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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> |
60e99246 AJ |
39 | #ifdef __ia64__ |
40 | int __clone2(int (*fn)(void *), void *child_stack_base, | |
41 | size_t stack_size, int flags, void *arg, ...); | |
42 | #endif | |
31e31b8a | 43 | #include <sys/socket.h> |
607175e0 | 44 | #include <sys/un.h> |
31e31b8a | 45 | #include <sys/uio.h> |
0839f11c | 46 | #include <poll.h> |
32f36bce | 47 | #include <sys/times.h> |
8853f86e | 48 | #include <sys/shm.h> |
fa294816 | 49 | #include <sys/sem.h> |
56c8f68f | 50 | #include <sys/statfs.h> |
38860a03 | 51 | #include <time.h> |
ebc05488 | 52 | #include <utime.h> |
a5448a7d | 53 | #include <sys/sysinfo.h> |
e36800c9 | 54 | #include <sys/signalfd.h> |
72f03900 | 55 | //#include <sys/user.h> |
8853f86e | 56 | #include <netinet/ip.h> |
7854b056 | 57 | #include <netinet/tcp.h> |
86fcd946 | 58 | #include <linux/wireless.h> |
920394db | 59 | #include <linux/icmp.h> |
5a61cb60 | 60 | #include "qemu-common.h" |
d80a1905 RV |
61 | #ifdef CONFIG_TIMERFD |
62 | #include <sys/timerfd.h> | |
63 | #endif | |
9788c9ca | 64 | #ifdef TARGET_GPROF |
6d946cda AJ |
65 | #include <sys/gmon.h> |
66 | #endif | |
c2882b96 RV |
67 | #ifdef CONFIG_EVENTFD |
68 | #include <sys/eventfd.h> | |
69 | #endif | |
3b6edd16 PM |
70 | #ifdef CONFIG_EPOLL |
71 | #include <sys/epoll.h> | |
72 | #endif | |
a790ae38 | 73 | #ifdef CONFIG_ATTR |
1de7afc9 | 74 | #include "qemu/xattr.h" |
a790ae38 | 75 | #endif |
a8fd1aba PM |
76 | #ifdef CONFIG_SENDFILE |
77 | #include <sys/sendfile.h> | |
78 | #endif | |
31e31b8a FB |
79 | |
80 | #define termios host_termios | |
81 | #define winsize host_winsize | |
82 | #define termio host_termio | |
04369ff2 FB |
83 | #define sgttyb host_sgttyb /* same as target */ |
84 | #define tchars host_tchars /* same as target */ | |
85 | #define ltchars host_ltchars /* same as target */ | |
31e31b8a FB |
86 | |
87 | #include <linux/termios.h> | |
88 | #include <linux/unistd.h> | |
31e31b8a FB |
89 | #include <linux/cdrom.h> |
90 | #include <linux/hdreg.h> | |
91 | #include <linux/soundcard.h> | |
19b84f3c | 92 | #include <linux/kd.h> |
8fbd6b52 | 93 | #include <linux/mtio.h> |
350d1779 | 94 | #include <linux/fs.h> |
dace20dc | 95 | #if defined(CONFIG_FIEMAP) |
285da2b9 | 96 | #include <linux/fiemap.h> |
dace20dc | 97 | #endif |
f7680a55 UH |
98 | #include <linux/fb.h> |
99 | #include <linux/vt.h> | |
56e904ec | 100 | #include <linux/dm-ioctl.h> |
c07ecc68 | 101 | #include <linux/reboot.h> |
7ff7b666 | 102 | #include <linux/route.h> |
f57d4192 | 103 | #include <linux/filter.h> |
fff8c539 | 104 | #include <linux/blkpg.h> |
a82ea939 | 105 | #include <netpacket/packet.h> |
6c5b5645 | 106 | #include <linux/netlink.h> |
575b22b1 | 107 | #ifdef CONFIG_RTNETLINK |
6c5b5645 | 108 | #include <linux/rtnetlink.h> |
c5dff280 | 109 | #include <linux/if_bridge.h> |
575b22b1 | 110 | #endif |
5ce9bb59 | 111 | #include <linux/audit.h> |
d7e4036e | 112 | #include "linux_loop.h" |
18cb0088 | 113 | #include "uname.h" |
31e31b8a | 114 | |
3ef693a0 | 115 | #include "qemu.h" |
31e31b8a | 116 | |
5ea2fc84 PM |
117 | #ifndef CLONE_IO |
118 | #define CLONE_IO 0x80000000 /* Clone io context */ | |
119 | #endif | |
120 | ||
121 | /* We can't directly call the host clone syscall, because this will | |
122 | * badly confuse libc (breaking mutexes, for example). So we must | |
123 | * divide clone flags into: | |
124 | * * flag combinations that look like pthread_create() | |
125 | * * flag combinations that look like fork() | |
126 | * * flags we can implement within QEMU itself | |
127 | * * flags we can't support and will return an error for | |
128 | */ | |
129 | /* For thread creation, all these flags must be present; for | |
130 | * fork, none must be present. | |
131 | */ | |
132 | #define CLONE_THREAD_FLAGS \ | |
133 | (CLONE_VM | CLONE_FS | CLONE_FILES | \ | |
134 | CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM) | |
135 | ||
136 | /* These flags are ignored: | |
137 | * CLONE_DETACHED is now ignored by the kernel; | |
138 | * CLONE_IO is just an optimisation hint to the I/O scheduler | |
139 | */ | |
140 | #define CLONE_IGNORED_FLAGS \ | |
141 | (CLONE_DETACHED | CLONE_IO) | |
142 | ||
143 | /* Flags for fork which we can implement within QEMU itself */ | |
144 | #define CLONE_OPTIONAL_FORK_FLAGS \ | |
145 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
146 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID) | |
147 | ||
148 | /* Flags for thread creation which we can implement within QEMU itself */ | |
149 | #define CLONE_OPTIONAL_THREAD_FLAGS \ | |
150 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
151 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT) | |
152 | ||
153 | #define CLONE_INVALID_FORK_FLAGS \ | |
154 | (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS)) | |
155 | ||
156 | #define CLONE_INVALID_THREAD_FLAGS \ | |
157 | (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \ | |
158 | CLONE_IGNORED_FLAGS)) | |
159 | ||
160 | /* CLONE_VFORK is special cased early in do_fork(). The other flag bits | |
161 | * have almost all been allocated. We cannot support any of | |
162 | * CLONE_NEWNS, CLONE_NEWCGROUP, CLONE_NEWUTS, CLONE_NEWIPC, | |
163 | * CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_PTRACE, CLONE_UNTRACED. | |
164 | * The checks against the invalid thread masks above will catch these. | |
165 | * (The one remaining unallocated bit is 0x1000 which used to be CLONE_PID.) | |
166 | */ | |
30813cea | 167 | |
72f03900 | 168 | //#define DEBUG |
71a8f7fe TB |
169 | /* Define DEBUG_ERESTARTSYS to force every syscall to be restarted |
170 | * once. This exercises the codepaths for restart. | |
171 | */ | |
172 | //#define DEBUG_ERESTARTSYS | |
31e31b8a | 173 | |
1a9353d2 | 174 | //#include <linux/msdos_fs.h> |
6556a833 AJ |
175 | #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
176 | #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) | |
1a9353d2 | 177 | |
70a194b9 FB |
178 | #undef _syscall0 |
179 | #undef _syscall1 | |
180 | #undef _syscall2 | |
181 | #undef _syscall3 | |
182 | #undef _syscall4 | |
183 | #undef _syscall5 | |
83fcb515 | 184 | #undef _syscall6 |
70a194b9 | 185 | |
83fcb515 | 186 | #define _syscall0(type,name) \ |
8fcd3692 | 187 | static type name (void) \ |
83fcb515 FB |
188 | { \ |
189 | return syscall(__NR_##name); \ | |
190 | } | |
70a194b9 | 191 | |
83fcb515 | 192 | #define _syscall1(type,name,type1,arg1) \ |
8fcd3692 | 193 | static type name (type1 arg1) \ |
83fcb515 FB |
194 | { \ |
195 | return syscall(__NR_##name, arg1); \ | |
70a194b9 FB |
196 | } |
197 | ||
83fcb515 | 198 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
8fcd3692 | 199 | static type name (type1 arg1,type2 arg2) \ |
83fcb515 FB |
200 | { \ |
201 | return syscall(__NR_##name, arg1, arg2); \ | |
70a194b9 FB |
202 | } |
203 | ||
83fcb515 | 204 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
8fcd3692 | 205 | static type name (type1 arg1,type2 arg2,type3 arg3) \ |
83fcb515 FB |
206 | { \ |
207 | return syscall(__NR_##name, arg1, arg2, arg3); \ | |
70a194b9 FB |
208 | } |
209 | ||
83fcb515 | 210 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
8fcd3692 | 211 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
83fcb515 FB |
212 | { \ |
213 | return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
70a194b9 FB |
214 | } |
215 | ||
83fcb515 FB |
216 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
217 | type5,arg5) \ | |
8fcd3692 | 218 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
83fcb515 FB |
219 | { \ |
220 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
70a194b9 FB |
221 | } |
222 | ||
83fcb515 FB |
223 | |
224 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ | |
225 | type5,arg5,type6,arg6) \ | |
8fcd3692 BS |
226 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ |
227 | type6 arg6) \ | |
83fcb515 FB |
228 | { \ |
229 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
70a194b9 | 230 | } |
83fcb515 | 231 | |
70a194b9 | 232 | |
31e31b8a | 233 | #define __NR_sys_uname __NR_uname |
72f03900 | 234 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 235 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 236 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 237 | #define __NR_sys_getpriority __NR_getpriority |
66fb9763 | 238 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
7494b0f9 | 239 | #define __NR_sys_syslog __NR_syslog |
bd0c5661 | 240 | #define __NR_sys_futex __NR_futex |
39b59763 AJ |
241 | #define __NR_sys_inotify_init __NR_inotify_init |
242 | #define __NR_sys_inotify_add_watch __NR_inotify_add_watch | |
243 | #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch | |
31e31b8a | 244 | |
42a39fbe AG |
245 | #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \ |
246 | defined(__s390x__) | |
9af9eaaa FB |
247 | #define __NR__llseek __NR_lseek |
248 | #endif | |
249 | ||
a29e5ba2 JH |
250 | /* Newer kernel ports have llseek() instead of _llseek() */ |
251 | #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek) | |
252 | #define TARGET_NR__llseek TARGET_NR_llseek | |
253 | #endif | |
254 | ||
72f03900 | 255 | #ifdef __NR_gettid |
31e31b8a | 256 | _syscall0(int, gettid) |
72f03900 | 257 | #else |
0da46a6e TS |
258 | /* This is a replacement for the host gettid() and must return a host |
259 | errno. */ | |
72f03900 FB |
260 | static int gettid(void) { |
261 | return -ENOSYS; | |
262 | } | |
263 | #endif | |
704eff6c | 264 | #if defined(TARGET_NR_getdents) && defined(__NR_getdents) |
3b3f24ad | 265 | _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
3307e236 PM |
266 | #endif |
267 | #if !defined(__NR_getdents) || \ | |
268 | (defined(TARGET_NR_getdents64) && defined(__NR_getdents64)) | |
3b3f24ad AJ |
269 | _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
270 | #endif | |
d35b261c | 271 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
3b3f24ad AJ |
272 | _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
273 | loff_t *, res, uint, wh); | |
274 | #endif | |
275 | _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) | |
276 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) | |
3b3f24ad AJ |
277 | #ifdef __NR_exit_group |
278 | _syscall1(int,exit_group,int,error_code) | |
279 | #endif | |
280 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) | |
281 | _syscall1(int,set_tid_address,int *,tidptr) | |
282 | #endif | |
3b3f24ad AJ |
283 | #if defined(TARGET_NR_futex) && defined(__NR_futex) |
284 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, | |
285 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
286 | #endif | |
737de1d1 MF |
287 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
288 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
289 | unsigned long *, user_mask_ptr); | |
290 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
291 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
292 | unsigned long *, user_mask_ptr); | |
0f6b4d21 AG |
293 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
294 | void *, arg); | |
e0eb210e PM |
295 | _syscall2(int, capget, struct __user_cap_header_struct *, header, |
296 | struct __user_cap_data_struct *, data); | |
297 | _syscall2(int, capset, struct __user_cap_header_struct *, header, | |
298 | struct __user_cap_data_struct *, data); | |
ab31cda3 PB |
299 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
300 | _syscall2(int, ioprio_get, int, which, int, who) | |
301 | #endif | |
302 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
303 | _syscall3(int, ioprio_set, int, which, int, who, int, ioprio) | |
304 | #endif | |
f894efd1 LV |
305 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
306 | _syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags) | |
307 | #endif | |
3b3f24ad | 308 | |
2f14788c LV |
309 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
310 | _syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type, | |
311 | unsigned long, idx1, unsigned long, idx2) | |
312 | #endif | |
313 | ||
3b3f24ad AJ |
314 | static bitmask_transtbl fcntl_flags_tbl[] = { |
315 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, | |
316 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
317 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
318 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
319 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
320 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
321 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
322 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 323 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
324 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
325 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
326 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
327 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
328 | #if defined(O_DIRECT) |
329 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
330 | #endif |
331 | #if defined(O_NOATIME) | |
332 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
333 | #endif | |
334 | #if defined(O_CLOEXEC) | |
335 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
336 | #endif | |
337 | #if defined(O_PATH) | |
338 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
339 | #endif | |
340 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
341 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
342 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad AJ |
343 | #endif |
344 | { 0, 0, 0, 0 } | |
345 | }; | |
346 | ||
60c6b790 MP |
347 | enum { |
348 | QEMU_IFLA_BR_UNSPEC, | |
349 | QEMU_IFLA_BR_FORWARD_DELAY, | |
350 | QEMU_IFLA_BR_HELLO_TIME, | |
351 | QEMU_IFLA_BR_MAX_AGE, | |
352 | QEMU_IFLA_BR_AGEING_TIME, | |
353 | QEMU_IFLA_BR_STP_STATE, | |
354 | QEMU_IFLA_BR_PRIORITY, | |
355 | QEMU_IFLA_BR_VLAN_FILTERING, | |
356 | QEMU_IFLA_BR_VLAN_PROTOCOL, | |
357 | QEMU_IFLA_BR_GROUP_FWD_MASK, | |
358 | QEMU_IFLA_BR_ROOT_ID, | |
359 | QEMU_IFLA_BR_BRIDGE_ID, | |
360 | QEMU_IFLA_BR_ROOT_PORT, | |
361 | QEMU_IFLA_BR_ROOT_PATH_COST, | |
362 | QEMU_IFLA_BR_TOPOLOGY_CHANGE, | |
363 | QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED, | |
364 | QEMU_IFLA_BR_HELLO_TIMER, | |
365 | QEMU_IFLA_BR_TCN_TIMER, | |
366 | QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER, | |
367 | QEMU_IFLA_BR_GC_TIMER, | |
368 | QEMU_IFLA_BR_GROUP_ADDR, | |
369 | QEMU_IFLA_BR_FDB_FLUSH, | |
370 | QEMU_IFLA_BR_MCAST_ROUTER, | |
371 | QEMU_IFLA_BR_MCAST_SNOOPING, | |
372 | QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR, | |
373 | QEMU_IFLA_BR_MCAST_QUERIER, | |
374 | QEMU_IFLA_BR_MCAST_HASH_ELASTICITY, | |
375 | QEMU_IFLA_BR_MCAST_HASH_MAX, | |
376 | QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT, | |
377 | QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT, | |
378 | QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL, | |
379 | QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL, | |
380 | QEMU_IFLA_BR_MCAST_QUERIER_INTVL, | |
381 | QEMU_IFLA_BR_MCAST_QUERY_INTVL, | |
382 | QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, | |
383 | QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL, | |
384 | QEMU_IFLA_BR_NF_CALL_IPTABLES, | |
385 | QEMU_IFLA_BR_NF_CALL_IP6TABLES, | |
386 | QEMU_IFLA_BR_NF_CALL_ARPTABLES, | |
387 | QEMU_IFLA_BR_VLAN_DEFAULT_PVID, | |
388 | QEMU_IFLA_BR_PAD, | |
389 | QEMU_IFLA_BR_VLAN_STATS_ENABLED, | |
390 | QEMU_IFLA_BR_MCAST_STATS_ENABLED, | |
391 | QEMU___IFLA_BR_MAX, | |
392 | }; | |
393 | ||
394 | enum { | |
395 | QEMU_IFLA_UNSPEC, | |
396 | QEMU_IFLA_ADDRESS, | |
397 | QEMU_IFLA_BROADCAST, | |
398 | QEMU_IFLA_IFNAME, | |
399 | QEMU_IFLA_MTU, | |
400 | QEMU_IFLA_LINK, | |
401 | QEMU_IFLA_QDISC, | |
402 | QEMU_IFLA_STATS, | |
403 | QEMU_IFLA_COST, | |
404 | QEMU_IFLA_PRIORITY, | |
405 | QEMU_IFLA_MASTER, | |
406 | QEMU_IFLA_WIRELESS, | |
407 | QEMU_IFLA_PROTINFO, | |
408 | QEMU_IFLA_TXQLEN, | |
409 | QEMU_IFLA_MAP, | |
410 | QEMU_IFLA_WEIGHT, | |
411 | QEMU_IFLA_OPERSTATE, | |
412 | QEMU_IFLA_LINKMODE, | |
413 | QEMU_IFLA_LINKINFO, | |
414 | QEMU_IFLA_NET_NS_PID, | |
415 | QEMU_IFLA_IFALIAS, | |
416 | QEMU_IFLA_NUM_VF, | |
417 | QEMU_IFLA_VFINFO_LIST, | |
418 | QEMU_IFLA_STATS64, | |
419 | QEMU_IFLA_VF_PORTS, | |
420 | QEMU_IFLA_PORT_SELF, | |
421 | QEMU_IFLA_AF_SPEC, | |
422 | QEMU_IFLA_GROUP, | |
423 | QEMU_IFLA_NET_NS_FD, | |
424 | QEMU_IFLA_EXT_MASK, | |
425 | QEMU_IFLA_PROMISCUITY, | |
426 | QEMU_IFLA_NUM_TX_QUEUES, | |
427 | QEMU_IFLA_NUM_RX_QUEUES, | |
428 | QEMU_IFLA_CARRIER, | |
429 | QEMU_IFLA_PHYS_PORT_ID, | |
430 | QEMU_IFLA_CARRIER_CHANGES, | |
431 | QEMU_IFLA_PHYS_SWITCH_ID, | |
432 | QEMU_IFLA_LINK_NETNSID, | |
433 | QEMU_IFLA_PHYS_PORT_NAME, | |
434 | QEMU_IFLA_PROTO_DOWN, | |
435 | QEMU_IFLA_GSO_MAX_SEGS, | |
436 | QEMU_IFLA_GSO_MAX_SIZE, | |
437 | QEMU_IFLA_PAD, | |
438 | QEMU_IFLA_XDP, | |
439 | QEMU___IFLA_MAX | |
440 | }; | |
441 | ||
442 | enum { | |
443 | QEMU_IFLA_BRPORT_UNSPEC, | |
444 | QEMU_IFLA_BRPORT_STATE, | |
445 | QEMU_IFLA_BRPORT_PRIORITY, | |
446 | QEMU_IFLA_BRPORT_COST, | |
447 | QEMU_IFLA_BRPORT_MODE, | |
448 | QEMU_IFLA_BRPORT_GUARD, | |
449 | QEMU_IFLA_BRPORT_PROTECT, | |
450 | QEMU_IFLA_BRPORT_FAST_LEAVE, | |
451 | QEMU_IFLA_BRPORT_LEARNING, | |
452 | QEMU_IFLA_BRPORT_UNICAST_FLOOD, | |
453 | QEMU_IFLA_BRPORT_PROXYARP, | |
454 | QEMU_IFLA_BRPORT_LEARNING_SYNC, | |
455 | QEMU_IFLA_BRPORT_PROXYARP_WIFI, | |
456 | QEMU_IFLA_BRPORT_ROOT_ID, | |
457 | QEMU_IFLA_BRPORT_BRIDGE_ID, | |
458 | QEMU_IFLA_BRPORT_DESIGNATED_PORT, | |
459 | QEMU_IFLA_BRPORT_DESIGNATED_COST, | |
460 | QEMU_IFLA_BRPORT_ID, | |
461 | QEMU_IFLA_BRPORT_NO, | |
462 | QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK, | |
463 | QEMU_IFLA_BRPORT_CONFIG_PENDING, | |
464 | QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER, | |
465 | QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER, | |
466 | QEMU_IFLA_BRPORT_HOLD_TIMER, | |
467 | QEMU_IFLA_BRPORT_FLUSH, | |
468 | QEMU_IFLA_BRPORT_MULTICAST_ROUTER, | |
469 | QEMU_IFLA_BRPORT_PAD, | |
470 | QEMU___IFLA_BRPORT_MAX | |
471 | }; | |
472 | ||
473 | enum { | |
474 | QEMU_IFLA_INFO_UNSPEC, | |
475 | QEMU_IFLA_INFO_KIND, | |
476 | QEMU_IFLA_INFO_DATA, | |
477 | QEMU_IFLA_INFO_XSTATS, | |
478 | QEMU_IFLA_INFO_SLAVE_KIND, | |
479 | QEMU_IFLA_INFO_SLAVE_DATA, | |
480 | QEMU___IFLA_INFO_MAX, | |
481 | }; | |
482 | ||
483 | enum { | |
484 | QEMU_IFLA_INET_UNSPEC, | |
485 | QEMU_IFLA_INET_CONF, | |
486 | QEMU___IFLA_INET_MAX, | |
487 | }; | |
488 | ||
489 | enum { | |
490 | QEMU_IFLA_INET6_UNSPEC, | |
491 | QEMU_IFLA_INET6_FLAGS, | |
492 | QEMU_IFLA_INET6_CONF, | |
493 | QEMU_IFLA_INET6_STATS, | |
494 | QEMU_IFLA_INET6_MCAST, | |
495 | QEMU_IFLA_INET6_CACHEINFO, | |
496 | QEMU_IFLA_INET6_ICMP6STATS, | |
497 | QEMU_IFLA_INET6_TOKEN, | |
498 | QEMU_IFLA_INET6_ADDR_GEN_MODE, | |
499 | QEMU___IFLA_INET6_MAX | |
500 | }; | |
501 | ||
5d4d3665 | 502 | typedef abi_long (*TargetFdDataFunc)(void *, size_t); |
7b36f782 | 503 | typedef abi_long (*TargetFdAddrFunc)(void *, abi_ulong, socklen_t); |
e36800c9 | 504 | typedef struct TargetFdTrans { |
5d4d3665 LV |
505 | TargetFdDataFunc host_to_target_data; |
506 | TargetFdDataFunc target_to_host_data; | |
7b36f782 | 507 | TargetFdAddrFunc target_to_host_addr; |
e36800c9 LV |
508 | } TargetFdTrans; |
509 | ||
510 | static TargetFdTrans **target_fd_trans; | |
511 | ||
512 | static unsigned int target_fd_max; | |
513 | ||
6c5b5645 LV |
514 | static TargetFdDataFunc fd_trans_target_to_host_data(int fd) |
515 | { | |
516 | if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) { | |
517 | return target_fd_trans[fd]->target_to_host_data; | |
518 | } | |
519 | return NULL; | |
520 | } | |
521 | ||
5d4d3665 | 522 | static TargetFdDataFunc fd_trans_host_to_target_data(int fd) |
e36800c9 | 523 | { |
861d72cd | 524 | if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) { |
5d4d3665 | 525 | return target_fd_trans[fd]->host_to_target_data; |
e36800c9 LV |
526 | } |
527 | return NULL; | |
528 | } | |
529 | ||
7b36f782 LV |
530 | static TargetFdAddrFunc fd_trans_target_to_host_addr(int fd) |
531 | { | |
861d72cd | 532 | if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) { |
7b36f782 LV |
533 | return target_fd_trans[fd]->target_to_host_addr; |
534 | } | |
535 | return NULL; | |
536 | } | |
537 | ||
e36800c9 LV |
538 | static void fd_trans_register(int fd, TargetFdTrans *trans) |
539 | { | |
540 | unsigned int oldmax; | |
541 | ||
542 | if (fd >= target_fd_max) { | |
543 | oldmax = target_fd_max; | |
544 | target_fd_max = ((fd >> 6) + 1) << 6; /* by slice of 64 entries */ | |
5089c7ce LV |
545 | target_fd_trans = g_renew(TargetFdTrans *, |
546 | target_fd_trans, target_fd_max); | |
e36800c9 LV |
547 | memset((void *)(target_fd_trans + oldmax), 0, |
548 | (target_fd_max - oldmax) * sizeof(TargetFdTrans *)); | |
549 | } | |
550 | target_fd_trans[fd] = trans; | |
551 | } | |
552 | ||
553 | static void fd_trans_unregister(int fd) | |
554 | { | |
555 | if (fd >= 0 && fd < target_fd_max) { | |
556 | target_fd_trans[fd] = NULL; | |
557 | } | |
558 | } | |
559 | ||
560 | static void fd_trans_dup(int oldfd, int newfd) | |
561 | { | |
562 | fd_trans_unregister(newfd); | |
563 | if (oldfd < target_fd_max && target_fd_trans[oldfd]) { | |
564 | fd_trans_register(newfd, target_fd_trans[oldfd]); | |
565 | } | |
566 | } | |
567 | ||
3b3f24ad AJ |
568 | static int sys_getcwd1(char *buf, size_t size) |
569 | { | |
570 | if (getcwd(buf, size) == NULL) { | |
571 | /* getcwd() sets errno */ | |
572 | return (-1); | |
573 | } | |
aaf4ad39 | 574 | return strlen(buf)+1; |
3b3f24ad AJ |
575 | } |
576 | ||
1acae9f2 | 577 | #ifdef TARGET_NR_utimensat |
700fa58e | 578 | #if defined(__NR_utimensat) |
1acae9f2 | 579 | #define __NR_sys_utimensat __NR_utimensat |
9007f0ef TS |
580 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
581 | const struct timespec *,tsp,int,flags) | |
1acae9f2 PM |
582 | #else |
583 | static int sys_utimensat(int dirfd, const char *pathname, | |
584 | const struct timespec times[2], int flags) | |
585 | { | |
586 | errno = ENOSYS; | |
587 | return -1; | |
588 | } | |
9007f0ef | 589 | #endif |
1acae9f2 | 590 | #endif /* TARGET_NR_utimensat */ |
3b3f24ad AJ |
591 | |
592 | #ifdef CONFIG_INOTIFY | |
8690e420 | 593 | #include <sys/inotify.h> |
3b3f24ad | 594 | |
39b59763 | 595 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
3b3f24ad AJ |
596 | static int sys_inotify_init(void) |
597 | { | |
598 | return (inotify_init()); | |
599 | } | |
39b59763 AJ |
600 | #endif |
601 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) | |
3b3f24ad AJ |
602 | static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
603 | { | |
604 | return (inotify_add_watch(fd, pathname, mask)); | |
605 | } | |
39b59763 AJ |
606 | #endif |
607 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) | |
3b3f24ad AJ |
608 | static int sys_inotify_rm_watch(int fd, int32_t wd) |
609 | { | |
8690e420 | 610 | return (inotify_rm_watch(fd, wd)); |
3b3f24ad | 611 | } |
bd0c5661 | 612 | #endif |
c05c7a73 RV |
613 | #ifdef CONFIG_INOTIFY1 |
614 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) | |
615 | static int sys_inotify_init1(int flags) | |
616 | { | |
617 | return (inotify_init1(flags)); | |
618 | } | |
619 | #endif | |
620 | #endif | |
3b3f24ad AJ |
621 | #else |
622 | /* Userspace can usually survive runtime without inotify */ | |
623 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 624 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
625 | #undef TARGET_NR_inotify_add_watch |
626 | #undef TARGET_NR_inotify_rm_watch | |
627 | #endif /* CONFIG_INOTIFY */ | |
628 | ||
163a05a8 PM |
629 | #if defined(TARGET_NR_prlimit64) |
630 | #ifndef __NR_prlimit64 | |
631 | # define __NR_prlimit64 -1 | |
632 | #endif | |
633 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
634 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
635 | struct host_rlimit64 { | |
636 | uint64_t rlim_cur; | |
637 | uint64_t rlim_max; | |
638 | }; | |
639 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
640 | const struct host_rlimit64 *, new_limit, | |
641 | struct host_rlimit64 *, old_limit) | |
642 | #endif | |
643 | ||
f4f1e10a ECL |
644 | |
645 | #if defined(TARGET_NR_timer_create) | |
646 | /* Maxiumum of 32 active POSIX timers allowed at any one time. */ | |
647 | static timer_t g_posix_timers[32] = { 0, } ; | |
648 | ||
649 | static inline int next_free_host_timer(void) | |
650 | { | |
651 | int k ; | |
652 | /* FIXME: Does finding the next free slot require a lock? */ | |
653 | for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) { | |
654 | if (g_posix_timers[k] == 0) { | |
655 | g_posix_timers[k] = (timer_t) 1; | |
656 | return k; | |
657 | } | |
658 | } | |
659 | return -1; | |
660 | } | |
661 | #endif | |
662 | ||
48e515d4 | 663 | /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */ |
4a1def4e | 664 | #ifdef TARGET_ARM |
48e515d4 RV |
665 | static inline int regpairs_aligned(void *cpu_env) { |
666 | return ((((CPUARMState *)cpu_env)->eabi) == 1) ; | |
667 | } | |
d7779acb | 668 | #elif defined(TARGET_MIPS) && (TARGET_ABI_BITS == 32) |
48e515d4 | 669 | static inline int regpairs_aligned(void *cpu_env) { return 1; } |
4a1def4e AG |
670 | #elif defined(TARGET_PPC) && !defined(TARGET_PPC64) |
671 | /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs | |
672 | * of registers which translates to the same as ARM/MIPS, because we start with | |
673 | * r3 as arg1 */ | |
674 | static inline int regpairs_aligned(void *cpu_env) { return 1; } | |
48e515d4 RV |
675 | #else |
676 | static inline int regpairs_aligned(void *cpu_env) { return 0; } | |
677 | #endif | |
678 | ||
b92c47c1 TS |
679 | #define ERRNO_TABLE_SIZE 1200 |
680 | ||
681 | /* target_to_host_errno_table[] is initialized from | |
682 | * host_to_target_errno_table[] in syscall_init(). */ | |
683 | static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { | |
684 | }; | |
685 | ||
637947f1 | 686 | /* |
fe8f096b | 687 | * This list is the union of errno values overridden in asm-<arch>/errno.h |
637947f1 TS |
688 | * minus the errnos that are not actually generic to all archs. |
689 | */ | |
b92c47c1 | 690 | static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { |
08703b9f | 691 | [EAGAIN] = TARGET_EAGAIN, |
637947f1 TS |
692 | [EIDRM] = TARGET_EIDRM, |
693 | [ECHRNG] = TARGET_ECHRNG, | |
694 | [EL2NSYNC] = TARGET_EL2NSYNC, | |
695 | [EL3HLT] = TARGET_EL3HLT, | |
696 | [EL3RST] = TARGET_EL3RST, | |
697 | [ELNRNG] = TARGET_ELNRNG, | |
698 | [EUNATCH] = TARGET_EUNATCH, | |
699 | [ENOCSI] = TARGET_ENOCSI, | |
700 | [EL2HLT] = TARGET_EL2HLT, | |
701 | [EDEADLK] = TARGET_EDEADLK, | |
702 | [ENOLCK] = TARGET_ENOLCK, | |
703 | [EBADE] = TARGET_EBADE, | |
704 | [EBADR] = TARGET_EBADR, | |
705 | [EXFULL] = TARGET_EXFULL, | |
706 | [ENOANO] = TARGET_ENOANO, | |
707 | [EBADRQC] = TARGET_EBADRQC, | |
708 | [EBADSLT] = TARGET_EBADSLT, | |
709 | [EBFONT] = TARGET_EBFONT, | |
710 | [ENOSTR] = TARGET_ENOSTR, | |
711 | [ENODATA] = TARGET_ENODATA, | |
712 | [ETIME] = TARGET_ETIME, | |
713 | [ENOSR] = TARGET_ENOSR, | |
714 | [ENONET] = TARGET_ENONET, | |
715 | [ENOPKG] = TARGET_ENOPKG, | |
716 | [EREMOTE] = TARGET_EREMOTE, | |
717 | [ENOLINK] = TARGET_ENOLINK, | |
718 | [EADV] = TARGET_EADV, | |
719 | [ESRMNT] = TARGET_ESRMNT, | |
720 | [ECOMM] = TARGET_ECOMM, | |
721 | [EPROTO] = TARGET_EPROTO, | |
722 | [EDOTDOT] = TARGET_EDOTDOT, | |
723 | [EMULTIHOP] = TARGET_EMULTIHOP, | |
724 | [EBADMSG] = TARGET_EBADMSG, | |
725 | [ENAMETOOLONG] = TARGET_ENAMETOOLONG, | |
726 | [EOVERFLOW] = TARGET_EOVERFLOW, | |
727 | [ENOTUNIQ] = TARGET_ENOTUNIQ, | |
728 | [EBADFD] = TARGET_EBADFD, | |
729 | [EREMCHG] = TARGET_EREMCHG, | |
730 | [ELIBACC] = TARGET_ELIBACC, | |
731 | [ELIBBAD] = TARGET_ELIBBAD, | |
732 | [ELIBSCN] = TARGET_ELIBSCN, | |
733 | [ELIBMAX] = TARGET_ELIBMAX, | |
734 | [ELIBEXEC] = TARGET_ELIBEXEC, | |
735 | [EILSEQ] = TARGET_EILSEQ, | |
736 | [ENOSYS] = TARGET_ENOSYS, | |
737 | [ELOOP] = TARGET_ELOOP, | |
738 | [ERESTART] = TARGET_ERESTART, | |
739 | [ESTRPIPE] = TARGET_ESTRPIPE, | |
740 | [ENOTEMPTY] = TARGET_ENOTEMPTY, | |
741 | [EUSERS] = TARGET_EUSERS, | |
742 | [ENOTSOCK] = TARGET_ENOTSOCK, | |
743 | [EDESTADDRREQ] = TARGET_EDESTADDRREQ, | |
744 | [EMSGSIZE] = TARGET_EMSGSIZE, | |
745 | [EPROTOTYPE] = TARGET_EPROTOTYPE, | |
746 | [ENOPROTOOPT] = TARGET_ENOPROTOOPT, | |
747 | [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, | |
748 | [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, | |
749 | [EOPNOTSUPP] = TARGET_EOPNOTSUPP, | |
750 | [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, | |
751 | [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, | |
752 | [EADDRINUSE] = TARGET_EADDRINUSE, | |
753 | [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, | |
754 | [ENETDOWN] = TARGET_ENETDOWN, | |
755 | [ENETUNREACH] = TARGET_ENETUNREACH, | |
756 | [ENETRESET] = TARGET_ENETRESET, | |
757 | [ECONNABORTED] = TARGET_ECONNABORTED, | |
758 | [ECONNRESET] = TARGET_ECONNRESET, | |
759 | [ENOBUFS] = TARGET_ENOBUFS, | |
760 | [EISCONN] = TARGET_EISCONN, | |
761 | [ENOTCONN] = TARGET_ENOTCONN, | |
762 | [EUCLEAN] = TARGET_EUCLEAN, | |
763 | [ENOTNAM] = TARGET_ENOTNAM, | |
764 | [ENAVAIL] = TARGET_ENAVAIL, | |
765 | [EISNAM] = TARGET_EISNAM, | |
766 | [EREMOTEIO] = TARGET_EREMOTEIO, | |
0444a3b7 | 767 | [EDQUOT] = TARGET_EDQUOT, |
637947f1 TS |
768 | [ESHUTDOWN] = TARGET_ESHUTDOWN, |
769 | [ETOOMANYREFS] = TARGET_ETOOMANYREFS, | |
770 | [ETIMEDOUT] = TARGET_ETIMEDOUT, | |
771 | [ECONNREFUSED] = TARGET_ECONNREFUSED, | |
772 | [EHOSTDOWN] = TARGET_EHOSTDOWN, | |
773 | [EHOSTUNREACH] = TARGET_EHOSTUNREACH, | |
774 | [EALREADY] = TARGET_EALREADY, | |
775 | [EINPROGRESS] = TARGET_EINPROGRESS, | |
776 | [ESTALE] = TARGET_ESTALE, | |
777 | [ECANCELED] = TARGET_ECANCELED, | |
778 | [ENOMEDIUM] = TARGET_ENOMEDIUM, | |
779 | [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, | |
b7fe5db7 | 780 | #ifdef ENOKEY |
637947f1 | 781 | [ENOKEY] = TARGET_ENOKEY, |
b7fe5db7 TS |
782 | #endif |
783 | #ifdef EKEYEXPIRED | |
637947f1 | 784 | [EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
b7fe5db7 TS |
785 | #endif |
786 | #ifdef EKEYREVOKED | |
637947f1 | 787 | [EKEYREVOKED] = TARGET_EKEYREVOKED, |
b7fe5db7 TS |
788 | #endif |
789 | #ifdef EKEYREJECTED | |
637947f1 | 790 | [EKEYREJECTED] = TARGET_EKEYREJECTED, |
b7fe5db7 TS |
791 | #endif |
792 | #ifdef EOWNERDEAD | |
637947f1 | 793 | [EOWNERDEAD] = TARGET_EOWNERDEAD, |
b7fe5db7 TS |
794 | #endif |
795 | #ifdef ENOTRECOVERABLE | |
637947f1 | 796 | [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
b7fe5db7 | 797 | #endif |
da39db63 AM |
798 | #ifdef ENOMSG |
799 | [ENOMSG] = TARGET_ENOMSG, | |
800 | #endif | |
b92c47c1 | 801 | }; |
637947f1 TS |
802 | |
803 | static inline int host_to_target_errno(int err) | |
804 | { | |
2466119c TB |
805 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
806 | host_to_target_errno_table[err]) { | |
637947f1 | 807 | return host_to_target_errno_table[err]; |
2466119c | 808 | } |
637947f1 TS |
809 | return err; |
810 | } | |
811 | ||
b92c47c1 TS |
812 | static inline int target_to_host_errno(int err) |
813 | { | |
2466119c TB |
814 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
815 | target_to_host_errno_table[err]) { | |
b92c47c1 | 816 | return target_to_host_errno_table[err]; |
2466119c | 817 | } |
b92c47c1 TS |
818 | return err; |
819 | } | |
820 | ||
992f48a0 | 821 | static inline abi_long get_errno(abi_long ret) |
31e31b8a FB |
822 | { |
823 | if (ret == -1) | |
637947f1 | 824 | return -host_to_target_errno(errno); |
31e31b8a FB |
825 | else |
826 | return ret; | |
827 | } | |
828 | ||
992f48a0 | 829 | static inline int is_error(abi_long ret) |
31e31b8a | 830 | { |
992f48a0 | 831 | return (abi_ulong)ret >= (abi_ulong)(-4096); |
31e31b8a FB |
832 | } |
833 | ||
7dcdaeaf | 834 | const char *target_strerror(int err) |
b92c47c1 | 835 | { |
da2a34f7 PM |
836 | if (err == TARGET_ERESTARTSYS) { |
837 | return "To be restarted"; | |
838 | } | |
839 | if (err == TARGET_QEMU_ESIGRETURN) { | |
840 | return "Successful exit from sigreturn"; | |
841 | } | |
842 | ||
962b289e AG |
843 | if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
844 | return NULL; | |
845 | } | |
b92c47c1 TS |
846 | return strerror(target_to_host_errno(err)); |
847 | } | |
848 | ||
4d330cee TB |
849 | #define safe_syscall0(type, name) \ |
850 | static type safe_##name(void) \ | |
851 | { \ | |
852 | return safe_syscall(__NR_##name); \ | |
853 | } | |
854 | ||
855 | #define safe_syscall1(type, name, type1, arg1) \ | |
856 | static type safe_##name(type1 arg1) \ | |
857 | { \ | |
858 | return safe_syscall(__NR_##name, arg1); \ | |
859 | } | |
860 | ||
861 | #define safe_syscall2(type, name, type1, arg1, type2, arg2) \ | |
862 | static type safe_##name(type1 arg1, type2 arg2) \ | |
863 | { \ | |
864 | return safe_syscall(__NR_##name, arg1, arg2); \ | |
865 | } | |
866 | ||
867 | #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ | |
868 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \ | |
869 | { \ | |
870 | return safe_syscall(__NR_##name, arg1, arg2, arg3); \ | |
871 | } | |
872 | ||
873 | #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
874 | type4, arg4) \ | |
875 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ | |
876 | { \ | |
877 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
878 | } | |
879 | ||
880 | #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
881 | type4, arg4, type5, arg5) \ | |
882 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
883 | type5 arg5) \ | |
884 | { \ | |
885 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
886 | } | |
887 | ||
888 | #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
889 | type4, arg4, type5, arg5, type6, arg6) \ | |
890 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
891 | type5 arg5, type6 arg6) \ | |
892 | { \ | |
893 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
894 | } | |
895 | ||
50afd02b TB |
896 | safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count) |
897 | safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count) | |
c10a0738 TB |
898 | safe_syscall4(int, openat, int, dirfd, const char *, pathname, \ |
899 | int, flags, mode_t, mode) | |
4af80a37 TB |
900 | safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \ |
901 | struct rusage *, rusage) | |
902 | safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \ | |
903 | int, options, struct rusage *, rusage) | |
ffdcbe22 | 904 | safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp) |
6df9d38d PM |
905 | safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \ |
906 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig) | |
a6130237 PM |
907 | safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds, |
908 | struct timespec *, tsp, const sigset_t *, sigmask, | |
909 | size_t, sigsetsize) | |
227f0214 PM |
910 | safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events, |
911 | int, maxevents, int, timeout, const sigset_t *, sigmask, | |
912 | size_t, sigsetsize) | |
d509eeb1 PM |
913 | safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \ |
914 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
2fe4fba1 | 915 | safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize) |
bef653d9 PM |
916 | safe_syscall2(int, kill, pid_t, pid, int, sig) |
917 | safe_syscall2(int, tkill, int, tid, int, sig) | |
918 | safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig) | |
918c03ed PM |
919 | safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt) |
920 | safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt) | |
0f26386c DJ |
921 | safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt, |
922 | unsigned long, pos_l, unsigned long, pos_h) | |
f8d00fba DJ |
923 | safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt, |
924 | unsigned long, pos_l, unsigned long, pos_h) | |
2a3c7619 PM |
925 | safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr, |
926 | socklen_t, addrlen) | |
66687530 PM |
927 | safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len, |
928 | int, flags, const struct sockaddr *, addr, socklen_t, addrlen) | |
929 | safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len, | |
930 | int, flags, struct sockaddr *, addr, socklen_t *, addrlen) | |
931 | safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags) | |
932 | safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags) | |
2a845989 | 933 | safe_syscall2(int, flock, int, fd, int, operation) |
b3f82330 PM |
934 | safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo, |
935 | const struct timespec *, uts, size_t, sigsetsize) | |
ff6dc130 PM |
936 | safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len, |
937 | int, flags) | |
9e518226 PM |
938 | safe_syscall2(int, nanosleep, const struct timespec *, req, |
939 | struct timespec *, rem) | |
940 | #ifdef TARGET_NR_clock_nanosleep | |
941 | safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags, | |
942 | const struct timespec *, req, struct timespec *, rem) | |
943 | #endif | |
89f9fe44 PM |
944 | #ifdef __NR_msgsnd |
945 | safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz, | |
946 | int, flags) | |
947 | safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz, | |
948 | long, msgtype, int, flags) | |
ffb7ee79 PM |
949 | safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops, |
950 | unsigned, nsops, const struct timespec *, timeout) | |
89f9fe44 PM |
951 | #else |
952 | /* This host kernel architecture uses a single ipc syscall; fake up | |
953 | * wrappers for the sub-operations to hide this implementation detail. | |
954 | * Annoyingly we can't include linux/ipc.h to get the constant definitions | |
955 | * for the call parameter because some structs in there conflict with the | |
956 | * sys/ipc.h ones. So we just define them here, and rely on them being | |
957 | * the same for all host architectures. | |
958 | */ | |
ffb7ee79 | 959 | #define Q_SEMTIMEDOP 4 |
89f9fe44 PM |
960 | #define Q_MSGSND 11 |
961 | #define Q_MSGRCV 12 | |
962 | #define Q_IPCCALL(VERSION, OP) ((VERSION) << 16 | (OP)) | |
963 | ||
964 | safe_syscall6(int, ipc, int, call, long, first, long, second, long, third, | |
965 | void *, ptr, long, fifth) | |
966 | static int safe_msgsnd(int msgid, const void *msgp, size_t sz, int flags) | |
967 | { | |
968 | return safe_ipc(Q_IPCCALL(0, Q_MSGSND), msgid, sz, flags, (void *)msgp, 0); | |
969 | } | |
970 | static int safe_msgrcv(int msgid, void *msgp, size_t sz, long type, int flags) | |
971 | { | |
972 | return safe_ipc(Q_IPCCALL(1, Q_MSGRCV), msgid, sz, flags, msgp, type); | |
973 | } | |
ffb7ee79 PM |
974 | static int safe_semtimedop(int semid, struct sembuf *tsops, unsigned nsops, |
975 | const struct timespec *timeout) | |
976 | { | |
977 | return safe_ipc(Q_IPCCALL(0, Q_SEMTIMEDOP), semid, nsops, 0, tsops, | |
978 | (long)timeout); | |
979 | } | |
89f9fe44 | 980 | #endif |
d40ecd66 PM |
981 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
982 | safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr, | |
983 | size_t, len, unsigned, prio, const struct timespec *, timeout) | |
984 | safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr, | |
985 | size_t, len, unsigned *, prio, const struct timespec *, timeout) | |
986 | #endif | |
49ca6f3e PM |
987 | /* We do ioctl like this rather than via safe_syscall3 to preserve the |
988 | * "third argument might be integer or pointer or not present" behaviour of | |
989 | * the libc function. | |
990 | */ | |
991 | #define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__) | |
435da5e7 PM |
992 | /* Similarly for fcntl. Note that callers must always: |
993 | * pass the F_GETLK64 etc constants rather than the unsuffixed F_GETLK | |
994 | * use the flock64 struct rather than unsuffixed flock | |
995 | * This will then work and use a 64-bit offset for both 32-bit and 64-bit hosts. | |
996 | */ | |
997 | #ifdef __NR_fcntl64 | |
998 | #define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__) | |
999 | #else | |
1000 | #define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__) | |
1001 | #endif | |
50afd02b | 1002 | |
8289d112 PB |
1003 | static inline int host_to_target_sock_type(int host_type) |
1004 | { | |
1005 | int target_type; | |
1006 | ||
1007 | switch (host_type & 0xf /* SOCK_TYPE_MASK */) { | |
1008 | case SOCK_DGRAM: | |
1009 | target_type = TARGET_SOCK_DGRAM; | |
1010 | break; | |
1011 | case SOCK_STREAM: | |
1012 | target_type = TARGET_SOCK_STREAM; | |
1013 | break; | |
1014 | default: | |
1015 | target_type = host_type & 0xf /* SOCK_TYPE_MASK */; | |
1016 | break; | |
1017 | } | |
1018 | ||
1019 | #if defined(SOCK_CLOEXEC) | |
1020 | if (host_type & SOCK_CLOEXEC) { | |
1021 | target_type |= TARGET_SOCK_CLOEXEC; | |
1022 | } | |
1023 | #endif | |
1024 | ||
1025 | #if defined(SOCK_NONBLOCK) | |
1026 | if (host_type & SOCK_NONBLOCK) { | |
1027 | target_type |= TARGET_SOCK_NONBLOCK; | |
1028 | } | |
1029 | #endif | |
1030 | ||
1031 | return target_type; | |
1032 | } | |
1033 | ||
992f48a0 BS |
1034 | static abi_ulong target_brk; |
1035 | static abi_ulong target_original_brk; | |
4d1de87c | 1036 | static abi_ulong brk_page; |
31e31b8a | 1037 | |
992f48a0 | 1038 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 1039 | { |
4c1de73d | 1040 | target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
4d1de87c | 1041 | brk_page = HOST_PAGE_ALIGN(target_brk); |
31e31b8a FB |
1042 | } |
1043 | ||
4d1de87c CV |
1044 | //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0) |
1045 | #define DEBUGF_BRK(message, args...) | |
1046 | ||
0da46a6e | 1047 | /* do_brk() must return target values and target errnos. */ |
992f48a0 | 1048 | abi_long do_brk(abi_ulong new_brk) |
31e31b8a | 1049 | { |
992f48a0 | 1050 | abi_long mapped_addr; |
ef4330c2 | 1051 | abi_ulong new_alloc_size; |
31e31b8a | 1052 | |
3a0c6c4a | 1053 | DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
4d1de87c CV |
1054 | |
1055 | if (!new_brk) { | |
3a0c6c4a | 1056 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk); |
53a5960a | 1057 | return target_brk; |
4d1de87c CV |
1058 | } |
1059 | if (new_brk < target_original_brk) { | |
3a0c6c4a PB |
1060 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n", |
1061 | target_brk); | |
7ab240ad | 1062 | return target_brk; |
4d1de87c | 1063 | } |
3b46e624 | 1064 | |
4d1de87c CV |
1065 | /* If the new brk is less than the highest page reserved to the |
1066 | * target heap allocation, set it and we're almost done... */ | |
1067 | if (new_brk <= brk_page) { | |
1068 | /* Heap contents are initialized to zero, as for anonymous | |
1069 | * mapped pages. */ | |
1070 | if (new_brk > target_brk) { | |
1071 | memset(g2h(target_brk), 0, new_brk - target_brk); | |
1072 | } | |
31e31b8a | 1073 | target_brk = new_brk; |
3a0c6c4a | 1074 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk); |
53a5960a | 1075 | return target_brk; |
31e31b8a FB |
1076 | } |
1077 | ||
00faf08c PM |
1078 | /* We need to allocate more memory after the brk... Note that |
1079 | * we don't use MAP_FIXED because that will map over the top of | |
1080 | * any existing mapping (like the one with the host libc or qemu | |
1081 | * itself); instead we treat "mapped but at wrong address" as | |
1082 | * a failure and unmap again. | |
1083 | */ | |
4d1de87c | 1084 | new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
5fafdf24 | 1085 | mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
54936004 | 1086 | PROT_READ|PROT_WRITE, |
00faf08c PM |
1087 | MAP_ANON|MAP_PRIVATE, 0, 0)); |
1088 | ||
1089 | if (mapped_addr == brk_page) { | |
70afc343 CV |
1090 | /* Heap contents are initialized to zero, as for anonymous |
1091 | * mapped pages. Technically the new pages are already | |
1092 | * initialized to zero since they *are* anonymous mapped | |
1093 | * pages, however we have to take care with the contents that | |
1094 | * come from the remaining part of the previous page: it may | |
1095 | * contains garbage data due to a previous heap usage (grown | |
1096 | * then shrunken). */ | |
1097 | memset(g2h(target_brk), 0, brk_page - target_brk); | |
1098 | ||
00faf08c | 1099 | target_brk = new_brk; |
4d1de87c | 1100 | brk_page = HOST_PAGE_ALIGN(target_brk); |
3a0c6c4a PB |
1101 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n", |
1102 | target_brk); | |
00faf08c PM |
1103 | return target_brk; |
1104 | } else if (mapped_addr != -1) { | |
1105 | /* Mapped but at wrong address, meaning there wasn't actually | |
1106 | * enough space for this brk. | |
1107 | */ | |
1108 | target_munmap(mapped_addr, new_alloc_size); | |
1109 | mapped_addr = -1; | |
3a0c6c4a | 1110 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk); |
4d1de87c CV |
1111 | } |
1112 | else { | |
3a0c6c4a | 1113 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk); |
00faf08c | 1114 | } |
7ab240ad | 1115 | |
7dd46c02 RH |
1116 | #if defined(TARGET_ALPHA) |
1117 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
1118 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 1119 | return -TARGET_ENOMEM; |
7dd46c02 | 1120 | #endif |
00faf08c | 1121 | /* For everything else, return the previous break. */ |
7ab240ad | 1122 | return target_brk; |
31e31b8a FB |
1123 | } |
1124 | ||
26edcf41 TS |
1125 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
1126 | abi_ulong target_fds_addr, | |
1127 | int n) | |
31e31b8a | 1128 | { |
26edcf41 TS |
1129 | int i, nw, j, k; |
1130 | abi_ulong b, *target_fds; | |
1131 | ||
b1b2db29 | 1132 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
1133 | if (!(target_fds = lock_user(VERIFY_READ, |
1134 | target_fds_addr, | |
1135 | sizeof(abi_ulong) * nw, | |
1136 | 1))) | |
1137 | return -TARGET_EFAULT; | |
1138 | ||
1139 | FD_ZERO(fds); | |
1140 | k = 0; | |
1141 | for (i = 0; i < nw; i++) { | |
1142 | /* grab the abi_ulong */ | |
1143 | __get_user(b, &target_fds[i]); | |
1144 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
1145 | /* check the bit inside the abi_ulong */ | |
1146 | if ((b >> j) & 1) | |
1147 | FD_SET(k, fds); | |
1148 | k++; | |
31e31b8a | 1149 | } |
31e31b8a | 1150 | } |
26edcf41 TS |
1151 | |
1152 | unlock_user(target_fds, target_fds_addr, 0); | |
1153 | ||
1154 | return 0; | |
31e31b8a FB |
1155 | } |
1156 | ||
055e0906 MF |
1157 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
1158 | abi_ulong target_fds_addr, | |
1159 | int n) | |
1160 | { | |
1161 | if (target_fds_addr) { | |
1162 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
1163 | return -TARGET_EFAULT; | |
1164 | *fds_ptr = fds; | |
1165 | } else { | |
1166 | *fds_ptr = NULL; | |
1167 | } | |
1168 | return 0; | |
1169 | } | |
1170 | ||
26edcf41 TS |
1171 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
1172 | const fd_set *fds, | |
1173 | int n) | |
31e31b8a | 1174 | { |
31e31b8a | 1175 | int i, nw, j, k; |
992f48a0 | 1176 | abi_long v; |
26edcf41 | 1177 | abi_ulong *target_fds; |
31e31b8a | 1178 | |
b1b2db29 | 1179 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
1180 | if (!(target_fds = lock_user(VERIFY_WRITE, |
1181 | target_fds_addr, | |
1182 | sizeof(abi_ulong) * nw, | |
1183 | 0))) | |
1184 | return -TARGET_EFAULT; | |
1185 | ||
1186 | k = 0; | |
1187 | for (i = 0; i < nw; i++) { | |
1188 | v = 0; | |
1189 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
9ab709be | 1190 | v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j); |
26edcf41 | 1191 | k++; |
31e31b8a | 1192 | } |
26edcf41 | 1193 | __put_user(v, &target_fds[i]); |
31e31b8a | 1194 | } |
26edcf41 TS |
1195 | |
1196 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
1197 | ||
1198 | return 0; | |
31e31b8a FB |
1199 | } |
1200 | ||
c596ed17 FB |
1201 | #if defined(__alpha__) |
1202 | #define HOST_HZ 1024 | |
1203 | #else | |
1204 | #define HOST_HZ 100 | |
1205 | #endif | |
1206 | ||
992f48a0 | 1207 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
1208 | { |
1209 | #if HOST_HZ == TARGET_HZ | |
1210 | return ticks; | |
1211 | #else | |
1212 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
1213 | #endif | |
1214 | } | |
1215 | ||
579a97f7 FB |
1216 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
1217 | const struct rusage *rusage) | |
b409186b | 1218 | { |
53a5960a PB |
1219 | struct target_rusage *target_rusage; |
1220 | ||
579a97f7 FB |
1221 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
1222 | return -TARGET_EFAULT; | |
cbb21eed MB |
1223 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
1224 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
1225 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
1226 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
1227 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
1228 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
1229 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
1230 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
1231 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
1232 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
1233 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
1234 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
1235 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
1236 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
1237 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
1238 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
1239 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
1240 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 1241 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
1242 | |
1243 | return 0; | |
b409186b FB |
1244 | } |
1245 | ||
cbb21eed | 1246 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 1247 | { |
cbb21eed | 1248 | abi_ulong target_rlim_swap; |
95b33b2f WT |
1249 | rlim_t result; |
1250 | ||
cbb21eed MB |
1251 | target_rlim_swap = tswapal(target_rlim); |
1252 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
1253 | return RLIM_INFINITY; | |
1254 | ||
1255 | result = target_rlim_swap; | |
1256 | if (target_rlim_swap != (rlim_t)result) | |
1257 | return RLIM_INFINITY; | |
95b33b2f WT |
1258 | |
1259 | return result; | |
81bbe906 TY |
1260 | } |
1261 | ||
cbb21eed | 1262 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 1263 | { |
cbb21eed MB |
1264 | abi_ulong target_rlim_swap; |
1265 | abi_ulong result; | |
95b33b2f | 1266 | |
cbb21eed | 1267 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 1268 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 1269 | else |
95b33b2f | 1270 | target_rlim_swap = rlim; |
cbb21eed | 1271 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
1272 | |
1273 | return result; | |
81bbe906 TY |
1274 | } |
1275 | ||
e22b7015 WT |
1276 | static inline int target_to_host_resource(int code) |
1277 | { | |
1278 | switch (code) { | |
1279 | case TARGET_RLIMIT_AS: | |
1280 | return RLIMIT_AS; | |
1281 | case TARGET_RLIMIT_CORE: | |
1282 | return RLIMIT_CORE; | |
1283 | case TARGET_RLIMIT_CPU: | |
1284 | return RLIMIT_CPU; | |
1285 | case TARGET_RLIMIT_DATA: | |
1286 | return RLIMIT_DATA; | |
1287 | case TARGET_RLIMIT_FSIZE: | |
1288 | return RLIMIT_FSIZE; | |
1289 | case TARGET_RLIMIT_LOCKS: | |
1290 | return RLIMIT_LOCKS; | |
1291 | case TARGET_RLIMIT_MEMLOCK: | |
1292 | return RLIMIT_MEMLOCK; | |
1293 | case TARGET_RLIMIT_MSGQUEUE: | |
1294 | return RLIMIT_MSGQUEUE; | |
1295 | case TARGET_RLIMIT_NICE: | |
1296 | return RLIMIT_NICE; | |
1297 | case TARGET_RLIMIT_NOFILE: | |
1298 | return RLIMIT_NOFILE; | |
1299 | case TARGET_RLIMIT_NPROC: | |
1300 | return RLIMIT_NPROC; | |
1301 | case TARGET_RLIMIT_RSS: | |
1302 | return RLIMIT_RSS; | |
1303 | case TARGET_RLIMIT_RTPRIO: | |
1304 | return RLIMIT_RTPRIO; | |
1305 | case TARGET_RLIMIT_SIGPENDING: | |
1306 | return RLIMIT_SIGPENDING; | |
1307 | case TARGET_RLIMIT_STACK: | |
1308 | return RLIMIT_STACK; | |
1309 | default: | |
1310 | return code; | |
1311 | } | |
1312 | } | |
1313 | ||
788f5ec4 TS |
1314 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
1315 | abi_ulong target_tv_addr) | |
31e31b8a | 1316 | { |
53a5960a PB |
1317 | struct target_timeval *target_tv; |
1318 | ||
788f5ec4 | 1319 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
579a97f7 | 1320 | return -TARGET_EFAULT; |
788f5ec4 TS |
1321 | |
1322 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1323 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1324 | ||
1325 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
1326 | |
1327 | return 0; | |
31e31b8a FB |
1328 | } |
1329 | ||
788f5ec4 TS |
1330 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
1331 | const struct timeval *tv) | |
31e31b8a | 1332 | { |
53a5960a PB |
1333 | struct target_timeval *target_tv; |
1334 | ||
788f5ec4 | 1335 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
579a97f7 | 1336 | return -TARGET_EFAULT; |
788f5ec4 TS |
1337 | |
1338 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1339 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1340 | ||
1341 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
1342 | |
1343 | return 0; | |
31e31b8a FB |
1344 | } |
1345 | ||
ef4467e9 PB |
1346 | static inline abi_long copy_from_user_timezone(struct timezone *tz, |
1347 | abi_ulong target_tz_addr) | |
1348 | { | |
1349 | struct target_timezone *target_tz; | |
1350 | ||
1351 | if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) { | |
1352 | return -TARGET_EFAULT; | |
1353 | } | |
1354 | ||
1355 | __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1356 | __get_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1357 | ||
1358 | unlock_user_struct(target_tz, target_tz_addr, 0); | |
1359 | ||
1360 | return 0; | |
1361 | } | |
1362 | ||
8ec9cf89 NF |
1363 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
1364 | #include <mqueue.h> | |
1365 | ||
24e1003a AJ |
1366 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
1367 | abi_ulong target_mq_attr_addr) | |
1368 | { | |
1369 | struct target_mq_attr *target_mq_attr; | |
1370 | ||
1371 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
1372 | target_mq_attr_addr, 1)) | |
1373 | return -TARGET_EFAULT; | |
1374 | ||
1375 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1376 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1377 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1378 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1379 | ||
1380 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
1381 | ||
1382 | return 0; | |
1383 | } | |
1384 | ||
1385 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
1386 | const struct mq_attr *attr) | |
1387 | { | |
1388 | struct target_mq_attr *target_mq_attr; | |
1389 | ||
1390 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
1391 | target_mq_attr_addr, 0)) | |
1392 | return -TARGET_EFAULT; | |
1393 | ||
1394 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1395 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1396 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1397 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1398 | ||
1399 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
1400 | ||
1401 | return 0; | |
1402 | } | |
8ec9cf89 | 1403 | #endif |
31e31b8a | 1404 | |
055e0906 | 1405 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 1406 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 1407 | static abi_long do_select(int n, |
26edcf41 TS |
1408 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
1409 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
1410 | { |
1411 | fd_set rfds, wfds, efds; | |
1412 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6df9d38d PM |
1413 | struct timeval tv; |
1414 | struct timespec ts, *ts_ptr; | |
992f48a0 | 1415 | abi_long ret; |
31e31b8a | 1416 | |
055e0906 MF |
1417 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
1418 | if (ret) { | |
1419 | return ret; | |
53a5960a | 1420 | } |
055e0906 MF |
1421 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
1422 | if (ret) { | |
1423 | return ret; | |
53a5960a | 1424 | } |
055e0906 MF |
1425 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
1426 | if (ret) { | |
1427 | return ret; | |
53a5960a | 1428 | } |
3b46e624 | 1429 | |
26edcf41 | 1430 | if (target_tv_addr) { |
788f5ec4 TS |
1431 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
1432 | return -TARGET_EFAULT; | |
6df9d38d PM |
1433 | ts.tv_sec = tv.tv_sec; |
1434 | ts.tv_nsec = tv.tv_usec * 1000; | |
1435 | ts_ptr = &ts; | |
31e31b8a | 1436 | } else { |
6df9d38d | 1437 | ts_ptr = NULL; |
31e31b8a | 1438 | } |
26edcf41 | 1439 | |
6df9d38d PM |
1440 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
1441 | ts_ptr, NULL)); | |
53a5960a | 1442 | |
26edcf41 TS |
1443 | if (!is_error(ret)) { |
1444 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
1445 | return -TARGET_EFAULT; | |
1446 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
1447 | return -TARGET_EFAULT; | |
1448 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
1449 | return -TARGET_EFAULT; | |
31e31b8a | 1450 | |
6df9d38d PM |
1451 | if (target_tv_addr) { |
1452 | tv.tv_sec = ts.tv_sec; | |
1453 | tv.tv_usec = ts.tv_nsec / 1000; | |
1454 | if (copy_to_user_timeval(target_tv_addr, &tv)) { | |
1455 | return -TARGET_EFAULT; | |
1456 | } | |
1457 | } | |
31e31b8a | 1458 | } |
579a97f7 | 1459 | |
31e31b8a FB |
1460 | return ret; |
1461 | } | |
5457dc9e LV |
1462 | |
1463 | #if defined(TARGET_WANT_OLD_SYS_SELECT) | |
1464 | static abi_long do_old_select(abi_ulong arg1) | |
1465 | { | |
1466 | struct target_sel_arg_struct *sel; | |
1467 | abi_ulong inp, outp, exp, tvp; | |
