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Commit | Line | Data |
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c906108c | 1 | /* m32r exception, interrupt, and trap (EIT) support |
213516ef | 2 | Copyright (C) 1998-2023 Free Software Foundation, Inc. |
fe41f721 | 3 | Contributed by Cygnus Solutions & Renesas. |
c906108c | 4 | |
16b47b25 | 5 | This file is part of GDB, the GNU debugger. |
c906108c | 6 | |
16b47b25 NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
4744ac1b JB |
9 | the Free Software Foundation; either version 3 of the License, or |
10 | (at your option) any later version. | |
c906108c | 11 | |
16b47b25 NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
4744ac1b JB |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
c906108c | 19 | |
6df01ab8 MF |
20 | /* This must come before any other includes. */ |
21 | #include "defs.h" | |
22 | ||
fe41f721 | 23 | #include "portability.h" |
c906108c | 24 | #include "sim-main.h" |
1fef66b0 | 25 | #include "sim-signal.h" |
61a0c964 | 26 | #include "sim-syscall.h" |
fe41f721 MF |
27 | #include "sim/callback.h" |
28 | #include "syscall.h" | |
fe41f721 MF |
29 | #include <dirent.h> |
30 | #include <errno.h> | |
31 | #include <fcntl.h> | |
32a046ab | 32 | #include <stdlib.h> |
fe41f721 MF |
33 | #include <time.h> |
34 | #include <unistd.h> | |
35 | #include <utime.h> | |
fe7f0b01 MF |
36 | /* TODO: The Linux syscall emulation needs work to support non-Linux hosts. |
37 | Use an OS hack for now so the CPU emulation is available everywhere. | |
38 | NB: The emulation is also missing argument conversion (endian & bitsize) | |
39 | even on Linux hosts. */ | |
40 | #ifdef __linux__ | |
fe41f721 MF |
41 | #include <sys/mman.h> |
42 | #include <sys/poll.h> | |
43 | #include <sys/resource.h> | |
44 | #include <sys/sysinfo.h> | |
45 | #include <sys/stat.h> | |
46 | #include <sys/time.h> | |
47 | #include <sys/timeb.h> | |
48 | #include <sys/timex.h> | |
49 | #include <sys/types.h> | |
50 | #include <sys/uio.h> | |
51 | #include <sys/utsname.h> | |
52 | #include <sys/vfs.h> | |
53 | #include <linux/sysctl.h> | |
54 | #include <linux/types.h> | |
55 | #include <linux/unistd.h> | |
fe7f0b01 | 56 | #endif |
c906108c | 57 | |
f51d9c6a MF |
58 | #include "m32r-sim.h" |
59 | ||
fe41f721 | 60 | #define TRAP_LINUX_SYSCALL 2 |
16b47b25 | 61 | #define TRAP_FLUSH_CACHE 12 |
0b2e03b4 | 62 | /* The semantic code invokes this for invalid (unrecognized) instructions. */ |
c906108c | 63 | |
16b47b25 NC |
64 | SEM_PC |
65 | sim_engine_invalid_insn (SIM_CPU *current_cpu, IADDR cia, SEM_PC pc) | |
c906108c SS |
66 | { |
67 | SIM_DESC sd = CPU_STATE (current_cpu); | |
68 | ||
69 | #if 0 | |
70 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
71 | { | |
72 | h_bsm_set (current_cpu, h_sm_get (current_cpu)); | |
73 | h_bie_set (current_cpu, h_ie_get (current_cpu)); | |
74 | h_bcond_set (current_cpu, h_cond_get (current_cpu)); | |
75 | /* sm not changed */ | |
76 | h_ie_set (current_cpu, 0); | |
77 | h_cond_set (current_cpu, 0); | |
78 | ||
79 | h_bpc_set (current_cpu, cia); | |
80 | ||
81 | sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, | |
82 | EIT_RSVD_INSN_ADDR); | |
83 | } | |
84 | else | |
85 | #endif | |
86 | sim_engine_halt (sd, current_cpu, NULL, cia, sim_stopped, SIM_SIGILL); | |
16b47b25 NC |
87 | |
88 | return pc; | |
c906108c SS |
89 | } |
90 | ||
91 | /* Process an address exception. */ | |
92 | ||
93 | void | |
94 | m32r_core_signal (SIM_DESC sd, SIM_CPU *current_cpu, sim_cia cia, | |
95 | unsigned int map, int nr_bytes, address_word addr, | |
96 | transfer_type transfer, sim_core_signals sig) | |
97 | { | |
98 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
99 | { | |
16b47b25 NC |
100 | m32rbf_h_cr_set (current_cpu, H_CR_BBPC, |
101 | m32rbf_h_cr_get (current_cpu, H_CR_BPC)); | |
102 | switch (MACH_NUM (CPU_MACH (current_cpu))) | |
103 | { | |
104 | case MACH_M32R: | |
105 | m32rbf_h_bpsw_set (current_cpu, m32rbf_h_psw_get (current_cpu)); | |
106 | /* sm not changed. */ | |
107 | m32rbf_h_psw_set (current_cpu, m32rbf_h_psw_get (current_cpu) & 0x80); | |
108 | break; | |
109 | case MACH_M32RX: | |
110 | m32rxf_h_bpsw_set (current_cpu, m32rxf_h_psw_get (current_cpu)); | |
111 | /* sm not changed. */ | |
112 | m32rxf_h_psw_set (current_cpu, m32rxf_h_psw_get (current_cpu) & 0x80); | |
113 | break; | |
114 | case MACH_M32R2: | |
115 | m32r2f_h_bpsw_set (current_cpu, m32r2f_h_psw_get (current_cpu)); | |
116 | /* sm not changed. */ | |
117 | m32r2f_h_psw_set (current_cpu, m32r2f_h_psw_get (current_cpu) & 0x80); | |
118 | break; | |
119 | default: | |
120 | abort (); | |
121 | } | |
fe41f721 | 122 | |
16b47b25 | 123 | m32rbf_h_cr_set (current_cpu, H_CR_BPC, cia); |
c906108c SS |
124 | |
125 | sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, | |
126 | EIT_ADDR_EXCP_ADDR); | |
127 | } | |
128 | else | |
129 | sim_core_signal (sd, current_cpu, cia, map, nr_bytes, addr, | |
130 | transfer, sig); | |
131 | } | |
132 | \f | |
fe41f721 MF |
133 | /* Translate target's address to host's address. */ |
