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