root / linux-user / syscall.c @ 465c9f06
History | View | Annotate | Download (202.2 kB)
1 |
/*
|
---|---|
2 |
* Linux syscalls
|
3 |
*
|
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
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*/
|
21 |
#include <stdlib.h> |
22 |
#include <stdio.h> |
23 |
#include <stdarg.h> |
24 |
#include <string.h> |
25 |
#include <elf.h> |
26 |
#include <endian.h> |
27 |
#include <errno.h> |
28 |
#include <unistd.h> |
29 |
#include <fcntl.h> |
30 |
#include <time.h> |
31 |
#include <limits.h> |
32 |
#include <mqueue.h> |
33 |
#include <sys/types.h> |
34 |
#include <sys/ipc.h> |
35 |
#include <sys/msg.h> |
36 |
#include <sys/wait.h> |
37 |
#include <sys/time.h> |
38 |
#include <sys/stat.h> |
39 |
#include <sys/mount.h> |
40 |
#include <sys/prctl.h> |
41 |
#include <sys/resource.h> |
42 |
#include <sys/mman.h> |
43 |
#include <sys/swap.h> |
44 |
#include <signal.h> |
45 |
#include <sched.h> |
46 |
#include <sys/socket.h> |
47 |
#include <sys/un.h> |
48 |
#include <sys/uio.h> |
49 |
#include <sys/poll.h> |
50 |
#include <sys/times.h> |
51 |
#include <sys/shm.h> |
52 |
#include <sys/sem.h> |
53 |
#include <sys/statfs.h> |
54 |
#include <utime.h> |
55 |
#include <sys/sysinfo.h> |
56 |
#include <sys/utsname.h> |
57 |
//#include <sys/user.h>
|
58 |
#include <netinet/ip.h> |
59 |
#include <netinet/tcp.h> |
60 |
#include <qemu-common.h> |
61 |
#ifdef HAVE_GPROF
|
62 |
#include <sys/gmon.h> |
63 |
#endif
|
64 |
|
65 |
#define termios host_termios
|
66 |
#define winsize host_winsize
|
67 |
#define termio host_termio
|
68 |
#define sgttyb host_sgttyb /* same as target */ |
69 |
#define tchars host_tchars /* same as target */ |
70 |
#define ltchars host_ltchars /* same as target */ |
71 |
|
72 |
#include <linux/termios.h> |
73 |
#include <linux/unistd.h> |
74 |
#include <linux/utsname.h> |
75 |
#include <linux/cdrom.h> |
76 |
#include <linux/hdreg.h> |
77 |
#include <linux/soundcard.h> |
78 |
#include <linux/kd.h> |
79 |
#include <linux/mtio.h> |
80 |
#include "linux_loop.h" |
81 |
|
82 |
#include "qemu.h" |
83 |
#include "qemu-common.h" |
84 |
|
85 |
#if defined(USE_NPTL)
|
86 |
#include <linux/futex.h> |
87 |
#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
|
88 |
CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID) |
89 |
#else
|
90 |
/* XXX: Hardcode the above values. */
|
91 |
#define CLONE_NPTL_FLAGS2 0 |
92 |
#endif
|
93 |
|
94 |
//#define DEBUG
|
95 |
|
96 |
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
|
97 |
|| defined(TARGET_M68K) || defined(TARGET_SH4) || defined(TARGET_CRIS) |
98 |
/* 16 bit uid wrappers emulation */
|
99 |
#define USE_UID16
|
100 |
#endif
|
101 |
|
102 |
//#include <linux/msdos_fs.h>
|
103 |
#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
104 |
#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) |
105 |
|
106 |
|
107 |
#undef _syscall0
|
108 |
#undef _syscall1
|
109 |
#undef _syscall2
|
110 |
#undef _syscall3
|
111 |
#undef _syscall4
|
112 |
#undef _syscall5
|
113 |
#undef _syscall6
|
114 |
|
115 |
#define _syscall0(type,name) \
|
116 |
static type name (void) \ |
117 |
{ \ |
118 |
return syscall(__NR_##name); \ |
119 |
} |
120 |
|
121 |
#define _syscall1(type,name,type1,arg1) \
|
122 |
static type name (type1 arg1) \
|
123 |
{ \ |
124 |
return syscall(__NR_##name, arg1); \ |
125 |
} |
126 |
|
127 |
#define _syscall2(type,name,type1,arg1,type2,arg2) \
|
128 |
static type name (type1 arg1,type2 arg2) \
|
129 |
{ \ |
130 |
return syscall(__NR_##name, arg1, arg2); \ |
131 |
} |
132 |
|
133 |
#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
|
134 |
static type name (type1 arg1,type2 arg2,type3 arg3) \
|
135 |
{ \ |
136 |
return syscall(__NR_##name, arg1, arg2, arg3); \ |
137 |
} |
138 |
|
139 |
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
|
140 |
static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
|
141 |
{ \ |
142 |
return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ |
143 |
} |
144 |
|
145 |
#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
|
146 |
type5,arg5) \ |
147 |
static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
|
148 |
{ \ |
149 |
return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ |
150 |
} |
151 |
|
152 |
|
153 |
#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
|
154 |
type5,arg5,type6,arg6) \ |
155 |
static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
|
156 |
type6 arg6) \ |
157 |
{ \ |
158 |
return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ |
159 |
} |
160 |
|
161 |
|
162 |
#define __NR_sys_uname __NR_uname
|
163 |
#define __NR_sys_faccessat __NR_faccessat
|
164 |
#define __NR_sys_fchmodat __NR_fchmodat
|
165 |
#define __NR_sys_fchownat __NR_fchownat
|
166 |
#define __NR_sys_fstatat64 __NR_fstatat64
|
167 |
#define __NR_sys_futimesat __NR_futimesat
|
168 |
#define __NR_sys_getcwd1 __NR_getcwd
|
169 |
#define __NR_sys_getdents __NR_getdents
|
170 |
#define __NR_sys_getdents64 __NR_getdents64
|
171 |
#define __NR_sys_getpriority __NR_getpriority
|
172 |
#define __NR_sys_linkat __NR_linkat
|
173 |
#define __NR_sys_mkdirat __NR_mkdirat
|
174 |
#define __NR_sys_mknodat __NR_mknodat
|
175 |
#define __NR_sys_newfstatat __NR_newfstatat
|
176 |
#define __NR_sys_openat __NR_openat
|
177 |
#define __NR_sys_readlinkat __NR_readlinkat
|
178 |
#define __NR_sys_renameat __NR_renameat
|
179 |
#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
|
180 |
#define __NR_sys_symlinkat __NR_symlinkat
|
181 |
#define __NR_sys_syslog __NR_syslog
|
182 |
#define __NR_sys_tgkill __NR_tgkill
|
183 |
#define __NR_sys_tkill __NR_tkill
|
184 |
#define __NR_sys_unlinkat __NR_unlinkat
|
185 |
#define __NR_sys_utimensat __NR_utimensat
|
186 |
#define __NR_sys_futex __NR_futex
|
187 |
#define __NR_sys_inotify_init __NR_inotify_init
|
188 |
#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
|
189 |
#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
|
190 |
|
191 |
#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
|
192 |
#define __NR__llseek __NR_lseek
|
193 |
#endif
|
194 |
|
195 |
#ifdef __NR_gettid
|
196 |
_syscall0(int, gettid)
|
197 |
#else
|
198 |
/* This is a replacement for the host gettid() and must return a host
|
199 |
errno. */
|
200 |
static int gettid(void) { |
201 |
return -ENOSYS;
|
202 |
} |
203 |
#endif
|
204 |
#if TARGET_ABI_BITS == 32 |
205 |
_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
206 |
#endif
|
207 |
#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
|
208 |
_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
209 |
#endif
|
210 |
_syscall2(int, sys_getpriority, int, which, int, who); |
211 |
#if !defined (__x86_64__)
|
212 |
_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
|
213 |
loff_t *, res, uint, wh); |
214 |
#endif
|
215 |
_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) |
216 |
_syscall3(int,sys_syslog,int,type,char*,bufp,int,len) |
217 |
#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
|
218 |
_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) |
219 |
#endif
|
220 |
#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
|
221 |
_syscall2(int,sys_tkill,int,tid,int,sig) |
222 |
#endif
|
223 |
#ifdef __NR_exit_group
|
224 |
_syscall1(int,exit_group,int,error_code) |
225 |
#endif
|
226 |
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
|
227 |
_syscall1(int,set_tid_address,int *,tidptr) |
228 |
#endif
|
229 |
#if defined(USE_NPTL)
|
230 |
#if defined(TARGET_NR_futex) && defined(__NR_futex)
|
231 |
_syscall6(int,sys_futex,int *,uaddr,int,op,int,val, |
232 |
const struct timespec *,timeout,int *,uaddr2,int,val3) |
233 |
#endif
|
234 |
#endif
|
235 |
|
236 |
static bitmask_transtbl fcntl_flags_tbl[] = {
|
237 |
{ TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, |
238 |
{ TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, |
239 |
{ TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, |
240 |
{ TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, |
241 |
{ TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, |
242 |
{ TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, |
243 |
{ TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, |
244 |
{ TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, |
245 |
{ TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
246 |
{ TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, |
247 |
{ TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, |
248 |
{ TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, |
249 |
{ TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, |
250 |
#if defined(O_DIRECT)
|
251 |
{ TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, |
252 |
#endif
|
253 |
{ 0, 0, 0, 0 } |
254 |
}; |
255 |
|
256 |
#define COPY_UTSNAME_FIELD(dest, src) \
|
257 |
do { \
|
258 |
/* __NEW_UTS_LEN doesn't include terminating null */ \
|
259 |
(void) strncpy((dest), (src), __NEW_UTS_LEN); \
|
260 |
(dest)[__NEW_UTS_LEN] = '\0'; \
|
261 |
} while (0) |
262 |
|
263 |
static int sys_uname(struct new_utsname *buf) |
264 |
{ |
265 |
struct utsname uts_buf;
|
266 |
|
267 |
if (uname(&uts_buf) < 0) |
268 |
return (-1); |
269 |
|
270 |
/*
|
271 |
* Just in case these have some differences, we
|
272 |
* translate utsname to new_utsname (which is the
|
273 |
* struct linux kernel uses).
|
274 |
*/
|
275 |
|
276 |
bzero(buf, sizeof (*buf));
|
277 |
COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname); |
278 |
COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename); |
279 |
COPY_UTSNAME_FIELD(buf->release, uts_buf.release); |
280 |
COPY_UTSNAME_FIELD(buf->version, uts_buf.version); |
281 |
COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine); |
282 |
#ifdef _GNU_SOURCE
|
283 |
COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname); |
284 |
#endif
|
285 |
return (0); |
286 |
|
287 |
#undef COPY_UTSNAME_FIELD
|
288 |
} |
289 |
|
290 |
static int sys_getcwd1(char *buf, size_t size) |
291 |
{ |
292 |
if (getcwd(buf, size) == NULL) { |
293 |
/* getcwd() sets errno */
|
294 |
return (-1); |
295 |
} |
296 |
return strlen(buf)+1; |
297 |
} |
298 |
|
299 |
#ifdef CONFIG_ATFILE
|
300 |
/*
|
301 |
* Host system seems to have atfile syscall stubs available. We
|
302 |
* now enable them one by one as specified by target syscall_nr.h.
|
303 |
*/
|
304 |
|
305 |
#ifdef TARGET_NR_faccessat
|
306 |
static int sys_faccessat(int dirfd, const char *pathname, int mode) |
307 |
{ |
308 |
return (faccessat(dirfd, pathname, mode, 0)); |
309 |
} |
310 |
#endif
|
311 |
#ifdef TARGET_NR_fchmodat
|
312 |
static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode) |
313 |
{ |
314 |
return (fchmodat(dirfd, pathname, mode, 0)); |
315 |
} |
316 |
#endif
|
317 |
#if defined(TARGET_NR_fchownat) && defined(USE_UID16)
|
318 |
static int sys_fchownat(int dirfd, const char *pathname, uid_t owner, |
319 |
gid_t group, int flags)
|
320 |
{ |
321 |
return (fchownat(dirfd, pathname, owner, group, flags));
|
322 |
} |
323 |
#endif
|
324 |
#ifdef __NR_fstatat64
|
325 |
static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf, |
326 |
int flags)
|
327 |
{ |
328 |
return (fstatat(dirfd, pathname, buf, flags));
|
329 |
} |
330 |
#endif
|
331 |
#ifdef __NR_newfstatat
|
332 |
static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf, |
333 |
int flags)
|
334 |
{ |
335 |
return (fstatat(dirfd, pathname, buf, flags));
|
336 |
} |
337 |
#endif
|
338 |
#ifdef TARGET_NR_futimesat
|
339 |
static int sys_futimesat(int dirfd, const char *pathname, |
340 |
const struct timeval times[2]) |
341 |
{ |
342 |
return (futimesat(dirfd, pathname, times));
|
343 |
} |
344 |
#endif
|
345 |
#ifdef TARGET_NR_linkat
|
346 |
static int sys_linkat(int olddirfd, const char *oldpath, |
347 |
int newdirfd, const char *newpath, int flags) |
348 |
{ |
349 |
return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
|
350 |
} |
351 |
#endif
|
352 |
#ifdef TARGET_NR_mkdirat
|
353 |
static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode) |
354 |
{ |
355 |
return (mkdirat(dirfd, pathname, mode));
|
356 |
} |
357 |
#endif
|
358 |
#ifdef TARGET_NR_mknodat
|
359 |
static int sys_mknodat(int dirfd, const char *pathname, mode_t mode, |
360 |
dev_t dev) |
361 |
{ |
362 |
return (mknodat(dirfd, pathname, mode, dev));
|
363 |
} |
364 |
#endif
|
365 |
#ifdef TARGET_NR_openat
|
366 |
static int sys_openat(int dirfd, const char *pathname, int flags, ...) |
367 |
{ |
368 |
/*
|
369 |
* open(2) has extra parameter 'mode' when called with
|
370 |
* flag O_CREAT.
|
371 |
*/
|
372 |
if ((flags & O_CREAT) != 0) { |
373 |
va_list ap; |
374 |
mode_t mode; |
375 |
|
376 |
/*
|
377 |
* Get the 'mode' parameter and translate it to
|
378 |
* host bits.
|
379 |
*/
|
380 |
va_start(ap, flags); |
381 |
mode = va_arg(ap, mode_t); |
382 |
mode = target_to_host_bitmask(mode, fcntl_flags_tbl); |
383 |
va_end(ap); |
384 |
|
385 |
return (openat(dirfd, pathname, flags, mode));
|
386 |
} |
387 |
return (openat(dirfd, pathname, flags));
|
388 |
} |
389 |
#endif
|
390 |
#ifdef TARGET_NR_readlinkat
|
391 |
static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz) |
392 |
{ |
393 |
return (readlinkat(dirfd, pathname, buf, bufsiz));
|
394 |
} |
395 |
#endif
|
396 |
#ifdef TARGET_NR_renameat
|
397 |
static int sys_renameat(int olddirfd, const char *oldpath, |
398 |
int newdirfd, const char *newpath) |
399 |
{ |
400 |
return (renameat(olddirfd, oldpath, newdirfd, newpath));
|
401 |
} |
402 |
#endif
|
403 |
#ifdef TARGET_NR_symlinkat
|
404 |
static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath) |
405 |
{ |
406 |
return (symlinkat(oldpath, newdirfd, newpath));
|
407 |
} |
408 |
#endif
|
409 |
#ifdef TARGET_NR_unlinkat
|
410 |
static int sys_unlinkat(int dirfd, const char *pathname, int flags) |
411 |
{ |
412 |
return (unlinkat(dirfd, pathname, flags));
|
413 |
} |
414 |
#endif
|
415 |
#ifdef TARGET_NR_utimensat
|
416 |
static int sys_utimensat(int dirfd, const char *pathname, |
417 |
const struct timespec times[2], int flags) |
418 |
{ |
419 |
return (utimensat(dirfd, pathname, times, flags));
|
420 |
} |
421 |
#endif
|
422 |
#else /* !CONFIG_ATFILE */ |
423 |
|
424 |
/*
|
425 |
* Try direct syscalls instead
|
426 |
*/
|
427 |
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
|
428 |
_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode) |
429 |
#endif
|
430 |
#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
|
431 |
_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode) |
432 |
#endif
|
433 |
#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
|
434 |
_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, |
435 |
uid_t,owner,gid_t,group,int,flags)
|
436 |
#endif
|
437 |
#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
|
438 |
defined(__NR_fstatat64) |
439 |
_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname, |
440 |
struct stat *,buf,int,flags) |
441 |
#endif
|
442 |
#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
|
443 |
_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname, |
444 |
const struct timeval *,times) |
445 |
#endif
|
446 |
#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
|
447 |
defined(__NR_newfstatat) |
448 |
_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname, |
449 |
struct stat *,buf,int,flags) |
450 |
#endif
|
451 |
#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
|
452 |
_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath, |
453 |
int,newdirfd,const char *,newpath,int,flags) |
454 |
#endif
|
455 |
#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
|
456 |
_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode) |
457 |
#endif
|
458 |
#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
|
459 |
_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, |
460 |
mode_t,mode,dev_t,dev) |
461 |
#endif
|
462 |
#if defined(TARGET_NR_openat) && defined(__NR_openat)
|
463 |
_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) |
464 |
#endif
|
465 |
#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
|
466 |
_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname, |
467 |
char *,buf,size_t,bufsize)
|
468 |
#endif
|
469 |
#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
|
470 |
_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, |
471 |
int,newdirfd,const char *,newpath) |
472 |
#endif
|
473 |
#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
|
474 |
_syscall3(int,sys_symlinkat,const char *,oldpath, |
475 |
int,newdirfd,const char *,newpath) |
476 |
#endif
|
477 |
#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
|
478 |
_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags) |
479 |
#endif
|
480 |
#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
|
481 |
_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
482 |
const struct timespec *,tsp,int,flags) |
483 |
#endif
|
484 |
|
485 |
#endif /* CONFIG_ATFILE */ |
486 |
|
487 |
#ifdef CONFIG_INOTIFY
|
488 |
#include <sys/inotify.h> |
489 |
|
490 |
#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
|
491 |
static int sys_inotify_init(void) |
492 |
{ |
493 |
return (inotify_init());
|
494 |
} |
495 |
#endif
|
496 |
#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
|
497 |
static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
498 |
{ |
499 |
return (inotify_add_watch(fd, pathname, mask));
|
500 |
} |
501 |
#endif
|
502 |
#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
|
503 |
static int sys_inotify_rm_watch(int fd, int32_t wd) |
504 |
{ |
505 |
return (inotify_rm_watch(fd, wd));
|
506 |
} |
507 |
#endif
|
508 |
#else
|
509 |
/* Userspace can usually survive runtime without inotify */
|
510 |
#undef TARGET_NR_inotify_init
|
511 |
#undef TARGET_NR_inotify_add_watch
|
512 |
#undef TARGET_NR_inotify_rm_watch
|
513 |
#endif /* CONFIG_INOTIFY */ |
514 |
|
515 |
|
516 |
extern int personality(int); |
517 |
extern int flock(int, int); |
518 |
extern int setfsuid(int); |
519 |
extern int setfsgid(int); |
520 |
extern int setgroups(int, gid_t *); |
521 |
|
522 |
#define ERRNO_TABLE_SIZE 1200 |
523 |
|
524 |
/* target_to_host_errno_table[] is initialized from
|
525 |
* host_to_target_errno_table[] in syscall_init(). */
|
526 |
static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
|
527 |
}; |
528 |
|
529 |
/*
|
530 |
* This list is the union of errno values overridden in asm-<arch>/errno.h
|
531 |
* minus the errnos that are not actually generic to all archs.
|
532 |
*/
|
533 |
static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
|
534 |
[EIDRM] = TARGET_EIDRM, |
535 |
[ECHRNG] = TARGET_ECHRNG, |
536 |
[EL2NSYNC] = TARGET_EL2NSYNC, |
537 |
[EL3HLT] = TARGET_EL3HLT, |
538 |
[EL3RST] = TARGET_EL3RST, |
539 |
[ELNRNG] = TARGET_ELNRNG, |
540 |
[EUNATCH] = TARGET_EUNATCH, |
541 |
[ENOCSI] = TARGET_ENOCSI, |
542 |
[EL2HLT] = TARGET_EL2HLT, |
543 |
[EDEADLK] = TARGET_EDEADLK, |
544 |
[ENOLCK] = TARGET_ENOLCK, |
545 |
[EBADE] = TARGET_EBADE, |
546 |
[EBADR] = TARGET_EBADR, |
547 |
[EXFULL] = TARGET_EXFULL, |
548 |
[ENOANO] = TARGET_ENOANO, |
549 |
[EBADRQC] = TARGET_EBADRQC, |
550 |
[EBADSLT] = TARGET_EBADSLT, |
551 |
[EBFONT] = TARGET_EBFONT, |
552 |
[ENOSTR] = TARGET_ENOSTR, |
553 |
[ENODATA] = TARGET_ENODATA, |
554 |
[ETIME] = TARGET_ETIME, |
555 |
[ENOSR] = TARGET_ENOSR, |
556 |
[ENONET] = TARGET_ENONET, |
557 |
[ENOPKG] = TARGET_ENOPKG, |
558 |
[EREMOTE] = TARGET_EREMOTE, |
559 |
[ENOLINK] = TARGET_ENOLINK, |
560 |
[EADV] = TARGET_EADV, |
561 |
[ESRMNT] = TARGET_ESRMNT, |
562 |
[ECOMM] = TARGET_ECOMM, |
563 |
[EPROTO] = TARGET_EPROTO, |
564 |
[EDOTDOT] = TARGET_EDOTDOT, |
565 |
[EMULTIHOP] = TARGET_EMULTIHOP, |
566 |
[EBADMSG] = TARGET_EBADMSG, |
567 |
[ENAMETOOLONG] = TARGET_ENAMETOOLONG, |
568 |
[EOVERFLOW] = TARGET_EOVERFLOW, |
569 |
[ENOTUNIQ] = TARGET_ENOTUNIQ, |
570 |
[EBADFD] = TARGET_EBADFD, |
571 |
[EREMCHG] = TARGET_EREMCHG, |
572 |
[ELIBACC] = TARGET_ELIBACC, |
573 |
[ELIBBAD] = TARGET_ELIBBAD, |
574 |
[ELIBSCN] = TARGET_ELIBSCN, |
575 |
[ELIBMAX] = TARGET_ELIBMAX, |
576 |
[ELIBEXEC] = TARGET_ELIBEXEC, |
577 |
[EILSEQ] = TARGET_EILSEQ, |
578 |
[ENOSYS] = TARGET_ENOSYS, |
579 |
[ELOOP] = TARGET_ELOOP, |
580 |
[ERESTART] = TARGET_ERESTART, |
581 |
[ESTRPIPE] = TARGET_ESTRPIPE, |
582 |
[ENOTEMPTY] = TARGET_ENOTEMPTY, |
583 |
[EUSERS] = TARGET_EUSERS, |
584 |
[ENOTSOCK] = TARGET_ENOTSOCK, |
585 |
[EDESTADDRREQ] = TARGET_EDESTADDRREQ, |
586 |
[EMSGSIZE] = TARGET_EMSGSIZE, |
587 |
[EPROTOTYPE] = TARGET_EPROTOTYPE, |
588 |
[ENOPROTOOPT] = TARGET_ENOPROTOOPT, |
589 |
[EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, |
590 |
[ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, |
591 |
[EOPNOTSUPP] = TARGET_EOPNOTSUPP, |
592 |
[EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, |
593 |
[EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, |
594 |
[EADDRINUSE] = TARGET_EADDRINUSE, |
595 |
[EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, |
596 |
[ENETDOWN] = TARGET_ENETDOWN, |
597 |
[ENETUNREACH] = TARGET_ENETUNREACH, |
598 |
[ENETRESET] = TARGET_ENETRESET, |
599 |
[ECONNABORTED] = TARGET_ECONNABORTED, |
600 |
[ECONNRESET] = TARGET_ECONNRESET, |
601 |
[ENOBUFS] = TARGET_ENOBUFS, |
602 |
[EISCONN] = TARGET_EISCONN, |
603 |
[ENOTCONN] = TARGET_ENOTCONN, |
604 |
[EUCLEAN] = TARGET_EUCLEAN, |
605 |
[ENOTNAM] = TARGET_ENOTNAM, |
606 |
[ENAVAIL] = TARGET_ENAVAIL, |
607 |
[EISNAM] = TARGET_EISNAM, |
608 |
[EREMOTEIO] = TARGET_EREMOTEIO, |
609 |
[ESHUTDOWN] = TARGET_ESHUTDOWN, |
610 |
[ETOOMANYREFS] = TARGET_ETOOMANYREFS, |
611 |
[ETIMEDOUT] = TARGET_ETIMEDOUT, |
612 |
[ECONNREFUSED] = TARGET_ECONNREFUSED, |
613 |
[EHOSTDOWN] = TARGET_EHOSTDOWN, |
614 |
[EHOSTUNREACH] = TARGET_EHOSTUNREACH, |
615 |
[EALREADY] = TARGET_EALREADY, |
616 |
[EINPROGRESS] = TARGET_EINPROGRESS, |
617 |
[ESTALE] = TARGET_ESTALE, |
618 |
[ECANCELED] = TARGET_ECANCELED, |
619 |
[ENOMEDIUM] = TARGET_ENOMEDIUM, |
620 |
[EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, |
621 |
#ifdef ENOKEY
|
622 |
[ENOKEY] = TARGET_ENOKEY, |
623 |
#endif
|
624 |
#ifdef EKEYEXPIRED
|
625 |
[EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
626 |
#endif
|
627 |
#ifdef EKEYREVOKED
|
628 |
[EKEYREVOKED] = TARGET_EKEYREVOKED, |
629 |
#endif
|
630 |
#ifdef EKEYREJECTED
|
631 |
[EKEYREJECTED] = TARGET_EKEYREJECTED, |
632 |
#endif
|
633 |
#ifdef EOWNERDEAD
|
634 |
[EOWNERDEAD] = TARGET_EOWNERDEAD, |
635 |
#endif
|
636 |
#ifdef ENOTRECOVERABLE
|
637 |
[ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
638 |
#endif
|
639 |
}; |
640 |
|
641 |
static inline int host_to_target_errno(int err) |
642 |
{ |
643 |
if(host_to_target_errno_table[err])
|
644 |
return host_to_target_errno_table[err];
|
645 |
return err;
|
646 |
} |
647 |
|
648 |
static inline int target_to_host_errno(int err) |
649 |
{ |
650 |
if (target_to_host_errno_table[err])
|
651 |
return target_to_host_errno_table[err];
|
652 |
return err;
|
653 |
} |
654 |
|
655 |
static inline abi_long get_errno(abi_long ret) |
656 |
{ |
657 |
if (ret == -1) |
658 |
return -host_to_target_errno(errno);
|
659 |
else
|
660 |
return ret;
|
661 |
} |
662 |
|
663 |
static inline int is_error(abi_long ret) |
664 |
{ |
665 |
return (abi_ulong)ret >= (abi_ulong)(-4096); |
666 |
} |
667 |
|
668 |
char *target_strerror(int err) |
669 |
{ |
670 |
return strerror(target_to_host_errno(err));
|
671 |
} |
672 |
|
673 |
static abi_ulong target_brk;
|
674 |
static abi_ulong target_original_brk;
|
675 |
|
676 |
void target_set_brk(abi_ulong new_brk)
|
677 |
{ |
678 |
target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
679 |
} |
680 |
|
681 |
/* do_brk() must return target values and target errnos. */
|
682 |
abi_long do_brk(abi_ulong new_brk) |
683 |
{ |
684 |
abi_ulong brk_page; |
685 |
abi_long mapped_addr; |
686 |
int new_alloc_size;
|
687 |
|
688 |
if (!new_brk)
|
689 |
return target_brk;
|
690 |
if (new_brk < target_original_brk)
|
691 |
return target_brk;
|
692 |
|
693 |
brk_page = HOST_PAGE_ALIGN(target_brk); |
694 |
|
695 |
/* If the new brk is less than this, set it and we're done... */
|
696 |
if (new_brk < brk_page) {
|
697 |
target_brk = new_brk; |
698 |
return target_brk;
|
699 |
} |
700 |
|
701 |
/* We need to allocate more memory after the brk... */
|
702 |
new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
|
703 |
mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
704 |
PROT_READ|PROT_WRITE, |
705 |
MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); |
706 |
|
707 |
if (!is_error(mapped_addr))
|
708 |
target_brk = new_brk; |
709 |
|
710 |
return target_brk;
|
711 |
} |
712 |
|
713 |
static inline abi_long copy_from_user_fdset(fd_set *fds, |
714 |
abi_ulong target_fds_addr, |
715 |
int n)
|
716 |
{ |
717 |
int i, nw, j, k;
|
718 |
abi_ulong b, *target_fds; |
719 |
|
720 |
nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
|
721 |
if (!(target_fds = lock_user(VERIFY_READ,
|
722 |
target_fds_addr, |
723 |
sizeof(abi_ulong) * nw,
|
724 |
1)))
|
725 |
return -TARGET_EFAULT;
|
726 |
|
727 |
FD_ZERO(fds); |
728 |
k = 0;
|
729 |
for (i = 0; i < nw; i++) { |
730 |
/* grab the abi_ulong */
|
731 |
__get_user(b, &target_fds[i]); |
732 |
for (j = 0; j < TARGET_ABI_BITS; j++) { |
733 |
/* check the bit inside the abi_ulong */
|
734 |
if ((b >> j) & 1) |
735 |
FD_SET(k, fds); |
736 |
k++; |
737 |
} |
738 |
} |
739 |
|
740 |
unlock_user(target_fds, target_fds_addr, 0);
|
741 |
|
742 |
return 0; |
743 |
} |
744 |
|
745 |
static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
746 |
const fd_set *fds,
|
747 |
int n)
|
748 |
{ |
749 |
int i, nw, j, k;
|
750 |
abi_long v; |
751 |
abi_ulong *target_fds; |
752 |
|
753 |
nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
|
754 |
if (!(target_fds = lock_user(VERIFY_WRITE,
|
755 |
target_fds_addr, |
756 |
sizeof(abi_ulong) * nw,
|
757 |
0)))
|
758 |
return -TARGET_EFAULT;
|
759 |
|
760 |
k = 0;
|
761 |
for (i = 0; i < nw; i++) { |
762 |
v = 0;
|
763 |
for (j = 0; j < TARGET_ABI_BITS; j++) { |
764 |
v |= ((FD_ISSET(k, fds) != 0) << j);
|
765 |
k++; |
766 |
} |
767 |
__put_user(v, &target_fds[i]); |
768 |
} |
769 |
|
770 |
unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
|
771 |
|
772 |
return 0; |
773 |
} |
774 |
|
775 |
#if defined(__alpha__)
|
776 |
#define HOST_HZ 1024 |
777 |
#else
|
778 |
#define HOST_HZ 100 |
779 |
#endif
|
780 |
|
781 |
static inline abi_long host_to_target_clock_t(long ticks) |
782 |
{ |
783 |
#if HOST_HZ == TARGET_HZ
|
784 |
return ticks;
|
785 |
#else
|
786 |
return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
|
787 |
#endif
|
788 |
} |
789 |
|
790 |
static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
791 |
const struct rusage *rusage) |
792 |
{ |
793 |
struct target_rusage *target_rusage;
|
794 |
|
795 |
if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
796 |
return -TARGET_EFAULT;
|
797 |
target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); |
798 |
target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); |
799 |
target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); |
800 |
target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); |
801 |
target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); |
802 |
target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); |
803 |
target_rusage->ru_idrss = tswapl(rusage->ru_idrss); |
804 |
target_rusage->ru_isrss = tswapl(rusage->ru_isrss); |
805 |
target_rusage->ru_minflt = tswapl(rusage->ru_minflt); |
806 |
target_rusage->ru_majflt = tswapl(rusage->ru_majflt); |
807 |
target_rusage->ru_nswap = tswapl(rusage->ru_nswap); |
808 |
target_rusage->ru_inblock = tswapl(rusage->ru_inblock); |
809 |
target_rusage->ru_oublock = tswapl(rusage->ru_oublock); |
810 |
target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); |
811 |
target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); |
812 |
target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); |
813 |
target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); |
814 |
target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); |
815 |
unlock_user_struct(target_rusage, target_addr, 1);
|
816 |
|
817 |
return 0; |
818 |
} |
819 |
|
820 |
static inline abi_long copy_from_user_timeval(struct timeval *tv, |
821 |
abi_ulong target_tv_addr) |
822 |
{ |
823 |
struct target_timeval *target_tv;
|
824 |
|
825 |
if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
826 |
return -TARGET_EFAULT;
|
827 |
|
828 |
__get_user(tv->tv_sec, &target_tv->tv_sec); |
829 |
__get_user(tv->tv_usec, &target_tv->tv_usec); |
830 |
|
831 |
unlock_user_struct(target_tv, target_tv_addr, 0);
|
832 |
|
833 |
return 0; |
834 |
} |
835 |
|
836 |
static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
837 |
const struct timeval *tv) |
838 |
{ |
839 |
struct target_timeval *target_tv;
|
840 |
|
841 |
if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
842 |
return -TARGET_EFAULT;
|
843 |
|
844 |
__put_user(tv->tv_sec, &target_tv->tv_sec); |
845 |
__put_user(tv->tv_usec, &target_tv->tv_usec); |
846 |
|
847 |
unlock_user_struct(target_tv, target_tv_addr, 1);
|
848 |
|
849 |
return 0; |
850 |
} |
851 |
|
852 |
static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
853 |
abi_ulong target_mq_attr_addr) |
854 |
{ |
855 |
struct target_mq_attr *target_mq_attr;
|
856 |
|
857 |
if (!lock_user_struct(VERIFY_READ, target_mq_attr,
|
858 |
target_mq_attr_addr, 1))
|
859 |
return -TARGET_EFAULT;
|
860 |
|
861 |
__get_user(attr->mq_flags, &target_mq_attr->mq_flags); |
862 |
__get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); |
863 |
__get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); |
864 |
__get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); |
865 |
|
866 |
unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
|
867 |
|
868 |
return 0; |
869 |
} |
870 |
|
871 |
static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, |
872 |
const struct mq_attr *attr) |
873 |
{ |
874 |
struct target_mq_attr *target_mq_attr;
|
875 |
|
876 |
if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
|
877 |
target_mq_attr_addr, 0))
|
878 |
return -TARGET_EFAULT;
|
879 |
|
880 |
__put_user(attr->mq_flags, &target_mq_attr->mq_flags); |
881 |
__put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); |
882 |
__put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); |
883 |
__put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); |
884 |
|
885 |
unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
|
886 |
|
887 |
return 0; |
888 |
} |
889 |
|
890 |
/* do_select() must return target values and target errnos. */
|
891 |
static abi_long do_select(int n, |
892 |
abi_ulong rfd_addr, abi_ulong wfd_addr, |
893 |
abi_ulong efd_addr, abi_ulong target_tv_addr) |
894 |
{ |
895 |
fd_set rfds, wfds, efds; |
896 |
fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; |
897 |
struct timeval tv, *tv_ptr;
|
898 |
abi_long ret; |
899 |
|
900 |
if (rfd_addr) {
|
901 |
if (copy_from_user_fdset(&rfds, rfd_addr, n))
|
902 |
return -TARGET_EFAULT;
|
903 |
rfds_ptr = &rfds; |
904 |
} else {
|
905 |
rfds_ptr = NULL;
|
906 |
} |
907 |
if (wfd_addr) {
|
908 |
if (copy_from_user_fdset(&wfds, wfd_addr, n))
|
909 |
return -TARGET_EFAULT;
|
910 |
wfds_ptr = &wfds; |
911 |
} else {
|
912 |
wfds_ptr = NULL;
|
913 |
} |
914 |
if (efd_addr) {
|
915 |
if (copy_from_user_fdset(&efds, efd_addr, n))
|
916 |
return -TARGET_EFAULT;
|
917 |
efds_ptr = &efds; |
918 |
} else {
|
919 |
efds_ptr = NULL;
|
920 |
} |
921 |
|
922 |
if (target_tv_addr) {
|
923 |
if (copy_from_user_timeval(&tv, target_tv_addr))
|
924 |
return -TARGET_EFAULT;
|
925 |
tv_ptr = &tv; |
926 |
} else {
|
927 |
tv_ptr = NULL;
|
928 |
} |
929 |
|
930 |
ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
931 |
|
932 |
if (!is_error(ret)) {
|
933 |
if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
|
934 |
return -TARGET_EFAULT;
|
935 |
if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
|
936 |
return -TARGET_EFAULT;
|
937 |
if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
|
938 |
return -TARGET_EFAULT;
|
939 |
|
940 |
if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
|
941 |
return -TARGET_EFAULT;
|
942 |
} |
943 |
|
944 |
return ret;
|
945 |
} |
946 |
|
947 |
static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, |
948 |
abi_ulong target_addr, |
949 |
socklen_t len) |
950 |
{ |
951 |
const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
952 |
sa_family_t sa_family; |
953 |
struct target_sockaddr *target_saddr;
|
954 |
|
955 |
target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
|
956 |
if (!target_saddr)
|
957 |
return -TARGET_EFAULT;
|
958 |
|
959 |
sa_family = tswap16(target_saddr->sa_family); |
960 |
|
961 |
/* Oops. The caller might send a incomplete sun_path; sun_path
|
962 |
* must be terminated by \0 (see the manual page), but
|
963 |
* unfortunately it is quite common to specify sockaddr_un
|
964 |
* length as "strlen(x->sun_path)" while it should be
|
965 |
* "strlen(...) + 1". We'll fix that here if needed.
