Commit | Line | Data |
---|---|---|
c906108c | 1 | /* m32r exception, interrupt, and trap (EIT) support |
88b9d363 | 2 | Copyright (C) 1998-2022 Free Software Foundation, Inc. |
fe41f721 | 3 | Contributed by Cygnus Solutions & Renesas. |
c906108c | 4 | |
16b47b25 | 5 | This file is part of GDB, the GNU debugger. |
c906108c | 6 | |
16b47b25 NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
4744ac1b JB |
9 | the Free Software Foundation; either version 3 of the License, or |
10 | (at your option) any later version. | |
c906108c | 11 | |
16b47b25 NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
4744ac1b JB |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
c906108c | 19 | |
6df01ab8 MF |
20 | /* This must come before any other includes. */ |
21 | #include "defs.h" | |
22 | ||
fe41f721 | 23 | #include "portability.h" |
c906108c | 24 | #include "sim-main.h" |
1fef66b0 | 25 | #include "sim-signal.h" |
61a0c964 | 26 | #include "sim-syscall.h" |
fe41f721 MF |
27 | #include "sim/callback.h" |
28 | #include "syscall.h" | |
c906108c | 29 | #include "targ-vals.h" |
fe41f721 MF |
30 | #include <dirent.h> |
31 | #include <errno.h> | |
32 | #include <fcntl.h> | |
32a046ab | 33 | #include <stdlib.h> |
fe41f721 MF |
34 | #include <time.h> |
35 | #include <unistd.h> | |
36 | #include <utime.h> | |
37 | #include <sys/mman.h> | |
38 | #include <sys/poll.h> | |
39 | #include <sys/resource.h> | |
40 | #include <sys/sysinfo.h> | |
41 | #include <sys/stat.h> | |
42 | #include <sys/time.h> | |
43 | #include <sys/timeb.h> | |
44 | #include <sys/timex.h> | |
45 | #include <sys/types.h> | |
46 | #include <sys/uio.h> | |
47 | #include <sys/utsname.h> | |
48 | #include <sys/vfs.h> | |
49 | #include <linux/sysctl.h> | |
50 | #include <linux/types.h> | |
51 | #include <linux/unistd.h> | |
c906108c | 52 | |
fe41f721 | 53 | #define TRAP_LINUX_SYSCALL 2 |
16b47b25 | 54 | #define TRAP_FLUSH_CACHE 12 |
0b2e03b4 | 55 | /* The semantic code invokes this for invalid (unrecognized) instructions. */ |
c906108c | 56 | |
16b47b25 NC |
57 | SEM_PC |
58 | sim_engine_invalid_insn (SIM_CPU *current_cpu, IADDR cia, SEM_PC pc) | |
c906108c SS |
59 | { |
60 | SIM_DESC sd = CPU_STATE (current_cpu); | |
61 | ||
62 | #if 0 | |
63 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
64 | { | |
65 | h_bsm_set (current_cpu, h_sm_get (current_cpu)); | |
66 | h_bie_set (current_cpu, h_ie_get (current_cpu)); | |
67 | h_bcond_set (current_cpu, h_cond_get (current_cpu)); | |
68 | /* sm not changed */ | |
69 | h_ie_set (current_cpu, 0); | |
70 | h_cond_set (current_cpu, 0); | |
71 | ||
72 | h_bpc_set (current_cpu, cia); | |
73 | ||
74 | sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, | |
75 | EIT_RSVD_INSN_ADDR); | |
76 | } | |
77 | else | |
78 | #endif | |
79 | sim_engine_halt (sd, current_cpu, NULL, cia, sim_stopped, SIM_SIGILL); | |
16b47b25 NC |
80 | |
81 | return pc; | |
c906108c SS |
82 | } |
83 | ||
84 | /* Process an address exception. */ | |
85 | ||
86 | void | |
87 | m32r_core_signal (SIM_DESC sd, SIM_CPU *current_cpu, sim_cia cia, | |
88 | unsigned int map, int nr_bytes, address_word addr, | |
89 | transfer_type transfer, sim_core_signals sig) | |
90 | { | |
91 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
92 | { | |
16b47b25 NC |
93 | m32rbf_h_cr_set (current_cpu, H_CR_BBPC, |
94 | m32rbf_h_cr_get (current_cpu, H_CR_BPC)); | |
95 | switch (MACH_NUM (CPU_MACH (current_cpu))) | |
96 | { | |
97 | case MACH_M32R: | |
98 | m32rbf_h_bpsw_set (current_cpu, m32rbf_h_psw_get (current_cpu)); | |
99 | /* sm not changed. */ | |
100 | m32rbf_h_psw_set (current_cpu, m32rbf_h_psw_get (current_cpu) & 0x80); | |
101 | break; | |
102 | case MACH_M32RX: | |
103 | m32rxf_h_bpsw_set (current_cpu, m32rxf_h_psw_get (current_cpu)); | |
104 | /* sm not changed. */ | |
105 | m32rxf_h_psw_set (current_cpu, m32rxf_h_psw_get (current_cpu) & 0x80); | |
106 | break; | |
107 | case MACH_M32R2: | |
108 | m32r2f_h_bpsw_set (current_cpu, m32r2f_h_psw_get (current_cpu)); | |
109 | /* sm not changed. */ | |
110 | m32r2f_h_psw_set (current_cpu, m32r2f_h_psw_get (current_cpu) & 0x80); | |
111 | break; | |
112 | default: | |
113 | abort (); | |
114 | } | |
fe41f721 | 115 | |
16b47b25 | 116 | m32rbf_h_cr_set (current_cpu, H_CR_BPC, cia); |
c906108c SS |
117 | |
118 | sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, | |
119 | EIT_ADDR_EXCP_ADDR); | |
120 | } | |
121 | else | |
122 | sim_core_signal (sd, current_cpu, cia, map, nr_bytes, addr, | |
123 | transfer, sig); | |
124 | } | |
125 | \f | |
fe41f721 MF |
126 | /* Translate target's address to host's address. */ |
127 | ||
128 | static void * | |
129 | t2h_addr (host_callback *cb, struct cb_syscall *sc, | |
130 | unsigned long taddr) | |
131 | { | |
132 | void *addr; | |
133 | SIM_DESC sd = (SIM_DESC) sc->p1; | |
134 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
135 | ||
136 | if (taddr == 0) | |
137 | return NULL; | |
138 | ||
139 | return sim_core_trans_addr (sd, cpu, read_map, taddr); | |
