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1.1 root 1: /*
2: * Linux syscalls
3: *
4: * Copyright (c) 2003 Fabrice Bellard
5: *
6: * This program is free software; you can redistribute it and/or modify
7: * it under the terms of the GNU General Public License as published by
8: * the Free Software Foundation; either version 2 of the License, or
9: * (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19: */
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>
30: #include <sys/types.h>
31: #include <sys/wait.h>
32: #include <sys/time.h>
33: #include <sys/stat.h>
34: #include <sys/mount.h>
35: #include <sys/resource.h>
36: #include <sys/mman.h>
37: #include <sys/swap.h>
38: #include <signal.h>
39: #include <sched.h>
40: #include <sys/socket.h>
41: #include <sys/uio.h>
42: #include <sys/poll.h>
43: #include <sys/times.h>
44: #include <sys/shm.h>
1.1.1.2 root 45: #include <sys/statfs.h>
1.1 root 46: #include <utime.h>
47: #include <sys/sysinfo.h>
48: //#include <sys/user.h>
49: #include <netinet/ip.h>
50: #include <netinet/tcp.h>
51:
52: #define termios host_termios
53: #define winsize host_winsize
54: #define termio host_termio
55: #define sgttyb host_sgttyb /* same as target */
56: #define tchars host_tchars /* same as target */
57: #define ltchars host_ltchars /* same as target */
58:
59: #include <linux/termios.h>
60: #include <linux/unistd.h>
61: #include <linux/utsname.h>
62: #include <linux/cdrom.h>
63: #include <linux/hdreg.h>
64: #include <linux/soundcard.h>
65: #include <linux/dirent.h>
66: #include <linux/kd.h>
67:
68: #include "qemu.h"
69:
70: //#define DEBUG
71:
72: #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC)
73: /* 16 bit uid wrappers emulation */
74: #define USE_UID16
75: #endif
76:
77: //#include <linux/msdos_fs.h>
78: #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
79: #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
80:
81:
82: #undef _syscall0
83: #undef _syscall1
84: #undef _syscall2
85: #undef _syscall3
86: #undef _syscall4
87: #undef _syscall5
1.1.1.4 ! root 88: #undef _syscall6
1.1 root 89:
1.1.1.4 ! root 90: #define _syscall0(type,name) \
! 91: type name (void) \
! 92: { \
! 93: return syscall(__NR_##name); \
! 94: }
! 95:
! 96: #define _syscall1(type,name,type1,arg1) \
! 97: type name (type1 arg1) \
! 98: { \
! 99: return syscall(__NR_##name, arg1); \
! 100: }
! 101:
! 102: #define _syscall2(type,name,type1,arg1,type2,arg2) \
! 103: type name (type1 arg1,type2 arg2) \
! 104: { \
! 105: return syscall(__NR_##name, arg1, arg2); \
! 106: }
! 107:
! 108: #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
! 109: type name (type1 arg1,type2 arg2,type3 arg3) \
! 110: { \
! 111: return syscall(__NR_##name, arg1, arg2, arg3); \
! 112: }
! 113:
! 114: #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
! 115: type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
! 116: { \
! 117: return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
1.1 root 118: }
1.1.1.4 ! root 119:
! 120: #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
! 121: type5,arg5) \
! 122: type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
! 123: { \
! 124: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
! 125: }
! 126:
! 127:
! 128: #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
! 129: type5,arg5,type6,arg6) \
! 130: type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
! 131: { \
! 132: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
! 133: }
! 134:
1.1 root 135:
136: #define __NR_sys_uname __NR_uname
137: #define __NR_sys_getcwd1 __NR_getcwd
138: #define __NR_sys_getdents __NR_getdents
139: #define __NR_sys_getdents64 __NR_getdents64
140: #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
141:
142: #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
143: #define __NR__llseek __NR_lseek
144: #endif
145:
146: #ifdef __NR_gettid
147: _syscall0(int, gettid)
148: #else
149: static int gettid(void) {
150: return -ENOSYS;
151: }
152: #endif
153: _syscall1(int,sys_uname,struct new_utsname *,buf)
154: _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
155: _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
156: _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
157: _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
158: loff_t *, res, uint, wh);
159: _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
160: #ifdef __NR_exit_group
161: _syscall1(int,exit_group,int,error_code)
162: #endif
163:
164: extern int personality(int);
165: extern int flock(int, int);
166: extern int setfsuid(int);
167: extern int setfsgid(int);
168: extern int setresuid(uid_t, uid_t, uid_t);
169: extern int getresuid(uid_t *, uid_t *, uid_t *);
170: extern int setresgid(gid_t, gid_t, gid_t);
171: extern int getresgid(gid_t *, gid_t *, gid_t *);
172: extern int setgroups(int, gid_t *);
173:
174: static inline long get_errno(long ret)
175: {
176: if (ret == -1)
177: return -errno;
178: else
179: return ret;
180: }
181:
182: static inline int is_error(long ret)
183: {
184: return (unsigned long)ret >= (unsigned long)(-4096);
185: }
186:
1.1.1.3 root 187: static target_ulong target_brk;
188: static target_ulong target_original_brk;
1.1 root 189:
1.1.1.3 root 190: void target_set_brk(target_ulong new_brk)
1.1 root 191: {
1.1.1.3 root 192: target_original_brk = target_brk = new_brk;
1.1 root 193: }
194:
1.1.1.3 root 195: long do_brk(target_ulong new_brk)
1.1 root 196: {
1.1.1.3 root 197: target_ulong brk_page;
1.1 root 198: long mapped_addr;
199: int new_alloc_size;
200:
201: if (!new_brk)
1.1.1.3 root 202: return target_brk;
1.1 root 203: if (new_brk < target_original_brk)
204: return -ENOMEM;
205:
1.1.1.3 root 206: brk_page = HOST_PAGE_ALIGN(target_brk);
1.1 root 207:
208: /* If the new brk is less than this, set it and we're done... */
209: if (new_brk < brk_page) {
210: target_brk = new_brk;
1.1.1.3 root 211: return target_brk;
1.1 root 212: }
213:
214: /* We need to allocate more memory after the brk... */
215: new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
1.1.1.3 root 216: mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
1.1 root 217: PROT_READ|PROT_WRITE,
218: MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
219: if (is_error(mapped_addr)) {
220: return mapped_addr;
221: } else {
222: target_brk = new_brk;
1.1.1.3 root 223: return target_brk;
1.1 root 224: }
225: }
226:
227: static inline fd_set *target_to_host_fds(fd_set *fds,
228: target_long *target_fds, int n)
229: {
230: #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
231: return (fd_set *)target_fds;
232: #else
233: int i, b;
234: if (target_fds) {
235: FD_ZERO(fds);
236: for(i = 0;i < n; i++) {
237: b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
238: (i & (TARGET_LONG_BITS - 1))) & 1;
239: if (b)
240: FD_SET(i, fds);
241: }
242: return fds;
243: } else {
244: return NULL;
245: }
246: #endif
247: }
248:
249: static inline void host_to_target_fds(target_long *target_fds,
250: fd_set *fds, int n)
251: {
252: #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
253: /* nothing to do */
254: #else
255: int i, nw, j, k;
256: target_long v;
257:
258: if (target_fds) {
259: nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
260: k = 0;
261: for(i = 0;i < nw; i++) {
262: v = 0;
263: for(j = 0; j < TARGET_LONG_BITS; j++) {
264: v |= ((FD_ISSET(k, fds) != 0) << j);
265: k++;
266: }
267: target_fds[i] = tswapl(v);
268: }
269: }
270: #endif
271: }
272:
273: #if defined(__alpha__)
274: #define HOST_HZ 1024
275: #else
276: #define HOST_HZ 100
277: #endif
278:
279: static inline long host_to_target_clock_t(long ticks)
280: {
281: #if HOST_HZ == TARGET_HZ
282: return ticks;
283: #else
284: return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
285: #endif
286: }
287:
1.1.1.3 root 288: static inline void host_to_target_rusage(target_ulong target_addr,
1.1 root 289: const struct rusage *rusage)
290: {
1.1.1.3 root 291: struct target_rusage *target_rusage;
292:
293: lock_user_struct(target_rusage, target_addr, 0);
1.1 root 294: target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
295: target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
296: target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
297: target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
298: target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
299: target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
300: target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
301: target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
302: target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
303: target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
304: target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
305: target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
306: target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
307: target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
308: target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
309: target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
310: target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
311: target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
1.1.1.3 root 312: unlock_user_struct(target_rusage, target_addr, 1);
1.1 root 313: }
314:
1.1.1.3 root 315: static inline void target_to_host_timeval(struct timeval *tv,
316: target_ulong target_addr)
1.1 root 317: {
1.1.1.3 root 318: struct target_timeval *target_tv;
319:
320: lock_user_struct(target_tv, target_addr, 1);
1.1 root 321: tv->tv_sec = tswapl(target_tv->tv_sec);
322: tv->tv_usec = tswapl(target_tv->tv_usec);
1.1.1.3 root 323: unlock_user_struct(target_tv, target_addr, 0);
1.1 root 324: }
325:
1.1.1.3 root 326: static inline void host_to_target_timeval(target_ulong target_addr,
1.1 root 327: const struct timeval *tv)
328: {
1.1.1.3 root 329: struct target_timeval *target_tv;
330:
331: lock_user_struct(target_tv, target_addr, 0);
1.1 root 332: target_tv->tv_sec = tswapl(tv->tv_sec);
333: target_tv->tv_usec = tswapl(tv->tv_usec);
1.1.1.3 root 334: unlock_user_struct(target_tv, target_addr, 1);
1.1 root 335: }
336:
337:
338: static long do_select(long n,
1.1.1.3 root 339: target_ulong rfd_p, target_ulong wfd_p,
340: target_ulong efd_p, target_ulong target_tv)
1.1 root 341: {
342: fd_set rfds, wfds, efds;
343: fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1.1.1.3 root 344: target_long *target_rfds, *target_wfds, *target_efds;
1.1 root 345: struct timeval tv, *tv_ptr;
346: long ret;
1.1.1.3 root 347: int ok;
1.1 root 348:
1.1.1.3 root 349: if (rfd_p) {
350: target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
351: rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
352: } else {
353: target_rfds = NULL;
354: rfds_ptr = NULL;
355: }
356: if (wfd_p) {
357: target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
358: wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
359: } else {
360: target_wfds = NULL;
361: wfds_ptr = NULL;
362: }
363: if (efd_p) {
364: target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
365: efds_ptr = target_to_host_fds(&efds, target_efds, n);
366: } else {
367: target_efds = NULL;
368: efds_ptr = NULL;
369: }
1.1 root 370:
371: if (target_tv) {
372: target_to_host_timeval(&tv, target_tv);
373: tv_ptr = &tv;
374: } else {
375: tv_ptr = NULL;
376: }
377: ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
1.1.1.3 root 378: ok = !is_error(ret);
379:
380: if (ok) {
1.1 root 381: host_to_target_fds(target_rfds, rfds_ptr, n);
382: host_to_target_fds(target_wfds, wfds_ptr, n);
383: host_to_target_fds(target_efds, efds_ptr, n);
384:
385: if (target_tv) {
386: host_to_target_timeval(target_tv, &tv);
387: }
388: }
1.1.1.3 root 389: if (target_rfds)
390: unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
391: if (target_wfds)
392: unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
393: if (target_efds)
394: unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
395:
1.1 root 396: return ret;
397: }
398:
399: static inline void target_to_host_sockaddr(struct sockaddr *addr,
1.1.1.3 root 400: target_ulong target_addr,
1.1 root 401: socklen_t len)
402: {
1.1.1.3 root 403: struct target_sockaddr *target_saddr;
404:
405: target_saddr = lock_user(target_addr, len, 1);
406: memcpy(addr, target_saddr, len);
407: addr->sa_family = tswap16(target_saddr->sa_family);
408: unlock_user(target_saddr, target_addr, 0);
1.1 root 409: }
410:
1.1.1.3 root 411: static inline void host_to_target_sockaddr(target_ulong target_addr,
1.1 root 412: struct sockaddr *addr,
413: socklen_t len)
414: {
1.1.1.3 root 415: struct target_sockaddr *target_saddr;
416:
417: target_saddr = lock_user(target_addr, len, 0);
418: memcpy(target_saddr, addr, len);
419: target_saddr->sa_family = tswap16(addr->sa_family);
420: unlock_user(target_saddr, target_addr, len);
1.1 root 421: }
422:
1.1.1.3 root 423: /* ??? Should this also swap msgh->name? */
1.1 root 424: static inline void target_to_host_cmsg(struct msghdr *msgh,
425: struct target_msghdr *target_msgh)
426: {
427: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
428: struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
429: socklen_t space = 0;
430:
431: while (cmsg && target_cmsg) {
432: void *data = CMSG_DATA(cmsg);
433: void *target_data = TARGET_CMSG_DATA(target_cmsg);
434:
435: int len = tswapl(target_cmsg->cmsg_len)
436: - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
437:
438: space += CMSG_SPACE(len);
439: if (space > msgh->msg_controllen) {
440: space -= CMSG_SPACE(len);
1.1.1.2 root 441: gemu_log("Host cmsg overflow\n");
1.1 root 442: break;
443: }
444:
445: cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
446: cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
447: cmsg->cmsg_len = CMSG_LEN(len);
448:
1.1.1.4 ! root 449: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 450: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
451: memcpy(data, target_data, len);
452: } else {
453: int *fd = (int *)data;
454: int *target_fd = (int *)target_data;
455: int i, numfds = len / sizeof(int);
456:
457: for (i = 0; i < numfds; i++)
458: fd[i] = tswap32(target_fd[i]);
459: }
460:
461: cmsg = CMSG_NXTHDR(msgh, cmsg);
462: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
463: }
464:
465: msgh->msg_controllen = space;
466: }
467:
1.1.1.3 root 468: /* ??? Should this also swap msgh->name? */
1.1 root 469: static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
470: struct msghdr *msgh)
471: {
472: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
473: struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
474: socklen_t space = 0;
475:
476: while (cmsg && target_cmsg) {
477: void *data = CMSG_DATA(cmsg);
478: void *target_data = TARGET_CMSG_DATA(target_cmsg);
479:
480: int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
481:
482: space += TARGET_CMSG_SPACE(len);
483: if (space > tswapl(target_msgh->msg_controllen)) {
484: space -= TARGET_CMSG_SPACE(len);
1.1.1.2 root 485: gemu_log("Target cmsg overflow\n");
1.1 root 486: break;
487: }
488:
489: target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
490: target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
491: target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
