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1.1 root 1: /*
2: * Linux syscalls
1.1.1.6 root 3: *
1.1 root 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
1.1.1.8 root 17: * along with this program; if not, see <http://www.gnu.org/licenses/>.
1.1 root 18: */
1.1.1.8 root 19: #define _ATFILE_SOURCE
1.1 root 20: #include <stdlib.h>
21: #include <stdio.h>
22: #include <stdarg.h>
23: #include <string.h>
24: #include <elf.h>
25: #include <endian.h>
26: #include <errno.h>
27: #include <unistd.h>
28: #include <fcntl.h>
29: #include <time.h>
1.1.1.7 root 30: #include <limits.h>
1.1 root 31: #include <sys/types.h>
1.1.1.6 root 32: #include <sys/ipc.h>
33: #include <sys/msg.h>
1.1 root 34: #include <sys/wait.h>
35: #include <sys/time.h>
36: #include <sys/stat.h>
37: #include <sys/mount.h>
1.1.1.6 root 38: #include <sys/prctl.h>
1.1 root 39: #include <sys/resource.h>
40: #include <sys/mman.h>
41: #include <sys/swap.h>
42: #include <signal.h>
43: #include <sched.h>
1.1.1.10 root 44: #ifdef __ia64__
45: int __clone2(int (*fn)(void *), void *child_stack_base,
46: size_t stack_size, int flags, void *arg, ...);
47: #endif
1.1 root 48: #include <sys/socket.h>
1.1.1.8 root 49: #include <sys/un.h>
1.1 root 50: #include <sys/uio.h>
51: #include <sys/poll.h>
52: #include <sys/times.h>
53: #include <sys/shm.h>
1.1.1.5 root 54: #include <sys/sem.h>
1.1.1.2 root 55: #include <sys/statfs.h>
1.1 root 56: #include <utime.h>
57: #include <sys/sysinfo.h>
1.1.1.8 root 58: #include <sys/utsname.h>
1.1 root 59: //#include <sys/user.h>
60: #include <netinet/ip.h>
61: #include <netinet/tcp.h>
1.1.1.7 root 62: #include <qemu-common.h>
1.1.1.9 root 63: #ifdef TARGET_GPROF
1.1.1.7 root 64: #include <sys/gmon.h>
65: #endif
1.1.1.9 root 66: #ifdef CONFIG_EVENTFD
67: #include <sys/eventfd.h>
68: #endif
1.1 root 69:
70: #define termios host_termios
71: #define winsize host_winsize
72: #define termio host_termio
73: #define sgttyb host_sgttyb /* same as target */
74: #define tchars host_tchars /* same as target */
75: #define ltchars host_ltchars /* same as target */
76:
77: #include <linux/termios.h>
78: #include <linux/unistd.h>
79: #include <linux/utsname.h>
80: #include <linux/cdrom.h>
81: #include <linux/hdreg.h>
82: #include <linux/soundcard.h>
83: #include <linux/kd.h>
1.1.1.7 root 84: #include <linux/mtio.h>
1.1.1.8 root 85: #include <linux/fs.h>
1.1.1.11! root 86: #if defined(CONFIG_FIEMAP)
! 87: #include <linux/fiemap.h>
! 88: #endif
1.1.1.9 root 89: #include <linux/fb.h>
90: #include <linux/vt.h>
1.1.1.7 root 91: #include "linux_loop.h"
1.1.1.10 root 92: #include "cpu-uname.h"
1.1 root 93:
94: #include "qemu.h"
1.1.1.7 root 95: #include "qemu-common.h"
96:
1.1.1.9 root 97: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 98: #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
99: CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
100: #else
101: /* XXX: Hardcode the above values. */
102: #define CLONE_NPTL_FLAGS2 0
103: #endif
1.1 root 104:
105: //#define DEBUG
106:
107: //#include <linux/msdos_fs.h>
1.1.1.7 root 108: #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
109: #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1.1 root 110:
111:
112: #undef _syscall0
113: #undef _syscall1
114: #undef _syscall2
115: #undef _syscall3
116: #undef _syscall4
117: #undef _syscall5
1.1.1.4 root 118: #undef _syscall6
1.1 root 119:
1.1.1.4 root 120: #define _syscall0(type,name) \
1.1.1.7 root 121: static type name (void) \
1.1.1.4 root 122: { \
123: return syscall(__NR_##name); \
124: }
125:
126: #define _syscall1(type,name,type1,arg1) \
1.1.1.7 root 127: static type name (type1 arg1) \
1.1.1.4 root 128: { \
129: return syscall(__NR_##name, arg1); \
130: }
131:
132: #define _syscall2(type,name,type1,arg1,type2,arg2) \
1.1.1.7 root 133: static type name (type1 arg1,type2 arg2) \
1.1.1.4 root 134: { \
135: return syscall(__NR_##name, arg1, arg2); \
136: }
137:
138: #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
1.1.1.7 root 139: static type name (type1 arg1,type2 arg2,type3 arg3) \
1.1.1.4 root 140: { \
141: return syscall(__NR_##name, arg1, arg2, arg3); \
142: }
143:
144: #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
1.1.1.7 root 145: static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
1.1.1.4 root 146: { \
147: return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
1.1 root 148: }
1.1.1.4 root 149:
150: #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
151: type5,arg5) \
1.1.1.7 root 152: static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
1.1.1.4 root 153: { \
154: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
155: }
156:
157:
158: #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
159: type5,arg5,type6,arg6) \
1.1.1.7 root 160: static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
161: type6 arg6) \
1.1.1.4 root 162: { \
163: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
164: }
165:
1.1 root 166:
167: #define __NR_sys_uname __NR_uname
1.1.1.6 root 168: #define __NR_sys_faccessat __NR_faccessat
169: #define __NR_sys_fchmodat __NR_fchmodat
170: #define __NR_sys_fchownat __NR_fchownat
1.1.1.7 root 171: #define __NR_sys_fstatat64 __NR_fstatat64
172: #define __NR_sys_futimesat __NR_futimesat
1.1 root 173: #define __NR_sys_getcwd1 __NR_getcwd
174: #define __NR_sys_getdents __NR_getdents
175: #define __NR_sys_getdents64 __NR_getdents64
1.1.1.6 root 176: #define __NR_sys_getpriority __NR_getpriority
177: #define __NR_sys_linkat __NR_linkat
178: #define __NR_sys_mkdirat __NR_mkdirat
179: #define __NR_sys_mknodat __NR_mknodat
1.1.1.8 root 180: #define __NR_sys_newfstatat __NR_newfstatat
1.1.1.6 root 181: #define __NR_sys_openat __NR_openat
182: #define __NR_sys_readlinkat __NR_readlinkat
183: #define __NR_sys_renameat __NR_renameat
1.1 root 184: #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
1.1.1.6 root 185: #define __NR_sys_symlinkat __NR_symlinkat
186: #define __NR_sys_syslog __NR_syslog
187: #define __NR_sys_tgkill __NR_tgkill
188: #define __NR_sys_tkill __NR_tkill
189: #define __NR_sys_unlinkat __NR_unlinkat
190: #define __NR_sys_utimensat __NR_utimensat
1.1.1.7 root 191: #define __NR_sys_futex __NR_futex
192: #define __NR_sys_inotify_init __NR_inotify_init
193: #define __NR_sys_inotify_add_watch __NR_inotify_add_watch
194: #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
1.1 root 195:
196: #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
197: #define __NR__llseek __NR_lseek
198: #endif
199:
200: #ifdef __NR_gettid
201: _syscall0(int, gettid)
202: #else
1.1.1.6 root 203: /* This is a replacement for the host gettid() and must return a host
204: errno. */
1.1 root 205: static int gettid(void) {
206: return -ENOSYS;
207: }
208: #endif
1.1.1.8 root 209: _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
210: #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
211: _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
212: #endif
213: _syscall2(int, sys_getpriority, int, which, int, who);
1.1.1.10 root 214: #if defined(TARGET_NR__llseek) && defined(__NR_llseek)
1.1.1.8 root 215: _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
216: loff_t *, res, uint, wh);
217: #endif
218: _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
219: _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
220: #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
221: _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
222: #endif
223: #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
224: _syscall2(int,sys_tkill,int,tid,int,sig)
225: #endif
226: #ifdef __NR_exit_group
227: _syscall1(int,exit_group,int,error_code)
228: #endif
229: #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
230: _syscall1(int,set_tid_address,int *,tidptr)
231: #endif
1.1.1.9 root 232: #if defined(CONFIG_USE_NPTL)
1.1.1.8 root 233: #if defined(TARGET_NR_futex) && defined(__NR_futex)
234: _syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
235: const struct timespec *,timeout,int *,uaddr2,int,val3)
236: #endif
237: #endif
238:
239: static bitmask_transtbl fcntl_flags_tbl[] = {
240: { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
241: { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
242: { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
243: { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
244: { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
245: { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
246: { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
247: { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
248: { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
249: { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
250: { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
251: { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
252: { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
253: #if defined(O_DIRECT)
254: { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
255: #endif
256: { 0, 0, 0, 0 }
257: };
258:
259: #define COPY_UTSNAME_FIELD(dest, src) \
260: do { \
261: /* __NEW_UTS_LEN doesn't include terminating null */ \
262: (void) strncpy((dest), (src), __NEW_UTS_LEN); \
263: (dest)[__NEW_UTS_LEN] = '\0'; \
264: } while (0)
265:
266: static int sys_uname(struct new_utsname *buf)
267: {
268: struct utsname uts_buf;
269:
270: if (uname(&uts_buf) < 0)
271: return (-1);
272:
273: /*
274: * Just in case these have some differences, we
275: * translate utsname to new_utsname (which is the
276: * struct linux kernel uses).
277: */
278:
279: bzero(buf, sizeof (*buf));
280: COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
281: COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
282: COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
283: COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
284: COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
285: #ifdef _GNU_SOURCE
286: COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
287: #endif
288: return (0);
289:
290: #undef COPY_UTSNAME_FIELD
291: }
292:
293: static int sys_getcwd1(char *buf, size_t size)
294: {
295: if (getcwd(buf, size) == NULL) {
296: /* getcwd() sets errno */
297: return (-1);
298: }
299: return strlen(buf)+1;
300: }
301:
302: #ifdef CONFIG_ATFILE
303: /*
304: * Host system seems to have atfile syscall stubs available. We
305: * now enable them one by one as specified by target syscall_nr.h.
306: */
307:
308: #ifdef TARGET_NR_faccessat
309: static int sys_faccessat(int dirfd, const char *pathname, int mode)
310: {
311: return (faccessat(dirfd, pathname, mode, 0));
312: }
313: #endif
314: #ifdef TARGET_NR_fchmodat
315: static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
316: {
317: return (fchmodat(dirfd, pathname, mode, 0));
318: }
319: #endif
320: #if defined(TARGET_NR_fchownat) && defined(USE_UID16)
321: static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
322: gid_t group, int flags)
323: {
324: return (fchownat(dirfd, pathname, owner, group, flags));
325: }
326: #endif
327: #ifdef __NR_fstatat64
328: static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
329: int flags)
330: {
331: return (fstatat(dirfd, pathname, buf, flags));
332: }
333: #endif
334: #ifdef __NR_newfstatat
335: static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
336: int flags)
337: {
338: return (fstatat(dirfd, pathname, buf, flags));
339: }
340: #endif
341: #ifdef TARGET_NR_futimesat
342: static int sys_futimesat(int dirfd, const char *pathname,
343: const struct timeval times[2])
344: {
345: return (futimesat(dirfd, pathname, times));
346: }
347: #endif
348: #ifdef TARGET_NR_linkat
349: static int sys_linkat(int olddirfd, const char *oldpath,
350: int newdirfd, const char *newpath, int flags)
351: {
352: return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
353: }
354: #endif
355: #ifdef TARGET_NR_mkdirat
356: static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
357: {
358: return (mkdirat(dirfd, pathname, mode));
359: }
360: #endif
361: #ifdef TARGET_NR_mknodat
362: static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
363: dev_t dev)
364: {
365: return (mknodat(dirfd, pathname, mode, dev));
366: }
367: #endif
368: #ifdef TARGET_NR_openat
369: static int sys_openat(int dirfd, const char *pathname, int flags, ...)
370: {
371: /*
372: * open(2) has extra parameter 'mode' when called with
373: * flag O_CREAT.
374: */
375: if ((flags & O_CREAT) != 0) {
376: va_list ap;
377: mode_t mode;
378:
379: /*
380: * Get the 'mode' parameter and translate it to
381: * host bits.
382: */
383: va_start(ap, flags);
384: mode = va_arg(ap, mode_t);
385: mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
386: va_end(ap);
387:
388: return (openat(dirfd, pathname, flags, mode));
389: }
390: return (openat(dirfd, pathname, flags));
391: }
392: #endif
393: #ifdef TARGET_NR_readlinkat
394: static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
395: {
396: return (readlinkat(dirfd, pathname, buf, bufsiz));
397: }
398: #endif
399: #ifdef TARGET_NR_renameat
400: static int sys_renameat(int olddirfd, const char *oldpath,
401: int newdirfd, const char *newpath)
402: {
403: return (renameat(olddirfd, oldpath, newdirfd, newpath));
404: }
405: #endif
406: #ifdef TARGET_NR_symlinkat
407: static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
408: {
409: return (symlinkat(oldpath, newdirfd, newpath));
410: }
411: #endif
412: #ifdef TARGET_NR_unlinkat
413: static int sys_unlinkat(int dirfd, const char *pathname, int flags)
414: {
415: return (unlinkat(dirfd, pathname, flags));
416: }
417: #endif
418: #else /* !CONFIG_ATFILE */
419:
420: /*
421: * Try direct syscalls instead
422: */
1.1.1.6 root 423: #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
1.1.1.8 root 424: _syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
1.1.1.6 root 425: #endif
426: #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
1.1.1.8 root 427: _syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
1.1.1.6 root 428: #endif
1.1.1.7 root 429: #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
1.1.1.6 root 430: _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
431: uid_t,owner,gid_t,group,int,flags)
432: #endif
1.1.1.8 root 433: #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
434: defined(__NR_fstatat64)
1.1.1.7 root 435: _syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
436: struct stat *,buf,int,flags)
437: #endif
438: #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
439: _syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
440: const struct timeval *,times)
441: #endif
1.1.1.8 root 442: #if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
443: defined(__NR_newfstatat)
444: _syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
445: struct stat *,buf,int,flags)
1.1.1.7 root 446: #endif
1.1.1.6 root 447: #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
448: _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
1.1.1.8 root 449: int,newdirfd,const char *,newpath,int,flags)
1.1.1.6 root 450: #endif
451: #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
452: _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
453: #endif
454: #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
455: _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
456: mode_t,mode,dev_t,dev)
457: #endif
458: #if defined(TARGET_NR_openat) && defined(__NR_openat)
459: _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
460: #endif
461: #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
462: _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
463: char *,buf,size_t,bufsize)
464: #endif
465: #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
466: _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
467: int,newdirfd,const char *,newpath)
468: #endif
469: #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
470: _syscall3(int,sys_symlinkat,const char *,oldpath,
471: int,newdirfd,const char *,newpath)
472: #endif
473: #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
474: _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
475: #endif
1.1.1.8 root 476:
477: #endif /* CONFIG_ATFILE */
478:
479: #ifdef CONFIG_UTIMENSAT
480: static int sys_utimensat(int dirfd, const char *pathname,
481: const struct timespec times[2], int flags)
482: {
483: if (pathname == NULL)
484: return futimens(dirfd, times);
485: else
486: return utimensat(dirfd, pathname, times, flags);
487: }
488: #else
1.1.1.6 root 489: #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
490: _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
491: const struct timespec *,tsp,int,flags)
492: #endif
1.1.1.8 root 493: #endif /* CONFIG_UTIMENSAT */
494:
495: #ifdef CONFIG_INOTIFY
496: #include <sys/inotify.h>
497:
1.1.1.7 root 498: #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
1.1.1.8 root 499: static int sys_inotify_init(void)
500: {
501: return (inotify_init());
502: }
1.1.1.7 root 503: #endif
504: #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
1.1.1.8 root 505: static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
506: {
507: return (inotify_add_watch(fd, pathname, mask));
508: }
1.1.1.7 root 509: #endif
510: #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
1.1.1.8 root 511: static int sys_inotify_rm_watch(int fd, int32_t wd)
512: {
513: return (inotify_rm_watch(fd, wd));
514: }
1.1.1.7 root 515: #endif
1.1.1.10 root 516: #ifdef CONFIG_INOTIFY1
517: #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
518: static int sys_inotify_init1(int flags)
519: {
520: return (inotify_init1(flags));
521: }
522: #endif
523: #endif
1.1.1.8 root 524: #else
525: /* Userspace can usually survive runtime without inotify */
526: #undef TARGET_NR_inotify_init
1.1.1.10 root 527: #undef TARGET_NR_inotify_init1
1.1.1.8 root 528: #undef TARGET_NR_inotify_add_watch
529: #undef TARGET_NR_inotify_rm_watch
530: #endif /* CONFIG_INOTIFY */
531:
1.1 root 532:
533: extern int personality(int);
534: extern int flock(int, int);
535: extern int setfsuid(int);
536: extern int setfsgid(int);
537: extern int setgroups(int, gid_t *);
538:
1.1.1.6 root 539: #define ERRNO_TABLE_SIZE 1200
540:
541: /* target_to_host_errno_table[] is initialized from
542: * host_to_target_errno_table[] in syscall_init(). */
543: static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
544: };
545:
546: /*
547: * This list is the union of errno values overridden in asm-<arch>/errno.h
548: * minus the errnos that are not actually generic to all archs.
549: */
550: static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
551: [EIDRM] = TARGET_EIDRM,
552: [ECHRNG] = TARGET_ECHRNG,
553: [EL2NSYNC] = TARGET_EL2NSYNC,
554: [EL3HLT] = TARGET_EL3HLT,
555: [EL3RST] = TARGET_EL3RST,
556: [ELNRNG] = TARGET_ELNRNG,
557: [EUNATCH] = TARGET_EUNATCH,
558: [ENOCSI] = TARGET_ENOCSI,
559: [EL2HLT] = TARGET_EL2HLT,
560: [EDEADLK] = TARGET_EDEADLK,
561: [ENOLCK] = TARGET_ENOLCK,
562: [EBADE] = TARGET_EBADE,
563: [EBADR] = TARGET_EBADR,
564: [EXFULL] = TARGET_EXFULL,
565: [ENOANO] = TARGET_ENOANO,
566: [EBADRQC] = TARGET_EBADRQC,
567: [EBADSLT] = TARGET_EBADSLT,
568: [EBFONT] = TARGET_EBFONT,
569: [ENOSTR] = TARGET_ENOSTR,
570: [ENODATA] = TARGET_ENODATA,
571: [ETIME] = TARGET_ETIME,
572: [ENOSR] = TARGET_ENOSR,
573: [ENONET] = TARGET_ENONET,
574: [ENOPKG] = TARGET_ENOPKG,
575: [EREMOTE] = TARGET_EREMOTE,
576: [ENOLINK] = TARGET_ENOLINK,
577: [EADV] = TARGET_EADV,
578: [ESRMNT] = TARGET_ESRMNT,
579: [ECOMM] = TARGET_ECOMM,
580: [EPROTO] = TARGET_EPROTO,
581: [EDOTDOT] = TARGET_EDOTDOT,
582: [EMULTIHOP] = TARGET_EMULTIHOP,
583: [EBADMSG] = TARGET_EBADMSG,
584: [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
585: [EOVERFLOW] = TARGET_EOVERFLOW,
586: [ENOTUNIQ] = TARGET_ENOTUNIQ,
587: [EBADFD] = TARGET_EBADFD,
588: [EREMCHG] = TARGET_EREMCHG,
589: [ELIBACC] = TARGET_ELIBACC,
590: [ELIBBAD] = TARGET_ELIBBAD,
591: [ELIBSCN] = TARGET_ELIBSCN,
592: [ELIBMAX] = TARGET_ELIBMAX,
593: [ELIBEXEC] = TARGET_ELIBEXEC,
594: [EILSEQ] = TARGET_EILSEQ,
595: [ENOSYS] = TARGET_ENOSYS,
596: [ELOOP] = TARGET_ELOOP,
597: [ERESTART] = TARGET_ERESTART,
598: [ESTRPIPE] = TARGET_ESTRPIPE,
599: [ENOTEMPTY] = TARGET_ENOTEMPTY,
600: [EUSERS] = TARGET_EUSERS,
601: [ENOTSOCK] = TARGET_ENOTSOCK,
602: [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
603: [EMSGSIZE] = TARGET_EMSGSIZE,
604: [EPROTOTYPE] = TARGET_EPROTOTYPE,
605: [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
606: [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
607: [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
608: [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
609: [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
610: [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
611: [EADDRINUSE] = TARGET_EADDRINUSE,
612: [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
613: [ENETDOWN] = TARGET_ENETDOWN,
614: [ENETUNREACH] = TARGET_ENETUNREACH,
615: [ENETRESET] = TARGET_ENETRESET,
616: [ECONNABORTED] = TARGET_ECONNABORTED,
617: [ECONNRESET] = TARGET_ECONNRESET,
618: [ENOBUFS] = TARGET_ENOBUFS,
619: [EISCONN] = TARGET_EISCONN,
620: [ENOTCONN] = TARGET_ENOTCONN,
621: [EUCLEAN] = TARGET_EUCLEAN,
622: [ENOTNAM] = TARGET_ENOTNAM,
623: [ENAVAIL] = TARGET_ENAVAIL,
624: [EISNAM] = TARGET_EISNAM,
625: [EREMOTEIO] = TARGET_EREMOTEIO,
626: [ESHUTDOWN] = TARGET_ESHUTDOWN,
627: [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
628: [ETIMEDOUT] = TARGET_ETIMEDOUT,
629: [ECONNREFUSED] = TARGET_ECONNREFUSED,
630: [EHOSTDOWN] = TARGET_EHOSTDOWN,
631: [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
632: [EALREADY] = TARGET_EALREADY,
633: [EINPROGRESS] = TARGET_EINPROGRESS,
634: [ESTALE] = TARGET_ESTALE,
635: [ECANCELED] = TARGET_ECANCELED,
636: [ENOMEDIUM] = TARGET_ENOMEDIUM,
637: [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
638: #ifdef ENOKEY
639: [ENOKEY] = TARGET_ENOKEY,
640: #endif
641: #ifdef EKEYEXPIRED
642: [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
643: #endif
644: #ifdef EKEYREVOKED
645: [EKEYREVOKED] = TARGET_EKEYREVOKED,
646: #endif
647: #ifdef EKEYREJECTED
648: [EKEYREJECTED] = TARGET_EKEYREJECTED,
649: #endif
650: #ifdef EOWNERDEAD
651: [EOWNERDEAD] = TARGET_EOWNERDEAD,
652: #endif
653: #ifdef ENOTRECOVERABLE
654: [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
655: #endif
656: };
657:
658: static inline int host_to_target_errno(int err)
659: {
660: if(host_to_target_errno_table[err])
661: return host_to_target_errno_table[err];
662: return err;
663: }
664:
665: static inline int target_to_host_errno(int err)
666: {
667: if (target_to_host_errno_table[err])
668: return target_to_host_errno_table[err];
669: return err;
670: }
671:
672: static inline abi_long get_errno(abi_long ret)
1.1 root 673: {
674: if (ret == -1)
1.1.1.6 root 675: return -host_to_target_errno(errno);
1.1 root 676: else
677: return ret;
678: }
679:
1.1.1.6 root 680: static inline int is_error(abi_long ret)
681: {
682: return (abi_ulong)ret >= (abi_ulong)(-4096);
683: }
684:
685: char *target_strerror(int err)
1.1 root 686: {
1.1.1.6 root 687: return strerror(target_to_host_errno(err));
1.1 root 688: }
689:
1.1.1.6 root 690: static abi_ulong target_brk;
691: static abi_ulong target_original_brk;
1.1 root 692:
1.1.1.6 root 693: void target_set_brk(abi_ulong new_brk)
1.1 root 694: {
1.1.1.6 root 695: target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
1.1 root 696: }
697:
1.1.1.6 root 698: /* do_brk() must return target values and target errnos. */
699: abi_long do_brk(abi_ulong new_brk)
1.1 root 700: {
1.1.1.6 root 701: abi_ulong brk_page;
702: abi_long mapped_addr;
1.1 root 703: int new_alloc_size;
704:
705: if (!new_brk)
1.1.1.3 root 706: return target_brk;
1.1 root 707: if (new_brk < target_original_brk)
1.1.1.7 root 708: return target_brk;
1.1.1.6 root 709:
1.1.1.3 root 710: brk_page = HOST_PAGE_ALIGN(target_brk);
1.1 root 711:
712: /* If the new brk is less than this, set it and we're done... */
713: if (new_brk < brk_page) {
714: target_brk = new_brk;
1.1.1.3 root 715: return target_brk;
1.1 root 716: }
717:
718: /* We need to allocate more memory after the brk... */
719: new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
1.1.1.6 root 720: mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
1.1 root 721: PROT_READ|PROT_WRITE,
722: MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
1.1.1.7 root 723:
1.1.1.10 root 724: #if defined(TARGET_ALPHA)
725: /* We (partially) emulate OSF/1 on Alpha, which requires we
726: return a proper errno, not an unchanged brk value. */
727: if (is_error(mapped_addr)) {
728: return -TARGET_ENOMEM;
729: }
730: #endif
731:
732: if (!is_error(mapped_addr)) {
1.1 root 733: target_brk = new_brk;
1.1.1.10 root 734: }
1.1.1.7 root 735: return target_brk;
1.1 root 736: }
737:
1.1.1.6 root 738: static inline abi_long copy_from_user_fdset(fd_set *fds,
739: abi_ulong target_fds_addr,
740: int n)
1.1 root 741: {
1.1.1.6 root 742: int i, nw, j, k;
743: abi_ulong b, *target_fds;
744:
745: nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
746: if (!(target_fds = lock_user(VERIFY_READ,
747: target_fds_addr,
748: sizeof(abi_ulong) * nw,
749: 1)))
750: return -TARGET_EFAULT;
751:
752: FD_ZERO(fds);
753: k = 0;
754: for (i = 0; i < nw; i++) {
755: /* grab the abi_ulong */
756: __get_user(b, &target_fds[i]);
757: for (j = 0; j < TARGET_ABI_BITS; j++) {
758: /* check the bit inside the abi_ulong */
759: if ((b >> j) & 1)
760: FD_SET(k, fds);
761: k++;
1.1 root 762: }
763: }
1.1.1.6 root 764:
765: unlock_user(target_fds, target_fds_addr, 0);
766:
767: return 0;
1.1 root 768: }
769:
1.1.1.6 root 770: static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
771: const fd_set *fds,
772: int n)
1.1 root 773: {
774: int i, nw, j, k;
1.1.1.6 root 775: abi_long v;
776: abi_ulong *target_fds;
1.1 root 777:
1.1.1.6 root 778: nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
779: if (!(target_fds = lock_user(VERIFY_WRITE,
780: target_fds_addr,
781: sizeof(abi_ulong) * nw,
782: 0)))
783: return -TARGET_EFAULT;
784:
785: k = 0;
786: for (i = 0; i < nw; i++) {
787: v = 0;
788: for (j = 0; j < TARGET_ABI_BITS; j++) {
789: v |= ((FD_ISSET(k, fds) != 0) << j);
790: k++;
1.1 root 791: }
1.1.1.6 root 792: __put_user(v, &target_fds[i]);
1.1 root 793: }
1.1.1.6 root 794:
795: unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
796:
797: return 0;
1.1 root 798: }
799:
800: #if defined(__alpha__)
801: #define HOST_HZ 1024
802: #else
803: #define HOST_HZ 100
804: #endif
805:
1.1.1.6 root 806: static inline abi_long host_to_target_clock_t(long ticks)
1.1 root 807: {
808: #if HOST_HZ == TARGET_HZ
809: return ticks;
810: #else
811: return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
812: #endif
813: }
814:
1.1.1.6 root 815: static inline abi_long host_to_target_rusage(abi_ulong target_addr,
816: const struct rusage *rusage)
1.1 root 817: {
1.1.1.3 root 818: struct target_rusage *target_rusage;
819:
1.1.1.6 root 820: if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
821: return -TARGET_EFAULT;
1.1 root 822: target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
823: target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
824: target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
825: target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
826: target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
827: target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
828: target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
829: target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
830: target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
831: target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
832: target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
833: target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
834: target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
835: target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
836: target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
837: target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
838: target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
839: target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
1.1.1.3 root 840: unlock_user_struct(target_rusage, target_addr, 1);
1.1.1.6 root 841:
842: return 0;
1.1 root 843: }
844:
1.1.1.10 root 845: static inline rlim_t target_to_host_rlim(target_ulong target_rlim)
846: {
847: if (target_rlim == TARGET_RLIM_INFINITY)
848: return RLIM_INFINITY;
849: else
850: return tswapl(target_rlim);
851: }
852:
853: static inline target_ulong host_to_target_rlim(rlim_t rlim)
854: {
855: if (rlim == RLIM_INFINITY || rlim != (target_long)rlim)
856: return TARGET_RLIM_INFINITY;
857: else
858: return tswapl(rlim);
859: }
860:
1.1.1.6 root 861: static inline abi_long copy_from_user_timeval(struct timeval *tv,
862: abi_ulong target_tv_addr)
1.1 root 863: {
1.1.1.3 root 864: struct target_timeval *target_tv;
865:
1.1.1.6 root 866: if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
867: return -TARGET_EFAULT;
868:
869: __get_user(tv->tv_sec, &target_tv->tv_sec);
870: __get_user(tv->tv_usec, &target_tv->tv_usec);
871:
872: unlock_user_struct(target_tv, target_tv_addr, 0);
873:
874: return 0;
1.1 root 875: }
876:
1.1.1.6 root 877: static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
878: const struct timeval *tv)
1.1 root 879: {
1.1.1.3 root 880: struct target_timeval *target_tv;
881:
1.1.1.6 root 882: if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
883: return -TARGET_EFAULT;
884:
885: __put_user(tv->tv_sec, &target_tv->tv_sec);
886: __put_user(tv->tv_usec, &target_tv->tv_usec);
887:
888: unlock_user_struct(target_tv, target_tv_addr, 1);
889:
890: return 0;
1.1 root 891: }
892:
1.1.1.9 root 893: #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
894: #include <mqueue.h>
895:
1.1.1.8 root 896: static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
897: abi_ulong target_mq_attr_addr)
898: {
899: struct target_mq_attr *target_mq_attr;
900:
901: if (!lock_user_struct(VERIFY_READ, target_mq_attr,
902: target_mq_attr_addr, 1))
903: return -TARGET_EFAULT;
904:
905: __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
906: __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
907: __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
908: __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
909:
910: unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
911:
912: return 0;
913: }
914:
915: static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
916: const struct mq_attr *attr)
917: {
918: struct target_mq_attr *target_mq_attr;
919:
920: if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
921: target_mq_attr_addr, 0))
922: return -TARGET_EFAULT;
923:
924: __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
925: __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
926: __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
927: __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
928:
929: unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
930:
931: return 0;
932: }
1.1.1.9 root 933: #endif
1.1 root 934:
1.1.1.6 root 935: /* do_select() must return target values and target errnos. */
936: static abi_long do_select(int n,
937: abi_ulong rfd_addr, abi_ulong wfd_addr,
938: abi_ulong efd_addr, abi_ulong target_tv_addr)
1.1 root 939: {
940: fd_set rfds, wfds, efds;
941: fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
942: struct timeval tv, *tv_ptr;
1.1.1.6 root 943: abi_long ret;
1.1 root 944:
1.1.1.6 root 945: if (rfd_addr) {
946: if (copy_from_user_fdset(&rfds, rfd_addr, n))
947: return -TARGET_EFAULT;
948: rfds_ptr = &rfds;
1.1.1.3 root 949: } else {
950: rfds_ptr = NULL;
951: }
1.1.1.6 root 952: if (wfd_addr) {
953: if (copy_from_user_fdset(&wfds, wfd_addr, n))
954: return -TARGET_EFAULT;
955: wfds_ptr = &wfds;
1.1.1.3 root 956: } else {
957: wfds_ptr = NULL;
958: }
1.1.1.6 root 959: if (efd_addr) {
960: if (copy_from_user_fdset(&efds, efd_addr, n))
961: return -TARGET_EFAULT;
962: efds_ptr = &efds;
1.1.1.3 root 963: } else {
964: efds_ptr = NULL;
965: }
1.1.1.6 root 966:
967: if (target_tv_addr) {
968: if (copy_from_user_timeval(&tv, target_tv_addr))
969: return -TARGET_EFAULT;
1.1 root 970: tv_ptr = &tv;
971: } else {
972: tv_ptr = NULL;
973: }
1.1.1.6 root 974:
1.1 root 975: ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
1.1.1.3 root 976:
1.1.1.6 root 977: if (!is_error(ret)) {
978: if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
979: return -TARGET_EFAULT;
980: if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
981: return -TARGET_EFAULT;
982: if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
983: return -TARGET_EFAULT;
1.1 root 984:
1.1.1.6 root 985: if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
986: return -TARGET_EFAULT;
1.1 root 987: }
1.1.1.3 root 988:
1.1 root 989: return ret;
990: }
991:
1.1.1.8 root 992: static abi_long do_pipe2(int host_pipe[], int flags)
993: {
994: #ifdef CONFIG_PIPE2
995: return pipe2(host_pipe, flags);
996: #else
997: return -ENOSYS;
998: #endif
999: }
1000:
1.1.1.10 root 1001: static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1002: int flags, int is_pipe2)
1.1.1.8 root 1003: {
1004: int host_pipe[2];
1005: abi_long ret;
1006: ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1007:
1008: if (is_error(ret))
1009: return get_errno(ret);
1.1.1.10 root 1010:
1011: /* Several targets have special calling conventions for the original
1012: pipe syscall, but didn't replicate this into the pipe2 syscall. */
1013: if (!is_pipe2) {
1014: #if defined(TARGET_ALPHA)
1015: ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1016: return host_pipe[0];
1017: #elif defined(TARGET_MIPS)
1018: ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1019: return host_pipe[0];
1.1.1.8 root 1020: #elif defined(TARGET_SH4)
1.1.1.10 root 1021: ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
1022: return host_pipe[0];
1023: #endif
1024: }
1025:
1.1.1.8 root 1026: if (put_user_s32(host_pipe[0], pipedes)
1027: || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1028: return -TARGET_EFAULT;
1029: return get_errno(ret);
1030: }
1031:
1032: static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1033: abi_ulong target_addr,
1034: socklen_t len)
1035: {
1036: struct target_ip_mreqn *target_smreqn;
1037:
1038: target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1039: if (!target_smreqn)
1040: return -TARGET_EFAULT;
1041: mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1042: mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1043: if (len == sizeof(struct target_ip_mreqn))
1044: mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
1045: unlock_user(target_smreqn, target_addr, 0);
1046:
1047: return 0;
1048: }
1049:
1.1.1.6 root 1050: static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1051: abi_ulong target_addr,
1052: socklen_t len)
1.1 root 1053: {
1.1.1.8 root 1054: const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1055: sa_family_t sa_family;
1.1.1.3 root 1056: struct target_sockaddr *target_saddr;
1057:
1.1.1.6 root 1058: target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1059: if (!target_saddr)
1060: return -TARGET_EFAULT;
1.1.1.8 root 1061:
1062: sa_family = tswap16(target_saddr->sa_family);
1063:
1064: /* Oops. The caller might send a incomplete sun_path; sun_path
1065: * must be terminated by \0 (see the manual page), but
1066: * unfortunately it is quite common to specify sockaddr_un
1067: * length as "strlen(x->sun_path)" while it should be
1068: * "strlen(...) + 1". We'll fix that here if needed.
