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1.1 root 1: /*
2: * Linux syscalls
3: *
4: * Copyright (c) 2003 Fabrice Bellard
5: *
6: * This program is free software; you can redistribute it and/or modify
7: * it under the terms of the GNU General Public License as published by
8: * the Free Software Foundation; either version 2 of the License, or
9: * (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19: */
20: #include <stdlib.h>
21: #include <stdio.h>
22: #include <stdarg.h>
23: #include <string.h>
24: #include <elf.h>
25: #include <endian.h>
26: #include <errno.h>
27: #include <unistd.h>
28: #include <fcntl.h>
29: #include <time.h>
30: #include <sys/types.h>
31: #include <sys/wait.h>
32: #include <sys/time.h>
33: #include <sys/stat.h>
34: #include <sys/mount.h>
35: #include <sys/resource.h>
36: #include <sys/mman.h>
37: #include <sys/swap.h>
38: #include <signal.h>
39: #include <sched.h>
40: #include <sys/socket.h>
41: #include <sys/uio.h>
42: #include <sys/poll.h>
43: #include <sys/times.h>
44: #include <sys/shm.h>
1.1.1.2 ! root 45: #include <sys/statfs.h>
1.1 root 46: #include <utime.h>
47: #include <sys/sysinfo.h>
48: //#include <sys/user.h>
49: #include <netinet/ip.h>
50: #include <netinet/tcp.h>
51:
52: #define termios host_termios
53: #define winsize host_winsize
54: #define termio host_termio
55: #define sgttyb host_sgttyb /* same as target */
56: #define tchars host_tchars /* same as target */
57: #define ltchars host_ltchars /* same as target */
58:
59: #include <linux/termios.h>
60: #include <linux/unistd.h>
61: #include <linux/utsname.h>
62: #include <linux/cdrom.h>
63: #include <linux/hdreg.h>
64: #include <linux/soundcard.h>
65: #include <linux/dirent.h>
66: #include <linux/kd.h>
67:
68: #include "qemu.h"
69:
70: //#define DEBUG
71:
72: #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC)
73: /* 16 bit uid wrappers emulation */
74: #define USE_UID16
75: #endif
76:
77: //#include <linux/msdos_fs.h>
78: #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
79: #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
80:
81:
82: #if defined(__powerpc__)
83: #undef __syscall_nr
84: #undef __sc_loadargs_0
85: #undef __sc_loadargs_1
86: #undef __sc_loadargs_2
87: #undef __sc_loadargs_3
88: #undef __sc_loadargs_4
89: #undef __sc_loadargs_5
90: #undef __sc_asm_input_0
91: #undef __sc_asm_input_1
92: #undef __sc_asm_input_2
93: #undef __sc_asm_input_3
94: #undef __sc_asm_input_4
95: #undef __sc_asm_input_5
96: #undef _syscall0
97: #undef _syscall1
98: #undef _syscall2
99: #undef _syscall3
100: #undef _syscall4
101: #undef _syscall5
102:
103: /* need to redefine syscalls as Linux kernel defines are incorrect for
104: the clobber list */
105: /* On powerpc a system call basically clobbers the same registers like a
106: * function call, with the exception of LR (which is needed for the
107: * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
108: * an error return status).
109: */
110:
111: #define __syscall_nr(nr, type, name, args...) \
112: unsigned long __sc_ret, __sc_err; \
113: { \
114: register unsigned long __sc_0 __asm__ ("r0"); \
115: register unsigned long __sc_3 __asm__ ("r3"); \
116: register unsigned long __sc_4 __asm__ ("r4"); \
117: register unsigned long __sc_5 __asm__ ("r5"); \
118: register unsigned long __sc_6 __asm__ ("r6"); \
119: register unsigned long __sc_7 __asm__ ("r7"); \
120: \
121: __sc_loadargs_##nr(name, args); \
122: __asm__ __volatile__ \
123: ("sc \n\t" \
124: "mfcr %0 " \
125: : "=&r" (__sc_0), \
126: "=&r" (__sc_3), "=&r" (__sc_4), \
127: "=&r" (__sc_5), "=&r" (__sc_6), \
128: "=&r" (__sc_7) \
129: : __sc_asm_input_##nr \
130: : "cr0", "ctr", "memory", \
131: "r8", "r9", "r10","r11", "r12"); \
132: __sc_ret = __sc_3; \
133: __sc_err = __sc_0; \
134: } \
135: if (__sc_err & 0x10000000) \
136: { \
137: errno = __sc_ret; \
138: __sc_ret = -1; \
139: } \
140: return (type) __sc_ret
141:
142: #define __sc_loadargs_0(name, dummy...) \
143: __sc_0 = __NR_##name
144: #define __sc_loadargs_1(name, arg1) \
145: __sc_loadargs_0(name); \
146: __sc_3 = (unsigned long) (arg1)
147: #define __sc_loadargs_2(name, arg1, arg2) \
148: __sc_loadargs_1(name, arg1); \
149: __sc_4 = (unsigned long) (arg2)
150: #define __sc_loadargs_3(name, arg1, arg2, arg3) \
151: __sc_loadargs_2(name, arg1, arg2); \
152: __sc_5 = (unsigned long) (arg3)
153: #define __sc_loadargs_4(name, arg1, arg2, arg3, arg4) \
154: __sc_loadargs_3(name, arg1, arg2, arg3); \
155: __sc_6 = (unsigned long) (arg4)
156: #define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5) \
157: __sc_loadargs_4(name, arg1, arg2, arg3, arg4); \
158: __sc_7 = (unsigned long) (arg5)
159:
160: #define __sc_asm_input_0 "0" (__sc_0)
161: #define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3)
162: #define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4)
163: #define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5)
164: #define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6)
165: #define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7)
166:
167: #define _syscall0(type,name) \
168: type name(void) \
169: { \
170: __syscall_nr(0, type, name); \
171: }
172:
173: #define _syscall1(type,name,type1,arg1) \
174: type name(type1 arg1) \
175: { \
176: __syscall_nr(1, type, name, arg1); \
177: }
178:
179: #define _syscall2(type,name,type1,arg1,type2,arg2) \
180: type name(type1 arg1, type2 arg2) \
181: { \
182: __syscall_nr(2, type, name, arg1, arg2); \
183: }
184:
185: #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
186: type name(type1 arg1, type2 arg2, type3 arg3) \
187: { \
188: __syscall_nr(3, type, name, arg1, arg2, arg3); \
189: }
190:
191: #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
192: type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
193: { \
194: __syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \
195: }
196:
197: #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
198: type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
199: { \
200: __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \
201: }
202: #endif
203:
204: #define __NR_sys_uname __NR_uname
205: #define __NR_sys_getcwd1 __NR_getcwd
206: #define __NR_sys_getdents __NR_getdents
207: #define __NR_sys_getdents64 __NR_getdents64
208: #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
209:
210: #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
211: #define __NR__llseek __NR_lseek
212: #endif
213:
214: #ifdef __NR_gettid
215: _syscall0(int, gettid)
216: #else
217: static int gettid(void) {
218: return -ENOSYS;
219: }
220: #endif
221: _syscall1(int,sys_uname,struct new_utsname *,buf)
222: _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
223: _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
224: _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
225: _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
226: loff_t *, res, uint, wh);
227: _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
228: #ifdef __NR_exit_group
229: _syscall1(int,exit_group,int,error_code)
230: #endif
231:
232: extern int personality(int);
233: extern int flock(int, int);
234: extern int setfsuid(int);
235: extern int setfsgid(int);
236: extern int setresuid(uid_t, uid_t, uid_t);
237: extern int getresuid(uid_t *, uid_t *, uid_t *);
238: extern int setresgid(gid_t, gid_t, gid_t);
239: extern int getresgid(gid_t *, gid_t *, gid_t *);
240: extern int setgroups(int, gid_t *);
241:
242: static inline long get_errno(long ret)
243: {
244: if (ret == -1)
245: return -errno;
246: else
247: return ret;
248: }
249:
250: static inline int is_error(long ret)
251: {
252: return (unsigned long)ret >= (unsigned long)(-4096);
253: }
254:
255: static char *target_brk;
256: static char *target_original_brk;
257:
258: void target_set_brk(char *new_brk)
259: {
260: target_brk = new_brk;
261: target_original_brk = new_brk;
262: }
263:
264: long do_brk(char *new_brk)
265: {
266: char *brk_page;
267: long mapped_addr;
268: int new_alloc_size;
269:
270: if (!new_brk)
271: return (long)target_brk;
272: if (new_brk < target_original_brk)
273: return -ENOMEM;
274:
275: brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
276:
277: /* If the new brk is less than this, set it and we're done... */
278: if (new_brk < brk_page) {
279: target_brk = new_brk;
280: return (long)target_brk;
281: }
282:
283: /* We need to allocate more memory after the brk... */
284: new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
285: mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size,
286: PROT_READ|PROT_WRITE,
287: MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
288: if (is_error(mapped_addr)) {
289: return mapped_addr;
290: } else {
291: target_brk = new_brk;
292: return (long)target_brk;
293: }
294: }
295:
296: static inline fd_set *target_to_host_fds(fd_set *fds,
297: target_long *target_fds, int n)
298: {
299: #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
300: return (fd_set *)target_fds;
301: #else
302: int i, b;
303: if (target_fds) {
304: FD_ZERO(fds);
305: for(i = 0;i < n; i++) {
306: b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
307: (i & (TARGET_LONG_BITS - 1))) & 1;
308: if (b)
309: FD_SET(i, fds);
310: }
311: return fds;
312: } else {
313: return NULL;
314: }
315: #endif
316: }
317:
318: static inline void host_to_target_fds(target_long *target_fds,
319: fd_set *fds, int n)
320: {
321: #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
322: /* nothing to do */
323: #else
324: int i, nw, j, k;
325: target_long v;
326:
327: if (target_fds) {
328: nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
329: k = 0;
330: for(i = 0;i < nw; i++) {
331: v = 0;
332: for(j = 0; j < TARGET_LONG_BITS; j++) {
333: v |= ((FD_ISSET(k, fds) != 0) << j);
334: k++;
335: }
336: target_fds[i] = tswapl(v);
337: }
338: }
339: #endif
340: }
341:
342: #if defined(__alpha__)
343: #define HOST_HZ 1024
344: #else
345: #define HOST_HZ 100
346: #endif
347:
348: static inline long host_to_target_clock_t(long ticks)
349: {
350: #if HOST_HZ == TARGET_HZ
351: return ticks;
352: #else
353: return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
354: #endif
355: }
356:
357: static inline void host_to_target_rusage(struct target_rusage *target_rusage,
358: const struct rusage *rusage)
359: {
360: target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
361: target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
362: target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
363: target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
364: target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
365: target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
366: target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
367: target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
368: target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
369: target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
370: target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
371: target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
372: target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
373: target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
374: target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
375: target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
376: target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
377: target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
378: }
379:
380: static inline void target_to_host_timeval(struct timeval *tv,
381: const struct target_timeval *target_tv)
382: {
383: tv->tv_sec = tswapl(target_tv->tv_sec);
384: tv->tv_usec = tswapl(target_tv->tv_usec);
385: }
386:
387: static inline void host_to_target_timeval(struct target_timeval *target_tv,
388: const struct timeval *tv)
389: {
390: target_tv->tv_sec = tswapl(tv->tv_sec);
391: target_tv->tv_usec = tswapl(tv->tv_usec);
392: }
393:
394:
395: static long do_select(long n,
396: target_long *target_rfds, target_long *target_wfds,
397: target_long *target_efds, struct target_timeval *target_tv)
398: {
399: fd_set rfds, wfds, efds;
400: fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
401: struct timeval tv, *tv_ptr;
402: long ret;
403:
404: rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
405: wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
406: efds_ptr = target_to_host_fds(&efds, target_efds, n);
407:
408: if (target_tv) {
409: target_to_host_timeval(&tv, target_tv);
410: tv_ptr = &tv;
411: } else {
412: tv_ptr = NULL;
413: }
414: ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
415: if (!is_error(ret)) {
416: host_to_target_fds(target_rfds, rfds_ptr, n);
417: host_to_target_fds(target_wfds, wfds_ptr, n);
418: host_to_target_fds(target_efds, efds_ptr, n);
419:
420: if (target_tv) {
421: host_to_target_timeval(target_tv, &tv);
422: }
423: }
424: return ret;
425: }
426:
427: static inline void target_to_host_sockaddr(struct sockaddr *addr,
428: struct target_sockaddr *target_addr,
429: socklen_t len)
430: {
431: memcpy(addr, target_addr, len);
432: addr->sa_family = tswap16(target_addr->sa_family);
433: }
434:
435: static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
436: struct sockaddr *addr,
437: socklen_t len)
438: {
439: memcpy(target_addr, addr, len);
440: target_addr->sa_family = tswap16(addr->sa_family);
441: }
442:
443: static inline void target_to_host_cmsg(struct msghdr *msgh,
444: struct target_msghdr *target_msgh)
445: {
446: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
447: struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
448: socklen_t space = 0;
449:
450: while (cmsg && target_cmsg) {
451: void *data = CMSG_DATA(cmsg);
452: void *target_data = TARGET_CMSG_DATA(target_cmsg);
453:
454: int len = tswapl(target_cmsg->cmsg_len)
455: - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
456:
457: space += CMSG_SPACE(len);
458: if (space > msgh->msg_controllen) {
459: space -= CMSG_SPACE(len);
1.1.1.2 ! root 460: gemu_log("Host cmsg overflow\n");
1.1 root 461: break;
462: }
463:
464: cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
465: cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
466: cmsg->cmsg_len = CMSG_LEN(len);
467:
468: if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
469: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
470: memcpy(data, target_data, len);
471: } else {
472: int *fd = (int *)data;
473: int *target_fd = (int *)target_data;
474: int i, numfds = len / sizeof(int);
475:
476: for (i = 0; i < numfds; i++)
477: fd[i] = tswap32(target_fd[i]);
478: }
479:
480: cmsg = CMSG_NXTHDR(msgh, cmsg);
481: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
482: }
483:
484: msgh->msg_controllen = space;
485: }
486:
487: static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
488: struct msghdr *msgh)
489: {
490: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
491: struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
492: socklen_t space = 0;
493:
494: while (cmsg && target_cmsg) {
495: void *data = CMSG_DATA(cmsg);
496: void *target_data = TARGET_CMSG_DATA(target_cmsg);
497:
498: int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
499:
500: space += TARGET_CMSG_SPACE(len);
501: if (space > tswapl(target_msgh->msg_controllen)) {
502: space -= TARGET_CMSG_SPACE(len);
1.1.1.2 ! root 503: gemu_log("Target cmsg overflow\n");
1.1 root 504: break;
505: }
506:
507: target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
508: target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
509: target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
510:
511: if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
512: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
513: memcpy(target_data, data, len);
514: } else {
515: int *fd = (int *)data;
516: int *target_fd = (int *)target_data;
517: int i, numfds = len / sizeof(int);
518:
519: for (i = 0; i < numfds; i++)
520: target_fd[i] = tswap32(fd[i]);
521: }
522:
523: cmsg = CMSG_NXTHDR(msgh, cmsg);
524: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
525: }
526:
527: msgh->msg_controllen = tswapl(space);
528: }
529:
530: static long do_setsockopt(int sockfd, int level, int optname,
531: void *optval, socklen_t optlen)
532: {
533: int val, ret;
534:
535: switch(level) {
536: case SOL_TCP:
537: /* TCP options all take an 'int' value. */
538: if (optlen < sizeof(uint32_t))
539: return -EINVAL;
540:
541: if (get_user(val, (uint32_t *)optval))
542: return -EFAULT;
543: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
544: break;
545: case SOL_IP:
546: switch(optname) {
547: case IP_TOS:
548: case IP_TTL:
549: case IP_HDRINCL:
550: case IP_ROUTER_ALERT:
551: case IP_RECVOPTS:
552: case IP_RETOPTS:
553: case IP_PKTINFO:
554: case IP_MTU_DISCOVER:
555: case IP_RECVERR:
556: case IP_RECVTOS:
557: #ifdef IP_FREEBIND
558: case IP_FREEBIND:
559: #endif
560: case IP_MULTICAST_TTL:
561: case IP_MULTICAST_LOOP:
562: val = 0;
563: if (optlen >= sizeof(uint32_t)) {
564: if (get_user(val, (uint32_t *)optval))
565: return -EFAULT;
566: } else if (optlen >= 1) {
567: if (get_user(val, (uint8_t *)optval))
568: return -EFAULT;
569: }
570: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
571: break;
572: default:
573: goto unimplemented;
574: }
575: break;
576: case SOL_SOCKET:
577: switch (optname) {
578: /* Options with 'int' argument. */
579: case SO_DEBUG:
580: case SO_REUSEADDR:
581: case SO_TYPE:
582: case SO_ERROR:
583: case SO_DONTROUTE:
584: case SO_BROADCAST:
585: case SO_SNDBUF:
586: case SO_RCVBUF:
587: case SO_KEEPALIVE:
588: case SO_OOBINLINE:
589: case SO_NO_CHECK:
590: case SO_PRIORITY:
591: #ifdef SO_BSDCOMPAT
592: case SO_BSDCOMPAT:
593: #endif
594: case SO_PASSCRED:
595: case SO_TIMESTAMP:
596: case SO_RCVLOWAT:
597: case SO_RCVTIMEO:
598: case SO_SNDTIMEO:
599: if (optlen < sizeof(uint32_t))
600: return -EINVAL;
601: if (get_user(val, (uint32_t *)optval))
602: return -EFAULT;
603: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
604: break;
605: default:
606: goto unimplemented;
607: }
608: break;
609: default:
610: unimplemented:
611: gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
612: ret = -ENOSYS;
613: }
614: return ret;
615: }
616:
617: static long do_getsockopt(int sockfd, int level, int optname,
618: void *optval, socklen_t *optlen)
619: {
620: int len, lv, val, ret;
621:
622: switch(level) {
623: case SOL_SOCKET:
624: switch (optname) {
625: case SO_LINGER:
626: case SO_RCVTIMEO:
627: case SO_SNDTIMEO:
628: case SO_PEERCRED:
629: case SO_PEERNAME:
630: /* These don't just return a single integer */
631: goto unimplemented;
632: default:
633: goto int_case;
634: }
635: break;
636: case SOL_TCP:
637: /* TCP options all take an 'int' value. */
638: int_case:
639: if (get_user(len, optlen))
640: return -EFAULT;
641: if (len < 0)
642: return -EINVAL;
643: lv = sizeof(int);
644: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
645: if (ret < 0)
646: return ret;
647: val = tswap32(val);
648: if (len > lv)
649: len = lv;
650: if (copy_to_user(optval, &val, len))
651: return -EFAULT;
652: if (put_user(len, optlen))
653: return -EFAULT;
654: break;
655: case SOL_IP:
656: switch(optname) {
657: case IP_TOS:
658: case IP_TTL:
659: case IP_HDRINCL:
660: case IP_ROUTER_ALERT:
661: case IP_RECVOPTS:
662: case IP_RETOPTS:
663: case IP_PKTINFO:
664: case IP_MTU_DISCOVER:
665: case IP_RECVERR:
666: case IP_RECVTOS:
667: #ifdef IP_FREEBIND
668: case IP_FREEBIND:
669: #endif
670: case IP_MULTICAST_TTL:
671: case IP_MULTICAST_LOOP:
672: if (get_user(len, optlen))
673: return -EFAULT;
674: if (len < 0)
675: return -EINVAL;
676: lv = sizeof(int);
677: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
678: if (ret < 0)
679: return ret;
680: if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
681: unsigned char ucval = val;
682: len = 1;
683: if (put_user(len, optlen))
684: return -EFAULT;
685: if (copy_to_user(optval,&ucval,1))
686: return -EFAULT;
687: } else {
688: val = tswap32(val);
689: if (len > sizeof(int))
690: len = sizeof(int);
691: if (put_user(len, optlen))
692: return -EFAULT;
693: if (copy_to_user(optval, &val, len))
694: return -EFAULT;
695: }
696: break;
697: default:
698: goto unimplemented;
699: }
700: break;
701: default:
702: unimplemented:
703: gemu_log("getsockopt level=%d optname=%d not yet supported\n",
704: level, optname);
705: ret = -ENOSYS;
706: break;
707: }
708: return ret;
709: }
710:
711: static long do_socketcall(int num, int32_t *vptr)
712: {
713: long ret;
714:
715: switch(num) {
716: case SOCKOP_socket:
717: {
718: int domain = tswap32(vptr[0]);
719: int type = tswap32(vptr[1]);
720: int protocol = tswap32(vptr[2]);
721:
722: ret = get_errno(socket(domain, type, protocol));
723: }
724: break;
725: case SOCKOP_bind:
726: {
727: int sockfd = tswap32(vptr[0]);
728: void *target_addr = (void *)tswap32(vptr[1]);
729: socklen_t addrlen = tswap32(vptr[2]);
730: void *addr = alloca(addrlen);
731:
732: target_to_host_sockaddr(addr, target_addr, addrlen);
733: ret = get_errno(bind(sockfd, addr, addrlen));
734: }
735: break;
736: case SOCKOP_connect:
737: {
738: int sockfd = tswap32(vptr[0]);
739: void *target_addr = (void *)tswap32(vptr[1]);
740: socklen_t addrlen = tswap32(vptr[2]);
741: void *addr = alloca(addrlen);
742:
743: target_to_host_sockaddr(addr, target_addr, addrlen);
744: ret = get_errno(connect(sockfd, addr, addrlen));
745: }
746: break;
747: case SOCKOP_listen:
748: {
749: int sockfd = tswap32(vptr[0]);
750: int backlog = tswap32(vptr[1]);
751:
752: ret = get_errno(listen(sockfd, backlog));
753: }
754: break;
755: case SOCKOP_accept:
756: {
757: int sockfd = tswap32(vptr[0]);
758: void *target_addr = (void *)tswap32(vptr[1]);
759: uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
760: socklen_t addrlen = tswap32(*target_addrlen);
761: void *addr = alloca(addrlen);
762:
763: ret = get_errno(accept(sockfd, addr, &addrlen));
764: if (!is_error(ret)) {
765: host_to_target_sockaddr(target_addr, addr, addrlen);
766: *target_addrlen = tswap32(addrlen);
767: }
768: }
769: break;
770: case SOCKOP_getsockname:
771: {
772: int sockfd = tswap32(vptr[0]);
773: void *target_addr = (void *)tswap32(vptr[1]);
774: uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
775: socklen_t addrlen = tswap32(*target_addrlen);
776: void *addr = alloca(addrlen);
777:
778: ret = get_errno(getsockname(sockfd, addr, &addrlen));
779: if (!is_error(ret)) {
780: host_to_target_sockaddr(target_addr, addr, addrlen);
781: *target_addrlen = tswap32(addrlen);
782: }
783: }
784: break;
785: case SOCKOP_getpeername:
786: {
787: int sockfd = tswap32(vptr[0]);
788: void *target_addr = (void *)tswap32(vptr[1]);
789: uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
790: socklen_t addrlen = tswap32(*target_addrlen);
791: void *addr = alloca(addrlen);
792:
793: ret = get_errno(getpeername(sockfd, addr, &addrlen));
794: if (!is_error(ret)) {
795: host_to_target_sockaddr(target_addr, addr, addrlen);
796: *target_addrlen = tswap32(addrlen);
797: }
798: }
799: break;
800: case SOCKOP_socketpair:
801: {
802: int domain = tswap32(vptr[0]);
803: int type = tswap32(vptr[1]);
804: int protocol = tswap32(vptr[2]);
805: int32_t *target_tab = (void *)tswap32(vptr[3]);
806: int tab[2];
807:
808: ret = get_errno(socketpair(domain, type, protocol, tab));
809: if (!is_error(ret)) {
810: target_tab[0] = tswap32(tab[0]);
811: target_tab[1] = tswap32(tab[1]);
812: }
813: }
814: break;
815: case SOCKOP_send:
816: {
817: int sockfd = tswap32(vptr[0]);
818: void *msg = (void *)tswap32(vptr[1]);
819: size_t len = tswap32(vptr[2]);
820: int flags = tswap32(vptr[3]);
821:
822: ret = get_errno(send(sockfd, msg, len, flags));
823: }
824: break;
825: case SOCKOP_recv:
826: {
827: int sockfd = tswap32(vptr[0]);
828: void *msg = (void *)tswap32(vptr[1]);
829: size_t len = tswap32(vptr[2]);
830: int flags = tswap32(vptr[3]);
831:
832: ret = get_errno(recv(sockfd, msg, len, flags));
833: }
834: break;
835: case SOCKOP_sendto:
836: {
837: int sockfd = tswap32(vptr[0]);
838: void *msg = (void *)tswap32(vptr[1]);
839: size_t len = tswap32(vptr[2]);
840: int flags = tswap32(vptr[3]);
841: void *target_addr = (void *)tswap32(vptr[4]);
842: socklen_t addrlen = tswap32(vptr[5]);
843: void *addr = alloca(addrlen);
844:
845: target_to_host_sockaddr(addr, target_addr, addrlen);
846: ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
847: }
848: break;
849: case SOCKOP_recvfrom:
850: {
