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