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