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1.1 root 1: /*
2: * Linux syscalls
1.1.1.6 root 3: *
1.1 root 4: * Copyright (c) 2003 Fabrice Bellard
5: *
6: * This program is free software; you can redistribute it and/or modify
7: * it under the terms of the GNU General Public License as published by
8: * the Free Software Foundation; either version 2 of the License, or
9: * (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
1.1.1.8 root 17: * along with this program; if not, see <http://www.gnu.org/licenses/>.
1.1 root 18: */
1.1.1.8 root 19: #define _ATFILE_SOURCE
1.1 root 20: #include <stdlib.h>
21: #include <stdio.h>
22: #include <stdarg.h>
23: #include <string.h>
24: #include <elf.h>
25: #include <endian.h>
26: #include <errno.h>
27: #include <unistd.h>
28: #include <fcntl.h>
29: #include <time.h>
1.1.1.7 root 30: #include <limits.h>
1.1 root 31: #include <sys/types.h>
1.1.1.6 root 32: #include <sys/ipc.h>
33: #include <sys/msg.h>
1.1 root 34: #include <sys/wait.h>
35: #include <sys/time.h>
36: #include <sys/stat.h>
37: #include <sys/mount.h>
1.1.1.6 root 38: #include <sys/prctl.h>
1.1 root 39: #include <sys/resource.h>
40: #include <sys/mman.h>
41: #include <sys/swap.h>
42: #include <signal.h>
43: #include <sched.h>
1.1.1.10 root 44: #ifdef __ia64__
45: int __clone2(int (*fn)(void *), void *child_stack_base,
46: size_t stack_size, int flags, void *arg, ...);
47: #endif
1.1 root 48: #include <sys/socket.h>
1.1.1.8 root 49: #include <sys/un.h>
1.1 root 50: #include <sys/uio.h>
51: #include <sys/poll.h>
52: #include <sys/times.h>
53: #include <sys/shm.h>
1.1.1.5 root 54: #include <sys/sem.h>
1.1.1.2 root 55: #include <sys/statfs.h>
1.1 root 56: #include <utime.h>
57: #include <sys/sysinfo.h>
1.1.1.8 root 58: #include <sys/utsname.h>
1.1 root 59: //#include <sys/user.h>
60: #include <netinet/ip.h>
61: #include <netinet/tcp.h>
1.1.1.12 root 62: #include <linux/wireless.h>
1.1.1.13 root 63: #include "qemu-common.h"
1.1.1.9 root 64: #ifdef TARGET_GPROF
1.1.1.7 root 65: #include <sys/gmon.h>
66: #endif
1.1.1.9 root 67: #ifdef CONFIG_EVENTFD
68: #include <sys/eventfd.h>
69: #endif
1.1.1.12 root 70: #ifdef CONFIG_EPOLL
71: #include <sys/epoll.h>
72: #endif
1.1.1.13 root 73: #ifdef CONFIG_ATTR
74: #include "qemu-xattr.h"
75: #endif
1.1 root 76:
77: #define termios host_termios
78: #define winsize host_winsize
79: #define termio host_termio
80: #define sgttyb host_sgttyb /* same as target */
81: #define tchars host_tchars /* same as target */
82: #define ltchars host_ltchars /* same as target */
83:
84: #include <linux/termios.h>
85: #include <linux/unistd.h>
86: #include <linux/utsname.h>
87: #include <linux/cdrom.h>
88: #include <linux/hdreg.h>
89: #include <linux/soundcard.h>
90: #include <linux/kd.h>
1.1.1.7 root 91: #include <linux/mtio.h>
1.1.1.8 root 92: #include <linux/fs.h>
1.1.1.11 root 93: #if defined(CONFIG_FIEMAP)
94: #include <linux/fiemap.h>
95: #endif
1.1.1.9 root 96: #include <linux/fb.h>
97: #include <linux/vt.h>
1.1.1.14! root 98: #include <linux/dm-ioctl.h>
1.1.1.7 root 99: #include "linux_loop.h"
1.1.1.10 root 100: #include "cpu-uname.h"
1.1 root 101:
102: #include "qemu.h"
1.1.1.7 root 103:
1.1.1.9 root 104: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 105: #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
106: CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
107: #else
108: /* XXX: Hardcode the above values. */
109: #define CLONE_NPTL_FLAGS2 0
110: #endif
1.1 root 111:
112: //#define DEBUG
113:
114: //#include <linux/msdos_fs.h>
1.1.1.7 root 115: #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
116: #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1.1 root 117:
118:
119: #undef _syscall0
120: #undef _syscall1
121: #undef _syscall2
122: #undef _syscall3
123: #undef _syscall4
124: #undef _syscall5
1.1.1.4 root 125: #undef _syscall6
1.1 root 126:
1.1.1.4 root 127: #define _syscall0(type,name) \
1.1.1.7 root 128: static type name (void) \
1.1.1.4 root 129: { \
130: return syscall(__NR_##name); \
131: }
132:
133: #define _syscall1(type,name,type1,arg1) \
1.1.1.7 root 134: static type name (type1 arg1) \
1.1.1.4 root 135: { \
136: return syscall(__NR_##name, arg1); \
137: }
138:
139: #define _syscall2(type,name,type1,arg1,type2,arg2) \
1.1.1.7 root 140: static type name (type1 arg1,type2 arg2) \
1.1.1.4 root 141: { \
142: return syscall(__NR_##name, arg1, arg2); \
143: }
144:
145: #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
1.1.1.7 root 146: static type name (type1 arg1,type2 arg2,type3 arg3) \
1.1.1.4 root 147: { \
148: return syscall(__NR_##name, arg1, arg2, arg3); \
149: }
150:
151: #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
1.1.1.7 root 152: static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
1.1.1.4 root 153: { \
154: return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
1.1 root 155: }
1.1.1.4 root 156:
157: #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
158: type5,arg5) \
1.1.1.7 root 159: static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
1.1.1.4 root 160: { \
161: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
162: }
163:
164:
165: #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
166: type5,arg5,type6,arg6) \
1.1.1.7 root 167: static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
168: type6 arg6) \
1.1.1.4 root 169: { \
170: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
171: }
172:
1.1 root 173:
174: #define __NR_sys_uname __NR_uname
1.1.1.6 root 175: #define __NR_sys_faccessat __NR_faccessat
176: #define __NR_sys_fchmodat __NR_fchmodat
177: #define __NR_sys_fchownat __NR_fchownat
1.1.1.7 root 178: #define __NR_sys_fstatat64 __NR_fstatat64
179: #define __NR_sys_futimesat __NR_futimesat
1.1 root 180: #define __NR_sys_getcwd1 __NR_getcwd
181: #define __NR_sys_getdents __NR_getdents
182: #define __NR_sys_getdents64 __NR_getdents64
1.1.1.6 root 183: #define __NR_sys_getpriority __NR_getpriority
184: #define __NR_sys_linkat __NR_linkat
185: #define __NR_sys_mkdirat __NR_mkdirat
186: #define __NR_sys_mknodat __NR_mknodat
1.1.1.8 root 187: #define __NR_sys_newfstatat __NR_newfstatat
1.1.1.6 root 188: #define __NR_sys_openat __NR_openat
189: #define __NR_sys_readlinkat __NR_readlinkat
190: #define __NR_sys_renameat __NR_renameat
1.1 root 191: #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
1.1.1.6 root 192: #define __NR_sys_symlinkat __NR_symlinkat
193: #define __NR_sys_syslog __NR_syslog
194: #define __NR_sys_tgkill __NR_tgkill
195: #define __NR_sys_tkill __NR_tkill
196: #define __NR_sys_unlinkat __NR_unlinkat
197: #define __NR_sys_utimensat __NR_utimensat
1.1.1.7 root 198: #define __NR_sys_futex __NR_futex
199: #define __NR_sys_inotify_init __NR_inotify_init
200: #define __NR_sys_inotify_add_watch __NR_inotify_add_watch
201: #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
1.1 root 202:
1.1.1.12 root 203: #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
204: defined(__s390x__)
1.1 root 205: #define __NR__llseek __NR_lseek
206: #endif
207:
208: #ifdef __NR_gettid
209: _syscall0(int, gettid)
210: #else
1.1.1.6 root 211: /* This is a replacement for the host gettid() and must return a host
212: errno. */
1.1 root 213: static int gettid(void) {
214: return -ENOSYS;
215: }
216: #endif
1.1.1.8 root 217: _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
218: #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
219: _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
220: #endif
221: _syscall2(int, sys_getpriority, int, which, int, who);
1.1.1.10 root 222: #if defined(TARGET_NR__llseek) && defined(__NR_llseek)
1.1.1.8 root 223: _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
224: loff_t *, res, uint, wh);
225: #endif
226: _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
227: _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
228: #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
229: _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
230: #endif
231: #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
232: _syscall2(int,sys_tkill,int,tid,int,sig)
233: #endif
234: #ifdef __NR_exit_group
235: _syscall1(int,exit_group,int,error_code)
236: #endif
237: #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
238: _syscall1(int,set_tid_address,int *,tidptr)
239: #endif
1.1.1.9 root 240: #if defined(CONFIG_USE_NPTL)
1.1.1.8 root 241: #if defined(TARGET_NR_futex) && defined(__NR_futex)
242: _syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
243: const struct timespec *,timeout,int *,uaddr2,int,val3)
244: #endif
245: #endif
1.1.1.12 root 246: #define __NR_sys_sched_getaffinity __NR_sched_getaffinity
247: _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
248: unsigned long *, user_mask_ptr);
249: #define __NR_sys_sched_setaffinity __NR_sched_setaffinity
250: _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
251: unsigned long *, user_mask_ptr);
1.1.1.13 root 252: _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
253: void *, arg);
1.1.1.8 root 254:
255: static bitmask_transtbl fcntl_flags_tbl[] = {
256: { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
257: { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
258: { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
259: { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
260: { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
261: { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
262: { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
263: { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
264: { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
265: { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
266: { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
267: { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
268: { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
269: #if defined(O_DIRECT)
270: { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
271: #endif
272: { 0, 0, 0, 0 }
273: };
274:
275: #define COPY_UTSNAME_FIELD(dest, src) \
276: do { \
277: /* __NEW_UTS_LEN doesn't include terminating null */ \
278: (void) strncpy((dest), (src), __NEW_UTS_LEN); \
279: (dest)[__NEW_UTS_LEN] = '\0'; \
280: } while (0)
281:
282: static int sys_uname(struct new_utsname *buf)
283: {
284: struct utsname uts_buf;
285:
286: if (uname(&uts_buf) < 0)
287: return (-1);
288:
289: /*
290: * Just in case these have some differences, we
291: * translate utsname to new_utsname (which is the
292: * struct linux kernel uses).
293: */
294:
1.1.1.12 root 295: memset(buf, 0, sizeof(*buf));
1.1.1.8 root 296: COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
297: COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
298: COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
299: COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
300: COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
301: #ifdef _GNU_SOURCE
302: COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
303: #endif
304: return (0);
305:
306: #undef COPY_UTSNAME_FIELD
307: }
308:
309: static int sys_getcwd1(char *buf, size_t size)
310: {
311: if (getcwd(buf, size) == NULL) {
312: /* getcwd() sets errno */
313: return (-1);
314: }
315: return strlen(buf)+1;
316: }
317:
318: #ifdef CONFIG_ATFILE
319: /*
320: * Host system seems to have atfile syscall stubs available. We
321: * now enable them one by one as specified by target syscall_nr.h.
322: */
323:
324: #ifdef TARGET_NR_faccessat
325: static int sys_faccessat(int dirfd, const char *pathname, int mode)
326: {
327: return (faccessat(dirfd, pathname, mode, 0));
328: }
329: #endif
330: #ifdef TARGET_NR_fchmodat
331: static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
332: {
333: return (fchmodat(dirfd, pathname, mode, 0));
334: }
335: #endif
1.1.1.12 root 336: #if defined(TARGET_NR_fchownat)
1.1.1.8 root 337: static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
338: gid_t group, int flags)
339: {
340: return (fchownat(dirfd, pathname, owner, group, flags));
341: }
342: #endif
343: #ifdef __NR_fstatat64
344: static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
345: int flags)
346: {
347: return (fstatat(dirfd, pathname, buf, flags));
348: }
349: #endif
350: #ifdef __NR_newfstatat
351: static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
352: int flags)
353: {
354: return (fstatat(dirfd, pathname, buf, flags));
355: }
356: #endif
357: #ifdef TARGET_NR_futimesat
358: static int sys_futimesat(int dirfd, const char *pathname,
359: const struct timeval times[2])
360: {
361: return (futimesat(dirfd, pathname, times));
362: }
363: #endif
364: #ifdef TARGET_NR_linkat
365: static int sys_linkat(int olddirfd, const char *oldpath,
366: int newdirfd, const char *newpath, int flags)
367: {
368: return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
369: }
370: #endif
371: #ifdef TARGET_NR_mkdirat
372: static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
373: {
374: return (mkdirat(dirfd, pathname, mode));
375: }
376: #endif
377: #ifdef TARGET_NR_mknodat
378: static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
379: dev_t dev)
380: {
381: return (mknodat(dirfd, pathname, mode, dev));
382: }
383: #endif
384: #ifdef TARGET_NR_openat
1.1.1.13 root 385: static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode)
1.1.1.8 root 386: {
387: /*
388: * open(2) has extra parameter 'mode' when called with
389: * flag O_CREAT.
390: */
391: if ((flags & O_CREAT) != 0) {
392: return (openat(dirfd, pathname, flags, mode));
393: }
394: return (openat(dirfd, pathname, flags));
395: }
396: #endif
397: #ifdef TARGET_NR_readlinkat
398: static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
399: {
400: return (readlinkat(dirfd, pathname, buf, bufsiz));
401: }
402: #endif
403: #ifdef TARGET_NR_renameat
404: static int sys_renameat(int olddirfd, const char *oldpath,
405: int newdirfd, const char *newpath)
406: {
407: return (renameat(olddirfd, oldpath, newdirfd, newpath));
408: }
409: #endif
410: #ifdef TARGET_NR_symlinkat
411: static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
412: {
413: return (symlinkat(oldpath, newdirfd, newpath));
414: }
415: #endif
416: #ifdef TARGET_NR_unlinkat
417: static int sys_unlinkat(int dirfd, const char *pathname, int flags)
418: {
419: return (unlinkat(dirfd, pathname, flags));
420: }
421: #endif
422: #else /* !CONFIG_ATFILE */
423:
424: /*
425: * Try direct syscalls instead
426: */
1.1.1.6 root 427: #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
1.1.1.8 root 428: _syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
1.1.1.6 root 429: #endif
430: #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
1.1.1.8 root 431: _syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
1.1.1.6 root 432: #endif
1.1.1.12 root 433: #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
1.1.1.6 root 434: _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
435: uid_t,owner,gid_t,group,int,flags)
436: #endif
1.1.1.8 root 437: #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
438: defined(__NR_fstatat64)
1.1.1.7 root 439: _syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
440: struct stat *,buf,int,flags)
441: #endif
442: #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
443: _syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
444: const struct timeval *,times)
445: #endif
1.1.1.8 root 446: #if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
447: defined(__NR_newfstatat)
448: _syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
449: struct stat *,buf,int,flags)
1.1.1.7 root 450: #endif
1.1.1.6 root 451: #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
452: _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
1.1.1.8 root 453: int,newdirfd,const char *,newpath,int,flags)
1.1.1.6 root 454: #endif
455: #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
456: _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
457: #endif
458: #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
459: _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
460: mode_t,mode,dev_t,dev)
461: #endif
462: #if defined(TARGET_NR_openat) && defined(__NR_openat)
463: _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
464: #endif
465: #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
466: _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
467: char *,buf,size_t,bufsize)
468: #endif
469: #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
470: _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
471: int,newdirfd,const char *,newpath)
472: #endif
473: #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
474: _syscall3(int,sys_symlinkat,const char *,oldpath,
475: int,newdirfd,const char *,newpath)
476: #endif
477: #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
478: _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
479: #endif
1.1.1.8 root 480:
481: #endif /* CONFIG_ATFILE */
482:
483: #ifdef CONFIG_UTIMENSAT
484: static int sys_utimensat(int dirfd, const char *pathname,
485: const struct timespec times[2], int flags)
486: {
487: if (pathname == NULL)
488: return futimens(dirfd, times);
489: else
490: return utimensat(dirfd, pathname, times, flags);
491: }
492: #else
1.1.1.6 root 493: #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
494: _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
495: const struct timespec *,tsp,int,flags)
496: #endif
1.1.1.8 root 497: #endif /* CONFIG_UTIMENSAT */
498:
499: #ifdef CONFIG_INOTIFY
500: #include <sys/inotify.h>
501:
1.1.1.7 root 502: #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
1.1.1.8 root 503: static int sys_inotify_init(void)
504: {
505: return (inotify_init());
506: }
1.1.1.7 root 507: #endif
508: #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
1.1.1.8 root 509: static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
510: {
511: return (inotify_add_watch(fd, pathname, mask));
512: }
1.1.1.7 root 513: #endif
514: #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
1.1.1.8 root 515: static int sys_inotify_rm_watch(int fd, int32_t wd)
516: {
517: return (inotify_rm_watch(fd, wd));
518: }
1.1.1.7 root 519: #endif
1.1.1.10 root 520: #ifdef CONFIG_INOTIFY1
521: #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
522: static int sys_inotify_init1(int flags)
523: {
524: return (inotify_init1(flags));
525: }
526: #endif
527: #endif
1.1.1.8 root 528: #else
529: /* Userspace can usually survive runtime without inotify */
530: #undef TARGET_NR_inotify_init
1.1.1.10 root 531: #undef TARGET_NR_inotify_init1
1.1.1.8 root 532: #undef TARGET_NR_inotify_add_watch
533: #undef TARGET_NR_inotify_rm_watch
534: #endif /* CONFIG_INOTIFY */
535:
1.1.1.12 root 536: #if defined(TARGET_NR_ppoll)
537: #ifndef __NR_ppoll
538: # define __NR_ppoll -1
539: #endif
540: #define __NR_sys_ppoll __NR_ppoll
541: _syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
542: struct timespec *, timeout, const __sigset_t *, sigmask,
543: size_t, sigsetsize)
544: #endif
545:
546: #if defined(TARGET_NR_pselect6)
547: #ifndef __NR_pselect6
548: # define __NR_pselect6 -1
549: #endif
550: #define __NR_sys_pselect6 __NR_pselect6
551: _syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds,
552: fd_set *, exceptfds, struct timespec *, timeout, void *, sig);
553: #endif
554:
555: #if defined(TARGET_NR_prlimit64)
556: #ifndef __NR_prlimit64
557: # define __NR_prlimit64 -1
558: #endif
559: #define __NR_sys_prlimit64 __NR_prlimit64
560: /* The glibc rlimit structure may not be that used by the underlying syscall */
561: struct host_rlimit64 {
562: uint64_t rlim_cur;
563: uint64_t rlim_max;
564: };
565: _syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
566: const struct host_rlimit64 *, new_limit,
567: struct host_rlimit64 *, old_limit)
568: #endif
1.1 root 569:
570: extern int personality(int);
571: extern int flock(int, int);
572: extern int setfsuid(int);
573: extern int setfsgid(int);
574: extern int setgroups(int, gid_t *);
575:
1.1.1.12 root 576: /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
577: #ifdef TARGET_ARM
578: static inline int regpairs_aligned(void *cpu_env) {
579: return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
580: }
581: #elif defined(TARGET_MIPS)
582: static inline int regpairs_aligned(void *cpu_env) { return 1; }
583: #else
584: static inline int regpairs_aligned(void *cpu_env) { return 0; }
585: #endif
586:
1.1.1.6 root 587: #define ERRNO_TABLE_SIZE 1200
588:
589: /* target_to_host_errno_table[] is initialized from
590: * host_to_target_errno_table[] in syscall_init(). */
591: static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
592: };
593:
594: /*
595: * This list is the union of errno values overridden in asm-<arch>/errno.h
596: * minus the errnos that are not actually generic to all archs.
597: */
598: static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
599: [EIDRM] = TARGET_EIDRM,
600: [ECHRNG] = TARGET_ECHRNG,
601: [EL2NSYNC] = TARGET_EL2NSYNC,
602: [EL3HLT] = TARGET_EL3HLT,
603: [EL3RST] = TARGET_EL3RST,
604: [ELNRNG] = TARGET_ELNRNG,
605: [EUNATCH] = TARGET_EUNATCH,
606: [ENOCSI] = TARGET_ENOCSI,
607: [EL2HLT] = TARGET_EL2HLT,
608: [EDEADLK] = TARGET_EDEADLK,
609: [ENOLCK] = TARGET_ENOLCK,
610: [EBADE] = TARGET_EBADE,
611: [EBADR] = TARGET_EBADR,
612: [EXFULL] = TARGET_EXFULL,
613: [ENOANO] = TARGET_ENOANO,
614: [EBADRQC] = TARGET_EBADRQC,
615: [EBADSLT] = TARGET_EBADSLT,
616: [EBFONT] = TARGET_EBFONT,
617: [ENOSTR] = TARGET_ENOSTR,
618: [ENODATA] = TARGET_ENODATA,
619: [ETIME] = TARGET_ETIME,
620: [ENOSR] = TARGET_ENOSR,
621: [ENONET] = TARGET_ENONET,
622: [ENOPKG] = TARGET_ENOPKG,
623: [EREMOTE] = TARGET_EREMOTE,
624: [ENOLINK] = TARGET_ENOLINK,
625: [EADV] = TARGET_EADV,
626: [ESRMNT] = TARGET_ESRMNT,
627: [ECOMM] = TARGET_ECOMM,
628: [EPROTO] = TARGET_EPROTO,
629: [EDOTDOT] = TARGET_EDOTDOT,
630: [EMULTIHOP] = TARGET_EMULTIHOP,
631: [EBADMSG] = TARGET_EBADMSG,
632: [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
633: [EOVERFLOW] = TARGET_EOVERFLOW,
634: [ENOTUNIQ] = TARGET_ENOTUNIQ,
635: [EBADFD] = TARGET_EBADFD,
636: [EREMCHG] = TARGET_EREMCHG,
637: [ELIBACC] = TARGET_ELIBACC,
638: [ELIBBAD] = TARGET_ELIBBAD,
639: [ELIBSCN] = TARGET_ELIBSCN,
640: [ELIBMAX] = TARGET_ELIBMAX,
641: [ELIBEXEC] = TARGET_ELIBEXEC,
642: [EILSEQ] = TARGET_EILSEQ,
643: [ENOSYS] = TARGET_ENOSYS,
644: [ELOOP] = TARGET_ELOOP,
645: [ERESTART] = TARGET_ERESTART,
646: [ESTRPIPE] = TARGET_ESTRPIPE,
647: [ENOTEMPTY] = TARGET_ENOTEMPTY,
648: [EUSERS] = TARGET_EUSERS,
649: [ENOTSOCK] = TARGET_ENOTSOCK,
650: [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
651: [EMSGSIZE] = TARGET_EMSGSIZE,
652: [EPROTOTYPE] = TARGET_EPROTOTYPE,
653: [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
654: [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
655: [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
656: [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
657: [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
658: [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
659: [EADDRINUSE] = TARGET_EADDRINUSE,
660: [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
661: [ENETDOWN] = TARGET_ENETDOWN,
662: [ENETUNREACH] = TARGET_ENETUNREACH,
663: [ENETRESET] = TARGET_ENETRESET,
664: [ECONNABORTED] = TARGET_ECONNABORTED,
665: [ECONNRESET] = TARGET_ECONNRESET,
666: [ENOBUFS] = TARGET_ENOBUFS,
667: [EISCONN] = TARGET_EISCONN,
668: [ENOTCONN] = TARGET_ENOTCONN,
669: [EUCLEAN] = TARGET_EUCLEAN,
670: [ENOTNAM] = TARGET_ENOTNAM,
671: [ENAVAIL] = TARGET_ENAVAIL,
672: [EISNAM] = TARGET_EISNAM,
673: [EREMOTEIO] = TARGET_EREMOTEIO,
674: [ESHUTDOWN] = TARGET_ESHUTDOWN,
675: [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
676: [ETIMEDOUT] = TARGET_ETIMEDOUT,
677: [ECONNREFUSED] = TARGET_ECONNREFUSED,
678: [EHOSTDOWN] = TARGET_EHOSTDOWN,
679: [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
680: [EALREADY] = TARGET_EALREADY,
681: [EINPROGRESS] = TARGET_EINPROGRESS,
682: [ESTALE] = TARGET_ESTALE,
683: [ECANCELED] = TARGET_ECANCELED,
684: [ENOMEDIUM] = TARGET_ENOMEDIUM,
685: [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
686: #ifdef ENOKEY
687: [ENOKEY] = TARGET_ENOKEY,
688: #endif
689: #ifdef EKEYEXPIRED
690: [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
691: #endif
692: #ifdef EKEYREVOKED
693: [EKEYREVOKED] = TARGET_EKEYREVOKED,
694: #endif
695: #ifdef EKEYREJECTED
696: [EKEYREJECTED] = TARGET_EKEYREJECTED,
697: #endif
698: #ifdef EOWNERDEAD
699: [EOWNERDEAD] = TARGET_EOWNERDEAD,
700: #endif
701: #ifdef ENOTRECOVERABLE
702: [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
703: #endif
704: };
705:
706: static inline int host_to_target_errno(int err)
707: {
708: if(host_to_target_errno_table[err])
709: return host_to_target_errno_table[err];
710: return err;
711: }
712:
713: static inline int target_to_host_errno(int err)
714: {
715: if (target_to_host_errno_table[err])
716: return target_to_host_errno_table[err];
717: return err;
718: }
719:
720: static inline abi_long get_errno(abi_long ret)
1.1 root 721: {
722: if (ret == -1)
1.1.1.6 root 723: return -host_to_target_errno(errno);
1.1 root 724: else
725: return ret;
726: }
727:
1.1.1.6 root 728: static inline int is_error(abi_long ret)
729: {
730: return (abi_ulong)ret >= (abi_ulong)(-4096);
731: }
732:
733: char *target_strerror(int err)
1.1 root 734: {
1.1.1.14! root 735: if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
! 736: return NULL;
! 737: }
1.1.1.6 root 738: return strerror(target_to_host_errno(err));
1.1 root 739: }
740:
1.1.1.6 root 741: static abi_ulong target_brk;
742: static abi_ulong target_original_brk;
1.1.1.12 root 743: static abi_ulong brk_page;
1.1 root 744:
1.1.1.6 root 745: void target_set_brk(abi_ulong new_brk)
1.1 root 746: {
1.1.1.6 root 747: target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
1.1.1.12 root 748: brk_page = HOST_PAGE_ALIGN(target_brk);
1.1 root 749: }
750:
1.1.1.12 root 751: //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
752: #define DEBUGF_BRK(message, args...)
753:
1.1.1.6 root 754: /* do_brk() must return target values and target errnos. */
755: abi_long do_brk(abi_ulong new_brk)
1.1 root 756: {
1.1.1.6 root 757: abi_long mapped_addr;
1.1 root 758: int new_alloc_size;
759:
1.1.1.14! root 760: DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
1.1.1.12 root 761:
762: if (!new_brk) {
1.1.1.14! root 763: DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
1.1.1.3 root 764: return target_brk;
1.1.1.12 root 765: }
766: if (new_brk < target_original_brk) {
1.1.1.14! root 767: DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
! 768: target_brk);
1.1.1.7 root 769: return target_brk;
1.1.1.12 root 770: }
1.1.1.6 root 771:
1.1.1.12 root 772: /* If the new brk is less than the highest page reserved to the
773: * target heap allocation, set it and we're almost done... */
774: if (new_brk <= brk_page) {
775: /* Heap contents are initialized to zero, as for anonymous
776: * mapped pages. */
777: if (new_brk > target_brk) {
778: memset(g2h(target_brk), 0, new_brk - target_brk);
779: }
1.1 root 780: target_brk = new_brk;
1.1.1.14! root 781: DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
1.1.1.3 root 782: return target_brk;
1.1 root 783: }
784:
1.1.1.12 root 785: /* We need to allocate more memory after the brk... Note that
786: * we don't use MAP_FIXED because that will map over the top of
787: * any existing mapping (like the one with the host libc or qemu
788: * itself); instead we treat "mapped but at wrong address" as
789: * a failure and unmap again.
790: */
791: new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
1.1.1.6 root 792: mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
1.1 root 793: PROT_READ|PROT_WRITE,
1.1.1.12 root 794: MAP_ANON|MAP_PRIVATE, 0, 0));
795:
796: if (mapped_addr == brk_page) {
1.1.1.13 root 797: /* Heap contents are initialized to zero, as for anonymous
798: * mapped pages. Technically the new pages are already
799: * initialized to zero since they *are* anonymous mapped
800: * pages, however we have to take care with the contents that
801: * come from the remaining part of the previous page: it may
802: * contains garbage data due to a previous heap usage (grown
803: * then shrunken). */
804: memset(g2h(target_brk), 0, brk_page - target_brk);
805:
1.1.1.12 root 806: target_brk = new_brk;
807: brk_page = HOST_PAGE_ALIGN(target_brk);
1.1.1.14! root 808: DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
! 809: target_brk);
1.1.1.12 root 810: return target_brk;
811: } else if (mapped_addr != -1) {
812: /* Mapped but at wrong address, meaning there wasn't actually
813: * enough space for this brk.
814: */
815: target_munmap(mapped_addr, new_alloc_size);
816: mapped_addr = -1;
1.1.1.14! root 817: DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
1.1.1.12 root 818: }
819: else {
1.1.1.14! root 820: DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
1.1.1.12 root 821: }
1.1.1.7 root 822:
1.1.1.10 root 823: #if defined(TARGET_ALPHA)
824: /* We (partially) emulate OSF/1 on Alpha, which requires we
825: return a proper errno, not an unchanged brk value. */
1.1.1.12 root 826: return -TARGET_ENOMEM;
1.1.1.10 root 827: #endif
1.1.1.12 root 828: /* For everything else, return the previous break. */
1.1.1.7 root 829: return target_brk;
1.1 root 830: }
831:
1.1.1.6 root 832: static inline abi_long copy_from_user_fdset(fd_set *fds,
833: abi_ulong target_fds_addr,
834: int n)
1.1 root 835: {
1.1.1.6 root 836: int i, nw, j, k;
837: abi_ulong b, *target_fds;
838:
839: nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
840: if (!(target_fds = lock_user(VERIFY_READ,
841: target_fds_addr,
842: sizeof(abi_ulong) * nw,
843: 1)))
844: return -TARGET_EFAULT;
845:
846: FD_ZERO(fds);
847: k = 0;
848: for (i = 0; i < nw; i++) {
849: /* grab the abi_ulong */
850: __get_user(b, &target_fds[i]);
851: for (j = 0; j < TARGET_ABI_BITS; j++) {
852: /* check the bit inside the abi_ulong */
853: if ((b >> j) & 1)
854: FD_SET(k, fds);
855: k++;
1.1 root 856: }
857: }
1.1.1.6 root 858:
859: unlock_user(target_fds, target_fds_addr, 0);
860:
861: return 0;
1.1 root 862: }
863:
1.1.1.12 root 864: static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
865: abi_ulong target_fds_addr,
866: int n)
867: {
868: if (target_fds_addr) {
869: if (copy_from_user_fdset(fds, target_fds_addr, n))
870: return -TARGET_EFAULT;
871: *fds_ptr = fds;
872: } else {
873: *fds_ptr = NULL;
874: }
875: return 0;
876: }
877:
1.1.1.6 root 878: static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
879: const fd_set *fds,
880: int n)
1.1 root 881: {
882: int i, nw, j, k;
1.1.1.6 root 883: abi_long v;
884: abi_ulong *target_fds;
1.1 root 885:
1.1.1.6 root 886: nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
887: if (!(target_fds = lock_user(VERIFY_WRITE,
888: target_fds_addr,
889: sizeof(abi_ulong) * nw,
890: 0)))
891: return -TARGET_EFAULT;
892:
893: k = 0;
894: for (i = 0; i < nw; i++) {
895: v = 0;
896: for (j = 0; j < TARGET_ABI_BITS; j++) {
897: v |= ((FD_ISSET(k, fds) != 0) << j);
898: k++;
1.1 root 899: }
1.1.1.6 root 900: __put_user(v, &target_fds[i]);
1.1 root 901: }
1.1.1.6 root 902:
903: unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
904:
905: return 0;
1.1 root 906: }
907:
908: #if defined(__alpha__)
909: #define HOST_HZ 1024
910: #else
911: #define HOST_HZ 100
912: #endif
913:
1.1.1.6 root 914: static inline abi_long host_to_target_clock_t(long ticks)
1.1 root 915: {
916: #if HOST_HZ == TARGET_HZ
917: return ticks;
918: #else
919: return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
920: #endif
921: }
922:
1.1.1.6 root 923: static inline abi_long host_to_target_rusage(abi_ulong target_addr,
924: const struct rusage *rusage)
1.1 root 925: {
1.1.1.3 root 926: struct target_rusage *target_rusage;
927:
1.1.1.6 root 928: if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
929: return -TARGET_EFAULT;
1.1.1.13 root 930: target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
931: target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
932: target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
933: target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
934: target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
935: target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
936: target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
937: target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
938: target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
939: target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
940: target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
941: target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
942: target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
943: target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
944: target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
945: target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
946: target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
947: target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
1.1.1.3 root 948: unlock_user_struct(target_rusage, target_addr, 1);
1.1.1.6 root 949:
950: return 0;
1.1 root 951: }
952:
1.1.1.13 root 953: static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
1.1.1.10 root 954: {
1.1.1.13 root 955: abi_ulong target_rlim_swap;
1.1.1.12 root 956: rlim_t result;
957:
1.1.1.13 root 958: target_rlim_swap = tswapal(target_rlim);
959: if (target_rlim_swap == TARGET_RLIM_INFINITY)
960: return RLIM_INFINITY;
961:
962: result = target_rlim_swap;
963: if (target_rlim_swap != (rlim_t)result)
964: return RLIM_INFINITY;
1.1.1.12 root 965:
966: return result;
1.1.1.10 root 967: }
968:
1.1.1.13 root 969: static inline abi_ulong host_to_target_rlim(rlim_t rlim)
1.1.1.10 root 970: {
1.1.1.13 root 971: abi_ulong target_rlim_swap;
972: abi_ulong result;
1.1.1.12 root 973:
1.1.1.13 root 974: if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
1.1.1.12 root 975: target_rlim_swap = TARGET_RLIM_INFINITY;
1.1.1.10 root 976: else
1.1.1.12 root 977: target_rlim_swap = rlim;
1.1.1.13 root 978: result = tswapal(target_rlim_swap);
1.1.1.12 root 979:
980: return result;
981: }
982:
983: static inline int target_to_host_resource(int code)
984: {
985: switch (code) {
986: case TARGET_RLIMIT_AS:
987: return RLIMIT_AS;
988: case TARGET_RLIMIT_CORE:
989: return RLIMIT_CORE;
990: case TARGET_RLIMIT_CPU:
991: return RLIMIT_CPU;
992: case TARGET_RLIMIT_DATA:
993: return RLIMIT_DATA;
994: case TARGET_RLIMIT_FSIZE:
995: return RLIMIT_FSIZE;
996: case TARGET_RLIMIT_LOCKS:
997: return RLIMIT_LOCKS;
998: case TARGET_RLIMIT_MEMLOCK:
999: return RLIMIT_MEMLOCK;
1000: case TARGET_RLIMIT_MSGQUEUE:
1001: return RLIMIT_MSGQUEUE;
1002: case TARGET_RLIMIT_NICE:
1003: return RLIMIT_NICE;
1004: case TARGET_RLIMIT_NOFILE:
1005: return RLIMIT_NOFILE;
1006: case TARGET_RLIMIT_NPROC:
1007: return RLIMIT_NPROC;
1008: case TARGET_RLIMIT_RSS:
1009: return RLIMIT_RSS;
1010: case TARGET_RLIMIT_RTPRIO:
1011: return RLIMIT_RTPRIO;
1012: case TARGET_RLIMIT_SIGPENDING:
1013: return RLIMIT_SIGPENDING;
1014: case TARGET_RLIMIT_STACK:
1015: return RLIMIT_STACK;
1016: default:
1017: return code;
1018: }
1.1.1.10 root 1019: }
1020:
1.1.1.6 root 1021: static inline abi_long copy_from_user_timeval(struct timeval *tv,
1022: abi_ulong target_tv_addr)
1.1 root 1023: {
1.1.1.3 root 1024: struct target_timeval *target_tv;
1025:
1.1.1.6 root 1026: if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
1027: return -TARGET_EFAULT;
1028:
1029: __get_user(tv->tv_sec, &target_tv->tv_sec);
1030: __get_user(tv->tv_usec, &target_tv->tv_usec);
1031:
1032: unlock_user_struct(target_tv, target_tv_addr, 0);
1033:
1034: return 0;
1.1 root 1035: }
1036:
1.1.1.6 root 1037: static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
1038: const struct timeval *tv)
1.1 root 1039: {
1.1.1.3 root 1040: struct target_timeval *target_tv;
1041:
1.1.1.6 root 1042: if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
1043: return -TARGET_EFAULT;
1044:
1045: __put_user(tv->tv_sec, &target_tv->tv_sec);
1046: __put_user(tv->tv_usec, &target_tv->tv_usec);
1047:
1048: unlock_user_struct(target_tv, target_tv_addr, 1);
1049:
1050: return 0;
1.1 root 1051: }
1052:
1.1.1.9 root 1053: #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1054: #include <mqueue.h>
1055:
1.1.1.8 root 1056: static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1057: abi_ulong target_mq_attr_addr)
1058: {
1059: struct target_mq_attr *target_mq_attr;
1060:
1061: if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1062: target_mq_attr_addr, 1))
1063: return -TARGET_EFAULT;
1064:
1065: __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1066: __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1067: __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1068: __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1069:
1070: unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1071:
1072: return 0;
1073: }
1074:
1075: static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1076: const struct mq_attr *attr)
1077: {
1078: struct target_mq_attr *target_mq_attr;
1079:
1080: if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1081: target_mq_attr_addr, 0))
1082: return -TARGET_EFAULT;
1083:
1084: __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1085: __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1086: __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1087: __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1088:
1089: unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1090:
1091: return 0;
1092: }
1.1.1.9 root 1093: #endif
1.1 root 1094:
1.1.1.12 root 1095: #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
1.1.1.6 root 1096: /* do_select() must return target values and target errnos. */
1097: static abi_long do_select(int n,
1098: abi_ulong rfd_addr, abi_ulong wfd_addr,
1099: abi_ulong efd_addr, abi_ulong target_tv_addr)
1.1 root 1100: {
1101: fd_set rfds, wfds, efds;
1102: fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1103: struct timeval tv, *tv_ptr;
1.1.1.6 root 1104: abi_long ret;
1.1 root 1105:
1.1.1.12 root 1106: ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1107: if (ret) {
1108: return ret;
1.1.1.3 root 1109: }
1.1.1.12 root 1110: ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1111: if (ret) {
1112: return ret;
1.1.1.3 root 1113: }
1.1.1.12 root 1114: ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1115: if (ret) {
1116: return ret;
1.1.1.3 root 1117: }
1.1.1.6 root 1118:
1119: if (target_tv_addr) {
1120: if (copy_from_user_timeval(&tv, target_tv_addr))
1121: return -TARGET_EFAULT;
1.1 root 1122: tv_ptr = &tv;
1123: } else {
1124: tv_ptr = NULL;
1125: }
1.1.1.6 root 1126:
1.1 root 1127: ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
1.1.1.3 root 1128:
1.1.1.6 root 1129: if (!is_error(ret)) {
1130: if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1131: return -TARGET_EFAULT;
1132: if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1133: return -TARGET_EFAULT;
1134: if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1135: return -TARGET_EFAULT;
1.1 root 1136:
1.1.1.6 root 1137: if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
1138: return -TARGET_EFAULT;
1.1 root 1139: }
1.1.1.3 root 1140:
1.1 root 1141: return ret;
1142: }
1.1.1.12 root 1143: #endif
1.1 root 1144:
1.1.1.8 root 1145: static abi_long do_pipe2(int host_pipe[], int flags)
1146: {
1147: #ifdef CONFIG_PIPE2
1148: return pipe2(host_pipe, flags);
1149: #else
1150: return -ENOSYS;
1151: #endif
1152: }
1153:
1.1.1.10 root 1154: static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1155: int flags, int is_pipe2)
1.1.1.8 root 1156: {
1157: int host_pipe[2];
1158: abi_long ret;
1159: ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1160:
1161: if (is_error(ret))
1162: return get_errno(ret);
1.1.1.10 root 1163:
1164: /* Several targets have special calling conventions for the original
1165: pipe syscall, but didn't replicate this into the pipe2 syscall. */
1166: if (!is_pipe2) {
1167: #if defined(TARGET_ALPHA)
1168: ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1169: return host_pipe[0];
1170: #elif defined(TARGET_MIPS)
1171: ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1172: return host_pipe[0];
1.1.1.8 root 1173: #elif defined(TARGET_SH4)
1.1.1.10 root 1174: ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
1175: return host_pipe[0];
1176: #endif
1177: }
1178:
1.1.1.8 root 1179: if (put_user_s32(host_pipe[0], pipedes)
1180: || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1181: return -TARGET_EFAULT;
1182: return get_errno(ret);
1183: }
1184:
1185: static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1186: abi_ulong target_addr,
1187: socklen_t len)
1188: {
1189: struct target_ip_mreqn *target_smreqn;
1190:
1191: target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1192: if (!target_smreqn)
1193: return -TARGET_EFAULT;
1194: mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1195: mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1196: if (len == sizeof(struct target_ip_mreqn))
1.1.1.13 root 1197: mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
1.1.1.8 root 1198: unlock_user(target_smreqn, target_addr, 0);
1199:
1200: return 0;
1201: }
1202:
1.1.1.6 root 1203: static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1204: abi_ulong target_addr,
1205: socklen_t len)
1.1 root 1206: {
1.1.1.8 root 1207: const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1208: sa_family_t sa_family;
1.1.1.3 root 1209: struct target_sockaddr *target_saddr;
1210:
1.1.1.6 root 1211: target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1212: if (!target_saddr)
1213: return -TARGET_EFAULT;
1.1.1.8 root 1214:
1215: sa_family = tswap16(target_saddr->sa_family);
1216:
1217: /* Oops. The caller might send a incomplete sun_path; sun_path
1218: * must be terminated by \0 (see the manual page), but
1219: * unfortunately it is quite common to specify sockaddr_un
1220: * length as "strlen(x->sun_path)" while it should be
1221: * "strlen(...) + 1". We'll fix that here if needed.
