Commit | Line | Data |
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bd5635a1 | 1 | /* Select target systems and architectures at runtime for GDB. |
47b8a5ce | 2 | Copyright 1990, 1992, 1993, 1994, 1995, 1998 Free Software Foundation, Inc. |
bd5635a1 RP |
3 | Contributed by Cygnus Support. |
4 | ||
5 | This file is part of GDB. | |
6 | ||
e17960fb | 7 | This program is free software; you can redistribute it and/or modify |
bd5635a1 | 8 | it under the terms of the GNU General Public License as published by |
e17960fb JG |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. | |
bd5635a1 | 11 | |
e17960fb | 12 | This program is distributed in the hope that it will be useful, |
bd5635a1 RP |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
e17960fb | 18 | along with this program; if not, write to the Free Software |
8fc2b417 | 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
bd5635a1 | 20 | |
80d68b1d | 21 | #include "defs.h" |
bd5635a1 RP |
22 | #include <errno.h> |
23 | #include <ctype.h> | |
2b576293 | 24 | #include "gdb_string.h" |
bd5635a1 RP |
25 | #include "target.h" |
26 | #include "gdbcmd.h" | |
27 | #include "symtab.h" | |
28 | #include "inferior.h" | |
29 | #include "bfd.h" | |
30 | #include "symfile.h" | |
51b57ded | 31 | #include "objfiles.h" |
4ad0021e JK |
32 | #include "wait.h" |
33 | #include <signal.h> | |
bd5635a1 | 34 | |
e17960fb JG |
35 | extern int errno; |
36 | ||
7919c3ed JG |
37 | static void |
38 | target_info PARAMS ((char *, int)); | |
39 | ||
40 | static void | |
41 | cleanup_target PARAMS ((struct target_ops *)); | |
42 | ||
43 | static void | |
44 | maybe_kill_then_create_inferior PARAMS ((char *, char *, char **)); | |
45 | ||
4ef1f467 DT |
46 | static void |
47 | default_clone_and_follow_inferior PARAMS ((int, int *)); | |
48 | ||
7919c3ed JG |
49 | static void |
50 | maybe_kill_then_attach PARAMS ((char *, int)); | |
51 | ||
52 | static void | |
53 | kill_or_be_killed PARAMS ((int)); | |
54 | ||
55 | static void | |
56 | default_terminal_info PARAMS ((char *, int)); | |
57 | ||
58 | static int | |
59 | nosymbol PARAMS ((char *, CORE_ADDR *)); | |
60 | ||
7919c3ed JG |
61 | static void |
62 | tcomplain PARAMS ((void)); | |
63 | ||
64 | static int | |
4fc5969d | 65 | nomemory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *)); |
7919c3ed | 66 | |
597dc86b SG |
67 | static int |
68 | return_zero PARAMS ((void)); | |
69 | ||
4ef1f467 DT |
70 | static int |
71 | return_one PARAMS ((void)); | |
72 | ||
73 | void | |
74 | target_ignore PARAMS ((void)); | |
597dc86b | 75 | |
7919c3ed JG |
76 | static void |
77 | target_command PARAMS ((char *, int)); | |
bd5635a1 | 78 | |
597dc86b SG |
79 | static struct target_ops * |
80 | find_default_run_target PARAMS ((char *)); | |
81 | ||
47b8a5ce PS |
82 | static void |
83 | update_current_target PARAMS ((void)); | |
84 | ||
85 | /* Transfer LEN bytes between target address MEMADDR and GDB address MYADDR. | |
86 | Returns 0 for success, errno code for failure (which includes partial | |
87 | transfers--if you want a more useful response to partial transfers, try | |
88 | target_read_memory_partial). */ | |
89 | ||
90 | static int | |
91 | target_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len, | |
92 | int write, asection *bfd_section)); | |
93 | ||
94 | static void | |
95 | debug_to_open PARAMS ((char *, int)); | |
96 | ||
97 | static void | |
98 | debug_to_close PARAMS ((int)); | |
99 | ||
100 | static void | |
101 | debug_to_attach PARAMS ((char *, int)); | |
102 | ||
103 | static void | |
104 | debug_to_detach PARAMS ((char *, int)); | |
105 | ||
106 | static void | |
107 | debug_to_resume PARAMS ((int, int, enum target_signal)); | |
108 | ||
109 | static int | |
110 | debug_to_wait PARAMS ((int, struct target_waitstatus *)); | |
111 | ||
112 | static void | |
113 | debug_to_fetch_registers PARAMS ((int)); | |
114 | ||
115 | static void | |
116 | debug_to_store_registers PARAMS ((int)); | |
117 | ||
118 | static void | |
119 | debug_to_prepare_to_store PARAMS ((void)); | |
120 | ||
121 | static int | |
122 | debug_to_xfer_memory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *)); | |
123 | ||
124 | static void | |
125 | debug_to_files_info PARAMS ((struct target_ops *)); | |
126 | ||
127 | static int | |
128 | debug_to_insert_breakpoint PARAMS ((CORE_ADDR, char *)); | |
129 | ||
130 | static int | |
131 | debug_to_remove_breakpoint PARAMS ((CORE_ADDR, char *)); | |
132 | ||
133 | static void | |
134 | debug_to_terminal_init PARAMS ((void)); | |
135 | ||
136 | static void | |
137 | debug_to_terminal_inferior PARAMS ((void)); | |
138 | ||
139 | static void | |
140 | debug_to_terminal_ours_for_output PARAMS ((void)); | |
141 | ||
142 | static void | |
143 | debug_to_terminal_ours PARAMS ((void)); | |
144 | ||
145 | static void | |
146 | debug_to_terminal_info PARAMS ((char *, int)); | |
147 | ||
148 | static void | |
149 | debug_to_kill PARAMS ((void)); | |
150 | ||
151 | static void | |
152 | debug_to_load PARAMS ((char *, int)); | |
153 | ||
154 | static int | |
155 | debug_to_lookup_symbol PARAMS ((char *, CORE_ADDR *)); | |
156 | ||
157 | static void | |
158 | debug_to_create_inferior PARAMS ((char *, char *, char **)); | |
159 | ||
160 | static void | |
161 | debug_to_mourn_inferior PARAMS ((void)); | |
162 | ||
163 | static int | |
164 | debug_to_can_run PARAMS ((void)); | |
165 | ||
166 | static void | |
167 | debug_to_notice_signals PARAMS ((int)); | |
168 | ||
169 | static int | |
170 | debug_to_thread_alive PARAMS ((int)); | |
171 | ||
172 | static void | |
173 | debug_to_stop PARAMS ((void)); | |
174 | ||
bd5635a1 RP |
175 | /* Pointer to array of target architecture structures; the size of the |
176 | array; the current index into the array; the allocated size of the | |
177 | array. */ | |
178 | struct target_ops **target_structs; | |
179 | unsigned target_struct_size; | |
180 | unsigned target_struct_index; | |
181 | unsigned target_struct_allocsize; | |
182 | #define DEFAULT_ALLOCSIZE 10 | |
183 | ||
184 | /* The initial current target, so that there is always a semi-valid | |
185 | current target. */ | |
186 | ||
43fc25c8 JL |
187 | struct target_ops dummy_target = { |
188 | "None", /* to_shortname */ | |
189 | "None", /* to_longname */ | |
190 | "", /* to_doc */ | |
191 | 0, /* to_open */ | |
192 | 0, /* to_close */ | |
193 | find_default_attach, /* to_attach */ | |
4ef1f467 DT |
194 | NULL, /* to_post_attach */ |
195 | find_default_require_attach, /* to_require_attach */ | |
43fc25c8 | 196 | 0, /* to_detach */ |
4ef1f467 | 197 | find_default_require_detach, /* to_require_detach */ |
43fc25c8 JL |
198 | 0, /* to_resume */ |
199 | 0, /* to_wait */ | |
4ef1f467 | 200 | NULL, /* to_post_wait */ |
43fc25c8 JL |
201 | 0, /* to_fetch_registers */ |
202 | 0, /* to_store_registers */ | |
203 | 0, /* to_prepare_to_store */ | |
204 | 0, /* to_xfer_memory */ | |
205 | 0, /* to_files_info */ | |
206 | 0, /* to_insert_breakpoint */ | |
207 | 0, /* to_remove_breakpoint */ | |
208 | 0, /* to_terminal_init */ | |
209 | 0, /* to_terminal_inferior */ | |
210 | 0, /* to_terminal_ours_for_output */ | |
211 | 0, /* to_terminal_ours */ | |
212 | 0, /* to_terminal_info */ | |
213 | 0, /* to_kill */ | |
214 | 0, /* to_load */ | |
215 | 0, /* to_lookup_symbol */ | |
216 | find_default_create_inferior, /* to_create_inferior */ | |
4ef1f467 DT |
217 | NULL, /* to_post_startup_inferior */ |
218 | NULL, /* to_acknowledge_created_inferior */ | |
219 | find_default_clone_and_follow_inferior, /* to_clone_and_follow_inferior */ | |
220 | NULL, /* to_post_follow_inferior_by_clone */ | |
221 | NULL, /* to_insert_fork_catchpoint */ | |
222 | NULL, /* to_remove_fork_catchpoint */ | |
223 | NULL, /* to_insert_vfork_catchpoint */ | |
224 | NULL, /* to_remove_vfork_catchpoint */ | |
225 | NULL, /* to_has_forked */ | |
226 | NULL, /* to_has_vforked */ | |
227 | NULL, /* to_can_follow_vfork_prior_to_exec */ | |
228 | NULL, /* to_post_follow_vfork */ | |
229 | NULL, /* to_insert_exec_catchpoint */ | |
230 | NULL, /* to_remove_exec_catchpoint */ | |
231 | NULL, /* to_has_execd */ | |
232 | NULL, /* to_reported_exec_events_per_exec_call */ | |
233 | NULL, /* to_has_syscall_event */ | |
234 | NULL, /* to_has_exited */ | |
43fc25c8 JL |
235 | 0, /* to_mourn_inferior */ |
236 | 0, /* to_can_run */ | |
237 | 0, /* to_notice_signals */ | |
238 | 0, /* to_thread_alive */ | |
239 | 0, /* to_stop */ | |
4ef1f467 DT |
240 | NULL, /* to_enable_exception_callback */ |
241 | NULL, /* to_get_current_exception_event */ | |
242 | NULL, /* to_pid_to_exec_file */ | |
243 | NULL, /* to_core_file_to_sym_file */ | |
43fc25c8 JL |
244 | dummy_stratum, /* to_stratum */ |
245 | 0, /* to_next */ | |
43fc25c8 JL |
246 | 0, /* to_has_all_memory */ |
247 | 0, /* to_has_memory */ | |
47b8a5ce | 248 | 0, /* to_has_stack */ |
43fc25c8 JL |
249 | 0, /* to_has_registers */ |
250 | 0, /* to_has_execution */ | |
3ab2abae | 251 | tc_none, /* to_has_thread_control */ |
43fc25c8 JL |
252 | 0, /* to_sections */ |
253 | 0, /* to_sections_end */ | |
254 | OPS_MAGIC, /* to_magic */ | |
bd5635a1 RP |
255 | }; |
256 | ||
cad1498f | 257 | /* Top of target stack. */ |
bd5635a1 | 258 | |
cad1498f | 259 | struct target_stack_item *target_stack; |
bd5635a1 | 260 | |
cad1498f SG |
261 | /* The target structure we are currently using to talk to a process |
262 | or file or whatever "inferior" we have. */ | |
bd5635a1 | 263 | |
cad1498f | 264 | struct target_ops current_target; |
bd5635a1 | 265 | |
f2fc6e7a JK |
266 | /* Command list for target. */ |
267 | ||
268 | static struct cmd_list_element *targetlist = NULL; | |
269 | ||
16d2cc80 SS |
270 | /* Nonzero if we are debugging an attached outside process |
271 | rather than an inferior. */ | |
272 | ||
273 | int attach_flag; | |
274 | ||
43fc25c8 JL |
275 | #ifdef MAINTENANCE_CMDS |
276 | /* Non-zero if we want to see trace of target level stuff. */ | |
277 | ||
278 | static int targetdebug = 0; | |
279 | ||
280 | static void setup_target_debug PARAMS ((void)); | |
281 | ||
282 | #endif | |
283 | ||
f2fc6e7a JK |
284 | /* The user just typed 'target' without the name of a target. */ |
285 | ||
e1ce8aa5 | 286 | /* ARGSUSED */ |
f2fc6e7a JK |
287 | static void |
288 | target_command (arg, from_tty) | |
289 | char *arg; | |
290 | int from_tty; | |
291 | { | |
597dc86b | 292 | fputs_filtered ("Argument required (target name). Try `help target'\n", |
67ac9759 | 293 | gdb_stdout); |
f2fc6e7a | 294 | } |
bd5635a1 RP |
295 | |
296 | /* Add a possible target architecture to the list. */ | |
297 | ||
298 | void | |
299 | add_target (t) | |
300 | struct target_ops *t; | |
301 | { | |
bd5635a1 RP |
302 | if (!target_structs) |
303 | { | |
304 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
305 | target_structs = (struct target_ops **) xmalloc | |
306 | (target_struct_allocsize * sizeof (*target_structs)); | |
307 | } | |
308 | if (target_struct_size >= target_struct_allocsize) | |
309 | { | |
310 | target_struct_allocsize *= 2; | |
7919c3ed JG |
311 | target_structs = (struct target_ops **) |
312 | xrealloc ((char *) target_structs, | |
313 | target_struct_allocsize * sizeof (*target_structs)); | |
bd5635a1 RP |
314 | } |
315 | target_structs[target_struct_size++] = t; | |
a3ecbe7c | 316 | /* cleanup_target (t);*/ |
f2fc6e7a JK |
317 | |
318 | if (targetlist == NULL) | |
319 | add_prefix_cmd ("target", class_run, target_command, | |
320 | "Connect to a target machine or process.\n\ | |
321 | The first argument is the type or protocol of the target machine.\n\ | |
322 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
323 | information on the arguments for a particular protocol, type\n\ | |
324 | `help target ' followed by the protocol name.", | |
325 | &targetlist, "target ", 0, &cmdlist); | |
326 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
bd5635a1 RP |
327 | } |
328 | ||
329 | /* Stub functions */ | |
330 | ||
