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6edf0760 | 1 | /* m32r exception, interrupt, and trap (EIT) support |
9b254dd1 | 2 | Copyright (C) 1998, 2003, 2007, 2008 Free Software Foundation, Inc. |
6edf0760 NC |
3 | Contributed by Renesas. |
4 | ||
5 | This file is part of GDB, the GNU debugger. | |
6 | ||
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. | |
6edf0760 NC |
11 | |
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. | |
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/>. */ | |
6edf0760 NC |
19 | |
20 | #include "sim-main.h" | |
21 | #include "syscall.h" | |
22 | #include "targ-vals.h" | |
23 | #include <dirent.h> | |
24 | #include <errno.h> | |
25 | #include <fcntl.h> | |
26 | #include <time.h> | |
27 | #include <unistd.h> | |
28 | #include <utime.h> | |
29 | #include <sys/mman.h> | |
30 | #include <sys/poll.h> | |
31 | #include <sys/resource.h> | |
32 | #include <sys/sysinfo.h> | |
33 | #include <sys/stat.h> | |
34 | #include <sys/time.h> | |
35 | #include <sys/timeb.h> | |
36 | #include <sys/timex.h> | |
37 | #include <sys/types.h> | |
38 | #include <sys/uio.h> | |
39 | #include <sys/utsname.h> | |
40 | #include <sys/vfs.h> | |
6edf0760 NC |
41 | #include <linux/sysctl.h> |
42 | #include <linux/types.h> | |
43 | #include <linux/unistd.h> | |
44 | ||
45 | #define TRAP_ELF_SYSCALL 0 | |
46 | #define TRAP_LINUX_SYSCALL 2 | |
47 | #define TRAP_FLUSH_CACHE 12 | |
48 | ||
49 | /* The semantic code invokes this for invalid (unrecognized) instructions. */ | |
50 | ||
51 | SEM_PC | |
52 | sim_engine_invalid_insn (SIM_CPU *current_cpu, IADDR cia, SEM_PC vpc) | |
53 | { | |
54 | SIM_DESC sd = CPU_STATE (current_cpu); | |
55 | ||
56 | #if 0 | |
57 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
58 | { | |
59 | h_bsm_set (current_cpu, h_sm_get (current_cpu)); | |
60 | h_bie_set (current_cpu, h_ie_get (current_cpu)); | |
61 | h_bcond_set (current_cpu, h_cond_get (current_cpu)); | |
62 | /* sm not changed */ | |
63 | h_ie_set (current_cpu, 0); | |
64 | h_cond_set (current_cpu, 0); | |
65 | ||
66 | h_bpc_set (current_cpu, cia); | |
67 | ||
68 | sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, | |
69 | EIT_RSVD_INSN_ADDR); | |
70 | } | |
71 | else | |
72 | #endif | |
73 | sim_engine_halt (sd, current_cpu, NULL, cia, sim_stopped, SIM_SIGILL); | |
74 | return vpc; | |
75 | } | |
76 | ||
77 | /* Process an address exception. */ | |
78 | ||
79 | void | |
80 | m32r_core_signal (SIM_DESC sd, SIM_CPU *current_cpu, sim_cia cia, | |
81 | unsigned int map, int nr_bytes, address_word addr, | |
82 | transfer_type transfer, sim_core_signals sig) | |
83 | { | |
84 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
85 | { | |
86 | m32rbf_h_cr_set (current_cpu, H_CR_BBPC, | |
87 | m32rbf_h_cr_get (current_cpu, H_CR_BPC)); | |
88 | if (MACH_NUM (CPU_MACH (current_cpu)) == MACH_M32R) | |
89 | { | |
90 | m32rbf_h_bpsw_set (current_cpu, m32rbf_h_psw_get (current_cpu)); | |
91 | /* sm not changed */ | |
92 | m32rbf_h_psw_set (current_cpu, m32rbf_h_psw_get (current_cpu) & 0x80); | |
93 | } | |
94 | else if (MACH_NUM (CPU_MACH (current_cpu)) == MACH_M32RX) | |
95 | { | |
96 | m32rxf_h_bpsw_set (current_cpu, m32rxf_h_psw_get (current_cpu)); | |
97 | /* sm not changed */ | |
98 | m32rxf_h_psw_set (current_cpu, m32rxf_h_psw_get (current_cpu) & 0x80); | |
99 | } | |
100 | else | |
101 | { | |
102 | m32r2f_h_bpsw_set (current_cpu, m32r2f_h_psw_get (current_cpu)); | |
103 | /* sm not changed */ | |
104 | m32r2f_h_psw_set (current_cpu, m32r2f_h_psw_get (current_cpu) & 0x80); | |
105 | } | |
106 | m32rbf_h_cr_set (current_cpu, H_CR_BPC, cia); | |
107 | ||
108 | sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, | |
109 | EIT_ADDR_EXCP_ADDR); | |
110 | } | |
111 | else | |
112 | sim_core_signal (sd, current_cpu, cia, map, nr_bytes, addr, | |
113 | transfer, sig); | |
114 | } | |
115 | \f | |
116 | /* Read/write functions for system call interface. */ | |
117 | ||
118 | static int | |
119 | syscall_read_mem (host_callback *cb, struct cb_syscall *sc, | |
120 | unsigned long taddr, char *buf, int bytes) | |
121 | { | |
122 | SIM_DESC sd = (SIM_DESC) sc->p1; | |
123 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
124 | ||
125 | return sim_core_read_buffer (sd, cpu, read_map, buf, taddr, bytes); | |
126 | } | |
127 | ||
128 | static int | |
129 | syscall_write_mem (host_callback *cb, struct cb_syscall *sc, | |
130 | unsigned long taddr, const char *buf, int bytes) | |
131 | { | |
132 | SIM_DESC sd = (SIM_DESC) sc->p1; | |
133 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
134 | ||
135 | return sim_core_write_buffer (sd, cpu, write_map, buf, taddr, bytes); | |
136 | } | |
137 | ||
138 | /* Translate target's address to host's address. */ | |
139 | ||
140 | static void * | |
141 | t2h_addr (host_callback *cb, struct cb_syscall *sc, | |
142 | unsigned long taddr) | |
143 | { | |
144 | extern sim_core_trans_addr (SIM_DESC, sim_cpu *, unsigned, address_word); | |
145 | void *addr; | |
