8216 | */ | |
8217 | ret = -TARGET_ENOSYS; | |
8218 | #elif defined(TARGET_WANT_OLD_SYS_SELECT) | |
8219 | ret = do_old_select(arg1); | |
9468a5d4 | 8220 | #else |
5457dc9e | 8221 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
9468a5d4 | 8222 | #endif |
72eb7ea8 | 8223 | return ret; |
9e42382f RV |
8224 | #endif |
8225 | #ifdef TARGET_NR_pselect6 | |
8226 | case TARGET_NR_pselect6: | |
055e0906 MF |
8227 | { |
8228 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
8229 | fd_set rfds, wfds, efds; | |
8230 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
8231 | struct timespec ts, *ts_ptr; | |
8232 | ||
8233 | /* | |
8234 | * The 6th arg is actually two args smashed together, | |
8235 | * so we cannot use the C library. | |
8236 | */ | |
8237 | sigset_t set; | |
8238 | struct { | |
8239 | sigset_t *set; | |
8240 | size_t size; | |
8241 | } sig, *sig_ptr; | |
8242 | ||
8243 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
8244 | target_sigset_t *target_sigset; | |
8245 | ||
8246 | n = arg1; | |
8247 | rfd_addr = arg2; | |
8248 | wfd_addr = arg3; | |
8249 | efd_addr = arg4; | |
8250 | ts_addr = arg5; | |
8251 | ||
8252 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
8253 | if (ret) { | |
259841c1 | 8254 | return ret; |
055e0906 MF |
8255 | } |
8256 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
8257 | if (ret) { | |
259841c1 | 8258 | return ret; |
055e0906 MF |
8259 | } |
8260 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
8261 | if (ret) { | |
259841c1 | 8262 | return ret; |
055e0906 MF |
8263 | } |
8264 | ||
8265 | /* | |
8266 | * This takes a timespec, and not a timeval, so we cannot | |
8267 | * use the do_select() helper ... | |
8268 | */ | |
8269 | if (ts_addr) { | |
8270 | if (target_to_host_timespec(&ts, ts_addr)) { | |
2852aafd | 8271 | return -TARGET_EFAULT; |
055e0906 MF |
8272 | } |
8273 | ts_ptr = &ts; | |
8274 | } else { | |
8275 | ts_ptr = NULL; | |
8276 | } | |
8277 | ||
8278 | /* Extract the two packed args for the sigset */ | |
8279 | if (arg6) { | |
8280 | sig_ptr = &sig; | |
b28a1f33 | 8281 | sig.size = SIGSET_T_SIZE; |
055e0906 MF |
8282 | |
8283 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); | |
8284 | if (!arg7) { | |
2852aafd | 8285 | return -TARGET_EFAULT; |
055e0906 | 8286 | } |
cbb21eed MB |
8287 | arg_sigset = tswapal(arg7[0]); |
8288 | arg_sigsize = tswapal(arg7[1]); | |
055e0906 MF |
8289 | unlock_user(arg7, arg6, 0); |
8290 | ||
8291 | if (arg_sigset) { | |
8292 | sig.set = &set; | |
8f04eeb3 PM |
8293 | if (arg_sigsize != sizeof(*target_sigset)) { |
8294 | /* Like the kernel, we enforce correct size sigsets */ | |
259841c1 | 8295 | return -TARGET_EINVAL; |
8f04eeb3 | 8296 | } |
055e0906 MF |
8297 | target_sigset = lock_user(VERIFY_READ, arg_sigset, |
8298 | sizeof(*target_sigset), 1); | |
8299 | if (!target_sigset) { | |
2852aafd | 8300 | return -TARGET_EFAULT; |
055e0906 MF |
8301 | } |
8302 | target_to_host_sigset(&set, target_sigset); | |
8303 | unlock_user(target_sigset, arg_sigset, 0); | |
8304 | } else { | |
8305 | sig.set = NULL; | |
8306 | } | |
8307 | } else { | |
8308 | sig_ptr = NULL; | |
8309 | } | |
8310 | ||
6df9d38d PM |
8311 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
8312 | ts_ptr, sig_ptr)); | |
055e0906 MF |
8313 | |
8314 | if (!is_error(ret)) { | |
8315 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
2852aafd | 8316 | return -TARGET_EFAULT; |
055e0906 | 8317 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) |
2852aafd | 8318 | return -TARGET_EFAULT; |
055e0906 | 8319 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) |
2852aafd | 8320 | return -TARGET_EFAULT; |
055e0906 MF |
8321 | |
8322 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) | |
2852aafd | 8323 | return -TARGET_EFAULT; |
055e0906 MF |
8324 | } |
8325 | } | |
72eb7ea8 | 8326 | return ret; |
048f6b4d | 8327 | #endif |
704eff6c | 8328 | #ifdef TARGET_NR_symlink |
31e31b8a | 8329 | case TARGET_NR_symlink: |
53a5960a PB |
8330 | { |
8331 | void *p2; | |
8332 | p = lock_user_string(arg1); | |
8333 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
8334 | if (!p || !p2) |
8335 | ret = -TARGET_EFAULT; | |
8336 | else | |
8337 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
8338 | unlock_user(p2, arg2, 0); |
8339 | unlock_user(p, arg1, 0); | |
8340 | } | |
72eb7ea8 | 8341 | return ret; |
704eff6c | 8342 | #endif |
c0d472b1 | 8343 | #if defined(TARGET_NR_symlinkat) |
f0b6243d | 8344 | case TARGET_NR_symlinkat: |
f0b6243d | 8345 | { |
579a97f7 | 8346 | void *p2; |
f0b6243d TS |
8347 | p = lock_user_string(arg1); |
8348 | p2 = lock_user_string(arg3); | |
579a97f7 | 8349 | if (!p || !p2) |
0da46a6e | 8350 | ret = -TARGET_EFAULT; |
f0b6243d | 8351 | else |
c0d472b1 | 8352 | ret = get_errno(symlinkat(p, arg2, p2)); |
579a97f7 FB |
8353 | unlock_user(p2, arg3, 0); |
8354 | unlock_user(p, arg1, 0); | |
f0b6243d | 8355 | } |
72eb7ea8 | 8356 | return ret; |
f0b6243d | 8357 | #endif |
704eff6c | 8358 | #ifdef TARGET_NR_readlink |
31e31b8a | 8359 | case TARGET_NR_readlink: |
53a5960a | 8360 | { |
463d8e73 | 8361 | void *p2; |
53a5960a | 8362 | p = lock_user_string(arg1); |
579a97f7 | 8363 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
463d8e73 | 8364 | if (!p || !p2) { |
579a97f7 | 8365 | ret = -TARGET_EFAULT; |
f17f4989 MF |
8366 | } else if (!arg3) { |
8367 | /* Short circuit this for the magic exe check. */ | |
8368 | ret = -TARGET_EINVAL; | |
463d8e73 AS |
8369 | } else if (is_proc_myself((const char *)p, "exe")) { |
8370 | char real[PATH_MAX], *temp; | |
8371 | temp = realpath(exec_path, real); | |
f17f4989 MF |
8372 | /* Return value is # of bytes that we wrote to the buffer. */ |
8373 | if (temp == NULL) { | |
8374 | ret = get_errno(-1); | |
8375 | } else { | |
8376 | /* Don't worry about sign mismatch as earlier mapping | |
8377 | * logic would have thrown a bad address error. */ | |
8378 | ret = MIN(strlen(real), arg3); | |
8379 | /* We cannot NUL terminate the string. */ | |
8380 | memcpy(p2, real, ret); | |
8381 | } | |
463d8e73 AS |
8382 | } else { |
8383 | ret = get_errno(readlink(path(p), p2, arg3)); | |
d088d664 | 8384 | } |
53a5960a PB |
8385 | unlock_user(p2, arg2, ret); |
8386 | unlock_user(p, arg1, 0); | |
8387 | } | |
72eb7ea8 | 8388 | return ret; |
704eff6c | 8389 | #endif |
c0d472b1 | 8390 | #if defined(TARGET_NR_readlinkat) |
5e0ccb18 | 8391 | case TARGET_NR_readlinkat: |
5e0ccb18 | 8392 | { |
579a97f7 | 8393 | void *p2; |
5e0ccb18 | 8394 | p = lock_user_string(arg2); |
579a97f7 | 8395 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
463d8e73 AS |
8396 | if (!p || !p2) { |
8397 | ret = -TARGET_EFAULT; | |
8398 | } else if (is_proc_myself((const char *)p, "exe")) { | |
8399 | char real[PATH_MAX], *temp; | |
8400 | temp = realpath(exec_path, real); | |
8401 | ret = temp == NULL ? get_errno(-1) : strlen(real) ; | |
8402 | snprintf((char *)p2, arg4, "%s", real); | |
8403 | } else { | |
c0d472b1 | 8404 | ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
463d8e73 | 8405 | } |
579a97f7 FB |
8406 | unlock_user(p2, arg3, ret); |
8407 | unlock_user(p, arg2, 0); | |
5e0ccb18 | 8408 | } |
72eb7ea8 | 8409 | return ret; |
5e0ccb18 | 8410 | #endif |
e5febef5 | 8411 | #ifdef TARGET_NR_swapon |
31e31b8a | 8412 | case TARGET_NR_swapon: |
579a97f7 | 8413 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8414 | return -TARGET_EFAULT; |
53a5960a PB |
8415 | ret = get_errno(swapon(p, arg2)); |
8416 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8417 | return ret; |
e5febef5 | 8418 | #endif |
31e31b8a | 8419 | case TARGET_NR_reboot: |
c07ecc68 LV |
8420 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
8421 | /* arg4 must be ignored in all other cases */ | |
8422 | p = lock_user_string(arg4); | |
8423 | if (!p) { | |
2852aafd | 8424 | return -TARGET_EFAULT; |
c07ecc68 LV |
8425 | } |
8426 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
8427 | unlock_user(p, arg4, 0); | |
8428 | } else { | |
8429 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
8430 | } | |
72eb7ea8 | 8431 | return ret; |
e5febef5 | 8432 | #ifdef TARGET_NR_mmap |
31e31b8a | 8433 | case TARGET_NR_mmap: |
09701199 AG |
8434 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
8435 | (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ | |
a4c075f1 UH |
8436 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
8437 | || defined(TARGET_S390X) | |
31e31b8a | 8438 | { |
992f48a0 BS |
8439 | abi_ulong *v; |
8440 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 | 8441 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
2852aafd | 8442 | return -TARGET_EFAULT; |
cbb21eed MB |
8443 | v1 = tswapal(v[0]); |
8444 | v2 = tswapal(v[1]); | |
8445 | v3 = tswapal(v[2]); | |
8446 | v4 = tswapal(v[3]); | |
8447 | v5 = tswapal(v[4]); | |
8448 | v6 = tswapal(v[5]); | |
53a5960a | 8449 | unlock_user(v, arg1, 0); |
5fafdf24 | 8450 | ret = get_errno(target_mmap(v1, v2, v3, |
5286db75 FB |
8451 | target_to_host_bitmask(v4, mmap_flags_tbl), |
8452 | v5, v6)); | |
31e31b8a | 8453 | } |
31e31b8a | 8454 | #else |
5fafdf24 TS |
8455 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
8456 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
6fb883e8 FB |
8457 | arg5, |
8458 | arg6)); | |
31e31b8a | 8459 | #endif |
72eb7ea8 | 8460 | return ret; |
e5febef5 | 8461 | #endif |
a315a145 | 8462 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 8463 | case TARGET_NR_mmap2: |
bb7ec043 | 8464 | #ifndef MMAP_SHIFT |
c573ff67 | 8465 | #define MMAP_SHIFT 12 |
c573ff67 | 8466 | #endif |
72eb7ea8 RH |
8467 | ret = target_mmap(arg1, arg2, arg3, |
8468 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
8469 | arg5, arg6 << MMAP_SHIFT); | |
8470 | return get_errno(ret); | |
a315a145 | 8471 | #endif |
31e31b8a | 8472 | case TARGET_NR_munmap: |
72eb7ea8 | 8473 | return get_errno(target_munmap(arg1, arg2)); |
9de5e440 | 8474 | case TARGET_NR_mprotect: |
97374d38 | 8475 | { |
0429a971 | 8476 | TaskState *ts = cpu->opaque; |
97374d38 PB |
8477 | /* Special hack to detect libc making the stack executable. */ |
8478 | if ((arg3 & PROT_GROWSDOWN) | |
8479 | && arg1 >= ts->info->stack_limit | |
8480 | && arg1 <= ts->info->start_stack) { | |
8481 | arg3 &= ~PROT_GROWSDOWN; | |
8482 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
8483 | arg1 = ts->info->stack_limit; | |
8484 | } | |
8485 | } | |
72eb7ea8 | 8486 | return get_errno(target_mprotect(arg1, arg2, arg3)); |
e5febef5 | 8487 | #ifdef TARGET_NR_mremap |
9de5e440 | 8488 | case TARGET_NR_mremap: |
72eb7ea8 | 8489 | return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
e5febef5 | 8490 | #endif |
53a5960a | 8491 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 8492 | #ifdef TARGET_NR_msync |
9de5e440 | 8493 | case TARGET_NR_msync: |
72eb7ea8 | 8494 | return get_errno(msync(g2h(arg1), arg2, arg3)); |
e5febef5 TS |
8495 | #endif |
8496 | #ifdef TARGET_NR_mlock | |
9de5e440 | 8497 | case TARGET_NR_mlock: |
72eb7ea8 | 8498 | return get_errno(mlock(g2h(arg1), arg2)); |
e5febef5 TS |
8499 | #endif |
8500 | #ifdef TARGET_NR_munlock | |
9de5e440 | 8501 | case TARGET_NR_munlock: |
72eb7ea8 | 8502 | return get_errno(munlock(g2h(arg1), arg2)); |
e5febef5 TS |
8503 | #endif |
8504 | #ifdef TARGET_NR_mlockall | |
9de5e440 | 8505 | case TARGET_NR_mlockall: |
72eb7ea8 | 8506 | return get_errno(mlockall(target_to_host_mlockall_arg(arg1))); |
e5febef5 TS |
8507 | #endif |
8508 | #ifdef TARGET_NR_munlockall | |
9de5e440 | 8509 | case TARGET_NR_munlockall: |
72eb7ea8 | 8510 | return get_errno(munlockall()); |
e5febef5 | 8511 | #endif |
4f7f8924 | 8512 | #ifdef TARGET_NR_truncate |
31e31b8a | 8513 | case TARGET_NR_truncate: |
579a97f7 | 8514 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8515 | return -TARGET_EFAULT; |
53a5960a PB |
8516 | ret = get_errno(truncate(p, arg2)); |
8517 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8518 | return ret; |
4f7f8924 AR |
8519 | #endif |
8520 | #ifdef TARGET_NR_ftruncate | |
31e31b8a | 8521 | case TARGET_NR_ftruncate: |
72eb7ea8 | 8522 | return get_errno(ftruncate(arg1, arg2)); |
4f7f8924 | 8523 | #endif |
31e31b8a | 8524 | case TARGET_NR_fchmod: |
72eb7ea8 | 8525 | return get_errno(fchmod(arg1, arg2)); |
c0d472b1 | 8526 | #if defined(TARGET_NR_fchmodat) |
814d7977 | 8527 | case TARGET_NR_fchmodat: |
579a97f7 | 8528 | if (!(p = lock_user_string(arg2))) |
2852aafd | 8529 | return -TARGET_EFAULT; |
c0d472b1 | 8530 | ret = get_errno(fchmodat(arg1, p, arg3, 0)); |
579a97f7 | 8531 | unlock_user(p, arg2, 0); |
72eb7ea8 | 8532 | return ret; |
814d7977 | 8533 | #endif |
31e31b8a | 8534 | case TARGET_NR_getpriority: |
95c09828 RH |
8535 | /* Note that negative values are valid for getpriority, so we must |
8536 | differentiate based on errno settings. */ | |
8537 | errno = 0; | |
8538 | ret = getpriority(arg1, arg2); | |
8539 | if (ret == -1 && errno != 0) { | |
72eb7ea8 | 8540 | return -host_to_target_errno(errno); |
95c09828 RH |
8541 | } |
8542 | #ifdef TARGET_ALPHA | |
8543 | /* Return value is the unbiased priority. Signal no error. */ | |
8544 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; | |
8545 | #else | |
8546 | /* Return value is a biased priority to avoid negative numbers. */ | |
8547 | ret = 20 - ret; | |
8548 | #endif | |
72eb7ea8 | 8549 | return ret; |
31e31b8a | 8550 | case TARGET_NR_setpriority: |
72eb7ea8 | 8551 | return get_errno(setpriority(arg1, arg2, arg3)); |
4f7f8924 | 8552 | #ifdef TARGET_NR_statfs |
31e31b8a | 8553 | case TARGET_NR_statfs: |
2852aafd RH |
8554 | if (!(p = lock_user_string(arg1))) { |
8555 | return -TARGET_EFAULT; | |
8556 | } | |
53a5960a PB |
8557 | ret = get_errno(statfs(path(p), &stfs)); |
8558 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
8559 | convert_statfs: |
8560 | if (!is_error(ret)) { | |
53a5960a | 8561 | struct target_statfs *target_stfs; |
3b46e624 | 8562 | |
579a97f7 | 8563 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
2852aafd | 8564 | return -TARGET_EFAULT; |
579a97f7 FB |
8565 | __put_user(stfs.f_type, &target_stfs->f_type); |
8566 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
8567 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
8568 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
8569 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
8570 | __put_user(stfs.f_files, &target_stfs->f_files); | |
8571 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
8572 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
8573 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
8574 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 | 8575 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
d4247ec2 SL |
8576 | #ifdef _STATFS_F_FLAGS |
8577 | __put_user(stfs.f_flags, &target_stfs->f_flags); | |
8578 | #else | |
8579 | __put_user(0, &target_stfs->f_flags); | |
8580 | #endif | |
229d3376 | 8581 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
53a5960a | 8582 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a | 8583 | } |
72eb7ea8 | 8584 | return ret; |
4f7f8924 AR |
8585 | #endif |
8586 | #ifdef TARGET_NR_fstatfs | |
31e31b8a | 8587 | case TARGET_NR_fstatfs: |
56c8f68f | 8588 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 8589 | goto convert_statfs; |
4f7f8924 | 8590 | #endif |
56c8f68f FB |
8591 | #ifdef TARGET_NR_statfs64 |
8592 | case TARGET_NR_statfs64: | |
2852aafd RH |
8593 | if (!(p = lock_user_string(arg1))) { |
8594 | return -TARGET_EFAULT; | |
8595 | } | |
53a5960a PB |
8596 | ret = get_errno(statfs(path(p), &stfs)); |
8597 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
8598 | convert_statfs64: |
8599 | if (!is_error(ret)) { | |
53a5960a | 8600 | struct target_statfs64 *target_stfs; |
3b46e624 | 8601 | |
579a97f7 | 8602 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
2852aafd | 8603 | return -TARGET_EFAULT; |
579a97f7 FB |
8604 | __put_user(stfs.f_type, &target_stfs->f_type); |
8605 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
8606 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
8607 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
8608 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
8609 | __put_user(stfs.f_files, &target_stfs->f_files); | |
8610 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
8611 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
8612 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
8613 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
8614 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
8615 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
579a97f7 | 8616 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f | 8617 | } |
72eb7ea8 | 8618 | return ret; |
56c8f68f FB |
8619 | case TARGET_NR_fstatfs64: |
8620 | ret = get_errno(fstatfs(arg1, &stfs)); | |
8621 | goto convert_statfs64; | |
8622 | #endif | |
e5febef5 | 8623 | #ifdef TARGET_NR_socketcall |
31e31b8a | 8624 | case TARGET_NR_socketcall: |
72eb7ea8 | 8625 | return do_socketcall(arg1, arg2); |
e5febef5 | 8626 | #endif |
3532fa74 FB |