140 | } | |
141 | ||
142 | /* TODO: These functions are a big hack and assume that the host runtime has | |
143 | type sizes and struct layouts that match the target. So the Linux emulation | |
144 | probaly only really works in 32-bit runtimes. */ | |
145 | ||
146 | static void | |
147 | translate_endian_h2t (void *addr, size_t size) | |
148 | { | |
149 | unsigned int *p = (unsigned int *) addr; | |
150 | int i; | |
151 | ||
152 | for (i = 0; i <= size - 4; i += 4,p++) | |
153 | *p = H2T_4 (*p); | |
154 | ||
155 | if (i <= size - 2) | |
156 | *((unsigned short *) p) = H2T_2 (*((unsigned short *) p)); | |
157 | } | |
158 | ||
159 | static void | |
160 | translate_endian_t2h (void *addr, size_t size) | |
161 | { | |
162 | unsigned int *p = (unsigned int *) addr; | |
163 | int i; | |
164 | ||
165 | for (i = 0; i <= size - 4; i += 4,p++) | |
166 | *p = T2H_4 (*p); | |
167 | ||
168 | if (i <= size - 2) | |
169 | *((unsigned short *) p) = T2H_2 (*((unsigned short *) p)); | |
170 | } | |
171 | ||
c906108c SS |
172 | /* Trap support. |
173 | The result is the pc address to continue at. | |
174 | Preprocessing like saving the various registers has already been done. */ | |
175 | ||
176 | USI | |
177 | m32r_trap (SIM_CPU *current_cpu, PCADDR pc, int num) | |
178 | { | |
179 | SIM_DESC sd = CPU_STATE (current_cpu); | |
180 | host_callback *cb = STATE_CALLBACK (sd); | |
181 | ||
c906108c | 182 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) |
fe41f721 | 183 | goto case_default; |
c906108c SS |
184 | |
185 | switch (num) | |
186 | { | |
fe41f721 | 187 | case TRAP_SYSCALL: |
c906108c | 188 | { |
7d5c6c43 MF |
189 | long result, result2; |
190 | int errcode; | |
191 | ||
192 | sim_syscall_multi (current_cpu, | |
193 | m32rbf_h_gr_get (current_cpu, 0), | |
194 | m32rbf_h_gr_get (current_cpu, 1), | |
195 | m32rbf_h_gr_get (current_cpu, 2), | |
196 | m32rbf_h_gr_get (current_cpu, 3), | |
197 | m32rbf_h_gr_get (current_cpu, 4), | |
198 | &result, &result2, &errcode); | |
199 | ||
200 | m32rbf_h_gr_set (current_cpu, 2, errcode); | |
201 | m32rbf_h_gr_set (current_cpu, 0, result); | |
202 | m32rbf_h_gr_set (current_cpu, 1, result2); | |
c906108c SS |
203 | break; |
204 | } | |
205 | ||
fe41f721 MF |
206 | case TRAP_LINUX_SYSCALL: |
207 | { | |
208 | CB_SYSCALL s; | |
54af6227 MF |
209 | unsigned int func, arg1, arg2, arg3, arg4, arg5, arg6, arg7; |
210 | int result, result2, errcode; | |
fe41f721 MF |
211 | |
212 | if (STATE_ENVIRONMENT (sd) != USER_ENVIRONMENT) | |
213 | goto case_default; | |
214 | ||
215 | func = m32rbf_h_gr_get (current_cpu, 7); | |
216 | arg1 = m32rbf_h_gr_get (current_cpu, 0); | |
217 | arg2 = m32rbf_h_gr_get (current_cpu, 1); | |
218 | arg3 = m32rbf_h_gr_get (current_cpu, 2); | |
219 | arg4 = m32rbf_h_gr_get (current_cpu, 3); | |
220 | arg5 = m32rbf_h_gr_get (current_cpu, 4); | |
221 | arg6 = m32rbf_h_gr_get (current_cpu, 5); | |
222 | arg7 = m32rbf_h_gr_get (current_cpu, 6); | |
223 | ||
54af6227 MF |
224 | CB_SYSCALL_INIT (&s); |
225 | s.func = func; | |
226 | s.arg1 = arg1; | |
227 | s.arg2 = arg2; | |
228 | s.arg3 = arg3; | |
229 | s.arg4 = arg4; | |
230 | s.arg5 = arg5; | |
231 | s.arg6 = arg6; | |
232 | s.arg7 = arg7; | |
233 | ||
234 | s.p1 = (PTR) sd; | |
235 | s.p2 = (PTR) current_cpu; | |
236 | s.read_mem = sim_syscall_read_mem; | |
237 | s.write_mem = sim_syscall_write_mem; | |
238 | ||
239 | result = 0; | |
240 | result2 = 0; | |
241 | errcode = 0; | |
242 | ||
243 | switch (func) | |
244 | { | |
245 | case TARGET_LINUX_SYS_exit: | |
fe41f721 | 246 | sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, arg1); |
54af6227 MF |
247 | break; |
248 | ||
249 | case TARGET_LINUX_SYS_read: | |
250 | result = read (arg1, t2h_addr (cb, &s, arg2), arg3); | |
251 | errcode = errno; | |
252 | break; | |
253 | ||
254 | case TARGET_LINUX_SYS_write: | |
255 | result = write (arg1, t2h_addr (cb, &s, arg2), arg3); | |
256 | errcode = errno; | |
257 | break; | |
258 | ||
259 | case TARGET_LINUX_SYS_open: | |
260 | result = open ((char *) t2h_addr (cb, &s, arg1), arg2, arg3); | |
261 | errcode = errno; | |
262 | break; | |
263 | ||
264 | case TARGET_LINUX_SYS_close: | |
265 | result = close (arg1); | |
266 | errcode = errno; | |
267 | break; | |
268 | ||
269 | case TARGET_LINUX_SYS_creat: | |
270 | result = creat ((char *) t2h_addr (cb, &s, arg1), arg2); | |
271 | errcode = errno; | |
272 | break; | |
273 | ||
274 | case TARGET_LINUX_SYS_link: | |
275 | result = link ((char *) t2h_addr (cb, &s, arg1), | |
276 | (char *) t2h_addr (cb, &s, arg2)); | |
277 | errcode = errno; | |
278 | break; | |
279 | ||
280 | case TARGET_LINUX_SYS_unlink: | |
281 | result = unlink ((char *) t2h_addr (cb, &s, arg1)); | |
282 | errcode = errno; | |
283 | break; | |
284 | ||
285 | case TARGET_LINUX_SYS_chdir: | |
286 | result = chdir ((char *) t2h_addr (cb, &s, arg1)); | |
287 | errcode = errno; | |
288 | break; | |
289 | ||
290 | case TARGET_LINUX_SYS_time: | |
291 | { | |
292 | time_t t; | |
