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>
46 #include <sys/sysinfo.h>
47 //#include <sys/user.h>
48 #include <netinet/ip.h>
49 #include <netinet/tcp.h>
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 */
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>
71 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC)
72 /* 16 bit uid wrappers emulation */
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])
81 #if defined(__powerpc__)
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
102 /* need to redefine syscalls as Linux kernel defines are incorrect for
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).
110 #define __syscall_nr(nr, type, name, args...) \
111 unsigned long __sc_ret, __sc_err; \
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"); \
120 __sc_loadargs_##nr(name, args); \
121 __asm__ __volatile__ \
125 "=&r" (__sc_3), "=&r" (__sc_4), \
126 "=&r" (__sc_5), "=&r" (__sc_6), \
128 : __sc_asm_input_##nr \
129 : "cr0", "ctr", "memory", \
130 "r8", "r9", "r10","r11", "r12"); \
134 if (__sc_err & 0x10000000) \
139 return (type) __sc_ret
141 #define __sc_loadargs_0(name, dummy...) \
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)
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)
166 #define _syscall0(type,name) \
169 __syscall_nr(0, type, name); \
172 #define _syscall1(type,name,type1,arg1) \
173 type name(type1 arg1) \
175 __syscall_nr(1, type, name, arg1); \
178 #define _syscall2(type,name,type1,arg1,type2,arg2) \
179 type name(type1 arg1, type2 arg2) \
181 __syscall_nr(2, type, name, arg1, arg2); \
184 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
185 type name(type1 arg1, type2 arg2, type3 arg3) \
187 __syscall_nr(3, type, name, arg1, arg2, arg3); \
190 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
191 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
193 __syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \
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) \
199 __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \
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
211 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
212 #define __NR__llseek __NR_lseek
216 _syscall0(int, gettid)
218 static int gettid(void) {
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)
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 *);
245 static inline long get_errno(long ret)
253 static inline int is_error(long ret)
255 return (unsigned long)ret >= (unsigned long)(-4096);
258 static char *target_brk;
259 static char *target_original_brk;
261 void target_set_brk(char *new_brk)
263 target_brk = new_brk;
264 target_original_brk = new_brk;
267 static long do_brk(char *new_brk)
274 return (long)target_brk;
275 if (new_brk < target_original_brk)
278 brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
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;
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)) {
294 target_brk = new_brk;
295 return (long)target_brk;
299 static inline fd_set *target_to_host_fds(fd_set *fds,
300 target_long *target_fds, int n)
302 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
303 return (fd_set *)target_fds;
308 for(i = 0;i < n; i++) {
309 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
310 (i & (TARGET_LONG_BITS - 1))) & 1;
321 static inline void host_to_target_fds(target_long *target_fds,
324 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
331 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
333 for(i = 0;i < nw; i++) {
335 for(j = 0; j < TARGET_LONG_BITS; j++) {
336 v |= ((FD_ISSET(k, fds) != 0) << j);
339 target_fds[i] = tswapl(v);
345 #if defined(__alpha__)
351 static inline long host_to_target_clock_t(long ticks)
353 #if HOST_HZ == TARGET_HZ
356 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
360 static inline void host_to_target_rusage(struct target_rusage *target_rusage,
361 const struct rusage *rusage)
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);
383 static inline void target_to_host_timeval(struct timeval *tv,
384 const struct target_timeval *target_tv)
386 tv->tv_sec = tswapl(target_tv->tv_sec);
387 tv->tv_usec = tswapl(target_tv->tv_usec);
390 static inline void host_to_target_timeval(struct target_timeval *target_tv,
391 const struct timeval *tv)
393 target_tv->tv_sec = tswapl(tv->tv_sec);
394 target_tv->tv_usec = tswapl(tv->tv_usec);
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)
402 fd_set rfds, wfds, efds;
403 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
404 struct timeval tv, *tv_ptr;
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);
412 target_to_host_timeval(&tv, target_tv);
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);
424 host_to_target_timeval(target_tv, &tv);
430 static inline void target_to_host_sockaddr(struct sockaddr *addr,
431 struct target_sockaddr *target_addr,
434 memcpy(addr, target_addr, len);
435 addr->sa_family = tswap16(target_addr->sa_family);
438 static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
439 struct sockaddr *addr,
442 memcpy(target_addr, addr, len);
443 target_addr->sa_family = tswap16(addr->sa_family);
446 static inline void target_to_host_cmsg(struct msghdr *msgh,
447 struct target_msghdr *target_msgh)
449 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
450 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
453 while (cmsg && target_cmsg) {
454 void *data = CMSG_DATA(cmsg);
455 void *target_data = TARGET_CMSG_DATA(target_cmsg);
457 int len = tswapl(target_cmsg->cmsg_len)
458 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
460 space += CMSG_SPACE(len);
461 if (space > msgh->msg_controllen) {
462 space -= CMSG_SPACE(len);
463 gemu_log("Host cmsg overflow");
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);
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);
475 int *fd = (int *)data;
476 int *target_fd = (int *)target_data;
477 int i, numfds = len / sizeof(int);
479 for (i = 0; i < numfds; i++)
480 fd[i] = tswap32(target_fd[i]);
483 cmsg = CMSG_NXTHDR(msgh, cmsg);
484 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
487 msgh->msg_controllen = space;
490 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
493 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
494 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
497 while (cmsg && target_cmsg) {
498 void *data = CMSG_DATA(cmsg);
499 void *target_data = TARGET_CMSG_DATA(target_cmsg);
501 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
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");
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));
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);
518 int *fd = (int *)data;
519 int *target_fd = (int *)target_data;
520 int i, numfds = len / sizeof(int);
522 for (i = 0; i < numfds; i++)
523 target_fd[i] = tswap32(fd[i]);
526 cmsg = CMSG_NXTHDR(msgh, cmsg);
527 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
530 msgh->msg_controllen = tswapl(space);
533 static long do_setsockopt(int sockfd, int level, int optname,
534 void *optval, socklen_t optlen)
540 /* TCP options all take an 'int' value. */
541 if (optlen < sizeof(uint32_t))
544 if (get_user(val, (uint32_t *)optval))
546 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
552 if (optlen >= sizeof(uint32_t)) {
553 if (get_user(val, (uint32_t *)optval))
555 } else if (optlen >= 1) {
556 if (get_user(val, (uint8_t *)optval))
559 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
567 /* Options with 'int' argument. */
586 if (optlen < sizeof(uint32_t))
588 if (get_user(val, (uint32_t *)optval))
590 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
598 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
604 static long do_getsockopt(int sockfd, int level, int optname,
605 void *optval, socklen_t *optlen)
607 int len, lv, val, ret;
617 /* These don't just return a single integer */
620 if (get_user(len, optlen))
625 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
631 if (copy_to_user(optval, &val, len))
633 if (put_user(len, optlen))
640 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
648 static long do_socketcall(int num, int32_t *vptr)
655 int domain = tswap32(vptr[0]);
656 int type = tswap32(vptr[1]);
657 int protocol = tswap32(vptr[2]);