1468 | long nsel; | |
1469 | ||
1470 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) { | |
1471 | return -TARGET_EFAULT; | |
1472 | } | |
1473 | ||
1474 | nsel = tswapal(sel->n); | |
1475 | inp = tswapal(sel->inp); | |
1476 | outp = tswapal(sel->outp); | |
1477 | exp = tswapal(sel->exp); | |
1478 | tvp = tswapal(sel->tvp); | |
1479 | ||
1480 | unlock_user_struct(sel, arg1, 0); | |
1481 | ||
1482 | return do_select(nsel, inp, outp, exp, tvp); | |
1483 | } | |
1484 | #endif | |
055e0906 | 1485 | #endif |
31e31b8a | 1486 | |
099d6b0f RV |
1487 | static abi_long do_pipe2(int host_pipe[], int flags) |
1488 | { | |
1489 | #ifdef CONFIG_PIPE2 | |
1490 | return pipe2(host_pipe, flags); | |
1491 | #else | |
1492 | return -ENOSYS; | |
1493 | #endif | |
1494 | } | |
1495 | ||
fb41a66e RH |
1496 | static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
1497 | int flags, int is_pipe2) | |
099d6b0f RV |
1498 | { |
1499 | int host_pipe[2]; | |
1500 | abi_long ret; | |
1501 | ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); | |
1502 | ||
1503 | if (is_error(ret)) | |
1504 | return get_errno(ret); | |
fb41a66e RH |
1505 | |
1506 | /* Several targets have special calling conventions for the original | |
1507 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1508 | if (!is_pipe2) { | |
1509 | #if defined(TARGET_ALPHA) | |
1510 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1]; | |
1511 | return host_pipe[0]; | |
1512 | #elif defined(TARGET_MIPS) | |
1513 | ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; | |
1514 | return host_pipe[0]; | |
1515 | #elif defined(TARGET_SH4) | |
597c0212 | 1516 | ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
fb41a66e | 1517 | return host_pipe[0]; |
82f05b69 PM |
1518 | #elif defined(TARGET_SPARC) |
1519 | ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1]; | |
1520 | return host_pipe[0]; | |
597c0212 | 1521 | #endif |
fb41a66e RH |
1522 | } |
1523 | ||
099d6b0f RV |
1524 | if (put_user_s32(host_pipe[0], pipedes) |
1525 | || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) | |
1526 | return -TARGET_EFAULT; | |
099d6b0f RV |
1527 | return get_errno(ret); |
1528 | } | |
1529 | ||
b975b83b LL |
1530 | static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1531 | abi_ulong target_addr, | |
1532 | socklen_t len) | |
1533 | { | |
1534 | struct target_ip_mreqn *target_smreqn; | |
1535 | ||
1536 | target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); | |
1537 | if (!target_smreqn) | |
1538 | return -TARGET_EFAULT; | |
1539 | mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
1540 | mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
1541 | if (len == sizeof(struct target_ip_mreqn)) | |
cbb21eed | 1542 | mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
b975b83b LL |
1543 | unlock_user(target_smreqn, target_addr, 0); |
1544 | ||
1545 | return 0; | |
1546 | } | |
1547 | ||
7b36f782 | 1548 | static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr, |
579a97f7 FB |
1549 | abi_ulong target_addr, |
1550 | socklen_t len) | |
7854b056 | 1551 | { |
607175e0 AJ |
1552 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1553 | sa_family_t sa_family; | |
53a5960a PB |
1554 | struct target_sockaddr *target_saddr; |
1555 | ||
7b36f782 LV |
1556 | if (fd_trans_target_to_host_addr(fd)) { |
1557 | return fd_trans_target_to_host_addr(fd)(addr, target_addr, len); | |
1558 | } | |
1559 | ||
579a97f7 FB |
1560 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1561 | if (!target_saddr) | |
1562 | return -TARGET_EFAULT; | |
607175e0 AJ |
1563 | |
1564 | sa_family = tswap16(target_saddr->sa_family); | |
1565 | ||
1566 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1567 | * must be terminated by \0 (see the manual page), but | |
1568 | * unfortunately it is quite common to specify sockaddr_un | |
1569 | * length as "strlen(x->sun_path)" while it should be | |
1570 | * "strlen(...) + 1". We'll fix that here if needed. | |
1571 | * Linux kernel has a similar feature. | |
1572 | */ | |
1573 | ||
1574 | if (sa_family == AF_UNIX) { | |
1575 | if (len < unix_maxlen && len > 0) { | |
1576 | char *cp = (char*)target_saddr; | |
1577 | ||
1578 | if ( cp[len-1] && !cp[len] ) | |
1579 | len++; | |
1580 | } | |
1581 | if (len > unix_maxlen) | |
1582 | len = unix_maxlen; | |
1583 | } | |
1584 | ||
53a5960a | 1585 | memcpy(addr, target_saddr, len); |
607175e0 | 1586 | addr->sa_family = sa_family; |
6c5b5645 LV |
1587 | if (sa_family == AF_NETLINK) { |
1588 | struct sockaddr_nl *nladdr; | |
1589 | ||
1590 | nladdr = (struct sockaddr_nl *)addr; | |
1591 | nladdr->nl_pid = tswap32(nladdr->nl_pid); | |
1592 | nladdr->nl_groups = tswap32(nladdr->nl_groups); | |
1593 | } else if (sa_family == AF_PACKET) { | |
33a29b51 JT |
1594 | struct target_sockaddr_ll *lladdr; |
1595 | ||
1596 | lladdr = (struct target_sockaddr_ll *)addr; | |
1597 | lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex); | |
1598 | lladdr->sll_hatype = tswap16(lladdr->sll_hatype); | |
1599 | } | |
53a5960a | 1600 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1601 | |
1602 | return 0; | |
7854b056 FB |
1603 | } |
1604 | ||
579a97f7 FB |
1605 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1606 | struct sockaddr *addr, | |
1607 | socklen_t len) | |
7854b056 | 1608 | { |
53a5960a PB |
1609 | struct target_sockaddr *target_saddr; |
1610 | ||
a1e22192 PM |
1611 | if (len == 0) { |
1612 | return 0; | |
1613 | } | |
1614 | ||
579a97f7 FB |
1615 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1616 | if (!target_saddr) | |
1617 | return -TARGET_EFAULT; | |
53a5960a | 1618 | memcpy(target_saddr, addr, len); |
a1e22192 PM |
1619 | if (len >= offsetof(struct target_sockaddr, sa_family) + |
1620 | sizeof(target_saddr->sa_family)) { | |
1621 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1622 | } | |
1623 | if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) { | |
6c5b5645 LV |
1624 | struct sockaddr_nl *target_nl = (struct sockaddr_nl *)target_saddr; |
1625 | target_nl->nl_pid = tswap32(target_nl->nl_pid); | |
1626 | target_nl->nl_groups = tswap32(target_nl->nl_groups); | |
a82ea939 LV |
1627 | } else if (addr->sa_family == AF_PACKET) { |
1628 | struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr; | |
1629 | target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex); | |
1630 | target_ll->sll_hatype = tswap16(target_ll->sll_hatype); | |
6c5b5645 | 1631 | } |
53a5960a | 1632 | unlock_user(target_saddr, target_addr, len); |
579a97f7 FB |
1633 | |
1634 | return 0; | |
7854b056 FB |
1635 | } |
1636 | ||
5a4a898d FB |
1637 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1638 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1639 | { |
1640 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1641 | abi_long msg_controllen; |
1642 | abi_ulong target_cmsg_addr; | |
ee104587 | 1643 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 | 1644 | socklen_t space = 0; |
5a4a898d | 1645 | |
cbb21eed | 1646 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1647 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1648 | goto the_end; | |
cbb21eed | 1649 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1650 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
ee104587 | 1651 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1652 | if (!target_cmsg) |
1653 | return -TARGET_EFAULT; | |
7854b056 FB |
1654 | |
1655 | while (cmsg && target_cmsg) { | |
1656 | void *data = CMSG_DATA(cmsg); | |
1657 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1658 | ||
cbb21eed | 1659 | int len = tswapal(target_cmsg->cmsg_len) |
7854b056 FB |
1660 | - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); |
1661 | ||
1662 | space += CMSG_SPACE(len); | |
1663 | if (space > msgh->msg_controllen) { | |
1664 | space -= CMSG_SPACE(len); | |
c2aeb258 PM |
1665 | /* This is a QEMU bug, since we allocated the payload |
1666 | * area ourselves (unlike overflow in host-to-target | |
1667 | * conversion, which is just the guest giving us a buffer | |
1668 | * that's too small). It can't happen for the payload types | |
1669 | * we currently support; if it becomes an issue in future | |
1670 | * we would need to improve our allocation strategy to | |
1671 | * something more intelligent than "twice the size of the | |
1672 | * target buffer we're reading from". | |
1673 | */ | |
31febb71 | 1674 | gemu_log("Host cmsg overflow\n"); |
7854b056 FB |
1675 | break; |
1676 | } | |
1677 | ||
dbf4f796 PJ |
1678 | if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) { |
1679 | cmsg->cmsg_level = SOL_SOCKET; | |
1680 | } else { | |
1681 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1682 | } | |
7854b056 FB |
1683 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1684 | cmsg->cmsg_len = CMSG_LEN(len); | |
1685 | ||
30b8b68e | 1686 | if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { |
7854b056 FB |
1687 | int *fd = (int *)data; |
1688 | int *target_fd = (int *)target_data; | |
1689 | int i, numfds = len / sizeof(int); | |
1690 | ||
876e23cb PM |
1691 | for (i = 0; i < numfds; i++) { |
1692 | __get_user(fd[i], target_fd + i); | |
1693 | } | |
30b8b68e AS |
1694 | } else if (cmsg->cmsg_level == SOL_SOCKET |
1695 | && cmsg->cmsg_type == SCM_CREDENTIALS) { | |
1696 | struct ucred *cred = (struct ucred *)data; | |
1697 | struct target_ucred *target_cred = | |
1698 | (struct target_ucred *)target_data; | |
1699 | ||
876e23cb PM |
1700 | __get_user(cred->pid, &target_cred->pid); |
1701 | __get_user(cred->uid, &target_cred->uid); | |
1702 | __get_user(cred->gid, &target_cred->gid); | |
30b8b68e AS |
1703 | } else { |
1704 | gemu_log("Unsupported ancillary data: %d/%d\n", | |
1705 | cmsg->cmsg_level, cmsg->cmsg_type); | |
1706 | memcpy(data, target_data, len); | |
7854b056 FB |
1707 | } |
1708 | ||
1709 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
ee104587 JN |
1710 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1711 | target_cmsg_start); | |
7854b056 | 1712 | } |
5a4a898d FB |
1713 | unlock_user(target_cmsg, target_cmsg_addr, 0); |
1714 | the_end: | |
7854b056 | 1715 | msgh->msg_controllen = space; |
5a4a898d | 1716 | return 0; |
7854b056 FB |
1717 | } |
1718 | ||
5a4a898d FB |
1719 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1720 | struct msghdr *msgh) | |
7854b056 FB |
1721 | { |
1722 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1723 | abi_long msg_controllen; |
1724 | abi_ulong target_cmsg_addr; | |
ee104587 | 1725 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 FB |
1726 | socklen_t space = 0; |
1727 | ||
cbb21eed | 1728 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1729 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1730 | goto the_end; | |
cbb21eed | 1731 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1732 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
ee104587 | 1733 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1734 | if (!target_cmsg) |
1735 | return -TARGET_EFAULT; | |
1736 | ||
7854b056 FB |
1737 | while (cmsg && target_cmsg) { |
1738 | void *data = CMSG_DATA(cmsg); | |
1739 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1740 | ||
1741 | int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); | |
c2aeb258 | 1742 | int tgt_len, tgt_space; |
7854b056 | 1743 | |
c2aeb258 PM |
1744 | /* We never copy a half-header but may copy half-data; |
1745 | * this is Linux's behaviour in put_cmsg(). Note that | |
1746 | * truncation here is a guest problem (which we report | |
1747 | * to the guest via the CTRUNC bit), unlike truncation | |
1748 | * in target_to_host_cmsg, which is a QEMU bug. | |
1749 | */ | |
1750 | if (msg_controllen < sizeof(struct cmsghdr)) { | |
1751 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); | |
7854b056 FB |
1752 | break; |
1753 | } | |
1754 | ||
dbf4f796 PJ |
1755 | if (cmsg->cmsg_level == SOL_SOCKET) { |
1756 | target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); | |
1757 | } else { | |
1758 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1759 | } | |
7854b056 | 1760 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
7854b056 | 1761 | |
c2aeb258 PM |
1762 | tgt_len = TARGET_CMSG_LEN(len); |
1763 | ||
1764 | /* Payload types which need a different size of payload on | |
1765 | * the target must adjust tgt_len here. | |
1766 | */ | |
1767 | switch (cmsg->cmsg_level) { | |
1768 | case SOL_SOCKET: | |
1769 | switch (cmsg->cmsg_type) { | |
1770 | case SO_TIMESTAMP: | |
1771 | tgt_len = sizeof(struct target_timeval); | |
1772 | break; | |
1773 | default: | |
1774 | break; | |
1775 | } | |
1776 | default: | |
1777 | break; | |
1778 | } | |
1779 | ||
1780 | if (msg_controllen < tgt_len) { | |
1781 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); | |
1782 | tgt_len = msg_controllen; | |
1783 | } | |
1784 | ||
1785 | /* We must now copy-and-convert len bytes of payload | |
1786 | * into tgt_len bytes of destination space. Bear in mind | |
1787 | * that in both source and destination we may be dealing | |
1788 | * with a truncated value! | |
1789 | */ | |
52b65494 HD |
1790 | switch (cmsg->cmsg_level) { |
1791 | case SOL_SOCKET: | |
1792 | switch (cmsg->cmsg_type) { | |
1793 | case SCM_RIGHTS: | |
1794 | { | |
1795 | int *fd = (int *)data; | |
1796 | int *target_fd = (int *)target_data; | |
c2aeb258 | 1797 | int i, numfds = tgt_len / sizeof(int); |
52b65494 | 1798 | |
876e23cb PM |
1799 | for (i = 0; i < numfds; i++) { |
1800 | __put_user(fd[i], target_fd + i); | |
1801 | } | |
52b65494 HD |
1802 | break; |
1803 | } | |
1804 | case SO_TIMESTAMP: | |
1805 | { | |
1806 | struct timeval *tv = (struct timeval *)data; | |
1807 | struct target_timeval *target_tv = | |
1808 | (struct target_timeval *)target_data; | |
1809 | ||
c2aeb258 PM |
1810 | if (len != sizeof(struct timeval) || |
1811 | tgt_len != sizeof(struct target_timeval)) { | |
52b65494 | 1812 | goto unimplemented; |
c2aeb258 | 1813 | } |
52b65494 HD |
1814 | |
1815 | /* copy struct timeval to target */ | |
876e23cb PM |
1816 | __put_user(tv->tv_sec, &target_tv->tv_sec); |
1817 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
52b65494 HD |
1818 | break; |
1819 | } | |
4bc29756 HD |
1820 | case SCM_CREDENTIALS: |
1821 | { | |
1822 | struct ucred *cred = (struct ucred *)data; | |
1823 | struct target_ucred *target_cred = | |
1824 | (struct target_ucred *)target_data; | |
1825 | ||
1826 | __put_user(cred->pid, &target_cred->pid); | |
1827 | __put_user(cred->uid, &target_cred->uid); | |
1828 | __put_user(cred->gid, &target_cred->gid); | |
1829 | break; | |
1830 | } | |
52b65494 HD |
1831 | default: |
1832 | goto unimplemented; | |
1833 | } | |
1834 | break; | |
7854b056 | 1835 | |
52b65494 HD |
1836 | default: |
1837 | unimplemented: | |
aebf5bc7 JH |
1838 | gemu_log("Unsupported ancillary data: %d/%d\n", |
1839 | cmsg->cmsg_level, cmsg->cmsg_type); | |
c2aeb258 PM |
1840 | memcpy(target_data, data, MIN(len, tgt_len)); |
1841 | if (tgt_len > len) { | |
1842 | memset(target_data + len, 0, tgt_len - len); | |
1843 | } | |
7854b056 FB |
1844 | } |
1845 | ||
c2aeb258 | 1846 | target_cmsg->cmsg_len = tswapal(tgt_len); |
ee104587 | 1847 | tgt_space = TARGET_CMSG_SPACE(len); |
c2aeb258 PM |
1848 | if (msg_controllen < tgt_space) { |
1849 | tgt_space = msg_controllen; | |
1850 | } | |
1851 | msg_controllen -= tgt_space; | |
1852 | space += tgt_space; | |
7854b056 | 1853 | cmsg = CMSG_NXTHDR(msgh, cmsg); |
ee104587 JN |
1854 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1855 | target_cmsg_start); | |
7854b056 | 1856 | } |
5a4a898d FB |
1857 | unlock_user(target_cmsg, target_cmsg_addr, space); |
1858 | the_end: | |
cbb21eed | 1859 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 1860 | return 0; |
7854b056 FB |
1861 | } |
1862 | ||
6c5b5645 LV |
1863 | static void tswap_nlmsghdr(struct nlmsghdr *nlh) |
1864 | { | |
1865 | nlh->nlmsg_len = tswap32(nlh->nlmsg_len); | |
1866 | nlh->nlmsg_type = tswap16(nlh->nlmsg_type); | |
1867 | nlh->nlmsg_flags = tswap16(nlh->nlmsg_flags); | |
1868 | nlh->nlmsg_seq = tswap32(nlh->nlmsg_seq); | |
1869 | nlh->nlmsg_pid = tswap32(nlh->nlmsg_pid); | |
1870 | } | |
1871 | ||
1872 | static abi_long host_to_target_for_each_nlmsg(struct nlmsghdr *nlh, | |
1873 | size_t len, | |
1874 | abi_long (*host_to_target_nlmsg) | |
1875 | (struct nlmsghdr *)) | |
1876 | { | |
1877 | uint32_t nlmsg_len; | |
1878 | abi_long ret; | |
1879 | ||
1880 | while (len > sizeof(struct nlmsghdr)) { | |
1881 | ||
1882 | nlmsg_len = nlh->nlmsg_len; | |
1883 | if (nlmsg_len < sizeof(struct nlmsghdr) || | |
1884 | nlmsg_len > len) { | |
1885 | break; | |
1886 | } | |
1887 | ||
1888 | switch (nlh->nlmsg_type) { | |
1889 | case NLMSG_DONE: | |
1890 | tswap_nlmsghdr(nlh); | |
1891 | return 0; | |
1892 | case NLMSG_NOOP: | |
1893 | break; | |
1894 | case NLMSG_ERROR: | |
1895 | { | |
1896 | struct nlmsgerr *e = NLMSG_DATA(nlh); | |
1897 | e->error = tswap32(e->error); | |
1898 | tswap_nlmsghdr(&e->msg); | |
1899 | tswap_nlmsghdr(nlh); | |
1900 | return 0; | |
1901 | } | |
1902 | default: | |
1903 | ret = host_to_target_nlmsg(nlh); | |
1904 | if (ret < 0) { | |
1905 | tswap_nlmsghdr(nlh); | |
1906 | return ret; | |
1907 | } | |
1908 | break; | |
1909 | } | |
1910 | tswap_nlmsghdr(nlh); | |
1911 | len -= NLMSG_ALIGN(nlmsg_len); | |
1912 | nlh = (struct nlmsghdr *)(((char*)nlh) + NLMSG_ALIGN(nlmsg_len)); | |
1913 | } | |
1914 | return 0; | |
1915 | } | |
1916 | ||
1917 | static abi_long target_to_host_for_each_nlmsg(struct nlmsghdr *nlh, | |
1918 | size_t len, | |
1919 | abi_long (*target_to_host_nlmsg) | |
1920 | (struct nlmsghdr *)) | |
1921 | { | |
1922 | int ret; | |
1923 | ||
1924 | while (len > sizeof(struct nlmsghdr)) { | |
1925 | if (tswap32(nlh->nlmsg_len) < sizeof(struct nlmsghdr) || | |
1926 | tswap32(nlh->nlmsg_len) > len) { | |
1927 | break; | |
1928 | } | |
1929 | tswap_nlmsghdr(nlh); | |
1930 | switch (nlh->nlmsg_type) { | |
1931 | case NLMSG_DONE: | |
1932 | return 0; | |
1933 | case NLMSG_NOOP: | |
1934 | break; | |
1935 | case NLMSG_ERROR: | |
1936 | { | |
1937 | struct nlmsgerr *e = NLMSG_DATA(nlh); | |
1938 | e->error = tswap32(e->error); | |
1939 | tswap_nlmsghdr(&e->msg); | |
84f34b00 | 1940 | return 0; |
6c5b5645 LV |
1941 | } |
1942 | default: | |
1943 | ret = target_to_host_nlmsg(nlh); | |
1944 | if (ret < 0) { | |
1945 | return ret; | |
1946 | } | |
1947 | } | |
1948 | len -= NLMSG_ALIGN(nlh->nlmsg_len); | |
1949 | nlh = (struct nlmsghdr *)(((char *)nlh) + NLMSG_ALIGN(nlh->nlmsg_len)); | |
1950 | } | |
1951 | return 0; | |
1952 | } | |
1953 | ||
575b22b1 | 1954 | #ifdef CONFIG_RTNETLINK |
c5dff280 LV |
1955 | static abi_long host_to_target_for_each_nlattr(struct nlattr *nlattr, |
1956 | size_t len, void *context, | |
1957 | abi_long (*host_to_target_nlattr) | |
1958 | (struct nlattr *, | |
1959 | void *context)) | |
1960 | { | |
1961 | unsigned short nla_len; | |
1962 | abi_long ret; | |
1963 | ||
1964 | while (len > sizeof(struct nlattr)) { | |
1965 | nla_len = nlattr->nla_len; | |
1966 | if (nla_len < sizeof(struct nlattr) || | |
1967 | nla_len > len) { | |
1968 | break; | |
1969 | } | |
1970 | ret = host_to_target_nlattr(nlattr, context); | |
1971 | nlattr->nla_len = tswap16(nlattr->nla_len); | |
1972 | nlattr->nla_type = tswap16(nlattr->nla_type); | |
1973 | if (ret < 0) { | |
1974 | return ret; | |
1975 | } | |
1976 | len -= NLA_ALIGN(nla_len); | |
1977 | nlattr = (struct nlattr *)(((char *)nlattr) + NLA_ALIGN(nla_len)); | |
1978 | } | |
1979 | return 0; | |
1980 | } | |
1981 | ||
6c5b5645 LV |
1982 | static abi_long host_to_target_for_each_rtattr(struct rtattr *rtattr, |
1983 | size_t len, | |
1984 | abi_long (*host_to_target_rtattr) | |
1985 | (struct rtattr *)) | |
1986 | { | |
1987 | unsigned short rta_len; | |
1988 | abi_long ret; | |
1989 | ||
1990 | while (len > sizeof(struct rtattr)) { | |
1991 | rta_len = rtattr->rta_len; | |
1992 | if (rta_len < sizeof(struct rtattr) || | |
1993 | rta_len > len) { | |
1994 | break; | |
1995 | } | |
1996 | ret = host_to_target_rtattr(rtattr); | |
1997 | rtattr->rta_len = tswap16(rtattr->rta_len); | |
1998 | rtattr->rta_type = tswap16(rtattr->rta_type); | |
1999 | if (ret < 0) { | |
2000 | return ret; | |
2001 | } | |
2002 | len -= RTA_ALIGN(rta_len); | |
2003 | rtattr = (struct rtattr *)(((char *)rtattr) + RTA_ALIGN(rta_len)); | |
2004 | } | |
2005 | return 0; | |
2006 | } | |
2007 | ||
c5dff280 LV |
2008 | #define NLA_DATA(nla) ((void *)((char *)(nla)) + NLA_HDRLEN) |
2009 | ||
2010 | static abi_long host_to_target_data_bridge_nlattr(struct nlattr *nlattr, | |
2011 | void *context) | |
2012 | { | |
2013 | uint16_t *u16; | |
2014 | uint32_t *u32; | |
2015 | uint64_t *u64; | |
2016 | ||
2017 | switch (nlattr->nla_type) { | |
2018 | /* no data */ | |
60c6b790 | 2019 | case QEMU_IFLA_BR_FDB_FLUSH: |
c5dff280 LV |
2020 | break; |
2021 | /* binary */ | |
60c6b790 | 2022 | case QEMU_IFLA_BR_GROUP_ADDR: |
c5dff280 LV |
2023 | break; |
2024 | /* uint8_t */ | |
60c6b790 MP |
2025 | case QEMU_IFLA_BR_VLAN_FILTERING: |
2026 | case QEMU_IFLA_BR_TOPOLOGY_CHANGE: | |
2027 | case QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED: | |
2028 | case QEMU_IFLA_BR_MCAST_ROUTER: | |
2029 | case QEMU_IFLA_BR_MCAST_SNOOPING: | |
2030 | case QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR: | |
2031 | case QEMU_IFLA_BR_MCAST_QUERIER: | |
2032 | case QEMU_IFLA_BR_NF_CALL_IPTABLES: | |
2033 | case QEMU_IFLA_BR_NF_CALL_IP6TABLES: | |
2034 | case QEMU_IFLA_BR_NF_CALL_ARPTABLES: | |
c5dff280 LV |
2035 | break; |
2036 | /* uint16_t */ | |
60c6b790 MP |
2037 | case QEMU_IFLA_BR_PRIORITY: |
2038 | case QEMU_IFLA_BR_VLAN_PROTOCOL: | |
2039 | case QEMU_IFLA_BR_GROUP_FWD_MASK: | |
2040 | case QEMU_IFLA_BR_ROOT_PORT: | |
2041 | case QEMU_IFLA_BR_VLAN_DEFAULT_PVID: | |
c5dff280 LV |
2042 | u16 = NLA_DATA(nlattr); |
2043 | *u16 = tswap16(*u16); | |
2044 | break; | |
2045 | /* uint32_t */ | |
60c6b790 MP |
2046 | case QEMU_IFLA_BR_FORWARD_DELAY: |
2047 | case QEMU_IFLA_BR_HELLO_TIME: | |
2048 | case QEMU_IFLA_BR_MAX_AGE: | |
2049 | case QEMU_IFLA_BR_AGEING_TIME: | |
2050 | case QEMU_IFLA_BR_STP_STATE: | |
2051 | case QEMU_IFLA_BR_ROOT_PATH_COST: | |
2052 | case QEMU_IFLA_BR_MCAST_HASH_ELASTICITY: | |
2053 | case QEMU_IFLA_BR_MCAST_HASH_MAX: | |
2054 | case QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT: | |
2055 | case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT: | |
c5dff280 LV |
2056 | u32 = NLA_DATA(nlattr); |
2057 | *u32 = tswap32(*u32); | |
2058 | break; | |
2059 | /* uint64_t */ | |
60c6b790 MP |
2060 | case QEMU_IFLA_BR_HELLO_TIMER: |
2061 | case QEMU_IFLA_BR_TCN_TIMER: | |
2062 | case QEMU_IFLA_BR_GC_TIMER: | |
2063 | case QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER: | |
2064 | case QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL: | |
2065 | case QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL: | |
2066 | case QEMU_IFLA_BR_MCAST_QUERIER_INTVL: | |
2067 | case QEMU_IFLA_BR_MCAST_QUERY_INTVL: | |
2068 | case QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL: | |
2069 | case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL: | |
c5dff280 LV |
2070 | u64 = NLA_DATA(nlattr); |
2071 | *u64 = tswap64(*u64); | |
2072 | break; | |
2073 | /* ifla_bridge_id: uin8_t[] */ | |
60c6b790 MP |
2074 | case QEMU_IFLA_BR_ROOT_ID: |
2075 | case QEMU_IFLA_BR_BRIDGE_ID: | |
c5dff280 LV |
2076 | break; |
2077 | default: | |
60c6b790 | 2078 | gemu_log("Unknown QEMU_IFLA_BR type %d\n", nlattr->nla_type); |
c5dff280 LV |
2079 | break; |
2080 | } | |
2081 | return 0; | |
2082 | } | |
2083 | ||
2084 | static abi_long host_to_target_slave_data_bridge_nlattr(struct nlattr *nlattr, | |
2085 | void *context) | |
2086 | { | |
2087 | uint16_t *u16; | |
2088 | uint32_t *u32; | |
2089 | uint64_t *u64; | |
2090 | ||
2091 | switch (nlattr->nla_type) { | |
2092 | /* uint8_t */ | |
60c6b790 MP |
2093 | case QEMU_IFLA_BRPORT_STATE: |
2094 | case QEMU_IFLA_BRPORT_MODE: | |
2095 | case QEMU_IFLA_BRPORT_GUARD: | |
2096 | case QEMU_IFLA_BRPORT_PROTECT: | |
2097 | case QEMU_IFLA_BRPORT_FAST_LEAVE: | |
2098 | case QEMU_IFLA_BRPORT_LEARNING: | |
2099 | case QEMU_IFLA_BRPORT_UNICAST_FLOOD: | |
2100 | case QEMU_IFLA_BRPORT_PROXYARP: | |
2101 | case QEMU_IFLA_BRPORT_LEARNING_SYNC: | |
2102 | case QEMU_IFLA_BRPORT_PROXYARP_WIFI: | |
2103 | case QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK: | |
2104 | case QEMU_IFLA_BRPORT_CONFIG_PENDING: | |
2105 | case QEMU_IFLA_BRPORT_MULTICAST_ROUTER: | |
c5dff280 LV |
2106 | break; |
2107 | /* uint16_t */ | |
60c6b790 MP |
2108 | case QEMU_IFLA_BRPORT_PRIORITY: |
2109 | case QEMU_IFLA_BRPORT_DESIGNATED_PORT: | |
2110 | case QEMU_IFLA_BRPORT_DESIGNATED_COST: | |
2111 | case QEMU_IFLA_BRPORT_ID: | |
2112 | case QEMU_IFLA_BRPORT_NO: | |
c5dff280 LV |
2113 | u16 = NLA_DATA(nlattr); |
2114 | *u16 = tswap16(*u16); | |
2115 | break; | |
2116 | /* uin32_t */ | |
60c6b790 | 2117 | case QEMU_IFLA_BRPORT_COST: |
c5dff280 LV |
2118 | u32 = NLA_DATA(nlattr); |
2119 | *u32 = tswap32(*u32); | |
2120 | break; | |
2121 | /* uint64_t */ | |
60c6b790 MP |
2122 | case QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER: |
2123 | case QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER: | |
2124 | case QEMU_IFLA_BRPORT_HOLD_TIMER: | |
c5dff280 LV |
2125 | u64 = NLA_DATA(nlattr); |
2126 | *u64 = tswap64(*u64); | |
2127 | break; | |
2128 | /* ifla_bridge_id: uint8_t[] */ | |
60c6b790 MP |
2129 | case QEMU_IFLA_BRPORT_ROOT_ID: |
2130 | case QEMU_IFLA_BRPORT_BRIDGE_ID: | |
c5dff280 LV |
2131 | break; |
2132 | default: | |
60c6b790 | 2133 | gemu_log("Unknown QEMU_IFLA_BRPORT type %d\n", nlattr->nla_type); |
c5dff280 LV |
2134 | break; |
2135 | } | |
2136 | return 0; | |
2137 | } | |
2138 | ||
2139 | struct linkinfo_context { | |
2140 | int len; | |
2141 | char *name; | |
2142 | int slave_len; | |
2143 | char *slave_name; | |
2144 | }; | |
2145 | ||
2146 | static abi_long host_to_target_data_linkinfo_nlattr(struct nlattr *nlattr, | |
2147 | void *context) | |
2148 | { | |
2149 | struct linkinfo_context *li_context = context; | |
2150 | ||
2151 | switch (nlattr->nla_type) { | |
2152 | /* string */ | |
60c6b790 | 2153 | case QEMU_IFLA_INFO_KIND: |
c5dff280 LV |
2154 | li_context->name = NLA_DATA(nlattr); |
2155 | li_context->len = nlattr->nla_len - NLA_HDRLEN; | |
2156 | break; | |
60c6b790 | 2157 | case QEMU_IFLA_INFO_SLAVE_KIND: |
c5dff280 LV |
2158 | li_context->slave_name = NLA_DATA(nlattr); |
2159 | li_context->slave_len = nlattr->nla_len - NLA_HDRLEN; | |
2160 | break; | |
2161 | /* stats */ | |
60c6b790 | 2162 | case QEMU_IFLA_INFO_XSTATS: |
c5dff280 LV |
2163 | /* FIXME: only used by CAN */ |
2164 | break; | |
2165 | /* nested */ | |
60c6b790 | 2166 | case QEMU_IFLA_INFO_DATA: |
c5dff280 LV |
2167 | if (strncmp(li_context->name, "bridge", |
2168 | li_context->len) == 0) { | |
2169 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), | |
2170 | nlattr->nla_len, | |
2171 | NULL, | |
2172 | host_to_target_data_bridge_nlattr); | |
2173 | } else { | |
60c6b790 | 2174 | gemu_log("Unknown QEMU_IFLA_INFO_KIND %s\n", li_context->name); |
c5dff280 LV |
2175 | } |
2176 | break; | |
60c6b790 | 2177 | case QEMU_IFLA_INFO_SLAVE_DATA: |
c5dff280 LV |
2178 | if (strncmp(li_context->slave_name, "bridge", |
2179 | li_context->slave_len) == 0) { | |
2180 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), | |
2181 | nlattr->nla_len, | |
2182 | NULL, | |
2183 | host_to_target_slave_data_bridge_nlattr); | |
2184 | } else { | |
60c6b790 | 2185 | gemu_log("Unknown QEMU_IFLA_INFO_SLAVE_KIND %s\n", |
c5dff280 LV |
2186 | li_context->slave_name); |
2187 | } | |
2188 | break; | |
2189 | default: | |
60c6b790 | 2190 | gemu_log("Unknown host QEMU_IFLA_INFO type: %d\n", nlattr->nla_type); |
c5dff280 LV |
2191 | break; |
2192 | } | |
2193 | ||
2194 | return 0; | |
2195 | } | |
2196 | ||
2197 | static abi_long host_to_target_data_inet_nlattr(struct nlattr *nlattr, | |
2198 | void *context) | |
2199 | { | |
2200 | uint32_t *u32; | |
2201 | int i; | |
2202 | ||
2203 | switch (nlattr->nla_type) { | |
60c6b790 | 2204 | case QEMU_IFLA_INET_CONF: |
c5dff280 LV |
2205 | u32 = NLA_DATA(nlattr); |
2206 | for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u32); | |
2207 | i++) { | |
2208 | u32[i] = tswap32(u32[i]); | |
2209 | } | |
2210 | break; | |
2211 | default: | |
2212 | gemu_log("Unknown host AF_INET type: %d\n", nlattr->nla_type); | |
2213 | } | |
2214 | return 0; | |
2215 | } | |
2216 | ||
2217 | static abi_long host_to_target_data_inet6_nlattr(struct nlattr *nlattr, | |
2218 | void *context) | |
2219 | { | |
2220 | uint32_t *u32; | |
2221 | uint64_t *u64; | |
2222 | struct ifla_cacheinfo *ci; | |
2223 | int i; | |
2224 | ||
2225 | switch (nlattr->nla_type) { | |
2226 | /* binaries */ | |
60c6b790 | 2227 | case QEMU_IFLA_INET6_TOKEN: |
c5dff280 LV |
2228 | break; |
2229 | /* uint8_t */ | |
60c6b790 | 2230 | case QEMU_IFLA_INET6_ADDR_GEN_MODE: |
c5dff280 LV |
2231 | break; |
2232 | /* uint32_t */ | |
60c6b790 | 2233 | case QEMU_IFLA_INET6_FLAGS: |
c5dff280 LV |
2234 | u32 = NLA_DATA(nlattr); |
2235 | *u32 = tswap32(*u32); | |
2236 | break; | |
2237 | /* uint32_t[] */ | |
60c6b790 | 2238 | case QEMU_IFLA_INET6_CONF: |
c5dff280 LV |
2239 | u32 = NLA_DATA(nlattr); |
2240 | for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u32); | |
2241 | i++) { | |
2242 | u32[i] = tswap32(u32[i]); | |
2243 | } | |
2244 | break; | |
2245 | /* ifla_cacheinfo */ | |
60c6b790 | 2246 | case QEMU_IFLA_INET6_CACHEINFO: |
c5dff280 LV |
2247 | ci = NLA_DATA(nlattr); |
2248 | ci->max_reasm_len = tswap32(ci->max_reasm_len); | |
2249 | ci->tstamp = tswap32(ci->tstamp); | |
2250 | ci->reachable_time = tswap32(ci->reachable_time); | |
2251 | ci->retrans_time = tswap32(ci->retrans_time); | |
2252 | break; | |
2253 | /* uint64_t[] */ | |
60c6b790 MP |
2254 | case QEMU_IFLA_INET6_STATS: |
2255 | case QEMU_IFLA_INET6_ICMP6STATS: | |
c5dff280 LV |
2256 | u64 = NLA_DATA(nlattr); |
2257 | for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u64); | |
2258 | i++) { | |
2259 | u64[i] = tswap64(u64[i]); | |
2260 | } | |
2261 | break; | |
2262 | default: | |
2263 | gemu_log("Unknown host AF_INET6 type: %d\n", nlattr->nla_type); | |
2264 | } | |
2265 | return 0; | |
2266 | } | |
2267 | ||
2268 | static abi_long host_to_target_data_spec_nlattr(struct nlattr *nlattr, | |
2269 | void *context) | |
2270 | { | |
2271 | switch (nlattr->nla_type) { | |
2272 | case AF_INET: | |
2273 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len, | |
2274 | NULL, | |
2275 | host_to_target_data_inet_nlattr); | |
2276 | case AF_INET6: | |
2277 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len, | |
2278 | NULL, | |
2279 | host_to_target_data_inet6_nlattr); | |
2280 | default: | |
2281 | gemu_log("Unknown host AF_SPEC type: %d\n", nlattr->nla_type); | |
2282 | break; | |
2283 | } | |
2284 | return 0; | |
2285 | } | |
2286 | ||
6c5b5645 LV |
2287 | static abi_long host_to_target_data_link_rtattr(struct rtattr *rtattr) |
2288 | { | |
2289 | uint32_t *u32; | |
2290 | struct rtnl_link_stats *st; | |
2291 | struct rtnl_link_stats64 *st64; | |
2292 | struct rtnl_link_ifmap *map; | |
c5dff280 | 2293 | struct linkinfo_context li_context; |
6c5b5645 LV |
2294 | |
2295 | switch (rtattr->rta_type) { | |
2296 | /* binary stream */ | |
60c6b790 MP |
2297 | case QEMU_IFLA_ADDRESS: |
2298 | case QEMU_IFLA_BROADCAST: | |
6c5b5645 | 2299 | /* string */ |
60c6b790 MP |
2300 | case QEMU_IFLA_IFNAME: |
2301 | case QEMU_IFLA_QDISC: | |
6c5b5645 LV |
2302 | break; |
2303 | /* uin8_t */ | |
60c6b790 MP |
2304 | case QEMU_IFLA_OPERSTATE: |
2305 | case QEMU_IFLA_LINKMODE: | |
2306 | case QEMU_IFLA_CARRIER: | |
2307 | case QEMU_IFLA_PROTO_DOWN: | |
6c5b5645 LV |
2308 | break; |
2309 | /* uint32_t */ | |
60c6b790 MP |
2310 | case QEMU_IFLA_MTU: |
2311 | case QEMU_IFLA_LINK: | |
2312 | case QEMU_IFLA_WEIGHT: | |
2313 | case QEMU_IFLA_TXQLEN: | |
2314 | case QEMU_IFLA_CARRIER_CHANGES: | |
2315 | case QEMU_IFLA_NUM_RX_QUEUES: | |
2316 | case QEMU_IFLA_NUM_TX_QUEUES: | |
2317 | case QEMU_IFLA_PROMISCUITY: | |
2318 | case QEMU_IFLA_EXT_MASK: | |
2319 | case QEMU_IFLA_LINK_NETNSID: | |
2320 | case QEMU_IFLA_GROUP: | |
2321 | case QEMU_IFLA_MASTER: | |
2322 | case QEMU_IFLA_NUM_VF: | |
6c5b5645 LV |
2323 | u32 = RTA_DATA(rtattr); |
2324 | *u32 = tswap32(*u32); | |
2325 | break; | |
2326 | /* struct rtnl_link_stats */ | |
60c6b790 | 2327 | case QEMU_IFLA_STATS: |
6c5b5645 LV |
2328 | st = RTA_DATA(rtattr); |
2329 | st->rx_packets = tswap32(st->rx_packets); | |
2330 | st->tx_packets = tswap32(st->tx_packets); | |
2331 | st->rx_bytes = tswap32(st->rx_bytes); | |
2332 | st->tx_bytes = tswap32(st->tx_bytes); | |
2333 | st->rx_errors = tswap32(st->rx_errors); | |
2334 | st->tx_errors = tswap32(st->tx_errors); | |
2335 | st->rx_dropped = tswap32(st->rx_dropped); | |
2336 | st->tx_dropped = tswap32(st->tx_dropped); | |
2337 | st->multicast = tswap32(st->multicast); | |
2338 | st->collisions = tswap32(st->collisions); | |
2339 | ||
2340 | /* detailed rx_errors: */ | |
2341 | st->rx_length_errors = tswap32(st->rx_length_errors); | |
2342 | st->rx_over_errors = tswap32(st->rx_over_errors); | |
2343 | st->rx_crc_errors = tswap32(st->rx_crc_errors); | |
2344 | st->rx_frame_errors = tswap32(st->rx_frame_errors); | |
2345 | st->rx_fifo_errors = tswap32(st->rx_fifo_errors); | |
2346 | st->rx_missed_errors = tswap32(st->rx_missed_errors); | |
2347 | ||
2348 | /* detailed tx_errors */ | |
2349 | st->tx_aborted_errors = tswap32(st->tx_aborted_errors); | |
2350 | st->tx_carrier_errors = tswap32(st->tx_carrier_errors); | |
2351 | st->tx_fifo_errors = tswap32(st->tx_fifo_errors); | |
2352 | st->tx_heartbeat_errors = tswap32(st->tx_heartbeat_errors); | |
2353 | st->tx_window_errors = tswap32(st->tx_window_errors); | |
2354 | ||
2355 | /* for cslip etc */ | |
2356 | st->rx_compressed = tswap32(st->rx_compressed); | |
2357 | st->tx_compressed = tswap32(st->tx_compressed); | |
2358 | break; | |
2359 | /* struct rtnl_link_stats64 */ | |
60c6b790 | 2360 | case QEMU_IFLA_STATS64: |
6c5b5645 LV |
2361 | st64 = RTA_DATA(rtattr); |
2362 | st64->rx_packets = tswap64(st64->rx_packets); | |
2363 | st64->tx_packets = tswap64(st64->tx_packets); | |
2364 | st64->rx_bytes = tswap64(st64->rx_bytes); | |
2365 | st64->tx_bytes = tswap64(st64->tx_bytes); | |
2366 | st64->rx_errors = tswap64(st64->rx_errors); | |
2367 | st64->tx_errors = tswap64(st64->tx_errors); | |
2368 | st64->rx_dropped = tswap64(st64->rx_dropped); | |
2369 | st64->tx_dropped = tswap64(st64->tx_dropped); | |
2370 | st64->multicast = tswap64(st64->multicast); | |
2371 | st64->collisions = tswap64(st64->collisions); | |
2372 | ||
2373 | /* detailed rx_errors: */ | |
2374 | st64->rx_length_errors = tswap64(st64->rx_length_errors); | |
2375 | st64->rx_over_errors = tswap64(st64->rx_over_errors); | |
2376 | st64->rx_crc_errors = tswap64(st64->rx_crc_errors); | |
2377 | st64->rx_frame_errors = tswap64(st64->rx_frame_errors); | |
2378 | st64->rx_fifo_errors = tswap64(st64->rx_fifo_errors); | |
2379 | st64->rx_missed_errors = tswap64(st64->rx_missed_errors); | |
2380 | ||
2381 | /* detailed tx_errors */ | |
2382 | st64->tx_aborted_errors = tswap64(st64->tx_aborted_errors); | |
2383 | st64->tx_carrier_errors = tswap64(st64->tx_carrier_errors); | |
2384 | st64->tx_fifo_errors = tswap64(st64->tx_fifo_errors); | |
2385 | st64->tx_heartbeat_errors = tswap64(st64->tx_heartbeat_errors); | |
2386 | st64->tx_window_errors = tswap64(st64->tx_window_errors); | |
2387 | ||
2388 | /* for cslip etc */ | |
2389 | st64->rx_compressed = tswap64(st64->rx_compressed); | |
2390 | st64->tx_compressed = tswap64(st64->tx_compressed); | |
2391 | break; | |
2392 | /* struct rtnl_link_ifmap */ | |
60c6b790 | 2393 | case QEMU_IFLA_MAP: |
6c5b5645 LV |
2394 | map = RTA_DATA(rtattr); |
2395 | map->mem_start = tswap64(map->mem_start); | |
2396 | map->mem_end = tswap64(map->mem_end); | |
2397 | map->base_addr = tswap64(map->base_addr); | |
2398 | map->irq = tswap16(map->irq); | |
2399 | break; | |
2400 | /* nested */ | |
60c6b790 | 2401 | case QEMU_IFLA_LINKINFO: |
c5dff280 LV |
2402 | memset(&li_context, 0, sizeof(li_context)); |
2403 | return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len, | |
2404 | &li_context, | |
2405 | host_to_target_data_linkinfo_nlattr); | |
60c6b790 | 2406 | case QEMU_IFLA_AF_SPEC: |
c5dff280 LV |
2407 | return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len, |
2408 | NULL, | |
2409 | host_to_target_data_spec_nlattr); | |
6c5b5645 | 2410 | default: |
60c6b790 | 2411 | gemu_log("Unknown host QEMU_IFLA type: %d\n", rtattr->rta_type); |
6c5b5645 LV |
2412 | break; |
2413 | } | |
2414 | return 0; | |
2415 | } | |
2416 | ||
2417 | static abi_long host_to_target_data_addr_rtattr(struct rtattr *rtattr) | |
2418 | { | |
2419 | uint32_t *u32; | |
2420 | struct ifa_cacheinfo *ci; | |
2421 | ||
2422 | switch (rtattr->rta_type) { | |
2423 | /* binary: depends on family type */ | |
2424 | case IFA_ADDRESS: | |
2425 | case IFA_LOCAL: | |
2426 | break; | |
2427 | /* string */ | |
2428 | case IFA_LABEL: | |
2429 | break; | |
2430 | /* u32 */ | |
2431 | case IFA_FLAGS: | |
2432 | case IFA_BROADCAST: | |
2433 | u32 = RTA_DATA(rtattr); | |
2434 | *u32 = tswap32(*u32); | |
2435 | break; | |
2436 | /* struct ifa_cacheinfo */ | |
2437 | case IFA_CACHEINFO: | |
2438 | ci = RTA_DATA(rtattr); | |
2439 | ci->ifa_prefered = tswap32(ci->ifa_prefered); | |
2440 | ci->ifa_valid = tswap32(ci->ifa_valid); | |
2441 | ci->cstamp = tswap32(ci->cstamp); | |
2442 | ci->tstamp = tswap32(ci->tstamp); | |
2443 | break; | |
2444 | default: | |
2445 | gemu_log("Unknown host IFA type: %d\n", rtattr->rta_type); | |
2446 | break; | |
2447 | } | |
2448 | return 0; | |
2449 | } | |
2450 | ||
2451 | static abi_long host_to_target_data_route_rtattr(struct rtattr *rtattr) | |
2452 | { | |
2453 | uint32_t *u32; | |
2454 | switch (rtattr->rta_type) { | |
2455 | /* binary: depends on family type */ | |
2456 | case RTA_GATEWAY: | |
2457 | case RTA_DST: | |
2458 | case RTA_PREFSRC: | |
2459 | break; | |
2460 | /* u32 */ | |
2461 | case RTA_PRIORITY: | |
2462 | case RTA_TABLE: | |
2463 | case RTA_OIF: | |
2464 | u32 = RTA_DATA(rtattr); | |
2465 | *u32 = tswap32(*u32); | |
2466 | break; | |
2467 | default: | |
2468 | gemu_log("Unknown host RTA type: %d\n", rtattr->rta_type); | |
2469 | break; | |
2470 | } | |
2471 | return 0; | |
2472 | } | |
2473 | ||
2474 | static abi_long host_to_target_link_rtattr(struct rtattr *rtattr, | |
2475 | uint32_t rtattr_len) | |
2476 | { | |
2477 | return host_to_target_for_each_rtattr(rtattr, rtattr_len, | |
2478 | host_to_target_data_link_rtattr); | |
2479 | } | |
2480 | ||
2481 | static abi_long host_to_target_addr_rtattr(struct rtattr *rtattr, | |
2482 | uint32_t rtattr_len) | |
2483 | { | |
2484 | return host_to_target_for_each_rtattr(rtattr, rtattr_len, | |
2485 | host_to_target_data_addr_rtattr); | |
2486 | } | |
2487 | ||
2488 | static abi_long host_to_target_route_rtattr(struct rtattr *rtattr, | |
2489 | uint32_t rtattr_len) | |
2490 | { | |
2491 | return host_to_target_for_each_rtattr(rtattr, rtattr_len, | |
2492 | host_to_target_data_route_rtattr); | |
2493 | } | |
2494 | ||
2495 | static abi_long host_to_target_data_route(struct nlmsghdr *nlh) | |
2496 | { | |
2497 | uint32_t nlmsg_len; | |
2498 | struct ifinfomsg *ifi; | |
2499 | struct ifaddrmsg *ifa; | |
2500 | struct rtmsg *rtm; | |
2501 | ||
2502 | nlmsg_len = nlh->nlmsg_len; | |
2503 | switch (nlh->nlmsg_type) { | |
2504 | case RTM_NEWLINK: | |
2505 | case RTM_DELLINK: | |
2506 | case RTM_GETLINK: | |
b9403979 LV |
2507 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) { |
2508 | ifi = NLMSG_DATA(nlh); | |
2509 | ifi->ifi_type = tswap16(ifi->ifi_type); | |
2510 | ifi->ifi_index = tswap32(ifi->ifi_index); | |
2511 | ifi->ifi_flags = tswap32(ifi->ifi_flags); | |
2512 | ifi->ifi_change = tswap32(ifi->ifi_change); | |
2513 | host_to_target_link_rtattr(IFLA_RTA(ifi), | |
2514 | nlmsg_len - NLMSG_LENGTH(sizeof(*ifi))); | |
2515 | } | |
6c5b5645 LV |
2516 | break; |
2517 | case RTM_NEWADDR: | |
2518 | case RTM_DELADDR: | |
2519 | case RTM_GETADDR: | |
b9403979 LV |
2520 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifa))) { |
2521 | ifa = NLMSG_DATA(nlh); | |
2522 | ifa->ifa_index = tswap32(ifa->ifa_index); | |
2523 | host_to_target_addr_rtattr(IFA_RTA(ifa), | |
2524 | nlmsg_len - NLMSG_LENGTH(sizeof(*ifa))); | |
2525 | } | |
6c5b5645 LV |
2526 | break; |
2527 | case RTM_NEWROUTE: | |
2528 | case RTM_DELROUTE: | |
2529 | case RTM_GETROUTE: | |
b9403979 LV |
2530 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) { |
2531 | rtm = NLMSG_DATA(nlh); | |
2532 | rtm->rtm_flags = tswap32(rtm->rtm_flags); | |
2533 | host_to_target_route_rtattr(RTM_RTA(rtm), | |
2534 | nlmsg_len - NLMSG_LENGTH(sizeof(*rtm))); | |
2535 | } | |
6c5b5645 LV |
2536 | break; |
2537 | default: | |
2538 | return -TARGET_EINVAL; | |
2539 | } | |
2540 | return 0; | |
2541 | } | |
2542 | ||
2543 | static inline abi_long host_to_target_nlmsg_route(struct nlmsghdr *nlh, | |
2544 | size_t len) | |
2545 | { | |
2546 | return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_route); | |
2547 | } | |
2548 | ||
2549 | static abi_long target_to_host_for_each_rtattr(struct rtattr *rtattr, | |
2550 | size_t len, | |
2551 | abi_long (*target_to_host_rtattr) | |
2552 | (struct rtattr *)) | |
2553 | { | |
2554 | abi_long ret; | |
2555 | ||
2556 | while (len >= sizeof(struct rtattr)) { | |
2557 | if (tswap16(rtattr->rta_len) < sizeof(struct rtattr) || | |
2558 | tswap16(rtattr->rta_len) > len) { | |
2559 | break; | |
2560 | } | |
2561 | rtattr->rta_len = tswap16(rtattr->rta_len); | |
2562 | rtattr->rta_type = tswap16(rtattr->rta_type); | |
2563 | ret = target_to_host_rtattr(rtattr); | |
2564 | if (ret < 0) { | |
2565 | return ret; | |
2566 | } | |
2567 | len -= RTA_ALIGN(rtattr->rta_len); | |
2568 | rtattr = (struct rtattr *)(((char *)rtattr) + | |
2569 | RTA_ALIGN(rtattr->rta_len)); | |
2570 | } | |
2571 | return 0; | |
2572 | } | |
2573 | ||
2574 | static abi_long target_to_host_data_link_rtattr(struct rtattr *rtattr) | |
2575 | { | |
2576 | switch (rtattr->rta_type) { | |
2577 | default: | |
60c6b790 | 2578 | gemu_log("Unknown target QEMU_IFLA type: %d\n", rtattr->rta_type); |
6c5b5645 LV |
2579 | break; |
2580 | } | |
2581 | return 0; | |
2582 | } | |
2583 | ||
2584 | static abi_long target_to_host_data_addr_rtattr(struct rtattr *rtattr) | |
2585 | { | |
2586 | switch (rtattr->rta_type) { | |
2587 | /* binary: depends on family type */ | |
2588 | case IFA_LOCAL: | |
2589 | case IFA_ADDRESS: | |
2590 | break; | |
2591 | default: | |
2592 | gemu_log("Unknown target IFA type: %d\n", rtattr->rta_type); | |
2593 | break; | |
2594 | } | |
2595 | return 0; | |
2596 | } | |
2597 | ||
2598 | static abi_long target_to_host_data_route_rtattr(struct rtattr *rtattr) | |
2599 | { | |
2600 | uint32_t *u32; | |
2601 | switch (rtattr->rta_type) { | |
2602 | /* binary: depends on family type */ | |
2603 | case RTA_DST: | |
2604 | case RTA_SRC: | |
2605 | case RTA_GATEWAY: | |
2606 | break; | |
2607 | /* u32 */ | |
434f286b | 2608 | case RTA_PRIORITY: |
6c5b5645 LV |
2609 | case RTA_OIF: |
2610 | u32 = RTA_DATA(rtattr); | |
2611 | *u32 = tswap32(*u32); | |
2612 | break; | |
2613 | default: | |
2614 | gemu_log("Unknown target RTA type: %d\n", rtattr->rta_type); | |
2615 | break; | |
2616 | } | |
2617 | return 0; | |
2618 | } | |
2619 | ||
2620 | static void target_to_host_link_rtattr(struct rtattr *rtattr, | |
2621 | uint32_t rtattr_len) | |
2622 | { | |
2623 | target_to_host_for_each_rtattr(rtattr, rtattr_len, | |
2624 | target_to_host_data_link_rtattr); | |
2625 | } | |
2626 | ||
2627 | static void target_to_host_addr_rtattr(struct rtattr *rtattr, | |
2628 | uint32_t rtattr_len) | |
2629 | { | |
2630 | target_to_host_for_each_rtattr(rtattr, rtattr_len, | |
2631 | target_to_host_data_addr_rtattr); | |
2632 | } | |
2633 | ||
2634 | static void target_to_host_route_rtattr(struct rtattr *rtattr, | |
2635 | uint32_t rtattr_len) | |
2636 | { | |
2637 | target_to_host_for_each_rtattr(rtattr, rtattr_len, | |
2638 | target_to_host_data_route_rtattr); | |
2639 | } | |
2640 | ||
2641 | static abi_long target_to_host_data_route(struct nlmsghdr *nlh) | |
2642 | { | |
2643 | struct ifinfomsg *ifi; | |
2644 | struct ifaddrmsg *ifa; | |
2645 | struct rtmsg *rtm; | |
2646 | ||
2647 | switch (nlh->nlmsg_type) { | |
2648 | case RTM_GETLINK: | |
2649 | break; | |
2650 | case RTM_NEWLINK: | |
2651 | case RTM_DELLINK: | |
b9403979 LV |
2652 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) { |
2653 | ifi = NLMSG_DATA(nlh); | |
2654 | ifi->ifi_type = tswap16(ifi->ifi_type); | |
2655 | ifi->ifi_index = tswap32(ifi->ifi_index); | |
2656 | ifi->ifi_flags = tswap32(ifi->ifi_flags); | |
2657 | ifi->ifi_change = tswap32(ifi->ifi_change); | |
2658 | target_to_host_link_rtattr(IFLA_RTA(ifi), nlh->nlmsg_len - | |
2659 | NLMSG_LENGTH(sizeof(*ifi))); | |
2660 | } | |
6c5b5645 LV |
2661 | break; |
2662 | case RTM_GETADDR: | |
2663 | case RTM_NEWADDR: | |
2664 | case RTM_DELADDR: | |
b9403979 LV |
2665 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifa))) { |
2666 | ifa = NLMSG_DATA(nlh); | |
2667 | ifa->ifa_index = tswap32(ifa->ifa_index); | |
2668 | target_to_host_addr_rtattr(IFA_RTA(ifa), nlh->nlmsg_len - | |
2669 | NLMSG_LENGTH(sizeof(*ifa))); | |
2670 | } | |
6c5b5645 LV |
2671 | break; |
2672 | case RTM_GETROUTE: | |
2673 | break; | |
2674 | case RTM_NEWROUTE: | |
2675 | case RTM_DELROUTE: | |
b9403979 LV |
2676 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) { |
2677 | rtm = NLMSG_DATA(nlh); | |
2678 | rtm->rtm_flags = tswap32(rtm->rtm_flags); | |
2679 | target_to_host_route_rtattr(RTM_RTA(rtm), nlh->nlmsg_len - | |
2680 | NLMSG_LENGTH(sizeof(*rtm))); | |
2681 | } | |
6c5b5645 LV |
2682 | break; |
2683 | default: | |
2684 | return -TARGET_EOPNOTSUPP; | |
2685 | } | |
2686 | return 0; | |
2687 | } | |
2688 | ||
2689 | static abi_long target_to_host_nlmsg_route(struct nlmsghdr *nlh, size_t len) | |
2690 | { | |
2691 | return target_to_host_for_each_nlmsg(nlh, len, target_to_host_data_route); | |
2692 | } | |
575b22b1 | 2693 | #endif /* CONFIG_RTNETLINK */ |
6c5b5645 | 2694 | |
5ce9bb59 LV |
2695 | static abi_long host_to_target_data_audit(struct nlmsghdr *nlh) |
2696 | { | |
2697 | switch (nlh->nlmsg_type) { | |
2698 | default: | |
2699 | gemu_log("Unknown host audit message type %d\n", | |
2700 | nlh->nlmsg_type); | |
2701 | return -TARGET_EINVAL; | |
2702 | } | |
2703 | return 0; | |
2704 | } | |
2705 | ||
2706 | static inline abi_long host_to_target_nlmsg_audit(struct nlmsghdr *nlh, | |
2707 | size_t len) | |
2708 | { | |
2709 | return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_audit); | |
2710 | } | |
2711 | ||
2712 | static abi_long target_to_host_data_audit(struct nlmsghdr *nlh) | |
2713 | { | |
2714 | switch (nlh->nlmsg_type) { | |
2715 | case AUDIT_USER: | |
2716 | case AUDIT_FIRST_USER_MSG ... AUDIT_LAST_USER_MSG: | |
2717 | case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2: | |
2718 | break; | |
2719 | default: | |
2720 | gemu_log("Unknown target audit message type %d\n", | |
2721 | nlh->nlmsg_type); | |
2722 | return -TARGET_EINVAL; | |
2723 | } | |
2724 | ||
2725 | return 0; | |
2726 | } | |
2727 | ||
2728 | static abi_long target_to_host_nlmsg_audit(struct nlmsghdr *nlh, size_t len) | |
2729 | { | |
2730 | return target_to_host_for_each_nlmsg(nlh, len, target_to_host_data_audit); | |
2731 | } | |
2732 | ||
0da46a6e | 2733 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 2734 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 2735 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 2736 | { |
992f48a0 | 2737 | abi_long ret; |
32407103 | 2738 | int val; |
b975b83b | 2739 | struct ip_mreqn *ip_mreq; |
6e3cb58f | 2740 | struct ip_mreq_source *ip_mreq_source; |
3b46e624 | 2741 | |
8853f86e FB |
2742 | switch(level) { |
2743 | case SOL_TCP: | |
7854b056 | 2744 | /* TCP options all take an 'int' value. */ |
7854b056 | 2745 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 2746 | return -TARGET_EINVAL; |
3b46e624 | 2747 | |
2f619698 FB |
2748 | if (get_user_u32(val, optval_addr)) |
2749 | return -TARGET_EFAULT; | |
8853f86e FB |
2750 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
2751 | break; | |
2752 | case SOL_IP: | |
2753 | switch(optname) { | |
2efbe911 FB |
2754 | case IP_TOS: |
2755 | case IP_TTL: | |
8853f86e | 2756 | case IP_HDRINCL: |
2efbe911 FB |
2757 | case IP_ROUTER_ALERT: |
2758 | case IP_RECVOPTS: | |
2759 | case IP_RETOPTS: | |
2760 | case IP_PKTINFO: | |
2761 | case IP_MTU_DISCOVER: | |
2762 | case IP_RECVERR: | |
2763 | case IP_RECVTOS: | |
2764 | #ifdef IP_FREEBIND | |
2765 | case IP_FREEBIND: | |
2766 | #endif | |
2767 | case IP_MULTICAST_TTL: | |
2768 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
2769 | val = 0; |
2770 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
2771 | if (get_user_u32(val, optval_addr)) |
2772 | return -TARGET_EFAULT; | |
8853f86e | 2773 | } else if (optlen >= 1) { |
2f619698 FB |
2774 | if (get_user_u8(val, optval_addr)) |
2775 | return -TARGET_EFAULT; | |
8853f86e FB |
2776 | } |
2777 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
2778 | break; | |
b975b83b LL |
2779 | case IP_ADD_MEMBERSHIP: |
2780 | case IP_DROP_MEMBERSHIP: | |
2781 | if (optlen < sizeof (struct target_ip_mreq) || | |
2782 | optlen > sizeof (struct target_ip_mreqn)) | |
2783 | return -TARGET_EINVAL; | |
2784 | ||
2785 | ip_mreq = (struct ip_mreqn *) alloca(optlen); | |
2786 | target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); | |
2787 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); | |
2788 | break; | |
2789 | ||
6e3cb58f LL |
2790 | case IP_BLOCK_SOURCE: |
2791 | case IP_UNBLOCK_SOURCE: | |
2792 | case IP_ADD_SOURCE_MEMBERSHIP: | |
2793 | case IP_DROP_SOURCE_MEMBERSHIP: | |
2794 | if (optlen != sizeof (struct target_ip_mreq_source)) | |
2795 | return -TARGET_EINVAL; | |
2796 | ||
2797 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
2798 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); | |
2799 | unlock_user (ip_mreq_source, optval_addr, 0); | |
2800 | break; | |
2801 | ||
920394db JH |
2802 | default: |
2803 | goto unimplemented; | |
2804 | } | |
2805 | break; | |
0d78b3b5 LV |
2806 | case SOL_IPV6: |
2807 | switch (optname) { | |
2808 | case IPV6_MTU_DISCOVER: | |
2809 | case IPV6_MTU: | |
2810 | case IPV6_V6ONLY: | |
2811 | case IPV6_RECVPKTINFO: | |
2812 | val = 0; | |
2813 | if (optlen < sizeof(uint32_t)) { | |
2814 | return -TARGET_EINVAL; | |
2815 | } | |
2816 | if (get_user_u32(val, optval_addr)) { | |
2817 | return -TARGET_EFAULT; | |
2818 | } | |
2819 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2820 | &val, sizeof(val))); | |
2821 | break; | |
2822 | default: | |
2823 | goto unimplemented; | |
2824 | } | |
2825 | break; | |
920394db JH |
2826 | case SOL_RAW: |
2827 | switch (optname) { | |
2828 | case ICMP_FILTER: | |
2829 | /* struct icmp_filter takes an u32 value */ | |
2830 | if (optlen < sizeof(uint32_t)) { | |
2831 | return -TARGET_EINVAL; | |
2832 | } | |
2833 | ||
2834 | if (get_user_u32(val, optval_addr)) { | |
2835 | return -TARGET_EFAULT; | |
2836 | } | |
2837 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2838 | &val, sizeof(val))); | |
2839 | break; | |
2840 | ||
8853f86e FB |
2841 | default: |
2842 | goto unimplemented; | |
2843 | } | |
2844 | break; | |
3532fa74 | 2845 | case TARGET_SOL_SOCKET: |
8853f86e | 2846 | switch (optname) { |
1b09aeb9 LV |
2847 | case TARGET_SO_RCVTIMEO: |
2848 | { | |
2849 | struct timeval tv; | |
2850 | ||
2851 | optname = SO_RCVTIMEO; | |
2852 | ||
2853 | set_timeout: | |
2854 | if (optlen != sizeof(struct target_timeval)) { | |
2855 | return -TARGET_EINVAL; | |
2856 | } | |
2857 | ||
2858 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
2859 | return -TARGET_EFAULT; | |
2860 | } | |
2861 | ||
2862 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, | |
2863 | &tv, sizeof(tv))); | |
2864 | return ret; | |
2865 | } | |
2866 | case TARGET_SO_SNDTIMEO: | |
2867 | optname = SO_SNDTIMEO; | |
2868 | goto set_timeout; | |
f57d4192 LV |
2869 | case TARGET_SO_ATTACH_FILTER: |
2870 | { | |
2871 | struct target_sock_fprog *tfprog; | |
2872 | struct target_sock_filter *tfilter; | |
2873 | struct sock_fprog fprog; | |
2874 | struct sock_filter *filter; | |
2875 | int i; | |
2876 | ||
2877 | if (optlen != sizeof(*tfprog)) { | |
2878 | return -TARGET_EINVAL; | |
2879 | } | |
2880 | if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { | |
2881 | return -TARGET_EFAULT; | |
2882 | } | |
2883 | if (!lock_user_struct(VERIFY_READ, tfilter, | |
2884 | tswapal(tfprog->filter), 0)) { | |
2885 | unlock_user_struct(tfprog, optval_addr, 1); | |
2886 | return -TARGET_EFAULT; | |
2887 | } | |
2888 | ||
2889 | fprog.len = tswap16(tfprog->len); | |
0e173b24 | 2890 | filter = g_try_new(struct sock_filter, fprog.len); |
f57d4192 LV |
2891 | if (filter == NULL) { |
2892 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2893 | unlock_user_struct(tfprog, optval_addr, 1); | |
2894 | return -TARGET_ENOMEM; | |
2895 | } | |
2896 | for (i = 0; i < fprog.len; i++) { | |
2897 | filter[i].code = tswap16(tfilter[i].code); | |
2898 | filter[i].jt = tfilter[i].jt; | |
2899 | filter[i].jf = tfilter[i].jf; | |
2900 | filter[i].k = tswap32(tfilter[i].k); | |
2901 | } | |
2902 | fprog.filter = filter; | |
2903 | ||
2904 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, | |
2905 | SO_ATTACH_FILTER, &fprog, sizeof(fprog))); | |
0e173b24 | 2906 | g_free(filter); |
f57d4192 LV |
2907 | |
2908 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2909 | unlock_user_struct(tfprog, optval_addr, 1); | |
2910 | return ret; | |
2911 | } | |
451aaf68 JT |
2912 | case TARGET_SO_BINDTODEVICE: |
2913 | { | |
2914 | char *dev_ifname, *addr_ifname; | |
2915 | ||
2916 | if (optlen > IFNAMSIZ - 1) { | |
2917 | optlen = IFNAMSIZ - 1; | |
2918 | } | |
2919 | dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
2920 | if (!dev_ifname) { | |
2921 | return -TARGET_EFAULT; | |
2922 | } | |
2923 | optname = SO_BINDTODEVICE; | |
2924 | addr_ifname = alloca(IFNAMSIZ); | |
2925 | memcpy(addr_ifname, dev_ifname, optlen); | |
2926 | addr_ifname[optlen] = 0; | |
fad6c58a CG |
2927 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, |
2928 | addr_ifname, optlen)); | |
451aaf68 JT |
2929 | unlock_user (dev_ifname, optval_addr, 0); |
2930 | return ret; | |
2931 | } | |
8853f86e | 2932 | /* Options with 'int' argument. */ |
3532fa74 FB |
2933 | case TARGET_SO_DEBUG: |
2934 | optname = SO_DEBUG; | |
2935 | break; | |
2936 | case TARGET_SO_REUSEADDR: | |
2937 | optname = SO_REUSEADDR; | |
2938 | break; | |
2939 | case TARGET_SO_TYPE: | |
2940 | optname = SO_TYPE; | |
2941 | break; | |
2942 | case TARGET_SO_ERROR: | |
2943 | optname = SO_ERROR; | |
2944 | break; | |
2945 | case TARGET_SO_DONTROUTE: | |
2946 | optname = SO_DONTROUTE; | |
2947 | break; | |
2948 | case TARGET_SO_BROADCAST: | |
2949 | optname = SO_BROADCAST; | |
2950 | break; | |
2951 | case TARGET_SO_SNDBUF: | |
2952 | optname = SO_SNDBUF; | |
2953 | break; | |
d79b6cc4 PB |
2954 | case TARGET_SO_SNDBUFFORCE: |
2955 | optname = SO_SNDBUFFORCE; | |
2956 | break; | |
3532fa74 FB |
2957 | case TARGET_SO_RCVBUF: |
2958 | optname = SO_RCVBUF; | |
2959 | break; | |
d79b6cc4 PB |
2960 | case TARGET_SO_RCVBUFFORCE: |
2961 | optname = SO_RCVBUFFORCE; | |
2962 | break; | |
3532fa74 FB |
2963 | case TARGET_SO_KEEPALIVE: |
2964 | optname = SO_KEEPALIVE; | |
2965 | break; | |
2966 | case TARGET_SO_OOBINLINE: | |
2967 | optname = SO_OOBINLINE; | |
2968 | break; | |
2969 | case TARGET_SO_NO_CHECK: | |
2970 | optname = SO_NO_CHECK; | |
2971 | break; | |
2972 | case TARGET_SO_PRIORITY: | |
2973 | optname = SO_PRIORITY; | |
2974 | break; | |
5e83e8e3 | 2975 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
2976 | case TARGET_SO_BSDCOMPAT: |
2977 | optname = SO_BSDCOMPAT; | |
2978 | break; | |
5e83e8e3 | 2979 | #endif |
3532fa74 FB |
2980 | case TARGET_SO_PASSCRED: |
2981 | optname = SO_PASSCRED; | |
2982 | break; | |
82d0fe6b PB |
2983 | case TARGET_SO_PASSSEC: |
2984 | optname = SO_PASSSEC; | |
2985 | break; | |
3532fa74 FB |
2986 | case TARGET_SO_TIMESTAMP: |
2987 | optname = SO_TIMESTAMP; | |
2988 | break; | |
2989 | case TARGET_SO_RCVLOWAT: | |
2990 | optname = SO_RCVLOWAT; | |
2991 | break; | |
8853f86e FB |
2992 | break; |
2993 | default: | |
2994 | goto unimplemented; | |
2995 | } | |
3532fa74 | 2996 | if (optlen < sizeof(uint32_t)) |
2f619698 | 2997 | return -TARGET_EINVAL; |
3532fa74 | 2998 | |
2f619698 FB |
2999 | if (get_user_u32(val, optval_addr)) |
3000 | return -TARGET_EFAULT; | |
3532fa74 | 3001 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 3002 | break; |
7854b056 | 3003 | default: |
8853f86e | 3004 | unimplemented: |
b2bedb21 | 3005 | gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname); |
6fa13c17 | 3006 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 3007 | } |
8853f86e | 3008 | return ret; |
7854b056 FB |
3009 | } |
3010 | ||
0da46a6e | 3011 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 3012 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 3013 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 3014 | { |
992f48a0 | 3015 | abi_long ret; |
b55266b5 BS |
3016 | int len, val; |
3017 | socklen_t lv; | |
8853f86e FB |
3018 | |
3019 | switch(level) { | |
3532fa74 | 3020 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