851: int sockfd = tswap32(vptr[0]);
852: void *msg = (void *)tswap32(vptr[1]);
853: size_t len = tswap32(vptr[2]);
854: int flags = tswap32(vptr[3]);
855: void *target_addr = (void *)tswap32(vptr[4]);
856: uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
857: socklen_t addrlen = tswap32(*target_addrlen);
858: void *addr = alloca(addrlen);
859:
860: ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
861: if (!is_error(ret)) {
862: host_to_target_sockaddr(target_addr, addr, addrlen);
863: *target_addrlen = tswap32(addrlen);
864: }
865: }
866: break;
867: case SOCKOP_shutdown:
868: {
869: int sockfd = tswap32(vptr[0]);
870: int how = tswap32(vptr[1]);
871:
872: ret = get_errno(shutdown(sockfd, how));
873: }
874: break;
875: case SOCKOP_sendmsg:
876: case SOCKOP_recvmsg:
877: {
878: int fd;
879: struct target_msghdr *msgp;
880: struct msghdr msg;
881: int flags, count, i;
882: struct iovec *vec;
883: struct target_iovec *target_vec;
884:
885: msgp = (void *)tswap32(vptr[1]);
886: msg.msg_name = (void *)tswapl(msgp->msg_name);
887: msg.msg_namelen = tswapl(msgp->msg_namelen);
888: msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
889: msg.msg_control = alloca(msg.msg_controllen);
890: msg.msg_flags = tswap32(msgp->msg_flags);
891:
892: count = tswapl(msgp->msg_iovlen);
893: vec = alloca(count * sizeof(struct iovec));
894: target_vec = (void *)tswapl(msgp->msg_iov);
895: for(i = 0;i < count; i++) {
896: vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
897: vec[i].iov_len = tswapl(target_vec[i].iov_len);
898: }
899: msg.msg_iovlen = count;
900: msg.msg_iov = vec;
901:
902: fd = tswap32(vptr[0]);
903: flags = tswap32(vptr[2]);
904: if (num == SOCKOP_sendmsg) {
905: target_to_host_cmsg(&msg, msgp);
906: ret = get_errno(sendmsg(fd, &msg, flags));
907: } else {
908: ret = get_errno(recvmsg(fd, &msg, flags));
909: if (!is_error(ret))
910: host_to_target_cmsg(msgp, &msg);
911: }
912: }
913: break;
914: case SOCKOP_setsockopt:
915: {
916: int sockfd = tswap32(vptr[0]);
917: int level = tswap32(vptr[1]);
918: int optname = tswap32(vptr[2]);
919: void *optval = (void *)tswap32(vptr[3]);
920: socklen_t optlen = tswap32(vptr[4]);
921:
922: ret = do_setsockopt(sockfd, level, optname, optval, optlen);
923: }
924: break;
925: case SOCKOP_getsockopt:
926: {
927: int sockfd = tswap32(vptr[0]);
928: int level = tswap32(vptr[1]);
929: int optname = tswap32(vptr[2]);
930: void *optval = (void *)tswap32(vptr[3]);
931: uint32_t *poptlen = (void *)tswap32(vptr[4]);
932:
933: ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
934: }
935: break;
936: default:
937: gemu_log("Unsupported socketcall: %d\n", num);
938: ret = -ENOSYS;
939: break;
940: }
941: return ret;
942: }
943:
944:
945: #define N_SHM_REGIONS 32
946:
947: static struct shm_region {
948: uint32_t start;
949: uint32_t size;
950: } shm_regions[N_SHM_REGIONS];
951:
952: static long do_ipc(long call, long first, long second, long third,
953: long ptr, long fifth)
954: {
955: int version;
956: long ret = 0;
957: unsigned long raddr;
958: struct shmid_ds shm_info;
959: int i;
960:
961: version = call >> 16;
962: call &= 0xffff;
963:
964: switch (call) {
965: case IPCOP_shmat:
966: /* SHM_* flags are the same on all linux platforms */
967: ret = get_errno((long) shmat(first, (void *) ptr, second));
968: if (is_error(ret))
969: break;
970: raddr = ret;
971: /* find out the length of the shared memory segment */
972:
973: ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
974: if (is_error(ret)) {
975: /* can't get length, bail out */
976: shmdt((void *) raddr);
977: break;
978: }
979: page_set_flags(raddr, raddr + shm_info.shm_segsz,
980: PAGE_VALID | PAGE_READ |
981: ((second & SHM_RDONLY)? 0: PAGE_WRITE));
982: for (i = 0; i < N_SHM_REGIONS; ++i) {
983: if (shm_regions[i].start == 0) {
984: shm_regions[i].start = raddr;
985: shm_regions[i].size = shm_info.shm_segsz;
986: break;
987: }
988: }
989: if (put_user(raddr, (uint32_t *)third))
990: return -EFAULT;
991: ret = 0;
992: break;
993: case IPCOP_shmdt:
994: for (i = 0; i < N_SHM_REGIONS; ++i) {
995: if (shm_regions[i].start == ptr) {
996: shm_regions[i].start = 0;
997: page_set_flags(ptr, shm_regions[i].size, 0);
998: break;
999: }
1000: }
1001: ret = get_errno(shmdt((void *) ptr));
1002: break;
1003:
1004: case IPCOP_shmget:
1005: /* IPC_* flag values are the same on all linux platforms */
1006: ret = get_errno(shmget(first, second, third));
1007: break;
1008:
1009: /* IPC_* and SHM_* command values are the same on all linux platforms */
1010: case IPCOP_shmctl:
1011: switch(second) {
1012: case IPC_RMID:
1013: case SHM_LOCK:
1014: case SHM_UNLOCK:
1015: ret = get_errno(shmctl(first, second, NULL));
1016: break;
1017: default:
1018: goto unimplemented;
1019: }
1020: break;
1021: default:
1022: unimplemented:
1023: gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1024: ret = -ENOSYS;
1025: break;
1026: }
1027: return ret;
1028: }
1029:
1030: /* kernel structure types definitions */
1031: #define IFNAMSIZ 16
1032:
1033: #define STRUCT(name, list...) STRUCT_ ## name,
1034: #define STRUCT_SPECIAL(name) STRUCT_ ## name,
1035: enum {
1036: #include "syscall_types.h"
1037: };
1038: #undef STRUCT
1039: #undef STRUCT_SPECIAL
1040:
1041: #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1042: #define STRUCT_SPECIAL(name)
1043: #include "syscall_types.h"
1044: #undef STRUCT
1045: #undef STRUCT_SPECIAL
1046:
1047: typedef struct IOCTLEntry {
1048: unsigned int target_cmd;
1049: unsigned int host_cmd;
1050: const char *name;
1051: int access;
1052: const argtype arg_type[5];
1053: } IOCTLEntry;
1054:
1055: #define IOC_R 0x0001
1056: #define IOC_W 0x0002
1057: #define IOC_RW (IOC_R | IOC_W)
1058:
1059: #define MAX_STRUCT_SIZE 4096
1060:
1061: IOCTLEntry ioctl_entries[] = {
1062: #define IOCTL(cmd, access, types...) \
1063: { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1064: #include "ioctls.h"
1065: { 0, 0, },
1066: };
1067:
1068: static long do_ioctl(long fd, long cmd, long arg)
1069: {
1070: const IOCTLEntry *ie;
1071: const argtype *arg_type;
1072: long ret;
1073: uint8_t buf_temp[MAX_STRUCT_SIZE];
1074:
1075: ie = ioctl_entries;
1076: for(;;) {
1077: if (ie->target_cmd == 0) {
1078: gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1079: return -ENOSYS;
1080: }
1081: if (ie->target_cmd == cmd)
1082: break;
1083: ie++;
1084: }
1085: arg_type = ie->arg_type;
1086: #if defined(DEBUG)
1087: gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1088: #endif
1089: switch(arg_type[0]) {
1090: case TYPE_NULL:
1091: /* no argument */
1092: ret = get_errno(ioctl(fd, ie->host_cmd));
1093: break;
1094: case TYPE_PTRVOID:
1095: case TYPE_INT:
1096: /* int argment */
1097: ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1098: break;
1099: case TYPE_PTR:
1100: arg_type++;
1101: switch(ie->access) {
1102: case IOC_R:
1103: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1104: if (!is_error(ret)) {
1105: thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
1106: }
1107: break;
1108: case IOC_W:
1109: thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
1110: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1111: break;
1112: default:
1113: case IOC_RW:
1114: thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
1115: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1116: if (!is_error(ret)) {
1117: thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
1118: }
1119: break;
1120: }
1121: break;
1122: default:
1123: gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1124: ret = -ENOSYS;
1125: break;
1126: }
1127: return ret;
1128: }
1129:
1130: bitmask_transtbl iflag_tbl[] = {
1131: { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1132: { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1133: { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1134: { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1135: { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1136: { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1137: { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1138: { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1139: { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1140: { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1141: { TARGET_IXON, TARGET_IXON, IXON, IXON },
1142: { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1143: { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1144: { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1145: { 0, 0, 0, 0 }
1146: };
1147:
1148: bitmask_transtbl oflag_tbl[] = {
1149: { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1150: { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1151: { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1152: { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1153: { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1154: { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1155: { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1156: { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1157: { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1158: { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1159: { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1160: { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1161: { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1162: { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1163: { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1164: { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1165: { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1166: { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1167: { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1168: { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1169: { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1170: { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1171: { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1172: { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1173: { 0, 0, 0, 0 }
1174: };
1175:
1176: bitmask_transtbl cflag_tbl[] = {
1177: { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1178: { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1179: { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1180: { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1181: { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1182: { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1183: { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1184: { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1185: { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1186: { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1187: { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1188: { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1189: { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1190: { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1191: { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1192: { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1193: { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1194: { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1195: { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1196: { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1197: { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1198: { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1199: { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1200: { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1201: { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1202: { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1203: { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1204: { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1205: { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1206: { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1207: { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1208: { 0, 0, 0, 0 }
1209: };
1210:
1211: bitmask_transtbl lflag_tbl[] = {