4ef1f467 DT |
331 | void |
332 | target_ignore () | |
bd5635a1 RP |
333 | { |
334 | } | |
335 | ||
336 | /* ARGSUSED */ | |
337 | static int | |
4fc5969d | 338 | nomemory (memaddr, myaddr, len, write, t) |
bd5635a1 RP |
339 | CORE_ADDR memaddr; |
340 | char *myaddr; | |
341 | int len; | |
342 | int write; | |
4fc5969d | 343 | struct target_ops *t; |
bd5635a1 | 344 | { |
51b57ded | 345 | errno = EIO; /* Can't read/write this location */ |
bd5635a1 RP |
346 | return 0; /* No bytes handled */ |
347 | } | |
348 | ||
349 | static void | |
350 | tcomplain () | |
351 | { | |
352 | error ("You can't do that when your target is `%s'", | |
cad1498f | 353 | current_target.to_shortname); |
bd5635a1 RP |
354 | } |
355 | ||
80d68b1d | 356 | void |
bd5635a1 RP |
357 | noprocess () |
358 | { | |
49082556 | 359 | error ("You can't do that without a process to debug."); |
bd5635a1 RP |
360 | } |
361 | ||
e1ce8aa5 | 362 | /* ARGSUSED */ |
bd5635a1 RP |
363 | static int |
364 | nosymbol (name, addrp) | |
365 | char *name; | |
366 | CORE_ADDR *addrp; | |
367 | { | |
368 | return 1; /* Symbol does not exist in target env */ | |
369 | } | |
370 | ||
4ef1f467 DT |
371 | /* ARGSUSED */ |
372 | void | |
373 | nosupport_runtime () | |
374 | { | |
375 | if (!inferior_pid) | |
376 | noprocess (); | |
377 | else | |
378 | error ("No run-time support for this"); | |
379 | } | |
380 | ||
381 | ||
e1ce8aa5 | 382 | /* ARGSUSED */ |
bd5635a1 RP |
383 | static void |
384 | default_terminal_info (args, from_tty) | |
385 | char *args; | |
386 | int from_tty; | |
387 | { | |
67ac9759 | 388 | printf_unfiltered("No saved terminal information.\n"); |
bd5635a1 RP |
389 | } |
390 | ||
bd5635a1 RP |
391 | /* This is the default target_create_inferior and target_attach function. |
392 | If the current target is executing, it asks whether to kill it off. | |
393 | If this function returns without calling error(), it has killed off | |
394 | the target, and the operation should be attempted. */ | |
395 | ||
396 | static void | |
397 | kill_or_be_killed (from_tty) | |
398 | int from_tty; | |
399 | { | |
bd5635a1 RP |
400 | if (target_has_execution) |
401 | { | |
67ac9759 | 402 | printf_unfiltered ("You are already running a program:\n"); |
bd5635a1 RP |
403 | target_files_info (); |
404 | if (query ("Kill it? ")) { | |
e17960fb | 405 | target_kill (); |
bd5635a1 RP |
406 | if (target_has_execution) |
407 | error ("Killing the program did not help."); | |
408 | return; | |
409 | } else { | |
410 | error ("Program not killed."); | |
411 | } | |
412 | } | |
413 | tcomplain(); | |
414 | } | |
415 | ||
416 | static void | |
417 | maybe_kill_then_attach (args, from_tty) | |
418 | char *args; | |
419 | int from_tty; | |
420 | { | |
421 | kill_or_be_killed (from_tty); | |
422 | target_attach (args, from_tty); | |
423 | } | |
424 | ||
425 | static void | |
426 | maybe_kill_then_create_inferior (exec, args, env) | |
427 | char *exec; | |
428 | char *args; | |
429 | char **env; | |
430 | { | |
431 | kill_or_be_killed (0); | |
432 | target_create_inferior (exec, args, env); | |
433 | } | |
434 | ||
4ef1f467 DT |
435 | static void |
436 | default_clone_and_follow_inferior (child_pid, followed_child) | |
437 | int child_pid; | |
438 | int *followed_child; | |
439 | { | |
440 | target_clone_and_follow_inferior (child_pid, followed_child); | |
441 | } | |
442 | ||
bd5635a1 RP |
443 | /* Clean up a target struct so it no longer has any zero pointers in it. |
444 | We default entries, at least to stubs that print error messages. */ | |
445 | ||
446 | static void | |
447 | cleanup_target (t) | |
448 | struct target_ops *t; | |
449 | { | |
450 | ||
bd5635a1 RP |
451 | #define de_fault(field, value) \ |
452 | if (!t->field) t->field = value | |
453 | ||
454 | /* FIELD DEFAULT VALUE */ | |
455 | ||
47b8a5ce | 456 | de_fault (to_open, (void (*) PARAMS((char *, int))) tcomplain); |
4ef1f467 | 457 | de_fault (to_close, (void (*) PARAMS((int))) target_ignore); |
bd5635a1 | 458 | de_fault (to_attach, maybe_kill_then_attach); |
4ef1f467 DT |
459 | de_fault (to_post_attach, (void (*) PARAMS ((int))) target_ignore); |
460 | de_fault (to_require_attach, maybe_kill_then_attach); | |
461 | de_fault (to_detach, (void (*) PARAMS((char *, int))) target_ignore); | |
462 | de_fault (to_require_detach, (void (*) PARAMS((int, char *, int))) target_ignore); | |
47b8a5ce PS |
463 | de_fault (to_resume, (void (*) PARAMS((int, int, enum target_signal))) noprocess); |
464 | de_fault (to_wait, (int (*) PARAMS((int, struct target_waitstatus *))) noprocess); | |
4ef1f467 DT |
465 | de_fault (to_post_wait, (void (*) PARAMS ((int, int))) target_ignore); |
466 | de_fault (to_fetch_registers, (void (*) PARAMS((int))) target_ignore); | |
47b8a5ce PS |
467 | de_fault (to_store_registers, (void (*) PARAMS((int))) noprocess); |
468 | de_fault (to_prepare_to_store, (void (*) PARAMS((void))) noprocess); | |
469 | de_fault (to_xfer_memory, (int (*) PARAMS((CORE_ADDR, char *, int, int, struct target_ops *))) nomemory); | |
4ef1f467 | 470 | de_fault (to_files_info, (void (*) PARAMS((struct target_ops *))) target_ignore); |
bd5635a1 RP |
471 | de_fault (to_insert_breakpoint, memory_insert_breakpoint); |
472 | de_fault (to_remove_breakpoint, memory_remove_breakpoint); | |
4ef1f467 DT |
473 | de_fault (to_terminal_init, (void (*) PARAMS((void))) target_ignore); |
474 | de_fault (to_terminal_inferior, (void (*) PARAMS ((void))) target_ignore); | |
475 | de_fault (to_terminal_ours_for_output,(void (*) PARAMS ((void))) target_ignore); | |
476 | de_fault (to_terminal_ours, (void (*) PARAMS ((void))) target_ignore); | |
bd5635a1 | 477 | de_fault (to_terminal_info, default_terminal_info); |
47b8a5ce PS |
478 | de_fault (to_kill, (void (*) PARAMS((void))) noprocess); |
479 | de_fault (to_load, (void (*) PARAMS((char *, int))) tcomplain); | |
480 | de_fault (to_lookup_symbol, (int (*) PARAMS ((char *, CORE_ADDR *))) nosymbol); | |
bd5635a1 | 481 | de_fault (to_create_inferior, maybe_kill_then_create_inferior); |
4ef1f467 DT |
482 | de_fault (to_post_startup_inferior, (void (*) PARAMS ((int))) target_ignore); |
483 | de_fault (to_acknowledge_created_inferior, (void (*) PARAMS((int))) target_ignore); | |
484 | de_fault (to_clone_and_follow_inferior, default_clone_and_follow_inferior); | |
485 | de_fault (to_post_follow_inferior_by_clone, (void (*) PARAMS ((void))) target_ignore); | |
486 | de_fault (to_insert_fork_catchpoint, (int (*) PARAMS ((int))) tcomplain); | |
487 | de_fault (to_remove_fork_catchpoint, (int (*) PARAMS ((int))) tcomplain); | |
488 | de_fault (to_insert_vfork_catchpoint, (int (*) PARAMS ((int))) tcomplain); | |
489 | de_fault (to_remove_vfork_catchpoint, (int (*) PARAMS ((int))) tcomplain); | |
490 | de_fault (to_has_forked, (int (*) PARAMS ((int, int *))) return_zero); | |
491 | de_fault (to_has_vforked, (int (*) PARAMS ((int, int *))) return_zero); | |
492 | de_fault (to_can_follow_vfork_prior_to_exec, (int (*) PARAMS ((void ))) return_zero); | |
493 | de_fault (to_post_follow_vfork, (void (*) PARAMS ((int, int, int, int))) target_ignore); | |
494 | de_fault (to_insert_exec_catchpoint, (int (*) PARAMS ((int))) tcomplain); | |
495 | de_fault (to_remove_exec_catchpoint, (int (*) PARAMS ((int))) tcomplain); | |
496 | de_fault (to_has_execd, (int (*) PARAMS ((int, char **))) return_zero); | |
497 | de_fault (to_reported_exec_events_per_exec_call, (int (*) PARAMS ((void))) return_one); | |
498 | de_fault (to_has_syscall_event, (int (*) PARAMS ((int, enum target_waitkind *, int *))) return_zero); | |
499 | de_fault (to_has_exited, (int (*) PARAMS ((int, int, int *))) return_zero); | |
500 | de_fault (to_mourn_inferior, (void (*) PARAMS ((void))) noprocess); | |
597dc86b | 501 | de_fault (to_can_run, return_zero); |
4ef1f467 DT |
502 | de_fault (to_notice_signals, (void (*) PARAMS((int))) target_ignore); |
503 | de_fault (to_thread_alive, (int (*) PARAMS((int))) target_ignore); | |
504 | de_fault (to_stop, (void (*) PARAMS((void))) target_ignore); | |
505 | de_fault (to_enable_exception_callback, (struct symtab_and_line * (*) PARAMS((enum exception_event_kind, int))) nosupport_runtime); | |
506 | de_fault (to_get_current_exception_event, (struct exception_event_record * (*) PARAMS((void))) nosupport_runtime); | |
507 | ||
508 | de_fault (to_pid_to_exec_file, (char* (*) PARAMS((int))) return_zero); | |
509 | de_fault (to_core_file_to_sym_file, (char* (*) PARAMS ((char *))) return_zero); | |
bd5635a1 RP |
510 | #undef de_fault |
511 | } | |
512 | ||
cad1498f SG |
513 | /* Go through the target stack from top to bottom, copying over zero entries in |
514 | current_target. In effect, we are doing class inheritance through the | |
515 | pushed target vectors. */ | |
516 | ||
517 | static void | |
518 | update_current_target () | |
519 | { | |
520 | struct target_stack_item *item; | |
521 | struct target_ops *t; | |
522 | ||
523 | /* First, reset current_target */ | |
524 | memset (¤t_target, 0, sizeof current_target); | |
525 | ||
526 | for (item = target_stack; item; item = item->next) | |
527 | { | |
528 | t = item->target_ops; | |
529 | ||
530 | #define INHERIT(FIELD, TARGET) \ | |
531 | if (!current_target.FIELD) \ | |
532 | current_target.FIELD = TARGET->FIELD | |
533 | ||
534 | INHERIT (to_shortname, t); | |
535 | INHERIT (to_longname, t); | |
536 | INHERIT (to_doc, t); | |
537 | INHERIT (to_open, t); | |
538 | INHERIT (to_close, t); | |
539 | INHERIT (to_attach, t); | |
4ef1f467 DT |
540 | INHERIT (to_post_attach, t); |
541 | INHERIT (to_require_attach, t); | |
cad1498f | 542 | INHERIT (to_detach, t); |
4ef1f467 | 543 | INHERIT (to_require_detach, t); |
cad1498f SG |
544 | INHERIT (to_resume, t); |
545 | INHERIT (to_wait, t); | |
4ef1f467 | 546 | INHERIT (to_post_wait, t); |
cad1498f SG |
547 | INHERIT (to_fetch_registers, t); |
548 | INHERIT (to_store_registers, t); | |
549 | INHERIT (to_prepare_to_store, t); | |
550 | INHERIT (to_xfer_memory, t); | |
551 | INHERIT (to_files_info, t); | |
552 | INHERIT (to_insert_breakpoint, t); | |
553 | INHERIT (to_remove_breakpoint, t); | |
554 | INHERIT (to_terminal_init, t); | |
555 | INHERIT (to_terminal_inferior, t); | |
556 | INHERIT (to_terminal_ours_for_output, t); | |
557 | INHERIT (to_terminal_ours, t); | |
558 | INHERIT (to_terminal_info, t); | |
559 | INHERIT (to_kill, t); | |
560 | INHERIT (to_load, t); | |
561 | INHERIT (to_lookup_symbol, t); | |
562 | INHERIT (to_create_inferior, t); | |
4ef1f467 DT |
563 | INHERIT (to_post_startup_inferior, t); |
564 | INHERIT (to_acknowledge_created_inferior, t); | |
565 | INHERIT (to_clone_and_follow_inferior, t); | |
566 | INHERIT (to_post_follow_inferior_by_clone, t); | |
567 | INHERIT (to_insert_fork_catchpoint, t); | |
568 | INHERIT (to_remove_fork_catchpoint, t); | |
569 | INHERIT (to_insert_vfork_catchpoint, t); | |
570 | INHERIT (to_remove_vfork_catchpoint, t); | |
571 | INHERIT (to_has_forked, t); | |
572 | INHERIT (to_has_vforked, t); | |
573 | INHERIT (to_can_follow_vfork_prior_to_exec, t); | |
574 | INHERIT (to_post_follow_vfork, t); | |
575 | INHERIT (to_insert_exec_catchpoint, t); | |
576 | INHERIT (to_remove_exec_catchpoint, t); | |
577 | INHERIT (to_has_execd, t); | |
578 | INHERIT (to_reported_exec_events_per_exec_call, t); | |
579 | INHERIT (to_has_syscall_event, t); | |
580 | INHERIT (to_has_exited, t); | |
cad1498f SG |
581 | INHERIT (to_mourn_inferior, t); |
582 | INHERIT (to_can_run, t); | |
583 | INHERIT (to_notice_signals, t); | |
43fc25c8 JL |
584 | INHERIT (to_thread_alive, t); |
585 | INHERIT (to_stop, t); | |
4ef1f467 DT |
586 | INHERIT (to_enable_exception_callback, t); |
587 | INHERIT (to_get_current_exception_event, t); | |
588 | INHERIT (to_pid_to_exec_file, t); | |
589 | INHERIT (to_core_file_to_sym_file, t); | |
cad1498f SG |
590 | INHERIT (to_stratum, t); |
591 | INHERIT (DONT_USE, t); | |
592 | INHERIT (to_has_all_memory, t); | |
593 | INHERIT (to_has_memory, t); | |