492:
1.1.1.4 ! root 493: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 494: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
495: memcpy(target_data, data, len);
496: } else {
497: int *fd = (int *)data;
498: int *target_fd = (int *)target_data;
499: int i, numfds = len / sizeof(int);
500:
501: for (i = 0; i < numfds; i++)
502: target_fd[i] = tswap32(fd[i]);
503: }
504:
505: cmsg = CMSG_NXTHDR(msgh, cmsg);
506: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
507: }
508:
509: msgh->msg_controllen = tswapl(space);
510: }
511:
512: static long do_setsockopt(int sockfd, int level, int optname,
1.1.1.3 root 513: target_ulong optval, socklen_t optlen)
1.1 root 514: {
515: int val, ret;
516:
517: switch(level) {
518: case SOL_TCP:
519: /* TCP options all take an 'int' value. */
520: if (optlen < sizeof(uint32_t))
521: return -EINVAL;
522:
1.1.1.3 root 523: val = tget32(optval);
1.1 root 524: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
525: break;
526: case SOL_IP:
527: switch(optname) {
528: case IP_TOS:
529: case IP_TTL:
530: case IP_HDRINCL:
531: case IP_ROUTER_ALERT:
532: case IP_RECVOPTS:
533: case IP_RETOPTS:
534: case IP_PKTINFO:
535: case IP_MTU_DISCOVER:
536: case IP_RECVERR:
537: case IP_RECVTOS:
538: #ifdef IP_FREEBIND
539: case IP_FREEBIND:
540: #endif
541: case IP_MULTICAST_TTL:
542: case IP_MULTICAST_LOOP:
543: val = 0;
544: if (optlen >= sizeof(uint32_t)) {
1.1.1.3 root 545: val = tget32(optval);
1.1 root 546: } else if (optlen >= 1) {
1.1.1.3 root 547: val = tget8(optval);
1.1 root 548: }
549: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
550: break;
551: default:
552: goto unimplemented;
553: }
554: break;
1.1.1.4 ! root 555: case TARGET_SOL_SOCKET:
1.1 root 556: switch (optname) {
557: /* Options with 'int' argument. */
1.1.1.4 ! root 558: case TARGET_SO_DEBUG:
! 559: optname = SO_DEBUG;
! 560: break;
! 561: case TARGET_SO_REUSEADDR:
! 562: optname = SO_REUSEADDR;
! 563: break;
! 564: case TARGET_SO_TYPE:
! 565: optname = SO_TYPE;
! 566: break;
! 567: case TARGET_SO_ERROR:
! 568: optname = SO_ERROR;
! 569: break;
! 570: case TARGET_SO_DONTROUTE:
! 571: optname = SO_DONTROUTE;
! 572: break;
! 573: case TARGET_SO_BROADCAST:
! 574: optname = SO_BROADCAST;
! 575: break;
! 576: case TARGET_SO_SNDBUF:
! 577: optname = SO_SNDBUF;
! 578: break;
! 579: case TARGET_SO_RCVBUF:
! 580: optname = SO_RCVBUF;
! 581: break;
! 582: case TARGET_SO_KEEPALIVE:
! 583: optname = SO_KEEPALIVE;
! 584: break;
! 585: case TARGET_SO_OOBINLINE:
! 586: optname = SO_OOBINLINE;
! 587: break;
! 588: case TARGET_SO_NO_CHECK:
! 589: optname = SO_NO_CHECK;
! 590: break;
! 591: case TARGET_SO_PRIORITY:
! 592: optname = SO_PRIORITY;
! 593: break;
1.1 root 594: #ifdef SO_BSDCOMPAT
1.1.1.4 ! root 595: case TARGET_SO_BSDCOMPAT:
! 596: optname = SO_BSDCOMPAT;
! 597: break;
1.1 root 598: #endif
1.1.1.4 ! root 599: case TARGET_SO_PASSCRED:
! 600: optname = SO_PASSCRED;
! 601: break;
! 602: case TARGET_SO_TIMESTAMP:
! 603: optname = SO_TIMESTAMP;
! 604: break;
! 605: case TARGET_SO_RCVLOWAT:
! 606: optname = SO_RCVLOWAT;
! 607: break;
! 608: case TARGET_SO_RCVTIMEO:
! 609: optname = SO_RCVTIMEO;
! 610: break;
! 611: case TARGET_SO_SNDTIMEO:
! 612: optname = SO_SNDTIMEO;
! 613: break;
1.1 root 614: break;
615: default:
616: goto unimplemented;
617: }
1.1.1.4 ! root 618: if (optlen < sizeof(uint32_t))
! 619: return -EINVAL;
! 620:
! 621: val = tget32(optval);
! 622: ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
1.1 root 623: break;
624: default:
625: unimplemented:
626: gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
627: ret = -ENOSYS;
628: }
629: return ret;
630: }
631:
632: static long do_getsockopt(int sockfd, int level, int optname,
1.1.1.3 root 633: target_ulong optval, target_ulong optlen)
1.1 root 634: {
635: int len, lv, val, ret;
636:
637: switch(level) {
1.1.1.4 ! root 638: case TARGET_SOL_SOCKET:
! 639: level = SOL_SOCKET;
1.1 root 640: switch (optname) {
1.1.1.4 ! root 641: case TARGET_SO_LINGER:
! 642: case TARGET_SO_RCVTIMEO:
! 643: case TARGET_SO_SNDTIMEO:
! 644: case TARGET_SO_PEERCRED:
! 645: case TARGET_SO_PEERNAME:
1.1 root 646: /* These don't just return a single integer */
647: goto unimplemented;
648: default:
649: goto int_case;
650: }
651: break;
652: case SOL_TCP:
653: /* TCP options all take an 'int' value. */
654: int_case:
1.1.1.3 root 655: len = tget32(optlen);
1.1 root 656: if (len < 0)
657: return -EINVAL;
658: lv = sizeof(int);
659: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
660: if (ret < 0)
661: return ret;
662: val = tswap32(val);
663: if (len > lv)
664: len = lv;
1.1.1.3 root 665: if (len == 4)
666: tput32(optval, val);
667: else
668: tput8(optval, val);
669: tput32(optlen, len);
1.1 root 670: break;
671: case SOL_IP:
672: switch(optname) {
673: case IP_TOS:
674: case IP_TTL:
675: case IP_HDRINCL:
676: case IP_ROUTER_ALERT:
677: case IP_RECVOPTS:
678: case IP_RETOPTS:
679: case IP_PKTINFO:
680: case IP_MTU_DISCOVER:
681: case IP_RECVERR:
682: case IP_RECVTOS:
683: #ifdef IP_FREEBIND
684: case IP_FREEBIND:
685: #endif
686: case IP_MULTICAST_TTL:
687: case IP_MULTICAST_LOOP:
1.1.1.3 root 688: len = tget32(optlen);
1.1 root 689: if (len < 0)
690: return -EINVAL;
691: lv = sizeof(int);
692: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
693: if (ret < 0)
694: return ret;
695: if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
696: len = 1;
1.1.1.3 root 697: tput32(optlen, len);
698: tput8(optval, val);
1.1 root 699: } else {
700: if (len > sizeof(int))
701: len = sizeof(int);
1.1.1.3 root 702: tput32(optlen, len);
703: tput32(optval, val);
1.1 root 704: }
705: break;
706: default:
707: goto unimplemented;
708: }
709: break;
710: default:
711: unimplemented:
712: gemu_log("getsockopt level=%d optname=%d not yet supported\n",
713: level, optname);
714: ret = -ENOSYS;
715: break;
716: }
717: return ret;
718: }
719:
1.1.1.3 root 720: static void lock_iovec(struct iovec *vec, target_ulong target_addr,
721: int count, int copy)
722: {
723: struct target_iovec *target_vec;
724: target_ulong base;
725: int i;
726:
727: target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
728: for(i = 0;i < count; i++) {
729: base = tswapl(target_vec[i].iov_base);
730: vec[i].iov_len = tswapl(target_vec[i].iov_len);
731: vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
732: }
733: unlock_user (target_vec, target_addr, 0);
734: }
735:
736: static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
737: int count, int copy)
738: {
739: struct target_iovec *target_vec;
740: target_ulong base;
741: int i;
742:
743: target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
744: for(i = 0;i < count; i++) {
745: base = tswapl(target_vec[i].iov_base);
746: unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
747: }
748: unlock_user (target_vec, target_addr, 0);
749: }
750:
1.1.1.4 ! root 751: static long do_socket(int domain, int type, int protocol)
! 752: {
! 753: #if defined(TARGET_MIPS)
! 754: switch(type) {
! 755: case TARGET_SOCK_DGRAM:
! 756: type = SOCK_DGRAM;
! 757: break;
! 758: case TARGET_SOCK_STREAM:
! 759: type = SOCK_STREAM;
! 760: break;
! 761: case TARGET_SOCK_RAW:
! 762: type = SOCK_RAW;
! 763: break;
! 764: case TARGET_SOCK_RDM:
! 765: type = SOCK_RDM;
! 766: break;
! 767: case TARGET_SOCK_SEQPACKET:
! 768: type = SOCK_SEQPACKET;
! 769: break;
! 770: case TARGET_SOCK_PACKET:
! 771: type = SOCK_PACKET;
! 772: break;
! 773: }
! 774: #endif
! 775: return get_errno(socket(domain, type, protocol));
! 776: }
! 777:
! 778: static long do_bind(int sockfd, target_ulong target_addr,
! 779: socklen_t addrlen)
! 780: {
! 781: void *addr = alloca(addrlen);
! 782:
! 783: target_to_host_sockaddr(addr, target_addr, addrlen);
! 784: return get_errno(bind(sockfd, addr, addrlen));
! 785: }
! 786:
! 787: static long do_connect(int sockfd, target_ulong target_addr,
! 788: socklen_t addrlen)
! 789: {
! 790: void *addr = alloca(addrlen);
! 791:
! 792: target_to_host_sockaddr(addr, target_addr, addrlen);
! 793: return get_errno(connect(sockfd, addr, addrlen));
! 794: }
! 795:
! 796: static long do_sendrecvmsg(int fd, target_ulong target_msg,
! 797: int flags, int send)
! 798: {
! 799: long ret;
! 800: struct target_msghdr *msgp;
! 801: struct msghdr msg;
! 802: int count;
! 803: struct iovec *vec;
! 804: target_ulong target_vec;
! 805:
! 806: lock_user_struct(msgp, target_msg, 1);
! 807: if (msgp->msg_name) {
! 808: msg.msg_namelen = tswap32(msgp->msg_namelen);
! 809: msg.msg_name = alloca(msg.msg_namelen);
! 810: target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
! 811: msg.msg_namelen);
! 812: } else {
! 813: msg.msg_name = NULL;
! 814: msg.msg_namelen = 0;
! 815: }
! 816: msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
! 817: msg.msg_control = alloca(msg.msg_controllen);
! 818: msg.msg_flags = tswap32(msgp->msg_flags);
! 819:
! 820: count = tswapl(msgp->msg_iovlen);
! 821: vec = alloca(count * sizeof(struct iovec));
! 822: target_vec = tswapl(msgp->msg_iov);
! 823: lock_iovec(vec, target_vec, count, send);
! 824: msg.msg_iovlen = count;
! 825: msg.msg_iov = vec;
! 826:
! 827: if (send) {
! 828: target_to_host_cmsg(&msg, msgp);
! 829: ret = get_errno(sendmsg(fd, &msg, flags));
! 830: } else {
! 831: ret = get_errno(recvmsg(fd, &msg, flags));
! 832: if (!is_error(ret))
! 833: host_to_target_cmsg(msgp, &msg);
! 834: }
! 835: unlock_iovec(vec, target_vec, count, !send);
! 836: return ret;
! 837: }
! 838:
1.1.1.3 root 839: static long do_socketcall(int num, target_ulong vptr)
1.1 root 840: {
841: long ret;
1.1.1.3 root 842: const int n = sizeof(target_ulong);
1.1 root 843:
844: switch(num) {
845: case SOCKOP_socket:
846: {
1.1.1.3 root 847: int domain = tgetl(vptr);
848: int type = tgetl(vptr + n);
849: int protocol = tgetl(vptr + 2 * n);
1.1.1.4 ! root 850: ret = do_socket(domain, type, protocol);
1.1 root 851: }
852: break;
853: case SOCKOP_bind:
854: {
1.1.1.3 root 855: int sockfd = tgetl(vptr);
856: target_ulong target_addr = tgetl(vptr + n);
857: socklen_t addrlen = tgetl(vptr + 2 * n);
1.1.1.4 ! root 858: ret = do_bind(sockfd, target_addr, addrlen);
1.1 root 859: }
860: break;
861: case SOCKOP_connect:
862: {
1.1.1.3 root 863: int sockfd = tgetl(vptr);
864: target_ulong target_addr = tgetl(vptr + n);
865: socklen_t addrlen = tgetl(vptr + 2 * n);
1.1.1.4 ! root 866: ret = do_connect(sockfd, target_addr, addrlen);
1.1 root 867: }
868: break;
869: case SOCKOP_listen:
870: {
1.1.1.3 root 871: int sockfd = tgetl(vptr);
872: int backlog = tgetl(vptr + n);
1.1 root 873: ret = get_errno(listen(sockfd, backlog));
874: }
875: break;
876: case SOCKOP_accept:
877: {
1.1.1.3 root 878: int sockfd = tgetl(vptr);
879: target_ulong target_addr = tgetl(vptr + n);
880: target_ulong target_addrlen = tgetl(vptr + 2 * n);
881: socklen_t addrlen = tget32(target_addrlen);
1.1 root 882: void *addr = alloca(addrlen);
883:
884: ret = get_errno(accept(sockfd, addr, &addrlen));
885: if (!is_error(ret)) {
886: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.3 root 887: tput32(target_addrlen, addrlen);
1.1 root 888: }
889: }
890: break;
891: case SOCKOP_getsockname:
892: {
1.1.1.3 root 893: int sockfd = tgetl(vptr);
894: target_ulong target_addr = tgetl(vptr + n);
895: target_ulong target_addrlen = tgetl(vptr + 2 * n);
896: socklen_t addrlen = tget32(target_addrlen);
1.1 root 897: void *addr = alloca(addrlen);
898:
899: ret = get_errno(getsockname(sockfd, addr, &addrlen));
900: if (!is_error(ret)) {
901: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.3 root 902: tput32(target_addrlen, addrlen);
1.1 root 903: }
904: }
905: break;
906: case SOCKOP_getpeername:
907: {
1.1.1.3 root 908: int sockfd = tgetl(vptr);
909: target_ulong target_addr = tgetl(vptr + n);
910: target_ulong target_addrlen = tgetl(vptr + 2 * n);
911: socklen_t addrlen = tget32(target_addrlen);
1.1 root 912: void *addr = alloca(addrlen);
913:
914: ret = get_errno(getpeername(sockfd, addr, &addrlen));
915: if (!is_error(ret)) {
916: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.3 root 917: tput32(target_addrlen, addrlen);
1.1 root 918: }
919: }
920: break;
921: case SOCKOP_socketpair:
922: {
1.1.1.3 root 923: int domain = tgetl(vptr);
924: int type = tgetl(vptr + n);
925: int protocol = tgetl(vptr + 2 * n);
926: target_ulong target_tab = tgetl(vptr + 3 * n);
1.1 root 927: int tab[2];
928:
929: ret = get_errno(socketpair(domain, type, protocol, tab));
930: if (!is_error(ret)) {
1.1.1.3 root 931: tput32(target_tab, tab[0]);
932: tput32(target_tab + 4, tab[1]);
1.1 root 933: }
934: }
935: break;
936: case SOCKOP_send:
937: {
1.1.1.3 root 938: int sockfd = tgetl(vptr);
939: target_ulong msg = tgetl(vptr + n);
940: size_t len = tgetl(vptr + 2 * n);
941: int flags = tgetl(vptr + 3 * n);
942: void *host_msg;
943:
944: host_msg = lock_user(msg, len, 1);
945: ret = get_errno(send(sockfd, host_msg, len, flags));
946: unlock_user(host_msg, msg, 0);
1.1 root 947: }
948: break;
949: case SOCKOP_recv:
950: {
1.1.1.3 root 951: int sockfd = tgetl(vptr);
952: target_ulong msg = tgetl(vptr + n);
953: size_t len = tgetl(vptr + 2 * n);
954: int flags = tgetl(vptr + 3 * n);
955: void *host_msg;
956:
957: host_msg = lock_user(msg, len, 0);
958: ret = get_errno(recv(sockfd, host_msg, len, flags));
959: unlock_user(host_msg, msg, ret);
1.1 root 960: }
961: break;
962: case SOCKOP_sendto:
963: {
1.1.1.3 root 964: int sockfd = tgetl(vptr);
965: target_ulong msg = tgetl(vptr + n);
966: size_t len = tgetl(vptr + 2 * n);
967: int flags = tgetl(vptr + 3 * n);
968: target_ulong target_addr = tgetl(vptr + 4 * n);
969: socklen_t addrlen = tgetl(vptr + 5 * n);
1.1 root 970: void *addr = alloca(addrlen);
1.1.1.3 root 971: void *host_msg;
1.1 root 972:
1.1.1.3 root 973: host_msg = lock_user(msg, len, 1);
1.1 root 974: target_to_host_sockaddr(addr, target_addr, addrlen);
1.1.1.3 root 975: ret = get_errno(sendto(sockfd, host_msg, len, flags, addr, addrlen));
976: unlock_user(host_msg, msg, 0);
1.1 root 977: }
978: break;
979: case SOCKOP_recvfrom:
980: {
1.1.1.3 root 981: int sockfd = tgetl(vptr);
982: target_ulong msg = tgetl(vptr + n);
983: size_t len = tgetl(vptr + 2 * n);
984: int flags = tgetl(vptr + 3 * n);
985: target_ulong target_addr = tgetl(vptr + 4 * n);
986: target_ulong target_addrlen = tgetl(vptr + 5 * n);
987: socklen_t addrlen = tget32(target_addrlen);
1.1 root 988: void *addr = alloca(addrlen);
1.1.1.3 root 989: void *host_msg;
1.1 root 990:
1.1.1.3 root 991: host_msg = lock_user(msg, len, 0);
992: ret = get_errno(recvfrom(sockfd, host_msg, len, flags, addr, &addrlen));
1.1 root 993: if (!is_error(ret)) {
994: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.3 root 995: tput32(target_addrlen, addrlen);
996: unlock_user(host_msg, msg, len);
997: } else {
998: unlock_user(host_msg, msg, 0);
1.1 root 999: }
1000: }
1001: break;
1002: case SOCKOP_shutdown:
1003: {
1.1.1.3 root 1004: int sockfd = tgetl(vptr);
1005: int how = tgetl(vptr + n);
1.1 root 1006:
1007: ret = get_errno(shutdown(sockfd, how));
1008: }
1009: break;
1010: case SOCKOP_sendmsg:
1011: case SOCKOP_recvmsg:
1012: {
1013: int fd;
1.1.1.3 root 1014: target_ulong target_msg;
1.1.1.4 ! root 1015: int flags;
1.1 root 1016:
1.1.1.3 root 1017: fd = tgetl(vptr);
1.1.1.4 ! root 1018: target_msg = tgetl(vptr + n);