134 | ||
135 | static void * | |
136 | t2h_addr (host_callback *cb, struct cb_syscall *sc, | |
137 | unsigned long taddr) | |
138 | { | |
139 | void *addr; | |
140 | SIM_DESC sd = (SIM_DESC) sc->p1; | |
141 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
142 | ||
143 | if (taddr == 0) | |
144 | return NULL; | |
145 | ||
146 | return sim_core_trans_addr (sd, cpu, read_map, taddr); | |
147 | } | |
148 | ||
149 | /* TODO: These functions are a big hack and assume that the host runtime has | |
150 | type sizes and struct layouts that match the target. So the Linux emulation | |
151 | probaly only really works in 32-bit runtimes. */ | |
152 | ||
153 | static void | |
154 | translate_endian_h2t (void *addr, size_t size) | |
155 | { | |
156 | unsigned int *p = (unsigned int *) addr; | |
157 | int i; | |
158 | ||
159 | for (i = 0; i <= size - 4; i += 4,p++) | |
160 | *p = H2T_4 (*p); | |
161 | ||
162 | if (i <= size - 2) | |
163 | *((unsigned short *) p) = H2T_2 (*((unsigned short *) p)); | |
164 | } | |
165 | ||
166 | static void | |
167 | translate_endian_t2h (void *addr, size_t size) | |
168 | { | |
169 | unsigned int *p = (unsigned int *) addr; | |
170 | int i; | |
171 | ||
172 | for (i = 0; i <= size - 4; i += 4,p++) | |
173 | *p = T2H_4 (*p); | |
174 | ||
175 | if (i <= size - 2) | |
176 | *((unsigned short *) p) = T2H_2 (*((unsigned short *) p)); | |
177 | } | |
178 | ||
c906108c SS |
179 | /* Trap support. |
180 | The result is the pc address to continue at. | |
181 | Preprocessing like saving the various registers has already been done. */ | |
182 | ||
183 | USI | |
184 | m32r_trap (SIM_CPU *current_cpu, PCADDR pc, int num) | |
185 | { | |
186 | SIM_DESC sd = CPU_STATE (current_cpu); | |
187 | host_callback *cb = STATE_CALLBACK (sd); | |
188 | ||
c906108c | 189 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) |
fe41f721 | 190 | goto case_default; |
c906108c SS |
191 | |
192 | switch (num) | |
193 | { | |
fe41f721 | 194 | case TRAP_SYSCALL: |
c906108c | 195 | { |
7d5c6c43 MF |
196 | long result, result2; |
197 | int errcode; | |
198 | ||
199 | sim_syscall_multi (current_cpu, | |
200 | m32rbf_h_gr_get (current_cpu, 0), | |
201 | m32rbf_h_gr_get (current_cpu, 1), | |
202 | m32rbf_h_gr_get (current_cpu, 2), | |
203 | m32rbf_h_gr_get (current_cpu, 3), | |
204 | m32rbf_h_gr_get (current_cpu, 4), | |
205 | &result, &result2, &errcode); | |
206 | ||
207 | m32rbf_h_gr_set (current_cpu, 2, errcode); | |
208 | m32rbf_h_gr_set (current_cpu, 0, result); | |
209 | m32rbf_h_gr_set (current_cpu, 1, result2); | |
c906108c SS |
210 | break; |
211 | } | |
212 | ||
fe7f0b01 | 213 | #ifdef __linux__ |
fe41f721 MF |
214 | case TRAP_LINUX_SYSCALL: |
215 | { | |
216 | CB_SYSCALL s; | |
54af6227 MF |
217 | unsigned int func, arg1, arg2, arg3, arg4, arg5, arg6, arg7; |
218 | int result, result2, errcode; | |
fe41f721 MF |
219 | |
220 | if (STATE_ENVIRONMENT (sd) != USER_ENVIRONMENT) | |
221 | goto case_default; | |
222 | ||
223 | func = m32rbf_h_gr_get (current_cpu, 7); | |
224 | arg1 = m32rbf_h_gr_get (current_cpu, 0); | |
225 | arg2 = m32rbf_h_gr_get (current_cpu, 1); | |
226 | arg3 = m32rbf_h_gr_get (current_cpu, 2); | |
227 | arg4 = m32rbf_h_gr_get (current_cpu, 3); | |
228 | arg5 = m32rbf_h_gr_get (current_cpu, 4); | |
229 | arg6 = m32rbf_h_gr_get (current_cpu, 5); | |
230 | arg7 = m32rbf_h_gr_get (current_cpu, 6); | |
231 | ||
54af6227 MF |
232 | CB_SYSCALL_INIT (&s); |
233 | s.func = func; | |
234 | s.arg1 = arg1; | |
235 | s.arg2 = arg2; | |
236 | s.arg3 = arg3; | |
237 | s.arg4 = arg4; | |
238 | s.arg5 = arg5; | |
239 | s.arg6 = arg6; | |
240 | s.arg7 = arg7; | |
241 | ||
845cbaa9 AM |
242 | s.p1 = sd; |
243 | s.p2 = current_cpu; | |
54af6227 MF |
244 | s.read_mem = sim_syscall_read_mem; |
245 | s.write_mem = sim_syscall_write_mem; | |
246 | ||
247 | result = 0; | |
248 | result2 = 0; | |
249 | errcode = 0; | |
250 | ||
251 | switch (func) | |
252 | { | |
253 | case TARGET_LINUX_SYS_exit: | |
fe41f721 | 254 | sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, arg1); |
54af6227 MF |
255 | break; |
256 | ||
257 | case TARGET_LINUX_SYS_read: | |
258 | result = read (arg1, t2h_addr (cb, &s, arg2), arg3); | |
259 | errcode = errno; | |
260 | break; | |
261 | ||
262 | case TARGET_LINUX_SYS_write: | |
263 | result = write (arg1, t2h_addr (cb, &s, arg2), arg3); | |
264 | errcode = errno; | |
265 | break; | |
266 | ||
267 | case TARGET_LINUX_SYS_open: | |
268 | result = open ((char *) t2h_addr (cb, &s, arg1), arg2, arg3); | |
269 | errcode = errno; | |
270 | break; | |
271 | ||
272 | case TARGET_LINUX_SYS_close: | |
273 | result = close (arg1); | |
274 | errcode = errno; | |
275 | break; | |
276 | ||
277 | case TARGET_LINUX_SYS_creat: | |
278 | result = creat ((char *) t2h_addr (cb, &s, arg1), arg2); | |
279 | errcode = errno; | |
280 | break; | |
281 | ||
282 | case TARGET_LINUX_SYS_link: | |
283 | result = link ((char *) t2h_addr (cb, &s, arg1), | |
284 | (char *) t2h_addr (cb, &s, arg2)); | |
285 | errcode = errno; | |
286 | break; | |
287 | ||
