Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Select target systems and architectures at runtime for GDB. |
b6ba6518 KB |
2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
3 | 2000, 2001 Free Software Foundation, Inc. | |
c906108c SS |
4 | Contributed by Cygnus Support. |
5 | ||
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include <errno.h> | |
c906108c SS |
25 | #include "gdb_string.h" |
26 | #include "target.h" | |
27 | #include "gdbcmd.h" | |
28 | #include "symtab.h" | |
29 | #include "inferior.h" | |
30 | #include "bfd.h" | |
31 | #include "symfile.h" | |
32 | #include "objfiles.h" | |
03f2053f | 33 | #include "gdb_wait.h" |
4930751a | 34 | #include "dcache.h" |
c906108c | 35 | #include <signal.h> |
4e052eda | 36 | #include "regcache.h" |
c906108c SS |
37 | |
38 | extern int errno; | |
39 | ||
a14ed312 | 40 | static void target_info (char *, int); |
c906108c | 41 | |
a14ed312 | 42 | static void cleanup_target (struct target_ops *); |
c906108c | 43 | |
a14ed312 | 44 | static void maybe_kill_then_create_inferior (char *, char *, char **); |
c906108c | 45 | |
a14ed312 | 46 | static void default_clone_and_follow_inferior (int, int *); |
c906108c | 47 | |
a14ed312 | 48 | static void maybe_kill_then_attach (char *, int); |
c906108c | 49 | |
a14ed312 | 50 | static void kill_or_be_killed (int); |
c906108c | 51 | |
a14ed312 | 52 | static void default_terminal_info (char *, int); |
c906108c | 53 | |
a14ed312 | 54 | static int nosymbol (char *, CORE_ADDR *); |
c906108c | 55 | |
a14ed312 | 56 | static void tcomplain (void); |
c906108c | 57 | |
a14ed312 | 58 | static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *); |
c906108c | 59 | |
a14ed312 | 60 | static int return_zero (void); |
c906108c | 61 | |
a14ed312 | 62 | static int return_one (void); |
c906108c | 63 | |
a14ed312 | 64 | void target_ignore (void); |
c906108c | 65 | |
a14ed312 | 66 | static void target_command (char *, int); |
c906108c | 67 | |
a14ed312 | 68 | static struct target_ops *find_default_run_target (char *); |
c906108c | 69 | |
a14ed312 | 70 | static void update_current_target (void); |
c906108c | 71 | |
a14ed312 | 72 | static void nosupport_runtime (void); |
392a587b | 73 | |
39f77062 | 74 | static void normal_target_post_startup_inferior (ptid_t ptid); |
392a587b | 75 | |
917317f4 JM |
76 | /* Transfer LEN bytes between target address MEMADDR and GDB address |
77 | MYADDR. Returns 0 for success, errno code for failure (which | |
78 | includes partial transfers -- if you want a more useful response to | |
79 | partial transfers, try either target_read_memory_partial or | |
80 | target_write_memory_partial). */ | |
c906108c SS |
81 | |
82 | static int | |
a14ed312 | 83 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write); |
c906108c | 84 | |
a14ed312 | 85 | static void init_dummy_target (void); |
c906108c | 86 | |
a14ed312 | 87 | static void debug_to_open (char *, int); |
c906108c | 88 | |
a14ed312 | 89 | static void debug_to_close (int); |
c906108c | 90 | |
a14ed312 | 91 | static void debug_to_attach (char *, int); |
c906108c | 92 | |
a14ed312 | 93 | static void debug_to_detach (char *, int); |
c906108c | 94 | |
39f77062 | 95 | static void debug_to_resume (ptid_t, int, enum target_signal); |
c906108c | 96 | |
39f77062 | 97 | static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *); |
c906108c | 98 | |
a14ed312 | 99 | static void debug_to_fetch_registers (int); |
c906108c | 100 | |
a14ed312 | 101 | static void debug_to_store_registers (int); |
c906108c | 102 | |
a14ed312 | 103 | static void debug_to_prepare_to_store (void); |
c906108c SS |
104 | |
105 | static int | |
29e57380 C |
106 | debug_to_xfer_memory (CORE_ADDR, char *, int, int, struct mem_attrib *, |
107 | struct target_ops *); | |
c906108c | 108 | |
a14ed312 | 109 | static void debug_to_files_info (struct target_ops *); |
c906108c | 110 | |
a14ed312 | 111 | static int debug_to_insert_breakpoint (CORE_ADDR, char *); |
c906108c | 112 | |
a14ed312 | 113 | static int debug_to_remove_breakpoint (CORE_ADDR, char *); |
c906108c | 114 | |
a14ed312 | 115 | static void debug_to_terminal_init (void); |
c906108c | 116 | |
a14ed312 | 117 | static void debug_to_terminal_inferior (void); |
c906108c | 118 | |
a14ed312 | 119 | static void debug_to_terminal_ours_for_output (void); |
c906108c | 120 | |
a14ed312 | 121 | static void debug_to_terminal_ours (void); |
c906108c | 122 | |
a14ed312 | 123 | static void debug_to_terminal_info (char *, int); |
c906108c | 124 | |
a14ed312 | 125 | static void debug_to_kill (void); |
c906108c | 126 | |
a14ed312 | 127 | static void debug_to_load (char *, int); |
c906108c | 128 | |
a14ed312 | 129 | static int debug_to_lookup_symbol (char *, CORE_ADDR *); |
c906108c | 130 | |
a14ed312 | 131 | static void debug_to_create_inferior (char *, char *, char **); |
c906108c | 132 | |
a14ed312 | 133 | static void debug_to_mourn_inferior (void); |
c906108c | 134 | |
a14ed312 | 135 | static int debug_to_can_run (void); |
c906108c | 136 | |
39f77062 | 137 | static void debug_to_notice_signals (ptid_t); |
c906108c | 138 | |
39f77062 | 139 | static int debug_to_thread_alive (ptid_t); |
c906108c | 140 | |
a14ed312 | 141 | static void debug_to_stop (void); |
c906108c | 142 | |
a14ed312 | 143 | static int debug_to_query (int /*char */ , char *, char *, int *); |
c906108c SS |
144 | |
145 | /* Pointer to array of target architecture structures; the size of the | |
146 | array; the current index into the array; the allocated size of the | |
147 | array. */ | |
148 | struct target_ops **target_structs; | |
149 | unsigned target_struct_size; | |
150 | unsigned target_struct_index; | |
151 | unsigned target_struct_allocsize; | |
152 | #define DEFAULT_ALLOCSIZE 10 | |
153 | ||
154 | /* The initial current target, so that there is always a semi-valid | |
155 | current target. */ | |
156 | ||
157 | static struct target_ops dummy_target; | |
158 | ||
159 | /* Top of target stack. */ | |
160 | ||
161 | struct target_stack_item *target_stack; | |
162 | ||
163 | /* The target structure we are currently using to talk to a process | |
164 | or file or whatever "inferior" we have. */ | |
165 | ||
166 | struct target_ops current_target; | |
167 | ||
168 | /* Command list for target. */ | |
169 | ||
170 | static struct cmd_list_element *targetlist = NULL; | |
171 | ||
172 | /* Nonzero if we are debugging an attached outside process | |
173 | rather than an inferior. */ | |
174 | ||
175 | int attach_flag; | |
176 | ||
c906108c SS |
177 | /* Non-zero if we want to see trace of target level stuff. */ |
178 | ||
179 | static int targetdebug = 0; | |
180 | ||
a14ed312 | 181 | static void setup_target_debug (void); |
c906108c | 182 | |
4930751a C |
183 | DCACHE *target_dcache; |
184 | ||
c906108c SS |
185 | /* The user just typed 'target' without the name of a target. */ |
186 | ||
187 | /* ARGSUSED */ | |
188 | static void | |
fba45db2 | 189 | target_command (char *arg, int from_tty) |
c906108c SS |
190 | { |
191 | fputs_filtered ("Argument required (target name). Try `help target'\n", | |
192 | gdb_stdout); | |
193 | } | |
194 | ||
195 | /* Add a possible target architecture to the list. */ | |
196 | ||
197 | void | |
fba45db2 | 198 | add_target (struct target_ops *t) |
c906108c SS |
199 | { |
200 | if (!target_structs) | |
201 | { | |
202 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
203 | target_structs = (struct target_ops **) xmalloc | |
204 | (target_struct_allocsize * sizeof (*target_structs)); | |
205 | } | |
206 | if (target_struct_size >= target_struct_allocsize) | |
207 | { | |
208 | target_struct_allocsize *= 2; | |
209 | target_structs = (struct target_ops **) | |
c5aa993b JM |
210 | xrealloc ((char *) target_structs, |
211 | target_struct_allocsize * sizeof (*target_structs)); | |
c906108c SS |
212 | } |
213 | target_structs[target_struct_size++] = t; | |
c5aa993b | 214 | /* cleanup_target (t); */ |
c906108c SS |
215 | |
216 | if (targetlist == NULL) | |
217 | add_prefix_cmd ("target", class_run, target_command, | |
218 | "Connect to a target machine or process.\n\ | |
219 | The first argument is the type or protocol of the target machine.\n\ | |
220 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
221 | information on the arguments for a particular protocol, type\n\ | |
222 | `help target ' followed by the protocol name.", | |
223 | &targetlist, "target ", 0, &cmdlist); | |
224 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
225 | } | |
226 | ||
227 | /* Stub functions */ | |
228 | ||
229 | void | |
fba45db2 | 230 | target_ignore (void) |
c906108c SS |
231 | { |
232 | } | |
233 | ||
11cf8741 JM |
234 | void |
235 | target_load (char *arg, int from_tty) | |
236 | { | |
4930751a | 237 | dcache_invalidate (target_dcache); |
11cf8741 JM |
238 | (*current_target.to_load) (arg, from_tty); |
239 | } | |
240 | ||
c906108c SS |
241 | /* ARGSUSED */ |
242 | static int | |
fba45db2 KB |
243 | nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
244 | struct target_ops *t) | |
c906108c | 245 | { |
c5aa993b JM |
246 | errno = EIO; /* Can't read/write this location */ |
247 | return 0; /* No bytes handled */ | |
c906108c SS |
248 | } |
249 | ||
250 | static void | |
fba45db2 | 251 | tcomplain (void) |
c906108c SS |
252 | { |
253 | error ("You can't do that when your target is `%s'", | |
254 | current_target.to_shortname); | |
255 | } | |
256 | ||
257 | void | |
fba45db2 | 258 | noprocess (void) |
c906108c SS |
259 | { |
260 | error ("You can't do that without a process to debug."); | |
261 | } | |
262 | ||
263 | /* ARGSUSED */ | |
264 | static int | |
fba45db2 | 265 | nosymbol (char *name, CORE_ADDR *addrp) |
c906108c | 266 | { |
c5aa993b | 267 | return 1; /* Symbol does not exist in target env */ |
c906108c SS |
268 | } |
269 | ||
270 | /* ARGSUSED */ | |
392a587b | 271 | static void |
fba45db2 | 272 | nosupport_runtime (void) |
c906108c | 273 | { |
39f77062 | 274 | if (ptid_equal (inferior_ptid, null_ptid)) |
c906108c SS |
275 | noprocess (); |
276 | else | |
277 | error ("No run-time support for this"); | |
278 | } | |
279 | ||
280 | ||
281 | /* ARGSUSED */ | |
282 | static void | |
fba45db2 | 283 | default_terminal_info (char *args, int from_tty) |
c906108c | 284 | { |
c5aa993b | 285 | printf_unfiltered ("No saved terminal information.\n"); |
c906108c SS |
286 | } |
287 | ||
288 | /* This is the default target_create_inferior and target_attach function. | |
289 | If the current target is executing, it asks whether to kill it off. | |
290 | If this function returns without calling error(), it has killed off | |
291 | the target, and the operation should be attempted. */ | |
292 | ||
293 | static void | |
fba45db2 | 294 | kill_or_be_killed (int from_tty) |
c906108c SS |
295 | { |
296 | if (target_has_execution) | |
297 | { | |
298 | printf_unfiltered ("You are already running a program:\n"); | |
299 | target_files_info (); | |
c5aa993b JM |
300 | if (query ("Kill it? ")) |
301 | { | |
302 | target_kill (); | |
303 | if (target_has_execution) | |
304 | error ("Killing the program did not help."); | |
305 | return; | |
306 | } | |
307 | else | |
308 | { | |
309 | error ("Program not killed."); | |
310 | } | |
c906108c | 311 | } |
c5aa993b | 312 | tcomplain (); |
c906108c SS |
313 | } |
314 | ||
315 | static void | |
fba45db2 | 316 | maybe_kill_then_attach (char *args, int from_tty) |
c906108c SS |
317 | { |
318 | kill_or_be_killed (from_tty); | |
319 | target_attach (args, from_tty); | |
320 | } | |
321 | ||
322 | static void | |
fba45db2 | 323 | maybe_kill_then_create_inferior (char *exec, char *args, char **env) |
c906108c SS |
324 | { |
325 | kill_or_be_killed (0); | |
326 | target_create_inferior (exec, args, env); | |
327 | } | |
328 | ||
329 | static void | |
fba45db2 | 330 | default_clone_and_follow_inferior (int child_pid, int *followed_child) |
c906108c SS |
331 | { |
332 | target_clone_and_follow_inferior (child_pid, followed_child); | |
333 | } | |
334 | ||
335 | /* Clean up a target struct so it no longer has any zero pointers in it. | |
336 | We default entries, at least to stubs that print error messages. */ | |
337 | ||
338 | static void | |
fba45db2 | 339 | cleanup_target (struct target_ops *t) |
c906108c SS |
340 | { |
341 | ||
342 | #define de_fault(field, value) \ | |
0d06e24b JM |
343 | if (!t->field) \ |
344 | t->field = value | |
345 | ||
346 | de_fault (to_open, | |
347 | (void (*) (char *, int)) | |
348 | tcomplain); | |
349 | de_fault (to_close, | |
350 | (void (*) (int)) | |
351 | target_ignore); | |
352 | de_fault (to_attach, | |
353 | maybe_kill_then_attach); | |
354 | de_fault (to_post_attach, | |
355 | (void (*) (int)) | |
356 | target_ignore); | |
357 | de_fault (to_require_attach, | |
358 | maybe_kill_then_attach); | |
359 | de_fault (to_detach, | |
360 | (void (*) (char *, int)) | |
361 | target_ignore); | |
362 | de_fault (to_require_detach, | |
363 | (void (*) (int, char *, int)) | |
364 | target_ignore); | |
365 | de_fault (to_resume, | |
39f77062 | 366 | (void (*) (ptid_t, int, enum target_signal)) |
0d06e24b JM |
367 | noprocess); |
368 | de_fault (to_wait, | |
39f77062 | 369 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) |
0d06e24b JM |
370 | noprocess); |
371 | de_fault (to_post_wait, | |
39f77062 | 372 | (void (*) (ptid_t, int)) |
0d06e24b JM |
373 | target_ignore); |
374 | de_fault (to_fetch_registers, | |
375 | (void (*) (int)) | |
376 | target_ignore); | |
377 | de_fault (to_store_registers, | |
378 | (void (*) (int)) | |
379 | noprocess); | |
380 | de_fault (to_prepare_to_store, | |
381 | (void (*) (void)) | |
382 | noprocess); | |
383 | de_fault (to_xfer_memory, | |
29e57380 | 384 | (int (*) (CORE_ADDR, char *, int, int, struct mem_attrib *, struct target_ops *)) |
0d06e24b JM |
385 | nomemory); |
386 | de_fault (to_files_info, | |
387 | (void (*) (struct target_ops *)) | |
388 | target_ignore); | |
389 | de_fault (to_insert_breakpoint, | |
390 | memory_insert_breakpoint); | |
391 | de_fault (to_remove_breakpoint, | |
