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.
29 #include <sys/types.h>
33 #include <sys/mount.h>
34 #include <sys/resource.h>
39 #include <sys/socket.h>
41 //#include <sys/user.h>
43 #define termios host_termios
44 #define winsize host_winsize
45 #define termio host_termio
46 #define sgttyb host_sgttyb /* same as target */
47 #define tchars host_tchars /* same as target */
48 #define ltchars host_ltchars /* same as target */
50 #include <linux/termios.h>
51 #include <linux/unistd.h>
52 #include <linux/utsname.h>
53 #include <linux/cdrom.h>
54 #include <linux/hdreg.h>
55 #include <linux/soundcard.h>
62 #define PAGE_SIZE 4096
63 #define PAGE_MASK ~(PAGE_SIZE - 1)
69 unsigned short d_reclen;
70 char d_name[256]; /* We must not include limits.h! */
73 //#include <linux/msdos_fs.h>
74 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
75 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
77 #include "syscall_defs.h"
81 #include "syscall-i386.h"
84 #define __NR_sys_uname __NR_uname
85 #define __NR_sys_getcwd1 __NR_getcwd
86 #define __NR_sys_statfs __NR_statfs
87 #define __NR_sys_fstatfs __NR_fstatfs
88 #define __NR_sys_getdents __NR_getdents
91 _syscall0(int, gettid)
93 static int gettid(void) {
97 _syscall1(int,sys_uname,struct new_utsname *,buf)
98 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
99 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
100 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
101 loff_t *, res, uint, wh);
102 _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
103 _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
105 static inline long get_errno(long ret)
113 static inline int is_error(long ret)
115 return (unsigned long)ret >= (unsigned long)(-4096);
118 static char *target_brk;
119 static char *target_original_brk;
121 void target_set_brk(char *new_brk)
123 target_brk = new_brk;
124 target_original_brk = new_brk;
127 static long do_brk(char *new_brk)
134 return (long)target_brk;
135 if (new_brk < target_original_brk)
138 brk_page = (char *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK);
140 /* If the new brk is less than this, set it and we're done... */
141 if (new_brk < brk_page) {
142 target_brk = new_brk;
143 return (long)target_brk;
146 /* We need to allocate more memory after the brk... */
147 new_alloc_size = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK;
148 mapped_addr = get_errno((long)mmap((caddr_t)brk_page, new_alloc_size,
149 PROT_READ|PROT_WRITE,
150 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
152 if (is_error(mapped_addr)) {
155 target_brk = new_brk;
156 return (long)target_brk;
160 static inline fd_set *target_to_host_fds(fd_set *fds,
161 target_long *target_fds, int n)
163 #if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN)
164 return (fd_set *)target_fds;
169 for(i = 0;i < n; i++) {
170 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
171 (i & (TARGET_LONG_BITS - 1))) & 1;
182 static inline void host_to_target_fds(target_long *target_fds,
185 #if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN)
192 nw = n / TARGET_LONG_BITS;
194 for(i = 0;i < nw; i++) {
196 for(j = 0; j < TARGET_LONG_BITS; j++) {
197 v |= ((FD_ISSET(k, fds) != 0) << j);
200 target_fds[i] = tswapl(v);
206 /* XXX: incorrect for some archs */
207 static void host_to_target_old_sigset(target_ulong *old_sigset,
208 const sigset_t *sigset)
210 *old_sigset = tswap32(*(unsigned long *)sigset & 0xffffffff);
213 static void target_to_host_old_sigset(sigset_t *sigset,
214 const target_ulong *old_sigset)
217 *(unsigned long *)sigset = tswapl(*old_sigset);
221 static long do_select(long n,
222 target_long *target_rfds, target_long *target_wfds,
223 target_long *target_efds, struct target_timeval *target_tv)
225 fd_set rfds, wfds, efds;
226 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
227 struct timeval tv, *tv_ptr;
230 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
231 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
232 efds_ptr = target_to_host_fds(&efds, target_efds, n);
235 tv.tv_sec = tswapl(target_tv->tv_sec);
236 tv.tv_usec = tswapl(target_tv->tv_usec);
241 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
242 if (!is_error(ret)) {
243 host_to_target_fds(target_rfds, rfds_ptr, n);
244 host_to_target_fds(target_wfds, wfds_ptr, n);
245 host_to_target_fds(target_efds, efds_ptr, n);
248 target_tv->tv_sec = tswapl(tv.tv_sec);
249 target_tv->tv_usec = tswapl(tv.tv_usec);
255 static long do_socketcall(int num, long *vptr)