1069: * Linux kernel has a similar feature.
1070: */
1071:
1072: if (sa_family == AF_UNIX) {
1073: if (len < unix_maxlen && len > 0) {
1074: char *cp = (char*)target_saddr;
1075:
1076: if ( cp[len-1] && !cp[len] )
1077: len++;
1078: }
1079: if (len > unix_maxlen)
1080: len = unix_maxlen;
1081: }
1082:
1.1.1.3 root 1083: memcpy(addr, target_saddr, len);
1.1.1.8 root 1084: addr->sa_family = sa_family;
1.1.1.3 root 1085: unlock_user(target_saddr, target_addr, 0);
1.1.1.6 root 1086:
1087: return 0;
1.1 root 1088: }
1089:
1.1.1.6 root 1090: static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1091: struct sockaddr *addr,
1092: socklen_t len)
1.1 root 1093: {
1.1.1.3 root 1094: struct target_sockaddr *target_saddr;
1095:
1.1.1.6 root 1096: target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1097: if (!target_saddr)
1098: return -TARGET_EFAULT;
1.1.1.3 root 1099: memcpy(target_saddr, addr, len);
1100: target_saddr->sa_family = tswap16(addr->sa_family);
1101: unlock_user(target_saddr, target_addr, len);
1.1.1.6 root 1102:
1103: return 0;
1.1 root 1104: }
1105:
1.1.1.3 root 1106: /* ??? Should this also swap msgh->name? */
1.1.1.6 root 1107: static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1108: struct target_msghdr *target_msgh)
1.1 root 1109: {
1110: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1.1.1.6 root 1111: abi_long msg_controllen;
1112: abi_ulong target_cmsg_addr;
1113: struct target_cmsghdr *target_cmsg;
1.1 root 1114: socklen_t space = 0;
1.1.1.6 root 1115:
1116: msg_controllen = tswapl(target_msgh->msg_controllen);
1117: if (msg_controllen < sizeof (struct target_cmsghdr))
1118: goto the_end;
1119: target_cmsg_addr = tswapl(target_msgh->msg_control);
1120: target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1121: if (!target_cmsg)
1122: return -TARGET_EFAULT;
1.1 root 1123:
1124: while (cmsg && target_cmsg) {
1125: void *data = CMSG_DATA(cmsg);
1126: void *target_data = TARGET_CMSG_DATA(target_cmsg);
1127:
1.1.1.6 root 1128: int len = tswapl(target_cmsg->cmsg_len)
1.1 root 1129: - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1130:
1131: space += CMSG_SPACE(len);
1132: if (space > msgh->msg_controllen) {
1133: space -= CMSG_SPACE(len);
1.1.1.2 root 1134: gemu_log("Host cmsg overflow\n");
1.1 root 1135: break;
1136: }
1137:
1138: cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1139: cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1140: cmsg->cmsg_len = CMSG_LEN(len);
1141:
1.1.1.4 root 1142: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 1143: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1144: memcpy(data, target_data, len);
1145: } else {
1146: int *fd = (int *)data;
1147: int *target_fd = (int *)target_data;
1148: int i, numfds = len / sizeof(int);
1149:
1150: for (i = 0; i < numfds; i++)
1151: fd[i] = tswap32(target_fd[i]);
1152: }
1153:
1154: cmsg = CMSG_NXTHDR(msgh, cmsg);
1155: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1156: }
1.1.1.6 root 1157: unlock_user(target_cmsg, target_cmsg_addr, 0);
1158: the_end:
1.1 root 1159: msgh->msg_controllen = space;
1.1.1.6 root 1160: return 0;
1.1 root 1161: }
1162:
1.1.1.3 root 1163: /* ??? Should this also swap msgh->name? */
1.1.1.6 root 1164: static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1165: struct msghdr *msgh)
1.1 root 1166: {
1167: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1.1.1.6 root 1168: abi_long msg_controllen;
1169: abi_ulong target_cmsg_addr;
1170: struct target_cmsghdr *target_cmsg;
1.1 root 1171: socklen_t space = 0;
1172:
1.1.1.6 root 1173: msg_controllen = tswapl(target_msgh->msg_controllen);
1174: if (msg_controllen < sizeof (struct target_cmsghdr))
1175: goto the_end;
1176: target_cmsg_addr = tswapl(target_msgh->msg_control);
1177: target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1178: if (!target_cmsg)
1179: return -TARGET_EFAULT;
1180:
1.1 root 1181: while (cmsg && target_cmsg) {
1182: void *data = CMSG_DATA(cmsg);
1183: void *target_data = TARGET_CMSG_DATA(target_cmsg);
1184:
1185: int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1186:
1187: space += TARGET_CMSG_SPACE(len);
1.1.1.6 root 1188: if (space > msg_controllen) {
1.1 root 1189: space -= TARGET_CMSG_SPACE(len);
1.1.1.2 root 1190: gemu_log("Target cmsg overflow\n");
1.1 root 1191: break;
1192: }
1193:
1194: target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1195: target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1196: target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1197:
1.1.1.4 root 1198: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 1199: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1200: memcpy(target_data, data, len);
1201: } else {
1202: int *fd = (int *)data;
1203: int *target_fd = (int *)target_data;
1204: int i, numfds = len / sizeof(int);
1205:
1206: for (i = 0; i < numfds; i++)
1207: target_fd[i] = tswap32(fd[i]);
1208: }
1209:
1210: cmsg = CMSG_NXTHDR(msgh, cmsg);
1211: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1212: }
1.1.1.6 root 1213: unlock_user(target_cmsg, target_cmsg_addr, space);
1214: the_end:
1215: target_msgh->msg_controllen = tswapl(space);
1216: return 0;
1.1 root 1217: }
1218:
1.1.1.6 root 1219: /* do_setsockopt() Must return target values and target errnos. */
1220: static abi_long do_setsockopt(int sockfd, int level, int optname,
1221: abi_ulong optval_addr, socklen_t optlen)
1.1 root 1222: {
1.1.1.6 root 1223: abi_long ret;
1224: int val;
1.1.1.8 root 1225: struct ip_mreqn *ip_mreq;
1226: struct ip_mreq_source *ip_mreq_source;
1.1.1.6 root 1227:
1.1 root 1228: switch(level) {
1229: case SOL_TCP:
1230: /* TCP options all take an 'int' value. */
1231: if (optlen < sizeof(uint32_t))
1.1.1.6 root 1232: return -TARGET_EINVAL;
1233:
1234: if (get_user_u32(val, optval_addr))
1235: return -TARGET_EFAULT;
1.1 root 1236: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1237: break;
1238: case SOL_IP:
1239: switch(optname) {
1240: case IP_TOS:
1241: case IP_TTL:
1242: case IP_HDRINCL:
1243: case IP_ROUTER_ALERT:
1244: case IP_RECVOPTS:
1245: case IP_RETOPTS:
1246: case IP_PKTINFO:
1247: case IP_MTU_DISCOVER:
1248: case IP_RECVERR:
1249: case IP_RECVTOS:
1250: #ifdef IP_FREEBIND
1251: case IP_FREEBIND:
1252: #endif
1253: case IP_MULTICAST_TTL:
1254: case IP_MULTICAST_LOOP:
1255: val = 0;
1256: if (optlen >= sizeof(uint32_t)) {
1.1.1.6 root 1257: if (get_user_u32(val, optval_addr))
1258: return -TARGET_EFAULT;
1.1 root 1259: } else if (optlen >= 1) {
1.1.1.6 root 1260: if (get_user_u8(val, optval_addr))
1261: return -TARGET_EFAULT;
1.1 root 1262: }
1263: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1264: break;
1.1.1.8 root 1265: case IP_ADD_MEMBERSHIP:
1266: case IP_DROP_MEMBERSHIP:
1267: if (optlen < sizeof (struct target_ip_mreq) ||
1268: optlen > sizeof (struct target_ip_mreqn))
1269: return -TARGET_EINVAL;
1270:
1271: ip_mreq = (struct ip_mreqn *) alloca(optlen);
1272: target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1273: ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1274: break;
1275:
1276: case IP_BLOCK_SOURCE:
1277: case IP_UNBLOCK_SOURCE:
1278: case IP_ADD_SOURCE_MEMBERSHIP:
1279: case IP_DROP_SOURCE_MEMBERSHIP:
1280: if (optlen != sizeof (struct target_ip_mreq_source))
1281: return -TARGET_EINVAL;
1282:
1283: ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1284: ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1285: unlock_user (ip_mreq_source, optval_addr, 0);
1286: break;
1287:
1.1 root 1288: default:
1289: goto unimplemented;
1290: }
1291: break;
1.1.1.4 root 1292: case TARGET_SOL_SOCKET:
1.1 root 1293: switch (optname) {
1294: /* Options with 'int' argument. */
1.1.1.4 root 1295: case TARGET_SO_DEBUG:
1296: optname = SO_DEBUG;
1297: break;
1298: case TARGET_SO_REUSEADDR:
1299: optname = SO_REUSEADDR;
1300: break;
1301: case TARGET_SO_TYPE:
1302: optname = SO_TYPE;
1303: break;
1304: case TARGET_SO_ERROR:
1305: optname = SO_ERROR;
1306: break;
1307: case TARGET_SO_DONTROUTE:
1308: optname = SO_DONTROUTE;
1309: break;
1310: case TARGET_SO_BROADCAST:
1311: optname = SO_BROADCAST;
1312: break;
1313: case TARGET_SO_SNDBUF:
1314: optname = SO_SNDBUF;
1315: break;
1316: case TARGET_SO_RCVBUF:
1317: optname = SO_RCVBUF;
1318: break;
1319: case TARGET_SO_KEEPALIVE:
1320: optname = SO_KEEPALIVE;
1321: break;
1322: case TARGET_SO_OOBINLINE:
1323: optname = SO_OOBINLINE;
1324: break;
1325: case TARGET_SO_NO_CHECK:
1326: optname = SO_NO_CHECK;
1327: break;
1328: case TARGET_SO_PRIORITY:
1329: optname = SO_PRIORITY;
1330: break;
1.1 root 1331: #ifdef SO_BSDCOMPAT
1.1.1.4 root 1332: case TARGET_SO_BSDCOMPAT:
1333: optname = SO_BSDCOMPAT;
1334: break;
1.1 root 1335: #endif
1.1.1.4 root 1336: case TARGET_SO_PASSCRED:
1337: optname = SO_PASSCRED;
1338: break;
1339: case TARGET_SO_TIMESTAMP:
1340: optname = SO_TIMESTAMP;
1341: break;
1342: case TARGET_SO_RCVLOWAT:
1343: optname = SO_RCVLOWAT;
1344: break;
1345: case TARGET_SO_RCVTIMEO:
1346: optname = SO_RCVTIMEO;
1347: break;
1348: case TARGET_SO_SNDTIMEO:
1349: optname = SO_SNDTIMEO;
1350: break;
1.1 root 1351: break;
1352: default:
1353: goto unimplemented;
1354: }
1.1.1.4 root 1355: if (optlen < sizeof(uint32_t))
1.1.1.6 root 1356: return -TARGET_EINVAL;
1.1.1.4 root 1357:
1.1.1.6 root 1358: if (get_user_u32(val, optval_addr))
1359: return -TARGET_EFAULT;
1.1.1.4 root 1360: ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
1.1 root 1361: break;
1362: default:
1363: unimplemented:
1364: gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
1.1.1.6 root 1365: ret = -TARGET_ENOPROTOOPT;
1.1 root 1366: }
1367: return ret;
1368: }
1369:
1.1.1.6 root 1370: /* do_getsockopt() Must return target values and target errnos. */
1371: static abi_long do_getsockopt(int sockfd, int level, int optname,
1372: abi_ulong optval_addr, abi_ulong optlen)
1.1 root 1373: {
1.1.1.6 root 1374: abi_long ret;
1.1.1.7 root 1375: int len, val;
1376: socklen_t lv;
1.1 root 1377:
1378: switch(level) {
1.1.1.4 root 1379: case TARGET_SOL_SOCKET:
1.1.1.11! root 1380: level = SOL_SOCKET;
! 1381: switch (optname) {
! 1382: /* These don't just return a single integer */
! 1383: case TARGET_SO_LINGER:
! 1384: case TARGET_SO_RCVTIMEO:
! 1385: case TARGET_SO_SNDTIMEO:
! 1386: case TARGET_SO_PEERCRED:
! 1387: case TARGET_SO_PEERNAME:
! 1388: goto unimplemented;
! 1389: /* Options with 'int' argument. */
! 1390: case TARGET_SO_DEBUG:
! 1391: optname = SO_DEBUG;
! 1392: goto int_case;
! 1393: case TARGET_SO_REUSEADDR:
! 1394: optname = SO_REUSEADDR;
! 1395: goto int_case;
! 1396: case TARGET_SO_TYPE:
! 1397: optname = SO_TYPE;
! 1398: goto int_case;
! 1399: case TARGET_SO_ERROR:
! 1400: optname = SO_ERROR;
! 1401: goto int_case;
! 1402: case TARGET_SO_DONTROUTE:
! 1403: optname = SO_DONTROUTE;
! 1404: goto int_case;
! 1405: case TARGET_SO_BROADCAST:
! 1406: optname = SO_BROADCAST;
! 1407: goto int_case;
! 1408: case TARGET_SO_SNDBUF:
! 1409: optname = SO_SNDBUF;
! 1410: goto int_case;
! 1411: case TARGET_SO_RCVBUF:
! 1412: optname = SO_RCVBUF;
! 1413: goto int_case;
! 1414: case TARGET_SO_KEEPALIVE:
! 1415: optname = SO_KEEPALIVE;
! 1416: goto int_case;
! 1417: case TARGET_SO_OOBINLINE:
! 1418: optname = SO_OOBINLINE;
! 1419: goto int_case;
! 1420: case TARGET_SO_NO_CHECK:
! 1421: optname = SO_NO_CHECK;
! 1422: goto int_case;
! 1423: case TARGET_SO_PRIORITY:
! 1424: optname = SO_PRIORITY;
! 1425: goto int_case;
! 1426: #ifdef SO_BSDCOMPAT
! 1427: case TARGET_SO_BSDCOMPAT:
! 1428: optname = SO_BSDCOMPAT;
! 1429: goto int_case;
! 1430: #endif
! 1431: case TARGET_SO_PASSCRED:
! 1432: optname = SO_PASSCRED;
! 1433: goto int_case;
! 1434: case TARGET_SO_TIMESTAMP:
! 1435: optname = SO_TIMESTAMP;
! 1436: goto int_case;
! 1437: case TARGET_SO_RCVLOWAT:
! 1438: optname = SO_RCVLOWAT;
! 1439: goto int_case;
1.1 root 1440: default:
1441: goto int_case;
1442: }
1443: break;
1444: case SOL_TCP:
1445: /* TCP options all take an 'int' value. */
1446: int_case:
1.1.1.6 root 1447: if (get_user_u32(len, optlen))
1448: return -TARGET_EFAULT;
1.1 root 1449: if (len < 0)
1.1.1.6 root 1450: return -TARGET_EINVAL;
1.1 root 1451: lv = sizeof(int);
1452: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1453: if (ret < 0)
1454: return ret;
1455: if (len > lv)
1456: len = lv;
1.1.1.6 root 1457: if (len == 4) {
1458: if (put_user_u32(val, optval_addr))
1459: return -TARGET_EFAULT;
1460: } else {
1461: if (put_user_u8(val, optval_addr))
1462: return -TARGET_EFAULT;
1.1.1.11! root 1463: }
1.1.1.6 root 1464: if (put_user_u32(len, optlen))
1465: return -TARGET_EFAULT;
1.1 root 1466: break;
1467: case SOL_IP:
1468: switch(optname) {
1469: case IP_TOS:
1470: case IP_TTL:
1471: case IP_HDRINCL:
1472: case IP_ROUTER_ALERT:
1473: case IP_RECVOPTS:
1474: case IP_RETOPTS:
1475: case IP_PKTINFO:
1476: case IP_MTU_DISCOVER:
1477: case IP_RECVERR:
1478: case IP_RECVTOS:
1479: #ifdef IP_FREEBIND
1480: case IP_FREEBIND:
1481: #endif
1482: case IP_MULTICAST_TTL:
1483: case IP_MULTICAST_LOOP:
1.1.1.6 root 1484: if (get_user_u32(len, optlen))
1485: return -TARGET_EFAULT;
1.1 root 1486: if (len < 0)
1.1.1.6 root 1487: return -TARGET_EINVAL;
1.1 root 1488: lv = sizeof(int);
1489: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1490: if (ret < 0)
1491: return ret;
1492: if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
1493: len = 1;
1.1.1.6 root 1494: if (put_user_u32(len, optlen)
1495: || put_user_u8(val, optval_addr))
1496: return -TARGET_EFAULT;
1.1 root 1497: } else {
1498: if (len > sizeof(int))
1499: len = sizeof(int);
1.1.1.6 root 1500: if (put_user_u32(len, optlen)
1501: || put_user_u32(val, optval_addr))
1502: return -TARGET_EFAULT;
1.1 root 1503: }
1504: break;
1505: default:
1.1.1.6 root 1506: ret = -TARGET_ENOPROTOOPT;
1507: break;
1.1 root 1508: }
1509: break;
1510: default:
1511: unimplemented:
1512: gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1513: level, optname);
1.1.1.6 root 1514: ret = -TARGET_EOPNOTSUPP;
1.1 root 1515: break;
1516: }
1517: return ret;
1518: }
1519:
1.1.1.6 root 1520: /* FIXME
1521: * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1522: * other lock functions have a return code of 0 for failure.
1523: */
1524: static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1525: int count, int copy)
1.1.1.3 root 1526: {
1527: struct target_iovec *target_vec;
1.1.1.6 root 1528: abi_ulong base;
1.1.1.7 root 1529: int i;
1.1.1.3 root 1530:
1.1.1.6 root 1531: target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1532: if (!target_vec)
1533: return -TARGET_EFAULT;
1.1.1.3 root 1534: for(i = 0;i < count; i++) {
1535: base = tswapl(target_vec[i].iov_base);
1536: vec[i].iov_len = tswapl(target_vec[i].iov_len);
1.1.1.7 root 1537: if (vec[i].iov_len != 0) {
1538: vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
1539: /* Don't check lock_user return value. We must call writev even
1540: if a element has invalid base address. */
1541: } else {
1542: /* zero length pointer is ignored */
1543: vec[i].iov_base = NULL;
1544: }
1.1.1.6 root 1545: }
1546: unlock_user (target_vec, target_addr, 0);
1547: return 0;
1.1.1.3 root 1548: }
1549:
1.1.1.6 root 1550: static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1551: int count, int copy)
1.1.1.3 root 1552: {
1553: struct target_iovec *target_vec;
1.1.1.6 root 1554: abi_ulong base;
1.1.1.3 root 1555: int i;
1556:
1.1.1.6 root 1557: target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1558: if (!target_vec)
1559: return -TARGET_EFAULT;
1.1.1.3 root 1560: for(i = 0;i < count; i++) {
1.1.1.7 root 1561: if (target_vec[i].iov_base) {
1562: base = tswapl(target_vec[i].iov_base);
1563: unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1564: }
1.1.1.3 root 1565: }
1566: unlock_user (target_vec, target_addr, 0);
1.1.1.6 root 1567:
1568: return 0;
1.1.1.3 root 1569: }
1570:
1.1.1.6 root 1571: /* do_socket() Must return target values and target errnos. */
1572: static abi_long do_socket(int domain, int type, int protocol)
1.1.1.4 root 1573: {
1574: #if defined(TARGET_MIPS)
1575: switch(type) {
1576: case TARGET_SOCK_DGRAM:
1577: type = SOCK_DGRAM;
1578: break;
1579: case TARGET_SOCK_STREAM:
1580: type = SOCK_STREAM;
1581: break;
1582: case TARGET_SOCK_RAW:
1583: type = SOCK_RAW;
1584: break;
1585: case TARGET_SOCK_RDM:
1586: type = SOCK_RDM;
1587: break;
1588: case TARGET_SOCK_SEQPACKET:
1589: type = SOCK_SEQPACKET;
1590: break;
1591: case TARGET_SOCK_PACKET:
1592: type = SOCK_PACKET;
1593: break;
1594: }
1595: #endif
1.1.1.6 root 1596: if (domain == PF_NETLINK)
1597: return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
1.1.1.4 root 1598: return get_errno(socket(domain, type, protocol));
1599: }
1600:
1.1.1.6 root 1601: /* do_bind() Must return target values and target errnos. */
1602: static abi_long do_bind(int sockfd, abi_ulong target_addr,
1603: socklen_t addrlen)
1.1.1.4 root 1604: {
1.1.1.7 root 1605: void *addr;
1.1.1.8 root 1606: abi_long ret;
1.1.1.7 root 1607:
1.1.1.11! root 1608: if ((int)addrlen < 0) {
1.1.1.7 root 1609: return -TARGET_EINVAL;
1.1.1.11! root 1610: }
1.1.1.7 root 1611:
1.1.1.8 root 1612: addr = alloca(addrlen+1);
1613:
1614: ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1615: if (ret)
1616: return ret;
1.1.1.6 root 1617:
1.1.1.4 root 1618: return get_errno(bind(sockfd, addr, addrlen));
1619: }
1620:
1.1.1.6 root 1621: /* do_connect() Must return target values and target errnos. */
1622: static abi_long do_connect(int sockfd, abi_ulong target_addr,
1623: socklen_t addrlen)
1.1.1.4 root 1624: {
1.1.1.7 root 1625: void *addr;
1.1.1.8 root 1626: abi_long ret;
1.1.1.7 root 1627:
1.1.1.11! root 1628: if ((int)addrlen < 0) {
1.1.1.7 root 1629: return -TARGET_EINVAL;
1.1.1.11! root 1630: }
1.1.1.7 root 1631:
1632: addr = alloca(addrlen);
1.1.1.6 root 1633:
1.1.1.8 root 1634: ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1635: if (ret)
1636: return ret;
1637:
1.1.1.4 root 1638: return get_errno(connect(sockfd, addr, addrlen));
1639: }
1640:
1.1.1.6 root 1641: /* do_sendrecvmsg() Must return target values and target errnos. */
1642: static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1643: int flags, int send)
1.1.1.4 root 1644: {
1.1.1.7 root 1645: abi_long ret, len;
1.1.1.4 root 1646: struct target_msghdr *msgp;
1647: struct msghdr msg;
1648: int count;
1649: struct iovec *vec;
1.1.1.6 root 1650: abi_ulong target_vec;
1.1.1.4 root 1651:
1.1.1.6 root 1652: /* FIXME */
1653: if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1654: msgp,
1655: target_msg,
1656: send ? 1 : 0))
1657: return -TARGET_EFAULT;
1.1.1.4 root 1658: if (msgp->msg_name) {
1659: msg.msg_namelen = tswap32(msgp->msg_namelen);
1660: msg.msg_name = alloca(msg.msg_namelen);
1.1.1.8 root 1661: ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1.1.1.4 root 1662: msg.msg_namelen);
1.1.1.8 root 1663: if (ret) {
1664: unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1665: return ret;
1666: }
1.1.1.4 root 1667: } else {
1668: msg.msg_name = NULL;
1669: msg.msg_namelen = 0;
1670: }
1671: msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1672: msg.msg_control = alloca(msg.msg_controllen);
1673: msg.msg_flags = tswap32(msgp->msg_flags);
1.1.1.6 root 1674:
1.1.1.4 root 1675: count = tswapl(msgp->msg_iovlen);
1676: vec = alloca(count * sizeof(struct iovec));
1677: target_vec = tswapl(msgp->msg_iov);
1.1.1.6 root 1678: lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
1.1.1.4 root 1679: msg.msg_iovlen = count;
1680: msg.msg_iov = vec;
1.1.1.6 root 1681:
1.1.1.4 root 1682: if (send) {
1.1.1.6 root 1683: ret = target_to_host_cmsg(&msg, msgp);
1684: if (ret == 0)
1685: ret = get_errno(sendmsg(fd, &msg, flags));
1.1.1.4 root 1686: } else {
1687: ret = get_errno(recvmsg(fd, &msg, flags));
1.1.1.7 root 1688: if (!is_error(ret)) {
1689: len = ret;
1.1.1.6 root 1690: ret = host_to_target_cmsg(msgp, &msg);
1.1.1.7 root 1691: if (!is_error(ret))
1692: ret = len;
1693: }
1.1.1.4 root 1694: }
1695: unlock_iovec(vec, target_vec, count, !send);
1.1.1.6 root 1696: unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1.1.1.4 root 1697: return ret;
1698: }
1699:
1.1.1.6 root 1700: /* do_accept() Must return target values and target errnos. */
1701: static abi_long do_accept(int fd, abi_ulong target_addr,
1702: abi_ulong target_addrlen_addr)
1.1.1.5 root 1703: {
1.1.1.6 root 1704: socklen_t addrlen;
1705: void *addr;
1706: abi_long ret;
1707:
1.1.1.8 root 1708: if (target_addr == 0)
1709: return get_errno(accept(fd, NULL, NULL));
1710:
1711: /* linux returns EINVAL if addrlen pointer is invalid */
1.1.1.6 root 1712: if (get_user_u32(addrlen, target_addrlen_addr))
1.1.1.8 root 1713: return -TARGET_EINVAL;
1714:
1.1.1.11! root 1715: if ((int)addrlen < 0) {
1.1.1.8 root 1716: return -TARGET_EINVAL;
1.1.1.11! root 1717: }
1.1.1.6 root 1718:
1.1.1.8 root 1719: if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1.1.1.7 root 1720: return -TARGET_EINVAL;
1721:
1.1.1.6 root 1722: addr = alloca(addrlen);
1.1.1.5 root 1723:
1724: ret = get_errno(accept(fd, addr, &addrlen));
1725: if (!is_error(ret)) {
1726: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1727: if (put_user_u32(addrlen, target_addrlen_addr))
1728: ret = -TARGET_EFAULT;
1.1.1.5 root 1729: }
1730: return ret;
1731: }
1732:
1.1.1.6 root 1733: /* do_getpeername() Must return target values and target errnos. */
1734: static abi_long do_getpeername(int fd, abi_ulong target_addr,
1735: abi_ulong target_addrlen_addr)
1.1.1.5 root 1736: {
1.1.1.6 root 1737: socklen_t addrlen;
1738: void *addr;
1739: abi_long ret;
1740:
1741: if (get_user_u32(addrlen, target_addrlen_addr))
1742: return -TARGET_EFAULT;
1743:
1.1.1.11! root 1744: if ((int)addrlen < 0) {
1.1.1.7 root 1745: return -TARGET_EINVAL;
1.1.1.11! root 1746: }
1.1.1.7 root 1747:
1.1.1.8 root 1748: if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1749: return -TARGET_EFAULT;
1750:
1.1.1.6 root 1751: addr = alloca(addrlen);
1.1.1.5 root 1752:
1753: ret = get_errno(getpeername(fd, addr, &addrlen));
1754: if (!is_error(ret)) {
1755: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1756: if (put_user_u32(addrlen, target_addrlen_addr))
1757: ret = -TARGET_EFAULT;
1.1.1.5 root 1758: }
1759: return ret;
1760: }
1761:
1.1.1.6 root 1762: /* do_getsockname() Must return target values and target errnos. */
1763: static abi_long do_getsockname(int fd, abi_ulong target_addr,
1764: abi_ulong target_addrlen_addr)
1.1.1.5 root 1765: {
1.1.1.6 root 1766: socklen_t addrlen;
1767: void *addr;
1768: abi_long ret;
1769:
1770: if (get_user_u32(addrlen, target_addrlen_addr))
1771: return -TARGET_EFAULT;
1772:
1.1.1.11! root 1773: if ((int)addrlen < 0) {
1.1.1.7 root 1774: return -TARGET_EINVAL;
1.1.1.11! root 1775: }
1.1.1.7 root 1776:
1.1.1.8 root 1777: if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1778: return -TARGET_EFAULT;
1779:
1.1.1.6 root 1780: addr = alloca(addrlen);
1.1.1.5 root 1781:
1782: ret = get_errno(getsockname(fd, addr, &addrlen));
1783: if (!is_error(ret)) {
1784: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1785: if (put_user_u32(addrlen, target_addrlen_addr))
1786: ret = -TARGET_EFAULT;
1.1.1.5 root 1787: }
1788: return ret;
1789: }
1790:
1.1.1.6 root 1791: /* do_socketpair() Must return target values and target errnos. */
1792: static abi_long do_socketpair(int domain, int type, int protocol,
1793: abi_ulong target_tab_addr)
1.1.1.5 root 1794: {
1795: int tab[2];
1.1.1.6 root 1796: abi_long ret;
1.1.1.5 root 1797:
1798: ret = get_errno(socketpair(domain, type, protocol, tab));
1799: if (!is_error(ret)) {
1.1.1.6 root 1800: if (put_user_s32(tab[0], target_tab_addr)
1801: || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1802: ret = -TARGET_EFAULT;
1.1.1.5 root 1803: }
1804: return ret;
1805: }
1806:
1.1.1.6 root 1807: /* do_sendto() Must return target values and target errnos. */
1808: static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1809: abi_ulong target_addr, socklen_t addrlen)
1.1.1.5 root 1810: {
1811: void *addr;
1812: void *host_msg;
1.1.1.6 root 1813: abi_long ret;
1.1.1.5 root 1814:
1.1.1.11! root 1815: if ((int)addrlen < 0) {
1.1.1.7 root 1816: return -TARGET_EINVAL;
1.1.1.11! root 1817: }
1.1.1.7 root 1818:
1.1.1.6 root 1819: host_msg = lock_user(VERIFY_READ, msg, len, 1);
1820: if (!host_msg)
1821: return -TARGET_EFAULT;
1.1.1.5 root 1822: if (target_addr) {
1823: addr = alloca(addrlen);
1.1.1.8 root 1824: ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1825: if (ret) {
1826: unlock_user(host_msg, msg, 0);
1827: return ret;
1828: }
1.1.1.5 root 1829: ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1830: } else {
1831: ret = get_errno(send(fd, host_msg, len, flags));
1832: }
1833: unlock_user(host_msg, msg, 0);
1834: return ret;
1835: }
1836:
1.1.1.6 root 1837: /* do_recvfrom() Must return target values and target errnos. */
1838: static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1839: abi_ulong target_addr,
1840: abi_ulong target_addrlen)
1.1.1.5 root 1841: {
1842: socklen_t addrlen;
1843: void *addr;
1844: void *host_msg;
1.1.1.6 root 1845: abi_long ret;
1.1.1.5 root 1846:
1.1.1.6 root 1847: host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1848: if (!host_msg)
1849: return -TARGET_EFAULT;
1.1.1.5 root 1850: if (target_addr) {
1.1.1.6 root 1851: if (get_user_u32(addrlen, target_addrlen)) {
1852: ret = -TARGET_EFAULT;
1853: goto fail;
1854: }
1.1.1.11! root 1855: if ((int)addrlen < 0) {
1.1.1.7 root 1856: ret = -TARGET_EINVAL;
1857: goto fail;
1858: }
1.1.1.5 root 1859: addr = alloca(addrlen);
1860: ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1861: } else {
1862: addr = NULL; /* To keep compiler quiet. */
1863: ret = get_errno(recv(fd, host_msg, len, flags));
1864: }
1865: if (!is_error(ret)) {
1866: if (target_addr) {
1867: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1868: if (put_user_u32(addrlen, target_addrlen)) {
1869: ret = -TARGET_EFAULT;
1870: goto fail;
1871: }
1.1.1.5 root 1872: }
1873: unlock_user(host_msg, msg, len);
1874: } else {
1.1.1.6 root 1875: fail:
1.1.1.5 root 1876: unlock_user(host_msg, msg, 0);
1877: }
1878: return ret;
1879: }
1880:
1.1.1.6 root 1881: #ifdef TARGET_NR_socketcall
1882: /* do_socketcall() Must return target values and target errnos. */
1883: static abi_long do_socketcall(int num, abi_ulong vptr)
1.1 root 1884: {
1.1.1.6 root 1885: abi_long ret;
1886: const int n = sizeof(abi_ulong);
1.1 root 1887:
1888: switch(num) {
1889: case SOCKOP_socket:
1890: {
1.1.1.8 root 1891: abi_ulong domain, type, protocol;
1.1.1.6 root 1892:
1.1.1.8 root 1893: if (get_user_ual(domain, vptr)
1894: || get_user_ual(type, vptr + n)
1895: || get_user_ual(protocol, vptr + 2 * n))
1.1.1.6 root 1896: return -TARGET_EFAULT;
1897:
1.1.1.4 root 1898: ret = do_socket(domain, type, protocol);
1.1 root 1899: }
1900: break;
1901: case SOCKOP_bind:
1902: {
1.1.1.8 root 1903: abi_ulong sockfd;
1.1.1.6 root 1904: abi_ulong target_addr;
1905: socklen_t addrlen;
1906:
1.1.1.8 root 1907: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 1908: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 1909: || get_user_ual(addrlen, vptr + 2 * n))
1.1.1.6 root 1910: return -TARGET_EFAULT;
1911:
1.1.1.4 root 1912: ret = do_bind(sockfd, target_addr, addrlen);
1.1 root 1913: }
1914: break;
1915: case SOCKOP_connect:
1916: {
1.1.1.8 root 1917: abi_ulong sockfd;
1.1.1.6 root 1918: abi_ulong target_addr;
1919: socklen_t addrlen;
1920:
1.1.1.8 root 1921: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 1922: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 1923: || get_user_ual(addrlen, vptr + 2 * n))
1.1.1.6 root 1924: return -TARGET_EFAULT;
1925:
1.1.1.4 root 1926: ret = do_connect(sockfd, target_addr, addrlen);
1.1 root 1927: }
1928: break;
1929: case SOCKOP_listen:
1930: {
1.1.1.8 root 1931: abi_ulong sockfd, backlog;
1.1.1.6 root 1932:
1.1.1.8 root 1933: if (get_user_ual(sockfd, vptr)
1934: || get_user_ual(backlog, vptr + n))
1.1.1.6 root 1935: return -TARGET_EFAULT;
1936:
1.1 root 1937: ret = get_errno(listen(sockfd, backlog));
1938: }
1939: break;
1940: case SOCKOP_accept:
1941: {
1.1.1.8 root 1942: abi_ulong sockfd;
1.1.1.6 root 1943: abi_ulong target_addr, target_addrlen;
1944:
1.1.1.8 root 1945: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 1946: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 1947: || get_user_ual(target_addrlen, vptr + 2 * n))
1.1.1.6 root 1948: return -TARGET_EFAULT;
1949:
1.1.1.5 root 1950: ret = do_accept(sockfd, target_addr, target_addrlen);
1.1 root 1951: }
1952: break;
1953: case SOCKOP_getsockname:
1954: {
1.1.1.8 root 1955: abi_ulong sockfd;
1.1.1.6 root 1956: abi_ulong target_addr, target_addrlen;
1957:
1.1.1.8 root 1958: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 1959: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 1960: || get_user_ual(target_addrlen, vptr + 2 * n))
1.1.1.6 root 1961: return -TARGET_EFAULT;
1962:
1.1.1.5 root 1963: ret = do_getsockname(sockfd, target_addr, target_addrlen);
1.1 root 1964: }
1965: break;
1966: case SOCKOP_getpeername:
1967: {
1.1.1.8 root 1968: abi_ulong sockfd;
1.1.1.6 root 1969: abi_ulong target_addr, target_addrlen;
1970:
1.1.1.8 root 1971: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 1972: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 1973: || get_user_ual(target_addrlen, vptr + 2 * n))
1.1.1.6 root 1974: return -TARGET_EFAULT;
1975:
1.1.1.5 root 1976: ret = do_getpeername(sockfd, target_addr, target_addrlen);
1.1 root 1977: }
1978: break;
1979: case SOCKOP_socketpair:
1980: {
1.1.1.8 root 1981: abi_ulong domain, type, protocol;
1.1.1.6 root 1982: abi_ulong tab;
1983:
1.1.1.8 root 1984: if (get_user_ual(domain, vptr)
1985: || get_user_ual(type, vptr + n)
1986: || get_user_ual(protocol, vptr + 2 * n)
1.1.1.6 root 1987: || get_user_ual(tab, vptr + 3 * n))
1988: return -TARGET_EFAULT;
1989:
1.1.1.5 root 1990: ret = do_socketpair(domain, type, protocol, tab);
1.1 root 1991: }
1992: break;
1993: case SOCKOP_send:
1994: {
1.1.1.8 root 1995: abi_ulong sockfd;
1.1.1.6 root 1996: abi_ulong msg;
1997: size_t len;
1.1.1.8 root 1998: abi_ulong flags;
1.1.1.6 root 1999:
1.1.1.8 root 2000: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2001: || get_user_ual(msg, vptr + n)
2002: || get_user_ual(len, vptr + 2 * n)
1.1.1.8 root 2003: || get_user_ual(flags, vptr + 3 * n))
1.1.1.6 root 2004: return -TARGET_EFAULT;
2005:
1.1.1.5 root 2006: ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1.1 root 2007: }
2008: break;
2009: case SOCKOP_recv:
2010: {
1.1.1.8 root 2011: abi_ulong sockfd;
1.1.1.6 root 2012: abi_ulong msg;
2013: size_t len;
1.1.1.8 root 2014: abi_ulong flags;
1.1.1.6 root 2015:
1.1.1.8 root 2016: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2017: || get_user_ual(msg, vptr + n)
2018: || get_user_ual(len, vptr + 2 * n)