1222: * Linux kernel has a similar feature.
1223: */
1224:
1225: if (sa_family == AF_UNIX) {
1226: if (len < unix_maxlen && len > 0) {
1227: char *cp = (char*)target_saddr;
1228:
1229: if ( cp[len-1] && !cp[len] )
1230: len++;
1231: }
1232: if (len > unix_maxlen)
1233: len = unix_maxlen;
1234: }
1235:
1.1.1.3 root 1236: memcpy(addr, target_saddr, len);
1.1.1.8 root 1237: addr->sa_family = sa_family;
1.1.1.3 root 1238: unlock_user(target_saddr, target_addr, 0);
1.1.1.6 root 1239:
1240: return 0;
1.1 root 1241: }
1242:
1.1.1.6 root 1243: static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1244: struct sockaddr *addr,
1245: socklen_t len)
1.1 root 1246: {
1.1.1.3 root 1247: struct target_sockaddr *target_saddr;
1248:
1.1.1.6 root 1249: target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1250: if (!target_saddr)
1251: return -TARGET_EFAULT;
1.1.1.3 root 1252: memcpy(target_saddr, addr, len);
1253: target_saddr->sa_family = tswap16(addr->sa_family);
1254: unlock_user(target_saddr, target_addr, len);
1.1.1.6 root 1255:
1256: return 0;
1.1 root 1257: }
1258:
1.1.1.3 root 1259: /* ??? Should this also swap msgh->name? */
1.1.1.6 root 1260: static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1261: struct target_msghdr *target_msgh)
1.1 root 1262: {
1263: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1.1.1.6 root 1264: abi_long msg_controllen;
1265: abi_ulong target_cmsg_addr;
1266: struct target_cmsghdr *target_cmsg;
1.1 root 1267: socklen_t space = 0;
1.1.1.6 root 1268:
1.1.1.13 root 1269: msg_controllen = tswapal(target_msgh->msg_controllen);
1.1.1.6 root 1270: if (msg_controllen < sizeof (struct target_cmsghdr))
1271: goto the_end;
1.1.1.13 root 1272: target_cmsg_addr = tswapal(target_msgh->msg_control);
1.1.1.6 root 1273: target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1274: if (!target_cmsg)
1275: return -TARGET_EFAULT;
1.1 root 1276:
1277: while (cmsg && target_cmsg) {
1278: void *data = CMSG_DATA(cmsg);
1279: void *target_data = TARGET_CMSG_DATA(target_cmsg);
1280:
1.1.1.13 root 1281: int len = tswapal(target_cmsg->cmsg_len)
1.1 root 1282: - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1283:
1284: space += CMSG_SPACE(len);
1285: if (space > msgh->msg_controllen) {
1286: space -= CMSG_SPACE(len);
1.1.1.2 root 1287: gemu_log("Host cmsg overflow\n");
1.1 root 1288: break;
1289: }
1290:
1291: cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1292: cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1293: cmsg->cmsg_len = CMSG_LEN(len);
1294:
1.1.1.4 root 1295: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 1296: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1297: memcpy(data, target_data, len);
1298: } else {
1299: int *fd = (int *)data;
1300: int *target_fd = (int *)target_data;
1301: int i, numfds = len / sizeof(int);
1302:
1303: for (i = 0; i < numfds; i++)
1304: fd[i] = tswap32(target_fd[i]);
1305: }
1306:
1307: cmsg = CMSG_NXTHDR(msgh, cmsg);
1308: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1309: }
1.1.1.6 root 1310: unlock_user(target_cmsg, target_cmsg_addr, 0);
1311: the_end:
1.1 root 1312: msgh->msg_controllen = space;
1.1.1.6 root 1313: return 0;
1.1 root 1314: }
1315:
1.1.1.3 root 1316: /* ??? Should this also swap msgh->name? */
1.1.1.6 root 1317: static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1318: struct msghdr *msgh)
1.1 root 1319: {
1320: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1.1.1.6 root 1321: abi_long msg_controllen;
1322: abi_ulong target_cmsg_addr;
1323: struct target_cmsghdr *target_cmsg;
1.1 root 1324: socklen_t space = 0;
1325:
1.1.1.13 root 1326: msg_controllen = tswapal(target_msgh->msg_controllen);
1.1.1.6 root 1327: if (msg_controllen < sizeof (struct target_cmsghdr))
1328: goto the_end;
1.1.1.13 root 1329: target_cmsg_addr = tswapal(target_msgh->msg_control);
1.1.1.6 root 1330: target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1331: if (!target_cmsg)
1332: return -TARGET_EFAULT;
1333:
1.1 root 1334: while (cmsg && target_cmsg) {
1335: void *data = CMSG_DATA(cmsg);
1336: void *target_data = TARGET_CMSG_DATA(target_cmsg);
1337:
1338: int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1339:
1340: space += TARGET_CMSG_SPACE(len);
1.1.1.6 root 1341: if (space > msg_controllen) {
1.1 root 1342: space -= TARGET_CMSG_SPACE(len);
1.1.1.2 root 1343: gemu_log("Target cmsg overflow\n");
1.1 root 1344: break;
1345: }
1346:
1347: target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1348: target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1.1.1.13 root 1349: target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len));
1.1 root 1350:
1.1.1.4 root 1351: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 1352: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1353: memcpy(target_data, data, len);
1354: } else {
1355: int *fd = (int *)data;
1356: int *target_fd = (int *)target_data;
1357: int i, numfds = len / sizeof(int);
1358:
1359: for (i = 0; i < numfds; i++)
1360: target_fd[i] = tswap32(fd[i]);
1361: }
1362:
1363: cmsg = CMSG_NXTHDR(msgh, cmsg);
1364: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1365: }
1.1.1.6 root 1366: unlock_user(target_cmsg, target_cmsg_addr, space);
1367: the_end:
1.1.1.13 root 1368: target_msgh->msg_controllen = tswapal(space);
1.1.1.6 root 1369: return 0;
1.1 root 1370: }
1371:
1.1.1.6 root 1372: /* do_setsockopt() Must return target values and target errnos. */
1373: static abi_long do_setsockopt(int sockfd, int level, int optname,
1374: abi_ulong optval_addr, socklen_t optlen)
1.1 root 1375: {
1.1.1.6 root 1376: abi_long ret;
1377: int val;
1.1.1.8 root 1378: struct ip_mreqn *ip_mreq;
1379: struct ip_mreq_source *ip_mreq_source;
1.1.1.6 root 1380:
1.1 root 1381: switch(level) {
1382: case SOL_TCP:
1383: /* TCP options all take an 'int' value. */
1384: if (optlen < sizeof(uint32_t))
1.1.1.6 root 1385: return -TARGET_EINVAL;
1386:
1387: if (get_user_u32(val, optval_addr))
1388: return -TARGET_EFAULT;
1.1 root 1389: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1390: break;
1391: case SOL_IP:
1392: switch(optname) {
1393: case IP_TOS:
1394: case IP_TTL:
1395: case IP_HDRINCL:
1396: case IP_ROUTER_ALERT:
1397: case IP_RECVOPTS:
1398: case IP_RETOPTS:
1399: case IP_PKTINFO:
1400: case IP_MTU_DISCOVER:
1401: case IP_RECVERR:
1402: case IP_RECVTOS:
1403: #ifdef IP_FREEBIND
1404: case IP_FREEBIND:
1405: #endif
1406: case IP_MULTICAST_TTL:
1407: case IP_MULTICAST_LOOP:
1408: val = 0;
1409: if (optlen >= sizeof(uint32_t)) {
1.1.1.6 root 1410: if (get_user_u32(val, optval_addr))
1411: return -TARGET_EFAULT;
1.1 root 1412: } else if (optlen >= 1) {
1.1.1.6 root 1413: if (get_user_u8(val, optval_addr))
1414: return -TARGET_EFAULT;
1.1 root 1415: }
1416: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1417: break;
1.1.1.8 root 1418: case IP_ADD_MEMBERSHIP:
1419: case IP_DROP_MEMBERSHIP:
1420: if (optlen < sizeof (struct target_ip_mreq) ||
1421: optlen > sizeof (struct target_ip_mreqn))
1422: return -TARGET_EINVAL;
1423:
1424: ip_mreq = (struct ip_mreqn *) alloca(optlen);
1425: target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1426: ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1427: break;
1428:
1429: case IP_BLOCK_SOURCE:
1430: case IP_UNBLOCK_SOURCE:
1431: case IP_ADD_SOURCE_MEMBERSHIP:
1432: case IP_DROP_SOURCE_MEMBERSHIP:
1433: if (optlen != sizeof (struct target_ip_mreq_source))
1434: return -TARGET_EINVAL;
1435:
1436: ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1437: ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1438: unlock_user (ip_mreq_source, optval_addr, 0);
1439: break;
1440:
1.1 root 1441: default:
1442: goto unimplemented;
1443: }
1444: break;
1.1.1.4 root 1445: case TARGET_SOL_SOCKET:
1.1 root 1446: switch (optname) {
1447: /* Options with 'int' argument. */
1.1.1.4 root 1448: case TARGET_SO_DEBUG:
1449: optname = SO_DEBUG;
1450: break;
1451: case TARGET_SO_REUSEADDR:
1452: optname = SO_REUSEADDR;
1453: break;
1454: case TARGET_SO_TYPE:
1455: optname = SO_TYPE;
1456: break;
1457: case TARGET_SO_ERROR:
1458: optname = SO_ERROR;
1459: break;
1460: case TARGET_SO_DONTROUTE:
1461: optname = SO_DONTROUTE;
1462: break;
1463: case TARGET_SO_BROADCAST:
1464: optname = SO_BROADCAST;
1465: break;
1466: case TARGET_SO_SNDBUF:
1467: optname = SO_SNDBUF;
1468: break;
1469: case TARGET_SO_RCVBUF:
1470: optname = SO_RCVBUF;
1471: break;
1472: case TARGET_SO_KEEPALIVE:
1473: optname = SO_KEEPALIVE;
1474: break;
1475: case TARGET_SO_OOBINLINE:
1476: optname = SO_OOBINLINE;
1477: break;
1478: case TARGET_SO_NO_CHECK:
1479: optname = SO_NO_CHECK;
1480: break;
1481: case TARGET_SO_PRIORITY:
1482: optname = SO_PRIORITY;
1483: break;
1.1 root 1484: #ifdef SO_BSDCOMPAT
1.1.1.4 root 1485: case TARGET_SO_BSDCOMPAT:
1486: optname = SO_BSDCOMPAT;
1487: break;
1.1 root 1488: #endif
1.1.1.4 root 1489: case TARGET_SO_PASSCRED:
1490: optname = SO_PASSCRED;
1491: break;
1492: case TARGET_SO_TIMESTAMP:
1493: optname = SO_TIMESTAMP;
1494: break;
1495: case TARGET_SO_RCVLOWAT:
1496: optname = SO_RCVLOWAT;
1497: break;
1498: case TARGET_SO_RCVTIMEO:
1499: optname = SO_RCVTIMEO;
1500: break;
1501: case TARGET_SO_SNDTIMEO:
1502: optname = SO_SNDTIMEO;
1503: break;
1.1 root 1504: break;
1505: default:
1506: goto unimplemented;
1507: }
1.1.1.4 root 1508: if (optlen < sizeof(uint32_t))
1.1.1.6 root 1509: return -TARGET_EINVAL;
1.1.1.4 root 1510:
1.1.1.6 root 1511: if (get_user_u32(val, optval_addr))
1512: return -TARGET_EFAULT;
1.1.1.4 root 1513: ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
1.1 root 1514: break;
1515: default:
1516: unimplemented:
1.1.1.13 root 1517: gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
1.1.1.6 root 1518: ret = -TARGET_ENOPROTOOPT;
1.1 root 1519: }
1520: return ret;
1521: }
1522:
1.1.1.6 root 1523: /* do_getsockopt() Must return target values and target errnos. */
1524: static abi_long do_getsockopt(int sockfd, int level, int optname,
1525: abi_ulong optval_addr, abi_ulong optlen)
1.1 root 1526: {
1.1.1.6 root 1527: abi_long ret;
1.1.1.7 root 1528: int len, val;
1529: socklen_t lv;
1.1 root 1530:
1531: switch(level) {
1.1.1.4 root 1532: case TARGET_SOL_SOCKET:
1.1.1.11 root 1533: level = SOL_SOCKET;
1534: switch (optname) {
1535: /* These don't just return a single integer */
1536: case TARGET_SO_LINGER:
1537: case TARGET_SO_RCVTIMEO:
1538: case TARGET_SO_SNDTIMEO:
1539: case TARGET_SO_PEERNAME:
1540: goto unimplemented;
1.1.1.14! root 1541: case TARGET_SO_PEERCRED: {
! 1542: struct ucred cr;
! 1543: socklen_t crlen;
! 1544: struct target_ucred *tcr;
! 1545:
! 1546: if (get_user_u32(len, optlen)) {
! 1547: return -TARGET_EFAULT;
! 1548: }
! 1549: if (len < 0) {
! 1550: return -TARGET_EINVAL;
! 1551: }
! 1552:
! 1553: crlen = sizeof(cr);
! 1554: ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
! 1555: &cr, &crlen));
! 1556: if (ret < 0) {
! 1557: return ret;
! 1558: }
! 1559: if (len > crlen) {
! 1560: len = crlen;
! 1561: }
! 1562: if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
! 1563: return -TARGET_EFAULT;
! 1564: }
! 1565: __put_user(cr.pid, &tcr->pid);
! 1566: __put_user(cr.uid, &tcr->uid);
! 1567: __put_user(cr.gid, &tcr->gid);
! 1568: unlock_user_struct(tcr, optval_addr, 1);
! 1569: if (put_user_u32(len, optlen)) {
! 1570: return -TARGET_EFAULT;
! 1571: }
! 1572: break;
! 1573: }
1.1.1.11 root 1574: /* Options with 'int' argument. */
1575: case TARGET_SO_DEBUG:
1576: optname = SO_DEBUG;
1577: goto int_case;
1578: case TARGET_SO_REUSEADDR:
1579: optname = SO_REUSEADDR;
1580: goto int_case;
1581: case TARGET_SO_TYPE:
1582: optname = SO_TYPE;
1583: goto int_case;
1584: case TARGET_SO_ERROR:
1585: optname = SO_ERROR;
1586: goto int_case;
1587: case TARGET_SO_DONTROUTE:
1588: optname = SO_DONTROUTE;
1589: goto int_case;
1590: case TARGET_SO_BROADCAST:
1591: optname = SO_BROADCAST;
1592: goto int_case;
1593: case TARGET_SO_SNDBUF:
1594: optname = SO_SNDBUF;
1595: goto int_case;
1596: case TARGET_SO_RCVBUF:
1597: optname = SO_RCVBUF;
1598: goto int_case;
1599: case TARGET_SO_KEEPALIVE:
1600: optname = SO_KEEPALIVE;
1601: goto int_case;
1602: case TARGET_SO_OOBINLINE:
1603: optname = SO_OOBINLINE;
1604: goto int_case;
1605: case TARGET_SO_NO_CHECK:
1606: optname = SO_NO_CHECK;
1607: goto int_case;
1608: case TARGET_SO_PRIORITY:
1609: optname = SO_PRIORITY;
1610: goto int_case;
1611: #ifdef SO_BSDCOMPAT
1612: case TARGET_SO_BSDCOMPAT:
1613: optname = SO_BSDCOMPAT;
1614: goto int_case;
1615: #endif
1616: case TARGET_SO_PASSCRED:
1617: optname = SO_PASSCRED;
1618: goto int_case;
1619: case TARGET_SO_TIMESTAMP:
1620: optname = SO_TIMESTAMP;
1621: goto int_case;
1622: case TARGET_SO_RCVLOWAT:
1623: optname = SO_RCVLOWAT;
1624: goto int_case;
1.1 root 1625: default:
1626: goto int_case;
1627: }
1628: break;
1629: case SOL_TCP:
1630: /* TCP options all take an 'int' value. */
1631: int_case:
1.1.1.6 root 1632: if (get_user_u32(len, optlen))
1633: return -TARGET_EFAULT;
1.1 root 1634: if (len < 0)
1.1.1.6 root 1635: return -TARGET_EINVAL;
1.1.1.12 root 1636: lv = sizeof(lv);
1.1 root 1637: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1638: if (ret < 0)
1639: return ret;
1640: if (len > lv)
1641: len = lv;
1.1.1.6 root 1642: if (len == 4) {
1643: if (put_user_u32(val, optval_addr))
1644: return -TARGET_EFAULT;
1645: } else {
1646: if (put_user_u8(val, optval_addr))
1647: return -TARGET_EFAULT;
1.1.1.11 root 1648: }
1.1.1.6 root 1649: if (put_user_u32(len, optlen))
1650: return -TARGET_EFAULT;
1.1 root 1651: break;
1652: case SOL_IP:
1653: switch(optname) {
1654: case IP_TOS:
1655: case IP_TTL:
1656: case IP_HDRINCL:
1657: case IP_ROUTER_ALERT:
1658: case IP_RECVOPTS:
1659: case IP_RETOPTS:
1660: case IP_PKTINFO:
1661: case IP_MTU_DISCOVER:
1662: case IP_RECVERR:
1663: case IP_RECVTOS:
1664: #ifdef IP_FREEBIND
1665: case IP_FREEBIND:
1666: #endif
1667: case IP_MULTICAST_TTL:
1668: case IP_MULTICAST_LOOP:
1.1.1.6 root 1669: if (get_user_u32(len, optlen))
1670: return -TARGET_EFAULT;
1.1 root 1671: if (len < 0)
1.1.1.6 root 1672: return -TARGET_EINVAL;
1.1.1.12 root 1673: lv = sizeof(lv);
1.1 root 1674: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1675: if (ret < 0)
1676: return ret;
1677: if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
1678: len = 1;
1.1.1.6 root 1679: if (put_user_u32(len, optlen)
1680: || put_user_u8(val, optval_addr))
1681: return -TARGET_EFAULT;
1.1 root 1682: } else {
1683: if (len > sizeof(int))
1684: len = sizeof(int);
1.1.1.6 root 1685: if (put_user_u32(len, optlen)
1686: || put_user_u32(val, optval_addr))
1687: return -TARGET_EFAULT;
1.1 root 1688: }
1689: break;
1690: default:
1.1.1.6 root 1691: ret = -TARGET_ENOPROTOOPT;
1692: break;
1.1 root 1693: }
1694: break;
1695: default:
1696: unimplemented:
1697: gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1698: level, optname);
1.1.1.6 root 1699: ret = -TARGET_EOPNOTSUPP;
1.1 root 1700: break;
1701: }
1702: return ret;
1703: }
1704:
1.1.1.6 root 1705: /* FIXME
1706: * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1707: * other lock functions have a return code of 0 for failure.
1708: */
1709: static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1710: int count, int copy)
1.1.1.3 root 1711: {
1712: struct target_iovec *target_vec;
1.1.1.6 root 1713: abi_ulong base;
1.1.1.7 root 1714: int i;
1.1.1.3 root 1715:
1.1.1.6 root 1716: target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1717: if (!target_vec)
1718: return -TARGET_EFAULT;
1.1.1.3 root 1719: for(i = 0;i < count; i++) {
1.1.1.13 root 1720: base = tswapal(target_vec[i].iov_base);
1721: vec[i].iov_len = tswapal(target_vec[i].iov_len);
1.1.1.7 root 1722: if (vec[i].iov_len != 0) {
1723: vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
1724: /* Don't check lock_user return value. We must call writev even
1725: if a element has invalid base address. */
1726: } else {
1727: /* zero length pointer is ignored */
1728: vec[i].iov_base = NULL;
1729: }
1.1.1.6 root 1730: }
1731: unlock_user (target_vec, target_addr, 0);
1732: return 0;
1.1.1.3 root 1733: }
1734:
1.1.1.6 root 1735: static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1736: int count, int copy)
1.1.1.3 root 1737: {
1738: struct target_iovec *target_vec;
1.1.1.6 root 1739: abi_ulong base;
1.1.1.3 root 1740: int i;
1741:
1.1.1.6 root 1742: target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1743: if (!target_vec)
1744: return -TARGET_EFAULT;
1.1.1.3 root 1745: for(i = 0;i < count; i++) {
1.1.1.7 root 1746: if (target_vec[i].iov_base) {
1.1.1.13 root 1747: base = tswapal(target_vec[i].iov_base);
1.1.1.7 root 1748: unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1749: }
1.1.1.3 root 1750: }
1751: unlock_user (target_vec, target_addr, 0);
1.1.1.6 root 1752:
1753: return 0;
1.1.1.3 root 1754: }
1755:
1.1.1.6 root 1756: /* do_socket() Must return target values and target errnos. */
1757: static abi_long do_socket(int domain, int type, int protocol)
1.1.1.4 root 1758: {
1759: #if defined(TARGET_MIPS)
1760: switch(type) {
1761: case TARGET_SOCK_DGRAM:
1762: type = SOCK_DGRAM;
1763: break;
1764: case TARGET_SOCK_STREAM:
1765: type = SOCK_STREAM;
1766: break;
1767: case TARGET_SOCK_RAW:
1768: type = SOCK_RAW;
1769: break;
1770: case TARGET_SOCK_RDM:
1771: type = SOCK_RDM;
1772: break;
1773: case TARGET_SOCK_SEQPACKET:
1774: type = SOCK_SEQPACKET;
1775: break;
1776: case TARGET_SOCK_PACKET:
1777: type = SOCK_PACKET;
1778: break;
1779: }
1780: #endif
1.1.1.6 root 1781: if (domain == PF_NETLINK)
1782: return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
1.1.1.4 root 1783: return get_errno(socket(domain, type, protocol));
1784: }
1785:
1.1.1.6 root 1786: /* do_bind() Must return target values and target errnos. */
1787: static abi_long do_bind(int sockfd, abi_ulong target_addr,
1788: socklen_t addrlen)
1.1.1.4 root 1789: {
1.1.1.7 root 1790: void *addr;
1.1.1.8 root 1791: abi_long ret;
1.1.1.7 root 1792:
1.1.1.11 root 1793: if ((int)addrlen < 0) {
1.1.1.7 root 1794: return -TARGET_EINVAL;
1.1.1.11 root 1795: }
1.1.1.7 root 1796:
1.1.1.8 root 1797: addr = alloca(addrlen+1);
1798:
1799: ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1800: if (ret)
1801: return ret;
1.1.1.6 root 1802:
1.1.1.4 root 1803: return get_errno(bind(sockfd, addr, addrlen));
1804: }
1805:
1.1.1.6 root 1806: /* do_connect() Must return target values and target errnos. */
1807: static abi_long do_connect(int sockfd, abi_ulong target_addr,
1808: socklen_t addrlen)
1.1.1.4 root 1809: {
1.1.1.7 root 1810: void *addr;
1.1.1.8 root 1811: abi_long ret;
1.1.1.7 root 1812:
1.1.1.11 root 1813: if ((int)addrlen < 0) {
1.1.1.7 root 1814: return -TARGET_EINVAL;
1.1.1.11 root 1815: }
1.1.1.7 root 1816:
1817: addr = alloca(addrlen);
1.1.1.6 root 1818:
1.1.1.8 root 1819: ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1820: if (ret)
1821: return ret;
1822:
1.1.1.4 root 1823: return get_errno(connect(sockfd, addr, addrlen));
1824: }
1825:
1.1.1.6 root 1826: /* do_sendrecvmsg() Must return target values and target errnos. */
1827: static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1828: int flags, int send)
1.1.1.4 root 1829: {
1.1.1.7 root 1830: abi_long ret, len;
1.1.1.4 root 1831: struct target_msghdr *msgp;
1832: struct msghdr msg;
1833: int count;
1834: struct iovec *vec;
1.1.1.6 root 1835: abi_ulong target_vec;
1.1.1.4 root 1836:
1.1.1.6 root 1837: /* FIXME */
1838: if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1839: msgp,
1840: target_msg,
1841: send ? 1 : 0))
1842: return -TARGET_EFAULT;
1.1.1.4 root 1843: if (msgp->msg_name) {
1844: msg.msg_namelen = tswap32(msgp->msg_namelen);
1845: msg.msg_name = alloca(msg.msg_namelen);
1.1.1.13 root 1846: ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name),
1.1.1.4 root 1847: msg.msg_namelen);
1.1.1.8 root 1848: if (ret) {
1849: unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1850: return ret;
1851: }
1.1.1.4 root 1852: } else {
1853: msg.msg_name = NULL;
1854: msg.msg_namelen = 0;
1855: }
1.1.1.13 root 1856: msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
1.1.1.4 root 1857: msg.msg_control = alloca(msg.msg_controllen);
1858: msg.msg_flags = tswap32(msgp->msg_flags);
1.1.1.6 root 1859:
1.1.1.13 root 1860: count = tswapal(msgp->msg_iovlen);
1.1.1.4 root 1861: vec = alloca(count * sizeof(struct iovec));
1.1.1.13 root 1862: target_vec = tswapal(msgp->msg_iov);
1.1.1.6 root 1863: lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
1.1.1.4 root 1864: msg.msg_iovlen = count;
1865: msg.msg_iov = vec;
1.1.1.6 root 1866:
1.1.1.4 root 1867: if (send) {
1.1.1.6 root 1868: ret = target_to_host_cmsg(&msg, msgp);
1869: if (ret == 0)
1870: ret = get_errno(sendmsg(fd, &msg, flags));
1.1.1.4 root 1871: } else {
1872: ret = get_errno(recvmsg(fd, &msg, flags));
1.1.1.7 root 1873: if (!is_error(ret)) {
1874: len = ret;
1.1.1.6 root 1875: ret = host_to_target_cmsg(msgp, &msg);
1.1.1.7 root 1876: if (!is_error(ret))
1877: ret = len;
1878: }
1.1.1.4 root 1879: }
1880: unlock_iovec(vec, target_vec, count, !send);
1.1.1.6 root 1881: unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1.1.1.4 root 1882: return ret;
1883: }
1884:
1.1.1.6 root 1885: /* do_accept() Must return target values and target errnos. */
1886: static abi_long do_accept(int fd, abi_ulong target_addr,
1887: abi_ulong target_addrlen_addr)
1.1.1.5 root 1888: {
1.1.1.6 root 1889: socklen_t addrlen;
1890: void *addr;
1891: abi_long ret;
1892:
1.1.1.8 root 1893: if (target_addr == 0)
1894: return get_errno(accept(fd, NULL, NULL));
1895:
1896: /* linux returns EINVAL if addrlen pointer is invalid */
1.1.1.6 root 1897: if (get_user_u32(addrlen, target_addrlen_addr))
1.1.1.8 root 1898: return -TARGET_EINVAL;
1899:
1.1.1.11 root 1900: if ((int)addrlen < 0) {
1.1.1.8 root 1901: return -TARGET_EINVAL;
1.1.1.11 root 1902: }
1.1.1.6 root 1903:
1.1.1.8 root 1904: if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1.1.1.7 root 1905: return -TARGET_EINVAL;
1906:
1.1.1.6 root 1907: addr = alloca(addrlen);
1.1.1.5 root 1908:
1909: ret = get_errno(accept(fd, addr, &addrlen));
1910: if (!is_error(ret)) {
1911: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1912: if (put_user_u32(addrlen, target_addrlen_addr))
1913: ret = -TARGET_EFAULT;
1.1.1.5 root 1914: }
1915: return ret;
1916: }
1917:
1.1.1.6 root 1918: /* do_getpeername() Must return target values and target errnos. */
1919: static abi_long do_getpeername(int fd, abi_ulong target_addr,
1920: abi_ulong target_addrlen_addr)
1.1.1.5 root 1921: {
1.1.1.6 root 1922: socklen_t addrlen;
1923: void *addr;
1924: abi_long ret;
1925:
1926: if (get_user_u32(addrlen, target_addrlen_addr))
1927: return -TARGET_EFAULT;
1928:
1.1.1.11 root 1929: if ((int)addrlen < 0) {
1.1.1.7 root 1930: return -TARGET_EINVAL;
1.1.1.11 root 1931: }
1.1.1.7 root 1932:
1.1.1.8 root 1933: if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1934: return -TARGET_EFAULT;
1935:
1.1.1.6 root 1936: addr = alloca(addrlen);
1.1.1.5 root 1937:
1938: ret = get_errno(getpeername(fd, addr, &addrlen));
1939: if (!is_error(ret)) {
1940: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1941: if (put_user_u32(addrlen, target_addrlen_addr))
1942: ret = -TARGET_EFAULT;
1.1.1.5 root 1943: }
1944: return ret;
1945: }
1946:
1.1.1.6 root 1947: /* do_getsockname() Must return target values and target errnos. */
1948: static abi_long do_getsockname(int fd, abi_ulong target_addr,
1949: abi_ulong target_addrlen_addr)
1.1.1.5 root 1950: {
1.1.1.6 root 1951: socklen_t addrlen;
1952: void *addr;
1953: abi_long ret;
1954:
1955: if (get_user_u32(addrlen, target_addrlen_addr))
1956: return -TARGET_EFAULT;
1957:
1.1.1.11 root 1958: if ((int)addrlen < 0) {
1.1.1.7 root 1959: return -TARGET_EINVAL;
1.1.1.11 root 1960: }
1.1.1.7 root 1961:
1.1.1.8 root 1962: if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1963: return -TARGET_EFAULT;
1964:
1.1.1.6 root 1965: addr = alloca(addrlen);
1.1.1.5 root 1966:
1967: ret = get_errno(getsockname(fd, addr, &addrlen));
1968: if (!is_error(ret)) {
1969: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1970: if (put_user_u32(addrlen, target_addrlen_addr))
1971: ret = -TARGET_EFAULT;
1.1.1.5 root 1972: }
1973: return ret;
1974: }
1975:
1.1.1.6 root 1976: /* do_socketpair() Must return target values and target errnos. */
1977: static abi_long do_socketpair(int domain, int type, int protocol,
1978: abi_ulong target_tab_addr)
1.1.1.5 root 1979: {
1980: int tab[2];
1.1.1.6 root 1981: abi_long ret;
1.1.1.5 root 1982:
1983: ret = get_errno(socketpair(domain, type, protocol, tab));
1984: if (!is_error(ret)) {
1.1.1.6 root 1985: if (put_user_s32(tab[0], target_tab_addr)
1986: || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1987: ret = -TARGET_EFAULT;
1.1.1.5 root 1988: }
1989: return ret;
1990: }
1991:
1.1.1.6 root 1992: /* do_sendto() Must return target values and target errnos. */
1993: static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1994: abi_ulong target_addr, socklen_t addrlen)
1.1.1.5 root 1995: {
1996: void *addr;
1997: void *host_msg;
1.1.1.6 root 1998: abi_long ret;
1.1.1.5 root 1999:
1.1.1.11 root 2000: if ((int)addrlen < 0) {
1.1.1.7 root 2001: return -TARGET_EINVAL;
1.1.1.11 root 2002: }
1.1.1.7 root 2003:
1.1.1.6 root 2004: host_msg = lock_user(VERIFY_READ, msg, len, 1);
2005: if (!host_msg)
2006: return -TARGET_EFAULT;
1.1.1.5 root 2007: if (target_addr) {
2008: addr = alloca(addrlen);
1.1.1.8 root 2009: ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2010: if (ret) {
2011: unlock_user(host_msg, msg, 0);
2012: return ret;
2013: }
1.1.1.5 root 2014: ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
2015: } else {
2016: ret = get_errno(send(fd, host_msg, len, flags));
2017: }
2018: unlock_user(host_msg, msg, 0);
2019: return ret;
2020: }
2021:
1.1.1.6 root 2022: /* do_recvfrom() Must return target values and target errnos. */
2023: static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
2024: abi_ulong target_addr,
2025: abi_ulong target_addrlen)
1.1.1.5 root 2026: {
2027: socklen_t addrlen;
2028: void *addr;
2029: void *host_msg;
1.1.1.6 root 2030: abi_long ret;
1.1.1.5 root 2031:
1.1.1.6 root 2032: host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
2033: if (!host_msg)
2034: return -TARGET_EFAULT;
1.1.1.5 root 2035: if (target_addr) {
1.1.1.6 root 2036: if (get_user_u32(addrlen, target_addrlen)) {
2037: ret = -TARGET_EFAULT;
2038: goto fail;
2039: }
1.1.1.11 root 2040: if ((int)addrlen < 0) {
1.1.1.7 root 2041: ret = -TARGET_EINVAL;
2042: goto fail;
2043: }
1.1.1.5 root 2044: addr = alloca(addrlen);
2045: ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
2046: } else {
2047: addr = NULL; /* To keep compiler quiet. */
1.1.1.12 root 2048: ret = get_errno(qemu_recv(fd, host_msg, len, flags));
1.1.1.5 root 2049: }
2050: if (!is_error(ret)) {
2051: if (target_addr) {
2052: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 2053: if (put_user_u32(addrlen, target_addrlen)) {
2054: ret = -TARGET_EFAULT;
2055: goto fail;
2056: }
1.1.1.5 root 2057: }
2058: unlock_user(host_msg, msg, len);
2059: } else {
1.1.1.6 root 2060: fail:
1.1.1.5 root 2061: unlock_user(host_msg, msg, 0);
2062: }
2063: return ret;
2064: }
2065:
1.1.1.6 root 2066: #ifdef TARGET_NR_socketcall
2067: /* do_socketcall() Must return target values and target errnos. */
2068: static abi_long do_socketcall(int num, abi_ulong vptr)
1.1 root 2069: {
1.1.1.6 root 2070: abi_long ret;
2071: const int n = sizeof(abi_ulong);
1.1 root 2072:
2073: switch(num) {
2074: case SOCKOP_socket:
2075: {
1.1.1.8 root 2076: abi_ulong domain, type, protocol;
1.1.1.6 root 2077:
1.1.1.8 root 2078: if (get_user_ual(domain, vptr)
2079: || get_user_ual(type, vptr + n)
2080: || get_user_ual(protocol, vptr + 2 * n))
1.1.1.6 root 2081: return -TARGET_EFAULT;
2082:
1.1.1.4 root 2083: ret = do_socket(domain, type, protocol);
1.1 root 2084: }
2085: break;
2086: case SOCKOP_bind:
2087: {
1.1.1.8 root 2088: abi_ulong sockfd;
1.1.1.6 root 2089: abi_ulong target_addr;
2090: socklen_t addrlen;
2091:
1.1.1.8 root 2092: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2093: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 2094: || get_user_ual(addrlen, vptr + 2 * n))
1.1.1.6 root 2095: return -TARGET_EFAULT;
2096:
1.1.1.4 root 2097: ret = do_bind(sockfd, target_addr, addrlen);
1.1 root 2098: }
2099: break;
2100: case SOCKOP_connect:
2101: {
1.1.1.8 root 2102: abi_ulong sockfd;
1.1.1.6 root 2103: abi_ulong target_addr;
2104: socklen_t addrlen;
2105:
1.1.1.8 root 2106: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2107: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 2108: || get_user_ual(addrlen, vptr + 2 * n))
1.1.1.6 root 2109: return -TARGET_EFAULT;
2110:
1.1.1.4 root 2111: ret = do_connect(sockfd, target_addr, addrlen);
1.1 root 2112: }
2113: break;
2114: case SOCKOP_listen:
2115: {
1.1.1.8 root 2116: abi_ulong sockfd, backlog;
1.1.1.6 root 2117:
1.1.1.8 root 2118: if (get_user_ual(sockfd, vptr)
2119: || get_user_ual(backlog, vptr + n))
1.1.1.6 root 2120: return -TARGET_EFAULT;
2121:
1.1 root 2122: ret = get_errno(listen(sockfd, backlog));
2123: }
2124: break;
2125: case SOCKOP_accept:
2126: {
1.1.1.8 root 2127: abi_ulong sockfd;
1.1.1.6 root 2128: abi_ulong target_addr, target_addrlen;
2129:
1.1.1.8 root 2130: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2131: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 2132: || get_user_ual(target_addrlen, vptr + 2 * n))
1.1.1.6 root 2133: return -TARGET_EFAULT;
2134:
1.1.1.5 root 2135: ret = do_accept(sockfd, target_addr, target_addrlen);
1.1 root 2136: }
2137: break;
2138: case SOCKOP_getsockname:
2139: {
1.1.1.8 root 2140: abi_ulong sockfd;
1.1.1.6 root 2141: abi_ulong target_addr, target_addrlen;
2142:
1.1.1.8 root 2143: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2144: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 2145: || get_user_ual(target_addrlen, vptr + 2 * n))
1.1.1.6 root 2146: return -TARGET_EFAULT;
2147:
1.1.1.5 root 2148: ret = do_getsockname(sockfd, target_addr, target_addrlen);
1.1 root 2149: }
2150: break;
2151: case SOCKOP_getpeername:
2152: {
1.1.1.8 root 2153: abi_ulong sockfd;
1.1.1.6 root 2154: abi_ulong target_addr, target_addrlen;
2155:
1.1.1.8 root 2156: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2157: || get_user_ual(target_addr, vptr + n)
1.1.1.8 root 2158: || get_user_ual(target_addrlen, vptr + 2 * n))
1.1.1.6 root 2159: return -TARGET_EFAULT;
2160:
1.1.1.5 root 2161: ret = do_getpeername(sockfd, target_addr, target_addrlen);
1.1 root 2162: }
2163: break;
2164: case SOCKOP_socketpair:
2165: {
1.1.1.8 root 2166: abi_ulong domain, type, protocol;
1.1.1.6 root 2167: abi_ulong tab;
2168:
1.1.1.8 root 2169: if (get_user_ual(domain, vptr)
2170: || get_user_ual(type, vptr + n)
2171: || get_user_ual(protocol, vptr + 2 * n)
1.1.1.6 root 2172: || get_user_ual(tab, vptr + 3 * n))
2173: return -TARGET_EFAULT;
2174:
1.1.1.5 root 2175: ret = do_socketpair(domain, type, protocol, tab);
1.1 root 2176: }
2177: break;
2178: case SOCKOP_send:
2179: {
1.1.1.8 root 2180: abi_ulong sockfd;
1.1.1.6 root 2181: abi_ulong msg;
2182: size_t len;
1.1.1.8 root 2183: abi_ulong flags;
1.1.1.6 root 2184:
1.1.1.8 root 2185: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2186: || get_user_ual(msg, vptr + n)
2187: || get_user_ual(len, vptr + 2 * n)
1.1.1.8 root 2188: || get_user_ual(flags, vptr + 3 * n))
1.1.1.6 root 2189: return -TARGET_EFAULT;
2190:
1.1.1.5 root 2191: ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1.1 root 2192: }
2193: break;
2194: case SOCKOP_recv:
2195: {
1.1.1.8 root 2196: abi_ulong sockfd;
1.1.1.6 root 2197: abi_ulong msg;
2198: size_t len;
1.1.1.8 root 2199: abi_ulong flags;
1.1.1.6 root 2200:
1.1.1.8 root 2201: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2202: || get_user_ual(msg, vptr + n)
2203: || get_user_ual(len, vptr + 2 * n)
1.1.1.8 root 2204: || get_user_ual(flags, vptr + 3 * n))
1.1.1.6 root 2205: return -TARGET_EFAULT;
2206:
1.1.1.5 root 2207: ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1.1 root 2208: }
2209: break;
2210: case SOCKOP_sendto:
2211: {
1.1.1.8 root 2212: abi_ulong sockfd;
1.1.1.6 root 2213: abi_ulong msg;
2214: size_t len;
1.1.1.8 root 2215: abi_ulong flags;
1.1.1.6 root 2216: abi_ulong addr;
2217: socklen_t addrlen;
2218:
1.1.1.8 root 2219: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2220: || get_user_ual(msg, vptr + n)
2221: || get_user_ual(len, vptr + 2 * n)
1.1.1.8 root 2222: || get_user_ual(flags, vptr + 3 * n)
1.1.1.6 root 2223: || get_user_ual(addr, vptr + 4 * n)
1.1.1.8 root 2224: || get_user_ual(addrlen, vptr + 5 * n))
1.1.1.6 root 2225: return -TARGET_EFAULT;
2226:
1.1.1.5 root 2227: ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1.1 root 2228: }
2229: break;
2230: case SOCKOP_recvfrom:
2231: {
1.1.1.8 root 2232: abi_ulong sockfd;
1.1.1.6 root 2233: abi_ulong msg;
2234: size_t len;
1.1.1.8 root 2235: abi_ulong flags;
1.1.1.6 root 2236: abi_ulong addr;
2237: socklen_t addrlen;
2238:
1.1.1.8 root 2239: if (get_user_ual(sockfd, vptr)
1.1.1.6 root 2240: || get_user_ual(msg, vptr + n)
2241: || get_user_ual(len, vptr + 2 * n)
1.1.1.8 root 2242: || get_user_ual(flags, vptr + 3 * n)
1.1.1.6 root 2243: || get_user_ual(addr, vptr + 4 * n)
1.1.1.8 root 2244: || get_user_ual(addrlen, vptr + 5 * n))
1.1.1.6 root 2245: return -TARGET_EFAULT;
2246:
1.1.1.5 root 2247: ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1.1 root 2248: }
2249: break;
2250: case SOCKOP_shutdown:
2251: {
1.1.1.8 root 2252: abi_ulong sockfd, how;
1.1.1.6 root 2253:
1.1.1.8 root 2254: if (get_user_ual(sockfd, vptr)
2255: || get_user_ual(how, vptr + n))