261 ret = get_errno(socket(vptr[0], vptr[1], vptr[2]));
264 ret = get_errno(bind(vptr[0], (struct sockaddr *)vptr[1], vptr[2]));
267 ret = get_errno(connect(vptr[0], (struct sockaddr *)vptr[1], vptr[2]));
270 ret = get_errno(listen(vptr[0], vptr[1]));
275 size = tswap32(*(int32_t *)vptr[2]);
276 ret = get_errno(accept(vptr[0], (struct sockaddr *)vptr[1], &size));
278 *(int32_t *)vptr[2] = size;
281 case SOCKOP_getsockname:
284 size = tswap32(*(int32_t *)vptr[2]);
285 ret = get_errno(getsockname(vptr[0], (struct sockaddr *)vptr[1], &size));
287 *(int32_t *)vptr[2] = size;
290 case SOCKOP_getpeername:
293 size = tswap32(*(int32_t *)vptr[2]);
294 ret = get_errno(getpeername(vptr[0], (struct sockaddr *)vptr[1], &size));
296 *(int32_t *)vptr[2] = size;
299 case SOCKOP_socketpair:
302 int32_t *target_tab = (int32_t *)vptr[3];
303 ret = get_errno(socketpair(vptr[0], vptr[1], vptr[2], tab));
304 if (!is_error(ret)) {
305 target_tab[0] = tswap32(tab[0]);
306 target_tab[1] = tswap32(tab[1]);
311 ret = get_errno(send(vptr[0], (void *)vptr[1], vptr[2], vptr[3]));
314 ret = get_errno(recv(vptr[0], (void *)vptr[1], vptr[2], vptr[3]));
317 ret = get_errno(sendto(vptr[0], (void *)vptr[1], vptr[2], vptr[3],
318 (struct sockaddr *)vptr[4], vptr[5]));
320 case SOCKOP_recvfrom:
323 size = tswap32(*(int32_t *)vptr[5]);
324 ret = get_errno(recvfrom(vptr[0], (void *)vptr[1], vptr[2],
325 vptr[3], (struct sockaddr *)vptr[4], &size));
327 *(int32_t *)vptr[5] = size;
330 case SOCKOP_shutdown:
331 ret = get_errno(shutdown(vptr[0], vptr[1]));
337 struct target_msghdr *msgp;
341 struct target_iovec *target_vec;
343 msgp = (void *)vptr[1];
344 msg.msg_name = (void *)tswapl(msgp->msg_name);
345 msg.msg_namelen = tswapl(msgp->msg_namelen);
346 msg.msg_control = (void *)tswapl(msgp->msg_control);
347 msg.msg_controllen = tswapl(msgp->msg_controllen);
348 msg.msg_flags = tswap32(msgp->msg_flags);
350 count = tswapl(msgp->msg_iovlen);
351 vec = alloca(count * sizeof(struct iovec));
352 target_vec = (void *)tswapl(msgp->msg_iov);
353 for(i = 0;i < count; i++) {
354 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
355 vec[i].iov_len = tswapl(target_vec[i].iov_len);
357 msg.msg_iovlen = count;
362 if (num == SOCKOP_sendmsg)
363 ret = sendmsg(fd, &msg, flags);
365 ret = recvmsg(fd, &msg, flags);
366 ret = get_errno(ret);
369 case SOCKOP_setsockopt:
370 case SOCKOP_getsockopt:
372 gemu_log("Unsupported socketcall: %d\n", num);
379 /* kernel structure types definitions */
382 #define STRUCT(name, list...) STRUCT_ ## name,
383 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
385 #include "syscall_types.h"
388 #undef STRUCT_SPECIAL
390 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
391 #define STRUCT_SPECIAL(name)
392 #include "syscall_types.h"
394 #undef STRUCT_SPECIAL
396 typedef struct IOCTLEntry {
401 const argtype arg_type[5];
406 #define IOC_RW (IOC_R | IOC_W)
408 #define MAX_STRUCT_SIZE 4096
410 const IOCTLEntry ioctl_entries[] = {
411 #define IOCTL(cmd, access, types...) \
412 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
417 static long do_ioctl(long fd, long cmd, long arg)
419 const IOCTLEntry *ie;
420 const argtype *arg_type;
422 uint8_t buf_temp[MAX_STRUCT_SIZE];
426 if (ie->target_cmd == 0) {
427 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
430 if (ie->target_cmd == cmd)
434 arg_type = ie->arg_type;
436 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
438 switch(arg_type[0]) {
441 ret = get_errno(ioctl(fd, ie->host_cmd));
446 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
452 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
453 if (!is_error(ret)) {
454 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
458 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
459 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
463 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
464 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
465 if (!is_error(ret)) {
466 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
472 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
479 bitmask_transtbl iflag_tbl[] = {
480 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
481 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
482 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
483 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
484 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
485 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
486 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