1.1.1.8 root 2019: || get_user_ual(flags, vptr + 3 * n))
1.1.1.6 root 2020: return -TARGET_EFAULT;
2021:
1.1.1.5 root 2022: ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1.1 root 2023: }
2024: break;
2025: case SOCKOP_sendto:
2026: {
1.1.1.8 root 2027: abi_ulong sockfd;
1.1.1.6 root 2028: abi_ulong msg;
2029: size_t len;
1.1.1.8 root 2030: abi_ulong flags;
1.1.1.6 root 2031: abi_ulong addr;
2032: socklen_t addrlen;
2033:
1.1.1.8 root 2034: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2035: || get_user_ual(msg, vptr + n)
2036: || get_user_ual(len, vptr + 2 * n)
1.1.1.8 root 2037: || get_user_ual(flags, vptr + 3 * n)
1.1.1.6 root 2038: || get_user_ual(addr, vptr + 4 * n)
1.1.1.8 root 2039: || get_user_ual(addrlen, vptr + 5 * n))
1.1.1.6 root 2040: return -TARGET_EFAULT;
2041:
1.1.1.5 root 2042: ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1.1 root 2043: }
2044: break;
2045: case SOCKOP_recvfrom:
2046: {
1.1.1.8 root 2047: abi_ulong sockfd;
1.1.1.6 root 2048: abi_ulong msg;
2049: size_t len;
1.1.1.8 root 2050: abi_ulong flags;
1.1.1.6 root 2051: abi_ulong addr;
2052: socklen_t addrlen;
2053:
1.1.1.8 root 2054: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2055: || get_user_ual(msg, vptr + n)
2056: || get_user_ual(len, vptr + 2 * n)
1.1.1.8 root 2057: || get_user_ual(flags, vptr + 3 * n)
1.1.1.6 root 2058: || get_user_ual(addr, vptr + 4 * n)
1.1.1.8 root 2059: || get_user_ual(addrlen, vptr + 5 * n))
1.1.1.6 root 2060: return -TARGET_EFAULT;
2061:
1.1.1.5 root 2062: ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1.1 root 2063: }
2064: break;
2065: case SOCKOP_shutdown:
2066: {
1.1.1.8 root 2067: abi_ulong sockfd, how;
1.1.1.6 root 2068:
1.1.1.8 root 2069: if (get_user_ual(sockfd, vptr)
2070: || get_user_ual(how, vptr + n))
1.1.1.6 root 2071: return -TARGET_EFAULT;
1.1 root 2072:
2073: ret = get_errno(shutdown(sockfd, how));
2074: }
2075: break;
2076: case SOCKOP_sendmsg:
2077: case SOCKOP_recvmsg:
2078: {
1.1.1.8 root 2079: abi_ulong fd;
1.1.1.6 root 2080: abi_ulong target_msg;
1.1.1.8 root 2081: abi_ulong flags;
1.1 root 2082:
1.1.1.8 root 2083: if (get_user_ual(fd, vptr)
1.1.1.6 root 2084: || get_user_ual(target_msg, vptr + n)
1.1.1.8 root 2085: || get_user_ual(flags, vptr + 2 * n))
1.1.1.6 root 2086: return -TARGET_EFAULT;
1.1.1.4 root 2087:
1.1.1.6 root 2088: ret = do_sendrecvmsg(fd, target_msg, flags,
1.1.1.4 root 2089: (num == SOCKOP_sendmsg));
1.1 root 2090: }
2091: break;
2092: case SOCKOP_setsockopt:
2093: {
1.1.1.8 root 2094: abi_ulong sockfd;
2095: abi_ulong level;
2096: abi_ulong optname;
1.1.1.6 root 2097: abi_ulong optval;
2098: socklen_t optlen;
2099:
1.1.1.8 root 2100: if (get_user_ual(sockfd, vptr)
2101: || get_user_ual(level, vptr + n)
2102: || get_user_ual(optname, vptr + 2 * n)
1.1.1.6 root 2103: || get_user_ual(optval, vptr + 3 * n)
1.1.1.8 root 2104: || get_user_ual(optlen, vptr + 4 * n))
1.1.1.6 root 2105: return -TARGET_EFAULT;
1.1 root 2106:
2107: ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2108: }
2109: break;
2110: case SOCKOP_getsockopt:
2111: {
1.1.1.8 root 2112: abi_ulong sockfd;
2113: abi_ulong level;
2114: abi_ulong optname;
1.1.1.6 root 2115: abi_ulong optval;
2116: socklen_t optlen;
2117:
1.1.1.8 root 2118: if (get_user_ual(sockfd, vptr)
2119: || get_user_ual(level, vptr + n)
2120: || get_user_ual(optname, vptr + 2 * n)
1.1.1.6 root 2121: || get_user_ual(optval, vptr + 3 * n)
1.1.1.8 root 2122: || get_user_ual(optlen, vptr + 4 * n))
1.1.1.6 root 2123: return -TARGET_EFAULT;
1.1 root 2124:
1.1.1.6 root 2125: ret = do_getsockopt(sockfd, level, optname, optval, optlen);
1.1 root 2126: }
2127: break;
2128: default:
2129: gemu_log("Unsupported socketcall: %d\n", num);
1.1.1.6 root 2130: ret = -TARGET_ENOSYS;
1.1 root 2131: break;
2132: }
2133: return ret;
2134: }
1.1.1.6 root 2135: #endif
1.1 root 2136:
2137: #define N_SHM_REGIONS 32
2138:
2139: static struct shm_region {
1.1.1.6 root 2140: abi_ulong start;
2141: abi_ulong size;
1.1 root 2142: } shm_regions[N_SHM_REGIONS];
2143:
1.1.1.6 root 2144: struct target_ipc_perm
2145: {
2146: abi_long __key;
2147: abi_ulong uid;
2148: abi_ulong gid;
2149: abi_ulong cuid;
2150: abi_ulong cgid;
2151: unsigned short int mode;
2152: unsigned short int __pad1;
2153: unsigned short int __seq;
2154: unsigned short int __pad2;
2155: abi_ulong __unused1;
2156: abi_ulong __unused2;
2157: };
2158:
2159: struct target_semid_ds
2160: {
2161: struct target_ipc_perm sem_perm;
2162: abi_ulong sem_otime;
2163: abi_ulong __unused1;
2164: abi_ulong sem_ctime;
2165: abi_ulong __unused2;
2166: abi_ulong sem_nsems;
2167: abi_ulong __unused3;
2168: abi_ulong __unused4;
2169: };
2170:
2171: static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2172: abi_ulong target_addr)
2173: {
2174: struct target_ipc_perm *target_ip;
2175: struct target_semid_ds *target_sd;
2176:
2177: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2178: return -TARGET_EFAULT;
1.1.1.9 root 2179: target_ip = &(target_sd->sem_perm);
1.1.1.6 root 2180: host_ip->__key = tswapl(target_ip->__key);
2181: host_ip->uid = tswapl(target_ip->uid);
2182: host_ip->gid = tswapl(target_ip->gid);
2183: host_ip->cuid = tswapl(target_ip->cuid);
2184: host_ip->cgid = tswapl(target_ip->cgid);
2185: host_ip->mode = tswapl(target_ip->mode);
2186: unlock_user_struct(target_sd, target_addr, 0);
2187: return 0;
2188: }
2189:
2190: static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2191: struct ipc_perm *host_ip)
2192: {
2193: struct target_ipc_perm *target_ip;
2194: struct target_semid_ds *target_sd;
2195:
2196: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2197: return -TARGET_EFAULT;
2198: target_ip = &(target_sd->sem_perm);
2199: target_ip->__key = tswapl(host_ip->__key);
2200: target_ip->uid = tswapl(host_ip->uid);
2201: target_ip->gid = tswapl(host_ip->gid);
2202: target_ip->cuid = tswapl(host_ip->cuid);
2203: target_ip->cgid = tswapl(host_ip->cgid);
2204: target_ip->mode = tswapl(host_ip->mode);
2205: unlock_user_struct(target_sd, target_addr, 1);
2206: return 0;
2207: }
2208:
2209: static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2210: abi_ulong target_addr)
2211: {
2212: struct target_semid_ds *target_sd;
2213:
2214: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2215: return -TARGET_EFAULT;
1.1.1.8 root 2216: if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2217: return -TARGET_EFAULT;
1.1.1.6 root 2218: host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2219: host_sd->sem_otime = tswapl(target_sd->sem_otime);
2220: host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2221: unlock_user_struct(target_sd, target_addr, 0);
2222: return 0;
2223: }
2224:
2225: static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2226: struct semid_ds *host_sd)
2227: {
2228: struct target_semid_ds *target_sd;
2229:
2230: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2231: return -TARGET_EFAULT;
1.1.1.8 root 2232: if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2233: return -TARGET_EFAULT;;
1.1.1.6 root 2234: target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2235: target_sd->sem_otime = tswapl(host_sd->sem_otime);
2236: target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2237: unlock_user_struct(target_sd, target_addr, 1);
2238: return 0;
2239: }
2240:
1.1.1.8 root 2241: struct target_seminfo {
2242: int semmap;
2243: int semmni;
2244: int semmns;
2245: int semmnu;
2246: int semmsl;
2247: int semopm;
2248: int semume;
2249: int semusz;
2250: int semvmx;
2251: int semaem;
2252: };
2253:
2254: static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2255: struct seminfo *host_seminfo)
2256: {
2257: struct target_seminfo *target_seminfo;
2258: if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2259: return -TARGET_EFAULT;
2260: __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2261: __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2262: __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2263: __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2264: __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2265: __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2266: __put_user(host_seminfo->semume, &target_seminfo->semume);
2267: __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2268: __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2269: __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2270: unlock_user_struct(target_seminfo, target_addr, 1);
2271: return 0;
2272: }
2273:
1.1.1.5 root 2274: union semun {
2275: int val;
1.1.1.6 root 2276: struct semid_ds *buf;
1.1.1.5 root 2277: unsigned short *array;
1.1.1.8 root 2278: struct seminfo *__buf;
1.1.1.5 root 2279: };
2280:
1.1.1.6 root 2281: union target_semun {
2282: int val;
1.1.1.8 root 2283: abi_ulong buf;
2284: abi_ulong array;
2285: abi_ulong __buf;
1.1.1.6 root 2286: };
2287:
1.1.1.8 root 2288: static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2289: abi_ulong target_addr)
1.1.1.6 root 2290: {
1.1.1.8 root 2291: int nsems;
2292: unsigned short *array;
2293: union semun semun;
2294: struct semid_ds semid_ds;
2295: int i, ret;
1.1.1.6 root 2296:
1.1.1.8 root 2297: semun.buf = &semid_ds;
2298:
2299: ret = semctl(semid, 0, IPC_STAT, semun);
2300: if (ret == -1)
2301: return get_errno(ret);
2302:
2303: nsems = semid_ds.sem_nsems;
2304:
2305: *host_array = malloc(nsems*sizeof(unsigned short));
2306: array = lock_user(VERIFY_READ, target_addr,
2307: nsems*sizeof(unsigned short), 1);
2308: if (!array)
2309: return -TARGET_EFAULT;
2310:
2311: for(i=0; i<nsems; i++) {
2312: __get_user((*host_array)[i], &array[i]);
1.1.1.6 root 2313: }
1.1.1.8 root 2314: unlock_user(array, target_addr, 0);
2315:
1.1.1.6 root 2316: return 0;
2317: }
2318:
1.1.1.8 root 2319: static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2320: unsigned short **host_array)
1.1.1.6 root 2321: {
1.1.1.8 root 2322: int nsems;
2323: unsigned short *array;
2324: union semun semun;
2325: struct semid_ds semid_ds;
2326: int i, ret;
1.1.1.6 root 2327:
1.1.1.8 root 2328: semun.buf = &semid_ds;
2329:
2330: ret = semctl(semid, 0, IPC_STAT, semun);
2331: if (ret == -1)
2332: return get_errno(ret);
2333:
2334: nsems = semid_ds.sem_nsems;
2335:
2336: array = lock_user(VERIFY_WRITE, target_addr,
2337: nsems*sizeof(unsigned short), 0);
2338: if (!array)
2339: return -TARGET_EFAULT;
2340:
2341: for(i=0; i<nsems; i++) {
2342: __put_user((*host_array)[i], &array[i]);
1.1.1.6 root 2343: }
1.1.1.8 root 2344: free(*host_array);
2345: unlock_user(array, target_addr, 1);
2346:
1.1.1.6 root 2347: return 0;
2348: }
2349:
1.1.1.8 root 2350: static inline abi_long do_semctl(int semid, int semnum, int cmd,
2351: union target_semun target_su)
1.1.1.6 root 2352: {
2353: union semun arg;
2354: struct semid_ds dsarg;
1.1.1.8 root 2355: unsigned short *array = NULL;
2356: struct seminfo seminfo;
2357: abi_long ret = -TARGET_EINVAL;
2358: abi_long err;
2359: cmd &= 0xff;
1.1.1.6 root 2360:
2361: switch( cmd ) {
2362: case GETVAL:
2363: case SETVAL:
1.1.1.8 root 2364: arg.val = tswapl(target_su.val);
2365: ret = get_errno(semctl(semid, semnum, cmd, arg));
2366: target_su.val = tswapl(arg.val);
1.1.1.6 root 2367: break;
2368: case GETALL:
2369: case SETALL:
1.1.1.8 root 2370: err = target_to_host_semarray(semid, &array, target_su.array);
2371: if (err)
2372: return err;
2373: arg.array = array;
2374: ret = get_errno(semctl(semid, semnum, cmd, arg));
2375: err = host_to_target_semarray(semid, target_su.array, &array);
2376: if (err)
2377: return err;
1.1.1.6 root 2378: break;
2379: case IPC_STAT:
2380: case IPC_SET:
1.1.1.8 root 2381: case SEM_STAT:
2382: err = target_to_host_semid_ds(&dsarg, target_su.buf);
2383: if (err)
2384: return err;
2385: arg.buf = &dsarg;
2386: ret = get_errno(semctl(semid, semnum, cmd, arg));
2387: err = host_to_target_semid_ds(target_su.buf, &dsarg);
2388: if (err)
2389: return err;
2390: break;
2391: case IPC_INFO:
2392: case SEM_INFO:
2393: arg.__buf = &seminfo;
2394: ret = get_errno(semctl(semid, semnum, cmd, arg));
2395: err = host_to_target_seminfo(target_su.__buf, &seminfo);
2396: if (err)
2397: return err;
2398: break;
2399: case IPC_RMID:
2400: case GETPID:
2401: case GETNCNT:
2402: case GETZCNT:
2403: ret = get_errno(semctl(semid, semnum, cmd, NULL));
1.1.1.6 root 2404: break;
2405: }
2406:
2407: return ret;
2408: }
2409:
1.1.1.8 root 2410: struct target_sembuf {
2411: unsigned short sem_num;
2412: short sem_op;
2413: short sem_flg;
2414: };
2415:
2416: static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2417: abi_ulong target_addr,
2418: unsigned nsops)
2419: {
2420: struct target_sembuf *target_sembuf;
2421: int i;
2422:
2423: target_sembuf = lock_user(VERIFY_READ, target_addr,
2424: nsops*sizeof(struct target_sembuf), 1);
2425: if (!target_sembuf)
2426: return -TARGET_EFAULT;
2427:
2428: for(i=0; i<nsops; i++) {
2429: __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2430: __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2431: __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2432: }
2433:
2434: unlock_user(target_sembuf, target_addr, 0);
2435:
2436: return 0;
2437: }
2438:
2439: static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2440: {
2441: struct sembuf sops[nsops];
2442:
2443: if (target_to_host_sembuf(sops, ptr, nsops))
2444: return -TARGET_EFAULT;
2445:
2446: return semop(semid, sops, nsops);
2447: }
2448:
1.1.1.6 root 2449: struct target_msqid_ds
2450: {
1.1.1.7 root 2451: struct target_ipc_perm msg_perm;
2452: abi_ulong msg_stime;
2453: #if TARGET_ABI_BITS == 32
2454: abi_ulong __unused1;
2455: #endif
2456: abi_ulong msg_rtime;
2457: #if TARGET_ABI_BITS == 32
2458: abi_ulong __unused2;
2459: #endif
2460: abi_ulong msg_ctime;
2461: #if TARGET_ABI_BITS == 32
2462: abi_ulong __unused3;
2463: #endif
2464: abi_ulong __msg_cbytes;
2465: abi_ulong msg_qnum;
2466: abi_ulong msg_qbytes;
2467: abi_ulong msg_lspid;
2468: abi_ulong msg_lrpid;
2469: abi_ulong __unused4;
2470: abi_ulong __unused5;
1.1.1.6 root 2471: };
2472:
2473: static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2474: abi_ulong target_addr)
2475: {
2476: struct target_msqid_ds *target_md;
2477:
2478: if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2479: return -TARGET_EFAULT;
1.1.1.7 root 2480: if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2481: return -TARGET_EFAULT;
1.1.1.6 root 2482: host_md->msg_stime = tswapl(target_md->msg_stime);
2483: host_md->msg_rtime = tswapl(target_md->msg_rtime);
2484: host_md->msg_ctime = tswapl(target_md->msg_ctime);
2485: host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2486: host_md->msg_qnum = tswapl(target_md->msg_qnum);
2487: host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2488: host_md->msg_lspid = tswapl(target_md->msg_lspid);
2489: host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2490: unlock_user_struct(target_md, target_addr, 0);
2491: return 0;
2492: }
2493:
2494: static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2495: struct msqid_ds *host_md)
2496: {
2497: struct target_msqid_ds *target_md;
2498:
2499: if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2500: return -TARGET_EFAULT;
1.1.1.7 root 2501: if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2502: return -TARGET_EFAULT;
1.1.1.6 root 2503: target_md->msg_stime = tswapl(host_md->msg_stime);
2504: target_md->msg_rtime = tswapl(host_md->msg_rtime);
2505: target_md->msg_ctime = tswapl(host_md->msg_ctime);
2506: target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2507: target_md->msg_qnum = tswapl(host_md->msg_qnum);
2508: target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2509: target_md->msg_lspid = tswapl(host_md->msg_lspid);
2510: target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2511: unlock_user_struct(target_md, target_addr, 1);
2512: return 0;
2513: }
2514:
1.1.1.7 root 2515: struct target_msginfo {
2516: int msgpool;
2517: int msgmap;
2518: int msgmax;
2519: int msgmnb;
2520: int msgmni;
2521: int msgssz;
2522: int msgtql;
2523: unsigned short int msgseg;
2524: };
2525:
1.1.1.8 root 2526: static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2527: struct msginfo *host_msginfo)
2528: {
2529: struct target_msginfo *target_msginfo;
2530: if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2531: return -TARGET_EFAULT;
2532: __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2533: __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2534: __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2535: __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2536: __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2537: __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2538: __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2539: __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2540: unlock_user_struct(target_msginfo, target_addr, 1);
2541: return 0;
2542: }
2543:
2544: static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
2545: {
2546: struct msqid_ds dsarg;
2547: struct msginfo msginfo;
2548: abi_long ret = -TARGET_EINVAL;
2549:
2550: cmd &= 0xff;
2551:
2552: switch (cmd) {
2553: case IPC_STAT:
2554: case IPC_SET:
2555: case MSG_STAT:
2556: if (target_to_host_msqid_ds(&dsarg,ptr))
2557: return -TARGET_EFAULT;
2558: ret = get_errno(msgctl(msgid, cmd, &dsarg));
2559: if (host_to_target_msqid_ds(ptr,&dsarg))
2560: return -TARGET_EFAULT;
2561: break;
2562: case IPC_RMID:
2563: ret = get_errno(msgctl(msgid, cmd, NULL));
2564: break;
2565: case IPC_INFO:
2566: case MSG_INFO:
2567: ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2568: if (host_to_target_msginfo(ptr, &msginfo))
2569: return -TARGET_EFAULT;
2570: break;
2571: }
2572:
2573: return ret;
2574: }
2575:
2576: struct target_msgbuf {
2577: abi_long mtype;
2578: char mtext[1];
2579: };
2580:
2581: static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2582: unsigned int msgsz, int msgflg)
2583: {
2584: struct target_msgbuf *target_mb;
2585: struct msgbuf *host_mb;
2586: abi_long ret = 0;
2587:
2588: if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2589: return -TARGET_EFAULT;
2590: host_mb = malloc(msgsz+sizeof(long));
2591: host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2592: memcpy(host_mb->mtext, target_mb->mtext, msgsz);
2593: ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2594: free(host_mb);
2595: unlock_user_struct(target_mb, msgp, 0);
2596:
2597: return ret;
2598: }
2599:
2600: static inline abi_long do_msgrcv(int msqid, abi_long msgp,
2601: unsigned int msgsz, abi_long msgtyp,
2602: int msgflg)
2603: {
2604: struct target_msgbuf *target_mb;
2605: char *target_mtext;
2606: struct msgbuf *host_mb;
2607: abi_long ret = 0;
2608:
2609: if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2610: return -TARGET_EFAULT;
2611:
2612: host_mb = malloc(msgsz+sizeof(long));
2613: ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2614:
2615: if (ret > 0) {
2616: abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2617: target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2618: if (!target_mtext) {
2619: ret = -TARGET_EFAULT;
2620: goto end;
2621: }
2622: memcpy(target_mb->mtext, host_mb->mtext, ret);
2623: unlock_user(target_mtext, target_mtext_addr, ret);
2624: }
2625:
2626: target_mb->mtype = tswapl(host_mb->mtype);
2627: free(host_mb);
2628:
2629: end:
2630: if (target_mb)
2631: unlock_user_struct(target_mb, msgp, 1);
2632: return ret;
2633: }
2634:
2635: struct target_shmid_ds
2636: {
2637: struct target_ipc_perm shm_perm;
2638: abi_ulong shm_segsz;
2639: abi_ulong shm_atime;
2640: #if TARGET_ABI_BITS == 32
2641: abi_ulong __unused1;
2642: #endif
2643: abi_ulong shm_dtime;
2644: #if TARGET_ABI_BITS == 32
2645: abi_ulong __unused2;
2646: #endif
2647: abi_ulong shm_ctime;
2648: #if TARGET_ABI_BITS == 32
2649: abi_ulong __unused3;
2650: #endif
2651: int shm_cpid;
2652: int shm_lpid;
2653: abi_ulong shm_nattch;
2654: unsigned long int __unused4;
2655: unsigned long int __unused5;
2656: };
2657:
2658: static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2659: abi_ulong target_addr)
2660: {
2661: struct target_shmid_ds *target_sd;
2662:
2663: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2664: return -TARGET_EFAULT;
2665: if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2666: return -TARGET_EFAULT;
2667: __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2668: __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2669: __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2670: __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2671: __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2672: __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2673: __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2674: unlock_user_struct(target_sd, target_addr, 0);
2675: return 0;
2676: }
2677:
2678: static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2679: struct shmid_ds *host_sd)
2680: {
2681: struct target_shmid_ds *target_sd;
2682:
2683: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2684: return -TARGET_EFAULT;
2685: if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2686: return -TARGET_EFAULT;
2687: __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2688: __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2689: __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2690: __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2691: __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2692: __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2693: __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2694: unlock_user_struct(target_sd, target_addr, 1);
2695: return 0;
2696: }
2697:
2698: struct target_shminfo {
2699: abi_ulong shmmax;
2700: abi_ulong shmmin;
2701: abi_ulong shmmni;
2702: abi_ulong shmseg;
2703: abi_ulong shmall;
2704: };
2705:
2706: static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2707: struct shminfo *host_shminfo)
2708: {
2709: struct target_shminfo *target_shminfo;
2710: if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2711: return -TARGET_EFAULT;
2712: __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2713: __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2714: __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2715: __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2716: __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2717: unlock_user_struct(target_shminfo, target_addr, 1);
2718: return 0;
2719: }
2720:
2721: struct target_shm_info {
2722: int used_ids;
2723: abi_ulong shm_tot;
2724: abi_ulong shm_rss;
2725: abi_ulong shm_swp;
2726: abi_ulong swap_attempts;
2727: abi_ulong swap_successes;
2728: };
2729:
2730: static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2731: struct shm_info *host_shm_info)
1.1.1.7 root 2732: {
1.1.1.8 root 2733: struct target_shm_info *target_shm_info;
2734: if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
1.1.1.7 root 2735: return -TARGET_EFAULT;
1.1.1.8 root 2736: __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2737: __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2738: __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2739: __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2740: __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2741: __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2742: unlock_user_struct(target_shm_info, target_addr, 1);
1.1.1.7 root 2743: return 0;
2744: }
2745:
1.1.1.8 root 2746: static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
1.1.1.6 root 2747: {
1.1.1.8 root 2748: struct shmid_ds dsarg;
2749: struct shminfo shminfo;
2750: struct shm_info shm_info;
1.1.1.7 root 2751: abi_long ret = -TARGET_EINVAL;
2752:
2753: cmd &= 0xff;
2754:
1.1.1.8 root 2755: switch(cmd) {
1.1.1.6 root 2756: case IPC_STAT:
2757: case IPC_SET:
1.1.1.8 root 2758: case SHM_STAT:
2759: if (target_to_host_shmid_ds(&dsarg, buf))
1.1.1.7 root 2760: return -TARGET_EFAULT;
1.1.1.8 root 2761: ret = get_errno(shmctl(shmid, cmd, &dsarg));
2762: if (host_to_target_shmid_ds(buf, &dsarg))
1.1.1.7 root 2763: return -TARGET_EFAULT;
2764: break;
2765: case IPC_INFO:
1.1.1.8 root 2766: ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2767: if (host_to_target_shminfo(buf, &shminfo))
1.1.1.7 root 2768: return -TARGET_EFAULT;
2769: break;
1.1.1.8 root 2770: case SHM_INFO:
2771: ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2772: if (host_to_target_shm_info(buf, &shm_info))
2773: return -TARGET_EFAULT;
2774: break;
2775: case IPC_RMID:
2776: case SHM_LOCK:
2777: case SHM_UNLOCK:
2778: ret = get_errno(shmctl(shmid, cmd, NULL));
2779: break;
1.1.1.6 root 2780: }
1.1.1.7 root 2781:
1.1.1.6 root 2782: return ret;
2783: }
2784:
1.1.1.8 root 2785: static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
1.1.1.6 root 2786: {
1.1.1.8 root 2787: abi_long raddr;
2788: void *host_raddr;
2789: struct shmid_ds shm_info;
2790: int i,ret;
1.1.1.6 root 2791:
1.1.1.8 root 2792: /* find out the length of the shared memory segment */
2793: ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2794: if (is_error(ret)) {
2795: /* can't get length, bail out */
2796: return ret;
2797: }
1.1.1.6 root 2798:
1.1.1.8 root 2799: mmap_lock();
1.1.1.6 root 2800:
1.1.1.8 root 2801: if (shmaddr)
2802: host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2803: else {
2804: abi_ulong mmap_start;
1.1.1.6 root 2805:
1.1.1.8 root 2806: mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
1.1.1.7 root 2807:
1.1.1.8 root 2808: if (mmap_start == -1) {
2809: errno = ENOMEM;
2810: host_raddr = (void *)-1;
2811: } else
2812: host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2813: }
1.1.1.7 root 2814:
1.1.1.8 root 2815: if (host_raddr == (void *)-1) {
2816: mmap_unlock();
2817: return get_errno((long)host_raddr);
2818: }
2819: raddr=h2g((unsigned long)host_raddr);
2820:
2821: page_set_flags(raddr, raddr + shm_info.shm_segsz,
2822: PAGE_VALID | PAGE_READ |
2823: ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2824:
2825: for (i = 0; i < N_SHM_REGIONS; i++) {
2826: if (shm_regions[i].start == 0) {
2827: shm_regions[i].start = raddr;
2828: shm_regions[i].size = shm_info.shm_segsz;
2829: break;
1.1.1.6 root 2830: }
2831: }
1.1.1.7 root 2832:
1.1.1.8 root 2833: mmap_unlock();
2834: return raddr;
1.1.1.6 root 2835:
1.1.1.8 root 2836: }
2837:
2838: static inline abi_long do_shmdt(abi_ulong shmaddr)
2839: {
2840: int i;
2841:
2842: for (i = 0; i < N_SHM_REGIONS; ++i) {
2843: if (shm_regions[i].start == shmaddr) {
2844: shm_regions[i].start = 0;
1.1.1.10 root 2845: page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
1.1.1.8 root 2846: break;
2847: }
2848: }
2849:
2850: return get_errno(shmdt(g2h(shmaddr)));
1.1.1.6 root 2851: }
2852:
1.1.1.7 root 2853: #ifdef TARGET_NR_ipc
1.1.1.3 root 2854: /* ??? This only works with linear mappings. */
1.1.1.6 root 2855: /* do_ipc() must return target values and target errnos. */
2856: static abi_long do_ipc(unsigned int call, int first,
2857: int second, int third,
2858: abi_long ptr, abi_long fifth)
1.1 root 2859: {
2860: int version;
1.1.1.6 root 2861: abi_long ret = 0;
1.1 root 2862:
2863: version = call >> 16;
2864: call &= 0xffff;
2865:
2866: switch (call) {
1.1.1.5 root 2867: case IPCOP_semop:
1.1.1.8 root 2868: ret = do_semop(first, ptr, second);
1.1.1.5 root 2869: break;
2870:
2871: case IPCOP_semget:
2872: ret = get_errno(semget(first, second, third));
2873: break;
2874:
2875: case IPCOP_semctl:
1.1.1.8 root 2876: ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
1.1.1.5 root 2877: break;
2878:
1.1.1.7 root 2879: case IPCOP_msgget:
2880: ret = get_errno(msgget(first, second));
2881: break;
1.1.1.5 root 2882:
1.1.1.7 root 2883: case IPCOP_msgsnd:
2884: ret = do_msgsnd(first, ptr, second, third);
2885: break;
1.1.1.5 root 2886:
1.1.1.7 root 2887: case IPCOP_msgctl:
2888: ret = do_msgctl(first, second, ptr);
2889: break;
1.1.1.5 root 2890:
1.1.1.7 root 2891: case IPCOP_msgrcv:
2892: switch (version) {
2893: case 0:
2894: {
2895: struct target_ipc_kludge {
2896: abi_long msgp;
2897: abi_long msgtyp;
2898: } *tmp;
1.1.1.5 root 2899:
1.1.1.7 root 2900: if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2901: ret = -TARGET_EFAULT;
2902: break;
2903: }
1.1.1.5 root 2904:
1.1.1.7 root 2905: ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
1.1.1.5 root 2906:
1.1.1.7 root 2907: unlock_user_struct(tmp, ptr, 0);
2908: break;
2909: }
2910: default:
2911: ret = do_msgrcv(first, ptr, second, fifth, third);
2912: }
2913: break;
1.1.1.5 root 2914:
1.1 root 2915: case IPCOP_shmat:
1.1.1.8 root 2916: switch (version) {
2917: default:
1.1.1.6 root 2918: {
2919: abi_ulong raddr;
1.1.1.8 root 2920: raddr = do_shmat(first, ptr, second);
2921: if (is_error(raddr))
2922: return get_errno(raddr);
1.1.1.6 root 2923: if (put_user_ual(raddr, third))
2924: return -TARGET_EFAULT;
1.1.1.8 root 2925: break;
2926: }
2927: case 1:
2928: ret = -TARGET_EINVAL;
2929: break;
1.1.1.6 root 2930: }
1.1 root 2931: break;
2932: case IPCOP_shmdt:
1.1.1.8 root 2933: ret = do_shmdt(ptr);
1.1 root 2934: break;
2935:
2936: case IPCOP_shmget:
2937: /* IPC_* flag values are the same on all linux platforms */
2938: ret = get_errno(shmget(first, second, third));
2939: break;
2940:
2941: /* IPC_* and SHM_* command values are the same on all linux platforms */
2942: case IPCOP_shmctl:
1.1.1.8 root 2943: ret = do_shmctl(first, second, third);
1.1 root 2944: break;
2945: default:
1.1.1.6 root 2946: gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
2947: ret = -TARGET_ENOSYS;
1.1 root 2948: break;
2949: }
2950: return ret;
2951: }
1.1.1.6 root 2952: #endif
1.1 root 2953:
2954: /* kernel structure types definitions */
2955: #define IFNAMSIZ 16
2956:
1.1.1.8 root 2957: #define STRUCT(name, ...) STRUCT_ ## name,
1.1 root 2958: #define STRUCT_SPECIAL(name) STRUCT_ ## name,
2959: enum {
2960: #include "syscall_types.h"
2961: };
2962: #undef STRUCT
2963: #undef STRUCT_SPECIAL
2964:
1.1.1.8 root 2965: #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
1.1 root 2966: #define STRUCT_SPECIAL(name)
2967: #include "syscall_types.h"
2968: #undef STRUCT
2969: #undef STRUCT_SPECIAL
2970:
1.1.1.11! root 2971: typedef struct IOCTLEntry IOCTLEntry;
! 2972:
! 2973: typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
! 2974: int fd, abi_long cmd, abi_long arg);
! 2975:
! 2976: struct IOCTLEntry {
1.1 root 2977: unsigned int target_cmd;
2978: unsigned int host_cmd;
2979: const char *name;
2980: int access;
1.1.1.11! root 2981: do_ioctl_fn *do_ioctl;
1.1 root 2982: const argtype arg_type[5];
1.1.1.11! root 2983: };
1.1 root 2984:
2985: #define IOC_R 0x0001
2986: #define IOC_W 0x0002
2987: #define IOC_RW (IOC_R | IOC_W)
2988:
2989: #define MAX_STRUCT_SIZE 4096
2990:
1.1.1.11! root 2991: #ifdef CONFIG_FIEMAP
! 2992: /* So fiemap access checks don't overflow on 32 bit systems.
