root / linux-user / syscall.c @ b03c60f3
History | View | Annotate | Download (61.9 kB)
1 |
/*
|
---|---|
2 |
* Linux syscalls
|
3 |
*
|
4 |
* Copyright (c) 2003 Fabrice Bellard
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or modify
|
7 |
* it under the terms of the GNU General Public License as published by
|
8 |
* the Free Software Foundation; either version 2 of the License, or
|
9 |
* (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
19 |
*/
|
20 |
#include <stdlib.h> |
21 |
#include <stdio.h> |
22 |
#include <stdarg.h> |
23 |
#include <string.h> |
24 |
#include <elf.h> |
25 |
#include <endian.h> |
26 |
#include <errno.h> |
27 |
#include <unistd.h> |
28 |
#include <fcntl.h> |
29 |
#include <sys/types.h> |
30 |
#include <sys/wait.h> |
31 |
#include <sys/time.h> |
32 |
#include <sys/stat.h> |
33 |
#include <sys/mount.h> |
34 |
#include <sys/resource.h> |
35 |
#include <sys/mman.h> |
36 |
#include <sys/swap.h> |
37 |
#include <signal.h> |
38 |
#include <sched.h> |
39 |
#include <sys/socket.h> |
40 |
#include <sys/uio.h> |
41 |
#include <sys/poll.h> |
42 |
//#include <sys/user.h>
|
43 |
|
44 |
#define termios host_termios
|
45 |
#define winsize host_winsize
|
46 |
#define termio host_termio
|
47 |
#define sgttyb host_sgttyb /* same as target */ |
48 |
#define tchars host_tchars /* same as target */ |
49 |
#define ltchars host_ltchars /* same as target */ |
50 |
|
51 |
#include <linux/termios.h> |
52 |
#include <linux/unistd.h> |
53 |
#include <linux/utsname.h> |
54 |
#include <linux/cdrom.h> |
55 |
#include <linux/hdreg.h> |
56 |
#include <linux/soundcard.h> |
57 |
#include <linux/dirent.h> |
58 |
|
59 |
#include "gemu.h" |
60 |
|
61 |
//#define DEBUG
|
62 |
|
63 |
#ifndef PAGE_SIZE
|
64 |
#define PAGE_SIZE 4096 |
65 |
#define PAGE_MASK ~(PAGE_SIZE - 1) |
66 |
#endif
|
67 |
|
68 |
//#include <linux/msdos_fs.h>
|
69 |
#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) |
70 |
#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2]) |
71 |
|
72 |
void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info); |
73 |
void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo); |
74 |
long do_sigreturn(CPUX86State *env);
|
75 |
long do_rt_sigreturn(CPUX86State *env);
|
76 |
|
77 |
#define __NR_sys_uname __NR_uname
|
78 |
#define __NR_sys_getcwd1 __NR_getcwd
|
79 |
#define __NR_sys_statfs __NR_statfs
|
80 |
#define __NR_sys_fstatfs __NR_fstatfs
|
81 |
#define __NR_sys_getdents __NR_getdents
|
82 |
#define __NR_sys_getdents64 __NR_getdents64
|
83 |
#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
|
84 |
|
85 |
#ifdef __NR_gettid
|
86 |
_syscall0(int, gettid)
|
87 |
#else
|
88 |
static int gettid(void) { |
89 |
return -ENOSYS;
|
90 |
} |
91 |
#endif
|
92 |
_syscall1(int,sys_uname,struct new_utsname *,buf) |
93 |
_syscall2(int,sys_getcwd1,char *,buf,size_t,size) |
94 |
_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); |
95 |
_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count); |
96 |
_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
|
97 |
loff_t *, res, uint, wh); |
98 |
_syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf) |
99 |
_syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf) |
100 |
_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) |
101 |
|
102 |
extern int personality(int); |
103 |
extern int flock(int, int); |
104 |
extern int setfsuid(int); |
105 |
extern int setfsgid(int); |
106 |
extern int setresuid(int,int,int); |
107 |
extern int getresuid(int *,int *,int *); |
108 |
extern int setresgid(int,int,int); |
109 |
extern int getresgid(int *,int *,int *); |
110 |
|
111 |
static inline long get_errno(long ret) |
112 |
{ |
113 |
if (ret == -1) |
114 |
return -errno;
|
115 |
else
|
116 |
return ret;
|
117 |
} |
118 |
|
119 |
static inline int is_error(long ret) |
120 |
{ |
121 |
return (unsigned long)ret >= (unsigned long)(-4096); |
122 |
} |
123 |
|
124 |
static char *target_brk; |
125 |
static char *target_original_brk; |
126 |
|
127 |
void target_set_brk(char *new_brk) |
128 |
{ |
129 |
target_brk = new_brk; |
130 |
target_original_brk = new_brk; |
131 |
} |
132 |
|
133 |
static long do_brk(char *new_brk) |
134 |
{ |
135 |
char *brk_page;
|
136 |
long mapped_addr;
|
137 |
int new_alloc_size;
|
138 |
|
139 |
if (!new_brk)
|
140 |
return (long)target_brk; |
141 |
if (new_brk < target_original_brk)
|
142 |
return -ENOMEM;
|
143 |
|
144 |
brk_page = (char *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK); |
145 |
|
146 |
/* If the new brk is less than this, set it and we're done... */
|
147 |
if (new_brk < brk_page) {
|
148 |
target_brk = new_brk; |
149 |
return (long)target_brk; |
150 |
} |
151 |
|
152 |
/* We need to allocate more memory after the brk... */
|
153 |
new_alloc_size = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK; |
154 |
mapped_addr = get_errno((long)mmap((caddr_t)brk_page, new_alloc_size,
|
155 |
PROT_READ|PROT_WRITE, |
156 |
MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); |
157 |
|
158 |
if (is_error(mapped_addr)) {
|
159 |
return mapped_addr;
|
160 |
} else {
|
161 |
target_brk = new_brk; |
162 |
return (long)target_brk; |
163 |
} |
164 |
} |
165 |
|
166 |
static inline fd_set *target_to_host_fds(fd_set *fds, |
167 |
target_long *target_fds, int n)
|
168 |
{ |
169 |
#if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN)
|
170 |
return (fd_set *)target_fds;
|
171 |
#else
|
172 |
int i, b;
|
173 |
if (target_fds) {
|
174 |
FD_ZERO(fds); |
175 |
for(i = 0;i < n; i++) { |
176 |
b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >> |
177 |
(i & (TARGET_LONG_BITS - 1))) & 1; |
178 |
if (b)
|
179 |
FD_SET(i, fds); |
180 |
} |
181 |
return fds;
|
182 |
} else {
|
183 |
return NULL; |
184 |
} |
185 |
#endif
|
186 |
} |
187 |
|
188 |
static inline void host_to_target_fds(target_long *target_fds, |
189 |
fd_set *fds, int n)
|
190 |
{ |
191 |
#if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN)
|
192 |
/* nothing to do */
|
193 |
#else
|
194 |
int i, nw, j, k;
|
195 |
target_long v; |
196 |
|
197 |
if (target_fds) {
|
198 |
nw = n / TARGET_LONG_BITS; |
199 |
k = 0;
|
200 |
for(i = 0;i < nw; i++) { |
201 |
v = 0;
|
202 |
for(j = 0; j < TARGET_LONG_BITS; j++) { |
203 |
v |= ((FD_ISSET(k, fds) != 0) << j);
|
204 |
k++; |
205 |
} |
206 |
target_fds[i] = tswapl(v); |
207 |
} |
208 |
} |
209 |
#endif
|
210 |
} |
211 |
|
212 |
static inline void target_to_host_timeval(struct timeval *tv, |
213 |
struct target_timeval *target_tv)
|
214 |
{ |
215 |
tv->tv_sec = tswapl(target_tv->tv_sec); |
216 |
tv->tv_usec = tswapl(target_tv->tv_usec); |
217 |
} |
218 |
|
219 |
static inline void host_to_target_timeval(struct target_timeval *target_tv, |
220 |
struct timeval *tv)
|
221 |
{ |
222 |
target_tv->tv_sec = tswapl(tv->tv_sec); |
223 |
target_tv->tv_usec = tswapl(tv->tv_usec); |
224 |
} |
225 |
|
226 |
|
227 |
static long do_select(long n, |
228 |
target_long *target_rfds, target_long *target_wfds, |
229 |
target_long *target_efds, struct target_timeval *target_tv)
|
230 |
{ |
231 |
fd_set rfds, wfds, efds; |
232 |
fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; |
233 |
struct timeval tv, *tv_ptr;
|
234 |
long ret;
|
235 |
|
236 |
rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); |
237 |
wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); |
238 |
efds_ptr = target_to_host_fds(&efds, target_efds, n); |
239 |
|
240 |
if (target_tv) {
|
241 |
tv.tv_sec = tswapl(target_tv->tv_sec); |
242 |
tv.tv_usec = tswapl(target_tv->tv_usec); |
243 |
tv_ptr = &tv; |
244 |
} else {
|
245 |
tv_ptr = NULL;
|
246 |
} |
247 |
ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
248 |
if (!is_error(ret)) {
|
249 |
host_to_target_fds(target_rfds, rfds_ptr, n); |
250 |
host_to_target_fds(target_wfds, wfds_ptr, n); |
251 |
host_to_target_fds(target_efds, efds_ptr, n); |
252 |
|
253 |
if (target_tv) {
|
254 |
target_tv->tv_sec = tswapl(tv.tv_sec); |
255 |
target_tv->tv_usec = tswapl(tv.tv_usec); |
256 |
} |
257 |
} |
258 |
return ret;
|
259 |
} |
260 |
|
261 |
static long do_socketcall(int num, long *vptr) |
262 |
{ |
263 |
long ret;
|
264 |
|
265 |
switch(num) {
|
266 |
case SOCKOP_socket:
|
267 |
ret = get_errno(socket(vptr[0], vptr[1], vptr[2])); |
268 |
break;
|
269 |