288 | case TARGET_LINUX_SYS_unlink: | |
289 | result = unlink ((char *) t2h_addr (cb, &s, arg1)); | |
290 | errcode = errno; | |
291 | break; | |
292 | ||
293 | case TARGET_LINUX_SYS_chdir: | |
294 | result = chdir ((char *) t2h_addr (cb, &s, arg1)); | |
295 | errcode = errno; | |
296 | break; | |
297 | ||
298 | case TARGET_LINUX_SYS_time: | |
299 | { | |
300 | time_t t; | |
301 | ||
302 | if (arg1 == 0) | |
303 | { | |
304 | result = (int) time (NULL); | |
305 | errcode = errno; | |
306 | } | |
307 | else | |
308 | { | |
309 | result = (int) time (&t); | |
310 | errcode = errno; | |
311 | ||
312 | if (result != 0) | |
313 | break; | |
314 | ||
315 | t = H2T_4 (t); | |
316 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) != sizeof(t)) | |
317 | { | |
318 | result = -1; | |
319 | errcode = EINVAL; | |
320 | } | |
321 | } | |
322 | } | |
323 | break; | |
324 | ||
325 | case TARGET_LINUX_SYS_mknod: | |
326 | result = mknod ((char *) t2h_addr (cb, &s, arg1), | |
327 | (mode_t) arg2, (dev_t) arg3); | |
328 | errcode = errno; | |
329 | break; | |
330 | ||
331 | case TARGET_LINUX_SYS_chmod: | |
332 | result = chmod ((char *) t2h_addr (cb, &s, arg1), (mode_t) arg2); | |
333 | errcode = errno; | |
334 | break; | |
335 | ||
336 | case TARGET_LINUX_SYS_lchown32: | |
337 | case TARGET_LINUX_SYS_lchown: | |
338 | result = lchown ((char *) t2h_addr (cb, &s, arg1), | |
339 | (uid_t) arg2, (gid_t) arg3); | |
340 | errcode = errno; | |
341 | break; | |
342 | ||
343 | case TARGET_LINUX_SYS_lseek: | |
344 | result = (int) lseek (arg1, (off_t) arg2, arg3); | |
345 | errcode = errno; | |
346 | break; | |
347 | ||
348 | case TARGET_LINUX_SYS_getpid: | |
349 | result = getpid (); | |
350 | errcode = errno; | |
351 | break; | |
352 | ||
353 | case TARGET_LINUX_SYS_getuid32: | |
354 | case TARGET_LINUX_SYS_getuid: | |
355 | result = getuid (); | |
356 | errcode = errno; | |
357 | break; | |
358 | ||
359 | case TARGET_LINUX_SYS_utime: | |
360 | { | |
361 | struct utimbuf buf; | |
362 | ||
363 | if (arg2 == 0) | |
364 | { | |
365 | result = utime ((char *) t2h_addr (cb, &s, arg1), NULL); | |
366 | errcode = errno; | |
367 | } | |
368 | else | |
369 | { | |
370 | buf = *((struct utimbuf *) t2h_addr (cb, &s, arg2)); | |
371 | translate_endian_t2h (&buf, sizeof(buf)); | |
372 | result = utime ((char *) t2h_addr (cb, &s, arg1), &buf); | |
373 | errcode = errno; | |
374 | } | |
375 | } | |
376 | break; | |
377 | ||
378 | case TARGET_LINUX_SYS_access: | |
379 | result = access ((char *) t2h_addr (cb, &s, arg1), arg2); | |
380 | errcode = errno; | |
381 | break; | |
382 | ||
383 | case TARGET_LINUX_SYS_ftime: | |
384 | { | |
385 | struct timeb t; | |
386 | ||
387 | result = ftime (&t); | |
388 | errcode = errno; | |
389 | ||
390 | if (result != 0) | |
391 | break; | |
392 | ||
393 | t.time = H2T_4 (t.time); | |
394 | t.millitm = H2T_2 (t.millitm); | |
395 | t.timezone = H2T_2 (t.timezone); | |
396 | t.dstflag = H2T_2 (t.dstflag); | |
397 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) | |
398 | != sizeof(t)) | |
399 | { | |
400 | result = -1; | |
401 | errcode = EINVAL; | |
402 | } | |
403 | } | |
404 | ||
405 | case TARGET_LINUX_SYS_sync: | |
406 | sync (); | |
407 | result = 0; | |
408 | break; | |
409 | ||
410 | case TARGET_LINUX_SYS_rename: | |
411 | result = rename ((char *) t2h_addr (cb, &s, arg1), | |
412 | (char *) t2h_addr (cb, &s, arg2)); | |
413 | errcode = errno; | |
414 | break; | |
415 | ||
416 | case TARGET_LINUX_SYS_mkdir: | |
417 | result = mkdir ((char *) t2h_addr (cb, &s, arg1), arg2); | |
418 | errcode = errno; | |
419 | break; | |
420 | ||
421 | case TARGET_LINUX_SYS_rmdir: | |
422 | result = rmdir ((char *) t2h_addr (cb, &s, arg1)); | |
423 | errcode = errno; | |
424 | break; | |
425 | ||
426 | case TARGET_LINUX_SYS_dup: | |
427 | result = dup (arg1); | |
428 | errcode = errno; | |
429 | break; | |
430 | ||
431 | case TARGET_LINUX_SYS_brk: | |
432 | result = brk ((void *) arg1); | |
433 | errcode = errno; | |
434 | //result = arg1; | |
435 | break; | |
436 | ||
437 | case TARGET_LINUX_SYS_getgid32: | |
438 | case TARGET_LINUX_SYS_getgid: | |
439 | result = getgid (); | |
440 | errcode = errno; | |
441 | break; | |
442 | ||
443 | case TARGET_LINUX_SYS_geteuid32: | |
444 | case TARGET_LINUX_SYS_geteuid: | |
445 | result = geteuid (); | |
446 | errcode = errno; | |
447 | break; | |
448 | ||
449 | case TARGET_LINUX_SYS_getegid32: | |
450 | case TARGET_LINUX_SYS_getegid: | |
451 | result = getegid (); | |
452 | errcode = errno; | |
453 | break; | |
454 | ||
455 | case TARGET_LINUX_SYS_ioctl: | |
456 | result = ioctl (arg1, arg2, arg3); | |
457 | errcode = errno; | |
458 | break; | |
459 | ||
460 | case TARGET_LINUX_SYS_fcntl: | |
461 | result = fcntl (arg1, arg2, arg3); | |
462 | errcode = errno; | |
463 | break; | |
464 | ||
465 | case TARGET_LINUX_SYS_dup2: | |
466 | result = dup2 (arg1, arg2); | |
467 | errcode = errno; | |
468 | break; | |
469 | ||
470 | case TARGET_LINUX_SYS_getppid: | |
471 | result = getppid (); | |
472 | errcode = errno; | |
473 | break; | |
474 | ||
