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Commit | Line | Data |
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c906108c | 1 | /* m32r exception, interrupt, and trap (EIT) support |
1d506c26 | 2 | Copyright (C) 1998-2024 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__ | |
9c80f001 MF |
41 | #include <syslog.h> |
42 | #include <sys/file.h> | |
43 | #include <sys/fsuid.h> | |
44 | #include <sys/ioctl.h> | |
fe41f721 MF |
45 | #include <sys/mman.h> |
46 | #include <sys/poll.h> | |
47 | #include <sys/resource.h> | |
9c80f001 | 48 | #include <sys/sendfile.h> |
fe41f721 MF |
49 | #include <sys/sysinfo.h> |
50 | #include <sys/stat.h> | |
51 | #include <sys/time.h> | |
52 | #include <sys/timeb.h> | |
53 | #include <sys/timex.h> | |
54 | #include <sys/types.h> | |
55 | #include <sys/uio.h> | |
56 | #include <sys/utsname.h> | |
57 | #include <sys/vfs.h> | |
58 | #include <linux/sysctl.h> | |
59 | #include <linux/types.h> | |
60 | #include <linux/unistd.h> | |
fe7f0b01 | 61 | #endif |
c906108c | 62 | |
f51d9c6a MF |
63 | #include "m32r-sim.h" |
64 | ||
fe41f721 | 65 | #define TRAP_LINUX_SYSCALL 2 |
16b47b25 | 66 | #define TRAP_FLUSH_CACHE 12 |
0b2e03b4 | 67 | /* The semantic code invokes this for invalid (unrecognized) instructions. */ |
c906108c | 68 | |
16b47b25 NC |
69 | SEM_PC |
70 | sim_engine_invalid_insn (SIM_CPU *current_cpu, IADDR cia, SEM_PC pc) | |
c906108c SS |
71 | { |
72 | SIM_DESC sd = CPU_STATE (current_cpu); | |
73 | ||
74 | #if 0 | |
75 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
76 | { | |
77 | h_bsm_set (current_cpu, h_sm_get (current_cpu)); | |
78 | h_bie_set (current_cpu, h_ie_get (current_cpu)); | |
79 | h_bcond_set (current_cpu, h_cond_get (current_cpu)); | |
80 | /* sm not changed */ | |
81 | h_ie_set (current_cpu, 0); | |
82 | h_cond_set (current_cpu, 0); | |
83 | ||
84 | h_bpc_set (current_cpu, cia); | |
85 | ||
86 | sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, | |
87 | EIT_RSVD_INSN_ADDR); | |
88 | } | |
89 | else | |
90 | #endif | |
91 | sim_engine_halt (sd, current_cpu, NULL, cia, sim_stopped, SIM_SIGILL); | |
16b47b25 NC |
92 | |
93 | return pc; | |
c906108c SS |
94 | } |
95 | ||
96 | /* Process an address exception. */ | |
97 | ||
98 | void | |
99 | m32r_core_signal (SIM_DESC sd, SIM_CPU *current_cpu, sim_cia cia, | |
100 | unsigned int map, int nr_bytes, address_word addr, | |
101 | transfer_type transfer, sim_core_signals sig) | |
102 | { | |
103 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) | |
104 | { | |
16b47b25 NC |
105 | m32rbf_h_cr_set (current_cpu, H_CR_BBPC, |
106 | m32rbf_h_cr_get (current_cpu, H_CR_BPC)); | |
107 | switch (MACH_NUM (CPU_MACH (current_cpu))) | |
108 | { | |
109 | case MACH_M32R: | |
110 | m32rbf_h_bpsw_set (current_cpu, m32rbf_h_psw_get (current_cpu)); | |
111 | /* sm not changed. */ | |
112 | m32rbf_h_psw_set (current_cpu, m32rbf_h_psw_get (current_cpu) & 0x80); | |
113 | break; | |
114 | case MACH_M32RX: | |
115 | m32rxf_h_bpsw_set (current_cpu, m32rxf_h_psw_get (current_cpu)); | |
116 | /* sm not changed. */ | |
117 | m32rxf_h_psw_set (current_cpu, m32rxf_h_psw_get (current_cpu) & 0x80); | |
118 | break; | |
119 | case MACH_M32R2: | |
120 | m32r2f_h_bpsw_set (current_cpu, m32r2f_h_psw_get (current_cpu)); | |
121 | /* sm not changed. */ | |
122 | m32r2f_h_psw_set (current_cpu, m32r2f_h_psw_get (current_cpu) & 0x80); | |
123 | break; | |
124 | default: | |
125 | abort (); | |
126 | } | |
fe41f721 | 127 | |
16b47b25 | 128 | m32rbf_h_cr_set (current_cpu, H_CR_BPC, cia); |
c906108c SS |
129 | |
130 | sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL, | |
131 | EIT_ADDR_EXCP_ADDR); | |
132 | } | |
133 | else | |
134 | sim_core_signal (sd, current_cpu, cia, map, nr_bytes, addr, | |
135 | transfer, sig); | |
136 | } | |
137 | \f | |
fe41f721 MF |
138 | /* Translate target's address to host's address. */ |
139 | ||
140 | static void * | |
141 | t2h_addr (host_callback *cb, struct cb_syscall *sc, | |
142 | unsigned long taddr) | |
143 | { | |
fe41f721 MF |
144 | SIM_DESC sd = (SIM_DESC) sc->p1; |
145 | SIM_CPU *cpu = (SIM_CPU *) sc->p2; | |
146 | ||
147 | if (taddr == 0) | |
148 | return NULL; | |
149 | ||
150 | return sim_core_trans_addr (sd, cpu, read_map, taddr); | |
151 | } | |
152 | ||
153 | /* TODO: These functions are a big hack and assume that the host runtime has | |
154 | type sizes and struct layouts that match the target. So the Linux emulation | |
155 | probaly only really works in 32-bit runtimes. */ | |
156 | ||
157 | static void | |
158 | translate_endian_h2t (void *addr, size_t size) | |
159 | { | |
160 | unsigned int *p = (unsigned int *) addr; | |
161 | int i; | |
162 | ||
163 | for (i = 0; i <= size - 4; i += 4,p++) | |
164 | *p = H2T_4 (*p); | |
165 | ||
166 | if (i <= size - 2) | |
167 | *((unsigned short *) p) = H2T_2 (*((unsigned short *) p)); | |
168 | } | |
169 | ||
170 | static void | |
171 | translate_endian_t2h (void *addr, size_t size) | |
172 | { | |
173 | unsigned int *p = (unsigned int *) addr; | |