8627 | #ifdef TARGET_NR_accept |
8628 | case TARGET_NR_accept: | |
72eb7ea8 | 8629 | return do_accept4(arg1, arg2, arg3, 0); |
a94b4987 PM |
8630 | #endif |
8631 | #ifdef TARGET_NR_accept4 | |
8632 | case TARGET_NR_accept4: | |
72eb7ea8 | 8633 | return do_accept4(arg1, arg2, arg3, arg4); |
3532fa74 FB |
8634 | #endif |
8635 | #ifdef TARGET_NR_bind | |
8636 | case TARGET_NR_bind: | |
72eb7ea8 | 8637 | return do_bind(arg1, arg2, arg3); |
3532fa74 FB |
8638 | #endif |
8639 | #ifdef TARGET_NR_connect | |
8640 | case TARGET_NR_connect: | |
72eb7ea8 | 8641 | return do_connect(arg1, arg2, arg3); |
3532fa74 FB |
8642 | #endif |
8643 | #ifdef TARGET_NR_getpeername | |
8644 | case TARGET_NR_getpeername: | |
72eb7ea8 | 8645 | return do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
8646 | #endif |
8647 | #ifdef TARGET_NR_getsockname | |
8648 | case TARGET_NR_getsockname: | |
72eb7ea8 | 8649 | return do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
8650 | #endif |
8651 | #ifdef TARGET_NR_getsockopt | |
8652 | case TARGET_NR_getsockopt: | |
72eb7ea8 | 8653 | return do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
3532fa74 FB |
8654 | #endif |
8655 | #ifdef TARGET_NR_listen | |
8656 | case TARGET_NR_listen: | |
72eb7ea8 | 8657 | return get_errno(listen(arg1, arg2)); |
3532fa74 FB |
8658 | #endif |
8659 | #ifdef TARGET_NR_recv | |
8660 | case TARGET_NR_recv: | |
72eb7ea8 | 8661 | return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
8662 | #endif |
8663 | #ifdef TARGET_NR_recvfrom | |
8664 | case TARGET_NR_recvfrom: | |
72eb7ea8 | 8665 | return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
8666 | #endif |
8667 | #ifdef TARGET_NR_recvmsg | |
8668 | case TARGET_NR_recvmsg: | |
72eb7ea8 | 8669 | return do_sendrecvmsg(arg1, arg2, arg3, 0); |
3532fa74 FB |
8670 | #endif |
8671 | #ifdef TARGET_NR_send | |
8672 | case TARGET_NR_send: | |
72eb7ea8 | 8673 | return do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
8674 | #endif |
8675 | #ifdef TARGET_NR_sendmsg | |
8676 | case TARGET_NR_sendmsg: | |
72eb7ea8 | 8677 | return do_sendrecvmsg(arg1, arg2, arg3, 1); |
3532fa74 | 8678 | #endif |
f19e00d7 AG |
8679 | #ifdef TARGET_NR_sendmmsg |
8680 | case TARGET_NR_sendmmsg: | |
72eb7ea8 | 8681 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); |
f19e00d7 | 8682 | case TARGET_NR_recvmmsg: |
72eb7ea8 | 8683 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); |
f19e00d7 | 8684 | #endif |
3532fa74 FB |
8685 | #ifdef TARGET_NR_sendto |
8686 | case TARGET_NR_sendto: | |
72eb7ea8 | 8687 | return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
8688 | #endif |
8689 | #ifdef TARGET_NR_shutdown | |
8690 | case TARGET_NR_shutdown: | |
72eb7ea8 | 8691 | return get_errno(shutdown(arg1, arg2)); |
3532fa74 | 8692 | #endif |
f894efd1 LV |
8693 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
8694 | case TARGET_NR_getrandom: | |
8695 | p = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
8696 | if (!p) { | |
2852aafd | 8697 | return -TARGET_EFAULT; |
f894efd1 LV |
8698 | } |
8699 | ret = get_errno(getrandom(p, arg2, arg3)); | |
8700 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 8701 | return ret; |
f894efd1 | 8702 | #endif |
3532fa74 FB |
8703 | #ifdef TARGET_NR_socket |
8704 | case TARGET_NR_socket: | |
72eb7ea8 | 8705 | return do_socket(arg1, arg2, arg3); |
3532fa74 FB |
8706 | #endif |
8707 | #ifdef TARGET_NR_socketpair | |
8708 | case TARGET_NR_socketpair: | |
72eb7ea8 | 8709 | return do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
8710 | #endif |
8711 | #ifdef TARGET_NR_setsockopt | |
8712 | case TARGET_NR_setsockopt: | |
72eb7ea8 | 8713 | return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
3532fa74 | 8714 | #endif |
da2c8ad7 | 8715 | #if defined(TARGET_NR_syslog) |
31e31b8a | 8716 | case TARGET_NR_syslog: |
da2c8ad7 AM |
8717 | { |
8718 | int len = arg2; | |
7494b0f9 | 8719 | |
da2c8ad7 AM |
8720 | switch (arg1) { |
8721 | case TARGET_SYSLOG_ACTION_CLOSE: /* Close log */ | |
8722 | case TARGET_SYSLOG_ACTION_OPEN: /* Open log */ | |
8723 | case TARGET_SYSLOG_ACTION_CLEAR: /* Clear ring buffer */ | |
8724 | case TARGET_SYSLOG_ACTION_CONSOLE_OFF: /* Disable logging */ | |
8725 | case TARGET_SYSLOG_ACTION_CONSOLE_ON: /* Enable logging */ | |
8726 | case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: /* Set messages level */ | |
8727 | case TARGET_SYSLOG_ACTION_SIZE_UNREAD: /* Number of chars */ | |
8728 | case TARGET_SYSLOG_ACTION_SIZE_BUFFER: /* Size of the buffer */ | |
72eb7ea8 | 8729 | return get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); |
da2c8ad7 AM |
8730 | case TARGET_SYSLOG_ACTION_READ: /* Read from log */ |
8731 | case TARGET_SYSLOG_ACTION_READ_CLEAR: /* Read/clear msgs */ | |
8732 | case TARGET_SYSLOG_ACTION_READ_ALL: /* Read last messages */ | |
8733 | { | |
da2c8ad7 | 8734 | if (len < 0) { |
259841c1 | 8735 | return -TARGET_EINVAL; |
da2c8ad7 | 8736 | } |
da2c8ad7 | 8737 | if (len == 0) { |
72eb7ea8 | 8738 | return 0; |
da2c8ad7 AM |
8739 | } |
8740 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
8741 | if (!p) { | |
259841c1 | 8742 | return -TARGET_EFAULT; |
da2c8ad7 AM |
8743 | } |
8744 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); | |
8745 | unlock_user(p, arg2, arg3); | |
8746 | } | |
72eb7ea8 | 8747 | return ret; |
da2c8ad7 | 8748 | default: |
72eb7ea8 | 8749 | return -TARGET_EINVAL; |
da2c8ad7 AM |
8750 | } |
8751 | } | |
8752 | break; | |
8753 | #endif | |
31e31b8a | 8754 | case TARGET_NR_setitimer: |
66fb9763 | 8755 | { |
66fb9763 FB |
8756 | struct itimerval value, ovalue, *pvalue; |
8757 | ||
53a5960a | 8758 | if (arg2) { |
66fb9763 | 8759 | pvalue = &value; |
788f5ec4 TS |
8760 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
8761 | || copy_from_user_timeval(&pvalue->it_value, | |
8762 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 8763 | return -TARGET_EFAULT; |
66fb9763 FB |
8764 | } else { |
8765 | pvalue = NULL; | |
8766 | } | |
8767 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 8768 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
8769 | if (copy_to_user_timeval(arg3, |
8770 | &ovalue.it_interval) | |
8771 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
8772 | &ovalue.it_value)) | |
2852aafd | 8773 | return -TARGET_EFAULT; |
66fb9763 FB |
8774 | } |
8775 | } | |
72eb7ea8 | 8776 | return ret; |
31e31b8a | 8777 | case TARGET_NR_getitimer: |
66fb9763 | 8778 | { |
66fb9763 | 8779 | struct itimerval value; |
3b46e624 | 8780 | |
66fb9763 | 8781 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 8782 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
8783 | if (copy_to_user_timeval(arg2, |
8784 | &value.it_interval) | |
8785 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
8786 | &value.it_value)) | |
2852aafd | 8787 | return -TARGET_EFAULT; |
66fb9763 FB |
8788 | } |
8789 | } | |
72eb7ea8 | 8790 | return ret; |
704eff6c | 8791 | #ifdef TARGET_NR_stat |
31e31b8a | 8792 | case TARGET_NR_stat: |
2852aafd RH |
8793 | if (!(p = lock_user_string(arg1))) { |
8794 | return -TARGET_EFAULT; | |
8795 | } | |
53a5960a PB |
8796 | ret = get_errno(stat(path(p), &st)); |
8797 | unlock_user(p, arg1, 0); | |
31e31b8a | 8798 | goto do_stat; |
704eff6c CG |
8799 | #endif |
8800 | #ifdef TARGET_NR_lstat | |
31e31b8a | 8801 | case TARGET_NR_lstat: |
2852aafd RH |
8802 | if (!(p = lock_user_string(arg1))) { |
8803 | return -TARGET_EFAULT; | |
8804 | } | |
53a5960a PB |
8805 | ret = get_errno(lstat(path(p), &st)); |
8806 | unlock_user(p, arg1, 0); | |
31e31b8a | 8807 | goto do_stat; |
704eff6c | 8808 | #endif |
4f7f8924 | 8809 | #ifdef TARGET_NR_fstat |
31e31b8a FB |
8810 | case TARGET_NR_fstat: |
8811 | { | |
8812 | ret = get_errno(fstat(arg1, &st)); | |
704eff6c | 8813 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat) |
31e31b8a | 8814 | do_stat: |
704eff6c | 8815 | #endif |
31e31b8a | 8816 | if (!is_error(ret)) { |
53a5960a | 8817 | struct target_stat *target_st; |
e3584658 | 8818 | |
579a97f7 | 8819 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
2852aafd | 8820 | return -TARGET_EFAULT; |
12727917 | 8821 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
8822 | __put_user(st.st_dev, &target_st->st_dev); |
8823 | __put_user(st.st_ino, &target_st->st_ino); | |
8824 | __put_user(st.st_mode, &target_st->st_mode); | |
8825 | __put_user(st.st_uid, &target_st->st_uid); | |
8826 | __put_user(st.st_gid, &target_st->st_gid); | |
8827 | __put_user(st.st_nlink, &target_st->st_nlink); | |
8828 | __put_user(st.st_rdev, &target_st->st_rdev); | |
8829 | __put_user(st.st_size, &target_st->st_size); | |
8830 | __put_user(st.st_blksize, &target_st->st_blksize); | |
8831 | __put_user(st.st_blocks, &target_st->st_blocks); | |
8832 | __put_user(st.st_atime, &target_st->target_st_atime); | |
8833 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
8834 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
53a5960a | 8835 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
8836 | } |
8837 | } | |
72eb7ea8 | 8838 | return ret; |
ebc05488 | 8839 | #endif |
31e31b8a | 8840 | case TARGET_NR_vhangup: |
72eb7ea8 | 8841 | return get_errno(vhangup()); |
42ad6ae9 FB |
8842 | #ifdef TARGET_NR_syscall |
8843 | case TARGET_NR_syscall: | |
72eb7ea8 RH |
8844 | return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
8845 | arg6, arg7, arg8, 0); | |
ebc05488 | 8846 | #endif |
31e31b8a FB |
8847 | case TARGET_NR_wait4: |
8848 | { | |
8849 | int status; | |
992f48a0 | 8850 | abi_long status_ptr = arg2; |
31e31b8a | 8851 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 8852 | abi_ulong target_rusage = arg4; |
a39fb273 | 8853 | abi_long rusage_err; |
31e31b8a FB |
8854 | if (target_rusage) |
8855 | rusage_ptr = &rusage; | |
8856 | else | |
8857 | rusage_ptr = NULL; | |
4af80a37 | 8858 | ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr)); |
31e31b8a | 8859 | if (!is_error(ret)) { |
5379557b | 8860 | if (status_ptr && ret) { |
1d9d8b55 | 8861 | status = host_to_target_waitstatus(status); |
2f619698 | 8862 | if (put_user_s32(status, status_ptr)) |
2852aafd | 8863 | return -TARGET_EFAULT; |
31e31b8a | 8864 | } |
a39fb273 PJ |
8865 | if (target_rusage) { |
8866 | rusage_err = host_to_target_rusage(target_rusage, &rusage); | |
8867 | if (rusage_err) { | |
8868 | ret = rusage_err; | |
8869 | } | |
8870 | } | |
31e31b8a FB |
8871 | } |
8872 | } | |
72eb7ea8 | 8873 | return ret; |
e5febef5 | 8874 | #ifdef TARGET_NR_swapoff |
31e31b8a | 8875 | case TARGET_NR_swapoff: |
579a97f7 | 8876 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8877 | return -TARGET_EFAULT; |
53a5960a PB |
8878 | ret = get_errno(swapoff(p)); |
8879 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8880 | return ret; |
e5febef5 | 8881 | #endif |
31e31b8a | 8882 | case TARGET_NR_sysinfo: |
a5448a7d | 8883 | { |
53a5960a | 8884 | struct target_sysinfo *target_value; |
a5448a7d FB |
8885 | struct sysinfo value; |
8886 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 8887 | if (!is_error(ret) && arg1) |
a5448a7d | 8888 | { |
579a97f7 | 8889 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
2852aafd | 8890 | return -TARGET_EFAULT; |
a5448a7d FB |
8891 | __put_user(value.uptime, &target_value->uptime); |
8892 | __put_user(value.loads[0], &target_value->loads[0]); | |
8893 | __put_user(value.loads[1], &target_value->loads[1]); | |
8894 | __put_user(value.loads[2], &target_value->loads[2]); | |
8895 | __put_user(value.totalram, &target_value->totalram); | |
8896 | __put_user(value.freeram, &target_value->freeram); | |
8897 | __put_user(value.sharedram, &target_value->sharedram); | |
8898 | __put_user(value.bufferram, &target_value->bufferram); | |
8899 | __put_user(value.totalswap, &target_value->totalswap); | |
8900 | __put_user(value.freeswap, &target_value->freeswap); | |
8901 | __put_user(value.procs, &target_value->procs); | |
8902 | __put_user(value.totalhigh, &target_value->totalhigh); | |
8903 | __put_user(value.freehigh, &target_value->freehigh); | |
8904 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 8905 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
8906 | } |
8907 | } | |
72eb7ea8 | 8908 | return ret; |
e5febef5 | 8909 | #ifdef TARGET_NR_ipc |
31e31b8a | 8910 | case TARGET_NR_ipc: |
72eb7ea8 | 8911 | return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); |
e5febef5 | 8912 | #endif |
e5289087 AJ |
8913 | #ifdef TARGET_NR_semget |
8914 | case TARGET_NR_semget: | |
72eb7ea8 | 8915 | return get_errno(semget(arg1, arg2, arg3)); |
e5289087 AJ |
8916 | #endif |
8917 | #ifdef TARGET_NR_semop | |
8918 | case TARGET_NR_semop: | |
72eb7ea8 | 8919 | return do_semop(arg1, arg2, arg3); |
e5289087 AJ |
8920 | #endif |
8921 | #ifdef TARGET_NR_semctl | |
8922 | case TARGET_NR_semctl: | |
72eb7ea8 | 8923 | return do_semctl(arg1, arg2, arg3, arg4); |
e5289087 | 8924 | #endif |
eeb438c1 AJ |
8925 | #ifdef TARGET_NR_msgctl |
8926 | case TARGET_NR_msgctl: | |
72eb7ea8 | 8927 | return do_msgctl(arg1, arg2, arg3); |
eeb438c1 AJ |
8928 | #endif |
8929 | #ifdef TARGET_NR_msgget | |
8930 | case TARGET_NR_msgget: | |
72eb7ea8 | 8931 | return get_errno(msgget(arg1, arg2)); |
eeb438c1 AJ |
8932 | #endif |
8933 | #ifdef TARGET_NR_msgrcv | |
8934 | case TARGET_NR_msgrcv: | |
72eb7ea8 | 8935 | return do_msgrcv(arg1, arg2, arg3, arg4, arg5); |
eeb438c1 AJ |
8936 | #endif |
8937 | #ifdef TARGET_NR_msgsnd | |
8938 | case TARGET_NR_msgsnd: | |
72eb7ea8 | 8939 | return do_msgsnd(arg1, arg2, arg3, arg4); |
88a8c984 RV |
8940 | #endif |
8941 | #ifdef TARGET_NR_shmget | |
8942 | case TARGET_NR_shmget: | |
72eb7ea8 | 8943 | return get_errno(shmget(arg1, arg2, arg3)); |
88a8c984 RV |
8944 | #endif |
8945 | #ifdef TARGET_NR_shmctl | |
8946 | case TARGET_NR_shmctl: | |
72eb7ea8 | 8947 | return do_shmctl(arg1, arg2, arg3); |
88a8c984 RV |
8948 | #endif |
8949 | #ifdef TARGET_NR_shmat | |
8950 | case TARGET_NR_shmat: | |
72eb7ea8 | 8951 | return do_shmat(cpu_env, arg1, arg2, arg3); |
88a8c984 RV |
8952 | #endif |
8953 | #ifdef TARGET_NR_shmdt | |
8954 | case TARGET_NR_shmdt: | |
72eb7ea8 | 8955 | return do_shmdt(arg1); |
eeb438c1 | 8956 | #endif |
31e31b8a | 8957 | case TARGET_NR_fsync: |
72eb7ea8 | 8958 | return get_errno(fsync(arg1)); |
31e31b8a | 8959 | case TARGET_NR_clone: |
4ce6243d PM |
8960 | /* Linux manages to have three different orderings for its |
8961 | * arguments to clone(); the BACKWARDS and BACKWARDS2 defines | |
8962 | * match the kernel's CONFIG_CLONE_* settings. | |
8963 | * Microblaze is further special in that it uses a sixth | |
8964 | * implicit argument to clone for the TLS pointer. | |
8965 | */ | |
8966 | #if defined(TARGET_MICROBLAZE) | |
a5b3bdcb | 8967 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
4ce6243d PM |
8968 | #elif defined(TARGET_CLONE_BACKWARDS) |
8969 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); | |
8970 | #elif defined(TARGET_CLONE_BACKWARDS2) | |
a4c075f1 | 8971 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
0b6d3ae0 | 8972 | #else |
4ce6243d | 8973 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
0b6d3ae0 | 8974 | #endif |
72eb7ea8 | 8975 | return ret; |
ec86b0fb FB |
8976 | #ifdef __NR_exit_group |
8977 | /* new thread calls */ | |
8978 | case TARGET_NR_exit_group: | |
708b6a64 | 8979 | preexit_cleanup(cpu_env, arg1); |
72eb7ea8 | 8980 | return get_errno(exit_group(arg1)); |
ec86b0fb | 8981 | #endif |
31e31b8a | 8982 | case TARGET_NR_setdomainname: |
579a97f7 | 8983 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8984 | return -TARGET_EFAULT; |
53a5960a PB |
8985 | ret = get_errno(setdomainname(p, arg2)); |
8986 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8987 | return ret; |
31e31b8a FB |
8988 | case TARGET_NR_uname: |
8989 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
8990 | { |
8991 | struct new_utsname * buf; | |
3b46e624 | 8992 | |
579a97f7 | 8993 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
2852aafd | 8994 | return -TARGET_EFAULT; |
29e619b1 FB |
8995 | ret = get_errno(sys_uname(buf)); |
8996 | if (!is_error(ret)) { | |
332c9781 | 8997 | /* Overwrite the native machine name with whatever is being |
29e619b1 | 8998 | emulated. */ |
871f95c6 PMD |
8999 | g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env), |
9000 | sizeof(buf->machine)); | |
c5937220 | 9001 | /* Allow the user to override the reported release. */ |
332c9781 PM |
9002 | if (qemu_uname_release && *qemu_uname_release) { |
9003 | g_strlcpy(buf->release, qemu_uname_release, | |
9004 | sizeof(buf->release)); | |
9005 | } | |
29e619b1 | 9006 | } |
53a5960a | 9007 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 9008 | } |
72eb7ea8 | 9009 | return ret; |
6dbad63e | 9010 | #ifdef TARGET_I386 |
31e31b8a | 9011 | case TARGET_NR_modify_ldt: |
72eb7ea8 | 9012 | return do_modify_ldt(cpu_env, arg1, arg2, arg3); |
84409ddb | 9013 | #if !defined(TARGET_X86_64) |
5cd4393b | 9014 | case TARGET_NR_vm86: |
72eb7ea8 | 9015 | return do_vm86(cpu_env, arg1, arg2); |
84409ddb | 9016 | #endif |
