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