4 * Copyright (c) 2003 Fabrice Bellard
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.
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.
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.
30 #include <sys/types.h>
34 #include <sys/mount.h>
35 #include <sys/resource.h>
40 #include <sys/socket.h>
43 #include <sys/times.h>
44 //#include <sys/user.h>
45 #include <netinet/tcp.h>
47 #define termios host_termios
48 #define winsize host_winsize
49 #define termio host_termio
50 #define sgttyb host_sgttyb /* same as target */
51 #define tchars host_tchars /* same as target */
52 #define ltchars host_ltchars /* same as target */
54 #include <linux/termios.h>
55 #include <linux/unistd.h>
56 #include <linux/utsname.h>
57 #include <linux/cdrom.h>
58 #include <linux/hdreg.h>
59 #include <linux/soundcard.h>
60 #include <linux/dirent.h>
67 //#include <linux/msdos_fs.h>
68 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
69 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
71 #define __NR_sys_uname __NR_uname
72 #define __NR_sys_getcwd1 __NR_getcwd
73 #define __NR_sys_statfs __NR_statfs
74 #define __NR_sys_fstatfs __NR_fstatfs
75 #define __NR_sys_getdents __NR_getdents
76 #define __NR_sys_getdents64 __NR_getdents64
77 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
79 #if defined(__alpha__) || defined (__ia64__)
80 #define __NR__llseek __NR_lseek
84 _syscall0(int, gettid)
86 static int gettid(void) {
90 _syscall1(int,sys_uname,struct new_utsname *,buf)
91 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
92 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
93 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
94 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
95 loff_t *, res, uint, wh);
96 _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
97 _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
98 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
99 #ifdef __NR_exit_group
100 _syscall1(int,exit_group,int,error_code)
103 extern int personality(int);
104 extern int flock(int, int);
105 extern int setfsuid(int);
106 extern int setfsgid(int);
107 extern int setresuid(uid_t, uid_t, uid_t);
108 extern int getresuid(uid_t *, uid_t *, uid_t *);
109 extern int setresgid(gid_t, gid_t, gid_t);
110 extern int getresgid(gid_t *, gid_t *, gid_t *);
111 extern int setgroups(int, gid_t *);
113 static inline long get_errno(long ret)
121 static inline int is_error(long ret)
123 return (unsigned long)ret >= (unsigned long)(-4096);
126 static char *target_brk;
127 static char *target_original_brk;
129 void target_set_brk(char *new_brk)
131 target_brk = new_brk;
132 target_original_brk = new_brk;
135 static long do_brk(char *new_brk)
142 return (long)target_brk;
143 if (new_brk < target_original_brk)
146 brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
148 /* If the new brk is less than this, set it and we're done... */
149 if (new_brk < brk_page) {
150 target_brk = new_brk;
151 return (long)target_brk;
154 /* We need to allocate more memory after the brk... */
155 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
156 mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size,
157 PROT_READ|PROT_WRITE,
158 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
159 if (is_error(mapped_addr)) {
162 target_brk = new_brk;
163 return (long)target_brk;
167 static inline fd_set *target_to_host_fds(fd_set *fds,
168 target_long *target_fds, int n)
170 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
171 return (fd_set *)target_fds;
176 for(i = 0;i < n; i++) {
177 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
178 (i & (TARGET_LONG_BITS - 1))) & 1;
189 static inline void host_to_target_fds(target_long *target_fds,
192 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
199 nw = n / TARGET_LONG_BITS;
201 for(i = 0;i < nw; i++) {
203 for(j = 0; j < TARGET_LONG_BITS; j++) {
204 v |= ((FD_ISSET(k, fds) != 0) << j);
207 target_fds[i] = tswapl(v);
213 static inline void host_to_target_rusage(struct target_rusage *target_rusage,
214 const struct rusage *rusage)
216 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
217 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
218 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
219 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
220 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
221 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
222 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
223 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
224 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
225 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
226 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
227 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
228 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
229 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
230 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
231 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
232 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
233 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
236 static inline void target_to_host_timeval(struct timeval *tv,
237 const struct target_timeval *target_tv)
239 tv->tv_sec = tswapl(target_tv->tv_sec);
240 tv->tv_usec = tswapl(target_tv->tv_usec);
243 static inline void host_to_target_timeval(struct target_timeval *target_tv,
244 const struct timeval *tv)
246 target_tv->tv_sec = tswapl(tv->tv_sec);
247 target_tv->tv_usec = tswapl(tv->tv_usec);
251 static long do_select(long n,
252 target_long *target_rfds, target_long *target_wfds,
253 target_long *target_efds, struct target_timeval *target_tv)
255 fd_set rfds, wfds, efds;
256 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
257 struct timeval tv, *tv_ptr;
260 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
261 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
262 efds_ptr = target_to_host_fds(&efds, target_efds, n);
265 target_to_host_timeval(&tv, target_tv);
270 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
271 if (!is_error(ret)) {
272 host_to_target_fds(target_rfds, rfds_ptr, n);
273 host_to_target_fds(target_wfds, wfds_ptr, n);
274 host_to_target_fds(target_efds, efds_ptr, n);
277 host_to_target_timeval(target_tv, &tv);
283 static inline void target_to_host_sockaddr(struct sockaddr *addr,
284 struct target_sockaddr *target_addr,
287 memcpy(addr, target_addr, len);
288 addr->sa_family = tswap16(target_addr->sa_family);
291 static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
292 struct sockaddr *addr,
295 memcpy(target_addr, addr, len);
296 target_addr->sa_family = tswap16(addr->sa_family);
299 static inline void target_to_host_cmsg(struct msghdr *msgh,
300 struct target_msghdr *target_msgh)
302 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
303 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
306 while (cmsg && target_cmsg) {
307 void *data = CMSG_DATA(cmsg);
308 void *target_data = TARGET_CMSG_DATA(target_cmsg);
310 int len = tswapl(target_cmsg->cmsg_len)
311 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
313 space += CMSG_SPACE(len);
314 if (space > msgh->msg_controllen) {
315 space -= CMSG_SPACE(len);
316 gemu_log("Host cmsg overflow");
320 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
321 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
322 cmsg->cmsg_len = CMSG_LEN(len);
324 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
325 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