174 | int i; | |
175 | ||
176 | for (i = 0; i <= size - 4; i += 4,p++) | |
177 | *p = T2H_4 (*p); | |
178 | ||
179 | if (i <= size - 2) | |
180 | *((unsigned short *) p) = T2H_2 (*((unsigned short *) p)); | |
181 | } | |
182 | ||
c906108c SS |
183 | /* Trap support. |
184 | The result is the pc address to continue at. | |
185 | Preprocessing like saving the various registers has already been done. */ | |
186 | ||
187 | USI | |
188 | m32r_trap (SIM_CPU *current_cpu, PCADDR pc, int num) | |
189 | { | |
190 | SIM_DESC sd = CPU_STATE (current_cpu); | |
191 | host_callback *cb = STATE_CALLBACK (sd); | |
192 | ||
c906108c | 193 | if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT) |
fe41f721 | 194 | goto case_default; |
c906108c SS |
195 | |
196 | switch (num) | |
197 | { | |
fe41f721 | 198 | case TRAP_SYSCALL: |
c906108c | 199 | { |
7d5c6c43 MF |
200 | long result, result2; |
201 | int errcode; | |
202 | ||
203 | sim_syscall_multi (current_cpu, | |
204 | m32rbf_h_gr_get (current_cpu, 0), | |
205 | m32rbf_h_gr_get (current_cpu, 1), | |
206 | m32rbf_h_gr_get (current_cpu, 2), | |
207 | m32rbf_h_gr_get (current_cpu, 3), | |
208 | m32rbf_h_gr_get (current_cpu, 4), | |
209 | &result, &result2, &errcode); | |
210 | ||
211 | m32rbf_h_gr_set (current_cpu, 2, errcode); | |
212 | m32rbf_h_gr_set (current_cpu, 0, result); | |
213 | m32rbf_h_gr_set (current_cpu, 1, result2); | |
c906108c SS |
214 | break; |
215 | } | |
216 | ||
fe7f0b01 | 217 | #ifdef __linux__ |
fe41f721 MF |
218 | case TRAP_LINUX_SYSCALL: |
219 | { | |
220 | CB_SYSCALL s; | |
54af6227 | 221 | unsigned int func, arg1, arg2, arg3, arg4, arg5, arg6, arg7; |
c66061f4 | 222 | int result, errcode; |
fe41f721 MF |
223 | |
224 | if (STATE_ENVIRONMENT (sd) != USER_ENVIRONMENT) | |
225 | goto case_default; | |
226 | ||
227 | func = m32rbf_h_gr_get (current_cpu, 7); | |
228 | arg1 = m32rbf_h_gr_get (current_cpu, 0); | |
229 | arg2 = m32rbf_h_gr_get (current_cpu, 1); | |
230 | arg3 = m32rbf_h_gr_get (current_cpu, 2); | |
231 | arg4 = m32rbf_h_gr_get (current_cpu, 3); | |
232 | arg5 = m32rbf_h_gr_get (current_cpu, 4); | |
233 | arg6 = m32rbf_h_gr_get (current_cpu, 5); | |
234 | arg7 = m32rbf_h_gr_get (current_cpu, 6); | |
235 | ||
54af6227 MF |
236 | CB_SYSCALL_INIT (&s); |
237 | s.func = func; | |
238 | s.arg1 = arg1; | |
239 | s.arg2 = arg2; | |
240 | s.arg3 = arg3; | |
241 | s.arg4 = arg4; | |
242 | s.arg5 = arg5; | |
243 | s.arg6 = arg6; | |
244 | s.arg7 = arg7; | |
245 | ||
845cbaa9 AM |
246 | s.p1 = sd; |
247 | s.p2 = current_cpu; | |
54af6227 MF |
248 | s.read_mem = sim_syscall_read_mem; |
249 | s.write_mem = sim_syscall_write_mem; | |
250 | ||
251 | result = 0; | |
54af6227 MF |
252 | errcode = 0; |
253 | ||
254 | switch (func) | |
255 | { | |
256 | case TARGET_LINUX_SYS_exit: | |
fe41f721 | 257 | sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, arg1); |
54af6227 MF |
258 | break; |
259 | ||
260 | case TARGET_LINUX_SYS_read: | |
261 | result = read (arg1, t2h_addr (cb, &s, arg2), arg3); | |
262 | errcode = errno; | |
263 | break; | |
264 | ||
265 | case TARGET_LINUX_SYS_write: | |
266 | result = write (arg1, t2h_addr (cb, &s, arg2), arg3); | |
267 | errcode = errno; | |
268 | break; | |
269 | ||
270 | case TARGET_LINUX_SYS_open: | |
271 | result = open ((char *) t2h_addr (cb, &s, arg1), arg2, arg3); | |
272 | errcode = errno; | |
273 | break; | |
274 | ||
275 | case TARGET_LINUX_SYS_close: | |
276 | result = close (arg1); | |
277 | errcode = errno; | |
278 | break; | |
279 | ||
280 | case TARGET_LINUX_SYS_creat: | |
281 | result = creat ((char *) t2h_addr (cb, &s, arg1), arg2); | |
282 | errcode = errno; | |
283 | break; | |
284 | ||
285 | case TARGET_LINUX_SYS_link: | |
286 | result = link ((char *) t2h_addr (cb, &s, arg1), | |
287 | (char *) t2h_addr (cb, &s, arg2)); | |
288 | errcode = errno; | |
289 | break; | |
290 | ||
291 | case TARGET_LINUX_SYS_unlink: | |
292 | result = unlink ((char *) t2h_addr (cb, &s, arg1)); | |
293 | errcode = errno; | |
294 | break; | |
295 | ||
296 | case TARGET_LINUX_SYS_chdir: | |
297 | result = chdir ((char *) t2h_addr (cb, &s, arg1)); | |
298 | errcode = errno; | |
299 | break; | |
300 | ||
301 | case TARGET_LINUX_SYS_time: | |
302 | { | |
303 | time_t t; | |
304 | ||
305 | if (arg1 == 0) | |
306 | { | |
307 | result = (int) time (NULL); | |
308 | errcode = errno; | |
309 | } | |
310 | else | |
311 | { | |
312 | result = (int) time (&t); | |
313 | errcode = errno; | |
314 | ||
315 | if (result != 0) | |
316 | break; | |
317 | ||
318 | t = H2T_4 (t); | |
319 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) != sizeof(t)) | |
320 | { | |
321 | result = -1; | |
322 | errcode = EINVAL; | |
323 | } | |
324 | } | |
325 | } | |
326 | break; | |
327 | ||
328 | case TARGET_LINUX_SYS_mknod: | |
329 | result = mknod ((char *) t2h_addr (cb, &s, arg1), | |
330 | (mode_t) arg2, (dev_t) arg3); | |
331 | errcode = errno; | |
332 | break; | |
333 | ||
334 | case TARGET_LINUX_SYS_chmod: | |
335 | result = chmod ((char *) t2h_addr (cb, &s, arg1), (mode_t) arg2); | |