1.1.1.6 root 2256: return -TARGET_EFAULT;
1.1 root 2257:
2258: ret = get_errno(shutdown(sockfd, how));
2259: }
2260: break;
2261: case SOCKOP_sendmsg:
2262: case SOCKOP_recvmsg:
2263: {
1.1.1.8 root 2264: abi_ulong fd;
1.1.1.6 root 2265: abi_ulong target_msg;
1.1.1.8 root 2266: abi_ulong flags;
1.1 root 2267:
1.1.1.8 root 2268: if (get_user_ual(fd, vptr)
1.1.1.6 root 2269: || get_user_ual(target_msg, vptr + n)
1.1.1.8 root 2270: || get_user_ual(flags, vptr + 2 * n))
1.1.1.6 root 2271: return -TARGET_EFAULT;
1.1.1.4 root 2272:
1.1.1.6 root 2273: ret = do_sendrecvmsg(fd, target_msg, flags,
1.1.1.4 root 2274: (num == SOCKOP_sendmsg));
1.1 root 2275: }
2276: break;
2277: case SOCKOP_setsockopt:
2278: {
1.1.1.8 root 2279: abi_ulong sockfd;
2280: abi_ulong level;
2281: abi_ulong optname;
1.1.1.6 root 2282: abi_ulong optval;
2283: socklen_t optlen;
2284:
1.1.1.8 root 2285: if (get_user_ual(sockfd, vptr)
2286: || get_user_ual(level, vptr + n)
2287: || get_user_ual(optname, vptr + 2 * n)
1.1.1.6 root 2288: || get_user_ual(optval, vptr + 3 * n)
1.1.1.8 root 2289: || get_user_ual(optlen, vptr + 4 * n))
1.1.1.6 root 2290: return -TARGET_EFAULT;
1.1 root 2291:
2292: ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2293: }
2294: break;
2295: case SOCKOP_getsockopt:
2296: {
1.1.1.8 root 2297: abi_ulong sockfd;
2298: abi_ulong level;
2299: abi_ulong optname;
1.1.1.6 root 2300: abi_ulong optval;
2301: socklen_t optlen;
2302:
1.1.1.8 root 2303: if (get_user_ual(sockfd, vptr)
2304: || get_user_ual(level, vptr + n)
2305: || get_user_ual(optname, vptr + 2 * n)
1.1.1.6 root 2306: || get_user_ual(optval, vptr + 3 * n)
1.1.1.8 root 2307: || get_user_ual(optlen, vptr + 4 * n))
1.1.1.6 root 2308: return -TARGET_EFAULT;
1.1 root 2309:
1.1.1.6 root 2310: ret = do_getsockopt(sockfd, level, optname, optval, optlen);
1.1 root 2311: }
2312: break;
2313: default:
2314: gemu_log("Unsupported socketcall: %d\n", num);
1.1.1.6 root 2315: ret = -TARGET_ENOSYS;
1.1 root 2316: break;
2317: }
2318: return ret;
2319: }
1.1.1.6 root 2320: #endif
1.1 root 2321:
2322: #define N_SHM_REGIONS 32
2323:
2324: static struct shm_region {
1.1.1.6 root 2325: abi_ulong start;
2326: abi_ulong size;
1.1 root 2327: } shm_regions[N_SHM_REGIONS];
2328:
1.1.1.6 root 2329: struct target_ipc_perm
2330: {
2331: abi_long __key;
2332: abi_ulong uid;
2333: abi_ulong gid;
2334: abi_ulong cuid;
2335: abi_ulong cgid;
2336: unsigned short int mode;
2337: unsigned short int __pad1;
2338: unsigned short int __seq;
2339: unsigned short int __pad2;
2340: abi_ulong __unused1;
2341: abi_ulong __unused2;
2342: };
2343:
2344: struct target_semid_ds
2345: {
2346: struct target_ipc_perm sem_perm;
2347: abi_ulong sem_otime;
2348: abi_ulong __unused1;
2349: abi_ulong sem_ctime;
2350: abi_ulong __unused2;
2351: abi_ulong sem_nsems;
2352: abi_ulong __unused3;
2353: abi_ulong __unused4;
2354: };
2355:
2356: static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2357: abi_ulong target_addr)
2358: {
2359: struct target_ipc_perm *target_ip;
2360: struct target_semid_ds *target_sd;
2361:
2362: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2363: return -TARGET_EFAULT;
1.1.1.9 root 2364: target_ip = &(target_sd->sem_perm);
1.1.1.13 root 2365: host_ip->__key = tswapal(target_ip->__key);
2366: host_ip->uid = tswapal(target_ip->uid);
2367: host_ip->gid = tswapal(target_ip->gid);
2368: host_ip->cuid = tswapal(target_ip->cuid);
2369: host_ip->cgid = tswapal(target_ip->cgid);
2370: host_ip->mode = tswap16(target_ip->mode);
1.1.1.6 root 2371: unlock_user_struct(target_sd, target_addr, 0);
2372: return 0;
2373: }
2374:
2375: static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2376: struct ipc_perm *host_ip)
2377: {
2378: struct target_ipc_perm *target_ip;
2379: struct target_semid_ds *target_sd;
2380:
2381: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2382: return -TARGET_EFAULT;
2383: target_ip = &(target_sd->sem_perm);
1.1.1.13 root 2384: target_ip->__key = tswapal(host_ip->__key);
2385: target_ip->uid = tswapal(host_ip->uid);
2386: target_ip->gid = tswapal(host_ip->gid);
2387: target_ip->cuid = tswapal(host_ip->cuid);
2388: target_ip->cgid = tswapal(host_ip->cgid);
2389: target_ip->mode = tswap16(host_ip->mode);
1.1.1.6 root 2390: unlock_user_struct(target_sd, target_addr, 1);
2391: return 0;
2392: }
2393:
2394: static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2395: abi_ulong target_addr)
2396: {
2397: struct target_semid_ds *target_sd;
2398:
2399: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2400: return -TARGET_EFAULT;
1.1.1.8 root 2401: if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2402: return -TARGET_EFAULT;
1.1.1.13 root 2403: host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
2404: host_sd->sem_otime = tswapal(target_sd->sem_otime);
2405: host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
1.1.1.6 root 2406: unlock_user_struct(target_sd, target_addr, 0);
2407: return 0;
2408: }
2409:
2410: static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2411: struct semid_ds *host_sd)
2412: {
2413: struct target_semid_ds *target_sd;
2414:
2415: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2416: return -TARGET_EFAULT;
1.1.1.8 root 2417: if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
1.1.1.14! root 2418: return -TARGET_EFAULT;
1.1.1.13 root 2419: target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
2420: target_sd->sem_otime = tswapal(host_sd->sem_otime);
2421: target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
1.1.1.6 root 2422: unlock_user_struct(target_sd, target_addr, 1);
2423: return 0;
2424: }
2425:
1.1.1.8 root 2426: struct target_seminfo {
2427: int semmap;
2428: int semmni;
2429: int semmns;
2430: int semmnu;
2431: int semmsl;
2432: int semopm;
2433: int semume;
2434: int semusz;
2435: int semvmx;
2436: int semaem;
2437: };
2438:
2439: static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2440: struct seminfo *host_seminfo)
2441: {
2442: struct target_seminfo *target_seminfo;
2443: if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2444: return -TARGET_EFAULT;
2445: __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2446: __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2447: __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2448: __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2449: __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2450: __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2451: __put_user(host_seminfo->semume, &target_seminfo->semume);
2452: __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2453: __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2454: __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2455: unlock_user_struct(target_seminfo, target_addr, 1);
2456: return 0;
2457: }
2458:
1.1.1.5 root 2459: union semun {
2460: int val;
1.1.1.6 root 2461: struct semid_ds *buf;
1.1.1.5 root 2462: unsigned short *array;
1.1.1.8 root 2463: struct seminfo *__buf;
1.1.1.5 root 2464: };
2465:
1.1.1.6 root 2466: union target_semun {
2467: int val;
1.1.1.8 root 2468: abi_ulong buf;
2469: abi_ulong array;
2470: abi_ulong __buf;
1.1.1.6 root 2471: };
2472:
1.1.1.8 root 2473: static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2474: abi_ulong target_addr)
1.1.1.6 root 2475: {
1.1.1.8 root 2476: int nsems;
2477: unsigned short *array;
2478: union semun semun;
2479: struct semid_ds semid_ds;
2480: int i, ret;
1.1.1.6 root 2481:
1.1.1.8 root 2482: semun.buf = &semid_ds;
2483:
2484: ret = semctl(semid, 0, IPC_STAT, semun);
2485: if (ret == -1)
2486: return get_errno(ret);
2487:
2488: nsems = semid_ds.sem_nsems;
2489:
2490: *host_array = malloc(nsems*sizeof(unsigned short));
2491: array = lock_user(VERIFY_READ, target_addr,
2492: nsems*sizeof(unsigned short), 1);
2493: if (!array)
2494: return -TARGET_EFAULT;
2495:
2496: for(i=0; i<nsems; i++) {
2497: __get_user((*host_array)[i], &array[i]);
1.1.1.6 root 2498: }
1.1.1.8 root 2499: unlock_user(array, target_addr, 0);
2500:
1.1.1.6 root 2501: return 0;
2502: }
2503:
1.1.1.8 root 2504: static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2505: unsigned short **host_array)
1.1.1.6 root 2506: {
1.1.1.8 root 2507: int nsems;
2508: unsigned short *array;
2509: union semun semun;
2510: struct semid_ds semid_ds;
2511: int i, ret;
1.1.1.6 root 2512:
1.1.1.8 root 2513: semun.buf = &semid_ds;
2514:
2515: ret = semctl(semid, 0, IPC_STAT, semun);
2516: if (ret == -1)
2517: return get_errno(ret);
2518:
2519: nsems = semid_ds.sem_nsems;
2520:
2521: array = lock_user(VERIFY_WRITE, target_addr,
2522: nsems*sizeof(unsigned short), 0);
2523: if (!array)
2524: return -TARGET_EFAULT;
2525:
2526: for(i=0; i<nsems; i++) {
2527: __put_user((*host_array)[i], &array[i]);
1.1.1.6 root 2528: }
1.1.1.8 root 2529: free(*host_array);
2530: unlock_user(array, target_addr, 1);
2531:
1.1.1.6 root 2532: return 0;
2533: }
2534:
1.1.1.8 root 2535: static inline abi_long do_semctl(int semid, int semnum, int cmd,
2536: union target_semun target_su)
1.1.1.6 root 2537: {
2538: union semun arg;
2539: struct semid_ds dsarg;
1.1.1.8 root 2540: unsigned short *array = NULL;
2541: struct seminfo seminfo;
2542: abi_long ret = -TARGET_EINVAL;
2543: abi_long err;
2544: cmd &= 0xff;
1.1.1.6 root 2545:
2546: switch( cmd ) {
2547: case GETVAL:
2548: case SETVAL:
1.1.1.13 root 2549: arg.val = tswap32(target_su.val);
1.1.1.8 root 2550: ret = get_errno(semctl(semid, semnum, cmd, arg));
1.1.1.13 root 2551: target_su.val = tswap32(arg.val);
1.1.1.6 root 2552: break;
2553: case GETALL:
2554: case SETALL:
1.1.1.8 root 2555: err = target_to_host_semarray(semid, &array, target_su.array);
2556: if (err)
2557: return err;
2558: arg.array = array;
2559: ret = get_errno(semctl(semid, semnum, cmd, arg));
2560: err = host_to_target_semarray(semid, target_su.array, &array);
2561: if (err)
2562: return err;
1.1.1.6 root 2563: break;
2564: case IPC_STAT:
2565: case IPC_SET:
1.1.1.8 root 2566: case SEM_STAT:
2567: err = target_to_host_semid_ds(&dsarg, target_su.buf);
2568: if (err)
2569: return err;
2570: arg.buf = &dsarg;
2571: ret = get_errno(semctl(semid, semnum, cmd, arg));
2572: err = host_to_target_semid_ds(target_su.buf, &dsarg);
2573: if (err)
2574: return err;
2575: break;
2576: case IPC_INFO:
2577: case SEM_INFO:
2578: arg.__buf = &seminfo;
2579: ret = get_errno(semctl(semid, semnum, cmd, arg));
2580: err = host_to_target_seminfo(target_su.__buf, &seminfo);
2581: if (err)
2582: return err;
2583: break;
2584: case IPC_RMID:
2585: case GETPID:
2586: case GETNCNT:
2587: case GETZCNT:
2588: ret = get_errno(semctl(semid, semnum, cmd, NULL));
1.1.1.6 root 2589: break;
2590: }
2591:
2592: return ret;
2593: }
2594:
1.1.1.8 root 2595: struct target_sembuf {
2596: unsigned short sem_num;
2597: short sem_op;
2598: short sem_flg;
2599: };
2600:
2601: static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2602: abi_ulong target_addr,
2603: unsigned nsops)
2604: {
2605: struct target_sembuf *target_sembuf;
2606: int i;
2607:
2608: target_sembuf = lock_user(VERIFY_READ, target_addr,
2609: nsops*sizeof(struct target_sembuf), 1);
2610: if (!target_sembuf)
2611: return -TARGET_EFAULT;
2612:
2613: for(i=0; i<nsops; i++) {
2614: __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2615: __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2616: __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2617: }
2618:
2619: unlock_user(target_sembuf, target_addr, 0);
2620:
2621: return 0;
2622: }
2623:
2624: static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2625: {
2626: struct sembuf sops[nsops];
2627:
2628: if (target_to_host_sembuf(sops, ptr, nsops))
2629: return -TARGET_EFAULT;
2630:
2631: return semop(semid, sops, nsops);
2632: }
2633:
1.1.1.6 root 2634: struct target_msqid_ds
2635: {
1.1.1.7 root 2636: struct target_ipc_perm msg_perm;
2637: abi_ulong msg_stime;
2638: #if TARGET_ABI_BITS == 32
2639: abi_ulong __unused1;
2640: #endif
2641: abi_ulong msg_rtime;
2642: #if TARGET_ABI_BITS == 32
2643: abi_ulong __unused2;
2644: #endif
2645: abi_ulong msg_ctime;
2646: #if TARGET_ABI_BITS == 32
2647: abi_ulong __unused3;
2648: #endif
2649: abi_ulong __msg_cbytes;
2650: abi_ulong msg_qnum;
2651: abi_ulong msg_qbytes;
2652: abi_ulong msg_lspid;
2653: abi_ulong msg_lrpid;
2654: abi_ulong __unused4;
2655: abi_ulong __unused5;
1.1.1.6 root 2656: };
2657:
2658: static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2659: abi_ulong target_addr)
2660: {
2661: struct target_msqid_ds *target_md;
2662:
2663: if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2664: return -TARGET_EFAULT;
1.1.1.7 root 2665: if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2666: return -TARGET_EFAULT;
1.1.1.13 root 2667: host_md->msg_stime = tswapal(target_md->msg_stime);
2668: host_md->msg_rtime = tswapal(target_md->msg_rtime);
2669: host_md->msg_ctime = tswapal(target_md->msg_ctime);
2670: host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
2671: host_md->msg_qnum = tswapal(target_md->msg_qnum);
2672: host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
2673: host_md->msg_lspid = tswapal(target_md->msg_lspid);
2674: host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
1.1.1.6 root 2675: unlock_user_struct(target_md, target_addr, 0);
2676: return 0;
2677: }
2678:
2679: static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2680: struct msqid_ds *host_md)
2681: {
2682: struct target_msqid_ds *target_md;
2683:
2684: if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2685: return -TARGET_EFAULT;
1.1.1.7 root 2686: if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2687: return -TARGET_EFAULT;
1.1.1.13 root 2688: target_md->msg_stime = tswapal(host_md->msg_stime);
2689: target_md->msg_rtime = tswapal(host_md->msg_rtime);
2690: target_md->msg_ctime = tswapal(host_md->msg_ctime);
2691: target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
2692: target_md->msg_qnum = tswapal(host_md->msg_qnum);
2693: target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
2694: target_md->msg_lspid = tswapal(host_md->msg_lspid);
2695: target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
1.1.1.6 root 2696: unlock_user_struct(target_md, target_addr, 1);
2697: return 0;
2698: }
2699:
1.1.1.7 root 2700: struct target_msginfo {
2701: int msgpool;
2702: int msgmap;
2703: int msgmax;
2704: int msgmnb;
2705: int msgmni;
2706: int msgssz;
2707: int msgtql;
2708: unsigned short int msgseg;
2709: };
2710:
1.1.1.8 root 2711: static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2712: struct msginfo *host_msginfo)
2713: {
2714: struct target_msginfo *target_msginfo;
2715: if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2716: return -TARGET_EFAULT;
2717: __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2718: __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2719: __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2720: __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2721: __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2722: __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2723: __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2724: __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2725: unlock_user_struct(target_msginfo, target_addr, 1);
2726: return 0;
2727: }
2728:
2729: static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
2730: {
2731: struct msqid_ds dsarg;
2732: struct msginfo msginfo;
2733: abi_long ret = -TARGET_EINVAL;
2734:
2735: cmd &= 0xff;
2736:
2737: switch (cmd) {
2738: case IPC_STAT:
2739: case IPC_SET:
2740: case MSG_STAT:
2741: if (target_to_host_msqid_ds(&dsarg,ptr))
2742: return -TARGET_EFAULT;
2743: ret = get_errno(msgctl(msgid, cmd, &dsarg));
2744: if (host_to_target_msqid_ds(ptr,&dsarg))
2745: return -TARGET_EFAULT;
2746: break;
2747: case IPC_RMID:
2748: ret = get_errno(msgctl(msgid, cmd, NULL));
2749: break;
2750: case IPC_INFO:
2751: case MSG_INFO:
2752: ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2753: if (host_to_target_msginfo(ptr, &msginfo))
2754: return -TARGET_EFAULT;
2755: break;
2756: }
2757:
2758: return ret;
2759: }
2760:
2761: struct target_msgbuf {
2762: abi_long mtype;
2763: char mtext[1];
2764: };
2765:
2766: static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2767: unsigned int msgsz, int msgflg)
2768: {
2769: struct target_msgbuf *target_mb;
2770: struct msgbuf *host_mb;
2771: abi_long ret = 0;
2772:
2773: if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2774: return -TARGET_EFAULT;
2775: host_mb = malloc(msgsz+sizeof(long));
1.1.1.13 root 2776: host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
1.1.1.8 root 2777: memcpy(host_mb->mtext, target_mb->mtext, msgsz);
2778: ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2779: free(host_mb);
2780: unlock_user_struct(target_mb, msgp, 0);
2781:
2782: return ret;
2783: }
2784:
2785: static inline abi_long do_msgrcv(int msqid, abi_long msgp,
2786: unsigned int msgsz, abi_long msgtyp,
2787: int msgflg)
2788: {
2789: struct target_msgbuf *target_mb;
2790: char *target_mtext;
2791: struct msgbuf *host_mb;
2792: abi_long ret = 0;
2793:
2794: if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2795: return -TARGET_EFAULT;
2796:
2797: host_mb = malloc(msgsz+sizeof(long));
1.1.1.13 root 2798: ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapal(msgtyp), msgflg));
1.1.1.8 root 2799:
2800: if (ret > 0) {
2801: abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2802: target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2803: if (!target_mtext) {
2804: ret = -TARGET_EFAULT;
2805: goto end;
2806: }
2807: memcpy(target_mb->mtext, host_mb->mtext, ret);
2808: unlock_user(target_mtext, target_mtext_addr, ret);
2809: }
2810:
1.1.1.13 root 2811: target_mb->mtype = tswapal(host_mb->mtype);
1.1.1.8 root 2812: free(host_mb);
2813:
2814: end:
2815: if (target_mb)
2816: unlock_user_struct(target_mb, msgp, 1);
2817: return ret;
2818: }
2819:
2820: struct target_shmid_ds
2821: {
2822: struct target_ipc_perm shm_perm;
2823: abi_ulong shm_segsz;
2824: abi_ulong shm_atime;
2825: #if TARGET_ABI_BITS == 32
2826: abi_ulong __unused1;
2827: #endif
2828: abi_ulong shm_dtime;
2829: #if TARGET_ABI_BITS == 32
2830: abi_ulong __unused2;
2831: #endif
2832: abi_ulong shm_ctime;
2833: #if TARGET_ABI_BITS == 32
2834: abi_ulong __unused3;
2835: #endif
2836: int shm_cpid;
2837: int shm_lpid;
2838: abi_ulong shm_nattch;
2839: unsigned long int __unused4;
2840: unsigned long int __unused5;
2841: };
2842:
2843: static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2844: abi_ulong target_addr)
2845: {
2846: struct target_shmid_ds *target_sd;
2847:
2848: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2849: return -TARGET_EFAULT;
2850: if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2851: return -TARGET_EFAULT;
2852: __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2853: __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2854: __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2855: __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2856: __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2857: __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2858: __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2859: unlock_user_struct(target_sd, target_addr, 0);
2860: return 0;
2861: }
2862:
2863: static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2864: struct shmid_ds *host_sd)
2865: {
2866: struct target_shmid_ds *target_sd;
2867:
2868: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2869: return -TARGET_EFAULT;
2870: if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2871: return -TARGET_EFAULT;
2872: __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2873: __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2874: __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2875: __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2876: __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2877: __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2878: __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2879: unlock_user_struct(target_sd, target_addr, 1);
2880: return 0;
2881: }
2882:
2883: struct target_shminfo {
2884: abi_ulong shmmax;
2885: abi_ulong shmmin;
2886: abi_ulong shmmni;
2887: abi_ulong shmseg;
2888: abi_ulong shmall;
2889: };
2890:
2891: static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2892: struct shminfo *host_shminfo)
2893: {
2894: struct target_shminfo *target_shminfo;
2895: if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2896: return -TARGET_EFAULT;
2897: __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2898: __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2899: __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2900: __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2901: __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2902: unlock_user_struct(target_shminfo, target_addr, 1);
2903: return 0;
2904: }
2905:
2906: struct target_shm_info {
2907: int used_ids;
2908: abi_ulong shm_tot;
2909: abi_ulong shm_rss;
2910: abi_ulong shm_swp;
2911: abi_ulong swap_attempts;
2912: abi_ulong swap_successes;
2913: };
2914:
2915: static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2916: struct shm_info *host_shm_info)
1.1.1.7 root 2917: {
1.1.1.8 root 2918: struct target_shm_info *target_shm_info;
2919: if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
1.1.1.7 root 2920: return -TARGET_EFAULT;
1.1.1.8 root 2921: __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2922: __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2923: __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2924: __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2925: __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2926: __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2927: unlock_user_struct(target_shm_info, target_addr, 1);
1.1.1.7 root 2928: return 0;
2929: }
2930:
1.1.1.8 root 2931: static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
1.1.1.6 root 2932: {
1.1.1.8 root 2933: struct shmid_ds dsarg;
2934: struct shminfo shminfo;
2935: struct shm_info shm_info;
1.1.1.7 root 2936: abi_long ret = -TARGET_EINVAL;
2937:
2938: cmd &= 0xff;
2939:
1.1.1.8 root 2940: switch(cmd) {
1.1.1.6 root 2941: case IPC_STAT:
2942: case IPC_SET:
1.1.1.8 root 2943: case SHM_STAT:
2944: if (target_to_host_shmid_ds(&dsarg, buf))
1.1.1.7 root 2945: return -TARGET_EFAULT;
1.1.1.8 root 2946: ret = get_errno(shmctl(shmid, cmd, &dsarg));
2947: if (host_to_target_shmid_ds(buf, &dsarg))
1.1.1.7 root 2948: return -TARGET_EFAULT;
2949: break;
2950: case IPC_INFO:
1.1.1.8 root 2951: ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2952: if (host_to_target_shminfo(buf, &shminfo))
1.1.1.7 root 2953: return -TARGET_EFAULT;
2954: break;
1.1.1.8 root 2955: case SHM_INFO:
2956: ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2957: if (host_to_target_shm_info(buf, &shm_info))
2958: return -TARGET_EFAULT;
2959: break;
2960: case IPC_RMID:
2961: case SHM_LOCK:
2962: case SHM_UNLOCK:
2963: ret = get_errno(shmctl(shmid, cmd, NULL));
2964: break;
1.1.1.6 root 2965: }
1.1.1.7 root 2966:
1.1.1.6 root 2967: return ret;
2968: }
2969:
1.1.1.8 root 2970: static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
1.1.1.6 root 2971: {
1.1.1.8 root 2972: abi_long raddr;
2973: void *host_raddr;
2974: struct shmid_ds shm_info;
2975: int i,ret;
1.1.1.6 root 2976:
1.1.1.8 root 2977: /* find out the length of the shared memory segment */
2978: ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2979: if (is_error(ret)) {
2980: /* can't get length, bail out */
2981: return ret;
2982: }
1.1.1.6 root 2983:
1.1.1.8 root 2984: mmap_lock();
1.1.1.6 root 2985:
1.1.1.8 root 2986: if (shmaddr)
2987: host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2988: else {
2989: abi_ulong mmap_start;
1.1.1.6 root 2990:
1.1.1.8 root 2991: mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
1.1.1.7 root 2992:
1.1.1.8 root 2993: if (mmap_start == -1) {
2994: errno = ENOMEM;
2995: host_raddr = (void *)-1;
2996: } else
2997: host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2998: }
1.1.1.7 root 2999:
1.1.1.8 root 3000: if (host_raddr == (void *)-1) {
3001: mmap_unlock();
3002: return get_errno((long)host_raddr);
3003: }
3004: raddr=h2g((unsigned long)host_raddr);
3005:
3006: page_set_flags(raddr, raddr + shm_info.shm_segsz,
3007: PAGE_VALID | PAGE_READ |
3008: ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
3009:
3010: for (i = 0; i < N_SHM_REGIONS; i++) {
3011: if (shm_regions[i].start == 0) {
3012: shm_regions[i].start = raddr;
3013: shm_regions[i].size = shm_info.shm_segsz;
3014: break;
1.1.1.6 root 3015: }
3016: }
1.1.1.7 root 3017:
1.1.1.8 root 3018: mmap_unlock();
3019: return raddr;
1.1.1.6 root 3020:
1.1.1.8 root 3021: }
3022:
3023: static inline abi_long do_shmdt(abi_ulong shmaddr)
3024: {
3025: int i;
3026:
3027: for (i = 0; i < N_SHM_REGIONS; ++i) {
3028: if (shm_regions[i].start == shmaddr) {
3029: shm_regions[i].start = 0;
1.1.1.10 root 3030: page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
1.1.1.8 root 3031: break;
3032: }
3033: }
3034:
3035: return get_errno(shmdt(g2h(shmaddr)));
1.1.1.6 root 3036: }
3037:
1.1.1.7 root 3038: #ifdef TARGET_NR_ipc
1.1.1.3 root 3039: /* ??? This only works with linear mappings. */
1.1.1.6 root 3040: /* do_ipc() must return target values and target errnos. */
3041: static abi_long do_ipc(unsigned int call, int first,
3042: int second, int third,
3043: abi_long ptr, abi_long fifth)
1.1 root 3044: {
3045: int version;
1.1.1.6 root 3046: abi_long ret = 0;
1.1 root 3047:
3048: version = call >> 16;
3049: call &= 0xffff;
3050:
3051: switch (call) {
1.1.1.5 root 3052: case IPCOP_semop:
1.1.1.8 root 3053: ret = do_semop(first, ptr, second);
1.1.1.5 root 3054: break;
3055:
3056: case IPCOP_semget:
3057: ret = get_errno(semget(first, second, third));
3058: break;
3059:
3060: case IPCOP_semctl:
1.1.1.8 root 3061: ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
1.1.1.5 root 3062: break;
3063:
1.1.1.7 root 3064: case IPCOP_msgget:
3065: ret = get_errno(msgget(first, second));
3066: break;
1.1.1.5 root 3067:
1.1.1.7 root 3068: case IPCOP_msgsnd:
3069: ret = do_msgsnd(first, ptr, second, third);
3070: break;
1.1.1.5 root 3071:
1.1.1.7 root 3072: case IPCOP_msgctl:
3073: ret = do_msgctl(first, second, ptr);
3074: break;
1.1.1.5 root 3075:
1.1.1.7 root 3076: case IPCOP_msgrcv:
3077: switch (version) {
3078: case 0:
3079: {
3080: struct target_ipc_kludge {
3081: abi_long msgp;
3082: abi_long msgtyp;
3083: } *tmp;
1.1.1.5 root 3084:
1.1.1.7 root 3085: if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
3086: ret = -TARGET_EFAULT;
3087: break;
3088: }
1.1.1.5 root 3089:
1.1.1.7 root 3090: ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
1.1.1.5 root 3091:
1.1.1.7 root 3092: unlock_user_struct(tmp, ptr, 0);
3093: break;
3094: }
3095: default:
3096: ret = do_msgrcv(first, ptr, second, fifth, third);
3097: }
3098: break;
1.1.1.5 root 3099:
1.1 root 3100: case IPCOP_shmat:
1.1.1.8 root 3101: switch (version) {
3102: default:
1.1.1.6 root 3103: {
3104: abi_ulong raddr;
1.1.1.8 root 3105: raddr = do_shmat(first, ptr, second);
3106: if (is_error(raddr))
3107: return get_errno(raddr);
1.1.1.6 root 3108: if (put_user_ual(raddr, third))
3109: return -TARGET_EFAULT;
1.1.1.8 root 3110: break;
3111: }
3112: case 1:
3113: ret = -TARGET_EINVAL;
3114: break;
1.1.1.6 root 3115: }
1.1 root 3116: break;
3117: case IPCOP_shmdt:
1.1.1.8 root 3118: ret = do_shmdt(ptr);
1.1 root 3119: break;
3120:
3121: case IPCOP_shmget:
3122: /* IPC_* flag values are the same on all linux platforms */
3123: ret = get_errno(shmget(first, second, third));
3124: break;
3125:
3126: /* IPC_* and SHM_* command values are the same on all linux platforms */
3127: case IPCOP_shmctl:
1.1.1.8 root 3128: ret = do_shmctl(first, second, third);
1.1 root 3129: break;
3130: default:
1.1.1.6 root 3131: gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
3132: ret = -TARGET_ENOSYS;
1.1 root 3133: break;
3134: }
3135: return ret;
3136: }
1.1.1.6 root 3137: #endif
1.1 root 3138:
3139: /* kernel structure types definitions */
3140:
1.1.1.8 root 3141: #define STRUCT(name, ...) STRUCT_ ## name,
1.1 root 3142: #define STRUCT_SPECIAL(name) STRUCT_ ## name,
3143: enum {
3144: #include "syscall_types.h"
3145: };
3146: #undef STRUCT
3147: #undef STRUCT_SPECIAL
3148:
1.1.1.8 root 3149: #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
1.1 root 3150: #define STRUCT_SPECIAL(name)
3151: #include "syscall_types.h"
3152: #undef STRUCT
3153: #undef STRUCT_SPECIAL
3154:
1.1.1.11 root 3155: typedef struct IOCTLEntry IOCTLEntry;
3156:
3157: typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
3158: int fd, abi_long cmd, abi_long arg);
3159:
3160: struct IOCTLEntry {
1.1 root 3161: unsigned int target_cmd;
3162: unsigned int host_cmd;
3163: const char *name;
3164: int access;
1.1.1.11 root 3165: do_ioctl_fn *do_ioctl;
1.1 root 3166: const argtype arg_type[5];
1.1.1.11 root 3167: };
1.1 root 3168:
3169: #define IOC_R 0x0001
3170: #define IOC_W 0x0002
3171: #define IOC_RW (IOC_R | IOC_W)
3172:
3173: #define MAX_STRUCT_SIZE 4096
3174:
1.1.1.11 root 3175: #ifdef CONFIG_FIEMAP
3176: /* So fiemap access checks don't overflow on 32 bit systems.
3177: * This is very slightly smaller than the limit imposed by
3178: * the underlying kernel.
3179: */
3180: #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3181: / sizeof(struct fiemap_extent))
3182:
3183: static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
3184: int fd, abi_long cmd, abi_long arg)
3185: {
3186: /* The parameter for this ioctl is a struct fiemap followed
3187: * by an array of struct fiemap_extent whose size is set
3188: * in fiemap->fm_extent_count. The array is filled in by the
3189: * ioctl.
3190: */
3191: int target_size_in, target_size_out;
3192: struct fiemap *fm;
3193: const argtype *arg_type = ie->arg_type;
3194: const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
3195: void *argptr, *p;
3196: abi_long ret;
3197: int i, extent_size = thunk_type_size(extent_arg_type, 0);
3198: uint32_t outbufsz;
3199: int free_fm = 0;
3200:
3201: assert(arg_type[0] == TYPE_PTR);
3202: assert(ie->access == IOC_RW);
3203: arg_type++;
3204: target_size_in = thunk_type_size(arg_type, 0);
3205: argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
3206: if (!argptr) {
3207: return -TARGET_EFAULT;
3208: }
3209: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3210: unlock_user(argptr, arg, 0);
3211: fm = (struct fiemap *)buf_temp;
3212: if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
3213: return -TARGET_EINVAL;
3214: }
3215:
3216: outbufsz = sizeof (*fm) +
3217: (sizeof(struct fiemap_extent) * fm->fm_extent_count);
3218:
3219: if (outbufsz > MAX_STRUCT_SIZE) {
3220: /* We can't fit all the extents into the fixed size buffer.
3221: * Allocate one that is large enough and use it instead.
3222: */
3223: fm = malloc(outbufsz);
3224: if (!fm) {
3225: return -TARGET_ENOMEM;
3226: }
3227: memcpy(fm, buf_temp, sizeof(struct fiemap));
3228: free_fm = 1;
3229: }
3230: ret = get_errno(ioctl(fd, ie->host_cmd, fm));
3231: if (!is_error(ret)) {
3232: target_size_out = target_size_in;
3233: /* An extent_count of 0 means we were only counting the extents
3234: * so there are no structs to copy
3235: */
3236: if (fm->fm_extent_count != 0) {
3237: target_size_out += fm->fm_mapped_extents * extent_size;
3238: }
3239: argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
3240: if (!argptr) {
3241: ret = -TARGET_EFAULT;
3242: } else {
3243: /* Convert the struct fiemap */
3244: thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
3245: if (fm->fm_extent_count != 0) {
3246: p = argptr + target_size_in;
3247: /* ...and then all the struct fiemap_extents */
3248: for (i = 0; i < fm->fm_mapped_extents; i++) {
3249: thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
3250: THUNK_TARGET);
3251: p += extent_size;
3252: }
3253: }
3254: unlock_user(argptr, arg, target_size_out);
3255: }
3256: }
3257: if (free_fm) {
3258: free(fm);
3259: }
3260: return ret;
3261: }
3262: #endif
3263:
1.1.1.12 root 3264: static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
3265: int fd, abi_long cmd, abi_long arg)
3266: {
3267: const argtype *arg_type = ie->arg_type;
3268: int target_size;
3269: void *argptr;
3270: int ret;
3271: struct ifconf *host_ifconf;
3272: uint32_t outbufsz;
3273: const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
3274: int target_ifreq_size;
3275: int nb_ifreq;
3276: int free_buf = 0;
3277: int i;
3278: int target_ifc_len;
3279: abi_long target_ifc_buf;
3280: int host_ifc_len;
3281: char *host_ifc_buf;
3282:
3283: assert(arg_type[0] == TYPE_PTR);
3284: assert(ie->access == IOC_RW);
3285:
3286: arg_type++;
3287: target_size = thunk_type_size(arg_type, 0);
3288:
3289: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3290: if (!argptr)
3291: return -TARGET_EFAULT;
3292: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3293: unlock_user(argptr, arg, 0);
3294:
3295: host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
3296: target_ifc_len = host_ifconf->ifc_len;
3297: target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
3298:
3299: target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
3300: nb_ifreq = target_ifc_len / target_ifreq_size;
3301: host_ifc_len = nb_ifreq * sizeof(struct ifreq);
3302:
3303: outbufsz = sizeof(*host_ifconf) + host_ifc_len;
3304: if (outbufsz > MAX_STRUCT_SIZE) {
3305: /* We can't fit all the extents into the fixed size buffer.
3306: * Allocate one that is large enough and use it instead.
