Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Select target systems and architectures at runtime for GDB. |
b6ba6518 KB |
2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
3 | 2000, 2001 Free Software Foundation, Inc. | |
c906108c SS |
4 | Contributed by Cygnus Support. |
5 | ||
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include <errno.h> | |
c906108c SS |
25 | #include "gdb_string.h" |
26 | #include "target.h" | |
27 | #include "gdbcmd.h" | |
28 | #include "symtab.h" | |
29 | #include "inferior.h" | |
30 | #include "bfd.h" | |
31 | #include "symfile.h" | |
32 | #include "objfiles.h" | |
03f2053f | 33 | #include "gdb_wait.h" |
4930751a | 34 | #include "dcache.h" |
c906108c | 35 | #include <signal.h> |
4e052eda | 36 | #include "regcache.h" |
c906108c SS |
37 | |
38 | extern int errno; | |
39 | ||
a14ed312 | 40 | static void target_info (char *, int); |
c906108c | 41 | |
a14ed312 | 42 | static void cleanup_target (struct target_ops *); |
c906108c | 43 | |
a14ed312 | 44 | static void maybe_kill_then_create_inferior (char *, char *, char **); |
c906108c | 45 | |
a14ed312 | 46 | static void default_clone_and_follow_inferior (int, int *); |
c906108c | 47 | |
a14ed312 | 48 | static void maybe_kill_then_attach (char *, int); |
c906108c | 49 | |
a14ed312 | 50 | static void kill_or_be_killed (int); |
c906108c | 51 | |
a14ed312 | 52 | static void default_terminal_info (char *, int); |
c906108c | 53 | |
a14ed312 | 54 | static int nosymbol (char *, CORE_ADDR *); |
c906108c | 55 | |
a14ed312 | 56 | static void tcomplain (void); |
c906108c | 57 | |
a14ed312 | 58 | static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *); |
c906108c | 59 | |
a14ed312 | 60 | static int return_zero (void); |
c906108c | 61 | |
a14ed312 | 62 | static int return_one (void); |
c906108c | 63 | |
a14ed312 | 64 | void target_ignore (void); |
c906108c | 65 | |
a14ed312 | 66 | static void target_command (char *, int); |
c906108c | 67 | |
a14ed312 | 68 | static struct target_ops *find_default_run_target (char *); |
c906108c | 69 | |
a14ed312 | 70 | static void update_current_target (void); |
c906108c | 71 | |
a14ed312 | 72 | static void nosupport_runtime (void); |
392a587b | 73 | |
39f77062 | 74 | static void normal_target_post_startup_inferior (ptid_t ptid); |
392a587b | 75 | |
917317f4 JM |
76 | /* Transfer LEN bytes between target address MEMADDR and GDB address |
77 | MYADDR. Returns 0 for success, errno code for failure (which | |
78 | includes partial transfers -- if you want a more useful response to | |
79 | partial transfers, try either target_read_memory_partial or | |
80 | target_write_memory_partial). */ | |
c906108c SS |
81 | |
82 | static int | |
a14ed312 | 83 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write); |
c906108c | 84 | |
a14ed312 | 85 | static void init_dummy_target (void); |
c906108c | 86 | |
a14ed312 | 87 | static void debug_to_open (char *, int); |
c906108c | 88 | |
a14ed312 | 89 | static void debug_to_close (int); |
c906108c | 90 | |
a14ed312 | 91 | static void debug_to_attach (char *, int); |
c906108c | 92 | |
a14ed312 | 93 | static void debug_to_detach (char *, int); |
c906108c | 94 | |
39f77062 | 95 | static void debug_to_resume (ptid_t, int, enum target_signal); |
c906108c | 96 | |
39f77062 | 97 | static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *); |
c906108c | 98 | |
a14ed312 | 99 | static void debug_to_fetch_registers (int); |
c906108c | 100 | |
a14ed312 | 101 | static void debug_to_store_registers (int); |
c906108c | 102 | |
a14ed312 | 103 | static void debug_to_prepare_to_store (void); |
c906108c SS |
104 | |
105 | static int | |
29e57380 C |
106 | debug_to_xfer_memory (CORE_ADDR, char *, int, int, struct mem_attrib *, |
107 | struct target_ops *); | |
c906108c | 108 | |
a14ed312 | 109 | static void debug_to_files_info (struct target_ops *); |
c906108c | 110 | |
a14ed312 | 111 | static int debug_to_insert_breakpoint (CORE_ADDR, char *); |
c906108c | 112 | |
a14ed312 | 113 | static int debug_to_remove_breakpoint (CORE_ADDR, char *); |
c906108c | 114 | |
a14ed312 | 115 | static void debug_to_terminal_init (void); |
c906108c | 116 | |
a14ed312 | 117 | static void debug_to_terminal_inferior (void); |
c906108c | 118 | |
a14ed312 | 119 | static void debug_to_terminal_ours_for_output (void); |
c906108c | 120 | |
a14ed312 | 121 | static void debug_to_terminal_ours (void); |
c906108c | 122 | |
a14ed312 | 123 | static void debug_to_terminal_info (char *, int); |
c906108c | 124 | |
a14ed312 | 125 | static void debug_to_kill (void); |
c906108c | 126 | |
a14ed312 | 127 | static void debug_to_load (char *, int); |
c906108c | 128 | |
a14ed312 | 129 | static int debug_to_lookup_symbol (char *, CORE_ADDR *); |
c906108c | 130 | |
a14ed312 | 131 | static void debug_to_create_inferior (char *, char *, char **); |
c906108c | 132 | |
a14ed312 | 133 | static void debug_to_mourn_inferior (void); |
c906108c | 134 | |
a14ed312 | 135 | static int debug_to_can_run (void); |
c906108c | 136 | |
39f77062 | 137 | static void debug_to_notice_signals (ptid_t); |
c906108c | 138 | |
39f77062 | 139 | static int debug_to_thread_alive (ptid_t); |
c906108c | 140 | |
a14ed312 | 141 | static void debug_to_stop (void); |
c906108c | 142 | |
a14ed312 | 143 | static int debug_to_query (int /*char */ , char *, char *, int *); |
c906108c SS |
144 | |
145 | /* Pointer to array of target architecture structures; the size of the | |
146 | array; the current index into the array; the allocated size of the | |
147 | array. */ | |
148 | struct target_ops **target_structs; | |
149 | unsigned target_struct_size; | |
150 | unsigned target_struct_index; | |
151 | unsigned target_struct_allocsize; | |
152 | #define DEFAULT_ALLOCSIZE 10 | |
153 | ||
154 | /* The initial current target, so that there is always a semi-valid | |
155 | current target. */ | |
156 | ||
157 | static struct target_ops dummy_target; | |
158 | ||
159 | /* Top of target stack. */ | |
160 | ||
161 | struct target_stack_item *target_stack; | |
162 | ||
163 | /* The target structure we are currently using to talk to a process | |
164 | or file or whatever "inferior" we have. */ | |
165 | ||
166 | struct target_ops current_target; | |
167 | ||
168 | /* Command list for target. */ | |
169 | ||
170 | static struct cmd_list_element *targetlist = NULL; | |
171 | ||
172 | /* Nonzero if we are debugging an attached outside process | |
173 | rather than an inferior. */ | |
174 | ||
175 | int attach_flag; | |
176 | ||
c906108c SS |
177 | /* Non-zero if we want to see trace of target level stuff. */ |
178 | ||
179 | static int targetdebug = 0; | |
180 | ||
a14ed312 | 181 | static void setup_target_debug (void); |
c906108c | 182 | |
4930751a C |
183 | DCACHE *target_dcache; |
184 | ||
c906108c SS |
185 | /* The user just typed 'target' without the name of a target. */ |
186 | ||
187 | /* ARGSUSED */ | |
188 | static void | |
fba45db2 | 189 | target_command (char *arg, int from_tty) |
c906108c SS |
190 | { |
191 | fputs_filtered ("Argument required (target name). Try `help target'\n", | |
192 | gdb_stdout); | |
193 | } | |
194 | ||
195 | /* Add a possible target architecture to the list. */ | |
196 | ||
197 | void | |
fba45db2 | 198 | add_target (struct target_ops *t) |
c906108c SS |
199 | { |
200 | if (!target_structs) | |
201 | { | |
202 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
203 | target_structs = (struct target_ops **) xmalloc | |
204 | (target_struct_allocsize * sizeof (*target_structs)); | |
205 | } | |
206 | if (target_struct_size >= target_struct_allocsize) | |
207 | { | |
208 | target_struct_allocsize *= 2; | |
209 | target_structs = (struct target_ops **) | |
c5aa993b JM |
210 | xrealloc ((char *) target_structs, |
211 | target_struct_allocsize * sizeof (*target_structs)); | |
c906108c SS |
212 | } |
213 | target_structs[target_struct_size++] = t; | |
c5aa993b | 214 | /* cleanup_target (t); */ |
c906108c SS |
215 | |
216 | if (targetlist == NULL) | |
217 | add_prefix_cmd ("target", class_run, target_command, | |
218 | "Connect to a target machine or process.\n\ | |
219 | The first argument is the type or protocol of the target machine.\n\ | |
220 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
221 | information on the arguments for a particular protocol, type\n\ | |
222 | `help target ' followed by the protocol name.", | |
223 | &targetlist, "target ", 0, &cmdlist); | |
224 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
225 | } | |
226 | ||
227 | /* Stub functions */ | |
228 | ||
229 | void | |
fba45db2 | 230 | target_ignore (void) |
c906108c SS |
231 | { |
232 | } | |
233 | ||
11cf8741 JM |
234 | void |
235 | target_load (char *arg, int from_tty) | |
236 | { | |
4930751a | 237 | dcache_invalidate (target_dcache); |
11cf8741 JM |
238 | (*current_target.to_load) (arg, from_tty); |
239 | } | |
240 | ||
c906108c SS |
241 | /* ARGSUSED */ |
242 | static int | |
fba45db2 KB |
243 | nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
244 | struct target_ops *t) | |
c906108c | 245 | { |
c5aa993b JM |
246 | errno = EIO; /* Can't read/write this location */ |
247 | return 0; /* No bytes handled */ | |
c906108c SS |
248 | } |
249 | ||
250 | static void | |
fba45db2 | 251 | tcomplain (void) |
c906108c SS |
252 | { |
253 | error ("You can't do that when your target is `%s'", | |
254 | current_target.to_shortname); | |
255 | } | |
256 | ||
257 | void | |
fba45db2 | 258 | noprocess (void) |
c906108c SS |
259 | { |
260 | error ("You can't do that without a process to debug."); | |
261 | } | |
262 | ||
263 | /* ARGSUSED */ | |
264 | static int | |
fba45db2 | 265 | nosymbol (char *name, CORE_ADDR *addrp) |
c906108c | 266 | { |
c5aa993b | 267 | return 1; /* Symbol does not exist in target env */ |
c906108c SS |
268 | } |
269 | ||
270 | /* ARGSUSED */ | |
392a587b | 271 | static void |
fba45db2 | 272 | nosupport_runtime (void) |
c906108c | 273 | { |
39f77062 | 274 | if (ptid_equal (inferior_ptid, null_ptid)) |
c906108c SS |
275 | noprocess (); |
276 | else | |
277 | error ("No run-time support for this"); | |
278 | } | |
279 | ||
280 | ||
281 | /* ARGSUSED */ | |
282 | static void | |
fba45db2 | 283 | default_terminal_info (char *args, int from_tty) |
c906108c | 284 | { |
c5aa993b | 285 | printf_unfiltered ("No saved terminal information.\n"); |
c906108c SS |
286 | } |
287 | ||
288 | /* This is the default target_create_inferior and target_attach function. | |