326 memcpy(data, target_data, len);
328 int *fd = (int *)data;
329 int *target_fd = (int *)target_data;
330 int i, numfds = len / sizeof(int);
332 for (i = 0; i < numfds; i++)
333 fd[i] = tswap32(target_fd[i]);
336 cmsg = CMSG_NXTHDR(msgh, cmsg);
337 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
340 msgh->msg_controllen = space;
343 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
346 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
347 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
350 while (cmsg && target_cmsg) {
351 void *data = CMSG_DATA(cmsg);
352 void *target_data = TARGET_CMSG_DATA(target_cmsg);
354 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
356 space += TARGET_CMSG_SPACE(len);
357 if (space > tswapl(target_msgh->msg_controllen)) {
358 space -= TARGET_CMSG_SPACE(len);
359 gemu_log("Target cmsg overflow");
363 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
364 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
365 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
367 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
368 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
369 memcpy(target_data, data, len);
371 int *fd = (int *)data;
372 int *target_fd = (int *)target_data;
373 int i, numfds = len / sizeof(int);
375 for (i = 0; i < numfds; i++)
376 target_fd[i] = tswap32(fd[i]);
379 cmsg = CMSG_NXTHDR(msgh, cmsg);
380 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
383 msgh->msg_controllen = tswapl(space);
386 static long do_setsockopt(int sockfd, int level, int optname,
387 void *optval, socklen_t optlen)
389 if (level == SOL_TCP) {
390 /* TCP options all take an 'int' value. */
393 if (optlen < sizeof(uint32_t))
396 val = tswap32(*(uint32_t *)optval);
397 return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
400 else if (level != SOL_SOCKET) {
401 gemu_log("Unsupported setsockopt level: %d\n", level);
406 /* Options with 'int' argument. */
427 if (optlen < sizeof(uint32_t))
429 val = tswap32(*(uint32_t *)optval);
430 return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
434 gemu_log("Unsupported setsockopt SOL_SOCKET option: %d\n", optname);
439 static long do_getsockopt(int sockfd, int level, int optname,
440 void *optval, socklen_t *optlen)
442 gemu_log("getsockopt not yet supported\n");
446 static long do_socketcall(int num, int32_t *vptr)
453 int domain = tswap32(vptr[0]);
454 int type = tswap32(vptr[1]);
455 int protocol = tswap32(vptr[2]);
457 ret = get_errno(socket(domain, type, protocol));
462 int sockfd = tswap32(vptr[0]);
463 void *target_addr = (void *)tswap32(vptr[1]);
464 socklen_t addrlen = tswap32(vptr[2]);
465 void *addr = alloca(addrlen);
467 target_to_host_sockaddr(addr, target_addr, addrlen);
468 ret = get_errno(bind(sockfd, addr, addrlen));
473 int sockfd = tswap32(vptr[0]);
474 void *target_addr = (void *)tswap32(vptr[1]);
475 socklen_t addrlen = tswap32(vptr[2]);
476 void *addr = alloca(addrlen);
478 target_to_host_sockaddr(addr, target_addr, addrlen);
479 ret = get_errno(connect(sockfd, addr, addrlen));
484 int sockfd = tswap32(vptr[0]);
485 int backlog = tswap32(vptr[1]);
487 ret = get_errno(listen(sockfd, backlog));
492 int sockfd = tswap32(vptr[0]);
493 void *target_addr = (void *)tswap32(vptr[1]);
494 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
495 socklen_t addrlen = tswap32(*target_addrlen);
496 void *addr = alloca(addrlen);
498 ret = get_errno(accept(sockfd, addr, &addrlen));
499 if (!is_error(ret)) {
500 host_to_target_sockaddr(target_addr, addr, addrlen);
501 *target_addrlen = tswap32(addrlen);
505 case SOCKOP_getsockname:
507 int sockfd = tswap32(vptr[0]);
508 void *target_addr = (void *)tswap32(vptr[1]);
509 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
510 socklen_t addrlen = tswap32(*target_addrlen);
511 void *addr = alloca(addrlen);
513 ret = get_errno(getsockname(sockfd, addr, &addrlen));
514 if (!is_error(ret)) {
515 host_to_target_sockaddr(target_addr, addr, addrlen);
516 *target_addrlen = tswap32(addrlen);
520 case SOCKOP_getpeername:
522 int sockfd = tswap32(vptr[0]);
523 void *target_addr = (void *)tswap32(vptr[1]);
524 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
525 socklen_t addrlen = tswap32(*target_addrlen);
526 void *addr = alloca(addrlen);
528 ret = get_errno(getpeername(sockfd, addr, &addrlen));
529 if (!is_error(ret)) {
530 host_to_target_sockaddr(target_addr, addr, addrlen);
531 *target_addrlen = tswap32(addrlen);
535 case SOCKOP_socketpair:
537 int domain = tswap32(vptr[0]);
538 int type = tswap32(vptr[1]);
539 int protocol = tswap32(vptr[2]);
540 int32_t *target_tab = (void *)tswap32(vptr[3]);
543 ret = get_errno(socketpair(domain, type, protocol, tab));
544 if (!is_error(ret)) {
545 target_tab[0] = tswap32(tab[0]);
546 target_tab[1] = tswap32(tab[1]);
552 int sockfd = tswap32(vptr[0]);
553 void *msg = (void *)tswap32(vptr[1]);
554 size_t len = tswap32(vptr[2]);
555 int flags = tswap32(vptr[3]);
557 ret = get_errno(send(sockfd, msg, len, flags));
562 int sockfd = tswap32(vptr[0]);
563 void *msg = (void *)tswap32(vptr[1]);
564 size_t len = tswap32(vptr[2]);
565 int flags = tswap32(vptr[3]);
567 ret = get_errno(recv(sockfd, msg, len, flags));
572 int sockfd = tswap32(vptr[0]);
573 void *msg = (void *)tswap32(vptr[1]);
574 size_t len = tswap32(vptr[2]);
575 int flags = tswap32(vptr[3]);
576 void *target_addr = (void *)tswap32(vptr[4]);
577 socklen_t addrlen = tswap32(vptr[5]);
578 void *addr = alloca(addrlen);
580 target_to_host_sockaddr(addr, target_addr, addrlen);
581 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
584 case SOCKOP_recvfrom:
586 int sockfd = tswap32(vptr[0]);
587 void *msg = (void *)tswap32(vptr[1]);
588 size_t len = tswap32(vptr[2]);
589 int flags = tswap32(vptr[3]);
590 void *target_addr = (void *)tswap32(vptr[4]);
591 uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
592 socklen_t addrlen = tswap32(*target_addrlen);
593 void *addr = alloca(addrlen);
595 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
596 if (!is_error(ret)) {
597 host_to_target_sockaddr(target_addr, addr, addrlen);
598 *target_addrlen = tswap32(addrlen);
602 case SOCKOP_shutdown:
604 int sockfd = tswap32(vptr[0]);
605 int how = tswap32(vptr[1]);
607 ret = get_errno(shutdown(sockfd, how));
614 struct target_msghdr *msgp;
618 struct target_iovec *target_vec;
620 msgp = (void *)tswap32(vptr[1]);
621 msg.msg_name = (void *)tswapl(msgp->msg_name);
622 msg.msg_namelen = tswapl(msgp->msg_namelen);
623 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
624 msg.msg_control = alloca(msg.msg_controllen);
625 msg.msg_flags = tswap32(msgp->msg_flags);
627 count = tswapl(msgp->msg_iovlen);
628 vec = alloca(count * sizeof(struct iovec));
629 target_vec = (void *)tswapl(msgp->msg_iov);
630 for(i = 0;i < count; i++) {
631 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
632 vec[i].iov_len = tswapl(target_vec[i].iov_len);
634 msg.msg_iovlen = count;
637 fd = tswap32(vptr[0]);
638 flags = tswap32(vptr[2]);
639 if (num == SOCKOP_sendmsg) {
640 target_to_host_cmsg(&msg, msgp);
641 ret = get_errno(sendmsg(fd, &msg, flags));
643 ret = get_errno(recvmsg(fd, &msg, flags));
645 host_to_target_cmsg(msgp, &msg);
649 case SOCKOP_setsockopt:
651 int sockfd = tswap32(vptr[0]);
652 int level = tswap32(vptr[1]);
653 int optname = tswap32(vptr[2]);
654 void *optval = (void *)tswap32(vptr[3]);
655 socklen_t optlen = tswap32(vptr[4]);
657 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