293 | ||
294 | if (arg1 == 0) | |
295 | { | |
296 | result = (int) time (NULL); | |
297 | errcode = errno; | |
298 | } | |
299 | else | |
300 | { | |
301 | result = (int) time (&t); | |
302 | errcode = errno; | |
303 | ||
304 | if (result != 0) | |
305 | break; | |
306 | ||
307 | t = H2T_4 (t); | |
308 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) != sizeof(t)) | |
309 | { | |
310 | result = -1; | |
311 | errcode = EINVAL; | |
312 | } | |
313 | } | |
314 | } | |
315 | break; | |
316 | ||
317 | case TARGET_LINUX_SYS_mknod: | |
318 | result = mknod ((char *) t2h_addr (cb, &s, arg1), | |
319 | (mode_t) arg2, (dev_t) arg3); | |
320 | errcode = errno; | |
321 | break; | |
322 | ||
323 | case TARGET_LINUX_SYS_chmod: | |
324 | result = chmod ((char *) t2h_addr (cb, &s, arg1), (mode_t) arg2); | |
325 | errcode = errno; | |
326 | break; | |
327 | ||
328 | case TARGET_LINUX_SYS_lchown32: | |
329 | case TARGET_LINUX_SYS_lchown: | |
330 | result = lchown ((char *) t2h_addr (cb, &s, arg1), | |
331 | (uid_t) arg2, (gid_t) arg3); | |
332 | errcode = errno; | |
333 | break; | |
334 | ||
335 | case TARGET_LINUX_SYS_lseek: | |
336 | result = (int) lseek (arg1, (off_t) arg2, arg3); | |
337 | errcode = errno; | |
338 | break; | |
339 | ||
340 | case TARGET_LINUX_SYS_getpid: | |
341 | result = getpid (); | |
342 | errcode = errno; | |
343 | break; | |
344 | ||
345 | case TARGET_LINUX_SYS_getuid32: | |
346 | case TARGET_LINUX_SYS_getuid: | |
347 | result = getuid (); | |
348 | errcode = errno; | |
349 | break; | |
350 | ||
351 | case TARGET_LINUX_SYS_utime: | |
352 | { | |
353 | struct utimbuf buf; | |
354 | ||
355 | if (arg2 == 0) | |
356 | { | |
357 | result = utime ((char *) t2h_addr (cb, &s, arg1), NULL); | |
358 | errcode = errno; | |
359 | } | |
360 | else | |
361 | { | |
362 | buf = *((struct utimbuf *) t2h_addr (cb, &s, arg2)); | |
363 | translate_endian_t2h (&buf, sizeof(buf)); | |
364 | result = utime ((char *) t2h_addr (cb, &s, arg1), &buf); | |
365 | errcode = errno; | |
366 | } | |
367 | } | |
368 | break; | |
369 | ||
370 | case TARGET_LINUX_SYS_access: | |
371 | result = access ((char *) t2h_addr (cb, &s, arg1), arg2); | |
372 | errcode = errno; | |
373 | break; | |
374 | ||
375 | case TARGET_LINUX_SYS_ftime: | |
376 | { | |
377 | struct timeb t; | |
378 | ||
379 | result = ftime (&t); | |
380 | errcode = errno; | |
381 | ||
382 | if (result != 0) | |
383 | break; | |
384 | ||
385 | t.time = H2T_4 (t.time); | |
386 | t.millitm = H2T_2 (t.millitm); | |
387 | t.timezone = H2T_2 (t.timezone); | |
388 | t.dstflag = H2T_2 (t.dstflag); | |
389 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) | |
390 | != sizeof(t)) | |
391 | { | |
392 | result = -1; | |
393 | errcode = EINVAL; | |
394 | } | |
395 | } | |
396 | ||
397 | case TARGET_LINUX_SYS_sync: | |
398 | sync (); | |
399 | result = 0; | |
400 | break; | |
401 | ||
402 | case TARGET_LINUX_SYS_rename: | |
403 | result = rename ((char *) t2h_addr (cb, &s, arg1), | |
404 | (char *) t2h_addr (cb, &s, arg2)); | |
405 | errcode = errno; | |
406 | break; | |
407 | ||
408 | case TARGET_LINUX_SYS_mkdir: | |
409 | result = mkdir ((char *) t2h_addr (cb, &s, arg1), arg2); | |
410 | errcode = errno; | |
411 | break; | |
412 | ||
413 | case TARGET_LINUX_SYS_rmdir: | |
414 | result = rmdir ((char *) t2h_addr (cb, &s, arg1)); | |
415 | errcode = errno; | |
416 | break; | |
417 | ||
418 | case TARGET_LINUX_SYS_dup: | |
419 | result = dup (arg1); | |
420 | errcode = errno; | |
421 | break; | |
422 | ||
423 | case TARGET_LINUX_SYS_brk: | |
424 | result = brk ((void *) arg1); | |
425 | errcode = errno; | |
426 | //result = arg1; | |
427 | break; | |
428 | ||
429 | case TARGET_LINUX_SYS_getgid32: | |
430 | case TARGET_LINUX_SYS_getgid: | |
431 | result = getgid (); | |
432 | errcode = errno; | |
433 | break; | |
434 | ||
435 | case TARGET_LINUX_SYS_geteuid32: | |
436 | case TARGET_LINUX_SYS_geteuid: | |
437 | result = geteuid (); | |
438 | errcode = errno; | |
439 | break; | |
440 | ||
441 | case TARGET_LINUX_SYS_getegid32: | |
442 | case TARGET_LINUX_SYS_getegid: | |
443 | result = getegid (); | |
444 | errcode = errno; | |
445 | break; | |
446 | ||
447 | case TARGET_LINUX_SYS_ioctl: | |
448 | result = ioctl (arg1, arg2, arg3); | |
449 | errcode = errno; | |
450 | break; | |
451 | ||
452 | case TARGET_LINUX_SYS_fcntl: | |
453 | result = fcntl (arg1, arg2, arg3); | |
454 | errcode = errno; | |
455 | break; | |
456 | ||
457 | case TARGET_LINUX_SYS_dup2: | |
458 | result = dup2 (arg1, arg2); | |
459 | errcode = errno; | |
460 | break; | |
461 | ||
462 | case TARGET_LINUX_SYS_getppid: | |
463 | result = getppid (); | |
464 | errcode = errno; | |
465 | break; | |
466 | ||
467 | case TARGET_LINUX_SYS_getpgrp: | |
468 | result = getpgrp (); | |
469 | errcode = errno; | |
470 | break; | |
471 | ||
472 | case TARGET_LINUX_SYS_getrlimit: | |
473 | { | |
474 | struct rlimit rlim; | |
475 | ||
476 | result = getrlimit (arg1, &rlim); | |
477 | errcode = errno; | |