594 | INHERIT (to_has_stack, t); | |
595 | INHERIT (to_has_registers, t); | |
596 | INHERIT (to_has_execution, t); | |
3ab2abae | 597 | INHERIT (to_has_thread_control, t); |
cad1498f SG |
598 | INHERIT (to_sections, t); |
599 | INHERIT (to_sections_end, t); | |
600 | INHERIT (to_magic, t); | |
601 | ||
602 | #undef INHERIT | |
603 | } | |
604 | } | |
605 | ||
bd5635a1 RP |
606 | /* Push a new target type into the stack of the existing target accessors, |
607 | possibly superseding some of the existing accessors. | |
608 | ||
609 | Result is zero if the pushed target ended up on top of the stack, | |
610 | nonzero if at least one target is on top of it. | |
611 | ||
612 | Rather than allow an empty stack, we always have the dummy target at | |
613 | the bottom stratum, so we can call the function vectors without | |
614 | checking them. */ | |
615 | ||
616 | int | |
617 | push_target (t) | |
618 | struct target_ops *t; | |
619 | { | |
cad1498f SG |
620 | struct target_stack_item *cur, *prev, *tmp; |
621 | ||
622 | /* Check magic number. If wrong, it probably means someone changed | |
623 | the struct definition, but not all the places that initialize one. */ | |
624 | if (t->to_magic != OPS_MAGIC) | |
625 | { | |
626 | fprintf_unfiltered(gdb_stderr, | |
627 | "Magic number of %s target struct wrong\n", | |
628 | t->to_shortname); | |
629 | abort(); | |
630 | } | |
631 | ||
632 | /* Find the proper stratum to install this target in. */ | |
633 | ||
634 | for (prev = NULL, cur = target_stack; cur; prev = cur, cur = cur->next) | |
635 | { | |
636 | if ((int)(t->to_stratum) >= (int)(cur->target_ops->to_stratum)) | |
637 | break; | |
638 | } | |
639 | ||
640 | /* If there's already targets at this stratum, remove them. */ | |
641 | ||
642 | if (cur) | |
643 | while (t->to_stratum == cur->target_ops->to_stratum) | |
644 | { | |
645 | /* There's already something on this stratum. Close it off. */ | |
8fc2b417 SG |
646 | if (cur->target_ops->to_close) |
647 | (cur->target_ops->to_close) (0); | |
cad1498f SG |
648 | if (prev) |
649 | prev->next = cur->next; /* Unchain old target_ops */ | |
650 | else | |
651 | target_stack = cur->next; /* Unchain first on list */ | |
652 | tmp = cur->next; | |
653 | free (cur); | |
654 | cur = tmp; | |
655 | } | |
656 | ||
657 | /* We have removed all targets in our stratum, now add the new one. */ | |
658 | ||
f6d5d006 JK |
659 | tmp = (struct target_stack_item *) |
660 | xmalloc (sizeof (struct target_stack_item)); | |
cad1498f SG |
661 | tmp->next = cur; |
662 | tmp->target_ops = t; | |
bd5635a1 | 663 | |
bd5635a1 | 664 | if (prev) |
cad1498f | 665 | prev->next = tmp; |
bd5635a1 | 666 | else |
cad1498f SG |
667 | target_stack = tmp; |
668 | ||
669 | update_current_target (); | |
bd5635a1 | 670 | |
cad1498f | 671 | cleanup_target (¤t_target); /* Fill in the gaps */ |
43fc25c8 JL |
672 | |
673 | #ifdef MAINTENANCE_CMDS | |
674 | if (targetdebug) | |
675 | setup_target_debug (); | |
676 | #endif | |
677 | ||
bd5635a1 RP |
678 | return prev != 0; |
679 | } | |
680 | ||
681 | /* Remove a target_ops vector from the stack, wherever it may be. | |
cad1498f | 682 | Return how many times it was removed (0 or 1). */ |
bd5635a1 RP |
683 | |
684 | int | |
685 | unpush_target (t) | |
686 | struct target_ops *t; | |
687 | { | |
cad1498f | 688 | struct target_stack_item *cur, *prev; |
bd5635a1 | 689 | |
a3ecbe7c SG |
690 | if (t->to_close) |
691 | t->to_close (0); /* Let it clean up */ | |
67e947de | 692 | |
cad1498f SG |
693 | /* Look for the specified target. Note that we assume that a target |
694 | can only occur once in the target stack. */ | |
695 | ||
696 | for (cur = target_stack, prev = NULL; cur; prev = cur, cur = cur->next) | |
697 | if (cur->target_ops == t) | |
698 | break; | |
699 | ||
700 | if (!cur) | |
701 | return 0; /* Didn't find target_ops, quit now */ | |
702 | ||
703 | /* Unchain the target */ | |
704 | ||
705 | if (!prev) | |
67e947de | 706 | target_stack = cur->next; |
cad1498f SG |
707 | else |
708 | prev->next = cur->next; | |
709 | ||
710 | free (cur); /* Release the target_stack_item */ | |
711 | ||
67e947de SG |
712 | update_current_target (); |
713 | cleanup_target (¤t_target); | |
cad1498f SG |
714 | |
715 | return 1; | |
bd5635a1 RP |
716 | } |
717 | ||
718 | void | |
719 | pop_target () | |
720 | { | |
cad1498f SG |
721 | (current_target.to_close)(0); /* Let it clean up */ |
722 | if (unpush_target (target_stack->target_ops) == 1) | |
723 | return; | |
724 | ||
725 | fprintf_unfiltered(gdb_stderr, | |
726 | "pop_target couldn't find target %s\n", | |
727 | current_target.to_shortname); | |
728 | abort(); | |
bd5635a1 RP |
729 | } |
730 | ||
49781499 | 731 | #undef MIN |
e17960fb JG |
732 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) |
733 | ||
4ad0021e JK |
734 | /* target_read_string -- read a null terminated string, up to LEN bytes, |
735 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
736 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
737 | is responsible for freeing it. Return the number of bytes successfully | |
738 | read. */ | |
e17960fb JG |
739 | |
740 | int | |
4ad0021e | 741 | target_read_string (memaddr, string, len, errnop) |
e17960fb | 742 | CORE_ADDR memaddr; |
4ad0021e | 743 | char **string; |
e17960fb | 744 | int len; |
4ad0021e | 745 | int *errnop; |
e17960fb JG |
746 | { |
747 | int tlen, origlen, offset, i; | |
748 | char buf[4]; | |
4ad0021e JK |
749 | int errcode = 0; |
750 | char *buffer; | |
751 | int buffer_allocated; | |
752 | char *bufptr; | |
753 | unsigned int nbytes_read = 0; | |
754 | ||
755 | /* Small for testing. */ | |
756 | buffer_allocated = 4; | |
757 | buffer = xmalloc (buffer_allocated); | |
758 | bufptr = buffer; | |
e17960fb JG |
759 | |
760 | origlen = len; | |
761 | ||
762 | while (len > 0) | |
763 | { | |
764 | tlen = MIN (len, 4 - (memaddr & 3)); | |
765 | offset = memaddr & 3; | |
766 | ||
47b8a5ce | 767 | errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0, NULL); |
4ad0021e | 768 | if (errcode != 0) |
47b8a5ce PS |
769 | { |
770 | /* The transfer request might have crossed the boundary to an | |
771 | unallocated region of memory. Retry the transfer, requesting | |
772 | a single byte. */ | |
773 | tlen = 1; | |
774 | offset = 0; | |
775 | errcode = target_xfer_memory (memaddr, buf, 1, 0, NULL); | |
776 | if (errcode != 0) | |
777 | goto done; | |
778 | } | |
4ad0021e JK |
779 | |
780 | if (bufptr - buffer + tlen > buffer_allocated) | |
781 | { | |
782 | unsigned int bytes; | |
783 | bytes = bufptr - buffer; | |
784 | buffer_allocated *= 2; | |
785 | buffer = xrealloc (buffer, buffer_allocated); | |
786 | bufptr = buffer + bytes; | |
787 | } | |
e17960fb JG |
788 | |
789 | for (i = 0; i < tlen; i++) | |
790 | { | |
4ad0021e | 791 | *bufptr++ = buf[i + offset]; |
e17960fb | 792 | if (buf[i + offset] == '\000') |
4ad0021e JK |
793 | { |
794 | nbytes_read += i + 1; | |
795 | goto done; | |
796 | } | |
e17960fb JG |
797 | } |
798 | ||
799 | memaddr += tlen; | |
800 | len -= tlen; | |
4ad0021e | 801 | nbytes_read += tlen; |
e17960fb | 802 | } |
4ad0021e JK |
803 | done: |
804 | if (errnop != NULL) | |
805 | *errnop = errcode; | |
806 | if (string != NULL) | |
807 | *string = buffer; | |
808 | return nbytes_read; | |
e17960fb JG |
809 | } |
810 | ||
49781499 JK |
811 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in |
812 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
813 | if any error occurs. | |
bd5635a1 | 814 | |
49781499 JK |
815 | If an error occurs, no guarantee is made about the contents of the data at |
816 | MYADDR. In particular, the caller should not depend upon partial reads | |
817 | filling the buffer with good data. There is no way for the caller to know | |
818 | how much good data might have been transfered anyway. Callers that can | |
819 | deal with partial reads should call target_read_memory_partial. */ | |
bd5635a1 RP |
820 | |
821 | int | |
822 | target_read_memory (memaddr, myaddr, len) | |
823 | CORE_ADDR memaddr; | |
824 | char *myaddr; | |
825 | int len; | |
826 | { | |
47b8a5ce PS |
827 | return target_xfer_memory (memaddr, myaddr, len, 0, NULL); |
828 | } | |
829 | ||
830 | int | |
831 | target_read_memory_section (memaddr, myaddr, len, bfd_section) | |
832 | CORE_ADDR memaddr; | |
833 | char *myaddr; | |
834 | int len; | |
835 | asection *bfd_section; | |
836 | { | |
837 | return target_xfer_memory (memaddr, myaddr, len, 0, bfd_section); | |
bd5635a1 RP |
838 | } |
839 | ||
49781499 JK |
840 | /* Read LEN bytes of target memory at address MEMADDR, placing the results |
841 | in GDB's memory at MYADDR. Returns a count of the bytes actually read, | |
842 | and optionally an errno value in the location pointed to by ERRNOPTR | |
843 | if ERRNOPTR is non-null. */ | |
844 | ||
845 | int | |
846 | target_read_memory_partial (memaddr, myaddr, len, errnoptr) | |
847 | CORE_ADDR memaddr; | |
848 | char *myaddr; | |
849 | int len; | |
850 | int *errnoptr; | |
851 | { | |
852 | int nread; /* Number of bytes actually read. */ | |
853 | int errcode; /* Error from last read. */ | |
854 | ||
855 | /* First try a complete read. */ | |
47b8a5ce | 856 | errcode = target_xfer_memory (memaddr, myaddr, len, 0, NULL); |
49781499 JK |
857 | if (errcode == 0) |
858 | { | |
859 | /* Got it all. */ | |
860 | nread = len; | |
861 | } | |
862 | else | |
863 | { | |
864 | /* Loop, reading one byte at a time until we get as much as we can. */ | |
865 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) | |
866 | { | |
47b8a5ce | 867 | errcode = target_xfer_memory (memaddr++, myaddr++, 1, 0, NULL); |
49781499 JK |
868 | } |
869 | /* If an error, the last read was unsuccessful, so adjust count. */ | |
870 | if (errcode != 0) | |
871 | { | |
872 | nread--; | |
873 | } | |
874 | } | |
875 | if (errnoptr != NULL) | |
876 | { | |
877 | *errnoptr = errcode; | |
878 | } | |
879 | return (nread); | |
880 | } | |
881 | ||
bd5635a1 RP |
882 | int |
883 | target_write_memory (memaddr, myaddr, len) | |
884 | CORE_ADDR memaddr; | |
885 | char *myaddr; | |
886 | int len; | |
887 | { | |
47b8a5ce | 888 | return target_xfer_memory (memaddr, myaddr, len, 1, NULL); |
bd5635a1 RP |
889 | } |
890 | ||
47b8a5ce PS |
891 | /* This variable is used to pass section information down to targets. This |
892 | *should* be done by adding an argument to the target_xfer_memory function | |
893 | of all the targets, but I didn't feel like changing 50+ files. */ | |
894 | ||
895 | asection *target_memory_bfd_section = NULL; | |
896 | ||
49781499 JK |
897 | /* Move memory to or from the targets. Iterate until all of it has |
898 | been moved, if necessary. The top target gets priority; anything | |
899 | it doesn't want, is offered to the next one down, etc. Note the | |
900 | business with curlen: if an early target says "no, but I have a | |
901 | boundary overlapping this xfer" then we shorten what we offer to | |
902 | the subsequent targets so the early guy will get a chance at the | |
903 | tail before the subsequent ones do. | |
904 | ||
905 | Result is 0 or errno value. */ | |
906 | ||
47b8a5ce PS |
907 | static int |
908 | target_xfer_memory (memaddr, myaddr, len, write, bfd_section) | |
bd5635a1 RP |
909 | CORE_ADDR memaddr; |
910 | char *myaddr; | |
911 | int len; | |
912 | int write; | |
47b8a5ce | 913 | asection *bfd_section; |
bd5635a1 RP |
914 | { |
915 | int curlen; | |
916 | int res; | |
917 | struct target_ops *t; | |
cad1498f | 918 | struct target_stack_item *item; |
49781499 | 919 | |
47b8a5ce PS |
920 | /* Zero length requests are ok and require no work. */ |
921 | if (len == 0) | |
922 | return 0; | |
923 | ||
924 | target_memory_bfd_section = bfd_section; | |
925 | ||
49781499 JK |
926 | /* to_xfer_memory is not guaranteed to set errno, even when it returns |
927 | 0. */ | |
928 | errno = 0; | |
929 | ||
bd5635a1 | 930 | /* The quick case is that the top target does it all. */ |