1212: { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1213: { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1214: { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1215: { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1216: { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1217: { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1218: { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1219: { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1220: { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1221: { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1222: { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1223: { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1224: { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1225: { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1226: { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1227: { 0, 0, 0, 0 }
1228: };
1229:
1230: static void target_to_host_termios (void *dst, const void *src)
1231: {
1232: struct host_termios *host = dst;
1233: const struct target_termios *target = src;
1234:
1235: host->c_iflag =
1236: target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1237: host->c_oflag =
1238: target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1239: host->c_cflag =
1240: target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1241: host->c_lflag =
1242: target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1243: host->c_line = target->c_line;
1244:
1245: host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1246: host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1247: host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1248: host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1249: host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1250: host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1251: host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1252: host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1253: host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1254: host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1255: host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1256: host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1257: host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1258: host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1259: host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1260: host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1261: host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1262: }
1263:
1264: static void host_to_target_termios (void *dst, const void *src)
1265: {
1266: struct target_termios *target = dst;
1267: const struct host_termios *host = src;
1268:
1269: target->c_iflag =
1270: tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1271: target->c_oflag =
1272: tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1273: target->c_cflag =
1274: tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1275: target->c_lflag =
1276: tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1277: target->c_line = host->c_line;
1278:
1279: target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1280: target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1281: target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1282: target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1283: target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1284: target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1285: target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1286: target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1287: target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1288: target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1289: target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1290: target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1291: target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1292: target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1293: target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1294: target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1295: target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1296: }
1297:
1298: StructEntry struct_termios_def = {
1299: .convert = { host_to_target_termios, target_to_host_termios },
1300: .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1301: .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1302: };
1303:
1304: static bitmask_transtbl mmap_flags_tbl[] = {
1305: { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1306: { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1307: { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1308: { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1309: { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1310: { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1311: { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1312: { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1313: { 0, 0, 0, 0 }
1314: };
1315:
1316: static bitmask_transtbl fcntl_flags_tbl[] = {
1317: { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1318: { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1319: { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1320: { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1321: { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1322: { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1323: { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1324: { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1325: { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1326: { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1327: { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1328: { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1329: { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1330: #if defined(O_DIRECT)
1331: { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
1332: #endif
1333: { 0, 0, 0, 0 }
1334: };
1335:
1336: #if defined(TARGET_I386)
1337:
1338: /* NOTE: there is really one LDT for all the threads */
1339: uint8_t *ldt_table;
1340:
1341: static int read_ldt(void *ptr, unsigned long bytecount)
1342: {
1343: int size;
1344:
1345: if (!ldt_table)
1346: return 0;
1347: size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1348: if (size > bytecount)
1349: size = bytecount;
1350: memcpy(ptr, ldt_table, size);
1351: return size;
1352: }
1353:
1354: /* XXX: add locking support */
1355: static int write_ldt(CPUX86State *env,
1356: void *ptr, unsigned long bytecount, int oldmode)
1357: {
1358: struct target_modify_ldt_ldt_s ldt_info;
1359: int seg_32bit, contents, read_exec_only, limit_in_pages;
1360: int seg_not_present, useable;
1361: uint32_t *lp, entry_1, entry_2;
1362:
1363: if (bytecount != sizeof(ldt_info))
1364: return -EINVAL;
1365: memcpy(&ldt_info, ptr, sizeof(ldt_info));
1366: tswap32s(&ldt_info.entry_number);
1367: tswapls((long *)&ldt_info.base_addr);
1368: tswap32s(&ldt_info.limit);
1369: tswap32s(&ldt_info.flags);
1370:
1371: if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1372: return -EINVAL;
1373: seg_32bit = ldt_info.flags & 1;
1374: contents = (ldt_info.flags >> 1) & 3;
1375: read_exec_only = (ldt_info.flags >> 3) & 1;
1376: limit_in_pages = (ldt_info.flags >> 4) & 1;
1377: seg_not_present = (ldt_info.flags >> 5) & 1;
1378: useable = (ldt_info.flags >> 6) & 1;
1379:
1380: if (contents == 3) {
1381: if (oldmode)
1382: return -EINVAL;
1383: if (seg_not_present == 0)
1384: return -EINVAL;
1385: }
1386: /* allocate the LDT */
1387: if (!ldt_table) {
1388: ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1389: if (!ldt_table)
1390: return -ENOMEM;
1391: memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1392: env->ldt.base = (long)ldt_table;
1393: env->ldt.limit = 0xffff;
1394: }
1395:
1396: /* NOTE: same code as Linux kernel */
1397: /* Allow LDTs to be cleared by the user. */
1398: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1399: if (oldmode ||
1400: (contents == 0 &&
1401: read_exec_only == 1 &&
1402: seg_32bit == 0 &&
1403: limit_in_pages == 0 &&
1404: seg_not_present == 1 &&
1405: useable == 0 )) {
1406: entry_1 = 0;
1407: entry_2 = 0;
1408: goto install;
1409: }
1410: }
1411:
1412: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1413: (ldt_info.limit & 0x0ffff);
1414: entry_2 = (ldt_info.base_addr & 0xff000000) |
1415: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1416: (ldt_info.limit & 0xf0000) |
1417: ((read_exec_only ^ 1) << 9) |
1418: (contents << 10) |
1419: ((seg_not_present ^ 1) << 15) |
1420: (seg_32bit << 22) |
1421: (limit_in_pages << 23) |
1422: 0x7000;
1423: if (!oldmode)
1424: entry_2 |= (useable << 20);
1425:
1426: /* Install the new entry ... */
1427: install:
1428: lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1429: lp[0] = tswap32(entry_1);
1430: lp[1] = tswap32(entry_2);
1431: return 0;
1432: }
1433:
1434: /* specific and weird i386 syscalls */
1435: int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
1436: {
1437: int ret = -ENOSYS;
1438:
1439: switch (func) {
1440: case 0:
1441: ret = read_ldt(ptr, bytecount);
1442: break;
1443: case 1:
1444: ret = write_ldt(env, ptr, bytecount, 1);
1445: break;
1446: case 0x11:
1447: ret = write_ldt(env, ptr, bytecount, 0);
1448: break;
1449: }
1450: return ret;
1451: }
1452:
1453: #endif /* defined(TARGET_I386) */
1454:
1455: /* this stack is the equivalent of the kernel stack associated with a
1456: thread/process */
1457: #define NEW_STACK_SIZE 8192
1458:
1459: static int clone_func(void *arg)
1460: {
1461: CPUState *env = arg;
1462: cpu_loop(env);
1463: /* never exits */
1464: return 0;
1465: }
1466:
1467: int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1468: {
1469: int ret;
1470: TaskState *ts;
1471: uint8_t *new_stack;
1472: CPUState *new_env;
1473:
1474: if (flags & CLONE_VM) {
1475: ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1476: memset(ts, 0, sizeof(TaskState));
1477: new_stack = ts->stack;
1478: ts->used = 1;
1479: /* add in task state list */
1480: ts->next = first_task_state;
1481: first_task_state = ts;
1482: /* we create a new CPU instance. */
1483: new_env = cpu_init();
1484: memcpy(new_env, env, sizeof(CPUState));
1485: #if defined(TARGET_I386)
1486: if (!newsp)
1487: newsp = env->regs[R_ESP];
1488: new_env->regs[R_ESP] = newsp;
1489: new_env->regs[R_EAX] = 0;
1490: #elif defined(TARGET_ARM)
1491: if (!newsp)
1492: newsp = env->regs[13];
1493: new_env->regs[13] = newsp;
1494: new_env->regs[0] = 0;
1495: #elif defined(TARGET_SPARC)
1496: printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1.1.1.2 ! root 1497: #elif defined(TARGET_MIPS)
! 1498: printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1.1 root 1499: #elif defined(TARGET_PPC)
1500: if (!newsp)
1501: newsp = env->gpr[1];
1502: new_env->gpr[1] = newsp;
1503: {
1504: int i;
1505: for (i = 7; i < 32; i++)
1506: new_env->gpr[i] = 0;
1507: }
1508: #else
1509: #error unsupported target CPU
1510: #endif
1511: new_env->opaque = ts;
1512: #ifdef __ia64__
1513: ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1514: #else
1515: ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1516: #endif
1517: } else {
1518: /* if no CLONE_VM, we consider it is a fork */
1519: if ((flags & ~CSIGNAL) != 0)
1520: return -EINVAL;
1521: ret = fork();
1522: }
1523: return ret;
1524: }
1525:
1526: static long do_fcntl(int fd, int cmd, unsigned long arg)
1527: {
1528: struct flock fl;
1529: struct target_flock *target_fl = (void *)arg;
1530: long ret;
1531:
1532: switch(cmd) {
1533: case TARGET_F_GETLK:
1534: ret = fcntl(fd, cmd, &fl);
1535: if (ret == 0) {
1536: target_fl->l_type = tswap16(fl.l_type);
1537: target_fl->l_whence = tswap16(fl.l_whence);
1538: target_fl->l_start = tswapl(fl.l_start);
1539: target_fl->l_len = tswapl(fl.l_len);
1540: target_fl->l_pid = tswapl(fl.l_pid);
1541: }
1542: break;
1543:
1544: case TARGET_F_SETLK:
1545: case TARGET_F_SETLKW:
1546: fl.l_type = tswap16(target_fl->l_type);
1547: fl.l_whence = tswap16(target_fl->l_whence);
1548: fl.l_start = tswapl(target_fl->l_start);
1549: fl.l_len = tswapl(target_fl->l_len);
1550: fl.l_pid = tswapl(target_fl->l_pid);
1551: ret = fcntl(fd, cmd, &fl);
1552: break;
1553:
1554: case TARGET_F_GETLK64:
1555: case TARGET_F_SETLK64:
1556: case TARGET_F_SETLKW64:
1557: ret = -1;
1558: errno = EINVAL;
1559: break;
1560:
1561: case F_GETFL:
1562: ret = fcntl(fd, cmd, arg);
1563: ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1564: break;
1565:
1566: case F_SETFL:
1567: ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1568: break;
1569:
1570: default:
1571: ret = fcntl(fd, cmd, arg);
1572: break;
1573: }
1574: return ret;
1575: }
1576:
1577: #ifdef USE_UID16
1578:
1579: static inline int high2lowuid(int uid)
1580: {
1581: if (uid > 65535)
1582: return 65534;
1583: else
1584: return uid;
1585: }
1586:
1587: static inline int high2lowgid(int gid)
1588: {
1589: if (gid > 65535)
1590: return 65534;
1591: else
1592: return gid;
1593: }
1594:
1595: static inline int low2highuid(int uid)
1596: {
1597: if ((int16_t)uid == -1)
1598: return -1;
1599: else
1600: return uid;
1601: }
1602:
1603: static inline int low2highgid(int gid)
1604: {
1605: if ((int16_t)gid == -1)
1606: return -1;
1607: else
1608: return gid;
1609: }
1610:
1611: #endif /* USE_UID16 */
1612:
1613: void syscall_init(void)
1614: {
1615: IOCTLEntry *ie;
1616: const argtype *arg_type;
1617: int size;
1618:
1619: #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1620: #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1621: #include "syscall_types.h"
1622: #undef STRUCT
1623: #undef STRUCT_SPECIAL
1624:
1625: /* we patch the ioctl size if necessary. We rely on the fact that
1626: no ioctl has all the bits at '1' in the size field */
1627: ie = ioctl_entries;
1628: while (ie->target_cmd != 0) {
1629: if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1630: TARGET_IOC_SIZEMASK) {
1631: arg_type = ie->arg_type;
1632: if (arg_type[0] != TYPE_PTR) {
1633: fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1634: ie->target_cmd);
1635: exit(1);
1636: }
1637: arg_type++;
1638: size = thunk_type_size(arg_type, 0);
1639: ie->target_cmd = (ie->target_cmd &
1640: ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1641: (size << TARGET_IOC_SIZESHIFT);
1642: }
1643: /* automatic consistency check if same arch */
1644: #if defined(__i386__) && defined(TARGET_I386)
1645: if (ie->target_cmd != ie->host_cmd) {
1646: fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1647: ie->target_cmd, ie->host_cmd);
1648: }
1649: #endif
1650: ie++;
1651: }
1652: }
1653:
1654: long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1655: long arg4, long arg5, long arg6)
1656: {
1657: long ret;
1658: struct stat st;
1.1.1.2 ! root 1659: struct statfs stfs;
1.1 root 1660:
1661: #ifdef DEBUG
1662: gemu_log("syscall %d", num);
1663: #endif
1664: switch(num) {
1665: case TARGET_NR_exit:
1666: #ifdef HAVE_GPROF
1667: _mcleanup();
1668: #endif
1669: gdb_exit(cpu_env, arg1);
1670: /* XXX: should free thread stack and CPU env */
1671: _exit(arg1);
1672: ret = 0; /* avoid warning */
1673: break;
1674: case TARGET_NR_read:
1675: page_unprotect_range((void *)arg2, arg3);
1676: ret = get_errno(read(arg1, (void *)arg2, arg3));
1677: break;
1678: case TARGET_NR_write:
1679: ret = get_errno(write(arg1, (void *)arg2, arg3));
1680: break;
1681: case TARGET_NR_open:
1682: ret = get_errno(open(path((const char *)arg1),
1683: target_to_host_bitmask(arg2, fcntl_flags_tbl),
1684: arg3));
1685: break;
1686: case TARGET_NR_close:
1687: ret = get_errno(close(arg1));
1688: break;
1689: case TARGET_NR_brk:
1690: ret = do_brk((char *)arg1);
1691: break;
1692: case TARGET_NR_fork:
1693: ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1694: break;
1695: case TARGET_NR_waitpid:
1696: {
1697: int *status = (int *)arg2;
1698: ret = get_errno(waitpid(arg1, status, arg3));
1699: if (!is_error(ret) && status)
1700: tswapls((long *)&status);
1701: }
1702: break;
1703: case TARGET_NR_creat:
1704: ret = get_errno(creat((const char *)arg1, arg2));
1705: break;
1706: case TARGET_NR_link:
1707: ret = get_errno(link((const char *)arg1, (const char *)arg2));
1708: break;
1709: case TARGET_NR_unlink:
1710: ret = get_errno(unlink((const char *)arg1));
1711: break;
1712: case TARGET_NR_execve:
1713: {
1714: char **argp, **envp;
1715: int argc, envc;
1716: uint32_t *p;
1717: char **q;
1718:
1719: argc = 0;
1720: for (p = (void *)arg2; *p; p++)
1721: argc++;
1722: envc = 0;
1723: for (p = (void *)arg3; *p; p++)
1724: envc++;
1725:
1726: argp = alloca((argc + 1) * sizeof(void *));
1727: envp = alloca((envc + 1) * sizeof(void *));
1728:
1729: for (p = (void *)arg2, q = argp; *p; p++, q++)
1730: *q = (void *)tswap32(*p);
1731: *q = NULL;
1732:
1733: for (p = (void *)arg3, q = envp; *p; p++, q++)
1734: *q = (void *)tswap32(*p);
1735: *q = NULL;
1736:
1737: ret = get_errno(execve((const char *)arg1, argp, envp));
1738: }
1739: break;
1740: case TARGET_NR_chdir:
1741: ret = get_errno(chdir((const char *)arg1));
1742: break;
1743: #ifdef TARGET_NR_time
1744: case TARGET_NR_time:
1745: {
1746: int *time_ptr = (int *)arg1;
1747: ret = get_errno(time((time_t *)time_ptr));
1748: if (!is_error(ret) && time_ptr)
1749: tswap32s(time_ptr);
1750: }
1751: break;
1752: #endif
1753: case TARGET_NR_mknod:
1754: ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1755: break;
1756: case TARGET_NR_chmod:
1757: ret = get_errno(chmod((const char *)arg1, arg2));
1758: break;
1759: #ifdef TARGET_NR_break
1760: case TARGET_NR_break:
1761: goto unimplemented;
1762: #endif
1763: #ifdef TARGET_NR_oldstat
1764: case TARGET_NR_oldstat:
1765: goto unimplemented;
1766: #endif
1767: case TARGET_NR_lseek:
1768: ret = get_errno(lseek(arg1, arg2, arg3));
1769: break;
1770: case TARGET_NR_getpid:
1771: ret = get_errno(getpid());
1772: break;
1773: case TARGET_NR_mount:
1774: /* need to look at the data field */
1775: goto unimplemented;
1776: case TARGET_NR_umount:
1777: ret = get_errno(umount((const char *)arg1));
1778: break;
1779: case TARGET_NR_stime:
1780: {
1781: int *time_ptr = (int *)arg1;
1782: if (time_ptr)
1783: tswap32s(time_ptr);
1784: ret = get_errno(stime((time_t *)time_ptr));
1785: }
1786: break;
1787: case TARGET_NR_ptrace:
1788: goto unimplemented;
1789: case TARGET_NR_alarm:
1790: ret = alarm(arg1);
1791: break;
1792: #ifdef TARGET_NR_oldfstat
1793: case TARGET_NR_oldfstat:
1794: goto unimplemented;
1795: #endif
1796: case TARGET_NR_pause:
1797: ret = get_errno(pause());
1798: break;
1799: case TARGET_NR_utime:
1800: {
1801: struct utimbuf tbuf, *tbuf1;
1802: struct target_utimbuf *target_tbuf = (void *)arg2;
1803: if (target_tbuf) {
1804: get_user(tbuf.actime, &target_tbuf->actime);
1805: get_user(tbuf.modtime, &target_tbuf->modtime);
1806: tbuf1 = &tbuf;
1807: } else {
1808: tbuf1 = NULL;
1809: }
1810: ret = get_errno(utime((const char *)arg1, tbuf1));
1811: }
1812: break;
1813: case TARGET_NR_utimes:
1814: {
1815: struct target_timeval *target_tvp = (struct target_timeval *)arg2;
1816: struct timeval *tvp, tv[2];
1817: if (target_tvp) {
1818: target_to_host_timeval(&tv[0], &target_tvp[0]);
1819: target_to_host_timeval(&tv[1], &target_tvp[1]);
1820: tvp = tv;
1821: } else {
1822: tvp = NULL;
1823: }
1824: ret = get_errno(utimes((const char *)arg1, tvp));
1825: }
1826: break;
1827: #ifdef TARGET_NR_stty
1828: case TARGET_NR_stty:
1829: goto unimplemented;
1830: #endif
1831: #ifdef TARGET_NR_gtty
1832: case TARGET_NR_gtty:
1833: goto unimplemented;
1834: #endif
1835: case TARGET_NR_access:
1836: ret = get_errno(access((const char *)arg1, arg2));
1837: break;
1838: case TARGET_NR_nice:
1839: ret = get_errno(nice(arg1));
1840: break;
1841: #ifdef TARGET_NR_ftime
1842: case TARGET_NR_ftime:
1843: goto unimplemented;
1844: #endif
1845: case TARGET_NR_sync:
1846: sync();
1847: ret = 0;
1848: break;
1849: case TARGET_NR_kill:
1850: ret = get_errno(kill(arg1, arg2));
1851: break;
1852: case TARGET_NR_rename:
1853: ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1854: break;
1855: case TARGET_NR_mkdir:
1856: ret = get_errno(mkdir((const char *)arg1, arg2));
1857: break;
1858: case TARGET_NR_rmdir:
1859: ret = get_errno(rmdir((const char *)arg1));
1860: break;
1861: case TARGET_NR_dup:
1862: ret = get_errno(dup(arg1));
1863: break;
1864: case TARGET_NR_pipe:
1865: {
1866: int *pipe_ptr = (int *)arg1;
1867: ret = get_errno(pipe(pipe_ptr));
1868: if (!is_error(ret)) {
1869: tswap32s(&pipe_ptr[0]);
1870: tswap32s(&pipe_ptr[1]);
1871: }
1872: }
1873: break;
1874: case TARGET_NR_times:
1875: {
1876: struct target_tms *tmsp = (void *)arg1;
1877: struct tms tms;
1878: ret = get_errno(times(&tms));
1879: if (tmsp) {
1880: tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
1881: tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
1882: tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
1883: tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
1884: }
1885: if (!is_error(ret))
1886: ret = host_to_target_clock_t(ret);
1887: }
1888: break;
1889: #ifdef TARGET_NR_prof
1890: case TARGET_NR_prof:
1891: goto unimplemented;
1892: #endif
1893: case TARGET_NR_signal:
1894: goto unimplemented;
1895:
1896: case TARGET_NR_acct:
1897: goto unimplemented;
1898: case TARGET_NR_umount2:
1899: ret = get_errno(umount2((const char *)arg1, arg2));
1900: break;
1901: #ifdef TARGET_NR_lock
1902: case TARGET_NR_lock:
1903: goto unimplemented;
1904: #endif
1905: case TARGET_NR_ioctl:
1906: ret = do_ioctl(arg1, arg2, arg3);
1907: break;
1908: case TARGET_NR_fcntl:
1909: ret = get_errno(do_fcntl(arg1, arg2, arg3));
1910: break;
1911: #ifdef TARGET_NR_mpx
1912: case TARGET_NR_mpx:
1913: goto unimplemented;
1914: #endif
1915: case TARGET_NR_setpgid:
1916: ret = get_errno(setpgid(arg1, arg2));
1917: break;
1918: #ifdef TARGET_NR_ulimit
1919: case TARGET_NR_ulimit:
1920: goto unimplemented;
1921: #endif
1922: #ifdef TARGET_NR_oldolduname
1923: case TARGET_NR_oldolduname:
1924: goto unimplemented;
1925: #endif
1926: case TARGET_NR_umask:
1927: ret = get_errno(umask(arg1));
1928: break;
1929: case TARGET_NR_chroot:
1930: ret = get_errno(chroot((const char *)arg1));
1931: break;
1932: case TARGET_NR_ustat:
1933: goto unimplemented;
1934: case TARGET_NR_dup2:
1935: ret = get_errno(dup2(arg1, arg2));
1936: break;
1937: case TARGET_NR_getppid:
1938: ret = get_errno(getppid());
1939: break;
1940: case TARGET_NR_getpgrp:
1941: ret = get_errno(getpgrp());
1942: break;
1943: case TARGET_NR_setsid:
1944: ret = get_errno(setsid());
1945: break;
1946: case TARGET_NR_sigaction:
1947: {
1948: struct target_old_sigaction *old_act = (void *)arg2;
1949: struct target_old_sigaction *old_oact = (void *)arg3;
1950: struct target_sigaction act, oact, *pact;
1951: if (old_act) {
1952: act._sa_handler = old_act->_sa_handler;
1953: target_siginitset(&act.sa_mask, old_act->sa_mask);
1954: act.sa_flags = old_act->sa_flags;
1955: act.sa_restorer = old_act->sa_restorer;
1956: pact = &act;
1957: } else {
1958: pact = NULL;
1959: }
1960: ret = get_errno(do_sigaction(arg1, pact, &oact));
1961: if (!is_error(ret) && old_oact) {
1962: old_oact->_sa_handler = oact._sa_handler;
1963: old_oact->sa_mask = oact.sa_mask.sig[0];
1964: old_oact->sa_flags = oact.sa_flags;
1965: old_oact->sa_restorer = oact.sa_restorer;
1966: }
1967: }
1968: break;
1969: case TARGET_NR_rt_sigaction:
1970: ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1971: break;
1972: case TARGET_NR_sgetmask:
1973: {
1974: sigset_t cur_set;
1975: target_ulong target_set;
1976: sigprocmask(0, NULL, &cur_set);
1977: host_to_target_old_sigset(&target_set, &cur_set);
1978: ret = target_set;
1979: }
1980: break;
1981: case TARGET_NR_ssetmask:
1982: {
1983: sigset_t set, oset, cur_set;
1984: target_ulong target_set = arg1;
1985: sigprocmask(0, NULL, &cur_set);
1986: target_to_host_old_sigset(&set, &target_set);
1987: sigorset(&set, &set, &cur_set);
1988: sigprocmask(SIG_SETMASK, &set, &oset);
1989: host_to_target_old_sigset(&target_set, &oset);
1990: ret = target_set;
1991: }
1992: break;
1993: case TARGET_NR_sigprocmask:
1994: {
1995: int how = arg1;
1996: sigset_t set, oldset, *set_ptr;
1997: target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1998:
1999: if (pset) {
2000: switch(how) {
2001: case TARGET_SIG_BLOCK:
2002: how = SIG_BLOCK;
2003: break;
2004: case TARGET_SIG_UNBLOCK:
2005: how = SIG_UNBLOCK;
2006: break;
2007: case TARGET_SIG_SETMASK:
2008: how = SIG_SETMASK;
2009: break;
2010: default:
2011: ret = -EINVAL;
2012: goto fail;
2013: }
2014: target_to_host_old_sigset(&set, pset);
2015: set_ptr = &set;
2016: } else {