336 | errcode = errno; | |
337 | break; | |
338 | ||
339 | case TARGET_LINUX_SYS_lchown32: | |
340 | case TARGET_LINUX_SYS_lchown: | |
341 | result = lchown ((char *) t2h_addr (cb, &s, arg1), | |
342 | (uid_t) arg2, (gid_t) arg3); | |
343 | errcode = errno; | |
344 | break; | |
345 | ||
346 | case TARGET_LINUX_SYS_lseek: | |
347 | result = (int) lseek (arg1, (off_t) arg2, arg3); | |
348 | errcode = errno; | |
349 | break; | |
350 | ||
351 | case TARGET_LINUX_SYS_getpid: | |
352 | result = getpid (); | |
353 | errcode = errno; | |
354 | break; | |
355 | ||
356 | case TARGET_LINUX_SYS_getuid32: | |
357 | case TARGET_LINUX_SYS_getuid: | |
358 | result = getuid (); | |
359 | errcode = errno; | |
360 | break; | |
361 | ||
362 | case TARGET_LINUX_SYS_utime: | |
363 | { | |
364 | struct utimbuf buf; | |
365 | ||
366 | if (arg2 == 0) | |
367 | { | |
368 | result = utime ((char *) t2h_addr (cb, &s, arg1), NULL); | |
369 | errcode = errno; | |
370 | } | |
371 | else | |
372 | { | |
373 | buf = *((struct utimbuf *) t2h_addr (cb, &s, arg2)); | |
374 | translate_endian_t2h (&buf, sizeof(buf)); | |
375 | result = utime ((char *) t2h_addr (cb, &s, arg1), &buf); | |
376 | errcode = errno; | |
377 | } | |
378 | } | |
379 | break; | |
380 | ||
381 | case TARGET_LINUX_SYS_access: | |
382 | result = access ((char *) t2h_addr (cb, &s, arg1), arg2); | |
383 | errcode = errno; | |
384 | break; | |
385 | ||
386 | case TARGET_LINUX_SYS_ftime: | |
387 | { | |
388 | struct timeb t; | |
b1f974fa | 389 | struct timespec ts; |
54af6227 | 390 | |
b1f974fa | 391 | result = clock_gettime (CLOCK_REALTIME, &ts); |
54af6227 MF |
392 | errcode = errno; |
393 | ||
394 | if (result != 0) | |
395 | break; | |
396 | ||
b1f974fa MF |
397 | t.time = H2T_4 (ts.tv_sec); |
398 | t.millitm = H2T_2 (ts.tv_nsec / 1000000); | |
399 | /* POSIX.1-2001 says the contents of the timezone and dstflag | |
400 | members of tp after a call to ftime() are unspecified. */ | |
401 | t.timezone = H2T_2 (0); | |
402 | t.dstflag = H2T_2 (0); | |
54af6227 MF |
403 | if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) |
404 | != sizeof(t)) | |
405 | { | |
406 | result = -1; | |
407 | errcode = EINVAL; | |
408 | } | |
409 | } | |
dbd4aebe | 410 | break; |
54af6227 MF |
411 | |
412 | case TARGET_LINUX_SYS_sync: | |
413 | sync (); | |
414 | result = 0; | |
415 | break; | |
416 | ||
417 | case TARGET_LINUX_SYS_rename: | |
418 | result = rename ((char *) t2h_addr (cb, &s, arg1), | |
419 | (char *) t2h_addr (cb, &s, arg2)); | |
420 | errcode = errno; | |
421 | break; | |
422 | ||
423 | case TARGET_LINUX_SYS_mkdir: | |
424 | result = mkdir ((char *) t2h_addr (cb, &s, arg1), arg2); | |
425 | errcode = errno; | |
426 | break; | |
427 | ||
428 | case TARGET_LINUX_SYS_rmdir: | |
429 | result = rmdir ((char *) t2h_addr (cb, &s, arg1)); | |
430 | errcode = errno; | |
431 | break; | |
432 | ||
433 | case TARGET_LINUX_SYS_dup: | |
434 | result = dup (arg1); | |
435 | errcode = errno; | |
436 | break; | |
437 | ||
438 | case TARGET_LINUX_SYS_brk: | |
08a7937f | 439 | result = brk ((void *) (uintptr_t) arg1); |
54af6227 MF |
440 | errcode = errno; |
441 | //result = arg1; | |
442 | break; | |
443 | ||
444 | case TARGET_LINUX_SYS_getgid32: | |
445 | case TARGET_LINUX_SYS_getgid: | |
446 | result = getgid (); | |
447 | errcode = errno; | |
448 | break; | |
449 | ||
450 | case TARGET_LINUX_SYS_geteuid32: | |
451 | case TARGET_LINUX_SYS_geteuid: | |
452 | result = geteuid (); | |
453 | errcode = errno; | |
454 | break; | |
455 | ||
456 | case TARGET_LINUX_SYS_getegid32: | |
457 | case TARGET_LINUX_SYS_getegid: | |
458 | result = getegid (); | |
459 | errcode = errno; | |
460 | break; | |
461 | ||
462 | case TARGET_LINUX_SYS_ioctl: | |
463 | result = ioctl (arg1, arg2, arg3); | |
464 | errcode = errno; | |
465 | break; | |
466 | ||
467 | case TARGET_LINUX_SYS_fcntl: | |
468 | result = fcntl (arg1, arg2, arg3); | |
469 | errcode = errno; | |
470 | break; | |
471 | ||
472 | case TARGET_LINUX_SYS_dup2: | |
473 | result = dup2 (arg1, arg2); | |
474 | errcode = errno; | |
475 | break; | |
476 | ||
477 | case TARGET_LINUX_SYS_getppid: | |
478 | result = getppid (); | |
479 | errcode = errno; | |
480 | break; | |
481 | ||
482 | case TARGET_LINUX_SYS_getpgrp: | |
483 | result = getpgrp (); | |
484 | errcode = errno; | |
485 | break; | |
486 | ||
487 | case TARGET_LINUX_SYS_getrlimit: | |
488 | { | |
489 | struct rlimit rlim; | |
490 | ||
491 | result = getrlimit (arg1, &rlim); | |
492 | errcode = errno; | |
493 | ||
494 | if (result != 0) | |
495 | break; | |
496 | ||
497 | translate_endian_h2t (&rlim, sizeof(rlim)); | |
498 | if ((s.write_mem) (cb, &s, arg2, (char *) &rlim, sizeof(rlim)) | |
499 | != sizeof(rlim)) | |
500 | { | |
501 | result = -1; | |
502 | errcode = EINVAL; | |
503 | } | |
504 | } | |
505 | break; | |
506 | ||
507 | case TARGET_LINUX_SYS_getrusage: | |
508 | { | |
509 | struct rusage usage; | |
510 | ||
511 | result = getrusage (arg1, &usage); | |
512 | errcode = errno; | |
513 | ||
