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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>
1.1.1.12! root 62: #include <linux/wireless.h>
1.1.1.7 root 63: #include <qemu-common.h>
1.1.1.9 root 64: #ifdef TARGET_GPROF
1.1.1.7 root 65: #include <sys/gmon.h>
66: #endif
1.1.1.9 root 67: #ifdef CONFIG_EVENTFD
68: #include <sys/eventfd.h>
69: #endif
1.1.1.12! root 70: #ifdef CONFIG_EPOLL
! 71: #include <sys/epoll.h>
! 72: #endif
1.1 root 73:
74: #define termios host_termios
75: #define winsize host_winsize
76: #define termio host_termio
77: #define sgttyb host_sgttyb /* same as target */
78: #define tchars host_tchars /* same as target */
79: #define ltchars host_ltchars /* same as target */
80:
81: #include <linux/termios.h>
82: #include <linux/unistd.h>
83: #include <linux/utsname.h>
84: #include <linux/cdrom.h>
85: #include <linux/hdreg.h>
86: #include <linux/soundcard.h>
87: #include <linux/kd.h>
1.1.1.7 root 88: #include <linux/mtio.h>
1.1.1.8 root 89: #include <linux/fs.h>
1.1.1.11 root 90: #if defined(CONFIG_FIEMAP)
91: #include <linux/fiemap.h>
92: #endif
1.1.1.9 root 93: #include <linux/fb.h>
94: #include <linux/vt.h>
1.1.1.7 root 95: #include "linux_loop.h"
1.1.1.10 root 96: #include "cpu-uname.h"
1.1 root 97:
98: #include "qemu.h"
1.1.1.7 root 99: #include "qemu-common.h"
100:
1.1.1.9 root 101: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 102: #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
103: CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
104: #else
105: /* XXX: Hardcode the above values. */
106: #define CLONE_NPTL_FLAGS2 0
107: #endif
1.1 root 108:
109: //#define DEBUG
110:
111: //#include <linux/msdos_fs.h>
1.1.1.7 root 112: #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
113: #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1.1 root 114:
115:
116: #undef _syscall0
117: #undef _syscall1
118: #undef _syscall2
119: #undef _syscall3
120: #undef _syscall4
121: #undef _syscall5
1.1.1.4 root 122: #undef _syscall6
1.1 root 123:
1.1.1.4 root 124: #define _syscall0(type,name) \
1.1.1.7 root 125: static type name (void) \
1.1.1.4 root 126: { \
127: return syscall(__NR_##name); \
128: }
129:
130: #define _syscall1(type,name,type1,arg1) \
1.1.1.7 root 131: static type name (type1 arg1) \
1.1.1.4 root 132: { \
133: return syscall(__NR_##name, arg1); \
134: }
135:
136: #define _syscall2(type,name,type1,arg1,type2,arg2) \
1.1.1.7 root 137: static type name (type1 arg1,type2 arg2) \
1.1.1.4 root 138: { \
139: return syscall(__NR_##name, arg1, arg2); \
140: }
141:
142: #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
1.1.1.7 root 143: static type name (type1 arg1,type2 arg2,type3 arg3) \
1.1.1.4 root 144: { \
145: return syscall(__NR_##name, arg1, arg2, arg3); \
146: }
147:
148: #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
1.1.1.7 root 149: static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
1.1.1.4 root 150: { \
151: return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
1.1 root 152: }
1.1.1.4 root 153:
154: #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
155: type5,arg5) \
1.1.1.7 root 156: static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
1.1.1.4 root 157: { \
158: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
159: }
160:
161:
162: #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
163: type5,arg5,type6,arg6) \
1.1.1.7 root 164: static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
165: type6 arg6) \
1.1.1.4 root 166: { \
167: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
168: }
169:
1.1 root 170:
171: #define __NR_sys_uname __NR_uname
1.1.1.6 root 172: #define __NR_sys_faccessat __NR_faccessat
173: #define __NR_sys_fchmodat __NR_fchmodat
174: #define __NR_sys_fchownat __NR_fchownat
1.1.1.7 root 175: #define __NR_sys_fstatat64 __NR_fstatat64
176: #define __NR_sys_futimesat __NR_futimesat
1.1 root 177: #define __NR_sys_getcwd1 __NR_getcwd
178: #define __NR_sys_getdents __NR_getdents
179: #define __NR_sys_getdents64 __NR_getdents64
1.1.1.6 root 180: #define __NR_sys_getpriority __NR_getpriority
181: #define __NR_sys_linkat __NR_linkat
182: #define __NR_sys_mkdirat __NR_mkdirat
183: #define __NR_sys_mknodat __NR_mknodat
1.1.1.8 root 184: #define __NR_sys_newfstatat __NR_newfstatat
1.1.1.6 root 185: #define __NR_sys_openat __NR_openat
186: #define __NR_sys_readlinkat __NR_readlinkat
187: #define __NR_sys_renameat __NR_renameat
1.1 root 188: #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
1.1.1.6 root 189: #define __NR_sys_symlinkat __NR_symlinkat
190: #define __NR_sys_syslog __NR_syslog
191: #define __NR_sys_tgkill __NR_tgkill
192: #define __NR_sys_tkill __NR_tkill
193: #define __NR_sys_unlinkat __NR_unlinkat
194: #define __NR_sys_utimensat __NR_utimensat
1.1.1.7 root 195: #define __NR_sys_futex __NR_futex
196: #define __NR_sys_inotify_init __NR_inotify_init
197: #define __NR_sys_inotify_add_watch __NR_inotify_add_watch
198: #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
1.1 root 199:
1.1.1.12! root 200: #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
! 201: defined(__s390x__)
1.1 root 202: #define __NR__llseek __NR_lseek
203: #endif
204:
205: #ifdef __NR_gettid
206: _syscall0(int, gettid)
207: #else
1.1.1.6 root 208: /* This is a replacement for the host gettid() and must return a host
209: errno. */
1.1 root 210: static int gettid(void) {
211: return -ENOSYS;
212: }
213: #endif
1.1.1.8 root 214: _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
215: #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
216: _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
217: #endif
218: _syscall2(int, sys_getpriority, int, which, int, who);
1.1.1.10 root 219: #if defined(TARGET_NR__llseek) && defined(__NR_llseek)
1.1.1.8 root 220: _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
221: loff_t *, res, uint, wh);
222: #endif
223: _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
224: _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
225: #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
226: _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
227: #endif
228: #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
229: _syscall2(int,sys_tkill,int,tid,int,sig)
230: #endif
231: #ifdef __NR_exit_group
232: _syscall1(int,exit_group,int,error_code)
233: #endif
234: #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
235: _syscall1(int,set_tid_address,int *,tidptr)
236: #endif
1.1.1.9 root 237: #if defined(CONFIG_USE_NPTL)
1.1.1.8 root 238: #if defined(TARGET_NR_futex) && defined(__NR_futex)
239: _syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
240: const struct timespec *,timeout,int *,uaddr2,int,val3)
241: #endif
242: #endif
1.1.1.12! root 243: #define __NR_sys_sched_getaffinity __NR_sched_getaffinity
! 244: _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
! 245: unsigned long *, user_mask_ptr);
! 246: #define __NR_sys_sched_setaffinity __NR_sched_setaffinity
! 247: _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
! 248: unsigned long *, user_mask_ptr);
1.1.1.8 root 249:
250: static bitmask_transtbl fcntl_flags_tbl[] = {
251: { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
252: { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
253: { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
254: { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
255: { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
256: { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
257: { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
258: { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
259: { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
260: { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
261: { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
262: { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
263: { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
264: #if defined(O_DIRECT)
265: { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
266: #endif
267: { 0, 0, 0, 0 }
268: };
269:
270: #define COPY_UTSNAME_FIELD(dest, src) \
271: do { \
272: /* __NEW_UTS_LEN doesn't include terminating null */ \
273: (void) strncpy((dest), (src), __NEW_UTS_LEN); \
274: (dest)[__NEW_UTS_LEN] = '\0'; \
275: } while (0)
276:
277: static int sys_uname(struct new_utsname *buf)
278: {
279: struct utsname uts_buf;
280:
281: if (uname(&uts_buf) < 0)
282: return (-1);
283:
284: /*
285: * Just in case these have some differences, we
286: * translate utsname to new_utsname (which is the
287: * struct linux kernel uses).
288: */
289:
1.1.1.12! root 290: memset(buf, 0, sizeof(*buf));
1.1.1.8 root 291: COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
292: COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
293: COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
294: COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
295: COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
296: #ifdef _GNU_SOURCE
297: COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
298: #endif
299: return (0);
300:
301: #undef COPY_UTSNAME_FIELD
302: }
303:
304: static int sys_getcwd1(char *buf, size_t size)
305: {
306: if (getcwd(buf, size) == NULL) {
307: /* getcwd() sets errno */
308: return (-1);
309: }
310: return strlen(buf)+1;
311: }
312:
313: #ifdef CONFIG_ATFILE
314: /*
315: * Host system seems to have atfile syscall stubs available. We
316: * now enable them one by one as specified by target syscall_nr.h.
317: */
318:
319: #ifdef TARGET_NR_faccessat
320: static int sys_faccessat(int dirfd, const char *pathname, int mode)
321: {
322: return (faccessat(dirfd, pathname, mode, 0));
323: }
324: #endif
325: #ifdef TARGET_NR_fchmodat
326: static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
327: {
328: return (fchmodat(dirfd, pathname, mode, 0));
329: }
330: #endif
1.1.1.12! root 331: #if defined(TARGET_NR_fchownat)
1.1.1.8 root 332: static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
333: gid_t group, int flags)
334: {
335: return (fchownat(dirfd, pathname, owner, group, flags));
336: }
337: #endif
338: #ifdef __NR_fstatat64
339: static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
340: int flags)
341: {
342: return (fstatat(dirfd, pathname, buf, flags));
343: }
344: #endif
345: #ifdef __NR_newfstatat
346: static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
347: int flags)
348: {
349: return (fstatat(dirfd, pathname, buf, flags));
350: }
351: #endif
352: #ifdef TARGET_NR_futimesat
353: static int sys_futimesat(int dirfd, const char *pathname,
354: const struct timeval times[2])
355: {
356: return (futimesat(dirfd, pathname, times));
357: }
358: #endif
359: #ifdef TARGET_NR_linkat
360: static int sys_linkat(int olddirfd, const char *oldpath,
361: int newdirfd, const char *newpath, int flags)
362: {
363: return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
364: }
365: #endif
366: #ifdef TARGET_NR_mkdirat
367: static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
368: {
369: return (mkdirat(dirfd, pathname, mode));
370: }
371: #endif
372: #ifdef TARGET_NR_mknodat
373: static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
374: dev_t dev)
375: {
376: return (mknodat(dirfd, pathname, mode, dev));
377: }
378: #endif
379: #ifdef TARGET_NR_openat
380: static int sys_openat(int dirfd, const char *pathname, int flags, ...)
381: {
382: /*
383: * open(2) has extra parameter 'mode' when called with
384: * flag O_CREAT.
385: */
386: if ((flags & O_CREAT) != 0) {
387: va_list ap;
388: mode_t mode;
389:
390: /*
391: * Get the 'mode' parameter and translate it to
392: * host bits.
393: */
394: va_start(ap, flags);
395: mode = va_arg(ap, mode_t);
396: mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
397: va_end(ap);
398:
399: return (openat(dirfd, pathname, flags, mode));
400: }
401: return (openat(dirfd, pathname, flags));
402: }
403: #endif
404: #ifdef TARGET_NR_readlinkat
405: static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
406: {
407: return (readlinkat(dirfd, pathname, buf, bufsiz));
408: }
409: #endif
410: #ifdef TARGET_NR_renameat
411: static int sys_renameat(int olddirfd, const char *oldpath,
412: int newdirfd, const char *newpath)
413: {
414: return (renameat(olddirfd, oldpath, newdirfd, newpath));
415: }
416: #endif
417: #ifdef TARGET_NR_symlinkat
418: static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
419: {
420: return (symlinkat(oldpath, newdirfd, newpath));
421: }
422: #endif
423: #ifdef TARGET_NR_unlinkat
424: static int sys_unlinkat(int dirfd, const char *pathname, int flags)
425: {
426: return (unlinkat(dirfd, pathname, flags));
427: }
428: #endif
429: #else /* !CONFIG_ATFILE */
430:
431: /*
432: * Try direct syscalls instead
433: */
1.1.1.6 root 434: #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
1.1.1.8 root 435: _syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
1.1.1.6 root 436: #endif
437: #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
1.1.1.8 root 438: _syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
1.1.1.6 root 439: #endif
1.1.1.12! root 440: #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
1.1.1.6 root 441: _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
442: uid_t,owner,gid_t,group,int,flags)
443: #endif
1.1.1.8 root 444: #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
445: defined(__NR_fstatat64)
1.1.1.7 root 446: _syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
447: struct stat *,buf,int,flags)
448: #endif
449: #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
450: _syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
451: const struct timeval *,times)
452: #endif
1.1.1.8 root 453: #if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
454: defined(__NR_newfstatat)
455: _syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
456: struct stat *,buf,int,flags)
1.1.1.7 root 457: #endif
1.1.1.6 root 458: #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
459: _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
1.1.1.8 root 460: int,newdirfd,const char *,newpath,int,flags)
1.1.1.6 root 461: #endif
462: #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
463: _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
464: #endif
465: #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
466: _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
467: mode_t,mode,dev_t,dev)
468: #endif
469: #if defined(TARGET_NR_openat) && defined(__NR_openat)
470: _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
471: #endif
472: #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
473: _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
474: char *,buf,size_t,bufsize)
475: #endif
476: #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
477: _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
478: int,newdirfd,const char *,newpath)
479: #endif
480: #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
481: _syscall3(int,sys_symlinkat,const char *,oldpath,
482: int,newdirfd,const char *,newpath)
483: #endif
484: #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
485: _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
486: #endif
1.1.1.8 root 487:
488: #endif /* CONFIG_ATFILE */
489:
490: #ifdef CONFIG_UTIMENSAT
491: static int sys_utimensat(int dirfd, const char *pathname,
492: const struct timespec times[2], int flags)
493: {
494: if (pathname == NULL)
495: return futimens(dirfd, times);
496: else
497: return utimensat(dirfd, pathname, times, flags);
498: }
499: #else
1.1.1.6 root 500: #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
501: _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
502: const struct timespec *,tsp,int,flags)
503: #endif
1.1.1.8 root 504: #endif /* CONFIG_UTIMENSAT */
505:
506: #ifdef CONFIG_INOTIFY
507: #include <sys/inotify.h>
508:
1.1.1.7 root 509: #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
1.1.1.8 root 510: static int sys_inotify_init(void)
511: {
512: return (inotify_init());
513: }
1.1.1.7 root 514: #endif
515: #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
1.1.1.8 root 516: static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
517: {
518: return (inotify_add_watch(fd, pathname, mask));
519: }
1.1.1.7 root 520: #endif
521: #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
1.1.1.8 root 522: static int sys_inotify_rm_watch(int fd, int32_t wd)
523: {
524: return (inotify_rm_watch(fd, wd));
525: }
1.1.1.7 root 526: #endif
1.1.1.10 root 527: #ifdef CONFIG_INOTIFY1
528: #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
529: static int sys_inotify_init1(int flags)
530: {
531: return (inotify_init1(flags));
532: }
533: #endif
534: #endif
1.1.1.8 root 535: #else
536: /* Userspace can usually survive runtime without inotify */
537: #undef TARGET_NR_inotify_init
1.1.1.10 root 538: #undef TARGET_NR_inotify_init1
1.1.1.8 root 539: #undef TARGET_NR_inotify_add_watch
540: #undef TARGET_NR_inotify_rm_watch
541: #endif /* CONFIG_INOTIFY */
542:
1.1.1.12! root 543: #if defined(TARGET_NR_ppoll)
! 544: #ifndef __NR_ppoll
! 545: # define __NR_ppoll -1
! 546: #endif
! 547: #define __NR_sys_ppoll __NR_ppoll
! 548: _syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
! 549: struct timespec *, timeout, const __sigset_t *, sigmask,
! 550: size_t, sigsetsize)
! 551: #endif
! 552:
! 553: #if defined(TARGET_NR_pselect6)
! 554: #ifndef __NR_pselect6
! 555: # define __NR_pselect6 -1
! 556: #endif
! 557: #define __NR_sys_pselect6 __NR_pselect6
! 558: _syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds,
! 559: fd_set *, exceptfds, struct timespec *, timeout, void *, sig);
! 560: #endif
! 561:
! 562: #if defined(TARGET_NR_prlimit64)
! 563: #ifndef __NR_prlimit64
! 564: # define __NR_prlimit64 -1
! 565: #endif
! 566: #define __NR_sys_prlimit64 __NR_prlimit64
! 567: /* The glibc rlimit structure may not be that used by the underlying syscall */
! 568: struct host_rlimit64 {
! 569: uint64_t rlim_cur;
! 570: uint64_t rlim_max;
! 571: };
! 572: _syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
! 573: const struct host_rlimit64 *, new_limit,
! 574: struct host_rlimit64 *, old_limit)
! 575: #endif
1.1 root 576:
577: extern int personality(int);
578: extern int flock(int, int);
579: extern int setfsuid(int);
580: extern int setfsgid(int);
581: extern int setgroups(int, gid_t *);
582:
1.1.1.12! root 583: /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
! 584: #ifdef TARGET_ARM
! 585: static inline int regpairs_aligned(void *cpu_env) {
! 586: return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
! 587: }
! 588: #elif defined(TARGET_MIPS)
! 589: static inline int regpairs_aligned(void *cpu_env) { return 1; }
! 590: #else
! 591: static inline int regpairs_aligned(void *cpu_env) { return 0; }
! 592: #endif
! 593:
1.1.1.6 root 594: #define ERRNO_TABLE_SIZE 1200
595:
596: /* target_to_host_errno_table[] is initialized from
597: * host_to_target_errno_table[] in syscall_init(). */
598: static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
599: };
600:
601: /*
602: * This list is the union of errno values overridden in asm-<arch>/errno.h
603: * minus the errnos that are not actually generic to all archs.
604: */
605: static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
606: [EIDRM] = TARGET_EIDRM,
607: [ECHRNG] = TARGET_ECHRNG,
608: [EL2NSYNC] = TARGET_EL2NSYNC,
609: [EL3HLT] = TARGET_EL3HLT,
610: [EL3RST] = TARGET_EL3RST,
611: [ELNRNG] = TARGET_ELNRNG,
612: [EUNATCH] = TARGET_EUNATCH,
613: [ENOCSI] = TARGET_ENOCSI,
614: [EL2HLT] = TARGET_EL2HLT,
615: [EDEADLK] = TARGET_EDEADLK,
616: [ENOLCK] = TARGET_ENOLCK,
617: [EBADE] = TARGET_EBADE,
618: [EBADR] = TARGET_EBADR,
619: [EXFULL] = TARGET_EXFULL,
620: [ENOANO] = TARGET_ENOANO,
621: [EBADRQC] = TARGET_EBADRQC,
622: [EBADSLT] = TARGET_EBADSLT,
623: [EBFONT] = TARGET_EBFONT,
624: [ENOSTR] = TARGET_ENOSTR,
625: [ENODATA] = TARGET_ENODATA,
626: [ETIME] = TARGET_ETIME,
627: [ENOSR] = TARGET_ENOSR,
628: [ENONET] = TARGET_ENONET,
629: [ENOPKG] = TARGET_ENOPKG,
630: [EREMOTE] = TARGET_EREMOTE,
631: [ENOLINK] = TARGET_ENOLINK,
632: [EADV] = TARGET_EADV,
633: [ESRMNT] = TARGET_ESRMNT,
634: [ECOMM] = TARGET_ECOMM,
635: [EPROTO] = TARGET_EPROTO,
636: [EDOTDOT] = TARGET_EDOTDOT,
637: [EMULTIHOP] = TARGET_EMULTIHOP,
638: [EBADMSG] = TARGET_EBADMSG,
639: [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
640: [EOVERFLOW] = TARGET_EOVERFLOW,
641: [ENOTUNIQ] = TARGET_ENOTUNIQ,
642: [EBADFD] = TARGET_EBADFD,
643: [EREMCHG] = TARGET_EREMCHG,
644: [ELIBACC] = TARGET_ELIBACC,
645: [ELIBBAD] = TARGET_ELIBBAD,
646: [ELIBSCN] = TARGET_ELIBSCN,
647: [ELIBMAX] = TARGET_ELIBMAX,
648: [ELIBEXEC] = TARGET_ELIBEXEC,
649: [EILSEQ] = TARGET_EILSEQ,
650: [ENOSYS] = TARGET_ENOSYS,
651: [ELOOP] = TARGET_ELOOP,
652: [ERESTART] = TARGET_ERESTART,
653: [ESTRPIPE] = TARGET_ESTRPIPE,
654: [ENOTEMPTY] = TARGET_ENOTEMPTY,
655: [EUSERS] = TARGET_EUSERS,
656: [ENOTSOCK] = TARGET_ENOTSOCK,
657: [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
658: [EMSGSIZE] = TARGET_EMSGSIZE,
659: [EPROTOTYPE] = TARGET_EPROTOTYPE,
660: [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
661: [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
662: [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
663: [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
664: [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
665: [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
666: [EADDRINUSE] = TARGET_EADDRINUSE,
667: [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
668: [ENETDOWN] = TARGET_ENETDOWN,
669: [ENETUNREACH] = TARGET_ENETUNREACH,
670: [ENETRESET] = TARGET_ENETRESET,
671: [ECONNABORTED] = TARGET_ECONNABORTED,
672: [ECONNRESET] = TARGET_ECONNRESET,
673: [ENOBUFS] = TARGET_ENOBUFS,
674: [EISCONN] = TARGET_EISCONN,
675: [ENOTCONN] = TARGET_ENOTCONN,
676: [EUCLEAN] = TARGET_EUCLEAN,
677: [ENOTNAM] = TARGET_ENOTNAM,
678: [ENAVAIL] = TARGET_ENAVAIL,
679: [EISNAM] = TARGET_EISNAM,
680: [EREMOTEIO] = TARGET_EREMOTEIO,
681: [ESHUTDOWN] = TARGET_ESHUTDOWN,
682: [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
683: [ETIMEDOUT] = TARGET_ETIMEDOUT,
684: [ECONNREFUSED] = TARGET_ECONNREFUSED,
685: [EHOSTDOWN] = TARGET_EHOSTDOWN,
686: [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
687: [EALREADY] = TARGET_EALREADY,
688: [EINPROGRESS] = TARGET_EINPROGRESS,
689: [ESTALE] = TARGET_ESTALE,
690: [ECANCELED] = TARGET_ECANCELED,
691: [ENOMEDIUM] = TARGET_ENOMEDIUM,
692: [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
693: #ifdef ENOKEY
694: [ENOKEY] = TARGET_ENOKEY,
695: #endif
696: #ifdef EKEYEXPIRED
697: [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
698: #endif
699: #ifdef EKEYREVOKED
700: [EKEYREVOKED] = TARGET_EKEYREVOKED,
701: #endif
702: #ifdef EKEYREJECTED
703: [EKEYREJECTED] = TARGET_EKEYREJECTED,
704: #endif
705: #ifdef EOWNERDEAD
706: [EOWNERDEAD] = TARGET_EOWNERDEAD,
707: #endif
708: #ifdef ENOTRECOVERABLE
709: [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
710: #endif
711: };
712:
713: static inline int host_to_target_errno(int err)
714: {
715: if(host_to_target_errno_table[err])
716: return host_to_target_errno_table[err];
717: return err;
718: }
719:
720: static inline int target_to_host_errno(int err)
721: {
722: if (target_to_host_errno_table[err])
723: return target_to_host_errno_table[err];
724: return err;
725: }
726:
727: static inline abi_long get_errno(abi_long ret)
1.1 root 728: {
729: if (ret == -1)
1.1.1.6 root 730: return -host_to_target_errno(errno);
1.1 root 731: else
732: return ret;
733: }
734:
1.1.1.6 root 735: static inline int is_error(abi_long ret)
736: {
737: return (abi_ulong)ret >= (abi_ulong)(-4096);
738: }
739:
740: char *target_strerror(int err)
1.1 root 741: {
1.1.1.6 root 742: return strerror(target_to_host_errno(err));
1.1 root 743: }
744:
1.1.1.6 root 745: static abi_ulong target_brk;
746: static abi_ulong target_original_brk;
1.1.1.12! root 747: static abi_ulong brk_page;
1.1 root 748:
1.1.1.6 root 749: void target_set_brk(abi_ulong new_brk)
1.1 root 750: {
1.1.1.6 root 751: target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
1.1.1.12! root 752: brk_page = HOST_PAGE_ALIGN(target_brk);
1.1 root 753: }
754:
1.1.1.12! root 755: //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
! 756: #define DEBUGF_BRK(message, args...)
! 757:
1.1.1.6 root 758: /* do_brk() must return target values and target errnos. */
759: abi_long do_brk(abi_ulong new_brk)
1.1 root 760: {
1.1.1.6 root 761: abi_long mapped_addr;
1.1 root 762: int new_alloc_size;
763:
1.1.1.12! root 764: DEBUGF_BRK("do_brk(%#010x) -> ", new_brk);
! 765:
! 766: if (!new_brk) {
! 767: DEBUGF_BRK("%#010x (!new_brk)\n", target_brk);
1.1.1.3 root 768: return target_brk;
1.1.1.12! root 769: }
! 770: if (new_brk < target_original_brk) {
! 771: DEBUGF_BRK("%#010x (new_brk < target_original_brk)\n", target_brk);
1.1.1.7 root 772: return target_brk;
1.1.1.12! root 773: }
1.1.1.6 root 774:
1.1.1.12! root 775: /* If the new brk is less than the highest page reserved to the
! 776: * target heap allocation, set it and we're almost done... */
! 777: if (new_brk <= brk_page) {
! 778: /* Heap contents are initialized to zero, as for anonymous
! 779: * mapped pages. */
! 780: if (new_brk > target_brk) {
! 781: memset(g2h(target_brk), 0, new_brk - target_brk);
! 782: }
1.1 root 783: target_brk = new_brk;
1.1.1.12! root 784: DEBUGF_BRK("%#010x (new_brk <= brk_page)\n", target_brk);
1.1.1.3 root 785: return target_brk;
1.1 root 786: }
787:
1.1.1.12! root 788: /* We need to allocate more memory after the brk... Note that
! 789: * we don't use MAP_FIXED because that will map over the top of
! 790: * any existing mapping (like the one with the host libc or qemu
! 791: * itself); instead we treat "mapped but at wrong address" as
! 792: * a failure and unmap again.
! 793: */
! 794: new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
1.1.1.6 root 795: mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
1.1 root 796: PROT_READ|PROT_WRITE,
1.1.1.12! root 797: MAP_ANON|MAP_PRIVATE, 0, 0));
! 798:
! 799: if (mapped_addr == brk_page) {
! 800: target_brk = new_brk;
! 801: brk_page = HOST_PAGE_ALIGN(target_brk);
! 802: DEBUGF_BRK("%#010x (mapped_addr == brk_page)\n", target_brk);
! 803: return target_brk;
! 804: } else if (mapped_addr != -1) {
! 805: /* Mapped but at wrong address, meaning there wasn't actually
! 806: * enough space for this brk.
! 807: */
! 808: target_munmap(mapped_addr, new_alloc_size);
! 809: mapped_addr = -1;
! 810: DEBUGF_BRK("%#010x (mapped_addr != -1)\n", target_brk);
! 811: }
! 812: else {
! 813: DEBUGF_BRK("%#010x (otherwise)\n", target_brk);
! 814: }
1.1.1.7 root 815:
1.1.1.10 root 816: #if defined(TARGET_ALPHA)
817: /* We (partially) emulate OSF/1 on Alpha, which requires we
818: return a proper errno, not an unchanged brk value. */
1.1.1.12! root 819: return -TARGET_ENOMEM;
1.1.1.10 root 820: #endif
1.1.1.12! root 821: /* For everything else, return the previous break. */
1.1.1.7 root 822: return target_brk;
1.1 root 823: }
824:
1.1.1.6 root 825: static inline abi_long copy_from_user_fdset(fd_set *fds,
826: abi_ulong target_fds_addr,
827: int n)
1.1 root 828: {
1.1.1.6 root 829: int i, nw, j, k;
830: abi_ulong b, *target_fds;
831:
832: nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
833: if (!(target_fds = lock_user(VERIFY_READ,
834: target_fds_addr,
835: sizeof(abi_ulong) * nw,
836: 1)))
837: return -TARGET_EFAULT;
838:
839: FD_ZERO(fds);
840: k = 0;
841: for (i = 0; i < nw; i++) {
842: /* grab the abi_ulong */
843: __get_user(b, &target_fds[i]);
844: for (j = 0; j < TARGET_ABI_BITS; j++) {
845: /* check the bit inside the abi_ulong */
846: if ((b >> j) & 1)
847: FD_SET(k, fds);
848: k++;
1.1 root 849: }
850: }
1.1.1.6 root 851:
852: unlock_user(target_fds, target_fds_addr, 0);
853:
854: return 0;
1.1 root 855: }
856:
1.1.1.12! root 857: static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
! 858: abi_ulong target_fds_addr,
! 859: int n)
! 860: {
! 861: if (target_fds_addr) {
! 862: if (copy_from_user_fdset(fds, target_fds_addr, n))
! 863: return -TARGET_EFAULT;
! 864: *fds_ptr = fds;
! 865: } else {
! 866: *fds_ptr = NULL;
! 867: }
! 868: return 0;
! 869: }
! 870:
1.1.1.6 root 871: static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
872: const fd_set *fds,
873: int n)
1.1 root 874: {
875: int i, nw, j, k;
1.1.1.6 root 876: abi_long v;
877: abi_ulong *target_fds;
1.1 root 878:
1.1.1.6 root 879: nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
880: if (!(target_fds = lock_user(VERIFY_WRITE,
881: target_fds_addr,
882: sizeof(abi_ulong) * nw,
883: 0)))
884: return -TARGET_EFAULT;
885:
886: k = 0;
887: for (i = 0; i < nw; i++) {
888: v = 0;
889: for (j = 0; j < TARGET_ABI_BITS; j++) {
890: v |= ((FD_ISSET(k, fds) != 0) << j);
891: k++;
1.1 root 892: }
1.1.1.6 root 893: __put_user(v, &target_fds[i]);
1.1 root 894: }
1.1.1.6 root 895:
896: unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
897:
898: return 0;
1.1 root 899: }
900:
901: #if defined(__alpha__)
902: #define HOST_HZ 1024
903: #else
904: #define HOST_HZ 100
905: #endif
906:
1.1.1.6 root 907: static inline abi_long host_to_target_clock_t(long ticks)
1.1 root 908: {
909: #if HOST_HZ == TARGET_HZ
910: return ticks;
911: #else
912: return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
913: #endif
914: }
915:
1.1.1.6 root 916: static inline abi_long host_to_target_rusage(abi_ulong target_addr,
917: const struct rusage *rusage)
1.1 root 918: {
1.1.1.3 root 919: struct target_rusage *target_rusage;
920:
1.1.1.6 root 921: if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
922: return -TARGET_EFAULT;
1.1 root 923: target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
924: target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
925: target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
926: target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
927: target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
928: target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
929: target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
930: target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
931: target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
932: target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
933: target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
934: target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
935: target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
936: target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
937: target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
938: target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
939: target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
940: target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
1.1.1.3 root 941: unlock_user_struct(target_rusage, target_addr, 1);
1.1.1.6 root 942:
943: return 0;
1.1 root 944: }
945:
1.1.1.10 root 946: static inline rlim_t target_to_host_rlim(target_ulong target_rlim)
947: {
1.1.1.12! root 948: target_ulong target_rlim_swap;
! 949: rlim_t result;
! 950:
! 951: target_rlim_swap = tswapl(target_rlim);
! 952: if (target_rlim_swap == TARGET_RLIM_INFINITY || target_rlim_swap != (rlim_t)target_rlim_swap)
! 953: result = RLIM_INFINITY;
1.1.1.10 root 954: else
1.1.1.12! root 955: result = target_rlim_swap;
! 956:
! 957: return result;
1.1.1.10 root 958: }
959:
960: static inline target_ulong host_to_target_rlim(rlim_t rlim)
961: {
1.1.1.12! root 962: target_ulong target_rlim_swap;
! 963: target_ulong result;
! 964:
1.1.1.10 root 965: if (rlim == RLIM_INFINITY || rlim != (target_long)rlim)
1.1.1.12! root 966: target_rlim_swap = TARGET_RLIM_INFINITY;
1.1.1.10 root 967: else
1.1.1.12! root 968: target_rlim_swap = rlim;
! 969: result = tswapl(target_rlim_swap);
! 970:
! 971: return result;
! 972: }
! 973:
! 974: static inline int target_to_host_resource(int code)
! 975: {
! 976: switch (code) {
! 977: case TARGET_RLIMIT_AS:
! 978: return RLIMIT_AS;
! 979: case TARGET_RLIMIT_CORE:
! 980: return RLIMIT_CORE;
! 981: case TARGET_RLIMIT_CPU:
! 982: return RLIMIT_CPU;
! 983: case TARGET_RLIMIT_DATA:
! 984: return RLIMIT_DATA;
! 985: case TARGET_RLIMIT_FSIZE:
! 986: return RLIMIT_FSIZE;
! 987: case TARGET_RLIMIT_LOCKS:
! 988: return RLIMIT_LOCKS;
! 989: case TARGET_RLIMIT_MEMLOCK:
! 990: return RLIMIT_MEMLOCK;
! 991: case TARGET_RLIMIT_MSGQUEUE:
! 992: return RLIMIT_MSGQUEUE;
! 993: case TARGET_RLIMIT_NICE:
! 994: return RLIMIT_NICE;
! 995: case TARGET_RLIMIT_NOFILE:
! 996: return RLIMIT_NOFILE;
! 997: case TARGET_RLIMIT_NPROC:
! 998: return RLIMIT_NPROC;
! 999: case TARGET_RLIMIT_RSS:
! 1000: return RLIMIT_RSS;
! 1001: case TARGET_RLIMIT_RTPRIO:
! 1002: return RLIMIT_RTPRIO;
! 1003: case TARGET_RLIMIT_SIGPENDING:
! 1004: return RLIMIT_SIGPENDING;
! 1005: case TARGET_RLIMIT_STACK:
! 1006: return RLIMIT_STACK;
! 1007: default:
! 1008: return code;
! 1009: }
1.1.1.10 root 1010: }
1011:
1.1.1.6 root 1012: static inline abi_long copy_from_user_timeval(struct timeval *tv,
1013: abi_ulong target_tv_addr)
1.1 root 1014: {
1.1.1.3 root 1015: struct target_timeval *target_tv;
1016:
1.1.1.6 root 1017: if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
1018: return -TARGET_EFAULT;
1019:
1020: __get_user(tv->tv_sec, &target_tv->tv_sec);
1021: __get_user(tv->tv_usec, &target_tv->tv_usec);
1022:
1023: unlock_user_struct(target_tv, target_tv_addr, 0);
1024:
1025: return 0;
1.1 root 1026: }
1027:
1.1.1.6 root 1028: static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
1029: const struct timeval *tv)
1.1 root 1030: {
1.1.1.3 root 1031: struct target_timeval *target_tv;
1032:
1.1.1.6 root 1033: if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
1034: return -TARGET_EFAULT;
1035:
1036: __put_user(tv->tv_sec, &target_tv->tv_sec);
1037: __put_user(tv->tv_usec, &target_tv->tv_usec);
1038:
1039: unlock_user_struct(target_tv, target_tv_addr, 1);
1040:
1041: return 0;
1.1 root 1042: }
1043:
1.1.1.9 root 1044: #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1045: #include <mqueue.h>
1046:
1.1.1.8 root 1047: static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1048: abi_ulong target_mq_attr_addr)
1049: {
1050: struct target_mq_attr *target_mq_attr;
1051:
1052: if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1053: target_mq_attr_addr, 1))
1054: return -TARGET_EFAULT;
1055:
1056: __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1057: __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1058: __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1059: __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1060:
1061: unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1062:
1063: return 0;
1064: }
1065:
1066: static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1067: const struct mq_attr *attr)
1068: {
1069: struct target_mq_attr *target_mq_attr;
1070:
1071: if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1072: target_mq_attr_addr, 0))
1073: return -TARGET_EFAULT;
1074:
1075: __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1076: __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1077: __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1078: __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1079:
1080: unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1081:
1082: return 0;
1083: }
1.1.1.9 root 1084: #endif
1.1 root 1085:
1.1.1.12! root 1086: #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
1.1.1.6 root 1087: /* do_select() must return target values and target errnos. */
1088: static abi_long do_select(int n,
1089: abi_ulong rfd_addr, abi_ulong wfd_addr,
1090: abi_ulong efd_addr, abi_ulong target_tv_addr)
1.1 root 1091: {
1092: fd_set rfds, wfds, efds;
1093: fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1094: struct timeval tv, *tv_ptr;
1.1.1.6 root 1095: abi_long ret;
1.1 root 1096:
1.1.1.12! root 1097: ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
! 1098: if (ret) {
! 1099: return ret;
1.1.1.3 root 1100: }
1.1.1.12! root 1101: ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
! 1102: if (ret) {
! 1103: return ret;
1.1.1.3 root 1104: }
1.1.1.12! root 1105: ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
! 1106: if (ret) {
! 1107: return ret;
1.1.1.3 root 1108: }
1.1.1.6 root 1109:
1110: if (target_tv_addr) {
1111: if (copy_from_user_timeval(&tv, target_tv_addr))
1112: return -TARGET_EFAULT;
1.1 root 1113: tv_ptr = &tv;
1114: } else {
1115: tv_ptr = NULL;
1116: }
1.1.1.6 root 1117:
1.1 root 1118: ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
1.1.1.3 root 1119:
1.1.1.6 root 1120: if (!is_error(ret)) {
1121: if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1122: return -TARGET_EFAULT;
1123: if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1124: return -TARGET_EFAULT;
1125: if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1126: return -TARGET_EFAULT;
1.1 root 1127:
1.1.1.6 root 1128: if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
1129: return -TARGET_EFAULT;
1.1 root 1130: }
1.1.1.3 root 1131:
1.1 root 1132: return ret;
1133: }
1.1.1.12! root 1134: #endif
1.1 root 1135:
1.1.1.8 root 1136: static abi_long do_pipe2(int host_pipe[], int flags)
1137: {
1138: #ifdef CONFIG_PIPE2
1139: return pipe2(host_pipe, flags);
1140: #else
1141: return -ENOSYS;
1142: #endif
1143: }
1144:
1.1.1.10 root 1145: static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1146: int flags, int is_pipe2)
1.1.1.8 root 1147: {
1148: int host_pipe[2];
1149: abi_long ret;
1150: ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1151:
1152: if (is_error(ret))
1153: return get_errno(ret);
1.1.1.10 root 1154:
1155: /* Several targets have special calling conventions for the original
1156: pipe syscall, but didn't replicate this into the pipe2 syscall. */
1157: if (!is_pipe2) {
1158: #if defined(TARGET_ALPHA)
1159: ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1160: return host_pipe[0];
1161: #elif defined(TARGET_MIPS)
1162: ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1163: return host_pipe[0];
1.1.1.8 root 1164: #elif defined(TARGET_SH4)
1.1.1.10 root 1165: ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
1166: return host_pipe[0];
1167: #endif
1168: }
1169:
1.1.1.8 root 1170: if (put_user_s32(host_pipe[0], pipedes)
1171: || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1172: return -TARGET_EFAULT;
1173: return get_errno(ret);
1174: }
1175:
1176: static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1177: abi_ulong target_addr,
1178: socklen_t len)
1179: {
1180: struct target_ip_mreqn *target_smreqn;
1181:
1182: target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1183: if (!target_smreqn)
1184: return -TARGET_EFAULT;
1185: mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1186: mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1187: if (len == sizeof(struct target_ip_mreqn))
1188: mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
1189: unlock_user(target_smreqn, target_addr, 0);
1190:
1191: return 0;
1192: }
1193:
1.1.1.6 root 1194: static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1195: abi_ulong target_addr,
1196: socklen_t len)
1.1 root 1197: {
1.1.1.8 root 1198: const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1199: sa_family_t sa_family;
1.1.1.3 root 1200: struct target_sockaddr *target_saddr;
1201:
1.1.1.6 root 1202: target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1203: if (!target_saddr)
1204: return -TARGET_EFAULT;
1.1.1.8 root 1205:
1206: sa_family = tswap16(target_saddr->sa_family);
1207:
1208: /* Oops. The caller might send a incomplete sun_path; sun_path
1209: * must be terminated by \0 (see the manual page), but
1210: * unfortunately it is quite common to specify sockaddr_un
1211: * length as "strlen(x->sun_path)" while it should be
1212: * "strlen(...) + 1". We'll fix that here if needed.