392 | memory_remove_breakpoint); | |
393 | de_fault (to_terminal_init, | |
394 | (void (*) (void)) | |
395 | target_ignore); | |
396 | de_fault (to_terminal_inferior, | |
397 | (void (*) (void)) | |
398 | target_ignore); | |
399 | de_fault (to_terminal_ours_for_output, | |
400 | (void (*) (void)) | |
401 | target_ignore); | |
402 | de_fault (to_terminal_ours, | |
403 | (void (*) (void)) | |
404 | target_ignore); | |
405 | de_fault (to_terminal_info, | |
406 | default_terminal_info); | |
407 | de_fault (to_kill, | |
408 | (void (*) (void)) | |
409 | noprocess); | |
410 | de_fault (to_load, | |
411 | (void (*) (char *, int)) | |
412 | tcomplain); | |
413 | de_fault (to_lookup_symbol, | |
414 | (int (*) (char *, CORE_ADDR *)) | |
415 | nosymbol); | |
416 | de_fault (to_create_inferior, | |
417 | maybe_kill_then_create_inferior); | |
418 | de_fault (to_post_startup_inferior, | |
39f77062 | 419 | (void (*) (ptid_t)) |
0d06e24b JM |
420 | target_ignore); |
421 | de_fault (to_acknowledge_created_inferior, | |
422 | (void (*) (int)) | |
423 | target_ignore); | |
424 | de_fault (to_clone_and_follow_inferior, | |
425 | default_clone_and_follow_inferior); | |
426 | de_fault (to_post_follow_inferior_by_clone, | |
427 | (void (*) (void)) | |
428 | target_ignore); | |
429 | de_fault (to_insert_fork_catchpoint, | |
430 | (int (*) (int)) | |
431 | tcomplain); | |
432 | de_fault (to_remove_fork_catchpoint, | |
433 | (int (*) (int)) | |
434 | tcomplain); | |
435 | de_fault (to_insert_vfork_catchpoint, | |
436 | (int (*) (int)) | |
437 | tcomplain); | |
438 | de_fault (to_remove_vfork_catchpoint, | |
439 | (int (*) (int)) | |
440 | tcomplain); | |
441 | de_fault (to_has_forked, | |
442 | (int (*) (int, int *)) | |
443 | return_zero); | |
444 | de_fault (to_has_vforked, | |
445 | (int (*) (int, int *)) | |
446 | return_zero); | |
447 | de_fault (to_can_follow_vfork_prior_to_exec, | |
448 | (int (*) (void)) | |
449 | return_zero); | |
450 | de_fault (to_post_follow_vfork, | |
451 | (void (*) (int, int, int, int)) | |
452 | target_ignore); | |
453 | de_fault (to_insert_exec_catchpoint, | |
454 | (int (*) (int)) | |
455 | tcomplain); | |
456 | de_fault (to_remove_exec_catchpoint, | |
457 | (int (*) (int)) | |
458 | tcomplain); | |
459 | de_fault (to_has_execd, | |
460 | (int (*) (int, char **)) | |
461 | return_zero); | |
462 | de_fault (to_reported_exec_events_per_exec_call, | |
463 | (int (*) (void)) | |
464 | return_one); | |
465 | de_fault (to_has_syscall_event, | |
466 | (int (*) (int, enum target_waitkind *, int *)) | |
467 | return_zero); | |
468 | de_fault (to_has_exited, | |
469 | (int (*) (int, int, int *)) | |
470 | return_zero); | |
471 | de_fault (to_mourn_inferior, | |
472 | (void (*) (void)) | |
473 | noprocess); | |
474 | de_fault (to_can_run, | |
475 | return_zero); | |
476 | de_fault (to_notice_signals, | |
39f77062 | 477 | (void (*) (ptid_t)) |
0d06e24b JM |
478 | target_ignore); |
479 | de_fault (to_thread_alive, | |
39f77062 | 480 | (int (*) (ptid_t)) |
0d06e24b JM |
481 | return_zero); |
482 | de_fault (to_find_new_threads, | |
483 | (void (*) (void)) | |
484 | target_ignore); | |
485 | de_fault (to_extra_thread_info, | |
486 | (char *(*) (struct thread_info *)) | |
487 | return_zero); | |
488 | de_fault (to_stop, | |
489 | (void (*) (void)) | |
490 | target_ignore); | |
491 | de_fault (to_query, | |
492 | (int (*) (int, char *, char *, int *)) | |
493 | return_zero); | |
494 | de_fault (to_rcmd, | |
d9fcf2fb | 495 | (void (*) (char *, struct ui_file *)) |
0d06e24b JM |
496 | tcomplain); |
497 | de_fault (to_enable_exception_callback, | |
498 | (struct symtab_and_line * (*) (enum exception_event_kind, int)) | |
499 | nosupport_runtime); | |
500 | de_fault (to_get_current_exception_event, | |
501 | (struct exception_event_record * (*) (void)) | |
502 | nosupport_runtime); | |
503 | de_fault (to_pid_to_exec_file, | |
504 | (char *(*) (int)) | |
505 | return_zero); | |
0d06e24b JM |
506 | de_fault (to_can_async_p, |
507 | (int (*) (void)) | |
508 | return_zero); | |
509 | de_fault (to_is_async_p, | |
510 | (int (*) (void)) | |
511 | return_zero); | |
512 | de_fault (to_async, | |
513 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
514 | tcomplain); | |
c906108c SS |
515 | #undef de_fault |
516 | } | |
517 | ||
518 | /* Go through the target stack from top to bottom, copying over zero entries in | |
519 | current_target. In effect, we are doing class inheritance through the | |
520 | pushed target vectors. */ | |
521 | ||
522 | static void | |
fba45db2 | 523 | update_current_target (void) |
c906108c SS |
524 | { |
525 | struct target_stack_item *item; | |
526 | struct target_ops *t; | |
527 | ||
528 | /* First, reset current_target */ | |
529 | memset (¤t_target, 0, sizeof current_target); | |
530 | ||
531 | for (item = target_stack; item; item = item->next) | |
532 | { | |
533 | t = item->target_ops; | |
534 | ||
535 | #define INHERIT(FIELD, TARGET) \ | |
536 | if (!current_target.FIELD) \ | |
537 | current_target.FIELD = TARGET->FIELD | |
538 | ||
539 | INHERIT (to_shortname, t); | |
540 | INHERIT (to_longname, t); | |
541 | INHERIT (to_doc, t); | |
542 | INHERIT (to_open, t); | |
543 | INHERIT (to_close, t); | |
544 | INHERIT (to_attach, t); | |
545 | INHERIT (to_post_attach, t); | |
546 | INHERIT (to_require_attach, t); | |
547 | INHERIT (to_detach, t); | |
548 | INHERIT (to_require_detach, t); | |
549 | INHERIT (to_resume, t); | |
550 | INHERIT (to_wait, t); | |
551 | INHERIT (to_post_wait, t); | |
552 | INHERIT (to_fetch_registers, t); | |
553 | INHERIT (to_store_registers, t); | |
554 | INHERIT (to_prepare_to_store, t); | |
555 | INHERIT (to_xfer_memory, t); | |
556 | INHERIT (to_files_info, t); | |
557 | INHERIT (to_insert_breakpoint, t); | |
558 | INHERIT (to_remove_breakpoint, t); | |
559 | INHERIT (to_terminal_init, t); | |
560 | INHERIT (to_terminal_inferior, t); | |
561 | INHERIT (to_terminal_ours_for_output, t); | |
562 | INHERIT (to_terminal_ours, t); | |
563 | INHERIT (to_terminal_info, t); | |
564 | INHERIT (to_kill, t); | |
565 | INHERIT (to_load, t); | |
566 | INHERIT (to_lookup_symbol, t); | |
567 | INHERIT (to_create_inferior, t); | |
568 | INHERIT (to_post_startup_inferior, t); | |
569 | INHERIT (to_acknowledge_created_inferior, t); | |
570 | INHERIT (to_clone_and_follow_inferior, t); | |
571 | INHERIT (to_post_follow_inferior_by_clone, t); | |
572 | INHERIT (to_insert_fork_catchpoint, t); | |
573 | INHERIT (to_remove_fork_catchpoint, t); | |
574 | INHERIT (to_insert_vfork_catchpoint, t); | |
575 | INHERIT (to_remove_vfork_catchpoint, t); | |
576 | INHERIT (to_has_forked, t); | |
577 | INHERIT (to_has_vforked, t); | |
578 | INHERIT (to_can_follow_vfork_prior_to_exec, t); | |
579 | INHERIT (to_post_follow_vfork, t); | |
580 | INHERIT (to_insert_exec_catchpoint, t); | |
581 | INHERIT (to_remove_exec_catchpoint, t); | |
582 | INHERIT (to_has_execd, t); | |
583 | INHERIT (to_reported_exec_events_per_exec_call, t); | |
584 | INHERIT (to_has_syscall_event, t); | |
585 | INHERIT (to_has_exited, t); | |
586 | INHERIT (to_mourn_inferior, t); | |
587 | INHERIT (to_can_run, t); | |
588 | INHERIT (to_notice_signals, t); | |
589 | INHERIT (to_thread_alive, t); | |
b83266a0 | 590 | INHERIT (to_find_new_threads, t); |
ed9a39eb | 591 | INHERIT (to_pid_to_str, t); |
0d06e24b | 592 | INHERIT (to_extra_thread_info, t); |
c906108c SS |
593 | INHERIT (to_stop, t); |
594 | INHERIT (to_query, t); | |
96baa820 | 595 | INHERIT (to_rcmd, t); |
c906108c SS |
596 | INHERIT (to_enable_exception_callback, t); |
597 | INHERIT (to_get_current_exception_event, t); | |
598 | INHERIT (to_pid_to_exec_file, t); | |
c906108c SS |
599 | INHERIT (to_stratum, t); |
600 | INHERIT (DONT_USE, t); | |
601 | INHERIT (to_has_all_memory, t); | |
602 | INHERIT (to_has_memory, t); | |
603 | INHERIT (to_has_stack, t); | |
604 | INHERIT (to_has_registers, t); | |
605 | INHERIT (to_has_execution, t); | |
606 | INHERIT (to_has_thread_control, t); | |
607 | INHERIT (to_sections, t); | |
608 | INHERIT (to_sections_end, t); | |
6426a772 JM |
609 | INHERIT (to_can_async_p, t); |
610 | INHERIT (to_is_async_p, t); | |
611 | INHERIT (to_async, t); | |
ed9a39eb | 612 | INHERIT (to_async_mask_value, t); |
c906108c SS |
613 | INHERIT (to_magic, t); |
614 | ||
615 | #undef INHERIT | |
616 | } | |
617 | } | |
618 | ||
619 | /* Push a new target type into the stack of the existing target accessors, | |
620 | possibly superseding some of the existing accessors. | |
621 | ||
622 | Result is zero if the pushed target ended up on top of the stack, | |
623 | nonzero if at least one target is on top of it. | |
624 | ||
625 | Rather than allow an empty stack, we always have the dummy target at | |
626 | the bottom stratum, so we can call the function vectors without | |
627 | checking them. */ | |
628 | ||
629 | int | |
fba45db2 | 630 | push_target (struct target_ops *t) |
c906108c SS |
631 | { |
632 | struct target_stack_item *cur, *prev, *tmp; | |
633 | ||
634 | /* Check magic number. If wrong, it probably means someone changed | |
635 | the struct definition, but not all the places that initialize one. */ | |
636 | if (t->to_magic != OPS_MAGIC) | |
637 | { | |
c5aa993b JM |
638 | fprintf_unfiltered (gdb_stderr, |
639 | "Magic number of %s target struct wrong\n", | |
640 | t->to_shortname); | |
e1e9e218 | 641 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
642 | } |
643 | ||
644 | /* Find the proper stratum to install this target in. */ | |
645 | ||
646 | for (prev = NULL, cur = target_stack; cur; prev = cur, cur = cur->next) | |
647 | { | |
c5aa993b | 648 | if ((int) (t->to_stratum) >= (int) (cur->target_ops->to_stratum)) |
c906108c SS |
649 | break; |
650 | } | |
651 | ||
652 | /* If there's already targets at this stratum, remove them. */ | |
653 | ||
654 | if (cur) | |
655 | while (t->to_stratum == cur->target_ops->to_stratum) | |
656 | { | |
657 | /* There's already something on this stratum. Close it off. */ | |
658 | if (cur->target_ops->to_close) | |
659 | (cur->target_ops->to_close) (0); | |
660 | if (prev) | |
c5aa993b | 661 | prev->next = cur->next; /* Unchain old target_ops */ |
c906108c | 662 | else |
c5aa993b | 663 | target_stack = cur->next; /* Unchain first on list */ |
c906108c | 664 | tmp = cur->next; |
b8c9b27d | 665 | xfree (cur); |
c906108c SS |
666 | cur = tmp; |
667 | } | |
668 | ||
669 | /* We have removed all targets in our stratum, now add the new one. */ | |
670 | ||
671 | tmp = (struct target_stack_item *) | |
672 | xmalloc (sizeof (struct target_stack_item)); | |
673 | tmp->next = cur; | |
674 | tmp->target_ops = t; | |
675 | ||
676 | if (prev) | |
677 | prev->next = tmp; | |
678 | else | |
679 | target_stack = tmp; | |
680 | ||
681 | update_current_target (); | |
682 | ||
c5aa993b | 683 | cleanup_target (¤t_target); /* Fill in the gaps */ |
c906108c | 684 | |
c906108c SS |
685 | if (targetdebug) |
686 | setup_target_debug (); | |
c906108c SS |
687 | |
688 | return prev != 0; | |
689 | } | |
690 | ||
691 | /* Remove a target_ops vector from the stack, wherever it may be. | |
692 | Return how many times it was removed (0 or 1). */ | |
693 | ||
694 | int | |
fba45db2 | 695 | unpush_target (struct target_ops *t) |
c906108c SS |
696 | { |
697 | struct target_stack_item *cur, *prev; | |
698 | ||
699 | if (t->to_close) | |
700 | t->to_close (0); /* Let it clean up */ | |
701 | ||
702 | /* Look for the specified target. Note that we assume that a target | |
703 | can only occur once in the target stack. */ | |
704 | ||
705 | for (cur = target_stack, prev = NULL; cur; prev = cur, cur = cur->next) | |
706 | if (cur->target_ops == t) | |
707 | break; | |
708 | ||
709 | if (!cur) | |
710 | return 0; /* Didn't find target_ops, quit now */ | |
711 | ||
712 | /* Unchain the target */ | |
713 | ||
714 | if (!prev) | |
715 | target_stack = cur->next; | |
716 | else | |
717 | prev->next = cur->next; | |
718 | ||
b8c9b27d | 719 | xfree (cur); /* Release the target_stack_item */ |
c906108c SS |
720 | |
721 | update_current_target (); | |
722 | cleanup_target (¤t_target); | |
723 | ||
724 | return 1; | |
725 | } | |
726 | ||
727 | void | |
fba45db2 | 728 | pop_target (void) |
c906108c | 729 | { |
c5aa993b | 730 | (current_target.to_close) (0); /* Let it clean up */ |
c906108c SS |
731 | if (unpush_target (target_stack->target_ops) == 1) |
732 | return; | |
733 | ||
c5aa993b JM |
734 | fprintf_unfiltered (gdb_stderr, |
735 | "pop_target couldn't find target %s\n", | |
736 | current_target.to_shortname); | |
e1e9e218 | 737 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
738 | } |
739 | ||
740 | #undef MIN | |
741 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
742 | ||
743 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
744 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
745 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
746 | is responsible for freeing it. Return the number of bytes successfully | |
747 | read. */ | |
748 | ||
749 | int | |
fba45db2 | 750 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
751 | { |
752 | int tlen, origlen, offset, i; | |
753 | char buf[4]; | |
754 | int errcode = 0; | |
755 | char *buffer; | |
756 | int buffer_allocated; | |
757 | char *bufptr; | |
758 | unsigned int nbytes_read = 0; | |
759 | ||
760 | /* Small for testing. */ | |
761 | buffer_allocated = 4; | |
762 | buffer = xmalloc (buffer_allocated); | |
763 | bufptr = buffer; | |
764 | ||
765 | origlen = len; | |
766 | ||
767 | while (len > 0) | |
768 | { | |
769 | tlen = MIN (len, 4 - (memaddr & 3)); | |
770 | offset = memaddr & 3; | |
771 | ||
d4b2399a | 772 | errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0); |
c906108c SS |
773 | if (errcode != 0) |
774 | { | |
775 | /* The transfer request might have crossed the boundary to an | |
776 | unallocated region of memory. Retry the transfer, requesting | |
777 | a single byte. */ | |
778 | tlen = 1; | |
779 | offset = 0; | |