514 | if (result != 0) | |
515 | break; | |
516 | ||
517 | translate_endian_h2t (&usage, sizeof(usage)); | |
518 | if ((s.write_mem) (cb, &s, arg2, (char *) &usage, sizeof(usage)) | |
519 | != sizeof(usage)) | |
520 | { | |
521 | result = -1; | |
522 | errcode = EINVAL; | |
523 | } | |
524 | } | |
525 | break; | |
526 | ||
527 | case TARGET_LINUX_SYS_gettimeofday: | |
528 | { | |
529 | struct timeval tv; | |
530 | struct timezone tz; | |
531 | ||
532 | result = gettimeofday (&tv, &tz); | |
533 | errcode = errno; | |
534 | ||
535 | if (result != 0) | |
536 | break; | |
537 | ||
538 | translate_endian_h2t (&tv, sizeof(tv)); | |
539 | if ((s.write_mem) (cb, &s, arg1, (char *) &tv, sizeof(tv)) | |
540 | != sizeof(tv)) | |
541 | { | |
542 | result = -1; | |
543 | errcode = EINVAL; | |
544 | } | |
545 | ||
546 | translate_endian_h2t (&tz, sizeof(tz)); | |
547 | if ((s.write_mem) (cb, &s, arg2, (char *) &tz, sizeof(tz)) | |
548 | != sizeof(tz)) | |
549 | { | |
550 | result = -1; | |
551 | errcode = EINVAL; | |
552 | } | |
553 | } | |
554 | break; | |
555 | ||
556 | case TARGET_LINUX_SYS_getgroups32: | |
557 | case TARGET_LINUX_SYS_getgroups: | |
558 | { | |
45f8296e | 559 | gid_t *list = NULL; |
54af6227 MF |
560 | |
561 | if (arg1 > 0) | |
562 | list = (gid_t *) malloc (arg1 * sizeof(gid_t)); | |
563 | ||
564 | result = getgroups (arg1, list); | |
565 | errcode = errno; | |
566 | ||
567 | if (result != 0) | |
568 | break; | |
569 | ||
570 | translate_endian_h2t (list, arg1 * sizeof(gid_t)); | |
571 | if (arg1 > 0) | |
572 | if ((s.write_mem) (cb, &s, arg2, (char *) list, arg1 * sizeof(gid_t)) | |
573 | != arg1 * sizeof(gid_t)) | |
574 | { | |
575 | result = -1; | |
576 | errcode = EINVAL; | |
577 | } | |
578 | } | |
579 | break; | |
580 | ||
581 | case TARGET_LINUX_SYS_select: | |
582 | { | |
583 | int n; | |
584 | fd_set readfds; | |
08a7937f | 585 | unsigned int treadfdsp; |
54af6227 MF |
586 | fd_set *hreadfdsp; |
587 | fd_set writefds; | |
08a7937f | 588 | unsigned int twritefdsp; |
54af6227 MF |
589 | fd_set *hwritefdsp; |
590 | fd_set exceptfds; | |
08a7937f | 591 | unsigned int texceptfdsp; |
54af6227 | 592 | fd_set *hexceptfdsp; |
08a7937f | 593 | unsigned int ttimeoutp; |
54af6227 MF |
594 | struct timeval timeout; |
595 | ||
596 | n = arg1; | |
597 | ||
08a7937f MF |
598 | treadfdsp = arg2; |
599 | if (treadfdsp !=0) | |
54af6227 | 600 | { |
08a7937f | 601 | readfds = *((fd_set *) t2h_addr (cb, &s, treadfdsp)); |
54af6227 MF |
602 | translate_endian_t2h (&readfds, sizeof(readfds)); |
603 | hreadfdsp = &readfds; | |
604 | } | |
605 | else | |
606 | hreadfdsp = NULL; | |
607 | ||
08a7937f MF |
608 | twritefdsp = arg3; |
609 | if (twritefdsp != 0) | |
54af6227 | 610 | { |
08a7937f | 611 | writefds = *((fd_set *) t2h_addr (cb, &s, twritefdsp)); |
54af6227 MF |
612 | translate_endian_t2h (&writefds, sizeof(writefds)); |
613 | hwritefdsp = &writefds; | |
614 | } | |
615 | else | |
616 | hwritefdsp = NULL; | |
617 | ||
08a7937f MF |
618 | texceptfdsp = arg4; |
619 | if (texceptfdsp != 0) | |
54af6227 | 620 | { |
08a7937f | 621 | exceptfds = *((fd_set *) t2h_addr (cb, &s, texceptfdsp)); |
54af6227 MF |
622 | translate_endian_t2h (&exceptfds, sizeof(exceptfds)); |
623 | hexceptfdsp = &exceptfds; | |
624 | } | |
625 | else | |
626 | hexceptfdsp = NULL; | |
627 | ||
08a7937f MF |
628 | ttimeoutp = arg5; |
629 | timeout = *((struct timeval *) t2h_addr (cb, &s, ttimeoutp)); | |
54af6227 MF |
630 | translate_endian_t2h (&timeout, sizeof(timeout)); |
631 | ||
632 | result = select (n, hreadfdsp, hwritefdsp, hexceptfdsp, &timeout); | |
633 | errcode = errno; | |
634 | ||
635 | if (result != 0) | |
636 | break; | |
637 | ||
08a7937f | 638 | if (treadfdsp != 0) |
54af6227 MF |
639 | { |
640 | translate_endian_h2t (&readfds, sizeof(readfds)); | |
08a7937f | 641 | if ((s.write_mem) (cb, &s, treadfdsp, |
54af6227 MF |
642 | (char *) &readfds, sizeof(readfds)) != sizeof(readfds)) |
643 | { | |
644 | result = -1; | |
645 | errcode = EINVAL; | |
646 | } | |
647 | } | |
648 | ||
08a7937f | 649 | if (twritefdsp != 0) |
54af6227 MF |
650 | { |
651 | translate_endian_h2t (&writefds, sizeof(writefds)); | |
08a7937f | 652 | if ((s.write_mem) (cb, &s, twritefdsp, |
54af6227 MF |
653 | (char *) &writefds, sizeof(writefds)) != sizeof(writefds)) |
654 | { | |
655 | result = -1; | |
656 | errcode = EINVAL; | |
657 | } | |
658 | } | |
659 | ||
08a7937f | 660 | if (texceptfdsp != 0) |
54af6227 MF |
661 | { |
662 | translate_endian_h2t (&exceptfds, sizeof(exceptfds)); | |
08a7937f | 663 | if ((s.write_mem) (cb, &s, texceptfdsp, |
54af6227 MF |
664 | (char *) &exceptfds, sizeof(exceptfds)) != sizeof(exceptfds)) |
665 | { | |
666 | result = -1; | |
667 | errcode = EINVAL; | |
668 | } | |
669 | } | |
670 | ||
671 | translate_endian_h2t (&timeout, sizeof(timeout)); | |
08a7937f | 672 | if ((s.write_mem) (cb, &s, ttimeoutp, |
54af6227 MF |
673 | (char *) &timeout, sizeof(timeout)) != sizeof(timeout)) |
674 | { | |
675 | result = -1; | |
676 | errcode = EINVAL; | |
677 | } | |