660 case SOCKOP_getsockopt:
662 int sockfd = tswap32(vptr[0]);
663 int level = tswap32(vptr[1]);
664 int optname = tswap32(vptr[2]);
665 void *optval = (void *)tswap32(vptr[3]);
666 uint32_t *target_len = (void *)tswap32(vptr[4]);
667 socklen_t optlen = tswap32(*target_len);
669 ret = do_getsockopt(sockfd, level, optname, optval, &optlen);
671 *target_len = tswap32(optlen);
675 gemu_log("Unsupported socketcall: %d\n", num);
682 /* kernel structure types definitions */
685 #define STRUCT(name, list...) STRUCT_ ## name,
686 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
688 #include "syscall_types.h"
691 #undef STRUCT_SPECIAL
693 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
694 #define STRUCT_SPECIAL(name)
695 #include "syscall_types.h"
697 #undef STRUCT_SPECIAL
699 typedef struct IOCTLEntry {
700 unsigned int target_cmd;
701 unsigned int host_cmd;
704 const argtype arg_type[5];
709 #define IOC_RW (IOC_R | IOC_W)
711 #define MAX_STRUCT_SIZE 4096
713 IOCTLEntry ioctl_entries[] = {
714 #define IOCTL(cmd, access, types...) \
715 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
720 static long do_ioctl(long fd, long cmd, long arg)
722 const IOCTLEntry *ie;
723 const argtype *arg_type;
725 uint8_t buf_temp[MAX_STRUCT_SIZE];
729 if (ie->target_cmd == 0) {
730 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
733 if (ie->target_cmd == cmd)
737 arg_type = ie->arg_type;
739 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
741 switch(arg_type[0]) {
744 ret = get_errno(ioctl(fd, ie->host_cmd));
749 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
755 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
756 if (!is_error(ret)) {
757 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
761 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
762 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
766 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
767 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
768 if (!is_error(ret)) {
769 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
775 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
782 bitmask_transtbl iflag_tbl[] = {
783 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
784 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
785 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
786 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
787 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
788 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
789 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
790 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
791 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
792 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
793 { TARGET_IXON, TARGET_IXON, IXON, IXON },
794 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
795 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
796 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
800 bitmask_transtbl oflag_tbl[] = {
801 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
802 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
803 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
804 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
805 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
806 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
807 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
808 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
809 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
810 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
811 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
812 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
813 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
814 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
815 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
816 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
817 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
818 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
819 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
820 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
821 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
822 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
823 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
824 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
828 bitmask_transtbl cflag_tbl[] = {
829 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
830 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
831 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
832 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
833 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
834 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
835 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
836 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
837 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
838 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
839 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
840 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
841 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
842 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
843 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
844 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
845 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
846 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
847 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
848 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
849 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
850 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
851 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
852 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
853 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
854 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
855 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
856 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
857 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
858 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
859 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
863 bitmask_transtbl lflag_tbl[] = {
864 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
865 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
866 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
867 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
868 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
869 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
870 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
871 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
872 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
873 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
874 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
875 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
876 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
877 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
878 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
882 static void target_to_host_termios (void *dst, const void *src)
884 struct host_termios *host = dst;
885 const struct target_termios *target = src;
888 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
890 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
892 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