1.1.1.3 root 1019: flags = tgetl(vptr + 2 * n);
1.1.1.4 ! root 1020:
! 1021: ret = do_sendrecvmsg(fd, target_msg, flags,
! 1022: (num == SOCKOP_sendmsg));
1.1 root 1023: }
1024: break;
1025: case SOCKOP_setsockopt:
1026: {
1.1.1.3 root 1027: int sockfd = tgetl(vptr);
1028: int level = tgetl(vptr + n);
1029: int optname = tgetl(vptr + 2 * n);
1030: target_ulong optval = tgetl(vptr + 3 * n);
1031: socklen_t optlen = tgetl(vptr + 4 * n);
1.1 root 1032:
1033: ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1034: }
1035: break;
1036: case SOCKOP_getsockopt:
1037: {
1.1.1.3 root 1038: int sockfd = tgetl(vptr);
1039: int level = tgetl(vptr + n);
1040: int optname = tgetl(vptr + 2 * n);
1041: target_ulong optval = tgetl(vptr + 3 * n);
1042: target_ulong poptlen = tgetl(vptr + 4 * n);
1.1 root 1043:
1044: ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
1045: }
1046: break;
1047: default:
1048: gemu_log("Unsupported socketcall: %d\n", num);
1049: ret = -ENOSYS;
1050: break;
1051: }
1052: return ret;
1053: }
1054:
1.1.1.4 ! root 1055: /* XXX: suppress this function and call directly the related socket
! 1056: functions */
! 1057: static long do_socketcallwrapper(int num, long arg1, long arg2, long arg3,
! 1058: long arg4, long arg5, long arg6)
! 1059: {
! 1060: target_long args[6];
! 1061:
! 1062: tputl(args, arg1);
! 1063: tputl(args+1, arg2);
! 1064: tputl(args+2, arg3);
! 1065: tputl(args+3, arg4);
! 1066: tputl(args+4, arg5);
! 1067: tputl(args+5, arg6);
! 1068:
! 1069: return do_socketcall(num, (target_ulong) args);
! 1070: }
1.1 root 1071:
1072: #define N_SHM_REGIONS 32
1073:
1074: static struct shm_region {
1075: uint32_t start;
1076: uint32_t size;
1077: } shm_regions[N_SHM_REGIONS];
1078:
1.1.1.3 root 1079: /* ??? This only works with linear mappings. */
1.1 root 1080: static long do_ipc(long call, long first, long second, long third,
1081: long ptr, long fifth)
1082: {
1083: int version;
1084: long ret = 0;
1085: unsigned long raddr;
1086: struct shmid_ds shm_info;
1087: int i;
1088:
1089: version = call >> 16;
1090: call &= 0xffff;
1091:
1092: switch (call) {
1093: case IPCOP_shmat:
1094: /* SHM_* flags are the same on all linux platforms */
1095: ret = get_errno((long) shmat(first, (void *) ptr, second));
1096: if (is_error(ret))
1097: break;
1098: raddr = ret;
1099: /* find out the length of the shared memory segment */
1100:
1101: ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1102: if (is_error(ret)) {
1103: /* can't get length, bail out */
1104: shmdt((void *) raddr);
1105: break;
1106: }
1107: page_set_flags(raddr, raddr + shm_info.shm_segsz,
1108: PAGE_VALID | PAGE_READ |
1109: ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1110: for (i = 0; i < N_SHM_REGIONS; ++i) {
1111: if (shm_regions[i].start == 0) {
1112: shm_regions[i].start = raddr;
1113: shm_regions[i].size = shm_info.shm_segsz;
1114: break;
1115: }
1116: }
1117: if (put_user(raddr, (uint32_t *)third))
1118: return -EFAULT;
1119: ret = 0;
1120: break;
1121: case IPCOP_shmdt:
1122: for (i = 0; i < N_SHM_REGIONS; ++i) {
1123: if (shm_regions[i].start == ptr) {
1124: shm_regions[i].start = 0;
1125: page_set_flags(ptr, shm_regions[i].size, 0);
1126: break;
1127: }
1128: }
1129: ret = get_errno(shmdt((void *) ptr));
1130: break;
1131:
1132: case IPCOP_shmget:
1133: /* IPC_* flag values are the same on all linux platforms */
1134: ret = get_errno(shmget(first, second, third));
1135: break;
1136:
1137: /* IPC_* and SHM_* command values are the same on all linux platforms */
1138: case IPCOP_shmctl:
1139: switch(second) {
1140: case IPC_RMID:
1141: case SHM_LOCK:
1142: case SHM_UNLOCK:
1143: ret = get_errno(shmctl(first, second, NULL));
1144: break;
1145: default:
1146: goto unimplemented;
1147: }
1148: break;
1149: default:
1150: unimplemented:
1151: gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1152: ret = -ENOSYS;
1153: break;
1154: }
1155: return ret;
1156: }
1157:
1158: /* kernel structure types definitions */
1159: #define IFNAMSIZ 16
1160:
1161: #define STRUCT(name, list...) STRUCT_ ## name,
1162: #define STRUCT_SPECIAL(name) STRUCT_ ## name,
1163: enum {
1164: #include "syscall_types.h"
1165: };
1166: #undef STRUCT
1167: #undef STRUCT_SPECIAL
1168:
1169: #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1170: #define STRUCT_SPECIAL(name)
1171: #include "syscall_types.h"
1172: #undef STRUCT
1173: #undef STRUCT_SPECIAL
1174:
1175: typedef struct IOCTLEntry {
1176: unsigned int target_cmd;
1177: unsigned int host_cmd;
1178: const char *name;
1179: int access;
1180: const argtype arg_type[5];
1181: } IOCTLEntry;
1182:
1183: #define IOC_R 0x0001
1184: #define IOC_W 0x0002
1185: #define IOC_RW (IOC_R | IOC_W)
1186:
1187: #define MAX_STRUCT_SIZE 4096
1188:
1189: IOCTLEntry ioctl_entries[] = {
1190: #define IOCTL(cmd, access, types...) \
1191: { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1192: #include "ioctls.h"
1193: { 0, 0, },
1194: };
1195:
1.1.1.3 root 1196: /* ??? Implement proper locking for ioctls. */
1.1 root 1197: static long do_ioctl(long fd, long cmd, long arg)
1198: {
1199: const IOCTLEntry *ie;
1200: const argtype *arg_type;
1201: long ret;
1202: uint8_t buf_temp[MAX_STRUCT_SIZE];
1.1.1.3 root 1203: int target_size;
1204: void *argptr;
1.1 root 1205:
1206: ie = ioctl_entries;
1207: for(;;) {
1208: if (ie->target_cmd == 0) {
1209: gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1210: return -ENOSYS;
1211: }
1212: if (ie->target_cmd == cmd)
1213: break;
1214: ie++;
1215: }
1216: arg_type = ie->arg_type;
1217: #if defined(DEBUG)
1218: gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1219: #endif
1220: switch(arg_type[0]) {
1221: case TYPE_NULL:
1222: /* no argument */
1223: ret = get_errno(ioctl(fd, ie->host_cmd));
1224: break;
1225: case TYPE_PTRVOID:
1226: case TYPE_INT:
1227: /* int argment */
1228: ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1229: break;
1230: case TYPE_PTR:
1231: arg_type++;
1.1.1.3 root 1232: target_size = thunk_type_size(arg_type, 0);
1.1 root 1233: switch(ie->access) {
1234: case IOC_R:
1235: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1236: if (!is_error(ret)) {
1.1.1.3 root 1237: argptr = lock_user(arg, target_size, 0);
1238: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1239: unlock_user(argptr, arg, target_size);
1.1 root 1240: }
1241: break;
1242: case IOC_W:
1.1.1.3 root 1243: argptr = lock_user(arg, target_size, 1);
1244: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1245: unlock_user(argptr, arg, 0);
1.1 root 1246: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1247: break;
1248: default:
1249: case IOC_RW:
1.1.1.3 root 1250: argptr = lock_user(arg, target_size, 1);
1251: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1252: unlock_user(argptr, arg, 0);
1.1 root 1253: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1254: if (!is_error(ret)) {
1.1.1.3 root 1255: argptr = lock_user(arg, target_size, 0);
1256: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1257: unlock_user(argptr, arg, target_size);
1.1 root 1258: }
1259: break;
1260: }
1261: break;
1262: default:
1263: gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1264: ret = -ENOSYS;
1265: break;
1266: }
1267: return ret;
1268: }
1269:
1270: bitmask_transtbl iflag_tbl[] = {
1271: { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1272: { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1273: { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1274: { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1275: { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1276: { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1277: { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1278: { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1279: { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1280: { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1281: { TARGET_IXON, TARGET_IXON, IXON, IXON },
1282: { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1283: { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1284: { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1285: { 0, 0, 0, 0 }
1286: };
1287:
1288: bitmask_transtbl oflag_tbl[] = {
1289: { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1290: { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1291: { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1292: { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1293: { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1294: { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1295: { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1296: { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1297: { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1298: { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1299: { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1300: { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1301: { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1302: { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1303: { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1304: { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1305: { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1306: { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1307: { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1308: { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1309: { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1310: { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1311: { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1312: { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1313: { 0, 0, 0, 0 }
1314: };
1315:
1316: bitmask_transtbl cflag_tbl[] = {
1317: { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1318: { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1319: { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1320: { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1321: { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1322: { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1323: { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1324: { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1325: { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1326: { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1327: { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1328: { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1329: { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1330: { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1331: { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1332: { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1333: { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1334: { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1335: { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1336: { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1337: { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1338: { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1339: { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1340: { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1341: { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1342: { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1343: { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1344: { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1345: { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1346: { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1347: { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1348: { 0, 0, 0, 0 }
1349: };
1350:
1351: bitmask_transtbl lflag_tbl[] = {
1352: { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1353: { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1354: { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1355: { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1356: { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1357: { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1358: { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1359: { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1360: { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1361: { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1362: { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1363: { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1364: { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1365: { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1366: { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1367: { 0, 0, 0, 0 }
1368: };
1369:
1370: static void target_to_host_termios (void *dst, const void *src)
1371: {
1372: struct host_termios *host = dst;
1373: const struct target_termios *target = src;
1374:
1375: host->c_iflag =
1376: target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1377: host->c_oflag =
1378: target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1379: host->c_cflag =
1380: target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1381: host->c_lflag =
1382: target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1383: host->c_line = target->c_line;
1384:
1385: host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1386: host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1387: host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1388: host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1389: host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1390: host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1391: host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1392: host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1393: host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1394: host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1395: host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1396: host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1397: host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1398: host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1399: host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1400: host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1401: host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1402: }
1403:
1404: static void host_to_target_termios (void *dst, const void *src)
1405: {
1406: struct target_termios *target = dst;
1407: const struct host_termios *host = src;
1408:
1409: target->c_iflag =
1410: tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1411: target->c_oflag =
1412: tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1413: target->c_cflag =
1414: tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1415: target->c_lflag =
1416: tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1417: target->c_line = host->c_line;
1418:
1419: target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1420: target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1421: target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1422: target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1423: target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1424: target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1425: target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1426: target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1427: target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1428: target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1429: target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1430: target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1431: target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1432: target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1433: target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1434: target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1435: target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1436: }
1437:
1438: StructEntry struct_termios_def = {
1439: .convert = { host_to_target_termios, target_to_host_termios },
1440: .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1441: .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1442: };
1443:
1444: static bitmask_transtbl mmap_flags_tbl[] = {
1445: { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1446: { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1447: { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1448: { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1449: { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1450: { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1451: { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1452: { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1453: { 0, 0, 0, 0 }
1454: };
1455:
1456: static bitmask_transtbl fcntl_flags_tbl[] = {
1457: { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1458: { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1459: { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1460: { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1461: { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1462: { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1463: { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1464: { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1465: { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1466: { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1467: { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1468: { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1469: { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1470: #if defined(O_DIRECT)
1471: { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
1472: #endif
1473: { 0, 0, 0, 0 }
1474: };
1475:
1476: #if defined(TARGET_I386)
1477:
1478: /* NOTE: there is really one LDT for all the threads */
1479: uint8_t *ldt_table;
1480:
1.1.1.3 root 1481: static int read_ldt(target_ulong ptr, unsigned long bytecount)
1.1 root 1482: {
1483: int size;
1.1.1.3 root 1484: void *p;
1.1 root 1485:
1486: if (!ldt_table)
1487: return 0;
1488: size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1489: if (size > bytecount)
1490: size = bytecount;
1.1.1.3 root 1491: p = lock_user(ptr, size, 0);
1492: /* ??? Shoudl this by byteswapped? */
1493: memcpy(p, ldt_table, size);
1494: unlock_user(p, ptr, size);
1.1 root 1495: return size;
1496: }
1497:
1498: /* XXX: add locking support */
1499: static int write_ldt(CPUX86State *env,
1.1.1.3 root 1500: target_ulong ptr, unsigned long bytecount, int oldmode)
1.1 root 1501: {
1502: struct target_modify_ldt_ldt_s ldt_info;
1.1.1.3 root 1503: struct target_modify_ldt_ldt_s *target_ldt_info;
1.1 root 1504: int seg_32bit, contents, read_exec_only, limit_in_pages;
1505: int seg_not_present, useable;
1506: uint32_t *lp, entry_1, entry_2;
1507:
1508: if (bytecount != sizeof(ldt_info))
1509: return -EINVAL;
1.1.1.3 root 1510: lock_user_struct(target_ldt_info, ptr, 1);
1511: ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1512: ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1513: ldt_info.limit = tswap32(target_ldt_info->limit);
1514: ldt_info.flags = tswap32(target_ldt_info->flags);
1515: unlock_user_struct(target_ldt_info, ptr, 0);
1.1 root 1516:
1517: if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1518: return -EINVAL;
1519: seg_32bit = ldt_info.flags & 1;
1520: contents = (ldt_info.flags >> 1) & 3;
1521: read_exec_only = (ldt_info.flags >> 3) & 1;
1522: limit_in_pages = (ldt_info.flags >> 4) & 1;
1523: seg_not_present = (ldt_info.flags >> 5) & 1;
1524: useable = (ldt_info.flags >> 6) & 1;
1525:
1526: if (contents == 3) {
1527: if (oldmode)
1528: return -EINVAL;
1529: if (seg_not_present == 0)
1530: return -EINVAL;
1531: }
1532: /* allocate the LDT */
1533: if (!ldt_table) {
1534: ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1535: if (!ldt_table)
1536: return -ENOMEM;
1537: memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1.1.1.3 root 1538: env->ldt.base = h2g(ldt_table);
1.1 root 1539: env->ldt.limit = 0xffff;
1540: }
1541:
1542: /* NOTE: same code as Linux kernel */
1543: /* Allow LDTs to be cleared by the user. */
1544: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1545: if (oldmode ||
1546: (contents == 0 &&
1547: read_exec_only == 1 &&
1548: seg_32bit == 0 &&
1549: limit_in_pages == 0 &&
1550: seg_not_present == 1 &&
1551: useable == 0 )) {
1552: entry_1 = 0;
1553: entry_2 = 0;
1554: goto install;
1555: }
1556: }
1557:
1558: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1559: (ldt_info.limit & 0x0ffff);
1560: entry_2 = (ldt_info.base_addr & 0xff000000) |
1561: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1562: (ldt_info.limit & 0xf0000) |
1563: ((read_exec_only ^ 1) << 9) |
1564: (contents << 10) |
1565: ((seg_not_present ^ 1) << 15) |
1566: (seg_32bit << 22) |
1567: (limit_in_pages << 23) |
1568: 0x7000;
1569: if (!oldmode)
1570: entry_2 |= (useable << 20);
1571:
1572: /* Install the new entry ... */
1573: install:
1574: lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1575: lp[0] = tswap32(entry_1);
1576: lp[1] = tswap32(entry_2);
1577: return 0;
1578: }
1579:
1580: /* specific and weird i386 syscalls */
1.1.1.3 root 1581: int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
1.1 root 1582: {
1583: int ret = -ENOSYS;
1584:
1585: switch (func) {
1586: case 0:
1587: ret = read_ldt(ptr, bytecount);
1588: break;
1589: case 1:
1590: ret = write_ldt(env, ptr, bytecount, 1);
1591: break;
1592: case 0x11:
1593: ret = write_ldt(env, ptr, bytecount, 0);
1594: break;
1595: }
1596: return ret;
1597: }
1598:
1599: #endif /* defined(TARGET_I386) */
1600:
1601: /* this stack is the equivalent of the kernel stack associated with a
1602: thread/process */
1603: #define NEW_STACK_SIZE 8192
1604:
1605: static int clone_func(void *arg)
1606: {
1607: CPUState *env = arg;
1608: cpu_loop(env);
1609: /* never exits */
1610: return 0;
1611: }
1612:
1613: int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1614: {
1615: int ret;
1616: TaskState *ts;
1617: uint8_t *new_stack;
1618: CPUState *new_env;
1619:
1620: if (flags & CLONE_VM) {
1621: ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1622: memset(ts, 0, sizeof(TaskState));
1623: new_stack = ts->stack;
1624: ts->used = 1;
1625: /* add in task state list */
1626: ts->next = first_task_state;
1627: first_task_state = ts;
1628: /* we create a new CPU instance. */
1629: new_env = cpu_init();
1630: memcpy(new_env, env, sizeof(CPUState));
1631: #if defined(TARGET_I386)
1632: if (!newsp)
1633: newsp = env->regs[R_ESP];
1634: new_env->regs[R_ESP] = newsp;
1635: new_env->regs[R_EAX] = 0;
1636: #elif defined(TARGET_ARM)
1637: if (!newsp)
1638: newsp = env->regs[13];
1639: new_env->regs[13] = newsp;
1640: new_env->regs[0] = 0;
1641: #elif defined(TARGET_SPARC)
1.1.1.4 ! root 1642: if (!newsp)
! 1643: newsp = env->regwptr[22];
! 1644: new_env->regwptr[22] = newsp;
! 1645: new_env->regwptr[0] = 0;
! 1646: /* XXXXX */
1.1 root 1647: printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1.1.1.2 root 1648: #elif defined(TARGET_MIPS)
1649: printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1.1 root 1650: #elif defined(TARGET_PPC)
1651: if (!newsp)
1652: newsp = env->gpr[1];
1653: new_env->gpr[1] = newsp;
1654: {
1655: int i;
1656: for (i = 7; i < 32; i++)
1657: new_env->gpr[i] = 0;
1658: }
1.1.1.3 root 1659: #elif defined(TARGET_SH4)
1660: if (!newsp)
1661: newsp = env->gregs[15];
1662: new_env->gregs[15] = newsp;
1663: /* XXXXX */
1.1 root 1664: #else
1665: #error unsupported target CPU
1666: #endif
1667: new_env->opaque = ts;
1668: #ifdef __ia64__
1.1.1.3 root 1669: ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1.1 root 1670: #else
1671: ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1672: #endif
1673: } else {
1674: /* if no CLONE_VM, we consider it is a fork */
1675: if ((flags & ~CSIGNAL) != 0)
1676: return -EINVAL;
1677: ret = fork();
1678: }
1679: return ret;
1680: }
1681:
1.1.1.3 root 1682: static long do_fcntl(int fd, int cmd, target_ulong arg)
1.1 root 1683: {
1684: struct flock fl;
1.1.1.3 root 1685: struct target_flock *target_fl;
1.1 root 1686: long ret;
1.1.1.3 root 1687:
1.1 root 1688: switch(cmd) {
1689: case TARGET_F_GETLK:
1690: ret = fcntl(fd, cmd, &fl);
1691: if (ret == 0) {
1.1.1.3 root 1692: lock_user_struct(target_fl, arg, 0);
1.1 root 1693: target_fl->l_type = tswap16(fl.l_type);
1694: target_fl->l_whence = tswap16(fl.l_whence);
1695: target_fl->l_start = tswapl(fl.l_start);
1696: target_fl->l_len = tswapl(fl.l_len);
1697: target_fl->l_pid = tswapl(fl.l_pid);
1.1.1.3 root 1698: unlock_user_struct(target_fl, arg, 1);
1.1 root 1699: }
1700: break;
1701:
1702: case TARGET_F_SETLK:
1703: case TARGET_F_SETLKW:
1.1.1.3 root 1704: lock_user_struct(target_fl, arg, 1);
1.1 root 1705: fl.l_type = tswap16(target_fl->l_type);
1706: fl.l_whence = tswap16(target_fl->l_whence);
1707: fl.l_start = tswapl(target_fl->l_start);
1708: fl.l_len = tswapl(target_fl->l_len);
1709: fl.l_pid = tswapl(target_fl->l_pid);
1.1.1.3 root 1710: unlock_user_struct(target_fl, arg, 0);
1.1 root 1711: ret = fcntl(fd, cmd, &fl);
1712: break;
1713:
1714: case TARGET_F_GETLK64:
1715: case TARGET_F_SETLK64:
1716: case TARGET_F_SETLKW64:
1717: ret = -1;
1718: errno = EINVAL;
1719: break;
1720:
1721: case F_GETFL:
1722: ret = fcntl(fd, cmd, arg);
1723: ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1724: break;
1725:
1726: case F_SETFL:
1727: ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1728: break;
1729:
1730: default:
1731: ret = fcntl(fd, cmd, arg);
1732: break;
1733: }
1734: return ret;
1735: }
1736:
1737: #ifdef USE_UID16
1738:
1739: static inline int high2lowuid(int uid)
1740: {
1741: if (uid > 65535)
1742: return 65534;
1743: else
1744: return uid;
1745: }
1746:
1747: static inline int high2lowgid(int gid)
1748: {
1749: if (gid > 65535)
1750: return 65534;
1751: else
1752: return gid;
1753: }
1754:
1755: static inline int low2highuid(int uid)
1756: {
1757: if ((int16_t)uid == -1)
1758: return -1;
1759: else
1760: return uid;
1761: }
1762:
1763: static inline int low2highgid(int gid)
1764: {
1765: if ((int16_t)gid == -1)
1766: return -1;
1767: else
1768: return gid;
1769: }
1770:
1771: #endif /* USE_UID16 */
1772:
1773: void syscall_init(void)
1774: {
1775: IOCTLEntry *ie;
1776: const argtype *arg_type;
1777: int size;
1778:
1779: #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1780: #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1781: #include "syscall_types.h"
1782: #undef STRUCT
1783: #undef STRUCT_SPECIAL
1784:
1785: /* we patch the ioctl size if necessary. We rely on the fact that
1786: no ioctl has all the bits at '1' in the size field */
1787: ie = ioctl_entries;
1788: while (ie->target_cmd != 0) {
1789: if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1790: TARGET_IOC_SIZEMASK) {
1791: arg_type = ie->arg_type;
1792: if (arg_type[0] != TYPE_PTR) {
1793: fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1794: ie->target_cmd);
1795: exit(1);
1796: }
1797: arg_type++;
1798: size = thunk_type_size(arg_type, 0);
1799: ie->target_cmd = (ie->target_cmd &
1800: ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1801: (size << TARGET_IOC_SIZESHIFT);
1802: }
1803: /* automatic consistency check if same arch */
1804: #if defined(__i386__) && defined(TARGET_I386)
1805: if (ie->target_cmd != ie->host_cmd) {
1806: fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1807: ie->target_cmd, ie->host_cmd);
1808: }
1809: #endif
1810: ie++;
1811: }
1812: }
1813:
1.1.1.3 root 1814: static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1815: {
1816: #ifdef TARGET_WORDS_BIG_ENDIAN
1817: return ((uint64_t)word0 << 32) | word1;
1818: #else
1819: return ((uint64_t)word1 << 32) | word0;
1820: #endif
1821: }
1822:
1823: #ifdef TARGET_NR_truncate64
1824: static inline long target_truncate64(void *cpu_env, const char *arg1,
1825: long arg2, long arg3, long arg4)
1826: {
1827: #ifdef TARGET_ARM
1828: if (((CPUARMState *)cpu_env)->eabi)
1829: {
1830: arg2 = arg3;
1831: arg3 = arg4;
1832: }
1833: #endif
1834: return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1835: }
1836: #endif
1837:
1838: #ifdef TARGET_NR_ftruncate64
1839: static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1840: long arg3, long arg4)
1841: {
1842: #ifdef TARGET_ARM
1843: if (((CPUARMState *)cpu_env)->eabi)
1844: {
1845: arg2 = arg3;
1846: arg3 = arg4;
1847: }
1848: #endif
1849: return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1850: }
1851: #endif
1852:
1853: static inline void target_to_host_timespec(struct timespec *host_ts,
1854: target_ulong target_addr)
1855: {
1856: struct target_timespec *target_ts;
1857:
1858: lock_user_struct(target_ts, target_addr, 1);
1859: host_ts->tv_sec = tswapl(target_ts->tv_sec);
1860: host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
1861: unlock_user_struct(target_ts, target_addr, 0);
1862: }
1863:
1864: static inline void host_to_target_timespec(target_ulong target_addr,
1865: struct timespec *host_ts)
1866: {
1867: struct target_timespec *target_ts;
1868:
1869: lock_user_struct(target_ts, target_addr, 0);
1870: target_ts->tv_sec = tswapl(host_ts->tv_sec);
1871: target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
1872: unlock_user_struct(target_ts, target_addr, 1);
1873: }
1874:
1.1 root 1875: long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1876: long arg4, long arg5, long arg6)
1877: {
1878: long ret;
1879: struct stat st;
1.1.1.2 root 1880: struct statfs stfs;
1.1.1.3 root 1881: void *p;
1.1 root 1882:
1883: #ifdef DEBUG
1884: gemu_log("syscall %d", num);
1885: #endif
1886: switch(num) {
1887: case TARGET_NR_exit:
1888: #ifdef HAVE_GPROF
1889: _mcleanup();
1890: #endif
1891: gdb_exit(cpu_env, arg1);
1892: /* XXX: should free thread stack and CPU env */
1893: _exit(arg1);
1894: ret = 0; /* avoid warning */
1895: break;
1896: case TARGET_NR_read:
1.1.1.3 root 1897: page_unprotect_range(arg2, arg3);
1898: p = lock_user(arg2, arg3, 0);
1899: ret = get_errno(read(arg1, p, arg3));
1900: unlock_user(p, arg2, ret);
1.1 root 1901: break;
1902: case TARGET_NR_write:
1.1.1.3 root 1903: p = lock_user(arg2, arg3, 1);
1904: ret = get_errno(write(arg1, p, arg3));
1905: unlock_user(p, arg2, 0);
1.1 root 1906: break;
1907: case TARGET_NR_open:
1.1.1.3 root 1908: p = lock_user_string(arg1);
1909: ret = get_errno(open(path(p),
1.1 root 1910: target_to_host_bitmask(arg2, fcntl_flags_tbl),
1911: arg3));
1.1.1.3 root 1912: unlock_user(p, arg1, 0);
1.1 root 1913: break;
1914: case TARGET_NR_close:
1915: ret = get_errno(close(arg1));