|
966 |
* Linux kernel has a similar feature.
|
967 |
*/
|
968 |
|
969 |
if (sa_family == AF_UNIX) {
|
970 |
if (len < unix_maxlen && len > 0) { |
971 |
char *cp = (char*)target_saddr; |
972 |
|
973 |
if ( cp[len-1] && !cp[len] ) |
974 |
len++; |
975 |
} |
976 |
if (len > unix_maxlen)
|
977 |
len = unix_maxlen; |
978 |
} |
979 |
|
980 |
memcpy(addr, target_saddr, len); |
981 |
addr->sa_family = sa_family; |
982 |
unlock_user(target_saddr, target_addr, 0);
|
983 |
|
984 |
return 0; |
985 |
} |
986 |
|
987 |
static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
988 |
struct sockaddr *addr,
|
989 |
socklen_t len) |
990 |
{ |
991 |
struct target_sockaddr *target_saddr;
|
992 |
|
993 |
target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
|
994 |
if (!target_saddr)
|
995 |
return -TARGET_EFAULT;
|
996 |
memcpy(target_saddr, addr, len); |
997 |
target_saddr->sa_family = tswap16(addr->sa_family); |
998 |
unlock_user(target_saddr, target_addr, len); |
999 |
|
1000 |
return 0; |
1001 |
} |
1002 |
|
1003 |
/* ??? Should this also swap msgh->name? */
|
1004 |
static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1005 |
struct target_msghdr *target_msgh)
|
1006 |
{ |
1007 |
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
1008 |
abi_long msg_controllen; |
1009 |
abi_ulong target_cmsg_addr; |
1010 |
struct target_cmsghdr *target_cmsg;
|
1011 |
socklen_t space = 0;
|
1012 |
|
1013 |
msg_controllen = tswapl(target_msgh->msg_controllen); |
1014 |
if (msg_controllen < sizeof (struct target_cmsghdr)) |
1015 |
goto the_end;
|
1016 |
target_cmsg_addr = tswapl(target_msgh->msg_control); |
1017 |
target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
|
1018 |
if (!target_cmsg)
|
1019 |
return -TARGET_EFAULT;
|
1020 |
|
1021 |
while (cmsg && target_cmsg) {
|
1022 |
void *data = CMSG_DATA(cmsg);
|
1023 |
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
1024 |
|
1025 |
int len = tswapl(target_cmsg->cmsg_len)
|
1026 |
- TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); |
1027 |
|
1028 |
space += CMSG_SPACE(len); |
1029 |
if (space > msgh->msg_controllen) {
|
1030 |
space -= CMSG_SPACE(len); |
1031 |
gemu_log("Host cmsg overflow\n");
|
1032 |
break;
|
1033 |
} |
1034 |
|
1035 |
cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); |
1036 |
cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1037 |
cmsg->cmsg_len = CMSG_LEN(len); |
1038 |
|
1039 |
if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
|
1040 |
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
|
1041 |
memcpy(data, target_data, len); |
1042 |
} else {
|
1043 |
int *fd = (int *)data; |
1044 |
int *target_fd = (int *)target_data; |
1045 |
int i, numfds = len / sizeof(int); |
1046 |
|
1047 |
for (i = 0; i < numfds; i++) |
1048 |
fd[i] = tswap32(target_fd[i]); |
1049 |
} |
1050 |
|
1051 |
cmsg = CMSG_NXTHDR(msgh, cmsg); |
1052 |
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
1053 |
} |
1054 |
unlock_user(target_cmsg, target_cmsg_addr, 0);
|
1055 |
the_end:
|
1056 |
msgh->msg_controllen = space; |
1057 |
return 0; |
1058 |
} |
1059 |
|
1060 |
/* ??? Should this also swap msgh->name? */
|
1061 |
static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1062 |
struct msghdr *msgh)
|
1063 |
{ |
1064 |
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
1065 |
abi_long msg_controllen; |
1066 |
abi_ulong target_cmsg_addr; |
1067 |
struct target_cmsghdr *target_cmsg;
|
1068 |
socklen_t space = 0;
|
1069 |
|
1070 |
msg_controllen = tswapl(target_msgh->msg_controllen); |
1071 |
if (msg_controllen < sizeof (struct target_cmsghdr)) |
1072 |
goto the_end;
|
1073 |
target_cmsg_addr = tswapl(target_msgh->msg_control); |
1074 |
target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
|
1075 |
if (!target_cmsg)
|
1076 |
return -TARGET_EFAULT;
|
1077 |
|
1078 |
while (cmsg && target_cmsg) {
|
1079 |
void *data = CMSG_DATA(cmsg);
|
1080 |
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
1081 |
|
1082 |
int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); |
1083 |
|
1084 |
space += TARGET_CMSG_SPACE(len); |
1085 |
if (space > msg_controllen) {
|
1086 |
space -= TARGET_CMSG_SPACE(len); |
1087 |
gemu_log("Target cmsg overflow\n");
|
1088 |
break;
|
1089 |
} |
1090 |
|
1091 |
target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); |
1092 |
target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
1093 |
target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); |
1094 |
|
1095 |
if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
|
1096 |
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
|
1097 |
memcpy(target_data, data, len); |
1098 |
} else {
|
1099 |
int *fd = (int *)data; |
1100 |
int *target_fd = (int *)target_data; |
1101 |
int i, numfds = len / sizeof(int); |
1102 |
|
1103 |
for (i = 0; i < numfds; i++) |
1104 |
target_fd[i] = tswap32(fd[i]); |
1105 |
} |
1106 |
|
1107 |
cmsg = CMSG_NXTHDR(msgh, cmsg); |
1108 |
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
1109 |
} |
1110 |
unlock_user(target_cmsg, target_cmsg_addr, space); |
1111 |
the_end:
|
1112 |
target_msgh->msg_controllen = tswapl(space); |
1113 |
return 0; |
1114 |
} |
1115 |
|
1116 |
/* do_setsockopt() Must return target values and target errnos. */
|
1117 |
static abi_long do_setsockopt(int sockfd, int level, int optname, |
1118 |
abi_ulong optval_addr, socklen_t optlen) |
1119 |
{ |
1120 |
abi_long ret; |
1121 |
int val;
|
1122 |
|
1123 |
switch(level) {
|
1124 |
case SOL_TCP:
|
1125 |
/* TCP options all take an 'int' value. */
|
1126 |
if (optlen < sizeof(uint32_t)) |
1127 |
return -TARGET_EINVAL;
|
1128 |
|
1129 |
if (get_user_u32(val, optval_addr))
|
1130 |
return -TARGET_EFAULT;
|
1131 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
1132 |
break;
|
1133 |
case SOL_IP:
|
1134 |
switch(optname) {
|
1135 |
case IP_TOS:
|
1136 |
case IP_TTL:
|
1137 |
case IP_HDRINCL:
|
1138 |
case IP_ROUTER_ALERT:
|
1139 |
case IP_RECVOPTS:
|
1140 |
case IP_RETOPTS:
|
1141 |
case IP_PKTINFO:
|
1142 |
case IP_MTU_DISCOVER:
|
1143 |
case IP_RECVERR:
|
1144 |
case IP_RECVTOS:
|
1145 |
#ifdef IP_FREEBIND
|
1146 |
case IP_FREEBIND:
|
1147 |
#endif
|
1148 |
case IP_MULTICAST_TTL:
|
1149 |
case IP_MULTICAST_LOOP:
|
1150 |
val = 0;
|
1151 |
if (optlen >= sizeof(uint32_t)) { |
1152 |
if (get_user_u32(val, optval_addr))
|
1153 |
return -TARGET_EFAULT;
|
1154 |
} else if (optlen >= 1) { |
1155 |
if (get_user_u8(val, optval_addr))
|
1156 |
return -TARGET_EFAULT;
|
1157 |
} |
1158 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
1159 |
break;
|
1160 |
default:
|
1161 |
goto unimplemented;
|
1162 |
} |
1163 |
break;
|
1164 |
case TARGET_SOL_SOCKET:
|
1165 |
switch (optname) {
|
1166 |
/* Options with 'int' argument. */
|
1167 |
case TARGET_SO_DEBUG:
|
1168 |
optname = SO_DEBUG; |
1169 |
break;
|
1170 |
case TARGET_SO_REUSEADDR:
|
1171 |
optname = SO_REUSEADDR; |
1172 |
break;
|
1173 |
case TARGET_SO_TYPE:
|
1174 |
optname = SO_TYPE; |
1175 |
break;
|
1176 |
case TARGET_SO_ERROR:
|
1177 |
optname = SO_ERROR; |
1178 |
break;
|
1179 |
case TARGET_SO_DONTROUTE:
|
1180 |
optname = SO_DONTROUTE; |
1181 |
break;
|
1182 |
case TARGET_SO_BROADCAST:
|
1183 |
optname = SO_BROADCAST; |
1184 |
break;
|
1185 |
case TARGET_SO_SNDBUF:
|
1186 |
optname = SO_SNDBUF; |
1187 |
break;
|
1188 |
case TARGET_SO_RCVBUF:
|
1189 |
optname = SO_RCVBUF; |
1190 |
break;
|
1191 |
case TARGET_SO_KEEPALIVE:
|
1192 |
optname = SO_KEEPALIVE; |
1193 |
break;
|
1194 |
case TARGET_SO_OOBINLINE:
|
1195 |
optname = SO_OOBINLINE; |
1196 |
break;
|
1197 |
case TARGET_SO_NO_CHECK:
|
1198 |
optname = SO_NO_CHECK; |
1199 |
break;
|
1200 |
case TARGET_SO_PRIORITY:
|
1201 |
optname = SO_PRIORITY; |
1202 |
break;
|
1203 |
#ifdef SO_BSDCOMPAT
|
1204 |
case TARGET_SO_BSDCOMPAT:
|
1205 |
optname = SO_BSDCOMPAT; |
1206 |
break;
|
1207 |
#endif
|
1208 |
case TARGET_SO_PASSCRED:
|
1209 |
optname = SO_PASSCRED; |
1210 |
break;
|
1211 |
case TARGET_SO_TIMESTAMP:
|
1212 |
optname = SO_TIMESTAMP; |
1213 |
break;
|
1214 |
case TARGET_SO_RCVLOWAT:
|
1215 |
optname = SO_RCVLOWAT; |
1216 |
break;
|
1217 |
case TARGET_SO_RCVTIMEO:
|
1218 |
optname = SO_RCVTIMEO; |
1219 |
break;
|
1220 |
case TARGET_SO_SNDTIMEO:
|
1221 |
optname = SO_SNDTIMEO; |
1222 |
break;
|
1223 |
break;
|
1224 |
default:
|
1225 |
goto unimplemented;
|
1226 |
} |
1227 |
if (optlen < sizeof(uint32_t)) |
1228 |
return -TARGET_EINVAL;
|
1229 |
|
1230 |
if (get_user_u32(val, optval_addr))
|
1231 |
return -TARGET_EFAULT;
|
1232 |
ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
|
1233 |
break;
|
1234 |
default:
|
1235 |
unimplemented:
|
1236 |
gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
|
1237 |
ret = -TARGET_ENOPROTOOPT; |
1238 |
} |
1239 |
return ret;
|
1240 |
} |
1241 |
|
1242 |
/* do_getsockopt() Must return target values and target errnos. */
|
1243 |
static abi_long do_getsockopt(int sockfd, int level, int optname, |
1244 |
abi_ulong optval_addr, abi_ulong optlen) |
1245 |
{ |
1246 |
abi_long ret; |
1247 |
int len, val;
|
1248 |
socklen_t lv; |
1249 |
|
1250 |
switch(level) {
|
1251 |
case TARGET_SOL_SOCKET:
|
1252 |
level = SOL_SOCKET; |
1253 |
switch (optname) {
|
1254 |
case TARGET_SO_LINGER:
|
1255 |
case TARGET_SO_RCVTIMEO:
|
1256 |
case TARGET_SO_SNDTIMEO:
|
1257 |
case TARGET_SO_PEERCRED:
|
1258 |
case TARGET_SO_PEERNAME:
|
1259 |
/* These don't just return a single integer */
|
1260 |
goto unimplemented;
|
1261 |
default:
|
1262 |
goto int_case;
|
1263 |
} |
1264 |
break;
|
1265 |
case SOL_TCP:
|
1266 |
/* TCP options all take an 'int' value. */
|
1267 |
int_case:
|
1268 |
if (get_user_u32(len, optlen))
|
1269 |
return -TARGET_EFAULT;
|
1270 |
if (len < 0) |
1271 |
return -TARGET_EINVAL;
|
1272 |
lv = sizeof(int); |
1273 |
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1274 |
if (ret < 0) |
1275 |
return ret;
|
1276 |
val = tswap32(val); |
1277 |
if (len > lv)
|
1278 |
len = lv; |
1279 |
if (len == 4) { |
1280 |
if (put_user_u32(val, optval_addr))
|
1281 |
return -TARGET_EFAULT;
|
1282 |
} else {
|
1283 |
if (put_user_u8(val, optval_addr))
|
1284 |
return -TARGET_EFAULT;
|
1285 |
} |
1286 |
if (put_user_u32(len, optlen))
|
1287 |
return -TARGET_EFAULT;
|
1288 |
break;
|
1289 |
case SOL_IP:
|
1290 |
switch(optname) {
|
1291 |
case IP_TOS:
|
1292 |
case IP_TTL:
|
1293 |
case IP_HDRINCL:
|
1294 |
case IP_ROUTER_ALERT:
|
1295 |
case IP_RECVOPTS:
|
1296 |
case IP_RETOPTS:
|
1297 |
case IP_PKTINFO:
|
1298 |
case IP_MTU_DISCOVER:
|
1299 |
case IP_RECVERR:
|
1300 |
case IP_RECVTOS:
|
1301 |
#ifdef IP_FREEBIND
|
1302 |
case IP_FREEBIND:
|
1303 |
#endif
|
1304 |
case IP_MULTICAST_TTL:
|
1305 |
case IP_MULTICAST_LOOP:
|
1306 |
if (get_user_u32(len, optlen))
|
1307 |
return -TARGET_EFAULT;
|
1308 |
if (len < 0) |
1309 |
return -TARGET_EINVAL;
|
1310 |
lv = sizeof(int); |
1311 |
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1312 |
if (ret < 0) |
1313 |
return ret;
|
1314 |
if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
1315 |
len = 1;
|
1316 |
if (put_user_u32(len, optlen)
|
1317 |
|| put_user_u8(val, optval_addr)) |
1318 |
return -TARGET_EFAULT;
|
1319 |
} else {
|
1320 |
if (len > sizeof(int)) |
1321 |
len = sizeof(int); |
1322 |
if (put_user_u32(len, optlen)
|
1323 |
|| put_user_u32(val, optval_addr)) |
1324 |
return -TARGET_EFAULT;
|
1325 |
} |
1326 |
break;
|
1327 |
default:
|
1328 |
ret = -TARGET_ENOPROTOOPT; |
1329 |
break;
|
1330 |
} |
1331 |
break;
|
1332 |
default:
|
1333 |
unimplemented:
|
1334 |
gemu_log("getsockopt level=%d optname=%d not yet supported\n",
|
1335 |
level, optname); |
1336 |
ret = -TARGET_EOPNOTSUPP; |
1337 |
break;
|
1338 |
} |
1339 |
return ret;
|
1340 |
} |
1341 |
|
1342 |
/* FIXME
|
1343 |
* lock_iovec()/unlock_iovec() have a return code of 0 for success where
|
1344 |
* other lock functions have a return code of 0 for failure.
|
1345 |
*/
|
1346 |
static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr, |
1347 |
int count, int copy) |
1348 |
{ |
1349 |
struct target_iovec *target_vec;
|
1350 |
abi_ulong base; |
1351 |
int i;
|
1352 |
|
1353 |
target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); |
1354 |
if (!target_vec)
|
1355 |
return -TARGET_EFAULT;
|
1356 |
for(i = 0;i < count; i++) { |
1357 |
base = tswapl(target_vec[i].iov_base); |
1358 |
vec[i].iov_len = tswapl(target_vec[i].iov_len); |
1359 |
if (vec[i].iov_len != 0) { |
1360 |
vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy); |
1361 |
/* Don't check lock_user return value. We must call writev even
|
1362 |
if a element has invalid base address. */
|
1363 |
} else {
|
1364 |
/* zero length pointer is ignored */
|
1365 |
vec[i].iov_base = NULL;
|
1366 |
} |
1367 |
} |
1368 |
unlock_user (target_vec, target_addr, 0);
|
1369 |
return 0; |
1370 |
} |
1371 |
|
1372 |
static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
1373 |
int count, int copy) |
1374 |
{ |
1375 |
struct target_iovec *target_vec;
|
1376 |
abi_ulong base; |
1377 |
int i;
|
1378 |
|
1379 |
target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); |
1380 |
if (!target_vec)
|
1381 |
return -TARGET_EFAULT;
|
1382 |
for(i = 0;i < count; i++) { |
1383 |
if (target_vec[i].iov_base) {
|
1384 |
base = tswapl(target_vec[i].iov_base); |
1385 |
unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
|
1386 |
} |
1387 |
} |
1388 |
unlock_user (target_vec, target_addr, 0);
|
1389 |
|
1390 |
return 0; |
1391 |
} |
1392 |
|
1393 |
/* do_socket() Must return target values and target errnos. */
|
1394 |
static abi_long do_socket(int domain, int type, int protocol) |
1395 |
{ |
1396 |
#if defined(TARGET_MIPS)
|
1397 |
switch(type) {
|
1398 |
case TARGET_SOCK_DGRAM:
|
1399 |
type = SOCK_DGRAM; |
1400 |
break;
|
1401 |
case TARGET_SOCK_STREAM:
|
1402 |
type = SOCK_STREAM; |
1403 |
break;
|
1404 |
case TARGET_SOCK_RAW:
|
1405 |
type = SOCK_RAW; |
1406 |
break;
|
1407 |
case TARGET_SOCK_RDM:
|
1408 |
type = SOCK_RDM; |
1409 |
break;
|
1410 |
case TARGET_SOCK_SEQPACKET:
|
1411 |
type = SOCK_SEQPACKET; |
1412 |
break;
|
1413 |
case TARGET_SOCK_PACKET:
|
1414 |
type = SOCK_PACKET; |
1415 |
break;
|
1416 |
} |
1417 |
#endif
|
1418 |
if (domain == PF_NETLINK)
|
1419 |
return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */ |
1420 |
return get_errno(socket(domain, type, protocol));
|
1421 |
} |
1422 |
|
1423 |
/* do_bind() Must return target values and target errnos. */
|
1424 |
static abi_long do_bind(int sockfd, abi_ulong target_addr, |
1425 |
socklen_t addrlen) |
1426 |
{ |
1427 |
void *addr;
|
1428 |
|
1429 |
if (addrlen < 0) |
1430 |
return -TARGET_EINVAL;
|
1431 |
|
1432 |
addr = alloca(addrlen+1);
|
1433 |
|
1434 |
target_to_host_sockaddr(addr, target_addr, addrlen); |
1435 |
return get_errno(bind(sockfd, addr, addrlen));
|
1436 |
} |
1437 |
|
1438 |
/* do_connect() Must return target values and target errnos. */
|
1439 |
static abi_long do_connect(int sockfd, abi_ulong target_addr, |
1440 |
socklen_t addrlen) |
1441 |
{ |
1442 |
void *addr;
|
1443 |
|
1444 |
if (addrlen < 0) |
1445 |
return -TARGET_EINVAL;
|
1446 |
|
1447 |
addr = alloca(addrlen); |
1448 |
|
1449 |
target_to_host_sockaddr(addr, target_addr, addrlen); |
1450 |
return get_errno(connect(sockfd, addr, addrlen));
|
1451 |
} |
1452 |
|
1453 |
/* do_sendrecvmsg() Must return target values and target errnos. */
|
1454 |
static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, |
1455 |
int flags, int send) |
1456 |
{ |
1457 |
abi_long ret, len; |
1458 |
struct target_msghdr *msgp;
|
1459 |
struct msghdr msg;
|
1460 |
int count;
|
1461 |
struct iovec *vec;
|
1462 |
abi_ulong target_vec; |
1463 |
|
1464 |
/* FIXME */
|
1465 |
if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
|
1466 |
msgp, |
1467 |
target_msg, |
1468 |
send ? 1 : 0)) |
1469 |
return -TARGET_EFAULT;
|
1470 |
if (msgp->msg_name) {
|
1471 |
msg.msg_namelen = tswap32(msgp->msg_namelen); |
1472 |
msg.msg_name = alloca(msg.msg_namelen); |
1473 |
target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name), |
1474 |
msg.msg_namelen); |
1475 |
} else {
|
1476 |
msg.msg_name = NULL;
|
1477 |
msg.msg_namelen = 0;
|
1478 |
} |
1479 |
msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
|
1480 |
msg.msg_control = alloca(msg.msg_controllen); |
1481 |
msg.msg_flags = tswap32(msgp->msg_flags); |
1482 |
|
1483 |
count = tswapl(msgp->msg_iovlen); |
1484 |
vec = alloca(count * sizeof(struct iovec)); |
1485 |
target_vec = tswapl(msgp->msg_iov); |
1486 |
lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send); |
1487 |
msg.msg_iovlen = count; |
1488 |
msg.msg_iov = vec; |
1489 |
|
1490 |
if (send) {
|
1491 |
ret = target_to_host_cmsg(&msg, msgp); |
1492 |
if (ret == 0) |
1493 |
ret = get_errno(sendmsg(fd, &msg, flags)); |
1494 |
} else {
|
1495 |
ret = get_errno(recvmsg(fd, &msg, flags)); |
1496 |
if (!is_error(ret)) {
|
1497 |
len = ret; |
1498 |
ret = host_to_target_cmsg(msgp, &msg); |
1499 |
if (!is_error(ret))
|
1500 |
ret = len; |
1501 |
} |
1502 |
} |
1503 |
unlock_iovec(vec, target_vec, count, !send); |
1504 |
unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
1505 |
return ret;
|
1506 |
} |
1507 |
|
1508 |
/* do_accept() Must return target values and target errnos. */
|
1509 |
static abi_long do_accept(int fd, abi_ulong target_addr, |
1510 |
abi_ulong target_addrlen_addr) |
1511 |
{ |
1512 |
socklen_t addrlen; |
1513 |
void *addr;
|
1514 |
abi_long ret; |
1515 |
|
1516 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
1517 |
return -TARGET_EFAULT;
|
1518 |
|
1519 |
if (addrlen < 0) |
1520 |
return -TARGET_EINVAL;
|
1521 |
|
1522 |
addr = alloca(addrlen); |
1523 |
|
1524 |
ret = get_errno(accept(fd, addr, &addrlen)); |
1525 |
if (!is_error(ret)) {
|
1526 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
1527 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
1528 |
ret = -TARGET_EFAULT; |
1529 |
} |
1530 |
return ret;
|
1531 |
} |
1532 |
|
1533 |
/* do_getpeername() Must return target values and target errnos. */
|
1534 |
static abi_long do_getpeername(int fd, abi_ulong target_addr, |
1535 |
abi_ulong target_addrlen_addr) |
1536 |
{ |
1537 |
socklen_t addrlen; |
1538 |
void *addr;
|
1539 |
abi_long ret; |
1540 |
|
1541 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
1542 |
return -TARGET_EFAULT;
|
1543 |
|
1544 |
if (addrlen < 0) |
1545 |
return -TARGET_EINVAL;
|
1546 |
|
1547 |
addr = alloca(addrlen); |
1548 |
|
1549 |
ret = get_errno(getpeername(fd, addr, &addrlen)); |
1550 |
if (!is_error(ret)) {
|
1551 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
1552 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
1553 |
ret = -TARGET_EFAULT; |
1554 |
} |
1555 |
return ret;
|
1556 |
} |
1557 |
|
1558 |
/* do_getsockname() Must return target values and target errnos. */
|
1559 |
static abi_long do_getsockname(int fd, abi_ulong target_addr, |
1560 |
abi_ulong target_addrlen_addr) |
1561 |
{ |
1562 |
socklen_t addrlen; |
1563 |
void *addr;
|
1564 |
abi_long ret; |
1565 |
|
1566 |
if (target_addr == 0) |
1567 |
return get_errno(accept(fd, NULL, NULL)); |
1568 |
|
1569 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
1570 |
return -TARGET_EFAULT;
|
1571 |
|
1572 |
if (addrlen < 0) |
1573 |
return -TARGET_EINVAL;
|
1574 |
|
1575 |
addr = alloca(addrlen); |
1576 |
|
1577 |
ret = get_errno(getsockname(fd, addr, &addrlen)); |
1578 |
if (!is_error(ret)) {
|
1579 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
1580 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
1581 |
ret = -TARGET_EFAULT; |
1582 |
} |
1583 |
return ret;
|
1584 |
} |
1585 |
|
1586 |
/* do_socketpair() Must return target values and target errnos. */
|
1587 |
static abi_long do_socketpair(int domain, int type, int protocol, |
1588 |
abi_ulong target_tab_addr) |
1589 |
{ |
1590 |
int tab[2]; |
1591 |
abi_long ret; |
1592 |
|
1593 |
ret = get_errno(socketpair(domain, type, protocol, tab)); |
1594 |
if (!is_error(ret)) {
|
1595 |
if (put_user_s32(tab[0], target_tab_addr) |
1596 |
|| put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) |
1597 |
ret = -TARGET_EFAULT; |
1598 |
} |
1599 |
return ret;
|
1600 |
} |
1601 |
|
1602 |
/* do_sendto() Must return target values and target errnos. */
|
1603 |
static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
1604 |
abi_ulong target_addr, socklen_t addrlen) |
1605 |
{ |
1606 |
void *addr;
|
1607 |
void *host_msg;
|
1608 |
abi_long ret; |
1609 |
|
1610 |
if (addrlen < 0) |
1611 |
return -TARGET_EINVAL;
|
1612 |
|
1613 |
host_msg = lock_user(VERIFY_READ, msg, len, 1);
|
1614 |
if (!host_msg)
|
1615 |
return -TARGET_EFAULT;
|
1616 |
if (target_addr) {
|
1617 |
addr = alloca(addrlen); |
1618 |
target_to_host_sockaddr(addr, target_addr, addrlen); |
1619 |
ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); |
1620 |
} else {
|
1621 |
ret = get_errno(send(fd, host_msg, len, flags)); |
1622 |
} |
1623 |
unlock_user(host_msg, msg, 0);
|
1624 |
return ret;
|
1625 |
} |
1626 |
|
1627 |
/* do_recvfrom() Must return target values and target errnos. */
|
1628 |
static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
1629 |
abi_ulong target_addr, |
1630 |
abi_ulong target_addrlen) |
1631 |
{ |
1632 |
socklen_t addrlen; |
1633 |
void *addr;
|
1634 |
void *host_msg;
|
1635 |
abi_long ret; |
1636 |
|
1637 |
host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
|
1638 |
if (!host_msg)
|
1639 |
return -TARGET_EFAULT;
|
1640 |
if (target_addr) {
|
1641 |
if (get_user_u32(addrlen, target_addrlen)) {
|
1642 |
ret = -TARGET_EFAULT; |
1643 |
goto fail;
|
1644 |
} |
1645 |
if (addrlen < 0) { |
1646 |
ret = -TARGET_EINVAL; |
1647 |
goto fail;
|
1648 |
} |
1649 |
addr = alloca(addrlen); |
1650 |
ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); |
1651 |
} else {
|
1652 |
addr = NULL; /* To keep compiler quiet. */ |
1653 |
ret = get_errno(recv(fd, host_msg, len, flags)); |
1654 |
} |
1655 |
if (!is_error(ret)) {
|
1656 |
if (target_addr) {
|
1657 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
1658 |
if (put_user_u32(addrlen, target_addrlen)) {
|
1659 |
ret = -TARGET_EFAULT; |
1660 |
goto fail;
|
1661 |
} |
1662 |
} |
1663 |
unlock_user(host_msg, msg, len); |
1664 |
} else {
|
1665 |
fail:
|
1666 |
unlock_user(host_msg, msg, 0);
|
1667 |
} |
1668 |
return ret;
|
1669 |
} |
1670 |
|
1671 |
#ifdef TARGET_NR_socketcall
|
1672 |
/* do_socketcall() Must return target values and target errnos. */
|
1673 |
static abi_long do_socketcall(int num, abi_ulong vptr) |
1674 |
{ |
1675 |
abi_long ret; |
1676 |
const int n = sizeof(abi_ulong); |
1677 |
|
1678 |
switch(num) {
|
1679 |
case SOCKOP_socket:
|
1680 |
{ |
1681 |
int domain, type, protocol;
|
1682 |
|
1683 |
if (get_user_s32(domain, vptr)
|
1684 |
|| get_user_s32(type, vptr + n) |
1685 |
|| get_user_s32(protocol, vptr + 2 * n))
|
1686 |
return -TARGET_EFAULT;
|
1687 |
|
1688 |
ret = do_socket(domain, type, protocol); |
1689 |
} |
1690 |
break;
|
1691 |
case SOCKOP_bind:
|
1692 |
{ |
1693 |
int sockfd;
|
1694 |
abi_ulong target_addr; |
1695 |
socklen_t addrlen; |
1696 |
|
1697 |
if (get_user_s32(sockfd, vptr)
|
1698 |
|| get_user_ual(target_addr, vptr + n) |
1699 |
|| get_user_u32(addrlen, vptr + 2 * n))
|
1700 |
return -TARGET_EFAULT;
|
1701 |
|
1702 |
ret = do_bind(sockfd, target_addr, addrlen); |
1703 |
} |
1704 |
break;
|
1705 |
case SOCKOP_connect:
|
1706 |
{ |
1707 |
int sockfd;
|
1708 |
abi_ulong target_addr; |
1709 |
socklen_t addrlen; |
1710 |
|
1711 |
if (get_user_s32(sockfd, vptr)
|
1712 |
|| get_user_ual(target_addr, vptr + n) |
1713 |
|| get_user_u32(addrlen, vptr + 2 * n))
|
1714 |
return -TARGET_EFAULT;
|
1715 |
|
1716 |
ret = do_connect(sockfd, target_addr, addrlen); |
1717 |
} |
1718 |
break;
|
1719 |
case SOCKOP_listen:
|
1720 |
{ |
1721 |
int sockfd, backlog;
|
1722 |
|
1723 |
if (get_user_s32(sockfd, vptr)
|
1724 |
|| get_user_s32(backlog, vptr + n)) |
1725 |
return -TARGET_EFAULT;
|
1726 |
|
1727 |
ret = get_errno(listen(sockfd, backlog)); |
1728 |
} |
1729 |
break;
|
1730 |
case SOCKOP_accept:
|
1731 |
{ |
1732 |
int sockfd;
|
1733 |
abi_ulong target_addr, target_addrlen; |
1734 |
|
1735 |
if (get_user_s32(sockfd, vptr)
|
1736 |
|| get_user_ual(target_addr, vptr + n) |
1737 |
|| get_user_u32(target_addrlen, vptr + 2 * n))
|
1738 |
return -TARGET_EFAULT;
|
1739 |
|
1740 |
ret = do_accept(sockfd, target_addr, target_addrlen); |
1741 |
} |
1742 |
break;
|
1743 |
case SOCKOP_getsockname:
|
1744 |
{ |
1745 |
int sockfd;
|
1746 |
abi_ulong target_addr, target_addrlen; |
1747 |
|
1748 |
if (get_user_s32(sockfd, vptr)
|
1749 |
|| get_user_ual(target_addr, vptr + n) |
1750 |
|| get_user_u32(target_addrlen, vptr + 2 * n))
|
1751 |
return -TARGET_EFAULT;
|
1752 |
|
1753 |
ret = do_getsockname(sockfd, target_addr, target_addrlen); |
1754 |
} |
1755 |
break;
|
1756 |
case SOCKOP_getpeername:
|
1757 |
{ |
1758 |
int sockfd;
|
1759 |
abi_ulong target_addr, target_addrlen; |
1760 |
|
1761 |
if (get_user_s32(sockfd, vptr)
|
1762 |
|| get_user_ual(target_addr, vptr + n) |
1763 |
|| get_user_u32(target_addrlen, vptr + 2 * n))
|
1764 |
return -TARGET_EFAULT;
|
1765 |
|
1766 |
ret = do_getpeername(sockfd, target_addr, target_addrlen); |
1767 |
} |
1768 |
break;
|
1769 |
case SOCKOP_socketpair:
|
1770 |
{ |
1771 |
int domain, type, protocol;
|
1772 |
abi_ulong tab; |
1773 |
|
1774 |
if (get_user_s32(domain, vptr)
|
1775 |
|| get_user_s32(type, vptr + n) |
1776 |
|| get_user_s32(protocol, vptr + 2 * n)
|
1777 |
|| get_user_ual(tab, vptr + 3 * n))
|
1778 |
return -TARGET_EFAULT;
|
1779 |
|
1780 |
ret = do_socketpair(domain, type, protocol, tab); |
1781 |
} |
1782 |
break;
|
1783 |
case SOCKOP_send:
|
1784 |
{ |
1785 |
int sockfd;
|
1786 |
abi_ulong msg; |
1787 |
size_t len; |
1788 |
int flags;
|
1789 |
|
1790 |
if (get_user_s32(sockfd, vptr)
|
1791 |
|| get_user_ual(msg, vptr + n) |
1792 |
|| get_user_ual(len, vptr + 2 * n)
|
1793 |
|| get_user_s32(flags, vptr + 3 * n))
|
1794 |
return -TARGET_EFAULT;
|
1795 |
|
1796 |
ret = do_sendto(sockfd, msg, len, flags, 0, 0); |
1797 |
} |
1798 |
break;
|
1799 |
case SOCKOP_recv:
|
1800 |
{ |
1801 |
int sockfd;
|
1802 |
abi_ulong msg; |
1803 |
size_t len; |
1804 |
int flags;
|
1805 |
|
1806 |
if (get_user_s32(sockfd, vptr)
|
1807 |
|| get_user_ual(msg, vptr + n) |
1808 |
|| get_user_ual(len, vptr + 2 * n)
|
1809 |
|| get_user_s32(flags, vptr + 3 * n))
|
1810 |
return -TARGET_EFAULT;
|
1811 |
|
1812 |
ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); |
1813 |
} |
1814 |
break;
|
1815 |
case SOCKOP_sendto:
|
1816 |
{ |
1817 |
int sockfd;
|