487 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
488 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
489 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
490 { TARGET_IXON, TARGET_IXON, IXON, IXON },
491 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
492 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
493 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
497 bitmask_transtbl oflag_tbl[] = {
498 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
499 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
500 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
501 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
502 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
503 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
504 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
505 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
506 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
507 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
508 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
509 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
510 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
511 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
512 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
513 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
514 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
515 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
516 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
517 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
518 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
519 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
520 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
521 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
525 bitmask_transtbl cflag_tbl[] = {
526 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
527 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
528 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
529 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
530 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
531 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
532 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
533 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
534 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
535 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
536 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
537 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
538 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
539 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
540 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
541 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
542 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
543 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
544 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
545 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
546 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
547 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
548 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
549 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
550 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
551 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
552 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
553 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
554 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
555 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
556 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
560 bitmask_transtbl lflag_tbl[] = {
561 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
562 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
563 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
564 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
565 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
566 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
567 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
568 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
569 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
570 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
571 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
572 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
573 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
574 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
575 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
579 static void target_to_host_termios (void *dst, const void *src)
581 struct host_termios *host = dst;
582 const struct target_termios *target = src;
585 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
587 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
589 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
591 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
592 host->c_line = target->c_line;
594 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
595 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
596 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
597 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
598 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
599 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
600 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
601 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
602 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
603 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
604 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
605 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
606 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
607 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
608 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
609 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
610 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
613 static void host_to_target_termios (void *dst, const void *src)
615 struct target_termios *target = dst;
616 const struct host_termios *host = src;
619 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
621 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
623 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
625 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
626 target->c_line = host->c_line;
628 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
629 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
630 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
631 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
632 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
633 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
634 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
635 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
636 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
637 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
638 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
639 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
640 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
641 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
642 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
643 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
644 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
647 StructEntry struct_termios_def = {
648 .convert = { host_to_target_termios, target_to_host_termios },
649 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
650 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
655 /* NOTE: there is really one LDT for all the threads */
658 static int read_ldt(void *ptr, unsigned long bytecount)
664 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
665 if (size > bytecount)
667 memcpy(ptr, ldt_table, size);
671 /* XXX: add locking support */
672 static int write_ldt(CPUX86State *env,
673 void *ptr, unsigned long bytecount, int oldmode)
675 struct target_modify_ldt_ldt_s ldt_info;
676 int seg_32bit, contents, read_exec_only, limit_in_pages;
677 int seg_not_present, useable;
678 uint32_t *lp, entry_1, entry_2;
680 if (bytecount != sizeof(ldt_info))
682 memcpy(&ldt_info, ptr, sizeof(ldt_info));
683 tswap32s(&ldt_info.entry_number);
684 tswapls((long *)&ldt_info.base_addr);
685 tswap32s(&ldt_info.limit);
686 tswap32s(&ldt_info.flags);
688 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
690 seg_32bit = ldt_info.flags & 1;
691 contents = (ldt_info.flags >> 1) & 3;
692 read_exec_only = (ldt_info.flags >> 3) & 1;
693 limit_in_pages = (ldt_info.flags >> 4) & 1;
694 seg_not_present = (ldt_info.flags >> 5) & 1;
695 useable = (ldt_info.flags >> 6) & 1;
700 if (seg_not_present == 0)
703 /* allocate the LDT */
705 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
708 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
709 env->ldt.base = ldt_table;
710 env->ldt.limit = 0xffff;
713 /* NOTE: same code as Linux kernel */
714 /* Allow LDTs to be cleared by the user. */