1213: * Linux kernel has a similar feature.
1214: */
1215:
1216: if (sa_family == AF_UNIX) {
1217: if (len < unix_maxlen && len > 0) {
1218: char *cp = (char*)target_saddr;
1219:
1220: if ( cp[len-1] && !cp[len] )
1221: len++;
1222: }
1223: if (len > unix_maxlen)
1224: len = unix_maxlen;
1225: }
1226:
1.1.1.3 root 1227: memcpy(addr, target_saddr, len);
1.1.1.8 root 1228: addr->sa_family = sa_family;
1.1.1.3 root 1229: unlock_user(target_saddr, target_addr, 0);
1.1.1.6 root 1230:
1231: return 0;
1.1 root 1232: }
1233:
1.1.1.6 root 1234: static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1235: struct sockaddr *addr,
1236: socklen_t len)
1.1 root 1237: {
1.1.1.3 root 1238: struct target_sockaddr *target_saddr;
1239:
1.1.1.6 root 1240: target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1241: if (!target_saddr)
1242: return -TARGET_EFAULT;
1.1.1.3 root 1243: memcpy(target_saddr, addr, len);
1244: target_saddr->sa_family = tswap16(addr->sa_family);
1245: unlock_user(target_saddr, target_addr, len);
1.1.1.6 root 1246:
1247: return 0;
1.1 root 1248: }
1249:
1.1.1.3 root 1250: /* ??? Should this also swap msgh->name? */
1.1.1.6 root 1251: static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1252: struct target_msghdr *target_msgh)
1.1 root 1253: {
1254: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1.1.1.6 root 1255: abi_long msg_controllen;
1256: abi_ulong target_cmsg_addr;
1257: struct target_cmsghdr *target_cmsg;
1.1 root 1258: socklen_t space = 0;
1.1.1.6 root 1259:
1260: msg_controllen = tswapl(target_msgh->msg_controllen);
1261: if (msg_controllen < sizeof (struct target_cmsghdr))
1262: goto the_end;
1263: target_cmsg_addr = tswapl(target_msgh->msg_control);
1264: target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1265: if (!target_cmsg)
1266: return -TARGET_EFAULT;
1.1 root 1267:
1268: while (cmsg && target_cmsg) {
1269: void *data = CMSG_DATA(cmsg);
1270: void *target_data = TARGET_CMSG_DATA(target_cmsg);
1271:
1.1.1.6 root 1272: int len = tswapl(target_cmsg->cmsg_len)
1.1 root 1273: - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1274:
1275: space += CMSG_SPACE(len);
1276: if (space > msgh->msg_controllen) {
1277: space -= CMSG_SPACE(len);
1.1.1.2 root 1278: gemu_log("Host cmsg overflow\n");
1.1 root 1279: break;
1280: }
1281:
1282: cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1283: cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1284: cmsg->cmsg_len = CMSG_LEN(len);
1285:
1.1.1.4 root 1286: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 1287: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1288: memcpy(data, target_data, len);
1289: } else {
1290: int *fd = (int *)data;
1291: int *target_fd = (int *)target_data;
1292: int i, numfds = len / sizeof(int);
1293:
1294: for (i = 0; i < numfds; i++)
1295: fd[i] = tswap32(target_fd[i]);
1296: }
1297:
1298: cmsg = CMSG_NXTHDR(msgh, cmsg);
1299: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1300: }
1.1.1.6 root 1301: unlock_user(target_cmsg, target_cmsg_addr, 0);
1302: the_end:
1.1 root 1303: msgh->msg_controllen = space;
1.1.1.6 root 1304: return 0;
1.1 root 1305: }
1306:
1.1.1.3 root 1307: /* ??? Should this also swap msgh->name? */
1.1.1.6 root 1308: static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1309: struct msghdr *msgh)
1.1 root 1310: {
1311: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1.1.1.6 root 1312: abi_long msg_controllen;
1313: abi_ulong target_cmsg_addr;
1314: struct target_cmsghdr *target_cmsg;
1.1 root 1315: socklen_t space = 0;
1316:
1.1.1.6 root 1317: msg_controllen = tswapl(target_msgh->msg_controllen);
1318: if (msg_controllen < sizeof (struct target_cmsghdr))
1319: goto the_end;
1320: target_cmsg_addr = tswapl(target_msgh->msg_control);
1321: target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1322: if (!target_cmsg)
1323: return -TARGET_EFAULT;
1324:
1.1 root 1325: while (cmsg && target_cmsg) {
1326: void *data = CMSG_DATA(cmsg);
1327: void *target_data = TARGET_CMSG_DATA(target_cmsg);
1328:
1329: int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1330:
1331: space += TARGET_CMSG_SPACE(len);
1.1.1.6 root 1332: if (space > msg_controllen) {
1.1 root 1333: space -= TARGET_CMSG_SPACE(len);
1.1.1.2 root 1334: gemu_log("Target cmsg overflow\n");
1.1 root 1335: break;
1336: }
1337:
1338: target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1339: target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1340: target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1341:
1.1.1.4 root 1342: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 1343: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1344: memcpy(target_data, data, len);
1345: } else {
1346: int *fd = (int *)data;
1347: int *target_fd = (int *)target_data;
1348: int i, numfds = len / sizeof(int);
1349:
1350: for (i = 0; i < numfds; i++)
1351: target_fd[i] = tswap32(fd[i]);
1352: }
1353:
1354: cmsg = CMSG_NXTHDR(msgh, cmsg);
1355: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1356: }
1.1.1.6 root 1357: unlock_user(target_cmsg, target_cmsg_addr, space);
1358: the_end:
1359: target_msgh->msg_controllen = tswapl(space);
1360: return 0;
1.1 root 1361: }
1362:
1.1.1.6 root 1363: /* do_setsockopt() Must return target values and target errnos. */
1364: static abi_long do_setsockopt(int sockfd, int level, int optname,
1365: abi_ulong optval_addr, socklen_t optlen)
1.1 root 1366: {
1.1.1.6 root 1367: abi_long ret;
1368: int val;
1.1.1.8 root 1369: struct ip_mreqn *ip_mreq;
1370: struct ip_mreq_source *ip_mreq_source;
1.1.1.6 root 1371:
1.1 root 1372: switch(level) {
1373: case SOL_TCP:
1374: /* TCP options all take an 'int' value. */
1375: if (optlen < sizeof(uint32_t))
1.1.1.6 root 1376: return -TARGET_EINVAL;
1377:
1378: if (get_user_u32(val, optval_addr))
1379: return -TARGET_EFAULT;
1.1 root 1380: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1381: break;
1382: case SOL_IP:
1383: switch(optname) {
1384: case IP_TOS:
1385: case IP_TTL:
1386: case IP_HDRINCL:
1387: case IP_ROUTER_ALERT:
1388: case IP_RECVOPTS:
1389: case IP_RETOPTS:
1390: case IP_PKTINFO:
1391: case IP_MTU_DISCOVER:
1392: case IP_RECVERR:
1393: case IP_RECVTOS:
1394: #ifdef IP_FREEBIND
1395: case IP_FREEBIND:
1396: #endif
1397: case IP_MULTICAST_TTL:
1398: case IP_MULTICAST_LOOP:
1399: val = 0;
1400: if (optlen >= sizeof(uint32_t)) {
1.1.1.6 root 1401: if (get_user_u32(val, optval_addr))
1402: return -TARGET_EFAULT;
1.1 root 1403: } else if (optlen >= 1) {
1.1.1.6 root 1404: if (get_user_u8(val, optval_addr))
1405: return -TARGET_EFAULT;
1.1 root 1406: }
1407: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1408: break;
1.1.1.8 root 1409: case IP_ADD_MEMBERSHIP:
1410: case IP_DROP_MEMBERSHIP:
1411: if (optlen < sizeof (struct target_ip_mreq) ||
1412: optlen > sizeof (struct target_ip_mreqn))
1413: return -TARGET_EINVAL;
1414:
1415: ip_mreq = (struct ip_mreqn *) alloca(optlen);
1416: target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1417: ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1418: break;
1419:
1420: case IP_BLOCK_SOURCE:
1421: case IP_UNBLOCK_SOURCE:
1422: case IP_ADD_SOURCE_MEMBERSHIP:
1423: case IP_DROP_SOURCE_MEMBERSHIP:
1424: if (optlen != sizeof (struct target_ip_mreq_source))
1425: return -TARGET_EINVAL;
1426:
1427: ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1428: ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1429: unlock_user (ip_mreq_source, optval_addr, 0);
1430: break;
1431:
1.1 root 1432: default:
1433: goto unimplemented;
1434: }
1435: break;
1.1.1.4 root 1436: case TARGET_SOL_SOCKET:
1.1 root 1437: switch (optname) {
1438: /* Options with 'int' argument. */
1.1.1.4 root 1439: case TARGET_SO_DEBUG:
1440: optname = SO_DEBUG;
1441: break;
1442: case TARGET_SO_REUSEADDR:
1443: optname = SO_REUSEADDR;
1444: break;
1445: case TARGET_SO_TYPE:
1446: optname = SO_TYPE;
1447: break;
1448: case TARGET_SO_ERROR:
1449: optname = SO_ERROR;
1450: break;
1451: case TARGET_SO_DONTROUTE:
1452: optname = SO_DONTROUTE;
1453: break;
1454: case TARGET_SO_BROADCAST:
1455: optname = SO_BROADCAST;
1456: break;
1457: case TARGET_SO_SNDBUF:
1458: optname = SO_SNDBUF;
1459: break;
1460: case TARGET_SO_RCVBUF:
1461: optname = SO_RCVBUF;
1462: break;
1463: case TARGET_SO_KEEPALIVE:
1464: optname = SO_KEEPALIVE;
1465: break;
1466: case TARGET_SO_OOBINLINE:
1467: optname = SO_OOBINLINE;
1468: break;
1469: case TARGET_SO_NO_CHECK:
1470: optname = SO_NO_CHECK;
1471: break;
1472: case TARGET_SO_PRIORITY:
1473: optname = SO_PRIORITY;
1474: break;
1.1 root 1475: #ifdef SO_BSDCOMPAT
1.1.1.4 root 1476: case TARGET_SO_BSDCOMPAT:
1477: optname = SO_BSDCOMPAT;
1478: break;
1.1 root 1479: #endif
1.1.1.4 root 1480: case TARGET_SO_PASSCRED:
1481: optname = SO_PASSCRED;
1482: break;
1483: case TARGET_SO_TIMESTAMP:
1484: optname = SO_TIMESTAMP;
1485: break;
1486: case TARGET_SO_RCVLOWAT:
1487: optname = SO_RCVLOWAT;
1488: break;
1489: case TARGET_SO_RCVTIMEO:
1490: optname = SO_RCVTIMEO;
1491: break;
1492: case TARGET_SO_SNDTIMEO:
1493: optname = SO_SNDTIMEO;
1494: break;
1.1 root 1495: break;
1496: default:
1497: goto unimplemented;
1498: }
1.1.1.4 root 1499: if (optlen < sizeof(uint32_t))
1.1.1.6 root 1500: return -TARGET_EINVAL;
1.1.1.4 root 1501:
1.1.1.6 root 1502: if (get_user_u32(val, optval_addr))
1503: return -TARGET_EFAULT;
1.1.1.4 root 1504: ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
1.1 root 1505: break;
1506: default:
1507: unimplemented:
1508: gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
1.1.1.6 root 1509: ret = -TARGET_ENOPROTOOPT;
1.1 root 1510: }
1511: return ret;
1512: }
1513:
1.1.1.6 root 1514: /* do_getsockopt() Must return target values and target errnos. */
1515: static abi_long do_getsockopt(int sockfd, int level, int optname,
1516: abi_ulong optval_addr, abi_ulong optlen)
1.1 root 1517: {
1.1.1.6 root 1518: abi_long ret;
1.1.1.7 root 1519: int len, val;
1520: socklen_t lv;
1.1 root 1521:
1522: switch(level) {
1.1.1.4 root 1523: case TARGET_SOL_SOCKET:
1.1.1.11 root 1524: level = SOL_SOCKET;
1525: switch (optname) {
1526: /* These don't just return a single integer */
1527: case TARGET_SO_LINGER:
1528: case TARGET_SO_RCVTIMEO:
1529: case TARGET_SO_SNDTIMEO:
1530: case TARGET_SO_PEERCRED:
1531: case TARGET_SO_PEERNAME:
1532: goto unimplemented;
1533: /* Options with 'int' argument. */
1534: case TARGET_SO_DEBUG:
1535: optname = SO_DEBUG;
1536: goto int_case;
1537: case TARGET_SO_REUSEADDR:
1538: optname = SO_REUSEADDR;
1539: goto int_case;
1540: case TARGET_SO_TYPE:
1541: optname = SO_TYPE;
1542: goto int_case;
1543: case TARGET_SO_ERROR:
1544: optname = SO_ERROR;
1545: goto int_case;
1546: case TARGET_SO_DONTROUTE:
1547: optname = SO_DONTROUTE;
1548: goto int_case;
1549: case TARGET_SO_BROADCAST:
1550: optname = SO_BROADCAST;
1551: goto int_case;
1552: case TARGET_SO_SNDBUF:
1553: optname = SO_SNDBUF;
1554: goto int_case;
1555: case TARGET_SO_RCVBUF:
1556: optname = SO_RCVBUF;
1557: goto int_case;
1558: case TARGET_SO_KEEPALIVE:
1559: optname = SO_KEEPALIVE;
1560: goto int_case;
1561: case TARGET_SO_OOBINLINE:
1562: optname = SO_OOBINLINE;
1563: goto int_case;
1564: case TARGET_SO_NO_CHECK:
1565: optname = SO_NO_CHECK;
1566: goto int_case;
1567: case TARGET_SO_PRIORITY:
1568: optname = SO_PRIORITY;
1569: goto int_case;
1570: #ifdef SO_BSDCOMPAT
1571: case TARGET_SO_BSDCOMPAT:
1572: optname = SO_BSDCOMPAT;
1573: goto int_case;
1574: #endif
1575: case TARGET_SO_PASSCRED:
1576: optname = SO_PASSCRED;
1577: goto int_case;
1578: case TARGET_SO_TIMESTAMP:
1579: optname = SO_TIMESTAMP;
1580: goto int_case;
1581: case TARGET_SO_RCVLOWAT:
1582: optname = SO_RCVLOWAT;
1583: goto int_case;
1.1 root 1584: default:
1585: goto int_case;
1586: }
1587: break;
1588: case SOL_TCP:
1589: /* TCP options all take an 'int' value. */
1590: int_case:
1.1.1.6 root 1591: if (get_user_u32(len, optlen))
1592: return -TARGET_EFAULT;
1.1 root 1593: if (len < 0)
1.1.1.6 root 1594: return -TARGET_EINVAL;
1.1.1.12! root 1595: lv = sizeof(lv);
1.1 root 1596: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1597: if (ret < 0)
1598: return ret;
1599: if (len > lv)
1600: len = lv;
1.1.1.6 root 1601: if (len == 4) {
1602: if (put_user_u32(val, optval_addr))
1603: return -TARGET_EFAULT;
1604: } else {
1605: if (put_user_u8(val, optval_addr))
1606: return -TARGET_EFAULT;
1.1.1.11 root 1607: }
1.1.1.6 root 1608: if (put_user_u32(len, optlen))
1609: return -TARGET_EFAULT;
1.1 root 1610: break;
1611: case SOL_IP:
1612: switch(optname) {
1613: case IP_TOS:
1614: case IP_TTL:
1615: case IP_HDRINCL:
1616: case IP_ROUTER_ALERT:
1617: case IP_RECVOPTS:
1618: case IP_RETOPTS:
1619: case IP_PKTINFO:
1620: case IP_MTU_DISCOVER:
1621: case IP_RECVERR:
1622: case IP_RECVTOS:
1623: #ifdef IP_FREEBIND
1624: case IP_FREEBIND:
1625: #endif
1626: case IP_MULTICAST_TTL:
1627: case IP_MULTICAST_LOOP:
1.1.1.6 root 1628: if (get_user_u32(len, optlen))
1629: return -TARGET_EFAULT;
1.1 root 1630: if (len < 0)
1.1.1.6 root 1631: return -TARGET_EINVAL;
1.1.1.12! root 1632: lv = sizeof(lv);
1.1 root 1633: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1634: if (ret < 0)
1635: return ret;
1636: if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
1637: len = 1;
1.1.1.6 root 1638: if (put_user_u32(len, optlen)
1639: || put_user_u8(val, optval_addr))
1640: return -TARGET_EFAULT;
1.1 root 1641: } else {
1642: if (len > sizeof(int))
1643: len = sizeof(int);
1.1.1.6 root 1644: if (put_user_u32(len, optlen)
1645: || put_user_u32(val, optval_addr))
1646: return -TARGET_EFAULT;
1.1 root 1647: }
1648: break;
1649: default:
1.1.1.6 root 1650: ret = -TARGET_ENOPROTOOPT;
1651: break;
1.1 root 1652: }
1653: break;
1654: default:
1655: unimplemented:
1656: gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1657: level, optname);
1.1.1.6 root 1658: ret = -TARGET_EOPNOTSUPP;
1.1 root 1659: break;
1660: }
1661: return ret;
1662: }
1663:
1.1.1.6 root 1664: /* FIXME
1665: * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1666: * other lock functions have a return code of 0 for failure.
1667: */
1668: static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1669: int count, int copy)
1.1.1.3 root 1670: {
1671: struct target_iovec *target_vec;
1.1.1.6 root 1672: abi_ulong base;
1.1.1.7 root 1673: int i;
1.1.1.3 root 1674:
1.1.1.6 root 1675: target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1676: if (!target_vec)
1677: return -TARGET_EFAULT;
1.1.1.3 root 1678: for(i = 0;i < count; i++) {
1679: base = tswapl(target_vec[i].iov_base);
1680: vec[i].iov_len = tswapl(target_vec[i].iov_len);
1.1.1.7 root 1681: if (vec[i].iov_len != 0) {
1682: vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
1683: /* Don't check lock_user return value. We must call writev even
1684: if a element has invalid base address. */
1685: } else {
1686: /* zero length pointer is ignored */
1687: vec[i].iov_base = NULL;
1688: }
1.1.1.6 root 1689: }
1690: unlock_user (target_vec, target_addr, 0);
1691: return 0;
1.1.1.3 root 1692: }
1693:
1.1.1.6 root 1694: static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1695: int count, int copy)
1.1.1.3 root 1696: {
1697: struct target_iovec *target_vec;
1.1.1.6 root 1698: abi_ulong base;
1.1.1.3 root 1699: int i;
1700:
1.1.1.6 root 1701: target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1702: if (!target_vec)
1703: return -TARGET_EFAULT;
1.1.1.3 root 1704: for(i = 0;i < count; i++) {
1.1.1.7 root 1705: if (target_vec[i].iov_base) {
1706: base = tswapl(target_vec[i].iov_base);
1707: unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1708: }
1.1.1.3 root 1709: }
1710: unlock_user (target_vec, target_addr, 0);
1.1.1.6 root 1711:
1712: return 0;
1.1.1.3 root 1713: }
1714:
1.1.1.6 root 1715: /* do_socket() Must return target values and target errnos. */
1716: static abi_long do_socket(int domain, int type, int protocol)
1.1.1.4 root 1717: {
1718: #if defined(TARGET_MIPS)
1719: switch(type) {
1720: case TARGET_SOCK_DGRAM:
1721: type = SOCK_DGRAM;
1722: break;
1723: case TARGET_SOCK_STREAM:
1724: type = SOCK_STREAM;
1725: break;
1726: case TARGET_SOCK_RAW:
1727: type = SOCK_RAW;
1728: break;
1729: case TARGET_SOCK_RDM:
1730: type = SOCK_RDM;
1731: break;
1732: case TARGET_SOCK_SEQPACKET:
1733: type = SOCK_SEQPACKET;
1734: break;
1735: case TARGET_SOCK_PACKET:
1736: type = SOCK_PACKET;
1737: break;
1738: }
1739: #endif
1.1.1.6 root 1740: if (domain == PF_NETLINK)
1741: return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
1.1.1.4 root 1742: return get_errno(socket(domain, type, protocol));
1743: }
1744:
1.1.1.6 root 1745: /* do_bind() Must return target values and target errnos. */
1746: static abi_long do_bind(int sockfd, abi_ulong target_addr,
1747: socklen_t addrlen)
1.1.1.4 root 1748: {
1.1.1.7 root 1749: void *addr;
1.1.1.8 root 1750: abi_long ret;
1.1.1.7 root 1751:
1.1.1.11 root 1752: if ((int)addrlen < 0) {
1.1.1.7 root 1753: return -TARGET_EINVAL;
1.1.1.11 root 1754: }
1.1.1.7 root 1755:
1.1.1.8 root 1756: addr = alloca(addrlen+1);
1757:
1758: ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1759: if (ret)
1760: return ret;
1.1.1.6 root 1761:
1.1.1.4 root 1762: return get_errno(bind(sockfd, addr, addrlen));
1763: }
1764:
1.1.1.6 root 1765: /* do_connect() Must return target values and target errnos. */
1766: static abi_long do_connect(int sockfd, abi_ulong target_addr,
1767: socklen_t addrlen)
1.1.1.4 root 1768: {
1.1.1.7 root 1769: void *addr;
1.1.1.8 root 1770: abi_long ret;
1.1.1.7 root 1771:
1.1.1.11 root 1772: if ((int)addrlen < 0) {
1.1.1.7 root 1773: return -TARGET_EINVAL;
1.1.1.11 root 1774: }
1.1.1.7 root 1775:
1776: addr = alloca(addrlen);
1.1.1.6 root 1777:
1.1.1.8 root 1778: ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1779: if (ret)
1780: return ret;
1781:
1.1.1.4 root 1782: return get_errno(connect(sockfd, addr, addrlen));
1783: }
1784:
1.1.1.6 root 1785: /* do_sendrecvmsg() Must return target values and target errnos. */
1786: static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1787: int flags, int send)
1.1.1.4 root 1788: {
1.1.1.7 root 1789: abi_long ret, len;
1.1.1.4 root 1790: struct target_msghdr *msgp;
1791: struct msghdr msg;
1792: int count;
1793: struct iovec *vec;
1.1.1.6 root 1794: abi_ulong target_vec;
1.1.1.4 root 1795:
1.1.1.6 root 1796: /* FIXME */
1797: if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1798: msgp,
1799: target_msg,
1800: send ? 1 : 0))
1801: return -TARGET_EFAULT;
1.1.1.4 root 1802: if (msgp->msg_name) {
1803: msg.msg_namelen = tswap32(msgp->msg_namelen);
1804: msg.msg_name = alloca(msg.msg_namelen);
1.1.1.8 root 1805: ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1.1.1.4 root 1806: msg.msg_namelen);
1.1.1.8 root 1807: if (ret) {
1808: unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1809: return ret;
1810: }
1.1.1.4 root 1811: } else {
1812: msg.msg_name = NULL;
1813: msg.msg_namelen = 0;
1814: }
1815: msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1816: msg.msg_control = alloca(msg.msg_controllen);
1817: msg.msg_flags = tswap32(msgp->msg_flags);
1.1.1.6 root 1818:
1.1.1.4 root 1819: count = tswapl(msgp->msg_iovlen);
1820: vec = alloca(count * sizeof(struct iovec));
1821: target_vec = tswapl(msgp->msg_iov);
1.1.1.6 root 1822: lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
1.1.1.4 root 1823: msg.msg_iovlen = count;
1824: msg.msg_iov = vec;
1.1.1.6 root 1825:
1.1.1.4 root 1826: if (send) {
1.1.1.6 root 1827: ret = target_to_host_cmsg(&msg, msgp);
1828: if (ret == 0)
1829: ret = get_errno(sendmsg(fd, &msg, flags));
1.1.1.4 root 1830: } else {
1831: ret = get_errno(recvmsg(fd, &msg, flags));
1.1.1.7 root 1832: if (!is_error(ret)) {
1833: len = ret;
1.1.1.6 root 1834: ret = host_to_target_cmsg(msgp, &msg);
1.1.1.7 root 1835: if (!is_error(ret))
1836: ret = len;
1837: }
1.1.1.4 root 1838: }
1839: unlock_iovec(vec, target_vec, count, !send);
1.1.1.6 root 1840: unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1.1.1.4 root 1841: return ret;
1842: }
1843:
1.1.1.6 root 1844: /* do_accept() Must return target values and target errnos. */
1845: static abi_long do_accept(int fd, abi_ulong target_addr,
1846: abi_ulong target_addrlen_addr)
1.1.1.5 root 1847: {
1.1.1.6 root 1848: socklen_t addrlen;
1849: void *addr;
1850: abi_long ret;
1851:
1.1.1.8 root 1852: if (target_addr == 0)
1853: return get_errno(accept(fd, NULL, NULL));
1854:
1855: /* linux returns EINVAL if addrlen pointer is invalid */
1.1.1.6 root 1856: if (get_user_u32(addrlen, target_addrlen_addr))
1.1.1.8 root 1857: return -TARGET_EINVAL;
1858:
1.1.1.11 root 1859: if ((int)addrlen < 0) {
1.1.1.8 root 1860: return -TARGET_EINVAL;
1.1.1.11 root 1861: }
1.1.1.6 root 1862:
1.1.1.8 root 1863: if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1.1.1.7 root 1864: return -TARGET_EINVAL;
1865:
1.1.1.6 root 1866: addr = alloca(addrlen);
1.1.1.5 root 1867:
1868: ret = get_errno(accept(fd, addr, &addrlen));
1869: if (!is_error(ret)) {
1870: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1871: if (put_user_u32(addrlen, target_addrlen_addr))
1872: ret = -TARGET_EFAULT;
1.1.1.5 root 1873: }
1874: return ret;
1875: }
1876:
1.1.1.6 root 1877: /* do_getpeername() Must return target values and target errnos. */
1878: static abi_long do_getpeername(int fd, abi_ulong target_addr,
1879: abi_ulong target_addrlen_addr)
1.1.1.5 root 1880: {
1.1.1.6 root 1881: socklen_t addrlen;
1882: void *addr;
1883: abi_long ret;
1884:
1885: if (get_user_u32(addrlen, target_addrlen_addr))
1886: return -TARGET_EFAULT;
1887:
1.1.1.11 root 1888: if ((int)addrlen < 0) {
1.1.1.7 root 1889: return -TARGET_EINVAL;
1.1.1.11 root 1890: }
1.1.1.7 root 1891:
1.1.1.8 root 1892: if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1893: return -TARGET_EFAULT;
1894:
1.1.1.6 root 1895: addr = alloca(addrlen);
1.1.1.5 root 1896:
1897: ret = get_errno(getpeername(fd, addr, &addrlen));
1898: if (!is_error(ret)) {
1899: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1900: if (put_user_u32(addrlen, target_addrlen_addr))
1901: ret = -TARGET_EFAULT;
1.1.1.5 root 1902: }
1903: return ret;
1904: }
1905:
1.1.1.6 root 1906: /* do_getsockname() Must return target values and target errnos. */
1907: static abi_long do_getsockname(int fd, abi_ulong target_addr,
1908: abi_ulong target_addrlen_addr)
1.1.1.5 root 1909: {
1.1.1.6 root 1910: socklen_t addrlen;
1911: void *addr;
1912: abi_long ret;
1913:
1914: if (get_user_u32(addrlen, target_addrlen_addr))
1915: return -TARGET_EFAULT;
1916:
1.1.1.11 root 1917: if ((int)addrlen < 0) {
1.1.1.7 root 1918: return -TARGET_EINVAL;
1.1.1.11 root 1919: }
1.1.1.7 root 1920:
1.1.1.8 root 1921: if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1922: return -TARGET_EFAULT;
1923:
1.1.1.6 root 1924: addr = alloca(addrlen);
1.1.1.5 root 1925:
1926: ret = get_errno(getsockname(fd, addr, &addrlen));
1927: if (!is_error(ret)) {
1928: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1929: if (put_user_u32(addrlen, target_addrlen_addr))
1930: ret = -TARGET_EFAULT;
1.1.1.5 root 1931: }
1932: return ret;
1933: }
1934:
1.1.1.6 root 1935: /* do_socketpair() Must return target values and target errnos. */
1936: static abi_long do_socketpair(int domain, int type, int protocol,
1937: abi_ulong target_tab_addr)
1.1.1.5 root 1938: {
1939: int tab[2];
1.1.1.6 root 1940: abi_long ret;
1.1.1.5 root 1941:
1942: ret = get_errno(socketpair(domain, type, protocol, tab));
1943: if (!is_error(ret)) {
1.1.1.6 root 1944: if (put_user_s32(tab[0], target_tab_addr)
1945: || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1946: ret = -TARGET_EFAULT;
1.1.1.5 root 1947: }
1948: return ret;
1949: }
1950:
1.1.1.6 root 1951: /* do_sendto() Must return target values and target errnos. */
1952: static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1953: abi_ulong target_addr, socklen_t addrlen)
1.1.1.5 root 1954: {
1955: void *addr;
1956: void *host_msg;
1.1.1.6 root 1957: abi_long ret;
1.1.1.5 root 1958:
1.1.1.11 root 1959: if ((int)addrlen < 0) {
1.1.1.7 root 1960: return -TARGET_EINVAL;
1.1.1.11 root 1961: }
1.1.1.7 root 1962:
1.1.1.6 root 1963: host_msg = lock_user(VERIFY_READ, msg, len, 1);
1964: if (!host_msg)
1965: return -TARGET_EFAULT;
1.1.1.5 root 1966: if (target_addr) {
1967: addr = alloca(addrlen);
1.1.1.8 root 1968: ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1969: if (ret) {
1970: unlock_user(host_msg, msg, 0);
1971: return ret;
1972: }
1.1.1.5 root 1973: ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1974: } else {
1975: ret = get_errno(send(fd, host_msg, len, flags));
1976: }
1977: unlock_user(host_msg, msg, 0);
1978: return ret;
1979: }
1980:
1.1.1.6 root 1981: /* do_recvfrom() Must return target values and target errnos. */
1982: static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1983: abi_ulong target_addr,
1984: abi_ulong target_addrlen)
1.1.1.5 root 1985: {
1986: socklen_t addrlen;
1987: void *addr;
1988: void *host_msg;
1.1.1.6 root 1989: abi_long ret;
1.1.1.5 root 1990:
1.1.1.6 root 1991: host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1992: if (!host_msg)
1993: return -TARGET_EFAULT;
1.1.1.5 root 1994: if (target_addr) {
1.1.1.6 root 1995: if (get_user_u32(addrlen, target_addrlen)) {
1996: ret = -TARGET_EFAULT;
1997: goto fail;
1998: }
1.1.1.11 root 1999: if ((int)addrlen < 0) {
1.1.1.7 root 2000: ret = -TARGET_EINVAL;
2001: goto fail;
2002: }
1.1.1.5 root 2003: addr = alloca(addrlen);
2004: ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
2005: } else {
2006: addr = NULL; /* To keep compiler quiet. */
1.1.1.12! root 2007: ret = get_errno(qemu_recv(fd, host_msg, len, flags));
1.1.1.5 root 2008: }
2009: if (!is_error(ret)) {
2010: if (target_addr) {
2011: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 2012: if (put_user_u32(addrlen, target_addrlen)) {
2013: ret = -TARGET_EFAULT;
2014: goto fail;
2015: }
1.1.1.5 root 2016: }
2017: unlock_user(host_msg, msg, len);
2018: } else {
1.1.1.6 root 2019: fail:
1.1.1.5 root 2020: unlock_user(host_msg, msg, 0);
2021: }
2022: return ret;
2023: }
2024:
1.1.1.6 root 2025: #ifdef TARGET_NR_socketcall
2026: /* do_socketcall() Must return target values and target errnos. */
2027: static abi_long do_socketcall(int num, abi_ulong vptr)
1.1 root 2028: {
1.1.1.6 root 2029: abi_long ret;
2030: const int n = sizeof(abi_ulong);
1.1 root 2031:
2032: switch(num) {
2033: case SOCKOP_socket:
2034: {
1.1.1.8 root 2035: abi_ulong domain, type, protocol;
1.1.1.6 root 2036:
1.1.1.8 root 2037: if (get_user_ual(domain, vptr)
2038: || get_user_ual(type, vptr + n)
2039: || get_user_ual(protocol, vptr + 2 * n))
1.1.1.6 root 2040: return -TARGET_EFAULT;
2041:
1.1.1.4 root 2042: ret = do_socket(domain, type, protocol);
1.1 root 2043: }
2044: break;
2045: case SOCKOP_bind:
2046: {
1.1.1.8 root 2047: abi_ulong sockfd;
1.1.1.6 root 2048: abi_ulong target_addr;
2049: socklen_t addrlen;
2050:
1.1.1.8 root 2051: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2052: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 2053: || get_user_ual(addrlen, vptr + 2 * n))
1.1.1.6 root 2054: return -TARGET_EFAULT;
2055:
1.1.1.4 root 2056: ret = do_bind(sockfd, target_addr, addrlen);
1.1 root 2057: }
2058: break;
2059: case SOCKOP_connect:
2060: {
1.1.1.8 root 2061: abi_ulong sockfd;
1.1.1.6 root 2062: abi_ulong target_addr;
2063: socklen_t addrlen;
2064:
1.1.1.8 root 2065: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2066: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 2067: || get_user_ual(addrlen, vptr + 2 * n))
1.1.1.6 root 2068: return -TARGET_EFAULT;
2069:
1.1.1.4 root 2070: ret = do_connect(sockfd, target_addr, addrlen);
1.1 root 2071: }
2072: break;
2073: case SOCKOP_listen:
2074: {
1.1.1.8 root 2075: abi_ulong sockfd, backlog;
1.1.1.6 root 2076:
1.1.1.8 root 2077: if (get_user_ual(sockfd, vptr)
2078: || get_user_ual(backlog, vptr + n))
1.1.1.6 root 2079: return -TARGET_EFAULT;
2080:
1.1 root 2081: ret = get_errno(listen(sockfd, backlog));
2082: }
2083: break;
2084: case SOCKOP_accept:
2085: {
1.1.1.8 root 2086: abi_ulong sockfd;
1.1.1.6 root 2087: abi_ulong target_addr, target_addrlen;
2088:
1.1.1.8 root 2089: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2090: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 2091: || get_user_ual(target_addrlen, vptr + 2 * n))
1.1.1.6 root 2092: return -TARGET_EFAULT;
2093:
1.1.1.5 root 2094: ret = do_accept(sockfd, target_addr, target_addrlen);
1.1 root 2095: }
2096: break;
2097: case SOCKOP_getsockname:
2098: {
1.1.1.8 root 2099: abi_ulong sockfd;
1.1.1.6 root 2100: abi_ulong target_addr, target_addrlen;
2101:
1.1.1.8 root 2102: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2103: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 2104: || get_user_ual(target_addrlen, vptr + 2 * n))
1.1.1.6 root 2105: return -TARGET_EFAULT;
2106:
1.1.1.5 root 2107: ret = do_getsockname(sockfd, target_addr, target_addrlen);
1.1 root 2108: }
2109: break;
2110: case SOCKOP_getpeername:
2111: {
1.1.1.8 root 2112: abi_ulong sockfd;
1.1.1.6 root 2113: abi_ulong target_addr, target_addrlen;
2114:
1.1.1.8 root 2115: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2116: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 2117: || get_user_ual(target_addrlen, vptr + 2 * n))
1.1.1.6 root 2118: return -TARGET_EFAULT;
2119:
1.1.1.5 root 2120: ret = do_getpeername(sockfd, target_addr, target_addrlen);
1.1 root 2121: }
2122: break;
2123: case SOCKOP_socketpair:
2124: {
1.1.1.8 root 2125: abi_ulong domain, type, protocol;
1.1.1.6 root 2126: abi_ulong tab;
2127:
1.1.1.8 root 2128: if (get_user_ual(domain, vptr)
2129: || get_user_ual(type, vptr + n)
2130: || get_user_ual(protocol, vptr + 2 * n)
1.1.1.6 root 2131: || get_user_ual(tab, vptr + 3 * n))
2132: return -TARGET_EFAULT;
2133:
1.1.1.5 root 2134: ret = do_socketpair(domain, type, protocol, tab);
1.1 root 2135: }
2136: break;
2137: case SOCKOP_send:
2138: {
1.1.1.8 root 2139: abi_ulong sockfd;
1.1.1.6 root 2140: abi_ulong msg;
2141: size_t len;
1.1.1.8 root 2142: abi_ulong flags;
1.1.1.6 root 2143:
1.1.1.8 root 2144: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2145: || get_user_ual(msg, vptr + n)
2146: || get_user_ual(len, vptr + 2 * n)
1.1.1.8 root 2147: || get_user_ual(flags, vptr + 3 * n))
1.1.1.6 root 2148: return -TARGET_EFAULT;
2149:
1.1.1.5 root 2150: ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1.1 root 2151: }
2152: break;
2153: case SOCKOP_recv:
2154: {
1.1.1.8 root 2155: abi_ulong sockfd;
1.1.1.6 root 2156: abi_ulong msg;
2157: size_t len;
1.1.1.8 root 2158: abi_ulong flags;
1.1.1.6 root 2159:
1.1.1.8 root 2160: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2161: || get_user_ual(msg, vptr + n)
2162: || get_user_ual(len, vptr + 2 * n)
1.1.1.8 root 2163: || get_user_ual(flags, vptr + 3 * n))
1.1.1.6 root 2164: return -TARGET_EFAULT;
2165:
1.1.1.5 root 2166: ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1.1 root 2167: }
2168: break;
2169: case SOCKOP_sendto:
2170: {
1.1.1.8 root 2171: abi_ulong sockfd;
1.1.1.6 root 2172: abi_ulong msg;
2173: size_t len;
1.1.1.8 root 2174: abi_ulong flags;
1.1.1.6 root 2175: abi_ulong addr;
2176: socklen_t addrlen;
2177:
1.1.1.8 root 2178: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2179: || get_user_ual(msg, vptr + n)
2180: || get_user_ual(len, vptr + 2 * n)
1.1.1.8 root 2181: || get_user_ual(flags, vptr + 3 * n)
1.1.1.6 root 2182: || get_user_ual(addr, vptr + 4 * n)
1.1.1.8 root 2183: || get_user_ual(addrlen, vptr + 5 * n))
1.1.1.6 root 2184: return -TARGET_EFAULT;
2185:
1.1.1.5 root 2186: ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1.1 root 2187: }