1818 |
abi_ulong msg; |
1819 |
size_t len; |
1820 |
int flags;
|
1821 |
abi_ulong addr; |
1822 |
socklen_t addrlen; |
1823 |
|
1824 |
if (get_user_s32(sockfd, vptr)
|
1825 |
|| get_user_ual(msg, vptr + n) |
1826 |
|| get_user_ual(len, vptr + 2 * n)
|
1827 |
|| get_user_s32(flags, vptr + 3 * n)
|
1828 |
|| get_user_ual(addr, vptr + 4 * n)
|
1829 |
|| get_user_u32(addrlen, vptr + 5 * n))
|
1830 |
return -TARGET_EFAULT;
|
1831 |
|
1832 |
ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); |
1833 |
} |
1834 |
break;
|
1835 |
case SOCKOP_recvfrom:
|
1836 |
{ |
1837 |
int sockfd;
|
1838 |
abi_ulong msg; |
1839 |
size_t len; |
1840 |
int flags;
|
1841 |
abi_ulong addr; |
1842 |
socklen_t addrlen; |
1843 |
|
1844 |
if (get_user_s32(sockfd, vptr)
|
1845 |
|| get_user_ual(msg, vptr + n) |
1846 |
|| get_user_ual(len, vptr + 2 * n)
|
1847 |
|| get_user_s32(flags, vptr + 3 * n)
|
1848 |
|| get_user_ual(addr, vptr + 4 * n)
|
1849 |
|| get_user_u32(addrlen, vptr + 5 * n))
|
1850 |
return -TARGET_EFAULT;
|
1851 |
|
1852 |
ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); |
1853 |
} |
1854 |
break;
|
1855 |
case SOCKOP_shutdown:
|
1856 |
{ |
1857 |
int sockfd, how;
|
1858 |
|
1859 |
if (get_user_s32(sockfd, vptr)
|
1860 |
|| get_user_s32(how, vptr + n)) |
1861 |
return -TARGET_EFAULT;
|
1862 |
|
1863 |
ret = get_errno(shutdown(sockfd, how)); |
1864 |
} |
1865 |
break;
|
1866 |
case SOCKOP_sendmsg:
|
1867 |
case SOCKOP_recvmsg:
|
1868 |
{ |
1869 |
int fd;
|
1870 |
abi_ulong target_msg; |
1871 |
int flags;
|
1872 |
|
1873 |
if (get_user_s32(fd, vptr)
|
1874 |
|| get_user_ual(target_msg, vptr + n) |
1875 |
|| get_user_s32(flags, vptr + 2 * n))
|
1876 |
return -TARGET_EFAULT;
|
1877 |
|
1878 |
ret = do_sendrecvmsg(fd, target_msg, flags, |
1879 |
(num == SOCKOP_sendmsg)); |
1880 |
} |
1881 |
break;
|
1882 |
case SOCKOP_setsockopt:
|
1883 |
{ |
1884 |
int sockfd;
|
1885 |
int level;
|
1886 |
int optname;
|
1887 |
abi_ulong optval; |
1888 |
socklen_t optlen; |
1889 |
|
1890 |
if (get_user_s32(sockfd, vptr)
|
1891 |
|| get_user_s32(level, vptr + n) |
1892 |
|| get_user_s32(optname, vptr + 2 * n)
|
1893 |
|| get_user_ual(optval, vptr + 3 * n)
|
1894 |
|| get_user_u32(optlen, vptr + 4 * n))
|
1895 |
return -TARGET_EFAULT;
|
1896 |
|
1897 |
ret = do_setsockopt(sockfd, level, optname, optval, optlen); |
1898 |
} |
1899 |
break;
|
1900 |
case SOCKOP_getsockopt:
|
1901 |
{ |
1902 |
int sockfd;
|
1903 |
int level;
|
1904 |
int optname;
|
1905 |
abi_ulong optval; |
1906 |
socklen_t optlen; |
1907 |
|
1908 |
if (get_user_s32(sockfd, vptr)
|
1909 |
|| get_user_s32(level, vptr + n) |
1910 |
|| get_user_s32(optname, vptr + 2 * n)
|
1911 |
|| get_user_ual(optval, vptr + 3 * n)
|
1912 |
|| get_user_u32(optlen, vptr + 4 * n))
|
1913 |
return -TARGET_EFAULT;
|
1914 |
|
1915 |
ret = do_getsockopt(sockfd, level, optname, optval, optlen); |
1916 |
} |
1917 |
break;
|
1918 |
default:
|
1919 |
gemu_log("Unsupported socketcall: %d\n", num);
|
1920 |
ret = -TARGET_ENOSYS; |
1921 |
break;
|
1922 |
} |
1923 |
return ret;
|
1924 |
} |
1925 |
#endif
|
1926 |
|
1927 |
#ifdef TARGET_NR_ipc
|
1928 |
#define N_SHM_REGIONS 32 |
1929 |
|
1930 |
static struct shm_region { |
1931 |
abi_ulong start; |
1932 |
abi_ulong size; |
1933 |
} shm_regions[N_SHM_REGIONS]; |
1934 |
#endif
|
1935 |
|
1936 |
struct target_ipc_perm
|
1937 |
{ |
1938 |
abi_long __key; |
1939 |
abi_ulong uid; |
1940 |
abi_ulong gid; |
1941 |
abi_ulong cuid; |
1942 |
abi_ulong cgid; |
1943 |
unsigned short int mode; |
1944 |
unsigned short int __pad1; |
1945 |
unsigned short int __seq; |
1946 |
unsigned short int __pad2; |
1947 |
abi_ulong __unused1; |
1948 |
abi_ulong __unused2; |
1949 |
}; |
1950 |
|
1951 |
struct target_semid_ds
|
1952 |
{ |
1953 |
struct target_ipc_perm sem_perm;
|
1954 |
abi_ulong sem_otime; |
1955 |
abi_ulong __unused1; |
1956 |
abi_ulong sem_ctime; |
1957 |
abi_ulong __unused2; |
1958 |
abi_ulong sem_nsems; |
1959 |
abi_ulong __unused3; |
1960 |
abi_ulong __unused4; |
1961 |
}; |
1962 |
|
1963 |
static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
1964 |
abi_ulong target_addr) |
1965 |
{ |
1966 |
struct target_ipc_perm *target_ip;
|
1967 |
struct target_semid_ds *target_sd;
|
1968 |
|
1969 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
1970 |
return -TARGET_EFAULT;
|
1971 |
target_ip=&(target_sd->sem_perm); |
1972 |
host_ip->__key = tswapl(target_ip->__key); |
1973 |
host_ip->uid = tswapl(target_ip->uid); |
1974 |
host_ip->gid = tswapl(target_ip->gid); |
1975 |
host_ip->cuid = tswapl(target_ip->cuid); |
1976 |
host_ip->cgid = tswapl(target_ip->cgid); |
1977 |
host_ip->mode = tswapl(target_ip->mode); |
1978 |
unlock_user_struct(target_sd, target_addr, 0);
|
1979 |
return 0; |
1980 |
} |
1981 |
|
1982 |
static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
1983 |
struct ipc_perm *host_ip)
|
1984 |
{ |
1985 |
struct target_ipc_perm *target_ip;
|
1986 |
struct target_semid_ds *target_sd;
|
1987 |
|
1988 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
1989 |
return -TARGET_EFAULT;
|
1990 |
target_ip = &(target_sd->sem_perm); |
1991 |
target_ip->__key = tswapl(host_ip->__key); |
1992 |
target_ip->uid = tswapl(host_ip->uid); |
1993 |
target_ip->gid = tswapl(host_ip->gid); |
1994 |
target_ip->cuid = tswapl(host_ip->cuid); |
1995 |
target_ip->cgid = tswapl(host_ip->cgid); |
1996 |
target_ip->mode = tswapl(host_ip->mode); |
1997 |
unlock_user_struct(target_sd, target_addr, 1);
|
1998 |
return 0; |
1999 |
} |
2000 |
|
2001 |
static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
2002 |
abi_ulong target_addr) |
2003 |
{ |
2004 |
struct target_semid_ds *target_sd;
|
2005 |
|
2006 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2007 |
return -TARGET_EFAULT;
|
2008 |
if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
|
2009 |
return -TARGET_EFAULT;
|
2010 |
host_sd->sem_nsems = tswapl(target_sd->sem_nsems); |
2011 |
host_sd->sem_otime = tswapl(target_sd->sem_otime); |
2012 |
host_sd->sem_ctime = tswapl(target_sd->sem_ctime); |
2013 |
unlock_user_struct(target_sd, target_addr, 0);
|
2014 |
return 0; |
2015 |
} |
2016 |
|
2017 |
static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
2018 |
struct semid_ds *host_sd)
|
2019 |
{ |
2020 |
struct target_semid_ds *target_sd;
|
2021 |
|
2022 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2023 |
return -TARGET_EFAULT;
|
2024 |
if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
|
2025 |
return -TARGET_EFAULT;;
|
2026 |
target_sd->sem_nsems = tswapl(host_sd->sem_nsems); |
2027 |
target_sd->sem_otime = tswapl(host_sd->sem_otime); |
2028 |
target_sd->sem_ctime = tswapl(host_sd->sem_ctime); |
2029 |
unlock_user_struct(target_sd, target_addr, 1);
|
2030 |
return 0; |
2031 |
} |
2032 |
|
2033 |
struct target_seminfo {
|
2034 |
int semmap;
|
2035 |
int semmni;
|
2036 |
int semmns;
|
2037 |
int semmnu;
|
2038 |
int semmsl;
|
2039 |
int semopm;
|
2040 |
int semume;
|
2041 |
int semusz;
|
2042 |
int semvmx;
|
2043 |
int semaem;
|
2044 |
}; |
2045 |
|
2046 |
static inline abi_long host_to_target_seminfo(abi_ulong target_addr, |
2047 |
struct seminfo *host_seminfo)
|
2048 |
{ |
2049 |
struct target_seminfo *target_seminfo;
|
2050 |
if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) |
2051 |
return -TARGET_EFAULT;
|
2052 |
__put_user(host_seminfo->semmap, &target_seminfo->semmap); |
2053 |
__put_user(host_seminfo->semmni, &target_seminfo->semmni); |
2054 |
__put_user(host_seminfo->semmns, &target_seminfo->semmns); |
2055 |
__put_user(host_seminfo->semmnu, &target_seminfo->semmnu); |
2056 |
__put_user(host_seminfo->semmsl, &target_seminfo->semmsl); |
2057 |
__put_user(host_seminfo->semopm, &target_seminfo->semopm); |
2058 |
__put_user(host_seminfo->semume, &target_seminfo->semume); |
2059 |
__put_user(host_seminfo->semusz, &target_seminfo->semusz); |
2060 |
__put_user(host_seminfo->semvmx, &target_seminfo->semvmx); |
2061 |
__put_user(host_seminfo->semaem, &target_seminfo->semaem); |
2062 |
unlock_user_struct(target_seminfo, target_addr, 1);
|
2063 |
return 0; |
2064 |
} |
2065 |
|
2066 |
union semun {
|
2067 |
int val;
|
2068 |
struct semid_ds *buf;
|
2069 |
unsigned short *array; |
2070 |
struct seminfo *__buf;
|
2071 |
}; |
2072 |
|
2073 |
union target_semun {
|
2074 |
int val;
|
2075 |
abi_ulong buf; |
2076 |
abi_ulong array; |
2077 |
abi_ulong __buf; |
2078 |
}; |
2079 |
|
2080 |
static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
2081 |
abi_ulong target_addr) |
2082 |
{ |
2083 |
int nsems;
|
2084 |
unsigned short *array; |
2085 |
union semun semun;
|
2086 |
struct semid_ds semid_ds;
|
2087 |
int i, ret;
|
2088 |
|
2089 |
semun.buf = &semid_ds; |
2090 |
|
2091 |
ret = semctl(semid, 0, IPC_STAT, semun);
|
2092 |
if (ret == -1) |
2093 |
return get_errno(ret);
|
2094 |
|
2095 |
nsems = semid_ds.sem_nsems; |
2096 |
|
2097 |
*host_array = malloc(nsems*sizeof(unsigned short)); |
2098 |
array = lock_user(VERIFY_READ, target_addr, |
2099 |
nsems*sizeof(unsigned short), 1); |
2100 |
if (!array)
|
2101 |
return -TARGET_EFAULT;
|
2102 |
|
2103 |
for(i=0; i<nsems; i++) { |
2104 |
__get_user((*host_array)[i], &array[i]); |
2105 |
} |
2106 |
unlock_user(array, target_addr, 0);
|
2107 |
|
2108 |
return 0; |
2109 |
} |
2110 |
|
2111 |
static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
2112 |
unsigned short **host_array) |
2113 |
{ |
2114 |
int nsems;
|
2115 |
unsigned short *array; |
2116 |
union semun semun;
|
2117 |
struct semid_ds semid_ds;
|
2118 |
int i, ret;
|
2119 |
|
2120 |
semun.buf = &semid_ds; |
2121 |
|
2122 |
ret = semctl(semid, 0, IPC_STAT, semun);
|
2123 |
if (ret == -1) |
2124 |
return get_errno(ret);
|
2125 |
|
2126 |
nsems = semid_ds.sem_nsems; |
2127 |
|
2128 |
array = lock_user(VERIFY_WRITE, target_addr, |
2129 |
nsems*sizeof(unsigned short), 0); |
2130 |
if (!array)
|
2131 |
return -TARGET_EFAULT;
|
2132 |
|
2133 |
for(i=0; i<nsems; i++) { |
2134 |
__put_user((*host_array)[i], &array[i]); |
2135 |
} |
2136 |
free(*host_array); |
2137 |
unlock_user(array, target_addr, 1);
|
2138 |
|
2139 |
return 0; |
2140 |
} |
2141 |
|
2142 |
static inline abi_long do_semctl(int semid, int semnum, int cmd, |
2143 |
union target_semun target_su)
|
2144 |
{ |
2145 |
union semun arg;
|
2146 |
struct semid_ds dsarg;
|
2147 |
unsigned short *array; |
2148 |
struct seminfo seminfo;
|
2149 |
abi_long ret = -TARGET_EINVAL; |
2150 |
abi_long err; |
2151 |
cmd &= 0xff;
|
2152 |
|
2153 |
switch( cmd ) {
|
2154 |
case GETVAL:
|
2155 |
case SETVAL:
|
2156 |
arg.val = tswapl(target_su.val); |
2157 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
2158 |
target_su.val = tswapl(arg.val); |
2159 |
break;
|
2160 |
case GETALL:
|
2161 |
case SETALL:
|
2162 |
err = target_to_host_semarray(semid, &array, target_su.array); |
2163 |
if (err)
|
2164 |
return err;
|
2165 |
arg.array = array; |
2166 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
2167 |
err = host_to_target_semarray(semid, target_su.array, &array); |
2168 |
if (err)
|
2169 |
return err;
|
2170 |
break;
|
2171 |
case IPC_STAT:
|
2172 |
case IPC_SET:
|
2173 |
case SEM_STAT:
|
2174 |
err = target_to_host_semid_ds(&dsarg, target_su.buf); |
2175 |
if (err)
|
2176 |
return err;
|
2177 |
arg.buf = &dsarg; |
2178 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
2179 |
err = host_to_target_semid_ds(target_su.buf, &dsarg); |
2180 |
if (err)
|
2181 |
return err;
|
2182 |
break;
|
2183 |
case IPC_INFO:
|
2184 |
case SEM_INFO:
|
2185 |
arg.__buf = &seminfo; |
2186 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
2187 |
err = host_to_target_seminfo(target_su.__buf, &seminfo); |
2188 |
if (err)
|
2189 |
return err;
|
2190 |
break;
|
2191 |
case IPC_RMID:
|
2192 |
case GETPID:
|
2193 |
case GETNCNT:
|
2194 |
case GETZCNT:
|
2195 |
ret = get_errno(semctl(semid, semnum, cmd, NULL));
|
2196 |
break;
|
2197 |
} |
2198 |
|
2199 |
return ret;
|
2200 |
} |
2201 |
|
2202 |
struct target_sembuf {
|
2203 |
unsigned short sem_num; |
2204 |
short sem_op;
|
2205 |
short sem_flg;
|
2206 |
}; |
2207 |
|
2208 |
static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, |
2209 |
abi_ulong target_addr, |
2210 |
unsigned nsops)
|
2211 |
{ |
2212 |
struct target_sembuf *target_sembuf;
|
2213 |
int i;
|
2214 |
|
2215 |
target_sembuf = lock_user(VERIFY_READ, target_addr, |
2216 |
nsops*sizeof(struct target_sembuf), 1); |
2217 |
if (!target_sembuf)
|
2218 |
return -TARGET_EFAULT;
|
2219 |
|
2220 |
for(i=0; i<nsops; i++) { |
2221 |
__get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); |
2222 |
__get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); |
2223 |
__get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); |
2224 |
} |
2225 |
|
2226 |
unlock_user(target_sembuf, target_addr, 0);
|
2227 |
|
2228 |
return 0; |
2229 |
} |
2230 |
|
2231 |
static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) |
2232 |
{ |
2233 |
struct sembuf sops[nsops];
|
2234 |
|
2235 |
if (target_to_host_sembuf(sops, ptr, nsops))
|
2236 |
return -TARGET_EFAULT;
|
2237 |
|
2238 |
return semop(semid, sops, nsops);
|
2239 |
} |
2240 |
|
2241 |
struct target_msqid_ds
|
2242 |
{ |
2243 |
struct target_ipc_perm msg_perm;
|
2244 |
abi_ulong msg_stime; |
2245 |
#if TARGET_ABI_BITS == 32 |
2246 |
abi_ulong __unused1; |
2247 |
#endif
|
2248 |
abi_ulong msg_rtime; |
2249 |
#if TARGET_ABI_BITS == 32 |
2250 |
abi_ulong __unused2; |
2251 |
#endif
|
2252 |
abi_ulong msg_ctime; |
2253 |
#if TARGET_ABI_BITS == 32 |
2254 |
abi_ulong __unused3; |
2255 |
#endif
|
2256 |
abi_ulong __msg_cbytes; |
2257 |
abi_ulong msg_qnum; |
2258 |
abi_ulong msg_qbytes; |
2259 |
abi_ulong msg_lspid; |
2260 |
abi_ulong msg_lrpid; |
2261 |
abi_ulong __unused4; |
2262 |
abi_ulong __unused5; |
2263 |
}; |
2264 |
|
2265 |
static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
2266 |
abi_ulong target_addr) |
2267 |
{ |
2268 |
struct target_msqid_ds *target_md;
|
2269 |
|
2270 |
if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
2271 |
return -TARGET_EFAULT;
|
2272 |
if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
|
2273 |
return -TARGET_EFAULT;
|
2274 |
host_md->msg_stime = tswapl(target_md->msg_stime); |
2275 |
host_md->msg_rtime = tswapl(target_md->msg_rtime); |
2276 |
host_md->msg_ctime = tswapl(target_md->msg_ctime); |
2277 |
host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes); |
2278 |
host_md->msg_qnum = tswapl(target_md->msg_qnum); |
2279 |
host_md->msg_qbytes = tswapl(target_md->msg_qbytes); |
2280 |
host_md->msg_lspid = tswapl(target_md->msg_lspid); |
2281 |
host_md->msg_lrpid = tswapl(target_md->msg_lrpid); |
2282 |
unlock_user_struct(target_md, target_addr, 0);
|
2283 |
return 0; |
2284 |
} |
2285 |
|
2286 |
static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
2287 |
struct msqid_ds *host_md)
|
2288 |
{ |
2289 |
struct target_msqid_ds *target_md;
|
2290 |
|
2291 |
if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
2292 |
return -TARGET_EFAULT;
|
2293 |
if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
|
2294 |
return -TARGET_EFAULT;
|
2295 |
target_md->msg_stime = tswapl(host_md->msg_stime); |
2296 |
target_md->msg_rtime = tswapl(host_md->msg_rtime); |
2297 |
target_md->msg_ctime = tswapl(host_md->msg_ctime); |
2298 |
target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes); |
2299 |
target_md->msg_qnum = tswapl(host_md->msg_qnum); |
2300 |
target_md->msg_qbytes = tswapl(host_md->msg_qbytes); |
2301 |
target_md->msg_lspid = tswapl(host_md->msg_lspid); |
2302 |
target_md->msg_lrpid = tswapl(host_md->msg_lrpid); |
2303 |
unlock_user_struct(target_md, target_addr, 1);
|
2304 |
return 0; |
2305 |
} |
2306 |
|
2307 |
struct target_msginfo {
|
2308 |
int msgpool;
|
2309 |
int msgmap;
|
2310 |
int msgmax;
|
2311 |
int msgmnb;
|
2312 |
int msgmni;
|
2313 |
int msgssz;
|
2314 |
int msgtql;
|
2315 |
unsigned short int msgseg; |
2316 |
}; |
2317 |
|
2318 |
static inline abi_long host_to_target_msginfo(abi_ulong target_addr, |
2319 |
struct msginfo *host_msginfo)
|
2320 |
{ |
2321 |
struct target_msginfo *target_msginfo;
|
2322 |
if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) |
2323 |
return -TARGET_EFAULT;
|
2324 |
__put_user(host_msginfo->msgpool, &target_msginfo->msgpool); |
2325 |
__put_user(host_msginfo->msgmap, &target_msginfo->msgmap); |
2326 |
__put_user(host_msginfo->msgmax, &target_msginfo->msgmax); |
2327 |
__put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); |
2328 |
__put_user(host_msginfo->msgmni, &target_msginfo->msgmni); |
2329 |
__put_user(host_msginfo->msgssz, &target_msginfo->msgssz); |
2330 |
__put_user(host_msginfo->msgtql, &target_msginfo->msgtql); |
2331 |
__put_user(host_msginfo->msgseg, &target_msginfo->msgseg); |
2332 |
unlock_user_struct(target_msginfo, target_addr, 1);
|
2333 |
return 0; |
2334 |
} |
2335 |
|
2336 |
static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) |
2337 |
{ |
2338 |
struct msqid_ds dsarg;
|
2339 |
struct msginfo msginfo;
|
2340 |
abi_long ret = -TARGET_EINVAL; |
2341 |
|
2342 |
cmd &= 0xff;
|
2343 |
|
2344 |
switch (cmd) {
|
2345 |
case IPC_STAT:
|
2346 |
case IPC_SET:
|
2347 |
case MSG_STAT:
|
2348 |
if (target_to_host_msqid_ds(&dsarg,ptr))
|
2349 |
return -TARGET_EFAULT;
|
2350 |
ret = get_errno(msgctl(msgid, cmd, &dsarg)); |
2351 |
if (host_to_target_msqid_ds(ptr,&dsarg))
|
2352 |
return -TARGET_EFAULT;
|
2353 |
break;
|
2354 |
case IPC_RMID:
|
2355 |
ret = get_errno(msgctl(msgid, cmd, NULL));
|
2356 |
break;
|
2357 |
case IPC_INFO:
|
2358 |
case MSG_INFO:
|
2359 |
ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
|
2360 |
if (host_to_target_msginfo(ptr, &msginfo))
|
2361 |
return -TARGET_EFAULT;
|
2362 |
break;
|
2363 |
} |
2364 |
|
2365 |
return ret;
|
2366 |
} |
2367 |
|
2368 |
struct target_msgbuf {
|
2369 |
abi_long mtype; |
2370 |
char mtext[1]; |
2371 |
}; |
2372 |
|
2373 |
static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
2374 |
unsigned int msgsz, int msgflg) |
2375 |
{ |
2376 |
struct target_msgbuf *target_mb;
|
2377 |
struct msgbuf *host_mb;
|
2378 |
abi_long ret = 0;
|
2379 |
|
2380 |
if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
2381 |
return -TARGET_EFAULT;
|
2382 |
host_mb = malloc(msgsz+sizeof(long)); |
2383 |
host_mb->mtype = (abi_long) tswapl(target_mb->mtype); |
2384 |
memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
2385 |
ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); |
2386 |
free(host_mb); |
2387 |
unlock_user_struct(target_mb, msgp, 0);
|
2388 |
|
2389 |
return ret;
|
2390 |
} |
2391 |
|
2392 |
static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
2393 |
unsigned int msgsz, abi_long msgtyp, |
2394 |
int msgflg)
|
2395 |
{ |
2396 |
struct target_msgbuf *target_mb;
|
2397 |
char *target_mtext;
|
2398 |
struct msgbuf *host_mb;
|
2399 |
abi_long ret = 0;
|
2400 |
|
2401 |
if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
2402 |
return -TARGET_EFAULT;
|
2403 |
|
2404 |
host_mb = malloc(msgsz+sizeof(long)); |
2405 |
ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg)); |
2406 |
|
2407 |
if (ret > 0) { |
2408 |
abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
|
2409 |
target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
|
2410 |
if (!target_mtext) {
|
2411 |
ret = -TARGET_EFAULT; |
2412 |
goto end;
|
2413 |
} |
2414 |
memcpy(target_mb->mtext, host_mb->mtext, ret); |
2415 |
unlock_user(target_mtext, target_mtext_addr, ret); |
2416 |
} |
2417 |
|
2418 |
target_mb->mtype = tswapl(host_mb->mtype); |
2419 |
free(host_mb); |
2420 |
|
2421 |
end:
|
2422 |
if (target_mb)
|
2423 |
unlock_user_struct(target_mb, msgp, 1);
|
2424 |
return ret;
|
2425 |
} |
2426 |
|
2427 |
#ifdef TARGET_NR_ipc
|
2428 |
/* ??? This only works with linear mappings. */
|
2429 |
/* do_ipc() must return target values and target errnos. */
|
2430 |
static abi_long do_ipc(unsigned int call, int first, |
2431 |
int second, int third, |
2432 |
abi_long ptr, abi_long fifth) |
2433 |
{ |
2434 |
int version;
|
2435 |
abi_long ret = 0;
|
2436 |
struct shmid_ds shm_info;
|
2437 |
int i;
|
2438 |
|
2439 |
version = call >> 16;
|
2440 |
call &= 0xffff;
|
2441 |
|
2442 |
switch (call) {
|
2443 |
case IPCOP_semop:
|
2444 |
ret = do_semop(first, ptr, second); |
2445 |
break;
|
2446 |
|
2447 |
case IPCOP_semget:
|
2448 |
ret = get_errno(semget(first, second, third)); |
2449 |
break;
|
2450 |
|
2451 |
case IPCOP_semctl:
|
2452 |
ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
|
2453 |
break;
|
2454 |
|
2455 |
case IPCOP_msgget:
|
2456 |
ret = get_errno(msgget(first, second)); |
2457 |
break;
|
2458 |
|
2459 |
case IPCOP_msgsnd:
|
2460 |
ret = do_msgsnd(first, ptr, second, third); |
2461 |
break;
|
2462 |
|
2463 |
case IPCOP_msgctl:
|
2464 |
ret = do_msgctl(first, second, ptr); |
2465 |
break;
|
2466 |
|
2467 |
case IPCOP_msgrcv:
|
2468 |
switch (version) {
|
2469 |
case 0: |
2470 |
{ |
2471 |
struct target_ipc_kludge {
|
2472 |
abi_long msgp; |
2473 |
abi_long msgtyp; |
2474 |
} *tmp; |
2475 |
|
2476 |
if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { |
2477 |
ret = -TARGET_EFAULT; |
2478 |
break;
|
2479 |
} |
2480 |
|
2481 |
ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third); |
2482 |
|
2483 |
unlock_user_struct(tmp, ptr, 0);
|
2484 |
break;
|
2485 |
} |
2486 |
default:
|
2487 |
ret = do_msgrcv(first, ptr, second, fifth, third); |
2488 |
} |
2489 |
break;
|
2490 |
|
2491 |
case IPCOP_shmat:
|
2492 |
{ |
2493 |
abi_ulong raddr; |
2494 |
void *host_addr;
|
2495 |
/* SHM_* flags are the same on all linux platforms */
|
2496 |
host_addr = shmat(first, (void *)g2h(ptr), second);
|
2497 |
if (host_addr == (void *)-1) { |
2498 |
ret = get_errno((long)host_addr);
|
2499 |
break;
|
2500 |
} |
2501 |
raddr = h2g((unsigned long)host_addr); |
2502 |
/* find out the length of the shared memory segment */
|
2503 |
|
2504 |
ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); |
2505 |
if (is_error(ret)) {
|
2506 |
/* can't get length, bail out */
|
2507 |
shmdt(host_addr); |
2508 |
break;
|
2509 |
} |
2510 |
page_set_flags(raddr, raddr + shm_info.shm_segsz, |
2511 |
PAGE_VALID | PAGE_READ | |
2512 |
((second & SHM_RDONLY)? 0: PAGE_WRITE));
|
2513 |
for (i = 0; i < N_SHM_REGIONS; ++i) { |
2514 |
if (shm_regions[i].start == 0) { |
2515 |
shm_regions[i].start = raddr; |
2516 |
shm_regions[i].size = shm_info.shm_segsz; |
2517 |
break;
|
2518 |
} |
2519 |
} |
2520 |
if (put_user_ual(raddr, third))
|
2521 |
return -TARGET_EFAULT;
|
2522 |
ret = 0;
|
2523 |
} |
2524 |
break;
|
2525 |
case IPCOP_shmdt:
|
2526 |
for (i = 0; i < N_SHM_REGIONS; ++i) { |
2527 |
if (shm_regions[i].start == ptr) {
|
2528 |
shm_regions[i].start = 0;
|
2529 |
page_set_flags(ptr, shm_regions[i].size, 0);
|
2530 |
break;
|
2531 |
} |
2532 |
} |
2533 |
ret = get_errno(shmdt((void *)g2h(ptr)));
|
2534 |
break;
|
2535 |
|
2536 |
case IPCOP_shmget:
|
2537 |
/* IPC_* flag values are the same on all linux platforms */
|
2538 |
ret = get_errno(shmget(first, second, third)); |
2539 |
break;
|
2540 |
|
2541 |
/* IPC_* and SHM_* command values are the same on all linux platforms */
|
2542 |
case IPCOP_shmctl:
|
2543 |
switch(second) {
|
2544 |
case IPC_RMID:
|
2545 |
case SHM_LOCK:
|
2546 |
case SHM_UNLOCK:
|
2547 |
ret = get_errno(shmctl(first, second, NULL));
|
2548 |
break;
|
2549 |
default:
|
2550 |
goto unimplemented;
|
2551 |
} |
2552 |
break;
|
2553 |
default:
|
2554 |
unimplemented:
|
2555 |
gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
|
2556 |
ret = -TARGET_ENOSYS; |
2557 |
break;
|
2558 |
} |
2559 |
return ret;
|
2560 |
} |
2561 |
#endif
|
2562 |
|
2563 |
/* kernel structure types definitions */
|
2564 |
#define IFNAMSIZ 16 |
2565 |
|
2566 |
#define STRUCT(name, list...) STRUCT_ ## name, |
2567 |
#define STRUCT_SPECIAL(name) STRUCT_ ## name, |
2568 |
enum {
|
2569 |
#include "syscall_types.h" |
2570 |
}; |
2571 |
#undef STRUCT
|
2572 |
#undef STRUCT_SPECIAL
|
2573 |
|
2574 |
#define STRUCT(name, list...) static const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; |
2575 |
#define STRUCT_SPECIAL(name)
|
2576 |
#include "syscall_types.h" |
2577 |
#undef STRUCT
|
2578 |
#undef STRUCT_SPECIAL
|
2579 |
|
2580 |
typedef struct IOCTLEntry { |
2581 |
unsigned int target_cmd; |
2582 |
unsigned int host_cmd; |
2583 |
const char *name; |
2584 |
int access;
|
2585 |
const argtype arg_type[5]; |
2586 |
} IOCTLEntry; |
2587 |
|
2588 |
#define IOC_R 0x0001 |
2589 |
#define IOC_W 0x0002 |
2590 |
#define IOC_RW (IOC_R | IOC_W)
|
2591 |
|
2592 |
#define MAX_STRUCT_SIZE 4096 |
2593 |
|
2594 |
static IOCTLEntry ioctl_entries[] = {
|
2595 |
#define IOCTL(cmd, access, types...) \
|
2596 |
{ TARGET_ ## cmd, cmd, #cmd, access, { types } }, |
2597 |
#include "ioctls.h" |
2598 |
{ 0, 0, }, |
2599 |
}; |
2600 |
|
2601 |
/* ??? Implement proper locking for ioctls. */
|
2602 |
/* do_ioctl() Must return target values and target errnos. */
|
2603 |
static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg) |
2604 |
{ |
2605 |
const IOCTLEntry *ie;
|
2606 |
const argtype *arg_type;
|
2607 |
abi_long ret; |
2608 |
uint8_t buf_temp[MAX_STRUCT_SIZE]; |
2609 |
int target_size;
|
2610 |
void *argptr;
|
2611 |
|
2612 |
ie = ioctl_entries; |
2613 |
for(;;) {
|
2614 |
if (ie->target_cmd == 0) { |
2615 |
gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
2616 |
return -TARGET_ENOSYS;
|
2617 |
} |
2618 |
if (ie->target_cmd == cmd)
|
2619 |
break;
|
2620 |
ie++; |
2621 |
} |
2622 |
arg_type = ie->arg_type; |
2623 |
#if defined(DEBUG)
|
2624 |
gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); |
2625 |
#endif
|
2626 |
switch(arg_type[0]) { |
2627 |
case TYPE_NULL:
|
2628 |
/* no argument */
|
2629 |
ret = get_errno(ioctl(fd, ie->host_cmd)); |
2630 |
break;
|
2631 |
case TYPE_PTRVOID:
|
2632 |
case TYPE_INT:
|
2633 |
/* int argment */
|
2634 |
ret = get_errno(ioctl(fd, ie->host_cmd, arg)); |
2635 |
break;
|
2636 |
case TYPE_PTR:
|
2637 |
arg_type++; |
2638 |
target_size = thunk_type_size(arg_type, 0);
|
2639 |
switch(ie->access) {
|
2640 |
case IOC_R:
|
2641 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
2642 |
if (!is_error(ret)) {
|
2643 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
2644 |
if (!argptr)
|
2645 |
return -TARGET_EFAULT;
|
2646 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
2647 |
unlock_user(argptr, arg, target_size); |
2648 |
} |
2649 |
break;
|
2650 |
case IOC_W:
|
2651 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
2652 |
if (!argptr)
|
2653 |
return -TARGET_EFAULT;
|
2654 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