d4b2399a | 780 | errcode = target_xfer_memory (memaddr, buf, 1, 0); |
c906108c SS |
781 | if (errcode != 0) |
782 | goto done; | |
783 | } | |
784 | ||
785 | if (bufptr - buffer + tlen > buffer_allocated) | |
786 | { | |
787 | unsigned int bytes; | |
788 | bytes = bufptr - buffer; | |
789 | buffer_allocated *= 2; | |
790 | buffer = xrealloc (buffer, buffer_allocated); | |
791 | bufptr = buffer + bytes; | |
792 | } | |
793 | ||
794 | for (i = 0; i < tlen; i++) | |
795 | { | |
796 | *bufptr++ = buf[i + offset]; | |
797 | if (buf[i + offset] == '\000') | |
798 | { | |
799 | nbytes_read += i + 1; | |
800 | goto done; | |
801 | } | |
802 | } | |
803 | ||
804 | memaddr += tlen; | |
805 | len -= tlen; | |
806 | nbytes_read += tlen; | |
807 | } | |
c5aa993b | 808 | done: |
c906108c SS |
809 | if (errnop != NULL) |
810 | *errnop = errcode; | |
811 | if (string != NULL) | |
812 | *string = buffer; | |
813 | return nbytes_read; | |
814 | } | |
815 | ||
816 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in | |
817 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
818 | if any error occurs. | |
819 | ||
820 | If an error occurs, no guarantee is made about the contents of the data at | |
821 | MYADDR. In particular, the caller should not depend upon partial reads | |
822 | filling the buffer with good data. There is no way for the caller to know | |
823 | how much good data might have been transfered anyway. Callers that can | |
824 | deal with partial reads should call target_read_memory_partial. */ | |
825 | ||
826 | int | |
fba45db2 | 827 | target_read_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 828 | { |
d4b2399a | 829 | return target_xfer_memory (memaddr, myaddr, len, 0); |
c906108c SS |
830 | } |
831 | ||
c906108c | 832 | int |
fba45db2 | 833 | target_write_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 834 | { |
d4b2399a | 835 | return target_xfer_memory (memaddr, myaddr, len, 1); |
c906108c | 836 | } |
c5aa993b | 837 | |
67e0617e C |
838 | /* Move memory to or from the targets. The top target gets priority; |
839 | if it cannot handle it, it is offered to the next one down, etc. | |
c906108c | 840 | |
67e0617e | 841 | Result is -1 on error, or the number of bytes transfered. */ |
c906108c | 842 | |
4930751a | 843 | int |
29e57380 C |
844 | do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
845 | struct mem_attrib *attrib) | |
c906108c | 846 | { |
c906108c | 847 | int res; |
4930751a | 848 | int done = 0; |
c906108c SS |
849 | struct target_ops *t; |
850 | struct target_stack_item *item; | |
851 | ||
852 | /* Zero length requests are ok and require no work. */ | |
853 | if (len == 0) | |
854 | return 0; | |
855 | ||
c906108c SS |
856 | /* to_xfer_memory is not guaranteed to set errno, even when it returns |
857 | 0. */ | |
858 | errno = 0; | |
859 | ||
67e0617e | 860 | /* The quick case is that the top target can handle the transfer. */ |
c906108c | 861 | res = current_target.to_xfer_memory |
29e57380 | 862 | (memaddr, myaddr, len, write, attrib, ¤t_target); |
c906108c | 863 | |
67e0617e C |
864 | /* If res <= 0 then we call it again in the loop. Ah well. */ |
865 | if (res <= 0) | |
c906108c | 866 | { |
c906108c SS |
867 | for (item = target_stack; item; item = item->next) |
868 | { | |
869 | t = item->target_ops; | |
870 | if (!t->to_has_memory) | |
871 | continue; | |
872 | ||
29e57380 | 873 | res = t->to_xfer_memory (memaddr, myaddr, len, write, attrib, t); |
c906108c SS |
874 | if (res > 0) |
875 | break; /* Handled all or part of xfer */ | |
876 | if (t->to_has_all_memory) | |
877 | break; | |
878 | } | |
879 | ||
4930751a | 880 | if (res <= 0) |
67e0617e | 881 | return -1; |
4930751a | 882 | } |
67e0617e C |
883 | |
884 | return res; | |
4930751a C |
885 | } |
886 | ||
67e0617e C |
887 | |
888 | /* Perform a memory transfer. Iterate until the entire region has | |
889 | been transfered. | |
890 | ||
891 | Result is 0 or errno value. */ | |
892 | ||
4930751a C |
893 | static int |
894 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write) | |
895 | { | |
896 | int res; | |
29e57380 C |
897 | int reg_len; |
898 | struct mem_region *region; | |
4930751a C |
899 | |
900 | /* Zero length requests are ok and require no work. */ | |
901 | if (len == 0) | |
902 | { | |
903 | return 0; | |
904 | } | |
905 | ||
906 | while (len > 0) | |
907 | { | |
29e57380 C |
908 | region = lookup_mem_region(memaddr); |
909 | if (memaddr + len < region->hi) | |
910 | reg_len = len; | |
911 | else | |
912 | reg_len = region->hi - memaddr; | |
913 | ||
914 | switch (region->attrib.mode) | |
c906108c | 915 | { |
29e57380 C |
916 | case MEM_RO: |
917 | if (write) | |
918 | return EIO; | |
919 | break; | |
920 | ||
921 | case MEM_WO: | |
c906108c | 922 | if (!write) |
c906108c | 923 | return EIO; |
29e57380 | 924 | break; |
c906108c | 925 | } |
4930751a | 926 | |
29e57380 C |
927 | while (reg_len > 0) |
928 | { | |
929 | if (region->attrib.cache) | |
930 | res = dcache_xfer_memory(target_dcache, memaddr, myaddr, | |
931 | reg_len, write); | |
932 | else | |
933 | res = do_xfer_memory(memaddr, myaddr, reg_len, write, | |
934 | ®ion->attrib); | |
935 | ||
936 | if (res <= 0) | |
937 | { | |
938 | /* If this address is for nonexistent memory, read zeros | |
939 | if reading, or do nothing if writing. Return | |
940 | error. */ | |
941 | if (!write) | |
942 | memset (myaddr, 0, len); | |
943 | if (errno == 0) | |
944 | return EIO; | |
945 | else | |
946 | return errno; | |
947 | } | |
948 | ||
949 | memaddr += res; | |
950 | myaddr += res; | |
951 | len -= res; | |
952 | reg_len -= res; | |
953 | } | |
c906108c | 954 | } |
4930751a | 955 | |
c906108c SS |
956 | return 0; /* We managed to cover it all somehow. */ |
957 | } | |
958 | ||
959 | ||
67e0617e C |
960 | /* Perform a partial memory transfer. |
961 | ||
962 | Result is -1 on error, or the number of bytes transfered. */ | |
917317f4 JM |
963 | |
964 | static int | |
4930751a | 965 | target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len, |
917317f4 JM |
966 | int write_p, int *err) |
967 | { | |
968 | int res; | |
29e57380 C |
969 | int reg_len; |
970 | struct mem_region *region; | |
917317f4 JM |
971 | |
972 | /* Zero length requests are ok and require no work. */ | |
973 | if (len == 0) | |
974 | { | |
975 | *err = 0; | |
976 | return 0; | |
977 | } | |
978 | ||
29e57380 C |
979 | region = lookup_mem_region(memaddr); |
980 | if (memaddr + len < region->hi) | |
981 | reg_len = len; | |
982 | else | |
983 | reg_len = region->hi - memaddr; | |
984 | ||
985 | switch (region->attrib.mode) | |
986 | { | |
987 | case MEM_RO: | |
988 | if (write_p) | |
989 | { | |
990 | *err = EIO; | |
873406a6 | 991 | return -1; |
29e57380 C |
992 | } |
993 | break; | |
994 | ||
995 | case MEM_WO: | |
996 | if (write_p) | |
997 | { | |
998 | *err = EIO; | |
873406a6 | 999 | return -1; |
29e57380 C |
1000 | } |
1001 | break; | |
1002 | } | |
1003 | ||
1004 | if (region->attrib.cache) | |
1005 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, | |
1006 | reg_len, write_p); | |
1007 | else | |
1008 | res = do_xfer_memory (memaddr, myaddr, reg_len, write_p, | |
1009 | ®ion->attrib); | |
1010 | ||
4930751a | 1011 | if (res <= 0) |
917317f4 | 1012 | { |
4930751a C |
1013 | if (errno != 0) |
1014 | *err = errno; | |
1015 | else | |
1016 | *err = EIO; | |
917317f4 | 1017 | |
4930751a | 1018 | return -1; |
917317f4 JM |
1019 | } |
1020 | ||
4930751a | 1021 | *err = 0; |
67e0617e | 1022 | return res; |
917317f4 JM |
1023 | } |
1024 | ||
1025 | int | |
1026 | target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1027 | { | |
1028 | return target_xfer_memory_partial (memaddr, buf, len, 0, err); | |
1029 | } | |
1030 | ||
1031 | int | |
1032 | target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1033 | { | |
1034 | return target_xfer_memory_partial (memaddr, buf, len, 1, err); | |
1035 | } | |
1036 | ||
c906108c SS |
1037 | /* ARGSUSED */ |
1038 | static void | |
fba45db2 | 1039 | target_info (char *args, int from_tty) |
c906108c SS |
1040 | { |
1041 | struct target_ops *t; | |
1042 | struct target_stack_item *item; | |
1043 | int has_all_mem = 0; | |
c5aa993b | 1044 | |
c906108c SS |
1045 | if (symfile_objfile != NULL) |
1046 | printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name); | |
1047 | ||
1048 | #ifdef FILES_INFO_HOOK | |
1049 | if (FILES_INFO_HOOK ()) | |
1050 | return; | |
1051 | #endif | |
1052 | ||
1053 | for (item = target_stack; item; item = item->next) | |
1054 | { | |
1055 | t = item->target_ops; | |
1056 | ||
1057 | if (!t->to_has_memory) | |
1058 | continue; | |
1059 | ||
c5aa993b | 1060 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1061 | continue; |
1062 | if (has_all_mem) | |
c5aa993b JM |
1063 | printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n"); |
1064 | printf_unfiltered ("%s:\n", t->to_longname); | |
1065 | (t->to_files_info) (t); | |
c906108c SS |
1066 | has_all_mem = t->to_has_all_memory; |
1067 | } | |
1068 | } | |
1069 | ||
1070 | /* This is to be called by the open routine before it does | |
1071 | anything. */ | |
1072 | ||
1073 | void | |
fba45db2 | 1074 | target_preopen (int from_tty) |
c906108c | 1075 | { |
c5aa993b | 1076 | dont_repeat (); |
c906108c SS |
1077 | |
1078 | if (target_has_execution) | |
c5aa993b | 1079 | { |
adf40b2e JM |
1080 | if (!from_tty |
1081 | || query ("A program is being debugged already. Kill it? ")) | |
c5aa993b | 1082 | target_kill (); |
c906108c | 1083 | else |
c5aa993b | 1084 | error ("Program not killed."); |
c906108c SS |
1085 | } |
1086 | ||
1087 | /* Calling target_kill may remove the target from the stack. But if | |
1088 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1089 | ||
1090 | if (target_has_execution) | |
1091 | pop_target (); | |
1092 | } | |
1093 | ||
1094 | /* Detach a target after doing deferred register stores. */ | |
1095 | ||
1096 | void | |
fba45db2 | 1097 | target_detach (char *args, int from_tty) |
c906108c SS |
1098 | { |
1099 | /* Handle any optimized stores to the inferior. */ | |
1100 | #ifdef DO_DEFERRED_STORES | |
1101 | DO_DEFERRED_STORES; | |
1102 | #endif | |
1103 | (current_target.to_detach) (args, from_tty); | |
1104 | } | |
1105 | ||
1106 | void | |
fba45db2 | 1107 | target_link (char *modname, CORE_ADDR *t_reloc) |
c906108c | 1108 | { |
c5aa993b | 1109 | if (STREQ (current_target.to_shortname, "rombug")) |
c906108c SS |
1110 | { |
1111 | (current_target.to_lookup_symbol) (modname, t_reloc); | |
1112 | if (*t_reloc == 0) | |
c5aa993b | 1113 | error ("Unable to link to %s and get relocation in rombug", modname); |
c906108c SS |
1114 | } |
1115 | else | |
2acceee2 | 1116 | *t_reloc = (CORE_ADDR) -1; |
c906108c SS |
1117 | } |
1118 | ||
ed9a39eb JM |
1119 | int |
1120 | target_async_mask (int mask) | |
1121 | { | |
1122 | int saved_async_masked_status = target_async_mask_value; | |
1123 | target_async_mask_value = mask; | |
1124 | return saved_async_masked_status; | |
1125 | } | |
1126 | ||
c906108c SS |
1127 | /* Look through the list of possible targets for a target that can |
1128 | execute a run or attach command without any other data. This is | |
1129 | used to locate the default process stratum. | |
1130 | ||
1131 | Result is always valid (error() is called for errors). */ | |
1132 | ||
1133 | static struct target_ops * | |
fba45db2 | 1134 | find_default_run_target (char *do_mesg) |
c906108c SS |
1135 | { |
1136 | struct target_ops **t; | |
1137 | struct target_ops *runable = NULL; | |
1138 | int count; | |
1139 | ||
1140 | count = 0; | |
1141 | ||
1142 | for (t = target_structs; t < target_structs + target_struct_size; | |
1143 | ++t) | |
1144 | { | |
c5aa993b | 1145 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1146 | { |
1147 | runable = *t; | |
1148 | ++count; | |
1149 | } | |
1150 | } | |
1151 | ||
1152 | if (count != 1) | |
1153 | error ("Don't know how to %s. Try \"help target\".", do_mesg); | |
1154 | ||
1155 | return runable; | |
1156 | } | |
1157 | ||
1158 | void | |
fba45db2 | 1159 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1160 | { |
1161 | struct target_ops *t; | |
1162 | ||
c5aa993b | 1163 | t = find_default_run_target ("attach"); |
c906108c SS |
1164 | (t->to_attach) (args, from_tty); |
1165 | return; | |
1166 | } | |
1167 | ||
1168 | void | |
fba45db2 | 1169 | find_default_require_attach (char *args, int from_tty) |
c906108c SS |
1170 | { |
1171 | struct target_ops *t; | |
1172 | ||
c5aa993b | 1173 | t = find_default_run_target ("require_attach"); |
c906108c SS |
1174 | (t->to_require_attach) (args, from_tty); |
1175 | return; | |
1176 | } | |
1177 | ||
1178 | void | |
fba45db2 | 1179 | find_default_require_detach (int pid, char *args, int from_tty) |
c906108c SS |
1180 | { |
1181 | struct target_ops *t; | |
1182 | ||
c5aa993b | 1183 | t = find_default_run_target ("require_detach"); |
c906108c SS |
1184 | (t->to_require_detach) (pid, args, from_tty); |
1185 | return; | |
1186 | } | |
1187 | ||
1188 | void | |
fba45db2 | 1189 | find_default_create_inferior (char *exec_file, char *allargs, char **env) |
c906108c SS |
1190 | { |
1191 | struct target_ops *t; | |
1192 | ||
c5aa993b | 1193 | t = find_default_run_target ("run"); |
c906108c SS |
1194 | (t->to_create_inferior) (exec_file, allargs, env); |
1195 | return; | |
1196 | } | |
1197 | ||
1198 | void | |
fba45db2 | 1199 | find_default_clone_and_follow_inferior (int child_pid, int *followed_child) |
c906108c SS |
1200 | { |
1201 | struct target_ops *t; | |
1202 | ||
c5aa993b | 1203 | t = find_default_run_target ("run"); |
c906108c SS |
1204 | (t->to_clone_and_follow_inferior) (child_pid, followed_child); |
1205 | return; | |
1206 | } | |
1207 | ||
1208 | static int | |
fba45db2 | 1209 | return_zero (void) |
c906108c SS |
1210 | { |
1211 | return 0; | |
1212 | } | |
1213 | ||
1214 | static int | |
fba45db2 | 1215 | return_one (void) |
c906108c SS |
1216 | { |
1217 | return 1; | |
1218 | } | |
1219 | ||
6426a772 JM |
1220 | /* |
1221 | * Resize the to_sections pointer. Also make sure that anyone that | |