! 2993: * This is very slightly smaller than the limit imposed by
! 2994: * the underlying kernel.
! 2995: */
! 2996: #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
! 2997: / sizeof(struct fiemap_extent))
! 2998:
! 2999: static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
! 3000: int fd, abi_long cmd, abi_long arg)
! 3001: {
! 3002: /* The parameter for this ioctl is a struct fiemap followed
! 3003: * by an array of struct fiemap_extent whose size is set
! 3004: * in fiemap->fm_extent_count. The array is filled in by the
! 3005: * ioctl.
! 3006: */
! 3007: int target_size_in, target_size_out;
! 3008: struct fiemap *fm;
! 3009: const argtype *arg_type = ie->arg_type;
! 3010: const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
! 3011: void *argptr, *p;
! 3012: abi_long ret;
! 3013: int i, extent_size = thunk_type_size(extent_arg_type, 0);
! 3014: uint32_t outbufsz;
! 3015: int free_fm = 0;
! 3016:
! 3017: assert(arg_type[0] == TYPE_PTR);
! 3018: assert(ie->access == IOC_RW);
! 3019: arg_type++;
! 3020: target_size_in = thunk_type_size(arg_type, 0);
! 3021: argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
! 3022: if (!argptr) {
! 3023: return -TARGET_EFAULT;
! 3024: }
! 3025: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
! 3026: unlock_user(argptr, arg, 0);
! 3027: fm = (struct fiemap *)buf_temp;
! 3028: if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
! 3029: return -TARGET_EINVAL;
! 3030: }
! 3031:
! 3032: outbufsz = sizeof (*fm) +
! 3033: (sizeof(struct fiemap_extent) * fm->fm_extent_count);
! 3034:
! 3035: if (outbufsz > MAX_STRUCT_SIZE) {
! 3036: /* We can't fit all the extents into the fixed size buffer.
! 3037: * Allocate one that is large enough and use it instead.
! 3038: */
! 3039: fm = malloc(outbufsz);
! 3040: if (!fm) {
! 3041: return -TARGET_ENOMEM;
! 3042: }
! 3043: memcpy(fm, buf_temp, sizeof(struct fiemap));
! 3044: free_fm = 1;
! 3045: }
! 3046: ret = get_errno(ioctl(fd, ie->host_cmd, fm));
! 3047: if (!is_error(ret)) {
! 3048: target_size_out = target_size_in;
! 3049: /* An extent_count of 0 means we were only counting the extents
! 3050: * so there are no structs to copy
! 3051: */
! 3052: if (fm->fm_extent_count != 0) {
! 3053: target_size_out += fm->fm_mapped_extents * extent_size;
! 3054: }
! 3055: argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
! 3056: if (!argptr) {
! 3057: ret = -TARGET_EFAULT;
! 3058: } else {
! 3059: /* Convert the struct fiemap */
! 3060: thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
! 3061: if (fm->fm_extent_count != 0) {
! 3062: p = argptr + target_size_in;
! 3063: /* ...and then all the struct fiemap_extents */
! 3064: for (i = 0; i < fm->fm_mapped_extents; i++) {
! 3065: thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
! 3066: THUNK_TARGET);
! 3067: p += extent_size;
! 3068: }
! 3069: }
! 3070: unlock_user(argptr, arg, target_size_out);
! 3071: }
! 3072: }
! 3073: if (free_fm) {
! 3074: free(fm);
! 3075: }
! 3076: return ret;
! 3077: }
! 3078: #endif
! 3079:
1.1.1.7 root 3080: static IOCTLEntry ioctl_entries[] = {
1.1.1.8 root 3081: #define IOCTL(cmd, access, ...) \
1.1.1.11! root 3082: { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
! 3083: #define IOCTL_SPECIAL(cmd, access, dofn, ...) \
! 3084: { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
1.1 root 3085: #include "ioctls.h"
3086: { 0, 0, },
3087: };
3088:
1.1.1.3 root 3089: /* ??? Implement proper locking for ioctls. */
1.1.1.6 root 3090: /* do_ioctl() Must return target values and target errnos. */
3091: static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
1.1 root 3092: {
3093: const IOCTLEntry *ie;
3094: const argtype *arg_type;
1.1.1.6 root 3095: abi_long ret;
1.1 root 3096: uint8_t buf_temp[MAX_STRUCT_SIZE];
1.1.1.3 root 3097: int target_size;
3098: void *argptr;
1.1 root 3099:
3100: ie = ioctl_entries;
3101: for(;;) {
3102: if (ie->target_cmd == 0) {
1.1.1.6 root 3103: gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
3104: return -TARGET_ENOSYS;
1.1 root 3105: }
3106: if (ie->target_cmd == cmd)
3107: break;
3108: ie++;
3109: }
3110: arg_type = ie->arg_type;
3111: #if defined(DEBUG)
1.1.1.6 root 3112: gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
1.1 root 3113: #endif
1.1.1.11! root 3114: if (ie->do_ioctl) {
! 3115: return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
! 3116: }
! 3117:
1.1 root 3118: switch(arg_type[0]) {
3119: case TYPE_NULL:
3120: /* no argument */
3121: ret = get_errno(ioctl(fd, ie->host_cmd));
3122: break;
3123: case TYPE_PTRVOID:
3124: case TYPE_INT:
3125: /* int argment */
3126: ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3127: break;
3128: case TYPE_PTR:
3129: arg_type++;
1.1.1.3 root 3130: target_size = thunk_type_size(arg_type, 0);
1.1 root 3131: switch(ie->access) {
3132: case IOC_R:
3133: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3134: if (!is_error(ret)) {
1.1.1.6 root 3135: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3136: if (!argptr)
3137: return -TARGET_EFAULT;
1.1.1.3 root 3138: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3139: unlock_user(argptr, arg, target_size);
1.1 root 3140: }
3141: break;
3142: case IOC_W:
1.1.1.6 root 3143: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3144: if (!argptr)
3145: return -TARGET_EFAULT;
1.1.1.3 root 3146: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3147: unlock_user(argptr, arg, 0);
1.1 root 3148: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3149: break;
3150: default:
3151: case IOC_RW:
1.1.1.6 root 3152: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3153: if (!argptr)
3154: return -TARGET_EFAULT;
1.1.1.3 root 3155: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3156: unlock_user(argptr, arg, 0);
1.1 root 3157: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3158: if (!is_error(ret)) {
1.1.1.6 root 3159: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3160: if (!argptr)
3161: return -TARGET_EFAULT;
1.1.1.3 root 3162: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3163: unlock_user(argptr, arg, target_size);
1.1 root 3164: }
3165: break;
3166: }
3167: break;
3168: default:
1.1.1.6 root 3169: gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3170: (long)cmd, arg_type[0]);
3171: ret = -TARGET_ENOSYS;
1.1 root 3172: break;
3173: }
3174: return ret;
3175: }
3176:
1.1.1.7 root 3177: static const bitmask_transtbl iflag_tbl[] = {
1.1 root 3178: { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3179: { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3180: { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3181: { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3182: { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3183: { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3184: { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3185: { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3186: { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3187: { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3188: { TARGET_IXON, TARGET_IXON, IXON, IXON },
3189: { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3190: { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3191: { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3192: { 0, 0, 0, 0 }
3193: };
3194:
1.1.1.7 root 3195: static const bitmask_transtbl oflag_tbl[] = {
1.1 root 3196: { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3197: { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3198: { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3199: { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3200: { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3201: { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3202: { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3203: { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3204: { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3205: { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3206: { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3207: { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3208: { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3209: { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3210: { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3211: { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3212: { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3213: { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3214: { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3215: { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3216: { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3217: { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3218: { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3219: { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3220: { 0, 0, 0, 0 }
3221: };
3222:
1.1.1.7 root 3223: static const bitmask_transtbl cflag_tbl[] = {
1.1 root 3224: { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3225: { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3226: { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3227: { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3228: { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3229: { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3230: { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3231: { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3232: { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3233: { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3234: { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3235: { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3236: { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3237: { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3238: { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3239: { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3240: { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3241: { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3242: { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3243: { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3244: { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3245: { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3246: { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3247: { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3248: { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3249: { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3250: { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3251: { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3252: { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3253: { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3254: { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3255: { 0, 0, 0, 0 }
3256: };
3257:
1.1.1.7 root 3258: static const bitmask_transtbl lflag_tbl[] = {
1.1 root 3259: { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3260: { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3261: { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3262: { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3263: { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3264: { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3265: { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3266: { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3267: { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3268: { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3269: { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3270: { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3271: { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3272: { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3273: { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3274: { 0, 0, 0, 0 }
3275: };
3276:
3277: static void target_to_host_termios (void *dst, const void *src)
3278: {
3279: struct host_termios *host = dst;
3280: const struct target_termios *target = src;
1.1.1.6 root 3281:
3282: host->c_iflag =
1.1 root 3283: target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1.1.1.6 root 3284: host->c_oflag =
1.1 root 3285: target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1.1.1.6 root 3286: host->c_cflag =
1.1 root 3287: target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1.1.1.6 root 3288: host->c_lflag =
1.1 root 3289: target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3290: host->c_line = target->c_line;
1.1.1.6 root 3291:
1.1.1.8 root 3292: memset(host->c_cc, 0, sizeof(host->c_cc));
1.1.1.6 root 3293: host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3294: host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3295: host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
3296: host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3297: host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
3298: host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3299: host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
3300: host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3301: host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
3302: host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3303: host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3304: host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3305: host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3306: host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3307: host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3308: host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
3309: host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1.1 root 3310: }
1.1.1.6 root 3311:
1.1 root 3312: static void host_to_target_termios (void *dst, const void *src)
3313: {
3314: struct target_termios *target = dst;
3315: const struct host_termios *host = src;
3316:
1.1.1.6 root 3317: target->c_iflag =
1.1 root 3318: tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1.1.1.6 root 3319: target->c_oflag =
1.1 root 3320: tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1.1.1.6 root 3321: target->c_cflag =
1.1 root 3322: tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1.1.1.6 root 3323: target->c_lflag =
1.1 root 3324: tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3325: target->c_line = host->c_line;
1.1.1.6 root 3326:
1.1.1.8 root 3327: memset(target->c_cc, 0, sizeof(target->c_cc));
1.1 root 3328: target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3329: target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3330: target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3331: target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3332: target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3333: target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3334: target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3335: target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3336: target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3337: target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3338: target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3339: target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3340: target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3341: target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3342: target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3343: target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3344: target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3345: }
3346:
1.1.1.7 root 3347: static const StructEntry struct_termios_def = {
1.1 root 3348: .convert = { host_to_target_termios, target_to_host_termios },
3349: .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3350: .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3351: };
3352:
3353: static bitmask_transtbl mmap_flags_tbl[] = {
3354: { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3355: { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3356: { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3357: { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3358: { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3359: { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3360: { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3361: { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3362: { 0, 0, 0, 0 }
3363: };
3364:
3365: #if defined(TARGET_I386)
3366:
3367: /* NOTE: there is really one LDT for all the threads */
1.1.1.7 root 3368: static uint8_t *ldt_table;
1.1 root 3369:
1.1.1.6 root 3370: static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
1.1 root 3371: {
3372: int size;
1.1.1.3 root 3373: void *p;
1.1 root 3374:
3375: if (!ldt_table)
3376: return 0;
3377: size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3378: if (size > bytecount)
3379: size = bytecount;
1.1.1.6 root 3380: p = lock_user(VERIFY_WRITE, ptr, size, 0);
3381: if (!p)
3382: return -TARGET_EFAULT;
3383: /* ??? Should this by byteswapped? */
1.1.1.3 root 3384: memcpy(p, ldt_table, size);
3385: unlock_user(p, ptr, size);
1.1 root 3386: return size;
3387: }
3388:
3389: /* XXX: add locking support */
1.1.1.6 root 3390: static abi_long write_ldt(CPUX86State *env,
3391: abi_ulong ptr, unsigned long bytecount, int oldmode)
1.1 root 3392: {
3393: struct target_modify_ldt_ldt_s ldt_info;
1.1.1.3 root 3394: struct target_modify_ldt_ldt_s *target_ldt_info;
1.1 root 3395: int seg_32bit, contents, read_exec_only, limit_in_pages;
1.1.1.6 root 3396: int seg_not_present, useable, lm;
1.1 root 3397: uint32_t *lp, entry_1, entry_2;
3398:
3399: if (bytecount != sizeof(ldt_info))
1.1.1.6 root 3400: return -TARGET_EINVAL;
3401: if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
3402: return -TARGET_EFAULT;
1.1.1.3 root 3403: ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3404: ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3405: ldt_info.limit = tswap32(target_ldt_info->limit);
3406: ldt_info.flags = tswap32(target_ldt_info->flags);
3407: unlock_user_struct(target_ldt_info, ptr, 0);
1.1.1.6 root 3408:
1.1 root 3409: if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1.1.1.6 root 3410: return -TARGET_EINVAL;
1.1 root 3411: seg_32bit = ldt_info.flags & 1;
3412: contents = (ldt_info.flags >> 1) & 3;
3413: read_exec_only = (ldt_info.flags >> 3) & 1;
3414: limit_in_pages = (ldt_info.flags >> 4) & 1;
3415: seg_not_present = (ldt_info.flags >> 5) & 1;
3416: useable = (ldt_info.flags >> 6) & 1;
1.1.1.6 root 3417: #ifdef TARGET_ABI32
3418: lm = 0;
3419: #else
3420: lm = (ldt_info.flags >> 7) & 1;
3421: #endif
1.1 root 3422: if (contents == 3) {
3423: if (oldmode)
1.1.1.6 root 3424: return -TARGET_EINVAL;
1.1 root 3425: if (seg_not_present == 0)
1.1.1.6 root 3426: return -TARGET_EINVAL;
1.1 root 3427: }
3428: /* allocate the LDT */
3429: if (!ldt_table) {
1.1.1.7 root 3430: env->ldt.base = target_mmap(0,
3431: TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3432: PROT_READ|PROT_WRITE,
3433: MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3434: if (env->ldt.base == -1)
1.1.1.6 root 3435: return -TARGET_ENOMEM;
1.1.1.7 root 3436: memset(g2h(env->ldt.base), 0,
3437: TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1.1 root 3438: env->ldt.limit = 0xffff;
1.1.1.7 root 3439: ldt_table = g2h(env->ldt.base);
1.1 root 3440: }
3441:
3442: /* NOTE: same code as Linux kernel */
3443: /* Allow LDTs to be cleared by the user. */
3444: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3445: if (oldmode ||
3446: (contents == 0 &&
3447: read_exec_only == 1 &&
3448: seg_32bit == 0 &&
3449: limit_in_pages == 0 &&
3450: seg_not_present == 1 &&
3451: useable == 0 )) {
3452: entry_1 = 0;
3453: entry_2 = 0;
3454: goto install;
3455: }
3456: }
1.1.1.6 root 3457:
1.1 root 3458: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3459: (ldt_info.limit & 0x0ffff);
3460: entry_2 = (ldt_info.base_addr & 0xff000000) |
3461: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3462: (ldt_info.limit & 0xf0000) |
3463: ((read_exec_only ^ 1) << 9) |
3464: (contents << 10) |
3465: ((seg_not_present ^ 1) << 15) |
3466: (seg_32bit << 22) |
3467: (limit_in_pages << 23) |
1.1.1.6 root 3468: (lm << 21) |
1.1 root 3469: 0x7000;
3470: if (!oldmode)
3471: entry_2 |= (useable << 20);
3472:
3473: /* Install the new entry ... */
3474: install:
3475: lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3476: lp[0] = tswap32(entry_1);
3477: lp[1] = tswap32(entry_2);
3478: return 0;
3479: }
3480:
3481: /* specific and weird i386 syscalls */
1.1.1.7 root 3482: static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3483: unsigned long bytecount)
1.1 root 3484: {
1.1.1.6 root 3485: abi_long ret;
3486:
1.1 root 3487: switch (func) {
3488: case 0:
3489: ret = read_ldt(ptr, bytecount);
3490: break;
3491: case 1:
3492: ret = write_ldt(env, ptr, bytecount, 1);
3493: break;
3494: case 0x11:
3495: ret = write_ldt(env, ptr, bytecount, 0);
3496: break;
1.1.1.6 root 3497: default:
3498: ret = -TARGET_ENOSYS;
3499: break;
1.1 root 3500: }
3501: return ret;
3502: }
3503:
1.1.1.7 root 3504: #if defined(TARGET_I386) && defined(TARGET_ABI32)
3505: static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
1.1.1.6 root 3506: {
3507: uint64_t *gdt_table = g2h(env->gdt.base);
3508: struct target_modify_ldt_ldt_s ldt_info;
3509: struct target_modify_ldt_ldt_s *target_ldt_info;
3510: int seg_32bit, contents, read_exec_only, limit_in_pages;
3511: int seg_not_present, useable, lm;
3512: uint32_t *lp, entry_1, entry_2;
3513: int i;
3514:
3515: lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3516: if (!target_ldt_info)
3517: return -TARGET_EFAULT;
3518: ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3519: ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3520: ldt_info.limit = tswap32(target_ldt_info->limit);
3521: ldt_info.flags = tswap32(target_ldt_info->flags);
3522: if (ldt_info.entry_number == -1) {
3523: for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3524: if (gdt_table[i] == 0) {
3525: ldt_info.entry_number = i;
3526: target_ldt_info->entry_number = tswap32(i);
3527: break;
3528: }
3529: }
3530: }
3531: unlock_user_struct(target_ldt_info, ptr, 1);
3532:
3533: if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3534: ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3535: return -TARGET_EINVAL;
3536: seg_32bit = ldt_info.flags & 1;
3537: contents = (ldt_info.flags >> 1) & 3;
3538: read_exec_only = (ldt_info.flags >> 3) & 1;
3539: limit_in_pages = (ldt_info.flags >> 4) & 1;
3540: seg_not_present = (ldt_info.flags >> 5) & 1;
3541: useable = (ldt_info.flags >> 6) & 1;
3542: #ifdef TARGET_ABI32
3543: lm = 0;
3544: #else
3545: lm = (ldt_info.flags >> 7) & 1;
3546: #endif
3547:
3548: if (contents == 3) {
3549: if (seg_not_present == 0)
3550: return -TARGET_EINVAL;
3551: }
3552:
3553: /* NOTE: same code as Linux kernel */
3554: /* Allow LDTs to be cleared by the user. */
3555: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3556: if ((contents == 0 &&
3557: read_exec_only == 1 &&
3558: seg_32bit == 0 &&
3559: limit_in_pages == 0 &&
3560: seg_not_present == 1 &&
3561: useable == 0 )) {
3562: entry_1 = 0;
3563: entry_2 = 0;
3564: goto install;
3565: }
3566: }
3567:
3568: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3569: (ldt_info.limit & 0x0ffff);
3570: entry_2 = (ldt_info.base_addr & 0xff000000) |
3571: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3572: (ldt_info.limit & 0xf0000) |
3573: ((read_exec_only ^ 1) << 9) |
3574: (contents << 10) |
3575: ((seg_not_present ^ 1) << 15) |
3576: (seg_32bit << 22) |
3577: (limit_in_pages << 23) |
3578: (useable << 20) |
3579: (lm << 21) |
3580: 0x7000;
3581:
3582: /* Install the new entry ... */
3583: install:
3584: lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3585: lp[0] = tswap32(entry_1);
3586: lp[1] = tswap32(entry_2);
3587: return 0;
3588: }
3589:
1.1.1.7 root 3590: static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
1.1.1.6 root 3591: {
3592: struct target_modify_ldt_ldt_s *target_ldt_info;
3593: uint64_t *gdt_table = g2h(env->gdt.base);
3594: uint32_t base_addr, limit, flags;
3595: int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3596: int seg_not_present, useable, lm;
3597: uint32_t *lp, entry_1, entry_2;
3598:
3599: lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3600: if (!target_ldt_info)
3601: return -TARGET_EFAULT;
3602: idx = tswap32(target_ldt_info->entry_number);
3603: if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3604: idx > TARGET_GDT_ENTRY_TLS_MAX) {
3605: unlock_user_struct(target_ldt_info, ptr, 1);
3606: return -TARGET_EINVAL;
3607: }
3608: lp = (uint32_t *)(gdt_table + idx);
3609: entry_1 = tswap32(lp[0]);
3610: entry_2 = tswap32(lp[1]);
3611:
3612: read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3613: contents = (entry_2 >> 10) & 3;
3614: seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3615: seg_32bit = (entry_2 >> 22) & 1;
3616: limit_in_pages = (entry_2 >> 23) & 1;
3617: useable = (entry_2 >> 20) & 1;
3618: #ifdef TARGET_ABI32
3619: lm = 0;
3620: #else
3621: lm = (entry_2 >> 21) & 1;
3622: #endif
3623: flags = (seg_32bit << 0) | (contents << 1) |
3624: (read_exec_only << 3) | (limit_in_pages << 4) |
3625: (seg_not_present << 5) | (useable << 6) | (lm << 7);
3626: limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3627: base_addr = (entry_1 >> 16) |
3628: (entry_2 & 0xff000000) |
3629: ((entry_2 & 0xff) << 16);
3630: target_ldt_info->base_addr = tswapl(base_addr);
3631: target_ldt_info->limit = tswap32(limit);
3632: target_ldt_info->flags = tswap32(flags);
3633: unlock_user_struct(target_ldt_info, ptr, 1);
3634: return 0;
3635: }
1.1.1.7 root 3636: #endif /* TARGET_I386 && TARGET_ABI32 */
1.1.1.6 root 3637:
3638: #ifndef TARGET_ABI32
1.1.1.7 root 3639: static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
1.1.1.6 root 3640: {
3641: abi_long ret;
3642: abi_ulong val;
3643: int idx;
3644:
3645: switch(code) {
3646: case TARGET_ARCH_SET_GS:
3647: case TARGET_ARCH_SET_FS:
3648: if (code == TARGET_ARCH_SET_GS)
3649: idx = R_GS;
3650: else
3651: idx = R_FS;
3652: cpu_x86_load_seg(env, idx, 0);
3653: env->segs[idx].base = addr;
3654: break;
3655: case TARGET_ARCH_GET_GS:
3656: case TARGET_ARCH_GET_FS:
3657: if (code == TARGET_ARCH_GET_GS)
3658: idx = R_GS;
3659: else
3660: idx = R_FS;
3661: val = env->segs[idx].base;
3662: if (put_user(val, addr, abi_ulong))
3663: return -TARGET_EFAULT;
3664: break;
3665: default:
3666: ret = -TARGET_EINVAL;
3667: break;
3668: }
3669: return 0;
3670: }
3671: #endif
3672:
1.1 root 3673: #endif /* defined(TARGET_I386) */
3674:
1.1.1.9 root 3675: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 3676:
3677: #define NEW_STACK_SIZE PTHREAD_STACK_MIN
3678:
3679: static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3680: typedef struct {
3681: CPUState *env;
3682: pthread_mutex_t mutex;
3683: pthread_cond_t cond;
3684: pthread_t thread;
3685: uint32_t tid;
3686: abi_ulong child_tidptr;
3687: abi_ulong parent_tidptr;
3688: sigset_t sigmask;
3689: } new_thread_info;
3690:
3691: static void *clone_func(void *arg)
3692: {
3693: new_thread_info *info = arg;
3694: CPUState *env;
1.1.1.8 root 3695: TaskState *ts;
1.1.1.7 root 3696:
3697: env = info->env;
3698: thread_env = env;
1.1.1.8 root 3699: ts = (TaskState *)thread_env->opaque;
1.1.1.7 root 3700: info->tid = gettid();
1.1.1.8 root 3701: env->host_tid = info->tid;
3702: task_settid(ts);
1.1.1.7 root 3703: if (info->child_tidptr)
3704: put_user_u32(info->tid, info->child_tidptr);
3705: if (info->parent_tidptr)
3706: put_user_u32(info->tid, info->parent_tidptr);
3707: /* Enable signals. */
3708: sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3709: /* Signal to the parent that we're ready. */
3710: pthread_mutex_lock(&info->mutex);
3711: pthread_cond_broadcast(&info->cond);
3712: pthread_mutex_unlock(&info->mutex);
3713: /* Wait until the parent has finshed initializing the tls state. */
3714: pthread_mutex_lock(&clone_lock);
3715: pthread_mutex_unlock(&clone_lock);
3716: cpu_loop(env);
3717: /* never exits */
3718: return NULL;
3719: }
3720: #else
1.1 root 3721: /* this stack is the equivalent of the kernel stack associated with a
3722: thread/process */
3723: #define NEW_STACK_SIZE 8192
3724:
3725: static int clone_func(void *arg)
3726: {
3727: CPUState *env = arg;
3728: cpu_loop(env);
3729: /* never exits */
3730: return 0;
3731: }
1.1.1.7 root 3732: #endif
1.1 root 3733:
1.1.1.6 root 3734: /* do_fork() Must return host values and target errnos (unlike most
3735: do_*() functions). */
1.1.1.7 root 3736: static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3737: abi_ulong parent_tidptr, target_ulong newtls,
3738: abi_ulong child_tidptr)
1.1 root 3739: {
3740: int ret;
3741: TaskState *ts;
3742: CPUState *new_env;
1.1.1.9 root 3743: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 3744: unsigned int nptl_flags;
3745: sigset_t sigmask;
1.1.1.11! root 3746: #else
! 3747: uint8_t *new_stack;
1.1.1.7 root 3748: #endif
3749:
3750: /* Emulate vfork() with fork() */
3751: if (flags & CLONE_VFORK)
3752: flags &= ~(CLONE_VFORK | CLONE_VM);
1.1.1.6 root 3753:
1.1 root 3754: if (flags & CLONE_VM) {
1.1.1.8 root 3755: TaskState *parent_ts = (TaskState *)env->opaque;
1.1.1.9 root 3756: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 3757: new_thread_info info;
3758: pthread_attr_t attr;
3759: #endif
1.1.1.11! root 3760: ts = qemu_mallocz(sizeof(TaskState));
1.1.1.7 root 3761: init_task_state(ts);
1.1 root 3762: /* we create a new CPU instance. */
1.1.1.6 root 3763: new_env = cpu_copy(env);
1.1.1.9 root 3764: #if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
3765: cpu_reset(new_env);
3766: #endif
1.1.1.7 root 3767: /* Init regs that differ from the parent. */
3768: cpu_clone_regs(new_env, newsp);
3769: new_env->opaque = ts;
1.1.1.8 root 3770: ts->bprm = parent_ts->bprm;
3771: ts->info = parent_ts->info;
1.1.1.9 root 3772: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 3773: nptl_flags = flags;
3774: flags &= ~CLONE_NPTL_FLAGS2;
3775:
1.1.1.8 root 3776: if (nptl_flags & CLONE_CHILD_CLEARTID) {
3777: ts->child_tidptr = child_tidptr;
3778: }
3779:
1.1.1.7 root 3780: if (nptl_flags & CLONE_SETTLS)
3781: cpu_set_tls (new_env, newtls);
3782:
3783: /* Grab a mutex so that thread setup appears atomic. */
3784: pthread_mutex_lock(&clone_lock);
3785:
3786: memset(&info, 0, sizeof(info));
3787: pthread_mutex_init(&info.mutex, NULL);
3788: pthread_mutex_lock(&info.mutex);
3789: pthread_cond_init(&info.cond, NULL);
3790: info.env = new_env;