cad1498f SG |
931 | res = current_target.to_xfer_memory |
932 | (memaddr, myaddr, len, write, ¤t_target); | |
bd5635a1 RP |
933 | if (res == len) |
934 | return 0; | |
935 | ||
936 | if (res > 0) | |
937 | goto bump; | |
938 | /* If res <= 0 then we call it again in the loop. Ah well. */ | |
939 | ||
940 | for (; len > 0;) | |
941 | { | |
942 | curlen = len; /* Want to do it all */ | |
cad1498f | 943 | for (item = target_stack; item; item = item->next) |
bd5635a1 | 944 | { |
cad1498f | 945 | t = item->target_ops; |
a3ecbe7c SG |
946 | if (!t->to_has_memory) |
947 | continue; | |
cad1498f SG |
948 | |
949 | res = t->to_xfer_memory (memaddr, myaddr, curlen, write, t); | |
950 | if (res > 0) | |
951 | break; /* Handled all or part of xfer */ | |
952 | if (t->to_has_all_memory) | |
953 | break; | |
bd5635a1 | 954 | } |
cad1498f | 955 | |
bd5635a1 RP |
956 | if (res <= 0) |
957 | { | |
958 | /* If this address is for nonexistent memory, | |
959 | read zeros if reading, or do nothing if writing. Return error. */ | |
960 | if (!write) | |
a8e033f2 | 961 | memset (myaddr, 0, len); |
e17960fb JG |
962 | if (errno == 0) |
963 | return EIO; | |
964 | else | |
965 | return errno; | |
bd5635a1 RP |
966 | } |
967 | bump: | |
968 | memaddr += res; | |
969 | myaddr += res; | |
970 | len -= res; | |
971 | } | |
972 | return 0; /* We managed to cover it all somehow. */ | |
973 | } | |
974 | ||
975 | ||
e1ce8aa5 | 976 | /* ARGSUSED */ |
bd5635a1 RP |
977 | static void |
978 | target_info (args, from_tty) | |
979 | char *args; | |
980 | int from_tty; | |
981 | { | |
982 | struct target_ops *t; | |
cad1498f | 983 | struct target_stack_item *item; |
bd5635a1 RP |
984 | int has_all_mem = 0; |
985 | ||
80d68b1d | 986 | if (symfile_objfile != NULL) |
67ac9759 | 987 | printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name); |
bd5635a1 RP |
988 | |
989 | #ifdef FILES_INFO_HOOK | |
990 | if (FILES_INFO_HOOK ()) | |
991 | return; | |
992 | #endif | |
993 | ||
cad1498f | 994 | for (item = target_stack; item; item = item->next) |
bd5635a1 | 995 | { |
cad1498f SG |
996 | t = item->target_ops; |
997 | ||
a3ecbe7c SG |
998 | if (!t->to_has_memory) |
999 | continue; | |
1000 | ||
bd5635a1 RP |
1001 | if ((int)(t->to_stratum) <= (int)dummy_stratum) |
1002 | continue; | |
1003 | if (has_all_mem) | |
cad1498f | 1004 | printf_unfiltered("\tWhile running this, GDB does not access memory from...\n"); |
67ac9759 | 1005 | printf_unfiltered("%s:\n", t->to_longname); |
e17960fb | 1006 | (t->to_files_info)(t); |
bd5635a1 RP |
1007 | has_all_mem = t->to_has_all_memory; |
1008 | } | |
1009 | } | |
1010 | ||
f2fc6e7a JK |
1011 | /* This is to be called by the open routine before it does |
1012 | anything. */ | |
bd5635a1 | 1013 | |
f2fc6e7a JK |
1014 | void |
1015 | target_preopen (from_tty) | |
bd5635a1 RP |
1016 | int from_tty; |
1017 | { | |
bd5635a1 RP |
1018 | dont_repeat(); |
1019 | ||
bd5635a1 RP |
1020 | if (target_has_execution) |
1021 | { | |
1022 | if (query ("A program is being debugged already. Kill it? ")) | |
e17960fb | 1023 | target_kill (); |
bd5635a1 RP |
1024 | else |
1025 | error ("Program not killed."); | |
1026 | } | |
4ad0021e JK |
1027 | |
1028 | /* Calling target_kill may remove the target from the stack. But if | |
1029 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1030 | ||
1031 | if (target_has_execution) | |
1032 | pop_target (); | |
bd5635a1 RP |
1033 | } |
1034 | ||
49781499 JK |
1035 | /* Detach a target after doing deferred register stores. */ |
1036 | ||
1037 | void | |
1038 | target_detach (args, from_tty) | |
1039 | char *args; | |
1040 | int from_tty; | |
1041 | { | |
1042 | /* Handle any optimized stores to the inferior. */ | |
1043 | #ifdef DO_DEFERRED_STORES | |
1044 | DO_DEFERRED_STORES; | |
1045 | #endif | |
cad1498f | 1046 | (current_target.to_detach) (args, from_tty); |
49781499 JK |
1047 | } |
1048 | ||
1340861c KH |
1049 | void |
1050 | target_link (modname, t_reloc) | |
1051 | char *modname; | |
1052 | CORE_ADDR *t_reloc; | |
1053 | { | |
cad1498f | 1054 | if (STREQ(current_target.to_shortname, "rombug")) |
1340861c | 1055 | { |
cad1498f | 1056 | (current_target.to_lookup_symbol) (modname, t_reloc); |
16d2cc80 SS |
1057 | if (*t_reloc == 0) |
1058 | error("Unable to link to %s and get relocation in rombug", modname); | |
1340861c KH |
1059 | } |
1060 | else | |
1061 | *t_reloc = (CORE_ADDR)-1; | |
1062 | } | |
1063 | ||
597dc86b SG |
1064 | /* Look through the list of possible targets for a target that can |
1065 | execute a run or attach command without any other data. This is | |
1066 | used to locate the default process stratum. | |
1067 | ||
1068 | Result is always valid (error() is called for errors). */ | |
1069 | ||
1070 | static struct target_ops * | |
1071 | find_default_run_target (do_mesg) | |
1072 | char *do_mesg; | |
1073 | { | |
1074 | struct target_ops **t; | |
49781499 | 1075 | struct target_ops *runable = NULL; |
597dc86b SG |
1076 | int count; |
1077 | ||
1078 | count = 0; | |
1079 | ||
1080 | for (t = target_structs; t < target_structs + target_struct_size; | |
1081 | ++t) | |
1082 | { | |
43fc25c8 | 1083 | if ((*t)->to_can_run && target_can_run(*t)) |
597dc86b SG |
1084 | { |
1085 | runable = *t; | |
1086 | ++count; | |
1087 | } | |
1088 | } | |
1089 | ||
1090 | if (count != 1) | |
1091 | error ("Don't know how to %s. Try \"help target\".", do_mesg); | |
1092 | ||
1093 | return runable; | |
1094 | } | |
1095 | ||
1096 | void | |
1097 | find_default_attach (args, from_tty) | |
1098 | char *args; | |
1099 | int from_tty; | |
1100 | { | |
1101 | struct target_ops *t; | |
1102 | ||
1103 | t = find_default_run_target("attach"); | |
1104 | (t->to_attach) (args, from_tty); | |
1105 | return; | |
1106 | } | |
1107 | ||
4ef1f467 DT |
1108 | void |
1109 | find_default_require_attach (args, from_tty) | |
1110 | char *args; | |
1111 | int from_tty; | |
1112 | { | |
1113 | struct target_ops *t; | |
1114 | ||
1115 | t = find_default_run_target("require_attach"); | |
1116 | (t->to_require_attach) (args, from_tty); | |
1117 | return; | |
1118 | } | |
1119 | ||
1120 | void | |
1121 | find_default_require_detach (pid, args, from_tty) | |
1122 | int pid; | |
1123 | char * args; | |
1124 | int from_tty; | |
1125 | { | |
1126 | struct target_ops *t; | |
1127 | ||
1128 | t = find_default_run_target("require_detach"); | |
1129 | (t->to_require_detach) (pid, args, from_tty); | |
1130 | return; | |
1131 | } | |
1132 | ||
597dc86b SG |
1133 | void |
1134 | find_default_create_inferior (exec_file, allargs, env) | |
1135 | char *exec_file; | |
1136 | char *allargs; | |
1137 | char **env; | |
1138 | { | |
1139 | struct target_ops *t; | |
1140 | ||
1141 | t = find_default_run_target("run"); | |
1142 | (t->to_create_inferior) (exec_file, allargs, env); | |
1143 | return; | |
1144 | } | |
1145 | ||
4ef1f467 DT |
1146 | void |
1147 | find_default_clone_and_follow_inferior (child_pid, followed_child) | |
1148 | int child_pid; | |
1149 | int *followed_child; | |
1150 | { | |
1151 | struct target_ops *t; | |
1152 | ||
1153 | t = find_default_run_target("run"); | |
1154 | (t->to_clone_and_follow_inferior) (child_pid, followed_child); | |
1155 | return; | |
1156 | } | |
1157 | ||
597dc86b SG |
1158 | static int |
1159 | return_zero () | |
1160 | { | |
1161 | return 0; | |
1162 | } | |
1163 | ||
4ef1f467 DT |
1164 | static int |
1165 | return_one () | |
1166 | { | |
1167 | return 1; | |
1168 | } | |
1169 | ||
49781499 JK |
1170 | struct target_ops * |
1171 | find_core_target () | |
1172 | { | |
1173 | struct target_ops **t; | |
1174 | struct target_ops *runable = NULL; | |
1175 | int count; | |
1176 | ||
1177 | count = 0; | |
1178 | ||
1179 | for (t = target_structs; t < target_structs + target_struct_size; | |
1180 | ++t) | |
1181 | { | |
1182 | if ((*t)->to_stratum == core_stratum) | |
1183 | { | |
1184 | runable = *t; | |
1185 | ++count; | |
1186 | } | |
1187 | } | |
1188 | ||
1189 | return(count == 1 ? runable : NULL); | |
1190 | } | |
67ac9759 | 1191 | \f |
16d2cc80 SS |
1192 | /* The inferior process has died. Long live the inferior! */ |
1193 | ||
1194 | void | |
1195 | generic_mourn_inferior () | |
1196 | { | |
cad1498f SG |
1197 | extern int show_breakpoint_hit_counts; |
1198 | ||
16d2cc80 SS |
1199 | inferior_pid = 0; |
1200 | attach_flag = 0; | |
65b07ddc | 1201 | breakpoint_init_inferior (inf_exited); |
16d2cc80 SS |
1202 | registers_changed (); |
1203 | ||
1204 | #ifdef CLEAR_DEFERRED_STORES | |
1205 | /* Delete any pending stores to the inferior... */ | |
1206 | CLEAR_DEFERRED_STORES; | |
1207 | #endif | |
1208 | ||
1209 | reopen_exec_file (); | |
1210 | reinit_frame_cache (); | |
1211 | ||
1212 | /* It is confusing to the user for ignore counts to stick around | |
1213 | from previous runs of the inferior. So clear them. */ | |
cad1498f SG |
1214 | /* However, it is more confusing for the ignore counts to disappear when |
1215 | using hit counts. So don't clear them if we're counting hits. */ | |
1216 | if (!show_breakpoint_hit_counts) | |
1217 | breakpoint_clear_ignore_counts (); | |
16d2cc80 SS |
1218 | } |
1219 | \f | |
67ac9759 JK |
1220 | /* This table must match in order and size the signals in enum target_signal |
1221 | in target.h. */ | |
1222 | static struct { | |
1223 | char *name; | |
1224 | char *string; | |
1225 | } signals [] = | |
1226 | { | |
1227 | {"0", "Signal 0"}, | |
1228 | {"SIGHUP", "Hangup"}, | |
1229 | {"SIGINT", "Interrupt"}, | |
1230 | {"SIGQUIT", "Quit"}, | |
1231 | {"SIGILL", "Illegal instruction"}, | |
1232 | {"SIGTRAP", "Trace/breakpoint trap"}, | |
1233 | {"SIGABRT", "Aborted"}, | |
1234 | {"SIGEMT", "Emulation trap"}, | |
1235 | {"SIGFPE", "Arithmetic exception"}, | |
1236 | {"SIGKILL", "Killed"}, | |
1237 | {"SIGBUS", "Bus error"}, | |
1238 | {"SIGSEGV", "Segmentation fault"}, | |
1239 | {"SIGSYS", "Bad system call"}, | |
1240 | {"SIGPIPE", "Broken pipe"}, | |
1241 | {"SIGALRM", "Alarm clock"}, | |
1242 | {"SIGTERM", "Terminated"}, | |
1243 | {"SIGURG", "Urgent I/O condition"}, | |
1244 | {"SIGSTOP", "Stopped (signal)"}, | |
1245 | {"SIGTSTP", "Stopped (user)"}, | |
1246 | {"SIGCONT", "Continued"}, | |
1247 | {"SIGCHLD", "Child status changed"}, | |
1248 | {"SIGTTIN", "Stopped (tty input)"}, | |
1249 | {"SIGTTOU", "Stopped (tty output)"}, | |
1250 | {"SIGIO", "I/O possible"}, | |
1251 | {"SIGXCPU", "CPU time limit exceeded"}, | |
1252 | {"SIGXFSZ", "File size limit exceeded"}, | |
1253 | {"SIGVTALRM", "Virtual timer expired"}, | |
1254 | {"SIGPROF", "Profiling timer expired"}, | |
1255 | {"SIGWINCH", "Window size changed"}, | |
1256 | {"SIGLOST", "Resource lost"}, | |
1257 | {"SIGUSR1", "User defined signal 1"}, | |
1258 | {"SIGUSR2", "User defined signal 2"}, | |
1259 | {"SIGPWR", "Power fail/restart"}, | |
1260 | {"SIGPOLL", "Pollable event occurred"}, | |
1261 | {"SIGWIND", "SIGWIND"}, | |
1262 | {"SIGPHONE", "SIGPHONE"}, | |
1263 | {"SIGWAITING", "Process's LWPs are blocked"}, | |
1264 | {"SIGLWP", "Signal LWP"}, | |
1265 | {"SIGDANGER", "Swap space dangerously low"}, | |
1266 | {"SIGGRANT", "Monitor mode granted"}, | |
4ef1f467 | 1267 | {"SIGRETRACT", "Need to relinquish monitor mode"}, |
67ac9759 JK |
1268 | {"SIGMSG", "Monitor mode data available"}, |
1269 | {"SIGSOUND", "Sound completed"}, | |
1270 | {"SIGSAK", "Secure attention"}, | |
43fc25c8 JL |
1271 | {"SIGPRIO", "SIGPRIO"}, |
1272 | {"SIG33", "Real-time event 33"}, | |
1273 | {"SIG34", "Real-time event 34"}, | |
1274 | {"SIG35", "Real-time event 35"}, | |
1275 | {"SIG36", "Real-time event 36"}, | |
1276 | {"SIG37", "Real-time event 37"}, | |
1277 | {"SIG38", "Real-time event 38"}, | |
1278 | {"SIG39", "Real-time event 39"}, | |
1279 | {"SIG40", "Real-time event 40"}, | |
1280 | {"SIG41", "Real-time event 41"}, | |
1281 | {"SIG42", "Real-time event 42"}, | |
1282 | {"SIG43", "Real-time event 43"}, | |
1283 | {"SIG44", "Real-time event 44"}, | |
1284 | {"SIG45", "Real-time event 45"}, | |