3021 | level = SOL_SOCKET; |
3022 | switch (optname) { | |
3023 | /* These don't just return a single integer */ | |
3024 | case TARGET_SO_LINGER: | |
3025 | case TARGET_SO_RCVTIMEO: | |
3026 | case TARGET_SO_SNDTIMEO: | |
f3b974cd JL |
3027 | case TARGET_SO_PEERNAME: |
3028 | goto unimplemented; | |
583359a6 AP |
3029 | case TARGET_SO_PEERCRED: { |
3030 | struct ucred cr; | |
3031 | socklen_t crlen; | |
3032 | struct target_ucred *tcr; | |
3033 | ||
3034 | if (get_user_u32(len, optlen)) { | |
3035 | return -TARGET_EFAULT; | |
3036 | } | |
3037 | if (len < 0) { | |
3038 | return -TARGET_EINVAL; | |
3039 | } | |
3040 | ||
3041 | crlen = sizeof(cr); | |
3042 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
3043 | &cr, &crlen)); | |
3044 | if (ret < 0) { | |
3045 | return ret; | |
3046 | } | |
3047 | if (len > crlen) { | |
3048 | len = crlen; | |
3049 | } | |
3050 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
3051 | return -TARGET_EFAULT; | |
3052 | } | |
3053 | __put_user(cr.pid, &tcr->pid); | |
3054 | __put_user(cr.uid, &tcr->uid); | |
3055 | __put_user(cr.gid, &tcr->gid); | |
3056 | unlock_user_struct(tcr, optval_addr, 1); | |
3057 | if (put_user_u32(len, optlen)) { | |
3058 | return -TARGET_EFAULT; | |
3059 | } | |
3060 | break; | |
3061 | } | |
f3b974cd JL |
3062 | /* Options with 'int' argument. */ |
3063 | case TARGET_SO_DEBUG: | |
3064 | optname = SO_DEBUG; | |
3065 | goto int_case; | |
3066 | case TARGET_SO_REUSEADDR: | |
3067 | optname = SO_REUSEADDR; | |
3068 | goto int_case; | |
3069 | case TARGET_SO_TYPE: | |
3070 | optname = SO_TYPE; | |
3071 | goto int_case; | |
3072 | case TARGET_SO_ERROR: | |
3073 | optname = SO_ERROR; | |
3074 | goto int_case; | |
3075 | case TARGET_SO_DONTROUTE: | |
3076 | optname = SO_DONTROUTE; | |
3077 | goto int_case; | |
3078 | case TARGET_SO_BROADCAST: | |
3079 | optname = SO_BROADCAST; | |
3080 | goto int_case; | |
3081 | case TARGET_SO_SNDBUF: | |
3082 | optname = SO_SNDBUF; | |
3083 | goto int_case; | |
3084 | case TARGET_SO_RCVBUF: | |
3085 | optname = SO_RCVBUF; | |
3086 | goto int_case; | |
3087 | case TARGET_SO_KEEPALIVE: | |
3088 | optname = SO_KEEPALIVE; | |
3089 | goto int_case; | |
3090 | case TARGET_SO_OOBINLINE: | |
3091 | optname = SO_OOBINLINE; | |
3092 | goto int_case; | |
3093 | case TARGET_SO_NO_CHECK: | |
3094 | optname = SO_NO_CHECK; | |
3095 | goto int_case; | |
3096 | case TARGET_SO_PRIORITY: | |
3097 | optname = SO_PRIORITY; | |
3098 | goto int_case; | |
3099 | #ifdef SO_BSDCOMPAT | |
3100 | case TARGET_SO_BSDCOMPAT: | |
3101 | optname = SO_BSDCOMPAT; | |
3102 | goto int_case; | |
3103 | #endif | |
3104 | case TARGET_SO_PASSCRED: | |
3105 | optname = SO_PASSCRED; | |
3106 | goto int_case; | |
3107 | case TARGET_SO_TIMESTAMP: | |
3108 | optname = SO_TIMESTAMP; | |
3109 | goto int_case; | |
3110 | case TARGET_SO_RCVLOWAT: | |
3111 | optname = SO_RCVLOWAT; | |
3112 | goto int_case; | |
aec1ca41 PB |
3113 | case TARGET_SO_ACCEPTCONN: |
3114 | optname = SO_ACCEPTCONN; | |
3115 | goto int_case; | |
8853f86e | 3116 | default: |
2efbe911 FB |
3117 | goto int_case; |
3118 | } | |
3119 | break; | |
3120 | case SOL_TCP: | |
3121 | /* TCP options all take an 'int' value. */ | |
3122 | int_case: | |
2f619698 FB |
3123 | if (get_user_u32(len, optlen)) |
3124 | return -TARGET_EFAULT; | |
2efbe911 | 3125 | if (len < 0) |
0da46a6e | 3126 | return -TARGET_EINVAL; |
73160d95 | 3127 | lv = sizeof(lv); |
2efbe911 FB |
3128 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
3129 | if (ret < 0) | |
3130 | return ret; | |
8289d112 PB |
3131 | if (optname == SO_TYPE) { |
3132 | val = host_to_target_sock_type(val); | |
3133 | } | |
2efbe911 FB |
3134 | if (len > lv) |
3135 | len = lv; | |
2f619698 FB |
3136 | if (len == 4) { |
3137 | if (put_user_u32(val, optval_addr)) | |
3138 | return -TARGET_EFAULT; | |
3139 | } else { | |
3140 | if (put_user_u8(val, optval_addr)) | |
3141 | return -TARGET_EFAULT; | |
f3b974cd | 3142 | } |
2f619698 FB |
3143 | if (put_user_u32(len, optlen)) |
3144 | return -TARGET_EFAULT; | |
2efbe911 FB |
3145 | break; |
3146 | case SOL_IP: | |
3147 | switch(optname) { | |
3148 | case IP_TOS: | |
3149 | case IP_TTL: | |
3150 | case IP_HDRINCL: | |
3151 | case IP_ROUTER_ALERT: | |
3152 | case IP_RECVOPTS: | |
3153 | case IP_RETOPTS: | |
3154 | case IP_PKTINFO: | |
3155 | case IP_MTU_DISCOVER: | |
3156 | case IP_RECVERR: | |
3157 | case IP_RECVTOS: | |
3158 | #ifdef IP_FREEBIND | |
3159 | case IP_FREEBIND: | |
3160 | #endif | |
3161 | case IP_MULTICAST_TTL: | |
3162 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
3163 | if (get_user_u32(len, optlen)) |
3164 | return -TARGET_EFAULT; | |
8853f86e | 3165 | if (len < 0) |
0da46a6e | 3166 | return -TARGET_EINVAL; |
73160d95 | 3167 | lv = sizeof(lv); |
8853f86e FB |
3168 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
3169 | if (ret < 0) | |
3170 | return ret; | |
2efbe911 | 3171 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 3172 | len = 1; |
2f619698 FB |
3173 | if (put_user_u32(len, optlen) |
3174 | || put_user_u8(val, optval_addr)) | |
3175 | return -TARGET_EFAULT; | |
2efbe911 | 3176 | } else { |
2efbe911 FB |
3177 | if (len > sizeof(int)) |
3178 | len = sizeof(int); | |
2f619698 FB |
3179 | if (put_user_u32(len, optlen) |
3180 | || put_user_u32(val, optval_addr)) | |
3181 | return -TARGET_EFAULT; | |
2efbe911 | 3182 | } |
8853f86e | 3183 | break; |
2efbe911 | 3184 | default: |
c02f499e TS |
3185 | ret = -TARGET_ENOPROTOOPT; |
3186 | break; | |
8853f86e FB |
3187 | } |
3188 | break; | |
3189 | default: | |
3190 | unimplemented: | |
3191 | gemu_log("getsockopt level=%d optname=%d not yet supported\n", | |
3192 | level, optname); | |
c02f499e | 3193 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
3194 | break; |
3195 | } | |
3196 | return ret; | |
7854b056 FB |
3197 | } |
3198 | ||
f287b2c2 | 3199 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
dab32b32 | 3200 | abi_ulong count, int copy) |
53a5960a PB |
3201 | { |
3202 | struct target_iovec *target_vec; | |
f287b2c2 RH |
3203 | struct iovec *vec; |
3204 | abi_ulong total_len, max_len; | |
d732dcb4 | 3205 | int i; |
501bb4b0 | 3206 | int err = 0; |
29560a6c | 3207 | bool bad_address = false; |
53a5960a | 3208 | |
f287b2c2 RH |
3209 | if (count == 0) { |
3210 | errno = 0; | |
3211 | return NULL; | |
3212 | } | |
dab32b32 | 3213 | if (count > IOV_MAX) { |
f287b2c2 RH |
3214 | errno = EINVAL; |
3215 | return NULL; | |
3216 | } | |
3217 | ||
0e173b24 | 3218 | vec = g_try_new0(struct iovec, count); |
f287b2c2 RH |
3219 | if (vec == NULL) { |
3220 | errno = ENOMEM; | |
3221 | return NULL; | |
3222 | } | |
3223 | ||
3224 | target_vec = lock_user(VERIFY_READ, target_addr, | |
3225 | count * sizeof(struct target_iovec), 1); | |
3226 | if (target_vec == NULL) { | |
501bb4b0 | 3227 | err = EFAULT; |
f287b2c2 RH |
3228 | goto fail2; |
3229 | } | |
3230 | ||
3231 | /* ??? If host page size > target page size, this will result in a | |
3232 | value larger than what we can actually support. */ | |
3233 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
3234 | total_len = 0; | |
3235 | ||
3236 | for (i = 0; i < count; i++) { | |
3237 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
3238 | abi_long len = tswapal(target_vec[i].iov_len); | |
3239 | ||
3240 | if (len < 0) { | |
501bb4b0 | 3241 | err = EINVAL; |
f287b2c2 RH |
3242 | goto fail; |
3243 | } else if (len == 0) { | |
3244 | /* Zero length pointer is ignored. */ | |
3245 | vec[i].iov_base = 0; | |
41df8411 | 3246 | } else { |
f287b2c2 | 3247 | vec[i].iov_base = lock_user(type, base, len, copy); |
29560a6c TM |
3248 | /* If the first buffer pointer is bad, this is a fault. But |
3249 | * subsequent bad buffers will result in a partial write; this | |
3250 | * is realized by filling the vector with null pointers and | |
3251 | * zero lengths. */ | |
f287b2c2 | 3252 | if (!vec[i].iov_base) { |
29560a6c TM |
3253 | if (i == 0) { |
3254 | err = EFAULT; | |
3255 | goto fail; | |
3256 | } else { | |
3257 | bad_address = true; | |
3258 | } | |
3259 | } | |
3260 | if (bad_address) { | |
3261 | len = 0; | |
f287b2c2 RH |
3262 | } |
3263 | if (len > max_len - total_len) { | |
3264 | len = max_len - total_len; | |
3265 | } | |
41df8411 | 3266 | } |
f287b2c2 RH |
3267 | vec[i].iov_len = len; |
3268 | total_len += len; | |
579a97f7 | 3269 | } |
f287b2c2 RH |
3270 | |
3271 | unlock_user(target_vec, target_addr, 0); | |
3272 | return vec; | |
3273 | ||
3274 | fail: | |
7eff518b CG |
3275 | while (--i >= 0) { |
3276 | if (tswapal(target_vec[i].iov_len) > 0) { | |
3277 | unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0); | |
3278 | } | |
3279 | } | |
f287b2c2 | 3280 | unlock_user(target_vec, target_addr, 0); |
501bb4b0 | 3281 | fail2: |
0e173b24 | 3282 | g_free(vec); |
501bb4b0 | 3283 | errno = err; |
f287b2c2 | 3284 | return NULL; |
53a5960a PB |
3285 | } |
3286 | ||
f287b2c2 | 3287 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
dab32b32 | 3288 | abi_ulong count, int copy) |
53a5960a PB |
3289 | { |
3290 | struct target_iovec *target_vec; | |
53a5960a PB |
3291 | int i; |
3292 | ||
f287b2c2 RH |
3293 | target_vec = lock_user(VERIFY_READ, target_addr, |
3294 | count * sizeof(struct target_iovec), 1); | |
3295 | if (target_vec) { | |
3296 | for (i = 0; i < count; i++) { | |
3297 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
71ec7cef | 3298 | abi_long len = tswapal(target_vec[i].iov_len); |
f287b2c2 RH |
3299 | if (len < 0) { |
3300 | break; | |
3301 | } | |
d732dcb4 AZ |
3302 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
3303 | } | |
f287b2c2 | 3304 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 3305 | } |
579a97f7 | 3306 | |
0e173b24 | 3307 | g_free(vec); |
53a5960a PB |
3308 | } |
3309 | ||
53d09b76 | 3310 | static inline int target_to_host_sock_type(int *type) |
3532fa74 | 3311 | { |
f651e6ae PJ |
3312 | int host_type = 0; |
3313 | int target_type = *type; | |
3314 | ||
3315 | switch (target_type & TARGET_SOCK_TYPE_MASK) { | |
3532fa74 | 3316 | case TARGET_SOCK_DGRAM: |
f651e6ae | 3317 | host_type = SOCK_DGRAM; |
3532fa74 FB |
3318 | break; |
3319 | case TARGET_SOCK_STREAM: | |
f651e6ae | 3320 | host_type = SOCK_STREAM; |
3532fa74 | 3321 | break; |
f651e6ae PJ |
3322 | default: |
3323 | host_type = target_type & TARGET_SOCK_TYPE_MASK; | |
3532fa74 FB |
3324 | break; |
3325 | } | |
f651e6ae | 3326 | if (target_type & TARGET_SOCK_CLOEXEC) { |
53d09b76 | 3327 | #if defined(SOCK_CLOEXEC) |
f651e6ae | 3328 | host_type |= SOCK_CLOEXEC; |
53d09b76 EI |
3329 | #else |
3330 | return -TARGET_EINVAL; | |
3331 | #endif | |
f651e6ae PJ |
3332 | } |
3333 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
53d09b76 | 3334 | #if defined(SOCK_NONBLOCK) |
f651e6ae | 3335 | host_type |= SOCK_NONBLOCK; |
53d09b76 EI |
3336 | #elif !defined(O_NONBLOCK) |
3337 | return -TARGET_EINVAL; | |
3338 | #endif | |
f651e6ae PJ |
3339 | } |
3340 | *type = host_type; | |
53d09b76 EI |
3341 | return 0; |
3342 | } | |
3343 | ||
3344 | /* Try to emulate socket type flags after socket creation. */ | |
3345 | static int sock_flags_fixup(int fd, int target_type) | |
3346 | { | |
3347 | #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK) | |
3348 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
3349 | int flags = fcntl(fd, F_GETFL); | |
3350 | if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) { | |
3351 | close(fd); | |
3352 | return -TARGET_EINVAL; | |
3353 | } | |
3354 | } | |
3355 | #endif | |
3356 | return fd; | |
f651e6ae PJ |
3357 | } |
3358 | ||
0cf22722 LV |
3359 | static abi_long packet_target_to_host_sockaddr(void *host_addr, |
3360 | abi_ulong target_addr, | |
3361 | socklen_t len) | |
3362 | { | |
3363 | struct sockaddr *addr = host_addr; | |
3364 | struct target_sockaddr *target_saddr; | |
3365 | ||
3366 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); | |
3367 | if (!target_saddr) { | |
3368 | return -TARGET_EFAULT; | |
3369 | } | |
3370 | ||
3371 | memcpy(addr, target_saddr, len); | |
3372 | addr->sa_family = tswap16(target_saddr->sa_family); | |
3373 | /* spkt_protocol is big-endian */ | |
3374 | ||
3375 | unlock_user(target_saddr, target_addr, 0); | |
3376 | return 0; | |
3377 | } | |
3378 | ||
3379 | static TargetFdTrans target_packet_trans = { | |
3380 | .target_to_host_addr = packet_target_to_host_sockaddr, | |
3381 | }; | |
3382 | ||
575b22b1 | 3383 | #ifdef CONFIG_RTNETLINK |
6c5b5645 LV |
3384 | static abi_long netlink_route_target_to_host(void *buf, size_t len) |
3385 | { | |
ef759f6f LV |
3386 | abi_long ret; |
3387 | ||
3388 | ret = target_to_host_nlmsg_route(buf, len); | |
3389 | if (ret < 0) { | |
3390 | return ret; | |
3391 | } | |
3392 | ||
3393 | return len; | |
6c5b5645 LV |
3394 | } |
3395 | ||
3396 | static abi_long netlink_route_host_to_target(void *buf, size_t len) | |
3397 | { | |
ef759f6f LV |
3398 | abi_long ret; |
3399 | ||
3400 | ret = host_to_target_nlmsg_route(buf, len); | |
3401 | if (ret < 0) { | |
3402 | return ret; | |
3403 | } | |
3404 | ||
3405 | return len; | |
6c5b5645 LV |
3406 | } |
3407 | ||
3408 | static TargetFdTrans target_netlink_route_trans = { | |
3409 | .target_to_host_data = netlink_route_target_to_host, | |
3410 | .host_to_target_data = netlink_route_host_to_target, | |
3411 | }; | |
575b22b1 | 3412 | #endif /* CONFIG_RTNETLINK */ |
6c5b5645 | 3413 | |
5ce9bb59 LV |
3414 | static abi_long netlink_audit_target_to_host(void *buf, size_t len) |
3415 | { | |
ef759f6f LV |
3416 | abi_long ret; |
3417 | ||
3418 | ret = target_to_host_nlmsg_audit(buf, len); | |
3419 | if (ret < 0) { | |
3420 | return ret; | |
3421 | } | |
3422 | ||
3423 | return len; | |
5ce9bb59 LV |
3424 | } |
3425 | ||
3426 | static abi_long netlink_audit_host_to_target(void *buf, size_t len) | |
3427 | { | |
ef759f6f LV |
3428 | abi_long ret; |
3429 | ||
3430 | ret = host_to_target_nlmsg_audit(buf, len); | |
3431 | if (ret < 0) { | |
3432 | return ret; | |
3433 | } | |
3434 | ||
3435 | return len; | |
5ce9bb59 LV |
3436 | } |
3437 | ||
3438 | static TargetFdTrans target_netlink_audit_trans = { | |
3439 | .target_to_host_data = netlink_audit_target_to_host, | |
3440 | .host_to_target_data = netlink_audit_host_to_target, | |
3441 | }; | |
3442 | ||
f651e6ae PJ |
3443 | /* do_socket() Must return target values and target errnos. */ |
3444 | static abi_long do_socket(int domain, int type, int protocol) | |
3445 | { | |
53d09b76 EI |
3446 | int target_type = type; |
3447 | int ret; | |
3448 | ||
3449 | ret = target_to_host_sock_type(&type); | |
3450 | if (ret) { | |
3451 | return ret; | |
3452 | } | |
f651e6ae | 3453 | |
575b22b1 LV |
3454 | if (domain == PF_NETLINK && !( |
3455 | #ifdef CONFIG_RTNETLINK | |
3456 | protocol == NETLINK_ROUTE || | |
3457 | #endif | |
3458 | protocol == NETLINK_KOBJECT_UEVENT || | |
3459 | protocol == NETLINK_AUDIT)) { | |
6c5b5645 LV |
3460 | return -EPFNOSUPPORT; |
3461 | } | |
ff626f2d LV |
3462 | |
3463 | if (domain == AF_PACKET || | |
3464 | (domain == AF_INET && type == SOCK_PACKET)) { | |
3465 | protocol = tswap16(protocol); | |
3466 | } | |
3467 | ||
53d09b76 EI |
3468 | ret = get_errno(socket(domain, type, protocol)); |
3469 | if (ret >= 0) { | |
3470 | ret = sock_flags_fixup(ret, target_type); | |
0cf22722 LV |
3471 | if (type == SOCK_PACKET) { |
3472 | /* Manage an obsolete case : | |
3473 | * if socket type is SOCK_PACKET, bind by name | |
3474 | */ | |
3475 | fd_trans_register(ret, &target_packet_trans); | |
6c5b5645 LV |
3476 | } else if (domain == PF_NETLINK) { |
3477 | switch (protocol) { | |
575b22b1 | 3478 | #ifdef CONFIG_RTNETLINK |
6c5b5645 LV |
3479 | case NETLINK_ROUTE: |
3480 | fd_trans_register(ret, &target_netlink_route_trans); | |
3481 | break; | |
575b22b1 | 3482 | #endif |
b265620b LV |
3483 | case NETLINK_KOBJECT_UEVENT: |
3484 | /* nothing to do: messages are strings */ | |
3485 | break; | |
5ce9bb59 LV |
3486 | case NETLINK_AUDIT: |
3487 | fd_trans_register(ret, &target_netlink_audit_trans); | |
3488 | break; | |
6c5b5645 LV |
3489 | default: |
3490 | g_assert_not_reached(); | |
3491 | } | |
0cf22722 | 3492 | } |
53d09b76 EI |
3493 | } |
3494 | return ret; | |
3532fa74 FB |
3495 | } |
3496 | ||
0da46a6e | 3497 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
3498 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
3499 | socklen_t addrlen) | |
3532fa74 | 3500 | { |
8f7aeaf6 | 3501 | void *addr; |
917507b0 | 3502 | abi_long ret; |
8f7aeaf6 | 3503 | |
38724253 | 3504 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3505 | return -TARGET_EINVAL; |
38724253 | 3506 | } |
8f7aeaf6 | 3507 | |
607175e0 | 3508 | addr = alloca(addrlen+1); |
3b46e624 | 3509 | |
7b36f782 | 3510 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
3511 | if (ret) |
3512 | return ret; | |
3513 | ||
3532fa74 FB |
3514 | return get_errno(bind(sockfd, addr, addrlen)); |
3515 | } | |
3516 | ||
0da46a6e | 3517 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
3518 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
3519 | socklen_t addrlen) | |
3532fa74 | 3520 | { |
8f7aeaf6 | 3521 | void *addr; |
917507b0 | 3522 | abi_long ret; |
8f7aeaf6 | 3523 | |
38724253 | 3524 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3525 | return -TARGET_EINVAL; |
38724253 | 3526 | } |
8f7aeaf6 | 3527 | |
2dd08dfd | 3528 | addr = alloca(addrlen+1); |
3b46e624 | 3529 | |
7b36f782 | 3530 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
3531 | if (ret) |
3532 | return ret; | |
3533 | ||
2a3c7619 | 3534 | return get_errno(safe_connect(sockfd, addr, addrlen)); |
3532fa74 FB |
3535 | } |
3536 | ||
f19e00d7 AG |
3537 | /* do_sendrecvmsg_locked() Must return target values and target errnos. */ |
3538 | static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, | |
3539 | int flags, int send) | |
3532fa74 | 3540 | { |
6de645c7 | 3541 | abi_long ret, len; |
3532fa74 | 3542 | struct msghdr msg; |
dab32b32 | 3543 | abi_ulong count; |
3532fa74 | 3544 | struct iovec *vec; |
992f48a0 | 3545 | abi_ulong target_vec; |
3532fa74 | 3546 | |
3532fa74 FB |
3547 | if (msgp->msg_name) { |
3548 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
2dd08dfd | 3549 | msg.msg_name = alloca(msg.msg_namelen+1); |
7b36f782 LV |
3550 | ret = target_to_host_sockaddr(fd, msg.msg_name, |
3551 | tswapal(msgp->msg_name), | |
3552 | msg.msg_namelen); | |
26a6fc96 PM |
3553 | if (ret == -TARGET_EFAULT) { |
3554 | /* For connected sockets msg_name and msg_namelen must | |
3555 | * be ignored, so returning EFAULT immediately is wrong. | |
3556 | * Instead, pass a bad msg_name to the host kernel, and | |
3557 | * let it decide whether to return EFAULT or not. | |
3558 | */ | |
3559 | msg.msg_name = (void *)-1; | |
3560 | } else if (ret) { | |
f287b2c2 | 3561 | goto out2; |
917507b0 | 3562 | } |
3532fa74 FB |
3563 | } else { |
3564 | msg.msg_name = NULL; | |
3565 | msg.msg_namelen = 0; | |
3566 | } | |
cbb21eed | 3567 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 FB |
3568 | msg.msg_control = alloca(msg.msg_controllen); |
3569 | msg.msg_flags = tswap32(msgp->msg_flags); | |
3b46e624 | 3570 | |
cbb21eed | 3571 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 3572 | target_vec = tswapal(msgp->msg_iov); |
97b07970 PM |
3573 | |
3574 | if (count > IOV_MAX) { | |
3575 | /* sendrcvmsg returns a different errno for this condition than | |
3576 | * readv/writev, so we must catch it here before lock_iovec() does. | |
3577 | */ | |
3578 | ret = -TARGET_EMSGSIZE; | |
3579 | goto out2; | |
3580 | } | |
3581 | ||
f287b2c2 RH |
3582 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
3583 | target_vec, count, send); | |
3584 | if (vec == NULL) { | |
3585 | ret = -host_to_target_errno(errno); | |
3586 | goto out2; | |
3587 | } | |
3532fa74 FB |
3588 | msg.msg_iovlen = count; |
3589 | msg.msg_iov = vec; | |
3b46e624 | 3590 | |
3532fa74 | 3591 | if (send) { |
6c5b5645 | 3592 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
3593 | void *host_msg; |
3594 | ||
3595 | host_msg = g_malloc(msg.msg_iov->iov_len); | |
3596 | memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len); | |
3597 | ret = fd_trans_target_to_host_data(fd)(host_msg, | |
6c5b5645 | 3598 | msg.msg_iov->iov_len); |
7d61d892 LV |
3599 | if (ret >= 0) { |
3600 | msg.msg_iov->iov_base = host_msg; | |
3601 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
3602 | } | |
3603 | g_free(host_msg); | |
6c5b5645 LV |
3604 | } else { |
3605 | ret = target_to_host_cmsg(&msg, msgp); | |
7d61d892 LV |
3606 | if (ret == 0) { |
3607 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
3608 | } | |
6c5b5645 | 3609 | } |
3532fa74 | 3610 | } else { |
66687530 | 3611 | ret = get_errno(safe_recvmsg(fd, &msg, flags)); |
6de645c7 AZ |
3612 | if (!is_error(ret)) { |
3613 | len = ret; | |
6c5b5645 LV |
3614 | if (fd_trans_host_to_target_data(fd)) { |
3615 | ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base, | |
48dc0f2c | 3616 | len); |
6c5b5645 LV |
3617 | } else { |
3618 | ret = host_to_target_cmsg(msgp, &msg); | |
3619 | } | |
ca619067 JH |
3620 | if (!is_error(ret)) { |
3621 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
26a6fc96 | 3622 | if (msg.msg_name != NULL && msg.msg_name != (void *)-1) { |
ca619067 JH |
3623 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), |
3624 | msg.msg_name, msg.msg_namelen); | |
3625 | if (ret) { | |
3626 | goto out; | |
3627 | } | |
3628 | } | |
3629 | ||
6de645c7 | 3630 | ret = len; |
ca619067 | 3631 | } |
6de645c7 | 3632 | } |
3532fa74 | 3633 | } |
ca619067 JH |
3634 | |
3635 | out: | |
3532fa74 | 3636 | unlock_iovec(vec, target_vec, count, !send); |
f287b2c2 | 3637 | out2: |
f19e00d7 AG |
3638 | return ret; |
3639 | } | |
3640 | ||
3641 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, | |
3642 | int flags, int send) | |
3643 | { | |
3644 | abi_long ret; | |
3645 | struct target_msghdr *msgp; | |
3646 | ||
3647 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
3648 | msgp, | |
3649 | target_msg, | |
3650 | send ? 1 : 0)) { | |
3651 | return -TARGET_EFAULT; | |
3652 | } | |
3653 | ret = do_sendrecvmsg_locked(fd, msgp, flags, send); | |
579a97f7 | 3654 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
3655 | return ret; |
3656 | } | |
3657 | ||
f19e00d7 AG |
3658 | /* We don't rely on the C library to have sendmmsg/recvmmsg support, |
3659 | * so it might not have this *mmsg-specific flag either. | |
3660 | */ | |
3661 | #ifndef MSG_WAITFORONE | |
3662 | #define MSG_WAITFORONE 0x10000 | |
3663 | #endif | |
3664 | ||
3665 | static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec, | |
3666 | unsigned int vlen, unsigned int flags, | |
3667 | int send) | |
3668 | { | |
3669 | struct target_mmsghdr *mmsgp; | |
3670 | abi_long ret = 0; | |
3671 | int i; | |
3672 | ||
3673 | if (vlen > UIO_MAXIOV) { | |
3674 | vlen = UIO_MAXIOV; | |
3675 | } | |
3676 | ||
3677 | mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1); | |
3678 | if (!mmsgp) { | |
3679 | return -TARGET_EFAULT; | |
3680 | } | |
3681 | ||
3682 | for (i = 0; i < vlen; i++) { | |
3683 | ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send); | |
3684 | if (is_error(ret)) { | |
3685 | break; | |
3686 | } | |
3687 | mmsgp[i].msg_len = tswap32(ret); | |
3688 | /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */ | |
3689 | if (flags & MSG_WAITFORONE) { | |
3690 | flags |= MSG_DONTWAIT; | |
3691 | } | |
3692 | } | |
3693 | ||
3694 | unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i); | |
3695 | ||
3696 | /* Return number of datagrams sent if we sent any at all; | |
3697 | * otherwise return the error. | |
3698 | */ | |
3699 | if (i) { | |
3700 | return i; | |
3701 | } | |
3702 | return ret; | |
3703 | } | |
f19e00d7 | 3704 | |
a94b4987 PM |
3705 | /* do_accept4() Must return target values and target errnos. */ |
3706 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
3707 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 3708 | { |
2f619698 FB |
3709 | socklen_t addrlen; |
3710 | void *addr; | |
992f48a0 | 3711 | abi_long ret; |
d25295d4 PJ |
3712 | int host_flags; |
3713 | ||
3714 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
1be9e1dc | 3715 | |
a94b4987 | 3716 | if (target_addr == 0) { |
ff6dc130 | 3717 | return get_errno(safe_accept4(fd, NULL, NULL, host_flags)); |
a94b4987 | 3718 | } |
917507b0 AP |
3719 | |
3720 | /* linux returns EINVAL if addrlen pointer is invalid */ | |
2f619698 | 3721 | if (get_user_u32(addrlen, target_addrlen_addr)) |
917507b0 | 3722 | return -TARGET_EINVAL; |
2f619698 | 3723 | |
38724253 | 3724 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3725 | return -TARGET_EINVAL; |
38724253 | 3726 | } |
8f7aeaf6 | 3727 | |
917507b0 AP |
3728 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
3729 | return -TARGET_EINVAL; | |
3730 | ||
2f619698 FB |
3731 | addr = alloca(addrlen); |
3732 | ||
ff6dc130 | 3733 | ret = get_errno(safe_accept4(fd, addr, &addrlen, host_flags)); |
1be9e1dc PB |
3734 | if (!is_error(ret)) { |
3735 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
3736 | if (put_user_u32(addrlen, target_addrlen_addr)) |
3737 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
3738 | } |
3739 | return ret; | |
3740 | } | |
3741 | ||
0da46a6e | 3742 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 3743 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 3744 | abi_ulong target_addrlen_addr) |
1be9e1dc | 3745 | { |
2f619698 FB |
3746 | socklen_t addrlen; |
3747 | void *addr; | |
992f48a0 | 3748 | abi_long ret; |
1be9e1dc | 3749 | |
2f619698 FB |
3750 | if (get_user_u32(addrlen, target_addrlen_addr)) |
3751 | return -TARGET_EFAULT; | |
3752 | ||
38724253 | 3753 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3754 | return -TARGET_EINVAL; |
38724253 | 3755 | } |
8f7aeaf6 | 3756 | |
917507b0 AP |
3757 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
3758 | return -TARGET_EFAULT; | |
3759 | ||
2f619698 FB |
3760 | addr = alloca(addrlen); |
3761 | ||
1be9e1dc PB |
3762 | ret = get_errno(getpeername(fd, addr, &addrlen)); |
3763 | if (!is_error(ret)) { | |
3764 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
3765 | if (put_user_u32(addrlen, target_addrlen_addr)) |
3766 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
3767 | } |
3768 | return ret; | |
3769 | } | |
3770 | ||
0da46a6e | 3771 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 3772 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 3773 | abi_ulong target_addrlen_addr) |
1be9e1dc | 3774 | { |
2f619698 FB |
3775 | socklen_t addrlen; |
3776 | void *addr; | |
992f48a0 | 3777 | abi_long ret; |
1be9e1dc | 3778 | |
2f619698 FB |
3779 | if (get_user_u32(addrlen, target_addrlen_addr)) |
3780 | return -TARGET_EFAULT; | |
3781 | ||
38724253 | 3782 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3783 | return -TARGET_EINVAL; |
38724253 | 3784 | } |
8f7aeaf6 | 3785 | |
917507b0 AP |
3786 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
3787 | return -TARGET_EFAULT; | |
3788 | ||
2f619698 FB |
3789 | addr = alloca(addrlen); |
3790 | ||
1be9e1dc PB |
3791 | ret = get_errno(getsockname(fd, addr, &addrlen)); |
3792 | if (!is_error(ret)) { | |
3793 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
3794 | if (put_user_u32(addrlen, target_addrlen_addr)) |
3795 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
3796 | } |
3797 | return ret; | |
3798 | } | |
3799 | ||
0da46a6e | 3800 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 3801 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 3802 | abi_ulong target_tab_addr) |
1be9e1dc PB |
3803 | { |
3804 | int tab[2]; | |
992f48a0 | 3805 | abi_long ret; |
1be9e1dc | 3806 | |
f651e6ae PJ |
3807 | target_to_host_sock_type(&type); |
3808 | ||
1be9e1dc PB |
3809 | ret = get_errno(socketpair(domain, type, protocol, tab)); |
3810 | if (!is_error(ret)) { | |
2f619698 FB |
3811 | if (put_user_s32(tab[0], target_tab_addr) |
3812 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
3813 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
3814 | } |
3815 | return ret; | |
3816 | } | |
3817 | ||
0da46a6e | 3818 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
3819 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
3820 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
3821 | { |
3822 | void *addr; | |
3823 | void *host_msg; | |
7d61d892 | 3824 | void *copy_msg = NULL; |
992f48a0 | 3825 | abi_long ret; |
1be9e1dc | 3826 | |
38724253 | 3827 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3828 | return -TARGET_EINVAL; |
38724253 | 3829 | } |
8f7aeaf6 | 3830 | |
579a97f7 FB |
3831 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
3832 | if (!host_msg) | |
3833 | return -TARGET_EFAULT; | |
6c5b5645 | 3834 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
3835 | copy_msg = host_msg; |
3836 | host_msg = g_malloc(len); | |
3837 | memcpy(host_msg, copy_msg, len); | |
6c5b5645 LV |
3838 | ret = fd_trans_target_to_host_data(fd)(host_msg, len); |
3839 | if (ret < 0) { | |
7d61d892 | 3840 | goto fail; |
6c5b5645 LV |
3841 | } |
3842 | } | |
1be9e1dc | 3843 | if (target_addr) { |
2dd08dfd | 3844 | addr = alloca(addrlen+1); |
7b36f782 | 3845 | ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen); |
917507b0 | 3846 | if (ret) { |
7d61d892 | 3847 | goto fail; |
917507b0 | 3848 | } |
66687530 | 3849 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen)); |
1be9e1dc | 3850 | } else { |
66687530 | 3851 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc | 3852 | } |
7d61d892 LV |
3853 | fail: |
3854 | if (copy_msg) { | |
3855 | g_free(host_msg); | |
3856 | host_msg = copy_msg; | |
3857 | } | |
1be9e1dc PB |
3858 | unlock_user(host_msg, msg, 0); |
3859 | return ret; | |
3860 | } | |
3861 | ||
0da46a6e | 3862 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
3863 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
3864 | abi_ulong target_addr, | |
3865 | abi_ulong target_addrlen) | |
1be9e1dc PB |
3866 | { |
3867 | socklen_t addrlen; | |
3868 | void *addr; | |
3869 | void *host_msg; | |
992f48a0 | 3870 | abi_long ret; |
1be9e1dc | 3871 | |
579a97f7 FB |
3872 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); |
3873 | if (!host_msg) | |
3874 | return -TARGET_EFAULT; | |
1be9e1dc | 3875 | if (target_addr) { |
2f619698 FB |
3876 | if (get_user_u32(addrlen, target_addrlen)) { |
3877 | ret = -TARGET_EFAULT; | |
3878 | goto fail; | |
3879 | } | |
38724253 | 3880 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
3881 | ret = -TARGET_EINVAL; |
3882 | goto fail; | |
3883 | } | |
1be9e1dc | 3884 | addr = alloca(addrlen); |
66687530 PM |
3885 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, |
3886 | addr, &addrlen)); | |
1be9e1dc PB |
3887 | } else { |
3888 | addr = NULL; /* To keep compiler quiet. */ | |
66687530 | 3889 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc PB |
3890 | } |
3891 | if (!is_error(ret)) { | |
c35e1f9c LV |
3892 | if (fd_trans_host_to_target_data(fd)) { |
3893 | ret = fd_trans_host_to_target_data(fd)(host_msg, ret); | |
3894 | } | |
1be9e1dc PB |
3895 | if (target_addr) { |
3896 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
3897 | if (put_user_u32(addrlen, target_addrlen)) { |
3898 | ret = -TARGET_EFAULT; | |
3899 | goto fail; | |
3900 | } | |
1be9e1dc PB |
3901 | } |
3902 | unlock_user(host_msg, msg, len); | |
3903 | } else { | |
2f619698 | 3904 | fail: |
1be9e1dc PB |
3905 | unlock_user(host_msg, msg, 0); |
3906 | } | |
3907 | return ret; | |
3908 | } | |
3909 | ||
32407103 | 3910 | #ifdef TARGET_NR_socketcall |
ff71a454 | 3911 | /* do_socketcall() must return target values and target errnos. */ |
992f48a0 | 3912 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 3913 | { |
ff71a454 AM |
3914 | static const unsigned nargs[] = { /* number of arguments per operation */ |
3915 | [TARGET_SYS_SOCKET] = 3, /* domain, type, protocol */ | |
3916 | [TARGET_SYS_BIND] = 3, /* fd, addr, addrlen */ | |
3917 | [TARGET_SYS_CONNECT] = 3, /* fd, addr, addrlen */ | |
3918 | [TARGET_SYS_LISTEN] = 2, /* fd, backlog */ | |
3919 | [TARGET_SYS_ACCEPT] = 3, /* fd, addr, addrlen */ | |
3920 | [TARGET_SYS_GETSOCKNAME] = 3, /* fd, addr, addrlen */ | |
3921 | [TARGET_SYS_GETPEERNAME] = 3, /* fd, addr, addrlen */ | |
3922 | [TARGET_SYS_SOCKETPAIR] = 4, /* domain, type, protocol, tab */ | |
3923 | [TARGET_SYS_SEND] = 4, /* fd, msg, len, flags */ | |
3924 | [TARGET_SYS_RECV] = 4, /* fd, msg, len, flags */ | |
3925 | [TARGET_SYS_SENDTO] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3926 | [TARGET_SYS_RECVFROM] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3927 | [TARGET_SYS_SHUTDOWN] = 2, /* fd, how */ | |
3928 | [TARGET_SYS_SETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3929 | [TARGET_SYS_GETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3930 | [TARGET_SYS_SENDMSG] = 3, /* fd, msg, flags */ | |
3931 | [TARGET_SYS_RECVMSG] = 3, /* fd, msg, flags */ | |
3932 | [TARGET_SYS_ACCEPT4] = 4, /* fd, addr, addrlen, flags */ | |
3933 | [TARGET_SYS_RECVMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
3934 | [TARGET_SYS_SENDMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
62dc90c6 MT |
3935 | }; |
3936 | abi_long a[6]; /* max 6 args */ | |
ff71a454 | 3937 | unsigned i; |
62dc90c6 | 3938 | |
ff71a454 AM |
3939 | /* check the range of the first argument num */ |
3940 | /* (TARGET_SYS_SENDMMSG is the highest among TARGET_SYS_xxx) */ | |
3941 | if (num < 1 || num > TARGET_SYS_SENDMMSG) { | |
3942 | return -TARGET_EINVAL; | |
3943 | } | |
3944 | /* ensure we have space for args */ | |
3945 | if (nargs[num] > ARRAY_SIZE(a)) { | |
3946 | return -TARGET_EINVAL; | |
3947 | } | |
3948 | /* collect the arguments in a[] according to nargs[] */ | |
3949 | for (i = 0; i < nargs[num]; ++i) { | |
3950 | if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) { | |
3951 | return -TARGET_EFAULT; | |
31e31b8a | 3952 | } |
62dc90c6 | 3953 | } |
ff71a454 | 3954 | /* now when we have the args, invoke the appropriate underlying function */ |
62dc90c6 | 3955 | switch (num) { |
ff71a454 | 3956 | case TARGET_SYS_SOCKET: /* domain, type, protocol */ |
62dc90c6 | 3957 | return do_socket(a[0], a[1], a[2]); |
ff71a454 | 3958 | case TARGET_SYS_BIND: /* sockfd, addr, addrlen */ |
62dc90c6 | 3959 | return do_bind(a[0], a[1], a[2]); |
ff71a454 | 3960 | case TARGET_SYS_CONNECT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3961 | return do_connect(a[0], a[1], a[2]); |
ff71a454 | 3962 | case TARGET_SYS_LISTEN: /* sockfd, backlog */ |
62dc90c6 | 3963 | return get_errno(listen(a[0], a[1])); |
ff71a454 | 3964 | case TARGET_SYS_ACCEPT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3965 | return do_accept4(a[0], a[1], a[2], 0); |
ff71a454 | 3966 | case TARGET_SYS_GETSOCKNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3967 | return do_getsockname(a[0], a[1], a[2]); |
ff71a454 | 3968 | case TARGET_SYS_GETPEERNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3969 | return do_getpeername(a[0], a[1], a[2]); |
ff71a454 | 3970 | case TARGET_SYS_SOCKETPAIR: /* domain, type, protocol, tab */ |
62dc90c6 | 3971 | return do_socketpair(a[0], a[1], a[2], a[3]); |
ff71a454 | 3972 | case TARGET_SYS_SEND: /* sockfd, msg, len, flags */ |
62dc90c6 | 3973 | return do_sendto(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3974 | case TARGET_SYS_RECV: /* sockfd, msg, len, flags */ |
62dc90c6 | 3975 | return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3976 | case TARGET_SYS_SENDTO: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3977 | return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3978 | case TARGET_SYS_RECVFROM: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3979 | return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3980 | case TARGET_SYS_SHUTDOWN: /* sockfd, how */ |
62dc90c6 | 3981 | return get_errno(shutdown(a[0], a[1])); |
ff71a454 AM |
3982 | case TARGET_SYS_SETSOCKOPT: /* sockfd, level, optname, optval, optlen */ |
3983 | return do_setsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3984 | case TARGET_SYS_GETSOCKOPT: /* sockfd, level, optname, optval, optlen */ | |
3985 | return do_getsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3986 | case TARGET_SYS_SENDMSG: /* sockfd, msg, flags */ | |
62dc90c6 | 3987 | return do_sendrecvmsg(a[0], a[1], a[2], 1); |
ff71a454 | 3988 | case TARGET_SYS_RECVMSG: /* sockfd, msg, flags */ |
62dc90c6 | 3989 | return do_sendrecvmsg(a[0], a[1], a[2], 0); |
ff71a454 AM |
3990 | case TARGET_SYS_ACCEPT4: /* sockfd, addr, addrlen, flags */ |
3991 | return do_accept4(a[0], a[1], a[2], a[3]); | |
3992 | case TARGET_SYS_RECVMMSG: /* sockfd, msgvec, vlen, flags */ | |
5a53dc50 | 3993 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0); |
ff71a454 AM |
3994 | case TARGET_SYS_SENDMMSG: /* sockfd, msgvec, vlen, flags */ |
3995 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1); | |
31e31b8a FB |
3996 | default: |
3997 | gemu_log("Unsupported socketcall: %d\n", num); | |
ff71a454 | 3998 | return -TARGET_EINVAL; |
31e31b8a | 3999 | } |
31e31b8a | 4000 | } |
32407103 | 4001 | #endif |
31e31b8a | 4002 | |
8853f86e FB |
4003 | #define N_SHM_REGIONS 32 |
4004 | ||
4005 | static struct shm_region { | |
b6e17875 PM |
4006 | abi_ulong start; |
4007 | abi_ulong size; | |
4008 | bool in_use; | |
8853f86e FB |
4009 | } shm_regions[N_SHM_REGIONS]; |
4010 | ||
005eb2ae PM |
4011 | #ifndef TARGET_SEMID64_DS |
4012 | /* asm-generic version of this struct */ | |
4013 | struct target_semid64_ds | |
3eb6b044 TS |
4014 | { |
4015 | struct target_ipc_perm sem_perm; | |
992f48a0 | 4016 | abi_ulong sem_otime; |
005eb2ae | 4017 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 4018 | abi_ulong __unused1; |
03527344 | 4019 | #endif |
992f48a0 | 4020 | abi_ulong sem_ctime; |
005eb2ae | 4021 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 4022 | abi_ulong __unused2; |
03527344 | 4023 | #endif |
992f48a0 BS |
4024 | abi_ulong sem_nsems; |
4025 | abi_ulong __unused3; | |
4026 | abi_ulong __unused4; | |
3eb6b044 | 4027 | }; |
005eb2ae | 4028 | #endif |
3eb6b044 | 4029 | |
579a97f7 FB |
4030 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
4031 | abi_ulong target_addr) | |
3eb6b044 TS |
4032 | { |
4033 | struct target_ipc_perm *target_ip; | |
005eb2ae | 4034 | struct target_semid64_ds *target_sd; |
3eb6b044 | 4035 | |
579a97f7 FB |
4036 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
4037 | return -TARGET_EFAULT; | |
e8bbe36c | 4038 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
4039 | host_ip->__key = tswap32(target_ip->__key); |
4040 | host_ip->uid = tswap32(target_ip->uid); | |
4041 | host_ip->gid = tswap32(target_ip->gid); | |
4042 | host_ip->cuid = tswap32(target_ip->cuid); | |
4043 | host_ip->cgid = tswap32(target_ip->cgid); | |
4044 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
4045 | host_ip->mode = tswap32(target_ip->mode); | |
4046 | #else | |
cbb21eed | 4047 | host_ip->mode = tswap16(target_ip->mode); |
55a2b163 PJ |
4048 | #endif |
4049 | #if defined(TARGET_PPC) | |
4050 | host_ip->__seq = tswap32(target_ip->__seq); | |
4051 | #else | |
4052 | host_ip->__seq = tswap16(target_ip->__seq); | |
4053 | #endif | |
3eb6b044 | 4054 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 4055 | return 0; |
3eb6b044 TS |
4056 | } |
4057 | ||
579a97f7 FB |
4058 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
4059 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
4060 | { |
4061 | struct target_ipc_perm *target_ip; | |
005eb2ae | 4062 | struct target_semid64_ds *target_sd; |
3eb6b044 | 4063 | |
579a97f7 FB |
4064 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
4065 | return -TARGET_EFAULT; | |
3eb6b044 | 4066 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
4067 | target_ip->__key = tswap32(host_ip->__key); |
4068 | target_ip->uid = tswap32(host_ip->uid); | |
4069 | target_ip->gid = tswap32(host_ip->gid); | |
4070 | target_ip->cuid = tswap32(host_ip->cuid); | |
4071 | target_ip->cgid = tswap32(host_ip->cgid); | |
4072 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
4073 | target_ip->mode = tswap32(host_ip->mode); | |
4074 | #else | |
cbb21eed | 4075 | target_ip->mode = tswap16(host_ip->mode); |
55a2b163 PJ |
4076 | #endif |
4077 | #if defined(TARGET_PPC) | |
4078 | target_ip->__seq = tswap32(host_ip->__seq); | |
4079 | #else | |
4080 | target_ip->__seq = tswap16(host_ip->__seq); | |
4081 | #endif | |
3eb6b044 | 4082 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 4083 | return 0; |
3eb6b044 TS |
4084 | } |
4085 | ||
579a97f7 FB |
4086 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
4087 | abi_ulong target_addr) | |
3eb6b044 | 4088 | { |
005eb2ae | 4089 | struct target_semid64_ds *target_sd; |
3eb6b044 | 4090 | |
579a97f7 FB |
4091 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
4092 | return -TARGET_EFAULT; | |
e5289087 AJ |
4093 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
4094 | return -TARGET_EFAULT; | |
cbb21eed MB |
4095 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
4096 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
4097 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 4098 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 4099 | return 0; |
3eb6b044 TS |
4100 | } |
4101 | ||
579a97f7 FB |
4102 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
4103 | struct semid_ds *host_sd) | |
3eb6b044 | 4104 | { |
005eb2ae | 4105 | struct target_semid64_ds *target_sd; |
3eb6b044 | 4106 | |
579a97f7 FB |
4107 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
4108 | return -TARGET_EFAULT; | |
e5289087 | 4109 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 4110 | return -TARGET_EFAULT; |
cbb21eed MB |
4111 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
4112 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
4113 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 4114 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 4115 | return 0; |
3eb6b044 TS |
4116 | } |
4117 | ||
e5289087 AJ |
4118 | struct target_seminfo { |
4119 | int semmap; | |
4120 | int semmni; | |
4121 | int semmns; | |
4122 | int semmnu; | |
4123 | int semmsl; | |
4124 | int semopm; | |
4125 | int semume; | |
4126 | int semusz; | |
4127 | int semvmx; | |
4128 | int semaem; | |
4129 | }; | |
4130 | ||
4131 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
4132 | struct seminfo *host_seminfo) | |
4133 | { | |
4134 | struct target_seminfo *target_seminfo; | |
4135 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
4136 | return -TARGET_EFAULT; | |
4137 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
4138 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
4139 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
4140 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
4141 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
4142 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
4143 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
4144 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
4145 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
4146 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
4147 | unlock_user_struct(target_seminfo, target_addr, 1); | |
4148 | return 0; | |
4149 | } | |
4150 | ||
fa294816 TS |
4151 | union semun { |
4152 | int val; | |
3eb6b044 | 4153 | struct semid_ds *buf; |
fa294816 | 4154 | unsigned short *array; |
e5289087 | 4155 | struct seminfo *__buf; |
fa294816 TS |
4156 | }; |
4157 | ||
3eb6b044 TS |
4158 | union target_semun { |
4159 | int val; | |
e5289087 AJ |
4160 | abi_ulong buf; |
4161 | abi_ulong array; | |
4162 | abi_ulong __buf; | |
3eb6b044 TS |
4163 | }; |
4164 | ||
e5289087 AJ |
4165 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
4166 | abi_ulong target_addr) | |
3eb6b044 | 4167 | { |
e5289087 AJ |
4168 | int nsems; |
4169 | unsigned short *array; | |
4170 | union semun semun; | |
4171 | struct semid_ds semid_ds; | |
4172 | int i, ret; | |
3eb6b044 | 4173 | |
e5289087 AJ |
4174 | semun.buf = &semid_ds; |
4175 | ||
4176 | ret = semctl(semid, 0, IPC_STAT, semun); | |
4177 | if (ret == -1) | |
4178 | return get_errno(ret); | |
4179 | ||
4180 | nsems = semid_ds.sem_nsems; | |
4181 | ||
0e173b24 | 4182 | *host_array = g_try_new(unsigned short, nsems); |
69d4c703 PM |
4183 | if (!*host_array) { |
4184 | return -TARGET_ENOMEM; | |
4185 | } | |
e5289087 AJ |
4186 | array = lock_user(VERIFY_READ, target_addr, |
4187 | nsems*sizeof(unsigned short), 1); | |
69d4c703 | 4188 | if (!array) { |
0e173b24 | 4189 | g_free(*host_array); |
e5289087 | 4190 | return -TARGET_EFAULT; |
69d4c703 | 4191 | } |
e5289087 AJ |
4192 | |
4193 | for(i=0; i<nsems; i++) { | |
4194 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 4195 | } |
e5289087 AJ |
4196 | unlock_user(array, target_addr, 0); |
4197 | ||
579a97f7 | 4198 | return 0; |
3eb6b044 TS |
4199 | } |
4200 | ||
e5289087 AJ |
4201 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
4202 | unsigned short **host_array) | |
3eb6b044 | 4203 | { |
e5289087 AJ |
4204 | int nsems; |
4205 | unsigned short *array; | |
4206 | union semun semun; | |
4207 | struct semid_ds semid_ds; | |
4208 | int i, ret; | |
3eb6b044 | 4209 | |
e5289087 AJ |
4210 | semun.buf = &semid_ds; |
4211 | ||
4212 | ret = semctl(semid, 0, IPC_STAT, semun); | |
4213 | if (ret == -1) | |
4214 | return get_errno(ret); | |
4215 | ||
4216 | nsems = semid_ds.sem_nsems; | |
4217 | ||
4218 | array = lock_user(VERIFY_WRITE, target_addr, | |
4219 | nsems*sizeof(unsigned short), 0); | |
4220 | if (!array) | |
4221 | return -TARGET_EFAULT; | |
4222 | ||
4223 | for(i=0; i<nsems; i++) { | |
4224 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 4225 | } |
0e173b24 | 4226 | g_free(*host_array); |
e5289087 AJ |
4227 | unlock_user(array, target_addr, 1); |
4228 | ||
579a97f7 | 4229 | return 0; |
3eb6b044 TS |
4230 | } |
4231 | ||
e5289087 | 4232 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
d1c002b6 | 4233 | abi_ulong target_arg) |
3eb6b044 | 4234 | { |
d1c002b6 | 4235 | union target_semun target_su = { .buf = target_arg }; |
3eb6b044 TS |
4236 | union semun arg; |
4237 | struct semid_ds dsarg; | |
7b8118e8 | 4238 | unsigned short *array = NULL; |
e5289087 AJ |
4239 | struct seminfo seminfo; |
4240 | abi_long ret = -TARGET_EINVAL; | |
4241 | abi_long err; | |
4242 | cmd &= 0xff; | |
3eb6b044 TS |
4243 | |
4244 | switch( cmd ) { | |
4245 | case GETVAL: | |
3eb6b044 | 4246 | case SETVAL: |
5464baec TM |
4247 | /* In 64 bit cross-endian situations, we will erroneously pick up |
4248 | * the wrong half of the union for the "val" element. To rectify | |
4249 | * this, the entire 8-byte structure is byteswapped, followed by | |
4250 | * a swap of the 4 byte val field. In other cases, the data is | |
4251 | * already in proper host byte order. */ | |
4252 | if (sizeof(target_su.val) != (sizeof(target_su.buf))) { | |
4253 | target_su.buf = tswapal(target_su.buf); | |
4254 | arg.val = tswap32(target_su.val); | |
4255 | } else { | |
4256 | arg.val = target_su.val; | |
4257 | } | |
e5289087 | 4258 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
3eb6b044 TS |
4259 | break; |
4260 | case GETALL: | |
3eb6b044 | 4261 | case SETALL: |
e5289087 AJ |
4262 | err = target_to_host_semarray(semid, &array, target_su.array); |
4263 | if (err) | |
4264 | return err; | |
4265 | arg.array = array; | |
4266 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
4267 | err = host_to_target_semarray(semid, target_su.array, &array); | |
4268 | if (err) | |
4269 | return err; | |
3eb6b044 TS |
4270 | break; |
4271 | case IPC_STAT: | |
3eb6b044 | 4272 | case IPC_SET: |
e5289087 AJ |
4273 | case SEM_STAT: |
4274 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
4275 | if (err) | |
4276 | return err; | |
4277 | arg.buf = &dsarg; | |
4278 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
4279 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
4280 | if (err) | |
4281 | return err; | |
4282 | break; | |
4283 | case IPC_INFO: | |
4284 | case SEM_INFO: | |
4285 | arg.__buf = &seminfo; | |
4286 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
4287 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
4288 | if (err) | |
4289 | return err; | |
4290 | break; | |
4291 | case IPC_RMID: | |
4292 | case GETPID: | |
4293 | case GETNCNT: | |
4294 | case GETZCNT: | |
4295 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 4296 | break; |
3eb6b044 TS |
4297 | } |
4298 | ||
4299 | return ret; | |
4300 | } | |
4301 | ||
e5289087 AJ |
4302 | struct target_sembuf { |
4303 | unsigned short sem_num; | |
4304 | short sem_op; | |
4305 | short sem_flg; | |
4306 | }; | |
4307 | ||
4308 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
4309 | abi_ulong target_addr, | |
4310 | unsigned nsops) | |
4311 | { | |
4312 | struct target_sembuf *target_sembuf; | |
4313 | int i; | |
4314 | ||
4315 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
4316 | nsops*sizeof(struct target_sembuf), 1); | |
4317 | if (!target_sembuf) | |
4318 | return -TARGET_EFAULT; | |
4319 | ||
4320 | for(i=0; i<nsops; i++) { | |
4321 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
4322 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
4323 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
4324 | } | |
4325 | ||
4326 | unlock_user(target_sembuf, target_addr, 0); | |
4327 | ||
4328 | return 0; | |
4329 | } | |
4330 | ||
4331 | static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) | |
4332 | { | |
4333 | struct sembuf sops[nsops]; | |
4334 | ||
4335 | if (target_to_host_sembuf(sops, ptr, nsops)) | |
4336 | return -TARGET_EFAULT; | |
4337 | ||
ffb7ee79 | 4338 | return get_errno(safe_semtimedop(semid, sops, nsops, NULL)); |
e5289087 AJ |
4339 | } |
4340 | ||
1bc012f6 TS |
4341 | struct target_msqid_ds |
4342 | { | |
1c54ff97 AJ |
4343 | struct target_ipc_perm msg_perm; |
4344 | abi_ulong msg_stime; | |
4345 | #if TARGET_ABI_BITS == 32 | |
4346 | abi_ulong __unused1; | |
4347 | #endif | |
4348 | abi_ulong msg_rtime; | |
4349 | #if TARGET_ABI_BITS == 32 | |
4350 | abi_ulong __unused2; | |
4351 | #endif | |
4352 | abi_ulong msg_ctime; | |
4353 | #if TARGET_ABI_BITS == 32 | |
4354 | abi_ulong __unused3; | |
4355 | #endif | |
4356 | abi_ulong __msg_cbytes; | |
4357 | abi_ulong msg_qnum; | |
4358 | abi_ulong msg_qbytes; | |
4359 | abi_ulong msg_lspid; | |
4360 | abi_ulong msg_lrpid; | |
4361 | abi_ulong __unused4; | |
4362 | abi_ulong __unused5; | |
1bc012f6 TS |
4363 | }; |
4364 | ||
579a97f7 FB |
4365 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
4366 | abi_ulong target_addr) | |
1bc012f6 TS |
4367 | { |
4368 | struct target_msqid_ds *target_md; | |
4369 | ||
579a97f7 FB |
4370 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
4371 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
4372 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
4373 | return -TARGET_EFAULT; | |
cbb21eed MB |
4374 | host_md->msg_stime = tswapal(target_md->msg_stime); |
4375 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
4376 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
4377 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
4378 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
4379 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
4380 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
4381 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 4382 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 4383 | return 0; |
1bc012f6 TS |
4384 | } |
4385 | ||
579a97f7 FB |
4386 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
4387 | struct msqid_ds *host_md) | |
1bc012f6 TS |
4388 | { |
4389 | struct target_msqid_ds *target_md; | |
4390 | ||
579a97f7 FB |
4391 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
4392 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
4393 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
4394 | return -TARGET_EFAULT; | |
cbb21eed MB |
4395 | target_md->msg_stime = tswapal(host_md->msg_stime); |
4396 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
4397 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
4398 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
4399 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
4400 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
4401 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
4402 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 4403 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 4404 | return 0; |
1bc012f6 TS |
4405 | } |
4406 | ||
1c54ff97 AJ |
4407 | struct target_msginfo { |
4408 | int msgpool; | |
4409 | int msgmap; | |
4410 | int msgmax; | |
4411 | int msgmnb; | |
4412 | int msgmni; | |
4413 | int msgssz; | |
4414 | int msgtql; | |
4415 | unsigned short int msgseg; | |
4416 | }; | |
4417 | ||
4418 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
4419 | struct msginfo *host_msginfo) | |
4420 | { | |
4421 | struct target_msginfo *target_msginfo; | |
4422 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
4423 | return -TARGET_EFAULT; | |
4424 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
4425 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
4426 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
4427 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
4428 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
4429 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
4430 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
4431 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
4432 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 4433 | return 0; |
1c54ff97 AJ |
4434 | } |
4435 | ||
4436 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
4437 | { |
4438 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
4439 | struct msginfo msginfo; |
4440 | abi_long ret = -TARGET_EINVAL; | |
4441 | ||
4442 | cmd &= 0xff; | |
4443 | ||
4444 | switch (cmd) { | |
1bc012f6 TS |
4445 | case IPC_STAT: |
4446 | case IPC_SET: | |
1c54ff97 AJ |
4447 | case MSG_STAT: |
4448 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
4449 | return -TARGET_EFAULT; | |
4450 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
4451 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
4452 | return -TARGET_EFAULT; | |
4453 | break; | |
4454 | case IPC_RMID: | |
4455 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
4456 | break; | |
4457 | case IPC_INFO: | |
4458 | case MSG_INFO: | |
4459 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
4460 | if (host_to_target_msginfo(ptr, &msginfo)) | |
4461 | return -TARGET_EFAULT; | |
4462 | break; | |
1bc012f6 | 4463 | } |
1c54ff97 | 4464 | |
1bc012f6 TS |
4465 | return ret; |
4466 | } | |
4467 | ||
4468 | struct target_msgbuf { | |
1c54ff97 AJ |
4469 | abi_long mtype; |
4470 | char mtext[1]; | |
1bc012f6 TS |
4471 | }; |
4472 | ||
992f48a0 | 4473 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
edcc5f9d | 4474 | ssize_t msgsz, int msgflg) |
1bc012f6 TS |
4475 | { |
4476 | struct target_msgbuf *target_mb; | |
4477 | struct msgbuf *host_mb; | |
992f48a0 | 4478 | abi_long ret = 0; |
1bc012f6 | 4479 | |
edcc5f9d TM |
4480 | if (msgsz < 0) { |
4481 | return -TARGET_EINVAL; | |
4482 | } | |
4483 | ||
579a97f7 FB |
4484 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
4485 | return -TARGET_EFAULT; | |
0e173b24 | 4486 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
29e03fcb HZ |
4487 | if (!host_mb) { |
4488 | unlock_user_struct(target_mb, msgp, 0); | |
4489 | return -TARGET_ENOMEM; | |
4490 | } | |
cbb21eed | 4491 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 4492 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
89f9fe44 | 4493 | ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg)); |
0e173b24 | 4494 | g_free(host_mb); |
1bc012f6 TS |
4495 | unlock_user_struct(target_mb, msgp, 0); |
4496 | ||
4497 | return ret; | |
4498 | } | |
4499 | ||
992f48a0 | 4500 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
99874f65 | 4501 | ssize_t msgsz, abi_long msgtyp, |
992f48a0 | 4502 | int msgflg) |
1bc012f6 TS |
4503 | { |
4504 | struct target_msgbuf *target_mb; | |
579a97f7 | 4505 | char *target_mtext; |
1bc012f6 | 4506 | struct msgbuf *host_mb; |
992f48a0 | 4507 | abi_long ret = 0; |
1bc012f6 | 4508 | |
99874f65 PM |
4509 | if (msgsz < 0) { |
4510 | return -TARGET_EINVAL; | |
4511 | } | |
4512 | ||
579a97f7 FB |
4513 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
4514 | return -TARGET_EFAULT; | |
1c54ff97 | 4515 | |
415d8471 PM |
4516 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
4517 | if (!host_mb) { | |
4518 | ret = -TARGET_ENOMEM; | |
4519 | goto end; | |
4520 | } | |
89f9fe44 | 4521 | ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
1c54ff97 | 4522 | |
579a97f7 FB |
4523 | if (ret > 0) { |
4524 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
4525 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
4526 | if (!target_mtext) { | |
4527 | ret = -TARGET_EFAULT; | |
4528 | goto end; | |
4529 | } | |
1c54ff97 | 4530 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
4531 | unlock_user(target_mtext, target_mtext_addr, ret); |
4532 | } | |
1c54ff97 | 4533 | |
cbb21eed | 4534 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 4535 | |
579a97f7 FB |
4536 | end: |
4537 | if (target_mb) | |
4538 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 4539 | g_free(host_mb); |
1bc012f6 TS |
4540 | return ret; |
4541 | } | |
4542 | ||
88a8c984 RV |
4543 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
4544 | abi_ulong target_addr) | |
4545 | { | |
4546 | struct target_shmid_ds *target_sd; | |
4547 | ||
4548 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
4549 | return -TARGET_EFAULT; | |