475 | case TARGET_LINUX_SYS_getpgrp: | |
476 | result = getpgrp (); | |
477 | errcode = errno; | |
478 | break; | |
479 | ||
480 | case TARGET_LINUX_SYS_getrlimit: | |
481 | { | |
482 | struct rlimit rlim; | |
483 | ||
484 | result = getrlimit (arg1, &rlim); | |
485 | errcode = errno; | |
486 | ||
487 | if (result != 0) | |
488 | break; | |
489 | ||
490 | translate_endian_h2t (&rlim, sizeof(rlim)); | |
491 | if ((s.write_mem) (cb, &s, arg2, (char *) &rlim, sizeof(rlim)) | |
492 | != sizeof(rlim)) | |
493 | { | |
494 | result = -1; | |
495 | errcode = EINVAL; | |
496 | } | |
497 | } | |
498 | break; | |
499 | ||
500 | case TARGET_LINUX_SYS_getrusage: | |
501 | { | |
502 | struct rusage usage; | |
503 | ||
504 | result = getrusage (arg1, &usage); | |
505 | errcode = errno; | |
506 | ||
507 | if (result != 0) | |
508 | break; | |
509 | ||
510 | translate_endian_h2t (&usage, sizeof(usage)); | |
511 | if ((s.write_mem) (cb, &s, arg2, (char *) &usage, sizeof(usage)) | |
512 | != sizeof(usage)) | |
513 | { | |
514 | result = -1; | |
515 | errcode = EINVAL; | |
516 | } | |
517 | } | |
518 | break; | |
519 | ||
520 | case TARGET_LINUX_SYS_gettimeofday: | |
521 | { | |
522 | struct timeval tv; | |
523 | struct timezone tz; | |
524 | ||
525 | result = gettimeofday (&tv, &tz); | |
526 | errcode = errno; | |
527 | ||
528 | if (result != 0) | |
529 | break; | |
530 | ||
531 | translate_endian_h2t (&tv, sizeof(tv)); | |
532 | if ((s.write_mem) (cb, &s, arg1, (char *) &tv, sizeof(tv)) | |
533 | != sizeof(tv)) | |
534 | { | |
535 | result = -1; | |
536 | errcode = EINVAL; | |
537 | } | |
538 | ||
539 | translate_endian_h2t (&tz, sizeof(tz)); | |
540 | if ((s.write_mem) (cb, &s, arg2, (char *) &tz, sizeof(tz)) | |
541 | != sizeof(tz)) | |
542 | { | |
543 | result = -1; | |
544 | errcode = EINVAL; | |
545 | } | |
546 | } | |
547 | break; | |
548 | ||
549 | case TARGET_LINUX_SYS_getgroups32: | |
550 | case TARGET_LINUX_SYS_getgroups: | |
551 | { | |
45f8296e | 552 | gid_t *list = NULL; |
54af6227 MF |
553 | |
554 | if (arg1 > 0) | |
555 | list = (gid_t *) malloc (arg1 * sizeof(gid_t)); | |
556 | ||
557 | result = getgroups (arg1, list); | |
558 | errcode = errno; | |
559 | ||
560 | if (result != 0) | |
561 | break; | |
562 | ||
563 | translate_endian_h2t (list, arg1 * sizeof(gid_t)); | |
564 | if (arg1 > 0) | |
565 | if ((s.write_mem) (cb, &s, arg2, (char *) list, arg1 * sizeof(gid_t)) | |
566 | != arg1 * sizeof(gid_t)) | |
567 | { | |
568 | result = -1; | |
569 | errcode = EINVAL; | |
570 | } | |
571 | } | |
572 | break; | |
573 | ||
574 | case TARGET_LINUX_SYS_select: | |
575 | { | |
576 | int n; | |
577 | fd_set readfds; | |
578 | fd_set *treadfdsp; | |
579 | fd_set *hreadfdsp; | |
580 | fd_set writefds; | |
581 | fd_set *twritefdsp; | |
582 | fd_set *hwritefdsp; | |
583 | fd_set exceptfds; | |
584 | fd_set *texceptfdsp; | |
585 | fd_set *hexceptfdsp; | |
586 | struct timeval *ttimeoutp; | |
587 | struct timeval timeout; | |
588 | ||
589 | n = arg1; | |
590 | ||
591 | treadfdsp = (fd_set *) arg2; | |
592 | if (treadfdsp != NULL) | |
593 | { | |
594 | readfds = *((fd_set *) t2h_addr (cb, &s, (unsigned int) treadfdsp)); | |
595 | translate_endian_t2h (&readfds, sizeof(readfds)); | |
596 | hreadfdsp = &readfds; | |
597 | } | |
598 | else | |
599 | hreadfdsp = NULL; | |
600 | ||
601 | twritefdsp = (fd_set *) arg3; | |
602 | if (twritefdsp != NULL) | |
603 | { | |
604 | writefds = *((fd_set *) t2h_addr (cb, &s, (unsigned int) twritefdsp)); | |
605 | translate_endian_t2h (&writefds, sizeof(writefds)); | |
606 | hwritefdsp = &writefds; | |
607 | } | |
608 | else | |
609 | hwritefdsp = NULL; | |
610 | ||
611 | texceptfdsp = (fd_set *) arg4; | |
612 | if (texceptfdsp != NULL) | |
613 | { | |
614 | exceptfds = *((fd_set *) t2h_addr (cb, &s, (unsigned int) texceptfdsp)); | |
615 | translate_endian_t2h (&exceptfds, sizeof(exceptfds)); | |
616 | hexceptfdsp = &exceptfds; | |
617 | } | |
618 | else | |
619 | hexceptfdsp = NULL; | |
620 | ||
621 | ttimeoutp = (struct timeval *) arg5; | |
622 | timeout = *((struct timeval *) t2h_addr (cb, &s, (unsigned int) ttimeoutp)); | |
623 | translate_endian_t2h (&timeout, sizeof(timeout)); | |
624 | ||
625 | result = select (n, hreadfdsp, hwritefdsp, hexceptfdsp, &timeout); | |
626 | errcode = errno; | |
627 | ||
628 | if (result != 0) | |
629 | break; | |
630 | ||
631 | if (treadfdsp != NULL) | |
632 | { | |
633 | translate_endian_h2t (&readfds, sizeof(readfds)); | |
634 | if ((s.write_mem) (cb, &s, (unsigned long) treadfdsp, | |
635 | (char *) &readfds, sizeof(readfds)) != sizeof(readfds)) | |
636 | { | |
637 | result = -1; | |
638 | errcode = EINVAL; | |
639 | } | |
640 | } | |
641 | ||
642 | if (twritefdsp != NULL) | |
643 | { | |
644 | translate_endian_h2t (&writefds, sizeof(writefds)); | |
645 | if ((s.write_mem) (cb, &s, (unsigned long) twritefdsp, | |
646 | (char *) &writefds, sizeof(writefds)) != sizeof(writefds)) | |
647 | { | |
648 | result = -1; | |
649 | errcode = EINVAL; | |
650 | } | |
651 | } | |
652 | ||
653 | if (texceptfdsp != NULL) | |