678 | } | |
679 | break; | |
680 | ||
681 | case TARGET_LINUX_SYS_symlink: | |
682 | result = symlink ((char *) t2h_addr (cb, &s, arg1), | |
683 | (char *) t2h_addr (cb, &s, arg2)); | |
684 | errcode = errno; | |
685 | break; | |
686 | ||
687 | case TARGET_LINUX_SYS_readlink: | |
688 | result = readlink ((char *) t2h_addr (cb, &s, arg1), | |
689 | (char *) t2h_addr (cb, &s, arg2), | |
690 | arg3); | |
691 | errcode = errno; | |
692 | break; | |
693 | ||
694 | case TARGET_LINUX_SYS_readdir: | |
08a7937f | 695 | #if SIZEOF_VOID_P == 4 |
54af6227 MF |
696 | result = (int) readdir ((DIR *) t2h_addr (cb, &s, arg1)); |
697 | errcode = errno; | |
08a7937f MF |
698 | #else |
699 | result = 0; | |
700 | errcode = ENOSYS; | |
701 | #endif | |
54af6227 | 702 | break; |
fe41f721 MF |
703 | |
704 | #if 0 | |
54af6227 MF |
705 | case TARGET_LINUX_SYS_mmap: |
706 | { | |
707 | result = (int) mmap ((void *) t2h_addr (cb, &s, arg1), | |
708 | arg2, arg3, arg4, arg5, arg6); | |
709 | errcode = errno; | |
710 | ||
711 | if (errno == 0) | |
712 | { | |
713 | sim_core_attach (sd, NULL, | |
714 | 0, access_read_write_exec, 0, | |
715 | result, arg2, 0, NULL, NULL); | |
716 | } | |
717 | } | |
718 | break; | |
fe41f721 | 719 | #endif |
54af6227 MF |
720 | case TARGET_LINUX_SYS_mmap2: |
721 | { | |
08a7937f | 722 | #if SIZEOF_VOID_P == 4 /* Code assumes m32r pointer size matches host. */ |
54af6227 MF |
723 | void *addr; |
724 | size_t len; | |
725 | int prot, flags, fildes; | |
726 | off_t off; | |
727 | ||
728 | addr = (void *) t2h_addr (cb, &s, arg1); | |
729 | len = arg2; | |
730 | prot = arg3; | |
731 | flags = arg4; | |
732 | fildes = arg5; | |
733 | off = arg6 << 12; | |
734 | ||
735 | result = (int) mmap (addr, len, prot, flags, fildes, off); | |
736 | errcode = errno; | |
737 | if (result != -1) | |
738 | { | |
739 | char c; | |
fe41f721 | 740 | if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0) |
54af6227 MF |
741 | sim_core_attach (sd, NULL, |
742 | 0, access_read_write_exec, 0, | |
743 | result, len, 0, NULL, NULL); | |
744 | } | |
08a7937f MF |
745 | #else |
746 | result = 0; | |
747 | errcode = ENOSYS; | |
748 | #endif | |
54af6227 MF |
749 | } |
750 | break; | |
751 | ||
752 | case TARGET_LINUX_SYS_mmap: | |
753 | { | |
08a7937f | 754 | #if SIZEOF_VOID_P == 4 /* Code assumes m32r pointer size matches host. */ |
54af6227 MF |
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 *) T2H_4 ((unsigned int) addr); | |
768 | len = T2H_4 (len); | |
769 | prot = T2H_4 (prot); | |
770 | flags = T2H_4 (flags); | |
771 | fildes = T2H_4 (fildes); | |
772 | off = T2H_4 (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; | |
fe41f721 | 782 | if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0) |
54af6227 MF |
783 | sim_core_attach (sd, NULL, |
784 | 0, access_read_write_exec, 0, | |
785 | result, len, 0, NULL, NULL); | |
786 | } | |
08a7937f MF |
787 | #else |
788 | result = 0; | |
789 | errcode = ENOSYS; | |
790 | #endif | |
54af6227 MF |
791 | } |
792 | break; | |
793 | ||
794 | case TARGET_LINUX_SYS_munmap: | |
08a7937f | 795 | result = munmap ((void *) (uintptr_t) arg1, arg2); |
54af6227 MF |
796 | errcode = errno; |
797 | if (result != -1) | |
798 | sim_core_detach (sd, NULL, 0, arg2, result); | |
799 | break; | |
800 | ||
801 | case TARGET_LINUX_SYS_truncate: | |
802 | result = truncate ((char *) t2h_addr (cb, &s, arg1), arg2); | |
803 | errcode = errno; | |
804 | break; | |
805 | ||
806 | case TARGET_LINUX_SYS_ftruncate: | |
807 | result = ftruncate (arg1, arg2); | |
808 | errcode = errno; | |
809 | break; | |
810 | ||
811 | case TARGET_LINUX_SYS_fchmod: | |
812 | result = fchmod (arg1, arg2); | |
813 | errcode = errno; | |
814 | break; | |
815 | ||
816 | case TARGET_LINUX_SYS_fchown32: | |
817 | case TARGET_LINUX_SYS_fchown: | |
818 | result = fchown (arg1, arg2, arg3); | |
819 | errcode = errno; | |
820 | break; | |
821 | ||
822 | case TARGET_LINUX_SYS_statfs: | |
823 | { | |
824 | struct statfs statbuf; | |
825 | ||
826 | result = statfs ((char *) t2h_addr (cb, &s, arg1), &statbuf); | |
827 | errcode = errno; | |
828 | ||
829 | if (result != 0) | |
830 | break; | |
831 | ||
832 | translate_endian_h2t (&statbuf, sizeof(statbuf)); | |
833 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
834 | != sizeof(statbuf)) | |
835 | { | |
836 | result = -1; | |
837 | errcode = EINVAL; | |
838 | } | |
839 | } | |
840 | break; | |
841 | ||
842 | case TARGET_LINUX_SYS_fstatfs: | |
843 | { | |
844 | struct statfs statbuf; | |
845 | ||
846 | result = fstatfs (arg1, &statbuf); | |
847 | errcode = errno; | |
848 | ||
849 | if (result != 0) | |
850 | break; | |
851 | ||
852 | translate_endian_h2t (&statbuf, sizeof(statbuf)); | |
853 | if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf)) | |
854 | != sizeof(statbuf)) | |
855 | { | |
856 | result = -1; | |
857 | errcode = EINVAL; | |
858 | } | |
859 | } | |
860 | break; | |
861 | ||
862 | case TARGET_LINUX_SYS_syslog: | |
c26f7543 MF |
863 | syslog (arg1, "%s", (char *) t2h_addr (cb, &s, arg2)); |