659 ret = get_errno(socket(domain, type, protocol));
664 int sockfd = tswap32(vptr[0]);
665 void *target_addr = (void *)tswap32(vptr[1]);
666 socklen_t addrlen = tswap32(vptr[2]);
667 void *addr = alloca(addrlen);
669 target_to_host_sockaddr(addr, target_addr, addrlen);
670 ret = get_errno(bind(sockfd, addr, addrlen));
675 int sockfd = tswap32(vptr[0]);
676 void *target_addr = (void *)tswap32(vptr[1]);
677 socklen_t addrlen = tswap32(vptr[2]);
678 void *addr = alloca(addrlen);
680 target_to_host_sockaddr(addr, target_addr, addrlen);
681 ret = get_errno(connect(sockfd, addr, addrlen));
686 int sockfd = tswap32(vptr[0]);
687 int backlog = tswap32(vptr[1]);
689 ret = get_errno(listen(sockfd, backlog));
694 int sockfd = tswap32(vptr[0]);
695 void *target_addr = (void *)tswap32(vptr[1]);
696 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
697 socklen_t addrlen = tswap32(*target_addrlen);
698 void *addr = alloca(addrlen);
700 ret = get_errno(accept(sockfd, addr, &addrlen));
701 if (!is_error(ret)) {
702 host_to_target_sockaddr(target_addr, addr, addrlen);
703 *target_addrlen = tswap32(addrlen);
707 case SOCKOP_getsockname:
709 int sockfd = tswap32(vptr[0]);
710 void *target_addr = (void *)tswap32(vptr[1]);
711 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
712 socklen_t addrlen = tswap32(*target_addrlen);
713 void *addr = alloca(addrlen);
715 ret = get_errno(getsockname(sockfd, addr, &addrlen));
716 if (!is_error(ret)) {
717 host_to_target_sockaddr(target_addr, addr, addrlen);
718 *target_addrlen = tswap32(addrlen);
722 case SOCKOP_getpeername:
724 int sockfd = tswap32(vptr[0]);
725 void *target_addr = (void *)tswap32(vptr[1]);
726 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
727 socklen_t addrlen = tswap32(*target_addrlen);
728 void *addr = alloca(addrlen);
730 ret = get_errno(getpeername(sockfd, addr, &addrlen));
731 if (!is_error(ret)) {
732 host_to_target_sockaddr(target_addr, addr, addrlen);
733 *target_addrlen = tswap32(addrlen);
737 case SOCKOP_socketpair:
739 int domain = tswap32(vptr[0]);
740 int type = tswap32(vptr[1]);
741 int protocol = tswap32(vptr[2]);
742 int32_t *target_tab = (void *)tswap32(vptr[3]);
745 ret = get_errno(socketpair(domain, type, protocol, tab));
746 if (!is_error(ret)) {
747 target_tab[0] = tswap32(tab[0]);
748 target_tab[1] = tswap32(tab[1]);
754 int sockfd = tswap32(vptr[0]);
755 void *msg = (void *)tswap32(vptr[1]);
756 size_t len = tswap32(vptr[2]);
757 int flags = tswap32(vptr[3]);
759 ret = get_errno(send(sockfd, msg, len, flags));
764 int sockfd = tswap32(vptr[0]);
765 void *msg = (void *)tswap32(vptr[1]);
766 size_t len = tswap32(vptr[2]);
767 int flags = tswap32(vptr[3]);
769 ret = get_errno(recv(sockfd, msg, len, flags));
774 int sockfd = tswap32(vptr[0]);
775 void *msg = (void *)tswap32(vptr[1]);
776 size_t len = tswap32(vptr[2]);
777 int flags = tswap32(vptr[3]);
778 void *target_addr = (void *)tswap32(vptr[4]);
779 socklen_t addrlen = tswap32(vptr[5]);
780 void *addr = alloca(addrlen);
782 target_to_host_sockaddr(addr, target_addr, addrlen);
783 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
786 case SOCKOP_recvfrom:
788 int sockfd = tswap32(vptr[0]);
789 void *msg = (void *)tswap32(vptr[1]);
790 size_t len = tswap32(vptr[2]);
791 int flags = tswap32(vptr[3]);
792 void *target_addr = (void *)tswap32(vptr[4]);
793 uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
794 socklen_t addrlen = tswap32(*target_addrlen);
795 void *addr = alloca(addrlen);
797 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
798 if (!is_error(ret)) {
799 host_to_target_sockaddr(target_addr, addr, addrlen);
800 *target_addrlen = tswap32(addrlen);
804 case SOCKOP_shutdown:
806 int sockfd = tswap32(vptr[0]);
807 int how = tswap32(vptr[1]);
809 ret = get_errno(shutdown(sockfd, how));
816 struct target_msghdr *msgp;
820 struct target_iovec *target_vec;
822 msgp = (void *)tswap32(vptr[1]);
823 msg.msg_name = (void *)tswapl(msgp->msg_name);
824 msg.msg_namelen = tswapl(msgp->msg_namelen);
825 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
826 msg.msg_control = alloca(msg.msg_controllen);
827 msg.msg_flags = tswap32(msgp->msg_flags);
829 count = tswapl(msgp->msg_iovlen);
830 vec = alloca(count * sizeof(struct iovec));
831 target_vec = (void *)tswapl(msgp->msg_iov);
832 for(i = 0;i < count; i++) {
833 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
834 vec[i].iov_len = tswapl(target_vec[i].iov_len);
836 msg.msg_iovlen = count;
839 fd = tswap32(vptr[0]);
840 flags = tswap32(vptr[2]);
841 if (num == SOCKOP_sendmsg) {
842 target_to_host_cmsg(&msg, msgp);
843 ret = get_errno(sendmsg(fd, &msg, flags));
845 ret = get_errno(recvmsg(fd, &msg, flags));
847 host_to_target_cmsg(msgp, &msg);
851 case SOCKOP_setsockopt:
853 int sockfd = tswap32(vptr[0]);
854 int level = tswap32(vptr[1]);
855 int optname = tswap32(vptr[2]);
856 void *optval = (void *)tswap32(vptr[3]);
857 socklen_t optlen = tswap32(vptr[4]);
859 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
862 case SOCKOP_getsockopt:
864 int sockfd = tswap32(vptr[0]);
865 int level = tswap32(vptr[1]);
866 int optname = tswap32(vptr[2]);
867 void *optval = (void *)tswap32(vptr[3]);
868 uint32_t *poptlen = (void *)tswap32(vptr[4]);
870 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
874 gemu_log("Unsupported socketcall: %d\n", num);
882 #define N_SHM_REGIONS 32
884 static struct shm_region {
887 } shm_regions[N_SHM_REGIONS];
889 static long do_ipc(long call, long first, long second, long third,
890 long ptr, long fifth)
895 struct shmid_ds shm_info;
898 version = call >> 16;
903 /* SHM_* flags are the same on all linux platforms */
904 ret = get_errno((long) shmat(first, (void *) ptr, second));
908 /* find out the length of the shared memory segment */
910 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
912 /* can't get length, bail out */
913 shmdt((void *) raddr);
916 page_set_flags(raddr, raddr + shm_info.shm_segsz,
917 PAGE_VALID | PAGE_READ |
918 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
919 for (i = 0; i < N_SHM_REGIONS; ++i) {
920 if (shm_regions[i].start == 0) {
921 shm_regions[i].start = raddr;
922 shm_regions[i].size = shm_info.shm_segsz;
926 if (put_user(raddr, (uint32_t *)third))
931 for (i = 0; i < N_SHM_REGIONS; ++i) {
932 if (shm_regions[i].start == ptr) {
933 shm_regions[i].start = 0;
934 page_set_flags(ptr, shm_regions[i].size, 0);
938 ret = get_errno(shmdt((void *) ptr));
942 /* IPC_* flag values are the same on all linux platforms */
943 ret = get_errno(shmget(first, second, third));
946 /* IPC_* and SHM_* command values are the same on all linux platforms */
952 ret = get_errno(shmctl(first, second, NULL));
960 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
967 /* kernel structure types definitions */
970 #define STRUCT(name, list...) STRUCT_ ## name,
971 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
973 #include "syscall_types.h"
976 #undef STRUCT_SPECIAL
978 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
979 #define STRUCT_SPECIAL(name)
980 #include "syscall_types.h"
982 #undef STRUCT_SPECIAL
984 typedef struct IOCTLEntry {
985 unsigned int target_cmd;
986 unsigned int host_cmd;
989 const argtype arg_type[5];
994 #define IOC_RW (IOC_R | IOC_W)
996 #define MAX_STRUCT_SIZE 4096
998 IOCTLEntry ioctl_entries[] = {
999 #define IOCTL(cmd, access, types...) \
1000 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1005 static long do_ioctl(long fd, long cmd, long arg)
1007 const IOCTLEntry *ie;
1008 const argtype *arg_type;
1010 uint8_t buf_temp[MAX_STRUCT_SIZE];
1014 if (ie->target_cmd == 0) {
1015 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1018 if (ie->target_cmd == cmd)
1022 arg_type = ie->arg_type;
1024 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1026 switch(arg_type[0]) {
1029 ret = get_errno(ioctl(fd, ie->host_cmd));
1034 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1038 switch(ie->access) {
1040 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1041 if (!is_error(ret)) {
1042 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
1046 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
1047 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1051 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