6dbad63e | 9017 | #endif |
31e31b8a | 9018 | case TARGET_NR_adjtimex: |
19f59bce AM |
9019 | { |
9020 | struct timex host_buf; | |
9021 | ||
9022 | if (target_to_host_timex(&host_buf, arg1) != 0) { | |
2852aafd | 9023 | return -TARGET_EFAULT; |
19f59bce AM |
9024 | } |
9025 | ret = get_errno(adjtimex(&host_buf)); | |
9026 | if (!is_error(ret)) { | |
9027 | if (host_to_target_timex(arg1, &host_buf) != 0) { | |
2852aafd | 9028 | return -TARGET_EFAULT; |
19f59bce AM |
9029 | } |
9030 | } | |
9031 | } | |
72eb7ea8 | 9032 | return ret; |
38860a03 AM |
9033 | #if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME) |
9034 | case TARGET_NR_clock_adjtime: | |
9035 | { | |
9036 | struct timex htx, *phtx = &htx; | |
9037 | ||
9038 | if (target_to_host_timex(phtx, arg2) != 0) { | |
2852aafd | 9039 | return -TARGET_EFAULT; |
38860a03 AM |
9040 | } |
9041 | ret = get_errno(clock_adjtime(arg1, phtx)); | |
9042 | if (!is_error(ret) && phtx) { | |
9043 | if (host_to_target_timex(arg2, phtx) != 0) { | |
2852aafd | 9044 | return -TARGET_EFAULT; |
38860a03 AM |
9045 | } |
9046 | } | |
9047 | } | |
72eb7ea8 | 9048 | return ret; |
38860a03 | 9049 | #endif |
31e31b8a | 9050 | case TARGET_NR_getpgid: |
72eb7ea8 | 9051 | return get_errno(getpgid(arg1)); |
31e31b8a | 9052 | case TARGET_NR_fchdir: |
72eb7ea8 | 9053 | return get_errno(fchdir(arg1)); |
31e31b8a | 9054 | case TARGET_NR_personality: |
72eb7ea8 | 9055 | return get_errno(personality(arg1)); |
7a3148a9 | 9056 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
9057 | case TARGET_NR__llseek: |
9058 | { | |
0c1592d9 | 9059 | int64_t res; |
d35b261c | 9060 | #if !defined(__NR_llseek) |
9fea273c | 9061 | res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5); |
0c1592d9 PM |
9062 | if (res == -1) { |
9063 | ret = get_errno(res); | |
9064 | } else { | |
9065 | ret = 0; | |
9066 | } | |
4f2ac237 | 9067 | #else |
31e31b8a | 9068 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 9069 | #endif |
0c1592d9 | 9070 | if ((ret == 0) && put_user_s64(res, arg4)) { |
2852aafd | 9071 | return -TARGET_EFAULT; |
0c1592d9 | 9072 | } |
31e31b8a | 9073 | } |
72eb7ea8 | 9074 | return ret; |
7a3148a9 | 9075 | #endif |
704eff6c | 9076 | #ifdef TARGET_NR_getdents |
31e31b8a | 9077 | case TARGET_NR_getdents: |
2b3f64cb | 9078 | #ifdef EMULATE_GETDENTS_WITH_GETDENTS |
d83c8733 | 9079 | #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
4add45b4 | 9080 | { |
53a5960a | 9081 | struct target_dirent *target_dirp; |
6556a833 | 9082 | struct linux_dirent *dirp; |
992f48a0 | 9083 | abi_long count = arg3; |
4add45b4 | 9084 | |
0e173b24 HK |
9085 | dirp = g_try_malloc(count); |
9086 | if (!dirp) { | |
259841c1 | 9087 | return -TARGET_ENOMEM; |
0da46a6e | 9088 | } |
3b46e624 | 9089 | |
4add45b4 FB |
9090 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
9091 | if (!is_error(ret)) { | |
6556a833 | 9092 | struct linux_dirent *de; |
4add45b4 FB |
9093 | struct target_dirent *tde; |
9094 | int len = ret; | |
9095 | int reclen, treclen; | |
9096 | int count1, tnamelen; | |
9097 | ||
9098 | count1 = 0; | |
9099 | de = dirp; | |
579a97f7 | 9100 | if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 9101 | return -TARGET_EFAULT; |
4add45b4 FB |
9102 | tde = target_dirp; |
9103 | while (len > 0) { | |
9104 | reclen = de->d_reclen; | |
333858b7 DL |
9105 | tnamelen = reclen - offsetof(struct linux_dirent, d_name); |
9106 | assert(tnamelen >= 0); | |
9107 | treclen = tnamelen + offsetof(struct target_dirent, d_name); | |
9108 | assert(count1 + treclen <= count); | |
4add45b4 | 9109 | tde->d_reclen = tswap16(treclen); |
cbb21eed MB |
9110 | tde->d_ino = tswapal(de->d_ino); |
9111 | tde->d_off = tswapal(de->d_off); | |
333858b7 | 9112 | memcpy(tde->d_name, de->d_name, tnamelen); |
6556a833 | 9113 | de = (struct linux_dirent *)((char *)de + reclen); |
4add45b4 | 9114 | len -= reclen; |
1c5bf3bf | 9115 | tde = (struct target_dirent *)((char *)tde + treclen); |
4add45b4 FB |
9116 | count1 += treclen; |
9117 | } | |
9118 | ret = count1; | |
579a97f7 | 9119 | unlock_user(target_dirp, arg2, ret); |
4add45b4 | 9120 | } |
0e173b24 | 9121 | g_free(dirp); |
4add45b4 FB |
9122 | } |
9123 | #else | |
31e31b8a | 9124 | { |
6556a833 | 9125 | struct linux_dirent *dirp; |
992f48a0 | 9126 | abi_long count = arg3; |
dab2ed99 | 9127 | |
579a97f7 | 9128 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 9129 | return -TARGET_EFAULT; |
72f03900 | 9130 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
31e31b8a | 9131 | if (!is_error(ret)) { |
6556a833 | 9132 | struct linux_dirent *de; |
31e31b8a FB |
9133 | int len = ret; |
9134 | int reclen; | |
9135 | de = dirp; | |
9136 | while (len > 0) { | |
8083a3e5 | 9137 | reclen = de->d_reclen; |
31e31b8a FB |
9138 | if (reclen > len) |
9139 | break; | |
8083a3e5 | 9140 | de->d_reclen = tswap16(reclen); |
31e31b8a FB |
9141 | tswapls(&de->d_ino); |
9142 | tswapls(&de->d_off); | |
6556a833 | 9143 | de = (struct linux_dirent *)((char *)de + reclen); |
31e31b8a FB |
9144 | len -= reclen; |
9145 | } | |
9146 | } | |
53a5960a | 9147 | unlock_user(dirp, arg2, ret); |
3307e236 PM |
9148 | } |
9149 | #endif | |
9150 | #else | |
9151 | /* Implement getdents in terms of getdents64 */ | |
9152 | { | |
9153 | struct linux_dirent64 *dirp; | |
9154 | abi_long count = arg3; | |
9155 | ||
9156 | dirp = lock_user(VERIFY_WRITE, arg2, count, 0); | |
9157 | if (!dirp) { | |
2852aafd | 9158 | return -TARGET_EFAULT; |
3307e236 PM |
9159 | } |
9160 | ret = get_errno(sys_getdents64(arg1, dirp, count)); | |
9161 | if (!is_error(ret)) { | |
9162 | /* Convert the dirent64 structs to target dirent. We do this | |
9163 | * in-place, since we can guarantee that a target_dirent is no | |
9164 | * larger than a dirent64; however this means we have to be | |
9165 | * careful to read everything before writing in the new format. | |
9166 | */ | |
9167 | struct linux_dirent64 *de; | |
9168 | struct target_dirent *tde; | |
9169 | int len = ret; | |
9170 | int tlen = 0; | |
9171 | ||
9172 | de = dirp; | |
9173 | tde = (struct target_dirent *)dirp; | |
9174 | while (len > 0) { | |
9175 | int namelen, treclen; | |
9176 | int reclen = de->d_reclen; | |
9177 | uint64_t ino = de->d_ino; | |
9178 | int64_t off = de->d_off; | |
9179 | uint8_t type = de->d_type; | |
9180 | ||
9181 | namelen = strlen(de->d_name); | |
9182 | treclen = offsetof(struct target_dirent, d_name) | |
9183 | + namelen + 2; | |
9184 | treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long)); | |
9185 | ||
9186 | memmove(tde->d_name, de->d_name, namelen + 1); | |
9187 | tde->d_ino = tswapal(ino); | |
9188 | tde->d_off = tswapal(off); | |
9189 | tde->d_reclen = tswap16(treclen); | |
9190 | /* The target_dirent type is in what was formerly a padding | |
9191 | * byte at the end of the structure: | |
9192 | */ | |
9193 | *(((char *)tde) + treclen - 1) = type; | |
9194 | ||
9195 | de = (struct linux_dirent64 *)((char *)de + reclen); | |
9196 | tde = (struct target_dirent *)((char *)tde + treclen); | |
9197 | len -= reclen; | |
9198 | tlen += treclen; | |
9199 | } | |
9200 | ret = tlen; | |
9201 | } | |
9202 | unlock_user(dirp, arg2, ret); | |
31e31b8a | 9203 | } |
4add45b4 | 9204 | #endif |
72eb7ea8 | 9205 | return ret; |
704eff6c | 9206 | #endif /* TARGET_NR_getdents */ |
3ae43202 | 9207 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 FB |
9208 | case TARGET_NR_getdents64: |
9209 | { | |
6556a833 | 9210 | struct linux_dirent64 *dirp; |
992f48a0 | 9211 | abi_long count = arg3; |
579a97f7 | 9212 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 9213 | return -TARGET_EFAULT; |
dab2ed99 FB |
9214 | ret = get_errno(sys_getdents64(arg1, dirp, count)); |
9215 | if (!is_error(ret)) { | |
6556a833 | 9216 | struct linux_dirent64 *de; |
dab2ed99 FB |
9217 | int len = ret; |
9218 | int reclen; | |
9219 | de = dirp; | |
9220 | while (len > 0) { | |
8083a3e5 | 9221 | reclen = de->d_reclen; |
dab2ed99 FB |
9222 | if (reclen > len) |
9223 | break; | |
8083a3e5 | 9224 | de->d_reclen = tswap16(reclen); |
8582a53a FB |
9225 | tswap64s((uint64_t *)&de->d_ino); |
9226 | tswap64s((uint64_t *)&de->d_off); | |
6556a833 | 9227 | de = (struct linux_dirent64 *)((char *)de + reclen); |
dab2ed99 FB |
9228 | len -= reclen; |
9229 | } | |
9230 | } | |
53a5960a | 9231 | unlock_user(dirp, arg2, ret); |
dab2ed99 | 9232 | } |
72eb7ea8 | 9233 | return ret; |
a541f297 | 9234 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 9235 | #if defined(TARGET_NR__newselect) |
31e31b8a | 9236 | case TARGET_NR__newselect: |
72eb7ea8 | 9237 | return do_select(arg1, arg2, arg3, arg4, arg5); |
e5febef5 | 9238 | #endif |
d8035d4c MF |
9239 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) |
9240 | # ifdef TARGET_NR_poll | |
9de5e440 | 9241 | case TARGET_NR_poll: |
d8035d4c MF |
9242 | # endif |
9243 | # ifdef TARGET_NR_ppoll | |
9244 | case TARGET_NR_ppoll: | |
9245 | # endif | |
9de5e440 | 9246 | { |
53a5960a | 9247 | struct target_pollfd *target_pfd; |
9de5e440 | 9248 | unsigned int nfds = arg2; |
9de5e440 | 9249 | struct pollfd *pfd; |
7854b056 | 9250 | unsigned int i; |
9de5e440 | 9251 | |
3e24bb3f LV |
9252 | pfd = NULL; |
9253 | target_pfd = NULL; | |
9254 | if (nfds) { | |
ce9c139d | 9255 | if (nfds > (INT_MAX / sizeof(struct target_pollfd))) { |
72eb7ea8 | 9256 | return -TARGET_EINVAL; |
ce9c139d PM |
9257 | } |
9258 | ||
3e24bb3f LV |
9259 | target_pfd = lock_user(VERIFY_WRITE, arg1, |
9260 | sizeof(struct target_pollfd) * nfds, 1); | |
9261 | if (!target_pfd) { | |
2852aafd | 9262 | return -TARGET_EFAULT; |
3e24bb3f | 9263 | } |
d8035d4c | 9264 | |
3e24bb3f LV |
9265 | pfd = alloca(sizeof(struct pollfd) * nfds); |
9266 | for (i = 0; i < nfds; i++) { | |
9267 | pfd[i].fd = tswap32(target_pfd[i].fd); | |
9268 | pfd[i].events = tswap16(target_pfd[i].events); | |
9269 | } | |
9de5e440 | 9270 | } |
d8035d4c | 9271 | |
a6130237 | 9272 | switch (num) { |
d8035d4c | 9273 | # ifdef TARGET_NR_ppoll |
a6130237 PM |
9274 | case TARGET_NR_ppoll: |
9275 | { | |
d8035d4c MF |
9276 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; |
9277 | target_sigset_t *target_set; | |
9278 | sigset_t _set, *set = &_set; | |
9279 | ||
9280 | if (arg3) { | |
9281 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
9282 | unlock_user(target_pfd, arg1, 0); | |
2852aafd | 9283 | return -TARGET_EFAULT; |
d8035d4c MF |
9284 | } |
9285 | } else { | |
9286 | timeout_ts = NULL; | |
9287 | } | |
9288 | ||
9289 | if (arg4) { | |
c815701e PM |
9290 | if (arg5 != sizeof(target_sigset_t)) { |
9291 | unlock_user(target_pfd, arg1, 0); | |
72eb7ea8 | 9292 | return -TARGET_EINVAL; |
c815701e PM |
9293 | } |
9294 | ||
d8035d4c MF |
9295 | target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); |
9296 | if (!target_set) { | |
9297 | unlock_user(target_pfd, arg1, 0); | |
2852aafd | 9298 | return -TARGET_EFAULT; |
d8035d4c MF |
9299 | } |
9300 | target_to_host_sigset(set, target_set); | |
9301 | } else { | |
9302 | set = NULL; | |
9303 | } | |
9304 | ||
a6130237 PM |
9305 | ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts, |
9306 | set, SIGSET_T_SIZE)); | |
d8035d4c MF |
9307 | |
9308 | if (!is_error(ret) && arg3) { | |
9309 | host_to_target_timespec(arg3, timeout_ts); | |
9310 | } | |
9311 | if (arg4) { | |
9312 | unlock_user(target_set, arg4, 0); | |
9313 | } | |
a6130237 PM |
9314 | break; |
9315 | } | |
d8035d4c | 9316 | # endif |
a6130237 PM |
9317 | # ifdef TARGET_NR_poll |
9318 | case TARGET_NR_poll: | |
9319 | { | |
9320 | struct timespec ts, *pts; | |
9321 | ||
9322 | if (arg3 >= 0) { | |
9323 | /* Convert ms to secs, ns */ | |
9324 | ts.tv_sec = arg3 / 1000; | |
9325 | ts.tv_nsec = (arg3 % 1000) * 1000000LL; | |
9326 | pts = &ts; | |
9327 | } else { | |
9328 | /* -ve poll() timeout means "infinite" */ | |
9329 | pts = NULL; | |
9330 | } | |
9331 | ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0)); | |
9332 | break; | |
9333 | } | |
d8035d4c | 9334 | # endif |
a6130237 PM |
9335 | default: |
9336 | g_assert_not_reached(); | |
9337 | } | |
d8035d4c | 9338 | |
9de5e440 FB |
9339 | if (!is_error(ret)) { |
9340 | for(i = 0; i < nfds; i++) { | |
5cd4393b | 9341 | target_pfd[i].revents = tswap16(pfd[i].revents); |
9de5e440 FB |
9342 | } |
9343 | } | |
30cb4cde | 9344 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); |
9de5e440 | 9345 | } |
72eb7ea8 | 9346 | return ret; |
e5febef5 | 9347 | #endif |
31e31b8a | 9348 | case TARGET_NR_flock: |
9de5e440 FB |
9349 | /* NOTE: the flock constant seems to be the same for every |
9350 | Linux platform */ | |
72eb7ea8 | 9351 | return get_errno(safe_flock(arg1, arg2)); |
31e31b8a FB |
9352 | case TARGET_NR_readv: |
9353 | { | |
f287b2c2 RH |
9354 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
9355 | if (vec != NULL) { | |
918c03ed | 9356 | ret = get_errno(safe_readv(arg1, vec, arg3)); |
f287b2c2 RH |
9357 | unlock_iovec(vec, arg2, arg3, 1); |
9358 | } else { | |
9359 | ret = -host_to_target_errno(errno); | |
9360 | } | |
31e31b8a | 9361 | } |
72eb7ea8 | 9362 | return ret; |
31e31b8a FB |
9363 | case TARGET_NR_writev: |
9364 | { | |
f287b2c2 RH |
9365 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
9366 | if (vec != NULL) { | |
918c03ed | 9367 | ret = get_errno(safe_writev(arg1, vec, arg3)); |
f287b2c2 RH |
9368 | unlock_iovec(vec, arg2, arg3, 0); |
9369 | } else { | |
9370 | ret = -host_to_target_errno(errno); | |
9371 | } | |
31e31b8a | 9372 | } |
72eb7ea8 | 9373 | return ret; |
0f26386c DJ |
9374 | #if defined(TARGET_NR_preadv) |
9375 | case TARGET_NR_preadv: | |
9376 | { | |
9377 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); | |
9378 | if (vec != NULL) { | |
9ac22517 MF |
9379 | unsigned long low, high; |
9380 | ||
9381 | target_to_host_low_high(arg4, arg5, &low, &high); | |
9382 | ret = get_errno(safe_preadv(arg1, vec, arg3, low, high)); | |
0f26386c DJ |
9383 | unlock_iovec(vec, arg2, arg3, 1); |
9384 | } else { | |
9385 | ret = -host_to_target_errno(errno); | |
f8d00fba DJ |
9386 | } |
9387 | } | |
72eb7ea8 | 9388 | return ret; |
f8d00fba DJ |
9389 | #endif |
9390 | #if defined(TARGET_NR_pwritev) | |
9391 | case TARGET_NR_pwritev: | |
9392 | { | |
9393 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); | |
9394 | if (vec != NULL) { | |
9ac22517 MF |
9395 | unsigned long low, high; |
9396 | ||
9397 | target_to_host_low_high(arg4, arg5, &low, &high); | |
9398 | ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high)); | |
f8d00fba DJ |
9399 | unlock_iovec(vec, arg2, arg3, 0); |
9400 | } else { | |
9401 | ret = -host_to_target_errno(errno); | |
0f26386c DJ |
9402 | } |
9403 | } | |
72eb7ea8 | 9404 | return ret; |
0f26386c | 9405 | #endif |
31e31b8a | 9406 | case TARGET_NR_getsid: |
72eb7ea8 | 9407 | return get_errno(getsid(arg1)); |
7a3148a9 | 9408 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 9409 | case TARGET_NR_fdatasync: |
72eb7ea8 | 9410 | return get_errno(fdatasync(arg1)); |
7a3148a9 | 9411 | #endif |
704eff6c | 9412 | #ifdef TARGET_NR__sysctl |
31e31b8a | 9413 | case TARGET_NR__sysctl: |
0da46a6e | 9414 | /* We don't implement this, but ENOTDIR is always a safe |
29e619b1 | 9415 | return value. */ |
72eb7ea8 | 9416 | return -TARGET_ENOTDIR; |
704eff6c | 9417 | #endif |
737de1d1 MF |
9418 | case TARGET_NR_sched_getaffinity: |
9419 | { | |
9420 | unsigned int mask_size; | |
9421 | unsigned long *mask; | |
9422 | ||
9423 | /* | |
9424 | * sched_getaffinity needs multiples of ulong, so need to take | |
9425 | * care of mismatches between target ulong and host ulong sizes. | |
9426 | */ | |
9427 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 9428 | return -TARGET_EINVAL; |
737de1d1 MF |
9429 | } |
9430 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
9431 | ||
9432 | mask = alloca(mask_size); | |
2e0a8713 | 9433 | memset(mask, 0, mask_size); |
737de1d1 MF |
9434 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); |
9435 | ||
9436 | if (!is_error(ret)) { | |
be3bd286 PM |
9437 | if (ret > arg2) { |
9438 | /* More data returned than the caller's buffer will fit. | |
9439 | * This only happens if sizeof(abi_long) < sizeof(long) | |
9440 | * and the caller passed us a buffer holding an odd number | |
9441 | * of abi_longs. If the host kernel is actually using the | |
9442 | * extra 4 bytes then fail EINVAL; otherwise we can just | |
9443 | * ignore them and only copy the interesting part. | |
9444 | */ | |
9445 | int numcpus = sysconf(_SC_NPROCESSORS_CONF); | |
9446 | if (numcpus > arg2 * 8) { | |
72eb7ea8 | 9447 | return -TARGET_EINVAL; |
be3bd286 PM |
9448 | } |
9449 | ret = arg2; | |
9450 | } | |
9451 | ||
5fdefcf8 | 9452 | if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) { |
2852aafd | 9453 | return -TARGET_EFAULT; |
5fdefcf8 | 9454 | } |
737de1d1 MF |
9455 | } |
9456 | } | |
72eb7ea8 | 9457 | return ret; |
737de1d1 MF |
9458 | case TARGET_NR_sched_setaffinity: |
9459 | { | |
9460 | unsigned int mask_size; | |
9461 | unsigned long *mask; | |
9462 | ||
9463 | /* | |
9464 | * sched_setaffinity needs multiples of ulong, so need to take | |