1916: break;
1917: case TARGET_NR_brk:
1.1.1.3 root 1918: ret = do_brk(arg1);
1.1 root 1919: break;
1920: case TARGET_NR_fork:
1921: ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1922: break;
1923: case TARGET_NR_waitpid:
1924: {
1.1.1.3 root 1925: int status;
1926: ret = get_errno(waitpid(arg1, &status, arg3));
1927: if (!is_error(ret) && arg2)
1928: tput32(arg2, status);
1.1 root 1929: }
1930: break;
1931: case TARGET_NR_creat:
1.1.1.3 root 1932: p = lock_user_string(arg1);
1933: ret = get_errno(creat(p, arg2));
1934: unlock_user(p, arg1, 0);
1.1 root 1935: break;
1936: case TARGET_NR_link:
1.1.1.3 root 1937: {
1938: void * p2;
1939: p = lock_user_string(arg1);
1940: p2 = lock_user_string(arg2);
1941: ret = get_errno(link(p, p2));
1942: unlock_user(p2, arg2, 0);
1943: unlock_user(p, arg1, 0);
1944: }
1.1 root 1945: break;
1946: case TARGET_NR_unlink:
1.1.1.3 root 1947: p = lock_user_string(arg1);
1948: ret = get_errno(unlink(p));
1949: unlock_user(p, arg1, 0);
1.1 root 1950: break;
1951: case TARGET_NR_execve:
1952: {
1953: char **argp, **envp;
1954: int argc, envc;
1.1.1.3 root 1955: target_ulong gp;
1956: target_ulong guest_argp;
1957: target_ulong guest_envp;
1958: target_ulong addr;
1.1 root 1959: char **q;
1960:
1961: argc = 0;
1.1.1.3 root 1962: guest_argp = arg2;
1963: for (gp = guest_argp; tgetl(gp); gp++)
1.1 root 1964: argc++;
1965: envc = 0;
1.1.1.3 root 1966: guest_envp = arg3;
1967: for (gp = guest_envp; tgetl(gp); gp++)
1.1 root 1968: envc++;
1969:
1970: argp = alloca((argc + 1) * sizeof(void *));
1971: envp = alloca((envc + 1) * sizeof(void *));
1972:
1.1.1.3 root 1973: for (gp = guest_argp, q = argp; ;
1974: gp += sizeof(target_ulong), q++) {
1975: addr = tgetl(gp);
1976: if (!addr)
1977: break;
1978: *q = lock_user_string(addr);
1979: }
1.1 root 1980: *q = NULL;
1981:
1.1.1.3 root 1982: for (gp = guest_envp, q = envp; ;
1983: gp += sizeof(target_ulong), q++) {
1984: addr = tgetl(gp);
1985: if (!addr)
1986: break;
1987: *q = lock_user_string(addr);
1988: }
1.1 root 1989: *q = NULL;
1990:
1.1.1.3 root 1991: p = lock_user_string(arg1);
1992: ret = get_errno(execve(p, argp, envp));
1993: unlock_user(p, arg1, 0);
1994:
1995: for (gp = guest_argp, q = argp; *q;
1996: gp += sizeof(target_ulong), q++) {
1997: addr = tgetl(gp);
1998: unlock_user(*q, addr, 0);
1999: }
2000: for (gp = guest_envp, q = envp; *q;
2001: gp += sizeof(target_ulong), q++) {
2002: addr = tgetl(gp);
2003: unlock_user(*q, addr, 0);
2004: }
1.1 root 2005: }
2006: break;
2007: case TARGET_NR_chdir:
1.1.1.3 root 2008: p = lock_user_string(arg1);
2009: ret = get_errno(chdir(p));
2010: unlock_user(p, arg1, 0);
1.1 root 2011: break;
2012: #ifdef TARGET_NR_time
2013: case TARGET_NR_time:
2014: {
1.1.1.3 root 2015: time_t host_time;
2016: ret = get_errno(time(&host_time));
2017: if (!is_error(ret) && arg1)
2018: tputl(arg1, host_time);
1.1 root 2019: }
2020: break;
2021: #endif
2022: case TARGET_NR_mknod:
1.1.1.3 root 2023: p = lock_user_string(arg1);
2024: ret = get_errno(mknod(p, arg2, arg3));
2025: unlock_user(p, arg1, 0);
1.1 root 2026: break;
2027: case TARGET_NR_chmod:
1.1.1.3 root 2028: p = lock_user_string(arg1);
2029: ret = get_errno(chmod(p, arg2));
2030: unlock_user(p, arg1, 0);
1.1 root 2031: break;
2032: #ifdef TARGET_NR_break
2033: case TARGET_NR_break:
2034: goto unimplemented;
2035: #endif
2036: #ifdef TARGET_NR_oldstat
2037: case TARGET_NR_oldstat:
2038: goto unimplemented;
2039: #endif
2040: case TARGET_NR_lseek:
2041: ret = get_errno(lseek(arg1, arg2, arg3));
2042: break;
2043: case TARGET_NR_getpid:
2044: ret = get_errno(getpid());
2045: break;
2046: case TARGET_NR_mount:
2047: /* need to look at the data field */
2048: goto unimplemented;
2049: case TARGET_NR_umount:
1.1.1.3 root 2050: p = lock_user_string(arg1);
2051: ret = get_errno(umount(p));
2052: unlock_user(p, arg1, 0);
1.1 root 2053: break;
2054: case TARGET_NR_stime:
2055: {
1.1.1.3 root 2056: time_t host_time;
2057: host_time = tgetl(arg1);
2058: ret = get_errno(stime(&host_time));
1.1 root 2059: }
2060: break;
2061: case TARGET_NR_ptrace:
2062: goto unimplemented;
2063: case TARGET_NR_alarm:
2064: ret = alarm(arg1);
2065: break;
2066: #ifdef TARGET_NR_oldfstat
2067: case TARGET_NR_oldfstat:
2068: goto unimplemented;
2069: #endif
2070: case TARGET_NR_pause:
2071: ret = get_errno(pause());
2072: break;
2073: case TARGET_NR_utime:
2074: {
1.1.1.3 root 2075: struct utimbuf tbuf, *host_tbuf;
2076: struct target_utimbuf *target_tbuf;
2077: if (arg2) {
2078: lock_user_struct(target_tbuf, arg2, 1);
2079: tbuf.actime = tswapl(target_tbuf->actime);
2080: tbuf.modtime = tswapl(target_tbuf->modtime);
2081: unlock_user_struct(target_tbuf, arg2, 0);
2082: host_tbuf = &tbuf;
1.1 root 2083: } else {
1.1.1.3 root 2084: host_tbuf = NULL;
1.1 root 2085: }
1.1.1.3 root 2086: p = lock_user_string(arg1);
2087: ret = get_errno(utime(p, host_tbuf));
2088: unlock_user(p, arg1, 0);
1.1 root 2089: }
2090: break;
2091: case TARGET_NR_utimes:
2092: {
2093: struct timeval *tvp, tv[2];
1.1.1.3 root 2094: if (arg2) {
2095: target_to_host_timeval(&tv[0], arg2);
2096: target_to_host_timeval(&tv[1],
2097: arg2 + sizeof (struct target_timeval));
1.1 root 2098: tvp = tv;
2099: } else {
2100: tvp = NULL;
2101: }
1.1.1.3 root 2102: p = lock_user_string(arg1);
2103: ret = get_errno(utimes(p, tvp));
2104: unlock_user(p, arg1, 0);
1.1 root 2105: }
2106: break;
2107: #ifdef TARGET_NR_stty
2108: case TARGET_NR_stty:
2109: goto unimplemented;
2110: #endif
2111: #ifdef TARGET_NR_gtty
2112: case TARGET_NR_gtty:
2113: goto unimplemented;
2114: #endif
2115: case TARGET_NR_access:
1.1.1.3 root 2116: p = lock_user_string(arg1);
2117: ret = get_errno(access(p, arg2));
2118: unlock_user(p, arg1, 0);
1.1 root 2119: break;
2120: case TARGET_NR_nice:
2121: ret = get_errno(nice(arg1));
2122: break;
2123: #ifdef TARGET_NR_ftime
2124: case TARGET_NR_ftime:
2125: goto unimplemented;
2126: #endif
2127: case TARGET_NR_sync:
2128: sync();
2129: ret = 0;
2130: break;
2131: case TARGET_NR_kill:
2132: ret = get_errno(kill(arg1, arg2));
2133: break;
2134: case TARGET_NR_rename:
1.1.1.3 root 2135: {
2136: void *p2;
2137: p = lock_user_string(arg1);
2138: p2 = lock_user_string(arg2);
2139: ret = get_errno(rename(p, p2));
2140: unlock_user(p2, arg2, 0);
2141: unlock_user(p, arg1, 0);
2142: }
1.1 root 2143: break;
2144: case TARGET_NR_mkdir:
1.1.1.3 root 2145: p = lock_user_string(arg1);
2146: ret = get_errno(mkdir(p, arg2));
2147: unlock_user(p, arg1, 0);
1.1 root 2148: break;
2149: case TARGET_NR_rmdir:
1.1.1.3 root 2150: p = lock_user_string(arg1);
2151: ret = get_errno(rmdir(p));
2152: unlock_user(p, arg1, 0);
1.1 root 2153: break;
2154: case TARGET_NR_dup:
2155: ret = get_errno(dup(arg1));
2156: break;
2157: case TARGET_NR_pipe:
2158: {
1.1.1.3 root 2159: int host_pipe[2];
2160: ret = get_errno(pipe(host_pipe));
1.1 root 2161: if (!is_error(ret)) {
1.1.1.3 root 2162: tput32(arg1, host_pipe[0]);
2163: tput32(arg1 + 4, host_pipe[1]);
1.1 root 2164: }
2165: }
2166: break;
2167: case TARGET_NR_times:
2168: {
1.1.1.3 root 2169: struct target_tms *tmsp;
1.1 root 2170: struct tms tms;
2171: ret = get_errno(times(&tms));
1.1.1.3 root 2172: if (arg1) {
2173: tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
1.1 root 2174: tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2175: tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2176: tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2177: tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
2178: }
2179: if (!is_error(ret))
2180: ret = host_to_target_clock_t(ret);
2181: }
2182: break;
2183: #ifdef TARGET_NR_prof
2184: case TARGET_NR_prof:
2185: goto unimplemented;
2186: #endif
2187: case TARGET_NR_signal:
2188: goto unimplemented;
2189:
2190: case TARGET_NR_acct:
1.1.1.3 root 2191: p = lock_user_string(arg1);
2192: ret = get_errno(acct(path(p)));
2193: unlock_user(p, arg1, 0);
2194: break;
1.1 root 2195: case TARGET_NR_umount2:
1.1.1.3 root 2196: p = lock_user_string(arg1);
2197: ret = get_errno(umount2(p, arg2));
2198: unlock_user(p, arg1, 0);
1.1 root 2199: break;
2200: #ifdef TARGET_NR_lock
2201: case TARGET_NR_lock:
2202: goto unimplemented;
2203: #endif
2204: case TARGET_NR_ioctl:
2205: ret = do_ioctl(arg1, arg2, arg3);
2206: break;
2207: case TARGET_NR_fcntl:
2208: ret = get_errno(do_fcntl(arg1, arg2, arg3));
2209: break;
2210: #ifdef TARGET_NR_mpx
2211: case TARGET_NR_mpx:
2212: goto unimplemented;
2213: #endif
2214: case TARGET_NR_setpgid:
2215: ret = get_errno(setpgid(arg1, arg2));
2216: break;
2217: #ifdef TARGET_NR_ulimit
2218: case TARGET_NR_ulimit:
2219: goto unimplemented;
2220: #endif
2221: #ifdef TARGET_NR_oldolduname
2222: case TARGET_NR_oldolduname:
2223: goto unimplemented;
2224: #endif
2225: case TARGET_NR_umask:
2226: ret = get_errno(umask(arg1));
2227: break;
2228: case TARGET_NR_chroot:
1.1.1.3 root 2229: p = lock_user_string(arg1);
2230: ret = get_errno(chroot(p));
2231: unlock_user(p, arg1, 0);
1.1 root 2232: break;
2233: case TARGET_NR_ustat:
2234: goto unimplemented;
2235: case TARGET_NR_dup2:
2236: ret = get_errno(dup2(arg1, arg2));
2237: break;
2238: case TARGET_NR_getppid:
2239: ret = get_errno(getppid());
2240: break;
2241: case TARGET_NR_getpgrp:
2242: ret = get_errno(getpgrp());
2243: break;
2244: case TARGET_NR_setsid:
2245: ret = get_errno(setsid());
2246: break;
2247: case TARGET_NR_sigaction:
2248: {
1.1.1.4 ! root 2249: #if !defined(TARGET_MIPS)
1.1.1.3 root 2250: struct target_old_sigaction *old_act;
1.1 root 2251: struct target_sigaction act, oact, *pact;
1.1.1.3 root 2252: if (arg2) {
2253: lock_user_struct(old_act, arg2, 1);
1.1 root 2254: act._sa_handler = old_act->_sa_handler;
2255: target_siginitset(&act.sa_mask, old_act->sa_mask);
2256: act.sa_flags = old_act->sa_flags;
2257: act.sa_restorer = old_act->sa_restorer;
1.1.1.3 root 2258: unlock_user_struct(old_act, arg2, 0);
1.1 root 2259: pact = &act;
2260: } else {
2261: pact = NULL;
2262: }
2263: ret = get_errno(do_sigaction(arg1, pact, &oact));
1.1.1.3 root 2264: if (!is_error(ret) && arg3) {
2265: lock_user_struct(old_act, arg3, 0);
2266: old_act->_sa_handler = oact._sa_handler;
2267: old_act->sa_mask = oact.sa_mask.sig[0];
2268: old_act->sa_flags = oact.sa_flags;
2269: old_act->sa_restorer = oact.sa_restorer;
2270: unlock_user_struct(old_act, arg3, 1);
1.1 root 2271: }
1.1.1.4 ! root 2272: #else
! 2273: struct target_sigaction act, oact, *pact, *old_act;
! 2274:
! 2275: if (arg2) {
! 2276: lock_user_struct(old_act, arg2, 1);
! 2277: act._sa_handler = old_act->_sa_handler;
! 2278: target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
! 2279: act.sa_flags = old_act->sa_flags;
! 2280: unlock_user_struct(old_act, arg2, 0);
! 2281: pact = &act;
! 2282: } else {
! 2283: pact = NULL;
! 2284: }
! 2285:
! 2286: ret = get_errno(do_sigaction(arg1, pact, &oact));
! 2287:
! 2288: if (!is_error(ret) && arg3) {
! 2289: lock_user_struct(old_act, arg3, 0);
! 2290: old_act->_sa_handler = oact._sa_handler;
! 2291: old_act->sa_flags = oact.sa_flags;
! 2292: old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
! 2293: old_act->sa_mask.sig[1] = 0;
! 2294: old_act->sa_mask.sig[2] = 0;
! 2295: old_act->sa_mask.sig[3] = 0;
! 2296: unlock_user_struct(old_act, arg3, 1);
! 2297: }
! 2298: #endif
1.1 root 2299: }
2300: break;
2301: case TARGET_NR_rt_sigaction:
1.1.1.3 root 2302: {
2303: struct target_sigaction *act;
2304: struct target_sigaction *oact;
2305:
2306: if (arg2)
2307: lock_user_struct(act, arg2, 1);
2308: else
2309: act = NULL;
2310: if (arg3)
2311: lock_user_struct(oact, arg3, 0);
2312: else
2313: oact = NULL;
2314: ret = get_errno(do_sigaction(arg1, act, oact));
2315: if (arg2)
2316: unlock_user_struct(act, arg2, 0);
2317: if (arg3)
2318: unlock_user_struct(oact, arg3, 1);
2319: }
1.1 root 2320: break;
2321: case TARGET_NR_sgetmask:
2322: {
2323: sigset_t cur_set;
2324: target_ulong target_set;
2325: sigprocmask(0, NULL, &cur_set);
2326: host_to_target_old_sigset(&target_set, &cur_set);
2327: ret = target_set;
2328: }
2329: break;
2330: case TARGET_NR_ssetmask:
2331: {
2332: sigset_t set, oset, cur_set;
2333: target_ulong target_set = arg1;
2334: sigprocmask(0, NULL, &cur_set);
2335: target_to_host_old_sigset(&set, &target_set);
2336: sigorset(&set, &set, &cur_set);
2337: sigprocmask(SIG_SETMASK, &set, &oset);
2338: host_to_target_old_sigset(&target_set, &oset);
2339: ret = target_set;
2340: }
2341: break;
2342: case TARGET_NR_sigprocmask:
2343: {
2344: int how = arg1;
2345: sigset_t set, oldset, *set_ptr;
2346:
1.1.1.3 root 2347: if (arg2) {
1.1 root 2348: switch(how) {
2349: case TARGET_SIG_BLOCK:
2350: how = SIG_BLOCK;
2351: break;
2352: case TARGET_SIG_UNBLOCK:
2353: how = SIG_UNBLOCK;
2354: break;
2355: case TARGET_SIG_SETMASK:
2356: how = SIG_SETMASK;
2357: break;
2358: default:
2359: ret = -EINVAL;
2360: goto fail;
2361: }
1.1.1.3 root 2362: p = lock_user(arg2, sizeof(target_sigset_t), 1);
2363: target_to_host_old_sigset(&set, p);
2364: unlock_user(p, arg2, 0);
1.1 root 2365: set_ptr = &set;
2366: } else {
2367: how = 0;
2368: set_ptr = NULL;
2369: }
2370: ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1.1.1.3 root 2371: if (!is_error(ret) && arg3) {
2372: p = lock_user(arg3, sizeof(target_sigset_t), 0);
2373: host_to_target_old_sigset(p, &oldset);
2374: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 2375: }
2376: }
2377: break;
2378: case TARGET_NR_rt_sigprocmask:
2379: {
2380: int how = arg1;
2381: sigset_t set, oldset, *set_ptr;
2382:
1.1.1.3 root 2383: if (arg2) {
1.1 root 2384: switch(how) {
2385: case TARGET_SIG_BLOCK:
2386: how = SIG_BLOCK;
2387: break;
2388: case TARGET_SIG_UNBLOCK:
2389: how = SIG_UNBLOCK;
2390: break;
2391: case TARGET_SIG_SETMASK:
2392: how = SIG_SETMASK;
2393: break;
2394: default:
2395: ret = -EINVAL;
2396: goto fail;
2397: }
1.1.1.3 root 2398: p = lock_user(arg2, sizeof(target_sigset_t), 1);
2399: target_to_host_sigset(&set, p);
2400: unlock_user(p, arg2, 0);
1.1 root 2401: set_ptr = &set;
2402: } else {
2403: how = 0;
2404: set_ptr = NULL;
2405: }
2406: ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1.1.1.3 root 2407: if (!is_error(ret) && arg3) {
2408: p = lock_user(arg3, sizeof(target_sigset_t), 0);
2409: host_to_target_sigset(p, &oldset);
2410: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 2411: }
2412: }
2413: break;
2414: case TARGET_NR_sigpending:
2415: {
2416: sigset_t set;
2417: ret = get_errno(sigpending(&set));
2418: if (!is_error(ret)) {
1.1.1.3 root 2419: p = lock_user(arg1, sizeof(target_sigset_t), 0);
2420: host_to_target_old_sigset(p, &set);
2421: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 2422: }
2423: }
2424: break;
2425: case TARGET_NR_rt_sigpending:
2426: {
2427: sigset_t set;
2428: ret = get_errno(sigpending(&set));
2429: if (!is_error(ret)) {
1.1.1.3 root 2430: p = lock_user(arg1, sizeof(target_sigset_t), 0);
2431: host_to_target_sigset(p, &set);
2432: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 2433: }
2434: }
2435: break;
2436: case TARGET_NR_sigsuspend:
2437: {
2438: sigset_t set;
1.1.1.3 root 2439: p = lock_user(arg1, sizeof(target_sigset_t), 1);
2440: target_to_host_old_sigset(&set, p);
2441: unlock_user(p, arg1, 0);
1.1 root 2442: ret = get_errno(sigsuspend(&set));
2443: }
2444: break;
2445: case TARGET_NR_rt_sigsuspend:
2446: {
2447: sigset_t set;
1.1.1.3 root 2448: p = lock_user(arg1, sizeof(target_sigset_t), 1);
2449: target_to_host_sigset(&set, p);
2450: unlock_user(p, arg1, 0);
1.1 root 2451: ret = get_errno(sigsuspend(&set));
2452: }
2453: break;
2454: case TARGET_NR_rt_sigtimedwait:
2455: {
2456: sigset_t set;
2457: struct timespec uts, *puts;
2458: siginfo_t uinfo;
2459:
1.1.1.3 root 2460: p = lock_user(arg1, sizeof(target_sigset_t), 1);
2461: target_to_host_sigset(&set, p);
2462: unlock_user(p, arg1, 0);
2463: if (arg3) {
1.1 root 2464: puts = &uts;
1.1.1.3 root 2465: target_to_host_timespec(puts, arg3);
1.1 root 2466: } else {
2467: puts = NULL;
2468: }
2469: ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1.1.1.3 root 2470: if (!is_error(ret) && arg2) {
2471: p = lock_user(arg2, sizeof(target_sigset_t), 0);
2472: host_to_target_siginfo(p, &uinfo);
2473: unlock_user(p, arg2, sizeof(target_sigset_t));
1.1 root 2474: }
2475: }
2476: break;
2477: case TARGET_NR_rt_sigqueueinfo:
2478: {
2479: siginfo_t uinfo;
1.1.1.3 root 2480: p = lock_user(arg3, sizeof(target_sigset_t), 1);
2481: target_to_host_siginfo(&uinfo, p);
2482: unlock_user(p, arg1, 0);
1.1 root 2483: ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2484: }
2485: break;
2486: case TARGET_NR_sigreturn:
2487: /* NOTE: ret is eax, so not transcoding must be done */
2488: ret = do_sigreturn(cpu_env);
2489: break;
2490: case TARGET_NR_rt_sigreturn:
2491: /* NOTE: ret is eax, so not transcoding must be done */
2492: ret = do_rt_sigreturn(cpu_env);
2493: break;
2494: case TARGET_NR_sethostname:
1.1.1.3 root 2495: p = lock_user_string(arg1);
2496: ret = get_errno(sethostname(p, arg2));
2497: unlock_user(p, arg1, 0);
1.1 root 2498: break;
2499: case TARGET_NR_setrlimit:
2500: {
2501: /* XXX: convert resource ? */
2502: int resource = arg1;
1.1.1.3 root 2503: struct target_rlimit *target_rlim;
1.1 root 2504: struct rlimit rlim;
1.1.1.3 root 2505: lock_user_struct(target_rlim, arg2, 1);
1.1 root 2506: rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2507: rlim.rlim_max = tswapl(target_rlim->rlim_max);
1.1.1.3 root 2508: unlock_user_struct(target_rlim, arg2, 0);
1.1 root 2509: ret = get_errno(setrlimit(resource, &rlim));
2510: }
2511: break;
2512: case TARGET_NR_getrlimit:
2513: {
2514: /* XXX: convert resource ? */
2515: int resource = arg1;
1.1.1.3 root 2516: struct target_rlimit *target_rlim;
1.1 root 2517: struct rlimit rlim;
2518:
2519: ret = get_errno(getrlimit(resource, &rlim));
2520: if (!is_error(ret)) {
1.1.1.3 root 2521: lock_user_struct(target_rlim, arg2, 0);
2522: rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2523: rlim.rlim_max = tswapl(target_rlim->rlim_max);
2524: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 2525: }
2526: }
2527: break;
2528: case TARGET_NR_getrusage:
2529: {
2530: struct rusage rusage;
2531: ret = get_errno(getrusage(arg1, &rusage));
2532: if (!is_error(ret)) {
1.1.1.3 root 2533: host_to_target_rusage(arg2, &rusage);
1.1 root 2534: }
2535: }
2536: break;
2537: case TARGET_NR_gettimeofday:
2538: {
2539: struct timeval tv;
2540: ret = get_errno(gettimeofday(&tv, NULL));
2541: if (!is_error(ret)) {
1.1.1.3 root 2542: host_to_target_timeval(arg1, &tv);
1.1 root 2543: }
2544: }
2545: break;
2546: case TARGET_NR_settimeofday:
2547: {
2548: struct timeval tv;
1.1.1.3 root 2549: target_to_host_timeval(&tv, arg1);
1.1 root 2550: ret = get_errno(settimeofday(&tv, NULL));
2551: }
2552: break;
1.1.1.2 root 2553: #ifdef TARGET_NR_select
1.1 root 2554: case TARGET_NR_select:
2555: {
1.1.1.3 root 2556: struct target_sel_arg_struct *sel;
2557: target_ulong inp, outp, exp, tvp;
2558: long nsel;
2559:
2560: lock_user_struct(sel, arg1, 1);
2561: nsel = tswapl(sel->n);
2562: inp = tswapl(sel->inp);
2563: outp = tswapl(sel->outp);
2564: exp = tswapl(sel->exp);
2565: tvp = tswapl(sel->tvp);
2566: unlock_user_struct(sel, arg1, 0);
2567: ret = do_select(nsel, inp, outp, exp, tvp);
1.1 root 2568: }
2569: break;
1.1.1.2 root 2570: #endif
1.1 root 2571: case TARGET_NR_symlink:
1.1.1.3 root 2572: {
2573: void *p2;
2574: p = lock_user_string(arg1);
2575: p2 = lock_user_string(arg2);
2576: ret = get_errno(symlink(p, p2));
2577: unlock_user(p2, arg2, 0);
2578: unlock_user(p, arg1, 0);
2579: }
1.1 root 2580: break;
2581: #ifdef TARGET_NR_oldlstat
2582: case TARGET_NR_oldlstat:
2583: goto unimplemented;
2584: #endif
2585: case TARGET_NR_readlink:
1.1.1.3 root 2586: {
2587: void *p2;
2588: p = lock_user_string(arg1);
2589: p2 = lock_user(arg2, arg3, 0);
2590: ret = get_errno(readlink(path(p), p2, arg3));
2591: unlock_user(p2, arg2, ret);
2592: unlock_user(p, arg1, 0);
2593: }
1.1 root 2594: break;
2595: case TARGET_NR_uselib:
2596: goto unimplemented;
2597: case TARGET_NR_swapon:
1.1.1.3 root 2598: p = lock_user_string(arg1);
2599: ret = get_errno(swapon(p, arg2));
2600: unlock_user(p, arg1, 0);
1.1 root 2601: break;
2602: case TARGET_NR_reboot:
2603: goto unimplemented;
2604: case TARGET_NR_readdir:
2605: goto unimplemented;
2606: case TARGET_NR_mmap:
2607: #if defined(TARGET_I386) || defined(TARGET_ARM)
2608: {
1.1.1.3 root 2609: target_ulong *v;
2610: target_ulong v1, v2, v3, v4, v5, v6;
2611: v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2612: v1 = tswapl(v[0]);
2613: v2 = tswapl(v[1]);
2614: v3 = tswapl(v[2]);
2615: v4 = tswapl(v[3]);
2616: v5 = tswapl(v[4]);
2617: v6 = tswapl(v[5]);
2618: unlock_user(v, arg1, 0);
1.1 root 2619: ret = get_errno(target_mmap(v1, v2, v3,
2620: target_to_host_bitmask(v4, mmap_flags_tbl),
2621: v5, v6));
2622: }
2623: #else
2624: ret = get_errno(target_mmap(arg1, arg2, arg3,
2625: target_to_host_bitmask(arg4, mmap_flags_tbl),
2626: arg5,
2627: arg6));
2628: #endif
2629: break;
2630: #ifdef TARGET_NR_mmap2
2631: case TARGET_NR_mmap2:
2632: #if defined(TARGET_SPARC)
2633: #define MMAP_SHIFT 12
2634: #else
2635: #define MMAP_SHIFT TARGET_PAGE_BITS
2636: #endif
2637: ret = get_errno(target_mmap(arg1, arg2, arg3,
2638: target_to_host_bitmask(arg4, mmap_flags_tbl),
2639: arg5,
2640: arg6 << MMAP_SHIFT));
2641: break;
2642: #endif
2643: case TARGET_NR_munmap:
2644: ret = get_errno(target_munmap(arg1, arg2));
2645: break;
2646: case TARGET_NR_mprotect:
2647: ret = get_errno(target_mprotect(arg1, arg2, arg3));
2648: break;
2649: case TARGET_NR_mremap:
2650: ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2651: break;
1.1.1.3 root 2652: /* ??? msync/mlock/munlock are broken for softmmu. */
1.1 root 2653: case TARGET_NR_msync:
1.1.1.3 root 2654: ret = get_errno(msync(g2h(arg1), arg2, arg3));
1.1 root 2655: break;
2656: case TARGET_NR_mlock:
1.1.1.3 root 2657: ret = get_errno(mlock(g2h(arg1), arg2));
1.1 root 2658: break;
2659: case TARGET_NR_munlock:
1.1.1.3 root 2660: ret = get_errno(munlock(g2h(arg1), arg2));
1.1 root 2661: break;
2662: case TARGET_NR_mlockall:
2663: ret = get_errno(mlockall(arg1));
2664: break;
2665: case TARGET_NR_munlockall:
2666: ret = get_errno(munlockall());
2667: break;
2668: case TARGET_NR_truncate:
1.1.1.3 root 2669: p = lock_user_string(arg1);
2670: ret = get_errno(truncate(p, arg2));
2671: unlock_user(p, arg1, 0);
1.1 root 2672: break;
2673: case TARGET_NR_ftruncate:
2674: ret = get_errno(ftruncate(arg1, arg2));
2675: break;
2676: case TARGET_NR_fchmod:
2677: ret = get_errno(fchmod(arg1, arg2));
2678: break;
2679: case TARGET_NR_getpriority:
2680: ret = get_errno(getpriority(arg1, arg2));
2681: break;
2682: case TARGET_NR_setpriority:
2683: ret = get_errno(setpriority(arg1, arg2, arg3));
2684: break;
2685: #ifdef TARGET_NR_profil
2686: case TARGET_NR_profil:
2687: goto unimplemented;
2688: #endif
2689: case TARGET_NR_statfs:
1.1.1.3 root 2690: p = lock_user_string(arg1);
2691: ret = get_errno(statfs(path(p), &stfs));
2692: unlock_user(p, arg1, 0);
1.1 root 2693: convert_statfs:
2694: if (!is_error(ret)) {
1.1.1.3 root 2695: struct target_statfs *target_stfs;
1.1.1.2 root 2696:
1.1.1.3 root 2697: lock_user_struct(target_stfs, arg2, 0);
2698: /* ??? put_user is probably wrong. */
1.1.1.2 root 2699: put_user(stfs.f_type, &target_stfs->f_type);
2700: put_user(stfs.f_bsize, &target_stfs->f_bsize);
2701: put_user(stfs.f_blocks, &target_stfs->f_blocks);
2702: put_user(stfs.f_bfree, &target_stfs->f_bfree);
2703: put_user(stfs.f_bavail, &target_stfs->f_bavail);
2704: put_user(stfs.f_files, &target_stfs->f_files);
2705: put_user(stfs.f_ffree, &target_stfs->f_ffree);
2706: put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2707: put_user(stfs.f_namelen, &target_stfs->f_namelen);
1.1.1.3 root 2708: unlock_user_struct(target_stfs, arg2, 1);
1.1 root 2709: }
2710: break;
2711: case TARGET_NR_fstatfs:
1.1.1.2 root 2712: ret = get_errno(fstatfs(arg1, &stfs));
1.1 root 2713: goto convert_statfs;
1.1.1.2 root 2714: #ifdef TARGET_NR_statfs64
2715: case TARGET_NR_statfs64:
1.1.1.3 root 2716: p = lock_user_string(arg1);
2717: ret = get_errno(statfs(path(p), &stfs));
2718: unlock_user(p, arg1, 0);
1.1.1.2 root 2719: convert_statfs64:
2720: if (!is_error(ret)) {
1.1.1.3 root 2721: struct target_statfs64 *target_stfs;
2722:
2723: lock_user_struct(target_stfs, arg3, 0);
2724: /* ??? put_user is probably wrong. */
1.1.1.2 root 2725: put_user(stfs.f_type, &target_stfs->f_type);
2726: put_user(stfs.f_bsize, &target_stfs->f_bsize);
2727: put_user(stfs.f_blocks, &target_stfs->f_blocks);
2728: put_user(stfs.f_bfree, &target_stfs->f_bfree);
2729: put_user(stfs.f_bavail, &target_stfs->f_bavail);
2730: put_user(stfs.f_files, &target_stfs->f_files);
2731: put_user(stfs.f_ffree, &target_stfs->f_ffree);
2732: put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2733: put_user(stfs.f_namelen, &target_stfs->f_namelen);
1.1.1.3 root 2734: unlock_user_struct(target_stfs, arg3, 0);
1.1.1.2 root 2735: }
2736: break;
2737: case TARGET_NR_fstatfs64:
2738: ret = get_errno(fstatfs(arg1, &stfs));
2739: goto convert_statfs64;
2740: #endif
1.1 root 2741: #ifdef TARGET_NR_ioperm
2742: case TARGET_NR_ioperm:
2743: goto unimplemented;
2744: #endif
2745: case TARGET_NR_socketcall:
1.1.1.3 root 2746: ret = do_socketcall(arg1, arg2);
1.1 root 2747: break;
1.1.1.4 ! root 2748:
! 2749: #ifdef TARGET_NR_accept
! 2750: case TARGET_NR_accept:
! 2751: ret = do_socketcallwrapper(SOCKOP_accept, arg1, arg2, arg3, arg4, arg5, arg6);
! 2752: break;
! 2753: #endif
! 2754: #ifdef TARGET_NR_bind
! 2755: case TARGET_NR_bind:
! 2756: ret = do_bind(arg1, arg2, arg3);
! 2757: break;
! 2758: #endif
! 2759: #ifdef TARGET_NR_connect
! 2760: case TARGET_NR_connect:
! 2761: ret = do_connect(arg1, arg2, arg3);
! 2762: break;
! 2763: #endif
! 2764: #ifdef TARGET_NR_getpeername
! 2765: case TARGET_NR_getpeername:
! 2766: ret = do_socketcallwrapper(SOCKOP_getpeername, arg1, arg2, arg3, arg4, arg5, arg6);
! 2767: break;
! 2768: #endif
! 2769: #ifdef TARGET_NR_getsockname
! 2770: case TARGET_NR_getsockname:
! 2771: ret = do_socketcallwrapper(SOCKOP_getsockname, arg1, arg2, arg3, arg4, arg5, arg6);
! 2772: break;
! 2773: #endif
! 2774: #ifdef TARGET_NR_getsockopt
! 2775: case TARGET_NR_getsockopt:
! 2776: ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
! 2777: break;
! 2778: #endif
! 2779: #ifdef TARGET_NR_listen
! 2780: case TARGET_NR_listen:
! 2781: ret = do_socketcallwrapper(SOCKOP_listen, arg1, arg2, arg3, arg4, arg5, arg6);
! 2782: break;
! 2783: #endif
! 2784: #ifdef TARGET_NR_recv
! 2785: case TARGET_NR_recv:
! 2786: ret = do_socketcallwrapper(SOCKOP_recv, arg1, arg2, arg3, arg4, arg5, arg6);
! 2787: break;
! 2788: #endif
! 2789: #ifdef TARGET_NR_recvfrom
! 2790: case TARGET_NR_recvfrom:
! 2791: ret = do_socketcallwrapper(SOCKOP_recvfrom, arg1, arg2, arg3, arg4, arg5, arg6);
! 2792: break;
! 2793: #endif
! 2794: #ifdef TARGET_NR_recvmsg
! 2795: case TARGET_NR_recvmsg:
! 2796: ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
! 2797: break;
! 2798: #endif
! 2799: #ifdef TARGET_NR_send
! 2800: case TARGET_NR_send:
! 2801: ret = do_socketcallwrapper(SOCKOP_send, arg1, arg2, arg3, arg4, arg5, arg6);
! 2802: break;
! 2803: #endif
! 2804: #ifdef TARGET_NR_sendmsg
! 2805: case TARGET_NR_sendmsg:
! 2806: ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
! 2807: break;
! 2808: #endif
! 2809: #ifdef TARGET_NR_sendto
! 2810: case TARGET_NR_sendto:
! 2811: ret = do_socketcallwrapper(SOCKOP_sendto, arg1, arg2, arg3, arg4, arg5, arg6);
! 2812: break;
! 2813: #endif
! 2814: #ifdef TARGET_NR_shutdown
! 2815: case TARGET_NR_shutdown:
! 2816: ret = do_socketcallwrapper(SOCKOP_shutdown, arg1, arg2, arg3, arg4, arg5, arg6);
! 2817: break;
! 2818: #endif
! 2819: #ifdef TARGET_NR_socket
! 2820: case TARGET_NR_socket:
! 2821: ret = do_socket(arg1, arg2, arg3);
! 2822: break;
! 2823: #endif
! 2824: #ifdef TARGET_NR_socketpair
! 2825: case TARGET_NR_socketpair:
! 2826: ret = do_socketcallwrapper(SOCKOP_socketpair, arg1, arg2, arg3, arg4, arg5, arg6);
! 2827: break;
! 2828: #endif
! 2829: #ifdef TARGET_NR_setsockopt
! 2830: case TARGET_NR_setsockopt:
! 2831: ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
! 2832: break;
! 2833: #endif
! 2834:
1.1 root 2835: case TARGET_NR_syslog:
2836: goto unimplemented;
2837: case TARGET_NR_setitimer:
2838: {
2839: struct itimerval value, ovalue, *pvalue;
2840:
1.1.1.3 root 2841: if (arg2) {
1.1 root 2842: pvalue = &value;
2843: target_to_host_timeval(&pvalue->it_interval,
1.1.1.3 root 2844: arg2);
1.1 root 2845: target_to_host_timeval(&pvalue->it_value,
1.1.1.3 root 2846: arg2 + sizeof(struct target_timeval));
1.1 root 2847: } else {
2848: pvalue = NULL;
2849: }
2850: ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1.1.1.3 root 2851: if (!is_error(ret) && arg3) {
2852: host_to_target_timeval(arg3,
1.1 root 2853: &ovalue.it_interval);
1.1.1.3 root 2854: host_to_target_timeval(arg3 + sizeof(struct target_timeval),
1.1 root 2855: &ovalue.it_value);
2856: }
2857: }
2858: break;
2859: case TARGET_NR_getitimer:
2860: {
2861: struct itimerval value;
2862:
2863: ret = get_errno(getitimer(arg1, &value));
1.1.1.3 root 2864: if (!is_error(ret) && arg2) {
2865: host_to_target_timeval(arg2,
1.1 root 2866: &value.it_interval);
1.1.1.3 root 2867: host_to_target_timeval(arg2 + sizeof(struct target_timeval),
1.1 root 2868: &value.it_value);
2869: }
2870: }
2871: break;
2872: case TARGET_NR_stat:
1.1.1.3 root 2873: p = lock_user_string(arg1);
2874: ret = get_errno(stat(path(p), &st));
2875: unlock_user(p, arg1, 0);
1.1 root 2876: goto do_stat;
2877: case TARGET_NR_lstat:
1.1.1.3 root 2878: p = lock_user_string(arg1);
2879: ret = get_errno(lstat(path(p), &st));
2880: unlock_user(p, arg1, 0);
1.1 root 2881: goto do_stat;
2882: case TARGET_NR_fstat:
2883: {
2884: ret = get_errno(fstat(arg1, &st));
2885: do_stat:
2886: if (!is_error(ret)) {
1.1.1.3 root 2887: struct target_stat *target_st;
2888:
2889: lock_user_struct(target_st, arg2, 0);
1.1 root 2890: target_st->st_dev = tswap16(st.st_dev);
2891: target_st->st_ino = tswapl(st.st_ino);
2892: #if defined(TARGET_PPC)
2893: target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
2894: target_st->st_uid = tswap32(st.st_uid);
2895: target_st->st_gid = tswap32(st.st_gid);
2896: #else
2897: target_st->st_mode = tswap16(st.st_mode);
2898: target_st->st_uid = tswap16(st.st_uid);
2899: target_st->st_gid = tswap16(st.st_gid);
2900: #endif
2901: target_st->st_nlink = tswap16(st.st_nlink);
2902: target_st->st_rdev = tswap16(st.st_rdev);
