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