894 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
895 host->c_line = target->c_line;
897 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
898 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
899 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
900 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
901 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
902 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
903 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
904 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
905 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
906 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
907 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
908 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
909 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
910 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
911 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
912 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
913 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
916 static void host_to_target_termios (void *dst, const void *src)
918 struct target_termios *target = dst;
919 const struct host_termios *host = src;
922 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
924 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
926 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
928 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
929 target->c_line = host->c_line;
931 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
932 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
933 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
934 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
935 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
936 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
937 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
938 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
939 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
940 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
941 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
942 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
943 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
944 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
945 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
946 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
947 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
950 StructEntry struct_termios_def = {
951 .convert = { host_to_target_termios, target_to_host_termios },
952 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
953 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
956 static bitmask_transtbl mmap_flags_tbl[] = {
957 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
958 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
959 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
960 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
961 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
962 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
963 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
964 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
968 #if defined(TARGET_I386)
970 /* NOTE: there is really one LDT for all the threads */
973 static int read_ldt(void *ptr, unsigned long bytecount)
979 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
980 if (size > bytecount)
982 memcpy(ptr, ldt_table, size);
986 /* XXX: add locking support */
987 static int write_ldt(CPUX86State *env,
988 void *ptr, unsigned long bytecount, int oldmode)
990 struct target_modify_ldt_ldt_s ldt_info;
991 int seg_32bit, contents, read_exec_only, limit_in_pages;
992 int seg_not_present, useable;
993 uint32_t *lp, entry_1, entry_2;
995 if (bytecount != sizeof(ldt_info))
997 memcpy(&ldt_info, ptr, sizeof(ldt_info));
998 tswap32s(&ldt_info.entry_number);
999 tswapls((long *)&ldt_info.base_addr);
1000 tswap32s(&ldt_info.limit);
1001 tswap32s(&ldt_info.flags);
1003 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1005 seg_32bit = ldt_info.flags & 1;
1006 contents = (ldt_info.flags >> 1) & 3;
1007 read_exec_only = (ldt_info.flags >> 3) & 1;
1008 limit_in_pages = (ldt_info.flags >> 4) & 1;
1009 seg_not_present = (ldt_info.flags >> 5) & 1;
1010 useable = (ldt_info.flags >> 6) & 1;
1012 if (contents == 3) {
1015 if (seg_not_present == 0)
1018 /* allocate the LDT */
1020 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1023 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1024 env->ldt.base = ldt_table;
1025 env->ldt.limit = 0xffff;
1028 /* NOTE: same code as Linux kernel */
1029 /* Allow LDTs to be cleared by the user. */
1030 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1033 read_exec_only == 1 &&
1035 limit_in_pages == 0 &&
1036 seg_not_present == 1 &&
1044 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1045 (ldt_info.limit & 0x0ffff);
1046 entry_2 = (ldt_info.base_addr & 0xff000000) |
1047 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1048 (ldt_info.limit & 0xf0000) |
1049 ((read_exec_only ^ 1) << 9) |
1051 ((seg_not_present ^ 1) << 15) |
1053 (limit_in_pages << 23) |
1056 entry_2 |= (useable << 20);
1058 /* Install the new entry ... */
1060 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1061 lp[0] = tswap32(entry_1);
1062 lp[1] = tswap32(entry_2);
1066 /* specific and weird i386 syscalls */
1067 int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
1073 ret = read_ldt(ptr, bytecount);
1076 ret = write_ldt(env, ptr, bytecount, 1);
1079 ret = write_ldt(env, ptr, bytecount, 0);
1085 #endif /* defined(TARGET_I386) */
1087 /* this stack is the equivalent of the kernel stack associated with a
1089 #define NEW_STACK_SIZE 8192
1091 static int clone_func(void *arg)
1093 CPUState *env = arg;
1099 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1106 if (flags & CLONE_VM) {
1107 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1108 memset(ts, 0, sizeof(TaskState));
1109 new_stack = ts->stack;
1111 /* add in task state list */
1112 ts->next = first_task_state;
1113 first_task_state = ts;
1114 /* we create a new CPU instance. */
1115 new_env = cpu_init();
1116 memcpy(new_env, env, sizeof(CPUState));
1117 #if defined(TARGET_I386)
1119 newsp = env->regs[R_ESP];
1120 new_env->regs[R_ESP] = newsp;
1121 new_env->regs[R_EAX] = 0;
1122 #elif defined(TARGET_ARM)
1124 newsp = env->regs[13];
1125 new_env->regs[13] = newsp;
1126 new_env->regs[0] = 0;
1128 #error unsupported target CPU
1130 new_env->opaque = ts;
1132 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1134 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1137 /* if no CLONE_VM, we consider it is a fork */
1138 if ((flags & ~CSIGNAL) != 0)
1145 static long do_fcntl(int fd, int cmd, unsigned long arg)
1148 struct target_flock *target_fl = (void *)arg;
1152 case TARGET_F_GETLK:
1153 ret = fcntl(fd, cmd, &fl);
1155 target_fl->l_type = tswap16(fl.l_type);
1156 target_fl->l_whence = tswap16(fl.l_whence);
1157 target_fl->l_start = tswapl(fl.l_start);
1158 target_fl->l_len = tswapl(fl.l_len);
1159 target_fl->l_pid = tswapl(fl.l_pid);
1163 case TARGET_F_SETLK:
1164 case TARGET_F_SETLKW:
1165 fl.l_type = tswap16(target_fl->l_type);
1166 fl.l_whence = tswap16(target_fl->l_whence);
1167 fl.l_start = tswapl(target_fl->l_start);
1168 fl.l_len = tswapl(target_fl->l_len);
1169 fl.l_pid = tswapl(target_fl->l_pid);
1170 ret = fcntl(fd, cmd, &fl);
1173 case TARGET_F_GETLK64:
1174 case TARGET_F_SETLK64:
1175 case TARGET_F_SETLKW64:
1181 ret = fcntl(fd, cmd, arg);
1188 #define high2lowuid(x) (x)
1189 #define high2lowgid(x) (x)
1190 #define low2highuid(x) (x)
1191 #define low2highgid(x) (x)
1193 void syscall_init(void)
1196 const argtype *arg_type;
1199 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1200 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1201 #include "syscall_types.h"
1203 #undef STRUCT_SPECIAL
1205 /* we patch the ioctl size if necessary. We rely on the fact that
1206 no ioctl has all the bits at '1' in the size field */
1208 while (ie->target_cmd != 0) {
1209 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1210 TARGET_IOC_SIZEMASK) {
1211 arg_type = ie->arg_type;
1212 if (arg_type[0] != TYPE_PTR) {
1213 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1218 size = thunk_type_size(arg_type, 0);
1219 ie->target_cmd = (ie->target_cmd &
1220 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1221 (size << TARGET_IOC_SIZESHIFT);
1223 /* automatic consistency check if same arch */
1224 #if defined(__i386__) && defined(TARGET_I386)
1225 if (ie->target_cmd != ie->host_cmd) {
1226 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1227 ie->target_cmd, ie->host_cmd);
1234 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1235 long arg4, long arg5, long arg6)
1239 struct kernel_statfs *stfs;
1242 gemu_log("syscall %d\n", num);
1245 case TARGET_NR_exit:
1249 /* XXX: should free thread stack and CPU env */
1251 ret = 0; /* avoid warning */
1253 case TARGET_NR_read:
1254 page_unprotect_range((void *)arg2, arg3);
1255 ret = get_errno(read(arg1, (void *)arg2, arg3));
1257 case TARGET_NR_write:
1258 ret = get_errno(write(arg1, (void *)arg2, arg3));
1260 case TARGET_NR_open:
1261 ret = get_errno(open(path((const char *)arg1), arg2, arg3));
1263 case TARGET_NR_close:
1264 ret = get_errno(close(arg1));
1267 ret = do_brk((char *)arg1);
1269 case TARGET_NR_fork:
1270 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1272 case TARGET_NR_waitpid:
1274 int *status = (int *)arg2;
1275 ret = get_errno(waitpid(arg1, status, arg3));
1276 if (!is_error(ret) && status)
1277 tswapls((long *)&status);
1280 case TARGET_NR_creat:
1281 ret = get_errno(creat((const char *)arg1, arg2));
1283 case TARGET_NR_link:
1284 ret = get_errno(link((const char *)arg1, (const char *)arg2));
1286 case TARGET_NR_unlink:
1287 ret = get_errno(unlink((const char *)arg1));
1289 case TARGET_NR_execve:
1291 char **argp, **envp;
1297 for (p = (void *)arg2; *p; p++)
1300 for (p = (void *)arg3; *p; p++)
1303 argp = alloca((argc + 1) * sizeof(void *));
1304 envp = alloca((envc + 1) * sizeof(void *));
1306 for (p = (void *)arg2, q = argp; *p; p++, q++)
1307 *q = (void *)tswap32(*p);
1310 for (p = (void *)arg3, q = envp; *p; p++, q++)
1311 *q = (void *)tswap32(*p);
1314 ret = get_errno(execve((const char *)arg1, argp, envp));
1317 case TARGET_NR_chdir:
1318 ret = get_errno(chdir((const char *)arg1));
1320 case TARGET_NR_time:
1322 int *time_ptr = (int *)arg1;
1323 ret = get_errno(time((time_t *)time_ptr));
1324 if (!is_error(ret) && time_ptr)
1328 case TARGET_NR_mknod:
1329 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1331 case TARGET_NR_chmod:
1332 ret = get_errno(chmod((const char *)arg1, arg2));
1334 case TARGET_NR_lchown:
1335 ret = get_errno(chown((const char *)arg1, arg2, arg3));
1337 case TARGET_NR_break:
1339 case TARGET_NR_oldstat:
1341 case TARGET_NR_lseek:
1342 ret = get_errno(lseek(arg1, arg2, arg3));
1344 case TARGET_NR_getpid:
1345 ret = get_errno(getpid());
1347 case TARGET_NR_mount:
1348 /* need to look at the data field */
1350 case TARGET_NR_umount:
1351 ret = get_errno(umount((const char *)arg1));
1353 case TARGET_NR_setuid:
1354 ret = get_errno(setuid(low2highuid(arg1)));
1356 case TARGET_NR_getuid:
1357 ret = get_errno(getuid());
1359 case TARGET_NR_stime:
1361 int *time_ptr = (int *)arg1;
1364 ret = get_errno(stime((time_t *)time_ptr));
1367 case TARGET_NR_ptrace:
1369 case TARGET_NR_alarm:
1372 case TARGET_NR_oldfstat:
1374 case TARGET_NR_pause:
1375 ret = get_errno(pause());
1377 case TARGET_NR_utime:
1379 case TARGET_NR_stty:
1381 case TARGET_NR_gtty:
1383 case TARGET_NR_access:
1384 ret = get_errno(access((const char *)arg1, arg2));
1386 case TARGET_NR_nice:
1387 ret = get_errno(nice(arg1));
1389 case TARGET_NR_ftime:
1391 case TARGET_NR_sync:
1395 case TARGET_NR_kill:
1396 ret = get_errno(kill(arg1, arg2));
1398 case TARGET_NR_rename:
1399 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1401 case TARGET_NR_mkdir:
1402 ret = get_errno(mkdir((const char *)arg1, arg2));
1404 case TARGET_NR_rmdir:
1405 ret = get_errno(rmdir((const char *)arg1));
1408 ret = get_errno(dup(arg1));
1410 case TARGET_NR_pipe:
1412 int *pipe_ptr = (int *)arg1;
1413 ret = get_errno(pipe(pipe_ptr));
1414 if (!is_error(ret)) {
1415 tswap32s(&pipe_ptr[0]);
1416 tswap32s(&pipe_ptr[1]);
1420 case TARGET_NR_times:
1422 struct target_tms *tmsp = (void *)arg1;
1424 ret = get_errno(times(&tms));
1426 tmsp->tms_utime = tswapl(tms.tms_utime);
1427 tmsp->tms_stime = tswapl(tms.tms_stime);
1428 tmsp->tms_cutime = tswapl(tms.tms_cutime);
1429 tmsp->tms_cstime = tswapl(tms.tms_cstime);
1433 case TARGET_NR_prof:
1435 case TARGET_NR_setgid:
1436 ret = get_errno(setgid(low2highgid(arg1)));
1438 case TARGET_NR_getgid:
1439 ret = get_errno(getgid());
1441 case TARGET_NR_signal:
1443 case TARGET_NR_geteuid:
1444 ret = get_errno(geteuid());
1446 case TARGET_NR_getegid:
1447 ret = get_errno(getegid());
1449 case TARGET_NR_acct:
1451 case TARGET_NR_umount2:
1452 ret = get_errno(umount2((const char *)arg1, arg2));
1454 case TARGET_NR_lock:
1456 case TARGET_NR_ioctl:
1457 ret = do_ioctl(arg1, arg2, arg3);
1459 case TARGET_NR_fcntl:
1460 ret = get_errno(do_fcntl(arg1, arg2, arg3));
1464 case TARGET_NR_setpgid:
1465 ret = get_errno(setpgid(arg1, arg2));
1467 case TARGET_NR_ulimit:
1469 case TARGET_NR_oldolduname:
1471 case TARGET_NR_umask:
1472 ret = get_errno(umask(arg1));
1474 case TARGET_NR_chroot:
1475 ret = get_errno(chroot((const char *)arg1));
1477 case TARGET_NR_ustat:
1479 case TARGET_NR_dup2:
1480 ret = get_errno(dup2(arg1, arg2));
1482 case TARGET_NR_getppid:
1483 ret = get_errno(getppid());
1485 case TARGET_NR_getpgrp:
1486 ret = get_errno(getpgrp());
1488 case TARGET_NR_setsid:
1489 ret = get_errno(setsid());
1491 case TARGET_NR_sigaction:
1493 struct target_old_sigaction *old_act = (void *)arg2;
1494 struct target_old_sigaction *old_oact = (void *)arg3;
1495 struct target_sigaction act, oact, *pact;
1497 act._sa_handler = old_act->_sa_handler;
1498 target_siginitset(&act.sa_mask, old_act->sa_mask);
1499 act.sa_flags = old_act->sa_flags;
1500 act.sa_restorer = old_act->sa_restorer;
1505 ret = get_errno(do_sigaction(arg1, pact, &oact));
1506 if (!is_error(ret) && old_oact) {
1507 old_oact->_sa_handler = oact._sa_handler;
1508 old_oact->sa_mask = oact.sa_mask.sig[0];
1509 old_oact->sa_flags = oact.sa_flags;
1510 old_oact->sa_restorer = oact.sa_restorer;
1514 case TARGET_NR_rt_sigaction:
1515 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1517 case TARGET_NR_sgetmask:
1520 target_ulong target_set;
1521 sigprocmask(0, NULL, &cur_set);
1522 host_to_target_old_sigset(&target_set, &cur_set);
1526 case TARGET_NR_ssetmask:
1528 sigset_t set, oset, cur_set;
1529 target_ulong target_set = arg1;
1530 sigprocmask(0, NULL, &cur_set);
1531 target_to_host_old_sigset(&set, &target_set);
1532 sigorset(&set, &set, &cur_set);
1533 sigprocmask(SIG_SETMASK, &set, &oset);