9465 | * care of mismatches between target ulong and host ulong sizes. | |
9466 | */ | |
9467 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 9468 | return -TARGET_EINVAL; |
737de1d1 MF |
9469 | } |
9470 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
737de1d1 | 9471 | mask = alloca(mask_size); |
2e0a8713 ST |
9472 | |
9473 | ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2); | |
9474 | if (ret) { | |
72eb7ea8 | 9475 | return ret; |
737de1d1 | 9476 | } |
737de1d1 | 9477 | |
72eb7ea8 | 9478 | return get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); |
737de1d1 | 9479 | } |
b827c3ed ST |
9480 | case TARGET_NR_getcpu: |
9481 | { | |
9482 | unsigned cpu, node; | |
9483 | ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL, | |
9484 | arg2 ? &node : NULL, | |
9485 | NULL)); | |
9486 | if (is_error(ret)) { | |
259841c1 | 9487 | return ret; |
b827c3ed ST |
9488 | } |
9489 | if (arg1 && put_user_u32(cpu, arg1)) { | |
2852aafd | 9490 | return -TARGET_EFAULT; |
b827c3ed ST |
9491 | } |
9492 | if (arg2 && put_user_u32(node, arg2)) { | |
2852aafd | 9493 | return -TARGET_EFAULT; |
b827c3ed ST |
9494 | } |
9495 | } | |
72eb7ea8 | 9496 | return ret; |
31e31b8a | 9497 | case TARGET_NR_sched_setparam: |
5cd4393b | 9498 | { |
53a5960a | 9499 | struct sched_param *target_schp; |
5cd4393b | 9500 | struct sched_param schp; |
53a5960a | 9501 | |
a1d5c5b2 TM |
9502 | if (arg2 == 0) { |
9503 | return -TARGET_EINVAL; | |
9504 | } | |
579a97f7 | 9505 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
2852aafd | 9506 | return -TARGET_EFAULT; |
5cd4393b | 9507 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 9508 | unlock_user_struct(target_schp, arg2, 0); |
72eb7ea8 | 9509 | return get_errno(sched_setparam(arg1, &schp)); |
5cd4393b | 9510 | } |
31e31b8a | 9511 | case TARGET_NR_sched_getparam: |
5cd4393b | 9512 | { |
53a5960a | 9513 | struct sched_param *target_schp; |
5cd4393b | 9514 | struct sched_param schp; |
a1d5c5b2 TM |
9515 | |
9516 | if (arg2 == 0) { | |
9517 | return -TARGET_EINVAL; | |
9518 | } | |
5cd4393b FB |
9519 | ret = get_errno(sched_getparam(arg1, &schp)); |
9520 | if (!is_error(ret)) { | |
579a97f7 | 9521 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
2852aafd | 9522 | return -TARGET_EFAULT; |
5cd4393b | 9523 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 9524 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
9525 | } |
9526 | } | |
72eb7ea8 | 9527 | return ret; |
31e31b8a | 9528 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 9529 | { |
53a5960a | 9530 | struct sched_param *target_schp; |
5cd4393b | 9531 | struct sched_param schp; |
a1d5c5b2 TM |
9532 | if (arg3 == 0) { |
9533 | return -TARGET_EINVAL; | |
9534 | } | |
579a97f7 | 9535 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
2852aafd | 9536 | return -TARGET_EFAULT; |
5cd4393b | 9537 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 9538 | unlock_user_struct(target_schp, arg3, 0); |
72eb7ea8 | 9539 | return get_errno(sched_setscheduler(arg1, arg2, &schp)); |
5cd4393b | 9540 | } |
31e31b8a | 9541 | case TARGET_NR_sched_getscheduler: |
72eb7ea8 | 9542 | return get_errno(sched_getscheduler(arg1)); |
31e31b8a | 9543 | case TARGET_NR_sched_yield: |
72eb7ea8 | 9544 | return get_errno(sched_yield()); |
31e31b8a | 9545 | case TARGET_NR_sched_get_priority_max: |
72eb7ea8 | 9546 | return get_errno(sched_get_priority_max(arg1)); |
31e31b8a | 9547 | case TARGET_NR_sched_get_priority_min: |
72eb7ea8 | 9548 | return get_errno(sched_get_priority_min(arg1)); |
31e31b8a | 9549 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 9550 | { |
5cd4393b FB |
9551 | struct timespec ts; |
9552 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
9553 | if (!is_error(ret)) { | |
d4290c40 | 9554 | ret = host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
9555 | } |
9556 | } | |
72eb7ea8 | 9557 | return ret; |
31e31b8a | 9558 | case TARGET_NR_nanosleep: |
1b6b029e | 9559 | { |
1b6b029e | 9560 | struct timespec req, rem; |
53a5960a | 9561 | target_to_host_timespec(&req, arg1); |
9e518226 | 9562 | ret = get_errno(safe_nanosleep(&req, &rem)); |
53a5960a PB |
9563 | if (is_error(ret) && arg2) { |
9564 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
9565 | } |
9566 | } | |
72eb7ea8 | 9567 | return ret; |
31e31b8a | 9568 | case TARGET_NR_prctl: |
1e6722f8 PM |
9569 | switch (arg1) { |
9570 | case PR_GET_PDEATHSIG: | |
9571 | { | |
9572 | int deathsig; | |
9573 | ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); | |
9574 | if (!is_error(ret) && arg2 | |
9575 | && put_user_ual(deathsig, arg2)) { | |
2852aafd | 9576 | return -TARGET_EFAULT; |
e5574487 | 9577 | } |
72eb7ea8 | 9578 | return ret; |
1e6722f8 | 9579 | } |
db9526b1 PM |
9580 | #ifdef PR_GET_NAME |
9581 | case PR_GET_NAME: | |
9582 | { | |
9583 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
9584 | if (!name) { | |
2852aafd | 9585 | return -TARGET_EFAULT; |
db9526b1 PM |
9586 | } |
9587 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
9588 | arg3, arg4, arg5)); | |
9589 | unlock_user(name, arg2, 16); | |
72eb7ea8 | 9590 | return ret; |
db9526b1 PM |
9591 | } |
9592 | case PR_SET_NAME: | |
9593 | { | |
9594 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
9595 | if (!name) { | |
2852aafd | 9596 | return -TARGET_EFAULT; |
db9526b1 PM |
9597 | } |
9598 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
9599 | arg3, arg4, arg5)); | |
9600 | unlock_user(name, arg2, 0); | |
72eb7ea8 | 9601 | return ret; |
db9526b1 PM |
9602 | } |
9603 | #endif | |
5b702ffd SM |
9604 | #ifdef TARGET_MIPS |
9605 | case TARGET_PR_GET_FP_MODE: | |
64ea3d67 SM |
9606 | { |
9607 | CPUMIPSState *env = ((CPUMIPSState *)cpu_env); | |
9608 | ret = 0; | |
9609 | if (env->CP0_Status & (1 << CP0St_FR)) { | |
9610 | ret |= TARGET_PR_FP_MODE_FR; | |
9611 | } | |
9612 | if (env->CP0_Config5 & (1 << CP0C5_FRE)) { | |
9613 | ret |= TARGET_PR_FP_MODE_FRE; | |
9614 | } | |
9615 | return ret; | |
9616 | } | |
5b702ffd | 9617 | case TARGET_PR_SET_FP_MODE: |
64ea3d67 SM |
9618 | { |
9619 | CPUMIPSState *env = ((CPUMIPSState *)cpu_env); | |
9620 | bool old_fr = env->CP0_Status & (1 << CP0St_FR); | |
6456c510 | 9621 | bool old_fre = env->CP0_Config5 & (1 << CP0C5_FRE); |
64ea3d67 SM |
9622 | bool new_fr = arg2 & TARGET_PR_FP_MODE_FR; |
9623 | bool new_fre = arg2 & TARGET_PR_FP_MODE_FRE; | |
9624 | ||
6456c510 SM |
9625 | const unsigned int known_bits = TARGET_PR_FP_MODE_FR | |
9626 | TARGET_PR_FP_MODE_FRE; | |
9627 | ||
9628 | /* If nothing to change, return right away, successfully. */ | |
9629 | if (old_fr == new_fr && old_fre == new_fre) { | |
9630 | return 0; | |
9631 | } | |
9632 | /* Check the value is valid */ | |
9633 | if (arg2 & ~known_bits) { | |
9634 | return -TARGET_EOPNOTSUPP; | |
9635 | } | |
9636 | /* Setting FRE without FR is not supported. */ | |
9637 | if (new_fre && !new_fr) { | |
9638 | return -TARGET_EOPNOTSUPP; | |
9639 | } | |
64ea3d67 SM |
9640 | if (new_fr && !(env->active_fpu.fcr0 & (1 << FCR0_F64))) { |
9641 | /* FR1 is not supported */ | |
9642 | return -TARGET_EOPNOTSUPP; | |
9643 | } | |
9644 | if (!new_fr && (env->active_fpu.fcr0 & (1 << FCR0_F64)) | |
9645 | && !(env->CP0_Status_rw_bitmask & (1 << CP0St_FR))) { | |
9646 | /* cannot set FR=0 */ | |
9647 | return -TARGET_EOPNOTSUPP; | |
9648 | } | |
9649 | if (new_fre && !(env->active_fpu.fcr0 & (1 << FCR0_FREP))) { | |
9650 | /* Cannot set FRE=1 */ | |
9651 | return -TARGET_EOPNOTSUPP; | |
9652 | } | |
9653 | ||
9654 | int i; | |
9655 | fpr_t *fpr = env->active_fpu.fpr; | |
9656 | for (i = 0; i < 32 ; i += 2) { | |
9657 | if (!old_fr && new_fr) { | |
9658 | fpr[i].w[!FP_ENDIAN_IDX] = fpr[i + 1].w[FP_ENDIAN_IDX]; | |
9659 | } else if (old_fr && !new_fr) { | |
9660 | fpr[i + 1].w[FP_ENDIAN_IDX] = fpr[i].w[!FP_ENDIAN_IDX]; | |
9661 | } | |
9662 | } | |
9663 | ||
9664 | if (new_fr) { | |
9665 | env->CP0_Status |= (1 << CP0St_FR); | |
9666 | env->hflags |= MIPS_HFLAG_F64; | |
9667 | } else { | |
9668 | env->CP0_Status &= ~(1 << CP0St_FR); | |
6456c510 | 9669 | env->hflags &= ~MIPS_HFLAG_F64; |
64ea3d67 SM |
9670 | } |
9671 | if (new_fre) { | |
9672 | env->CP0_Config5 |= (1 << CP0C5_FRE); | |
9673 | if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) { | |
9674 | env->hflags |= MIPS_HFLAG_FRE; | |
9675 | } | |
9676 | } else { | |
9677 | env->CP0_Config5 &= ~(1 << CP0C5_FRE); | |
6456c510 | 9678 | env->hflags &= ~MIPS_HFLAG_FRE; |
64ea3d67 SM |
9679 | } |
9680 | ||
9681 | return 0; | |
9682 | } | |
5b702ffd | 9683 | #endif /* MIPS */ |
85fc7167 RH |
9684 | #ifdef TARGET_AARCH64 |
9685 | case TARGET_PR_SVE_SET_VL: | |
adf92eab RH |
9686 | /* |
9687 | * We cannot support either PR_SVE_SET_VL_ONEXEC or | |
9688 | * PR_SVE_VL_INHERIT. Note the kernel definition | |
9689 | * of sve_vl_valid allows for VQ=512, i.e. VL=8192, | |
9690 | * even though the current architectural maximum is VQ=16. | |
9691 | */ | |
85fc7167 | 9692 | ret = -TARGET_EINVAL; |
cd208a1c | 9693 | if (cpu_isar_feature(aa64_sve, arm_env_get_cpu(cpu_env)) |
adf92eab | 9694 | && arg2 >= 0 && arg2 <= 512 * 16 && !(arg2 & 15)) { |
85fc7167 | 9695 | CPUARMState *env = cpu_env; |
adf92eab RH |
9696 | ARMCPU *cpu = arm_env_get_cpu(env); |
9697 | uint32_t vq, old_vq; | |
9698 | ||
9699 | old_vq = (env->vfp.zcr_el[1] & 0xf) + 1; | |
9700 | vq = MAX(arg2 / 16, 1); | |
9701 | vq = MIN(vq, cpu->sve_max_vq); | |
85fc7167 RH |
9702 | |
9703 | if (vq < old_vq) { | |
9704 | aarch64_sve_narrow_vq(env, vq); | |
9705 | } | |
9706 | env->vfp.zcr_el[1] = vq - 1; | |
9707 | ret = vq * 16; | |
9708 | } | |
72eb7ea8 | 9709 | return ret; |
85fc7167 RH |
9710 | case TARGET_PR_SVE_GET_VL: |
9711 | ret = -TARGET_EINVAL; | |
cd208a1c RH |
9712 | { |
9713 | ARMCPU *cpu = arm_env_get_cpu(cpu_env); | |
9714 | if (cpu_isar_feature(aa64_sve, cpu)) { | |
9715 | ret = ((cpu->env.vfp.zcr_el[1] & 0xf) + 1) * 16; | |
9716 | } | |
85fc7167 | 9717 | } |
72eb7ea8 | 9718 | return ret; |
bff63fbf RH |
9719 | case TARGET_PR_PAC_RESET_KEYS: |
9720 | { | |
9721 | CPUARMState *env = cpu_env; | |
9722 | ARMCPU *cpu = arm_env_get_cpu(env); | |
9723 | ||
9724 | if (arg3 || arg4 || arg5) { | |
9725 | return -TARGET_EINVAL; | |
9726 | } | |
9727 | if (cpu_isar_feature(aa64_pauth, cpu)) { | |
9728 | int all = (TARGET_PR_PAC_APIAKEY | TARGET_PR_PAC_APIBKEY | | |
9729 | TARGET_PR_PAC_APDAKEY | TARGET_PR_PAC_APDBKEY | | |
9730 | TARGET_PR_PAC_APGAKEY); | |
9731 | if (arg2 == 0) { | |
9732 | arg2 = all; | |
9733 | } else if (arg2 & ~all) { | |
9734 | return -TARGET_EINVAL; | |
9735 | } | |
9736 | if (arg2 & TARGET_PR_PAC_APIAKEY) { | |
9737 | arm_init_pauth_key(&env->apia_key); | |
9738 | } | |
9739 | if (arg2 & TARGET_PR_PAC_APIBKEY) { | |
9740 | arm_init_pauth_key(&env->apib_key); | |
9741 | } | |
9742 | if (arg2 & TARGET_PR_PAC_APDAKEY) { | |
9743 | arm_init_pauth_key(&env->apda_key); | |
9744 | } | |
9745 | if (arg2 & TARGET_PR_PAC_APDBKEY) { | |
9746 | arm_init_pauth_key(&env->apdb_key); | |
9747 | } | |
9748 | if (arg2 & TARGET_PR_PAC_APGAKEY) { | |
9749 | arm_init_pauth_key(&env->apga_key); | |
9750 | } | |
9751 | return 0; | |
9752 | } | |
9753 | } | |
9754 | return -TARGET_EINVAL; | |
85fc7167 | 9755 | #endif /* AARCH64 */ |
a8b154a6 JC |
9756 | case PR_GET_SECCOMP: |
9757 | case PR_SET_SECCOMP: | |
9758 | /* Disable seccomp to prevent the target disabling syscalls we | |
9759 | * need. */ | |
72eb7ea8 | 9760 | return -TARGET_EINVAL; |
1e6722f8 PM |
9761 | default: |
9762 | /* Most prctl options have no pointer arguments */ | |
72eb7ea8 | 9763 | return get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); |
1e6722f8 | 9764 | } |
39b9aae1 | 9765 | break; |
d2fd1af7 FB |
9766 | #ifdef TARGET_NR_arch_prctl |
9767 | case TARGET_NR_arch_prctl: | |
9768 | #if defined(TARGET_I386) && !defined(TARGET_ABI32) | |
72eb7ea8 | 9769 | return do_arch_prctl(cpu_env, arg1, arg2); |
d2fd1af7 | 9770 | #else |
1a7b2b13 | 9771 | #error unreachable |
d2fd1af7 FB |
9772 | #endif |
9773 | #endif | |
f2c7ba15 AJ |
9774 | #ifdef TARGET_NR_pread64 |
9775 | case TARGET_NR_pread64: | |
8bf8e9df | 9776 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
9777 | arg4 = arg5; |
9778 | arg5 = arg6; | |
9779 | } | |
2bd3f899 PM |
9780 | if (arg2 == 0 && arg3 == 0) { |
9781 | /* Special-case NULL buffer and zero length, which should succeed */ | |
9782 | p = 0; | |
9783 | } else { | |
9784 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
9785 | if (!p) { | |
9786 | return -TARGET_EFAULT; | |
9787 | } | |
9788 | } | |
f2c7ba15 AJ |
9789 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); |
9790 | unlock_user(p, arg2, ret); | |
72eb7ea8 | 9791 | return ret; |
f2c7ba15 | 9792 | case TARGET_NR_pwrite64: |
8bf8e9df | 9793 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
9794 | arg4 = arg5; |
9795 | arg5 = arg6; | |
9796 | } | |
2bd3f899 PM |
9797 | if (arg2 == 0 && arg3 == 0) { |
9798 | /* Special-case NULL buffer and zero length, which should succeed */ | |
9799 | p = 0; | |
9800 | } else { | |
9801 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
9802 | if (!p) { | |
9803 | return -TARGET_EFAULT; | |
9804 | } | |
9805 | } | |
f2c7ba15 AJ |
9806 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); |
9807 | unlock_user(p, arg2, 0); | |
72eb7ea8 | 9808 | return ret; |
67867308 | 9809 | #endif |
31e31b8a | 9810 | case TARGET_NR_getcwd: |
579a97f7 | 9811 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
2852aafd | 9812 | return -TARGET_EFAULT; |
53a5960a PB |
9813 | ret = get_errno(sys_getcwd1(p, arg2)); |
9814 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 9815 | return ret; |
31e31b8a FB |
9816 | case TARGET_NR_capget: |
9817 | case TARGET_NR_capset: | |
e0eb210e PM |
9818 | { |
9819 | struct target_user_cap_header *target_header; | |
9820 | struct target_user_cap_data *target_data = NULL; | |
9821 | struct __user_cap_header_struct header; | |
9822 | struct __user_cap_data_struct data[2]; | |
9823 | struct __user_cap_data_struct *dataptr = NULL; | |
9824 | int i, target_datalen; | |
9825 | int data_items = 1; | |
9826 | ||
9827 | if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { | |
2852aafd | 9828 | return -TARGET_EFAULT; |
e0eb210e PM |
9829 | } |
9830 | header.version = tswap32(target_header->version); | |
9831 | header.pid = tswap32(target_header->pid); | |
9832 | ||
ec864874 | 9833 | if (header.version != _LINUX_CAPABILITY_VERSION) { |
e0eb210e PM |
9834 | /* Version 2 and up takes pointer to two user_data structs */ |
9835 | data_items = 2; | |
9836 | } | |
9837 | ||
9838 | target_datalen = sizeof(*target_data) * data_items; | |
9839 | ||
9840 | if (arg2) { | |
9841 | if (num == TARGET_NR_capget) { | |
9842 | target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0); | |
9843 | } else { | |
9844 | target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1); | |
9845 | } | |
9846 | if (!target_data) { | |
9847 | unlock_user_struct(target_header, arg1, 0); | |
2852aafd | 9848 | return -TARGET_EFAULT; |
e0eb210e PM |
9849 | } |
9850 | ||
9851 | if (num == TARGET_NR_capset) { | |
9852 | for (i = 0; i < data_items; i++) { | |
9853 | data[i].effective = tswap32(target_data[i].effective); | |
9854 | data[i].permitted = tswap32(target_data[i].permitted); | |
9855 | data[i].inheritable = tswap32(target_data[i].inheritable); | |
9856 | } | |
9857 | } | |
9858 | ||
9859 | dataptr = data; | |
9860 | } | |
9861 | ||
9862 | if (num == TARGET_NR_capget) { | |
9863 | ret = get_errno(capget(&header, dataptr)); | |
9864 | } else { | |
9865 | ret = get_errno(capset(&header, dataptr)); | |
9866 | } | |
9867 | ||
9868 | /* The kernel always updates version for both capget and capset */ | |
9869 | target_header->version = tswap32(header.version); | |
9870 | unlock_user_struct(target_header, arg1, 1); | |
9871 | ||
9872 | if (arg2) { | |
9873 | if (num == TARGET_NR_capget) { | |
9874 | for (i = 0; i < data_items; i++) { | |
9875 | target_data[i].effective = tswap32(data[i].effective); | |
9876 | target_data[i].permitted = tswap32(data[i].permitted); | |
9877 | target_data[i].inheritable = tswap32(data[i].inheritable); | |
9878 | } | |
9879 | unlock_user(target_data, arg2, target_datalen); | |
9880 | } else { | |
9881 | unlock_user(target_data, arg2, 0); | |
9882 | } | |
9883 | } | |
72eb7ea8 | 9884 | return ret; |
e0eb210e | 9885 | } |
31e31b8a | 9886 | case TARGET_NR_sigaltstack: |
72eb7ea8 RH |
9887 | return do_sigaltstack(arg1, arg2, |
9888 | get_sp_from_cpustate((CPUArchState *)cpu_env)); | |
a8fd1aba PM |
9889 | |
9890 | #ifdef CONFIG_SENDFILE | |
4f7f8924 | 9891 | #ifdef TARGET_NR_sendfile |
a8fd1aba PM |
9892 | case TARGET_NR_sendfile: |
9893 | { | |
9894 | off_t *offp = NULL; | |
9895 | off_t off; | |
9896 | if (arg3) { | |
9897 | ret = get_user_sal(off, arg3); | |
9898 | if (is_error(ret)) { | |
72eb7ea8 | 9899 | return ret; |
a8fd1aba PM |
9900 | } |
9901 | offp = &off; | |
9902 | } | |
9903 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
9904 | if (!is_error(ret) && arg3) { | |