case SOCKOP_bind:
|
270 |
ret = get_errno(bind(vptr[0], (struct sockaddr *)vptr[1], vptr[2])); |
271 |
break;
|
272 |
case SOCKOP_connect:
|
273 |
ret = get_errno(connect(vptr[0], (struct sockaddr *)vptr[1], vptr[2])); |
274 |
break;
|
275 |
case SOCKOP_listen:
|
276 |
ret = get_errno(listen(vptr[0], vptr[1])); |
277 |
break;
|
278 |
case SOCKOP_accept:
|
279 |
{ |
280 |
socklen_t size; |
281 |
size = tswap32(*(int32_t *)vptr[2]);
|
282 |
ret = get_errno(accept(vptr[0], (struct sockaddr *)vptr[1], &size)); |
283 |
if (!is_error(ret))
|
284 |
*(int32_t *)vptr[2] = size;
|
285 |
} |
286 |
break;
|
287 |
case SOCKOP_getsockname:
|
288 |
{ |
289 |
socklen_t size; |
290 |
size = tswap32(*(int32_t *)vptr[2]);
|
291 |
ret = get_errno(getsockname(vptr[0], (struct sockaddr *)vptr[1], &size)); |
292 |
if (!is_error(ret))
|
293 |
*(int32_t *)vptr[2] = size;
|
294 |
} |
295 |
break;
|
296 |
case SOCKOP_getpeername:
|
297 |
{ |
298 |
socklen_t size; |
299 |
size = tswap32(*(int32_t *)vptr[2]);
|
300 |
ret = get_errno(getpeername(vptr[0], (struct sockaddr *)vptr[1], &size)); |
301 |
if (!is_error(ret))
|
302 |
*(int32_t *)vptr[2] = size;
|
303 |
} |
304 |
break;
|
305 |
case SOCKOP_socketpair:
|
306 |
{ |
307 |
int tab[2]; |
308 |
int32_t *target_tab = (int32_t *)vptr[3];
|
309 |
ret = get_errno(socketpair(vptr[0], vptr[1], vptr[2], tab)); |
310 |
if (!is_error(ret)) {
|
311 |
target_tab[0] = tswap32(tab[0]); |
312 |
target_tab[1] = tswap32(tab[1]); |
313 |
} |
314 |
} |
315 |
break;
|
316 |
case SOCKOP_send:
|
317 |
ret = get_errno(send(vptr[0], (void *)vptr[1], vptr[2], vptr[3])); |
318 |
break;
|
319 |
case SOCKOP_recv:
|
320 |
ret = get_errno(recv(vptr[0], (void *)vptr[1], vptr[2], vptr[3])); |
321 |
break;
|
322 |
case SOCKOP_sendto:
|
323 |
ret = get_errno(sendto(vptr[0], (void *)vptr[1], vptr[2], vptr[3], |
324 |
(struct sockaddr *)vptr[4], vptr[5])); |
325 |
break;
|
326 |
case SOCKOP_recvfrom:
|
327 |
{ |
328 |
socklen_t size; |
329 |
size = tswap32(*(int32_t *)vptr[5]);
|
330 |
ret = get_errno(recvfrom(vptr[0], (void *)vptr[1], vptr[2], |
331 |
vptr[3], (struct sockaddr *)vptr[4], &size)); |
332 |
if (!is_error(ret))
|
333 |
*(int32_t *)vptr[5] = size;
|
334 |
} |
335 |
break;
|
336 |
case SOCKOP_shutdown:
|
337 |
ret = get_errno(shutdown(vptr[0], vptr[1])); |
338 |
break;
|
339 |
case SOCKOP_sendmsg:
|
340 |
case SOCKOP_recvmsg:
|
341 |
{ |
342 |
int fd;
|
343 |
struct target_msghdr *msgp;
|
344 |
struct msghdr msg;
|
345 |
int flags, count, i;
|
346 |
struct iovec *vec;
|
347 |
struct target_iovec *target_vec;
|
348 |
|
349 |
msgp = (void *)vptr[1]; |
350 |
msg.msg_name = (void *)tswapl(msgp->msg_name);
|
351 |
msg.msg_namelen = tswapl(msgp->msg_namelen); |
352 |
msg.msg_control = (void *)tswapl(msgp->msg_control);
|
353 |
msg.msg_controllen = tswapl(msgp->msg_controllen); |
354 |
msg.msg_flags = tswap32(msgp->msg_flags); |
355 |
|
356 |
count = tswapl(msgp->msg_iovlen); |
357 |
vec = alloca(count * sizeof(struct iovec)); |
358 |
target_vec = (void *)tswapl(msgp->msg_iov);
|
359 |
for(i = 0;i < count; i++) { |
360 |
vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
|
361 |
vec[i].iov_len = tswapl(target_vec[i].iov_len); |
362 |
} |
363 |
msg.msg_iovlen = count; |
364 |
msg.msg_iov = vec; |
365 |
|
366 |
fd = vptr[0];
|
367 |
flags = vptr[2];
|
368 |
if (num == SOCKOP_sendmsg)
|
369 |
ret = sendmsg(fd, &msg, flags); |
370 |
else
|
371 |
ret = recvmsg(fd, &msg, flags); |
372 |
ret = get_errno(ret); |
373 |
} |
374 |
break;
|
375 |
case SOCKOP_setsockopt:
|
376 |
case SOCKOP_getsockopt:
|
377 |
default:
|
378 |
gemu_log("Unsupported socketcall: %d\n", num);
|
379 |
ret = -ENOSYS; |
380 |
break;
|
381 |
} |
382 |
return ret;
|
383 |
} |
384 |
|
385 |
/* kernel structure types definitions */
|
386 |
#define IFNAMSIZ 16 |
387 |
|
388 |
#define STRUCT(name, list...) STRUCT_ ## name, |
389 |
#define STRUCT_SPECIAL(name) STRUCT_ ## name, |
390 |
enum {
|
391 |
#include "syscall_types.h" |
392 |
}; |
393 |
#undef STRUCT
|
394 |
#undef STRUCT_SPECIAL
|
395 |
|
396 |
#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; |
397 |
#define STRUCT_SPECIAL(name)
|
398 |
#include "syscall_types.h" |
399 |
#undef STRUCT
|
400 |
#undef STRUCT_SPECIAL
|
401 |
|
402 |
typedef struct IOCTLEntry { |
403 |
int target_cmd;
|
404 |
int host_cmd;
|
405 |
const char *name; |
406 |
int access;
|
407 |
const argtype arg_type[5]; |
408 |
} IOCTLEntry; |
409 |
|
410 |
#define IOC_R 0x0001 |
411 |
#define IOC_W 0x0002 |
412 |
#define IOC_RW (IOC_R | IOC_W)
|
413 |
|
414 |
#define MAX_STRUCT_SIZE 4096 |
415 |
|
416 |
const IOCTLEntry ioctl_entries[] = {
|
417 |
#define IOCTL(cmd, access, types...) \
|
418 |
{ TARGET_ ## cmd, cmd, #cmd, access, { types } }, |
419 |
#include "ioctls.h" |
420 |
{ 0, 0, }, |
421 |
}; |
422 |
|
423 |
static long do_ioctl(long fd, long cmd, long arg) |
424 |
{ |
425 |
const IOCTLEntry *ie;
|
426 |
const argtype *arg_type;
|
427 |
long ret;
|
428 |
uint8_t buf_temp[MAX_STRUCT_SIZE]; |
429 |
|
430 |
ie = ioctl_entries; |
431 |
for(;;) {
|
432 |
if (ie->target_cmd == 0) { |
433 |
gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
|
434 |
return -ENOSYS;
|
435 |
} |
436 |
if (ie->target_cmd == cmd)
|
437 |
break;
|
438 |
ie++; |
439 |
} |
440 |
arg_type = ie->arg_type; |
441 |
#if defined(DEBUG)
|
442 |
gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
|
443 |
#endif
|
444 |
switch(arg_type[0]) { |
445 |
case TYPE_NULL:
|
446 |
/* no argument */
|
447 |
ret = get_errno(ioctl(fd, ie->host_cmd)); |
448 |
break;
|
449 |
case TYPE_PTRVOID:
|
450 |
case TYPE_INT:
|
451 |
/* int argment */
|
452 |
ret = get_errno(ioctl(fd, ie->host_cmd, arg)); |
453 |
break;
|
454 |
case TYPE_PTR:
|
455 |
arg_type++; |
456 |
switch(ie->access) {
|
457 |
case IOC_R:
|
458 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
459 |
if (!is_error(ret)) {
|
460 |
thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
|
461 |
} |
462 |
break;
|
463 |
case IOC_W:
|
464 |
thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
|
465 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
466 |
break;
|
467 |
default:
|
468 |
case IOC_RW:
|
469 |
thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
|
470 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
471 |
if (!is_error(ret)) {
|
472 |
thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
|
473 |
} |
474 |
break;
|
475 |
} |
476 |
break;
|
477 |
default:
|
478 |
gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); |
479 |
ret = -ENOSYS; |
480 |
break;
|
481 |
} |
482 |
return ret;
|
483 |
} |
484 |
|
485 |
bitmask_transtbl iflag_tbl[] = { |
486 |
{ TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
487 |
{ TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, |
488 |
{ TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, |
489 |
{ TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, |
490 |
{ TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, |
491 |
{ TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, |
492 |
{ TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, |
493 |
{ TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, |
494 |
{ TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, |
495 |
{ TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, |
496 |
{ TARGET_IXON, TARGET_IXON, IXON, IXON }, |
497 |
{ TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, |
498 |
{ TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, |
499 |
{ TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, |
500 |
{ 0, 0, 0, 0 } |
501 |
}; |
502 |
|
503 |
bitmask_transtbl oflag_tbl[] = { |
504 |
{ TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
505 |
{ TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, |
506 |
{ TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, |
507 |
{ TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, |
508 |
{ TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, |
509 |
{ TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, |
510 |
{ TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, |
511 |
{ TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, |
512 |
{ TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, |
513 |
{ TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, |
514 |
{ TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, |
515 |
{ TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, |
516 |
{ TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, |
517 |
{ TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, |
518 |
{ TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, |
519 |
{ TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, |
520 |
{ TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, |
521 |
{ TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, |
522 |
{ TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, |
523 |
{ TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, |
524 |
{ TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, |
525 |
{ TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, |
526 |
{ TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, |
527 |
{ TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, |
528 |
{ 0, 0, 0, 0 } |
529 |
}; |
530 |
|
531 |
bitmask_transtbl cflag_tbl[] = { |
532 |
{ TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
533 |
{ TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, |
534 |
{ TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, |
535 |
{ TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, |
536 |
{ TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, |
537 |
{ TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, |
538 |
{ TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, |
539 |
{ TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, |
540 |
{ TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, |
541 |
{ TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, |
542 |
{ TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, |
543 |
{ TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, |
544 |
{ TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, |
545 |
{ TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, |
546 |
{ TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, |
547 |
{ TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, |
548 |
{ TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, |
549 |
{ TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, |
550 |
{ TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, |
551 |
{ TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, |
552 |
{ TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, |
553 |
{ TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, |
554 |
{ TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, |
555 |
{ TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, |
556 |
{ TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, |
557 |
{ TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, |
558 |
{ TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, |
559 |
{ TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, |
560 |
{ TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, |
561 |
{ TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, |
562 |
{ TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, |
563 |
{ 0, 0, 0, 0 } |
564 |
}; |
565 |
|
566 |
bitmask_transtbl lflag_tbl[] = { |
567 |
{ TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
568 |
{ TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, |
569 |
{ TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, |
570 |
{ TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, |
571 |
{ TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, |
572 |
{ TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, |
573 |
{ TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, |
574 |
{ TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, |
575 |
{ TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, |
576 |
{ TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, |
577 |
{ TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, |
578 |
{ TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, |
579 |
{ TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, |
580 |
{ TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, |
581 |
{ TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, |
582 |
{ 0, 0, 0, 0 } |
583 |
}; |
584 |
|
585 |
static void target_to_host_termios (void *dst, const void *src) |
586 |
{ |
587 |
struct host_termios *host = dst;
|
588 |
const struct target_termios *target = src; |
589 |
|
590 |
host->c_iflag = |
591 |
target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
592 |
host->c_oflag = |
593 |
target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
594 |
host->c_cflag = |
595 |
target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
596 |
host->c_lflag = |
597 |
target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
598 |
host->c_line = target->c_line; |
599 |
|
600 |
host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
601 |
host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; |
602 |
host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
603 |
host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
604 |
host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
605 |
host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
606 |
host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
607 |
host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
608 |
host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
609 |
host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
610 |
host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; |
611 |
host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
612 |
host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; |
613 |
host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; |
614 |
host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; |
615 |
host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; |
616 |
host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
617 |
} |
618 |
|
619 |
static void host_to_target_termios (void *dst, const void *src) |
620 |
{ |
621 |
struct target_termios *target = dst;
|
622 |
const struct host_termios *host = src; |
623 |
|
624 |
target->c_iflag = |
625 |
tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
626 |
target->c_oflag = |
627 |
tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
628 |
target->c_cflag = |
629 |
tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
630 |
target->c_lflag = |
631 |
tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
632 |
target->c_line = host->c_line; |
633 |
|
634 |
target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
635 |
target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; |
636 |
target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; |
637 |
target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; |
638 |
target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; |
639 |
target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; |
640 |
target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; |
641 |
target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; |
642 |
target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; |
643 |
target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; |
644 |
target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; |
645 |
target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; |
646 |
target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; |
647 |
target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; |
648 |
target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; |
649 |
target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; |
650 |
target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; |
651 |
} |
652 |
|
653 |
StructEntry struct_termios_def = { |
654 |
.convert = { host_to_target_termios, target_to_host_termios }, |
655 |
.size = { sizeof(struct target_termios), sizeof(struct host_termios) }, |
656 |
.align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, |
657 |
}; |
658 |
|
659 |
#ifdef TARGET_I386
|
660 |
|
661 |
/* NOTE: there is really one LDT for all the threads */
|
662 |
uint8_t *ldt_table; |
663 |
|
664 |
static int read_ldt(void *ptr, unsigned long bytecount) |
665 |
{ |
666 |
int size;
|
667 |
|
668 |