1534 host_to_target_old_sigset(&target_set, &oset);
1538 case TARGET_NR_sigprocmask:
1541 sigset_t set, oldset, *set_ptr;
1542 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1546 case TARGET_SIG_BLOCK:
1549 case TARGET_SIG_UNBLOCK:
1552 case TARGET_SIG_SETMASK:
1559 target_to_host_old_sigset(&set, pset);
1565 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1566 if (!is_error(ret) && poldset) {
1567 host_to_target_old_sigset(poldset, &oldset);
1571 case TARGET_NR_rt_sigprocmask:
1574 sigset_t set, oldset, *set_ptr;
1575 target_sigset_t *pset = (void *)arg2;
1576 target_sigset_t *poldset = (void *)arg3;
1580 case TARGET_SIG_BLOCK:
1583 case TARGET_SIG_UNBLOCK:
1586 case TARGET_SIG_SETMASK:
1593 target_to_host_sigset(&set, pset);
1599 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1600 if (!is_error(ret) && poldset) {
1601 host_to_target_sigset(poldset, &oldset);
1605 case TARGET_NR_sigpending:
1608 ret = get_errno(sigpending(&set));
1609 if (!is_error(ret)) {
1610 host_to_target_old_sigset((target_ulong *)arg1, &set);
1614 case TARGET_NR_rt_sigpending:
1617 ret = get_errno(sigpending(&set));
1618 if (!is_error(ret)) {
1619 host_to_target_sigset((target_sigset_t *)arg1, &set);
1623 case TARGET_NR_sigsuspend:
1626 target_to_host_old_sigset(&set, (target_ulong *)arg1);
1627 ret = get_errno(sigsuspend(&set));
1630 case TARGET_NR_rt_sigsuspend:
1633 target_to_host_sigset(&set, (target_sigset_t *)arg1);
1634 ret = get_errno(sigsuspend(&set));
1637 case TARGET_NR_rt_sigtimedwait:
1639 target_sigset_t *target_set = (void *)arg1;
1640 target_siginfo_t *target_uinfo = (void *)arg2;
1641 struct target_timespec *target_uts = (void *)arg3;
1643 struct timespec uts, *puts;
1646 target_to_host_sigset(&set, target_set);
1649 puts->tv_sec = tswapl(target_uts->tv_sec);
1650 puts->tv_nsec = tswapl(target_uts->tv_nsec);
1654 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1655 if (!is_error(ret) && target_uinfo) {
1656 host_to_target_siginfo(target_uinfo, &uinfo);
1660 case TARGET_NR_rt_sigqueueinfo:
1663 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
1664 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
1667 case TARGET_NR_sigreturn:
1668 /* NOTE: ret is eax, so not transcoding must be done */
1669 ret = do_sigreturn(cpu_env);
1671 case TARGET_NR_rt_sigreturn:
1672 /* NOTE: ret is eax, so not transcoding must be done */
1673 ret = do_rt_sigreturn(cpu_env);
1675 case TARGET_NR_setreuid:
1676 ret = get_errno(setreuid(arg1, arg2));
1678 case TARGET_NR_setregid:
1679 ret = get_errno(setregid(arg1, arg2));
1681 case TARGET_NR_sethostname:
1682 ret = get_errno(sethostname((const char *)arg1, arg2));
1684 case TARGET_NR_setrlimit:
1686 /* XXX: convert resource ? */
1687 int resource = arg1;
1688 struct target_rlimit *target_rlim = (void *)arg2;
1690 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
1691 rlim.rlim_max = tswapl(target_rlim->rlim_max);
1692 ret = get_errno(setrlimit(resource, &rlim));
1695 case TARGET_NR_getrlimit:
1697 /* XXX: convert resource ? */
1698 int resource = arg1;
1699 struct target_rlimit *target_rlim = (void *)arg2;
1702 ret = get_errno(getrlimit(resource, &rlim));
1703 if (!is_error(ret)) {
1704 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
1705 target_rlim->rlim_max = tswapl(rlim.rlim_max);
1709 case TARGET_NR_getrusage:
1711 struct rusage rusage;
1712 struct target_rusage *target_rusage = (void *)arg2;
1713 ret = get_errno(getrusage(arg1, &rusage));
1714 if (!is_error(ret)) {
1715 host_to_target_rusage(target_rusage, &rusage);
1719 case TARGET_NR_gettimeofday:
1721 struct target_timeval *target_tv = (void *)arg1;
1723 ret = get_errno(gettimeofday(&tv, NULL));
1724 if (!is_error(ret)) {
1725 host_to_target_timeval(target_tv, &tv);
1729 case TARGET_NR_settimeofday:
1731 struct target_timeval *target_tv = (void *)arg1;
1733 target_to_host_timeval(&tv, target_tv);
1734 ret = get_errno(settimeofday(&tv, NULL));
1737 case TARGET_NR_getgroups:
1739 int gidsetsize = arg1;
1740 uint16_t *target_grouplist = (void *)arg2;
1744 grouplist = alloca(gidsetsize * sizeof(gid_t));
1745 ret = get_errno(getgroups(gidsetsize, grouplist));
1746 if (!is_error(ret)) {
1747 for(i = 0;i < gidsetsize; i++)
1748 target_grouplist[i] = tswap16(grouplist[i]);
1752 case TARGET_NR_setgroups:
1754 int gidsetsize = arg1;
1755 uint16_t *target_grouplist = (void *)arg2;
1759 grouplist = alloca(gidsetsize * sizeof(gid_t));
1760 for(i = 0;i < gidsetsize; i++)
1761 grouplist[i] = tswap16(target_grouplist[i]);
1762 ret = get_errno(setgroups(gidsetsize, grouplist));
1765 case TARGET_NR_select:
1767 case TARGET_NR_symlink:
1768 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
1770 case TARGET_NR_oldlstat:
1772 case TARGET_NR_readlink:
1773 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
1775 case TARGET_NR_uselib:
1777 case TARGET_NR_swapon:
1778 ret = get_errno(swapon((const char *)arg1, arg2));
1780 case TARGET_NR_reboot:
1782 case TARGET_NR_readdir:
1785 case TARGET_NR_mmap:
1787 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
1788 vptr = (uint32_t *)arg1;
1789 v1 = tswap32(vptr[0]);
1790 v2 = tswap32(vptr[1]);
1791 v3 = tswap32(vptr[2]);
1792 v4 = tswap32(vptr[3]);
1793 v5 = tswap32(vptr[4]);
1794 v6 = tswap32(vptr[5]);
1795 ret = get_errno(target_mmap(v1, v2, v3,
1796 target_to_host_bitmask(v4, mmap_flags_tbl),
1802 case TARGET_NR_mmap2:
1804 case TARGET_NR_mmap:
1806 ret = get_errno(target_mmap(arg1, arg2, arg3,
1807 target_to_host_bitmask(arg4, mmap_flags_tbl),
1809 arg6 << TARGET_PAGE_BITS));
1811 case TARGET_NR_munmap:
1812 ret = get_errno(target_munmap(arg1, arg2));
1814 case TARGET_NR_mprotect:
1815 ret = get_errno(target_mprotect(arg1, arg2, arg3));
1817 case TARGET_NR_mremap:
1818 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
1820 case TARGET_NR_msync:
1821 ret = get_errno(msync((void *)arg1, arg2, arg3));
1823 case TARGET_NR_mlock:
1824 ret = get_errno(mlock((void *)arg1, arg2));
1826 case TARGET_NR_munlock:
1827 ret = get_errno(munlock((void *)arg1, arg2));
1829 case TARGET_NR_mlockall:
1830 ret = get_errno(mlockall(arg1));
1832 case TARGET_NR_munlockall:
1833 ret = get_errno(munlockall());
1835 case TARGET_NR_truncate:
1836 ret = get_errno(truncate((const char *)arg1, arg2));
1838 case TARGET_NR_ftruncate:
1839 ret = get_errno(ftruncate(arg1, arg2));
1841 case TARGET_NR_fchmod:
1842 ret = get_errno(fchmod(arg1, arg2));
1844 case TARGET_NR_fchown:
1845 ret = get_errno(fchown(arg1, arg2, arg3));
1847 case TARGET_NR_getpriority:
1848 ret = get_errno(getpriority(arg1, arg2));
1850 case TARGET_NR_setpriority:
1851 ret = get_errno(setpriority(arg1, arg2, arg3));
1853 case TARGET_NR_profil:
1855 case TARGET_NR_statfs:
1856 stfs = (void *)arg2;
1857 ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
1859 if (!is_error(ret)) {
1860 tswap32s(&stfs->f_type);
1861 tswap32s(&stfs->f_bsize);
1862 tswap32s(&stfs->f_blocks);
1863 tswap32s(&stfs->f_bfree);
1864 tswap32s(&stfs->f_bavail);
1865 tswap32s(&stfs->f_files);
1866 tswap32s(&stfs->f_ffree);
1867 tswap32s(&stfs->f_fsid.val[0]);
1868 tswap32s(&stfs->f_fsid.val[1]);
1869 tswap32s(&stfs->f_namelen);
1872 case TARGET_NR_fstatfs:
1873 stfs = (void *)arg2;
1874 ret = get_errno(sys_fstatfs(arg1, stfs));
1875 goto convert_statfs;
1876 case TARGET_NR_ioperm:
1878 case TARGET_NR_socketcall:
1879 ret = do_socketcall(arg1, (int32_t *)arg2);
1881 case TARGET_NR_syslog:
1883 case TARGET_NR_setitimer:
1885 struct target_itimerval *target_value = (void *)arg2;