478 | ||
479 | if (result != 0) | |
480 | break; | |
481 | ||
482 | translate_endian_h2t (&rlim, sizeof(rlim)); | |
483 | if ((s.write_mem) (cb, &s, arg2, (char *) &rlim, sizeof(rlim)) | |
484 | != sizeof(rlim)) | |
485 | { | |
486 | result = -1; | |
487 | errcode = EINVAL; | |
488 | } | |
489 | } | |
490 | break; | |
491 | ||
492 | case TARGET_LINUX_SYS_getrusage: | |
493 | { | |
494 | struct rusage usage; | |
495 | ||
496 | result = getrusage (arg1, &usage); | |
497 | errcode = errno; | |
498 | ||
499 | if (result != 0) | |
500 | break; | |
501 | ||
502 | translate_endian_h2t (&usage, sizeof(usage)); | |
503 | if ((s.write_mem) (cb, &s, arg2, (char *) &usage, sizeof(usage)) | |
504 | != sizeof(usage)) | |
505 | { | |
506 | result = -1; | |
507 | errcode = EINVAL; | |
508 | } | |
509 | } | |
510 | break; | |
511 | ||
512 | case TARGET_LINUX_SYS_gettimeofday: | |
513 | { | |
514 | struct timeval tv; | |
515 | struct timezone tz; | |
516 | ||
517 | result = gettimeofday (&tv, &tz); | |
518 | errcode = errno; | |
519 | ||
520 | if (result != 0) | |
521 | break; | |
522 | ||
523 | translate_endian_h2t (&tv, sizeof(tv)); | |
524 | if ((s.write_mem) (cb, &s, arg1, (char *) &tv, sizeof(tv)) | |
525 | != sizeof(tv)) | |
526 | { | |
527 | result = -1; | |
528 | errcode = EINVAL; | |
529 | } | |
530 | ||
531 | translate_endian_h2t (&tz, sizeof(tz)); | |
532 | if ((s.write_mem) (cb, &s, arg2, (char *) &tz, sizeof(tz)) | |
533 | != sizeof(tz)) | |
534 | { | |
535 | result = -1; | |
536 | errcode = EINVAL; | |
537 | } | |
538 | } | |
539 | break; | |
540 | ||
541 | case TARGET_LINUX_SYS_getgroups32: | |
542 | case TARGET_LINUX_SYS_getgroups: | |
543 | { | |
544 | gid_t *list; | |
545 | ||
546 | if (arg1 > 0) | |
547 | list = (gid_t *) malloc (arg1 * sizeof(gid_t)); | |
548 | ||
549 | result = getgroups (arg1, list); | |
550 | errcode = errno; | |
551 | ||
552 | if (result != 0) | |
553 | break; | |
554 | ||
555 | translate_endian_h2t (list, arg1 * sizeof(gid_t)); | |
556 | if (arg1 > 0) | |
557 | if ((s.write_mem) (cb, &s, arg2, (char *) list, arg1 * sizeof(gid_t)) | |
558 | != arg1 * sizeof(gid_t)) | |
559 | { | |
560 | result = -1; | |
561 | errcode = EINVAL; | |
562 | } | |
563 | } | |
564 | break; | |
565 | ||
566 | case TARGET_LINUX_SYS_select: | |
567 | { | |
568 | int n; | |
569 | fd_set readfds; | |
570 | fd_set *treadfdsp; | |
571 | fd_set *hreadfdsp; | |
572 | fd_set writefds; | |
573 | fd_set *twritefdsp; | |
574 | fd_set *hwritefdsp; | |
575 | fd_set exceptfds; | |
576 | fd_set *texceptfdsp; | |
577 | fd_set *hexceptfdsp; | |
578 | struct timeval *ttimeoutp; | |
579 | struct timeval timeout; | |
580 | ||
581 | n = arg1; | |
582 | ||
583 | treadfdsp = (fd_set *) arg2; | |
584 | if (treadfdsp != NULL) | |
585 | { | |
586 | readfds = *((fd_set *) t2h_addr (cb, &s, (unsigned int) treadfdsp)); | |
587 | translate_endian_t2h (&readfds, sizeof(readfds)); | |
588 | hreadfdsp = &readfds; | |
589 | } | |
590 | else | |
591 | hreadfdsp = NULL; | |
592 | ||
593 | twritefdsp = (fd_set *) arg3; | |
594 | if (twritefdsp != NULL) | |
595 | { | |
596 | writefds = *((fd_set *) t2h_addr (cb, &s, (unsigned int) twritefdsp)); | |
597 | translate_endian_t2h (&writefds, sizeof(writefds)); | |
598 | hwritefdsp = &writefds; | |
599 | } | |
600 | else | |
601 | hwritefdsp = NULL; | |
602 | ||
603 | texceptfdsp = (fd_set *) arg4; | |
604 | if (texceptfdsp != NULL) | |
605 | { | |
606 | exceptfds = *((fd_set *) t2h_addr (cb, &s, (unsigned int) texceptfdsp)); | |
607 | translate_endian_t2h (&exceptfds, sizeof(exceptfds)); | |
608 | hexceptfdsp = &exceptfds; | |
609 | } | |
610 | else | |
611 | hexceptfdsp = NULL; | |
612 | ||
613 | ttimeoutp = (struct timeval *) arg5; | |
614 | timeout = *((struct timeval *) t2h_addr (cb, &s, (unsigned int) ttimeoutp)); | |
615 | translate_endian_t2h (&timeout, sizeof(timeout)); | |
616 | ||
617 | result = select (n, hreadfdsp, hwritefdsp, hexceptfdsp, &timeout); | |
618 | errcode = errno; | |
619 | ||
620 | if (result != 0) | |
621 | break; | |
622 | ||
623 | if (treadfdsp != NULL) | |
624 | { | |
625 | translate_endian_h2t (&readfds, sizeof(readfds)); | |
626 | if ((s.write_mem) (cb, &s, (unsigned long) treadfdsp, | |
627 | (char *) &readfds, sizeof(readfds)) != sizeof(readfds)) | |
628 | { | |
629 | result = -1; | |
630 | errcode = EINVAL; | |
631 | } | |
632 | } | |
633 | ||
634 | if (twritefdsp != NULL) | |
635 | { | |
636 | translate_endian_h2t (&writefds, sizeof(writefds)); | |
637 | if ((s.write_mem) (cb, &s, (unsigned long) twritefdsp, | |
638 | (char *) &writefds, sizeof(writefds)) != sizeof(writefds)) | |
639 | { | |
640 | result = -1; | |
641 | errcode = EINVAL; | |
642 | } | |
643 | } | |
644 | ||
645 | if (texceptfdsp != NULL) | |
646 | { | |
647 | translate_endian_h2t (&exceptfds, sizeof(exceptfds)); | |
648 | if ((s.write_mem) (cb, &s, (unsigned long) texceptfdsp, | |
649 | (char *) &exceptfds, sizeof(exceptfds)) != sizeof(exceptfds)) | |
650 | { | |
651 | result = -1; | |