715 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
718 read_exec_only == 1 &&
720 limit_in_pages == 0 &&
721 seg_not_present == 1 &&
729 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
730 (ldt_info.limit & 0x0ffff);
731 entry_2 = (ldt_info.base_addr & 0xff000000) |
732 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
733 (ldt_info.limit & 0xf0000) |
734 ((read_exec_only ^ 1) << 9) |
736 ((seg_not_present ^ 1) << 15) |
738 (limit_in_pages << 23) |
741 entry_2 |= (useable << 20);
743 /* Install the new entry ... */
745 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
746 lp[0] = tswap32(entry_1);
747 lp[1] = tswap32(entry_2);
751 /* specific and weird i386 syscalls */
752 int gemu_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
758 ret = read_ldt(ptr, bytecount);
761 ret = write_ldt(env, ptr, bytecount, 1);
764 ret = write_ldt(env, ptr, bytecount, 0);
771 void syscall_init(void)
773 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
774 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
775 #include "syscall_types.h"
777 #undef STRUCT_SPECIAL
780 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
781 long arg4, long arg5, long arg6)
785 struct kernel_statfs *stfs;
788 gemu_log("syscall %d\n", num);
796 ret = 0; /* avoid warning */
799 ret = get_errno(read(arg1, (void *)arg2, arg3));
801 case TARGET_NR_write:
802 ret = get_errno(write(arg1, (void *)arg2, arg3));
805 ret = get_errno(open((const char *)arg1, arg2, arg3));
807 case TARGET_NR_close:
808 ret = get_errno(close(arg1));
811 ret = do_brk((char *)arg1);
814 ret = get_errno(fork());
816 case TARGET_NR_waitpid:
818 int *status = (int *)arg2;
819 ret = get_errno(waitpid(arg1, status, arg3));
820 if (!is_error(ret) && status)
821 tswapls((long *)&status);
824 case TARGET_NR_creat:
825 ret = get_errno(creat((const char *)arg1, arg2));
828 ret = get_errno(link((const char *)arg1, (const char *)arg2));
830 case TARGET_NR_unlink:
831 ret = get_errno(unlink((const char *)arg1));
833 case TARGET_NR_execve:
834 ret = get_errno(execve((const char *)arg1, (void *)arg2, (void *)arg3));
836 case TARGET_NR_chdir:
837 ret = get_errno(chdir((const char *)arg1));
841 int *time_ptr = (int *)arg1;
842 ret = get_errno(time((time_t *)time_ptr));
843 if (!is_error(ret) && time_ptr)
847 case TARGET_NR_mknod:
848 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
850 case TARGET_NR_chmod:
851 ret = get_errno(chmod((const char *)arg1, arg2));
853 case TARGET_NR_lchown:
854 ret = get_errno(chown((const char *)arg1, arg2, arg3));
856 case TARGET_NR_break:
858 case TARGET_NR_oldstat:
860 case TARGET_NR_lseek:
861 ret = get_errno(lseek(arg1, arg2, arg3));
863 case TARGET_NR_getpid:
864 ret = get_errno(getpid());
866 case TARGET_NR_mount:
867 /* need to look at the data field */
869 case TARGET_NR_umount:
870 ret = get_errno(umount((const char *)arg1));
872 case TARGET_NR_setuid:
873 ret = get_errno(setuid(arg1));
875 case TARGET_NR_getuid:
876 ret = get_errno(getuid());
878 case TARGET_NR_stime:
880 int *time_ptr = (int *)arg1;
883 ret = get_errno(stime((time_t *)time_ptr));
886 case TARGET_NR_ptrace:
888 case TARGET_NR_alarm:
891 case TARGET_NR_oldfstat:
893 case TARGET_NR_pause:
894 ret = get_errno(pause());
896 case TARGET_NR_utime:
902 case TARGET_NR_access:
903 ret = get_errno(access((const char *)arg1, arg2));
906 ret = get_errno(nice(arg1));
908 case TARGET_NR_ftime:
915 ret = get_errno(kill(arg1, arg2));
917 case TARGET_NR_rename:
918 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
920 case TARGET_NR_mkdir:
921 ret = get_errno(mkdir((const char *)arg1, arg2));
923 case TARGET_NR_rmdir:
924 ret = get_errno(rmdir((const char *)arg1));
927 ret = get_errno(dup(arg1));
931 int *pipe_ptr = (int *)arg1;
932 ret = get_errno(pipe(pipe_ptr));
933 if (!is_error(ret)) {
934 tswap32s(&pipe_ptr[0]);
935 tswap32s(&pipe_ptr[1]);
939 case TARGET_NR_times:
943 case TARGET_NR_setgid:
944 ret = get_errno(setgid(arg1));
946 case TARGET_NR_getgid:
947 ret = get_errno(getgid());
949 case TARGET_NR_signal:
951 case TARGET_NR_geteuid:
952 ret = get_errno(geteuid());
954 case TARGET_NR_getegid:
955 ret = get_errno(getegid());
959 case TARGET_NR_umount2:
960 ret = get_errno(umount2((const char *)arg1, arg2));
964 case TARGET_NR_ioctl:
965 ret = do_ioctl(arg1, arg2, arg3);
967 case TARGET_NR_fcntl:
974 ret = get_errno(fcntl(arg1, arg2, arg3));
980 case TARGET_NR_setpgid:
981 ret = get_errno(setpgid(arg1, arg2));
983 case TARGET_NR_ulimit:
985 case TARGET_NR_oldolduname:
987 case TARGET_NR_umask:
988 ret = get_errno(umask(arg1));
990 case TARGET_NR_chroot:
991 ret = get_errno(chroot((const char *)arg1));
993 case TARGET_NR_ustat:
996 ret = get_errno(dup2(arg1, arg2));
998 case TARGET_NR_getppid:
999 ret = get_errno(getppid());
1001 case TARGET_NR_getpgrp:
1002 ret = get_errno(getpgrp());
1004 case TARGET_NR_setsid:
1005 ret = get_errno(setsid());
1007 case TARGET_NR_sigaction:
1016 case TARGET_NR_sgetmask:
1018 case TARGET_NR_ssetmask:
1020 case TARGET_NR_setreuid:
1021 ret = get_errno(setreuid(arg1, arg2));
1023 case TARGET_NR_setregid:
1024 ret = get_errno(setregid(arg1, arg2));
1026 case TARGET_NR_sigsuspend:
1028 case TARGET_NR_sigpending:
1030 case TARGET_NR_sethostname:
1031 ret = get_errno(sethostname((const char *)arg1, arg2));
1033 case TARGET_NR_setrlimit:
1035 case TARGET_NR_getrlimit:
1037 case TARGET_NR_getrusage:
1039 case TARGET_NR_gettimeofday:
1041 struct target_timeval *target_tv = (void *)arg1;
1043 ret = get_errno(gettimeofday(&tv, NULL));
1044 if (!is_error(ret)) {
1045 target_tv->tv_sec = tswapl(tv.tv_sec);
1046 target_tv->tv_usec = tswapl(tv.tv_usec);
1050 case TARGET_NR_settimeofday:
1052 struct target_timeval *target_tv = (void *)arg1;
1054 tv.tv_sec = tswapl(target_tv->tv_sec);
1055 tv.tv_usec = tswapl(target_tv->tv_usec);
1056 ret = get_errno(settimeofday(&tv, NULL));
1059 case TARGET_NR_getgroups:
1061 case TARGET_NR_setgroups:
1063 case TARGET_NR_select:
1065 case TARGET_NR_symlink:
1066 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
1068 case TARGET_NR_oldlstat:
1070 case TARGET_NR_readlink:
1071 ret = get_errno(readlink((const char *)arg1, (char *)arg2, arg3));
1073 case TARGET_NR_uselib:
1075 case TARGET_NR_swapon:
1076 ret = get_errno(swapon((const char *)arg1, arg2));
1078 case TARGET_NR_reboot:
1080 case TARGET_NR_readdir:
1083 case TARGET_NR_mmap:
1085 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
1086 vptr = (uint32_t *)arg1;
1087 v1 = tswap32(vptr[0]);
1088 v2 = tswap32(vptr[1]);
1089 v3 = tswap32(vptr[2]);
1090 v4 = tswap32(vptr[3]);
1091 v5 = tswap32(vptr[4]);
1092 v6 = tswap32(vptr[5]);
1093 ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6));
1098 case TARGET_NR_mmap2:
1100 case TARGET_NR_mmap:
1102 ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6));
1104 case TARGET_NR_munmap:
1105 ret = get_errno(munmap((void *)arg1, arg2));
1107 case TARGET_NR_truncate:
1108 ret = get_errno(truncate((const char *)arg1, arg2));
1110 case TARGET_NR_ftruncate:
1111 ret = get_errno(ftruncate(arg1, arg2));
1113 case TARGET_NR_fchmod:
1114 ret = get_errno(fchmod(arg1, arg2));
1116 case TARGET_NR_fchown:
1117 ret = get_errno(fchown(arg1, arg2, arg3));
1119 case TARGET_NR_getpriority:
1120 ret = get_errno(getpriority(arg1, arg2));
1122 case TARGET_NR_setpriority:
1123 ret = get_errno(setpriority(arg1, arg2, arg3));
1125 case TARGET_NR_profil:
1127 case TARGET_NR_statfs:
1128 stfs = (void *)arg2;
1129 ret = get_errno(sys_statfs((const char *)arg1, stfs));
1131 if (!is_error(ret)) {
1132 tswap32s(&stfs->f_type);
1133 tswap32s(&stfs->f_bsize);
1134 tswap32s(&stfs->f_blocks);
1135 tswap32s(&stfs->f_bfree);
1136 tswap32s(&stfs->f_bavail);
1137 tswap32s(&stfs->f_files);
1138 tswap32s(&stfs->f_ffree);
1139 tswap32s(&stfs->f_fsid.val[0]);
1140 tswap32s(&stfs->f_fsid.val[1]);
1141 tswap32s(&stfs->f_namelen);
1144 case TARGET_NR_fstatfs:
1145 stfs = (void *)arg2;
1146 ret = get_errno(sys_fstatfs(arg1, stfs));
1147 goto convert_statfs;
1148 case TARGET_NR_ioperm:
1150 case TARGET_NR_socketcall:
1151 ret = do_socketcall(arg1, (long *)arg2);
1153 case TARGET_NR_syslog:
1155 case TARGET_NR_setitimer:
1157 case TARGET_NR_getitimer:
1159 case TARGET_NR_stat:
1160 ret = get_errno(stat((const char *)arg1, &st));
1162 case TARGET_NR_lstat:
1163 ret = get_errno(lstat((const char *)arg1, &st));
1165 case TARGET_NR_fstat:
1167 ret = get_errno(fstat(arg1, &st));
1169 if (!is_error(ret)) {
1170 struct target_stat *target_st = (void *)arg2;
1171 target_st->st_dev = tswap16(st.st_dev);
1172 target_st->st_ino = tswapl(st.st_ino);
1173 target_st->st_mode = tswap16(st.st_mode);
1174 target_st->st_nlink = tswap16(st.st_nlink);
1175 target_st->st_uid = tswap16(st.st_uid);
1176 target_st->st_gid = tswap16(st.st_gid);
1177 target_st->st_rdev = tswap16(st.st_rdev);
1178 target_st->st_size = tswapl(st.st_size);
1179 target_st->st_blksize = tswapl(st.st_blksize);
1180 target_st->st_blocks = tswapl(st.st_blocks);
1181 target_st->st_atime = tswapl(st.st_atime);