654 | { | |
655 | translate_endian_h2t (&exceptfds, sizeof(exceptfds)); | |
656 | if ((s.write_mem) (cb, &s, (unsigned long) texceptfdsp, | |
657 | (char *) &exceptfds, sizeof(exceptfds)) != sizeof(exceptfds)) | |
658 | { | |
659 | result = -1; | |
660 | errcode = EINVAL; | |
661 | } | |
662 | } | |
663 | ||
664 | translate_endian_h2t (&timeout, sizeof(timeout)); | |
665 | if ((s.write_mem) (cb, &s, (unsigned long) ttimeoutp, | |
666 | (char *) &timeout, sizeof(timeout)) != sizeof(timeout)) | |
667 | { | |
668 | result = -1; | |
669 | errcode = EINVAL; | |
670 | } | |
671 | } | |
672 | break; | |
673 | ||
674 | case TARGET_LINUX_SYS_symlink: | |
675 | result = symlink ((char *) t2h_addr (cb, &s, arg1), | |
676 | (char *) t2h_addr (cb, &s, arg2)); | |
677 | errcode = errno; | |
678 | break; | |
679 | ||
680 | case TARGET_LINUX_SYS_readlink: | |
681 | result = readlink ((char *) t2h_addr (cb, &s, arg1), | |
682 | (char *) t2h_addr (cb, &s, arg2), | |
683 | arg3); | |
684 | errcode = errno; | |
685 | break; | |
686 | ||
687 | case TARGET_LINUX_SYS_readdir: | |
688 | result = (int) readdir ((DIR *) t2h_addr (cb, &s, arg1)); | |
689 | errcode = errno; | |
690 | break; | |
fe41f721 MF |
691 | |
692 | #if 0 | |
54af6227 MF |
693 | case TARGET_LINUX_SYS_mmap: |
694 | { | |
695 | result = (int) mmap ((void *) t2h_addr (cb, &s, arg1), | |
696 | arg2, arg3, arg4, arg5, arg6); | |
697 | errcode = errno; | |
698 | ||
699 | if (errno == 0) | |
700 | { | |
701 | sim_core_attach (sd, NULL, | |
702 | 0, access_read_write_exec, 0, | |
703 | result, arg2, 0, NULL, NULL); | |
704 | } | |
705 | } | |
706 | break; | |
fe41f721 | 707 | #endif |
54af6227 MF |
708 | case TARGET_LINUX_SYS_mmap2: |
709 | { | |
710 | void *addr; | |
711 | size_t len; | |
712 | int prot, flags, fildes; | |
713 | off_t off; | |
714 | ||
715 | addr = (void *) t2h_addr (cb, &s, arg1); | |
716 | len = arg2; | |
717 | prot = arg3; | |
718 | flags = arg4; | |
719 | fildes = arg5; | |
720 | off = arg6 << 12; | |
721 | ||
722 | result = (int) mmap (addr, len, prot, flags, fildes, off); | |
723 | errcode = errno; | |
724 | if (result != -1) | |
725 | { | |
726 | char c; | |
fe41f721 | 727 | if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0) |
54af6227 MF |
728 | sim_core_attach (sd, NULL, |
729 | 0, access_read_write_exec, 0, | |
730 | result, len, 0, NULL, NULL); | |
731 | } | |
732 | } | |
733 | break; | |
734 | ||
735 | case TARGET_LINUX_SYS_mmap: | |
736 | { | |
737 | void *addr; | |
738 | size_t len; | |
739 | int prot, flags, fildes; | |
740 | off_t off; | |
741 | ||
742 | addr = *((void **) t2h_addr (cb, &s, arg1)); | |
743 | len = *((size_t *) t2h_addr (cb, &s, arg1 + 4)); | |
744 | prot = *((int *) t2h_addr (cb, &s, arg1 + 8)); | |
745 | flags = *((int *) t2h_addr (cb, &s, arg1 + 12)); | |
746 | fildes = *((int *) t2h_addr (cb, &s, arg1 + 16)); | |
747 | off = *((off_t *) t2h_addr (cb, &s, arg1 + 20)); | |
748 | ||
749 | addr = (void *) T2H_4 ((unsigned int) addr); | |
750 | len = T2H_4 (len); | |
751 | prot = T2H_4 (prot); | |
752 | flags = T2H_4 (flags); | |
753 | fildes = T2H_4 (fildes); | |
754 | off = T2H_4 (off); | |
755 | ||
756 | //addr = (void *) t2h_addr (cb, &s, (unsigned int) addr); | |
757 | result = (int) mmap (addr, len, prot, flags, fildes, off); | |
758 | errcode = errno; | |
759 | ||
760 | //if (errno == 0) | |
761 | if (result != -1) | |
762 | { | |
763 | char c; | |
fe41f721 | 764 | if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0) |
54af6227 MF |
765 | sim_core_attach (sd, NULL, |
766 | 0, access_read_write_exec, 0, | |
767 | result, len, 0, NULL, NULL); | |
768 | } | |
769 | } | |
770 | break; | |
771 | ||
772 | case TARGET_LINUX_SYS_munmap: | |
773 | result = munmap ((void *)arg1, arg2); | |
774 | errcode = errno; | |
775 | if (result != -1) | |
776 | sim_core_detach (sd, NULL, 0, arg2, result); | |
777 | break; | |
778 | ||
779 | case TARGET_LINUX_SYS_truncate: | |
780 | result = truncate ((char *) t2h_addr (cb, &s, arg1), arg2); | |
781 | errcode = errno; | |
782 | break; | |
783 | ||
784 | case TARGET_LINUX_SYS_ftruncate: | |
785 | result = ftruncate (arg1, arg2); | |
786 | errcode = errno; | |
787 | break; | |
788 | ||
789 | case TARGET_LINUX_SYS_fchmod: | |
790 | result = fchmod (arg1, arg2); | |
791 | errcode = errno; | |
792 | break; | |
793 | ||
794 | case TARGET_LINUX_SYS_fchown32: | |
795 | case TARGET_LINUX_SYS_fchown: | |
796 | result = fchown (arg1, arg2, arg3); | |
797 | errcode = errno; | |
798 | break; | |
799 | ||
800 | case TARGET_LINUX_SYS_statfs: | |
801 | { | |
802 | struct statfs statbuf; | |
803 | ||
804 | result = statfs ((char *) t2h_addr (cb, &s, arg1), &statbuf); | |
805 | errcode = errno; | |
806 | ||
807 | if (result != 0) | |
808 | break; | |
809 | ||
810 | translate_endian_h2t (&statbuf, sizeof(statbuf)); | |
811 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
812 | != sizeof(statbuf)) | |
813 | { | |
814 | result = -1; | |
815 | errcode = EINVAL; | |
816 | } | |
817 | } | |
818 | break; | |
819 | ||
820 | case TARGET_LINUX_SYS_fstatfs: | |