1285 | {"SIG46", "Real-time event 46"}, | |
1286 | {"SIG47", "Real-time event 47"}, | |
1287 | {"SIG48", "Real-time event 48"}, | |
1288 | {"SIG49", "Real-time event 49"}, | |
1289 | {"SIG50", "Real-time event 50"}, | |
1290 | {"SIG51", "Real-time event 51"}, | |
1291 | {"SIG52", "Real-time event 52"}, | |
1292 | {"SIG53", "Real-time event 53"}, | |
1293 | {"SIG54", "Real-time event 54"}, | |
1294 | {"SIG55", "Real-time event 55"}, | |
1295 | {"SIG56", "Real-time event 56"}, | |
1296 | {"SIG57", "Real-time event 57"}, | |
1297 | {"SIG58", "Real-time event 58"}, | |
1298 | {"SIG59", "Real-time event 59"}, | |
1299 | {"SIG60", "Real-time event 60"}, | |
1300 | {"SIG61", "Real-time event 61"}, | |
1301 | {"SIG62", "Real-time event 62"}, | |
1302 | {"SIG63", "Real-time event 63"}, | |
1303 | ||
47b8a5ce | 1304 | #if defined(MACH) || defined(__MACH__) |
647e52ea SG |
1305 | /* Mach exceptions */ |
1306 | {"EXC_BAD_ACCESS", "Could not access memory"}, | |
1307 | {"EXC_BAD_INSTRUCTION", "Illegal instruction/operand"}, | |
1308 | {"EXC_ARITHMETIC", "Arithmetic exception"}, | |
1309 | {"EXC_EMULATION", "Emulation instruction"}, | |
1310 | {"EXC_SOFTWARE", "Software generated exception"}, | |
1311 | {"EXC_BREAKPOINT", "Breakpoint"}, | |
47b8a5ce | 1312 | #endif |
67ac9759 | 1313 | {NULL, "Unknown signal"}, |
4ad0021e JK |
1314 | {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"}, |
1315 | ||
67ac9759 JK |
1316 | /* Last entry, used to check whether the table is the right size. */ |
1317 | {NULL, "TARGET_SIGNAL_MAGIC"} | |
1318 | }; | |
1319 | ||
1320 | /* Return the string for a signal. */ | |
1321 | char * | |
1322 | target_signal_to_string (sig) | |
1323 | enum target_signal sig; | |
1324 | { | |
1325 | return signals[sig].string; | |
1326 | } | |
1327 | ||
1328 | /* Return the name for a signal. */ | |
1329 | char * | |
1330 | target_signal_to_name (sig) | |
1331 | enum target_signal sig; | |
1332 | { | |
1333 | if (sig == TARGET_SIGNAL_UNKNOWN) | |
1334 | /* I think the code which prints this will always print it along with | |
1335 | the string, so no need to be verbose. */ | |
1336 | return "?"; | |
1337 | return signals[sig].name; | |
1338 | } | |
1339 | ||
1340 | /* Given a name, return its signal. */ | |
1341 | enum target_signal | |
1342 | target_signal_from_name (name) | |
1343 | char *name; | |
1344 | { | |
1345 | enum target_signal sig; | |
1346 | ||
1347 | /* It's possible we also should allow "SIGCLD" as well as "SIGCHLD" | |
1348 | for TARGET_SIGNAL_SIGCHLD. SIGIOT, on the other hand, is more | |
1349 | questionable; seems like by now people should call it SIGABRT | |
1350 | instead. */ | |
1351 | ||
4ad0021e JK |
1352 | /* This ugly cast brought to you by the native VAX compiler. */ |
1353 | for (sig = TARGET_SIGNAL_HUP; | |
1354 | signals[sig].name != NULL; | |
1355 | sig = (enum target_signal)((int)sig + 1)) | |
67ac9759 JK |
1356 | if (STREQ (name, signals[sig].name)) |
1357 | return sig; | |
1358 | return TARGET_SIGNAL_UNKNOWN; | |
1359 | } | |
4ad0021e JK |
1360 | \f |
1361 | /* The following functions are to help certain targets deal | |
1362 | with the signal/waitstatus stuff. They could just as well be in | |
1363 | a file called native-utils.c or unixwaitstatus-utils.c or whatever. */ | |
1364 | ||
1365 | /* Convert host signal to our signals. */ | |
1366 | enum target_signal | |
1367 | target_signal_from_host (hostsig) | |
1368 | int hostsig; | |
1369 | { | |
1370 | /* A switch statement would make sense but would require special kludges | |
1371 | to deal with the cases where more than one signal has the same number. */ | |
1372 | ||
1373 | if (hostsig == 0) return TARGET_SIGNAL_0; | |
1374 | ||
1375 | #if defined (SIGHUP) | |
1376 | if (hostsig == SIGHUP) return TARGET_SIGNAL_HUP; | |
1377 | #endif | |
1378 | #if defined (SIGINT) | |
1379 | if (hostsig == SIGINT) return TARGET_SIGNAL_INT; | |
1380 | #endif | |
1381 | #if defined (SIGQUIT) | |
1382 | if (hostsig == SIGQUIT) return TARGET_SIGNAL_QUIT; | |
1383 | #endif | |
1384 | #if defined (SIGILL) | |
1385 | if (hostsig == SIGILL) return TARGET_SIGNAL_ILL; | |
1386 | #endif | |
1387 | #if defined (SIGTRAP) | |
1388 | if (hostsig == SIGTRAP) return TARGET_SIGNAL_TRAP; | |
1389 | #endif | |
1390 | #if defined (SIGABRT) | |
1391 | if (hostsig == SIGABRT) return TARGET_SIGNAL_ABRT; | |
1392 | #endif | |
1393 | #if defined (SIGEMT) | |
1394 | if (hostsig == SIGEMT) return TARGET_SIGNAL_EMT; | |
1395 | #endif | |
1396 | #if defined (SIGFPE) | |
1397 | if (hostsig == SIGFPE) return TARGET_SIGNAL_FPE; | |
1398 | #endif | |
1399 | #if defined (SIGKILL) | |
1400 | if (hostsig == SIGKILL) return TARGET_SIGNAL_KILL; | |
1401 | #endif | |
1402 | #if defined (SIGBUS) | |
1403 | if (hostsig == SIGBUS) return TARGET_SIGNAL_BUS; | |
1404 | #endif | |
1405 | #if defined (SIGSEGV) | |
1406 | if (hostsig == SIGSEGV) return TARGET_SIGNAL_SEGV; | |
1407 | #endif | |
1408 | #if defined (SIGSYS) | |
1409 | if (hostsig == SIGSYS) return TARGET_SIGNAL_SYS; | |
1410 | #endif | |
1411 | #if defined (SIGPIPE) | |
1412 | if (hostsig == SIGPIPE) return TARGET_SIGNAL_PIPE; | |
1413 | #endif | |
1414 | #if defined (SIGALRM) | |
1415 | if (hostsig == SIGALRM) return TARGET_SIGNAL_ALRM; | |
1416 | #endif | |
1417 | #if defined (SIGTERM) | |
1418 | if (hostsig == SIGTERM) return TARGET_SIGNAL_TERM; | |
1419 | #endif | |
1420 | #if defined (SIGUSR1) | |
1421 | if (hostsig == SIGUSR1) return TARGET_SIGNAL_USR1; | |
1422 | #endif | |
1423 | #if defined (SIGUSR2) | |
1424 | if (hostsig == SIGUSR2) return TARGET_SIGNAL_USR2; | |
1425 | #endif | |
1426 | #if defined (SIGCLD) | |
1427 | if (hostsig == SIGCLD) return TARGET_SIGNAL_CHLD; | |
1428 | #endif | |
1429 | #if defined (SIGCHLD) | |
1430 | if (hostsig == SIGCHLD) return TARGET_SIGNAL_CHLD; | |
1431 | #endif | |
1432 | #if defined (SIGPWR) | |
1433 | if (hostsig == SIGPWR) return TARGET_SIGNAL_PWR; | |
1434 | #endif | |
1435 | #if defined (SIGWINCH) | |
1436 | if (hostsig == SIGWINCH) return TARGET_SIGNAL_WINCH; | |
1437 | #endif | |
1438 | #if defined (SIGURG) | |
1439 | if (hostsig == SIGURG) return TARGET_SIGNAL_URG; | |
1440 | #endif | |
1441 | #if defined (SIGIO) | |
1442 | if (hostsig == SIGIO) return TARGET_SIGNAL_IO; | |
1443 | #endif | |
1444 | #if defined (SIGPOLL) | |
1445 | if (hostsig == SIGPOLL) return TARGET_SIGNAL_POLL; | |
1446 | #endif | |
1447 | #if defined (SIGSTOP) | |
1448 | if (hostsig == SIGSTOP) return TARGET_SIGNAL_STOP; | |
1449 | #endif | |
1450 | #if defined (SIGTSTP) | |
1451 | if (hostsig == SIGTSTP) return TARGET_SIGNAL_TSTP; | |
1452 | #endif | |
1453 | #if defined (SIGCONT) | |
1454 | if (hostsig == SIGCONT) return TARGET_SIGNAL_CONT; | |
1455 | #endif | |
1456 | #if defined (SIGTTIN) | |
1457 | if (hostsig == SIGTTIN) return TARGET_SIGNAL_TTIN; | |
1458 | #endif | |
1459 | #if defined (SIGTTOU) | |
1460 | if (hostsig == SIGTTOU) return TARGET_SIGNAL_TTOU; | |
1461 | #endif | |
1462 | #if defined (SIGVTALRM) | |
1463 | if (hostsig == SIGVTALRM) return TARGET_SIGNAL_VTALRM; | |
1464 | #endif | |
1465 | #if defined (SIGPROF) | |
1466 | if (hostsig == SIGPROF) return TARGET_SIGNAL_PROF; | |
1467 | #endif | |
1468 | #if defined (SIGXCPU) | |
1469 | if (hostsig == SIGXCPU) return TARGET_SIGNAL_XCPU; | |
1470 | #endif | |
1471 | #if defined (SIGXFSZ) | |
1472 | if (hostsig == SIGXFSZ) return TARGET_SIGNAL_XFSZ; | |
1473 | #endif | |
1474 | #if defined (SIGWIND) | |
1475 | if (hostsig == SIGWIND) return TARGET_SIGNAL_WIND; | |
1476 | #endif | |
1477 | #if defined (SIGPHONE) | |
1478 | if (hostsig == SIGPHONE) return TARGET_SIGNAL_PHONE; | |
1479 | #endif | |
1480 | #if defined (SIGLOST) | |
1481 | if (hostsig == SIGLOST) return TARGET_SIGNAL_LOST; | |
1482 | #endif | |
1483 | #if defined (SIGWAITING) | |
1484 | if (hostsig == SIGWAITING) return TARGET_SIGNAL_WAITING; | |
1485 | #endif | |
1486 | #if defined (SIGLWP) | |
1487 | if (hostsig == SIGLWP) return TARGET_SIGNAL_LWP; | |
1488 | #endif | |
1489 | #if defined (SIGDANGER) | |
1490 | if (hostsig == SIGDANGER) return TARGET_SIGNAL_DANGER; | |
1491 | #endif | |
1492 | #if defined (SIGGRANT) | |
1493 | if (hostsig == SIGGRANT) return TARGET_SIGNAL_GRANT; | |
1494 | #endif | |
1495 | #if defined (SIGRETRACT) | |
1496 | if (hostsig == SIGRETRACT) return TARGET_SIGNAL_RETRACT; | |
1497 | #endif | |
1498 | #if defined (SIGMSG) | |
1499 | if (hostsig == SIGMSG) return TARGET_SIGNAL_MSG; | |
1500 | #endif | |
1501 | #if defined (SIGSOUND) | |
1502 | if (hostsig == SIGSOUND) return TARGET_SIGNAL_SOUND; | |
1503 | #endif | |
1504 | #if defined (SIGSAK) | |
1505 | if (hostsig == SIGSAK) return TARGET_SIGNAL_SAK; | |
43fc25c8 JL |
1506 | #endif |
1507 | #if defined (SIGPRIO) | |
1508 | if (hostsig == SIGPRIO) return TARGET_SIGNAL_PRIO; | |
1509 | #endif | |
647e52ea SG |
1510 | |
1511 | /* Mach exceptions. Assumes that the values for EXC_ are positive! */ | |
1512 | #if defined (EXC_BAD_ACCESS) && defined (_NSIG) | |
1513 | if (hostsig == _NSIG + EXC_BAD_ACCESS) return TARGET_EXC_BAD_ACCESS; | |
1514 | #endif | |
1515 | #if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG) | |
1516 | if (hostsig == _NSIG + EXC_BAD_INSTRUCTION) return TARGET_EXC_BAD_INSTRUCTION; | |
1517 | #endif | |
1518 | #if defined (EXC_ARITHMETIC) && defined (_NSIG) | |
1519 | if (hostsig == _NSIG + EXC_ARITHMETIC) return TARGET_EXC_ARITHMETIC; | |
1520 | #endif | |
1521 | #if defined (EXC_EMULATION) && defined (_NSIG) | |
1522 | if (hostsig == _NSIG + EXC_EMULATION) return TARGET_EXC_EMULATION; | |
1523 | #endif | |
1524 | #if defined (EXC_SOFTWARE) && defined (_NSIG) | |
1525 | if (hostsig == _NSIG + EXC_SOFTWARE) return TARGET_EXC_SOFTWARE; | |
1526 | #endif | |
1527 | #if defined (EXC_BREAKPOINT) && defined (_NSIG) | |
1528 | if (hostsig == _NSIG + EXC_BREAKPOINT) return TARGET_EXC_BREAKPOINT; | |
1529 | #endif | |
1530 | ||
43fc25c8 JL |
1531 | #if defined (REALTIME_LO) |
1532 | if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI) | |
1533 | return (enum target_signal) | |
1534 | (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33); | |
4ad0021e JK |
1535 | #endif |
1536 | return TARGET_SIGNAL_UNKNOWN; | |
1537 | } | |
1538 | ||
1539 | int | |
1540 | target_signal_to_host (oursig) | |
1541 | enum target_signal oursig; | |
1542 | { | |
1543 | switch (oursig) | |
1544 | { | |
1545 | case TARGET_SIGNAL_0: return 0; | |
1546 | ||
1547 | #if defined (SIGHUP) | |
1548 | case TARGET_SIGNAL_HUP: return SIGHUP; | |
1549 | #endif | |
1550 | #if defined (SIGINT) | |
1551 | case TARGET_SIGNAL_INT: return SIGINT; | |
1552 | #endif | |
1553 | #if defined (SIGQUIT) | |
1554 | case TARGET_SIGNAL_QUIT: return SIGQUIT; | |
1555 | #endif | |
1556 | #if defined (SIGILL) | |
1557 | case TARGET_SIGNAL_ILL: return SIGILL; | |
1558 | #endif | |
1559 | #if defined (SIGTRAP) | |
1560 | case TARGET_SIGNAL_TRAP: return SIGTRAP; | |
1561 | #endif | |
1562 | #if defined (SIGABRT) | |
1563 | case TARGET_SIGNAL_ABRT: return SIGABRT; | |
1564 | #endif | |
1565 | #if defined (SIGEMT) | |
1566 | case TARGET_SIGNAL_EMT: return SIGEMT; | |
1567 | #endif | |
1568 | #if defined (SIGFPE) | |
1569 | case TARGET_SIGNAL_FPE: return SIGFPE; | |
1570 | #endif | |
1571 | #if defined (SIGKILL) | |
1572 | case TARGET_SIGNAL_KILL: return SIGKILL; | |
1573 | #endif | |
1574 | #if defined (SIGBUS) | |
1575 | case TARGET_SIGNAL_BUS: return SIGBUS; | |
1576 | #endif | |
1577 | #if defined (SIGSEGV) | |
1578 | case TARGET_SIGNAL_SEGV: return SIGSEGV; | |
1579 | #endif | |
1580 | #if defined (SIGSYS) | |
1581 | case TARGET_SIGNAL_SYS: return SIGSYS; | |
1582 | #endif | |
1583 | #if defined (SIGPIPE) | |
1584 | case TARGET_SIGNAL_PIPE: return SIGPIPE; | |
1585 | #endif | |
1586 | #if defined (SIGALRM) | |
1587 | case TARGET_SIGNAL_ALRM: return SIGALRM; | |
1588 | #endif | |
1589 | #if defined (SIGTERM) | |
1590 | case TARGET_SIGNAL_TERM: return SIGTERM; | |
1591 | #endif | |
1592 | #if defined (SIGUSR1) | |