1182 target_st->st_mtime = tswapl(st.st_mtime);
1183 target_st->st_ctime = tswapl(st.st_ctime);
1187 case TARGET_NR_olduname:
1189 case TARGET_NR_iopl:
1191 case TARGET_NR_vhangup:
1192 ret = get_errno(vhangup());
1194 case TARGET_NR_idle:
1196 case TARGET_NR_vm86old:
1198 case TARGET_NR_wait4:
1201 target_long *status_ptr = (void *)arg2;
1202 struct rusage rusage, *rusage_ptr;
1203 struct target_rusage *target_rusage = (void *)arg4;
1205 rusage_ptr = &rusage;
1208 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
1209 if (!is_error(ret)) {
1211 *status_ptr = tswap32(status);
1212 if (target_rusage) {
1213 target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec);
1214 target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec);
1215 target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec);
1216 target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec);
1217 target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss);
1218 target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss);
1219 target_rusage->ru_idrss = tswapl(rusage.ru_idrss);
1220 target_rusage->ru_isrss = tswapl(rusage.ru_isrss);
1221 target_rusage->ru_minflt = tswapl(rusage.ru_minflt);
1222 target_rusage->ru_majflt = tswapl(rusage.ru_majflt);
1223 target_rusage->ru_nswap = tswapl(rusage.ru_nswap);
1224 target_rusage->ru_inblock = tswapl(rusage.ru_inblock);
1225 target_rusage->ru_oublock = tswapl(rusage.ru_oublock);
1226 target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd);
1227 target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv);
1228 target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals);
1229 target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw);
1230 target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw);
1235 case TARGET_NR_swapoff:
1236 ret = get_errno(swapoff((const char *)arg1));
1238 case TARGET_NR_sysinfo:
1242 case TARGET_NR_fsync:
1243 ret = get_errno(fsync(arg1));
1245 case TARGET_NR_sigreturn:
1247 case TARGET_NR_clone:
1249 case TARGET_NR_setdomainname:
1250 ret = get_errno(setdomainname((const char *)arg1, arg2));
1252 case TARGET_NR_uname:
1253 /* no need to transcode because we use the linux syscall */
1254 ret = get_errno(sys_uname((struct new_utsname *)arg1));
1257 case TARGET_NR_modify_ldt:
1258 ret = get_errno(gemu_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
1261 case TARGET_NR_adjtimex:
1263 case TARGET_NR_mprotect:
1264 ret = get_errno(mprotect((void *)arg1, arg2, arg3));
1266 case TARGET_NR_sigprocmask:
1269 sigset_t set, oldset, *set_ptr;
1270 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1273 case TARGET_SIG_BLOCK:
1276 case TARGET_SIG_UNBLOCK:
1279 case TARGET_SIG_SETMASK:
1288 target_to_host_old_sigset(&set, pset);
1293 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1294 if (!is_error(ret) && poldset) {
1295 host_to_target_old_sigset(poldset, &oldset);
1299 case TARGET_NR_create_module:
1300 case TARGET_NR_init_module:
1301 case TARGET_NR_delete_module:
1302 case TARGET_NR_get_kernel_syms:
1304 case TARGET_NR_quotactl:
1306 case TARGET_NR_getpgid:
1307 ret = get_errno(getpgid(arg1));
1309 case TARGET_NR_fchdir:
1310 ret = get_errno(fchdir(arg1));
1312 case TARGET_NR_bdflush:
1314 case TARGET_NR_sysfs:
1316 case TARGET_NR_personality:
1317 ret = get_errno(mprotect((void *)arg1, arg2, arg3));
1319 case TARGET_NR_afs_syscall:
1321 case TARGET_NR_setfsuid:
1323 case TARGET_NR_setfsgid:
1325 case TARGET_NR__llseek:
1328 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1329 *(int64_t *)arg4 = tswap64(res);
1332 case TARGET_NR_getdents:
1333 #if TARGET_LONG_SIZE != 4
1334 #error not supported
1337 struct dirent *dirp = (void *)arg2;
1339 ret = get_errno(sys_getdents(arg1, dirp, count));
1340 if (!is_error(ret)) {
1346 reclen = tswap16(de->d_reclen);
1349 de->d_reclen = reclen;
1350 tswapls(&de->d_ino);
1351 tswapls(&de->d_off);
1352 de = (struct dirent *)((char *)de + reclen);
1358 case TARGET_NR__newselect:
1359 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
1362 case TARGET_NR_flock:
1364 case TARGET_NR_msync:
1365 ret = get_errno(msync((void *)arg1, arg2, arg3));
1367 case TARGET_NR_readv:
1372 struct target_iovec *target_vec = (void *)arg2;
1374 vec = alloca(count * sizeof(struct iovec));
1375 for(i = 0;i < count; i++) {
1376 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
1377 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1379 ret = get_errno(readv(arg1, vec, count));
1382 case TARGET_NR_writev:
1387 struct target_iovec *target_vec = (void *)arg2;