821 | { | |
822 | struct statfs statbuf; | |
823 | ||
824 | result = fstatfs (arg1, &statbuf); | |
825 | errcode = errno; | |
826 | ||
827 | if (result != 0) | |
828 | break; | |
829 | ||
830 | translate_endian_h2t (&statbuf, sizeof(statbuf)); | |
831 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
832 | != sizeof(statbuf)) | |
833 | { | |
834 | result = -1; | |
835 | errcode = EINVAL; | |
836 | } | |
837 | } | |
838 | break; | |
839 | ||
840 | case TARGET_LINUX_SYS_syslog: | |
841 | result = syslog (arg1, (char *) t2h_addr (cb, &s, arg2)); | |
842 | errcode = errno; | |
843 | break; | |
844 | ||
845 | case TARGET_LINUX_SYS_setitimer: | |
846 | { | |
847 | struct itimerval value, ovalue; | |
848 | ||
849 | value = *((struct itimerval *) t2h_addr (cb, &s, arg2)); | |
850 | translate_endian_t2h (&value, sizeof(value)); | |
851 | ||
852 | if (arg2 == 0) | |
853 | { | |
854 | result = setitimer (arg1, &value, NULL); | |
855 | errcode = errno; | |
856 | } | |
857 | else | |
858 | { | |
859 | result = setitimer (arg1, &value, &ovalue); | |
860 | errcode = errno; | |
861 | ||
862 | if (result != 0) | |
863 | break; | |
864 | ||
865 | translate_endian_h2t (&ovalue, sizeof(ovalue)); | |
866 | if ((s.write_mem) (cb, &s, arg3, (char *) &ovalue, sizeof(ovalue)) | |
867 | != sizeof(ovalue)) | |
868 | { | |
869 | result = -1; | |
870 | errcode = EINVAL; | |
871 | } | |
872 | } | |
873 | } | |
874 | break; | |
875 | ||
876 | case TARGET_LINUX_SYS_getitimer: | |
877 | { | |
878 | struct itimerval value; | |
879 | ||
880 | result = getitimer (arg1, &value); | |
881 | errcode = errno; | |
882 | ||
883 | if (result != 0) | |
884 | break; | |
885 | ||
886 | translate_endian_h2t (&value, sizeof(value)); | |
887 | if ((s.write_mem) (cb, &s, arg2, (char *) &value, sizeof(value)) | |
888 | != sizeof(value)) | |
889 | { | |
890 | result = -1; | |
891 | errcode = EINVAL; | |
892 | } | |
893 | } | |
894 | break; | |
895 | ||
896 | case TARGET_LINUX_SYS_stat: | |
897 | { | |
898 | char *buf; | |
899 | int buflen; | |
900 | struct stat statbuf; | |
901 | ||
902 | result = stat ((char *) t2h_addr (cb, &s, arg1), &statbuf); | |
903 | errcode = errno; | |
904 | if (result < 0) | |
905 | break; | |
906 | ||
907 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
908 | buf = xmalloc (buflen); | |
909 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
910 | { | |
911 | /* The translation failed. This is due to an internal | |
912 | host program error, not the target's fault. */ | |
913 | free (buf); | |
914 | result = -1; | |
915 | errcode = ENOSYS; | |
916 | break; | |
917 | } | |
918 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
919 | { | |
920 | free (buf); | |
921 | result = -1; | |
922 | errcode = EINVAL; | |
923 | break; | |
924 | } | |
925 | free (buf); | |
926 | } | |
927 | break; | |
928 | ||
929 | case TARGET_LINUX_SYS_lstat: | |
930 | { | |
931 | char *buf; | |
932 | int buflen; | |
933 | struct stat statbuf; | |
934 | ||
935 | result = lstat ((char *) t2h_addr (cb, &s, arg1), &statbuf); | |
936 | errcode = errno; | |
937 | if (result < 0) | |
938 | break; | |
939 | ||
940 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
941 | buf = xmalloc (buflen); | |
942 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
943 | { | |
944 | /* The translation failed. This is due to an internal | |
945 | host program error, not the target's fault. */ | |
946 | free (buf); | |
947 | result = -1; | |
948 | errcode = ENOSYS; | |
949 | break; | |
950 | } | |
951 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
952 | { | |
953 | free (buf); | |
954 | result = -1; | |
955 | errcode = EINVAL; | |
956 | break; | |
957 | } | |
958 | free (buf); | |
959 | } | |
960 | break; | |
961 | ||
962 | case TARGET_LINUX_SYS_fstat: | |
963 | { | |
964 | char *buf; | |
965 | int buflen; | |
966 | struct stat statbuf; | |
967 | ||
968 | result = fstat (arg1, &statbuf); | |
969 | errcode = errno; | |
970 | if (result < 0) | |
971 | break; | |
972 | ||
973 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
974 | buf = xmalloc (buflen); | |
975 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
976 | { | |
977 | /* The translation failed. This is due to an internal | |
978 | host program error, not the target's fault. */ | |
979 | free (buf); | |
980 | result = -1; | |
981 | errcode = ENOSYS; | |
982 | break; | |
983 | } | |
984 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
985 | { | |
986 | free (buf); | |
987 | result = -1; | |
988 | errcode = EINVAL; | |
989 | break; | |
990 | } | |
991 | free (buf); | |
992 | } | |
993 | break; | |
994 | ||
995 | case TARGET_LINUX_SYS_sysinfo: | |
996 | { | |
997 | struct sysinfo info; | |
998 | ||
999 | result = sysinfo (&info); | |
1000 | errcode = errno; | |
1001 | ||
1002 | if (result != 0) | |
1003 | break; | |
1004 | ||
1005 | info.uptime = H2T_4 (info.uptime); | |
1006 | info.loads[0] = H2T_4 (info.loads[0]); | |
1007 | info.loads[1] = H2T_4 (info.loads[1]); | |
1008 | info.loads[2] = H2T_4 (info.loads[2]); | |