146 | SIM_DESC sd = (SIM_DESC) sc->p1; | |
147 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
148 | ||
149 | if (taddr == 0) | |
150 | return NULL; | |
151 | ||
152 | return sim_core_trans_addr (sd, cpu, read_map, taddr); | |
153 | } | |
154 | ||
155 | static unsigned int | |
156 | conv_endian (unsigned int tvalue) | |
157 | { | |
158 | unsigned int hvalue; | |
159 | unsigned int t1, t2, t3, t4; | |
160 | ||
161 | if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) | |
162 | { | |
163 | t1 = tvalue & 0xff000000; | |
164 | t2 = tvalue & 0x00ff0000; | |
165 | t3 = tvalue & 0x0000ff00; | |
166 | t4 = tvalue & 0x000000ff; | |
167 | ||
168 | hvalue = t1 >> 24; | |
169 | hvalue += t2 >> 8; | |
170 | hvalue += t3 << 8; | |
171 | hvalue += t4 << 24; | |
172 | } | |
173 | else | |
174 | hvalue = tvalue; | |
175 | ||
176 | return hvalue; | |
177 | } | |
178 | ||
179 | static unsigned short | |
180 | conv_endian16 (unsigned short tvalue) | |
181 | { | |
182 | unsigned short hvalue; | |
183 | unsigned short t1, t2; | |
184 | ||
185 | if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) | |
186 | { | |
187 | t1 = tvalue & 0xff00; | |
188 | t2 = tvalue & 0x00ff; | |
189 | ||
190 | hvalue = t1 >> 8; | |
191 | hvalue += t2 << 8; | |
192 | } | |
193 | else | |
194 | hvalue = tvalue; | |
195 | ||
196 | return hvalue; | |
197 | } | |
198 | ||
199 | static void | |
200 | translate_endian(void *addr, size_t size) | |
201 | { | |
202 | unsigned int *p = (unsigned int *) addr; | |
203 | int i; | |
204 | ||
205 | for (i = 0; i <= size - 4; i += 4,p++) | |
206 | *p = conv_endian(*p); | |
207 | ||
208 | if (i <= size - 2) | |
209 | *((unsigned short *) p) = conv_endian16(*((unsigned short *) p)); | |
210 | } | |
211 | ||
212 | /* Trap support. | |
213 | The result is the pc address to continue at. | |
214 | Preprocessing like saving the various registers has already been done. */ | |
215 | ||
216 | USI | |
217 | m32r_trap (SIM_CPU *current_cpu, PCADDR pc, int num) | |
218 | { | |
219 | SIM_DESC sd = CPU_STATE (current_cpu); | |
220 | host_callback *cb = STATE_CALLBACK (sd); | |
221 | ||
222 | #ifdef SIM_HAVE_BREAKPOINTS | |
223 | /* Check for breakpoints "owned" by the simulator first, regardless | |
224 | of --environment. */ | |
225 | if (num == TRAP_BREAKPOINT) | |
226 | { | |
227 | /* First try sim-break.c. If it's a breakpoint the simulator "owns" | |
228 | it doesn't return. Otherwise it returns and let's us try. */ | |
229 | sim_handle_breakpoint (sd, current_cpu, pc); | |
230 | /* Fall through. */ | |
231 | } | |
232 | #endif | |
233 | ||
234 | switch (num) | |
235 | { | |
236 | case TRAP_ELF_SYSCALL : | |
237 | { | |
238 | CB_SYSCALL s; | |
239 | ||
240 | CB_SYSCALL_INIT (&s); | |
241 | s.func = m32rbf_h_gr_get (current_cpu, 0); | |
242 | s.arg1 = m32rbf_h_gr_get (current_cpu, 1); | |
243 | s.arg2 = m32rbf_h_gr_get (current_cpu, 2); | |
244 | s.arg3 = m32rbf_h_gr_get (current_cpu, 3); | |
245 | ||
246 | if (s.func == TARGET_SYS_exit) | |
247 | { | |
248 | sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, s.arg1); | |
249 | } | |
250 | ||
251 | s.p1 = (PTR) sd; | |
252 | s.p2 = (PTR) current_cpu; | |
253 | s.read_mem = syscall_read_mem; | |
254 | s.write_mem = syscall_write_mem; | |
255 | cb_syscall (cb, &s); | |
256 | m32rbf_h_gr_set (current_cpu, 2, s.errcode); | |
257 | m32rbf_h_gr_set (current_cpu, 0, s.result); | |
258 | m32rbf_h_gr_set (current_cpu, 1, s.result2); | |
259 | break; | |
260 | } | |
261 | ||
262 | case TRAP_LINUX_SYSCALL : | |
263 | { | |
264 | CB_SYSCALL s; | |
265 | unsigned int func, arg1, arg2, arg3, arg4, arg5, arg6, arg7; | |
266 | int result, result2, errcode; | |
267 | ||
268 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
269 | { | |
270 | /* The new pc is the trap vector entry. | |
271 | We assume there's a branch there to some handler. | |
272 | Use cr5 as EVB (EIT Vector Base) register. */ | |
273 | USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4; | |
274 | return new_pc; | |
275 | } | |
276 | ||
277 | func = m32rbf_h_gr_get (current_cpu, 7); | |
278 | arg1 = m32rbf_h_gr_get (current_cpu, 0); | |
279 | arg2 = m32rbf_h_gr_get (current_cpu, 1); | |
280 | arg3 = m32rbf_h_gr_get (current_cpu, 2); | |
281 | arg4 = m32rbf_h_gr_get (current_cpu, 3); | |
282 | arg5 = m32rbf_h_gr_get (current_cpu, 4); | |
283 | arg6 = m32rbf_h_gr_get (current_cpu, 5); | |
284 | arg7 = m32rbf_h_gr_get (current_cpu, 6); | |
285 | ||
286 | CB_SYSCALL_INIT (&s); | |
287 | s.func = func; | |
288 | s.arg1 = arg1; | |
289 | s.arg2 = arg2; | |
290 | s.arg3 = arg3; | |
291 | ||
292 | s.p1 = (PTR) sd; | |
293 | s.p2 = (PTR) current_cpu; | |
294 | s.read_mem = syscall_read_mem; | |
295 | s.write_mem = syscall_write_mem; | |
296 | ||
297 | result = 0; | |
298 | result2 = 0; | |
299 | errcode = 0; | |
300 | ||
301 | switch (func) | |
302 | { | |
303 | case __NR_exit: | |
304 | sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, arg1); | |
305 | break; | |
306 | ||
307 | case __NR_read: | |
308 | result = read(arg1, t2h_addr(cb, &s, arg2), arg3); | |
309 | errcode = errno; | |
310 | break; | |
311 | ||
312 | case __NR_write: | |
313 | result = write(arg1, t2h_addr(cb, &s, arg2), arg3); | |
314 | errcode = errno; | |
315 | break; | |
316 | ||
317 | case __NR_open: | |
318 | result = open((char *) t2h_addr(cb, &s, arg1), arg2, arg3); | |
319 | errcode = errno; | |
320 | break; | |
321 | ||
322 | case __NR_close: | |
323 | result = close(arg1); | |
324 | errcode = errno; | |
325 | break; | |
326 | ||
327 | case __NR_creat: | |
328 | result = creat((char *) t2h_addr(cb, &s, arg1), arg2); | |
329 | errcode = errno; | |
330 | break; | |
331 | ||
332 | case __NR_link: | |
333 | result = link((char *) t2h_addr(cb, &s, arg1), | |
334 | (char *) t2h_addr(cb, &s, arg2)); | |
335 | errcode = errno; | |
336 | break; | |
337 | ||
338 | case __NR_unlink: | |
339 | result = unlink((char *) t2h_addr(cb, &s, arg1)); | |
340 | errcode = errno; | |
341 | break; | |
342 | ||
343 | case __NR_chdir: | |
344 | result = chdir((char *) t2h_addr(cb, &s, arg1)); | |
345 | errcode = errno; | |
346 | break; | |
347 | ||
348 | case __NR_time: | |
349 | { | |
350 | time_t t; | |
351 | ||
352 | if (arg1 == 0) | |
353 | { | |
354 | result = (int) time(NULL); | |
355 | errcode = errno; | |
356 | } | |
357 | else | |
358 | { | |
359 | result = (int) time(&t); | |
360 | errcode = errno; | |
361 | ||
362 | if (result != 0) | |
363 | break; | |
364 | ||
365 | translate_endian((void *) &t, sizeof(t)); | |
366 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) != sizeof(t)) | |
367 | { | |
368 | result = -1; | |
369 | errcode = EINVAL; | |
370 | } | |
371 | } | |
372 | } | |
373 | break; | |
374 | ||
375 | case __NR_mknod: | |
376 | result = mknod((char *) t2h_addr(cb, &s, arg1), | |
377 | (mode_t) arg2, (dev_t) arg3); | |
378 | errcode = errno; | |
379 | break; | |
380 | ||
381 | case __NR_chmod: | |
382 | result = chmod((char *) t2h_addr(cb, &s, arg1), (mode_t) arg2); | |
383 | errcode = errno; | |
384 | break; | |
385 | ||
19e64aa9 | 386 | case __NR_lchown32: |
6edf0760 NC |
387 | case __NR_lchown: |
388 | result = lchown((char *) t2h_addr(cb, &s, arg1), | |
389 | (uid_t) arg2, (gid_t) arg3); | |
390 | errcode = errno; | |
391 | break; | |
392 | ||
393 | case __NR_lseek: | |
394 | result = (int) lseek(arg1, (off_t) arg2, arg3); | |
395 | errcode = errno; | |
396 | break; | |
397 | ||
398 | case __NR_getpid: | |
399 | result = getpid(); | |
400 | errcode = errno; | |
401 | break; | |
402 | ||
19e64aa9 | 403 | case __NR_getuid32: |
6edf0760 NC |
404 | case __NR_getuid: |
405 | result = getuid(); | |
406 | errcode = errno; | |
407 | break; | |
408 | ||
409 | case __NR_utime: | |
410 | { | |
411 | struct utimbuf buf; | |
412 | ||
413 | if (arg2 == 0) | |
414 | { | |
415 | result = utime((char *) t2h_addr(cb, &s, arg1), NULL); | |
416 | errcode = errno; | |
417 | } | |
418 | else | |
419 | { | |
420 | buf = *((struct utimbuf *) t2h_addr(cb, &s, arg2)); | |
421 | translate_endian((void *) &buf, sizeof(buf)); | |
422 | result = utime((char *) t2h_addr(cb, &s, arg1), &buf); | |
423 | errcode = errno; | |
424 | } | |
425 | } | |
426 | break; | |
427 | ||
428 | case __NR_access: | |
429 | result = access((char *) t2h_addr(cb, &s, arg1), arg2); | |
430 | errcode = errno; | |
431 | break; | |
432 | ||
433 | case __NR_ftime: | |
434 | { | |
435 | struct timeb t; | |
436 | ||
437 | result = ftime(&t); | |
438 | errcode = errno; | |
439 | ||
440 | if (result != 0) | |
441 | break; | |
442 | ||
443 | t.time = conv_endian(t.time); | |
444 | t.millitm = conv_endian16(t.millitm); | |
445 | t.timezone = conv_endian16(t.timezone); | |
446 | t.dstflag = conv_endian16(t.dstflag); | |
447 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) | |
448 | != sizeof(t)) | |
449 | { | |
450 | result = -1; | |
451 | errcode = EINVAL; | |
452 | } | |
453 | } | |
454 | ||
455 | case __NR_sync: | |
456 | sync(); | |
457 | result = 0; | |
458 | break; | |
459 | ||
460 | case __NR_rename: | |
461 | result = rename((char *) t2h_addr(cb, &s, arg1), | |
462 | (char *) t2h_addr(cb, &s, arg2)); | |
463 | errcode = errno; | |
464 | break; | |
465 | ||
466 | case __NR_mkdir: | |
467 | result = mkdir((char *) t2h_addr(cb, &s, arg1), arg2); | |
468 | errcode = errno; | |
469 | break; | |
470 | ||
471 | case __NR_rmdir: | |
472 | result = rmdir((char *) t2h_addr(cb, &s, arg1)); | |
473 | errcode = errno; | |
474 | break; | |
475 | ||
476 | case __NR_dup: | |
477 | result = dup(arg1); | |
478 | errcode = errno; | |
479 | break; | |
480 | ||
481 | case __NR_brk: | |
482 | result = brk((void *) arg1); | |
483 | errcode = errno; | |
484 | //result = arg1; | |
485 | break; | |
486 | ||
19e64aa9 | 487 | case __NR_getgid32: |
6edf0760 NC |
488 | case __NR_getgid: |
489 | result = getgid(); | |
490 | errcode = errno; | |
491 | break; | |
492 | ||
19e64aa9 | 493 | case __NR_geteuid32: |
6edf0760 NC |
494 | case __NR_geteuid: |
495 | result = geteuid(); | |
496 | errcode = errno; | |
497 | break; | |
498 | ||
19e64aa9 | 499 | case __NR_getegid32: |
6edf0760 NC |
500 | case __NR_getegid: |
501 | result = getegid(); | |
502 | errcode = errno; | |
503 | break; | |
504 | ||
505 | case __NR_ioctl: | |
506 | result = ioctl(arg1, arg2, arg3); | |
507 | errcode = errno; | |
508 | break; | |
509 | ||
510 | case __NR_fcntl: | |
511 | result = fcntl(arg1, arg2, arg3); | |
512 | errcode = errno; | |
513 | break; | |
514 | ||
6edf0760 NC |
515 | case __NR_dup2: |
516 | result = dup2(arg1, arg2); | |
517 | errcode = errno; | |
518 | break; | |
519 | ||
520 | case __NR_getppid: | |
521 | result = getppid(); | |
522 | errcode = errno; | |
523 | break; | |
524 | ||
525 | case __NR_getpgrp: | |
526 | result = getpgrp(); | |
527 | errcode = errno; | |
528 | break; | |
529 | ||
530 | case __NR_getrlimit: | |
531 | { | |
532 | struct rlimit rlim; | |
533 | ||
534 | result = getrlimit(arg1, &rlim); | |
535 | errcode = errno; | |
536 | ||
537 | if (result != 0) | |
538 | break; | |
539 | ||
540 | translate_endian((void *) &rlim, sizeof(rlim)); | |
541 | if ((s.write_mem) (cb, &s, arg2, (char *) &rlim, sizeof(rlim)) | |
542 | != sizeof(rlim)) | |
543 | { | |
544 | result = -1; | |
545 | errcode = EINVAL; | |
546 | } | |
547 | } | |
548 | break; | |
549 | ||
550 | case __NR_getrusage: | |
551 | { | |
552 | struct rusage usage; | |
553 | ||
554 | result = getrusage(arg1, &usage); | |
555 | errcode = errno; | |
556 | ||
557 | if (result != 0) | |
558 | break; | |
559 | ||
560 | translate_endian((void *) &usage, sizeof(usage)); | |
561 | if ((s.write_mem) (cb, &s, arg2, (char *) &usage, sizeof(usage)) | |
562 | != sizeof(usage)) | |
563 | { | |
564 | result = -1; | |
565 | errcode = EINVAL; | |
566 | } | |
567 | } | |
568 | break; | |
569 | ||
570 | case __NR_gettimeofday: | |
571 | { | |
572 | struct timeval tv; | |
573 | struct timezone tz; | |
574 | ||
575 | result = gettimeofday(&tv, &tz); | |
576 | errcode = errno; | |
577 | ||
578 | if (result != 0) | |
579 | break; | |
580 | ||
581 | translate_endian((void *) &tv, sizeof(tv)); | |
582 | if ((s.write_mem) (cb, &s, arg1, (char *) &tv, sizeof(tv)) | |
583 | != sizeof(tv)) | |
584 | { | |
585 | result = -1; | |
586 | errcode = EINVAL; | |
587 | } | |
588 | ||
589 | translate_endian((void *) &tz, sizeof(tz)); | |
590 | if ((s.write_mem) (cb, &s, arg2, (char *) &tz, sizeof(tz)) | |
591 | != sizeof(tz)) | |
592 | { | |
593 | result = -1; | |
594 | errcode = EINVAL; | |
595 | } | |
596 | } | |
597 | break; | |
598 | ||
19e64aa9 | 599 | case __NR_getgroups32: |
6edf0760 NC |
600 | case __NR_getgroups: |
601 | { | |
602 | gid_t *list; | |
603 | ||
604 | if (arg1 > 0) | |
605 | list = (gid_t *) malloc(arg1 * sizeof(gid_t)); | |
606 | ||
607 | result = getgroups(arg1, list); | |
608 | errcode = errno; | |
609 | ||
610 | if (result != 0) | |
611 | break; | |
612 | ||
613 | translate_endian((void *) list, arg1 * sizeof(gid_t)); | |
614 | if (arg1 > 0) | |
615 | if ((s.write_mem) (cb, &s, arg2, (char *) list, arg1 * sizeof(gid_t)) | |
616 | != arg1 * sizeof(gid_t)) | |
617 | { | |
618 | result = -1; | |
619 | errcode = EINVAL; | |
620 | } | |
621 | } | |
622 | break; | |
623 | ||
624 | case __NR_select: | |
625 | { | |
626 | int n; | |
627 | fd_set readfds; | |
628 | fd_set *treadfdsp; | |
629 | fd_set *hreadfdsp; | |
630 | fd_set writefds; | |
631 | fd_set *twritefdsp; | |
632 | fd_set *hwritefdsp; | |
633 | fd_set exceptfds; | |
634 | fd_set *texceptfdsp; | |
635 | fd_set *hexceptfdsp; | |
636 | struct timeval *ttimeoutp; | |
637 | struct timeval timeout; | |
638 | ||
639 | n = arg1; | |
640 | ||
641 | treadfdsp = (fd_set *) arg2; | |
642 | if (treadfdsp != NULL) | |
643 | { | |
644 | readfds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) treadfdsp)); | |
645 | translate_endian((void *) &readfds, sizeof(readfds)); | |
646 | hreadfdsp = &readfds; | |
647 | } | |
648 | else | |
649 | hreadfdsp = NULL; | |
650 | ||
651 | twritefdsp = (fd_set *) arg3; | |
652 | if (twritefdsp != NULL) | |
653 | { | |
654 | writefds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) twritefdsp)); | |
655 | translate_endian((void *) &writefds, sizeof(writefds)); | |
656 | hwritefdsp = &writefds; | |
657 | } | |
658 | else | |
659 | hwritefdsp = NULL; | |
660 | ||
661 | texceptfdsp = (fd_set *) arg4; | |
662 | if (texceptfdsp != NULL) | |
663 | { | |
664 | exceptfds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) texceptfdsp)); | |
665 | translate_endian((void *) &exceptfds, sizeof(exceptfds)); | |
666 | hexceptfdsp = &exceptfds; | |
667 | } | |
668 | else | |
669 | hexceptfdsp = NULL; | |
670 | ||
671 | ttimeoutp = (struct timeval *) arg5; | |
672 | timeout = *((struct timeval *) t2h_addr(cb, &s, (unsigned int) ttimeoutp)); | |
673 | translate_endian((void *) &timeout, sizeof(timeout)); | |
674 | ||
675 | result = select(n, hreadfdsp, hwritefdsp, hexceptfdsp, &timeout); | |
676 | errcode = errno; | |
677 | ||
678 | if (result != 0) | |
679 | break; | |
680 | ||
681 | if (treadfdsp != NULL) | |
682 | { | |
683 | translate_endian((void *) &readfds, sizeof(readfds)); | |
684 | if ((s.write_mem) (cb, &s, (unsigned long) treadfdsp, | |
685 | (char *) &readfds, sizeof(readfds)) != sizeof(readfds)) | |
686 | { | |
687 | result = -1; | |
688 | errcode = EINVAL; | |
689 | } | |
690 | } | |
691 | ||
692 | if (twritefdsp != NULL) | |
693 | { | |
694 | translate_endian((void *) &writefds, sizeof(writefds)); | |
695 | if ((s.write_mem) (cb, &s, (unsigned long) twritefdsp, | |
696 | (char *) &writefds, sizeof(writefds)) != sizeof(writefds)) | |
697 | { | |
698 | result = -1; | |
699 | errcode = EINVAL; | |
700 | } | |
701 | } | |
702 | ||
703 | if (texceptfdsp != NULL) | |
704 | { | |
705 | translate_endian((void *) &exceptfds, sizeof(exceptfds)); | |
706 | if ((s.write_mem) (cb, &s, (unsigned long) texceptfdsp, | |
707 | (char *) &exceptfds, sizeof(exceptfds)) != sizeof(exceptfds)) | |
708 | { | |
709 | result = -1; | |
710 | errcode = EINVAL; | |
711 | } | |
712 | } | |
713 | ||
714 | translate_endian((void *) &timeout, sizeof(timeout)); | |
715 | if ((s.write_mem) (cb, &s, (unsigned long) ttimeoutp, | |
716 | (char *) &timeout, sizeof(timeout)) != sizeof(timeout)) | |
717 | { | |
718 | result = -1; | |
719 | errcode = EINVAL; | |
720 | } | |
721 | } | |
722 | break; | |
723 | ||
724 | case __NR_symlink: | |
725 | result = symlink((char *) t2h_addr(cb, &s, arg1), | |
726 | (char *) t2h_addr(cb, &s, arg2)); | |
727 | errcode = errno; | |
728 | break; | |
729 | ||
730 | case __NR_readlink: | |
731 | result = readlink((char *) t2h_addr(cb, &s, arg1), | |
732 | (char *) t2h_addr(cb, &s, arg2), | |
733 | arg3); | |
734 | errcode = errno; | |
735 | break; | |
736 | ||
737 | case __NR_readdir: | |
738 | result = (int) readdir((DIR *) t2h_addr(cb, &s, arg1)); | |
739 | errcode = errno; | |
740 | break; | |
741 | ||
742 | #if 0 | |
743 | case __NR_mmap: | |
744 | { | |
745 | result = (int) mmap((void *) t2h_addr(cb, &s, arg1), | |
746 | arg2, arg3, arg4, arg5, arg6); | |
747 | errcode = errno; | |
748 | ||
749 | if (errno == 0) | |
750 | { | |
751 | sim_core_attach (sd, NULL, | |
752 | 0, access_read_write_exec, 0, | |
753 | result, arg2, 0, NULL, NULL); | |
754 | } | |
755 | } | |
756 | break; | |
757 | #endif | |
19e64aa9 KI |
758 | case __NR_mmap2: |
759 | { | |
760 | void *addr; | |
761 | size_t len; | |
762 | int prot, flags, fildes; | |
763 | off_t off; | |
764 | ||
765 | addr = (void *) t2h_addr(cb, &s, arg1); | |
766 | len = arg2; | |
767 | prot = arg3; | |
768 | flags = arg4; | |
769 | fildes = arg5; | |
770 | off = arg6 << 12; | |
771 | ||
772 | result = (int) mmap(addr, len, prot, flags, fildes, off); | |
773 | errcode = errno; | |
774 | if (result != -1) | |
775 | { | |
776 | char c; | |
777 | if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0) | |
778 | sim_core_attach (sd, NULL, | |
779 | 0, access_read_write_exec, 0, | |
780 | result, len, 0, NULL, NULL); | |
781 | } | |
782 | } | |
783 | break; | |
784 | ||
6edf0760 NC |
785 | case __NR_mmap: |
786 | { | |
787 | void *addr; | |
788 | size_t len; | |
789 | int prot, flags, fildes; | |
790 | off_t off; | |
791 | ||
792 | addr = *((void **) t2h_addr(cb, &s, arg1)); | |
793 | len = *((size_t *) t2h_addr(cb, &s, arg1 + 4)); | |
794 | prot = *((int *) t2h_addr(cb, &s, arg1 + 8)); | |
795 | flags = *((int *) t2h_addr(cb, &s, arg1 + 12)); | |
796 | fildes = *((int *) t2h_addr(cb, &s, arg1 + 16)); | |
797 | off = *((off_t *) t2h_addr(cb, &s, arg1 + 20)); | |
798 | ||
799 | addr = (void *) conv_endian((unsigned int) addr); | |
800 | len = conv_endian(len); | |
801 | prot = conv_endian(prot); | |
802 | flags = conv_endian(flags); | |
803 | fildes = conv_endian(fildes); | |
804 | off = conv_endian(off); | |
805 | ||
806 | //addr = (void *) t2h_addr(cb, &s, (unsigned int) addr); | |
807 | result = (int) mmap(addr, len, prot, flags, fildes, off); | |
808 | errcode = errno; | |
809 | ||
810 | //if (errno == 0) | |
811 | if (result != -1) | |
812 | { | |
813 | char c; | |
814 | if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0) | |
815 | sim_core_attach (sd, NULL, | |
816 | 0, access_read_write_exec, 0, | |
817 | result, len, 0, NULL, NULL); | |
818 | } | |
819 | } | |
820 | break; | |
821 | ||
822 | case __NR_munmap: | |
823 | { | |
824 | result = munmap((void *)arg1, arg2); | |
825 | errcode = errno; | |
826 | if (result != -1) | |
827 | { | |
828 | sim_core_detach (sd, NULL, 0, arg2, result); | |
829 | } | |
830 | } | |
831 | break; | |
832 | ||
833 | case __NR_truncate: | |
834 | result = truncate((char *) t2h_addr(cb, &s, arg1), arg2); | |
835 | errcode = errno; | |
836 | break; | |
837 | ||
838 | case __NR_ftruncate: | |
839 | result = ftruncate(arg1, arg2); | |
840 | errcode = errno; | |
841 | break; | |
842 | ||
843 | case __NR_fchmod: | |
844 | result = fchmod(arg1, arg2); | |
845 | errcode = errno; | |
846 | break; | |
847 | ||
19e64aa9 | 848 | case __NR_fchown32: |
6edf0760 NC |
849 | case __NR_fchown: |
850 | result = fchown(arg1, arg2, arg3); | |
851 | errcode = errno; | |
852 | break; | |
853 | ||
854 | case __NR_statfs: | |
855 | { | |
856 | struct statfs statbuf; | |
857 | ||
858 | result = statfs((char *) t2h_addr(cb, &s, arg1), &statbuf); | |
859 | errcode = errno; | |
860 | ||
861 | if (result != 0) | |
862 | break; | |
863 | ||
864 | translate_endian((void *) &statbuf, sizeof(statbuf)); | |
865 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
866 | != sizeof(statbuf)) | |
867 | { | |
868 | result = -1; | |
869 | errcode = EINVAL; | |
870 | } | |
871 | } | |
872 | break; | |
873 | ||
874 | case __NR_fstatfs: | |
875 | { | |
876 | struct statfs statbuf; | |
877 | ||
878 | result = fstatfs(arg1, &statbuf); | |
879 | errcode = errno; | |
880 | ||
881 | if (result != 0) | |
882 | break; | |
883 | ||
884 | translate_endian((void *) &statbuf, sizeof(statbuf)); | |
885 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
886 | != sizeof(statbuf)) | |
887 | { | |
888 | result = -1; | |
889 | errcode = EINVAL; | |
890 | } | |
891 | } | |
892 | break; | |
893 | ||
894 | case __NR_syslog: | |
895 | result = syslog(arg1, (char *) t2h_addr(cb, &s, arg2)); | |
896 | errcode = errno; | |
897 | break; | |
898 | ||
899 | case __NR_setitimer: | |
900 | { | |
901 | struct itimerval value, ovalue; | |
902 | ||
903 | value = *((struct itimerval *) t2h_addr(cb, &s, arg2)); | |
904 | translate_endian((void *) &value, sizeof(value)); | |
905 | ||
906 | if (arg2 == 0) | |
907 | { | |
908 | result = setitimer(arg1, &value, NULL); | |
909 | errcode = errno; | |
910 | } | |
911 | else | |
912 | { | |
913 | result = setitimer(arg1, &value, &ovalue); | |
914 | errcode = errno; | |
915 | ||
916 | if (result != 0) | |
917 | break; | |
918 | ||
919 | translate_endian((void *) &ovalue, sizeof(ovalue)); | |
920 | if ((s.write_mem) (cb, &s, arg3, (char *) &ovalue, sizeof(ovalue)) | |
921 | != sizeof(ovalue)) | |
922 | { | |
923 | result = -1; | |
924 | errcode = EINVAL; | |
925 | } | |
926 | } | |
927 | } | |
928 | break; | |
929 | ||
930 | case __NR_getitimer: | |
931 | { | |
932 | struct itimerval value; | |
933 | ||
934 | result = getitimer(arg1, &value); | |
935 | errcode = errno; | |
936 | ||
937 | if (result != 0) | |
938 | break; | |
939 | ||
940 | translate_endian((void *) &value, sizeof(value)); | |
941 | if ((s.write_mem) (cb, &s, arg2, (char *) &value, sizeof(value)) | |
942 | != sizeof(value)) | |
943 | { | |
944 | result = -1; | |
945 | errcode = EINVAL; | |
946 | } | |
947 | } | |
948 | break; | |
949 | ||
950 | case __NR_stat: | |
951 | { | |
952 | char *buf; | |
953 | int buflen; | |
954 | struct stat statbuf; | |
955 | ||
956 | result = stat((char *) t2h_addr(cb, &s, arg1), &statbuf); | |
957 | errcode = errno; | |
958 | if (result < 0) | |
959 | break; | |
960 | ||
961 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
962 | buf = xmalloc (buflen); | |
963 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
964 | { | |
965 | /* The translation failed. This is due to an internal | |
966 | host program error, not the target's fault. */ | |
967 | free (buf); | |
968 | result = -1; | |
969 | errcode = ENOSYS; | |
970 | break; | |
971 | } | |
972 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
973 | { | |
974 | free (buf); | |
975 | result = -1; | |
976 | errcode = EINVAL; | |
977 | break; | |
978 | } | |
979 | free (buf); | |
980 | } | |
981 | break; | |
982 | ||
983 | case __NR_lstat: | |
984 | { | |
985 | char *buf; | |
986 | int buflen; | |
987 | struct stat statbuf; | |
988 | ||
989 | result = lstat((char *) t2h_addr(cb, &s, arg1), &statbuf); | |
990 | errcode = errno; | |
991 | if (result < 0) | |
992 | break; | |
993 | ||
994 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
995 | buf = xmalloc (buflen); | |
996 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
997 | { | |
998 | /* The translation failed. This is due to an internal | |
999 | host program error, not the target's fault. */ | |
1000 | free (buf); | |
1001 | result = -1; | |
1002 | errcode = ENOSYS; | |
1003 | break; | |
1004 | } | |
1005 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
1006 | { | |
1007 | free (buf); | |
1008 | result = -1; | |
1009 | errcode = EINVAL; | |
1010 | break; | |
1011 | } | |
1012 | free (buf); | |
1013 | } | |
1014 | break; | |
1015 | ||
1016 | case __NR_fstat: | |
1017 | { | |
1018 | char *buf; | |
1019 | int buflen; | |
1020 | struct stat statbuf; | |
1021 | ||
1022 | result = fstat(arg1, &statbuf); | |
1023 | errcode = errno; | |
1024 | if (result < 0) | |
1025 | break; | |
1026 | ||
1027 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
1028 | buf = xmalloc (buflen); | |
1029 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
1030 | { | |
1031 | /* The translation failed. This is due to an internal | |
1032 | host program error, not the target's fault. */ | |
1033 | free (buf); | |
1034 | result = -1; | |
1035 | errcode = ENOSYS; | |
1036 | break; | |
1037 | } | |
1038 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
1039 | { | |
1040 | free (buf); | |
1041 | result = -1; | |
1042 | errcode = EINVAL; | |
1043 | break; | |
1044 | } | |
1045 | free (buf); | |
1046 | } | |
1047 | break; | |
1048 | ||
1049 | case __NR_sysinfo: | |
1050 | { | |
1051 | struct sysinfo info; | |
1052 | ||
1053 | result = sysinfo(&info); | |
1054 | errcode = errno; | |
1055 | ||
1056 | if (result != 0) | |
1057 | break; | |
1058 | ||
1059 | info.uptime = conv_endian(info.uptime); | |
1060 | info.loads[0] = conv_endian(info.loads[0]); | |
1061 | info.loads[1] = conv_endian(info.loads[1]); | |
1062 | info.loads[2] = conv_endian(info.loads[2]); | |
1063 | info.totalram = conv_endian(info.totalram); | |
1064 | info.freeram = conv_endian(info.freeram); | |
1065 | info.sharedram = conv_endian(info.sharedram); | |
1066 | info.bufferram = conv_endian(info.bufferram); | |
1067 | info.totalswap = conv_endian(info.totalswap); | |
1068 | info.freeswap = conv_endian(info.freeswap); | |
1069 | info.procs = conv_endian16(info.procs); | |
1070 | #if LINUX_VERSION_CODE >= 0x20400 | |
1071 | info.totalhigh = conv_endian(info.totalhigh); | |
1072 | info.freehigh = conv_endian(info.freehigh); | |
1073 | info.mem_unit = conv_endian(info.mem_unit); | |
1074 | #endif | |
1075 | if ((s.write_mem) (cb, &s, arg1, (char *) &info, sizeof(info)) | |
1076 | != sizeof(info)) | |
1077 | { | |
1078 | result = -1; | |
1079 | errcode = EINVAL; | |
1080 | } | |
1081 | } | |
1082 | break; | |
1083 | ||
1084 | #if 0 | |
1085 | case __NR_ipc: | |
1086 | { | |
1087 | result = ipc(arg1, arg2, arg3, arg4, | |
1088 | (void *) t2h_addr(cb, &s, arg5), arg6); | |
1089 | errcode = errno; | |
1090 | } | |
1091 | break; | |
1092 | #endif | |
1093 | ||
1094 | case __NR_fsync: | |
1095 | result = fsync(arg1); | |
1096 | errcode = errno; | |
1097 | break; | |
1098 | ||
1099 | case __NR_uname: | |
1100 | /* utsname contains only arrays of char, so it is not necessary | |
1101 | to translate endian. */ | |
1102 | result = uname((struct utsname *) t2h_addr(cb, &s, arg1)); | |
1103 | errcode = errno; | |
1104 | break; | |
1105 | ||
1106 | case __NR_adjtimex: | |
1107 | { | |
1108 | struct timex buf; | |
1109 | ||
1110 | result = adjtimex(&buf); | |
1111 | errcode = errno; | |
1112 | ||
1113 | if (result != 0) | |
1114 | break; | |
1115 | ||
1116 | translate_endian((void *) &buf, sizeof(buf)); | |
1117 | if ((s.write_mem) (cb, &s, arg1, (char *) &buf, sizeof(buf)) | |
1118 | != sizeof(buf)) | |
1119 | { | |
1120 | result = -1; | |
1121 | errcode = EINVAL; | |
1122 | } | |
1123 | } | |
1124 | break; | |
1125 | ||
1126 | case __NR_mprotect: | |
1127 | result = mprotect((void *) arg1, arg2, arg3); | |
1128 | errcode = errno; | |
1129 | break; | |
1130 | ||
6edf0760 NC |
1131 | case __NR_fchdir: |
1132 | result = fchdir(arg1); | |
1133 | errcode = errno; | |
1134 | break; | |
1135 | ||
19e64aa9 | 1136 | case __NR_setfsuid32: |
6edf0760 NC |
1137 | case __NR_setfsuid: |
1138 | result = setfsuid(arg1); | |
1139 | errcode = errno; | |
1140 | break; | |
1141 | ||
19e64aa9 | 1142 | case __NR_setfsgid32: |
6edf0760 NC |
1143 | case __NR_setfsgid: |
1144 | result = setfsgid(arg1); | |
1145 | errcode = errno; | |
1146 | break; | |
1147 | ||
1148 | #if 0 | |
1149 | case __NR__llseek: | |
1150 | { | |
1151 | loff_t buf; | |
1152 | ||
1153 | result = _llseek(arg1, arg2, arg3, &buf, arg5); | |
1154 | errcode = errno; | |
1155 | ||
1156 | if (result != 0) | |
1157 | break; | |
1158 | ||
1159 | translate_endian((void *) &buf, sizeof(buf)); | |
1160 | if ((s.write_mem) (cb, &s, t2h_addr(cb, &s, arg4), | |
1161 | (char *) &buf, sizeof(buf)) != sizeof(buf)) | |
1162 | { | |
1163 | result = -1; | |
1164 | errcode = EINVAL; | |
1165 | } | |
1166 | } | |
1167 | break; | |
1168 | ||
1169 | case __NR_getdents: | |
1170 | { | |
1171 | struct dirent dir; | |
1172 | ||
1173 | result = getdents(arg1, &dir, arg3); | |
1174 | errcode = errno; | |
1175 | ||
1176 | if (result != 0) | |
1177 | break; | |
1178 | ||
1179 | dir.d_ino = conv_endian(dir.d_ino); | |
1180 | dir.d_off = conv_endian(dir.d_off); | |
1181 | dir.d_reclen = conv_endian16(dir.d_reclen); | |
1182 | if ((s.write_mem) (cb, &s, arg2, (char *) &dir, sizeof(dir)) | |
1183 | != sizeof(dir)) | |
1184 | { | |
1185 | result = -1; | |
1186 | errcode = EINVAL; | |
1187 | } | |
1188 | } | |
1189 | break; | |
1190 | #endif | |
1191 | ||
1192 | case __NR_flock: | |
1193 | result = flock(arg1, arg2); | |
1194 | errcode = errno; | |
1195 | break; | |
1196 | ||
1197 | case __NR_msync: | |
1198 | result = msync((void *) arg1, arg2, arg3); | |
1199 | errcode = errno; | |
1200 | break; | |
1201 | ||
1202 | case __NR_readv: | |
1203 | { | |
1204 | struct iovec vector; | |
1205 | ||
1206 | vector = *((struct iovec *) t2h_addr(cb, &s, arg2)); | |
1207 | translate_endian((void *) &vector, sizeof(vector)); | |
1208 | ||
1209 | result = readv(arg1, &vector, arg3); | |
1210 | errcode = errno; | |
1211 | } | |
1212 | break; | |
1213 | ||
1214 | case __NR_writev: | |
1215 | { | |
1216 | struct iovec vector; | |
1217 | ||
1218 | vector = *((struct iovec *) t2h_addr(cb, &s, arg2)); | |
1219 | translate_endian((void *) &vector, sizeof(vector)); | |
1220 | ||
1221 | result = writev(arg1, &vector, arg3); | |
1222 | errcode = errno; | |
1223 | } | |
1224 | break; | |
1225 | ||
1226 | case __NR_fdatasync: | |
1227 | result = fdatasync(arg1); | |
1228 | errcode = errno; | |
1229 | break; | |
1230 | ||
1231 | case __NR_mlock: | |
1232 | result = mlock((void *) t2h_addr(cb, &s, arg1), arg2); | |
1233 | errcode = errno; | |
1234 | break; | |
1235 | ||
1236 | case __NR_munlock: | |
1237 | result = munlock((void *) t2h_addr(cb, &s, arg1), arg2); | |
1238 | errcode = errno; | |
1239 | break; | |
1240 | ||
1241 | case __NR_nanosleep: | |
1242 | { | |
1243 | struct timespec req, rem; | |
1244 | ||
1245 | req = *((struct timespec *) t2h_addr(cb, &s, arg2)); | |
1246 | translate_endian((void *) &req, sizeof(req)); | |
1247 | ||
1248 | result = nanosleep(&req, &rem); | |
1249 | errcode = errno; | |
1250 | ||
1251 | if (result != 0) | |
1252 | break; | |
1253 | ||
1254 | translate_endian((void *) &rem, sizeof(rem)); | |
1255 | if ((s.write_mem) (cb, &s, arg2, (char *) &rem, sizeof(rem)) | |
1256 | != sizeof(rem)) | |
1257 | { | |
1258 | result = -1; | |
1259 | errcode = EINVAL; | |
1260 | } | |
1261 | } | |
1262 | break; | |
1263 | ||
1264 | case __NR_mremap: /* FIXME */ | |
1265 | result = (int) mremap((void *) t2h_addr(cb, &s, arg1), arg2, arg3, arg4); | |
1266 | errcode = errno; | |
1267 | break; | |
1268 | ||
19e64aa9 | 1269 | case __NR_getresuid32: |
6edf0760 NC |
1270 | case __NR_getresuid: |
1271 | { | |
1272 | uid_t ruid, euid, suid; | |
1273 | ||
1274 | result = getresuid(&ruid, &euid, &suid); | |
1275 | errcode = errno; | |
1276 | ||
1277 | if (result != 0) | |
1278 | break; | |
1279 | ||
1280 | *((uid_t *) t2h_addr(cb, &s, arg1)) = conv_endian(ruid); | |
1281 | *((uid_t *) t2h_addr(cb, &s, arg2)) = conv_endian(euid); | |
1282 | *((uid_t *) t2h_addr(cb, &s, arg3)) = conv_endian(suid); | |
1283 | } | |
1284 | break; | |
1285 | ||
1286 | case __NR_poll: | |
1287 | { | |
1288 | struct pollfd ufds; | |
1289 | ||
1290 | ufds = *((struct pollfd *) t2h_addr(cb, &s, arg1)); | |
1291 | ufds.fd = conv_endian(ufds.fd); | |
1292 | ufds.events = conv_endian16(ufds.events); | |
1293 | ufds.revents = conv_endian16(ufds.revents); | |
1294 | ||
1295 | result = poll(&ufds, arg2, arg3); | |
1296 | errcode = errno; | |
1297 | } | |
1298 | break; | |
1299 | ||
19e64aa9 | 1300 | case __NR_getresgid32: |
6edf0760 NC |
1301 | case __NR_getresgid: |
1302 | { | |
1303 | uid_t rgid, egid, sgid; | |
1304 | ||
1305 | result = getresgid(&rgid, &egid, &sgid); | |
1306 | errcode = errno; | |
1307 | ||
1308 | if (result != 0) | |
1309 | break; | |
1310 | ||
1311 | *((uid_t *) t2h_addr(cb, &s, arg1)) = conv_endian(rgid); | |
1312 | *((uid_t *) t2h_addr(cb, &s, arg2)) = conv_endian(egid); | |
1313 | *((uid_t *) t2h_addr(cb, &s, arg3)) = conv_endian(sgid); | |
1314 | } | |
1315 | break; | |
1316 | ||
1317 | case __NR_pread: | |
1318 | result = pread(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4); | |
1319 | errcode = errno; | |
1320 | break; | |
1321 | ||
1322 | case __NR_pwrite: | |
1323 | result = pwrite(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4); | |
1324 | errcode = errno; | |
1325 | break; | |
1326 | ||
19e64aa9 | 1327 | case __NR_chown32: |
6edf0760 NC |
1328 | case __NR_chown: |
1329 | result = chown((char *) t2h_addr(cb, &s, arg1), arg2, arg3); | |
1330 | errcode = errno; | |
1331 | break; | |
1332 | ||
1333 | case __NR_getcwd: | |
1334 | result = (int) getcwd((char *) t2h_addr(cb, &s, arg1), arg2); | |
1335 | errcode = errno; | |
1336 | break; | |
1337 | ||
1338 | case __NR_sendfile: | |
1339 | { | |
1340 | off_t offset; | |
1341 | ||
1342 | offset = *((off_t *) t2h_addr(cb, &s, arg3)); | |
1343 | offset = conv_endian(offset); | |
1344 | ||
1345 | result = sendfile(arg1, arg2, &offset, arg3); | |
1346 | errcode = errno; | |
1347 | ||
1348 | if (result != 0) | |
1349 | break; | |
1350 | ||
1351 | *((off_t *) t2h_addr(cb, &s, arg3)) = conv_endian(offset); | |
1352 | } | |
1353 | break; | |
1354 | ||
1355 | default: | |
1356 | result = -1; | |
1357 | errcode = ENOSYS; | |
1358 | break; | |
1359 | } | |
1360 | ||
1361 | if (result == -1) | |
1362 | m32rbf_h_gr_set (current_cpu, 0, -errcode); | |
1363 | else | |
1364 | m32rbf_h_gr_set (current_cpu, 0, result); | |
1365 | break; | |
1366 | } | |
1367 | ||
1368 | case TRAP_BREAKPOINT: | |
1369 | sim_engine_halt (sd, current_cpu, NULL, pc, | |
1370 | sim_stopped, SIM_SIGTRAP); | |
1371 | break; | |
1372 | ||
1373 | case TRAP_FLUSH_CACHE: | |
1374 | /* Do nothing. */ | |
1375 | break; | |
1376 | ||
1377 | default : | |
1378 | { | |
1379 | /* Use cr5 as EVB (EIT Vector Base) register. */ | |
1380 | USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4; | |
1381 | return new_pc; | |
1382 | } | |
1383 | } | |
1384 | ||
1385 | /* Fake an "rte" insn. */ | |
1386 | /* FIXME: Should duplicate all of rte processing. */ | |
1387 | return (pc & -4) + 4; | |
1388 | } |