1052 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1053 if (!is_error(ret)) {
1054 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
1060 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1067 bitmask_transtbl iflag_tbl[] = {
1068 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1069 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1070 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1071 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1072 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1073 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1074 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1075 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1076 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1077 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1078 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1079 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1080 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1081 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1085 bitmask_transtbl oflag_tbl[] = {
1086 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1087 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1088 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1089 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1090 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1091 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1092 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1093 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1094 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1095 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1096 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1097 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1098 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1099 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1100 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1101 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1102 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1103 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1104 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1105 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1106 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1107 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1108 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1109 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1113 bitmask_transtbl cflag_tbl[] = {
1114 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1115 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1116 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1117 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1118 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1119 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1120 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1121 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1122 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1123 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1124 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1125 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1126 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1127 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1128 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1129 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1130 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1131 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1132 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1133 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1134 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1135 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1136 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1137 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1138 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1139 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1140 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1141 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1142 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1143 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1144 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1148 bitmask_transtbl lflag_tbl[] = {
1149 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1150 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1151 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1152 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1153 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1154 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1155 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1156 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1157 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1158 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1159 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1160 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1161 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1162 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1163 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1167 static void target_to_host_termios (void *dst, const void *src)
1169 struct host_termios *host = dst;
1170 const struct target_termios *target = src;
1173 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1175 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1177 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1179 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1180 host->c_line = target->c_line;
1182 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1183 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1184 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1185 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1186 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1187 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1188 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1189 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1190 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1191 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1192 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1193 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1194 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1195 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1196 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1197 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1198 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1201 static void host_to_target_termios (void *dst, const void *src)
1203 struct target_termios *target = dst;
1204 const struct host_termios *host = src;
1207 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1209 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1211 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1213 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1214 target->c_line = host->c_line;
1216 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1217 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1218 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1219 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1220 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1221 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1222 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1223 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1224 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1225 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1226 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1227 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1228 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1229 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1230 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1231 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1232 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1235 StructEntry struct_termios_def = {
1236 .convert = { host_to_target_termios, target_to_host_termios },
1237 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1238 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1241 static bitmask_transtbl mmap_flags_tbl[] = {