1009 | info.totalram = H2T_4 (info.totalram); | |
1010 | info.freeram = H2T_4 (info.freeram); | |
1011 | info.sharedram = H2T_4 (info.sharedram); | |
1012 | info.bufferram = H2T_4 (info.bufferram); | |
1013 | info.totalswap = H2T_4 (info.totalswap); | |
1014 | info.freeswap = H2T_4 (info.freeswap); | |
1015 | info.procs = H2T_2 (info.procs); | |
fe41f721 | 1016 | #if LINUX_VERSION_CODE >= 0x20400 |
54af6227 MF |
1017 | info.totalhigh = H2T_4 (info.totalhigh); |
1018 | info.freehigh = H2T_4 (info.freehigh); | |
1019 | info.mem_unit = H2T_4 (info.mem_unit); | |
fe41f721 | 1020 | #endif |
54af6227 MF |
1021 | if ((s.write_mem) (cb, &s, arg1, (char *) &info, sizeof(info)) |
1022 | != sizeof(info)) | |
1023 | { | |
1024 | result = -1; | |
1025 | errcode = EINVAL; | |
1026 | } | |
1027 | } | |
1028 | break; | |
fe41f721 MF |
1029 | |
1030 | #if 0 | |
54af6227 MF |
1031 | case TARGET_LINUX_SYS_ipc: |
1032 | { | |
1033 | result = ipc (arg1, arg2, arg3, arg4, | |
1034 | (void *) t2h_addr (cb, &s, arg5), arg6); | |
1035 | errcode = errno; | |
1036 | } | |
1037 | break; | |
fe41f721 MF |
1038 | #endif |
1039 | ||
54af6227 MF |
1040 | case TARGET_LINUX_SYS_fsync: |
1041 | result = fsync (arg1); | |
1042 | errcode = errno; | |
1043 | break; | |
1044 | ||
1045 | case TARGET_LINUX_SYS_uname: | |
1046 | /* utsname contains only arrays of char, so it is not necessary | |
1047 | to translate endian. */ | |
1048 | result = uname ((struct utsname *) t2h_addr (cb, &s, arg1)); | |
1049 | errcode = errno; | |
1050 | break; | |
1051 | ||
1052 | case TARGET_LINUX_SYS_adjtimex: | |
1053 | { | |
1054 | struct timex buf; | |
1055 | ||
1056 | result = adjtimex (&buf); | |
1057 | errcode = errno; | |
1058 | ||
1059 | if (result != 0) | |
1060 | break; | |
1061 | ||
1062 | translate_endian_h2t (&buf, sizeof(buf)); | |
1063 | if ((s.write_mem) (cb, &s, arg1, (char *) &buf, sizeof(buf)) | |
1064 | != sizeof(buf)) | |
1065 | { | |
1066 | result = -1; | |
1067 | errcode = EINVAL; | |
1068 | } | |
1069 | } | |
1070 | break; | |
1071 | ||
1072 | case TARGET_LINUX_SYS_mprotect: | |
1073 | result = mprotect ((void *) arg1, arg2, arg3); | |
1074 | errcode = errno; | |
1075 | break; | |
1076 | ||
1077 | case TARGET_LINUX_SYS_fchdir: | |
1078 | result = fchdir (arg1); | |
1079 | errcode = errno; | |
1080 | break; | |
1081 | ||
1082 | case TARGET_LINUX_SYS_setfsuid32: | |
1083 | case TARGET_LINUX_SYS_setfsuid: | |
1084 | result = setfsuid (arg1); | |
1085 | errcode = errno; | |
1086 | break; | |
1087 | ||
1088 | case TARGET_LINUX_SYS_setfsgid32: | |
1089 | case TARGET_LINUX_SYS_setfsgid: | |
1090 | result = setfsgid (arg1); | |
1091 | errcode = errno; | |
1092 | break; | |
fe41f721 MF |
1093 | |
1094 | #if 0 | |
54af6227 MF |
1095 | case TARGET_LINUX_SYS__llseek: |
1096 | { | |
1097 | loff_t buf; | |
1098 | ||
1099 | result = _llseek (arg1, arg2, arg3, &buf, arg5); | |
1100 | errcode = errno; | |
1101 | ||
1102 | if (result != 0) | |
1103 | break; | |
1104 | ||
1105 | translate_endian_h2t (&buf, sizeof(buf)); | |
1106 | if ((s.write_mem) (cb, &s, t2h_addr (cb, &s, arg4), | |
1107 | (char *) &buf, sizeof(buf)) != sizeof(buf)) | |
1108 | { | |
1109 | result = -1; | |
1110 | errcode = EINVAL; | |
1111 | } | |
1112 | } | |
1113 | break; | |
1114 | ||
1115 | case TARGET_LINUX_SYS_getdents: | |
1116 | { | |
1117 | struct dirent dir; | |
1118 | ||
1119 | result = getdents (arg1, &dir, arg3); | |
1120 | errcode = errno; | |
1121 | ||
1122 | if (result != 0) | |
1123 | break; | |
1124 | ||
1125 | dir.d_ino = H2T_4 (dir.d_ino); | |
1126 | dir.d_off = H2T_4 (dir.d_off); | |
1127 | dir.d_reclen = H2T_2 (dir.d_reclen); | |
1128 | if ((s.write_mem) (cb, &s, arg2, (char *) &dir, sizeof(dir)) | |
1129 | != sizeof(dir)) | |
1130 | { | |
1131 | result = -1; | |
1132 | errcode = EINVAL; | |
1133 | } | |
1134 | } | |
1135 | break; | |
fe41f721 MF |
1136 | #endif |
1137 | ||
54af6227 MF |
1138 | case TARGET_LINUX_SYS_flock: |
1139 | result = flock (arg1, arg2); | |
1140 | errcode = errno; | |
1141 | break; | |
1142 | ||
1143 | case TARGET_LINUX_SYS_msync: | |
1144 | result = msync ((void *) arg1, arg2, arg3); | |
1145 | errcode = errno; | |
1146 | break; | |
1147 | ||
1148 | case TARGET_LINUX_SYS_readv: | |
1149 | { | |
1150 | struct iovec vector; | |
1151 | ||
1152 | vector = *((struct iovec *) t2h_addr (cb, &s, arg2)); | |
1153 | translate_endian_t2h (&vector, sizeof(vector)); | |
1154 | ||
1155 | result = readv (arg1, &vector, arg3); | |
1156 | errcode = errno; | |
1157 | } | |
1158 | break; | |
1159 | ||
1160 | case TARGET_LINUX_SYS_writev: | |
1161 | { | |
1162 | struct iovec vector; | |
1163 | ||
1164 | vector = *((struct iovec *) t2h_addr (cb, &s, arg2)); | |
1165 | translate_endian_t2h (&vector, sizeof(vector)); | |
1166 | ||
1167 | result = writev (arg1, &vector, arg3); | |
1168 | errcode = errno; | |
1169 | } | |
1170 | break; | |
1171 | ||
1172 | case TARGET_LINUX_SYS_fdatasync: | |
1173 | result = fdatasync (arg1); | |
1174 | errcode = errno; | |
1175 | break; | |
1176 | ||
1177 | case TARGET_LINUX_SYS_mlock: | |
