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