1593 | case TARGET_SIGNAL_USR1: return SIGUSR1; | |
1594 | #endif | |
1595 | #if defined (SIGUSR2) | |
1596 | case TARGET_SIGNAL_USR2: return SIGUSR2; | |
1597 | #endif | |
1598 | #if defined (SIGCHLD) || defined (SIGCLD) | |
1599 | case TARGET_SIGNAL_CHLD: | |
1600 | #if defined (SIGCHLD) | |
1601 | return SIGCHLD; | |
1602 | #else | |
1603 | return SIGCLD; | |
1604 | #endif | |
1605 | #endif /* SIGCLD or SIGCHLD */ | |
1606 | #if defined (SIGPWR) | |
1607 | case TARGET_SIGNAL_PWR: return SIGPWR; | |
1608 | #endif | |
1609 | #if defined (SIGWINCH) | |
1610 | case TARGET_SIGNAL_WINCH: return SIGWINCH; | |
1611 | #endif | |
1612 | #if defined (SIGURG) | |
1613 | case TARGET_SIGNAL_URG: return SIGURG; | |
1614 | #endif | |
1615 | #if defined (SIGIO) | |
1616 | case TARGET_SIGNAL_IO: return SIGIO; | |
1617 | #endif | |
1618 | #if defined (SIGPOLL) | |
1619 | case TARGET_SIGNAL_POLL: return SIGPOLL; | |
1620 | #endif | |
1621 | #if defined (SIGSTOP) | |
1622 | case TARGET_SIGNAL_STOP: return SIGSTOP; | |
1623 | #endif | |
1624 | #if defined (SIGTSTP) | |
1625 | case TARGET_SIGNAL_TSTP: return SIGTSTP; | |
1626 | #endif | |
1627 | #if defined (SIGCONT) | |
1628 | case TARGET_SIGNAL_CONT: return SIGCONT; | |
1629 | #endif | |
1630 | #if defined (SIGTTIN) | |
1631 | case TARGET_SIGNAL_TTIN: return SIGTTIN; | |
1632 | #endif | |
1633 | #if defined (SIGTTOU) | |
1634 | case TARGET_SIGNAL_TTOU: return SIGTTOU; | |
1635 | #endif | |
1636 | #if defined (SIGVTALRM) | |
1637 | case TARGET_SIGNAL_VTALRM: return SIGVTALRM; | |
1638 | #endif | |
1639 | #if defined (SIGPROF) | |
1640 | case TARGET_SIGNAL_PROF: return SIGPROF; | |
1641 | #endif | |
1642 | #if defined (SIGXCPU) | |
1643 | case TARGET_SIGNAL_XCPU: return SIGXCPU; | |
1644 | #endif | |
1645 | #if defined (SIGXFSZ) | |
1646 | case TARGET_SIGNAL_XFSZ: return SIGXFSZ; | |
1647 | #endif | |
1648 | #if defined (SIGWIND) | |
1649 | case TARGET_SIGNAL_WIND: return SIGWIND; | |
1650 | #endif | |
1651 | #if defined (SIGPHONE) | |
1652 | case TARGET_SIGNAL_PHONE: return SIGPHONE; | |
1653 | #endif | |
1654 | #if defined (SIGLOST) | |
1655 | case TARGET_SIGNAL_LOST: return SIGLOST; | |
1656 | #endif | |
1657 | #if defined (SIGWAITING) | |
1658 | case TARGET_SIGNAL_WAITING: return SIGWAITING; | |
1659 | #endif | |
1660 | #if defined (SIGLWP) | |
1661 | case TARGET_SIGNAL_LWP: return SIGLWP; | |
1662 | #endif | |
1663 | #if defined (SIGDANGER) | |
1664 | case TARGET_SIGNAL_DANGER: return SIGDANGER; | |
1665 | #endif | |
1666 | #if defined (SIGGRANT) | |
1667 | case TARGET_SIGNAL_GRANT: return SIGGRANT; | |
1668 | #endif | |
1669 | #if defined (SIGRETRACT) | |
1670 | case TARGET_SIGNAL_RETRACT: return SIGRETRACT; | |
1671 | #endif | |
1672 | #if defined (SIGMSG) | |
1673 | case TARGET_SIGNAL_MSG: return SIGMSG; | |
1674 | #endif | |
1675 | #if defined (SIGSOUND) | |
1676 | case TARGET_SIGNAL_SOUND: return SIGSOUND; | |
1677 | #endif | |
1678 | #if defined (SIGSAK) | |
1679 | case TARGET_SIGNAL_SAK: return SIGSAK; | |
43fc25c8 JL |
1680 | #endif |
1681 | #if defined (SIGPRIO) | |
1682 | case TARGET_SIGNAL_PRIO: return SIGPRIO; | |
4ad0021e | 1683 | #endif |
647e52ea SG |
1684 | |
1685 | /* Mach exceptions. Assumes that the values for EXC_ are positive! */ | |
1686 | #if defined (EXC_BAD_ACCESS) && defined (_NSIG) | |
1687 | case TARGET_EXC_BAD_ACCESS: return _NSIG + EXC_BAD_ACCESS; | |
1688 | #endif | |
1689 | #if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG) | |
1690 | case TARGET_EXC_BAD_INSTRUCTION: return _NSIG + EXC_BAD_INSTRUCTION; | |
1691 | #endif | |
1692 | #if defined (EXC_ARITHMETIC) && defined (_NSIG) | |
1693 | case TARGET_EXC_ARITHMETIC: return _NSIG + EXC_ARITHMETIC; | |
1694 | #endif | |
1695 | #if defined (EXC_EMULATION) && defined (_NSIG) | |
1696 | case TARGET_EXC_EMULATION: return _NSIG + EXC_EMULATION; | |
1697 | #endif | |
1698 | #if defined (EXC_SOFTWARE) && defined (_NSIG) | |
1699 | case TARGET_EXC_SOFTWARE: return _NSIG + EXC_SOFTWARE; | |
1700 | #endif | |
1701 | #if defined (EXC_BREAKPOINT) && defined (_NSIG) | |
1702 | case TARGET_EXC_BREAKPOINT: return _NSIG + EXC_BREAKPOINT; | |
1703 | #endif | |
1704 | ||
4ad0021e | 1705 | default: |
43fc25c8 JL |
1706 | #if defined (REALTIME_LO) |
1707 | if (oursig >= TARGET_SIGNAL_REALTIME_33 | |
1708 | && oursig <= TARGET_SIGNAL_REALTIME_63) | |
1709 | { | |
1710 | int retsig = | |
1711 | (int)oursig - (int)TARGET_SIGNAL_REALTIME_33 + REALTIME_LO; | |
1712 | if (retsig < REALTIME_HI) | |
1713 | return retsig; | |
1714 | } | |
1715 | #endif | |
4ad0021e JK |
1716 | /* The user might be trying to do "signal SIGSAK" where this system |
1717 | doesn't have SIGSAK. */ | |
1718 | warning ("Signal %s does not exist on this system.\n", | |
1719 | target_signal_to_name (oursig)); | |
1720 | return 0; | |
1721 | } | |
1722 | } | |
1723 | ||
1724 | /* Helper function for child_wait and the Lynx derivatives of child_wait. | |
1725 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1726 | translation of that in OURSTATUS. */ | |
1727 | void | |
1728 | store_waitstatus (ourstatus, hoststatus) | |
1729 | struct target_waitstatus *ourstatus; | |
1730 | int hoststatus; | |
1731 | { | |
1732 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1733 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1734 | if it wants to deal with hoststatus. */ | |
1735 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1736 | return; | |
1737 | #endif | |
1738 | ||
1739 | if (WIFEXITED (hoststatus)) | |
1740 | { | |
1741 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1742 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1743 | } | |
1744 | else if (!WIFSTOPPED (hoststatus)) | |
1745 | { | |
1746 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1747 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1748 | } | |
1749 | else | |
1750 | { | |
1751 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1752 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1753 | } | |
1754 | } | |
43fc25c8 JL |
1755 | \f |
1756 | /* In some circumstances we allow a command to specify a numeric | |
1757 | signal. The idea is to keep these circumstances limited so that | |
1758 | users (and scripts) develop portable habits. For comparison, | |
1759 | POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a | |
1760 | numeric signal at all is obscelescent. We are slightly more | |
1761 | lenient and allow 1-15 which should match host signal numbers on | |
1762 | most systems. Use of symbolic signal names is strongly encouraged. */ | |
4ad0021e | 1763 | |
43fc25c8 JL |
1764 | enum target_signal |
1765 | target_signal_from_command (num) | |
1766 | int num; | |
1767 | { | |
1768 | if (num >= 1 && num <= 15) | |
1769 | return (enum target_signal)num; | |
1770 | error ("Only signals 1-15 are valid as numeric signals.\n\ | |
1771 | Use \"info signals\" for a list of symbolic signals."); | |
1772 | } | |
cad1498f SG |
1773 | \f |
1774 | /* Returns zero to leave the inferior alone, one to interrupt it. */ | |
1775 | int (*target_activity_function) PARAMS ((void)); | |
1776 | int target_activity_fd; | |
67ac9759 | 1777 | \f |
49781499 JK |
1778 | /* Convert a normal process ID to a string. Returns the string in a static |
1779 | buffer. */ | |
1780 | ||
1781 | char * | |
1782 | normal_pid_to_str (pid) | |
1783 | int pid; | |
1784 | { | |
1785 | static char buf[30]; | |
1786 | ||
43fc25c8 | 1787 | if (STREQ (current_target.to_shortname, "remote")) |
4ef1f467 | 1788 | sprintf (buf, "thread %d\0", pid); |
43fc25c8 | 1789 | else |
4ef1f467 | 1790 | sprintf (buf, "process %d\0", pid); |
49781499 JK |
1791 | |
1792 | return buf; | |
1793 | } | |
4ef1f467 DT |
1794 | |
1795 | /* Some targets (such as ttrace-based HPUX) don't allow us to request | |
1796 | notification of inferior events such as fork and vork immediately | |
1797 | after the inferior is created. (This because of how gdb gets an | |
1798 | inferior created via invoking a shell to do it. In such a scenario, | |
1799 | if the shell init file has commands in it, the shell will fork and | |
1800 | exec for each of those commands, and we will see each such fork | |
1801 | event. Very bad.) | |
1802 | ||
1803 | This function is used by all targets that allow us to request | |
1804 | notification of forks, etc at inferior creation time; e.g., in | |
1805 | target_acknowledge_forked_child. | |
1806 | */ | |
1807 | void | |
1808 | normal_target_post_startup_inferior (pid) | |
1809 | int pid; | |
1810 | { | |
1811 | /* This space intentionally left blank. */ | |
1812 | } | |
1813 | ||
67ac9759 | 1814 | \f |
43fc25c8 JL |
1815 | #ifdef MAINTENANCE_CMDS |
1816 | static struct target_ops debug_target; | |
1817 | ||
1818 | static void | |
1819 | debug_to_open (args, from_tty) | |
1820 | char *args; | |
1821 | int from_tty; | |
1822 | { | |
1823 | debug_target.to_open (args, from_tty); | |
1824 | ||
4ef1f467 | 1825 | fprintf_unfiltered (gdb_stderr, "target_open (%s, %d)\n", args, from_tty); |
43fc25c8 JL |
1826 | } |
1827 | ||
1828 | static void | |
1829 | debug_to_close (quitting) | |
1830 | int quitting; | |
1831 | { | |
1832 | debug_target.to_close (quitting); | |
1833 | ||
4ef1f467 | 1834 | fprintf_unfiltered (gdb_stderr, "target_close (%d)\n", quitting); |
43fc25c8 JL |
1835 | } |
1836 | ||
1837 | static void | |
1838 | debug_to_attach (args, from_tty) | |
1839 | char *args; | |
1840 | int from_tty; | |
1841 | { | |
1842 | debug_target.to_attach (args, from_tty); | |
1843 | ||
4ef1f467 DT |
1844 | fprintf_unfiltered (gdb_stderr, "target_attach (%s, %d)\n", args, from_tty); |
1845 | } | |
1846 | ||
1847 | ||
1848 | static void | |
1849 | debug_to_post_attach (pid) | |
1850 | int pid; | |
1851 | { | |
1852 | debug_target.to_post_attach (pid); | |
1853 | ||
1854 | fprintf_unfiltered (gdb_stderr, "target_post_attach (%d)\n", pid); | |
1855 | } | |
1856 | ||
1857 | static void | |
1858 | debug_to_require_attach (args, from_tty) | |
1859 | char *args; | |
1860 | int from_tty; | |
1861 | { | |
1862 | debug_target.to_require_attach (args, from_tty); | |
1863 | ||
1864 | fprintf_unfiltered (gdb_stderr, | |
1865 | "target_require_attach (%s, %d)\n", args, from_tty); | |
43fc25c8 JL |
1866 | } |
1867 | ||
1868 | static void | |
1869 | debug_to_detach (args, from_tty) | |
1870 | char *args; | |
1871 | int from_tty; | |
1872 | { | |
1873 | debug_target.to_detach (args, from_tty); | |
1874 | ||
4ef1f467 DT |
1875 | fprintf_unfiltered (gdb_stderr, "target_detach (%s, %d)\n", args, from_tty); |
1876 | } | |
1877 | ||
1878 | static void | |
1879 | debug_to_require_detach (pid, args, from_tty) | |
1880 | int pid; | |
1881 | char * args; | |
1882 | int from_tty; | |
1883 | { | |
1884 | debug_target.to_require_detach (pid, args, from_tty); | |
1885 | ||
1886 | fprintf_unfiltered (gdb_stderr, | |
1887 | "target_require_detach (%d, %s, %d)\n", pid, args, from_tty); | |
43fc25c8 JL |
1888 | } |
1889 | ||
1890 | static void | |
1891 | debug_to_resume (pid, step, siggnal) | |
1892 | int pid; | |
1893 | int step; | |
1894 | enum target_signal siggnal; | |
1895 | { | |
1896 | debug_target.to_resume (pid, step, siggnal); | |
1897 | ||
4ef1f467 | 1898 | fprintf_unfiltered (gdb_stderr, "target_resume (%d, %s, %s)\n", pid, |
43fc25c8 JL |
1899 | step ? "step" : "continue", |
1900 | target_signal_to_name (siggnal)); | |
1901 | } | |
1902 | ||
1903 | static int | |
1904 | debug_to_wait (pid, status) | |
1905 | int pid; | |
1906 | struct target_waitstatus *status; | |
1907 | { | |
1908 | int retval; | |
1909 | ||
1910 | retval = debug_target.to_wait (pid, status); | |
1911 | ||
4ef1f467 DT |
1912 | fprintf_unfiltered (gdb_stderr, |
1913 | "target_wait (%d, status) = %d, ", pid, retval); | |
1914 | fprintf_unfiltered (gdb_stderr, "status->kind = "); | |
43fc25c8 JL |
1915 | switch (status->kind) |
1916 | { | |
1917 | case TARGET_WAITKIND_EXITED: | |
4ef1f467 DT |
1918 | fprintf_unfiltered (gdb_stderr, "exited, status = %d\n", |