3307: */
3308: host_ifconf = malloc(outbufsz);
3309: if (!host_ifconf) {
3310: return -TARGET_ENOMEM;
3311: }
3312: memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
3313: free_buf = 1;
3314: }
3315: host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
3316:
3317: host_ifconf->ifc_len = host_ifc_len;
3318: host_ifconf->ifc_buf = host_ifc_buf;
3319:
3320: ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf));
3321: if (!is_error(ret)) {
3322: /* convert host ifc_len to target ifc_len */
3323:
3324: nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
3325: target_ifc_len = nb_ifreq * target_ifreq_size;
3326: host_ifconf->ifc_len = target_ifc_len;
3327:
3328: /* restore target ifc_buf */
3329:
3330: host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
3331:
3332: /* copy struct ifconf to target user */
3333:
3334: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3335: if (!argptr)
3336: return -TARGET_EFAULT;
3337: thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
3338: unlock_user(argptr, arg, target_size);
3339:
3340: /* copy ifreq[] to target user */
3341:
3342: argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
3343: for (i = 0; i < nb_ifreq ; i++) {
3344: thunk_convert(argptr + i * target_ifreq_size,
3345: host_ifc_buf + i * sizeof(struct ifreq),
3346: ifreq_arg_type, THUNK_TARGET);
3347: }
3348: unlock_user(argptr, target_ifc_buf, target_ifc_len);
3349: }
3350:
3351: if (free_buf) {
3352: free(host_ifconf);
3353: }
3354:
3355: return ret;
3356: }
3357:
1.1.1.14! root 3358: static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
! 3359: abi_long cmd, abi_long arg)
! 3360: {
! 3361: void *argptr;
! 3362: struct dm_ioctl *host_dm;
! 3363: abi_long guest_data;
! 3364: uint32_t guest_data_size;
! 3365: int target_size;
! 3366: const argtype *arg_type = ie->arg_type;
! 3367: abi_long ret;
! 3368: void *big_buf = NULL;
! 3369: char *host_data;
! 3370:
! 3371: arg_type++;
! 3372: target_size = thunk_type_size(arg_type, 0);
! 3373: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
! 3374: if (!argptr) {
! 3375: ret = -TARGET_EFAULT;
! 3376: goto out;
! 3377: }
! 3378: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
! 3379: unlock_user(argptr, arg, 0);
! 3380:
! 3381: /* buf_temp is too small, so fetch things into a bigger buffer */
! 3382: big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
! 3383: memcpy(big_buf, buf_temp, target_size);
! 3384: buf_temp = big_buf;
! 3385: host_dm = big_buf;
! 3386:
! 3387: guest_data = arg + host_dm->data_start;
! 3388: if ((guest_data - arg) < 0) {
! 3389: ret = -EINVAL;
! 3390: goto out;
! 3391: }
! 3392: guest_data_size = host_dm->data_size - host_dm->data_start;
! 3393: host_data = (char*)host_dm + host_dm->data_start;
! 3394:
! 3395: argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
! 3396: switch (ie->host_cmd) {
! 3397: case DM_REMOVE_ALL:
! 3398: case DM_LIST_DEVICES:
! 3399: case DM_DEV_CREATE:
! 3400: case DM_DEV_REMOVE:
! 3401: case DM_DEV_SUSPEND:
! 3402: case DM_DEV_STATUS:
! 3403: case DM_DEV_WAIT:
! 3404: case DM_TABLE_STATUS:
! 3405: case DM_TABLE_CLEAR:
! 3406: case DM_TABLE_DEPS:
! 3407: case DM_LIST_VERSIONS:
! 3408: /* no input data */
! 3409: break;
! 3410: case DM_DEV_RENAME:
! 3411: case DM_DEV_SET_GEOMETRY:
! 3412: /* data contains only strings */
! 3413: memcpy(host_data, argptr, guest_data_size);
! 3414: break;
! 3415: case DM_TARGET_MSG:
! 3416: memcpy(host_data, argptr, guest_data_size);
! 3417: *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
! 3418: break;
! 3419: case DM_TABLE_LOAD:
! 3420: {
! 3421: void *gspec = argptr;
! 3422: void *cur_data = host_data;
! 3423: const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
! 3424: int spec_size = thunk_type_size(arg_type, 0);
! 3425: int i;
! 3426:
! 3427: for (i = 0; i < host_dm->target_count; i++) {
! 3428: struct dm_target_spec *spec = cur_data;
! 3429: uint32_t next;
! 3430: int slen;
! 3431:
! 3432: thunk_convert(spec, gspec, arg_type, THUNK_HOST);
! 3433: slen = strlen((char*)gspec + spec_size) + 1;
! 3434: next = spec->next;
! 3435: spec->next = sizeof(*spec) + slen;
! 3436: strcpy((char*)&spec[1], gspec + spec_size);
! 3437: gspec += next;
! 3438: cur_data += spec->next;
! 3439: }
! 3440: break;
! 3441: }
! 3442: default:
! 3443: ret = -TARGET_EINVAL;
! 3444: goto out;
! 3445: }
! 3446: unlock_user(argptr, guest_data, 0);
! 3447:
! 3448: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
! 3449: if (!is_error(ret)) {
! 3450: guest_data = arg + host_dm->data_start;
! 3451: guest_data_size = host_dm->data_size - host_dm->data_start;
! 3452: argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
! 3453: switch (ie->host_cmd) {
! 3454: case DM_REMOVE_ALL:
! 3455: case DM_DEV_CREATE:
! 3456: case DM_DEV_REMOVE:
! 3457: case DM_DEV_RENAME:
! 3458: case DM_DEV_SUSPEND:
! 3459: case DM_DEV_STATUS:
! 3460: case DM_TABLE_LOAD:
! 3461: case DM_TABLE_CLEAR:
! 3462: case DM_TARGET_MSG:
! 3463: case DM_DEV_SET_GEOMETRY:
! 3464: /* no return data */
! 3465: break;
! 3466: case DM_LIST_DEVICES:
! 3467: {
! 3468: struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
! 3469: uint32_t remaining_data = guest_data_size;
! 3470: void *cur_data = argptr;
! 3471: const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
! 3472: int nl_size = 12; /* can't use thunk_size due to alignment */
! 3473:
! 3474: while (1) {
! 3475: uint32_t next = nl->next;
! 3476: if (next) {
! 3477: nl->next = nl_size + (strlen(nl->name) + 1);
! 3478: }
! 3479: if (remaining_data < nl->next) {
! 3480: host_dm->flags |= DM_BUFFER_FULL_FLAG;
! 3481: break;
! 3482: }
! 3483: thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
! 3484: strcpy(cur_data + nl_size, nl->name);
! 3485: cur_data += nl->next;
! 3486: remaining_data -= nl->next;
! 3487: if (!next) {
! 3488: break;
! 3489: }
! 3490: nl = (void*)nl + next;
! 3491: }
! 3492: break;
! 3493: }
! 3494: case DM_DEV_WAIT:
! 3495: case DM_TABLE_STATUS:
! 3496: {
! 3497: struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
! 3498: void *cur_data = argptr;
! 3499: const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
! 3500: int spec_size = thunk_type_size(arg_type, 0);
! 3501: int i;
! 3502:
! 3503: for (i = 0; i < host_dm->target_count; i++) {
! 3504: uint32_t next = spec->next;
! 3505: int slen = strlen((char*)&spec[1]) + 1;
! 3506: spec->next = (cur_data - argptr) + spec_size + slen;
! 3507: if (guest_data_size < spec->next) {
! 3508: host_dm->flags |= DM_BUFFER_FULL_FLAG;
! 3509: break;
! 3510: }
! 3511: thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
! 3512: strcpy(cur_data + spec_size, (char*)&spec[1]);
! 3513: cur_data = argptr + spec->next;
! 3514: spec = (void*)host_dm + host_dm->data_start + next;
! 3515: }
! 3516: break;
! 3517: }
! 3518: case DM_TABLE_DEPS:
! 3519: {
! 3520: void *hdata = (void*)host_dm + host_dm->data_start;
! 3521: int count = *(uint32_t*)hdata;
! 3522: uint64_t *hdev = hdata + 8;
! 3523: uint64_t *gdev = argptr + 8;
! 3524: int i;
! 3525:
! 3526: *(uint32_t*)argptr = tswap32(count);
! 3527: for (i = 0; i < count; i++) {
! 3528: *gdev = tswap64(*hdev);
! 3529: gdev++;
! 3530: hdev++;
! 3531: }
! 3532: break;
! 3533: }
! 3534: case DM_LIST_VERSIONS:
! 3535: {
! 3536: struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
! 3537: uint32_t remaining_data = guest_data_size;
! 3538: void *cur_data = argptr;
! 3539: const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
! 3540: int vers_size = thunk_type_size(arg_type, 0);
! 3541:
! 3542: while (1) {
! 3543: uint32_t next = vers->next;
! 3544: if (next) {
! 3545: vers->next = vers_size + (strlen(vers->name) + 1);
! 3546: }
! 3547: if (remaining_data < vers->next) {
! 3548: host_dm->flags |= DM_BUFFER_FULL_FLAG;
! 3549: break;
! 3550: }
! 3551: thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
! 3552: strcpy(cur_data + vers_size, vers->name);
! 3553: cur_data += vers->next;
! 3554: remaining_data -= vers->next;
! 3555: if (!next) {
! 3556: break;
! 3557: }
! 3558: vers = (void*)vers + next;
! 3559: }
! 3560: break;
! 3561: }
! 3562: default:
! 3563: ret = -TARGET_EINVAL;
! 3564: goto out;
! 3565: }
! 3566: unlock_user(argptr, guest_data, guest_data_size);
! 3567:
! 3568: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
! 3569: if (!argptr) {
! 3570: ret = -TARGET_EFAULT;
! 3571: goto out;
! 3572: }
! 3573: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
! 3574: unlock_user(argptr, arg, target_size);
! 3575: }
! 3576: out:
! 3577: if (big_buf) {
! 3578: free(big_buf);
! 3579: }
! 3580: return ret;
! 3581: }
! 3582:
1.1.1.7 root 3583: static IOCTLEntry ioctl_entries[] = {
1.1.1.8 root 3584: #define IOCTL(cmd, access, ...) \
1.1.1.11 root 3585: { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3586: #define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3587: { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
1.1 root 3588: #include "ioctls.h"
3589: { 0, 0, },
3590: };
3591:
1.1.1.3 root 3592: /* ??? Implement proper locking for ioctls. */
1.1.1.6 root 3593: /* do_ioctl() Must return target values and target errnos. */
3594: static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
1.1 root 3595: {
3596: const IOCTLEntry *ie;
3597: const argtype *arg_type;
1.1.1.6 root 3598: abi_long ret;
1.1 root 3599: uint8_t buf_temp[MAX_STRUCT_SIZE];
1.1.1.3 root 3600: int target_size;
3601: void *argptr;
1.1 root 3602:
3603: ie = ioctl_entries;
3604: for(;;) {
3605: if (ie->target_cmd == 0) {
1.1.1.6 root 3606: gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
3607: return -TARGET_ENOSYS;
1.1 root 3608: }
3609: if (ie->target_cmd == cmd)
3610: break;
3611: ie++;
3612: }
3613: arg_type = ie->arg_type;
3614: #if defined(DEBUG)
1.1.1.6 root 3615: gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
1.1 root 3616: #endif
1.1.1.11 root 3617: if (ie->do_ioctl) {
3618: return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
3619: }
3620:
1.1 root 3621: switch(arg_type[0]) {
3622: case TYPE_NULL:
3623: /* no argument */
3624: ret = get_errno(ioctl(fd, ie->host_cmd));
3625: break;
3626: case TYPE_PTRVOID:
3627: case TYPE_INT:
3628: /* int argment */
3629: ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3630: break;
3631: case TYPE_PTR:
3632: arg_type++;
1.1.1.3 root 3633: target_size = thunk_type_size(arg_type, 0);
1.1 root 3634: switch(ie->access) {
3635: case IOC_R:
3636: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3637: if (!is_error(ret)) {
1.1.1.6 root 3638: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3639: if (!argptr)
3640: return -TARGET_EFAULT;
1.1.1.3 root 3641: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3642: unlock_user(argptr, arg, target_size);
1.1 root 3643: }
3644: break;
3645: case IOC_W:
1.1.1.6 root 3646: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3647: if (!argptr)
3648: return -TARGET_EFAULT;
1.1.1.3 root 3649: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3650: unlock_user(argptr, arg, 0);
1.1 root 3651: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3652: break;
3653: default:
3654: case IOC_RW:
1.1.1.6 root 3655: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3656: if (!argptr)
3657: return -TARGET_EFAULT;
1.1.1.3 root 3658: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3659: unlock_user(argptr, arg, 0);
1.1 root 3660: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3661: if (!is_error(ret)) {
1.1.1.6 root 3662: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3663: if (!argptr)
3664: return -TARGET_EFAULT;
1.1.1.3 root 3665: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3666: unlock_user(argptr, arg, target_size);
1.1 root 3667: }
3668: break;
3669: }
3670: break;
3671: default:
1.1.1.6 root 3672: gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3673: (long)cmd, arg_type[0]);
3674: ret = -TARGET_ENOSYS;
1.1 root 3675: break;
3676: }
3677: return ret;
3678: }
3679:
1.1.1.7 root 3680: static const bitmask_transtbl iflag_tbl[] = {
1.1 root 3681: { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3682: { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3683: { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3684: { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3685: { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3686: { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3687: { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3688: { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3689: { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3690: { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3691: { TARGET_IXON, TARGET_IXON, IXON, IXON },
3692: { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3693: { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3694: { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3695: { 0, 0, 0, 0 }
3696: };
3697:
1.1.1.7 root 3698: static const bitmask_transtbl oflag_tbl[] = {
1.1 root 3699: { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3700: { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3701: { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3702: { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3703: { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3704: { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3705: { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3706: { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3707: { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3708: { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3709: { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3710: { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3711: { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3712: { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3713: { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3714: { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3715: { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3716: { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3717: { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3718: { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3719: { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3720: { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3721: { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3722: { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3723: { 0, 0, 0, 0 }
3724: };
3725:
1.1.1.7 root 3726: static const bitmask_transtbl cflag_tbl[] = {
1.1 root 3727: { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3728: { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3729: { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3730: { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3731: { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3732: { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3733: { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3734: { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3735: { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3736: { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3737: { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3738: { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3739: { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3740: { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3741: { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3742: { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3743: { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3744: { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3745: { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3746: { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3747: { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3748: { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3749: { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3750: { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3751: { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3752: { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3753: { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3754: { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3755: { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3756: { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3757: { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3758: { 0, 0, 0, 0 }
3759: };
3760:
1.1.1.7 root 3761: static const bitmask_transtbl lflag_tbl[] = {
1.1 root 3762: { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3763: { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3764: { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3765: { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3766: { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3767: { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3768: { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3769: { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3770: { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3771: { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3772: { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3773: { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3774: { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3775: { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3776: { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3777: { 0, 0, 0, 0 }
3778: };
3779:
3780: static void target_to_host_termios (void *dst, const void *src)
3781: {
3782: struct host_termios *host = dst;
3783: const struct target_termios *target = src;
1.1.1.6 root 3784:
3785: host->c_iflag =
1.1 root 3786: target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1.1.1.6 root 3787: host->c_oflag =
1.1 root 3788: target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1.1.1.6 root 3789: host->c_cflag =
1.1 root 3790: target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1.1.1.6 root 3791: host->c_lflag =
1.1 root 3792: target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3793: host->c_line = target->c_line;
1.1.1.6 root 3794:
1.1.1.8 root 3795: memset(host->c_cc, 0, sizeof(host->c_cc));
1.1.1.6 root 3796: host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3797: host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3798: host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
3799: host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3800: host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
3801: host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3802: host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
3803: host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3804: host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
3805: host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3806: host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3807: host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3808: host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3809: host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3810: host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3811: host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
3812: host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1.1 root 3813: }
1.1.1.6 root 3814:
1.1 root 3815: static void host_to_target_termios (void *dst, const void *src)
3816: {
3817: struct target_termios *target = dst;
3818: const struct host_termios *host = src;
3819:
1.1.1.6 root 3820: target->c_iflag =
1.1 root 3821: tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1.1.1.6 root 3822: target->c_oflag =
1.1 root 3823: tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1.1.1.6 root 3824: target->c_cflag =
1.1 root 3825: tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1.1.1.6 root 3826: target->c_lflag =
1.1 root 3827: tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3828: target->c_line = host->c_line;
1.1.1.6 root 3829:
1.1.1.8 root 3830: memset(target->c_cc, 0, sizeof(target->c_cc));
1.1 root 3831: target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3832: target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3833: target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3834: target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3835: target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3836: target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3837: target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3838: target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3839: target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3840: target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3841: target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3842: target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3843: target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3844: target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3845: target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3846: target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3847: target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3848: }
3849:
1.1.1.7 root 3850: static const StructEntry struct_termios_def = {
1.1 root 3851: .convert = { host_to_target_termios, target_to_host_termios },
3852: .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3853: .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3854: };
3855:
3856: static bitmask_transtbl mmap_flags_tbl[] = {
3857: { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3858: { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3859: { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3860: { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3861: { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3862: { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3863: { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3864: { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3865: { 0, 0, 0, 0 }
3866: };
3867:
3868: #if defined(TARGET_I386)
3869:
3870: /* NOTE: there is really one LDT for all the threads */
1.1.1.7 root 3871: static uint8_t *ldt_table;
1.1 root 3872:
1.1.1.6 root 3873: static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
1.1 root 3874: {
3875: int size;
1.1.1.3 root 3876: void *p;
1.1 root 3877:
3878: if (!ldt_table)
3879: return 0;
3880: size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3881: if (size > bytecount)
3882: size = bytecount;
1.1.1.6 root 3883: p = lock_user(VERIFY_WRITE, ptr, size, 0);
3884: if (!p)
3885: return -TARGET_EFAULT;
3886: /* ??? Should this by byteswapped? */
1.1.1.3 root 3887: memcpy(p, ldt_table, size);
3888: unlock_user(p, ptr, size);
1.1 root 3889: return size;
3890: }
3891:
3892: /* XXX: add locking support */
1.1.1.6 root 3893: static abi_long write_ldt(CPUX86State *env,
3894: abi_ulong ptr, unsigned long bytecount, int oldmode)
1.1 root 3895: {
3896: struct target_modify_ldt_ldt_s ldt_info;
1.1.1.3 root 3897: struct target_modify_ldt_ldt_s *target_ldt_info;
1.1 root 3898: int seg_32bit, contents, read_exec_only, limit_in_pages;
1.1.1.6 root 3899: int seg_not_present, useable, lm;
1.1 root 3900: uint32_t *lp, entry_1, entry_2;
3901:
3902: if (bytecount != sizeof(ldt_info))
1.1.1.6 root 3903: return -TARGET_EINVAL;
3904: if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
3905: return -TARGET_EFAULT;
1.1.1.3 root 3906: ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1.1.1.13 root 3907: ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
1.1.1.3 root 3908: ldt_info.limit = tswap32(target_ldt_info->limit);
3909: ldt_info.flags = tswap32(target_ldt_info->flags);
3910: unlock_user_struct(target_ldt_info, ptr, 0);
1.1.1.6 root 3911:
1.1 root 3912: if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1.1.1.6 root 3913: return -TARGET_EINVAL;
1.1 root 3914: seg_32bit = ldt_info.flags & 1;
3915: contents = (ldt_info.flags >> 1) & 3;
3916: read_exec_only = (ldt_info.flags >> 3) & 1;
3917: limit_in_pages = (ldt_info.flags >> 4) & 1;
3918: seg_not_present = (ldt_info.flags >> 5) & 1;
3919: useable = (ldt_info.flags >> 6) & 1;
1.1.1.6 root 3920: #ifdef TARGET_ABI32
3921: lm = 0;
3922: #else
3923: lm = (ldt_info.flags >> 7) & 1;
3924: #endif
1.1 root 3925: if (contents == 3) {
3926: if (oldmode)
1.1.1.6 root 3927: return -TARGET_EINVAL;
1.1 root 3928: if (seg_not_present == 0)
1.1.1.6 root 3929: return -TARGET_EINVAL;
1.1 root 3930: }
3931: /* allocate the LDT */
3932: if (!ldt_table) {
1.1.1.7 root 3933: env->ldt.base = target_mmap(0,
3934: TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3935: PROT_READ|PROT_WRITE,
3936: MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3937: if (env->ldt.base == -1)
1.1.1.6 root 3938: return -TARGET_ENOMEM;
1.1.1.7 root 3939: memset(g2h(env->ldt.base), 0,
3940: TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1.1 root 3941: env->ldt.limit = 0xffff;
1.1.1.7 root 3942: ldt_table = g2h(env->ldt.base);
1.1 root 3943: }
3944:
3945: /* NOTE: same code as Linux kernel */
3946: /* Allow LDTs to be cleared by the user. */
3947: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3948: if (oldmode ||
3949: (contents == 0 &&
3950: read_exec_only == 1 &&
3951: seg_32bit == 0 &&
3952: limit_in_pages == 0 &&
3953: seg_not_present == 1 &&
3954: useable == 0 )) {
3955: entry_1 = 0;
3956: entry_2 = 0;
3957: goto install;
3958: }
3959: }
1.1.1.6 root 3960:
1.1 root 3961: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3962: (ldt_info.limit & 0x0ffff);
3963: entry_2 = (ldt_info.base_addr & 0xff000000) |
3964: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3965: (ldt_info.limit & 0xf0000) |
3966: ((read_exec_only ^ 1) << 9) |
3967: (contents << 10) |
3968: ((seg_not_present ^ 1) << 15) |
3969: (seg_32bit << 22) |
3970: (limit_in_pages << 23) |
1.1.1.6 root 3971: (lm << 21) |
1.1 root 3972: 0x7000;
3973: if (!oldmode)
3974: entry_2 |= (useable << 20);
3975:
3976: /* Install the new entry ... */
3977: install:
3978: lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3979: lp[0] = tswap32(entry_1);
3980: lp[1] = tswap32(entry_2);
3981: return 0;
3982: }
3983:
3984: /* specific and weird i386 syscalls */
1.1.1.7 root 3985: static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3986: unsigned long bytecount)
1.1 root 3987: {
1.1.1.6 root 3988: abi_long ret;
3989:
1.1 root 3990: switch (func) {
3991: case 0:
3992: ret = read_ldt(ptr, bytecount);
3993: break;
3994: case 1:
3995: ret = write_ldt(env, ptr, bytecount, 1);
3996: break;
3997: case 0x11:
3998: ret = write_ldt(env, ptr, bytecount, 0);
3999: break;
1.1.1.6 root 4000: default:
4001: ret = -TARGET_ENOSYS;
4002: break;
1.1 root 4003: }
4004: return ret;
4005: }
4006:
1.1.1.7 root 4007: #if defined(TARGET_I386) && defined(TARGET_ABI32)
4008: static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
1.1.1.6 root 4009: {
4010: uint64_t *gdt_table = g2h(env->gdt.base);
4011: struct target_modify_ldt_ldt_s ldt_info;
4012: struct target_modify_ldt_ldt_s *target_ldt_info;
4013: int seg_32bit, contents, read_exec_only, limit_in_pages;
4014: int seg_not_present, useable, lm;
4015: uint32_t *lp, entry_1, entry_2;
4016: int i;
4017:
4018: lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4019: if (!target_ldt_info)
4020: return -TARGET_EFAULT;
4021: ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1.1.1.13 root 4022: ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
1.1.1.6 root 4023: ldt_info.limit = tswap32(target_ldt_info->limit);
4024: ldt_info.flags = tswap32(target_ldt_info->flags);
4025: if (ldt_info.entry_number == -1) {
4026: for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
4027: if (gdt_table[i] == 0) {
4028: ldt_info.entry_number = i;
4029: target_ldt_info->entry_number = tswap32(i);
4030: break;
4031: }
4032: }
4033: }
4034: unlock_user_struct(target_ldt_info, ptr, 1);
4035:
4036: if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
4037: ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
4038: return -TARGET_EINVAL;
4039: seg_32bit = ldt_info.flags & 1;
4040: contents = (ldt_info.flags >> 1) & 3;
4041: read_exec_only = (ldt_info.flags >> 3) & 1;
4042: limit_in_pages = (ldt_info.flags >> 4) & 1;
4043: seg_not_present = (ldt_info.flags >> 5) & 1;
4044: useable = (ldt_info.flags >> 6) & 1;
4045: #ifdef TARGET_ABI32
4046: lm = 0;
4047: #else
4048: lm = (ldt_info.flags >> 7) & 1;
4049: #endif
4050:
4051: if (contents == 3) {
4052: if (seg_not_present == 0)
4053: return -TARGET_EINVAL;
4054: }
4055:
4056: /* NOTE: same code as Linux kernel */
4057: /* Allow LDTs to be cleared by the user. */
4058: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4059: if ((contents == 0 &&
4060: read_exec_only == 1 &&
4061: seg_32bit == 0 &&
4062: limit_in_pages == 0 &&
4063: seg_not_present == 1 &&
4064: useable == 0 )) {
4065: entry_1 = 0;
4066: entry_2 = 0;
4067: goto install;
4068: }
4069: }
4070:
4071: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4072: (ldt_info.limit & 0x0ffff);
4073: entry_2 = (ldt_info.base_addr & 0xff000000) |
4074: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4075: (ldt_info.limit & 0xf0000) |
4076: ((read_exec_only ^ 1) << 9) |
4077: (contents << 10) |
4078: ((seg_not_present ^ 1) << 15) |
4079: (seg_32bit << 22) |
4080: (limit_in_pages << 23) |
4081: (useable << 20) |
4082: (lm << 21) |
4083: 0x7000;
4084:
4085: /* Install the new entry ... */
4086: install:
4087: lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
4088: lp[0] = tswap32(entry_1);
4089: lp[1] = tswap32(entry_2);
4090: return 0;
4091: }
4092:
1.1.1.7 root 4093: static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
1.1.1.6 root 4094: {
4095: struct target_modify_ldt_ldt_s *target_ldt_info;
4096: uint64_t *gdt_table = g2h(env->gdt.base);
4097: uint32_t base_addr, limit, flags;
4098: int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
4099: int seg_not_present, useable, lm;
4100: uint32_t *lp, entry_1, entry_2;
4101:
4102: lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4103: if (!target_ldt_info)
4104: return -TARGET_EFAULT;
4105: idx = tswap32(target_ldt_info->entry_number);
4106: if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
4107: idx > TARGET_GDT_ENTRY_TLS_MAX) {
4108: unlock_user_struct(target_ldt_info, ptr, 1);
4109: return -TARGET_EINVAL;
4110: }
4111: lp = (uint32_t *)(gdt_table + idx);
4112: entry_1 = tswap32(lp[0]);
4113: entry_2 = tswap32(lp[1]);
4114:
4115: read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
4116: contents = (entry_2 >> 10) & 3;
4117: seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
4118: seg_32bit = (entry_2 >> 22) & 1;
4119: limit_in_pages = (entry_2 >> 23) & 1;
4120: useable = (entry_2 >> 20) & 1;
4121: #ifdef TARGET_ABI32
4122: lm = 0;
4123: #else
4124: lm = (entry_2 >> 21) & 1;
4125: #endif
4126: flags = (seg_32bit << 0) | (contents << 1) |
4127: (read_exec_only << 3) | (limit_in_pages << 4) |
4128: (seg_not_present << 5) | (useable << 6) | (lm << 7);
4129: limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
4130: base_addr = (entry_1 >> 16) |
4131: (entry_2 & 0xff000000) |
4132: ((entry_2 & 0xff) << 16);
1.1.1.13 root 4133: target_ldt_info->base_addr = tswapal(base_addr);
1.1.1.6 root 4134: target_ldt_info->limit = tswap32(limit);
4135: target_ldt_info->flags = tswap32(flags);
4136: unlock_user_struct(target_ldt_info, ptr, 1);
4137: return 0;
4138: }
1.1.1.7 root 4139: #endif /* TARGET_I386 && TARGET_ABI32 */
1.1.1.6 root 4140:
4141: #ifndef TARGET_ABI32
1.1.1.7 root 4142: static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
1.1.1.6 root 4143: {
1.1.1.12 root 4144: abi_long ret = 0;
1.1.1.6 root 4145: abi_ulong val;
4146: int idx;
1.1.1.12 root 4147:
1.1.1.6 root 4148: switch(code) {
4149: case TARGET_ARCH_SET_GS:
4150: case TARGET_ARCH_SET_FS:
4151: if (code == TARGET_ARCH_SET_GS)
4152: idx = R_GS;
4153: else
4154: idx = R_FS;
4155: cpu_x86_load_seg(env, idx, 0);
4156: env->segs[idx].base = addr;
4157: break;
4158: case TARGET_ARCH_GET_GS:
4159: case TARGET_ARCH_GET_FS:
4160: if (code == TARGET_ARCH_GET_GS)
4161: idx = R_GS;
4162: else
4163: idx = R_FS;
4164: val = env->segs[idx].base;
4165: if (put_user(val, addr, abi_ulong))
1.1.1.12 root 4166: ret = -TARGET_EFAULT;
1.1.1.6 root 4167: break;
4168: default:
4169: ret = -TARGET_EINVAL;
4170: break;
4171: }
1.1.1.12 root 4172: return ret;
1.1.1.6 root 4173: }
4174: #endif
4175:
1.1 root 4176: #endif /* defined(TARGET_I386) */
4177:
1.1.1.12 root 4178: #define NEW_STACK_SIZE 0x40000
1.1.1.7 root 4179:
1.1.1.12 root 4180: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 4181:
4182: static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
4183: typedef struct {
1.1.1.14! root 4184: CPUArchState *env;
1.1.1.7 root 4185: pthread_mutex_t mutex;
4186: pthread_cond_t cond;
4187: pthread_t thread;
4188: uint32_t tid;
4189: abi_ulong child_tidptr;
4190: abi_ulong parent_tidptr;
4191: sigset_t sigmask;
4192: } new_thread_info;
4193:
4194: static void *clone_func(void *arg)
4195: {
4196: new_thread_info *info = arg;
1.1.1.14! root 4197: CPUArchState *env;
1.1.1.8 root 4198: TaskState *ts;
1.1.1.7 root 4199:
4200: env = info->env;
4201: thread_env = env;
1.1.1.8 root 4202: ts = (TaskState *)thread_env->opaque;
1.1.1.7 root 4203: info->tid = gettid();
1.1.1.8 root 4204: env->host_tid = info->tid;
4205: task_settid(ts);
1.1.1.7 root 4206: if (info->child_tidptr)
4207: put_user_u32(info->tid, info->child_tidptr);
4208: if (info->parent_tidptr)
4209: put_user_u32(info->tid, info->parent_tidptr);
4210: /* Enable signals. */
4211: sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
4212: /* Signal to the parent that we're ready. */
4213: pthread_mutex_lock(&info->mutex);
4214: pthread_cond_broadcast(&info->cond);
4215: pthread_mutex_unlock(&info->mutex);
4216: /* Wait until the parent has finshed initializing the tls state. */
4217: pthread_mutex_lock(&clone_lock);
4218: pthread_mutex_unlock(&clone_lock);
4219: cpu_loop(env);
4220: /* never exits */
4221: return NULL;
4222: }
4223: #else
1.1 root 4224:
4225: static int clone_func(void *arg)
4226: {
1.1.1.14! root 4227: CPUArchState *env = arg;
1.1 root 4228: cpu_loop(env);
4229: /* never exits */
4230: return 0;
4231: }
1.1.1.7 root 4232: #endif
1.1 root 4233:
1.1.1.6 root 4234: /* do_fork() Must return host values and target errnos (unlike most
4235: do_*() functions). */
1.1.1.14! root 4236: static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
1.1.1.7 root 4237: abi_ulong parent_tidptr, target_ulong newtls,
4238: abi_ulong child_tidptr)
1.1 root 4239: {
4240: int ret;
4241: TaskState *ts;
1.1.1.14! root 4242: CPUArchState *new_env;
1.1.1.9 root 4243: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 4244: unsigned int nptl_flags;
4245: sigset_t sigmask;
1.1.1.11 root 4246: #else
4247: uint8_t *new_stack;
1.1.1.7 root 4248: #endif
4249:
4250: /* Emulate vfork() with fork() */
4251: if (flags & CLONE_VFORK)
4252: flags &= ~(CLONE_VFORK | CLONE_VM);
1.1.1.6 root 4253:
1.1 root 4254: if (flags & CLONE_VM) {
1.1.1.8 root 4255: TaskState *parent_ts = (TaskState *)env->opaque;
1.1.1.9 root 4256: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 4257: new_thread_info info;
4258: pthread_attr_t attr;
4259: #endif
1.1.1.13 root 4260: ts = g_malloc0(sizeof(TaskState));
1.1.1.7 root 4261: init_task_state(ts);
1.1 root 4262: /* we create a new CPU instance. */
1.1.1.6 root 4263: new_env = cpu_copy(env);
1.1.1.9 root 4264: #if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
1.1.1.14! root 4265: cpu_state_reset(new_env);
1.1.1.9 root 4266: #endif
1.1.1.7 root 4267: /* Init regs that differ from the parent. */
4268: cpu_clone_regs(new_env, newsp);
4269: new_env->opaque = ts;
1.1.1.8 root 4270: ts->bprm = parent_ts->bprm;
4271: ts->info = parent_ts->info;
1.1.1.9 root 4272: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 4273: nptl_flags = flags;
4274: flags &= ~CLONE_NPTL_FLAGS2;
4275:
1.1.1.8 root 4276: if (nptl_flags & CLONE_CHILD_CLEARTID) {
4277: ts->child_tidptr = child_tidptr;
4278: }
4279:
1.1.1.7 root 4280: if (nptl_flags & CLONE_SETTLS)
4281: cpu_set_tls (new_env, newtls);
4282:
4283: /* Grab a mutex so that thread setup appears atomic. */
4284: pthread_mutex_lock(&clone_lock);
4285:
4286: memset(&info, 0, sizeof(info));
4287: pthread_mutex_init(&info.mutex, NULL);
4288: pthread_mutex_lock(&info.mutex);
4289: pthread_cond_init(&info.cond, NULL);
4290: info.env = new_env;
4291: if (nptl_flags & CLONE_CHILD_SETTID)
4292: info.child_tidptr = child_tidptr;
4293: if (nptl_flags & CLONE_PARENT_SETTID)
4294: info.parent_tidptr = parent_tidptr;
4295:
4296: ret = pthread_attr_init(&attr);
1.1.1.11 root 4297: ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
4298: ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
1.1.1.7 root 4299: /* It is not safe to deliver signals until the child has finished
4300: initializing, so temporarily block all signals. */
4301: sigfillset(&sigmask);
4302: sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
4303:
4304: ret = pthread_create(&info.thread, &attr, clone_func, &info);
1.1.1.8 root 4305: /* TODO: Free new CPU state if thread creation failed. */
1.1.1.7 root 4306:
4307: sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
4308: pthread_attr_destroy(&attr);
4309: if (ret == 0) {
4310: /* Wait for the child to initialize. */
4311: pthread_cond_wait(&info.cond, &info.mutex);
4312: ret = info.tid;
4313: if (flags & CLONE_PARENT_SETTID)
4314: put_user_u32(ret, parent_tidptr);
4315: } else {
4316: ret = -1;
1.1.1.6 root 4317: }
1.1.1.7 root 4318: pthread_mutex_unlock(&info.mutex);
4319: pthread_cond_destroy(&info.cond);
4320: pthread_mutex_destroy(&info.mutex);
4321: pthread_mutex_unlock(&clone_lock);
1.1 root 4322: #else
1.1.1.7 root 4323: if (flags & CLONE_NPTL_FLAGS2)
4324: return -EINVAL;
4325: /* This is probably going to die very quickly, but do it anyway. */
1.1.1.13 root 4326: new_stack = g_malloc0 (NEW_STACK_SIZE);
1.1 root 4327: #ifdef __ia64__
1.1.1.10 root 4328: ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
1.1 root 4329: #else
4330: ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
4331: #endif
1.1.1.7 root 4332: #endif
1.1 root 4333: } else {
4334: /* if no CLONE_VM, we consider it is a fork */
1.1.1.7 root 4335: if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1.1 root 4336: return -EINVAL;
1.1.1.7 root 4337: fork_start();
1.1 root 4338: ret = fork();
1.1.1.7 root 4339: if (ret == 0) {
4340: /* Child Process. */
4341: cpu_clone_regs(env, newsp);
4342: fork_end(1);
1.1.1.9 root 4343: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 4344: /* There is a race condition here. The parent process could
4345: theoretically read the TID in the child process before the child
4346: tid is set. This would require using either ptrace
4347: (not implemented) or having *_tidptr to point at a shared memory
4348: mapping. We can't repeat the spinlock hack used above because
4349: the child process gets its own copy of the lock. */
4350: if (flags & CLONE_CHILD_SETTID)
4351: put_user_u32(gettid(), child_tidptr);
4352: if (flags & CLONE_PARENT_SETTID)
4353: put_user_u32(gettid(), parent_tidptr);
4354: ts = (TaskState *)env->opaque;
4355: if (flags & CLONE_SETTLS)
4356: cpu_set_tls (env, newtls);
1.1.1.8 root 4357: if (flags & CLONE_CHILD_CLEARTID)
4358: ts->child_tidptr = child_tidptr;
1.1.1.7 root 4359: #endif
4360: } else {
4361: fork_end(0);
4362: }
1.1 root 4363: }
4364: return ret;
4365: }
4366:
1.1.1.8 root 4367: /* warning : doesn't handle linux specific flags... */
4368: static int target_to_host_fcntl_cmd(int cmd)
4369: {
4370: switch(cmd) {
4371: case TARGET_F_DUPFD:
4372: case TARGET_F_GETFD:
4373: case TARGET_F_SETFD:
4374: case TARGET_F_GETFL:
4375: case TARGET_F_SETFL:
4376: return cmd;
4377: case TARGET_F_GETLK:
4378: return F_GETLK;
4379: case TARGET_F_SETLK:
4380: return F_SETLK;
4381: case TARGET_F_SETLKW:
4382: return F_SETLKW;
4383: case TARGET_F_GETOWN:
4384: return F_GETOWN;
4385: case TARGET_F_SETOWN:
4386: return F_SETOWN;
4387: case TARGET_F_GETSIG:
4388: return F_GETSIG;
4389: case TARGET_F_SETSIG:
4390: return F_SETSIG;
4391: #if TARGET_ABI_BITS == 32
4392: case TARGET_F_GETLK64:
4393: return F_GETLK64;
4394: case TARGET_F_SETLK64:
4395: return F_SETLK64;
4396: case TARGET_F_SETLKW64:
4397: return F_SETLKW64;
4398: #endif
1.1.1.9 root 4399: case TARGET_F_SETLEASE:
4400: return F_SETLEASE;
4401: case TARGET_F_GETLEASE:
4402: return F_GETLEASE;
4403: #ifdef F_DUPFD_CLOEXEC
4404: case TARGET_F_DUPFD_CLOEXEC:
4405: return F_DUPFD_CLOEXEC;
4406: #endif
4407: case TARGET_F_NOTIFY:
4408: return F_NOTIFY;
1.1.1.8 root 4409: default:
4410: return -TARGET_EINVAL;
4411: }
4412: return -TARGET_EINVAL;
4413: }
4414:
1.1.1.6 root 4415: static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
1.1 root 4416: {
4417: struct flock fl;
1.1.1.3 root 4418: struct target_flock *target_fl;
1.1.1.5 root 4419: struct flock64 fl64;
4420: struct target_flock64 *target_fl64;
1.1.1.6 root 4421: abi_long ret;
1.1.1.8 root 4422: int host_cmd = target_to_host_fcntl_cmd(cmd);
4423:
4424: if (host_cmd == -TARGET_EINVAL)
4425: return host_cmd;
1.1.1.3 root 4426:
1.1 root 4427: switch(cmd) {
4428: case TARGET_F_GETLK:
1.1.1.6 root 4429: if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4430: return -TARGET_EFAULT;
4431: fl.l_type = tswap16(target_fl->l_type);
4432: fl.l_whence = tswap16(target_fl->l_whence);
1.1.1.13 root 4433: fl.l_start = tswapal(target_fl->l_start);
4434: fl.l_len = tswapal(target_fl->l_len);
1.1.1.9 root 4435: fl.l_pid = tswap32(target_fl->l_pid);
1.1.1.6 root 4436: unlock_user_struct(target_fl, arg, 0);
1.1.1.8 root 4437: ret = get_errno(fcntl(fd, host_cmd, &fl));
1.1 root 4438: if (ret == 0) {
1.1.1.6 root 4439: if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
4440: return -TARGET_EFAULT;
1.1 root 4441: target_fl->l_type = tswap16(fl.l_type);
4442: target_fl->l_whence = tswap16(fl.l_whence);
1.1.1.13 root 4443: target_fl->l_start = tswapal(fl.l_start);
4444: target_fl->l_len = tswapal(fl.l_len);
1.1.1.9 root 4445: target_fl->l_pid = tswap32(fl.l_pid);
1.1.1.3 root 4446: unlock_user_struct(target_fl, arg, 1);
1.1 root 4447: }
4448: break;
1.1.1.6 root 4449:
1.1 root 4450: case TARGET_F_SETLK:
4451: case TARGET_F_SETLKW:
1.1.1.6 root 4452: if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4453: return -TARGET_EFAULT;
1.1 root 4454: fl.l_type = tswap16(target_fl->l_type);
4455: fl.l_whence = tswap16(target_fl->l_whence);
1.1.1.13 root 4456: fl.l_start = tswapal(target_fl->l_start);
4457: fl.l_len = tswapal(target_fl->l_len);
1.1.1.9 root 4458: fl.l_pid = tswap32(target_fl->l_pid);
1.1.1.3 root 4459: unlock_user_struct(target_fl, arg, 0);
1.1.1.8 root 4460: ret = get_errno(fcntl(fd, host_cmd, &fl));
1.1 root 4461: break;
1.1.1.6 root 4462:
1.1 root 4463: case TARGET_F_GETLK64:
1.1.1.6 root 4464: if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4465: return -TARGET_EFAULT;
4466: fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4467: fl64.l_whence = tswap16(target_fl64->l_whence);
1.1.1.13 root 4468: fl64.l_start = tswap64(target_fl64->l_start);
4469: fl64.l_len = tswap64(target_fl64->l_len);
1.1.1.9 root 4470: fl64.l_pid = tswap32(target_fl64->l_pid);
1.1.1.6 root 4471: unlock_user_struct(target_fl64, arg, 0);
1.1.1.8 root 4472: ret = get_errno(fcntl(fd, host_cmd, &fl64));
1.1.1.5 root 4473: if (ret == 0) {
1.1.1.6 root 4474: if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
4475: return -TARGET_EFAULT;
1.1.1.5 root 4476: target_fl64->l_type = tswap16(fl64.l_type) >> 1;
4477: target_fl64->l_whence = tswap16(fl64.l_whence);
1.1.1.13 root 4478: target_fl64->l_start = tswap64(fl64.l_start);
4479: target_fl64->l_len = tswap64(fl64.l_len);
1.1.1.9 root 4480: target_fl64->l_pid = tswap32(fl64.l_pid);
1.1.1.5 root 4481: unlock_user_struct(target_fl64, arg, 1);
4482: }
1.1.1.6 root 4483: break;
1.1 root 4484: case TARGET_F_SETLK64:
4485: case TARGET_F_SETLKW64:
1.1.1.6 root 4486: if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4487: return -TARGET_EFAULT;
1.1.1.5 root 4488: fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4489: fl64.l_whence = tswap16(target_fl64->l_whence);
1.1.1.13 root 4490: fl64.l_start = tswap64(target_fl64->l_start);
4491: fl64.l_len = tswap64(target_fl64->l_len);
1.1.1.9 root 4492: fl64.l_pid = tswap32(target_fl64->l_pid);
1.1.1.5 root 4493: unlock_user_struct(target_fl64, arg, 0);
1.1.1.8 root 4494: ret = get_errno(fcntl(fd, host_cmd, &fl64));
1.1 root 4495: break;
4496:
1.1.1.8 root 4497: case TARGET_F_GETFL:
4498: ret = get_errno(fcntl(fd, host_cmd, arg));
1.1.1.6 root 4499: if (ret >= 0) {
4500: ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4501: }
1.1 root 4502: break;
4503:
1.1.1.8 root 4504: case TARGET_F_SETFL:
4505: ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4506: break;
4507:
4508: case TARGET_F_SETOWN:
4509: case TARGET_F_GETOWN:
4510: case TARGET_F_SETSIG:
4511: case TARGET_F_GETSIG:
1.1.1.9 root 4512: case TARGET_F_SETLEASE:
4513: case TARGET_F_GETLEASE:
1.1.1.8 root 4514: ret = get_errno(fcntl(fd, host_cmd, arg));
1.1 root 4515: break;
4516:
4517: default:
1.1.1.6 root 4518: ret = get_errno(fcntl(fd, cmd, arg));
1.1 root 4519: break;
4520: }
4521: return ret;
4522: }
4523:
4524: #ifdef USE_UID16
4525:
4526: static inline int high2lowuid(int uid)
4527: {
4528: if (uid > 65535)
4529: return 65534;
4530: else
4531: return uid;
4532: }
4533:
4534: static inline int high2lowgid(int gid)
4535: {
4536: if (gid > 65535)
4537: return 65534;
4538: else
4539: return gid;
4540: }
4541:
4542: static inline int low2highuid(int uid)
4543: {
4544: if ((int16_t)uid == -1)
4545: return -1;
4546: else
4547: return uid;
4548: }
4549:
4550: static inline int low2highgid(int gid)
4551: {
4552: if ((int16_t)gid == -1)
4553: return -1;
4554: else
4555: return gid;
4556: }
1.1.1.12 root 4557: static inline int tswapid(int id)
4558: {
4559: return tswap16(id);
4560: }
4561: #else /* !USE_UID16 */
4562: static inline int high2lowuid(int uid)
4563: {
4564: return uid;
4565: }
4566: static inline int high2lowgid(int gid)
4567: {
4568: return gid;
4569: }
4570: static inline int low2highuid(int uid)
4571: {
4572: return uid;
4573: }
4574: static inline int low2highgid(int gid)
4575: {
4576: return gid;
4577: }
4578: static inline int tswapid(int id)
4579: {
4580: return tswap32(id);
4581: }
1.1 root 4582: #endif /* USE_UID16 */
4583:
4584: void syscall_init(void)
4585: {
4586: IOCTLEntry *ie;
4587: const argtype *arg_type;
4588: int size;
1.1.1.6 root 4589: int i;
1.1 root 4590:
1.1.1.8 root 4591: #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1.1.1.6 root 4592: #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1.1 root 4593: #include "syscall_types.h"
4594: #undef STRUCT
4595: #undef STRUCT_SPECIAL
4596:
4597: /* we patch the ioctl size if necessary. We rely on the fact that
4598: no ioctl has all the bits at '1' in the size field */
4599: ie = ioctl_entries;
4600: while (ie->target_cmd != 0) {
4601: if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
4602: TARGET_IOC_SIZEMASK) {
4603: arg_type = ie->arg_type;
4604: if (arg_type[0] != TYPE_PTR) {
1.1.1.6 root 4605: fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1.1 root 4606: ie->target_cmd);
4607: exit(1);
4608: }
4609: arg_type++;
4610: size = thunk_type_size(arg_type, 0);
1.1.1.6 root 4611: ie->target_cmd = (ie->target_cmd &
1.1 root 4612: ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
4613: (size << TARGET_IOC_SIZESHIFT);
4614: }
1.1.1.6 root 4615:
4616: /* Build target_to_host_errno_table[] table from
4617: * host_to_target_errno_table[]. */
4618: for (i=0; i < ERRNO_TABLE_SIZE; i++)
4619: target_to_host_errno_table[host_to_target_errno_table[i]] = i;
4620:
1.1 root 4621: /* automatic consistency check if same arch */
1.1.1.7 root 4622: #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4623: (defined(__x86_64__) && defined(TARGET_X86_64))
4624: if (unlikely(ie->target_cmd != ie->host_cmd)) {
4625: fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4626: ie->name, ie->target_cmd, ie->host_cmd);
1.1 root 4627: }
4628: #endif
4629: ie++;
4630: }
4631: }
4632:
1.1.1.6 root 4633: #if TARGET_ABI_BITS == 32
1.1.1.3 root 4634: static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4635: {
1.1.1.7 root 4636: #ifdef TARGET_WORDS_BIGENDIAN
1.1.1.3 root 4637: return ((uint64_t)word0 << 32) | word1;
4638: #else
4639: return ((uint64_t)word1 << 32) | word0;
4640: #endif
4641: }
1.1.1.6 root 4642: #else /* TARGET_ABI_BITS == 32 */
4643: static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4644: {
4645: return word0;
4646: }
4647: #endif /* TARGET_ABI_BITS != 32 */
1.1.1.3 root 4648:
4649: #ifdef TARGET_NR_truncate64
1.1.1.6 root 4650: static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4651: abi_long arg2,
4652: abi_long arg3,
4653: abi_long arg4)
1.1.1.3 root 4654: {
1.1.1.12 root 4655: if (regpairs_aligned(cpu_env)) {
1.1.1.3 root 4656: arg2 = arg3;
4657: arg3 = arg4;
1.1.1.12 root 4658: }
1.1.1.3 root 4659: return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4660: }
4661: #endif
4662:
4663: #ifdef TARGET_NR_ftruncate64
1.1.1.6 root 4664: static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4665: abi_long arg2,
4666: abi_long arg3,
4667: abi_long arg4)
1.1.1.3 root 4668: {
1.1.1.12 root 4669: if (regpairs_aligned(cpu_env)) {
1.1.1.3 root 4670: arg2 = arg3;
4671: arg3 = arg4;
1.1.1.12 root 4672: }
1.1.1.3 root 4673: return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4674: }
4675: #endif
4676:
1.1.1.6 root 4677: static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4678: abi_ulong target_addr)
1.1.1.3 root 4679: {
4680: struct target_timespec *target_ts;
4681:
1.1.1.6 root 4682: if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4683: return -TARGET_EFAULT;
1.1.1.13 root 4684: host_ts->tv_sec = tswapal(target_ts->tv_sec);
4685: host_ts->tv_nsec = tswapal(target_ts->tv_nsec);
1.1.1.3 root 4686: unlock_user_struct(target_ts, target_addr, 0);
1.1.1.7 root 4687: return 0;
1.1.1.3 root 4688: }
4689:
1.1.1.6 root 4690: static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4691: struct timespec *host_ts)
1.1.1.3 root 4692: {
4693: struct target_timespec *target_ts;
4694:
1.1.1.6 root 4695: if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4696: return -TARGET_EFAULT;
1.1.1.13 root 4697: target_ts->tv_sec = tswapal(host_ts->tv_sec);
4698: target_ts->tv_nsec = tswapal(host_ts->tv_nsec);
1.1.1.3 root 4699: unlock_user_struct(target_ts, target_addr, 1);
1.1.1.7 root 4700: return 0;
4701: }
4702:
1.1.1.8 root 4703: #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
1.1.1.7 root 4704: static inline abi_long host_to_target_stat64(void *cpu_env,
4705: abi_ulong target_addr,
4706: struct stat *host_st)
4707: {
4708: #ifdef TARGET_ARM
4709: if (((CPUARMState *)cpu_env)->eabi) {
4710: struct target_eabi_stat64 *target_st;
4711:
4712: if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4713: return -TARGET_EFAULT;
4714: memset(target_st, 0, sizeof(struct target_eabi_stat64));
4715: __put_user(host_st->st_dev, &target_st->st_dev);
4716: __put_user(host_st->st_ino, &target_st->st_ino);
4717: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4718: __put_user(host_st->st_ino, &target_st->__st_ino);
4719: #endif
4720: __put_user(host_st->st_mode, &target_st->st_mode);
4721: __put_user(host_st->st_nlink, &target_st->st_nlink);
4722: __put_user(host_st->st_uid, &target_st->st_uid);
4723: __put_user(host_st->st_gid, &target_st->st_gid);
4724: __put_user(host_st->st_rdev, &target_st->st_rdev);
4725: __put_user(host_st->st_size, &target_st->st_size);
4726: __put_user(host_st->st_blksize, &target_st->st_blksize);
4727: __put_user(host_st->st_blocks, &target_st->st_blocks);
4728: __put_user(host_st->st_atime, &target_st->target_st_atime);
4729: __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4730: __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4731: unlock_user_struct(target_st, target_addr, 1);
4732: } else
4733: #endif
4734: {
1.1.1.10 root 4735: #if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
1.1.1.8 root 4736: struct target_stat *target_st;
4737: #else
1.1.1.7 root 4738: struct target_stat64 *target_st;
1.1.1.8 root 4739: #endif
1.1.1.7 root 4740:
4741: if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4742: return -TARGET_EFAULT;
1.1.1.8 root 4743: memset(target_st, 0, sizeof(*target_st));
1.1.1.7 root 4744: __put_user(host_st->st_dev, &target_st->st_dev);
4745: __put_user(host_st->st_ino, &target_st->st_ino);
4746: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4747: __put_user(host_st->st_ino, &target_st->__st_ino);
4748: #endif
4749: __put_user(host_st->st_mode, &target_st->st_mode);
4750: __put_user(host_st->st_nlink, &target_st->st_nlink);
4751: __put_user(host_st->st_uid, &target_st->st_uid);
4752: __put_user(host_st->st_gid, &target_st->st_gid);
4753: __put_user(host_st->st_rdev, &target_st->st_rdev);
4754: /* XXX: better use of kernel struct */
4755: __put_user(host_st->st_size, &target_st->st_size);
4756: __put_user(host_st->st_blksize, &target_st->st_blksize);
4757: __put_user(host_st->st_blocks, &target_st->st_blocks);
4758: __put_user(host_st->st_atime, &target_st->target_st_atime);
4759: __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4760: __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4761: unlock_user_struct(target_st, target_addr, 1);
4762: }
4763:
4764: return 0;
4765: }
4766: #endif
4767:
1.1.1.9 root 4768: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 4769: /* ??? Using host futex calls even when target atomic operations
4770: are not really atomic probably breaks things. However implementing
4771: futexes locally would make futexes shared between multiple processes
4772: tricky. However they're probably useless because guest atomic
4773: operations won't work either. */
4774: static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4775: target_ulong uaddr2, int val3)
4776: {
4777: struct timespec ts, *pts;
1.1.1.9 root 4778: int base_op;
1.1.1.7 root 4779:
4780: /* ??? We assume FUTEX_* constants are the same on both host
4781: and target. */
1.1.1.8 root 4782: #ifdef FUTEX_CMD_MASK
1.1.1.9 root 4783: base_op = op & FUTEX_CMD_MASK;
1.1.1.8 root 4784: #else
1.1.1.9 root 4785: base_op = op;
1.1.1.8 root 4786: #endif
1.1.1.9 root 4787: switch (base_op) {
1.1.1.7 root 4788: case FUTEX_WAIT:
4789: if (timeout) {
4790: pts = &ts;
4791: target_to_host_timespec(pts, timeout);
4792: } else {
4793: pts = NULL;
4794: }
1.1.1.8 root 4795: return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
1.1.1.7 root 4796: pts, NULL, 0));
4797: case FUTEX_WAKE:
1.1.1.8 root 4798: return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
1.1.1.7 root 4799: case FUTEX_FD:
1.1.1.8 root 4800: return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
1.1.1.7 root 4801: case FUTEX_REQUEUE:
4802: case FUTEX_CMP_REQUEUE:
1.1.1.9 root 4803: case FUTEX_WAKE_OP:
4804: /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4805: TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4806: But the prototype takes a `struct timespec *'; insert casts
4807: to satisfy the compiler. We do not need to tswap TIMEOUT
4808: since it's not compared to guest memory. */
4809: pts = (struct timespec *)(uintptr_t) timeout;
4810: return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4811: g2h(uaddr2),
4812: (base_op == FUTEX_CMP_REQUEUE
4813: ? tswap32(val3)
4814: : val3)));
1.1.1.7 root 4815: default:
4816: return -TARGET_ENOSYS;
4817: }
4818: }
4819: #endif
4820:
1.1.1.8 root 4821: /* Map host to target signal numbers for the wait family of syscalls.