9905 | abi_long ret2 = put_user_sal(off, arg3); | |
9906 | if (is_error(ret2)) { | |
9907 | ret = ret2; | |
9908 | } | |
9909 | } | |
72eb7ea8 | 9910 | return ret; |
a8fd1aba | 9911 | } |
4f7f8924 | 9912 | #endif |
a8fd1aba PM |
9913 | #ifdef TARGET_NR_sendfile64 |
9914 | case TARGET_NR_sendfile64: | |
9915 | { | |
9916 | off_t *offp = NULL; | |
9917 | off_t off; | |
9918 | if (arg3) { | |
9919 | ret = get_user_s64(off, arg3); | |
9920 | if (is_error(ret)) { | |
72eb7ea8 | 9921 | return ret; |
a8fd1aba PM |
9922 | } |
9923 | offp = &off; | |
9924 | } | |
9925 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
9926 | if (!is_error(ret) && arg3) { | |
9927 | abi_long ret2 = put_user_s64(off, arg3); | |
9928 | if (is_error(ret2)) { | |
9929 | ret = ret2; | |
9930 | } | |
9931 | } | |
72eb7ea8 | 9932 | return ret; |
a8fd1aba PM |
9933 | } |
9934 | #endif | |
ebc05488 | 9935 | #endif |
048f6b4d | 9936 | #ifdef TARGET_NR_vfork |
31e31b8a | 9937 | case TARGET_NR_vfork: |
72eb7ea8 RH |
9938 | return get_errno(do_fork(cpu_env, |
9939 | CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD, | |
9940 | 0, 0, 0, 0)); | |
048f6b4d | 9941 | #endif |
ebc05488 | 9942 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 9943 | case TARGET_NR_ugetrlimit: |
728584be FB |
9944 | { |
9945 | struct rlimit rlim; | |
e22b7015 WT |
9946 | int resource = target_to_host_resource(arg1); |
9947 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 9948 | if (!is_error(ret)) { |
53a5960a | 9949 | struct target_rlimit *target_rlim; |
579a97f7 | 9950 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 9951 | return -TARGET_EFAULT; |
81bbe906 TY |
9952 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
9953 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 9954 | unlock_user_struct(target_rlim, arg2, 1); |
728584be | 9955 | } |
72eb7ea8 | 9956 | return ret; |
728584be | 9957 | } |
ebc05488 | 9958 | #endif |
a315a145 | 9959 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 9960 | case TARGET_NR_truncate64: |
579a97f7 | 9961 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9962 | return -TARGET_EFAULT; |
53a5960a PB |
9963 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
9964 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9965 | return ret; |
a315a145 FB |
9966 | #endif |
9967 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 9968 | case TARGET_NR_ftruncate64: |
72eb7ea8 | 9969 | return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
a315a145 FB |
9970 | #endif |
9971 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 9972 | case TARGET_NR_stat64: |
2852aafd RH |
9973 | if (!(p = lock_user_string(arg1))) { |
9974 | return -TARGET_EFAULT; | |
9975 | } | |
53a5960a PB |
9976 | ret = get_errno(stat(path(p), &st)); |
9977 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
9978 | if (!is_error(ret)) |
9979 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 9980 | return ret; |
a315a145 FB |
9981 | #endif |
9982 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 9983 | case TARGET_NR_lstat64: |
2852aafd RH |
9984 | if (!(p = lock_user_string(arg1))) { |
9985 | return -TARGET_EFAULT; | |
9986 | } | |
53a5960a PB |
9987 | ret = get_errno(lstat(path(p), &st)); |
9988 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
9989 | if (!is_error(ret)) |
9990 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 9991 | return ret; |
a315a145 FB |
9992 | #endif |
9993 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 9994 | case TARGET_NR_fstat64: |
6a24a778 AZ |
9995 | ret = get_errno(fstat(arg1, &st)); |
9996 | if (!is_error(ret)) | |
9997 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 9998 | return ret; |
ce4defa0 | 9999 | #endif |
c0d472b1 | 10000 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) |
9d33b76b | 10001 | #ifdef TARGET_NR_fstatat64 |
6a24a778 | 10002 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
10003 | #endif |
10004 | #ifdef TARGET_NR_newfstatat | |
10005 | case TARGET_NR_newfstatat: | |
10006 | #endif | |
2852aafd RH |
10007 | if (!(p = lock_user_string(arg2))) { |
10008 | return -TARGET_EFAULT; | |
10009 | } | |
c0d472b1 | 10010 | ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
2852aafd | 10011 | unlock_user(p, arg2, 0); |
6a24a778 AZ |
10012 | if (!is_error(ret)) |
10013 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
72eb7ea8 | 10014 | return ret; |
a315a145 | 10015 | #endif |
704eff6c | 10016 | #ifdef TARGET_NR_lchown |
67867308 | 10017 | case TARGET_NR_lchown: |
579a97f7 | 10018 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10019 | return -TARGET_EFAULT; |
53a5960a PB |
10020 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
10021 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10022 | return ret; |
704eff6c | 10023 | #endif |
0c866a7e | 10024 | #ifdef TARGET_NR_getuid |
67867308 | 10025 | case TARGET_NR_getuid: |
72eb7ea8 | 10026 | return get_errno(high2lowuid(getuid())); |
0c866a7e RV |
10027 | #endif |
10028 | #ifdef TARGET_NR_getgid | |
67867308 | 10029 | case TARGET_NR_getgid: |
72eb7ea8 | 10030 | return get_errno(high2lowgid(getgid())); |
0c866a7e RV |
10031 | #endif |
10032 | #ifdef TARGET_NR_geteuid | |
67867308 | 10033 | case TARGET_NR_geteuid: |
72eb7ea8 | 10034 | return get_errno(high2lowuid(geteuid())); |
0c866a7e RV |
10035 | #endif |
10036 | #ifdef TARGET_NR_getegid | |
67867308 | 10037 | case TARGET_NR_getegid: |
72eb7ea8 | 10038 | return get_errno(high2lowgid(getegid())); |
0c866a7e | 10039 | #endif |
67867308 | 10040 | case TARGET_NR_setreuid: |
72eb7ea8 | 10041 | return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
67867308 | 10042 | case TARGET_NR_setregid: |
72eb7ea8 | 10043 | return get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
67867308 FB |
10044 | case TARGET_NR_getgroups: |
10045 | { | |
10046 | int gidsetsize = arg1; | |
0c866a7e | 10047 | target_id *target_grouplist; |
67867308 FB |
10048 | gid_t *grouplist; |
10049 | int i; | |
10050 | ||
10051 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
10052 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 | 10053 | if (gidsetsize == 0) |
72eb7ea8 | 10054 | return ret; |
67867308 | 10055 | if (!is_error(ret)) { |
03903ffc | 10056 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); |
579a97f7 | 10057 | if (!target_grouplist) |
2852aafd | 10058 | return -TARGET_EFAULT; |
a2155fcc | 10059 | for(i = 0;i < ret; i++) |
0c866a7e | 10060 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
03903ffc | 10061 | unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); |
67867308 FB |
10062 | } |
10063 | } | |
72eb7ea8 | 10064 | return ret; |
67867308 FB |
10065 | case TARGET_NR_setgroups: |
10066 | { | |
10067 | int gidsetsize = arg1; | |
0c866a7e | 10068 | target_id *target_grouplist; |
f2b79ce9 | 10069 | gid_t *grouplist = NULL; |
67867308 | 10070 | int i; |
f2b79ce9 DA |
10071 | if (gidsetsize) { |
10072 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
03903ffc | 10073 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1); |
f2b79ce9 | 10074 | if (!target_grouplist) { |
259841c1 | 10075 | return -TARGET_EFAULT; |
f2b79ce9 DA |
10076 | } |
10077 | for (i = 0; i < gidsetsize; i++) { | |
10078 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
10079 | } | |
10080 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 10081 | } |
72eb7ea8 | 10082 | return get_errno(setgroups(gidsetsize, grouplist)); |
67867308 | 10083 | } |
67867308 | 10084 | case TARGET_NR_fchown: |
72eb7ea8 | 10085 | return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
c0d472b1 | 10086 | #if defined(TARGET_NR_fchownat) |
ccfa72b7 | 10087 | case TARGET_NR_fchownat: |
579a97f7 | 10088 | if (!(p = lock_user_string(arg2))) |
2852aafd | 10089 | return -TARGET_EFAULT; |
c0d472b1 PM |
10090 | ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
10091 | low2highgid(arg4), arg5)); | |
579a97f7 | 10092 | unlock_user(p, arg2, 0); |
72eb7ea8 | 10093 | return ret; |
ccfa72b7 | 10094 | #endif |
67867308 FB |
10095 | #ifdef TARGET_NR_setresuid |
10096 | case TARGET_NR_setresuid: | |
72eb7ea8 RH |
10097 | return get_errno(sys_setresuid(low2highuid(arg1), |
10098 | low2highuid(arg2), | |
10099 | low2highuid(arg3))); | |
67867308 FB |
10100 | #endif |
10101 | #ifdef TARGET_NR_getresuid | |
10102 | case TARGET_NR_getresuid: | |
10103 | { | |
53a5960a | 10104 | uid_t ruid, euid, suid; |
67867308 FB |
10105 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
10106 | if (!is_error(ret)) { | |
76ca310a PM |
10107 | if (put_user_id(high2lowuid(ruid), arg1) |
10108 | || put_user_id(high2lowuid(euid), arg2) | |
10109 | || put_user_id(high2lowuid(suid), arg3)) | |
2852aafd | 10110 | return -TARGET_EFAULT; |
67867308 FB |
10111 | } |
10112 | } | |
72eb7ea8 | 10113 | return ret; |
67867308 FB |
10114 | #endif |
10115 | #ifdef TARGET_NR_getresgid | |
10116 | case TARGET_NR_setresgid: | |
72eb7ea8 RH |
10117 | return get_errno(sys_setresgid(low2highgid(arg1), |
10118 | low2highgid(arg2), | |
10119 | low2highgid(arg3))); | |
67867308 FB |
10120 | #endif |
10121 | #ifdef TARGET_NR_getresgid | |
10122 | case TARGET_NR_getresgid: | |
10123 | { | |
53a5960a | 10124 | gid_t rgid, egid, sgid; |
67867308 FB |
10125 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
10126 | if (!is_error(ret)) { | |
76ca310a PM |
10127 | if (put_user_id(high2lowgid(rgid), arg1) |
10128 | || put_user_id(high2lowgid(egid), arg2) | |
10129 | || put_user_id(high2lowgid(sgid), arg3)) | |
2852aafd | 10130 | return -TARGET_EFAULT; |
67867308 FB |
10131 | } |
10132 | } | |
72eb7ea8 | 10133 | return ret; |
67867308 | 10134 | #endif |
704eff6c | 10135 | #ifdef TARGET_NR_chown |
67867308 | 10136 | case TARGET_NR_chown: |
579a97f7 | 10137 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10138 | return -TARGET_EFAULT; |
53a5960a PB |
10139 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
10140 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10141 | return ret; |
704eff6c | 10142 | #endif |
67867308 | 10143 | case TARGET_NR_setuid: |
72eb7ea8 | 10144 | return get_errno(sys_setuid(low2highuid(arg1))); |
67867308 | 10145 | case TARGET_NR_setgid: |
72eb7ea8 | 10146 | return get_errno(sys_setgid(low2highgid(arg1))); |
67867308 | 10147 | case TARGET_NR_setfsuid: |
72eb7ea8 | 10148 | return get_errno(setfsuid(arg1)); |
67867308 | 10149 | case TARGET_NR_setfsgid: |
72eb7ea8 | 10150 | return get_errno(setfsgid(arg1)); |
67867308 | 10151 | |
a315a145 | 10152 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 10153 | case TARGET_NR_lchown32: |
579a97f7 | 10154 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10155 | return -TARGET_EFAULT; |
53a5960a PB |
10156 | ret = get_errno(lchown(p, arg2, arg3)); |
10157 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10158 | return ret; |
a315a145 FB |
10159 | #endif |
10160 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 10161 | case TARGET_NR_getuid32: |
72eb7ea8 | 10162 | return get_errno(getuid()); |
a315a145 | 10163 | #endif |
64b4d28c AJ |
10164 | |
10165 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
10166 | /* Alpha specific */ | |
10167 | case TARGET_NR_getxuid: | |
ba0e276d RH |
10168 | { |
10169 | uid_t euid; | |
10170 | euid=geteuid(); | |
10171 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; | |
10172 | } | |
72eb7ea8 | 10173 | return get_errno(getuid()); |
64b4d28c AJ |
10174 | #endif |
10175 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
10176 | /* Alpha specific */ | |
10177 | case TARGET_NR_getxgid: | |
ba0e276d RH |
10178 | { |
10179 | uid_t egid; | |
10180 | egid=getegid(); | |
10181 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; | |
10182 | } | |
72eb7ea8 | 10183 | return get_errno(getgid()); |
64b4d28c | 10184 | #endif |
ba0e276d RH |
10185 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
10186 | /* Alpha specific */ | |
10187 | case TARGET_NR_osf_getsysinfo: | |
10188 | ret = -TARGET_EOPNOTSUPP; | |
10189 | switch (arg1) { | |
10190 | case TARGET_GSI_IEEE_FP_CONTROL: | |
10191 | { | |
10192 | uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env); | |
10193 | ||
10194 | /* Copied from linux ieee_fpcr_to_swcr. */ | |
10195 | swcr = (fpcr >> 35) & SWCR_STATUS_MASK; | |
10196 | swcr |= (fpcr >> 36) & SWCR_MAP_DMZ; | |
10197 | swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV | |
10198 | | SWCR_TRAP_ENABLE_DZE | |
10199 | | SWCR_TRAP_ENABLE_OVF); | |
10200 | swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF | |
10201 | | SWCR_TRAP_ENABLE_INE); | |
10202 | swcr |= (fpcr >> 47) & SWCR_MAP_UMZ; | |
10203 | swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO; | |
10204 | ||
10205 | if (put_user_u64 (swcr, arg2)) | |
2852aafd | 10206 | return -TARGET_EFAULT; |
ba0e276d RH |
10207 | ret = 0; |
10208 | } | |
10209 | break; | |
10210 | ||
10211 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
10212 | -- Not implemented in linux kernel. | |
10213 | case GSI_UACPROC: | |
10214 | -- Retrieves current unaligned access state; not much used. | |
10215 | case GSI_PROC_TYPE: | |
10216 | -- Retrieves implver information; surely not used. | |
10217 | case GSI_GET_HWRPB: | |
10218 | -- Grabs a copy of the HWRPB; surely not used. | |
10219 | */ | |
10220 | } | |
72eb7ea8 | 10221 | return ret; |
ba0e276d RH |
10222 | #endif |
10223 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
10224 | /* Alpha specific */ | |
10225 | case TARGET_NR_osf_setsysinfo: | |
10226 | ret = -TARGET_EOPNOTSUPP; | |
10227 | switch (arg1) { | |
10228 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d RH |
10229 | { |
10230 | uint64_t swcr, fpcr, orig_fpcr; | |
10231 | ||
6e06d515 | 10232 | if (get_user_u64 (swcr, arg2)) { |
2852aafd | 10233 | return -TARGET_EFAULT; |
6e06d515 RH |
10234 | } |
10235 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d RH |
10236 | fpcr = orig_fpcr & FPCR_DYN_MASK; |
10237 | ||
10238 | /* Copied from linux ieee_swcr_to_fpcr. */ | |
10239 | fpcr |= (swcr & SWCR_STATUS_MASK) << 35; | |
10240 | fpcr |= (swcr & SWCR_MAP_DMZ) << 36; | |
10241 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV | |
10242 | | SWCR_TRAP_ENABLE_DZE | |
10243 | | SWCR_TRAP_ENABLE_OVF)) << 48; | |
10244 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF | |
10245 | | SWCR_TRAP_ENABLE_INE)) << 57; | |
10246 | fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0); | |
10247 | fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41; | |
10248 | ||
6e06d515 | 10249 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 10250 | ret = 0; |
6e06d515 RH |
10251 | } |
10252 | break; | |
10253 | ||
10254 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
10255 | { | |
10256 | uint64_t exc, fpcr, orig_fpcr; | |
10257 | int si_code; | |
10258 | ||
10259 | if (get_user_u64(exc, arg2)) { | |
2852aafd | 10260 | return -TARGET_EFAULT; |
6e06d515 | 10261 | } |
ba0e276d | 10262 | |
6e06d515 | 10263 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); |
ba0e276d | 10264 | |
6e06d515 RH |
10265 | /* We only add to the exception status here. */ |
10266 | fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35); | |
10267 | ||
10268 | cpu_alpha_store_fpcr(cpu_env, fpcr); | |
10269 | ret = 0; | |
10270 | ||
10271 | /* Old exceptions are not signaled. */ | |
10272 | fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK); | |
10273 | ||
10274 | /* If any exceptions set by this call, | |
10275 | and are unmasked, send a signal. */ | |
10276 | si_code = 0; | |
10277 | if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) { | |
10278 | si_code = TARGET_FPE_FLTRES; | |
10279 | } | |
10280 | if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) { | |
10281 | si_code = TARGET_FPE_FLTUND; | |
10282 | } | |
10283 | if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) { | |
10284 | si_code = TARGET_FPE_FLTOVF; | |
10285 | } | |
10286 | if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) { | |
10287 | si_code = TARGET_FPE_FLTDIV; | |
10288 | } | |
10289 | if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) { | |
10290 | si_code = TARGET_FPE_FLTINV; | |
10291 | } | |
10292 | if (si_code != 0) { | |
10293 | target_siginfo_t info; | |
10294 | info.si_signo = SIGFPE; | |
10295 | info.si_errno = 0; | |
10296 | info.si_code = si_code; | |
10297 | info._sifields._sigfault._addr | |
10298 | = ((CPUArchState *)cpu_env)->pc; | |
9d2803f7 PM |
10299 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
10300 | QEMU_SI_FAULT, &info); | |
ba0e276d RH |
10301 | } |
10302 | } | |
10303 | break; | |
10304 | ||
10305 | /* case SSI_NVPAIRS: | |
10306 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
10307 | case SSI_IEEE_STATE_AT_SIGNAL: | |
10308 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
10309 | -- Not implemented in linux kernel | |
10310 | */ | |
10311 | } | |
72eb7ea8 | 10312 | return ret; |
ba0e276d RH |
10313 | #endif |
10314 | #ifdef TARGET_NR_osf_sigprocmask | |
10315 | /* Alpha specific. */ | |