2655 |
unlock_user(argptr, arg, 0);
|
2656 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
2657 |
break;
|
2658 |
default:
|
2659 |
case IOC_RW:
|
2660 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
2661 |
if (!argptr)
|
2662 |
return -TARGET_EFAULT;
|
2663 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
2664 |
unlock_user(argptr, arg, 0);
|
2665 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
2666 |
if (!is_error(ret)) {
|
2667 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
2668 |
if (!argptr)
|
2669 |
return -TARGET_EFAULT;
|
2670 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
2671 |
unlock_user(argptr, arg, target_size); |
2672 |
} |
2673 |
break;
|
2674 |
} |
2675 |
break;
|
2676 |
default:
|
2677 |
gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
|
2678 |
(long)cmd, arg_type[0]); |
2679 |
ret = -TARGET_ENOSYS; |
2680 |
break;
|
2681 |
} |
2682 |
return ret;
|
2683 |
} |
2684 |
|
2685 |
static const bitmask_transtbl iflag_tbl[] = { |
2686 |
{ TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
2687 |
{ TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, |
2688 |
{ TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, |
2689 |
{ TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, |
2690 |
{ TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, |
2691 |
{ TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, |
2692 |
{ TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, |
2693 |
{ TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, |
2694 |
{ TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, |
2695 |
{ TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, |
2696 |
{ TARGET_IXON, TARGET_IXON, IXON, IXON }, |
2697 |
{ TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, |
2698 |
{ TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, |
2699 |
{ TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, |
2700 |
{ 0, 0, 0, 0 } |
2701 |
}; |
2702 |
|
2703 |
static const bitmask_transtbl oflag_tbl[] = { |
2704 |
{ TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
2705 |
{ TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, |
2706 |
{ TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, |
2707 |
{ TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, |
2708 |
{ TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, |
2709 |
{ TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, |
2710 |
{ TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, |
2711 |
{ TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, |
2712 |
{ TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, |
2713 |
{ TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, |
2714 |
{ TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, |
2715 |
{ TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, |
2716 |
{ TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, |
2717 |
{ TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, |
2718 |
{ TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, |
2719 |
{ TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, |
2720 |
{ TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, |
2721 |
{ TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, |
2722 |
{ TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, |
2723 |
{ TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, |
2724 |
{ TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, |
2725 |
{ TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, |
2726 |
{ TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, |
2727 |
{ TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, |
2728 |
{ 0, 0, 0, 0 } |
2729 |
}; |
2730 |
|
2731 |
static const bitmask_transtbl cflag_tbl[] = { |
2732 |
{ TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
2733 |
{ TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, |
2734 |
{ TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, |
2735 |
{ TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, |
2736 |
{ TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, |
2737 |
{ TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, |
2738 |
{ TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, |
2739 |
{ TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, |
2740 |
{ TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, |
2741 |
{ TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, |
2742 |
{ TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, |
2743 |
{ TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, |
2744 |
{ TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, |
2745 |
{ TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, |
2746 |
{ TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, |
2747 |
{ TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, |
2748 |
{ TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, |
2749 |
{ TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, |
2750 |
{ TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, |
2751 |
{ TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, |
2752 |
{ TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, |
2753 |
{ TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, |
2754 |
{ TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, |
2755 |
{ TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, |
2756 |
{ TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, |
2757 |
{ TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, |
2758 |
{ TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, |
2759 |
{ TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, |
2760 |
{ TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, |
2761 |
{ TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, |
2762 |
{ TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, |
2763 |
{ 0, 0, 0, 0 } |
2764 |
}; |
2765 |
|
2766 |
static const bitmask_transtbl lflag_tbl[] = { |
2767 |
{ TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
2768 |
{ TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, |
2769 |
{ TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, |
2770 |
{ TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, |
2771 |
{ TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, |
2772 |
{ TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, |
2773 |
{ TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, |
2774 |
{ TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, |
2775 |
{ TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, |
2776 |
{ TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, |
2777 |
{ TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, |
2778 |
{ TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, |
2779 |
{ TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, |
2780 |
{ TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, |
2781 |
{ TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, |
2782 |
{ 0, 0, 0, 0 } |
2783 |
}; |
2784 |
|
2785 |
static void target_to_host_termios (void *dst, const void *src) |
2786 |
{ |
2787 |
struct host_termios *host = dst;
|
2788 |
const struct target_termios *target = src; |
2789 |
|
2790 |
host->c_iflag = |
2791 |
target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
2792 |
host->c_oflag = |
2793 |
target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
2794 |
host->c_cflag = |
2795 |
target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
2796 |
host->c_lflag = |
2797 |
target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
2798 |
host->c_line = target->c_line; |
2799 |
|
2800 |
host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
2801 |
host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; |
2802 |
host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
2803 |
host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
2804 |
host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
2805 |
host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
2806 |
host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
2807 |
host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
2808 |
host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
2809 |
host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
2810 |
host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; |
2811 |
host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
2812 |
host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; |
2813 |
host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; |
2814 |
host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; |
2815 |
host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; |
2816 |
host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
2817 |
} |
2818 |
|
2819 |
static void host_to_target_termios (void *dst, const void *src) |
2820 |
{ |
2821 |
struct target_termios *target = dst;
|
2822 |
const struct host_termios *host = src; |
2823 |
|
2824 |
target->c_iflag = |
2825 |
tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
2826 |
target->c_oflag = |
2827 |
tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
2828 |
target->c_cflag = |
2829 |
tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
2830 |
target->c_lflag = |
2831 |
tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
2832 |
target->c_line = host->c_line; |
2833 |
|
2834 |
target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
2835 |
target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; |
2836 |
target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; |
2837 |
target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; |
2838 |
target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; |
2839 |
target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; |
2840 |
target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; |
2841 |
target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; |
2842 |
target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; |
2843 |
target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; |
2844 |
target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; |
2845 |
target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; |
2846 |
target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; |
2847 |
target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; |
2848 |
target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; |
2849 |
target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; |
2850 |
target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; |
2851 |
} |
2852 |
|
2853 |
static const StructEntry struct_termios_def = { |
2854 |
.convert = { host_to_target_termios, target_to_host_termios }, |
2855 |
.size = { sizeof(struct target_termios), sizeof(struct host_termios) }, |
2856 |
.align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, |
2857 |
}; |
2858 |
|
2859 |
static bitmask_transtbl mmap_flags_tbl[] = {
|
2860 |
{ TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, |
2861 |
{ TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, |
2862 |
{ TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, |
2863 |
{ TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, |
2864 |
{ TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, |
2865 |
{ TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, |
2866 |
{ TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, |
2867 |
{ TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, |
2868 |
{ 0, 0, 0, 0 } |
2869 |
}; |
2870 |
|
2871 |
#if defined(TARGET_I386)
|
2872 |
|
2873 |
/* NOTE: there is really one LDT for all the threads */
|
2874 |
static uint8_t *ldt_table;
|
2875 |
|
2876 |
static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
2877 |
{ |
2878 |
int size;
|
2879 |
void *p;
|
2880 |
|
2881 |
if (!ldt_table)
|
2882 |
return 0; |
2883 |
size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; |
2884 |
if (size > bytecount)
|
2885 |
size = bytecount; |
2886 |
p = lock_user(VERIFY_WRITE, ptr, size, 0);
|
2887 |
if (!p)
|
2888 |
return -TARGET_EFAULT;
|
2889 |
/* ??? Should this by byteswapped? */
|
2890 |
memcpy(p, ldt_table, size); |
2891 |
unlock_user(p, ptr, size); |
2892 |
return size;
|
2893 |
} |
2894 |
|
2895 |
/* XXX: add locking support */
|
2896 |
static abi_long write_ldt(CPUX86State *env,
|
2897 |
abi_ulong ptr, unsigned long bytecount, int oldmode) |
2898 |
{ |
2899 |
struct target_modify_ldt_ldt_s ldt_info;
|
2900 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
2901 |
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
2902 |
int seg_not_present, useable, lm;
|
2903 |
uint32_t *lp, entry_1, entry_2; |
2904 |
|
2905 |
if (bytecount != sizeof(ldt_info)) |
2906 |
return -TARGET_EINVAL;
|
2907 |
if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
2908 |
return -TARGET_EFAULT;
|
2909 |
ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
2910 |
ldt_info.base_addr = tswapl(target_ldt_info->base_addr); |
2911 |
ldt_info.limit = tswap32(target_ldt_info->limit); |
2912 |
ldt_info.flags = tswap32(target_ldt_info->flags); |
2913 |
unlock_user_struct(target_ldt_info, ptr, 0);
|
2914 |
|
2915 |
if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
|
2916 |
return -TARGET_EINVAL;
|
2917 |
seg_32bit = ldt_info.flags & 1;
|
2918 |
contents = (ldt_info.flags >> 1) & 3; |
2919 |
read_exec_only = (ldt_info.flags >> 3) & 1; |
2920 |
limit_in_pages = (ldt_info.flags >> 4) & 1; |
2921 |
seg_not_present = (ldt_info.flags >> 5) & 1; |
2922 |
useable = (ldt_info.flags >> 6) & 1; |
2923 |
#ifdef TARGET_ABI32
|
2924 |
lm = 0;
|
2925 |
#else
|
2926 |
lm = (ldt_info.flags >> 7) & 1; |
2927 |
#endif
|
2928 |
if (contents == 3) { |
2929 |
if (oldmode)
|
2930 |
return -TARGET_EINVAL;
|
2931 |
if (seg_not_present == 0) |
2932 |
return -TARGET_EINVAL;
|
2933 |
} |
2934 |
/* allocate the LDT */
|
2935 |
if (!ldt_table) {
|
2936 |
env->ldt.base = target_mmap(0,
|
2937 |
TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, |
2938 |
PROT_READ|PROT_WRITE, |
2939 |
MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); |
2940 |
if (env->ldt.base == -1) |
2941 |
return -TARGET_ENOMEM;
|
2942 |
memset(g2h(env->ldt.base), 0,
|
2943 |
TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
2944 |
env->ldt.limit = 0xffff;
|
2945 |
ldt_table = g2h(env->ldt.base); |
2946 |
} |
2947 |
|
2948 |
/* NOTE: same code as Linux kernel */
|
2949 |
/* Allow LDTs to be cleared by the user. */
|
2950 |
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
2951 |
if (oldmode ||
|
2952 |
(contents == 0 &&
|
2953 |
read_exec_only == 1 &&
|
2954 |
seg_32bit == 0 &&
|
2955 |
limit_in_pages == 0 &&
|
2956 |
seg_not_present == 1 &&
|
2957 |
useable == 0 )) {
|
2958 |
entry_1 = 0;
|
2959 |
entry_2 = 0;
|
2960 |
goto install;
|
2961 |
} |
2962 |
} |
2963 |
|
2964 |
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
2965 |
(ldt_info.limit & 0x0ffff);
|
2966 |
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
2967 |
((ldt_info.base_addr & 0x00ff0000) >> 16) | |
2968 |
(ldt_info.limit & 0xf0000) |
|
2969 |
((read_exec_only ^ 1) << 9) | |
2970 |
(contents << 10) |
|
2971 |
((seg_not_present ^ 1) << 15) | |
2972 |
(seg_32bit << 22) |
|
2973 |
(limit_in_pages << 23) |
|
2974 |
(lm << 21) |
|
2975 |
0x7000;
|
2976 |
if (!oldmode)
|
2977 |
entry_2 |= (useable << 20);
|
2978 |
|
2979 |
/* Install the new entry ... */
|
2980 |
install:
|
2981 |
lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
|
2982 |
lp[0] = tswap32(entry_1);
|
2983 |
lp[1] = tswap32(entry_2);
|
2984 |
return 0; |
2985 |
} |
2986 |
|
2987 |
/* specific and weird i386 syscalls */
|
2988 |
static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
2989 |
unsigned long bytecount) |
2990 |
{ |
2991 |
abi_long ret; |
2992 |
|
2993 |
switch (func) {
|
2994 |
case 0: |
2995 |
ret = read_ldt(ptr, bytecount); |
2996 |
break;
|
2997 |
case 1: |
2998 |
ret = write_ldt(env, ptr, bytecount, 1);
|
2999 |
break;
|
3000 |
case 0x11: |
3001 |
ret = write_ldt(env, ptr, bytecount, 0);
|
3002 |
break;
|
3003 |
default:
|
3004 |
ret = -TARGET_ENOSYS; |
3005 |
break;
|
3006 |
} |
3007 |
return ret;
|
3008 |
} |
3009 |
|
3010 |
#if defined(TARGET_I386) && defined(TARGET_ABI32)
|
3011 |
static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
|
3012 |
{ |
3013 |
uint64_t *gdt_table = g2h(env->gdt.base); |
3014 |
struct target_modify_ldt_ldt_s ldt_info;
|
3015 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
3016 |
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
3017 |
int seg_not_present, useable, lm;
|
3018 |
uint32_t *lp, entry_1, entry_2; |
3019 |
int i;
|
3020 |
|
3021 |
lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
|
3022 |
if (!target_ldt_info)
|
3023 |
return -TARGET_EFAULT;
|
3024 |
ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
3025 |
ldt_info.base_addr = tswapl(target_ldt_info->base_addr); |
3026 |
ldt_info.limit = tswap32(target_ldt_info->limit); |
3027 |
ldt_info.flags = tswap32(target_ldt_info->flags); |
3028 |
if (ldt_info.entry_number == -1) { |
3029 |
for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
|
3030 |
if (gdt_table[i] == 0) { |
3031 |
ldt_info.entry_number = i; |
3032 |
target_ldt_info->entry_number = tswap32(i); |
3033 |
break;
|
3034 |
} |
3035 |
} |
3036 |
} |
3037 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
3038 |
|
3039 |
if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
|
3040 |
ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) |
3041 |
return -TARGET_EINVAL;
|
3042 |
seg_32bit = ldt_info.flags & 1;
|
3043 |
contents = (ldt_info.flags >> 1) & 3; |
3044 |
read_exec_only = (ldt_info.flags >> 3) & 1; |
3045 |
limit_in_pages = (ldt_info.flags >> 4) & 1; |
3046 |
seg_not_present = (ldt_info.flags >> 5) & 1; |
3047 |
useable = (ldt_info.flags >> 6) & 1; |
3048 |
#ifdef TARGET_ABI32
|
3049 |
lm = 0;
|
3050 |
#else
|
3051 |
lm = (ldt_info.flags >> 7) & 1; |
3052 |
#endif
|
3053 |
|
3054 |
if (contents == 3) { |
3055 |
if (seg_not_present == 0) |
3056 |
return -TARGET_EINVAL;
|
3057 |
} |
3058 |
|
3059 |
/* NOTE: same code as Linux kernel */
|
3060 |
/* Allow LDTs to be cleared by the user. */
|
3061 |
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
3062 |
if ((contents == 0 && |
3063 |
read_exec_only == 1 &&
|
3064 |
seg_32bit == 0 &&
|
3065 |
limit_in_pages == 0 &&
|
3066 |
seg_not_present == 1 &&
|
3067 |
useable == 0 )) {
|
3068 |
entry_1 = 0;
|
3069 |
entry_2 = 0;
|
3070 |
goto install;
|
3071 |
} |
3072 |
} |
3073 |
|
3074 |
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
3075 |
(ldt_info.limit & 0x0ffff);
|
3076 |
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
3077 |
((ldt_info.base_addr & 0x00ff0000) >> 16) | |
3078 |
(ldt_info.limit & 0xf0000) |
|
3079 |
((read_exec_only ^ 1) << 9) | |
3080 |
(contents << 10) |
|
3081 |
((seg_not_present ^ 1) << 15) | |
3082 |
(seg_32bit << 22) |
|
3083 |
(limit_in_pages << 23) |
|
3084 |
(useable << 20) |
|
3085 |
(lm << 21) |
|
3086 |
0x7000;
|
3087 |
|
3088 |
/* Install the new entry ... */
|
3089 |
install:
|
3090 |
lp = (uint32_t *)(gdt_table + ldt_info.entry_number); |
3091 |
lp[0] = tswap32(entry_1);
|
3092 |
lp[1] = tswap32(entry_2);
|
3093 |
return 0; |
3094 |
} |
3095 |
|
3096 |
static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
|
3097 |
{ |
3098 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
3099 |
uint64_t *gdt_table = g2h(env->gdt.base); |
3100 |
uint32_t base_addr, limit, flags; |
3101 |
int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
|
3102 |
int seg_not_present, useable, lm;
|
3103 |
uint32_t *lp, entry_1, entry_2; |
3104 |
|
3105 |
lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
|
3106 |
if (!target_ldt_info)
|
3107 |
return -TARGET_EFAULT;
|
3108 |
idx = tswap32(target_ldt_info->entry_number); |
3109 |
if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
|
3110 |
idx > TARGET_GDT_ENTRY_TLS_MAX) { |
3111 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
3112 |
return -TARGET_EINVAL;
|
3113 |
} |
3114 |
lp = (uint32_t *)(gdt_table + idx); |
3115 |
entry_1 = tswap32(lp[0]);
|
3116 |
entry_2 = tswap32(lp[1]);
|
3117 |
|
3118 |
read_exec_only = ((entry_2 >> 9) & 1) ^ 1; |
3119 |
contents = (entry_2 >> 10) & 3; |
3120 |
seg_not_present = ((entry_2 >> 15) & 1) ^ 1; |
3121 |
seg_32bit = (entry_2 >> 22) & 1; |
3122 |
limit_in_pages = (entry_2 >> 23) & 1; |
3123 |
useable = (entry_2 >> 20) & 1; |
3124 |
#ifdef TARGET_ABI32
|
3125 |
lm = 0;
|
3126 |
#else
|
3127 |
lm = (entry_2 >> 21) & 1; |
3128 |
#endif
|
3129 |
flags = (seg_32bit << 0) | (contents << 1) | |
3130 |
(read_exec_only << 3) | (limit_in_pages << 4) | |
3131 |
(seg_not_present << 5) | (useable << 6) | (lm << 7); |
3132 |
limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); |
3133 |
base_addr = (entry_1 >> 16) |
|
3134 |
(entry_2 & 0xff000000) |
|
3135 |
((entry_2 & 0xff) << 16); |
3136 |
target_ldt_info->base_addr = tswapl(base_addr); |
3137 |
target_ldt_info->limit = tswap32(limit); |
3138 |
target_ldt_info->flags = tswap32(flags); |
3139 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
3140 |
return 0; |
3141 |
} |
3142 |
#endif /* TARGET_I386 && TARGET_ABI32 */ |
3143 |
|
3144 |
#ifndef TARGET_ABI32
|
3145 |
static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
3146 |
{ |
3147 |
abi_long ret; |
3148 |
abi_ulong val; |
3149 |
int idx;
|
3150 |
|
3151 |
switch(code) {
|
3152 |
case TARGET_ARCH_SET_GS:
|
3153 |
case TARGET_ARCH_SET_FS:
|
3154 |
if (code == TARGET_ARCH_SET_GS)
|
3155 |
idx = R_GS; |
3156 |
else
|
3157 |
idx = R_FS; |
3158 |
cpu_x86_load_seg(env, idx, 0);
|
3159 |
env->segs[idx].base = addr; |
3160 |
break;
|
3161 |
case TARGET_ARCH_GET_GS:
|
3162 |
case TARGET_ARCH_GET_FS:
|
3163 |
if (code == TARGET_ARCH_GET_GS)
|
3164 |
idx = R_GS; |
3165 |
else
|
3166 |
idx = R_FS; |
3167 |
val = env->segs[idx].base; |
3168 |
if (put_user(val, addr, abi_ulong))
|
3169 |
return -TARGET_EFAULT;
|
3170 |
break;
|
3171 |
default:
|
3172 |
ret = -TARGET_EINVAL; |
3173 |
break;
|
3174 |
} |
3175 |
return 0; |
3176 |
} |
3177 |
#endif
|
3178 |
|
3179 |
#endif /* defined(TARGET_I386) */ |
3180 |
|
3181 |
#if defined(USE_NPTL)
|
3182 |
|
3183 |
#define NEW_STACK_SIZE PTHREAD_STACK_MIN
|
3184 |
|
3185 |
static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
|
3186 |
typedef struct { |
3187 |
CPUState *env; |
3188 |
pthread_mutex_t mutex; |
3189 |
pthread_cond_t cond; |
3190 |
pthread_t thread; |
3191 |
uint32_t tid; |
3192 |
abi_ulong child_tidptr; |
3193 |
abi_ulong parent_tidptr; |
3194 |
sigset_t sigmask; |
3195 |
} new_thread_info; |
3196 |
|
3197 |
static void *clone_func(void *arg) |
3198 |
{ |
3199 |
new_thread_info *info = arg; |
3200 |
CPUState *env; |
3201 |
|
3202 |
env = info->env; |
3203 |
thread_env = env; |
3204 |
info->tid = gettid(); |
3205 |
if (info->child_tidptr)
|
3206 |
put_user_u32(info->tid, info->child_tidptr); |
3207 |
if (info->parent_tidptr)
|
3208 |
put_user_u32(info->tid, info->parent_tidptr); |
3209 |
/* Enable signals. */
|
3210 |
sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
|
3211 |
/* Signal to the parent that we're ready. */
|
3212 |
pthread_mutex_lock(&info->mutex); |
3213 |
pthread_cond_broadcast(&info->cond); |
3214 |
pthread_mutex_unlock(&info->mutex); |
3215 |
/* Wait until the parent has finshed initializing the tls state. */
|
3216 |
pthread_mutex_lock(&clone_lock); |
3217 |
pthread_mutex_unlock(&clone_lock); |
3218 |
cpu_loop(env); |
3219 |
/* never exits */
|
3220 |
return NULL; |
3221 |
} |
3222 |
#else
|
3223 |
/* this stack is the equivalent of the kernel stack associated with a
|
3224 |
thread/process */
|
3225 |
#define NEW_STACK_SIZE 8192 |
3226 |
|
3227 |
static int clone_func(void *arg) |
3228 |
{ |
3229 |
CPUState *env = arg; |
3230 |
cpu_loop(env); |
3231 |
/* never exits */
|
3232 |
return 0; |
3233 |
} |
3234 |
#endif
|
3235 |
|
3236 |
/* do_fork() Must return host values and target errnos (unlike most
|
3237 |
do_*() functions). */
|
3238 |
static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp, |
3239 |
abi_ulong parent_tidptr, target_ulong newtls, |
3240 |
abi_ulong child_tidptr) |
3241 |
{ |
3242 |
int ret;
|
3243 |
TaskState *ts; |
3244 |
uint8_t *new_stack; |
3245 |
CPUState *new_env; |
3246 |
#if defined(USE_NPTL)
|
3247 |
unsigned int nptl_flags; |
3248 |
sigset_t sigmask; |
3249 |
#endif
|
3250 |
|
3251 |
/* Emulate vfork() with fork() */
|
3252 |
if (flags & CLONE_VFORK)
|
3253 |
flags &= ~(CLONE_VFORK | CLONE_VM); |
3254 |
|
3255 |
if (flags & CLONE_VM) {
|
3256 |
#if defined(USE_NPTL)
|
3257 |
new_thread_info info; |
3258 |
pthread_attr_t attr; |
3259 |
#endif
|
3260 |
ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
|
3261 |
init_task_state(ts); |
3262 |
new_stack = ts->stack; |
3263 |
/* we create a new CPU instance. */
|
3264 |
new_env = cpu_copy(env); |
3265 |
/* Init regs that differ from the parent. */
|
3266 |
cpu_clone_regs(new_env, newsp); |
3267 |
new_env->opaque = ts; |
3268 |
#if defined(USE_NPTL)
|
3269 |
nptl_flags = flags; |
3270 |
flags &= ~CLONE_NPTL_FLAGS2; |
3271 |
|
3272 |
if (nptl_flags & CLONE_CHILD_CLEARTID) {
|
3273 |
ts->child_tidptr = child_tidptr; |
3274 |
} |
3275 |
|
3276 |
if (nptl_flags & CLONE_SETTLS)
|
3277 |
cpu_set_tls (new_env, newtls); |
3278 |
|
3279 |
/* Grab a mutex so that thread setup appears atomic. */
|
3280 |
pthread_mutex_lock(&clone_lock); |
3281 |
|
3282 |
memset(&info, 0, sizeof(info)); |
3283 |
pthread_mutex_init(&info.mutex, NULL);
|
3284 |
pthread_mutex_lock(&info.mutex); |
3285 |
pthread_cond_init(&info.cond, NULL);
|
3286 |
info.env = new_env; |
3287 |
if (nptl_flags & CLONE_CHILD_SETTID)
|
3288 |
info.child_tidptr = child_tidptr; |
3289 |
if (nptl_flags & CLONE_PARENT_SETTID)
|
3290 |
info.parent_tidptr = parent_tidptr; |
3291 |
|
3292 |
ret = pthread_attr_init(&attr); |
3293 |
ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE); |
3294 |
/* It is not safe to deliver signals until the child has finished
|
3295 |
initializing, so temporarily block all signals. */
|
3296 |
sigfillset(&sigmask); |
3297 |
sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); |
3298 |
|
3299 |
ret = pthread_create(&info.thread, &attr, clone_func, &info); |
3300 |
/* TODO: Free new CPU state if thread creation failed. */
|
3301 |
|
3302 |
sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
|
3303 |
pthread_attr_destroy(&attr); |
3304 |
if (ret == 0) { |
3305 |
/* Wait for the child to initialize. */
|
3306 |
pthread_cond_wait(&info.cond, &info.mutex); |