1242 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1243 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1244 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1245 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1246 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1247 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1248 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1249 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1253 static bitmask_transtbl fcntl_flags_tbl[] = {
1254 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1255 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1256 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1257 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1258 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1259 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1260 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1261 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1262 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1263 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1264 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1265 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1266 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1267 #if defined(O_DIRECT)
1268 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
1273 #if defined(TARGET_I386)
1275 /* NOTE: there is really one LDT for all the threads */
1278 static int read_ldt(void *ptr, unsigned long bytecount)
1284 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1285 if (size > bytecount)
1287 memcpy(ptr, ldt_table, size);
1291 /* XXX: add locking support */
1292 static int write_ldt(CPUX86State *env,
1293 void *ptr, unsigned long bytecount, int oldmode)
1295 struct target_modify_ldt_ldt_s ldt_info;
1296 int seg_32bit, contents, read_exec_only, limit_in_pages;
1297 int seg_not_present, useable;
1298 uint32_t *lp, entry_1, entry_2;
1300 if (bytecount != sizeof(ldt_info))
1302 memcpy(&ldt_info, ptr, sizeof(ldt_info));
1303 tswap32s(&ldt_info.entry_number);
1304 tswapls((long *)&ldt_info.base_addr);
1305 tswap32s(&ldt_info.limit);
1306 tswap32s(&ldt_info.flags);
1308 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1310 seg_32bit = ldt_info.flags & 1;
1311 contents = (ldt_info.flags >> 1) & 3;
1312 read_exec_only = (ldt_info.flags >> 3) & 1;
1313 limit_in_pages = (ldt_info.flags >> 4) & 1;
1314 seg_not_present = (ldt_info.flags >> 5) & 1;
1315 useable = (ldt_info.flags >> 6) & 1;
1317 if (contents == 3) {
1320 if (seg_not_present == 0)
1323 /* allocate the LDT */
1325 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1328 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1329 env->ldt.base = (long)ldt_table;
1330 env->ldt.limit = 0xffff;
1333 /* NOTE: same code as Linux kernel */
1334 /* Allow LDTs to be cleared by the user. */
1335 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1338 read_exec_only == 1 &&
1340 limit_in_pages == 0 &&
1341 seg_not_present == 1 &&
1349 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1350 (ldt_info.limit & 0x0ffff);
1351 entry_2 = (ldt_info.base_addr & 0xff000000) |
1352 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1353 (ldt_info.limit & 0xf0000) |
1354 ((read_exec_only ^ 1) << 9) |
1356 ((seg_not_present ^ 1) << 15) |
1358 (limit_in_pages << 23) |
1361 entry_2 |= (useable << 20);
1363 /* Install the new entry ... */
1365 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1366 lp[0] = tswap32(entry_1);
1367 lp[1] = tswap32(entry_2);
1371 /* specific and weird i386 syscalls */
1372 int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
1378 ret = read_ldt(ptr, bytecount);
1381 ret = write_ldt(env, ptr, bytecount, 1);
1384 ret = write_ldt(env, ptr, bytecount, 0);
1390 #endif /* defined(TARGET_I386) */
1392 /* this stack is the equivalent of the kernel stack associated with a
1394 #define NEW_STACK_SIZE 8192
1396 static int clone_func(void *arg)
1398 CPUState *env = arg;
1404 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1411 if (flags & CLONE_VM) {
1412 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1413 memset(ts, 0, sizeof(TaskState));
1414 new_stack = ts->stack;
1416 /* add in task state list */
1417 ts->next = first_task_state;
1418 first_task_state = ts;
1419 /* we create a new CPU instance. */
1420 new_env = cpu_init();
1421 memcpy(new_env, env, sizeof(CPUState));
1422 #if defined(TARGET_I386)
1424 newsp = env->regs[R_ESP];
1425 new_env->regs[R_ESP] = newsp;
1426 new_env->regs[R_EAX] = 0;
1427 #elif defined(TARGET_ARM)
1429 newsp = env->regs[13];
1430 new_env->regs[13] = newsp;
1431 new_env->regs[0] = 0;
1432 #elif defined(TARGET_SPARC)
1433 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1434 #elif defined(TARGET_PPC)
1436 newsp = env->gpr[1];
1437 new_env->gpr[1] = newsp;
1440 for (i = 7; i < 32; i++)
1441 new_env->gpr[i] = 0;
1444 #error unsupported target CPU
1446 new_env->opaque = ts;
1448 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1450 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1453 /* if no CLONE_VM, we consider it is a fork */
1454 if ((flags & ~CSIGNAL) != 0)
1461 static long do_fcntl(int fd, int cmd, unsigned long arg)
1464 struct target_flock *target_fl = (void *)arg;
1468 case TARGET_F_GETLK:
1469 ret = fcntl(fd, cmd, &fl);
1471 target_fl->l_type = tswap16(fl.l_type);
1472 target_fl->l_whence = tswap16(fl.l_whence);
1473 target_fl->l_start = tswapl(fl.l_start);
1474 target_fl->l_len = tswapl(fl.l_len);
1475 target_fl->l_pid = tswapl(fl.l_pid);
1479 case TARGET_F_SETLK:
1480 case TARGET_F_SETLKW:
1481 fl.l_type = tswap16(target_fl->l_type);
1482 fl.l_whence = tswap16(target_fl->l_whence);
1483 fl.l_start = tswapl(target_fl->l_start);
1484 fl.l_len = tswapl(target_fl->l_len);
1485 fl.l_pid = tswapl(target_fl->l_pid);
1486 ret = fcntl(fd, cmd, &fl);
1489 case TARGET_F_GETLK64:
1490 case TARGET_F_SETLK64:
1491 case TARGET_F_SETLKW64:
1497 ret = fcntl(fd, cmd, arg);
1498 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1502 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1506 ret = fcntl(fd, cmd, arg);
1514 static inline int high2lowuid(int uid)
1522 static inline int high2lowgid(int gid)
1530 static inline int low2highuid(int uid)
1532 if ((int16_t)uid == -1)
1538 static inline int low2highgid(int gid)
1540 if ((int16_t)gid == -1)
1546 #endif /* USE_UID16 */
1548 void syscall_init(void)
1551 const argtype *arg_type;
1554 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1555 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1556 #include "syscall_types.h"
1558 #undef STRUCT_SPECIAL
1560 /* we patch the ioctl size if necessary. We rely on the fact that
1561 no ioctl has all the bits at '1' in the size field */
1563 while (ie->target_cmd != 0) {
1564 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1565 TARGET_IOC_SIZEMASK) {
1566 arg_type = ie->arg_type;
1567 if (arg_type[0] != TYPE_PTR) {
1568 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1573 size = thunk_type_size(arg_type, 0);
1574 ie->target_cmd = (ie->target_cmd &
1575 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1576 (size << TARGET_IOC_SIZESHIFT);
1578 /* automatic consistency check if same arch */
1579 #if defined(__i386__) && defined(TARGET_I386)
1580 if (ie->target_cmd != ie->host_cmd) {
1581 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1582 ie->target_cmd, ie->host_cmd);
1589 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1590 long arg4, long arg5, long arg6)
1594 struct kernel_statfs *stfs;
1597 gemu_log("syscall %d", num);
1600 case TARGET_NR_exit:
1604 /* XXX: should free thread stack and CPU env */
1606 ret = 0; /* avoid warning */
1608 case TARGET_NR_read:
1609 page_unprotect_range((void *)arg2, arg3);
1610 ret = get_errno(read(arg1, (void *)arg2, arg3));
1612 case TARGET_NR_write:
1613 ret = get_errno(write(arg1, (void *)arg2, arg3));
1615 case TARGET_NR_open:
1616 ret = get_errno(open(path((const char *)arg1),
1617 target_to_host_bitmask(arg2, fcntl_flags_tbl),
1620 case TARGET_NR_close:
1621 ret = get_errno(close(arg1));
1624 ret = do_brk((char *)arg1);
1626 case TARGET_NR_fork:
1627 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1629 case TARGET_NR_waitpid:
1631 int *status = (int *)arg2;
1632 ret = get_errno(waitpid(arg1, status, arg3));
1633 if (!is_error(ret) && status)
1634 tswapls((long *)&status);
1637 case TARGET_NR_creat:
1638 ret = get_errno(creat((const char *)arg1, arg2));
1640 case TARGET_NR_link:
1641 ret = get_errno(link((const char *)arg1, (const char *)arg2));
1643 case TARGET_NR_unlink:
1644 ret = get_errno(unlink((const char *)arg1));
1646 case TARGET_NR_execve:
1648 char **argp, **envp;
1654 for (p = (void *)arg2; *p; p++)
1657 for (p = (void *)arg3; *p; p++)
1660 argp = alloca((argc + 1) * sizeof(void *));
1661 envp = alloca((envc + 1) * sizeof(void *));
1663 for (p = (void *)arg2, q = argp; *p; p++, q++)
1664 *q = (void *)tswap32(*p);
1667 for (p = (void *)arg3, q = envp; *p; p++, q++)
1668 *q = (void *)tswap32(*p);
1671 ret = get_errno(execve((const char *)arg1, argp, envp));
1674 case TARGET_NR_chdir:
1675 ret = get_errno(chdir((const char *)arg1));
1677 #ifdef TARGET_NR_time
1678 case TARGET_NR_time:
1680 int *time_ptr = (int *)arg1;
1681 ret = get_errno(time((time_t *)time_ptr));
1682 if (!is_error(ret) && time_ptr)
1687 case TARGET_NR_mknod:
1688 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1690 case TARGET_NR_chmod:
1691 ret = get_errno(chmod((const char *)arg1, arg2));
1693 #ifdef TARGET_NR_break
1694 case TARGET_NR_break:
1697 #ifdef TARGET_NR_oldstat
1698 case TARGET_NR_oldstat:
1701 case TARGET_NR_lseek:
1702 ret = get_errno(lseek(arg1, arg2, arg3));
1704 case TARGET_NR_getpid:
1705 ret = get_errno(getpid());
1707 case TARGET_NR_mount:
1708 /* need to look at the data field */
1710 case TARGET_NR_umount:
1711 ret = get_errno(umount((const char *)arg1));
1713 case TARGET_NR_stime:
1715 int *time_ptr = (int *)arg1;
1718 ret = get_errno(stime((time_t *)time_ptr));
1721 case TARGET_NR_ptrace:
1723 case TARGET_NR_alarm:
1726 #ifdef TARGET_NR_oldfstat
1727 case TARGET_NR_oldfstat:
1730 case TARGET_NR_pause:
1731 ret = get_errno(pause());
1733 case TARGET_NR_utime:
1735 struct utimbuf tbuf, *tbuf1;
1736 struct target_utimbuf *target_tbuf = (void *)arg2;
1738 get_user(tbuf.actime, &target_tbuf->actime);
1739 get_user(tbuf.modtime, &target_tbuf->modtime);
1744 ret = get_errno(utime((const char *)arg1, tbuf1));
1747 case TARGET_NR_utimes:
1749 struct target_timeval *target_tvp = (struct target_timeval *)arg2;
1750 struct timeval *tvp, tv[2];
1752 target_to_host_timeval(&tv[0], &target_tvp[0]);
1753 target_to_host_timeval(&tv[1], &target_tvp[1]);
1758 ret = get_errno(utimes((const char *)arg1, tvp));
1761 #ifdef TARGET_NR_stty
1762 case TARGET_NR_stty:
1765 #ifdef TARGET_NR_gtty
1766 case TARGET_NR_gtty:
1769 case TARGET_NR_access:
1770 ret = get_errno(access((const char *)arg1, arg2));
1772 case TARGET_NR_nice:
1773 ret = get_errno(nice(arg1));
1775 #ifdef TARGET_NR_ftime
1776 case TARGET_NR_ftime:
1779 case TARGET_NR_sync:
1783 case TARGET_NR_kill:
1784 ret = get_errno(kill(arg1, arg2));
1786 case TARGET_NR_rename:
1787 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1789 case TARGET_NR_mkdir:
1790 ret = get_errno(mkdir((const char *)arg1, arg2));
1792 case TARGET_NR_rmdir:
1793 ret = get_errno(rmdir((const char *)arg1));
1796 ret = get_errno(dup(arg1));
1798 case TARGET_NR_pipe:
1800 int *pipe_ptr = (int *)arg1;
1801 ret = get_errno(pipe(pipe_ptr));
1802 if (!is_error(ret)) {
1803 tswap32s(&pipe_ptr[0]);
1804 tswap32s(&pipe_ptr[1]);
1808 case TARGET_NR_times:
1810 struct target_tms *tmsp = (void *)arg1;
1812 ret = get_errno(times(&tms));
1814 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
1815 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
1816 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
1817 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
1820 ret = host_to_target_clock_t(ret);
1823 #ifdef TARGET_NR_prof
1824 case TARGET_NR_prof:
1827 case TARGET_NR_signal:
1830 case TARGET_NR_acct:
1832 case TARGET_NR_umount2:
1833 ret = get_errno(umount2((const char *)arg1, arg2));
1835 #ifdef TARGET_NR_lock
1836 case TARGET_NR_lock:
1839 case TARGET_NR_ioctl:
1840 ret = do_ioctl(arg1, arg2, arg3);
1842 case TARGET_NR_fcntl:
1843 ret = get_errno(do_fcntl(arg1, arg2, arg3));
1845 #ifdef TARGET_NR_mpx
1849 case TARGET_NR_setpgid:
1850 ret = get_errno(setpgid(arg1, arg2));
1852 #ifdef TARGET_NR_ulimit
1853 case TARGET_NR_ulimit:
1856 #ifdef TARGET_NR_oldolduname
1857 case TARGET_NR_oldolduname:
1860 case TARGET_NR_umask:
1861 ret = get_errno(umask(arg1));
1863 case TARGET_NR_chroot:
1864 ret = get_errno(chroot((const char *)arg1));
1866 case TARGET_NR_ustat:
1868 case TARGET_NR_dup2:
1869 ret = get_errno(dup2(arg1, arg2));
1871 case TARGET_NR_getppid:
1872 ret = get_errno(getppid());
1874 case TARGET_NR_getpgrp:
1875 ret = get_errno(getpgrp());
1877 case TARGET_NR_setsid:
1878 ret = get_errno(setsid());
1880 case TARGET_NR_sigaction:
1882 struct target_old_sigaction *old_act = (void *)arg2;
1883 struct target_old_sigaction *old_oact = (void *)arg3;
1884 struct target_sigaction act, oact, *pact;
1886 act._sa_handler = old_act->_sa_handler;
1887 target_siginitset(&act.sa_mask, old_act->sa_mask);
1888 act.sa_flags = old_act->sa_flags;
1889 act.sa_restorer = old_act->sa_restorer;
1894 ret = get_errno(do_sigaction(arg1, pact, &oact));
1895 if (!is_error(ret) && old_oact) {
1896 old_oact->_sa_handler = oact._sa_handler;
1897 old_oact->sa_mask = oact.sa_mask.sig[0];
1898 old_oact->sa_flags = oact.sa_flags;
1899 old_oact->sa_restorer = oact.sa_restorer;
1903 case TARGET_NR_rt_sigaction:
1904 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1906 case TARGET_NR_sgetmask:
1909 target_ulong target_set;
1910 sigprocmask(0, NULL, &cur_set);
1911 host_to_target_old_sigset(&target_set, &cur_set);
1915 case TARGET_NR_ssetmask:
1917 sigset_t set, oset, cur_set;
1918 target_ulong target_set = arg1;
1919 sigprocmask(0, NULL, &cur_set);
1920 target_to_host_old_sigset(&set, &target_set);
1921 sigorset(&set, &set, &cur_set);
1922 sigprocmask(SIG_SETMASK, &set, &oset);
1923 host_to_target_old_sigset(&target_set, &oset);
1927 case TARGET_NR_sigprocmask:
1930 sigset_t set, oldset, *set_ptr;
1931 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1935 case TARGET_SIG_BLOCK:
1938 case TARGET_SIG_UNBLOCK:
1941 case TARGET_SIG_SETMASK:
1948 target_to_host_old_sigset(&set, pset);
1954 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1955 if (!is_error(ret) && poldset) {
1956 host_to_target_old_sigset(poldset, &oldset);
1960 case TARGET_NR_rt_sigprocmask:
1963 sigset_t set, oldset, *set_ptr;
1964 target_sigset_t *pset = (void *)arg2;
1965 target_sigset_t *poldset = (void *)arg3;
1969 case TARGET_SIG_BLOCK:
1972 case TARGET_SIG_UNBLOCK:
1975 case TARGET_SIG_SETMASK:
1982 target_to_host_sigset(&set, pset);
1988 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1989 if (!is_error(ret) && poldset) {
1990 host_to_target_sigset(poldset, &oldset);
1994 case TARGET_NR_sigpending:
1997 ret = get_errno(sigpending(&set));
1998 if (!is_error(ret)) {
1999 host_to_target_old_sigset((target_ulong *)arg1, &set);
2003 case TARGET_NR_rt_sigpending:
2006 ret = get_errno(sigpending(&set));
2007 if (!is_error(ret)) {
2008 host_to_target_sigset((target_sigset_t *)arg1, &set);
2012 case TARGET_NR_sigsuspend:
2015 target_to_host_old_sigset(&set, (target_ulong *)arg1);
2016 ret = get_errno(sigsuspend(&set));
2019 case TARGET_NR_rt_sigsuspend:
2022 target_to_host_sigset(&set, (target_sigset_t *)arg1);
2023 ret = get_errno(sigsuspend(&set));
2026 case TARGET_NR_rt_sigtimedwait:
2028 target_sigset_t *target_set = (void *)arg1;
2029 target_siginfo_t *target_uinfo = (void *)arg2;
2030 struct target_timespec *target_uts = (void *)arg3;
2032 struct timespec uts, *puts;
2035 target_to_host_sigset(&set, target_set);
2038 puts->tv_sec = tswapl(target_uts->tv_sec);
2039 puts->tv_nsec = tswapl(target_uts->tv_nsec);
2043 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
2044 if (!is_error(ret) && target_uinfo) {
2045 host_to_target_siginfo(target_uinfo, &uinfo);
2049 case TARGET_NR_rt_sigqueueinfo:
2052 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
2053 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2056 case TARGET_NR_sigreturn:
2057 /* NOTE: ret is eax, so not transcoding must be done */
2058 ret = do_sigreturn(cpu_env);
2060 case TARGET_NR_rt_sigreturn:
2061 /* NOTE: ret is eax, so not transcoding must be done */
2062 ret = do_rt_sigreturn(cpu_env);
2064 case TARGET_NR_sethostname:
2065 ret = get_errno(sethostname((const char *)arg1, arg2));
2067 case TARGET_NR_setrlimit:
2069 /* XXX: convert resource ? */
2070 int resource = arg1;
2071 struct target_rlimit *target_rlim = (void *)arg2;
2073 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2074 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2075 ret = get_errno(setrlimit(resource, &rlim));
2078 case TARGET_NR_getrlimit:
2080 /* XXX: convert resource ? */
2081 int resource = arg1;
2082 struct target_rlimit *target_rlim = (void *)arg2;
2085 ret = get_errno(getrlimit(resource, &rlim));
2086 if (!is_error(ret)) {
2087 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2088 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2092 case TARGET_NR_getrusage:
2094 struct rusage rusage;
2095 struct target_rusage *target_rusage = (void *)arg2;
2096 ret = get_errno(getrusage(arg1, &rusage));
2097 if (!is_error(ret)) {
2098 host_to_target_rusage(target_rusage, &rusage);
2102 case TARGET_NR_gettimeofday:
2104 struct target_timeval *target_tv = (void *)arg1;
2106 ret = get_errno(gettimeofday(&tv, NULL));
2107 if (!is_error(ret)) {
2108 host_to_target_timeval(target_tv, &tv);
2112 case TARGET_NR_settimeofday:
2114 struct target_timeval *target_tv = (void *)arg1;
2116 target_to_host_timeval(&tv, target_tv);
2117 ret = get_errno(settimeofday(&tv, NULL));
2120 case TARGET_NR_select:
2122 struct target_sel_arg_struct *sel = (void *)arg1;
2123 sel->n = tswapl(sel->n);
2124 sel->inp = tswapl(sel->inp);
2125 sel->outp = tswapl(sel->outp);
2126 sel->exp = tswapl(sel->exp);
2127 sel->tvp = tswapl(sel->tvp);
2128 ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp,
2129 (void *)sel->exp, (void *)sel->tvp);
2132 case TARGET_NR_symlink:
2133 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
2135 #ifdef TARGET_NR_oldlstat
2136 case TARGET_NR_oldlstat:
2139 case TARGET_NR_readlink:
2140 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
2142 case TARGET_NR_uselib:
2144 case TARGET_NR_swapon:
2145 ret = get_errno(swapon((const char *)arg1, arg2));
2147 case TARGET_NR_reboot:
2149 case TARGET_NR_readdir:
2151 case TARGET_NR_mmap:
2152 #if defined(TARGET_I386) || defined(TARGET_ARM)
2154 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
2155 vptr = (uint32_t *)arg1;
2156 v1 = tswap32(vptr[0]);
2157 v2 = tswap32(vptr[1]);
2158 v3 = tswap32(vptr[2]);
2159 v4 = tswap32(vptr[3]);
2160 v5 = tswap32(vptr[4]);
2161 v6 = tswap32(vptr[5]);
2162 ret = get_errno(target_mmap(v1, v2, v3,
2163 target_to_host_bitmask(v4, mmap_flags_tbl),
2167 ret = get_errno(target_mmap(arg1, arg2, arg3,
2168 target_to_host_bitmask(arg4, mmap_flags_tbl),
2173 #ifdef TARGET_NR_mmap2
2174 case TARGET_NR_mmap2:
2175 #if defined(TARGET_SPARC)
2176 #define MMAP_SHIFT 12
2178 #define MMAP_SHIFT TARGET_PAGE_BITS
2180 ret = get_errno(target_mmap(arg1, arg2, arg3,
2181 target_to_host_bitmask(arg4, mmap_flags_tbl),
2183 arg6 << MMAP_SHIFT));
2186 case TARGET_NR_munmap:
2187 ret = get_errno(target_munmap(arg1, arg2));
2189 case TARGET_NR_mprotect:
2190 ret = get_errno(target_mprotect(arg1, arg2, arg3));
2192 case TARGET_NR_mremap:
2193 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2195 case TARGET_NR_msync:
2196 ret = get_errno(msync((void *)arg1, arg2, arg3));
2198 case TARGET_NR_mlock:
2199 ret = get_errno(mlock((void *)arg1, arg2));
2201 case TARGET_NR_munlock:
2202 ret = get_errno(munlock((void *)arg1, arg2));
2204 case TARGET_NR_mlockall:
2205 ret = get_errno(mlockall(arg1));
2207 case TARGET_NR_munlockall:
2208 ret = get_errno(munlockall());
2210 case TARGET_NR_truncate:
2211 ret = get_errno(truncate((const char *)arg1, arg2));
2213 case TARGET_NR_ftruncate:
2214 ret = get_errno(ftruncate(arg1, arg2));
2216 case TARGET_NR_fchmod:
2217 ret = get_errno(fchmod(arg1, arg2));
2219 case TARGET_NR_getpriority:
2220 ret = get_errno(getpriority(arg1, arg2));
2222 case TARGET_NR_setpriority:
2223 ret = get_errno(setpriority(arg1, arg2, arg3));
2225 #ifdef TARGET_NR_profil
2226 case TARGET_NR_profil:
2229 case TARGET_NR_statfs:
2230 stfs = (void *)arg2;
2231 ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
2233 if (!is_error(ret)) {
2234 tswap32s(&stfs->f_type);
2235 tswap32s(&stfs->f_bsize);
2236 tswap32s(&stfs->f_blocks);
2237 tswap32s(&stfs->f_bfree);
2238 tswap32s(&stfs->f_bavail);
2239 tswap32s(&stfs->f_files);
2240 tswap32s(&stfs->f_ffree);
2241 tswap32s(&stfs->f_fsid.val[0]);
2242 tswap32s(&stfs->f_fsid.val[1]);
2243 tswap32s(&stfs->f_namelen);
2246 case TARGET_NR_fstatfs:
2247 stfs = (void *)arg2;
2248 ret = get_errno(sys_fstatfs(arg1, stfs));
2249 goto convert_statfs;
2250 #ifdef TARGET_NR_ioperm
2251 case TARGET_NR_ioperm:
2254 case TARGET_NR_socketcall:
2255 ret = do_socketcall(arg1, (int32_t *)arg2);
2257 case TARGET_NR_syslog:
2259 case TARGET_NR_setitimer:
2261 struct target_itimerval *target_value = (void *)arg2;
2262 struct target_itimerval *target_ovalue = (void *)arg3;
2263 struct itimerval value, ovalue, *pvalue;
2267 target_to_host_timeval(&pvalue->it_interval,
2268 &target_value->it_interval);
2269 target_to_host_timeval(&pvalue->it_value,
2270 &target_value->it_value);
2274 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
2275 if (!is_error(ret) && target_ovalue) {
2276 host_to_target_timeval(&target_ovalue->it_interval,
2277 &ovalue.it_interval);
2278 host_to_target_timeval(&target_ovalue->it_value,
2283 case TARGET_NR_getitimer:
2285 struct target_itimerval *target_value = (void *)arg2;
2286 struct itimerval value;
2288 ret = get_errno(getitimer(arg1, &value));
2289 if (!is_error(ret) && target_value) {
2290 host_to_target_timeval(&target_value->it_interval,
2291 &value.it_interval);
2292 host_to_target_timeval(&target_value->it_value,
2297 case TARGET_NR_stat:
2298 ret = get_errno(stat(path((const char *)arg1), &st));
2300 case TARGET_NR_lstat:
2301 ret = get_errno(lstat(path((const char *)arg1), &st));
2303 case TARGET_NR_fstat:
2305 ret = get_errno(fstat(arg1, &st));
2307 if (!is_error(ret)) {
2308 struct target_stat *target_st = (void *)arg2;
2309 target_st->st_dev = tswap16(st.st_dev);
2310 target_st->st_ino = tswapl(st.st_ino);
2311 #if defined(TARGET_PPC)
2312 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
2313 target_st->st_uid = tswap32(st.st_uid);
2314 target_st->st_gid = tswap32(st.st_gid);
2316 target_st->st_mode = tswap16(st.st_mode);
2317 target_st->st_uid = tswap16(st.st_uid);
2318 target_st->st_gid = tswap16(st.st_gid);
2320 target_st->st_nlink = tswap16(st.st_nlink);
2321 target_st->st_rdev = tswap16(st.st_rdev);
2322 target_st->st_size = tswapl(st.st_size);
2323 target_st->st_blksize = tswapl(st.st_blksize);
2324 target_st->st_blocks = tswapl(st.st_blocks);
2325 target_st->target_st_atime = tswapl(st.st_atime);
2326 target_st->target_st_mtime = tswapl(st.st_mtime);
2327 target_st->target_st_ctime = tswapl(st.st_ctime);
2331 #ifdef TARGET_NR_olduname
2332 case TARGET_NR_olduname:
2335 #ifdef TARGET_NR_iopl
2336 case TARGET_NR_iopl:
2339 case TARGET_NR_vhangup:
2340 ret = get_errno(vhangup());
2342 #ifdef TARGET_NR_idle
2343 case TARGET_NR_idle:
2346 #ifdef TARGET_NR_syscall
2347 case TARGET_NR_syscall:
2348 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
2351 case TARGET_NR_wait4:
2354 target_long *status_ptr = (void *)arg2;
2355 struct rusage rusage, *rusage_ptr;
2356 struct target_rusage *target_rusage = (void *)arg4;
2358 rusage_ptr = &rusage;
2361 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
2362 if (!is_error(ret)) {
2364 *status_ptr = tswap32(status);
2365 if (target_rusage) {
2366 host_to_target_rusage(target_rusage, &rusage);
2371 case TARGET_NR_swapoff:
2372 ret = get_errno(swapoff((const char *)arg1));
2374 case TARGET_NR_sysinfo:
2376 struct target_sysinfo *target_value = (void *)arg1;
2377 struct sysinfo value;
2378 ret = get_errno(sysinfo(&value));
2379 if (!is_error(ret) && target_value)
2381 __put_user(value.uptime, &target_value->uptime);
2382 __put_user(value.loads[0], &target_value->loads[0]);
2383 __put_user(value.loads[1], &target_value->loads[1]);
2384 __put_user(value.loads[2], &target_value->loads[2]);
2385 __put_user(value.totalram, &target_value->totalram);
2386 __put_user(value.freeram, &target_value->freeram);
2387 __put_user(value.sharedram, &target_value->sharedram);
2388 __put_user(value.bufferram, &target_value->bufferram);
2389 __put_user(value.totalswap, &target_value->totalswap);
2390 __put_user(value.freeswap, &target_value->freeswap);
2391 __put_user(value.procs, &target_value->procs);
2392 __put_user(value.totalhigh, &target_value->totalhigh);
2393 __put_user(value.freehigh, &target_value->freehigh);
2394 __put_user(value.mem_unit, &target_value->mem_unit);
2399 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
2401 case TARGET_NR_fsync:
2402 ret = get_errno(fsync(arg1));
2404 case TARGET_NR_clone:
2405 ret = get_errno(do_fork(cpu_env, arg1, arg2));
2407 #ifdef __NR_exit_group
2408 /* new thread calls */
2409 case TARGET_NR_exit_group:
2410 ret = get_errno(exit_group(arg1));
2413 case TARGET_NR_setdomainname:
2414 ret = get_errno(setdomainname((const char *)arg1, arg2));
2416 case TARGET_NR_uname:
2417 /* no need to transcode because we use the linux syscall */
2419 struct new_utsname * buf;
2421 buf = (struct new_utsname *)arg1;
2422 ret = get_errno(sys_uname(buf));
2423 if (!is_error(ret)) {
2424 /* Overrite the native machine name with whatever is being
2426 strcpy (buf->machine, UNAME_MACHINE);
2431 case TARGET_NR_modify_ldt:
2432 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
2434 case TARGET_NR_vm86old:
2436 case TARGET_NR_vm86:
2437 ret = do_vm86(cpu_env, arg1, (void *)arg2);
2440 case TARGET_NR_adjtimex:
2442 case TARGET_NR_create_module:
2443 case TARGET_NR_init_module:
2444 case TARGET_NR_delete_module:
2445 case TARGET_NR_get_kernel_syms:
2447 case TARGET_NR_quotactl:
2449 case TARGET_NR_getpgid:
2450 ret = get_errno(getpgid(arg1));
2452 case TARGET_NR_fchdir:
2453 ret = get_errno(fchdir(arg1));
2455 case TARGET_NR_bdflush:
2457 case TARGET_NR_sysfs:
2459 case TARGET_NR_personality:
2460 ret = get_errno(personality(arg1));
2462 case TARGET_NR_afs_syscall:
2464 case TARGET_NR__llseek:
2466 #if defined (__x86_64__)
2467 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2468 *(int64_t *)arg4 = ret;
2471 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2472 *(int64_t *)arg4 = tswap64(res);
2476 case TARGET_NR_getdents:
2477 #if TARGET_LONG_SIZE != 4
2478 #warning not supported
2479 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
2481 struct target_dirent *target_dirp = (void *)arg2;
2482 struct dirent *dirp;
2485 dirp = malloc(count);
2489 ret = get_errno(sys_getdents(arg1, dirp, count));
2490 if (!is_error(ret)) {
2492 struct target_dirent *tde;
2494 int reclen, treclen;
2495 int count1, tnamelen;
2501 reclen = de->d_reclen;
2502 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
2503 tde->d_reclen = tswap16(treclen);
2504 tde->d_ino = tswapl(de->d_ino);
2505 tde->d_off = tswapl(de->d_off);
2506 tnamelen = treclen - (2 * sizeof(target_long) + 2);
2509 /* XXX: may not be correct */
2510 strncpy(tde->d_name, de->d_name, tnamelen);
2511 de = (struct dirent *)((char *)de + reclen);
2513 tde = (struct dirent *)((char *)tde + treclen);
2522 struct dirent *dirp = (void *)arg2;
2525 ret = get_errno(sys_getdents(arg1, dirp, count));
2526 if (!is_error(ret)) {
2532 reclen = de->d_reclen;
2535 de->d_reclen = tswap16(reclen);
2536 tswapls(&de->d_ino);
2537 tswapls(&de->d_off);
2538 de = (struct dirent *)((char *)de + reclen);
2545 #ifdef TARGET_NR_getdents64
2546 case TARGET_NR_getdents64:
2548 struct dirent64 *dirp = (void *)arg2;
2550 ret = get_errno(sys_getdents64(arg1, dirp, count));
2551 if (!is_error(ret)) {
2552 struct dirent64 *de;
2557 reclen = de->d_reclen;
2560 de->d_reclen = tswap16(reclen);
2561 tswap64s(&de->d_ino);
2562 tswap64s(&de->d_off);
2563 de = (struct dirent64 *)((char *)de + reclen);
2569 #endif /* TARGET_NR_getdents64 */
2570 case TARGET_NR__newselect:
2571 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
2574 case TARGET_NR_poll:
2576 struct target_pollfd *target_pfd = (void *)arg1;
2577 unsigned int nfds = arg2;
2582 pfd = alloca(sizeof(struct pollfd) * nfds);
2583 for(i = 0; i < nfds; i++) {
2584 pfd[i].fd = tswap32(target_pfd[i].fd);
2585 pfd[i].events = tswap16(target_pfd[i].events);
2587 ret = get_errno(poll(pfd, nfds, timeout));
2588 if (!is_error(ret)) {
2589 for(i = 0; i < nfds; i++) {
2590 target_pfd[i].revents = tswap16(pfd[i].revents);
2595 case TARGET_NR_flock:
2596 /* NOTE: the flock constant seems to be the same for every
2598 ret = get_errno(flock(arg1, arg2));
2600 case TARGET_NR_readv:
2605 struct target_iovec *target_vec = (void *)arg2;
2607 vec = alloca(count * sizeof(struct iovec));
2608 for(i = 0;i < count; i++) {
2609 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2610 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2612 ret = get_errno(readv(arg1, vec, count));
2615 case TARGET_NR_writev:
2620 struct target_iovec *target_vec = (void *)arg2;
2622 vec = alloca(count * sizeof(struct iovec));
2623 for(i = 0;i < count; i++) {
2624 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2625 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2627 ret = get_errno(writev(arg1, vec, count));
2630 case TARGET_NR_getsid:
2631 ret = get_errno(getsid(arg1));
2633 case TARGET_NR_fdatasync:
2634 ret = get_errno(fdatasync(arg1));
2636 case TARGET_NR__sysctl:
2637 /* We don't implement this, but ENODIR is always a safe
2640 case TARGET_NR_sched_setparam:
2642 struct sched_param *target_schp = (void *)arg2;
2643 struct sched_param schp;
2644 schp.sched_priority = tswap32(target_schp->sched_priority);
2645 ret = get_errno(sched_setparam(arg1, &schp));
2648 case TARGET_NR_sched_getparam:
2650 struct sched_param *target_schp = (void *)arg2;
2651 struct sched_param schp;
2652 ret = get_errno(sched_getparam(arg1, &schp));
2653 if (!is_error(ret)) {
2654 target_schp->sched_priority = tswap32(schp.sched_priority);
2658 case TARGET_NR_sched_setscheduler:
2660 struct sched_param *target_schp = (void *)arg3;
2661 struct sched_param schp;
2662 schp.sched_priority = tswap32(target_schp->sched_priority);
2663 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2666 case TARGET_NR_sched_getscheduler:
2667 ret = get_errno(sched_getscheduler(arg1));
2669 case TARGET_NR_sched_yield:
2670 ret = get_errno(sched_yield());
2672 case TARGET_NR_sched_get_priority_max:
2673 ret = get_errno(sched_get_priority_max(arg1));
2675 case TARGET_NR_sched_get_priority_min:
2676 ret = get_errno(sched_get_priority_min(arg1));
2678 case TARGET_NR_sched_rr_get_interval:
2680 struct target_timespec *target_ts = (void *)arg2;
2682 ret = get_errno(sched_rr_get_interval(arg1, &ts));
2683 if (!is_error(ret)) {
2684 target_ts->tv_sec = tswapl(ts.tv_sec);
2685 target_ts->tv_nsec = tswapl(ts.tv_nsec);
2689 case TARGET_NR_nanosleep:
2691 struct target_timespec *target_req = (void *)arg1;
2692 struct target_timespec *target_rem = (void *)arg2;
2693 struct timespec req, rem;
2694 req.tv_sec = tswapl(target_req->tv_sec);
2695 req.tv_nsec = tswapl(target_req->tv_nsec);
2696 ret = get_errno(nanosleep(&req, &rem));
2697 if (is_error(ret) && target_rem) {
2698 target_rem->tv_sec = tswapl(rem.tv_sec);
2699 target_rem->tv_nsec = tswapl(rem.tv_nsec);
2703 case TARGET_NR_query_module:
2705 case TARGET_NR_nfsservctl:
2707 case TARGET_NR_prctl:
2709 #ifdef TARGET_NR_pread
2710 case TARGET_NR_pread:
2711 page_unprotect_range((void *)arg2, arg3);
2712 ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
2714 case TARGET_NR_pwrite:
2715 ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
2718 case TARGET_NR_getcwd:
2719 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
2721 case TARGET_NR_capget:
2723 case TARGET_NR_capset:
2725 case TARGET_NR_sigaltstack:
2727 case TARGET_NR_sendfile:
2729 #ifdef TARGET_NR_getpmsg
2730 case TARGET_NR_getpmsg:
2733 #ifdef TARGET_NR_putpmsg
2734 case TARGET_NR_putpmsg:
2737 case TARGET_NR_vfork:
2738 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
2740 #ifdef TARGET_NR_ugetrlimit
2741 case TARGET_NR_ugetrlimit:
2744 ret = get_errno(getrlimit(arg1, &rlim));
2745 if (!is_error(ret)) {
2746 struct target_rlimit *target_rlim = (void *)arg2;
2747 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2748 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2753 #ifdef TARGET_NR_truncate64
2754 case TARGET_NR_truncate64:
2757 #ifdef TARGET_NR_ftruncate64
2758 case TARGET_NR_ftruncate64:
2761 #ifdef TARGET_NR_stat64
2762 case TARGET_NR_stat64:
2763 ret = get_errno(stat(path((const char *)arg1), &st));
2766 #ifdef TARGET_NR_lstat64
2767 case TARGET_NR_lstat64:
2768 ret = get_errno(lstat(path((const char *)arg1), &st));
2771 #ifdef TARGET_NR_fstat64
2772 case TARGET_NR_fstat64:
2774 ret = get_errno(fstat(arg1, &st));
2776 if (!is_error(ret)) {
2777 struct target_stat64 *target_st = (void *)arg2;
2778 memset(target_st, 0, sizeof(struct target_stat64));
2779 put_user(st.st_dev, &target_st->st_dev);
2780 put_user(st.st_ino, &target_st->st_ino);
2781 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
2782 put_user(st.st_ino, &target_st->__st_ino);
2784 put_user(st.st_mode, &target_st->st_mode);
2785 put_user(st.st_nlink, &target_st->st_nlink);
2786 put_user(st.st_uid, &target_st->st_uid);
2787 put_user(st.st_gid, &target_st->st_gid);
2788 put_user(st.st_rdev, &target_st->st_rdev);
2789 /* XXX: better use of kernel struct */
2790 put_user(st.st_size, &target_st->st_size);
2791 put_user(st.st_blksize, &target_st->st_blksize);
2792 put_user(st.st_blocks, &target_st->st_blocks);
2793 put_user(st.st_atime, &target_st->target_st_atime);
2794 put_user(st.st_mtime, &target_st->target_st_mtime);
2795 put_user(st.st_ctime, &target_st->target_st_ctime);
2801 case TARGET_NR_lchown:
2802 ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
2804 case TARGET_NR_getuid:
2805 ret = get_errno(high2lowuid(getuid()));
2807 case TARGET_NR_getgid:
2808 ret = get_errno(high2lowgid(getgid()));
2810 case TARGET_NR_geteuid:
2811 ret = get_errno(high2lowuid(geteuid()));
2813 case TARGET_NR_getegid:
2814 ret = get_errno(high2lowgid(getegid()));
2816 case TARGET_NR_setreuid:
2817 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
2819 case TARGET_NR_setregid:
2820 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
2822 case TARGET_NR_getgroups:
2824 int gidsetsize = arg1;
2825 uint16_t *target_grouplist = (void *)arg2;
2829 grouplist = alloca(gidsetsize * sizeof(gid_t));
2830 ret = get_errno(getgroups(gidsetsize, grouplist));
2831 if (!is_error(ret)) {
2832 for(i = 0;i < gidsetsize; i++)
2833 target_grouplist[i] = tswap16(grouplist[i]);
2837 case TARGET_NR_setgroups:
2839 int gidsetsize = arg1;
2840 uint16_t *target_grouplist = (void *)arg2;
2844 grouplist = alloca(gidsetsize * sizeof(gid_t));
2845 for(i = 0;i < gidsetsize; i++)
2846 grouplist[i] = tswap16(target_grouplist[i]);
2847 ret = get_errno(setgroups(gidsetsize, grouplist));
2850 case TARGET_NR_fchown:
2851 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
2853 #ifdef TARGET_NR_setresuid
2854 case TARGET_NR_setresuid:
2855 ret = get_errno(setresuid(low2highuid(arg1),
2857 low2highuid(arg3)));
2860 #ifdef TARGET_NR_getresuid
2861 case TARGET_NR_getresuid:
2863 int ruid, euid, suid;
2864 ret = get_errno(getresuid(&ruid, &euid, &suid));
2865 if (!is_error(ret)) {
2866 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2867 *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2868 *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2873 #ifdef TARGET_NR_getresgid
2874 case TARGET_NR_setresgid:
2875 ret = get_errno(setresgid(low2highgid(arg1),
2877 low2highgid(arg3)));
2880 #ifdef TARGET_NR_getresgid
2881 case TARGET_NR_getresgid:
2883 int rgid, egid, sgid;
2884 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2885 if (!is_error(ret)) {
2886 *(uint16_t *)arg1 = tswap16(high2lowgid(rgid));
2887 *(uint16_t *)arg2 = tswap16(high2lowgid(egid));
2888 *(uint16_t *)arg3 = tswap16(high2lowgid(sgid));
2893 case TARGET_NR_chown:
2894 ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
2896 case TARGET_NR_setuid:
2897 ret = get_errno(setuid(low2highuid(arg1)));
2899 case TARGET_NR_setgid:
2900 ret = get_errno(setgid(low2highgid(arg1)));
2902 case TARGET_NR_setfsuid:
2903 ret = get_errno(setfsuid(arg1));
2905 case TARGET_NR_setfsgid:
2906 ret = get_errno(setfsgid(arg1));
2908 #endif /* USE_UID16 */
2910 #ifdef TARGET_NR_lchown32
2911 case TARGET_NR_lchown32:
2912 ret = get_errno(lchown((const char *)arg1, arg2, arg3));
2915 #ifdef TARGET_NR_getuid32
2916 case TARGET_NR_getuid32:
2917 ret = get_errno(getuid());
2920 #ifdef TARGET_NR_getgid32
2921 case TARGET_NR_getgid32:
2922 ret = get_errno(getgid());
2925 #ifdef TARGET_NR_geteuid32
2926 case TARGET_NR_geteuid32:
2927 ret = get_errno(geteuid());
2930 #ifdef TARGET_NR_getegid32
2931 case TARGET_NR_getegid32:
2932 ret = get_errno(getegid());
2935 #ifdef TARGET_NR_setreuid32
2936 case TARGET_NR_setreuid32:
2937 ret = get_errno(setreuid(arg1, arg2));
2940 #ifdef TARGET_NR_setregid32
2941 case TARGET_NR_setregid32:
2942 ret = get_errno(setregid(arg1, arg2));
2945 #ifdef TARGET_NR_getgroups32
2946 case TARGET_NR_getgroups32:
2949 #ifdef TARGET_NR_setgroups32
2950 case TARGET_NR_setgroups32:
2953 #ifdef TARGET_NR_fchown32
2954 case TARGET_NR_fchown32:
2955 ret = get_errno(fchown(arg1, arg2, arg3));
2958 #ifdef TARGET_NR_setresuid32
2959 case TARGET_NR_setresuid32:
2960 ret = get_errno(setresuid(arg1, arg2, arg3));
2963 #ifdef TARGET_NR_getresuid32
2964 case TARGET_NR_getresuid32:
2966 int ruid, euid, suid;
2967 ret = get_errno(getresuid(&ruid, &euid, &suid));
2968 if (!is_error(ret)) {
2969 *(uint32_t *)arg1 = tswap32(ruid);
2970 *(uint32_t *)arg2 = tswap32(euid);
2971 *(uint32_t *)arg3 = tswap32(suid);
2976 #ifdef TARGET_NR_setresgid32
2977 case TARGET_NR_setresgid32:
2978 ret = get_errno(setresgid(arg1, arg2, arg3));
2981 #ifdef TARGET_NR_getresgid32
2982 case TARGET_NR_getresgid32:
2984 int rgid, egid, sgid;
2985 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2986 if (!is_error(ret)) {
2987 *(uint32_t *)arg1 = tswap32(rgid);
2988 *(uint32_t *)arg2 = tswap32(egid);
2989 *(uint32_t *)arg3 = tswap32(sgid);
2994 #ifdef TARGET_NR_chown32
2995 case TARGET_NR_chown32:
2996 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2999 #ifdef TARGET_NR_setuid32
3000 case TARGET_NR_setuid32:
3001 ret = get_errno(setuid(arg1));
3004 #ifdef TARGET_NR_setgid32
3005 case TARGET_NR_setgid32:
3006 ret = get_errno(setgid(arg1));
3009 #ifdef TARGET_NR_setfsuid32
3010 case TARGET_NR_setfsuid32:
3011 ret = get_errno(setfsuid(arg1));
3014 #ifdef TARGET_NR_setfsgid32
3015 case TARGET_NR_setfsgid32:
3016 ret = get_errno(setfsgid(arg1));
3020 case TARGET_NR_pivot_root:
3022 #ifdef TARGET_NR_mincore
3023 case TARGET_NR_mincore:
3026 #ifdef TARGET_NR_madvise
3027 case TARGET_NR_madvise:
3030 #if TARGET_LONG_BITS == 32
3031 case TARGET_NR_fcntl64:
3034 struct target_flock64 *target_fl = (void *)arg3;
3038 ret = get_errno(fcntl(arg1, arg2, &fl));
3040 target_fl->l_type = tswap16(fl.l_type);
3041 target_fl->l_whence = tswap16(fl.l_whence);
3042 target_fl->l_start = tswap64(fl.l_start);
3043 target_fl->l_len = tswap64(fl.l_len);
3044 target_fl->l_pid = tswapl(fl.l_pid);
3050 fl.l_type = tswap16(target_fl->l_type);
3051 fl.l_whence = tswap16(target_fl->l_whence);
3052 fl.l_start = tswap64(target_fl->l_start);
3053 fl.l_len = tswap64(target_fl->l_len);
3054 fl.l_pid = tswapl(target_fl->l_pid);
3055 ret = get_errno(fcntl(arg1, arg2, &fl));
3058 ret = get_errno(do_fcntl(arg1, arg2, arg3));
3064 #ifdef TARGET_NR_security
3065 case TARGET_NR_security:
3068 #ifdef TARGET_NR_getpagesize
3069 case TARGET_NR_getpagesize:
3070 ret = TARGET_PAGE_SIZE;
3073 case TARGET_NR_gettid:
3074 ret = get_errno(gettid());
3076 case TARGET_NR_readahead:
3078 #ifdef TARGET_NR_setxattr
3079 case TARGET_NR_setxattr:
3080 case TARGET_NR_lsetxattr:
3081 case TARGET_NR_fsetxattr:
3082 case TARGET_NR_getxattr:
3083 case TARGET_NR_lgetxattr:
3084 case TARGET_NR_fgetxattr:
3085 case TARGET_NR_listxattr:
3086 case TARGET_NR_llistxattr:
3087 case TARGET_NR_flistxattr:
3088 case TARGET_NR_removexattr:
3089 case TARGET_NR_lremovexattr:
3090 case TARGET_NR_fremovexattr:
3091 goto unimplemented_nowarn;
3093 #ifdef TARGET_NR_set_thread_area
3094 case TARGET_NR_set_thread_area:
3095 case TARGET_NR_get_thread_area:
3096 goto unimplemented_nowarn;
3100 gemu_log("qemu: Unsupported syscall: %d\n", num);
3101 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area)
3102 unimplemented_nowarn:
3109 gemu_log(" = %ld\n", ret);