2017: how = 0;
2018: set_ptr = NULL;
2019: }
2020: ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
2021: if (!is_error(ret) && poldset) {
2022: host_to_target_old_sigset(poldset, &oldset);
2023: }
2024: }
2025: break;
2026: case TARGET_NR_rt_sigprocmask:
2027: {
2028: int how = arg1;
2029: sigset_t set, oldset, *set_ptr;
2030: target_sigset_t *pset = (void *)arg2;
2031: target_sigset_t *poldset = (void *)arg3;
2032:
2033: if (pset) {
2034: switch(how) {
2035: case TARGET_SIG_BLOCK:
2036: how = SIG_BLOCK;
2037: break;
2038: case TARGET_SIG_UNBLOCK:
2039: how = SIG_UNBLOCK;
2040: break;
2041: case TARGET_SIG_SETMASK:
2042: how = SIG_SETMASK;
2043: break;
2044: default:
2045: ret = -EINVAL;
2046: goto fail;
2047: }
2048: target_to_host_sigset(&set, pset);
2049: set_ptr = &set;
2050: } else {
2051: how = 0;
2052: set_ptr = NULL;
2053: }
2054: ret = get_errno(sigprocmask(how, set_ptr, &oldset));
2055: if (!is_error(ret) && poldset) {
2056: host_to_target_sigset(poldset, &oldset);
2057: }
2058: }
2059: break;
2060: case TARGET_NR_sigpending:
2061: {
2062: sigset_t set;
2063: ret = get_errno(sigpending(&set));
2064: if (!is_error(ret)) {
2065: host_to_target_old_sigset((target_ulong *)arg1, &set);
2066: }
2067: }
2068: break;
2069: case TARGET_NR_rt_sigpending:
2070: {
2071: sigset_t set;
2072: ret = get_errno(sigpending(&set));
2073: if (!is_error(ret)) {
2074: host_to_target_sigset((target_sigset_t *)arg1, &set);
2075: }
2076: }
2077: break;
2078: case TARGET_NR_sigsuspend:
2079: {
2080: sigset_t set;
2081: target_to_host_old_sigset(&set, (target_ulong *)arg1);
2082: ret = get_errno(sigsuspend(&set));
2083: }
2084: break;
2085: case TARGET_NR_rt_sigsuspend:
2086: {
2087: sigset_t set;
2088: target_to_host_sigset(&set, (target_sigset_t *)arg1);
2089: ret = get_errno(sigsuspend(&set));
2090: }
2091: break;
2092: case TARGET_NR_rt_sigtimedwait:
2093: {
2094: target_sigset_t *target_set = (void *)arg1;
2095: target_siginfo_t *target_uinfo = (void *)arg2;
2096: struct target_timespec *target_uts = (void *)arg3;
2097: sigset_t set;
2098: struct timespec uts, *puts;
2099: siginfo_t uinfo;
2100:
2101: target_to_host_sigset(&set, target_set);
2102: if (target_uts) {
2103: puts = &uts;
2104: puts->tv_sec = tswapl(target_uts->tv_sec);
2105: puts->tv_nsec = tswapl(target_uts->tv_nsec);
2106: } else {
2107: puts = NULL;
2108: }
2109: ret = get_errno(sigtimedwait(&set, &uinfo, puts));
2110: if (!is_error(ret) && target_uinfo) {
2111: host_to_target_siginfo(target_uinfo, &uinfo);
2112: }
2113: }
2114: break;
2115: case TARGET_NR_rt_sigqueueinfo:
2116: {
2117: siginfo_t uinfo;
2118: target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
2119: ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2120: }
2121: break;
2122: case TARGET_NR_sigreturn:
2123: /* NOTE: ret is eax, so not transcoding must be done */
2124: ret = do_sigreturn(cpu_env);
2125: break;
2126: case TARGET_NR_rt_sigreturn:
2127: /* NOTE: ret is eax, so not transcoding must be done */
2128: ret = do_rt_sigreturn(cpu_env);
2129: break;
2130: case TARGET_NR_sethostname:
2131: ret = get_errno(sethostname((const char *)arg1, arg2));
2132: break;
2133: case TARGET_NR_setrlimit:
2134: {
2135: /* XXX: convert resource ? */
2136: int resource = arg1;
2137: struct target_rlimit *target_rlim = (void *)arg2;
2138: struct rlimit rlim;
2139: rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2140: rlim.rlim_max = tswapl(target_rlim->rlim_max);
2141: ret = get_errno(setrlimit(resource, &rlim));
2142: }
2143: break;
2144: case TARGET_NR_getrlimit:
2145: {
2146: /* XXX: convert resource ? */
2147: int resource = arg1;
2148: struct target_rlimit *target_rlim = (void *)arg2;
2149: struct rlimit rlim;
2150:
2151: ret = get_errno(getrlimit(resource, &rlim));
2152: if (!is_error(ret)) {
2153: target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2154: target_rlim->rlim_max = tswapl(rlim.rlim_max);
2155: }
2156: }
2157: break;
2158: case TARGET_NR_getrusage:
2159: {
2160: struct rusage rusage;
2161: struct target_rusage *target_rusage = (void *)arg2;
2162: ret = get_errno(getrusage(arg1, &rusage));
2163: if (!is_error(ret)) {
2164: host_to_target_rusage(target_rusage, &rusage);
2165: }
2166: }
2167: break;
2168: case TARGET_NR_gettimeofday:
2169: {
2170: struct target_timeval *target_tv = (void *)arg1;
2171: struct timeval tv;
2172: ret = get_errno(gettimeofday(&tv, NULL));
2173: if (!is_error(ret)) {
2174: host_to_target_timeval(target_tv, &tv);
2175: }
2176: }
2177: break;
2178: case TARGET_NR_settimeofday:
2179: {
2180: struct target_timeval *target_tv = (void *)arg1;
2181: struct timeval tv;
2182: target_to_host_timeval(&tv, target_tv);
2183: ret = get_errno(settimeofday(&tv, NULL));
2184: }
2185: break;
1.1.1.2 ! root 2186: #ifdef TARGET_NR_select
1.1 root 2187: case TARGET_NR_select:
2188: {
2189: struct target_sel_arg_struct *sel = (void *)arg1;
2190: sel->n = tswapl(sel->n);
2191: sel->inp = tswapl(sel->inp);
2192: sel->outp = tswapl(sel->outp);
2193: sel->exp = tswapl(sel->exp);
2194: sel->tvp = tswapl(sel->tvp);
2195: ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp,
2196: (void *)sel->exp, (void *)sel->tvp);
2197: }
2198: break;
1.1.1.2 ! root 2199: #endif
1.1 root 2200: case TARGET_NR_symlink:
2201: ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
2202: break;
2203: #ifdef TARGET_NR_oldlstat
2204: case TARGET_NR_oldlstat:
2205: goto unimplemented;
2206: #endif
2207: case TARGET_NR_readlink:
2208: ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
2209: break;
2210: case TARGET_NR_uselib:
2211: goto unimplemented;
2212: case TARGET_NR_swapon:
2213: ret = get_errno(swapon((const char *)arg1, arg2));
2214: break;
2215: case TARGET_NR_reboot:
2216: goto unimplemented;
2217: case TARGET_NR_readdir:
2218: goto unimplemented;
2219: case TARGET_NR_mmap:
2220: #if defined(TARGET_I386) || defined(TARGET_ARM)
2221: {
2222: uint32_t v1, v2, v3, v4, v5, v6, *vptr;
2223: vptr = (uint32_t *)arg1;
2224: v1 = tswap32(vptr[0]);
2225: v2 = tswap32(vptr[1]);
2226: v3 = tswap32(vptr[2]);
2227: v4 = tswap32(vptr[3]);
2228: v5 = tswap32(vptr[4]);
2229: v6 = tswap32(vptr[5]);
2230: ret = get_errno(target_mmap(v1, v2, v3,
2231: target_to_host_bitmask(v4, mmap_flags_tbl),
2232: v5, v6));
2233: }
2234: #else
2235: ret = get_errno(target_mmap(arg1, arg2, arg3,
2236: target_to_host_bitmask(arg4, mmap_flags_tbl),
2237: arg5,
2238: arg6));
2239: #endif
2240: break;
2241: #ifdef TARGET_NR_mmap2
2242: case TARGET_NR_mmap2:
2243: #if defined(TARGET_SPARC)
2244: #define MMAP_SHIFT 12
2245: #else
2246: #define MMAP_SHIFT TARGET_PAGE_BITS
2247: #endif
2248: ret = get_errno(target_mmap(arg1, arg2, arg3,
2249: target_to_host_bitmask(arg4, mmap_flags_tbl),
2250: arg5,
2251: arg6 << MMAP_SHIFT));
2252: break;
2253: #endif
2254: case TARGET_NR_munmap:
2255: ret = get_errno(target_munmap(arg1, arg2));
2256: break;
2257: case TARGET_NR_mprotect:
2258: ret = get_errno(target_mprotect(arg1, arg2, arg3));
2259: break;
2260: case TARGET_NR_mremap:
2261: ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2262: break;
2263: case TARGET_NR_msync:
2264: ret = get_errno(msync((void *)arg1, arg2, arg3));
2265: break;
2266: case TARGET_NR_mlock:
2267: ret = get_errno(mlock((void *)arg1, arg2));
2268: break;
2269: case TARGET_NR_munlock:
2270: ret = get_errno(munlock((void *)arg1, arg2));
2271: break;
2272: case TARGET_NR_mlockall:
2273: ret = get_errno(mlockall(arg1));
2274: break;
2275: case TARGET_NR_munlockall:
2276: ret = get_errno(munlockall());
2277: break;
2278: case TARGET_NR_truncate:
2279: ret = get_errno(truncate((const char *)arg1, arg2));
2280: break;
2281: case TARGET_NR_ftruncate:
2282: ret = get_errno(ftruncate(arg1, arg2));
2283: break;
2284: case TARGET_NR_fchmod:
2285: ret = get_errno(fchmod(arg1, arg2));
2286: break;
2287: case TARGET_NR_getpriority:
2288: ret = get_errno(getpriority(arg1, arg2));
2289: break;
2290: case TARGET_NR_setpriority:
2291: ret = get_errno(setpriority(arg1, arg2, arg3));
2292: break;
2293: #ifdef TARGET_NR_profil
2294: case TARGET_NR_profil:
2295: goto unimplemented;
2296: #endif
2297: case TARGET_NR_statfs:
1.1.1.2 ! root 2298: ret = get_errno(statfs(path((const char *)arg1), &stfs));
1.1 root 2299: convert_statfs:
2300: if (!is_error(ret)) {
1.1.1.2 ! root 2301: struct target_statfs *target_stfs = (void *)arg2;
! 2302:
! 2303: put_user(stfs.f_type, &target_stfs->f_type);
! 2304: put_user(stfs.f_bsize, &target_stfs->f_bsize);
! 2305: put_user(stfs.f_blocks, &target_stfs->f_blocks);
! 2306: put_user(stfs.f_bfree, &target_stfs->f_bfree);
! 2307: put_user(stfs.f_bavail, &target_stfs->f_bavail);
! 2308: put_user(stfs.f_files, &target_stfs->f_files);
! 2309: put_user(stfs.f_ffree, &target_stfs->f_ffree);
! 2310: put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
! 2311: put_user(stfs.f_namelen, &target_stfs->f_namelen);
1.1 root 2312: }
2313: break;
2314: case TARGET_NR_fstatfs:
1.1.1.2 ! root 2315: ret = get_errno(fstatfs(arg1, &stfs));
1.1 root 2316: goto convert_statfs;
1.1.1.2 ! root 2317: #ifdef TARGET_NR_statfs64
! 2318: case TARGET_NR_statfs64:
! 2319: ret = get_errno(statfs(path((const char *)arg1), &stfs));
! 2320: convert_statfs64:
! 2321: if (!is_error(ret)) {
! 2322: struct target_statfs64 *target_stfs = (void *)arg3;
! 2323:
! 2324: put_user(stfs.f_type, &target_stfs->f_type);
! 2325: put_user(stfs.f_bsize, &target_stfs->f_bsize);
! 2326: put_user(stfs.f_blocks, &target_stfs->f_blocks);
! 2327: put_user(stfs.f_bfree, &target_stfs->f_bfree);
! 2328: put_user(stfs.f_bavail, &target_stfs->f_bavail);
! 2329: put_user(stfs.f_files, &target_stfs->f_files);
! 2330: put_user(stfs.f_ffree, &target_stfs->f_ffree);
! 2331: put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
! 2332: put_user(stfs.f_namelen, &target_stfs->f_namelen);
! 2333: }
! 2334: break;
! 2335: case TARGET_NR_fstatfs64:
! 2336: ret = get_errno(fstatfs(arg1, &stfs));
! 2337: goto convert_statfs64;
! 2338: #endif
1.1 root 2339: #ifdef TARGET_NR_ioperm
2340: case TARGET_NR_ioperm:
2341: goto unimplemented;
2342: #endif
2343: case TARGET_NR_socketcall:
2344: ret = do_socketcall(arg1, (int32_t *)arg2);
2345: break;
2346: case TARGET_NR_syslog:
2347: goto unimplemented;
2348: case TARGET_NR_setitimer:
2349: {
2350: struct target_itimerval *target_value = (void *)arg2;
2351: struct target_itimerval *target_ovalue = (void *)arg3;
2352: struct itimerval value, ovalue, *pvalue;
2353:
2354: if (target_value) {
2355: pvalue = &value;
2356: target_to_host_timeval(&pvalue->it_interval,
2357: &target_value->it_interval);
2358: target_to_host_timeval(&pvalue->it_value,
2359: &target_value->it_value);
2360: } else {
2361: pvalue = NULL;
2362: }
2363: ret = get_errno(setitimer(arg1, pvalue, &ovalue));
2364: if (!is_error(ret) && target_ovalue) {
2365: host_to_target_timeval(&target_ovalue->it_interval,
2366: &ovalue.it_interval);
2367: host_to_target_timeval(&target_ovalue->it_value,
2368: &ovalue.it_value);
2369: }
2370: }
2371: break;
2372: case TARGET_NR_getitimer:
2373: {
2374: struct target_itimerval *target_value = (void *)arg2;
2375: struct itimerval value;
2376:
2377: ret = get_errno(getitimer(arg1, &value));
2378: if (!is_error(ret) && target_value) {
2379: host_to_target_timeval(&target_value->it_interval,
2380: &value.it_interval);
2381: host_to_target_timeval(&target_value->it_value,
2382: &value.it_value);
2383: }
2384: }
2385: break;
2386: case TARGET_NR_stat:
2387: ret = get_errno(stat(path((const char *)arg1), &st));
2388: goto do_stat;
2389: case TARGET_NR_lstat:
2390: ret = get_errno(lstat(path((const char *)arg1), &st));
2391: goto do_stat;
2392: case TARGET_NR_fstat:
2393: {
2394: ret = get_errno(fstat(arg1, &st));
2395: do_stat:
2396: if (!is_error(ret)) {
2397: struct target_stat *target_st = (void *)arg2;
2398: target_st->st_dev = tswap16(st.st_dev);
2399: target_st->st_ino = tswapl(st.st_ino);
2400: #if defined(TARGET_PPC)
2401: target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
2402: target_st->st_uid = tswap32(st.st_uid);
2403: target_st->st_gid = tswap32(st.st_gid);
2404: #else
2405: target_st->st_mode = tswap16(st.st_mode);
2406: target_st->st_uid = tswap16(st.st_uid);
2407: target_st->st_gid = tswap16(st.st_gid);
2408: #endif