1222 | * was holding on to an old value of it gets updated. | |
1223 | * Returns the old size. | |
1224 | */ | |
1225 | ||
1226 | int | |
1227 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1228 | { | |
1229 | struct target_ops **t; | |
1230 | struct section_table *old_value; | |
1231 | int old_count; | |
1232 | ||
1233 | old_value = target->to_sections; | |
1234 | ||
1235 | if (target->to_sections) | |
1236 | { | |
1237 | old_count = target->to_sections_end - target->to_sections; | |
1238 | target->to_sections = (struct section_table *) | |
1239 | xrealloc ((char *) target->to_sections, | |
1240 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1241 | } | |
1242 | else | |
1243 | { | |
1244 | old_count = 0; | |
1245 | target->to_sections = (struct section_table *) | |
1246 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1247 | } | |
1248 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1249 | ||
1250 | /* Check to see if anyone else was pointing to this structure. | |
1251 | If old_value was null, then no one was. */ | |
1252 | ||
1253 | if (old_value) | |
1254 | { | |
1255 | for (t = target_structs; t < target_structs + target_struct_size; | |
1256 | ++t) | |
1257 | { | |
1258 | if ((*t)->to_sections == old_value) | |
1259 | { | |
1260 | (*t)->to_sections = target->to_sections; | |
1261 | (*t)->to_sections_end = target->to_sections_end; | |
1262 | } | |
1263 | } | |
1264 | } | |
1265 | ||
1266 | return old_count; | |
1267 | ||
1268 | } | |
1269 | ||
07cd4b97 JB |
1270 | /* Remove all target sections taken from ABFD. |
1271 | ||
1272 | Scan the current target stack for targets whose section tables | |
1273 | refer to sections from BFD, and remove those sections. We use this | |
1274 | when we notice that the inferior has unloaded a shared object, for | |
1275 | example. */ | |
1276 | void | |
1277 | remove_target_sections (bfd *abfd) | |
1278 | { | |
1279 | struct target_ops **t; | |
1280 | ||
1281 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1282 | { | |
1283 | struct section_table *src, *dest; | |
1284 | ||
1285 | dest = (*t)->to_sections; | |
1286 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1287 | if (src->bfd != abfd) | |
1288 | { | |
1289 | /* Keep this section. */ | |
1290 | if (dest < src) *dest = *src; | |
1291 | dest++; | |
1292 | } | |
1293 | ||
1294 | /* If we've dropped any sections, resize the section table. */ | |
1295 | if (dest < src) | |
1296 | target_resize_to_sections (*t, dest - src); | |
1297 | } | |
1298 | } | |
1299 | ||
1300 | ||
1301 | ||
1302 | ||
7a292a7a SS |
1303 | /* Find a single runnable target in the stack and return it. If for |
1304 | some reason there is more than one, return NULL. */ | |
1305 | ||
1306 | struct target_ops * | |
fba45db2 | 1307 | find_run_target (void) |
7a292a7a SS |
1308 | { |
1309 | struct target_ops **t; | |
1310 | struct target_ops *runable = NULL; | |
1311 | int count; | |
c5aa993b | 1312 | |
7a292a7a | 1313 | count = 0; |
c5aa993b | 1314 | |
7a292a7a SS |
1315 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1316 | { | |
c5aa993b | 1317 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1318 | { |
1319 | runable = *t; | |
1320 | ++count; | |
1321 | } | |
1322 | } | |
c5aa993b | 1323 | |
7a292a7a SS |
1324 | return (count == 1 ? runable : NULL); |
1325 | } | |
1326 | ||
ed9a39eb JM |
1327 | /* Find a single core_stratum target in the list of targets and return it. |
1328 | If for some reason there is more than one, return NULL. */ | |
1329 | ||
c906108c | 1330 | struct target_ops * |
fba45db2 | 1331 | find_core_target (void) |
c906108c SS |
1332 | { |
1333 | struct target_ops **t; | |
1334 | struct target_ops *runable = NULL; | |
1335 | int count; | |
c5aa993b | 1336 | |
c906108c | 1337 | count = 0; |
c5aa993b | 1338 | |
c906108c SS |
1339 | for (t = target_structs; t < target_structs + target_struct_size; |
1340 | ++t) | |
1341 | { | |
1342 | if ((*t)->to_stratum == core_stratum) | |
1343 | { | |
1344 | runable = *t; | |
1345 | ++count; | |
1346 | } | |
1347 | } | |
c5aa993b JM |
1348 | |
1349 | return (count == 1 ? runable : NULL); | |
c906108c | 1350 | } |
ed9a39eb JM |
1351 | |
1352 | /* | |
1353 | * Find the next target down the stack from the specified target. | |
1354 | */ | |
1355 | ||
1356 | struct target_ops * | |
fba45db2 | 1357 | find_target_beneath (struct target_ops *t) |
ed9a39eb JM |
1358 | { |
1359 | struct target_stack_item *cur; | |
1360 | ||
1361 | for (cur = target_stack; cur; cur = cur->next) | |
1362 | if (cur->target_ops == t) | |
1363 | break; | |
1364 | ||
1365 | if (cur == NULL || cur->next == NULL) | |
1366 | return NULL; | |
1367 | else | |
1368 | return cur->next->target_ops; | |
1369 | } | |
1370 | ||
c906108c SS |
1371 | \f |
1372 | /* The inferior process has died. Long live the inferior! */ | |
1373 | ||
1374 | void | |
fba45db2 | 1375 | generic_mourn_inferior (void) |
c906108c SS |
1376 | { |
1377 | extern int show_breakpoint_hit_counts; | |
1378 | ||
39f77062 | 1379 | inferior_ptid = null_ptid; |
c906108c SS |
1380 | attach_flag = 0; |
1381 | breakpoint_init_inferior (inf_exited); | |
1382 | registers_changed (); | |
1383 | ||
1384 | #ifdef CLEAR_DEFERRED_STORES | |
1385 | /* Delete any pending stores to the inferior... */ | |
1386 | CLEAR_DEFERRED_STORES; | |
1387 | #endif | |
1388 | ||
1389 | reopen_exec_file (); | |
1390 | reinit_frame_cache (); | |
1391 | ||
1392 | /* It is confusing to the user for ignore counts to stick around | |
1393 | from previous runs of the inferior. So clear them. */ | |
1394 | /* However, it is more confusing for the ignore counts to disappear when | |
1395 | using hit counts. So don't clear them if we're counting hits. */ | |
1396 | if (!show_breakpoint_hit_counts) | |
1397 | breakpoint_clear_ignore_counts (); | |
c5b739b5 FN |
1398 | |
1399 | if (detach_hook) | |
1400 | detach_hook (); | |
c906108c SS |
1401 | } |
1402 | \f | |
1403 | /* This table must match in order and size the signals in enum target_signal | |
1404 | in target.h. */ | |
9846de1b | 1405 | /* *INDENT-OFF* */ |
c906108c SS |
1406 | static struct { |
1407 | char *name; | |
1408 | char *string; | |
1409 | } signals [] = | |
1410 | { | |
1411 | {"0", "Signal 0"}, | |
1412 | {"SIGHUP", "Hangup"}, | |
1413 | {"SIGINT", "Interrupt"}, | |
1414 | {"SIGQUIT", "Quit"}, | |
1415 | {"SIGILL", "Illegal instruction"}, | |
1416 | {"SIGTRAP", "Trace/breakpoint trap"}, | |
1417 | {"SIGABRT", "Aborted"}, | |
1418 | {"SIGEMT", "Emulation trap"}, | |
1419 | {"SIGFPE", "Arithmetic exception"}, | |
1420 | {"SIGKILL", "Killed"}, | |
1421 | {"SIGBUS", "Bus error"}, | |
1422 | {"SIGSEGV", "Segmentation fault"}, | |
1423 | {"SIGSYS", "Bad system call"}, | |
1424 | {"SIGPIPE", "Broken pipe"}, | |
1425 | {"SIGALRM", "Alarm clock"}, | |
1426 | {"SIGTERM", "Terminated"}, | |
1427 | {"SIGURG", "Urgent I/O condition"}, | |
1428 | {"SIGSTOP", "Stopped (signal)"}, | |
1429 | {"SIGTSTP", "Stopped (user)"}, | |
1430 | {"SIGCONT", "Continued"}, | |
1431 | {"SIGCHLD", "Child status changed"}, | |
1432 | {"SIGTTIN", "Stopped (tty input)"}, | |
1433 | {"SIGTTOU", "Stopped (tty output)"}, | |
1434 | {"SIGIO", "I/O possible"}, | |
1435 | {"SIGXCPU", "CPU time limit exceeded"}, | |
1436 | {"SIGXFSZ", "File size limit exceeded"}, | |
1437 | {"SIGVTALRM", "Virtual timer expired"}, | |
1438 | {"SIGPROF", "Profiling timer expired"}, | |
1439 | {"SIGWINCH", "Window size changed"}, | |
1440 | {"SIGLOST", "Resource lost"}, | |
1441 | {"SIGUSR1", "User defined signal 1"}, | |
1442 | {"SIGUSR2", "User defined signal 2"}, | |
1443 | {"SIGPWR", "Power fail/restart"}, | |
1444 | {"SIGPOLL", "Pollable event occurred"}, | |
1445 | {"SIGWIND", "SIGWIND"}, | |
1446 | {"SIGPHONE", "SIGPHONE"}, | |
1447 | {"SIGWAITING", "Process's LWPs are blocked"}, | |
1448 | {"SIGLWP", "Signal LWP"}, | |
1449 | {"SIGDANGER", "Swap space dangerously low"}, | |
1450 | {"SIGGRANT", "Monitor mode granted"}, | |
1451 | {"SIGRETRACT", "Need to relinquish monitor mode"}, | |
1452 | {"SIGMSG", "Monitor mode data available"}, | |
1453 | {"SIGSOUND", "Sound completed"}, | |
1454 | {"SIGSAK", "Secure attention"}, | |
1455 | {"SIGPRIO", "SIGPRIO"}, | |
1456 | {"SIG33", "Real-time event 33"}, | |
1457 | {"SIG34", "Real-time event 34"}, | |
1458 | {"SIG35", "Real-time event 35"}, | |
1459 | {"SIG36", "Real-time event 36"}, | |
1460 | {"SIG37", "Real-time event 37"}, | |
1461 | {"SIG38", "Real-time event 38"}, | |
1462 | {"SIG39", "Real-time event 39"}, | |
1463 | {"SIG40", "Real-time event 40"}, | |
1464 | {"SIG41", "Real-time event 41"}, | |
1465 | {"SIG42", "Real-time event 42"}, | |
1466 | {"SIG43", "Real-time event 43"}, | |
1467 | {"SIG44", "Real-time event 44"}, | |
1468 | {"SIG45", "Real-time event 45"}, | |
1469 | {"SIG46", "Real-time event 46"}, | |
1470 | {"SIG47", "Real-time event 47"}, | |
1471 | {"SIG48", "Real-time event 48"}, | |
1472 | {"SIG49", "Real-time event 49"}, | |
1473 | {"SIG50", "Real-time event 50"}, | |
1474 | {"SIG51", "Real-time event 51"}, | |
1475 | {"SIG52", "Real-time event 52"}, | |
1476 | {"SIG53", "Real-time event 53"}, | |
1477 | {"SIG54", "Real-time event 54"}, | |
1478 | {"SIG55", "Real-time event 55"}, | |
1479 | {"SIG56", "Real-time event 56"}, | |
1480 | {"SIG57", "Real-time event 57"}, | |
1481 | {"SIG58", "Real-time event 58"}, | |
1482 | {"SIG59", "Real-time event 59"}, | |
1483 | {"SIG60", "Real-time event 60"}, | |
1484 | {"SIG61", "Real-time event 61"}, | |
1485 | {"SIG62", "Real-time event 62"}, | |
1486 | {"SIG63", "Real-time event 63"}, | |
cd0fc7c3 | 1487 | {"SIGCANCEL", "LWP internal signal"}, |
d4f3574e | 1488 | {"SIG32", "Real-time event 32"}, |
d57fc352 | 1489 | {"SIG64", "Real-time event 64"}, |
49dd83ba AC |
1490 | {"SIG65", "Real-time event 65"}, |
1491 | {"SIG66", "Real-time event 66"}, | |
1492 | {"SIG67", "Real-time event 67"}, | |
1493 | {"SIG68", "Real-time event 68"}, | |
1494 | {"SIG69", "Real-time event 69"}, | |
1495 | {"SIG70", "Real-time event 70"}, | |
1496 | {"SIG71", "Real-time event 71"}, | |
1497 | {"SIG72", "Real-time event 72"}, | |
1498 | {"SIG73", "Real-time event 73"}, | |
1499 | {"SIG74", "Real-time event 74"}, | |
1500 | {"SIG75", "Real-time event 75"}, | |
1501 | {"SIG76", "Real-time event 76"}, | |
1502 | {"SIG77", "Real-time event 77"}, | |
1503 | {"SIG78", "Real-time event 78"}, | |
1504 | {"SIG79", "Real-time event 79"}, | |
1505 | {"SIG80", "Real-time event 80"}, | |
1506 | {"SIG81", "Real-time event 81"}, | |
1507 | {"SIG82", "Real-time event 82"}, | |
1508 | {"SIG83", "Real-time event 83"}, | |
1509 | {"SIG84", "Real-time event 84"}, | |
1510 | {"SIG85", "Real-time event 85"}, | |
1511 | {"SIG86", "Real-time event 86"}, | |
1512 | {"SIG87", "Real-time event 87"}, | |
1513 | {"SIG88", "Real-time event 88"}, | |
1514 | {"SIG89", "Real-time event 89"}, | |
1515 | {"SIG90", "Real-time event 90"}, | |
1516 | {"SIG91", "Real-time event 91"}, | |
1517 | {"SIG92", "Real-time event 92"}, | |
1518 | {"SIG93", "Real-time event 93"}, | |
1519 | {"SIG94", "Real-time event 94"}, | |
1520 | {"SIG95", "Real-time event 95"}, | |
1521 | {"SIG96", "Real-time event 96"}, | |
1522 | {"SIG97", "Real-time event 97"}, | |
1523 | {"SIG98", "Real-time event 98"}, | |
1524 | {"SIG99", "Real-time event 99"}, | |
1525 | {"SIG100", "Real-time event 100"}, | |
1526 | {"SIG101", "Real-time event 101"}, | |
1527 | {"SIG102", "Real-time event 102"}, | |
1528 | {"SIG103", "Real-time event 103"}, | |
1529 | {"SIG104", "Real-time event 104"}, | |
1530 | {"SIG105", "Real-time event 105"}, | |
1531 | {"SIG106", "Real-time event 106"}, | |
1532 | {"SIG107", "Real-time event 107"}, | |
1533 | {"SIG108", "Real-time event 108"}, | |
1534 | {"SIG109", "Real-time event 109"}, | |
1535 | {"SIG110", "Real-time event 110"}, | |
1536 | {"SIG111", "Real-time event 111"}, | |
1537 | {"SIG112", "Real-time event 112"}, | |
1538 | {"SIG113", "Real-time event 113"}, | |
1539 | {"SIG114", "Real-time event 114"}, | |
1540 | {"SIG115", "Real-time event 115"}, | |
1541 | {"SIG116", "Real-time event 116"}, | |
1542 | {"SIG117", "Real-time event 117"}, | |
1543 | {"SIG118", "Real-time event 118"}, | |
1544 | {"SIG119", "Real-time event 119"}, | |
1545 | {"SIG120", "Real-time event 120"}, | |
1546 | {"SIG121", "Real-time event 121"}, | |
1547 | {"SIG122", "Real-time event 122"}, | |
1548 | {"SIG123", "Real-time event 123"}, | |
1549 | {"SIG124", "Real-time event 124"}, | |
1550 | {"SIG125", "Real-time event 125"}, | |
1551 | {"SIG126", "Real-time event 126"}, | |
1552 | {"SIG127", "Real-time event 127"}, | |
c906108c SS |
1553 | |
1554 | #if defined(MACH) || defined(__MACH__) | |
1555 | /* Mach exceptions */ | |
1556 | {"EXC_BAD_ACCESS", "Could not access memory"}, | |
1557 | {"EXC_BAD_INSTRUCTION", "Illegal instruction/operand"}, | |
1558 | {"EXC_ARITHMETIC", "Arithmetic exception"}, | |
1559 | {"EXC_EMULATION", "Emulation instruction"}, | |
1560 | {"EXC_SOFTWARE", "Software generated exception"}, | |
1561 | {"EXC_BREAKPOINT", "Breakpoint"}, | |
1562 | #endif | |
7a292a7a SS |
1563 | {"SIGINFO", "Information request"}, |
1564 | ||
c906108c SS |
1565 | {NULL, "Unknown signal"}, |
1566 | {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"}, | |
1567 | ||
1568 | /* Last entry, used to check whether the table is the right size. */ | |
1569 | {NULL, "TARGET_SIGNAL_MAGIC"} | |
1570 | }; | |
9846de1b | 1571 | /* *INDENT-ON* */ |
c906108c | 1572 | |
c5aa993b JM |
1573 | |
1574 | ||
c906108c SS |
1575 | /* Return the string for a signal. */ |
1576 | char * | |
fba45db2 | 1577 | target_signal_to_string (enum target_signal sig) |
c906108c | 1578 | { |
7a292a7a SS |
1579 | if ((sig >= TARGET_SIGNAL_FIRST) && (sig <= TARGET_SIGNAL_LAST)) |
1580 | return signals[sig].string; | |
1581 | else | |
1582 | return signals[TARGET_SIGNAL_UNKNOWN].string; | |
c906108c SS |
1583 | } |
1584 | ||
1585 | /* Return the name for a signal. */ | |
1586 | char * | |
fba45db2 | 1587 | target_signal_to_name (enum target_signal sig) |