1886 struct target_itimerval *target_ovalue = (void *)arg3;
1887 struct itimerval value, ovalue, *pvalue;
1891 target_to_host_timeval(&pvalue->it_interval,
1892 &target_value->it_interval);
1893 target_to_host_timeval(&pvalue->it_value,
1894 &target_value->it_value);
1898 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1899 if (!is_error(ret) && target_ovalue) {
1900 host_to_target_timeval(&target_ovalue->it_interval,
1901 &ovalue.it_interval);
1902 host_to_target_timeval(&target_ovalue->it_value,
1907 case TARGET_NR_getitimer:
1909 struct target_itimerval *target_value = (void *)arg2;
1910 struct itimerval value;
1912 ret = get_errno(getitimer(arg1, &value));
1913 if (!is_error(ret) && target_value) {
1914 host_to_target_timeval(&target_value->it_interval,
1915 &value.it_interval);
1916 host_to_target_timeval(&target_value->it_value,
1921 case TARGET_NR_stat:
1922 ret = get_errno(stat(path((const char *)arg1), &st));
1924 case TARGET_NR_lstat:
1925 ret = get_errno(lstat(path((const char *)arg1), &st));
1927 case TARGET_NR_fstat:
1929 ret = get_errno(fstat(arg1, &st));
1931 if (!is_error(ret)) {
1932 struct target_stat *target_st = (void *)arg2;
1933 target_st->st_dev = tswap16(st.st_dev);
1934 target_st->st_ino = tswapl(st.st_ino);
1935 target_st->st_mode = tswap16(st.st_mode);
1936 target_st->st_nlink = tswap16(st.st_nlink);
1937 target_st->st_uid = tswap16(st.st_uid);
1938 target_st->st_gid = tswap16(st.st_gid);
1939 target_st->st_rdev = tswap16(st.st_rdev);
1940 target_st->st_size = tswapl(st.st_size);
1941 target_st->st_blksize = tswapl(st.st_blksize);
1942 target_st->st_blocks = tswapl(st.st_blocks);
1943 target_st->target_st_atime = tswapl(st.st_atime);
1944 target_st->target_st_mtime = tswapl(st.st_mtime);
1945 target_st->target_st_ctime = tswapl(st.st_ctime);
1949 case TARGET_NR_olduname:
1951 case TARGET_NR_iopl:
1953 case TARGET_NR_vhangup:
1954 ret = get_errno(vhangup());
1956 case TARGET_NR_idle:
1958 case TARGET_NR_wait4:
1961 target_long *status_ptr = (void *)arg2;
1962 struct rusage rusage, *rusage_ptr;
1963 struct target_rusage *target_rusage = (void *)arg4;
1965 rusage_ptr = &rusage;
1968 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
1969 if (!is_error(ret)) {
1971 *status_ptr = tswap32(status);
1972 if (target_rusage) {
1973 host_to_target_rusage(target_rusage, &rusage);
1978 case TARGET_NR_swapoff:
1979 ret = get_errno(swapoff((const char *)arg1));
1981 case TARGET_NR_sysinfo:
1985 case TARGET_NR_fsync:
1986 ret = get_errno(fsync(arg1));
1988 case TARGET_NR_clone:
1989 ret = get_errno(do_fork(cpu_env, arg1, arg2));
1991 #ifdef __NR_exit_group
1992 /* new thread calls */
1993 case TARGET_NR_exit_group:
1994 ret = get_errno(exit_group(arg1));
1997 case TARGET_NR_setdomainname:
1998 ret = get_errno(setdomainname((const char *)arg1, arg2));
2000 case TARGET_NR_uname:
2001 /* no need to transcode because we use the linux syscall */
2002 ret = get_errno(sys_uname((struct new_utsname *)arg1));
2005 case TARGET_NR_modify_ldt:
2006 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
2008 case TARGET_NR_vm86old:
2010 case TARGET_NR_vm86:
2011 ret = do_vm86(cpu_env, arg1, (void *)arg2);
2014 case TARGET_NR_adjtimex:
2016 case TARGET_NR_create_module:
2017 case TARGET_NR_init_module:
2018 case TARGET_NR_delete_module:
2019 case TARGET_NR_get_kernel_syms:
2021 case TARGET_NR_quotactl:
2023 case TARGET_NR_getpgid:
2024 ret = get_errno(getpgid(arg1));
2026 case TARGET_NR_fchdir:
2027 ret = get_errno(fchdir(arg1));
2029 case TARGET_NR_bdflush:
2031 case TARGET_NR_sysfs:
2033 case TARGET_NR_personality:
2034 ret = get_errno(personality(arg1));
2036 case TARGET_NR_afs_syscall:
2038 case TARGET_NR_setfsuid:
2039 ret = get_errno(setfsuid(arg1));
2041 case TARGET_NR_setfsgid:
2042 ret = get_errno(setfsgid(arg1));
2044 case TARGET_NR__llseek:
2047 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2048 *(int64_t *)arg4 = tswap64(res);
2051 case TARGET_NR_getdents:
2052 #if TARGET_LONG_SIZE != 4
2053 #error not supported
2054 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
2056 struct target_dirent *target_dirp = (void *)arg2;
2057 struct dirent *dirp;
2060 dirp = malloc(count);
2064 ret = get_errno(sys_getdents(arg1, dirp, count));
2065 if (!is_error(ret)) {
2067 struct target_dirent *tde;
2069 int reclen, treclen;
2070 int count1, tnamelen;
2076 reclen = de->d_reclen;
2077 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
2078 tde->d_reclen = tswap16(treclen);
2079 tde->d_ino = tswapl(de->d_ino);
2080 tde->d_off = tswapl(de->d_off);
2081 tnamelen = treclen - (2 * sizeof(target_long) + 2);
2084 strncpy(tde->d_name, de->d_name, tnamelen);
2085 de = (struct dirent *)((char *)de + reclen);
2087 tde = (struct dirent *)((char *)tde + treclen);
2096 struct dirent *dirp = (void *)arg2;
2099 ret = get_errno(sys_getdents(arg1, dirp, count));
2100 if (!is_error(ret)) {
2106 reclen = de->d_reclen;
2109 de->d_reclen = tswap16(reclen);
2110 tswapls(&de->d_ino);
2111 tswapls(&de->d_off);
2112 de = (struct dirent *)((char *)de + reclen);
2119 case TARGET_NR_getdents64:
2121 struct dirent64 *dirp = (void *)arg2;
2123 ret = get_errno(sys_getdents64(arg1, dirp, count));
2124 if (!is_error(ret)) {
2125 struct dirent64 *de;
2130 reclen = de->d_reclen;
2133 de->d_reclen = tswap16(reclen);
2134 tswap64s(&de->d_ino);
2135 tswap64s(&de->d_off);
2136 de = (struct dirent64 *)((char *)de + reclen);
2142 case TARGET_NR__newselect:
2143 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
2146 case TARGET_NR_poll:
2148 struct target_pollfd *target_pfd = (void *)arg1;
2149 unsigned int nfds = arg2;
2154 pfd = alloca(sizeof(struct pollfd) * nfds);
2155 for(i = 0; i < nfds; i++) {
2156 pfd[i].fd = tswap32(target_pfd[i].fd);
2157 pfd[i].events = tswap16(target_pfd[i].events);
2159 ret = get_errno(poll(pfd, nfds, timeout));
2160 if (!is_error(ret)) {
2161 for(i = 0; i < nfds; i++) {
2162 target_pfd[i].revents = tswap16(pfd[i].revents);
2167 case TARGET_NR_flock:
2168 /* NOTE: the flock constant seems to be the same for every
2170 ret = get_errno(flock(arg1, arg2));
2172 case TARGET_NR_readv:
2177 struct target_iovec *target_vec = (void *)arg2;
2179 vec = alloca(count * sizeof(struct iovec));
2180 for(i = 0;i < count; i++) {
2181 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2182 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2184 ret = get_errno(readv(arg1, vec, count));
2187 case TARGET_NR_writev:
2192 struct target_iovec *target_vec = (void *)arg2;
2194 vec = alloca(count * sizeof(struct iovec));
2195 for(i = 0;i < count; i++) {
2196 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2197 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2199 ret = get_errno(writev(arg1, vec, count));
2202 case TARGET_NR_getsid:
2203 ret = get_errno(getsid(arg1));
2205 case TARGET_NR_fdatasync:
2206 ret = get_errno(fdatasync(arg1));
2208 case TARGET_NR__sysctl:
2210 case TARGET_NR_sched_setparam:
2212 struct sched_param *target_schp = (void *)arg2;
2213 struct sched_param schp;
2214 schp.sched_priority = tswap32(target_schp->sched_priority);
2215 ret = get_errno(sched_setparam(arg1, &schp));
2218 case TARGET_NR_sched_getparam:
2220 struct sched_param *target_schp = (void *)arg2;
2221 struct sched_param schp;
2222 ret = get_errno(sched_getparam(arg1, &schp));
2223 if (!is_error(ret)) {
2224 target_schp->sched_priority = tswap32(schp.sched_priority);
2228 case TARGET_NR_sched_setscheduler:
2230 struct sched_param *target_schp = (void *)arg3;