652 | errcode = EINVAL; | |
653 | } | |
654 | } | |
655 | ||
656 | translate_endian_h2t (&timeout, sizeof(timeout)); | |
657 | if ((s.write_mem) (cb, &s, (unsigned long) ttimeoutp, | |
658 | (char *) &timeout, sizeof(timeout)) != sizeof(timeout)) | |
659 | { | |
660 | result = -1; | |
661 | errcode = EINVAL; | |
662 | } | |
663 | } | |
664 | break; | |
665 | ||
666 | case TARGET_LINUX_SYS_symlink: | |
667 | result = symlink ((char *) t2h_addr (cb, &s, arg1), | |
668 | (char *) t2h_addr (cb, &s, arg2)); | |
669 | errcode = errno; | |
670 | break; | |
671 | ||
672 | case TARGET_LINUX_SYS_readlink: | |
673 | result = readlink ((char *) t2h_addr (cb, &s, arg1), | |
674 | (char *) t2h_addr (cb, &s, arg2), | |
675 | arg3); | |
676 | errcode = errno; | |
677 | break; | |
678 | ||
679 | case TARGET_LINUX_SYS_readdir: | |
680 | result = (int) readdir ((DIR *) t2h_addr (cb, &s, arg1)); | |
681 | errcode = errno; | |
682 | break; | |
fe41f721 MF |
683 | |
684 | #if 0 | |
54af6227 MF |
685 | case TARGET_LINUX_SYS_mmap: |
686 | { | |
687 | result = (int) mmap ((void *) t2h_addr (cb, &s, arg1), | |
688 | arg2, arg3, arg4, arg5, arg6); | |
689 | errcode = errno; | |
690 | ||
691 | if (errno == 0) | |
692 | { | |
693 | sim_core_attach (sd, NULL, | |
694 | 0, access_read_write_exec, 0, | |
695 | result, arg2, 0, NULL, NULL); | |
696 | } | |
697 | } | |
698 | break; | |
fe41f721 | 699 | #endif |
54af6227 MF |
700 | case TARGET_LINUX_SYS_mmap2: |
701 | { | |
702 | void *addr; | |
703 | size_t len; | |
704 | int prot, flags, fildes; | |
705 | off_t off; | |
706 | ||
707 | addr = (void *) t2h_addr (cb, &s, arg1); | |
708 | len = arg2; | |
709 | prot = arg3; | |
710 | flags = arg4; | |
711 | fildes = arg5; | |
712 | off = arg6 << 12; | |
713 | ||
714 | result = (int) mmap (addr, len, prot, flags, fildes, off); | |
715 | errcode = errno; | |
716 | if (result != -1) | |
717 | { | |
718 | char c; | |
fe41f721 | 719 | if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0) |
54af6227 MF |
720 | sim_core_attach (sd, NULL, |
721 | 0, access_read_write_exec, 0, | |
722 | result, len, 0, NULL, NULL); | |
723 | } | |
724 | } | |
725 | break; | |
726 | ||
727 | case TARGET_LINUX_SYS_mmap: | |
728 | { | |
729 | void *addr; | |
730 | size_t len; | |
731 | int prot, flags, fildes; | |
732 | off_t off; | |
733 | ||
734 | addr = *((void **) t2h_addr (cb, &s, arg1)); | |
735 | len = *((size_t *) t2h_addr (cb, &s, arg1 + 4)); | |
736 | prot = *((int *) t2h_addr (cb, &s, arg1 + 8)); | |
737 | flags = *((int *) t2h_addr (cb, &s, arg1 + 12)); | |
738 | fildes = *((int *) t2h_addr (cb, &s, arg1 + 16)); | |
739 | off = *((off_t *) t2h_addr (cb, &s, arg1 + 20)); | |
740 | ||
741 | addr = (void *) T2H_4 ((unsigned int) addr); | |
742 | len = T2H_4 (len); | |
743 | prot = T2H_4 (prot); | |
744 | flags = T2H_4 (flags); | |
745 | fildes = T2H_4 (fildes); | |
746 | off = T2H_4 (off); | |
747 | ||
748 | //addr = (void *) t2h_addr (cb, &s, (unsigned int) addr); | |
749 | result = (int) mmap (addr, len, prot, flags, fildes, off); | |
750 | errcode = errno; | |
751 | ||
752 | //if (errno == 0) | |
753 | if (result != -1) | |
754 | { | |
755 | char c; | |
fe41f721 | 756 | if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0) |
54af6227 MF |
757 | sim_core_attach (sd, NULL, |
758 | 0, access_read_write_exec, 0, | |
759 | result, len, 0, NULL, NULL); | |
760 | } | |
761 | } | |
762 | break; | |
763 | ||
764 | case TARGET_LINUX_SYS_munmap: | |
765 | result = munmap ((void *)arg1, arg2); | |
766 | errcode = errno; | |
767 | if (result != -1) | |
768 | sim_core_detach (sd, NULL, 0, arg2, result); | |
769 | break; | |
770 | ||
771 | case TARGET_LINUX_SYS_truncate: | |
772 | result = truncate ((char *) t2h_addr (cb, &s, arg1), arg2); | |
773 | errcode = errno; | |
774 | break; | |
775 | ||
776 | case TARGET_LINUX_SYS_ftruncate: | |
777 | result = ftruncate (arg1, arg2); | |
778 | errcode = errno; | |
779 | break; | |
780 | ||
781 | case TARGET_LINUX_SYS_fchmod: | |
782 | result = fchmod (arg1, arg2); | |
783 | errcode = errno; | |
784 | break; | |
785 | ||
786 | case TARGET_LINUX_SYS_fchown32: | |
787 | case TARGET_LINUX_SYS_fchown: | |
788 | result = fchown (arg1, arg2, arg3); | |
789 | errcode = errno; | |
790 | break; | |
791 | ||
792 | case TARGET_LINUX_SYS_statfs: | |
793 | { | |
794 | struct statfs statbuf; | |
795 | ||
796 | result = statfs ((char *) t2h_addr (cb, &s, arg1), &statbuf); | |
797 | errcode = errno; | |
798 | ||
799 | if (result != 0) | |
800 | break; | |
801 | ||
802 | translate_endian_h2t (&statbuf, sizeof(statbuf)); | |
803 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
804 | != sizeof(statbuf)) | |
805 | { | |
806 | result = -1; | |
807 | errcode = EINVAL; | |
808 | } | |
809 | } | |
810 | break; | |
811 | ||
812 | case TARGET_LINUX_SYS_fstatfs: | |
813 | { | |
814 | struct statfs statbuf; | |
815 | ||
816 | result = fstatfs (arg1, &statbuf); | |
817 | errcode = errno; | |
818 | ||
819 | if (result != 0) | |