4550 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
4551 | return -TARGET_EFAULT; | |
4552 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
4553 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
4554 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
4555 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
4556 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
4557 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
4558 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
4559 | unlock_user_struct(target_sd, target_addr, 0); | |
4560 | return 0; | |
4561 | } | |
4562 | ||
4563 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
4564 | struct shmid_ds *host_sd) | |
4565 | { | |
4566 | struct target_shmid_ds *target_sd; | |
4567 | ||
4568 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
4569 | return -TARGET_EFAULT; | |
4570 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
4571 | return -TARGET_EFAULT; | |
4572 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
4573 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
4574 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
4575 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
4576 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
4577 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
4578 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
4579 | unlock_user_struct(target_sd, target_addr, 1); | |
4580 | return 0; | |
4581 | } | |
4582 | ||
4583 | struct target_shminfo { | |
4584 | abi_ulong shmmax; | |
4585 | abi_ulong shmmin; | |
4586 | abi_ulong shmmni; | |
4587 | abi_ulong shmseg; | |
4588 | abi_ulong shmall; | |
4589 | }; | |
4590 | ||
4591 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
4592 | struct shminfo *host_shminfo) | |
4593 | { | |
4594 | struct target_shminfo *target_shminfo; | |
4595 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
4596 | return -TARGET_EFAULT; | |
4597 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
4598 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
4599 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
4600 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
4601 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
4602 | unlock_user_struct(target_shminfo, target_addr, 1); | |
4603 | return 0; | |
4604 | } | |
4605 | ||
4606 | struct target_shm_info { | |
4607 | int used_ids; | |
4608 | abi_ulong shm_tot; | |
4609 | abi_ulong shm_rss; | |
4610 | abi_ulong shm_swp; | |
4611 | abi_ulong swap_attempts; | |
4612 | abi_ulong swap_successes; | |
4613 | }; | |
4614 | ||
4615 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
4616 | struct shm_info *host_shm_info) | |
4617 | { | |
4618 | struct target_shm_info *target_shm_info; | |
4619 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
4620 | return -TARGET_EFAULT; | |
4621 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
4622 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
4623 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
4624 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
4625 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
4626 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
4627 | unlock_user_struct(target_shm_info, target_addr, 1); | |
4628 | return 0; | |
4629 | } | |
4630 | ||
4631 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
4632 | { | |
4633 | struct shmid_ds dsarg; | |
4634 | struct shminfo shminfo; | |
4635 | struct shm_info shm_info; | |
4636 | abi_long ret = -TARGET_EINVAL; | |
4637 | ||
4638 | cmd &= 0xff; | |
4639 | ||
4640 | switch(cmd) { | |
4641 | case IPC_STAT: | |
4642 | case IPC_SET: | |
4643 | case SHM_STAT: | |
4644 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
4645 | return -TARGET_EFAULT; | |
4646 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
4647 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
4648 | return -TARGET_EFAULT; | |
4649 | break; | |
4650 | case IPC_INFO: | |
4651 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
4652 | if (host_to_target_shminfo(buf, &shminfo)) | |
4653 | return -TARGET_EFAULT; | |
4654 | break; | |
4655 | case SHM_INFO: | |
4656 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
4657 | if (host_to_target_shm_info(buf, &shm_info)) | |
4658 | return -TARGET_EFAULT; | |
4659 | break; | |
4660 | case IPC_RMID: | |
4661 | case SHM_LOCK: | |
4662 | case SHM_UNLOCK: | |
4663 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
4664 | break; | |
4665 | } | |
4666 | ||
4667 | return ret; | |
4668 | } | |
4669 | ||
ee8e7614 PM |
4670 | #ifndef TARGET_FORCE_SHMLBA |
4671 | /* For most architectures, SHMLBA is the same as the page size; | |
4672 | * some architectures have larger values, in which case they should | |
4673 | * define TARGET_FORCE_SHMLBA and provide a target_shmlba() function. | |
4674 | * This corresponds to the kernel arch code defining __ARCH_FORCE_SHMLBA | |
4675 | * and defining its own value for SHMLBA. | |
4676 | * | |
4677 | * The kernel also permits SHMLBA to be set by the architecture to a | |
4678 | * value larger than the page size without setting __ARCH_FORCE_SHMLBA; | |
4679 | * this means that addresses are rounded to the large size if | |
4680 | * SHM_RND is set but addresses not aligned to that size are not rejected | |
4681 | * as long as they are at least page-aligned. Since the only architecture | |
4682 | * which uses this is ia64 this code doesn't provide for that oddity. | |
4683 | */ | |
4684 | static inline abi_ulong target_shmlba(CPUArchState *cpu_env) | |
4685 | { | |
4686 | return TARGET_PAGE_SIZE; | |
4687 | } | |
4688 | #endif | |
4689 | ||
4690 | static inline abi_ulong do_shmat(CPUArchState *cpu_env, | |
4691 | int shmid, abi_ulong shmaddr, int shmflg) | |
88a8c984 RV |
4692 | { |
4693 | abi_long raddr; | |
4694 | void *host_raddr; | |
4695 | struct shmid_ds shm_info; | |
4696 | int i,ret; | |
ee8e7614 | 4697 | abi_ulong shmlba; |
88a8c984 RV |
4698 | |
4699 | /* find out the length of the shared memory segment */ | |
4700 | ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); | |
4701 | if (is_error(ret)) { | |
4702 | /* can't get length, bail out */ | |
4703 | return ret; | |
4704 | } | |
4705 | ||
ee8e7614 PM |
4706 | shmlba = target_shmlba(cpu_env); |
4707 | ||
4708 | if (shmaddr & (shmlba - 1)) { | |
4709 | if (shmflg & SHM_RND) { | |
4710 | shmaddr &= ~(shmlba - 1); | |
4711 | } else { | |
4712 | return -TARGET_EINVAL; | |
4713 | } | |
4714 | } | |
4715 | ||
88a8c984 RV |
4716 | mmap_lock(); |
4717 | ||
4718 | if (shmaddr) | |
4719 | host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg); | |
4720 | else { | |
4721 | abi_ulong mmap_start; | |
4722 | ||
4723 | mmap_start = mmap_find_vma(0, shm_info.shm_segsz); | |
4724 | ||
4725 | if (mmap_start == -1) { | |
4726 | errno = ENOMEM; | |
4727 | host_raddr = (void *)-1; | |
4728 | } else | |
4729 | host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); | |
4730 | } | |
4731 | ||
4732 | if (host_raddr == (void *)-1) { | |
4733 | mmap_unlock(); | |
4734 | return get_errno((long)host_raddr); | |
4735 | } | |
4736 | raddr=h2g((unsigned long)host_raddr); | |
4737 | ||
4738 | page_set_flags(raddr, raddr + shm_info.shm_segsz, | |
4739 | PAGE_VALID | PAGE_READ | | |
4740 | ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE)); | |
4741 | ||
4742 | for (i = 0; i < N_SHM_REGIONS; i++) { | |
b6e17875 PM |
4743 | if (!shm_regions[i].in_use) { |
4744 | shm_regions[i].in_use = true; | |
88a8c984 RV |
4745 | shm_regions[i].start = raddr; |
4746 | shm_regions[i].size = shm_info.shm_segsz; | |
4747 | break; | |
4748 | } | |
4749 | } | |
4750 | ||
4751 | mmap_unlock(); | |
4752 | return raddr; | |
4753 | ||
4754 | } | |
4755 | ||
4756 | static inline abi_long do_shmdt(abi_ulong shmaddr) | |
4757 | { | |
4758 | int i; | |
4759 | ||
4760 | for (i = 0; i < N_SHM_REGIONS; ++i) { | |
b6e17875 PM |
4761 | if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) { |
4762 | shm_regions[i].in_use = false; | |
e00ac249 | 4763 | page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0); |
88a8c984 RV |
4764 | break; |
4765 | } | |
4766 | } | |
4767 | ||
4768 | return get_errno(shmdt(g2h(shmaddr))); | |
4769 | } | |
4770 | ||
1c54ff97 | 4771 | #ifdef TARGET_NR_ipc |
53a5960a | 4772 | /* ??? This only works with linear mappings. */ |
0da46a6e | 4773 | /* do_ipc() must return target values and target errnos. */ |
ee8e7614 PM |
4774 | static abi_long do_ipc(CPUArchState *cpu_env, |
4775 | unsigned int call, abi_long first, | |
37ed0956 | 4776 | abi_long second, abi_long third, |
992f48a0 | 4777 | abi_long ptr, abi_long fifth) |
8853f86e FB |
4778 | { |
4779 | int version; | |
992f48a0 | 4780 | abi_long ret = 0; |
8853f86e FB |
4781 | |
4782 | version = call >> 16; | |
4783 | call &= 0xffff; | |
4784 | ||
4785 | switch (call) { | |
fa294816 | 4786 | case IPCOP_semop: |
e5289087 | 4787 | ret = do_semop(first, ptr, second); |
fa294816 TS |
4788 | break; |
4789 | ||
4790 | case IPCOP_semget: | |
4791 | ret = get_errno(semget(first, second, third)); | |
4792 | break; | |
4793 | ||
5d2fa8eb TM |
4794 | case IPCOP_semctl: { |
4795 | /* The semun argument to semctl is passed by value, so dereference the | |
4796 | * ptr argument. */ | |
4797 | abi_ulong atptr; | |
37ed0956 | 4798 | get_user_ual(atptr, ptr); |
d1c002b6 | 4799 | ret = do_semctl(first, second, third, atptr); |
fa294816 | 4800 | break; |
5d2fa8eb | 4801 | } |
d96372ef | 4802 | |
1c54ff97 AJ |
4803 | case IPCOP_msgget: |
4804 | ret = get_errno(msgget(first, second)); | |
4805 | break; | |
d96372ef | 4806 | |
1c54ff97 AJ |
4807 | case IPCOP_msgsnd: |
4808 | ret = do_msgsnd(first, ptr, second, third); | |
4809 | break; | |
d96372ef | 4810 | |
1c54ff97 AJ |
4811 | case IPCOP_msgctl: |
4812 | ret = do_msgctl(first, second, ptr); | |
4813 | break; | |
d96372ef | 4814 | |
1c54ff97 AJ |
4815 | case IPCOP_msgrcv: |
4816 | switch (version) { | |
4817 | case 0: | |
4818 | { | |
4819 | struct target_ipc_kludge { | |
4820 | abi_long msgp; | |
4821 | abi_long msgtyp; | |
4822 | } *tmp; | |
4823 | ||
4824 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
4825 | ret = -TARGET_EFAULT; | |
4826 | break; | |
4827 | } | |
d96372ef | 4828 | |
79dd77de | 4829 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 4830 | |
1c54ff97 AJ |
4831 | unlock_user_struct(tmp, ptr, 0); |
4832 | break; | |
4833 | } | |
4834 | default: | |
4835 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
4836 | } | |
4837 | break; | |
d96372ef | 4838 | |
8853f86e | 4839 | case IPCOP_shmat: |
88a8c984 RV |
4840 | switch (version) { |
4841 | default: | |
5a4a898d FB |
4842 | { |
4843 | abi_ulong raddr; | |
ee8e7614 | 4844 | raddr = do_shmat(cpu_env, first, ptr, second); |
88a8c984 RV |
4845 | if (is_error(raddr)) |
4846 | return get_errno(raddr); | |
2f619698 | 4847 | if (put_user_ual(raddr, third)) |
5a4a898d | 4848 | return -TARGET_EFAULT; |
88a8c984 RV |
4849 | break; |
4850 | } | |
4851 | case 1: | |
4852 | ret = -TARGET_EINVAL; | |
4853 | break; | |
5a4a898d | 4854 | } |
8853f86e FB |
4855 | break; |
4856 | case IPCOP_shmdt: | |
88a8c984 | 4857 | ret = do_shmdt(ptr); |
8853f86e FB |
4858 | break; |
4859 | ||
4860 | case IPCOP_shmget: | |
4861 | /* IPC_* flag values are the same on all linux platforms */ | |
4862 | ret = get_errno(shmget(first, second, third)); | |
4863 | break; | |
4864 | ||
4865 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
4866 | case IPCOP_shmctl: | |
a2926784 | 4867 | ret = do_shmctl(first, second, ptr); |
8853f86e FB |
4868 | break; |
4869 | default: | |
32407103 | 4870 | gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); |
0da46a6e | 4871 | ret = -TARGET_ENOSYS; |
8853f86e FB |
4872 | break; |
4873 | } | |
4874 | return ret; | |
4875 | } | |
32407103 | 4876 | #endif |
8853f86e | 4877 | |
31e31b8a | 4878 | /* kernel structure types definitions */ |
31e31b8a | 4879 | |
001faf32 | 4880 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
4881 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
4882 | enum { | |
4883 | #include "syscall_types.h" | |
8be656b8 | 4884 | STRUCT_MAX |
31e31b8a FB |
4885 | }; |
4886 | #undef STRUCT | |
4887 | #undef STRUCT_SPECIAL | |
4888 | ||
001faf32 | 4889 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
4890 | #define STRUCT_SPECIAL(name) |
4891 | #include "syscall_types.h" | |
4892 | #undef STRUCT | |
4893 | #undef STRUCT_SPECIAL | |
4894 | ||
d2ef05bb PM |
4895 | typedef struct IOCTLEntry IOCTLEntry; |
4896 | ||
4897 | typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 4898 | int fd, int cmd, abi_long arg); |
d2ef05bb PM |
4899 | |
4900 | struct IOCTLEntry { | |
9c6bf9c7 | 4901 | int target_cmd; |
2ab83ea7 | 4902 | unsigned int host_cmd; |
31e31b8a FB |
4903 | const char *name; |
4904 | int access; | |
d2ef05bb | 4905 | do_ioctl_fn *do_ioctl; |
1a9353d2 | 4906 | const argtype arg_type[5]; |
d2ef05bb | 4907 | }; |
31e31b8a FB |
4908 | |
4909 | #define IOC_R 0x0001 | |
4910 | #define IOC_W 0x0002 | |
4911 | #define IOC_RW (IOC_R | IOC_W) | |
4912 | ||
4913 | #define MAX_STRUCT_SIZE 4096 | |
4914 | ||
dace20dc | 4915 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
4916 | /* So fiemap access checks don't overflow on 32 bit systems. |
4917 | * This is very slightly smaller than the limit imposed by | |
4918 | * the underlying kernel. | |
4919 | */ | |
4920 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
4921 | / sizeof(struct fiemap_extent)) | |
4922 | ||
4923 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 4924 | int fd, int cmd, abi_long arg) |
285da2b9 PM |
4925 | { |
4926 | /* The parameter for this ioctl is a struct fiemap followed | |
4927 | * by an array of struct fiemap_extent whose size is set | |
4928 | * in fiemap->fm_extent_count. The array is filled in by the | |
4929 | * ioctl. | |
4930 | */ | |
4931 | int target_size_in, target_size_out; | |
4932 | struct fiemap *fm; | |
4933 | const argtype *arg_type = ie->arg_type; | |
4934 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
4935 | void *argptr, *p; | |
4936 | abi_long ret; | |
4937 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
4938 | uint32_t outbufsz; | |
4939 | int free_fm = 0; | |
4940 | ||
4941 | assert(arg_type[0] == TYPE_PTR); | |
4942 | assert(ie->access == IOC_RW); | |
4943 | arg_type++; | |
4944 | target_size_in = thunk_type_size(arg_type, 0); | |
4945 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
4946 | if (!argptr) { | |
4947 | return -TARGET_EFAULT; | |
4948 | } | |
4949 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4950 | unlock_user(argptr, arg, 0); | |
4951 | fm = (struct fiemap *)buf_temp; | |
4952 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
4953 | return -TARGET_EINVAL; | |
4954 | } | |
4955 | ||
4956 | outbufsz = sizeof (*fm) + | |
4957 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
4958 | ||
4959 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4960 | /* We can't fit all the extents into the fixed size buffer. | |
4961 | * Allocate one that is large enough and use it instead. | |
4962 | */ | |
0e173b24 | 4963 | fm = g_try_malloc(outbufsz); |
285da2b9 PM |
4964 | if (!fm) { |
4965 | return -TARGET_ENOMEM; | |
4966 | } | |
4967 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
4968 | free_fm = 1; | |
4969 | } | |
49ca6f3e | 4970 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm)); |
285da2b9 PM |
4971 | if (!is_error(ret)) { |
4972 | target_size_out = target_size_in; | |
4973 | /* An extent_count of 0 means we were only counting the extents | |
4974 | * so there are no structs to copy | |
4975 | */ | |
4976 | if (fm->fm_extent_count != 0) { | |
4977 | target_size_out += fm->fm_mapped_extents * extent_size; | |
4978 | } | |
4979 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
4980 | if (!argptr) { | |
4981 | ret = -TARGET_EFAULT; | |
4982 | } else { | |
4983 | /* Convert the struct fiemap */ | |
4984 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
4985 | if (fm->fm_extent_count != 0) { | |
4986 | p = argptr + target_size_in; | |
4987 | /* ...and then all the struct fiemap_extents */ | |
4988 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
4989 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
4990 | THUNK_TARGET); | |
4991 | p += extent_size; | |
4992 | } | |
4993 | } | |
4994 | unlock_user(argptr, arg, target_size_out); | |
4995 | } | |
4996 | } | |
4997 | if (free_fm) { | |
0e173b24 | 4998 | g_free(fm); |
285da2b9 PM |
4999 | } |
5000 | return ret; | |
5001 | } | |
dace20dc | 5002 | #endif |
285da2b9 | 5003 | |
059c2f2c | 5004 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5005 | int fd, int cmd, abi_long arg) |
059c2f2c LV |
5006 | { |
5007 | const argtype *arg_type = ie->arg_type; | |
5008 | int target_size; | |
5009 | void *argptr; | |
5010 | int ret; | |
5011 | struct ifconf *host_ifconf; | |
5012 | uint32_t outbufsz; | |
5013 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
5014 | int target_ifreq_size; | |
5015 | int nb_ifreq; | |
5016 | int free_buf = 0; | |
5017 | int i; | |
5018 | int target_ifc_len; | |
5019 | abi_long target_ifc_buf; | |
5020 | int host_ifc_len; | |
5021 | char *host_ifc_buf; | |
5022 | ||
5023 | assert(arg_type[0] == TYPE_PTR); | |
5024 | assert(ie->access == IOC_RW); | |
5025 | ||
5026 | arg_type++; | |
5027 | target_size = thunk_type_size(arg_type, 0); | |
5028 | ||
5029 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5030 | if (!argptr) | |
5031 | return -TARGET_EFAULT; | |
5032 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5033 | unlock_user(argptr, arg, 0); | |
5034 | ||
5035 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
5036 | target_ifc_len = host_ifconf->ifc_len; | |
5037 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; | |
5038 | ||
5039 | target_ifreq_size = thunk_type_size(ifreq_arg_type, 0); | |
5040 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
5041 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
5042 | ||
5043 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
5044 | if (outbufsz > MAX_STRUCT_SIZE) { | |
5045 | /* We can't fit all the extents into the fixed size buffer. | |
5046 | * Allocate one that is large enough and use it instead. | |
5047 | */ | |
5048 | host_ifconf = malloc(outbufsz); | |
5049 | if (!host_ifconf) { | |
5050 | return -TARGET_ENOMEM; | |
5051 | } | |
5052 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
5053 | free_buf = 1; | |
5054 | } | |
5055 | host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf); | |
5056 | ||
5057 | host_ifconf->ifc_len = host_ifc_len; | |
5058 | host_ifconf->ifc_buf = host_ifc_buf; | |
5059 | ||
49ca6f3e | 5060 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf)); |
059c2f2c LV |
5061 | if (!is_error(ret)) { |
5062 | /* convert host ifc_len to target ifc_len */ | |
5063 | ||
5064 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
5065 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
5066 | host_ifconf->ifc_len = target_ifc_len; | |
5067 | ||
5068 | /* restore target ifc_buf */ | |
5069 | ||
5070 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
5071 | ||
5072 | /* copy struct ifconf to target user */ | |
5073 | ||
5074 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
5075 | if (!argptr) | |
5076 | return -TARGET_EFAULT; | |
5077 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
5078 | unlock_user(argptr, arg, target_size); | |
5079 | ||
5080 | /* copy ifreq[] to target user */ | |
5081 | ||
5082 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
5083 | for (i = 0; i < nb_ifreq ; i++) { | |
5084 | thunk_convert(argptr + i * target_ifreq_size, | |
5085 | host_ifc_buf + i * sizeof(struct ifreq), | |
5086 | ifreq_arg_type, THUNK_TARGET); | |
5087 | } | |
5088 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
5089 | } | |
5090 | ||
5091 | if (free_buf) { | |
5092 | free(host_ifconf); | |
5093 | } | |
5094 | ||
5095 | return ret; | |
5096 | } | |
5097 | ||
56e904ec | 5098 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 5099 | int cmd, abi_long arg) |
56e904ec AG |
5100 | { |
5101 | void *argptr; | |
5102 | struct dm_ioctl *host_dm; | |
5103 | abi_long guest_data; | |
5104 | uint32_t guest_data_size; | |
5105 | int target_size; | |
5106 | const argtype *arg_type = ie->arg_type; | |
5107 | abi_long ret; | |
5108 | void *big_buf = NULL; | |
5109 | char *host_data; | |
5110 | ||
5111 | arg_type++; | |
5112 | target_size = thunk_type_size(arg_type, 0); | |
5113 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5114 | if (!argptr) { | |
5115 | ret = -TARGET_EFAULT; | |
5116 | goto out; | |
5117 | } | |
5118 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5119 | unlock_user(argptr, arg, 0); | |
5120 | ||
5121 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
5122 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
5123 | memcpy(big_buf, buf_temp, target_size); | |
5124 | buf_temp = big_buf; | |
5125 | host_dm = big_buf; | |
5126 | ||
5127 | guest_data = arg + host_dm->data_start; | |
5128 | if ((guest_data - arg) < 0) { | |
f9757b1d | 5129 | ret = -TARGET_EINVAL; |
56e904ec AG |
5130 | goto out; |
5131 | } | |
5132 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
5133 | host_data = (char*)host_dm + host_dm->data_start; | |
5134 | ||
5135 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3211215e PM |
5136 | if (!argptr) { |
5137 | ret = -TARGET_EFAULT; | |
5138 | goto out; | |
5139 | } | |
5140 | ||
56e904ec AG |
5141 | switch (ie->host_cmd) { |
5142 | case DM_REMOVE_ALL: | |
5143 | case DM_LIST_DEVICES: | |
5144 | case DM_DEV_CREATE: | |
5145 | case DM_DEV_REMOVE: | |
5146 | case DM_DEV_SUSPEND: | |
5147 | case DM_DEV_STATUS: | |
5148 | case DM_DEV_WAIT: | |
5149 | case DM_TABLE_STATUS: | |
5150 | case DM_TABLE_CLEAR: | |
5151 | case DM_TABLE_DEPS: | |
5152 | case DM_LIST_VERSIONS: | |
5153 | /* no input data */ | |
5154 | break; | |
5155 | case DM_DEV_RENAME: | |
5156 | case DM_DEV_SET_GEOMETRY: | |
5157 | /* data contains only strings */ | |
5158 | memcpy(host_data, argptr, guest_data_size); | |
5159 | break; | |
5160 | case DM_TARGET_MSG: | |
5161 | memcpy(host_data, argptr, guest_data_size); | |
5162 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
5163 | break; | |
5164 | case DM_TABLE_LOAD: | |
5165 | { | |
5166 | void *gspec = argptr; | |
5167 | void *cur_data = host_data; | |
5168 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
5169 | int spec_size = thunk_type_size(arg_type, 0); | |
5170 | int i; | |
5171 | ||
5172 | for (i = 0; i < host_dm->target_count; i++) { | |
5173 | struct dm_target_spec *spec = cur_data; | |
5174 | uint32_t next; | |
5175 | int slen; | |
5176 | ||
5177 | thunk_convert(spec, gspec, arg_type, THUNK_HOST); | |
5178 | slen = strlen((char*)gspec + spec_size) + 1; | |
5179 | next = spec->next; | |
5180 | spec->next = sizeof(*spec) + slen; | |
5181 | strcpy((char*)&spec[1], gspec + spec_size); | |
5182 | gspec += next; | |
5183 | cur_data += spec->next; | |
5184 | } | |
5185 | break; | |
5186 | } | |
5187 | default: | |
5188 | ret = -TARGET_EINVAL; | |
dec0473d | 5189 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
5190 | goto out; |
5191 | } | |
5192 | unlock_user(argptr, guest_data, 0); | |
5193 | ||
49ca6f3e | 5194 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
56e904ec AG |
5195 | if (!is_error(ret)) { |
5196 | guest_data = arg + host_dm->data_start; | |
5197 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
5198 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
5199 | switch (ie->host_cmd) { | |
5200 | case DM_REMOVE_ALL: | |
5201 | case DM_DEV_CREATE: | |
5202 | case DM_DEV_REMOVE: | |
5203 | case DM_DEV_RENAME: | |
5204 | case DM_DEV_SUSPEND: | |
5205 | case DM_DEV_STATUS: | |
5206 | case DM_TABLE_LOAD: | |
5207 | case DM_TABLE_CLEAR: | |
5208 | case DM_TARGET_MSG: | |
5209 | case DM_DEV_SET_GEOMETRY: | |
5210 | /* no return data */ | |
5211 | break; | |
5212 | case DM_LIST_DEVICES: | |
5213 | { | |
5214 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
5215 | uint32_t remaining_data = guest_data_size; | |
5216 | void *cur_data = argptr; | |
5217 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; | |
5218 | int nl_size = 12; /* can't use thunk_size due to alignment */ | |
5219 | ||
5220 | while (1) { | |
5221 | uint32_t next = nl->next; | |
5222 | if (next) { | |
5223 | nl->next = nl_size + (strlen(nl->name) + 1); | |
5224 | } | |
5225 | if (remaining_data < nl->next) { | |
5226 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5227 | break; | |
5228 | } | |
5229 | thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); | |
5230 | strcpy(cur_data + nl_size, nl->name); | |
5231 | cur_data += nl->next; | |
5232 | remaining_data -= nl->next; | |
5233 | if (!next) { | |
5234 | break; | |
5235 | } | |
5236 | nl = (void*)nl + next; | |
5237 | } | |
5238 | break; | |
5239 | } | |
5240 | case DM_DEV_WAIT: | |
5241 | case DM_TABLE_STATUS: | |
5242 | { | |
5243 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
5244 | void *cur_data = argptr; | |
5245 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
5246 | int spec_size = thunk_type_size(arg_type, 0); | |
5247 | int i; | |
5248 | ||
5249 | for (i = 0; i < host_dm->target_count; i++) { | |
5250 | uint32_t next = spec->next; | |
5251 | int slen = strlen((char*)&spec[1]) + 1; | |
5252 | spec->next = (cur_data - argptr) + spec_size + slen; | |
5253 | if (guest_data_size < spec->next) { | |
5254 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5255 | break; | |
5256 | } | |
5257 | thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); | |
5258 | strcpy(cur_data + spec_size, (char*)&spec[1]); | |
5259 | cur_data = argptr + spec->next; | |
5260 | spec = (void*)host_dm + host_dm->data_start + next; | |
5261 | } | |
5262 | break; | |
5263 | } | |
5264 | case DM_TABLE_DEPS: | |
5265 | { | |
5266 | void *hdata = (void*)host_dm + host_dm->data_start; | |
5267 | int count = *(uint32_t*)hdata; | |
5268 | uint64_t *hdev = hdata + 8; | |
5269 | uint64_t *gdev = argptr + 8; | |
5270 | int i; | |
5271 | ||
5272 | *(uint32_t*)argptr = tswap32(count); | |
5273 | for (i = 0; i < count; i++) { | |
5274 | *gdev = tswap64(*hdev); | |
5275 | gdev++; | |
5276 | hdev++; | |
5277 | } | |
5278 | break; | |
5279 | } | |
5280 | case DM_LIST_VERSIONS: | |
5281 | { | |
5282 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
5283 | uint32_t remaining_data = guest_data_size; | |
5284 | void *cur_data = argptr; | |
5285 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; | |
5286 | int vers_size = thunk_type_size(arg_type, 0); | |
5287 | ||
5288 | while (1) { | |
5289 | uint32_t next = vers->next; | |
5290 | if (next) { | |
5291 | vers->next = vers_size + (strlen(vers->name) + 1); | |
5292 | } | |
5293 | if (remaining_data < vers->next) { | |
5294 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5295 | break; | |
5296 | } | |
5297 | thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); | |
5298 | strcpy(cur_data + vers_size, vers->name); | |
5299 | cur_data += vers->next; | |
5300 | remaining_data -= vers->next; | |
5301 | if (!next) { | |
5302 | break; | |
5303 | } | |
5304 | vers = (void*)vers + next; | |
5305 | } | |
5306 | break; | |
5307 | } | |
5308 | default: | |
dec0473d | 5309 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
5310 | ret = -TARGET_EINVAL; |
5311 | goto out; | |
5312 | } | |
5313 | unlock_user(argptr, guest_data, guest_data_size); | |
5314 | ||
5315 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
5316 | if (!argptr) { | |
5317 | ret = -TARGET_EFAULT; | |
5318 | goto out; | |
5319 | } | |
5320 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
5321 | unlock_user(argptr, arg, target_size); | |
5322 | } | |
5323 | out: | |
ad11ad77 | 5324 | g_free(big_buf); |
56e904ec AG |
5325 | return ret; |
5326 | } | |
5327 | ||
a59b5e35 | 5328 | static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 5329 | int cmd, abi_long arg) |
a59b5e35 AG |
5330 | { |
5331 | void *argptr; | |
5332 | int target_size; | |
5333 | const argtype *arg_type = ie->arg_type; | |
5334 | const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) }; | |
5335 | abi_long ret; | |
5336 | ||
5337 | struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp; | |
5338 | struct blkpg_partition host_part; | |
5339 | ||
5340 | /* Read and convert blkpg */ | |
5341 | arg_type++; | |
5342 | target_size = thunk_type_size(arg_type, 0); | |
5343 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5344 | if (!argptr) { | |
5345 | ret = -TARGET_EFAULT; | |
5346 | goto out; | |
5347 | } | |
5348 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5349 | unlock_user(argptr, arg, 0); | |
5350 | ||
5351 | switch (host_blkpg->op) { | |
5352 | case BLKPG_ADD_PARTITION: | |
5353 | case BLKPG_DEL_PARTITION: | |
5354 | /* payload is struct blkpg_partition */ | |
5355 | break; | |
5356 | default: | |
5357 | /* Unknown opcode */ | |
5358 | ret = -TARGET_EINVAL; | |
5359 | goto out; | |
5360 | } | |
5361 | ||
5362 | /* Read and convert blkpg->data */ | |
5363 | arg = (abi_long)(uintptr_t)host_blkpg->data; | |
5364 | target_size = thunk_type_size(part_arg_type, 0); | |
5365 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5366 | if (!argptr) { | |
5367 | ret = -TARGET_EFAULT; | |
5368 | goto out; | |
5369 | } | |
5370 | thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST); | |
5371 | unlock_user(argptr, arg, 0); | |
5372 | ||
5373 | /* Swizzle the data pointer to our local copy and call! */ | |
5374 | host_blkpg->data = &host_part; | |
49ca6f3e | 5375 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg)); |
a59b5e35 AG |
5376 | |
5377 | out: | |
5378 | return ret; | |
5379 | } | |
5380 | ||
7ff7b666 | 5381 | static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5382 | int fd, int cmd, abi_long arg) |
7ff7b666 LV |
5383 | { |
5384 | const argtype *arg_type = ie->arg_type; | |
5385 | const StructEntry *se; | |
5386 | const argtype *field_types; | |
5387 | const int *dst_offsets, *src_offsets; | |
5388 | int target_size; | |
5389 | void *argptr; | |
5390 | abi_ulong *target_rt_dev_ptr; | |
5391 | unsigned long *host_rt_dev_ptr; | |
5392 | abi_long ret; | |
5393 | int i; | |
5394 | ||
5395 | assert(ie->access == IOC_W); | |
5396 | assert(*arg_type == TYPE_PTR); | |
5397 | arg_type++; | |
5398 | assert(*arg_type == TYPE_STRUCT); | |
5399 | target_size = thunk_type_size(arg_type, 0); | |
5400 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5401 | if (!argptr) { | |
5402 | return -TARGET_EFAULT; | |
5403 | } | |
5404 | arg_type++; | |
5405 | assert(*arg_type == (int)STRUCT_rtentry); | |
5406 | se = struct_entries + *arg_type++; | |
5407 | assert(se->convert[0] == NULL); | |
5408 | /* convert struct here to be able to catch rt_dev string */ | |
5409 | field_types = se->field_types; | |
5410 | dst_offsets = se->field_offsets[THUNK_HOST]; | |
5411 | src_offsets = se->field_offsets[THUNK_TARGET]; | |
5412 | for (i = 0; i < se->nb_fields; i++) { | |
5413 | if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { | |
5414 | assert(*field_types == TYPE_PTRVOID); | |
5415 | target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]); | |
5416 | host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); | |
5417 | if (*target_rt_dev_ptr != 0) { | |
5418 | *host_rt_dev_ptr = (unsigned long)lock_user_string( | |
5419 | tswapal(*target_rt_dev_ptr)); | |
5420 | if (!*host_rt_dev_ptr) { | |
5421 | unlock_user(argptr, arg, 0); | |
5422 | return -TARGET_EFAULT; | |
5423 | } | |
5424 | } else { | |
5425 | *host_rt_dev_ptr = 0; | |
5426 | } | |
5427 | field_types++; | |
5428 | continue; | |
5429 | } | |
5430 | field_types = thunk_convert(buf_temp + dst_offsets[i], | |
5431 | argptr + src_offsets[i], | |
5432 | field_types, THUNK_HOST); | |
5433 | } | |
5434 | unlock_user(argptr, arg, 0); | |
5435 | ||
49ca6f3e | 5436 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
7ff7b666 LV |
5437 | if (*host_rt_dev_ptr != 0) { |
5438 | unlock_user((void *)*host_rt_dev_ptr, | |
5439 | *target_rt_dev_ptr, 0); | |
5440 | } | |
5441 | return ret; | |
5442 | } | |
5443 | ||
ca56f5b5 | 5444 | static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5445 | int fd, int cmd, abi_long arg) |
ca56f5b5 PB |
5446 | { |
5447 | int sig = target_to_host_signal(arg); | |
49ca6f3e | 5448 | return get_errno(safe_ioctl(fd, ie->host_cmd, sig)); |
ca56f5b5 PB |
5449 | } |
5450 | ||
9f106a75 | 5451 | static IOCTLEntry ioctl_entries[] = { |
001faf32 | 5452 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
5453 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
5454 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
5455 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
31e31b8a FB |
5456 | #include "ioctls.h" |
5457 | { 0, 0, }, | |
5458 | }; | |
5459 | ||
53a5960a | 5460 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 5461 | /* do_ioctl() Must return target values and target errnos. */ |
45c874eb | 5462 | static abi_long do_ioctl(int fd, int cmd, abi_long arg) |
31e31b8a FB |
5463 | { |
5464 | const IOCTLEntry *ie; | |
5465 | const argtype *arg_type; | |
992f48a0 | 5466 | abi_long ret; |
31e31b8a | 5467 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
5468 | int target_size; |
5469 | void *argptr; | |
31e31b8a FB |
5470 | |
5471 | ie = ioctl_entries; | |
5472 | for(;;) { | |
5473 | if (ie->target_cmd == 0) { | |
32407103 | 5474 | gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
0da46a6e | 5475 | return -TARGET_ENOSYS; |
31e31b8a FB |
5476 | } |
5477 | if (ie->target_cmd == cmd) | |
5478 | break; | |
5479 | ie++; | |
5480 | } | |
5481 | arg_type = ie->arg_type; | |
9de5e440 | 5482 | #if defined(DEBUG) |
32407103 | 5483 | gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); |
72f03900 | 5484 | #endif |
d2ef05bb PM |
5485 | if (ie->do_ioctl) { |
5486 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
5487 | } | |
5488 | ||
31e31b8a FB |
5489 | switch(arg_type[0]) { |
5490 | case TYPE_NULL: | |
5491 | /* no argument */ | |
49ca6f3e | 5492 | ret = get_errno(safe_ioctl(fd, ie->host_cmd)); |
31e31b8a FB |
5493 | break; |
5494 | case TYPE_PTRVOID: | |
5495 | case TYPE_INT: | |
49ca6f3e | 5496 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg)); |
31e31b8a FB |
5497 | break; |
5498 | case TYPE_PTR: | |
5499 | arg_type++; | |
53a5960a | 5500 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
5501 | switch(ie->access) { |
5502 | case IOC_R: | |
49ca6f3e | 5503 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 5504 | if (!is_error(ret)) { |
579a97f7 FB |
5505 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
5506 | if (!argptr) | |
5507 | return -TARGET_EFAULT; | |
53a5960a PB |
5508 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
5509 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
5510 | } |
5511 | break; | |
5512 | case IOC_W: | |
579a97f7 FB |
5513 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
5514 | if (!argptr) | |
5515 | return -TARGET_EFAULT; | |
53a5960a PB |
5516 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
5517 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 5518 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a FB |
5519 | break; |
5520 | default: | |
5521 | case IOC_RW: | |
579a97f7 FB |
5522 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
5523 | if (!argptr) | |
5524 | return -TARGET_EFAULT; | |
53a5960a PB |
5525 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
5526 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 5527 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 5528 | if (!is_error(ret)) { |
579a97f7 FB |
5529 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
5530 | if (!argptr) | |
5531 | return -TARGET_EFAULT; | |
53a5960a PB |
5532 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
5533 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
5534 | } |
5535 | break; | |
5536 | } | |
5537 | break; | |
5538 | default: | |
32407103 JM |
5539 | gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", |
5540 | (long)cmd, arg_type[0]); | |
0da46a6e | 5541 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
5542 | break; |
5543 | } | |
5544 | return ret; | |
5545 | } | |
5546 | ||
b39bc503 | 5547 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
5548 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
5549 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
5550 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
5551 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
5552 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
5553 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
5554 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
5555 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
5556 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
5557 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
5558 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
5559 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
5560 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
5561 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
5562 | { 0, 0, 0, 0 } | |
5563 | }; | |
5564 | ||
b39bc503 | 5565 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
5566 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
5567 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
5568 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
5569 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
5570 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
5571 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
5572 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
5573 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
5574 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
5575 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
5576 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
5577 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
5578 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
5579 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
5580 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
5581 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
5582 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
5583 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
5584 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
5585 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
5586 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
5587 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
5588 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
5589 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
5590 | { 0, 0, 0, 0 } | |
5591 | }; | |
5592 | ||
b39bc503 | 5593 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
5594 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
5595 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
5596 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
5597 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
5598 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
5599 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
5600 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
5601 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
5602 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
5603 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
5604 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
5605 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
5606 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
5607 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
5608 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
5609 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
5610 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
5611 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
5612 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
5613 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
5614 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
5615 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
5616 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
5617 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
5618 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
5619 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
5620 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
5621 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
5622 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
5623 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
5624 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
5625 | { 0, 0, 0, 0 } | |
5626 | }; | |
5627 | ||
b39bc503 | 5628 | static const bitmask_transtbl lflag_tbl[] = { |
31e31b8a FB |
5629 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
5630 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
5631 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
5632 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
5633 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
5634 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
5635 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
5636 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
5637 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
5638 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
5639 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
5640 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
5641 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
5642 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
5643 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
5644 | { 0, 0, 0, 0 } | |
5645 | }; | |
5646 | ||
5647 | static void target_to_host_termios (void *dst, const void *src) | |
5648 | { | |
5649 | struct host_termios *host = dst; | |
5650 | const struct target_termios *target = src; | |
3b46e624 | 5651 | |
5fafdf24 | 5652 | host->c_iflag = |
31e31b8a | 5653 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 5654 | host->c_oflag = |
31e31b8a | 5655 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 5656 | host->c_cflag = |
31e31b8a | 5657 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 5658 | host->c_lflag = |
31e31b8a FB |
5659 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
5660 | host->c_line = target->c_line; | |
3b46e624 | 5661 | |
44607123 | 5662 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
5663 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
5664 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 5665 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 5666 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 5667 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 5668 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 5669 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 5670 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 5671 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
5672 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
5673 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
5674 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
5675 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
5676 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
5677 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
5678 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 5679 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 5680 | } |
3b46e624 | 5681 | |
31e31b8a FB |
5682 | static void host_to_target_termios (void *dst, const void *src) |
5683 | { | |
5684 | struct target_termios *target = dst; | |
5685 | const struct host_termios *host = src; | |
5686 | ||
5fafdf24 | 5687 | target->c_iflag = |
31e31b8a | 5688 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 5689 | target->c_oflag = |
31e31b8a | 5690 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 5691 | target->c_cflag = |
31e31b8a | 5692 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 5693 | target->c_lflag = |
31e31b8a FB |
5694 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
5695 | target->c_line = host->c_line; | |
3b46e624 | 5696 | |
44607123 | 5697 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
5698 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
5699 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
5700 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
5701 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
5702 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
5703 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
5704 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
5705 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
5706 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
5707 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
5708 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
5709 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
5710 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
5711 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
5712 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
5713 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
5714 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
5715 | } | |
5716 | ||
8e853dc7 | 5717 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
5718 | .convert = { host_to_target_termios, target_to_host_termios }, |
5719 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
5720 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
5721 | }; | |
5722 | ||
5286db75 FB |
5723 | static bitmask_transtbl mmap_flags_tbl[] = { |
5724 | { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, | |
5725 | { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, | |
5726 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, | |
5727 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
5728 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
5729 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, | |
5730 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
5731 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
e8efd8e7 CL |
5732 | { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, MAP_NORESERVE, |
5733 | MAP_NORESERVE }, | |
5286db75 FB |
5734 | { 0, 0, 0, 0 } |
5735 | }; | |
5736 | ||
2ab83ea7 | 5737 | #if defined(TARGET_I386) |
6dbad63e FB |
5738 | |
5739 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 5740 | static uint8_t *ldt_table; |
6dbad63e | 5741 | |
03acab66 | 5742 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
5743 | { |
5744 | int size; | |
53a5960a | 5745 | void *p; |
6dbad63e FB |
5746 | |
5747 | if (!ldt_table) | |
5748 | return 0; | |
5749 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
5750 | if (size > bytecount) | |
5751 | size = bytecount; | |
579a97f7 FB |
5752 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
5753 | if (!p) | |
03acab66 | 5754 | return -TARGET_EFAULT; |
579a97f7 | 5755 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
5756 | memcpy(p, ldt_table, size); |
5757 | unlock_user(p, ptr, size); | |
6dbad63e FB |
5758 | return size; |
5759 | } | |
5760 | ||
5761 | /* XXX: add locking support */ | |
03acab66 FB |
5762 | static abi_long write_ldt(CPUX86State *env, |
5763 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
5764 | { |
5765 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 5766 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 5767 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 5768 | int seg_not_present, useable, lm; |
6dbad63e FB |
5769 | uint32_t *lp, entry_1, entry_2; |
5770 | ||
5771 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 5772 | return -TARGET_EINVAL; |
579a97f7 | 5773 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 5774 | return -TARGET_EFAULT; |
53a5960a | 5775 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 5776 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
5777 | ldt_info.limit = tswap32(target_ldt_info->limit); |
5778 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
5779 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 5780 | |
6dbad63e | 5781 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 5782 | return -TARGET_EINVAL; |
6dbad63e FB |
5783 | seg_32bit = ldt_info.flags & 1; |
5784 | contents = (ldt_info.flags >> 1) & 3; | |
5785 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
5786 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
5787 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
5788 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
5789 | #ifdef TARGET_ABI32 |
5790 | lm = 0; | |
5791 | #else | |
5792 | lm = (ldt_info.flags >> 7) & 1; | |
5793 | #endif | |
6dbad63e FB |
5794 | if (contents == 3) { |
5795 | if (oldmode) | |
03acab66 | 5796 | return -TARGET_EINVAL; |
6dbad63e | 5797 | if (seg_not_present == 0) |
03acab66 | 5798 | return -TARGET_EINVAL; |
6dbad63e FB |
5799 | } |
5800 | /* allocate the LDT */ | |
5801 | if (!ldt_table) { | |
e441570f AZ |
5802 | env->ldt.base = target_mmap(0, |
5803 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
5804 | PROT_READ|PROT_WRITE, | |
5805 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
5806 | if (env->ldt.base == -1) | |
03acab66 | 5807 | return -TARGET_ENOMEM; |
e441570f AZ |
5808 | memset(g2h(env->ldt.base), 0, |
5809 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); | |
6dbad63e | 5810 | env->ldt.limit = 0xffff; |
e441570f | 5811 | ldt_table = g2h(env->ldt.base); |
6dbad63e FB |
5812 | } |
5813 | ||
5814 | /* NOTE: same code as Linux kernel */ | |
5815 | /* Allow LDTs to be cleared by the user. */ | |
5816 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
5817 | if (oldmode || | |
5818 | (contents == 0 && | |
5819 | read_exec_only == 1 && | |
5820 | seg_32bit == 0 && | |
5821 | limit_in_pages == 0 && | |
5822 | seg_not_present == 1 && | |
5823 | useable == 0 )) { | |
5824 | entry_1 = 0; | |
5825 | entry_2 = 0; | |
5826 | goto install; | |
5827 | } | |
5828 | } | |
3b46e624 | 5829 | |
6dbad63e FB |
5830 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
5831 | (ldt_info.limit & 0x0ffff); | |
5832 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
5833 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
5834 | (ldt_info.limit & 0xf0000) | | |
5835 | ((read_exec_only ^ 1) << 9) | | |
5836 | (contents << 10) | | |
5837 | ((seg_not_present ^ 1) << 15) | | |
5838 | (seg_32bit << 22) | | |
5839 | (limit_in_pages << 23) | | |
8d18e893 | 5840 | (lm << 21) | |
6dbad63e FB |
5841 | 0x7000; |
5842 | if (!oldmode) | |
5843 | entry_2 |= (useable << 20); | |
14ae3ba7 | 5844 | |
6dbad63e FB |
5845 | /* Install the new entry ... */ |
5846 | install: | |
5847 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
5848 | lp[0] = tswap32(entry_1); | |
5849 | lp[1] = tswap32(entry_2); | |
5850 | return 0; | |
5851 | } | |
5852 | ||
5853 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
5854 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
5855 | unsigned long bytecount) | |
6dbad63e | 5856 | { |
03acab66 | 5857 | abi_long ret; |
3b46e624 | 5858 | |
6dbad63e FB |
5859 | switch (func) { |
5860 | case 0: | |
5861 | ret = read_ldt(ptr, bytecount); | |
5862 | break; | |
5863 | case 1: | |
5864 | ret = write_ldt(env, ptr, bytecount, 1); | |
5865 | break; | |
5866 | case 0x11: | |
5867 | ret = write_ldt(env, ptr, bytecount, 0); | |
5868 | break; | |
03acab66 FB |
5869 | default: |
5870 | ret = -TARGET_ENOSYS; | |
5871 | break; | |
6dbad63e FB |
5872 | } |
5873 | return ret; | |
5874 | } | |
1b6b029e | 5875 | |
4583f589 | 5876 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
bc22eb44 | 5877 | abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
5878 | { |
5879 | uint64_t *gdt_table = g2h(env->gdt.base); | |
5880 | struct target_modify_ldt_ldt_s ldt_info; | |
5881 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
5882 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
5883 | int seg_not_present, useable, lm; | |
5884 | uint32_t *lp, entry_1, entry_2; | |
5885 | int i; | |
5886 | ||
5887 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
5888 | if (!target_ldt_info) | |
5889 | return -TARGET_EFAULT; | |
5890 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 5891 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
5892 | ldt_info.limit = tswap32(target_ldt_info->limit); |
5893 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
5894 | if (ldt_info.entry_number == -1) { | |
5895 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
5896 | if (gdt_table[i] == 0) { | |
5897 | ldt_info.entry_number = i; | |
5898 | target_ldt_info->entry_number = tswap32(i); | |
5899 | break; | |
5900 | } | |
5901 | } | |
5902 | } | |
5903 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5904 | ||
5905 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
5906 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
5907 | return -TARGET_EINVAL; | |
5908 | seg_32bit = ldt_info.flags & 1; | |
5909 | contents = (ldt_info.flags >> 1) & 3; | |
5910 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
5911 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
5912 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
5913 | useable = (ldt_info.flags >> 6) & 1; | |
5914 | #ifdef TARGET_ABI32 | |
5915 | lm = 0; | |
5916 | #else | |
5917 | lm = (ldt_info.flags >> 7) & 1; | |
5918 | #endif | |
5919 | ||
5920 | if (contents == 3) { | |
5921 | if (seg_not_present == 0) | |
5922 | return -TARGET_EINVAL; | |
5923 | } | |
5924 | ||
5925 | /* NOTE: same code as Linux kernel */ | |
5926 | /* Allow LDTs to be cleared by the user. */ | |
5927 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
5928 | if ((contents == 0 && | |
5929 | read_exec_only == 1 && | |
5930 | seg_32bit == 0 && | |
5931 | limit_in_pages == 0 && | |
5932 | seg_not_present == 1 && | |
5933 | useable == 0 )) { | |
5934 | entry_1 = 0; | |
5935 | entry_2 = 0; | |
5936 | goto install; | |
5937 | } | |
5938 | } | |
5939 | ||
5940 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
5941 | (ldt_info.limit & 0x0ffff); | |
5942 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
5943 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
5944 | (ldt_info.limit & 0xf0000) | | |
5945 | ((read_exec_only ^ 1) << 9) | | |
5946 | (contents << 10) | | |
5947 | ((seg_not_present ^ 1) << 15) | | |
5948 | (seg_32bit << 22) | | |
5949 | (limit_in_pages << 23) | | |
5950 | (useable << 20) | | |
5951 | (lm << 21) | | |
5952 | 0x7000; | |
5953 | ||
5954 | /* Install the new entry ... */ | |
5955 | install: | |
5956 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
5957 | lp[0] = tswap32(entry_1); | |
5958 | lp[1] = tswap32(entry_2); | |
5959 | return 0; | |
5960 | } | |
5961 | ||
8fcd3692 | 5962 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
5963 | { |
5964 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
5965 | uint64_t *gdt_table = g2h(env->gdt.base); | |
5966 | uint32_t base_addr, limit, flags; | |
5967 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
5968 | int seg_not_present, useable, lm; | |
5969 | uint32_t *lp, entry_1, entry_2; | |
5970 | ||
5971 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
5972 | if (!target_ldt_info) | |
5973 | return -TARGET_EFAULT; | |
5974 | idx = tswap32(target_ldt_info->entry_number); | |
5975 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
5976 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
5977 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5978 | return -TARGET_EINVAL; | |
5979 | } | |
5980 | lp = (uint32_t *)(gdt_table + idx); | |
5981 | entry_1 = tswap32(lp[0]); | |
5982 | entry_2 = tswap32(lp[1]); | |
5983 | ||
5984 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
5985 | contents = (entry_2 >> 10) & 3; | |
5986 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
5987 | seg_32bit = (entry_2 >> 22) & 1; | |
5988 | limit_in_pages = (entry_2 >> 23) & 1; | |
5989 | useable = (entry_2 >> 20) & 1; | |
5990 | #ifdef TARGET_ABI32 | |
5991 | lm = 0; | |
5992 | #else | |
5993 | lm = (entry_2 >> 21) & 1; | |
5994 | #endif | |
5995 | flags = (seg_32bit << 0) | (contents << 1) | | |
5996 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
5997 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
5998 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
5999 | base_addr = (entry_1 >> 16) | | |
6000 | (entry_2 & 0xff000000) | | |
6001 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 6002 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
6003 | target_ldt_info->limit = tswap32(limit); |
6004 | target_ldt_info->flags = tswap32(flags); | |
6005 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6006 | return 0; | |
6007 | } | |
4583f589 | 6008 | #endif /* TARGET_I386 && TARGET_ABI32 */ |
8d18e893 | 6009 | |
d2fd1af7 | 6010 | #ifndef TARGET_ABI32 |
2667e71c | 6011 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 6012 | { |
1add8698 | 6013 | abi_long ret = 0; |
d2fd1af7 FB |
6014 | abi_ulong val; |
6015 | int idx; | |
1add8698 | 6016 | |
d2fd1af7 FB |
6017 | switch(code) { |
6018 | case TARGET_ARCH_SET_GS: | |
6019 | case TARGET_ARCH_SET_FS: | |
6020 | if (code == TARGET_ARCH_SET_GS) | |
6021 | idx = R_GS; | |
6022 | else | |
6023 | idx = R_FS; | |
6024 | cpu_x86_load_seg(env, idx, 0); | |
6025 | env->segs[idx].base = addr; | |
6026 | break; | |
6027 | case TARGET_ARCH_GET_GS: | |
6028 | case TARGET_ARCH_GET_FS: | |
6029 | if (code == TARGET_ARCH_GET_GS) | |
6030 | idx = R_GS; | |
6031 | else | |
6032 | idx = R_FS; | |
6033 | val = env->segs[idx].base; | |