2188: break;
2189: case SOCKOP_recvfrom:
2190: {
1.1.1.8 root 2191: abi_ulong sockfd;
1.1.1.6 root 2192: abi_ulong msg;
2193: size_t len;
1.1.1.8 root 2194: abi_ulong flags;
1.1.1.6 root 2195: abi_ulong addr;
2196: socklen_t addrlen;
2197:
1.1.1.8 root 2198: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2199: || get_user_ual(msg, vptr + n)
2200: || get_user_ual(len, vptr + 2 * n)
1.1.1.8 root 2201: || get_user_ual(flags, vptr + 3 * n)
1.1.1.6 root 2202: || get_user_ual(addr, vptr + 4 * n)
1.1.1.8 root 2203: || get_user_ual(addrlen, vptr + 5 * n))
1.1.1.6 root 2204: return -TARGET_EFAULT;
2205:
1.1.1.5 root 2206: ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1.1 root 2207: }
2208: break;
2209: case SOCKOP_shutdown:
2210: {
1.1.1.8 root 2211: abi_ulong sockfd, how;
1.1.1.6 root 2212:
1.1.1.8 root 2213: if (get_user_ual(sockfd, vptr)
2214: || get_user_ual(how, vptr + n))
1.1.1.6 root 2215: return -TARGET_EFAULT;
1.1 root 2216:
2217: ret = get_errno(shutdown(sockfd, how));
2218: }
2219: break;
2220: case SOCKOP_sendmsg:
2221: case SOCKOP_recvmsg:
2222: {
1.1.1.8 root 2223: abi_ulong fd;
1.1.1.6 root 2224: abi_ulong target_msg;
1.1.1.8 root 2225: abi_ulong flags;
1.1 root 2226:
1.1.1.8 root 2227: if (get_user_ual(fd, vptr)
1.1.1.6 root 2228: || get_user_ual(target_msg, vptr + n)
1.1.1.8 root 2229: || get_user_ual(flags, vptr + 2 * n))
1.1.1.6 root 2230: return -TARGET_EFAULT;
1.1.1.4 root 2231:
1.1.1.6 root 2232: ret = do_sendrecvmsg(fd, target_msg, flags,
1.1.1.4 root 2233: (num == SOCKOP_sendmsg));
1.1 root 2234: }
2235: break;
2236: case SOCKOP_setsockopt:
2237: {
1.1.1.8 root 2238: abi_ulong sockfd;
2239: abi_ulong level;
2240: abi_ulong optname;
1.1.1.6 root 2241: abi_ulong optval;
2242: socklen_t optlen;
2243:
1.1.1.8 root 2244: if (get_user_ual(sockfd, vptr)
2245: || get_user_ual(level, vptr + n)
2246: || get_user_ual(optname, vptr + 2 * n)
1.1.1.6 root 2247: || get_user_ual(optval, vptr + 3 * n)
1.1.1.8 root 2248: || get_user_ual(optlen, vptr + 4 * n))
1.1.1.6 root 2249: return -TARGET_EFAULT;
1.1 root 2250:
2251: ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2252: }
2253: break;
2254: case SOCKOP_getsockopt:
2255: {
1.1.1.8 root 2256: abi_ulong sockfd;
2257: abi_ulong level;
2258: abi_ulong optname;
1.1.1.6 root 2259: abi_ulong optval;
2260: socklen_t optlen;
2261:
1.1.1.8 root 2262: if (get_user_ual(sockfd, vptr)
2263: || get_user_ual(level, vptr + n)
2264: || get_user_ual(optname, vptr + 2 * n)
1.1.1.6 root 2265: || get_user_ual(optval, vptr + 3 * n)
1.1.1.8 root 2266: || get_user_ual(optlen, vptr + 4 * n))
1.1.1.6 root 2267: return -TARGET_EFAULT;
1.1 root 2268:
1.1.1.6 root 2269: ret = do_getsockopt(sockfd, level, optname, optval, optlen);
1.1 root 2270: }
2271: break;
2272: default:
2273: gemu_log("Unsupported socketcall: %d\n", num);
1.1.1.6 root 2274: ret = -TARGET_ENOSYS;
1.1 root 2275: break;
2276: }
2277: return ret;
2278: }
1.1.1.6 root 2279: #endif
1.1 root 2280:
2281: #define N_SHM_REGIONS 32
2282:
2283: static struct shm_region {
1.1.1.6 root 2284: abi_ulong start;
2285: abi_ulong size;
1.1 root 2286: } shm_regions[N_SHM_REGIONS];
2287:
1.1.1.6 root 2288: struct target_ipc_perm
2289: {
2290: abi_long __key;
2291: abi_ulong uid;
2292: abi_ulong gid;
2293: abi_ulong cuid;
2294: abi_ulong cgid;
2295: unsigned short int mode;
2296: unsigned short int __pad1;
2297: unsigned short int __seq;
2298: unsigned short int __pad2;
2299: abi_ulong __unused1;
2300: abi_ulong __unused2;
2301: };
2302:
2303: struct target_semid_ds
2304: {
2305: struct target_ipc_perm sem_perm;
2306: abi_ulong sem_otime;
2307: abi_ulong __unused1;
2308: abi_ulong sem_ctime;
2309: abi_ulong __unused2;
2310: abi_ulong sem_nsems;
2311: abi_ulong __unused3;
2312: abi_ulong __unused4;
2313: };
2314:
2315: static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2316: abi_ulong target_addr)
2317: {
2318: struct target_ipc_perm *target_ip;
2319: struct target_semid_ds *target_sd;
2320:
2321: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2322: return -TARGET_EFAULT;
1.1.1.9 root 2323: target_ip = &(target_sd->sem_perm);
1.1.1.6 root 2324: host_ip->__key = tswapl(target_ip->__key);
2325: host_ip->uid = tswapl(target_ip->uid);
2326: host_ip->gid = tswapl(target_ip->gid);
2327: host_ip->cuid = tswapl(target_ip->cuid);
2328: host_ip->cgid = tswapl(target_ip->cgid);
2329: host_ip->mode = tswapl(target_ip->mode);
2330: unlock_user_struct(target_sd, target_addr, 0);
2331: return 0;
2332: }
2333:
2334: static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2335: struct ipc_perm *host_ip)
2336: {
2337: struct target_ipc_perm *target_ip;
2338: struct target_semid_ds *target_sd;
2339:
2340: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2341: return -TARGET_EFAULT;
2342: target_ip = &(target_sd->sem_perm);
2343: target_ip->__key = tswapl(host_ip->__key);
2344: target_ip->uid = tswapl(host_ip->uid);
2345: target_ip->gid = tswapl(host_ip->gid);
2346: target_ip->cuid = tswapl(host_ip->cuid);
2347: target_ip->cgid = tswapl(host_ip->cgid);
2348: target_ip->mode = tswapl(host_ip->mode);
2349: unlock_user_struct(target_sd, target_addr, 1);
2350: return 0;
2351: }
2352:
2353: static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2354: abi_ulong target_addr)
2355: {
2356: struct target_semid_ds *target_sd;
2357:
2358: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2359: return -TARGET_EFAULT;
1.1.1.8 root 2360: if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2361: return -TARGET_EFAULT;
1.1.1.6 root 2362: host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2363: host_sd->sem_otime = tswapl(target_sd->sem_otime);
2364: host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2365: unlock_user_struct(target_sd, target_addr, 0);
2366: return 0;
2367: }
2368:
2369: static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2370: struct semid_ds *host_sd)
2371: {
2372: struct target_semid_ds *target_sd;
2373:
2374: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2375: return -TARGET_EFAULT;
1.1.1.8 root 2376: if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2377: return -TARGET_EFAULT;;
1.1.1.6 root 2378: target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2379: target_sd->sem_otime = tswapl(host_sd->sem_otime);
2380: target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2381: unlock_user_struct(target_sd, target_addr, 1);
2382: return 0;
2383: }
2384:
1.1.1.8 root 2385: struct target_seminfo {
2386: int semmap;
2387: int semmni;
2388: int semmns;
2389: int semmnu;
2390: int semmsl;
2391: int semopm;
2392: int semume;
2393: int semusz;
2394: int semvmx;
2395: int semaem;
2396: };
2397:
2398: static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2399: struct seminfo *host_seminfo)
2400: {
2401: struct target_seminfo *target_seminfo;
2402: if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2403: return -TARGET_EFAULT;
2404: __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2405: __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2406: __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2407: __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2408: __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2409: __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2410: __put_user(host_seminfo->semume, &target_seminfo->semume);
2411: __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2412: __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2413: __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2414: unlock_user_struct(target_seminfo, target_addr, 1);
2415: return 0;
2416: }
2417:
1.1.1.5 root 2418: union semun {
2419: int val;
1.1.1.6 root 2420: struct semid_ds *buf;
1.1.1.5 root 2421: unsigned short *array;
1.1.1.8 root 2422: struct seminfo *__buf;
1.1.1.5 root 2423: };
2424:
1.1.1.6 root 2425: union target_semun {
2426: int val;
1.1.1.8 root 2427: abi_ulong buf;
2428: abi_ulong array;
2429: abi_ulong __buf;
1.1.1.6 root 2430: };
2431:
1.1.1.8 root 2432: static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2433: abi_ulong target_addr)
1.1.1.6 root 2434: {
1.1.1.8 root 2435: int nsems;
2436: unsigned short *array;
2437: union semun semun;
2438: struct semid_ds semid_ds;
2439: int i, ret;
1.1.1.6 root 2440:
1.1.1.8 root 2441: semun.buf = &semid_ds;
2442:
2443: ret = semctl(semid, 0, IPC_STAT, semun);
2444: if (ret == -1)
2445: return get_errno(ret);
2446:
2447: nsems = semid_ds.sem_nsems;
2448:
2449: *host_array = malloc(nsems*sizeof(unsigned short));
2450: array = lock_user(VERIFY_READ, target_addr,
2451: nsems*sizeof(unsigned short), 1);
2452: if (!array)
2453: return -TARGET_EFAULT;
2454:
2455: for(i=0; i<nsems; i++) {
2456: __get_user((*host_array)[i], &array[i]);
1.1.1.6 root 2457: }
1.1.1.8 root 2458: unlock_user(array, target_addr, 0);
2459:
1.1.1.6 root 2460: return 0;
2461: }
2462:
1.1.1.8 root 2463: static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2464: unsigned short **host_array)
1.1.1.6 root 2465: {
1.1.1.8 root 2466: int nsems;
2467: unsigned short *array;
2468: union semun semun;
2469: struct semid_ds semid_ds;
2470: int i, ret;
1.1.1.6 root 2471:
1.1.1.8 root 2472: semun.buf = &semid_ds;
2473:
2474: ret = semctl(semid, 0, IPC_STAT, semun);
2475: if (ret == -1)
2476: return get_errno(ret);
2477:
2478: nsems = semid_ds.sem_nsems;
2479:
2480: array = lock_user(VERIFY_WRITE, target_addr,
2481: nsems*sizeof(unsigned short), 0);
2482: if (!array)
2483: return -TARGET_EFAULT;
2484:
2485: for(i=0; i<nsems; i++) {
2486: __put_user((*host_array)[i], &array[i]);
1.1.1.6 root 2487: }
1.1.1.8 root 2488: free(*host_array);
2489: unlock_user(array, target_addr, 1);
2490:
1.1.1.6 root 2491: return 0;
2492: }
2493:
1.1.1.8 root 2494: static inline abi_long do_semctl(int semid, int semnum, int cmd,
2495: union target_semun target_su)
1.1.1.6 root 2496: {
2497: union semun arg;
2498: struct semid_ds dsarg;
1.1.1.8 root 2499: unsigned short *array = NULL;
2500: struct seminfo seminfo;
2501: abi_long ret = -TARGET_EINVAL;
2502: abi_long err;
2503: cmd &= 0xff;
1.1.1.6 root 2504:
2505: switch( cmd ) {
2506: case GETVAL:
2507: case SETVAL:
1.1.1.8 root 2508: arg.val = tswapl(target_su.val);
2509: ret = get_errno(semctl(semid, semnum, cmd, arg));
2510: target_su.val = tswapl(arg.val);
1.1.1.6 root 2511: break;
2512: case GETALL:
2513: case SETALL:
1.1.1.8 root 2514: err = target_to_host_semarray(semid, &array, target_su.array);
2515: if (err)
2516: return err;
2517: arg.array = array;
2518: ret = get_errno(semctl(semid, semnum, cmd, arg));
2519: err = host_to_target_semarray(semid, target_su.array, &array);
2520: if (err)
2521: return err;
1.1.1.6 root 2522: break;
2523: case IPC_STAT:
2524: case IPC_SET:
1.1.1.8 root 2525: case SEM_STAT:
2526: err = target_to_host_semid_ds(&dsarg, target_su.buf);
2527: if (err)
2528: return err;
2529: arg.buf = &dsarg;
2530: ret = get_errno(semctl(semid, semnum, cmd, arg));
2531: err = host_to_target_semid_ds(target_su.buf, &dsarg);
2532: if (err)
2533: return err;
2534: break;
2535: case IPC_INFO:
2536: case SEM_INFO:
2537: arg.__buf = &seminfo;
2538: ret = get_errno(semctl(semid, semnum, cmd, arg));
2539: err = host_to_target_seminfo(target_su.__buf, &seminfo);
2540: if (err)
2541: return err;
2542: break;
2543: case IPC_RMID:
2544: case GETPID:
2545: case GETNCNT:
2546: case GETZCNT:
2547: ret = get_errno(semctl(semid, semnum, cmd, NULL));
1.1.1.6 root 2548: break;
2549: }
2550:
2551: return ret;
2552: }
2553:
1.1.1.8 root 2554: struct target_sembuf {
2555: unsigned short sem_num;
2556: short sem_op;
2557: short sem_flg;
2558: };
2559:
2560: static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2561: abi_ulong target_addr,
2562: unsigned nsops)
2563: {
2564: struct target_sembuf *target_sembuf;
2565: int i;
2566:
2567: target_sembuf = lock_user(VERIFY_READ, target_addr,
2568: nsops*sizeof(struct target_sembuf), 1);
2569: if (!target_sembuf)
2570: return -TARGET_EFAULT;
2571:
2572: for(i=0; i<nsops; i++) {
2573: __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2574: __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2575: __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2576: }
2577:
2578: unlock_user(target_sembuf, target_addr, 0);
2579:
2580: return 0;
2581: }
2582:
2583: static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2584: {
2585: struct sembuf sops[nsops];
2586:
2587: if (target_to_host_sembuf(sops, ptr, nsops))
2588: return -TARGET_EFAULT;
2589:
2590: return semop(semid, sops, nsops);
2591: }
2592:
1.1.1.6 root 2593: struct target_msqid_ds
2594: {
1.1.1.7 root 2595: struct target_ipc_perm msg_perm;
2596: abi_ulong msg_stime;
2597: #if TARGET_ABI_BITS == 32
2598: abi_ulong __unused1;
2599: #endif
2600: abi_ulong msg_rtime;
2601: #if TARGET_ABI_BITS == 32
2602: abi_ulong __unused2;
2603: #endif
2604: abi_ulong msg_ctime;
2605: #if TARGET_ABI_BITS == 32
2606: abi_ulong __unused3;
2607: #endif
2608: abi_ulong __msg_cbytes;
2609: abi_ulong msg_qnum;
2610: abi_ulong msg_qbytes;
2611: abi_ulong msg_lspid;
2612: abi_ulong msg_lrpid;
2613: abi_ulong __unused4;
2614: abi_ulong __unused5;
1.1.1.6 root 2615: };
2616:
2617: static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2618: abi_ulong target_addr)
2619: {
2620: struct target_msqid_ds *target_md;
2621:
2622: if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2623: return -TARGET_EFAULT;
1.1.1.7 root 2624: if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2625: return -TARGET_EFAULT;
1.1.1.6 root 2626: host_md->msg_stime = tswapl(target_md->msg_stime);
2627: host_md->msg_rtime = tswapl(target_md->msg_rtime);
2628: host_md->msg_ctime = tswapl(target_md->msg_ctime);
2629: host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2630: host_md->msg_qnum = tswapl(target_md->msg_qnum);
2631: host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2632: host_md->msg_lspid = tswapl(target_md->msg_lspid);
2633: host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2634: unlock_user_struct(target_md, target_addr, 0);
2635: return 0;
2636: }
2637:
2638: static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2639: struct msqid_ds *host_md)
2640: {
2641: struct target_msqid_ds *target_md;
2642:
2643: if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2644: return -TARGET_EFAULT;
1.1.1.7 root 2645: if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2646: return -TARGET_EFAULT;
1.1.1.6 root 2647: target_md->msg_stime = tswapl(host_md->msg_stime);
2648: target_md->msg_rtime = tswapl(host_md->msg_rtime);
2649: target_md->msg_ctime = tswapl(host_md->msg_ctime);
2650: target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2651: target_md->msg_qnum = tswapl(host_md->msg_qnum);
2652: target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2653: target_md->msg_lspid = tswapl(host_md->msg_lspid);
2654: target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2655: unlock_user_struct(target_md, target_addr, 1);
2656: return 0;
2657: }
2658:
1.1.1.7 root 2659: struct target_msginfo {
2660: int msgpool;
2661: int msgmap;
2662: int msgmax;
2663: int msgmnb;
2664: int msgmni;
2665: int msgssz;
2666: int msgtql;
2667: unsigned short int msgseg;
2668: };
2669:
1.1.1.8 root 2670: static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2671: struct msginfo *host_msginfo)
2672: {
2673: struct target_msginfo *target_msginfo;
2674: if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2675: return -TARGET_EFAULT;
2676: __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2677: __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2678: __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2679: __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2680: __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2681: __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2682: __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2683: __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2684: unlock_user_struct(target_msginfo, target_addr, 1);
2685: return 0;
2686: }
2687:
2688: static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
2689: {
2690: struct msqid_ds dsarg;
2691: struct msginfo msginfo;
2692: abi_long ret = -TARGET_EINVAL;
2693:
2694: cmd &= 0xff;
2695:
2696: switch (cmd) {
2697: case IPC_STAT:
2698: case IPC_SET:
2699: case MSG_STAT:
2700: if (target_to_host_msqid_ds(&dsarg,ptr))
2701: return -TARGET_EFAULT;
2702: ret = get_errno(msgctl(msgid, cmd, &dsarg));
2703: if (host_to_target_msqid_ds(ptr,&dsarg))
2704: return -TARGET_EFAULT;
2705: break;
2706: case IPC_RMID:
2707: ret = get_errno(msgctl(msgid, cmd, NULL));
2708: break;
2709: case IPC_INFO:
2710: case MSG_INFO:
2711: ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2712: if (host_to_target_msginfo(ptr, &msginfo))
2713: return -TARGET_EFAULT;
2714: break;
2715: }
2716:
2717: return ret;
2718: }
2719:
2720: struct target_msgbuf {
2721: abi_long mtype;
2722: char mtext[1];
2723: };
2724:
2725: static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2726: unsigned int msgsz, int msgflg)
2727: {
2728: struct target_msgbuf *target_mb;
2729: struct msgbuf *host_mb;
2730: abi_long ret = 0;
2731:
2732: if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2733: return -TARGET_EFAULT;
2734: host_mb = malloc(msgsz+sizeof(long));
2735: host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2736: memcpy(host_mb->mtext, target_mb->mtext, msgsz);
2737: ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2738: free(host_mb);
2739: unlock_user_struct(target_mb, msgp, 0);
2740:
2741: return ret;
2742: }
2743:
2744: static inline abi_long do_msgrcv(int msqid, abi_long msgp,
2745: unsigned int msgsz, abi_long msgtyp,
2746: int msgflg)
2747: {
2748: struct target_msgbuf *target_mb;
2749: char *target_mtext;
2750: struct msgbuf *host_mb;
2751: abi_long ret = 0;
2752:
2753: if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2754: return -TARGET_EFAULT;
2755:
2756: host_mb = malloc(msgsz+sizeof(long));
2757: ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2758:
2759: if (ret > 0) {
2760: abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2761: target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2762: if (!target_mtext) {
2763: ret = -TARGET_EFAULT;
2764: goto end;
2765: }
2766: memcpy(target_mb->mtext, host_mb->mtext, ret);
2767: unlock_user(target_mtext, target_mtext_addr, ret);
2768: }
2769:
2770: target_mb->mtype = tswapl(host_mb->mtype);
2771: free(host_mb);
2772:
2773: end:
2774: if (target_mb)
2775: unlock_user_struct(target_mb, msgp, 1);
2776: return ret;
2777: }
2778:
2779: struct target_shmid_ds
2780: {
2781: struct target_ipc_perm shm_perm;
2782: abi_ulong shm_segsz;
2783: abi_ulong shm_atime;
2784: #if TARGET_ABI_BITS == 32
2785: abi_ulong __unused1;
2786: #endif
2787: abi_ulong shm_dtime;
2788: #if TARGET_ABI_BITS == 32
2789: abi_ulong __unused2;
2790: #endif
2791: abi_ulong shm_ctime;
2792: #if TARGET_ABI_BITS == 32
2793: abi_ulong __unused3;
2794: #endif
2795: int shm_cpid;
2796: int shm_lpid;
2797: abi_ulong shm_nattch;
2798: unsigned long int __unused4;
2799: unsigned long int __unused5;
2800: };
2801:
2802: static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2803: abi_ulong target_addr)
2804: {
2805: struct target_shmid_ds *target_sd;
2806:
2807: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2808: return -TARGET_EFAULT;
2809: if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2810: return -TARGET_EFAULT;
2811: __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2812: __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2813: __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2814: __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2815: __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2816: __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2817: __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2818: unlock_user_struct(target_sd, target_addr, 0);
2819: return 0;
2820: }
2821:
2822: static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2823: struct shmid_ds *host_sd)
2824: {
2825: struct target_shmid_ds *target_sd;
2826:
2827: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2828: return -TARGET_EFAULT;
2829: if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2830: return -TARGET_EFAULT;
2831: __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2832: __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2833: __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2834: __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2835: __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2836: __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2837: __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2838: unlock_user_struct(target_sd, target_addr, 1);
2839: return 0;
2840: }
2841:
2842: struct target_shminfo {
2843: abi_ulong shmmax;
2844: abi_ulong shmmin;
2845: abi_ulong shmmni;
2846: abi_ulong shmseg;
2847: abi_ulong shmall;
2848: };
2849:
2850: static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2851: struct shminfo *host_shminfo)
2852: {
2853: struct target_shminfo *target_shminfo;
2854: if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2855: return -TARGET_EFAULT;
2856: __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2857: __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2858: __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2859: __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2860: __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2861: unlock_user_struct(target_shminfo, target_addr, 1);
2862: return 0;
2863: }
2864:
2865: struct target_shm_info {
2866: int used_ids;
2867: abi_ulong shm_tot;
2868: abi_ulong shm_rss;
2869: abi_ulong shm_swp;
2870: abi_ulong swap_attempts;
2871: abi_ulong swap_successes;
2872: };
2873:
2874: static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2875: struct shm_info *host_shm_info)
1.1.1.7 root 2876: {
1.1.1.8 root 2877: struct target_shm_info *target_shm_info;
2878: if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
1.1.1.7 root 2879: return -TARGET_EFAULT;
1.1.1.8 root 2880: __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2881: __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2882: __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2883: __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2884: __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2885: __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2886: unlock_user_struct(target_shm_info, target_addr, 1);
1.1.1.7 root 2887: return 0;
2888: }
2889:
1.1.1.8 root 2890: static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
1.1.1.6 root 2891: {
1.1.1.8 root 2892: struct shmid_ds dsarg;
2893: struct shminfo shminfo;
2894: struct shm_info shm_info;
1.1.1.7 root 2895: abi_long ret = -TARGET_EINVAL;
2896:
2897: cmd &= 0xff;
2898:
1.1.1.8 root 2899: switch(cmd) {
1.1.1.6 root 2900: case IPC_STAT:
2901: case IPC_SET:
1.1.1.8 root 2902: case SHM_STAT:
2903: if (target_to_host_shmid_ds(&dsarg, buf))
1.1.1.7 root 2904: return -TARGET_EFAULT;
1.1.1.8 root 2905: ret = get_errno(shmctl(shmid, cmd, &dsarg));
2906: if (host_to_target_shmid_ds(buf, &dsarg))
1.1.1.7 root 2907: return -TARGET_EFAULT;
2908: break;
2909: case IPC_INFO:
1.1.1.8 root 2910: ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2911: if (host_to_target_shminfo(buf, &shminfo))
1.1.1.7 root 2912: return -TARGET_EFAULT;
2913: break;
1.1.1.8 root 2914: case SHM_INFO:
2915: ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2916: if (host_to_target_shm_info(buf, &shm_info))
2917: return -TARGET_EFAULT;
2918: break;
2919: case IPC_RMID:
2920: case SHM_LOCK:
2921: case SHM_UNLOCK:
2922: ret = get_errno(shmctl(shmid, cmd, NULL));
2923: break;
1.1.1.6 root 2924: }
1.1.1.7 root 2925:
1.1.1.6 root 2926: return ret;
2927: }
2928:
1.1.1.8 root 2929: static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
1.1.1.6 root 2930: {
1.1.1.8 root 2931: abi_long raddr;
2932: void *host_raddr;
2933: struct shmid_ds shm_info;
2934: int i,ret;
1.1.1.6 root 2935:
1.1.1.8 root 2936: /* find out the length of the shared memory segment */
2937: ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2938: if (is_error(ret)) {
2939: /* can't get length, bail out */
2940: return ret;
2941: }
1.1.1.6 root 2942:
1.1.1.8 root 2943: mmap_lock();
1.1.1.6 root 2944:
1.1.1.8 root 2945: if (shmaddr)
2946: host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2947: else {
2948: abi_ulong mmap_start;
1.1.1.6 root 2949:
1.1.1.8 root 2950: mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
1.1.1.7 root 2951:
1.1.1.8 root 2952: if (mmap_start == -1) {
2953: errno = ENOMEM;
2954: host_raddr = (void *)-1;
2955: } else
2956: host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2957: }
1.1.1.7 root 2958:
1.1.1.8 root 2959: if (host_raddr == (void *)-1) {
2960: mmap_unlock();
2961: return get_errno((long)host_raddr);
2962: }
2963: raddr=h2g((unsigned long)host_raddr);
2964:
2965: page_set_flags(raddr, raddr + shm_info.shm_segsz,
2966: PAGE_VALID | PAGE_READ |
2967: ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2968:
2969: for (i = 0; i < N_SHM_REGIONS; i++) {
2970: if (shm_regions[i].start == 0) {
2971: shm_regions[i].start = raddr;
2972: shm_regions[i].size = shm_info.shm_segsz;
2973: break;
1.1.1.6 root 2974: }
2975: }
1.1.1.7 root 2976:
1.1.1.8 root 2977: mmap_unlock();
2978: return raddr;
1.1.1.6 root 2979:
1.1.1.8 root 2980: }
2981:
2982: static inline abi_long do_shmdt(abi_ulong shmaddr)
2983: {
2984: int i;
2985:
2986: for (i = 0; i < N_SHM_REGIONS; ++i) {
2987: if (shm_regions[i].start == shmaddr) {
2988: shm_regions[i].start = 0;
1.1.1.10 root 2989: page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
1.1.1.8 root 2990: break;
2991: }
2992: }
2993:
2994: return get_errno(shmdt(g2h(shmaddr)));
1.1.1.6 root 2995: }
2996:
1.1.1.7 root 2997: #ifdef TARGET_NR_ipc
1.1.1.3 root 2998: /* ??? This only works with linear mappings. */
1.1.1.6 root 2999: /* do_ipc() must return target values and target errnos. */
3000: static abi_long do_ipc(unsigned int call, int first,
3001: int second, int third,
3002: abi_long ptr, abi_long fifth)
1.1 root 3003: {
3004: int version;
1.1.1.6 root 3005: abi_long ret = 0;
1.1 root 3006:
3007: version = call >> 16;
3008: call &= 0xffff;
3009:
3010: switch (call) {
1.1.1.5 root 3011: case IPCOP_semop:
1.1.1.8 root 3012: ret = do_semop(first, ptr, second);
1.1.1.5 root 3013: break;
3014:
3015: case IPCOP_semget:
3016: ret = get_errno(semget(first, second, third));
3017: break;
3018:
3019: case IPCOP_semctl:
1.1.1.8 root 3020: ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
1.1.1.5 root 3021: break;
3022:
1.1.1.7 root 3023: case IPCOP_msgget:
3024: ret = get_errno(msgget(first, second));
3025: break;
1.1.1.5 root 3026:
1.1.1.7 root 3027: case IPCOP_msgsnd:
3028: ret = do_msgsnd(first, ptr, second, third);
3029: break;
1.1.1.5 root 3030:
1.1.1.7 root 3031: case IPCOP_msgctl:
3032: ret = do_msgctl(first, second, ptr);
3033: break;
1.1.1.5 root 3034:
1.1.1.7 root 3035: case IPCOP_msgrcv:
3036: switch (version) {
3037: case 0:
3038: {
3039: struct target_ipc_kludge {
3040: abi_long msgp;
3041: abi_long msgtyp;
3042: } *tmp;
1.1.1.5 root 3043:
1.1.1.7 root 3044: if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
3045: ret = -TARGET_EFAULT;
3046: break;
3047: }
1.1.1.5 root 3048:
1.1.1.7 root 3049: ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
1.1.1.5 root 3050:
1.1.1.7 root 3051: unlock_user_struct(tmp, ptr, 0);
3052: break;
3053: }
3054: default:
3055: ret = do_msgrcv(first, ptr, second, fifth, third);
3056: }
3057: break;
1.1.1.5 root 3058:
1.1 root 3059: case IPCOP_shmat:
1.1.1.8 root 3060: switch (version) {
3061: default:
1.1.1.6 root 3062: {
3063: abi_ulong raddr;
1.1.1.8 root 3064: raddr = do_shmat(first, ptr, second);
3065: if (is_error(raddr))
3066: return get_errno(raddr);
1.1.1.6 root 3067: if (put_user_ual(raddr, third))
3068: return -TARGET_EFAULT;
1.1.1.8 root 3069: break;
3070: }
3071: case 1:
3072: ret = -TARGET_EINVAL;
3073: break;
1.1.1.6 root 3074: }
1.1 root 3075: break;
3076: case IPCOP_shmdt:
1.1.1.8 root 3077: ret = do_shmdt(ptr);
1.1 root 3078: break;
3079:
3080: case IPCOP_shmget:
3081: /* IPC_* flag values are the same on all linux platforms */
3082: ret = get_errno(shmget(first, second, third));
3083: break;
3084:
3085: /* IPC_* and SHM_* command values are the same on all linux platforms */
3086: case IPCOP_shmctl:
1.1.1.8 root 3087: ret = do_shmctl(first, second, third);
1.1 root 3088: break;
3089: default:
1.1.1.6 root 3090: gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
3091: ret = -TARGET_ENOSYS;
1.1 root 3092: break;
3093: }
3094: return ret;
3095: }
1.1.1.6 root 3096: #endif
1.1 root 3097:
3098: /* kernel structure types definitions */
3099:
1.1.1.8 root 3100: #define STRUCT(name, ...) STRUCT_ ## name,
1.1 root 3101: #define STRUCT_SPECIAL(name) STRUCT_ ## name,
3102: enum {
3103: #include "syscall_types.h"
3104: };
3105: #undef STRUCT
3106: #undef STRUCT_SPECIAL
3107:
1.1.1.8 root 3108: #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
1.1 root 3109: #define STRUCT_SPECIAL(name)
3110: #include "syscall_types.h"
3111: #undef STRUCT
3112: #undef STRUCT_SPECIAL
3113:
1.1.1.11 root 3114: typedef struct IOCTLEntry IOCTLEntry;
3115:
3116: typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
3117: int fd, abi_long cmd, abi_long arg);
3118:
3119: struct IOCTLEntry {
1.1 root 3120: unsigned int target_cmd;
3121: unsigned int host_cmd;
3122: const char *name;
3123: int access;
1.1.1.11 root 3124: do_ioctl_fn *do_ioctl;
1.1 root 3125: const argtype arg_type[5];
1.1.1.11 root 3126: };
1.1 root 3127:
3128: #define IOC_R 0x0001
3129: #define IOC_W 0x0002
3130: #define IOC_RW (IOC_R | IOC_W)
3131:
3132: #define MAX_STRUCT_SIZE 4096
3133:
1.1.1.11 root 3134: #ifdef CONFIG_FIEMAP
3135: /* So fiemap access checks don't overflow on 32 bit systems.
3136: * This is very slightly smaller than the limit imposed by
3137: * the underlying kernel.
3138: */
3139: #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3140: / sizeof(struct fiemap_extent))
3141:
3142: static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
3143: int fd, abi_long cmd, abi_long arg)
3144: {
3145: /* The parameter for this ioctl is a struct fiemap followed
3146: * by an array of struct fiemap_extent whose size is set
3147: * in fiemap->fm_extent_count. The array is filled in by the
3148: * ioctl.
3149: */
3150: int target_size_in, target_size_out;
3151: struct fiemap *fm;
3152: const argtype *arg_type = ie->arg_type;
3153: const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
3154: void *argptr, *p;
3155: abi_long ret;
3156: int i, extent_size = thunk_type_size(extent_arg_type, 0);
3157: uint32_t outbufsz;
3158: int free_fm = 0;
3159:
3160: assert(arg_type[0] == TYPE_PTR);
3161: assert(ie->access == IOC_RW);
3162: arg_type++;
3163: target_size_in = thunk_type_size(arg_type, 0);
3164: argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
3165: if (!argptr) {
3166: return -TARGET_EFAULT;
3167: }
3168: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3169: unlock_user(argptr, arg, 0);
3170: fm = (struct fiemap *)buf_temp;
3171: if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
3172: return -TARGET_EINVAL;
3173: }
3174:
3175: outbufsz = sizeof (*fm) +
3176: (sizeof(struct fiemap_extent) * fm->fm_extent_count);
3177:
3178: if (outbufsz > MAX_STRUCT_SIZE) {
3179: /* We can't fit all the extents into the fixed size buffer.
3180: * Allocate one that is large enough and use it instead.