2903: target_st->st_size = tswapl(st.st_size);
2904: target_st->st_blksize = tswapl(st.st_blksize);
2905: target_st->st_blocks = tswapl(st.st_blocks);
2906: target_st->target_st_atime = tswapl(st.st_atime);
2907: target_st->target_st_mtime = tswapl(st.st_mtime);
2908: target_st->target_st_ctime = tswapl(st.st_ctime);
1.1.1.3 root 2909: unlock_user_struct(target_st, arg2, 1);
1.1 root 2910: }
2911: }
2912: break;
2913: #ifdef TARGET_NR_olduname
2914: case TARGET_NR_olduname:
2915: goto unimplemented;
2916: #endif
2917: #ifdef TARGET_NR_iopl
2918: case TARGET_NR_iopl:
2919: goto unimplemented;
2920: #endif
2921: case TARGET_NR_vhangup:
2922: ret = get_errno(vhangup());
2923: break;
2924: #ifdef TARGET_NR_idle
2925: case TARGET_NR_idle:
2926: goto unimplemented;
2927: #endif
2928: #ifdef TARGET_NR_syscall
2929: case TARGET_NR_syscall:
2930: ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
2931: break;
2932: #endif
2933: case TARGET_NR_wait4:
2934: {
2935: int status;
1.1.1.3 root 2936: target_long status_ptr = arg2;
1.1 root 2937: struct rusage rusage, *rusage_ptr;
1.1.1.3 root 2938: target_ulong target_rusage = arg4;
1.1 root 2939: if (target_rusage)
2940: rusage_ptr = &rusage;
2941: else
2942: rusage_ptr = NULL;
2943: ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
2944: if (!is_error(ret)) {
2945: if (status_ptr)
1.1.1.3 root 2946: tputl(status_ptr, status);
1.1 root 2947: if (target_rusage) {
2948: host_to_target_rusage(target_rusage, &rusage);
2949: }
2950: }
2951: }
2952: break;
2953: case TARGET_NR_swapoff:
1.1.1.3 root 2954: p = lock_user_string(arg1);
2955: ret = get_errno(swapoff(p));
2956: unlock_user(p, arg1, 0);
1.1 root 2957: break;
2958: case TARGET_NR_sysinfo:
2959: {
1.1.1.3 root 2960: struct target_sysinfo *target_value;
1.1 root 2961: struct sysinfo value;
2962: ret = get_errno(sysinfo(&value));
1.1.1.3 root 2963: if (!is_error(ret) && arg1)
1.1 root 2964: {
1.1.1.3 root 2965: /* ??? __put_user is probably wrong. */
2966: lock_user_struct(target_value, arg1, 0);
1.1 root 2967: __put_user(value.uptime, &target_value->uptime);
2968: __put_user(value.loads[0], &target_value->loads[0]);
2969: __put_user(value.loads[1], &target_value->loads[1]);
2970: __put_user(value.loads[2], &target_value->loads[2]);
2971: __put_user(value.totalram, &target_value->totalram);
2972: __put_user(value.freeram, &target_value->freeram);
2973: __put_user(value.sharedram, &target_value->sharedram);
2974: __put_user(value.bufferram, &target_value->bufferram);
2975: __put_user(value.totalswap, &target_value->totalswap);
2976: __put_user(value.freeswap, &target_value->freeswap);
2977: __put_user(value.procs, &target_value->procs);
2978: __put_user(value.totalhigh, &target_value->totalhigh);
2979: __put_user(value.freehigh, &target_value->freehigh);
2980: __put_user(value.mem_unit, &target_value->mem_unit);
1.1.1.3 root 2981: unlock_user_struct(target_value, arg1, 1);
1.1 root 2982: }
2983: }
2984: break;
2985: case TARGET_NR_ipc:
2986: ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
2987: break;
2988: case TARGET_NR_fsync:
2989: ret = get_errno(fsync(arg1));
2990: break;
2991: case TARGET_NR_clone:
2992: ret = get_errno(do_fork(cpu_env, arg1, arg2));
2993: break;
2994: #ifdef __NR_exit_group
2995: /* new thread calls */
2996: case TARGET_NR_exit_group:
2997: gdb_exit(cpu_env, arg1);
2998: ret = get_errno(exit_group(arg1));
2999: break;
3000: #endif
3001: case TARGET_NR_setdomainname:
1.1.1.3 root 3002: p = lock_user_string(arg1);
3003: ret = get_errno(setdomainname(p, arg2));
3004: unlock_user(p, arg1, 0);
1.1 root 3005: break;
3006: case TARGET_NR_uname:
3007: /* no need to transcode because we use the linux syscall */
3008: {
3009: struct new_utsname * buf;
3010:
1.1.1.3 root 3011: lock_user_struct(buf, arg1, 0);
1.1 root 3012: ret = get_errno(sys_uname(buf));
3013: if (!is_error(ret)) {
3014: /* Overrite the native machine name with whatever is being
3015: emulated. */
3016: strcpy (buf->machine, UNAME_MACHINE);
1.1.1.4 ! root 3017: /* Allow the user to override the reported release. */
! 3018: if (qemu_uname_release && *qemu_uname_release)
! 3019: strcpy (buf->release, qemu_uname_release);
1.1 root 3020: }
1.1.1.3 root 3021: unlock_user_struct(buf, arg1, 1);
1.1 root 3022: }
3023: break;
3024: #ifdef TARGET_I386
3025: case TARGET_NR_modify_ldt:
1.1.1.3 root 3026: ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
1.1 root 3027: break;
3028: case TARGET_NR_vm86old:
3029: goto unimplemented;
3030: case TARGET_NR_vm86:
1.1.1.3 root 3031: ret = do_vm86(cpu_env, arg1, arg2);
1.1 root 3032: break;
3033: #endif
3034: case TARGET_NR_adjtimex:
3035: goto unimplemented;
3036: case TARGET_NR_create_module:
3037: case TARGET_NR_init_module:
3038: case TARGET_NR_delete_module:
3039: case TARGET_NR_get_kernel_syms:
3040: goto unimplemented;
3041: case TARGET_NR_quotactl:
3042: goto unimplemented;
3043: case TARGET_NR_getpgid:
3044: ret = get_errno(getpgid(arg1));
3045: break;
3046: case TARGET_NR_fchdir:
3047: ret = get_errno(fchdir(arg1));
3048: break;
3049: case TARGET_NR_bdflush:
3050: goto unimplemented;
3051: case TARGET_NR_sysfs:
3052: goto unimplemented;
3053: case TARGET_NR_personality:
3054: ret = get_errno(personality(arg1));
3055: break;
3056: case TARGET_NR_afs_syscall:
3057: goto unimplemented;
3058: case TARGET_NR__llseek:
3059: {
3060: #if defined (__x86_64__)
3061: ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
1.1.1.3 root 3062: tput64(arg4, ret);
1.1 root 3063: #else
3064: int64_t res;
3065: ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1.1.1.3 root 3066: tput64(arg4, res);
1.1 root 3067: #endif
3068: }
3069: break;
3070: case TARGET_NR_getdents:
3071: #if TARGET_LONG_SIZE != 4
1.1.1.3 root 3072: goto unimplemented;
1.1 root 3073: #warning not supported
3074: #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3075: {
1.1.1.3 root 3076: struct target_dirent *target_dirp;
1.1 root 3077: struct dirent *dirp;
3078: long count = arg3;
3079:
3080: dirp = malloc(count);
3081: if (!dirp)
3082: return -ENOMEM;
3083:
3084: ret = get_errno(sys_getdents(arg1, dirp, count));
3085: if (!is_error(ret)) {
3086: struct dirent *de;
3087: struct target_dirent *tde;
3088: int len = ret;
3089: int reclen, treclen;
3090: int count1, tnamelen;
3091:
3092: count1 = 0;
3093: de = dirp;
1.1.1.3 root 3094: target_dirp = lock_user(arg2, count, 0);
1.1 root 3095: tde = target_dirp;
3096: while (len > 0) {
3097: reclen = de->d_reclen;
3098: treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3099: tde->d_reclen = tswap16(treclen);
3100: tde->d_ino = tswapl(de->d_ino);
3101: tde->d_off = tswapl(de->d_off);
3102: tnamelen = treclen - (2 * sizeof(target_long) + 2);
3103: if (tnamelen > 256)
3104: tnamelen = 256;
3105: /* XXX: may not be correct */
3106: strncpy(tde->d_name, de->d_name, tnamelen);
3107: de = (struct dirent *)((char *)de + reclen);
3108: len -= reclen;
3109: tde = (struct dirent *)((char *)tde + treclen);
3110: count1 += treclen;
3111: }
3112: ret = count1;
3113: }
1.1.1.3 root 3114: unlock_user(target_dirp, arg2, ret);
1.1 root 3115: free(dirp);
3116: }
3117: #else
3118: {
1.1.1.3 root 3119: struct dirent *dirp;
1.1 root 3120: long count = arg3;
3121:
1.1.1.3 root 3122: dirp = lock_user(arg2, count, 0);
1.1 root 3123: ret = get_errno(sys_getdents(arg1, dirp, count));
3124: if (!is_error(ret)) {
3125: struct dirent *de;
3126: int len = ret;
3127: int reclen;
3128: de = dirp;
3129: while (len > 0) {
3130: reclen = de->d_reclen;
3131: if (reclen > len)
3132: break;
3133: de->d_reclen = tswap16(reclen);
3134: tswapls(&de->d_ino);
3135: tswapls(&de->d_off);
3136: de = (struct dirent *)((char *)de + reclen);
3137: len -= reclen;
3138: }
3139: }
1.1.1.3 root 3140: unlock_user(dirp, arg2, ret);
1.1 root 3141: }
3142: #endif
3143: break;
3144: #ifdef TARGET_NR_getdents64
3145: case TARGET_NR_getdents64:
3146: {
1.1.1.3 root 3147: struct dirent64 *dirp;
1.1 root 3148: long count = arg3;
1.1.1.3 root 3149: dirp = lock_user(arg2, count, 0);
1.1 root 3150: ret = get_errno(sys_getdents64(arg1, dirp, count));
3151: if (!is_error(ret)) {
3152: struct dirent64 *de;
3153: int len = ret;
3154: int reclen;
3155: de = dirp;
3156: while (len > 0) {
3157: reclen = de->d_reclen;
3158: if (reclen > len)
3159: break;
3160: de->d_reclen = tswap16(reclen);
3161: tswap64s(&de->d_ino);
3162: tswap64s(&de->d_off);
3163: de = (struct dirent64 *)((char *)de + reclen);
3164: len -= reclen;
3165: }
3166: }
1.1.1.3 root 3167: unlock_user(dirp, arg2, ret);
1.1 root 3168: }
3169: break;
3170: #endif /* TARGET_NR_getdents64 */
3171: case TARGET_NR__newselect:
1.1.1.3 root 3172: ret = do_select(arg1, arg2, arg3, arg4, arg5);
1.1 root 3173: break;
3174: case TARGET_NR_poll:
3175: {
1.1.1.3 root 3176: struct target_pollfd *target_pfd;
1.1 root 3177: unsigned int nfds = arg2;
3178: int timeout = arg3;
3179: struct pollfd *pfd;
3180: unsigned int i;
3181:
1.1.1.3 root 3182: target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
1.1 root 3183: pfd = alloca(sizeof(struct pollfd) * nfds);
3184: for(i = 0; i < nfds; i++) {
3185: pfd[i].fd = tswap32(target_pfd[i].fd);
3186: pfd[i].events = tswap16(target_pfd[i].events);
3187: }
3188: ret = get_errno(poll(pfd, nfds, timeout));
3189: if (!is_error(ret)) {
3190: for(i = 0; i < nfds; i++) {
3191: target_pfd[i].revents = tswap16(pfd[i].revents);
3192: }
1.1.1.3 root 3193: ret += nfds * (sizeof(struct target_pollfd)
3194: - sizeof(struct pollfd));
1.1 root 3195: }
1.1.1.3 root 3196: unlock_user(target_pfd, arg1, ret);
1.1 root 3197: }
3198: break;
3199: case TARGET_NR_flock:
3200: /* NOTE: the flock constant seems to be the same for every
3201: Linux platform */
3202: ret = get_errno(flock(arg1, arg2));
3203: break;
3204: case TARGET_NR_readv:
3205: {
3206: int count = arg3;
3207: struct iovec *vec;
3208:
3209: vec = alloca(count * sizeof(struct iovec));
1.1.1.3 root 3210: lock_iovec(vec, arg2, count, 0);
1.1 root 3211: ret = get_errno(readv(arg1, vec, count));
1.1.1.3 root 3212: unlock_iovec(vec, arg2, count, 1);
1.1 root 3213: }
3214: break;
3215: case TARGET_NR_writev:
3216: {
3217: int count = arg3;
3218: struct iovec *vec;
3219:
3220: vec = alloca(count * sizeof(struct iovec));
1.1.1.3 root 3221: lock_iovec(vec, arg2, count, 1);
1.1 root 3222: ret = get_errno(writev(arg1, vec, count));
1.1.1.3 root 3223: unlock_iovec(vec, arg2, count, 0);
1.1 root 3224: }
3225: break;
3226: case TARGET_NR_getsid:
3227: ret = get_errno(getsid(arg1));
3228: break;
3229: case TARGET_NR_fdatasync:
3230: ret = get_errno(fdatasync(arg1));
3231: break;
3232: case TARGET_NR__sysctl:
3233: /* We don't implement this, but ENODIR is always a safe
3234: return value. */
3235: return -ENOTDIR;
3236: case TARGET_NR_sched_setparam:
3237: {
1.1.1.3 root 3238: struct sched_param *target_schp;
1.1 root 3239: struct sched_param schp;
1.1.1.3 root 3240:
3241: lock_user_struct(target_schp, arg2, 1);
1.1 root 3242: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 3243: unlock_user_struct(target_schp, arg2, 0);
1.1 root 3244: ret = get_errno(sched_setparam(arg1, &schp));
3245: }
3246: break;
3247: case TARGET_NR_sched_getparam:
3248: {
1.1.1.3 root 3249: struct sched_param *target_schp;
1.1 root 3250: struct sched_param schp;
3251: ret = get_errno(sched_getparam(arg1, &schp));
3252: if (!is_error(ret)) {
1.1.1.3 root 3253: lock_user_struct(target_schp, arg2, 0);
1.1 root 3254: target_schp->sched_priority = tswap32(schp.sched_priority);
1.1.1.3 root 3255: unlock_user_struct(target_schp, arg2, 1);
1.1 root 3256: }
3257: }
3258: break;
3259: case TARGET_NR_sched_setscheduler:
3260: {
1.1.1.3 root 3261: struct sched_param *target_schp;
1.1 root 3262: struct sched_param schp;
1.1.1.3 root 3263: lock_user_struct(target_schp, arg3, 1);
1.1 root 3264: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 3265: unlock_user_struct(target_schp, arg3, 0);
1.1 root 3266: ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3267: }
3268: break;
3269: case TARGET_NR_sched_getscheduler:
3270: ret = get_errno(sched_getscheduler(arg1));
3271: break;
3272: case TARGET_NR_sched_yield:
3273: ret = get_errno(sched_yield());
3274: break;
3275: case TARGET_NR_sched_get_priority_max:
3276: ret = get_errno(sched_get_priority_max(arg1));
3277: break;
3278: case TARGET_NR_sched_get_priority_min:
3279: ret = get_errno(sched_get_priority_min(arg1));
3280: break;
3281: case TARGET_NR_sched_rr_get_interval:
3282: {
3283: struct timespec ts;
3284: ret = get_errno(sched_rr_get_interval(arg1, &ts));
3285: if (!is_error(ret)) {
1.1.1.3 root 3286: host_to_target_timespec(arg2, &ts);
1.1 root 3287: }
3288: }
3289: break;
3290: case TARGET_NR_nanosleep:
3291: {
3292: struct timespec req, rem;
1.1.1.3 root 3293: target_to_host_timespec(&req, arg1);
1.1 root 3294: ret = get_errno(nanosleep(&req, &rem));
1.1.1.3 root 3295: if (is_error(ret) && arg2) {
3296: host_to_target_timespec(arg2, &rem);
1.1 root 3297: }
3298: }
3299: break;
3300: case TARGET_NR_query_module:
3301: goto unimplemented;
3302: case TARGET_NR_nfsservctl:
3303: goto unimplemented;
3304: case TARGET_NR_prctl:
3305: goto unimplemented;
3306: #ifdef TARGET_NR_pread
3307: case TARGET_NR_pread:
1.1.1.3 root 3308: page_unprotect_range(arg2, arg3);
3309: p = lock_user(arg2, arg3, 0);
3310: ret = get_errno(pread(arg1, p, arg3, arg4));
3311: unlock_user(p, arg2, ret);
1.1 root 3312: break;
3313: case TARGET_NR_pwrite:
1.1.1.3 root 3314: p = lock_user(arg2, arg3, 1);
3315: ret = get_errno(pwrite(arg1, p, arg3, arg4));
3316: unlock_user(p, arg2, 0);
1.1 root 3317: break;
3318: #endif
3319: case TARGET_NR_getcwd:
1.1.1.3 root 3320: p = lock_user(arg1, arg2, 0);
3321: ret = get_errno(sys_getcwd1(p, arg2));
3322: unlock_user(p, arg1, ret);
1.1 root 3323: break;
3324: case TARGET_NR_capget:
3325: goto unimplemented;
3326: case TARGET_NR_capset:
3327: goto unimplemented;
3328: case TARGET_NR_sigaltstack:
3329: goto unimplemented;
3330: case TARGET_NR_sendfile:
3331: goto unimplemented;
3332: #ifdef TARGET_NR_getpmsg
3333: case TARGET_NR_getpmsg:
3334: goto unimplemented;
3335: #endif
3336: #ifdef TARGET_NR_putpmsg
3337: case TARGET_NR_putpmsg:
3338: goto unimplemented;
3339: #endif
1.1.1.2 root 3340: #ifdef TARGET_NR_vfork
1.1 root 3341: case TARGET_NR_vfork:
3342: ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
3343: break;
1.1.1.2 root 3344: #endif
1.1 root 3345: #ifdef TARGET_NR_ugetrlimit
3346: case TARGET_NR_ugetrlimit:
3347: {
3348: struct rlimit rlim;
3349: ret = get_errno(getrlimit(arg1, &rlim));
3350: if (!is_error(ret)) {
1.1.1.3 root 3351: struct target_rlimit *target_rlim;
3352: lock_user_struct(target_rlim, arg2, 0);
1.1 root 3353: target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3354: target_rlim->rlim_max = tswapl(rlim.rlim_max);
1.1.1.3 root 3355: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 3356: }
3357: break;
3358: }
3359: #endif
3360: #ifdef TARGET_NR_truncate64
3361: case TARGET_NR_truncate64:
1.1.1.3 root 3362: p = lock_user_string(arg1);
3363: ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3364: unlock_user(p, arg1, 0);
1.1 root 3365: break;
3366: #endif
3367: #ifdef TARGET_NR_ftruncate64
3368: case TARGET_NR_ftruncate64:
1.1.1.3 root 3369: ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