820 | break; | |
821 | ||
822 | translate_endian_h2t (&statbuf, sizeof(statbuf)); | |
823 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
824 | != sizeof(statbuf)) | |
825 | { | |
826 | result = -1; | |
827 | errcode = EINVAL; | |
828 | } | |
829 | } | |
830 | break; | |
831 | ||
832 | case TARGET_LINUX_SYS_syslog: | |
833 | result = syslog (arg1, (char *) t2h_addr (cb, &s, arg2)); | |
834 | errcode = errno; | |
835 | break; | |
836 | ||
837 | case TARGET_LINUX_SYS_setitimer: | |
838 | { | |
839 | struct itimerval value, ovalue; | |
840 | ||
841 | value = *((struct itimerval *) t2h_addr (cb, &s, arg2)); | |
842 | translate_endian_t2h (&value, sizeof(value)); | |
843 | ||
844 | if (arg2 == 0) | |
845 | { | |
846 | result = setitimer (arg1, &value, NULL); | |
847 | errcode = errno; | |
848 | } | |
849 | else | |
850 | { | |
851 | result = setitimer (arg1, &value, &ovalue); | |
852 | errcode = errno; | |
853 | ||
854 | if (result != 0) | |
855 | break; | |
856 | ||
857 | translate_endian_h2t (&ovalue, sizeof(ovalue)); | |
858 | if ((s.write_mem) (cb, &s, arg3, (char *) &ovalue, sizeof(ovalue)) | |
859 | != sizeof(ovalue)) | |
860 | { | |
861 | result = -1; | |
862 | errcode = EINVAL; | |
863 | } | |
864 | } | |
865 | } | |
866 | break; | |
867 | ||
868 | case TARGET_LINUX_SYS_getitimer: | |
869 | { | |
870 | struct itimerval value; | |
871 | ||
872 | result = getitimer (arg1, &value); | |
873 | errcode = errno; | |
874 | ||
875 | if (result != 0) | |
876 | break; | |
877 | ||
878 | translate_endian_h2t (&value, sizeof(value)); | |
879 | if ((s.write_mem) (cb, &s, arg2, (char *) &value, sizeof(value)) | |
880 | != sizeof(value)) | |
881 | { | |
882 | result = -1; | |
883 | errcode = EINVAL; | |
884 | } | |
885 | } | |
886 | break; | |
887 | ||
888 | case TARGET_LINUX_SYS_stat: | |
889 | { | |
890 | char *buf; | |
891 | int buflen; | |
892 | struct stat statbuf; | |
893 | ||
894 | result = stat ((char *) t2h_addr (cb, &s, arg1), &statbuf); | |
895 | errcode = errno; | |
896 | if (result < 0) | |
897 | break; | |
898 | ||
899 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
900 | buf = xmalloc (buflen); | |
901 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
902 | { | |
903 | /* The translation failed. This is due to an internal | |
904 | host program error, not the target's fault. */ | |
905 | free (buf); | |
906 | result = -1; | |
907 | errcode = ENOSYS; | |
908 | break; | |
909 | } | |
910 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
911 | { | |
912 | free (buf); | |
913 | result = -1; | |
914 | errcode = EINVAL; | |
915 | break; | |
916 | } | |
917 | free (buf); | |
918 | } | |
919 | break; | |
920 | ||
921 | case TARGET_LINUX_SYS_lstat: | |
922 | { | |
923 | char *buf; | |
924 | int buflen; | |
925 | struct stat statbuf; | |
926 | ||
927 | result = lstat ((char *) t2h_addr (cb, &s, arg1), &statbuf); | |
928 | errcode = errno; | |
929 | if (result < 0) | |
930 | break; | |
931 | ||
932 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
933 | buf = xmalloc (buflen); | |
934 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
935 | { | |
936 | /* The translation failed. This is due to an internal | |
937 | host program error, not the target's fault. */ | |
938 | free (buf); | |
939 | result = -1; | |
940 | errcode = ENOSYS; | |
941 | break; | |
942 | } | |
943 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
944 | { | |
945 | free (buf); | |
946 | result = -1; | |
947 | errcode = EINVAL; | |
948 | break; | |
949 | } | |
950 | free (buf); | |
951 | } | |
952 | break; | |
953 | ||
954 | case TARGET_LINUX_SYS_fstat: | |
955 | { | |
956 | char *buf; | |
957 | int buflen; | |
958 | struct stat statbuf; | |
959 | ||
960 | result = fstat (arg1, &statbuf); | |
961 | errcode = errno; | |
962 | if (result < 0) | |
963 | break; | |
964 | ||
965 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
966 | buf = xmalloc (buflen); | |
967 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
968 | { | |
969 | /* The translation failed. This is due to an internal | |
970 | host program error, not the target's fault. */ | |
971 | free (buf); | |
972 | result = -1; | |
973 | errcode = ENOSYS; | |
974 | break; | |
975 | } | |
976 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
977 | { | |
978 | free (buf); | |
979 | result = -1; | |
980 | errcode = EINVAL; | |
981 | break; | |
982 | } | |
983 | free (buf); | |
984 | } | |
985 | break; | |
986 | ||
987 | case TARGET_LINUX_SYS_sysinfo: | |
988 | { | |
989 | struct sysinfo info; | |
990 | ||
991 | result = sysinfo (&info); | |
992 | errcode = errno; | |
993 | ||
994 | if (result != 0) | |
995 | break; | |
996 | ||
997 | info.uptime = H2T_4 (info.uptime); | |
998 | info.loads[0] = H2T_4 (info.loads[0]); | |
999 | info.loads[1] = H2T_4 (info.loads[1]); | |
1000 | info.loads[2] = H2T_4 (info.loads[2]); | |
1001 | info.totalram = H2T_4 (info.totalram); | |
1002 | info.freeram = H2T_4 (info.freeram); | |