6034 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 6035 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
6036 | break; |
6037 | default: | |
6038 | ret = -TARGET_EINVAL; | |
6039 | break; | |
6040 | } | |
1add8698 | 6041 | return ret; |
d2fd1af7 FB |
6042 | } |
6043 | #endif | |
6044 | ||
2ab83ea7 FB |
6045 | #endif /* defined(TARGET_I386) */ |
6046 | ||
05098a93 | 6047 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 6048 | |
d865bab5 PB |
6049 | |
6050 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
6051 | typedef struct { | |
9349b4f9 | 6052 | CPUArchState *env; |
d865bab5 PB |
6053 | pthread_mutex_t mutex; |
6054 | pthread_cond_t cond; | |
6055 | pthread_t thread; | |
6056 | uint32_t tid; | |
6057 | abi_ulong child_tidptr; | |
6058 | abi_ulong parent_tidptr; | |
6059 | sigset_t sigmask; | |
6060 | } new_thread_info; | |
6061 | ||
6062 | static void *clone_func(void *arg) | |
6063 | { | |
6064 | new_thread_info *info = arg; | |
9349b4f9 | 6065 | CPUArchState *env; |
0d34282f | 6066 | CPUState *cpu; |
edf8e2af | 6067 | TaskState *ts; |
d865bab5 | 6068 | |
70903763 | 6069 | rcu_register_thread(); |
d865bab5 | 6070 | env = info->env; |
0d34282f | 6071 | cpu = ENV_GET_CPU(env); |
a2247f8e | 6072 | thread_cpu = cpu; |
0429a971 | 6073 | ts = (TaskState *)cpu->opaque; |
d865bab5 | 6074 | info->tid = gettid(); |
0d34282f | 6075 | cpu->host_tid = info->tid; |
edf8e2af | 6076 | task_settid(ts); |
d865bab5 PB |
6077 | if (info->child_tidptr) |
6078 | put_user_u32(info->tid, info->child_tidptr); | |
6079 | if (info->parent_tidptr) | |
6080 | put_user_u32(info->tid, info->parent_tidptr); | |
6081 | /* Enable signals. */ | |
6082 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
6083 | /* Signal to the parent that we're ready. */ | |
6084 | pthread_mutex_lock(&info->mutex); | |
6085 | pthread_cond_broadcast(&info->cond); | |
6086 | pthread_mutex_unlock(&info->mutex); | |
6087 | /* Wait until the parent has finshed initializing the tls state. */ | |
6088 | pthread_mutex_lock(&clone_lock); | |
6089 | pthread_mutex_unlock(&clone_lock); | |
6090 | cpu_loop(env); | |
6091 | /* never exits */ | |
6092 | return NULL; | |
6093 | } | |
1b6b029e | 6094 | |
0da46a6e TS |
6095 | /* do_fork() Must return host values and target errnos (unlike most |
6096 | do_*() functions). */ | |
9349b4f9 | 6097 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
6098 | abi_ulong parent_tidptr, target_ulong newtls, |
6099 | abi_ulong child_tidptr) | |
1b6b029e | 6100 | { |
0429a971 | 6101 | CPUState *cpu = ENV_GET_CPU(env); |
1b6b029e | 6102 | int ret; |
5cd4393b | 6103 | TaskState *ts; |
0429a971 | 6104 | CPUState *new_cpu; |
9349b4f9 | 6105 | CPUArchState *new_env; |
d865bab5 | 6106 | sigset_t sigmask; |
3b46e624 | 6107 | |
5ea2fc84 PM |
6108 | flags &= ~CLONE_IGNORED_FLAGS; |
6109 | ||
436d124b AZ |
6110 | /* Emulate vfork() with fork() */ |
6111 | if (flags & CLONE_VFORK) | |
6112 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
6113 | ||
1b6b029e | 6114 | if (flags & CLONE_VM) { |
0429a971 | 6115 | TaskState *parent_ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
6116 | new_thread_info info; |
6117 | pthread_attr_t attr; | |
24cb36a6 | 6118 | |
5ea2fc84 PM |
6119 | if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) || |
6120 | (flags & CLONE_INVALID_THREAD_FLAGS)) { | |
6121 | return -TARGET_EINVAL; | |
6122 | } | |
6123 | ||
c78d65e8 | 6124 | ts = g_new0(TaskState, 1); |
624f7979 | 6125 | init_task_state(ts); |
1b6b029e | 6126 | /* we create a new CPU instance. */ |
c5be9f08 | 6127 | new_env = cpu_copy(env); |
6e68e076 PB |
6128 | /* Init regs that differ from the parent. */ |
6129 | cpu_clone_regs(new_env, newsp); | |
0429a971 AF |
6130 | new_cpu = ENV_GET_CPU(new_env); |
6131 | new_cpu->opaque = ts; | |
edf8e2af MW |
6132 | ts->bprm = parent_ts->bprm; |
6133 | ts->info = parent_ts->info; | |
3d3efba0 | 6134 | ts->signal_mask = parent_ts->signal_mask; |
d865bab5 | 6135 | |
7cfbd386 | 6136 | if (flags & CLONE_CHILD_CLEARTID) { |
c2764719 PB |
6137 | ts->child_tidptr = child_tidptr; |
6138 | } | |
6139 | ||
7cfbd386 | 6140 | if (flags & CLONE_SETTLS) { |
d865bab5 | 6141 | cpu_set_tls (new_env, newtls); |
7cfbd386 | 6142 | } |
d865bab5 PB |
6143 | |
6144 | /* Grab a mutex so that thread setup appears atomic. */ | |
6145 | pthread_mutex_lock(&clone_lock); | |
6146 | ||
6147 | memset(&info, 0, sizeof(info)); | |
6148 | pthread_mutex_init(&info.mutex, NULL); | |
6149 | pthread_mutex_lock(&info.mutex); | |
6150 | pthread_cond_init(&info.cond, NULL); | |
6151 | info.env = new_env; | |
7cfbd386 | 6152 | if (flags & CLONE_CHILD_SETTID) { |
d865bab5 | 6153 | info.child_tidptr = child_tidptr; |
7cfbd386 PM |
6154 | } |
6155 | if (flags & CLONE_PARENT_SETTID) { | |
d865bab5 | 6156 | info.parent_tidptr = parent_tidptr; |
7cfbd386 | 6157 | } |
d865bab5 PB |
6158 | |
6159 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
6160 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
6161 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
6162 | /* It is not safe to deliver signals until the child has finished |
6163 | initializing, so temporarily block all signals. */ | |
6164 | sigfillset(&sigmask); | |
6165 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
6166 | ||
b67cb68b AB |
6167 | /* If this is our first additional thread, we need to ensure we |
6168 | * generate code for parallel execution and flush old translations. | |
6169 | */ | |
6170 | if (!parallel_cpus) { | |
6171 | parallel_cpus = true; | |
6172 | tb_flush(cpu); | |
6173 | } | |
6174 | ||
d865bab5 | 6175 | ret = pthread_create(&info.thread, &attr, clone_func, &info); |
c2764719 | 6176 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
6177 | |
6178 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
6179 | pthread_attr_destroy(&attr); | |
6180 | if (ret == 0) { | |
6181 | /* Wait for the child to initialize. */ | |
6182 | pthread_cond_wait(&info.cond, &info.mutex); | |
6183 | ret = info.tid; | |
d865bab5 PB |
6184 | } else { |
6185 | ret = -1; | |
6186 | } | |
6187 | pthread_mutex_unlock(&info.mutex); | |
6188 | pthread_cond_destroy(&info.cond); | |
6189 | pthread_mutex_destroy(&info.mutex); | |
6190 | pthread_mutex_unlock(&clone_lock); | |
1b6b029e FB |
6191 | } else { |
6192 | /* if no CLONE_VM, we consider it is a fork */ | |
5ea2fc84 PM |
6193 | if (flags & CLONE_INVALID_FORK_FLAGS) { |
6194 | return -TARGET_EINVAL; | |
6195 | } | |
6196 | ||
6197 | /* We can't support custom termination signals */ | |
6198 | if ((flags & CSIGNAL) != TARGET_SIGCHLD) { | |
93b4eff8 TB |
6199 | return -TARGET_EINVAL; |
6200 | } | |
7d92d34e TB |
6201 | |
6202 | if (block_signals()) { | |
6203 | return -TARGET_ERESTARTSYS; | |
6204 | } | |
6205 | ||
d865bab5 | 6206 | fork_start(); |
1b6b029e | 6207 | ret = fork(); |
d865bab5 | 6208 | if (ret == 0) { |
2b1319c8 | 6209 | /* Child Process. */ |
a59629fc | 6210 | rcu_after_fork(); |
d865bab5 PB |
6211 | cpu_clone_regs(env, newsp); |
6212 | fork_end(1); | |
2b1319c8 AJ |
6213 | /* There is a race condition here. The parent process could |
6214 | theoretically read the TID in the child process before the child | |
6215 | tid is set. This would require using either ptrace | |
6216 | (not implemented) or having *_tidptr to point at a shared memory | |
6217 | mapping. We can't repeat the spinlock hack used above because | |
6218 | the child process gets its own copy of the lock. */ | |
d865bab5 PB |
6219 | if (flags & CLONE_CHILD_SETTID) |
6220 | put_user_u32(gettid(), child_tidptr); | |
6221 | if (flags & CLONE_PARENT_SETTID) | |
6222 | put_user_u32(gettid(), parent_tidptr); | |
0429a971 | 6223 | ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
6224 | if (flags & CLONE_SETTLS) |
6225 | cpu_set_tls (env, newtls); | |
c2764719 PB |
6226 | if (flags & CLONE_CHILD_CLEARTID) |
6227 | ts->child_tidptr = child_tidptr; | |
d865bab5 PB |
6228 | } else { |
6229 | fork_end(0); | |
6230 | } | |
1b6b029e FB |
6231 | } |
6232 | return ret; | |
6233 | } | |
6234 | ||
5f106811 APR |
6235 | /* warning : doesn't handle linux specific flags... */ |
6236 | static int target_to_host_fcntl_cmd(int cmd) | |
6237 | { | |
6238 | switch(cmd) { | |
6239 | case TARGET_F_DUPFD: | |
6240 | case TARGET_F_GETFD: | |
6241 | case TARGET_F_SETFD: | |
6242 | case TARGET_F_GETFL: | |
6243 | case TARGET_F_SETFL: | |
6244 | return cmd; | |
6245 | case TARGET_F_GETLK: | |
213d3e9e PM |
6246 | return F_GETLK64; |
6247 | case TARGET_F_SETLK: | |
6248 | return F_SETLK64; | |
6249 | case TARGET_F_SETLKW: | |
6250 | return F_SETLKW64; | |
5f106811 APR |
6251 | case TARGET_F_GETOWN: |
6252 | return F_GETOWN; | |
6253 | case TARGET_F_SETOWN: | |
6254 | return F_SETOWN; | |
6255 | case TARGET_F_GETSIG: | |
6256 | return F_GETSIG; | |
6257 | case TARGET_F_SETSIG: | |
6258 | return F_SETSIG; | |
6259 | #if TARGET_ABI_BITS == 32 | |
6260 | case TARGET_F_GETLK64: | |
6261 | return F_GETLK64; | |
6262 | case TARGET_F_SETLK64: | |
6263 | return F_SETLK64; | |
6264 | case TARGET_F_SETLKW64: | |
6265 | return F_SETLKW64; | |
6266 | #endif | |
7e22e546 UH |
6267 | case TARGET_F_SETLEASE: |
6268 | return F_SETLEASE; | |
6269 | case TARGET_F_GETLEASE: | |
6270 | return F_GETLEASE; | |
fbd5de9b | 6271 | #ifdef F_DUPFD_CLOEXEC |
7e22e546 UH |
6272 | case TARGET_F_DUPFD_CLOEXEC: |
6273 | return F_DUPFD_CLOEXEC; | |
fbd5de9b | 6274 | #endif |
7e22e546 UH |
6275 | case TARGET_F_NOTIFY: |
6276 | return F_NOTIFY; | |
8d5d3004 AS |
6277 | #ifdef F_GETOWN_EX |
6278 | case TARGET_F_GETOWN_EX: | |
6279 | return F_GETOWN_EX; | |
6280 | #endif | |
6281 | #ifdef F_SETOWN_EX | |
6282 | case TARGET_F_SETOWN_EX: | |
6283 | return F_SETOWN_EX; | |
6284 | #endif | |
ddf31aa8 | 6285 | #ifdef F_SETPIPE_SZ |
7e3b92ec PM |
6286 | case TARGET_F_SETPIPE_SZ: |
6287 | return F_SETPIPE_SZ; | |
6288 | case TARGET_F_GETPIPE_SZ: | |
6289 | return F_GETPIPE_SZ; | |
ddf31aa8 | 6290 | #endif |
5f106811 APR |
6291 | default: |
6292 | return -TARGET_EINVAL; | |
6293 | } | |
6294 | return -TARGET_EINVAL; | |
6295 | } | |
6296 | ||
2ba7f730 LV |
6297 | #define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a } |
6298 | static const bitmask_transtbl flock_tbl[] = { | |
6299 | TRANSTBL_CONVERT(F_RDLCK), | |
6300 | TRANSTBL_CONVERT(F_WRLCK), | |
6301 | TRANSTBL_CONVERT(F_UNLCK), | |
6302 | TRANSTBL_CONVERT(F_EXLCK), | |
6303 | TRANSTBL_CONVERT(F_SHLCK), | |
6304 | { 0, 0, 0, 0 } | |
6305 | }; | |
6306 | ||
213d3e9e PM |
6307 | static inline abi_long copy_from_user_flock(struct flock64 *fl, |
6308 | abi_ulong target_flock_addr) | |
7775e9ec | 6309 | { |
53a5960a | 6310 | struct target_flock *target_fl; |
213d3e9e PM |
6311 | short l_type; |
6312 | ||
6313 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6314 | return -TARGET_EFAULT; | |
6315 | } | |
6316 | ||
6317 | __get_user(l_type, &target_fl->l_type); | |
6318 | fl->l_type = target_to_host_bitmask(l_type, flock_tbl); | |
6319 | __get_user(fl->l_whence, &target_fl->l_whence); | |
6320 | __get_user(fl->l_start, &target_fl->l_start); | |
6321 | __get_user(fl->l_len, &target_fl->l_len); | |
6322 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6323 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6324 | return 0; | |
6325 | } | |
6326 | ||
6327 | static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr, | |
6328 | const struct flock64 *fl) | |
6329 | { | |
6330 | struct target_flock *target_fl; | |
6331 | short l_type; | |
6332 | ||
6333 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6334 | return -TARGET_EFAULT; | |
6335 | } | |
6336 | ||
6337 | l_type = host_to_target_bitmask(fl->l_type, flock_tbl); | |
6338 | __put_user(l_type, &target_fl->l_type); | |
6339 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6340 | __put_user(fl->l_start, &target_fl->l_start); | |
6341 | __put_user(fl->l_len, &target_fl->l_len); | |
6342 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6343 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6344 | return 0; | |
6345 | } | |
6346 | ||
6347 | typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr); | |
6348 | typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl); | |
6349 | ||
6350 | #if defined(TARGET_ARM) && TARGET_ABI_BITS == 32 | |
6351 | static inline abi_long copy_from_user_eabi_flock64(struct flock64 *fl, | |
6352 | abi_ulong target_flock_addr) | |
6353 | { | |
6354 | struct target_eabi_flock64 *target_fl; | |
6355 | short l_type; | |
6356 | ||
6357 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6358 | return -TARGET_EFAULT; | |
6359 | } | |
6360 | ||
6361 | __get_user(l_type, &target_fl->l_type); | |
6362 | fl->l_type = target_to_host_bitmask(l_type, flock_tbl); | |
6363 | __get_user(fl->l_whence, &target_fl->l_whence); | |
6364 | __get_user(fl->l_start, &target_fl->l_start); | |
6365 | __get_user(fl->l_len, &target_fl->l_len); | |
6366 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6367 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6368 | return 0; | |
6369 | } | |
6370 | ||
6371 | static inline abi_long copy_to_user_eabi_flock64(abi_ulong target_flock_addr, | |
6372 | const struct flock64 *fl) | |
6373 | { | |
6374 | struct target_eabi_flock64 *target_fl; | |
6375 | short l_type; | |
6376 | ||
6377 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6378 | return -TARGET_EFAULT; | |
6379 | } | |
6380 | ||
6381 | l_type = host_to_target_bitmask(fl->l_type, flock_tbl); | |
6382 | __put_user(l_type, &target_fl->l_type); | |
6383 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6384 | __put_user(fl->l_start, &target_fl->l_start); | |
6385 | __put_user(fl->l_len, &target_fl->l_len); | |
6386 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6387 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6388 | return 0; | |
6389 | } | |
6390 | #endif | |
6391 | ||
6392 | static inline abi_long copy_from_user_flock64(struct flock64 *fl, | |
6393 | abi_ulong target_flock_addr) | |
6394 | { | |
6395 | struct target_flock64 *target_fl; | |
6396 | short l_type; | |
6397 | ||
6398 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6399 | return -TARGET_EFAULT; | |
6400 | } | |
6401 | ||
6402 | __get_user(l_type, &target_fl->l_type); | |
6403 | fl->l_type = target_to_host_bitmask(l_type, flock_tbl); | |
6404 | __get_user(fl->l_whence, &target_fl->l_whence); | |
6405 | __get_user(fl->l_start, &target_fl->l_start); | |
6406 | __get_user(fl->l_len, &target_fl->l_len); | |
6407 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6408 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6409 | return 0; | |
6410 | } | |
6411 | ||
6412 | static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr, | |
6413 | const struct flock64 *fl) | |
6414 | { | |
6415 | struct target_flock64 *target_fl; | |
6416 | short l_type; | |
6417 | ||
6418 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6419 | return -TARGET_EFAULT; | |
6420 | } | |
6421 | ||
6422 | l_type = host_to_target_bitmask(fl->l_type, flock_tbl); | |
6423 | __put_user(l_type, &target_fl->l_type); | |
6424 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6425 | __put_user(fl->l_start, &target_fl->l_start); | |
6426 | __put_user(fl->l_len, &target_fl->l_len); | |
6427 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6428 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6429 | return 0; | |
6430 | } | |
6431 | ||
6432 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) | |
6433 | { | |
43f238d7 | 6434 | struct flock64 fl64; |
8d5d3004 AS |
6435 | #ifdef F_GETOWN_EX |
6436 | struct f_owner_ex fox; | |
6437 | struct target_f_owner_ex *target_fox; | |
6438 | #endif | |
992f48a0 | 6439 | abi_long ret; |
5f106811 APR |
6440 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
6441 | ||
6442 | if (host_cmd == -TARGET_EINVAL) | |
6443 | return host_cmd; | |
53a5960a | 6444 | |
7775e9ec FB |
6445 | switch(cmd) { |
6446 | case TARGET_F_GETLK: | |
213d3e9e PM |
6447 | ret = copy_from_user_flock(&fl64, arg); |
6448 | if (ret) { | |
6449 | return ret; | |
6450 | } | |
435da5e7 | 6451 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 6452 | if (ret == 0) { |
213d3e9e | 6453 | ret = copy_to_user_flock(arg, &fl64); |
7775e9ec FB |
6454 | } |
6455 | break; | |
3b46e624 | 6456 | |
7775e9ec FB |
6457 | case TARGET_F_SETLK: |
6458 | case TARGET_F_SETLKW: | |
213d3e9e PM |
6459 | ret = copy_from_user_flock(&fl64, arg); |
6460 | if (ret) { | |
6461 | return ret; | |
6462 | } | |
435da5e7 | 6463 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 6464 | break; |
3b46e624 | 6465 | |
7775e9ec | 6466 | case TARGET_F_GETLK64: |
213d3e9e PM |
6467 | ret = copy_from_user_flock64(&fl64, arg); |
6468 | if (ret) { | |
6469 | return ret; | |
6470 | } | |
435da5e7 | 6471 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 6472 | if (ret == 0) { |
213d3e9e | 6473 | ret = copy_to_user_flock64(arg, &fl64); |
43f238d7 | 6474 | } |
9ee1fa2c | 6475 | break; |
7775e9ec FB |
6476 | case TARGET_F_SETLK64: |
6477 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
6478 | ret = copy_from_user_flock64(&fl64, arg); |
6479 | if (ret) { | |
6480 | return ret; | |
6481 | } | |
435da5e7 | 6482 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
6483 | break; |
6484 | ||
5f106811 | 6485 | case TARGET_F_GETFL: |
435da5e7 | 6486 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
9ee1fa2c FB |
6487 | if (ret >= 0) { |
6488 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
6489 | } | |
ffa65c3b FB |
6490 | break; |
6491 | ||
5f106811 | 6492 | case TARGET_F_SETFL: |
435da5e7 PM |
6493 | ret = get_errno(safe_fcntl(fd, host_cmd, |
6494 | target_to_host_bitmask(arg, | |
6495 | fcntl_flags_tbl))); | |
5f106811 APR |
6496 | break; |
6497 | ||
8d5d3004 AS |
6498 | #ifdef F_GETOWN_EX |
6499 | case TARGET_F_GETOWN_EX: | |
435da5e7 | 6500 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
6501 | if (ret >= 0) { |
6502 | if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0)) | |
6503 | return -TARGET_EFAULT; | |
6504 | target_fox->type = tswap32(fox.type); | |
6505 | target_fox->pid = tswap32(fox.pid); | |
6506 | unlock_user_struct(target_fox, arg, 1); | |
6507 | } | |
6508 | break; | |
6509 | #endif | |
6510 | ||
6511 | #ifdef F_SETOWN_EX | |
6512 | case TARGET_F_SETOWN_EX: | |
6513 | if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1)) | |
6514 | return -TARGET_EFAULT; | |
6515 | fox.type = tswap32(target_fox->type); | |
6516 | fox.pid = tswap32(target_fox->pid); | |
6517 | unlock_user_struct(target_fox, arg, 0); | |
435da5e7 | 6518 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
6519 | break; |
6520 | #endif | |
6521 | ||
5f106811 APR |
6522 | case TARGET_F_SETOWN: |
6523 | case TARGET_F_GETOWN: | |
6524 | case TARGET_F_SETSIG: | |
6525 | case TARGET_F_GETSIG: | |
7e22e546 UH |
6526 | case TARGET_F_SETLEASE: |
6527 | case TARGET_F_GETLEASE: | |
7e3b92ec PM |
6528 | case TARGET_F_SETPIPE_SZ: |
6529 | case TARGET_F_GETPIPE_SZ: | |
435da5e7 | 6530 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
6531 | break; |
6532 | ||
7775e9ec | 6533 | default: |
435da5e7 | 6534 | ret = get_errno(safe_fcntl(fd, cmd, arg)); |
7775e9ec FB |
6535 | break; |
6536 | } | |
6537 | return ret; | |
6538 | } | |
6539 | ||
67867308 | 6540 | #ifdef USE_UID16 |
7775e9ec | 6541 | |
67867308 FB |
6542 | static inline int high2lowuid(int uid) |
6543 | { | |
6544 | if (uid > 65535) | |
6545 | return 65534; | |
6546 | else | |
6547 | return uid; | |
6548 | } | |
6549 | ||
6550 | static inline int high2lowgid(int gid) | |
6551 | { | |
6552 | if (gid > 65535) | |
6553 | return 65534; | |
6554 | else | |
6555 | return gid; | |
6556 | } | |
6557 | ||
6558 | static inline int low2highuid(int uid) | |
6559 | { | |
6560 | if ((int16_t)uid == -1) | |
6561 | return -1; | |
6562 | else | |
6563 | return uid; | |
6564 | } | |
6565 | ||
6566 | static inline int low2highgid(int gid) | |
6567 | { | |
6568 | if ((int16_t)gid == -1) | |
6569 | return -1; | |
6570 | else | |
6571 | return gid; | |
6572 | } | |
0c866a7e RV |
6573 | static inline int tswapid(int id) |
6574 | { | |
6575 | return tswap16(id); | |
6576 | } | |
76ca310a PM |
6577 | |
6578 | #define put_user_id(x, gaddr) put_user_u16(x, gaddr) | |
6579 | ||
0c866a7e RV |
6580 | #else /* !USE_UID16 */ |
6581 | static inline int high2lowuid(int uid) | |
6582 | { | |
6583 | return uid; | |
6584 | } | |
6585 | static inline int high2lowgid(int gid) | |
6586 | { | |
6587 | return gid; | |
6588 | } | |
6589 | static inline int low2highuid(int uid) | |
6590 | { | |
6591 | return uid; | |
6592 | } | |
6593 | static inline int low2highgid(int gid) | |
6594 | { | |
6595 | return gid; | |
6596 | } | |
6597 | static inline int tswapid(int id) | |
6598 | { | |
6599 | return tswap32(id); | |
6600 | } | |
76ca310a PM |
6601 | |
6602 | #define put_user_id(x, gaddr) put_user_u32(x, gaddr) | |
6603 | ||
67867308 | 6604 | #endif /* USE_UID16 */ |
1b6b029e | 6605 | |
fd6f7798 PM |
6606 | /* We must do direct syscalls for setting UID/GID, because we want to |
6607 | * implement the Linux system call semantics of "change only for this thread", | |
6608 | * not the libc/POSIX semantics of "change for all threads in process". | |
6609 | * (See http://ewontfix.com/17/ for more details.) | |
6610 | * We use the 32-bit version of the syscalls if present; if it is not | |
6611 | * then either the host architecture supports 32-bit UIDs natively with | |
6612 | * the standard syscall, or the 16-bit UID is the best we can do. | |
6613 | */ | |
6614 | #ifdef __NR_setuid32 | |
6615 | #define __NR_sys_setuid __NR_setuid32 | |
6616 | #else | |
6617 | #define __NR_sys_setuid __NR_setuid | |
6618 | #endif | |
6619 | #ifdef __NR_setgid32 | |
6620 | #define __NR_sys_setgid __NR_setgid32 | |
6621 | #else | |
6622 | #define __NR_sys_setgid __NR_setgid | |
6623 | #endif | |
6624 | #ifdef __NR_setresuid32 | |
6625 | #define __NR_sys_setresuid __NR_setresuid32 | |
6626 | #else | |
6627 | #define __NR_sys_setresuid __NR_setresuid | |
6628 | #endif | |
6629 | #ifdef __NR_setresgid32 | |
6630 | #define __NR_sys_setresgid __NR_setresgid32 | |
6631 | #else | |
6632 | #define __NR_sys_setresgid __NR_setresgid | |
6633 | #endif | |
6634 | ||
6635 | _syscall1(int, sys_setuid, uid_t, uid) | |
6636 | _syscall1(int, sys_setgid, gid_t, gid) | |
6637 | _syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) | |
6638 | _syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid) | |
6639 | ||
31e31b8a FB |
6640 | void syscall_init(void) |
6641 | { | |
2ab83ea7 FB |
6642 | IOCTLEntry *ie; |
6643 | const argtype *arg_type; | |
6644 | int size; | |
b92c47c1 | 6645 | int i; |
2ab83ea7 | 6646 | |
8be656b8 AG |
6647 | thunk_init(STRUCT_MAX); |
6648 | ||
001faf32 | 6649 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 6650 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
6651 | #include "syscall_types.h" |
6652 | #undef STRUCT | |
6653 | #undef STRUCT_SPECIAL | |
2ab83ea7 | 6654 | |
dd6e957a PM |
6655 | /* Build target_to_host_errno_table[] table from |
6656 | * host_to_target_errno_table[]. */ | |
6657 | for (i = 0; i < ERRNO_TABLE_SIZE; i++) { | |
6658 | target_to_host_errno_table[host_to_target_errno_table[i]] = i; | |
6659 | } | |
6660 | ||
2ab83ea7 FB |
6661 | /* we patch the ioctl size if necessary. We rely on the fact that |
6662 | no ioctl has all the bits at '1' in the size field */ | |
6663 | ie = ioctl_entries; | |
6664 | while (ie->target_cmd != 0) { | |
6665 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
6666 | TARGET_IOC_SIZEMASK) { | |
6667 | arg_type = ie->arg_type; | |
6668 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 6669 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
6670 | ie->target_cmd); |
6671 | exit(1); | |
6672 | } | |
6673 | arg_type++; | |
6674 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 6675 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
6676 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
6677 | (size << TARGET_IOC_SIZESHIFT); | |
6678 | } | |
b92c47c1 | 6679 | |
2ab83ea7 | 6680 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
6681 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
6682 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
6683 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
6684 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
6685 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
6686 | } |
6687 | #endif | |
6688 | ie++; | |
6689 | } | |
31e31b8a | 6690 | } |
c573ff67 | 6691 | |
992f48a0 | 6692 | #if TARGET_ABI_BITS == 32 |
ce4defa0 PB |
6693 | static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
6694 | { | |
af325d36 | 6695 | #ifdef TARGET_WORDS_BIGENDIAN |
ce4defa0 PB |
6696 | return ((uint64_t)word0 << 32) | word1; |
6697 | #else | |
6698 | return ((uint64_t)word1 << 32) | word0; | |
6699 | #endif | |
6700 | } | |
992f48a0 | 6701 | #else /* TARGET_ABI_BITS == 32 */ |
32407103 JM |
6702 | static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
6703 | { | |
6704 | return word0; | |
6705 | } | |
992f48a0 | 6706 | #endif /* TARGET_ABI_BITS != 32 */ |
ce4defa0 PB |
6707 | |
6708 | #ifdef TARGET_NR_truncate64 | |
992f48a0 BS |
6709 | static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
6710 | abi_long arg2, | |
6711 | abi_long arg3, | |
6712 | abi_long arg4) | |
ce4defa0 | 6713 | { |
48e515d4 | 6714 | if (regpairs_aligned(cpu_env)) { |
ce4defa0 PB |
6715 | arg2 = arg3; |
6716 | arg3 = arg4; | |
48e515d4 | 6717 | } |
ce4defa0 PB |
6718 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
6719 | } | |
6720 | #endif | |
6721 | ||
6722 | #ifdef TARGET_NR_ftruncate64 | |
992f48a0 BS |
6723 | static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
6724 | abi_long arg2, | |
6725 | abi_long arg3, | |
6726 | abi_long arg4) | |
ce4defa0 | 6727 | { |
48e515d4 | 6728 | if (regpairs_aligned(cpu_env)) { |
ce4defa0 PB |
6729 | arg2 = arg3; |
6730 | arg3 = arg4; | |
48e515d4 | 6731 | } |
ce4defa0 PB |
6732 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
6733 | } | |
6734 | #endif | |
6735 | ||
579a97f7 FB |
6736 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
6737 | abi_ulong target_addr) | |
53a5960a PB |
6738 | { |
6739 | struct target_timespec *target_ts; | |
6740 | ||
579a97f7 FB |
6741 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
6742 | return -TARGET_EFAULT; | |
c7e35da3 PM |
6743 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); |
6744 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
53a5960a | 6745 | unlock_user_struct(target_ts, target_addr, 0); |
b255bfa8 | 6746 | return 0; |
53a5960a PB |
6747 | } |
6748 | ||
579a97f7 FB |
6749 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
6750 | struct timespec *host_ts) | |
53a5960a PB |
6751 | { |
6752 | struct target_timespec *target_ts; | |
6753 | ||
579a97f7 FB |
6754 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
6755 | return -TARGET_EFAULT; | |
c7e35da3 PM |
6756 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); |
6757 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
53a5960a | 6758 | unlock_user_struct(target_ts, target_addr, 1); |
b255bfa8 | 6759 | return 0; |
53a5960a PB |
6760 | } |
6761 | ||
f4f1e10a ECL |
6762 | static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec, |
6763 | abi_ulong target_addr) | |
6764 | { | |
6765 | struct target_itimerspec *target_itspec; | |
6766 | ||
6767 | if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) { | |
6768 | return -TARGET_EFAULT; | |
6769 | } | |
6770 | ||
6771 | host_itspec->it_interval.tv_sec = | |
6772 | tswapal(target_itspec->it_interval.tv_sec); | |
6773 | host_itspec->it_interval.tv_nsec = | |
6774 | tswapal(target_itspec->it_interval.tv_nsec); | |
6775 | host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec); | |
6776 | host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec); | |
6777 | ||
6778 | unlock_user_struct(target_itspec, target_addr, 1); | |
6779 | return 0; | |
6780 | } | |
6781 | ||
6782 | static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, | |
6783 | struct itimerspec *host_its) | |
6784 | { | |
6785 | struct target_itimerspec *target_itspec; | |
6786 | ||
6787 | if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) { | |
6788 | return -TARGET_EFAULT; | |
6789 | } | |
6790 | ||
6791 | target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec); | |
6792 | target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec); | |
6793 | ||
6794 | target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec); | |
6795 | target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec); | |
6796 | ||
6797 | unlock_user_struct(target_itspec, target_addr, 0); | |
6798 | return 0; | |
6799 | } | |
6800 | ||
19f59bce AM |
6801 | static inline abi_long target_to_host_timex(struct timex *host_tx, |
6802 | abi_long target_addr) | |
6803 | { | |
6804 | struct target_timex *target_tx; | |
6805 | ||
6806 | if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) { | |
6807 | return -TARGET_EFAULT; | |
6808 | } | |
6809 | ||
6810 | __get_user(host_tx->modes, &target_tx->modes); | |
6811 | __get_user(host_tx->offset, &target_tx->offset); | |
6812 | __get_user(host_tx->freq, &target_tx->freq); | |
6813 | __get_user(host_tx->maxerror, &target_tx->maxerror); | |
6814 | __get_user(host_tx->esterror, &target_tx->esterror); | |
6815 | __get_user(host_tx->status, &target_tx->status); | |
6816 | __get_user(host_tx->constant, &target_tx->constant); | |
6817 | __get_user(host_tx->precision, &target_tx->precision); | |
6818 | __get_user(host_tx->tolerance, &target_tx->tolerance); | |
6819 | __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
6820 | __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
6821 | __get_user(host_tx->tick, &target_tx->tick); | |
6822 | __get_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
6823 | __get_user(host_tx->jitter, &target_tx->jitter); | |
6824 | __get_user(host_tx->shift, &target_tx->shift); | |
6825 | __get_user(host_tx->stabil, &target_tx->stabil); | |
6826 | __get_user(host_tx->jitcnt, &target_tx->jitcnt); | |
6827 | __get_user(host_tx->calcnt, &target_tx->calcnt); | |
6828 | __get_user(host_tx->errcnt, &target_tx->errcnt); | |
6829 | __get_user(host_tx->stbcnt, &target_tx->stbcnt); | |
6830 | __get_user(host_tx->tai, &target_tx->tai); | |
6831 | ||
6832 | unlock_user_struct(target_tx, target_addr, 0); | |
6833 | return 0; | |
6834 | } | |
6835 | ||
6836 | static inline abi_long host_to_target_timex(abi_long target_addr, | |
6837 | struct timex *host_tx) | |
6838 | { | |
6839 | struct target_timex *target_tx; | |
6840 | ||
6841 | if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) { | |
6842 | return -TARGET_EFAULT; | |
6843 | } | |
6844 | ||
6845 | __put_user(host_tx->modes, &target_tx->modes); | |
6846 | __put_user(host_tx->offset, &target_tx->offset); | |
6847 | __put_user(host_tx->freq, &target_tx->freq); | |
6848 | __put_user(host_tx->maxerror, &target_tx->maxerror); | |
6849 | __put_user(host_tx->esterror, &target_tx->esterror); | |
6850 | __put_user(host_tx->status, &target_tx->status); | |
6851 | __put_user(host_tx->constant, &target_tx->constant); | |
6852 | __put_user(host_tx->precision, &target_tx->precision); | |
6853 | __put_user(host_tx->tolerance, &target_tx->tolerance); | |
6854 | __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
6855 | __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
6856 | __put_user(host_tx->tick, &target_tx->tick); | |
6857 | __put_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
6858 | __put_user(host_tx->jitter, &target_tx->jitter); | |
6859 | __put_user(host_tx->shift, &target_tx->shift); | |
6860 | __put_user(host_tx->stabil, &target_tx->stabil); | |
6861 | __put_user(host_tx->jitcnt, &target_tx->jitcnt); | |
6862 | __put_user(host_tx->calcnt, &target_tx->calcnt); | |
6863 | __put_user(host_tx->errcnt, &target_tx->errcnt); | |
6864 | __put_user(host_tx->stbcnt, &target_tx->stbcnt); | |
6865 | __put_user(host_tx->tai, &target_tx->tai); | |
6866 | ||
6867 | unlock_user_struct(target_tx, target_addr, 1); | |
6868 | return 0; | |
6869 | } | |
6870 | ||
6871 | ||
c065976f PM |
6872 | static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp, |
6873 | abi_ulong target_addr) | |
6874 | { | |
6875 | struct target_sigevent *target_sevp; | |
6876 | ||
6877 | if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) { | |
6878 | return -TARGET_EFAULT; | |
6879 | } | |
6880 | ||
6881 | /* This union is awkward on 64 bit systems because it has a 32 bit | |
6882 | * integer and a pointer in it; we follow the conversion approach | |
6883 | * used for handling sigval types in signal.c so the guest should get | |
6884 | * the correct value back even if we did a 64 bit byteswap and it's | |
6885 | * using the 32 bit integer. | |
6886 | */ | |
6887 | host_sevp->sigev_value.sival_ptr = | |
6888 | (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr); | |
6889 | host_sevp->sigev_signo = | |
6890 | target_to_host_signal(tswap32(target_sevp->sigev_signo)); | |
6891 | host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify); | |
6892 | host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid); | |
6893 | ||
6894 | unlock_user_struct(target_sevp, target_addr, 1); | |
6895 | return 0; | |
6896 | } | |
6897 | ||
6f6a4032 TM |
6898 | #if defined(TARGET_NR_mlockall) |
6899 | static inline int target_to_host_mlockall_arg(int arg) | |
6900 | { | |
6901 | int result = 0; | |
6902 | ||
6903 | if (arg & TARGET_MLOCKALL_MCL_CURRENT) { | |
6904 | result |= MCL_CURRENT; | |
6905 | } | |
6906 | if (arg & TARGET_MLOCKALL_MCL_FUTURE) { | |
6907 | result |= MCL_FUTURE; | |
6908 | } | |
6909 | return result; | |
6910 | } | |
6911 | #endif | |
6912 | ||
6a24a778 AZ |
6913 | static inline abi_long host_to_target_stat64(void *cpu_env, |
6914 | abi_ulong target_addr, | |
6915 | struct stat *host_st) | |
6916 | { | |
09701199 | 6917 | #if defined(TARGET_ARM) && defined(TARGET_ABI32) |
6a24a778 AZ |
6918 | if (((CPUARMState *)cpu_env)->eabi) { |
6919 | struct target_eabi_stat64 *target_st; | |
6920 | ||
6921 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
6922 | return -TARGET_EFAULT; | |
6923 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
6924 | __put_user(host_st->st_dev, &target_st->st_dev); | |
6925 | __put_user(host_st->st_ino, &target_st->st_ino); | |
6926 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
6927 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
6928 | #endif | |
6929 | __put_user(host_st->st_mode, &target_st->st_mode); | |
6930 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
6931 | __put_user(host_st->st_uid, &target_st->st_uid); | |
6932 | __put_user(host_st->st_gid, &target_st->st_gid); | |
6933 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
6934 | __put_user(host_st->st_size, &target_st->st_size); | |
6935 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
6936 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
6937 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
6938 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
6939 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
6940 | unlock_user_struct(target_st, target_addr, 1); | |
6941 | } else | |
6942 | #endif | |
6943 | { | |
20d155bc | 6944 | #if defined(TARGET_HAS_STRUCT_STAT64) |
6a24a778 | 6945 | struct target_stat64 *target_st; |
20d155bc SW |
6946 | #else |
6947 | struct target_stat *target_st; | |
9d33b76b | 6948 | #endif |
6a24a778 AZ |
6949 | |
6950 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
6951 | return -TARGET_EFAULT; | |
9d33b76b | 6952 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
6953 | __put_user(host_st->st_dev, &target_st->st_dev); |
6954 | __put_user(host_st->st_ino, &target_st->st_ino); | |
6955 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
6956 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
6957 | #endif | |
6958 | __put_user(host_st->st_mode, &target_st->st_mode); | |
6959 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
6960 | __put_user(host_st->st_uid, &target_st->st_uid); | |
6961 | __put_user(host_st->st_gid, &target_st->st_gid); | |
6962 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
6963 | /* XXX: better use of kernel struct */ | |
6964 | __put_user(host_st->st_size, &target_st->st_size); | |
6965 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
6966 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
6967 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
6968 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
6969 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
6970 | unlock_user_struct(target_st, target_addr, 1); | |
6971 | } | |
6972 | ||
6973 | return 0; | |
6974 | } | |
6a24a778 | 6975 | |
bd0c5661 PB |
6976 | /* ??? Using host futex calls even when target atomic operations |
6977 | are not really atomic probably breaks things. However implementing | |
6978 | futexes locally would make futexes shared between multiple processes | |
6979 | tricky. However they're probably useless because guest atomic | |
6980 | operations won't work either. */ | |
8fcd3692 BS |
6981 | static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
6982 | target_ulong uaddr2, int val3) | |
bd0c5661 PB |
6983 | { |
6984 | struct timespec ts, *pts; | |
a16aae0c | 6985 | int base_op; |
bd0c5661 PB |
6986 | |
6987 | /* ??? We assume FUTEX_* constants are the same on both host | |
6988 | and target. */ | |
a29ccd63 | 6989 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 6990 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 6991 | #else |
a16aae0c | 6992 | base_op = op; |
a29ccd63 | 6993 | #endif |
a16aae0c | 6994 | switch (base_op) { |
bd0c5661 | 6995 | case FUTEX_WAIT: |
cce246e0 | 6996 | case FUTEX_WAIT_BITSET: |
bd0c5661 PB |
6997 | if (timeout) { |
6998 | pts = &ts; | |
6999 | target_to_host_timespec(pts, timeout); | |
7000 | } else { | |
7001 | pts = NULL; | |
7002 | } | |
d509eeb1 | 7003 | return get_errno(safe_futex(g2h(uaddr), op, tswap32(val), |
cce246e0 | 7004 | pts, NULL, val3)); |
bd0c5661 | 7005 | case FUTEX_WAKE: |
d509eeb1 | 7006 | return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 7007 | case FUTEX_FD: |
d509eeb1 | 7008 | return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 7009 | case FUTEX_REQUEUE: |
bd0c5661 | 7010 | case FUTEX_CMP_REQUEUE: |
a16aae0c NF |
7011 | case FUTEX_WAKE_OP: |
7012 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
7013 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
7014 | But the prototype takes a `struct timespec *'; insert casts | |
7015 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
7016 | since it's not compared to guest memory. */ | |
7017 | pts = (struct timespec *)(uintptr_t) timeout; | |
d509eeb1 PM |
7018 | return get_errno(safe_futex(g2h(uaddr), op, val, pts, |
7019 | g2h(uaddr2), | |
7020 | (base_op == FUTEX_CMP_REQUEUE | |
7021 | ? tswap32(val3) | |
7022 | : val3))); | |
bd0c5661 PB |
7023 | default: |
7024 | return -TARGET_ENOSYS; | |
7025 | } | |
7026 | } | |
0f0426f3 LV |
7027 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
7028 | static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname, | |
7029 | abi_long handle, abi_long mount_id, | |
7030 | abi_long flags) | |
7031 | { | |
7032 | struct file_handle *target_fh; | |
7033 | struct file_handle *fh; | |
7034 | int mid = 0; | |
7035 | abi_long ret; | |
7036 | char *name; | |
7037 | unsigned int size, total_size; | |
7038 | ||
7039 | if (get_user_s32(size, handle)) { | |
7040 | return -TARGET_EFAULT; | |
7041 | } | |
7042 | ||
7043 | name = lock_user_string(pathname); | |
7044 | if (!name) { | |
7045 | return -TARGET_EFAULT; | |
7046 | } | |
7047 | ||
7048 | total_size = sizeof(struct file_handle) + size; | |
7049 | target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0); | |
7050 | if (!target_fh) { | |
7051 | unlock_user(name, pathname, 0); | |
7052 | return -TARGET_EFAULT; | |
7053 | } | |
7054 | ||
7055 | fh = g_malloc0(total_size); | |
7056 | fh->handle_bytes = size; | |
7057 | ||
7058 | ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags)); | |
7059 | unlock_user(name, pathname, 0); | |
7060 | ||
7061 | /* man name_to_handle_at(2): | |
7062 | * Other than the use of the handle_bytes field, the caller should treat | |
7063 | * the file_handle structure as an opaque data type | |
7064 | */ | |
7065 | ||
7066 | memcpy(target_fh, fh, total_size); | |
7067 | target_fh->handle_bytes = tswap32(fh->handle_bytes); | |
7068 | target_fh->handle_type = tswap32(fh->handle_type); | |
7069 | g_free(fh); | |
7070 | unlock_user(target_fh, handle, total_size); | |
7071 | ||
7072 | if (put_user_s32(mid, mount_id)) { | |
7073 | return -TARGET_EFAULT; | |
7074 | } | |
7075 | ||
7076 | return ret; | |
7077 | ||
7078 | } | |
7079 | #endif | |
7080 | ||
7081 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
7082 | static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle, | |
7083 | abi_long flags) | |
7084 | { | |
7085 | struct file_handle *target_fh; | |
7086 | struct file_handle *fh; | |
7087 | unsigned int size, total_size; | |
7088 | abi_long ret; | |
7089 | ||
7090 | if (get_user_s32(size, handle)) { | |
7091 | return -TARGET_EFAULT; | |
7092 | } | |
7093 | ||
7094 | total_size = sizeof(struct file_handle) + size; | |
7095 | target_fh = lock_user(VERIFY_READ, handle, total_size, 1); | |
7096 | if (!target_fh) { | |
7097 | return -TARGET_EFAULT; | |
7098 | } | |
7099 | ||
e9d49d51 | 7100 | fh = g_memdup(target_fh, total_size); |
0f0426f3 LV |
7101 | fh->handle_bytes = size; |
7102 | fh->handle_type = tswap32(target_fh->handle_type); | |
7103 | ||
7104 | ret = get_errno(open_by_handle_at(mount_fd, fh, | |
7105 | target_to_host_bitmask(flags, fcntl_flags_tbl))); | |
7106 | ||
7107 | g_free(fh); | |
7108 | ||
7109 | unlock_user(target_fh, handle, total_size); | |
7110 | ||
7111 | return ret; | |
7112 | } | |
7113 | #endif | |
bd0c5661 | 7114 | |
e36800c9 LV |
7115 | #if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4) |
7116 | ||
7117 | /* signalfd siginfo conversion */ | |
7118 | ||
7119 | static void | |
7120 | host_to_target_signalfd_siginfo(struct signalfd_siginfo *tinfo, | |
7121 | const struct signalfd_siginfo *info) | |
7122 | { | |
7123 | int sig = host_to_target_signal(info->ssi_signo); | |
7124 | ||
7125 | /* linux/signalfd.h defines a ssi_addr_lsb | |
7126 | * not defined in sys/signalfd.h but used by some kernels | |
7127 | */ | |
7128 | ||
7129 | #ifdef BUS_MCEERR_AO | |
7130 | if (tinfo->ssi_signo == SIGBUS && | |
7131 | (tinfo->ssi_code == BUS_MCEERR_AR || | |
7132 | tinfo->ssi_code == BUS_MCEERR_AO)) { | |
7133 | uint16_t *ssi_addr_lsb = (uint16_t *)(&info->ssi_addr + 1); | |
7134 | uint16_t *tssi_addr_lsb = (uint16_t *)(&tinfo->ssi_addr + 1); | |
7135 | *tssi_addr_lsb = tswap16(*ssi_addr_lsb); | |
7136 | } | |
7137 | #endif | |
7138 | ||
7139 | tinfo->ssi_signo = tswap32(sig); | |
7140 | tinfo->ssi_errno = tswap32(tinfo->ssi_errno); | |
7141 | tinfo->ssi_code = tswap32(info->ssi_code); | |
7142 | tinfo->ssi_pid = tswap32(info->ssi_pid); | |
7143 | tinfo->ssi_uid = tswap32(info->ssi_uid); | |
7144 | tinfo->ssi_fd = tswap32(info->ssi_fd); | |
7145 | tinfo->ssi_tid = tswap32(info->ssi_tid); | |
7146 | tinfo->ssi_band = tswap32(info->ssi_band); | |
7147 | tinfo->ssi_overrun = tswap32(info->ssi_overrun); | |
7148 | tinfo->ssi_trapno = tswap32(info->ssi_trapno); | |
7149 | tinfo->ssi_status = tswap32(info->ssi_status); | |
7150 | tinfo->ssi_int = tswap32(info->ssi_int); | |
7151 | tinfo->ssi_ptr = tswap64(info->ssi_ptr); | |
7152 | tinfo->ssi_utime = tswap64(info->ssi_utime); | |
7153 | tinfo->ssi_stime = tswap64(info->ssi_stime); | |
7154 | tinfo->ssi_addr = tswap64(info->ssi_addr); | |
7155 | } | |
7156 | ||
5d4d3665 | 7157 | static abi_long host_to_target_data_signalfd(void *buf, size_t len) |
e36800c9 LV |
7158 | { |
7159 | int i; | |
7160 | ||
7161 | for (i = 0; i < len; i += sizeof(struct signalfd_siginfo)) { | |
7162 | host_to_target_signalfd_siginfo(buf + i, buf + i); | |
7163 | } | |
7164 | ||
7165 | return len; | |
7166 | } | |
7167 | ||
7168 | static TargetFdTrans target_signalfd_trans = { | |
5d4d3665 | 7169 | .host_to_target_data = host_to_target_data_signalfd, |
e36800c9 LV |
7170 | }; |
7171 | ||
7172 | static abi_long do_signalfd4(int fd, abi_long mask, int flags) | |
7173 | { | |
7174 | int host_flags; | |
7175 | target_sigset_t *target_mask; | |
7176 | sigset_t host_mask; | |
7177 | abi_long ret; | |
7178 | ||
7179 | if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) { | |
7180 | return -TARGET_EINVAL; | |
7181 | } | |
7182 | if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) { | |
7183 | return -TARGET_EFAULT; | |
7184 | } | |
7185 | ||
7186 | target_to_host_sigset(&host_mask, target_mask); | |
7187 | ||
7188 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
7189 | ||
7190 | ret = get_errno(signalfd(fd, &host_mask, host_flags)); | |
7191 | if (ret >= 0) { | |
7192 | fd_trans_register(ret, &target_signalfd_trans); | |
7193 | } | |
7194 | ||
7195 | unlock_user_struct(target_mask, mask, 0); | |
7196 | ||
7197 | return ret; | |
7198 | } | |
7199 | #endif | |
7200 | ||
1d9d8b55 PB |
7201 | /* Map host to target signal numbers for the wait family of syscalls. |
7202 | Assume all other status bits are the same. */ | |
a05c6409 | 7203 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
7204 | { |
7205 | if (WIFSIGNALED(status)) { | |
7206 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
7207 | } | |
7208 | if (WIFSTOPPED(status)) { | |
7209 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
7210 | | (status & 0xff); | |
7211 | } | |
7212 | return status; | |
7213 | } | |
7214 | ||
76b94245 WVS |
7215 | static int open_self_cmdline(void *cpu_env, int fd) |
7216 | { | |
7217 | int fd_orig = -1; | |
7218 | bool word_skipped = false; | |
7219 | ||
7220 | fd_orig = open("/proc/self/cmdline", O_RDONLY); | |
7221 | if (fd_orig < 0) { | |
7222 | return fd_orig; | |
7223 | } | |
7224 | ||
7225 | while (true) { | |
7226 | ssize_t nb_read; | |
7227 | char buf[128]; | |
7228 | char *cp_buf = buf; | |
7229 | ||
7230 | nb_read = read(fd_orig, buf, sizeof(buf)); | |
7231 | if (nb_read < 0) { | |
a3ca7bb2 | 7232 | int e = errno; |
76b94245 | 7233 | fd_orig = close(fd_orig); |
a3ca7bb2 | 7234 | errno = e; |
76b94245 WVS |
7235 | return -1; |
7236 | } else if (nb_read == 0) { | |
7237 | break; | |
7238 | } | |
7239 | ||
7240 | if (!word_skipped) { | |
7241 | /* Skip the first string, which is the path to qemu-*-static | |
7242 | instead of the actual command. */ | |
ba4b3f66 | 7243 | cp_buf = memchr(buf, 0, nb_read); |
76b94245 WVS |
7244 | if (cp_buf) { |
7245 | /* Null byte found, skip one string */ | |
7246 | cp_buf++; | |
7247 | nb_read -= cp_buf - buf; | |
7248 | word_skipped = true; | |
7249 | } | |
7250 | } | |
7251 | ||
7252 | if (word_skipped) { | |
7253 | if (write(fd, cp_buf, nb_read) != nb_read) { | |
a3ca7bb2 | 7254 | int e = errno; |
680dfde9 | 7255 | close(fd_orig); |
a3ca7bb2 | 7256 | errno = e; |
76b94245 WVS |
7257 | return -1; |
7258 | } | |
7259 | } | |
7260 | } | |
7261 | ||
7262 | return close(fd_orig); | |
7263 | } | |
7264 | ||
36c08d49 AG |
7265 | static int open_self_maps(void *cpu_env, int fd) |
7266 | { | |
0429a971 AF |
7267 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
7268 | TaskState *ts = cpu->opaque; | |
1a49ef2a AG |
7269 | FILE *fp; |
7270 | char *line = NULL; | |
7271 | size_t len = 0; | |
7272 | ssize_t read; | |
7273 | ||
7274 | fp = fopen("/proc/self/maps", "r"); | |
7275 | if (fp == NULL) { | |
a3ca7bb2 | 7276 | return -1; |
1a49ef2a | 7277 | } |
36c08d49 | 7278 | |
1a49ef2a AG |
7279 | while ((read = getline(&line, &len, fp)) != -1) { |
7280 | int fields, dev_maj, dev_min, inode; | |
7281 | uint64_t min, max, offset; | |
7282 | char flag_r, flag_w, flag_x, flag_p; | |
7283 | char path[512] = ""; | |
7284 | fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d" | |
7285 | " %512s", &min, &max, &flag_r, &flag_w, &flag_x, | |
7286 | &flag_p, &offset, &dev_maj, &dev_min, &inode, path); | |
7287 | ||
7288 | if ((fields < 10) || (fields > 11)) { | |
7289 | continue; | |
7290 | } | |
d67f4aaa MI |
7291 | if (h2g_valid(min)) { |
7292 | int flags = page_get_flags(h2g(min)); | |
7293 | max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX); | |
7294 | if (page_check_range(h2g(min), max - min, flags) == -1) { | |
7295 | continue; | |
7296 | } | |
7297 | if (h2g(min) == ts->info->stack_limit) { | |
7298 | pstrcpy(path, sizeof(path), " [stack]"); | |
7299 | } | |
1a49ef2a | 7300 | dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx |
e24fed4e | 7301 | " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n", |
d67f4aaa | 7302 | h2g(min), h2g(max - 1) + 1, flag_r, flag_w, |
1a49ef2a | 7303 | flag_x, flag_p, offset, dev_maj, dev_min, inode, |
e24fed4e | 7304 | path[0] ? " " : "", path); |
1a49ef2a AG |
7305 | } |
7306 | } | |
7307 | ||
7308 | free(line); | |
7309 | fclose(fp); | |
7310 | ||
36c08d49 AG |
7311 | return 0; |
7312 | } | |
7313 | ||
480b8e7d AG |
7314 | static int open_self_stat(void *cpu_env, int fd) |
7315 | { | |
0429a971 AF |
7316 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
7317 | TaskState *ts = cpu->opaque; | |
480b8e7d AG |
7318 | abi_ulong start_stack = ts->info->start_stack; |
7319 | int i; | |
7320 | ||
7321 | for (i = 0; i < 44; i++) { | |
7322 | char buf[128]; | |
7323 | int len; | |
7324 | uint64_t val = 0; | |
7325 | ||
e0e65bee FE |
7326 | if (i == 0) { |
7327 | /* pid */ | |
7328 | val = getpid(); | |
7329 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
7330 | } else if (i == 1) { | |
7331 | /* app name */ | |
7332 | snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]); | |
7333 | } else if (i == 27) { | |
7334 | /* stack bottom */ | |
7335 | val = start_stack; | |
7336 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
7337 | } else { | |
7338 | /* for the rest, there is MasterCard */ | |
7339 | snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' '); | |
480b8e7d | 7340 | } |
e0e65bee | 7341 | |
480b8e7d AG |
7342 | len = strlen(buf); |
7343 | if (write(fd, buf, len) != len) { | |
7344 | return -1; | |
7345 | } | |
7346 | } | |
7347 | ||
7348 | return 0; | |
7349 | } | |
7350 | ||
257450ee AG |
7351 | static int open_self_auxv(void *cpu_env, int fd) |
7352 | { | |
0429a971 AF |
7353 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
7354 | TaskState *ts = cpu->opaque; | |
257450ee AG |
7355 | abi_ulong auxv = ts->info->saved_auxv; |
7356 | abi_ulong len = ts->info->auxv_len; | |
7357 | char *ptr; | |
7358 | ||
7359 | /* | |
7360 | * Auxiliary vector is stored in target process stack. | |
7361 | * read in whole auxv vector and copy it to file | |
7362 | */ | |
7363 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
7364 | if (ptr != NULL) { | |
7365 | while (len > 0) { | |
7366 | ssize_t r; | |
7367 | r = write(fd, ptr, len); | |
7368 | if (r <= 0) { | |
7369 | break; | |
7370 | } | |
7371 | len -= r; | |
7372 | ptr += r; | |
7373 | } | |
7374 | lseek(fd, 0, SEEK_SET); | |
7375 | unlock_user(ptr, auxv, len); | |
7376 | } | |
7377 | ||
7378 | return 0; | |
7379 | } | |
7380 | ||
463d8e73 AS |
7381 | static int is_proc_myself(const char *filename, const char *entry) |
7382 | { | |
7383 | if (!strncmp(filename, "/proc/", strlen("/proc/"))) { | |
7384 | filename += strlen("/proc/"); | |
7385 | if (!strncmp(filename, "self/", strlen("self/"))) { | |
7386 | filename += strlen("self/"); | |
7387 | } else if (*filename >= '1' && *filename <= '9') { | |
7388 | char myself[80]; | |
7389 | snprintf(myself, sizeof(myself), "%d/", getpid()); | |
7390 | if (!strncmp(filename, myself, strlen(myself))) { | |
7391 | filename += strlen(myself); | |
7392 | } else { | |
7393 | return 0; | |
7394 | } | |
7395 | } else { | |
7396 | return 0; | |
7397 | } | |
7398 | if (!strcmp(filename, entry)) { | |
7399 | return 1; | |
7400 | } | |
7401 | } | |
7402 | return 0; | |
7403 | } | |
7404 | ||
de6b9933 LV |
7405 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
7406 | static int is_proc(const char *filename, const char *entry) | |
7407 | { | |
7408 | return strcmp(filename, entry) == 0; | |
7409 | } | |
7410 | ||
7411 | static int open_net_route(void *cpu_env, int fd) | |
7412 | { | |
7413 | FILE *fp; | |
7414 | char *line = NULL; | |
7415 | size_t len = 0; | |
7416 | ssize_t read; | |
7417 | ||
7418 | fp = fopen("/proc/net/route", "r"); | |
7419 | if (fp == NULL) { | |
a3ca7bb2 | 7420 | return -1; |
de6b9933 LV |
7421 | } |
7422 | ||
7423 | /* read header */ | |
7424 | ||
7425 | read = getline(&line, &len, fp); | |
7426 | dprintf(fd, "%s", line); | |
7427 | ||
7428 | /* read routes */ | |
7429 | ||
7430 | while ((read = getline(&line, &len, fp)) != -1) { | |
7431 | char iface[16]; | |
7432 | uint32_t dest, gw, mask; | |
7433 | unsigned int flags, refcnt, use, metric, mtu, window, irtt; | |
7434 | sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
7435 | iface, &dest, &gw, &flags, &refcnt, &use, &metric, | |
7436 | &mask, &mtu, &window, &irtt); | |
7437 | dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
7438 | iface, tswap32(dest), tswap32(gw), flags, refcnt, use, | |
7439 | metric, tswap32(mask), mtu, window, irtt); | |
7440 | } | |
7441 | ||
7442 | free(line); | |
7443 | fclose(fp); | |
7444 | ||
7445 | return 0; | |
7446 | } | |
7447 | #endif | |
7448 | ||
0b2effd7 | 7449 | static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode) |
3be14d05 AG |
7450 | { |
7451 | struct fake_open { | |
7452 | const char *filename; | |
7453 | int (*fill)(void *cpu_env, int fd); | |
de6b9933 | 7454 | int (*cmp)(const char *s1, const char *s2); |
3be14d05 AG |
7455 | }; |
7456 | const struct fake_open *fake_open; | |
7457 | static const struct fake_open fakes[] = { | |
de6b9933 LV |
7458 | { "maps", open_self_maps, is_proc_myself }, |
7459 | { "stat", open_self_stat, is_proc_myself }, | |
7460 | { "auxv", open_self_auxv, is_proc_myself }, | |
76b94245 | 7461 | { "cmdline", open_self_cmdline, is_proc_myself }, |
de6b9933 LV |
7462 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
7463 | { "/proc/net/route", open_net_route, is_proc }, | |
7464 | #endif | |
7465 | { NULL, NULL, NULL } | |
3be14d05 AG |
7466 | }; |
7467 | ||
aa07f5ec MO |
7468 | if (is_proc_myself(pathname, "exe")) { |
7469 | int execfd = qemu_getauxval(AT_EXECFD); | |
c10a0738 | 7470 | return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode); |
aa07f5ec MO |
7471 | } |
7472 | ||
3be14d05 | 7473 | for (fake_open = fakes; fake_open->filename; fake_open++) { |
de6b9933 | 7474 | if (fake_open->cmp(pathname, fake_open->filename)) { |
3be14d05 AG |
7475 | break; |
7476 | } | |
7477 | } | |
7478 | ||
7479 | if (fake_open->filename) { | |
7480 | const char *tmpdir; | |
7481 | char filename[PATH_MAX]; | |
7482 | int fd, r; | |
7483 | ||
7484 | /* create temporary file to map stat to */ | |
7485 | tmpdir = getenv("TMPDIR"); | |
7486 | if (!tmpdir) | |
7487 | tmpdir = "/tmp"; | |
7488 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
7489 | fd = mkstemp(filename); | |
7490 | if (fd < 0) { | |
7491 | return fd; | |
7492 | } | |
7493 | unlink(filename); | |
7494 | ||
7495 | if ((r = fake_open->fill(cpu_env, fd))) { | |
a3ca7bb2 | 7496 | int e = errno; |
3be14d05 | 7497 | close(fd); |
a3ca7bb2 | 7498 | errno = e; |
3be14d05 AG |
7499 | return r; |
7500 | } | |
7501 | lseek(fd, 0, SEEK_SET); | |
7502 | ||
7503 | return fd; | |
7504 | } | |
7505 | ||
c10a0738 | 7506 | return safe_openat(dirfd, path(pathname), flags, mode); |
3be14d05 AG |
7507 | } |
7508 | ||
aecc8861 AG |
7509 | #define TIMER_MAGIC 0x0caf0000 |
7510 | #define TIMER_MAGIC_MASK 0xffff0000 | |
7511 | ||
7512 | /* Convert QEMU provided timer ID back to internal 16bit index format */ | |
7513 | static target_timer_t get_timer_id(abi_long arg) | |
7514 | { | |
7515 | target_timer_t timerid = arg; | |
7516 | ||
7517 | if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) { | |
7518 | return -TARGET_EINVAL; | |
7519 | } | |
7520 | ||
7521 | timerid &= 0xffff; | |
7522 | ||
7523 | if (timerid >= ARRAY_SIZE(g_posix_timers)) { | |
7524 | return -TARGET_EINVAL; | |
7525 | } | |
7526 | ||
7527 | return timerid; | |
7528 | } | |
7529 | ||
0da46a6e TS |
7530 | /* do_syscall() should always have a single exit point at the end so |
7531 | that actions, such as logging of syscall results, can be performed. | |
7532 | All errnos that do_syscall() returns must be -TARGET_<errcode>. */ | |
992f48a0 BS |
7533 | abi_long do_syscall(void *cpu_env, int num, abi_long arg1, |
7534 | abi_long arg2, abi_long arg3, abi_long arg4, | |
5945cfcb PM |
7535 | abi_long arg5, abi_long arg6, abi_long arg7, |
7536 | abi_long arg8) | |
31e31b8a | 7537 | { |
182735ef | 7538 | CPUState *cpu = ENV_GET_CPU(cpu_env); |
992f48a0 | 7539 | abi_long ret; |
31e31b8a | 7540 | struct stat st; |
56c8f68f | 7541 | struct statfs stfs; |
53a5960a | 7542 | void *p; |
3b46e624 | 7543 | |
71a8f7fe TB |
7544 | #if defined(DEBUG_ERESTARTSYS) |
7545 | /* Debug-only code for exercising the syscall-restart code paths | |
7546 | * in the per-architecture cpu main loops: restart every syscall | |
7547 | * the guest makes once before letting it through. | |
7548 | */ | |
7549 | { | |
7550 | static int flag; | |
7551 | ||
7552 | flag = !flag; | |
7553 | if (flag) { | |
7554 | return -TARGET_ERESTARTSYS; | |
7555 | } | |
7556 | } | |
7557 | #endif | |
7558 | ||
72f03900 | 7559 | #ifdef DEBUG |
c573ff67 | 7560 | gemu_log("syscall %d", num); |
72f03900 | 7561 | #endif |
9c15e700 | 7562 | trace_guest_user_syscall(cpu, num, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8); |