864 | result = 0; | |
54af6227 MF |
865 | errcode = errno; |
866 | break; | |
867 | ||
868 | case TARGET_LINUX_SYS_setitimer: | |
869 | { | |
870 | struct itimerval value, ovalue; | |
871 | ||
872 | value = *((struct itimerval *) t2h_addr (cb, &s, arg2)); | |
873 | translate_endian_t2h (&value, sizeof(value)); | |
874 | ||
875 | if (arg2 == 0) | |
876 | { | |
877 | result = setitimer (arg1, &value, NULL); | |
878 | errcode = errno; | |
879 | } | |
880 | else | |
881 | { | |
882 | result = setitimer (arg1, &value, &ovalue); | |
883 | errcode = errno; | |
884 | ||
885 | if (result != 0) | |
886 | break; | |
887 | ||
888 | translate_endian_h2t (&ovalue, sizeof(ovalue)); | |
889 | if ((s.write_mem) (cb, &s, arg3, (char *) &ovalue, sizeof(ovalue)) | |
890 | != sizeof(ovalue)) | |
891 | { | |
892 | result = -1; | |
893 | errcode = EINVAL; | |
894 | } | |
895 | } | |
896 | } | |
897 | break; | |
898 | ||
899 | case TARGET_LINUX_SYS_getitimer: | |
900 | { | |
901 | struct itimerval value; | |
902 | ||
903 | result = getitimer (arg1, &value); | |
904 | errcode = errno; | |
905 | ||
906 | if (result != 0) | |
907 | break; | |
908 | ||
909 | translate_endian_h2t (&value, sizeof(value)); | |
910 | if ((s.write_mem) (cb, &s, arg2, (char *) &value, sizeof(value)) | |
911 | != sizeof(value)) | |
912 | { | |
913 | result = -1; | |
914 | errcode = EINVAL; | |
915 | } | |
916 | } | |
917 | break; | |
918 | ||
919 | case TARGET_LINUX_SYS_stat: | |
920 | { | |
921 | char *buf; | |
922 | int buflen; | |
923 | struct stat statbuf; | |
924 | ||
925 | result = stat ((char *) t2h_addr (cb, &s, arg1), &statbuf); | |
926 | errcode = errno; | |
927 | if (result < 0) | |
928 | break; | |
929 | ||
930 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
931 | buf = xmalloc (buflen); | |
932 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
933 | { | |
934 | /* The translation failed. This is due to an internal | |
935 | host program error, not the target's fault. */ | |
936 | free (buf); | |
937 | result = -1; | |
938 | errcode = ENOSYS; | |
939 | break; | |
940 | } | |
941 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
942 | { | |
943 | free (buf); | |
944 | result = -1; | |
945 | errcode = EINVAL; | |
946 | break; | |
947 | } | |
948 | free (buf); | |
949 | } | |
950 | break; | |
951 | ||
952 | case TARGET_LINUX_SYS_lstat: | |
953 | { | |
954 | char *buf; | |
955 | int buflen; | |
956 | struct stat statbuf; | |
957 | ||
958 | result = lstat ((char *) t2h_addr (cb, &s, arg1), &statbuf); | |
959 | errcode = errno; | |
960 | if (result < 0) | |
961 | break; | |
962 | ||
963 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
964 | buf = xmalloc (buflen); | |
965 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
966 | { | |
967 | /* The translation failed. This is due to an internal | |
968 | host program error, not the target's fault. */ | |
969 | free (buf); | |
970 | result = -1; | |
971 | errcode = ENOSYS; | |
972 | break; | |
973 | } | |
974 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
975 | { | |
976 | free (buf); | |
977 | result = -1; | |
978 | errcode = EINVAL; | |
979 | break; | |
980 | } | |
981 | free (buf); | |
982 | } | |
983 | break; | |
984 | ||
985 | case TARGET_LINUX_SYS_fstat: | |
986 | { | |
987 | char *buf; | |
988 | int buflen; | |
989 | struct stat statbuf; | |
990 | ||
991 | result = fstat (arg1, &statbuf); | |
992 | errcode = errno; | |
993 | if (result < 0) | |
994 | break; | |
995 | ||
996 | buflen = cb_host_to_target_stat (cb, NULL, NULL); | |
997 | buf = xmalloc (buflen); | |
998 | if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen) | |
999 | { | |
1000 | /* The translation failed. This is due to an internal | |
1001 | host program error, not the target's fault. */ | |
1002 | free (buf); | |
1003 | result = -1; | |
1004 | errcode = ENOSYS; | |
1005 | break; | |
1006 | } | |
1007 | if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen) | |
1008 | { | |
1009 | free (buf); | |
1010 | result = -1; | |
1011 | errcode = EINVAL; | |
1012 | break; | |
1013 | } | |
1014 | free (buf); | |
1015 | } | |
1016 | break; | |
1017 | ||
1018 | case TARGET_LINUX_SYS_sysinfo: | |
1019 | { | |
1020 | struct sysinfo info; | |
1021 | ||
1022 | result = sysinfo (&info); | |
1023 | errcode = errno; | |
1024 | ||
1025 | if (result != 0) | |
1026 | break; | |
1027 | ||
1028 | info.uptime = H2T_4 (info.uptime); | |
1029 | info.loads[0] = H2T_4 (info.loads[0]); | |
1030 | info.loads[1] = H2T_4 (info.loads[1]); | |
1031 | info.loads[2] = H2T_4 (info.loads[2]); | |
1032 | info.totalram = H2T_4 (info.totalram); | |
1033 | info.freeram = H2T_4 (info.freeram); | |
1034 | info.sharedram = H2T_4 (info.sharedram); | |
1035 | info.bufferram = H2T_4 (info.bufferram); | |
1036 | info.totalswap = H2T_4 (info.totalswap); | |
1037 | info.freeswap = H2T_4 (info.freeswap); | |
1038 | info.procs = H2T_2 (info.procs); | |
fe41f721 | 1039 | #if LINUX_VERSION_CODE >= 0x20400 |
54af6227 MF |
1040 | info.totalhigh = H2T_4 (info.totalhigh); |