2409: target_st->st_nlink = tswap16(st.st_nlink);
2410: target_st->st_rdev = tswap16(st.st_rdev);
2411: target_st->st_size = tswapl(st.st_size);
2412: target_st->st_blksize = tswapl(st.st_blksize);
2413: target_st->st_blocks = tswapl(st.st_blocks);
2414: target_st->target_st_atime = tswapl(st.st_atime);
2415: target_st->target_st_mtime = tswapl(st.st_mtime);
2416: target_st->target_st_ctime = tswapl(st.st_ctime);
2417: }
2418: }
2419: break;
2420: #ifdef TARGET_NR_olduname
2421: case TARGET_NR_olduname:
2422: goto unimplemented;
2423: #endif
2424: #ifdef TARGET_NR_iopl
2425: case TARGET_NR_iopl:
2426: goto unimplemented;
2427: #endif
2428: case TARGET_NR_vhangup:
2429: ret = get_errno(vhangup());
2430: break;
2431: #ifdef TARGET_NR_idle
2432: case TARGET_NR_idle:
2433: goto unimplemented;
2434: #endif
2435: #ifdef TARGET_NR_syscall
2436: case TARGET_NR_syscall:
2437: ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
2438: break;
2439: #endif
2440: case TARGET_NR_wait4:
2441: {
2442: int status;
2443: target_long *status_ptr = (void *)arg2;
2444: struct rusage rusage, *rusage_ptr;
2445: struct target_rusage *target_rusage = (void *)arg4;
2446: if (target_rusage)
2447: rusage_ptr = &rusage;
2448: else
2449: rusage_ptr = NULL;
2450: ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
2451: if (!is_error(ret)) {
2452: if (status_ptr)
2453: *status_ptr = tswap32(status);
2454: if (target_rusage) {
2455: host_to_target_rusage(target_rusage, &rusage);
2456: }
2457: }
2458: }
2459: break;
2460: case TARGET_NR_swapoff:
2461: ret = get_errno(swapoff((const char *)arg1));
2462: break;
2463: case TARGET_NR_sysinfo:
2464: {
2465: struct target_sysinfo *target_value = (void *)arg1;
2466: struct sysinfo value;
2467: ret = get_errno(sysinfo(&value));
2468: if (!is_error(ret) && target_value)
2469: {
2470: __put_user(value.uptime, &target_value->uptime);
2471: __put_user(value.loads[0], &target_value->loads[0]);
2472: __put_user(value.loads[1], &target_value->loads[1]);
2473: __put_user(value.loads[2], &target_value->loads[2]);
2474: __put_user(value.totalram, &target_value->totalram);
2475: __put_user(value.freeram, &target_value->freeram);
2476: __put_user(value.sharedram, &target_value->sharedram);
2477: __put_user(value.bufferram, &target_value->bufferram);
2478: __put_user(value.totalswap, &target_value->totalswap);
2479: __put_user(value.freeswap, &target_value->freeswap);
2480: __put_user(value.procs, &target_value->procs);
2481: __put_user(value.totalhigh, &target_value->totalhigh);
2482: __put_user(value.freehigh, &target_value->freehigh);
2483: __put_user(value.mem_unit, &target_value->mem_unit);
2484: }
2485: }
2486: break;
2487: case TARGET_NR_ipc:
2488: ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
2489: break;
2490: case TARGET_NR_fsync:
2491: ret = get_errno(fsync(arg1));
2492: break;
2493: case TARGET_NR_clone:
2494: ret = get_errno(do_fork(cpu_env, arg1, arg2));
2495: break;
2496: #ifdef __NR_exit_group
2497: /* new thread calls */
2498: case TARGET_NR_exit_group:
2499: gdb_exit(cpu_env, arg1);
2500: ret = get_errno(exit_group(arg1));
2501: break;
2502: #endif
2503: case TARGET_NR_setdomainname:
2504: ret = get_errno(setdomainname((const char *)arg1, arg2));
2505: break;
2506: case TARGET_NR_uname:
2507: /* no need to transcode because we use the linux syscall */
2508: {
2509: struct new_utsname * buf;
2510:
2511: buf = (struct new_utsname *)arg1;
2512: ret = get_errno(sys_uname(buf));
2513: if (!is_error(ret)) {
2514: /* Overrite the native machine name with whatever is being
2515: emulated. */
2516: strcpy (buf->machine, UNAME_MACHINE);
2517: }
2518: }
2519: break;
2520: #ifdef TARGET_I386
2521: case TARGET_NR_modify_ldt:
2522: ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
2523: break;
2524: case TARGET_NR_vm86old:
2525: goto unimplemented;
2526: case TARGET_NR_vm86:
2527: ret = do_vm86(cpu_env, arg1, (void *)arg2);
2528: break;
2529: #endif
2530: case TARGET_NR_adjtimex:
2531: goto unimplemented;
2532: case TARGET_NR_create_module:
2533: case TARGET_NR_init_module:
2534: case TARGET_NR_delete_module:
2535: case TARGET_NR_get_kernel_syms:
2536: goto unimplemented;
2537: case TARGET_NR_quotactl:
2538: goto unimplemented;
2539: case TARGET_NR_getpgid:
2540: ret = get_errno(getpgid(arg1));
2541: break;
2542: case TARGET_NR_fchdir:
2543: ret = get_errno(fchdir(arg1));
2544: break;
2545: case TARGET_NR_bdflush:
2546: goto unimplemented;
2547: case TARGET_NR_sysfs:
2548: goto unimplemented;
2549: case TARGET_NR_personality:
2550: ret = get_errno(personality(arg1));
2551: break;
2552: case TARGET_NR_afs_syscall:
2553: goto unimplemented;
2554: case TARGET_NR__llseek:
2555: {
2556: #if defined (__x86_64__)
2557: ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2558: *(int64_t *)arg4 = ret;
2559: #else
2560: int64_t res;
2561: ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2562: *(int64_t *)arg4 = tswap64(res);
2563: #endif
2564: }
2565: break;
2566: case TARGET_NR_getdents:
2567: #if TARGET_LONG_SIZE != 4
2568: #warning not supported
2569: #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
2570: {
2571: struct target_dirent *target_dirp = (void *)arg2;
2572: struct dirent *dirp;
2573: long count = arg3;
2574:
2575: dirp = malloc(count);
2576: if (!dirp)
2577: return -ENOMEM;
2578:
2579: ret = get_errno(sys_getdents(arg1, dirp, count));
2580: if (!is_error(ret)) {
2581: struct dirent *de;
2582: struct target_dirent *tde;
2583: int len = ret;
2584: int reclen, treclen;
2585: int count1, tnamelen;
2586:
2587: count1 = 0;
2588: de = dirp;
2589: tde = target_dirp;
2590: while (len > 0) {
2591: reclen = de->d_reclen;
2592: treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
2593: tde->d_reclen = tswap16(treclen);
2594: tde->d_ino = tswapl(de->d_ino);
2595: tde->d_off = tswapl(de->d_off);
2596: tnamelen = treclen - (2 * sizeof(target_long) + 2);
2597: if (tnamelen > 256)
2598: tnamelen = 256;
2599: /* XXX: may not be correct */
2600: strncpy(tde->d_name, de->d_name, tnamelen);
2601: de = (struct dirent *)((char *)de + reclen);
2602: len -= reclen;
2603: tde = (struct dirent *)((char *)tde + treclen);
2604: count1 += treclen;
2605: }
2606: ret = count1;
2607: }
2608: free(dirp);
2609: }
2610: #else
2611: {
2612: struct dirent *dirp = (void *)arg2;
2613: long count = arg3;
2614:
2615: ret = get_errno(sys_getdents(arg1, dirp, count));
2616: if (!is_error(ret)) {
2617: struct dirent *de;
2618: int len = ret;
2619: int reclen;
2620: de = dirp;
2621: while (len > 0) {
2622: reclen = de->d_reclen;
2623: if (reclen > len)
2624: break;
2625: de->d_reclen = tswap16(reclen);
2626: tswapls(&de->d_ino);
2627: tswapls(&de->d_off);
2628: de = (struct dirent *)((char *)de + reclen);
2629: len -= reclen;
2630: }
2631: }
2632: }
2633: #endif
2634: break;
2635: #ifdef TARGET_NR_getdents64
2636: case TARGET_NR_getdents64:
2637: {
2638: struct dirent64 *dirp = (void *)arg2;
2639: long count = arg3;
2640: ret = get_errno(sys_getdents64(arg1, dirp, count));
2641: if (!is_error(ret)) {
2642: struct dirent64 *de;
2643: int len = ret;
2644: int reclen;
2645: de = dirp;
2646: while (len > 0) {
2647: reclen = de->d_reclen;
2648: if (reclen > len)
2649: break;
2650: de->d_reclen = tswap16(reclen);
2651: tswap64s(&de->d_ino);
2652: tswap64s(&de->d_off);
2653: de = (struct dirent64 *)((char *)de + reclen);
2654: len -= reclen;
2655: }
2656: }
2657: }
2658: break;
2659: #endif /* TARGET_NR_getdents64 */
2660: case TARGET_NR__newselect:
2661: ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
2662: (void *)arg5);
2663: break;
2664: case TARGET_NR_poll:
2665: {
2666: struct target_pollfd *target_pfd = (void *)arg1;
2667: unsigned int nfds = arg2;
2668: int timeout = arg3;
2669: struct pollfd *pfd;
2670: unsigned int i;
2671:
2672: pfd = alloca(sizeof(struct pollfd) * nfds);
2673: for(i = 0; i < nfds; i++) {
2674: pfd[i].fd = tswap32(target_pfd[i].fd);
2675: pfd[i].events = tswap16(target_pfd[i].events);
2676: }
2677: ret = get_errno(poll(pfd, nfds, timeout));
2678: if (!is_error(ret)) {
2679: for(i = 0; i < nfds; i++) {
2680: target_pfd[i].revents = tswap16(pfd[i].revents);
2681: }
2682: }
2683: }
2684: break;
2685: case TARGET_NR_flock:
2686: /* NOTE: the flock constant seems to be the same for every
2687: Linux platform */
2688: ret = get_errno(flock(arg1, arg2));
2689: break;
2690: case TARGET_NR_readv:
2691: {
2692: int count = arg3;
2693: int i;
2694: struct iovec *vec;
2695: struct target_iovec *target_vec = (void *)arg2;
2696:
2697: vec = alloca(count * sizeof(struct iovec));
2698: for(i = 0;i < count; i++) {
2699: vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2700: vec[i].iov_len = tswapl(target_vec[i].iov_len);
2701: }
2702: ret = get_errno(readv(arg1, vec, count));
2703: }
2704: break;
2705: case TARGET_NR_writev:
2706: {
2707: int count = arg3;
2708: int i;
2709: struct iovec *vec;
2710: struct target_iovec *target_vec = (void *)arg2;
2711:
2712: vec = alloca(count * sizeof(struct iovec));
2713: for(i = 0;i < count; i++) {
2714: vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2715: vec[i].iov_len = tswapl(target_vec[i].iov_len);
2716: }
2717: ret = get_errno(writev(arg1, vec, count));
2718: }
2719: break;
2720: case TARGET_NR_getsid:
2721: ret = get_errno(getsid(arg1));
2722: break;
2723: case TARGET_NR_fdatasync:
2724: ret = get_errno(fdatasync(arg1));
2725: break;
2726: case TARGET_NR__sysctl:
2727: /* We don't implement this, but ENODIR is always a safe
2728: return value. */
2729: return -ENOTDIR;
2730: case TARGET_NR_sched_setparam:
2731: {
2732: struct sched_param *target_schp = (void *)arg2;
2733: struct sched_param schp;
2734: schp.sched_priority = tswap32(target_schp->sched_priority);
2735: ret = get_errno(sched_setparam(arg1, &schp));
2736: }
2737: break;
2738: case TARGET_NR_sched_getparam:
2739: {
2740: struct sched_param *target_schp = (void *)arg2;
2741: struct sched_param schp;
2742: ret = get_errno(sched_getparam(arg1, &schp));
2743: if (!is_error(ret)) {
2744: target_schp->sched_priority = tswap32(schp.sched_priority);
2745: }
2746: }
2747: break;
2748: case TARGET_NR_sched_setscheduler:
2749: {
2750: struct sched_param *target_schp = (void *)arg3;
2751: struct sched_param schp;
2752: schp.sched_priority = tswap32(target_schp->sched_priority);
2753: ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2754: }
2755: break;
2756: case TARGET_NR_sched_getscheduler:
2757: ret = get_errno(sched_getscheduler(arg1));
2758: break;
2759: case TARGET_NR_sched_yield:
2760: ret = get_errno(sched_yield());
2761: break;
2762: case TARGET_NR_sched_get_priority_max:
2763: ret = get_errno(sched_get_priority_max(arg1));
2764: break;
2765: case TARGET_NR_sched_get_priority_min:
2766: ret = get_errno(sched_get_priority_min(arg1));
2767: break;
2768: case TARGET_NR_sched_rr_get_interval:
2769: {
2770: struct target_timespec *target_ts = (void *)arg2;
2771: struct timespec ts;
2772: ret = get_errno(sched_rr_get_interval(arg1, &ts));
2773: if (!is_error(ret)) {
2774: target_ts->tv_sec = tswapl(ts.tv_sec);
2775: target_ts->tv_nsec = tswapl(ts.tv_nsec);
2776: }
2777: }
2778: break;
2779: case TARGET_NR_nanosleep:
2780: {
2781: struct target_timespec *target_req = (void *)arg1;
2782: struct target_timespec *target_rem = (void *)arg2;
2783: struct timespec req, rem;
2784: req.tv_sec = tswapl(target_req->tv_sec);
2785: req.tv_nsec = tswapl(target_req->tv_nsec);
2786: ret = get_errno(nanosleep(&req, &rem));
2787: if (is_error(ret) && target_rem) {
2788: target_rem->tv_sec = tswapl(rem.tv_sec);
2789: target_rem->tv_nsec = tswapl(rem.tv_nsec);
2790: }
2791: }
2792: break;
2793: case TARGET_NR_query_module:
2794: goto unimplemented;
2795: case TARGET_NR_nfsservctl:
2796: goto unimplemented;
2797: case TARGET_NR_prctl:
2798: goto unimplemented;
2799: #ifdef TARGET_NR_pread
2800: case TARGET_NR_pread:
2801: page_unprotect_range((void *)arg2, arg3);
2802: ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
2803: break;
2804: case TARGET_NR_pwrite:
2805: ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
2806: break;
2807: #endif
2808: case TARGET_NR_getcwd:
2809: ret = get_errno(sys_getcwd1((char *)arg1, arg2));
2810: break;
2811: case TARGET_NR_capget:
2812: goto unimplemented;
2813: case TARGET_NR_capset:
2814: goto unimplemented;
2815: case TARGET_NR_sigaltstack:
2816: goto unimplemented;
2817: case TARGET_NR_sendfile:
2818: goto unimplemented;
2819: #ifdef TARGET_NR_getpmsg
2820: case TARGET_NR_getpmsg:
2821: goto unimplemented;
2822: #endif
2823: #ifdef TARGET_NR_putpmsg
2824: case TARGET_NR_putpmsg:
2825: goto unimplemented;
2826: #endif
1.1.1.2 ! root 2827: #ifdef TARGET_NR_vfork
1.1 root 2828: case TARGET_NR_vfork:
2829: ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
2830: break;
1.1.1.2 ! root 2831: #endif
1.1 root 2832: #ifdef TARGET_NR_ugetrlimit
2833: case TARGET_NR_ugetrlimit:
2834: {
2835: struct rlimit rlim;
2836: ret = get_errno(getrlimit(arg1, &rlim));
2837: if (!is_error(ret)) {
2838: struct target_rlimit *target_rlim = (void *)arg2;
2839: target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2840: target_rlim->rlim_max = tswapl(rlim.rlim_max);
2841: }
2842: break;
2843: }
2844: #endif
2845: #ifdef TARGET_NR_truncate64
2846: case TARGET_NR_truncate64:
2847: ret = get_errno(truncate64((const char *)arg1, arg2));
2848: break;
2849: #endif
2850: #ifdef TARGET_NR_ftruncate64
2851: case TARGET_NR_ftruncate64:
2852: ret = get_errno(ftruncate64(arg1, arg2));
2853: break;
2854: #endif
2855: #ifdef TARGET_NR_stat64
2856: case TARGET_NR_stat64:
2857: ret = get_errno(stat(path((const char *)arg1), &st));
2858: goto do_stat64;
2859: #endif
2860: #ifdef TARGET_NR_lstat64
2861: case TARGET_NR_lstat64:
2862: ret = get_errno(lstat(path((const char *)arg1), &st));
2863: goto do_stat64;
2864: #endif
2865: #ifdef TARGET_NR_fstat64
2866: case TARGET_NR_fstat64:
2867: {
2868: ret = get_errno(fstat(arg1, &st));
2869: do_stat64:
2870: if (!is_error(ret)) {
2871: struct target_stat64 *target_st = (void *)arg2;
2872: memset(target_st, 0, sizeof(struct target_stat64));
2873: put_user(st.st_dev, &target_st->st_dev);
2874: put_user(st.st_ino, &target_st->st_ino);
2875: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
2876: put_user(st.st_ino, &target_st->__st_ino);
2877: #endif
2878: put_user(st.st_mode, &target_st->st_mode);
2879: put_user(st.st_nlink, &target_st->st_nlink);
2880: put_user(st.st_uid, &target_st->st_uid);
2881: put_user(st.st_gid, &target_st->st_gid);
2882: put_user(st.st_rdev, &target_st->st_rdev);
2883: /* XXX: better use of kernel struct */
2884: put_user(st.st_size, &target_st->st_size);
2885: put_user(st.st_blksize, &target_st->st_blksize);
2886: put_user(st.st_blocks, &target_st->st_blocks);
2887: put_user(st.st_atime, &target_st->target_st_atime);
2888: put_user(st.st_mtime, &target_st->target_st_mtime);
2889: put_user(st.st_ctime, &target_st->target_st_ctime);
2890: }
2891: }
2892: break;
2893: #endif
2894: #ifdef USE_UID16
2895: case TARGET_NR_lchown:
2896: ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
2897: break;
2898: case TARGET_NR_getuid:
2899: ret = get_errno(high2lowuid(getuid()));
2900: break;
2901: case TARGET_NR_getgid:
2902: ret = get_errno(high2lowgid(getgid()));
2903: break;
2904: case TARGET_NR_geteuid:
2905: ret = get_errno(high2lowuid(geteuid()));
2906: break;
2907: case TARGET_NR_getegid:
2908: ret = get_errno(high2lowgid(getegid()));
2909: break;
2910: case TARGET_NR_setreuid:
2911: ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
2912: break;
2913: case TARGET_NR_setregid:
2914: ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
2915: break;
2916: case TARGET_NR_getgroups:
2917: {
2918: int gidsetsize = arg1;
2919: uint16_t *target_grouplist = (void *)arg2;
2920: gid_t *grouplist;
2921: int i;
2922:
2923: grouplist = alloca(gidsetsize * sizeof(gid_t));
2924: ret = get_errno(getgroups(gidsetsize, grouplist));
2925: if (!is_error(ret)) {
2926: for(i = 0;i < gidsetsize; i++)
2927: target_grouplist[i] = tswap16(grouplist[i]);
2928: }
2929: }
2930: break;
2931: case TARGET_NR_setgroups:
2932: {
2933: int gidsetsize = arg1;
2934: uint16_t *target_grouplist = (void *)arg2;
2935: gid_t *grouplist;
2936: int i;
2937:
2938: grouplist = alloca(gidsetsize * sizeof(gid_t));
2939: for(i = 0;i < gidsetsize; i++)
2940: grouplist[i] = tswap16(target_grouplist[i]);
2941: ret = get_errno(setgroups(gidsetsize, grouplist));
2942: }
2943: break;
2944: case TARGET_NR_fchown:
2945: ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
2946: break;
2947: #ifdef TARGET_NR_setresuid
2948: case TARGET_NR_setresuid:
2949: ret = get_errno(setresuid(low2highuid(arg1),
2950: low2highuid(arg2),
2951: low2highuid(arg3)));
2952: break;
2953: #endif
2954: #ifdef TARGET_NR_getresuid
2955: case TARGET_NR_getresuid:
2956: {
2957: int ruid, euid, suid;
2958: ret = get_errno(getresuid(&ruid, &euid, &suid));
2959: if (!is_error(ret)) {
2960: *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2961: *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2962: *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2963: }
2964: }
2965: break;
2966: #endif
2967: #ifdef TARGET_NR_getresgid
2968: case TARGET_NR_setresgid:
2969: ret = get_errno(setresgid(low2highgid(arg1),
2970: low2highgid(arg2),
2971: low2highgid(arg3)));
2972: break;
2973: #endif
2974: #ifdef TARGET_NR_getresgid
2975: case TARGET_NR_getresgid:
2976: {
2977: int rgid, egid, sgid;
2978: ret = get_errno(getresgid(&rgid, &egid, &sgid));
2979: if (!is_error(ret)) {
2980: *(uint16_t *)arg1 = tswap16(high2lowgid(rgid));
2981: *(uint16_t *)arg2 = tswap16(high2lowgid(egid));
2982: *(uint16_t *)arg3 = tswap16(high2lowgid(sgid));
2983: }
2984: }
2985: break;
2986: #endif
2987: case TARGET_NR_chown:
2988: ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
2989: break;
2990: case TARGET_NR_setuid:
2991: ret = get_errno(setuid(low2highuid(arg1)));
2992: break;
2993: case TARGET_NR_setgid:
2994: ret = get_errno(setgid(low2highgid(arg1)));
2995: break;
2996: case TARGET_NR_setfsuid:
2997: ret = get_errno(setfsuid(arg1));
2998: break;
2999: case TARGET_NR_setfsgid:
3000: ret = get_errno(setfsgid(arg1));
3001: break;
3002: #endif /* USE_UID16 */
3003:
3004: #ifdef TARGET_NR_lchown32
3005: case TARGET_NR_lchown32:
3006: ret = get_errno(lchown((const char *)arg1, arg2, arg3));
3007: break;
3008: #endif
3009: #ifdef TARGET_NR_getuid32
3010: case TARGET_NR_getuid32:
3011: ret = get_errno(getuid());
3012: break;
3013: #endif
3014: #ifdef TARGET_NR_getgid32
3015: case TARGET_NR_getgid32:
3016: ret = get_errno(getgid());
3017: break;
3018: #endif
3019: #ifdef TARGET_NR_geteuid32
3020: case TARGET_NR_geteuid32:
3021: ret = get_errno(geteuid());
3022: break;
3023: #endif
3024: #ifdef TARGET_NR_getegid32
3025: case TARGET_NR_getegid32:
3026: ret = get_errno(getegid());
3027: break;
3028: #endif
3029: #ifdef TARGET_NR_setreuid32
3030: case TARGET_NR_setreuid32:
3031: ret = get_errno(setreuid(arg1, arg2));
3032: break;
3033: #endif
3034: #ifdef TARGET_NR_setregid32
3035: case TARGET_NR_setregid32:
3036: ret = get_errno(setregid(arg1, arg2));
3037: break;
3038: #endif
3039: #ifdef TARGET_NR_getgroups32
3040: case TARGET_NR_getgroups32:
3041: {
3042: int gidsetsize = arg1;
3043: uint32_t *target_grouplist = (void *)arg2;
3044: gid_t *grouplist;
3045: int i;
3046:
3047: grouplist = alloca(gidsetsize * sizeof(gid_t));
3048: ret = get_errno(getgroups(gidsetsize, grouplist));
3049: if (!is_error(ret)) {
3050: for(i = 0;i < gidsetsize; i++)
3051: put_user(grouplist[i], &target_grouplist[i]);
3052: }
3053: }
3054: break;
3055: #endif
3056: #ifdef TARGET_NR_setgroups32
3057: case TARGET_NR_setgroups32:
3058: {
3059: int gidsetsize = arg1;
3060: uint32_t *target_grouplist = (void *)arg2;
3061: gid_t *grouplist;
3062: int i;
3063:
3064: grouplist = alloca(gidsetsize * sizeof(gid_t));
3065: for(i = 0;i < gidsetsize; i++)
3066: get_user(grouplist[i], &target_grouplist[i]);
3067: ret = get_errno(setgroups(gidsetsize, grouplist));
3068: }
3069: break;
3070: #endif
3071: #ifdef TARGET_NR_fchown32
3072: case TARGET_NR_fchown32:
3073: ret = get_errno(fchown(arg1, arg2, arg3));
3074: break;
3075: #endif
3076: #ifdef TARGET_NR_setresuid32
3077: case TARGET_NR_setresuid32:
3078: ret = get_errno(setresuid(arg1, arg2, arg3));
3079: break;
3080: #endif
3081: #ifdef TARGET_NR_getresuid32
3082: case TARGET_NR_getresuid32:
3083: {
3084: int ruid, euid, suid;
3085: ret = get_errno(getresuid(&ruid, &euid, &suid));
3086: if (!is_error(ret)) {
3087: *(uint32_t *)arg1 = tswap32(ruid);
3088: *(uint32_t *)arg2 = tswap32(euid);
3089: *(uint32_t *)arg3 = tswap32(suid);
3090: }
3091: }
3092: break;
3093: #endif
3094: #ifdef TARGET_NR_setresgid32
3095: case TARGET_NR_setresgid32:
3096: ret = get_errno(setresgid(arg1, arg2, arg3));
3097: break;
3098: #endif
3099: #ifdef TARGET_NR_getresgid32
3100: case TARGET_NR_getresgid32:
3101: {
3102: int rgid, egid, sgid;
3103: ret = get_errno(getresgid(&rgid, &egid, &sgid));
3104: if (!is_error(ret)) {
3105: *(uint32_t *)arg1 = tswap32(rgid);
3106: *(uint32_t *)arg2 = tswap32(egid);
3107: *(uint32_t *)arg3 = tswap32(sgid);
3108: }
3109: }
3110: break;
3111: #endif
3112: #ifdef TARGET_NR_chown32
3113: case TARGET_NR_chown32:
3114: ret = get_errno(chown((const char *)arg1, arg2, arg3));
3115: break;
3116: #endif
3117: #ifdef TARGET_NR_setuid32
3118: case TARGET_NR_setuid32:
3119: ret = get_errno(setuid(arg1));
3120: break;
3121: #endif
3122: #ifdef TARGET_NR_setgid32
3123: case TARGET_NR_setgid32:
3124: ret = get_errno(setgid(arg1));
3125: break;
3126: #endif
3127: #ifdef TARGET_NR_setfsuid32
3128: case TARGET_NR_setfsuid32:
3129: ret = get_errno(setfsuid(arg1));
3130: break;
3131: #endif
3132: #ifdef TARGET_NR_setfsgid32
3133: case TARGET_NR_setfsgid32:
3134: ret = get_errno(setfsgid(arg1));
3135: break;
3136: #endif
3137:
3138: case TARGET_NR_pivot_root:
3139: goto unimplemented;
3140: #ifdef TARGET_NR_mincore
3141: case TARGET_NR_mincore:
3142: goto unimplemented;
3143: #endif
3144: #ifdef TARGET_NR_madvise
3145: case TARGET_NR_madvise:
3146: goto unimplemented;
3147: #endif
3148: #if TARGET_LONG_BITS == 32
3149: case TARGET_NR_fcntl64:
3150: {
3151: struct flock64 fl;
3152: struct target_flock64 *target_fl = (void *)arg3;
3153:
3154: switch(arg2) {
3155: case F_GETLK64:
3156: ret = get_errno(fcntl(arg1, arg2, &fl));
3157: if (ret == 0) {
3158: target_fl->l_type = tswap16(fl.l_type);
3159: target_fl->l_whence = tswap16(fl.l_whence);
3160: target_fl->l_start = tswap64(fl.l_start);
3161: target_fl->l_len = tswap64(fl.l_len);
3162: target_fl->l_pid = tswapl(fl.l_pid);
3163: }
3164: break;
3165:
3166: case F_SETLK64:
3167: case F_SETLKW64:
3168: fl.l_type = tswap16(target_fl->l_type);
3169: fl.l_whence = tswap16(target_fl->l_whence);
3170: fl.l_start = tswap64(target_fl->l_start);
3171: fl.l_len = tswap64(target_fl->l_len);
3172: fl.l_pid = tswapl(target_fl->l_pid);
3173: ret = get_errno(fcntl(arg1, arg2, &fl));
3174: break;
3175: default:
3176: ret = get_errno(do_fcntl(arg1, arg2, arg3));
3177: break;
3178: }
3179: break;
3180: }
3181: #endif
3182: #ifdef TARGET_NR_security
3183: case TARGET_NR_security:
3184: goto unimplemented;
3185: #endif
3186: #ifdef TARGET_NR_getpagesize
3187: case TARGET_NR_getpagesize:
3188: ret = TARGET_PAGE_SIZE;
3189: break;
3190: #endif
3191: case TARGET_NR_gettid:
3192: ret = get_errno(gettid());
3193: break;
3194: case TARGET_NR_readahead:
3195: goto unimplemented;
3196: #ifdef TARGET_NR_setxattr
3197: case TARGET_NR_setxattr:
3198: case TARGET_NR_lsetxattr:
3199: case TARGET_NR_fsetxattr:
3200: case TARGET_NR_getxattr:
3201: case TARGET_NR_lgetxattr:
3202: case TARGET_NR_fgetxattr:
3203: case TARGET_NR_listxattr:
3204: case TARGET_NR_llistxattr:
3205: case TARGET_NR_flistxattr:
3206: case TARGET_NR_removexattr:
3207: case TARGET_NR_lremovexattr:
3208: case TARGET_NR_fremovexattr:
3209: goto unimplemented_nowarn;
3210: #endif
3211: #ifdef TARGET_NR_set_thread_area
3212: case TARGET_NR_set_thread_area:
3213: case TARGET_NR_get_thread_area:
3214: goto unimplemented_nowarn;
3215: #endif
3216: default:
3217: unimplemented:
3218: gemu_log("qemu: Unsupported syscall: %d\n", num);
3219: #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area)
3220: unimplemented_nowarn:
3221: #endif
3222: ret = -ENOSYS;
3223: break;
3224: }
3225: fail:
3226: #ifdef DEBUG
3227: gemu_log(" = %ld\n", ret);
3228: #endif
3229: return ret;
3230: }
3231:
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