b92c47c1 TS |
7563 | if(do_strace) |
7564 | print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); | |
7565 | ||
31e31b8a FB |
7566 | switch(num) { |
7567 | case TARGET_NR_exit: | |
9b056fcc AF |
7568 | /* In old applications this may be used to implement _exit(2). |
7569 | However in threaded applictions it is used for thread termination, | |
7570 | and _exit_group is used for application termination. | |
7571 | Do thread termination if we have more then one thread. */ | |
a0995886 TB |
7572 | |
7573 | if (block_signals()) { | |
7574 | ret = -TARGET_ERESTARTSYS; | |
7575 | break; | |
7576 | } | |
7577 | ||
dd1f6349 AB |
7578 | cpu_list_lock(); |
7579 | ||
bdc44640 | 7580 | if (CPU_NEXT(first_cpu)) { |
9b056fcc | 7581 | TaskState *ts; |
9b056fcc | 7582 | |
9b056fcc | 7583 | /* Remove the CPU from the list. */ |
bdc44640 | 7584 | QTAILQ_REMOVE(&cpus, cpu, node); |
dd1f6349 | 7585 | |
9b056fcc | 7586 | cpu_list_unlock(); |
dd1f6349 | 7587 | |
0429a971 | 7588 | ts = cpu->opaque; |
9b056fcc AF |
7589 | if (ts->child_tidptr) { |
7590 | put_user_u32(0, ts->child_tidptr); | |
7591 | sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, | |
7592 | NULL, NULL, 0); | |
7593 | } | |
a2247f8e | 7594 | thread_cpu = NULL; |
0429a971 | 7595 | object_unref(OBJECT(cpu)); |
9b056fcc | 7596 | g_free(ts); |
70903763 | 7597 | rcu_unregister_thread(); |
9b056fcc AF |
7598 | pthread_exit(NULL); |
7599 | } | |
dd1f6349 AB |
7600 | |
7601 | cpu_list_unlock(); | |
9788c9ca | 7602 | #ifdef TARGET_GPROF |
7d13299d FB |
7603 | _mcleanup(); |
7604 | #endif | |
e9009676 | 7605 | gdb_exit(cpu_env, arg1); |
c2764719 | 7606 | _exit(arg1); |
31e31b8a FB |
7607 | ret = 0; /* avoid warning */ |
7608 | break; | |
7609 | case TARGET_NR_read: | |
38d840e6 AJ |
7610 | if (arg3 == 0) |
7611 | ret = 0; | |
7612 | else { | |
7613 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) | |
7614 | goto efault; | |
50afd02b | 7615 | ret = get_errno(safe_read(arg1, p, arg3)); |
e36800c9 | 7616 | if (ret >= 0 && |
5d4d3665 LV |
7617 | fd_trans_host_to_target_data(arg1)) { |
7618 | ret = fd_trans_host_to_target_data(arg1)(p, ret); | |
e36800c9 | 7619 | } |
38d840e6 AJ |
7620 | unlock_user(p, arg2, ret); |
7621 | } | |
31e31b8a FB |
7622 | break; |
7623 | case TARGET_NR_write: | |
579a97f7 FB |
7624 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
7625 | goto efault; | |
50afd02b | 7626 | ret = get_errno(safe_write(arg1, p, arg3)); |
53a5960a | 7627 | unlock_user(p, arg2, 0); |
31e31b8a | 7628 | break; |
704eff6c | 7629 | #ifdef TARGET_NR_open |
31e31b8a | 7630 | case TARGET_NR_open: |
2f619698 FB |
7631 | if (!(p = lock_user_string(arg1))) |
7632 | goto efault; | |
0b2effd7 RV |
7633 | ret = get_errno(do_openat(cpu_env, AT_FDCWD, p, |
7634 | target_to_host_bitmask(arg2, fcntl_flags_tbl), | |
7635 | arg3)); | |
e36800c9 | 7636 | fd_trans_unregister(ret); |
53a5960a | 7637 | unlock_user(p, arg1, 0); |
31e31b8a | 7638 | break; |
704eff6c | 7639 | #endif |
82424832 | 7640 | case TARGET_NR_openat: |
579a97f7 FB |
7641 | if (!(p = lock_user_string(arg2))) |
7642 | goto efault; | |
0b2effd7 RV |
7643 | ret = get_errno(do_openat(cpu_env, arg1, p, |
7644 | target_to_host_bitmask(arg3, fcntl_flags_tbl), | |
7645 | arg4)); | |
e36800c9 | 7646 | fd_trans_unregister(ret); |
579a97f7 | 7647 | unlock_user(p, arg2, 0); |
82424832 | 7648 | break; |
0f0426f3 LV |
7649 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
7650 | case TARGET_NR_name_to_handle_at: | |
7651 | ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5); | |
7652 | break; | |
7653 | #endif | |
7654 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
7655 | case TARGET_NR_open_by_handle_at: | |
7656 | ret = do_open_by_handle_at(arg1, arg2, arg3); | |
e36800c9 | 7657 | fd_trans_unregister(ret); |
0f0426f3 LV |
7658 | break; |
7659 | #endif | |
31e31b8a | 7660 | case TARGET_NR_close: |
e36800c9 | 7661 | fd_trans_unregister(arg1); |
31e31b8a FB |
7662 | ret = get_errno(close(arg1)); |
7663 | break; | |
7664 | case TARGET_NR_brk: | |
53a5960a | 7665 | ret = do_brk(arg1); |
31e31b8a | 7666 | break; |
704eff6c | 7667 | #ifdef TARGET_NR_fork |
31e31b8a | 7668 | case TARGET_NR_fork: |
d865bab5 | 7669 | ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0)); |
31e31b8a | 7670 | break; |
704eff6c | 7671 | #endif |
e5febef5 | 7672 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
7673 | case TARGET_NR_waitpid: |
7674 | { | |
53a5960a | 7675 | int status; |
4af80a37 | 7676 | ret = get_errno(safe_wait4(arg1, &status, arg3, 0)); |
5379557b | 7677 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 7678 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2f619698 | 7679 | goto efault; |
31e31b8a FB |
7680 | } |
7681 | break; | |
e5febef5 | 7682 | #endif |
f0cbb613 PB |
7683 | #ifdef TARGET_NR_waitid |
7684 | case TARGET_NR_waitid: | |
7685 | { | |
7686 | siginfo_t info; | |
7687 | info.si_pid = 0; | |
4af80a37 | 7688 | ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL)); |
f0cbb613 | 7689 | if (!is_error(ret) && arg3 && info.si_pid != 0) { |
c227f099 | 7690 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
f0cbb613 PB |
7691 | goto efault; |
7692 | host_to_target_siginfo(p, &info); | |
c227f099 | 7693 | unlock_user(p, arg3, sizeof(target_siginfo_t)); |
f0cbb613 PB |
7694 | } |
7695 | } | |
7696 | break; | |
7697 | #endif | |
7a3148a9 | 7698 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 7699 | case TARGET_NR_creat: |
579a97f7 FB |
7700 | if (!(p = lock_user_string(arg1))) |
7701 | goto efault; | |
53a5960a | 7702 | ret = get_errno(creat(p, arg2)); |
e36800c9 | 7703 | fd_trans_unregister(ret); |
53a5960a | 7704 | unlock_user(p, arg1, 0); |
31e31b8a | 7705 | break; |
7a3148a9 | 7706 | #endif |
704eff6c | 7707 | #ifdef TARGET_NR_link |
31e31b8a | 7708 | case TARGET_NR_link: |
53a5960a PB |
7709 | { |
7710 | void * p2; | |
7711 | p = lock_user_string(arg1); | |
7712 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
7713 | if (!p || !p2) |
7714 | ret = -TARGET_EFAULT; | |
7715 | else | |
7716 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
7717 | unlock_user(p2, arg2, 0); |
7718 | unlock_user(p, arg1, 0); | |
7719 | } | |
31e31b8a | 7720 | break; |
704eff6c | 7721 | #endif |
c0d472b1 | 7722 | #if defined(TARGET_NR_linkat) |
64f0ce4c | 7723 | case TARGET_NR_linkat: |
64f0ce4c TS |
7724 | { |
7725 | void * p2 = NULL; | |
579a97f7 FB |
7726 | if (!arg2 || !arg4) |
7727 | goto efault; | |
64f0ce4c TS |
7728 | p = lock_user_string(arg2); |
7729 | p2 = lock_user_string(arg4); | |
579a97f7 | 7730 | if (!p || !p2) |
0da46a6e | 7731 | ret = -TARGET_EFAULT; |
64f0ce4c | 7732 | else |
c0d472b1 | 7733 | ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
579a97f7 FB |
7734 | unlock_user(p, arg2, 0); |
7735 | unlock_user(p2, arg4, 0); | |
64f0ce4c TS |
7736 | } |
7737 | break; | |
7738 | #endif | |
704eff6c | 7739 | #ifdef TARGET_NR_unlink |
31e31b8a | 7740 | case TARGET_NR_unlink: |
579a97f7 FB |
7741 | if (!(p = lock_user_string(arg1))) |
7742 | goto efault; | |
53a5960a PB |
7743 | ret = get_errno(unlink(p)); |
7744 | unlock_user(p, arg1, 0); | |
31e31b8a | 7745 | break; |
704eff6c | 7746 | #endif |
c0d472b1 | 7747 | #if defined(TARGET_NR_unlinkat) |
8170f56b | 7748 | case TARGET_NR_unlinkat: |
579a97f7 FB |
7749 | if (!(p = lock_user_string(arg2))) |
7750 | goto efault; | |
c0d472b1 | 7751 | ret = get_errno(unlinkat(arg1, p, arg3)); |
579a97f7 | 7752 | unlock_user(p, arg2, 0); |
ed494d87 | 7753 | break; |
b7d35e65 | 7754 | #endif |
31e31b8a | 7755 | case TARGET_NR_execve: |
7854b056 FB |
7756 | { |
7757 | char **argp, **envp; | |
f7341ff4 | 7758 | int argc, envc; |
992f48a0 BS |
7759 | abi_ulong gp; |
7760 | abi_ulong guest_argp; | |
7761 | abi_ulong guest_envp; | |
7762 | abi_ulong addr; | |
7854b056 | 7763 | char **q; |
a6f79cc9 | 7764 | int total_size = 0; |
7854b056 | 7765 | |
f7341ff4 | 7766 | argc = 0; |
53a5960a | 7767 | guest_argp = arg2; |
da94d263 | 7768 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 7769 | if (get_user_ual(addr, gp)) |
2f619698 | 7770 | goto efault; |
03aa1976 | 7771 | if (!addr) |
2f619698 | 7772 | break; |
7854b056 | 7773 | argc++; |
2f619698 | 7774 | } |
f7341ff4 | 7775 | envc = 0; |
53a5960a | 7776 | guest_envp = arg3; |
da94d263 | 7777 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 7778 | if (get_user_ual(addr, gp)) |
2f619698 | 7779 | goto efault; |
03aa1976 | 7780 | if (!addr) |
2f619698 | 7781 | break; |
7854b056 | 7782 | envc++; |
2f619698 | 7783 | } |
7854b056 | 7784 | |
f7341ff4 FB |
7785 | argp = alloca((argc + 1) * sizeof(void *)); |
7786 | envp = alloca((envc + 1) * sizeof(void *)); | |
7854b056 | 7787 | |
da94d263 | 7788 | for (gp = guest_argp, q = argp; gp; |
992f48a0 | 7789 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7790 | if (get_user_ual(addr, gp)) |
7791 | goto execve_efault; | |
53a5960a PB |
7792 | if (!addr) |
7793 | break; | |
2f619698 FB |
7794 | if (!(*q = lock_user_string(addr))) |
7795 | goto execve_efault; | |
a6f79cc9 | 7796 | total_size += strlen(*q) + 1; |
53a5960a | 7797 | } |
f7341ff4 FB |
7798 | *q = NULL; |
7799 | ||
da94d263 | 7800 | for (gp = guest_envp, q = envp; gp; |
992f48a0 | 7801 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7802 | if (get_user_ual(addr, gp)) |
7803 | goto execve_efault; | |
53a5960a PB |
7804 | if (!addr) |
7805 | break; | |
2f619698 FB |
7806 | if (!(*q = lock_user_string(addr))) |
7807 | goto execve_efault; | |
a6f79cc9 | 7808 | total_size += strlen(*q) + 1; |
53a5960a | 7809 | } |
f7341ff4 | 7810 | *q = NULL; |
7854b056 | 7811 | |
2f619698 FB |
7812 | if (!(p = lock_user_string(arg1))) |
7813 | goto execve_efault; | |
ffdcbe22 TB |
7814 | /* Although execve() is not an interruptible syscall it is |
7815 | * a special case where we must use the safe_syscall wrapper: | |
7816 | * if we allow a signal to happen before we make the host | |
7817 | * syscall then we will 'lose' it, because at the point of | |
7818 | * execve the process leaves QEMU's control. So we use the | |
7819 | * safe syscall wrapper to ensure that we either take the | |
7820 | * signal as a guest signal, or else it does not happen | |
7821 | * before the execve completes and makes it the other | |
7822 | * program's problem. | |
7823 | */ | |
7824 | ret = get_errno(safe_execve(p, argp, envp)); | |
53a5960a PB |
7825 | unlock_user(p, arg1, 0); |
7826 | ||
2f619698 FB |
7827 | goto execve_end; |
7828 | ||
7829 | execve_efault: | |
7830 | ret = -TARGET_EFAULT; | |
7831 | ||
7832 | execve_end: | |
53a5960a | 7833 | for (gp = guest_argp, q = argp; *q; |
992f48a0 | 7834 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7835 | if (get_user_ual(addr, gp) |
7836 | || !addr) | |
7837 | break; | |
53a5960a PB |
7838 | unlock_user(*q, addr, 0); |
7839 | } | |
7840 | for (gp = guest_envp, q = envp; *q; | |
992f48a0 | 7841 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7842 | if (get_user_ual(addr, gp) |
7843 | || !addr) | |
7844 | break; | |
53a5960a PB |
7845 | unlock_user(*q, addr, 0); |
7846 | } | |
7854b056 | 7847 | } |
31e31b8a FB |
7848 | break; |
7849 | case TARGET_NR_chdir: | |
579a97f7 FB |
7850 | if (!(p = lock_user_string(arg1))) |
7851 | goto efault; | |
53a5960a PB |
7852 | ret = get_errno(chdir(p)); |
7853 | unlock_user(p, arg1, 0); | |
31e31b8a | 7854 | break; |
a315a145 | 7855 | #ifdef TARGET_NR_time |
31e31b8a FB |
7856 | case TARGET_NR_time: |
7857 | { | |
53a5960a PB |
7858 | time_t host_time; |
7859 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
7860 | if (!is_error(ret) |
7861 | && arg1 | |
7862 | && put_user_sal(host_time, arg1)) | |
7863 | goto efault; | |
31e31b8a FB |
7864 | } |
7865 | break; | |
a315a145 | 7866 | #endif |
704eff6c | 7867 | #ifdef TARGET_NR_mknod |
31e31b8a | 7868 | case TARGET_NR_mknod: |
579a97f7 FB |
7869 | if (!(p = lock_user_string(arg1))) |
7870 | goto efault; | |
53a5960a PB |
7871 | ret = get_errno(mknod(p, arg2, arg3)); |
7872 | unlock_user(p, arg1, 0); | |
31e31b8a | 7873 | break; |
704eff6c | 7874 | #endif |
c0d472b1 | 7875 | #if defined(TARGET_NR_mknodat) |
75ac37a0 | 7876 | case TARGET_NR_mknodat: |
579a97f7 FB |
7877 | if (!(p = lock_user_string(arg2))) |
7878 | goto efault; | |
c0d472b1 | 7879 | ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
579a97f7 | 7880 | unlock_user(p, arg2, 0); |
75ac37a0 TS |
7881 | break; |
7882 | #endif | |
704eff6c | 7883 | #ifdef TARGET_NR_chmod |
31e31b8a | 7884 | case TARGET_NR_chmod: |
579a97f7 FB |
7885 | if (!(p = lock_user_string(arg1))) |
7886 | goto efault; | |
53a5960a PB |
7887 | ret = get_errno(chmod(p, arg2)); |
7888 | unlock_user(p, arg1, 0); | |
31e31b8a | 7889 | break; |
704eff6c | 7890 | #endif |
ebc05488 | 7891 | #ifdef TARGET_NR_break |
31e31b8a FB |
7892 | case TARGET_NR_break: |
7893 | goto unimplemented; | |
ebc05488 FB |
7894 | #endif |
7895 | #ifdef TARGET_NR_oldstat | |
31e31b8a FB |
7896 | case TARGET_NR_oldstat: |
7897 | goto unimplemented; | |
ebc05488 | 7898 | #endif |
31e31b8a FB |
7899 | case TARGET_NR_lseek: |
7900 | ret = get_errno(lseek(arg1, arg2, arg3)); | |
7901 | break; | |
9231733a RH |
7902 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
7903 | /* Alpha specific */ | |
7a3148a9 | 7904 | case TARGET_NR_getxpid: |
9231733a RH |
7905 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
7906 | ret = get_errno(getpid()); | |
7907 | break; | |
7a3148a9 | 7908 | #endif |
9231733a RH |
7909 | #ifdef TARGET_NR_getpid |
7910 | case TARGET_NR_getpid: | |
31e31b8a FB |
7911 | ret = get_errno(getpid()); |
7912 | break; | |
9231733a | 7913 | #endif |
31e31b8a | 7914 | case TARGET_NR_mount: |
356d771b PB |
7915 | { |
7916 | /* need to look at the data field */ | |
7917 | void *p2, *p3; | |
7918 | ||
7919 | if (arg1) { | |
7920 | p = lock_user_string(arg1); | |
7921 | if (!p) { | |
7922 | goto efault; | |
7923 | } | |
7924 | } else { | |
7925 | p = NULL; | |
7926 | } | |
7927 | ||
7928 | p2 = lock_user_string(arg2); | |
7929 | if (!p2) { | |
7930 | if (arg1) { | |
7931 | unlock_user(p, arg1, 0); | |
7932 | } | |
7933 | goto efault; | |
7934 | } | |
7935 | ||
7936 | if (arg3) { | |
7937 | p3 = lock_user_string(arg3); | |
7938 | if (!p3) { | |
7939 | if (arg1) { | |
579a97f7 | 7940 | unlock_user(p, arg1, 0); |
356d771b PB |
7941 | } |
7942 | unlock_user(p2, arg2, 0); | |
7943 | goto efault; | |
7944 | } | |
7945 | } else { | |
7946 | p3 = NULL; | |
7947 | } | |
7948 | ||
7949 | /* FIXME - arg5 should be locked, but it isn't clear how to | |
7950 | * do that since it's not guaranteed to be a NULL-terminated | |
7951 | * string. | |
7952 | */ | |
7953 | if (!arg5) { | |
7954 | ret = mount(p, p2, p3, (unsigned long)arg4, NULL); | |
7955 | } else { | |
7956 | ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)); | |
7957 | } | |
7958 | ret = get_errno(ret); | |
7959 | ||
7960 | if (arg1) { | |
7961 | unlock_user(p, arg1, 0); | |
7962 | } | |
7963 | unlock_user(p2, arg2, 0); | |
7964 | if (arg3) { | |
7965 | unlock_user(p3, arg3, 0); | |
7966 | } | |
7967 | } | |
7968 | break; | |
e5febef5 | 7969 | #ifdef TARGET_NR_umount |
31e31b8a | 7970 | case TARGET_NR_umount: |
579a97f7 FB |
7971 | if (!(p = lock_user_string(arg1))) |
7972 | goto efault; | |
53a5960a PB |
7973 | ret = get_errno(umount(p)); |
7974 | unlock_user(p, arg1, 0); | |
31e31b8a | 7975 | break; |
e5febef5 | 7976 | #endif |
7a3148a9 | 7977 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
7978 | case TARGET_NR_stime: |
7979 | { | |
53a5960a | 7980 | time_t host_time; |
2f619698 FB |
7981 | if (get_user_sal(host_time, arg1)) |
7982 | goto efault; | |
53a5960a | 7983 | ret = get_errno(stime(&host_time)); |
31e31b8a FB |
7984 | } |
7985 | break; | |
7a3148a9 | 7986 | #endif |
31e31b8a FB |
7987 | case TARGET_NR_ptrace: |
7988 | goto unimplemented; | |
7a3148a9 | 7989 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a FB |
7990 | case TARGET_NR_alarm: |
7991 | ret = alarm(arg1); | |
7992 | break; | |
7a3148a9 | 7993 | #endif |
ebc05488 | 7994 | #ifdef TARGET_NR_oldfstat |
31e31b8a FB |
7995 | case TARGET_NR_oldfstat: |
7996 | goto unimplemented; | |
ebc05488 | 7997 | #endif |
7a3148a9 | 7998 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a | 7999 | case TARGET_NR_pause: |
f59ec606 TB |
8000 | if (!block_signals()) { |
8001 | sigsuspend(&((TaskState *)cpu->opaque)->signal_mask); | |
8002 | } | |
8003 | ret = -TARGET_EINTR; | |
31e31b8a | 8004 | break; |
7a3148a9 | 8005 | #endif |
e5febef5 | 8006 | #ifdef TARGET_NR_utime |
31e31b8a | 8007 | case TARGET_NR_utime: |
ebc05488 | 8008 | { |
53a5960a PB |
8009 | struct utimbuf tbuf, *host_tbuf; |
8010 | struct target_utimbuf *target_tbuf; | |
8011 | if (arg2) { | |
579a97f7 FB |
8012 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
8013 | goto efault; | |
cbb21eed MB |
8014 | tbuf.actime = tswapal(target_tbuf->actime); |
8015 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
8016 | unlock_user_struct(target_tbuf, arg2, 0); |
8017 | host_tbuf = &tbuf; | |
f72e8ff4 | 8018 | } else { |
53a5960a | 8019 | host_tbuf = NULL; |
f72e8ff4 | 8020 | } |
579a97f7 FB |
8021 | if (!(p = lock_user_string(arg1))) |
8022 | goto efault; | |
53a5960a PB |
8023 | ret = get_errno(utime(p, host_tbuf)); |
8024 | unlock_user(p, arg1, 0); | |
ebc05488 FB |
8025 | } |
8026 | break; | |
e5febef5 | 8027 | #endif |
704eff6c | 8028 | #ifdef TARGET_NR_utimes |
978a66ff FB |
8029 | case TARGET_NR_utimes: |
8030 | { | |
978a66ff | 8031 | struct timeval *tvp, tv[2]; |
53a5960a | 8032 | if (arg2) { |
788f5ec4 TS |
8033 | if (copy_from_user_timeval(&tv[0], arg2) |
8034 | || copy_from_user_timeval(&tv[1], | |
8035 | arg2 + sizeof(struct target_timeval))) | |
8036 | goto efault; | |
978a66ff FB |
8037 | tvp = tv; |
8038 | } else { | |
8039 | tvp = NULL; | |
8040 | } | |
579a97f7 FB |
8041 | if (!(p = lock_user_string(arg1))) |
8042 | goto efault; | |
53a5960a PB |
8043 | ret = get_errno(utimes(p, tvp)); |
8044 | unlock_user(p, arg1, 0); | |
978a66ff FB |
8045 | } |
8046 | break; | |
704eff6c | 8047 | #endif |
c0d472b1 | 8048 | #if defined(TARGET_NR_futimesat) |
ac8a6556 AZ |
8049 | case TARGET_NR_futimesat: |
8050 | { | |
8051 | struct timeval *tvp, tv[2]; | |
8052 | if (arg3) { | |
8053 | if (copy_from_user_timeval(&tv[0], arg3) | |
8054 | || copy_from_user_timeval(&tv[1], | |
8055 | arg3 + sizeof(struct target_timeval))) | |
8056 | goto efault; | |
8057 | tvp = tv; | |
8058 | } else { | |
8059 | tvp = NULL; | |
8060 | } | |
8061 | if (!(p = lock_user_string(arg2))) | |
8062 | goto efault; | |
c0d472b1 | 8063 | ret = get_errno(futimesat(arg1, path(p), tvp)); |
ac8a6556 AZ |
8064 | unlock_user(p, arg2, 0); |
8065 | } | |
8066 | break; | |
8067 | #endif | |
ebc05488 | 8068 | #ifdef TARGET_NR_stty |
31e31b8a FB |
8069 | case TARGET_NR_stty: |
8070 | goto unimplemented; | |
ebc05488 FB |
8071 | #endif |
8072 | #ifdef TARGET_NR_gtty | |
31e31b8a FB |
8073 | case TARGET_NR_gtty: |
8074 | goto unimplemented; | |
ebc05488 | 8075 | #endif |
704eff6c | 8076 | #ifdef TARGET_NR_access |
31e31b8a | 8077 | case TARGET_NR_access: |
579a97f7 FB |
8078 | if (!(p = lock_user_string(arg1))) |
8079 | goto efault; | |
719f908e | 8080 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 8081 | unlock_user(p, arg1, 0); |
31e31b8a | 8082 | break; |
704eff6c | 8083 | #endif |
92a34c10 TS |
8084 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
8085 | case TARGET_NR_faccessat: | |
579a97f7 FB |
8086 | if (!(p = lock_user_string(arg2))) |
8087 | goto efault; | |
c0d472b1 | 8088 | ret = get_errno(faccessat(arg1, p, arg3, 0)); |
579a97f7 | 8089 | unlock_user(p, arg2, 0); |
92a34c10 TS |
8090 | break; |
8091 | #endif | |
7a3148a9 | 8092 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a FB |
8093 | case TARGET_NR_nice: |
8094 | ret = get_errno(nice(arg1)); | |
8095 | break; | |
7a3148a9 | 8096 | #endif |
ebc05488 | 8097 | #ifdef TARGET_NR_ftime |
31e31b8a FB |
8098 | case TARGET_NR_ftime: |
8099 | goto unimplemented; | |
ebc05488 | 8100 | #endif |
31e31b8a | 8101 | case TARGET_NR_sync: |
04369ff2 FB |
8102 | sync(); |
8103 | ret = 0; | |
31e31b8a | 8104 | break; |
5a03cd00 AM |
8105 | #if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS) |
8106 | case TARGET_NR_syncfs: | |
8107 | ret = get_errno(syncfs(arg1)); | |
8108 | break; | |
8109 | #endif | |
31e31b8a | 8110 | case TARGET_NR_kill: |
bef653d9 | 8111 | ret = get_errno(safe_kill(arg1, target_to_host_signal(arg2))); |
31e31b8a | 8112 | break; |
704eff6c | 8113 | #ifdef TARGET_NR_rename |
31e31b8a | 8114 | case TARGET_NR_rename: |
53a5960a PB |
8115 | { |
8116 | void *p2; | |
8117 | p = lock_user_string(arg1); | |
8118 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
8119 | if (!p || !p2) |
8120 | ret = -TARGET_EFAULT; | |
8121 | else | |
8122 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
8123 | unlock_user(p2, arg2, 0); |
8124 | unlock_user(p, arg1, 0); | |
8125 | } | |
31e31b8a | 8126 | break; |
704eff6c | 8127 | #endif |
c0d472b1 | 8128 | #if defined(TARGET_NR_renameat) |
722183f6 | 8129 | case TARGET_NR_renameat: |
722183f6 | 8130 | { |
579a97f7 | 8131 | void *p2; |
722183f6 TS |
8132 | p = lock_user_string(arg2); |
8133 | p2 = lock_user_string(arg4); | |
579a97f7 | 8134 | if (!p || !p2) |
0da46a6e | 8135 | ret = -TARGET_EFAULT; |
722183f6 | 8136 | else |
c0d472b1 | 8137 | ret = get_errno(renameat(arg1, p, arg3, p2)); |
579a97f7 FB |
8138 | unlock_user(p2, arg4, 0); |
8139 | unlock_user(p, arg2, 0); | |
722183f6 TS |
8140 | } |
8141 | break; | |
8142 | #endif | |
704eff6c | 8143 | #ifdef TARGET_NR_mkdir |
31e31b8a | 8144 | case TARGET_NR_mkdir: |
579a97f7 FB |
8145 | if (!(p = lock_user_string(arg1))) |
8146 | goto efault; | |
53a5960a PB |
8147 | ret = get_errno(mkdir(p, arg2)); |
8148 | unlock_user(p, arg1, 0); | |
31e31b8a | 8149 | break; |
704eff6c | 8150 | #endif |
c0d472b1 | 8151 | #if defined(TARGET_NR_mkdirat) |
4472ad0d | 8152 | case TARGET_NR_mkdirat: |
579a97f7 FB |
8153 | if (!(p = lock_user_string(arg2))) |
8154 | goto efault; | |
c0d472b1 | 8155 | ret = get_errno(mkdirat(arg1, p, arg3)); |
579a97f7 | 8156 | unlock_user(p, arg2, 0); |
4472ad0d TS |
8157 | break; |
8158 | #endif | |
704eff6c | 8159 | #ifdef TARGET_NR_rmdir |
31e31b8a | 8160 | case TARGET_NR_rmdir: |
579a97f7 FB |
8161 | if (!(p = lock_user_string(arg1))) |
8162 | goto efault; | |
53a5960a PB |
8163 | ret = get_errno(rmdir(p)); |
8164 | unlock_user(p, arg1, 0); | |
31e31b8a | 8165 | break; |
704eff6c | 8166 | #endif |
31e31b8a FB |
8167 | case TARGET_NR_dup: |
8168 | ret = get_errno(dup(arg1)); | |
e36800c9 LV |
8169 | if (ret >= 0) { |
8170 | fd_trans_dup(arg1, ret); | |
8171 | } | |
31e31b8a | 8172 | break; |
704eff6c | 8173 | #ifdef TARGET_NR_pipe |
31e31b8a | 8174 | case TARGET_NR_pipe: |
fb41a66e | 8175 | ret = do_pipe(cpu_env, arg1, 0, 0); |
099d6b0f | 8176 | break; |
704eff6c | 8177 | #endif |
099d6b0f RV |
8178 | #ifdef TARGET_NR_pipe2 |
8179 | case TARGET_NR_pipe2: | |
e7ea6cbe RH |
8180 | ret = do_pipe(cpu_env, arg1, |
8181 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
31e31b8a | 8182 | break; |
099d6b0f | 8183 | #endif |
31e31b8a | 8184 | case TARGET_NR_times: |
32f36bce | 8185 | { |
53a5960a | 8186 | struct target_tms *tmsp; |
32f36bce FB |
8187 | struct tms tms; |
8188 | ret = get_errno(times(&tms)); | |
53a5960a | 8189 | if (arg1) { |
579a97f7 FB |
8190 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
8191 | if (!tmsp) | |
8192 | goto efault; | |
cbb21eed MB |
8193 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
8194 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
8195 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
8196 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 8197 | } |
c596ed17 FB |
8198 | if (!is_error(ret)) |
8199 | ret = host_to_target_clock_t(ret); | |
32f36bce FB |
8200 | } |
8201 | break; | |
ebc05488 | 8202 | #ifdef TARGET_NR_prof |
31e31b8a FB |
8203 | case TARGET_NR_prof: |
8204 | goto unimplemented; | |
ebc05488 | 8205 | #endif |
e5febef5 | 8206 | #ifdef TARGET_NR_signal |
31e31b8a FB |
8207 | case TARGET_NR_signal: |
8208 | goto unimplemented; | |
e5febef5 | 8209 | #endif |
31e31b8a | 8210 | case TARGET_NR_acct: |
38d840e6 AJ |
8211 | if (arg1 == 0) { |
8212 | ret = get_errno(acct(NULL)); | |
8213 | } else { | |
8214 | if (!(p = lock_user_string(arg1))) | |
8215 | goto efault; | |
8216 | ret = get_errno(acct(path(p))); | |
8217 | unlock_user(p, arg1, 0); | |
8218 | } | |
24836689 | 8219 | break; |
8070e7be | 8220 | #ifdef TARGET_NR_umount2 |
31e31b8a | 8221 | case TARGET_NR_umount2: |
579a97f7 FB |
8222 | if (!(p = lock_user_string(arg1))) |
8223 | goto efault; | |
53a5960a PB |
8224 | ret = get_errno(umount2(p, arg2)); |
8225 | unlock_user(p, arg1, 0); | |
31e31b8a | 8226 | break; |
7a3148a9 | 8227 | #endif |
ebc05488 | 8228 | #ifdef TARGET_NR_lock |
31e31b8a FB |
8229 | case TARGET_NR_lock: |
8230 | goto unimplemented; | |
ebc05488 | 8231 | #endif |
31e31b8a FB |
8232 | case TARGET_NR_ioctl: |
8233 | ret = do_ioctl(arg1, arg2, arg3); | |
8234 | break; | |
8235 | case TARGET_NR_fcntl: | |
9ee1fa2c | 8236 | ret = do_fcntl(arg1, arg2, arg3); |
31e31b8a | 8237 | break; |
ebc05488 | 8238 | #ifdef TARGET_NR_mpx |
31e31b8a FB |
8239 | case TARGET_NR_mpx: |
8240 | goto unimplemented; | |
ebc05488 | 8241 | #endif |
31e31b8a FB |
8242 | case TARGET_NR_setpgid: |
8243 | ret = get_errno(setpgid(arg1, arg2)); | |
8244 | break; | |
ebc05488 | 8245 | #ifdef TARGET_NR_ulimit |
31e31b8a FB |
8246 | case TARGET_NR_ulimit: |
8247 | goto unimplemented; | |
ebc05488 FB |
8248 | #endif |
8249 | #ifdef TARGET_NR_oldolduname | |
31e31b8a FB |
8250 | case TARGET_NR_oldolduname: |
8251 | goto unimplemented; | |
ebc05488 | 8252 | #endif |
31e31b8a FB |
8253 | case TARGET_NR_umask: |
8254 | ret = get_errno(umask(arg1)); | |
8255 | break; | |
8256 | case TARGET_NR_chroot: | |
579a97f7 FB |
8257 | if (!(p = lock_user_string(arg1))) |
8258 | goto efault; | |
53a5960a PB |
8259 | ret = get_errno(chroot(p)); |
8260 | unlock_user(p, arg1, 0); | |
31e31b8a | 8261 | break; |
704eff6c | 8262 | #ifdef TARGET_NR_ustat |
31e31b8a FB |
8263 | case TARGET_NR_ustat: |
8264 | goto unimplemented; | |
704eff6c CG |
8265 | #endif |
8266 | #ifdef TARGET_NR_dup2 | |
31e31b8a FB |
8267 | case TARGET_NR_dup2: |
8268 | ret = get_errno(dup2(arg1, arg2)); | |
e36800c9 LV |
8269 | if (ret >= 0) { |
8270 | fd_trans_dup(arg1, arg2); | |
8271 | } | |
31e31b8a | 8272 | break; |
704eff6c | 8273 | #endif |
d0927938 UH |
8274 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
8275 | case TARGET_NR_dup3: | |
8276 | ret = get_errno(dup3(arg1, arg2, arg3)); | |
e36800c9 LV |
8277 | if (ret >= 0) { |
8278 | fd_trans_dup(arg1, arg2); | |
8279 | } | |
d0927938 UH |
8280 | break; |
8281 | #endif | |
7a3148a9 | 8282 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a FB |
8283 | case TARGET_NR_getppid: |
8284 | ret = get_errno(getppid()); | |
8285 | break; | |
7a3148a9 | 8286 | #endif |
704eff6c | 8287 | #ifdef TARGET_NR_getpgrp |
31e31b8a FB |
8288 | case TARGET_NR_getpgrp: |
8289 | ret = get_errno(getpgrp()); | |
8290 | break; | |
704eff6c | 8291 | #endif |
31e31b8a FB |
8292 | case TARGET_NR_setsid: |
8293 | ret = get_errno(setsid()); | |
8294 | break; | |
e5febef5 | 8295 | #ifdef TARGET_NR_sigaction |
31e31b8a | 8296 | case TARGET_NR_sigaction: |
31e31b8a | 8297 | { |
6049f4f8 RH |
8298 | #if defined(TARGET_ALPHA) |
8299 | struct target_sigaction act, oact, *pact = 0; | |
53a5960a | 8300 | struct target_old_sigaction *old_act; |
53a5960a | 8301 | if (arg2) { |
579a97f7 FB |
8302 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
8303 | goto efault; | |
66fb9763 FB |
8304 | act._sa_handler = old_act->_sa_handler; |
8305 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
8306 | act.sa_flags = old_act->sa_flags; | |
6049f4f8 | 8307 | act.sa_restorer = 0; |
53a5960a | 8308 | unlock_user_struct(old_act, arg2, 0); |
66fb9763 | 8309 | pact = &act; |
66fb9763 FB |
8310 | } |
8311 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
53a5960a | 8312 | if (!is_error(ret) && arg3) { |
579a97f7 FB |
8313 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
8314 | goto efault; | |
53a5960a PB |
8315 | old_act->_sa_handler = oact._sa_handler; |
8316 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
8317 | old_act->sa_flags = oact.sa_flags; | |
53a5960a | 8318 | unlock_user_struct(old_act, arg3, 1); |
66fb9763 | 8319 | } |
6049f4f8 | 8320 | #elif defined(TARGET_MIPS) |
106ec879 FB |
8321 | struct target_sigaction act, oact, *pact, *old_act; |
8322 | ||
8323 | if (arg2) { | |
579a97f7 FB |
8324 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
8325 | goto efault; | |
106ec879 FB |
8326 | act._sa_handler = old_act->_sa_handler; |
8327 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
8328 | act.sa_flags = old_act->sa_flags; | |
8329 | unlock_user_struct(old_act, arg2, 0); | |
8330 | pact = &act; | |
8331 | } else { | |
8332 | pact = NULL; | |
8333 | } | |
8334 | ||
8335 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
8336 | ||
8337 | if (!is_error(ret) && arg3) { | |
579a97f7 FB |
8338 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
8339 | goto efault; | |
106ec879 FB |
8340 | old_act->_sa_handler = oact._sa_handler; |
8341 | old_act->sa_flags = oact.sa_flags; | |
8342 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
8343 | old_act->sa_mask.sig[1] = 0; | |
8344 | old_act->sa_mask.sig[2] = 0; | |
8345 | old_act->sa_mask.sig[3] = 0; | |
8346 | unlock_user_struct(old_act, arg3, 1); | |
8347 | } | |
6049f4f8 RH |
8348 | #else |
8349 | struct target_old_sigaction *old_act; | |
8350 | struct target_sigaction act, oact, *pact; | |
8351 | if (arg2) { | |
8352 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
8353 | goto efault; | |
8354 | act._sa_handler = old_act->_sa_handler; | |
8355 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
8356 | act.sa_flags = old_act->sa_flags; | |
8357 | act.sa_restorer = old_act->sa_restorer; | |
8358 | unlock_user_struct(old_act, arg2, 0); | |
8359 | pact = &act; | |
8360 | } else { | |
8361 | pact = NULL; | |
8362 | } | |
8363 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
8364 | if (!is_error(ret) && arg3) { | |
8365 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
8366 | goto efault; | |
8367 | old_act->_sa_handler = oact._sa_handler; | |
8368 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
8369 | old_act->sa_flags = oact.sa_flags; | |
8370 | old_act->sa_restorer = oact.sa_restorer; | |
8371 | unlock_user_struct(old_act, arg3, 1); | |
8372 | } | |
388bb21a | 8373 | #endif |
31e31b8a FB |
8374 | } |
8375 | break; | |
e5febef5 | 8376 | #endif |
66fb9763 | 8377 | case TARGET_NR_rt_sigaction: |
53a5960a | 8378 | { |
6049f4f8 RH |
8379 | #if defined(TARGET_ALPHA) |
8380 | struct target_sigaction act, oact, *pact = 0; | |
8381 | struct target_rt_sigaction *rt_act; | |
c815701e PM |
8382 | |
8383 | if (arg4 != sizeof(target_sigset_t)) { | |
8384 | ret = -TARGET_EINVAL; | |
8385 | break; | |
8386 | } | |
6049f4f8 RH |
8387 | if (arg2) { |
8388 | if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) | |
8389 | goto efault; | |
8390 | act._sa_handler = rt_act->_sa_handler; | |
8391 | act.sa_mask = rt_act->sa_mask; | |
8392 | act.sa_flags = rt_act->sa_flags; | |
8393 | act.sa_restorer = arg5; | |
8394 | unlock_user_struct(rt_act, arg2, 0); | |
8395 | pact = &act; | |
8396 | } | |
8397 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
8398 | if (!is_error(ret) && arg3) { | |
8399 | if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) | |
8400 | goto efault; | |
8401 | rt_act->_sa_handler = oact._sa_handler; | |
8402 | rt_act->sa_mask = oact.sa_mask; | |
8403 | rt_act->sa_flags = oact.sa_flags; | |
8404 | unlock_user_struct(rt_act, arg3, 1); | |
8405 | } | |
8406 | #else | |
53a5960a PB |
8407 | struct target_sigaction *act; |
8408 | struct target_sigaction *oact; | |
8409 | ||
c815701e PM |
8410 | if (arg4 != sizeof(target_sigset_t)) { |
8411 | ret = -TARGET_EINVAL; | |
8412 | break; | |
8413 | } | |
579a97f7 FB |
8414 | if (arg2) { |
8415 | if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) | |
8416 | goto efault; | |
8417 | } else | |
53a5960a | 8418 | act = NULL; |
579a97f7 FB |
8419 | if (arg3) { |
8420 | if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { | |
8421 | ret = -TARGET_EFAULT; | |
8422 | goto rt_sigaction_fail; | |
8423 | } | |
8424 | } else | |
53a5960a PB |
8425 | oact = NULL; |
8426 | ret = get_errno(do_sigaction(arg1, act, oact)); | |
579a97f7 FB |
8427 | rt_sigaction_fail: |
8428 | if (act) | |
53a5960a | 8429 | unlock_user_struct(act, arg2, 0); |
579a97f7 | 8430 | if (oact) |
53a5960a | 8431 | unlock_user_struct(oact, arg3, 1); |
6049f4f8 | 8432 | #endif |
53a5960a | 8433 | } |
66fb9763 | 8434 | break; |
7a3148a9 | 8435 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 8436 | case TARGET_NR_sgetmask: |
66fb9763 FB |
8437 | { |
8438 | sigset_t cur_set; | |
992f48a0 | 8439 | abi_ulong target_set; |
3d3efba0 PM |
8440 | ret = do_sigprocmask(0, NULL, &cur_set); |
8441 | if (!ret) { | |
8442 | host_to_target_old_sigset(&target_set, &cur_set); | |
8443 | ret = target_set; | |
8444 | } | |
66fb9763 FB |
8445 | } |
8446 | break; | |
7a3148a9 JM |
8447 | #endif |
8448 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 8449 | case TARGET_NR_ssetmask: |
66fb9763 FB |
8450 | { |
8451 | sigset_t set, oset, cur_set; | |
992f48a0 | 8452 | abi_ulong target_set = arg1; |
3d3efba0 PM |
8453 | /* We only have one word of the new mask so we must read |
8454 | * the rest of it with do_sigprocmask() and OR in this word. | |
8455 | * We are guaranteed that a do_sigprocmask() that only queries | |
8456 | * the signal mask will not fail. | |
8457 | */ | |
8458 | ret = do_sigprocmask(0, NULL, &cur_set); | |
8459 | assert(!ret); | |
66fb9763 FB |
8460 | target_to_host_old_sigset(&set, &target_set); |
8461 | sigorset(&set, &set, &cur_set); | |
3d3efba0 PM |
8462 | ret = do_sigprocmask(SIG_SETMASK, &set, &oset); |
8463 | if (!ret) { | |
8464 | host_to_target_old_sigset(&target_set, &oset); | |
8465 | ret = target_set; | |
8466 | } | |
66fb9763 FB |
8467 | } |
8468 | break; | |
7a3148a9 | 8469 | #endif |
e5febef5 | 8470 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
8471 | case TARGET_NR_sigprocmask: |
8472 | { | |
a5b3b13b RH |
8473 | #if defined(TARGET_ALPHA) |
8474 | sigset_t set, oldset; | |
8475 | abi_ulong mask; | |
8476 | int how; | |
8477 | ||
8478 | switch (arg1) { | |
8479 | case TARGET_SIG_BLOCK: | |
8480 | how = SIG_BLOCK; | |
8481 | break; | |
8482 | case TARGET_SIG_UNBLOCK: | |
8483 | how = SIG_UNBLOCK; | |
8484 | break; | |
8485 | case TARGET_SIG_SETMASK: | |
8486 | how = SIG_SETMASK; | |
8487 | break; | |
8488 | default: | |
8489 | ret = -TARGET_EINVAL; | |
8490 | goto fail; | |
8491 | } | |
8492 | mask = arg2; | |
8493 | target_to_host_old_sigset(&set, &mask); | |
8494 | ||
3d3efba0 | 8495 | ret = do_sigprocmask(how, &set, &oldset); |
a5b3b13b RH |
8496 | if (!is_error(ret)) { |
8497 | host_to_target_old_sigset(&mask, &oldset); | |
8498 | ret = mask; | |
0229f5a3 | 8499 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
8500 | } |
8501 | #else | |
66fb9763 | 8502 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 8503 | int how; |
3b46e624 | 8504 | |
53a5960a | 8505 | if (arg2) { |
a5b3b13b | 8506 | switch (arg1) { |
66fb9763 FB |
8507 | case TARGET_SIG_BLOCK: |
8508 | how = SIG_BLOCK; | |
8509 | break; | |
8510 | case TARGET_SIG_UNBLOCK: | |
8511 | how = SIG_UNBLOCK; | |
8512 | break; | |
8513 | case TARGET_SIG_SETMASK: | |
8514 | how = SIG_SETMASK; | |
8515 | break; | |
8516 | default: | |
0da46a6e | 8517 | ret = -TARGET_EINVAL; |
66fb9763 FB |
8518 | goto fail; |
8519 | } | |
c227f099 | 8520 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
579a97f7 | 8521 | goto efault; |
53a5960a PB |
8522 | target_to_host_old_sigset(&set, p); |
8523 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
8524 | set_ptr = &set; |
8525 | } else { | |
8526 | how = 0; | |
8527 | set_ptr = NULL; | |
8528 | } | |
3d3efba0 | 8529 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 8530 | if (!is_error(ret) && arg3) { |
c227f099 | 8531 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
579a97f7 | 8532 | goto efault; |
53a5960a | 8533 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 8534 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 8535 | } |
a5b3b13b | 8536 | #endif |
66fb9763 FB |
8537 | } |
8538 | break; | |
e5febef5 | 8539 | #endif |
66fb9763 FB |
8540 | case TARGET_NR_rt_sigprocmask: |
8541 | { | |
8542 | int how = arg1; | |
8543 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 8544 | |
c815701e PM |
8545 | if (arg4 != sizeof(target_sigset_t)) { |
8546 | ret = -TARGET_EINVAL; | |
8547 | break; | |
8548 | } | |
8549 | ||
53a5960a | 8550 | if (arg2) { |
66fb9763 FB |
8551 | switch(how) { |
8552 | case TARGET_SIG_BLOCK: | |
8553 | how = SIG_BLOCK; | |
8554 | break; | |
8555 | case TARGET_SIG_UNBLOCK: | |
8556 | how = SIG_UNBLOCK; | |
8557 | break; | |
8558 | case TARGET_SIG_SETMASK: | |
8559 | how = SIG_SETMASK; | |
8560 | break; | |
8561 | default: | |
0da46a6e | 8562 | ret = -TARGET_EINVAL; |
66fb9763 FB |
8563 | goto fail; |
8564 | } | |
c227f099 | 8565 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
579a97f7 | 8566 | goto efault; |
53a5960a PB |
8567 | target_to_host_sigset(&set, p); |
8568 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
8569 | set_ptr = &set; |
8570 | } else { | |
8571 | how = 0; | |
8572 | set_ptr = NULL; | |
8573 | } | |
3d3efba0 | 8574 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 8575 | if (!is_error(ret) && arg3) { |
c227f099 | 8576 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
579a97f7 | 8577 | goto efault; |
53a5960a | 8578 | host_to_target_sigset(p, &oldset); |
c227f099 | 8579 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
8580 | } |
8581 | } | |
8582 | break; | |
e5febef5 | 8583 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
8584 | case TARGET_NR_sigpending: |
8585 | { | |
8586 | sigset_t set; | |
8587 | ret = get_errno(sigpending(&set)); | |
8588 | if (!is_error(ret)) { | |
c227f099 | 8589 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
579a97f7 | 8590 | goto efault; |
53a5960a | 8591 | host_to_target_old_sigset(p, &set); |
c227f099 | 8592 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
8593 | } |
8594 | } | |
8595 | break; | |
e5febef5 | 8596 | #endif |
66fb9763 FB |
8597 | case TARGET_NR_rt_sigpending: |
8598 | { | |
8599 | sigset_t set; | |
c815701e PM |
8600 | |
8601 | /* Yes, this check is >, not != like most. We follow the kernel's | |
8602 | * logic and it does it like this because it implements | |
8603 | * NR_sigpending through the same code path, and in that case | |
8604 | * the old_sigset_t is smaller in size. | |
8605 | */ | |
8606 | if (arg2 > sizeof(target_sigset_t)) { | |
8607 | ret = -TARGET_EINVAL; | |
8608 | break; | |
8609 | } | |
8610 | ||
66fb9763 FB |
8611 | ret = get_errno(sigpending(&set)); |
8612 | if (!is_error(ret)) { | |
c227f099 | 8613 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
579a97f7 | 8614 | goto efault; |
53a5960a | 8615 | host_to_target_sigset(p, &set); |
c227f099 | 8616 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
8617 | } |
8618 | } | |
8619 | break; | |
e5febef5 | 8620 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
8621 | case TARGET_NR_sigsuspend: |
8622 | { | |
3d3efba0 | 8623 | TaskState *ts = cpu->opaque; |
f43ce12b RH |
8624 | #if defined(TARGET_ALPHA) |
8625 | abi_ulong mask = arg1; | |
3d3efba0 | 8626 | target_to_host_old_sigset(&ts->sigsuspend_mask, &mask); |
f43ce12b | 8627 | #else |
c227f099 | 8628 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 8629 | goto efault; |
3d3efba0 | 8630 | target_to_host_old_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 8631 | unlock_user(p, arg1, 0); |
f43ce12b | 8632 | #endif |
3d3efba0 PM |
8633 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
8634 | SIGSET_T_SIZE)); | |
8635 | if (ret != -TARGET_ERESTARTSYS) { | |
8636 | ts->in_sigsuspend = 1; | |
8637 | } | |
66fb9763 FB |
8638 | } |
8639 | break; | |
e5febef5 | 8640 | #endif |
66fb9763 FB |
8641 | case TARGET_NR_rt_sigsuspend: |
8642 | { | |
3d3efba0 | 8643 | TaskState *ts = cpu->opaque; |
c815701e PM |
8644 | |
8645 | if (arg2 != sizeof(target_sigset_t)) { | |
8646 | ret = -TARGET_EINVAL; | |
8647 | break; | |
8648 | } | |
c227f099 | 8649 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 8650 | goto efault; |
3d3efba0 | 8651 | target_to_host_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 8652 | unlock_user(p, arg1, 0); |
3d3efba0 PM |
8653 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
8654 | SIGSET_T_SIZE)); | |
8655 | if (ret != -TARGET_ERESTARTSYS) { | |
8656 | ts->in_sigsuspend = 1; | |
8657 | } | |
66fb9763 FB |
8658 | } |
8659 | break; | |
8660 | case TARGET_NR_rt_sigtimedwait: | |
8661 | { | |
66fb9763 FB |
8662 | sigset_t set; |
8663 | struct timespec uts, *puts; | |
8664 | siginfo_t uinfo; | |
3b46e624 | 8665 | |
c815701e PM |
8666 | if (arg4 != sizeof(target_sigset_t)) { |
8667 | ret = -TARGET_EINVAL; | |
8668 | break; | |
8669 | } | |
8670 | ||
c227f099 | 8671 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 8672 | goto efault; |
53a5960a PB |
8673 | target_to_host_sigset(&set, p); |
8674 | unlock_user(p, arg1, 0); | |
8675 | if (arg3) { | |
66fb9763 | 8676 | puts = &uts; |
53a5960a | 8677 | target_to_host_timespec(puts, arg3); |
66fb9763 FB |
8678 | } else { |
8679 | puts = NULL; | |
8680 | } | |
b3f82330 PM |
8681 | ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts, |
8682 | SIGSET_T_SIZE)); | |
974a196d PJ |
8683 | if (!is_error(ret)) { |
8684 | if (arg2) { | |
8685 | p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), | |
8686 | 0); | |
8687 | if (!p) { | |
8688 | goto efault; | |
8689 | } | |
8690 | host_to_target_siginfo(p, &uinfo); | |
8691 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
8692 | } | |
8693 | ret = host_to_target_signal(ret); | |
66fb9763 FB |
8694 | } |
8695 | } | |
8696 | break; | |
8697 | case TARGET_NR_rt_sigqueueinfo: | |
8698 | { | |
8699 | siginfo_t uinfo; | |
4debae6f PM |
8700 | |
8701 | p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); | |
8702 | if (!p) { | |
579a97f7 | 8703 | goto efault; |
4debae6f | 8704 | } |
53a5960a PB |
8705 | target_to_host_siginfo(&uinfo, p); |
8706 | unlock_user(p, arg1, 0); | |
66fb9763 FB |
8707 | ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
8708 | } | |
8709 | break; | |
e5febef5 | 8710 | #ifdef TARGET_NR_sigreturn |
66fb9763 | 8711 | case TARGET_NR_sigreturn: |
3d3efba0 PM |
8712 | if (block_signals()) { |
8713 | ret = -TARGET_ERESTARTSYS; | |
8714 | } else { | |
8715 | ret = do_sigreturn(cpu_env); | |
8716 | } | |
66fb9763 | 8717 | break; |
e5febef5 | 8718 | #endif |
66fb9763 | 8719 | case TARGET_NR_rt_sigreturn: |
3d3efba0 PM |
8720 | if (block_signals()) { |
8721 | ret = -TARGET_ERESTARTSYS; | |
8722 | } else { | |
8723 | ret = do_rt_sigreturn(cpu_env); | |
8724 | } | |
66fb9763 | 8725 | break; |
31e31b8a | 8726 | case TARGET_NR_sethostname: |
579a97f7 FB |
8727 | if (!(p = lock_user_string(arg1))) |
8728 | goto efault; | |
53a5960a PB |
8729 | ret = get_errno(sethostname(p, arg2)); |
8730 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
8731 | break; |
8732 | case TARGET_NR_setrlimit: | |
9de5e440 | 8733 | { |
e22b7015 | 8734 | int resource = target_to_host_resource(arg1); |
53a5960a | 8735 | struct target_rlimit *target_rlim; |
9de5e440 | 8736 | struct rlimit rlim; |
579a97f7 FB |
8737 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
8738 | goto efault; | |
81bbe906 TY |
8739 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
8740 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 8741 | unlock_user_struct(target_rlim, arg2, 0); |
9de5e440 FB |
8742 | ret = get_errno(setrlimit(resource, &rlim)); |
8743 | } | |
8744 | break; | |
31e31b8a | 8745 | case TARGET_NR_getrlimit: |
9de5e440 | 8746 | { |
e22b7015 | 8747 | int resource = target_to_host_resource(arg1); |
53a5960a | 8748 | struct target_rlimit *target_rlim; |
9de5e440 | 8749 | struct rlimit rlim; |
3b46e624 | 8750 | |
9de5e440 FB |
8751 | ret = get_errno(getrlimit(resource, &rlim)); |
8752 | if (!is_error(ret)) { | |
579a97f7 FB |
8753 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
8754 | goto efault; | |
81bbe906 TY |
8755 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
8756 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 8757 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
8758 | } |
8759 | } | |
8760 | break; | |
31e31b8a | 8761 | case TARGET_NR_getrusage: |
b409186b FB |
8762 | { |
8763 | struct rusage rusage; | |
b409186b FB |
8764 | ret = get_errno(getrusage(arg1, &rusage)); |
8765 | if (!is_error(ret)) { | |
a39fb273 | 8766 | ret = host_to_target_rusage(arg2, &rusage); |
b409186b FB |
8767 | } |
8768 | } | |
8769 | break; | |
31e31b8a FB |
8770 | case TARGET_NR_gettimeofday: |
8771 | { | |
31e31b8a FB |
8772 | struct timeval tv; |
8773 | ret = get_errno(gettimeofday(&tv, NULL)); | |
8774 | if (!is_error(ret)) { | |
788f5ec4 TS |
8775 | if (copy_to_user_timeval(arg1, &tv)) |
8776 | goto efault; | |
31e31b8a FB |
8777 | } |
8778 | } | |
8779 | break; | |
8780 | case TARGET_NR_settimeofday: | |
8781 | { | |
b67d8031 | 8782 | struct timeval tv, *ptv = NULL; |
ef4467e9 PB |
8783 | struct timezone tz, *ptz = NULL; |
8784 | ||
b67d8031 PB |
8785 | if (arg1) { |
8786 | if (copy_from_user_timeval(&tv, arg1)) { | |
8787 | goto efault; | |
8788 | } | |
8789 | ptv = &tv; | |
8790 | } | |
ef4467e9 PB |
8791 | |
8792 | if (arg2) { | |
8793 | if (copy_from_user_timezone(&tz, arg2)) { | |
8794 | goto efault; | |
8795 | } | |
8796 | ptz = &tz; | |
8797 | } | |
8798 | ||
b67d8031 | 8799 | ret = get_errno(settimeofday(ptv, ptz)); |
31e31b8a FB |
8800 | } |
8801 | break; | |
9468a5d4 | 8802 | #if defined(TARGET_NR_select) |
31e31b8a | 8803 | case TARGET_NR_select: |
5457dc9e LV |
8804 | #if defined(TARGET_WANT_NI_OLD_SELECT) |
8805 | /* some architectures used to have old_select here | |
8806 | * but now ENOSYS it. | |
8807 | */ | |
8808 | ret = -TARGET_ENOSYS; | |
8809 | #elif defined(TARGET_WANT_OLD_SYS_SELECT) | |
8810 | ret = do_old_select(arg1); | |
9468a5d4 | 8811 | #else |
5457dc9e | 8812 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
9468a5d4 | 8813 | #endif |
f2674e31 | 8814 | break; |
9e42382f RV |
8815 | #endif |
8816 | #ifdef TARGET_NR_pselect6 | |
8817 | case TARGET_NR_pselect6: | |
055e0906 MF |
8818 | { |
8819 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
8820 | fd_set rfds, wfds, efds; | |
8821 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
8822 | struct timespec ts, *ts_ptr; | |
8823 | ||
8824 | /* | |
8825 | * The 6th arg is actually two args smashed together, | |
8826 | * so we cannot use the C library. | |
8827 | */ | |
8828 | sigset_t set; | |
8829 | struct { | |
8830 | sigset_t *set; | |
8831 | size_t size; | |
8832 | } sig, *sig_ptr; | |
8833 | ||
8834 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
8835 | target_sigset_t *target_sigset; | |
8836 | ||
8837 | n = arg1; | |
8838 | rfd_addr = arg2; | |
8839 | wfd_addr = arg3; | |
8840 | efd_addr = arg4; | |
8841 | ts_addr = arg5; | |
8842 | ||
8843 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
8844 | if (ret) { | |
8845 | goto fail; | |
8846 | } | |
8847 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
8848 | if (ret) { | |
8849 | goto fail; | |
8850 | } | |
8851 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
8852 | if (ret) { | |
8853 | goto fail; | |
8854 | } | |
8855 | ||
8856 | /* | |
8857 | * This takes a timespec, and not a timeval, so we cannot | |
8858 | * use the do_select() helper ... | |
8859 | */ | |
8860 | if (ts_addr) { | |
8861 | if (target_to_host_timespec(&ts, ts_addr)) { | |
8862 | goto efault; | |
8863 | } | |
8864 | ts_ptr = &ts; | |
8865 | } else { | |
8866 | ts_ptr = NULL; | |
8867 | } | |
8868 | ||
8869 | /* Extract the two packed args for the sigset */ | |
8870 | if (arg6) { | |
8871 | sig_ptr = &sig; | |
b28a1f33 | 8872 | sig.size = SIGSET_T_SIZE; |
055e0906 MF |
8873 | |
8874 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); | |
8875 | if (!arg7) { | |
8876 | goto efault; | |
8877 | } | |
cbb21eed MB |
8878 | arg_sigset = tswapal(arg7[0]); |
8879 | arg_sigsize = tswapal(arg7[1]); | |
055e0906 MF |
8880 | unlock_user(arg7, arg6, 0); |
8881 | ||
8882 | if (arg_sigset) { | |
8883 | sig.set = &set; | |
8f04eeb3 PM |
8884 | if (arg_sigsize != sizeof(*target_sigset)) { |
8885 | /* Like the kernel, we enforce correct size sigsets */ | |
8886 | ret = -TARGET_EINVAL; | |
8887 | goto fail; | |
8888 | } | |
055e0906 MF |
8889 | target_sigset = lock_user(VERIFY_READ, arg_sigset, |
8890 | sizeof(*target_sigset), 1); | |
8891 | if (!target_sigset) { | |
8892 | goto efault; | |
8893 | } | |
8894 | target_to_host_sigset(&set, target_sigset); | |
8895 | unlock_user(target_sigset, arg_sigset, 0); | |
8896 | } else { | |
8897 | sig.set = NULL; | |
8898 | } | |
8899 | } else { | |
8900 | sig_ptr = NULL; | |
8901 | } | |
8902 | ||
6df9d38d PM |
8903 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
8904 | ts_ptr, sig_ptr)); | |
055e0906 MF |
8905 | |
8906 | if (!is_error(ret)) { | |
8907 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
8908 | goto efault; | |
8909 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
8910 | goto efault; | |
8911 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
8912 | goto efault; | |
8913 | ||
8914 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) | |
8915 | goto efault; | |
8916 | } | |
8917 | } | |
8918 | break; | |
048f6b4d | 8919 | #endif |
704eff6c | 8920 | #ifdef TARGET_NR_symlink |
31e31b8a | 8921 | case TARGET_NR_symlink: |
53a5960a PB |
8922 | { |
8923 | void *p2; | |
8924 | p = lock_user_string(arg1); | |
8925 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
8926 | if (!p || !p2) |
8927 | ret = -TARGET_EFAULT; | |
8928 | else | |
8929 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
8930 | unlock_user(p2, arg2, 0); |
8931 | unlock_user(p, arg1, 0); | |
8932 | } | |
31e31b8a | 8933 | break; |
704eff6c | 8934 | #endif |
c0d472b1 | 8935 | #if defined(TARGET_NR_symlinkat) |
f0b6243d | 8936 | case TARGET_NR_symlinkat: |
f0b6243d | 8937 | { |
579a97f7 | 8938 | void *p2; |
f0b6243d TS |
8939 | p = lock_user_string(arg1); |
8940 | p2 = lock_user_string(arg3); | |
579a97f7 | 8941 | if (!p || !p2) |
0da46a6e | 8942 | ret = -TARGET_EFAULT; |
f0b6243d | 8943 | else |
c0d472b1 | 8944 | ret = get_errno(symlinkat(p, arg2, p2)); |
579a97f7 FB |
8945 | unlock_user(p2, arg3, 0); |
8946 | unlock_user(p, arg1, 0); | |
f0b6243d TS |
8947 | } |
8948 | break; | |
8949 | #endif | |
ebc05488 | 8950 | #ifdef TARGET_NR_oldlstat |
31e31b8a FB |
8951 | case TARGET_NR_oldlstat: |
8952 | goto unimplemented; | |
ebc05488 | 8953 | #endif |
704eff6c | 8954 | #ifdef TARGET_NR_readlink |
31e31b8a | 8955 | case TARGET_NR_readlink: |
53a5960a | 8956 | { |
463d8e73 | 8957 | void *p2; |
53a5960a | 8958 | p = lock_user_string(arg1); |
579a97f7 | 8959 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
463d8e73 | 8960 | if (!p || !p2) { |
579a97f7 | 8961 | ret = -TARGET_EFAULT; |
f17f4989 MF |
8962 | } else if (!arg3) { |
8963 | /* Short circuit this for the magic exe check. */ | |
8964 | ret = -TARGET_EINVAL; | |
463d8e73 AS |
8965 | } else if (is_proc_myself((const char *)p, "exe")) { |
8966 | char real[PATH_MAX], *temp; | |
8967 | temp = realpath(exec_path, real); | |
f17f4989 MF |
8968 | /* Return value is # of bytes that we wrote to the buffer. */ |
8969 | if (temp == NULL) { | |
8970 | ret = get_errno(-1); | |
8971 | } else { | |
8972 | /* Don't worry about sign mismatch as earlier mapping | |
8973 | * logic would have thrown a bad address error. */ | |
8974 | ret = MIN(strlen(real), arg3); | |
8975 | /* We cannot NUL terminate the string. */ | |
8976 | memcpy(p2, real, ret); | |
8977 | } | |
463d8e73 AS |
8978 | } else { |
8979 | ret = get_errno(readlink(path(p), p2, arg3)); | |
d088d664 | 8980 | } |
53a5960a PB |
8981 | unlock_user(p2, arg2, ret); |
8982 | unlock_user(p, arg1, 0); | |
8983 | } | |
31e31b8a | 8984 | break; |
704eff6c | 8985 | #endif |
c0d472b1 | 8986 | #if defined(TARGET_NR_readlinkat) |
5e0ccb18 | 8987 | case TARGET_NR_readlinkat: |
5e0ccb18 | 8988 | { |
579a97f7 | 8989 | void *p2; |
5e0ccb18 | 8990 | p = lock_user_string(arg2); |
579a97f7 | 8991 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
463d8e73 AS |
8992 | if (!p || !p2) { |
8993 | ret = -TARGET_EFAULT; | |
8994 | } else if (is_proc_myself((const char *)p, "exe")) { | |
8995 | char real[PATH_MAX], *temp; | |
8996 | temp = realpath(exec_path, real); | |
8997 | ret = temp == NULL ? get_errno(-1) : strlen(real) ; | |
8998 | snprintf((char *)p2, arg4, "%s", real); | |
8999 | } else { | |
c0d472b1 | 9000 | ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
463d8e73 | 9001 | } |
579a97f7 FB |
9002 | unlock_user(p2, arg3, ret); |
9003 | unlock_user(p, arg2, 0); | |
5e0ccb18 TS |
9004 | } |
9005 | break; | |
9006 | #endif | |
e5febef5 | 9007 | #ifdef TARGET_NR_uselib |
31e31b8a FB |
9008 | case TARGET_NR_uselib: |
9009 | goto unimplemented; | |
e5febef5 TS |
9010 | #endif |
9011 | #ifdef TARGET_NR_swapon | |
31e31b8a | 9012 | case TARGET_NR_swapon: |
579a97f7 FB |
9013 | if (!(p = lock_user_string(arg1))) |
9014 | goto efault; | |
53a5960a PB |
9015 | ret = get_errno(swapon(p, arg2)); |
9016 | unlock_user(p, arg1, 0); | |
31e31b8a | 9017 | break; |
e5febef5 | 9018 | #endif |
31e31b8a | 9019 | case TARGET_NR_reboot: |
c07ecc68 LV |
9020 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
9021 | /* arg4 must be ignored in all other cases */ | |
9022 | p = lock_user_string(arg4); | |
9023 | if (!p) { | |
9024 | goto efault; | |
9025 | } | |
9026 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
9027 | unlock_user(p, arg4, 0); | |
9028 | } else { | |
9029 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
9030 | } | |
0f6b4d21 | 9031 | break; |
e5febef5 | 9032 | #ifdef TARGET_NR_readdir |
31e31b8a FB |
9033 | case TARGET_NR_readdir: |
9034 | goto unimplemented; | |
e5febef5 TS |
9035 | #endif |
9036 | #ifdef TARGET_NR_mmap | |
31e31b8a | 9037 | case TARGET_NR_mmap: |
09701199 AG |
9038 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
9039 | (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ | |
a4c075f1 UH |
9040 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
9041 | || defined(TARGET_S390X) | |
31e31b8a | 9042 | { |
992f48a0 BS |
9043 | abi_ulong *v; |
9044 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 FB |
9045 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
9046 | goto efault; | |
cbb21eed MB |
9047 | v1 = tswapal(v[0]); |
9048 | v2 = tswapal(v[1]); | |
9049 | v3 = tswapal(v[2]); | |
9050 | v4 = tswapal(v[3]); | |
9051 | v5 = tswapal(v[4]); | |
9052 | v6 = tswapal(v[5]); | |
53a5960a | 9053 | unlock_user(v, arg1, 0); |
5fafdf24 | 9054 | ret = get_errno(target_mmap(v1, v2, v3, |
5286db75 FB |
9055 | target_to_host_bitmask(v4, mmap_flags_tbl), |
9056 | v5, v6)); | |
31e31b8a | 9057 | } |
31e31b8a | 9058 | #else |
5fafdf24 TS |
9059 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
9060 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
6fb883e8 FB |
9061 | arg5, |
9062 | arg6)); | |
31e31b8a | 9063 | #endif |
6fb883e8 | 9064 | break; |
e5febef5 | 9065 | #endif |
a315a145 | 9066 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 9067 | case TARGET_NR_mmap2: |
bb7ec043 | 9068 | #ifndef MMAP_SHIFT |
c573ff67 | 9069 | #define MMAP_SHIFT 12 |
c573ff67 | 9070 | #endif |
5fafdf24 TS |
9071 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
9072 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
5286db75 | 9073 | arg5, |
c573ff67 | 9074 | arg6 << MMAP_SHIFT)); |
31e31b8a | 9075 | break; |
a315a145 | 9076 | #endif |
31e31b8a | 9077 | case TARGET_NR_munmap: |
54936004 | 9078 | ret = get_errno(target_munmap(arg1, arg2)); |
31e31b8a | 9079 | break; |
9de5e440 | 9080 | case TARGET_NR_mprotect: |
97374d38 | 9081 | { |
0429a971 | 9082 | TaskState *ts = cpu->opaque; |
97374d38 PB |
9083 | /* Special hack to detect libc making the stack executable. */ |
9084 | if ((arg3 & PROT_GROWSDOWN) | |
9085 | && arg1 >= ts->info->stack_limit | |
9086 | && arg1 <= ts->info->start_stack) { | |
9087 | arg3 &= ~PROT_GROWSDOWN; | |
9088 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
9089 | arg1 = ts->info->stack_limit; | |
9090 | } | |
9091 | } | |
54936004 | 9092 | ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
9de5e440 | 9093 | break; |
e5febef5 | 9094 | #ifdef TARGET_NR_mremap |
9de5e440 | 9095 | case TARGET_NR_mremap: |
54936004 | 9096 | ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
9de5e440 | 9097 | break; |
e5febef5 | 9098 | #endif |
53a5960a | 9099 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 9100 | #ifdef TARGET_NR_msync |
9de5e440 | 9101 | case TARGET_NR_msync: |
53a5960a | 9102 | ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
9de5e440 | 9103 | break; |
e5febef5 TS |
9104 | #endif |
9105 | #ifdef TARGET_NR_mlock | |
9de5e440 | 9106 | case TARGET_NR_mlock: |
53a5960a | 9107 | ret = get_errno(mlock(g2h(arg1), arg2)); |
9de5e440 | 9108 | break; |
e5febef5 TS |
9109 | #endif |
9110 | #ifdef TARGET_NR_munlock | |
9de5e440 | 9111 | case TARGET_NR_munlock: |
53a5960a | 9112 | ret = get_errno(munlock(g2h(arg1), arg2)); |
9de5e440 | 9113 | break; |