c906108c SS |
1588 | { |
1589 | if (sig == TARGET_SIGNAL_UNKNOWN) | |
1590 | /* I think the code which prints this will always print it along with | |
1591 | the string, so no need to be verbose. */ | |
1592 | return "?"; | |
1593 | return signals[sig].name; | |
1594 | } | |
1595 | ||
1596 | /* Given a name, return its signal. */ | |
1597 | enum target_signal | |
fba45db2 | 1598 | target_signal_from_name (char *name) |
c906108c SS |
1599 | { |
1600 | enum target_signal sig; | |
1601 | ||
1602 | /* It's possible we also should allow "SIGCLD" as well as "SIGCHLD" | |
1603 | for TARGET_SIGNAL_SIGCHLD. SIGIOT, on the other hand, is more | |
1604 | questionable; seems like by now people should call it SIGABRT | |
1605 | instead. */ | |
1606 | ||
1607 | /* This ugly cast brought to you by the native VAX compiler. */ | |
1608 | for (sig = TARGET_SIGNAL_HUP; | |
1609 | signals[sig].name != NULL; | |
c5aa993b | 1610 | sig = (enum target_signal) ((int) sig + 1)) |
c906108c SS |
1611 | if (STREQ (name, signals[sig].name)) |
1612 | return sig; | |
1613 | return TARGET_SIGNAL_UNKNOWN; | |
1614 | } | |
1615 | \f | |
1616 | /* The following functions are to help certain targets deal | |
1617 | with the signal/waitstatus stuff. They could just as well be in | |
1618 | a file called native-utils.c or unixwaitstatus-utils.c or whatever. */ | |
1619 | ||
1620 | /* Convert host signal to our signals. */ | |
1621 | enum target_signal | |
fba45db2 | 1622 | target_signal_from_host (int hostsig) |
c906108c SS |
1623 | { |
1624 | /* A switch statement would make sense but would require special kludges | |
1625 | to deal with the cases where more than one signal has the same number. */ | |
1626 | ||
c5aa993b JM |
1627 | if (hostsig == 0) |
1628 | return TARGET_SIGNAL_0; | |
c906108c SS |
1629 | |
1630 | #if defined (SIGHUP) | |
c5aa993b JM |
1631 | if (hostsig == SIGHUP) |
1632 | return TARGET_SIGNAL_HUP; | |
c906108c SS |
1633 | #endif |
1634 | #if defined (SIGINT) | |
c5aa993b JM |
1635 | if (hostsig == SIGINT) |
1636 | return TARGET_SIGNAL_INT; | |
c906108c SS |
1637 | #endif |
1638 | #if defined (SIGQUIT) | |
c5aa993b JM |
1639 | if (hostsig == SIGQUIT) |
1640 | return TARGET_SIGNAL_QUIT; | |
c906108c SS |
1641 | #endif |
1642 | #if defined (SIGILL) | |
c5aa993b JM |
1643 | if (hostsig == SIGILL) |
1644 | return TARGET_SIGNAL_ILL; | |
c906108c SS |
1645 | #endif |
1646 | #if defined (SIGTRAP) | |
c5aa993b JM |
1647 | if (hostsig == SIGTRAP) |
1648 | return TARGET_SIGNAL_TRAP; | |
c906108c SS |
1649 | #endif |
1650 | #if defined (SIGABRT) | |
c5aa993b JM |
1651 | if (hostsig == SIGABRT) |
1652 | return TARGET_SIGNAL_ABRT; | |
c906108c SS |
1653 | #endif |
1654 | #if defined (SIGEMT) | |
c5aa993b JM |
1655 | if (hostsig == SIGEMT) |
1656 | return TARGET_SIGNAL_EMT; | |
c906108c SS |
1657 | #endif |
1658 | #if defined (SIGFPE) | |
c5aa993b JM |
1659 | if (hostsig == SIGFPE) |
1660 | return TARGET_SIGNAL_FPE; | |
c906108c SS |
1661 | #endif |
1662 | #if defined (SIGKILL) | |
c5aa993b JM |
1663 | if (hostsig == SIGKILL) |
1664 | return TARGET_SIGNAL_KILL; | |
c906108c SS |
1665 | #endif |
1666 | #if defined (SIGBUS) | |
c5aa993b JM |
1667 | if (hostsig == SIGBUS) |
1668 | return TARGET_SIGNAL_BUS; | |
c906108c SS |
1669 | #endif |
1670 | #if defined (SIGSEGV) | |
c5aa993b JM |
1671 | if (hostsig == SIGSEGV) |
1672 | return TARGET_SIGNAL_SEGV; | |
c906108c SS |
1673 | #endif |
1674 | #if defined (SIGSYS) | |
c5aa993b JM |
1675 | if (hostsig == SIGSYS) |
1676 | return TARGET_SIGNAL_SYS; | |
c906108c SS |
1677 | #endif |
1678 | #if defined (SIGPIPE) | |
c5aa993b JM |
1679 | if (hostsig == SIGPIPE) |
1680 | return TARGET_SIGNAL_PIPE; | |
c906108c SS |
1681 | #endif |
1682 | #if defined (SIGALRM) | |
c5aa993b JM |
1683 | if (hostsig == SIGALRM) |
1684 | return TARGET_SIGNAL_ALRM; | |
c906108c SS |
1685 | #endif |
1686 | #if defined (SIGTERM) | |
c5aa993b JM |
1687 | if (hostsig == SIGTERM) |
1688 | return TARGET_SIGNAL_TERM; | |
c906108c SS |
1689 | #endif |
1690 | #if defined (SIGUSR1) | |
c5aa993b JM |
1691 | if (hostsig == SIGUSR1) |
1692 | return TARGET_SIGNAL_USR1; | |
c906108c SS |
1693 | #endif |
1694 | #if defined (SIGUSR2) | |
c5aa993b JM |
1695 | if (hostsig == SIGUSR2) |
1696 | return TARGET_SIGNAL_USR2; | |
c906108c SS |
1697 | #endif |
1698 | #if defined (SIGCLD) | |
c5aa993b JM |
1699 | if (hostsig == SIGCLD) |
1700 | return TARGET_SIGNAL_CHLD; | |
c906108c SS |
1701 | #endif |
1702 | #if defined (SIGCHLD) | |
c5aa993b JM |
1703 | if (hostsig == SIGCHLD) |
1704 | return TARGET_SIGNAL_CHLD; | |
c906108c SS |
1705 | #endif |
1706 | #if defined (SIGPWR) | |
c5aa993b JM |
1707 | if (hostsig == SIGPWR) |
1708 | return TARGET_SIGNAL_PWR; | |
c906108c SS |
1709 | #endif |
1710 | #if defined (SIGWINCH) | |
c5aa993b JM |
1711 | if (hostsig == SIGWINCH) |
1712 | return TARGET_SIGNAL_WINCH; | |
c906108c SS |
1713 | #endif |
1714 | #if defined (SIGURG) | |
c5aa993b JM |
1715 | if (hostsig == SIGURG) |
1716 | return TARGET_SIGNAL_URG; | |
c906108c SS |
1717 | #endif |
1718 | #if defined (SIGIO) | |
c5aa993b JM |
1719 | if (hostsig == SIGIO) |
1720 | return TARGET_SIGNAL_IO; | |
c906108c SS |
1721 | #endif |
1722 | #if defined (SIGPOLL) | |
c5aa993b JM |
1723 | if (hostsig == SIGPOLL) |
1724 | return TARGET_SIGNAL_POLL; | |
c906108c SS |
1725 | #endif |
1726 | #if defined (SIGSTOP) | |
c5aa993b JM |
1727 | if (hostsig == SIGSTOP) |
1728 | return TARGET_SIGNAL_STOP; | |
c906108c SS |
1729 | #endif |
1730 | #if defined (SIGTSTP) | |
c5aa993b JM |
1731 | if (hostsig == SIGTSTP) |
1732 | return TARGET_SIGNAL_TSTP; | |
c906108c SS |
1733 | #endif |
1734 | #if defined (SIGCONT) | |
c5aa993b JM |
1735 | if (hostsig == SIGCONT) |
1736 | return TARGET_SIGNAL_CONT; | |
c906108c SS |
1737 | #endif |
1738 | #if defined (SIGTTIN) | |
c5aa993b JM |
1739 | if (hostsig == SIGTTIN) |
1740 | return TARGET_SIGNAL_TTIN; | |
c906108c SS |
1741 | #endif |
1742 | #if defined (SIGTTOU) | |
c5aa993b JM |
1743 | if (hostsig == SIGTTOU) |
1744 | return TARGET_SIGNAL_TTOU; | |
c906108c SS |
1745 | #endif |
1746 | #if defined (SIGVTALRM) | |
c5aa993b JM |
1747 | if (hostsig == SIGVTALRM) |
1748 | return TARGET_SIGNAL_VTALRM; | |
c906108c SS |
1749 | #endif |
1750 | #if defined (SIGPROF) | |
c5aa993b JM |
1751 | if (hostsig == SIGPROF) |
1752 | return TARGET_SIGNAL_PROF; | |
c906108c SS |
1753 | #endif |
1754 | #if defined (SIGXCPU) | |
c5aa993b JM |
1755 | if (hostsig == SIGXCPU) |
1756 | return TARGET_SIGNAL_XCPU; | |
c906108c SS |
1757 | #endif |
1758 | #if defined (SIGXFSZ) | |
c5aa993b JM |
1759 | if (hostsig == SIGXFSZ) |
1760 | return TARGET_SIGNAL_XFSZ; | |
c906108c SS |
1761 | #endif |
1762 | #if defined (SIGWIND) | |
c5aa993b JM |
1763 | if (hostsig == SIGWIND) |
1764 | return TARGET_SIGNAL_WIND; | |
c906108c SS |
1765 | #endif |
1766 | #if defined (SIGPHONE) | |
c5aa993b JM |
1767 | if (hostsig == SIGPHONE) |
1768 | return TARGET_SIGNAL_PHONE; | |
c906108c SS |
1769 | #endif |
1770 | #if defined (SIGLOST) | |
c5aa993b JM |
1771 | if (hostsig == SIGLOST) |
1772 | return TARGET_SIGNAL_LOST; | |
c906108c SS |
1773 | #endif |
1774 | #if defined (SIGWAITING) | |
c5aa993b JM |
1775 | if (hostsig == SIGWAITING) |
1776 | return TARGET_SIGNAL_WAITING; | |
c906108c | 1777 | #endif |
cd0fc7c3 | 1778 | #if defined (SIGCANCEL) |
c5aa993b JM |
1779 | if (hostsig == SIGCANCEL) |
1780 | return TARGET_SIGNAL_CANCEL; | |
cd0fc7c3 | 1781 | #endif |
c906108c | 1782 | #if defined (SIGLWP) |
c5aa993b JM |
1783 | if (hostsig == SIGLWP) |
1784 | return TARGET_SIGNAL_LWP; | |
c906108c SS |
1785 | #endif |
1786 | #if defined (SIGDANGER) | |
c5aa993b JM |
1787 | if (hostsig == SIGDANGER) |
1788 | return TARGET_SIGNAL_DANGER; | |
c906108c SS |
1789 | #endif |
1790 | #if defined (SIGGRANT) | |
c5aa993b JM |
1791 | if (hostsig == SIGGRANT) |
1792 | return TARGET_SIGNAL_GRANT; | |
c906108c SS |
1793 | #endif |
1794 | #if defined (SIGRETRACT) | |
c5aa993b JM |
1795 | if (hostsig == SIGRETRACT) |
1796 | return TARGET_SIGNAL_RETRACT; | |
c906108c SS |
1797 | #endif |
1798 | #if defined (SIGMSG) | |
c5aa993b JM |
1799 | if (hostsig == SIGMSG) |
1800 | return TARGET_SIGNAL_MSG; | |
c906108c SS |
1801 | #endif |
1802 | #if defined (SIGSOUND) | |
c5aa993b JM |
1803 | if (hostsig == SIGSOUND) |
1804 | return TARGET_SIGNAL_SOUND; | |
c906108c SS |
1805 | #endif |
1806 | #if defined (SIGSAK) | |
c5aa993b JM |
1807 | if (hostsig == SIGSAK) |
1808 | return TARGET_SIGNAL_SAK; | |
c906108c SS |
1809 | #endif |
1810 | #if defined (SIGPRIO) | |
c5aa993b JM |
1811 | if (hostsig == SIGPRIO) |
1812 | return TARGET_SIGNAL_PRIO; | |
c906108c SS |
1813 | #endif |
1814 | ||
1815 | /* Mach exceptions. Assumes that the values for EXC_ are positive! */ | |
1816 | #if defined (EXC_BAD_ACCESS) && defined (_NSIG) | |
c5aa993b JM |
1817 | if (hostsig == _NSIG + EXC_BAD_ACCESS) |
1818 | return TARGET_EXC_BAD_ACCESS; | |
c906108c SS |
1819 | #endif |
1820 | #if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG) | |
c5aa993b JM |
1821 | if (hostsig == _NSIG + EXC_BAD_INSTRUCTION) |
1822 | return TARGET_EXC_BAD_INSTRUCTION; | |
c906108c SS |
1823 | #endif |
1824 | #if defined (EXC_ARITHMETIC) && defined (_NSIG) | |
c5aa993b JM |
1825 | if (hostsig == _NSIG + EXC_ARITHMETIC) |
1826 | return TARGET_EXC_ARITHMETIC; | |
c906108c SS |
1827 | #endif |
1828 | #if defined (EXC_EMULATION) && defined (_NSIG) | |
c5aa993b JM |
1829 | if (hostsig == _NSIG + EXC_EMULATION) |
1830 | return TARGET_EXC_EMULATION; | |
c906108c SS |
1831 | #endif |
1832 | #if defined (EXC_SOFTWARE) && defined (_NSIG) | |
c5aa993b JM |
1833 | if (hostsig == _NSIG + EXC_SOFTWARE) |
1834 | return TARGET_EXC_SOFTWARE; | |
c906108c SS |
1835 | #endif |
1836 | #if defined (EXC_BREAKPOINT) && defined (_NSIG) | |
c5aa993b JM |
1837 | if (hostsig == _NSIG + EXC_BREAKPOINT) |
1838 | return TARGET_EXC_BREAKPOINT; | |
c906108c SS |
1839 | #endif |
1840 | ||
7a292a7a | 1841 | #if defined (SIGINFO) |
c5aa993b JM |
1842 | if (hostsig == SIGINFO) |
1843 | return TARGET_SIGNAL_INFO; | |
7a292a7a SS |
1844 | #endif |
1845 | ||
c906108c SS |
1846 | #if defined (REALTIME_LO) |
1847 | if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI) | |
d4f3574e SS |
1848 | { |
1849 | /* This block of TARGET_SIGNAL_REALTIME value is in order. */ | |
1850 | if (33 <= hostsig && hostsig <= 63) | |
1851 | return (enum target_signal) | |
1852 | (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33); | |
1853 | else if (hostsig == 32) | |
1854 | return TARGET_SIGNAL_REALTIME_32; | |
49dd83ba AC |
1855 | else if (64 <= hostsig && hostsig <= 127) |
1856 | return (enum target_signal) | |
1857 | (hostsig - 64 + (int) TARGET_SIGNAL_REALTIME_64); | |
d4f3574e SS |
1858 | else |
1859 | error ("GDB bug: target.c (target_signal_from_host): unrecognized real-time signal"); | |
1860 | } | |
c906108c | 1861 | #endif |
5ef22741 PS |
1862 | |
1863 | #if defined (SIGRTMIN) | |
1864 | if (hostsig >= SIGRTMIN && hostsig <= SIGRTMAX) | |
1865 | { | |
1866 | /* This block of TARGET_SIGNAL_REALTIME value is in order. */ | |
1867 | if (33 <= hostsig && hostsig <= 63) | |
1868 | return (enum target_signal) | |
1869 | (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33); | |
d57fc352 PS |
1870 | else if (hostsig == 64) |
1871 | return TARGET_SIGNAL_REALTIME_64; | |
5ef22741 PS |
1872 | else |
1873 | error ("GDB bug: target.c (target_signal_from_host): unrecognized real-time signal"); | |
1874 | } | |
1875 | #endif | |
c906108c SS |
1876 | return TARGET_SIGNAL_UNKNOWN; |
1877 | } | |
1878 | ||
c2d11a7d JM |
1879 | /* Convert a OURSIG (an enum target_signal) to the form used by the |
1880 | target operating system (refered to as the ``host'') or zero if the | |
1881 | equivalent host signal is not available. Set/clear OURSIG_OK | |
1882 | accordingly. */ | |
1883 | ||
1884 | static int | |
1885 | do_target_signal_to_host (enum target_signal oursig, | |
1886 | int *oursig_ok) | |
c906108c | 1887 | { |
c2d11a7d | 1888 | *oursig_ok = 1; |
c906108c SS |
1889 | switch (oursig) |
1890 | { | |
c5aa993b JM |
1891 | case TARGET_SIGNAL_0: |
1892 | return 0; | |
c906108c SS |
1893 | |
1894 | #if defined (SIGHUP) | |
c5aa993b JM |
1895 | case TARGET_SIGNAL_HUP: |
1896 | return SIGHUP; | |
c906108c SS |
1897 | #endif |
1898 | #if defined (SIGINT) | |
c5aa993b JM |
1899 | case TARGET_SIGNAL_INT: |
1900 | return SIGINT; | |
c906108c SS |
1901 | #endif |
1902 | #if defined (SIGQUIT) | |
c5aa993b JM |
1903 | case TARGET_SIGNAL_QUIT: |
1904 | return SIGQUIT; | |
c906108c SS |
1905 | #endif |
1906 | #if defined (SIGILL) | |
c5aa993b JM |
1907 | case TARGET_SIGNAL_ILL: |
1908 | return SIGILL; | |
c906108c SS |
1909 | #endif |
1910 | #if defined (SIGTRAP) | |
c5aa993b JM |
1911 | case TARGET_SIGNAL_TRAP: |
1912 | return SIGTRAP; | |
c906108c SS |
1913 | #endif |
1914 | #if defined (SIGABRT) | |
c5aa993b JM |
1915 | case TARGET_SIGNAL_ABRT: |
1916 | return SIGABRT; | |
c906108c SS |
1917 | #endif |
1918 | #if defined (SIGEMT) | |
c5aa993b JM |
1919 | case TARGET_SIGNAL_EMT: |
1920 | return SIGEMT; | |
c906108c SS |
1921 | #endif |
1922 | #if defined (SIGFPE) | |
c5aa993b JM |
1923 | case TARGET_SIGNAL_FPE: |
1924 | return SIGFPE; | |
c906108c SS |
1925 | #endif |
1926 | #if defined (SIGKILL) | |
c5aa993b JM |
1927 | case TARGET_SIGNAL_KILL: |
1928 | return SIGKILL; | |
c906108c SS |
1929 | #endif |
1930 | #if defined (SIGBUS) | |
c5aa993b JM |
1931 | case TARGET_SIGNAL_BUS: |
1932 | return SIGBUS; | |
c906108c SS |
1933 | #endif |
1934 | #if defined (SIGSEGV) | |
c5aa993b JM |
1935 | case TARGET_SIGNAL_SEGV: |
1936 | return SIGSEGV; | |
c906108c SS |
1937 | #endif |
1938 | #if defined (SIGSYS) | |
c5aa993b JM |
1939 | case TARGET_SIGNAL_SYS: |
1940 | return SIGSYS; | |
c906108c SS |
1941 | #endif |
1942 | #if defined (SIGPIPE) | |
c5aa993b JM |
1943 | case TARGET_SIGNAL_PIPE: |
1944 | return SIGPIPE; | |
c906108c SS |
1945 | #endif |
1946 | #if defined (SIGALRM) | |
c5aa993b JM |
1947 | case TARGET_SIGNAL_ALRM: |