4822: Assume all other status bits are the same. */
4823: static int host_to_target_waitstatus(int status)
4824: {
4825: if (WIFSIGNALED(status)) {
4826: return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4827: }
4828: if (WIFSTOPPED(status)) {
4829: return (host_to_target_signal(WSTOPSIG(status)) << 8)
4830: | (status & 0xff);
4831: }
4832: return status;
4833: }
4834:
1.1.1.7 root 4835: int get_osversion(void)
4836: {
4837: static int osversion;
4838: struct new_utsname buf;
4839: const char *s;
4840: int i, n, tmp;
4841: if (osversion)
4842: return osversion;
4843: if (qemu_uname_release && *qemu_uname_release) {
4844: s = qemu_uname_release;
4845: } else {
4846: if (sys_uname(&buf))
4847: return 0;
4848: s = buf.release;
4849: }
4850: tmp = 0;
4851: for (i = 0; i < 3; i++) {
4852: n = 0;
4853: while (*s >= '0' && *s <= '9') {
4854: n *= 10;
4855: n += *s - '0';
4856: s++;
4857: }
4858: tmp = (tmp << 8) + n;
4859: if (*s == '.')
4860: s++;
4861: }
4862: osversion = tmp;
4863: return osversion;
1.1.1.3 root 4864: }
4865:
1.1.1.14! root 4866:
! 4867: static int open_self_maps(void *cpu_env, int fd)
! 4868: {
! 4869: #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
! 4870: TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
! 4871: #endif
! 4872: FILE *fp;
! 4873: char *line = NULL;
! 4874: size_t len = 0;
! 4875: ssize_t read;
! 4876:
! 4877: fp = fopen("/proc/self/maps", "r");
! 4878: if (fp == NULL) {
! 4879: return -EACCES;
! 4880: }
! 4881:
! 4882: while ((read = getline(&line, &len, fp)) != -1) {
! 4883: int fields, dev_maj, dev_min, inode;
! 4884: uint64_t min, max, offset;
! 4885: char flag_r, flag_w, flag_x, flag_p;
! 4886: char path[512] = "";
! 4887: fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d"
! 4888: " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
! 4889: &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
! 4890:
! 4891: if ((fields < 10) || (fields > 11)) {
! 4892: continue;
! 4893: }
! 4894: if (!strncmp(path, "[stack]", 7)) {
! 4895: continue;
! 4896: }
! 4897: if (h2g_valid(min) && h2g_valid(max)) {
! 4898: dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx
! 4899: " %c%c%c%c %08" PRIx64 " %02x:%02x %d%s%s\n",
! 4900: h2g(min), h2g(max), flag_r, flag_w,
! 4901: flag_x, flag_p, offset, dev_maj, dev_min, inode,
! 4902: path[0] ? " " : "", path);
! 4903: }
! 4904: }
! 4905:
! 4906: free(line);
! 4907: fclose(fp);
! 4908:
! 4909: #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
! 4910: dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
! 4911: (unsigned long long)ts->info->stack_limit,
! 4912: (unsigned long long)(ts->stack_base + (TARGET_PAGE_SIZE - 1))
! 4913: & TARGET_PAGE_MASK,
! 4914: (unsigned long long)0);
! 4915: #endif
! 4916:
! 4917: return 0;
! 4918: }
! 4919:
! 4920: static int open_self_stat(void *cpu_env, int fd)
! 4921: {
! 4922: TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
! 4923: abi_ulong start_stack = ts->info->start_stack;
! 4924: int i;
! 4925:
! 4926: for (i = 0; i < 44; i++) {
! 4927: char buf[128];
! 4928: int len;
! 4929: uint64_t val = 0;
! 4930:
! 4931: if (i == 0) {
! 4932: /* pid */
! 4933: val = getpid();
! 4934: snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
! 4935: } else if (i == 1) {
! 4936: /* app name */
! 4937: snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
! 4938: } else if (i == 27) {
! 4939: /* stack bottom */
! 4940: val = start_stack;
! 4941: snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
! 4942: } else {
! 4943: /* for the rest, there is MasterCard */
! 4944: snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
! 4945: }
! 4946:
! 4947: len = strlen(buf);
! 4948: if (write(fd, buf, len) != len) {
! 4949: return -1;
! 4950: }
! 4951: }
! 4952:
! 4953: return 0;
! 4954: }
! 4955:
! 4956: static int open_self_auxv(void *cpu_env, int fd)
! 4957: {
! 4958: TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
! 4959: abi_ulong auxv = ts->info->saved_auxv;
! 4960: abi_ulong len = ts->info->auxv_len;
! 4961: char *ptr;
! 4962:
! 4963: /*
! 4964: * Auxiliary vector is stored in target process stack.
! 4965: * read in whole auxv vector and copy it to file
! 4966: */
! 4967: ptr = lock_user(VERIFY_READ, auxv, len, 0);
! 4968: if (ptr != NULL) {
! 4969: while (len > 0) {
! 4970: ssize_t r;
! 4971: r = write(fd, ptr, len);
! 4972: if (r <= 0) {
! 4973: break;
! 4974: }
! 4975: len -= r;
! 4976: ptr += r;
! 4977: }
! 4978: lseek(fd, 0, SEEK_SET);
! 4979: unlock_user(ptr, auxv, len);
! 4980: }
! 4981:
! 4982: return 0;
! 4983: }
! 4984:
! 4985: static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode)
! 4986: {
! 4987: struct fake_open {
! 4988: const char *filename;
! 4989: int (*fill)(void *cpu_env, int fd);
! 4990: };
! 4991: const struct fake_open *fake_open;
! 4992: static const struct fake_open fakes[] = {
! 4993: { "/proc/self/maps", open_self_maps },
! 4994: { "/proc/self/stat", open_self_stat },
! 4995: { "/proc/self/auxv", open_self_auxv },
! 4996: { NULL, NULL }
! 4997: };
! 4998:
! 4999: for (fake_open = fakes; fake_open->filename; fake_open++) {
! 5000: if (!strncmp(pathname, fake_open->filename,
! 5001: strlen(fake_open->filename))) {
! 5002: break;
! 5003: }
! 5004: }
! 5005:
! 5006: if (fake_open->filename) {
! 5007: const char *tmpdir;
! 5008: char filename[PATH_MAX];
! 5009: int fd, r;
! 5010:
! 5011: /* create temporary file to map stat to */
! 5012: tmpdir = getenv("TMPDIR");
! 5013: if (!tmpdir)
! 5014: tmpdir = "/tmp";
! 5015: snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
! 5016: fd = mkstemp(filename);
! 5017: if (fd < 0) {
! 5018: return fd;
! 5019: }
! 5020: unlink(filename);
! 5021:
! 5022: if ((r = fake_open->fill(cpu_env, fd))) {
! 5023: close(fd);
! 5024: return r;
! 5025: }
! 5026: lseek(fd, 0, SEEK_SET);
! 5027:
! 5028: return fd;
! 5029: }
! 5030:
! 5031: return get_errno(open(path(pathname), flags, mode));
! 5032: }
! 5033:
1.1.1.6 root 5034: /* do_syscall() should always have a single exit point at the end so
5035: that actions, such as logging of syscall results, can be performed.
5036: All errnos that do_syscall() returns must be -TARGET_<errcode>. */
5037: abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
5038: abi_long arg2, abi_long arg3, abi_long arg4,
1.1.1.12 root 5039: abi_long arg5, abi_long arg6, abi_long arg7,
5040: abi_long arg8)
1.1 root 5041: {
1.1.1.6 root 5042: abi_long ret;
1.1 root 5043: struct stat st;
1.1.1.2 root 5044: struct statfs stfs;
1.1.1.3 root 5045: void *p;
1.1.1.6 root 5046:
1.1 root 5047: #ifdef DEBUG
5048: gemu_log("syscall %d", num);
5049: #endif
1.1.1.6 root 5050: if(do_strace)
5051: print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
5052:
1.1 root 5053: switch(num) {
5054: case TARGET_NR_exit:
1.1.1.9 root 5055: #ifdef CONFIG_USE_NPTL
1.1.1.8 root 5056: /* In old applications this may be used to implement _exit(2).
5057: However in threaded applictions it is used for thread termination,
5058: and _exit_group is used for application termination.
5059: Do thread termination if we have more then one thread. */
5060: /* FIXME: This probably breaks if a signal arrives. We should probably
5061: be disabling signals. */
5062: if (first_cpu->next_cpu) {
5063: TaskState *ts;
1.1.1.14! root 5064: CPUArchState **lastp;
! 5065: CPUArchState *p;
1.1.1.8 root 5066:
5067: cpu_list_lock();
5068: lastp = &first_cpu;
5069: p = first_cpu;
1.1.1.14! root 5070: while (p && p != (CPUArchState *)cpu_env) {
1.1.1.8 root 5071: lastp = &p->next_cpu;
5072: p = p->next_cpu;
5073: }
5074: /* If we didn't find the CPU for this thread then something is
5075: horribly wrong. */
5076: if (!p)
5077: abort();
5078: /* Remove the CPU from the list. */
5079: *lastp = p->next_cpu;
5080: cpu_list_unlock();
1.1.1.14! root 5081: ts = ((CPUArchState *)cpu_env)->opaque;
1.1.1.8 root 5082: if (ts->child_tidptr) {
5083: put_user_u32(0, ts->child_tidptr);
5084: sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
5085: NULL, NULL, 0);
5086: }
1.1.1.11 root 5087: thread_env = NULL;
1.1.1.14! root 5088: object_delete(OBJECT(ENV_GET_CPU(cpu_env)));
1.1.1.13 root 5089: g_free(ts);
1.1.1.8 root 5090: pthread_exit(NULL);
5091: }
5092: #endif
1.1.1.9 root 5093: #ifdef TARGET_GPROF
1.1 root 5094: _mcleanup();
5095: #endif
5096: gdb_exit(cpu_env, arg1);
1.1.1.8 root 5097: _exit(arg1);
1.1 root 5098: ret = 0; /* avoid warning */
5099: break;
5100: case TARGET_NR_read:
1.1.1.7 root 5101: if (arg3 == 0)
5102: ret = 0;
5103: else {
5104: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5105: goto efault;
5106: ret = get_errno(read(arg1, p, arg3));
5107: unlock_user(p, arg2, ret);
5108: }
1.1 root 5109: break;
5110: case TARGET_NR_write:
1.1.1.6 root 5111: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5112: goto efault;
1.1.1.3 root 5113: ret = get_errno(write(arg1, p, arg3));
5114: unlock_user(p, arg2, 0);
1.1 root 5115: break;
5116: case TARGET_NR_open:
1.1.1.6 root 5117: if (!(p = lock_user_string(arg1)))
5118: goto efault;
1.1.1.14! root 5119: ret = get_errno(do_open(cpu_env, p,
! 5120: target_to_host_bitmask(arg2, fcntl_flags_tbl),
! 5121: arg3));
1.1.1.3 root 5122: unlock_user(p, arg1, 0);
1.1 root 5123: break;
1.1.1.6 root 5124: #if defined(TARGET_NR_openat) && defined(__NR_openat)
5125: case TARGET_NR_openat:
5126: if (!(p = lock_user_string(arg2)))
5127: goto efault;
5128: ret = get_errno(sys_openat(arg1,
5129: path(p),
5130: target_to_host_bitmask(arg3, fcntl_flags_tbl),
5131: arg4));
5132: unlock_user(p, arg2, 0);
5133: break;
5134: #endif
1.1 root 5135: case TARGET_NR_close:
5136: ret = get_errno(close(arg1));
5137: break;
5138: case TARGET_NR_brk:
1.1.1.3 root 5139: ret = do_brk(arg1);
1.1 root 5140: break;
5141: case TARGET_NR_fork:
1.1.1.7 root 5142: ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
1.1 root 5143: break;
1.1.1.6 root 5144: #ifdef TARGET_NR_waitpid
1.1 root 5145: case TARGET_NR_waitpid:
5146: {
1.1.1.3 root 5147: int status;
5148: ret = get_errno(waitpid(arg1, &status, arg3));
1.1.1.14! root 5149: if (!is_error(ret) && arg2 && ret
1.1.1.8 root 5150: && put_user_s32(host_to_target_waitstatus(status), arg2))
1.1.1.6 root 5151: goto efault;
1.1 root 5152: }
5153: break;
1.1.1.6 root 5154: #endif
1.1.1.7 root 5155: #ifdef TARGET_NR_waitid
5156: case TARGET_NR_waitid:
5157: {
5158: siginfo_t info;
5159: info.si_pid = 0;
5160: ret = get_errno(waitid(arg1, arg2, &info, arg4));
5161: if (!is_error(ret) && arg3 && info.si_pid != 0) {
5162: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
5163: goto efault;
5164: host_to_target_siginfo(p, &info);
5165: unlock_user(p, arg3, sizeof(target_siginfo_t));
5166: }
5167: }
5168: break;
5169: #endif
1.1.1.6 root 5170: #ifdef TARGET_NR_creat /* not on alpha */
1.1 root 5171: case TARGET_NR_creat:
1.1.1.6 root 5172: if (!(p = lock_user_string(arg1)))
5173: goto efault;
1.1.1.3 root 5174: ret = get_errno(creat(p, arg2));
5175: unlock_user(p, arg1, 0);
1.1 root 5176: break;
1.1.1.6 root 5177: #endif
1.1 root 5178: case TARGET_NR_link:
1.1.1.3 root 5179: {
5180: void * p2;
5181: p = lock_user_string(arg1);
5182: p2 = lock_user_string(arg2);
1.1.1.6 root 5183: if (!p || !p2)
5184: ret = -TARGET_EFAULT;
5185: else
5186: ret = get_errno(link(p, p2));
1.1.1.3 root 5187: unlock_user(p2, arg2, 0);
5188: unlock_user(p, arg1, 0);
5189: }
1.1 root 5190: break;
1.1.1.6 root 5191: #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
5192: case TARGET_NR_linkat:
5193: {
5194: void * p2 = NULL;
5195: if (!arg2 || !arg4)
5196: goto efault;
5197: p = lock_user_string(arg2);
5198: p2 = lock_user_string(arg4);
5199: if (!p || !p2)
5200: ret = -TARGET_EFAULT;
5201: else
5202: ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
5203: unlock_user(p, arg2, 0);
5204: unlock_user(p2, arg4, 0);
5205: }
5206: break;
5207: #endif
1.1 root 5208: case TARGET_NR_unlink:
1.1.1.6 root 5209: if (!(p = lock_user_string(arg1)))
5210: goto efault;
1.1.1.3 root 5211: ret = get_errno(unlink(p));
5212: unlock_user(p, arg1, 0);
1.1 root 5213: break;
1.1.1.6 root 5214: #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
5215: case TARGET_NR_unlinkat:
5216: if (!(p = lock_user_string(arg2)))
5217: goto efault;
5218: ret = get_errno(sys_unlinkat(arg1, p, arg3));
5219: unlock_user(p, arg2, 0);
5220: break;
5221: #endif
1.1 root 5222: case TARGET_NR_execve:
5223: {
5224: char **argp, **envp;
5225: int argc, envc;
1.1.1.6 root 5226: abi_ulong gp;
5227: abi_ulong guest_argp;
5228: abi_ulong guest_envp;
5229: abi_ulong addr;
1.1 root 5230: char **q;
1.1.1.14! root 5231: int total_size = 0;
1.1 root 5232:
5233: argc = 0;
1.1.1.3 root 5234: guest_argp = arg2;
1.1.1.7 root 5235: for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
1.1.1.6 root 5236: if (get_user_ual(addr, gp))
5237: goto efault;
5238: if (!addr)
5239: break;
1.1 root 5240: argc++;
1.1.1.6 root 5241: }
1.1 root 5242: envc = 0;
1.1.1.3 root 5243: guest_envp = arg3;
1.1.1.7 root 5244: for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
1.1.1.6 root 5245: if (get_user_ual(addr, gp))
5246: goto efault;
5247: if (!addr)
5248: break;
1.1 root 5249: envc++;
1.1.1.6 root 5250: }
1.1 root 5251:
5252: argp = alloca((argc + 1) * sizeof(void *));
5253: envp = alloca((envc + 1) * sizeof(void *));
5254:
1.1.1.7 root 5255: for (gp = guest_argp, q = argp; gp;
1.1.1.6 root 5256: gp += sizeof(abi_ulong), q++) {
5257: if (get_user_ual(addr, gp))
5258: goto execve_efault;
1.1.1.3 root 5259: if (!addr)
5260: break;
1.1.1.6 root 5261: if (!(*q = lock_user_string(addr)))
5262: goto execve_efault;
1.1.1.14! root 5263: total_size += strlen(*q) + 1;
1.1.1.3 root 5264: }
1.1 root 5265: *q = NULL;
5266:
1.1.1.7 root 5267: for (gp = guest_envp, q = envp; gp;
1.1.1.6 root 5268: gp += sizeof(abi_ulong), q++) {
5269: if (get_user_ual(addr, gp))
5270: goto execve_efault;
1.1.1.3 root 5271: if (!addr)
5272: break;
1.1.1.6 root 5273: if (!(*q = lock_user_string(addr)))
5274: goto execve_efault;
1.1.1.14! root 5275: total_size += strlen(*q) + 1;
1.1.1.3 root 5276: }
1.1 root 5277: *q = NULL;
5278:
1.1.1.14! root 5279: /* This case will not be caught by the host's execve() if its
! 5280: page size is bigger than the target's. */
! 5281: if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
! 5282: ret = -TARGET_E2BIG;
! 5283: goto execve_end;
! 5284: }
1.1.1.6 root 5285: if (!(p = lock_user_string(arg1)))
5286: goto execve_efault;
1.1.1.3 root 5287: ret = get_errno(execve(p, argp, envp));
5288: unlock_user(p, arg1, 0);
5289:
1.1.1.6 root 5290: goto execve_end;
5291:
5292: execve_efault:
5293: ret = -TARGET_EFAULT;
5294:
5295: execve_end:
1.1.1.3 root 5296: for (gp = guest_argp, q = argp; *q;
1.1.1.6 root 5297: gp += sizeof(abi_ulong), q++) {
5298: if (get_user_ual(addr, gp)
5299: || !addr)
5300: break;
1.1.1.3 root 5301: unlock_user(*q, addr, 0);
5302: }
5303: for (gp = guest_envp, q = envp; *q;
1.1.1.6 root 5304: gp += sizeof(abi_ulong), q++) {
5305: if (get_user_ual(addr, gp)
5306: || !addr)
5307: break;
1.1.1.3 root 5308: unlock_user(*q, addr, 0);
5309: }
1.1 root 5310: }
5311: break;
5312: case TARGET_NR_chdir:
1.1.1.6 root 5313: if (!(p = lock_user_string(arg1)))
5314: goto efault;
1.1.1.3 root 5315: ret = get_errno(chdir(p));
5316: unlock_user(p, arg1, 0);
1.1 root 5317: break;
5318: #ifdef TARGET_NR_time
5319: case TARGET_NR_time:
5320: {
1.1.1.3 root 5321: time_t host_time;
5322: ret = get_errno(time(&host_time));
1.1.1.6 root 5323: if (!is_error(ret)
5324: && arg1
5325: && put_user_sal(host_time, arg1))
5326: goto efault;
1.1 root 5327: }
5328: break;
5329: #endif
5330: case TARGET_NR_mknod:
1.1.1.6 root 5331: if (!(p = lock_user_string(arg1)))
5332: goto efault;
1.1.1.3 root 5333: ret = get_errno(mknod(p, arg2, arg3));
5334: unlock_user(p, arg1, 0);
1.1 root 5335: break;
1.1.1.6 root 5336: #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
5337: case TARGET_NR_mknodat:
5338: if (!(p = lock_user_string(arg2)))
5339: goto efault;
5340: ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
5341: unlock_user(p, arg2, 0);
5342: break;
5343: #endif
1.1 root 5344: case TARGET_NR_chmod:
1.1.1.6 root 5345: if (!(p = lock_user_string(arg1)))
5346: goto efault;
1.1.1.3 root 5347: ret = get_errno(chmod(p, arg2));
5348: unlock_user(p, arg1, 0);
1.1 root 5349: break;
5350: #ifdef TARGET_NR_break
5351: case TARGET_NR_break:
5352: goto unimplemented;
5353: #endif
5354: #ifdef TARGET_NR_oldstat
5355: case TARGET_NR_oldstat:
5356: goto unimplemented;
5357: #endif
5358: case TARGET_NR_lseek:
5359: ret = get_errno(lseek(arg1, arg2, arg3));
5360: break;
1.1.1.10 root 5361: #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
5362: /* Alpha specific */
1.1.1.6 root 5363: case TARGET_NR_getxpid:
1.1.1.10 root 5364: ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
5365: ret = get_errno(getpid());
5366: break;
1.1.1.6 root 5367: #endif
1.1.1.10 root 5368: #ifdef TARGET_NR_getpid
5369: case TARGET_NR_getpid:
1.1 root 5370: ret = get_errno(getpid());
5371: break;
1.1.1.10 root 5372: #endif
1.1 root 5373: case TARGET_NR_mount:
1.1.1.6 root 5374: {
5375: /* need to look at the data field */
5376: void *p2, *p3;
5377: p = lock_user_string(arg1);
5378: p2 = lock_user_string(arg2);
5379: p3 = lock_user_string(arg3);
5380: if (!p || !p2 || !p3)
5381: ret = -TARGET_EFAULT;
1.1.1.9 root 5382: else {
1.1.1.6 root 5383: /* FIXME - arg5 should be locked, but it isn't clear how to
5384: * do that since it's not guaranteed to be a NULL-terminated
5385: * string.
5386: */
1.1.1.9 root 5387: if ( ! arg5 )
5388: ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
5389: else
5390: ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
5391: }
1.1.1.6 root 5392: unlock_user(p, arg1, 0);
5393: unlock_user(p2, arg2, 0);
5394: unlock_user(p3, arg3, 0);
5395: break;
5396: }
5397: #ifdef TARGET_NR_umount
1.1 root 5398: case TARGET_NR_umount:
1.1.1.6 root 5399: if (!(p = lock_user_string(arg1)))
5400: goto efault;
1.1.1.3 root 5401: ret = get_errno(umount(p));
5402: unlock_user(p, arg1, 0);
1.1 root 5403: break;
1.1.1.6 root 5404: #endif
5405: #ifdef TARGET_NR_stime /* not on alpha */
1.1 root 5406: case TARGET_NR_stime:
5407: {
1.1.1.3 root 5408: time_t host_time;
1.1.1.6 root 5409: if (get_user_sal(host_time, arg1))
5410: goto efault;
1.1.1.3 root 5411: ret = get_errno(stime(&host_time));
1.1 root 5412: }
5413: break;
1.1.1.6 root 5414: #endif
1.1 root 5415: case TARGET_NR_ptrace:
5416: goto unimplemented;
1.1.1.6 root 5417: #ifdef TARGET_NR_alarm /* not on alpha */
1.1 root 5418: case TARGET_NR_alarm:
5419: ret = alarm(arg1);
5420: break;
1.1.1.6 root 5421: #endif
1.1 root 5422: #ifdef TARGET_NR_oldfstat
5423: case TARGET_NR_oldfstat:
5424: goto unimplemented;
5425: #endif
1.1.1.6 root 5426: #ifdef TARGET_NR_pause /* not on alpha */
1.1 root 5427: case TARGET_NR_pause:
5428: ret = get_errno(pause());
5429: break;
1.1.1.6 root 5430: #endif
5431: #ifdef TARGET_NR_utime
1.1 root 5432: case TARGET_NR_utime:
5433: {
1.1.1.3 root 5434: struct utimbuf tbuf, *host_tbuf;
5435: struct target_utimbuf *target_tbuf;
5436: if (arg2) {
1.1.1.6 root 5437: if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
5438: goto efault;
1.1.1.13 root 5439: tbuf.actime = tswapal(target_tbuf->actime);
5440: tbuf.modtime = tswapal(target_tbuf->modtime);
1.1.1.3 root 5441: unlock_user_struct(target_tbuf, arg2, 0);
5442: host_tbuf = &tbuf;
1.1 root 5443: } else {
1.1.1.3 root 5444: host_tbuf = NULL;
1.1 root 5445: }
1.1.1.6 root 5446: if (!(p = lock_user_string(arg1)))
5447: goto efault;
1.1.1.3 root 5448: ret = get_errno(utime(p, host_tbuf));
5449: unlock_user(p, arg1, 0);
1.1 root 5450: }
5451: break;
1.1.1.6 root 5452: #endif
1.1 root 5453: case TARGET_NR_utimes:
5454: {
5455: struct timeval *tvp, tv[2];
1.1.1.3 root 5456: if (arg2) {
1.1.1.6 root 5457: if (copy_from_user_timeval(&tv[0], arg2)
5458: || copy_from_user_timeval(&tv[1],
5459: arg2 + sizeof(struct target_timeval)))
5460: goto efault;
1.1 root 5461: tvp = tv;
5462: } else {
5463: tvp = NULL;
5464: }
1.1.1.6 root 5465: if (!(p = lock_user_string(arg1)))
5466: goto efault;
1.1.1.3 root 5467: ret = get_errno(utimes(p, tvp));
5468: unlock_user(p, arg1, 0);
1.1 root 5469: }
5470: break;
1.1.1.7 root 5471: #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
5472: case TARGET_NR_futimesat:
5473: {
5474: struct timeval *tvp, tv[2];
5475: if (arg3) {
5476: if (copy_from_user_timeval(&tv[0], arg3)
5477: || copy_from_user_timeval(&tv[1],
5478: arg3 + sizeof(struct target_timeval)))
5479: goto efault;
5480: tvp = tv;
5481: } else {
5482: tvp = NULL;
5483: }
5484: if (!(p = lock_user_string(arg2)))
5485: goto efault;
5486: ret = get_errno(sys_futimesat(arg1, path(p), tvp));
5487: unlock_user(p, arg2, 0);
5488: }
5489: break;
5490: #endif
1.1 root 5491: #ifdef TARGET_NR_stty
5492: case TARGET_NR_stty:
5493: goto unimplemented;
5494: #endif
5495: #ifdef TARGET_NR_gtty
5496: case TARGET_NR_gtty:
5497: goto unimplemented;
5498: #endif
5499: case TARGET_NR_access:
1.1.1.6 root 5500: if (!(p = lock_user_string(arg1)))
5501: goto efault;
1.1.1.8 root 5502: ret = get_errno(access(path(p), arg2));
1.1.1.3 root 5503: unlock_user(p, arg1, 0);
1.1 root 5504: break;
1.1.1.6 root 5505: #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
5506: case TARGET_NR_faccessat:
5507: if (!(p = lock_user_string(arg2)))
5508: goto efault;
1.1.1.8 root 5509: ret = get_errno(sys_faccessat(arg1, p, arg3));
1.1.1.6 root 5510: unlock_user(p, arg2, 0);
5511: break;
5512: #endif
5513: #ifdef TARGET_NR_nice /* not on alpha */
1.1 root 5514: case TARGET_NR_nice:
5515: ret = get_errno(nice(arg1));
5516: break;
1.1.1.6 root 5517: #endif
1.1 root 5518: #ifdef TARGET_NR_ftime
5519: case TARGET_NR_ftime:
5520: goto unimplemented;
5521: #endif
5522: case TARGET_NR_sync:
5523: sync();
5524: ret = 0;
5525: break;
5526: case TARGET_NR_kill:
1.1.1.7 root 5527: ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
1.1 root 5528: break;
5529: case TARGET_NR_rename:
1.1.1.3 root 5530: {
5531: void *p2;
5532: p = lock_user_string(arg1);
5533: p2 = lock_user_string(arg2);
1.1.1.6 root 5534: if (!p || !p2)
5535: ret = -TARGET_EFAULT;
5536: else
5537: ret = get_errno(rename(p, p2));
1.1.1.3 root 5538: unlock_user(p2, arg2, 0);
5539: unlock_user(p, arg1, 0);
5540: }
1.1 root 5541: break;
1.1.1.6 root 5542: #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
5543: case TARGET_NR_renameat:
5544: {
5545: void *p2;
5546: p = lock_user_string(arg2);
5547: p2 = lock_user_string(arg4);
5548: if (!p || !p2)
5549: ret = -TARGET_EFAULT;
5550: else
5551: ret = get_errno(sys_renameat(arg1, p, arg3, p2));
5552: unlock_user(p2, arg4, 0);
5553: unlock_user(p, arg2, 0);
5554: }
5555: break;
5556: #endif
1.1 root 5557: case TARGET_NR_mkdir:
1.1.1.6 root 5558: if (!(p = lock_user_string(arg1)))
5559: goto efault;
1.1.1.3 root 5560: ret = get_errno(mkdir(p, arg2));
5561: unlock_user(p, arg1, 0);
1.1 root 5562: break;
1.1.1.6 root 5563: #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
5564: case TARGET_NR_mkdirat:
5565: if (!(p = lock_user_string(arg2)))
5566: goto efault;
5567: ret = get_errno(sys_mkdirat(arg1, p, arg3));
5568: unlock_user(p, arg2, 0);
5569: break;
5570: #endif
1.1 root 5571: case TARGET_NR_rmdir:
1.1.1.6 root 5572: if (!(p = lock_user_string(arg1)))
5573: goto efault;
1.1.1.3 root 5574: ret = get_errno(rmdir(p));
5575: unlock_user(p, arg1, 0);
1.1 root 5576: break;
5577: case TARGET_NR_dup:
5578: ret = get_errno(dup(arg1));
5579: break;
5580: case TARGET_NR_pipe:
1.1.1.10 root 5581: ret = do_pipe(cpu_env, arg1, 0, 0);
1.1 root 5582: break;
1.1.1.8 root 5583: #ifdef TARGET_NR_pipe2
5584: case TARGET_NR_pipe2:
1.1.1.10 root 5585: ret = do_pipe(cpu_env, arg1, arg2, 1);
1.1.1.8 root 5586: break;
5587: #endif
1.1 root 5588: case TARGET_NR_times:
5589: {
1.1.1.3 root 5590: struct target_tms *tmsp;
1.1 root 5591: struct tms tms;
5592: ret = get_errno(times(&tms));
1.1.1.3 root 5593: if (arg1) {
1.1.1.6 root 5594: tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
5595: if (!tmsp)
5596: goto efault;
1.1.1.13 root 5597: tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
5598: tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
5599: tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
5600: tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
1.1 root 5601: }
5602: if (!is_error(ret))
5603: ret = host_to_target_clock_t(ret);
5604: }
5605: break;
5606: #ifdef TARGET_NR_prof
5607: case TARGET_NR_prof:
5608: goto unimplemented;
5609: #endif
1.1.1.6 root 5610: #ifdef TARGET_NR_signal
1.1 root 5611: case TARGET_NR_signal:
5612: goto unimplemented;
1.1.1.6 root 5613: #endif
1.1 root 5614: case TARGET_NR_acct:
1.1.1.7 root 5615: if (arg1 == 0) {
5616: ret = get_errno(acct(NULL));
5617: } else {
5618: if (!(p = lock_user_string(arg1)))
5619: goto efault;
5620: ret = get_errno(acct(path(p)));
5621: unlock_user(p, arg1, 0);
5622: }
1.1.1.3 root 5623: break;
1.1.1.6 root 5624: #ifdef TARGET_NR_umount2 /* not on alpha */
1.1 root 5625: case TARGET_NR_umount2:
1.1.1.6 root 5626: if (!(p = lock_user_string(arg1)))
5627: goto efault;
1.1.1.3 root 5628: ret = get_errno(umount2(p, arg2));
5629: unlock_user(p, arg1, 0);
1.1 root 5630: break;
1.1.1.6 root 5631: #endif
1.1 root 5632: #ifdef TARGET_NR_lock
5633: case TARGET_NR_lock:
5634: goto unimplemented;
5635: #endif
5636: case TARGET_NR_ioctl:
5637: ret = do_ioctl(arg1, arg2, arg3);
5638: break;
5639: case TARGET_NR_fcntl:
1.1.1.6 root 5640: ret = do_fcntl(arg1, arg2, arg3);
1.1 root 5641: break;
5642: #ifdef TARGET_NR_mpx
5643: case TARGET_NR_mpx:
5644: goto unimplemented;
5645: #endif
5646: case TARGET_NR_setpgid:
5647: ret = get_errno(setpgid(arg1, arg2));
5648: break;
5649: #ifdef TARGET_NR_ulimit
5650: case TARGET_NR_ulimit:
5651: goto unimplemented;
5652: #endif
5653: #ifdef TARGET_NR_oldolduname
5654: case TARGET_NR_oldolduname:
5655: goto unimplemented;
5656: #endif
5657: case TARGET_NR_umask:
5658: ret = get_errno(umask(arg1));
5659: break;
5660: case TARGET_NR_chroot:
1.1.1.6 root 5661: if (!(p = lock_user_string(arg1)))
5662: goto efault;
1.1.1.3 root 5663: ret = get_errno(chroot(p));
5664: unlock_user(p, arg1, 0);
1.1 root 5665: break;
5666: case TARGET_NR_ustat:
5667: goto unimplemented;
5668: case TARGET_NR_dup2:
5669: ret = get_errno(dup2(arg1, arg2));
5670: break;
1.1.1.9 root 5671: #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
5672: case TARGET_NR_dup3:
5673: ret = get_errno(dup3(arg1, arg2, arg3));
5674: break;
5675: #endif
1.1.1.6 root 5676: #ifdef TARGET_NR_getppid /* not on alpha */
1.1 root 5677: case TARGET_NR_getppid:
5678: ret = get_errno(getppid());
5679: break;
1.1.1.6 root 5680: #endif
1.1 root 5681: case TARGET_NR_getpgrp:
5682: ret = get_errno(getpgrp());
5683: break;
5684: case TARGET_NR_setsid:
5685: ret = get_errno(setsid());
5686: break;
1.1.1.6 root 5687: #ifdef TARGET_NR_sigaction
1.1 root 5688: case TARGET_NR_sigaction:
5689: {
1.1.1.10 root 5690: #if defined(TARGET_ALPHA)
5691: struct target_sigaction act, oact, *pact = 0;
1.1.1.3 root 5692: struct target_old_sigaction *old_act;
5693: if (arg2) {
1.1.1.6 root 5694: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5695: goto efault;
1.1 root 5696: act._sa_handler = old_act->_sa_handler;
5697: target_siginitset(&act.sa_mask, old_act->sa_mask);
5698: act.sa_flags = old_act->sa_flags;
1.1.1.10 root 5699: act.sa_restorer = 0;
1.1.1.3 root 5700: unlock_user_struct(old_act, arg2, 0);
1.1 root 5701: pact = &act;
5702: }
5703: ret = get_errno(do_sigaction(arg1, pact, &oact));
1.1.1.3 root 5704: if (!is_error(ret) && arg3) {
1.1.1.6 root 5705: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5706: goto efault;
1.1.1.3 root 5707: old_act->_sa_handler = oact._sa_handler;
5708: old_act->sa_mask = oact.sa_mask.sig[0];
5709: old_act->sa_flags = oact.sa_flags;
5710: unlock_user_struct(old_act, arg3, 1);
1.1 root 5711: }
1.1.1.10 root 5712: #elif defined(TARGET_MIPS)
1.1.1.4 root 5713: struct target_sigaction act, oact, *pact, *old_act;
5714:
5715: if (arg2) {
1.1.1.6 root 5716: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5717: goto efault;
1.1.1.4 root 5718: act._sa_handler = old_act->_sa_handler;
5719: target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
5720: act.sa_flags = old_act->sa_flags;
5721: unlock_user_struct(old_act, arg2, 0);
5722: pact = &act;
5723: } else {
5724: pact = NULL;
5725: }
5726:
5727: ret = get_errno(do_sigaction(arg1, pact, &oact));
5728:
5729: if (!is_error(ret) && arg3) {
1.1.1.6 root 5730: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5731: goto efault;
1.1.1.4 root 5732: old_act->_sa_handler = oact._sa_handler;
5733: old_act->sa_flags = oact.sa_flags;
5734: old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
5735: old_act->sa_mask.sig[1] = 0;
5736: old_act->sa_mask.sig[2] = 0;
5737: old_act->sa_mask.sig[3] = 0;
5738: unlock_user_struct(old_act, arg3, 1);
5739: }
1.1.1.10 root 5740: #else
5741: struct target_old_sigaction *old_act;
5742: struct target_sigaction act, oact, *pact;
5743: if (arg2) {
5744: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5745: goto efault;
5746: act._sa_handler = old_act->_sa_handler;
5747: target_siginitset(&act.sa_mask, old_act->sa_mask);
5748: act.sa_flags = old_act->sa_flags;
5749: act.sa_restorer = old_act->sa_restorer;
5750: unlock_user_struct(old_act, arg2, 0);
5751: pact = &act;
5752: } else {
5753: pact = NULL;
5754: }
5755: ret = get_errno(do_sigaction(arg1, pact, &oact));
5756: if (!is_error(ret) && arg3) {
5757: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5758: goto efault;
5759: old_act->_sa_handler = oact._sa_handler;
5760: old_act->sa_mask = oact.sa_mask.sig[0];
5761: old_act->sa_flags = oact.sa_flags;
5762: old_act->sa_restorer = oact.sa_restorer;
5763: unlock_user_struct(old_act, arg3, 1);
5764: }
1.1.1.6 root 5765: #endif
1.1 root 5766: }
5767: break;
1.1.1.6 root 5768: #endif
1.1 root 5769: case TARGET_NR_rt_sigaction:
1.1.1.3 root 5770: {
1.1.1.10 root 5771: #if defined(TARGET_ALPHA)
5772: struct target_sigaction act, oact, *pact = 0;
5773: struct target_rt_sigaction *rt_act;
5774: /* ??? arg4 == sizeof(sigset_t). */
5775: if (arg2) {
5776: if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
5777: goto efault;
5778: act._sa_handler = rt_act->_sa_handler;
5779: act.sa_mask = rt_act->sa_mask;
5780: act.sa_flags = rt_act->sa_flags;
5781: act.sa_restorer = arg5;
5782: unlock_user_struct(rt_act, arg2, 0);
5783: pact = &act;
5784: }
5785: ret = get_errno(do_sigaction(arg1, pact, &oact));
5786: if (!is_error(ret) && arg3) {
5787: if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
5788: goto efault;
5789: rt_act->_sa_handler = oact._sa_handler;
5790: rt_act->sa_mask = oact.sa_mask;
5791: rt_act->sa_flags = oact.sa_flags;
5792: unlock_user_struct(rt_act, arg3, 1);
5793: }
5794: #else
1.1.1.3 root 5795: struct target_sigaction *act;
5796: struct target_sigaction *oact;
5797:
1.1.1.6 root 5798: if (arg2) {
5799: if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
5800: goto efault;
5801: } else
1.1.1.3 root 5802: act = NULL;
1.1.1.6 root 5803: if (arg3) {
5804: if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
5805: ret = -TARGET_EFAULT;
5806: goto rt_sigaction_fail;
5807: }
5808: } else
1.1.1.3 root 5809: oact = NULL;
5810: ret = get_errno(do_sigaction(arg1, act, oact));
1.1.1.6 root 5811: rt_sigaction_fail:
5812: if (act)
1.1.1.3 root 5813: unlock_user_struct(act, arg2, 0);
1.1.1.6 root 5814: if (oact)
1.1.1.3 root 5815: unlock_user_struct(oact, arg3, 1);
1.1.1.10 root 5816: #endif
1.1.1.3 root 5817: }
1.1 root 5818: break;
1.1.1.6 root 5819: #ifdef TARGET_NR_sgetmask /* not on alpha */
1.1 root 5820: case TARGET_NR_sgetmask:
5821: {
5822: sigset_t cur_set;
1.1.1.6 root 5823: abi_ulong target_set;
1.1 root 5824: sigprocmask(0, NULL, &cur_set);
5825: host_to_target_old_sigset(&target_set, &cur_set);
5826: ret = target_set;
5827: }
5828: break;
1.1.1.6 root 5829: #endif
5830: #ifdef TARGET_NR_ssetmask /* not on alpha */
1.1 root 5831: case TARGET_NR_ssetmask:
5832: {
5833: sigset_t set, oset, cur_set;
1.1.1.6 root 5834: abi_ulong target_set = arg1;
1.1 root 5835: sigprocmask(0, NULL, &cur_set);
5836: target_to_host_old_sigset(&set, &target_set);
5837: sigorset(&set, &set, &cur_set);
5838: sigprocmask(SIG_SETMASK, &set, &oset);
5839: host_to_target_old_sigset(&target_set, &oset);
5840: ret = target_set;
5841: }
5842: break;
1.1.1.6 root 5843: #endif
5844: #ifdef TARGET_NR_sigprocmask
1.1 root 5845: case TARGET_NR_sigprocmask:
5846: {
1.1.1.10 root 5847: #if defined(TARGET_ALPHA)
5848: sigset_t set, oldset;
5849: abi_ulong mask;
5850: int how;
5851:
5852: switch (arg1) {
5853: case TARGET_SIG_BLOCK:
5854: how = SIG_BLOCK;
5855: break;
5856: case TARGET_SIG_UNBLOCK:
5857: how = SIG_UNBLOCK;
5858: break;
5859: case TARGET_SIG_SETMASK:
5860: how = SIG_SETMASK;
5861: break;
5862: default:
5863: ret = -TARGET_EINVAL;
5864: goto fail;
5865: }
5866: mask = arg2;
5867: target_to_host_old_sigset(&set, &mask);
5868:
5869: ret = get_errno(sigprocmask(how, &set, &oldset));
5870:
5871: if (!is_error(ret)) {
5872: host_to_target_old_sigset(&mask, &oldset);
5873: ret = mask;
5874: ((CPUAlphaState *)cpu_env)->[IR_V0] = 0; /* force no error */
5875: }
5876: #else
1.1 root 5877: sigset_t set, oldset, *set_ptr;
1.1.1.10 root 5878: int how;
1.1.1.6 root 5879:
1.1.1.3 root 5880: if (arg2) {
1.1.1.10 root 5881: switch (arg1) {
1.1 root 5882: case TARGET_SIG_BLOCK:
5883: how = SIG_BLOCK;
5884: break;
5885: case TARGET_SIG_UNBLOCK:
5886: how = SIG_UNBLOCK;
5887: break;
5888: case TARGET_SIG_SETMASK:
5889: how = SIG_SETMASK;
5890: break;
5891: default:
1.1.1.6 root 5892: ret = -TARGET_EINVAL;
1.1 root 5893: goto fail;
5894: }
1.1.1.6 root 5895: if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
5896: goto efault;
1.1.1.3 root 5897: target_to_host_old_sigset(&set, p);
5898: unlock_user(p, arg2, 0);
1.1 root 5899: set_ptr = &set;
5900: } else {
5901: how = 0;
5902: set_ptr = NULL;
5903: }
1.1.1.10 root 5904: ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1.1.1.3 root 5905: if (!is_error(ret) && arg3) {
1.1.1.6 root 5906: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
5907: goto efault;
1.1.1.3 root 5908: host_to_target_old_sigset(p, &oldset);
5909: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 5910: }
1.1.1.10 root 5911: #endif
1.1 root 5912: }
5913: break;
1.1.1.6 root 5914: #endif
1.1 root 5915: case TARGET_NR_rt_sigprocmask:
5916: {
5917: int how = arg1;
5918: sigset_t set, oldset, *set_ptr;
1.1.1.6 root 5919:
1.1.1.3 root 5920: if (arg2) {
1.1 root 5921: switch(how) {
5922: case TARGET_SIG_BLOCK:
5923: how = SIG_BLOCK;
5924: break;
5925: case TARGET_SIG_UNBLOCK:
5926: how = SIG_UNBLOCK;
5927: break;
5928: case TARGET_SIG_SETMASK:
5929: how = SIG_SETMASK;
5930: break;
5931: default:
1.1.1.6 root 5932: ret = -TARGET_EINVAL;
1.1 root 5933: goto fail;
5934: }
1.1.1.6 root 5935: if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
5936: goto efault;
1.1.1.3 root 5937: target_to_host_sigset(&set, p);
5938: unlock_user(p, arg2, 0);
1.1 root 5939: set_ptr = &set;
5940: } else {
5941: how = 0;
5942: set_ptr = NULL;
5943: }
5944: ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1.1.1.3 root 5945: if (!is_error(ret) && arg3) {
1.1.1.6 root 5946: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
5947: goto efault;
1.1.1.3 root 5948: host_to_target_sigset(p, &oldset);
5949: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 5950: }
5951: }
5952: break;
1.1.1.6 root 5953: #ifdef TARGET_NR_sigpending
1.1 root 5954: case TARGET_NR_sigpending:
5955: {
5956: sigset_t set;
5957: ret = get_errno(sigpending(&set));
5958: if (!is_error(ret)) {
1.1.1.6 root 5959: if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
5960: goto efault;
1.1.1.3 root 5961: host_to_target_old_sigset(p, &set);
5962: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 5963: }
5964: }
5965: break;
1.1.1.6 root 5966: #endif
1.1 root 5967: case TARGET_NR_rt_sigpending:
5968: {
5969: sigset_t set;
5970: ret = get_errno(sigpending(&set));
5971: if (!is_error(ret)) {
1.1.1.6 root 5972: if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
5973: goto efault;
1.1.1.3 root 5974: host_to_target_sigset(p, &set);
5975: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 5976: }
5977: }
5978: break;
1.1.1.6 root 5979: #ifdef TARGET_NR_sigsuspend
1.1 root 5980: case TARGET_NR_sigsuspend:
5981: {
5982: sigset_t set;
1.1.1.10 root 5983: #if defined(TARGET_ALPHA)
5984: abi_ulong mask = arg1;
5985: target_to_host_old_sigset(&set, &mask);
5986: #else
1.1.1.6 root 5987: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
5988: goto efault;
1.1.1.3 root 5989: target_to_host_old_sigset(&set, p);
5990: unlock_user(p, arg1, 0);
1.1.1.10 root 5991: #endif
1.1 root 5992: ret = get_errno(sigsuspend(&set));
5993: }
5994: break;
1.1.1.6 root 5995: #endif
1.1 root 5996: case TARGET_NR_rt_sigsuspend:
5997: {
5998: sigset_t set;
1.1.1.6 root 5999: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
6000: goto efault;
1.1.1.3 root 6001: target_to_host_sigset(&set, p);
6002: unlock_user(p, arg1, 0);
1.1 root 6003: ret = get_errno(sigsuspend(&set));
6004: }
6005: break;
6006: case TARGET_NR_rt_sigtimedwait:
6007: {
6008: sigset_t set;
6009: struct timespec uts, *puts;
6010: siginfo_t uinfo;
1.1.1.6 root 6011:
6012: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
6013: goto efault;
1.1.1.3 root 6014: target_to_host_sigset(&set, p);
6015: unlock_user(p, arg1, 0);
6016: if (arg3) {
1.1 root 6017: puts = &uts;
1.1.1.3 root 6018: target_to_host_timespec(puts, arg3);
1.1 root 6019: } else {
6020: puts = NULL;
6021: }
6022: ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1.1.1.3 root 6023: if (!is_error(ret) && arg2) {
1.1.1.7 root 6024: if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
1.1.1.6 root 6025: goto efault;
1.1.1.3 root 6026: host_to_target_siginfo(p, &uinfo);
1.1.1.7 root 6027: unlock_user(p, arg2, sizeof(target_siginfo_t));
1.1 root 6028: }
6029: }
6030: break;
6031: case TARGET_NR_rt_sigqueueinfo:
6032: {
6033: siginfo_t uinfo;
1.1.1.6 root 6034: if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
6035: goto efault;
1.1.1.3 root 6036: target_to_host_siginfo(&uinfo, p);
6037: unlock_user(p, arg1, 0);
1.1 root 6038: ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
6039: }
6040: break;
1.1.1.6 root 6041: #ifdef TARGET_NR_sigreturn
1.1 root 6042: case TARGET_NR_sigreturn:
6043: /* NOTE: ret is eax, so not transcoding must be done */
6044: ret = do_sigreturn(cpu_env);
6045: break;
1.1.1.6 root 6046: #endif
1.1 root 6047: case TARGET_NR_rt_sigreturn:
6048: /* NOTE: ret is eax, so not transcoding must be done */
6049: ret = do_rt_sigreturn(cpu_env);
6050: break;
6051: case TARGET_NR_sethostname:
1.1.1.6 root 6052: if (!(p = lock_user_string(arg1)))
6053: goto efault;
1.1.1.3 root 6054: ret = get_errno(sethostname(p, arg2));
6055: unlock_user(p, arg1, 0);
1.1 root 6056: break;
6057: case TARGET_NR_setrlimit:
6058: {
1.1.1.12 root 6059: int resource = target_to_host_resource(arg1);
1.1.1.3 root 6060: struct target_rlimit *target_rlim;
1.1 root 6061: struct rlimit rlim;
1.1.1.6 root 6062: if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
6063: goto efault;
1.1.1.10 root 6064: rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
6065: rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
1.1.1.3 root 6066: unlock_user_struct(target_rlim, arg2, 0);
1.1 root 6067: ret = get_errno(setrlimit(resource, &rlim));
6068: }
6069: break;
6070: case TARGET_NR_getrlimit:
6071: {
1.1.1.12 root 6072: int resource = target_to_host_resource(arg1);
1.1.1.3 root 6073: struct target_rlimit *target_rlim;
1.1 root 6074: struct rlimit rlim;
1.1.1.6 root 6075:
1.1 root 6076: ret = get_errno(getrlimit(resource, &rlim));
6077: if (!is_error(ret)) {
1.1.1.6 root 6078: if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6079: goto efault;
1.1.1.10 root 6080: target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6081: target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
1.1.1.3 root 6082: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 6083: }
6084: }
6085: break;
6086: case TARGET_NR_getrusage:
6087: {
6088: struct rusage rusage;
6089: ret = get_errno(getrusage(arg1, &rusage));
6090: if (!is_error(ret)) {
1.1.1.3 root 6091: host_to_target_rusage(arg2, &rusage);
1.1 root 6092: }
6093: }
6094: break;
6095: case TARGET_NR_gettimeofday:
6096: {
6097: struct timeval tv;
6098: ret = get_errno(gettimeofday(&tv, NULL));
6099: if (!is_error(ret)) {
1.1.1.6 root 6100: if (copy_to_user_timeval(arg1, &tv))
6101: goto efault;
1.1 root 6102: }
6103: }
6104: break;
6105: case TARGET_NR_settimeofday:
6106: {
6107: struct timeval tv;
1.1.1.6 root 6108: if (copy_from_user_timeval(&tv, arg1))
6109: goto efault;
1.1 root 6110: ret = get_errno(settimeofday(&tv, NULL));
6111: }
6112: break;
1.1.1.12 root 6113: #if defined(TARGET_NR_select) && !defined(TARGET_S390X) && !defined(TARGET_S390)
1.1 root 6114: case TARGET_NR_select:
6115: {
1.1.1.3 root 6116: struct target_sel_arg_struct *sel;
1.1.1.6 root 6117: abi_ulong inp, outp, exp, tvp;
1.1.1.3 root 6118: long nsel;
6119:
1.1.1.6 root 6120: if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
6121: goto efault;
1.1.1.13 root 6122: nsel = tswapal(sel->n);
6123: inp = tswapal(sel->inp);
6124: outp = tswapal(sel->outp);
6125: exp = tswapal(sel->exp);
6126: tvp = tswapal(sel->tvp);
1.1.1.3 root 6127: unlock_user_struct(sel, arg1, 0);
6128: ret = do_select(nsel, inp, outp, exp, tvp);
1.1 root 6129: }
6130: break;
1.1.1.2 root 6131: #endif
1.1.1.10 root 6132: #ifdef TARGET_NR_pselect6
6133: case TARGET_NR_pselect6:
1.1.1.12 root 6134: {
6135: abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
6136: fd_set rfds, wfds, efds;
6137: fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
6138: struct timespec ts, *ts_ptr;
6139:
6140: /*
6141: * The 6th arg is actually two args smashed together,
6142: * so we cannot use the C library.
6143: */
6144: sigset_t set;
6145: struct {
6146: sigset_t *set;
6147: size_t size;
6148: } sig, *sig_ptr;
6149:
6150: abi_ulong arg_sigset, arg_sigsize, *arg7;
6151: target_sigset_t *target_sigset;
6152:
6153: n = arg1;
6154: rfd_addr = arg2;
6155: wfd_addr = arg3;
6156: efd_addr = arg4;
6157: ts_addr = arg5;
6158:
6159: ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
6160: if (ret) {
6161: goto fail;
6162: }
6163: ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
6164: if (ret) {
6165: goto fail;
6166: }
6167: ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
6168: if (ret) {
6169: goto fail;
6170: }
6171:
6172: /*
6173: * This takes a timespec, and not a timeval, so we cannot
6174: * use the do_select() helper ...
6175: */
6176: if (ts_addr) {
6177: if (target_to_host_timespec(&ts, ts_addr)) {
6178: goto efault;
6179: }
6180: ts_ptr = &ts;
6181: } else {
6182: ts_ptr = NULL;
6183: }
6184:
6185: /* Extract the two packed args for the sigset */
6186: if (arg6) {
6187: sig_ptr = &sig;
6188: sig.size = _NSIG / 8;
6189:
6190: arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
6191: if (!arg7) {
6192: goto efault;
6193: }
1.1.1.13 root 6194: arg_sigset = tswapal(arg7[0]);
6195: arg_sigsize = tswapal(arg7[1]);
1.1.1.12 root 6196: unlock_user(arg7, arg6, 0);
6197:
6198: if (arg_sigset) {
6199: sig.set = &set;
6200: if (arg_sigsize != sizeof(*target_sigset)) {
6201: /* Like the kernel, we enforce correct size sigsets */
6202: ret = -TARGET_EINVAL;
6203: goto fail;
6204: }
6205: target_sigset = lock_user(VERIFY_READ, arg_sigset,
6206: sizeof(*target_sigset), 1);
6207: if (!target_sigset) {
6208: goto efault;
6209: }
6210: target_to_host_sigset(&set, target_sigset);
6211: unlock_user(target_sigset, arg_sigset, 0);
6212: } else {
6213: sig.set = NULL;
6214: }
6215: } else {
6216: sig_ptr = NULL;
6217: }
6218:
6219: ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
6220: ts_ptr, sig_ptr));
6221:
6222: if (!is_error(ret)) {
6223: if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
6224: goto efault;
6225: if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
6226: goto efault;
6227: if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
6228: goto efault;
6229:
6230: if (ts_addr && host_to_target_timespec(ts_addr, &ts))
6231: goto efault;
6232: }
6233: }
6234: break;
1.1.1.10 root 6235: #endif
1.1 root 6236: case TARGET_NR_symlink:
1.1.1.3 root 6237: {
6238: void *p2;
6239: p = lock_user_string(arg1);
6240: p2 = lock_user_string(arg2);
1.1.1.6 root 6241: if (!p || !p2)
6242: ret = -TARGET_EFAULT;
6243: else
6244: ret = get_errno(symlink(p, p2));
1.1.1.3 root 6245: unlock_user(p2, arg2, 0);
6246: unlock_user(p, arg1, 0);
6247: }
1.1 root 6248: break;
1.1.1.6 root 6249: #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
6250: case TARGET_NR_symlinkat:
6251: {
6252: void *p2;
6253: p = lock_user_string(arg1);
6254: p2 = lock_user_string(arg3);
6255: if (!p || !p2)
6256: ret = -TARGET_EFAULT;
6257: else
6258: ret = get_errno(sys_symlinkat(p, arg2, p2));
6259: unlock_user(p2, arg3, 0);
6260: unlock_user(p, arg1, 0);
6261: }
6262: break;
6263: #endif
1.1 root 6264: #ifdef TARGET_NR_oldlstat
6265: case TARGET_NR_oldlstat:
6266: goto unimplemented;
6267: #endif
6268: case TARGET_NR_readlink:
1.1.1.3 root 6269: {
1.1.1.7 root 6270: void *p2, *temp;
1.1.1.3 root 6271: p = lock_user_string(arg1);
1.1.1.6 root 6272: p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
6273: if (!p || !p2)
6274: ret = -TARGET_EFAULT;
1.1.1.7 root 6275: else {
6276: if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
6277: char real[PATH_MAX];
6278: temp = realpath(exec_path,real);
6279: ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
6280: snprintf((char *)p2, arg3, "%s", real);
6281: }
6282: else
6283: ret = get_errno(readlink(path(p), p2, arg3));
6284: }
1.1.1.3 root 6285: unlock_user(p2, arg2, ret);
6286: unlock_user(p, arg1, 0);
6287: }
1.1 root 6288: break;
1.1.1.6 root 6289: #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
6290: case TARGET_NR_readlinkat:
6291: {
6292: void *p2;
6293: p = lock_user_string(arg2);
6294: p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
6295: if (!p || !p2)
6296: ret = -TARGET_EFAULT;
6297: else
6298: ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
6299: unlock_user(p2, arg3, ret);
6300: unlock_user(p, arg2, 0);
6301: }
6302: break;
6303: #endif
6304: #ifdef TARGET_NR_uselib
1.1 root 6305: case TARGET_NR_uselib:
6306: goto unimplemented;
1.1.1.6 root 6307: #endif
6308: #ifdef TARGET_NR_swapon
1.1 root 6309: case TARGET_NR_swapon:
1.1.1.6 root 6310: if (!(p = lock_user_string(arg1)))
6311: goto efault;
1.1.1.3 root 6312: ret = get_errno(swapon(p, arg2));
6313: unlock_user(p, arg1, 0);
1.1 root 6314: break;
1.1.1.6 root 6315: #endif
1.1 root 6316: case TARGET_NR_reboot:
1.1.1.13 root 6317: if (!(p = lock_user_string(arg4)))
6318: goto efault;
6319: ret = reboot(arg1, arg2, arg3, p);
6320: unlock_user(p, arg4, 0);
6321: break;
1.1.1.6 root 6322: #ifdef TARGET_NR_readdir
1.1 root 6323: case TARGET_NR_readdir:
6324: goto unimplemented;
1.1.1.6 root 6325: #endif
6326: #ifdef TARGET_NR_mmap
1.1 root 6327: case TARGET_NR_mmap:
1.1.1.12 root 6328: #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || \
6329: defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
6330: || defined(TARGET_S390X)
1.1 root 6331: {
1.1.1.6 root 6332: abi_ulong *v;
6333: abi_ulong v1, v2, v3, v4, v5, v6;
6334: if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
6335: goto efault;
1.1.1.13 root 6336: v1 = tswapal(v[0]);
6337: v2 = tswapal(v[1]);
6338: v3 = tswapal(v[2]);
6339: v4 = tswapal(v[3]);
6340: v5 = tswapal(v[4]);
6341: v6 = tswapal(v[5]);
1.1.1.3 root 6342: unlock_user(v, arg1, 0);
1.1.1.6 root 6343: ret = get_errno(target_mmap(v1, v2, v3,
1.1 root 6344: target_to_host_bitmask(v4, mmap_flags_tbl),
6345: v5, v6));
6346: }
6347: #else
1.1.1.6 root 6348: ret = get_errno(target_mmap(arg1, arg2, arg3,
6349: target_to_host_bitmask(arg4, mmap_flags_tbl),
1.1 root 6350: arg5,
6351: arg6));
6352: #endif
6353: break;
1.1.1.6 root 6354: #endif
1.1 root 6355: #ifdef TARGET_NR_mmap2
6356: case TARGET_NR_mmap2:
1.1.1.7 root 6357: #ifndef MMAP_SHIFT
1.1 root 6358: #define MMAP_SHIFT 12
6359: #endif
1.1.1.6 root 6360: ret = get_errno(target_mmap(arg1, arg2, arg3,
6361: target_to_host_bitmask(arg4, mmap_flags_tbl),
1.1 root 6362: arg5,
6363: arg6 << MMAP_SHIFT));
6364: break;
6365: #endif
6366: case TARGET_NR_munmap:
6367: ret = get_errno(target_munmap(arg1, arg2));
6368: break;
6369: case TARGET_NR_mprotect:
1.1.1.10 root 6370: {
1.1.1.14! root 6371: TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
1.1.1.10 root 6372: /* Special hack to detect libc making the stack executable. */
6373: if ((arg3 & PROT_GROWSDOWN)
6374: && arg1 >= ts->info->stack_limit
6375: && arg1 <= ts->info->start_stack) {
6376: arg3 &= ~PROT_GROWSDOWN;
6377: arg2 = arg2 + arg1 - ts->info->stack_limit;
6378: arg1 = ts->info->stack_limit;
6379: }
6380: }
1.1 root 6381: ret = get_errno(target_mprotect(arg1, arg2, arg3));
6382: break;
1.1.1.6 root 6383: #ifdef TARGET_NR_mremap
1.1 root 6384: case TARGET_NR_mremap:
6385: ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
6386: break;
1.1.1.6 root 6387: #endif
1.1.1.3 root 6388: /* ??? msync/mlock/munlock are broken for softmmu. */
1.1.1.6 root 6389: #ifdef TARGET_NR_msync
1.1 root 6390: case TARGET_NR_msync:
1.1.1.3 root 6391: ret = get_errno(msync(g2h(arg1), arg2, arg3));
1.1 root 6392: break;
1.1.1.6 root 6393: #endif
6394: #ifdef TARGET_NR_mlock
1.1 root 6395: case TARGET_NR_mlock:
1.1.1.3 root 6396: ret = get_errno(mlock(g2h(arg1), arg2));
1.1 root 6397: break;
1.1.1.6 root 6398: #endif
6399: #ifdef TARGET_NR_munlock
1.1 root 6400: case TARGET_NR_munlock:
1.1.1.3 root 6401: ret = get_errno(munlock(g2h(arg1), arg2));
1.1 root 6402: break;
1.1.1.6 root 6403: #endif
6404: #ifdef TARGET_NR_mlockall
1.1 root 6405: case TARGET_NR_mlockall:
6406: ret = get_errno(mlockall(arg1));
6407: break;
1.1.1.6 root 6408: #endif
6409: #ifdef TARGET_NR_munlockall
1.1 root 6410: case TARGET_NR_munlockall:
6411: ret = get_errno(munlockall());
6412: break;
1.1.1.6 root 6413: #endif
1.1 root 6414: case TARGET_NR_truncate:
1.1.1.6 root 6415: if (!(p = lock_user_string(arg1)))
6416: goto efault;
1.1.1.3 root 6417: ret = get_errno(truncate(p, arg2));
6418: unlock_user(p, arg1, 0);
1.1 root 6419: break;
6420: case TARGET_NR_ftruncate:
6421: ret = get_errno(ftruncate(arg1, arg2));
6422: break;
6423: case TARGET_NR_fchmod:
6424: ret = get_errno(fchmod(arg1, arg2));
6425: break;
1.1.1.6 root 6426: #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
6427: case TARGET_NR_fchmodat:
6428: if (!(p = lock_user_string(arg2)))
6429: goto efault;
1.1.1.8 root 6430: ret = get_errno(sys_fchmodat(arg1, p, arg3));
1.1.1.6 root 6431: unlock_user(p, arg2, 0);
6432: break;
6433: #endif
1.1 root 6434: case TARGET_NR_getpriority:
1.1.1.6 root 6435: /* libc does special remapping of the return value of
6436: * sys_getpriority() so it's just easiest to call
6437: * sys_getpriority() directly rather than through libc. */
1.1.1.9 root 6438: ret = get_errno(sys_getpriority(arg1, arg2));
1.1 root 6439: break;
6440: case TARGET_NR_setpriority:
6441: ret = get_errno(setpriority(arg1, arg2, arg3));
6442: break;
6443: #ifdef TARGET_NR_profil
6444: case TARGET_NR_profil:
6445: goto unimplemented;
6446: #endif
6447: case TARGET_NR_statfs:
1.1.1.6 root 6448: if (!(p = lock_user_string(arg1)))
6449: goto efault;
1.1.1.3 root 6450: ret = get_errno(statfs(path(p), &stfs));
6451: unlock_user(p, arg1, 0);
1.1 root 6452: convert_statfs:
6453: if (!is_error(ret)) {
1.1.1.3 root 6454: struct target_statfs *target_stfs;
1.1.1.6 root 6455:
6456: if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
6457: goto efault;
6458: __put_user(stfs.f_type, &target_stfs->f_type);
6459: __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6460: __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6461: __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6462: __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6463: __put_user(stfs.f_files, &target_stfs->f_files);
6464: __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6465: __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6466: __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6467: __put_user(stfs.f_namelen, &target_stfs->f_namelen);
1.1.1.3 root 6468: unlock_user_struct(target_stfs, arg2, 1);
1.1 root 6469: }
6470: break;
6471: case TARGET_NR_fstatfs:
1.1.1.2 root 6472: ret = get_errno(fstatfs(arg1, &stfs));
1.1 root 6473: goto convert_statfs;
1.1.1.2 root 6474: #ifdef TARGET_NR_statfs64
6475: case TARGET_NR_statfs64:
1.1.1.6 root 6476: if (!(p = lock_user_string(arg1)))
6477: goto efault;
1.1.1.3 root 6478: ret = get_errno(statfs(path(p), &stfs));
6479: unlock_user(p, arg1, 0);
1.1.1.2 root 6480: convert_statfs64:
6481: if (!is_error(ret)) {
1.1.1.3 root 6482: struct target_statfs64 *target_stfs;
1.1.1.6 root 6483:
6484: if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
6485: goto efault;
6486: __put_user(stfs.f_type, &target_stfs->f_type);
6487: __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6488: __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6489: __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6490: __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6491: __put_user(stfs.f_files, &target_stfs->f_files);
6492: __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6493: __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6494: __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6495: __put_user(stfs.f_namelen, &target_stfs->f_namelen);
6496: unlock_user_struct(target_stfs, arg3, 1);
1.1.1.2 root 6497: }
6498: break;
6499: case TARGET_NR_fstatfs64:
6500: ret = get_errno(fstatfs(arg1, &stfs));
6501: goto convert_statfs64;
6502: #endif
1.1 root 6503: #ifdef TARGET_NR_ioperm
6504: case TARGET_NR_ioperm:
6505: goto unimplemented;
6506: #endif
1.1.1.6 root 6507: #ifdef TARGET_NR_socketcall
1.1 root 6508: case TARGET_NR_socketcall:
1.1.1.3 root 6509: ret = do_socketcall(arg1, arg2);
1.1 root 6510: break;
1.1.1.6 root 6511: #endif
1.1.1.4 root 6512: #ifdef TARGET_NR_accept
6513: case TARGET_NR_accept:
1.1.1.5 root 6514: ret = do_accept(arg1, arg2, arg3);
1.1.1.4 root 6515: break;
6516: #endif
6517: #ifdef TARGET_NR_bind
6518: case TARGET_NR_bind:
6519: ret = do_bind(arg1, arg2, arg3);
6520: break;
6521: #endif
6522: #ifdef TARGET_NR_connect
6523: case TARGET_NR_connect:
6524: ret = do_connect(arg1, arg2, arg3);
6525: break;
6526: #endif
6527: #ifdef TARGET_NR_getpeername
6528: case TARGET_NR_getpeername:
1.1.1.5 root 6529: ret = do_getpeername(arg1, arg2, arg3);
1.1.1.4 root 6530: break;
6531: #endif
6532: #ifdef TARGET_NR_getsockname
6533: case TARGET_NR_getsockname:
1.1.1.5 root 6534: ret = do_getsockname(arg1, arg2, arg3);
1.1.1.4 root 6535: break;
6536: #endif
6537: #ifdef TARGET_NR_getsockopt
6538: case TARGET_NR_getsockopt:
6539: ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
6540: break;
6541: #endif
6542: #ifdef TARGET_NR_listen
6543: case TARGET_NR_listen:
1.1.1.5 root 6544: ret = get_errno(listen(arg1, arg2));
1.1.1.4 root 6545: break;
6546: #endif
6547: #ifdef TARGET_NR_recv
6548: case TARGET_NR_recv:
1.1.1.6 root 6549: ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
1.1.1.4 root 6550: break;
6551: #endif
6552: #ifdef TARGET_NR_recvfrom
6553: case TARGET_NR_recvfrom:
1.1.1.6 root 6554: ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
1.1.1.4 root 6555: break;
6556: #endif
6557: #ifdef TARGET_NR_recvmsg
6558: case TARGET_NR_recvmsg:
6559: ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
6560: break;
6561: #endif
6562: #ifdef TARGET_NR_send
6563: case TARGET_NR_send:
1.1.1.5 root 6564: ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
1.1.1.4 root 6565: break;
6566: #endif
6567: #ifdef TARGET_NR_sendmsg
6568: case TARGET_NR_sendmsg:
6569: ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
6570: break;
6571: #endif
6572: #ifdef TARGET_NR_sendto
6573: case TARGET_NR_sendto:
1.1.1.5 root 6574: ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
1.1.1.4 root 6575: break;
6576: #endif
6577: #ifdef TARGET_NR_shutdown
6578: case TARGET_NR_shutdown:
1.1.1.5 root 6579: ret = get_errno(shutdown(arg1, arg2));
1.1.1.4 root 6580: break;
6581: #endif
6582: #ifdef TARGET_NR_socket
6583: case TARGET_NR_socket:
6584: ret = do_socket(arg1, arg2, arg3);
6585: break;
6586: #endif
6587: #ifdef TARGET_NR_socketpair
6588: case TARGET_NR_socketpair:
1.1.1.5 root 6589: ret = do_socketpair(arg1, arg2, arg3, arg4);
1.1.1.4 root 6590: break;
6591: #endif
6592: #ifdef TARGET_NR_setsockopt
6593: case TARGET_NR_setsockopt:
6594: ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
6595: break;
6596: #endif
1.1.1.6 root 6597:
1.1 root 6598: case TARGET_NR_syslog:
1.1.1.6 root 6599: if (!(p = lock_user_string(arg2)))
6600: goto efault;
6601: ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
6602: unlock_user(p, arg2, 0);
6603: break;
6604:
1.1 root 6605: case TARGET_NR_setitimer:
6606: {
6607: struct itimerval value, ovalue, *pvalue;
6608:
1.1.1.3 root 6609: if (arg2) {
1.1 root 6610: pvalue = &value;
1.1.1.6 root 6611: if (copy_from_user_timeval(&pvalue->it_interval, arg2)
6612: || copy_from_user_timeval(&pvalue->it_value,
6613: arg2 + sizeof(struct target_timeval)))
6614: goto efault;
1.1 root 6615: } else {
6616: pvalue = NULL;
6617: }
6618: ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1.1.1.3 root 6619: if (!is_error(ret) && arg3) {
1.1.1.6 root 6620: if (copy_to_user_timeval(arg3,
6621: &ovalue.it_interval)
6622: || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
6623: &ovalue.it_value))
6624: goto efault;
1.1 root 6625: }
6626: }
6627: break;
6628: case TARGET_NR_getitimer:
6629: {
6630: struct itimerval value;
1.1.1.6 root 6631:
1.1 root 6632: ret = get_errno(getitimer(arg1, &value));
1.1.1.3 root 6633: if (!is_error(ret) && arg2) {
1.1.1.6 root 6634: if (copy_to_user_timeval(arg2,
6635: &value.it_interval)
6636: || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
6637: &value.it_value))
6638: goto efault;
1.1 root 6639: }
6640: }
6641: break;
6642: case TARGET_NR_stat:
1.1.1.6 root 6643: if (!(p = lock_user_string(arg1)))
6644: goto efault;
1.1.1.3 root 6645: ret = get_errno(stat(path(p), &st));
6646: unlock_user(p, arg1, 0);
1.1 root 6647: goto do_stat;
6648: case TARGET_NR_lstat:
1.1.1.6 root 6649: if (!(p = lock_user_string(arg1)))
6650: goto efault;
1.1.1.3 root 6651: ret = get_errno(lstat(path(p), &st));
6652: unlock_user(p, arg1, 0);
1.1 root 6653: goto do_stat;
6654: case TARGET_NR_fstat:
6655: {
6656: ret = get_errno(fstat(arg1, &st));
6657: do_stat:
6658: if (!is_error(ret)) {
1.1.1.3 root 6659: struct target_stat *target_st;
1.1.1.6 root 6660:
6661: if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
6662: goto efault;
1.1.1.9 root 6663: memset(target_st, 0, sizeof(*target_st));
1.1.1.6 root 6664: __put_user(st.st_dev, &target_st->st_dev);
6665: __put_user(st.st_ino, &target_st->st_ino);
6666: __put_user(st.st_mode, &target_st->st_mode);
6667: __put_user(st.st_uid, &target_st->st_uid);
6668: __put_user(st.st_gid, &target_st->st_gid);
6669: __put_user(st.st_nlink, &target_st->st_nlink);
6670: __put_user(st.st_rdev, &target_st->st_rdev);
6671: __put_user(st.st_size, &target_st->st_size);
6672: __put_user(st.st_blksize, &target_st->st_blksize);
6673: __put_user(st.st_blocks, &target_st->st_blocks);
6674: __put_user(st.st_atime, &target_st->target_st_atime);
6675: __put_user(st.st_mtime, &target_st->target_st_mtime);
6676: __put_user(st.st_ctime, &target_st->target_st_ctime);
1.1.1.3 root 6677: unlock_user_struct(target_st, arg2, 1);
1.1 root 6678: }
6679: }
6680: break;
6681: #ifdef TARGET_NR_olduname
6682: case TARGET_NR_olduname:
6683: goto unimplemented;
6684: #endif
6685: #ifdef TARGET_NR_iopl
6686: case TARGET_NR_iopl:
6687: goto unimplemented;
6688: #endif
6689: case TARGET_NR_vhangup:
6690: ret = get_errno(vhangup());
6691: break;
6692: #ifdef TARGET_NR_idle
6693: case TARGET_NR_idle:
6694: goto unimplemented;
6695: #endif
6696: #ifdef TARGET_NR_syscall
6697: case TARGET_NR_syscall:
1.1.1.12 root 6698: ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
6699: arg6, arg7, arg8, 0);
6700: break;
1.1 root 6701: #endif
6702: case TARGET_NR_wait4:
6703: {
6704: int status;
1.1.1.6 root 6705: abi_long status_ptr = arg2;
1.1 root 6706: struct rusage rusage, *rusage_ptr;
1.1.1.6 root 6707: abi_ulong target_rusage = arg4;
1.1 root 6708: if (target_rusage)
6709: rusage_ptr = &rusage;
6710: else
6711: rusage_ptr = NULL;
6712: ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
6713: if (!is_error(ret)) {
1.1.1.14! root 6714: if (status_ptr && ret) {
1.1.1.8 root 6715: status = host_to_target_waitstatus(status);
1.1.1.6 root 6716: if (put_user_s32(status, status_ptr))
6717: goto efault;
1.1 root 6718: }
1.1.1.6 root 6719: if (target_rusage)
6720: host_to_target_rusage(target_rusage, &rusage);
1.1 root 6721: }
6722: }
6723: break;
1.1.1.6 root 6724: #ifdef TARGET_NR_swapoff
1.1 root 6725: case TARGET_NR_swapoff:
1.1.1.6 root 6726: if (!(p = lock_user_string(arg1)))
6727: goto efault;
1.1.1.3 root 6728: ret = get_errno(swapoff(p));
6729: unlock_user(p, arg1, 0);
1.1 root 6730: break;
1.1.1.6 root 6731: #endif
1.1 root 6732: case TARGET_NR_sysinfo:
6733: {
1.1.1.3 root 6734: struct target_sysinfo *target_value;
1.1 root 6735: struct sysinfo value;
6736: ret = get_errno(sysinfo(&value));
1.1.1.3 root 6737: if (!is_error(ret) && arg1)
1.1 root 6738: {
1.1.1.6 root 6739: if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
6740: goto efault;
1.1 root 6741: __put_user(value.uptime, &target_value->uptime);
6742: __put_user(value.loads[0], &target_value->loads[0]);
6743: __put_user(value.loads[1], &target_value->loads[1]);
6744: __put_user(value.loads[2], &target_value->loads[2]);
6745: __put_user(value.totalram, &target_value->totalram);
6746: __put_user(value.freeram, &target_value->freeram);
6747: __put_user(value.sharedram, &target_value->sharedram);
6748: __put_user(value.bufferram, &target_value->bufferram);
6749: __put_user(value.totalswap, &target_value->totalswap);
6750: __put_user(value.freeswap, &target_value->freeswap);
6751: __put_user(value.procs, &target_value->procs);
6752: __put_user(value.totalhigh, &target_value->totalhigh);
6753: __put_user(value.freehigh, &target_value->freehigh);
6754: __put_user(value.mem_unit, &target_value->mem_unit);
1.1.1.3 root 6755: unlock_user_struct(target_value, arg1, 1);
1.1 root 6756: }
6757: }
6758: break;
1.1.1.6 root 6759: #ifdef TARGET_NR_ipc
1.1 root 6760: case TARGET_NR_ipc:
6761: ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
6762: break;
1.1.1.6 root 6763: #endif
1.1.1.8 root 6764: #ifdef TARGET_NR_semget
6765: case TARGET_NR_semget:
6766: ret = get_errno(semget(arg1, arg2, arg3));
6767: break;
6768: #endif
6769: #ifdef TARGET_NR_semop
6770: case TARGET_NR_semop:
6771: ret = get_errno(do_semop(arg1, arg2, arg3));
6772: break;
6773: #endif
6774: #ifdef TARGET_NR_semctl
6775: case TARGET_NR_semctl:
6776: ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
6777: break;
6778: #endif
1.1.1.7 root 6779: #ifdef TARGET_NR_msgctl
6780: case TARGET_NR_msgctl:
6781: ret = do_msgctl(arg1, arg2, arg3);
6782: break;
6783: #endif
6784: #ifdef TARGET_NR_msgget
6785: case TARGET_NR_msgget:
6786: ret = get_errno(msgget(arg1, arg2));
6787: break;
6788: #endif
6789: #ifdef TARGET_NR_msgrcv
6790: case TARGET_NR_msgrcv:
6791: ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
6792: break;
6793: #endif
6794: #ifdef TARGET_NR_msgsnd
6795: case TARGET_NR_msgsnd:
6796: ret = do_msgsnd(arg1, arg2, arg3, arg4);
6797: break;
6798: #endif
1.1.1.8 root 6799: #ifdef TARGET_NR_shmget
6800: case TARGET_NR_shmget:
6801: ret = get_errno(shmget(arg1, arg2, arg3));
6802: break;
6803: #endif
6804: #ifdef TARGET_NR_shmctl
6805: case TARGET_NR_shmctl:
6806: ret = do_shmctl(arg1, arg2, arg3);
6807: break;
6808: #endif
6809: #ifdef TARGET_NR_shmat
6810: case TARGET_NR_shmat:
6811: ret = do_shmat(arg1, arg2, arg3);
6812: break;
6813: #endif
6814: #ifdef TARGET_NR_shmdt
6815: case TARGET_NR_shmdt:
6816: ret = do_shmdt(arg1);
6817: break;
6818: #endif
1.1 root 6819: case TARGET_NR_fsync:
6820: ret = get_errno(fsync(arg1));
6821: break;
6822: case TARGET_NR_clone:
1.1.1.10 root 6823: #if defined(TARGET_SH4) || defined(TARGET_ALPHA)
1.1.1.7 root 6824: ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
6825: #elif defined(TARGET_CRIS)
6826: ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
1.1.1.12 root 6827: #elif defined(TARGET_S390X)
6828: ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
1.1.1.7 root 6829: #else
6830: ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
6831: #endif
1.1 root 6832: break;
6833: #ifdef __NR_exit_group
6834: /* new thread calls */
6835: case TARGET_NR_exit_group:
1.1.1.9 root 6836: #ifdef TARGET_GPROF
1.1.1.7 root 6837: _mcleanup();
6838: #endif
1.1 root 6839: gdb_exit(cpu_env, arg1);
6840: ret = get_errno(exit_group(arg1));
6841: break;
6842: #endif
6843: case TARGET_NR_setdomainname:
1.1.1.6 root 6844: if (!(p = lock_user_string(arg1)))
6845: goto efault;
1.1.1.3 root 6846: ret = get_errno(setdomainname(p, arg2));
6847: unlock_user(p, arg1, 0);
1.1 root 6848: break;
6849: case TARGET_NR_uname:
6850: /* no need to transcode because we use the linux syscall */
6851: {
6852: struct new_utsname * buf;
1.1.1.6 root 6853:
6854: if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
6855: goto efault;
1.1 root 6856: ret = get_errno(sys_uname(buf));
6857: if (!is_error(ret)) {
6858: /* Overrite the native machine name with whatever is being
6859: emulated. */
1.1.1.10 root 6860: strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
1.1.1.4 root 6861: /* Allow the user to override the reported release. */
6862: if (qemu_uname_release && *qemu_uname_release)
6863: strcpy (buf->release, qemu_uname_release);
1.1 root 6864: }
1.1.1.3 root 6865: unlock_user_struct(buf, arg1, 1);
1.1 root 6866: }
6867: break;
6868: #ifdef TARGET_I386
6869: case TARGET_NR_modify_ldt:
1.1.1.6 root 6870: ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
1.1 root 6871: break;
1.1.1.6 root 6872: #if !defined(TARGET_X86_64)
1.1 root 6873: case TARGET_NR_vm86old:
6874: goto unimplemented;
6875: case TARGET_NR_vm86:
1.1.1.3 root 6876: ret = do_vm86(cpu_env, arg1, arg2);
1.1 root 6877: break;
6878: #endif
1.1.1.6 root 6879: #endif
1.1 root 6880: case TARGET_NR_adjtimex:
6881: goto unimplemented;
1.1.1.6 root 6882: #ifdef TARGET_NR_create_module
1.1 root 6883: case TARGET_NR_create_module:
1.1.1.6 root 6884: #endif
1.1 root 6885: case TARGET_NR_init_module:
6886: case TARGET_NR_delete_module:
1.1.1.6 root 6887: #ifdef TARGET_NR_get_kernel_syms
1.1 root 6888: case TARGET_NR_get_kernel_syms:
1.1.1.6 root 6889: #endif
1.1 root 6890: goto unimplemented;
6891: case TARGET_NR_quotactl:
6892: goto unimplemented;
6893: case TARGET_NR_getpgid:
6894: ret = get_errno(getpgid(arg1));
6895: break;
6896: case TARGET_NR_fchdir:
6897: ret = get_errno(fchdir(arg1));
6898: break;
1.1.1.6 root 6899: #ifdef TARGET_NR_bdflush /* not on x86_64 */
1.1 root 6900: case TARGET_NR_bdflush:
6901: goto unimplemented;
1.1.1.6 root 6902: #endif
6903: #ifdef TARGET_NR_sysfs
1.1 root 6904: case TARGET_NR_sysfs:
6905: goto unimplemented;
1.1.1.6 root 6906: #endif
1.1 root 6907: case TARGET_NR_personality:
6908: ret = get_errno(personality(arg1));
6909: break;
1.1.1.6 root 6910: #ifdef TARGET_NR_afs_syscall
1.1 root 6911: case TARGET_NR_afs_syscall:
6912: goto unimplemented;
1.1.1.6 root 6913: #endif
6914: #ifdef TARGET_NR__llseek /* Not on alpha */
1.1 root 6915: case TARGET_NR__llseek:
6916: {
1.1.1.12 root 6917: int64_t res;
1.1.1.10 root 6918: #if !defined(__NR_llseek)
1.1.1.12 root 6919: res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
6920: if (res == -1) {
6921: ret = get_errno(res);
6922: } else {
6923: ret = 0;
6924: }
1.1 root 6925: #else
6926: ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
6927: #endif
1.1.1.12 root 6928: if ((ret == 0) && put_user_s64(res, arg4)) {
6929: goto efault;
6930: }
1.1 root 6931: }
6932: break;
1.1.1.6 root 6933: #endif
1.1 root 6934: case TARGET_NR_getdents:
1.1.1.9 root 6935: #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
1.1 root 6936: {
1.1.1.3 root 6937: struct target_dirent *target_dirp;
1.1.1.7 root 6938: struct linux_dirent *dirp;
1.1.1.6 root 6939: abi_long count = arg3;
1.1 root 6940:
6941: dirp = malloc(count);
1.1.1.6 root 6942: if (!dirp) {
6943: ret = -TARGET_ENOMEM;
6944: goto fail;
6945: }
6946:
1.1 root 6947: ret = get_errno(sys_getdents(arg1, dirp, count));
6948: if (!is_error(ret)) {
1.1.1.7 root 6949: struct linux_dirent *de;
1.1 root 6950: struct target_dirent *tde;
6951: int len = ret;
6952: int reclen, treclen;
6953: int count1, tnamelen;
6954:
6955: count1 = 0;
6956: de = dirp;
1.1.1.6 root 6957: if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6958: goto efault;
1.1 root 6959: tde = target_dirp;
6960: while (len > 0) {
6961: reclen = de->d_reclen;
1.1.1.6 root 6962: treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
1.1 root 6963: tde->d_reclen = tswap16(treclen);
1.1.1.13 root 6964: tde->d_ino = tswapal(de->d_ino);
6965: tde->d_off = tswapal(de->d_off);
1.1.1.6 root 6966: tnamelen = treclen - (2 * sizeof(abi_long) + 2);
1.1 root 6967: if (tnamelen > 256)
6968: tnamelen = 256;
6969: /* XXX: may not be correct */
1.1.1.7 root 6970: pstrcpy(tde->d_name, tnamelen, de->d_name);
6971: de = (struct linux_dirent *)((char *)de + reclen);
1.1 root 6972: len -= reclen;
1.1.1.6 root 6973: tde = (struct target_dirent *)((char *)tde + treclen);
1.1 root 6974: count1 += treclen;
6975: }
6976: ret = count1;
1.1.1.6 root 6977: unlock_user(target_dirp, arg2, ret);
1.1 root 6978: }
6979: free(dirp);
6980: }
6981: #else
6982: {
1.1.1.7 root 6983: struct linux_dirent *dirp;
1.1.1.6 root 6984: abi_long count = arg3;
1.1 root 6985:
1.1.1.6 root 6986: if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6987: goto efault;
1.1 root 6988: ret = get_errno(sys_getdents(arg1, dirp, count));
6989: if (!is_error(ret)) {
1.1.1.7 root 6990: struct linux_dirent *de;
1.1 root 6991: int len = ret;
6992: int reclen;
6993: de = dirp;
6994: while (len > 0) {
6995: reclen = de->d_reclen;
6996: if (reclen > len)
6997: break;
6998: de->d_reclen = tswap16(reclen);
6999: tswapls(&de->d_ino);
7000: tswapls(&de->d_off);
1.1.1.7 root 7001: de = (struct linux_dirent *)((char *)de + reclen);
1.1 root 7002: len -= reclen;
7003: }
7004: }
1.1.1.3 root 7005: unlock_user(dirp, arg2, ret);
1.1 root 7006: }
7007: #endif
7008: break;
1.1.1.6 root 7009: #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
1.1 root 7010: case TARGET_NR_getdents64:
7011: {
1.1.1.7 root 7012: struct linux_dirent64 *dirp;
1.1.1.6 root 7013: abi_long count = arg3;
7014: if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7015: goto efault;
1.1 root 7016: ret = get_errno(sys_getdents64(arg1, dirp, count));
7017: if (!is_error(ret)) {
1.1.1.7 root 7018: struct linux_dirent64 *de;
1.1 root 7019: int len = ret;
7020: int reclen;
7021: de = dirp;
7022: while (len > 0) {
7023: reclen = de->d_reclen;
7024: if (reclen > len)
7025: break;
7026: de->d_reclen = tswap16(reclen);
1.1.1.6 root 7027: tswap64s((uint64_t *)&de->d_ino);
7028: tswap64s((uint64_t *)&de->d_off);
1.1.1.7 root 7029: de = (struct linux_dirent64 *)((char *)de + reclen);
1.1 root 7030: len -= reclen;
7031: }
7032: }
1.1.1.3 root 7033: unlock_user(dirp, arg2, ret);
1.1 root 7034: }
7035: break;
7036: #endif /* TARGET_NR_getdents64 */
1.1.1.12 root 7037: #if defined(TARGET_NR__newselect) || defined(TARGET_S390X)
7038: #ifdef TARGET_S390X
7039: case TARGET_NR_select:
7040: #else
1.1 root 7041: case TARGET_NR__newselect:
1.1.1.12 root 7042: #endif
1.1.1.3 root 7043: ret = do_select(arg1, arg2, arg3, arg4, arg5);
1.1 root 7044: break;
1.1.1.6 root 7045: #endif
1.1.1.12 root 7046: #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
7047: # ifdef TARGET_NR_poll
1.1 root 7048: case TARGET_NR_poll:
1.1.1.12 root 7049: # endif
7050: # ifdef TARGET_NR_ppoll
7051: case TARGET_NR_ppoll:
7052: # endif
1.1 root 7053: {
1.1.1.3 root 7054: struct target_pollfd *target_pfd;
1.1 root 7055: unsigned int nfds = arg2;
7056: int timeout = arg3;
7057: struct pollfd *pfd;
7058: unsigned int i;
7059:
1.1.1.6 root 7060: target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
7061: if (!target_pfd)
7062: goto efault;
1.1.1.12 root 7063:
1.1 root 7064: pfd = alloca(sizeof(struct pollfd) * nfds);
7065: for(i = 0; i < nfds; i++) {
7066: pfd[i].fd = tswap32(target_pfd[i].fd);
7067: pfd[i].events = tswap16(target_pfd[i].events);
7068: }
1.1.1.12 root 7069:
7070: # ifdef TARGET_NR_ppoll
7071: if (num == TARGET_NR_ppoll) {
7072: struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
7073: target_sigset_t *target_set;
7074: sigset_t _set, *set = &_set;
7075:
7076: if (arg3) {
7077: if (target_to_host_timespec(timeout_ts, arg3)) {
7078: unlock_user(target_pfd, arg1, 0);
7079: goto efault;
7080: }
7081: } else {
7082: timeout_ts = NULL;
7083: }
7084:
7085: if (arg4) {
7086: target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
7087: if (!target_set) {
7088: unlock_user(target_pfd, arg1, 0);
7089: goto efault;
7090: }
7091: target_to_host_sigset(set, target_set);
7092: } else {
7093: set = NULL;
7094: }
7095:
7096: ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
7097:
7098: if (!is_error(ret) && arg3) {
7099: host_to_target_timespec(arg3, timeout_ts);
7100: }
7101: if (arg4) {
7102: unlock_user(target_set, arg4, 0);
7103: }
7104: } else
7105: # endif
7106: ret = get_errno(poll(pfd, nfds, timeout));
7107:
1.1 root 7108: if (!is_error(ret)) {
7109: for(i = 0; i < nfds; i++) {
7110: target_pfd[i].revents = tswap16(pfd[i].revents);
7111: }
7112: }
1.1.1.12 root 7113: unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
1.1 root 7114: }
7115: break;
1.1.1.6 root 7116: #endif
1.1 root 7117: case TARGET_NR_flock:
7118: /* NOTE: the flock constant seems to be the same for every
7119: Linux platform */
7120: ret = get_errno(flock(arg1, arg2));
7121: break;
7122: case TARGET_NR_readv:
7123: {
7124: int count = arg3;
7125: struct iovec *vec;
7126:
7127: vec = alloca(count * sizeof(struct iovec));
1.1.1.7 root 7128: if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
7129: goto efault;
1.1 root 7130: ret = get_errno(readv(arg1, vec, count));
1.1.1.3 root 7131: unlock_iovec(vec, arg2, count, 1);
1.1 root 7132: }
7133: break;
7134: case TARGET_NR_writev:
7135: {
7136: int count = arg3;
7137: struct iovec *vec;
7138:
7139: vec = alloca(count * sizeof(struct iovec));
1.1.1.7 root 7140: if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
7141: goto efault;
1.1 root 7142: ret = get_errno(writev(arg1, vec, count));
1.1.1.3 root 7143: unlock_iovec(vec, arg2, count, 0);
1.1 root 7144: }
7145: break;
7146: case TARGET_NR_getsid:
7147: ret = get_errno(getsid(arg1));
7148: break;
1.1.1.6 root 7149: #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
1.1 root 7150: case TARGET_NR_fdatasync:
7151: ret = get_errno(fdatasync(arg1));
7152: break;
1.1.1.6 root 7153: #endif
1.1 root 7154: case TARGET_NR__sysctl:
1.1.1.6 root 7155: /* We don't implement this, but ENOTDIR is always a safe
1.1 root 7156: return value. */
1.1.1.6 root 7157: ret = -TARGET_ENOTDIR;
7158: break;
1.1.1.12 root 7159: case TARGET_NR_sched_getaffinity:
7160: {
7161: unsigned int mask_size;
7162: unsigned long *mask;
7163:
7164: /*
7165: * sched_getaffinity needs multiples of ulong, so need to take
7166: * care of mismatches between target ulong and host ulong sizes.
7167: */
7168: if (arg2 & (sizeof(abi_ulong) - 1)) {
7169: ret = -TARGET_EINVAL;
7170: break;
7171: }
7172: mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7173:
7174: mask = alloca(mask_size);
7175: ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
7176:
7177: if (!is_error(ret)) {
7178: if (copy_to_user(arg3, mask, ret)) {
7179: goto efault;
7180: }
7181: }
7182: }
7183: break;
7184: case TARGET_NR_sched_setaffinity:
7185: {
7186: unsigned int mask_size;
7187: unsigned long *mask;
7188:
7189: /*
7190: * sched_setaffinity needs multiples of ulong, so need to take
7191: * care of mismatches between target ulong and host ulong sizes.
7192: */
7193: if (arg2 & (sizeof(abi_ulong) - 1)) {
7194: ret = -TARGET_EINVAL;
7195: break;
7196: }
7197: mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7198:
7199: mask = alloca(mask_size);
7200: if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
7201: goto efault;
7202: }
7203: memcpy(mask, p, arg2);
7204: unlock_user_struct(p, arg2, 0);
7205:
7206: ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
7207: }
7208: break;
1.1 root 7209: case TARGET_NR_sched_setparam:
7210: {
1.1.1.3 root 7211: struct sched_param *target_schp;
1.1 root 7212: struct sched_param schp;
1.1.1.3 root 7213:
1.1.1.6 root 7214: if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
7215: goto efault;
1.1 root 7216: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 7217: unlock_user_struct(target_schp, arg2, 0);
1.1 root 7218: ret = get_errno(sched_setparam(arg1, &schp));
7219: }
7220: break;
7221: case TARGET_NR_sched_getparam:
7222: {
1.1.1.3 root 7223: struct sched_param *target_schp;
1.1 root 7224: struct sched_param schp;
7225: ret = get_errno(sched_getparam(arg1, &schp));
7226: if (!is_error(ret)) {
1.1.1.6 root 7227: if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
7228: goto efault;
1.1 root 7229: target_schp->sched_priority = tswap32(schp.sched_priority);
1.1.1.3 root 7230: unlock_user_struct(target_schp, arg2, 1);
1.1 root 7231: }
7232: }
7233: break;
7234: case TARGET_NR_sched_setscheduler:
7235: {
1.1.1.3 root 7236: struct sched_param *target_schp;
1.1 root 7237: struct sched_param schp;
1.1.1.6 root 7238: if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
7239: goto efault;
1.1 root 7240: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 7241: unlock_user_struct(target_schp, arg3, 0);
1.1 root 7242: ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
7243: }
7244: break;
7245: case TARGET_NR_sched_getscheduler:
7246: ret = get_errno(sched_getscheduler(arg1));
7247: break;
7248: case TARGET_NR_sched_yield:
7249: ret = get_errno(sched_yield());
7250: break;
7251: case TARGET_NR_sched_get_priority_max:
7252: ret = get_errno(sched_get_priority_max(arg1));
7253: break;
7254: case TARGET_NR_sched_get_priority_min:
7255: ret = get_errno(sched_get_priority_min(arg1));
7256: break;
7257: case TARGET_NR_sched_rr_get_interval:
7258: {
7259: struct timespec ts;
7260: ret = get_errno(sched_rr_get_interval(arg1, &ts));
7261: if (!is_error(ret)) {
1.1.1.3 root 7262: host_to_target_timespec(arg2, &ts);
1.1 root 7263: }
7264: }
7265: break;
7266: case TARGET_NR_nanosleep:
7267: {
7268: struct timespec req, rem;
1.1.1.3 root 7269: target_to_host_timespec(&req, arg1);
1.1 root 7270: ret = get_errno(nanosleep(&req, &rem));
1.1.1.3 root 7271: if (is_error(ret) && arg2) {
7272: host_to_target_timespec(arg2, &rem);
1.1 root 7273: }
7274: }
7275: break;
1.1.1.6 root 7276: #ifdef TARGET_NR_query_module
1.1 root 7277: case TARGET_NR_query_module:
7278: goto unimplemented;
1.1.1.6 root 7279: #endif
7280: #ifdef TARGET_NR_nfsservctl
1.1 root 7281: case TARGET_NR_nfsservctl:
7282: goto unimplemented;
1.1.1.6 root 7283: #endif
1.1 root 7284: case TARGET_NR_prctl:
1.1.1.14! root 7285: switch (arg1) {
! 7286: case PR_GET_PDEATHSIG:
! 7287: {
! 7288: int deathsig;
! 7289: ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
! 7290: if (!is_error(ret) && arg2
! 7291: && put_user_ual(deathsig, arg2)) {
! 7292: goto efault;
! 7293: }
! 7294: break;
! 7295: }
! 7296: #ifdef PR_GET_NAME
! 7297: case PR_GET_NAME:
! 7298: {
! 7299: void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
! 7300: if (!name) {
! 7301: goto efault;
! 7302: }
! 7303: ret = get_errno(prctl(arg1, (unsigned long)name,
! 7304: arg3, arg4, arg5));
! 7305: unlock_user(name, arg2, 16);
! 7306: break;
! 7307: }
! 7308: case PR_SET_NAME:
! 7309: {
! 7310: void *name = lock_user(VERIFY_READ, arg2, 16, 1);
! 7311: if (!name) {
! 7312: goto efault;
1.1.1.6 root 7313: }
1.1.1.14! root 7314: ret = get_errno(prctl(arg1, (unsigned long)name,
! 7315: arg3, arg4, arg5));
! 7316: unlock_user(name, arg2, 0);
! 7317: break;
! 7318: }
! 7319: #endif
! 7320: default:
! 7321: /* Most prctl options have no pointer arguments */
! 7322: ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
! 7323: break;
! 7324: }
1.1.1.6 root 7325: break;
7326: #ifdef TARGET_NR_arch_prctl
7327: case TARGET_NR_arch_prctl:
7328: #if defined(TARGET_I386) && !defined(TARGET_ABI32)
7329: ret = do_arch_prctl(cpu_env, arg1, arg2);
7330: break;
7331: #else
1.1 root 7332: goto unimplemented;
1.1.1.6 root 7333: #endif
7334: #endif
1.1 root 7335: #ifdef TARGET_NR_pread
7336: case TARGET_NR_pread:
1.1.1.12 root 7337: if (regpairs_aligned(cpu_env))
1.1.1.7 root 7338: arg4 = arg5;
1.1.1.6 root 7339: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7340: goto efault;
1.1.1.3 root 7341: ret = get_errno(pread(arg1, p, arg3, arg4));
7342: unlock_user(p, arg2, ret);
1.1 root 7343: break;
7344: case TARGET_NR_pwrite:
1.1.1.12 root 7345: if (regpairs_aligned(cpu_env))
1.1.1.7 root 7346: arg4 = arg5;
1.1.1.6 root 7347: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7348: goto efault;
1.1.1.3 root 7349: ret = get_errno(pwrite(arg1, p, arg3, arg4));
7350: unlock_user(p, arg2, 0);
1.1 root 7351: break;
7352: #endif
1.1.1.7 root 7353: #ifdef TARGET_NR_pread64
7354: case TARGET_NR_pread64:
7355: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7356: goto efault;
7357: ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
7358: unlock_user(p, arg2, ret);
7359: break;
7360: case TARGET_NR_pwrite64:
7361: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7362: goto efault;
7363: ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
7364: unlock_user(p, arg2, 0);
7365: break;
7366: #endif
1.1 root 7367: case TARGET_NR_getcwd:
1.1.1.6 root 7368: if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
7369: goto efault;
1.1.1.3 root 7370: ret = get_errno(sys_getcwd1(p, arg2));
7371: unlock_user(p, arg1, ret);
1.1 root 7372: break;
7373: case TARGET_NR_capget:
7374: goto unimplemented;
7375: case TARGET_NR_capset:
7376: goto unimplemented;
7377: case TARGET_NR_sigaltstack:
1.1.1.6 root 7378: #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
1.1.1.9 root 7379: defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
1.1.1.12 root 7380: defined(TARGET_M68K) || defined(TARGET_S390X)
1.1.1.14! root 7381: ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env));
1.1.1.6 root 7382: break;
7383: #else
1.1 root 7384: goto unimplemented;
1.1.1.6 root 7385: #endif
1.1 root 7386: case TARGET_NR_sendfile:
7387: goto unimplemented;
7388: #ifdef TARGET_NR_getpmsg
7389: case TARGET_NR_getpmsg:
7390: goto unimplemented;
7391: #endif
7392: #ifdef TARGET_NR_putpmsg
7393: case TARGET_NR_putpmsg:
7394: goto unimplemented;
7395: #endif
1.1.1.2 root 7396: #ifdef TARGET_NR_vfork
1.1 root 7397: case TARGET_NR_vfork:
1.1.1.7 root 7398: ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
7399: 0, 0, 0, 0));
1.1 root 7400: break;
1.1.1.2 root 7401: #endif
1.1 root 7402: #ifdef TARGET_NR_ugetrlimit
7403: case TARGET_NR_ugetrlimit:
7404: {
7405: struct rlimit rlim;
1.1.1.12 root 7406: int resource = target_to_host_resource(arg1);
7407: ret = get_errno(getrlimit(resource, &rlim));
1.1 root 7408: if (!is_error(ret)) {
1.1.1.3 root 7409: struct target_rlimit *target_rlim;
1.1.1.6 root 7410: if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
7411: goto efault;
1.1.1.10 root 7412: target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
7413: target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
1.1.1.3 root 7414: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 7415: }
7416: break;
7417: }
7418: #endif
7419: #ifdef TARGET_NR_truncate64
7420: case TARGET_NR_truncate64:
1.1.1.6 root 7421: if (!(p = lock_user_string(arg1)))
7422: goto efault;
1.1.1.3 root 7423: ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
7424: unlock_user(p, arg1, 0);
1.1 root 7425: break;
7426: #endif
7427: #ifdef TARGET_NR_ftruncate64
7428: case TARGET_NR_ftruncate64:
1.1.1.3 root 7429: ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
1.1 root 7430: break;
7431: #endif
7432: #ifdef TARGET_NR_stat64
7433: case TARGET_NR_stat64:
1.1.1.6 root 7434: if (!(p = lock_user_string(arg1)))
7435: goto efault;
1.1.1.3 root 7436: ret = get_errno(stat(path(p), &st));
7437: unlock_user(p, arg1, 0);
1.1.1.7 root 7438: if (!is_error(ret))
7439: ret = host_to_target_stat64(cpu_env, arg2, &st);
7440: break;
1.1 root 7441: #endif
7442: #ifdef TARGET_NR_lstat64
7443: case TARGET_NR_lstat64:
1.1.1.6 root 7444: if (!(p = lock_user_string(arg1)))
7445: goto efault;
1.1.1.3 root 7446: ret = get_errno(lstat(path(p), &st));
7447: unlock_user(p, arg1, 0);
1.1.1.7 root 7448: if (!is_error(ret))
7449: ret = host_to_target_stat64(cpu_env, arg2, &st);
7450: break;
1.1 root 7451: #endif
7452: #ifdef TARGET_NR_fstat64
7453: case TARGET_NR_fstat64:
1.1.1.7 root 7454: ret = get_errno(fstat(arg1, &st));
7455: if (!is_error(ret))
7456: ret = host_to_target_stat64(cpu_env, arg2, &st);
7457: break;
1.1 root 7458: #endif
1.1.1.8 root 7459: #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
7460: (defined(__NR_fstatat64) || defined(__NR_newfstatat))
7461: #ifdef TARGET_NR_fstatat64
1.1.1.7 root 7462: case TARGET_NR_fstatat64:
1.1.1.8 root 7463: #endif
7464: #ifdef TARGET_NR_newfstatat
7465: case TARGET_NR_newfstatat:
7466: #endif
1.1.1.7 root 7467: if (!(p = lock_user_string(arg2)))
7468: goto efault;
1.1.1.8 root 7469: #ifdef __NR_fstatat64
1.1.1.7 root 7470: ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
1.1.1.8 root 7471: #else
7472: ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
7473: #endif
1.1.1.7 root 7474: if (!is_error(ret))
7475: ret = host_to_target_stat64(cpu_env, arg3, &st);
1.1 root 7476: break;
7477: #endif
7478: case TARGET_NR_lchown:
1.1.1.6 root 7479: if (!(p = lock_user_string(arg1)))
7480: goto efault;
1.1.1.3 root 7481: ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
7482: unlock_user(p, arg1, 0);
1.1 root 7483: break;
1.1.1.12 root 7484: #ifdef TARGET_NR_getuid
1.1 root 7485: case TARGET_NR_getuid:
7486: ret = get_errno(high2lowuid(getuid()));
7487: break;
1.1.1.12 root 7488: #endif
7489: #ifdef TARGET_NR_getgid
1.1 root 7490: case TARGET_NR_getgid:
7491: ret = get_errno(high2lowgid(getgid()));
7492: break;
1.1.1.12 root 7493: #endif
7494: #ifdef TARGET_NR_geteuid
1.1 root 7495: case TARGET_NR_geteuid:
7496: ret = get_errno(high2lowuid(geteuid()));
7497: break;
1.1.1.12 root 7498: #endif
7499: #ifdef TARGET_NR_getegid
1.1 root 7500: case TARGET_NR_getegid:
7501: ret = get_errno(high2lowgid(getegid()));
7502: break;
1.1.1.12 root 7503: #endif
1.1 root 7504: case TARGET_NR_setreuid:
7505: ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
7506: break;
7507: case TARGET_NR_setregid:
7508: ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
7509: break;
7510: case TARGET_NR_getgroups:
7511: {
7512: int gidsetsize = arg1;
1.1.1.12 root 7513: target_id *target_grouplist;
1.1 root 7514: gid_t *grouplist;
7515: int i;
7516:
7517: grouplist = alloca(gidsetsize * sizeof(gid_t));
7518: ret = get_errno(getgroups(gidsetsize, grouplist));
1.1.1.7 root 7519: if (gidsetsize == 0)
7520: break;
1.1 root 7521: if (!is_error(ret)) {
1.1.1.6 root 7522: target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
7523: if (!target_grouplist)
7524: goto efault;
1.1.1.7 root 7525: for(i = 0;i < ret; i++)
1.1.1.12 root 7526: target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
1.1.1.3 root 7527: unlock_user(target_grouplist, arg2, gidsetsize * 2);
1.1 root 7528: }
7529: }
7530: break;
7531: case TARGET_NR_setgroups:
7532: {
7533: int gidsetsize = arg1;
1.1.1.12 root 7534: target_id *target_grouplist;
1.1 root 7535: gid_t *grouplist;
7536: int i;
7537:
7538: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.6 root 7539: target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
7540: if (!target_grouplist) {
7541: ret = -TARGET_EFAULT;
7542: goto fail;
7543: }
1.1 root 7544: for(i = 0;i < gidsetsize; i++)
1.1.1.12 root 7545: grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
1.1.1.3 root 7546: unlock_user(target_grouplist, arg2, 0);
1.1 root 7547: ret = get_errno(setgroups(gidsetsize, grouplist));
7548: }
7549: break;
7550: case TARGET_NR_fchown:
7551: ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
7552: break;
1.1.1.6 root 7553: #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
7554: case TARGET_NR_fchownat:
7555: if (!(p = lock_user_string(arg2)))
7556: goto efault;
7557: ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
7558: unlock_user(p, arg2, 0);
7559: break;
7560: #endif
1.1 root 7561: #ifdef TARGET_NR_setresuid
7562: case TARGET_NR_setresuid:
1.1.1.6 root 7563: ret = get_errno(setresuid(low2highuid(arg1),
7564: low2highuid(arg2),
1.1 root 7565: low2highuid(arg3)));
7566: break;
7567: #endif
7568: #ifdef TARGET_NR_getresuid
7569: case TARGET_NR_getresuid:
7570: {
1.1.1.3 root 7571: uid_t ruid, euid, suid;
1.1 root 7572: ret = get_errno(getresuid(&ruid, &euid, &suid));
7573: if (!is_error(ret)) {
1.1.1.6 root 7574: if (put_user_u16(high2lowuid(ruid), arg1)
7575: || put_user_u16(high2lowuid(euid), arg2)
7576: || put_user_u16(high2lowuid(suid), arg3))
7577: goto efault;
1.1 root 7578: }
7579: }
7580: break;
7581: #endif
7582: #ifdef TARGET_NR_getresgid
7583: case TARGET_NR_setresgid:
1.1.1.6 root 7584: ret = get_errno(setresgid(low2highgid(arg1),
7585: low2highgid(arg2),
1.1 root 7586: low2highgid(arg3)));
7587: break;
7588: #endif
7589: #ifdef TARGET_NR_getresgid
7590: case TARGET_NR_getresgid:
7591: {
1.1.1.3 root 7592: gid_t rgid, egid, sgid;
1.1 root 7593: ret = get_errno(getresgid(&rgid, &egid, &sgid));
7594: if (!is_error(ret)) {
1.1.1.6 root 7595: if (put_user_u16(high2lowgid(rgid), arg1)
7596: || put_user_u16(high2lowgid(egid), arg2)
7597: || put_user_u16(high2lowgid(sgid), arg3))
7598: goto efault;
1.1 root 7599: }
7600: }
7601: break;
7602: #endif
7603: case TARGET_NR_chown:
1.1.1.6 root 7604: if (!(p = lock_user_string(arg1)))
7605: goto efault;
1.1.1.3 root 7606: ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
7607: unlock_user(p, arg1, 0);
1.1 root 7608: break;
7609: case TARGET_NR_setuid:
7610: ret = get_errno(setuid(low2highuid(arg1)));
7611: break;
7612: case TARGET_NR_setgid:
7613: ret = get_errno(setgid(low2highgid(arg1)));
7614: break;
7615: case TARGET_NR_setfsuid:
7616: ret = get_errno(setfsuid(arg1));
7617: break;
7618: case TARGET_NR_setfsgid:
7619: ret = get_errno(setfsgid(arg1));
7620: break;
7621:
7622: #ifdef TARGET_NR_lchown32
7623: case TARGET_NR_lchown32:
1.1.1.6 root 7624: if (!(p = lock_user_string(arg1)))
7625: goto efault;
1.1.1.3 root 7626: ret = get_errno(lchown(p, arg2, arg3));
7627: unlock_user(p, arg1, 0);
1.1 root 7628: break;
7629: #endif
7630: #ifdef TARGET_NR_getuid32
7631: case TARGET_NR_getuid32:
7632: ret = get_errno(getuid());
7633: break;
7634: #endif
1.1.1.7 root 7635:
7636: #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
7637: /* Alpha specific */
7638: case TARGET_NR_getxuid:
1.1.1.10 root 7639: {
7640: uid_t euid;
7641: euid=geteuid();
7642: ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
7643: }
1.1.1.7 root 7644: ret = get_errno(getuid());
7645: break;
7646: #endif
7647: #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
7648: /* Alpha specific */
7649: case TARGET_NR_getxgid:
1.1.1.10 root 7650: {
7651: uid_t egid;
7652: egid=getegid();
7653: ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
7654: }
1.1.1.7 root 7655: ret = get_errno(getgid());
7656: break;
7657: #endif
1.1.1.10 root 7658: #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
7659: /* Alpha specific */
7660: case TARGET_NR_osf_getsysinfo:
7661: ret = -TARGET_EOPNOTSUPP;
7662: switch (arg1) {
7663: case TARGET_GSI_IEEE_FP_CONTROL:
7664: {
7665: uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
7666:
7667: /* Copied from linux ieee_fpcr_to_swcr. */
7668: swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
7669: swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
7670: swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
7671: | SWCR_TRAP_ENABLE_DZE
7672: | SWCR_TRAP_ENABLE_OVF);
7673: swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
7674: | SWCR_TRAP_ENABLE_INE);
7675: swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
7676: swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
7677:
7678: if (put_user_u64 (swcr, arg2))
7679: goto efault;
7680: ret = 0;
7681: }
7682: break;
7683:
7684: /* case GSI_IEEE_STATE_AT_SIGNAL:
7685: -- Not implemented in linux kernel.
7686: case GSI_UACPROC:
7687: -- Retrieves current unaligned access state; not much used.
7688: case GSI_PROC_TYPE:
7689: -- Retrieves implver information; surely not used.
7690: case GSI_GET_HWRPB:
7691: -- Grabs a copy of the HWRPB; surely not used.
7692: */
7693: }
7694: break;
7695: #endif
7696: #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
7697: /* Alpha specific */
7698: case TARGET_NR_osf_setsysinfo:
7699: ret = -TARGET_EOPNOTSUPP;
7700: switch (arg1) {
7701: case TARGET_SSI_IEEE_FP_CONTROL:
7702: case TARGET_SSI_IEEE_RAISE_EXCEPTION:
7703: {
7704: uint64_t swcr, fpcr, orig_fpcr;
7705:
7706: if (get_user_u64 (swcr, arg2))
7707: goto efault;
7708: orig_fpcr = cpu_alpha_load_fpcr (cpu_env);
7709: fpcr = orig_fpcr & FPCR_DYN_MASK;
7710:
7711: /* Copied from linux ieee_swcr_to_fpcr. */
7712: fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
7713: fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
7714: fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
7715: | SWCR_TRAP_ENABLE_DZE
7716: | SWCR_TRAP_ENABLE_OVF)) << 48;
7717: fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
7718: | SWCR_TRAP_ENABLE_INE)) << 57;
7719: fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
7720: fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
7721:
7722: cpu_alpha_store_fpcr (cpu_env, fpcr);
7723: ret = 0;
7724:
7725: if (arg1 == TARGET_SSI_IEEE_RAISE_EXCEPTION) {
7726: /* Old exceptions are not signaled. */
7727: fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
7728:
7729: /* If any exceptions set by this call, and are unmasked,
7730: send a signal. */
7731: /* ??? FIXME */
7732: }
7733: }
7734: break;
7735:
7736: /* case SSI_NVPAIRS:
7737: -- Used with SSIN_UACPROC to enable unaligned accesses.
7738: case SSI_IEEE_STATE_AT_SIGNAL:
7739: case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
7740: -- Not implemented in linux kernel
7741: */
7742: }
7743: break;
7744: #endif
7745: #ifdef TARGET_NR_osf_sigprocmask
7746: /* Alpha specific. */
7747: case TARGET_NR_osf_sigprocmask:
7748: {
7749: abi_ulong mask;
1.1.1.12 root 7750: int how;
1.1.1.10 root 7751: sigset_t set, oldset;
7752:
7753: switch(arg1) {
7754: case TARGET_SIG_BLOCK:
7755: how = SIG_BLOCK;
7756: break;
7757: case TARGET_SIG_UNBLOCK:
7758: how = SIG_UNBLOCK;
7759: break;
7760: case TARGET_SIG_SETMASK:
7761: how = SIG_SETMASK;
7762: break;
7763: default:
7764: ret = -TARGET_EINVAL;
7765: goto fail;
7766: }
7767: mask = arg2;
7768: target_to_host_old_sigset(&set, &mask);
1.1.1.12 root 7769: sigprocmask(how, &set, &oldset);
1.1.1.10 root 7770: host_to_target_old_sigset(&mask, &oldset);
7771: ret = mask;
7772: }
7773: break;
7774: #endif
1.1.1.7 root 7775:
1.1 root 7776: #ifdef TARGET_NR_getgid32
7777: case TARGET_NR_getgid32:
7778: ret = get_errno(getgid());
7779: break;
7780: #endif
7781: #ifdef TARGET_NR_geteuid32
7782: case TARGET_NR_geteuid32:
7783: ret = get_errno(geteuid());
7784: break;
7785: #endif
7786: #ifdef TARGET_NR_getegid32
7787: case TARGET_NR_getegid32:
7788: ret = get_errno(getegid());
7789: break;
7790: #endif
7791: #ifdef TARGET_NR_setreuid32
7792: case TARGET_NR_setreuid32:
7793: ret = get_errno(setreuid(arg1, arg2));
7794: break;
7795: #endif
7796: #ifdef TARGET_NR_setregid32
7797: case TARGET_NR_setregid32:
7798: ret = get_errno(setregid(arg1, arg2));
7799: break;
7800: #endif
7801: #ifdef TARGET_NR_getgroups32
7802: case TARGET_NR_getgroups32:
7803: {
7804: int gidsetsize = arg1;
1.1.1.3 root 7805: uint32_t *target_grouplist;
1.1 root 7806: gid_t *grouplist;
7807: int i;
7808:
7809: grouplist = alloca(gidsetsize * sizeof(gid_t));
7810: ret = get_errno(getgroups(gidsetsize, grouplist));
1.1.1.7 root 7811: if (gidsetsize == 0)
7812: break;
1.1 root 7813: if (!is_error(ret)) {
1.1.1.6 root 7814: target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
7815: if (!target_grouplist) {
7816: ret = -TARGET_EFAULT;
7817: goto fail;
7818: }
1.1.1.7 root 7819: for(i = 0;i < ret; i++)
1.1.1.3 root 7820: target_grouplist[i] = tswap32(grouplist[i]);
7821: unlock_user(target_grouplist, arg2, gidsetsize * 4);
1.1 root 7822: }
7823: }
7824: break;
7825: #endif
7826: #ifdef TARGET_NR_setgroups32
7827: case TARGET_NR_setgroups32:
7828: {
7829: int gidsetsize = arg1;
1.1.1.3 root 7830: uint32_t *target_grouplist;
1.1 root 7831: gid_t *grouplist;
7832: int i;
1.1.1.6 root 7833:
1.1 root 7834: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.6 root 7835: target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
7836: if (!target_grouplist) {
7837: ret = -TARGET_EFAULT;
7838: goto fail;
7839: }
1.1 root 7840: for(i = 0;i < gidsetsize; i++)
1.1.1.3 root 7841: grouplist[i] = tswap32(target_grouplist[i]);
7842: unlock_user(target_grouplist, arg2, 0);
1.1 root 7843: ret = get_errno(setgroups(gidsetsize, grouplist));
7844: }
7845: break;
7846: #endif
7847: #ifdef TARGET_NR_fchown32
7848: case TARGET_NR_fchown32:
7849: ret = get_errno(fchown(arg1, arg2, arg3));
7850: break;
7851: #endif
7852: #ifdef TARGET_NR_setresuid32
7853: case TARGET_NR_setresuid32:
7854: ret = get_errno(setresuid(arg1, arg2, arg3));
7855: break;
7856: #endif
7857: #ifdef TARGET_NR_getresuid32
7858: case TARGET_NR_getresuid32:
7859: {
1.1.1.3 root 7860: uid_t ruid, euid, suid;
1.1 root 7861: ret = get_errno(getresuid(&ruid, &euid, &suid));
7862: if (!is_error(ret)) {
1.1.1.6 root 7863: if (put_user_u32(ruid, arg1)
7864: || put_user_u32(euid, arg2)
7865: || put_user_u32(suid, arg3))
7866: goto efault;
1.1 root 7867: }
7868: }
7869: break;
7870: #endif
7871: #ifdef TARGET_NR_setresgid32
7872: case TARGET_NR_setresgid32:
7873: ret = get_errno(setresgid(arg1, arg2, arg3));
7874: break;
7875: #endif
7876: #ifdef TARGET_NR_getresgid32
7877: case TARGET_NR_getresgid32:
7878: {
1.1.1.3 root 7879: gid_t rgid, egid, sgid;
1.1 root 7880: ret = get_errno(getresgid(&rgid, &egid, &sgid));
7881: if (!is_error(ret)) {
1.1.1.6 root 7882: if (put_user_u32(rgid, arg1)
7883: || put_user_u32(egid, arg2)
7884: || put_user_u32(sgid, arg3))
7885: goto efault;
1.1 root 7886: }
7887: }
7888: break;
7889: #endif
7890: #ifdef TARGET_NR_chown32
7891: case TARGET_NR_chown32:
1.1.1.6 root 7892: if (!(p = lock_user_string(arg1)))
7893: goto efault;
1.1.1.3 root 7894: ret = get_errno(chown(p, arg2, arg3));
7895: unlock_user(p, arg1, 0);
1.1 root 7896: break;
7897: #endif
7898: #ifdef TARGET_NR_setuid32
7899: case TARGET_NR_setuid32:
7900: ret = get_errno(setuid(arg1));
7901: break;
7902: #endif
7903: #ifdef TARGET_NR_setgid32
7904: case TARGET_NR_setgid32:
7905: ret = get_errno(setgid(arg1));
7906: break;
7907: #endif
7908: #ifdef TARGET_NR_setfsuid32
7909: case TARGET_NR_setfsuid32:
7910: ret = get_errno(setfsuid(arg1));
7911: break;
7912: #endif
7913: #ifdef TARGET_NR_setfsgid32
7914: case TARGET_NR_setfsgid32:
7915: ret = get_errno(setfsgid(arg1));
7916: break;
7917: #endif
7918:
7919: case TARGET_NR_pivot_root:
7920: goto unimplemented;
7921: #ifdef TARGET_NR_mincore
7922: case TARGET_NR_mincore:
1.1.1.7 root 7923: {
7924: void *a;
7925: ret = -TARGET_EFAULT;
7926: if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
7927: goto efault;
7928: if (!(p = lock_user_string(arg3)))
7929: goto mincore_fail;
7930: ret = get_errno(mincore(a, arg2, p));
7931: unlock_user(p, arg3, ret);
7932: mincore_fail:
7933: unlock_user(a, arg1, 0);
7934: }
7935: break;
7936: #endif
7937: #ifdef TARGET_NR_arm_fadvise64_64
7938: case TARGET_NR_arm_fadvise64_64:
7939: {
7940: /*
7941: * arm_fadvise64_64 looks like fadvise64_64 but
7942: * with different argument order
7943: */
7944: abi_long temp;
7945: temp = arg3;
7946: arg3 = arg4;
7947: arg4 = temp;
7948: }
7949: #endif
1.1.1.9 root 7950: #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
1.1.1.7 root 7951: #ifdef TARGET_NR_fadvise64_64
7952: case TARGET_NR_fadvise64_64:
7953: #endif
1.1.1.9 root 7954: #ifdef TARGET_NR_fadvise64
7955: case TARGET_NR_fadvise64:
7956: #endif
7957: #ifdef TARGET_S390X
7958: switch (arg4) {
7959: case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
7960: case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
7961: case 6: arg4 = POSIX_FADV_DONTNEED; break;
7962: case 7: arg4 = POSIX_FADV_NOREUSE; break;
7963: default: break;
7964: }
7965: #endif
7966: ret = -posix_fadvise(arg1, arg2, arg3, arg4);
1.1.1.7 root 7967: break;
1.1 root 7968: #endif
7969: #ifdef TARGET_NR_madvise
7970: case TARGET_NR_madvise:
1.1.1.3 root 7971: /* A straight passthrough may not be safe because qemu sometimes
7972: turns private flie-backed mappings into anonymous mappings.
7973: This will break MADV_DONTNEED.
7974: This is a hint, so ignoring and returning success is ok. */
7975: ret = get_errno(0);
7976: break;
1.1 root 7977: #endif
1.1.1.6 root 7978: #if TARGET_ABI_BITS == 32
1.1 root 7979: case TARGET_NR_fcntl64:
7980: {
1.1.1.6 root 7981: int cmd;
1.1 root 7982: struct flock64 fl;
1.1.1.3 root 7983: struct target_flock64 *target_fl;
7984: #ifdef TARGET_ARM
7985: struct target_eabi_flock64 *target_efl;
7986: #endif
1.1 root 7987:
1.1.1.8 root 7988: cmd = target_to_host_fcntl_cmd(arg2);
1.1.1.14! root 7989: if (cmd == -TARGET_EINVAL) {
! 7990: ret = cmd;
! 7991: break;
! 7992: }
1.1.1.6 root 7993:
1.1 root 7994: switch(arg2) {
1.1.1.6 root 7995: case TARGET_F_GETLK64:
7996: #ifdef TARGET_ARM
7997: if (((CPUARMState *)cpu_env)->eabi) {
7998: if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
7999: goto efault;
8000: fl.l_type = tswap16(target_efl->l_type);
8001: fl.l_whence = tswap16(target_efl->l_whence);
8002: fl.l_start = tswap64(target_efl->l_start);
8003: fl.l_len = tswap64(target_efl->l_len);
1.1.1.9 root 8004: fl.l_pid = tswap32(target_efl->l_pid);
1.1.1.6 root 8005: unlock_user_struct(target_efl, arg3, 0);
8006: } else
8007: #endif
8008: {
8009: if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8010: goto efault;
8011: fl.l_type = tswap16(target_fl->l_type);
8012: fl.l_whence = tswap16(target_fl->l_whence);
8013: fl.l_start = tswap64(target_fl->l_start);
8014: fl.l_len = tswap64(target_fl->l_len);
1.1.1.9 root 8015: fl.l_pid = tswap32(target_fl->l_pid);
1.1.1.6 root 8016: unlock_user_struct(target_fl, arg3, 0);
8017: }
8018: ret = get_errno(fcntl(arg1, cmd, &fl));
1.1 root 8019: if (ret == 0) {
1.1.1.3 root 8020: #ifdef TARGET_ARM
8021: if (((CPUARMState *)cpu_env)->eabi) {
1.1.1.6 root 8022: if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
8023: goto efault;
1.1.1.3 root 8024: target_efl->l_type = tswap16(fl.l_type);
8025: target_efl->l_whence = tswap16(fl.l_whence);
8026: target_efl->l_start = tswap64(fl.l_start);
8027: target_efl->l_len = tswap64(fl.l_len);
1.1.1.9 root 8028: target_efl->l_pid = tswap32(fl.l_pid);
1.1.1.3 root 8029: unlock_user_struct(target_efl, arg3, 1);
8030: } else
8031: #endif
8032: {
1.1.1.6 root 8033: if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
8034: goto efault;
1.1.1.3 root 8035: target_fl->l_type = tswap16(fl.l_type);
8036: target_fl->l_whence = tswap16(fl.l_whence);
8037: target_fl->l_start = tswap64(fl.l_start);
8038: target_fl->l_len = tswap64(fl.l_len);
1.1.1.9 root 8039: target_fl->l_pid = tswap32(fl.l_pid);
1.1.1.3 root 8040: unlock_user_struct(target_fl, arg3, 1);
8041: }
1.1 root 8042: }
8043: break;
8044:
1.1.1.6 root 8045: case TARGET_F_SETLK64:
8046: case TARGET_F_SETLKW64:
1.1.1.3 root 8047: #ifdef TARGET_ARM
8048: if (((CPUARMState *)cpu_env)->eabi) {
1.1.1.6 root 8049: if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8050: goto efault;
1.1.1.3 root 8051: fl.l_type = tswap16(target_efl->l_type);
8052: fl.l_whence = tswap16(target_efl->l_whence);
8053: fl.l_start = tswap64(target_efl->l_start);
8054: fl.l_len = tswap64(target_efl->l_len);
1.1.1.9 root 8055: fl.l_pid = tswap32(target_efl->l_pid);
1.1.1.3 root 8056: unlock_user_struct(target_efl, arg3, 0);
8057: } else
8058: #endif
8059: {
1.1.1.6 root 8060: if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8061: goto efault;
1.1.1.3 root 8062: fl.l_type = tswap16(target_fl->l_type);
8063: fl.l_whence = tswap16(target_fl->l_whence);
8064: fl.l_start = tswap64(target_fl->l_start);
8065: fl.l_len = tswap64(target_fl->l_len);
1.1.1.9 root 8066: fl.l_pid = tswap32(target_fl->l_pid);
1.1.1.3 root 8067: unlock_user_struct(target_fl, arg3, 0);
8068: }
1.1.1.6 root 8069: ret = get_errno(fcntl(arg1, cmd, &fl));
1.1 root 8070: break;
8071: default:
1.1.1.8 root 8072: ret = do_fcntl(arg1, arg2, arg3);
1.1 root 8073: break;
8074: }
8075: break;
8076: }
8077: #endif
1.1.1.5 root 8078: #ifdef TARGET_NR_cacheflush
8079: case TARGET_NR_cacheflush:
8080: /* self-modifying code is handled automatically, so nothing needed */
8081: ret = 0;
8082: break;
8083: #endif
1.1 root 8084: #ifdef TARGET_NR_security
8085: case TARGET_NR_security:
8086: goto unimplemented;
8087: #endif
8088: #ifdef TARGET_NR_getpagesize
8089: case TARGET_NR_getpagesize:
8090: ret = TARGET_PAGE_SIZE;
8091: break;
8092: #endif
8093: case TARGET_NR_gettid:
8094: ret = get_errno(gettid());
8095: break;
1.1.1.6 root 8096: #ifdef TARGET_NR_readahead
1.1 root 8097: case TARGET_NR_readahead:
1.1.1.7 root 8098: #if TARGET_ABI_BITS == 32
1.1.1.12 root 8099: if (regpairs_aligned(cpu_env)) {
1.1.1.7 root 8100: arg2 = arg3;
8101: arg3 = arg4;
8102: arg4 = arg5;
8103: }
8104: ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
8105: #else
8106: ret = get_errno(readahead(arg1, arg2, arg3));
8107: #endif
8108: break;
1.1.1.6 root 8109: #endif
1.1.1.13 root 8110: #ifdef CONFIG_ATTR
1.1 root 8111: #ifdef TARGET_NR_setxattr
8112: case TARGET_NR_listxattr:
8113: case TARGET_NR_llistxattr:
1.1.1.14! root 8114: {
! 8115: void *p, *b = 0;
! 8116: if (arg2) {
! 8117: b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
! 8118: if (!b) {
! 8119: ret = -TARGET_EFAULT;
! 8120: break;
! 8121: }
! 8122: }
! 8123: p = lock_user_string(arg1);
! 8124: if (p) {
! 8125: if (num == TARGET_NR_listxattr) {
! 8126: ret = get_errno(listxattr(p, b, arg3));
! 8127: } else {
! 8128: ret = get_errno(llistxattr(p, b, arg3));
! 8129: }
! 8130: } else {
! 8131: ret = -TARGET_EFAULT;
! 8132: }
! 8133: unlock_user(p, arg1, 0);
! 8134: unlock_user(b, arg2, arg3);
! 8135: break;
! 8136: }
1.1 root 8137: case TARGET_NR_flistxattr:
1.1.1.14! root 8138: {
! 8139: void *b = 0;
! 8140: if (arg2) {
! 8141: b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
! 8142: if (!b) {
! 8143: ret = -TARGET_EFAULT;
! 8144: break;
! 8145: }
! 8146: }
! 8147: ret = get_errno(flistxattr(arg1, b, arg3));
! 8148: unlock_user(b, arg2, arg3);
1.1.1.8 root 8149: break;
1.1.1.14! root 8150: }
1.1.1.13 root 8151: case TARGET_NR_setxattr:
1.1.1.14! root 8152: case TARGET_NR_lsetxattr:
1.1.1.13 root 8153: {
1.1.1.14! root 8154: void *p, *n, *v = 0;
! 8155: if (arg3) {
! 8156: v = lock_user(VERIFY_READ, arg3, arg4, 1);
! 8157: if (!v) {
! 8158: ret = -TARGET_EFAULT;
! 8159: break;
! 8160: }
! 8161: }
1.1.1.13 root 8162: p = lock_user_string(arg1);
8163: n = lock_user_string(arg2);
1.1.1.14! root 8164: if (p && n) {
! 8165: if (num == TARGET_NR_setxattr) {
! 8166: ret = get_errno(setxattr(p, n, v, arg4, arg5));
! 8167: } else {
! 8168: ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
! 8169: }
1.1.1.13 root 8170: } else {
8171: ret = -TARGET_EFAULT;
8172: }
8173: unlock_user(p, arg1, 0);
8174: unlock_user(n, arg2, 0);
8175: unlock_user(v, arg3, 0);
8176: }
8177: break;
1.1.1.14! root 8178: case TARGET_NR_fsetxattr:
! 8179: {
! 8180: void *n, *v = 0;
! 8181: if (arg3) {
! 8182: v = lock_user(VERIFY_READ, arg3, arg4, 1);
! 8183: if (!v) {
! 8184: ret = -TARGET_EFAULT;
! 8185: break;
! 8186: }
! 8187: }
! 8188: n = lock_user_string(arg2);
! 8189: if (n) {
! 8190: ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
! 8191: } else {
! 8192: ret = -TARGET_EFAULT;
! 8193: }
! 8194: unlock_user(n, arg2, 0);
! 8195: unlock_user(v, arg3, 0);
! 8196: }
! 8197: break;
1.1.1.13 root 8198: case TARGET_NR_getxattr:
1.1.1.14! root 8199: case TARGET_NR_lgetxattr:
1.1.1.13 root 8200: {
1.1.1.14! root 8201: void *p, *n, *v = 0;
! 8202: if (arg3) {
! 8203: v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
! 8204: if (!v) {
! 8205: ret = -TARGET_EFAULT;
! 8206: break;
! 8207: }
! 8208: }
1.1.1.13 root 8209: p = lock_user_string(arg1);
8210: n = lock_user_string(arg2);
1.1.1.14! root 8211: if (p && n) {
! 8212: if (num == TARGET_NR_getxattr) {
! 8213: ret = get_errno(getxattr(p, n, v, arg4));
! 8214: } else {
! 8215: ret = get_errno(lgetxattr(p, n, v, arg4));
! 8216: }
1.1.1.13 root 8217: } else {
8218: ret = -TARGET_EFAULT;
8219: }
8220: unlock_user(p, arg1, 0);
8221: unlock_user(n, arg2, 0);
8222: unlock_user(v, arg3, arg4);
8223: }
8224: break;
1.1.1.14! root 8225: case TARGET_NR_fgetxattr:
! 8226: {
! 8227: void *n, *v = 0;
! 8228: if (arg3) {
! 8229: v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
! 8230: if (!v) {
! 8231: ret = -TARGET_EFAULT;
! 8232: break;
! 8233: }
! 8234: }
! 8235: n = lock_user_string(arg2);
! 8236: if (n) {
! 8237: ret = get_errno(fgetxattr(arg1, n, v, arg4));
! 8238: } else {
! 8239: ret = -TARGET_EFAULT;
! 8240: }
! 8241: unlock_user(n, arg2, 0);
! 8242: unlock_user(v, arg3, arg4);
! 8243: }
! 8244: break;
1.1.1.13 root 8245: case TARGET_NR_removexattr:
1.1.1.14! root 8246: case TARGET_NR_lremovexattr:
1.1.1.13 root 8247: {
8248: void *p, *n;
8249: p = lock_user_string(arg1);
8250: n = lock_user_string(arg2);
8251: if (p && n) {
1.1.1.14! root 8252: if (num == TARGET_NR_removexattr) {
! 8253: ret = get_errno(removexattr(p, n));
! 8254: } else {
! 8255: ret = get_errno(lremovexattr(p, n));
! 8256: }
1.1.1.13 root 8257: } else {
8258: ret = -TARGET_EFAULT;
8259: }
8260: unlock_user(p, arg1, 0);
8261: unlock_user(n, arg2, 0);
8262: }
8263: break;
1.1.1.14! root 8264: case TARGET_NR_fremovexattr:
! 8265: {
! 8266: void *n;
! 8267: n = lock_user_string(arg2);
! 8268: if (n) {
! 8269: ret = get_errno(fremovexattr(arg1, n));
! 8270: } else {
! 8271: ret = -TARGET_EFAULT;
! 8272: }
! 8273: unlock_user(n, arg2, 0);
! 8274: }
! 8275: break;
1.1 root 8276: #endif
1.1.1.13 root 8277: #endif /* CONFIG_ATTR */
1.1 root 8278: #ifdef TARGET_NR_set_thread_area
8279: case TARGET_NR_set_thread_area:
1.1.1.6 root 8280: #if defined(TARGET_MIPS)
8281: ((CPUMIPSState *) cpu_env)->tls_value = arg1;
8282: ret = 0;
8283: break;
1.1.1.7 root 8284: #elif defined(TARGET_CRIS)
8285: if (arg1 & 0xff)
8286: ret = -TARGET_EINVAL;
8287: else {
8288: ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
8289: ret = 0;
8290: }
8291: break;
1.1.1.6 root 8292: #elif defined(TARGET_I386) && defined(TARGET_ABI32)
8293: ret = do_set_thread_area(cpu_env, arg1);
8294: break;
8295: #else
8296: goto unimplemented_nowarn;
8297: #endif
8298: #endif
8299: #ifdef TARGET_NR_get_thread_area
1.1 root 8300: case TARGET_NR_get_thread_area:
1.1.1.6 root 8301: #if defined(TARGET_I386) && defined(TARGET_ABI32)
8302: ret = do_get_thread_area(cpu_env, arg1);
8303: #else
1.1 root 8304: goto unimplemented_nowarn;
8305: #endif
1.1.1.6 root 8306: #endif
1.1.1.4 root 8307: #ifdef TARGET_NR_getdomainname
8308: case TARGET_NR_getdomainname:
8309: goto unimplemented_nowarn;
8310: #endif
1.1.1.6 root 8311:
8312: #ifdef TARGET_NR_clock_gettime
8313: case TARGET_NR_clock_gettime:
8314: {
8315: struct timespec ts;
8316: ret = get_errno(clock_gettime(arg1, &ts));
8317: if (!is_error(ret)) {
8318: host_to_target_timespec(arg2, &ts);
8319: }
8320: break;
8321: }
8322: #endif
8323: #ifdef TARGET_NR_clock_getres
8324: case TARGET_NR_clock_getres:
8325: {
8326: struct timespec ts;
8327: ret = get_errno(clock_getres(arg1, &ts));
8328: if (!is_error(ret)) {
8329: host_to_target_timespec(arg2, &ts);
8330: }
8331: break;
8332: }
8333: #endif
1.1.1.7 root 8334: #ifdef TARGET_NR_clock_nanosleep
8335: case TARGET_NR_clock_nanosleep:
8336: {
8337: struct timespec ts;
8338: target_to_host_timespec(&ts, arg3);
8339: ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
8340: if (arg4)
8341: host_to_target_timespec(arg4, &ts);
8342: break;
8343: }
8344: #endif
1.1.1.6 root 8345:
8346: #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
8347: case TARGET_NR_set_tid_address:
8348: ret = get_errno(set_tid_address((int *)g2h(arg1)));
8349: break;
8350: #endif
8351:
8352: #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
8353: case TARGET_NR_tkill:
1.1.1.7 root 8354: ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
1.1.1.6 root 8355: break;
8356: #endif
8357:
8358: #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
8359: case TARGET_NR_tgkill:
1.1.1.7 root 8360: ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
8361: target_to_host_signal(arg3)));
1.1.1.6 root 8362: break;
8363: #endif
8364:
8365: #ifdef TARGET_NR_set_robust_list
8366: case TARGET_NR_set_robust_list:
8367: goto unimplemented_nowarn;
8368: #endif
8369:
8370: #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
8371: case TARGET_NR_utimensat:
8372: {
1.1.1.8 root 8373: struct timespec *tsp, ts[2];
8374: if (!arg3) {
8375: tsp = NULL;
8376: } else {
8377: target_to_host_timespec(ts, arg3);
8378: target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
8379: tsp = ts;
8380: }
1.1.1.6 root 8381: if (!arg2)
1.1.1.8 root 8382: ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
1.1.1.6 root 8383: else {
8384: if (!(p = lock_user_string(arg2))) {
8385: ret = -TARGET_EFAULT;
8386: goto fail;
8387: }
1.1.1.8 root 8388: ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
1.1.1.6 root 8389: unlock_user(p, arg2, 0);
8390: }
8391: }
8392: break;
8393: #endif
1.1.1.9 root 8394: #if defined(CONFIG_USE_NPTL)
1.1.1.7 root 8395: case TARGET_NR_futex:
8396: ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
8397: break;
8398: #endif
1.1.1.8 root 8399: #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
1.1.1.7 root 8400: case TARGET_NR_inotify_init:
8401: ret = get_errno(sys_inotify_init());
8402: break;
8403: #endif
1.1.1.10 root 8404: #ifdef CONFIG_INOTIFY1
8405: #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
8406: case TARGET_NR_inotify_init1:
8407: ret = get_errno(sys_inotify_init1(arg1));
8408: break;
8409: #endif
8410: #endif
1.1.1.8 root 8411: #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
1.1.1.7 root 8412: case TARGET_NR_inotify_add_watch:
8413: p = lock_user_string(arg2);
8414: ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
8415: unlock_user(p, arg2, 0);
8416: break;
8417: #endif
1.1.1.8 root 8418: #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
1.1.1.7 root 8419: case TARGET_NR_inotify_rm_watch:
8420: ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
8421: break;
8422: #endif
1.1.1.6 root 8423:
1.1.1.9 root 8424: #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1.1.1.8 root 8425: case TARGET_NR_mq_open:
8426: {
8427: struct mq_attr posix_mq_attr;
8428:
8429: p = lock_user_string(arg1 - 1);
8430: if (arg4 != 0)
8431: copy_from_user_mq_attr (&posix_mq_attr, arg4);
8432: ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
8433: unlock_user (p, arg1, 0);
8434: }
8435: break;
8436:
8437: case TARGET_NR_mq_unlink:
8438: p = lock_user_string(arg1 - 1);
8439: ret = get_errno(mq_unlink(p));
8440: unlock_user (p, arg1, 0);
8441: break;
8442:
8443: case TARGET_NR_mq_timedsend:
8444: {
8445: struct timespec ts;
8446:
8447: p = lock_user (VERIFY_READ, arg2, arg3, 1);
8448: if (arg5 != 0) {
8449: target_to_host_timespec(&ts, arg5);
8450: ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
8451: host_to_target_timespec(arg5, &ts);
8452: }
8453: else
8454: ret = get_errno(mq_send(arg1, p, arg3, arg4));
8455: unlock_user (p, arg2, arg3);
8456: }
8457: break;
8458:
8459: case TARGET_NR_mq_timedreceive:
8460: {
8461: struct timespec ts;
8462: unsigned int prio;
8463:
8464: p = lock_user (VERIFY_READ, arg2, arg3, 1);
8465: if (arg5 != 0) {
8466: target_to_host_timespec(&ts, arg5);
8467: ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
8468: host_to_target_timespec(arg5, &ts);
8469: }
8470: else
8471: ret = get_errno(mq_receive(arg1, p, arg3, &prio));
8472: unlock_user (p, arg2, arg3);
8473: if (arg4 != 0)
8474: put_user_u32(prio, arg4);
8475: }
8476: break;
8477:
8478: /* Not implemented for now... */
8479: /* case TARGET_NR_mq_notify: */
8480: /* break; */
8481:
8482: case TARGET_NR_mq_getsetattr:
8483: {
8484: struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
8485: ret = 0;
8486: if (arg3 != 0) {
8487: ret = mq_getattr(arg1, &posix_mq_attr_out);
8488: copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
8489: }
8490: if (arg2 != 0) {
8491: copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
8492: ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
8493: }
8494:
8495: }
8496: break;
8497: #endif
8498:
8499: #ifdef CONFIG_SPLICE
8500: #ifdef TARGET_NR_tee
8501: case TARGET_NR_tee:
8502: {
8503: ret = get_errno(tee(arg1,arg2,arg3,arg4));
8504: }
8505: break;
8506: #endif
8507: #ifdef TARGET_NR_splice
8508: case TARGET_NR_splice:
8509: {
8510: loff_t loff_in, loff_out;
8511: loff_t *ploff_in = NULL, *ploff_out = NULL;
8512: if(arg2) {
8513: get_user_u64(loff_in, arg2);
8514: ploff_in = &loff_in;
8515: }
8516: if(arg4) {
8517: get_user_u64(loff_out, arg2);
8518: ploff_out = &loff_out;
8519: }
8520: ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
8521: }
8522: break;
8523: #endif
8524: #ifdef TARGET_NR_vmsplice
8525: case TARGET_NR_vmsplice:
8526: {
8527: int count = arg3;
8528: struct iovec *vec;
8529:
8530: vec = alloca(count * sizeof(struct iovec));
8531: if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
8532: goto efault;
8533: ret = get_errno(vmsplice(arg1, vec, count, arg4));
8534: unlock_iovec(vec, arg2, count, 0);
8535: }
8536: break;
8537: #endif
8538: #endif /* CONFIG_SPLICE */
1.1.1.9 root 8539: #ifdef CONFIG_EVENTFD
8540: #if defined(TARGET_NR_eventfd)
8541: case TARGET_NR_eventfd:
8542: ret = get_errno(eventfd(arg1, 0));
8543: break;
8544: #endif
8545: #if defined(TARGET_NR_eventfd2)
8546: case TARGET_NR_eventfd2:
8547: ret = get_errno(eventfd(arg1, arg2));
8548: break;
8549: #endif
8550: #endif /* CONFIG_EVENTFD */
8551: #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
8552: case TARGET_NR_fallocate:
1.1.1.14! root 8553: #if TARGET_ABI_BITS == 32
! 8554: ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
! 8555: target_offset64(arg5, arg6)));
! 8556: #else
1.1.1.9 root 8557: ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
1.1.1.14! root 8558: #endif
1.1.1.9 root 8559: break;
8560: #endif
1.1.1.11 root 8561: #if defined(CONFIG_SYNC_FILE_RANGE)
8562: #if defined(TARGET_NR_sync_file_range)
8563: case TARGET_NR_sync_file_range:
8564: #if TARGET_ABI_BITS == 32
1.1.1.12 root 8565: #if defined(TARGET_MIPS)
8566: ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
8567: target_offset64(arg5, arg6), arg7));
8568: #else
1.1.1.11 root 8569: ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
8570: target_offset64(arg4, arg5), arg6));
1.1.1.12 root 8571: #endif /* !TARGET_MIPS */
1.1.1.11 root 8572: #else
8573: ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
8574: #endif
8575: break;
8576: #endif
8577: #if defined(TARGET_NR_sync_file_range2)
8578: case TARGET_NR_sync_file_range2:
8579: /* This is like sync_file_range but the arguments are reordered */
8580: #if TARGET_ABI_BITS == 32
8581: ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
8582: target_offset64(arg5, arg6), arg2));
8583: #else
8584: ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
8585: #endif
8586: break;
8587: #endif
8588: #endif
1.1.1.12 root 8589: #if defined(CONFIG_EPOLL)
8590: #if defined(TARGET_NR_epoll_create)
8591: case TARGET_NR_epoll_create:
8592: ret = get_errno(epoll_create(arg1));
8593: break;
8594: #endif
8595: #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
8596: case TARGET_NR_epoll_create1:
8597: ret = get_errno(epoll_create1(arg1));
8598: break;
8599: #endif
8600: #if defined(TARGET_NR_epoll_ctl)
8601: case TARGET_NR_epoll_ctl:
8602: {
8603: struct epoll_event ep;
8604: struct epoll_event *epp = 0;
8605: if (arg4) {
8606: struct target_epoll_event *target_ep;
8607: if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
8608: goto efault;
8609: }
8610: ep.events = tswap32(target_ep->events);
8611: /* The epoll_data_t union is just opaque data to the kernel,
8612: * so we transfer all 64 bits across and need not worry what
8613: * actual data type it is.
8614: */
8615: ep.data.u64 = tswap64(target_ep->data.u64);
8616: unlock_user_struct(target_ep, arg4, 0);
8617: epp = &ep;
8618: }
8619: ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
8620: break;
8621: }
8622: #endif
8623:
8624: #if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
8625: #define IMPLEMENT_EPOLL_PWAIT
8626: #endif
8627: #if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
8628: #if defined(TARGET_NR_epoll_wait)
8629: case TARGET_NR_epoll_wait:
8630: #endif
8631: #if defined(IMPLEMENT_EPOLL_PWAIT)
8632: case TARGET_NR_epoll_pwait:
8633: #endif
8634: {
8635: struct target_epoll_event *target_ep;
8636: struct epoll_event *ep;
8637: int epfd = arg1;
8638: int maxevents = arg3;
8639: int timeout = arg4;
8640:
8641: target_ep = lock_user(VERIFY_WRITE, arg2,
8642: maxevents * sizeof(struct target_epoll_event), 1);
8643: if (!target_ep) {
8644: goto efault;
8645: }
8646:
8647: ep = alloca(maxevents * sizeof(struct epoll_event));
8648:
8649: switch (num) {
8650: #if defined(IMPLEMENT_EPOLL_PWAIT)
8651: case TARGET_NR_epoll_pwait:
8652: {
8653: target_sigset_t *target_set;
8654: sigset_t _set, *set = &_set;
8655:
8656: if (arg5) {
8657: target_set = lock_user(VERIFY_READ, arg5,
8658: sizeof(target_sigset_t), 1);
8659: if (!target_set) {
8660: unlock_user(target_ep, arg2, 0);
8661: goto efault;
8662: }
8663: target_to_host_sigset(set, target_set);
8664: unlock_user(target_set, arg5, 0);
8665: } else {
8666: set = NULL;
8667: }
8668:
8669: ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
8670: break;
8671: }
8672: #endif
8673: #if defined(TARGET_NR_epoll_wait)
8674: case TARGET_NR_epoll_wait:
8675: ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
8676: break;
8677: #endif
8678: default:
8679: ret = -TARGET_ENOSYS;
8680: }
8681: if (!is_error(ret)) {
8682: int i;
8683: for (i = 0; i < ret; i++) {
8684: target_ep[i].events = tswap32(ep[i].events);
8685: target_ep[i].data.u64 = tswap64(ep[i].data.u64);
8686: }
8687: }
8688: unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
8689: break;
8690: }
8691: #endif
8692: #endif
8693: #ifdef TARGET_NR_prlimit64
8694: case TARGET_NR_prlimit64:
8695: {
8696: /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
8697: struct target_rlimit64 *target_rnew, *target_rold;
8698: struct host_rlimit64 rnew, rold, *rnewp = 0;
8699: if (arg3) {
8700: if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
8701: goto efault;
8702: }
8703: rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
8704: rnew.rlim_max = tswap64(target_rnew->rlim_max);
8705: unlock_user_struct(target_rnew, arg3, 0);
8706: rnewp = &rnew;
8707: }
8708:
8709: ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
8710: if (!is_error(ret) && arg4) {
8711: if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
8712: goto efault;
8713: }
8714: target_rold->rlim_cur = tswap64(rold.rlim_cur);
8715: target_rold->rlim_max = tswap64(rold.rlim_max);
8716: unlock_user_struct(target_rold, arg4, 1);
8717: }
8718: break;
8719: }
8720: #endif
1.1 root 8721: default:
8722: unimplemented:
8723: gemu_log("qemu: Unsupported syscall: %d\n", num);
1.1.1.6 root 8724: #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
1.1 root 8725: unimplemented_nowarn:
8726: #endif
1.1.1.6 root 8727: ret = -TARGET_ENOSYS;
1.1 root 8728: break;
8729: }
1.1.1.6 root 8730: fail:
1.1 root 8731: #ifdef DEBUG
1.1.1.8 root 8732: gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
1.1 root 8733: #endif
1.1.1.6 root 8734: if(do_strace)
8735: print_syscall_ret(num, ret);
1.1 root 8736: return ret;
1.1.1.6 root 8737: efault:
8738: ret = -TARGET_EFAULT;
8739: goto fail;
1.1 root 8740: }
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