1178 | result = mlock ((void *) t2h_addr (cb, &s, arg1), arg2); | |
1179 | errcode = errno; | |
1180 | break; | |
1181 | ||
1182 | case TARGET_LINUX_SYS_munlock: | |
1183 | result = munlock ((void *) t2h_addr (cb, &s, arg1), arg2); | |
1184 | errcode = errno; | |
1185 | break; | |
1186 | ||
1187 | case TARGET_LINUX_SYS_nanosleep: | |
1188 | { | |
1189 | struct timespec req, rem; | |
1190 | ||
1191 | req = *((struct timespec *) t2h_addr (cb, &s, arg2)); | |
1192 | translate_endian_t2h (&req, sizeof(req)); | |
1193 | ||
1194 | result = nanosleep (&req, &rem); | |
1195 | errcode = errno; | |
1196 | ||
1197 | if (result != 0) | |
1198 | break; | |
1199 | ||
1200 | translate_endian_h2t (&rem, sizeof(rem)); | |
1201 | if ((s.write_mem) (cb, &s, arg2, (char *) &rem, sizeof(rem)) | |
1202 | != sizeof(rem)) | |
1203 | { | |
1204 | result = -1; | |
1205 | errcode = EINVAL; | |
1206 | } | |
1207 | } | |
1208 | break; | |
1209 | ||
1210 | case TARGET_LINUX_SYS_mremap: /* FIXME */ | |
1211 | result = (int) mremap ((void *) t2h_addr (cb, &s, arg1), arg2, arg3, arg4); | |
1212 | errcode = errno; | |
1213 | break; | |
1214 | ||
1215 | case TARGET_LINUX_SYS_getresuid32: | |
1216 | case TARGET_LINUX_SYS_getresuid: | |
1217 | { | |
1218 | uid_t ruid, euid, suid; | |
1219 | ||
1220 | result = getresuid (&ruid, &euid, &suid); | |
1221 | errcode = errno; | |
1222 | ||
1223 | if (result != 0) | |
1224 | break; | |
1225 | ||
1226 | *((uid_t *) t2h_addr (cb, &s, arg1)) = H2T_4 (ruid); | |
1227 | *((uid_t *) t2h_addr (cb, &s, arg2)) = H2T_4 (euid); | |
1228 | *((uid_t *) t2h_addr (cb, &s, arg3)) = H2T_4 (suid); | |
1229 | } | |
1230 | break; | |
1231 | ||
1232 | case TARGET_LINUX_SYS_poll: | |
1233 | { | |
1234 | struct pollfd ufds; | |
1235 | ||
1236 | ufds = *((struct pollfd *) t2h_addr (cb, &s, arg1)); | |
1237 | ufds.fd = T2H_4 (ufds.fd); | |
1238 | ufds.events = T2H_2 (ufds.events); | |
1239 | ufds.revents = T2H_2 (ufds.revents); | |
1240 | ||
1241 | result = poll (&ufds, arg2, arg3); | |
1242 | errcode = errno; | |
1243 | } | |
1244 | break; | |
1245 | ||
1246 | case TARGET_LINUX_SYS_getresgid32: | |
1247 | case TARGET_LINUX_SYS_getresgid: | |
1248 | { | |
1249 | uid_t rgid, egid, sgid; | |
1250 | ||
1251 | result = getresgid (&rgid, &egid, &sgid); | |
1252 | errcode = errno; | |
1253 | ||
1254 | if (result != 0) | |
1255 | break; | |
1256 | ||
1257 | *((uid_t *) t2h_addr (cb, &s, arg1)) = H2T_4 (rgid); | |
1258 | *((uid_t *) t2h_addr (cb, &s, arg2)) = H2T_4 (egid); | |
1259 | *((uid_t *) t2h_addr (cb, &s, arg3)) = H2T_4 (sgid); | |
1260 | } | |
1261 | break; | |
1262 | ||
1263 | case TARGET_LINUX_SYS_pread: | |
1264 | result = pread (arg1, (void *) t2h_addr (cb, &s, arg2), arg3, arg4); | |
1265 | errcode = errno; | |
1266 | break; | |
1267 | ||
1268 | case TARGET_LINUX_SYS_pwrite: | |
1269 | result = pwrite (arg1, (void *) t2h_addr (cb, &s, arg2), arg3, arg4); | |
1270 | errcode = errno; | |
1271 | break; | |
1272 | ||
1273 | case TARGET_LINUX_SYS_chown32: | |
1274 | case TARGET_LINUX_SYS_chown: | |
1275 | result = chown ((char *) t2h_addr (cb, &s, arg1), arg2, arg3); | |
1276 | errcode = errno; | |
1277 | break; | |
1278 | ||
1279 | case TARGET_LINUX_SYS_getcwd: | |
1280 | result = (int) getcwd ((char *) t2h_addr (cb, &s, arg1), arg2); | |
1281 | errcode = errno; | |
1282 | break; | |
1283 | ||
1284 | case TARGET_LINUX_SYS_sendfile: | |
1285 | { | |
1286 | off_t offset; | |
1287 | ||
1288 | offset = *((off_t *) t2h_addr (cb, &s, arg3)); | |
1289 | offset = T2H_4 (offset); | |
1290 | ||
1291 | result = sendfile (arg1, arg2, &offset, arg3); | |
1292 | errcode = errno; | |
1293 | ||
1294 | if (result != 0) | |
1295 | break; | |
1296 | ||
1297 | *((off_t *) t2h_addr (cb, &s, arg3)) = H2T_4 (offset); | |
1298 | } | |
1299 | break; | |
1300 | ||
1301 | default: | |
1302 | result = -1; | |
1303 | errcode = ENOSYS; | |
1304 | break; | |
1305 | } | |
1306 | ||
1307 | if (result == -1) | |
fe41f721 | 1308 | m32rbf_h_gr_set (current_cpu, 0, -errcode); |
54af6227 | 1309 | else |
fe41f721 MF |
1310 | m32rbf_h_gr_set (current_cpu, 0, result); |
1311 | break; | |
1312 | } | |
fe7f0b01 | 1313 | #endif |
fe41f721 | 1314 | |
c906108c SS |
1315 | case TRAP_BREAKPOINT: |
1316 | sim_engine_halt (sd, current_cpu, NULL, pc, | |
1317 | sim_stopped, SIM_SIGTRAP); | |
1318 | break; | |
1319 | ||
16b47b25 NC |
1320 | case TRAP_FLUSH_CACHE: |
1321 | /* Do nothing. */ | |
1322 | break; | |
1323 | ||
fe41f721 MF |
1324 | case_default: |
1325 | default: | |
c906108c | 1326 | { |
fe41f721 MF |
1327 | /* The new pc is the trap vector entry. |
1328 | We assume there's a branch there to some handler. | |
1329 | Use cr5 as EVB (EIT Vector Base) register. */ | |
16b47b25 | 1330 | /* USI new_pc = EIT_TRAP_BASE_ADDR + num * 4; */ |
fe41f721 | 1331 | USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4; |
c906108c SS |
1332 | return new_pc; |
1333 | } | |
1334 | } | |
1335 | ||
1336 | /* Fake an "rte" insn. */ | |
1337 | /* FIXME: Should duplicate all of rte processing. */ | |
1338 | return (pc & -4) + 4; | |
1339 | } |