e5febef5 TS |
9114 | #endif |
9115 | #ifdef TARGET_NR_mlockall | |
9de5e440 | 9116 | case TARGET_NR_mlockall: |
6f6a4032 | 9117 | ret = get_errno(mlockall(target_to_host_mlockall_arg(arg1))); |
9de5e440 | 9118 | break; |
e5febef5 TS |
9119 | #endif |
9120 | #ifdef TARGET_NR_munlockall | |
9de5e440 FB |
9121 | case TARGET_NR_munlockall: |
9122 | ret = get_errno(munlockall()); | |
9123 | break; | |
e5febef5 | 9124 | #endif |
31e31b8a | 9125 | case TARGET_NR_truncate: |
579a97f7 FB |
9126 | if (!(p = lock_user_string(arg1))) |
9127 | goto efault; | |
53a5960a PB |
9128 | ret = get_errno(truncate(p, arg2)); |
9129 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
9130 | break; |
9131 | case TARGET_NR_ftruncate: | |
9132 | ret = get_errno(ftruncate(arg1, arg2)); | |
9133 | break; | |
9134 | case TARGET_NR_fchmod: | |
9135 | ret = get_errno(fchmod(arg1, arg2)); | |
9136 | break; | |
c0d472b1 | 9137 | #if defined(TARGET_NR_fchmodat) |
814d7977 | 9138 | case TARGET_NR_fchmodat: |
579a97f7 FB |
9139 | if (!(p = lock_user_string(arg2))) |
9140 | goto efault; | |
c0d472b1 | 9141 | ret = get_errno(fchmodat(arg1, p, arg3, 0)); |
579a97f7 | 9142 | unlock_user(p, arg2, 0); |
814d7977 TS |
9143 | break; |
9144 | #endif | |
31e31b8a | 9145 | case TARGET_NR_getpriority: |
95c09828 RH |
9146 | /* Note that negative values are valid for getpriority, so we must |
9147 | differentiate based on errno settings. */ | |
9148 | errno = 0; | |
9149 | ret = getpriority(arg1, arg2); | |
9150 | if (ret == -1 && errno != 0) { | |
9151 | ret = -host_to_target_errno(errno); | |
9152 | break; | |
9153 | } | |
9154 | #ifdef TARGET_ALPHA | |
9155 | /* Return value is the unbiased priority. Signal no error. */ | |
9156 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; | |
9157 | #else | |
9158 | /* Return value is a biased priority to avoid negative numbers. */ | |
9159 | ret = 20 - ret; | |
9160 | #endif | |
31e31b8a FB |
9161 | break; |
9162 | case TARGET_NR_setpriority: | |
9163 | ret = get_errno(setpriority(arg1, arg2, arg3)); | |
9164 | break; | |
ebc05488 | 9165 | #ifdef TARGET_NR_profil |
31e31b8a FB |
9166 | case TARGET_NR_profil: |
9167 | goto unimplemented; | |
ebc05488 | 9168 | #endif |
31e31b8a | 9169 | case TARGET_NR_statfs: |
579a97f7 FB |
9170 | if (!(p = lock_user_string(arg1))) |
9171 | goto efault; | |
53a5960a PB |
9172 | ret = get_errno(statfs(path(p), &stfs)); |
9173 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
9174 | convert_statfs: |
9175 | if (!is_error(ret)) { | |
53a5960a | 9176 | struct target_statfs *target_stfs; |
3b46e624 | 9177 | |
579a97f7 FB |
9178 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
9179 | goto efault; | |
9180 | __put_user(stfs.f_type, &target_stfs->f_type); | |
9181 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
9182 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
9183 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
9184 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
9185 | __put_user(stfs.f_files, &target_stfs->f_files); | |
9186 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
9187 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
9188 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
9189 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
9190 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
9191 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
53a5960a | 9192 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a FB |
9193 | } |
9194 | break; | |
9195 | case TARGET_NR_fstatfs: | |
56c8f68f | 9196 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 9197 | goto convert_statfs; |
56c8f68f FB |
9198 | #ifdef TARGET_NR_statfs64 |
9199 | case TARGET_NR_statfs64: | |
579a97f7 FB |
9200 | if (!(p = lock_user_string(arg1))) |
9201 | goto efault; | |
53a5960a PB |
9202 | ret = get_errno(statfs(path(p), &stfs)); |
9203 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
9204 | convert_statfs64: |
9205 | if (!is_error(ret)) { | |
53a5960a | 9206 | struct target_statfs64 *target_stfs; |
3b46e624 | 9207 | |
579a97f7 FB |
9208 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
9209 | goto efault; | |
9210 | __put_user(stfs.f_type, &target_stfs->f_type); | |
9211 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
9212 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
9213 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
9214 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
9215 | __put_user(stfs.f_files, &target_stfs->f_files); | |
9216 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
9217 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
9218 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
9219 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
9220 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
9221 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
579a97f7 | 9222 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f FB |
9223 | } |
9224 | break; | |
9225 | case TARGET_NR_fstatfs64: | |
9226 | ret = get_errno(fstatfs(arg1, &stfs)); | |
9227 | goto convert_statfs64; | |
9228 | #endif | |
ebc05488 | 9229 | #ifdef TARGET_NR_ioperm |
31e31b8a FB |
9230 | case TARGET_NR_ioperm: |
9231 | goto unimplemented; | |
ebc05488 | 9232 | #endif |
e5febef5 | 9233 | #ifdef TARGET_NR_socketcall |
31e31b8a | 9234 | case TARGET_NR_socketcall: |
53a5960a | 9235 | ret = do_socketcall(arg1, arg2); |
31e31b8a | 9236 | break; |
e5febef5 | 9237 | #endif |
3532fa74 FB |
9238 | #ifdef TARGET_NR_accept |
9239 | case TARGET_NR_accept: | |
a94b4987 PM |
9240 | ret = do_accept4(arg1, arg2, arg3, 0); |
9241 | break; | |
9242 | #endif | |
9243 | #ifdef TARGET_NR_accept4 | |
9244 | case TARGET_NR_accept4: | |
a94b4987 | 9245 | ret = do_accept4(arg1, arg2, arg3, arg4); |
3532fa74 FB |
9246 | break; |
9247 | #endif | |
9248 | #ifdef TARGET_NR_bind | |
9249 | case TARGET_NR_bind: | |
9250 | ret = do_bind(arg1, arg2, arg3); | |
9251 | break; | |
9252 | #endif | |
9253 | #ifdef TARGET_NR_connect | |
9254 | case TARGET_NR_connect: | |
9255 | ret = do_connect(arg1, arg2, arg3); | |
9256 | break; | |
9257 | #endif | |
9258 | #ifdef TARGET_NR_getpeername | |
9259 | case TARGET_NR_getpeername: | |
1be9e1dc | 9260 | ret = do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
9261 | break; |
9262 | #endif | |
9263 | #ifdef TARGET_NR_getsockname | |
9264 | case TARGET_NR_getsockname: | |
1be9e1dc | 9265 | ret = do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
9266 | break; |
9267 | #endif | |
9268 | #ifdef TARGET_NR_getsockopt | |
9269 | case TARGET_NR_getsockopt: | |
9270 | ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); | |
9271 | break; | |
9272 | #endif | |
9273 | #ifdef TARGET_NR_listen | |
9274 | case TARGET_NR_listen: | |
1be9e1dc | 9275 | ret = get_errno(listen(arg1, arg2)); |
3532fa74 FB |
9276 | break; |
9277 | #endif | |
9278 | #ifdef TARGET_NR_recv | |
9279 | case TARGET_NR_recv: | |
214201bd | 9280 | ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
9281 | break; |
9282 | #endif | |
9283 | #ifdef TARGET_NR_recvfrom | |
9284 | case TARGET_NR_recvfrom: | |
214201bd | 9285 | ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
9286 | break; |
9287 | #endif | |
9288 | #ifdef TARGET_NR_recvmsg | |
9289 | case TARGET_NR_recvmsg: | |
9290 | ret = do_sendrecvmsg(arg1, arg2, arg3, 0); | |
9291 | break; | |
9292 | #endif | |
9293 | #ifdef TARGET_NR_send | |
9294 | case TARGET_NR_send: | |
1be9e1dc | 9295 | ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
9296 | break; |
9297 | #endif | |
9298 | #ifdef TARGET_NR_sendmsg | |
9299 | case TARGET_NR_sendmsg: | |
9300 | ret = do_sendrecvmsg(arg1, arg2, arg3, 1); | |
9301 | break; | |
9302 | #endif | |
f19e00d7 AG |
9303 | #ifdef TARGET_NR_sendmmsg |
9304 | case TARGET_NR_sendmmsg: | |
9305 | ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); | |
9306 | break; | |
9307 | case TARGET_NR_recvmmsg: | |
9308 | ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); | |
9309 | break; | |
9310 | #endif | |
3532fa74 FB |
9311 | #ifdef TARGET_NR_sendto |
9312 | case TARGET_NR_sendto: | |
1be9e1dc | 9313 | ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
9314 | break; |
9315 | #endif | |
9316 | #ifdef TARGET_NR_shutdown | |
9317 | case TARGET_NR_shutdown: | |
1be9e1dc | 9318 | ret = get_errno(shutdown(arg1, arg2)); |
3532fa74 FB |
9319 | break; |
9320 | #endif | |
f894efd1 LV |
9321 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
9322 | case TARGET_NR_getrandom: | |
9323 | p = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
9324 | if (!p) { | |
9325 | goto efault; | |
9326 | } | |
9327 | ret = get_errno(getrandom(p, arg2, arg3)); | |
9328 | unlock_user(p, arg1, ret); | |
9329 | break; | |
9330 | #endif | |
3532fa74 FB |
9331 | #ifdef TARGET_NR_socket |
9332 | case TARGET_NR_socket: | |
9333 | ret = do_socket(arg1, arg2, arg3); | |
e36800c9 | 9334 | fd_trans_unregister(ret); |
3532fa74 FB |
9335 | break; |
9336 | #endif | |
9337 | #ifdef TARGET_NR_socketpair | |
9338 | case TARGET_NR_socketpair: | |
1be9e1dc | 9339 | ret = do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
9340 | break; |
9341 | #endif | |
9342 | #ifdef TARGET_NR_setsockopt | |
9343 | case TARGET_NR_setsockopt: | |
9344 | ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); | |
9345 | break; | |
9346 | #endif | |
da2c8ad7 | 9347 | #if defined(TARGET_NR_syslog) |
31e31b8a | 9348 | case TARGET_NR_syslog: |
da2c8ad7 AM |
9349 | { |
9350 | int len = arg2; | |
7494b0f9 | 9351 | |
da2c8ad7 AM |
9352 | switch (arg1) { |
9353 | case TARGET_SYSLOG_ACTION_CLOSE: /* Close log */ | |
9354 | case TARGET_SYSLOG_ACTION_OPEN: /* Open log */ | |
9355 | case TARGET_SYSLOG_ACTION_CLEAR: /* Clear ring buffer */ | |
9356 | case TARGET_SYSLOG_ACTION_CONSOLE_OFF: /* Disable logging */ | |
9357 | case TARGET_SYSLOG_ACTION_CONSOLE_ON: /* Enable logging */ | |
9358 | case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: /* Set messages level */ | |
9359 | case TARGET_SYSLOG_ACTION_SIZE_UNREAD: /* Number of chars */ | |
9360 | case TARGET_SYSLOG_ACTION_SIZE_BUFFER: /* Size of the buffer */ | |
9361 | { | |
9362 | ret = get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); | |
9363 | } | |
9364 | break; | |
9365 | case TARGET_SYSLOG_ACTION_READ: /* Read from log */ | |
9366 | case TARGET_SYSLOG_ACTION_READ_CLEAR: /* Read/clear msgs */ | |
9367 | case TARGET_SYSLOG_ACTION_READ_ALL: /* Read last messages */ | |
9368 | { | |
9369 | ret = -TARGET_EINVAL; | |
9370 | if (len < 0) { | |
9371 | goto fail; | |
9372 | } | |
9373 | ret = 0; | |
9374 | if (len == 0) { | |
9375 | break; | |
9376 | } | |
9377 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
9378 | if (!p) { | |
9379 | ret = -TARGET_EFAULT; | |
9380 | goto fail; | |
9381 | } | |
9382 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); | |
9383 | unlock_user(p, arg2, arg3); | |
9384 | } | |
9385 | break; | |
9386 | default: | |
9387 | ret = -EINVAL; | |
9388 | break; | |
9389 | } | |
9390 | } | |
9391 | break; | |
9392 | #endif | |
31e31b8a | 9393 | case TARGET_NR_setitimer: |
66fb9763 | 9394 | { |
66fb9763 FB |
9395 | struct itimerval value, ovalue, *pvalue; |
9396 | ||
53a5960a | 9397 | if (arg2) { |
66fb9763 | 9398 | pvalue = &value; |
788f5ec4 TS |
9399 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
9400 | || copy_from_user_timeval(&pvalue->it_value, | |
9401 | arg2 + sizeof(struct target_timeval))) | |
9402 | goto efault; | |
66fb9763 FB |
9403 | } else { |
9404 | pvalue = NULL; | |
9405 | } | |
9406 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 9407 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
9408 | if (copy_to_user_timeval(arg3, |
9409 | &ovalue.it_interval) | |
9410 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
9411 | &ovalue.it_value)) | |
9412 | goto efault; | |
66fb9763 FB |
9413 | } |
9414 | } | |
9415 | break; | |
31e31b8a | 9416 | case TARGET_NR_getitimer: |
66fb9763 | 9417 | { |
66fb9763 | 9418 | struct itimerval value; |
3b46e624 | 9419 | |
66fb9763 | 9420 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 9421 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
9422 | if (copy_to_user_timeval(arg2, |
9423 | &value.it_interval) | |
9424 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
9425 | &value.it_value)) | |
9426 | goto efault; | |
66fb9763 FB |
9427 | } |
9428 | } | |
9429 | break; | |
704eff6c | 9430 | #ifdef TARGET_NR_stat |
31e31b8a | 9431 | case TARGET_NR_stat: |
579a97f7 FB |
9432 | if (!(p = lock_user_string(arg1))) |
9433 | goto efault; | |
53a5960a PB |
9434 | ret = get_errno(stat(path(p), &st)); |
9435 | unlock_user(p, arg1, 0); | |
31e31b8a | 9436 | goto do_stat; |
704eff6c CG |
9437 | #endif |
9438 | #ifdef TARGET_NR_lstat | |
31e31b8a | 9439 | case TARGET_NR_lstat: |
579a97f7 FB |
9440 | if (!(p = lock_user_string(arg1))) |
9441 | goto efault; | |
53a5960a PB |
9442 | ret = get_errno(lstat(path(p), &st)); |
9443 | unlock_user(p, arg1, 0); | |
31e31b8a | 9444 | goto do_stat; |
704eff6c | 9445 | #endif |
31e31b8a FB |
9446 | case TARGET_NR_fstat: |
9447 | { | |
9448 | ret = get_errno(fstat(arg1, &st)); | |
704eff6c | 9449 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat) |
31e31b8a | 9450 | do_stat: |
704eff6c | 9451 | #endif |
31e31b8a | 9452 | if (!is_error(ret)) { |
53a5960a | 9453 | struct target_stat *target_st; |
e3584658 | 9454 | |
579a97f7 FB |
9455 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
9456 | goto efault; | |
12727917 | 9457 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
9458 | __put_user(st.st_dev, &target_st->st_dev); |
9459 | __put_user(st.st_ino, &target_st->st_ino); | |
9460 | __put_user(st.st_mode, &target_st->st_mode); | |
9461 | __put_user(st.st_uid, &target_st->st_uid); | |
9462 | __put_user(st.st_gid, &target_st->st_gid); | |
9463 | __put_user(st.st_nlink, &target_st->st_nlink); | |
9464 | __put_user(st.st_rdev, &target_st->st_rdev); | |
9465 | __put_user(st.st_size, &target_st->st_size); | |
9466 | __put_user(st.st_blksize, &target_st->st_blksize); | |
9467 | __put_user(st.st_blocks, &target_st->st_blocks); | |
9468 | __put_user(st.st_atime, &target_st->target_st_atime); | |
9469 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
9470 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
53a5960a | 9471 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
9472 | } |
9473 | } | |
9474 | break; | |
ebc05488 | 9475 | #ifdef TARGET_NR_olduname |
31e31b8a FB |
9476 | case TARGET_NR_olduname: |
9477 | goto unimplemented; | |
ebc05488 FB |
9478 | #endif |
9479 | #ifdef TARGET_NR_iopl | |
31e31b8a FB |
9480 | case TARGET_NR_iopl: |
9481 | goto unimplemented; | |
ebc05488 | 9482 | #endif |
31e31b8a FB |
9483 | case TARGET_NR_vhangup: |
9484 | ret = get_errno(vhangup()); | |
9485 | break; | |
ebc05488 | 9486 | #ifdef TARGET_NR_idle |
31e31b8a FB |
9487 | case TARGET_NR_idle: |
9488 | goto unimplemented; | |
42ad6ae9 FB |
9489 | #endif |
9490 | #ifdef TARGET_NR_syscall | |
9491 | case TARGET_NR_syscall: | |
5945cfcb PM |
9492 | ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
9493 | arg6, arg7, arg8, 0); | |
9494 | break; | |
ebc05488 | 9495 | #endif |
31e31b8a FB |
9496 | case TARGET_NR_wait4: |
9497 | { | |
9498 | int status; | |
992f48a0 | 9499 | abi_long status_ptr = arg2; |
31e31b8a | 9500 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 9501 | abi_ulong target_rusage = arg4; |
a39fb273 | 9502 | abi_long rusage_err; |
31e31b8a FB |
9503 | if (target_rusage) |
9504 | rusage_ptr = &rusage; | |
9505 | else | |
9506 | rusage_ptr = NULL; | |
4af80a37 | 9507 | ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr)); |
31e31b8a | 9508 | if (!is_error(ret)) { |
5379557b | 9509 | if (status_ptr && ret) { |
1d9d8b55 | 9510 | status = host_to_target_waitstatus(status); |
2f619698 FB |
9511 | if (put_user_s32(status, status_ptr)) |
9512 | goto efault; | |
31e31b8a | 9513 | } |
a39fb273 PJ |
9514 | if (target_rusage) { |
9515 | rusage_err = host_to_target_rusage(target_rusage, &rusage); | |
9516 | if (rusage_err) { | |
9517 | ret = rusage_err; | |
9518 | } | |
9519 | } | |
31e31b8a FB |
9520 | } |
9521 | } | |
9522 | break; | |
e5febef5 | 9523 | #ifdef TARGET_NR_swapoff |
31e31b8a | 9524 | case TARGET_NR_swapoff: |
579a97f7 FB |
9525 | if (!(p = lock_user_string(arg1))) |
9526 | goto efault; | |
53a5960a PB |
9527 | ret = get_errno(swapoff(p)); |
9528 | unlock_user(p, arg1, 0); | |
31e31b8a | 9529 | break; |
e5febef5 | 9530 | #endif |
31e31b8a | 9531 | case TARGET_NR_sysinfo: |
a5448a7d | 9532 | { |
53a5960a | 9533 | struct target_sysinfo *target_value; |
a5448a7d FB |
9534 | struct sysinfo value; |
9535 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 9536 | if (!is_error(ret) && arg1) |
a5448a7d | 9537 | { |
579a97f7 FB |
9538 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
9539 | goto efault; | |
a5448a7d FB |
9540 | __put_user(value.uptime, &target_value->uptime); |
9541 | __put_user(value.loads[0], &target_value->loads[0]); | |
9542 | __put_user(value.loads[1], &target_value->loads[1]); | |
9543 | __put_user(value.loads[2], &target_value->loads[2]); | |
9544 | __put_user(value.totalram, &target_value->totalram); | |
9545 | __put_user(value.freeram, &target_value->freeram); | |
9546 | __put_user(value.sharedram, &target_value->sharedram); | |
9547 | __put_user(value.bufferram, &target_value->bufferram); | |
9548 | __put_user(value.totalswap, &target_value->totalswap); | |
9549 | __put_user(value.freeswap, &target_value->freeswap); | |
9550 | __put_user(value.procs, &target_value->procs); | |
9551 | __put_user(value.totalhigh, &target_value->totalhigh); | |
9552 | __put_user(value.freehigh, &target_value->freehigh); | |
9553 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 9554 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
9555 | } |
9556 | } | |
9557 | break; | |
e5febef5 | 9558 | #ifdef TARGET_NR_ipc |
31e31b8a | 9559 | case TARGET_NR_ipc: |
ee8e7614 PM |
9560 | ret = do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); |
9561 | break; | |
e5febef5 | 9562 | #endif |
e5289087 AJ |
9563 | #ifdef TARGET_NR_semget |
9564 | case TARGET_NR_semget: | |
9565 | ret = get_errno(semget(arg1, arg2, arg3)); | |
9566 | break; | |
9567 | #endif | |
9568 | #ifdef TARGET_NR_semop | |
9569 | case TARGET_NR_semop: | |
c7128c9f | 9570 | ret = do_semop(arg1, arg2, arg3); |
e5289087 AJ |
9571 | break; |
9572 | #endif | |
9573 | #ifdef TARGET_NR_semctl | |
9574 | case TARGET_NR_semctl: | |
d1c002b6 | 9575 | ret = do_semctl(arg1, arg2, arg3, arg4); |
e5289087 AJ |
9576 | break; |
9577 | #endif | |
eeb438c1 AJ |
9578 | #ifdef TARGET_NR_msgctl |
9579 | case TARGET_NR_msgctl: | |
9580 | ret = do_msgctl(arg1, arg2, arg3); | |
9581 | break; | |
9582 | #endif | |
9583 | #ifdef TARGET_NR_msgget | |
9584 | case TARGET_NR_msgget: | |
9585 | ret = get_errno(msgget(arg1, arg2)); | |
9586 | break; | |
9587 | #endif | |
9588 | #ifdef TARGET_NR_msgrcv | |
9589 | case TARGET_NR_msgrcv: | |
9590 | ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); | |
9591 | break; | |
9592 | #endif | |
9593 | #ifdef TARGET_NR_msgsnd | |
9594 | case TARGET_NR_msgsnd: | |
9595 | ret = do_msgsnd(arg1, arg2, arg3, arg4); | |
9596 | break; | |
88a8c984 RV |
9597 | #endif |
9598 | #ifdef TARGET_NR_shmget | |
9599 | case TARGET_NR_shmget: | |
9600 | ret = get_errno(shmget(arg1, arg2, arg3)); | |
9601 | break; | |
9602 | #endif | |
9603 | #ifdef TARGET_NR_shmctl | |
9604 | case TARGET_NR_shmctl: | |
9605 | ret = do_shmctl(arg1, arg2, arg3); | |
9606 | break; | |
9607 | #endif | |
9608 | #ifdef TARGET_NR_shmat | |
9609 | case TARGET_NR_shmat: | |
ee8e7614 | 9610 | ret = do_shmat(cpu_env, arg1, arg2, arg3); |
88a8c984 RV |
9611 | break; |
9612 | #endif | |
9613 | #ifdef TARGET_NR_shmdt | |
9614 | case TARGET_NR_shmdt: | |
9615 | ret = do_shmdt(arg1); | |
9616 | break; | |
eeb438c1 | 9617 | #endif |
31e31b8a FB |
9618 | case TARGET_NR_fsync: |
9619 | ret = get_errno(fsync(arg1)); | |
9620 | break; | |
31e31b8a | 9621 | case TARGET_NR_clone: |
4ce6243d PM |
9622 | /* Linux manages to have three different orderings for its |
9623 | * arguments to clone(); the BACKWARDS and BACKWARDS2 defines | |
9624 | * match the kernel's CONFIG_CLONE_* settings. | |
9625 | * Microblaze is further special in that it uses a sixth | |
9626 | * implicit argument to clone for the TLS pointer. | |
9627 | */ | |
9628 | #if defined(TARGET_MICROBLAZE) | |
a5b3bdcb | 9629 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
4ce6243d PM |
9630 | #elif defined(TARGET_CLONE_BACKWARDS) |
9631 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); | |
9632 | #elif defined(TARGET_CLONE_BACKWARDS2) | |
a4c075f1 | 9633 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
0b6d3ae0 | 9634 | #else |
4ce6243d | 9635 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
0b6d3ae0 | 9636 | #endif |
1b6b029e | 9637 | break; |
ec86b0fb FB |
9638 | #ifdef __NR_exit_group |
9639 | /* new thread calls */ | |
9640 | case TARGET_NR_exit_group: | |
9788c9ca | 9641 | #ifdef TARGET_GPROF |
6d946cda AJ |
9642 | _mcleanup(); |
9643 | #endif | |
e9009676 | 9644 | gdb_exit(cpu_env, arg1); |
ec86b0fb FB |
9645 | ret = get_errno(exit_group(arg1)); |
9646 | break; | |
9647 | #endif | |
31e31b8a | 9648 | case TARGET_NR_setdomainname: |
579a97f7 FB |
9649 | if (!(p = lock_user_string(arg1))) |
9650 | goto efault; | |
53a5960a PB |
9651 | ret = get_errno(setdomainname(p, arg2)); |
9652 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
9653 | break; |
9654 | case TARGET_NR_uname: | |
9655 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
9656 | { |
9657 | struct new_utsname * buf; | |
3b46e624 | 9658 | |
579a97f7 FB |
9659 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
9660 | goto efault; | |
29e619b1 FB |
9661 | ret = get_errno(sys_uname(buf)); |
9662 | if (!is_error(ret)) { | |
332c9781 | 9663 | /* Overwrite the native machine name with whatever is being |
29e619b1 | 9664 | emulated. */ |
da79030f | 9665 | strcpy (buf->machine, cpu_to_uname_machine(cpu_env)); |
c5937220 | 9666 | /* Allow the user to override the reported release. */ |
332c9781 PM |
9667 | if (qemu_uname_release && *qemu_uname_release) { |
9668 | g_strlcpy(buf->release, qemu_uname_release, | |
9669 | sizeof(buf->release)); | |
9670 | } | |
29e619b1 | 9671 | } |
53a5960a | 9672 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 9673 | } |
31e31b8a | 9674 | break; |
6dbad63e | 9675 | #ifdef TARGET_I386 |
31e31b8a | 9676 | case TARGET_NR_modify_ldt: |
03acab66 | 9677 | ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); |
5cd4393b | 9678 | break; |
84409ddb | 9679 | #if !defined(TARGET_X86_64) |
5cd4393b FB |
9680 | case TARGET_NR_vm86old: |
9681 | goto unimplemented; | |
9682 | case TARGET_NR_vm86: | |
53a5960a | 9683 | ret = do_vm86(cpu_env, arg1, arg2); |
6dbad63e | 9684 | break; |
84409ddb | 9685 | #endif |
6dbad63e | 9686 | #endif |
31e31b8a | 9687 | case TARGET_NR_adjtimex: |
19f59bce AM |
9688 | { |
9689 | struct timex host_buf; | |
9690 | ||
9691 | if (target_to_host_timex(&host_buf, arg1) != 0) { | |
9692 | goto efault; | |
9693 | } | |
9694 | ret = get_errno(adjtimex(&host_buf)); | |
9695 | if (!is_error(ret)) { | |
9696 | if (host_to_target_timex(arg1, &host_buf) != 0) { | |
9697 | goto efault; | |
9698 | } | |
9699 | } | |
9700 | } | |
9701 | break; | |
38860a03 AM |
9702 | #if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME) |
9703 | case TARGET_NR_clock_adjtime: | |
9704 | { | |
9705 | struct timex htx, *phtx = &htx; | |
9706 | ||
9707 | if (target_to_host_timex(phtx, arg2) != 0) { | |
9708 | goto efault; | |
9709 | } | |
9710 | ret = get_errno(clock_adjtime(arg1, phtx)); | |
9711 | if (!is_error(ret) && phtx) { | |
9712 | if (host_to_target_timex(arg2, phtx) != 0) { | |
9713 | goto efault; | |
9714 | } | |
9715 | } | |
9716 | } | |
9717 | break; | |
9718 | #endif | |
e5febef5 | 9719 | #ifdef TARGET_NR_create_module |
31e31b8a | 9720 | case TARGET_NR_create_module: |
e5febef5 | 9721 | #endif |
31e31b8a FB |
9722 | case TARGET_NR_init_module: |
9723 | case TARGET_NR_delete_module: | |
e5febef5 | 9724 | #ifdef TARGET_NR_get_kernel_syms |
31e31b8a | 9725 | case TARGET_NR_get_kernel_syms: |
e5febef5 | 9726 | #endif |
31e31b8a FB |
9727 | goto unimplemented; |
9728 | case TARGET_NR_quotactl: | |
9729 | goto unimplemented; | |
9730 | case TARGET_NR_getpgid: | |
9731 | ret = get_errno(getpgid(arg1)); | |
9732 | break; | |
9733 | case TARGET_NR_fchdir: | |
9734 | ret = get_errno(fchdir(arg1)); | |
9735 | break; | |
84409ddb | 9736 | #ifdef TARGET_NR_bdflush /* not on x86_64 */ |
31e31b8a FB |
9737 | case TARGET_NR_bdflush: |
9738 | goto unimplemented; | |
84409ddb | 9739 | #endif |
e5febef5 | 9740 | #ifdef TARGET_NR_sysfs |
31e31b8a FB |
9741 | case TARGET_NR_sysfs: |
9742 | goto unimplemented; | |
e5febef5 | 9743 | #endif |
31e31b8a | 9744 | case TARGET_NR_personality: |
1b6b029e | 9745 | ret = get_errno(personality(arg1)); |
31e31b8a | 9746 | break; |
e5febef5 | 9747 | #ifdef TARGET_NR_afs_syscall |
31e31b8a FB |
9748 | case TARGET_NR_afs_syscall: |
9749 | goto unimplemented; | |
e5febef5 | 9750 | #endif |
7a3148a9 | 9751 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
9752 | case TARGET_NR__llseek: |
9753 | { | |
0c1592d9 | 9754 | int64_t res; |
d35b261c | 9755 | #if !defined(__NR_llseek) |
9fea273c | 9756 | res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5); |
0c1592d9 PM |
9757 | if (res == -1) { |
9758 | ret = get_errno(res); | |
9759 | } else { | |
9760 | ret = 0; | |
9761 | } | |
4f2ac237 | 9762 | #else |
31e31b8a | 9763 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 9764 | #endif |
0c1592d9 PM |
9765 | if ((ret == 0) && put_user_s64(res, arg4)) { |
9766 | goto efault; | |
9767 | } | |
31e31b8a FB |
9768 | } |
9769 | break; | |
7a3148a9 | 9770 | #endif |
704eff6c | 9771 | #ifdef TARGET_NR_getdents |
31e31b8a | 9772 | case TARGET_NR_getdents: |
3307e236 | 9773 | #ifdef __NR_getdents |
d83c8733 | 9774 | #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
4add45b4 | 9775 | { |
53a5960a | 9776 | struct target_dirent *target_dirp; |
6556a833 | 9777 | struct linux_dirent *dirp; |
992f48a0 | 9778 | abi_long count = arg3; |
4add45b4 | 9779 | |
0e173b24 HK |
9780 | dirp = g_try_malloc(count); |
9781 | if (!dirp) { | |
579a97f7 | 9782 | ret = -TARGET_ENOMEM; |
0da46a6e TS |
9783 | goto fail; |
9784 | } | |
3b46e624 | 9785 | |
4add45b4 FB |
9786 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
9787 | if (!is_error(ret)) { | |
6556a833 | 9788 | struct linux_dirent *de; |
4add45b4 FB |
9789 | struct target_dirent *tde; |
9790 | int len = ret; | |
9791 | int reclen, treclen; | |
9792 | int count1, tnamelen; | |
9793 | ||
9794 | count1 = 0; | |
9795 | de = dirp; | |
579a97f7 FB |
9796 | if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
9797 | goto efault; | |
4add45b4 FB |
9798 | tde = target_dirp; |
9799 | while (len > 0) { | |
9800 | reclen = de->d_reclen; | |
333858b7 DL |
9801 | tnamelen = reclen - offsetof(struct linux_dirent, d_name); |
9802 | assert(tnamelen >= 0); | |
9803 | treclen = tnamelen + offsetof(struct target_dirent, d_name); | |
9804 | assert(count1 + treclen <= count); | |
4add45b4 | 9805 | tde->d_reclen = tswap16(treclen); |
cbb21eed MB |
9806 | tde->d_ino = tswapal(de->d_ino); |
9807 | tde->d_off = tswapal(de->d_off); | |
333858b7 | 9808 | memcpy(tde->d_name, de->d_name, tnamelen); |
6556a833 | 9809 | de = (struct linux_dirent *)((char *)de + reclen); |
4add45b4 | 9810 | len -= reclen; |
1c5bf3bf | 9811 | tde = (struct target_dirent *)((char *)tde + treclen); |
4add45b4 FB |
9812 | count1 += treclen; |
9813 | } | |
9814 | ret = count1; | |
579a97f7 | 9815 | unlock_user(target_dirp, arg2, ret); |
4add45b4 | 9816 | } |
0e173b24 | 9817 | g_free(dirp); |
4add45b4 FB |
9818 | } |
9819 | #else | |
31e31b8a | 9820 | { |
6556a833 | 9821 | struct linux_dirent *dirp; |
992f48a0 | 9822 | abi_long count = arg3; |
dab2ed99 | 9823 | |
579a97f7 FB |
9824 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
9825 | goto efault; | |
72f03900 | 9826 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
31e31b8a | 9827 | if (!is_error(ret)) { |
6556a833 | 9828 | struct linux_dirent *de; |
31e31b8a FB |
9829 | int len = ret; |
9830 | int reclen; | |
9831 | de = dirp; | |
9832 | while (len > 0) { | |
8083a3e5 | 9833 | reclen = de->d_reclen; |
31e31b8a FB |
9834 | if (reclen > len) |
9835 | break; | |
8083a3e5 | 9836 | de->d_reclen = tswap16(reclen); |
31e31b8a FB |
9837 | tswapls(&de->d_ino); |
9838 | tswapls(&de->d_off); | |
6556a833 | 9839 | de = (struct linux_dirent *)((char *)de + reclen); |
31e31b8a FB |
9840 | len -= reclen; |
9841 | } | |
9842 | } | |
53a5960a | 9843 | unlock_user(dirp, arg2, ret); |
3307e236 PM |
9844 | } |
9845 | #endif | |
9846 | #else | |
9847 | /* Implement getdents in terms of getdents64 */ | |
9848 | { | |
9849 | struct linux_dirent64 *dirp; | |
9850 | abi_long count = arg3; | |
9851 | ||
9852 | dirp = lock_user(VERIFY_WRITE, arg2, count, 0); | |
9853 | if (!dirp) { | |
9854 | goto efault; | |
9855 | } | |
9856 | ret = get_errno(sys_getdents64(arg1, dirp, count)); | |
9857 | if (!is_error(ret)) { | |
9858 | /* Convert the dirent64 structs to target dirent. We do this | |
9859 | * in-place, since we can guarantee that a target_dirent is no | |
9860 | * larger than a dirent64; however this means we have to be | |
9861 | * careful to read everything before writing in the new format. | |
9862 | */ | |
9863 | struct linux_dirent64 *de; | |
9864 | struct target_dirent *tde; | |
9865 | int len = ret; | |
9866 | int tlen = 0; | |
9867 | ||
9868 | de = dirp; | |
9869 | tde = (struct target_dirent *)dirp; | |
9870 | while (len > 0) { | |
9871 | int namelen, treclen; | |
9872 | int reclen = de->d_reclen; | |
9873 | uint64_t ino = de->d_ino; | |
9874 | int64_t off = de->d_off; | |
9875 | uint8_t type = de->d_type; | |
9876 | ||
9877 | namelen = strlen(de->d_name); | |
9878 | treclen = offsetof(struct target_dirent, d_name) | |
9879 | + namelen + 2; | |
9880 | treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long)); | |
9881 | ||
9882 | memmove(tde->d_name, de->d_name, namelen + 1); | |
9883 | tde->d_ino = tswapal(ino); | |
9884 | tde->d_off = tswapal(off); | |
9885 | tde->d_reclen = tswap16(treclen); | |
9886 | /* The target_dirent type is in what was formerly a padding | |
9887 | * byte at the end of the structure: | |
9888 | */ | |
9889 | *(((char *)tde) + treclen - 1) = type; | |
9890 | ||
9891 | de = (struct linux_dirent64 *)((char *)de + reclen); | |
9892 | tde = (struct target_dirent *)((char *)tde + treclen); | |
9893 | len -= reclen; | |
9894 | tlen += treclen; | |
9895 | } | |
9896 | ret = tlen; | |
9897 | } | |
9898 | unlock_user(dirp, arg2, ret); | |
31e31b8a | 9899 | } |
4add45b4 | 9900 | #endif |
31e31b8a | 9901 | break; |
704eff6c | 9902 | #endif /* TARGET_NR_getdents */ |
3ae43202 | 9903 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 FB |
9904 | case TARGET_NR_getdents64: |
9905 | { | |
6556a833 | 9906 | struct linux_dirent64 *dirp; |
992f48a0 | 9907 | abi_long count = arg3; |
579a97f7 FB |
9908 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
9909 | goto efault; | |
dab2ed99 FB |
9910 | ret = get_errno(sys_getdents64(arg1, dirp, count)); |
9911 | if (!is_error(ret)) { | |
6556a833 | 9912 | struct linux_dirent64 *de; |
dab2ed99 FB |
9913 | int len = ret; |
9914 | int reclen; | |
9915 | de = dirp; | |
9916 | while (len > 0) { | |
8083a3e5 | 9917 | reclen = de->d_reclen; |
dab2ed99 FB |
9918 | if (reclen > len) |
9919 | break; | |
8083a3e5 | 9920 | de->d_reclen = tswap16(reclen); |
8582a53a FB |
9921 | tswap64s((uint64_t *)&de->d_ino); |
9922 | tswap64s((uint64_t *)&de->d_off); | |
6556a833 | 9923 | de = (struct linux_dirent64 *)((char *)de + reclen); |
dab2ed99 FB |
9924 | len -= reclen; |
9925 | } | |
9926 | } | |
53a5960a | 9927 | unlock_user(dirp, arg2, ret); |
dab2ed99 FB |
9928 | } |
9929 | break; | |
a541f297 | 9930 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 9931 | #if defined(TARGET_NR__newselect) |
31e31b8a | 9932 | case TARGET_NR__newselect: |
53a5960a | 9933 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
31e31b8a | 9934 | break; |
e5febef5 | 9935 | #endif |
d8035d4c MF |
9936 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) |
9937 | # ifdef TARGET_NR_poll | |
9de5e440 | 9938 | case TARGET_NR_poll: |
d8035d4c MF |
9939 | # endif |
9940 | # ifdef TARGET_NR_ppoll | |
9941 | case TARGET_NR_ppoll: | |
9942 | # endif | |
9de5e440 | 9943 | { |
53a5960a | 9944 | struct target_pollfd *target_pfd; |
9de5e440 | 9945 | unsigned int nfds = arg2; |
9de5e440 | 9946 | struct pollfd *pfd; |
7854b056 | 9947 | unsigned int i; |
9de5e440 | 9948 | |
3e24bb3f LV |
9949 | pfd = NULL; |
9950 | target_pfd = NULL; | |
9951 | if (nfds) { | |
ce9c139d PM |
9952 | if (nfds > (INT_MAX / sizeof(struct target_pollfd))) { |
9953 | ret = -TARGET_EINVAL; | |
9954 | break; | |
9955 | } | |
9956 | ||
3e24bb3f LV |
9957 | target_pfd = lock_user(VERIFY_WRITE, arg1, |
9958 | sizeof(struct target_pollfd) * nfds, 1); | |
9959 | if (!target_pfd) { | |
9960 | goto efault; | |
9961 | } | |
d8035d4c | 9962 | |
3e24bb3f LV |
9963 | pfd = alloca(sizeof(struct pollfd) * nfds); |
9964 | for (i = 0; i < nfds; i++) { | |
9965 | pfd[i].fd = tswap32(target_pfd[i].fd); | |
9966 | pfd[i].events = tswap16(target_pfd[i].events); | |
9967 | } | |
9de5e440 | 9968 | } |
d8035d4c | 9969 | |
a6130237 | 9970 | switch (num) { |
d8035d4c | 9971 | # ifdef TARGET_NR_ppoll |
a6130237 PM |
9972 | case TARGET_NR_ppoll: |
9973 | { | |
d8035d4c MF |
9974 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; |
9975 | target_sigset_t *target_set; | |
9976 | sigset_t _set, *set = &_set; | |
9977 | ||
9978 | if (arg3) { | |
9979 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
9980 | unlock_user(target_pfd, arg1, 0); | |
9981 | goto efault; | |
9982 | } | |
9983 | } else { | |
9984 | timeout_ts = NULL; | |
9985 | } | |
9986 | ||
9987 | if (arg4) { | |
c815701e PM |
9988 | if (arg5 != sizeof(target_sigset_t)) { |
9989 | unlock_user(target_pfd, arg1, 0); | |
9990 | ret = -TARGET_EINVAL; | |
9991 | break; | |
9992 | } | |
9993 | ||
d8035d4c MF |
9994 | target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); |
9995 | if (!target_set) { | |
9996 | unlock_user(target_pfd, arg1, 0); | |
9997 | goto efault; | |
9998 | } | |
9999 | target_to_host_sigset(set, target_set); | |
10000 | } else { | |
10001 | set = NULL; | |
10002 | } | |
10003 | ||
a6130237 PM |
10004 | ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts, |
10005 | set, SIGSET_T_SIZE)); | |
d8035d4c MF |
10006 | |
10007 | if (!is_error(ret) && arg3) { | |
10008 | host_to_target_timespec(arg3, timeout_ts); | |
10009 | } | |
10010 | if (arg4) { | |
10011 | unlock_user(target_set, arg4, 0); | |
10012 | } | |
a6130237 PM |
10013 | break; |
10014 | } | |
d8035d4c | 10015 | # endif |
a6130237 PM |
10016 | # ifdef TARGET_NR_poll |
10017 | case TARGET_NR_poll: | |
10018 | { | |
10019 | struct timespec ts, *pts; | |
10020 | ||
10021 | if (arg3 >= 0) { | |
10022 | /* Convert ms to secs, ns */ | |
10023 | ts.tv_sec = arg3 / 1000; | |
10024 | ts.tv_nsec = (arg3 % 1000) * 1000000LL; | |
10025 | pts = &ts; | |
10026 | } else { | |
10027 | /* -ve poll() timeout means "infinite" */ | |
10028 | pts = NULL; | |
10029 | } | |
10030 | ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0)); | |
10031 | break; | |
10032 | } | |
d8035d4c | 10033 | # endif |
a6130237 PM |
10034 | default: |
10035 | g_assert_not_reached(); | |
10036 | } | |
d8035d4c | 10037 | |
9de5e440 FB |
10038 | if (!is_error(ret)) { |
10039 | for(i = 0; i < nfds; i++) { | |
5cd4393b | 10040 | target_pfd[i].revents = tswap16(pfd[i].revents); |
9de5e440 FB |
10041 | } |
10042 | } | |
30cb4cde | 10043 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); |
9de5e440 FB |
10044 | } |
10045 | break; | |
e5febef5 | 10046 | #endif |
31e31b8a | 10047 | case TARGET_NR_flock: |
9de5e440 FB |
10048 | /* NOTE: the flock constant seems to be the same for every |
10049 | Linux platform */ | |
2a845989 | 10050 | ret = get_errno(safe_flock(arg1, arg2)); |
31e31b8a FB |
10051 | break; |
10052 | case TARGET_NR_readv: | |
10053 | { | |
f287b2c2 RH |
10054 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
10055 | if (vec != NULL) { | |
918c03ed | 10056 | ret = get_errno(safe_readv(arg1, vec, arg3)); |
f287b2c2 RH |
10057 | unlock_iovec(vec, arg2, arg3, 1); |
10058 | } else { | |
10059 | ret = -host_to_target_errno(errno); | |
10060 | } | |
31e31b8a FB |
10061 | } |
10062 | break; | |
10063 | case TARGET_NR_writev: | |
10064 | { | |
f287b2c2 RH |
10065 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
10066 | if (vec != NULL) { | |
918c03ed | 10067 | ret = get_errno(safe_writev(arg1, vec, arg3)); |
f287b2c2 RH |
10068 | unlock_iovec(vec, arg2, arg3, 0); |
10069 | } else { | |
10070 | ret = -host_to_target_errno(errno); | |
10071 | } | |
31e31b8a FB |
10072 | } |
10073 | break; | |
0f26386c DJ |
10074 | #if defined(TARGET_NR_preadv) |
10075 | case TARGET_NR_preadv: | |
10076 | { | |
10077 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); | |
10078 | if (vec != NULL) { | |
10079 | ret = get_errno(safe_preadv(arg1, vec, arg3, arg4, arg5)); | |
10080 | unlock_iovec(vec, arg2, arg3, 1); | |
10081 | } else { | |
10082 | ret = -host_to_target_errno(errno); | |
f8d00fba DJ |
10083 | } |
10084 | } | |
10085 | break; | |
10086 | #endif | |
10087 | #if defined(TARGET_NR_pwritev) | |
10088 | case TARGET_NR_pwritev: | |
10089 | { | |
10090 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); | |
10091 | if (vec != NULL) { | |
10092 | ret = get_errno(safe_pwritev(arg1, vec, arg3, arg4, arg5)); | |
10093 | unlock_iovec(vec, arg2, arg3, 0); | |
10094 | } else { | |
10095 | ret = -host_to_target_errno(errno); | |
0f26386c DJ |
10096 | } |
10097 | } | |
10098 | break; | |
10099 | #endif | |
31e31b8a FB |
10100 | case TARGET_NR_getsid: |
10101 | ret = get_errno(getsid(arg1)); | |
10102 | break; | |
7a3148a9 | 10103 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 10104 | case TARGET_NR_fdatasync: |
5cd4393b FB |
10105 | ret = get_errno(fdatasync(arg1)); |
10106 | break; | |
7a3148a9 | 10107 | #endif |
704eff6c | 10108 | #ifdef TARGET_NR__sysctl |
31e31b8a | 10109 | case TARGET_NR__sysctl: |
0da46a6e | 10110 | /* We don't implement this, but ENOTDIR is always a safe |
29e619b1 | 10111 | return value. */ |
0da46a6e TS |
10112 | ret = -TARGET_ENOTDIR; |
10113 | break; | |
704eff6c | 10114 | #endif |
737de1d1 MF |
10115 | case TARGET_NR_sched_getaffinity: |
10116 | { | |
10117 | unsigned int mask_size; | |
10118 | unsigned long *mask; | |
10119 | ||
10120 | /* | |
10121 | * sched_getaffinity needs multiples of ulong, so need to take | |
10122 | * care of mismatches between target ulong and host ulong sizes. | |
10123 | */ | |
10124 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
10125 | ret = -TARGET_EINVAL; | |
10126 | break; | |
10127 | } | |
10128 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
10129 | ||
10130 | mask = alloca(mask_size); | |
10131 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); | |
10132 | ||
10133 | if (!is_error(ret)) { | |
be3bd286 PM |
10134 | if (ret > arg2) { |
10135 | /* More data returned than the caller's buffer will fit. | |
10136 | * This only happens if sizeof(abi_long) < sizeof(long) | |
10137 | * and the caller passed us a buffer holding an odd number | |
10138 | * of abi_longs. If the host kernel is actually using the | |
10139 | * extra 4 bytes then fail EINVAL; otherwise we can just | |
10140 | * ignore them and only copy the interesting part. | |
10141 | */ | |
10142 | int numcpus = sysconf(_SC_NPROCESSORS_CONF); | |
10143 | if (numcpus > arg2 * 8) { | |
10144 | ret = -TARGET_EINVAL; | |
10145 | break; | |
10146 | } | |
10147 | ret = arg2; | |
10148 | } | |
10149 | ||
cd18f05e | 10150 | if (copy_to_user(arg3, mask, ret)) { |
737de1d1 MF |
10151 | goto efault; |
10152 | } | |
737de1d1 MF |
10153 | } |
10154 | } | |
10155 | break; | |
10156 | case TARGET_NR_sched_setaffinity: | |
10157 | { | |
10158 | unsigned int mask_size; | |
10159 | unsigned long *mask; | |
10160 | ||
10161 | /* | |
10162 | * sched_setaffinity needs multiples of ulong, so need to take | |
10163 | * care of mismatches between target ulong and host ulong sizes. | |
10164 | */ | |
10165 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
10166 | ret = -TARGET_EINVAL; | |
10167 | break; | |
10168 | } | |
10169 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
10170 | ||
10171 | mask = alloca(mask_size); | |
10172 | if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) { | |
10173 | goto efault; | |
10174 | } | |
10175 | memcpy(mask, p, arg2); | |
10176 | unlock_user_struct(p, arg2, 0); | |
10177 | ||
10178 | ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); | |
10179 | } | |
10180 | break; | |
31e31b8a | 10181 | case TARGET_NR_sched_setparam: |
5cd4393b | 10182 | { |
53a5960a | 10183 | struct sched_param *target_schp; |
5cd4393b | 10184 | struct sched_param schp; |
53a5960a | 10185 | |
a1d5c5b2 TM |
10186 | if (arg2 == 0) { |
10187 | return -TARGET_EINVAL; | |
10188 | } | |
579a97f7 FB |
10189 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
10190 | goto efault; | |
5cd4393b | 10191 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 10192 | unlock_user_struct(target_schp, arg2, 0); |
5cd4393b FB |
10193 | ret = get_errno(sched_setparam(arg1, &schp)); |
10194 | } | |
10195 | break; | |
31e31b8a | 10196 | case TARGET_NR_sched_getparam: |
5cd4393b | 10197 | { |
53a5960a | 10198 | struct sched_param *target_schp; |
5cd4393b | 10199 | struct sched_param schp; |
a1d5c5b2 TM |
10200 | |
10201 | if (arg2 == 0) { | |
10202 | return -TARGET_EINVAL; | |
10203 | } | |
5cd4393b FB |
10204 | ret = get_errno(sched_getparam(arg1, &schp)); |
10205 | if (!is_error(ret)) { | |
579a97f7 FB |
10206 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
10207 | goto efault; | |
5cd4393b | 10208 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 10209 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
10210 | } |
10211 | } | |
10212 | break; | |
31e31b8a | 10213 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 10214 | { |
53a5960a | 10215 | struct sched_param *target_schp; |
5cd4393b | 10216 | struct sched_param schp; |
a1d5c5b2 TM |
10217 | if (arg3 == 0) { |
10218 | return -TARGET_EINVAL; | |
10219 | } | |
579a97f7 FB |
10220 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
10221 | goto efault; | |
5cd4393b | 10222 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 10223 | unlock_user_struct(target_schp, arg3, 0); |
5cd4393b FB |
10224 | ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
10225 | } | |
10226 | break; | |
31e31b8a | 10227 | case TARGET_NR_sched_getscheduler: |
5cd4393b FB |
10228 | ret = get_errno(sched_getscheduler(arg1)); |
10229 | break; | |
31e31b8a FB |
10230 | case TARGET_NR_sched_yield: |
10231 | ret = get_errno(sched_yield()); | |
10232 | break; | |
10233 | case TARGET_NR_sched_get_priority_max: | |
5cd4393b FB |
10234 | ret = get_errno(sched_get_priority_max(arg1)); |
10235 | break; | |
31e31b8a | 10236 | case TARGET_NR_sched_get_priority_min: |
5cd4393b FB |
10237 | ret = get_errno(sched_get_priority_min(arg1)); |
10238 | break; | |
31e31b8a | 10239 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 10240 | { |
5cd4393b FB |
10241 | struct timespec ts; |
10242 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
10243 | if (!is_error(ret)) { | |
d4290c40 | 10244 | ret = host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
10245 | } |
10246 | } | |
10247 | break; | |
31e31b8a | 10248 | case TARGET_NR_nanosleep: |
1b6b029e | 10249 | { |
1b6b029e | 10250 | struct timespec req, rem; |
53a5960a | 10251 | target_to_host_timespec(&req, arg1); |
9e518226 | 10252 | ret = get_errno(safe_nanosleep(&req, &rem)); |
53a5960a PB |
10253 | if (is_error(ret) && arg2) { |
10254 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
10255 | } |
10256 | } | |
10257 | break; | |
e5febef5 | 10258 | #ifdef TARGET_NR_query_module |
31e31b8a | 10259 | case TARGET_NR_query_module: |
5cd4393b | 10260 | goto unimplemented; |
e5febef5 TS |
10261 | #endif |
10262 | #ifdef TARGET_NR_nfsservctl | |
31e31b8a | 10263 | case TARGET_NR_nfsservctl: |
5cd4393b | 10264 | goto unimplemented; |
e5febef5 | 10265 | #endif |
31e31b8a | 10266 | case TARGET_NR_prctl: |
1e6722f8 PM |
10267 | switch (arg1) { |
10268 | case PR_GET_PDEATHSIG: | |
10269 | { | |
10270 | int deathsig; | |
10271 | ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); | |
10272 | if (!is_error(ret) && arg2 | |
10273 | && put_user_ual(deathsig, arg2)) { | |
10274 | goto efault; | |
e5574487 | 10275 | } |
1e6722f8 PM |
10276 | break; |
10277 | } | |
db9526b1 PM |
10278 | #ifdef PR_GET_NAME |
10279 | case PR_GET_NAME: | |
10280 | { | |
10281 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
10282 | if (!name) { | |
10283 | goto efault; | |
10284 | } | |
10285 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
10286 | arg3, arg4, arg5)); | |
10287 | unlock_user(name, arg2, 16); | |
10288 | break; | |
10289 | } | |
10290 | case PR_SET_NAME: | |
10291 | { | |
10292 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
10293 | if (!name) { | |
10294 | goto efault; | |
10295 | } | |
10296 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
10297 | arg3, arg4, arg5)); | |
10298 | unlock_user(name, arg2, 0); | |
10299 | break; | |
10300 | } | |
10301 | #endif | |
1e6722f8 PM |
10302 | default: |
10303 | /* Most prctl options have no pointer arguments */ | |
10304 | ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); | |
10305 | break; | |
10306 | } | |
39b9aae1 | 10307 | break; |
d2fd1af7 FB |
10308 | #ifdef TARGET_NR_arch_prctl |
10309 | case TARGET_NR_arch_prctl: | |
10310 | #if defined(TARGET_I386) && !defined(TARGET_ABI32) | |
10311 | ret = do_arch_prctl(cpu_env, arg1, arg2); | |
10312 | break; | |
10313 | #else | |
10314 | goto unimplemented; | |
10315 | #endif | |
10316 | #endif | |
f2c7ba15 AJ |
10317 | #ifdef TARGET_NR_pread64 |
10318 | case TARGET_NR_pread64: | |
ae017a5b AG |
10319 | if (regpairs_aligned(cpu_env)) { |
10320 | arg4 = arg5; | |
10321 | arg5 = arg6; | |
10322 | } | |
f2c7ba15 AJ |
10323 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
10324 | goto efault; | |
10325 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); | |
10326 | unlock_user(p, arg2, ret); | |
10327 | break; | |
10328 | case TARGET_NR_pwrite64: | |
ae017a5b AG |
10329 | if (regpairs_aligned(cpu_env)) { |
10330 | arg4 = arg5; | |
10331 | arg5 = arg6; | |
10332 | } | |
f2c7ba15 AJ |
10333 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
10334 | goto efault; | |
10335 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); | |
10336 | unlock_user(p, arg2, 0); | |
10337 | break; | |
67867308 | 10338 | #endif |
31e31b8a | 10339 | case TARGET_NR_getcwd: |
579a97f7 FB |
10340 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
10341 | goto efault; | |
53a5960a PB |
10342 | ret = get_errno(sys_getcwd1(p, arg2)); |
10343 | unlock_user(p, arg1, ret); | |
31e31b8a FB |
10344 | break; |
10345 | case TARGET_NR_capget: | |
10346 | case TARGET_NR_capset: | |
e0eb210e PM |
10347 | { |
10348 | struct target_user_cap_header *target_header; | |
10349 | struct target_user_cap_data *target_data = NULL; | |
10350 | struct __user_cap_header_struct header; | |
10351 | struct __user_cap_data_struct data[2]; | |
10352 | struct __user_cap_data_struct *dataptr = NULL; | |
10353 | int i, target_datalen; | |
10354 | int data_items = 1; | |
10355 | ||
10356 | if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { | |
10357 | goto efault; | |
10358 | } | |
10359 | header.version = tswap32(target_header->version); | |
10360 | header.pid = tswap32(target_header->pid); | |
10361 | ||
ec864874 | 10362 | if (header.version != _LINUX_CAPABILITY_VERSION) { |
e0eb210e PM |
10363 | /* Version 2 and up takes pointer to two user_data structs */ |
10364 | data_items = 2; | |
10365 | } | |
10366 | ||
10367 | target_datalen = sizeof(*target_data) * data_items; | |
10368 | ||
10369 | if (arg2) { | |
10370 | if (num == TARGET_NR_capget) { | |
10371 | target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0); | |
10372 | } else { | |
10373 | target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1); | |
10374 | } | |
10375 | if (!target_data) { | |
10376 | unlock_user_struct(target_header, arg1, 0); | |
10377 | goto efault; | |
10378 | } | |
10379 | ||
10380 | if (num == TARGET_NR_capset) { | |
10381 | for (i = 0; i < data_items; i++) { | |
10382 | data[i].effective = tswap32(target_data[i].effective); | |
10383 | data[i].permitted = tswap32(target_data[i].permitted); | |
10384 | data[i].inheritable = tswap32(target_data[i].inheritable); | |
10385 | } | |
10386 | } | |
10387 | ||
10388 | dataptr = data; | |
10389 | } | |
10390 | ||
10391 | if (num == TARGET_NR_capget) { | |
10392 | ret = get_errno(capget(&header, dataptr)); | |
10393 | } else { | |
10394 | ret = get_errno(capset(&header, dataptr)); | |
10395 | } | |
10396 | ||
10397 | /* The kernel always updates version for both capget and capset */ | |
10398 | target_header->version = tswap32(header.version); | |
10399 | unlock_user_struct(target_header, arg1, 1); | |
10400 | ||
10401 | if (arg2) { | |
10402 | if (num == TARGET_NR_capget) { | |
10403 | for (i = 0; i < data_items; i++) { | |
10404 | target_data[i].effective = tswap32(data[i].effective); | |
10405 | target_data[i].permitted = tswap32(data[i].permitted); | |
10406 | target_data[i].inheritable = tswap32(data[i].inheritable); | |
10407 | } | |
10408 | unlock_user(target_data, arg2, target_datalen); | |
10409 | } else { | |
10410 | unlock_user(target_data, arg2, 0); | |
10411 | } | |
10412 | } | |
10413 | break; | |
10414 | } | |
31e31b8a | 10415 | case TARGET_NR_sigaltstack: |
9349b4f9 | 10416 | ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env)); |
a04e134a | 10417 | break; |
a8fd1aba PM |
10418 | |
10419 | #ifdef CONFIG_SENDFILE | |
10420 | case TARGET_NR_sendfile: | |
10421 | { | |
10422 | off_t *offp = NULL; | |
10423 | off_t off; | |
10424 | if (arg3) { | |
10425 | ret = get_user_sal(off, arg3); | |
10426 | if (is_error(ret)) { | |
10427 | break; | |
10428 | } | |
10429 | offp = &off; | |
10430 | } | |
10431 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
10432 | if (!is_error(ret) && arg3) { | |
10433 | abi_long ret2 = put_user_sal(off, arg3); | |
10434 | if (is_error(ret2)) { | |
10435 | ret = ret2; | |
10436 | } | |
10437 | } | |
10438 | break; | |
10439 | } | |
10440 | #ifdef TARGET_NR_sendfile64 | |
10441 | case TARGET_NR_sendfile64: | |
10442 | { | |
10443 | off_t *offp = NULL; | |
10444 | off_t off; | |
10445 | if (arg3) { | |
10446 | ret = get_user_s64(off, arg3); | |
10447 | if (is_error(ret)) { | |
10448 | break; | |
10449 | } | |
10450 | offp = &off; | |
10451 | } | |
10452 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
10453 | if (!is_error(ret) && arg3) { | |
10454 | abi_long ret2 = put_user_s64(off, arg3); | |
10455 | if (is_error(ret2)) { | |
10456 | ret = ret2; | |
10457 | } | |
10458 | } | |
10459 | break; | |
10460 | } | |
10461 | #endif | |
10462 | #else | |
31e31b8a | 10463 | case TARGET_NR_sendfile: |
7edd2cf1 | 10464 | #ifdef TARGET_NR_sendfile64 |
a8fd1aba PM |
10465 | case TARGET_NR_sendfile64: |
10466 | #endif | |
5cd4393b | 10467 | goto unimplemented; |
a8fd1aba PM |
10468 | #endif |
10469 | ||
ebc05488 | 10470 | #ifdef TARGET_NR_getpmsg |
31e31b8a | 10471 | case TARGET_NR_getpmsg: |
5cd4393b | 10472 | goto unimplemented; |
ebc05488 FB |
10473 | #endif |
10474 | #ifdef TARGET_NR_putpmsg | |
31e31b8a | 10475 | case TARGET_NR_putpmsg: |
5cd4393b | 10476 | goto unimplemented; |
ebc05488 | 10477 | #endif |
048f6b4d | 10478 | #ifdef TARGET_NR_vfork |
31e31b8a | 10479 | case TARGET_NR_vfork: |
d865bab5 PB |
10480 | ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, |
10481 | 0, 0, 0, 0)); | |
31e31b8a | 10482 | break; |
048f6b4d | 10483 | #endif |
ebc05488 | 10484 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 10485 | case TARGET_NR_ugetrlimit: |
728584be FB |
10486 | { |
10487 | struct rlimit rlim; | |
e22b7015 WT |
10488 | int resource = target_to_host_resource(arg1); |
10489 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 10490 | if (!is_error(ret)) { |
53a5960a | 10491 | struct target_rlimit *target_rlim; |
579a97f7 FB |
10492 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
10493 | goto efault; | |
81bbe906 TY |
10494 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
10495 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 10496 | unlock_user_struct(target_rlim, arg2, 1); |
728584be FB |
10497 | } |
10498 | break; | |
10499 | } | |
ebc05488 | 10500 | #endif |
a315a145 | 10501 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 10502 | case TARGET_NR_truncate64: |
579a97f7 FB |
10503 | if (!(p = lock_user_string(arg1))) |
10504 | goto efault; | |
53a5960a PB |
10505 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
10506 | unlock_user(p, arg1, 0); | |
667f38b1 | 10507 | break; |
a315a145 FB |
10508 | #endif |
10509 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 10510 | case TARGET_NR_ftruncate64: |
ce4defa0 | 10511 | ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
667f38b1 | 10512 | break; |
a315a145 FB |
10513 | #endif |
10514 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 10515 | case TARGET_NR_stat64: |
579a97f7 FB |
10516 | if (!(p = lock_user_string(arg1))) |
10517 | goto efault; | |
53a5960a PB |
10518 | ret = get_errno(stat(path(p), &st)); |
10519 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
10520 | if (!is_error(ret)) |
10521 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
10522 | break; | |
a315a145 FB |
10523 | #endif |
10524 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 10525 | case TARGET_NR_lstat64: |
579a97f7 FB |
10526 | if (!(p = lock_user_string(arg1))) |
10527 | goto efault; | |
53a5960a PB |
10528 | ret = get_errno(lstat(path(p), &st)); |
10529 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
10530 | if (!is_error(ret)) |
10531 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
10532 | break; | |
a315a145 FB |
10533 | #endif |
10534 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 10535 | case TARGET_NR_fstat64: |
6a24a778 AZ |
10536 | ret = get_errno(fstat(arg1, &st)); |
10537 | if (!is_error(ret)) | |
10538 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
10539 | break; | |
ce4defa0 | 10540 | #endif |
c0d472b1 | 10541 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) |
9d33b76b | 10542 | #ifdef TARGET_NR_fstatat64 |
6a24a778 | 10543 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
10544 | #endif |
10545 | #ifdef TARGET_NR_newfstatat | |
10546 | case TARGET_NR_newfstatat: | |
10547 | #endif | |
6a24a778 AZ |
10548 | if (!(p = lock_user_string(arg2))) |
10549 | goto efault; | |
c0d472b1 | 10550 | ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
6a24a778 AZ |
10551 | if (!is_error(ret)) |
10552 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
60cd49d5 | 10553 | break; |
a315a145 | 10554 | #endif |
704eff6c | 10555 | #ifdef TARGET_NR_lchown |
67867308 | 10556 | case TARGET_NR_lchown: |
579a97f7 FB |
10557 | if (!(p = lock_user_string(arg1))) |
10558 | goto efault; | |
53a5960a PB |
10559 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
10560 | unlock_user(p, arg1, 0); | |
67867308 | 10561 | break; |
704eff6c | 10562 | #endif |
0c866a7e | 10563 | #ifdef TARGET_NR_getuid |
67867308 FB |
10564 | case TARGET_NR_getuid: |
10565 | ret = get_errno(high2lowuid(getuid())); | |
10566 | break; | |
0c866a7e RV |
10567 | #endif |
10568 | #ifdef TARGET_NR_getgid | |
67867308 FB |
10569 | case TARGET_NR_getgid: |
10570 | ret = get_errno(high2lowgid(getgid())); | |
10571 | break; | |
0c866a7e RV |
10572 | #endif |
10573 | #ifdef TARGET_NR_geteuid | |
67867308 FB |
10574 | case TARGET_NR_geteuid: |
10575 | ret = get_errno(high2lowuid(geteuid())); | |
10576 | break; | |
0c866a7e RV |
10577 | #endif |
10578 | #ifdef TARGET_NR_getegid | |
67867308 FB |
10579 | case TARGET_NR_getegid: |
10580 | ret = get_errno(high2lowgid(getegid())); | |
10581 | break; | |
0c866a7e | 10582 | #endif |
67867308 FB |
10583 | case TARGET_NR_setreuid: |
10584 | ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); | |
10585 | break; | |
10586 | case TARGET_NR_setregid: | |
10587 | ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); | |
10588 | break; | |
10589 | case TARGET_NR_getgroups: | |
10590 | { | |
10591 | int gidsetsize = arg1; | |
0c866a7e | 10592 | target_id *target_grouplist; |
67867308 FB |
10593 | gid_t *grouplist; |
10594 | int i; | |
10595 | ||
10596 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
10597 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 AZ |
10598 | if (gidsetsize == 0) |
10599 | break; | |
67867308 | 10600 | if (!is_error(ret)) { |
03903ffc | 10601 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); |
579a97f7 FB |
10602 | if (!target_grouplist) |
10603 | goto efault; | |
a2155fcc | 10604 | for(i = 0;i < ret; i++) |
0c866a7e | 10605 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
03903ffc | 10606 | unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); |
67867308 FB |
10607 | } |
10608 | } | |
10609 | break; | |
10610 | case TARGET_NR_setgroups: | |
10611 | { | |
10612 | int gidsetsize = arg1; | |