1041 | info.freehigh = H2T_4 (info.freehigh); | |
1042 | info.mem_unit = H2T_4 (info.mem_unit); | |
fe41f721 | 1043 | #endif |
54af6227 MF |
1044 | if ((s.write_mem) (cb, &s, arg1, (char *) &info, sizeof(info)) |
1045 | != sizeof(info)) | |
1046 | { | |
1047 | result = -1; | |
1048 | errcode = EINVAL; | |
1049 | } | |
1050 | } | |
1051 | break; | |
fe41f721 MF |
1052 | |
1053 | #if 0 | |
54af6227 MF |
1054 | case TARGET_LINUX_SYS_ipc: |
1055 | { | |
1056 | result = ipc (arg1, arg2, arg3, arg4, | |
1057 | (void *) t2h_addr (cb, &s, arg5), arg6); | |
1058 | errcode = errno; | |
1059 | } | |
1060 | break; | |
fe41f721 MF |
1061 | #endif |
1062 | ||
54af6227 MF |
1063 | case TARGET_LINUX_SYS_fsync: |
1064 | result = fsync (arg1); | |
1065 | errcode = errno; | |
1066 | break; | |
1067 | ||
1068 | case TARGET_LINUX_SYS_uname: | |
1069 | /* utsname contains only arrays of char, so it is not necessary | |
1070 | to translate endian. */ | |
1071 | result = uname ((struct utsname *) t2h_addr (cb, &s, arg1)); | |
1072 | errcode = errno; | |
1073 | break; | |
1074 | ||
1075 | case TARGET_LINUX_SYS_adjtimex: | |
1076 | { | |
1077 | struct timex buf; | |
1078 | ||
1079 | result = adjtimex (&buf); | |
1080 | errcode = errno; | |
1081 | ||
1082 | if (result != 0) | |
1083 | break; | |
1084 | ||
1085 | translate_endian_h2t (&buf, sizeof(buf)); | |
1086 | if ((s.write_mem) (cb, &s, arg1, (char *) &buf, sizeof(buf)) | |
1087 | != sizeof(buf)) | |
1088 | { | |
1089 | result = -1; | |
1090 | errcode = EINVAL; | |
1091 | } | |
1092 | } | |
1093 | break; | |
1094 | ||
1095 | case TARGET_LINUX_SYS_mprotect: | |
08a7937f | 1096 | result = mprotect ((void *) (uintptr_t) arg1, arg2, arg3); |
54af6227 MF |
1097 | errcode = errno; |
1098 | break; | |
1099 | ||
1100 | case TARGET_LINUX_SYS_fchdir: | |
1101 | result = fchdir (arg1); | |
1102 | errcode = errno; | |
1103 | break; | |
1104 | ||
1105 | case TARGET_LINUX_SYS_setfsuid32: | |
1106 | case TARGET_LINUX_SYS_setfsuid: | |
1107 | result = setfsuid (arg1); | |
1108 | errcode = errno; | |
1109 | break; | |
1110 | ||
1111 | case TARGET_LINUX_SYS_setfsgid32: | |
1112 | case TARGET_LINUX_SYS_setfsgid: | |
1113 | result = setfsgid (arg1); | |
1114 | errcode = errno; | |
1115 | break; | |
fe41f721 MF |
1116 | |
1117 | #if 0 | |
54af6227 MF |
1118 | case TARGET_LINUX_SYS__llseek: |
1119 | { | |
1120 | loff_t buf; | |
1121 | ||
1122 | result = _llseek (arg1, arg2, arg3, &buf, arg5); | |
1123 | errcode = errno; | |
1124 | ||
1125 | if (result != 0) | |
1126 | break; | |
1127 | ||
1128 | translate_endian_h2t (&buf, sizeof(buf)); | |
1129 | if ((s.write_mem) (cb, &s, t2h_addr (cb, &s, arg4), | |
1130 | (char *) &buf, sizeof(buf)) != sizeof(buf)) | |
1131 | { | |
1132 | result = -1; | |
1133 | errcode = EINVAL; | |
1134 | } | |
1135 | } | |
1136 | break; | |
1137 | ||
1138 | case TARGET_LINUX_SYS_getdents: | |
1139 | { | |
1140 | struct dirent dir; | |
1141 | ||
1142 | result = getdents (arg1, &dir, arg3); | |
1143 | errcode = errno; | |
1144 | ||
1145 | if (result != 0) | |
1146 | break; | |
1147 | ||
1148 | dir.d_ino = H2T_4 (dir.d_ino); | |
1149 | dir.d_off = H2T_4 (dir.d_off); | |
1150 | dir.d_reclen = H2T_2 (dir.d_reclen); | |
1151 | if ((s.write_mem) (cb, &s, arg2, (char *) &dir, sizeof(dir)) | |
1152 | != sizeof(dir)) | |
1153 | { | |
1154 | result = -1; | |
1155 | errcode = EINVAL; | |
1156 | } | |
1157 | } | |
1158 | break; | |
fe41f721 MF |
1159 | #endif |
1160 | ||
54af6227 MF |
1161 | case TARGET_LINUX_SYS_flock: |
1162 | result = flock (arg1, arg2); | |
1163 | errcode = errno; | |
1164 | break; | |
1165 | ||
1166 | case TARGET_LINUX_SYS_msync: | |
08a7937f | 1167 | result = msync ((void *) (uintptr_t) arg1, arg2, arg3); |
54af6227 MF |
1168 | errcode = errno; |
1169 | break; | |
1170 | ||
1171 | case TARGET_LINUX_SYS_readv: | |
1172 | { | |
1173 | struct iovec vector; | |
1174 | ||
1175 | vector = *((struct iovec *) t2h_addr (cb, &s, arg2)); | |
1176 | translate_endian_t2h (&vector, sizeof(vector)); | |
1177 | ||
1178 | result = readv (arg1, &vector, arg3); | |
1179 | errcode = errno; | |
1180 | } | |
1181 | break; | |
1182 | ||
1183 | case TARGET_LINUX_SYS_writev: | |
1184 | { | |
1185 | struct iovec vector; | |
1186 | ||
1187 | vector = *((struct iovec *) t2h_addr (cb, &s, arg2)); | |
1188 | translate_endian_t2h (&vector, sizeof(vector)); | |
1189 | ||
1190 | result = writev (arg1, &vector, arg3); | |
1191 | errcode = errno; | |
1192 | } | |
1193 | break; | |
1194 | ||
1195 | case TARGET_LINUX_SYS_fdatasync: | |
1196 | result = fdatasync (arg1); | |
1197 | errcode = errno; | |
1198 | break; | |
1199 | ||
1200 | case TARGET_LINUX_SYS_mlock: | |
1201 | result = mlock ((void *) t2h_addr (cb, &s, arg1), arg2); | |
1202 | errcode = errno; | |
1203 | break; | |
1204 | ||
1205 | case TARGET_LINUX_SYS_munlock: | |
1206 | result = munlock ((void *) t2h_addr (cb, &s, arg1), arg2); | |
1207 | errcode = errno; | |
1208 | break; | |
1209 | ||
1210 | case TARGET_LINUX_SYS_nanosleep: | |
1211 | { | |
1212 | struct timespec req, rem; | |