1948 | return SIGALRM; | |
c906108c SS |
1949 | #endif |
1950 | #if defined (SIGTERM) | |
c5aa993b JM |
1951 | case TARGET_SIGNAL_TERM: |
1952 | return SIGTERM; | |
c906108c SS |
1953 | #endif |
1954 | #if defined (SIGUSR1) | |
c5aa993b JM |
1955 | case TARGET_SIGNAL_USR1: |
1956 | return SIGUSR1; | |
c906108c SS |
1957 | #endif |
1958 | #if defined (SIGUSR2) | |
c5aa993b JM |
1959 | case TARGET_SIGNAL_USR2: |
1960 | return SIGUSR2; | |
c906108c SS |
1961 | #endif |
1962 | #if defined (SIGCHLD) || defined (SIGCLD) | |
c5aa993b | 1963 | case TARGET_SIGNAL_CHLD: |
c906108c SS |
1964 | #if defined (SIGCHLD) |
1965 | return SIGCHLD; | |
1966 | #else | |
1967 | return SIGCLD; | |
1968 | #endif | |
1969 | #endif /* SIGCLD or SIGCHLD */ | |
1970 | #if defined (SIGPWR) | |
c5aa993b JM |
1971 | case TARGET_SIGNAL_PWR: |
1972 | return SIGPWR; | |
c906108c SS |
1973 | #endif |
1974 | #if defined (SIGWINCH) | |
c5aa993b JM |
1975 | case TARGET_SIGNAL_WINCH: |
1976 | return SIGWINCH; | |
c906108c SS |
1977 | #endif |
1978 | #if defined (SIGURG) | |
c5aa993b JM |
1979 | case TARGET_SIGNAL_URG: |
1980 | return SIGURG; | |
c906108c SS |
1981 | #endif |
1982 | #if defined (SIGIO) | |
c5aa993b JM |
1983 | case TARGET_SIGNAL_IO: |
1984 | return SIGIO; | |
c906108c SS |
1985 | #endif |
1986 | #if defined (SIGPOLL) | |
c5aa993b JM |
1987 | case TARGET_SIGNAL_POLL: |
1988 | return SIGPOLL; | |
c906108c SS |
1989 | #endif |
1990 | #if defined (SIGSTOP) | |
c5aa993b JM |
1991 | case TARGET_SIGNAL_STOP: |
1992 | return SIGSTOP; | |
c906108c SS |
1993 | #endif |
1994 | #if defined (SIGTSTP) | |
c5aa993b JM |
1995 | case TARGET_SIGNAL_TSTP: |
1996 | return SIGTSTP; | |
c906108c SS |
1997 | #endif |
1998 | #if defined (SIGCONT) | |
c5aa993b JM |
1999 | case TARGET_SIGNAL_CONT: |
2000 | return SIGCONT; | |
c906108c SS |
2001 | #endif |
2002 | #if defined (SIGTTIN) | |
c5aa993b JM |
2003 | case TARGET_SIGNAL_TTIN: |
2004 | return SIGTTIN; | |
c906108c SS |
2005 | #endif |
2006 | #if defined (SIGTTOU) | |
c5aa993b JM |
2007 | case TARGET_SIGNAL_TTOU: |
2008 | return SIGTTOU; | |
c906108c SS |
2009 | #endif |
2010 | #if defined (SIGVTALRM) | |
c5aa993b JM |
2011 | case TARGET_SIGNAL_VTALRM: |
2012 | return SIGVTALRM; | |
c906108c SS |
2013 | #endif |
2014 | #if defined (SIGPROF) | |
c5aa993b JM |
2015 | case TARGET_SIGNAL_PROF: |
2016 | return SIGPROF; | |
c906108c SS |
2017 | #endif |
2018 | #if defined (SIGXCPU) | |
c5aa993b JM |
2019 | case TARGET_SIGNAL_XCPU: |
2020 | return SIGXCPU; | |
c906108c SS |
2021 | #endif |
2022 | #if defined (SIGXFSZ) | |
c5aa993b JM |
2023 | case TARGET_SIGNAL_XFSZ: |
2024 | return SIGXFSZ; | |
c906108c SS |
2025 | #endif |
2026 | #if defined (SIGWIND) | |
c5aa993b JM |
2027 | case TARGET_SIGNAL_WIND: |
2028 | return SIGWIND; | |
c906108c SS |
2029 | #endif |
2030 | #if defined (SIGPHONE) | |
c5aa993b JM |
2031 | case TARGET_SIGNAL_PHONE: |
2032 | return SIGPHONE; | |
c906108c SS |
2033 | #endif |
2034 | #if defined (SIGLOST) | |
c5aa993b JM |
2035 | case TARGET_SIGNAL_LOST: |
2036 | return SIGLOST; | |
c906108c SS |
2037 | #endif |
2038 | #if defined (SIGWAITING) | |
c5aa993b JM |
2039 | case TARGET_SIGNAL_WAITING: |
2040 | return SIGWAITING; | |
c906108c | 2041 | #endif |
cd0fc7c3 | 2042 | #if defined (SIGCANCEL) |
c5aa993b JM |
2043 | case TARGET_SIGNAL_CANCEL: |
2044 | return SIGCANCEL; | |
cd0fc7c3 | 2045 | #endif |
c906108c | 2046 | #if defined (SIGLWP) |
c5aa993b JM |
2047 | case TARGET_SIGNAL_LWP: |
2048 | return SIGLWP; | |
c906108c SS |
2049 | #endif |
2050 | #if defined (SIGDANGER) | |
c5aa993b JM |
2051 | case TARGET_SIGNAL_DANGER: |
2052 | return SIGDANGER; | |
c906108c SS |
2053 | #endif |
2054 | #if defined (SIGGRANT) | |
c5aa993b JM |
2055 | case TARGET_SIGNAL_GRANT: |
2056 | return SIGGRANT; | |
c906108c SS |
2057 | #endif |
2058 | #if defined (SIGRETRACT) | |
c5aa993b JM |
2059 | case TARGET_SIGNAL_RETRACT: |
2060 | return SIGRETRACT; | |
c906108c SS |
2061 | #endif |
2062 | #if defined (SIGMSG) | |
c5aa993b JM |
2063 | case TARGET_SIGNAL_MSG: |
2064 | return SIGMSG; | |
c906108c SS |
2065 | #endif |
2066 | #if defined (SIGSOUND) | |
c5aa993b JM |
2067 | case TARGET_SIGNAL_SOUND: |
2068 | return SIGSOUND; | |
c906108c SS |
2069 | #endif |
2070 | #if defined (SIGSAK) | |
c5aa993b JM |
2071 | case TARGET_SIGNAL_SAK: |
2072 | return SIGSAK; | |
c906108c SS |
2073 | #endif |
2074 | #if defined (SIGPRIO) | |
c5aa993b JM |
2075 | case TARGET_SIGNAL_PRIO: |
2076 | return SIGPRIO; | |
c906108c SS |
2077 | #endif |
2078 | ||
2079 | /* Mach exceptions. Assumes that the values for EXC_ are positive! */ | |
2080 | #if defined (EXC_BAD_ACCESS) && defined (_NSIG) | |
c5aa993b JM |
2081 | case TARGET_EXC_BAD_ACCESS: |
2082 | return _NSIG + EXC_BAD_ACCESS; | |
c906108c SS |
2083 | #endif |
2084 | #if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG) | |
c5aa993b JM |
2085 | case TARGET_EXC_BAD_INSTRUCTION: |
2086 | return _NSIG + EXC_BAD_INSTRUCTION; | |
c906108c SS |
2087 | #endif |
2088 | #if defined (EXC_ARITHMETIC) && defined (_NSIG) | |
c5aa993b JM |
2089 | case TARGET_EXC_ARITHMETIC: |
2090 | return _NSIG + EXC_ARITHMETIC; | |
c906108c SS |
2091 | #endif |
2092 | #if defined (EXC_EMULATION) && defined (_NSIG) | |
c5aa993b JM |
2093 | case TARGET_EXC_EMULATION: |
2094 | return _NSIG + EXC_EMULATION; | |
c906108c SS |
2095 | #endif |
2096 | #if defined (EXC_SOFTWARE) && defined (_NSIG) | |
c5aa993b JM |
2097 | case TARGET_EXC_SOFTWARE: |
2098 | return _NSIG + EXC_SOFTWARE; | |
c906108c SS |
2099 | #endif |
2100 | #if defined (EXC_BREAKPOINT) && defined (_NSIG) | |
c5aa993b JM |
2101 | case TARGET_EXC_BREAKPOINT: |
2102 | return _NSIG + EXC_BREAKPOINT; | |
c906108c SS |
2103 | #endif |
2104 | ||
7a292a7a | 2105 | #if defined (SIGINFO) |
c5aa993b JM |
2106 | case TARGET_SIGNAL_INFO: |
2107 | return SIGINFO; | |
7a292a7a SS |
2108 | #endif |
2109 | ||
c906108c SS |
2110 | default: |
2111 | #if defined (REALTIME_LO) | |
2112 | if (oursig >= TARGET_SIGNAL_REALTIME_33 | |
2113 | && oursig <= TARGET_SIGNAL_REALTIME_63) | |
2114 | { | |
e95a43ad MK |
2115 | /* This block of signals is continuous, and |
2116 | TARGET_SIGNAL_REALTIME_33 is 33 by definition. */ | |
c906108c | 2117 | int retsig = |
e95a43ad MK |
2118 | (int) oursig - (int) TARGET_SIGNAL_REALTIME_33 + 33; |
2119 | if (retsig >= REALTIME_LO && retsig < REALTIME_HI) | |
c906108c SS |
2120 | return retsig; |
2121 | } | |
e95a43ad MK |
2122 | #if (REALTIME_LO < 33) |
2123 | else if (oursig == TARGET_SIGNAL_REALTIME_32) | |
2124 | { | |
2125 | /* TARGET_SIGNAL_REALTIME_32 isn't contiguous with | |
2126 | TARGET_SIGNAL_REALTIME_33. It is 32 by definition. */ | |
2127 | return 32; | |
2128 | } | |
2129 | #endif | |
49dd83ba AC |
2130 | #if (REALTIME_HI > 64) |
2131 | if (oursig >= TARGET_SIGNAL_REALTIME_64 | |
2132 | && oursig <= TARGET_SIGNAL_REALTIME_127) | |
2133 | { | |
2134 | /* This block of signals is continuous, and | |
2135 | TARGET_SIGNAL_REALTIME_64 is 64 by definition. */ | |
2136 | int retsig = | |
2137 | (int) oursig - (int) TARGET_SIGNAL_REALTIME_64 + 64; | |
2138 | if (retsig >= REALTIME_LO && retsig < REALTIME_HI) | |
2139 | return retsig; | |
2140 | } | |
2141 | ||
2142 | #endif | |
5ef22741 PS |
2143 | #endif |
2144 | ||
2145 | #if defined (SIGRTMIN) | |
2146 | if (oursig >= TARGET_SIGNAL_REALTIME_33 | |
2147 | && oursig <= TARGET_SIGNAL_REALTIME_63) | |
2148 | { | |
2149 | /* This block of signals is continuous, and | |
2150 | TARGET_SIGNAL_REALTIME_33 is 33 by definition. */ | |
2151 | int retsig = | |
2152 | (int) oursig - (int) TARGET_SIGNAL_REALTIME_33 + 33; | |
2153 | if (retsig >= SIGRTMIN && retsig <= SIGRTMAX) | |
2154 | return retsig; | |
2155 | } | |
d57fc352 PS |
2156 | else if (oursig == TARGET_SIGNAL_REALTIME_64) |
2157 | return 64; | |
c906108c | 2158 | #endif |
c2d11a7d JM |
2159 | *oursig_ok = 0; |
2160 | return 0; | |
2161 | } | |
2162 | } | |
2163 | ||
2164 | int | |
2165 | target_signal_to_host_p (enum target_signal oursig) | |
2166 | { | |
2167 | int oursig_ok; | |
2168 | do_target_signal_to_host (oursig, &oursig_ok); | |
2169 | return oursig_ok; | |
2170 | } | |
2171 | ||
2172 | int | |
2173 | target_signal_to_host (enum target_signal oursig) | |
2174 | { | |
2175 | int oursig_ok; | |
2176 | int targ_signo = do_target_signal_to_host (oursig, &oursig_ok); | |
2177 | if (!oursig_ok) | |
2178 | { | |
c906108c | 2179 | /* The user might be trying to do "signal SIGSAK" where this system |
c5aa993b | 2180 | doesn't have SIGSAK. */ |
c906108c SS |
2181 | warning ("Signal %s does not exist on this system.\n", |
2182 | target_signal_to_name (oursig)); | |
2183 | return 0; | |
2184 | } | |
c2d11a7d JM |
2185 | else |
2186 | return targ_signo; | |
c906108c SS |
2187 | } |
2188 | ||
2189 | /* Helper function for child_wait and the Lynx derivatives of child_wait. | |
2190 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
2191 | translation of that in OURSTATUS. */ | |
2192 | void | |
fba45db2 | 2193 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c SS |
2194 | { |
2195 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
2196 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
2197 | if it wants to deal with hoststatus. */ | |
2198 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
2199 | return; | |
2200 | #endif | |
2201 | ||
2202 | if (WIFEXITED (hoststatus)) | |
2203 | { | |
2204 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
2205 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
2206 | } | |
2207 | else if (!WIFSTOPPED (hoststatus)) | |
2208 | { | |
2209 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
2210 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
2211 | } | |
2212 | else | |
2213 | { | |
2214 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
2215 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
2216 | } | |
2217 | } | |
2218 | \f | |
2219 | /* In some circumstances we allow a command to specify a numeric | |
2220 | signal. The idea is to keep these circumstances limited so that | |
2221 | users (and scripts) develop portable habits. For comparison, | |
2222 | POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a | |
7e73cedf | 2223 | numeric signal at all is obsolescent. We are slightly more |
c906108c SS |
2224 | lenient and allow 1-15 which should match host signal numbers on |
2225 | most systems. Use of symbolic signal names is strongly encouraged. */ | |
2226 | ||
2227 | enum target_signal | |
fba45db2 | 2228 | target_signal_from_command (int num) |
c906108c SS |
2229 | { |
2230 | if (num >= 1 && num <= 15) | |
c5aa993b | 2231 | return (enum target_signal) num; |
c906108c SS |
2232 | error ("Only signals 1-15 are valid as numeric signals.\n\ |
2233 | Use \"info signals\" for a list of symbolic signals."); | |
2234 | } | |
2235 | \f | |
2236 | /* Returns zero to leave the inferior alone, one to interrupt it. */ | |
507f3c78 | 2237 | int (*target_activity_function) (void); |
c906108c SS |
2238 | int target_activity_fd; |
2239 | \f | |
2240 | /* Convert a normal process ID to a string. Returns the string in a static | |
2241 | buffer. */ | |
2242 | ||
2243 | char * | |
39f77062 | 2244 | normal_pid_to_str (ptid_t ptid) |
c906108c SS |
2245 | { |
2246 | static char buf[30]; | |
2247 | ||
39f77062 | 2248 | sprintf (buf, "process %d", PIDGET (ptid)); |
c906108c SS |
2249 | return buf; |
2250 | } | |
2251 | ||
2252 | /* Some targets (such as ttrace-based HPUX) don't allow us to request | |
2253 | notification of inferior events such as fork and vork immediately | |
2254 | after the inferior is created. (This because of how gdb gets an | |
2255 | inferior created via invoking a shell to do it. In such a scenario, | |
2256 | if the shell init file has commands in it, the shell will fork and | |
2257 | exec for each of those commands, and we will see each such fork | |
2258 | event. Very bad.) | |
c5aa993b | 2259 | |
c906108c SS |
2260 | This function is used by all targets that allow us to request |
2261 | notification of forks, etc at inferior creation time; e.g., in | |
2262 | target_acknowledge_forked_child. | |
c5aa993b | 2263 | */ |
392a587b | 2264 | static void |
39f77062 | 2265 | normal_target_post_startup_inferior (ptid_t ptid) |
c906108c SS |
2266 | { |
2267 | /* This space intentionally left blank. */ | |
2268 | } | |
2269 | ||
2270 | /* Set up the handful of non-empty slots needed by the dummy target | |
2271 | vector. */ | |
2272 | ||
2273 | static void | |
fba45db2 | 2274 | init_dummy_target (void) |
c906108c SS |
2275 | { |
2276 | dummy_target.to_shortname = "None"; | |
2277 | dummy_target.to_longname = "None"; | |
2278 | dummy_target.to_doc = ""; | |
2279 | dummy_target.to_attach = find_default_attach; | |
2280 | dummy_target.to_require_attach = find_default_require_attach; | |
2281 | dummy_target.to_require_detach = find_default_require_detach; | |
2282 | dummy_target.to_create_inferior = find_default_create_inferior; | |
2283 | dummy_target.to_clone_and_follow_inferior = find_default_clone_and_follow_inferior; | |
ed9a39eb | 2284 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c SS |
2285 | dummy_target.to_stratum = dummy_stratum; |
2286 | dummy_target.to_magic = OPS_MAGIC; | |
2287 | } | |
c906108c | 2288 | \f |
c5aa993b | 2289 | |
c906108c SS |
2290 | static struct target_ops debug_target; |
2291 | ||
2292 | static void | |
fba45db2 | 2293 | debug_to_open (char *args, int from_tty) |
c906108c SS |
2294 | { |
2295 | debug_target.to_open (args, from_tty); | |
2296 | ||
96baa820 | 2297 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
2298 | } |
2299 | ||
2300 | static void | |
fba45db2 | 2301 | debug_to_close (int quitting) |
c906108c SS |
2302 | { |
2303 | debug_target.to_close (quitting); | |
2304 | ||
96baa820 | 2305 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
2306 | } |
2307 | ||
2308 | static void | |
fba45db2 | 2309 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
2310 | { |
2311 | debug_target.to_attach (args, from_tty); | |