3307 |
ret = info.tid; |
3308 |
if (flags & CLONE_PARENT_SETTID)
|
3309 |
put_user_u32(ret, parent_tidptr); |
3310 |
} else {
|
3311 |
ret = -1;
|
3312 |
} |
3313 |
pthread_mutex_unlock(&info.mutex); |
3314 |
pthread_cond_destroy(&info.cond); |
3315 |
pthread_mutex_destroy(&info.mutex); |
3316 |
pthread_mutex_unlock(&clone_lock); |
3317 |
#else
|
3318 |
if (flags & CLONE_NPTL_FLAGS2)
|
3319 |
return -EINVAL;
|
3320 |
/* This is probably going to die very quickly, but do it anyway. */
|
3321 |
#ifdef __ia64__
|
3322 |
ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); |
3323 |
#else
|
3324 |
ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); |
3325 |
#endif
|
3326 |
#endif
|
3327 |
} else {
|
3328 |
/* if no CLONE_VM, we consider it is a fork */
|
3329 |
if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) |
3330 |
return -EINVAL;
|
3331 |
fork_start(); |
3332 |
ret = fork(); |
3333 |
if (ret == 0) { |
3334 |
/* Child Process. */
|
3335 |
cpu_clone_regs(env, newsp); |
3336 |
fork_end(1);
|
3337 |
#if defined(USE_NPTL)
|
3338 |
/* There is a race condition here. The parent process could
|
3339 |
theoretically read the TID in the child process before the child
|
3340 |
tid is set. This would require using either ptrace
|
3341 |
(not implemented) or having *_tidptr to point at a shared memory
|
3342 |
mapping. We can't repeat the spinlock hack used above because
|
3343 |
the child process gets its own copy of the lock. */
|
3344 |
if (flags & CLONE_CHILD_SETTID)
|
3345 |
put_user_u32(gettid(), child_tidptr); |
3346 |
if (flags & CLONE_PARENT_SETTID)
|
3347 |
put_user_u32(gettid(), parent_tidptr); |
3348 |
ts = (TaskState *)env->opaque; |
3349 |
if (flags & CLONE_SETTLS)
|
3350 |
cpu_set_tls (env, newtls); |
3351 |
if (flags & CLONE_CHILD_CLEARTID)
|
3352 |
ts->child_tidptr = child_tidptr; |
3353 |
#endif
|
3354 |
} else {
|
3355 |
fork_end(0);
|
3356 |
} |
3357 |
} |
3358 |
return ret;
|
3359 |
} |
3360 |
|
3361 |
static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) |
3362 |
{ |
3363 |
struct flock fl;
|
3364 |
struct target_flock *target_fl;
|
3365 |
struct flock64 fl64;
|
3366 |
struct target_flock64 *target_fl64;
|
3367 |
abi_long ret; |
3368 |
|
3369 |
switch(cmd) {
|
3370 |
case TARGET_F_GETLK:
|
3371 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
3372 |
return -TARGET_EFAULT;
|
3373 |
fl.l_type = tswap16(target_fl->l_type); |
3374 |
fl.l_whence = tswap16(target_fl->l_whence); |
3375 |
fl.l_start = tswapl(target_fl->l_start); |
3376 |
fl.l_len = tswapl(target_fl->l_len); |
3377 |
fl.l_pid = tswapl(target_fl->l_pid); |
3378 |
unlock_user_struct(target_fl, arg, 0);
|
3379 |
ret = get_errno(fcntl(fd, cmd, &fl)); |
3380 |
if (ret == 0) { |
3381 |
if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) |
3382 |
return -TARGET_EFAULT;
|
3383 |
target_fl->l_type = tswap16(fl.l_type); |
3384 |
target_fl->l_whence = tswap16(fl.l_whence); |
3385 |
target_fl->l_start = tswapl(fl.l_start); |
3386 |
target_fl->l_len = tswapl(fl.l_len); |
3387 |
target_fl->l_pid = tswapl(fl.l_pid); |
3388 |
unlock_user_struct(target_fl, arg, 1);
|
3389 |
} |
3390 |
break;
|
3391 |
|
3392 |
case TARGET_F_SETLK:
|
3393 |
case TARGET_F_SETLKW:
|
3394 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
3395 |
return -TARGET_EFAULT;
|
3396 |
fl.l_type = tswap16(target_fl->l_type); |
3397 |
fl.l_whence = tswap16(target_fl->l_whence); |
3398 |
fl.l_start = tswapl(target_fl->l_start); |
3399 |
fl.l_len = tswapl(target_fl->l_len); |
3400 |
fl.l_pid = tswapl(target_fl->l_pid); |
3401 |
unlock_user_struct(target_fl, arg, 0);
|
3402 |
ret = get_errno(fcntl(fd, cmd, &fl)); |
3403 |
break;
|
3404 |
|
3405 |
case TARGET_F_GETLK64:
|
3406 |
if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
3407 |
return -TARGET_EFAULT;
|
3408 |
fl64.l_type = tswap16(target_fl64->l_type) >> 1;
|
3409 |
fl64.l_whence = tswap16(target_fl64->l_whence); |
3410 |
fl64.l_start = tswapl(target_fl64->l_start); |
3411 |
fl64.l_len = tswapl(target_fl64->l_len); |
3412 |
fl64.l_pid = tswap16(target_fl64->l_pid); |
3413 |
unlock_user_struct(target_fl64, arg, 0);
|
3414 |
ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
|
3415 |
if (ret == 0) { |
3416 |
if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) |
3417 |
return -TARGET_EFAULT;
|
3418 |
target_fl64->l_type = tswap16(fl64.l_type) >> 1;
|
3419 |
target_fl64->l_whence = tswap16(fl64.l_whence); |
3420 |
target_fl64->l_start = tswapl(fl64.l_start); |
3421 |
target_fl64->l_len = tswapl(fl64.l_len); |
3422 |
target_fl64->l_pid = tswapl(fl64.l_pid); |
3423 |
unlock_user_struct(target_fl64, arg, 1);
|
3424 |
} |
3425 |
break;
|
3426 |
case TARGET_F_SETLK64:
|
3427 |
case TARGET_F_SETLKW64:
|
3428 |
if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
3429 |
return -TARGET_EFAULT;
|
3430 |
fl64.l_type = tswap16(target_fl64->l_type) >> 1;
|
3431 |
fl64.l_whence = tswap16(target_fl64->l_whence); |
3432 |
fl64.l_start = tswapl(target_fl64->l_start); |
3433 |
fl64.l_len = tswapl(target_fl64->l_len); |
3434 |
fl64.l_pid = tswap16(target_fl64->l_pid); |
3435 |
unlock_user_struct(target_fl64, arg, 0);
|
3436 |
ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
|
3437 |
break;
|
3438 |
|
3439 |
case F_GETFL:
|
3440 |
ret = get_errno(fcntl(fd, cmd, arg)); |
3441 |
if (ret >= 0) { |
3442 |
ret = host_to_target_bitmask(ret, fcntl_flags_tbl); |
3443 |
} |
3444 |
break;
|
3445 |
|
3446 |
case F_SETFL:
|
3447 |
ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); |
3448 |
break;
|
3449 |
|
3450 |
default:
|
3451 |
ret = get_errno(fcntl(fd, cmd, arg)); |
3452 |
break;
|
3453 |
} |
3454 |
return ret;
|
3455 |
} |
3456 |
|
3457 |
#ifdef USE_UID16
|
3458 |
|
3459 |
static inline int high2lowuid(int uid) |
3460 |
{ |
3461 |
if (uid > 65535) |
3462 |
return 65534; |
3463 |
else
|
3464 |
return uid;
|
3465 |
} |
3466 |
|
3467 |
static inline int high2lowgid(int gid) |
3468 |
{ |
3469 |
if (gid > 65535) |
3470 |
return 65534; |
3471 |
else
|
3472 |
return gid;
|
3473 |
} |
3474 |
|
3475 |
static inline int low2highuid(int uid) |
3476 |
{ |
3477 |
if ((int16_t)uid == -1) |
3478 |
return -1; |
3479 |
else
|
3480 |
return uid;
|
3481 |
} |
3482 |
|
3483 |
static inline int low2highgid(int gid) |
3484 |
{ |
3485 |
if ((int16_t)gid == -1) |
3486 |
return -1; |
3487 |
else
|
3488 |
return gid;
|
3489 |
} |
3490 |
|
3491 |
#endif /* USE_UID16 */ |
3492 |
|
3493 |
void syscall_init(void) |
3494 |
{ |
3495 |
IOCTLEntry *ie; |
3496 |
const argtype *arg_type;
|
3497 |
int size;
|
3498 |
int i;
|
3499 |
|
3500 |
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
3501 |
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
3502 |
#include "syscall_types.h" |
3503 |
#undef STRUCT
|
3504 |
#undef STRUCT_SPECIAL
|
3505 |
|
3506 |
/* we patch the ioctl size if necessary. We rely on the fact that
|
3507 |
no ioctl has all the bits at '1' in the size field */
|
3508 |
ie = ioctl_entries; |
3509 |
while (ie->target_cmd != 0) { |
3510 |
if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
|
3511 |
TARGET_IOC_SIZEMASK) { |
3512 |
arg_type = ie->arg_type; |
3513 |
if (arg_type[0] != TYPE_PTR) { |
3514 |
fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
|
3515 |
ie->target_cmd); |
3516 |
exit(1);
|
3517 |
} |
3518 |
arg_type++; |
3519 |
size = thunk_type_size(arg_type, 0);
|
3520 |
ie->target_cmd = (ie->target_cmd & |
3521 |
~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
3522 |
(size << TARGET_IOC_SIZESHIFT); |
3523 |
} |
3524 |
|
3525 |
/* Build target_to_host_errno_table[] table from
|
3526 |
* host_to_target_errno_table[]. */
|
3527 |
for (i=0; i < ERRNO_TABLE_SIZE; i++) |
3528 |
target_to_host_errno_table[host_to_target_errno_table[i]] = i; |
3529 |
|
3530 |
/* automatic consistency check if same arch */
|
3531 |
#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
|
3532 |
(defined(__x86_64__) && defined(TARGET_X86_64)) |
3533 |
if (unlikely(ie->target_cmd != ie->host_cmd)) {
|
3534 |
fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
|
3535 |
ie->name, ie->target_cmd, ie->host_cmd); |
3536 |
} |
3537 |
#endif
|
3538 |
ie++; |
3539 |
} |
3540 |
} |
3541 |
|
3542 |
#if TARGET_ABI_BITS == 32 |
3543 |
static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
3544 |
{ |
3545 |
#ifdef TARGET_WORDS_BIGENDIAN
|
3546 |
return ((uint64_t)word0 << 32) | word1; |
3547 |
#else
|
3548 |
return ((uint64_t)word1 << 32) | word0; |
3549 |
#endif
|
3550 |
} |
3551 |
#else /* TARGET_ABI_BITS == 32 */ |
3552 |
static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
3553 |
{ |
3554 |
return word0;
|
3555 |
} |
3556 |
#endif /* TARGET_ABI_BITS != 32 */ |
3557 |
|
3558 |
#ifdef TARGET_NR_truncate64
|
3559 |
static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
3560 |
abi_long arg2, |
3561 |
abi_long arg3, |
3562 |
abi_long arg4) |
3563 |
{ |
3564 |
#ifdef TARGET_ARM
|
3565 |
if (((CPUARMState *)cpu_env)->eabi)
|
3566 |
{ |
3567 |
arg2 = arg3; |
3568 |
arg3 = arg4; |
3569 |
} |
3570 |
#endif
|
3571 |
return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
|
3572 |
} |
3573 |
#endif
|
3574 |
|
3575 |
#ifdef TARGET_NR_ftruncate64
|
3576 |
static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
3577 |
abi_long arg2, |
3578 |
abi_long arg3, |
3579 |
abi_long arg4) |
3580 |
{ |
3581 |
#ifdef TARGET_ARM
|
3582 |
if (((CPUARMState *)cpu_env)->eabi)
|
3583 |
{ |
3584 |
arg2 = arg3; |
3585 |
arg3 = arg4; |
3586 |
} |
3587 |
#endif
|
3588 |
return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
|
3589 |
} |
3590 |
#endif
|
3591 |
|
3592 |
static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
3593 |
abi_ulong target_addr) |
3594 |
{ |
3595 |
struct target_timespec *target_ts;
|
3596 |
|
3597 |
if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
3598 |
return -TARGET_EFAULT;
|
3599 |
host_ts->tv_sec = tswapl(target_ts->tv_sec); |
3600 |
host_ts->tv_nsec = tswapl(target_ts->tv_nsec); |
3601 |
unlock_user_struct(target_ts, target_addr, 0);
|
3602 |
return 0; |
3603 |
} |
3604 |
|
3605 |
static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
3606 |
struct timespec *host_ts)
|
3607 |
{ |
3608 |
struct target_timespec *target_ts;
|
3609 |
|
3610 |
if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
3611 |
return -TARGET_EFAULT;
|
3612 |
target_ts->tv_sec = tswapl(host_ts->tv_sec); |
3613 |
target_ts->tv_nsec = tswapl(host_ts->tv_nsec); |
3614 |
unlock_user_struct(target_ts, target_addr, 1);
|
3615 |
return 0; |
3616 |
} |
3617 |
|
3618 |
#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
|
3619 |
static inline abi_long host_to_target_stat64(void *cpu_env, |
3620 |
abi_ulong target_addr, |
3621 |
struct stat *host_st)
|
3622 |
{ |
3623 |
#ifdef TARGET_ARM
|
3624 |
if (((CPUARMState *)cpu_env)->eabi) {
|
3625 |
struct target_eabi_stat64 *target_st;
|
3626 |
|
3627 |
if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) |
3628 |
return -TARGET_EFAULT;
|
3629 |
memset(target_st, 0, sizeof(struct target_eabi_stat64)); |
3630 |
__put_user(host_st->st_dev, &target_st->st_dev); |
3631 |
__put_user(host_st->st_ino, &target_st->st_ino); |
3632 |
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
3633 |
__put_user(host_st->st_ino, &target_st->__st_ino); |
3634 |
#endif
|
3635 |
__put_user(host_st->st_mode, &target_st->st_mode); |
3636 |
__put_user(host_st->st_nlink, &target_st->st_nlink); |
3637 |
__put_user(host_st->st_uid, &target_st->st_uid); |
3638 |
__put_user(host_st->st_gid, &target_st->st_gid); |
3639 |
__put_user(host_st->st_rdev, &target_st->st_rdev); |
3640 |
__put_user(host_st->st_size, &target_st->st_size); |
3641 |
__put_user(host_st->st_blksize, &target_st->st_blksize); |
3642 |
__put_user(host_st->st_blocks, &target_st->st_blocks); |
3643 |
__put_user(host_st->st_atime, &target_st->target_st_atime); |
3644 |
__put_user(host_st->st_mtime, &target_st->target_st_mtime); |
3645 |
__put_user(host_st->st_ctime, &target_st->target_st_ctime); |
3646 |
unlock_user_struct(target_st, target_addr, 1);
|
3647 |
} else
|
3648 |
#endif
|
3649 |
{ |
3650 |
#if TARGET_LONG_BITS == 64 |
3651 |
struct target_stat *target_st;
|
3652 |
#else
|
3653 |
struct target_stat64 *target_st;
|
3654 |
#endif
|
3655 |
|
3656 |
if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) |
3657 |
return -TARGET_EFAULT;
|
3658 |
memset(target_st, 0, sizeof(*target_st)); |
3659 |
__put_user(host_st->st_dev, &target_st->st_dev); |
3660 |
__put_user(host_st->st_ino, &target_st->st_ino); |
3661 |
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
3662 |
__put_user(host_st->st_ino, &target_st->__st_ino); |
3663 |
#endif
|
3664 |
__put_user(host_st->st_mode, &target_st->st_mode); |
3665 |
__put_user(host_st->st_nlink, &target_st->st_nlink); |
3666 |
__put_user(host_st->st_uid, &target_st->st_uid); |
3667 |
__put_user(host_st->st_gid, &target_st->st_gid); |
3668 |
__put_user(host_st->st_rdev, &target_st->st_rdev); |
3669 |
/* XXX: better use of kernel struct */
|
3670 |
__put_user(host_st->st_size, &target_st->st_size); |
3671 |
__put_user(host_st->st_blksize, &target_st->st_blksize); |
3672 |
__put_user(host_st->st_blocks, &target_st->st_blocks); |
3673 |
__put_user(host_st->st_atime, &target_st->target_st_atime); |
3674 |
__put_user(host_st->st_mtime, &target_st->target_st_mtime); |
3675 |
__put_user(host_st->st_ctime, &target_st->target_st_ctime); |
3676 |
unlock_user_struct(target_st, target_addr, 1);
|
3677 |
} |
3678 |
|
3679 |
return 0; |
3680 |
} |
3681 |
#endif
|
3682 |
|
3683 |
#if defined(USE_NPTL)
|
3684 |
/* ??? Using host futex calls even when target atomic operations
|
3685 |
are not really atomic probably breaks things. However implementing
|
3686 |
futexes locally would make futexes shared between multiple processes
|
3687 |
tricky. However they're probably useless because guest atomic
|
3688 |
operations won't work either. */
|
3689 |
static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
3690 |
target_ulong uaddr2, int val3)
|
3691 |
{ |
3692 |
struct timespec ts, *pts;
|
3693 |
|
3694 |
/* ??? We assume FUTEX_* constants are the same on both host
|
3695 |
and target. */
|
3696 |
switch (op) {
|
3697 |
case FUTEX_WAIT:
|
3698 |
if (timeout) {
|
3699 |
pts = &ts; |
3700 |
target_to_host_timespec(pts, timeout); |
3701 |
} else {
|
3702 |
pts = NULL;
|
3703 |
} |
3704 |
return get_errno(sys_futex(g2h(uaddr), FUTEX_WAIT, tswap32(val),
|
3705 |
pts, NULL, 0)); |
3706 |
case FUTEX_WAKE:
|
3707 |
return get_errno(sys_futex(g2h(uaddr), FUTEX_WAKE, val, NULL, NULL, 0)); |
3708 |
case FUTEX_FD:
|
3709 |
return get_errno(sys_futex(g2h(uaddr), FUTEX_FD, val, NULL, NULL, 0)); |
3710 |
case FUTEX_REQUEUE:
|
3711 |
return get_errno(sys_futex(g2h(uaddr), FUTEX_REQUEUE, val,
|
3712 |
NULL, g2h(uaddr2), 0)); |
3713 |
case FUTEX_CMP_REQUEUE:
|
3714 |
return get_errno(sys_futex(g2h(uaddr), FUTEX_CMP_REQUEUE, val,
|
3715 |
NULL, g2h(uaddr2), tswap32(val3)));
|
3716 |
default:
|
3717 |
return -TARGET_ENOSYS;
|
3718 |
} |
3719 |
} |
3720 |
#endif
|
3721 |
|
3722 |
/* Map host to target signal numbers for the wait family of syscalls.
|
3723 |
Assume all other status bits are the same. */
|
3724 |
static int host_to_target_waitstatus(int status) |
3725 |
{ |
3726 |
if (WIFSIGNALED(status)) {
|
3727 |
return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); |
3728 |
} |
3729 |
if (WIFSTOPPED(status)) {
|
3730 |
return (host_to_target_signal(WSTOPSIG(status)) << 8) |
3731 |
| (status & 0xff);
|
3732 |
} |
3733 |
return status;
|
3734 |
} |
3735 |
|
3736 |
int get_osversion(void) |
3737 |
{ |
3738 |
static int osversion; |
3739 |
struct new_utsname buf;
|
3740 |
const char *s; |
3741 |
int i, n, tmp;
|
3742 |
if (osversion)
|
3743 |
return osversion;
|
3744 |
if (qemu_uname_release && *qemu_uname_release) {
|
3745 |
s = qemu_uname_release; |
3746 |
} else {
|
3747 |
if (sys_uname(&buf))
|
3748 |
return 0; |
3749 |
s = buf.release; |
3750 |
} |
3751 |
tmp = 0;
|
3752 |
for (i = 0; i < 3; i++) { |
3753 |
n = 0;
|
3754 |
while (*s >= '0' && *s <= '9') { |
3755 |
n *= 10;
|
3756 |
n += *s - '0';
|
3757 |
s++; |
3758 |
} |
3759 |
tmp = (tmp << 8) + n;
|
3760 |
if (*s == '.') |
3761 |
s++; |
3762 |
} |
3763 |
osversion = tmp; |
3764 |
return osversion;
|
3765 |
} |
3766 |
|
3767 |
/* do_syscall() should always have a single exit point at the end so
|
3768 |
that actions, such as logging of syscall results, can be performed.
|
3769 |
All errnos that do_syscall() returns must be -TARGET_<errcode>. */
|
3770 |
abi_long do_syscall(void *cpu_env, int num, abi_long arg1, |
3771 |
abi_long arg2, abi_long arg3, abi_long arg4, |
3772 |
abi_long arg5, abi_long arg6) |
3773 |
{ |
3774 |
abi_long ret; |
3775 |
struct stat st;
|
3776 |
struct statfs stfs;
|
3777 |
void *p;
|
3778 |
|
3779 |
#ifdef DEBUG
|
3780 |
gemu_log("syscall %d", num);
|
3781 |
#endif
|
3782 |
if(do_strace)
|
3783 |
print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); |
3784 |
|
3785 |
switch(num) {
|
3786 |
case TARGET_NR_exit:
|
3787 |
#ifdef USE_NPTL
|
3788 |
/* In old applications this may be used to implement _exit(2).
|
3789 |
However in threaded applictions it is used for thread termination,
|
3790 |
and _exit_group is used for application termination.
|
3791 |
Do thread termination if we have more then one thread. */
|
3792 |
/* FIXME: This probably breaks if a signal arrives. We should probably
|
3793 |
be disabling signals. */
|
3794 |
if (first_cpu->next_cpu) {
|
3795 |
CPUState **lastp; |
3796 |
CPUState *p; |
3797 |
|
3798 |
cpu_list_lock(); |
3799 |
lastp = &first_cpu; |
3800 |
p = first_cpu; |
3801 |
while (p && p != (CPUState *)cpu_env) {
|
3802 |
lastp = &p->next_cpu; |
3803 |
p = p->next_cpu; |
3804 |
} |
3805 |
/* If we didn't find the CPU for this thread then something is
|
3806 |
horribly wrong. */
|
3807 |
if (!p)
|
3808 |
abort(); |
3809 |
/* Remove the CPU from the list. */
|
3810 |
*lastp = p->next_cpu; |
3811 |
cpu_list_unlock(); |
3812 |
TaskState *ts = ((CPUState *)cpu_env)->opaque; |
3813 |
if (ts->child_tidptr) {
|
3814 |
put_user_u32(0, ts->child_tidptr);
|
3815 |
sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, |
3816 |
NULL, NULL, 0); |
3817 |
} |
3818 |
/* TODO: Free CPU state. */
|
3819 |
pthread_exit(NULL);
|
3820 |
} |
3821 |
#endif
|
3822 |
#ifdef HAVE_GPROF
|
3823 |
_mcleanup(); |
3824 |
#endif
|
3825 |
gdb_exit(cpu_env, arg1); |
3826 |
_exit(arg1); |
3827 |
ret = 0; /* avoid warning */ |
3828 |
break;
|
3829 |
case TARGET_NR_read:
|
3830 |
if (arg3 == 0) |
3831 |
ret = 0;
|
3832 |
else {
|
3833 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
3834 |
goto efault;
|
3835 |
ret = get_errno(read(arg1, p, arg3)); |
3836 |
unlock_user(p, arg2, ret); |
3837 |
} |
3838 |
break;
|
3839 |
case TARGET_NR_write:
|
3840 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
3841 |
goto efault;
|
3842 |
ret = get_errno(write(arg1, p, arg3)); |
3843 |
unlock_user(p, arg2, 0);
|
3844 |
break;
|
3845 |
case TARGET_NR_open:
|
3846 |
if (!(p = lock_user_string(arg1)))
|
3847 |
goto efault;
|
3848 |
ret = get_errno(open(path(p), |
3849 |
target_to_host_bitmask(arg2, fcntl_flags_tbl), |
3850 |
arg3)); |
3851 |
unlock_user(p, arg1, 0);
|
3852 |
break;
|
3853 |
#if defined(TARGET_NR_openat) && defined(__NR_openat)
|
3854 |
case TARGET_NR_openat:
|
3855 |
if (!(p = lock_user_string(arg2)))
|
3856 |
goto efault;
|
3857 |
ret = get_errno(sys_openat(arg1, |
3858 |
path(p), |
3859 |
target_to_host_bitmask(arg3, fcntl_flags_tbl), |
3860 |
arg4)); |
3861 |
unlock_user(p, arg2, 0);
|
3862 |
break;
|
3863 |
#endif
|
3864 |
case TARGET_NR_close:
|
3865 |
ret = get_errno(close(arg1)); |
3866 |
break;
|
3867 |
case TARGET_NR_brk:
|
3868 |
ret = do_brk(arg1); |
3869 |
break;
|
3870 |
case TARGET_NR_fork:
|
3871 |
ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0)); |
3872 |
break;
|
3873 |
#ifdef TARGET_NR_waitpid
|
3874 |
case TARGET_NR_waitpid:
|
3875 |
{ |
3876 |
int status;
|
3877 |
ret = get_errno(waitpid(arg1, &status, arg3)); |
3878 |
if (!is_error(ret) && arg2
|
3879 |
&& put_user_s32(host_to_target_waitstatus(status), arg2)) |
3880 |
goto efault;
|
3881 |
} |
3882 |
break;
|
3883 |
#endif
|
3884 |
#ifdef TARGET_NR_waitid
|
3885 |
case TARGET_NR_waitid:
|
3886 |
{ |
3887 |
siginfo_t info; |
3888 |
info.si_pid = 0;
|
3889 |
ret = get_errno(waitid(arg1, arg2, &info, arg4)); |
3890 |
if (!is_error(ret) && arg3 && info.si_pid != 0) { |
3891 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
3892 |
goto efault;
|
3893 |
host_to_target_siginfo(p, &info); |
3894 |
unlock_user(p, arg3, sizeof(target_siginfo_t));
|
3895 |
} |
3896 |
} |
3897 |
break;
|
3898 |
#endif
|
3899 |
#ifdef TARGET_NR_creat /* not on alpha */ |
3900 |
case TARGET_NR_creat:
|
3901 |
if (!(p = lock_user_string(arg1)))
|
3902 |
goto efault;
|
3903 |
ret = get_errno(creat(p, arg2)); |
3904 |
unlock_user(p, arg1, 0);
|
3905 |
break;
|
3906 |
#endif
|
3907 |
case TARGET_NR_link:
|
3908 |
{ |
3909 |
void * p2;
|
3910 |
p = lock_user_string(arg1); |
3911 |
p2 = lock_user_string(arg2); |
3912 |
if (!p || !p2)
|
3913 |
ret = -TARGET_EFAULT; |
3914 |
else
|
3915 |
ret = get_errno(link(p, p2)); |
3916 |
unlock_user(p2, arg2, 0);
|
3917 |
unlock_user(p, arg1, 0);
|
3918 |
} |
3919 |
break;
|
3920 |
#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
|
3921 |
case TARGET_NR_linkat:
|
3922 |
{ |
3923 |
void * p2 = NULL; |
3924 |
if (!arg2 || !arg4)
|
3925 |
goto efault;
|
3926 |
p = lock_user_string(arg2); |
3927 |
p2 = lock_user_string(arg4); |
3928 |
if (!p || !p2)
|
3929 |
ret = -TARGET_EFAULT; |
3930 |
else
|
3931 |
ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5)); |
3932 |
unlock_user(p, arg2, 0);
|
3933 |
unlock_user(p2, arg4, 0);
|
3934 |
} |
3935 |
break;
|
3936 |
#endif
|
3937 |
case TARGET_NR_unlink:
|
3938 |
if (!(p = lock_user_string(arg1)))
|
3939 |
goto efault;
|
3940 |
ret = get_errno(unlink(p)); |
3941 |
unlock_user(p, arg1, 0);
|
3942 |
break;
|
3943 |
#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
|
3944 |
case TARGET_NR_unlinkat:
|
3945 |
if (!(p = lock_user_string(arg2)))
|
3946 |
goto efault;
|
3947 |
ret = get_errno(sys_unlinkat(arg1, p, arg3)); |
3948 |
unlock_user(p, arg2, 0);
|
3949 |
break;
|
3950 |
#endif
|
3951 |
case TARGET_NR_execve:
|
3952 |
{ |
3953 |
char **argp, **envp;
|
3954 |
int argc, envc;
|
3955 |
abi_ulong gp; |
3956 |
abi_ulong guest_argp; |
3957 |
abi_ulong guest_envp; |
3958 |
abi_ulong addr; |
3959 |
char **q;
|
3960 |
|
3961 |
argc = 0;
|
3962 |
guest_argp = arg2; |
3963 |
for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
3964 |
if (get_user_ual(addr, gp))
|
3965 |
goto efault;
|
3966 |
if (!addr)
|
3967 |
break;
|
3968 |
argc++; |
3969 |
} |
3970 |
envc = 0;
|
3971 |
guest_envp = arg3; |
3972 |
for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
3973 |
if (get_user_ual(addr, gp))
|
3974 |
goto efault;
|
3975 |
if (!addr)
|
3976 |
break;
|
3977 |
envc++; |
3978 |
} |
3979 |
|
3980 |
argp = alloca((argc + 1) * sizeof(void *)); |
3981 |
envp = alloca((envc + 1) * sizeof(void *)); |
3982 |
|
3983 |
for (gp = guest_argp, q = argp; gp;
|
3984 |
gp += sizeof(abi_ulong), q++) {
|
3985 |
if (get_user_ual(addr, gp))
|
3986 |
goto execve_efault;
|
3987 |
if (!addr)
|
3988 |
break;
|
3989 |
if (!(*q = lock_user_string(addr)))
|
3990 |
goto execve_efault;
|
3991 |
} |
3992 |
*q = NULL;
|
3993 |
|
3994 |
for (gp = guest_envp, q = envp; gp;
|
3995 |
gp += sizeof(abi_ulong), q++) {
|
3996 |
if (get_user_ual(addr, gp))
|
3997 |
goto execve_efault;
|
3998 |
if (!addr)
|
3999 |
break;
|
4000 |
if (!(*q = lock_user_string(addr)))
|
4001 |
goto execve_efault;
|
4002 |
} |
4003 |
*q = NULL;
|
4004 |
|
4005 |
if (!(p = lock_user_string(arg1)))
|
4006 |
goto execve_efault;
|
4007 |
ret = get_errno(execve(p, argp, envp)); |
4008 |
unlock_user(p, arg1, 0);
|
4009 |
|
4010 |
goto execve_end;
|
4011 |
|
4012 |
execve_efault:
|
4013 |
ret = -TARGET_EFAULT; |
4014 |
|
4015 |
execve_end:
|
4016 |
for (gp = guest_argp, q = argp; *q;
|
4017 |
gp += sizeof(abi_ulong), q++) {
|
4018 |
if (get_user_ual(addr, gp)
|
4019 |
|| !addr) |
4020 |
break;
|
4021 |
unlock_user(*q, addr, 0);
|
4022 |
} |
4023 |
for (gp = guest_envp, q = envp; *q;
|
4024 |
gp += sizeof(abi_ulong), q++) {
|
4025 |
if (get_user_ual(addr, gp)
|
4026 |
|| !addr) |
4027 |
break;
|
4028 |
unlock_user(*q, addr, 0);
|
4029 |
} |
4030 |
} |
4031 |
break;
|
4032 |
case TARGET_NR_chdir:
|
4033 |
if (!(p = lock_user_string(arg1)))
|
4034 |
goto efault;
|
4035 |
ret = get_errno(chdir(p)); |
4036 |
unlock_user(p, arg1, 0);
|
4037 |
break;
|
4038 |
#ifdef TARGET_NR_time
|
4039 |
case TARGET_NR_time:
|
4040 |
{ |
4041 |
time_t host_time; |
4042 |
ret = get_errno(time(&host_time)); |
4043 |
if (!is_error(ret)
|
4044 |
&& arg1 |
4045 |
&& put_user_sal(host_time, arg1)) |
4046 |
goto efault;
|
4047 |
} |
4048 |
break;
|
4049 |
#endif
|
4050 |
case TARGET_NR_mknod:
|
4051 |
if (!(p = lock_user_string(arg1)))
|
4052 |
goto efault;
|
4053 |
ret = get_errno(mknod(p, arg2, arg3)); |
4054 |
unlock_user(p, arg1, 0);
|
4055 |
break;
|
4056 |
#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
|
4057 |
case TARGET_NR_mknodat:
|
4058 |
if (!(p = lock_user_string(arg2)))
|
4059 |
goto efault;
|
4060 |
ret = get_errno(sys_mknodat(arg1, p, arg3, arg4)); |
4061 |
unlock_user(p, arg2, 0);
|
4062 |
break;
|
4063 |
#endif
|
4064 |
case TARGET_NR_chmod:
|
4065 |
if (!(p = lock_user_string(arg1)))
|
4066 |
goto efault;
|
4067 |
ret = get_errno(chmod(p, arg2)); |
4068 |
unlock_user(p, arg1, 0);
|
4069 |
break;
|
4070 |
#ifdef TARGET_NR_break
|
4071 |
case TARGET_NR_break:
|
4072 |
goto unimplemented;
|
4073 |
#endif
|
4074 |
#ifdef TARGET_NR_oldstat
|
4075 |
case TARGET_NR_oldstat:
|
4076 |
goto unimplemented;
|
4077 |
#endif
|
4078 |
case TARGET_NR_lseek:
|
4079 |
ret = get_errno(lseek(arg1, arg2, arg3)); |
4080 |
break;
|
4081 |
#ifdef TARGET_NR_getxpid
|
4082 |
case TARGET_NR_getxpid:
|
4083 |
#else
|
4084 |
case TARGET_NR_getpid:
|
4085 |
#endif
|
4086 |
ret = get_errno(getpid()); |
4087 |
break;
|
4088 |
case TARGET_NR_mount:
|
4089 |
{ |
4090 |
/* need to look at the data field */
|
4091 |
void *p2, *p3;
|
4092 |
p = lock_user_string(arg1); |
4093 |
p2 = lock_user_string(arg2); |
4094 |
p3 = lock_user_string(arg3); |
4095 |
if (!p || !p2 || !p3)
|
4096 |
ret = -TARGET_EFAULT; |
4097 |
else
|
4098 |
/* FIXME - arg5 should be locked, but it isn't clear how to
|
4099 |
* do that since it's not guaranteed to be a NULL-terminated
|
4100 |
* string.