1213 | ||
1214 | req = *((struct timespec *) t2h_addr (cb, &s, arg2)); | |
1215 | translate_endian_t2h (&req, sizeof(req)); | |
1216 | ||
1217 | result = nanosleep (&req, &rem); | |
1218 | errcode = errno; | |
1219 | ||
1220 | if (result != 0) | |
1221 | break; | |
1222 | ||
1223 | translate_endian_h2t (&rem, sizeof(rem)); | |
1224 | if ((s.write_mem) (cb, &s, arg2, (char *) &rem, sizeof(rem)) | |
1225 | != sizeof(rem)) | |
1226 | { | |
1227 | result = -1; | |
1228 | errcode = EINVAL; | |
1229 | } | |
1230 | } | |
1231 | break; | |
1232 | ||
1233 | case TARGET_LINUX_SYS_mremap: /* FIXME */ | |
08a7937f | 1234 | #if SIZEOF_VOID_P == 4 /* Code assumes m32r pointer size matches host. */ |
54af6227 MF |
1235 | result = (int) mremap ((void *) t2h_addr (cb, &s, arg1), arg2, arg3, arg4); |
1236 | errcode = errno; | |
08a7937f MF |
1237 | #else |
1238 | result = -1; | |
1239 | errcode = ENOSYS; | |
1240 | #endif | |
54af6227 MF |
1241 | break; |
1242 | ||
1243 | case TARGET_LINUX_SYS_getresuid32: | |
1244 | case TARGET_LINUX_SYS_getresuid: | |
1245 | { | |
1246 | uid_t ruid, euid, suid; | |
1247 | ||
1248 | result = getresuid (&ruid, &euid, &suid); | |
1249 | errcode = errno; | |
1250 | ||
1251 | if (result != 0) | |
1252 | break; | |
1253 | ||
1254 | *((uid_t *) t2h_addr (cb, &s, arg1)) = H2T_4 (ruid); | |
1255 | *((uid_t *) t2h_addr (cb, &s, arg2)) = H2T_4 (euid); | |
1256 | *((uid_t *) t2h_addr (cb, &s, arg3)) = H2T_4 (suid); | |
1257 | } | |
1258 | break; | |
1259 | ||
1260 | case TARGET_LINUX_SYS_poll: | |
1261 | { | |
1262 | struct pollfd ufds; | |
1263 | ||
1264 | ufds = *((struct pollfd *) t2h_addr (cb, &s, arg1)); | |
1265 | ufds.fd = T2H_4 (ufds.fd); | |
1266 | ufds.events = T2H_2 (ufds.events); | |
1267 | ufds.revents = T2H_2 (ufds.revents); | |
1268 | ||
1269 | result = poll (&ufds, arg2, arg3); | |
1270 | errcode = errno; | |
1271 | } | |
1272 | break; | |
1273 | ||
1274 | case TARGET_LINUX_SYS_getresgid32: | |
1275 | case TARGET_LINUX_SYS_getresgid: | |
1276 | { | |
1277 | uid_t rgid, egid, sgid; | |
1278 | ||
1279 | result = getresgid (&rgid, &egid, &sgid); | |
1280 | errcode = errno; | |
1281 | ||
1282 | if (result != 0) | |
1283 | break; | |
1284 | ||
1285 | *((uid_t *) t2h_addr (cb, &s, arg1)) = H2T_4 (rgid); | |
1286 | *((uid_t *) t2h_addr (cb, &s, arg2)) = H2T_4 (egid); | |
1287 | *((uid_t *) t2h_addr (cb, &s, arg3)) = H2T_4 (sgid); | |
1288 | } | |
1289 | break; | |
1290 | ||
1291 | case TARGET_LINUX_SYS_pread: | |
1292 | result = pread (arg1, (void *) t2h_addr (cb, &s, arg2), arg3, arg4); | |
1293 | errcode = errno; | |
1294 | break; | |
1295 | ||
1296 | case TARGET_LINUX_SYS_pwrite: | |
1297 | result = pwrite (arg1, (void *) t2h_addr (cb, &s, arg2), arg3, arg4); | |
1298 | errcode = errno; | |
1299 | break; | |
1300 | ||
1301 | case TARGET_LINUX_SYS_chown32: | |
1302 | case TARGET_LINUX_SYS_chown: | |
1303 | result = chown ((char *) t2h_addr (cb, &s, arg1), arg2, arg3); | |
1304 | errcode = errno; | |
1305 | break; | |
1306 | ||
1307 | case TARGET_LINUX_SYS_getcwd: | |
08a7937f MF |
1308 | { |
1309 | void *ret; | |
1310 | ||
1311 | ret = getcwd ((char *) t2h_addr (cb, &s, arg1), arg2); | |
1312 | result = ret == NULL ? 0 : arg1; | |
1313 | errcode = errno; | |
1314 | } | |
54af6227 MF |
1315 | break; |
1316 | ||
1317 | case TARGET_LINUX_SYS_sendfile: | |
1318 | { | |
1319 | off_t offset; | |
1320 | ||
1321 | offset = *((off_t *) t2h_addr (cb, &s, arg3)); | |
1322 | offset = T2H_4 (offset); | |
1323 | ||
1324 | result = sendfile (arg1, arg2, &offset, arg3); | |
1325 | errcode = errno; | |
1326 | ||
1327 | if (result != 0) | |
1328 | break; | |
1329 | ||
1330 | *((off_t *) t2h_addr (cb, &s, arg3)) = H2T_4 (offset); | |
1331 | } | |
1332 | break; | |
1333 | ||
1334 | default: | |
1335 | result = -1; | |
1336 | errcode = ENOSYS; | |
1337 | break; | |
1338 | } | |
1339 | ||
1340 | if (result == -1) | |
fe41f721 | 1341 | m32rbf_h_gr_set (current_cpu, 0, -errcode); |
54af6227 | 1342 | else |
fe41f721 MF |
1343 | m32rbf_h_gr_set (current_cpu, 0, result); |
1344 | break; | |
1345 | } | |
fe7f0b01 | 1346 | #endif |
fe41f721 | 1347 | |
c906108c SS |
1348 | case TRAP_BREAKPOINT: |
1349 | sim_engine_halt (sd, current_cpu, NULL, pc, | |
1350 | sim_stopped, SIM_SIGTRAP); | |
1351 | break; | |
1352 | ||
16b47b25 NC |
1353 | case TRAP_FLUSH_CACHE: |
1354 | /* Do nothing. */ | |
1355 | break; | |
1356 | ||
fe41f721 MF |
1357 | case_default: |
1358 | default: | |
c906108c | 1359 | { |
fe41f721 MF |
1360 | /* The new pc is the trap vector entry. |
1361 | We assume there's a branch there to some handler. | |
1362 | Use cr5 as EVB (EIT Vector Base) register. */ | |
16b47b25 | 1363 | /* USI new_pc = EIT_TRAP_BASE_ADDR + num * 4; */ |
fe41f721 | 1364 | USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4; |
c906108c SS |
1365 | return new_pc; |
1366 | } | |
1367 | } | |
1368 | ||
1369 | /* Fake an "rte" insn. */ | |
1370 | /* FIXME: Should duplicate all of rte processing. */ | |
1371 | return (pc & -4) + 4; | |
1372 | } |