3791: if (nptl_flags & CLONE_CHILD_SETTID)
3792: info.child_tidptr = child_tidptr;
3793: if (nptl_flags & CLONE_PARENT_SETTID)
3794: info.parent_tidptr = parent_tidptr;
3795:
3796: ret = pthread_attr_init(&attr);
1.1.1.11! root 3797: ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
! 3798: ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
1.1.1.7 root 3799: /* It is not safe to deliver signals until the child has finished
3800: initializing, so temporarily block all signals. */
3801: sigfillset(&sigmask);
3802: sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3803:
3804: ret = pthread_create(&info.thread, &attr, clone_func, &info);
1.1.1.8 root 3805: /* TODO: Free new CPU state if thread creation failed. */
1.1.1.7 root 3806:
3807: sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3808: pthread_attr_destroy(&attr);
3809: if (ret == 0) {
3810: /* Wait for the child to initialize. */
3811: pthread_cond_wait(&info.cond, &info.mutex);
3812: ret = info.tid;
3813: if (flags & CLONE_PARENT_SETTID)
3814: put_user_u32(ret, parent_tidptr);
3815: } else {
3816: ret = -1;
1.1.1.6 root 3817: }
1.1.1.7 root 3818: pthread_mutex_unlock(&info.mutex);
3819: pthread_cond_destroy(&info.cond);
3820: pthread_mutex_destroy(&info.mutex);
3821: pthread_mutex_unlock(&clone_lock);
1.1 root 3822: #else
1.1.1.7 root 3823: if (flags & CLONE_NPTL_FLAGS2)
3824: return -EINVAL;
3825: /* This is probably going to die very quickly, but do it anyway. */
1.1.1.11! root 3826: new_stack = qemu_mallocz (NEW_STACK_SIZE);
1.1 root 3827: #ifdef __ia64__
1.1.1.10 root 3828: ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
1.1 root 3829: #else
3830: ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
3831: #endif
1.1.1.7 root 3832: #endif
1.1 root 3833: } else {
3834: /* if no CLONE_VM, we consider it is a fork */
1.1.1.7 root 3835: if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1.1 root 3836: return -EINVAL;
1.1.1.7 root 3837: fork_start();
1.1 root 3838: ret = fork();
1.1.1.7 root 3839: if (ret == 0) {
3840: /* Child Process. */
3841: cpu_clone_regs(env, newsp);
3842: fork_end(1);
1.1.1.9 root 3843: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 3844: /* There is a race condition here. The parent process could
3845: theoretically read the TID in the child process before the child
3846: tid is set. This would require using either ptrace
3847: (not implemented) or having *_tidptr to point at a shared memory
3848: mapping. We can't repeat the spinlock hack used above because
3849: the child process gets its own copy of the lock. */
3850: if (flags & CLONE_CHILD_SETTID)
3851: put_user_u32(gettid(), child_tidptr);
3852: if (flags & CLONE_PARENT_SETTID)
3853: put_user_u32(gettid(), parent_tidptr);
3854: ts = (TaskState *)env->opaque;
3855: if (flags & CLONE_SETTLS)
3856: cpu_set_tls (env, newtls);
1.1.1.8 root 3857: if (flags & CLONE_CHILD_CLEARTID)
3858: ts->child_tidptr = child_tidptr;
1.1.1.7 root 3859: #endif
3860: } else {
3861: fork_end(0);
3862: }
1.1 root 3863: }
3864: return ret;
3865: }
3866:
1.1.1.8 root 3867: /* warning : doesn't handle linux specific flags... */
3868: static int target_to_host_fcntl_cmd(int cmd)
3869: {
3870: switch(cmd) {
3871: case TARGET_F_DUPFD:
3872: case TARGET_F_GETFD:
3873: case TARGET_F_SETFD:
3874: case TARGET_F_GETFL:
3875: case TARGET_F_SETFL:
3876: return cmd;
3877: case TARGET_F_GETLK:
3878: return F_GETLK;
3879: case TARGET_F_SETLK:
3880: return F_SETLK;
3881: case TARGET_F_SETLKW:
3882: return F_SETLKW;
3883: case TARGET_F_GETOWN:
3884: return F_GETOWN;
3885: case TARGET_F_SETOWN:
3886: return F_SETOWN;
3887: case TARGET_F_GETSIG:
3888: return F_GETSIG;
3889: case TARGET_F_SETSIG:
3890: return F_SETSIG;
3891: #if TARGET_ABI_BITS == 32
3892: case TARGET_F_GETLK64:
3893: return F_GETLK64;
3894: case TARGET_F_SETLK64:
3895: return F_SETLK64;
3896: case TARGET_F_SETLKW64:
3897: return F_SETLKW64;
3898: #endif
1.1.1.9 root 3899: case TARGET_F_SETLEASE:
3900: return F_SETLEASE;
3901: case TARGET_F_GETLEASE:
3902: return F_GETLEASE;
3903: #ifdef F_DUPFD_CLOEXEC
3904: case TARGET_F_DUPFD_CLOEXEC:
3905: return F_DUPFD_CLOEXEC;
3906: #endif
3907: case TARGET_F_NOTIFY:
3908: return F_NOTIFY;
1.1.1.8 root 3909: default:
3910: return -TARGET_EINVAL;
3911: }
3912: return -TARGET_EINVAL;
3913: }
3914:
1.1.1.6 root 3915: static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
1.1 root 3916: {
3917: struct flock fl;
1.1.1.3 root 3918: struct target_flock *target_fl;
1.1.1.5 root 3919: struct flock64 fl64;
3920: struct target_flock64 *target_fl64;
1.1.1.6 root 3921: abi_long ret;
1.1.1.8 root 3922: int host_cmd = target_to_host_fcntl_cmd(cmd);
3923:
3924: if (host_cmd == -TARGET_EINVAL)
3925: return host_cmd;
1.1.1.3 root 3926:
1.1 root 3927: switch(cmd) {
3928: case TARGET_F_GETLK:
1.1.1.6 root 3929: if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3930: return -TARGET_EFAULT;
3931: fl.l_type = tswap16(target_fl->l_type);
3932: fl.l_whence = tswap16(target_fl->l_whence);
3933: fl.l_start = tswapl(target_fl->l_start);
3934: fl.l_len = tswapl(target_fl->l_len);
1.1.1.9 root 3935: fl.l_pid = tswap32(target_fl->l_pid);
1.1.1.6 root 3936: unlock_user_struct(target_fl, arg, 0);
1.1.1.8 root 3937: ret = get_errno(fcntl(fd, host_cmd, &fl));
1.1 root 3938: if (ret == 0) {
1.1.1.6 root 3939: if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3940: return -TARGET_EFAULT;
1.1 root 3941: target_fl->l_type = tswap16(fl.l_type);
3942: target_fl->l_whence = tswap16(fl.l_whence);
3943: target_fl->l_start = tswapl(fl.l_start);
3944: target_fl->l_len = tswapl(fl.l_len);
1.1.1.9 root 3945: target_fl->l_pid = tswap32(fl.l_pid);
1.1.1.3 root 3946: unlock_user_struct(target_fl, arg, 1);
1.1 root 3947: }
3948: break;
1.1.1.6 root 3949:
1.1 root 3950: case TARGET_F_SETLK:
3951: case TARGET_F_SETLKW:
1.1.1.6 root 3952: if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3953: return -TARGET_EFAULT;
1.1 root 3954: fl.l_type = tswap16(target_fl->l_type);
3955: fl.l_whence = tswap16(target_fl->l_whence);
3956: fl.l_start = tswapl(target_fl->l_start);
3957: fl.l_len = tswapl(target_fl->l_len);
1.1.1.9 root 3958: fl.l_pid = tswap32(target_fl->l_pid);
1.1.1.3 root 3959: unlock_user_struct(target_fl, arg, 0);
1.1.1.8 root 3960: ret = get_errno(fcntl(fd, host_cmd, &fl));
1.1 root 3961: break;
1.1.1.6 root 3962:
1.1 root 3963: case TARGET_F_GETLK64:
1.1.1.6 root 3964: if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3965: return -TARGET_EFAULT;
3966: fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3967: fl64.l_whence = tswap16(target_fl64->l_whence);
3968: fl64.l_start = tswapl(target_fl64->l_start);
3969: fl64.l_len = tswapl(target_fl64->l_len);
1.1.1.9 root 3970: fl64.l_pid = tswap32(target_fl64->l_pid);
1.1.1.6 root 3971: unlock_user_struct(target_fl64, arg, 0);
1.1.1.8 root 3972: ret = get_errno(fcntl(fd, host_cmd, &fl64));
1.1.1.5 root 3973: if (ret == 0) {
1.1.1.6 root 3974: if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3975: return -TARGET_EFAULT;
1.1.1.5 root 3976: target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3977: target_fl64->l_whence = tswap16(fl64.l_whence);
3978: target_fl64->l_start = tswapl(fl64.l_start);
3979: target_fl64->l_len = tswapl(fl64.l_len);
1.1.1.9 root 3980: target_fl64->l_pid = tswap32(fl64.l_pid);
1.1.1.5 root 3981: unlock_user_struct(target_fl64, arg, 1);
3982: }
1.1.1.6 root 3983: break;
1.1 root 3984: case TARGET_F_SETLK64:
3985: case TARGET_F_SETLKW64:
1.1.1.6 root 3986: if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3987: return -TARGET_EFAULT;
1.1.1.5 root 3988: fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3989: fl64.l_whence = tswap16(target_fl64->l_whence);
3990: fl64.l_start = tswapl(target_fl64->l_start);
3991: fl64.l_len = tswapl(target_fl64->l_len);
1.1.1.9 root 3992: fl64.l_pid = tswap32(target_fl64->l_pid);
1.1.1.5 root 3993: unlock_user_struct(target_fl64, arg, 0);
1.1.1.8 root 3994: ret = get_errno(fcntl(fd, host_cmd, &fl64));
1.1 root 3995: break;
3996:
1.1.1.8 root 3997: case TARGET_F_GETFL:
3998: ret = get_errno(fcntl(fd, host_cmd, arg));
1.1.1.6 root 3999: if (ret >= 0) {
4000: ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4001: }
1.1 root 4002: break;
4003:
1.1.1.8 root 4004: case TARGET_F_SETFL:
4005: ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4006: break;
4007:
4008: case TARGET_F_SETOWN:
4009: case TARGET_F_GETOWN:
4010: case TARGET_F_SETSIG:
4011: case TARGET_F_GETSIG:
1.1.1.9 root 4012: case TARGET_F_SETLEASE:
4013: case TARGET_F_GETLEASE:
1.1.1.8 root 4014: ret = get_errno(fcntl(fd, host_cmd, arg));
1.1 root 4015: break;
4016:
4017: default:
1.1.1.6 root 4018: ret = get_errno(fcntl(fd, cmd, arg));
1.1 root 4019: break;
4020: }
4021: return ret;
4022: }
4023:
4024: #ifdef USE_UID16
4025:
4026: static inline int high2lowuid(int uid)
4027: {
4028: if (uid > 65535)
4029: return 65534;
4030: else
4031: return uid;
4032: }
4033:
4034: static inline int high2lowgid(int gid)
4035: {
4036: if (gid > 65535)
4037: return 65534;
4038: else
4039: return gid;
4040: }
4041:
4042: static inline int low2highuid(int uid)
4043: {
4044: if ((int16_t)uid == -1)
4045: return -1;
4046: else
4047: return uid;
4048: }
4049:
4050: static inline int low2highgid(int gid)
4051: {
4052: if ((int16_t)gid == -1)
4053: return -1;
4054: else
4055: return gid;
4056: }
4057:
4058: #endif /* USE_UID16 */
4059:
4060: void syscall_init(void)
4061: {
4062: IOCTLEntry *ie;
4063: const argtype *arg_type;
4064: int size;
1.1.1.6 root 4065: int i;
1.1 root 4066:
1.1.1.8 root 4067: #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1.1.1.6 root 4068: #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1.1 root 4069: #include "syscall_types.h"
4070: #undef STRUCT
4071: #undef STRUCT_SPECIAL
4072:
4073: /* we patch the ioctl size if necessary. We rely on the fact that
4074: no ioctl has all the bits at '1' in the size field */
4075: ie = ioctl_entries;
4076: while (ie->target_cmd != 0) {
4077: if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
4078: TARGET_IOC_SIZEMASK) {
4079: arg_type = ie->arg_type;
4080: if (arg_type[0] != TYPE_PTR) {
1.1.1.6 root 4081: fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1.1 root 4082: ie->target_cmd);
4083: exit(1);
4084: }
4085: arg_type++;
4086: size = thunk_type_size(arg_type, 0);
1.1.1.6 root 4087: ie->target_cmd = (ie->target_cmd &
1.1 root 4088: ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
4089: (size << TARGET_IOC_SIZESHIFT);
4090: }
1.1.1.6 root 4091:
4092: /* Build target_to_host_errno_table[] table from
4093: * host_to_target_errno_table[]. */
4094: for (i=0; i < ERRNO_TABLE_SIZE; i++)
4095: target_to_host_errno_table[host_to_target_errno_table[i]] = i;
4096:
1.1 root 4097: /* automatic consistency check if same arch */
1.1.1.7 root 4098: #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4099: (defined(__x86_64__) && defined(TARGET_X86_64))
4100: if (unlikely(ie->target_cmd != ie->host_cmd)) {
4101: fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4102: ie->name, ie->target_cmd, ie->host_cmd);
1.1 root 4103: }
4104: #endif
4105: ie++;
4106: }
4107: }
4108:
1.1.1.6 root 4109: #if TARGET_ABI_BITS == 32
1.1.1.3 root 4110: static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4111: {
1.1.1.7 root 4112: #ifdef TARGET_WORDS_BIGENDIAN
1.1.1.3 root 4113: return ((uint64_t)word0 << 32) | word1;
4114: #else
4115: return ((uint64_t)word1 << 32) | word0;
4116: #endif
4117: }
1.1.1.6 root 4118: #else /* TARGET_ABI_BITS == 32 */
4119: static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4120: {
4121: return word0;
4122: }
4123: #endif /* TARGET_ABI_BITS != 32 */
1.1.1.3 root 4124:
4125: #ifdef TARGET_NR_truncate64
1.1.1.6 root 4126: static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4127: abi_long arg2,
4128: abi_long arg3,
4129: abi_long arg4)
1.1.1.3 root 4130: {
4131: #ifdef TARGET_ARM
4132: if (((CPUARMState *)cpu_env)->eabi)
4133: {
4134: arg2 = arg3;
4135: arg3 = arg4;
4136: }
4137: #endif
4138: return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4139: }
4140: #endif
4141:
4142: #ifdef TARGET_NR_ftruncate64
1.1.1.6 root 4143: static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4144: abi_long arg2,
4145: abi_long arg3,
4146: abi_long arg4)
1.1.1.3 root 4147: {
4148: #ifdef TARGET_ARM
4149: if (((CPUARMState *)cpu_env)->eabi)
4150: {
4151: arg2 = arg3;
4152: arg3 = arg4;
4153: }
4154: #endif
4155: return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4156: }
4157: #endif
4158:
1.1.1.6 root 4159: static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4160: abi_ulong target_addr)
1.1.1.3 root 4161: {
4162: struct target_timespec *target_ts;
4163:
1.1.1.6 root 4164: if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4165: return -TARGET_EFAULT;
1.1.1.3 root 4166: host_ts->tv_sec = tswapl(target_ts->tv_sec);
4167: host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
4168: unlock_user_struct(target_ts, target_addr, 0);
1.1.1.7 root 4169: return 0;
1.1.1.3 root 4170: }
4171:
1.1.1.6 root 4172: static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4173: struct timespec *host_ts)
1.1.1.3 root 4174: {
4175: struct target_timespec *target_ts;
4176:
1.1.1.6 root 4177: if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4178: return -TARGET_EFAULT;
1.1.1.3 root 4179: target_ts->tv_sec = tswapl(host_ts->tv_sec);
4180: target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
4181: unlock_user_struct(target_ts, target_addr, 1);
1.1.1.7 root 4182: return 0;
4183: }
4184:
1.1.1.8 root 4185: #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
1.1.1.7 root 4186: static inline abi_long host_to_target_stat64(void *cpu_env,
4187: abi_ulong target_addr,
4188: struct stat *host_st)
4189: {
4190: #ifdef TARGET_ARM
4191: if (((CPUARMState *)cpu_env)->eabi) {
4192: struct target_eabi_stat64 *target_st;
4193:
4194: if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4195: return -TARGET_EFAULT;
4196: memset(target_st, 0, sizeof(struct target_eabi_stat64));
4197: __put_user(host_st->st_dev, &target_st->st_dev);
4198: __put_user(host_st->st_ino, &target_st->st_ino);
4199: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4200: __put_user(host_st->st_ino, &target_st->__st_ino);
4201: #endif
4202: __put_user(host_st->st_mode, &target_st->st_mode);
4203: __put_user(host_st->st_nlink, &target_st->st_nlink);
4204: __put_user(host_st->st_uid, &target_st->st_uid);
4205: __put_user(host_st->st_gid, &target_st->st_gid);
4206: __put_user(host_st->st_rdev, &target_st->st_rdev);
4207: __put_user(host_st->st_size, &target_st->st_size);
4208: __put_user(host_st->st_blksize, &target_st->st_blksize);
4209: __put_user(host_st->st_blocks, &target_st->st_blocks);
4210: __put_user(host_st->st_atime, &target_st->target_st_atime);
4211: __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4212: __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4213: unlock_user_struct(target_st, target_addr, 1);
4214: } else
4215: #endif
4216: {
1.1.1.10 root 4217: #if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
1.1.1.8 root 4218: struct target_stat *target_st;
4219: #else
1.1.1.7 root 4220: struct target_stat64 *target_st;
1.1.1.8 root 4221: #endif
1.1.1.7 root 4222:
4223: if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4224: return -TARGET_EFAULT;
1.1.1.8 root 4225: memset(target_st, 0, sizeof(*target_st));
1.1.1.7 root 4226: __put_user(host_st->st_dev, &target_st->st_dev);
4227: __put_user(host_st->st_ino, &target_st->st_ino);
4228: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4229: __put_user(host_st->st_ino, &target_st->__st_ino);
4230: #endif
4231: __put_user(host_st->st_mode, &target_st->st_mode);
4232: __put_user(host_st->st_nlink, &target_st->st_nlink);
4233: __put_user(host_st->st_uid, &target_st->st_uid);
4234: __put_user(host_st->st_gid, &target_st->st_gid);
4235: __put_user(host_st->st_rdev, &target_st->st_rdev);
4236: /* XXX: better use of kernel struct */
4237: __put_user(host_st->st_size, &target_st->st_size);
4238: __put_user(host_st->st_blksize, &target_st->st_blksize);
4239: __put_user(host_st->st_blocks, &target_st->st_blocks);
4240: __put_user(host_st->st_atime, &target_st->target_st_atime);
4241: __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4242: __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4243: unlock_user_struct(target_st, target_addr, 1);
4244: }
4245:
4246: return 0;
4247: }
4248: #endif
4249:
1.1.1.9 root 4250: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 4251: /* ??? Using host futex calls even when target atomic operations
4252: are not really atomic probably breaks things. However implementing
4253: futexes locally would make futexes shared between multiple processes
4254: tricky. However they're probably useless because guest atomic
4255: operations won't work either. */
4256: static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4257: target_ulong uaddr2, int val3)
4258: {
4259: struct timespec ts, *pts;
1.1.1.9 root 4260: int base_op;
1.1.1.7 root 4261:
4262: /* ??? We assume FUTEX_* constants are the same on both host
4263: and target. */
1.1.1.8 root 4264: #ifdef FUTEX_CMD_MASK
1.1.1.9 root 4265: base_op = op & FUTEX_CMD_MASK;
1.1.1.8 root 4266: #else
1.1.1.9 root 4267: base_op = op;
1.1.1.8 root 4268: #endif
1.1.1.9 root 4269: switch (base_op) {
1.1.1.7 root 4270: case FUTEX_WAIT:
4271: if (timeout) {
4272: pts = &ts;
4273: target_to_host_timespec(pts, timeout);
4274: } else {
4275: pts = NULL;
4276: }
1.1.1.8 root 4277: return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
1.1.1.7 root 4278: pts, NULL, 0));
4279: case FUTEX_WAKE:
1.1.1.8 root 4280: return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
1.1.1.7 root 4281: case FUTEX_FD:
1.1.1.8 root 4282: return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
1.1.1.7 root 4283: case FUTEX_REQUEUE:
4284: case FUTEX_CMP_REQUEUE:
1.1.1.9 root 4285: case FUTEX_WAKE_OP:
4286: /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4287: TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4288: But the prototype takes a `struct timespec *'; insert casts
4289: to satisfy the compiler. We do not need to tswap TIMEOUT
4290: since it's not compared to guest memory. */
4291: pts = (struct timespec *)(uintptr_t) timeout;
4292: return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4293: g2h(uaddr2),
4294: (base_op == FUTEX_CMP_REQUEUE
4295: ? tswap32(val3)
4296: : val3)));
1.1.1.7 root 4297: default:
4298: return -TARGET_ENOSYS;
4299: }
4300: }
4301: #endif
4302:
1.1.1.8 root 4303: /* Map host to target signal numbers for the wait family of syscalls.
4304: Assume all other status bits are the same. */
4305: static int host_to_target_waitstatus(int status)
4306: {
4307: if (WIFSIGNALED(status)) {
4308: return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4309: }
4310: if (WIFSTOPPED(status)) {
4311: return (host_to_target_signal(WSTOPSIG(status)) << 8)
4312: | (status & 0xff);
4313: }
4314: return status;
4315: }
4316:
1.1.1.7 root 4317: int get_osversion(void)
4318: {
4319: static int osversion;
4320: struct new_utsname buf;
4321: const char *s;
4322: int i, n, tmp;
4323: if (osversion)
4324: return osversion;
4325: if (qemu_uname_release && *qemu_uname_release) {
4326: s = qemu_uname_release;
4327: } else {
4328: if (sys_uname(&buf))
4329: return 0;
4330: s = buf.release;
4331: }
4332: tmp = 0;
4333: for (i = 0; i < 3; i++) {
4334: n = 0;
4335: while (*s >= '0' && *s <= '9') {
4336: n *= 10;
4337: n += *s - '0';
4338: s++;
4339: }
4340: tmp = (tmp << 8) + n;
4341: if (*s == '.')
4342: s++;
4343: }
4344: osversion = tmp;
4345: return osversion;
1.1.1.3 root 4346: }
4347:
1.1.1.6 root 4348: /* do_syscall() should always have a single exit point at the end so
4349: that actions, such as logging of syscall results, can be performed.
4350: All errnos that do_syscall() returns must be -TARGET_<errcode>. */
4351: abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4352: abi_long arg2, abi_long arg3, abi_long arg4,
4353: abi_long arg5, abi_long arg6)
1.1 root 4354: {
1.1.1.6 root 4355: abi_long ret;
1.1 root 4356: struct stat st;
1.1.1.2 root 4357: struct statfs stfs;
1.1.1.3 root 4358: void *p;
1.1.1.6 root 4359:
1.1 root 4360: #ifdef DEBUG
4361: gemu_log("syscall %d", num);
4362: #endif
1.1.1.6 root 4363: if(do_strace)
4364: print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4365:
1.1 root 4366: switch(num) {
4367: case TARGET_NR_exit:
1.1.1.9 root 4368: #ifdef CONFIG_USE_NPTL
1.1.1.8 root 4369: /* In old applications this may be used to implement _exit(2).
4370: However in threaded applictions it is used for thread termination,
4371: and _exit_group is used for application termination.
4372: Do thread termination if we have more then one thread. */
4373: /* FIXME: This probably breaks if a signal arrives. We should probably
4374: be disabling signals. */
4375: if (first_cpu->next_cpu) {
4376: TaskState *ts;
4377: CPUState **lastp;
4378: CPUState *p;
4379:
4380: cpu_list_lock();
4381: lastp = &first_cpu;
4382: p = first_cpu;
4383: while (p && p != (CPUState *)cpu_env) {
4384: lastp = &p->next_cpu;
4385: p = p->next_cpu;
4386: }
4387: /* If we didn't find the CPU for this thread then something is
4388: horribly wrong. */
4389: if (!p)
4390: abort();
4391: /* Remove the CPU from the list. */
4392: *lastp = p->next_cpu;
4393: cpu_list_unlock();
4394: ts = ((CPUState *)cpu_env)->opaque;
4395: if (ts->child_tidptr) {
4396: put_user_u32(0, ts->child_tidptr);
4397: sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4398: NULL, NULL, 0);
4399: }
1.1.1.11! root 4400: thread_env = NULL;
! 4401: qemu_free(cpu_env);
! 4402: qemu_free(ts);
1.1.1.8 root 4403: pthread_exit(NULL);
4404: }
4405: #endif
1.1.1.9 root 4406: #ifdef TARGET_GPROF
1.1 root 4407: _mcleanup();
4408: #endif
4409: gdb_exit(cpu_env, arg1);
1.1.1.8 root 4410: _exit(arg1);
1.1 root 4411: ret = 0; /* avoid warning */
4412: break;
4413: case TARGET_NR_read:
1.1.1.7 root 4414: if (arg3 == 0)
4415: ret = 0;
4416: else {
4417: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4418: goto efault;
4419: ret = get_errno(read(arg1, p, arg3));
4420: unlock_user(p, arg2, ret);
4421: }
1.1 root 4422: break;
4423: case TARGET_NR_write:
1.1.1.6 root 4424: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4425: goto efault;
1.1.1.3 root 4426: ret = get_errno(write(arg1, p, arg3));
4427: unlock_user(p, arg2, 0);
1.1 root 4428: break;
4429: case TARGET_NR_open:
1.1.1.6 root 4430: if (!(p = lock_user_string(arg1)))
4431: goto efault;
1.1.1.3 root 4432: ret = get_errno(open(path(p),
1.1 root 4433: target_to_host_bitmask(arg2, fcntl_flags_tbl),
4434: arg3));
1.1.1.3 root 4435: unlock_user(p, arg1, 0);
1.1 root 4436: break;
1.1.1.6 root 4437: #if defined(TARGET_NR_openat) && defined(__NR_openat)
4438: case TARGET_NR_openat:
4439: if (!(p = lock_user_string(arg2)))
4440: goto efault;
4441: ret = get_errno(sys_openat(arg1,
4442: path(p),
4443: target_to_host_bitmask(arg3, fcntl_flags_tbl),
4444: arg4));
4445: unlock_user(p, arg2, 0);
4446: break;
4447: #endif
1.1 root 4448: case TARGET_NR_close:
4449: ret = get_errno(close(arg1));
4450: break;
4451: case TARGET_NR_brk:
1.1.1.3 root 4452: ret = do_brk(arg1);
1.1 root 4453: break;
4454: case TARGET_NR_fork:
1.1.1.7 root 4455: ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
1.1 root 4456: break;
1.1.1.6 root 4457: #ifdef TARGET_NR_waitpid
1.1 root 4458: case TARGET_NR_waitpid:
4459: {
1.1.1.3 root 4460: int status;
4461: ret = get_errno(waitpid(arg1, &status, arg3));
1.1.1.6 root 4462: if (!is_error(ret) && arg2
1.1.1.8 root 4463: && put_user_s32(host_to_target_waitstatus(status), arg2))
1.1.1.6 root 4464: goto efault;
1.1 root 4465: }
4466: break;
1.1.1.6 root 4467: #endif
1.1.1.7 root 4468: #ifdef TARGET_NR_waitid
4469: case TARGET_NR_waitid:
4470: {
4471: siginfo_t info;
4472: info.si_pid = 0;
4473: ret = get_errno(waitid(arg1, arg2, &info, arg4));
4474: if (!is_error(ret) && arg3 && info.si_pid != 0) {
4475: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
4476: goto efault;
4477: host_to_target_siginfo(p, &info);
4478: unlock_user(p, arg3, sizeof(target_siginfo_t));
4479: }
4480: }
4481: break;
4482: #endif
1.1.1.6 root 4483: #ifdef TARGET_NR_creat /* not on alpha */
1.1 root 4484: case TARGET_NR_creat:
1.1.1.6 root 4485: if (!(p = lock_user_string(arg1)))
4486: goto efault;
1.1.1.3 root 4487: ret = get_errno(creat(p, arg2));
4488: unlock_user(p, arg1, 0);
1.1 root 4489: break;
1.1.1.6 root 4490: #endif
1.1 root 4491: case TARGET_NR_link:
1.1.1.3 root 4492: {
4493: void * p2;
4494: p = lock_user_string(arg1);
4495: p2 = lock_user_string(arg2);
1.1.1.6 root 4496: if (!p || !p2)
4497: ret = -TARGET_EFAULT;
4498: else
4499: ret = get_errno(link(p, p2));
1.1.1.3 root 4500: unlock_user(p2, arg2, 0);
4501: unlock_user(p, arg1, 0);
4502: }
1.1 root 4503: break;
1.1.1.6 root 4504: #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4505: case TARGET_NR_linkat:
4506: {
4507: void * p2 = NULL;
4508: if (!arg2 || !arg4)
4509: goto efault;
4510: p = lock_user_string(arg2);
4511: p2 = lock_user_string(arg4);
4512: if (!p || !p2)
4513: ret = -TARGET_EFAULT;
4514: else
4515: ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
4516: unlock_user(p, arg2, 0);
4517: unlock_user(p2, arg4, 0);
4518: }
4519: break;
4520: #endif
1.1 root 4521: case TARGET_NR_unlink:
1.1.1.6 root 4522: if (!(p = lock_user_string(arg1)))
4523: goto efault;
1.1.1.3 root 4524: ret = get_errno(unlink(p));
4525: unlock_user(p, arg1, 0);
1.1 root 4526: break;
1.1.1.6 root 4527: #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4528: case TARGET_NR_unlinkat:
4529: if (!(p = lock_user_string(arg2)))
4530: goto efault;
4531: ret = get_errno(sys_unlinkat(arg1, p, arg3));
4532: unlock_user(p, arg2, 0);
4533: break;
4534: #endif
1.1 root 4535: case TARGET_NR_execve:
4536: {
4537: char **argp, **envp;
4538: int argc, envc;
1.1.1.6 root 4539: abi_ulong gp;
4540: abi_ulong guest_argp;
4541: abi_ulong guest_envp;
4542: abi_ulong addr;
1.1 root 4543: char **q;
4544:
4545: argc = 0;
1.1.1.3 root 4546: guest_argp = arg2;
1.1.1.7 root 4547: for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
1.1.1.6 root 4548: if (get_user_ual(addr, gp))
4549: goto efault;
4550: if (!addr)
4551: break;
1.1 root 4552: argc++;
1.1.1.6 root 4553: }
1.1 root 4554: envc = 0;
1.1.1.3 root 4555: guest_envp = arg3;
1.1.1.7 root 4556: for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
1.1.1.6 root 4557: if (get_user_ual(addr, gp))
4558: goto efault;
4559: if (!addr)
4560: break;
1.1 root 4561: envc++;
1.1.1.6 root 4562: }
1.1 root 4563:
4564: argp = alloca((argc + 1) * sizeof(void *));
4565: envp = alloca((envc + 1) * sizeof(void *));
4566:
1.1.1.7 root 4567: for (gp = guest_argp, q = argp; gp;
1.1.1.6 root 4568: gp += sizeof(abi_ulong), q++) {
4569: if (get_user_ual(addr, gp))
4570: goto execve_efault;
1.1.1.3 root 4571: if (!addr)
4572: break;
1.1.1.6 root 4573: if (!(*q = lock_user_string(addr)))
4574: goto execve_efault;
1.1.1.3 root 4575: }
1.1 root 4576: *q = NULL;
4577:
1.1.1.7 root 4578: for (gp = guest_envp, q = envp; gp;
1.1.1.6 root 4579: gp += sizeof(abi_ulong), q++) {
4580: if (get_user_ual(addr, gp))
4581: goto execve_efault;
1.1.1.3 root 4582: if (!addr)
4583: break;
1.1.1.6 root 4584: if (!(*q = lock_user_string(addr)))
4585: goto execve_efault;
1.1.1.3 root 4586: }
1.1 root 4587: *q = NULL;
4588:
1.1.1.6 root 4589: if (!(p = lock_user_string(arg1)))
4590: goto execve_efault;
1.1.1.3 root 4591: ret = get_errno(execve(p, argp, envp));
4592: unlock_user(p, arg1, 0);
4593:
1.1.1.6 root 4594: goto execve_end;
4595:
4596: execve_efault:
4597: ret = -TARGET_EFAULT;
4598:
4599: execve_end:
1.1.1.3 root 4600: for (gp = guest_argp, q = argp; *q;
1.1.1.6 root 4601: gp += sizeof(abi_ulong), q++) {
4602: if (get_user_ual(addr, gp)
4603: || !addr)
4604: break;
1.1.1.3 root 4605: unlock_user(*q, addr, 0);
4606: }
4607: for (gp = guest_envp, q = envp; *q;
1.1.1.6 root 4608: gp += sizeof(abi_ulong), q++) {
4609: if (get_user_ual(addr, gp)
4610: || !addr)
4611: break;
1.1.1.3 root 4612: unlock_user(*q, addr, 0);
4613: }
1.1 root 4614: }
4615: break;
4616: case TARGET_NR_chdir:
1.1.1.6 root 4617: if (!(p = lock_user_string(arg1)))
4618: goto efault;
1.1.1.3 root 4619: ret = get_errno(chdir(p));
4620: unlock_user(p, arg1, 0);
1.1 root 4621: break;
4622: #ifdef TARGET_NR_time
4623: case TARGET_NR_time:
4624: {
1.1.1.3 root 4625: time_t host_time;
4626: ret = get_errno(time(&host_time));
1.1.1.6 root 4627: if (!is_error(ret)
4628: && arg1
4629: && put_user_sal(host_time, arg1))
4630: goto efault;
1.1 root 4631: }
4632: break;
4633: #endif
4634: case TARGET_NR_mknod:
1.1.1.6 root 4635: if (!(p = lock_user_string(arg1)))
4636: goto efault;
1.1.1.3 root 4637: ret = get_errno(mknod(p, arg2, arg3));
4638: unlock_user(p, arg1, 0);
1.1 root 4639: break;
1.1.1.6 root 4640: #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4641: case TARGET_NR_mknodat:
4642: if (!(p = lock_user_string(arg2)))
4643: goto efault;
4644: ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4645: unlock_user(p, arg2, 0);
4646: break;
4647: #endif
1.1 root 4648: case TARGET_NR_chmod:
1.1.1.6 root 4649: if (!(p = lock_user_string(arg1)))
4650: goto efault;
1.1.1.3 root 4651: ret = get_errno(chmod(p, arg2));
4652: unlock_user(p, arg1, 0);
1.1 root 4653: break;
4654: #ifdef TARGET_NR_break
4655: case TARGET_NR_break:
4656: goto unimplemented;
4657: #endif
4658: #ifdef TARGET_NR_oldstat
4659: case TARGET_NR_oldstat:
4660: goto unimplemented;
4661: #endif
4662: case TARGET_NR_lseek:
4663: ret = get_errno(lseek(arg1, arg2, arg3));
4664: break;
1.1.1.10 root 4665: #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
4666: /* Alpha specific */
1.1.1.6 root 4667: case TARGET_NR_getxpid:
1.1.1.10 root 4668: ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
4669: ret = get_errno(getpid());
4670: break;
1.1.1.6 root 4671: #endif
1.1.1.10 root 4672: #ifdef TARGET_NR_getpid
4673: case TARGET_NR_getpid:
1.1 root 4674: ret = get_errno(getpid());
4675: break;
1.1.1.10 root 4676: #endif
1.1 root 4677: case TARGET_NR_mount:
1.1.1.6 root 4678: {
4679: /* need to look at the data field */
4680: void *p2, *p3;
4681: p = lock_user_string(arg1);
4682: p2 = lock_user_string(arg2);
4683: p3 = lock_user_string(arg3);
4684: if (!p || !p2 || !p3)
4685: ret = -TARGET_EFAULT;
1.1.1.9 root 4686: else {
1.1.1.6 root 4687: /* FIXME - arg5 should be locked, but it isn't clear how to
4688: * do that since it's not guaranteed to be a NULL-terminated
4689: * string.