1919 | status->value.integer); | |
43fc25c8 JL |
1920 | break; |
1921 | case TARGET_WAITKIND_STOPPED: | |
4ef1f467 | 1922 | fprintf_unfiltered (gdb_stderr, "stopped, signal = %s\n", |
43fc25c8 JL |
1923 | target_signal_to_name (status->value.sig)); |
1924 | break; | |
1925 | case TARGET_WAITKIND_SIGNALLED: | |
4ef1f467 | 1926 | fprintf_unfiltered (gdb_stderr, "signalled, signal = %s\n", |
43fc25c8 JL |
1927 | target_signal_to_name (status->value.sig)); |
1928 | break; | |
1929 | case TARGET_WAITKIND_LOADED: | |
4ef1f467 DT |
1930 | fprintf_unfiltered (gdb_stderr, "loaded\n"); |
1931 | break; | |
1932 | case TARGET_WAITKIND_FORKED: | |
1933 | fprintf_unfiltered (gdb_stderr, "forked\n"); | |
1934 | break; | |
1935 | case TARGET_WAITKIND_VFORKED: | |
1936 | fprintf_unfiltered (gdb_stderr, "vforked\n"); | |
1937 | break; | |
1938 | case TARGET_WAITKIND_EXECD: | |
1939 | fprintf_unfiltered (gdb_stderr, "execd\n"); | |
43fc25c8 JL |
1940 | break; |
1941 | case TARGET_WAITKIND_SPURIOUS: | |
4ef1f467 | 1942 | fprintf_unfiltered (gdb_stderr, "spurious\n"); |
43fc25c8 JL |
1943 | break; |
1944 | default: | |
4ef1f467 | 1945 | fprintf_unfiltered (gdb_stderr, "unknown???\n"); |
43fc25c8 JL |
1946 | break; |
1947 | } | |
1948 | ||
1949 | return retval; | |
1950 | } | |
1951 | ||
4ef1f467 DT |
1952 | static void |
1953 | debug_to_post_wait (pid, status) | |
1954 | int pid; | |
1955 | int status; | |
1956 | { | |
1957 | debug_target.to_post_wait (pid, status); | |
1958 | ||
1959 | fprintf_unfiltered (gdb_stderr, "target_post_wait (%d, %d)\n", | |
1960 | pid, status); | |
1961 | } | |
1962 | ||
43fc25c8 JL |
1963 | static void |
1964 | debug_to_fetch_registers (regno) | |
1965 | int regno; | |
1966 | { | |
1967 | debug_target.to_fetch_registers (regno); | |
1968 | ||
4ef1f467 DT |
1969 | fprintf_unfiltered (gdb_stderr, "target_fetch_registers (%s)", |
1970 | regno != -1 ? REGISTER_NAME (regno) : "-1"); | |
43fc25c8 | 1971 | if (regno != -1) |
4ef1f467 | 1972 | fprintf_unfiltered (gdb_stderr, " = 0x%x %d", |
47b8a5ce | 1973 | (unsigned long) read_register (regno), |
43fc25c8 | 1974 | read_register (regno)); |
4ef1f467 | 1975 | fprintf_unfiltered (gdb_stderr, "\n"); |
43fc25c8 JL |
1976 | } |
1977 | ||
1978 | static void | |
1979 | debug_to_store_registers (regno) | |
1980 | int regno; | |
1981 | { | |
1982 | debug_target.to_store_registers (regno); | |
1983 | ||
1984 | if (regno >= 0 && regno < NUM_REGS) | |
4ef1f467 DT |
1985 | fprintf_unfiltered (gdb_stderr, "target_store_registers (%s) = 0x%x %d\n", |
1986 | REGISTER_NAME (regno), | |
47b8a5ce PS |
1987 | (unsigned long) read_register (regno), |
1988 | (unsigned long) read_register (regno)); | |
43fc25c8 | 1989 | else |
4ef1f467 | 1990 | fprintf_unfiltered (gdb_stderr, "target_store_registers (%d)\n", regno); |
43fc25c8 JL |
1991 | } |
1992 | ||
1993 | static void | |
1994 | debug_to_prepare_to_store () | |
1995 | { | |
1996 | debug_target.to_prepare_to_store (); | |
1997 | ||
4ef1f467 | 1998 | fprintf_unfiltered (gdb_stderr, "target_prepare_to_store ()\n"); |
43fc25c8 JL |
1999 | } |
2000 | ||
2001 | static int | |
2002 | debug_to_xfer_memory (memaddr, myaddr, len, write, target) | |
2003 | CORE_ADDR memaddr; | |
2004 | char *myaddr; | |
2005 | int len; | |
2006 | int write; | |
2007 | struct target_ops *target; | |
2008 | { | |
2009 | int retval; | |
2010 | ||
2011 | retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, target); | |
2012 | ||
4ef1f467 | 2013 | fprintf_unfiltered (gdb_stderr, |
647e52ea | 2014 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
47b8a5ce PS |
2015 | (unsigned int) memaddr, /* possable truncate long long */ |
2016 | len, write ? "write" : "read", retval); | |
2017 | ||
2018 | ||
43fc25c8 JL |
2019 | |
2020 | if (retval > 0) | |
2021 | { | |
2022 | int i; | |
2023 | ||
2024 | fputs_unfiltered (", bytes =", gdb_stderr); | |
2025 | for (i = 0; i < retval; i++) | |
647e52ea SG |
2026 | { |
2027 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
4ef1f467 DT |
2028 | fprintf_unfiltered (gdb_stderr, "\n"); |
2029 | fprintf_unfiltered (gdb_stderr, " %02x", myaddr[i] & 0xff); | |
647e52ea | 2030 | } |
43fc25c8 JL |
2031 | } |
2032 | ||
2033 | fputc_unfiltered ('\n', gdb_stderr); | |
2034 | ||
2035 | return retval; | |
2036 | } | |
2037 | ||
2038 | static void | |
2039 | debug_to_files_info (target) | |
2040 | struct target_ops *target; | |
2041 | { | |
2042 | debug_target.to_files_info (target); | |
2043 | ||
4ef1f467 | 2044 | fprintf_unfiltered (gdb_stderr, "target_files_info (xxx)\n"); |
43fc25c8 JL |
2045 | } |
2046 | ||
2047 | static int | |
2048 | debug_to_insert_breakpoint (addr, save) | |
2049 | CORE_ADDR addr; | |
2050 | char *save; | |
2051 | { | |
2052 | int retval; | |
2053 | ||
2054 | retval = debug_target.to_insert_breakpoint (addr, save); | |
2055 | ||
4ef1f467 DT |
2056 | fprintf_unfiltered (gdb_stderr, |
2057 | "target_insert_breakpoint (0x%x, xxx) = %d\n", | |
47b8a5ce | 2058 | (unsigned long) addr, retval); |
43fc25c8 JL |
2059 | return retval; |
2060 | } | |
2061 | ||
2062 | static int | |
2063 | debug_to_remove_breakpoint (addr, save) | |
2064 | CORE_ADDR addr; | |
2065 | char *save; | |
2066 | { | |
2067 | int retval; | |
2068 | ||
2069 | retval = debug_target.to_remove_breakpoint (addr, save); | |
2070 | ||
4ef1f467 DT |
2071 | fprintf_unfiltered (gdb_stderr, |
2072 | "target_remove_breakpoint (0x%x, xxx) = %d\n", | |
47b8a5ce | 2073 | (unsigned long)addr, retval); |
43fc25c8 JL |
2074 | return retval; |
2075 | } | |
2076 | ||
2077 | static void | |
2078 | debug_to_terminal_init () | |
2079 | { | |
2080 | debug_target.to_terminal_init (); | |
2081 | ||
4ef1f467 | 2082 | fprintf_unfiltered (gdb_stderr, "target_terminal_init ()\n"); |
43fc25c8 JL |
2083 | } |
2084 | ||
2085 | static void | |
2086 | debug_to_terminal_inferior () | |
2087 | { | |
2088 | debug_target.to_terminal_inferior (); | |
2089 | ||
4ef1f467 | 2090 | fprintf_unfiltered (gdb_stderr, "target_terminal_inferior ()\n"); |
43fc25c8 JL |
2091 | } |
2092 | ||
2093 | static void | |
2094 | debug_to_terminal_ours_for_output () | |
2095 | { | |
2096 | debug_target.to_terminal_ours_for_output (); | |
2097 | ||
4ef1f467 | 2098 | fprintf_unfiltered (gdb_stderr, "target_terminal_ours_for_output ()\n"); |
43fc25c8 JL |
2099 | } |
2100 | ||
2101 | static void | |
2102 | debug_to_terminal_ours () | |
2103 | { | |
2104 | debug_target.to_terminal_ours (); | |
2105 | ||
4ef1f467 | 2106 | fprintf_unfiltered (gdb_stderr, "target_terminal_ours ()\n"); |
43fc25c8 JL |
2107 | } |
2108 | ||
2109 | static void | |
2110 | debug_to_terminal_info (arg, from_tty) | |
2111 | char *arg; | |
2112 | int from_tty; | |
2113 | { | |
2114 | debug_target.to_terminal_info (arg, from_tty); | |
2115 | ||
4ef1f467 | 2116 | fprintf_unfiltered (gdb_stderr, "target_terminal_info (%s, %d)\n", arg, |
43fc25c8 JL |
2117 | from_tty); |
2118 | } | |
2119 | ||
2120 | static void | |
2121 | debug_to_kill () | |
2122 | { | |
2123 | debug_target.to_kill (); | |
2124 | ||
4ef1f467 | 2125 | fprintf_unfiltered (gdb_stderr, "target_kill ()\n"); |
43fc25c8 JL |
2126 | } |
2127 | ||
2128 | static void | |
2129 | debug_to_load (args, from_tty) | |
2130 | char *args; | |
2131 | int from_tty; | |
2132 | { | |
2133 | debug_target.to_load (args, from_tty); | |
2134 | ||
4ef1f467 | 2135 | fprintf_unfiltered (gdb_stderr, "target_load (%s, %d)\n", args, from_tty); |
43fc25c8 JL |
2136 | } |
2137 | ||
2138 | static int | |
2139 | debug_to_lookup_symbol (name, addrp) | |
2140 | char *name; | |
2141 | CORE_ADDR *addrp; | |
2142 | { | |
2143 | int retval; | |
2144 | ||
2145 | retval = debug_target.to_lookup_symbol (name, addrp); | |
2146 | ||
4ef1f467 | 2147 | fprintf_unfiltered (gdb_stderr, "target_lookup_symbol (%s, xxx)\n", name); |
43fc25c8 JL |
2148 | |
2149 | return retval; | |
2150 | } | |
2151 | ||
2152 | static void | |
2153 | debug_to_create_inferior (exec_file, args, env) | |
2154 | char *exec_file; | |
2155 | char *args; | |
2156 | char **env; | |
2157 | { | |
2158 | debug_target.to_create_inferior (exec_file, args, env); | |
2159 | ||
4ef1f467 | 2160 | fprintf_unfiltered (gdb_stderr, "target_create_inferior (%s, %s, xxx)\n", |
43fc25c8 JL |
2161 | exec_file, args); |
2162 | } | |
2163 | ||
4ef1f467 DT |
2164 | static void |
2165 | debug_to_post_startup_inferior (pid) | |
2166 | int pid; | |
2167 | { | |
2168 | debug_target.to_post_startup_inferior (pid); | |
2169 | ||
2170 | fprintf_unfiltered (gdb_stderr, "target_post_startup_inferior (%d)\n", | |
2171 | pid); | |
2172 | } | |
2173 | ||
2174 | static void | |
2175 | debug_to_acknowledge_created_inferior (pid) | |
2176 | int pid; | |
2177 | { | |
2178 | debug_target.to_acknowledge_created_inferior (pid); | |
2179 | ||
2180 | fprintf_unfiltered (gdb_stderr, "target_acknowledge_created_inferior (%d)\n", | |
2181 | pid); | |
2182 | } | |
2183 | ||
2184 | static void | |
2185 | debug_to_clone_and_follow_inferior (child_pid, followed_child) | |
2186 | int child_pid; | |
2187 | int *followed_child; | |
2188 | { | |
2189 | debug_target.to_clone_and_follow_inferior (child_pid, followed_child); | |
2190 | ||
2191 | fprintf_unfiltered (gdb_stderr, | |
2192 | "target_clone_and_follow_inferior (%d, %d)\n", | |
2193 | child_pid, *followed_child); | |
2194 | } | |
2195 | ||
2196 | static void | |
2197 | debug_to_post_follow_inferior_by_clone () | |
2198 | { | |
2199 | debug_target.to_post_follow_inferior_by_clone (); | |
2200 | ||
2201 | fprintf_unfiltered (gdb_stderr, "target_post_follow_inferior_by_clone ()\n"); | |
2202 | } | |
2203 | ||
2204 | static int | |
2205 | debug_to_insert_fork_catchpoint (pid) | |
2206 | int pid; | |
2207 | { | |
2208 | int retval; | |
2209 | ||
2210 | retval = debug_target.to_insert_fork_catchpoint (pid); | |
2211 | ||
2212 | fprintf_unfiltered (gdb_stderr, "target_insert_fork_catchpoint (%d) = %d\n", | |
2213 | pid, retval); | |
2214 | ||
2215 | return retval; | |
2216 | } | |
2217 | ||
2218 | static int | |
2219 | debug_to_remove_fork_catchpoint (pid) | |
2220 | int pid; | |
2221 | { | |
2222 | int retval; | |
2223 | ||
2224 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
2225 | ||
2226 | fprintf_unfiltered (gdb_stderr, "target_remove_fork_catchpoint (%d) = %d\n", | |
2227 | pid, retval); | |
2228 | ||
2229 | return retval; | |
2230 | } | |
2231 | ||
2232 | static int | |
2233 | debug_to_insert_vfork_catchpoint (pid) | |
2234 | int pid; | |
2235 | { | |
2236 | int retval; | |
2237 | ||
2238 | retval = debug_target.to_insert_vfork_catchpoint (pid); | |
2239 | ||
2240 | fprintf_unfiltered (gdb_stderr, "target_insert_vfork_catchpoint (%d)= %d\n", | |
2241 | pid, retval); | |
2242 | ||
2243 | return retval; | |
2244 | } | |
2245 | ||
2246 | static int | |
2247 | debug_to_remove_vfork_catchpoint (pid) | |
2248 | int pid; | |
2249 | { | |
2250 | int retval; | |
2251 | ||
2252 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2253 | ||
2254 | fprintf_unfiltered (gdb_stderr, "target_remove_vfork_catchpoint (%d) = %d\n", | |
2255 | pid, retval); | |
2256 | ||
2257 | return retval; | |
2258 | } | |
2259 | ||
2260 | static int | |
2261 | debug_to_has_forked (pid, child_pid) | |
2262 | int pid; | |
2263 | int * child_pid; | |
2264 | { | |
2265 | int has_forked; | |
2266 | ||
2267 | has_forked = debug_target.to_has_forked (pid, child_pid); | |
2268 | ||
2269 | fprintf_unfiltered (gdb_stderr, "target_has_forked (%d, %d) = %d\n", | |
2270 | pid, *child_pid, has_forked); | |
2271 | ||
2272 | return has_forked; | |
2273 | } | |
2274 | ||
2275 | static int | |
2276 | debug_to_has_vforked (pid, child_pid) | |
2277 | int pid; | |
2278 | int * child_pid; | |
2279 | { | |
2280 | int has_vforked; | |
2281 | ||
2282 | has_vforked = debug_target.to_has_vforked (pid, child_pid); | |
2283 | ||
2284 | fprintf_unfiltered (gdb_stderr, "target_has_vforked (%d, %d) = %d\n", | |
2285 | pid, *child_pid, has_vforked); | |
2286 | ||
