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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>
1.1.1.5 ! root 45: #include <sys/sem.h>
1.1.1.2 root 46: #include <sys/statfs.h>
1.1 root 47: #include <utime.h>
48: #include <sys/sysinfo.h>
49: //#include <sys/user.h>
50: #include <netinet/ip.h>
51: #include <netinet/tcp.h>
52:
53: #define termios host_termios
54: #define winsize host_winsize
55: #define termio host_termio
56: #define sgttyb host_sgttyb /* same as target */
57: #define tchars host_tchars /* same as target */
58: #define ltchars host_ltchars /* same as target */
59:
60: #include <linux/termios.h>
61: #include <linux/unistd.h>
62: #include <linux/utsname.h>
63: #include <linux/cdrom.h>
64: #include <linux/hdreg.h>
65: #include <linux/soundcard.h>
66: #include <linux/dirent.h>
67: #include <linux/kd.h>
68:
69: #include "qemu.h"
70:
71: //#define DEBUG
72:
1.1.1.5 ! root 73: #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
! 74: || defined(TARGET_M68K)
1.1 root 75: /* 16 bit uid wrappers emulation */
76: #define USE_UID16
77: #endif
78:
79: //#include <linux/msdos_fs.h>
80: #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
81: #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
82:
83:
84: #undef _syscall0
85: #undef _syscall1
86: #undef _syscall2
87: #undef _syscall3
88: #undef _syscall4
89: #undef _syscall5
1.1.1.4 root 90: #undef _syscall6
1.1 root 91:
1.1.1.4 root 92: #define _syscall0(type,name) \
93: type name (void) \
94: { \
95: return syscall(__NR_##name); \
96: }
97:
98: #define _syscall1(type,name,type1,arg1) \
99: type name (type1 arg1) \
100: { \
101: return syscall(__NR_##name, arg1); \
102: }
103:
104: #define _syscall2(type,name,type1,arg1,type2,arg2) \
105: type name (type1 arg1,type2 arg2) \
106: { \
107: return syscall(__NR_##name, arg1, arg2); \
108: }
109:
110: #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
111: type name (type1 arg1,type2 arg2,type3 arg3) \
112: { \
113: return syscall(__NR_##name, arg1, arg2, arg3); \
114: }
115:
116: #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
117: type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
118: { \
119: return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
1.1 root 120: }
1.1.1.4 root 121:
122: #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
123: type5,arg5) \
124: type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
125: { \
126: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
127: }
128:
129:
130: #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
131: type5,arg5,type6,arg6) \
132: type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
133: { \
134: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
135: }
136:
1.1 root 137:
138: #define __NR_sys_uname __NR_uname
139: #define __NR_sys_getcwd1 __NR_getcwd
140: #define __NR_sys_getdents __NR_getdents
141: #define __NR_sys_getdents64 __NR_getdents64
142: #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
143:
144: #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
145: #define __NR__llseek __NR_lseek
146: #endif
147:
148: #ifdef __NR_gettid
149: _syscall0(int, gettid)
150: #else
151: static int gettid(void) {
152: return -ENOSYS;
153: }
154: #endif
155: _syscall1(int,sys_uname,struct new_utsname *,buf)
156: _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
157: _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
158: _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
159: _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
160: loff_t *, res, uint, wh);
161: _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
162: #ifdef __NR_exit_group
163: _syscall1(int,exit_group,int,error_code)
164: #endif
165:
166: extern int personality(int);
167: extern int flock(int, int);
168: extern int setfsuid(int);
169: extern int setfsgid(int);
170: extern int setresuid(uid_t, uid_t, uid_t);
171: extern int getresuid(uid_t *, uid_t *, uid_t *);
172: extern int setresgid(gid_t, gid_t, gid_t);
173: extern int getresgid(gid_t *, gid_t *, gid_t *);
174: extern int setgroups(int, gid_t *);
175:
176: static inline long get_errno(long ret)
177: {
178: if (ret == -1)
179: return -errno;
180: else
181: return ret;
182: }
183:
184: static inline int is_error(long ret)
185: {
186: return (unsigned long)ret >= (unsigned long)(-4096);
187: }
188:
1.1.1.3 root 189: static target_ulong target_brk;
190: static target_ulong target_original_brk;
1.1 root 191:
1.1.1.3 root 192: void target_set_brk(target_ulong new_brk)
1.1 root 193: {
1.1.1.3 root 194: target_original_brk = target_brk = new_brk;
1.1 root 195: }
196:
1.1.1.3 root 197: long do_brk(target_ulong new_brk)
1.1 root 198: {
1.1.1.3 root 199: target_ulong brk_page;
1.1 root 200: long mapped_addr;
201: int new_alloc_size;
202:
203: if (!new_brk)
1.1.1.3 root 204: return target_brk;
1.1 root 205: if (new_brk < target_original_brk)
206: return -ENOMEM;
207:
1.1.1.3 root 208: brk_page = HOST_PAGE_ALIGN(target_brk);
1.1 root 209:
210: /* If the new brk is less than this, set it and we're done... */
211: if (new_brk < brk_page) {
212: target_brk = new_brk;
1.1.1.3 root 213: return target_brk;
1.1 root 214: }
215:
216: /* We need to allocate more memory after the brk... */
217: new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
1.1.1.3 root 218: mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
1.1 root 219: PROT_READ|PROT_WRITE,
220: MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
221: if (is_error(mapped_addr)) {
222: return mapped_addr;
223: } else {
224: target_brk = new_brk;
1.1.1.3 root 225: return target_brk;
1.1 root 226: }
227: }
228:
229: static inline fd_set *target_to_host_fds(fd_set *fds,
230: target_long *target_fds, int n)
231: {
232: #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
233: return (fd_set *)target_fds;
234: #else
235: int i, b;
236: if (target_fds) {
237: FD_ZERO(fds);
238: for(i = 0;i < n; i++) {
239: b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
240: (i & (TARGET_LONG_BITS - 1))) & 1;
241: if (b)
242: FD_SET(i, fds);
243: }
244: return fds;
245: } else {
246: return NULL;
247: }
248: #endif
249: }
250:
251: static inline void host_to_target_fds(target_long *target_fds,
252: fd_set *fds, int n)
253: {
254: #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
255: /* nothing to do */
256: #else
257: int i, nw, j, k;
258: target_long v;
259:
260: if (target_fds) {
261: nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
262: k = 0;
263: for(i = 0;i < nw; i++) {
264: v = 0;
265: for(j = 0; j < TARGET_LONG_BITS; j++) {
266: v |= ((FD_ISSET(k, fds) != 0) << j);
267: k++;
268: }
269: target_fds[i] = tswapl(v);
270: }
271: }
272: #endif
273: }
274:
275: #if defined(__alpha__)
276: #define HOST_HZ 1024
277: #else
278: #define HOST_HZ 100
279: #endif
280:
281: static inline long host_to_target_clock_t(long ticks)
282: {
283: #if HOST_HZ == TARGET_HZ
284: return ticks;
285: #else
286: return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
287: #endif
288: }
289:
1.1.1.3 root 290: static inline void host_to_target_rusage(target_ulong target_addr,
1.1 root 291: const struct rusage *rusage)
292: {
1.1.1.3 root 293: struct target_rusage *target_rusage;
294:
295: lock_user_struct(target_rusage, target_addr, 0);
1.1 root 296: target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
297: target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
298: target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
299: target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
300: target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
301: target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
302: target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
303: target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
304: target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
305: target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
306: target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
307: target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
308: target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
309: target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
310: target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
311: target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
312: target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
313: target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
1.1.1.3 root 314: unlock_user_struct(target_rusage, target_addr, 1);
1.1 root 315: }
316:
1.1.1.3 root 317: static inline void target_to_host_timeval(struct timeval *tv,
318: target_ulong target_addr)
1.1 root 319: {
1.1.1.3 root 320: struct target_timeval *target_tv;
321:
322: lock_user_struct(target_tv, target_addr, 1);
1.1 root 323: tv->tv_sec = tswapl(target_tv->tv_sec);
324: tv->tv_usec = tswapl(target_tv->tv_usec);
1.1.1.3 root 325: unlock_user_struct(target_tv, target_addr, 0);
1.1 root 326: }
327:
1.1.1.3 root 328: static inline void host_to_target_timeval(target_ulong target_addr,
1.1 root 329: const struct timeval *tv)
330: {
1.1.1.3 root 331: struct target_timeval *target_tv;
332:
333: lock_user_struct(target_tv, target_addr, 0);
1.1 root 334: target_tv->tv_sec = tswapl(tv->tv_sec);
335: target_tv->tv_usec = tswapl(tv->tv_usec);
1.1.1.3 root 336: unlock_user_struct(target_tv, target_addr, 1);
1.1 root 337: }
338:
339:
340: static long do_select(long n,
1.1.1.3 root 341: target_ulong rfd_p, target_ulong wfd_p,
342: target_ulong efd_p, target_ulong target_tv)
1.1 root 343: {
344: fd_set rfds, wfds, efds;
345: fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1.1.1.3 root 346: target_long *target_rfds, *target_wfds, *target_efds;
1.1 root 347: struct timeval tv, *tv_ptr;
348: long ret;
1.1.1.3 root 349: int ok;
1.1 root 350:
1.1.1.3 root 351: if (rfd_p) {
352: target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
353: rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
354: } else {
355: target_rfds = NULL;
356: rfds_ptr = NULL;
357: }
358: if (wfd_p) {
359: target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
360: wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
361: } else {
362: target_wfds = NULL;
363: wfds_ptr = NULL;
364: }
365: if (efd_p) {
366: target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
367: efds_ptr = target_to_host_fds(&efds, target_efds, n);
368: } else {
369: target_efds = NULL;
370: efds_ptr = NULL;
371: }
1.1 root 372:
373: if (target_tv) {
374: target_to_host_timeval(&tv, target_tv);
375: tv_ptr = &tv;
376: } else {
377: tv_ptr = NULL;
378: }
379: ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
1.1.1.3 root 380: ok = !is_error(ret);
381:
382: if (ok) {
1.1 root 383: host_to_target_fds(target_rfds, rfds_ptr, n);
384: host_to_target_fds(target_wfds, wfds_ptr, n);
385: host_to_target_fds(target_efds, efds_ptr, n);
386:
387: if (target_tv) {
388: host_to_target_timeval(target_tv, &tv);
389: }
390: }
1.1.1.3 root 391: if (target_rfds)
392: unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
393: if (target_wfds)
394: unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
395: if (target_efds)
396: unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
397:
1.1 root 398: return ret;
399: }
400:
401: static inline void target_to_host_sockaddr(struct sockaddr *addr,
1.1.1.3 root 402: target_ulong target_addr,
1.1 root 403: socklen_t len)
404: {
1.1.1.3 root 405: struct target_sockaddr *target_saddr;
406:
407: target_saddr = lock_user(target_addr, len, 1);
408: memcpy(addr, target_saddr, len);
409: addr->sa_family = tswap16(target_saddr->sa_family);
410: unlock_user(target_saddr, target_addr, 0);
1.1 root 411: }
412:
1.1.1.3 root 413: static inline void host_to_target_sockaddr(target_ulong target_addr,
1.1 root 414: struct sockaddr *addr,
415: socklen_t len)
416: {
1.1.1.3 root 417: struct target_sockaddr *target_saddr;
418:
419: target_saddr = lock_user(target_addr, len, 0);
420: memcpy(target_saddr, addr, len);
421: target_saddr->sa_family = tswap16(addr->sa_family);
422: unlock_user(target_saddr, target_addr, len);
1.1 root 423: }
424:
1.1.1.3 root 425: /* ??? Should this also swap msgh->name? */
1.1 root 426: static inline void target_to_host_cmsg(struct msghdr *msgh,
427: struct target_msghdr *target_msgh)
428: {
429: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
430: struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
431: socklen_t space = 0;
432:
433: while (cmsg && target_cmsg) {
434: void *data = CMSG_DATA(cmsg);
435: void *target_data = TARGET_CMSG_DATA(target_cmsg);
436:
437: int len = tswapl(target_cmsg->cmsg_len)
438: - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
439:
440: space += CMSG_SPACE(len);
441: if (space > msgh->msg_controllen) {
442: space -= CMSG_SPACE(len);
1.1.1.2 root 443: gemu_log("Host cmsg overflow\n");
1.1 root 444: break;
445: }
446:
447: cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
448: cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
449: cmsg->cmsg_len = CMSG_LEN(len);
450:
1.1.1.4 root 451: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 452: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
453: memcpy(data, target_data, len);
454: } else {
455: int *fd = (int *)data;
456: int *target_fd = (int *)target_data;
457: int i, numfds = len / sizeof(int);
458:
459: for (i = 0; i < numfds; i++)
460: fd[i] = tswap32(target_fd[i]);
461: }
462:
463: cmsg = CMSG_NXTHDR(msgh, cmsg);
464: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
465: }
466:
467: msgh->msg_controllen = space;
468: }
469:
1.1.1.3 root 470: /* ??? Should this also swap msgh->name? */
1.1 root 471: static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
472: struct msghdr *msgh)
473: {
474: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
475: struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
476: socklen_t space = 0;
477:
478: while (cmsg && target_cmsg) {
479: void *data = CMSG_DATA(cmsg);
480: void *target_data = TARGET_CMSG_DATA(target_cmsg);
481:
482: int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
483:
484: space += TARGET_CMSG_SPACE(len);
485: if (space > tswapl(target_msgh->msg_controllen)) {
486: space -= TARGET_CMSG_SPACE(len);
1.1.1.2 root 487: gemu_log("Target cmsg overflow\n");
1.1 root 488: break;
489: }
490:
491: target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
492: target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
493: target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
494:
1.1.1.4 root 495: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 496: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
497: memcpy(target_data, data, len);
498: } else {
499: int *fd = (int *)data;
500: int *target_fd = (int *)target_data;
501: int i, numfds = len / sizeof(int);
502:
503: for (i = 0; i < numfds; i++)
504: target_fd[i] = tswap32(fd[i]);
505: }
506:
507: cmsg = CMSG_NXTHDR(msgh, cmsg);
508: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
509: }
510:
511: msgh->msg_controllen = tswapl(space);
512: }
513:
514: static long do_setsockopt(int sockfd, int level, int optname,
1.1.1.3 root 515: target_ulong optval, socklen_t optlen)
1.1 root 516: {
517: int val, ret;
518:
519: switch(level) {
520: case SOL_TCP:
521: /* TCP options all take an 'int' value. */
522: if (optlen < sizeof(uint32_t))
523: return -EINVAL;
524:
1.1.1.3 root 525: val = tget32(optval);
1.1 root 526: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
527: break;
528: case SOL_IP:
529: switch(optname) {
530: case IP_TOS:
531: case IP_TTL:
532: case IP_HDRINCL:
533: case IP_ROUTER_ALERT:
534: case IP_RECVOPTS:
535: case IP_RETOPTS:
536: case IP_PKTINFO:
537: case IP_MTU_DISCOVER:
538: case IP_RECVERR:
539: case IP_RECVTOS:
540: #ifdef IP_FREEBIND
541: case IP_FREEBIND:
542: #endif
543: case IP_MULTICAST_TTL:
544: case IP_MULTICAST_LOOP:
545: val = 0;
546: if (optlen >= sizeof(uint32_t)) {
1.1.1.3 root 547: val = tget32(optval);
1.1 root 548: } else if (optlen >= 1) {
1.1.1.3 root 549: val = tget8(optval);
1.1 root 550: }
551: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
552: break;
553: default:
554: goto unimplemented;
555: }
556: break;
1.1.1.4 root 557: case TARGET_SOL_SOCKET:
1.1 root 558: switch (optname) {
559: /* Options with 'int' argument. */
1.1.1.4 root 560: case TARGET_SO_DEBUG:
561: optname = SO_DEBUG;
562: break;
563: case TARGET_SO_REUSEADDR:
564: optname = SO_REUSEADDR;
565: break;
566: case TARGET_SO_TYPE:
567: optname = SO_TYPE;
568: break;
569: case TARGET_SO_ERROR:
570: optname = SO_ERROR;
571: break;
572: case TARGET_SO_DONTROUTE:
573: optname = SO_DONTROUTE;
574: break;
575: case TARGET_SO_BROADCAST:
576: optname = SO_BROADCAST;
577: break;
578: case TARGET_SO_SNDBUF:
579: optname = SO_SNDBUF;
580: break;
581: case TARGET_SO_RCVBUF:
582: optname = SO_RCVBUF;
583: break;
584: case TARGET_SO_KEEPALIVE:
585: optname = SO_KEEPALIVE;
586: break;
587: case TARGET_SO_OOBINLINE:
588: optname = SO_OOBINLINE;
589: break;
590: case TARGET_SO_NO_CHECK:
591: optname = SO_NO_CHECK;
592: break;
593: case TARGET_SO_PRIORITY:
594: optname = SO_PRIORITY;
595: break;
1.1 root 596: #ifdef SO_BSDCOMPAT
1.1.1.4 root 597: case TARGET_SO_BSDCOMPAT:
598: optname = SO_BSDCOMPAT;
599: break;
1.1 root 600: #endif
1.1.1.4 root 601: case TARGET_SO_PASSCRED:
602: optname = SO_PASSCRED;
603: break;
604: case TARGET_SO_TIMESTAMP:
605: optname = SO_TIMESTAMP;
606: break;
607: case TARGET_SO_RCVLOWAT:
608: optname = SO_RCVLOWAT;
609: break;
610: case TARGET_SO_RCVTIMEO:
611: optname = SO_RCVTIMEO;
612: break;
613: case TARGET_SO_SNDTIMEO:
614: optname = SO_SNDTIMEO;
615: break;
1.1 root 616: break;
617: default:
618: goto unimplemented;
619: }
1.1.1.4 root 620: if (optlen < sizeof(uint32_t))
621: return -EINVAL;
622:
623: val = tget32(optval);
624: ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
1.1 root 625: break;
626: default:
627: unimplemented:
628: gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
629: ret = -ENOSYS;
630: }
631: return ret;
632: }
633:
634: static long do_getsockopt(int sockfd, int level, int optname,
1.1.1.3 root 635: target_ulong optval, target_ulong optlen)
1.1 root 636: {
637: int len, lv, val, ret;
638:
639: switch(level) {
1.1.1.4 root 640: case TARGET_SOL_SOCKET:
641: level = SOL_SOCKET;
1.1 root 642: switch (optname) {
1.1.1.4 root 643: case TARGET_SO_LINGER:
644: case TARGET_SO_RCVTIMEO:
645: case TARGET_SO_SNDTIMEO:
646: case TARGET_SO_PEERCRED:
647: case TARGET_SO_PEERNAME:
1.1 root 648: /* These don't just return a single integer */
649: goto unimplemented;
650: default:
651: goto int_case;
652: }
653: break;
654: case SOL_TCP:
655: /* TCP options all take an 'int' value. */
656: int_case:
1.1.1.3 root 657: len = tget32(optlen);
1.1 root 658: if (len < 0)
659: return -EINVAL;
660: lv = sizeof(int);
661: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
662: if (ret < 0)
663: return ret;
664: val = tswap32(val);
665: if (len > lv)
666: len = lv;
1.1.1.3 root 667: if (len == 4)
668: tput32(optval, val);
669: else
670: tput8(optval, val);
671: tput32(optlen, len);
1.1 root 672: break;
673: case SOL_IP:
674: switch(optname) {
675: case IP_TOS:
676: case IP_TTL:
677: case IP_HDRINCL:
678: case IP_ROUTER_ALERT:
679: case IP_RECVOPTS:
680: case IP_RETOPTS:
681: case IP_PKTINFO:
682: case IP_MTU_DISCOVER:
683: case IP_RECVERR:
684: case IP_RECVTOS:
685: #ifdef IP_FREEBIND
686: case IP_FREEBIND:
687: #endif
688: case IP_MULTICAST_TTL:
689: case IP_MULTICAST_LOOP:
1.1.1.3 root 690: len = tget32(optlen);
1.1 root 691: if (len < 0)
692: return -EINVAL;
693: lv = sizeof(int);
694: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
695: if (ret < 0)
696: return ret;
697: if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
698: len = 1;
1.1.1.3 root 699: tput32(optlen, len);
700: tput8(optval, val);
1.1 root 701: } else {
702: if (len > sizeof(int))
703: len = sizeof(int);
1.1.1.3 root 704: tput32(optlen, len);
705: tput32(optval, val);
1.1 root 706: }
707: break;
708: default:
709: goto unimplemented;
710: }
711: break;
712: default:
713: unimplemented:
714: gemu_log("getsockopt level=%d optname=%d not yet supported\n",
715: level, optname);
716: ret = -ENOSYS;
717: break;
718: }
719: return ret;
720: }
721:
1.1.1.3 root 722: static void lock_iovec(struct iovec *vec, target_ulong target_addr,
723: int count, int copy)
724: {
725: struct target_iovec *target_vec;
726: target_ulong base;
727: int i;
728:
729: target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
730: for(i = 0;i < count; i++) {
731: base = tswapl(target_vec[i].iov_base);
732: vec[i].iov_len = tswapl(target_vec[i].iov_len);
733: vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
734: }
735: unlock_user (target_vec, target_addr, 0);
736: }
737:
738: static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
739: int count, int copy)
740: {
741: struct target_iovec *target_vec;
742: target_ulong base;
743: int i;
744:
745: target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
746: for(i = 0;i < count; i++) {
747: base = tswapl(target_vec[i].iov_base);
748: unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
749: }
750: unlock_user (target_vec, target_addr, 0);
751: }
752:
1.1.1.4 root 753: static long do_socket(int domain, int type, int protocol)
754: {
755: #if defined(TARGET_MIPS)
756: switch(type) {
757: case TARGET_SOCK_DGRAM:
758: type = SOCK_DGRAM;
759: break;
760: case TARGET_SOCK_STREAM:
761: type = SOCK_STREAM;
762: break;
763: case TARGET_SOCK_RAW:
764: type = SOCK_RAW;
765: break;
766: case TARGET_SOCK_RDM:
767: type = SOCK_RDM;
768: break;
769: case TARGET_SOCK_SEQPACKET:
770: type = SOCK_SEQPACKET;
771: break;
772: case TARGET_SOCK_PACKET:
773: type = SOCK_PACKET;
774: break;
775: }
776: #endif
777: return get_errno(socket(domain, type, protocol));
778: }
779:
780: static long do_bind(int sockfd, target_ulong target_addr,
781: socklen_t addrlen)
782: {
783: void *addr = alloca(addrlen);
784:
785: target_to_host_sockaddr(addr, target_addr, addrlen);
786: return get_errno(bind(sockfd, addr, addrlen));
787: }
788:
789: static long do_connect(int sockfd, target_ulong target_addr,
790: socklen_t addrlen)
791: {
792: void *addr = alloca(addrlen);
793:
794: target_to_host_sockaddr(addr, target_addr, addrlen);
795: return get_errno(connect(sockfd, addr, addrlen));
796: }
797:
798: static long do_sendrecvmsg(int fd, target_ulong target_msg,
799: int flags, int send)
800: {
801: long ret;
802: struct target_msghdr *msgp;
803: struct msghdr msg;
804: int count;
805: struct iovec *vec;
806: target_ulong target_vec;
807:
808: lock_user_struct(msgp, target_msg, 1);
809: if (msgp->msg_name) {
810: msg.msg_namelen = tswap32(msgp->msg_namelen);
811: msg.msg_name = alloca(msg.msg_namelen);
812: target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
813: msg.msg_namelen);
814: } else {
815: msg.msg_name = NULL;
816: msg.msg_namelen = 0;
817: }
818: msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
819: msg.msg_control = alloca(msg.msg_controllen);
820: msg.msg_flags = tswap32(msgp->msg_flags);
821:
822: count = tswapl(msgp->msg_iovlen);
823: vec = alloca(count * sizeof(struct iovec));
824: target_vec = tswapl(msgp->msg_iov);
825: lock_iovec(vec, target_vec, count, send);
826: msg.msg_iovlen = count;
827: msg.msg_iov = vec;
828:
829: if (send) {
830: target_to_host_cmsg(&msg, msgp);
831: ret = get_errno(sendmsg(fd, &msg, flags));
832: } else {
833: ret = get_errno(recvmsg(fd, &msg, flags));
834: if (!is_error(ret))
835: host_to_target_cmsg(msgp, &msg);
836: }
837: unlock_iovec(vec, target_vec, count, !send);
838: return ret;
839: }
840:
1.1.1.5 ! root 841: static long do_accept(int fd, target_ulong target_addr,
! 842: target_ulong target_addrlen)
! 843: {
! 844: socklen_t addrlen = tget32(target_addrlen);
! 845: void *addr = alloca(addrlen);
! 846: long ret;
! 847:
! 848: ret = get_errno(accept(fd, addr, &addrlen));
! 849: if (!is_error(ret)) {
! 850: host_to_target_sockaddr(target_addr, addr, addrlen);
! 851: tput32(target_addrlen, addrlen);
! 852: }
! 853: return ret;
! 854: }
! 855:
! 856: static long do_getpeername(int fd, target_ulong target_addr,
! 857: target_ulong target_addrlen)
! 858: {
! 859: socklen_t addrlen = tget32(target_addrlen);
! 860: void *addr = alloca(target_addrlen);
! 861: long ret;
! 862:
! 863: ret = get_errno(getpeername(fd, addr, &addrlen));
! 864: if (!is_error(ret)) {
! 865: host_to_target_sockaddr(target_addr, addr, addrlen);
! 866: tput32(target_addrlen, addrlen);
! 867: }
! 868: return ret;
! 869: }
! 870:
! 871: static long do_getsockname(int fd, target_ulong target_addr,
! 872: target_ulong target_addrlen)
! 873: {
! 874: socklen_t addrlen = tget32(target_addrlen);
! 875: void *addr = alloca(target_addrlen);
! 876: long ret;
! 877:
! 878: ret = get_errno(getsockname(fd, addr, &addrlen));
! 879: if (!is_error(ret)) {
! 880: host_to_target_sockaddr(target_addr, addr, addrlen);
! 881: tput32(target_addrlen, addrlen);
! 882: }
! 883: return ret;
! 884: }
! 885:
! 886: static long do_socketpair(int domain, int type, int protocol,
! 887: target_ulong target_tab)
! 888: {
! 889: int tab[2];
! 890: long ret;
! 891:
! 892: ret = get_errno(socketpair(domain, type, protocol, tab));
! 893: if (!is_error(ret)) {
! 894: tput32(target_tab, tab[0]);
! 895: tput32(target_tab + 4, tab[1]);
! 896: }
! 897: return ret;
! 898: }
! 899:
! 900: static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
! 901: target_ulong target_addr, socklen_t addrlen)
! 902: {
! 903: void *addr;
! 904: void *host_msg;
! 905: long ret;
! 906:
! 907: host_msg = lock_user(msg, len, 1);
! 908: if (target_addr) {
! 909: addr = alloca(addrlen);
! 910: target_to_host_sockaddr(addr, target_addr, addrlen);
! 911: ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
! 912: } else {
! 913: ret = get_errno(send(fd, host_msg, len, flags));
! 914: }
! 915: unlock_user(host_msg, msg, 0);
! 916: return ret;
! 917: }
! 918:
! 919: static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
! 920: target_ulong target_addr, target_ulong target_addrlen)
! 921: {
! 922: socklen_t addrlen;
! 923: void *addr;
! 924: void *host_msg;
! 925: long ret;
! 926:
! 927: host_msg = lock_user(msg, len, 0);
! 928: if (target_addr) {
! 929: addrlen = tget32(target_addrlen);
! 930: addr = alloca(addrlen);
! 931: ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
! 932: } else {
! 933: addr = NULL; /* To keep compiler quiet. */
! 934: ret = get_errno(recv(fd, host_msg, len, flags));
! 935: }
! 936: if (!is_error(ret)) {
! 937: if (target_addr) {
! 938: host_to_target_sockaddr(target_addr, addr, addrlen);
! 939: tput32(target_addrlen, addrlen);
! 940: }
! 941: unlock_user(host_msg, msg, len);
! 942: } else {
! 943: unlock_user(host_msg, msg, 0);
! 944: }
! 945: return ret;
! 946: }
! 947:
1.1.1.3 root 948: static long do_socketcall(int num, target_ulong vptr)
1.1 root 949: {
950: long ret;
1.1.1.3 root 951: const int n = sizeof(target_ulong);
1.1 root 952:
953: switch(num) {
954: case SOCKOP_socket:
955: {
1.1.1.3 root 956: int domain = tgetl(vptr);
957: int type = tgetl(vptr + n);
958: int protocol = tgetl(vptr + 2 * n);
1.1.1.4 root 959: ret = do_socket(domain, type, protocol);
1.1 root 960: }
961: break;
962: case SOCKOP_bind:
963: {
1.1.1.3 root 964: int sockfd = tgetl(vptr);
965: target_ulong target_addr = tgetl(vptr + n);
966: socklen_t addrlen = tgetl(vptr + 2 * n);
1.1.1.4 root 967: ret = do_bind(sockfd, target_addr, addrlen);
1.1 root 968: }
969: break;
970: case SOCKOP_connect:
971: {
1.1.1.3 root 972: int sockfd = tgetl(vptr);
973: target_ulong target_addr = tgetl(vptr + n);
974: socklen_t addrlen = tgetl(vptr + 2 * n);
1.1.1.4 root 975: ret = do_connect(sockfd, target_addr, addrlen);
1.1 root 976: }
977: break;
978: case SOCKOP_listen:
979: {
1.1.1.3 root 980: int sockfd = tgetl(vptr);
981: int backlog = tgetl(vptr + n);
1.1 root 982: ret = get_errno(listen(sockfd, backlog));
983: }
984: break;
985: case SOCKOP_accept:
986: {
1.1.1.3 root 987: int sockfd = tgetl(vptr);
988: target_ulong target_addr = tgetl(vptr + n);
989: target_ulong target_addrlen = tgetl(vptr + 2 * n);
1.1.1.5 ! root 990: ret = do_accept(sockfd, target_addr, target_addrlen);
1.1 root 991: }
992: break;
993: case SOCKOP_getsockname:
994: {
1.1.1.3 root 995: int sockfd = tgetl(vptr);
996: target_ulong target_addr = tgetl(vptr + n);
997: target_ulong target_addrlen = tgetl(vptr + 2 * n);
1.1.1.5 ! root 998: ret = do_getsockname(sockfd, target_addr, target_addrlen);
1.1 root 999: }
1000: break;
1001: case SOCKOP_getpeername:
1002: {
1.1.1.3 root 1003: int sockfd = tgetl(vptr);
1004: target_ulong target_addr = tgetl(vptr + n);
1005: target_ulong target_addrlen = tgetl(vptr + 2 * n);
1.1.1.5 ! root 1006: ret = do_getpeername(sockfd, target_addr, target_addrlen);
1.1 root 1007: }
1008: break;
1009: case SOCKOP_socketpair:
1010: {
1.1.1.3 root 1011: int domain = tgetl(vptr);
1012: int type = tgetl(vptr + n);
1013: int protocol = tgetl(vptr + 2 * n);
1.1.1.5 ! root 1014: target_ulong tab = tgetl(vptr + 3 * n);
! 1015: ret = do_socketpair(domain, type, protocol, tab);
1.1 root 1016: }
1017: break;
1018: case SOCKOP_send:
1019: {
1.1.1.3 root 1020: int sockfd = tgetl(vptr);
1021: target_ulong msg = tgetl(vptr + n);
1022: size_t len = tgetl(vptr + 2 * n);
1023: int flags = tgetl(vptr + 3 * n);
1.1.1.5 ! root 1024: ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1.1 root 1025: }
1026: break;
1027: case SOCKOP_recv:
1028: {
1.1.1.3 root 1029: int sockfd = tgetl(vptr);
1030: target_ulong msg = tgetl(vptr + n);
1031: size_t len = tgetl(vptr + 2 * n);
1032: int flags = tgetl(vptr + 3 * n);
1.1.1.5 ! root 1033: ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1.1 root 1034: }
1035: break;
1036: case SOCKOP_sendto:
1037: {
1.1.1.3 root 1038: int sockfd = tgetl(vptr);
1039: target_ulong msg = tgetl(vptr + n);
1040: size_t len = tgetl(vptr + 2 * n);
1041: int flags = tgetl(vptr + 3 * n);
1.1.1.5 ! root 1042: target_ulong addr = tgetl(vptr + 4 * n);
1.1.1.3 root 1043: socklen_t addrlen = tgetl(vptr + 5 * n);
1.1.1.5 ! root 1044: ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1.1 root 1045: }
1046: break;
1047: case SOCKOP_recvfrom:
1048: {
1.1.1.3 root 1049: int sockfd = tgetl(vptr);
1050: target_ulong msg = tgetl(vptr + n);
1051: size_t len = tgetl(vptr + 2 * n);
1052: int flags = tgetl(vptr + 3 * n);
1.1.1.5 ! root 1053: target_ulong addr = tgetl(vptr + 4 * n);
! 1054: target_ulong addrlen = tgetl(vptr + 5 * n);
! 1055: ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1.1 root 1056: }
1057: break;
1058: case SOCKOP_shutdown:
1059: {
1.1.1.3 root 1060: int sockfd = tgetl(vptr);
1061: int how = tgetl(vptr + n);
1.1 root 1062:
1063: ret = get_errno(shutdown(sockfd, how));
1064: }
1065: break;
1066: case SOCKOP_sendmsg:
1067: case SOCKOP_recvmsg:
1068: {
1069: int fd;
1.1.1.3 root 1070: target_ulong target_msg;
1.1.1.4 root 1071: int flags;
1.1 root 1072:
1.1.1.3 root 1073: fd = tgetl(vptr);
1.1.1.4 root 1074: target_msg = tgetl(vptr + n);
1.1.1.3 root 1075: flags = tgetl(vptr + 2 * n);
1.1.1.4 root 1076:
1077: ret = do_sendrecvmsg(fd, target_msg, flags,