4690: */
1.1.1.9 root 4691: if ( ! arg5 )
4692: ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
4693: else
4694: ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4695: }
1.1.1.6 root 4696: unlock_user(p, arg1, 0);
4697: unlock_user(p2, arg2, 0);
4698: unlock_user(p3, arg3, 0);
4699: break;
4700: }
4701: #ifdef TARGET_NR_umount
1.1 root 4702: case TARGET_NR_umount:
1.1.1.6 root 4703: if (!(p = lock_user_string(arg1)))
4704: goto efault;
1.1.1.3 root 4705: ret = get_errno(umount(p));
4706: unlock_user(p, arg1, 0);
1.1 root 4707: break;
1.1.1.6 root 4708: #endif
4709: #ifdef TARGET_NR_stime /* not on alpha */
1.1 root 4710: case TARGET_NR_stime:
4711: {
1.1.1.3 root 4712: time_t host_time;
1.1.1.6 root 4713: if (get_user_sal(host_time, arg1))
4714: goto efault;
1.1.1.3 root 4715: ret = get_errno(stime(&host_time));
1.1 root 4716: }
4717: break;
1.1.1.6 root 4718: #endif
1.1 root 4719: case TARGET_NR_ptrace:
4720: goto unimplemented;
1.1.1.6 root 4721: #ifdef TARGET_NR_alarm /* not on alpha */
1.1 root 4722: case TARGET_NR_alarm:
4723: ret = alarm(arg1);
4724: break;
1.1.1.6 root 4725: #endif
1.1 root 4726: #ifdef TARGET_NR_oldfstat
4727: case TARGET_NR_oldfstat:
4728: goto unimplemented;
4729: #endif
1.1.1.6 root 4730: #ifdef TARGET_NR_pause /* not on alpha */
1.1 root 4731: case TARGET_NR_pause:
4732: ret = get_errno(pause());
4733: break;
1.1.1.6 root 4734: #endif
4735: #ifdef TARGET_NR_utime
1.1 root 4736: case TARGET_NR_utime:
4737: {
1.1.1.3 root 4738: struct utimbuf tbuf, *host_tbuf;
4739: struct target_utimbuf *target_tbuf;
4740: if (arg2) {
1.1.1.6 root 4741: if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4742: goto efault;
1.1.1.3 root 4743: tbuf.actime = tswapl(target_tbuf->actime);
4744: tbuf.modtime = tswapl(target_tbuf->modtime);
4745: unlock_user_struct(target_tbuf, arg2, 0);
4746: host_tbuf = &tbuf;
1.1 root 4747: } else {
1.1.1.3 root 4748: host_tbuf = NULL;
1.1 root 4749: }
1.1.1.6 root 4750: if (!(p = lock_user_string(arg1)))
4751: goto efault;
1.1.1.3 root 4752: ret = get_errno(utime(p, host_tbuf));
4753: unlock_user(p, arg1, 0);
1.1 root 4754: }
4755: break;
1.1.1.6 root 4756: #endif
1.1 root 4757: case TARGET_NR_utimes:
4758: {
4759: struct timeval *tvp, tv[2];
1.1.1.3 root 4760: if (arg2) {
1.1.1.6 root 4761: if (copy_from_user_timeval(&tv[0], arg2)
4762: || copy_from_user_timeval(&tv[1],
4763: arg2 + sizeof(struct target_timeval)))
4764: goto efault;
1.1 root 4765: tvp = tv;
4766: } else {
4767: tvp = NULL;
4768: }
1.1.1.6 root 4769: if (!(p = lock_user_string(arg1)))
4770: goto efault;
1.1.1.3 root 4771: ret = get_errno(utimes(p, tvp));
4772: unlock_user(p, arg1, 0);
1.1 root 4773: }
4774: break;
1.1.1.7 root 4775: #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4776: case TARGET_NR_futimesat:
4777: {
4778: struct timeval *tvp, tv[2];
4779: if (arg3) {
4780: if (copy_from_user_timeval(&tv[0], arg3)
4781: || copy_from_user_timeval(&tv[1],
4782: arg3 + sizeof(struct target_timeval)))
4783: goto efault;
4784: tvp = tv;
4785: } else {
4786: tvp = NULL;
4787: }
4788: if (!(p = lock_user_string(arg2)))
4789: goto efault;
4790: ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4791: unlock_user(p, arg2, 0);
4792: }
4793: break;
4794: #endif
1.1 root 4795: #ifdef TARGET_NR_stty
4796: case TARGET_NR_stty:
4797: goto unimplemented;
4798: #endif
4799: #ifdef TARGET_NR_gtty
4800: case TARGET_NR_gtty:
4801: goto unimplemented;
4802: #endif
4803: case TARGET_NR_access:
1.1.1.6 root 4804: if (!(p = lock_user_string(arg1)))
4805: goto efault;
1.1.1.8 root 4806: ret = get_errno(access(path(p), arg2));
1.1.1.3 root 4807: unlock_user(p, arg1, 0);
1.1 root 4808: break;
1.1.1.6 root 4809: #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4810: case TARGET_NR_faccessat:
4811: if (!(p = lock_user_string(arg2)))
4812: goto efault;
1.1.1.8 root 4813: ret = get_errno(sys_faccessat(arg1, p, arg3));
1.1.1.6 root 4814: unlock_user(p, arg2, 0);
4815: break;
4816: #endif
4817: #ifdef TARGET_NR_nice /* not on alpha */
1.1 root 4818: case TARGET_NR_nice:
4819: ret = get_errno(nice(arg1));
4820: break;
1.1.1.6 root 4821: #endif
1.1 root 4822: #ifdef TARGET_NR_ftime
4823: case TARGET_NR_ftime:
4824: goto unimplemented;
4825: #endif
4826: case TARGET_NR_sync:
4827: sync();
4828: ret = 0;
4829: break;
4830: case TARGET_NR_kill:
1.1.1.7 root 4831: ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
1.1 root 4832: break;
4833: case TARGET_NR_rename:
1.1.1.3 root 4834: {
4835: void *p2;
4836: p = lock_user_string(arg1);
4837: p2 = lock_user_string(arg2);
1.1.1.6 root 4838: if (!p || !p2)
4839: ret = -TARGET_EFAULT;
4840: else
4841: ret = get_errno(rename(p, p2));
1.1.1.3 root 4842: unlock_user(p2, arg2, 0);
4843: unlock_user(p, arg1, 0);
4844: }
1.1 root 4845: break;
1.1.1.6 root 4846: #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4847: case TARGET_NR_renameat:
4848: {
4849: void *p2;
4850: p = lock_user_string(arg2);
4851: p2 = lock_user_string(arg4);
4852: if (!p || !p2)
4853: ret = -TARGET_EFAULT;
4854: else
4855: ret = get_errno(sys_renameat(arg1, p, arg3, p2));
4856: unlock_user(p2, arg4, 0);
4857: unlock_user(p, arg2, 0);
4858: }
4859: break;
4860: #endif
1.1 root 4861: case TARGET_NR_mkdir:
1.1.1.6 root 4862: if (!(p = lock_user_string(arg1)))
4863: goto efault;
1.1.1.3 root 4864: ret = get_errno(mkdir(p, arg2));
4865: unlock_user(p, arg1, 0);
1.1 root 4866: break;
1.1.1.6 root 4867: #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4868: case TARGET_NR_mkdirat:
4869: if (!(p = lock_user_string(arg2)))
4870: goto efault;
4871: ret = get_errno(sys_mkdirat(arg1, p, arg3));
4872: unlock_user(p, arg2, 0);
4873: break;
4874: #endif
1.1 root 4875: case TARGET_NR_rmdir:
1.1.1.6 root 4876: if (!(p = lock_user_string(arg1)))
4877: goto efault;
1.1.1.3 root 4878: ret = get_errno(rmdir(p));
4879: unlock_user(p, arg1, 0);
1.1 root 4880: break;
4881: case TARGET_NR_dup:
4882: ret = get_errno(dup(arg1));
4883: break;
4884: case TARGET_NR_pipe:
1.1.1.10 root 4885: ret = do_pipe(cpu_env, arg1, 0, 0);
1.1 root 4886: break;
1.1.1.8 root 4887: #ifdef TARGET_NR_pipe2
4888: case TARGET_NR_pipe2:
1.1.1.10 root 4889: ret = do_pipe(cpu_env, arg1, arg2, 1);
1.1.1.8 root 4890: break;
4891: #endif
1.1 root 4892: case TARGET_NR_times:
4893: {
1.1.1.3 root 4894: struct target_tms *tmsp;
1.1 root 4895: struct tms tms;
4896: ret = get_errno(times(&tms));
1.1.1.3 root 4897: if (arg1) {
1.1.1.6 root 4898: tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4899: if (!tmsp)
4900: goto efault;
1.1 root 4901: tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4902: tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4903: tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4904: tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
4905: }
4906: if (!is_error(ret))
4907: ret = host_to_target_clock_t(ret);
4908: }
4909: break;
4910: #ifdef TARGET_NR_prof
4911: case TARGET_NR_prof:
4912: goto unimplemented;
4913: #endif
1.1.1.6 root 4914: #ifdef TARGET_NR_signal
1.1 root 4915: case TARGET_NR_signal:
4916: goto unimplemented;
1.1.1.6 root 4917: #endif
1.1 root 4918: case TARGET_NR_acct:
1.1.1.7 root 4919: if (arg1 == 0) {
4920: ret = get_errno(acct(NULL));
4921: } else {
4922: if (!(p = lock_user_string(arg1)))
4923: goto efault;
4924: ret = get_errno(acct(path(p)));
4925: unlock_user(p, arg1, 0);
4926: }
1.1.1.3 root 4927: break;
1.1.1.6 root 4928: #ifdef TARGET_NR_umount2 /* not on alpha */
1.1 root 4929: case TARGET_NR_umount2:
1.1.1.6 root 4930: if (!(p = lock_user_string(arg1)))
4931: goto efault;
1.1.1.3 root 4932: ret = get_errno(umount2(p, arg2));
4933: unlock_user(p, arg1, 0);
1.1 root 4934: break;
1.1.1.6 root 4935: #endif
1.1 root 4936: #ifdef TARGET_NR_lock
4937: case TARGET_NR_lock:
4938: goto unimplemented;
4939: #endif
4940: case TARGET_NR_ioctl:
4941: ret = do_ioctl(arg1, arg2, arg3);
4942: break;
4943: case TARGET_NR_fcntl:
1.1.1.6 root 4944: ret = do_fcntl(arg1, arg2, arg3);
1.1 root 4945: break;
4946: #ifdef TARGET_NR_mpx
4947: case TARGET_NR_mpx:
4948: goto unimplemented;
4949: #endif
4950: case TARGET_NR_setpgid:
4951: ret = get_errno(setpgid(arg1, arg2));
4952: break;
4953: #ifdef TARGET_NR_ulimit
4954: case TARGET_NR_ulimit:
4955: goto unimplemented;
4956: #endif
4957: #ifdef TARGET_NR_oldolduname
4958: case TARGET_NR_oldolduname:
4959: goto unimplemented;
4960: #endif
4961: case TARGET_NR_umask:
4962: ret = get_errno(umask(arg1));
4963: break;
4964: case TARGET_NR_chroot:
1.1.1.6 root 4965: if (!(p = lock_user_string(arg1)))
4966: goto efault;
1.1.1.3 root 4967: ret = get_errno(chroot(p));
4968: unlock_user(p, arg1, 0);
1.1 root 4969: break;
4970: case TARGET_NR_ustat:
4971: goto unimplemented;
4972: case TARGET_NR_dup2:
4973: ret = get_errno(dup2(arg1, arg2));
4974: break;
1.1.1.9 root 4975: #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
4976: case TARGET_NR_dup3:
4977: ret = get_errno(dup3(arg1, arg2, arg3));
4978: break;
4979: #endif
1.1.1.6 root 4980: #ifdef TARGET_NR_getppid /* not on alpha */
1.1 root 4981: case TARGET_NR_getppid:
4982: ret = get_errno(getppid());
4983: break;
1.1.1.6 root 4984: #endif
1.1 root 4985: case TARGET_NR_getpgrp:
4986: ret = get_errno(getpgrp());
4987: break;
4988: case TARGET_NR_setsid:
4989: ret = get_errno(setsid());
4990: break;
1.1.1.6 root 4991: #ifdef TARGET_NR_sigaction
1.1 root 4992: case TARGET_NR_sigaction:
4993: {
1.1.1.10 root 4994: #if defined(TARGET_ALPHA)
4995: struct target_sigaction act, oact, *pact = 0;
1.1.1.3 root 4996: struct target_old_sigaction *old_act;
4997: if (arg2) {
1.1.1.6 root 4998: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4999: goto efault;
1.1 root 5000: act._sa_handler = old_act->_sa_handler;
5001: target_siginitset(&act.sa_mask, old_act->sa_mask);
5002: act.sa_flags = old_act->sa_flags;
1.1.1.10 root 5003: act.sa_restorer = 0;
1.1.1.3 root 5004: unlock_user_struct(old_act, arg2, 0);
1.1 root 5005: pact = &act;
5006: }
5007: ret = get_errno(do_sigaction(arg1, pact, &oact));
1.1.1.3 root 5008: if (!is_error(ret) && arg3) {
1.1.1.6 root 5009: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5010: goto efault;
1.1.1.3 root 5011: old_act->_sa_handler = oact._sa_handler;
5012: old_act->sa_mask = oact.sa_mask.sig[0];
5013: old_act->sa_flags = oact.sa_flags;
5014: unlock_user_struct(old_act, arg3, 1);
1.1 root 5015: }
1.1.1.10 root 5016: #elif defined(TARGET_MIPS)
1.1.1.4 root 5017: struct target_sigaction act, oact, *pact, *old_act;
5018:
5019: if (arg2) {
1.1.1.6 root 5020: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5021: goto efault;
1.1.1.4 root 5022: act._sa_handler = old_act->_sa_handler;
5023: target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
5024: act.sa_flags = old_act->sa_flags;
5025: unlock_user_struct(old_act, arg2, 0);
5026: pact = &act;
5027: } else {
5028: pact = NULL;
5029: }
5030:
5031: ret = get_errno(do_sigaction(arg1, pact, &oact));
5032:
5033: if (!is_error(ret) && arg3) {
1.1.1.6 root 5034: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5035: goto efault;
1.1.1.4 root 5036: old_act->_sa_handler = oact._sa_handler;
5037: old_act->sa_flags = oact.sa_flags;
5038: old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
5039: old_act->sa_mask.sig[1] = 0;
5040: old_act->sa_mask.sig[2] = 0;
5041: old_act->sa_mask.sig[3] = 0;
5042: unlock_user_struct(old_act, arg3, 1);
5043: }
1.1.1.10 root 5044: #else
5045: struct target_old_sigaction *old_act;
5046: struct target_sigaction act, oact, *pact;
5047: if (arg2) {
5048: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5049: goto efault;
5050: act._sa_handler = old_act->_sa_handler;
5051: target_siginitset(&act.sa_mask, old_act->sa_mask);
5052: act.sa_flags = old_act->sa_flags;
5053: act.sa_restorer = old_act->sa_restorer;
5054: unlock_user_struct(old_act, arg2, 0);
5055: pact = &act;
5056: } else {
5057: pact = NULL;
5058: }
5059: ret = get_errno(do_sigaction(arg1, pact, &oact));
5060: if (!is_error(ret) && arg3) {
5061: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5062: goto efault;
5063: old_act->_sa_handler = oact._sa_handler;
5064: old_act->sa_mask = oact.sa_mask.sig[0];
5065: old_act->sa_flags = oact.sa_flags;
5066: old_act->sa_restorer = oact.sa_restorer;
5067: unlock_user_struct(old_act, arg3, 1);
5068: }
1.1.1.6 root 5069: #endif
1.1 root 5070: }
5071: break;
1.1.1.6 root 5072: #endif
1.1 root 5073: case TARGET_NR_rt_sigaction:
1.1.1.3 root 5074: {
1.1.1.10 root 5075: #if defined(TARGET_ALPHA)
5076: struct target_sigaction act, oact, *pact = 0;
5077: struct target_rt_sigaction *rt_act;
5078: /* ??? arg4 == sizeof(sigset_t). */
5079: if (arg2) {
5080: if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
5081: goto efault;
5082: act._sa_handler = rt_act->_sa_handler;
5083: act.sa_mask = rt_act->sa_mask;
5084: act.sa_flags = rt_act->sa_flags;
5085: act.sa_restorer = arg5;
5086: unlock_user_struct(rt_act, arg2, 0);
5087: pact = &act;
5088: }
5089: ret = get_errno(do_sigaction(arg1, pact, &oact));
5090: if (!is_error(ret) && arg3) {
5091: if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
5092: goto efault;
5093: rt_act->_sa_handler = oact._sa_handler;
5094: rt_act->sa_mask = oact.sa_mask;
5095: rt_act->sa_flags = oact.sa_flags;
5096: unlock_user_struct(rt_act, arg3, 1);
5097: }
5098: #else
1.1.1.3 root 5099: struct target_sigaction *act;
5100: struct target_sigaction *oact;
5101:
1.1.1.6 root 5102: if (arg2) {
5103: if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
5104: goto efault;
5105: } else
1.1.1.3 root 5106: act = NULL;
1.1.1.6 root 5107: if (arg3) {
5108: if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
5109: ret = -TARGET_EFAULT;
5110: goto rt_sigaction_fail;
5111: }
5112: } else
1.1.1.3 root 5113: oact = NULL;
5114: ret = get_errno(do_sigaction(arg1, act, oact));
1.1.1.6 root 5115: rt_sigaction_fail:
5116: if (act)
1.1.1.3 root 5117: unlock_user_struct(act, arg2, 0);
1.1.1.6 root 5118: if (oact)
1.1.1.3 root 5119: unlock_user_struct(oact, arg3, 1);
1.1.1.10 root 5120: #endif
1.1.1.3 root 5121: }
1.1 root 5122: break;
1.1.1.6 root 5123: #ifdef TARGET_NR_sgetmask /* not on alpha */
1.1 root 5124: case TARGET_NR_sgetmask:
5125: {
5126: sigset_t cur_set;
1.1.1.6 root 5127: abi_ulong target_set;
1.1 root 5128: sigprocmask(0, NULL, &cur_set);
5129: host_to_target_old_sigset(&target_set, &cur_set);
5130: ret = target_set;
5131: }
5132: break;
1.1.1.6 root 5133: #endif
5134: #ifdef TARGET_NR_ssetmask /* not on alpha */
1.1 root 5135: case TARGET_NR_ssetmask:
5136: {
5137: sigset_t set, oset, cur_set;
1.1.1.6 root 5138: abi_ulong target_set = arg1;
1.1 root 5139: sigprocmask(0, NULL, &cur_set);
5140: target_to_host_old_sigset(&set, &target_set);
5141: sigorset(&set, &set, &cur_set);
5142: sigprocmask(SIG_SETMASK, &set, &oset);
5143: host_to_target_old_sigset(&target_set, &oset);
5144: ret = target_set;
5145: }
5146: break;
1.1.1.6 root 5147: #endif
5148: #ifdef TARGET_NR_sigprocmask
1.1 root 5149: case TARGET_NR_sigprocmask:
5150: {
1.1.1.10 root 5151: #if defined(TARGET_ALPHA)
5152: sigset_t set, oldset;
5153: abi_ulong mask;
5154: int how;
5155:
5156: switch (arg1) {
5157: case TARGET_SIG_BLOCK:
5158: how = SIG_BLOCK;
5159: break;
5160: case TARGET_SIG_UNBLOCK:
5161: how = SIG_UNBLOCK;
5162: break;
5163: case TARGET_SIG_SETMASK:
5164: how = SIG_SETMASK;
5165: break;
5166: default:
5167: ret = -TARGET_EINVAL;
5168: goto fail;
5169: }
5170: mask = arg2;
5171: target_to_host_old_sigset(&set, &mask);
5172:
5173: ret = get_errno(sigprocmask(how, &set, &oldset));
5174:
5175: if (!is_error(ret)) {
5176: host_to_target_old_sigset(&mask, &oldset);
5177: ret = mask;
5178: ((CPUAlphaState *)cpu_env)->[IR_V0] = 0; /* force no error */
5179: }
5180: #else
1.1 root 5181: sigset_t set, oldset, *set_ptr;
1.1.1.10 root 5182: int how;
1.1.1.6 root 5183:
1.1.1.3 root 5184: if (arg2) {
1.1.1.10 root 5185: switch (arg1) {
1.1 root 5186: case TARGET_SIG_BLOCK:
5187: how = SIG_BLOCK;
5188: break;
5189: case TARGET_SIG_UNBLOCK:
5190: how = SIG_UNBLOCK;
5191: break;
5192: case TARGET_SIG_SETMASK:
5193: how = SIG_SETMASK;
5194: break;
5195: default:
1.1.1.6 root 5196: ret = -TARGET_EINVAL;
1.1 root 5197: goto fail;
5198: }
1.1.1.6 root 5199: if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
5200: goto efault;
1.1.1.3 root 5201: target_to_host_old_sigset(&set, p);
5202: unlock_user(p, arg2, 0);
1.1 root 5203: set_ptr = &set;
5204: } else {
5205: how = 0;
5206: set_ptr = NULL;
5207: }
1.1.1.10 root 5208: ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1.1.1.3 root 5209: if (!is_error(ret) && arg3) {
1.1.1.6 root 5210: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
5211: goto efault;
1.1.1.3 root 5212: host_to_target_old_sigset(p, &oldset);
5213: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 5214: }
1.1.1.10 root 5215: #endif
1.1 root 5216: }
5217: break;
1.1.1.6 root 5218: #endif
1.1 root 5219: case TARGET_NR_rt_sigprocmask:
5220: {
5221: int how = arg1;
5222: sigset_t set, oldset, *set_ptr;
1.1.1.6 root 5223:
1.1.1.3 root 5224: if (arg2) {
1.1 root 5225: switch(how) {
5226: case TARGET_SIG_BLOCK:
5227: how = SIG_BLOCK;
5228: break;
5229: case TARGET_SIG_UNBLOCK:
5230: how = SIG_UNBLOCK;
5231: break;
5232: case TARGET_SIG_SETMASK:
5233: how = SIG_SETMASK;
5234: break;
5235: default:
1.1.1.6 root 5236: ret = -TARGET_EINVAL;
1.1 root 5237: goto fail;
5238: }
1.1.1.6 root 5239: if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
5240: goto efault;
1.1.1.3 root 5241: target_to_host_sigset(&set, p);
5242: unlock_user(p, arg2, 0);
1.1 root 5243: set_ptr = &set;
5244: } else {
5245: how = 0;
5246: set_ptr = NULL;
5247: }
5248: ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1.1.1.3 root 5249: if (!is_error(ret) && arg3) {
1.1.1.6 root 5250: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
5251: goto efault;
1.1.1.3 root 5252: host_to_target_sigset(p, &oldset);
5253: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 5254: }
5255: }
5256: break;
1.1.1.6 root 5257: #ifdef TARGET_NR_sigpending
1.1 root 5258: case TARGET_NR_sigpending:
5259: {
5260: sigset_t set;
5261: ret = get_errno(sigpending(&set));
5262: if (!is_error(ret)) {
1.1.1.6 root 5263: if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
5264: goto efault;
1.1.1.3 root 5265: host_to_target_old_sigset(p, &set);
5266: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 5267: }
5268: }
5269: break;
1.1.1.6 root 5270: #endif
1.1 root 5271: case TARGET_NR_rt_sigpending:
5272: {
5273: sigset_t set;
5274: ret = get_errno(sigpending(&set));
5275: if (!is_error(ret)) {
1.1.1.6 root 5276: if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
5277: goto efault;
1.1.1.3 root 5278: host_to_target_sigset(p, &set);
5279: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 5280: }
5281: }
5282: break;
1.1.1.6 root 5283: #ifdef TARGET_NR_sigsuspend
1.1 root 5284: case TARGET_NR_sigsuspend:
5285: {
5286: sigset_t set;
1.1.1.10 root 5287: #if defined(TARGET_ALPHA)
5288: abi_ulong mask = arg1;
5289: target_to_host_old_sigset(&set, &mask);
5290: #else
1.1.1.6 root 5291: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
5292: goto efault;
1.1.1.3 root 5293: target_to_host_old_sigset(&set, p);
5294: unlock_user(p, arg1, 0);
1.1.1.10 root 5295: #endif
1.1 root 5296: ret = get_errno(sigsuspend(&set));
5297: }
5298: break;
1.1.1.6 root 5299: #endif
1.1 root 5300: case TARGET_NR_rt_sigsuspend:
5301: {
5302: sigset_t set;
1.1.1.6 root 5303: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
5304: goto efault;
1.1.1.3 root 5305: target_to_host_sigset(&set, p);
5306: unlock_user(p, arg1, 0);
1.1 root 5307: ret = get_errno(sigsuspend(&set));
5308: }
5309: break;
5310: case TARGET_NR_rt_sigtimedwait:
5311: {
5312: sigset_t set;
5313: struct timespec uts, *puts;
5314: siginfo_t uinfo;
1.1.1.6 root 5315:
5316: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
5317: goto efault;
1.1.1.3 root 5318: target_to_host_sigset(&set, p);
5319: unlock_user(p, arg1, 0);
5320: if (arg3) {
1.1 root 5321: puts = &uts;
1.1.1.3 root 5322: target_to_host_timespec(puts, arg3);
1.1 root 5323: } else {
5324: puts = NULL;
5325: }
5326: ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1.1.1.3 root 5327: if (!is_error(ret) && arg2) {
1.1.1.7 root 5328: if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
1.1.1.6 root 5329: goto efault;
1.1.1.3 root 5330: host_to_target_siginfo(p, &uinfo);
1.1.1.7 root 5331: unlock_user(p, arg2, sizeof(target_siginfo_t));
1.1 root 5332: }
5333: }
5334: break;
5335: case TARGET_NR_rt_sigqueueinfo:
5336: {
5337: siginfo_t uinfo;
1.1.1.6 root 5338: if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
5339: goto efault;
1.1.1.3 root 5340: target_to_host_siginfo(&uinfo, p);
5341: unlock_user(p, arg1, 0);
1.1 root 5342: ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5343: }
5344: break;
1.1.1.6 root 5345: #ifdef TARGET_NR_sigreturn
1.1 root 5346: case TARGET_NR_sigreturn:
5347: /* NOTE: ret is eax, so not transcoding must be done */
5348: ret = do_sigreturn(cpu_env);
5349: break;
1.1.1.6 root 5350: #endif
1.1 root 5351: case TARGET_NR_rt_sigreturn:
5352: /* NOTE: ret is eax, so not transcoding must be done */
5353: ret = do_rt_sigreturn(cpu_env);
5354: break;
5355: case TARGET_NR_sethostname:
1.1.1.6 root 5356: if (!(p = lock_user_string(arg1)))
5357: goto efault;
1.1.1.3 root 5358: ret = get_errno(sethostname(p, arg2));
5359: unlock_user(p, arg1, 0);
1.1 root 5360: break;
5361: case TARGET_NR_setrlimit:
5362: {
5363: int resource = arg1;
1.1.1.3 root 5364: struct target_rlimit *target_rlim;
1.1 root 5365: struct rlimit rlim;
1.1.1.6 root 5366: if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5367: goto efault;
1.1.1.10 root 5368: rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
5369: rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
1.1.1.3 root 5370: unlock_user_struct(target_rlim, arg2, 0);
1.1 root 5371: ret = get_errno(setrlimit(resource, &rlim));
5372: }
5373: break;
5374: case TARGET_NR_getrlimit:
5375: {
5376: int resource = arg1;
1.1.1.3 root 5377: struct target_rlimit *target_rlim;
1.1 root 5378: struct rlimit rlim;
1.1.1.6 root 5379:
1.1 root 5380: ret = get_errno(getrlimit(resource, &rlim));
5381: if (!is_error(ret)) {
1.1.1.6 root 5382: if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5383: goto efault;
1.1.1.10 root 5384: target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
5385: target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
1.1.1.3 root 5386: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 5387: }
5388: }
5389: break;
5390: case TARGET_NR_getrusage:
5391: {
5392: struct rusage rusage;
5393: ret = get_errno(getrusage(arg1, &rusage));
5394: if (!is_error(ret)) {
1.1.1.3 root 5395: host_to_target_rusage(arg2, &rusage);
1.1 root 5396: }
5397: }
5398: break;
5399: case TARGET_NR_gettimeofday:
5400: {
5401: struct timeval tv;
5402: ret = get_errno(gettimeofday(&tv, NULL));
5403: if (!is_error(ret)) {
1.1.1.6 root 5404: if (copy_to_user_timeval(arg1, &tv))
5405: goto efault;
1.1 root 5406: }
5407: }
5408: break;
5409: case TARGET_NR_settimeofday:
5410: {
5411: struct timeval tv;
1.1.1.6 root 5412: if (copy_from_user_timeval(&tv, arg1))
5413: goto efault;
1.1 root 5414: ret = get_errno(settimeofday(&tv, NULL));
5415: }
5416: break;
1.1.1.2 root 5417: #ifdef TARGET_NR_select
1.1 root 5418: case TARGET_NR_select:
5419: {
1.1.1.3 root 5420: struct target_sel_arg_struct *sel;
1.1.1.6 root 5421: abi_ulong inp, outp, exp, tvp;
1.1.1.3 root 5422: long nsel;
5423:
1.1.1.6 root 5424: if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5425: goto efault;
1.1.1.3 root 5426: nsel = tswapl(sel->n);
5427: inp = tswapl(sel->inp);
5428: outp = tswapl(sel->outp);
5429: exp = tswapl(sel->exp);
5430: tvp = tswapl(sel->tvp);
5431: unlock_user_struct(sel, arg1, 0);
5432: ret = do_select(nsel, inp, outp, exp, tvp);
1.1 root 5433: }
5434: break;
1.1.1.2 root 5435: #endif
1.1.1.10 root 5436: #ifdef TARGET_NR_pselect6
5437: case TARGET_NR_pselect6:
5438: goto unimplemented_nowarn;
5439: #endif
1.1 root 5440: case TARGET_NR_symlink:
1.1.1.3 root 5441: {
5442: void *p2;
5443: p = lock_user_string(arg1);
5444: p2 = lock_user_string(arg2);
1.1.1.6 root 5445: if (!p || !p2)
5446: ret = -TARGET_EFAULT;
5447: else
5448: ret = get_errno(symlink(p, p2));
1.1.1.3 root 5449: unlock_user(p2, arg2, 0);
5450: unlock_user(p, arg1, 0);
5451: }
1.1 root 5452: break;
1.1.1.6 root 5453: #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5454: case TARGET_NR_symlinkat:
5455: {
5456: void *p2;
5457: p = lock_user_string(arg1);
5458: p2 = lock_user_string(arg3);
5459: if (!p || !p2)
5460: ret = -TARGET_EFAULT;
5461: else
5462: ret = get_errno(sys_symlinkat(p, arg2, p2));
5463: unlock_user(p2, arg3, 0);
5464: unlock_user(p, arg1, 0);
5465: }
5466: break;
5467: #endif
1.1 root 5468: #ifdef TARGET_NR_oldlstat
5469: case TARGET_NR_oldlstat:
5470: goto unimplemented;
5471: #endif
5472: case TARGET_NR_readlink:
1.1.1.3 root 5473: {
1.1.1.7 root 5474: void *p2, *temp;
1.1.1.3 root 5475: p = lock_user_string(arg1);
1.1.1.6 root 5476: p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5477: if (!p || !p2)
5478: ret = -TARGET_EFAULT;
1.1.1.7 root 5479: else {
5480: if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5481: char real[PATH_MAX];
5482: temp = realpath(exec_path,real);
5483: ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5484: snprintf((char *)p2, arg3, "%s", real);
5485: }
5486: else
5487: ret = get_errno(readlink(path(p), p2, arg3));
5488: }
1.1.1.3 root 5489: unlock_user(p2, arg2, ret);
5490: unlock_user(p, arg1, 0);
5491: }
1.1 root 5492: break;
1.1.1.6 root 5493: #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5494: case TARGET_NR_readlinkat:
5495: {
5496: void *p2;
5497: p = lock_user_string(arg2);
5498: p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5499: if (!p || !p2)
5500: ret = -TARGET_EFAULT;
5501: else
5502: ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
5503: unlock_user(p2, arg3, ret);
5504: unlock_user(p, arg2, 0);
5505: }
5506: break;
5507: #endif
5508: #ifdef TARGET_NR_uselib
1.1 root 5509: case TARGET_NR_uselib:
5510: goto unimplemented;
1.1.1.6 root 5511: #endif
5512: #ifdef TARGET_NR_swapon
1.1 root 5513: case TARGET_NR_swapon:
1.1.1.6 root 5514: if (!(p = lock_user_string(arg1)))
5515: goto efault;
1.1.1.3 root 5516: ret = get_errno(swapon(p, arg2));
5517: unlock_user(p, arg1, 0);
1.1 root 5518: break;
1.1.1.6 root 5519: #endif
1.1 root 5520: case TARGET_NR_reboot:
5521: goto unimplemented;
1.1.1.6 root 5522: #ifdef TARGET_NR_readdir
1.1 root 5523: case TARGET_NR_readdir:
5524: goto unimplemented;
1.1.1.6 root 5525: #endif
5526: #ifdef TARGET_NR_mmap
1.1 root 5527: case TARGET_NR_mmap:
1.1.1.8 root 5528: #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
1.1 root 5529: {
1.1.1.6 root 5530: abi_ulong *v;
5531: abi_ulong v1, v2, v3, v4, v5, v6;
5532: if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5533: goto efault;
1.1.1.3 root 5534: v1 = tswapl(v[0]);
5535: v2 = tswapl(v[1]);
5536: v3 = tswapl(v[2]);
5537: v4 = tswapl(v[3]);
5538: v5 = tswapl(v[4]);
5539: v6 = tswapl(v[5]);
5540: unlock_user(v, arg1, 0);
1.1.1.6 root 5541: ret = get_errno(target_mmap(v1, v2, v3,
1.1 root 5542: target_to_host_bitmask(v4, mmap_flags_tbl),
5543: v5, v6));
5544: }
5545: #else
1.1.1.6 root 5546: ret = get_errno(target_mmap(arg1, arg2, arg3,
5547: target_to_host_bitmask(arg4, mmap_flags_tbl),
1.1 root 5548: arg5,
5549: arg6));
5550: #endif
5551: break;
1.1.1.6 root 5552: #endif
1.1 root 5553: #ifdef TARGET_NR_mmap2
5554: case TARGET_NR_mmap2:
1.1.1.7 root 5555: #ifndef MMAP_SHIFT
1.1 root 5556: #define MMAP_SHIFT 12
5557: #endif
1.1.1.6 root 5558: ret = get_errno(target_mmap(arg1, arg2, arg3,
5559: target_to_host_bitmask(arg4, mmap_flags_tbl),
1.1 root 5560: arg5,
5561: arg6 << MMAP_SHIFT));
5562: break;
5563: #endif
5564: case TARGET_NR_munmap:
5565: ret = get_errno(target_munmap(arg1, arg2));
5566: break;
5567: case TARGET_NR_mprotect:
1.1.1.10 root 5568: {
5569: TaskState *ts = ((CPUState *)cpu_env)->opaque;
5570: /* Special hack to detect libc making the stack executable. */
5571: if ((arg3 & PROT_GROWSDOWN)
5572: && arg1 >= ts->info->stack_limit
5573: && arg1 <= ts->info->start_stack) {
5574: arg3 &= ~PROT_GROWSDOWN;
5575: arg2 = arg2 + arg1 - ts->info->stack_limit;
5576: arg1 = ts->info->stack_limit;
5577: }
5578: }
1.1 root 5579: ret = get_errno(target_mprotect(arg1, arg2, arg3));
5580: break;
1.1.1.6 root 5581: #ifdef TARGET_NR_mremap
1.1 root 5582: case TARGET_NR_mremap:
5583: ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
5584: break;
1.1.1.6 root 5585: #endif
1.1.1.3 root 5586: /* ??? msync/mlock/munlock are broken for softmmu. */
1.1.1.6 root 5587: #ifdef TARGET_NR_msync
1.1 root 5588: case TARGET_NR_msync:
1.1.1.3 root 5589: ret = get_errno(msync(g2h(arg1), arg2, arg3));
1.1 root 5590: break;
1.1.1.6 root 5591: #endif
5592: #ifdef TARGET_NR_mlock
1.1 root 5593: case TARGET_NR_mlock:
1.1.1.3 root 5594: ret = get_errno(mlock(g2h(arg1), arg2));
1.1 root 5595: break;
1.1.1.6 root 5596: #endif
5597: #ifdef TARGET_NR_munlock
1.1 root 5598: case TARGET_NR_munlock:
1.1.1.3 root 5599: ret = get_errno(munlock(g2h(arg1), arg2));
1.1 root 5600: break;
1.1.1.6 root 5601: #endif
5602: #ifdef TARGET_NR_mlockall
1.1 root 5603: case TARGET_NR_mlockall:
5604: ret = get_errno(mlockall(arg1));
5605: break;
1.1.1.6 root 5606: #endif
5607: #ifdef TARGET_NR_munlockall
1.1 root 5608: case TARGET_NR_munlockall:
5609: ret = get_errno(munlockall());
5610: break;
1.1.1.6 root 5611: #endif
1.1 root 5612: case TARGET_NR_truncate:
1.1.1.6 root 5613: if (!(p = lock_user_string(arg1)))
5614: goto efault;
1.1.1.3 root 5615: ret = get_errno(truncate(p, arg2));
5616: unlock_user(p, arg1, 0);
1.1 root 5617: break;
5618: case TARGET_NR_ftruncate:
5619: ret = get_errno(ftruncate(arg1, arg2));
5620: break;
5621: case TARGET_NR_fchmod:
5622: ret = get_errno(fchmod(arg1, arg2));
5623: break;
1.1.1.6 root 5624: #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5625: case TARGET_NR_fchmodat:
5626: if (!(p = lock_user_string(arg2)))
5627: goto efault;
1.1.1.8 root 5628: ret = get_errno(sys_fchmodat(arg1, p, arg3));
1.1.1.6 root 5629: unlock_user(p, arg2, 0);
5630: break;
5631: #endif
1.1 root 5632: case TARGET_NR_getpriority:
1.1.1.6 root 5633: /* libc does special remapping of the return value of
5634: * sys_getpriority() so it's just easiest to call
5635: * sys_getpriority() directly rather than through libc. */
1.1.1.9 root 5636: ret = get_errno(sys_getpriority(arg1, arg2));
1.1 root 5637: break;
5638: case TARGET_NR_setpriority:
5639: ret = get_errno(setpriority(arg1, arg2, arg3));
5640: break;
5641: #ifdef TARGET_NR_profil
5642: case TARGET_NR_profil:
5643: goto unimplemented;
5644: #endif
5645: case TARGET_NR_statfs:
1.1.1.6 root 5646: if (!(p = lock_user_string(arg1)))
5647: goto efault;
1.1.1.3 root 5648: ret = get_errno(statfs(path(p), &stfs));
5649: unlock_user(p, arg1, 0);
1.1 root 5650: convert_statfs:
5651: if (!is_error(ret)) {
1.1.1.3 root 5652: struct target_statfs *target_stfs;
1.1.1.6 root 5653:
5654: if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5655: goto efault;
5656: __put_user(stfs.f_type, &target_stfs->f_type);
5657: __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5658: __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5659: __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5660: __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5661: __put_user(stfs.f_files, &target_stfs->f_files);
5662: __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5663: __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5664: __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5665: __put_user(stfs.f_namelen, &target_stfs->f_namelen);
1.1.1.3 root 5666: unlock_user_struct(target_stfs, arg2, 1);
1.1 root 5667: }
5668: break;
5669: case TARGET_NR_fstatfs:
1.1.1.2 root 5670: ret = get_errno(fstatfs(arg1, &stfs));
1.1 root 5671: goto convert_statfs;
1.1.1.2 root 5672: #ifdef TARGET_NR_statfs64
5673: case TARGET_NR_statfs64:
1.1.1.6 root 5674: if (!(p = lock_user_string(arg1)))
5675: goto efault;
1.1.1.3 root 5676: ret = get_errno(statfs(path(p), &stfs));
5677: unlock_user(p, arg1, 0);
1.1.1.2 root 5678: convert_statfs64:
5679: if (!is_error(ret)) {
1.1.1.3 root 5680: struct target_statfs64 *target_stfs;
1.1.1.6 root 5681:
5682: if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5683: goto efault;
5684: __put_user(stfs.f_type, &target_stfs->f_type);
5685: __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5686: __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5687: __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5688: __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5689: __put_user(stfs.f_files, &target_stfs->f_files);
5690: __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5691: __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5692: __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5693: __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5694: unlock_user_struct(target_stfs, arg3, 1);
1.1.1.2 root 5695: }
5696: break;
5697: case TARGET_NR_fstatfs64:
5698: ret = get_errno(fstatfs(arg1, &stfs));
5699: goto convert_statfs64;
5700: #endif
1.1 root 5701: #ifdef TARGET_NR_ioperm
5702: case TARGET_NR_ioperm:
5703: goto unimplemented;
5704: #endif
1.1.1.6 root 5705: #ifdef TARGET_NR_socketcall
1.1 root 5706: case TARGET_NR_socketcall:
1.1.1.3 root 5707: ret = do_socketcall(arg1, arg2);
1.1 root 5708: break;
1.1.1.6 root 5709: #endif
1.1.1.4 root 5710: #ifdef TARGET_NR_accept
5711: case TARGET_NR_accept:
1.1.1.5 root 5712: ret = do_accept(arg1, arg2, arg3);
1.1.1.4 root 5713: break;
5714: #endif
5715: #ifdef TARGET_NR_bind
5716: case TARGET_NR_bind:
5717: ret = do_bind(arg1, arg2, arg3);
5718: break;
5719: #endif
5720: #ifdef TARGET_NR_connect
5721: case TARGET_NR_connect:
5722: ret = do_connect(arg1, arg2, arg3);
5723: break;
5724: #endif
5725: #ifdef TARGET_NR_getpeername
5726: case TARGET_NR_getpeername:
1.1.1.5 root 5727: ret = do_getpeername(arg1, arg2, arg3);
1.1.1.4 root 5728: break;
5729: #endif
5730: #ifdef TARGET_NR_getsockname