10316 | case TARGET_NR_osf_sigprocmask: | |
10317 | { | |
10318 | abi_ulong mask; | |
bc088ba1 | 10319 | int how; |
ba0e276d RH |
10320 | sigset_t set, oldset; |
10321 | ||
10322 | switch(arg1) { | |
10323 | case TARGET_SIG_BLOCK: | |
10324 | how = SIG_BLOCK; | |
10325 | break; | |
10326 | case TARGET_SIG_UNBLOCK: | |
10327 | how = SIG_UNBLOCK; | |
10328 | break; | |
10329 | case TARGET_SIG_SETMASK: | |
10330 | how = SIG_SETMASK; | |
10331 | break; | |
10332 | default: | |
259841c1 | 10333 | return -TARGET_EINVAL; |
ba0e276d RH |
10334 | } |
10335 | mask = arg2; | |
10336 | target_to_host_old_sigset(&set, &mask); | |
3d3efba0 PM |
10337 | ret = do_sigprocmask(how, &set, &oldset); |
10338 | if (!ret) { | |
10339 | host_to_target_old_sigset(&mask, &oldset); | |
10340 | ret = mask; | |
10341 | } | |
ba0e276d | 10342 | } |
72eb7ea8 | 10343 | return ret; |
ba0e276d | 10344 | #endif |
64b4d28c | 10345 | |
a315a145 | 10346 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 10347 | case TARGET_NR_getgid32: |
72eb7ea8 | 10348 | return get_errno(getgid()); |
a315a145 FB |
10349 | #endif |
10350 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 10351 | case TARGET_NR_geteuid32: |
72eb7ea8 | 10352 | return get_errno(geteuid()); |
a315a145 FB |
10353 | #endif |
10354 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 10355 | case TARGET_NR_getegid32: |
72eb7ea8 | 10356 | return get_errno(getegid()); |
a315a145 FB |
10357 | #endif |
10358 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 10359 | case TARGET_NR_setreuid32: |
72eb7ea8 | 10360 | return get_errno(setreuid(arg1, arg2)); |
a315a145 FB |
10361 | #endif |
10362 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 10363 | case TARGET_NR_setregid32: |
72eb7ea8 | 10364 | return get_errno(setregid(arg1, arg2)); |
a315a145 FB |
10365 | #endif |
10366 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 10367 | case TARGET_NR_getgroups32: |
99c475ab FB |
10368 | { |
10369 | int gidsetsize = arg1; | |
53a5960a | 10370 | uint32_t *target_grouplist; |
99c475ab FB |
10371 | gid_t *grouplist; |
10372 | int i; | |
10373 | ||
10374 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
10375 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 | 10376 | if (gidsetsize == 0) |
72eb7ea8 | 10377 | return ret; |
99c475ab | 10378 | if (!is_error(ret)) { |
579a97f7 FB |
10379 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
10380 | if (!target_grouplist) { | |
259841c1 | 10381 | return -TARGET_EFAULT; |
579a97f7 | 10382 | } |
a2155fcc | 10383 | for(i = 0;i < ret; i++) |
53a5960a PB |
10384 | target_grouplist[i] = tswap32(grouplist[i]); |
10385 | unlock_user(target_grouplist, arg2, gidsetsize * 4); | |
99c475ab FB |
10386 | } |
10387 | } | |
72eb7ea8 | 10388 | return ret; |
a315a145 FB |
10389 | #endif |
10390 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 10391 | case TARGET_NR_setgroups32: |
99c475ab FB |
10392 | { |
10393 | int gidsetsize = arg1; | |
53a5960a | 10394 | uint32_t *target_grouplist; |
99c475ab FB |
10395 | gid_t *grouplist; |
10396 | int i; | |
3b46e624 | 10397 | |
99c475ab | 10398 | grouplist = alloca(gidsetsize * sizeof(gid_t)); |
579a97f7 FB |
10399 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
10400 | if (!target_grouplist) { | |
259841c1 | 10401 | return -TARGET_EFAULT; |
579a97f7 | 10402 | } |
99c475ab | 10403 | for(i = 0;i < gidsetsize; i++) |
53a5960a PB |
10404 | grouplist[i] = tswap32(target_grouplist[i]); |
10405 | unlock_user(target_grouplist, arg2, 0); | |
72eb7ea8 | 10406 | return get_errno(setgroups(gidsetsize, grouplist)); |
99c475ab | 10407 | } |
a315a145 FB |
10408 | #endif |
10409 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 10410 | case TARGET_NR_fchown32: |
72eb7ea8 | 10411 | return get_errno(fchown(arg1, arg2, arg3)); |
a315a145 FB |
10412 | #endif |
10413 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 10414 | case TARGET_NR_setresuid32: |
72eb7ea8 | 10415 | return get_errno(sys_setresuid(arg1, arg2, arg3)); |
a315a145 FB |
10416 | #endif |
10417 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 10418 | case TARGET_NR_getresuid32: |
b03c60f3 | 10419 | { |
53a5960a | 10420 | uid_t ruid, euid, suid; |
b03c60f3 FB |
10421 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
10422 | if (!is_error(ret)) { | |
2f619698 FB |
10423 | if (put_user_u32(ruid, arg1) |
10424 | || put_user_u32(euid, arg2) | |
10425 | || put_user_u32(suid, arg3)) | |
2852aafd | 10426 | return -TARGET_EFAULT; |
b03c60f3 FB |
10427 | } |
10428 | } | |
72eb7ea8 | 10429 | return ret; |
a315a145 FB |
10430 | #endif |
10431 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 10432 | case TARGET_NR_setresgid32: |
72eb7ea8 | 10433 | return get_errno(sys_setresgid(arg1, arg2, arg3)); |
a315a145 FB |
10434 | #endif |
10435 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 10436 | case TARGET_NR_getresgid32: |
b03c60f3 | 10437 | { |
53a5960a | 10438 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
10439 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
10440 | if (!is_error(ret)) { | |
2f619698 FB |
10441 | if (put_user_u32(rgid, arg1) |
10442 | || put_user_u32(egid, arg2) | |
10443 | || put_user_u32(sgid, arg3)) | |
2852aafd | 10444 | return -TARGET_EFAULT; |
b03c60f3 FB |
10445 | } |
10446 | } | |
72eb7ea8 | 10447 | return ret; |
a315a145 FB |
10448 | #endif |
10449 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 10450 | case TARGET_NR_chown32: |
579a97f7 | 10451 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10452 | return -TARGET_EFAULT; |
53a5960a PB |
10453 | ret = get_errno(chown(p, arg2, arg3)); |
10454 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10455 | return ret; |
a315a145 FB |
10456 | #endif |
10457 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 10458 | case TARGET_NR_setuid32: |
72eb7ea8 | 10459 | return get_errno(sys_setuid(arg1)); |
a315a145 FB |
10460 | #endif |
10461 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 10462 | case TARGET_NR_setgid32: |
72eb7ea8 | 10463 | return get_errno(sys_setgid(arg1)); |
a315a145 FB |
10464 | #endif |
10465 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 10466 | case TARGET_NR_setfsuid32: |
72eb7ea8 | 10467 | return get_errno(setfsuid(arg1)); |
a315a145 FB |
10468 | #endif |
10469 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 10470 | case TARGET_NR_setfsgid32: |
72eb7ea8 | 10471 | return get_errno(setfsgid(arg1)); |
a315a145 | 10472 | #endif |
ffa65c3b | 10473 | #ifdef TARGET_NR_mincore |
31e31b8a | 10474 | case TARGET_NR_mincore: |
04bb9ace | 10475 | { |
259841c1 | 10476 | void *a = lock_user(VERIFY_READ, arg1, arg2, 0); |
98a3331a | 10477 | if (!a) { |
259841c1 | 10478 | return -TARGET_ENOMEM; |
98a3331a | 10479 | } |
98a3331a FSM |
10480 | p = lock_user_string(arg3); |
10481 | if (!p) { | |
259841c1 RH |
10482 | ret = -TARGET_EFAULT; |
10483 | } else { | |
10484 | ret = get_errno(mincore(a, arg2, p)); | |
10485 | unlock_user(p, arg3, ret); | |
98a3331a | 10486 | } |
04bb9ace AJ |
10487 | unlock_user(a, arg1, 0); |
10488 | } | |
72eb7ea8 | 10489 | return ret; |
ffa65c3b | 10490 | #endif |
408321b6 AJ |
10491 | #ifdef TARGET_NR_arm_fadvise64_64 |
10492 | case TARGET_NR_arm_fadvise64_64: | |
e0156a9d PM |
10493 | /* arm_fadvise64_64 looks like fadvise64_64 but |
10494 | * with different argument order: fd, advice, offset, len | |
10495 | * rather than the usual fd, offset, len, advice. | |
10496 | * Note that offset and len are both 64-bit so appear as | |
10497 | * pairs of 32-bit registers. | |
10498 | */ | |
10499 | ret = posix_fadvise(arg1, target_offset64(arg3, arg4), | |
10500 | target_offset64(arg5, arg6), arg2); | |
72eb7ea8 | 10501 | return -host_to_target_errno(ret); |
408321b6 | 10502 | #endif |
badd3cd8 PM |
10503 | |
10504 | #if TARGET_ABI_BITS == 32 | |
10505 | ||
10506 | #ifdef TARGET_NR_fadvise64_64 | |
10507 | case TARGET_NR_fadvise64_64: | |
64a563dd | 10508 | #if defined(TARGET_PPC) || defined(TARGET_XTENSA) |
43046b5a LV |
10509 | /* 6 args: fd, advice, offset (high, low), len (high, low) */ |
10510 | ret = arg2; | |
10511 | arg2 = arg3; | |
10512 | arg3 = arg4; | |
10513 | arg4 = arg5; | |
10514 | arg5 = arg6; | |
10515 | arg6 = ret; | |
10516 | #else | |
badd3cd8 | 10517 | /* 6 args: fd, offset (high, low), len (high, low), advice */ |
8bf8e9df | 10518 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
10519 | /* offset is in (3,4), len in (5,6) and advice in 7 */ |
10520 | arg2 = arg3; | |
10521 | arg3 = arg4; | |
10522 | arg4 = arg5; | |
10523 | arg5 = arg6; | |
10524 | arg6 = arg7; | |
10525 | } | |
43046b5a | 10526 | #endif |
72eb7ea8 RH |
10527 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), |
10528 | target_offset64(arg4, arg5), arg6); | |
10529 | return -host_to_target_errno(ret); | |
badd3cd8 PM |
10530 | #endif |
10531 | ||
10532 | #ifdef TARGET_NR_fadvise64 | |
10533 | case TARGET_NR_fadvise64: | |
10534 | /* 5 args: fd, offset (high, low), len, advice */ | |
8bf8e9df | 10535 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
10536 | /* offset is in (3,4), len in 5 and advice in 6 */ |
10537 | arg2 = arg3; | |
10538 | arg3 = arg4; | |
10539 | arg4 = arg5; | |
10540 | arg5 = arg6; | |
10541 | } | |
72eb7ea8 RH |
10542 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5); |
10543 | return -host_to_target_errno(ret); | |
408321b6 | 10544 | #endif |
badd3cd8 PM |
10545 | |
10546 | #else /* not a 32-bit ABI */ | |
e0156a9d | 10547 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
10548 | #ifdef TARGET_NR_fadvise64_64 |
10549 | case TARGET_NR_fadvise64_64: | |
10550 | #endif | |
e72d2cc7 UH |
10551 | #ifdef TARGET_NR_fadvise64 |
10552 | case TARGET_NR_fadvise64: | |
10553 | #endif | |
10554 | #ifdef TARGET_S390X | |
10555 | switch (arg4) { | |
10556 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
10557 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
10558 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
10559 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
10560 | default: break; | |
10561 | } | |
10562 | #endif | |
72eb7ea8 | 10563 | return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); |
408321b6 | 10564 | #endif |
badd3cd8 PM |
10565 | #endif /* end of 64-bit ABI fadvise handling */ |
10566 | ||
ffa65c3b | 10567 | #ifdef TARGET_NR_madvise |
31e31b8a | 10568 | case TARGET_NR_madvise: |
24836689 | 10569 | /* A straight passthrough may not be safe because qemu sometimes |
d2d6b857 | 10570 | turns private file-backed mappings into anonymous mappings. |
24836689 PB |
10571 | This will break MADV_DONTNEED. |
10572 | This is a hint, so ignoring and returning success is ok. */ | |
72eb7ea8 | 10573 | return 0; |
ffa65c3b | 10574 | #endif |
992f48a0 | 10575 | #if TARGET_ABI_BITS == 32 |
31e31b8a | 10576 | case TARGET_NR_fcntl64: |
77e4672d | 10577 | { |
b1e341eb | 10578 | int cmd; |
77e4672d | 10579 | struct flock64 fl; |
213d3e9e PM |
10580 | from_flock64_fn *copyfrom = copy_from_user_flock64; |
10581 | to_flock64_fn *copyto = copy_to_user_flock64; | |
10582 | ||
ce4defa0 | 10583 | #ifdef TARGET_ARM |
7f254c5c LV |
10584 | if (!((CPUARMState *)cpu_env)->eabi) { |
10585 | copyfrom = copy_from_user_oabi_flock64; | |
10586 | copyto = copy_to_user_oabi_flock64; | |
213d3e9e | 10587 | } |
ce4defa0 | 10588 | #endif |
77e4672d | 10589 | |
5f106811 | 10590 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 | 10591 | if (cmd == -TARGET_EINVAL) { |
72eb7ea8 | 10592 | return cmd; |
31b63193 | 10593 | } |
b1e341eb | 10594 | |
60cd49d5 | 10595 | switch(arg2) { |
b1e341eb | 10596 | case TARGET_F_GETLK64: |
213d3e9e PM |
10597 | ret = copyfrom(&fl, arg3); |
10598 | if (ret) { | |
10599 | break; | |
5813427b | 10600 | } |
af8ab2bf | 10601 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
213d3e9e PM |
10602 | if (ret == 0) { |
10603 | ret = copyto(arg3, &fl); | |
10604 | } | |
77e4672d FB |
10605 | break; |
10606 | ||
b1e341eb TS |
10607 | case TARGET_F_SETLK64: |
10608 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
10609 | ret = copyfrom(&fl, arg3); |
10610 | if (ret) { | |
10611 | break; | |
ce4defa0 | 10612 | } |
435da5e7 | 10613 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
77e4672d | 10614 | break; |
60cd49d5 | 10615 | default: |
5f106811 | 10616 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
10617 | break; |
10618 | } | |
72eb7ea8 | 10619 | return ret; |
77e4672d | 10620 | } |
60cd49d5 | 10621 | #endif |
7d600c80 TS |
10622 | #ifdef TARGET_NR_cacheflush |
10623 | case TARGET_NR_cacheflush: | |
10624 | /* self-modifying code is handled automatically, so nothing needed */ | |
72eb7ea8 | 10625 | return 0; |
7d600c80 | 10626 | #endif |
c573ff67 FB |
10627 | #ifdef TARGET_NR_getpagesize |
10628 | case TARGET_NR_getpagesize: | |
72eb7ea8 | 10629 | return TARGET_PAGE_SIZE; |
ebc05488 | 10630 | #endif |
31e31b8a | 10631 | case TARGET_NR_gettid: |
72eb7ea8 | 10632 | return get_errno(gettid()); |
e5febef5 | 10633 | #ifdef TARGET_NR_readahead |
31e31b8a | 10634 | case TARGET_NR_readahead: |
2054ac9b | 10635 | #if TARGET_ABI_BITS == 32 |
8bf8e9df | 10636 | if (regpairs_aligned(cpu_env, num)) { |
2054ac9b AJ |
10637 | arg2 = arg3; |
10638 | arg3 = arg4; | |
10639 | arg4 = arg5; | |
10640 | } | |
77c6850f | 10641 | ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4)); |
2054ac9b AJ |
10642 | #else |
10643 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
10644 | #endif | |
72eb7ea8 | 10645 | return ret; |
e5febef5 | 10646 | #endif |
a790ae38 | 10647 | #ifdef CONFIG_ATTR |
ebc05488 | 10648 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
10649 | case TARGET_NR_listxattr: |
10650 | case TARGET_NR_llistxattr: | |
fb5590f7 PM |
10651 | { |
10652 | void *p, *b = 0; | |
10653 | if (arg2) { | |
10654 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
10655 | if (!b) { | |
72eb7ea8 | 10656 | return -TARGET_EFAULT; |
fb5590f7 PM |
10657 | } |
10658 | } | |
10659 | p = lock_user_string(arg1); | |
10660 | if (p) { | |
10661 | if (num == TARGET_NR_listxattr) { | |
10662 | ret = get_errno(listxattr(p, b, arg3)); | |
10663 | } else { | |
10664 | ret = get_errno(llistxattr(p, b, arg3)); | |
10665 | } | |
10666 | } else { | |
10667 | ret = -TARGET_EFAULT; | |
10668 | } | |
10669 | unlock_user(p, arg1, 0); | |
10670 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 10671 | return ret; |
fb5590f7 | 10672 | } |
31e31b8a | 10673 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
10674 | { |
10675 | void *b = 0; | |
10676 | if (arg2) { | |
10677 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
10678 | if (!b) { | |
72eb7ea8 | 10679 | return -TARGET_EFAULT; |
fb5590f7 PM |
10680 | } |
10681 | } | |
10682 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
10683 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 10684 | return ret; |
fb5590f7 | 10685 | } |
a790ae38 | 10686 | case TARGET_NR_setxattr: |
30297b55 | 10687 | case TARGET_NR_lsetxattr: |
a790ae38 | 10688 | { |
e3c33ec6 PM |
10689 | void *p, *n, *v = 0; |
10690 | if (arg3) { | |
10691 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
10692 | if (!v) { | |
72eb7ea8 | 10693 | return -TARGET_EFAULT; |
e3c33ec6 PM |
10694 | } |
10695 | } | |
a790ae38 ACH |
10696 | p = lock_user_string(arg1); |
10697 | n = lock_user_string(arg2); | |
e3c33ec6 | 10698 | if (p && n) { |
30297b55 PM |
10699 | if (num == TARGET_NR_setxattr) { |
10700 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
10701 | } else { | |
10702 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
10703 | } | |
a790ae38 ACH |
10704 | } else { |
10705 | ret = -TARGET_EFAULT; | |
10706 | } | |
10707 | unlock_user(p, arg1, 0); | |
10708 | unlock_user(n, arg2, 0); | |
10709 | unlock_user(v, arg3, 0); | |
10710 | } | |
72eb7ea8 | 10711 | return ret; |
30297b55 PM |
10712 | case TARGET_NR_fsetxattr: |
10713 | { | |
10714 | void *n, *v = 0; | |
10715 | if (arg3) { | |
10716 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
10717 | if (!v) { | |
72eb7ea8 | 10718 | return -TARGET_EFAULT; |
30297b55 PM |
10719 | } |
10720 | } | |
10721 | n = lock_user_string(arg2); | |
10722 | if (n) { | |
10723 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
10724 | } else { | |
10725 | ret = -TARGET_EFAULT; | |
10726 | } | |
10727 | unlock_user(n, arg2, 0); | |
10728 | unlock_user(v, arg3, 0); | |
10729 | } | |
72eb7ea8 | 10730 | return ret; |
a790ae38 | 10731 | case TARGET_NR_getxattr: |
30297b55 | 10732 | case TARGET_NR_lgetxattr: |
a790ae38 | 10733 | { |
e3c33ec6 PM |
10734 | void *p, *n, *v = 0; |
10735 | if (arg3) { | |
10736 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
10737 | if (!v) { | |
72eb7ea8 | 10738 | return -TARGET_EFAULT; |
e3c33ec6 PM |
10739 | } |
10740 | } | |
a790ae38 ACH |
10741 | p = lock_user_string(arg1); |
10742 | n = lock_user_string(arg2); | |
e3c33ec6 | 10743 | if (p && n) { |
30297b55 PM |
10744 | if (num == TARGET_NR_getxattr) { |
10745 | ret = get_errno(getxattr(p, n, v, arg4)); | |
10746 | } else { | |