if (!ldt_table)
|
669 |
return 0; |
670 |
size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; |
671 |
if (size > bytecount)
|
672 |
size = bytecount; |
673 |
memcpy(ptr, ldt_table, size); |
674 |
return size;
|
675 |
} |
676 |
|
677 |
/* XXX: add locking support */
|
678 |
static int write_ldt(CPUX86State *env, |
679 |
void *ptr, unsigned long bytecount, int oldmode) |
680 |
{ |
681 |
struct target_modify_ldt_ldt_s ldt_info;
|
682 |
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
683 |
int seg_not_present, useable;
|
684 |
uint32_t *lp, entry_1, entry_2; |
685 |
|
686 |
if (bytecount != sizeof(ldt_info)) |
687 |
return -EINVAL;
|
688 |
memcpy(&ldt_info, ptr, sizeof(ldt_info));
|
689 |
tswap32s(&ldt_info.entry_number); |
690 |
tswapls((long *)&ldt_info.base_addr);
|
691 |
tswap32s(&ldt_info.limit); |
692 |
tswap32s(&ldt_info.flags); |
693 |
|
694 |
if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
|
695 |
return -EINVAL;
|
696 |
seg_32bit = ldt_info.flags & 1;
|
697 |
contents = (ldt_info.flags >> 1) & 3; |
698 |
read_exec_only = (ldt_info.flags >> 3) & 1; |
699 |
limit_in_pages = (ldt_info.flags >> 4) & 1; |
700 |
seg_not_present = (ldt_info.flags >> 5) & 1; |
701 |
useable = (ldt_info.flags >> 6) & 1; |
702 |
|
703 |
if (contents == 3) { |
704 |
if (oldmode)
|
705 |
return -EINVAL;
|
706 |
if (seg_not_present == 0) |
707 |
return -EINVAL;
|
708 |
} |
709 |
/* allocate the LDT */
|
710 |
if (!ldt_table) {
|
711 |
ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
712 |
if (!ldt_table)
|
713 |
return -ENOMEM;
|
714 |
memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
|
715 |
env->ldt.base = ldt_table; |
716 |
env->ldt.limit = 0xffff;
|
717 |
} |
718 |
|
719 |
/* NOTE: same code as Linux kernel */
|
720 |
/* Allow LDTs to be cleared by the user. */
|
721 |
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
722 |
if (oldmode ||
|
723 |
(contents == 0 &&
|
724 |
read_exec_only == 1 &&
|
725 |
seg_32bit == 0 &&
|
726 |
limit_in_pages == 0 &&
|
727 |
seg_not_present == 1 &&
|
728 |
useable == 0 )) {
|
729 |
entry_1 = 0;
|
730 |
entry_2 = 0;
|
731 |
goto install;
|
732 |
} |
733 |
} |
734 |
|
735 |
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
736 |
(ldt_info.limit & 0x0ffff);
|
737 |
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
738 |
((ldt_info.base_addr & 0x00ff0000) >> 16) | |
739 |
(ldt_info.limit & 0xf0000) |
|
740 |
((read_exec_only ^ 1) << 9) | |
741 |
(contents << 10) |
|
742 |
((seg_not_present ^ 1) << 15) | |
743 |
(seg_32bit << 22) |
|
744 |
(limit_in_pages << 23) |
|
745 |
0x7000;
|
746 |
if (!oldmode)
|
747 |
entry_2 |= (useable << 20);
|
748 |
|
749 |
/* Install the new entry ... */
|
750 |
install:
|
751 |
lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
|
752 |
lp[0] = tswap32(entry_1);
|
753 |
lp[1] = tswap32(entry_2);
|
754 |
return 0; |
755 |
} |
756 |
|
757 |
/* specific and weird i386 syscalls */
|
758 |
int gemu_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount) |
759 |
{ |
760 |
int ret = -ENOSYS;
|
761 |
|
762 |
switch (func) {
|
763 |
case 0: |
764 |
ret = read_ldt(ptr, bytecount); |
765 |
break;
|
766 |
case 1: |
767 |
ret = write_ldt(env, ptr, bytecount, 1);
|
768 |
break;
|
769 |
case 0x11: |
770 |
ret = write_ldt(env, ptr, bytecount, 0);
|
771 |
break;
|
772 |
} |
773 |
return ret;
|
774 |
} |
775 |
|
776 |
/* this stack is the equivalent of the kernel stack associated with a
|
777 |
thread/process */
|
778 |
#define NEW_STACK_SIZE 8192 |
779 |
|
780 |
static int clone_func(void *arg) |
781 |
{ |
782 |
CPUX86State *env = arg; |
783 |
cpu_loop(env); |
784 |
/* never exits */
|
785 |
return 0; |
786 |
} |
787 |
|
788 |
int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp) |
789 |
{ |
790 |
int ret;
|
791 |
uint8_t *new_stack; |
792 |
CPUX86State *new_env; |
793 |
|
794 |
if (flags & CLONE_VM) {
|
795 |
if (!newsp)
|
796 |
newsp = env->regs[R_ESP]; |
797 |
new_stack = malloc(NEW_STACK_SIZE); |
798 |
|
799 |
/* we create a new CPU instance. */
|
800 |
new_env = cpu_x86_init(); |
801 |
memcpy(new_env, env, sizeof(CPUX86State));
|
802 |
new_env->regs[R_ESP] = newsp; |
803 |
new_env->regs[R_EAX] = 0;
|
804 |
ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); |
805 |
} else {
|
806 |
/* if no CLONE_VM, we consider it is a fork */
|
807 |
if ((flags & ~CSIGNAL) != 0) |
808 |
return -EINVAL;
|
809 |
ret = fork(); |
810 |
} |
811 |
return ret;
|
812 |
} |
813 |
|
814 |
#endif
|
815 |
|
816 |
#define high2lowuid(x) (x)
|
817 |
#define high2lowgid(x) (x)
|
818 |
#define low2highuid(x) (x)
|
819 |
#define low2highgid(x) (x)
|
820 |
|
821 |
void syscall_init(void) |
822 |
{ |
823 |
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
824 |
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
825 |
#include "syscall_types.h" |
826 |
#undef STRUCT
|
827 |
#undef STRUCT_SPECIAL
|
828 |
} |
829 |
|
830 |
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, |
831 |
long arg4, long arg5, long arg6) |
832 |
{ |
833 |
long ret;
|
834 |
struct stat st;
|
835 |
struct kernel_statfs *stfs;
|
836 |
|
837 |
#ifdef DEBUG
|
838 |
gemu_log("syscall %d\n", num);
|
839 |
#endif
|
840 |
switch(num) {
|
841 |
case TARGET_NR_exit:
|
842 |
#ifdef HAVE_GPROF
|
843 |
_mcleanup(); |
844 |
#endif
|
845 |
/* XXX: should free thread stack and CPU env */
|
846 |
_exit(arg1); |
847 |
ret = 0; /* avoid warning */ |
848 |
break;
|
849 |
case TARGET_NR_read:
|
850 |
ret = get_errno(read(arg1, (void *)arg2, arg3));
|
851 |
break;
|
852 |
case TARGET_NR_write:
|
853 |
ret = get_errno(write(arg1, (void *)arg2, arg3));
|
854 |
break;
|
855 |
case TARGET_NR_open:
|
856 |
ret = get_errno(open((const char *)arg1, arg2, arg3)); |
857 |
break;
|
858 |
case TARGET_NR_close:
|
859 |
ret = get_errno(close(arg1)); |
860 |
break;
|
861 |
case TARGET_NR_brk:
|
862 |
ret = do_brk((char *)arg1);
|
863 |
break;
|
864 |
case TARGET_NR_fork:
|
865 |
ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
|
866 |
break;
|
867 |
case TARGET_NR_waitpid:
|
868 |
{ |
869 |
int *status = (int *)arg2; |
870 |
ret = get_errno(waitpid(arg1, status, arg3)); |
871 |
if (!is_error(ret) && status)
|
872 |
tswapls((long *)&status);
|
873 |
} |
874 |
break;
|
875 |
case TARGET_NR_creat:
|
876 |
ret = get_errno(creat((const char *)arg1, arg2)); |
877 |
break;
|
878 |
case TARGET_NR_link:
|
879 |
ret = get_errno(link((const char *)arg1, (const char *)arg2)); |
880 |
break;
|
881 |
case TARGET_NR_unlink:
|
882 |
ret = get_errno(unlink((const char *)arg1)); |
883 |
break;
|
884 |
case TARGET_NR_execve:
|
885 |
ret = get_errno(execve((const char *)arg1, (void *)arg2, (void *)arg3)); |
886 |
break;
|
887 |
case TARGET_NR_chdir:
|
888 |
ret = get_errno(chdir((const char *)arg1)); |
889 |
break;
|
890 |
case TARGET_NR_time:
|
891 |
{ |
892 |
int *time_ptr = (int *)arg1; |
893 |
ret = get_errno(time((time_t *)time_ptr)); |
894 |
if (!is_error(ret) && time_ptr)
|
895 |
tswap32s(time_ptr); |
896 |
} |
897 |
break;
|
898 |
case TARGET_NR_mknod:
|
899 |
ret = get_errno(mknod((const char *)arg1, arg2, arg3)); |
900 |
break;
|
901 |
case TARGET_NR_chmod:
|
902 |
ret = get_errno(chmod((const char *)arg1, arg2)); |
903 |
break;
|
904 |
case TARGET_NR_lchown:
|
905 |
ret = get_errno(chown((const char *)arg1, arg2, arg3)); |
906 |
break;
|
907 |
case TARGET_NR_break:
|
908 |
goto unimplemented;
|
909 |
case TARGET_NR_oldstat:
|
910 |
goto unimplemented;
|
911 |
case TARGET_NR_lseek:
|
912 |
ret = get_errno(lseek(arg1, arg2, arg3)); |
913 |
break;
|
914 |
case TARGET_NR_getpid:
|
915 |
ret = get_errno(getpid()); |
916 |
break;
|
917 |
case TARGET_NR_mount:
|
918 |
/* need to look at the data field */
|
919 |
goto unimplemented;
|
920 |
case TARGET_NR_umount:
|
921 |
ret = get_errno(umount((const char *)arg1)); |
922 |
break;
|
923 |
case TARGET_NR_setuid:
|
924 |
ret = get_errno(setuid(low2highuid(arg1))); |
925 |
break;
|
926 |
case TARGET_NR_getuid:
|
927 |
ret = get_errno(getuid()); |
928 |
break;
|
929 |
case TARGET_NR_stime:
|
930 |
{ |
931 |
int *time_ptr = (int *)arg1; |
932 |
if (time_ptr)
|
933 |
tswap32s(time_ptr); |
934 |
ret = get_errno(stime((time_t *)time_ptr)); |
935 |
} |
936 |
break;
|
937 |
case TARGET_NR_ptrace:
|
938 |
goto unimplemented;
|
939 |
