Commit | Line | Data |
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6edf0760 | 1 | /* m32r exception, interrupt, and trap (EIT) support |
b811d2c2 | 2 | Copyright (C) 1998-2020 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" | |
61a0c964 | 21 | #include "sim-syscall.h" |
6edf0760 NC |
22 | #include "syscall.h" |
23 | #include "targ-vals.h" | |
24 | #include <dirent.h> | |
25 | #include <errno.h> | |
26 | #include <fcntl.h> | |
27 | #include <time.h> | |
28 | #include <unistd.h> | |
29 | #include <utime.h> | |
30 | #include <sys/mman.h> | |
31 | #include <sys/poll.h> | |
32 | #include <sys/resource.h> | |
33 | #include <sys/sysinfo.h> | |
34 | #include <sys/stat.h> | |
35 | #include <sys/time.h> | |
36 | #include <sys/timeb.h> | |
37 | #include <sys/timex.h> | |
38 | #include <sys/types.h> | |
39 | #include <sys/uio.h> | |
40 | #include <sys/utsname.h> | |
41 | #include <sys/vfs.h> | |
6edf0760 NC |
42 | #include <linux/sysctl.h> |
43 | #include <linux/types.h> | |
44 | #include <linux/unistd.h> | |
45 | ||
46 | #define TRAP_ELF_SYSCALL 0 | |
47 | #define TRAP_LINUX_SYSCALL 2 | |
48 | #define TRAP_FLUSH_CACHE 12 | |
49 | ||
50 | /* The semantic code invokes this for invalid (unrecognized) instructions. */ | |
51 | ||
52 | SEM_PC | |
53 | sim_engine_invalid_insn (SIM_CPU *current_cpu, IADDR cia, SEM_PC vpc) | |
54 | { | |
55 | SIM_DESC sd = CPU_STATE (current_cpu); | |
56 | ||
57 | #if 0 | |
58 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
59 | { | |
60 | h_bsm_set (current_cpu, h_sm_get (current_cpu)); | |
61 | h_bie_set (current_cpu, h_ie_get (current_cpu)); | |
62 | h_bcond_set (current_cpu, h_cond_get (current_cpu)); | |
63 | /* sm not changed */ | |
64 | h_ie_set (current_cpu, 0); | |
65 | h_cond_set (current_cpu, 0); | |
66 | ||
67 | h_bpc_set (current_cpu, cia); | |
68 | ||
69 | sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, | |
70 | EIT_RSVD_INSN_ADDR); | |
71 | } | |
72 | else | |
73 | #endif | |
74 | sim_engine_halt (sd, current_cpu, NULL, cia, sim_stopped, SIM_SIGILL); | |
75 | return vpc; | |
76 | } | |
77 | ||
78 | /* Process an address exception. */ | |
79 | ||
80 | void | |
81 | m32r_core_signal (SIM_DESC sd, SIM_CPU *current_cpu, sim_cia cia, | |
82 | unsigned int map, int nr_bytes, address_word addr, | |
83 | transfer_type transfer, sim_core_signals sig) | |
84 | { | |
85 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
86 | { | |
87 | m32rbf_h_cr_set (current_cpu, H_CR_BBPC, | |
88 | m32rbf_h_cr_get (current_cpu, H_CR_BPC)); | |
89 | if (MACH_NUM (CPU_MACH (current_cpu)) == MACH_M32R) | |
90 | { | |
91 | m32rbf_h_bpsw_set (current_cpu, m32rbf_h_psw_get (current_cpu)); | |
92 | /* sm not changed */ | |
93 | m32rbf_h_psw_set (current_cpu, m32rbf_h_psw_get (current_cpu) & 0x80); | |
94 | } | |
95 | else if (MACH_NUM (CPU_MACH (current_cpu)) == MACH_M32RX) | |
96 | { | |
97 | m32rxf_h_bpsw_set (current_cpu, m32rxf_h_psw_get (current_cpu)); | |
98 | /* sm not changed */ | |
99 | m32rxf_h_psw_set (current_cpu, m32rxf_h_psw_get (current_cpu) & 0x80); | |
100 | } | |
101 | else | |
102 | { | |
103 | m32r2f_h_bpsw_set (current_cpu, m32r2f_h_psw_get (current_cpu)); | |
104 | /* sm not changed */ | |
105 | m32r2f_h_psw_set (current_cpu, m32r2f_h_psw_get (current_cpu) & 0x80); | |
106 | } | |
107 | m32rbf_h_cr_set (current_cpu, H_CR_BPC, cia); | |
108 | ||
109 | sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, | |
110 | EIT_ADDR_EXCP_ADDR); | |
111 | } | |
112 | else | |
113 | sim_core_signal (sd, current_cpu, cia, map, nr_bytes, addr, | |
114 | transfer, sig); | |
115 | } | |
116 | \f | |
6edf0760 NC |
117 | /* Translate target's address to host's address. */ |
118 | ||
119 | static void * | |
120 | t2h_addr (host_callback *cb, struct cb_syscall *sc, | |
121 | unsigned long taddr) | |
122 | { | |
6edf0760 NC |
123 | void *addr; |
124 | SIM_DESC sd = (SIM_DESC) sc->p1; | |
125 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
126 | ||
127 | if (taddr == 0) | |
128 | return NULL; | |
129 | ||
130 | return sim_core_trans_addr (sd, cpu, read_map, taddr); | |
131 | } | |
132 | ||
133 | static unsigned int | |
134 | conv_endian (unsigned int tvalue) | |
135 | { | |
136 | unsigned int hvalue; | |
137 | unsigned int t1, t2, t3, t4; | |
138 | ||
0cb8d851 | 139 | if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE) |
6edf0760 NC |
140 | { |
141 | t1 = tvalue & 0xff000000; | |
142 | t2 = tvalue & 0x00ff0000; | |
143 | t3 = tvalue & 0x0000ff00; | |
144 | t4 = tvalue & 0x000000ff; | |
145 | ||
146 | hvalue = t1 >> 24; | |
147 | hvalue += t2 >> 8; | |
148 | hvalue += t3 << 8; | |
149 | hvalue += t4 << 24; | |
150 | } | |
151 | else | |
152 | hvalue = tvalue; | |
153 | ||
154 | return hvalue; | |
155 | } | |
156 | ||
157 | static unsigned short | |
158 | conv_endian16 (unsigned short tvalue) | |
159 | { | |
160 | unsigned short hvalue; | |
161 | unsigned short t1, t2; | |
162 | ||
0cb8d851 | 163 | if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE) |
6edf0760 NC |
164 | { |
165 | t1 = tvalue & 0xff00; | |
166 | t2 = tvalue & 0x00ff; | |
167 | ||
168 | hvalue = t1 >> 8; | |
169 | hvalue += t2 << 8; | |
170 | } | |
171 | else | |
172 | hvalue = tvalue; | |
173 | ||
174 | return hvalue; | |
175 | } | |
176 | ||
177 | static void | |
178 | translate_endian(void *addr, size_t size) | |
179 | { | |
180 | unsigned int *p = (unsigned int *) addr; | |
181 | int i; | |
182 | ||
183 | for (i = 0; i <= size - 4; i += 4,p++) | |
184 | *p = conv_endian(*p); | |
185 | ||
186 | if (i <= size - 2) | |
187 | *((unsigned short *) p) = conv_endian16(*((unsigned short *) p)); | |
188 | } | |
189 | ||
190 | /* Trap support. | |
191 | The result is the pc address to continue at. | |
192 | Preprocessing like saving the various registers has already been done. */ | |
193 | ||
194 | USI | |
195 | m32r_trap (SIM_CPU *current_cpu, PCADDR pc, int num) | |
196 | { | |
197 | SIM_DESC sd = CPU_STATE (current_cpu); | |
198 | host_callback *cb = STATE_CALLBACK (sd); | |
199 | ||
6edf0760 NC |
200 | switch (num) |
201 | { | |
202 | case TRAP_ELF_SYSCALL : | |
203 | { | |
7d5c6c43 MF |
204 | long result, result2; |
205 | int errcode; | |
206 | ||
207 | sim_syscall_multi (current_cpu, | |
208 | m32rbf_h_gr_get (current_cpu, 0), | |
209 | m32rbf_h_gr_get (current_cpu, 1), | |
210 | m32rbf_h_gr_get (current_cpu, 2), | |
211 | m32rbf_h_gr_get (current_cpu, 3), | |
212 | m32rbf_h_gr_get (current_cpu, 4), | |
213 | &result, &result2, &errcode); | |
214 | ||
215 | m32rbf_h_gr_set (current_cpu, 2, errcode); | |
216 | m32rbf_h_gr_set (current_cpu, 0, result); | |
217 | m32rbf_h_gr_set (current_cpu, 1, result2); | |
218 | break; | |
6edf0760 NC |
219 | } |
220 | ||
221 | case TRAP_LINUX_SYSCALL : | |
222 | { | |
223 | CB_SYSCALL s; | |
224 | unsigned int func, arg1, arg2, arg3, arg4, arg5, arg6, arg7; | |
225 | int result, result2, errcode; | |
226 | ||
227 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
228 | { | |
229 | /* The new pc is the trap vector entry. | |
230 | We assume there's a branch there to some handler. | |
231 | Use cr5 as EVB (EIT Vector Base) register. */ | |
232 | USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4; | |
233 | return new_pc; | |
234 | } | |
235 | ||
236 | func = m32rbf_h_gr_get (current_cpu, 7); | |
237 | arg1 = m32rbf_h_gr_get (current_cpu, 0); | |
238 | arg2 = m32rbf_h_gr_get (current_cpu, 1); | |
239 | arg3 = m32rbf_h_gr_get (current_cpu, 2); | |
240 | arg4 = m32rbf_h_gr_get (current_cpu, 3); | |
241 | arg5 = m32rbf_h_gr_get (current_cpu, 4); | |
242 | arg6 = m32rbf_h_gr_get (current_cpu, 5); | |
243 | arg7 = m32rbf_h_gr_get (current_cpu, 6); | |
244 | ||
245 | CB_SYSCALL_INIT (&s); | |
246 | s.func = func; | |
247 | s.arg1 = arg1; | |
248 | s.arg2 = arg2; | |
249 | s.arg3 = arg3; | |
250 | ||
251 | s.p1 = (PTR) sd; | |
252 | s.p2 = (PTR) current_cpu; | |
61a0c964 MF |
253 | s.read_mem = sim_syscall_read_mem; |
254 | s.write_mem = sim_syscall_write_mem; | |
6edf0760 NC |
255 | |
256 | result = 0; | |
257 | result2 = 0; | |
258 | errcode = 0; | |
259 | ||
260 | switch (func) | |
261 | { | |
262 | case __NR_exit: | |
263 | sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, arg1); | |
264 | break; | |
265 | ||
266 | case __NR_read: | |
267 | result = read(arg1, t2h_addr(cb, &s, arg2), arg3); | |
268 | errcode = errno; | |
269 | break; | |
270 | ||
271 | case __NR_write: | |
272 | result = write(arg1, t2h_addr(cb, &s, arg2), arg3); | |
273 | errcode = errno; | |
274 | break; | |
275 | ||
276 | case __NR_open: | |
277 | result = open((char *) t2h_addr(cb, &s, arg1), arg2, arg3); | |
278 | errcode = errno; | |
279 | break; | |
280 | ||
281 | case __NR_close: | |
282 | result = close(arg1); | |
283 | errcode = errno; | |
284 | break; | |
285 | ||
286 | case __NR_creat: | |
287 | result = creat((char *) t2h_addr(cb, &s, arg1), arg2); | |
288 | errcode = errno; | |
289 | break; | |
290 | ||
291 | case __NR_link: | |
292 | result = link((char *) t2h_addr(cb, &s, arg1), | |
293 | (char *) t2h_addr(cb, &s, arg2)); | |
294 | errcode = errno; | |
295 | break; | |
296 | ||
297 | case __NR_unlink: | |
298 | result = unlink((char *) t2h_addr(cb, &s, arg1)); | |
299 | errcode = errno; | |
300 | break; | |
301 | ||
302 | case __NR_chdir: | |
303 | result = chdir((char *) t2h_addr(cb, &s, arg1)); | |
304 | errcode = errno; | |
305 | break; | |
306 | ||
307 | case __NR_time: | |
308 | { | |
309 | time_t t; | |
310 | ||
311 | if (arg1 == 0) | |
312 | { | |
313 | result = (int) time(NULL); | |
314 | errcode = errno; | |
315 | } | |
316 | else | |
317 | { | |
318 | result = (int) time(&t); | |
319 | errcode = errno; | |
320 | ||
321 | if (result != 0) | |
322 | break; | |
323 | ||
324 | translate_endian((void *) &t, sizeof(t)); | |
325 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) != sizeof(t)) | |
326 | { | |
327 | result = -1; | |
328 | errcode = EINVAL; | |
329 | } | |
330 | } | |
331 | } | |
332 | break; | |
333 | ||
334 | case __NR_mknod: | |
335 | result = mknod((char *) t2h_addr(cb, &s, arg1), | |
336 | (mode_t) arg2, (dev_t) arg3); | |
337 | errcode = errno; | |
338 | break; | |
339 | ||
340 | case __NR_chmod: | |
341 | result = chmod((char *) t2h_addr(cb, &s, arg1), (mode_t) arg2); | |
342 | errcode = errno; | |
343 | break; | |
344 | ||
19e64aa9 | 345 | case __NR_lchown32: |
6edf0760 NC |
346 | case __NR_lchown: |
347 | result = lchown((char *) t2h_addr(cb, &s, arg1), | |
348 | (uid_t) arg2, (gid_t) arg3); | |
349 | errcode = errno; | |
350 | break; | |
351 | ||
352 | case __NR_lseek: | |
353 | result = (int) lseek(arg1, (off_t) arg2, arg3); | |
354 | errcode = errno; | |
355 | break; | |
356 | ||
357 | case __NR_getpid: | |
358 | result = getpid(); | |
359 | errcode = errno; | |
360 | break; | |
361 | ||
19e64aa9 | 362 | case __NR_getuid32: |
6edf0760 NC |
363 | case __NR_getuid: |
364 | result = getuid(); | |
365 | errcode = errno; | |
366 | break; | |
367 | ||
368 | case __NR_utime: | |
369 | { | |
370 | struct utimbuf buf; | |
371 | ||
372 | if (arg2 == 0) | |
373 | { | |
374 | result = utime((char *) t2h_addr(cb, &s, arg1), NULL); | |
375 | errcode = errno; | |
376 | } | |
377 | else | |
378 | { | |
379 | buf = *((struct utimbuf *) t2h_addr(cb, &s, arg2)); | |
380 | translate_endian((void *) &buf, sizeof(buf)); | |
381 | result = utime((char *) t2h_addr(cb, &s, arg1), &buf); | |
382 | errcode = errno; | |
383 | } | |
384 | } | |
385 | break; | |
386 | ||
387 | case __NR_access: | |
388 | result = access((char *) t2h_addr(cb, &s, arg1), arg2); | |
389 | errcode = errno; | |
390 | break; | |
391 | ||
392 | case __NR_ftime: | |
393 | { | |
394 | struct timeb t; | |
395 | ||
396 | result = ftime(&t); | |
397 | errcode = errno; | |
398 | ||
399 | if (result != 0) | |
400 | break; | |
401 | ||
402 | t.time = conv_endian(t.time); | |
403 | t.millitm = conv_endian16(t.millitm); | |
404 | t.timezone = conv_endian16(t.timezone); | |
405 | t.dstflag = conv_endian16(t.dstflag); | |
406 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) | |
407 | != sizeof(t)) | |
408 | { | |
409 | result = -1; | |
410 | errcode = EINVAL; | |
411 | } | |
412 | } | |
413 | ||
414 | case __NR_sync: | |
415 | sync(); | |
416 | result = 0; | |
417 | break; | |
418 | ||
419 | case __NR_rename: | |
420 | result = rename((char *) t2h_addr(cb, &s, arg1), | |
421 | (char *) t2h_addr(cb, &s, arg2)); | |
422 | errcode = errno; | |
423 | break; | |
424 | ||
425 | case __NR_mkdir: | |
426 | result = mkdir((char *) t2h_addr(cb, &s, arg1), arg2); | |
427 | errcode = errno; | |
428 | break; | |
429 | ||
430 | case __NR_rmdir: | |
431 | result = rmdir((char *) t2h_addr(cb, &s, arg1)); | |
432 | errcode = errno; | |
433 | break; | |
434 | ||
435 | case __NR_dup: | |
436 | result = dup(arg1); | |
437 | errcode = errno; | |
438 | break; | |
439 | ||
440 | case __NR_brk: | |
441 | result = brk((void *) arg1); | |
442 | errcode = errno; | |
443 | //result = arg1; | |
444 | break; | |
445 | ||
19e64aa9 | 446 | case __NR_getgid32: |
6edf0760 NC |
447 | case __NR_getgid: |
448 | result = getgid(); | |
449 | errcode = errno; | |
450 | break; | |
451 | ||
19e64aa9 | 452 | case __NR_geteuid32: |
6edf0760 NC |
453 | case __NR_geteuid: |
454 | result = geteuid(); | |
455 | errcode = errno; | |
456 | break; | |
457 | ||
19e64aa9 | 458 | case __NR_getegid32: |
6edf0760 NC |
459 | case __NR_getegid: |
460 | result = getegid(); | |
461 | errcode = errno; | |
462 | break; | |
463 | ||
464 | case __NR_ioctl: | |
465 | result = ioctl(arg1, arg2, arg3); | |
466 | errcode = errno; | |
467 | break; | |
468 | ||
469 | case __NR_fcntl: | |
470 | result = fcntl(arg1, arg2, arg3); | |
471 | errcode = errno; | |
472 | break; | |
473 | ||
6edf0760 NC |
474 | case __NR_dup2: |
475 | result = dup2(arg1, arg2); | |
476 | errcode = errno; | |
477 | break; | |
478 | ||
479 | case __NR_getppid: | |
480 | result = getppid(); | |
481 | errcode = errno; | |
482 | break; | |
483 | ||
484 | case __NR_getpgrp: | |
485 | result = getpgrp(); | |
486 | errcode = errno; | |
487 | break; | |
488 | ||
489 | case __NR_getrlimit: | |
490 | { | |
491 | struct rlimit rlim; | |
492 | ||
493 | result = getrlimit(arg1, &rlim); | |
494 | errcode = errno; | |
495 | ||
496 | if (result != 0) | |
497 | break; | |
498 | ||
499 | translate_endian((void *) &rlim, sizeof(rlim)); | |
500 | if ((s.write_mem) (cb, &s, arg2, (char *) &rlim, sizeof(rlim)) | |
501 | != sizeof(rlim)) | |
502 | { | |
503 | result = -1; | |
504 | errcode = EINVAL; | |
505 | } | |
506 | } | |
507 | break; | |
508 | ||
509 | case __NR_getrusage: | |
510 | { | |
511 | struct rusage usage; | |
512 | ||
513 | result = getrusage(arg1, &usage); | |
514 | errcode = errno; | |
515 | ||
516 | if (result != 0) | |
517 | break; | |
518 | ||
519 | translate_endian((void *) &usage, sizeof(usage)); | |
520 | if ((s.write_mem) (cb, &s, arg2, (char *) &usage, sizeof(usage)) | |
521 | != sizeof(usage)) | |
522 | { | |
523 | result = -1; | |
524 | errcode = EINVAL; | |
525 | } | |
526 | } | |
527 | break; | |
528 | ||
529 | case __NR_gettimeofday: | |
530 | { | |
531 | struct timeval tv; | |
532 | struct timezone tz; | |
533 | ||
534 | result = gettimeofday(&tv, &tz); | |
535 | errcode = errno; | |
536 | ||
537 | if (result != 0) | |
538 | break; | |
539 | ||
540 | translate_endian((void *) &tv, sizeof(tv)); | |
541 | if ((s.write_mem) (cb, &s, arg1, (char *) &tv, sizeof(tv)) | |
542 | != sizeof(tv)) | |
543 | { | |
544 | result = -1; | |
545 | errcode = EINVAL; | |
546 | } | |
547 | ||
548 | translate_endian((void *) &tz, sizeof(tz)); | |
549 | if ((s.write_mem) (cb, &s, arg2, (char *) &tz, sizeof(tz)) | |
550 | != sizeof(tz)) | |
551 | { | |
552 | result = -1; | |
553 | errcode = EINVAL; | |
554 | } | |
555 | } | |
556 | break; | |
557 | ||
19e64aa9 | 558 | case __NR_getgroups32: |
6edf0760 NC |
559 | case __NR_getgroups: |
560 | { | |
561 | gid_t *list; | |
562 | ||
563 | if (arg1 > 0) | |
564 | list = (gid_t *) malloc(arg1 * sizeof(gid_t)); | |
565 | ||
566 | result = getgroups(arg1, list); | |
567 | errcode = errno; | |
568 | ||
569 | if (result != 0) | |
570 | break; | |
571 | ||
572 | translate_endian((void *) list, arg1 * sizeof(gid_t)); | |
573 | if (arg1 > 0) | |
574 | if ((s.write_mem) (cb, &s, arg2, (char *) list, arg1 * sizeof(gid_t)) | |
575 | != arg1 * sizeof(gid_t)) | |
576 | { | |
577 | result = -1; | |
578 | errcode = EINVAL; | |
579 | } | |
580 | } | |
581 | break; | |
582 | ||
583 | case __NR_select: | |
584 | { | |
585 | int n; | |
586 | fd_set readfds; | |
587 | fd_set *treadfdsp; | |
588 | fd_set *hreadfdsp; | |
589 | fd_set writefds; | |
590 | fd_set *twritefdsp; | |
591 | fd_set *hwritefdsp; | |
592 | fd_set exceptfds; | |
593 | fd_set *texceptfdsp; | |
594 | fd_set *hexceptfdsp; | |
595 | struct timeval *ttimeoutp; | |
596 | struct timeval timeout; | |
597 | ||
598 | n = arg1; | |
599 | ||
600 | treadfdsp = (fd_set *) arg2; | |
601 | if (treadfdsp != NULL) | |
602 | { | |
603 | readfds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) treadfdsp)); | |
604 | translate_endian((void *) &readfds, sizeof(readfds)); | |
605 | hreadfdsp = &readfds; | |
606 | } | |
607 | else | |
608 | hreadfdsp = NULL; | |
609 | ||
610 | twritefdsp = (fd_set *) arg3; | |
611 | if (twritefdsp != NULL) | |
612 | { | |
613 | writefds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) twritefdsp)); | |
614 | translate_endian((void *) &writefds, sizeof(writefds)); | |
615 | hwritefdsp = &writefds; | |
616 | } | |
617 | else | |
618 | hwritefdsp = NULL; | |
619 | ||
620 | texceptfdsp = (fd_set *) arg4; | |
621 | if (texceptfdsp != NULL) | |
622 | { | |
623 | exceptfds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) texceptfdsp)); | |
624 | translate_endian((void *) &exceptfds, sizeof(exceptfds)); | |
625 | hexceptfdsp = &exceptfds; | |
626 | } | |
627 | else | |
628 | hexceptfdsp = NULL; | |
629 | ||
630 | ttimeoutp = (struct timeval *) arg5; | |
631 | timeout = *((struct timeval *) t2h_addr(cb, &s, (unsigned int) ttimeoutp)); | |
632 | translate_endian((void *) &timeout, sizeof(timeout)); | |
633 | ||
634 | result = select(n, hreadfdsp, hwritefdsp, hexceptfdsp, &timeout); | |
635 | errcode = errno; | |
636 | ||
637 | if (result != 0) | |
638 | break; | |
639 | ||
640 | if (treadfdsp != NULL) | |
641 | { | |
642 | translate_endian((void *) &readfds, sizeof(readfds)); | |
643 | if ((s.write_mem) (cb, &s, (unsigned long) treadfdsp, | |
644 | (char *) &readfds, sizeof(readfds)) != sizeof(readfds)) | |
645 | { | |
646 | result = -1; | |
647 | errcode = EINVAL; | |
648 | } | |
649 | } | |
650 | ||
651 | if (twritefdsp != NULL) | |
652 | { | |
653 | translate_endian((void *) &writefds, sizeof(writefds)); | |
654 | if ((s.write_mem) (cb, &s, (unsigned long) twritefdsp, | |
655 | (char *) &writefds, sizeof(writefds)) != sizeof(writefds)) | |
656 | { | |
657 | result = -1; | |
658 | errcode = EINVAL; | |
659 | } | |
660 | } | |
661 | ||
662 | if (texceptfdsp != NULL) | |
663 | { | |
664 | translate_endian((void *) &exceptfds, sizeof(exceptfds)); | |
665 | if ((s.write_mem) (cb, &s, (unsigned long) texceptfdsp, | |
666 | (char *) &exceptfds, sizeof(exceptfds)) != sizeof(exceptfds)) | |
667 | { | |
668 | result = -1; | |
669 | errcode = EINVAL; | |
670 | } | |
671 | } | |
672 | ||
673 | translate_endian((void *) &timeout, sizeof(timeout)); | |
674 | if ((s.write_mem) (cb, &s, (unsigned long) ttimeoutp, | |
675 | (char *) &timeout, sizeof(timeout)) != sizeof(timeout)) | |
676 | { | |
677 | result = -1; | |
678 | errcode = EINVAL; | |
679 | } | |
680 | } | |
681 | break; | |
682 | ||
683 | case __NR_symlink: | |
684 | result = symlink((char *) t2h_addr(cb, &s, arg1), | |
685 | (char *) t2h_addr(cb, &s, arg2)); | |
686 | errcode = errno; | |
687 | break; | |
688 | ||
689 | case __NR_readlink: | |
690 | result = readlink((char *) t2h_addr(cb, &s, arg1), | |
691 | (char *) t2h_addr(cb, &s, arg2), | |
692 | arg3); | |
693 | errcode = errno; | |
694 | break; | |
695 | ||
696 | case __NR_readdir: | |
697 | result = (int) readdir((DIR *) t2h_addr(cb, &s, arg1)); | |
698 | errcode = errno; | |
699 | break; | |
700 | ||
701 | #if 0 | |
702 | case __NR_mmap: | |
703 | { | |
704 | result = (int) mmap((void *) t2h_addr(cb, &s, arg1), | |
705 | arg2, arg3, arg4, arg5, arg6); | |
706 | errcode = errno; | |
707 | ||
708 | if (errno == 0) | |
709 | { | |
710 | sim_core_attach (sd, NULL, | |
711 | 0, access_read_write_exec, 0, | |
712 | result, arg2, 0, NULL, NULL); | |
713 | } | |
714 | } | |
715 | break; | |
716 | #endif | |
19e64aa9 KI |
717 | case __NR_mmap2: |
718 | { | |
719 | void *addr; | |
720 | size_t len; | |
721 | int prot, flags, fildes; | |
722 | off_t off; | |
723 | ||
724 | addr = (void *) t2h_addr(cb, &s, arg1); | |
725 | len = arg2; | |
726 | prot = arg3; | |
727 | flags = arg4; | |
728 | fildes = arg5; | |
729 | off = arg6 << 12; | |
730 | ||
731 | result = (int) mmap(addr, len, prot, flags, fildes, off); | |
732 | errcode = errno; | |
733 | if (result != -1) | |
734 | { | |
735 | char c; | |
736 | if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0) | |
737 | sim_core_attach (sd, NULL, | |
738 | 0, access_read_write_exec, 0, | |
739 | result, len, 0, NULL, NULL); | |
740 | } | |
741 | } | |
742 | break; | |
743 | ||
6edf0760 NC |
744 | case __NR_mmap: |
745 | { | |
746 | void *addr; | |
747 | size_t len; | |
748 | int prot, flags, fildes; | |
749 | off_t off; | |
750 | ||
751 | addr = *((void **) t2h_addr(cb, &s, arg1)); | |
752 | len = *((size_t *) t2h_addr(cb, &s, arg1 + 4)); | |
753 | prot = *((int *) t2h_addr(cb, &s, arg1 + 8)); | |
754 | flags = *((int *) t2h_addr(cb, &s, arg1 + 12)); | |
755 | fildes = *((int *) t2h_addr(cb, &s, arg1 + 16)); | |
756 | off = *((off_t *) t2h_addr(cb, &s, arg1 + 20)); | |
757 | ||
758 | addr = (void *) conv_endian((unsigned int) addr); | |
759 | len = conv_endian(len); | |
760 | prot = conv_endian(prot); | |
761 | flags = conv_endian(flags); | |
762 | fildes = conv_endian(fildes); | |
763 | off = conv_endian(off); | |
764 | ||
765 | //addr = (void *) t2h_addr(cb, &s, (unsigned int) addr); | |
766 | result = (int) mmap(addr, len, prot, flags, fildes, off); | |
767 | errcode = errno; | |
768 | ||
769 | //if (errno == 0) | |
770 | if (result != -1) | |
771 | { | |
772 | char c; | |
773 | if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0) | |
774 | sim_core_attach (sd, NULL, | |
775 | 0, access_read_write_exec, 0, | |
776 | result, len, 0, NULL, NULL); | |
777 | } | |
778 | } | |
779 | break; | |
780 | ||
781 | case __NR_munmap: | |
782 | { | |
783 | result = munmap((void *)arg1, arg2); | |
784 | errcode = errno; | |
785 | if (result != -1) | |
786 | { | |
787 | sim_core_detach (sd, NULL, 0, arg2, result); | |
788 | } | |
789 | } | |
790 | break; | |
791 | ||
792 | case __NR_truncate: | |
793 | result = truncate((char *) t2h_addr(cb, &s, arg1), arg2); | |
794 | errcode = errno; | |
795 | break; | |
796 | ||
797 | case __NR_ftruncate: | |
798 | result = ftruncate(arg1, arg2); | |
799 | errcode = errno; | |
800 | break; | |
801 | ||
802 | case __NR_fchmod: | |
803 | result = fchmod(arg1, arg2); | |
804 | errcode = errno; | |
805 | break; | |
806 | ||
19e64aa9 | 807 | case __NR_fchown32: |
6edf0760 NC |
808 | case __NR_fchown: |
809 | result = fchown(arg1, arg2, arg3); | |
810 | errcode = errno; | |
811 | break; | |
812 | ||
813 | case __NR_statfs: | |
814 | { | |
815 | struct statfs statbuf; | |
816 | ||
817 | result = statfs((char *) t2h_addr(cb, &s, arg1), &statbuf); | |
818 | errcode = errno; | |
819 | ||
820 | if (result != 0) | |
821 | break; | |
822 | ||
823 | translate_endian((void *) &statbuf, sizeof(statbuf)); | |
824 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
825 | != sizeof(statbuf)) | |
826 | { | |
827 | result = -1; | |
828 | errcode = EINVAL; | |
829 | } | |
830 | } | |
831 | break; | |
832 | ||
833 | case __NR_fstatfs: | |
834 | { | |
835 | struct statfs statbuf; | |
836 | ||
837 | result = fstatfs(arg1, &statbuf); | |
838 | errcode = errno; | |
839 | ||
840 | if (result != 0) | |
841 | break; | |
842 | ||
843 | translate_endian((void *) &statbuf, sizeof(statbuf)); | |
844 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
845 | != sizeof(statbuf)) | |
846 | { | |
847 | result = -1; | |
848 | errcode = EINVAL; | |
849 | } | |
850 | } | |
851 | break; | |
852 | ||
853 | case __NR_syslog: | |
854 | result = syslog(arg1, (char *) t2h_addr(cb, &s, arg2)); | |
855 | errcode = errno; | |
856 | break; | |
857 | ||
858 | case __NR_setitimer: | |
859 | { | |
860 | struct itimerval value, ovalue; | |
861 | ||
862 | value = *((struct itimerval *) t2h_addr(cb, &s, arg2)); | |
863 | translate_endian((void *) &value, sizeof(value)); | |
864 | ||
865 | if (arg2 == 0) | |
866 | { | |
867 | result = setitimer(arg1, &value, NULL); | |
868 | errcode = errno; | |
869 | } | |
870 | else | |
871 | { | |
872 | result = setitimer(arg1, &value, &ovalue); | |
873 | errcode = errno; | |
874 | ||
875 | if (result != 0) | |
876 | break; | |
877 | ||
878 | translate_endian((void *) &ovalue, sizeof(ovalue)); | |
879 | if ((s.write_mem) (cb, &s, arg3, (char *) &ovalue, sizeof(ovalue)) | |
880 | != sizeof(ovalue)) | |
881 | { | |
882 | result = -1; | |
883 | errcode = EINVAL; | |
884 | } | |
885 | } | |
886 | } | |
887 | break; | |
888 | ||
889 | case __NR_getitimer: | |
890 | { | |
891 | struct itimerval value; | |
892 | ||
893 | result = getitimer(arg1, &value); | |
894 | errcode = errno; | |
895 | ||
896 | if (result != 0) | |
897 | break; | |
898 | ||
899 | translate_endian((void *) &value, sizeof(value)); | |
900 | if ((s.write_mem) (cb, &s, arg2, (char *) &value, sizeof(value)) | |
901 | != sizeof(value)) | |
902 | { | |
903 | result = -1; | |
904 | errcode = EINVAL; | |
905 | } | |
906 | } | |
907 | break; | |
908 | ||
909 | case __NR_stat: | |
910 | { | |
911 | char *buf; | |
912 | int buflen; | |
913 | struct stat statbuf; | |
914 | ||
915 | result = stat((char *) t2h_addr(cb, &s, arg1), &statbuf); | |
916 | errcode = errno; | |
917 | if (result < 0) | |
918 | break; | |
919 | ||
920 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
921 | buf = xmalloc (buflen); | |
922 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
923 | { | |
924 | /* The translation failed. This is due to an internal | |
925 | host program error, not the target's fault. */ | |
926 | free (buf); | |
927 | result = -1; | |
928 | errcode = ENOSYS; | |
929 | break; | |
930 | } | |
931 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
932 | { | |
933 | free (buf); | |
934 | result = -1; | |
935 | errcode = EINVAL; | |
936 | break; | |
937 | } | |
938 | free (buf); | |
939 | } | |
940 | break; | |
941 | ||
942 | case __NR_lstat: | |
943 | { | |
944 | char *buf; | |
945 | int buflen; | |
946 | struct stat statbuf; | |
947 | ||
948 | result = lstat((char *) t2h_addr(cb, &s, arg1), &statbuf); | |
949 | errcode = errno; | |
950 | if (result < 0) | |
951 | break; | |
952 | ||
953 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
954 | buf = xmalloc (buflen); | |
955 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
956 | { | |
957 | /* The translation failed. This is due to an internal | |
958 | host program error, not the target's fault. */ | |
959 | free (buf); | |
960 | result = -1; | |
961 | errcode = ENOSYS; | |
962 | break; | |
963 | } | |
964 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
965 | { | |
966 | free (buf); | |
967 | result = -1; | |
968 | errcode = EINVAL; | |
969 | break; | |
970 | } | |
971 | free (buf); | |
972 | } | |
973 | break; | |
974 | ||
975 | case __NR_fstat: | |
976 | { | |
977 | char *buf; | |
978 | int buflen; | |
979 | struct stat statbuf; | |
980 | ||
981 | result = fstat(arg1, &statbuf); | |
982 | errcode = errno; | |
983 | if (result < 0) | |
984 | break; | |
985 | ||
986 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
987 | buf = xmalloc (buflen); | |
988 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
989 | { | |
990 | /* The translation failed. This is due to an internal | |
991 | host program error, not the target's fault. */ | |
992 | free (buf); | |
993 | result = -1; | |
994 | errcode = ENOSYS; | |
995 | break; | |
996 | } | |
997 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
998 | { | |
999 | free (buf); | |
1000 | result = -1; | |
1001 | errcode = EINVAL; | |
1002 | break; | |
1003 | } | |
1004 | free (buf); | |
1005 | } | |
1006 | break; | |
1007 | ||
1008 | case __NR_sysinfo: | |
1009 | { | |
1010 | struct sysinfo info; | |
1011 | ||
1012 | result = sysinfo(&info); | |
1013 | errcode = errno; | |
1014 | ||
1015 | if (result != 0) | |
1016 | break; | |
1017 | ||
1018 | info.uptime = conv_endian(info.uptime); | |
1019 | info.loads[0] = conv_endian(info.loads[0]); | |
1020 | info.loads[1] = conv_endian(info.loads[1]); | |
1021 | info.loads[2] = conv_endian(info.loads[2]); | |
1022 | info.totalram = conv_endian(info.totalram); | |
1023 | info.freeram = conv_endian(info.freeram); | |
1024 | info.sharedram = conv_endian(info.sharedram); | |
1025 | info.bufferram = conv_endian(info.bufferram); | |
1026 | info.totalswap = conv_endian(info.totalswap); | |
1027 | info.freeswap = conv_endian(info.freeswap); | |
1028 | info.procs = conv_endian16(info.procs); | |
1029 | #if LINUX_VERSION_CODE >= 0x20400 | |
1030 | info.totalhigh = conv_endian(info.totalhigh); | |
1031 | info.freehigh = conv_endian(info.freehigh); | |
1032 | info.mem_unit = conv_endian(info.mem_unit); | |
1033 | #endif | |
1034 | if ((s.write_mem) (cb, &s, arg1, (char *) &info, sizeof(info)) | |
1035 | != sizeof(info)) | |
1036 | { | |
1037 | result = -1; | |
1038 | errcode = EINVAL; | |
1039 | } | |
1040 | } | |
1041 | break; | |
1042 | ||
1043 | #if 0 | |
1044 | case __NR_ipc: | |
1045 | { | |
1046 | result = ipc(arg1, arg2, arg3, arg4, | |
1047 | (void *) t2h_addr(cb, &s, arg5), arg6); | |
1048 | errcode = errno; | |
1049 | } | |
1050 | break; | |
1051 | #endif | |
1052 | ||
1053 | case __NR_fsync: | |
1054 | result = fsync(arg1); | |
1055 | errcode = errno; | |
1056 | break; | |
1057 | ||
1058 | case __NR_uname: | |
1059 | /* utsname contains only arrays of char, so it is not necessary | |
1060 | to translate endian. */ | |
1061 | result = uname((struct utsname *) t2h_addr(cb, &s, arg1)); | |
1062 | errcode = errno; | |
1063 | break; | |
1064 | ||
1065 | case __NR_adjtimex: | |
1066 | { | |
1067 | struct timex buf; | |
1068 | ||
1069 | result = adjtimex(&buf); | |
1070 | errcode = errno; | |
1071 | ||
1072 | if (result != 0) | |
1073 | break; | |
1074 | ||
1075 | translate_endian((void *) &buf, sizeof(buf)); | |
1076 | if ((s.write_mem) (cb, &s, arg1, (char *) &buf, sizeof(buf)) | |
1077 | != sizeof(buf)) | |
1078 | { | |
1079 | result = -1; | |
1080 | errcode = EINVAL; | |
1081 | } | |
1082 | } | |
1083 | break; | |
1084 | ||
1085 | case __NR_mprotect: | |
1086 | result = mprotect((void *) arg1, arg2, arg3); | |
1087 | errcode = errno; | |
1088 | break; | |
1089 | ||
6edf0760 NC |
1090 | case __NR_fchdir: |
1091 | result = fchdir(arg1); | |
1092 | errcode = errno; | |
1093 | break; | |
1094 | ||
19e64aa9 | 1095 | case __NR_setfsuid32: |
6edf0760 NC |
1096 | case __NR_setfsuid: |
1097 | result = setfsuid(arg1); | |
1098 | errcode = errno; | |
1099 | break; | |
1100 | ||
19e64aa9 | 1101 | case __NR_setfsgid32: |
6edf0760 NC |
1102 | case __NR_setfsgid: |
1103 | result = setfsgid(arg1); | |
1104 | errcode = errno; | |
1105 | break; | |
1106 | ||
1107 | #if 0 | |
1108 | case __NR__llseek: | |
1109 | { | |
1110 | loff_t buf; | |
1111 | ||
1112 | result = _llseek(arg1, arg2, arg3, &buf, arg5); | |
1113 | errcode = errno; | |
1114 | ||
1115 | if (result != 0) | |
1116 | break; | |
1117 | ||
1118 | translate_endian((void *) &buf, sizeof(buf)); | |
1119 | if ((s.write_mem) (cb, &s, t2h_addr(cb, &s, arg4), | |
1120 | (char *) &buf, sizeof(buf)) != sizeof(buf)) | |
1121 | { | |
1122 | result = -1; | |
1123 | errcode = EINVAL; | |
1124 | } | |
1125 | } | |
1126 | break; | |
1127 | ||
1128 | case __NR_getdents: | |
1129 | { | |
1130 | struct dirent dir; | |
1131 | ||
1132 | result = getdents(arg1, &dir, arg3); | |
1133 | errcode = errno; | |
1134 | ||
1135 | if (result != 0) | |
1136 | break; | |
1137 | ||
1138 | dir.d_ino = conv_endian(dir.d_ino); | |
1139 | dir.d_off = conv_endian(dir.d_off); | |
1140 | dir.d_reclen = conv_endian16(dir.d_reclen); | |
1141 | if ((s.write_mem) (cb, &s, arg2, (char *) &dir, sizeof(dir)) | |
1142 | != sizeof(dir)) | |
1143 | { | |
1144 | result = -1; | |
1145 | errcode = EINVAL; | |
1146 | } | |
1147 | } | |
1148 | break; | |
1149 | #endif | |
1150 | ||
1151 | case __NR_flock: | |
1152 | result = flock(arg1, arg2); | |
1153 | errcode = errno; | |
1154 | break; | |
1155 | ||
1156 | case __NR_msync: | |
1157 | result = msync((void *) arg1, arg2, arg3); | |
1158 | errcode = errno; | |
1159 | break; | |
1160 | ||
1161 | case __NR_readv: | |
1162 | { | |
1163 | struct iovec vector; | |
1164 | ||
1165 | vector = *((struct iovec *) t2h_addr(cb, &s, arg2)); | |
1166 | translate_endian((void *) &vector, sizeof(vector)); | |
1167 | ||
1168 | result = readv(arg1, &vector, arg3); | |
1169 | errcode = errno; | |
1170 | } | |
1171 | break; | |
1172 | ||
1173 | case __NR_writev: | |
1174 | { | |
1175 | struct iovec vector; | |
1176 | ||
1177 | vector = *((struct iovec *) t2h_addr(cb, &s, arg2)); | |
1178 | translate_endian((void *) &vector, sizeof(vector)); | |
1179 | ||
1180 | result = writev(arg1, &vector, arg3); | |
1181 | errcode = errno; | |
1182 | } | |
1183 | break; | |
1184 | ||
1185 | case __NR_fdatasync: | |
1186 | result = fdatasync(arg1); | |
1187 | errcode = errno; | |
1188 | break; | |
1189 | ||
1190 | case __NR_mlock: | |
1191 | result = mlock((void *) t2h_addr(cb, &s, arg1), arg2); | |
1192 | errcode = errno; | |
1193 | break; | |
1194 | ||
1195 | case __NR_munlock: | |
1196 | result = munlock((void *) t2h_addr(cb, &s, arg1), arg2); | |
1197 | errcode = errno; | |
1198 | break; | |
1199 | ||
1200 | case __NR_nanosleep: | |
1201 | { | |
1202 | struct timespec req, rem; | |
1203 | ||
1204 | req = *((struct timespec *) t2h_addr(cb, &s, arg2)); | |
1205 | translate_endian((void *) &req, sizeof(req)); | |
1206 | ||
1207 | result = nanosleep(&req, &rem); | |
1208 | errcode = errno; | |
1209 | ||
1210 | if (result != 0) | |
1211 | break; | |
1212 | ||
1213 | translate_endian((void *) &rem, sizeof(rem)); | |
1214 | if ((s.write_mem) (cb, &s, arg2, (char *) &rem, sizeof(rem)) | |
1215 | != sizeof(rem)) | |
1216 | { | |
1217 | result = -1; | |
1218 | errcode = EINVAL; | |
1219 | } | |
1220 | } | |
1221 | break; | |
1222 | ||
1223 | case __NR_mremap: /* FIXME */ | |
1224 | result = (int) mremap((void *) t2h_addr(cb, &s, arg1), arg2, arg3, arg4); | |
1225 | errcode = errno; | |
1226 | break; | |
1227 | ||
19e64aa9 | 1228 | case __NR_getresuid32: |
6edf0760 NC |
1229 | case __NR_getresuid: |
1230 | { | |
1231 | uid_t ruid, euid, suid; | |
1232 | ||
1233 | result = getresuid(&ruid, &euid, &suid); | |
1234 | errcode = errno; | |
1235 | ||
1236 | if (result != 0) | |
1237 | break; | |
1238 | ||
1239 | *((uid_t *) t2h_addr(cb, &s, arg1)) = conv_endian(ruid); | |
1240 | *((uid_t *) t2h_addr(cb, &s, arg2)) = conv_endian(euid); | |
1241 | *((uid_t *) t2h_addr(cb, &s, arg3)) = conv_endian(suid); | |
1242 | } | |
1243 | break; | |
1244 | ||
1245 | case __NR_poll: | |
1246 | { | |
1247 | struct pollfd ufds; | |
1248 | ||
1249 | ufds = *((struct pollfd *) t2h_addr(cb, &s, arg1)); | |
1250 | ufds.fd = conv_endian(ufds.fd); | |
1251 | ufds.events = conv_endian16(ufds.events); | |
1252 | ufds.revents = conv_endian16(ufds.revents); | |
1253 | ||
1254 | result = poll(&ufds, arg2, arg3); | |
1255 | errcode = errno; | |
1256 | } | |
1257 | break; | |
1258 | ||
19e64aa9 | 1259 | case __NR_getresgid32: |
6edf0760 NC |
1260 | case __NR_getresgid: |
1261 | { | |
1262 | uid_t rgid, egid, sgid; | |
1263 | ||
1264 | result = getresgid(&rgid, &egid, &sgid); | |
1265 | errcode = errno; | |
1266 | ||
1267 | if (result != 0) | |
1268 | break; | |
1269 | ||
1270 | *((uid_t *) t2h_addr(cb, &s, arg1)) = conv_endian(rgid); | |
1271 | *((uid_t *) t2h_addr(cb, &s, arg2)) = conv_endian(egid); | |
1272 | *((uid_t *) t2h_addr(cb, &s, arg3)) = conv_endian(sgid); | |
1273 | } | |
1274 | break; | |
1275 | ||
1276 | case __NR_pread: | |
1277 | result = pread(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4); | |
1278 | errcode = errno; | |
1279 | break; | |
1280 | ||
1281 | case __NR_pwrite: | |
1282 | result = pwrite(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4); | |
1283 | errcode = errno; | |
1284 | break; | |
1285 | ||
19e64aa9 | 1286 | case __NR_chown32: |
6edf0760 NC |
1287 | case __NR_chown: |
1288 | result = chown((char *) t2h_addr(cb, &s, arg1), arg2, arg3); | |
1289 | errcode = errno; | |
1290 | break; | |
1291 | ||
1292 | case __NR_getcwd: | |
1293 | result = (int) getcwd((char *) t2h_addr(cb, &s, arg1), arg2); | |
1294 | errcode = errno; | |
1295 | break; | |
1296 | ||
1297 | case __NR_sendfile: | |
1298 | { | |
1299 | off_t offset; | |
1300 | ||
1301 | offset = *((off_t *) t2h_addr(cb, &s, arg3)); | |
1302 | offset = conv_endian(offset); | |
1303 | ||
1304 | result = sendfile(arg1, arg2, &offset, arg3); | |
1305 | errcode = errno; | |
1306 | ||
1307 | if (result != 0) | |
1308 | break; | |
1309 | ||
1310 | *((off_t *) t2h_addr(cb, &s, arg3)) = conv_endian(offset); | |
1311 | } | |
1312 | break; | |
1313 | ||
1314 | default: | |
1315 | result = -1; | |
1316 | errcode = ENOSYS; | |
1317 | break; | |
1318 | } | |
1319 | ||
1320 | if (result == -1) | |
1321 | m32rbf_h_gr_set (current_cpu, 0, -errcode); | |
1322 | else | |
1323 | m32rbf_h_gr_set (current_cpu, 0, result); | |
1324 | break; | |
1325 | } | |
1326 | ||
1327 | case TRAP_BREAKPOINT: | |
1328 | sim_engine_halt (sd, current_cpu, NULL, pc, | |
1329 | sim_stopped, SIM_SIGTRAP); | |
1330 | break; | |
1331 | ||
1332 | case TRAP_FLUSH_CACHE: | |
1333 | /* Do nothing. */ | |
1334 | break; | |
1335 | ||
1336 | default : | |
1337 | { | |
1338 | /* Use cr5 as EVB (EIT Vector Base) register. */ | |
1339 | USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4; | |
1340 | return new_pc; | |
1341 | } | |
1342 | } | |
1343 | ||
1344 | /* Fake an "rte" insn. */ | |
1345 | /* FIXME: Should duplicate all of rte processing. */ | |
1346 | return (pc & -4) + 4; | |
1347 | } |