10747 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
10748 | } | |
a790ae38 ACH |
10749 | } else { |
10750 | ret = -TARGET_EFAULT; | |
10751 | } | |
10752 | unlock_user(p, arg1, 0); | |
10753 | unlock_user(n, arg2, 0); | |
10754 | unlock_user(v, arg3, arg4); | |
10755 | } | |
72eb7ea8 | 10756 | return ret; |
30297b55 PM |
10757 | case TARGET_NR_fgetxattr: |
10758 | { | |
10759 | void *n, *v = 0; | |
10760 | if (arg3) { | |
10761 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
10762 | if (!v) { | |
72eb7ea8 | 10763 | return -TARGET_EFAULT; |
30297b55 PM |
10764 | } |
10765 | } | |
10766 | n = lock_user_string(arg2); | |
10767 | if (n) { | |
10768 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
10769 | } else { | |
10770 | ret = -TARGET_EFAULT; | |
10771 | } | |
10772 | unlock_user(n, arg2, 0); | |
10773 | unlock_user(v, arg3, arg4); | |
10774 | } | |
72eb7ea8 | 10775 | return ret; |
a790ae38 | 10776 | case TARGET_NR_removexattr: |
30297b55 | 10777 | case TARGET_NR_lremovexattr: |
a790ae38 ACH |
10778 | { |
10779 | void *p, *n; | |
10780 | p = lock_user_string(arg1); | |
10781 | n = lock_user_string(arg2); | |
10782 | if (p && n) { | |
30297b55 PM |
10783 | if (num == TARGET_NR_removexattr) { |
10784 | ret = get_errno(removexattr(p, n)); | |
10785 | } else { | |
10786 | ret = get_errno(lremovexattr(p, n)); | |
10787 | } | |
a790ae38 ACH |
10788 | } else { |
10789 | ret = -TARGET_EFAULT; | |
10790 | } | |
10791 | unlock_user(p, arg1, 0); | |
10792 | unlock_user(n, arg2, 0); | |
10793 | } | |
72eb7ea8 | 10794 | return ret; |
30297b55 PM |
10795 | case TARGET_NR_fremovexattr: |
10796 | { | |
10797 | void *n; | |
10798 | n = lock_user_string(arg2); | |
10799 | if (n) { | |
10800 | ret = get_errno(fremovexattr(arg1, n)); | |
10801 | } else { | |
10802 | ret = -TARGET_EFAULT; | |
10803 | } | |
10804 | unlock_user(n, arg2, 0); | |
10805 | } | |
72eb7ea8 | 10806 | return ret; |
ebc05488 | 10807 | #endif |
a790ae38 | 10808 | #endif /* CONFIG_ATTR */ |
ebc05488 | 10809 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 10810 | case TARGET_NR_set_thread_area: |
8d18e893 | 10811 | #if defined(TARGET_MIPS) |
d279279e | 10812 | ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1; |
72eb7ea8 | 10813 | return 0; |
ef96779b EI |
10814 | #elif defined(TARGET_CRIS) |
10815 | if (arg1 & 0xff) | |
10816 | ret = -TARGET_EINVAL; | |
10817 | else { | |
10818 | ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; | |
10819 | ret = 0; | |
10820 | } | |
72eb7ea8 | 10821 | return ret; |
8d18e893 | 10822 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 10823 | return do_set_thread_area(cpu_env, arg1); |
1ccd9374 PM |
10824 | #elif defined(TARGET_M68K) |
10825 | { | |
0429a971 | 10826 | TaskState *ts = cpu->opaque; |
1ccd9374 | 10827 | ts->tp_value = arg1; |
72eb7ea8 | 10828 | return 0; |
1ccd9374 | 10829 | } |
6f5b89a0 | 10830 | #else |
10f45d98 | 10831 | return -TARGET_ENOSYS; |
6f5b89a0 TS |
10832 | #endif |
10833 | #endif | |
10834 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 10835 | case TARGET_NR_get_thread_area: |
8d18e893 | 10836 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 10837 | return do_get_thread_area(cpu_env, arg1); |
1ccd9374 PM |
10838 | #elif defined(TARGET_M68K) |
10839 | { | |
0429a971 | 10840 | TaskState *ts = cpu->opaque; |
72eb7ea8 | 10841 | return ts->tp_value; |
1ccd9374 | 10842 | } |
8d18e893 | 10843 | #else |
10f45d98 | 10844 | return -TARGET_ENOSYS; |
48dc41eb | 10845 | #endif |
8d18e893 | 10846 | #endif |
48dc41eb FB |
10847 | #ifdef TARGET_NR_getdomainname |
10848 | case TARGET_NR_getdomainname: | |
10f45d98 | 10849 | return -TARGET_ENOSYS; |
ebc05488 | 10850 | #endif |
6f5b89a0 | 10851 | |
12e3340c MF |
10852 | #ifdef TARGET_NR_clock_settime |
10853 | case TARGET_NR_clock_settime: | |
10854 | { | |
10855 | struct timespec ts; | |
10856 | ||
10857 | ret = target_to_host_timespec(&ts, arg2); | |
10858 | if (!is_error(ret)) { | |
10859 | ret = get_errno(clock_settime(arg1, &ts)); | |
10860 | } | |
72eb7ea8 | 10861 | return ret; |
12e3340c MF |
10862 | } |
10863 | #endif | |
b5906f95 TS |
10864 | #ifdef TARGET_NR_clock_gettime |
10865 | case TARGET_NR_clock_gettime: | |
10866 | { | |
10867 | struct timespec ts; | |
10868 | ret = get_errno(clock_gettime(arg1, &ts)); | |
10869 | if (!is_error(ret)) { | |
b9f9908e | 10870 | ret = host_to_target_timespec(arg2, &ts); |
b5906f95 | 10871 | } |
72eb7ea8 | 10872 | return ret; |
b5906f95 TS |
10873 | } |
10874 | #endif | |
10875 | #ifdef TARGET_NR_clock_getres | |
10876 | case TARGET_NR_clock_getres: | |
10877 | { | |
10878 | struct timespec ts; | |
10879 | ret = get_errno(clock_getres(arg1, &ts)); | |
10880 | if (!is_error(ret)) { | |
10881 | host_to_target_timespec(arg2, &ts); | |
10882 | } | |
72eb7ea8 | 10883 | return ret; |
b5906f95 TS |
10884 | } |
10885 | #endif | |
63d7651b PB |
10886 | #ifdef TARGET_NR_clock_nanosleep |
10887 | case TARGET_NR_clock_nanosleep: | |
10888 | { | |
10889 | struct timespec ts; | |
10890 | target_to_host_timespec(&ts, arg3); | |
9e518226 PM |
10891 | ret = get_errno(safe_clock_nanosleep(arg1, arg2, |
10892 | &ts, arg4 ? &ts : NULL)); | |
63d7651b PB |
10893 | if (arg4) |
10894 | host_to_target_timespec(arg4, &ts); | |
8fbe8fdf TM |
10895 | |
10896 | #if defined(TARGET_PPC) | |
10897 | /* clock_nanosleep is odd in that it returns positive errno values. | |
10898 | * On PPC, CR0 bit 3 should be set in such a situation. */ | |
9e518226 | 10899 | if (ret && ret != -TARGET_ERESTARTSYS) { |
8fbe8fdf TM |
10900 | ((CPUPPCState *)cpu_env)->crf[0] |= 1; |
10901 | } | |
10902 | #endif | |
72eb7ea8 | 10903 | return ret; |
63d7651b PB |
10904 | } |
10905 | #endif | |
b5906f95 | 10906 | |
6f5b89a0 TS |
10907 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
10908 | case TARGET_NR_set_tid_address: | |
72eb7ea8 | 10909 | return get_errno(set_tid_address((int *)g2h(arg1))); |
6f5b89a0 TS |
10910 | #endif |
10911 | ||
4cae1d16 | 10912 | case TARGET_NR_tkill: |
72eb7ea8 | 10913 | return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 | 10914 | |
71455574 | 10915 | case TARGET_NR_tgkill: |
72eb7ea8 RH |
10916 | return get_errno(safe_tgkill((int)arg1, (int)arg2, |
10917 | target_to_host_signal(arg3))); | |
71455574 | 10918 | |
4f2b1fe8 TS |
10919 | #ifdef TARGET_NR_set_robust_list |
10920 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
10921 | case TARGET_NR_get_robust_list: |
10922 | /* The ABI for supporting robust futexes has userspace pass | |
10923 | * the kernel a pointer to a linked list which is updated by | |
10924 | * userspace after the syscall; the list is walked by the kernel | |
10925 | * when the thread exits. Since the linked list in QEMU guest | |
10926 | * memory isn't a valid linked list for the host and we have | |
10927 | * no way to reliably intercept the thread-death event, we can't | |
10928 | * support these. Silently return ENOSYS so that guest userspace | |
10929 | * falls back to a non-robust futex implementation (which should | |
10930 | * be OK except in the corner case of the guest crashing while | |
10931 | * holding a mutex that is shared with another process via | |
10932 | * shared memory). | |
10933 | */ | |
10f45d98 | 10934 | return -TARGET_ENOSYS; |
4f2b1fe8 TS |
10935 | #endif |
10936 | ||
1acae9f2 | 10937 | #if defined(TARGET_NR_utimensat) |
9007f0ef TS |
10938 | case TARGET_NR_utimensat: |
10939 | { | |
ebc996f3 RV |
10940 | struct timespec *tsp, ts[2]; |
10941 | if (!arg3) { | |
10942 | tsp = NULL; | |
10943 | } else { | |
10944 | target_to_host_timespec(ts, arg3); | |
10945 | target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); | |
10946 | tsp = ts; | |
10947 | } | |
9007f0ef | 10948 | if (!arg2) |
ebc996f3 | 10949 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 10950 | else { |
579a97f7 | 10951 | if (!(p = lock_user_string(arg2))) { |
259841c1 | 10952 | return -TARGET_EFAULT; |
579a97f7 | 10953 | } |
ebc996f3 | 10954 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 10955 | unlock_user(p, arg2, 0); |
9007f0ef TS |
10956 | } |
10957 | } | |
72eb7ea8 | 10958 | return ret; |
9007f0ef | 10959 | #endif |
bd0c5661 | 10960 | case TARGET_NR_futex: |
72eb7ea8 | 10961 | return do_futex(arg1, arg2, arg3, arg4, arg5, arg6); |
dbfe4c36 | 10962 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
39b59763 AJ |
10963 | case TARGET_NR_inotify_init: |
10964 | ret = get_errno(sys_inotify_init()); | |
b929f7e5 PMD |
10965 | if (ret >= 0) { |
10966 | fd_trans_register(ret, &target_inotify_trans); | |
10967 | } | |
72eb7ea8 | 10968 | return ret; |
39b59763 | 10969 | #endif |
a1606b0b | 10970 | #ifdef CONFIG_INOTIFY1 |
c05c7a73 RV |
10971 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) |
10972 | case TARGET_NR_inotify_init1: | |
fea243e9 LD |
10973 | ret = get_errno(sys_inotify_init1(target_to_host_bitmask(arg1, |
10974 | fcntl_flags_tbl))); | |
b929f7e5 PMD |
10975 | if (ret >= 0) { |
10976 | fd_trans_register(ret, &target_inotify_trans); | |
10977 | } | |
72eb7ea8 | 10978 | return ret; |
c05c7a73 | 10979 | #endif |
a1606b0b | 10980 | #endif |
dbfe4c36 | 10981 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) |
39b59763 AJ |
10982 | case TARGET_NR_inotify_add_watch: |
10983 | p = lock_user_string(arg2); | |
10984 | ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); | |
10985 | unlock_user(p, arg2, 0); | |
72eb7ea8 | 10986 | return ret; |
39b59763 | 10987 | #endif |
dbfe4c36 | 10988 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) |
39b59763 | 10989 | case TARGET_NR_inotify_rm_watch: |
72eb7ea8 | 10990 | return get_errno(sys_inotify_rm_watch(arg1, arg2)); |
39b59763 | 10991 | #endif |
9007f0ef | 10992 | |
8ec9cf89 | 10993 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
10994 | case TARGET_NR_mq_open: |
10995 | { | |
c7536ab6 | 10996 | struct mq_attr posix_mq_attr; |
26400775 | 10997 | struct mq_attr *pposix_mq_attr; |
c7536ab6 | 10998 | int host_flags; |
24e1003a | 10999 | |
c7536ab6 | 11000 | host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl); |
26400775 LD |
11001 | pposix_mq_attr = NULL; |
11002 | if (arg4) { | |
11003 | if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) { | |
2852aafd | 11004 | return -TARGET_EFAULT; |
26400775 LD |
11005 | } |
11006 | pposix_mq_attr = &posix_mq_attr; | |
c7536ab6 | 11007 | } |
24e1003a | 11008 | p = lock_user_string(arg1 - 1); |
c7536ab6 | 11009 | if (!p) { |
2852aafd | 11010 | return -TARGET_EFAULT; |
b6ce1f6b | 11011 | } |
26400775 | 11012 | ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr)); |
24e1003a AJ |
11013 | unlock_user (p, arg1, 0); |
11014 | } | |
72eb7ea8 | 11015 | return ret; |
24e1003a AJ |
11016 | |
11017 | case TARGET_NR_mq_unlink: | |
11018 | p = lock_user_string(arg1 - 1); | |
3211215e | 11019 | if (!p) { |
72eb7ea8 | 11020 | return -TARGET_EFAULT; |
3211215e | 11021 | } |
24e1003a AJ |
11022 | ret = get_errno(mq_unlink(p)); |
11023 | unlock_user (p, arg1, 0); | |
72eb7ea8 | 11024 | return ret; |
24e1003a AJ |
11025 | |
11026 | case TARGET_NR_mq_timedsend: | |
11027 | { | |
11028 | struct timespec ts; | |
11029 | ||
11030 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
11031 | if (arg5 != 0) { | |
11032 | target_to_host_timespec(&ts, arg5); | |
d40ecd66 | 11033 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); |
24e1003a | 11034 | host_to_target_timespec(arg5, &ts); |
d40ecd66 PM |
11035 | } else { |
11036 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); | |
24e1003a | 11037 | } |
24e1003a AJ |
11038 | unlock_user (p, arg2, arg3); |
11039 | } | |
72eb7ea8 | 11040 | return ret; |
24e1003a AJ |
11041 | |
11042 | case TARGET_NR_mq_timedreceive: | |
11043 | { | |
11044 | struct timespec ts; | |
11045 | unsigned int prio; | |
11046 | ||
11047 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
11048 | if (arg5 != 0) { | |
11049 | target_to_host_timespec(&ts, arg5); | |
d40ecd66 PM |
11050 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, |
11051 | &prio, &ts)); | |
24e1003a | 11052 | host_to_target_timespec(arg5, &ts); |
d40ecd66 PM |
11053 | } else { |
11054 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
11055 | &prio, NULL)); | |
24e1003a | 11056 | } |
24e1003a AJ |
11057 | unlock_user (p, arg2, arg3); |
11058 | if (arg4 != 0) | |
11059 | put_user_u32(prio, arg4); | |
11060 | } | |
72eb7ea8 | 11061 | return ret; |
24e1003a AJ |
11062 | |
11063 | /* Not implemented for now... */ | |
11064 | /* case TARGET_NR_mq_notify: */ | |
11065 | /* break; */ | |
11066 | ||
11067 | case TARGET_NR_mq_getsetattr: | |
11068 | { | |
11069 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
11070 | ret = 0; | |
24e1003a AJ |
11071 | if (arg2 != 0) { |
11072 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
a23ea409 MF |
11073 | ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in, |
11074 | &posix_mq_attr_out)); | |
11075 | } else if (arg3 != 0) { | |
11076 | ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out)); | |
11077 | } | |
11078 | if (ret == 0 && arg3 != 0) { | |
11079 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
24e1003a | 11080 | } |
24e1003a | 11081 | } |
72eb7ea8 | 11082 | return ret; |
24e1003a AJ |
11083 | #endif |
11084 | ||
3ce34dfb VS |
11085 | #ifdef CONFIG_SPLICE |
11086 | #ifdef TARGET_NR_tee | |
11087 | case TARGET_NR_tee: | |
11088 | { | |
11089 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
11090 | } | |
72eb7ea8 | 11091 | return ret; |
3ce34dfb VS |
11092 | #endif |
11093 | #ifdef TARGET_NR_splice | |
11094 | case TARGET_NR_splice: | |
11095 | { | |
11096 | loff_t loff_in, loff_out; | |
11097 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
17644b36 AS |
11098 | if (arg2) { |
11099 | if (get_user_u64(loff_in, arg2)) { | |
2852aafd | 11100 | return -TARGET_EFAULT; |
17644b36 | 11101 | } |
3ce34dfb VS |
11102 | ploff_in = &loff_in; |
11103 | } | |
17644b36 AS |
11104 | if (arg4) { |
11105 | if (get_user_u64(loff_out, arg4)) { | |
2852aafd | 11106 | return -TARGET_EFAULT; |
17644b36 | 11107 | } |
3ce34dfb VS |
11108 | ploff_out = &loff_out; |
11109 | } | |
11110 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
17644b36 AS |
11111 | if (arg2) { |
11112 | if (put_user_u64(loff_in, arg2)) { | |
2852aafd | 11113 | return -TARGET_EFAULT; |
17644b36 AS |
11114 | } |
11115 | } | |
11116 | if (arg4) { | |
11117 | if (put_user_u64(loff_out, arg4)) { | |
2852aafd | 11118 | return -TARGET_EFAULT; |
17644b36 AS |
11119 | } |
11120 | } | |
3ce34dfb | 11121 | } |
72eb7ea8 | 11122 | return ret; |
3ce34dfb VS |
11123 | #endif |
11124 | #ifdef TARGET_NR_vmsplice | |
11125 | case TARGET_NR_vmsplice: | |
11126 | { | |
f287b2c2 RH |
11127 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
11128 | if (vec != NULL) { | |
11129 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
11130 | unlock_iovec(vec, arg2, arg3, 0); | |
11131 | } else { | |
11132 | ret = -host_to_target_errno(errno); | |
11133 | } | |
3ce34dfb | 11134 | } |
72eb7ea8 | 11135 | return ret; |
3ce34dfb VS |
11136 | #endif |
11137 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
11138 | #ifdef CONFIG_EVENTFD |
11139 | #if defined(TARGET_NR_eventfd) | |
11140 | case TARGET_NR_eventfd: | |
11141 | ret = get_errno(eventfd(arg1, 0)); | |
b929f7e5 PMD |
11142 | if (ret >= 0) { |
11143 | fd_trans_register(ret, &target_eventfd_trans); | |
11144 | } | |
72eb7ea8 | 11145 | return ret; |
c2882b96 RV |
11146 | #endif |
11147 | #if defined(TARGET_NR_eventfd2) | |
11148 | case TARGET_NR_eventfd2: | |
5947c697 PJ |
11149 | { |
11150 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)); | |
11151 | if (arg2 & TARGET_O_NONBLOCK) { | |
11152 | host_flags |= O_NONBLOCK; | |
11153 | } | |
11154 | if (arg2 & TARGET_O_CLOEXEC) { | |
11155 | host_flags |= O_CLOEXEC; | |
11156 | } | |
11157 | ret = get_errno(eventfd(arg1, host_flags)); | |
b929f7e5 PMD |
11158 | if (ret >= 0) { |
11159 | fd_trans_register(ret, &target_eventfd_trans); | |
11160 | } | |
72eb7ea8 | 11161 | return ret; |
5947c697 | 11162 | } |
c2882b96 RV |
11163 | #endif |
11164 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
11165 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
11166 | case TARGET_NR_fallocate: | |
20249ae1 AG |
11167 | #if TARGET_ABI_BITS == 32 |
11168 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), | |
11169 | target_offset64(arg5, arg6))); | |
11170 | #else | |
d0927938 | 11171 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 11172 | #endif |
72eb7ea8 | 11173 | return ret; |
c727f47d PM |
11174 | #endif |
11175 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
11176 | #if defined(TARGET_NR_sync_file_range) | |
11177 | case TARGET_NR_sync_file_range: | |
11178 | #if TARGET_ABI_BITS == 32 | |
bfcedc57 RV |
11179 | #if defined(TARGET_MIPS) |
11180 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
11181 | target_offset64(arg5, arg6), arg7)); | |
11182 | #else | |
c727f47d PM |
11183 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