3181: */
3182: fm = malloc(outbufsz);
3183: if (!fm) {
3184: return -TARGET_ENOMEM;
3185: }
3186: memcpy(fm, buf_temp, sizeof(struct fiemap));
3187: free_fm = 1;
3188: }
3189: ret = get_errno(ioctl(fd, ie->host_cmd, fm));
3190: if (!is_error(ret)) {
3191: target_size_out = target_size_in;
3192: /* An extent_count of 0 means we were only counting the extents
3193: * so there are no structs to copy
3194: */
3195: if (fm->fm_extent_count != 0) {
3196: target_size_out += fm->fm_mapped_extents * extent_size;
3197: }
3198: argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
3199: if (!argptr) {
3200: ret = -TARGET_EFAULT;
3201: } else {
3202: /* Convert the struct fiemap */
3203: thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
3204: if (fm->fm_extent_count != 0) {
3205: p = argptr + target_size_in;
3206: /* ...and then all the struct fiemap_extents */
3207: for (i = 0; i < fm->fm_mapped_extents; i++) {
3208: thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
3209: THUNK_TARGET);
3210: p += extent_size;
3211: }
3212: }
3213: unlock_user(argptr, arg, target_size_out);
3214: }
3215: }
3216: if (free_fm) {
3217: free(fm);
3218: }
3219: return ret;
3220: }
3221: #endif
3222:
1.1.1.12! root 3223: static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
! 3224: int fd, abi_long cmd, abi_long arg)
! 3225: {
! 3226: const argtype *arg_type = ie->arg_type;
! 3227: int target_size;
! 3228: void *argptr;
! 3229: int ret;
! 3230: struct ifconf *host_ifconf;
! 3231: uint32_t outbufsz;
! 3232: const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
! 3233: int target_ifreq_size;
! 3234: int nb_ifreq;
! 3235: int free_buf = 0;
! 3236: int i;
! 3237: int target_ifc_len;
! 3238: abi_long target_ifc_buf;
! 3239: int host_ifc_len;
! 3240: char *host_ifc_buf;
! 3241:
! 3242: assert(arg_type[0] == TYPE_PTR);
! 3243: assert(ie->access == IOC_RW);
! 3244:
! 3245: arg_type++;
! 3246: target_size = thunk_type_size(arg_type, 0);
! 3247:
! 3248: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
! 3249: if (!argptr)
! 3250: return -TARGET_EFAULT;
! 3251: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
! 3252: unlock_user(argptr, arg, 0);
! 3253:
! 3254: host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
! 3255: target_ifc_len = host_ifconf->ifc_len;
! 3256: target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
! 3257:
! 3258: target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
! 3259: nb_ifreq = target_ifc_len / target_ifreq_size;
! 3260: host_ifc_len = nb_ifreq * sizeof(struct ifreq);
! 3261:
! 3262: outbufsz = sizeof(*host_ifconf) + host_ifc_len;
! 3263: if (outbufsz > MAX_STRUCT_SIZE) {
! 3264: /* We can't fit all the extents into the fixed size buffer.
! 3265: * Allocate one that is large enough and use it instead.
! 3266: */
! 3267: host_ifconf = malloc(outbufsz);
! 3268: if (!host_ifconf) {
! 3269: return -TARGET_ENOMEM;
! 3270: }
! 3271: memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
! 3272: free_buf = 1;
! 3273: }
! 3274: host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
! 3275:
! 3276: host_ifconf->ifc_len = host_ifc_len;
! 3277: host_ifconf->ifc_buf = host_ifc_buf;
! 3278:
! 3279: ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf));
! 3280: if (!is_error(ret)) {
! 3281: /* convert host ifc_len to target ifc_len */
! 3282:
! 3283: nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
! 3284: target_ifc_len = nb_ifreq * target_ifreq_size;
! 3285: host_ifconf->ifc_len = target_ifc_len;
! 3286:
! 3287: /* restore target ifc_buf */
! 3288:
! 3289: host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
! 3290:
! 3291: /* copy struct ifconf to target user */
! 3292:
! 3293: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
! 3294: if (!argptr)
! 3295: return -TARGET_EFAULT;
! 3296: thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
! 3297: unlock_user(argptr, arg, target_size);
! 3298:
! 3299: /* copy ifreq[] to target user */
! 3300:
! 3301: argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
! 3302: for (i = 0; i < nb_ifreq ; i++) {
! 3303: thunk_convert(argptr + i * target_ifreq_size,
! 3304: host_ifc_buf + i * sizeof(struct ifreq),
! 3305: ifreq_arg_type, THUNK_TARGET);
! 3306: }
! 3307: unlock_user(argptr, target_ifc_buf, target_ifc_len);
! 3308: }
! 3309:
! 3310: if (free_buf) {
! 3311: free(host_ifconf);
! 3312: }
! 3313:
! 3314: return ret;
! 3315: }
! 3316:
1.1.1.7 root 3317: static IOCTLEntry ioctl_entries[] = {
1.1.1.8 root 3318: #define IOCTL(cmd, access, ...) \
1.1.1.11 root 3319: { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3320: #define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3321: { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
1.1 root 3322: #include "ioctls.h"
3323: { 0, 0, },
3324: };
3325:
1.1.1.3 root 3326: /* ??? Implement proper locking for ioctls. */
1.1.1.6 root 3327: /* do_ioctl() Must return target values and target errnos. */
3328: static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
1.1 root 3329: {
3330: const IOCTLEntry *ie;
3331: const argtype *arg_type;
1.1.1.6 root 3332: abi_long ret;
1.1 root 3333: uint8_t buf_temp[MAX_STRUCT_SIZE];
1.1.1.3 root 3334: int target_size;
3335: void *argptr;
1.1 root 3336:
3337: ie = ioctl_entries;
3338: for(;;) {
3339: if (ie->target_cmd == 0) {
1.1.1.6 root 3340: gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
3341: return -TARGET_ENOSYS;
1.1 root 3342: }
3343: if (ie->target_cmd == cmd)
3344: break;
3345: ie++;
3346: }
3347: arg_type = ie->arg_type;
3348: #if defined(DEBUG)
1.1.1.6 root 3349: gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
1.1 root 3350: #endif
1.1.1.11 root 3351: if (ie->do_ioctl) {
3352: return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
3353: }
3354:
1.1 root 3355: switch(arg_type[0]) {
3356: case TYPE_NULL:
3357: /* no argument */
3358: ret = get_errno(ioctl(fd, ie->host_cmd));
3359: break;
3360: case TYPE_PTRVOID:
3361: case TYPE_INT:
3362: /* int argment */
3363: ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3364: break;
3365: case TYPE_PTR:
3366: arg_type++;
1.1.1.3 root 3367: target_size = thunk_type_size(arg_type, 0);
1.1 root 3368: switch(ie->access) {
3369: case IOC_R:
3370: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3371: if (!is_error(ret)) {
1.1.1.6 root 3372: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3373: if (!argptr)
3374: return -TARGET_EFAULT;
1.1.1.3 root 3375: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3376: unlock_user(argptr, arg, target_size);
1.1 root 3377: }
3378: break;
3379: case IOC_W:
1.1.1.6 root 3380: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3381: if (!argptr)
3382: return -TARGET_EFAULT;
1.1.1.3 root 3383: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3384: unlock_user(argptr, arg, 0);
1.1 root 3385: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3386: break;
3387: default:
3388: case IOC_RW:
1.1.1.6 root 3389: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3390: if (!argptr)
3391: return -TARGET_EFAULT;
1.1.1.3 root 3392: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3393: unlock_user(argptr, arg, 0);
1.1 root 3394: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3395: if (!is_error(ret)) {
1.1.1.6 root 3396: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3397: if (!argptr)
3398: return -TARGET_EFAULT;
1.1.1.3 root 3399: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3400: unlock_user(argptr, arg, target_size);
1.1 root 3401: }
3402: break;
3403: }
3404: break;
3405: default:
1.1.1.6 root 3406: gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3407: (long)cmd, arg_type[0]);
3408: ret = -TARGET_ENOSYS;
1.1 root 3409: break;
3410: }
3411: return ret;
3412: }
3413:
1.1.1.7 root 3414: static const bitmask_transtbl iflag_tbl[] = {
1.1 root 3415: { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3416: { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3417: { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3418: { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3419: { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3420: { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3421: { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3422: { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3423: { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3424: { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3425: { TARGET_IXON, TARGET_IXON, IXON, IXON },
3426: { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3427: { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3428: { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3429: { 0, 0, 0, 0 }
3430: };
3431:
1.1.1.7 root 3432: static const bitmask_transtbl oflag_tbl[] = {
1.1 root 3433: { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3434: { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3435: { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3436: { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3437: { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3438: { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3439: { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3440: { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3441: { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3442: { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3443: { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3444: { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3445: { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3446: { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3447: { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3448: { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3449: { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3450: { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3451: { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3452: { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3453: { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3454: { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3455: { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3456: { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3457: { 0, 0, 0, 0 }
3458: };
3459:
1.1.1.7 root 3460: static const bitmask_transtbl cflag_tbl[] = {
1.1 root 3461: { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3462: { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3463: { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3464: { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3465: { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3466: { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3467: { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3468: { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3469: { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3470: { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3471: { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3472: { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3473: { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3474: { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3475: { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3476: { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3477: { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3478: { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3479: { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3480: { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3481: { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3482: { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3483: { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3484: { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3485: { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3486: { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3487: { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3488: { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3489: { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3490: { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3491: { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3492: { 0, 0, 0, 0 }
3493: };
3494:
1.1.1.7 root 3495: static const bitmask_transtbl lflag_tbl[] = {
1.1 root 3496: { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3497: { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3498: { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3499: { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3500: { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3501: { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3502: { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3503: { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3504: { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3505: { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3506: { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3507: { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3508: { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3509: { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3510: { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3511: { 0, 0, 0, 0 }
3512: };
3513:
3514: static void target_to_host_termios (void *dst, const void *src)
3515: {
3516: struct host_termios *host = dst;
3517: const struct target_termios *target = src;
1.1.1.6 root 3518:
3519: host->c_iflag =
1.1 root 3520: target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1.1.1.6 root 3521: host->c_oflag =
1.1 root 3522: target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1.1.1.6 root 3523: host->c_cflag =
1.1 root 3524: target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1.1.1.6 root 3525: host->c_lflag =
1.1 root 3526: target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3527: host->c_line = target->c_line;
1.1.1.6 root 3528:
1.1.1.8 root 3529: memset(host->c_cc, 0, sizeof(host->c_cc));
1.1.1.6 root 3530: host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3531: host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3532: host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
3533: host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3534: host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
3535: host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3536: host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
3537: host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3538: host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
3539: host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3540: host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3541: host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3542: host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3543: host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3544: host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3545: host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
3546: host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1.1 root 3547: }
1.1.1.6 root 3548:
1.1 root 3549: static void host_to_target_termios (void *dst, const void *src)
3550: {
3551: struct target_termios *target = dst;
3552: const struct host_termios *host = src;
3553:
1.1.1.6 root 3554: target->c_iflag =
1.1 root 3555: tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1.1.1.6 root 3556: target->c_oflag =
1.1 root 3557: tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1.1.1.6 root 3558: target->c_cflag =
1.1 root 3559: tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1.1.1.6 root 3560: target->c_lflag =
1.1 root 3561: tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3562: target->c_line = host->c_line;
1.1.1.6 root 3563:
1.1.1.8 root 3564: memset(target->c_cc, 0, sizeof(target->c_cc));
1.1 root 3565: target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3566: target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3567: target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3568: target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3569: target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3570: target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3571: target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3572: target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3573: target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3574: target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3575: target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3576: target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3577: target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3578: target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3579: target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3580: target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3581: target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3582: }
3583:
1.1.1.7 root 3584: static const StructEntry struct_termios_def = {
1.1 root 3585: .convert = { host_to_target_termios, target_to_host_termios },
3586: .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3587: .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3588: };
3589:
3590: static bitmask_transtbl mmap_flags_tbl[] = {
3591: { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3592: { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3593: { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3594: { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3595: { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3596: { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3597: { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3598: { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3599: { 0, 0, 0, 0 }
3600: };
3601:
3602: #if defined(TARGET_I386)
3603:
3604: /* NOTE: there is really one LDT for all the threads */
1.1.1.7 root 3605: static uint8_t *ldt_table;
1.1 root 3606:
1.1.1.6 root 3607: static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
1.1 root 3608: {
3609: int size;
1.1.1.3 root 3610: void *p;
1.1 root 3611:
3612: if (!ldt_table)
3613: return 0;
3614: size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3615: if (size > bytecount)
3616: size = bytecount;
1.1.1.6 root 3617: p = lock_user(VERIFY_WRITE, ptr, size, 0);
3618: if (!p)
3619: return -TARGET_EFAULT;
3620: /* ??? Should this by byteswapped? */
1.1.1.3 root 3621: memcpy(p, ldt_table, size);
3622: unlock_user(p, ptr, size);
1.1 root 3623: return size;
3624: }
3625:
3626: /* XXX: add locking support */
1.1.1.6 root 3627: static abi_long write_ldt(CPUX86State *env,
3628: abi_ulong ptr, unsigned long bytecount, int oldmode)
1.1 root 3629: {
3630: struct target_modify_ldt_ldt_s ldt_info;
1.1.1.3 root 3631: struct target_modify_ldt_ldt_s *target_ldt_info;
1.1 root 3632: int seg_32bit, contents, read_exec_only, limit_in_pages;
1.1.1.6 root 3633: int seg_not_present, useable, lm;
1.1 root 3634: uint32_t *lp, entry_1, entry_2;
3635:
3636: if (bytecount != sizeof(ldt_info))
1.1.1.6 root 3637: return -TARGET_EINVAL;
3638: if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
3639: return -TARGET_EFAULT;
1.1.1.3 root 3640: ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3641: ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3642: ldt_info.limit = tswap32(target_ldt_info->limit);
3643: ldt_info.flags = tswap32(target_ldt_info->flags);
3644: unlock_user_struct(target_ldt_info, ptr, 0);
1.1.1.6 root 3645:
1.1 root 3646: if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1.1.1.6 root 3647: return -TARGET_EINVAL;
1.1 root 3648: seg_32bit = ldt_info.flags & 1;
3649: contents = (ldt_info.flags >> 1) & 3;
3650: read_exec_only = (ldt_info.flags >> 3) & 1;
3651: limit_in_pages = (ldt_info.flags >> 4) & 1;
3652: seg_not_present = (ldt_info.flags >> 5) & 1;
3653: useable = (ldt_info.flags >> 6) & 1;
1.1.1.6 root 3654: #ifdef TARGET_ABI32
3655: lm = 0;
3656: #else
3657: lm = (ldt_info.flags >> 7) & 1;
3658: #endif
1.1 root 3659: if (contents == 3) {
3660: if (oldmode)
1.1.1.6 root 3661: return -TARGET_EINVAL;
1.1 root 3662: if (seg_not_present == 0)
1.1.1.6 root 3663: return -TARGET_EINVAL;
1.1 root 3664: }
3665: /* allocate the LDT */
3666: if (!ldt_table) {
1.1.1.7 root 3667: env->ldt.base = target_mmap(0,
3668: TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3669: PROT_READ|PROT_WRITE,
3670: MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3671: if (env->ldt.base == -1)
1.1.1.6 root 3672: return -TARGET_ENOMEM;
1.1.1.7 root 3673: memset(g2h(env->ldt.base), 0,
3674: TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1.1 root 3675: env->ldt.limit = 0xffff;
1.1.1.7 root 3676: ldt_table = g2h(env->ldt.base);
1.1 root 3677: }
3678:
3679: /* NOTE: same code as Linux kernel */
3680: /* Allow LDTs to be cleared by the user. */
3681: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3682: if (oldmode ||
3683: (contents == 0 &&
3684: read_exec_only == 1 &&
3685: seg_32bit == 0 &&
3686: limit_in_pages == 0 &&
3687: seg_not_present == 1 &&
3688: useable == 0 )) {
3689: entry_1 = 0;
3690: entry_2 = 0;
3691: goto install;
3692: }
3693: }
1.1.1.6 root 3694:
1.1 root 3695: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3696: (ldt_info.limit & 0x0ffff);
3697: entry_2 = (ldt_info.base_addr & 0xff000000) |
3698: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3699: (ldt_info.limit & 0xf0000) |
3700: ((read_exec_only ^ 1) << 9) |
3701: (contents << 10) |
3702: ((seg_not_present ^ 1) << 15) |
3703: (seg_32bit << 22) |
3704: (limit_in_pages << 23) |
1.1.1.6 root 3705: (lm << 21) |
1.1 root 3706: 0x7000;
3707: if (!oldmode)
3708: entry_2 |= (useable << 20);
3709:
3710: /* Install the new entry ... */
3711: install:
3712: lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3713: lp[0] = tswap32(entry_1);
3714: lp[1] = tswap32(entry_2);
3715: return 0;
3716: }
3717:
3718: /* specific and weird i386 syscalls */
1.1.1.7 root 3719: static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3720: unsigned long bytecount)
1.1 root 3721: {
1.1.1.6 root 3722: abi_long ret;
3723:
1.1 root 3724: switch (func) {
3725: case 0:
3726: ret = read_ldt(ptr, bytecount);
3727: break;
3728: case 1:
3729: ret = write_ldt(env, ptr, bytecount, 1);
3730: break;
3731: case 0x11:
3732: ret = write_ldt(env, ptr, bytecount, 0);
3733: break;
1.1.1.6 root 3734: default:
3735: ret = -TARGET_ENOSYS;
3736: break;
1.1 root 3737: }
3738: return ret;
3739: }
3740:
1.1.1.7 root 3741: #if defined(TARGET_I386) && defined(TARGET_ABI32)
3742: static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
1.1.1.6 root 3743: {
3744: uint64_t *gdt_table = g2h(env->gdt.base);
3745: struct target_modify_ldt_ldt_s ldt_info;
3746: struct target_modify_ldt_ldt_s *target_ldt_info;
3747: int seg_32bit, contents, read_exec_only, limit_in_pages;
3748: int seg_not_present, useable, lm;
3749: uint32_t *lp, entry_1, entry_2;
3750: int i;
3751:
3752: lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3753: if (!target_ldt_info)
3754: return -TARGET_EFAULT;
3755: ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3756: ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3757: ldt_info.limit = tswap32(target_ldt_info->limit);
3758: ldt_info.flags = tswap32(target_ldt_info->flags);
3759: if (ldt_info.entry_number == -1) {
3760: for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3761: if (gdt_table[i] == 0) {
3762: ldt_info.entry_number = i;
3763: target_ldt_info->entry_number = tswap32(i);
3764: break;
3765: }
3766: }
3767: }
3768: unlock_user_struct(target_ldt_info, ptr, 1);
3769:
3770: if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3771: ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3772: return -TARGET_EINVAL;
3773: seg_32bit = ldt_info.flags & 1;
3774: contents = (ldt_info.flags >> 1) & 3;
3775: read_exec_only = (ldt_info.flags >> 3) & 1;
3776: limit_in_pages = (ldt_info.flags >> 4) & 1;
3777: seg_not_present = (ldt_info.flags >> 5) & 1;
3778: useable = (ldt_info.flags >> 6) & 1;
3779: #ifdef TARGET_ABI32
3780: lm = 0;
3781: #else
3782: lm = (ldt_info.flags >> 7) & 1;
3783: #endif
3784:
3785: if (contents == 3) {
3786: if (seg_not_present == 0)
3787: return -TARGET_EINVAL;
3788: }
3789:
3790: /* NOTE: same code as Linux kernel */
3791: /* Allow LDTs to be cleared by the user. */
3792: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3793: if ((contents == 0 &&
3794: read_exec_only == 1 &&
3795: seg_32bit == 0 &&
3796: limit_in_pages == 0 &&
3797: seg_not_present == 1 &&
3798: useable == 0 )) {
3799: entry_1 = 0;
3800: entry_2 = 0;
3801: goto install;
3802: }
3803: }
3804:
3805: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3806: (ldt_info.limit & 0x0ffff);
3807: entry_2 = (ldt_info.base_addr & 0xff000000) |
3808: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3809: (ldt_info.limit & 0xf0000) |
3810: ((read_exec_only ^ 1) << 9) |
3811: (contents << 10) |
3812: ((seg_not_present ^ 1) << 15) |
3813: (seg_32bit << 22) |
3814: (limit_in_pages << 23) |
3815: (useable << 20) |
3816: (lm << 21) |
3817: 0x7000;
3818:
3819: /* Install the new entry ... */
3820: install:
3821: lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3822: lp[0] = tswap32(entry_1);
3823: lp[1] = tswap32(entry_2);
3824: return 0;
3825: }
3826:
1.1.1.7 root 3827: static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
1.1.1.6 root 3828: {
3829: struct target_modify_ldt_ldt_s *target_ldt_info;
3830: uint64_t *gdt_table = g2h(env->gdt.base);
3831: uint32_t base_addr, limit, flags;
3832: int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3833: int seg_not_present, useable, lm;
3834: uint32_t *lp, entry_1, entry_2;
3835:
3836: lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3837: if (!target_ldt_info)
3838: return -TARGET_EFAULT;
3839: idx = tswap32(target_ldt_info->entry_number);
3840: if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3841: idx > TARGET_GDT_ENTRY_TLS_MAX) {
3842: unlock_user_struct(target_ldt_info, ptr, 1);
3843: return -TARGET_EINVAL;
3844: }
3845: lp = (uint32_t *)(gdt_table + idx);
3846: entry_1 = tswap32(lp[0]);
3847: entry_2 = tswap32(lp[1]);
3848:
3849: read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3850: contents = (entry_2 >> 10) & 3;
3851: seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3852: seg_32bit = (entry_2 >> 22) & 1;
3853: limit_in_pages = (entry_2 >> 23) & 1;
3854: useable = (entry_2 >> 20) & 1;
3855: #ifdef TARGET_ABI32
3856: lm = 0;
3857: #else
3858: lm = (entry_2 >> 21) & 1;
3859: #endif
3860: flags = (seg_32bit << 0) | (contents << 1) |
3861: (read_exec_only << 3) | (limit_in_pages << 4) |
3862: (seg_not_present << 5) | (useable << 6) | (lm << 7);
3863: limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3864: base_addr = (entry_1 >> 16) |
3865: (entry_2 & 0xff000000) |
3866: ((entry_2 & 0xff) << 16);
3867: target_ldt_info->base_addr = tswapl(base_addr);
3868: target_ldt_info->limit = tswap32(limit);
3869: target_ldt_info->flags = tswap32(flags);
3870: unlock_user_struct(target_ldt_info, ptr, 1);
3871: return 0;
3872: }
1.1.1.7 root 3873: #endif /* TARGET_I386 && TARGET_ABI32 */
1.1.1.6 root 3874:
3875: #ifndef TARGET_ABI32
1.1.1.7 root 3876: static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
1.1.1.6 root 3877: {
1.1.1.12! root 3878: abi_long ret = 0;
1.1.1.6 root 3879: abi_ulong val;
3880: int idx;
1.1.1.12! root 3881:
1.1.1.6 root 3882: switch(code) {
3883: case TARGET_ARCH_SET_GS:
3884: case TARGET_ARCH_SET_FS:
3885: if (code == TARGET_ARCH_SET_GS)
3886: idx = R_GS;
3887: else
3888: idx = R_FS;
3889: cpu_x86_load_seg(env, idx, 0);
3890: env->segs[idx].base = addr;
3891: break;
3892: case TARGET_ARCH_GET_GS:
3893: case TARGET_ARCH_GET_FS:
3894: if (code == TARGET_ARCH_GET_GS)
3895: idx = R_GS;
3896: else
3897: idx = R_FS;
3898: val = env->segs[idx].base;
3899: if (put_user(val, addr, abi_ulong))
1.1.1.12! root 3900: ret = -TARGET_EFAULT;
1.1.1.6 root 3901: break;
3902: default:
3903: ret = -TARGET_EINVAL;
3904: break;
3905: }
1.1.1.12! root 3906: return ret;
1.1.1.6 root 3907: }
3908: #endif
3909:
1.1 root 3910: #endif /* defined(TARGET_I386) */
3911:
1.1.1.12! root 3912: #define NEW_STACK_SIZE 0x40000
1.1.1.7 root 3913:
1.1.1.12! root 3914: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 3915:
3916: static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3917: typedef struct {
3918: CPUState *env;
3919: pthread_mutex_t mutex;
3920: pthread_cond_t cond;
3921: pthread_t thread;
3922: uint32_t tid;
3923: abi_ulong child_tidptr;
3924: abi_ulong parent_tidptr;
3925: sigset_t sigmask;
3926: } new_thread_info;
3927:
3928: static void *clone_func(void *arg)
3929: {
3930: new_thread_info *info = arg;
3931: CPUState *env;
1.1.1.8 root 3932: TaskState *ts;
1.1.1.7 root 3933:
3934: env = info->env;
3935: thread_env = env;
1.1.1.8 root 3936: ts = (TaskState *)thread_env->opaque;
1.1.1.7 root 3937: info->tid = gettid();
1.1.1.8 root 3938: env->host_tid = info->tid;
3939: task_settid(ts);
1.1.1.7 root 3940: if (info->child_tidptr)
3941: put_user_u32(info->tid, info->child_tidptr);
3942: if (info->parent_tidptr)
3943: put_user_u32(info->tid, info->parent_tidptr);
3944: /* Enable signals. */
3945: sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3946: /* Signal to the parent that we're ready. */
3947: pthread_mutex_lock(&info->mutex);
3948: pthread_cond_broadcast(&info->cond);
3949: pthread_mutex_unlock(&info->mutex);
3950: /* Wait until the parent has finshed initializing the tls state. */
3951: pthread_mutex_lock(&clone_lock);
3952: pthread_mutex_unlock(&clone_lock);
3953: cpu_loop(env);
3954: /* never exits */
3955: return NULL;
3956: }
3957: #else
1.1 root 3958:
3959: static int clone_func(void *arg)
3960: {
3961: CPUState *env = arg;
3962: cpu_loop(env);
3963: /* never exits */
3964: return 0;
3965: }
1.1.1.7 root 3966: #endif
1.1 root 3967:
1.1.1.6 root 3968: /* do_fork() Must return host values and target errnos (unlike most
3969: do_*() functions). */
1.1.1.7 root 3970: static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3971: abi_ulong parent_tidptr, target_ulong newtls,
3972: abi_ulong child_tidptr)
1.1 root 3973: {
3974: int ret;
3975: TaskState *ts;
3976: CPUState *new_env;
1.1.1.9 root 3977: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 3978: unsigned int nptl_flags;
3979: sigset_t sigmask;
1.1.1.11 root 3980: #else
3981: uint8_t *new_stack;
1.1.1.7 root 3982: #endif
3983:
3984: /* Emulate vfork() with fork() */
3985: if (flags & CLONE_VFORK)
3986: flags &= ~(CLONE_VFORK | CLONE_VM);
1.1.1.6 root 3987:
1.1 root 3988: if (flags & CLONE_VM) {
1.1.1.8 root 3989: TaskState *parent_ts = (TaskState *)env->opaque;
1.1.1.9 root 3990: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 3991: new_thread_info info;
3992: pthread_attr_t attr;
3993: #endif
1.1.1.11 root 3994: ts = qemu_mallocz(sizeof(TaskState));
1.1.1.7 root 3995: init_task_state(ts);
1.1 root 3996: /* we create a new CPU instance. */
1.1.1.6 root 3997: new_env = cpu_copy(env);
1.1.1.9 root 3998: #if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
3999: cpu_reset(new_env);
4000: #endif
1.1.1.7 root 4001: /* Init regs that differ from the parent. */
4002: cpu_clone_regs(new_env, newsp);
4003: new_env->opaque = ts;
1.1.1.8 root 4004: ts->bprm = parent_ts->bprm;
4005: ts->info = parent_ts->info;
1.1.1.9 root 4006: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 4007: nptl_flags = flags;
4008: flags &= ~CLONE_NPTL_FLAGS2;
4009:
1.1.1.8 root 4010: if (nptl_flags & CLONE_CHILD_CLEARTID) {
4011: ts->child_tidptr = child_tidptr;
4012: }
4013:
1.1.1.7 root 4014: if (nptl_flags & CLONE_SETTLS)
4015: cpu_set_tls (new_env, newtls);
4016:
4017: /* Grab a mutex so that thread setup appears atomic. */
4018: pthread_mutex_lock(&clone_lock);
4019:
4020: memset(&info, 0, sizeof(info));
4021: pthread_mutex_init(&info.mutex, NULL);
4022: pthread_mutex_lock(&info.mutex);
4023: pthread_cond_init(&info.cond, NULL);
4024: info.env = new_env;
4025: if (nptl_flags & CLONE_CHILD_SETTID)
4026: info.child_tidptr = child_tidptr;
4027: if (nptl_flags & CLONE_PARENT_SETTID)
4028: info.parent_tidptr = parent_tidptr;
4029:
4030: ret = pthread_attr_init(&attr);
1.1.1.11 root 4031: ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
4032: ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
1.1.1.7 root 4033: /* It is not safe to deliver signals until the child has finished
4034: initializing, so temporarily block all signals. */
4035: sigfillset(&sigmask);
4036: sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
4037:
4038: ret = pthread_create(&info.thread, &attr, clone_func, &info);
1.1.1.8 root 4039: /* TODO: Free new CPU state if thread creation failed. */
1.1.1.7 root 4040:
4041: sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
4042: pthread_attr_destroy(&attr);
4043: if (ret == 0) {
4044: /* Wait for the child to initialize. */
4045: pthread_cond_wait(&info.cond, &info.mutex);
4046: ret = info.tid;
4047: if (flags & CLONE_PARENT_SETTID)
4048: put_user_u32(ret, parent_tidptr);
4049: } else {
4050: ret = -1;
1.1.1.6 root 4051: }
1.1.1.7 root 4052: pthread_mutex_unlock(&info.mutex);
4053: pthread_cond_destroy(&info.cond);
4054: pthread_mutex_destroy(&info.mutex);
4055: pthread_mutex_unlock(&clone_lock);
1.1 root 4056: #else
1.1.1.7 root 4057: if (flags & CLONE_NPTL_FLAGS2)
4058: return -EINVAL;
4059: /* This is probably going to die very quickly, but do it anyway. */
1.1.1.11 root 4060: new_stack = qemu_mallocz (NEW_STACK_SIZE);
1.1 root 4061: #ifdef __ia64__
1.1.1.10 root 4062: ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
1.1 root 4063: #else
4064: ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
4065: #endif
1.1.1.7 root 4066: #endif
1.1 root 4067: } else {
4068: /* if no CLONE_VM, we consider it is a fork */
1.1.1.7 root 4069: if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1.1 root 4070: return -EINVAL;
1.1.1.7 root 4071: fork_start();
1.1 root 4072: ret = fork();
1.1.1.7 root 4073: if (ret == 0) {
4074: /* Child Process. */
4075: cpu_clone_regs(env, newsp);
4076: fork_end(1);
1.1.1.9 root 4077: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 4078: /* There is a race condition here. The parent process could
4079: theoretically read the TID in the child process before the child
4080: tid is set. This would require using either ptrace
4081: (not implemented) or having *_tidptr to point at a shared memory
4082: mapping. We can't repeat the spinlock hack used above because
4083: the child process gets its own copy of the lock. */
4084: if (flags & CLONE_CHILD_SETTID)
4085: put_user_u32(gettid(), child_tidptr);
4086: if (flags & CLONE_PARENT_SETTID)
4087: put_user_u32(gettid(), parent_tidptr);
4088: ts = (TaskState *)env->opaque;
4089: if (flags & CLONE_SETTLS)
4090: cpu_set_tls (env, newtls);
1.1.1.8 root 4091: if (flags & CLONE_CHILD_CLEARTID)
4092: ts->child_tidptr = child_tidptr;
1.1.1.7 root 4093: #endif
4094: } else {
4095: fork_end(0);
4096: }
1.1 root 4097: }
4098: return ret;
4099: }
4100:
1.1.1.8 root 4101: /* warning : doesn't handle linux specific flags... */
4102: static int target_to_host_fcntl_cmd(int cmd)
4103: {
4104: switch(cmd) {
4105: case TARGET_F_DUPFD:
4106: case TARGET_F_GETFD:
4107: case TARGET_F_SETFD:
4108: case TARGET_F_GETFL:
4109: case TARGET_F_SETFL:
4110: return cmd;
4111: case TARGET_F_GETLK:
4112: return F_GETLK;
4113: case TARGET_F_SETLK:
4114: return F_SETLK;
4115: case TARGET_F_SETLKW:
4116: return F_SETLKW;
4117: case TARGET_F_GETOWN:
4118: return F_GETOWN;
4119: case TARGET_F_SETOWN:
4120: return F_SETOWN;
4121: case TARGET_F_GETSIG:
4122: return F_GETSIG;
4123: case TARGET_F_SETSIG:
4124: return F_SETSIG;
4125: #if TARGET_ABI_BITS == 32
4126: case TARGET_F_GETLK64:
4127: return F_GETLK64;
4128: case TARGET_F_SETLK64:
4129: return F_SETLK64;
4130: case TARGET_F_SETLKW64:
4131: return F_SETLKW64;
4132: #endif
1.1.1.9 root 4133: case TARGET_F_SETLEASE:
4134: return F_SETLEASE;
4135: case TARGET_F_GETLEASE:
4136: return F_GETLEASE;
4137: #ifdef F_DUPFD_CLOEXEC
4138: case TARGET_F_DUPFD_CLOEXEC:
4139: return F_DUPFD_CLOEXEC;
4140: #endif
4141: case TARGET_F_NOTIFY:
4142: return F_NOTIFY;
1.1.1.8 root 4143: default:
4144: return -TARGET_EINVAL;
4145: }
4146: return -TARGET_EINVAL;
4147: }
4148:
1.1.1.6 root 4149: static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
1.1 root 4150: {
4151: struct flock fl;
1.1.1.3 root 4152: struct target_flock *target_fl;
1.1.1.5 root 4153: struct flock64 fl64;
4154: struct target_flock64 *target_fl64;
1.1.1.6 root 4155: abi_long ret;
1.1.1.8 root 4156: int host_cmd = target_to_host_fcntl_cmd(cmd);
4157:
4158: if (host_cmd == -TARGET_EINVAL)
4159: return host_cmd;
1.1.1.3 root 4160:
1.1 root 4161: switch(cmd) {
4162: case TARGET_F_GETLK:
1.1.1.6 root 4163: if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4164: return -TARGET_EFAULT;
4165: fl.l_type = tswap16(target_fl->l_type);
4166: fl.l_whence = tswap16(target_fl->l_whence);
4167: fl.l_start = tswapl(target_fl->l_start);
4168: fl.l_len = tswapl(target_fl->l_len);
1.1.1.9 root 4169: fl.l_pid = tswap32(target_fl->l_pid);
1.1.1.6 root 4170: unlock_user_struct(target_fl, arg, 0);
1.1.1.8 root 4171: ret = get_errno(fcntl(fd, host_cmd, &fl));
1.1 root 4172: if (ret == 0) {
1.1.1.6 root 4173: if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
4174: return -TARGET_EFAULT;
1.1 root 4175: target_fl->l_type = tswap16(fl.l_type);
4176: target_fl->l_whence = tswap16(fl.l_whence);
4177: target_fl->l_start = tswapl(fl.l_start);
4178: target_fl->l_len = tswapl(fl.l_len);
1.1.1.9 root 4179: target_fl->l_pid = tswap32(fl.l_pid);
1.1.1.3 root 4180: unlock_user_struct(target_fl, arg, 1);
1.1 root 4181: }
4182: break;
1.1.1.6 root 4183:
1.1 root 4184: case TARGET_F_SETLK:
4185: case TARGET_F_SETLKW:
1.1.1.6 root 4186: if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4187: return -TARGET_EFAULT;
1.1 root 4188: fl.l_type = tswap16(target_fl->l_type);
4189: fl.l_whence = tswap16(target_fl->l_whence);
4190: fl.l_start = tswapl(target_fl->l_start);
4191: fl.l_len = tswapl(target_fl->l_len);
1.1.1.9 root 4192: fl.l_pid = tswap32(target_fl->l_pid);
1.1.1.3 root 4193: unlock_user_struct(target_fl, arg, 0);
1.1.1.8 root 4194: ret = get_errno(fcntl(fd, host_cmd, &fl));
1.1 root 4195: break;
1.1.1.6 root 4196:
1.1 root 4197: case TARGET_F_GETLK64:
1.1.1.6 root 4198: if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4199: return -TARGET_EFAULT;
4200: fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4201: fl64.l_whence = tswap16(target_fl64->l_whence);
4202: fl64.l_start = tswapl(target_fl64->l_start);
4203: fl64.l_len = tswapl(target_fl64->l_len);
1.1.1.9 root 4204: fl64.l_pid = tswap32(target_fl64->l_pid);
1.1.1.6 root 4205: unlock_user_struct(target_fl64, arg, 0);
1.1.1.8 root 4206: ret = get_errno(fcntl(fd, host_cmd, &fl64));
1.1.1.5 root 4207: if (ret == 0) {
1.1.1.6 root 4208: if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
4209: return -TARGET_EFAULT;
1.1.1.5 root 4210: target_fl64->l_type = tswap16(fl64.l_type) >> 1;
4211: target_fl64->l_whence = tswap16(fl64.l_whence);
4212: target_fl64->l_start = tswapl(fl64.l_start);
4213: target_fl64->l_len = tswapl(fl64.l_len);
1.1.1.9 root 4214: target_fl64->l_pid = tswap32(fl64.l_pid);
1.1.1.5 root 4215: unlock_user_struct(target_fl64, arg, 1);
4216: }
1.1.1.6 root 4217: break;
1.1 root 4218: case TARGET_F_SETLK64:
4219: case TARGET_F_SETLKW64:
1.1.1.6 root 4220: if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4221: return -TARGET_EFAULT;
1.1.1.5 root 4222: fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4223: fl64.l_whence = tswap16(target_fl64->l_whence);
4224: fl64.l_start = tswapl(target_fl64->l_start);
4225: fl64.l_len = tswapl(target_fl64->l_len);
1.1.1.9 root 4226: fl64.l_pid = tswap32(target_fl64->l_pid);
1.1.1.5 root 4227: unlock_user_struct(target_fl64, arg, 0);
1.1.1.8 root 4228: ret = get_errno(fcntl(fd, host_cmd, &fl64));
1.1 root 4229: break;
4230:
1.1.1.8 root 4231: case TARGET_F_GETFL:
4232: ret = get_errno(fcntl(fd, host_cmd, arg));
1.1.1.6 root 4233: if (ret >= 0) {
4234: ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4235: }
1.1 root 4236: break;
4237:
1.1.1.8 root 4238: case TARGET_F_SETFL:
4239: ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4240: break;
4241:
4242: case TARGET_F_SETOWN:
4243: case TARGET_F_GETOWN:
4244: case TARGET_F_SETSIG:
4245: case TARGET_F_GETSIG:
1.1.1.9 root 4246: case TARGET_F_SETLEASE:
4247: case TARGET_F_GETLEASE:
1.1.1.8 root 4248: ret = get_errno(fcntl(fd, host_cmd, arg));
1.1 root 4249: break;
4250:
4251: default:
1.1.1.6 root 4252: ret = get_errno(fcntl(fd, cmd, arg));
1.1 root 4253: break;
4254: }
4255: return ret;
4256: }
4257:
4258: #ifdef USE_UID16
4259:
4260: static inline int high2lowuid(int uid)
4261: {
4262: if (uid > 65535)
4263: return 65534;
4264: else
4265: return uid;
4266: }
4267:
4268: static inline int high2lowgid(int gid)
4269: {
4270: if (gid > 65535)
4271: return 65534;
4272: else
4273: return gid;
4274: }
4275:
4276: static inline int low2highuid(int uid)
4277: {
4278: if ((int16_t)uid == -1)
4279: return -1;
4280: else
4281: return uid;
4282: }
4283:
4284: static inline int low2highgid(int gid)
4285: {
4286: if ((int16_t)gid == -1)
4287: return -1;
4288: else
4289: return gid;
4290: }
1.1.1.12! root 4291: static inline int tswapid(int id)
! 4292: {
! 4293: return tswap16(id);
! 4294: }
! 4295: #else /* !USE_UID16 */
! 4296: static inline int high2lowuid(int uid)
! 4297: {
! 4298: return uid;
! 4299: }
! 4300: static inline int high2lowgid(int gid)
! 4301: {
! 4302: return gid;
! 4303: }
! 4304: static inline int low2highuid(int uid)
! 4305: {
! 4306: return uid;
! 4307: }
! 4308: static inline int low2highgid(int gid)
! 4309: {
! 4310: return gid;
! 4311: }
! 4312: static inline int tswapid(int id)
! 4313: {
! 4314: return tswap32(id);
! 4315: }
1.1 root 4316: #endif /* USE_UID16 */
4317:
4318: void syscall_init(void)
4319: {
4320: IOCTLEntry *ie;
4321: const argtype *arg_type;
4322: int size;
1.1.1.6 root 4323: int i;
1.1 root 4324:
1.1.1.8 root 4325: #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1.1.1.6 root 4326: #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1.1 root 4327: #include "syscall_types.h"
4328: #undef STRUCT
4329: #undef STRUCT_SPECIAL
4330:
4331: /* we patch the ioctl size if necessary. We rely on the fact that
4332: no ioctl has all the bits at '1' in the size field */
4333: ie = ioctl_entries;
4334: while (ie->target_cmd != 0) {
4335: if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
4336: TARGET_IOC_SIZEMASK) {
4337: arg_type = ie->arg_type;
4338: if (arg_type[0] != TYPE_PTR) {
1.1.1.6 root 4339: fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1.1 root 4340: ie->target_cmd);
4341: exit(1);
4342: }
4343: arg_type++;
4344: size = thunk_type_size(arg_type, 0);
1.1.1.6 root 4345: ie->target_cmd = (ie->target_cmd &
1.1 root 4346: ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
4347: (size << TARGET_IOC_SIZESHIFT);
4348: }
1.1.1.6 root 4349:
4350: /* Build target_to_host_errno_table[] table from
4351: * host_to_target_errno_table[]. */
4352: for (i=0; i < ERRNO_TABLE_SIZE; i++)
4353: target_to_host_errno_table[host_to_target_errno_table[i]] = i;
4354:
1.1 root 4355: /* automatic consistency check if same arch */
1.1.1.7 root 4356: #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4357: (defined(__x86_64__) && defined(TARGET_X86_64))
4358: if (unlikely(ie->target_cmd != ie->host_cmd)) {
4359: fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4360: ie->name, ie->target_cmd, ie->host_cmd);
1.1 root 4361: }
4362: #endif
4363: ie++;
4364: }
4365: }
4366:
1.1.1.6 root 4367: #if TARGET_ABI_BITS == 32
1.1.1.3 root 4368: static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4369: {
1.1.1.7 root 4370: #ifdef TARGET_WORDS_BIGENDIAN
1.1.1.3 root 4371: return ((uint64_t)word0 << 32) | word1;
4372: #else
4373: return ((uint64_t)word1 << 32) | word0;
4374: #endif
4375: }
1.1.1.6 root 4376: #else /* TARGET_ABI_BITS == 32 */
4377: static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4378: {
4379: return word0;
4380: }
4381: #endif /* TARGET_ABI_BITS != 32 */
1.1.1.3 root 4382:
4383: #ifdef TARGET_NR_truncate64
1.1.1.6 root 4384: static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4385: abi_long arg2,
4386: abi_long arg3,
4387: abi_long arg4)
1.1.1.3 root 4388: {
1.1.1.12! root 4389: if (regpairs_aligned(cpu_env)) {
1.1.1.3 root 4390: arg2 = arg3;
4391: arg3 = arg4;
1.1.1.12! root 4392: }
1.1.1.3 root 4393: return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4394: }
4395: #endif
4396:
4397: #ifdef TARGET_NR_ftruncate64
1.1.1.6 root 4398: static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4399: abi_long arg2,
4400: abi_long arg3,
4401: abi_long arg4)
1.1.1.3 root 4402: {
1.1.1.12! root 4403: if (regpairs_aligned(cpu_env)) {
1.1.1.3 root 4404: arg2 = arg3;
4405: arg3 = arg4;
1.1.1.12! root 4406: }
1.1.1.3 root 4407: return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4408: }
4409: #endif
4410:
1.1.1.6 root 4411: static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4412: abi_ulong target_addr)
1.1.1.3 root 4413: {
4414: struct target_timespec *target_ts;
4415:
1.1.1.6 root 4416: if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4417: return -TARGET_EFAULT;
1.1.1.3 root 4418: host_ts->tv_sec = tswapl(target_ts->tv_sec);
4419: host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
4420: unlock_user_struct(target_ts, target_addr, 0);
1.1.1.7 root 4421: return 0;
1.1.1.3 root 4422: }
4423:
1.1.1.6 root 4424: static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4425: struct timespec *host_ts)
1.1.1.3 root 4426: {
4427: struct target_timespec *target_ts;
4428:
1.1.1.6 root 4429: if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4430: return -TARGET_EFAULT;
1.1.1.3 root 4431: target_ts->tv_sec = tswapl(host_ts->tv_sec);
4432: target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
4433: unlock_user_struct(target_ts, target_addr, 1);
1.1.1.7 root 4434: return 0;
4435: }
4436:
1.1.1.8 root 4437: #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
1.1.1.7 root 4438: static inline abi_long host_to_target_stat64(void *cpu_env,
4439: abi_ulong target_addr,
4440: struct stat *host_st)
4441: {
4442: #ifdef TARGET_ARM
4443: if (((CPUARMState *)cpu_env)->eabi) {
4444: struct target_eabi_stat64 *target_st;
4445:
4446: if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4447: return -TARGET_EFAULT;
4448: memset(target_st, 0, sizeof(struct target_eabi_stat64));
4449: __put_user(host_st->st_dev, &target_st->st_dev);
4450: __put_user(host_st->st_ino, &target_st->st_ino);
4451: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4452: __put_user(host_st->st_ino, &target_st->__st_ino);
4453: #endif
4454: __put_user(host_st->st_mode, &target_st->st_mode);
4455: __put_user(host_st->st_nlink, &target_st->st_nlink);
4456: __put_user(host_st->st_uid, &target_st->st_uid);
4457: __put_user(host_st->st_gid, &target_st->st_gid);
4458: __put_user(host_st->st_rdev, &target_st->st_rdev);
4459: __put_user(host_st->st_size, &target_st->st_size);
4460: __put_user(host_st->st_blksize, &target_st->st_blksize);
4461: __put_user(host_st->st_blocks, &target_st->st_blocks);
4462: __put_user(host_st->st_atime, &target_st->target_st_atime);
4463: __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4464: __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4465: unlock_user_struct(target_st, target_addr, 1);
4466: } else
4467: #endif
4468: {
1.1.1.10 root 4469: #if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
1.1.1.8 root 4470: struct target_stat *target_st;
4471: #else
1.1.1.7 root 4472: struct target_stat64 *target_st;
1.1.1.8 root 4473: #endif
1.1.1.7 root 4474:
4475: if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4476: return -TARGET_EFAULT;
1.1.1.8 root 4477: memset(target_st, 0, sizeof(*target_st));
1.1.1.7 root 4478: __put_user(host_st->st_dev, &target_st->st_dev);
4479: __put_user(host_st->st_ino, &target_st->st_ino);
4480: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4481: __put_user(host_st->st_ino, &target_st->__st_ino);
4482: #endif
4483: __put_user(host_st->st_mode, &target_st->st_mode);
4484: __put_user(host_st->st_nlink, &target_st->st_nlink);
4485: __put_user(host_st->st_uid, &target_st->st_uid);
4486: __put_user(host_st->st_gid, &target_st->st_gid);
4487: __put_user(host_st->st_rdev, &target_st->st_rdev);
4488: /* XXX: better use of kernel struct */
4489: __put_user(host_st->st_size, &target_st->st_size);
4490: __put_user(host_st->st_blksize, &target_st->st_blksize);
4491: __put_user(host_st->st_blocks, &target_st->st_blocks);
4492: __put_user(host_st->st_atime, &target_st->target_st_atime);
4493: __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4494: __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4495: unlock_user_struct(target_st, target_addr, 1);
4496: }
4497:
4498: return 0;
4499: }
4500: #endif
4501:
1.1.1.9 root 4502: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 4503: /* ??? Using host futex calls even when target atomic operations
4504: are not really atomic probably breaks things. However implementing
4505: futexes locally would make futexes shared between multiple processes
4506: tricky. However they're probably useless because guest atomic
4507: operations won't work either. */
4508: static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4509: target_ulong uaddr2, int val3)
4510: {
4511: struct timespec ts, *pts;
1.1.1.9 root 4512: int base_op;
1.1.1.7 root 4513:
4514: /* ??? We assume FUTEX_* constants are the same on both host
4515: and target. */
1.1.1.8 root 4516: #ifdef FUTEX_CMD_MASK
1.1.1.9 root 4517: base_op = op & FUTEX_CMD_MASK;
1.1.1.8 root 4518: #else
1.1.1.9 root 4519: base_op = op;
1.1.1.8 root 4520: #endif
1.1.1.9 root 4521: switch (base_op) {
1.1.1.7 root 4522: case FUTEX_WAIT:
4523: if (timeout) {
4524: pts = &ts;
4525: target_to_host_timespec(pts, timeout);
4526: } else {
4527: pts = NULL;
4528: }
1.1.1.8 root 4529: return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
1.1.1.7 root 4530: pts, NULL, 0));
4531: case FUTEX_WAKE:
1.1.1.8 root 4532: return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
1.1.1.7 root 4533: case FUTEX_FD:
1.1.1.8 root 4534: return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
1.1.1.7 root 4535: case FUTEX_REQUEUE:
4536: case FUTEX_CMP_REQUEUE:
1.1.1.9 root 4537: case FUTEX_WAKE_OP:
4538: /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4539: TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4540: But the prototype takes a `struct timespec *'; insert casts
4541: to satisfy the compiler. We do not need to tswap TIMEOUT
4542: since it's not compared to guest memory. */
4543: pts = (struct timespec *)(uintptr_t) timeout;
4544: return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4545: g2h(uaddr2),
4546: (base_op == FUTEX_CMP_REQUEUE
4547: ? tswap32(val3)
4548: : val3)));
1.1.1.7 root 4549: default:
4550: return -TARGET_ENOSYS;
4551: }
4552: }
4553: #endif
4554:
1.1.1.8 root 4555: /* Map host to target signal numbers for the wait family of syscalls.
4556: Assume all other status bits are the same. */
4557: static int host_to_target_waitstatus(int status)
4558: {
4559: if (WIFSIGNALED(status)) {
4560: return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4561: }
4562: if (WIFSTOPPED(status)) {
4563: return (host_to_target_signal(WSTOPSIG(status)) << 8)
4564: | (status & 0xff);
4565: }
4566: return status;
4567: }
4568:
1.1.1.7 root 4569: int get_osversion(void)
4570: {
4571: static int osversion;
4572: struct new_utsname buf;
4573: const char *s;
4574: int i, n, tmp;
4575: if (osversion)
4576: return osversion;
4577: if (qemu_uname_release && *qemu_uname_release) {
4578: s = qemu_uname_release;
4579: } else {
4580: if (sys_uname(&buf))
4581: return 0;
4582: s = buf.release;
4583: }
4584: tmp = 0;
4585: for (i = 0; i < 3; i++) {
4586: n = 0;
4587: while (*s >= '0' && *s <= '9') {
4588: n *= 10;
4589: n += *s - '0';
4590: s++;
4591: }
4592: tmp = (tmp << 8) + n;
4593: if (*s == '.')
4594: s++;
4595: }
4596: osversion = tmp;
4597: return osversion;
1.1.1.3 root 4598: }
4599:
1.1.1.6 root 4600: /* do_syscall() should always have a single exit point at the end so
4601: that actions, such as logging of syscall results, can be performed.
4602: All errnos that do_syscall() returns must be -TARGET_<errcode>. */
4603: abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4604: abi_long arg2, abi_long arg3, abi_long arg4,
1.1.1.12! root 4605: abi_long arg5, abi_long arg6, abi_long arg7,
! 4606: abi_long arg8)
1.1 root 4607: {
1.1.1.6 root 4608: abi_long ret;
1.1 root 4609: struct stat st;
1.1.1.2 root 4610: struct statfs stfs;
1.1.1.3 root 4611: void *p;
1.1.1.6 root 4612:
1.1 root 4613: #ifdef DEBUG
4614: gemu_log("syscall %d", num);
4615: #endif
1.1.1.6 root 4616: if(do_strace)
4617: print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4618:
1.1 root 4619: switch(num) {
4620: case TARGET_NR_exit:
1.1.1.9 root 4621: #ifdef CONFIG_USE_NPTL
1.1.1.8 root 4622: /* In old applications this may be used to implement _exit(2).
4623: However in threaded applictions it is used for thread termination,
4624: and _exit_group is used for application termination.
4625: Do thread termination if we have more then one thread. */
4626: /* FIXME: This probably breaks if a signal arrives. We should probably
4627: be disabling signals. */
4628: if (first_cpu->next_cpu) {
4629: TaskState *ts;
4630: CPUState **lastp;
4631: CPUState *p;
4632:
4633: cpu_list_lock();
4634: lastp = &first_cpu;
4635: p = first_cpu;
4636: while (p && p != (CPUState *)cpu_env) {
4637: lastp = &p->next_cpu;
4638: p = p->next_cpu;
4639: }
4640: /* If we didn't find the CPU for this thread then something is
4641: horribly wrong. */
4642: if (!p)
4643: abort();
4644: /* Remove the CPU from the list. */
4645: *lastp = p->next_cpu;
4646: cpu_list_unlock();
4647: ts = ((CPUState *)cpu_env)->opaque;
4648: if (ts->child_tidptr) {
4649: put_user_u32(0, ts->child_tidptr);
4650: sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4651: NULL, NULL, 0);
4652: }
1.1.1.11 root 4653: thread_env = NULL;
4654: qemu_free(cpu_env);
4655: qemu_free(ts);
1.1.1.8 root 4656: pthread_exit(NULL);
4657: }
4658: #endif
1.1.1.9 root 4659: #ifdef TARGET_GPROF
1.1 root 4660: _mcleanup();
4661: #endif
4662: gdb_exit(cpu_env, arg1);
1.1.1.8 root 4663: _exit(arg1);
1.1 root 4664: ret = 0; /* avoid warning */
4665: break;
4666: case TARGET_NR_read:
1.1.1.7 root 4667: if (arg3 == 0)
4668: ret = 0;
4669: else {
4670: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4671: goto efault;
4672: ret = get_errno(read(arg1, p, arg3));
4673: unlock_user(p, arg2, ret);
4674: }
1.1 root 4675: break;
4676: case TARGET_NR_write:
1.1.1.6 root 4677: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4678: goto efault;
1.1.1.3 root 4679: ret = get_errno(write(arg1, p, arg3));
4680: unlock_user(p, arg2, 0);
1.1 root 4681: break;
4682: case TARGET_NR_open:
1.1.1.6 root 4683: if (!(p = lock_user_string(arg1)))
4684: goto efault;
1.1.1.3 root 4685: ret = get_errno(open(path(p),
1.1 root 4686: target_to_host_bitmask(arg2, fcntl_flags_tbl),
4687: arg3));
1.1.1.3 root 4688: unlock_user(p, arg1, 0);
1.1 root 4689: break;
1.1.1.6 root 4690: #if defined(TARGET_NR_openat) && defined(__NR_openat)
4691: case TARGET_NR_openat:
4692: if (!(p = lock_user_string(arg2)))
4693: goto efault;
4694: ret = get_errno(sys_openat(arg1,
4695: path(p),
4696: target_to_host_bitmask(arg3, fcntl_flags_tbl),
4697: arg4));
4698: unlock_user(p, arg2, 0);
4699: break;
4700: #endif
1.1 root 4701: case TARGET_NR_close:
4702: ret = get_errno(close(arg1));
4703: break;
4704: case TARGET_NR_brk:
1.1.1.3 root 4705: ret = do_brk(arg1);
1.1 root 4706: break;
4707: case TARGET_NR_fork:
1.1.1.7 root 4708: ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
1.1 root 4709: break;
1.1.1.6 root 4710: #ifdef TARGET_NR_waitpid
1.1 root 4711: case TARGET_NR_waitpid:
4712: {
1.1.1.3 root 4713: int status;
4714: ret = get_errno(waitpid(arg1, &status, arg3));
1.1.1.6 root 4715: if (!is_error(ret) && arg2
1.1.1.8 root 4716: && put_user_s32(host_to_target_waitstatus(status), arg2))
1.1.1.6 root 4717: goto efault;
1.1 root 4718: }
4719: break;
1.1.1.6 root 4720: #endif
1.1.1.7 root 4721: #ifdef TARGET_NR_waitid
4722: case TARGET_NR_waitid:
4723: {
4724: siginfo_t info;
4725: info.si_pid = 0;
4726: ret = get_errno(waitid(arg1, arg2, &info, arg4));
4727: if (!is_error(ret) && arg3 && info.si_pid != 0) {
4728: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
4729: goto efault;
4730: host_to_target_siginfo(p, &info);
4731: unlock_user(p, arg3, sizeof(target_siginfo_t));
4732: }
4733: }
4734: break;
4735: #endif
1.1.1.6 root 4736: #ifdef TARGET_NR_creat /* not on alpha */
1.1 root 4737: case TARGET_NR_creat:
1.1.1.6 root 4738: if (!(p = lock_user_string(arg1)))
4739: goto efault;
1.1.1.3 root 4740: ret = get_errno(creat(p, arg2));
4741: unlock_user(p, arg1, 0);
1.1 root 4742: break;
1.1.1.6 root 4743: #endif
1.1 root 4744: case TARGET_NR_link:
1.1.1.3 root 4745: {
4746: void * p2;
4747: p = lock_user_string(arg1);
4748: p2 = lock_user_string(arg2);
1.1.1.6 root 4749: if (!p || !p2)
4750: ret = -TARGET_EFAULT;
4751: else
4752: ret = get_errno(link(p, p2));
1.1.1.3 root 4753: unlock_user(p2, arg2, 0);
4754: unlock_user(p, arg1, 0);
4755: }
1.1 root 4756: break;
1.1.1.6 root 4757: #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4758: case TARGET_NR_linkat:
4759: {
4760: void * p2 = NULL;
4761: if (!arg2 || !arg4)
4762: goto efault;
4763: p = lock_user_string(arg2);
4764: p2 = lock_user_string(arg4);
4765: if (!p || !p2)
4766: ret = -TARGET_EFAULT;
4767: else
4768: ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
4769: unlock_user(p, arg2, 0);
4770: unlock_user(p2, arg4, 0);
4771: }
4772: break;
4773: #endif
1.1 root 4774: case TARGET_NR_unlink:
1.1.1.6 root 4775: if (!(p = lock_user_string(arg1)))
4776: goto efault;
1.1.1.3 root 4777: ret = get_errno(unlink(p));
4778: unlock_user(p, arg1, 0);
1.1 root 4779: break;
1.1.1.6 root 4780: #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4781: case TARGET_NR_unlinkat:
4782: if (!(p = lock_user_string(arg2)))
4783: goto efault;
4784: ret = get_errno(sys_unlinkat(arg1, p, arg3));
4785: unlock_user(p, arg2, 0);
4786: break;
4787: #endif
1.1 root 4788: case TARGET_NR_execve:
4789: {
4790: char **argp, **envp;
4791: int argc, envc;
1.1.1.6 root 4792: abi_ulong gp;
4793: abi_ulong guest_argp;
4794: abi_ulong guest_envp;
4795: abi_ulong addr;
1.1 root 4796: char **q;
4797:
4798: argc = 0;
1.1.1.3 root 4799: guest_argp = arg2;
1.1.1.7 root 4800: for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
1.1.1.6 root 4801: if (get_user_ual(addr, gp))
4802: goto efault;
4803: if (!addr)
4804: break;
1.1 root 4805: argc++;
1.1.1.6 root 4806: }
1.1 root 4807: envc = 0;
1.1.1.3 root 4808: guest_envp = arg3;
1.1.1.7 root 4809: for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
1.1.1.6 root 4810: if (get_user_ual(addr, gp))
4811: goto efault;
4812: if (!addr)
4813: break;
1.1 root 4814: envc++;
1.1.1.6 root 4815: }
1.1 root 4816:
4817: argp = alloca((argc + 1) * sizeof(void *));
4818: envp = alloca((envc + 1) * sizeof(void *));
4819:
1.1.1.7 root 4820: for (gp = guest_argp, q = argp; gp;
1.1.1.6 root 4821: gp += sizeof(abi_ulong), q++) {
4822: if (get_user_ual(addr, gp))
4823: goto execve_efault;
1.1.1.3 root 4824: if (!addr)
4825: break;
1.1.1.6 root 4826: if (!(*q = lock_user_string(addr)))
4827: goto execve_efault;
1.1.1.3 root 4828: }
1.1 root 4829: *q = NULL;
4830:
1.1.1.7 root 4831: for (gp = guest_envp, q = envp; gp;
1.1.1.6 root 4832: gp += sizeof(abi_ulong), q++) {
4833: if (get_user_ual(addr, gp))
4834: goto execve_efault;
1.1.1.3 root 4835: if (!addr)
4836: break;
1.1.1.6 root 4837: if (!(*q = lock_user_string(addr)))
4838: goto execve_efault;
1.1.1.3 root 4839: }
1.1 root 4840: *q = NULL;
4841:
1.1.1.6 root 4842: if (!(p = lock_user_string(arg1)))
4843: goto execve_efault;
1.1.1.3 root 4844: ret = get_errno(execve(p, argp, envp));
4845: unlock_user(p, arg1, 0);
4846:
1.1.1.6 root 4847: goto execve_end;
4848:
4849: execve_efault:
4850: ret = -TARGET_EFAULT;
4851:
4852: execve_end:
1.1.1.3 root 4853: for (gp = guest_argp, q = argp; *q;
1.1.1.6 root 4854: gp += sizeof(abi_ulong), q++) {
4855: if (get_user_ual(addr, gp)
4856: || !addr)
4857: break;
1.1.1.3 root 4858: unlock_user(*q, addr, 0);
4859: }
4860: for (gp = guest_envp, q = envp; *q;
1.1.1.6 root 4861: gp += sizeof(abi_ulong), q++) {
4862: if (get_user_ual(addr, gp)
4863: || !addr)
4864: break;
1.1.1.3 root 4865: unlock_user(*q, addr, 0);
4866: }
1.1 root 4867: }
4868: break;
4869: case TARGET_NR_chdir:
1.1.1.6 root 4870: if (!(p = lock_user_string(arg1)))
4871: goto efault;
1.1.1.3 root 4872: ret = get_errno(chdir(p));
4873: unlock_user(p, arg1, 0);
1.1 root 4874: break;
4875: #ifdef TARGET_NR_time
4876: case TARGET_NR_time:
4877: {
1.1.1.3 root 4878: time_t host_time;
4879: ret = get_errno(time(&host_time));
1.1.1.6 root 4880: if (!is_error(ret)
4881: && arg1
4882: && put_user_sal(host_time, arg1))
4883: goto efault;
1.1 root 4884: }
4885: break;
4886: #endif
4887: case TARGET_NR_mknod:
1.1.1.6 root 4888: if (!(p = lock_user_string(arg1)))
4889: goto efault;
1.1.1.3 root 4890: ret = get_errno(mknod(p, arg2, arg3));
4891: unlock_user(p, arg1, 0);
1.1 root 4892: break;
1.1.1.6 root 4893: #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4894: case TARGET_NR_mknodat:
4895: if (!(p = lock_user_string(arg2)))
4896: goto efault;
4897: ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4898: unlock_user(p, arg2, 0);
4899: break;
4900: #endif
1.1 root 4901: case TARGET_NR_chmod:
1.1.1.6 root 4902: if (!(p = lock_user_string(arg1)))
4903: goto efault;
1.1.1.3 root 4904: ret = get_errno(chmod(p, arg2));
4905: unlock_user(p, arg1, 0);
1.1 root 4906: break;
4907: #ifdef TARGET_NR_break
4908: case TARGET_NR_break:
4909: goto unimplemented;
4910: #endif
4911: #ifdef TARGET_NR_oldstat
4912: case TARGET_NR_oldstat:
4913: goto unimplemented;
4914: #endif
4915: case TARGET_NR_lseek:
4916: ret = get_errno(lseek(arg1, arg2, arg3));
4917: break;
1.1.1.10 root 4918: #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
4919: /* Alpha specific */
1.1.1.6 root 4920: case TARGET_NR_getxpid:
1.1.1.10 root 4921: ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
4922: ret = get_errno(getpid());
4923: break;
1.1.1.6 root 4924: #endif
1.1.1.10 root 4925: #ifdef TARGET_NR_getpid
4926: case TARGET_NR_getpid:
1.1 root 4927: ret = get_errno(getpid());
4928: break;
1.1.1.10 root 4929: #endif
1.1 root 4930: case TARGET_NR_mount:
1.1.1.6 root 4931: {
4932: /* need to look at the data field */
4933: void *p2, *p3;
4934: p = lock_user_string(arg1);
4935: p2 = lock_user_string(arg2);
4936: p3 = lock_user_string(arg3);
4937: if (!p || !p2 || !p3)
4938: ret = -TARGET_EFAULT;
1.1.1.9 root 4939: else {
1.1.1.6 root 4940: /* FIXME - arg5 should be locked, but it isn't clear how to
4941: * do that since it's not guaranteed to be a NULL-terminated
4942: * string.