case TARGET_NR_alarm:
|
940 |
ret = alarm(arg1); |
941 |
break;
|
942 |
case TARGET_NR_oldfstat:
|
943 |
goto unimplemented;
|
944 |
case TARGET_NR_pause:
|
945 |
ret = get_errno(pause()); |
946 |
break;
|
947 |
case TARGET_NR_utime:
|
948 |
goto unimplemented;
|
949 |
case TARGET_NR_stty:
|
950 |
goto unimplemented;
|
951 |
case TARGET_NR_gtty:
|
952 |
goto unimplemented;
|
953 |
case TARGET_NR_access:
|
954 |
ret = get_errno(access((const char *)arg1, arg2)); |
955 |
break;
|
956 |
case TARGET_NR_nice:
|
957 |
ret = get_errno(nice(arg1)); |
958 |
break;
|
959 |
case TARGET_NR_ftime:
|
960 |
goto unimplemented;
|
961 |
case TARGET_NR_sync:
|
962 |
sync(); |
963 |
ret = 0;
|
964 |
break;
|
965 |
case TARGET_NR_kill:
|
966 |
ret = get_errno(kill(arg1, arg2)); |
967 |
break;
|
968 |
case TARGET_NR_rename:
|
969 |
ret = get_errno(rename((const char *)arg1, (const char *)arg2)); |
970 |
break;
|
971 |
case TARGET_NR_mkdir:
|
972 |
ret = get_errno(mkdir((const char *)arg1, arg2)); |
973 |
break;
|
974 |
case TARGET_NR_rmdir:
|
975 |
ret = get_errno(rmdir((const char *)arg1)); |
976 |
break;
|
977 |
case TARGET_NR_dup:
|
978 |
ret = get_errno(dup(arg1)); |
979 |
break;
|
980 |
case TARGET_NR_pipe:
|
981 |
{ |
982 |
int *pipe_ptr = (int *)arg1; |
983 |
ret = get_errno(pipe(pipe_ptr)); |
984 |
if (!is_error(ret)) {
|
985 |
tswap32s(&pipe_ptr[0]);
|
986 |
tswap32s(&pipe_ptr[1]);
|
987 |
} |
988 |
} |
989 |
break;
|
990 |
case TARGET_NR_times:
|
991 |
goto unimplemented;
|
992 |
case TARGET_NR_prof:
|
993 |
goto unimplemented;
|
994 |
case TARGET_NR_setgid:
|
995 |
ret = get_errno(setgid(low2highgid(arg1))); |
996 |
break;
|
997 |
case TARGET_NR_getgid:
|
998 |
ret = get_errno(getgid()); |
999 |
break;
|
1000 |
case TARGET_NR_signal:
|
1001 |
goto unimplemented;
|
1002 |
case TARGET_NR_geteuid:
|
1003 |
ret = get_errno(geteuid()); |
1004 |
break;
|
1005 |
case TARGET_NR_getegid:
|
1006 |
ret = get_errno(getegid()); |
1007 |
break;
|
1008 |
case TARGET_NR_acct:
|
1009 |
goto unimplemented;
|
1010 |
case TARGET_NR_umount2:
|
1011 |
ret = get_errno(umount2((const char *)arg1, arg2)); |
1012 |
break;
|
1013 |
case TARGET_NR_lock:
|
1014 |
goto unimplemented;
|
1015 |
case TARGET_NR_ioctl:
|
1016 |
ret = do_ioctl(arg1, arg2, arg3); |
1017 |
break;
|
1018 |
case TARGET_NR_fcntl:
|
1019 |
switch(arg2) {
|
1020 |
case F_GETLK:
|
1021 |
case F_SETLK:
|
1022 |
case F_SETLKW:
|
1023 |
goto unimplemented;
|
1024 |
default:
|
1025 |
ret = get_errno(fcntl(arg1, arg2, arg3)); |
1026 |
break;
|
1027 |
} |
1028 |
break;
|
1029 |
case TARGET_NR_mpx:
|
1030 |
goto unimplemented;
|
1031 |
case TARGET_NR_setpgid:
|
1032 |
ret = get_errno(setpgid(arg1, arg2)); |
1033 |
break;
|
1034 |
case TARGET_NR_ulimit:
|
1035 |
goto unimplemented;
|
1036 |
case TARGET_NR_oldolduname:
|
1037 |
goto unimplemented;
|
1038 |
case TARGET_NR_umask:
|
1039 |
ret = get_errno(umask(arg1)); |
1040 |
break;
|
1041 |
case TARGET_NR_chroot:
|
1042 |
ret = get_errno(chroot((const char *)arg1)); |
1043 |
break;
|
1044 |
case TARGET_NR_ustat:
|
1045 |
goto unimplemented;
|
1046 |
case TARGET_NR_dup2:
|
1047 |
ret = get_errno(dup2(arg1, arg2)); |
1048 |
break;
|
1049 |
case TARGET_NR_getppid:
|
1050 |
ret = get_errno(getppid()); |
1051 |
break;
|
1052 |
case TARGET_NR_getpgrp:
|
1053 |
ret = get_errno(getpgrp()); |
1054 |
break;
|
1055 |
case TARGET_NR_setsid:
|
1056 |
ret = get_errno(setsid()); |
1057 |
break;
|
1058 |
case TARGET_NR_sigaction:
|
1059 |
{ |
1060 |
struct target_old_sigaction *old_act = (void *)arg2; |
1061 |
struct target_old_sigaction *old_oact = (void *)arg3; |
1062 |
struct target_sigaction act, oact, *pact;
|
1063 |
if (old_act) {
|
1064 |
act._sa_handler = old_act->_sa_handler; |
1065 |
target_siginitset(&act.sa_mask, old_act->sa_mask); |
1066 |
act.sa_flags = old_act->sa_flags; |
1067 |
act.sa_restorer = old_act->sa_restorer; |
1068 |
pact = &act; |
1069 |
} else {
|
1070 |
pact = NULL;
|
1071 |
} |
1072 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
1073 |
if (!is_error(ret) && old_oact) {
|
1074 |
old_oact->_sa_handler = oact._sa_handler; |
1075 |
old_oact->sa_mask = oact.sa_mask.sig[0];
|
1076 |
old_oact->sa_flags = oact.sa_flags; |
1077 |
old_oact->sa_restorer = oact.sa_restorer; |
1078 |
} |
1079 |
} |
1080 |
break;
|
1081 |
case TARGET_NR_rt_sigaction:
|
1082 |
ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3)); |
1083 |
break;
|
1084 |
case TARGET_NR_sgetmask:
|
1085 |
{ |
1086 |
sigset_t cur_set; |
1087 |
target_ulong target_set; |
1088 |
sigprocmask(0, NULL, &cur_set); |
1089 |
host_to_target_old_sigset(&target_set, &cur_set); |
1090 |
ret = target_set; |
1091 |
} |
1092 |
break;
|
1093 |
case TARGET_NR_ssetmask:
|
1094 |
{ |
1095 |
sigset_t set, oset, cur_set; |
1096 |
target_ulong target_set = arg1; |
1097 |
sigprocmask(0, NULL, &cur_set); |
1098 |
target_to_host_old_sigset(&set, &target_set); |
1099 |
sigorset(&set, &set, &cur_set); |
1100 |
sigprocmask(SIG_SETMASK, &set, &oset); |
1101 |
host_to_target_old_sigset(&target_set, &oset); |
1102 |
ret = target_set; |
1103 |
} |
1104 |
break;
|
1105 |
case TARGET_NR_sigprocmask:
|
1106 |
{ |
1107 |
int how = arg1;
|
1108 |
sigset_t set, oldset, *set_ptr; |
1109 |
target_ulong *pset = (void *)arg2, *poldset = (void *)arg3; |
1110 |
|
1111 |
if (pset) {
|
1112 |
switch(how) {
|
1113 |
case TARGET_SIG_BLOCK:
|
1114 |
how = SIG_BLOCK; |
1115 |
break;
|
1116 |
case TARGET_SIG_UNBLOCK:
|
1117 |
how = SIG_UNBLOCK; |
1118 |
break;
|
1119 |
case TARGET_SIG_SETMASK:
|
1120 |
how = SIG_SETMASK; |
1121 |
break;
|
1122 |
default:
|
1123 |
ret = -EINVAL; |
1124 |
goto fail;
|
1125 |
} |
1126 |
target_to_host_old_sigset(&set, pset); |
1127 |
set_ptr = &set; |
1128 |
} else {
|
1129 |
how = 0;
|
1130 |
set_ptr = NULL;
|
1131 |
} |
1132 |
ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); |
1133 |
if (!is_error(ret) && poldset) {
|
1134 |
host_to_target_old_sigset(poldset, &oldset); |
1135 |
} |
1136 |
} |
1137 |
break;
|
1138 |
case TARGET_NR_rt_sigprocmask:
|
1139 |
{ |
1140 |
int how = arg1;
|
1141 |
sigset_t set, oldset, *set_ptr; |
1142 |
target_sigset_t *pset = (void *)arg2;
|
1143 |
target_sigset_t *poldset = (void *)arg3;
|
1144 |
|
1145 |
if (pset) {
|
1146 |
switch(how) {
|
1147 |
case TARGET_SIG_BLOCK:
|
1148 |
how = SIG_BLOCK; |
1149 |
break;
|
1150 |
case TARGET_SIG_UNBLOCK:
|
1151 |
how = SIG_UNBLOCK; |
1152 |
break;
|
1153 |
case TARGET_SIG_SETMASK:
|
1154 |
how = SIG_SETMASK; |
1155 |
break;
|
1156 |
default:
|
1157 |
ret = -EINVAL; |
1158 |
goto fail;
|
1159 |
} |
1160 |
target_to_host_sigset(&set, pset); |
1161 |
set_ptr = &set; |
1162 |
} else {
|
1163 |
how = 0;
|
1164 |
set_ptr = NULL;
|
1165 |
} |
1166 |
ret = get_errno(sigprocmask(how, set_ptr, &oldset)); |
1167 |
if (!is_error(ret) && poldset) {
|
1168 |
host_to_target_sigset(poldset, &oldset); |
1169 |
} |
1170 |
} |
1171 |
break;
|
1172 |
case TARGET_NR_sigpending:
|
1173 |
{ |
1174 |
sigset_t set; |
1175 |
ret = get_errno(sigpending(&set)); |
1176 |
if (!is_error(ret)) {
|
1177 |
host_to_target_old_sigset((target_ulong *)arg1, &set); |
1178 |
} |
1179 |
} |
1180 |
break;
|
1181 |
case TARGET_NR_rt_sigpending:
|
1182 |
{ |
1183 |
sigset_t set; |
1184 |
ret = get_errno(sigpending(&set)); |
1185 |
if (!is_error(ret)) {
|
1186 |
host_to_target_sigset((target_sigset_t *)arg1, &set); |
1187 |
} |
1188 |
} |
1189 |
break;
|
1190 |
case TARGET_NR_sigsuspend:
|
1191 |
{ |
1192 |
sigset_t set; |
1193 |
target_to_host_old_sigset(&set, (target_ulong *)arg1); |
1194 |
ret = get_errno(sigsuspend(&set)); |
1195 |
} |
1196 |
break;
|
1197 |
case TARGET_NR_rt_sigsuspend:
|
1198 |
{ |
1199 |
sigset_t set; |
1200 |
target_to_host_sigset(&set, (target_sigset_t *)arg1); |
1201 |
ret = get_errno(sigsuspend(&set)); |
1202 |
} |
1203 |
break;
|
1204 |
case TARGET_NR_rt_sigtimedwait:
|
1205 |
{ |
1206 |
target_sigset_t *target_set = (void *)arg1;
|
1207 |
target_siginfo_t *target_uinfo = (void *)arg2;
|
1208 |
struct target_timespec *target_uts = (void *)arg3; |
1209 |
sigset_t set; |
1210 |
struct timespec uts, *puts;
|
1211 |
siginfo_t uinfo; |
1212 |
|
1213 |
target_to_host_sigset(&set, target_set); |
1214 |
if (target_uts) {
|
1215 |
puts = &uts; |
1216 |
puts->tv_sec = tswapl(target_uts->tv_sec); |