11184 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 11185 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
11186 | #else |
11187 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
11188 | #endif | |
72eb7ea8 | 11189 | return ret; |
c727f47d PM |
11190 | #endif |
11191 | #if defined(TARGET_NR_sync_file_range2) | |
11192 | case TARGET_NR_sync_file_range2: | |
11193 | /* This is like sync_file_range but the arguments are reordered */ | |
11194 | #if TARGET_ABI_BITS == 32 | |
11195 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
11196 | target_offset64(arg5, arg6), arg2)); | |
11197 | #else | |
11198 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
11199 | #endif | |
72eb7ea8 | 11200 | return ret; |
c727f47d | 11201 | #endif |
3b6edd16 | 11202 | #endif |
e36800c9 LV |
11203 | #if defined(TARGET_NR_signalfd4) |
11204 | case TARGET_NR_signalfd4: | |
72eb7ea8 | 11205 | return do_signalfd4(arg1, arg2, arg4); |
e36800c9 LV |
11206 | #endif |
11207 | #if defined(TARGET_NR_signalfd) | |
11208 | case TARGET_NR_signalfd: | |
72eb7ea8 | 11209 | return do_signalfd4(arg1, arg2, 0); |
e36800c9 | 11210 | #endif |
3b6edd16 PM |
11211 | #if defined(CONFIG_EPOLL) |
11212 | #if defined(TARGET_NR_epoll_create) | |
11213 | case TARGET_NR_epoll_create: | |
72eb7ea8 | 11214 | return get_errno(epoll_create(arg1)); |
3b6edd16 PM |
11215 | #endif |
11216 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
11217 | case TARGET_NR_epoll_create1: | |
72eb7ea8 | 11218 | return get_errno(epoll_create1(arg1)); |
3b6edd16 PM |
11219 | #endif |
11220 | #if defined(TARGET_NR_epoll_ctl) | |
11221 | case TARGET_NR_epoll_ctl: | |
11222 | { | |
11223 | struct epoll_event ep; | |
11224 | struct epoll_event *epp = 0; | |
11225 | if (arg4) { | |
11226 | struct target_epoll_event *target_ep; | |
11227 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
2852aafd | 11228 | return -TARGET_EFAULT; |
3b6edd16 PM |
11229 | } |
11230 | ep.events = tswap32(target_ep->events); | |
11231 | /* The epoll_data_t union is just opaque data to the kernel, | |
11232 | * so we transfer all 64 bits across and need not worry what | |
11233 | * actual data type it is. | |
11234 | */ | |
11235 | ep.data.u64 = tswap64(target_ep->data.u64); | |
11236 | unlock_user_struct(target_ep, arg4, 0); | |
11237 | epp = &ep; | |
11238 | } | |
72eb7ea8 | 11239 | return get_errno(epoll_ctl(arg1, arg2, arg3, epp)); |
3b6edd16 PM |
11240 | } |
11241 | #endif | |
11242 | ||
227f0214 | 11243 | #if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
11244 | #if defined(TARGET_NR_epoll_wait) |
11245 | case TARGET_NR_epoll_wait: | |
11246 | #endif | |
227f0214 | 11247 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
11248 | case TARGET_NR_epoll_pwait: |
11249 | #endif | |
11250 | { | |
11251 | struct target_epoll_event *target_ep; | |
11252 | struct epoll_event *ep; | |
11253 | int epfd = arg1; | |
11254 | int maxevents = arg3; | |
11255 | int timeout = arg4; | |
11256 | ||
2ba7fae3 | 11257 | if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) { |
72eb7ea8 | 11258 | return -TARGET_EINVAL; |
2ba7fae3 PM |
11259 | } |
11260 | ||
3b6edd16 PM |
11261 | target_ep = lock_user(VERIFY_WRITE, arg2, |
11262 | maxevents * sizeof(struct target_epoll_event), 1); | |
11263 | if (!target_ep) { | |
2852aafd | 11264 | return -TARGET_EFAULT; |
3b6edd16 PM |
11265 | } |
11266 | ||
04c95f4d PM |
11267 | ep = g_try_new(struct epoll_event, maxevents); |
11268 | if (!ep) { | |
11269 | unlock_user(target_ep, arg2, 0); | |
72eb7ea8 | 11270 | return -TARGET_ENOMEM; |
04c95f4d | 11271 | } |
3b6edd16 PM |
11272 | |
11273 | switch (num) { | |
227f0214 | 11274 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
11275 | case TARGET_NR_epoll_pwait: |
11276 | { | |
11277 | target_sigset_t *target_set; | |
11278 | sigset_t _set, *set = &_set; | |
11279 | ||
11280 | if (arg5) { | |
c815701e PM |
11281 | if (arg6 != sizeof(target_sigset_t)) { |
11282 | ret = -TARGET_EINVAL; | |
11283 | break; | |
11284 | } | |
11285 | ||
3b6edd16 PM |
11286 | target_set = lock_user(VERIFY_READ, arg5, |
11287 | sizeof(target_sigset_t), 1); | |
11288 | if (!target_set) { | |
04c95f4d PM |
11289 | ret = -TARGET_EFAULT; |
11290 | break; | |
3b6edd16 PM |
11291 | } |
11292 | target_to_host_sigset(set, target_set); | |
11293 | unlock_user(target_set, arg5, 0); | |
11294 | } else { | |
11295 | set = NULL; | |
11296 | } | |
11297 | ||
227f0214 PM |
11298 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
11299 | set, SIGSET_T_SIZE)); | |
3b6edd16 PM |
11300 | break; |
11301 | } | |
11302 | #endif | |
11303 | #if defined(TARGET_NR_epoll_wait) | |
11304 | case TARGET_NR_epoll_wait: | |
227f0214 PM |
11305 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
11306 | NULL, 0)); | |
3b6edd16 PM |
11307 | break; |
11308 | #endif | |
11309 | default: | |
11310 | ret = -TARGET_ENOSYS; | |
11311 | } | |
11312 | if (!is_error(ret)) { | |
11313 | int i; | |
11314 | for (i = 0; i < ret; i++) { | |
11315 | target_ep[i].events = tswap32(ep[i].events); | |
11316 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
11317 | } | |
04c95f4d PM |
11318 | unlock_user(target_ep, arg2, |
11319 | ret * sizeof(struct target_epoll_event)); | |
11320 | } else { | |
11321 | unlock_user(target_ep, arg2, 0); | |
3b6edd16 | 11322 | } |
04c95f4d | 11323 | g_free(ep); |
72eb7ea8 | 11324 | return ret; |
3b6edd16 PM |
11325 | } |
11326 | #endif | |
163a05a8 PM |
11327 | #endif |
11328 | #ifdef TARGET_NR_prlimit64 | |
11329 | case TARGET_NR_prlimit64: | |
11330 | { | |
11331 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
11332 | struct target_rlimit64 *target_rnew, *target_rold; | |
11333 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
95018018 | 11334 | int resource = target_to_host_resource(arg2); |
163a05a8 PM |
11335 | if (arg3) { |
11336 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { | |
2852aafd | 11337 | return -TARGET_EFAULT; |
163a05a8 PM |
11338 | } |
11339 | rnew.rlim_cur = tswap64(target_rnew->rlim_cur); | |
11340 | rnew.rlim_max = tswap64(target_rnew->rlim_max); | |
11341 | unlock_user_struct(target_rnew, arg3, 0); | |
11342 | rnewp = &rnew; | |
11343 | } | |
11344 | ||
95018018 | 11345 | ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0)); |
163a05a8 PM |
11346 | if (!is_error(ret) && arg4) { |
11347 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
2852aafd | 11348 | return -TARGET_EFAULT; |
163a05a8 PM |
11349 | } |
11350 | target_rold->rlim_cur = tswap64(rold.rlim_cur); | |
11351 | target_rold->rlim_max = tswap64(rold.rlim_max); | |
11352 | unlock_user_struct(target_rold, arg4, 1); | |
11353 | } | |
72eb7ea8 | 11354 | return ret; |
163a05a8 | 11355 | } |
3d21d29c RH |
11356 | #endif |
11357 | #ifdef TARGET_NR_gethostname | |
11358 | case TARGET_NR_gethostname: | |
11359 | { | |
11360 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
11361 | if (name) { | |
11362 | ret = get_errno(gethostname(name, arg2)); | |
11363 | unlock_user(name, arg1, arg2); | |
11364 | } else { | |
11365 | ret = -TARGET_EFAULT; | |
11366 | } | |
72eb7ea8 | 11367 | return ret; |
3d21d29c | 11368 | } |
89aaf1a6 RV |
11369 | #endif |
11370 | #ifdef TARGET_NR_atomic_cmpxchg_32 | |
11371 | case TARGET_NR_atomic_cmpxchg_32: | |
11372 | { | |
11373 | /* should use start_exclusive from main.c */ | |
11374 | abi_ulong mem_value; | |
11375 | if (get_user_u32(mem_value, arg6)) { | |
11376 | target_siginfo_t info; | |
11377 | info.si_signo = SIGSEGV; | |
11378 | info.si_errno = 0; | |
11379 | info.si_code = TARGET_SEGV_MAPERR; | |
11380 | info._sifields._sigfault._addr = arg6; | |
9d2803f7 PM |
11381 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
11382 | QEMU_SI_FAULT, &info); | |
89aaf1a6 RV |
11383 | ret = 0xdeadbeef; |
11384 | ||
11385 | } | |
11386 | if (mem_value == arg2) | |
11387 | put_user_u32(arg1, arg6); | |
72eb7ea8 | 11388 | return mem_value; |
89aaf1a6 RV |
11389 | } |
11390 | #endif | |
11391 | #ifdef TARGET_NR_atomic_barrier | |
11392 | case TARGET_NR_atomic_barrier: | |
72eb7ea8 RH |
11393 | /* Like the kernel implementation and the |
11394 | qemu arm barrier, no-op this? */ | |
11395 | return 0; | |
d0927938 | 11396 | #endif |
f4f1e10a ECL |
11397 | |
11398 | #ifdef TARGET_NR_timer_create | |
11399 | case TARGET_NR_timer_create: | |
11400 | { | |
11401 | /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */ | |
11402 | ||
11403 | struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL; | |
f4f1e10a ECL |
11404 | |
11405 | int clkid = arg1; | |
11406 | int timer_index = next_free_host_timer(); | |
11407 | ||
11408 | if (timer_index < 0) { | |
11409 | ret = -TARGET_EAGAIN; | |
11410 | } else { | |
11411 | timer_t *phtimer = g_posix_timers + timer_index; | |
11412 | ||
11413 | if (arg2) { | |
f4f1e10a | 11414 | phost_sevp = &host_sevp; |
c065976f PM |
11415 | ret = target_to_host_sigevent(phost_sevp, arg2); |
11416 | if (ret != 0) { | |
72eb7ea8 | 11417 | return ret; |
c065976f | 11418 | } |
f4f1e10a ECL |
11419 | } |
11420 | ||
11421 | ret = get_errno(timer_create(clkid, phost_sevp, phtimer)); | |
11422 | if (ret) { | |
11423 | phtimer = NULL; | |
11424 | } else { | |
aecc8861 | 11425 | if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { |
2852aafd | 11426 | return -TARGET_EFAULT; |
f4f1e10a | 11427 | } |
f4f1e10a ECL |
11428 | } |
11429 | } | |
72eb7ea8 | 11430 | return ret; |
f4f1e10a ECL |
11431 | } |
11432 | #endif | |
11433 | ||
11434 | #ifdef TARGET_NR_timer_settime | |
11435 | case TARGET_NR_timer_settime: | |
11436 | { | |
11437 | /* args: timer_t timerid, int flags, const struct itimerspec *new_value, | |
11438 | * struct itimerspec * old_value */ | |
aecc8861 | 11439 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 11440 | |
aecc8861 AG |
11441 | if (timerid < 0) { |
11442 | ret = timerid; | |
11443 | } else if (arg3 == 0) { | |
f4f1e10a ECL |
11444 | ret = -TARGET_EINVAL; |
11445 | } else { | |
e52a99f7 | 11446 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
11447 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; |
11448 | ||
40c80b5e | 11449 | if (target_to_host_itimerspec(&hspec_new, arg3)) { |
2852aafd | 11450 | return -TARGET_EFAULT; |
40c80b5e | 11451 | } |
f4f1e10a ECL |
11452 | ret = get_errno( |
11453 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
40c80b5e | 11454 | if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) { |
2852aafd | 11455 | return -TARGET_EFAULT; |
40c80b5e | 11456 | } |
f4f1e10a | 11457 | } |
72eb7ea8 | 11458 | return ret; |
f4f1e10a ECL |
11459 | } |
11460 | #endif | |
11461 | ||
11462 | #ifdef TARGET_NR_timer_gettime | |
11463 | case TARGET_NR_timer_gettime: | |
11464 | { | |
11465 | /* args: timer_t timerid, struct itimerspec *curr_value */ | |
aecc8861 | 11466 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 11467 | |
aecc8861 AG |
11468 | if (timerid < 0) { |
11469 | ret = timerid; | |
11470 | } else if (!arg2) { | |
11471 | ret = -TARGET_EFAULT; | |
f4f1e10a | 11472 | } else { |
e52a99f7 | 11473 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
11474 | struct itimerspec hspec; |
11475 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
11476 | ||
11477 | if (host_to_target_itimerspec(arg2, &hspec)) { | |
11478 | ret = -TARGET_EFAULT; | |
11479 | } | |
11480 | } | |
72eb7ea8 | 11481 | return ret; |
f4f1e10a ECL |
11482 | } |
11483 | #endif | |
11484 | ||
11485 | #ifdef TARGET_NR_timer_getoverrun | |
11486 | case TARGET_NR_timer_getoverrun: | |
11487 | { | |
11488 | /* args: timer_t timerid */ | |
aecc8861 | 11489 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 11490 | |
aecc8861 AG |
11491 | if (timerid < 0) { |
11492 | ret = timerid; | |
f4f1e10a | 11493 | } else { |
e52a99f7 | 11494 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
11495 | ret = get_errno(timer_getoverrun(htimer)); |
11496 | } | |
e36800c9 | 11497 | fd_trans_unregister(ret); |
72eb7ea8 | 11498 | return ret; |
f4f1e10a ECL |
11499 | } |
11500 | #endif | |
11501 | ||
11502 | #ifdef TARGET_NR_timer_delete | |
11503 | case TARGET_NR_timer_delete: | |
11504 | { | |
11505 | /* args: timer_t timerid */ | |
aecc8861 | 11506 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 11507 | |
aecc8861 AG |
11508 | if (timerid < 0) { |
11509 | ret = timerid; | |
f4f1e10a | 11510 | } else { |
e52a99f7 | 11511 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a | 11512 | ret = get_errno(timer_delete(htimer)); |
e52a99f7 | 11513 | g_posix_timers[timerid] = 0; |
f4f1e10a | 11514 | } |
72eb7ea8 | 11515 | return ret; |
f4f1e10a ECL |
11516 | } |
11517 | #endif | |
11518 | ||
51834341 RV |
11519 | #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) |
11520 | case TARGET_NR_timerfd_create: | |
72eb7ea8 RH |
11521 | return get_errno(timerfd_create(arg1, |
11522 | target_to_host_bitmask(arg2, fcntl_flags_tbl))); | |
51834341 RV |
11523 | #endif |
11524 | ||
11525 | #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) | |
11526 | case TARGET_NR_timerfd_gettime: | |
11527 | { | |
11528 | struct itimerspec its_curr; | |
11529 | ||
11530 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
11531 | ||
11532 | if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { | |
2852aafd | 11533 | return -TARGET_EFAULT; |
51834341 RV |
11534 | } |
11535 | } | |
72eb7ea8 | 11536 | return ret; |
51834341 RV |
11537 | #endif |
11538 | ||
11539 | #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) | |
11540 | case TARGET_NR_timerfd_settime: | |
11541 | { | |
11542 | struct itimerspec its_new, its_old, *p_new; | |
11543 | ||
11544 | if (arg3) { | |
11545 | if (target_to_host_itimerspec(&its_new, arg3)) { | |
2852aafd | 11546 | return -TARGET_EFAULT; |
51834341 RV |
11547 | } |
11548 | p_new = &its_new; | |
11549 | } else { | |
11550 | p_new = NULL; | |
11551 | } | |
11552 | ||
11553 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
11554 | ||
11555 | if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { | |
2852aafd | 11556 | return -TARGET_EFAULT; |
51834341 RV |
11557 | } |
11558 | } | |
72eb7ea8 | 11559 | return ret; |
51834341 RV |
11560 | #endif |
11561 | ||
ab31cda3 PB |
11562 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
11563 | case TARGET_NR_ioprio_get: | |
72eb7ea8 | 11564 | return get_errno(ioprio_get(arg1, arg2)); |
ab31cda3 PB |
11565 | #endif |
11566 | ||
11567 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
11568 | case TARGET_NR_ioprio_set: | |
72eb7ea8 | 11569 | return get_errno(ioprio_set(arg1, arg2, arg3)); |
ab31cda3 PB |
11570 | #endif |
11571 | ||
9af5c906 RV |
11572 | #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) |
11573 | case TARGET_NR_setns: | |
72eb7ea8 | 11574 | return get_errno(setns(arg1, arg2)); |
9af5c906 RV |
11575 | #endif |
11576 | #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) | |
11577 | case TARGET_NR_unshare: | |
72eb7ea8 | 11578 | return get_errno(unshare(arg1)); |
9af5c906 | 11579 | #endif |
2f14788c LV |
11580 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
11581 | case TARGET_NR_kcmp: | |
72eb7ea8 | 11582 | return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); |
2f14788c | 11583 | #endif |
fa97e38e RH |
11584 | #ifdef TARGET_NR_swapcontext |
11585 | case TARGET_NR_swapcontext: | |
11586 | /* PowerPC specific. */ | |
72eb7ea8 | 11587 | return do_swapcontext(cpu_env, arg1, arg2, arg3); |
fa97e38e | 11588 | #endif |
9af5c906 | 11589 | |
31e31b8a | 11590 | default: |
122f9c83 | 11591 | qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); |
72eb7ea8 | 11592 | return -TARGET_ENOSYS; |
31e31b8a | 11593 | } |
31e31b8a FB |
11594 | return ret; |
11595 | } | |
dc1ce18b RH |
11596 | |
11597 | abi_long do_syscall(void *cpu_env, int num, abi_long arg1, | |
11598 | abi_long arg2, abi_long arg3, abi_long arg4, | |
11599 | abi_long arg5, abi_long arg6, abi_long arg7, | |
11600 | abi_long arg8) | |
11601 | { | |
11602 | CPUState *cpu = ENV_GET_CPU(cpu_env); | |
11603 | abi_long ret; | |
11604 | ||
11605 | #ifdef DEBUG_ERESTARTSYS | |
11606 | /* Debug-only code for exercising the syscall-restart code paths | |
11607 | * in the per-architecture cpu main loops: restart every syscall | |
11608 | * the guest makes once before letting it through. | |
11609 | */ | |
11610 | { | |
11611 | static bool flag; | |
11612 | flag = !flag; | |
11613 | if (flag) { | |
11614 | return -TARGET_ERESTARTSYS; | |
11615 | } | |
11616 | } | |
11617 | #endif | |
11618 | ||
11619 | trace_guest_user_syscall(cpu, num, arg1, arg2, arg3, arg4, | |
11620 | arg5, arg6, arg7, arg8); | |
11621 | ||
11622 | if (unlikely(do_strace)) { | |
11623 | print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); | |
11624 | ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4, | |
11625 | arg5, arg6, arg7, arg8); | |
11626 | print_syscall_ret(num, ret); | |
11627 | } else { | |
11628 | ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4, | |
11629 | arg5, arg6, arg7, arg8); | |
11630 | } | |
11631 | ||
11632 | trace_guest_user_syscall_ret(cpu, num, ret); | |
11633 | return ret; | |
11634 | } |