5731: case TARGET_NR_getsockname:
1.1.1.5 root 5732: ret = do_getsockname(arg1, arg2, arg3);
1.1.1.4 root 5733: break;
5734: #endif
5735: #ifdef TARGET_NR_getsockopt
5736: case TARGET_NR_getsockopt:
5737: ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5738: break;
5739: #endif
5740: #ifdef TARGET_NR_listen
5741: case TARGET_NR_listen:
1.1.1.5 root 5742: ret = get_errno(listen(arg1, arg2));
1.1.1.4 root 5743: break;
5744: #endif
5745: #ifdef TARGET_NR_recv
5746: case TARGET_NR_recv:
1.1.1.6 root 5747: ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
1.1.1.4 root 5748: break;
5749: #endif
5750: #ifdef TARGET_NR_recvfrom
5751: case TARGET_NR_recvfrom:
1.1.1.6 root 5752: ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
1.1.1.4 root 5753: break;
5754: #endif
5755: #ifdef TARGET_NR_recvmsg
5756: case TARGET_NR_recvmsg:
5757: ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5758: break;
5759: #endif
5760: #ifdef TARGET_NR_send
5761: case TARGET_NR_send:
1.1.1.5 root 5762: ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
1.1.1.4 root 5763: break;
5764: #endif
5765: #ifdef TARGET_NR_sendmsg
5766: case TARGET_NR_sendmsg:
5767: ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5768: break;
5769: #endif
5770: #ifdef TARGET_NR_sendto
5771: case TARGET_NR_sendto:
1.1.1.5 root 5772: ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
1.1.1.4 root 5773: break;
5774: #endif
5775: #ifdef TARGET_NR_shutdown
5776: case TARGET_NR_shutdown:
1.1.1.5 root 5777: ret = get_errno(shutdown(arg1, arg2));
1.1.1.4 root 5778: break;
5779: #endif
5780: #ifdef TARGET_NR_socket
5781: case TARGET_NR_socket:
5782: ret = do_socket(arg1, arg2, arg3);
5783: break;
5784: #endif
5785: #ifdef TARGET_NR_socketpair
5786: case TARGET_NR_socketpair:
1.1.1.5 root 5787: ret = do_socketpair(arg1, arg2, arg3, arg4);
1.1.1.4 root 5788: break;
5789: #endif
5790: #ifdef TARGET_NR_setsockopt
5791: case TARGET_NR_setsockopt:
5792: ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5793: break;
5794: #endif
1.1.1.6 root 5795:
1.1 root 5796: case TARGET_NR_syslog:
1.1.1.6 root 5797: if (!(p = lock_user_string(arg2)))
5798: goto efault;
5799: ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5800: unlock_user(p, arg2, 0);
5801: break;
5802:
1.1 root 5803: case TARGET_NR_setitimer:
5804: {
5805: struct itimerval value, ovalue, *pvalue;
5806:
1.1.1.3 root 5807: if (arg2) {
1.1 root 5808: pvalue = &value;
1.1.1.6 root 5809: if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5810: || copy_from_user_timeval(&pvalue->it_value,
5811: arg2 + sizeof(struct target_timeval)))
5812: goto efault;
1.1 root 5813: } else {
5814: pvalue = NULL;
5815: }
5816: ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1.1.1.3 root 5817: if (!is_error(ret) && arg3) {
1.1.1.6 root 5818: if (copy_to_user_timeval(arg3,
5819: &ovalue.it_interval)
5820: || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5821: &ovalue.it_value))
5822: goto efault;
1.1 root 5823: }
5824: }
5825: break;
5826: case TARGET_NR_getitimer:
5827: {
5828: struct itimerval value;
1.1.1.6 root 5829:
1.1 root 5830: ret = get_errno(getitimer(arg1, &value));
1.1.1.3 root 5831: if (!is_error(ret) && arg2) {
1.1.1.6 root 5832: if (copy_to_user_timeval(arg2,
5833: &value.it_interval)
5834: || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5835: &value.it_value))
5836: goto efault;
1.1 root 5837: }
5838: }
5839: break;
5840: case TARGET_NR_stat:
1.1.1.6 root 5841: if (!(p = lock_user_string(arg1)))
5842: goto efault;
1.1.1.3 root 5843: ret = get_errno(stat(path(p), &st));
5844: unlock_user(p, arg1, 0);
1.1 root 5845: goto do_stat;
5846: case TARGET_NR_lstat:
1.1.1.6 root 5847: if (!(p = lock_user_string(arg1)))
5848: goto efault;
1.1.1.3 root 5849: ret = get_errno(lstat(path(p), &st));
5850: unlock_user(p, arg1, 0);
1.1 root 5851: goto do_stat;
5852: case TARGET_NR_fstat:
5853: {
5854: ret = get_errno(fstat(arg1, &st));
5855: do_stat:
5856: if (!is_error(ret)) {
1.1.1.3 root 5857: struct target_stat *target_st;
1.1.1.6 root 5858:
5859: if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5860: goto efault;
1.1.1.9 root 5861: memset(target_st, 0, sizeof(*target_st));
1.1.1.6 root 5862: __put_user(st.st_dev, &target_st->st_dev);
5863: __put_user(st.st_ino, &target_st->st_ino);
5864: __put_user(st.st_mode, &target_st->st_mode);
5865: __put_user(st.st_uid, &target_st->st_uid);
5866: __put_user(st.st_gid, &target_st->st_gid);
5867: __put_user(st.st_nlink, &target_st->st_nlink);
5868: __put_user(st.st_rdev, &target_st->st_rdev);
5869: __put_user(st.st_size, &target_st->st_size);
5870: __put_user(st.st_blksize, &target_st->st_blksize);
5871: __put_user(st.st_blocks, &target_st->st_blocks);
5872: __put_user(st.st_atime, &target_st->target_st_atime);
5873: __put_user(st.st_mtime, &target_st->target_st_mtime);
5874: __put_user(st.st_ctime, &target_st->target_st_ctime);
1.1.1.3 root 5875: unlock_user_struct(target_st, arg2, 1);
1.1 root 5876: }
5877: }
5878: break;
5879: #ifdef TARGET_NR_olduname
5880: case TARGET_NR_olduname:
5881: goto unimplemented;
5882: #endif
5883: #ifdef TARGET_NR_iopl
5884: case TARGET_NR_iopl:
5885: goto unimplemented;
5886: #endif
5887: case TARGET_NR_vhangup:
5888: ret = get_errno(vhangup());
5889: break;
5890: #ifdef TARGET_NR_idle
5891: case TARGET_NR_idle:
5892: goto unimplemented;
5893: #endif
5894: #ifdef TARGET_NR_syscall
5895: case TARGET_NR_syscall:
5896: ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5897: break;
5898: #endif
5899: case TARGET_NR_wait4:
5900: {
5901: int status;
1.1.1.6 root 5902: abi_long status_ptr = arg2;
1.1 root 5903: struct rusage rusage, *rusage_ptr;
1.1.1.6 root 5904: abi_ulong target_rusage = arg4;
1.1 root 5905: if (target_rusage)
5906: rusage_ptr = &rusage;
5907: else
5908: rusage_ptr = NULL;
5909: ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5910: if (!is_error(ret)) {
1.1.1.6 root 5911: if (status_ptr) {
1.1.1.8 root 5912: status = host_to_target_waitstatus(status);
1.1.1.6 root 5913: if (put_user_s32(status, status_ptr))
5914: goto efault;
1.1 root 5915: }
1.1.1.6 root 5916: if (target_rusage)
5917: host_to_target_rusage(target_rusage, &rusage);
1.1 root 5918: }
5919: }
5920: break;
1.1.1.6 root 5921: #ifdef TARGET_NR_swapoff
1.1 root 5922: case TARGET_NR_swapoff:
1.1.1.6 root 5923: if (!(p = lock_user_string(arg1)))
5924: goto efault;
1.1.1.3 root 5925: ret = get_errno(swapoff(p));
5926: unlock_user(p, arg1, 0);
1.1 root 5927: break;
1.1.1.6 root 5928: #endif
1.1 root 5929: case TARGET_NR_sysinfo:
5930: {
1.1.1.3 root 5931: struct target_sysinfo *target_value;
1.1 root 5932: struct sysinfo value;
5933: ret = get_errno(sysinfo(&value));
1.1.1.3 root 5934: if (!is_error(ret) && arg1)
1.1 root 5935: {
1.1.1.6 root 5936: if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5937: goto efault;
1.1 root 5938: __put_user(value.uptime, &target_value->uptime);
5939: __put_user(value.loads[0], &target_value->loads[0]);
5940: __put_user(value.loads[1], &target_value->loads[1]);
5941: __put_user(value.loads[2], &target_value->loads[2]);
5942: __put_user(value.totalram, &target_value->totalram);
5943: __put_user(value.freeram, &target_value->freeram);
5944: __put_user(value.sharedram, &target_value->sharedram);
5945: __put_user(value.bufferram, &target_value->bufferram);
5946: __put_user(value.totalswap, &target_value->totalswap);
5947: __put_user(value.freeswap, &target_value->freeswap);
5948: __put_user(value.procs, &target_value->procs);
5949: __put_user(value.totalhigh, &target_value->totalhigh);
5950: __put_user(value.freehigh, &target_value->freehigh);
5951: __put_user(value.mem_unit, &target_value->mem_unit);
1.1.1.3 root 5952: unlock_user_struct(target_value, arg1, 1);
1.1 root 5953: }
5954: }
5955: break;
1.1.1.6 root 5956: #ifdef TARGET_NR_ipc
1.1 root 5957: case TARGET_NR_ipc:
5958: ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5959: break;
1.1.1.6 root 5960: #endif
1.1.1.8 root 5961: #ifdef TARGET_NR_semget
5962: case TARGET_NR_semget:
5963: ret = get_errno(semget(arg1, arg2, arg3));
5964: break;
5965: #endif
5966: #ifdef TARGET_NR_semop
5967: case TARGET_NR_semop:
5968: ret = get_errno(do_semop(arg1, arg2, arg3));
5969: break;
5970: #endif
5971: #ifdef TARGET_NR_semctl
5972: case TARGET_NR_semctl:
5973: ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5974: break;
5975: #endif
1.1.1.7 root 5976: #ifdef TARGET_NR_msgctl
5977: case TARGET_NR_msgctl:
5978: ret = do_msgctl(arg1, arg2, arg3);
5979: break;
5980: #endif
5981: #ifdef TARGET_NR_msgget
5982: case TARGET_NR_msgget:
5983: ret = get_errno(msgget(arg1, arg2));
5984: break;
5985: #endif
5986: #ifdef TARGET_NR_msgrcv
5987: case TARGET_NR_msgrcv:
5988: ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5989: break;
5990: #endif
5991: #ifdef TARGET_NR_msgsnd
5992: case TARGET_NR_msgsnd:
5993: ret = do_msgsnd(arg1, arg2, arg3, arg4);
5994: break;
5995: #endif
1.1.1.8 root 5996: #ifdef TARGET_NR_shmget
5997: case TARGET_NR_shmget:
5998: ret = get_errno(shmget(arg1, arg2, arg3));
5999: break;
6000: #endif
6001: #ifdef TARGET_NR_shmctl
6002: case TARGET_NR_shmctl:
6003: ret = do_shmctl(arg1, arg2, arg3);
6004: break;
6005: #endif
6006: #ifdef TARGET_NR_shmat
6007: case TARGET_NR_shmat:
6008: ret = do_shmat(arg1, arg2, arg3);
6009: break;
6010: #endif
6011: #ifdef TARGET_NR_shmdt
6012: case TARGET_NR_shmdt:
6013: ret = do_shmdt(arg1);
6014: break;
6015: #endif
1.1 root 6016: case TARGET_NR_fsync:
6017: ret = get_errno(fsync(arg1));
6018: break;
6019: case TARGET_NR_clone:
1.1.1.10 root 6020: #if defined(TARGET_SH4) || defined(TARGET_ALPHA)
1.1.1.7 root 6021: ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
6022: #elif defined(TARGET_CRIS)
6023: ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
6024: #else
6025: ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
6026: #endif
1.1 root 6027: break;
6028: #ifdef __NR_exit_group
6029: /* new thread calls */
6030: case TARGET_NR_exit_group:
1.1.1.9 root 6031: #ifdef TARGET_GPROF
1.1.1.7 root 6032: _mcleanup();
6033: #endif
1.1 root 6034: gdb_exit(cpu_env, arg1);
6035: ret = get_errno(exit_group(arg1));
6036: break;
6037: #endif
6038: case TARGET_NR_setdomainname:
1.1.1.6 root 6039: if (!(p = lock_user_string(arg1)))
6040: goto efault;
1.1.1.3 root 6041: ret = get_errno(setdomainname(p, arg2));
6042: unlock_user(p, arg1, 0);
1.1 root 6043: break;
6044: case TARGET_NR_uname:
6045: /* no need to transcode because we use the linux syscall */
6046: {
6047: struct new_utsname * buf;
1.1.1.6 root 6048:
6049: if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
6050: goto efault;
1.1 root 6051: ret = get_errno(sys_uname(buf));
6052: if (!is_error(ret)) {
6053: /* Overrite the native machine name with whatever is being
6054: emulated. */
1.1.1.10 root 6055: strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
1.1.1.4 root 6056: /* Allow the user to override the reported release. */
6057: if (qemu_uname_release && *qemu_uname_release)
6058: strcpy (buf->release, qemu_uname_release);
1.1 root 6059: }
1.1.1.3 root 6060: unlock_user_struct(buf, arg1, 1);
1.1 root 6061: }
6062: break;
6063: #ifdef TARGET_I386
6064: case TARGET_NR_modify_ldt:
1.1.1.6 root 6065: ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
1.1 root 6066: break;
1.1.1.6 root 6067: #if !defined(TARGET_X86_64)
1.1 root 6068: case TARGET_NR_vm86old:
6069: goto unimplemented;
6070: case TARGET_NR_vm86:
1.1.1.3 root 6071: ret = do_vm86(cpu_env, arg1, arg2);
1.1 root 6072: break;
6073: #endif
1.1.1.6 root 6074: #endif
1.1 root 6075: case TARGET_NR_adjtimex:
6076: goto unimplemented;
1.1.1.6 root 6077: #ifdef TARGET_NR_create_module
1.1 root 6078: case TARGET_NR_create_module:
1.1.1.6 root 6079: #endif
1.1 root 6080: case TARGET_NR_init_module:
6081: case TARGET_NR_delete_module:
1.1.1.6 root 6082: #ifdef TARGET_NR_get_kernel_syms
1.1 root 6083: case TARGET_NR_get_kernel_syms:
1.1.1.6 root 6084: #endif
1.1 root 6085: goto unimplemented;
6086: case TARGET_NR_quotactl:
6087: goto unimplemented;
6088: case TARGET_NR_getpgid:
6089: ret = get_errno(getpgid(arg1));
6090: break;
6091: case TARGET_NR_fchdir:
6092: ret = get_errno(fchdir(arg1));
6093: break;
1.1.1.6 root 6094: #ifdef TARGET_NR_bdflush /* not on x86_64 */
1.1 root 6095: case TARGET_NR_bdflush:
6096: goto unimplemented;
1.1.1.6 root 6097: #endif
6098: #ifdef TARGET_NR_sysfs
1.1 root 6099: case TARGET_NR_sysfs:
6100: goto unimplemented;
1.1.1.6 root 6101: #endif
1.1 root 6102: case TARGET_NR_personality:
6103: ret = get_errno(personality(arg1));
6104: break;
1.1.1.6 root 6105: #ifdef TARGET_NR_afs_syscall
1.1 root 6106: case TARGET_NR_afs_syscall:
6107: goto unimplemented;
1.1.1.6 root 6108: #endif
6109: #ifdef TARGET_NR__llseek /* Not on alpha */
1.1 root 6110: case TARGET_NR__llseek:
6111: {
1.1.1.10 root 6112: #if !defined(__NR_llseek)
1.1 root 6113: ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
1.1.1.6 root 6114: if (put_user_s64(ret, arg4))
6115: goto efault;
1.1 root 6116: #else
6117: int64_t res;
6118: ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1.1.1.6 root 6119: if (put_user_s64(res, arg4))
6120: goto efault;
1.1 root 6121: #endif
6122: }
6123: break;
1.1.1.6 root 6124: #endif
1.1 root 6125: case TARGET_NR_getdents:
1.1.1.9 root 6126: #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
1.1 root 6127: {
1.1.1.3 root 6128: struct target_dirent *target_dirp;
1.1.1.7 root 6129: struct linux_dirent *dirp;
1.1.1.6 root 6130: abi_long count = arg3;
1.1 root 6131:
6132: dirp = malloc(count);
1.1.1.6 root 6133: if (!dirp) {
6134: ret = -TARGET_ENOMEM;
6135: goto fail;
6136: }
6137:
1.1 root 6138: ret = get_errno(sys_getdents(arg1, dirp, count));
6139: if (!is_error(ret)) {
1.1.1.7 root 6140: struct linux_dirent *de;
1.1 root 6141: struct target_dirent *tde;
6142: int len = ret;
6143: int reclen, treclen;
6144: int count1, tnamelen;
6145:
6146: count1 = 0;
6147: de = dirp;
1.1.1.6 root 6148: if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6149: goto efault;
1.1 root 6150: tde = target_dirp;
6151: while (len > 0) {
6152: reclen = de->d_reclen;
1.1.1.6 root 6153: treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
1.1 root 6154: tde->d_reclen = tswap16(treclen);
6155: tde->d_ino = tswapl(de->d_ino);
6156: tde->d_off = tswapl(de->d_off);
1.1.1.6 root 6157: tnamelen = treclen - (2 * sizeof(abi_long) + 2);
1.1 root 6158: if (tnamelen > 256)
6159: tnamelen = 256;
6160: /* XXX: may not be correct */
1.1.1.7 root 6161: pstrcpy(tde->d_name, tnamelen, de->d_name);
6162: de = (struct linux_dirent *)((char *)de + reclen);
1.1 root 6163: len -= reclen;
1.1.1.6 root 6164: tde = (struct target_dirent *)((char *)tde + treclen);
1.1 root 6165: count1 += treclen;
6166: }
6167: ret = count1;
1.1.1.6 root 6168: unlock_user(target_dirp, arg2, ret);
1.1 root 6169: }
6170: free(dirp);
6171: }
6172: #else
6173: {
1.1.1.7 root 6174: struct linux_dirent *dirp;
1.1.1.6 root 6175: abi_long count = arg3;
1.1 root 6176:
1.1.1.6 root 6177: if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6178: goto efault;
1.1 root 6179: ret = get_errno(sys_getdents(arg1, dirp, count));
6180: if (!is_error(ret)) {
1.1.1.7 root 6181: struct linux_dirent *de;
1.1 root 6182: int len = ret;
6183: int reclen;
6184: de = dirp;
6185: while (len > 0) {
6186: reclen = de->d_reclen;
6187: if (reclen > len)
6188: break;
6189: de->d_reclen = tswap16(reclen);
6190: tswapls(&de->d_ino);
6191: tswapls(&de->d_off);
1.1.1.7 root 6192: de = (struct linux_dirent *)((char *)de + reclen);
1.1 root 6193: len -= reclen;
6194: }
6195: }
1.1.1.3 root 6196: unlock_user(dirp, arg2, ret);
1.1 root 6197: }
6198: #endif
6199: break;
1.1.1.6 root 6200: #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
1.1 root 6201: case TARGET_NR_getdents64:
6202: {
1.1.1.7 root 6203: struct linux_dirent64 *dirp;
1.1.1.6 root 6204: abi_long count = arg3;
6205: if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6206: goto efault;
1.1 root 6207: ret = get_errno(sys_getdents64(arg1, dirp, count));
6208: if (!is_error(ret)) {
1.1.1.7 root 6209: struct linux_dirent64 *de;
1.1 root 6210: int len = ret;
6211: int reclen;
6212: de = dirp;
6213: while (len > 0) {
6214: reclen = de->d_reclen;
6215: if (reclen > len)
6216: break;
6217: de->d_reclen = tswap16(reclen);
1.1.1.6 root 6218: tswap64s((uint64_t *)&de->d_ino);
6219: tswap64s((uint64_t *)&de->d_off);
1.1.1.7 root 6220: de = (struct linux_dirent64 *)((char *)de + reclen);
1.1 root 6221: len -= reclen;
6222: }
6223: }
1.1.1.3 root 6224: unlock_user(dirp, arg2, ret);
1.1 root 6225: }
6226: break;
6227: #endif /* TARGET_NR_getdents64 */
1.1.1.6 root 6228: #ifdef TARGET_NR__newselect
1.1 root 6229: case TARGET_NR__newselect:
1.1.1.3 root 6230: ret = do_select(arg1, arg2, arg3, arg4, arg5);
1.1 root 6231: break;
1.1.1.6 root 6232: #endif
6233: #ifdef TARGET_NR_poll
1.1 root 6234: case TARGET_NR_poll:
6235: {
1.1.1.3 root 6236: struct target_pollfd *target_pfd;
1.1 root 6237: unsigned int nfds = arg2;
6238: int timeout = arg3;
6239: struct pollfd *pfd;
6240: unsigned int i;
6241:
1.1.1.6 root 6242: target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
6243: if (!target_pfd)
6244: goto efault;
1.1 root 6245: pfd = alloca(sizeof(struct pollfd) * nfds);
6246: for(i = 0; i < nfds; i++) {
6247: pfd[i].fd = tswap32(target_pfd[i].fd);
6248: pfd[i].events = tswap16(target_pfd[i].events);
6249: }
6250: ret = get_errno(poll(pfd, nfds, timeout));
6251: if (!is_error(ret)) {
6252: for(i = 0; i < nfds; i++) {
6253: target_pfd[i].revents = tswap16(pfd[i].revents);
6254: }
1.1.1.3 root 6255: ret += nfds * (sizeof(struct target_pollfd)
6256: - sizeof(struct pollfd));
1.1 root 6257: }
1.1.1.3 root 6258: unlock_user(target_pfd, arg1, ret);
1.1 root 6259: }
6260: break;
1.1.1.6 root 6261: #endif
1.1 root 6262: case TARGET_NR_flock:
6263: /* NOTE: the flock constant seems to be the same for every
6264: Linux platform */
6265: ret = get_errno(flock(arg1, arg2));
6266: break;
6267: case TARGET_NR_readv:
6268: {
6269: int count = arg3;
6270: struct iovec *vec;
6271:
6272: vec = alloca(count * sizeof(struct iovec));
1.1.1.7 root 6273: if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
6274: goto efault;
1.1 root 6275: ret = get_errno(readv(arg1, vec, count));
1.1.1.3 root 6276: unlock_iovec(vec, arg2, count, 1);
1.1 root 6277: }
6278: break;
6279: case TARGET_NR_writev:
6280: {
6281: int count = arg3;
6282: struct iovec *vec;
6283:
6284: vec = alloca(count * sizeof(struct iovec));
1.1.1.7 root 6285: if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6286: goto efault;
1.1 root 6287: ret = get_errno(writev(arg1, vec, count));
1.1.1.3 root 6288: unlock_iovec(vec, arg2, count, 0);
1.1 root 6289: }
6290: break;
6291: case TARGET_NR_getsid:
6292: ret = get_errno(getsid(arg1));
6293: break;
1.1.1.6 root 6294: #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
1.1 root 6295: case TARGET_NR_fdatasync:
6296: ret = get_errno(fdatasync(arg1));
6297: break;
1.1.1.6 root 6298: #endif
1.1 root 6299: case TARGET_NR__sysctl:
1.1.1.6 root 6300: /* We don't implement this, but ENOTDIR is always a safe
1.1 root 6301: return value. */
1.1.1.6 root 6302: ret = -TARGET_ENOTDIR;
6303: break;
1.1 root 6304: case TARGET_NR_sched_setparam:
6305: {
1.1.1.3 root 6306: struct sched_param *target_schp;
1.1 root 6307: struct sched_param schp;
1.1.1.3 root 6308:
1.1.1.6 root 6309: if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
6310: goto efault;
1.1 root 6311: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 6312: unlock_user_struct(target_schp, arg2, 0);
1.1 root 6313: ret = get_errno(sched_setparam(arg1, &schp));
6314: }
6315: break;
6316: case TARGET_NR_sched_getparam:
6317: {
1.1.1.3 root 6318: struct sched_param *target_schp;
1.1 root 6319: struct sched_param schp;
6320: ret = get_errno(sched_getparam(arg1, &schp));
6321: if (!is_error(ret)) {
1.1.1.6 root 6322: if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
6323: goto efault;
1.1 root 6324: target_schp->sched_priority = tswap32(schp.sched_priority);
1.1.1.3 root 6325: unlock_user_struct(target_schp, arg2, 1);
1.1 root 6326: }
6327: }
6328: break;
6329: case TARGET_NR_sched_setscheduler:
6330: {
1.1.1.3 root 6331: struct sched_param *target_schp;
1.1 root 6332: struct sched_param schp;
1.1.1.6 root 6333: if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
6334: goto efault;
1.1 root 6335: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 6336: unlock_user_struct(target_schp, arg3, 0);
1.1 root 6337: ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
6338: }
6339: break;
6340: case TARGET_NR_sched_getscheduler:
6341: ret = get_errno(sched_getscheduler(arg1));
6342: break;
6343: case TARGET_NR_sched_yield:
6344: ret = get_errno(sched_yield());
6345: break;
6346: case TARGET_NR_sched_get_priority_max:
6347: ret = get_errno(sched_get_priority_max(arg1));
6348: break;
6349: case TARGET_NR_sched_get_priority_min:
6350: ret = get_errno(sched_get_priority_min(arg1));
6351: break;
6352: case TARGET_NR_sched_rr_get_interval:
6353: {
6354: struct timespec ts;
6355: ret = get_errno(sched_rr_get_interval(arg1, &ts));
6356: if (!is_error(ret)) {
1.1.1.3 root 6357: host_to_target_timespec(arg2, &ts);
1.1 root 6358: }
6359: }
6360: break;
6361: case TARGET_NR_nanosleep:
6362: {
6363: struct timespec req, rem;
1.1.1.3 root 6364: target_to_host_timespec(&req, arg1);
1.1 root 6365: ret = get_errno(nanosleep(&req, &rem));
1.1.1.3 root 6366: if (is_error(ret) && arg2) {
6367: host_to_target_timespec(arg2, &rem);
1.1 root 6368: }
6369: }
6370: break;
1.1.1.6 root 6371: #ifdef TARGET_NR_query_module
1.1 root 6372: case TARGET_NR_query_module:
6373: goto unimplemented;
1.1.1.6 root 6374: #endif
6375: #ifdef TARGET_NR_nfsservctl
1.1 root 6376: case TARGET_NR_nfsservctl:
6377: goto unimplemented;
1.1.1.6 root 6378: #endif
1.1 root 6379: case TARGET_NR_prctl:
1.1.1.6 root 6380: switch (arg1)
6381: {
6382: case PR_GET_PDEATHSIG:
6383: {
6384: int deathsig;
6385: ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
6386: if (!is_error(ret) && arg2
6387: && put_user_ual(deathsig, arg2))
6388: goto efault;
6389: }
6390: break;
6391: default:
6392: ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6393: break;
6394: }
6395: break;
6396: #ifdef TARGET_NR_arch_prctl
6397: case TARGET_NR_arch_prctl:
6398: #if defined(TARGET_I386) && !defined(TARGET_ABI32)
6399: ret = do_arch_prctl(cpu_env, arg1, arg2);
6400: break;
6401: #else
1.1 root 6402: goto unimplemented;
1.1.1.6 root 6403: #endif
6404: #endif
1.1 root 6405: #ifdef TARGET_NR_pread
6406: case TARGET_NR_pread:
1.1.1.7 root 6407: #ifdef TARGET_ARM
6408: if (((CPUARMState *)cpu_env)->eabi)
6409: arg4 = arg5;
6410: #endif
1.1.1.6 root 6411: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6412: goto efault;
1.1.1.3 root 6413: ret = get_errno(pread(arg1, p, arg3, arg4));
6414: unlock_user(p, arg2, ret);
1.1 root 6415: break;
6416: case TARGET_NR_pwrite:
1.1.1.7 root 6417: #ifdef TARGET_ARM
6418: if (((CPUARMState *)cpu_env)->eabi)
6419: arg4 = arg5;
6420: #endif
1.1.1.6 root 6421: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6422: goto efault;
1.1.1.3 root 6423: ret = get_errno(pwrite(arg1, p, arg3, arg4));
6424: unlock_user(p, arg2, 0);
1.1 root 6425: break;
6426: #endif
1.1.1.7 root 6427: #ifdef TARGET_NR_pread64
6428: case TARGET_NR_pread64:
6429: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6430: goto efault;
6431: ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6432: unlock_user(p, arg2, ret);
6433: break;
6434: case TARGET_NR_pwrite64:
6435: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6436: goto efault;
6437: ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6438: unlock_user(p, arg2, 0);
6439: break;
6440: #endif
1.1 root 6441: case TARGET_NR_getcwd:
1.1.1.6 root 6442: if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6443: goto efault;
1.1.1.3 root 6444: ret = get_errno(sys_getcwd1(p, arg2));
6445: unlock_user(p, arg1, ret);
1.1 root 6446: break;
6447: case TARGET_NR_capget:
6448: goto unimplemented;
6449: case TARGET_NR_capset:
6450: goto unimplemented;
6451: case TARGET_NR_sigaltstack:
1.1.1.6 root 6452: #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
1.1.1.9 root 6453: defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
6454: defined(TARGET_M68K)
1.1.1.6 root 6455: ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
6456: break;
6457: #else
1.1 root 6458: goto unimplemented;
1.1.1.6 root 6459: #endif
1.1 root 6460: case TARGET_NR_sendfile:
6461: goto unimplemented;
6462: #ifdef TARGET_NR_getpmsg
6463: case TARGET_NR_getpmsg:
6464: goto unimplemented;
6465: #endif
6466: #ifdef TARGET_NR_putpmsg
6467: case TARGET_NR_putpmsg:
6468: goto unimplemented;
6469: #endif
1.1.1.2 root 6470: #ifdef TARGET_NR_vfork
1.1 root 6471: case TARGET_NR_vfork:
1.1.1.7 root 6472: ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6473: 0, 0, 0, 0));
1.1 root 6474: break;
1.1.1.2 root 6475: #endif
1.1 root 6476: #ifdef TARGET_NR_ugetrlimit
6477: case TARGET_NR_ugetrlimit:
6478: {
6479: struct rlimit rlim;
6480: ret = get_errno(getrlimit(arg1, &rlim));
6481: if (!is_error(ret)) {
1.1.1.3 root 6482: struct target_rlimit *target_rlim;
1.1.1.6 root 6483: if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6484: goto efault;
1.1.1.10 root 6485: target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6486: target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
1.1.1.3 root 6487: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 6488: }
6489: break;
6490: }
6491: #endif
6492: #ifdef TARGET_NR_truncate64
6493: case TARGET_NR_truncate64:
1.1.1.6 root 6494: if (!(p = lock_user_string(arg1)))
6495: goto efault;
1.1.1.3 root 6496: ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6497: unlock_user(p, arg1, 0);
1.1 root 6498: break;
6499: #endif
6500: #ifdef TARGET_NR_ftruncate64
6501: case TARGET_NR_ftruncate64:
1.1.1.3 root 6502: ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
1.1 root 6503: break;
6504: #endif
6505: #ifdef TARGET_NR_stat64
6506: case TARGET_NR_stat64:
1.1.1.6 root 6507: if (!(p = lock_user_string(arg1)))
6508: goto efault;
1.1.1.3 root 6509: ret = get_errno(stat(path(p), &st));
6510: unlock_user(p, arg1, 0);
1.1.1.7 root 6511: if (!is_error(ret))
6512: ret = host_to_target_stat64(cpu_env, arg2, &st);
6513: break;
1.1 root 6514: #endif
6515: #ifdef TARGET_NR_lstat64
6516: case TARGET_NR_lstat64:
1.1.1.6 root 6517: if (!(p = lock_user_string(arg1)))
6518: goto efault;
1.1.1.3 root 6519: ret = get_errno(lstat(path(p), &st));
6520: unlock_user(p, arg1, 0);
1.1.1.7 root 6521: if (!is_error(ret))
6522: ret = host_to_target_stat64(cpu_env, arg2, &st);
6523: break;
1.1 root 6524: #endif
6525: #ifdef TARGET_NR_fstat64
6526: case TARGET_NR_fstat64:
1.1.1.7 root 6527: ret = get_errno(fstat(arg1, &st));
6528: if (!is_error(ret))
6529: ret = host_to_target_stat64(cpu_env, arg2, &st);
6530: break;
1.1 root 6531: #endif
1.1.1.8 root 6532: #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6533: (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6534: #ifdef TARGET_NR_fstatat64
1.1.1.7 root 6535: case TARGET_NR_fstatat64:
1.1.1.8 root 6536: #endif
6537: #ifdef TARGET_NR_newfstatat
6538: case TARGET_NR_newfstatat:
6539: #endif
1.1.1.7 root 6540: if (!(p = lock_user_string(arg2)))
6541: goto efault;
1.1.1.8 root 6542: #ifdef __NR_fstatat64
1.1.1.7 root 6543: ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
1.1.1.8 root 6544: #else
6545: ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6546: #endif
1.1.1.7 root 6547: if (!is_error(ret))
6548: ret = host_to_target_stat64(cpu_env, arg3, &st);
1.1 root 6549: break;
6550: #endif
6551: #ifdef USE_UID16
6552: case TARGET_NR_lchown:
1.1.1.6 root 6553: if (!(p = lock_user_string(arg1)))
6554: goto efault;
1.1.1.3 root 6555: ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6556: unlock_user(p, arg1, 0);
1.1 root 6557: break;
6558: case TARGET_NR_getuid:
6559: ret = get_errno(high2lowuid(getuid()));
6560: break;
6561: case TARGET_NR_getgid:
6562: ret = get_errno(high2lowgid(getgid()));
6563: break;
6564: case TARGET_NR_geteuid:
6565: ret = get_errno(high2lowuid(geteuid()));
6566: break;
6567: case TARGET_NR_getegid:
6568: ret = get_errno(high2lowgid(getegid()));
6569: break;
6570: case TARGET_NR_setreuid:
6571: ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6572: break;
6573: case TARGET_NR_setregid:
6574: ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6575: break;
6576: case TARGET_NR_getgroups:
6577: {
6578: int gidsetsize = arg1;
1.1.1.3 root 6579: uint16_t *target_grouplist;
1.1 root 6580: gid_t *grouplist;
6581: int i;
6582:
6583: grouplist = alloca(gidsetsize * sizeof(gid_t));
6584: ret = get_errno(getgroups(gidsetsize, grouplist));
1.1.1.7 root 6585: if (gidsetsize == 0)
6586: break;
1.1 root 6587: if (!is_error(ret)) {
1.1.1.6 root 6588: target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6589: if (!target_grouplist)
6590: goto efault;
1.1.1.7 root 6591: for(i = 0;i < ret; i++)
1.1 root 6592: target_grouplist[i] = tswap16(grouplist[i]);
1.1.1.3 root 6593: unlock_user(target_grouplist, arg2, gidsetsize * 2);
1.1 root 6594: }
6595: }
6596: break;
6597: case TARGET_NR_setgroups:
6598: {
6599: int gidsetsize = arg1;
1.1.1.3 root 6600: uint16_t *target_grouplist;
1.1 root 6601: gid_t *grouplist;
6602: int i;
6603:
6604: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.6 root 6605: target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6606: if (!target_grouplist) {
6607: ret = -TARGET_EFAULT;
6608: goto fail;
6609: }
1.1 root 6610: for(i = 0;i < gidsetsize; i++)
6611: grouplist[i] = tswap16(target_grouplist[i]);
1.1.1.3 root 6612: unlock_user(target_grouplist, arg2, 0);
1.1 root 6613: ret = get_errno(setgroups(gidsetsize, grouplist));
6614: }
6615: break;
6616: case TARGET_NR_fchown:
6617: ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6618: break;
1.1.1.6 root 6619: #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6620: case TARGET_NR_fchownat:
6621: if (!(p = lock_user_string(arg2)))
6622: goto efault;
6623: ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6624: unlock_user(p, arg2, 0);
6625: break;
6626: #endif
1.1 root 6627: #ifdef TARGET_NR_setresuid
6628: case TARGET_NR_setresuid:
1.1.1.6 root 6629: ret = get_errno(setresuid(low2highuid(arg1),
6630: low2highuid(arg2),
1.1 root 6631: low2highuid(arg3)));
6632: break;
6633: #endif
6634: #ifdef TARGET_NR_getresuid
6635: case TARGET_NR_getresuid:
6636: {
1.1.1.3 root 6637: uid_t ruid, euid, suid;
1.1 root 6638: ret = get_errno(getresuid(&ruid, &euid, &suid));
6639: if (!is_error(ret)) {
1.1.1.6 root 6640: if (put_user_u16(high2lowuid(ruid), arg1)
6641: || put_user_u16(high2lowuid(euid), arg2)
6642: || put_user_u16(high2lowuid(suid), arg3))
6643: goto efault;
1.1 root 6644: }
6645: }
6646: break;
6647: #endif
6648: #ifdef TARGET_NR_getresgid
6649: case TARGET_NR_setresgid:
1.1.1.6 root 6650: ret = get_errno(setresgid(low2highgid(arg1),
6651: low2highgid(arg2),
1.1 root 6652: low2highgid(arg3)));
6653: break;
6654: #endif
6655: #ifdef TARGET_NR_getresgid
6656: case TARGET_NR_getresgid:
6657: {
1.1.1.3 root 6658: gid_t rgid, egid, sgid;
1.1 root 6659: ret = get_errno(getresgid(&rgid, &egid, &sgid));
6660: if (!is_error(ret)) {
1.1.1.6 root 6661: if (put_user_u16(high2lowgid(rgid), arg1)
6662: || put_user_u16(high2lowgid(egid), arg2)
6663: || put_user_u16(high2lowgid(sgid), arg3))
6664: goto efault;
1.1 root 6665: }
6666: }
6667: break;
6668: #endif
6669: case TARGET_NR_chown:
1.1.1.6 root 6670: if (!(p = lock_user_string(arg1)))
6671: goto efault;
1.1.1.3 root 6672: ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6673: unlock_user(p, arg1, 0);
1.1 root 6674: break;
6675: case TARGET_NR_setuid:
6676: ret = get_errno(setuid(low2highuid(arg1)));
6677: break;
6678: case TARGET_NR_setgid:
6679: ret = get_errno(setgid(low2highgid(arg1)));
6680: break;
6681: case TARGET_NR_setfsuid:
6682: ret = get_errno(setfsuid(arg1));
6683: break;
6684: case TARGET_NR_setfsgid:
6685: ret = get_errno(setfsgid(arg1));
6686: break;
6687: #endif /* USE_UID16 */
6688:
6689: #ifdef TARGET_NR_lchown32
6690: case TARGET_NR_lchown32:
1.1.1.6 root 6691: if (!(p = lock_user_string(arg1)))
6692: goto efault;
1.1.1.3 root 6693: ret = get_errno(lchown(p, arg2, arg3));
6694: unlock_user(p, arg1, 0);
1.1 root 6695: break;
6696: #endif
6697: #ifdef TARGET_NR_getuid32
6698: case TARGET_NR_getuid32:
6699: ret = get_errno(getuid());
6700: break;
6701: #endif
1.1.1.7 root 6702:
6703: #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6704: /* Alpha specific */
6705: case TARGET_NR_getxuid:
1.1.1.10 root 6706: {
6707: uid_t euid;
6708: euid=geteuid();
6709: ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6710: }
1.1.1.7 root 6711: ret = get_errno(getuid());
6712: break;
6713: #endif
6714: #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6715: /* Alpha specific */
6716: case TARGET_NR_getxgid:
1.1.1.10 root 6717: {
6718: uid_t egid;
6719: egid=getegid();
6720: ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6721: }
1.1.1.7 root 6722: ret = get_errno(getgid());
6723: break;
6724: #endif
1.1.1.10 root 6725: #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
6726: /* Alpha specific */
6727: case TARGET_NR_osf_getsysinfo:
6728: ret = -TARGET_EOPNOTSUPP;
6729: switch (arg1) {
6730: case TARGET_GSI_IEEE_FP_CONTROL:
6731: {
6732: uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
6733:
6734: /* Copied from linux ieee_fpcr_to_swcr. */
6735: swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
6736: swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
6737: swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
6738: | SWCR_TRAP_ENABLE_DZE
6739: | SWCR_TRAP_ENABLE_OVF);
6740: swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
6741: | SWCR_TRAP_ENABLE_INE);
6742: swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
6743: swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
6744:
6745: if (put_user_u64 (swcr, arg2))
6746: goto efault;
6747: ret = 0;
6748: }
6749: break;
6750:
6751: /* case GSI_IEEE_STATE_AT_SIGNAL:
6752: -- Not implemented in linux kernel.