1078: (num == SOCKOP_sendmsg));
1.1 root 1079: }
1080: break;
1081: case SOCKOP_setsockopt:
1082: {
1.1.1.3 root 1083: int sockfd = tgetl(vptr);
1084: int level = tgetl(vptr + n);
1085: int optname = tgetl(vptr + 2 * n);
1086: target_ulong optval = tgetl(vptr + 3 * n);
1087: socklen_t optlen = tgetl(vptr + 4 * n);
1.1 root 1088:
1089: ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1090: }
1091: break;
1092: case SOCKOP_getsockopt:
1093: {
1.1.1.3 root 1094: int sockfd = tgetl(vptr);
1095: int level = tgetl(vptr + n);
1096: int optname = tgetl(vptr + 2 * n);
1097: target_ulong optval = tgetl(vptr + 3 * n);
1098: target_ulong poptlen = tgetl(vptr + 4 * n);
1.1 root 1099:
1100: ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
1101: }
1102: break;
1103: default:
1104: gemu_log("Unsupported socketcall: %d\n", num);
1105: ret = -ENOSYS;
1106: break;
1107: }
1108: return ret;
1109: }
1110:
1111: #define N_SHM_REGIONS 32
1112:
1113: static struct shm_region {
1114: uint32_t start;
1115: uint32_t size;
1116: } shm_regions[N_SHM_REGIONS];
1117:
1.1.1.5 ! root 1118: union semun {
! 1119: int val;
! 1120: struct senid_ds *buf;
! 1121: unsigned short *array;
! 1122: };
! 1123:
1.1.1.3 root 1124: /* ??? This only works with linear mappings. */
1.1 root 1125: static long do_ipc(long call, long first, long second, long third,
1126: long ptr, long fifth)
1127: {
1128: int version;
1129: long ret = 0;
1130: unsigned long raddr;
1131: struct shmid_ds shm_info;
1132: int i;
1133:
1134: version = call >> 16;
1135: call &= 0xffff;
1136:
1137: switch (call) {
1.1.1.5 ! root 1138: case IPCOP_semop:
! 1139: ret = get_errno(semop(first,(struct sembuf *) ptr, second));
! 1140: break;
! 1141:
! 1142: case IPCOP_semget:
! 1143: ret = get_errno(semget(first, second, third));
! 1144: break;
! 1145:
! 1146: case IPCOP_semctl:
! 1147: ret = get_errno(semctl(first, second, third, ((union semun*)ptr)->val));
! 1148:
! 1149: break;
! 1150:
! 1151: case IPCOP_semtimedop:
! 1152: gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
! 1153: ret = -ENOSYS;
! 1154: break;
! 1155:
! 1156: case IPCOP_msgget:
! 1157: ret = get_errno(msgget(first, second));
! 1158: break;
! 1159:
! 1160: case IPCOP_msgsnd:
! 1161: ret = get_errno(msgsnd(first, (struct msgbuf *) ptr, second, third));
! 1162: break;
! 1163:
! 1164: case IPCOP_msgctl:
! 1165: ret = get_errno(msgctl(first, second, (struct msqid_ds *) ptr));
! 1166: break;
! 1167:
! 1168: case IPCOP_msgrcv:
! 1169: {
! 1170: struct ipc_kludge
! 1171: {
! 1172: void *__unbounded msgp;
! 1173: long int msgtyp;
! 1174: };
! 1175:
! 1176: struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
! 1177: struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
! 1178:
! 1179: ret = get_errno(msgrcv(first, msgp, second, 0, third));
! 1180:
! 1181: }
! 1182: break;
! 1183:
1.1 root 1184: case IPCOP_shmat:
1185: /* SHM_* flags are the same on all linux platforms */
1186: ret = get_errno((long) shmat(first, (void *) ptr, second));
1187: if (is_error(ret))
1188: break;
1189: raddr = ret;
1190: /* find out the length of the shared memory segment */
1191:
1192: ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1193: if (is_error(ret)) {
1194: /* can't get length, bail out */
1195: shmdt((void *) raddr);
1196: break;
1197: }
1198: page_set_flags(raddr, raddr + shm_info.shm_segsz,
1199: PAGE_VALID | PAGE_READ |
1200: ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1201: for (i = 0; i < N_SHM_REGIONS; ++i) {
1202: if (shm_regions[i].start == 0) {
1203: shm_regions[i].start = raddr;
1204: shm_regions[i].size = shm_info.shm_segsz;
1205: break;
1206: }
1207: }
1208: if (put_user(raddr, (uint32_t *)third))
1209: return -EFAULT;
1210: ret = 0;
1211: break;
1212: case IPCOP_shmdt:
1213: for (i = 0; i < N_SHM_REGIONS; ++i) {
1214: if (shm_regions[i].start == ptr) {
1215: shm_regions[i].start = 0;
1216: page_set_flags(ptr, shm_regions[i].size, 0);
1217: break;
1218: }
1219: }
1220: ret = get_errno(shmdt((void *) ptr));
1221: break;
1222:
1223: case IPCOP_shmget:
1224: /* IPC_* flag values are the same on all linux platforms */
1225: ret = get_errno(shmget(first, second, third));
1226: break;
1227:
1228: /* IPC_* and SHM_* command values are the same on all linux platforms */
1229: case IPCOP_shmctl:
1230: switch(second) {
1231: case IPC_RMID:
1232: case SHM_LOCK:
1233: case SHM_UNLOCK:
1234: ret = get_errno(shmctl(first, second, NULL));
1235: break;
1236: default:
1237: goto unimplemented;
1238: }
1239: break;
1240: default:
1241: unimplemented:
1242: gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1243: ret = -ENOSYS;
1244: break;
1245: }
1246: return ret;
1247: }
1248:
1249: /* kernel structure types definitions */
1250: #define IFNAMSIZ 16
1251:
1252: #define STRUCT(name, list...) STRUCT_ ## name,
1253: #define STRUCT_SPECIAL(name) STRUCT_ ## name,
1254: enum {
1255: #include "syscall_types.h"
1256: };
1257: #undef STRUCT
1258: #undef STRUCT_SPECIAL
1259:
1260: #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1261: #define STRUCT_SPECIAL(name)
1262: #include "syscall_types.h"
1263: #undef STRUCT
1264: #undef STRUCT_SPECIAL
1265:
1266: typedef struct IOCTLEntry {
1267: unsigned int target_cmd;
1268: unsigned int host_cmd;
1269: const char *name;
1270: int access;
1271: const argtype arg_type[5];
1272: } IOCTLEntry;
1273:
1274: #define IOC_R 0x0001
1275: #define IOC_W 0x0002
1276: #define IOC_RW (IOC_R | IOC_W)
1277:
1278: #define MAX_STRUCT_SIZE 4096
1279:
1280: IOCTLEntry ioctl_entries[] = {
1281: #define IOCTL(cmd, access, types...) \
1282: { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1283: #include "ioctls.h"
1284: { 0, 0, },
1285: };
1286:
1.1.1.3 root 1287: /* ??? Implement proper locking for ioctls. */
1.1 root 1288: static long do_ioctl(long fd, long cmd, long arg)
1289: {
1290: const IOCTLEntry *ie;
1291: const argtype *arg_type;
1292: long ret;
1293: uint8_t buf_temp[MAX_STRUCT_SIZE];
1.1.1.3 root 1294: int target_size;
1295: void *argptr;
1.1 root 1296:
1297: ie = ioctl_entries;
1298: for(;;) {
1299: if (ie->target_cmd == 0) {
1300: gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1301: return -ENOSYS;
1302: }
1303: if (ie->target_cmd == cmd)
1304: break;
1305: ie++;
1306: }
1307: arg_type = ie->arg_type;
1308: #if defined(DEBUG)
1309: gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1310: #endif
1311: switch(arg_type[0]) {
1312: case TYPE_NULL:
1313: /* no argument */
1314: ret = get_errno(ioctl(fd, ie->host_cmd));
1315: break;
1316: case TYPE_PTRVOID:
1317: case TYPE_INT:
1318: /* int argment */
1319: ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1320: break;
1321: case TYPE_PTR:
1322: arg_type++;
1.1.1.3 root 1323: target_size = thunk_type_size(arg_type, 0);
1.1 root 1324: switch(ie->access) {
1325: case IOC_R:
1326: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1327: if (!is_error(ret)) {
1.1.1.3 root 1328: argptr = lock_user(arg, target_size, 0);
1329: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1330: unlock_user(argptr, arg, target_size);
1.1 root 1331: }
1332: break;
1333: case IOC_W:
1.1.1.3 root 1334: argptr = lock_user(arg, target_size, 1);
1335: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1336: unlock_user(argptr, arg, 0);
1.1 root 1337: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1338: break;
1339: default:
1340: case IOC_RW:
1.1.1.3 root 1341: argptr = lock_user(arg, target_size, 1);
1342: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1343: unlock_user(argptr, arg, 0);
1.1 root 1344: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1345: if (!is_error(ret)) {
1.1.1.3 root 1346: argptr = lock_user(arg, target_size, 0);
1347: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1348: unlock_user(argptr, arg, target_size);
1.1 root 1349: }
1350: break;
1351: }
1352: break;
1353: default:
1354: gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1355: ret = -ENOSYS;
1356: break;
1357: }
1358: return ret;
1359: }
1360:
1361: bitmask_transtbl iflag_tbl[] = {
1362: { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1363: { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1364: { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1365: { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1366: { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1367: { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1368: { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1369: { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1370: { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1371: { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1372: { TARGET_IXON, TARGET_IXON, IXON, IXON },
1373: { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1374: { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1375: { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1376: { 0, 0, 0, 0 }
1377: };
1378:
1379: bitmask_transtbl oflag_tbl[] = {
1380: { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1381: { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1382: { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1383: { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1384: { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1385: { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1386: { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1387: { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1388: { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1389: { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1390: { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1391: { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1392: { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1393: { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1394: { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1395: { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1396: { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1397: { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1398: { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1399: { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1400: { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1401: { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1402: { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1403: { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1404: { 0, 0, 0, 0 }
1405: };
1406:
1407: bitmask_transtbl cflag_tbl[] = {
1408: { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1409: { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1410: { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1411: { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1412: { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1413: { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1414: { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1415: { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1416: { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1417: { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1418: { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1419: { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1420: { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1421: { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1422: { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1423: { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1424: { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1425: { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1426: { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1427: { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1428: { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1429: { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1430: { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1431: { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1432: { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1433: { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1434: { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1435: { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1436: { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1437: { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1438: { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1439: { 0, 0, 0, 0 }
1440: };
1441:
1442: bitmask_transtbl lflag_tbl[] = {
1443: { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1444: { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1445: { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1446: { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1447: { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1448: { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1449: { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1450: { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1451: { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1452: { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1453: { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1454: { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1455: { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1456: { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1457: { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1458: { 0, 0, 0, 0 }
1459: };
1460:
1461: static void target_to_host_termios (void *dst, const void *src)
1462: {
1463: struct host_termios *host = dst;
1464: const struct target_termios *target = src;
1465:
1466: host->c_iflag =
1467: target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1468: host->c_oflag =
1469: target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1470: host->c_cflag =
1471: target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1472: host->c_lflag =
1473: target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1474: host->c_line = target->c_line;
1475:
1476: host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1477: host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1478: host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1479: host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1480: host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1481: host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1482: host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1483: host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1484: host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1485: host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1486: host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1487: host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1488: host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1489: host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1490: host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1491: host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1492: host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1493: }
1494:
1495: static void host_to_target_termios (void *dst, const void *src)
1496: {
1497: struct target_termios *target = dst;
1498: const struct host_termios *host = src;
1499:
1500: target->c_iflag =
1501: tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1502: target->c_oflag =
1503: tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1504: target->c_cflag =
1505: tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1506: target->c_lflag =
1507: tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1508: target->c_line = host->c_line;
1509:
1510: target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1511: target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1512: target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1513: target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1514: target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1515: target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1516: target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1517: target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1518: target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1519: target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1520: target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1521: target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1522: target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1523: target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1524: target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1525: target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1526: target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1527: }
1528:
1529: StructEntry struct_termios_def = {
1530: .convert = { host_to_target_termios, target_to_host_termios },
1531: .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1532: .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1533: };
1534:
1535: static bitmask_transtbl mmap_flags_tbl[] = {
1536: { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1537: { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1538: { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1539: { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1540: { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1541: { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1542: { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1543: { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1544: { 0, 0, 0, 0 }
1545: };
1546:
1547: static bitmask_transtbl fcntl_flags_tbl[] = {
1548: { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1549: { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1550: { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1551: { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1552: { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1553: { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1554: { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1555: { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1556: { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1557: { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1558: { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1559: { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1560: { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1561: #if defined(O_DIRECT)
1562: { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
1563: #endif
1564: { 0, 0, 0, 0 }
1565: };
1566:
1567: #if defined(TARGET_I386)
1568:
1569: /* NOTE: there is really one LDT for all the threads */
1570: uint8_t *ldt_table;
1571:
1.1.1.3 root 1572: static int read_ldt(target_ulong ptr, unsigned long bytecount)
1.1 root 1573: {
1574: int size;
1.1.1.3 root 1575: void *p;
1.1 root 1576:
1577: if (!ldt_table)
1578: return 0;
1579: size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1580: if (size > bytecount)
1581: size = bytecount;
1.1.1.3 root 1582: p = lock_user(ptr, size, 0);
1583: /* ??? Shoudl this by byteswapped? */
1584: memcpy(p, ldt_table, size);
1585: unlock_user(p, ptr, size);
1.1 root 1586: return size;
1587: }
1588:
1589: /* XXX: add locking support */
1590: static int write_ldt(CPUX86State *env,
1.1.1.3 root 1591: target_ulong ptr, unsigned long bytecount, int oldmode)
1.1 root 1592: {
1593: struct target_modify_ldt_ldt_s ldt_info;
1.1.1.3 root 1594: struct target_modify_ldt_ldt_s *target_ldt_info;
1.1 root 1595: int seg_32bit, contents, read_exec_only, limit_in_pages;
1596: int seg_not_present, useable;
1597: uint32_t *lp, entry_1, entry_2;
1598:
1599: if (bytecount != sizeof(ldt_info))
1600: return -EINVAL;
1.1.1.3 root 1601: lock_user_struct(target_ldt_info, ptr, 1);
1602: ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1603: ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1604: ldt_info.limit = tswap32(target_ldt_info->limit);
1605: ldt_info.flags = tswap32(target_ldt_info->flags);
1606: unlock_user_struct(target_ldt_info, ptr, 0);
1.1 root 1607:
1608: if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1609: return -EINVAL;
1610: seg_32bit = ldt_info.flags & 1;
1611: contents = (ldt_info.flags >> 1) & 3;
1612: read_exec_only = (ldt_info.flags >> 3) & 1;
1613: limit_in_pages = (ldt_info.flags >> 4) & 1;
1614: seg_not_present = (ldt_info.flags >> 5) & 1;
1615: useable = (ldt_info.flags >> 6) & 1;
1616:
1617: if (contents == 3) {
1618: if (oldmode)
1619: return -EINVAL;
1620: if (seg_not_present == 0)
1621: return -EINVAL;
1622: }
1623: /* allocate the LDT */
1624: if (!ldt_table) {
1625: ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1626: if (!ldt_table)
1627: return -ENOMEM;
1628: memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1.1.1.3 root 1629: env->ldt.base = h2g(ldt_table);
1.1 root 1630: env->ldt.limit = 0xffff;
1631: }
1632:
1633: /* NOTE: same code as Linux kernel */
1634: /* Allow LDTs to be cleared by the user. */
1635: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1636: if (oldmode ||
1637: (contents == 0 &&
1638: read_exec_only == 1 &&
1639: seg_32bit == 0 &&
1640: limit_in_pages == 0 &&
1641: seg_not_present == 1 &&
1642: useable == 0 )) {
1643: entry_1 = 0;
1644: entry_2 = 0;
1645: goto install;
1646: }
1647: }
1648:
1649: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1650: (ldt_info.limit & 0x0ffff);
1651: entry_2 = (ldt_info.base_addr & 0xff000000) |
1652: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1653: (ldt_info.limit & 0xf0000) |
1654: ((read_exec_only ^ 1) << 9) |
1655: (contents << 10) |
1656: ((seg_not_present ^ 1) << 15) |
1657: (seg_32bit << 22) |
1658: (limit_in_pages << 23) |
1659: 0x7000;
1660: if (!oldmode)
1661: entry_2 |= (useable << 20);
1662:
1663: /* Install the new entry ... */
1664: install:
1665: lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1666: lp[0] = tswap32(entry_1);
1667: lp[1] = tswap32(entry_2);
1668: return 0;
1669: }
1670:
1671: /* specific and weird i386 syscalls */
1.1.1.3 root 1672: int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
1.1 root 1673: {
1674: int ret = -ENOSYS;
1675:
1676: switch (func) {
1677: case 0:
1678: ret = read_ldt(ptr, bytecount);
1679: break;
1680: case 1:
1681: ret = write_ldt(env, ptr, bytecount, 1);
1682: break;
1683: case 0x11:
1684: ret = write_ldt(env, ptr, bytecount, 0);
1685: break;
1686: }
1687: return ret;
1688: }
1689:
1690: #endif /* defined(TARGET_I386) */
1691:
1692: /* this stack is the equivalent of the kernel stack associated with a
1693: thread/process */
1694: #define NEW_STACK_SIZE 8192
1695:
1696: static int clone_func(void *arg)
1697: {
1698: CPUState *env = arg;
1699: cpu_loop(env);
1700: /* never exits */
1701: return 0;
1702: }
1703:
1704: int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1705: {
1706: int ret;
1707: TaskState *ts;
1708: uint8_t *new_stack;
1709: CPUState *new_env;
1710:
1711: if (flags & CLONE_VM) {
1712: ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1713: memset(ts, 0, sizeof(TaskState));
1714: new_stack = ts->stack;
1715: ts->used = 1;
1716: /* add in task state list */
1717: ts->next = first_task_state;
1718: first_task_state = ts;
1719: /* we create a new CPU instance. */
1720: new_env = cpu_init();
1721: memcpy(new_env, env, sizeof(CPUState));
1722: #if defined(TARGET_I386)
1723: if (!newsp)
1724: newsp = env->regs[R_ESP];
1725: new_env->regs[R_ESP] = newsp;
1726: new_env->regs[R_EAX] = 0;
1727: #elif defined(TARGET_ARM)
1728: if (!newsp)
1729: newsp = env->regs[13];
1730: new_env->regs[13] = newsp;
1731: new_env->regs[0] = 0;
1732: #elif defined(TARGET_SPARC)
1.1.1.4 root 1733: if (!newsp)
1734: newsp = env->regwptr[22];
1735: new_env->regwptr[22] = newsp;
1736: new_env->regwptr[0] = 0;
1737: /* XXXXX */
1.1 root 1738: printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1.1.1.5 ! root 1739: #elif defined(TARGET_M68K)
! 1740: if (!newsp)
! 1741: newsp = env->aregs[7];
! 1742: new_env->aregs[7] = newsp;
! 1743: new_env->dregs[0] = 0;
! 1744: /* ??? is this sufficient? */
1.1.1.2 root 1745: #elif defined(TARGET_MIPS)
1746: printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1.1 root 1747: #elif defined(TARGET_PPC)
1748: if (!newsp)
1749: newsp = env->gpr[1];
1750: new_env->gpr[1] = newsp;
1751: {
1752: int i;
1753: for (i = 7; i < 32; i++)
1754: new_env->gpr[i] = 0;
1755: }
1.1.1.3 root 1756: #elif defined(TARGET_SH4)
1757: if (!newsp)
1758: newsp = env->gregs[15];
1759: new_env->gregs[15] = newsp;
1760: /* XXXXX */
1.1 root 1761: #else
1762: #error unsupported target CPU
1763: #endif
1764: new_env->opaque = ts;
1765: #ifdef __ia64__
1.1.1.3 root 1766: ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1.1 root 1767: #else
1768: ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1769: #endif
1770: } else {
1771: /* if no CLONE_VM, we consider it is a fork */
1772: if ((flags & ~CSIGNAL) != 0)
1773: return -EINVAL;
1774: ret = fork();
1775: }
1776: return ret;
1777: }
1778:
1.1.1.3 root 1779: static long do_fcntl(int fd, int cmd, target_ulong arg)
1.1 root 1780: {
1781: struct flock fl;
1.1.1.3 root 1782: struct target_flock *target_fl;
1.1.1.5 ! root 1783: struct flock64 fl64;
! 1784: struct target_flock64 *target_fl64;
1.1 root 1785: long ret;
1.1.1.3 root 1786:
1.1 root 1787: switch(cmd) {
1788: case TARGET_F_GETLK:
1789: ret = fcntl(fd, cmd, &fl);
1790: if (ret == 0) {
1.1.1.3 root 1791: lock_user_struct(target_fl, arg, 0);
1.1 root 1792: target_fl->l_type = tswap16(fl.l_type);
1793: target_fl->l_whence = tswap16(fl.l_whence);
1794: target_fl->l_start = tswapl(fl.l_start);
1795: target_fl->l_len = tswapl(fl.l_len);
1796: target_fl->l_pid = tswapl(fl.l_pid);
1.1.1.3 root 1797: unlock_user_struct(target_fl, arg, 1);
1.1 root 1798: }
1799: break;
1800:
1801: case TARGET_F_SETLK:
1802: case TARGET_F_SETLKW:
1.1.1.3 root 1803: lock_user_struct(target_fl, arg, 1);
1.1 root 1804: fl.l_type = tswap16(target_fl->l_type);
1805: fl.l_whence = tswap16(target_fl->l_whence);
1806: fl.l_start = tswapl(target_fl->l_start);
1807: fl.l_len = tswapl(target_fl->l_len);
1808: fl.l_pid = tswapl(target_fl->l_pid);
1.1.1.3 root 1809: unlock_user_struct(target_fl, arg, 0);
1.1 root 1810: ret = fcntl(fd, cmd, &fl);
1811: break;
1812:
1813: case TARGET_F_GETLK64:
1.1.1.5 ! root 1814: ret = fcntl(fd, cmd >> 1, &fl64);
! 1815: if (ret == 0) {
! 1816: lock_user_struct(target_fl64, arg, 0);
! 1817: target_fl64->l_type = tswap16(fl64.l_type) >> 1;
! 1818: target_fl64->l_whence = tswap16(fl64.l_whence);
! 1819: target_fl64->l_start = tswapl(fl64.l_start);
! 1820: target_fl64->l_len = tswapl(fl64.l_len);
! 1821: target_fl64->l_pid = tswapl(fl64.l_pid);
! 1822: unlock_user_struct(target_fl64, arg, 1);
! 1823: }
! 1824: break;
1.1 root 1825: case TARGET_F_SETLK64:
1826: case TARGET_F_SETLKW64:
1.1.1.5 ! root 1827: lock_user_struct(target_fl64, arg, 1);
! 1828: fl64.l_type = tswap16(target_fl64->l_type) >> 1;
! 1829: fl64.l_whence = tswap16(target_fl64->l_whence);
! 1830: fl64.l_start = tswapl(target_fl64->l_start);
! 1831: fl64.l_len = tswapl(target_fl64->l_len);
! 1832: fl64.l_pid = tswap16(target_fl64->l_pid);
! 1833: unlock_user_struct(target_fl64, arg, 0);
! 1834: ret = fcntl(fd, cmd >> 1, &fl64);
1.1 root 1835: break;
1836:
1837: case F_GETFL:
1838: ret = fcntl(fd, cmd, arg);
1839: ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1840: break;
1841:
1842: case F_SETFL:
1843: ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1844: break;
1845:
1846: default:
1847: ret = fcntl(fd, cmd, arg);
1848: break;
1849: }
1850: return ret;
1851: }
1852:
1853: #ifdef USE_UID16
1854:
1855: static inline int high2lowuid(int uid)
1856: {
1857: if (uid > 65535)
1858: return 65534;
1859: else
1860: return uid;
1861: }
1862:
1863: static inline int high2lowgid(int gid)
1864: {
1865: if (gid > 65535)
1866: return 65534;
1867: else
1868: return gid;
1869: }
1870:
1871: static inline int low2highuid(int uid)
1872: {
1873: if ((int16_t)uid == -1)
1874: return -1;
1875: else
1876: return uid;
1877: }
1878:
1879: static inline int low2highgid(int gid)
1880: {
1881: if ((int16_t)gid == -1)
1882: return -1;
1883: else
1884: return gid;
1885: }
1886:
1887: #endif /* USE_UID16 */
1888:
1889: void syscall_init(void)
1890: {
1891: IOCTLEntry *ie;
1892: const argtype *arg_type;
1893: int size;
1894:
1895: #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1896: #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1897: #include "syscall_types.h"
1898: #undef STRUCT
1899: #undef STRUCT_SPECIAL
1900:
1901: /* we patch the ioctl size if necessary. We rely on the fact that
1902: no ioctl has all the bits at '1' in the size field */
1903: ie = ioctl_entries;
1904: while (ie->target_cmd != 0) {
1905: if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1906: TARGET_IOC_SIZEMASK) {
1907: arg_type = ie->arg_type;
1908: if (arg_type[0] != TYPE_PTR) {
1909: fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1910: ie->target_cmd);
1911: exit(1);
1912: }
1913: arg_type++;
1914: size = thunk_type_size(arg_type, 0);
1915: ie->target_cmd = (ie->target_cmd &
1916: ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1917: (size << TARGET_IOC_SIZESHIFT);
1918: }
1919: /* automatic consistency check if same arch */
1920: #if defined(__i386__) && defined(TARGET_I386)
1921: if (ie->target_cmd != ie->host_cmd) {
1922: fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1923: ie->target_cmd, ie->host_cmd);
1924: }
1925: #endif
1926: ie++;
1927: }
1928: }
1929:
1.1.1.3 root 1930: static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1931: {
1932: #ifdef TARGET_WORDS_BIG_ENDIAN
1933: return ((uint64_t)word0 << 32) | word1;
1934: #else
1935: return ((uint64_t)word1 << 32) | word0;
1936: #endif
1937: }
1938:
1939: #ifdef TARGET_NR_truncate64
1940: static inline long target_truncate64(void *cpu_env, const char *arg1,
1941: long arg2, long arg3, long arg4)
1942: {
1943: #ifdef TARGET_ARM
1944: if (((CPUARMState *)cpu_env)->eabi)
1945: {
1946: arg2 = arg3;
1947: arg3 = arg4;
1948: }
1949: #endif
1950: return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1951: }
1952: #endif
1953:
1954: #ifdef TARGET_NR_ftruncate64
1955: static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1956: long arg3, long arg4)
1957: {
1958: #ifdef TARGET_ARM
1959: if (((CPUARMState *)cpu_env)->eabi)
1960: {
1961: arg2 = arg3;
1962: arg3 = arg4;
1963: }
1964: #endif
1965: return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1966: }
1967: #endif
1968:
1969: static inline void target_to_host_timespec(struct timespec *host_ts,
1970: target_ulong target_addr)
1971: {
1972: struct target_timespec *target_ts;
1973:
1974: lock_user_struct(target_ts, target_addr, 1);
1975: host_ts->tv_sec = tswapl(target_ts->tv_sec);
1976: host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
1977: unlock_user_struct(target_ts, target_addr, 0);
1978: }
1979:
1980: static inline void host_to_target_timespec(target_ulong target_addr,
1981: struct timespec *host_ts)
1982: {
1983: struct target_timespec *target_ts;
1984:
1985: lock_user_struct(target_ts, target_addr, 0);
1986: target_ts->tv_sec = tswapl(host_ts->tv_sec);
1987: target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
1988: unlock_user_struct(target_ts, target_addr, 1);
1989: }
1990:
1.1 root 1991: long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1992: long arg4, long arg5, long arg6)
1993: {
1994: long ret;
1995: struct stat st;
1.1.1.2 root 1996: struct statfs stfs;
1.1.1.3 root 1997: void *p;
1.1 root 1998:
1999: #ifdef DEBUG
2000: gemu_log("syscall %d", num);
2001: #endif
2002: switch(num) {
2003: case TARGET_NR_exit:
2004: #ifdef HAVE_GPROF
2005: _mcleanup();
2006: #endif
2007: gdb_exit(cpu_env, arg1);
2008: /* XXX: should free thread stack and CPU env */
2009: _exit(arg1);
2010: ret = 0; /* avoid warning */
2011: break;
2012: case TARGET_NR_read:
1.1.1.3 root 2013: page_unprotect_range(arg2, arg3);
2014: p = lock_user(arg2, arg3, 0);
2015: ret = get_errno(read(arg1, p, arg3));
2016: unlock_user(p, arg2, ret);
1.1 root 2017: break;
2018: case TARGET_NR_write:
1.1.1.3 root 2019: p = lock_user(arg2, arg3, 1);
2020: ret = get_errno(write(arg1, p, arg3));
2021: unlock_user(p, arg2, 0);
1.1 root 2022: break;
2023: case TARGET_NR_open:
1.1.1.3 root 2024: p = lock_user_string(arg1);
2025: ret = get_errno(open(path(p),
1.1 root 2026: target_to_host_bitmask(arg2, fcntl_flags_tbl),
2027: arg3));
1.1.1.3 root 2028: unlock_user(p, arg1, 0);
1.1 root 2029: break;
2030: case TARGET_NR_close:
2031: ret = get_errno(close(arg1));
2032: break;
2033: case TARGET_NR_brk:
1.1.1.3 root 2034: ret = do_brk(arg1);
1.1 root 2035: break;
2036: case TARGET_NR_fork:
2037: ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
2038: break;
2039: case TARGET_NR_waitpid:
2040: {
1.1.1.3 root 2041: int status;
2042: ret = get_errno(waitpid(arg1, &status, arg3));
2043: if (!is_error(ret) && arg2)
2044: tput32(arg2, status);
1.1 root 2045: }
2046: break;
2047: case TARGET_NR_creat:
1.1.1.3 root 2048: p = lock_user_string(arg1);
2049: ret = get_errno(creat(p, arg2));
2050: unlock_user(p, arg1, 0);
1.1 root 2051: break;
2052: case TARGET_NR_link:
1.1.1.3 root 2053: {
2054: void * p2;
2055: p = lock_user_string(arg1);
2056: p2 = lock_user_string(arg2);
2057: ret = get_errno(link(p, p2));
2058: unlock_user(p2, arg2, 0);
2059: unlock_user(p, arg1, 0);
2060: }
1.1 root 2061: break;
2062: case TARGET_NR_unlink:
1.1.1.3 root 2063: p = lock_user_string(arg1);
2064: ret = get_errno(unlink(p));
2065: unlock_user(p, arg1, 0);
1.1 root 2066: break;
2067: case TARGET_NR_execve:
2068: {
2069: char **argp, **envp;
2070: int argc, envc;
1.1.1.3 root 2071: target_ulong gp;
2072: target_ulong guest_argp;
2073: target_ulong guest_envp;
2074: target_ulong addr;
1.1 root 2075: char **q;
2076:
2077: argc = 0;
1.1.1.3 root 2078: guest_argp = arg2;
2079: for (gp = guest_argp; tgetl(gp); gp++)
1.1 root 2080: argc++;
2081: envc = 0;
1.1.1.3 root 2082: guest_envp = arg3;
2083: for (gp = guest_envp; tgetl(gp); gp++)
1.1 root 2084: envc++;
2085:
2086: argp = alloca((argc + 1) * sizeof(void *));
2087: envp = alloca((envc + 1) * sizeof(void *));
2088:
1.1.1.3 root 2089: for (gp = guest_argp, q = argp; ;
2090: gp += sizeof(target_ulong), q++) {
2091: addr = tgetl(gp);
2092: if (!addr)
2093: break;
2094: *q = lock_user_string(addr);
2095: }
1.1 root 2096: *q = NULL;
2097:
1.1.1.3 root 2098: for (gp = guest_envp, q = envp; ;
2099: gp += sizeof(target_ulong), q++) {
2100: addr = tgetl(gp);
2101: if (!addr)
2102: break;
2103: *q = lock_user_string(addr);
2104: }
1.1 root 2105: *q = NULL;
2106:
1.1.1.3 root 2107: p = lock_user_string(arg1);
2108: ret = get_errno(execve(p, argp, envp));
2109: unlock_user(p, arg1, 0);
2110:
2111: for (gp = guest_argp, q = argp; *q;
2112: gp += sizeof(target_ulong), q++) {
2113: addr = tgetl(gp);
2114: unlock_user(*q, addr, 0);
2115: }
2116: for (gp = guest_envp, q = envp; *q;
2117: gp += sizeof(target_ulong), q++) {
2118: addr = tgetl(gp);
2119: unlock_user(*q, addr, 0);
2120: }
1.1 root 2121: }
2122: break;
2123: case TARGET_NR_chdir:
1.1.1.3 root 2124: p = lock_user_string(arg1);
2125: ret = get_errno(chdir(p));
2126: unlock_user(p, arg1, 0);
1.1 root 2127: break;
2128: #ifdef TARGET_NR_time
2129: case TARGET_NR_time:
2130: {
1.1.1.3 root 2131: time_t host_time;
2132: ret = get_errno(time(&host_time));
2133: if (!is_error(ret) && arg1)
2134: tputl(arg1, host_time);
1.1 root 2135: }
2136: break;
2137: #endif
2138: case TARGET_NR_mknod:
1.1.1.3 root 2139: p = lock_user_string(arg1);
2140: ret = get_errno(mknod(p, arg2, arg3));
2141: unlock_user(p, arg1, 0);
1.1 root 2142: break;
2143: case TARGET_NR_chmod:
1.1.1.3 root 2144: p = lock_user_string(arg1);
2145: ret = get_errno(chmod(p, arg2));
2146: unlock_user(p, arg1, 0);
1.1 root 2147: break;
2148: #ifdef TARGET_NR_break
2149: case TARGET_NR_break:
2150: goto unimplemented;
2151: #endif
2152: #ifdef TARGET_NR_oldstat
2153: case TARGET_NR_oldstat:
2154: goto unimplemented;
2155: #endif
2156: case TARGET_NR_lseek:
2157: ret = get_errno(lseek(arg1, arg2, arg3));
2158: break;
2159: case TARGET_NR_getpid:
2160: ret = get_errno(getpid());
2161: break;
2162: case TARGET_NR_mount:
2163: /* need to look at the data field */
2164: goto unimplemented;
2165: case TARGET_NR_umount:
1.1.1.3 root 2166: p = lock_user_string(arg1);
2167: ret = get_errno(umount(p));
2168: unlock_user(p, arg1, 0);
1.1 root 2169: break;
2170: case TARGET_NR_stime:
2171: {
1.1.1.3 root 2172: time_t host_time;
2173: host_time = tgetl(arg1);
2174: ret = get_errno(stime(&host_time));
1.1 root 2175: }
2176: break;
2177: case TARGET_NR_ptrace:
2178: goto unimplemented;
2179: case TARGET_NR_alarm:
2180: ret = alarm(arg1);
2181: break;
2182: #ifdef TARGET_NR_oldfstat
2183: case TARGET_NR_oldfstat:
2184: goto unimplemented;
2185: #endif
2186: case TARGET_NR_pause:
2187: ret = get_errno(pause());
2188: break;
2189: case TARGET_NR_utime:
2190: {
1.1.1.3 root 2191: struct utimbuf tbuf, *host_tbuf;
2192: struct target_utimbuf *target_tbuf;
2193: if (arg2) {
2194: lock_user_struct(target_tbuf, arg2, 1);
2195: tbuf.actime = tswapl(target_tbuf->actime);
2196: tbuf.modtime = tswapl(target_tbuf->modtime);
2197: unlock_user_struct(target_tbuf, arg2, 0);
2198: host_tbuf = &tbuf;
1.1 root 2199: } else {
1.1.1.3 root 2200: host_tbuf = NULL;
1.1 root 2201: }
1.1.1.3 root 2202: p = lock_user_string(arg1);
2203: ret = get_errno(utime(p, host_tbuf));
2204: unlock_user(p, arg1, 0);
1.1 root 2205: }
2206: break;
2207: case TARGET_NR_utimes:
2208: {
2209: struct timeval *tvp, tv[2];
1.1.1.3 root 2210: if (arg2) {
2211: target_to_host_timeval(&tv[0], arg2);
2212: target_to_host_timeval(&tv[1],
2213: arg2 + sizeof (struct target_timeval));
1.1 root 2214: tvp = tv;
2215: } else {
2216: tvp = NULL;
2217: }
1.1.1.3 root 2218: p = lock_user_string(arg1);
2219: ret = get_errno(utimes(p, tvp));
2220: unlock_user(p, arg1, 0);
1.1 root 2221: }
2222: break;
2223: #ifdef TARGET_NR_stty
2224: case TARGET_NR_stty:
2225: goto unimplemented;
2226: #endif
2227: #ifdef TARGET_NR_gtty
2228: case TARGET_NR_gtty:
2229: goto unimplemented;
2230: #endif
2231: case TARGET_NR_access:
1.1.1.3 root 2232: p = lock_user_string(arg1);
2233: ret = get_errno(access(p, arg2));
2234: unlock_user(p, arg1, 0);
1.1 root 2235: break;
2236: case TARGET_NR_nice:
2237: ret = get_errno(nice(arg1));
2238: break;
2239: #ifdef TARGET_NR_ftime
2240: case TARGET_NR_ftime:
2241: goto unimplemented;
2242: #endif
2243: case TARGET_NR_sync:
2244: sync();
2245: ret = 0;
2246: break;
2247: case TARGET_NR_kill:
2248: ret = get_errno(kill(arg1, arg2));
2249: break;
2250: case TARGET_NR_rename:
1.1.1.3 root 2251: {
2252: void *p2;
2253: p = lock_user_string(arg1);
2254: p2 = lock_user_string(arg2);
2255: ret = get_errno(rename(p, p2));
2256: unlock_user(p2, arg2, 0);
2257: unlock_user(p, arg1, 0);
2258: }
1.1 root 2259: break;
2260: case TARGET_NR_mkdir:
1.1.1.3 root 2261: p = lock_user_string(arg1);
2262: ret = get_errno(mkdir(p, arg2));
2263: unlock_user(p, arg1, 0);
1.1 root 2264: break;
2265: case TARGET_NR_rmdir:
1.1.1.3 root 2266: p = lock_user_string(arg1);
2267: ret = get_errno(rmdir(p));
2268: unlock_user(p, arg1, 0);
1.1 root 2269: break;
2270: case TARGET_NR_dup:
2271: ret = get_errno(dup(arg1));
2272: break;
2273: case TARGET_NR_pipe:
2274: {
1.1.1.3 root 2275: int host_pipe[2];
2276: ret = get_errno(pipe(host_pipe));
1.1 root 2277: if (!is_error(ret)) {
1.1.1.3 root 2278: tput32(arg1, host_pipe[0]);
2279: tput32(arg1 + 4, host_pipe[1]);
1.1 root 2280: }
2281: }
2282: break;
2283: case TARGET_NR_times:
2284: {
1.1.1.3 root 2285: struct target_tms *tmsp;
1.1 root 2286: struct tms tms;
2287: ret = get_errno(times(&tms));
1.1.1.3 root 2288: if (arg1) {
2289: tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
1.1 root 2290: tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2291: tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2292: tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2293: tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
2294: }
2295: if (!is_error(ret))
2296: ret = host_to_target_clock_t(ret);
2297: }
2298: break;
2299: #ifdef TARGET_NR_prof
2300: case TARGET_NR_prof:
2301: goto unimplemented;
2302: #endif
2303: case TARGET_NR_signal:
2304: goto unimplemented;
2305:
2306: case TARGET_NR_acct:
1.1.1.3 root 2307: p = lock_user_string(arg1);
2308: ret = get_errno(acct(path(p)));
2309: unlock_user(p, arg1, 0);
2310: break;
1.1 root 2311: case TARGET_NR_umount2:
1.1.1.3 root 2312: p = lock_user_string(arg1);
2313: ret = get_errno(umount2(p, arg2));
2314: unlock_user(p, arg1, 0);
1.1 root 2315: break;
2316: #ifdef TARGET_NR_lock
2317: case TARGET_NR_lock:
2318: goto unimplemented;
2319: #endif
2320: case TARGET_NR_ioctl:
2321: ret = do_ioctl(arg1, arg2, arg3);
2322: break;
2323: case TARGET_NR_fcntl:
2324: ret = get_errno(do_fcntl(arg1, arg2, arg3));
2325: break;
2326: #ifdef TARGET_NR_mpx
2327: case TARGET_NR_mpx:
2328: goto unimplemented;
2329: #endif
2330: case TARGET_NR_setpgid:
2331: ret = get_errno(setpgid(arg1, arg2));
2332: break;
2333: #ifdef TARGET_NR_ulimit
2334: case TARGET_NR_ulimit:
2335: goto unimplemented;
2336: #endif
2337: #ifdef TARGET_NR_oldolduname
2338: case TARGET_NR_oldolduname:
2339: goto unimplemented;
2340: #endif
2341: case TARGET_NR_umask:
2342: ret = get_errno(umask(arg1));
2343: break;
2344: case TARGET_NR_chroot:
1.1.1.3 root 2345: p = lock_user_string(arg1);
2346: ret = get_errno(chroot(p));
2347: unlock_user(p, arg1, 0);
1.1 root 2348: break;
2349: case TARGET_NR_ustat:
2350: goto unimplemented;
2351: case TARGET_NR_dup2:
2352: ret = get_errno(dup2(arg1, arg2));
2353: break;
2354: case TARGET_NR_getppid:
2355: ret = get_errno(getppid());
2356: break;
2357: case TARGET_NR_getpgrp:
2358: ret = get_errno(getpgrp());
2359: break;
2360: case TARGET_NR_setsid:
2361: ret = get_errno(setsid());
2362: break;
2363: case TARGET_NR_sigaction:
2364: {
1.1.1.4 root 2365: #if !defined(TARGET_MIPS)
1.1.1.3 root 2366: struct target_old_sigaction *old_act;
1.1 root 2367: struct target_sigaction act, oact, *pact;
1.1.1.3 root 2368: if (arg2) {
2369: lock_user_struct(old_act, arg2, 1);
1.1 root 2370: act._sa_handler = old_act->_sa_handler;
2371: target_siginitset(&act.sa_mask, old_act->sa_mask);
2372: act.sa_flags = old_act->sa_flags;
2373: act.sa_restorer = old_act->sa_restorer;
1.1.1.3 root 2374: unlock_user_struct(old_act, arg2, 0);
1.1 root 2375: pact = &act;
2376: } else {
2377: pact = NULL;
2378: }
2379: ret = get_errno(do_sigaction(arg1, pact, &oact));
1.1.1.3 root 2380: if (!is_error(ret) && arg3) {
2381: lock_user_struct(old_act, arg3, 0);
2382: old_act->_sa_handler = oact._sa_handler;
2383: old_act->sa_mask = oact.sa_mask.sig[0];
2384: old_act->sa_flags = oact.sa_flags;
2385: old_act->sa_restorer = oact.sa_restorer;
2386: unlock_user_struct(old_act, arg3, 1);
1.1 root 2387: }
1.1.1.4 root 2388: #else
2389: struct target_sigaction act, oact, *pact, *old_act;
2390:
2391: if (arg2) {
2392: lock_user_struct(old_act, arg2, 1);
2393: act._sa_handler = old_act->_sa_handler;
2394: target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2395: act.sa_flags = old_act->sa_flags;
2396: unlock_user_struct(old_act, arg2, 0);
2397: pact = &act;
2398: } else {
2399: pact = NULL;
2400: }
2401:
2402: ret = get_errno(do_sigaction(arg1, pact, &oact));
2403:
2404: if (!is_error(ret) && arg3) {
2405: lock_user_struct(old_act, arg3, 0);
2406: old_act->_sa_handler = oact._sa_handler;
2407: old_act->sa_flags = oact.sa_flags;
2408: old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2409: old_act->sa_mask.sig[1] = 0;
2410: old_act->sa_mask.sig[2] = 0;
2411: old_act->sa_mask.sig[3] = 0;
2412: unlock_user_struct(old_act, arg3, 1);
2413: }
2414: #endif
1.1 root 2415: }
2416: break;
2417: case TARGET_NR_rt_sigaction:
1.1.1.3 root 2418: {
2419: struct target_sigaction *act;
2420: struct target_sigaction *oact;
2421:
2422: if (arg2)
2423: lock_user_struct(act, arg2, 1);
2424: else
2425: act = NULL;
2426: if (arg3)
2427: lock_user_struct(oact, arg3, 0);
2428: else
2429: oact = NULL;
2430: ret = get_errno(do_sigaction(arg1, act, oact));
2431: if (arg2)
2432: unlock_user_struct(act, arg2, 0);
2433: if (arg3)
2434: unlock_user_struct(oact, arg3, 1);
2435: }
1.1 root 2436: break;
2437: case TARGET_NR_sgetmask:
2438: {
2439: sigset_t cur_set;
2440: target_ulong target_set;
2441: sigprocmask(0, NULL, &cur_set);
2442: host_to_target_old_sigset(&target_set, &cur_set);
2443: ret = target_set;
2444: }
2445: break;
2446: case TARGET_NR_ssetmask:
2447: {
2448: sigset_t set, oset, cur_set;
2449: target_ulong target_set = arg1;
2450: sigprocmask(0, NULL, &cur_set);
2451: target_to_host_old_sigset(&set, &target_set);
2452: sigorset(&set, &set, &cur_set);
2453: sigprocmask(SIG_SETMASK, &set, &oset);
2454: host_to_target_old_sigset(&target_set, &oset);
2455: ret = target_set;
2456: }
2457: break;
2458: case TARGET_NR_sigprocmask:
2459: {
2460: int how = arg1;
2461: sigset_t set, oldset, *set_ptr;
2462:
1.1.1.3 root 2463: if (arg2) {
1.1 root 2464: switch(how) {
2465: case TARGET_SIG_BLOCK:
2466: how = SIG_BLOCK;
2467: break;
2468: case TARGET_SIG_UNBLOCK:
2469: how = SIG_UNBLOCK;
2470: break;
2471: case TARGET_SIG_SETMASK:
2472: how = SIG_SETMASK;
2473: break;
2474: default:
2475: ret = -EINVAL;
2476: goto fail;
2477: }
1.1.1.3 root 2478: p = lock_user(arg2, sizeof(target_sigset_t), 1);
2479: target_to_host_old_sigset(&set, p);
2480: unlock_user(p, arg2, 0);
1.1 root 2481: set_ptr = &set;
2482: } else {
2483: how = 0;
2484: set_ptr = NULL;
2485: }
2486: ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1.1.1.3 root 2487: if (!is_error(ret) && arg3) {
2488: p = lock_user(arg3, sizeof(target_sigset_t), 0);
2489: host_to_target_old_sigset(p, &oldset);
2490: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 2491: }
2492: }
2493: break;
2494: case TARGET_NR_rt_sigprocmask:
2495: {
2496: int how = arg1;
2497: sigset_t set, oldset, *set_ptr;
2498:
1.1.1.3 root 2499: if (arg2) {
1.1 root 2500: switch(how) {
2501: case TARGET_SIG_BLOCK:
2502: how = SIG_BLOCK;
2503: break;
2504: case TARGET_SIG_UNBLOCK:
2505: how = SIG_UNBLOCK;
2506: break;
2507: case TARGET_SIG_SETMASK:
2508: how = SIG_SETMASK;
2509: break;
2510: default:
2511: ret = -EINVAL;
2512: goto fail;
2513: }
1.1.1.3 root 2514: p = lock_user(arg2, sizeof(target_sigset_t), 1);
2515: target_to_host_sigset(&set, p);
2516: unlock_user(p, arg2, 0);
1.1 root 2517: set_ptr = &set;
2518: } else {
2519: how = 0;
2520: set_ptr = NULL;
2521: }
2522: ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1.1.1.3 root 2523: if (!is_error(ret) && arg3) {
2524: p = lock_user(arg3, sizeof(target_sigset_t), 0);
2525: host_to_target_sigset(p, &oldset);
2526: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 2527: }
2528: }
2529: break;
2530: case TARGET_NR_sigpending:
2531: {
2532: sigset_t set;
2533: ret = get_errno(sigpending(&set));