1389 vec = alloca(count * sizeof(struct iovec));
1390 for(i = 0;i < count; i++) {
1391 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
1392 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1394 ret = get_errno(writev(arg1, vec, count));
1397 case TARGET_NR_getsid:
1398 ret = get_errno(getsid(arg1));
1400 case TARGET_NR_fdatasync:
1402 case TARGET_NR__sysctl:
1404 case TARGET_NR_mlock:
1405 ret = get_errno(mlock((void *)arg1, arg2));
1407 case TARGET_NR_munlock:
1408 ret = get_errno(munlock((void *)arg1, arg2));
1410 case TARGET_NR_mlockall:
1411 ret = get_errno(mlockall(arg1));
1413 case TARGET_NR_munlockall:
1414 ret = get_errno(munlockall());
1416 case TARGET_NR_sched_setparam:
1418 case TARGET_NR_sched_getparam:
1420 case TARGET_NR_sched_setscheduler:
1422 case TARGET_NR_sched_getscheduler:
1424 case TARGET_NR_sched_yield:
1425 ret = get_errno(sched_yield());
1427 case TARGET_NR_sched_get_priority_max:
1428 case TARGET_NR_sched_get_priority_min:
1429 case TARGET_NR_sched_rr_get_interval:
1430 case TARGET_NR_nanosleep:
1431 case TARGET_NR_mremap:
1432 case TARGET_NR_setresuid:
1433 case TARGET_NR_getresuid:
1434 case TARGET_NR_vm86:
1435 case TARGET_NR_query_module:
1436 case TARGET_NR_poll:
1437 case TARGET_NR_nfsservctl:
1438 case TARGET_NR_setresgid:
1439 case TARGET_NR_getresgid:
1440 case TARGET_NR_prctl:
1441 case TARGET_NR_rt_sigreturn:
1442 case TARGET_NR_rt_sigaction:
1443 case TARGET_NR_rt_sigprocmask:
1444 case TARGET_NR_rt_sigpending:
1445 case TARGET_NR_rt_sigtimedwait:
1446 case TARGET_NR_rt_sigqueueinfo:
1447 case TARGET_NR_rt_sigsuspend:
1448 case TARGET_NR_pread:
1449 case TARGET_NR_pwrite:
1451 case TARGET_NR_chown:
1452 ret = get_errno(chown((const char *)arg1, arg2, arg3));
1454 case TARGET_NR_getcwd:
1455 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
1457 case TARGET_NR_capget:
1458 case TARGET_NR_capset:
1459 case TARGET_NR_sigaltstack:
1460 case TARGET_NR_sendfile:
1461 case TARGET_NR_getpmsg:
1462 case TARGET_NR_putpmsg:
1463 case TARGET_NR_vfork:
1464 ret = get_errno(vfork());
1466 case TARGET_NR_ugetrlimit:
1467 case TARGET_NR_truncate64:
1468 case TARGET_NR_ftruncate64:
1470 case TARGET_NR_stat64:
1471 ret = get_errno(stat((const char *)arg1, &st));
1473 case TARGET_NR_lstat64:
1474 ret = get_errno(lstat((const char *)arg1, &st));
1476 case TARGET_NR_fstat64:
1478 ret = get_errno(fstat(arg1, &st));
1480 if (!is_error(ret)) {
1481 struct target_stat64 *target_st = (void *)arg2;
1482 target_st->st_dev = tswap16(st.st_dev);
1483 target_st->st_ino = tswapl(st.st_ino);
1484 target_st->st_mode = tswap16(st.st_mode);
1485 target_st->st_nlink = tswap16(st.st_nlink);
1486 target_st->st_uid = tswap16(st.st_uid);
1487 target_st->st_gid = tswap16(st.st_gid);
1488 target_st->st_rdev = tswap16(st.st_rdev);
1489 /* XXX: better use of kernel struct */
1490 target_st->st_size = tswapl(st.st_size);
1491 target_st->st_blksize = tswapl(st.st_blksize);
1492 target_st->st_blocks = tswapl(st.st_blocks);
1493 target_st->st_atime = tswapl(st.st_atime);
1494 target_st->st_mtime = tswapl(st.st_mtime);
1495 target_st->st_ctime = tswapl(st.st_ctime);
1500 case TARGET_NR_lchown32:
1501 case TARGET_NR_getuid32:
1502 case TARGET_NR_getgid32:
1503 case TARGET_NR_geteuid32:
1504 case TARGET_NR_getegid32:
1505 case TARGET_NR_setreuid32:
1506 case TARGET_NR_setregid32:
1507 case TARGET_NR_getgroups32:
1508 case TARGET_NR_setgroups32:
1509 case TARGET_NR_fchown32:
1510 case TARGET_NR_setresuid32:
1511 case TARGET_NR_getresuid32:
1512 case TARGET_NR_setresgid32:
1513 case TARGET_NR_getresgid32:
1514 case TARGET_NR_chown32:
1515 case TARGET_NR_setuid32:
1516 case TARGET_NR_setgid32:
1517 case TARGET_NR_setfsuid32:
1518 case TARGET_NR_setfsgid32:
1519 case TARGET_NR_pivot_root:
1520 case TARGET_NR_mincore:
1521 case TARGET_NR_madvise:
1522 case TARGET_NR_getdents64:
1524 #if TARGET_LONG_BITS == 32
1525 case TARGET_NR_fcntl64:
1532 ret = get_errno(fcntl(arg1, arg2, arg3));
1537 case TARGET_NR_security:
1539 case TARGET_NR_gettid:
1540 ret = get_errno(gettid());
1542 case TARGET_NR_readahead:
1543 case TARGET_NR_setxattr:
1544 case TARGET_NR_lsetxattr:
1545 case TARGET_NR_fsetxattr:
1546 case TARGET_NR_getxattr:
1547 case TARGET_NR_lgetxattr:
1548 case TARGET_NR_fgetxattr:
1549 case TARGET_NR_listxattr:
1550 case TARGET_NR_llistxattr:
1551 case TARGET_NR_flistxattr:
1552 case TARGET_NR_removexattr:
1553 case TARGET_NR_lremovexattr:
1554 case TARGET_NR_fremovexattr:
1558 gemu_log("Unsupported syscall: %d\n", num);