2287 | return has_vforked; | |
2288 | } | |
2289 | ||
2290 | static int | |
2291 | debug_to_can_follow_vfork_prior_to_exec () | |
2292 | { | |
2293 | int can_immediately_follow_vfork; | |
2294 | ||
2295 | can_immediately_follow_vfork = debug_target.to_can_follow_vfork_prior_to_exec (); | |
2296 | ||
2297 | fprintf_unfiltered (gdb_stderr, "target_can_follow_vfork_prior_to_exec () = %d\n", | |
2298 | can_immediately_follow_vfork); | |
2299 | ||
2300 | return can_immediately_follow_vfork; | |
2301 | } | |
2302 | ||
2303 | static void | |
2304 | debug_to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child) | |
2305 | int parent_pid; | |
2306 | int followed_parent; | |
2307 | int child_pid; | |
2308 | int followed_child; | |
2309 | { | |
2310 | debug_target.to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child); | |
2311 | ||
2312 | fprintf_unfiltered (gdb_stderr, | |
2313 | "target_post_follow_vfork (%d, %d, %d, %d)\n", | |
2314 | parent_pid, followed_parent, child_pid, followed_child); | |
2315 | } | |
2316 | ||
2317 | static int | |
2318 | debug_to_insert_exec_catchpoint (pid) | |
2319 | int pid; | |
2320 | { | |
2321 | int retval; | |
2322 | ||
2323 | retval = debug_target.to_insert_exec_catchpoint (pid); | |
2324 | ||
2325 | fprintf_unfiltered (gdb_stderr, "target_insert_exec_catchpoint (%d) = %d\n", | |
2326 | pid, retval); | |
2327 | ||
2328 | return retval; | |
2329 | } | |
2330 | ||
2331 | static int | |
2332 | debug_to_remove_exec_catchpoint (pid) | |
2333 | int pid; | |
2334 | { | |
2335 | int retval; | |
2336 | ||
2337 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2338 | ||
2339 | fprintf_unfiltered (gdb_stderr, "target_remove_exec_catchpoint (%d) = %d\n", | |
2340 | pid, retval); | |
2341 | ||
2342 | return retval; | |
2343 | } | |
2344 | ||
2345 | static int | |
2346 | debug_to_has_execd (pid, execd_pathname) | |
2347 | int pid; | |
2348 | char ** execd_pathname; | |
2349 | { | |
2350 | int has_execd; | |
2351 | ||
2352 | has_execd = debug_target.to_has_execd (pid, execd_pathname); | |
2353 | ||
2354 | fprintf_unfiltered (gdb_stderr, "target_has_execd (%d, %s) = %d\n", | |
2355 | pid, *execd_pathname, has_execd); | |
2356 | ||
2357 | return has_execd; | |
2358 | } | |
2359 | ||
2360 | static int | |
2361 | debug_to_reported_exec_events_per_exec_call () | |
2362 | { | |
2363 | int reported_exec_events; | |
2364 | ||
2365 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
2366 | ||
2367 | fprintf_unfiltered (gdb_stderr, | |
2368 | "target_reported_exec_events_per_exec_call () = %d\n", | |
2369 | reported_exec_events); | |
2370 | ||
2371 | return reported_exec_events; | |
2372 | } | |
2373 | ||
2374 | static int | |
2375 | debug_to_has_syscall_event (pid, kind, syscall_id) | |
2376 | int pid; | |
2377 | enum target_waitkind * kind; | |
2378 | int * syscall_id; | |
2379 | { | |
2380 | int has_syscall_event; | |
2381 | char * kind_spelling = "??"; | |
2382 | ||
2383 | has_syscall_event = debug_target.to_has_syscall_event (pid, kind, syscall_id); | |
2384 | if (has_syscall_event) | |
2385 | { | |
2386 | switch (*kind) | |
2387 | { | |
2388 | case TARGET_WAITKIND_SYSCALL_ENTRY: | |
2389 | kind_spelling = "SYSCALL_ENTRY"; | |
2390 | break; | |
2391 | case TARGET_WAITKIND_SYSCALL_RETURN: | |
2392 | kind_spelling = "SYSCALL_RETURN"; | |
2393 | break; | |
2394 | default: | |
2395 | break; | |
2396 | } | |
2397 | } | |
2398 | ||
2399 | fprintf_unfiltered (gdb_stderr, | |
2400 | "target_has_syscall_event (%d, %s, %d) = %d\n", | |
2401 | pid, kind_spelling, *syscall_id, has_syscall_event); | |
2402 | ||
2403 | return has_syscall_event; | |
2404 | } | |
2405 | ||
2406 | static int | |
2407 | debug_to_has_exited (pid, wait_status, exit_status) | |
2408 | int pid; | |
2409 | int wait_status; | |
2410 | int * exit_status; | |
2411 | { | |
2412 | int has_exited; | |
2413 | ||
2414 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2415 | ||
2416 | fprintf_unfiltered (gdb_stderr, "target_has_exited (%d, %d, %d) = %d\n", | |
2417 | pid, wait_status, *exit_status, has_exited); | |
2418 | ||
2419 | return has_exited; | |
2420 | } | |
2421 | ||
43fc25c8 JL |
2422 | static void |
2423 | debug_to_mourn_inferior () | |
2424 | { | |
2425 | debug_target.to_mourn_inferior (); | |
2426 | ||
4ef1f467 | 2427 | fprintf_unfiltered (gdb_stderr, "target_mourn_inferior ()\n"); |
43fc25c8 JL |
2428 | } |
2429 | ||
2430 | static int | |
2431 | debug_to_can_run () | |
2432 | { | |
2433 | int retval; | |
2434 | ||
2435 | retval = debug_target.to_can_run (); | |
2436 | ||
4ef1f467 | 2437 | fprintf_unfiltered (gdb_stderr, "target_can_run () = %d\n", retval); |
43fc25c8 JL |
2438 | |
2439 | return retval; | |
2440 | } | |
2441 | ||
2442 | static void | |
2443 | debug_to_notice_signals (pid) | |
2444 | int pid; | |
2445 | { | |
2446 | debug_target.to_notice_signals (pid); | |
2447 | ||
4ef1f467 | 2448 | fprintf_unfiltered (gdb_stderr, "target_notice_signals (%d)\n", pid); |
43fc25c8 JL |
2449 | } |
2450 | ||
2b576293 | 2451 | static int |
43fc25c8 JL |
2452 | debug_to_thread_alive (pid) |
2453 | int pid; | |
2454 | { | |
647e52ea SG |
2455 | int retval; |
2456 | ||
2457 | retval = debug_target.to_thread_alive (pid); | |
43fc25c8 | 2458 | |
4ef1f467 DT |
2459 | fprintf_unfiltered (gdb_stderr, "target_thread_alive (%d) = %d\n", |
2460 | pid, retval); | |
647e52ea SG |
2461 | |
2462 | return retval; | |
43fc25c8 JL |
2463 | } |
2464 | ||
2465 | static void | |
2466 | debug_to_stop () | |
2467 | { | |
2468 | debug_target.to_stop (); | |
2469 | ||
4ef1f467 DT |
2470 | fprintf_unfiltered (gdb_stderr, "target_stop ()\n"); |
2471 | } | |
2472 | ||
2473 | static struct symtab_and_line * | |
2474 | debug_to_enable_exception_callback (kind, enable) | |
2475 | enum exception_event_kind kind; | |
2476 | int enable; | |
2477 | { | |
2478 | debug_target.to_enable_exception_callback (kind, enable); | |
2479 | ||
2480 | fprintf_unfiltered (gdb_stderr, | |
2481 | "target get_exception_callback_sal (%d, %d)\n", | |
2482 | kind, enable); | |
2483 | } | |
2484 | ||
2485 | static struct exception_event_record * | |
2486 | debug_to_get_current_exception_event () | |
2487 | { | |
2488 | debug_target.to_get_current_exception_event(); | |
2489 | ||
2490 | fprintf_unfiltered (gdb_stderr, "target get_current_exception_event ()\n"); | |
2491 | } | |
2492 | ||
2493 | static char * | |
2494 | debug_to_pid_to_exec_file (pid) | |
2495 | int pid; | |
2496 | { | |
2497 | char * exec_file; | |
2498 | ||
2499 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2500 | ||
2501 | fprintf_unfiltered (gdb_stderr, "target_pid_to_exec_file (%d) = %s\n", | |
2502 | pid, exec_file); | |
2503 | ||
2504 | return exec_file; | |
2505 | } | |
2506 | ||
2507 | static char * | |
2508 | debug_to_core_file_to_sym_file (core) | |
2509 | char * core; | |
2510 | { | |
2511 | char * sym_file; | |
2512 | ||
2513 | sym_file = debug_target.to_core_file_to_sym_file (core); | |
2514 | ||
2515 | fprintf_unfiltered (gdb_stderr, "target_core_file_to_sym_file (%s) = %s\n", | |
2516 | core, sym_file); | |
2517 | ||
2518 | return sym_file; | |
43fc25c8 JL |
2519 | } |
2520 | ||
2521 | static void | |
2522 | setup_target_debug () | |
2523 | { | |
2524 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2525 | ||
2526 | current_target.to_open = debug_to_open; | |
2527 | current_target.to_close = debug_to_close; | |
2528 | current_target.to_attach = debug_to_attach; | |
4ef1f467 DT |
2529 | current_target.to_post_attach = debug_to_post_attach; |
2530 | current_target.to_require_attach = debug_to_require_attach; | |
43fc25c8 | 2531 | current_target.to_detach = debug_to_detach; |
4ef1f467 | 2532 | current_target.to_require_detach = debug_to_require_detach; |
43fc25c8 JL |
2533 | current_target.to_resume = debug_to_resume; |
2534 | current_target.to_wait = debug_to_wait; | |
4ef1f467 | 2535 | current_target.to_post_wait = debug_to_post_wait; |
43fc25c8 JL |
2536 | current_target.to_fetch_registers = debug_to_fetch_registers; |
2537 | current_target.to_store_registers = debug_to_store_registers; | |
2538 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
2539 | current_target.to_xfer_memory = debug_to_xfer_memory; | |
2540 | current_target.to_files_info = debug_to_files_info; | |
2541 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2542 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
2543 | current_target.to_terminal_init = debug_to_terminal_init; | |
2544 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2545 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2546 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
2547 | current_target.to_terminal_info = debug_to_terminal_info; | |
2548 | current_target.to_kill = debug_to_kill; | |
2549 | current_target.to_load = debug_to_load; | |
2550 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2551 | current_target.to_create_inferior = debug_to_create_inferior; | |
4ef1f467 DT |
2552 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; |
2553 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
2554 | current_target.to_clone_and_follow_inferior = debug_to_clone_and_follow_inferior; | |
2555 | current_target.to_post_follow_inferior_by_clone = debug_to_post_follow_inferior_by_clone; | |
2556 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; | |
2557 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2558 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2559 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
2560 | current_target.to_has_forked = debug_to_has_forked; | |
2561 | current_target.to_has_vforked = debug_to_has_vforked; | |
2562 | current_target.to_can_follow_vfork_prior_to_exec = debug_to_can_follow_vfork_prior_to_exec; | |
2563 | current_target.to_post_follow_vfork = debug_to_post_follow_vfork; | |
2564 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; | |
2565 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
2566 | current_target.to_has_execd = debug_to_has_execd; | |
2567 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; | |
2568 | current_target.to_has_syscall_event = debug_to_has_syscall_event; | |
2569 | current_target.to_has_exited = debug_to_has_exited; | |
43fc25c8 JL |
2570 | current_target.to_mourn_inferior = debug_to_mourn_inferior; |
2571 | current_target.to_can_run = debug_to_can_run; | |
2572 | current_target.to_notice_signals = debug_to_notice_signals; | |
2573 | current_target.to_thread_alive = debug_to_thread_alive; | |
2574 | current_target.to_stop = debug_to_stop; | |
4ef1f467 DT |
2575 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
2576 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
2577 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
2578 | current_target.to_core_file_to_sym_file = debug_to_core_file_to_sym_file; | |
2579 | ||
43fc25c8 JL |
2580 | } |
2581 | #endif /* MAINTENANCE_CMDS */ | |
2582 | \f | |
bd5635a1 RP |
2583 | static char targ_desc[] = |
2584 | "Names of targets and files being debugged.\n\ | |
2585 | Shows the entire stack of targets currently in use (including the exec-file,\n\ | |
2586 | core-file, and process, if any), as well as the symbol file name."; | |
2587 | ||
2588 | void | |
4fc5969d | 2589 | initialize_targets () |
bd5635a1 | 2590 | { |
cad1498f | 2591 | push_target (&dummy_target); |
bd5635a1 | 2592 | |
bd5635a1 RP |
2593 | add_info ("target", target_info, targ_desc); |
2594 | add_info ("files", target_info, targ_desc); | |
67ac9759 | 2595 | |
43fc25c8 JL |
2596 | #ifdef MAINTENANCE_CMDS |
2597 | add_show_from_set ( | |
2598 | add_set_cmd ("targetdebug", class_maintenance, var_zinteger, | |
2599 | (char *)&targetdebug, | |
2600 | "Set target debugging.\n\ | |
2601 | When non-zero, target debugging is enabled.", &setlist), | |
2602 | &showlist); | |
2603 | #endif | |
2604 | ||
67ac9759 JK |
2605 | if (!STREQ (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC")) |
2606 | abort (); | |
bd5635a1 | 2607 | } |