0c866a7e | 10613 | target_id *target_grouplist; |
f2b79ce9 | 10614 | gid_t *grouplist = NULL; |
67867308 | 10615 | int i; |
f2b79ce9 DA |
10616 | if (gidsetsize) { |
10617 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
03903ffc | 10618 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1); |
f2b79ce9 DA |
10619 | if (!target_grouplist) { |
10620 | ret = -TARGET_EFAULT; | |
10621 | goto fail; | |
10622 | } | |
10623 | for (i = 0; i < gidsetsize; i++) { | |
10624 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
10625 | } | |
10626 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 10627 | } |
67867308 FB |
10628 | ret = get_errno(setgroups(gidsetsize, grouplist)); |
10629 | } | |
10630 | break; | |
10631 | case TARGET_NR_fchown: | |
10632 | ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); | |
10633 | break; | |
c0d472b1 | 10634 | #if defined(TARGET_NR_fchownat) |
ccfa72b7 | 10635 | case TARGET_NR_fchownat: |
579a97f7 FB |
10636 | if (!(p = lock_user_string(arg2))) |
10637 | goto efault; | |
c0d472b1 PM |
10638 | ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
10639 | low2highgid(arg4), arg5)); | |
579a97f7 | 10640 | unlock_user(p, arg2, 0); |
ccfa72b7 TS |
10641 | break; |
10642 | #endif | |
67867308 FB |
10643 | #ifdef TARGET_NR_setresuid |
10644 | case TARGET_NR_setresuid: | |
fd6f7798 PM |
10645 | ret = get_errno(sys_setresuid(low2highuid(arg1), |
10646 | low2highuid(arg2), | |
10647 | low2highuid(arg3))); | |
67867308 FB |
10648 | break; |
10649 | #endif | |
10650 | #ifdef TARGET_NR_getresuid | |
10651 | case TARGET_NR_getresuid: | |
10652 | { | |
53a5960a | 10653 | uid_t ruid, euid, suid; |
67867308 FB |
10654 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
10655 | if (!is_error(ret)) { | |
76ca310a PM |
10656 | if (put_user_id(high2lowuid(ruid), arg1) |
10657 | || put_user_id(high2lowuid(euid), arg2) | |
10658 | || put_user_id(high2lowuid(suid), arg3)) | |
2f619698 | 10659 | goto efault; |
67867308 FB |
10660 | } |
10661 | } | |
10662 | break; | |
10663 | #endif | |
10664 | #ifdef TARGET_NR_getresgid | |
10665 | case TARGET_NR_setresgid: | |
fd6f7798 PM |
10666 | ret = get_errno(sys_setresgid(low2highgid(arg1), |
10667 | low2highgid(arg2), | |
10668 | low2highgid(arg3))); | |
67867308 FB |
10669 | break; |
10670 | #endif | |
10671 | #ifdef TARGET_NR_getresgid | |
10672 | case TARGET_NR_getresgid: | |
10673 | { | |
53a5960a | 10674 | gid_t rgid, egid, sgid; |
67867308 FB |
10675 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
10676 | if (!is_error(ret)) { | |
76ca310a PM |
10677 | if (put_user_id(high2lowgid(rgid), arg1) |
10678 | || put_user_id(high2lowgid(egid), arg2) | |
10679 | || put_user_id(high2lowgid(sgid), arg3)) | |
2f619698 | 10680 | goto efault; |
67867308 FB |
10681 | } |
10682 | } | |
10683 | break; | |
10684 | #endif | |
704eff6c | 10685 | #ifdef TARGET_NR_chown |
67867308 | 10686 | case TARGET_NR_chown: |
579a97f7 FB |
10687 | if (!(p = lock_user_string(arg1))) |
10688 | goto efault; | |
53a5960a PB |
10689 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
10690 | unlock_user(p, arg1, 0); | |
67867308 | 10691 | break; |
704eff6c | 10692 | #endif |
67867308 | 10693 | case TARGET_NR_setuid: |
fd6f7798 | 10694 | ret = get_errno(sys_setuid(low2highuid(arg1))); |
67867308 FB |
10695 | break; |
10696 | case TARGET_NR_setgid: | |
fd6f7798 | 10697 | ret = get_errno(sys_setgid(low2highgid(arg1))); |
67867308 FB |
10698 | break; |
10699 | case TARGET_NR_setfsuid: | |
10700 | ret = get_errno(setfsuid(arg1)); | |
10701 | break; | |
10702 | case TARGET_NR_setfsgid: | |
10703 | ret = get_errno(setfsgid(arg1)); | |
10704 | break; | |
67867308 | 10705 | |
a315a145 | 10706 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 10707 | case TARGET_NR_lchown32: |
579a97f7 FB |
10708 | if (!(p = lock_user_string(arg1))) |
10709 | goto efault; | |
53a5960a PB |
10710 | ret = get_errno(lchown(p, arg2, arg3)); |
10711 | unlock_user(p, arg1, 0); | |
b03c60f3 | 10712 | break; |
a315a145 FB |
10713 | #endif |
10714 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 10715 | case TARGET_NR_getuid32: |
b03c60f3 FB |
10716 | ret = get_errno(getuid()); |
10717 | break; | |
a315a145 | 10718 | #endif |
64b4d28c AJ |
10719 | |
10720 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
10721 | /* Alpha specific */ | |
10722 | case TARGET_NR_getxuid: | |
ba0e276d RH |
10723 | { |
10724 | uid_t euid; | |
10725 | euid=geteuid(); | |
10726 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; | |
10727 | } | |
64b4d28c AJ |
10728 | ret = get_errno(getuid()); |
10729 | break; | |
10730 | #endif | |
10731 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
10732 | /* Alpha specific */ | |
10733 | case TARGET_NR_getxgid: | |
ba0e276d RH |
10734 | { |
10735 | uid_t egid; | |
10736 | egid=getegid(); | |
10737 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; | |
10738 | } | |
64b4d28c AJ |
10739 | ret = get_errno(getgid()); |
10740 | break; | |
10741 | #endif | |
ba0e276d RH |
10742 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
10743 | /* Alpha specific */ | |
10744 | case TARGET_NR_osf_getsysinfo: | |
10745 | ret = -TARGET_EOPNOTSUPP; | |
10746 | switch (arg1) { | |
10747 | case TARGET_GSI_IEEE_FP_CONTROL: | |
10748 | { | |
10749 | uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env); | |
10750 | ||
10751 | /* Copied from linux ieee_fpcr_to_swcr. */ | |
10752 | swcr = (fpcr >> 35) & SWCR_STATUS_MASK; | |
10753 | swcr |= (fpcr >> 36) & SWCR_MAP_DMZ; | |
10754 | swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV | |
10755 | | SWCR_TRAP_ENABLE_DZE | |
10756 | | SWCR_TRAP_ENABLE_OVF); | |
10757 | swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF | |
10758 | | SWCR_TRAP_ENABLE_INE); | |
10759 | swcr |= (fpcr >> 47) & SWCR_MAP_UMZ; | |
10760 | swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO; | |
10761 | ||
10762 | if (put_user_u64 (swcr, arg2)) | |
10763 | goto efault; | |
10764 | ret = 0; | |
10765 | } | |
10766 | break; | |
10767 | ||
10768 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
10769 | -- Not implemented in linux kernel. | |
10770 | case GSI_UACPROC: | |
10771 | -- Retrieves current unaligned access state; not much used. | |
10772 | case GSI_PROC_TYPE: | |
10773 | -- Retrieves implver information; surely not used. | |
10774 | case GSI_GET_HWRPB: | |
10775 | -- Grabs a copy of the HWRPB; surely not used. | |
10776 | */ | |
10777 | } | |
10778 | break; | |
10779 | #endif | |
10780 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
10781 | /* Alpha specific */ | |
10782 | case TARGET_NR_osf_setsysinfo: | |
10783 | ret = -TARGET_EOPNOTSUPP; | |
10784 | switch (arg1) { | |
10785 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d RH |
10786 | { |
10787 | uint64_t swcr, fpcr, orig_fpcr; | |
10788 | ||
6e06d515 | 10789 | if (get_user_u64 (swcr, arg2)) { |
ba0e276d | 10790 | goto efault; |
6e06d515 RH |
10791 | } |
10792 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d RH |
10793 | fpcr = orig_fpcr & FPCR_DYN_MASK; |
10794 | ||
10795 | /* Copied from linux ieee_swcr_to_fpcr. */ | |
10796 | fpcr |= (swcr & SWCR_STATUS_MASK) << 35; | |
10797 | fpcr |= (swcr & SWCR_MAP_DMZ) << 36; | |
10798 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV | |
10799 | | SWCR_TRAP_ENABLE_DZE | |
10800 | | SWCR_TRAP_ENABLE_OVF)) << 48; | |
10801 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF | |
10802 | | SWCR_TRAP_ENABLE_INE)) << 57; | |
10803 | fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0); | |
10804 | fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41; | |
10805 | ||
6e06d515 | 10806 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 10807 | ret = 0; |
6e06d515 RH |
10808 | } |
10809 | break; | |
10810 | ||
10811 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
10812 | { | |
10813 | uint64_t exc, fpcr, orig_fpcr; | |
10814 | int si_code; | |
10815 | ||
10816 | if (get_user_u64(exc, arg2)) { | |
10817 | goto efault; | |
10818 | } | |
ba0e276d | 10819 | |
6e06d515 | 10820 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); |
ba0e276d | 10821 | |
6e06d515 RH |
10822 | /* We only add to the exception status here. */ |
10823 | fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35); | |
10824 | ||
10825 | cpu_alpha_store_fpcr(cpu_env, fpcr); | |
10826 | ret = 0; | |
10827 | ||
10828 | /* Old exceptions are not signaled. */ | |
10829 | fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK); | |
10830 | ||
10831 | /* If any exceptions set by this call, | |
10832 | and are unmasked, send a signal. */ | |
10833 | si_code = 0; | |
10834 | if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) { | |
10835 | si_code = TARGET_FPE_FLTRES; | |
10836 | } | |
10837 | if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) { | |
10838 | si_code = TARGET_FPE_FLTUND; | |
10839 | } | |
10840 | if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) { | |
10841 | si_code = TARGET_FPE_FLTOVF; | |
10842 | } | |
10843 | if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) { | |
10844 | si_code = TARGET_FPE_FLTDIV; | |
10845 | } | |
10846 | if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) { | |
10847 | si_code = TARGET_FPE_FLTINV; | |
10848 | } | |
10849 | if (si_code != 0) { | |
10850 | target_siginfo_t info; | |
10851 | info.si_signo = SIGFPE; | |
10852 | info.si_errno = 0; | |
10853 | info.si_code = si_code; | |
10854 | info._sifields._sigfault._addr | |
10855 | = ((CPUArchState *)cpu_env)->pc; | |
9d2803f7 PM |
10856 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
10857 | QEMU_SI_FAULT, &info); | |
ba0e276d RH |
10858 | } |
10859 | } | |
10860 | break; | |
10861 | ||
10862 | /* case SSI_NVPAIRS: | |
10863 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
10864 | case SSI_IEEE_STATE_AT_SIGNAL: | |
10865 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
10866 | -- Not implemented in linux kernel | |
10867 | */ | |
10868 | } | |
10869 | break; | |
10870 | #endif | |
10871 | #ifdef TARGET_NR_osf_sigprocmask | |
10872 | /* Alpha specific. */ | |
10873 | case TARGET_NR_osf_sigprocmask: | |
10874 | { | |
10875 | abi_ulong mask; | |
bc088ba1 | 10876 | int how; |
ba0e276d RH |
10877 | sigset_t set, oldset; |
10878 | ||
10879 | switch(arg1) { | |
10880 | case TARGET_SIG_BLOCK: | |
10881 | how = SIG_BLOCK; | |
10882 | break; | |
10883 | case TARGET_SIG_UNBLOCK: | |
10884 | how = SIG_UNBLOCK; | |
10885 | break; | |
10886 | case TARGET_SIG_SETMASK: | |
10887 | how = SIG_SETMASK; | |
10888 | break; | |
10889 | default: | |
10890 | ret = -TARGET_EINVAL; | |
10891 | goto fail; | |
10892 | } | |
10893 | mask = arg2; | |
10894 | target_to_host_old_sigset(&set, &mask); | |
3d3efba0 PM |
10895 | ret = do_sigprocmask(how, &set, &oldset); |
10896 | if (!ret) { | |
10897 | host_to_target_old_sigset(&mask, &oldset); | |
10898 | ret = mask; | |
10899 | } | |
ba0e276d RH |
10900 | } |
10901 | break; | |
10902 | #endif | |
64b4d28c | 10903 | |
a315a145 | 10904 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 10905 | case TARGET_NR_getgid32: |
b03c60f3 FB |
10906 | ret = get_errno(getgid()); |
10907 | break; | |
a315a145 FB |
10908 | #endif |
10909 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 10910 | case TARGET_NR_geteuid32: |
b03c60f3 FB |
10911 | ret = get_errno(geteuid()); |
10912 | break; | |
a315a145 FB |
10913 | #endif |
10914 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 10915 | case TARGET_NR_getegid32: |
b03c60f3 FB |
10916 | ret = get_errno(getegid()); |
10917 | break; | |
a315a145 FB |
10918 | #endif |
10919 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 10920 | case TARGET_NR_setreuid32: |
b03c60f3 FB |
10921 | ret = get_errno(setreuid(arg1, arg2)); |
10922 | break; | |
a315a145 FB |
10923 | #endif |
10924 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 10925 | case TARGET_NR_setregid32: |
b03c60f3 FB |
10926 | ret = get_errno(setregid(arg1, arg2)); |
10927 | break; | |
a315a145 FB |
10928 | #endif |
10929 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 10930 | case TARGET_NR_getgroups32: |
99c475ab FB |
10931 | { |
10932 | int gidsetsize = arg1; | |
53a5960a | 10933 | uint32_t *target_grouplist; |
99c475ab FB |
10934 | gid_t *grouplist; |
10935 | int i; | |
10936 | ||
10937 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
10938 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 AZ |
10939 | if (gidsetsize == 0) |
10940 | break; | |
99c475ab | 10941 | if (!is_error(ret)) { |
579a97f7 FB |
10942 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
10943 | if (!target_grouplist) { | |
10944 | ret = -TARGET_EFAULT; | |
10945 | goto fail; | |
10946 | } | |
a2155fcc | 10947 | for(i = 0;i < ret; i++) |
53a5960a PB |
10948 | target_grouplist[i] = tswap32(grouplist[i]); |
10949 | unlock_user(target_grouplist, arg2, gidsetsize * 4); | |
99c475ab FB |
10950 | } |
10951 | } | |
10952 | break; | |
a315a145 FB |
10953 | #endif |
10954 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 10955 | case TARGET_NR_setgroups32: |
99c475ab FB |
10956 | { |
10957 | int gidsetsize = arg1; | |
53a5960a | 10958 | uint32_t *target_grouplist; |
99c475ab FB |
10959 | gid_t *grouplist; |
10960 | int i; | |
3b46e624 | 10961 | |
99c475ab | 10962 | grouplist = alloca(gidsetsize * sizeof(gid_t)); |
579a97f7 FB |
10963 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
10964 | if (!target_grouplist) { | |
10965 | ret = -TARGET_EFAULT; | |
10966 | goto fail; | |
10967 | } | |
99c475ab | 10968 | for(i = 0;i < gidsetsize; i++) |
53a5960a PB |
10969 | grouplist[i] = tswap32(target_grouplist[i]); |
10970 | unlock_user(target_grouplist, arg2, 0); | |
99c475ab FB |
10971 | ret = get_errno(setgroups(gidsetsize, grouplist)); |
10972 | } | |
10973 | break; | |
a315a145 FB |
10974 | #endif |
10975 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 10976 | case TARGET_NR_fchown32: |
b03c60f3 FB |
10977 | ret = get_errno(fchown(arg1, arg2, arg3)); |
10978 | break; | |
a315a145 FB |
10979 | #endif |
10980 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 10981 | case TARGET_NR_setresuid32: |
fd6f7798 | 10982 | ret = get_errno(sys_setresuid(arg1, arg2, arg3)); |
b03c60f3 | 10983 | break; |
a315a145 FB |
10984 | #endif |
10985 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 10986 | case TARGET_NR_getresuid32: |
b03c60f3 | 10987 | { |
53a5960a | 10988 | uid_t ruid, euid, suid; |
b03c60f3 FB |
10989 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
10990 | if (!is_error(ret)) { | |
2f619698 FB |
10991 | if (put_user_u32(ruid, arg1) |
10992 | || put_user_u32(euid, arg2) | |
10993 | || put_user_u32(suid, arg3)) | |
10994 | goto efault; | |
b03c60f3 FB |
10995 | } |
10996 | } | |
10997 | break; | |
a315a145 FB |
10998 | #endif |
10999 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 11000 | case TARGET_NR_setresgid32: |
fd6f7798 | 11001 | ret = get_errno(sys_setresgid(arg1, arg2, arg3)); |
b03c60f3 | 11002 | break; |
a315a145 FB |
11003 | #endif |
11004 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 11005 | case TARGET_NR_getresgid32: |
b03c60f3 | 11006 | { |
53a5960a | 11007 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
11008 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
11009 | if (!is_error(ret)) { | |
2f619698 FB |
11010 | if (put_user_u32(rgid, arg1) |
11011 | || put_user_u32(egid, arg2) | |
11012 | || put_user_u32(sgid, arg3)) | |
11013 | goto efault; | |
b03c60f3 FB |
11014 | } |
11015 | } | |
11016 | break; | |
a315a145 FB |
11017 | #endif |
11018 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 11019 | case TARGET_NR_chown32: |
579a97f7 FB |
11020 | if (!(p = lock_user_string(arg1))) |
11021 | goto efault; | |
53a5960a PB |
11022 | ret = get_errno(chown(p, arg2, arg3)); |
11023 | unlock_user(p, arg1, 0); | |
b03c60f3 | 11024 | break; |
a315a145 FB |
11025 | #endif |
11026 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 11027 | case TARGET_NR_setuid32: |
fd6f7798 | 11028 | ret = get_errno(sys_setuid(arg1)); |
b03c60f3 | 11029 | break; |
a315a145 FB |
11030 | #endif |
11031 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 11032 | case TARGET_NR_setgid32: |
fd6f7798 | 11033 | ret = get_errno(sys_setgid(arg1)); |
b03c60f3 | 11034 | break; |
a315a145 FB |
11035 | #endif |
11036 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 11037 | case TARGET_NR_setfsuid32: |
b03c60f3 FB |
11038 | ret = get_errno(setfsuid(arg1)); |
11039 | break; | |
a315a145 FB |
11040 | #endif |
11041 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 11042 | case TARGET_NR_setfsgid32: |
b03c60f3 FB |
11043 | ret = get_errno(setfsgid(arg1)); |
11044 | break; | |
a315a145 | 11045 | #endif |
67867308 | 11046 | |
31e31b8a | 11047 | case TARGET_NR_pivot_root: |
b03c60f3 | 11048 | goto unimplemented; |
ffa65c3b | 11049 | #ifdef TARGET_NR_mincore |
31e31b8a | 11050 | case TARGET_NR_mincore: |
04bb9ace AJ |
11051 | { |
11052 | void *a; | |
11053 | ret = -TARGET_EFAULT; | |
11054 | if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0))) | |
11055 | goto efault; | |
11056 | if (!(p = lock_user_string(arg3))) | |
11057 | goto mincore_fail; | |
11058 | ret = get_errno(mincore(a, arg2, p)); | |
11059 | unlock_user(p, arg3, ret); | |
11060 | mincore_fail: | |
11061 | unlock_user(a, arg1, 0); | |
11062 | } | |
11063 | break; | |
ffa65c3b | 11064 | #endif |
408321b6 AJ |
11065 | #ifdef TARGET_NR_arm_fadvise64_64 |
11066 | case TARGET_NR_arm_fadvise64_64: | |
e0156a9d PM |
11067 | /* arm_fadvise64_64 looks like fadvise64_64 but |
11068 | * with different argument order: fd, advice, offset, len | |
11069 | * rather than the usual fd, offset, len, advice. | |
11070 | * Note that offset and len are both 64-bit so appear as | |
11071 | * pairs of 32-bit registers. | |
11072 | */ | |
11073 | ret = posix_fadvise(arg1, target_offset64(arg3, arg4), | |
11074 | target_offset64(arg5, arg6), arg2); | |
11075 | ret = -host_to_target_errno(ret); | |
11076 | break; | |
408321b6 | 11077 | #endif |
badd3cd8 PM |
11078 | |
11079 | #if TARGET_ABI_BITS == 32 | |
11080 | ||
11081 | #ifdef TARGET_NR_fadvise64_64 | |
11082 | case TARGET_NR_fadvise64_64: | |
11083 | /* 6 args: fd, offset (high, low), len (high, low), advice */ | |
11084 | if (regpairs_aligned(cpu_env)) { | |
11085 | /* offset is in (3,4), len in (5,6) and advice in 7 */ | |
11086 | arg2 = arg3; | |
11087 | arg3 = arg4; | |
11088 | arg4 = arg5; | |
11089 | arg5 = arg6; | |
11090 | arg6 = arg7; | |
11091 | } | |
11092 | ret = -host_to_target_errno(posix_fadvise(arg1, | |
11093 | target_offset64(arg2, arg3), | |
11094 | target_offset64(arg4, arg5), | |
11095 | arg6)); | |
11096 | break; | |
11097 | #endif | |
11098 | ||
11099 | #ifdef TARGET_NR_fadvise64 | |
11100 | case TARGET_NR_fadvise64: | |
11101 | /* 5 args: fd, offset (high, low), len, advice */ | |
11102 | if (regpairs_aligned(cpu_env)) { | |
11103 | /* offset is in (3,4), len in 5 and advice in 6 */ | |
11104 | arg2 = arg3; | |
11105 | arg3 = arg4; | |
11106 | arg4 = arg5; | |
11107 | arg5 = arg6; | |
11108 | } | |
11109 | ret = -host_to_target_errno(posix_fadvise(arg1, | |
11110 | target_offset64(arg2, arg3), | |
11111 | arg4, arg5)); | |
11112 | break; | |
408321b6 | 11113 | #endif |
badd3cd8 PM |
11114 | |
11115 | #else /* not a 32-bit ABI */ | |
e0156a9d | 11116 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
11117 | #ifdef TARGET_NR_fadvise64_64 |
11118 | case TARGET_NR_fadvise64_64: | |
11119 | #endif | |
e72d2cc7 UH |
11120 | #ifdef TARGET_NR_fadvise64 |
11121 | case TARGET_NR_fadvise64: | |
11122 | #endif | |
11123 | #ifdef TARGET_S390X | |
11124 | switch (arg4) { | |
11125 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
11126 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
11127 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
11128 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
11129 | default: break; | |
11130 | } | |
11131 | #endif | |
977d8241 PM |
11132 | ret = -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); |
11133 | break; | |
408321b6 | 11134 | #endif |
badd3cd8 PM |
11135 | #endif /* end of 64-bit ABI fadvise handling */ |
11136 | ||
ffa65c3b | 11137 | #ifdef TARGET_NR_madvise |
31e31b8a | 11138 | case TARGET_NR_madvise: |
24836689 | 11139 | /* A straight passthrough may not be safe because qemu sometimes |
d2d6b857 | 11140 | turns private file-backed mappings into anonymous mappings. |
24836689 PB |
11141 | This will break MADV_DONTNEED. |
11142 | This is a hint, so ignoring and returning success is ok. */ | |
11143 | ret = get_errno(0); | |
11144 | break; | |
ffa65c3b | 11145 | #endif |
992f48a0 | 11146 | #if TARGET_ABI_BITS == 32 |
31e31b8a | 11147 | case TARGET_NR_fcntl64: |
77e4672d | 11148 | { |
b1e341eb | 11149 | int cmd; |
77e4672d | 11150 | struct flock64 fl; |
213d3e9e PM |
11151 | from_flock64_fn *copyfrom = copy_from_user_flock64; |
11152 | to_flock64_fn *copyto = copy_to_user_flock64; | |
11153 | ||
ce4defa0 | 11154 | #ifdef TARGET_ARM |
213d3e9e PM |
11155 | if (((CPUARMState *)cpu_env)->eabi) { |
11156 | copyfrom = copy_from_user_eabi_flock64; | |
11157 | copyto = copy_to_user_eabi_flock64; | |
11158 | } | |
ce4defa0 | 11159 | #endif |
77e4672d | 11160 | |
5f106811 | 11161 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 PM |
11162 | if (cmd == -TARGET_EINVAL) { |
11163 | ret = cmd; | |
11164 | break; | |
11165 | } | |
b1e341eb | 11166 | |
60cd49d5 | 11167 | switch(arg2) { |
b1e341eb | 11168 | case TARGET_F_GETLK64: |
213d3e9e PM |
11169 | ret = copyfrom(&fl, arg3); |
11170 | if (ret) { | |
11171 | break; | |
5813427b | 11172 | } |
b1e341eb | 11173 | ret = get_errno(fcntl(arg1, cmd, &fl)); |
213d3e9e PM |
11174 | if (ret == 0) { |
11175 | ret = copyto(arg3, &fl); | |
11176 | } | |
77e4672d FB |
11177 | break; |
11178 | ||
b1e341eb TS |
11179 | case TARGET_F_SETLK64: |
11180 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
11181 | ret = copyfrom(&fl, arg3); |
11182 | if (ret) { | |
11183 | break; | |
ce4defa0 | 11184 | } |
435da5e7 | 11185 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
77e4672d | 11186 | break; |
60cd49d5 | 11187 | default: |
5f106811 | 11188 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
11189 | break; |
11190 | } | |
77e4672d FB |
11191 | break; |
11192 | } | |
60cd49d5 | 11193 | #endif |
7d600c80 TS |
11194 | #ifdef TARGET_NR_cacheflush |
11195 | case TARGET_NR_cacheflush: | |
11196 | /* self-modifying code is handled automatically, so nothing needed */ | |
11197 | ret = 0; | |
11198 | break; | |
11199 | #endif | |
ebc05488 | 11200 | #ifdef TARGET_NR_security |
31e31b8a FB |
11201 | case TARGET_NR_security: |
11202 | goto unimplemented; | |
c573ff67 FB |
11203 | #endif |
11204 | #ifdef TARGET_NR_getpagesize | |
11205 | case TARGET_NR_getpagesize: | |
11206 | ret = TARGET_PAGE_SIZE; | |
11207 | break; | |
ebc05488 | 11208 | #endif |
31e31b8a FB |
11209 | case TARGET_NR_gettid: |
11210 | ret = get_errno(gettid()); | |
11211 | break; | |
e5febef5 | 11212 | #ifdef TARGET_NR_readahead |
31e31b8a | 11213 | case TARGET_NR_readahead: |
2054ac9b | 11214 | #if TARGET_ABI_BITS == 32 |
48e515d4 | 11215 | if (regpairs_aligned(cpu_env)) { |
2054ac9b AJ |
11216 | arg2 = arg3; |
11217 | arg3 = arg4; | |
11218 | arg4 = arg5; | |
11219 | } | |
2054ac9b AJ |
11220 | ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4)); |
11221 | #else | |
11222 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
11223 | #endif | |
11224 | break; | |
e5febef5 | 11225 | #endif |
a790ae38 | 11226 | #ifdef CONFIG_ATTR |
ebc05488 | 11227 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
11228 | case TARGET_NR_listxattr: |
11229 | case TARGET_NR_llistxattr: | |
fb5590f7 PM |
11230 | { |
11231 | void *p, *b = 0; | |
11232 | if (arg2) { | |
11233 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
11234 | if (!b) { | |
11235 | ret = -TARGET_EFAULT; | |
11236 | break; | |
11237 | } | |
11238 | } | |
11239 | p = lock_user_string(arg1); | |
11240 | if (p) { | |
11241 | if (num == TARGET_NR_listxattr) { | |
11242 | ret = get_errno(listxattr(p, b, arg3)); | |
11243 | } else { | |
11244 | ret = get_errno(llistxattr(p, b, arg3)); | |
11245 | } | |
11246 | } else { | |
11247 | ret = -TARGET_EFAULT; | |
11248 | } | |
11249 | unlock_user(p, arg1, 0); | |
11250 | unlock_user(b, arg2, arg3); | |
11251 | break; | |
11252 | } | |
31e31b8a | 11253 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
11254 | { |
11255 | void *b = 0; | |
11256 | if (arg2) { | |
11257 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
11258 | if (!b) { | |
11259 | ret = -TARGET_EFAULT; | |
11260 | break; | |
11261 | } | |
11262 | } | |
11263 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
11264 | unlock_user(b, arg2, arg3); | |
6f932f91 | 11265 | break; |
fb5590f7 | 11266 | } |
a790ae38 | 11267 | case TARGET_NR_setxattr: |
30297b55 | 11268 | case TARGET_NR_lsetxattr: |
a790ae38 | 11269 | { |
e3c33ec6 PM |
11270 | void *p, *n, *v = 0; |
11271 | if (arg3) { | |
11272 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
11273 | if (!v) { | |
11274 | ret = -TARGET_EFAULT; | |
11275 | break; | |
11276 | } | |
11277 | } | |
a790ae38 ACH |
11278 | p = lock_user_string(arg1); |
11279 | n = lock_user_string(arg2); | |
e3c33ec6 | 11280 | if (p && n) { |
30297b55 PM |
11281 | if (num == TARGET_NR_setxattr) { |
11282 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
11283 | } else { | |
11284 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
11285 | } | |
a790ae38 ACH |
11286 | } else { |
11287 | ret = -TARGET_EFAULT; | |
11288 | } | |
11289 | unlock_user(p, arg1, 0); | |
11290 | unlock_user(n, arg2, 0); | |
11291 | unlock_user(v, arg3, 0); | |
11292 | } | |
11293 | break; | |
30297b55 PM |
11294 | case TARGET_NR_fsetxattr: |
11295 | { | |
11296 | void *n, *v = 0; | |
11297 | if (arg3) { | |
11298 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
11299 | if (!v) { | |
11300 | ret = -TARGET_EFAULT; | |
11301 | break; | |
11302 | } | |
11303 | } | |
11304 | n = lock_user_string(arg2); | |
11305 | if (n) { | |
11306 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
11307 | } else { | |
11308 | ret = -TARGET_EFAULT; | |
11309 | } | |
11310 | unlock_user(n, arg2, 0); | |
11311 | unlock_user(v, arg3, 0); | |
11312 | } | |
11313 | break; | |
a790ae38 | 11314 | case TARGET_NR_getxattr: |
30297b55 | 11315 | case TARGET_NR_lgetxattr: |
a790ae38 | 11316 | { |
e3c33ec6 PM |
11317 | void *p, *n, *v = 0; |
11318 | if (arg3) { | |
11319 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
11320 | if (!v) { | |
11321 | ret = -TARGET_EFAULT; | |
11322 | break; | |
11323 | } | |
11324 | } | |
a790ae38 ACH |
11325 | p = lock_user_string(arg1); |
11326 | n = lock_user_string(arg2); | |
e3c33ec6 | 11327 | if (p && n) { |
30297b55 PM |
11328 | if (num == TARGET_NR_getxattr) { |
11329 | ret = get_errno(getxattr(p, n, v, arg4)); | |
11330 | } else { | |
11331 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
11332 | } | |
a790ae38 ACH |
11333 | } else { |
11334 | ret = -TARGET_EFAULT; | |
11335 | } | |
11336 | unlock_user(p, arg1, 0); | |
11337 | unlock_user(n, arg2, 0); | |
11338 | unlock_user(v, arg3, arg4); | |
11339 | } | |
11340 | break; | |
30297b55 PM |
11341 | case TARGET_NR_fgetxattr: |
11342 | { | |
11343 | void *n, *v = 0; | |
11344 | if (arg3) { | |
11345 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
11346 | if (!v) { | |
11347 | ret = -TARGET_EFAULT; | |
11348 | break; | |
11349 | } | |
11350 | } | |
11351 | n = lock_user_string(arg2); | |
11352 | if (n) { | |
11353 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
11354 | } else { | |
11355 | ret = -TARGET_EFAULT; | |
11356 | } | |
11357 | unlock_user(n, arg2, 0); | |
11358 | unlock_user(v, arg3, arg4); | |
11359 | } | |
11360 | break; | |
a790ae38 | 11361 | case TARGET_NR_removexattr: |
30297b55 | 11362 | case TARGET_NR_lremovexattr: |
a790ae38 ACH |
11363 | { |
11364 | void *p, *n; | |
11365 | p = lock_user_string(arg1); | |
11366 | n = lock_user_string(arg2); | |
11367 | if (p && n) { | |
30297b55 PM |
11368 | if (num == TARGET_NR_removexattr) { |
11369 | ret = get_errno(removexattr(p, n)); | |
11370 | } else { | |
11371 | ret = get_errno(lremovexattr(p, n)); | |
11372 | } | |
a790ae38 ACH |
11373 | } else { |
11374 | ret = -TARGET_EFAULT; | |
11375 | } | |
11376 | unlock_user(p, arg1, 0); | |
11377 | unlock_user(n, arg2, 0); | |
11378 | } | |
11379 | break; | |
30297b55 PM |
11380 | case TARGET_NR_fremovexattr: |
11381 | { | |
11382 | void *n; | |
11383 | n = lock_user_string(arg2); | |
11384 | if (n) { | |
11385 | ret = get_errno(fremovexattr(arg1, n)); | |
11386 | } else { | |
11387 | ret = -TARGET_EFAULT; | |
11388 | } | |
11389 | unlock_user(n, arg2, 0); | |
11390 | } | |
11391 | break; | |
ebc05488 | 11392 | #endif |
a790ae38 | 11393 | #endif /* CONFIG_ATTR */ |
ebc05488 | 11394 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 11395 | case TARGET_NR_set_thread_area: |
8d18e893 | 11396 | #if defined(TARGET_MIPS) |
d279279e | 11397 | ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1; |
6f5b89a0 TS |
11398 | ret = 0; |
11399 | break; | |
ef96779b EI |
11400 | #elif defined(TARGET_CRIS) |
11401 | if (arg1 & 0xff) | |
11402 | ret = -TARGET_EINVAL; | |
11403 | else { | |
11404 | ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; | |
11405 | ret = 0; | |
11406 | } | |
11407 | break; | |
8d18e893 FB |
11408 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
11409 | ret = do_set_thread_area(cpu_env, arg1); | |
11410 | break; | |
1ccd9374 PM |
11411 | #elif defined(TARGET_M68K) |
11412 | { | |
0429a971 | 11413 | TaskState *ts = cpu->opaque; |
1ccd9374 | 11414 | ts->tp_value = arg1; |
95c1eb19 | 11415 | ret = 0; |
1ccd9374 PM |
11416 | break; |
11417 | } | |
6f5b89a0 TS |
11418 | #else |
11419 | goto unimplemented_nowarn; | |
11420 | #endif | |
11421 | #endif | |
11422 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 11423 | case TARGET_NR_get_thread_area: |
8d18e893 FB |
11424 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
11425 | ret = do_get_thread_area(cpu_env, arg1); | |
d312bbe1 | 11426 | break; |
1ccd9374 PM |
11427 | #elif defined(TARGET_M68K) |
11428 | { | |
0429a971 | 11429 | TaskState *ts = cpu->opaque; |
1ccd9374 PM |
11430 | ret = ts->tp_value; |
11431 | break; | |
11432 | } | |
8d18e893 | 11433 | #else |
5cd4393b | 11434 | goto unimplemented_nowarn; |
48dc41eb | 11435 | #endif |
8d18e893 | 11436 | #endif |
48dc41eb FB |
11437 | #ifdef TARGET_NR_getdomainname |
11438 | case TARGET_NR_getdomainname: | |
11439 | goto unimplemented_nowarn; | |
ebc05488 | 11440 | #endif |
6f5b89a0 | 11441 | |
b5906f95 TS |
11442 | #ifdef TARGET_NR_clock_gettime |
11443 | case TARGET_NR_clock_gettime: | |
11444 | { | |
11445 | struct timespec ts; | |
11446 | ret = get_errno(clock_gettime(arg1, &ts)); | |
11447 | if (!is_error(ret)) { | |
11448 | host_to_target_timespec(arg2, &ts); | |
11449 | } | |
11450 | break; | |
11451 | } | |
11452 | #endif | |
11453 | #ifdef TARGET_NR_clock_getres | |
11454 | case TARGET_NR_clock_getres: | |
11455 | { | |
11456 | struct timespec ts; | |
11457 | ret = get_errno(clock_getres(arg1, &ts)); | |
11458 | if (!is_error(ret)) { | |
11459 | host_to_target_timespec(arg2, &ts); | |
11460 | } | |
11461 | break; | |
11462 | } | |
11463 | #endif | |
63d7651b PB |
11464 | #ifdef TARGET_NR_clock_nanosleep |
11465 | case TARGET_NR_clock_nanosleep: | |
11466 | { | |
11467 | struct timespec ts; | |
11468 | target_to_host_timespec(&ts, arg3); | |
9e518226 PM |
11469 | ret = get_errno(safe_clock_nanosleep(arg1, arg2, |
11470 | &ts, arg4 ? &ts : NULL)); | |
63d7651b PB |
11471 | if (arg4) |
11472 | host_to_target_timespec(arg4, &ts); | |
8fbe8fdf TM |
11473 | |
11474 | #if defined(TARGET_PPC) | |
11475 | /* clock_nanosleep is odd in that it returns positive errno values. | |
11476 | * On PPC, CR0 bit 3 should be set in such a situation. */ | |
9e518226 | 11477 | if (ret && ret != -TARGET_ERESTARTSYS) { |
8fbe8fdf TM |
11478 | ((CPUPPCState *)cpu_env)->crf[0] |= 1; |
11479 | } | |
11480 | #endif | |
63d7651b PB |
11481 | break; |
11482 | } | |
11483 | #endif | |
b5906f95 | 11484 | |
6f5b89a0 TS |
11485 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
11486 | case TARGET_NR_set_tid_address: | |
579a97f7 FB |
11487 | ret = get_errno(set_tid_address((int *)g2h(arg1))); |
11488 | break; | |
6f5b89a0 TS |
11489 | #endif |
11490 | ||
4cae1d16 | 11491 | case TARGET_NR_tkill: |
bef653d9 | 11492 | ret = get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 | 11493 | break; |
4cae1d16 | 11494 | |
71455574 | 11495 | case TARGET_NR_tgkill: |
bef653d9 | 11496 | ret = get_errno(safe_tgkill((int)arg1, (int)arg2, |
4cb05961 | 11497 | target_to_host_signal(arg3))); |
bef653d9 | 11498 | break; |
71455574 | 11499 | |
4f2b1fe8 TS |
11500 | #ifdef TARGET_NR_set_robust_list |
11501 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
11502 | case TARGET_NR_get_robust_list: |
11503 | /* The ABI for supporting robust futexes has userspace pass | |
11504 | * the kernel a pointer to a linked list which is updated by | |
11505 | * userspace after the syscall; the list is walked by the kernel | |
11506 | * when the thread exits. Since the linked list in QEMU guest | |
11507 | * memory isn't a valid linked list for the host and we have | |
11508 | * no way to reliably intercept the thread-death event, we can't | |
11509 | * support these. Silently return ENOSYS so that guest userspace | |
11510 | * falls back to a non-robust futex implementation (which should | |
11511 | * be OK except in the corner case of the guest crashing while | |
11512 | * holding a mutex that is shared with another process via | |
11513 | * shared memory). | |
11514 | */ | |
11515 | goto unimplemented_nowarn; | |
4f2b1fe8 TS |
11516 | #endif |
11517 | ||
1acae9f2 | 11518 | #if defined(TARGET_NR_utimensat) |
9007f0ef TS |
11519 | case TARGET_NR_utimensat: |
11520 | { | |
ebc996f3 RV |
11521 | struct timespec *tsp, ts[2]; |
11522 | if (!arg3) { | |
11523 | tsp = NULL; | |
11524 | } else { | |
11525 | target_to_host_timespec(ts, arg3); | |
11526 | target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); | |
11527 | tsp = ts; | |
11528 | } | |
9007f0ef | 11529 | if (!arg2) |
ebc996f3 | 11530 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 11531 | else { |
579a97f7 | 11532 | if (!(p = lock_user_string(arg2))) { |
0da46a6e | 11533 | ret = -TARGET_EFAULT; |
579a97f7 FB |
11534 | goto fail; |
11535 | } | |
ebc996f3 | 11536 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 11537 | unlock_user(p, arg2, 0); |
9007f0ef TS |
11538 | } |
11539 | } | |
11540 | break; | |
11541 | #endif | |
bd0c5661 PB |
11542 | case TARGET_NR_futex: |
11543 | ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); | |
11544 | break; | |
dbfe4c36 | 11545 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
39b59763 AJ |
11546 | case TARGET_NR_inotify_init: |
11547 | ret = get_errno(sys_inotify_init()); | |
11548 | break; | |
11549 | #endif | |
a1606b0b | 11550 | #ifdef CONFIG_INOTIFY1 |
c05c7a73 RV |
11551 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) |
11552 | case TARGET_NR_inotify_init1: | |
11553 | ret = get_errno(sys_inotify_init1(arg1)); | |
11554 | break; | |
11555 | #endif | |
a1606b0b | 11556 | #endif |
dbfe4c36 | 11557 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) |
39b59763 AJ |
11558 | case TARGET_NR_inotify_add_watch: |
11559 | p = lock_user_string(arg2); | |
11560 | ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); | |
11561 | unlock_user(p, arg2, 0); | |
11562 | break; | |
11563 | #endif | |
dbfe4c36 | 11564 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) |
39b59763 AJ |
11565 | case TARGET_NR_inotify_rm_watch: |
11566 | ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); | |
11567 | break; | |
11568 | #endif | |
9007f0ef | 11569 | |
8ec9cf89 | 11570 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
11571 | case TARGET_NR_mq_open: |
11572 | { | |
c7536ab6 AM |
11573 | struct mq_attr posix_mq_attr; |
11574 | int host_flags; | |
24e1003a | 11575 | |
c7536ab6 AM |
11576 | host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl); |
11577 | if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) { | |
11578 | goto efault; | |
11579 | } | |
24e1003a | 11580 | p = lock_user_string(arg1 - 1); |
c7536ab6 AM |
11581 | if (!p) { |
11582 | goto efault; | |
b6ce1f6b | 11583 | } |
c7536ab6 | 11584 | ret = get_errno(mq_open(p, host_flags, arg3, &posix_mq_attr)); |
24e1003a AJ |
11585 | unlock_user (p, arg1, 0); |
11586 | } | |
11587 | break; | |
11588 | ||
11589 | case TARGET_NR_mq_unlink: | |
11590 | p = lock_user_string(arg1 - 1); | |
3211215e PM |
11591 | if (!p) { |
11592 | ret = -TARGET_EFAULT; | |
11593 | break; | |
11594 | } | |
24e1003a AJ |
11595 | ret = get_errno(mq_unlink(p)); |
11596 | unlock_user (p, arg1, 0); | |
11597 | break; | |
11598 | ||
11599 | case TARGET_NR_mq_timedsend: | |
11600 | { | |
11601 | struct timespec ts; | |
11602 | ||
11603 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
11604 | if (arg5 != 0) { | |
11605 | target_to_host_timespec(&ts, arg5); | |
d40ecd66 | 11606 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); |
24e1003a | 11607 | host_to_target_timespec(arg5, &ts); |
d40ecd66 PM |
11608 | } else { |
11609 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); | |
24e1003a | 11610 | } |
24e1003a AJ |
11611 | unlock_user (p, arg2, arg3); |
11612 | } | |
11613 | break; | |
11614 | ||
11615 | case TARGET_NR_mq_timedreceive: | |
11616 | { | |
11617 | struct timespec ts; | |
11618 | unsigned int prio; | |
11619 | ||
11620 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
11621 | if (arg5 != 0) { | |
11622 | target_to_host_timespec(&ts, arg5); | |
d40ecd66 PM |
11623 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, |
11624 | &prio, &ts)); | |
24e1003a | 11625 | host_to_target_timespec(arg5, &ts); |
d40ecd66 PM |
11626 | } else { |
11627 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
11628 | &prio, NULL)); | |
24e1003a | 11629 | } |
24e1003a AJ |
11630 | unlock_user (p, arg2, arg3); |
11631 | if (arg4 != 0) | |
11632 | put_user_u32(prio, arg4); | |
11633 | } | |
11634 | break; | |
11635 | ||
11636 | /* Not implemented for now... */ | |
11637 | /* case TARGET_NR_mq_notify: */ | |
11638 | /* break; */ | |
11639 | ||
11640 | case TARGET_NR_mq_getsetattr: | |
11641 | { | |
11642 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
11643 | ret = 0; | |
11644 | if (arg3 != 0) { | |
11645 | ret = mq_getattr(arg1, &posix_mq_attr_out); | |
11646 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
11647 | } | |
11648 | if (arg2 != 0) { | |
11649 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
11650 | ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out); | |
11651 | } | |
11652 | ||
11653 | } | |
11654 | break; | |
11655 | #endif | |
11656 | ||
3ce34dfb VS |
11657 | #ifdef CONFIG_SPLICE |
11658 | #ifdef TARGET_NR_tee | |
11659 | case TARGET_NR_tee: | |
11660 | { | |
11661 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
11662 | } | |
11663 | break; | |
11664 | #endif | |
11665 | #ifdef TARGET_NR_splice | |
11666 | case TARGET_NR_splice: | |
11667 | { | |
11668 | loff_t loff_in, loff_out; | |
11669 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
17644b36 AS |
11670 | if (arg2) { |
11671 | if (get_user_u64(loff_in, arg2)) { | |
11672 | goto efault; | |
11673 | } | |
3ce34dfb VS |
11674 | ploff_in = &loff_in; |
11675 | } | |
17644b36 AS |
11676 | if (arg4) { |
11677 | if (get_user_u64(loff_out, arg4)) { | |
11678 | goto efault; | |
11679 | } | |
3ce34dfb VS |
11680 | ploff_out = &loff_out; |
11681 | } | |
11682 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
17644b36 AS |
11683 | if (arg2) { |
11684 | if (put_user_u64(loff_in, arg2)) { | |
11685 | goto efault; | |
11686 | } | |
11687 | } | |
11688 | if (arg4) { | |
11689 | if (put_user_u64(loff_out, arg4)) { | |
11690 | goto efault; | |
11691 | } | |
11692 | } | |
3ce34dfb VS |
11693 | } |
11694 | break; | |
11695 | #endif | |
11696 | #ifdef TARGET_NR_vmsplice | |
11697 | case TARGET_NR_vmsplice: | |
11698 | { | |
f287b2c2 RH |
11699 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
11700 | if (vec != NULL) { | |
11701 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
11702 | unlock_iovec(vec, arg2, arg3, 0); | |
11703 | } else { | |
11704 | ret = -host_to_target_errno(errno); | |
11705 | } | |
3ce34dfb VS |
11706 | } |
11707 | break; | |
11708 | #endif | |
11709 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
11710 | #ifdef CONFIG_EVENTFD |
11711 | #if defined(TARGET_NR_eventfd) | |
11712 | case TARGET_NR_eventfd: | |
11713 | ret = get_errno(eventfd(arg1, 0)); | |
e36800c9 | 11714 | fd_trans_unregister(ret); |
c2882b96 RV |
11715 | break; |
11716 | #endif | |
11717 | #if defined(TARGET_NR_eventfd2) | |
11718 | case TARGET_NR_eventfd2: | |
5947c697 PJ |
11719 | { |
11720 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)); | |
11721 | if (arg2 & TARGET_O_NONBLOCK) { | |
11722 | host_flags |= O_NONBLOCK; | |
11723 | } | |
11724 | if (arg2 & TARGET_O_CLOEXEC) { | |
11725 | host_flags |= O_CLOEXEC; | |
11726 | } | |
11727 | ret = get_errno(eventfd(arg1, host_flags)); | |
e36800c9 | 11728 | fd_trans_unregister(ret); |
c2882b96 | 11729 | break; |
5947c697 | 11730 | } |
c2882b96 RV |
11731 | #endif |
11732 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
11733 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
11734 | case TARGET_NR_fallocate: | |
20249ae1 AG |
11735 | #if TARGET_ABI_BITS == 32 |
11736 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), | |
11737 | target_offset64(arg5, arg6))); | |
11738 | #else | |
d0927938 | 11739 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 11740 | #endif |
d0927938 | 11741 | break; |
c727f47d PM |
11742 | #endif |
11743 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
11744 | #if defined(TARGET_NR_sync_file_range) | |
11745 | case TARGET_NR_sync_file_range: | |
11746 | #if TARGET_ABI_BITS == 32 | |
bfcedc57 RV |
11747 | #if defined(TARGET_MIPS) |
11748 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
11749 | target_offset64(arg5, arg6), arg7)); | |
11750 | #else | |
c727f47d PM |
11751 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
11752 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 11753 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
11754 | #else |
11755 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
11756 | #endif | |
11757 | break; | |
11758 | #endif | |
11759 | #if defined(TARGET_NR_sync_file_range2) | |
11760 | case TARGET_NR_sync_file_range2: | |
11761 | /* This is like sync_file_range but the arguments are reordered */ | |
11762 | #if TARGET_ABI_BITS == 32 | |
11763 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
11764 | target_offset64(arg5, arg6), arg2)); | |
11765 | #else | |
11766 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
11767 | #endif | |
11768 | break; | |
11769 | #endif | |
3b6edd16 | 11770 | #endif |
e36800c9 LV |
11771 | #if defined(TARGET_NR_signalfd4) |
11772 | case TARGET_NR_signalfd4: | |
11773 | ret = do_signalfd4(arg1, arg2, arg4); | |
11774 | break; | |
11775 | #endif | |
11776 | #if defined(TARGET_NR_signalfd) | |
11777 | case TARGET_NR_signalfd: | |
11778 | ret = do_signalfd4(arg1, arg2, 0); | |
11779 | break; | |
11780 | #endif | |
3b6edd16 PM |
11781 | #if defined(CONFIG_EPOLL) |
11782 | #if defined(TARGET_NR_epoll_create) | |
11783 | case TARGET_NR_epoll_create: | |
11784 | ret = get_errno(epoll_create(arg1)); | |
11785 | break; | |
11786 | #endif | |
11787 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
11788 | case TARGET_NR_epoll_create1: | |
11789 | ret = get_errno(epoll_create1(arg1)); | |
11790 | break; | |
11791 | #endif | |
11792 | #if defined(TARGET_NR_epoll_ctl) | |
11793 | case TARGET_NR_epoll_ctl: | |
11794 | { | |
11795 | struct epoll_event ep; | |
11796 | struct epoll_event *epp = 0; | |
11797 | if (arg4) { | |
11798 | struct target_epoll_event *target_ep; | |
11799 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
11800 | goto efault; | |
11801 | } | |
11802 | ep.events = tswap32(target_ep->events); | |
11803 | /* The epoll_data_t union is just opaque data to the kernel, | |
11804 | * so we transfer all 64 bits across and need not worry what | |
11805 | * actual data type it is. | |
11806 | */ | |
11807 | ep.data.u64 = tswap64(target_ep->data.u64); | |
11808 | unlock_user_struct(target_ep, arg4, 0); | |
11809 | epp = &ep; | |
11810 | } | |
11811 | ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp)); | |
11812 | break; | |
11813 | } | |
11814 | #endif | |
11815 | ||
227f0214 | 11816 | #if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
11817 | #if defined(TARGET_NR_epoll_wait) |
11818 | case TARGET_NR_epoll_wait: | |
11819 | #endif | |
227f0214 | 11820 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
11821 | case TARGET_NR_epoll_pwait: |
11822 | #endif | |
11823 | { | |
11824 | struct target_epoll_event *target_ep; | |
11825 | struct epoll_event *ep; | |
11826 | int epfd = arg1; | |
11827 | int maxevents = arg3; | |
11828 | int timeout = arg4; | |
11829 | ||
2ba7fae3 PM |
11830 | if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) { |
11831 | ret = -TARGET_EINVAL; | |
11832 | break; | |
11833 | } | |
11834 | ||
3b6edd16 PM |
11835 | target_ep = lock_user(VERIFY_WRITE, arg2, |
11836 | maxevents * sizeof(struct target_epoll_event), 1); | |
11837 | if (!target_ep) { | |
11838 | goto efault; | |
11839 | } | |
11840 | ||
04c95f4d PM |
11841 | ep = g_try_new(struct epoll_event, maxevents); |
11842 | if (!ep) { | |
11843 | unlock_user(target_ep, arg2, 0); | |
11844 | ret = -TARGET_ENOMEM; | |
11845 | break; | |
11846 | } | |
3b6edd16 PM |
11847 | |
11848 | switch (num) { | |
227f0214 | 11849 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
11850 | case TARGET_NR_epoll_pwait: |
11851 | { | |
11852 | target_sigset_t *target_set; | |
11853 | sigset_t _set, *set = &_set; | |
11854 | ||
11855 | if (arg5) { | |
c815701e PM |
11856 | if (arg6 != sizeof(target_sigset_t)) { |
11857 | ret = -TARGET_EINVAL; | |
11858 | break; | |
11859 | } | |
11860 | ||
3b6edd16 PM |
11861 | target_set = lock_user(VERIFY_READ, arg5, |
11862 | sizeof(target_sigset_t), 1); | |
11863 | if (!target_set) { | |
04c95f4d PM |
11864 | ret = -TARGET_EFAULT; |
11865 | break; | |
3b6edd16 PM |
11866 | } |
11867 | target_to_host_sigset(set, target_set); | |
11868 | unlock_user(target_set, arg5, 0); | |
11869 | } else { | |
11870 | set = NULL; | |
11871 | } | |
11872 | ||
227f0214 PM |
11873 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
11874 | set, SIGSET_T_SIZE)); | |
3b6edd16 PM |
11875 | break; |
11876 | } | |
11877 | #endif | |
11878 | #if defined(TARGET_NR_epoll_wait) | |
11879 | case TARGET_NR_epoll_wait: | |
227f0214 PM |
11880 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
11881 | NULL, 0)); | |
3b6edd16 PM |
11882 | break; |
11883 | #endif | |
11884 | default: | |
11885 | ret = -TARGET_ENOSYS; | |
11886 | } | |
11887 | if (!is_error(ret)) { | |
11888 | int i; | |
11889 | for (i = 0; i < ret; i++) { | |
11890 | target_ep[i].events = tswap32(ep[i].events); | |
11891 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
11892 | } | |
04c95f4d PM |
11893 | unlock_user(target_ep, arg2, |
11894 | ret * sizeof(struct target_epoll_event)); | |
11895 | } else { | |
11896 | unlock_user(target_ep, arg2, 0); | |
3b6edd16 | 11897 | } |
04c95f4d | 11898 | g_free(ep); |
3b6edd16 PM |
11899 | break; |
11900 | } | |
11901 | #endif | |
163a05a8 PM |
11902 | #endif |
11903 | #ifdef TARGET_NR_prlimit64 | |
11904 | case TARGET_NR_prlimit64: | |
11905 | { | |
11906 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
11907 | struct target_rlimit64 *target_rnew, *target_rold; | |
11908 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
95018018 | 11909 | int resource = target_to_host_resource(arg2); |
163a05a8 PM |
11910 | if (arg3) { |
11911 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { | |
11912 | goto efault; | |
11913 | } | |
11914 | rnew.rlim_cur = tswap64(target_rnew->rlim_cur); | |
11915 | rnew.rlim_max = tswap64(target_rnew->rlim_max); | |
11916 | unlock_user_struct(target_rnew, arg3, 0); | |
11917 | rnewp = &rnew; | |
11918 | } | |
11919 | ||
95018018 | 11920 | ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0)); |
163a05a8 PM |
11921 | if (!is_error(ret) && arg4) { |
11922 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
11923 | goto efault; | |
11924 | } | |
11925 | target_rold->rlim_cur = tswap64(rold.rlim_cur); | |
11926 | target_rold->rlim_max = tswap64(rold.rlim_max); | |
11927 | unlock_user_struct(target_rold, arg4, 1); | |
11928 | } | |
11929 | break; | |
11930 | } | |
3d21d29c RH |
11931 | #endif |
11932 | #ifdef TARGET_NR_gethostname | |
11933 | case TARGET_NR_gethostname: | |
11934 | { | |
11935 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
11936 | if (name) { | |
11937 | ret = get_errno(gethostname(name, arg2)); | |
11938 | unlock_user(name, arg1, arg2); | |
11939 | } else { | |
11940 | ret = -TARGET_EFAULT; | |
11941 | } | |
11942 | break; | |
11943 | } | |
89aaf1a6 RV |
11944 | #endif |
11945 | #ifdef TARGET_NR_atomic_cmpxchg_32 | |
11946 | case TARGET_NR_atomic_cmpxchg_32: | |
11947 | { | |
11948 | /* should use start_exclusive from main.c */ | |
11949 | abi_ulong mem_value; | |
11950 | if (get_user_u32(mem_value, arg6)) { | |
11951 | target_siginfo_t info; | |
11952 | info.si_signo = SIGSEGV; | |
11953 | info.si_errno = 0; | |
11954 | info.si_code = TARGET_SEGV_MAPERR; | |
11955 | info._sifields._sigfault._addr = arg6; | |
9d2803f7 PM |
11956 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
11957 | QEMU_SI_FAULT, &info); | |
89aaf1a6 RV |
11958 | ret = 0xdeadbeef; |
11959 | ||
11960 | } | |
11961 | if (mem_value == arg2) | |
11962 | put_user_u32(arg1, arg6); | |
11963 | ret = mem_value; | |
11964 | break; | |
11965 | } | |
11966 | #endif | |
11967 | #ifdef TARGET_NR_atomic_barrier | |
11968 | case TARGET_NR_atomic_barrier: | |
11969 | { | |
11970 | /* Like the kernel implementation and the qemu arm barrier, no-op this? */ | |
3b899ea7 | 11971 | ret = 0; |
89aaf1a6 RV |
11972 | break; |
11973 | } | |
d0927938 | 11974 | #endif |
f4f1e10a ECL |
11975 | |
11976 | #ifdef TARGET_NR_timer_create | |
11977 | case TARGET_NR_timer_create: | |
11978 | { | |
11979 | /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */ | |
11980 | ||
11981 | struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL; | |
f4f1e10a ECL |
11982 | |
11983 | int clkid = arg1; | |
11984 | int timer_index = next_free_host_timer(); | |
11985 | ||
11986 | if (timer_index < 0) { | |
11987 | ret = -TARGET_EAGAIN; | |
11988 | } else { | |
11989 | timer_t *phtimer = g_posix_timers + timer_index; | |
11990 | ||
11991 | if (arg2) { | |
f4f1e10a | 11992 | phost_sevp = &host_sevp; |
c065976f PM |
11993 | ret = target_to_host_sigevent(phost_sevp, arg2); |
11994 | if (ret != 0) { | |
11995 | break; | |
11996 | } | |
f4f1e10a ECL |
11997 | } |
11998 | ||
11999 | ret = get_errno(timer_create(clkid, phost_sevp, phtimer)); | |
12000 | if (ret) { | |
12001 | phtimer = NULL; | |
12002 | } else { | |
aecc8861 | 12003 | if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { |
f4f1e10a ECL |
12004 | goto efault; |
12005 | } | |
f4f1e10a ECL |
12006 | } |
12007 | } | |
12008 | break; | |
12009 | } | |
12010 | #endif | |
12011 | ||
12012 | #ifdef TARGET_NR_timer_settime | |
12013 | case TARGET_NR_timer_settime: | |
12014 | { | |
12015 | /* args: timer_t timerid, int flags, const struct itimerspec *new_value, | |
12016 | * struct itimerspec * old_value */ | |
aecc8861 | 12017 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12018 | |
aecc8861 AG |
12019 | if (timerid < 0) { |
12020 | ret = timerid; | |
12021 | } else if (arg3 == 0) { | |
f4f1e10a ECL |
12022 | ret = -TARGET_EINVAL; |
12023 | } else { | |
e52a99f7 | 12024 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
12025 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; |
12026 | ||
12027 | target_to_host_itimerspec(&hspec_new, arg3); | |
12028 | ret = get_errno( | |
12029 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
12030 | host_to_target_itimerspec(arg2, &hspec_old); | |
12031 | } | |
12032 | break; | |
12033 | } | |
12034 | #endif | |
12035 | ||
12036 | #ifdef TARGET_NR_timer_gettime | |
12037 | case TARGET_NR_timer_gettime: | |
12038 | { | |
12039 | /* args: timer_t timerid, struct itimerspec *curr_value */ | |
aecc8861 | 12040 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12041 | |
aecc8861 AG |
12042 | if (timerid < 0) { |
12043 | ret = timerid; | |
12044 | } else if (!arg2) { | |
12045 | ret = -TARGET_EFAULT; | |
f4f1e10a | 12046 | } else { |
e52a99f7 | 12047 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
12048 | struct itimerspec hspec; |
12049 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
12050 | ||
12051 | if (host_to_target_itimerspec(arg2, &hspec)) { | |
12052 | ret = -TARGET_EFAULT; | |
12053 | } | |
12054 | } | |
12055 | break; | |
12056 | } | |
12057 | #endif | |
12058 | ||
12059 | #ifdef TARGET_NR_timer_getoverrun | |
12060 | case TARGET_NR_timer_getoverrun: | |
12061 | { | |
12062 | /* args: timer_t timerid */ | |
aecc8861 | 12063 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12064 | |
aecc8861 AG |
12065 | if (timerid < 0) { |
12066 | ret = timerid; | |
f4f1e10a | 12067 | } else { |
e52a99f7 | 12068 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
12069 | ret = get_errno(timer_getoverrun(htimer)); |
12070 | } | |
e36800c9 | 12071 | fd_trans_unregister(ret); |
f4f1e10a ECL |
12072 | break; |
12073 | } | |
12074 | #endif | |
12075 | ||
12076 | #ifdef TARGET_NR_timer_delete | |
12077 | case TARGET_NR_timer_delete: | |
12078 | { | |
12079 | /* args: timer_t timerid */ | |
aecc8861 | 12080 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12081 | |
aecc8861 AG |
12082 | if (timerid < 0) { |
12083 | ret = timerid; | |
f4f1e10a | 12084 | } else { |
e52a99f7 | 12085 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a | 12086 | ret = get_errno(timer_delete(htimer)); |
e52a99f7 | 12087 | g_posix_timers[timerid] = 0; |
f4f1e10a ECL |
12088 | } |
12089 | break; | |
12090 | } | |
12091 | #endif | |
12092 | ||
51834341 RV |
12093 | #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) |
12094 | case TARGET_NR_timerfd_create: | |
12095 | ret = get_errno(timerfd_create(arg1, | |
12096 | target_to_host_bitmask(arg2, fcntl_flags_tbl))); | |
12097 | break; | |
12098 | #endif | |
12099 | ||
12100 | #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) | |
12101 | case TARGET_NR_timerfd_gettime: | |
12102 | { | |
12103 | struct itimerspec its_curr; | |
12104 | ||
12105 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
12106 | ||
12107 | if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { | |
12108 | goto efault; | |
12109 | } | |
12110 | } | |
12111 | break; | |
12112 | #endif | |
12113 | ||
12114 | #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) | |
12115 | case TARGET_NR_timerfd_settime: | |
12116 | { | |
12117 | struct itimerspec its_new, its_old, *p_new; | |
12118 | ||
12119 | if (arg3) { | |
12120 | if (target_to_host_itimerspec(&its_new, arg3)) { | |
12121 | goto efault; | |
12122 | } | |
12123 | p_new = &its_new; | |
12124 | } else { | |
12125 | p_new = NULL; | |
12126 | } | |
12127 | ||
12128 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
12129 | ||
12130 | if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { | |
12131 | goto efault; | |
12132 | } | |
12133 | } | |
12134 | break; | |
12135 | #endif | |
12136 | ||
ab31cda3 PB |
12137 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
12138 | case TARGET_NR_ioprio_get: | |
12139 | ret = get_errno(ioprio_get(arg1, arg2)); | |
12140 | break; | |
12141 | #endif | |
12142 | ||
12143 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
12144 | case TARGET_NR_ioprio_set: | |
12145 | ret = get_errno(ioprio_set(arg1, arg2, arg3)); | |
12146 | break; | |
12147 | #endif | |
12148 | ||
9af5c906 RV |
12149 | #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) |
12150 | case TARGET_NR_setns: | |
12151 | ret = get_errno(setns(arg1, arg2)); | |
12152 | break; | |
12153 | #endif | |
12154 | #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) | |
12155 | case TARGET_NR_unshare: | |
12156 | ret = get_errno(unshare(arg1)); | |
12157 | break; | |
12158 | #endif | |
2f14788c LV |
12159 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
12160 | case TARGET_NR_kcmp: | |
12161 | ret = get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); | |
12162 | break; | |
12163 | #endif | |
9af5c906 | 12164 | |
31e31b8a FB |
12165 | default: |
12166 | unimplemented: | |
5cd4393b | 12167 | gemu_log("qemu: Unsupported syscall: %d\n", num); |
4f2b1fe8 | 12168 | #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) |
5cd4393b | 12169 | unimplemented_nowarn: |
80a9d035 | 12170 | #endif |
0da46a6e | 12171 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
12172 | break; |
12173 | } | |
579a97f7 | 12174 | fail: |
c573ff67 | 12175 | #ifdef DEBUG |
0bf9e31a | 12176 | gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); |
c573ff67 | 12177 | #endif |
b92c47c1 TS |
12178 | if(do_strace) |
12179 | print_syscall_ret(num, ret); | |
9c15e700 | 12180 | trace_guest_user_syscall_ret(cpu, num, ret); |
31e31b8a | 12181 | return ret; |
579a97f7 FB |
12182 | efault: |
12183 | ret = -TARGET_EFAULT; | |
12184 | goto fail; | |
31e31b8a | 12185 | } |