2534: if (!is_error(ret)) {
1.1.1.3 root 2535: p = lock_user(arg1, sizeof(target_sigset_t), 0);
2536: host_to_target_old_sigset(p, &set);
2537: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 2538: }
2539: }
2540: break;
2541: case TARGET_NR_rt_sigpending:
2542: {
2543: sigset_t set;
2544: ret = get_errno(sigpending(&set));
2545: if (!is_error(ret)) {
1.1.1.3 root 2546: p = lock_user(arg1, sizeof(target_sigset_t), 0);
2547: host_to_target_sigset(p, &set);
2548: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 2549: }
2550: }
2551: break;
2552: case TARGET_NR_sigsuspend:
2553: {
2554: sigset_t set;
1.1.1.3 root 2555: p = lock_user(arg1, sizeof(target_sigset_t), 1);
2556: target_to_host_old_sigset(&set, p);
2557: unlock_user(p, arg1, 0);
1.1 root 2558: ret = get_errno(sigsuspend(&set));
2559: }
2560: break;
2561: case TARGET_NR_rt_sigsuspend:
2562: {
2563: sigset_t set;
1.1.1.3 root 2564: p = lock_user(arg1, sizeof(target_sigset_t), 1);
2565: target_to_host_sigset(&set, p);
2566: unlock_user(p, arg1, 0);
1.1 root 2567: ret = get_errno(sigsuspend(&set));
2568: }
2569: break;
2570: case TARGET_NR_rt_sigtimedwait:
2571: {
2572: sigset_t set;
2573: struct timespec uts, *puts;
2574: siginfo_t uinfo;
2575:
1.1.1.3 root 2576: p = lock_user(arg1, sizeof(target_sigset_t), 1);
2577: target_to_host_sigset(&set, p);
2578: unlock_user(p, arg1, 0);
2579: if (arg3) {
1.1 root 2580: puts = &uts;
1.1.1.3 root 2581: target_to_host_timespec(puts, arg3);
1.1 root 2582: } else {
2583: puts = NULL;
2584: }
2585: ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1.1.1.3 root 2586: if (!is_error(ret) && arg2) {
2587: p = lock_user(arg2, sizeof(target_sigset_t), 0);
2588: host_to_target_siginfo(p, &uinfo);
2589: unlock_user(p, arg2, sizeof(target_sigset_t));
1.1 root 2590: }
2591: }
2592: break;
2593: case TARGET_NR_rt_sigqueueinfo:
2594: {
2595: siginfo_t uinfo;
1.1.1.3 root 2596: p = lock_user(arg3, sizeof(target_sigset_t), 1);
2597: target_to_host_siginfo(&uinfo, p);
2598: unlock_user(p, arg1, 0);
1.1 root 2599: ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2600: }
2601: break;
2602: case TARGET_NR_sigreturn:
2603: /* NOTE: ret is eax, so not transcoding must be done */
2604: ret = do_sigreturn(cpu_env);
2605: break;
2606: case TARGET_NR_rt_sigreturn:
2607: /* NOTE: ret is eax, so not transcoding must be done */
2608: ret = do_rt_sigreturn(cpu_env);
2609: break;
2610: case TARGET_NR_sethostname:
1.1.1.3 root 2611: p = lock_user_string(arg1);
2612: ret = get_errno(sethostname(p, arg2));
2613: unlock_user(p, arg1, 0);
1.1 root 2614: break;
2615: case TARGET_NR_setrlimit:
2616: {
2617: /* XXX: convert resource ? */
2618: int resource = arg1;
1.1.1.3 root 2619: struct target_rlimit *target_rlim;
1.1 root 2620: struct rlimit rlim;
1.1.1.3 root 2621: lock_user_struct(target_rlim, arg2, 1);
1.1 root 2622: rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2623: rlim.rlim_max = tswapl(target_rlim->rlim_max);
1.1.1.3 root 2624: unlock_user_struct(target_rlim, arg2, 0);
1.1 root 2625: ret = get_errno(setrlimit(resource, &rlim));
2626: }
2627: break;
2628: case TARGET_NR_getrlimit:
2629: {
2630: /* XXX: convert resource ? */
2631: int resource = arg1;
1.1.1.3 root 2632: struct target_rlimit *target_rlim;
1.1 root 2633: struct rlimit rlim;
2634:
2635: ret = get_errno(getrlimit(resource, &rlim));
2636: if (!is_error(ret)) {
1.1.1.3 root 2637: lock_user_struct(target_rlim, arg2, 0);
2638: rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2639: rlim.rlim_max = tswapl(target_rlim->rlim_max);
2640: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 2641: }
2642: }
2643: break;
2644: case TARGET_NR_getrusage:
2645: {
2646: struct rusage rusage;
2647: ret = get_errno(getrusage(arg1, &rusage));
2648: if (!is_error(ret)) {
1.1.1.3 root 2649: host_to_target_rusage(arg2, &rusage);
1.1 root 2650: }
2651: }
2652: break;
2653: case TARGET_NR_gettimeofday:
2654: {
2655: struct timeval tv;
2656: ret = get_errno(gettimeofday(&tv, NULL));
2657: if (!is_error(ret)) {
1.1.1.3 root 2658: host_to_target_timeval(arg1, &tv);
1.1 root 2659: }
2660: }
2661: break;
2662: case TARGET_NR_settimeofday:
2663: {
2664: struct timeval tv;
1.1.1.3 root 2665: target_to_host_timeval(&tv, arg1);
1.1 root 2666: ret = get_errno(settimeofday(&tv, NULL));
2667: }
2668: break;
1.1.1.2 root 2669: #ifdef TARGET_NR_select
1.1 root 2670: case TARGET_NR_select:
2671: {
1.1.1.3 root 2672: struct target_sel_arg_struct *sel;
2673: target_ulong inp, outp, exp, tvp;
2674: long nsel;
2675:
2676: lock_user_struct(sel, arg1, 1);
2677: nsel = tswapl(sel->n);
2678: inp = tswapl(sel->inp);
2679: outp = tswapl(sel->outp);
2680: exp = tswapl(sel->exp);
2681: tvp = tswapl(sel->tvp);
2682: unlock_user_struct(sel, arg1, 0);
2683: ret = do_select(nsel, inp, outp, exp, tvp);
1.1 root 2684: }
2685: break;
1.1.1.2 root 2686: #endif
1.1 root 2687: case TARGET_NR_symlink:
1.1.1.3 root 2688: {
2689: void *p2;
2690: p = lock_user_string(arg1);
2691: p2 = lock_user_string(arg2);
2692: ret = get_errno(symlink(p, p2));
2693: unlock_user(p2, arg2, 0);
2694: unlock_user(p, arg1, 0);
2695: }
1.1 root 2696: break;
2697: #ifdef TARGET_NR_oldlstat
2698: case TARGET_NR_oldlstat:
2699: goto unimplemented;
2700: #endif
2701: case TARGET_NR_readlink:
1.1.1.3 root 2702: {
2703: void *p2;
2704: p = lock_user_string(arg1);
2705: p2 = lock_user(arg2, arg3, 0);
2706: ret = get_errno(readlink(path(p), p2, arg3));
2707: unlock_user(p2, arg2, ret);
2708: unlock_user(p, arg1, 0);
2709: }
1.1 root 2710: break;
2711: case TARGET_NR_uselib:
2712: goto unimplemented;
2713: case TARGET_NR_swapon:
1.1.1.3 root 2714: p = lock_user_string(arg1);
2715: ret = get_errno(swapon(p, arg2));
2716: unlock_user(p, arg1, 0);
1.1 root 2717: break;
2718: case TARGET_NR_reboot:
2719: goto unimplemented;
2720: case TARGET_NR_readdir:
2721: goto unimplemented;
2722: case TARGET_NR_mmap:
1.1.1.5 ! root 2723: #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
1.1 root 2724: {
1.1.1.3 root 2725: target_ulong *v;
2726: target_ulong v1, v2, v3, v4, v5, v6;
2727: v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2728: v1 = tswapl(v[0]);
2729: v2 = tswapl(v[1]);
2730: v3 = tswapl(v[2]);
2731: v4 = tswapl(v[3]);
2732: v5 = tswapl(v[4]);
2733: v6 = tswapl(v[5]);
2734: unlock_user(v, arg1, 0);
1.1 root 2735: ret = get_errno(target_mmap(v1, v2, v3,
2736: target_to_host_bitmask(v4, mmap_flags_tbl),
2737: v5, v6));
2738: }
2739: #else
2740: ret = get_errno(target_mmap(arg1, arg2, arg3,
2741: target_to_host_bitmask(arg4, mmap_flags_tbl),
2742: arg5,
2743: arg6));
2744: #endif
2745: break;
2746: #ifdef TARGET_NR_mmap2
2747: case TARGET_NR_mmap2:
1.1.1.5 ! root 2748: #if defined(TARGET_SPARC) || defined(TARGET_MIPS)
1.1 root 2749: #define MMAP_SHIFT 12
2750: #else
2751: #define MMAP_SHIFT TARGET_PAGE_BITS
2752: #endif
2753: ret = get_errno(target_mmap(arg1, arg2, arg3,
2754: target_to_host_bitmask(arg4, mmap_flags_tbl),
2755: arg5,
2756: arg6 << MMAP_SHIFT));
2757: break;
2758: #endif
2759: case TARGET_NR_munmap:
2760: ret = get_errno(target_munmap(arg1, arg2));
2761: break;
2762: case TARGET_NR_mprotect:
2763: ret = get_errno(target_mprotect(arg1, arg2, arg3));
2764: break;
2765: case TARGET_NR_mremap:
2766: ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2767: break;
1.1.1.3 root 2768: /* ??? msync/mlock/munlock are broken for softmmu. */
1.1 root 2769: case TARGET_NR_msync:
1.1.1.3 root 2770: ret = get_errno(msync(g2h(arg1), arg2, arg3));
1.1 root 2771: break;
2772: case TARGET_NR_mlock:
1.1.1.3 root 2773: ret = get_errno(mlock(g2h(arg1), arg2));
1.1 root 2774: break;
2775: case TARGET_NR_munlock:
1.1.1.3 root 2776: ret = get_errno(munlock(g2h(arg1), arg2));
1.1 root 2777: break;
2778: case TARGET_NR_mlockall:
2779: ret = get_errno(mlockall(arg1));
2780: break;
2781: case TARGET_NR_munlockall:
2782: ret = get_errno(munlockall());
2783: break;
2784: case TARGET_NR_truncate:
1.1.1.3 root 2785: p = lock_user_string(arg1);
2786: ret = get_errno(truncate(p, arg2));
2787: unlock_user(p, arg1, 0);
1.1 root 2788: break;
2789: case TARGET_NR_ftruncate:
2790: ret = get_errno(ftruncate(arg1, arg2));
2791: break;
2792: case TARGET_NR_fchmod:
2793: ret = get_errno(fchmod(arg1, arg2));
2794: break;
2795: case TARGET_NR_getpriority:
2796: ret = get_errno(getpriority(arg1, arg2));
2797: break;
2798: case TARGET_NR_setpriority:
2799: ret = get_errno(setpriority(arg1, arg2, arg3));
2800: break;
2801: #ifdef TARGET_NR_profil
2802: case TARGET_NR_profil:
2803: goto unimplemented;
2804: #endif
2805: case TARGET_NR_statfs:
1.1.1.3 root 2806: p = lock_user_string(arg1);
2807: ret = get_errno(statfs(path(p), &stfs));
2808: unlock_user(p, arg1, 0);
1.1 root 2809: convert_statfs:
2810: if (!is_error(ret)) {
1.1.1.3 root 2811: struct target_statfs *target_stfs;
1.1.1.2 root 2812:
1.1.1.3 root 2813: lock_user_struct(target_stfs, arg2, 0);
2814: /* ??? put_user is probably wrong. */
1.1.1.2 root 2815: put_user(stfs.f_type, &target_stfs->f_type);
2816: put_user(stfs.f_bsize, &target_stfs->f_bsize);
2817: put_user(stfs.f_blocks, &target_stfs->f_blocks);
2818: put_user(stfs.f_bfree, &target_stfs->f_bfree);
2819: put_user(stfs.f_bavail, &target_stfs->f_bavail);
2820: put_user(stfs.f_files, &target_stfs->f_files);
2821: put_user(stfs.f_ffree, &target_stfs->f_ffree);
2822: put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2823: put_user(stfs.f_namelen, &target_stfs->f_namelen);
1.1.1.3 root 2824: unlock_user_struct(target_stfs, arg2, 1);
1.1 root 2825: }
2826: break;
2827: case TARGET_NR_fstatfs:
1.1.1.2 root 2828: ret = get_errno(fstatfs(arg1, &stfs));
1.1 root 2829: goto convert_statfs;
1.1.1.2 root 2830: #ifdef TARGET_NR_statfs64
2831: case TARGET_NR_statfs64:
1.1.1.3 root 2832: p = lock_user_string(arg1);
2833: ret = get_errno(statfs(path(p), &stfs));
2834: unlock_user(p, arg1, 0);
1.1.1.2 root 2835: convert_statfs64:
2836: if (!is_error(ret)) {
1.1.1.3 root 2837: struct target_statfs64 *target_stfs;
2838:
2839: lock_user_struct(target_stfs, arg3, 0);
2840: /* ??? put_user is probably wrong. */
1.1.1.2 root 2841: put_user(stfs.f_type, &target_stfs->f_type);
2842: put_user(stfs.f_bsize, &target_stfs->f_bsize);
2843: put_user(stfs.f_blocks, &target_stfs->f_blocks);
2844: put_user(stfs.f_bfree, &target_stfs->f_bfree);
2845: put_user(stfs.f_bavail, &target_stfs->f_bavail);
2846: put_user(stfs.f_files, &target_stfs->f_files);
2847: put_user(stfs.f_ffree, &target_stfs->f_ffree);
2848: put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2849: put_user(stfs.f_namelen, &target_stfs->f_namelen);
1.1.1.3 root 2850: unlock_user_struct(target_stfs, arg3, 0);
1.1.1.2 root 2851: }
2852: break;
2853: case TARGET_NR_fstatfs64:
2854: ret = get_errno(fstatfs(arg1, &stfs));
2855: goto convert_statfs64;
2856: #endif
1.1 root 2857: #ifdef TARGET_NR_ioperm
2858: case TARGET_NR_ioperm:
2859: goto unimplemented;
2860: #endif
2861: case TARGET_NR_socketcall:
1.1.1.3 root 2862: ret = do_socketcall(arg1, arg2);
1.1 root 2863: break;
1.1.1.4 root 2864:
2865: #ifdef TARGET_NR_accept
2866: case TARGET_NR_accept:
1.1.1.5 ! root 2867: ret = do_accept(arg1, arg2, arg3);
1.1.1.4 root 2868: break;
2869: #endif
2870: #ifdef TARGET_NR_bind
2871: case TARGET_NR_bind:
2872: ret = do_bind(arg1, arg2, arg3);
2873: break;
2874: #endif
2875: #ifdef TARGET_NR_connect
2876: case TARGET_NR_connect:
2877: ret = do_connect(arg1, arg2, arg3);
2878: break;
2879: #endif
2880: #ifdef TARGET_NR_getpeername
2881: case TARGET_NR_getpeername:
1.1.1.5 ! root 2882: ret = do_getpeername(arg1, arg2, arg3);
1.1.1.4 root 2883: break;
2884: #endif
2885: #ifdef TARGET_NR_getsockname
2886: case TARGET_NR_getsockname:
1.1.1.5 ! root 2887: ret = do_getsockname(arg1, arg2, arg3);
1.1.1.4 root 2888: break;
2889: #endif
2890: #ifdef TARGET_NR_getsockopt
2891: case TARGET_NR_getsockopt:
2892: ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2893: break;
2894: #endif
2895: #ifdef TARGET_NR_listen
2896: case TARGET_NR_listen:
1.1.1.5 ! root 2897: ret = get_errno(listen(arg1, arg2));
1.1.1.4 root 2898: break;
2899: #endif
2900: #ifdef TARGET_NR_recv
2901: case TARGET_NR_recv:
1.1.1.5 ! root 2902: ret = do_recvfrom(arg1, arg1, arg3, arg4, 0, 0);
1.1.1.4 root 2903: break;
2904: #endif
2905: #ifdef TARGET_NR_recvfrom
2906: case TARGET_NR_recvfrom:
1.1.1.5 ! root 2907: ret = do_recvfrom(arg1, arg1, arg3, arg4, arg5, arg6);
1.1.1.4 root 2908: break;
2909: #endif
2910: #ifdef TARGET_NR_recvmsg
2911: case TARGET_NR_recvmsg:
2912: ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
2913: break;
2914: #endif
2915: #ifdef TARGET_NR_send
2916: case TARGET_NR_send:
1.1.1.5 ! root 2917: ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
1.1.1.4 root 2918: break;
2919: #endif
2920: #ifdef TARGET_NR_sendmsg
2921: case TARGET_NR_sendmsg:
2922: ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
2923: break;
2924: #endif
2925: #ifdef TARGET_NR_sendto
2926: case TARGET_NR_sendto:
1.1.1.5 ! root 2927: ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
1.1.1.4 root 2928: break;
2929: #endif
2930: #ifdef TARGET_NR_shutdown
2931: case TARGET_NR_shutdown:
1.1.1.5 ! root 2932: ret = get_errno(shutdown(arg1, arg2));
1.1.1.4 root 2933: break;
2934: #endif
2935: #ifdef TARGET_NR_socket
2936: case TARGET_NR_socket:
2937: ret = do_socket(arg1, arg2, arg3);
2938: break;
2939: #endif
2940: #ifdef TARGET_NR_socketpair
2941: case TARGET_NR_socketpair:
1.1.1.5 ! root 2942: ret = do_socketpair(arg1, arg2, arg3, arg4);
1.1.1.4 root 2943: break;
2944: #endif
2945: #ifdef TARGET_NR_setsockopt
2946: case TARGET_NR_setsockopt:
2947: ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
2948: break;
2949: #endif
2950:
1.1 root 2951: case TARGET_NR_syslog:
2952: goto unimplemented;
2953: case TARGET_NR_setitimer:
2954: {
2955: struct itimerval value, ovalue, *pvalue;
2956:
1.1.1.3 root 2957: if (arg2) {
1.1 root 2958: pvalue = &value;
2959: target_to_host_timeval(&pvalue->it_interval,
1.1.1.3 root 2960: arg2);
1.1 root 2961: target_to_host_timeval(&pvalue->it_value,
1.1.1.3 root 2962: arg2 + sizeof(struct target_timeval));
1.1 root 2963: } else {
2964: pvalue = NULL;
2965: }
2966: ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1.1.1.3 root 2967: if (!is_error(ret) && arg3) {
2968: host_to_target_timeval(arg3,
1.1 root 2969: &ovalue.it_interval);
1.1.1.3 root 2970: host_to_target_timeval(arg3 + sizeof(struct target_timeval),
1.1 root 2971: &ovalue.it_value);
2972: }
2973: }
2974: break;
2975: case TARGET_NR_getitimer:
2976: {
2977: struct itimerval value;
2978:
2979: ret = get_errno(getitimer(arg1, &value));
1.1.1.3 root 2980: if (!is_error(ret) && arg2) {
2981: host_to_target_timeval(arg2,
1.1 root 2982: &value.it_interval);
1.1.1.3 root 2983: host_to_target_timeval(arg2 + sizeof(struct target_timeval),
1.1 root 2984: &value.it_value);
2985: }
2986: }
2987: break;
2988: case TARGET_NR_stat:
1.1.1.3 root 2989: p = lock_user_string(arg1);
2990: ret = get_errno(stat(path(p), &st));
2991: unlock_user(p, arg1, 0);
1.1 root 2992: goto do_stat;
2993: case TARGET_NR_lstat:
1.1.1.3 root 2994: p = lock_user_string(arg1);
2995: ret = get_errno(lstat(path(p), &st));
2996: unlock_user(p, arg1, 0);
1.1 root 2997: goto do_stat;
2998: case TARGET_NR_fstat:
2999: {
3000: ret = get_errno(fstat(arg1, &st));
3001: do_stat:
3002: if (!is_error(ret)) {
1.1.1.3 root 3003: struct target_stat *target_st;
3004:
3005: lock_user_struct(target_st, arg2, 0);
1.1 root 3006: target_st->st_dev = tswap16(st.st_dev);
3007: target_st->st_ino = tswapl(st.st_ino);
1.1.1.5 ! root 3008: #if defined(TARGET_PPC) || defined(TARGET_MIPS)