|
4101 |
*/
|
4102 |
ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5))); |
4103 |
unlock_user(p, arg1, 0);
|
4104 |
unlock_user(p2, arg2, 0);
|
4105 |
unlock_user(p3, arg3, 0);
|
4106 |
break;
|
4107 |
} |
4108 |
#ifdef TARGET_NR_umount
|
4109 |
case TARGET_NR_umount:
|
4110 |
if (!(p = lock_user_string(arg1)))
|
4111 |
goto efault;
|
4112 |
ret = get_errno(umount(p)); |
4113 |
unlock_user(p, arg1, 0);
|
4114 |
break;
|
4115 |
#endif
|
4116 |
#ifdef TARGET_NR_stime /* not on alpha */ |
4117 |
case TARGET_NR_stime:
|
4118 |
{ |
4119 |
time_t host_time; |
4120 |
if (get_user_sal(host_time, arg1))
|
4121 |
goto efault;
|
4122 |
ret = get_errno(stime(&host_time)); |
4123 |
} |
4124 |
break;
|
4125 |
#endif
|
4126 |
case TARGET_NR_ptrace:
|
4127 |
goto unimplemented;
|
4128 |
#ifdef TARGET_NR_alarm /* not on alpha */ |
4129 |
case TARGET_NR_alarm:
|
4130 |
ret = alarm(arg1); |
4131 |
break;
|
4132 |
#endif
|
4133 |
#ifdef TARGET_NR_oldfstat
|
4134 |
case TARGET_NR_oldfstat:
|
4135 |
goto unimplemented;
|
4136 |
#endif
|
4137 |
#ifdef TARGET_NR_pause /* not on alpha */ |
4138 |
case TARGET_NR_pause:
|
4139 |
ret = get_errno(pause()); |
4140 |
break;
|
4141 |
#endif
|
4142 |
#ifdef TARGET_NR_utime
|
4143 |
case TARGET_NR_utime:
|
4144 |
{ |
4145 |
struct utimbuf tbuf, *host_tbuf;
|
4146 |
struct target_utimbuf *target_tbuf;
|
4147 |
if (arg2) {
|
4148 |
if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
4149 |
goto efault;
|
4150 |
tbuf.actime = tswapl(target_tbuf->actime); |
4151 |
tbuf.modtime = tswapl(target_tbuf->modtime); |
4152 |
unlock_user_struct(target_tbuf, arg2, 0);
|
4153 |
host_tbuf = &tbuf; |
4154 |
} else {
|
4155 |
host_tbuf = NULL;
|
4156 |
} |
4157 |
if (!(p = lock_user_string(arg1)))
|
4158 |
goto efault;
|
4159 |
ret = get_errno(utime(p, host_tbuf)); |
4160 |
unlock_user(p, arg1, 0);
|
4161 |
} |
4162 |
break;
|
4163 |
#endif
|
4164 |
case TARGET_NR_utimes:
|
4165 |
{ |
4166 |
struct timeval *tvp, tv[2]; |
4167 |
if (arg2) {
|
4168 |
if (copy_from_user_timeval(&tv[0], arg2) |
4169 |
|| copy_from_user_timeval(&tv[1],
|
4170 |
arg2 + sizeof(struct target_timeval))) |
4171 |
goto efault;
|
4172 |
tvp = tv; |
4173 |
} else {
|
4174 |
tvp = NULL;
|
4175 |
} |
4176 |
if (!(p = lock_user_string(arg1)))
|
4177 |
goto efault;
|
4178 |
ret = get_errno(utimes(p, tvp)); |
4179 |
unlock_user(p, arg1, 0);
|
4180 |
} |
4181 |
break;
|
4182 |
#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
|
4183 |
case TARGET_NR_futimesat:
|
4184 |
{ |
4185 |
struct timeval *tvp, tv[2]; |
4186 |
if (arg3) {
|
4187 |
if (copy_from_user_timeval(&tv[0], arg3) |
4188 |
|| copy_from_user_timeval(&tv[1],
|
4189 |
arg3 + sizeof(struct target_timeval))) |
4190 |
goto efault;
|
4191 |
tvp = tv; |
4192 |
} else {
|
4193 |
tvp = NULL;
|
4194 |
} |
4195 |
if (!(p = lock_user_string(arg2)))
|
4196 |
goto efault;
|
4197 |
ret = get_errno(sys_futimesat(arg1, path(p), tvp)); |
4198 |
unlock_user(p, arg2, 0);
|
4199 |
} |
4200 |
break;
|
4201 |
#endif
|
4202 |
#ifdef TARGET_NR_stty
|
4203 |
case TARGET_NR_stty:
|
4204 |
goto unimplemented;
|
4205 |
#endif
|
4206 |
#ifdef TARGET_NR_gtty
|
4207 |
case TARGET_NR_gtty:
|
4208 |
goto unimplemented;
|
4209 |
#endif
|
4210 |
case TARGET_NR_access:
|
4211 |
if (!(p = lock_user_string(arg1)))
|
4212 |
goto efault;
|
4213 |
ret = get_errno(access(p, arg2)); |
4214 |
unlock_user(p, arg1, 0);
|
4215 |
break;
|
4216 |
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
|
4217 |
case TARGET_NR_faccessat:
|
4218 |
if (!(p = lock_user_string(arg2)))
|
4219 |
goto efault;
|
4220 |
ret = get_errno(sys_faccessat(arg1, p, arg3)); |
4221 |
unlock_user(p, arg2, 0);
|
4222 |
break;
|
4223 |
#endif
|
4224 |
#ifdef TARGET_NR_nice /* not on alpha */ |
4225 |
case TARGET_NR_nice:
|
4226 |
ret = get_errno(nice(arg1)); |
4227 |
break;
|
4228 |
#endif
|
4229 |
#ifdef TARGET_NR_ftime
|
4230 |
case TARGET_NR_ftime:
|
4231 |
goto unimplemented;
|
4232 |
#endif
|
4233 |
case TARGET_NR_sync:
|
4234 |
sync(); |
4235 |
ret = 0;
|
4236 |
break;
|
4237 |
case TARGET_NR_kill:
|
4238 |
ret = get_errno(kill(arg1, target_to_host_signal(arg2))); |
4239 |
break;
|
4240 |
case TARGET_NR_rename:
|
4241 |
{ |
4242 |
void *p2;
|
4243 |
p = lock_user_string(arg1); |
4244 |
p2 = lock_user_string(arg2); |
4245 |
if (!p || !p2)
|
4246 |
ret = -TARGET_EFAULT; |
4247 |
else
|
4248 |
ret = get_errno(rename(p, p2)); |
4249 |
unlock_user(p2, arg2, 0);
|
4250 |
unlock_user(p, arg1, 0);
|
4251 |
} |
4252 |
break;
|
4253 |
#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
|
4254 |
case TARGET_NR_renameat:
|
4255 |
{ |
4256 |
void *p2;
|
4257 |
p = lock_user_string(arg2); |
4258 |
p2 = lock_user_string(arg4); |
4259 |
if (!p || !p2)
|
4260 |
ret = -TARGET_EFAULT; |
4261 |
else
|
4262 |
ret = get_errno(sys_renameat(arg1, p, arg3, p2)); |
4263 |
unlock_user(p2, arg4, 0);
|
4264 |
unlock_user(p, arg2, 0);
|
4265 |
} |
4266 |
break;
|
4267 |
#endif
|
4268 |
case TARGET_NR_mkdir:
|
4269 |
if (!(p = lock_user_string(arg1)))
|
4270 |
goto efault;
|
4271 |
ret = get_errno(mkdir(p, arg2)); |
4272 |
unlock_user(p, arg1, 0);
|
4273 |
break;
|
4274 |
#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
|
4275 |
case TARGET_NR_mkdirat:
|
4276 |
if (!(p = lock_user_string(arg2)))
|
4277 |
goto efault;
|
4278 |
ret = get_errno(sys_mkdirat(arg1, p, arg3)); |
4279 |
unlock_user(p, arg2, 0);
|
4280 |
break;
|
4281 |
#endif
|
4282 |
case TARGET_NR_rmdir:
|
4283 |
if (!(p = lock_user_string(arg1)))
|
4284 |
goto efault;
|
4285 |
ret = get_errno(rmdir(p)); |
4286 |
unlock_user(p, arg1, 0);
|
4287 |
break;
|
4288 |
case TARGET_NR_dup:
|
4289 |
ret = get_errno(dup(arg1)); |
4290 |
break;
|
4291 |
case TARGET_NR_pipe:
|
4292 |
{ |
4293 |
int host_pipe[2]; |
4294 |
ret = get_errno(pipe(host_pipe)); |
4295 |
if (!is_error(ret)) {
|
4296 |
#if defined(TARGET_MIPS)
|
4297 |
CPUMIPSState *env = (CPUMIPSState*)cpu_env; |
4298 |
env->active_tc.gpr[3] = host_pipe[1]; |
4299 |
ret = host_pipe[0];
|
4300 |
#elif defined(TARGET_SH4)
|
4301 |
((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
4302 |
ret = host_pipe[0];
|
4303 |
#else
|
4304 |
if (put_user_s32(host_pipe[0], arg1) |
4305 |
|| put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0]))) |
4306 |
goto efault;
|
4307 |
#endif
|
4308 |
} |
4309 |
} |
4310 |
break;
|
4311 |
case TARGET_NR_times:
|
4312 |
{ |
4313 |
struct target_tms *tmsp;
|
4314 |
struct tms tms;
|
4315 |
ret = get_errno(times(&tms)); |
4316 |
if (arg1) {
|
4317 |
tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
4318 |
if (!tmsp)
|
4319 |
goto efault;
|
4320 |
tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); |
4321 |
tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); |
4322 |
tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); |
4323 |
tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); |
4324 |
} |
4325 |
if (!is_error(ret))
|
4326 |
ret = host_to_target_clock_t(ret); |
4327 |
} |
4328 |
break;
|
4329 |
#ifdef TARGET_NR_prof
|
4330 |
case TARGET_NR_prof:
|
4331 |
goto unimplemented;
|
4332 |
#endif
|
4333 |
#ifdef TARGET_NR_signal
|
4334 |
case TARGET_NR_signal:
|
4335 |
goto unimplemented;
|
4336 |
#endif
|
4337 |
case TARGET_NR_acct:
|
4338 |
if (arg1 == 0) { |
4339 |
ret = get_errno(acct(NULL));
|
4340 |
} else {
|
4341 |
if (!(p = lock_user_string(arg1)))
|
4342 |
goto efault;
|
4343 |
ret = get_errno(acct(path(p))); |
4344 |
unlock_user(p, arg1, 0);
|
4345 |
} |
4346 |
break;
|
4347 |
#ifdef TARGET_NR_umount2 /* not on alpha */ |
4348 |
case TARGET_NR_umount2:
|
4349 |
if (!(p = lock_user_string(arg1)))
|
4350 |
goto efault;
|
4351 |
ret = get_errno(umount2(p, arg2)); |
4352 |
unlock_user(p, arg1, 0);
|
4353 |
break;
|
4354 |
#endif
|
4355 |
#ifdef TARGET_NR_lock
|
4356 |
case TARGET_NR_lock:
|
4357 |
goto unimplemented;
|
4358 |
#endif
|
4359 |
case TARGET_NR_ioctl:
|
4360 |
ret = do_ioctl(arg1, arg2, arg3); |
4361 |
break;
|
4362 |
case TARGET_NR_fcntl:
|
4363 |
ret = do_fcntl(arg1, arg2, arg3); |
4364 |
break;
|
4365 |
#ifdef TARGET_NR_mpx
|
4366 |
case TARGET_NR_mpx:
|
4367 |
goto unimplemented;
|
4368 |
#endif
|
4369 |
case TARGET_NR_setpgid:
|
4370 |
ret = get_errno(setpgid(arg1, arg2)); |
4371 |
break;
|
4372 |
#ifdef TARGET_NR_ulimit
|
4373 |
case TARGET_NR_ulimit:
|
4374 |
goto unimplemented;
|
4375 |
#endif
|
4376 |
#ifdef TARGET_NR_oldolduname
|
4377 |
case TARGET_NR_oldolduname:
|
4378 |
goto unimplemented;
|
4379 |
#endif
|
4380 |
case TARGET_NR_umask:
|
4381 |
ret = get_errno(umask(arg1)); |
4382 |
break;
|
4383 |
case TARGET_NR_chroot:
|
4384 |
if (!(p = lock_user_string(arg1)))
|
4385 |
goto efault;
|
4386 |
ret = get_errno(chroot(p)); |
4387 |
unlock_user(p, arg1, 0);
|
4388 |
break;
|
4389 |
case TARGET_NR_ustat:
|
4390 |
goto unimplemented;
|
4391 |
case TARGET_NR_dup2:
|
4392 |
ret = get_errno(dup2(arg1, arg2)); |
4393 |
break;
|
4394 |
#ifdef TARGET_NR_getppid /* not on alpha */ |
4395 |
case TARGET_NR_getppid:
|
4396 |
ret = get_errno(getppid()); |
4397 |
break;
|
4398 |
#endif
|
4399 |
case TARGET_NR_getpgrp:
|
4400 |
ret = get_errno(getpgrp()); |
4401 |
break;
|
4402 |
case TARGET_NR_setsid:
|
4403 |
ret = get_errno(setsid()); |
4404 |
break;
|
4405 |
#ifdef TARGET_NR_sigaction
|
4406 |
case TARGET_NR_sigaction:
|
4407 |
{ |
4408 |
#if !defined(TARGET_MIPS)
|
4409 |
struct target_old_sigaction *old_act;
|
4410 |
struct target_sigaction act, oact, *pact;
|
4411 |
if (arg2) {
|
4412 |
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
4413 |
goto efault;
|
4414 |
act._sa_handler = old_act->_sa_handler; |
4415 |
target_siginitset(&act.sa_mask, old_act->sa_mask); |
4416 |
act.sa_flags = old_act->sa_flags; |
4417 |
act.sa_restorer = old_act->sa_restorer; |
4418 |
unlock_user_struct(old_act, arg2, 0);
|
4419 |
pact = &act; |
4420 |
} else {
|
4421 |
pact = NULL;
|
4422 |
} |
4423 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
4424 |
if (!is_error(ret) && arg3) {
|
4425 |
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
4426 |
goto efault;
|
4427 |
old_act->_sa_handler = oact._sa_handler; |
4428 |
old_act->sa_mask = oact.sa_mask.sig[0];
|
4429 |
old_act->sa_flags = oact.sa_flags; |
4430 |
old_act->sa_restorer = oact.sa_restorer; |
4431 |
unlock_user_struct(old_act, arg3, 1);
|
4432 |
} |
4433 |
#else
|
4434 |
struct target_sigaction act, oact, *pact, *old_act;
|
4435 |
|
4436 |
if (arg2) {
|
4437 |
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
4438 |
goto efault;
|
4439 |
act._sa_handler = old_act->_sa_handler; |
4440 |
target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
|
4441 |
act.sa_flags = old_act->sa_flags; |
4442 |
unlock_user_struct(old_act, arg2, 0);
|
4443 |
pact = &act; |
4444 |
} else {
|
4445 |
pact = NULL;
|
4446 |
} |
4447 |
|
4448 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
4449 |
|
4450 |
if (!is_error(ret) && arg3) {
|
4451 |
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
4452 |
goto efault;
|
4453 |
old_act->_sa_handler = oact._sa_handler; |
4454 |
old_act->sa_flags = oact.sa_flags; |
4455 |
old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; |
4456 |
old_act->sa_mask.sig[1] = 0; |
4457 |
old_act->sa_mask.sig[2] = 0; |
4458 |
old_act->sa_mask.sig[3] = 0; |
4459 |
unlock_user_struct(old_act, arg3, 1);
|
4460 |
} |
4461 |
#endif
|
4462 |
} |
4463 |
break;
|
4464 |
#endif
|
4465 |
case TARGET_NR_rt_sigaction:
|
4466 |
{ |
4467 |
struct target_sigaction *act;
|
4468 |
struct target_sigaction *oact;
|
4469 |
|
4470 |
if (arg2) {
|
4471 |
if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) |
4472 |
goto efault;
|
4473 |
} else
|
4474 |
act = NULL;
|
4475 |
if (arg3) {
|
4476 |
if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { |
4477 |
ret = -TARGET_EFAULT; |
4478 |
goto rt_sigaction_fail;
|
4479 |
} |
4480 |
} else
|
4481 |
oact = NULL;
|
4482 |
ret = get_errno(do_sigaction(arg1, act, oact)); |
4483 |
rt_sigaction_fail:
|
4484 |
if (act)
|
4485 |
unlock_user_struct(act, arg2, 0);
|
4486 |
if (oact)
|
4487 |
unlock_user_struct(oact, arg3, 1);
|
4488 |
} |
4489 |
break;
|
4490 |
#ifdef TARGET_NR_sgetmask /* not on alpha */ |
4491 |
case TARGET_NR_sgetmask:
|
4492 |
{ |
4493 |
sigset_t cur_set; |
4494 |
abi_ulong target_set; |
4495 |
sigprocmask(0, NULL, &cur_set); |
4496 |
host_to_target_old_sigset(&target_set, &cur_set); |
4497 |
ret = target_set; |
4498 |
} |
4499 |
break;
|
4500 |
#endif
|
4501 |
#ifdef TARGET_NR_ssetmask /* not on alpha */ |
4502 |
case TARGET_NR_ssetmask:
|
4503 |
{ |
4504 |
sigset_t set, oset, cur_set; |
4505 |
abi_ulong target_set = arg1; |
4506 |
sigprocmask(0, NULL, &cur_set); |
4507 |
target_to_host_old_sigset(&set, &target_set); |
4508 |
sigorset(&set, &set, &cur_set); |
4509 |
sigprocmask(SIG_SETMASK, &set, &oset); |
4510 |
host_to_target_old_sigset(&target_set, &oset); |
4511 |
ret = target_set; |
4512 |
} |
4513 |
break;
|
4514 |
#endif
|
4515 |
#ifdef TARGET_NR_sigprocmask
|
4516 |
case TARGET_NR_sigprocmask:
|
4517 |
{ |
4518 |
int how = arg1;
|
4519 |
sigset_t set, oldset, *set_ptr; |
4520 |
|
4521 |
if (arg2) {
|
4522 |
switch(how) {
|
4523 |
case TARGET_SIG_BLOCK:
|
4524 |
how = SIG_BLOCK; |
4525 |
break;
|
4526 |
case TARGET_SIG_UNBLOCK:
|
4527 |
how = SIG_UNBLOCK; |
4528 |
break;
|
4529 |
case TARGET_SIG_SETMASK:
|
4530 |
how = SIG_SETMASK; |
4531 |
break;
|
4532 |
default:
|
4533 |
ret = -TARGET_EINVAL; |
4534 |
goto fail;
|
4535 |
} |
4536 |
if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
4537 |
goto efault;
|
4538 |
target_to_host_old_sigset(&set, p); |
4539 |
unlock_user(p, arg2, 0);
|
4540 |
set_ptr = &set; |
4541 |
} else {
|
4542 |
how = 0;
|
4543 |
set_ptr = NULL;
|
4544 |
} |
4545 |
ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); |
4546 |
if (!is_error(ret) && arg3) {
|
4547 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
4548 |
goto efault;
|
4549 |
host_to_target_old_sigset(p, &oldset); |
4550 |
unlock_user(p, arg3, sizeof(target_sigset_t));
|
4551 |
} |
4552 |
} |
4553 |
break;
|
4554 |
#endif
|
4555 |
case TARGET_NR_rt_sigprocmask:
|
4556 |
{ |
4557 |
int how = arg1;
|
4558 |
sigset_t set, oldset, *set_ptr; |
4559 |
|
4560 |
if (arg2) {
|
4561 |
switch(how) {
|
4562 |
case TARGET_SIG_BLOCK:
|
4563 |
how = SIG_BLOCK; |
4564 |
break;
|
4565 |
case TARGET_SIG_UNBLOCK:
|
4566 |
how = SIG_UNBLOCK; |
4567 |
break;
|
4568 |
case TARGET_SIG_SETMASK:
|
4569 |
how = SIG_SETMASK; |
4570 |
break;
|
4571 |
default:
|
4572 |
ret = -TARGET_EINVAL; |
4573 |
goto fail;
|
4574 |
} |
4575 |
if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
4576 |
goto efault;
|
4577 |
target_to_host_sigset(&set, p); |
4578 |
unlock_user(p, arg2, 0);
|
4579 |
set_ptr = &set; |
4580 |
} else {
|
4581 |
how = 0;
|
4582 |
set_ptr = NULL;
|
4583 |
} |
4584 |
ret = get_errno(sigprocmask(how, set_ptr, &oldset)); |
4585 |
if (!is_error(ret) && arg3) {
|
4586 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
4587 |
goto efault;
|
4588 |
host_to_target_sigset(p, &oldset); |
4589 |
unlock_user(p, arg3, sizeof(target_sigset_t));
|
4590 |
} |
4591 |
} |
4592 |
break;
|
4593 |
#ifdef TARGET_NR_sigpending
|
4594 |
case TARGET_NR_sigpending:
|
4595 |
{ |
4596 |
sigset_t set; |
4597 |
ret = get_errno(sigpending(&set)); |
4598 |
if (!is_error(ret)) {
|
4599 |
if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
4600 |
goto efault;
|
4601 |
host_to_target_old_sigset(p, &set); |
4602 |
unlock_user(p, arg1, sizeof(target_sigset_t));
|
4603 |
} |
4604 |
} |
4605 |
break;
|
4606 |
#endif
|
4607 |
case TARGET_NR_rt_sigpending:
|
4608 |
{ |
4609 |
sigset_t set; |
4610 |
ret = get_errno(sigpending(&set)); |
4611 |
if (!is_error(ret)) {
|
4612 |
if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
4613 |
goto efault;
|
4614 |
host_to_target_sigset(p, &set); |
4615 |
unlock_user(p, arg1, sizeof(target_sigset_t));
|
4616 |
} |
4617 |
} |
4618 |
break;
|
4619 |
#ifdef TARGET_NR_sigsuspend
|
4620 |
case TARGET_NR_sigsuspend:
|
4621 |
{ |
4622 |
sigset_t set; |
4623 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
4624 |
goto efault;
|
4625 |
target_to_host_old_sigset(&set, p); |
4626 |
unlock_user(p, arg1, 0);
|
4627 |
ret = get_errno(sigsuspend(&set)); |
4628 |
} |
4629 |
break;
|
4630 |
#endif
|
4631 |
case TARGET_NR_rt_sigsuspend:
|
4632 |
{ |
4633 |
sigset_t set; |
4634 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
4635 |
goto efault;
|
4636 |
target_to_host_sigset(&set, p); |
4637 |
unlock_user(p, arg1, 0);
|
4638 |
ret = get_errno(sigsuspend(&set)); |
4639 |
} |
4640 |
break;
|
4641 |
case TARGET_NR_rt_sigtimedwait:
|
4642 |
{ |
4643 |
sigset_t set; |
4644 |
struct timespec uts, *puts;
|
4645 |
siginfo_t uinfo; |
4646 |
|
4647 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
4648 |
goto efault;
|
4649 |
target_to_host_sigset(&set, p); |
4650 |
unlock_user(p, arg1, 0);
|
4651 |
if (arg3) {
|
4652 |
puts = &uts; |
4653 |
target_to_host_timespec(puts, arg3); |
4654 |
} else {
|
4655 |
puts = NULL;
|
4656 |
} |
4657 |
ret = get_errno(sigtimedwait(&set, &uinfo, puts)); |
4658 |
if (!is_error(ret) && arg2) {
|
4659 |
if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0))) |
4660 |
goto efault;
|
4661 |
host_to_target_siginfo(p, &uinfo); |
4662 |
unlock_user(p, arg2, sizeof(target_siginfo_t));
|
4663 |
} |
4664 |
} |
4665 |
break;
|
4666 |
case TARGET_NR_rt_sigqueueinfo:
|
4667 |
{ |
4668 |
siginfo_t uinfo; |
4669 |
if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1))) |
4670 |
goto efault;
|
4671 |
target_to_host_siginfo(&uinfo, p); |
4672 |
unlock_user(p, arg1, 0);
|
4673 |
ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
4674 |
} |
4675 |
break;
|
4676 |
#ifdef TARGET_NR_sigreturn
|
4677 |
case TARGET_NR_sigreturn:
|
4678 |
/* NOTE: ret is eax, so not transcoding must be done */
|
4679 |
ret = do_sigreturn(cpu_env); |
4680 |
break;
|
4681 |
#endif
|
4682 |
case TARGET_NR_rt_sigreturn:
|
4683 |
/* NOTE: ret is eax, so not transcoding must be done */
|
4684 |
ret = do_rt_sigreturn(cpu_env); |
4685 |
break;
|
4686 |
case TARGET_NR_sethostname:
|
4687 |
if (!(p = lock_user_string(arg1)))
|
4688 |
goto efault;
|
4689 |
ret = get_errno(sethostname(p, arg2)); |
4690 |
unlock_user(p, arg1, 0);
|
4691 |
break;
|
4692 |
case TARGET_NR_setrlimit:
|
4693 |
{ |
4694 |
/* XXX: convert resource ? */
|
4695 |
int resource = arg1;
|
4696 |
struct target_rlimit *target_rlim;
|
4697 |
struct rlimit rlim;
|
4698 |
if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
4699 |
goto efault;
|
4700 |
rlim.rlim_cur = tswapl(target_rlim->rlim_cur); |
4701 |
rlim.rlim_max = tswapl(target_rlim->rlim_max); |
4702 |
unlock_user_struct(target_rlim, arg2, 0);
|
4703 |
ret = get_errno(setrlimit(resource, &rlim)); |
4704 |
} |
4705 |
break;
|
4706 |
case TARGET_NR_getrlimit:
|
4707 |
{ |
4708 |
/* XXX: convert resource ? */
|
4709 |
int resource = arg1;
|
4710 |
struct target_rlimit *target_rlim;
|
4711 |
struct rlimit rlim;
|
4712 |
|
4713 |
ret = get_errno(getrlimit(resource, &rlim)); |
4714 |
if (!is_error(ret)) {
|
4715 |
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
4716 |
goto efault;
|
4717 |
rlim.rlim_cur = tswapl(target_rlim->rlim_cur); |
4718 |
rlim.rlim_max = tswapl(target_rlim->rlim_max); |
4719 |
unlock_user_struct(target_rlim, arg2, 1);
|
4720 |
} |
4721 |
} |
4722 |
break;
|
4723 |
case TARGET_NR_getrusage:
|
4724 |
{ |
4725 |
struct rusage rusage;
|
4726 |
ret = get_errno(getrusage(arg1, &rusage)); |
4727 |
if (!is_error(ret)) {
|
4728 |
host_to_target_rusage(arg2, &rusage); |
4729 |
} |
4730 |
} |
4731 |
break;
|
4732 |
case TARGET_NR_gettimeofday:
|
4733 |
{ |
4734 |
struct timeval tv;
|
4735 |
ret = get_errno(gettimeofday(&tv, NULL));
|
4736 |
if (!is_error(ret)) {
|
4737 |
if (copy_to_user_timeval(arg1, &tv))
|
4738 |
goto efault;
|
4739 |
} |
4740 |
} |
4741 |
break;
|
4742 |
case TARGET_NR_settimeofday:
|
4743 |
{ |
4744 |
struct timeval tv;
|
4745 |
if (copy_from_user_timeval(&tv, arg1))
|
4746 |
goto efault;
|
4747 |
ret = get_errno(settimeofday(&tv, NULL));
|
4748 |
} |
4749 |
break;
|
4750 |
#ifdef TARGET_NR_select
|
4751 |
case TARGET_NR_select:
|
4752 |
{ |
4753 |
struct target_sel_arg_struct *sel;
|
4754 |
abi_ulong inp, outp, exp, tvp; |
4755 |
long nsel;
|
4756 |
|
4757 |
if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) |
4758 |
goto efault;
|
4759 |
nsel = tswapl(sel->n); |
4760 |
inp = tswapl(sel->inp); |
4761 |
outp = tswapl(sel->outp); |
4762 |
exp = tswapl(sel->exp); |
4763 |
tvp = tswapl(sel->tvp); |
4764 |
unlock_user_struct(sel, arg1, 0);
|
4765 |
ret = do_select(nsel, inp, outp, exp, tvp); |
4766 |
} |
4767 |
break;
|
4768 |
#endif
|
4769 |
case TARGET_NR_symlink:
|
4770 |
{ |
4771 |
void *p2;
|
4772 |
p = lock_user_string(arg1); |
4773 |
p2 = lock_user_string(arg2); |
4774 |
if (!p || !p2)
|
4775 |
ret = -TARGET_EFAULT; |
4776 |
else
|
4777 |
ret = get_errno(symlink(p, p2)); |
4778 |
unlock_user(p2, arg2, 0);
|
4779 |
unlock_user(p, arg1, 0);
|
4780 |
} |
4781 |
break;
|
4782 |
#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
|
4783 |
case TARGET_NR_symlinkat:
|
4784 |
{ |
4785 |
void *p2;
|
4786 |
p = lock_user_string(arg1); |
4787 |
p2 = lock_user_string(arg3); |
4788 |
if (!p || !p2)
|
4789 |
ret = -TARGET_EFAULT; |
4790 |
else
|
4791 |
ret = get_errno(sys_symlinkat(p, arg2, p2)); |
4792 |
unlock_user(p2, arg3, 0);
|
4793 |
unlock_user(p, arg1, 0);
|
4794 |
} |
4795 |
break;
|
4796 |
#endif
|
4797 |
#ifdef TARGET_NR_oldlstat
|
4798 |
case TARGET_NR_oldlstat:
|
4799 |
goto unimplemented;
|
4800 |
#endif
|
4801 |
case TARGET_NR_readlink:
|
4802 |
{ |
4803 |
void *p2, *temp;
|
4804 |
p = lock_user_string(arg1); |
4805 |
p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
|
4806 |
if (!p || !p2)
|
4807 |
ret = -TARGET_EFAULT; |
4808 |
else {
|
4809 |
if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) { |
4810 |
char real[PATH_MAX];
|
4811 |
temp = realpath(exec_path,real); |
4812 |
ret = (temp==NULL) ? get_errno(-1) : strlen(real) ; |
4813 |
snprintf((char *)p2, arg3, "%s", real); |
4814 |
} |
4815 |
else
|
4816 |
ret = get_errno(readlink(path(p), p2, arg3)); |
4817 |
} |
4818 |
unlock_user(p2, arg2, ret); |
4819 |
unlock_user(p, arg1, 0);
|
4820 |
} |
4821 |
break;
|
4822 |
#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
|
4823 |
case TARGET_NR_readlinkat:
|
4824 |
{ |
4825 |
void *p2;
|
4826 |
p = lock_user_string(arg2); |
4827 |
p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
|
4828 |
if (!p || !p2)
|
4829 |
ret = -TARGET_EFAULT; |
4830 |
else
|
4831 |
ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); |
4832 |
unlock_user(p2, arg3, ret); |
4833 |
unlock_user(p, arg2, 0);
|
4834 |
} |
4835 |
break;
|
4836 |
#endif
|
4837 |
#ifdef TARGET_NR_uselib
|
4838 |
case TARGET_NR_uselib:
|
4839 |
goto unimplemented;
|
4840 |
#endif
|
4841 |
#ifdef TARGET_NR_swapon
|
4842 |
case TARGET_NR_swapon:
|
4843 |
if (!(p = lock_user_string(arg1)))
|
4844 |
goto efault;
|
4845 |
ret = get_errno(swapon(p, arg2)); |
4846 |
unlock_user(p, arg1, 0);
|
4847 |
break;
|
4848 |
#endif
|
4849 |
case TARGET_NR_reboot:
|
4850 |
goto unimplemented;
|
4851 |
#ifdef TARGET_NR_readdir
|
4852 |
case TARGET_NR_readdir:
|
4853 |
goto unimplemented;
|
4854 |
#endif
|
4855 |
#ifdef TARGET_NR_mmap
|
4856 |
case TARGET_NR_mmap:
|
4857 |
#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
|
4858 |
{ |
4859 |
abi_ulong *v; |
4860 |
abi_ulong v1, v2, v3, v4, v5, v6; |
4861 |
if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
4862 |
goto efault;
|
4863 |
v1 = tswapl(v[0]);
|
4864 |
v2 = tswapl(v[1]);
|
4865 |
v3 = tswapl(v[2]);
|
4866 |
v4 = tswapl(v[3]);
|
4867 |
v5 = tswapl(v[4]);
|
4868 |
v6 = tswapl(v[5]);
|
4869 |
unlock_user(v, arg1, 0);
|
4870 |
ret = get_errno(target_mmap(v1, v2, v3, |
4871 |
target_to_host_bitmask(v4, mmap_flags_tbl), |
4872 |
v5, v6)); |
4873 |
} |
4874 |
#else
|
4875 |
ret = get_errno(target_mmap(arg1, arg2, arg3, |
4876 |
target_to_host_bitmask(arg4, mmap_flags_tbl), |
4877 |
arg5, |
4878 |
arg6)); |
4879 |
#endif
|
4880 |
break;
|
4881 |
#endif
|
4882 |
#ifdef TARGET_NR_mmap2
|
4883 |
case TARGET_NR_mmap2:
|
4884 |
#ifndef MMAP_SHIFT
|
4885 |
#define MMAP_SHIFT 12 |
4886 |
#endif
|
4887 |
ret = get_errno(target_mmap(arg1, arg2, arg3, |
4888 |
target_to_host_bitmask(arg4, mmap_flags_tbl), |
4889 |
arg5, |
4890 |
arg6 << MMAP_SHIFT)); |
4891 |
break;
|
4892 |
#endif
|
4893 |
case TARGET_NR_munmap:
|
4894 |
ret = get_errno(target_munmap(arg1, arg2)); |
4895 |
break;
|
4896 |
case TARGET_NR_mprotect:
|
4897 |
ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
4898 |
break;
|
4899 |
#ifdef TARGET_NR_mremap
|
4900 |
case TARGET_NR_mremap:
|
4901 |
ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
4902 |
break;
|
4903 |
#endif
|
4904 |
/* ??? msync/mlock/munlock are broken for softmmu. */
|
4905 |
#ifdef TARGET_NR_msync
|
4906 |
case TARGET_NR_msync:
|
4907 |
ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
4908 |
break;
|
4909 |
#endif
|
4910 |
#ifdef TARGET_NR_mlock
|
4911 |
case TARGET_NR_mlock:
|
4912 |
ret = get_errno(mlock(g2h(arg1), arg2)); |
4913 |
break;
|
4914 |
#endif
|
4915 |
#ifdef TARGET_NR_munlock
|
4916 |
case TARGET_NR_munlock:
|
4917 |
ret = get_errno(munlock(g2h(arg1), arg2)); |
4918 |
break;
|
4919 |
#endif
|
4920 |
#ifdef TARGET_NR_mlockall
|
4921 |
case TARGET_NR_mlockall:
|
4922 |
ret = get_errno(mlockall(arg1)); |
4923 |
break;
|
4924 |
#endif
|
4925 |
#ifdef TARGET_NR_munlockall
|
4926 |
case TARGET_NR_munlockall:
|
4927 |
ret = get_errno(munlockall()); |
4928 |
break;
|
4929 |
#endif
|
4930 |
case TARGET_NR_truncate:
|
4931 |
if (!(p = lock_user_string(arg1)))
|
4932 |
goto efault;
|
4933 |
ret = get_errno(truncate(p, arg2)); |
4934 |
unlock_user(p, arg1, 0);
|
4935 |
break;
|
4936 |
case TARGET_NR_ftruncate:
|
4937 |
ret = get_errno(ftruncate(arg1, arg2)); |
4938 |
break;
|
4939 |
case TARGET_NR_fchmod:
|
4940 |
ret = get_errno(fchmod(arg1, arg2)); |
4941 |
break;
|
4942 |
#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
|
4943 |
case TARGET_NR_fchmodat:
|
4944 |
if (!(p = lock_user_string(arg2)))
|
4945 |
goto efault;
|
4946 |
ret = get_errno(sys_fchmodat(arg1, p, arg3)); |
4947 |
unlock_user(p, arg2, 0);
|
4948 |
break;
|
4949 |
#endif
|
4950 |
case TARGET_NR_getpriority:
|
4951 |
/* libc does special remapping of the return value of
|
4952 |
* sys_getpriority() so it's just easiest to call
|
4953 |
* sys_getpriority() directly rather than through libc. */
|
4954 |
ret = sys_getpriority(arg1, arg2); |
4955 |
break;
|
4956 |
case TARGET_NR_setpriority:
|
4957 |
ret = get_errno(setpriority(arg1, arg2, arg3)); |
4958 |
break;
|
4959 |
#ifdef TARGET_NR_profil
|
4960 |
