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6edf0760 NC |
1 | /* m32r exception, interrupt, and trap (EIT) support |
2 | Copyright (C) 1998, 2003 Free Software Foundation, Inc. | |
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 | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
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 | ||
17 | You should have received a copy of the GNU General Public License along | |
18 | with this program; if not, write to the Free Software Foundation, Inc., | |
19 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include "sim-main.h" | |
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 | |
117 | /* Read/write functions for system call interface. */ | |
118 | ||
119 | static int | |
120 | syscall_read_mem (host_callback *cb, struct cb_syscall *sc, | |
121 | unsigned long taddr, char *buf, int bytes) | |
122 | { | |
123 | SIM_DESC sd = (SIM_DESC) sc->p1; | |
124 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
125 | ||
126 | return sim_core_read_buffer (sd, cpu, read_map, buf, taddr, bytes); | |
127 | } | |
128 | ||
129 | static int | |
130 | syscall_write_mem (host_callback *cb, struct cb_syscall *sc, | |
131 | unsigned long taddr, const char *buf, int bytes) | |
132 | { | |
133 | SIM_DESC sd = (SIM_DESC) sc->p1; | |
134 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
135 | ||
136 | return sim_core_write_buffer (sd, cpu, write_map, buf, taddr, bytes); | |
137 | } | |
138 | ||
139 | /* Translate target's address to host's address. */ | |
140 | ||
141 | static void * | |
142 | t2h_addr (host_callback *cb, struct cb_syscall *sc, | |
143 | unsigned long taddr) | |
144 | { | |
145 | extern sim_core_trans_addr (SIM_DESC, sim_cpu *, unsigned, address_word); | |
146 | void *addr; | |
147 | SIM_DESC sd = (SIM_DESC) sc->p1; | |
148 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
149 | ||
150 | if (taddr == 0) | |
151 | return NULL; | |
152 | ||
153 | return sim_core_trans_addr (sd, cpu, read_map, taddr); | |
154 | } | |
155 | ||
156 | static unsigned int | |
157 | conv_endian (unsigned int tvalue) | |
158 | { | |
159 | unsigned int hvalue; | |
160 | unsigned int t1, t2, t3, t4; | |
161 | ||
162 | if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) | |
163 | { | |
164 | t1 = tvalue & 0xff000000; | |
165 | t2 = tvalue & 0x00ff0000; | |
166 | t3 = tvalue & 0x0000ff00; | |
167 | t4 = tvalue & 0x000000ff; | |
168 | ||
169 | hvalue = t1 >> 24; | |
170 | hvalue += t2 >> 8; | |
171 | hvalue += t3 << 8; | |
172 | hvalue += t4 << 24; | |
173 | } | |
174 | else | |
175 | hvalue = tvalue; | |
176 | ||
177 | return hvalue; | |
178 | } | |
179 | ||
180 | static unsigned short | |
181 | conv_endian16 (unsigned short tvalue) | |
182 | { | |
183 | unsigned short hvalue; | |
184 | unsigned short t1, t2; | |
185 | ||
186 | if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) | |
187 | { | |
188 | t1 = tvalue & 0xff00; | |
189 | t2 = tvalue & 0x00ff; | |
190 | ||
191 | hvalue = t1 >> 8; | |
192 | hvalue += t2 << 8; | |
193 | } | |
194 | else | |
195 | hvalue = tvalue; | |
196 | ||
197 | return hvalue; | |
198 | } | |
199 | ||
200 | static void | |
201 | translate_endian(void *addr, size_t size) | |
202 | { | |
203 | unsigned int *p = (unsigned int *) addr; | |
204 | int i; | |
205 | ||
206 | for (i = 0; i <= size - 4; i += 4,p++) | |
207 | *p = conv_endian(*p); | |
208 | ||
209 | if (i <= size - 2) | |
210 | *((unsigned short *) p) = conv_endian16(*((unsigned short *) p)); | |
211 | } | |
212 | ||
213 | /* Trap support. | |
214 | The result is the pc address to continue at. | |
215 | Preprocessing like saving the various registers has already been done. */ | |
216 | ||
217 | USI | |
218 | m32r_trap (SIM_CPU *current_cpu, PCADDR pc, int num) | |
219 | { | |
220 | SIM_DESC sd = CPU_STATE (current_cpu); | |
221 | host_callback *cb = STATE_CALLBACK (sd); | |
222 | ||
223 | #ifdef SIM_HAVE_BREAKPOINTS | |
224 | /* Check for breakpoints "owned" by the simulator first, regardless | |
225 | of --environment. */ | |
226 | if (num == TRAP_BREAKPOINT) | |
227 | { | |
228 | /* First try sim-break.c. If it's a breakpoint the simulator "owns" | |
229 | it doesn't return. Otherwise it returns and let's us try. */ | |
230 | sim_handle_breakpoint (sd, current_cpu, pc); | |
231 | /* Fall through. */ | |
232 | } | |
233 | #endif | |
234 | ||
235 | switch (num) | |
236 | { | |
237 | case TRAP_ELF_SYSCALL : | |
238 | { | |
239 | CB_SYSCALL s; | |
240 | ||
241 | CB_SYSCALL_INIT (&s); | |
242 | s.func = m32rbf_h_gr_get (current_cpu, 0); | |
243 | s.arg1 = m32rbf_h_gr_get (current_cpu, 1); | |
244 | s.arg2 = m32rbf_h_gr_get (current_cpu, 2); | |
245 | s.arg3 = m32rbf_h_gr_get (current_cpu, 3); | |
246 | ||
247 | if (s.func == TARGET_SYS_exit) | |
248 | { | |
249 | sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, s.arg1); | |
250 | } | |
251 | ||
252 | s.p1 = (PTR) sd; | |
253 | s.p2 = (PTR) current_cpu; | |
254 | s.read_mem = syscall_read_mem; | |
255 | s.write_mem = syscall_write_mem; | |
256 | cb_syscall (cb, &s); | |
257 | m32rbf_h_gr_set (current_cpu, 2, s.errcode); | |
258 | m32rbf_h_gr_set (current_cpu, 0, s.result); | |
259 | m32rbf_h_gr_set (current_cpu, 1, s.result2); | |
260 | break; | |
261 | } | |
262 | ||
263 | case TRAP_LINUX_SYSCALL : | |
264 | { | |
265 | CB_SYSCALL s; | |
266 | unsigned int func, arg1, arg2, arg3, arg4, arg5, arg6, arg7; | |
267 | int result, result2, errcode; | |
268 | ||
269 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
270 | { | |
271 | /* The new pc is the trap vector entry. | |
272 | We assume there's a branch there to some handler. | |
273 | Use cr5 as EVB (EIT Vector Base) register. */ | |
274 | USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4; | |
275 | return new_pc; | |
276 | } | |
277 | ||
278 | func = m32rbf_h_gr_get (current_cpu, 7); | |
279 | arg1 = m32rbf_h_gr_get (current_cpu, 0); | |
280 | arg2 = m32rbf_h_gr_get (current_cpu, 1); | |
281 | arg3 = m32rbf_h_gr_get (current_cpu, 2); | |
282 | arg4 = m32rbf_h_gr_get (current_cpu, 3); | |
283 | arg5 = m32rbf_h_gr_get (current_cpu, 4); | |
284 | arg6 = m32rbf_h_gr_get (current_cpu, 5); | |
285 | arg7 = m32rbf_h_gr_get (current_cpu, 6); | |
286 | ||
287 | CB_SYSCALL_INIT (&s); | |
288 | s.func = func; | |
289 | s.arg1 = arg1; | |
290 | s.arg2 = arg2; | |
291 | s.arg3 = arg3; | |
292 | ||
293 | s.p1 = (PTR) sd; | |
294 | s.p2 = (PTR) current_cpu; | |
295 | s.read_mem = syscall_read_mem; | |
296 | s.write_mem = syscall_write_mem; | |
297 | ||
298 | result = 0; | |
299 | result2 = 0; | |
300 | errcode = 0; | |
301 | ||
302 | switch (func) | |
303 | { | |
304 | case __NR_exit: | |
305 | sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, arg1); | |
306 | break; | |
307 | ||
308 | case __NR_read: | |
309 | result = read(arg1, t2h_addr(cb, &s, arg2), arg3); | |
310 | errcode = errno; | |
311 | break; | |
312 | ||
313 | case __NR_write: | |
314 | result = write(arg1, t2h_addr(cb, &s, arg2), arg3); | |
315 | errcode = errno; | |
316 | break; | |
317 | ||
318 | case __NR_open: | |
319 | result = open((char *) t2h_addr(cb, &s, arg1), arg2, arg3); | |
320 | errcode = errno; | |
321 | break; | |
322 | ||
323 | case __NR_close: | |
324 | result = close(arg1); | |
325 | errcode = errno; | |
326 | break; | |
327 | ||
328 | case __NR_creat: | |
329 | result = creat((char *) t2h_addr(cb, &s, arg1), arg2); | |
330 | errcode = errno; | |
331 | break; | |
332 | ||
333 | case __NR_link: | |
334 | result = link((char *) t2h_addr(cb, &s, arg1), | |
335 | (char *) t2h_addr(cb, &s, arg2)); | |
336 | errcode = errno; | |
337 | break; | |
338 | ||
339 | case __NR_unlink: | |
340 | result = unlink((char *) t2h_addr(cb, &s, arg1)); | |
341 | errcode = errno; | |
342 | break; | |
343 | ||
344 | case __NR_chdir: | |
345 | result = chdir((char *) t2h_addr(cb, &s, arg1)); | |
346 | errcode = errno; | |
347 | break; | |
348 | ||
349 | case __NR_time: | |
350 | { | |
351 | time_t t; | |
352 | ||
353 | if (arg1 == 0) | |
354 | { | |
355 | result = (int) time(NULL); | |
356 | errcode = errno; | |
357 | } | |
358 | else | |
359 | { | |
360 | result = (int) time(&t); | |
361 | errcode = errno; | |
362 | ||
363 | if (result != 0) | |
364 | break; | |
365 | ||
366 | translate_endian((void *) &t, sizeof(t)); | |
367 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) != sizeof(t)) | |
368 | { | |
369 | result = -1; | |
370 | errcode = EINVAL; | |
371 | } | |
372 | } | |
373 | } | |
374 | break; | |
375 | ||
376 | case __NR_mknod: | |
377 | result = mknod((char *) t2h_addr(cb, &s, arg1), | |
378 | (mode_t) arg2, (dev_t) arg3); | |
379 | errcode = errno; | |
380 | break; | |
381 | ||
382 | case __NR_chmod: | |
383 | result = chmod((char *) t2h_addr(cb, &s, arg1), (mode_t) arg2); | |
384 | errcode = errno; | |
385 | break; | |
386 | ||
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 | ||
403 | case __NR_getuid: | |
404 | result = getuid(); | |
405 | errcode = errno; | |
406 | break; | |
407 | ||
408 | case __NR_utime: | |
409 | { | |
410 | struct utimbuf buf; | |
411 | ||
412 | if (arg2 == 0) | |
413 | { | |
414 | result = utime((char *) t2h_addr(cb, &s, arg1), NULL); | |
415 | errcode = errno; | |
416 | } | |
417 | else | |
418 | { | |
419 | buf = *((struct utimbuf *) t2h_addr(cb, &s, arg2)); | |
420 | translate_endian((void *) &buf, sizeof(buf)); | |
421 | result = utime((char *) t2h_addr(cb, &s, arg1), &buf); | |
422 | errcode = errno; | |
423 | } | |
424 | } | |
425 | break; | |
426 | ||
427 | case __NR_access: | |
428 | result = access((char *) t2h_addr(cb, &s, arg1), arg2); | |
429 | errcode = errno; | |
430 | break; | |
431 | ||
432 | case __NR_ftime: | |
433 | { | |
434 | struct timeb t; | |
435 | ||
436 | result = ftime(&t); | |
437 | errcode = errno; | |
438 | ||
439 | if (result != 0) | |
440 | break; | |
441 | ||
442 | t.time = conv_endian(t.time); | |
443 | t.millitm = conv_endian16(t.millitm); | |
444 | t.timezone = conv_endian16(t.timezone); | |
445 | t.dstflag = conv_endian16(t.dstflag); | |
446 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) | |
447 | != sizeof(t)) | |
448 | { | |
449 | result = -1; | |
450 | errcode = EINVAL; | |
451 | } | |
452 | } | |
453 | ||
454 | case __NR_sync: | |
455 | sync(); | |
456 | result = 0; | |
457 | break; | |
458 | ||
459 | case __NR_rename: | |
460 | result = rename((char *) t2h_addr(cb, &s, arg1), | |
461 | (char *) t2h_addr(cb, &s, arg2)); | |
462 | errcode = errno; | |
463 | break; | |
464 | ||
465 | case __NR_mkdir: | |
466 | result = mkdir((char *) t2h_addr(cb, &s, arg1), arg2); | |
467 | errcode = errno; | |
468 | break; | |
469 | ||
470 | case __NR_rmdir: | |
471 | result = rmdir((char *) t2h_addr(cb, &s, arg1)); | |
472 | errcode = errno; | |
473 | break; | |
474 | ||
475 | case __NR_dup: | |
476 | result = dup(arg1); | |
477 | errcode = errno; | |
478 | break; | |
479 | ||
480 | case __NR_brk: | |
481 | result = brk((void *) arg1); | |
482 | errcode = errno; | |
483 | //result = arg1; | |
484 | break; | |
485 | ||
486 | case __NR_getgid: | |
487 | result = getgid(); | |
488 | errcode = errno; | |
489 | break; | |
490 | ||
491 | case __NR_geteuid: | |
492 | result = geteuid(); | |
493 | errcode = errno; | |
494 | break; | |
495 | ||
496 | case __NR_getegid: | |
497 | result = getegid(); | |
498 | errcode = errno; | |
499 | break; | |
500 | ||
501 | case __NR_ioctl: | |
502 | result = ioctl(arg1, arg2, arg3); | |
503 | errcode = errno; | |
504 | break; | |
505 | ||
506 | case __NR_fcntl: | |
507 | result = fcntl(arg1, arg2, arg3); | |
508 | errcode = errno; | |
509 | break; | |
510 | ||
6edf0760 NC |
511 | case __NR_dup2: |
512 | result = dup2(arg1, arg2); | |
513 | errcode = errno; | |
514 | break; | |
515 | ||
516 | case __NR_getppid: | |
517 | result = getppid(); | |
518 | errcode = errno; | |
519 | break; | |
520 | ||
521 | case __NR_getpgrp: | |
522 | result = getpgrp(); | |
523 | errcode = errno; | |
524 | break; | |
525 | ||
526 | case __NR_getrlimit: | |
527 | { | |
528 | struct rlimit rlim; | |
529 | ||
530 | result = getrlimit(arg1, &rlim); | |
531 | errcode = errno; | |
532 | ||
533 | if (result != 0) | |
534 | break; | |
535 | ||
536 | translate_endian((void *) &rlim, sizeof(rlim)); | |
537 | if ((s.write_mem) (cb, &s, arg2, (char *) &rlim, sizeof(rlim)) | |
538 | != sizeof(rlim)) | |
539 | { | |
540 | result = -1; | |
541 | errcode = EINVAL; | |
542 | } | |
543 | } | |
544 | break; | |
545 | ||
546 | case __NR_getrusage: | |
547 | { | |
548 | struct rusage usage; | |
549 | ||
550 | result = getrusage(arg1, &usage); | |
551 | errcode = errno; | |
552 | ||
553 | if (result != 0) | |
554 | break; | |
555 | ||
556 | translate_endian((void *) &usage, sizeof(usage)); | |
557 | if ((s.write_mem) (cb, &s, arg2, (char *) &usage, sizeof(usage)) | |
558 | != sizeof(usage)) | |
559 | { | |
560 | result = -1; | |
561 | errcode = EINVAL; | |
562 | } | |
563 | } | |
564 | break; | |
565 | ||
566 | case __NR_gettimeofday: | |
567 | { | |
568 | struct timeval tv; | |
569 | struct timezone tz; | |
570 | ||
571 | result = gettimeofday(&tv, &tz); | |
572 | errcode = errno; | |
573 | ||
574 | if (result != 0) | |
575 | break; | |
576 | ||
577 | translate_endian((void *) &tv, sizeof(tv)); | |
578 | if ((s.write_mem) (cb, &s, arg1, (char *) &tv, sizeof(tv)) | |
579 | != sizeof(tv)) | |
580 | { | |
581 | result = -1; | |
582 | errcode = EINVAL; | |
583 | } | |
584 | ||
585 | translate_endian((void *) &tz, sizeof(tz)); | |
586 | if ((s.write_mem) (cb, &s, arg2, (char *) &tz, sizeof(tz)) | |
587 | != sizeof(tz)) | |
588 | { | |
589 | result = -1; | |
590 | errcode = EINVAL; | |
591 | } | |
592 | } | |
593 | break; | |
594 | ||
595 | case __NR_getgroups: | |
596 | { | |
597 | gid_t *list; | |
598 | ||
599 | if (arg1 > 0) | |
600 | list = (gid_t *) malloc(arg1 * sizeof(gid_t)); | |
601 | ||
602 | result = getgroups(arg1, list); | |
603 | errcode = errno; | |
604 | ||
605 | if (result != 0) | |
606 | break; | |
607 | ||
608 | translate_endian((void *) list, arg1 * sizeof(gid_t)); | |
609 | if (arg1 > 0) | |
610 | if ((s.write_mem) (cb, &s, arg2, (char *) list, arg1 * sizeof(gid_t)) | |
611 | != arg1 * sizeof(gid_t)) | |
612 | { | |
613 | result = -1; | |
614 | errcode = EINVAL; | |
615 | } | |
616 | } | |
617 | break; | |
618 | ||
619 | case __NR_select: | |
620 | { | |
621 | int n; | |
622 | fd_set readfds; | |
623 | fd_set *treadfdsp; | |
624 | fd_set *hreadfdsp; | |
625 | fd_set writefds; | |
626 | fd_set *twritefdsp; | |
627 | fd_set *hwritefdsp; | |
628 | fd_set exceptfds; | |
629 | fd_set *texceptfdsp; | |
630 | fd_set *hexceptfdsp; | |
631 | struct timeval *ttimeoutp; | |
632 | struct timeval timeout; | |
633 | ||
634 | n = arg1; | |
635 | ||
636 | treadfdsp = (fd_set *) arg2; | |
637 | if (treadfdsp != NULL) | |
638 | { | |
639 | readfds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) treadfdsp)); | |
640 | translate_endian((void *) &readfds, sizeof(readfds)); | |
641 | hreadfdsp = &readfds; | |
642 | } | |
643 | else | |
644 | hreadfdsp = NULL; | |
645 | ||
646 | twritefdsp = (fd_set *) arg3; | |
647 | if (twritefdsp != NULL) | |
648 | { | |
649 | writefds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) twritefdsp)); | |
650 | translate_endian((void *) &writefds, sizeof(writefds)); | |
651 | hwritefdsp = &writefds; | |
652 | } | |
653 | else | |
654 | hwritefdsp = NULL; | |
655 | ||
656 | texceptfdsp = (fd_set *) arg4; | |
657 | if (texceptfdsp != NULL) | |
658 | { | |
659 | exceptfds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) texceptfdsp)); | |
660 | translate_endian((void *) &exceptfds, sizeof(exceptfds)); | |
661 | hexceptfdsp = &exceptfds; | |
662 | } | |
663 | else | |
664 | hexceptfdsp = NULL; | |
665 | ||
666 | ttimeoutp = (struct timeval *) arg5; | |
667 | timeout = *((struct timeval *) t2h_addr(cb, &s, (unsigned int) ttimeoutp)); | |
668 | translate_endian((void *) &timeout, sizeof(timeout)); | |
669 | ||
670 | result = select(n, hreadfdsp, hwritefdsp, hexceptfdsp, &timeout); | |
671 | errcode = errno; | |
672 | ||
673 | if (result != 0) | |
674 | break; | |
675 | ||
676 | if (treadfdsp != NULL) | |
677 | { | |
678 | translate_endian((void *) &readfds, sizeof(readfds)); | |
679 | if ((s.write_mem) (cb, &s, (unsigned long) treadfdsp, | |
680 | (char *) &readfds, sizeof(readfds)) != sizeof(readfds)) | |
681 | { | |
682 | result = -1; | |
683 | errcode = EINVAL; | |
684 | } | |
685 | } | |
686 | ||
687 | if (twritefdsp != NULL) | |
688 | { | |
689 | translate_endian((void *) &writefds, sizeof(writefds)); | |
690 | if ((s.write_mem) (cb, &s, (unsigned long) twritefdsp, | |
691 | (char *) &writefds, sizeof(writefds)) != sizeof(writefds)) | |
692 | { | |
693 | result = -1; | |
694 | errcode = EINVAL; | |
695 | } | |
696 | } | |
697 | ||
698 | if (texceptfdsp != NULL) | |
699 | { | |
700 | translate_endian((void *) &exceptfds, sizeof(exceptfds)); | |
701 | if ((s.write_mem) (cb, &s, (unsigned long) texceptfdsp, | |
702 | (char *) &exceptfds, sizeof(exceptfds)) != sizeof(exceptfds)) | |
703 | { | |
704 | result = -1; | |
705 | errcode = EINVAL; | |
706 | } | |
707 | } | |
708 | ||
709 | translate_endian((void *) &timeout, sizeof(timeout)); | |
710 | if ((s.write_mem) (cb, &s, (unsigned long) ttimeoutp, | |
711 | (char *) &timeout, sizeof(timeout)) != sizeof(timeout)) | |
712 | { | |
713 | result = -1; | |
714 | errcode = EINVAL; | |
715 | } | |
716 | } | |
717 | break; | |
718 | ||
719 | case __NR_symlink: | |
720 | result = symlink((char *) t2h_addr(cb, &s, arg1), | |
721 | (char *) t2h_addr(cb, &s, arg2)); | |
722 | errcode = errno; | |
723 | break; | |
724 | ||
725 | case __NR_readlink: | |
726 | result = readlink((char *) t2h_addr(cb, &s, arg1), | |
727 | (char *) t2h_addr(cb, &s, arg2), | |
728 | arg3); | |
729 | errcode = errno; | |
730 | break; | |
731 | ||
732 | case __NR_readdir: | |
733 | result = (int) readdir((DIR *) t2h_addr(cb, &s, arg1)); | |
734 | errcode = errno; | |
735 | break; | |
736 | ||
737 | #if 0 | |
738 | case __NR_mmap: | |
739 | { | |
740 | result = (int) mmap((void *) t2h_addr(cb, &s, arg1), | |
741 | arg2, arg3, arg4, arg5, arg6); | |
742 | errcode = errno; | |
743 | ||
744 | if (errno == 0) | |
745 | { | |
746 | sim_core_attach (sd, NULL, | |
747 | 0, access_read_write_exec, 0, | |
748 | result, arg2, 0, NULL, NULL); | |
749 | } | |
750 | } | |
751 | break; | |
752 | #endif | |
753 | case __NR_mmap: | |
754 | { | |
755 | void *addr; | |
756 | size_t len; | |
757 | int prot, flags, fildes; | |
758 | off_t off; | |
759 | ||
760 | addr = *((void **) t2h_addr(cb, &s, arg1)); | |
761 | len = *((size_t *) t2h_addr(cb, &s, arg1 + 4)); | |
762 | prot = *((int *) t2h_addr(cb, &s, arg1 + 8)); | |
763 | flags = *((int *) t2h_addr(cb, &s, arg1 + 12)); | |
764 | fildes = *((int *) t2h_addr(cb, &s, arg1 + 16)); | |
765 | off = *((off_t *) t2h_addr(cb, &s, arg1 + 20)); | |
766 | ||
767 | addr = (void *) conv_endian((unsigned int) addr); | |
768 | len = conv_endian(len); | |
769 | prot = conv_endian(prot); | |
770 | flags = conv_endian(flags); | |
771 | fildes = conv_endian(fildes); | |
772 | off = conv_endian(off); | |
773 | ||
774 | //addr = (void *) t2h_addr(cb, &s, (unsigned int) addr); | |
775 | result = (int) mmap(addr, len, prot, flags, fildes, off); | |
776 | errcode = errno; | |
777 | ||
778 | //if (errno == 0) | |
779 | if (result != -1) | |
780 | { | |
781 | char c; | |
782 | if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0) | |
783 | sim_core_attach (sd, NULL, | |
784 | 0, access_read_write_exec, 0, | |
785 | result, len, 0, NULL, NULL); | |
786 | } | |
787 | } | |
788 | break; | |
789 | ||
790 | case __NR_munmap: | |
791 | { | |
792 | result = munmap((void *)arg1, arg2); | |
793 | errcode = errno; | |
794 | if (result != -1) | |
795 | { | |
796 | sim_core_detach (sd, NULL, 0, arg2, result); | |
797 | } | |
798 | } | |
799 | break; | |
800 | ||
801 | case __NR_truncate: | |
802 | result = truncate((char *) t2h_addr(cb, &s, arg1), arg2); | |
803 | errcode = errno; | |
804 | break; | |
805 | ||
806 | case __NR_ftruncate: | |
807 | result = ftruncate(arg1, arg2); | |
808 | errcode = errno; | |
809 | break; | |
810 | ||
811 | case __NR_fchmod: | |
812 | result = fchmod(arg1, arg2); | |
813 | errcode = errno; | |
814 | break; | |
815 | ||
816 | case __NR_fchown: | |
817 | result = fchown(arg1, arg2, arg3); | |
818 | errcode = errno; | |
819 | break; | |
820 | ||
821 | case __NR_statfs: | |
822 | { | |
823 | struct statfs statbuf; | |
824 | ||
825 | result = statfs((char *) t2h_addr(cb, &s, arg1), &statbuf); | |
826 | errcode = errno; | |
827 | ||
828 | if (result != 0) | |
829 | break; | |
830 | ||
831 | translate_endian((void *) &statbuf, sizeof(statbuf)); | |
832 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
833 | != sizeof(statbuf)) | |
834 | { | |
835 | result = -1; | |
836 | errcode = EINVAL; | |
837 | } | |
838 | } | |
839 | break; | |
840 | ||
841 | case __NR_fstatfs: | |
842 | { | |
843 | struct statfs statbuf; | |
844 | ||
845 | result = fstatfs(arg1, &statbuf); | |
846 | errcode = errno; | |
847 | ||
848 | if (result != 0) | |
849 | break; | |
850 | ||
851 | translate_endian((void *) &statbuf, sizeof(statbuf)); | |
852 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
853 | != sizeof(statbuf)) | |
854 | { | |
855 | result = -1; | |
856 | errcode = EINVAL; | |
857 | } | |
858 | } | |
859 | break; | |
860 | ||
861 | case __NR_syslog: | |
862 | result = syslog(arg1, (char *) t2h_addr(cb, &s, arg2)); | |
863 | errcode = errno; | |
864 | break; | |
865 | ||
866 | case __NR_setitimer: | |
867 | { | |
868 | struct itimerval value, ovalue; | |
869 | ||
870 | value = *((struct itimerval *) t2h_addr(cb, &s, arg2)); | |
871 | translate_endian((void *) &value, sizeof(value)); | |
872 | ||
873 | if (arg2 == 0) | |
874 | { | |
875 | result = setitimer(arg1, &value, NULL); | |
876 | errcode = errno; | |
877 | } | |
878 | else | |
879 | { | |
880 | result = setitimer(arg1, &value, &ovalue); | |
881 | errcode = errno; | |
882 | ||
883 | if (result != 0) | |
884 | break; | |
885 | ||
886 | translate_endian((void *) &ovalue, sizeof(ovalue)); | |
887 | if ((s.write_mem) (cb, &s, arg3, (char *) &ovalue, sizeof(ovalue)) | |
888 | != sizeof(ovalue)) | |
889 | { | |
890 | result = -1; | |
891 | errcode = EINVAL; | |
892 | } | |
893 | } | |
894 | } | |
895 | break; | |
896 | ||
897 | case __NR_getitimer: | |
898 | { | |
899 | struct itimerval value; | |
900 | ||
901 | result = getitimer(arg1, &value); | |
902 | errcode = errno; | |
903 | ||
904 | if (result != 0) | |
905 | break; | |
906 | ||
907 | translate_endian((void *) &value, sizeof(value)); | |
908 | if ((s.write_mem) (cb, &s, arg2, (char *) &value, sizeof(value)) | |
909 | != sizeof(value)) | |
910 | { | |
911 | result = -1; | |
912 | errcode = EINVAL; | |
913 | } | |
914 | } | |
915 | break; | |
916 | ||
917 | case __NR_stat: | |
918 | { | |
919 | char *buf; | |
920 | int buflen; | |
921 | struct stat statbuf; | |
922 | ||
923 | result = stat((char *) t2h_addr(cb, &s, arg1), &statbuf); | |
924 | errcode = errno; | |
925 | if (result < 0) | |
926 | break; | |
927 | ||
928 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
929 | buf = xmalloc (buflen); | |
930 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
931 | { | |
932 | /* The translation failed. This is due to an internal | |
933 | host program error, not the target's fault. */ | |
934 | free (buf); | |
935 | result = -1; | |
936 | errcode = ENOSYS; | |
937 | break; | |
938 | } | |
939 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
940 | { | |
941 | free (buf); | |
942 | result = -1; | |
943 | errcode = EINVAL; | |
944 | break; | |
945 | } | |
946 | free (buf); | |
947 | } | |
948 | break; | |
949 | ||
950 | case __NR_lstat: | |
951 | { | |
952 | char *buf; | |
953 | int buflen; | |
954 | struct stat statbuf; | |
955 | ||
956 | result = lstat((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_fstat: | |
984 | { | |
985 | char *buf; | |
986 | int buflen; | |
987 | struct stat statbuf; | |
988 | ||
989 | result = fstat(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_sysinfo: | |
1017 | { | |
1018 | struct sysinfo info; | |
1019 | ||
1020 | result = sysinfo(&info); | |
1021 | errcode = errno; | |
1022 | ||
1023 | if (result != 0) | |
1024 | break; | |
1025 | ||
1026 | info.uptime = conv_endian(info.uptime); | |
1027 | info.loads[0] = conv_endian(info.loads[0]); | |
1028 | info.loads[1] = conv_endian(info.loads[1]); | |
1029 | info.loads[2] = conv_endian(info.loads[2]); | |
1030 | info.totalram = conv_endian(info.totalram); | |
1031 | info.freeram = conv_endian(info.freeram); | |
1032 | info.sharedram = conv_endian(info.sharedram); | |
1033 | info.bufferram = conv_endian(info.bufferram); | |
1034 | info.totalswap = conv_endian(info.totalswap); | |
1035 | info.freeswap = conv_endian(info.freeswap); | |
1036 | info.procs = conv_endian16(info.procs); | |
1037 | #if LINUX_VERSION_CODE >= 0x20400 | |
1038 | info.totalhigh = conv_endian(info.totalhigh); | |
1039 | info.freehigh = conv_endian(info.freehigh); | |
1040 | info.mem_unit = conv_endian(info.mem_unit); | |
1041 | #endif | |
1042 | if ((s.write_mem) (cb, &s, arg1, (char *) &info, sizeof(info)) | |
1043 | != sizeof(info)) | |
1044 | { | |
1045 | result = -1; | |
1046 | errcode = EINVAL; | |
1047 | } | |
1048 | } | |
1049 | break; | |
1050 | ||
1051 | #if 0 | |
1052 | case __NR_ipc: | |
1053 | { | |
1054 | result = ipc(arg1, arg2, arg3, arg4, | |
1055 | (void *) t2h_addr(cb, &s, arg5), arg6); | |
1056 | errcode = errno; | |
1057 | } | |
1058 | break; | |
1059 | #endif | |
1060 | ||
1061 | case __NR_fsync: | |
1062 | result = fsync(arg1); | |
1063 | errcode = errno; | |
1064 | break; | |
1065 | ||
1066 | case __NR_uname: | |
1067 | /* utsname contains only arrays of char, so it is not necessary | |
1068 | to translate endian. */ | |
1069 | result = uname((struct utsname *) t2h_addr(cb, &s, arg1)); | |
1070 | errcode = errno; | |
1071 | break; | |
1072 | ||
1073 | case __NR_adjtimex: | |
1074 | { | |
1075 | struct timex buf; | |
1076 | ||
1077 | result = adjtimex(&buf); | |
1078 | errcode = errno; | |
1079 | ||
1080 | if (result != 0) | |
1081 | break; | |
1082 | ||
1083 | translate_endian((void *) &buf, sizeof(buf)); | |
1084 | if ((s.write_mem) (cb, &s, arg1, (char *) &buf, sizeof(buf)) | |
1085 | != sizeof(buf)) | |
1086 | { | |
1087 | result = -1; | |
1088 | errcode = EINVAL; | |
1089 | } | |
1090 | } | |
1091 | break; | |
1092 | ||
1093 | case __NR_mprotect: | |
1094 | result = mprotect((void *) arg1, arg2, arg3); | |
1095 | errcode = errno; | |
1096 | break; | |
1097 | ||
6edf0760 NC |
1098 | case __NR_fchdir: |
1099 | result = fchdir(arg1); | |
1100 | errcode = errno; | |
1101 | break; | |
1102 | ||
1103 | case __NR_setfsuid: | |
1104 | result = setfsuid(arg1); | |
1105 | errcode = errno; | |
1106 | break; | |
1107 | ||
1108 | case __NR_setfsgid: | |
1109 | result = setfsgid(arg1); | |
1110 | errcode = errno; | |
1111 | break; | |
1112 | ||
1113 | #if 0 | |
1114 | case __NR__llseek: | |
1115 | { | |
1116 | loff_t buf; | |
1117 | ||
1118 | result = _llseek(arg1, arg2, arg3, &buf, arg5); | |
1119 | errcode = errno; | |
1120 | ||
1121 | if (result != 0) | |
1122 | break; | |
1123 | ||
1124 | translate_endian((void *) &buf, sizeof(buf)); | |
1125 | if ((s.write_mem) (cb, &s, t2h_addr(cb, &s, arg4), | |
1126 | (char *) &buf, sizeof(buf)) != sizeof(buf)) | |
1127 | { | |
1128 | result = -1; | |
1129 | errcode = EINVAL; | |
1130 | } | |
1131 | } | |
1132 | break; | |
1133 | ||
1134 | case __NR_getdents: | |
1135 | { | |
1136 | struct dirent dir; | |
1137 | ||
1138 | result = getdents(arg1, &dir, arg3); | |
1139 | errcode = errno; | |
1140 | ||
1141 | if (result != 0) | |
1142 | break; | |
1143 | ||
1144 | dir.d_ino = conv_endian(dir.d_ino); | |
1145 | dir.d_off = conv_endian(dir.d_off); | |
1146 | dir.d_reclen = conv_endian16(dir.d_reclen); | |
1147 | if ((s.write_mem) (cb, &s, arg2, (char *) &dir, sizeof(dir)) | |
1148 | != sizeof(dir)) | |
1149 | { | |
1150 | result = -1; | |
1151 | errcode = EINVAL; | |
1152 | } | |
1153 | } | |
1154 | break; | |
1155 | #endif | |
1156 | ||
1157 | case __NR_flock: | |
1158 | result = flock(arg1, arg2); | |
1159 | errcode = errno; | |
1160 | break; | |
1161 | ||
1162 | case __NR_msync: | |
1163 | result = msync((void *) arg1, arg2, arg3); | |
1164 | errcode = errno; | |
1165 | break; | |
1166 | ||
1167 | case __NR_readv: | |
1168 | { | |
1169 | struct iovec vector; | |
1170 | ||
1171 | vector = *((struct iovec *) t2h_addr(cb, &s, arg2)); | |
1172 | translate_endian((void *) &vector, sizeof(vector)); | |
1173 | ||
1174 | result = readv(arg1, &vector, arg3); | |
1175 | errcode = errno; | |
1176 | } | |
1177 | break; | |
1178 | ||
1179 | case __NR_writev: | |
1180 | { | |
1181 | struct iovec vector; | |
1182 | ||
1183 | vector = *((struct iovec *) t2h_addr(cb, &s, arg2)); | |
1184 | translate_endian((void *) &vector, sizeof(vector)); | |
1185 | ||
1186 | result = writev(arg1, &vector, arg3); | |
1187 | errcode = errno; | |
1188 | } | |
1189 | break; | |
1190 | ||
1191 | case __NR_fdatasync: | |
1192 | result = fdatasync(arg1); | |
1193 | errcode = errno; | |
1194 | break; | |
1195 | ||
1196 | case __NR_mlock: | |
1197 | result = mlock((void *) t2h_addr(cb, &s, arg1), arg2); | |
1198 | errcode = errno; | |
1199 | break; | |
1200 | ||
1201 | case __NR_munlock: | |
1202 | result = munlock((void *) t2h_addr(cb, &s, arg1), arg2); | |
1203 | errcode = errno; | |
1204 | break; | |
1205 | ||
1206 | case __NR_nanosleep: | |
1207 | { | |
1208 | struct timespec req, rem; | |
1209 | ||
1210 | req = *((struct timespec *) t2h_addr(cb, &s, arg2)); | |
1211 | translate_endian((void *) &req, sizeof(req)); | |
1212 | ||
1213 | result = nanosleep(&req, &rem); | |
1214 | errcode = errno; | |
1215 | ||
1216 | if (result != 0) | |
1217 | break; | |
1218 | ||
1219 | translate_endian((void *) &rem, sizeof(rem)); | |
1220 | if ((s.write_mem) (cb, &s, arg2, (char *) &rem, sizeof(rem)) | |
1221 | != sizeof(rem)) | |
1222 | { | |
1223 | result = -1; | |
1224 | errcode = EINVAL; | |
1225 | } | |
1226 | } | |
1227 | break; | |
1228 | ||
1229 | case __NR_mremap: /* FIXME */ | |
1230 | result = (int) mremap((void *) t2h_addr(cb, &s, arg1), arg2, arg3, arg4); | |
1231 | errcode = errno; | |
1232 | break; | |
1233 | ||
1234 | case __NR_getresuid: | |
1235 | { | |
1236 | uid_t ruid, euid, suid; | |
1237 | ||
1238 | result = getresuid(&ruid, &euid, &suid); | |
1239 | errcode = errno; | |
1240 | ||
1241 | if (result != 0) | |
1242 | break; | |
1243 | ||
1244 | *((uid_t *) t2h_addr(cb, &s, arg1)) = conv_endian(ruid); | |
1245 | *((uid_t *) t2h_addr(cb, &s, arg2)) = conv_endian(euid); | |
1246 | *((uid_t *) t2h_addr(cb, &s, arg3)) = conv_endian(suid); | |
1247 | } | |
1248 | break; | |
1249 | ||
1250 | case __NR_poll: | |
1251 | { | |
1252 | struct pollfd ufds; | |
1253 | ||
1254 | ufds = *((struct pollfd *) t2h_addr(cb, &s, arg1)); | |
1255 | ufds.fd = conv_endian(ufds.fd); | |
1256 | ufds.events = conv_endian16(ufds.events); | |
1257 | ufds.revents = conv_endian16(ufds.revents); | |
1258 | ||
1259 | result = poll(&ufds, arg2, arg3); | |
1260 | errcode = errno; | |
1261 | } | |
1262 | break; | |
1263 | ||
1264 | case __NR_getresgid: | |
1265 | { | |
1266 | uid_t rgid, egid, sgid; | |
1267 | ||
1268 | result = getresgid(&rgid, &egid, &sgid); | |
1269 | errcode = errno; | |
1270 | ||
1271 | if (result != 0) | |
1272 | break; | |
1273 | ||
1274 | *((uid_t *) t2h_addr(cb, &s, arg1)) = conv_endian(rgid); | |
1275 | *((uid_t *) t2h_addr(cb, &s, arg2)) = conv_endian(egid); | |
1276 | *((uid_t *) t2h_addr(cb, &s, arg3)) = conv_endian(sgid); | |
1277 | } | |
1278 | break; | |
1279 | ||
1280 | case __NR_pread: | |
1281 | result = pread(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4); | |
1282 | errcode = errno; | |
1283 | break; | |
1284 | ||
1285 | case __NR_pwrite: | |
1286 | result = pwrite(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4); | |
1287 | errcode = errno; | |
1288 | break; | |
1289 | ||
1290 | case __NR_chown: | |
1291 | result = chown((char *) t2h_addr(cb, &s, arg1), arg2, arg3); | |
1292 | errcode = errno; | |
1293 | break; | |
1294 | ||
1295 | case __NR_getcwd: | |
1296 | result = (int) getcwd((char *) t2h_addr(cb, &s, arg1), arg2); | |
1297 | errcode = errno; | |
1298 | break; | |
1299 | ||
1300 | case __NR_sendfile: | |
1301 | { | |
1302 | off_t offset; | |
1303 | ||
1304 | offset = *((off_t *) t2h_addr(cb, &s, arg3)); | |
1305 | offset = conv_endian(offset); | |
1306 | ||
1307 | result = sendfile(arg1, arg2, &offset, arg3); | |
1308 | errcode = errno; | |
1309 | ||
1310 | if (result != 0) | |
1311 | break; | |
1312 | ||
1313 | *((off_t *) t2h_addr(cb, &s, arg3)) = conv_endian(offset); | |
1314 | } | |
1315 | break; | |
1316 | ||
1317 | default: | |
1318 | result = -1; | |
1319 | errcode = ENOSYS; | |
1320 | break; | |
1321 | } | |
1322 | ||
1323 | if (result == -1) | |
1324 | m32rbf_h_gr_set (current_cpu, 0, -errcode); | |
1325 | else | |
1326 | m32rbf_h_gr_set (current_cpu, 0, result); | |
1327 | break; | |
1328 | } | |
1329 | ||
1330 | case TRAP_BREAKPOINT: | |
1331 | sim_engine_halt (sd, current_cpu, NULL, pc, | |
1332 | sim_stopped, SIM_SIGTRAP); | |
1333 | break; | |
1334 | ||
1335 | case TRAP_FLUSH_CACHE: | |
1336 | /* Do nothing. */ | |
1337 | break; | |
1338 | ||
1339 | default : | |
1340 | { | |
1341 | /* Use cr5 as EVB (EIT Vector Base) register. */ | |
1342 | USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4; | |
1343 | return new_pc; | |
1344 | } | |
1345 | } | |
1346 | ||
1347 | /* Fake an "rte" insn. */ | |
1348 | /* FIXME: Should duplicate all of rte processing. */ | |
1349 | return (pc & -4) + 4; | |
1350 | } |