2312 | ||
96baa820 | 2313 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
2314 | } |
2315 | ||
2316 | ||
2317 | static void | |
fba45db2 | 2318 | debug_to_post_attach (int pid) |
c906108c SS |
2319 | { |
2320 | debug_target.to_post_attach (pid); | |
2321 | ||
96baa820 | 2322 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
2323 | } |
2324 | ||
2325 | static void | |
fba45db2 | 2326 | debug_to_require_attach (char *args, int from_tty) |
c906108c SS |
2327 | { |
2328 | debug_target.to_require_attach (args, from_tty); | |
2329 | ||
96baa820 | 2330 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2331 | "target_require_attach (%s, %d)\n", args, from_tty); |
2332 | } | |
2333 | ||
2334 | static void | |
fba45db2 | 2335 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
2336 | { |
2337 | debug_target.to_detach (args, from_tty); | |
2338 | ||
96baa820 | 2339 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
2340 | } |
2341 | ||
2342 | static void | |
fba45db2 | 2343 | debug_to_require_detach (int pid, char *args, int from_tty) |
c906108c SS |
2344 | { |
2345 | debug_target.to_require_detach (pid, args, from_tty); | |
2346 | ||
96baa820 | 2347 | fprintf_unfiltered (gdb_stdlog, |
c5aa993b | 2348 | "target_require_detach (%d, %s, %d)\n", pid, args, from_tty); |
c906108c SS |
2349 | } |
2350 | ||
2351 | static void | |
39f77062 | 2352 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 2353 | { |
39f77062 | 2354 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 2355 | |
39f77062 | 2356 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
2357 | step ? "step" : "continue", |
2358 | target_signal_to_name (siggnal)); | |
2359 | } | |
2360 | ||
39f77062 KB |
2361 | static ptid_t |
2362 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 2363 | { |
39f77062 | 2364 | ptid_t retval; |
c906108c | 2365 | |
39f77062 | 2366 | retval = debug_target.to_wait (ptid, status); |
c906108c | 2367 | |
96baa820 | 2368 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
2369 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
2370 | PIDGET (retval)); | |
96baa820 | 2371 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
2372 | switch (status->kind) |
2373 | { | |
2374 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 2375 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
2376 | status->value.integer); |
2377 | break; | |
2378 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 2379 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
2380 | target_signal_to_name (status->value.sig)); |
2381 | break; | |
2382 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 2383 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
2384 | target_signal_to_name (status->value.sig)); |
2385 | break; | |
2386 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 2387 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
2388 | break; |
2389 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 2390 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
2391 | break; |
2392 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 2393 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
2394 | break; |
2395 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 2396 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
2397 | break; |
2398 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 2399 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
2400 | break; |
2401 | default: | |
96baa820 | 2402 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
2403 | break; |
2404 | } | |
2405 | ||
2406 | return retval; | |
2407 | } | |
2408 | ||
2409 | static void | |
39f77062 | 2410 | debug_to_post_wait (ptid_t ptid, int status) |
c906108c | 2411 | { |
39f77062 | 2412 | debug_target.to_post_wait (ptid, status); |
c906108c | 2413 | |
96baa820 | 2414 | fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n", |
39f77062 | 2415 | PIDGET (ptid), status); |
c906108c SS |
2416 | } |
2417 | ||
2418 | static void | |
fba45db2 | 2419 | debug_to_fetch_registers (int regno) |
c906108c SS |
2420 | { |
2421 | debug_target.to_fetch_registers (regno); | |
2422 | ||
96baa820 | 2423 | fprintf_unfiltered (gdb_stdlog, "target_fetch_registers (%s)", |
c906108c SS |
2424 | regno != -1 ? REGISTER_NAME (regno) : "-1"); |
2425 | if (regno != -1) | |
104c1213 | 2426 | fprintf_unfiltered (gdb_stdlog, " = 0x%lx %ld", |
c906108c | 2427 | (unsigned long) read_register (regno), |
104c1213 | 2428 | (unsigned long) read_register (regno)); |
96baa820 | 2429 | fprintf_unfiltered (gdb_stdlog, "\n"); |
c906108c SS |
2430 | } |
2431 | ||
2432 | static void | |
fba45db2 | 2433 | debug_to_store_registers (int regno) |
c906108c SS |
2434 | { |
2435 | debug_target.to_store_registers (regno); | |
2436 | ||
2437 | if (regno >= 0 && regno < NUM_REGS) | |
104c1213 | 2438 | fprintf_unfiltered (gdb_stdlog, "target_store_registers (%s) = 0x%lx %ld\n", |
c906108c SS |
2439 | REGISTER_NAME (regno), |
2440 | (unsigned long) read_register (regno), | |
2441 | (unsigned long) read_register (regno)); | |
2442 | else | |
96baa820 | 2443 | fprintf_unfiltered (gdb_stdlog, "target_store_registers (%d)\n", regno); |
c906108c SS |
2444 | } |
2445 | ||
2446 | static void | |
fba45db2 | 2447 | debug_to_prepare_to_store (void) |
c906108c SS |
2448 | { |
2449 | debug_target.to_prepare_to_store (); | |
2450 | ||
96baa820 | 2451 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
2452 | } |
2453 | ||
2454 | static int | |
fba45db2 | 2455 | debug_to_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
29e57380 | 2456 | struct mem_attrib *attrib, |
fba45db2 | 2457 | struct target_ops *target) |
c906108c SS |
2458 | { |
2459 | int retval; | |
2460 | ||
29e57380 C |
2461 | retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, |
2462 | attrib, target); | |
c906108c | 2463 | |
96baa820 | 2464 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2465 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 2466 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
2467 | len, write ? "write" : "read", retval); |
2468 | ||
c5aa993b | 2469 | |
c906108c SS |
2470 | |
2471 | if (retval > 0) | |
2472 | { | |
2473 | int i; | |
2474 | ||
96baa820 | 2475 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
2476 | for (i = 0; i < retval; i++) |
2477 | { | |
2478 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
96baa820 JM |
2479 | fprintf_unfiltered (gdb_stdlog, "\n"); |
2480 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); | |
c906108c SS |
2481 | } |
2482 | } | |
2483 | ||
96baa820 | 2484 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
2485 | |
2486 | return retval; | |
2487 | } | |
2488 | ||
2489 | static void | |
fba45db2 | 2490 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
2491 | { |
2492 | debug_target.to_files_info (target); | |
2493 | ||
96baa820 | 2494 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
2495 | } |
2496 | ||
2497 | static int | |
fba45db2 | 2498 | debug_to_insert_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
2499 | { |
2500 | int retval; | |
2501 | ||
2502 | retval = debug_target.to_insert_breakpoint (addr, save); | |
2503 | ||
96baa820 | 2504 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
2505 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
2506 | (unsigned long) addr, | |
2507 | (unsigned long) retval); | |
c906108c SS |
2508 | return retval; |
2509 | } | |
2510 | ||
2511 | static int | |
fba45db2 | 2512 | debug_to_remove_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
2513 | { |
2514 | int retval; | |
2515 | ||
2516 | retval = debug_target.to_remove_breakpoint (addr, save); | |
2517 | ||
96baa820 | 2518 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
2519 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
2520 | (unsigned long) addr, | |
2521 | (unsigned long) retval); | |
c906108c SS |
2522 | return retval; |
2523 | } | |
2524 | ||
2525 | static void | |
fba45db2 | 2526 | debug_to_terminal_init (void) |
c906108c SS |
2527 | { |
2528 | debug_target.to_terminal_init (); | |
2529 | ||
96baa820 | 2530 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
2531 | } |
2532 | ||
2533 | static void | |
fba45db2 | 2534 | debug_to_terminal_inferior (void) |
c906108c SS |
2535 | { |
2536 | debug_target.to_terminal_inferior (); | |
2537 | ||
96baa820 | 2538 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
2539 | } |
2540 | ||
2541 | static void | |
fba45db2 | 2542 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
2543 | { |
2544 | debug_target.to_terminal_ours_for_output (); | |
2545 | ||
96baa820 | 2546 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
2547 | } |
2548 | ||
2549 | static void | |
fba45db2 | 2550 | debug_to_terminal_ours (void) |
c906108c SS |
2551 | { |
2552 | debug_target.to_terminal_ours (); | |
2553 | ||
96baa820 | 2554 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
2555 | } |
2556 | ||
2557 | static void | |
fba45db2 | 2558 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
2559 | { |
2560 | debug_target.to_terminal_info (arg, from_tty); | |
2561 | ||
96baa820 | 2562 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
2563 | from_tty); |
2564 | } | |
2565 | ||
2566 | static void | |
fba45db2 | 2567 | debug_to_kill (void) |
c906108c SS |
2568 | { |
2569 | debug_target.to_kill (); | |
2570 | ||
96baa820 | 2571 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
2572 | } |
2573 | ||
2574 | static void | |
fba45db2 | 2575 | debug_to_load (char *args, int from_tty) |
c906108c SS |
2576 | { |
2577 | debug_target.to_load (args, from_tty); | |
2578 | ||
96baa820 | 2579 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
2580 | } |
2581 | ||
2582 | static int | |
fba45db2 | 2583 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
2584 | { |
2585 | int retval; | |
2586 | ||
2587 | retval = debug_target.to_lookup_symbol (name, addrp); | |
2588 | ||
96baa820 | 2589 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
2590 | |
2591 | return retval; | |
2592 | } | |
2593 | ||
2594 | static void | |
fba45db2 | 2595 | debug_to_create_inferior (char *exec_file, char *args, char **env) |
c906108c SS |
2596 | { |
2597 | debug_target.to_create_inferior (exec_file, args, env); | |
2598 | ||
96baa820 | 2599 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx)\n", |
c906108c SS |
2600 | exec_file, args); |
2601 | } | |
2602 | ||
2603 | static void | |
39f77062 | 2604 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 2605 | { |
39f77062 | 2606 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 2607 | |
96baa820 | 2608 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 2609 | PIDGET (ptid)); |
c906108c SS |
2610 | } |
2611 | ||
2612 | static void | |
fba45db2 | 2613 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
2614 | { |
2615 | debug_target.to_acknowledge_created_inferior (pid); | |
2616 | ||
96baa820 | 2617 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
2618 | pid); |
2619 | } | |
2620 | ||
2621 | static void | |
fba45db2 | 2622 | debug_to_clone_and_follow_inferior (int child_pid, int *followed_child) |
c906108c SS |
2623 | { |
2624 | debug_target.to_clone_and_follow_inferior (child_pid, followed_child); | |
2625 | ||
96baa820 | 2626 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2627 | "target_clone_and_follow_inferior (%d, %d)\n", |
2628 | child_pid, *followed_child); | |
2629 | } | |
2630 | ||
2631 | static void | |
fba45db2 | 2632 | debug_to_post_follow_inferior_by_clone (void) |
c906108c SS |
2633 | { |
2634 | debug_target.to_post_follow_inferior_by_clone (); | |
2635 | ||
96baa820 | 2636 | fprintf_unfiltered (gdb_stdlog, "target_post_follow_inferior_by_clone ()\n"); |
c906108c SS |
2637 | } |
2638 | ||
2639 | static int | |
fba45db2 | 2640 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 2641 | { |
c5aa993b | 2642 | int retval; |
c906108c SS |
2643 | |
2644 | retval = debug_target.to_insert_fork_catchpoint (pid); | |
2645 | ||
96baa820 | 2646 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2647 | pid, retval); |
c906108c SS |
2648 | |
2649 | return retval; | |
2650 | } | |
2651 | ||
2652 | static int | |
fba45db2 | 2653 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 2654 | { |
c5aa993b | 2655 | int retval; |
c906108c SS |
2656 | |
2657 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
2658 | ||
96baa820 | 2659 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2660 | pid, retval); |
c906108c SS |
2661 | |
2662 | return retval; | |
2663 | } | |
2664 | ||
2665 | static int | |
fba45db2 | 2666 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 2667 | { |
c5aa993b | 2668 | int retval; |
c906108c SS |
2669 | |
2670 | retval = debug_target.to_insert_vfork_catchpoint (pid); | |
2671 | ||
96baa820 | 2672 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n", |
c5aa993b | 2673 | pid, retval); |
c906108c SS |
2674 | |
2675 | return retval; | |
2676 | } | |
2677 | ||
2678 | static int | |
fba45db2 | 2679 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 2680 | { |
c5aa993b | 2681 | int retval; |
c906108c SS |
2682 | |
2683 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2684 | ||
96baa820 | 2685 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 2686 | pid, retval); |
c906108c SS |
2687 | |
2688 | return retval; | |
2689 | } | |
2690 | ||
2691 | static int | |
fba45db2 | 2692 | debug_to_has_forked (int pid, int *child_pid) |
c906108c | 2693 | { |
c5aa993b | 2694 | int has_forked; |
c906108c SS |
2695 | |
2696 | has_forked = debug_target.to_has_forked (pid, child_pid); | |
2697 | ||
96baa820 | 2698 | fprintf_unfiltered (gdb_stdlog, "target_has_forked (%d, %d) = %d\n", |
c5aa993b | 2699 | pid, *child_pid, has_forked); |
c906108c SS |
2700 | |
2701 | return has_forked; | |
2702 | } | |
2703 | ||
2704 | static int | |
fba45db2 | 2705 | debug_to_has_vforked (int pid, int *child_pid) |
c906108c | 2706 | { |
c5aa993b | 2707 | int has_vforked; |
c906108c SS |
2708 | |
2709 | has_vforked = debug_target.to_has_vforked (pid, child_pid); | |