case TARGET_NR_profil:
|
4961 |
goto unimplemented;
|
4962 |
#endif
|
4963 |
case TARGET_NR_statfs:
|
4964 |
if (!(p = lock_user_string(arg1)))
|
4965 |
goto efault;
|
4966 |
ret = get_errno(statfs(path(p), &stfs)); |
4967 |
unlock_user(p, arg1, 0);
|
4968 |
convert_statfs:
|
4969 |
if (!is_error(ret)) {
|
4970 |
struct target_statfs *target_stfs;
|
4971 |
|
4972 |
if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
4973 |
goto efault;
|
4974 |
__put_user(stfs.f_type, &target_stfs->f_type); |
4975 |
__put_user(stfs.f_bsize, &target_stfs->f_bsize); |
4976 |
__put_user(stfs.f_blocks, &target_stfs->f_blocks); |
4977 |
__put_user(stfs.f_bfree, &target_stfs->f_bfree); |
4978 |
__put_user(stfs.f_bavail, &target_stfs->f_bavail); |
4979 |
__put_user(stfs.f_files, &target_stfs->f_files); |
4980 |
__put_user(stfs.f_ffree, &target_stfs->f_ffree); |
4981 |
__put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); |
4982 |
__put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); |
4983 |
__put_user(stfs.f_namelen, &target_stfs->f_namelen); |
4984 |
unlock_user_struct(target_stfs, arg2, 1);
|
4985 |
} |
4986 |
break;
|
4987 |
case TARGET_NR_fstatfs:
|
4988 |
ret = get_errno(fstatfs(arg1, &stfs)); |
4989 |
goto convert_statfs;
|
4990 |
#ifdef TARGET_NR_statfs64
|
4991 |
case TARGET_NR_statfs64:
|
4992 |
if (!(p = lock_user_string(arg1)))
|
4993 |
goto efault;
|
4994 |
ret = get_errno(statfs(path(p), &stfs)); |
4995 |
unlock_user(p, arg1, 0);
|
4996 |
convert_statfs64:
|
4997 |
if (!is_error(ret)) {
|
4998 |
struct target_statfs64 *target_stfs;
|
4999 |
|
5000 |
if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
5001 |
goto efault;
|
5002 |
__put_user(stfs.f_type, &target_stfs->f_type); |
5003 |
__put_user(stfs.f_bsize, &target_stfs->f_bsize); |
5004 |
__put_user(stfs.f_blocks, &target_stfs->f_blocks); |
5005 |
__put_user(stfs.f_bfree, &target_stfs->f_bfree); |
5006 |
__put_user(stfs.f_bavail, &target_stfs->f_bavail); |
5007 |
__put_user(stfs.f_files, &target_stfs->f_files); |
5008 |
__put_user(stfs.f_ffree, &target_stfs->f_ffree); |
5009 |
__put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); |
5010 |
__put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); |
5011 |
__put_user(stfs.f_namelen, &target_stfs->f_namelen); |
5012 |
unlock_user_struct(target_stfs, arg3, 1);
|
5013 |
} |
5014 |
break;
|
5015 |
case TARGET_NR_fstatfs64:
|
5016 |
ret = get_errno(fstatfs(arg1, &stfs)); |
5017 |
goto convert_statfs64;
|
5018 |
#endif
|
5019 |
#ifdef TARGET_NR_ioperm
|
5020 |
case TARGET_NR_ioperm:
|
5021 |
goto unimplemented;
|
5022 |
#endif
|
5023 |
#ifdef TARGET_NR_socketcall
|
5024 |
case TARGET_NR_socketcall:
|
5025 |
ret = do_socketcall(arg1, arg2); |
5026 |
break;
|
5027 |
#endif
|
5028 |
#ifdef TARGET_NR_accept
|
5029 |
case TARGET_NR_accept:
|
5030 |
ret = do_accept(arg1, arg2, arg3); |
5031 |
break;
|
5032 |
#endif
|
5033 |
#ifdef TARGET_NR_bind
|
5034 |
case TARGET_NR_bind:
|
5035 |
ret = do_bind(arg1, arg2, arg3); |
5036 |
break;
|
5037 |
#endif
|
5038 |
#ifdef TARGET_NR_connect
|
5039 |
case TARGET_NR_connect:
|
5040 |
ret = do_connect(arg1, arg2, arg3); |
5041 |
break;
|
5042 |
#endif
|
5043 |
#ifdef TARGET_NR_getpeername
|
5044 |
case TARGET_NR_getpeername:
|
5045 |
ret = do_getpeername(arg1, arg2, arg3); |
5046 |
break;
|
5047 |
#endif
|
5048 |
#ifdef TARGET_NR_getsockname
|
5049 |
case TARGET_NR_getsockname:
|
5050 |
ret = do_getsockname(arg1, arg2, arg3); |
5051 |
break;
|
5052 |
#endif
|
5053 |
#ifdef TARGET_NR_getsockopt
|
5054 |
case TARGET_NR_getsockopt:
|
5055 |
ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
5056 |
break;
|
5057 |
#endif
|
5058 |
#ifdef TARGET_NR_listen
|
5059 |
case TARGET_NR_listen:
|
5060 |
ret = get_errno(listen(arg1, arg2)); |
5061 |
break;
|
5062 |
#endif
|
5063 |
#ifdef TARGET_NR_recv
|
5064 |
case TARGET_NR_recv:
|
5065 |
ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
5066 |
break;
|
5067 |
#endif
|
5068 |
#ifdef TARGET_NR_recvfrom
|
5069 |
case TARGET_NR_recvfrom:
|
5070 |
ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
5071 |
break;
|
5072 |
#endif
|
5073 |
#ifdef TARGET_NR_recvmsg
|
5074 |
case TARGET_NR_recvmsg:
|
5075 |
ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
|
5076 |
break;
|
5077 |
#endif
|
5078 |
#ifdef TARGET_NR_send
|
5079 |
case TARGET_NR_send:
|
5080 |
ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
5081 |
break;
|
5082 |
#endif
|
5083 |
#ifdef TARGET_NR_sendmsg
|
5084 |
case TARGET_NR_sendmsg:
|
5085 |
ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
|
5086 |
break;
|
5087 |
#endif
|
5088 |
#ifdef TARGET_NR_sendto
|
5089 |
case TARGET_NR_sendto:
|
5090 |
ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
5091 |
break;
|
5092 |
#endif
|
5093 |
#ifdef TARGET_NR_shutdown
|
5094 |
case TARGET_NR_shutdown:
|
5095 |
ret = get_errno(shutdown(arg1, arg2)); |
5096 |
break;
|
5097 |
#endif
|
5098 |
#ifdef TARGET_NR_socket
|
5099 |
case TARGET_NR_socket:
|
5100 |
ret = do_socket(arg1, arg2, arg3); |
5101 |
break;
|
5102 |
#endif
|
5103 |
#ifdef TARGET_NR_socketpair
|
5104 |
case TARGET_NR_socketpair:
|
5105 |
ret = do_socketpair(arg1, arg2, arg3, arg4); |
5106 |
break;
|
5107 |
#endif
|
5108 |
#ifdef TARGET_NR_setsockopt
|
5109 |
case TARGET_NR_setsockopt:
|
5110 |
ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
5111 |
break;
|
5112 |
#endif
|
5113 |
|
5114 |
case TARGET_NR_syslog:
|
5115 |
if (!(p = lock_user_string(arg2)))
|
5116 |
goto efault;
|
5117 |
ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); |
5118 |
unlock_user(p, arg2, 0);
|
5119 |
break;
|
5120 |
|
5121 |
case TARGET_NR_setitimer:
|
5122 |
{ |
5123 |
struct itimerval value, ovalue, *pvalue;
|
5124 |
|
5125 |
if (arg2) {
|
5126 |
pvalue = &value; |
5127 |
if (copy_from_user_timeval(&pvalue->it_interval, arg2)
|
5128 |
|| copy_from_user_timeval(&pvalue->it_value, |
5129 |
arg2 + sizeof(struct target_timeval))) |
5130 |
goto efault;
|
5131 |
} else {
|
5132 |
pvalue = NULL;
|
5133 |
} |
5134 |
ret = get_errno(setitimer(arg1, pvalue, &ovalue)); |
5135 |
if (!is_error(ret) && arg3) {
|
5136 |
if (copy_to_user_timeval(arg3,
|
5137 |
&ovalue.it_interval) |
5138 |
|| copy_to_user_timeval(arg3 + sizeof(struct target_timeval), |
5139 |
&ovalue.it_value)) |
5140 |
goto efault;
|
5141 |
} |
5142 |
} |
5143 |
break;
|
5144 |
case TARGET_NR_getitimer:
|
5145 |
{ |
5146 |
struct itimerval value;
|
5147 |
|
5148 |
ret = get_errno(getitimer(arg1, &value)); |
5149 |
if (!is_error(ret) && arg2) {
|
5150 |
if (copy_to_user_timeval(arg2,
|
5151 |
&value.it_interval) |
5152 |
|| copy_to_user_timeval(arg2 + sizeof(struct target_timeval), |
5153 |
&value.it_value)) |
5154 |
goto efault;
|
5155 |
} |
5156 |
} |
5157 |
break;
|
5158 |
case TARGET_NR_stat:
|
5159 |
if (!(p = lock_user_string(arg1)))
|
5160 |
goto efault;
|
5161 |
ret = get_errno(stat(path(p), &st)); |
5162 |
unlock_user(p, arg1, 0);
|
5163 |
goto do_stat;
|
5164 |
case TARGET_NR_lstat:
|
5165 |
if (!(p = lock_user_string(arg1)))
|
5166 |
goto efault;
|
5167 |
ret = get_errno(lstat(path(p), &st)); |
5168 |
unlock_user(p, arg1, 0);
|
5169 |
goto do_stat;
|
5170 |
case TARGET_NR_fstat:
|
5171 |
{ |
5172 |
ret = get_errno(fstat(arg1, &st)); |
5173 |
do_stat:
|
5174 |
if (!is_error(ret)) {
|
5175 |
struct target_stat *target_st;
|
5176 |
|
5177 |
if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
5178 |
goto efault;
|
5179 |
__put_user(st.st_dev, &target_st->st_dev); |
5180 |
__put_user(st.st_ino, &target_st->st_ino); |
5181 |
__put_user(st.st_mode, &target_st->st_mode); |
5182 |
__put_user(st.st_uid, &target_st->st_uid); |
5183 |
__put_user(st.st_gid, &target_st->st_gid); |
5184 |
__put_user(st.st_nlink, &target_st->st_nlink); |
5185 |
__put_user(st.st_rdev, &target_st->st_rdev); |
5186 |
__put_user(st.st_size, &target_st->st_size); |
5187 |
__put_user(st.st_blksize, &target_st->st_blksize); |
5188 |
__put_user(st.st_blocks, &target_st->st_blocks); |
5189 |
__put_user(st.st_atime, &target_st->target_st_atime); |
5190 |
__put_user(st.st_mtime, &target_st->target_st_mtime); |
5191 |
__put_user(st.st_ctime, &target_st->target_st_ctime); |
5192 |
unlock_user_struct(target_st, arg2, 1);
|
5193 |
} |
5194 |
} |
5195 |
break;
|
5196 |
#ifdef TARGET_NR_olduname
|
5197 |
case TARGET_NR_olduname:
|
5198 |
goto unimplemented;
|
5199 |
#endif
|
5200 |
#ifdef TARGET_NR_iopl
|
5201 |
case TARGET_NR_iopl:
|
5202 |
goto unimplemented;
|
5203 |
#endif
|
5204 |
case TARGET_NR_vhangup:
|
5205 |
ret = get_errno(vhangup()); |
5206 |
break;
|
5207 |
#ifdef TARGET_NR_idle
|
5208 |
case TARGET_NR_idle:
|
5209 |
goto unimplemented;
|
5210 |
#endif
|
5211 |
#ifdef TARGET_NR_syscall
|
5212 |
case TARGET_NR_syscall:
|
5213 |
ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); |
5214 |
break;
|
5215 |
#endif
|
5216 |
case TARGET_NR_wait4:
|
5217 |
{ |
5218 |
int status;
|
5219 |
abi_long status_ptr = arg2; |
5220 |
struct rusage rusage, *rusage_ptr;
|
5221 |
abi_ulong target_rusage = arg4; |
5222 |
if (target_rusage)
|
5223 |
rusage_ptr = &rusage; |
5224 |
else
|
5225 |
rusage_ptr = NULL;
|
5226 |
ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); |
5227 |
if (!is_error(ret)) {
|
5228 |
if (status_ptr) {
|
5229 |
status = host_to_target_waitstatus(status); |
5230 |
if (put_user_s32(status, status_ptr))
|
5231 |
goto efault;
|
5232 |
} |
5233 |
if (target_rusage)
|
5234 |
host_to_target_rusage(target_rusage, &rusage); |
5235 |
} |
5236 |
} |
5237 |
break;
|
5238 |
#ifdef TARGET_NR_swapoff
|
5239 |
case TARGET_NR_swapoff:
|
5240 |
if (!(p = lock_user_string(arg1)))
|
5241 |
goto efault;
|
5242 |
ret = get_errno(swapoff(p)); |
5243 |
unlock_user(p, arg1, 0);
|
5244 |
break;
|
5245 |
#endif
|
5246 |
case TARGET_NR_sysinfo:
|
5247 |
{ |
5248 |
struct target_sysinfo *target_value;
|
5249 |
struct sysinfo value;
|
5250 |
ret = get_errno(sysinfo(&value)); |
5251 |
if (!is_error(ret) && arg1)
|
5252 |
{ |
5253 |
if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
5254 |
goto efault;
|
5255 |
__put_user(value.uptime, &target_value->uptime); |
5256 |
__put_user(value.loads[0], &target_value->loads[0]); |
5257 |
__put_user(value.loads[1], &target_value->loads[1]); |
5258 |
__put_user(value.loads[2], &target_value->loads[2]); |
5259 |
__put_user(value.totalram, &target_value->totalram); |
5260 |
__put_user(value.freeram, &target_value->freeram); |
5261 |
__put_user(value.sharedram, &target_value->sharedram); |
5262 |
__put_user(value.bufferram, &target_value->bufferram); |
5263 |
__put_user(value.totalswap, &target_value->totalswap); |
5264 |
__put_user(value.freeswap, &target_value->freeswap); |
5265 |
__put_user(value.procs, &target_value->procs); |
5266 |
__put_user(value.totalhigh, &target_value->totalhigh); |
5267 |
__put_user(value.freehigh, &target_value->freehigh); |
5268 |
__put_user(value.mem_unit, &target_value->mem_unit); |
5269 |
unlock_user_struct(target_value, arg1, 1);
|
5270 |
} |
5271 |
} |
5272 |
break;
|
5273 |
#ifdef TARGET_NR_ipc
|
5274 |
case TARGET_NR_ipc:
|
5275 |
ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); |
5276 |
break;
|
5277 |
#endif
|
5278 |
#ifdef TARGET_NR_semget
|
5279 |
case TARGET_NR_semget:
|
5280 |
ret = get_errno(semget(arg1, arg2, arg3)); |
5281 |
break;
|
5282 |
#endif
|
5283 |
#ifdef TARGET_NR_semop
|
5284 |
case TARGET_NR_semop:
|
5285 |
ret = get_errno(do_semop(arg1, arg2, arg3)); |
5286 |
break;
|
5287 |
#endif
|
5288 |
#ifdef TARGET_NR_semctl
|
5289 |
case TARGET_NR_semctl:
|
5290 |
ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
|
5291 |
break;
|
5292 |
#endif
|
5293 |
#ifdef TARGET_NR_msgctl
|
5294 |
case TARGET_NR_msgctl:
|
5295 |
ret = do_msgctl(arg1, arg2, arg3); |
5296 |
break;
|
5297 |
#endif
|
5298 |
#ifdef TARGET_NR_msgget
|
5299 |
case TARGET_NR_msgget:
|
5300 |
ret = get_errno(msgget(arg1, arg2)); |
5301 |
break;
|
5302 |
#endif
|
5303 |
#ifdef TARGET_NR_msgrcv
|
5304 |
case TARGET_NR_msgrcv:
|
5305 |
ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); |
5306 |
break;
|
5307 |
#endif
|
5308 |
#ifdef TARGET_NR_msgsnd
|
5309 |
case TARGET_NR_msgsnd:
|
5310 |
ret = do_msgsnd(arg1, arg2, arg3, arg4); |
5311 |
break;
|
5312 |
#endif
|
5313 |
case TARGET_NR_fsync:
|
5314 |
ret = get_errno(fsync(arg1)); |
5315 |
break;
|
5316 |
case TARGET_NR_clone:
|
5317 |
#if defined(TARGET_SH4)
|
5318 |
ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
5319 |
#elif defined(TARGET_CRIS)
|
5320 |
ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5)); |
5321 |
#else
|
5322 |
ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); |
5323 |
#endif
|
5324 |
break;
|
5325 |
#ifdef __NR_exit_group
|
5326 |
/* new thread calls */
|
5327 |
case TARGET_NR_exit_group:
|
5328 |
#ifdef HAVE_GPROF
|
5329 |
_mcleanup(); |
5330 |
#endif
|
5331 |
gdb_exit(cpu_env, arg1); |
5332 |
ret = get_errno(exit_group(arg1)); |
5333 |
break;
|
5334 |
#endif
|
5335 |
case TARGET_NR_setdomainname:
|
5336 |
if (!(p = lock_user_string(arg1)))
|
5337 |
goto efault;
|
5338 |
ret = get_errno(setdomainname(p, arg2)); |
5339 |
unlock_user(p, arg1, 0);
|
5340 |
break;
|
5341 |
case TARGET_NR_uname:
|
5342 |
/* no need to transcode because we use the linux syscall */
|
5343 |
{ |
5344 |
struct new_utsname * buf;
|
5345 |
|
5346 |
if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
5347 |
goto efault;
|
5348 |
ret = get_errno(sys_uname(buf)); |
5349 |
if (!is_error(ret)) {
|
5350 |
/* Overrite the native machine name with whatever is being
|
5351 |
emulated. */
|
5352 |
strcpy (buf->machine, UNAME_MACHINE); |
5353 |
/* Allow the user to override the reported release. */
|
5354 |
if (qemu_uname_release && *qemu_uname_release)
|
5355 |
strcpy (buf->release, qemu_uname_release); |
5356 |
} |
5357 |
unlock_user_struct(buf, arg1, 1);
|
5358 |
} |
5359 |
break;
|
5360 |
#ifdef TARGET_I386
|
5361 |
case TARGET_NR_modify_ldt:
|
5362 |
ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); |
5363 |
break;
|
5364 |
#if !defined(TARGET_X86_64)
|
5365 |
case TARGET_NR_vm86old:
|
5366 |
goto unimplemented;
|
5367 |
case TARGET_NR_vm86:
|
5368 |
ret = do_vm86(cpu_env, arg1, arg2); |
5369 |
break;
|
5370 |
#endif
|
5371 |
#endif
|
5372 |
case TARGET_NR_adjtimex:
|
5373 |
goto unimplemented;
|
5374 |
#ifdef TARGET_NR_create_module
|
5375 |
case TARGET_NR_create_module:
|
5376 |
#endif
|
5377 |
case TARGET_NR_init_module:
|
5378 |
case TARGET_NR_delete_module:
|
5379 |
#ifdef TARGET_NR_get_kernel_syms
|
5380 |
case TARGET_NR_get_kernel_syms:
|
5381 |
#endif
|
5382 |
goto unimplemented;
|
5383 |
case TARGET_NR_quotactl:
|
5384 |
goto unimplemented;
|
5385 |
case TARGET_NR_getpgid:
|
5386 |
ret = get_errno(getpgid(arg1)); |
5387 |
break;
|
5388 |
case TARGET_NR_fchdir:
|
5389 |
ret = get_errno(fchdir(arg1)); |
5390 |
break;
|
5391 |
#ifdef TARGET_NR_bdflush /* not on x86_64 */ |
5392 |
case TARGET_NR_bdflush:
|
5393 |
goto unimplemented;
|
5394 |
#endif
|
5395 |
#ifdef TARGET_NR_sysfs
|
5396 |
case TARGET_NR_sysfs:
|
5397 |
goto unimplemented;
|
5398 |
#endif
|
5399 |
case TARGET_NR_personality:
|
5400 |
ret = get_errno(personality(arg1)); |
5401 |
break;
|
5402 |
#ifdef TARGET_NR_afs_syscall
|
5403 |
case TARGET_NR_afs_syscall:
|
5404 |
goto unimplemented;
|
5405 |
#endif
|
5406 |
#ifdef TARGET_NR__llseek /* Not on alpha */ |
5407 |
case TARGET_NR__llseek:
|
5408 |
{ |
5409 |
#if defined (__x86_64__)
|
5410 |
ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
|
5411 |
if (put_user_s64(ret, arg4))
|
5412 |
goto efault;
|
5413 |
#else
|
5414 |
int64_t res; |
5415 |
ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
5416 |
if (put_user_s64(res, arg4))
|
5417 |
goto efault;
|
5418 |
#endif
|
5419 |
} |
5420 |
break;
|
5421 |
#endif
|
5422 |
case TARGET_NR_getdents:
|
5423 |
#if TARGET_ABI_BITS != 32 |
5424 |
goto unimplemented;
|
5425 |
#elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
5426 |
{ |
5427 |
struct target_dirent *target_dirp;
|
5428 |
struct linux_dirent *dirp;
|
5429 |
abi_long count = arg3; |
5430 |
|
5431 |
dirp = malloc(count); |
5432 |
if (!dirp) {
|
5433 |
ret = -TARGET_ENOMEM; |
5434 |
goto fail;
|
5435 |
} |
5436 |
|
5437 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
5438 |
if (!is_error(ret)) {
|
5439 |
struct linux_dirent *de;
|
5440 |
struct target_dirent *tde;
|
5441 |
int len = ret;
|
5442 |
int reclen, treclen;
|
5443 |
int count1, tnamelen;
|
5444 |
|
5445 |
count1 = 0;
|
5446 |
de = dirp; |
5447 |
if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
5448 |
goto efault;
|
5449 |
tde = target_dirp; |
5450 |
while (len > 0) { |
5451 |
reclen = de->d_reclen; |
5452 |
treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long))); |
5453 |
tde->d_reclen = tswap16(treclen); |
5454 |
tde->d_ino = tswapl(de->d_ino); |
5455 |
tde->d_off = tswapl(de->d_off); |
5456 |
tnamelen = treclen - (2 * sizeof(abi_long) + 2); |
5457 |
if (tnamelen > 256) |
5458 |
tnamelen = 256;
|
5459 |
/* XXX: may not be correct */
|
5460 |
pstrcpy(tde->d_name, tnamelen, de->d_name); |
5461 |
de = (struct linux_dirent *)((char *)de + reclen); |
5462 |
len -= reclen; |
5463 |
tde = (struct target_dirent *)((char *)tde + treclen); |
5464 |
count1 += treclen; |
5465 |
} |
5466 |
ret = count1; |
5467 |
unlock_user(target_dirp, arg2, ret); |
5468 |
} |
5469 |
free(dirp); |
5470 |
} |
5471 |
#else
|
5472 |
{ |
5473 |
struct linux_dirent *dirp;
|
5474 |
abi_long count = arg3; |
5475 |
|
5476 |
if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
5477 |
goto efault;
|
5478 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
5479 |
if (!is_error(ret)) {
|
5480 |
struct linux_dirent *de;
|
5481 |
int len = ret;
|
5482 |
int reclen;
|
5483 |
de = dirp; |
5484 |
while (len > 0) { |
5485 |
reclen = de->d_reclen; |
5486 |
if (reclen > len)
|
5487 |
break;
|
5488 |
de->d_reclen = tswap16(reclen); |
5489 |
tswapls(&de->d_ino); |
5490 |
tswapls(&de->d_off); |
5491 |
de = (struct linux_dirent *)((char *)de + reclen); |
5492 |
len -= reclen; |
5493 |
} |
5494 |
} |
5495 |
unlock_user(dirp, arg2, ret); |
5496 |
} |
5497 |
#endif
|
5498 |
break;
|
5499 |
#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
|
5500 |
case TARGET_NR_getdents64:
|
5501 |
{ |
5502 |
struct linux_dirent64 *dirp;
|
5503 |
abi_long count = arg3; |
5504 |
if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
5505 |
goto efault;
|
5506 |
ret = get_errno(sys_getdents64(arg1, dirp, count)); |
5507 |
if (!is_error(ret)) {
|
5508 |
struct linux_dirent64 *de;
|
5509 |
int len = ret;
|
5510 |
int reclen;
|
5511 |
de = dirp; |
5512 |
while (len > 0) { |
5513 |
reclen = de->d_reclen; |
5514 |
if (reclen > len)
|
5515 |
break;
|
5516 |
de->d_reclen = tswap16(reclen); |
5517 |
tswap64s((uint64_t *)&de->d_ino); |
5518 |
tswap64s((uint64_t *)&de->d_off); |
5519 |
de = (struct linux_dirent64 *)((char *)de + reclen); |
5520 |
len -= reclen; |
5521 |
} |
5522 |
} |
5523 |
unlock_user(dirp, arg2, ret); |
5524 |
} |
5525 |
break;
|
5526 |
#endif /* TARGET_NR_getdents64 */ |
5527 |
#ifdef TARGET_NR__newselect
|
5528 |
case TARGET_NR__newselect:
|
5529 |
ret = do_select(arg1, arg2, arg3, arg4, arg5); |
5530 |
break;
|
5531 |
#endif
|
5532 |
#ifdef TARGET_NR_poll
|
5533 |
case TARGET_NR_poll:
|
5534 |
{ |
5535 |
struct target_pollfd *target_pfd;
|
5536 |
unsigned int nfds = arg2; |
5537 |
int timeout = arg3;
|
5538 |
struct pollfd *pfd;
|
5539 |
unsigned int i; |
5540 |
|
5541 |
target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); |
5542 |
if (!target_pfd)
|
5543 |
goto efault;
|
5544 |
pfd = alloca(sizeof(struct pollfd) * nfds); |
5545 |
for(i = 0; i < nfds; i++) { |
5546 |
pfd[i].fd = tswap32(target_pfd[i].fd); |
5547 |
pfd[i].events = tswap16(target_pfd[i].events); |
5548 |
} |
5549 |
ret = get_errno(poll(pfd, nfds, timeout)); |
5550 |
if (!is_error(ret)) {
|
5551 |
for(i = 0; i < nfds; i++) { |
5552 |
target_pfd[i].revents = tswap16(pfd[i].revents); |
5553 |
} |
5554 |
ret += nfds * (sizeof(struct target_pollfd) |
5555 |
- sizeof(struct pollfd)); |
5556 |
} |
5557 |
unlock_user(target_pfd, arg1, ret); |
5558 |
} |
5559 |
break;
|
5560 |
#endif
|
5561 |
case TARGET_NR_flock:
|
5562 |
/* NOTE: the flock constant seems to be the same for every
|
5563 |
Linux platform */
|
5564 |
ret = get_errno(flock(arg1, arg2)); |
5565 |
break;
|
5566 |
case TARGET_NR_readv:
|
5567 |
{ |
5568 |
int count = arg3;
|
5569 |
struct iovec *vec;
|
5570 |
|
5571 |
vec = alloca(count * sizeof(struct iovec)); |
5572 |
if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0) |
5573 |
goto efault;
|
5574 |
ret = get_errno(readv(arg1, vec, count)); |
5575 |
unlock_iovec(vec, arg2, count, 1);
|
5576 |
} |
5577 |
break;
|
5578 |
case TARGET_NR_writev:
|
5579 |
{ |
5580 |
int count = arg3;
|
5581 |
struct iovec *vec;
|
5582 |
|
5583 |
vec = alloca(count * sizeof(struct iovec)); |
5584 |
if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0) |
5585 |
goto efault;
|
5586 |
ret = get_errno(writev(arg1, vec, count)); |
5587 |
unlock_iovec(vec, arg2, count, 0);
|
5588 |
} |
5589 |
break;
|
5590 |
case TARGET_NR_getsid:
|
5591 |
ret = get_errno(getsid(arg1)); |
5592 |
break;
|
5593 |
#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
5594 |
case TARGET_NR_fdatasync:
|
5595 |
ret = get_errno(fdatasync(arg1)); |
5596 |
break;
|
5597 |
#endif
|
5598 |
case TARGET_NR__sysctl:
|
5599 |
/* We don't implement this, but ENOTDIR is always a safe
|
5600 |
return value. */
|
5601 |
ret = -TARGET_ENOTDIR; |
5602 |
break;
|
5603 |
case TARGET_NR_sched_setparam:
|
5604 |
{ |
5605 |
struct sched_param *target_schp;
|
5606 |
struct sched_param schp;
|
5607 |
|
5608 |
if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
5609 |
goto efault;
|
5610 |
schp.sched_priority = tswap32(target_schp->sched_priority); |
5611 |
unlock_user_struct(target_schp, arg2, 0);
|
5612 |
ret = get_errno(sched_setparam(arg1, &schp)); |
5613 |
} |
5614 |
break;
|
5615 |
case TARGET_NR_sched_getparam:
|
5616 |
{ |
5617 |
struct sched_param *target_schp;
|
5618 |
struct sched_param schp;
|
5619 |
ret = get_errno(sched_getparam(arg1, &schp)); |
5620 |
if (!is_error(ret)) {
|
5621 |
if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
5622 |
goto efault;
|
5623 |
target_schp->sched_priority = tswap32(schp.sched_priority); |
5624 |
unlock_user_struct(target_schp, arg2, 1);
|
5625 |
} |
5626 |
} |
5627 |
break;
|
5628 |
case TARGET_NR_sched_setscheduler:
|
5629 |
{ |
5630 |
struct sched_param *target_schp;
|
5631 |
struct sched_param schp;
|
5632 |
if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
5633 |
goto efault;
|
5634 |
schp.sched_priority = tswap32(target_schp->sched_priority); |
5635 |
unlock_user_struct(target_schp, arg3, 0);
|
5636 |
ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
5637 |
} |
5638 |
break;
|
5639 |
case TARGET_NR_sched_getscheduler:
|
5640 |
ret = get_errno(sched_getscheduler(arg1)); |
5641 |
break;
|
5642 |
case TARGET_NR_sched_yield:
|
5643 |
ret = get_errno(sched_yield()); |
5644 |
break;
|
5645 |
case TARGET_NR_sched_get_priority_max:
|
5646 |
ret = get_errno(sched_get_priority_max(arg1)); |
5647 |
break;
|
5648 |
case TARGET_NR_sched_get_priority_min:
|
5649 |
ret = get_errno(sched_get_priority_min(arg1)); |
5650 |
break;
|
5651 |
case TARGET_NR_sched_rr_get_interval:
|
5652 |
{ |
5653 |
struct timespec ts;
|
5654 |
ret = get_errno(sched_rr_get_interval(arg1, &ts)); |
5655 |
if (!is_error(ret)) {
|
5656 |
host_to_target_timespec(arg2, &ts); |
5657 |
} |
5658 |
} |
5659 |
break;
|
5660 |
case TARGET_NR_nanosleep:
|
5661 |
{ |
5662 |
struct timespec req, rem;
|
5663 |
target_to_host_timespec(&req, arg1); |
5664 |
ret = get_errno(nanosleep(&req, &rem)); |
5665 |
if (is_error(ret) && arg2) {
|
5666 |
host_to_target_timespec(arg2, &rem); |
5667 |
} |
5668 |
} |
5669 |
break;
|
5670 |
#ifdef TARGET_NR_query_module
|
5671 |
case TARGET_NR_query_module:
|
5672 |
goto unimplemented;
|
5673 |
#endif
|
5674 |
#ifdef TARGET_NR_nfsservctl
|
5675 |
case TARGET_NR_nfsservctl:
|
5676 |
goto unimplemented;
|
5677 |
#endif
|
5678 |
case TARGET_NR_prctl:
|
5679 |
switch (arg1)
|
5680 |
{ |
5681 |
case PR_GET_PDEATHSIG:
|
5682 |
{ |
5683 |
int deathsig;
|
5684 |
ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); |
5685 |
if (!is_error(ret) && arg2
|
5686 |
&& put_user_ual(deathsig, arg2)) |
5687 |
goto efault;
|
5688 |
} |
5689 |
break;
|
5690 |
default:
|
5691 |
ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); |
5692 |
break;
|
5693 |
} |
5694 |
break;
|
5695 |
#ifdef TARGET_NR_arch_prctl
|
5696 |
case TARGET_NR_arch_prctl:
|
5697 |
#if defined(TARGET_I386) && !defined(TARGET_ABI32)
|
5698 |
ret = do_arch_prctl(cpu_env, arg1, arg2); |
5699 |
break;
|
5700 |
#else
|
5701 |
goto unimplemented;
|
5702 |
#endif
|
5703 |
#endif
|
5704 |
#ifdef TARGET_NR_pread
|
5705 |
case TARGET_NR_pread:
|
5706 |
#ifdef TARGET_ARM
|
5707 |
if (((CPUARMState *)cpu_env)->eabi)
|
5708 |
arg4 = arg5; |
5709 |
#endif
|
5710 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
5711 |
goto efault;
|
5712 |
ret = get_errno(pread(arg1, p, arg3, arg4)); |
5713 |
unlock_user(p, arg2, ret); |
5714 |
break;
|
5715 |
case TARGET_NR_pwrite:
|
5716 |
#ifdef TARGET_ARM
|
5717 |
if (((CPUARMState *)cpu_env)->eabi)
|
5718 |
arg4 = arg5; |
5719 |
#endif
|
5720 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
5721 |
goto efault;
|
5722 |
ret = get_errno(pwrite(arg1, p, arg3, arg4)); |
5723 |
unlock_user(p, arg2, 0);
|
5724 |
break;
|
5725 |
#endif
|
5726 |
#ifdef TARGET_NR_pread64
|
5727 |
case TARGET_NR_pread64:
|
5728 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
5729 |
goto efault;
|
5730 |
ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); |
5731 |
unlock_user(p, arg2, ret); |
5732 |
break;
|
5733 |
case TARGET_NR_pwrite64:
|
5734 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
5735 |
goto efault;
|
5736 |
ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); |
5737 |
unlock_user(p, arg2, 0);
|
5738 |
break;
|
5739 |
#endif
|
5740 |
case TARGET_NR_getcwd:
|
5741 |
if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
5742 |
goto efault;
|
5743 |
ret = get_errno(sys_getcwd1(p, arg2)); |
5744 |
unlock_user(p, arg1, ret); |
5745 |
break;
|
5746 |
case TARGET_NR_capget:
|
5747 |
goto unimplemented;
|
5748 |
case TARGET_NR_capset:
|
5749 |
goto unimplemented;
|
5750 |
case TARGET_NR_sigaltstack:
|
5751 |
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
|
5752 |
defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) |
5753 |
ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env)); |
5754 |
break;
|
5755 |
#else
|
5756 |
goto unimplemented;
|
5757 |
#endif
|
5758 |
case TARGET_NR_sendfile:
|
5759 |