4943: */
1.1.1.9 root 4944: if ( ! arg5 )
4945: ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
4946: else
4947: ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4948: }
1.1.1.6 root 4949: unlock_user(p, arg1, 0);
4950: unlock_user(p2, arg2, 0);
4951: unlock_user(p3, arg3, 0);
4952: break;
4953: }
4954: #ifdef TARGET_NR_umount
1.1 root 4955: case TARGET_NR_umount:
1.1.1.6 root 4956: if (!(p = lock_user_string(arg1)))
4957: goto efault;
1.1.1.3 root 4958: ret = get_errno(umount(p));
4959: unlock_user(p, arg1, 0);
1.1 root 4960: break;
1.1.1.6 root 4961: #endif
4962: #ifdef TARGET_NR_stime /* not on alpha */
1.1 root 4963: case TARGET_NR_stime:
4964: {
1.1.1.3 root 4965: time_t host_time;
1.1.1.6 root 4966: if (get_user_sal(host_time, arg1))
4967: goto efault;
1.1.1.3 root 4968: ret = get_errno(stime(&host_time));
1.1 root 4969: }
4970: break;
1.1.1.6 root 4971: #endif
1.1 root 4972: case TARGET_NR_ptrace:
4973: goto unimplemented;
1.1.1.6 root 4974: #ifdef TARGET_NR_alarm /* not on alpha */
1.1 root 4975: case TARGET_NR_alarm:
4976: ret = alarm(arg1);
4977: break;
1.1.1.6 root 4978: #endif
1.1 root 4979: #ifdef TARGET_NR_oldfstat
4980: case TARGET_NR_oldfstat:
4981: goto unimplemented;
4982: #endif
1.1.1.6 root 4983: #ifdef TARGET_NR_pause /* not on alpha */
1.1 root 4984: case TARGET_NR_pause:
4985: ret = get_errno(pause());
4986: break;
1.1.1.6 root 4987: #endif
4988: #ifdef TARGET_NR_utime
1.1 root 4989: case TARGET_NR_utime:
4990: {
1.1.1.3 root 4991: struct utimbuf tbuf, *host_tbuf;
4992: struct target_utimbuf *target_tbuf;
4993: if (arg2) {
1.1.1.6 root 4994: if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4995: goto efault;
1.1.1.3 root 4996: tbuf.actime = tswapl(target_tbuf->actime);
4997: tbuf.modtime = tswapl(target_tbuf->modtime);
4998: unlock_user_struct(target_tbuf, arg2, 0);
4999: host_tbuf = &tbuf;
1.1 root 5000: } else {
1.1.1.3 root 5001: host_tbuf = NULL;
1.1 root 5002: }
1.1.1.6 root 5003: if (!(p = lock_user_string(arg1)))
5004: goto efault;
1.1.1.3 root 5005: ret = get_errno(utime(p, host_tbuf));
5006: unlock_user(p, arg1, 0);
1.1 root 5007: }
5008: break;
1.1.1.6 root 5009: #endif
1.1 root 5010: case TARGET_NR_utimes:
5011: {
5012: struct timeval *tvp, tv[2];
1.1.1.3 root 5013: if (arg2) {
1.1.1.6 root 5014: if (copy_from_user_timeval(&tv[0], arg2)
5015: || copy_from_user_timeval(&tv[1],
5016: arg2 + sizeof(struct target_timeval)))
5017: goto efault;
1.1 root 5018: tvp = tv;
5019: } else {
5020: tvp = NULL;
5021: }
1.1.1.6 root 5022: if (!(p = lock_user_string(arg1)))
5023: goto efault;
1.1.1.3 root 5024: ret = get_errno(utimes(p, tvp));
5025: unlock_user(p, arg1, 0);
1.1 root 5026: }
5027: break;
1.1.1.7 root 5028: #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
5029: case TARGET_NR_futimesat:
5030: {
5031: struct timeval *tvp, tv[2];
5032: if (arg3) {
5033: if (copy_from_user_timeval(&tv[0], arg3)
5034: || copy_from_user_timeval(&tv[1],
5035: arg3 + sizeof(struct target_timeval)))
5036: goto efault;
5037: tvp = tv;
5038: } else {
5039: tvp = NULL;
5040: }
5041: if (!(p = lock_user_string(arg2)))
5042: goto efault;
5043: ret = get_errno(sys_futimesat(arg1, path(p), tvp));
5044: unlock_user(p, arg2, 0);
5045: }
5046: break;
5047: #endif
1.1 root 5048: #ifdef TARGET_NR_stty
5049: case TARGET_NR_stty:
5050: goto unimplemented;
5051: #endif
5052: #ifdef TARGET_NR_gtty
5053: case TARGET_NR_gtty:
5054: goto unimplemented;
5055: #endif
5056: case TARGET_NR_access:
1.1.1.6 root 5057: if (!(p = lock_user_string(arg1)))
5058: goto efault;
1.1.1.8 root 5059: ret = get_errno(access(path(p), arg2));
1.1.1.3 root 5060: unlock_user(p, arg1, 0);
1.1 root 5061: break;
1.1.1.6 root 5062: #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
5063: case TARGET_NR_faccessat:
5064: if (!(p = lock_user_string(arg2)))
5065: goto efault;
1.1.1.8 root 5066: ret = get_errno(sys_faccessat(arg1, p, arg3));
1.1.1.6 root 5067: unlock_user(p, arg2, 0);
5068: break;
5069: #endif
5070: #ifdef TARGET_NR_nice /* not on alpha */
1.1 root 5071: case TARGET_NR_nice:
5072: ret = get_errno(nice(arg1));
5073: break;
1.1.1.6 root 5074: #endif
1.1 root 5075: #ifdef TARGET_NR_ftime
5076: case TARGET_NR_ftime:
5077: goto unimplemented;
5078: #endif
5079: case TARGET_NR_sync:
5080: sync();
5081: ret = 0;
5082: break;
5083: case TARGET_NR_kill:
1.1.1.7 root 5084: ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
1.1 root 5085: break;
5086: case TARGET_NR_rename:
1.1.1.3 root 5087: {
5088: void *p2;
5089: p = lock_user_string(arg1);
5090: p2 = lock_user_string(arg2);
1.1.1.6 root 5091: if (!p || !p2)
5092: ret = -TARGET_EFAULT;
5093: else
5094: ret = get_errno(rename(p, p2));
1.1.1.3 root 5095: unlock_user(p2, arg2, 0);
5096: unlock_user(p, arg1, 0);
5097: }
1.1 root 5098: break;
1.1.1.6 root 5099: #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
5100: case TARGET_NR_renameat:
5101: {
5102: void *p2;
5103: p = lock_user_string(arg2);
5104: p2 = lock_user_string(arg4);
5105: if (!p || !p2)
5106: ret = -TARGET_EFAULT;
5107: else
5108: ret = get_errno(sys_renameat(arg1, p, arg3, p2));
5109: unlock_user(p2, arg4, 0);
5110: unlock_user(p, arg2, 0);
5111: }
5112: break;
5113: #endif
1.1 root 5114: case TARGET_NR_mkdir:
1.1.1.6 root 5115: if (!(p = lock_user_string(arg1)))
5116: goto efault;
1.1.1.3 root 5117: ret = get_errno(mkdir(p, arg2));
5118: unlock_user(p, arg1, 0);
1.1 root 5119: break;
1.1.1.6 root 5120: #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
5121: case TARGET_NR_mkdirat:
5122: if (!(p = lock_user_string(arg2)))
5123: goto efault;
5124: ret = get_errno(sys_mkdirat(arg1, p, arg3));
5125: unlock_user(p, arg2, 0);
5126: break;
5127: #endif
1.1 root 5128: case TARGET_NR_rmdir:
1.1.1.6 root 5129: if (!(p = lock_user_string(arg1)))
5130: goto efault;
1.1.1.3 root 5131: ret = get_errno(rmdir(p));
5132: unlock_user(p, arg1, 0);
1.1 root 5133: break;
5134: case TARGET_NR_dup:
5135: ret = get_errno(dup(arg1));
5136: break;
5137: case TARGET_NR_pipe:
1.1.1.10 root 5138: ret = do_pipe(cpu_env, arg1, 0, 0);
1.1 root 5139: break;
1.1.1.8 root 5140: #ifdef TARGET_NR_pipe2
5141: case TARGET_NR_pipe2:
1.1.1.10 root 5142: ret = do_pipe(cpu_env, arg1, arg2, 1);
1.1.1.8 root 5143: break;
5144: #endif
1.1 root 5145: case TARGET_NR_times:
5146: {
1.1.1.3 root 5147: struct target_tms *tmsp;
1.1 root 5148: struct tms tms;
5149: ret = get_errno(times(&tms));
1.1.1.3 root 5150: if (arg1) {
1.1.1.6 root 5151: tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
5152: if (!tmsp)
5153: goto efault;
1.1 root 5154: tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
5155: tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
5156: tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
5157: tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
5158: }
5159: if (!is_error(ret))
5160: ret = host_to_target_clock_t(ret);
5161: }
5162: break;
5163: #ifdef TARGET_NR_prof
5164: case TARGET_NR_prof:
5165: goto unimplemented;
5166: #endif
1.1.1.6 root 5167: #ifdef TARGET_NR_signal
1.1 root 5168: case TARGET_NR_signal:
5169: goto unimplemented;
1.1.1.6 root 5170: #endif
1.1 root 5171: case TARGET_NR_acct:
1.1.1.7 root 5172: if (arg1 == 0) {
5173: ret = get_errno(acct(NULL));
5174: } else {
5175: if (!(p = lock_user_string(arg1)))
5176: goto efault;
5177: ret = get_errno(acct(path(p)));
5178: unlock_user(p, arg1, 0);
5179: }
1.1.1.3 root 5180: break;
1.1.1.6 root 5181: #ifdef TARGET_NR_umount2 /* not on alpha */
1.1 root 5182: case TARGET_NR_umount2:
1.1.1.6 root 5183: if (!(p = lock_user_string(arg1)))
5184: goto efault;
1.1.1.3 root 5185: ret = get_errno(umount2(p, arg2));
5186: unlock_user(p, arg1, 0);
1.1 root 5187: break;
1.1.1.6 root 5188: #endif
1.1 root 5189: #ifdef TARGET_NR_lock
5190: case TARGET_NR_lock:
5191: goto unimplemented;
5192: #endif
5193: case TARGET_NR_ioctl:
5194: ret = do_ioctl(arg1, arg2, arg3);
5195: break;
5196: case TARGET_NR_fcntl:
1.1.1.6 root 5197: ret = do_fcntl(arg1, arg2, arg3);
1.1 root 5198: break;
5199: #ifdef TARGET_NR_mpx
5200: case TARGET_NR_mpx:
5201: goto unimplemented;
5202: #endif
5203: case TARGET_NR_setpgid:
5204: ret = get_errno(setpgid(arg1, arg2));
5205: break;
5206: #ifdef TARGET_NR_ulimit
5207: case TARGET_NR_ulimit:
5208: goto unimplemented;
5209: #endif
5210: #ifdef TARGET_NR_oldolduname
5211: case TARGET_NR_oldolduname:
5212: goto unimplemented;
5213: #endif
5214: case TARGET_NR_umask:
5215: ret = get_errno(umask(arg1));
5216: break;
5217: case TARGET_NR_chroot:
1.1.1.6 root 5218: if (!(p = lock_user_string(arg1)))
5219: goto efault;
1.1.1.3 root 5220: ret = get_errno(chroot(p));
5221: unlock_user(p, arg1, 0);
1.1 root 5222: break;
5223: case TARGET_NR_ustat:
5224: goto unimplemented;
5225: case TARGET_NR_dup2:
5226: ret = get_errno(dup2(arg1, arg2));
5227: break;
1.1.1.9 root 5228: #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
5229: case TARGET_NR_dup3:
5230: ret = get_errno(dup3(arg1, arg2, arg3));
5231: break;
5232: #endif
1.1.1.6 root 5233: #ifdef TARGET_NR_getppid /* not on alpha */
1.1 root 5234: case TARGET_NR_getppid:
5235: ret = get_errno(getppid());
5236: break;
1.1.1.6 root 5237: #endif
1.1 root 5238: case TARGET_NR_getpgrp:
5239: ret = get_errno(getpgrp());
5240: break;
5241: case TARGET_NR_setsid:
5242: ret = get_errno(setsid());
5243: break;
1.1.1.6 root 5244: #ifdef TARGET_NR_sigaction
1.1 root 5245: case TARGET_NR_sigaction:
5246: {
1.1.1.10 root 5247: #if defined(TARGET_ALPHA)
5248: struct target_sigaction act, oact, *pact = 0;
1.1.1.3 root 5249: struct target_old_sigaction *old_act;
5250: if (arg2) {
1.1.1.6 root 5251: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5252: goto efault;
1.1 root 5253: act._sa_handler = old_act->_sa_handler;
5254: target_siginitset(&act.sa_mask, old_act->sa_mask);
5255: act.sa_flags = old_act->sa_flags;
1.1.1.10 root 5256: act.sa_restorer = 0;
1.1.1.3 root 5257: unlock_user_struct(old_act, arg2, 0);
1.1 root 5258: pact = &act;
5259: }
5260: ret = get_errno(do_sigaction(arg1, pact, &oact));
1.1.1.3 root 5261: if (!is_error(ret) && arg3) {
1.1.1.6 root 5262: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5263: goto efault;
1.1.1.3 root 5264: old_act->_sa_handler = oact._sa_handler;
5265: old_act->sa_mask = oact.sa_mask.sig[0];
5266: old_act->sa_flags = oact.sa_flags;
5267: unlock_user_struct(old_act, arg3, 1);
1.1 root 5268: }
1.1.1.10 root 5269: #elif defined(TARGET_MIPS)
1.1.1.4 root 5270: struct target_sigaction act, oact, *pact, *old_act;
5271:
5272: if (arg2) {
1.1.1.6 root 5273: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5274: goto efault;
1.1.1.4 root 5275: act._sa_handler = old_act->_sa_handler;
5276: target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
5277: act.sa_flags = old_act->sa_flags;
5278: unlock_user_struct(old_act, arg2, 0);
5279: pact = &act;
5280: } else {
5281: pact = NULL;
5282: }
5283:
5284: ret = get_errno(do_sigaction(arg1, pact, &oact));
5285:
5286: if (!is_error(ret) && arg3) {
1.1.1.6 root 5287: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5288: goto efault;
1.1.1.4 root 5289: old_act->_sa_handler = oact._sa_handler;
5290: old_act->sa_flags = oact.sa_flags;
5291: old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
5292: old_act->sa_mask.sig[1] = 0;
5293: old_act->sa_mask.sig[2] = 0;
5294: old_act->sa_mask.sig[3] = 0;
5295: unlock_user_struct(old_act, arg3, 1);
5296: }
1.1.1.10 root 5297: #else
5298: struct target_old_sigaction *old_act;
5299: struct target_sigaction act, oact, *pact;
5300: if (arg2) {
5301: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5302: goto efault;
5303: act._sa_handler = old_act->_sa_handler;
5304: target_siginitset(&act.sa_mask, old_act->sa_mask);
5305: act.sa_flags = old_act->sa_flags;
5306: act.sa_restorer = old_act->sa_restorer;
5307: unlock_user_struct(old_act, arg2, 0);
5308: pact = &act;
5309: } else {
5310: pact = NULL;
5311: }
5312: ret = get_errno(do_sigaction(arg1, pact, &oact));
5313: if (!is_error(ret) && arg3) {
5314: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5315: goto efault;
5316: old_act->_sa_handler = oact._sa_handler;
5317: old_act->sa_mask = oact.sa_mask.sig[0];
5318: old_act->sa_flags = oact.sa_flags;
5319: old_act->sa_restorer = oact.sa_restorer;
5320: unlock_user_struct(old_act, arg3, 1);
5321: }
1.1.1.6 root 5322: #endif
1.1 root 5323: }
5324: break;
1.1.1.6 root 5325: #endif
1.1 root 5326: case TARGET_NR_rt_sigaction:
1.1.1.3 root 5327: {
1.1.1.10 root 5328: #if defined(TARGET_ALPHA)
5329: struct target_sigaction act, oact, *pact = 0;
5330: struct target_rt_sigaction *rt_act;
5331: /* ??? arg4 == sizeof(sigset_t). */
5332: if (arg2) {
5333: if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
5334: goto efault;
5335: act._sa_handler = rt_act->_sa_handler;
5336: act.sa_mask = rt_act->sa_mask;
5337: act.sa_flags = rt_act->sa_flags;
5338: act.sa_restorer = arg5;
5339: unlock_user_struct(rt_act, arg2, 0);
5340: pact = &act;
5341: }
5342: ret = get_errno(do_sigaction(arg1, pact, &oact));
5343: if (!is_error(ret) && arg3) {
5344: if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
5345: goto efault;
5346: rt_act->_sa_handler = oact._sa_handler;
5347: rt_act->sa_mask = oact.sa_mask;
5348: rt_act->sa_flags = oact.sa_flags;
5349: unlock_user_struct(rt_act, arg3, 1);
5350: }
5351: #else
1.1.1.3 root 5352: struct target_sigaction *act;
5353: struct target_sigaction *oact;
5354:
1.1.1.6 root 5355: if (arg2) {
5356: if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
5357: goto efault;
5358: } else
1.1.1.3 root 5359: act = NULL;
1.1.1.6 root 5360: if (arg3) {
5361: if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
5362: ret = -TARGET_EFAULT;
5363: goto rt_sigaction_fail;
5364: }
5365: } else
1.1.1.3 root 5366: oact = NULL;
5367: ret = get_errno(do_sigaction(arg1, act, oact));
1.1.1.6 root 5368: rt_sigaction_fail:
5369: if (act)
1.1.1.3 root 5370: unlock_user_struct(act, arg2, 0);
1.1.1.6 root 5371: if (oact)
1.1.1.3 root 5372: unlock_user_struct(oact, arg3, 1);
1.1.1.10 root 5373: #endif
1.1.1.3 root 5374: }
1.1 root 5375: break;
1.1.1.6 root 5376: #ifdef TARGET_NR_sgetmask /* not on alpha */
1.1 root 5377: case TARGET_NR_sgetmask:
5378: {
5379: sigset_t cur_set;
1.1.1.6 root 5380: abi_ulong target_set;
1.1 root 5381: sigprocmask(0, NULL, &cur_set);
5382: host_to_target_old_sigset(&target_set, &cur_set);
5383: ret = target_set;
5384: }
5385: break;
1.1.1.6 root 5386: #endif
5387: #ifdef TARGET_NR_ssetmask /* not on alpha */
1.1 root 5388: case TARGET_NR_ssetmask:
5389: {
5390: sigset_t set, oset, cur_set;
1.1.1.6 root 5391: abi_ulong target_set = arg1;
1.1 root 5392: sigprocmask(0, NULL, &cur_set);
5393: target_to_host_old_sigset(&set, &target_set);
5394: sigorset(&set, &set, &cur_set);
5395: sigprocmask(SIG_SETMASK, &set, &oset);
5396: host_to_target_old_sigset(&target_set, &oset);
5397: ret = target_set;
5398: }
5399: break;
1.1.1.6 root 5400: #endif
5401: #ifdef TARGET_NR_sigprocmask
1.1 root 5402: case TARGET_NR_sigprocmask:
5403: {
1.1.1.10 root 5404: #if defined(TARGET_ALPHA)
5405: sigset_t set, oldset;
5406: abi_ulong mask;
5407: int how;
5408:
5409: switch (arg1) {
5410: case TARGET_SIG_BLOCK:
5411: how = SIG_BLOCK;
5412: break;
5413: case TARGET_SIG_UNBLOCK:
5414: how = SIG_UNBLOCK;
5415: break;
5416: case TARGET_SIG_SETMASK:
5417: how = SIG_SETMASK;
5418: break;
5419: default:
5420: ret = -TARGET_EINVAL;
5421: goto fail;
5422: }
5423: mask = arg2;
5424: target_to_host_old_sigset(&set, &mask);
5425:
5426: ret = get_errno(sigprocmask(how, &set, &oldset));
5427:
5428: if (!is_error(ret)) {
5429: host_to_target_old_sigset(&mask, &oldset);
5430: ret = mask;
5431: ((CPUAlphaState *)cpu_env)->[IR_V0] = 0; /* force no error */
5432: }
5433: #else
1.1 root 5434: sigset_t set, oldset, *set_ptr;
1.1.1.10 root 5435: int how;
1.1.1.6 root 5436:
1.1.1.3 root 5437: if (arg2) {
1.1.1.10 root 5438: switch (arg1) {
1.1 root 5439: case TARGET_SIG_BLOCK:
5440: how = SIG_BLOCK;
5441: break;
5442: case TARGET_SIG_UNBLOCK:
5443: how = SIG_UNBLOCK;
5444: break;
5445: case TARGET_SIG_SETMASK:
5446: how = SIG_SETMASK;
5447: break;
5448: default:
1.1.1.6 root 5449: ret = -TARGET_EINVAL;
1.1 root 5450: goto fail;
5451: }
1.1.1.6 root 5452: if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
5453: goto efault;
1.1.1.3 root 5454: target_to_host_old_sigset(&set, p);
5455: unlock_user(p, arg2, 0);
1.1 root 5456: set_ptr = &set;
5457: } else {
5458: how = 0;
5459: set_ptr = NULL;
5460: }
1.1.1.10 root 5461: ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1.1.1.3 root 5462: if (!is_error(ret) && arg3) {
1.1.1.6 root 5463: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
5464: goto efault;
1.1.1.3 root 5465: host_to_target_old_sigset(p, &oldset);
5466: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 5467: }
1.1.1.10 root 5468: #endif
1.1 root 5469: }
5470: break;
1.1.1.6 root 5471: #endif
1.1 root 5472: case TARGET_NR_rt_sigprocmask:
5473: {
5474: int how = arg1;
5475: sigset_t set, oldset, *set_ptr;
1.1.1.6 root 5476:
1.1.1.3 root 5477: if (arg2) {
1.1 root 5478: switch(how) {
5479: case TARGET_SIG_BLOCK:
5480: how = SIG_BLOCK;
5481: break;
5482: case TARGET_SIG_UNBLOCK:
5483: how = SIG_UNBLOCK;
5484: break;
5485: case TARGET_SIG_SETMASK:
5486: how = SIG_SETMASK;
5487: break;
5488: default:
1.1.1.6 root 5489: ret = -TARGET_EINVAL;
1.1 root 5490: goto fail;
5491: }
1.1.1.6 root 5492: if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
5493: goto efault;
1.1.1.3 root 5494: target_to_host_sigset(&set, p);
5495: unlock_user(p, arg2, 0);
1.1 root 5496: set_ptr = &set;
5497: } else {
5498: how = 0;
5499: set_ptr = NULL;
5500: }
5501: ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1.1.1.3 root 5502: if (!is_error(ret) && arg3) {
1.1.1.6 root 5503: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
5504: goto efault;
1.1.1.3 root 5505: host_to_target_sigset(p, &oldset);
5506: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 5507: }
5508: }
5509: break;
1.1.1.6 root 5510: #ifdef TARGET_NR_sigpending
1.1 root 5511: case TARGET_NR_sigpending:
5512: {
5513: sigset_t set;
5514: ret = get_errno(sigpending(&set));
5515: if (!is_error(ret)) {
1.1.1.6 root 5516: if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
5517: goto efault;
1.1.1.3 root 5518: host_to_target_old_sigset(p, &set);
5519: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 5520: }
5521: }
5522: break;
1.1.1.6 root 5523: #endif
1.1 root 5524: case TARGET_NR_rt_sigpending:
5525: {
5526: sigset_t set;
5527: ret = get_errno(sigpending(&set));
5528: if (!is_error(ret)) {
1.1.1.6 root 5529: if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
5530: goto efault;
1.1.1.3 root 5531: host_to_target_sigset(p, &set);
5532: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 5533: }
5534: }
5535: break;
1.1.1.6 root 5536: #ifdef TARGET_NR_sigsuspend
1.1 root 5537: case TARGET_NR_sigsuspend:
5538: {
5539: sigset_t set;
1.1.1.10 root 5540: #if defined(TARGET_ALPHA)
5541: abi_ulong mask = arg1;
5542: target_to_host_old_sigset(&set, &mask);
5543: #else
1.1.1.6 root 5544: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
5545: goto efault;
1.1.1.3 root 5546: target_to_host_old_sigset(&set, p);
5547: unlock_user(p, arg1, 0);
1.1.1.10 root 5548: #endif
1.1 root 5549: ret = get_errno(sigsuspend(&set));
5550: }
5551: break;
1.1.1.6 root 5552: #endif
1.1 root 5553: case TARGET_NR_rt_sigsuspend:
5554: {
5555: sigset_t set;
1.1.1.6 root 5556: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
5557: goto efault;
1.1.1.3 root 5558: target_to_host_sigset(&set, p);
5559: unlock_user(p, arg1, 0);
1.1 root 5560: ret = get_errno(sigsuspend(&set));
5561: }
5562: break;
5563: case TARGET_NR_rt_sigtimedwait:
5564: {
5565: sigset_t set;
5566: struct timespec uts, *puts;
5567: siginfo_t uinfo;
1.1.1.6 root 5568:
5569: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
5570: goto efault;
1.1.1.3 root 5571: target_to_host_sigset(&set, p);
5572: unlock_user(p, arg1, 0);
5573: if (arg3) {
1.1 root 5574: puts = &uts;
1.1.1.3 root 5575: target_to_host_timespec(puts, arg3);
1.1 root 5576: } else {
5577: puts = NULL;
5578: }
5579: ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1.1.1.3 root 5580: if (!is_error(ret) && arg2) {
1.1.1.7 root 5581: if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
1.1.1.6 root 5582: goto efault;
1.1.1.3 root 5583: host_to_target_siginfo(p, &uinfo);
1.1.1.7 root 5584: unlock_user(p, arg2, sizeof(target_siginfo_t));
1.1 root 5585: }
5586: }
5587: break;
5588: case TARGET_NR_rt_sigqueueinfo:
5589: {
5590: siginfo_t uinfo;
1.1.1.6 root 5591: if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
5592: goto efault;
1.1.1.3 root 5593: target_to_host_siginfo(&uinfo, p);
5594: unlock_user(p, arg1, 0);
1.1 root 5595: ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5596: }
5597: break;
1.1.1.6 root 5598: #ifdef TARGET_NR_sigreturn
1.1 root 5599: case TARGET_NR_sigreturn:
5600: /* NOTE: ret is eax, so not transcoding must be done */
5601: ret = do_sigreturn(cpu_env);
5602: break;
1.1.1.6 root 5603: #endif
1.1 root 5604: case TARGET_NR_rt_sigreturn:
5605: /* NOTE: ret is eax, so not transcoding must be done */
5606: ret = do_rt_sigreturn(cpu_env);
5607: break;
5608: case TARGET_NR_sethostname:
1.1.1.6 root 5609: if (!(p = lock_user_string(arg1)))
5610: goto efault;
1.1.1.3 root 5611: ret = get_errno(sethostname(p, arg2));
5612: unlock_user(p, arg1, 0);
1.1 root 5613: break;
5614: case TARGET_NR_setrlimit:
5615: {
1.1.1.12! root 5616: int resource = target_to_host_resource(arg1);
1.1.1.3 root 5617: struct target_rlimit *target_rlim;
1.1 root 5618: struct rlimit rlim;
1.1.1.6 root 5619: if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5620: goto efault;
1.1.1.10 root 5621: rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
5622: rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
1.1.1.3 root 5623: unlock_user_struct(target_rlim, arg2, 0);
1.1 root 5624: ret = get_errno(setrlimit(resource, &rlim));
5625: }
5626: break;
5627: case TARGET_NR_getrlimit:
5628: {
1.1.1.12! root 5629: int resource = target_to_host_resource(arg1);
1.1.1.3 root 5630: struct target_rlimit *target_rlim;
1.1 root 5631: struct rlimit rlim;
1.1.1.6 root 5632:
1.1 root 5633: ret = get_errno(getrlimit(resource, &rlim));
5634: if (!is_error(ret)) {
1.1.1.6 root 5635: if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5636: goto efault;
1.1.1.10 root 5637: target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
5638: target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
1.1.1.3 root 5639: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 5640: }
5641: }
5642: break;
5643: case TARGET_NR_getrusage:
5644: {
5645: struct rusage rusage;
5646: ret = get_errno(getrusage(arg1, &rusage));
5647: if (!is_error(ret)) {
1.1.1.3 root 5648: host_to_target_rusage(arg2, &rusage);
1.1 root 5649: }
5650: }
5651: break;
5652: case TARGET_NR_gettimeofday:
5653: {
5654: struct timeval tv;
5655: ret = get_errno(gettimeofday(&tv, NULL));
5656: if (!is_error(ret)) {
1.1.1.6 root 5657: if (copy_to_user_timeval(arg1, &tv))
5658: goto efault;
1.1 root 5659: }
5660: }
5661: break;
5662: case TARGET_NR_settimeofday:
5663: {
5664: struct timeval tv;
1.1.1.6 root 5665: if (copy_from_user_timeval(&tv, arg1))
5666: goto efault;
1.1 root 5667: ret = get_errno(settimeofday(&tv, NULL));
5668: }
5669: break;
1.1.1.12! root 5670: #if defined(TARGET_NR_select) && !defined(TARGET_S390X) && !defined(TARGET_S390)
1.1 root 5671: case TARGET_NR_select:
5672: {
1.1.1.3 root 5673: struct target_sel_arg_struct *sel;
1.1.1.6 root 5674: abi_ulong inp, outp, exp, tvp;
1.1.1.3 root 5675: long nsel;
5676:
1.1.1.6 root 5677: if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5678: goto efault;
1.1.1.3 root 5679: nsel = tswapl(sel->n);
5680: inp = tswapl(sel->inp);
5681: outp = tswapl(sel->outp);
5682: exp = tswapl(sel->exp);
5683: tvp = tswapl(sel->tvp);
5684: unlock_user_struct(sel, arg1, 0);
5685: ret = do_select(nsel, inp, outp, exp, tvp);
1.1 root 5686: }
5687: break;
1.1.1.2 root 5688: #endif
1.1.1.10 root 5689: #ifdef TARGET_NR_pselect6
5690: case TARGET_NR_pselect6:
1.1.1.12! root 5691: {
! 5692: abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
! 5693: fd_set rfds, wfds, efds;
! 5694: fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
! 5695: struct timespec ts, *ts_ptr;
! 5696:
! 5697: /*
! 5698: * The 6th arg is actually two args smashed together,
! 5699: * so we cannot use the C library.
! 5700: */
! 5701: sigset_t set;
! 5702: struct {
! 5703: sigset_t *set;
! 5704: size_t size;
! 5705: } sig, *sig_ptr;
! 5706:
! 5707: abi_ulong arg_sigset, arg_sigsize, *arg7;
! 5708: target_sigset_t *target_sigset;
! 5709:
! 5710: n = arg1;
! 5711: rfd_addr = arg2;
! 5712: wfd_addr = arg3;
! 5713: efd_addr = arg4;
! 5714: ts_addr = arg5;
! 5715:
! 5716: ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
! 5717: if (ret) {
! 5718: goto fail;
! 5719: }
! 5720: ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
! 5721: if (ret) {
! 5722: goto fail;
! 5723: }
! 5724: ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
! 5725: if (ret) {
! 5726: goto fail;
! 5727: }
! 5728:
! 5729: /*
! 5730: * This takes a timespec, and not a timeval, so we cannot
! 5731: * use the do_select() helper ...
! 5732: */
! 5733: if (ts_addr) {
! 5734: if (target_to_host_timespec(&ts, ts_addr)) {
! 5735: goto efault;
! 5736: }
! 5737: ts_ptr = &ts;
! 5738: } else {
! 5739: ts_ptr = NULL;
! 5740: }
! 5741:
! 5742: /* Extract the two packed args for the sigset */
! 5743: if (arg6) {
! 5744: sig_ptr = &sig;
! 5745: sig.size = _NSIG / 8;
! 5746:
! 5747: arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
! 5748: if (!arg7) {
! 5749: goto efault;
! 5750: }
! 5751: arg_sigset = tswapl(arg7[0]);
! 5752: arg_sigsize = tswapl(arg7[1]);
! 5753: unlock_user(arg7, arg6, 0);
! 5754:
! 5755: if (arg_sigset) {
! 5756: sig.set = &set;
! 5757: if (arg_sigsize != sizeof(*target_sigset)) {
! 5758: /* Like the kernel, we enforce correct size sigsets */
! 5759: ret = -TARGET_EINVAL;
! 5760: goto fail;
! 5761: }
! 5762: target_sigset = lock_user(VERIFY_READ, arg_sigset,
! 5763: sizeof(*target_sigset), 1);
! 5764: if (!target_sigset) {
! 5765: goto efault;
! 5766: }
! 5767: target_to_host_sigset(&set, target_sigset);
! 5768: unlock_user(target_sigset, arg_sigset, 0);
! 5769: } else {
! 5770: sig.set = NULL;
! 5771: }
! 5772: } else {
! 5773: sig_ptr = NULL;
! 5774: }
! 5775:
! 5776: ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
! 5777: ts_ptr, sig_ptr));
! 5778:
! 5779: if (!is_error(ret)) {
! 5780: if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
! 5781: goto efault;
! 5782: if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
! 5783: goto efault;
! 5784: if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
! 5785: goto efault;
! 5786:
! 5787: if (ts_addr && host_to_target_timespec(ts_addr, &ts))
! 5788: goto efault;
! 5789: }
! 5790: }
! 5791: break;
1.1.1.10 root 5792: #endif
1.1 root 5793: case TARGET_NR_symlink:
1.1.1.3 root 5794: {
5795: void *p2;
5796: p = lock_user_string(arg1);
5797: p2 = lock_user_string(arg2);
1.1.1.6 root 5798: if (!p || !p2)
5799: ret = -TARGET_EFAULT;
5800: else
5801: ret = get_errno(symlink(p, p2));
1.1.1.3 root 5802: unlock_user(p2, arg2, 0);
5803: unlock_user(p, arg1, 0);
5804: }
1.1 root 5805: break;
1.1.1.6 root 5806: #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5807: case TARGET_NR_symlinkat:
5808: {
5809: void *p2;
5810: p = lock_user_string(arg1);
5811: p2 = lock_user_string(arg3);
5812: if (!p || !p2)
5813: ret = -TARGET_EFAULT;
5814: else
5815: ret = get_errno(sys_symlinkat(p, arg2, p2));
5816: unlock_user(p2, arg3, 0);
5817: unlock_user(p, arg1, 0);
5818: }
5819: break;
5820: #endif
1.1 root 5821: #ifdef TARGET_NR_oldlstat
5822: case TARGET_NR_oldlstat:
5823: goto unimplemented;
5824: #endif
5825: case TARGET_NR_readlink:
1.1.1.3 root 5826: {
1.1.1.7 root 5827: void *p2, *temp;
1.1.1.3 root 5828: p = lock_user_string(arg1);
1.1.1.6 root 5829: p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5830: if (!p || !p2)
5831: ret = -TARGET_EFAULT;
1.1.1.7 root 5832: else {
5833: if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5834: char real[PATH_MAX];
5835: temp = realpath(exec_path,real);
5836: ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5837: snprintf((char *)p2, arg3, "%s", real);
5838: }
5839: else
5840: ret = get_errno(readlink(path(p), p2, arg3));
5841: }
1.1.1.3 root 5842: unlock_user(p2, arg2, ret);
5843: unlock_user(p, arg1, 0);
5844: }
1.1 root 5845: break;
1.1.1.6 root 5846: #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5847: case TARGET_NR_readlinkat:
5848: {
5849: void *p2;
5850: p = lock_user_string(arg2);
5851: p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5852: if (!p || !p2)
5853: ret = -TARGET_EFAULT;
5854: else
5855: ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
5856: unlock_user(p2, arg3, ret);
5857: unlock_user(p, arg2, 0);
5858: }
5859: break;
5860: #endif
5861: #ifdef TARGET_NR_uselib
1.1 root 5862: case TARGET_NR_uselib:
5863: goto unimplemented;
1.1.1.6 root 5864: #endif
5865: #ifdef TARGET_NR_swapon
1.1 root 5866: case TARGET_NR_swapon:
1.1.1.6 root 5867: if (!(p = lock_user_string(arg1)))
5868: goto efault;
1.1.1.3 root 5869: ret = get_errno(swapon(p, arg2));
5870: unlock_user(p, arg1, 0);
1.1 root 5871: break;
1.1.1.6 root 5872: #endif
1.1 root 5873: case TARGET_NR_reboot:
5874: goto unimplemented;
1.1.1.6 root 5875: #ifdef TARGET_NR_readdir
1.1 root 5876: case TARGET_NR_readdir:
5877: goto unimplemented;
1.1.1.6 root 5878: #endif
5879: #ifdef TARGET_NR_mmap
1.1 root 5880: case TARGET_NR_mmap:
1.1.1.12! root 5881: #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || \
! 5882: defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
! 5883: || defined(TARGET_S390X)
1.1 root 5884: {
1.1.1.6 root 5885: abi_ulong *v;
5886: abi_ulong v1, v2, v3, v4, v5, v6;
5887: if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5888: goto efault;
1.1.1.3 root 5889: v1 = tswapl(v[0]);
5890: v2 = tswapl(v[1]);
5891: v3 = tswapl(v[2]);
5892: v4 = tswapl(v[3]);
5893: v5 = tswapl(v[4]);
5894: v6 = tswapl(v[5]);
5895: unlock_user(v, arg1, 0);
1.1.1.6 root 5896: ret = get_errno(target_mmap(v1, v2, v3,
1.1 root 5897: target_to_host_bitmask(v4, mmap_flags_tbl),
5898: v5, v6));
5899: }
5900: #else
1.1.1.6 root 5901: ret = get_errno(target_mmap(arg1, arg2, arg3,
5902: target_to_host_bitmask(arg4, mmap_flags_tbl),
1.1 root 5903: arg5,
5904: arg6));
5905: #endif
5906: break;
1.1.1.6 root 5907: #endif
1.1 root 5908: #ifdef TARGET_NR_mmap2
5909: case TARGET_NR_mmap2:
1.1.1.7 root 5910: #ifndef MMAP_SHIFT
1.1 root 5911: #define MMAP_SHIFT 12
5912: #endif
1.1.1.6 root 5913: ret = get_errno(target_mmap(arg1, arg2, arg3,
5914: target_to_host_bitmask(arg4, mmap_flags_tbl),
1.1 root 5915: arg5,
5916: arg6 << MMAP_SHIFT));
5917: break;
5918: #endif
5919: case TARGET_NR_munmap:
5920: ret = get_errno(target_munmap(arg1, arg2));
5921: break;
5922: case TARGET_NR_mprotect:
1.1.1.10 root 5923: {
5924: TaskState *ts = ((CPUState *)cpu_env)->opaque;
5925: /* Special hack to detect libc making the stack executable. */
5926: if ((arg3 & PROT_GROWSDOWN)
5927: && arg1 >= ts->info->stack_limit
5928: && arg1 <= ts->info->start_stack) {
5929: arg3 &= ~PROT_GROWSDOWN;
5930: arg2 = arg2 + arg1 - ts->info->stack_limit;
5931: arg1 = ts->info->stack_limit;
5932: }
5933: }
1.1 root 5934: ret = get_errno(target_mprotect(arg1, arg2, arg3));
5935: break;
1.1.1.6 root 5936: #ifdef TARGET_NR_mremap
1.1 root 5937: case TARGET_NR_mremap:
5938: ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
5939: break;
1.1.1.6 root 5940: #endif
1.1.1.3 root 5941: /* ??? msync/mlock/munlock are broken for softmmu. */
1.1.1.6 root 5942: #ifdef TARGET_NR_msync
1.1 root 5943: case TARGET_NR_msync:
1.1.1.3 root 5944: ret = get_errno(msync(g2h(arg1), arg2, arg3));
1.1 root 5945: break;
1.1.1.6 root 5946: #endif
5947: #ifdef TARGET_NR_mlock
1.1 root 5948: case TARGET_NR_mlock:
1.1.1.3 root 5949: ret = get_errno(mlock(g2h(arg1), arg2));
1.1 root 5950: break;
1.1.1.6 root 5951: #endif
5952: #ifdef TARGET_NR_munlock
1.1 root 5953: case TARGET_NR_munlock:
1.1.1.3 root 5954: ret = get_errno(munlock(g2h(arg1), arg2));
1.1 root 5955: break;
1.1.1.6 root 5956: #endif
5957: #ifdef TARGET_NR_mlockall
1.1 root 5958: case TARGET_NR_mlockall:
5959: ret = get_errno(mlockall(arg1));
5960: break;
1.1.1.6 root 5961: #endif
5962: #ifdef TARGET_NR_munlockall
1.1 root 5963: case TARGET_NR_munlockall:
5964: ret = get_errno(munlockall());
5965: break;
1.1.1.6 root 5966: #endif
1.1 root 5967: case TARGET_NR_truncate:
1.1.1.6 root 5968: if (!(p = lock_user_string(arg1)))
5969: goto efault;
1.1.1.3 root 5970: ret = get_errno(truncate(p, arg2));
5971: unlock_user(p, arg1, 0);
1.1 root 5972: break;
5973: case TARGET_NR_ftruncate:
5974: ret = get_errno(ftruncate(arg1, arg2));
5975: break;
5976: case TARGET_NR_fchmod:
5977: ret = get_errno(fchmod(arg1, arg2));
5978: break;
1.1.1.6 root 5979: #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5980: case TARGET_NR_fchmodat:
5981: if (!(p = lock_user_string(arg2)))
5982: goto efault;
1.1.1.8 root 5983: ret = get_errno(sys_fchmodat(arg1, p, arg3));
1.1.1.6 root 5984: unlock_user(p, arg2, 0);
5985: break;
5986: #endif
1.1 root 5987: case TARGET_NR_getpriority:
1.1.1.6 root 5988: /* libc does special remapping of the return value of
5989: * sys_getpriority() so it's just easiest to call
5990: * sys_getpriority() directly rather than through libc. */
1.1.1.9 root 5991: ret = get_errno(sys_getpriority(arg1, arg2));
1.1 root 5992: break;
5993: case TARGET_NR_setpriority:
5994: ret = get_errno(setpriority(arg1, arg2, arg3));
5995: break;
5996: #ifdef TARGET_NR_profil
5997: case TARGET_NR_profil:
5998: goto unimplemented;
5999: #endif
6000: case TARGET_NR_statfs:
1.1.1.6 root 6001: if (!(p = lock_user_string(arg1)))
6002: goto efault;
1.1.1.3 root 6003: ret = get_errno(statfs(path(p), &stfs));
6004: unlock_user(p, arg1, 0);
1.1 root 6005: convert_statfs:
6006: if (!is_error(ret)) {
1.1.1.3 root 6007: struct target_statfs *target_stfs;
1.1.1.6 root 6008:
6009: if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
6010: goto efault;
6011: __put_user(stfs.f_type, &target_stfs->f_type);
6012: __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6013: __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6014: __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6015: __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6016: __put_user(stfs.f_files, &target_stfs->f_files);
6017: __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6018: __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6019: __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6020: __put_user(stfs.f_namelen, &target_stfs->f_namelen);
1.1.1.3 root 6021: unlock_user_struct(target_stfs, arg2, 1);
1.1 root 6022: }
6023: break;
6024: case TARGET_NR_fstatfs:
1.1.1.2 root 6025: ret = get_errno(fstatfs(arg1, &stfs));
1.1 root 6026: goto convert_statfs;
1.1.1.2 root 6027: #ifdef TARGET_NR_statfs64
6028: case TARGET_NR_statfs64:
1.1.1.6 root 6029: if (!(p = lock_user_string(arg1)))
6030: goto efault;
1.1.1.3 root 6031: ret = get_errno(statfs(path(p), &stfs));
6032: unlock_user(p, arg1, 0);
1.1.1.2 root 6033: convert_statfs64:
6034: if (!is_error(ret)) {
1.1.1.3 root 6035: struct target_statfs64 *target_stfs;
1.1.1.6 root 6036:
6037: if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
6038: goto efault;
6039: __put_user(stfs.f_type, &target_stfs->f_type);
6040: __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6041: __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6042: __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6043: __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6044: __put_user(stfs.f_files, &target_stfs->f_files);
6045: __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6046: __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6047: __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6048: __put_user(stfs.f_namelen, &target_stfs->f_namelen);
6049: unlock_user_struct(target_stfs, arg3, 1);
1.1.1.2 root 6050: }
6051: break;
6052: case TARGET_NR_fstatfs64:
6053: ret = get_errno(fstatfs(arg1, &stfs));
6054: goto convert_statfs64;
6055: #endif
1.1 root 6056: #ifdef TARGET_NR_ioperm
6057: case TARGET_NR_ioperm:
6058: goto unimplemented;
6059: #endif
1.1.1.6 root 6060: #ifdef TARGET_NR_socketcall
1.1 root 6061: case TARGET_NR_socketcall:
1.1.1.3 root 6062: ret = do_socketcall(arg1, arg2);
1.1 root 6063: break;
1.1.1.6 root 6064: #endif
1.1.1.4 root 6065: #ifdef TARGET_NR_accept
6066: case TARGET_NR_accept:
1.1.1.5 root 6067: ret = do_accept(arg1, arg2, arg3);
1.1.1.4 root 6068: break;
6069: #endif
6070: #ifdef TARGET_NR_bind
6071: case TARGET_NR_bind:
6072: ret = do_bind(arg1, arg2, arg3);
6073: break;
6074: #endif
6075: #ifdef TARGET_NR_connect
6076: case TARGET_NR_connect:
6077: ret = do_connect(arg1, arg2, arg3);
6078: break;
6079: #endif
6080: #ifdef TARGET_NR_getpeername
6081: case TARGET_NR_getpeername:
1.1.1.5 root 6082: ret = do_getpeername(arg1, arg2, arg3);
1.1.1.4 root 6083: break;
6084: #endif
6085: #ifdef TARGET_NR_getsockname
6086: case TARGET_NR_getsockname:
1.1.1.5 root 6087: ret = do_getsockname(arg1, arg2, arg3);
1.1.1.4 root 6088: break;
6089: #endif
6090: #ifdef TARGET_NR_getsockopt
6091: case TARGET_NR_getsockopt:
6092: ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
6093: break;
6094: #endif
6095: #ifdef TARGET_NR_listen
6096: case TARGET_NR_listen:
1.1.1.5 root 6097: ret = get_errno(listen(arg1, arg2));
1.1.1.4 root 6098: break;
6099: #endif
6100: #ifdef TARGET_NR_recv
6101: case TARGET_NR_recv:
1.1.1.6 root 6102: ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
1.1.1.4 root 6103: break;
6104: #endif
6105: #ifdef TARGET_NR_recvfrom
6106: case TARGET_NR_recvfrom:
1.1.1.6 root 6107: ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
1.1.1.4 root 6108: break;
6109: #endif
6110: #ifdef TARGET_NR_recvmsg
6111: case TARGET_NR_recvmsg:
6112: ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
6113: break;
6114: #endif
6115: #ifdef TARGET_NR_send
6116: case TARGET_NR_send:
1.1.1.5 root 6117: ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
1.1.1.4 root 6118: break;
6119: #endif
6120: #ifdef TARGET_NR_sendmsg
6121: case TARGET_NR_sendmsg:
6122: ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
6123: break;
6124: #endif
6125: #ifdef TARGET_NR_sendto
6126: case TARGET_NR_sendto:
1.1.1.5 root 6127: ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
1.1.1.4 root 6128: break;
6129: #endif
6130: #ifdef TARGET_NR_shutdown
6131: case TARGET_NR_shutdown:
1.1.1.5 root 6132: ret = get_errno(shutdown(arg1, arg2));
1.1.1.4 root 6133: break;
6134: #endif
6135: #ifdef TARGET_NR_socket
6136: case TARGET_NR_socket:
6137: ret = do_socket(arg1, arg2, arg3);
6138: break;
6139: #endif
6140: #ifdef TARGET_NR_socketpair
6141: case TARGET_NR_socketpair:
1.1.1.5 root 6142: ret = do_socketpair(arg1, arg2, arg3, arg4);
1.1.1.4 root 6143: break;
6144: #endif
6145: #ifdef TARGET_NR_setsockopt
6146: case TARGET_NR_setsockopt:
6147: ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
6148: break;
6149: #endif
1.1.1.6 root 6150:
1.1 root 6151: case TARGET_NR_syslog:
1.1.1.6 root 6152: if (!(p = lock_user_string(arg2)))
6153: goto efault;
6154: ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
6155: unlock_user(p, arg2, 0);
6156: break;
6157:
1.1 root 6158: case TARGET_NR_setitimer:
6159: {
6160: struct itimerval value, ovalue, *pvalue;
6161:
1.1.1.3 root 6162: if (arg2) {
1.1 root 6163: pvalue = &value;
1.1.1.6 root 6164: if (copy_from_user_timeval(&pvalue->it_interval, arg2)
6165: || copy_from_user_timeval(&pvalue->it_value,
6166: arg2 + sizeof(struct target_timeval)))
6167: goto efault;
1.1 root 6168: } else {
6169: pvalue = NULL;
6170: }
6171: ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1.1.1.3 root 6172: if (!is_error(ret) && arg3) {
1.1.1.6 root 6173: if (copy_to_user_timeval(arg3,
6174: &ovalue.it_interval)
6175: || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
6176: &ovalue.it_value))
6177: goto efault;
1.1 root 6178: }
6179: }
6180: break;
6181: case TARGET_NR_getitimer:
6182: {
6183: struct itimerval value;
1.1.1.6 root 6184:
1.1 root 6185: ret = get_errno(getitimer(arg1, &value));
1.1.1.3 root 6186: if (!is_error(ret) && arg2) {
1.1.1.6 root 6187: if (copy_to_user_timeval(arg2,
6188: &value.it_interval)
6189: || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
6190: &value.it_value))
6191: goto efault;
1.1 root 6192: }
6193: }
6194: break;
6195: case TARGET_NR_stat:
1.1.1.6 root 6196: if (!(p = lock_user_string(arg1)))
6197: goto efault;
1.1.1.3 root 6198: ret = get_errno(stat(path(p), &st));
6199: unlock_user(p, arg1, 0);
1.1 root 6200: goto do_stat;
6201: case TARGET_NR_lstat:
1.1.1.6 root 6202: if (!(p = lock_user_string(arg1)))
6203: goto efault;
1.1.1.3 root 6204: ret = get_errno(lstat(path(p), &st));
6205: unlock_user(p, arg1, 0);
1.1 root 6206: goto do_stat;
6207: case TARGET_NR_fstat:
6208: {
6209: ret = get_errno(fstat(arg1, &st));
6210: do_stat:
6211: if (!is_error(ret)) {
1.1.1.3 root 6212: struct target_stat *target_st;
1.1.1.6 root 6213:
6214: if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
6215: goto efault;
1.1.1.9 root 6216: memset(target_st, 0, sizeof(*target_st));
1.1.1.6 root 6217: __put_user(st.st_dev, &target_st->st_dev);
6218: __put_user(st.st_ino, &target_st->st_ino);
6219: __put_user(st.st_mode, &target_st->st_mode);
6220: __put_user(st.st_uid, &target_st->st_uid);
6221: __put_user(st.st_gid, &target_st->st_gid);
6222: __put_user(st.st_nlink, &target_st->st_nlink);
6223: __put_user(st.st_rdev, &target_st->st_rdev);
6224: __put_user(st.st_size, &target_st->st_size);
6225: __put_user(st.st_blksize, &target_st->st_blksize);
6226: __put_user(st.st_blocks, &target_st->st_blocks);
6227: __put_user(st.st_atime, &target_st->target_st_atime);
6228: __put_user(st.st_mtime, &target_st->target_st_mtime);
6229: __put_user(st.st_ctime, &target_st->target_st_ctime);
1.1.1.3 root 6230: unlock_user_struct(target_st, arg2, 1);
1.1 root 6231: }
6232: }
6233: break;
6234: #ifdef TARGET_NR_olduname
6235: case TARGET_NR_olduname:
6236: goto unimplemented;
6237: #endif
6238: #ifdef TARGET_NR_iopl
6239: case TARGET_NR_iopl:
6240: goto unimplemented;
6241: #endif
6242: case TARGET_NR_vhangup:
6243: ret = get_errno(vhangup());
6244: break;
6245: #ifdef TARGET_NR_idle
6246: case TARGET_NR_idle:
6247: goto unimplemented;
6248: #endif
6249: #ifdef TARGET_NR_syscall
6250: case TARGET_NR_syscall:
1.1.1.12! root 6251: ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
! 6252: arg6, arg7, arg8, 0);
! 6253: break;
1.1 root 6254: #endif
6255: case TARGET_NR_wait4:
6256: {
6257: int status;
1.1.1.6 root 6258: abi_long status_ptr = arg2;
1.1 root 6259: struct rusage rusage, *rusage_ptr;
1.1.1.6 root 6260: abi_ulong target_rusage = arg4;
1.1 root 6261: if (target_rusage)
6262: rusage_ptr = &rusage;
6263: else
6264: rusage_ptr = NULL;
6265: ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
6266: if (!is_error(ret)) {
1.1.1.6 root 6267: if (status_ptr) {
1.1.1.8 root 6268: status = host_to_target_waitstatus(status);
1.1.1.6 root 6269: if (put_user_s32(status, status_ptr))
6270: goto efault;
1.1 root 6271: }
1.1.1.6 root 6272: if (target_rusage)
6273: host_to_target_rusage(target_rusage, &rusage);
1.1 root 6274: }
6275: }
6276: break;
1.1.1.6 root 6277: #ifdef TARGET_NR_swapoff
1.1 root 6278: case TARGET_NR_swapoff:
1.1.1.6 root 6279: if (!(p = lock_user_string(arg1)))
6280: goto efault;
1.1.1.3 root 6281: ret = get_errno(swapoff(p));
6282: unlock_user(p, arg1, 0);
1.1 root 6283: break;
1.1.1.6 root 6284: #endif
1.1 root 6285: case TARGET_NR_sysinfo:
6286: {
1.1.1.3 root 6287: struct target_sysinfo *target_value;
1.1 root 6288: struct sysinfo value;
6289: ret = get_errno(sysinfo(&value));
1.1.1.3 root 6290: if (!is_error(ret) && arg1)
1.1 root 6291: {
1.1.1.6 root 6292: if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
6293: goto efault;
1.1 root 6294: __put_user(value.uptime, &target_value->uptime);
6295: __put_user(value.loads[0], &target_value->loads[0]);
6296: __put_user(value.loads[1], &target_value->loads[1]);
6297: __put_user(value.loads[2], &target_value->loads[2]);
6298: __put_user(value.totalram, &target_value->totalram);
6299: __put_user(value.freeram, &target_value->freeram);
6300: __put_user(value.sharedram, &target_value->sharedram);
6301: __put_user(value.bufferram, &target_value->bufferram);
6302: __put_user(value.totalswap, &target_value->totalswap);
6303: __put_user(value.freeswap, &target_value->freeswap);
6304: __put_user(value.procs, &target_value->procs);
6305: __put_user(value.totalhigh, &target_value->totalhigh);
6306: __put_user(value.freehigh, &target_value->freehigh);
6307: __put_user(value.mem_unit, &target_value->mem_unit);
1.1.1.3 root 6308: unlock_user_struct(target_value, arg1, 1);
1.1 root 6309: }
6310: }
6311: break;
1.1.1.6 root 6312: #ifdef TARGET_NR_ipc
1.1 root 6313: case TARGET_NR_ipc:
6314: ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
6315: break;
1.1.1.6 root 6316: #endif
1.1.1.8 root 6317: #ifdef TARGET_NR_semget
6318: case TARGET_NR_semget:
6319: ret = get_errno(semget(arg1, arg2, arg3));
6320: break;
6321: #endif
6322: #ifdef TARGET_NR_semop
6323: case TARGET_NR_semop:
6324: ret = get_errno(do_semop(arg1, arg2, arg3));
6325: break;
6326: #endif
6327: #ifdef TARGET_NR_semctl
6328: case TARGET_NR_semctl:
6329: ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
6330: break;
6331: #endif
1.1.1.7 root 6332: #ifdef TARGET_NR_msgctl
6333: case TARGET_NR_msgctl:
6334: ret = do_msgctl(arg1, arg2, arg3);
6335: break;
6336: #endif
6337: #ifdef TARGET_NR_msgget
6338: case TARGET_NR_msgget:
6339: ret = get_errno(msgget(arg1, arg2));
6340: break;
6341: #endif
6342: #ifdef TARGET_NR_msgrcv
6343: case TARGET_NR_msgrcv:
6344: ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
6345: break;
6346: #endif
6347: #ifdef TARGET_NR_msgsnd
6348: case TARGET_NR_msgsnd:
6349: ret = do_msgsnd(arg1, arg2, arg3, arg4);
6350: break;
6351: #endif
1.1.1.8 root 6352: #ifdef TARGET_NR_shmget
6353: case TARGET_NR_shmget:
6354: ret = get_errno(shmget(arg1, arg2, arg3));
6355: break;
6356: #endif
6357: #ifdef TARGET_NR_shmctl
6358: case TARGET_NR_shmctl:
6359: ret = do_shmctl(arg1, arg2, arg3);
6360: break;
6361: #endif
6362: #ifdef TARGET_NR_shmat
6363: case TARGET_NR_shmat:
6364: ret = do_shmat(arg1, arg2, arg3);
6365: break;
6366: #endif
6367: #ifdef TARGET_NR_shmdt
6368: case TARGET_NR_shmdt:
6369: ret = do_shmdt(arg1);
6370: break;
6371: #endif
1.1 root 6372: case TARGET_NR_fsync:
6373: ret = get_errno(fsync(arg1));
6374: break;
6375: case TARGET_NR_clone:
1.1.1.10 root 6376: #if defined(TARGET_SH4) || defined(TARGET_ALPHA)
1.1.1.7 root 6377: ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
6378: #elif defined(TARGET_CRIS)
6379: ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
1.1.1.12! root 6380: #elif defined(TARGET_S390X)
! 6381: ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
1.1.1.7 root 6382: #else
6383: ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
6384: #endif
1.1 root 6385: break;
6386: #ifdef __NR_exit_group
6387: /* new thread calls */
6388: case TARGET_NR_exit_group:
1.1.1.9 root 6389: #ifdef TARGET_GPROF
1.1.1.7 root 6390: _mcleanup();
6391: #endif
1.1 root 6392: gdb_exit(cpu_env, arg1);
6393: ret = get_errno(exit_group(arg1));
6394: break;
6395: #endif
6396: case TARGET_NR_setdomainname:
1.1.1.6 root 6397: if (!(p = lock_user_string(arg1)))
6398: goto efault;
1.1.1.3 root 6399: ret = get_errno(setdomainname(p, arg2));
6400: unlock_user(p, arg1, 0);
1.1 root 6401: break;
6402: case TARGET_NR_uname:
6403: /* no need to transcode because we use the linux syscall */
6404: {
6405: struct new_utsname * buf;
1.1.1.6 root 6406:
6407: if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
6408: goto efault;
1.1 root 6409: ret = get_errno(sys_uname(buf));
6410: if (!is_error(ret)) {
6411: /* Overrite the native machine name with whatever is being
6412: emulated. */
1.1.1.10 root 6413: strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
1.1.1.4 root 6414: /* Allow the user to override the reported release. */
6415: if (qemu_uname_release && *qemu_uname_release)
6416: strcpy (buf->release, qemu_uname_release);
1.1 root 6417: }
1.1.1.3 root 6418: unlock_user_struct(buf, arg1, 1);
1.1 root 6419: }
6420: break;
6421: #ifdef TARGET_I386
6422: case TARGET_NR_modify_ldt:
1.1.1.6 root 6423: ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
1.1 root 6424: break;
1.1.1.6 root 6425: #if !defined(TARGET_X86_64)
1.1 root 6426: case TARGET_NR_vm86old:
6427: goto unimplemented;
6428: case TARGET_NR_vm86:
1.1.1.3 root 6429: ret = do_vm86(cpu_env, arg1, arg2);
1.1 root 6430: break;
6431: #endif
1.1.1.6 root 6432: #endif
1.1 root 6433: case TARGET_NR_adjtimex:
6434: goto unimplemented;
1.1.1.6 root 6435: #ifdef TARGET_NR_create_module
1.1 root 6436: case TARGET_NR_create_module:
1.1.1.6 root 6437: #endif
1.1 root 6438: case TARGET_NR_init_module:
6439: case TARGET_NR_delete_module:
1.1.1.6 root 6440: #ifdef TARGET_NR_get_kernel_syms
1.1 root 6441: case TARGET_NR_get_kernel_syms:
1.1.1.6 root 6442: #endif
1.1 root 6443: goto unimplemented;
6444: case TARGET_NR_quotactl:
6445: goto unimplemented;
6446: case TARGET_NR_getpgid:
6447: ret = get_errno(getpgid(arg1));
6448: break;
6449: case TARGET_NR_fchdir:
6450: ret = get_errno(fchdir(arg1));
6451: break;
1.1.1.6 root 6452: #ifdef TARGET_NR_bdflush /* not on x86_64 */
1.1 root 6453: case TARGET_NR_bdflush:
6454: goto unimplemented;
1.1.1.6 root 6455: #endif
6456: #ifdef TARGET_NR_sysfs
1.1 root 6457: case TARGET_NR_sysfs:
6458: goto unimplemented;
1.1.1.6 root 6459: #endif
1.1 root 6460: case TARGET_NR_personality:
6461: ret = get_errno(personality(arg1));
6462: break;
1.1.1.6 root 6463: #ifdef TARGET_NR_afs_syscall
1.1 root 6464: case TARGET_NR_afs_syscall:
6465: goto unimplemented;
1.1.1.6 root 6466: #endif
6467: #ifdef TARGET_NR__llseek /* Not on alpha */
1.1 root 6468: case TARGET_NR__llseek:
6469: {
1.1.1.12! root 6470: int64_t res;
1.1.1.10 root 6471: #if !defined(__NR_llseek)
1.1.1.12! root 6472: res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
! 6473: if (res == -1) {
! 6474: ret = get_errno(res);
! 6475: } else {
! 6476: ret = 0;
! 6477: }
1.1 root 6478: #else
6479: ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
6480: #endif
1.1.1.12! root 6481: if ((ret == 0) && put_user_s64(res, arg4)) {
! 6482: goto efault;
! 6483: }
1.1 root 6484: }
6485: break;
1.1.1.6 root 6486: #endif
1.1 root 6487: case TARGET_NR_getdents:
1.1.1.9 root 6488: #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
1.1 root 6489: {
1.1.1.3 root 6490: struct target_dirent *target_dirp;
1.1.1.7 root 6491: struct linux_dirent *dirp;
1.1.1.6 root 6492: abi_long count = arg3;
1.1 root 6493:
6494: dirp = malloc(count);
1.1.1.6 root 6495: if (!dirp) {
6496: ret = -TARGET_ENOMEM;
6497: goto fail;
6498: }
6499:
1.1 root 6500: ret = get_errno(sys_getdents(arg1, dirp, count));
6501: if (!is_error(ret)) {
1.1.1.7 root 6502: struct linux_dirent *de;
1.1 root 6503: struct target_dirent *tde;
6504: int len = ret;
6505: int reclen, treclen;
6506: int count1, tnamelen;
6507:
6508: count1 = 0;
6509: de = dirp;
1.1.1.6 root 6510: if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6511: goto efault;
1.1 root 6512: tde = target_dirp;
6513: while (len > 0) {
6514: reclen = de->d_reclen;
1.1.1.6 root 6515: treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
1.1 root 6516: tde->d_reclen = tswap16(treclen);
6517: tde->d_ino = tswapl(de->d_ino);
6518: tde->d_off = tswapl(de->d_off);
1.1.1.6 root 6519: tnamelen = treclen - (2 * sizeof(abi_long) + 2);
1.1 root 6520: if (tnamelen > 256)
6521: tnamelen = 256;
6522: /* XXX: may not be correct */
1.1.1.7 root 6523: pstrcpy(tde->d_name, tnamelen, de->d_name);
6524: de = (struct linux_dirent *)((char *)de + reclen);
1.1 root 6525: len -= reclen;
1.1.1.6 root 6526: tde = (struct target_dirent *)((char *)tde + treclen);
1.1 root 6527: count1 += treclen;
6528: }
6529: ret = count1;
1.1.1.6 root 6530: unlock_user(target_dirp, arg2, ret);
1.1 root 6531: }
6532: free(dirp);
6533: }
6534: #else
6535: {
1.1.1.7 root 6536: struct linux_dirent *dirp;
1.1.1.6 root 6537: abi_long count = arg3;
1.1 root 6538:
1.1.1.6 root 6539: if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6540: goto efault;
1.1 root 6541: ret = get_errno(sys_getdents(arg1, dirp, count));
6542: if (!is_error(ret)) {
1.1.1.7 root 6543: struct linux_dirent *de;
1.1 root 6544: int len = ret;
6545: int reclen;
6546: de = dirp;
6547: while (len > 0) {
6548: reclen = de->d_reclen;
6549: if (reclen > len)
6550: break;
6551: de->d_reclen = tswap16(reclen);
6552: tswapls(&de->d_ino);
6553: tswapls(&de->d_off);
1.1.1.7 root 6554: de = (struct linux_dirent *)((char *)de + reclen);
1.1 root 6555: len -= reclen;
6556: }
6557: }
1.1.1.3 root 6558: unlock_user(dirp, arg2, ret);
1.1 root 6559: }
6560: #endif
6561: break;
1.1.1.6 root 6562: #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
1.1 root 6563: case TARGET_NR_getdents64:
6564: {
1.1.1.7 root 6565: struct linux_dirent64 *dirp;
1.1.1.6 root 6566: abi_long count = arg3;
6567: if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6568: goto efault;
1.1 root 6569: ret = get_errno(sys_getdents64(arg1, dirp, count));
6570: if (!is_error(ret)) {
1.1.1.7 root 6571: struct linux_dirent64 *de;
1.1 root 6572: int len = ret;
6573: int reclen;
6574: de = dirp;
6575: while (len > 0) {
6576: reclen = de->d_reclen;
6577: if (reclen > len)
6578: break;
6579: de->d_reclen = tswap16(reclen);
1.1.1.6 root 6580: tswap64s((uint64_t *)&de->d_ino);
6581: tswap64s((uint64_t *)&de->d_off);
1.1.1.7 root 6582: de = (struct linux_dirent64 *)((char *)de + reclen);
1.1 root 6583: len -= reclen;
6584: }
6585: }
1.1.1.3 root 6586: unlock_user(dirp, arg2, ret);
1.1 root 6587: }
6588: break;
6589: #endif /* TARGET_NR_getdents64 */
1.1.1.12! root 6590: #if defined(TARGET_NR__newselect) || defined(TARGET_S390X)
! 6591: #ifdef TARGET_S390X
! 6592: case TARGET_NR_select:
! 6593: #else
1.1 root 6594: case TARGET_NR__newselect:
1.1.1.12! root 6595: #endif
1.1.1.3 root 6596: ret = do_select(arg1, arg2, arg3, arg4, arg5);
1.1 root 6597: break;
1.1.1.6 root 6598: #endif
1.1.1.12! root 6599: #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
! 6600: # ifdef TARGET_NR_poll
1.1 root 6601: case TARGET_NR_poll:
1.1.1.12! root 6602: # endif
! 6603: # ifdef TARGET_NR_ppoll
! 6604: case TARGET_NR_ppoll:
! 6605: # endif
1.1 root 6606: {
1.1.1.3 root 6607: struct target_pollfd *target_pfd;
1.1 root 6608: unsigned int nfds = arg2;
6609: int timeout = arg3;
6610: struct pollfd *pfd;
6611: unsigned int i;
6612:
1.1.1.6 root 6613: target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
6614: if (!target_pfd)
6615: goto efault;
1.1.1.12! root 6616:
1.1 root 6617: pfd = alloca(sizeof(struct pollfd) * nfds);
6618: for(i = 0; i < nfds; i++) {
6619: pfd[i].fd = tswap32(target_pfd[i].fd);
6620: pfd[i].events = tswap16(target_pfd[i].events);
6621: }
1.1.1.12! root 6622:
! 6623: # ifdef TARGET_NR_ppoll
! 6624: if (num == TARGET_NR_ppoll) {
! 6625: struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
! 6626: target_sigset_t *target_set;
! 6627: sigset_t _set, *set = &_set;
! 6628:
! 6629: if (arg3) {
! 6630: if (target_to_host_timespec(timeout_ts, arg3)) {
! 6631: unlock_user(target_pfd, arg1, 0);
! 6632: goto efault;
! 6633: }
! 6634: } else {
! 6635: timeout_ts = NULL;
! 6636: }
! 6637:
! 6638: if (arg4) {
! 6639: target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
! 6640: if (!target_set) {
! 6641: unlock_user(target_pfd, arg1, 0);
! 6642: goto efault;
! 6643: }
! 6644: target_to_host_sigset(set, target_set);
! 6645: } else {
! 6646: set = NULL;
! 6647: }
! 6648:
! 6649: ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
! 6650:
! 6651: if (!is_error(ret) && arg3) {
! 6652: host_to_target_timespec(arg3, timeout_ts);
! 6653: }
! 6654: if (arg4) {
! 6655: unlock_user(target_set, arg4, 0);
! 6656: }
! 6657: } else
! 6658: # endif
! 6659: ret = get_errno(poll(pfd, nfds, timeout));
! 6660:
1.1 root 6661: if (!is_error(ret)) {
6662: for(i = 0; i < nfds; i++) {
6663: target_pfd[i].revents = tswap16(pfd[i].revents);
6664: }
6665: }
1.1.1.12! root 6666: unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
1.1 root 6667: }
6668: break;
1.1.1.6 root 6669: #endif
1.1 root 6670: case TARGET_NR_flock:
6671: /* NOTE: the flock constant seems to be the same for every
6672: Linux platform */
6673: ret = get_errno(flock(arg1, arg2));
6674: break;
6675: case TARGET_NR_readv:
6676: {
6677: int count = arg3;
6678: struct iovec *vec;
6679:
6680: vec = alloca(count * sizeof(struct iovec));
1.1.1.7 root 6681: if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
6682: goto efault;
1.1 root 6683: ret = get_errno(readv(arg1, vec, count));
1.1.1.3 root 6684: unlock_iovec(vec, arg2, count, 1);
1.1 root 6685: }
6686: break;
6687: case TARGET_NR_writev:
6688: {
6689: int count = arg3;
6690: struct iovec *vec;
6691:
6692: vec = alloca(count * sizeof(struct iovec));
1.1.1.7 root 6693: if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6694: goto efault;
1.1 root 6695: ret = get_errno(writev(arg1, vec, count));
1.1.1.3 root 6696: unlock_iovec(vec, arg2, count, 0);
1.1 root 6697: }
6698: break;
6699: case TARGET_NR_getsid:
6700: ret = get_errno(getsid(arg1));
6701: break;
1.1.1.6 root 6702: #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
1.1 root 6703: case TARGET_NR_fdatasync:
6704: ret = get_errno(fdatasync(arg1));
6705: break;
1.1.1.6 root 6706: #endif
1.1 root 6707: case TARGET_NR__sysctl:
1.1.1.6 root 6708: /* We don't implement this, but ENOTDIR is always a safe
1.1 root 6709: return value. */
1.1.1.6 root 6710: ret = -TARGET_ENOTDIR;
6711: break;
1.1.1.12! root 6712: case TARGET_NR_sched_getaffinity:
! 6713: {
! 6714: unsigned int mask_size;
! 6715: unsigned long *mask;
! 6716:
! 6717: /*
! 6718: * sched_getaffinity needs multiples of ulong, so need to take
! 6719: * care of mismatches between target ulong and host ulong sizes.
! 6720: */
! 6721: if (arg2 & (sizeof(abi_ulong) - 1)) {
! 6722: ret = -TARGET_EINVAL;
! 6723: break;
! 6724: }
! 6725: mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
! 6726:
! 6727: mask = alloca(mask_size);
! 6728: ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
! 6729:
! 6730: if (!is_error(ret)) {
! 6731: if (copy_to_user(arg3, mask, ret)) {
! 6732: goto efault;
! 6733: }
! 6734: }
! 6735: }
! 6736: break;
! 6737: case TARGET_NR_sched_setaffinity:
! 6738: {
! 6739: unsigned int mask_size;
! 6740: unsigned long *mask;
! 6741:
! 6742: /*
! 6743: * sched_setaffinity needs multiples of ulong, so need to take
! 6744: * care of mismatches between target ulong and host ulong sizes.
! 6745: */
! 6746: if (arg2 & (sizeof(abi_ulong) - 1)) {
! 6747: ret = -TARGET_EINVAL;
! 6748: break;
! 6749: }
! 6750: mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
! 6751:
! 6752: mask = alloca(mask_size);
! 6753: if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
! 6754: goto efault;
! 6755: }
! 6756: memcpy(mask, p, arg2);
! 6757: unlock_user_struct(p, arg2, 0);
! 6758:
! 6759: ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
! 6760: }
! 6761: break;
1.1 root 6762: case TARGET_NR_sched_setparam:
6763: {
1.1.1.3 root 6764: struct sched_param *target_schp;
1.1 root 6765: struct sched_param schp;
1.1.1.3 root 6766:
1.1.1.6 root 6767: if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
6768: goto efault;
1.1 root 6769: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 6770: unlock_user_struct(target_schp, arg2, 0);
1.1 root 6771: ret = get_errno(sched_setparam(arg1, &schp));
6772: }
6773: break;
6774: case TARGET_NR_sched_getparam:
6775: {
1.1.1.3 root 6776: struct sched_param *target_schp;
1.1 root 6777: struct sched_param schp;
6778: ret = get_errno(sched_getparam(arg1, &schp));
6779: if (!is_error(ret)) {
1.1.1.6 root 6780: if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
6781: goto efault;
1.1 root 6782: target_schp->sched_priority = tswap32(schp.sched_priority);
1.1.1.3 root 6783: unlock_user_struct(target_schp, arg2, 1);
1.1 root 6784: }
6785: }
6786: break;
6787: case TARGET_NR_sched_setscheduler:
6788: {
1.1.1.3 root 6789: struct sched_param *target_schp;
1.1 root 6790: struct sched_param schp;
1.1.1.6 root 6791: if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
6792: goto efault;
1.1 root 6793: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 6794: unlock_user_struct(target_schp, arg3, 0);
1.1 root 6795: ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
6796: }
6797: break;
6798: case TARGET_NR_sched_getscheduler:
6799: ret = get_errno(sched_getscheduler(arg1));
6800: break;
6801: case TARGET_NR_sched_yield:
6802: ret = get_errno(sched_yield());
6803: break;
6804: case TARGET_NR_sched_get_priority_max:
6805: ret = get_errno(sched_get_priority_max(arg1));
6806: break;
6807: case TARGET_NR_sched_get_priority_min:
6808: ret = get_errno(sched_get_priority_min(arg1));
6809: break;
6810: case TARGET_NR_sched_rr_get_interval:
6811: {
6812: struct timespec ts;
6813: ret = get_errno(sched_rr_get_interval(arg1, &ts));
6814: if (!is_error(ret)) {
1.1.1.3 root 6815: host_to_target_timespec(arg2, &ts);
1.1 root 6816: }
6817: }
6818: break;
6819: case TARGET_NR_nanosleep:
6820: {
6821: struct timespec req, rem;
1.1.1.3 root 6822: target_to_host_timespec(&req, arg1);
1.1 root 6823: ret = get_errno(nanosleep(&req, &rem));
1.1.1.3 root 6824: if (is_error(ret) && arg2) {
6825: host_to_target_timespec(arg2, &rem);
1.1 root 6826: }
6827: }
6828: break;
1.1.1.6 root 6829: #ifdef TARGET_NR_query_module
1.1 root 6830: case TARGET_NR_query_module:
6831: goto unimplemented;
1.1.1.6 root 6832: #endif
6833: #ifdef TARGET_NR_nfsservctl
1.1 root 6834: case TARGET_NR_nfsservctl:
6835: goto unimplemented;
1.1.1.6 root 6836: #endif
1.1 root 6837: case TARGET_NR_prctl:
1.1.1.6 root 6838: switch (arg1)
6839: {
6840: case PR_GET_PDEATHSIG:
6841: {
6842: int deathsig;
6843: ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
6844: if (!is_error(ret) && arg2
6845: && put_user_ual(deathsig, arg2))
6846: goto efault;
6847: }
6848: break;
6849: default:
6850: ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6851: break;
6852: }
6853: break;
6854: #ifdef TARGET_NR_arch_prctl
6855: case TARGET_NR_arch_prctl:
6856: #if defined(TARGET_I386) && !defined(TARGET_ABI32)
6857: ret = do_arch_prctl(cpu_env, arg1, arg2);
6858: break;
6859: #else
1.1 root 6860: goto unimplemented;
1.1.1.6 root 6861: #endif
6862: #endif
1.1 root 6863: #ifdef TARGET_NR_pread
6864: case TARGET_NR_pread:
1.1.1.12! root 6865: if (regpairs_aligned(cpu_env))
1.1.1.7 root 6866: arg4 = arg5;
1.1.1.6 root 6867: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6868: goto efault;
1.1.1.3 root 6869: ret = get_errno(pread(arg1, p, arg3, arg4));
6870: unlock_user(p, arg2, ret);
1.1 root 6871: break;
6872: case TARGET_NR_pwrite:
1.1.1.12! root 6873: if (regpairs_aligned(cpu_env))
1.1.1.7 root 6874: arg4 = arg5;
1.1.1.6 root 6875: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6876: goto efault;
1.1.1.3 root 6877: ret = get_errno(pwrite(arg1, p, arg3, arg4));
6878: unlock_user(p, arg2, 0);
1.1 root 6879: break;
6880: #endif
1.1.1.7 root 6881: #ifdef TARGET_NR_pread64
6882: case TARGET_NR_pread64:
6883: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6884: goto efault;
6885: ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6886: unlock_user(p, arg2, ret);
6887: break;
6888: case TARGET_NR_pwrite64:
6889: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6890: goto efault;
6891: ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6892: unlock_user(p, arg2, 0);
6893: break;
6894: #endif
1.1 root 6895: case TARGET_NR_getcwd:
1.1.1.6 root 6896: if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6897: goto efault;
1.1.1.3 root 6898: ret = get_errno(sys_getcwd1(p, arg2));
6899: unlock_user(p, arg1, ret);
1.1 root 6900: break;
6901: case TARGET_NR_capget:
6902: goto unimplemented;
6903: case TARGET_NR_capset:
6904: goto unimplemented;
6905: case TARGET_NR_sigaltstack:
1.1.1.6 root 6906: #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
1.1.1.9 root 6907: defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
1.1.1.12! root 6908: defined(TARGET_M68K) || defined(TARGET_S390X)
1.1.1.6 root 6909: ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
6910: break;
6911: #else
1.1 root 6912: goto unimplemented;
1.1.1.6 root 6913: #endif
1.1 root 6914: case TARGET_NR_sendfile:
6915: goto unimplemented;
6916: #ifdef TARGET_NR_getpmsg
6917: case TARGET_NR_getpmsg:
6918: goto unimplemented;
6919: #endif
6920: #ifdef TARGET_NR_putpmsg
6921: case TARGET_NR_putpmsg:
6922: goto unimplemented;
6923: #endif
1.1.1.2 root 6924: #ifdef TARGET_NR_vfork
1.1 root 6925: case TARGET_NR_vfork:
1.1.1.7 root 6926: ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6927: 0, 0, 0, 0));
1.1 root 6928: break;
1.1.1.2 root 6929: #endif
1.1 root 6930: #ifdef TARGET_NR_ugetrlimit
6931: case TARGET_NR_ugetrlimit:
6932: {
6933: struct rlimit rlim;
1.1.1.12! root 6934: int resource = target_to_host_resource(arg1);
! 6935: ret = get_errno(getrlimit(resource, &rlim));
1.1 root 6936: if (!is_error(ret)) {
1.1.1.3 root 6937: struct target_rlimit *target_rlim;
1.1.1.6 root 6938: if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6939: goto efault;
1.1.1.10 root 6940: target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6941: target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
1.1.1.3 root 6942: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 6943: }
6944: break;
6945: }
6946: #endif
6947: #ifdef TARGET_NR_truncate64
6948: case TARGET_NR_truncate64:
1.1.1.6 root 6949: if (!(p = lock_user_string(arg1)))
6950: goto efault;
1.1.1.3 root 6951: ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6952: unlock_user(p, arg1, 0);
1.1 root 6953: break;
6954: #endif
6955: #ifdef TARGET_NR_ftruncate64
6956: case TARGET_NR_ftruncate64:
1.1.1.3 root 6957: ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
1.1 root 6958: break;
6959: #endif
6960: #ifdef TARGET_NR_stat64
6961: case TARGET_NR_stat64:
1.1.1.6 root 6962: if (!(p = lock_user_string(arg1)))
6963: goto efault;
1.1.1.3 root 6964: ret = get_errno(stat(path(p), &st));
6965: unlock_user(p, arg1, 0);
1.1.1.7 root 6966: if (!is_error(ret))
6967: ret = host_to_target_stat64(cpu_env, arg2, &st);
6968: break;
1.1 root 6969: #endif
6970: #ifdef TARGET_NR_lstat64
6971: case TARGET_NR_lstat64:
1.1.1.6 root 6972: if (!(p = lock_user_string(arg1)))
6973: goto efault;
1.1.1.3 root 6974: ret = get_errno(lstat(path(p), &st));
6975: unlock_user(p, arg1, 0);
1.1.1.7 root 6976: if (!is_error(ret))
6977: ret = host_to_target_stat64(cpu_env, arg2, &st);
6978: break;
1.1 root 6979: #endif
6980: #ifdef TARGET_NR_fstat64
6981: case TARGET_NR_fstat64:
1.1.1.7 root 6982: ret = get_errno(fstat(arg1, &st));
6983: if (!is_error(ret))
6984: ret = host_to_target_stat64(cpu_env, arg2, &st);
6985: break;
1.1 root 6986: #endif
1.1.1.8 root 6987: #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6988: (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6989: #ifdef TARGET_NR_fstatat64
1.1.1.7 root 6990: case TARGET_NR_fstatat64:
1.1.1.8 root 6991: #endif
6992: #ifdef TARGET_NR_newfstatat
6993: case TARGET_NR_newfstatat:
6994: #endif
1.1.1.7 root 6995: if (!(p = lock_user_string(arg2)))
6996: goto efault;
1.1.1.8 root 6997: #ifdef __NR_fstatat64
1.1.1.7 root 6998: ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
1.1.1.8 root 6999: #else
7000: ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
7001: #endif
1.1.1.7 root 7002: if (!is_error(ret))
7003: ret = host_to_target_stat64(cpu_env, arg3, &st);
1.1 root 7004: break;
7005: #endif
7006: case TARGET_NR_lchown:
1.1.1.6 root 7007: if (!(p = lock_user_string(arg1)))
7008: goto efault;
1.1.1.3 root 7009: ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
7010: unlock_user(p, arg1, 0);
1.1 root 7011: break;
1.1.1.12! root 7012: #ifdef TARGET_NR_getuid
1.1 root 7013: case TARGET_NR_getuid:
7014: ret = get_errno(high2lowuid(getuid()));
7015: break;
1.1.1.12! root 7016: #endif
! 7017: #ifdef TARGET_NR_getgid
1.1 root 7018: case TARGET_NR_getgid:
7019: ret = get_errno(high2lowgid(getgid()));
7020: break;
1.1.1.12! root 7021: #endif
! 7022: #ifdef TARGET_NR_geteuid
1.1 root 7023: case TARGET_NR_geteuid:
7024: ret = get_errno(high2lowuid(geteuid()));
7025: break;
1.1.1.12! root 7026: #endif
! 7027: #ifdef TARGET_NR_getegid
1.1 root 7028: case TARGET_NR_getegid:
7029: ret = get_errno(high2lowgid(getegid()));
7030: break;
1.1.1.12! root 7031: #endif
1.1 root 7032: case TARGET_NR_setreuid:
7033: ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
7034: break;
7035: case TARGET_NR_setregid:
7036: ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
7037: break;
7038: case TARGET_NR_getgroups:
7039: {
7040: int gidsetsize = arg1;
1.1.1.12! root 7041: target_id *target_grouplist;
1.1 root 7042: gid_t *grouplist;
7043: int i;
7044:
7045: grouplist = alloca(gidsetsize * sizeof(gid_t));
7046: ret = get_errno(getgroups(gidsetsize, grouplist));
1.1.1.7 root 7047: if (gidsetsize == 0)
7048: break;
1.1 root 7049: if (!is_error(ret)) {
1.1.1.6 root 7050: target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
7051: if (!target_grouplist)
7052: goto efault;
1.1.1.7 root 7053: for(i = 0;i < ret; i++)
1.1.1.12! root 7054: target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
1.1.1.3 root 7055: unlock_user(target_grouplist, arg2, gidsetsize * 2);
1.1 root 7056: }
7057: }
7058: break;
7059: case TARGET_NR_setgroups:
7060: {
7061: int gidsetsize = arg1;
1.1.1.12! root 7062: target_id *target_grouplist;
1.1 root 7063: gid_t *grouplist;
7064: int i;
7065:
7066: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.6 root 7067: target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
7068: if (!target_grouplist) {
7069: ret = -TARGET_EFAULT;
7070: goto fail;
7071: }
1.1 root 7072: for(i = 0;i < gidsetsize; i++)
1.1.1.12! root 7073: grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
1.1.1.3 root 7074: unlock_user(target_grouplist, arg2, 0);
1.1 root 7075: ret = get_errno(setgroups(gidsetsize, grouplist));
7076: }
7077: break;
7078: case TARGET_NR_fchown:
7079: ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
7080: break;
1.1.1.6 root 7081: #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
7082: case TARGET_NR_fchownat:
7083: if (!(p = lock_user_string(arg2)))
7084: goto efault;
7085: ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
7086: unlock_user(p, arg2, 0);
7087: break;
7088: #endif
1.1 root 7089: #ifdef TARGET_NR_setresuid
7090: case TARGET_NR_setresuid:
1.1.1.6 root 7091: ret = get_errno(setresuid(low2highuid(arg1),
7092: low2highuid(arg2),
1.1 root 7093: low2highuid(arg3)));
7094: break;
7095: #endif
7096: #ifdef TARGET_NR_getresuid
7097: case TARGET_NR_getresuid:
7098: {
1.1.1.3 root 7099: uid_t ruid, euid, suid;
1.1 root 7100: ret = get_errno(getresuid(&ruid, &euid, &suid));
7101: if (!is_error(ret)) {
1.1.1.6 root 7102: if (put_user_u16(high2lowuid(ruid), arg1)
7103: || put_user_u16(high2lowuid(euid), arg2)
7104: || put_user_u16(high2lowuid(suid), arg3))
7105: goto efault;
1.1 root 7106: }
7107: }
7108: break;
7109: #endif
7110: #ifdef TARGET_NR_getresgid
7111: case TARGET_NR_setresgid:
1.1.1.6 root 7112: ret = get_errno(setresgid(low2highgid(arg1),
7113: low2highgid(arg2),
1.1 root 7114: low2highgid(arg3)));
7115: break;
7116: #endif
7117: #ifdef TARGET_NR_getresgid
7118: case TARGET_NR_getresgid:
7119: {
1.1.1.3 root 7120: gid_t rgid, egid, sgid;
1.1 root 7121: ret = get_errno(getresgid(&rgid, &egid, &sgid));
7122: if (!is_error(ret)) {
1.1.1.6 root 7123: if (put_user_u16(high2lowgid(rgid), arg1)
7124: || put_user_u16(high2lowgid(egid), arg2)
7125: || put_user_u16(high2lowgid(sgid), arg3))
7126: goto efault;
1.1 root 7127: }
7128: }
7129: break;
7130: #endif
7131: case TARGET_NR_chown:
1.1.1.6 root 7132: if (!(p = lock_user_string(arg1)))
7133: goto efault;
1.1.1.3 root 7134: ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
7135: unlock_user(p, arg1, 0);
1.1 root 7136: break;
7137: case TARGET_NR_setuid:
7138: ret = get_errno(setuid(low2highuid(arg1)));
7139: break;
7140: case TARGET_NR_setgid:
7141: ret = get_errno(setgid(low2highgid(arg1)));
7142: break;
7143: case TARGET_NR_setfsuid:
7144: ret = get_errno(setfsuid(arg1));
7145: break;
7146: case TARGET_NR_setfsgid:
7147: ret = get_errno(setfsgid(arg1));
7148: break;
7149:
7150: #ifdef TARGET_NR_lchown32
7151: case TARGET_NR_lchown32:
1.1.1.6 root 7152: if (!(p = lock_user_string(arg1)))
7153: goto efault;
1.1.1.3 root 7154: ret = get_errno(lchown(p, arg2, arg3));
7155: unlock_user(p, arg1, 0);
1.1 root 7156: break;
7157: #endif
7158: #ifdef TARGET_NR_getuid32
7159: case TARGET_NR_getuid32:
7160: ret = get_errno(getuid());
7161: break;
7162: #endif
1.1.1.7 root 7163:
7164: #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
7165: /* Alpha specific */
7166: case TARGET_NR_getxuid:
1.1.1.10 root 7167: {
7168: uid_t euid;
7169: euid=geteuid();
7170: ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
7171: }
1.1.1.7 root 7172: ret = get_errno(getuid());
7173: break;
7174: #endif
7175: #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
7176: /* Alpha specific */
7177: case TARGET_NR_getxgid:
1.1.1.10 root 7178: {
7179: uid_t egid;
7180: egid=getegid();
7181: ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
7182: }
1.1.1.7 root 7183: ret = get_errno(getgid());
7184: break;
7185: #endif
1.1.1.10 root 7186: #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
7187: /* Alpha specific */
7188: case TARGET_NR_osf_getsysinfo:
7189: ret = -TARGET_EOPNOTSUPP;
7190: switch (arg1) {
7191: case TARGET_GSI_IEEE_FP_CONTROL:
7192: {
7193: uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
7194:
7195: /* Copied from linux ieee_fpcr_to_swcr. */
7196: swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
7197: swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
7198: swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
7199: | SWCR_TRAP_ENABLE_DZE
7200: | SWCR_TRAP_ENABLE_OVF);
7201: swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
7202: | SWCR_TRAP_ENABLE_INE);
7203: swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
7204: swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
7205:
7206: if (put_user_u64 (swcr, arg2))
7207: goto efault;
7208: ret = 0;
7209: }
7210: break;
7211:
7212: /* case GSI_IEEE_STATE_AT_SIGNAL:
7213: -- Not implemented in linux kernel.