2710 | ||
96baa820 | 2711 | fprintf_unfiltered (gdb_stdlog, "target_has_vforked (%d, %d) = %d\n", |
c5aa993b | 2712 | pid, *child_pid, has_vforked); |
c906108c SS |
2713 | |
2714 | return has_vforked; | |
2715 | } | |
2716 | ||
2717 | static int | |
fba45db2 | 2718 | debug_to_can_follow_vfork_prior_to_exec (void) |
c906108c | 2719 | { |
c5aa993b | 2720 | int can_immediately_follow_vfork; |
c906108c SS |
2721 | |
2722 | can_immediately_follow_vfork = debug_target.to_can_follow_vfork_prior_to_exec (); | |
2723 | ||
96baa820 | 2724 | fprintf_unfiltered (gdb_stdlog, "target_can_follow_vfork_prior_to_exec () = %d\n", |
c5aa993b | 2725 | can_immediately_follow_vfork); |
c906108c SS |
2726 | |
2727 | return can_immediately_follow_vfork; | |
2728 | } | |
2729 | ||
2730 | static void | |
fba45db2 KB |
2731 | debug_to_post_follow_vfork (int parent_pid, int followed_parent, int child_pid, |
2732 | int followed_child) | |
c906108c SS |
2733 | { |
2734 | debug_target.to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child); | |
2735 | ||
96baa820 | 2736 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2737 | "target_post_follow_vfork (%d, %d, %d, %d)\n", |
c5aa993b | 2738 | parent_pid, followed_parent, child_pid, followed_child); |
c906108c SS |
2739 | } |
2740 | ||
2741 | static int | |
fba45db2 | 2742 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 2743 | { |
c5aa993b | 2744 | int retval; |
c906108c SS |
2745 | |
2746 | retval = debug_target.to_insert_exec_catchpoint (pid); | |
2747 | ||
96baa820 | 2748 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2749 | pid, retval); |
c906108c SS |
2750 | |
2751 | return retval; | |
2752 | } | |
2753 | ||
2754 | static int | |
fba45db2 | 2755 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 2756 | { |
c5aa993b | 2757 | int retval; |
c906108c SS |
2758 | |
2759 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2760 | ||
96baa820 | 2761 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2762 | pid, retval); |
c906108c SS |
2763 | |
2764 | return retval; | |
2765 | } | |
2766 | ||
2767 | static int | |
fba45db2 | 2768 | debug_to_has_execd (int pid, char **execd_pathname) |
c906108c | 2769 | { |
c5aa993b | 2770 | int has_execd; |
c906108c SS |
2771 | |
2772 | has_execd = debug_target.to_has_execd (pid, execd_pathname); | |
2773 | ||
96baa820 | 2774 | fprintf_unfiltered (gdb_stdlog, "target_has_execd (%d, %s) = %d\n", |
c5aa993b | 2775 | pid, (*execd_pathname ? *execd_pathname : "<NULL>"), |
7a292a7a | 2776 | has_execd); |
c906108c SS |
2777 | |
2778 | return has_execd; | |
2779 | } | |
2780 | ||
2781 | static int | |
fba45db2 | 2782 | debug_to_reported_exec_events_per_exec_call (void) |
c906108c | 2783 | { |
c5aa993b | 2784 | int reported_exec_events; |
c906108c SS |
2785 | |
2786 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
2787 | ||
96baa820 | 2788 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2789 | "target_reported_exec_events_per_exec_call () = %d\n", |
c5aa993b | 2790 | reported_exec_events); |
c906108c SS |
2791 | |
2792 | return reported_exec_events; | |
2793 | } | |
2794 | ||
2795 | static int | |
fba45db2 KB |
2796 | debug_to_has_syscall_event (int pid, enum target_waitkind *kind, |
2797 | int *syscall_id) | |
c906108c | 2798 | { |
c5aa993b JM |
2799 | int has_syscall_event; |
2800 | char *kind_spelling = "??"; | |
c906108c SS |
2801 | |
2802 | has_syscall_event = debug_target.to_has_syscall_event (pid, kind, syscall_id); | |
2803 | if (has_syscall_event) | |
2804 | { | |
2805 | switch (*kind) | |
c5aa993b JM |
2806 | { |
2807 | case TARGET_WAITKIND_SYSCALL_ENTRY: | |
2808 | kind_spelling = "SYSCALL_ENTRY"; | |
2809 | break; | |
2810 | case TARGET_WAITKIND_SYSCALL_RETURN: | |
2811 | kind_spelling = "SYSCALL_RETURN"; | |
2812 | break; | |
2813 | default: | |
2814 | break; | |
2815 | } | |
c906108c SS |
2816 | } |
2817 | ||
96baa820 | 2818 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2819 | "target_has_syscall_event (%d, %s, %d) = %d\n", |
c5aa993b | 2820 | pid, kind_spelling, *syscall_id, has_syscall_event); |
c906108c SS |
2821 | |
2822 | return has_syscall_event; | |
2823 | } | |
2824 | ||
2825 | static int | |
fba45db2 | 2826 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2827 | { |
c5aa993b | 2828 | int has_exited; |
c906108c SS |
2829 | |
2830 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2831 | ||
96baa820 | 2832 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2833 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2834 | |
2835 | return has_exited; | |
2836 | } | |
2837 | ||
2838 | static void | |
fba45db2 | 2839 | debug_to_mourn_inferior (void) |
c906108c SS |
2840 | { |
2841 | debug_target.to_mourn_inferior (); | |
2842 | ||
96baa820 | 2843 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2844 | } |
2845 | ||
2846 | static int | |
fba45db2 | 2847 | debug_to_can_run (void) |
c906108c SS |
2848 | { |
2849 | int retval; | |
2850 | ||
2851 | retval = debug_target.to_can_run (); | |
2852 | ||
96baa820 | 2853 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2854 | |
2855 | return retval; | |
2856 | } | |
2857 | ||
2858 | static void | |
39f77062 | 2859 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2860 | { |
39f77062 | 2861 | debug_target.to_notice_signals (ptid); |
c906108c | 2862 | |
39f77062 KB |
2863 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2864 | PIDGET (ptid)); | |
c906108c SS |
2865 | } |
2866 | ||
2867 | static int | |
39f77062 | 2868 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2869 | { |
2870 | int retval; | |
2871 | ||
39f77062 | 2872 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2873 | |
96baa820 | 2874 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2875 | PIDGET (ptid), retval); |
c906108c SS |
2876 | |
2877 | return retval; | |
2878 | } | |
2879 | ||
0d06e24b | 2880 | static void |
fba45db2 | 2881 | debug_to_find_new_threads (void) |
0d06e24b JM |
2882 | { |
2883 | debug_target.to_find_new_threads (); | |
2884 | ||
2885 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2886 | } | |
2887 | ||
c906108c | 2888 | static void |
fba45db2 | 2889 | debug_to_stop (void) |
c906108c SS |
2890 | { |
2891 | debug_target.to_stop (); | |
2892 | ||
96baa820 | 2893 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2894 | } |
2895 | ||
2896 | static int | |
fba45db2 | 2897 | debug_to_query (int type, char *req, char *resp, int *siz) |
c906108c SS |
2898 | { |
2899 | int retval; | |
2900 | ||
2901 | retval = debug_target.to_query (type, req, resp, siz); | |
2902 | ||
96baa820 | 2903 | fprintf_unfiltered (gdb_stdlog, "target_query (%c, %s, %s, %d) = %d\n", type, req, resp, *siz, retval); |
c906108c SS |
2904 | |
2905 | return retval; | |
2906 | } | |
2907 | ||
96baa820 JM |
2908 | static void |
2909 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2910 | struct ui_file *outbuf) |
96baa820 JM |
2911 | { |
2912 | debug_target.to_rcmd (command, outbuf); | |
2913 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2914 | } | |
2915 | ||
c906108c | 2916 | static struct symtab_and_line * |
fba45db2 | 2917 | debug_to_enable_exception_callback (enum exception_event_kind kind, int enable) |
c906108c | 2918 | { |
7a292a7a SS |
2919 | struct symtab_and_line *result; |
2920 | result = debug_target.to_enable_exception_callback (kind, enable); | |
96baa820 | 2921 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2922 | "target get_exception_callback_sal (%d, %d)\n", |
2923 | kind, enable); | |
7a292a7a | 2924 | return result; |
c906108c SS |
2925 | } |
2926 | ||
2927 | static struct exception_event_record * | |
fba45db2 | 2928 | debug_to_get_current_exception_event (void) |
c906108c | 2929 | { |
7a292a7a | 2930 | struct exception_event_record *result; |
c5aa993b | 2931 | result = debug_target.to_get_current_exception_event (); |
96baa820 | 2932 | fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n"); |
7a292a7a | 2933 | return result; |
c906108c SS |
2934 | } |
2935 | ||
2936 | static char * | |
fba45db2 | 2937 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2938 | { |
c5aa993b | 2939 | char *exec_file; |
c906108c SS |
2940 | |
2941 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2942 | ||
96baa820 | 2943 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2944 | pid, exec_file); |
c906108c SS |
2945 | |
2946 | return exec_file; | |
2947 | } | |
2948 | ||
c906108c | 2949 | static void |
fba45db2 | 2950 | setup_target_debug (void) |
c906108c SS |
2951 | { |
2952 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2953 | ||
2954 | current_target.to_open = debug_to_open; | |
2955 | current_target.to_close = debug_to_close; | |
2956 | current_target.to_attach = debug_to_attach; | |
2957 | current_target.to_post_attach = debug_to_post_attach; | |
2958 | current_target.to_require_attach = debug_to_require_attach; | |
2959 | current_target.to_detach = debug_to_detach; | |
2960 | current_target.to_require_detach = debug_to_require_detach; | |
2961 | current_target.to_resume = debug_to_resume; | |
2962 | current_target.to_wait = debug_to_wait; | |
2963 | current_target.to_post_wait = debug_to_post_wait; | |
2964 | current_target.to_fetch_registers = debug_to_fetch_registers; | |
2965 | current_target.to_store_registers = debug_to_store_registers; | |
2966 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
2967 | current_target.to_xfer_memory = debug_to_xfer_memory; | |
2968 | current_target.to_files_info = debug_to_files_info; | |
2969 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2970 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
2971 | current_target.to_terminal_init = debug_to_terminal_init; | |
2972 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2973 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2974 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
2975 | current_target.to_terminal_info = debug_to_terminal_info; | |
2976 | current_target.to_kill = debug_to_kill; | |
2977 | current_target.to_load = debug_to_load; | |
2978 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2979 | current_target.to_create_inferior = debug_to_create_inferior; | |
2980 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2981 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
2982 | current_target.to_clone_and_follow_inferior = debug_to_clone_and_follow_inferior; | |
2983 | current_target.to_post_follow_inferior_by_clone = debug_to_post_follow_inferior_by_clone; | |
2984 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; | |
2985 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2986 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2987 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
2988 | current_target.to_has_forked = debug_to_has_forked; | |
2989 | current_target.to_has_vforked = debug_to_has_vforked; | |
2990 | current_target.to_can_follow_vfork_prior_to_exec = debug_to_can_follow_vfork_prior_to_exec; | |
2991 | current_target.to_post_follow_vfork = debug_to_post_follow_vfork; | |
2992 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; | |
2993 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
2994 | current_target.to_has_execd = debug_to_has_execd; | |
2995 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; | |
2996 | current_target.to_has_syscall_event = debug_to_has_syscall_event; | |
2997 | current_target.to_has_exited = debug_to_has_exited; | |
2998 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2999 | current_target.to_can_run = debug_to_can_run; | |
3000 | current_target.to_notice_signals = debug_to_notice_signals; | |
3001 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 3002 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c SS |
3003 | current_target.to_stop = debug_to_stop; |
3004 | current_target.to_query = debug_to_query; | |
96baa820 | 3005 | current_target.to_rcmd = debug_to_rcmd; |
c906108c SS |
3006 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
3007 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
3008 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
c906108c SS |
3009 | |
3010 | } | |
c906108c | 3011 | \f |
c5aa993b JM |
3012 | |
3013 | static char targ_desc[] = | |
3014 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
3015 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
3016 | core-file, and process, if any), as well as the symbol file name."; | |
3017 | ||
96baa820 JM |
3018 | static void |
3019 | do_monitor_command (char *cmd, | |
3020 | int from_tty) | |
3021 | { | |
2b5fe715 AC |
3022 | if ((current_target.to_rcmd |
3023 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 3024 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
3025 | && (debug_target.to_rcmd |
3026 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
96baa820 JM |
3027 | { |
3028 | error ("\"monitor\" command not supported by this target.\n"); | |
3029 | } | |
3030 | target_rcmd (cmd, gdb_stdtarg); | |
3031 | } | |
3032 | ||
c906108c | 3033 | void |
fba45db2 | 3034 | initialize_targets (void) |
c906108c SS |
3035 | { |
3036 | init_dummy_target (); | |
3037 | push_target (&dummy_target); | |
3038 | ||
3039 | add_info ("target", target_info, targ_desc); | |
3040 | add_info ("files", target_info, targ_desc); | |
3041 | ||
c906108c | 3042 | add_show_from_set ( |
5d161b24 | 3043 | add_set_cmd ("target", class_maintenance, var_zinteger, |
c5aa993b JM |
3044 | (char *) &targetdebug, |
3045 | "Set target debugging.\n\ | |
5d161b24 DB |
3046 | When non-zero, target debugging is enabled.", &setdebuglist), |
3047 | &showdebuglist); | |
c906108c | 3048 | |
96baa820 JM |
3049 | |
3050 | add_com ("monitor", class_obscure, do_monitor_command, | |
3051 | "Send a command to the remote monitor (remote targets only)."); | |
3052 | ||
4930751a C |
3053 | target_dcache = dcache_init(); |
3054 | ||
c906108c | 3055 | if (!STREQ (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC")) |
e1e9e218 | 3056 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c | 3057 | } |