goto unimplemented;
|
5760 |
#ifdef TARGET_NR_getpmsg
|
5761 |
case TARGET_NR_getpmsg:
|
5762 |
goto unimplemented;
|
5763 |
#endif
|
5764 |
#ifdef TARGET_NR_putpmsg
|
5765 |
case TARGET_NR_putpmsg:
|
5766 |
goto unimplemented;
|
5767 |
#endif
|
5768 |
#ifdef TARGET_NR_vfork
|
5769 |
case TARGET_NR_vfork:
|
5770 |
ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, |
5771 |
0, 0, 0, 0)); |
5772 |
break;
|
5773 |
#endif
|
5774 |
#ifdef TARGET_NR_ugetrlimit
|
5775 |
case TARGET_NR_ugetrlimit:
|
5776 |
{ |
5777 |
struct rlimit rlim;
|
5778 |
ret = get_errno(getrlimit(arg1, &rlim)); |
5779 |
if (!is_error(ret)) {
|
5780 |
struct target_rlimit *target_rlim;
|
5781 |
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
5782 |
goto efault;
|
5783 |
target_rlim->rlim_cur = tswapl(rlim.rlim_cur); |
5784 |
target_rlim->rlim_max = tswapl(rlim.rlim_max); |
5785 |
unlock_user_struct(target_rlim, arg2, 1);
|
5786 |
} |
5787 |
break;
|
5788 |
} |
5789 |
#endif
|
5790 |
#ifdef TARGET_NR_truncate64
|
5791 |
case TARGET_NR_truncate64:
|
5792 |
if (!(p = lock_user_string(arg1)))
|
5793 |
goto efault;
|
5794 |
ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
5795 |
unlock_user(p, arg1, 0);
|
5796 |
break;
|
5797 |
#endif
|
5798 |
#ifdef TARGET_NR_ftruncate64
|
5799 |
case TARGET_NR_ftruncate64:
|
5800 |
ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
5801 |
break;
|
5802 |
#endif
|
5803 |
#ifdef TARGET_NR_stat64
|
5804 |
case TARGET_NR_stat64:
|
5805 |
if (!(p = lock_user_string(arg1)))
|
5806 |
goto efault;
|
5807 |
ret = get_errno(stat(path(p), &st)); |
5808 |
unlock_user(p, arg1, 0);
|
5809 |
if (!is_error(ret))
|
5810 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
5811 |
break;
|
5812 |
#endif
|
5813 |
#ifdef TARGET_NR_lstat64
|
5814 |
case TARGET_NR_lstat64:
|
5815 |
if (!(p = lock_user_string(arg1)))
|
5816 |
goto efault;
|
5817 |
ret = get_errno(lstat(path(p), &st)); |
5818 |
unlock_user(p, arg1, 0);
|
5819 |
if (!is_error(ret))
|
5820 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
5821 |
break;
|
5822 |
#endif
|
5823 |
#ifdef TARGET_NR_fstat64
|
5824 |
case TARGET_NR_fstat64:
|
5825 |
ret = get_errno(fstat(arg1, &st)); |
5826 |
if (!is_error(ret))
|
5827 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
5828 |
break;
|
5829 |
#endif
|
5830 |
#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
|
5831 |
(defined(__NR_fstatat64) || defined(__NR_newfstatat)) |
5832 |
#ifdef TARGET_NR_fstatat64
|
5833 |
case TARGET_NR_fstatat64:
|
5834 |
#endif
|
5835 |
#ifdef TARGET_NR_newfstatat
|
5836 |
case TARGET_NR_newfstatat:
|
5837 |
#endif
|
5838 |
if (!(p = lock_user_string(arg2)))
|
5839 |
goto efault;
|
5840 |
#ifdef __NR_fstatat64
|
5841 |
ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4)); |
5842 |
#else
|
5843 |
ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4)); |
5844 |
#endif
|
5845 |
if (!is_error(ret))
|
5846 |
ret = host_to_target_stat64(cpu_env, arg3, &st); |
5847 |
break;
|
5848 |
#endif
|
5849 |
#ifdef USE_UID16
|
5850 |
case TARGET_NR_lchown:
|
5851 |
if (!(p = lock_user_string(arg1)))
|
5852 |
goto efault;
|
5853 |
ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
5854 |
unlock_user(p, arg1, 0);
|
5855 |
break;
|
5856 |
case TARGET_NR_getuid:
|
5857 |
ret = get_errno(high2lowuid(getuid())); |
5858 |
break;
|
5859 |
case TARGET_NR_getgid:
|
5860 |
ret = get_errno(high2lowgid(getgid())); |
5861 |
break;
|
5862 |
case TARGET_NR_geteuid:
|
5863 |
ret = get_errno(high2lowuid(geteuid())); |
5864 |
break;
|
5865 |
case TARGET_NR_getegid:
|
5866 |
ret = get_errno(high2lowgid(getegid())); |
5867 |
break;
|
5868 |
case TARGET_NR_setreuid:
|
5869 |
ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
5870 |
break;
|
5871 |
case TARGET_NR_setregid:
|
5872 |
ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
5873 |
break;
|
5874 |
case TARGET_NR_getgroups:
|
5875 |
{ |
5876 |
int gidsetsize = arg1;
|
5877 |
uint16_t *target_grouplist; |
5878 |
gid_t *grouplist; |
5879 |
int i;
|
5880 |
|
5881 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
5882 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
5883 |
if (gidsetsize == 0) |
5884 |
break;
|
5885 |
if (!is_error(ret)) {
|
5886 |
target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0); |
5887 |
if (!target_grouplist)
|
5888 |
goto efault;
|
5889 |
for(i = 0;i < ret; i++) |
5890 |
target_grouplist[i] = tswap16(grouplist[i]); |
5891 |
unlock_user(target_grouplist, arg2, gidsetsize * 2);
|
5892 |
} |
5893 |
} |
5894 |
break;
|
5895 |
case TARGET_NR_setgroups:
|
5896 |
{ |
5897 |
int gidsetsize = arg1;
|
5898 |
uint16_t *target_grouplist; |
5899 |
gid_t *grouplist; |
5900 |
int i;
|
5901 |
|
5902 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
5903 |
target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1); |
5904 |
if (!target_grouplist) {
|
5905 |
ret = -TARGET_EFAULT; |
5906 |
goto fail;
|
5907 |
} |
5908 |
for(i = 0;i < gidsetsize; i++) |
5909 |
grouplist[i] = tswap16(target_grouplist[i]); |
5910 |
unlock_user(target_grouplist, arg2, 0);
|
5911 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
5912 |
} |
5913 |
break;
|
5914 |
case TARGET_NR_fchown:
|
5915 |
ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
5916 |
break;
|
5917 |
#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
|
5918 |
case TARGET_NR_fchownat:
|
5919 |
if (!(p = lock_user_string(arg2)))
|
5920 |
goto efault;
|
5921 |
ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); |
5922 |
unlock_user(p, arg2, 0);
|
5923 |
break;
|
5924 |
#endif
|
5925 |
#ifdef TARGET_NR_setresuid
|
5926 |
case TARGET_NR_setresuid:
|
5927 |
ret = get_errno(setresuid(low2highuid(arg1), |
5928 |
low2highuid(arg2), |
5929 |
low2highuid(arg3))); |
5930 |
break;
|
5931 |
#endif
|
5932 |
#ifdef TARGET_NR_getresuid
|
5933 |
case TARGET_NR_getresuid:
|
5934 |
{ |
5935 |
uid_t ruid, euid, suid; |
5936 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
5937 |
if (!is_error(ret)) {
|
5938 |
if (put_user_u16(high2lowuid(ruid), arg1)
|
5939 |
|| put_user_u16(high2lowuid(euid), arg2) |
5940 |
|| put_user_u16(high2lowuid(suid), arg3)) |
5941 |
goto efault;
|
5942 |
} |
5943 |
} |
5944 |
break;
|
5945 |
#endif
|
5946 |
#ifdef TARGET_NR_getresgid
|
5947 |
case TARGET_NR_setresgid:
|
5948 |
ret = get_errno(setresgid(low2highgid(arg1), |
5949 |
low2highgid(arg2), |
5950 |
low2highgid(arg3))); |
5951 |
break;
|
5952 |
#endif
|
5953 |
#ifdef TARGET_NR_getresgid
|
5954 |
case TARGET_NR_getresgid:
|
5955 |
{ |
5956 |
gid_t rgid, egid, sgid; |
5957 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
5958 |
if (!is_error(ret)) {
|
5959 |
if (put_user_u16(high2lowgid(rgid), arg1)
|
5960 |
|| put_user_u16(high2lowgid(egid), arg2) |
5961 |
|| put_user_u16(high2lowgid(sgid), arg3)) |
5962 |
goto efault;
|
5963 |
} |
5964 |
} |
5965 |
break;
|
5966 |
#endif
|
5967 |
case TARGET_NR_chown:
|
5968 |
if (!(p = lock_user_string(arg1)))
|
5969 |
goto efault;
|
5970 |
ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
5971 |
unlock_user(p, arg1, 0);
|
5972 |
break;
|
5973 |
case TARGET_NR_setuid:
|
5974 |
ret = get_errno(setuid(low2highuid(arg1))); |
5975 |
break;
|
5976 |
case TARGET_NR_setgid:
|
5977 |
ret = get_errno(setgid(low2highgid(arg1))); |
5978 |
break;
|
5979 |
case TARGET_NR_setfsuid:
|
5980 |
ret = get_errno(setfsuid(arg1)); |
5981 |
break;
|
5982 |
case TARGET_NR_setfsgid:
|
5983 |
ret = get_errno(setfsgid(arg1)); |
5984 |
break;
|
5985 |
#endif /* USE_UID16 */ |
5986 |
|
5987 |
#ifdef TARGET_NR_lchown32
|
5988 |
case TARGET_NR_lchown32:
|
5989 |
if (!(p = lock_user_string(arg1)))
|
5990 |
goto efault;
|
5991 |
ret = get_errno(lchown(p, arg2, arg3)); |
5992 |
unlock_user(p, arg1, 0);
|
5993 |
break;
|
5994 |
#endif
|
5995 |
#ifdef TARGET_NR_getuid32
|
5996 |
case TARGET_NR_getuid32:
|
5997 |
ret = get_errno(getuid()); |
5998 |
break;
|
5999 |
#endif
|
6000 |
|
6001 |
#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
|
6002 |
/* Alpha specific */
|
6003 |
case TARGET_NR_getxuid:
|
6004 |
{ |
6005 |
uid_t euid; |
6006 |
euid=geteuid(); |
6007 |
((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; |
6008 |
} |
6009 |
ret = get_errno(getuid()); |
6010 |
break;
|
6011 |
#endif
|
6012 |
#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
|
6013 |
/* Alpha specific */
|
6014 |
case TARGET_NR_getxgid:
|
6015 |
{ |
6016 |
uid_t egid; |
6017 |
egid=getegid(); |
6018 |
((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; |
6019 |
} |
6020 |
ret = get_errno(getgid()); |
6021 |
break;
|
6022 |
#endif
|
6023 |
|
6024 |
#ifdef TARGET_NR_getgid32
|
6025 |
case TARGET_NR_getgid32:
|
6026 |
ret = get_errno(getgid()); |
6027 |
break;
|
6028 |
#endif
|
6029 |
#ifdef TARGET_NR_geteuid32
|
6030 |
case TARGET_NR_geteuid32:
|
6031 |
ret = get_errno(geteuid()); |
6032 |
break;
|
6033 |
#endif
|
6034 |
#ifdef TARGET_NR_getegid32
|
6035 |
case TARGET_NR_getegid32:
|
6036 |
ret = get_errno(getegid()); |
6037 |
break;
|
6038 |
#endif
|
6039 |
#ifdef TARGET_NR_setreuid32
|
6040 |
case TARGET_NR_setreuid32:
|
6041 |
ret = get_errno(setreuid(arg1, arg2)); |
6042 |
break;
|
6043 |
#endif
|
6044 |
#ifdef TARGET_NR_setregid32
|
6045 |
case TARGET_NR_setregid32:
|
6046 |
ret = get_errno(setregid(arg1, arg2)); |
6047 |
break;
|
6048 |
#endif
|
6049 |
#ifdef TARGET_NR_getgroups32
|
6050 |
case TARGET_NR_getgroups32:
|
6051 |
{ |
6052 |
int gidsetsize = arg1;
|
6053 |
uint32_t *target_grouplist; |
6054 |
gid_t *grouplist; |
6055 |
int i;
|
6056 |
|
6057 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
6058 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
6059 |
if (gidsetsize == 0) |
6060 |
break;
|
6061 |
if (!is_error(ret)) {
|
6062 |
target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
6063 |
if (!target_grouplist) {
|
6064 |
ret = -TARGET_EFAULT; |
6065 |
goto fail;
|
6066 |
} |
6067 |
for(i = 0;i < ret; i++) |
6068 |
target_grouplist[i] = tswap32(grouplist[i]); |
6069 |
unlock_user(target_grouplist, arg2, gidsetsize * 4);
|
6070 |
} |
6071 |
} |
6072 |
break;
|
6073 |
#endif
|
6074 |
#ifdef TARGET_NR_setgroups32
|
6075 |
case TARGET_NR_setgroups32:
|
6076 |
{ |
6077 |
int gidsetsize = arg1;
|
6078 |
uint32_t *target_grouplist; |
6079 |
gid_t *grouplist; |
6080 |
int i;
|
6081 |
|
6082 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
6083 |
target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
6084 |
if (!target_grouplist) {
|
6085 |
ret = -TARGET_EFAULT; |
6086 |
goto fail;
|
6087 |
} |
6088 |
for(i = 0;i < gidsetsize; i++) |
6089 |
grouplist[i] = tswap32(target_grouplist[i]); |
6090 |
unlock_user(target_grouplist, arg2, 0);
|
6091 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
6092 |
} |
6093 |
break;
|
6094 |
#endif
|
6095 |
#ifdef TARGET_NR_fchown32
|
6096 |
case TARGET_NR_fchown32:
|
6097 |
ret = get_errno(fchown(arg1, arg2, arg3)); |
6098 |
break;
|
6099 |
#endif
|
6100 |
#ifdef TARGET_NR_setresuid32
|
6101 |
case TARGET_NR_setresuid32:
|
6102 |
ret = get_errno(setresuid(arg1, arg2, arg3)); |
6103 |
break;
|
6104 |
#endif
|
6105 |
#ifdef TARGET_NR_getresuid32
|
6106 |
case TARGET_NR_getresuid32:
|
6107 |
{ |
6108 |
uid_t ruid, euid, suid; |
6109 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
6110 |
if (!is_error(ret)) {
|
6111 |
if (put_user_u32(ruid, arg1)
|
6112 |
|| put_user_u32(euid, arg2) |
6113 |
|| put_user_u32(suid, arg3)) |
6114 |
goto efault;
|
6115 |
} |
6116 |
} |
6117 |
break;
|
6118 |
#endif
|
6119 |
#ifdef TARGET_NR_setresgid32
|
6120 |
case TARGET_NR_setresgid32:
|
6121 |
ret = get_errno(setresgid(arg1, arg2, arg3)); |
6122 |
break;
|
6123 |
#endif
|
6124 |
#ifdef TARGET_NR_getresgid32
|
6125 |
case TARGET_NR_getresgid32:
|
6126 |
{ |
6127 |
gid_t rgid, egid, sgid; |
6128 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
6129 |
if (!is_error(ret)) {
|
6130 |
if (put_user_u32(rgid, arg1)
|
6131 |
|| put_user_u32(egid, arg2) |
6132 |
|| put_user_u32(sgid, arg3)) |
6133 |
goto efault;
|
6134 |
} |
6135 |
} |
6136 |
break;
|
6137 |
#endif
|
6138 |
#ifdef TARGET_NR_chown32
|
6139 |
case TARGET_NR_chown32:
|
6140 |
if (!(p = lock_user_string(arg1)))
|
6141 |
goto efault;
|
6142 |
ret = get_errno(chown(p, arg2, arg3)); |
6143 |
unlock_user(p, arg1, 0);
|
6144 |
break;
|
6145 |
#endif
|
6146 |
#ifdef TARGET_NR_setuid32
|
6147 |
case TARGET_NR_setuid32:
|
6148 |
ret = get_errno(setuid(arg1)); |
6149 |
break;
|
6150 |
#endif
|
6151 |
#ifdef TARGET_NR_setgid32
|
6152 |
case TARGET_NR_setgid32:
|
6153 |
ret = get_errno(setgid(arg1)); |
6154 |
break;
|
6155 |
#endif
|
6156 |
#ifdef TARGET_NR_setfsuid32
|
6157 |
case TARGET_NR_setfsuid32:
|
6158 |
ret = get_errno(setfsuid(arg1)); |
6159 |
break;
|
6160 |
#endif
|
6161 |
#ifdef TARGET_NR_setfsgid32
|
6162 |
case TARGET_NR_setfsgid32:
|
6163 |
ret = get_errno(setfsgid(arg1)); |
6164 |
break;
|
6165 |
#endif
|
6166 |
|
6167 |
case TARGET_NR_pivot_root:
|
6168 |
goto unimplemented;
|
6169 |
#ifdef TARGET_NR_mincore
|
6170 |
case TARGET_NR_mincore:
|
6171 |
{ |
6172 |
void *a;
|
6173 |
ret = -TARGET_EFAULT; |
6174 |
if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0))) |
6175 |
goto efault;
|
6176 |
if (!(p = lock_user_string(arg3)))
|
6177 |
goto mincore_fail;
|
6178 |
ret = get_errno(mincore(a, arg2, p)); |
6179 |
unlock_user(p, arg3, ret); |
6180 |
mincore_fail:
|
6181 |
unlock_user(a, arg1, 0);
|
6182 |
} |
6183 |
break;
|
6184 |
#endif
|
6185 |
#ifdef TARGET_NR_arm_fadvise64_64
|
6186 |
case TARGET_NR_arm_fadvise64_64:
|
6187 |
{ |
6188 |
/*
|
6189 |
* arm_fadvise64_64 looks like fadvise64_64 but
|
6190 |
* with different argument order
|
6191 |
*/
|
6192 |
abi_long temp; |
6193 |
temp = arg3; |
6194 |
arg3 = arg4; |
6195 |
arg4 = temp; |
6196 |
} |
6197 |
#endif
|
6198 |
#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
|
6199 |
#ifdef TARGET_NR_fadvise64_64
|
6200 |
case TARGET_NR_fadvise64_64:
|
6201 |
#endif
|
6202 |
/* This is a hint, so ignoring and returning success is ok. */
|
6203 |
ret = get_errno(0);
|
6204 |
break;
|
6205 |
#endif
|
6206 |
#ifdef TARGET_NR_madvise
|
6207 |
case TARGET_NR_madvise:
|
6208 |
/* A straight passthrough may not be safe because qemu sometimes
|
6209 |
turns private flie-backed mappings into anonymous mappings.
|
6210 |
This will break MADV_DONTNEED.
|
6211 |
This is a hint, so ignoring and returning success is ok. */
|
6212 |
ret = get_errno(0);
|
6213 |
break;
|
6214 |
#endif
|
6215 |
#if TARGET_ABI_BITS == 32 |
6216 |
case TARGET_NR_fcntl64:
|
6217 |
{ |
6218 |
int cmd;
|
6219 |
struct flock64 fl;
|
6220 |
struct target_flock64 *target_fl;
|
6221 |
#ifdef TARGET_ARM
|
6222 |
struct target_eabi_flock64 *target_efl;
|
6223 |
#endif
|
6224 |
|
6225 |
switch(arg2){
|
6226 |
case TARGET_F_GETLK64:
|
6227 |
cmd = F_GETLK64; |
6228 |
break;
|
6229 |
case TARGET_F_SETLK64:
|
6230 |
cmd = F_SETLK64; |
6231 |
break;
|
6232 |
case TARGET_F_SETLKW64:
|
6233 |
cmd = F_SETLK64; |
6234 |
break;
|
6235 |
default:
|
6236 |
cmd = arg2; |
6237 |
break;
|
6238 |
} |
6239 |
|
6240 |
switch(arg2) {
|
6241 |
case TARGET_F_GETLK64:
|
6242 |
#ifdef TARGET_ARM
|
6243 |
if (((CPUARMState *)cpu_env)->eabi) {
|
6244 |
if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
6245 |
goto efault;
|
6246 |
fl.l_type = tswap16(target_efl->l_type); |
6247 |
fl.l_whence = tswap16(target_efl->l_whence); |
6248 |
fl.l_start = tswap64(target_efl->l_start); |
6249 |
fl.l_len = tswap64(target_efl->l_len); |
6250 |
fl.l_pid = tswapl(target_efl->l_pid); |
6251 |
unlock_user_struct(target_efl, arg3, 0);
|
6252 |
} else
|
6253 |
#endif
|
6254 |
{ |
6255 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
6256 |
goto efault;
|
6257 |
fl.l_type = tswap16(target_fl->l_type); |
6258 |
fl.l_whence = tswap16(target_fl->l_whence); |
6259 |
fl.l_start = tswap64(target_fl->l_start); |
6260 |
fl.l_len = tswap64(target_fl->l_len); |
6261 |
fl.l_pid = tswapl(target_fl->l_pid); |
6262 |
unlock_user_struct(target_fl, arg3, 0);
|
6263 |
} |
6264 |
ret = get_errno(fcntl(arg1, cmd, &fl)); |
6265 |
if (ret == 0) { |
6266 |
#ifdef TARGET_ARM
|
6267 |
if (((CPUARMState *)cpu_env)->eabi) {
|
6268 |
if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0)) |
6269 |
goto efault;
|
6270 |
target_efl->l_type = tswap16(fl.l_type); |
6271 |
target_efl->l_whence = tswap16(fl.l_whence); |
6272 |
target_efl->l_start = tswap64(fl.l_start); |
6273 |
target_efl->l_len = tswap64(fl.l_len); |
6274 |
target_efl->l_pid = tswapl(fl.l_pid); |
6275 |
unlock_user_struct(target_efl, arg3, 1);
|
6276 |
} else
|
6277 |
#endif
|
6278 |
{ |
6279 |
if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) |
6280 |
goto efault;
|
6281 |
target_fl->l_type = tswap16(fl.l_type); |
6282 |
target_fl->l_whence = tswap16(fl.l_whence); |
6283 |
target_fl->l_start = tswap64(fl.l_start); |
6284 |
target_fl->l_len = tswap64(fl.l_len); |
6285 |
target_fl->l_pid = tswapl(fl.l_pid); |
6286 |
unlock_user_struct(target_fl, arg3, 1);
|
6287 |
} |
6288 |
} |
6289 |
break;
|
6290 |
|
6291 |
case TARGET_F_SETLK64:
|
6292 |
case TARGET_F_SETLKW64:
|
6293 |
#ifdef TARGET_ARM
|
6294 |
if (((CPUARMState *)cpu_env)->eabi) {
|
6295 |
if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
6296 |
goto efault;
|
6297 |
fl.l_type = tswap16(target_efl->l_type); |
6298 |
fl.l_whence = tswap16(target_efl->l_whence); |
6299 |
fl.l_start = tswap64(target_efl->l_start); |
6300 |
fl.l_len = tswap64(target_efl->l_len); |
6301 |
fl.l_pid = tswapl(target_efl->l_pid); |
6302 |
unlock_user_struct(target_efl, arg3, 0);
|
6303 |
} else
|
6304 |
#endif
|
6305 |
{ |
6306 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
6307 |
goto efault;
|
6308 |
fl.l_type = tswap16(target_fl->l_type); |
6309 |
fl.l_whence = tswap16(target_fl->l_whence); |
6310 |
fl.l_start = tswap64(target_fl->l_start); |
6311 |
fl.l_len = tswap64(target_fl->l_len); |
6312 |
fl.l_pid = tswapl(target_fl->l_pid); |
6313 |
unlock_user_struct(target_fl, arg3, 0);
|
6314 |
} |
6315 |
ret = get_errno(fcntl(arg1, cmd, &fl)); |
6316 |
break;
|
6317 |
default:
|
6318 |
ret = do_fcntl(arg1, cmd, arg3); |
6319 |
break;
|
6320 |
} |
6321 |
break;
|
6322 |
} |
6323 |
#endif
|
6324 |
#ifdef TARGET_NR_cacheflush
|
6325 |
case TARGET_NR_cacheflush:
|
6326 |
/* self-modifying code is handled automatically, so nothing needed */
|
6327 |
ret = 0;
|
6328 |
break;
|
6329 |
#endif
|
6330 |
#ifdef TARGET_NR_security
|
6331 |
case TARGET_NR_security:
|
6332 |
goto unimplemented;
|
6333 |
#endif
|
6334 |
#ifdef TARGET_NR_getpagesize
|
6335 |
case TARGET_NR_getpagesize:
|
6336 |
ret = TARGET_PAGE_SIZE; |
6337 |
break;
|
6338 |
#endif
|
6339 |
case TARGET_NR_gettid:
|
6340 |
ret = get_errno(gettid()); |
6341 |
break;
|
6342 |
#ifdef TARGET_NR_readahead
|
6343 |
case TARGET_NR_readahead:
|
6344 |
#if TARGET_ABI_BITS == 32 |
6345 |
#ifdef TARGET_ARM
|
6346 |
if (((CPUARMState *)cpu_env)->eabi)
|
6347 |
{ |
6348 |
arg2 = arg3; |
6349 |
arg3 = arg4; |
6350 |
arg4 = arg5; |
6351 |
} |
6352 |
#endif
|
6353 |
ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
|
6354 |
#else
|
6355 |
ret = get_errno(readahead(arg1, arg2, arg3)); |
6356 |
#endif
|
6357 |
break;
|
6358 |
#endif
|
6359 |
#ifdef TARGET_NR_setxattr
|
6360 |
case TARGET_NR_setxattr:
|
6361 |
case TARGET_NR_lsetxattr:
|
6362 |
case TARGET_NR_fsetxattr:
|
6363 |
case TARGET_NR_getxattr:
|
6364 |
case TARGET_NR_lgetxattr:
|
6365 |
case TARGET_NR_fgetxattr:
|
6366 |
case TARGET_NR_listxattr:
|
6367 |
case TARGET_NR_llistxattr:
|
6368 |
case TARGET_NR_flistxattr:
|
6369 |
case TARGET_NR_removexattr:
|
6370 |
case TARGET_NR_lremovexattr:
|
6371 |
case TARGET_NR_fremovexattr:
|
6372 |
goto unimplemented_nowarn;
|
6373 |
#endif
|
6374 |
#ifdef TARGET_NR_set_thread_area
|
6375 |
case TARGET_NR_set_thread_area:
|
6376 |
#if defined(TARGET_MIPS)
|
6377 |
((CPUMIPSState *) cpu_env)->tls_value = arg1; |
6378 |
ret = 0;
|
6379 |
break;
|
6380 |
#elif defined(TARGET_CRIS)
|
6381 |
if (arg1 & 0xff) |
6382 |
ret = -TARGET_EINVAL; |
6383 |
else {
|
6384 |
((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; |
6385 |
ret = 0;
|
6386 |
} |
6387 |
break;
|
6388 |
#elif defined(TARGET_I386) && defined(TARGET_ABI32)
|
6389 |
ret = do_set_thread_area(cpu_env, arg1); |
6390 |
break;
|
6391 |
#else
|
6392 |
goto unimplemented_nowarn;
|
6393 |
#endif
|
6394 |
#endif
|
6395 |
#ifdef TARGET_NR_get_thread_area
|
6396 |
case TARGET_NR_get_thread_area:
|
6397 |
#if defined(TARGET_I386) && defined(TARGET_ABI32)
|
6398 |
ret = do_get_thread_area(cpu_env, arg1); |
6399 |
#else
|
6400 |
goto unimplemented_nowarn;
|
6401 |
#endif
|
6402 |
#endif
|
6403 |
#ifdef TARGET_NR_getdomainname
|
6404 |
case TARGET_NR_getdomainname:
|
6405 |
goto unimplemented_nowarn;
|
6406 |
#endif
|
6407 |
|
6408 |
#ifdef TARGET_NR_clock_gettime
|
6409 |
case TARGET_NR_clock_gettime:
|
6410 |
{ |
6411 |
struct timespec ts;
|
6412 |
ret = get_errno(clock_gettime(arg1, &ts)); |
6413 |
if (!is_error(ret)) {
|
6414 |
host_to_target_timespec(arg2, &ts); |
6415 |
} |
6416 |
break;
|
6417 |
} |
6418 |
#endif
|
6419 |
#ifdef TARGET_NR_clock_getres
|
6420 |
case TARGET_NR_clock_getres:
|
6421 |
{ |
6422 |
struct timespec ts;
|
6423 |
ret = get_errno(clock_getres(arg1, &ts)); |
6424 |
if (!is_error(ret)) {
|
6425 |
host_to_target_timespec(arg2, &ts); |
6426 |
} |
6427 |
break;
|
6428 |
} |
6429 |
#endif
|
6430 |
#ifdef TARGET_NR_clock_nanosleep
|
6431 |
case TARGET_NR_clock_nanosleep:
|
6432 |
{ |
6433 |
struct timespec ts;
|
6434 |
target_to_host_timespec(&ts, arg3); |
6435 |
ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
|
6436 |
if (arg4)
|
6437 |
host_to_target_timespec(arg4, &ts); |
6438 |
break;
|
6439 |
} |
6440 |
#endif
|
6441 |
|
6442 |
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
|
6443 |
case TARGET_NR_set_tid_address:
|
6444 |
ret = get_errno(set_tid_address((int *)g2h(arg1)));
|
6445 |
break;
|
6446 |
#endif
|
6447 |
|
6448 |
#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
|
6449 |
case TARGET_NR_tkill:
|
6450 |
ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
|
6451 |
break;
|
6452 |
#endif
|
6453 |
|
6454 |
#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
|
6455 |
case TARGET_NR_tgkill:
|
6456 |
ret = get_errno(sys_tgkill((int)arg1, (int)arg2, |
6457 |
target_to_host_signal(arg3))); |
6458 |
break;
|
6459 |
#endif
|
6460 |
|
6461 |
#ifdef TARGET_NR_set_robust_list
|
6462 |
case TARGET_NR_set_robust_list:
|
6463 |
goto unimplemented_nowarn;
|
6464 |
#endif
|
6465 |
|
6466 |
#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
|
6467 |
case TARGET_NR_utimensat:
|
6468 |
{ |
6469 |
struct timespec ts[2]; |
6470 |
target_to_host_timespec(ts, arg3); |
6471 |
target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); |
6472 |
if (!arg2)
|
6473 |
ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4));
|
6474 |
else {
|
6475 |
if (!(p = lock_user_string(arg2))) {
|
6476 |
ret = -TARGET_EFAULT; |
6477 |
goto fail;
|
6478 |
} |
6479 |
ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4)); |
6480 |
unlock_user(p, arg2, 0);
|
6481 |
} |
6482 |
} |
6483 |
break;
|
6484 |
#endif
|
6485 |
#if defined(USE_NPTL)
|
6486 |
case TARGET_NR_futex:
|
6487 |
ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); |
6488 |
break;
|
6489 |
#endif
|
6490 |
#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
|
6491 |
case TARGET_NR_inotify_init:
|
6492 |
ret = get_errno(sys_inotify_init()); |
6493 |
break;
|
6494 |
#endif
|
6495 |
#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
|
6496 |
case TARGET_NR_inotify_add_watch:
|
6497 |
p = lock_user_string(arg2); |
6498 |
ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); |
6499 |
unlock_user(p, arg2, 0);
|
6500 |
break;
|
6501 |
#endif
|
6502 |
#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
|
6503 |
case TARGET_NR_inotify_rm_watch:
|
6504 |
ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); |
6505 |
break;
|
6506 |
#endif
|
6507 |
|
6508 |
#ifdef TARGET_NR_mq_open
|
6509 |
case TARGET_NR_mq_open:
|
6510 |
{ |
6511 |
struct mq_attr posix_mq_attr;
|
6512 |
|
6513 |
p = lock_user_string(arg1 - 1);
|
6514 |
if (arg4 != 0) |
6515 |
copy_from_user_mq_attr (&posix_mq_attr, arg4); |
6516 |
ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr)); |
6517 |
unlock_user (p, arg1, 0);
|
6518 |
} |
6519 |
break;
|
6520 |
|
6521 |
case TARGET_NR_mq_unlink:
|
6522 |
p = lock_user_string(arg1 - 1);
|
6523 |
ret = get_errno(mq_unlink(p)); |
6524 |
unlock_user (p, arg1, 0);
|
6525 |
break;
|
6526 |
|
6527 |
case TARGET_NR_mq_timedsend:
|
6528 |
{ |
6529 |
struct timespec ts;
|
6530 |
|
6531 |
p = lock_user (VERIFY_READ, arg2, arg3, 1);
|
6532 |
if (arg5 != 0) { |
6533 |
target_to_host_timespec(&ts, arg5); |
6534 |
ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts)); |
6535 |
host_to_target_timespec(arg5, &ts); |
6536 |
} |
6537 |
else
|
6538 |
ret = get_errno(mq_send(arg1, p, arg3, arg4)); |
6539 |
unlock_user (p, arg2, arg3); |
6540 |
} |
6541 |
break;
|
6542 |
|
6543 |
case TARGET_NR_mq_timedreceive:
|
6544 |
{ |
6545 |
struct timespec ts;
|
6546 |
unsigned int prio; |
6547 |
|
6548 |
p = lock_user (VERIFY_READ, arg2, arg3, 1);
|
6549 |
if (arg5 != 0) { |
6550 |
target_to_host_timespec(&ts, arg5); |
6551 |
ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts)); |
6552 |
host_to_target_timespec(arg5, &ts); |
6553 |
} |
6554 |
else
|
6555 |
ret = get_errno(mq_receive(arg1, p, arg3, &prio)); |
6556 |
unlock_user (p, arg2, arg3); |
6557 |
if (arg4 != 0) |
6558 |
put_user_u32(prio, arg4); |
6559 |
} |
6560 |
break;
|
6561 |
|
6562 |
/* Not implemented for now... */
|
6563 |
/* case TARGET_NR_mq_notify: */
|
6564 |
/* break; */
|
6565 |
|
6566 |
case TARGET_NR_mq_getsetattr:
|
6567 |
{ |
6568 |
struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
|
6569 |
ret = 0;
|
6570 |
if (arg3 != 0) { |
6571 |
ret = mq_getattr(arg1, &posix_mq_attr_out); |
6572 |
copy_to_user_mq_attr(arg3, &posix_mq_attr_out); |
6573 |
} |
6574 |
if (arg2 != 0) { |
6575 |
copy_from_user_mq_attr(&posix_mq_attr_in, arg2); |
6576 |
ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out); |
6577 |
} |
6578 |
|
6579 |
} |
6580 |
break;
|
6581 |
#endif
|
6582 |
|
6583 |
default:
|
6584 |
unimplemented:
|
6585 |
gemu_log("qemu: Unsupported syscall: %d\n", num);
|
6586 |
#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
|
6587 |
unimplemented_nowarn:
|
6588 |
#endif
|
6589 |
ret = -TARGET_ENOSYS; |
6590 |
break;
|
6591 |
} |
6592 |
fail:
|
6593 |
#ifdef DEBUG
|
6594 |
gemu_log(" = %ld\n", ret);
|
6595 |
#endif
|
6596 |
if(do_strace)
|
6597 |
print_syscall_ret(num, ret); |
6598 |
return ret;
|
6599 |
efault:
|
6600 |
ret = -TARGET_EFAULT; |
6601 |
goto fail;
|
6602 |
} |