1003 | info.sharedram = H2T_4 (info.sharedram); | |
1004 | info.bufferram = H2T_4 (info.bufferram); | |
1005 | info.totalswap = H2T_4 (info.totalswap); | |
1006 | info.freeswap = H2T_4 (info.freeswap); | |
1007 | info.procs = H2T_2 (info.procs); | |
fe41f721 | 1008 | #if LINUX_VERSION_CODE >= 0x20400 |
54af6227 MF |
1009 | info.totalhigh = H2T_4 (info.totalhigh); |
1010 | info.freehigh = H2T_4 (info.freehigh); | |
1011 | info.mem_unit = H2T_4 (info.mem_unit); | |
fe41f721 | 1012 | #endif |
54af6227 MF |
1013 | if ((s.write_mem) (cb, &s, arg1, (char *) &info, sizeof(info)) |
1014 | != sizeof(info)) | |
1015 | { | |
1016 | result = -1; | |
1017 | errcode = EINVAL; | |
1018 | } | |
1019 | } | |
1020 | break; | |
fe41f721 MF |
1021 | |
1022 | #if 0 | |
54af6227 MF |
1023 | case TARGET_LINUX_SYS_ipc: |
1024 | { | |
1025 | result = ipc (arg1, arg2, arg3, arg4, | |
1026 | (void *) t2h_addr (cb, &s, arg5), arg6); | |
1027 | errcode = errno; | |
1028 | } | |
1029 | break; | |
fe41f721 MF |
1030 | #endif |
1031 | ||
54af6227 MF |
1032 | case TARGET_LINUX_SYS_fsync: |
1033 | result = fsync (arg1); | |
1034 | errcode = errno; | |
1035 | break; | |
1036 | ||
1037 | case TARGET_LINUX_SYS_uname: | |
1038 | /* utsname contains only arrays of char, so it is not necessary | |
1039 | to translate endian. */ | |
1040 | result = uname ((struct utsname *) t2h_addr (cb, &s, arg1)); | |
1041 | errcode = errno; | |
1042 | break; | |
1043 | ||
1044 | case TARGET_LINUX_SYS_adjtimex: | |
1045 | { | |
1046 | struct timex buf; | |
1047 | ||
1048 | result = adjtimex (&buf); | |
1049 | errcode = errno; | |
1050 | ||
1051 | if (result != 0) | |
1052 | break; | |
1053 | ||
1054 | translate_endian_h2t (&buf, sizeof(buf)); | |
1055 | if ((s.write_mem) (cb, &s, arg1, (char *) &buf, sizeof(buf)) | |
1056 | != sizeof(buf)) | |
1057 | { | |
1058 | result = -1; | |
1059 | errcode = EINVAL; | |
1060 | } | |
1061 | } | |
1062 | break; | |
1063 | ||
1064 | case TARGET_LINUX_SYS_mprotect: | |
1065 | result = mprotect ((void *) arg1, arg2, arg3); | |
1066 | errcode = errno; | |
1067 | break; | |
1068 | ||
1069 | case TARGET_LINUX_SYS_fchdir: | |
1070 | result = fchdir (arg1); | |
1071 | errcode = errno; | |
1072 | break; | |
1073 | ||
1074 | case TARGET_LINUX_SYS_setfsuid32: | |
1075 | case TARGET_LINUX_SYS_setfsuid: | |
1076 | result = setfsuid (arg1); | |
1077 | errcode = errno; | |
1078 | break; | |
1079 | ||
1080 | case TARGET_LINUX_SYS_setfsgid32: | |
1081 | case TARGET_LINUX_SYS_setfsgid: | |
1082 | result = setfsgid (arg1); | |
1083 | errcode = errno; | |
1084 | break; | |
fe41f721 MF |
1085 | |
1086 | #if 0 | |
54af6227 MF |
1087 | case TARGET_LINUX_SYS__llseek: |
1088 | { | |
1089 | loff_t buf; | |
1090 | ||
1091 | result = _llseek (arg1, arg2, arg3, &buf, arg5); | |
1092 | errcode = errno; | |
1093 | ||
1094 | if (result != 0) | |
1095 | break; | |
1096 | ||
1097 | translate_endian_h2t (&buf, sizeof(buf)); | |
1098 | if ((s.write_mem) (cb, &s, t2h_addr (cb, &s, arg4), | |
1099 | (char *) &buf, sizeof(buf)) != sizeof(buf)) | |
1100 | { | |
1101 | result = -1; | |
1102 | errcode = EINVAL; | |
1103 | } | |
1104 | } | |
1105 | break; | |
1106 | ||
1107 | case TARGET_LINUX_SYS_getdents: | |
1108 | { | |
1109 | struct dirent dir; | |
1110 | ||
1111 | result = getdents (arg1, &dir, arg3); | |
1112 | errcode = errno; | |
1113 | ||
1114 | if (result != 0) | |
1115 | break; | |
1116 | ||
1117 | dir.d_ino = H2T_4 (dir.d_ino); | |
1118 | dir.d_off = H2T_4 (dir.d_off); | |
1119 | dir.d_reclen = H2T_2 (dir.d_reclen); | |
1120 | if ((s.write_mem) (cb, &s, arg2, (char *) &dir, sizeof(dir)) | |
1121 | != sizeof(dir)) | |
1122 | { | |
1123 | result = -1; | |
1124 | errcode = EINVAL; | |
1125 | } | |
1126 | } | |
1127 | break; | |
fe41f721 MF |
1128 | #endif |
1129 | ||
54af6227 MF |
1130 | case TARGET_LINUX_SYS_flock: |
1131 | result = flock (arg1, arg2); | |
1132 | errcode = errno; | |
1133 | break; | |
1134 | ||
1135 | case TARGET_LINUX_SYS_msync: | |
1136 | result = msync ((void *) arg1, arg2, arg3); | |
1137 | errcode = errno; | |
1138 | break; | |
1139 | ||
1140 | case TARGET_LINUX_SYS_readv: | |
1141 | { | |
1142 | struct iovec vector; | |
1143 | ||
1144 | vector = *((struct iovec *) t2h_addr (cb, &s, arg2)); | |
1145 | translate_endian_t2h (&vector, sizeof(vector)); | |
1146 | ||
1147 | result = readv (arg1, &vector, arg3); | |
1148 | errcode = errno; | |
1149 | } | |
1150 | break; | |
1151 | ||
1152 | case TARGET_LINUX_SYS_writev: | |
1153 | { | |
1154 | struct iovec vector; | |
1155 | ||
1156 | vector = *((struct iovec *) t2h_addr (cb, &s, arg2)); | |
1157 | translate_endian_t2h (&vector, sizeof(vector)); | |
1158 | ||
1159 | result = writev (arg1, &vector, arg3); | |
1160 | errcode = errno; | |
1161 | } | |
1162 | break; | |
1163 | ||
1164 | case TARGET_LINUX_SYS_fdatasync: | |
1165 | result = fdatasync (arg1); | |
1166 | errcode = errno; | |
1167 | break; | |
1168 | ||
1169 | case TARGET_LINUX_SYS_mlock: | |
1170 | result = mlock ((void *) t2h_addr (cb, &s, arg1), arg2); | |