6753: case GSI_UACPROC:
6754: -- Retrieves current unaligned access state; not much used.
6755: case GSI_PROC_TYPE:
6756: -- Retrieves implver information; surely not used.
6757: case GSI_GET_HWRPB:
6758: -- Grabs a copy of the HWRPB; surely not used.
6759: */
6760: }
6761: break;
6762: #endif
6763: #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
6764: /* Alpha specific */
6765: case TARGET_NR_osf_setsysinfo:
6766: ret = -TARGET_EOPNOTSUPP;
6767: switch (arg1) {
6768: case TARGET_SSI_IEEE_FP_CONTROL:
6769: case TARGET_SSI_IEEE_RAISE_EXCEPTION:
6770: {
6771: uint64_t swcr, fpcr, orig_fpcr;
6772:
6773: if (get_user_u64 (swcr, arg2))
6774: goto efault;
6775: orig_fpcr = cpu_alpha_load_fpcr (cpu_env);
6776: fpcr = orig_fpcr & FPCR_DYN_MASK;
6777:
6778: /* Copied from linux ieee_swcr_to_fpcr. */
6779: fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
6780: fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
6781: fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
6782: | SWCR_TRAP_ENABLE_DZE
6783: | SWCR_TRAP_ENABLE_OVF)) << 48;
6784: fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
6785: | SWCR_TRAP_ENABLE_INE)) << 57;
6786: fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
6787: fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
6788:
6789: cpu_alpha_store_fpcr (cpu_env, fpcr);
6790: ret = 0;
6791:
6792: if (arg1 == TARGET_SSI_IEEE_RAISE_EXCEPTION) {
6793: /* Old exceptions are not signaled. */
6794: fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
6795:
6796: /* If any exceptions set by this call, and are unmasked,
6797: send a signal. */
6798: /* ??? FIXME */
6799: }
6800: }
6801: break;
6802:
6803: /* case SSI_NVPAIRS:
6804: -- Used with SSIN_UACPROC to enable unaligned accesses.
6805: case SSI_IEEE_STATE_AT_SIGNAL:
6806: case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
6807: -- Not implemented in linux kernel
6808: */
6809: }
6810: break;
6811: #endif
6812: #ifdef TARGET_NR_osf_sigprocmask
6813: /* Alpha specific. */
6814: case TARGET_NR_osf_sigprocmask:
6815: {
6816: abi_ulong mask;
6817: int how = arg1;
6818: sigset_t set, oldset;
6819:
6820: switch(arg1) {
6821: case TARGET_SIG_BLOCK:
6822: how = SIG_BLOCK;
6823: break;
6824: case TARGET_SIG_UNBLOCK:
6825: how = SIG_UNBLOCK;
6826: break;
6827: case TARGET_SIG_SETMASK:
6828: how = SIG_SETMASK;
6829: break;
6830: default:
6831: ret = -TARGET_EINVAL;
6832: goto fail;
6833: }
6834: mask = arg2;
6835: target_to_host_old_sigset(&set, &mask);
6836: sigprocmask(arg1, &set, &oldset);
6837: host_to_target_old_sigset(&mask, &oldset);
6838: ret = mask;
6839: }
6840: break;
6841: #endif
1.1.1.7 root 6842:
1.1 root 6843: #ifdef TARGET_NR_getgid32
6844: case TARGET_NR_getgid32:
6845: ret = get_errno(getgid());
6846: break;
6847: #endif
6848: #ifdef TARGET_NR_geteuid32
6849: case TARGET_NR_geteuid32:
6850: ret = get_errno(geteuid());
6851: break;
6852: #endif
6853: #ifdef TARGET_NR_getegid32
6854: case TARGET_NR_getegid32:
6855: ret = get_errno(getegid());
6856: break;
6857: #endif
6858: #ifdef TARGET_NR_setreuid32
6859: case TARGET_NR_setreuid32:
6860: ret = get_errno(setreuid(arg1, arg2));
6861: break;
6862: #endif
6863: #ifdef TARGET_NR_setregid32
6864: case TARGET_NR_setregid32:
6865: ret = get_errno(setregid(arg1, arg2));
6866: break;
6867: #endif
6868: #ifdef TARGET_NR_getgroups32
6869: case TARGET_NR_getgroups32:
6870: {
6871: int gidsetsize = arg1;
1.1.1.3 root 6872: uint32_t *target_grouplist;
1.1 root 6873: gid_t *grouplist;
6874: int i;
6875:
6876: grouplist = alloca(gidsetsize * sizeof(gid_t));
6877: ret = get_errno(getgroups(gidsetsize, grouplist));
1.1.1.7 root 6878: if (gidsetsize == 0)
6879: break;
1.1 root 6880: if (!is_error(ret)) {
1.1.1.6 root 6881: target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6882: if (!target_grouplist) {
6883: ret = -TARGET_EFAULT;
6884: goto fail;
6885: }
1.1.1.7 root 6886: for(i = 0;i < ret; i++)
1.1.1.3 root 6887: target_grouplist[i] = tswap32(grouplist[i]);
6888: unlock_user(target_grouplist, arg2, gidsetsize * 4);
1.1 root 6889: }
6890: }
6891: break;
6892: #endif
6893: #ifdef TARGET_NR_setgroups32
6894: case TARGET_NR_setgroups32:
6895: {
6896: int gidsetsize = arg1;
1.1.1.3 root 6897: uint32_t *target_grouplist;
1.1 root 6898: gid_t *grouplist;
6899: int i;
1.1.1.6 root 6900:
1.1 root 6901: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.6 root 6902: target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6903: if (!target_grouplist) {
6904: ret = -TARGET_EFAULT;
6905: goto fail;
6906: }
1.1 root 6907: for(i = 0;i < gidsetsize; i++)
1.1.1.3 root 6908: grouplist[i] = tswap32(target_grouplist[i]);
6909: unlock_user(target_grouplist, arg2, 0);
1.1 root 6910: ret = get_errno(setgroups(gidsetsize, grouplist));
6911: }
6912: break;
6913: #endif
6914: #ifdef TARGET_NR_fchown32
6915: case TARGET_NR_fchown32:
6916: ret = get_errno(fchown(arg1, arg2, arg3));
6917: break;
6918: #endif
6919: #ifdef TARGET_NR_setresuid32
6920: case TARGET_NR_setresuid32:
6921: ret = get_errno(setresuid(arg1, arg2, arg3));
6922: break;
6923: #endif
6924: #ifdef TARGET_NR_getresuid32
6925: case TARGET_NR_getresuid32:
6926: {
1.1.1.3 root 6927: uid_t ruid, euid, suid;
1.1 root 6928: ret = get_errno(getresuid(&ruid, &euid, &suid));
6929: if (!is_error(ret)) {
1.1.1.6 root 6930: if (put_user_u32(ruid, arg1)
6931: || put_user_u32(euid, arg2)
6932: || put_user_u32(suid, arg3))
6933: goto efault;
1.1 root 6934: }
6935: }
6936: break;
6937: #endif
6938: #ifdef TARGET_NR_setresgid32
6939: case TARGET_NR_setresgid32:
6940: ret = get_errno(setresgid(arg1, arg2, arg3));
6941: break;
6942: #endif
6943: #ifdef TARGET_NR_getresgid32
6944: case TARGET_NR_getresgid32:
6945: {
1.1.1.3 root 6946: gid_t rgid, egid, sgid;
1.1 root 6947: ret = get_errno(getresgid(&rgid, &egid, &sgid));
6948: if (!is_error(ret)) {
1.1.1.6 root 6949: if (put_user_u32(rgid, arg1)
6950: || put_user_u32(egid, arg2)
6951: || put_user_u32(sgid, arg3))
6952: goto efault;
1.1 root 6953: }
6954: }
6955: break;
6956: #endif
6957: #ifdef TARGET_NR_chown32
6958: case TARGET_NR_chown32:
1.1.1.6 root 6959: if (!(p = lock_user_string(arg1)))
6960: goto efault;
1.1.1.3 root 6961: ret = get_errno(chown(p, arg2, arg3));
6962: unlock_user(p, arg1, 0);
1.1 root 6963: break;
6964: #endif
6965: #ifdef TARGET_NR_setuid32
6966: case TARGET_NR_setuid32:
6967: ret = get_errno(setuid(arg1));
6968: break;
6969: #endif
6970: #ifdef TARGET_NR_setgid32
6971: case TARGET_NR_setgid32:
6972: ret = get_errno(setgid(arg1));
6973: break;
6974: #endif
6975: #ifdef TARGET_NR_setfsuid32
6976: case TARGET_NR_setfsuid32:
6977: ret = get_errno(setfsuid(arg1));
6978: break;
6979: #endif
6980: #ifdef TARGET_NR_setfsgid32
6981: case TARGET_NR_setfsgid32:
6982: ret = get_errno(setfsgid(arg1));
6983: break;
6984: #endif
6985:
6986: case TARGET_NR_pivot_root:
6987: goto unimplemented;
6988: #ifdef TARGET_NR_mincore
6989: case TARGET_NR_mincore:
1.1.1.7 root 6990: {
6991: void *a;
6992: ret = -TARGET_EFAULT;
6993: if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6994: goto efault;
6995: if (!(p = lock_user_string(arg3)))
6996: goto mincore_fail;
6997: ret = get_errno(mincore(a, arg2, p));
6998: unlock_user(p, arg3, ret);
6999: mincore_fail:
7000: unlock_user(a, arg1, 0);
7001: }
7002: break;
7003: #endif
7004: #ifdef TARGET_NR_arm_fadvise64_64
7005: case TARGET_NR_arm_fadvise64_64:
7006: {
7007: /*
7008: * arm_fadvise64_64 looks like fadvise64_64 but
7009: * with different argument order
7010: */
7011: abi_long temp;
7012: temp = arg3;
7013: arg3 = arg4;
7014: arg4 = temp;
7015: }
7016: #endif
1.1.1.9 root 7017: #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
1.1.1.7 root 7018: #ifdef TARGET_NR_fadvise64_64
7019: case TARGET_NR_fadvise64_64:
7020: #endif
1.1.1.9 root 7021: #ifdef TARGET_NR_fadvise64
7022: case TARGET_NR_fadvise64:
7023: #endif
7024: #ifdef TARGET_S390X
7025: switch (arg4) {
7026: case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
7027: case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
7028: case 6: arg4 = POSIX_FADV_DONTNEED; break;
7029: case 7: arg4 = POSIX_FADV_NOREUSE; break;
7030: default: break;
7031: }
7032: #endif
7033: ret = -posix_fadvise(arg1, arg2, arg3, arg4);
1.1.1.7 root 7034: break;
1.1 root 7035: #endif
7036: #ifdef TARGET_NR_madvise
7037: case TARGET_NR_madvise:
1.1.1.3 root 7038: /* A straight passthrough may not be safe because qemu sometimes
7039: turns private flie-backed mappings into anonymous mappings.
7040: This will break MADV_DONTNEED.
7041: This is a hint, so ignoring and returning success is ok. */
7042: ret = get_errno(0);
7043: break;
1.1 root 7044: #endif
1.1.1.6 root 7045: #if TARGET_ABI_BITS == 32
1.1 root 7046: case TARGET_NR_fcntl64:
7047: {
1.1.1.6 root 7048: int cmd;
1.1 root 7049: struct flock64 fl;
1.1.1.3 root 7050: struct target_flock64 *target_fl;
7051: #ifdef TARGET_ARM
7052: struct target_eabi_flock64 *target_efl;
7053: #endif
1.1 root 7054:
1.1.1.8 root 7055: cmd = target_to_host_fcntl_cmd(arg2);
7056: if (cmd == -TARGET_EINVAL)
7057: return cmd;
1.1.1.6 root 7058:
1.1 root 7059: switch(arg2) {
1.1.1.6 root 7060: case TARGET_F_GETLK64:
7061: #ifdef TARGET_ARM
7062: if (((CPUARMState *)cpu_env)->eabi) {
7063: if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
7064: goto efault;
7065: fl.l_type = tswap16(target_efl->l_type);
7066: fl.l_whence = tswap16(target_efl->l_whence);
7067: fl.l_start = tswap64(target_efl->l_start);
7068: fl.l_len = tswap64(target_efl->l_len);
1.1.1.9 root 7069: fl.l_pid = tswap32(target_efl->l_pid);
1.1.1.6 root 7070: unlock_user_struct(target_efl, arg3, 0);
7071: } else
7072: #endif
7073: {
7074: if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
7075: goto efault;
7076: fl.l_type = tswap16(target_fl->l_type);
7077: fl.l_whence = tswap16(target_fl->l_whence);
7078: fl.l_start = tswap64(target_fl->l_start);
7079: fl.l_len = tswap64(target_fl->l_len);
1.1.1.9 root 7080: fl.l_pid = tswap32(target_fl->l_pid);
1.1.1.6 root 7081: unlock_user_struct(target_fl, arg3, 0);
7082: }
7083: ret = get_errno(fcntl(arg1, cmd, &fl));
1.1 root 7084: if (ret == 0) {
1.1.1.3 root 7085: #ifdef TARGET_ARM
7086: if (((CPUARMState *)cpu_env)->eabi) {
1.1.1.6 root 7087: if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
7088: goto efault;
1.1.1.3 root 7089: target_efl->l_type = tswap16(fl.l_type);
7090: target_efl->l_whence = tswap16(fl.l_whence);
7091: target_efl->l_start = tswap64(fl.l_start);
7092: target_efl->l_len = tswap64(fl.l_len);
1.1.1.9 root 7093: target_efl->l_pid = tswap32(fl.l_pid);
1.1.1.3 root 7094: unlock_user_struct(target_efl, arg3, 1);
7095: } else
7096: #endif
7097: {
1.1.1.6 root 7098: if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
7099: goto efault;
1.1.1.3 root 7100: target_fl->l_type = tswap16(fl.l_type);
7101: target_fl->l_whence = tswap16(fl.l_whence);
7102: target_fl->l_start = tswap64(fl.l_start);
7103: target_fl->l_len = tswap64(fl.l_len);
1.1.1.9 root 7104: target_fl->l_pid = tswap32(fl.l_pid);
1.1.1.3 root 7105: unlock_user_struct(target_fl, arg3, 1);
7106: }
1.1 root 7107: }
7108: break;
7109:
1.1.1.6 root 7110: case TARGET_F_SETLK64:
7111: case TARGET_F_SETLKW64:
1.1.1.3 root 7112: #ifdef TARGET_ARM
7113: if (((CPUARMState *)cpu_env)->eabi) {
1.1.1.6 root 7114: if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
7115: goto efault;
1.1.1.3 root 7116: fl.l_type = tswap16(target_efl->l_type);
7117: fl.l_whence = tswap16(target_efl->l_whence);
7118: fl.l_start = tswap64(target_efl->l_start);
7119: fl.l_len = tswap64(target_efl->l_len);
1.1.1.9 root 7120: fl.l_pid = tswap32(target_efl->l_pid);
1.1.1.3 root 7121: unlock_user_struct(target_efl, arg3, 0);
7122: } else
7123: #endif
7124: {
1.1.1.6 root 7125: if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
7126: goto efault;
1.1.1.3 root 7127: fl.l_type = tswap16(target_fl->l_type);
7128: fl.l_whence = tswap16(target_fl->l_whence);
7129: fl.l_start = tswap64(target_fl->l_start);
7130: fl.l_len = tswap64(target_fl->l_len);
1.1.1.9 root 7131: fl.l_pid = tswap32(target_fl->l_pid);
1.1.1.3 root 7132: unlock_user_struct(target_fl, arg3, 0);
7133: }
1.1.1.6 root 7134: ret = get_errno(fcntl(arg1, cmd, &fl));
1.1 root 7135: break;
7136: default:
1.1.1.8 root 7137: ret = do_fcntl(arg1, arg2, arg3);
1.1 root 7138: break;
7139: }
7140: break;
7141: }
7142: #endif
1.1.1.5 root 7143: #ifdef TARGET_NR_cacheflush
7144: case TARGET_NR_cacheflush:
7145: /* self-modifying code is handled automatically, so nothing needed */
7146: ret = 0;
7147: break;
7148: #endif
1.1 root 7149: #ifdef TARGET_NR_security
7150: case TARGET_NR_security:
7151: goto unimplemented;
7152: #endif
7153: #ifdef TARGET_NR_getpagesize
7154: case TARGET_NR_getpagesize:
7155: ret = TARGET_PAGE_SIZE;
7156: break;
7157: #endif
7158: case TARGET_NR_gettid:
7159: ret = get_errno(gettid());
7160: break;
1.1.1.6 root 7161: #ifdef TARGET_NR_readahead
1.1 root 7162: case TARGET_NR_readahead:
1.1.1.7 root 7163: #if TARGET_ABI_BITS == 32
7164: #ifdef TARGET_ARM
7165: if (((CPUARMState *)cpu_env)->eabi)
7166: {
7167: arg2 = arg3;
7168: arg3 = arg4;
7169: arg4 = arg5;
7170: }
7171: #endif
7172: ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
7173: #else
7174: ret = get_errno(readahead(arg1, arg2, arg3));
7175: #endif
7176: break;
1.1.1.6 root 7177: #endif
1.1 root 7178: #ifdef TARGET_NR_setxattr
7179: case TARGET_NR_setxattr:
7180: case TARGET_NR_lsetxattr:
7181: case TARGET_NR_fsetxattr:
7182: case TARGET_NR_getxattr:
7183: case TARGET_NR_lgetxattr:
7184: case TARGET_NR_fgetxattr:
7185: case TARGET_NR_listxattr:
7186: case TARGET_NR_llistxattr:
7187: case TARGET_NR_flistxattr:
7188: case TARGET_NR_removexattr:
7189: case TARGET_NR_lremovexattr:
7190: case TARGET_NR_fremovexattr:
1.1.1.8 root 7191: ret = -TARGET_EOPNOTSUPP;
7192: break;
1.1 root 7193: #endif
7194: #ifdef TARGET_NR_set_thread_area
7195: case TARGET_NR_set_thread_area:
1.1.1.6 root 7196: #if defined(TARGET_MIPS)
7197: ((CPUMIPSState *) cpu_env)->tls_value = arg1;
7198: ret = 0;
7199: break;
1.1.1.7 root 7200: #elif defined(TARGET_CRIS)
7201: if (arg1 & 0xff)
7202: ret = -TARGET_EINVAL;
7203: else {
7204: ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
7205: ret = 0;
7206: }
7207: break;
1.1.1.6 root 7208: #elif defined(TARGET_I386) && defined(TARGET_ABI32)
7209: ret = do_set_thread_area(cpu_env, arg1);
7210: break;
7211: #else
7212: goto unimplemented_nowarn;
7213: #endif
7214: #endif
7215: #ifdef TARGET_NR_get_thread_area
1.1 root 7216: case TARGET_NR_get_thread_area:
1.1.1.6 root 7217: #if defined(TARGET_I386) && defined(TARGET_ABI32)
7218: ret = do_get_thread_area(cpu_env, arg1);
7219: #else
1.1 root 7220: goto unimplemented_nowarn;
7221: #endif
1.1.1.6 root 7222: #endif
1.1.1.4 root 7223: #ifdef TARGET_NR_getdomainname
7224: case TARGET_NR_getdomainname:
7225: goto unimplemented_nowarn;
7226: #endif
1.1.1.6 root 7227:
7228: #ifdef TARGET_NR_clock_gettime
7229: case TARGET_NR_clock_gettime:
7230: {
7231: struct timespec ts;
7232: ret = get_errno(clock_gettime(arg1, &ts));
7233: if (!is_error(ret)) {
7234: host_to_target_timespec(arg2, &ts);
7235: }
7236: break;
7237: }
7238: #endif
7239: #ifdef TARGET_NR_clock_getres
7240: case TARGET_NR_clock_getres:
7241: {
7242: struct timespec ts;
7243: ret = get_errno(clock_getres(arg1, &ts));
7244: if (!is_error(ret)) {
7245: host_to_target_timespec(arg2, &ts);
7246: }
7247: break;
7248: }
7249: #endif
1.1.1.7 root 7250: #ifdef TARGET_NR_clock_nanosleep
7251: case TARGET_NR_clock_nanosleep:
7252: {
7253: struct timespec ts;
7254: target_to_host_timespec(&ts, arg3);
7255: ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
7256: if (arg4)
7257: host_to_target_timespec(arg4, &ts);
7258: break;
7259: }
7260: #endif
1.1.1.6 root 7261:
7262: #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
7263: case TARGET_NR_set_tid_address:
7264: ret = get_errno(set_tid_address((int *)g2h(arg1)));
7265: break;
7266: #endif
7267:
7268: #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
7269: case TARGET_NR_tkill:
1.1.1.7 root 7270: ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
1.1.1.6 root 7271: break;
7272: #endif
7273:
7274: #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
7275: case TARGET_NR_tgkill:
1.1.1.7 root 7276: ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
7277: target_to_host_signal(arg3)));
1.1.1.6 root 7278: break;
7279: #endif
7280:
7281: #ifdef TARGET_NR_set_robust_list
7282: case TARGET_NR_set_robust_list:
7283: goto unimplemented_nowarn;
7284: #endif
7285:
7286: #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
7287: case TARGET_NR_utimensat:
7288: {
1.1.1.8 root 7289: struct timespec *tsp, ts[2];
7290: if (!arg3) {
7291: tsp = NULL;
7292: } else {
7293: target_to_host_timespec(ts, arg3);
7294: target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
7295: tsp = ts;
7296: }
1.1.1.6 root 7297: if (!arg2)
1.1.1.8 root 7298: ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
1.1.1.6 root 7299: else {
7300: if (!(p = lock_user_string(arg2))) {
7301: ret = -TARGET_EFAULT;
7302: goto fail;
7303: }
1.1.1.8 root 7304: ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
1.1.1.6 root 7305: unlock_user(p, arg2, 0);
7306: }
7307: }
7308: break;
7309: #endif
1.1.1.9 root 7310: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 7311: case TARGET_NR_futex:
7312: ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
7313: break;
7314: #endif
1.1.1.8 root 7315: #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
1.1.1.7 root 7316: case TARGET_NR_inotify_init:
7317: ret = get_errno(sys_inotify_init());
7318: break;
7319: #endif
1.1.1.10 root 7320: #ifdef CONFIG_INOTIFY1
7321: #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
7322: case TARGET_NR_inotify_init1:
7323: ret = get_errno(sys_inotify_init1(arg1));
7324: break;
7325: #endif
7326: #endif
1.1.1.8 root 7327: #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
1.1.1.7 root 7328: case TARGET_NR_inotify_add_watch:
7329: p = lock_user_string(arg2);
7330: ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
7331: unlock_user(p, arg2, 0);
7332: break;
7333: #endif
1.1.1.8 root 7334: #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
1.1.1.7 root 7335: case TARGET_NR_inotify_rm_watch:
7336: ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
7337: break;
7338: #endif
1.1.1.6 root 7339:
1.1.1.9 root 7340: #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1.1.1.8 root 7341: case TARGET_NR_mq_open:
7342: {
7343: struct mq_attr posix_mq_attr;
7344:
7345: p = lock_user_string(arg1 - 1);
7346: if (arg4 != 0)
7347: copy_from_user_mq_attr (&posix_mq_attr, arg4);
7348: ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
7349: unlock_user (p, arg1, 0);
7350: }
7351: break;
7352:
7353: case TARGET_NR_mq_unlink:
7354: p = lock_user_string(arg1 - 1);
7355: ret = get_errno(mq_unlink(p));
7356: unlock_user (p, arg1, 0);
7357: break;
7358:
7359: case TARGET_NR_mq_timedsend:
7360: {
7361: struct timespec ts;
7362:
7363: p = lock_user (VERIFY_READ, arg2, arg3, 1);
7364: if (arg5 != 0) {
7365: target_to_host_timespec(&ts, arg5);
7366: ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
7367: host_to_target_timespec(arg5, &ts);
7368: }
7369: else
7370: ret = get_errno(mq_send(arg1, p, arg3, arg4));
7371: unlock_user (p, arg2, arg3);
7372: }
7373: break;
7374:
7375: case TARGET_NR_mq_timedreceive:
7376: {
7377: struct timespec ts;
7378: unsigned int prio;
7379:
7380: p = lock_user (VERIFY_READ, arg2, arg3, 1);
7381: if (arg5 != 0) {
7382: target_to_host_timespec(&ts, arg5);
7383: ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
7384: host_to_target_timespec(arg5, &ts);
7385: }
7386: else
7387: ret = get_errno(mq_receive(arg1, p, arg3, &prio));
7388: unlock_user (p, arg2, arg3);
7389: if (arg4 != 0)
7390: put_user_u32(prio, arg4);
7391: }
7392: break;
7393:
7394: /* Not implemented for now... */
7395: /* case TARGET_NR_mq_notify: */
7396: /* break; */
7397:
7398: case TARGET_NR_mq_getsetattr:
7399: {
7400: struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
7401: ret = 0;
7402: if (arg3 != 0) {
7403: ret = mq_getattr(arg1, &posix_mq_attr_out);
7404: copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
7405: }
7406: if (arg2 != 0) {
7407: copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
7408: ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
7409: }
7410:
7411: }
7412: break;
7413: #endif
7414:
7415: #ifdef CONFIG_SPLICE
7416: #ifdef TARGET_NR_tee
7417: case TARGET_NR_tee:
7418: {
7419: ret = get_errno(tee(arg1,arg2,arg3,arg4));
7420: }
7421: break;
7422: #endif
7423: #ifdef TARGET_NR_splice
7424: case TARGET_NR_splice:
7425: {
7426: loff_t loff_in, loff_out;
7427: loff_t *ploff_in = NULL, *ploff_out = NULL;
7428: if(arg2) {
7429: get_user_u64(loff_in, arg2);
7430: ploff_in = &loff_in;
7431: }
7432: if(arg4) {
7433: get_user_u64(loff_out, arg2);
7434: ploff_out = &loff_out;
7435: }
7436: ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
7437: }
7438: break;
7439: #endif
7440: #ifdef TARGET_NR_vmsplice
7441: case TARGET_NR_vmsplice:
7442: {
7443: int count = arg3;
7444: struct iovec *vec;
7445:
7446: vec = alloca(count * sizeof(struct iovec));
7447: if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
7448: goto efault;
7449: ret = get_errno(vmsplice(arg1, vec, count, arg4));
7450: unlock_iovec(vec, arg2, count, 0);
7451: }
7452: break;
7453: #endif
7454: #endif /* CONFIG_SPLICE */
1.1.1.9 root 7455: #ifdef CONFIG_EVENTFD
7456: #if defined(TARGET_NR_eventfd)
7457: case TARGET_NR_eventfd:
7458: ret = get_errno(eventfd(arg1, 0));
7459: break;
7460: #endif
7461: #if defined(TARGET_NR_eventfd2)
7462: case TARGET_NR_eventfd2:
7463: ret = get_errno(eventfd(arg1, arg2));
7464: break;
7465: #endif
7466: #endif /* CONFIG_EVENTFD */
7467: #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
7468: case TARGET_NR_fallocate:
7469: ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
7470: break;
7471: #endif
1.1.1.11! root 7472: #if defined(CONFIG_SYNC_FILE_RANGE)
! 7473: #if defined(TARGET_NR_sync_file_range)
! 7474: case TARGET_NR_sync_file_range:
! 7475: #if TARGET_ABI_BITS == 32
! 7476: ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
! 7477: target_offset64(arg4, arg5), arg6));
! 7478: #else
! 7479: ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
! 7480: #endif
! 7481: break;
! 7482: #endif
! 7483: #if defined(TARGET_NR_sync_file_range2)
! 7484: case TARGET_NR_sync_file_range2:
! 7485: /* This is like sync_file_range but the arguments are reordered */
! 7486: #if TARGET_ABI_BITS == 32
! 7487: ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
! 7488: target_offset64(arg5, arg6), arg2));
! 7489: #else
! 7490: ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
! 7491: #endif
! 7492: break;
! 7493: #endif
! 7494: #endif
1.1 root 7495: default:
7496: unimplemented:
7497: gemu_log("qemu: Unsupported syscall: %d\n", num);
1.1.1.6 root 7498: #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
1.1 root 7499: unimplemented_nowarn:
7500: #endif
1.1.1.6 root 7501: ret = -TARGET_ENOSYS;
1.1 root 7502: break;
7503: }
1.1.1.6 root 7504: fail:
1.1 root 7505: #ifdef DEBUG
1.1.1.8 root 7506: gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
1.1 root 7507: #endif
1.1.1.6 root 7508: if(do_strace)
7509: print_syscall_ret(num, ret);
1.1 root 7510: return ret;
1.1.1.6 root 7511: efault:
7512: ret = -TARGET_EFAULT;
7513: goto fail;
1.1 root 7514: }
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.