1217 |
puts->tv_nsec = tswapl(target_uts->tv_nsec); |
1218 |
} else {
|
1219 |
puts = NULL;
|
1220 |
} |
1221 |
ret = get_errno(sigtimedwait(&set, &uinfo, puts)); |
1222 |
if (!is_error(ret) && target_uinfo) {
|
1223 |
host_to_target_siginfo(target_uinfo, &uinfo); |
1224 |
} |
1225 |
} |
1226 |
break;
|
1227 |
case TARGET_NR_rt_sigqueueinfo:
|
1228 |
{ |
1229 |
siginfo_t uinfo; |
1230 |
target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3); |
1231 |
ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
1232 |
} |
1233 |
break;
|
1234 |
case TARGET_NR_sigreturn:
|
1235 |
/* NOTE: ret is eax, so not transcoding must be done */
|
1236 |
ret = do_sigreturn(cpu_env); |
1237 |
break;
|
1238 |
case TARGET_NR_rt_sigreturn:
|
1239 |
/* NOTE: ret is eax, so not transcoding must be done */
|
1240 |
ret = do_rt_sigreturn(cpu_env); |
1241 |
break;
|
1242 |
case TARGET_NR_setreuid:
|
1243 |
ret = get_errno(setreuid(arg1, arg2)); |
1244 |
break;
|
1245 |
case TARGET_NR_setregid:
|
1246 |
ret = get_errno(setregid(arg1, arg2)); |
1247 |
break;
|
1248 |
case TARGET_NR_sethostname:
|
1249 |
ret = get_errno(sethostname((const char *)arg1, arg2)); |
1250 |
break;
|
1251 |
case TARGET_NR_setrlimit:
|
1252 |
{ |
1253 |
/* XXX: convert resource ? */
|
1254 |
int resource = arg1;
|
1255 |
struct target_rlimit *target_rlim = (void *)arg2; |
1256 |
struct rlimit rlim;
|
1257 |
rlim.rlim_cur = tswapl(target_rlim->rlim_cur); |
1258 |
rlim.rlim_max = tswapl(target_rlim->rlim_max); |
1259 |
ret = get_errno(setrlimit(resource, &rlim)); |
1260 |
} |
1261 |
break;
|
1262 |
case TARGET_NR_getrlimit:
|
1263 |
{ |
1264 |
/* XXX: convert resource ? */
|
1265 |
int resource = arg1;
|
1266 |
struct target_rlimit *target_rlim = (void *)arg2; |
1267 |
struct rlimit rlim;
|
1268 |
|
1269 |
ret = get_errno(getrlimit(resource, &rlim)); |
1270 |
if (!is_error(ret)) {
|
1271 |
target_rlim->rlim_cur = tswapl(rlim.rlim_cur); |
1272 |
target_rlim->rlim_max = tswapl(rlim.rlim_max); |
1273 |
} |
1274 |
} |
1275 |
break;
|
1276 |
case TARGET_NR_getrusage:
|
1277 |
goto unimplemented;
|
1278 |
case TARGET_NR_gettimeofday:
|
1279 |
{ |
1280 |
struct target_timeval *target_tv = (void *)arg1; |
1281 |
struct timeval tv;
|
1282 |
ret = get_errno(gettimeofday(&tv, NULL));
|
1283 |
if (!is_error(ret)) {
|
1284 |
target_tv->tv_sec = tswapl(tv.tv_sec); |
1285 |
target_tv->tv_usec = tswapl(tv.tv_usec); |
1286 |
} |
1287 |
} |
1288 |
break;
|
1289 |
case TARGET_NR_settimeofday:
|
1290 |
{ |
1291 |
struct target_timeval *target_tv = (void *)arg1; |
1292 |
struct timeval tv;
|
1293 |
tv.tv_sec = tswapl(target_tv->tv_sec); |
1294 |
tv.tv_usec = tswapl(target_tv->tv_usec); |
1295 |
ret = get_errno(settimeofday(&tv, NULL));
|
1296 |
} |
1297 |
break;
|
1298 |
case TARGET_NR_getgroups:
|
1299 |
goto unimplemented;
|
1300 |
case TARGET_NR_setgroups:
|
1301 |
goto unimplemented;
|
1302 |
case TARGET_NR_select:
|
1303 |
goto unimplemented;
|
1304 |
case TARGET_NR_symlink:
|
1305 |
ret = get_errno(symlink((const char *)arg1, (const char *)arg2)); |
1306 |
break;
|
1307 |
case TARGET_NR_oldlstat:
|
1308 |
goto unimplemented;
|
1309 |
case TARGET_NR_readlink:
|
1310 |
ret = get_errno(readlink((const char *)arg1, (char *)arg2, arg3)); |
1311 |
break;
|
1312 |
case TARGET_NR_uselib:
|
1313 |
goto unimplemented;
|
1314 |
case TARGET_NR_swapon:
|
1315 |
ret = get_errno(swapon((const char *)arg1, arg2)); |
1316 |
break;
|
1317 |
case TARGET_NR_reboot:
|
1318 |
goto unimplemented;
|
1319 |
case TARGET_NR_readdir:
|
1320 |
goto unimplemented;
|
1321 |
#ifdef TARGET_I386
|
1322 |
case TARGET_NR_mmap:
|
1323 |
{ |
1324 |
uint32_t v1, v2, v3, v4, v5, v6, *vptr; |
1325 |
vptr = (uint32_t *)arg1; |
1326 |
v1 = tswap32(vptr[0]);
|
1327 |
v2 = tswap32(vptr[1]);
|
1328 |
v3 = tswap32(vptr[2]);
|
1329 |
v4 = tswap32(vptr[3]);
|
1330 |
v5 = tswap32(vptr[4]);
|
1331 |
v6 = tswap32(vptr[5]);
|
1332 |
ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6)); |
1333 |
} |
1334 |
break;
|
1335 |
#endif
|
1336 |
#ifdef TARGET_I386
|
1337 |
case TARGET_NR_mmap2:
|
1338 |
#else
|
1339 |
case TARGET_NR_mmap:
|
1340 |
#endif
|
1341 |
ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6)); |
1342 |
break;
|
1343 |
case TARGET_NR_munmap:
|
1344 |
ret = get_errno(munmap((void *)arg1, arg2));
|
1345 |
break;
|
1346 |
case TARGET_NR_mprotect:
|
1347 |
ret = get_errno(mprotect((void *)arg1, arg2, arg3));
|
1348 |
break;
|
1349 |
case TARGET_NR_mremap:
|
1350 |
ret = get_errno((long)mremap((void *)arg1, arg2, arg3, arg4)); |
1351 |
break;
|
1352 |
case TARGET_NR_msync:
|
1353 |
ret = get_errno(msync((void *)arg1, arg2, arg3));
|
1354 |
break;
|
1355 |
case TARGET_NR_mlock:
|
1356 |
ret = get_errno(mlock((void *)arg1, arg2));
|
1357 |
break;
|
1358 |
case TARGET_NR_munlock:
|
1359 |
ret = get_errno(munlock((void *)arg1, arg2));
|
1360 |
break;
|
1361 |
case TARGET_NR_mlockall:
|
1362 |
ret = get_errno(mlockall(arg1)); |
1363 |
break;
|
1364 |
case TARGET_NR_munlockall:
|
1365 |
ret = get_errno(munlockall()); |
1366 |
break;
|
1367 |
case TARGET_NR_truncate:
|
1368 |
ret = get_errno(truncate((const char *)arg1, arg2)); |
1369 |
break;
|
1370 |
case TARGET_NR_ftruncate:
|
1371 |
ret = get_errno(ftruncate(arg1, arg2)); |
1372 |
break;
|
1373 |
case TARGET_NR_fchmod:
|
1374 |
ret = get_errno(fchmod(arg1, arg2)); |
1375 |
break;
|
1376 |
case TARGET_NR_fchown:
|
1377 |
ret = get_errno(fchown(arg1, arg2, arg3)); |
1378 |
break;
|
1379 |
case TARGET_NR_getpriority:
|
1380 |
ret = get_errno(getpriority(arg1, arg2)); |
1381 |
break;
|
1382 |
case TARGET_NR_setpriority:
|
1383 |
ret = get_errno(setpriority(arg1, arg2, arg3)); |
1384 |
break;
|
1385 |
case TARGET_NR_profil:
|
1386 |
goto unimplemented;
|
1387 |
case TARGET_NR_statfs:
|
1388 |
stfs = (void *)arg2;
|
1389 |
ret = get_errno(sys_statfs((const char *)arg1, stfs)); |
1390 |
convert_statfs:
|
1391 |
if (!is_error(ret)) {
|
1392 |
tswap32s(&stfs->f_type); |
1393 |
tswap32s(&stfs->f_bsize); |
1394 |
tswap32s(&stfs->f_blocks); |
1395 |
tswap32s(&stfs->f_bfree); |
1396 |
tswap32s(&stfs->f_bavail); |
1397 |
tswap32s(&stfs->f_files); |
1398 |
tswap32s(&stfs->f_ffree); |
1399 |
tswap32s(&stfs->f_fsid.val[0]);
|
1400 |
tswap32s(&stfs->f_fsid.val[1]);
|
1401 |
tswap32s(&stfs->f_namelen); |
1402 |
} |
1403 |
break;
|
1404 |
case TARGET_NR_fstatfs:
|
1405 |
stfs = (void *)arg2;
|
1406 |
ret = get_errno(sys_fstatfs(arg1, stfs)); |
1407 |
goto convert_statfs;
|
1408 |
case TARGET_NR_ioperm:
|
1409 |
goto unimplemented;
|
1410 |
case TARGET_NR_socketcall:
|
1411 |
ret = do_socketcall(arg1, (long *)arg2);
|
1412 |
break;
|
1413 |
case TARGET_NR_syslog:
|
1414 |
goto unimplemented;
|
1415 |
case TARGET_NR_setitimer:
|
1416 |
{ |
1417 |
struct target_itimerval *target_value = (void *)arg2; |
1418 |
struct target_itimerval *target_ovalue = (void *)arg3; |
1419 |
struct itimerval value, ovalue, *pvalue;
|
1420 |
|
1421 |
if (target_value) {
|
1422 |
pvalue = &value; |
1423 |
target_to_host_timeval(&pvalue->it_interval, |
1424 |
&target_value->it_interval); |
1425 |
target_to_host_timeval(&pvalue->it_value, |
1426 |
&target_value->it_value); |
1427 |
} else {
|
1428 |
pvalue = NULL;
|
1429 |
} |
1430 |
ret = get_errno(setitimer(arg1, pvalue, &ovalue)); |
1431 |
if (!is_error(ret) && target_ovalue) {
|
1432 |
host_to_target_timeval(&target_ovalue->it_interval, |
1433 |
&ovalue.it_interval); |
1434 |
host_to_target_timeval(&target_ovalue->it_value, |
1435 |
&ovalue.it_value); |
1436 |
} |
1437 |
} |
1438 |
break;
|
1439 |
case TARGET_NR_getitimer:
|
1440 |
{ |
1441 |
struct target_itimerval *target_value = (void *)arg2; |
1442 |
struct itimerval value;
|
1443 |
|
1444 |
ret = get_errno(getitimer(arg1, &value)); |
1445 |
if (!is_error(ret) && target_value) {
|
1446 |
host_to_target_timeval(&target_value->it_interval, |
1447 |
&value.it_interval); |
1448 |
host_to_target_timeval(&target_value->it_value, |
1449 |
&value.it_value); |
1450 |
} |
1451 |
} |
1452 |
break;
|
1453 |
case TARGET_NR_stat:
|
1454 |
ret = get_errno(stat((const char *)arg1, &st)); |
1455 |
goto do_stat;
|
1456 |
case TARGET_NR_lstat:
|
1457 |
ret = get_errno(lstat((const char *)arg1, &st)); |
1458 |
goto do_stat;
|
1459 |
case TARGET_NR_fstat:
|
1460 |
{ |
1461 |
ret = get_errno(fstat(arg1, &st)); |
1462 |
do_stat:
|
1463 |
if (!is_error(ret)) {
|
1464 |
struct target_stat *target_st = (void *)arg2; |
1465 |
target_st->st_dev = tswap16(st.st_dev); |
1466 |
target_st->st_ino = tswapl(st.st_ino); |
1467 |
target_st->st_mode = tswap16(st.st_mode); |
1468 |
target_st->st_nlink = tswap16(st.st_nlink); |
1469 |
target_st->st_uid = tswap16(st.st_uid); |
1470 |
target_st->st_gid = tswap16(st.st_gid); |
1471 |
target_st->st_rdev = tswap16(st.st_rdev); |
1472 |
target_st->st_size = tswapl(st.st_size); |
1473 |
target_st->st_blksize = tswapl(st.st_blksize); |
1474 |
target_st->st_blocks = tswapl(st.st_blocks); |
1475 |
target_st->st_atime = tswapl(st.st_atime); |
1476 |
target_st->st_mtime = tswapl(st.st_mtime); |
1477 |
target_st->st_ctime = tswapl(st.st_ctime); |
1478 |
} |
1479 |
} |
1480 |
break;
|
1481 |
case TARGET_NR_olduname:
|
1482 |
goto unimplemented;
|
1483 |
case TARGET_NR_iopl:
|
1484 |
goto unimplemented;
|
1485 |
case TARGET_NR_vhangup:
|
1486 |
ret = get_errno(vhangup()); |
1487 |
break;
|
1488 |
case TARGET_NR_idle:
|
1489 |
goto unimplemented;
|
1490 |
case TARGET_NR_vm86old:
|
1491 |
goto unimplemented;
|
1492 |
case TARGET_NR_wait4:
|
1493 |
{ |
1494 |
int status;
|
1495 |
target_long *status_ptr = (void *)arg2;
|
1496 |
struct rusage rusage, *rusage_ptr;
|
1497 |
struct target_rusage *target_rusage = (void *)arg4; |
1498 |
if (target_rusage)
|
1499 |
rusage_ptr = &rusage; |
1500 |
else
|
1501 |
rusage_ptr = NULL;
|
1502 |
ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); |
1503 |
if (!is_error(ret)) {
|
1504 |
if (status_ptr)
|
1505 |
*status_ptr = tswap32(status); |
1506 |
if (target_rusage) {
|
1507 |
target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec); |
1508 |
target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec); |
1509 |
target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec); |
1510 |
target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec); |
1511 |
target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss); |
1512 |
target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss); |
1513 |
target_rusage->ru_idrss = tswapl(rusage.ru_idrss); |
1514 |
target_rusage->ru_isrss = tswapl(rusage.ru_isrss); |
1515 |
target_rusage->ru_minflt = tswapl(rusage.ru_minflt); |
1516 |
target_rusage->ru_majflt = tswapl(rusage.ru_majflt); |
1517 |
target_rusage->ru_nswap = tswapl(rusage.ru_nswap); |
1518 |
target_rusage->ru_inblock = tswapl(rusage.ru_inblock); |
1519 |
target_rusage->ru_oublock = tswapl(rusage.ru_oublock); |
1520 |
target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd); |
1521 |
target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv); |
1522 |
target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals); |
1523 |
target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw); |
1524 |
target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw); |
1525 |
} |
1526 |
} |
1527 |
} |
1528 |
break;
|
1529 |
case TARGET_NR_swapoff:
|
1530 |
ret = get_errno(swapoff((const char *)arg1)); |
1531 |
break;
|
1532 |
case TARGET_NR_sysinfo:
|
1533 |
goto unimplemented;
|
1534 |
case TARGET_NR_ipc:
|
1535 |
goto unimplemented;
|
1536 |
case TARGET_NR_fsync:
|
1537 |
ret = get_errno(fsync(arg1)); |
1538 |
break;
|
1539 |
case TARGET_NR_clone:
|
1540 |
ret = get_errno(do_fork(cpu_env, arg1, arg2)); |
1541 |
break;
|
1542 |
case TARGET_NR_setdomainname:
|
1543 |
ret = get_errno(setdomainname((const char *)arg1, arg2)); |
1544 |
break;
|
1545 |
case TARGET_NR_uname:
|
1546 |
/* no need to transcode because we use the linux syscall */
|
1547 |
ret = get_errno(sys_uname((struct new_utsname *)arg1));
|
1548 |
break;
|
1549 |
#ifdef TARGET_I386
|
1550 |
case TARGET_NR_modify_ldt:
|
1551 |
ret = get_errno(gemu_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
|
1552 |
break;
|
1553 |
#endif
|
1554 |
case TARGET_NR_adjtimex:
|
1555 |
goto unimplemented;
|
1556 |
case TARGET_NR_create_module:
|
1557 |
case TARGET_NR_init_module:
|
1558 |
case TARGET_NR_delete_module:
|
1559 |
case TARGET_NR_get_kernel_syms:
|
1560 |
goto unimplemented;
|
1561 |
case TARGET_NR_quotactl:
|
1562 |
goto unimplemented;
|
1563 |
case TARGET_NR_getpgid:
|
1564 |
ret = get_errno(getpgid(arg1)); |
1565 |
break;
|
1566 |
case TARGET_NR_fchdir:
|
1567 |
ret = get_errno(fchdir(arg1)); |
1568 |
break;
|
1569 |
case TARGET_NR_bdflush:
|
1570 |
goto unimplemented;
|
1571 |
case TARGET_NR_sysfs:
|
1572 |
goto unimplemented;
|
1573 |
case TARGET_NR_personality:
|
1574 |
ret = get_errno(personality(arg1)); |
1575 |
break;
|
1576 |
case TARGET_NR_afs_syscall:
|
1577 |
goto unimplemented;
|
1578 |
case TARGET_NR_setfsuid:
|
1579 |
ret = get_errno(setfsuid(arg1)); |
1580 |
break;
|
1581 |
case TARGET_NR_setfsgid:
|
1582 |
ret = get_errno(setfsgid(arg1)); |
1583 |
break;
|
1584 |
case TARGET_NR__llseek:
|
1585 |
{ |
1586 |
int64_t res; |
1587 |
ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
1588 |
*(int64_t *)arg4 = tswap64(res); |
1589 |
} |
1590 |
break;
|
1591 |
case TARGET_NR_getdents:
|
1592 |
#if TARGET_LONG_SIZE != 4 |
1593 |
#error not supported
|
1594 |
#endif
|
1595 |
{ |
1596 |
struct dirent *dirp = (void *)arg2; |
1597 |
long count = arg3;
|
1598 |
|
1599 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
1600 |
if (!is_error(ret)) {
|
1601 |
struct dirent *de;
|
1602 |
int len = ret;
|
1603 |
int reclen;
|
1604 |
de = dirp; |
1605 |
while (len > 0) { |
1606 |
reclen = tswap16(de->d_reclen); |
1607 |
if (reclen > len)
|
1608 |
break;
|
1609 |
de->d_reclen = reclen; |
1610 |
tswapls(&de->d_ino); |
1611 |
tswapls(&de->d_off); |
1612 |
de = (struct dirent *)((char *)de + reclen); |
1613 |
len -= reclen; |
1614 |
} |
1615 |
} |
1616 |
} |
1617 |
break;
|
1618 |
case TARGET_NR_getdents64:
|
1619 |
{ |
1620 |
struct dirent64 *dirp = (void *)arg2; |
1621 |
long count = arg3;
|
1622 |
ret = get_errno(sys_getdents64(arg1, dirp, count)); |
1623 |
if (!is_error(ret)) {
|
1624 |
struct dirent64 *de;
|
1625 |
int len = ret;
|
1626 |
int reclen;
|
1627 |
de = dirp; |
1628 |
while (len > 0) { |
1629 |
reclen = tswap16(de->d_reclen); |
1630 |
if (reclen > len)
|
1631 |
break;
|
1632 |
de->d_reclen = reclen; |
1633 |
tswap64s(&de->d_ino); |
1634 |
tswap64s(&de->d_off); |
1635 |
de = (struct dirent64 *)((char *)de + reclen); |
1636 |
len -= reclen; |
1637 |
} |
1638 |
} |
1639 |
} |
1640 |
break;
|
1641 |
case TARGET_NR__newselect:
|
1642 |
ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, |
1643 |
(void *)arg5);
|
1644 |
break;
|
1645 |
case TARGET_NR_poll:
|
1646 |
{ |
1647 |
struct target_pollfd *target_pfd = (void *)arg1; |
1648 |
unsigned int nfds = arg2; |
1649 |
int timeout = arg3;
|
1650 |
struct pollfd *pfd;
|
1651 |
int i;
|
1652 |
|
1653 |
pfd = alloca(sizeof(struct pollfd) * nfds); |
1654 |
for(i = 0; i < nfds; i++) { |
1655 |
pfd->fd = tswap32(target_pfd->fd); |
1656 |
pfd->events = tswap16(target_pfd->events); |
1657 |
} |
1658 |
ret = get_errno(poll(pfd, nfds, timeout)); |
1659 |
if (!is_error(ret)) {
|
1660 |
for(i = 0; i < nfds; i++) { |
1661 |
target_pfd->revents = tswap16(pfd->revents); |
1662 |
} |
1663 |
} |
1664 |
} |
1665 |
break;
|
1666 |
case TARGET_NR_flock:
|
1667 |
/* NOTE: the flock constant seems to be the same for every
|
1668 |
Linux platform */
|
1669 |
ret = get_errno(flock(arg1, arg2)); |
1670 |
break;
|
1671 |
case TARGET_NR_readv:
|
1672 |
{ |
1673 |
int count = arg3;
|
1674 |
int i;
|
1675 |
struct iovec *vec;
|
1676 |
struct target_iovec *target_vec = (void *)arg2; |
1677 |
|
1678 |
vec = alloca(count * sizeof(struct iovec)); |
1679 |
for(i = 0;i < count; i++) { |
1680 |
vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
|
1681 |
vec[i].iov_len = tswapl(target_vec[i].iov_len); |
1682 |
} |
1683 |
ret = get_errno(readv(arg1, vec, count)); |
1684 |
} |
1685 |
break;
|
1686 |
case TARGET_NR_writev:
|
1687 |
{ |
1688 |
int count = arg3;
|
1689 |
int i;
|
1690 |
struct iovec *vec;
|
1691 |
struct target_iovec *target_vec = (void *)arg2; |
1692 |
|
1693 |
vec = alloca(count * sizeof(struct iovec)); |
1694 |
for(i = 0;i < count; i++) { |
1695 |
vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
|
1696 |