1171 | errcode = errno; | |
1172 | break; | |
1173 | ||
1174 | case TARGET_LINUX_SYS_munlock: | |
1175 | result = munlock ((void *) t2h_addr (cb, &s, arg1), arg2); | |
1176 | errcode = errno; | |
1177 | break; | |
1178 | ||
1179 | case TARGET_LINUX_SYS_nanosleep: | |
1180 | { | |
1181 | struct timespec req, rem; | |
1182 | ||
1183 | req = *((struct timespec *) t2h_addr (cb, &s, arg2)); | |
1184 | translate_endian_t2h (&req, sizeof(req)); | |
1185 | ||
1186 | result = nanosleep (&req, &rem); | |
1187 | errcode = errno; | |
1188 | ||
1189 | if (result != 0) | |
1190 | break; | |
1191 | ||
1192 | translate_endian_h2t (&rem, sizeof(rem)); | |
1193 | if ((s.write_mem) (cb, &s, arg2, (char *) &rem, sizeof(rem)) | |
1194 | != sizeof(rem)) | |
1195 | { | |
1196 | result = -1; | |
1197 | errcode = EINVAL; | |
1198 | } | |
1199 | } | |
1200 | break; | |
1201 | ||
1202 | case TARGET_LINUX_SYS_mremap: /* FIXME */ | |
1203 | result = (int) mremap ((void *) t2h_addr (cb, &s, arg1), arg2, arg3, arg4); | |
1204 | errcode = errno; | |
1205 | break; | |
1206 | ||
1207 | case TARGET_LINUX_SYS_getresuid32: | |
1208 | case TARGET_LINUX_SYS_getresuid: | |
1209 | { | |
1210 | uid_t ruid, euid, suid; | |
1211 | ||
1212 | result = getresuid (&ruid, &euid, &suid); | |
1213 | errcode = errno; | |
1214 | ||
1215 | if (result != 0) | |
1216 | break; | |
1217 | ||
1218 | *((uid_t *) t2h_addr (cb, &s, arg1)) = H2T_4 (ruid); | |
1219 | *((uid_t *) t2h_addr (cb, &s, arg2)) = H2T_4 (euid); | |
1220 | *((uid_t *) t2h_addr (cb, &s, arg3)) = H2T_4 (suid); | |
1221 | } | |
1222 | break; | |
1223 | ||
1224 | case TARGET_LINUX_SYS_poll: | |
1225 | { | |
1226 | struct pollfd ufds; | |
1227 | ||
1228 | ufds = *((struct pollfd *) t2h_addr (cb, &s, arg1)); | |
1229 | ufds.fd = T2H_4 (ufds.fd); | |
1230 | ufds.events = T2H_2 (ufds.events); | |
1231 | ufds.revents = T2H_2 (ufds.revents); | |
1232 | ||
1233 | result = poll (&ufds, arg2, arg3); | |
1234 | errcode = errno; | |
1235 | } | |
1236 | break; | |
1237 | ||
1238 | case TARGET_LINUX_SYS_getresgid32: | |
1239 | case TARGET_LINUX_SYS_getresgid: | |
1240 | { | |
1241 | uid_t rgid, egid, sgid; | |
1242 | ||
1243 | result = getresgid (&rgid, &egid, &sgid); | |
1244 | errcode = errno; | |
1245 | ||
1246 | if (result != 0) | |
1247 | break; | |
1248 | ||
1249 | *((uid_t *) t2h_addr (cb, &s, arg1)) = H2T_4 (rgid); | |
1250 | *((uid_t *) t2h_addr (cb, &s, arg2)) = H2T_4 (egid); | |
1251 | *((uid_t *) t2h_addr (cb, &s, arg3)) = H2T_4 (sgid); | |
1252 | } | |
1253 | break; | |
1254 | ||
1255 | case TARGET_LINUX_SYS_pread: | |
1256 | result = pread (arg1, (void *) t2h_addr (cb, &s, arg2), arg3, arg4); | |
1257 | errcode = errno; | |
1258 | break; | |
1259 | ||
1260 | case TARGET_LINUX_SYS_pwrite: | |
1261 | result = pwrite (arg1, (void *) t2h_addr (cb, &s, arg2), arg3, arg4); | |
1262 | errcode = errno; | |
1263 | break; | |
1264 | ||
1265 | case TARGET_LINUX_SYS_chown32: | |
1266 | case TARGET_LINUX_SYS_chown: | |
1267 | result = chown ((char *) t2h_addr (cb, &s, arg1), arg2, arg3); | |
1268 | errcode = errno; | |
1269 | break; | |
1270 | ||
1271 | case TARGET_LINUX_SYS_getcwd: | |
1272 | result = (int) getcwd ((char *) t2h_addr (cb, &s, arg1), arg2); | |
1273 | errcode = errno; | |
1274 | break; | |
1275 | ||
1276 | case TARGET_LINUX_SYS_sendfile: | |
1277 | { | |
1278 | off_t offset; | |
1279 | ||
1280 | offset = *((off_t *) t2h_addr (cb, &s, arg3)); | |
1281 | offset = T2H_4 (offset); | |
1282 | ||
1283 | result = sendfile (arg1, arg2, &offset, arg3); | |
1284 | errcode = errno; | |
1285 | ||
1286 | if (result != 0) | |
1287 | break; | |
1288 | ||
1289 | *((off_t *) t2h_addr (cb, &s, arg3)) = H2T_4 (offset); | |
1290 | } | |
1291 | break; | |
1292 | ||
1293 | default: | |
1294 | result = -1; | |
1295 | errcode = ENOSYS; | |
1296 | break; | |
1297 | } | |
1298 | ||
1299 | if (result == -1) | |
fe41f721 | 1300 | m32rbf_h_gr_set (current_cpu, 0, -errcode); |
54af6227 | 1301 | else |
fe41f721 MF |
1302 | m32rbf_h_gr_set (current_cpu, 0, result); |
1303 | break; | |
1304 | } | |
1305 | ||
c906108c SS |
1306 | case TRAP_BREAKPOINT: |
1307 | sim_engine_halt (sd, current_cpu, NULL, pc, | |
1308 | sim_stopped, SIM_SIGTRAP); | |
1309 | break; | |
1310 | ||
16b47b25 NC |
1311 | case TRAP_FLUSH_CACHE: |
1312 | /* Do nothing. */ | |
1313 | break; | |
1314 | ||
fe41f721 MF |
1315 | case_default: |
1316 | default: | |
c906108c | 1317 | { |
fe41f721 MF |
1318 | /* The new pc is the trap vector entry. |
1319 | We assume there's a branch there to some handler. | |
1320 | Use cr5 as EVB (EIT Vector Base) register. */ | |
16b47b25 | 1321 | /* USI new_pc = EIT_TRAP_BASE_ADDR + num * 4; */ |
fe41f721 | 1322 | USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4; |
c906108c SS |
1323 | return new_pc; |
1324 | } | |
1325 | } | |
1326 | ||
1327 | /* Fake an "rte" insn. */ | |
1328 | /* FIXME: Should duplicate all of rte processing. */ | |
1329 | return (pc & -4) + 4; | |
1330 | } |