1.1 root 3370: break;
3371: #endif
3372: #ifdef TARGET_NR_stat64
3373: case TARGET_NR_stat64:
1.1.1.3 root 3374: p = lock_user_string(arg1);
3375: ret = get_errno(stat(path(p), &st));
3376: unlock_user(p, arg1, 0);
1.1 root 3377: goto do_stat64;
3378: #endif
3379: #ifdef TARGET_NR_lstat64
3380: case TARGET_NR_lstat64:
1.1.1.3 root 3381: p = lock_user_string(arg1);
3382: ret = get_errno(lstat(path(p), &st));
3383: unlock_user(p, arg1, 0);
1.1 root 3384: goto do_stat64;
3385: #endif
3386: #ifdef TARGET_NR_fstat64
3387: case TARGET_NR_fstat64:
3388: {
3389: ret = get_errno(fstat(arg1, &st));
3390: do_stat64:
3391: if (!is_error(ret)) {
1.1.1.3 root 3392: #ifdef TARGET_ARM
3393: if (((CPUARMState *)cpu_env)->eabi) {
3394: struct target_eabi_stat64 *target_st;
3395: lock_user_struct(target_st, arg2, 1);
3396: memset(target_st, 0, sizeof(struct target_eabi_stat64));
3397: /* put_user is probably wrong. */
3398: put_user(st.st_dev, &target_st->st_dev);
3399: put_user(st.st_ino, &target_st->st_ino);
3400: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3401: put_user(st.st_ino, &target_st->__st_ino);
3402: #endif
3403: put_user(st.st_mode, &target_st->st_mode);
3404: put_user(st.st_nlink, &target_st->st_nlink);
3405: put_user(st.st_uid, &target_st->st_uid);
3406: put_user(st.st_gid, &target_st->st_gid);
3407: put_user(st.st_rdev, &target_st->st_rdev);
3408: /* XXX: better use of kernel struct */
3409: put_user(st.st_size, &target_st->st_size);
3410: put_user(st.st_blksize, &target_st->st_blksize);
3411: put_user(st.st_blocks, &target_st->st_blocks);
3412: put_user(st.st_atime, &target_st->target_st_atime);
3413: put_user(st.st_mtime, &target_st->target_st_mtime);
3414: put_user(st.st_ctime, &target_st->target_st_ctime);
3415: unlock_user_struct(target_st, arg2, 0);
3416: } else
3417: #endif
3418: {
3419: struct target_stat64 *target_st;
3420: lock_user_struct(target_st, arg2, 1);
3421: memset(target_st, 0, sizeof(struct target_stat64));
3422: /* ??? put_user is probably wrong. */
3423: put_user(st.st_dev, &target_st->st_dev);
3424: put_user(st.st_ino, &target_st->st_ino);
1.1 root 3425: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
1.1.1.3 root 3426: put_user(st.st_ino, &target_st->__st_ino);
1.1 root 3427: #endif
1.1.1.3 root 3428: put_user(st.st_mode, &target_st->st_mode);
3429: put_user(st.st_nlink, &target_st->st_nlink);
3430: put_user(st.st_uid, &target_st->st_uid);
3431: put_user(st.st_gid, &target_st->st_gid);
3432: put_user(st.st_rdev, &target_st->st_rdev);
3433: /* XXX: better use of kernel struct */
3434: put_user(st.st_size, &target_st->st_size);
3435: put_user(st.st_blksize, &target_st->st_blksize);
3436: put_user(st.st_blocks, &target_st->st_blocks);
3437: put_user(st.st_atime, &target_st->target_st_atime);
3438: put_user(st.st_mtime, &target_st->target_st_mtime);
3439: put_user(st.st_ctime, &target_st->target_st_ctime);
3440: unlock_user_struct(target_st, arg2, 0);
3441: }
1.1 root 3442: }
3443: }
3444: break;
3445: #endif
3446: #ifdef USE_UID16
3447: case TARGET_NR_lchown:
1.1.1.3 root 3448: p = lock_user_string(arg1);
3449: ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3450: unlock_user(p, arg1, 0);
1.1 root 3451: break;
3452: case TARGET_NR_getuid:
3453: ret = get_errno(high2lowuid(getuid()));
3454: break;
3455: case TARGET_NR_getgid:
3456: ret = get_errno(high2lowgid(getgid()));
3457: break;
3458: case TARGET_NR_geteuid:
3459: ret = get_errno(high2lowuid(geteuid()));
3460: break;
3461: case TARGET_NR_getegid:
3462: ret = get_errno(high2lowgid(getegid()));
3463: break;
3464: case TARGET_NR_setreuid:
3465: ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3466: break;
3467: case TARGET_NR_setregid:
3468: ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3469: break;
3470: case TARGET_NR_getgroups:
3471: {
3472: int gidsetsize = arg1;
1.1.1.3 root 3473: uint16_t *target_grouplist;
1.1 root 3474: gid_t *grouplist;
3475: int i;
3476:
3477: grouplist = alloca(gidsetsize * sizeof(gid_t));
3478: ret = get_errno(getgroups(gidsetsize, grouplist));
3479: if (!is_error(ret)) {
1.1.1.3 root 3480: target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
1.1 root 3481: for(i = 0;i < gidsetsize; i++)
3482: target_grouplist[i] = tswap16(grouplist[i]);
1.1.1.3 root 3483: unlock_user(target_grouplist, arg2, gidsetsize * 2);
1.1 root 3484: }
3485: }
3486: break;
3487: case TARGET_NR_setgroups:
3488: {
3489: int gidsetsize = arg1;
1.1.1.3 root 3490: uint16_t *target_grouplist;
1.1 root 3491: gid_t *grouplist;
3492: int i;
3493:
3494: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.3 root 3495: target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
1.1 root 3496: for(i = 0;i < gidsetsize; i++)
3497: grouplist[i] = tswap16(target_grouplist[i]);
1.1.1.3 root 3498: unlock_user(target_grouplist, arg2, 0);
1.1 root 3499: ret = get_errno(setgroups(gidsetsize, grouplist));
3500: }
3501: break;
3502: case TARGET_NR_fchown:
3503: ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3504: break;
3505: #ifdef TARGET_NR_setresuid
3506: case TARGET_NR_setresuid:
3507: ret = get_errno(setresuid(low2highuid(arg1),
3508: low2highuid(arg2),
3509: low2highuid(arg3)));
3510: break;
3511: #endif
3512: #ifdef TARGET_NR_getresuid
3513: case TARGET_NR_getresuid:
3514: {
1.1.1.3 root 3515: uid_t ruid, euid, suid;
1.1 root 3516: ret = get_errno(getresuid(&ruid, &euid, &suid));
3517: if (!is_error(ret)) {
1.1.1.3 root 3518: tput16(arg1, tswap16(high2lowuid(ruid)));
3519: tput16(arg2, tswap16(high2lowuid(euid)));
3520: tput16(arg3, tswap16(high2lowuid(suid)));
1.1 root 3521: }
3522: }
3523: break;
3524: #endif
3525: #ifdef TARGET_NR_getresgid
3526: case TARGET_NR_setresgid:
3527: ret = get_errno(setresgid(low2highgid(arg1),
3528: low2highgid(arg2),
3529: low2highgid(arg3)));
3530: break;
3531: #endif
3532: #ifdef TARGET_NR_getresgid
3533: case TARGET_NR_getresgid:
3534: {
1.1.1.3 root 3535: gid_t rgid, egid, sgid;
1.1 root 3536: ret = get_errno(getresgid(&rgid, &egid, &sgid));
3537: if (!is_error(ret)) {
1.1.1.3 root 3538: tput16(arg1, tswap16(high2lowgid(rgid)));
3539: tput16(arg2, tswap16(high2lowgid(egid)));
3540: tput16(arg3, tswap16(high2lowgid(sgid)));
1.1 root 3541: }
3542: }
3543: break;
3544: #endif
3545: case TARGET_NR_chown:
1.1.1.3 root 3546: p = lock_user_string(arg1);
3547: ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3548: unlock_user(p, arg1, 0);
1.1 root 3549: break;
3550: case TARGET_NR_setuid:
3551: ret = get_errno(setuid(low2highuid(arg1)));
3552: break;
3553: case TARGET_NR_setgid:
3554: ret = get_errno(setgid(low2highgid(arg1)));
3555: break;
3556: case TARGET_NR_setfsuid:
3557: ret = get_errno(setfsuid(arg1));
3558: break;
3559: case TARGET_NR_setfsgid:
3560: ret = get_errno(setfsgid(arg1));
3561: break;
3562: #endif /* USE_UID16 */
3563:
3564: #ifdef TARGET_NR_lchown32
3565: case TARGET_NR_lchown32:
1.1.1.3 root 3566: p = lock_user_string(arg1);
3567: ret = get_errno(lchown(p, arg2, arg3));
3568: unlock_user(p, arg1, 0);
1.1 root 3569: break;
3570: #endif
3571: #ifdef TARGET_NR_getuid32
3572: case TARGET_NR_getuid32:
3573: ret = get_errno(getuid());
3574: break;
3575: #endif
3576: #ifdef TARGET_NR_getgid32
3577: case TARGET_NR_getgid32:
3578: ret = get_errno(getgid());
3579: break;
3580: #endif
3581: #ifdef TARGET_NR_geteuid32
3582: case TARGET_NR_geteuid32:
3583: ret = get_errno(geteuid());
3584: break;
3585: #endif
3586: #ifdef TARGET_NR_getegid32
3587: case TARGET_NR_getegid32:
3588: ret = get_errno(getegid());
3589: break;
3590: #endif
3591: #ifdef TARGET_NR_setreuid32
3592: case TARGET_NR_setreuid32:
3593: ret = get_errno(setreuid(arg1, arg2));
3594: break;
3595: #endif
3596: #ifdef TARGET_NR_setregid32
3597: case TARGET_NR_setregid32:
3598: ret = get_errno(setregid(arg1, arg2));
3599: break;
3600: #endif
3601: #ifdef TARGET_NR_getgroups32
3602: case TARGET_NR_getgroups32:
3603: {
3604: int gidsetsize = arg1;
1.1.1.3 root 3605: uint32_t *target_grouplist;
1.1 root 3606: gid_t *grouplist;
3607: int i;
3608:
3609: grouplist = alloca(gidsetsize * sizeof(gid_t));
3610: ret = get_errno(getgroups(gidsetsize, grouplist));
3611: if (!is_error(ret)) {
1.1.1.3 root 3612: target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
1.1 root 3613: for(i = 0;i < gidsetsize; i++)
1.1.1.3 root 3614: target_grouplist[i] = tswap32(grouplist[i]);
3615: unlock_user(target_grouplist, arg2, gidsetsize * 4);
1.1 root 3616: }
3617: }
3618: break;
3619: #endif
3620: #ifdef TARGET_NR_setgroups32
3621: case TARGET_NR_setgroups32:
3622: {
3623: int gidsetsize = arg1;
1.1.1.3 root 3624: uint32_t *target_grouplist;
1.1 root 3625: gid_t *grouplist;
3626: int i;
3627:
3628: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.3 root 3629: target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
1.1 root 3630: for(i = 0;i < gidsetsize; i++)
1.1.1.3 root 3631: grouplist[i] = tswap32(target_grouplist[i]);
3632: unlock_user(target_grouplist, arg2, 0);
1.1 root 3633: ret = get_errno(setgroups(gidsetsize, grouplist));
3634: }
3635: break;
3636: #endif
3637: #ifdef TARGET_NR_fchown32
3638: case TARGET_NR_fchown32:
3639: ret = get_errno(fchown(arg1, arg2, arg3));
3640: break;
3641: #endif
3642: #ifdef TARGET_NR_setresuid32
3643: case TARGET_NR_setresuid32:
3644: ret = get_errno(setresuid(arg1, arg2, arg3));
3645: break;
3646: #endif
3647: #ifdef TARGET_NR_getresuid32
3648: case TARGET_NR_getresuid32:
3649: {
1.1.1.3 root 3650: uid_t ruid, euid, suid;
1.1 root 3651: ret = get_errno(getresuid(&ruid, &euid, &suid));
3652: if (!is_error(ret)) {
1.1.1.3 root 3653: tput32(arg1, tswap32(ruid));
3654: tput32(arg2, tswap32(euid));
3655: tput32(arg3, tswap32(suid));
1.1 root 3656: }
3657: }
3658: break;
3659: #endif
3660: #ifdef TARGET_NR_setresgid32
3661: case TARGET_NR_setresgid32:
3662: ret = get_errno(setresgid(arg1, arg2, arg3));
3663: break;
3664: #endif
3665: #ifdef TARGET_NR_getresgid32
3666: case TARGET_NR_getresgid32:
3667: {
1.1.1.3 root 3668: gid_t rgid, egid, sgid;
1.1 root 3669: ret = get_errno(getresgid(&rgid, &egid, &sgid));
3670: if (!is_error(ret)) {
1.1.1.3 root 3671: tput32(arg1, tswap32(rgid));
3672: tput32(arg2, tswap32(egid));
3673: tput32(arg3, tswap32(sgid));
1.1 root 3674: }
3675: }
3676: break;
3677: #endif
3678: #ifdef TARGET_NR_chown32
3679: case TARGET_NR_chown32:
1.1.1.3 root 3680: p = lock_user_string(arg1);
3681: ret = get_errno(chown(p, arg2, arg3));
3682: unlock_user(p, arg1, 0);
1.1 root 3683: break;
3684: #endif
3685: #ifdef TARGET_NR_setuid32
3686: case TARGET_NR_setuid32:
3687: ret = get_errno(setuid(arg1));
3688: break;
3689: #endif
3690: #ifdef TARGET_NR_setgid32
3691: case TARGET_NR_setgid32:
3692: ret = get_errno(setgid(arg1));
3693: break;
3694: #endif
3695: #ifdef TARGET_NR_setfsuid32
3696: case TARGET_NR_setfsuid32:
3697: ret = get_errno(setfsuid(arg1));
3698: break;
3699: #endif
3700: #ifdef TARGET_NR_setfsgid32
3701: case TARGET_NR_setfsgid32:
3702: ret = get_errno(setfsgid(arg1));
3703: break;
3704: #endif
3705:
3706: case TARGET_NR_pivot_root:
3707: goto unimplemented;
3708: #ifdef TARGET_NR_mincore
3709: case TARGET_NR_mincore:
3710: goto unimplemented;
3711: #endif
3712: #ifdef TARGET_NR_madvise
3713: case TARGET_NR_madvise:
1.1.1.3 root 3714: /* A straight passthrough may not be safe because qemu sometimes
3715: turns private flie-backed mappings into anonymous mappings.
3716: This will break MADV_DONTNEED.
3717: This is a hint, so ignoring and returning success is ok. */
3718: ret = get_errno(0);
3719: break;
1.1 root 3720: #endif
3721: #if TARGET_LONG_BITS == 32
3722: case TARGET_NR_fcntl64:
3723: {
3724: struct flock64 fl;
1.1.1.3 root 3725: struct target_flock64 *target_fl;
3726: #ifdef TARGET_ARM
3727: struct target_eabi_flock64 *target_efl;
3728: #endif
1.1 root 3729:
3730: switch(arg2) {
3731: case F_GETLK64:
3732: ret = get_errno(fcntl(arg1, arg2, &fl));
3733: if (ret == 0) {
1.1.1.3 root 3734: #ifdef TARGET_ARM
3735: if (((CPUARMState *)cpu_env)->eabi) {
3736: lock_user_struct(target_efl, arg3, 0);
3737: target_efl->l_type = tswap16(fl.l_type);
3738: target_efl->l_whence = tswap16(fl.l_whence);
3739: target_efl->l_start = tswap64(fl.l_start);
3740: target_efl->l_len = tswap64(fl.l_len);
3741: target_efl->l_pid = tswapl(fl.l_pid);
3742: unlock_user_struct(target_efl, arg3, 1);
3743: } else
3744: #endif
3745: {
3746: lock_user_struct(target_fl, arg3, 0);
3747: target_fl->l_type = tswap16(fl.l_type);
3748: target_fl->l_whence = tswap16(fl.l_whence);
3749: target_fl->l_start = tswap64(fl.l_start);
3750: target_fl->l_len = tswap64(fl.l_len);
3751: target_fl->l_pid = tswapl(fl.l_pid);
3752: unlock_user_struct(target_fl, arg3, 1);
3753: }
1.1 root 3754: }
3755: break;
3756:
3757: case F_SETLK64:
3758: case F_SETLKW64:
1.1.1.3 root 3759: #ifdef TARGET_ARM
3760: if (((CPUARMState *)cpu_env)->eabi) {
3761: lock_user_struct(target_efl, arg3, 1);
3762: fl.l_type = tswap16(target_efl->l_type);
3763: fl.l_whence = tswap16(target_efl->l_whence);
3764: fl.l_start = tswap64(target_efl->l_start);
3765: fl.l_len = tswap64(target_efl->l_len);
3766: fl.l_pid = tswapl(target_efl->l_pid);
3767: unlock_user_struct(target_efl, arg3, 0);
3768: } else
3769: #endif
3770: {
3771: lock_user_struct(target_fl, arg3, 1);
3772: fl.l_type = tswap16(target_fl->l_type);
3773: fl.l_whence = tswap16(target_fl->l_whence);
3774: fl.l_start = tswap64(target_fl->l_start);
3775: fl.l_len = tswap64(target_fl->l_len);
3776: fl.l_pid = tswapl(target_fl->l_pid);
3777: unlock_user_struct(target_fl, arg3, 0);
3778: }
1.1 root 3779: ret = get_errno(fcntl(arg1, arg2, &fl));
3780: break;
3781: default:
3782: ret = get_errno(do_fcntl(arg1, arg2, arg3));
3783: break;
3784: }
3785: break;
3786: }
3787: #endif
3788: #ifdef TARGET_NR_security
3789: case TARGET_NR_security:
3790: goto unimplemented;
3791: #endif
3792: #ifdef TARGET_NR_getpagesize
3793: case TARGET_NR_getpagesize:
3794: ret = TARGET_PAGE_SIZE;
3795: break;
3796: #endif
3797: case TARGET_NR_gettid:
3798: ret = get_errno(gettid());
3799: break;
3800: case TARGET_NR_readahead:
3801: goto unimplemented;
3802: #ifdef TARGET_NR_setxattr
3803: case TARGET_NR_setxattr:
3804: case TARGET_NR_lsetxattr:
3805: case TARGET_NR_fsetxattr:
3806: case TARGET_NR_getxattr:
3807: case TARGET_NR_lgetxattr:
3808: case TARGET_NR_fgetxattr:
3809: case TARGET_NR_listxattr:
3810: case TARGET_NR_llistxattr:
3811: case TARGET_NR_flistxattr:
3812: case TARGET_NR_removexattr:
3813: case TARGET_NR_lremovexattr:
3814: case TARGET_NR_fremovexattr:
3815: goto unimplemented_nowarn;
3816: #endif
3817: #ifdef TARGET_NR_set_thread_area
3818: case TARGET_NR_set_thread_area:
3819: case TARGET_NR_get_thread_area:
3820: goto unimplemented_nowarn;
3821: #endif
1.1.1.4 ! root 3822: #ifdef TARGET_NR_getdomainname
! 3823: case TARGET_NR_getdomainname:
! 3824: goto unimplemented_nowarn;
! 3825: #endif
1.1 root 3826: default:
3827: unimplemented:
3828: gemu_log("qemu: Unsupported syscall: %d\n", num);
1.1.1.4 ! root 3829: #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) || defined(TARGET_NR_getdomainname)
1.1 root 3830: unimplemented_nowarn:
3831: #endif
3832: ret = -ENOSYS;
3833: break;
3834: }
3835: fail:
3836: #ifdef DEBUG
3837: gemu_log(" = %ld\n", ret);
3838: #endif
3839: return ret;
3840: }
3841:
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