2231 struct sched_param schp;
2232 schp.sched_priority = tswap32(target_schp->sched_priority);
2233 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2236 case TARGET_NR_sched_getscheduler:
2237 ret = get_errno(sched_getscheduler(arg1));
2239 case TARGET_NR_sched_yield:
2240 ret = get_errno(sched_yield());
2242 case TARGET_NR_sched_get_priority_max:
2243 ret = get_errno(sched_get_priority_max(arg1));
2245 case TARGET_NR_sched_get_priority_min:
2246 ret = get_errno(sched_get_priority_min(arg1));
2248 case TARGET_NR_sched_rr_get_interval:
2250 struct target_timespec *target_ts = (void *)arg2;
2252 ret = get_errno(sched_rr_get_interval(arg1, &ts));
2253 if (!is_error(ret)) {
2254 target_ts->tv_sec = tswapl(ts.tv_sec);
2255 target_ts->tv_nsec = tswapl(ts.tv_nsec);
2259 case TARGET_NR_nanosleep:
2261 struct target_timespec *target_req = (void *)arg1;
2262 struct target_timespec *target_rem = (void *)arg2;
2263 struct timespec req, rem;
2264 req.tv_sec = tswapl(target_req->tv_sec);
2265 req.tv_nsec = tswapl(target_req->tv_nsec);
2266 ret = get_errno(nanosleep(&req, &rem));
2268 target_rem->tv_sec = tswapl(rem.tv_sec);
2269 target_rem->tv_nsec = tswapl(rem.tv_nsec);
2273 case TARGET_NR_setresuid:
2274 ret = get_errno(setresuid(low2highuid(arg1),
2276 low2highuid(arg3)));
2278 case TARGET_NR_getresuid:
2280 int ruid, euid, suid;
2281 ret = get_errno(getresuid(&ruid, &euid, &suid));
2282 if (!is_error(ret)) {
2283 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2284 *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2285 *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2289 case TARGET_NR_setresgid:
2290 ret = get_errno(setresgid(low2highgid(arg1),
2292 low2highgid(arg3)));
2294 case TARGET_NR_getresgid:
2296 int rgid, egid, sgid;
2297 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2298 if (!is_error(ret)) {
2299 *(uint16_t *)arg1 = high2lowgid(tswap16(rgid));
2300 *(uint16_t *)arg2 = high2lowgid(tswap16(egid));
2301 *(uint16_t *)arg3 = high2lowgid(tswap16(sgid));
2305 case TARGET_NR_query_module:
2307 case TARGET_NR_nfsservctl:
2309 case TARGET_NR_prctl:
2311 case TARGET_NR_pread:
2312 page_unprotect_range((void *)arg2, arg3);
2313 ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
2315 case TARGET_NR_pwrite:
2316 ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
2318 case TARGET_NR_chown:
2319 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2321 case TARGET_NR_getcwd:
2322 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
2324 case TARGET_NR_capget:
2326 case TARGET_NR_capset:
2328 case TARGET_NR_sigaltstack:
2330 case TARGET_NR_sendfile:
2332 case TARGET_NR_getpmsg:
2334 case TARGET_NR_putpmsg:
2336 case TARGET_NR_vfork:
2337 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
2339 case TARGET_NR_ugetrlimit:
2342 ret = get_errno(getrlimit(arg1, &rlim));
2343 if (!is_error(ret)) {
2344 struct target_rlimit *target_rlim = (void *)arg2;
2345 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2346 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2350 case TARGET_NR_truncate64:
2352 case TARGET_NR_ftruncate64:
2354 case TARGET_NR_stat64:
2355 ret = get_errno(stat(path((const char *)arg1), &st));
2357 case TARGET_NR_lstat64:
2358 ret = get_errno(lstat(path((const char *)arg1), &st));
2360 case TARGET_NR_fstat64:
2362 ret = get_errno(fstat(arg1, &st));
2364 if (!is_error(ret)) {
2365 struct target_stat64 *target_st = (void *)arg2;
2366 memset(target_st, 0, sizeof(struct target_stat64));
2367 target_st->st_dev = tswap16(st.st_dev);
2368 target_st->st_ino = tswap64(st.st_ino);
2369 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
2370 target_st->__st_ino = tswapl(st.st_ino);
2372 target_st->st_mode = tswap32(st.st_mode);
2373 target_st->st_nlink = tswap32(st.st_nlink);
2374 target_st->st_uid = tswapl(st.st_uid);
2375 target_st->st_gid = tswapl(st.st_gid);
2376 target_st->st_rdev = tswap16(st.st_rdev);
2377 /* XXX: better use of kernel struct */
2378 target_st->st_size = tswap64(st.st_size);
2379 target_st->st_blksize = tswapl(st.st_blksize);
2380 target_st->st_blocks = tswapl(st.st_blocks);
2381 target_st->target_st_atime = tswapl(st.st_atime);
2382 target_st->target_st_mtime = tswapl(st.st_mtime);
2383 target_st->target_st_ctime = tswapl(st.st_ctime);
2388 case TARGET_NR_lchown32:
2389 ret = get_errno(lchown((const char *)arg1, arg2, arg3));
2391 case TARGET_NR_getuid32:
2392 ret = get_errno(getuid());
2394 case TARGET_NR_getgid32:
2395 ret = get_errno(getgid());
2397 case TARGET_NR_geteuid32:
2398 ret = get_errno(geteuid());
2400 case TARGET_NR_getegid32:
2401 ret = get_errno(getegid());
2403 case TARGET_NR_setreuid32:
2404 ret = get_errno(setreuid(arg1, arg2));
2406 case TARGET_NR_setregid32:
2407 ret = get_errno(setregid(arg1, arg2));
2409 case TARGET_NR_getgroups32:
2411 case TARGET_NR_setgroups32:
2413 case TARGET_NR_fchown32:
2414 ret = get_errno(fchown(arg1, arg2, arg3));
2416 case TARGET_NR_setresuid32:
2417 ret = get_errno(setresuid(arg1, arg2, arg3));
2419 case TARGET_NR_getresuid32:
2421 int ruid, euid, suid;
2422 ret = get_errno(getresuid(&ruid, &euid, &suid));
2423 if (!is_error(ret)) {
2424 *(uint32_t *)arg1 = tswap32(ruid);
2425 *(uint32_t *)arg2 = tswap32(euid);
2426 *(uint32_t *)arg3 = tswap32(suid);
2430 case TARGET_NR_setresgid32:
2431 ret = get_errno(setresgid(arg1, arg2, arg3));
2433 case TARGET_NR_getresgid32:
2435 int rgid, egid, sgid;
2436 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2437 if (!is_error(ret)) {
2438 *(uint32_t *)arg1 = tswap32(rgid);
2439 *(uint32_t *)arg2 = tswap32(egid);
2440 *(uint32_t *)arg3 = tswap32(sgid);
2444 case TARGET_NR_chown32:
2445 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2447 case TARGET_NR_setuid32:
2448 ret = get_errno(setuid(arg1));
2450 case TARGET_NR_setgid32:
2451 ret = get_errno(setgid(arg1));
2453 case TARGET_NR_setfsuid32:
2454 ret = get_errno(setfsuid(arg1));
2456 case TARGET_NR_setfsgid32:
2457 ret = get_errno(setfsgid(arg1));
2459 case TARGET_NR_pivot_root:
2461 case TARGET_NR_mincore:
2463 case TARGET_NR_madvise:
2465 #if TARGET_LONG_BITS == 32
2466 case TARGET_NR_fcntl64:
2469 struct target_flock64 *target_fl = (void *)arg3;
2473 ret = get_errno(fcntl(arg1, arg2, &fl));
2475 target_fl->l_type = tswap16(fl.l_type);
2476 target_fl->l_whence = tswap16(fl.l_whence);
2477 target_fl->l_start = tswap64(fl.l_start);
2478 target_fl->l_len = tswap64(fl.l_len);
2479 target_fl->l_pid = tswapl(fl.l_pid);
2485 fl.l_type = tswap16(target_fl->l_type);
2486 fl.l_whence = tswap16(target_fl->l_whence);
2487 fl.l_start = tswap64(target_fl->l_start);
2488 fl.l_len = tswap64(target_fl->l_len);
2489 fl.l_pid = tswapl(target_fl->l_pid);
2490 ret = get_errno(fcntl(arg1, arg2, &fl));
2493 ret = get_errno(do_fcntl(arg1, arg2, arg3));
2499 case TARGET_NR_security:
2501 case TARGET_NR_gettid:
2502 ret = get_errno(gettid());
2504 case TARGET_NR_readahead:
2506 case TARGET_NR_setxattr:
2507 case TARGET_NR_lsetxattr:
2508 case TARGET_NR_fsetxattr:
2509 case TARGET_NR_getxattr:
2510 case TARGET_NR_lgetxattr:
2511 case TARGET_NR_fgetxattr:
2512 case TARGET_NR_listxattr:
2513 case TARGET_NR_llistxattr:
2514 case TARGET_NR_flistxattr:
2515 case TARGET_NR_removexattr:
2516 case TARGET_NR_lremovexattr:
2517 case TARGET_NR_fremovexattr:
2518 goto unimplemented_nowarn;
2519 case TARGET_NR_set_thread_area:
2520 case TARGET_NR_get_thread_area:
2521 goto unimplemented_nowarn;
2524 gemu_log("qemu: Unsupported syscall: %d\n", num);
2525 unimplemented_nowarn: