Commit | Line | Data |
---|---|---|
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> | |
42 | #include <linux/module.h> | |
43 | #include <linux/sysctl.h> | |
44 | #include <linux/types.h> | |
45 | #include <linux/unistd.h> | |
46 | ||
47 | #define TRAP_ELF_SYSCALL 0 | |
48 | #define TRAP_LINUX_SYSCALL 2 | |
49 | #define TRAP_FLUSH_CACHE 12 | |
50 | ||
51 | /* The semantic code invokes this for invalid (unrecognized) instructions. */ | |
52 | ||
53 | SEM_PC | |
54 | sim_engine_invalid_insn (SIM_CPU *current_cpu, IADDR cia, SEM_PC vpc) | |
55 | { | |
56 | SIM_DESC sd = CPU_STATE (current_cpu); | |
57 | ||
58 | #if 0 | |
59 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
60 | { | |
61 | h_bsm_set (current_cpu, h_sm_get (current_cpu)); | |
62 | h_bie_set (current_cpu, h_ie_get (current_cpu)); | |
63 | h_bcond_set (current_cpu, h_cond_get (current_cpu)); | |
64 | /* sm not changed */ | |
65 | h_ie_set (current_cpu, 0); | |
66 | h_cond_set (current_cpu, 0); | |
67 | ||
68 | h_bpc_set (current_cpu, cia); | |
69 | ||
70 | sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, | |
71 | EIT_RSVD_INSN_ADDR); | |
72 | } | |
73 | else | |
74 | #endif | |
75 | sim_engine_halt (sd, current_cpu, NULL, cia, sim_stopped, SIM_SIGILL); | |
76 | return vpc; | |
77 | } | |
78 | ||
79 | /* Process an address exception. */ | |
80 | ||
81 | void | |
82 | m32r_core_signal (SIM_DESC sd, SIM_CPU *current_cpu, sim_cia cia, | |
83 | unsigned int map, int nr_bytes, address_word addr, | |
84 | transfer_type transfer, sim_core_signals sig) | |
85 | { | |
86 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
87 | { | |
88 | m32rbf_h_cr_set (current_cpu, H_CR_BBPC, | |
89 | m32rbf_h_cr_get (current_cpu, H_CR_BPC)); | |
90 | if (MACH_NUM (CPU_MACH (current_cpu)) == MACH_M32R) | |
91 | { | |
92 | m32rbf_h_bpsw_set (current_cpu, m32rbf_h_psw_get (current_cpu)); | |
93 | /* sm not changed */ | |
94 | m32rbf_h_psw_set (current_cpu, m32rbf_h_psw_get (current_cpu) & 0x80); | |
95 | } | |
96 | else if (MACH_NUM (CPU_MACH (current_cpu)) == MACH_M32RX) | |
97 | { | |
98 | m32rxf_h_bpsw_set (current_cpu, m32rxf_h_psw_get (current_cpu)); | |
99 | /* sm not changed */ | |
100 | m32rxf_h_psw_set (current_cpu, m32rxf_h_psw_get (current_cpu) & 0x80); | |
101 | } | |
102 | else | |
103 | { | |
104 | m32r2f_h_bpsw_set (current_cpu, m32r2f_h_psw_get (current_cpu)); | |
105 | /* sm not changed */ | |
106 | m32r2f_h_psw_set (current_cpu, m32r2f_h_psw_get (current_cpu) & 0x80); | |
107 | } | |
108 | m32rbf_h_cr_set (current_cpu, H_CR_BPC, cia); | |
109 | ||
110 | sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, | |
111 | EIT_ADDR_EXCP_ADDR); | |
112 | } | |
113 | else | |
114 | sim_core_signal (sd, current_cpu, cia, map, nr_bytes, addr, | |
115 | transfer, sig); | |
116 | } | |
117 | \f | |
118 | /* Read/write functions for system call interface. */ | |
119 | ||
120 | static int | |
121 | syscall_read_mem (host_callback *cb, struct cb_syscall *sc, | |
122 | unsigned long taddr, char *buf, int bytes) | |
123 | { | |
124 | SIM_DESC sd = (SIM_DESC) sc->p1; | |
125 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
126 | ||
127 | return sim_core_read_buffer (sd, cpu, read_map, buf, taddr, bytes); | |
128 | } | |
129 | ||
130 | static int | |
131 | syscall_write_mem (host_callback *cb, struct cb_syscall *sc, | |
132 | unsigned long taddr, const char *buf, int bytes) | |
133 | { | |
134 | SIM_DESC sd = (SIM_DESC) sc->p1; | |
135 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
136 | ||
137 | return sim_core_write_buffer (sd, cpu, write_map, buf, taddr, bytes); | |
138 | } | |
139 | ||
140 | /* Translate target's address to host's address. */ | |
141 | ||
142 | static void * | |
143 | t2h_addr (host_callback *cb, struct cb_syscall *sc, | |
144 | unsigned long taddr) | |
145 | { | |
146 | extern sim_core_trans_addr (SIM_DESC, sim_cpu *, unsigned, address_word); | |
147 | void *addr; | |
148 | SIM_DESC sd = (SIM_DESC) sc->p1; | |
149 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
150 | ||
151 | if (taddr == 0) | |
152 | return NULL; | |
153 | ||
154 | return sim_core_trans_addr (sd, cpu, read_map, taddr); | |
155 | } | |
156 | ||
157 | static unsigned int | |
158 | conv_endian (unsigned int tvalue) | |
159 | { | |
160 | unsigned int hvalue; | |
161 | unsigned int t1, t2, t3, t4; | |
162 | ||
163 | if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) | |
164 | { | |
165 | t1 = tvalue & 0xff000000; | |
166 | t2 = tvalue & 0x00ff0000; | |
167 | t3 = tvalue & 0x0000ff00; | |
168 | t4 = tvalue & 0x000000ff; | |
169 | ||
170 | hvalue = t1 >> 24; | |
171 | hvalue += t2 >> 8; | |
172 | hvalue += t3 << 8; | |
173 | hvalue += t4 << 24; | |
174 | } | |
175 | else | |
176 | hvalue = tvalue; | |
177 | ||
178 | return hvalue; | |
179 | } | |
180 | ||
181 | static unsigned short | |
182 | conv_endian16 (unsigned short tvalue) | |
183 | { | |
184 | unsigned short hvalue; | |
185 | unsigned short t1, t2; | |
186 | ||
187 | if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) | |
188 | { | |
189 | t1 = tvalue & 0xff00; | |
190 | t2 = tvalue & 0x00ff; | |
191 | ||
192 | hvalue = t1 >> 8; | |
193 | hvalue += t2 << 8; | |
194 | } | |
195 | else | |
196 | hvalue = tvalue; | |
197 | ||
198 | return hvalue; | |
199 | } | |
200 | ||
201 | static void | |
202 | translate_endian(void *addr, size_t size) | |
203 | { | |
204 | unsigned int *p = (unsigned int *) addr; | |
205 | int i; | |
206 | ||
207 | for (i = 0; i <= size - 4; i += 4,p++) | |
208 | *p = conv_endian(*p); | |
209 | ||
210 | if (i <= size - 2) | |
211 | *((unsigned short *) p) = conv_endian16(*((unsigned short *) p)); | |
212 | } | |
213 | ||
214 | /* Trap support. | |
215 | The result is the pc address to continue at. | |
216 | Preprocessing like saving the various registers has already been done. */ | |
217 | ||
218 | USI | |
219 | m32r_trap (SIM_CPU *current_cpu, PCADDR pc, int num) | |
220 | { | |
221 | SIM_DESC sd = CPU_STATE (current_cpu); | |
222 | host_callback *cb = STATE_CALLBACK (sd); | |
223 | ||
224 | #ifdef SIM_HAVE_BREAKPOINTS | |
225 | /* Check for breakpoints "owned" by the simulator first, regardless | |
226 | of --environment. */ | |
227 | if (num == TRAP_BREAKPOINT) | |
228 | { | |
229 | /* First try sim-break.c. If it's a breakpoint the simulator "owns" | |
230 | it doesn't return. Otherwise it returns and let's us try. */ | |
231 | sim_handle_breakpoint (sd, current_cpu, pc); | |
232 | /* Fall through. */ | |
233 | } | |
234 | #endif | |
235 | ||
236 | switch (num) | |
237 | { | |
238 | case TRAP_ELF_SYSCALL : | |
239 | { | |
240 | CB_SYSCALL s; | |
241 | ||
242 | CB_SYSCALL_INIT (&s); | |
243 | s.func = m32rbf_h_gr_get (current_cpu, 0); | |
244 | s.arg1 = m32rbf_h_gr_get (current_cpu, 1); | |
245 | s.arg2 = m32rbf_h_gr_get (current_cpu, 2); | |
246 | s.arg3 = m32rbf_h_gr_get (current_cpu, 3); | |
247 | ||
248 | if (s.func == TARGET_SYS_exit) | |
249 | { | |
250 | sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, s.arg1); | |
251 | } | |
252 | ||
253 | s.p1 = (PTR) sd; | |
254 | s.p2 = (PTR) current_cpu; | |
255 | s.read_mem = syscall_read_mem; | |
256 | s.write_mem = syscall_write_mem; | |
257 | cb_syscall (cb, &s); | |
258 | m32rbf_h_gr_set (current_cpu, 2, s.errcode); | |
259 | m32rbf_h_gr_set (current_cpu, 0, s.result); | |
260 | m32rbf_h_gr_set (current_cpu, 1, s.result2); | |
261 | break; | |
262 | } | |
263 | ||
264 | case TRAP_LINUX_SYSCALL : | |
265 | { | |
266 | CB_SYSCALL s; | |
267 | unsigned int func, arg1, arg2, arg3, arg4, arg5, arg6, arg7; | |
268 | int result, result2, errcode; | |
269 | ||
270 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
271 | { | |
272 | /* The new pc is the trap vector entry. | |
273 | We assume there's a branch there to some handler. | |
274 | Use cr5 as EVB (EIT Vector Base) register. */ | |
275 | USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4; | |
276 | return new_pc; | |
277 | } | |
278 | ||
279 | func = m32rbf_h_gr_get (current_cpu, 7); | |
280 | arg1 = m32rbf_h_gr_get (current_cpu, 0); | |
281 | arg2 = m32rbf_h_gr_get (current_cpu, 1); | |
282 | arg3 = m32rbf_h_gr_get (current_cpu, 2); | |
283 | arg4 = m32rbf_h_gr_get (current_cpu, 3); | |
284 | arg5 = m32rbf_h_gr_get (current_cpu, 4); | |
285 | arg6 = m32rbf_h_gr_get (current_cpu, 5); | |
286 | arg7 = m32rbf_h_gr_get (current_cpu, 6); | |
287 | ||
288 | CB_SYSCALL_INIT (&s); | |
289 | s.func = func; | |
290 | s.arg1 = arg1; | |
291 | s.arg2 = arg2; | |
292 | s.arg3 = arg3; | |
293 | ||
294 | s.p1 = (PTR) sd; | |
295 | s.p2 = (PTR) current_cpu; | |
296 | s.read_mem = syscall_read_mem; | |
297 | s.write_mem = syscall_write_mem; | |
298 | ||
299 | result = 0; | |
300 | result2 = 0; | |
301 | errcode = 0; | |
302 | ||
303 | switch (func) | |
304 | { | |
305 | case __NR_exit: | |
306 | sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, arg1); | |
307 | break; | |
308 | ||
309 | case __NR_read: | |
310 | result = read(arg1, t2h_addr(cb, &s, arg2), arg3); | |
311 | errcode = errno; | |
312 | break; | |
313 | ||
314 | case __NR_write: | |
315 | result = write(arg1, t2h_addr(cb, &s, arg2), arg3); | |
316 | errcode = errno; | |
317 | break; | |
318 | ||
319 | case __NR_open: | |
320 | result = open((char *) t2h_addr(cb, &s, arg1), arg2, arg3); | |
321 | errcode = errno; | |
322 | break; | |
323 | ||
324 | case __NR_close: | |
325 | result = close(arg1); | |
326 | errcode = errno; | |
327 | break; | |
328 | ||
329 | case __NR_creat: | |
330 | result = creat((char *) t2h_addr(cb, &s, arg1), arg2); | |
331 | errcode = errno; | |
332 | break; | |
333 | ||
334 | case __NR_link: | |
335 | result = link((char *) t2h_addr(cb, &s, arg1), | |
336 | (char *) t2h_addr(cb, &s, arg2)); | |
337 | errcode = errno; | |
338 | break; | |
339 | ||
340 | case __NR_unlink: | |
341 | result = unlink((char *) t2h_addr(cb, &s, arg1)); | |
342 | errcode = errno; | |
343 | break; | |
344 | ||
345 | case __NR_chdir: | |
346 | result = chdir((char *) t2h_addr(cb, &s, arg1)); | |
347 | errcode = errno; | |
348 | break; | |
349 | ||
350 | case __NR_time: | |
351 | { | |
352 | time_t t; | |
353 | ||
354 | if (arg1 == 0) | |
355 | { | |
356 | result = (int) time(NULL); | |
357 | errcode = errno; | |
358 | } | |
359 | else | |
360 | { | |
361 | result = (int) time(&t); | |
362 | errcode = errno; | |
363 | ||
364 | if (result != 0) | |
365 | break; | |
366 | ||
367 | translate_endian((void *) &t, sizeof(t)); | |
368 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) != sizeof(t)) | |
369 | { | |
370 | result = -1; | |
371 | errcode = EINVAL; | |
372 | } | |
373 | } | |
374 | } | |
375 | break; | |
376 | ||
377 | case __NR_mknod: | |
378 | result = mknod((char *) t2h_addr(cb, &s, arg1), | |
379 | (mode_t) arg2, (dev_t) arg3); | |
380 | errcode = errno; | |
381 | break; | |
382 | ||
383 | case __NR_chmod: | |
384 | result = chmod((char *) t2h_addr(cb, &s, arg1), (mode_t) arg2); | |
385 | errcode = errno; | |
386 | break; | |
387 | ||
388 | case __NR_lchown: | |
389 | result = lchown((char *) t2h_addr(cb, &s, arg1), | |
390 | (uid_t) arg2, (gid_t) arg3); | |
391 | errcode = errno; | |
392 | break; | |
393 | ||
394 | case __NR_lseek: | |
395 | result = (int) lseek(arg1, (off_t) arg2, arg3); | |
396 | errcode = errno; | |
397 | break; | |
398 | ||
399 | case __NR_getpid: | |
400 | result = getpid(); | |
401 | errcode = errno; | |
402 | break; | |
403 | ||
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 | ||
487 | case __NR_getgid: | |
488 | result = getgid(); | |
489 | errcode = errno; | |
490 | break; | |
491 | ||
492 | case __NR_geteuid: | |
493 | result = geteuid(); | |
494 | errcode = errno; | |
495 | break; | |
496 | ||
497 | case __NR_getegid: | |
498 | result = getegid(); | |
499 | errcode = errno; | |
500 | break; | |
501 | ||
502 | case __NR_ioctl: | |
503 | result = ioctl(arg1, arg2, arg3); | |
504 | errcode = errno; | |
505 | break; | |
506 | ||
507 | case __NR_fcntl: | |
508 | result = fcntl(arg1, arg2, arg3); | |
509 | errcode = errno; | |
510 | break; | |
511 | ||
512 | case __NR_ustat: | |
513 | { | |
514 | struct ustat ubuf; | |
515 | ||
516 | result = ustat(arg1, &ubuf); | |
517 | errcode = errno; | |
518 | ||
519 | if (result != 0) | |
520 | break; | |
521 | ||
522 | ubuf.f_tfree = conv_endian(ubuf.f_tfree); | |
523 | ubuf.f_tinode = conv_endian(ubuf.f_tinode); | |
524 | if ((s.write_mem) (cb, &s, arg2, (char *) &ubuf, sizeof(ubuf)) | |
525 | != sizeof(ubuf)) | |
526 | { | |
527 | result = -1; | |
528 | errcode = EINVAL; | |
529 | } | |
530 | } | |
531 | break; | |
532 | ||
533 | case __NR_dup2: | |
534 | result = dup2(arg1, arg2); | |
535 | errcode = errno; | |
536 | break; | |
537 | ||
538 | case __NR_getppid: | |
539 | result = getppid(); | |
540 | errcode = errno; | |
541 | break; | |
542 | ||
543 | case __NR_getpgrp: | |
544 | result = getpgrp(); | |
545 | errcode = errno; | |
546 | break; | |
547 | ||
548 | case __NR_getrlimit: | |
549 | { | |
550 | struct rlimit rlim; | |
551 | ||
552 | result = getrlimit(arg1, &rlim); | |
553 | errcode = errno; | |
554 | ||
555 | if (result != 0) | |
556 | break; | |
557 | ||
558 | translate_endian((void *) &rlim, sizeof(rlim)); | |
559 | if ((s.write_mem) (cb, &s, arg2, (char *) &rlim, sizeof(rlim)) | |
560 | != sizeof(rlim)) | |
561 | { | |
562 | result = -1; | |
563 | errcode = EINVAL; | |
564 | } | |
565 | } | |
566 | break; | |
567 | ||
568 | case __NR_getrusage: | |
569 | { | |
570 | struct rusage usage; | |
571 | ||
572 | result = getrusage(arg1, &usage); | |
573 | errcode = errno; | |
574 | ||
575 | if (result != 0) | |
576 | break; | |
577 | ||
578 | translate_endian((void *) &usage, sizeof(usage)); | |
579 | if ((s.write_mem) (cb, &s, arg2, (char *) &usage, sizeof(usage)) | |
580 | != sizeof(usage)) | |
581 | { | |
582 | result = -1; | |
583 | errcode = EINVAL; | |
584 | } | |
585 | } | |
586 | break; | |
587 | ||
588 | case __NR_gettimeofday: | |
589 | { | |
590 | struct timeval tv; | |
591 | struct timezone tz; | |
592 | ||
593 | result = gettimeofday(&tv, &tz); | |
594 | errcode = errno; | |
595 | ||
596 | if (result != 0) | |
597 | break; | |
598 | ||
599 | translate_endian((void *) &tv, sizeof(tv)); | |
600 | if ((s.write_mem) (cb, &s, arg1, (char *) &tv, sizeof(tv)) | |
601 | != sizeof(tv)) | |
602 | { | |
603 | result = -1; | |
604 | errcode = EINVAL; | |
605 | } | |
606 | ||
607 | translate_endian((void *) &tz, sizeof(tz)); | |
608 | if ((s.write_mem) (cb, &s, arg2, (char *) &tz, sizeof(tz)) | |
609 | != sizeof(tz)) | |
610 | { | |
611 | result = -1; | |
612 | errcode = EINVAL; | |
613 | } | |
614 | } | |
615 | break; | |
616 | ||
617 | case __NR_getgroups: | |
618 | { | |
619 | gid_t *list; | |
620 | ||
621 | if (arg1 > 0) | |
622 | list = (gid_t *) malloc(arg1 * sizeof(gid_t)); | |
623 | ||
624 | result = getgroups(arg1, list); | |
625 | errcode = errno; | |
626 | ||
627 | if (result != 0) | |
628 | break; | |
629 | ||
630 | translate_endian((void *) list, arg1 * sizeof(gid_t)); | |
631 | if (arg1 > 0) | |
632 | if ((s.write_mem) (cb, &s, arg2, (char *) list, arg1 * sizeof(gid_t)) | |
633 | != arg1 * sizeof(gid_t)) | |
634 | { | |
635 | result = -1; | |
636 | errcode = EINVAL; | |
637 | } | |
638 | } | |
639 | break; | |
640 | ||
641 | case __NR_select: | |
642 | { | |
643 | int n; | |
644 | fd_set readfds; | |
645 | fd_set *treadfdsp; | |
646 | fd_set *hreadfdsp; | |
647 | fd_set writefds; | |
648 | fd_set *twritefdsp; | |
649 | fd_set *hwritefdsp; | |
650 | fd_set exceptfds; | |
651 | fd_set *texceptfdsp; | |
652 | fd_set *hexceptfdsp; | |
653 | struct timeval *ttimeoutp; | |
654 | struct timeval timeout; | |
655 | ||
656 | n = arg1; | |
657 | ||
658 | treadfdsp = (fd_set *) arg2; | |
659 | if (treadfdsp != NULL) | |
660 | { | |
661 | readfds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) treadfdsp)); | |
662 | translate_endian((void *) &readfds, sizeof(readfds)); | |
663 | hreadfdsp = &readfds; | |
664 | } | |
665 | else | |
666 | hreadfdsp = NULL; | |
667 | ||
668 | twritefdsp = (fd_set *) arg3; | |
669 | if (twritefdsp != NULL) | |
670 | { | |
671 | writefds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) twritefdsp)); | |
672 | translate_endian((void *) &writefds, sizeof(writefds)); | |
673 | hwritefdsp = &writefds; | |
674 | } | |
675 | else | |
676 | hwritefdsp = NULL; | |
677 | ||
678 | texceptfdsp = (fd_set *) arg4; | |
679 | if (texceptfdsp != NULL) | |
680 | { | |
681 | exceptfds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) texceptfdsp)); | |
682 | translate_endian((void *) &exceptfds, sizeof(exceptfds)); | |
683 | hexceptfdsp = &exceptfds; | |
684 | } | |
685 | else | |
686 | hexceptfdsp = NULL; | |
687 | ||
688 | ttimeoutp = (struct timeval *) arg5; | |
689 | timeout = *((struct timeval *) t2h_addr(cb, &s, (unsigned int) ttimeoutp)); | |
690 | translate_endian((void *) &timeout, sizeof(timeout)); | |
691 | ||
692 | result = select(n, hreadfdsp, hwritefdsp, hexceptfdsp, &timeout); | |
693 | errcode = errno; | |
694 | ||
695 | if (result != 0) | |
696 | break; | |
697 | ||
698 | if (treadfdsp != NULL) | |
699 | { | |
700 | translate_endian((void *) &readfds, sizeof(readfds)); | |
701 | if ((s.write_mem) (cb, &s, (unsigned long) treadfdsp, | |
702 | (char *) &readfds, sizeof(readfds)) != sizeof(readfds)) | |
703 | { | |
704 | result = -1; | |
705 | errcode = EINVAL; | |
706 | } | |
707 | } | |
708 | ||
709 | if (twritefdsp != NULL) | |
710 | { | |
711 | translate_endian((void *) &writefds, sizeof(writefds)); | |
712 | if ((s.write_mem) (cb, &s, (unsigned long) twritefdsp, | |
713 | (char *) &writefds, sizeof(writefds)) != sizeof(writefds)) | |
714 | { | |
715 | result = -1; | |
716 | errcode = EINVAL; | |
717 | } | |
718 | } | |
719 | ||
720 | if (texceptfdsp != NULL) | |
721 | { | |
722 | translate_endian((void *) &exceptfds, sizeof(exceptfds)); | |
723 | if ((s.write_mem) (cb, &s, (unsigned long) texceptfdsp, | |
724 | (char *) &exceptfds, sizeof(exceptfds)) != sizeof(exceptfds)) | |
725 | { | |
726 | result = -1; | |
727 | errcode = EINVAL; | |
728 | } | |
729 | } | |
730 | ||
731 | translate_endian((void *) &timeout, sizeof(timeout)); | |
732 | if ((s.write_mem) (cb, &s, (unsigned long) ttimeoutp, | |
733 | (char *) &timeout, sizeof(timeout)) != sizeof(timeout)) | |
734 | { | |
735 | result = -1; | |
736 | errcode = EINVAL; | |
737 | } | |
738 | } | |
739 | break; | |
740 | ||
741 | case __NR_symlink: | |
742 | result = symlink((char *) t2h_addr(cb, &s, arg1), | |
743 | (char *) t2h_addr(cb, &s, arg2)); | |
744 | errcode = errno; | |
745 | break; | |
746 | ||
747 | case __NR_readlink: | |
748 | result = readlink((char *) t2h_addr(cb, &s, arg1), | |
749 | (char *) t2h_addr(cb, &s, arg2), | |
750 | arg3); | |
751 | errcode = errno; | |
752 | break; | |
753 | ||
754 | case __NR_readdir: | |
755 | result = (int) readdir((DIR *) t2h_addr(cb, &s, arg1)); | |
756 | errcode = errno; | |
757 | break; | |
758 | ||
759 | #if 0 | |
760 | case __NR_mmap: | |
761 | { | |
762 | result = (int) mmap((void *) t2h_addr(cb, &s, arg1), | |
763 | arg2, arg3, arg4, arg5, arg6); | |
764 | errcode = errno; | |
765 | ||
766 | if (errno == 0) | |
767 | { | |
768 | sim_core_attach (sd, NULL, | |
769 | 0, access_read_write_exec, 0, | |
770 | result, arg2, 0, NULL, NULL); | |
771 | } | |
772 | } | |
773 | break; | |
774 | #endif | |
775 | case __NR_mmap: | |
776 | { | |
777 | void *addr; | |
778 | size_t len; | |
779 | int prot, flags, fildes; | |
780 | off_t off; | |
781 | ||
782 | addr = *((void **) t2h_addr(cb, &s, arg1)); | |
783 | len = *((size_t *) t2h_addr(cb, &s, arg1 + 4)); | |
784 | prot = *((int *) t2h_addr(cb, &s, arg1 + 8)); | |
785 | flags = *((int *) t2h_addr(cb, &s, arg1 + 12)); | |
786 | fildes = *((int *) t2h_addr(cb, &s, arg1 + 16)); | |
787 | off = *((off_t *) t2h_addr(cb, &s, arg1 + 20)); | |
788 | ||
789 | addr = (void *) conv_endian((unsigned int) addr); | |
790 | len = conv_endian(len); | |
791 | prot = conv_endian(prot); | |
792 | flags = conv_endian(flags); | |
793 | fildes = conv_endian(fildes); | |
794 | off = conv_endian(off); | |
795 | ||
796 | //addr = (void *) t2h_addr(cb, &s, (unsigned int) addr); | |
797 | result = (int) mmap(addr, len, prot, flags, fildes, off); | |
798 | errcode = errno; | |
799 | ||
800 | //if (errno == 0) | |
801 | if (result != -1) | |
802 | { | |
803 | char c; | |
804 | if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0) | |
805 | sim_core_attach (sd, NULL, | |
806 | 0, access_read_write_exec, 0, | |
807 | result, len, 0, NULL, NULL); | |
808 | } | |
809 | } | |
810 | break; | |
811 | ||
812 | case __NR_munmap: | |
813 | { | |
814 | result = munmap((void *)arg1, arg2); | |
815 | errcode = errno; | |
816 | if (result != -1) | |
817 | { | |
818 | sim_core_detach (sd, NULL, 0, arg2, result); | |
819 | } | |
820 | } | |
821 | break; | |
822 | ||
823 | case __NR_truncate: | |
824 | result = truncate((char *) t2h_addr(cb, &s, arg1), arg2); | |
825 | errcode = errno; | |
826 | break; | |
827 | ||
828 | case __NR_ftruncate: | |
829 | result = ftruncate(arg1, arg2); | |
830 | errcode = errno; | |
831 | break; | |
832 | ||
833 | case __NR_fchmod: | |
834 | result = fchmod(arg1, arg2); | |
835 | errcode = errno; | |
836 | break; | |
837 | ||
838 | case __NR_fchown: | |
839 | result = fchown(arg1, arg2, arg3); | |
840 | errcode = errno; | |
841 | break; | |
842 | ||
843 | case __NR_statfs: | |
844 | { | |
845 | struct statfs statbuf; | |
846 | ||
847 | result = statfs((char *) t2h_addr(cb, &s, arg1), &statbuf); | |
848 | errcode = errno; | |
849 | ||
850 | if (result != 0) | |
851 | break; | |
852 | ||
853 | translate_endian((void *) &statbuf, sizeof(statbuf)); | |
854 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
855 | != sizeof(statbuf)) | |
856 | { | |
857 | result = -1; | |
858 | errcode = EINVAL; | |
859 | } | |
860 | } | |
861 | break; | |
862 | ||
863 | case __NR_fstatfs: | |
864 | { | |
865 | struct statfs statbuf; | |
866 | ||
867 | result = fstatfs(arg1, &statbuf); | |
868 | errcode = errno; | |
869 | ||
870 | if (result != 0) | |
871 | break; | |
872 | ||
873 | translate_endian((void *) &statbuf, sizeof(statbuf)); | |
874 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
875 | != sizeof(statbuf)) | |
876 | { | |
877 | result = -1; | |
878 | errcode = EINVAL; | |
879 | } | |
880 | } | |
881 | break; | |
882 | ||
883 | case __NR_syslog: | |
884 | result = syslog(arg1, (char *) t2h_addr(cb, &s, arg2)); | |
885 | errcode = errno; | |
886 | break; | |
887 | ||
888 | case __NR_setitimer: | |
889 | { | |
890 | struct itimerval value, ovalue; | |
891 | ||
892 | value = *((struct itimerval *) t2h_addr(cb, &s, arg2)); | |
893 | translate_endian((void *) &value, sizeof(value)); | |
894 | ||
895 | if (arg2 == 0) | |
896 | { | |
897 | result = setitimer(arg1, &value, NULL); | |
898 | errcode = errno; | |
899 | } | |
900 | else | |
901 | { | |
902 | result = setitimer(arg1, &value, &ovalue); | |
903 | errcode = errno; | |
904 | ||
905 | if (result != 0) | |
906 | break; | |
907 | ||
908 | translate_endian((void *) &ovalue, sizeof(ovalue)); | |
909 | if ((s.write_mem) (cb, &s, arg3, (char *) &ovalue, sizeof(ovalue)) | |
910 | != sizeof(ovalue)) | |
911 | { | |
912 | result = -1; | |
913 | errcode = EINVAL; | |
914 | } | |
915 | } | |
916 | } | |
917 | break; | |
918 | ||
919 | case __NR_getitimer: | |
920 | { | |
921 | struct itimerval value; | |
922 | ||
923 | result = getitimer(arg1, &value); | |
924 | errcode = errno; | |
925 | ||
926 | if (result != 0) | |
927 | break; | |
928 | ||
929 | translate_endian((void *) &value, sizeof(value)); | |
930 | if ((s.write_mem) (cb, &s, arg2, (char *) &value, sizeof(value)) | |
931 | != sizeof(value)) | |
932 | { | |
933 | result = -1; | |
934 | errcode = EINVAL; | |
935 | } | |
936 | } | |
937 | break; | |
938 | ||
939 | case __NR_stat: | |
940 | { | |
941 | char *buf; | |
942 | int buflen; | |
943 | struct stat statbuf; | |
944 | ||
945 | result = stat((char *) t2h_addr(cb, &s, arg1), &statbuf); | |
946 | errcode = errno; | |
947 | if (result < 0) | |
948 | break; | |
949 | ||
950 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
951 | buf = xmalloc (buflen); | |
952 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
953 | { | |
954 | /* The translation failed. This is due to an internal | |
955 | host program error, not the target's fault. */ | |
956 | free (buf); | |
957 | result = -1; | |
958 | errcode = ENOSYS; | |
959 | break; | |
960 | } | |
961 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
962 | { | |
963 | free (buf); | |
964 | result = -1; | |
965 | errcode = EINVAL; | |
966 | break; | |
967 | } | |
968 | free (buf); | |
969 | } | |
970 | break; | |
971 | ||
972 | case __NR_lstat: | |
973 | { | |
974 | char *buf; | |
975 | int buflen; | |
976 | struct stat statbuf; | |
977 | ||
978 | result = lstat((char *) t2h_addr(cb, &s, arg1), &statbuf); | |
979 | errcode = errno; | |
980 | if (result < 0) | |
981 | break; | |
982 | ||
983 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
984 | buf = xmalloc (buflen); | |
985 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
986 | { | |
987 | /* The translation failed. This is due to an internal | |
988 | host program error, not the target's fault. */ | |
989 | free (buf); | |
990 | result = -1; | |
991 | errcode = ENOSYS; | |
992 | break; | |
993 | } | |
994 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
995 | { | |
996 | free (buf); | |
997 | result = -1; | |
998 | errcode = EINVAL; | |
999 | break; | |
1000 | } | |
1001 | free (buf); | |
1002 | } | |
1003 | break; | |
1004 | ||
1005 | case __NR_fstat: | |
1006 | { | |
1007 | char *buf; | |
1008 | int buflen; | |
1009 | struct stat statbuf; | |
1010 | ||
1011 | result = fstat(arg1, &statbuf); | |
1012 | errcode = errno; | |
1013 | if (result < 0) | |
1014 | break; | |
1015 | ||
1016 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
1017 | buf = xmalloc (buflen); | |
1018 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
1019 | { | |
1020 | /* The translation failed. This is due to an internal | |
1021 | host program error, not the target's fault. */ | |
1022 | free (buf); | |
1023 | result = -1; | |
1024 | errcode = ENOSYS; | |
1025 | break; | |
1026 | } | |
1027 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
1028 | { | |
1029 | free (buf); | |
1030 | result = -1; | |
1031 | errcode = EINVAL; | |
1032 | break; | |
1033 | } | |
1034 | free (buf); | |
1035 | } | |
1036 | break; | |
1037 | ||
1038 | case __NR_sysinfo: | |
1039 | { | |
1040 | struct sysinfo info; | |
1041 | ||
1042 | result = sysinfo(&info); | |
1043 | errcode = errno; | |
1044 | ||
1045 | if (result != 0) | |
1046 | break; | |
1047 | ||
1048 | info.uptime = conv_endian(info.uptime); | |
1049 | info.loads[0] = conv_endian(info.loads[0]); | |
1050 | info.loads[1] = conv_endian(info.loads[1]); | |
1051 | info.loads[2] = conv_endian(info.loads[2]); | |
1052 | info.totalram = conv_endian(info.totalram); | |
1053 | info.freeram = conv_endian(info.freeram); | |
1054 | info.sharedram = conv_endian(info.sharedram); | |
1055 | info.bufferram = conv_endian(info.bufferram); | |
1056 | info.totalswap = conv_endian(info.totalswap); | |
1057 | info.freeswap = conv_endian(info.freeswap); | |
1058 | info.procs = conv_endian16(info.procs); | |
1059 | #if LINUX_VERSION_CODE >= 0x20400 | |
1060 | info.totalhigh = conv_endian(info.totalhigh); | |
1061 | info.freehigh = conv_endian(info.freehigh); | |
1062 | info.mem_unit = conv_endian(info.mem_unit); | |
1063 | #endif | |
1064 | if ((s.write_mem) (cb, &s, arg1, (char *) &info, sizeof(info)) | |
1065 | != sizeof(info)) | |
1066 | { | |
1067 | result = -1; | |
1068 | errcode = EINVAL; | |
1069 | } | |
1070 | } | |
1071 | break; | |
1072 | ||
1073 | #if 0 | |
1074 | case __NR_ipc: | |
1075 | { | |
1076 | result = ipc(arg1, arg2, arg3, arg4, | |
1077 | (void *) t2h_addr(cb, &s, arg5), arg6); | |
1078 | errcode = errno; | |
1079 | } | |
1080 | break; | |
1081 | #endif | |
1082 | ||
1083 | case __NR_fsync: | |
1084 | result = fsync(arg1); | |
1085 | errcode = errno; | |
1086 | break; | |
1087 | ||
1088 | case __NR_uname: | |
1089 | /* utsname contains only arrays of char, so it is not necessary | |
1090 | to translate endian. */ | |
1091 | result = uname((struct utsname *) t2h_addr(cb, &s, arg1)); | |
1092 | errcode = errno; | |
1093 | break; | |
1094 | ||
1095 | case __NR_adjtimex: | |
1096 | { | |
1097 | struct timex buf; | |
1098 | ||
1099 | result = adjtimex(&buf); | |
1100 | errcode = errno; | |
1101 | ||
1102 | if (result != 0) | |
1103 | break; | |
1104 | ||
1105 | translate_endian((void *) &buf, sizeof(buf)); | |
1106 | if ((s.write_mem) (cb, &s, arg1, (char *) &buf, sizeof(buf)) | |
1107 | != sizeof(buf)) | |
1108 | { | |
1109 | result = -1; | |
1110 | errcode = EINVAL; | |
1111 | } | |
1112 | } | |
1113 | break; | |
1114 | ||
1115 | case __NR_mprotect: | |
1116 | result = mprotect((void *) arg1, arg2, arg3); | |
1117 | errcode = errno; | |
1118 | break; | |
1119 | ||
1120 | case __NR_get_kernel_syms: | |
1121 | { | |
1122 | struct kernel_sym table; | |
1123 | ||
1124 | result = get_kernel_syms(&table); | |
1125 | errcode = errno; | |
1126 | ||
1127 | if (result != 0) | |
1128 | break; | |
1129 | ||
1130 | table.value = conv_endian(table.value); | |
1131 | if ((s.write_mem) (cb, &s, arg1, (char *) &table, sizeof(table)) | |
1132 | != sizeof(table)) | |
1133 | { | |
1134 | result = -1; | |
1135 | errcode = EINVAL; | |
1136 | } | |
1137 | } | |
1138 | break; | |
1139 | ||
1140 | case __NR_fchdir: | |
1141 | result = fchdir(arg1); | |
1142 | errcode = errno; | |
1143 | break; | |
1144 | ||
1145 | case __NR_setfsuid: | |
1146 | result = setfsuid(arg1); | |
1147 | errcode = errno; | |
1148 | break; | |
1149 | ||
1150 | case __NR_setfsgid: | |
1151 | result = setfsgid(arg1); | |
1152 | errcode = errno; | |
1153 | break; | |
1154 | ||
1155 | #if 0 | |
1156 | case __NR__llseek: | |
1157 | { | |
1158 | loff_t buf; | |
1159 | ||
1160 | result = _llseek(arg1, arg2, arg3, &buf, arg5); | |
1161 | errcode = errno; | |
1162 | ||
1163 | if (result != 0) | |
1164 | break; | |
1165 | ||
1166 | translate_endian((void *) &buf, sizeof(buf)); | |
1167 | if ((s.write_mem) (cb, &s, t2h_addr(cb, &s, arg4), | |
1168 | (char *) &buf, sizeof(buf)) != sizeof(buf)) | |
1169 | { | |
1170 | result = -1; | |
1171 | errcode = EINVAL; | |
1172 | } | |
1173 | } | |
1174 | break; | |
1175 | ||
1176 | case __NR_getdents: | |
1177 | { | |
1178 | struct dirent dir; | |
1179 | ||
1180 | result = getdents(arg1, &dir, arg3); | |
1181 | errcode = errno; | |
1182 | ||
1183 | if (result != 0) | |
1184 | break; | |
1185 | ||
1186 | dir.d_ino = conv_endian(dir.d_ino); | |
1187 | dir.d_off = conv_endian(dir.d_off); | |
1188 | dir.d_reclen = conv_endian16(dir.d_reclen); | |
1189 | if ((s.write_mem) (cb, &s, arg2, (char *) &dir, sizeof(dir)) | |
1190 | != sizeof(dir)) | |
1191 | { | |
1192 | result = -1; | |
1193 | errcode = EINVAL; | |
1194 | } | |
1195 | } | |
1196 | break; | |
1197 | #endif | |
1198 | ||
1199 | case __NR_flock: | |
1200 | result = flock(arg1, arg2); | |
1201 | errcode = errno; | |
1202 | break; | |
1203 | ||
1204 | case __NR_msync: | |
1205 | result = msync((void *) arg1, arg2, arg3); | |
1206 | errcode = errno; | |
1207 | break; | |
1208 | ||
1209 | case __NR_readv: | |
1210 | { | |
1211 | struct iovec vector; | |
1212 | ||
1213 | vector = *((struct iovec *) t2h_addr(cb, &s, arg2)); | |
1214 | translate_endian((void *) &vector, sizeof(vector)); | |
1215 | ||
1216 | result = readv(arg1, &vector, arg3); | |
1217 | errcode = errno; | |
1218 | } | |
1219 | break; | |
1220 | ||
1221 | case __NR_writev: | |
1222 | { | |
1223 | struct iovec vector; | |
1224 | ||
1225 | vector = *((struct iovec *) t2h_addr(cb, &s, arg2)); | |
1226 | translate_endian((void *) &vector, sizeof(vector)); | |
1227 | ||
1228 | result = writev(arg1, &vector, arg3); | |
1229 | errcode = errno; | |
1230 | } | |
1231 | break; | |
1232 | ||
1233 | case __NR_fdatasync: | |
1234 | result = fdatasync(arg1); | |
1235 | errcode = errno; | |
1236 | break; | |
1237 | ||
1238 | case __NR_mlock: | |
1239 | result = mlock((void *) t2h_addr(cb, &s, arg1), arg2); | |
1240 | errcode = errno; | |
1241 | break; | |
1242 | ||
1243 | case __NR_munlock: | |
1244 | result = munlock((void *) t2h_addr(cb, &s, arg1), arg2); | |
1245 | errcode = errno; | |
1246 | break; | |
1247 | ||
1248 | case __NR_nanosleep: | |
1249 | { | |
1250 | struct timespec req, rem; | |
1251 | ||
1252 | req = *((struct timespec *) t2h_addr(cb, &s, arg2)); | |
1253 | translate_endian((void *) &req, sizeof(req)); | |
1254 | ||
1255 | result = nanosleep(&req, &rem); | |
1256 | errcode = errno; | |
1257 | ||
1258 | if (result != 0) | |
1259 | break; | |
1260 | ||
1261 | translate_endian((void *) &rem, sizeof(rem)); | |
1262 | if ((s.write_mem) (cb, &s, arg2, (char *) &rem, sizeof(rem)) | |
1263 | != sizeof(rem)) | |
1264 | { | |
1265 | result = -1; | |
1266 | errcode = EINVAL; | |
1267 | } | |
1268 | } | |
1269 | break; | |
1270 | ||
1271 | case __NR_mremap: /* FIXME */ | |
1272 | result = (int) mremap((void *) t2h_addr(cb, &s, arg1), arg2, arg3, arg4); | |
1273 | errcode = errno; | |
1274 | break; | |
1275 | ||
1276 | case __NR_getresuid: | |
1277 | { | |
1278 | uid_t ruid, euid, suid; | |
1279 | ||
1280 | result = getresuid(&ruid, &euid, &suid); | |
1281 | errcode = errno; | |
1282 | ||
1283 | if (result != 0) | |
1284 | break; | |
1285 | ||
1286 | *((uid_t *) t2h_addr(cb, &s, arg1)) = conv_endian(ruid); | |
1287 | *((uid_t *) t2h_addr(cb, &s, arg2)) = conv_endian(euid); | |
1288 | *((uid_t *) t2h_addr(cb, &s, arg3)) = conv_endian(suid); | |
1289 | } | |
1290 | break; | |
1291 | ||
1292 | case __NR_poll: | |
1293 | { | |
1294 | struct pollfd ufds; | |
1295 | ||
1296 | ufds = *((struct pollfd *) t2h_addr(cb, &s, arg1)); | |
1297 | ufds.fd = conv_endian(ufds.fd); | |
1298 | ufds.events = conv_endian16(ufds.events); | |
1299 | ufds.revents = conv_endian16(ufds.revents); | |
1300 | ||
1301 | result = poll(&ufds, arg2, arg3); | |
1302 | errcode = errno; | |
1303 | } | |
1304 | break; | |
1305 | ||
1306 | case __NR_getresgid: | |
1307 | { | |
1308 | uid_t rgid, egid, sgid; | |
1309 | ||
1310 | result = getresgid(&rgid, &egid, &sgid); | |
1311 | errcode = errno; | |
1312 | ||
1313 | if (result != 0) | |
1314 | break; | |
1315 | ||
1316 | *((uid_t *) t2h_addr(cb, &s, arg1)) = conv_endian(rgid); | |
1317 | *((uid_t *) t2h_addr(cb, &s, arg2)) = conv_endian(egid); | |
1318 | *((uid_t *) t2h_addr(cb, &s, arg3)) = conv_endian(sgid); | |
1319 | } | |
1320 | break; | |
1321 | ||
1322 | case __NR_pread: | |
1323 | result = pread(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4); | |
1324 | errcode = errno; | |
1325 | break; | |
1326 | ||
1327 | case __NR_pwrite: | |
1328 | result = pwrite(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4); | |
1329 | errcode = errno; | |
1330 | break; | |
1331 | ||
1332 | case __NR_chown: | |
1333 | result = chown((char *) t2h_addr(cb, &s, arg1), arg2, arg3); | |
1334 | errcode = errno; | |
1335 | break; | |
1336 | ||
1337 | case __NR_getcwd: | |
1338 | result = (int) getcwd((char *) t2h_addr(cb, &s, arg1), arg2); | |
1339 | errcode = errno; | |
1340 | break; | |
1341 | ||
1342 | case __NR_sendfile: | |
1343 | { | |
1344 | off_t offset; | |
1345 | ||
1346 | offset = *((off_t *) t2h_addr(cb, &s, arg3)); | |
1347 | offset = conv_endian(offset); | |
1348 | ||
1349 | result = sendfile(arg1, arg2, &offset, arg3); | |
1350 | errcode = errno; | |
1351 | ||
1352 | if (result != 0) | |
1353 | break; | |
1354 | ||
1355 | *((off_t *) t2h_addr(cb, &s, arg3)) = conv_endian(offset); | |
1356 | } | |
1357 | break; | |
1358 | ||
1359 | default: | |
1360 | result = -1; | |
1361 | errcode = ENOSYS; | |
1362 | break; | |
1363 | } | |
1364 | ||
1365 | if (result == -1) | |
1366 | m32rbf_h_gr_set (current_cpu, 0, -errcode); | |
1367 | else | |
1368 | m32rbf_h_gr_set (current_cpu, 0, result); | |
1369 | break; | |
1370 | } | |
1371 | ||
1372 | case TRAP_BREAKPOINT: | |
1373 | sim_engine_halt (sd, current_cpu, NULL, pc, | |
1374 | sim_stopped, SIM_SIGTRAP); | |
1375 | break; | |
1376 | ||
1377 | case TRAP_FLUSH_CACHE: | |
1378 | /* Do nothing. */ | |
1379 | break; | |
1380 | ||
1381 | default : | |
1382 | { | |
1383 | /* Use cr5 as EVB (EIT Vector Base) register. */ | |
1384 | USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4; | |
1385 | return new_pc; | |
1386 | } | |
1387 | } | |
1388 | ||
1389 | /* Fake an "rte" insn. */ | |
1390 | /* FIXME: Should duplicate all of rte processing. */ | |
1391 | return (pc & -4) + 4; | |
1392 | } |