vec[i].iov_len = tswapl(target_vec[i].iov_len); |
1697 |
} |
1698 |
ret = get_errno(writev(arg1, vec, count)); |
1699 |
} |
1700 |
break;
|
1701 |
case TARGET_NR_getsid:
|
1702 |
ret = get_errno(getsid(arg1)); |
1703 |
break;
|
1704 |
case TARGET_NR_fdatasync:
|
1705 |
goto unimplemented;
|
1706 |
case TARGET_NR__sysctl:
|
1707 |
goto unimplemented;
|
1708 |
case TARGET_NR_sched_setparam:
|
1709 |
goto unimplemented;
|
1710 |
case TARGET_NR_sched_getparam:
|
1711 |
goto unimplemented;
|
1712 |
case TARGET_NR_sched_setscheduler:
|
1713 |
goto unimplemented;
|
1714 |
case TARGET_NR_sched_getscheduler:
|
1715 |
goto unimplemented;
|
1716 |
case TARGET_NR_sched_yield:
|
1717 |
ret = get_errno(sched_yield()); |
1718 |
break;
|
1719 |
case TARGET_NR_sched_get_priority_max:
|
1720 |
case TARGET_NR_sched_get_priority_min:
|
1721 |
case TARGET_NR_sched_rr_get_interval:
|
1722 |
goto unimplemented;
|
1723 |
|
1724 |
case TARGET_NR_nanosleep:
|
1725 |
{ |
1726 |
struct target_timespec *target_req = (void *)arg1; |
1727 |
struct target_timespec *target_rem = (void *)arg2; |
1728 |
struct timespec req, rem;
|
1729 |
req.tv_sec = tswapl(target_req->tv_sec); |
1730 |
req.tv_nsec = tswapl(target_req->tv_nsec); |
1731 |
ret = get_errno(nanosleep(&req, &rem)); |
1732 |
if (target_rem) {
|
1733 |
target_rem->tv_sec = tswapl(rem.tv_sec); |
1734 |
target_rem->tv_nsec = tswapl(rem.tv_nsec); |
1735 |
} |
1736 |
} |
1737 |
break;
|
1738 |
case TARGET_NR_setresuid:
|
1739 |
ret = get_errno(setresuid(low2highuid(arg1), |
1740 |
low2highuid(arg2), |
1741 |
low2highuid(arg3))); |
1742 |
break;
|
1743 |
case TARGET_NR_getresuid:
|
1744 |
{ |
1745 |
int ruid, euid, suid;
|
1746 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
1747 |
if (!is_error(ret)) {
|
1748 |
*(uint16_t *)arg1 = tswap16(high2lowuid(ruid)); |
1749 |
*(uint16_t *)arg2 = tswap16(high2lowuid(euid)); |
1750 |
*(uint16_t *)arg3 = tswap16(high2lowuid(suid)); |
1751 |
} |
1752 |
} |
1753 |
break;
|
1754 |
case TARGET_NR_setresgid:
|
1755 |
ret = get_errno(setresgid(low2highgid(arg1), |
1756 |
low2highgid(arg2), |
1757 |
low2highgid(arg3))); |
1758 |
break;
|
1759 |
case TARGET_NR_getresgid:
|
1760 |
{ |
1761 |
int rgid, egid, sgid;
|
1762 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
1763 |
if (!is_error(ret)) {
|
1764 |
*(uint16_t *)arg1 = high2lowgid(tswap16(rgid)); |
1765 |
*(uint16_t *)arg2 = high2lowgid(tswap16(egid)); |
1766 |
*(uint16_t *)arg3 = high2lowgid(tswap16(sgid)); |
1767 |
} |
1768 |
} |
1769 |
break;
|
1770 |
case TARGET_NR_vm86:
|
1771 |
case TARGET_NR_query_module:
|
1772 |
case TARGET_NR_nfsservctl:
|
1773 |
case TARGET_NR_prctl:
|
1774 |
case TARGET_NR_pread:
|
1775 |
case TARGET_NR_pwrite:
|
1776 |
goto unimplemented;
|
1777 |
case TARGET_NR_chown:
|
1778 |
ret = get_errno(chown((const char *)arg1, arg2, arg3)); |
1779 |
break;
|
1780 |
case TARGET_NR_getcwd:
|
1781 |
ret = get_errno(sys_getcwd1((char *)arg1, arg2));
|
1782 |
break;
|
1783 |
case TARGET_NR_capget:
|
1784 |
case TARGET_NR_capset:
|
1785 |
case TARGET_NR_sigaltstack:
|
1786 |
case TARGET_NR_sendfile:
|
1787 |
case TARGET_NR_getpmsg:
|
1788 |
case TARGET_NR_putpmsg:
|
1789 |
case TARGET_NR_vfork:
|
1790 |
ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
|
1791 |
break;
|
1792 |
case TARGET_NR_ugetrlimit:
|
1793 |
case TARGET_NR_truncate64:
|
1794 |
case TARGET_NR_ftruncate64:
|
1795 |
goto unimplemented;
|
1796 |
case TARGET_NR_stat64:
|
1797 |
ret = get_errno(stat((const char *)arg1, &st)); |
1798 |
goto do_stat64;
|
1799 |
case TARGET_NR_lstat64:
|
1800 |
ret = get_errno(lstat((const char *)arg1, &st)); |
1801 |
goto do_stat64;
|
1802 |
case TARGET_NR_fstat64:
|
1803 |
{ |
1804 |
ret = get_errno(fstat(arg1, &st)); |
1805 |
do_stat64:
|
1806 |
if (!is_error(ret)) {
|
1807 |
struct target_stat64 *target_st = (void *)arg2; |
1808 |
target_st->st_dev = tswap16(st.st_dev); |
1809 |
target_st->st_ino = tswapl(st.st_ino); |
1810 |
target_st->st_mode = tswap16(st.st_mode); |
1811 |
target_st->st_nlink = tswap16(st.st_nlink); |
1812 |
target_st->st_uid = tswap16(st.st_uid); |
1813 |
target_st->st_gid = tswap16(st.st_gid); |
1814 |
target_st->st_rdev = tswap16(st.st_rdev); |
1815 |
/* XXX: better use of kernel struct */
|
1816 |
target_st->st_size = tswapl(st.st_size); |
1817 |
target_st->st_blksize = tswapl(st.st_blksize); |
1818 |
target_st->st_blocks = tswapl(st.st_blocks); |
1819 |
target_st->st_atime = tswapl(st.st_atime); |
1820 |
target_st->st_mtime = tswapl(st.st_mtime); |
1821 |
target_st->st_ctime = tswapl(st.st_ctime); |
1822 |
} |
1823 |
} |
1824 |
break;
|
1825 |
|
1826 |
case TARGET_NR_lchown32:
|
1827 |
ret = get_errno(lchown((const char *)arg1, arg2, arg3)); |
1828 |
break;
|
1829 |
case TARGET_NR_getuid32:
|
1830 |
ret = get_errno(getuid()); |
1831 |
break;
|
1832 |
case TARGET_NR_getgid32:
|
1833 |
ret = get_errno(getgid()); |
1834 |
break;
|
1835 |
case TARGET_NR_geteuid32:
|
1836 |
ret = get_errno(geteuid()); |
1837 |
break;
|
1838 |
case TARGET_NR_getegid32:
|
1839 |
ret = get_errno(getegid()); |
1840 |
break;
|
1841 |
case TARGET_NR_setreuid32:
|
1842 |
ret = get_errno(setreuid(arg1, arg2)); |
1843 |
break;
|
1844 |
case TARGET_NR_setregid32:
|
1845 |
ret = get_errno(setregid(arg1, arg2)); |
1846 |
break;
|
1847 |
case TARGET_NR_getgroups32:
|
1848 |
goto unimplemented;
|
1849 |
case TARGET_NR_setgroups32:
|
1850 |
goto unimplemented;
|
1851 |
case TARGET_NR_fchown32:
|
1852 |
ret = get_errno(fchown(arg1, arg2, arg3)); |
1853 |
break;
|
1854 |
case TARGET_NR_setresuid32:
|
1855 |
ret = get_errno(setresuid(arg1, arg2, arg3)); |
1856 |
break;
|
1857 |
case TARGET_NR_getresuid32:
|
1858 |
{ |
1859 |
int ruid, euid, suid;
|
1860 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
1861 |
if (!is_error(ret)) {
|
1862 |
*(uint32_t *)arg1 = tswap32(ruid); |
1863 |
*(uint32_t *)arg2 = tswap32(euid); |
1864 |
*(uint32_t *)arg3 = tswap32(suid); |
1865 |
} |
1866 |
} |
1867 |
break;
|
1868 |
case TARGET_NR_setresgid32:
|
1869 |
ret = get_errno(setresgid(arg1, arg2, arg3)); |
1870 |
break;
|
1871 |
case TARGET_NR_getresgid32:
|
1872 |
{ |
1873 |
int rgid, egid, sgid;
|
1874 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
1875 |
if (!is_error(ret)) {
|
1876 |
*(uint32_t *)arg1 = tswap32(rgid); |
1877 |
*(uint32_t *)arg2 = tswap32(egid); |
1878 |
*(uint32_t *)arg3 = tswap32(sgid); |
1879 |
} |
1880 |
} |
1881 |
break;
|
1882 |
case TARGET_NR_chown32:
|
1883 |
ret = get_errno(chown((const char *)arg1, arg2, arg3)); |
1884 |
break;
|
1885 |
case TARGET_NR_setuid32:
|
1886 |
ret = get_errno(setuid(arg1)); |
1887 |
break;
|
1888 |
case TARGET_NR_setgid32:
|
1889 |
ret = get_errno(setgid(arg1)); |
1890 |
break;
|
1891 |
case TARGET_NR_setfsuid32:
|
1892 |
ret = get_errno(setfsuid(arg1)); |
1893 |
break;
|
1894 |
case TARGET_NR_setfsgid32:
|
1895 |
ret = get_errno(setfsgid(arg1)); |
1896 |
break;
|
1897 |
case TARGET_NR_pivot_root:
|
1898 |
goto unimplemented;
|
1899 |
case TARGET_NR_mincore:
|
1900 |
goto unimplemented;
|
1901 |
case TARGET_NR_madvise:
|
1902 |
goto unimplemented;
|
1903 |
#if TARGET_LONG_BITS == 32 |
1904 |
case TARGET_NR_fcntl64:
|
1905 |
switch(arg2) {
|
1906 |
case F_GETLK64:
|
1907 |
case F_SETLK64:
|
1908 |
case F_SETLKW64:
|
1909 |
goto unimplemented;
|
1910 |
default:
|
1911 |
ret = get_errno(fcntl(arg1, arg2, arg3)); |
1912 |
break;
|
1913 |
} |
1914 |
break;
|
1915 |
#endif
|
1916 |
case TARGET_NR_security:
|
1917 |
goto unimplemented;
|
1918 |
case TARGET_NR_gettid:
|
1919 |
ret = get_errno(gettid()); |
1920 |
break;
|
1921 |
case TARGET_NR_readahead:
|
1922 |
case TARGET_NR_setxattr:
|
1923 |
case TARGET_NR_lsetxattr:
|
1924 |
case TARGET_NR_fsetxattr:
|
1925 |
case TARGET_NR_getxattr:
|
1926 |
case TARGET_NR_lgetxattr:
|
1927 |
case TARGET_NR_fgetxattr:
|
1928 |
case TARGET_NR_listxattr:
|
1929 |
case TARGET_NR_llistxattr:
|
1930 |
case TARGET_NR_flistxattr:
|
1931 |
case TARGET_NR_removexattr:
|
1932 |
case TARGET_NR_lremovexattr:
|
1933 |
case TARGET_NR_fremovexattr:
|
1934 |
goto unimplemented;
|
1935 |
default:
|
1936 |
unimplemented:
|
1937 |
gemu_log("gemu: Unsupported syscall: %d\n", num);
|
1938 |
ret = -ENOSYS; |
1939 |
break;
|
1940 |
} |
1941 |
fail:
|
1942 |
return ret;
|
1943 |
} |
1944 |
|