1.1 root 3009: target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3010: target_st->st_uid = tswap32(st.st_uid);
3011: target_st->st_gid = tswap32(st.st_gid);
3012: #else
3013: target_st->st_mode = tswap16(st.st_mode);
3014: target_st->st_uid = tswap16(st.st_uid);
3015: target_st->st_gid = tswap16(st.st_gid);
3016: #endif
3017: target_st->st_nlink = tswap16(st.st_nlink);
3018: target_st->st_rdev = tswap16(st.st_rdev);
3019: target_st->st_size = tswapl(st.st_size);
3020: target_st->st_blksize = tswapl(st.st_blksize);
3021: target_st->st_blocks = tswapl(st.st_blocks);
3022: target_st->target_st_atime = tswapl(st.st_atime);
3023: target_st->target_st_mtime = tswapl(st.st_mtime);
3024: target_st->target_st_ctime = tswapl(st.st_ctime);
1.1.1.3 root 3025: unlock_user_struct(target_st, arg2, 1);
1.1 root 3026: }
3027: }
3028: break;
3029: #ifdef TARGET_NR_olduname
3030: case TARGET_NR_olduname:
3031: goto unimplemented;
3032: #endif
3033: #ifdef TARGET_NR_iopl
3034: case TARGET_NR_iopl:
3035: goto unimplemented;
3036: #endif
3037: case TARGET_NR_vhangup:
3038: ret = get_errno(vhangup());
3039: break;
3040: #ifdef TARGET_NR_idle
3041: case TARGET_NR_idle:
3042: goto unimplemented;
3043: #endif
3044: #ifdef TARGET_NR_syscall
3045: case TARGET_NR_syscall:
3046: ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3047: break;
3048: #endif
3049: case TARGET_NR_wait4:
3050: {
3051: int status;
1.1.1.3 root 3052: target_long status_ptr = arg2;
1.1 root 3053: struct rusage rusage, *rusage_ptr;
1.1.1.3 root 3054: target_ulong target_rusage = arg4;
1.1 root 3055: if (target_rusage)
3056: rusage_ptr = &rusage;
3057: else
3058: rusage_ptr = NULL;
3059: ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3060: if (!is_error(ret)) {
3061: if (status_ptr)
1.1.1.3 root 3062: tputl(status_ptr, status);
1.1 root 3063: if (target_rusage) {
3064: host_to_target_rusage(target_rusage, &rusage);
3065: }
3066: }
3067: }
3068: break;
3069: case TARGET_NR_swapoff:
1.1.1.3 root 3070: p = lock_user_string(arg1);
3071: ret = get_errno(swapoff(p));
3072: unlock_user(p, arg1, 0);
1.1 root 3073: break;
3074: case TARGET_NR_sysinfo:
3075: {
1.1.1.3 root 3076: struct target_sysinfo *target_value;
1.1 root 3077: struct sysinfo value;
3078: ret = get_errno(sysinfo(&value));
1.1.1.3 root 3079: if (!is_error(ret) && arg1)
1.1 root 3080: {
1.1.1.3 root 3081: /* ??? __put_user is probably wrong. */
3082: lock_user_struct(target_value, arg1, 0);
1.1 root 3083: __put_user(value.uptime, &target_value->uptime);
3084: __put_user(value.loads[0], &target_value->loads[0]);
3085: __put_user(value.loads[1], &target_value->loads[1]);
3086: __put_user(value.loads[2], &target_value->loads[2]);
3087: __put_user(value.totalram, &target_value->totalram);
3088: __put_user(value.freeram, &target_value->freeram);
3089: __put_user(value.sharedram, &target_value->sharedram);
3090: __put_user(value.bufferram, &target_value->bufferram);
3091: __put_user(value.totalswap, &target_value->totalswap);
3092: __put_user(value.freeswap, &target_value->freeswap);
3093: __put_user(value.procs, &target_value->procs);
3094: __put_user(value.totalhigh, &target_value->totalhigh);
3095: __put_user(value.freehigh, &target_value->freehigh);
3096: __put_user(value.mem_unit, &target_value->mem_unit);
1.1.1.3 root 3097: unlock_user_struct(target_value, arg1, 1);
1.1 root 3098: }
3099: }
3100: break;
3101: case TARGET_NR_ipc:
3102: ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3103: break;
3104: case TARGET_NR_fsync:
3105: ret = get_errno(fsync(arg1));
3106: break;
3107: case TARGET_NR_clone:
3108: ret = get_errno(do_fork(cpu_env, arg1, arg2));
3109: break;
3110: #ifdef __NR_exit_group
3111: /* new thread calls */
3112: case TARGET_NR_exit_group:
3113: gdb_exit(cpu_env, arg1);
3114: ret = get_errno(exit_group(arg1));
3115: break;
3116: #endif
3117: case TARGET_NR_setdomainname:
1.1.1.3 root 3118: p = lock_user_string(arg1);
3119: ret = get_errno(setdomainname(p, arg2));
3120: unlock_user(p, arg1, 0);
1.1 root 3121: break;
3122: case TARGET_NR_uname:
3123: /* no need to transcode because we use the linux syscall */
3124: {
3125: struct new_utsname * buf;
3126:
1.1.1.3 root 3127: lock_user_struct(buf, arg1, 0);
1.1 root 3128: ret = get_errno(sys_uname(buf));
3129: if (!is_error(ret)) {
3130: /* Overrite the native machine name with whatever is being
3131: emulated. */
3132: strcpy (buf->machine, UNAME_MACHINE);
1.1.1.4 root 3133: /* Allow the user to override the reported release. */
3134: if (qemu_uname_release && *qemu_uname_release)
3135: strcpy (buf->release, qemu_uname_release);
1.1 root 3136: }
1.1.1.3 root 3137: unlock_user_struct(buf, arg1, 1);
1.1 root 3138: }
3139: break;
3140: #ifdef TARGET_I386
3141: case TARGET_NR_modify_ldt:
1.1.1.3 root 3142: ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
1.1 root 3143: break;
3144: case TARGET_NR_vm86old:
3145: goto unimplemented;
3146: case TARGET_NR_vm86:
1.1.1.3 root 3147: ret = do_vm86(cpu_env, arg1, arg2);
1.1 root 3148: break;
3149: #endif
3150: case TARGET_NR_adjtimex:
3151: goto unimplemented;
3152: case TARGET_NR_create_module:
3153: case TARGET_NR_init_module:
3154: case TARGET_NR_delete_module:
3155: case TARGET_NR_get_kernel_syms:
3156: goto unimplemented;
3157: case TARGET_NR_quotactl:
3158: goto unimplemented;
3159: case TARGET_NR_getpgid:
3160: ret = get_errno(getpgid(arg1));
3161: break;
3162: case TARGET_NR_fchdir:
3163: ret = get_errno(fchdir(arg1));
3164: break;
3165: case TARGET_NR_bdflush:
3166: goto unimplemented;
3167: case TARGET_NR_sysfs:
3168: goto unimplemented;
3169: case TARGET_NR_personality:
3170: ret = get_errno(personality(arg1));
3171: break;
3172: case TARGET_NR_afs_syscall:
3173: goto unimplemented;
3174: case TARGET_NR__llseek:
3175: {
3176: #if defined (__x86_64__)
3177: ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
1.1.1.3 root 3178: tput64(arg4, ret);
1.1 root 3179: #else
3180: int64_t res;
3181: ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1.1.1.3 root 3182: tput64(arg4, res);
1.1 root 3183: #endif
3184: }
3185: break;
3186: case TARGET_NR_getdents:
3187: #if TARGET_LONG_SIZE != 4
1.1.1.3 root 3188: goto unimplemented;
1.1 root 3189: #warning not supported
3190: #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3191: {
1.1.1.3 root 3192: struct target_dirent *target_dirp;
1.1 root 3193: struct dirent *dirp;
3194: long count = arg3;
3195:
3196: dirp = malloc(count);
3197: if (!dirp)
3198: return -ENOMEM;
3199:
3200: ret = get_errno(sys_getdents(arg1, dirp, count));
3201: if (!is_error(ret)) {
3202: struct dirent *de;
3203: struct target_dirent *tde;
3204: int len = ret;
3205: int reclen, treclen;
3206: int count1, tnamelen;
3207:
3208: count1 = 0;
3209: de = dirp;
1.1.1.3 root 3210: target_dirp = lock_user(arg2, count, 0);
1.1 root 3211: tde = target_dirp;
3212: while (len > 0) {
3213: reclen = de->d_reclen;
3214: treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3215: tde->d_reclen = tswap16(treclen);
3216: tde->d_ino = tswapl(de->d_ino);
3217: tde->d_off = tswapl(de->d_off);
3218: tnamelen = treclen - (2 * sizeof(target_long) + 2);
3219: if (tnamelen > 256)
3220: tnamelen = 256;
3221: /* XXX: may not be correct */
3222: strncpy(tde->d_name, de->d_name, tnamelen);
3223: de = (struct dirent *)((char *)de + reclen);
3224: len -= reclen;
3225: tde = (struct dirent *)((char *)tde + treclen);
3226: count1 += treclen;
3227: }
3228: ret = count1;
3229: }
1.1.1.3 root 3230: unlock_user(target_dirp, arg2, ret);
1.1 root 3231: free(dirp);
3232: }
3233: #else
3234: {
1.1.1.3 root 3235: struct dirent *dirp;
1.1 root 3236: long count = arg3;
3237:
1.1.1.3 root 3238: dirp = lock_user(arg2, count, 0);
1.1 root 3239: ret = get_errno(sys_getdents(arg1, dirp, count));
3240: if (!is_error(ret)) {
3241: struct dirent *de;
3242: int len = ret;
3243: int reclen;
3244: de = dirp;
3245: while (len > 0) {
3246: reclen = de->d_reclen;
3247: if (reclen > len)
3248: break;
3249: de->d_reclen = tswap16(reclen);
3250: tswapls(&de->d_ino);
3251: tswapls(&de->d_off);
3252: de = (struct dirent *)((char *)de + reclen);
3253: len -= reclen;
3254: }
3255: }
1.1.1.3 root 3256: unlock_user(dirp, arg2, ret);
1.1 root 3257: }
3258: #endif
3259: break;
3260: #ifdef TARGET_NR_getdents64
3261: case TARGET_NR_getdents64:
3262: {
1.1.1.3 root 3263: struct dirent64 *dirp;
1.1 root 3264: long count = arg3;
1.1.1.3 root 3265: dirp = lock_user(arg2, count, 0);
1.1 root 3266: ret = get_errno(sys_getdents64(arg1, dirp, count));
3267: if (!is_error(ret)) {
3268: struct dirent64 *de;
3269: int len = ret;
3270: int reclen;
3271: de = dirp;
3272: while (len > 0) {
3273: reclen = de->d_reclen;
3274: if (reclen > len)
3275: break;
3276: de->d_reclen = tswap16(reclen);
3277: tswap64s(&de->d_ino);
3278: tswap64s(&de->d_off);
3279: de = (struct dirent64 *)((char *)de + reclen);
3280: len -= reclen;
3281: }
3282: }
1.1.1.3 root 3283: unlock_user(dirp, arg2, ret);
1.1 root 3284: }
3285: break;
3286: #endif /* TARGET_NR_getdents64 */
3287: case TARGET_NR__newselect:
1.1.1.3 root 3288: ret = do_select(arg1, arg2, arg3, arg4, arg5);
1.1 root 3289: break;
3290: case TARGET_NR_poll:
3291: {
1.1.1.3 root 3292: struct target_pollfd *target_pfd;
1.1 root 3293: unsigned int nfds = arg2;
3294: int timeout = arg3;
3295: struct pollfd *pfd;
3296: unsigned int i;
3297:
1.1.1.3 root 3298: target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
1.1 root 3299: pfd = alloca(sizeof(struct pollfd) * nfds);
3300: for(i = 0; i < nfds; i++) {
3301: pfd[i].fd = tswap32(target_pfd[i].fd);
3302: pfd[i].events = tswap16(target_pfd[i].events);
3303: }
3304: ret = get_errno(poll(pfd, nfds, timeout));
3305: if (!is_error(ret)) {
3306: for(i = 0; i < nfds; i++) {
3307: target_pfd[i].revents = tswap16(pfd[i].revents);
3308: }
1.1.1.3 root 3309: ret += nfds * (sizeof(struct target_pollfd)
3310: - sizeof(struct pollfd));
1.1 root 3311: }
1.1.1.3 root 3312: unlock_user(target_pfd, arg1, ret);
1.1 root 3313: }
3314: break;
3315: case TARGET_NR_flock:
3316: /* NOTE: the flock constant seems to be the same for every
3317: Linux platform */
3318: ret = get_errno(flock(arg1, arg2));
3319: break;
3320: case TARGET_NR_readv:
3321: {
3322: int count = arg3;
3323: struct iovec *vec;
3324:
3325: vec = alloca(count * sizeof(struct iovec));
1.1.1.3 root 3326: lock_iovec(vec, arg2, count, 0);
1.1 root 3327: ret = get_errno(readv(arg1, vec, count));
1.1.1.3 root 3328: unlock_iovec(vec, arg2, count, 1);
1.1 root 3329: }
3330: break;
3331: case TARGET_NR_writev:
3332: {
3333: int count = arg3;
3334: struct iovec *vec;
3335:
3336: vec = alloca(count * sizeof(struct iovec));
1.1.1.3 root 3337: lock_iovec(vec, arg2, count, 1);
1.1 root 3338: ret = get_errno(writev(arg1, vec, count));
1.1.1.3 root 3339: unlock_iovec(vec, arg2, count, 0);
1.1 root 3340: }
3341: break;
3342: case TARGET_NR_getsid:
3343: ret = get_errno(getsid(arg1));
3344: break;
3345: case TARGET_NR_fdatasync:
3346: ret = get_errno(fdatasync(arg1));
3347: break;
3348: case TARGET_NR__sysctl:
3349: /* We don't implement this, but ENODIR is always a safe
3350: return value. */
3351: return -ENOTDIR;
3352: case TARGET_NR_sched_setparam:
3353: {
1.1.1.3 root 3354: struct sched_param *target_schp;
1.1 root 3355: struct sched_param schp;
1.1.1.3 root 3356:
3357: lock_user_struct(target_schp, arg2, 1);
1.1 root 3358: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 3359: unlock_user_struct(target_schp, arg2, 0);
1.1 root 3360: ret = get_errno(sched_setparam(arg1, &schp));
3361: }
3362: break;
3363: case TARGET_NR_sched_getparam:
3364: {
1.1.1.3 root 3365: struct sched_param *target_schp;
1.1 root 3366: struct sched_param schp;
3367: ret = get_errno(sched_getparam(arg1, &schp));
3368: if (!is_error(ret)) {
1.1.1.3 root 3369: lock_user_struct(target_schp, arg2, 0);
1.1 root 3370: target_schp->sched_priority = tswap32(schp.sched_priority);
1.1.1.3 root 3371: unlock_user_struct(target_schp, arg2, 1);
1.1 root 3372: }
3373: }
3374: break;
3375: case TARGET_NR_sched_setscheduler:
3376: {
1.1.1.3 root 3377: struct sched_param *target_schp;
1.1 root 3378: struct sched_param schp;
1.1.1.3 root 3379: lock_user_struct(target_schp, arg3, 1);
1.1 root 3380: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 3381: unlock_user_struct(target_schp, arg3, 0);
1.1 root 3382: ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3383: }
3384: break;
3385: case TARGET_NR_sched_getscheduler:
3386: ret = get_errno(sched_getscheduler(arg1));
3387: break;
3388: case TARGET_NR_sched_yield:
3389: ret = get_errno(sched_yield());
3390: break;
3391: case TARGET_NR_sched_get_priority_max:
3392: ret = get_errno(sched_get_priority_max(arg1));
3393: break;
3394: case TARGET_NR_sched_get_priority_min:
3395: ret = get_errno(sched_get_priority_min(arg1));
3396: break;
3397: case TARGET_NR_sched_rr_get_interval:
3398: {
3399: struct timespec ts;
3400: ret = get_errno(sched_rr_get_interval(arg1, &ts));
3401: if (!is_error(ret)) {
1.1.1.3 root 3402: host_to_target_timespec(arg2, &ts);
1.1 root 3403: }
3404: }
3405: break;
3406: case TARGET_NR_nanosleep:
3407: {
3408: struct timespec req, rem;
1.1.1.3 root 3409: target_to_host_timespec(&req, arg1);
1.1 root 3410: ret = get_errno(nanosleep(&req, &rem));
1.1.1.3 root 3411: if (is_error(ret) && arg2) {
3412: host_to_target_timespec(arg2, &rem);
1.1 root 3413: }
3414: }
3415: break;
3416: case TARGET_NR_query_module:
3417: goto unimplemented;
3418: case TARGET_NR_nfsservctl:
3419: goto unimplemented;
3420: case TARGET_NR_prctl:
3421: goto unimplemented;
3422: #ifdef TARGET_NR_pread
3423: case TARGET_NR_pread:
1.1.1.3 root 3424: page_unprotect_range(arg2, arg3);
3425: p = lock_user(arg2, arg3, 0);
3426: ret = get_errno(pread(arg1, p, arg3, arg4));
3427: unlock_user(p, arg2, ret);
1.1 root 3428: break;
3429: case TARGET_NR_pwrite:
1.1.1.3 root 3430: p = lock_user(arg2, arg3, 1);
3431: ret = get_errno(pwrite(arg1, p, arg3, arg4));
3432: unlock_user(p, arg2, 0);
1.1 root 3433: break;
3434: #endif
3435: case TARGET_NR_getcwd:
1.1.1.3 root 3436: p = lock_user(arg1, arg2, 0);
3437: ret = get_errno(sys_getcwd1(p, arg2));
3438: unlock_user(p, arg1, ret);
1.1 root 3439: break;
3440: case TARGET_NR_capget:
3441: goto unimplemented;
3442: case TARGET_NR_capset:
3443: goto unimplemented;
3444: case TARGET_NR_sigaltstack:
3445: goto unimplemented;
3446: case TARGET_NR_sendfile:
3447: goto unimplemented;
3448: #ifdef TARGET_NR_getpmsg
3449: case TARGET_NR_getpmsg:
3450: goto unimplemented;
3451: #endif
3452: #ifdef TARGET_NR_putpmsg
3453: case TARGET_NR_putpmsg:
3454: goto unimplemented;
3455: #endif
1.1.1.2 root 3456: #ifdef TARGET_NR_vfork
1.1 root 3457: case TARGET_NR_vfork:
3458: ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
3459: break;
1.1.1.2 root 3460: #endif
1.1 root 3461: #ifdef TARGET_NR_ugetrlimit
3462: case TARGET_NR_ugetrlimit:
3463: {
3464: struct rlimit rlim;
3465: ret = get_errno(getrlimit(arg1, &rlim));
3466: if (!is_error(ret)) {
1.1.1.3 root 3467: struct target_rlimit *target_rlim;
3468: lock_user_struct(target_rlim, arg2, 0);
1.1 root 3469: target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3470: target_rlim->rlim_max = tswapl(rlim.rlim_max);
1.1.1.3 root 3471: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 3472: }
3473: break;
3474: }
3475: #endif
3476: #ifdef TARGET_NR_truncate64
3477: case TARGET_NR_truncate64:
1.1.1.3 root 3478: p = lock_user_string(arg1);
3479: ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3480: unlock_user(p, arg1, 0);
1.1 root 3481: break;
3482: #endif
3483: #ifdef TARGET_NR_ftruncate64