7214: case GSI_UACPROC:
7215: -- Retrieves current unaligned access state; not much used.
7216: case GSI_PROC_TYPE:
7217: -- Retrieves implver information; surely not used.
7218: case GSI_GET_HWRPB:
7219: -- Grabs a copy of the HWRPB; surely not used.
7220: */
7221: }
7222: break;
7223: #endif
7224: #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
7225: /* Alpha specific */
7226: case TARGET_NR_osf_setsysinfo:
7227: ret = -TARGET_EOPNOTSUPP;
7228: switch (arg1) {
7229: case TARGET_SSI_IEEE_FP_CONTROL:
7230: case TARGET_SSI_IEEE_RAISE_EXCEPTION:
7231: {
7232: uint64_t swcr, fpcr, orig_fpcr;
7233:
7234: if (get_user_u64 (swcr, arg2))
7235: goto efault;
7236: orig_fpcr = cpu_alpha_load_fpcr (cpu_env);
7237: fpcr = orig_fpcr & FPCR_DYN_MASK;
7238:
7239: /* Copied from linux ieee_swcr_to_fpcr. */
7240: fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
7241: fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
7242: fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
7243: | SWCR_TRAP_ENABLE_DZE
7244: | SWCR_TRAP_ENABLE_OVF)) << 48;
7245: fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
7246: | SWCR_TRAP_ENABLE_INE)) << 57;
7247: fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
7248: fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
7249:
7250: cpu_alpha_store_fpcr (cpu_env, fpcr);
7251: ret = 0;
7252:
7253: if (arg1 == TARGET_SSI_IEEE_RAISE_EXCEPTION) {
7254: /* Old exceptions are not signaled. */
7255: fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
7256:
7257: /* If any exceptions set by this call, and are unmasked,
7258: send a signal. */
7259: /* ??? FIXME */
7260: }
7261: }
7262: break;
7263:
7264: /* case SSI_NVPAIRS:
7265: -- Used with SSIN_UACPROC to enable unaligned accesses.
7266: case SSI_IEEE_STATE_AT_SIGNAL:
7267: case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
7268: -- Not implemented in linux kernel
7269: */
7270: }
7271: break;
7272: #endif
7273: #ifdef TARGET_NR_osf_sigprocmask
7274: /* Alpha specific. */
7275: case TARGET_NR_osf_sigprocmask:
7276: {
7277: abi_ulong mask;
1.1.1.12! root 7278: int how;
1.1.1.10 root 7279: sigset_t set, oldset;
7280:
7281: switch(arg1) {
7282: case TARGET_SIG_BLOCK:
7283: how = SIG_BLOCK;
7284: break;
7285: case TARGET_SIG_UNBLOCK:
7286: how = SIG_UNBLOCK;
7287: break;
7288: case TARGET_SIG_SETMASK:
7289: how = SIG_SETMASK;
7290: break;
7291: default:
7292: ret = -TARGET_EINVAL;
7293: goto fail;
7294: }
7295: mask = arg2;
7296: target_to_host_old_sigset(&set, &mask);
1.1.1.12! root 7297: sigprocmask(how, &set, &oldset);
1.1.1.10 root 7298: host_to_target_old_sigset(&mask, &oldset);
7299: ret = mask;
7300: }
7301: break;
7302: #endif
1.1.1.7 root 7303:
1.1 root 7304: #ifdef TARGET_NR_getgid32
7305: case TARGET_NR_getgid32:
7306: ret = get_errno(getgid());
7307: break;
7308: #endif
7309: #ifdef TARGET_NR_geteuid32
7310: case TARGET_NR_geteuid32:
7311: ret = get_errno(geteuid());
7312: break;
7313: #endif
7314: #ifdef TARGET_NR_getegid32
7315: case TARGET_NR_getegid32:
7316: ret = get_errno(getegid());
7317: break;
7318: #endif
7319: #ifdef TARGET_NR_setreuid32
7320: case TARGET_NR_setreuid32:
7321: ret = get_errno(setreuid(arg1, arg2));
7322: break;
7323: #endif
7324: #ifdef TARGET_NR_setregid32
7325: case TARGET_NR_setregid32:
7326: ret = get_errno(setregid(arg1, arg2));
7327: break;
7328: #endif
7329: #ifdef TARGET_NR_getgroups32
7330: case TARGET_NR_getgroups32:
7331: {
7332: int gidsetsize = arg1;
1.1.1.3 root 7333: uint32_t *target_grouplist;
1.1 root 7334: gid_t *grouplist;
7335: int i;
7336:
7337: grouplist = alloca(gidsetsize * sizeof(gid_t));
7338: ret = get_errno(getgroups(gidsetsize, grouplist));
1.1.1.7 root 7339: if (gidsetsize == 0)
7340: break;
1.1 root 7341: if (!is_error(ret)) {
1.1.1.6 root 7342: target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
7343: if (!target_grouplist) {
7344: ret = -TARGET_EFAULT;
7345: goto fail;
7346: }
1.1.1.7 root 7347: for(i = 0;i < ret; i++)
1.1.1.3 root 7348: target_grouplist[i] = tswap32(grouplist[i]);
7349: unlock_user(target_grouplist, arg2, gidsetsize * 4);
1.1 root 7350: }
7351: }
7352: break;
7353: #endif
7354: #ifdef TARGET_NR_setgroups32
7355: case TARGET_NR_setgroups32:
7356: {
7357: int gidsetsize = arg1;
1.1.1.3 root 7358: uint32_t *target_grouplist;
1.1 root 7359: gid_t *grouplist;
7360: int i;
1.1.1.6 root 7361:
1.1 root 7362: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.6 root 7363: target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
7364: if (!target_grouplist) {
7365: ret = -TARGET_EFAULT;
7366: goto fail;
7367: }
1.1 root 7368: for(i = 0;i < gidsetsize; i++)
1.1.1.3 root 7369: grouplist[i] = tswap32(target_grouplist[i]);
7370: unlock_user(target_grouplist, arg2, 0);
1.1 root 7371: ret = get_errno(setgroups(gidsetsize, grouplist));
7372: }
7373: break;
7374: #endif
7375: #ifdef TARGET_NR_fchown32
7376: case TARGET_NR_fchown32:
7377: ret = get_errno(fchown(arg1, arg2, arg3));
7378: break;
7379: #endif
7380: #ifdef TARGET_NR_setresuid32
7381: case TARGET_NR_setresuid32:
7382: ret = get_errno(setresuid(arg1, arg2, arg3));
7383: break;
7384: #endif
7385: #ifdef TARGET_NR_getresuid32
7386: case TARGET_NR_getresuid32:
7387: {
1.1.1.3 root 7388: uid_t ruid, euid, suid;
1.1 root 7389: ret = get_errno(getresuid(&ruid, &euid, &suid));
7390: if (!is_error(ret)) {
1.1.1.6 root 7391: if (put_user_u32(ruid, arg1)
7392: || put_user_u32(euid, arg2)
7393: || put_user_u32(suid, arg3))
7394: goto efault;
1.1 root 7395: }
7396: }
7397: break;
7398: #endif
7399: #ifdef TARGET_NR_setresgid32
7400: case TARGET_NR_setresgid32:
7401: ret = get_errno(setresgid(arg1, arg2, arg3));
7402: break;
7403: #endif
7404: #ifdef TARGET_NR_getresgid32
7405: case TARGET_NR_getresgid32:
7406: {
1.1.1.3 root 7407: gid_t rgid, egid, sgid;
1.1 root 7408: ret = get_errno(getresgid(&rgid, &egid, &sgid));
7409: if (!is_error(ret)) {
1.1.1.6 root 7410: if (put_user_u32(rgid, arg1)
7411: || put_user_u32(egid, arg2)
7412: || put_user_u32(sgid, arg3))
7413: goto efault;
1.1 root 7414: }
7415: }
7416: break;
7417: #endif
7418: #ifdef TARGET_NR_chown32
7419: case TARGET_NR_chown32:
1.1.1.6 root 7420: if (!(p = lock_user_string(arg1)))
7421: goto efault;
1.1.1.3 root 7422: ret = get_errno(chown(p, arg2, arg3));
7423: unlock_user(p, arg1, 0);
1.1 root 7424: break;
7425: #endif
7426: #ifdef TARGET_NR_setuid32
7427: case TARGET_NR_setuid32:
7428: ret = get_errno(setuid(arg1));
7429: break;
7430: #endif
7431: #ifdef TARGET_NR_setgid32
7432: case TARGET_NR_setgid32:
7433: ret = get_errno(setgid(arg1));
7434: break;
7435: #endif
7436: #ifdef TARGET_NR_setfsuid32
7437: case TARGET_NR_setfsuid32:
7438: ret = get_errno(setfsuid(arg1));
7439: break;
7440: #endif
7441: #ifdef TARGET_NR_setfsgid32
7442: case TARGET_NR_setfsgid32:
7443: ret = get_errno(setfsgid(arg1));
7444: break;
7445: #endif
7446:
7447: case TARGET_NR_pivot_root:
7448: goto unimplemented;
7449: #ifdef TARGET_NR_mincore
7450: case TARGET_NR_mincore:
1.1.1.7 root 7451: {
7452: void *a;
7453: ret = -TARGET_EFAULT;
7454: if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
7455: goto efault;
7456: if (!(p = lock_user_string(arg3)))
7457: goto mincore_fail;
7458: ret = get_errno(mincore(a, arg2, p));
7459: unlock_user(p, arg3, ret);
7460: mincore_fail:
7461: unlock_user(a, arg1, 0);
7462: }
7463: break;
7464: #endif
7465: #ifdef TARGET_NR_arm_fadvise64_64
7466: case TARGET_NR_arm_fadvise64_64:
7467: {
7468: /*
7469: * arm_fadvise64_64 looks like fadvise64_64 but
7470: * with different argument order
7471: */
7472: abi_long temp;
7473: temp = arg3;
7474: arg3 = arg4;
7475: arg4 = temp;
7476: }
7477: #endif
1.1.1.9 root 7478: #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
1.1.1.7 root 7479: #ifdef TARGET_NR_fadvise64_64
7480: case TARGET_NR_fadvise64_64:
7481: #endif
1.1.1.9 root 7482: #ifdef TARGET_NR_fadvise64
7483: case TARGET_NR_fadvise64:
7484: #endif
7485: #ifdef TARGET_S390X
7486: switch (arg4) {
7487: case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
7488: case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
7489: case 6: arg4 = POSIX_FADV_DONTNEED; break;
7490: case 7: arg4 = POSIX_FADV_NOREUSE; break;
7491: default: break;
7492: }
7493: #endif
7494: ret = -posix_fadvise(arg1, arg2, arg3, arg4);
1.1.1.7 root 7495: break;
1.1 root 7496: #endif
7497: #ifdef TARGET_NR_madvise
7498: case TARGET_NR_madvise:
1.1.1.3 root 7499: /* A straight passthrough may not be safe because qemu sometimes
7500: turns private flie-backed mappings into anonymous mappings.
7501: This will break MADV_DONTNEED.
7502: This is a hint, so ignoring and returning success is ok. */
7503: ret = get_errno(0);
7504: break;
1.1 root 7505: #endif
1.1.1.6 root 7506: #if TARGET_ABI_BITS == 32
1.1 root 7507: case TARGET_NR_fcntl64:
7508: {
1.1.1.6 root 7509: int cmd;
1.1 root 7510: struct flock64 fl;
1.1.1.3 root 7511: struct target_flock64 *target_fl;
7512: #ifdef TARGET_ARM
7513: struct target_eabi_flock64 *target_efl;
7514: #endif
1.1 root 7515:
1.1.1.8 root 7516: cmd = target_to_host_fcntl_cmd(arg2);
7517: if (cmd == -TARGET_EINVAL)
7518: return cmd;
1.1.1.6 root 7519:
1.1 root 7520: switch(arg2) {
1.1.1.6 root 7521: case TARGET_F_GETLK64:
7522: #ifdef TARGET_ARM
7523: if (((CPUARMState *)cpu_env)->eabi) {
7524: if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
7525: goto efault;
7526: fl.l_type = tswap16(target_efl->l_type);
7527: fl.l_whence = tswap16(target_efl->l_whence);
7528: fl.l_start = tswap64(target_efl->l_start);
7529: fl.l_len = tswap64(target_efl->l_len);
1.1.1.9 root 7530: fl.l_pid = tswap32(target_efl->l_pid);
1.1.1.6 root 7531: unlock_user_struct(target_efl, arg3, 0);
7532: } else
7533: #endif
7534: {
7535: if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
7536: goto efault;
7537: fl.l_type = tswap16(target_fl->l_type);
7538: fl.l_whence = tswap16(target_fl->l_whence);
7539: fl.l_start = tswap64(target_fl->l_start);
7540: fl.l_len = tswap64(target_fl->l_len);
1.1.1.9 root 7541: fl.l_pid = tswap32(target_fl->l_pid);
1.1.1.6 root 7542: unlock_user_struct(target_fl, arg3, 0);
7543: }
7544: ret = get_errno(fcntl(arg1, cmd, &fl));
1.1 root 7545: if (ret == 0) {
1.1.1.3 root 7546: #ifdef TARGET_ARM
7547: if (((CPUARMState *)cpu_env)->eabi) {
1.1.1.6 root 7548: if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
7549: goto efault;
1.1.1.3 root 7550: target_efl->l_type = tswap16(fl.l_type);
7551: target_efl->l_whence = tswap16(fl.l_whence);
7552: target_efl->l_start = tswap64(fl.l_start);
7553: target_efl->l_len = tswap64(fl.l_len);
1.1.1.9 root 7554: target_efl->l_pid = tswap32(fl.l_pid);
1.1.1.3 root 7555: unlock_user_struct(target_efl, arg3, 1);
7556: } else
7557: #endif
7558: {
1.1.1.6 root 7559: if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
7560: goto efault;
1.1.1.3 root 7561: target_fl->l_type = tswap16(fl.l_type);
7562: target_fl->l_whence = tswap16(fl.l_whence);
7563: target_fl->l_start = tswap64(fl.l_start);
7564: target_fl->l_len = tswap64(fl.l_len);
1.1.1.9 root 7565: target_fl->l_pid = tswap32(fl.l_pid);
1.1.1.3 root 7566: unlock_user_struct(target_fl, arg3, 1);
7567: }
1.1 root 7568: }
7569: break;
7570:
1.1.1.6 root 7571: case TARGET_F_SETLK64:
7572: case TARGET_F_SETLKW64:
1.1.1.3 root 7573: #ifdef TARGET_ARM
7574: if (((CPUARMState *)cpu_env)->eabi) {
1.1.1.6 root 7575: if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
7576: goto efault;
1.1.1.3 root 7577: fl.l_type = tswap16(target_efl->l_type);
7578: fl.l_whence = tswap16(target_efl->l_whence);
7579: fl.l_start = tswap64(target_efl->l_start);
7580: fl.l_len = tswap64(target_efl->l_len);
1.1.1.9 root 7581: fl.l_pid = tswap32(target_efl->l_pid);
1.1.1.3 root 7582: unlock_user_struct(target_efl, arg3, 0);
7583: } else
7584: #endif
7585: {
1.1.1.6 root 7586: if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
7587: goto efault;
1.1.1.3 root 7588: fl.l_type = tswap16(target_fl->l_type);
7589: fl.l_whence = tswap16(target_fl->l_whence);
7590: fl.l_start = tswap64(target_fl->l_start);
7591: fl.l_len = tswap64(target_fl->l_len);
1.1.1.9 root 7592: fl.l_pid = tswap32(target_fl->l_pid);
1.1.1.3 root 7593: unlock_user_struct(target_fl, arg3, 0);
7594: }
1.1.1.6 root 7595: ret = get_errno(fcntl(arg1, cmd, &fl));
1.1 root 7596: break;
7597: default:
1.1.1.8 root 7598: ret = do_fcntl(arg1, arg2, arg3);
1.1 root 7599: break;
7600: }
7601: break;
7602: }
7603: #endif
1.1.1.5 root 7604: #ifdef TARGET_NR_cacheflush
7605: case TARGET_NR_cacheflush:
7606: /* self-modifying code is handled automatically, so nothing needed */
7607: ret = 0;
7608: break;
7609: #endif
1.1 root 7610: #ifdef TARGET_NR_security
7611: case TARGET_NR_security:
7612: goto unimplemented;
7613: #endif
7614: #ifdef TARGET_NR_getpagesize
7615: case TARGET_NR_getpagesize:
7616: ret = TARGET_PAGE_SIZE;
7617: break;
7618: #endif
7619: case TARGET_NR_gettid:
7620: ret = get_errno(gettid());
7621: break;
1.1.1.6 root 7622: #ifdef TARGET_NR_readahead
1.1 root 7623: case TARGET_NR_readahead:
1.1.1.7 root 7624: #if TARGET_ABI_BITS == 32
1.1.1.12! root 7625: if (regpairs_aligned(cpu_env)) {
1.1.1.7 root 7626: arg2 = arg3;
7627: arg3 = arg4;
7628: arg4 = arg5;
7629: }
7630: ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
7631: #else
7632: ret = get_errno(readahead(arg1, arg2, arg3));
7633: #endif
7634: break;
1.1.1.6 root 7635: #endif
1.1 root 7636: #ifdef TARGET_NR_setxattr
7637: case TARGET_NR_setxattr:
7638: case TARGET_NR_lsetxattr:
7639: case TARGET_NR_fsetxattr:
7640: case TARGET_NR_getxattr:
7641: case TARGET_NR_lgetxattr:
7642: case TARGET_NR_fgetxattr:
7643: case TARGET_NR_listxattr:
7644: case TARGET_NR_llistxattr:
7645: case TARGET_NR_flistxattr:
7646: case TARGET_NR_removexattr:
7647: case TARGET_NR_lremovexattr:
7648: case TARGET_NR_fremovexattr:
1.1.1.8 root 7649: ret = -TARGET_EOPNOTSUPP;
7650: break;
1.1 root 7651: #endif
7652: #ifdef TARGET_NR_set_thread_area
7653: case TARGET_NR_set_thread_area:
1.1.1.6 root 7654: #if defined(TARGET_MIPS)
7655: ((CPUMIPSState *) cpu_env)->tls_value = arg1;
7656: ret = 0;
7657: break;
1.1.1.7 root 7658: #elif defined(TARGET_CRIS)
7659: if (arg1 & 0xff)
7660: ret = -TARGET_EINVAL;
7661: else {
7662: ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
7663: ret = 0;
7664: }
7665: break;
1.1.1.6 root 7666: #elif defined(TARGET_I386) && defined(TARGET_ABI32)
7667: ret = do_set_thread_area(cpu_env, arg1);
7668: break;
7669: #else
7670: goto unimplemented_nowarn;
7671: #endif
7672: #endif
7673: #ifdef TARGET_NR_get_thread_area
1.1 root 7674: case TARGET_NR_get_thread_area:
1.1.1.6 root 7675: #if defined(TARGET_I386) && defined(TARGET_ABI32)
7676: ret = do_get_thread_area(cpu_env, arg1);
7677: #else
1.1 root 7678: goto unimplemented_nowarn;
7679: #endif
1.1.1.6 root 7680: #endif
1.1.1.4 root 7681: #ifdef TARGET_NR_getdomainname
7682: case TARGET_NR_getdomainname:
7683: goto unimplemented_nowarn;
7684: #endif
1.1.1.6 root 7685:
7686: #ifdef TARGET_NR_clock_gettime
7687: case TARGET_NR_clock_gettime:
7688: {
7689: struct timespec ts;
7690: ret = get_errno(clock_gettime(arg1, &ts));
7691: if (!is_error(ret)) {
7692: host_to_target_timespec(arg2, &ts);
7693: }
7694: break;
7695: }
7696: #endif
7697: #ifdef TARGET_NR_clock_getres
7698: case TARGET_NR_clock_getres:
7699: {
7700: struct timespec ts;
7701: ret = get_errno(clock_getres(arg1, &ts));
7702: if (!is_error(ret)) {
7703: host_to_target_timespec(arg2, &ts);
7704: }
7705: break;
7706: }
7707: #endif
1.1.1.7 root 7708: #ifdef TARGET_NR_clock_nanosleep
7709: case TARGET_NR_clock_nanosleep:
7710: {
7711: struct timespec ts;
7712: target_to_host_timespec(&ts, arg3);
7713: ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
7714: if (arg4)
7715: host_to_target_timespec(arg4, &ts);
7716: break;
7717: }
7718: #endif
1.1.1.6 root 7719:
7720: #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
7721: case TARGET_NR_set_tid_address:
7722: ret = get_errno(set_tid_address((int *)g2h(arg1)));
7723: break;
7724: #endif
7725:
7726: #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
7727: case TARGET_NR_tkill:
1.1.1.7 root 7728: ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
1.1.1.6 root 7729: break;
7730: #endif
7731:
7732: #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
7733: case TARGET_NR_tgkill:
1.1.1.7 root 7734: ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
7735: target_to_host_signal(arg3)));
1.1.1.6 root 7736: break;
7737: #endif
7738:
7739: #ifdef TARGET_NR_set_robust_list
7740: case TARGET_NR_set_robust_list:
7741: goto unimplemented_nowarn;
7742: #endif
7743:
7744: #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
7745: case TARGET_NR_utimensat:
7746: {
1.1.1.8 root 7747: struct timespec *tsp, ts[2];
7748: if (!arg3) {
7749: tsp = NULL;
7750: } else {
7751: target_to_host_timespec(ts, arg3);
7752: target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
7753: tsp = ts;
7754: }
1.1.1.6 root 7755: if (!arg2)
1.1.1.8 root 7756: ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
1.1.1.6 root 7757: else {
7758: if (!(p = lock_user_string(arg2))) {
7759: ret = -TARGET_EFAULT;
7760: goto fail;
7761: }
1.1.1.8 root 7762: ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
1.1.1.6 root 7763: unlock_user(p, arg2, 0);
7764: }
7765: }
7766: break;
7767: #endif
1.1.1.9 root 7768: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 7769: case TARGET_NR_futex:
7770: ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
7771: break;
7772: #endif
1.1.1.8 root 7773: #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
1.1.1.7 root 7774: case TARGET_NR_inotify_init:
7775: ret = get_errno(sys_inotify_init());
7776: break;
7777: #endif
1.1.1.10 root 7778: #ifdef CONFIG_INOTIFY1
7779: #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
7780: case TARGET_NR_inotify_init1:
7781: ret = get_errno(sys_inotify_init1(arg1));
7782: break;
7783: #endif
7784: #endif
1.1.1.8 root 7785: #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
1.1.1.7 root 7786: case TARGET_NR_inotify_add_watch:
7787: p = lock_user_string(arg2);
7788: ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
7789: unlock_user(p, arg2, 0);
7790: break;
7791: #endif
1.1.1.8 root 7792: #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
1.1.1.7 root 7793: case TARGET_NR_inotify_rm_watch:
7794: ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
7795: break;
7796: #endif
1.1.1.6 root 7797:
1.1.1.9 root 7798: #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1.1.1.8 root 7799: case TARGET_NR_mq_open:
7800: {
7801: struct mq_attr posix_mq_attr;
7802:
7803: p = lock_user_string(arg1 - 1);
7804: if (arg4 != 0)
7805: copy_from_user_mq_attr (&posix_mq_attr, arg4);
7806: ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
7807: unlock_user (p, arg1, 0);
7808: }
7809: break;
7810:
7811: case TARGET_NR_mq_unlink:
7812: p = lock_user_string(arg1 - 1);
7813: ret = get_errno(mq_unlink(p));
7814: unlock_user (p, arg1, 0);
7815: break;
7816:
7817: case TARGET_NR_mq_timedsend:
7818: {
7819: struct timespec ts;
7820:
7821: p = lock_user (VERIFY_READ, arg2, arg3, 1);
7822: if (arg5 != 0) {
7823: target_to_host_timespec(&ts, arg5);
7824: ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
7825: host_to_target_timespec(arg5, &ts);
7826: }
7827: else
7828: ret = get_errno(mq_send(arg1, p, arg3, arg4));
7829: unlock_user (p, arg2, arg3);
7830: }
7831: break;
7832:
7833: case TARGET_NR_mq_timedreceive:
7834: {
7835: struct timespec ts;
7836: unsigned int prio;
7837:
7838: p = lock_user (VERIFY_READ, arg2, arg3, 1);
7839: if (arg5 != 0) {
7840: target_to_host_timespec(&ts, arg5);
7841: ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
7842: host_to_target_timespec(arg5, &ts);
7843: }
7844: else
7845: ret = get_errno(mq_receive(arg1, p, arg3, &prio));
7846: unlock_user (p, arg2, arg3);
7847: if (arg4 != 0)
7848: put_user_u32(prio, arg4);
7849: }
7850: break;
7851:
7852: /* Not implemented for now... */
7853: /* case TARGET_NR_mq_notify: */
7854: /* break; */
7855:
7856: case TARGET_NR_mq_getsetattr:
7857: {
7858: struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
7859: ret = 0;
7860: if (arg3 != 0) {
7861: ret = mq_getattr(arg1, &posix_mq_attr_out);
7862: copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
7863: }
7864: if (arg2 != 0) {
7865: copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
7866: ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
7867: }
7868:
7869: }
7870: break;
7871: #endif
7872:
7873: #ifdef CONFIG_SPLICE
7874: #ifdef TARGET_NR_tee
7875: case TARGET_NR_tee:
7876: {
7877: ret = get_errno(tee(arg1,arg2,arg3,arg4));
7878: }
7879: break;
7880: #endif
7881: #ifdef TARGET_NR_splice
7882: case TARGET_NR_splice:
7883: {
7884: loff_t loff_in, loff_out;
7885: loff_t *ploff_in = NULL, *ploff_out = NULL;
7886: if(arg2) {
7887: get_user_u64(loff_in, arg2);
7888: ploff_in = &loff_in;
7889: }
7890: if(arg4) {
7891: get_user_u64(loff_out, arg2);
7892: ploff_out = &loff_out;
7893: }
7894: ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
7895: }
7896: break;
7897: #endif
7898: #ifdef TARGET_NR_vmsplice
7899: case TARGET_NR_vmsplice:
7900: {
7901: int count = arg3;
7902: struct iovec *vec;
7903:
7904: vec = alloca(count * sizeof(struct iovec));
7905: if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
7906: goto efault;
7907: ret = get_errno(vmsplice(arg1, vec, count, arg4));
7908: unlock_iovec(vec, arg2, count, 0);
7909: }
7910: break;
7911: #endif
7912: #endif /* CONFIG_SPLICE */
1.1.1.9 root 7913: #ifdef CONFIG_EVENTFD
7914: #if defined(TARGET_NR_eventfd)
7915: case TARGET_NR_eventfd:
7916: ret = get_errno(eventfd(arg1, 0));
7917: break;
7918: #endif
7919: #if defined(TARGET_NR_eventfd2)
7920: case TARGET_NR_eventfd2:
7921: ret = get_errno(eventfd(arg1, arg2));
7922: break;
7923: #endif
7924: #endif /* CONFIG_EVENTFD */
7925: #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
7926: case TARGET_NR_fallocate:
7927: ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
7928: break;
7929: #endif
1.1.1.11 root 7930: #if defined(CONFIG_SYNC_FILE_RANGE)
7931: #if defined(TARGET_NR_sync_file_range)
7932: case TARGET_NR_sync_file_range:
7933: #if TARGET_ABI_BITS == 32
1.1.1.12! root 7934: #if defined(TARGET_MIPS)
! 7935: ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
! 7936: target_offset64(arg5, arg6), arg7));
! 7937: #else
1.1.1.11 root 7938: ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
7939: target_offset64(arg4, arg5), arg6));
1.1.1.12! root 7940: #endif /* !TARGET_MIPS */
1.1.1.11 root 7941: #else
7942: ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
7943: #endif
7944: break;
7945: #endif
7946: #if defined(TARGET_NR_sync_file_range2)
7947: case TARGET_NR_sync_file_range2:
7948: /* This is like sync_file_range but the arguments are reordered */
7949: #if TARGET_ABI_BITS == 32
7950: ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
7951: target_offset64(arg5, arg6), arg2));
7952: #else
7953: ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
7954: #endif
7955: break;
7956: #endif
7957: #endif
1.1.1.12! root 7958: #if defined(CONFIG_EPOLL)
! 7959: #if defined(TARGET_NR_epoll_create)
! 7960: case TARGET_NR_epoll_create:
! 7961: ret = get_errno(epoll_create(arg1));
! 7962: break;
! 7963: #endif
! 7964: #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
! 7965: case TARGET_NR_epoll_create1:
! 7966: ret = get_errno(epoll_create1(arg1));
! 7967: break;
! 7968: #endif
! 7969: #if defined(TARGET_NR_epoll_ctl)
! 7970: case TARGET_NR_epoll_ctl:
! 7971: {
! 7972: struct epoll_event ep;
! 7973: struct epoll_event *epp = 0;
! 7974: if (arg4) {
! 7975: struct target_epoll_event *target_ep;
! 7976: if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
! 7977: goto efault;
! 7978: }
! 7979: ep.events = tswap32(target_ep->events);
! 7980: /* The epoll_data_t union is just opaque data to the kernel,
! 7981: * so we transfer all 64 bits across and need not worry what
! 7982: * actual data type it is.
! 7983: */
! 7984: ep.data.u64 = tswap64(target_ep->data.u64);
! 7985: unlock_user_struct(target_ep, arg4, 0);
! 7986: epp = &ep;
! 7987: }
! 7988: ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
! 7989: break;
! 7990: }
! 7991: #endif
! 7992:
! 7993: #if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
! 7994: #define IMPLEMENT_EPOLL_PWAIT
! 7995: #endif
! 7996: #if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
! 7997: #if defined(TARGET_NR_epoll_wait)
! 7998: case TARGET_NR_epoll_wait:
! 7999: #endif
! 8000: #if defined(IMPLEMENT_EPOLL_PWAIT)
! 8001: case TARGET_NR_epoll_pwait:
! 8002: #endif
! 8003: {
! 8004: struct target_epoll_event *target_ep;
! 8005: struct epoll_event *ep;
! 8006: int epfd = arg1;
! 8007: int maxevents = arg3;
! 8008: int timeout = arg4;
! 8009:
! 8010: target_ep = lock_user(VERIFY_WRITE, arg2,
! 8011: maxevents * sizeof(struct target_epoll_event), 1);
! 8012: if (!target_ep) {
! 8013: goto efault;
! 8014: }
! 8015:
! 8016: ep = alloca(maxevents * sizeof(struct epoll_event));
! 8017:
! 8018: switch (num) {
! 8019: #if defined(IMPLEMENT_EPOLL_PWAIT)
! 8020: case TARGET_NR_epoll_pwait:
! 8021: {
! 8022: target_sigset_t *target_set;
! 8023: sigset_t _set, *set = &_set;
! 8024:
! 8025: if (arg5) {
! 8026: target_set = lock_user(VERIFY_READ, arg5,
! 8027: sizeof(target_sigset_t), 1);
! 8028: if (!target_set) {
! 8029: unlock_user(target_ep, arg2, 0);
! 8030: goto efault;
! 8031: }
! 8032: target_to_host_sigset(set, target_set);
! 8033: unlock_user(target_set, arg5, 0);
! 8034: } else {
! 8035: set = NULL;
! 8036: }
! 8037:
! 8038: ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
! 8039: break;
! 8040: }
! 8041: #endif
! 8042: #if defined(TARGET_NR_epoll_wait)
! 8043: case TARGET_NR_epoll_wait:
! 8044: ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
! 8045: break;
! 8046: #endif
! 8047: default:
! 8048: ret = -TARGET_ENOSYS;
! 8049: }
! 8050: if (!is_error(ret)) {
! 8051: int i;
! 8052: for (i = 0; i < ret; i++) {
! 8053: target_ep[i].events = tswap32(ep[i].events);
! 8054: target_ep[i].data.u64 = tswap64(ep[i].data.u64);
! 8055: }
! 8056: }
! 8057: unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
! 8058: break;
! 8059: }
! 8060: #endif
! 8061: #endif
! 8062: #ifdef TARGET_NR_prlimit64
! 8063: case TARGET_NR_prlimit64:
! 8064: {
! 8065: /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
! 8066: struct target_rlimit64 *target_rnew, *target_rold;
! 8067: struct host_rlimit64 rnew, rold, *rnewp = 0;
! 8068: if (arg3) {
! 8069: if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
! 8070: goto efault;
! 8071: }
! 8072: rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
! 8073: rnew.rlim_max = tswap64(target_rnew->rlim_max);
! 8074: unlock_user_struct(target_rnew, arg3, 0);
! 8075: rnewp = &rnew;
! 8076: }
! 8077:
! 8078: ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
! 8079: if (!is_error(ret) && arg4) {
! 8080: if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
! 8081: goto efault;
! 8082: }
! 8083: target_rold->rlim_cur = tswap64(rold.rlim_cur);
! 8084: target_rold->rlim_max = tswap64(rold.rlim_max);
! 8085: unlock_user_struct(target_rold, arg4, 1);
! 8086: }
! 8087: break;
! 8088: }
! 8089: #endif
1.1 root 8090: default:
8091: unimplemented:
8092: gemu_log("qemu: Unsupported syscall: %d\n", num);
1.1.1.6 root 8093: #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
1.1 root 8094: unimplemented_nowarn:
8095: #endif
1.1.1.6 root 8096: ret = -TARGET_ENOSYS;
1.1 root 8097: break;
8098: }
1.1.1.6 root 8099: fail:
1.1 root 8100: #ifdef DEBUG
1.1.1.8 root 8101: gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
1.1 root 8102: #endif
1.1.1.6 root 8103: if(do_strace)
8104: print_syscall_ret(num, ret);
1.1 root 8105: return ret;
1.1.1.6 root 8106: efault:
8107: ret = -TARGET_EFAULT;
8108: goto fail;
1.1 root 8109: }
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