3484: case TARGET_NR_ftruncate64:
1.1.1.3 root 3485: ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
1.1 root 3486: break;
3487: #endif
3488: #ifdef TARGET_NR_stat64
3489: case TARGET_NR_stat64:
1.1.1.3 root 3490: p = lock_user_string(arg1);
3491: ret = get_errno(stat(path(p), &st));
3492: unlock_user(p, arg1, 0);
1.1 root 3493: goto do_stat64;
3494: #endif
3495: #ifdef TARGET_NR_lstat64
3496: case TARGET_NR_lstat64:
1.1.1.3 root 3497: p = lock_user_string(arg1);
3498: ret = get_errno(lstat(path(p), &st));
3499: unlock_user(p, arg1, 0);
1.1 root 3500: goto do_stat64;
3501: #endif
3502: #ifdef TARGET_NR_fstat64
3503: case TARGET_NR_fstat64:
3504: {
3505: ret = get_errno(fstat(arg1, &st));
3506: do_stat64:
3507: if (!is_error(ret)) {
1.1.1.3 root 3508: #ifdef TARGET_ARM
3509: if (((CPUARMState *)cpu_env)->eabi) {
3510: struct target_eabi_stat64 *target_st;
3511: lock_user_struct(target_st, arg2, 1);
3512: memset(target_st, 0, sizeof(struct target_eabi_stat64));
3513: /* put_user is probably wrong. */
3514: put_user(st.st_dev, &target_st->st_dev);
3515: put_user(st.st_ino, &target_st->st_ino);
3516: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3517: put_user(st.st_ino, &target_st->__st_ino);
3518: #endif
3519: put_user(st.st_mode, &target_st->st_mode);
3520: put_user(st.st_nlink, &target_st->st_nlink);
3521: put_user(st.st_uid, &target_st->st_uid);
3522: put_user(st.st_gid, &target_st->st_gid);
3523: put_user(st.st_rdev, &target_st->st_rdev);
3524: /* XXX: better use of kernel struct */
3525: put_user(st.st_size, &target_st->st_size);
3526: put_user(st.st_blksize, &target_st->st_blksize);
3527: put_user(st.st_blocks, &target_st->st_blocks);
3528: put_user(st.st_atime, &target_st->target_st_atime);
3529: put_user(st.st_mtime, &target_st->target_st_mtime);
3530: put_user(st.st_ctime, &target_st->target_st_ctime);
3531: unlock_user_struct(target_st, arg2, 0);
3532: } else
3533: #endif
3534: {
3535: struct target_stat64 *target_st;
3536: lock_user_struct(target_st, arg2, 1);
3537: memset(target_st, 0, sizeof(struct target_stat64));
3538: /* ??? put_user is probably wrong. */
3539: put_user(st.st_dev, &target_st->st_dev);
3540: put_user(st.st_ino, &target_st->st_ino);
1.1 root 3541: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
1.1.1.3 root 3542: put_user(st.st_ino, &target_st->__st_ino);
1.1 root 3543: #endif
1.1.1.3 root 3544: put_user(st.st_mode, &target_st->st_mode);
3545: put_user(st.st_nlink, &target_st->st_nlink);
3546: put_user(st.st_uid, &target_st->st_uid);
3547: put_user(st.st_gid, &target_st->st_gid);
3548: put_user(st.st_rdev, &target_st->st_rdev);
3549: /* XXX: better use of kernel struct */
3550: put_user(st.st_size, &target_st->st_size);
3551: put_user(st.st_blksize, &target_st->st_blksize);
3552: put_user(st.st_blocks, &target_st->st_blocks);
3553: put_user(st.st_atime, &target_st->target_st_atime);
3554: put_user(st.st_mtime, &target_st->target_st_mtime);
3555: put_user(st.st_ctime, &target_st->target_st_ctime);
3556: unlock_user_struct(target_st, arg2, 0);
3557: }
1.1 root 3558: }
3559: }
3560: break;
3561: #endif
3562: #ifdef USE_UID16
3563: case TARGET_NR_lchown:
1.1.1.3 root 3564: p = lock_user_string(arg1);
3565: ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3566: unlock_user(p, arg1, 0);
1.1 root 3567: break;
3568: case TARGET_NR_getuid:
3569: ret = get_errno(high2lowuid(getuid()));
3570: break;
3571: case TARGET_NR_getgid:
3572: ret = get_errno(high2lowgid(getgid()));
3573: break;
3574: case TARGET_NR_geteuid:
3575: ret = get_errno(high2lowuid(geteuid()));
3576: break;
3577: case TARGET_NR_getegid:
3578: ret = get_errno(high2lowgid(getegid()));
3579: break;
3580: case TARGET_NR_setreuid:
3581: ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3582: break;
3583: case TARGET_NR_setregid:
3584: ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3585: break;
3586: case TARGET_NR_getgroups:
3587: {
3588: int gidsetsize = arg1;
1.1.1.3 root 3589: uint16_t *target_grouplist;
1.1 root 3590: gid_t *grouplist;
3591: int i;
3592:
3593: grouplist = alloca(gidsetsize * sizeof(gid_t));
3594: ret = get_errno(getgroups(gidsetsize, grouplist));
3595: if (!is_error(ret)) {
1.1.1.3 root 3596: target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
1.1 root 3597: for(i = 0;i < gidsetsize; i++)
3598: target_grouplist[i] = tswap16(grouplist[i]);
1.1.1.3 root 3599: unlock_user(target_grouplist, arg2, gidsetsize * 2);
1.1 root 3600: }
3601: }
3602: break;
3603: case TARGET_NR_setgroups:
3604: {
3605: int gidsetsize = arg1;
1.1.1.3 root 3606: uint16_t *target_grouplist;
1.1 root 3607: gid_t *grouplist;
3608: int i;
3609:
3610: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.3 root 3611: target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
1.1 root 3612: for(i = 0;i < gidsetsize; i++)
3613: grouplist[i] = tswap16(target_grouplist[i]);
1.1.1.3 root 3614: unlock_user(target_grouplist, arg2, 0);
1.1 root 3615: ret = get_errno(setgroups(gidsetsize, grouplist));
3616: }
3617: break;
3618: case TARGET_NR_fchown:
3619: ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3620: break;
3621: #ifdef TARGET_NR_setresuid
3622: case TARGET_NR_setresuid:
3623: ret = get_errno(setresuid(low2highuid(arg1),
3624: low2highuid(arg2),
3625: low2highuid(arg3)));
3626: break;
3627: #endif
3628: #ifdef TARGET_NR_getresuid
3629: case TARGET_NR_getresuid:
3630: {
1.1.1.3 root 3631: uid_t ruid, euid, suid;
1.1 root 3632: ret = get_errno(getresuid(&ruid, &euid, &suid));
3633: if (!is_error(ret)) {
1.1.1.3 root 3634: tput16(arg1, tswap16(high2lowuid(ruid)));
3635: tput16(arg2, tswap16(high2lowuid(euid)));
3636: tput16(arg3, tswap16(high2lowuid(suid)));
1.1 root 3637: }
3638: }
3639: break;
3640: #endif
3641: #ifdef TARGET_NR_getresgid
3642: case TARGET_NR_setresgid:
3643: ret = get_errno(setresgid(low2highgid(arg1),
3644: low2highgid(arg2),
3645: low2highgid(arg3)));
3646: break;
3647: #endif
3648: #ifdef TARGET_NR_getresgid
3649: case TARGET_NR_getresgid:
3650: {
1.1.1.3 root 3651: gid_t rgid, egid, sgid;
1.1 root 3652: ret = get_errno(getresgid(&rgid, &egid, &sgid));
3653: if (!is_error(ret)) {
1.1.1.3 root 3654: tput16(arg1, tswap16(high2lowgid(rgid)));
3655: tput16(arg2, tswap16(high2lowgid(egid)));
3656: tput16(arg3, tswap16(high2lowgid(sgid)));
1.1 root 3657: }
3658: }
3659: break;
3660: #endif
3661: case TARGET_NR_chown:
1.1.1.3 root 3662: p = lock_user_string(arg1);
3663: ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3664: unlock_user(p, arg1, 0);
1.1 root 3665: break;
3666: case TARGET_NR_setuid:
3667: ret = get_errno(setuid(low2highuid(arg1)));
3668: break;
3669: case TARGET_NR_setgid:
3670: ret = get_errno(setgid(low2highgid(arg1)));
3671: break;
3672: case TARGET_NR_setfsuid:
3673: ret = get_errno(setfsuid(arg1));
3674: break;
3675: case TARGET_NR_setfsgid:
3676: ret = get_errno(setfsgid(arg1));
3677: break;
3678: #endif /* USE_UID16 */
3679:
3680: #ifdef TARGET_NR_lchown32
3681: case TARGET_NR_lchown32:
1.1.1.3 root 3682: p = lock_user_string(arg1);
3683: ret = get_errno(lchown(p, arg2, arg3));
3684: unlock_user(p, arg1, 0);
1.1 root 3685: break;
3686: #endif
3687: #ifdef TARGET_NR_getuid32
3688: case TARGET_NR_getuid32:
3689: ret = get_errno(getuid());
3690: break;
3691: #endif
3692: #ifdef TARGET_NR_getgid32
3693: case TARGET_NR_getgid32:
3694: ret = get_errno(getgid());
3695: break;
3696: #endif
3697: #ifdef TARGET_NR_geteuid32
3698: case TARGET_NR_geteuid32:
3699: ret = get_errno(geteuid());
3700: break;
3701: #endif
3702: #ifdef TARGET_NR_getegid32
3703: case TARGET_NR_getegid32:
3704: ret = get_errno(getegid());
3705: break;
3706: #endif
3707: #ifdef TARGET_NR_setreuid32
3708: case TARGET_NR_setreuid32:
3709: ret = get_errno(setreuid(arg1, arg2));
3710: break;
3711: #endif
3712: #ifdef TARGET_NR_setregid32
3713: case TARGET_NR_setregid32:
3714: ret = get_errno(setregid(arg1, arg2));
3715: break;
3716: #endif
3717: #ifdef TARGET_NR_getgroups32
3718: case TARGET_NR_getgroups32:
3719: {
3720: int gidsetsize = arg1;
1.1.1.3 root 3721: uint32_t *target_grouplist;
1.1 root 3722: gid_t *grouplist;
3723: int i;
3724:
3725: grouplist = alloca(gidsetsize * sizeof(gid_t));
3726: ret = get_errno(getgroups(gidsetsize, grouplist));
3727: if (!is_error(ret)) {
1.1.1.3 root 3728: target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
1.1 root 3729: for(i = 0;i < gidsetsize; i++)
1.1.1.3 root 3730: target_grouplist[i] = tswap32(grouplist[i]);
3731: unlock_user(target_grouplist, arg2, gidsetsize * 4);
1.1 root 3732: }
3733: }
3734: break;
3735: #endif
3736: #ifdef TARGET_NR_setgroups32
3737: case TARGET_NR_setgroups32:
3738: {
3739: int gidsetsize = arg1;
1.1.1.3 root 3740: uint32_t *target_grouplist;
1.1 root 3741: gid_t *grouplist;
3742: int i;
3743:
3744: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.3 root 3745: target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
1.1 root 3746: for(i = 0;i < gidsetsize; i++)
1.1.1.3 root 3747: grouplist[i] = tswap32(target_grouplist[i]);
3748: unlock_user(target_grouplist, arg2, 0);
1.1 root 3749: ret = get_errno(setgroups(gidsetsize, grouplist));
3750: }
3751: break;
3752: #endif
3753: #ifdef TARGET_NR_fchown32
3754: case TARGET_NR_fchown32:
3755: ret = get_errno(fchown(arg1, arg2, arg3));
3756: break;
3757: #endif
3758: #ifdef TARGET_NR_setresuid32
3759: case TARGET_NR_setresuid32:
3760: ret = get_errno(setresuid(arg1, arg2, arg3));
3761: break;
3762: #endif
3763: #ifdef TARGET_NR_getresuid32
3764: case TARGET_NR_getresuid32:
3765: {
1.1.1.3 root 3766: uid_t ruid, euid, suid;
1.1 root 3767: ret = get_errno(getresuid(&ruid, &euid, &suid));
3768: if (!is_error(ret)) {
1.1.1.3 root 3769: tput32(arg1, tswap32(ruid));
3770: tput32(arg2, tswap32(euid));
3771: tput32(arg3, tswap32(suid));
1.1 root 3772: }
3773: }
3774: break;
3775: #endif
3776: #ifdef TARGET_NR_setresgid32
3777: case TARGET_NR_setresgid32:
3778: ret = get_errno(setresgid(arg1, arg2, arg3));
3779: break;
3780: #endif
3781: #ifdef TARGET_NR_getresgid32
3782: case TARGET_NR_getresgid32:
3783: {
1.1.1.3 root 3784: gid_t rgid, egid, sgid;
1.1 root 3785: ret = get_errno(getresgid(&rgid, &egid, &sgid));
3786: if (!is_error(ret)) {
1.1.1.3 root 3787: tput32(arg1, tswap32(rgid));
3788: tput32(arg2, tswap32(egid));
3789: tput32(arg3, tswap32(sgid));
1.1 root 3790: }
3791: }
3792: break;
3793: #endif
3794: #ifdef TARGET_NR_chown32
3795: case TARGET_NR_chown32:
1.1.1.3 root 3796: p = lock_user_string(arg1);
3797: ret = get_errno(chown(p, arg2, arg3));
3798: unlock_user(p, arg1, 0);
1.1 root 3799: break;
3800: #endif
3801: #ifdef TARGET_NR_setuid32
3802: case TARGET_NR_setuid32:
3803: ret = get_errno(setuid(arg1));
3804: break;
3805: #endif
3806: #ifdef TARGET_NR_setgid32
3807: case TARGET_NR_setgid32:
3808: ret = get_errno(setgid(arg1));
3809: break;
3810: #endif
3811: #ifdef TARGET_NR_setfsuid32
3812: case TARGET_NR_setfsuid32:
3813: ret = get_errno(setfsuid(arg1));
3814: break;
3815: #endif
3816: #ifdef TARGET_NR_setfsgid32
3817: case TARGET_NR_setfsgid32:
3818: ret = get_errno(setfsgid(arg1));
3819: break;
3820: #endif
3821:
3822: case TARGET_NR_pivot_root:
3823: goto unimplemented;
3824: #ifdef TARGET_NR_mincore
3825: case TARGET_NR_mincore:
3826: goto unimplemented;
3827: #endif
3828: #ifdef TARGET_NR_madvise
3829: case TARGET_NR_madvise:
1.1.1.3 root 3830: /* A straight passthrough may not be safe because qemu sometimes
3831: turns private flie-backed mappings into anonymous mappings.
3832: This will break MADV_DONTNEED.
3833: This is a hint, so ignoring and returning success is ok. */
3834: ret = get_errno(0);
3835: break;
1.1 root 3836: #endif
3837: #if TARGET_LONG_BITS == 32
3838: case TARGET_NR_fcntl64:
3839: {
3840: struct flock64 fl;
1.1.1.3 root 3841: struct target_flock64 *target_fl;
3842: #ifdef TARGET_ARM
3843: struct target_eabi_flock64 *target_efl;
3844: #endif
1.1 root 3845:
3846: switch(arg2) {
3847: case F_GETLK64:
3848: ret = get_errno(fcntl(arg1, arg2, &fl));
3849: if (ret == 0) {
1.1.1.3 root 3850: #ifdef TARGET_ARM
3851: if (((CPUARMState *)cpu_env)->eabi) {
3852: lock_user_struct(target_efl, arg3, 0);
3853: target_efl->l_type = tswap16(fl.l_type);
3854: target_efl->l_whence = tswap16(fl.l_whence);
3855: target_efl->l_start = tswap64(fl.l_start);
3856: target_efl->l_len = tswap64(fl.l_len);
3857: target_efl->l_pid = tswapl(fl.l_pid);
3858: unlock_user_struct(target_efl, arg3, 1);
3859: } else
3860: #endif
3861: {
3862: lock_user_struct(target_fl, arg3, 0);
3863: target_fl->l_type = tswap16(fl.l_type);
3864: target_fl->l_whence = tswap16(fl.l_whence);
3865: target_fl->l_start = tswap64(fl.l_start);
3866: target_fl->l_len = tswap64(fl.l_len);
3867: target_fl->l_pid = tswapl(fl.l_pid);
3868: unlock_user_struct(target_fl, arg3, 1);
3869: }
1.1 root 3870: }
3871: break;
3872:
3873: case F_SETLK64:
3874: case F_SETLKW64:
1.1.1.3 root 3875: #ifdef TARGET_ARM
3876: if (((CPUARMState *)cpu_env)->eabi) {
3877: lock_user_struct(target_efl, arg3, 1);
3878: fl.l_type = tswap16(target_efl->l_type);
3879: fl.l_whence = tswap16(target_efl->l_whence);
3880: fl.l_start = tswap64(target_efl->l_start);
3881: fl.l_len = tswap64(target_efl->l_len);
3882: fl.l_pid = tswapl(target_efl->l_pid);
3883: unlock_user_struct(target_efl, arg3, 0);
3884: } else
3885: #endif
3886: {
3887: lock_user_struct(target_fl, arg3, 1);
3888: fl.l_type = tswap16(target_fl->l_type);
3889: fl.l_whence = tswap16(target_fl->l_whence);
3890: fl.l_start = tswap64(target_fl->l_start);
3891: fl.l_len = tswap64(target_fl->l_len);
3892: fl.l_pid = tswapl(target_fl->l_pid);
3893: unlock_user_struct(target_fl, arg3, 0);
3894: }
1.1 root 3895: ret = get_errno(fcntl(arg1, arg2, &fl));
3896: break;
3897: default:
3898: ret = get_errno(do_fcntl(arg1, arg2, arg3));
3899: break;
3900: }
3901: break;
3902: }
3903: #endif
1.1.1.5 ! root 3904: #ifdef TARGET_NR_cacheflush
! 3905: case TARGET_NR_cacheflush:
! 3906: /* self-modifying code is handled automatically, so nothing needed */
! 3907: ret = 0;
! 3908: break;
! 3909: #endif
1.1 root 3910: #ifdef TARGET_NR_security
3911: case TARGET_NR_security:
3912: goto unimplemented;
3913: #endif
3914: #ifdef TARGET_NR_getpagesize
3915: case TARGET_NR_getpagesize:
3916: ret = TARGET_PAGE_SIZE;
3917: break;
3918: #endif
3919: case TARGET_NR_gettid:
3920: ret = get_errno(gettid());
3921: break;
3922: case TARGET_NR_readahead:
3923: goto unimplemented;
3924: #ifdef TARGET_NR_setxattr
3925: case TARGET_NR_setxattr:
3926: case TARGET_NR_lsetxattr:
3927: case TARGET_NR_fsetxattr:
3928: case TARGET_NR_getxattr:
3929: case TARGET_NR_lgetxattr:
3930: case TARGET_NR_fgetxattr:
3931: case TARGET_NR_listxattr:
3932: case TARGET_NR_llistxattr:
3933: case TARGET_NR_flistxattr:
3934: case TARGET_NR_removexattr:
3935: case TARGET_NR_lremovexattr:
3936: case TARGET_NR_fremovexattr:
3937: goto unimplemented_nowarn;
3938: #endif
3939: #ifdef TARGET_NR_set_thread_area
3940: case TARGET_NR_set_thread_area:
3941: case TARGET_NR_get_thread_area:
3942: goto unimplemented_nowarn;
3943: #endif
1.1.1.4 root 3944: #ifdef TARGET_NR_getdomainname
3945: case TARGET_NR_getdomainname:
3946: goto unimplemented_nowarn;
3947: #endif
1.1 root 3948: default:
3949: unimplemented:
3950: gemu_log("qemu: Unsupported syscall: %d\n", num);
1.1.1.4 root 3951: #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) || defined(TARGET_NR_getdomainname)
1.1 root 3952: unimplemented_nowarn:
3953: #endif
3954: ret = -ENOSYS;
3955: break;
3956: }
3957: fail:
3958: #ifdef DEBUG
3959: gemu_log(" = %ld\n", ret);
3960: #endif
3961: return ret;
3962: }
3963:
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