289 | If the current target is executing, it asks whether to kill it off. | |
290 | If this function returns without calling error(), it has killed off | |
291 | the target, and the operation should be attempted. */ | |
292 | ||
293 | static void | |
fba45db2 | 294 | kill_or_be_killed (int from_tty) |
c906108c SS |
295 | { |
296 | if (target_has_execution) | |
297 | { | |
298 | printf_unfiltered ("You are already running a program:\n"); | |
299 | target_files_info (); | |
c5aa993b JM |
300 | if (query ("Kill it? ")) |
301 | { | |
302 | target_kill (); | |
303 | if (target_has_execution) | |
304 | error ("Killing the program did not help."); | |
305 | return; | |
306 | } | |
307 | else | |
308 | { | |
309 | error ("Program not killed."); | |
310 | } | |
c906108c | 311 | } |
c5aa993b | 312 | tcomplain (); |
c906108c SS |
313 | } |
314 | ||
315 | static void | |
fba45db2 | 316 | maybe_kill_then_attach (char *args, int from_tty) |
c906108c SS |
317 | { |
318 | kill_or_be_killed (from_tty); | |
319 | target_attach (args, from_tty); | |
320 | } | |
321 | ||
322 | static void | |
fba45db2 | 323 | maybe_kill_then_create_inferior (char *exec, char *args, char **env) |
c906108c SS |
324 | { |
325 | kill_or_be_killed (0); | |
326 | target_create_inferior (exec, args, env); | |
327 | } | |
328 | ||
329 | static void | |
fba45db2 | 330 | default_clone_and_follow_inferior (int child_pid, int *followed_child) |
c906108c SS |
331 | { |
332 | target_clone_and_follow_inferior (child_pid, followed_child); | |
333 | } | |
334 | ||
335 | /* Clean up a target struct so it no longer has any zero pointers in it. | |
336 | We default entries, at least to stubs that print error messages. */ | |
337 | ||
338 | static void | |
fba45db2 | 339 | cleanup_target (struct target_ops *t) |
c906108c SS |
340 | { |
341 | ||
342 | #define de_fault(field, value) \ | |
0d06e24b JM |
343 | if (!t->field) \ |
344 | t->field = value | |
345 | ||
346 | de_fault (to_open, | |
347 | (void (*) (char *, int)) | |
348 | tcomplain); | |
349 | de_fault (to_close, | |
350 | (void (*) (int)) | |
351 | target_ignore); | |
352 | de_fault (to_attach, | |
353 | maybe_kill_then_attach); | |
354 | de_fault (to_post_attach, | |
355 | (void (*) (int)) | |
356 | target_ignore); | |
357 | de_fault (to_require_attach, | |
358 | maybe_kill_then_attach); | |
359 | de_fault (to_detach, | |
360 | (void (*) (char *, int)) | |
361 | target_ignore); | |
362 | de_fault (to_require_detach, | |
363 | (void (*) (int, char *, int)) | |
364 | target_ignore); | |
365 | de_fault (to_resume, | |
39f77062 | 366 | (void (*) (ptid_t, int, enum target_signal)) |
0d06e24b JM |
367 | noprocess); |
368 | de_fault (to_wait, | |
39f77062 | 369 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) |
0d06e24b JM |
370 | noprocess); |
371 | de_fault (to_post_wait, | |
39f77062 | 372 | (void (*) (ptid_t, int)) |
0d06e24b JM |
373 | target_ignore); |
374 | de_fault (to_fetch_registers, | |
375 | (void (*) (int)) | |
376 | target_ignore); | |
377 | de_fault (to_store_registers, | |
378 | (void (*) (int)) | |
379 | noprocess); | |
380 | de_fault (to_prepare_to_store, | |
381 | (void (*) (void)) | |
382 | noprocess); | |
383 | de_fault (to_xfer_memory, | |
29e57380 | 384 | (int (*) (CORE_ADDR, char *, int, int, struct mem_attrib *, struct target_ops *)) |
0d06e24b JM |
385 | nomemory); |
386 | de_fault (to_files_info, | |
387 | (void (*) (struct target_ops *)) | |
388 | target_ignore); | |
389 | de_fault (to_insert_breakpoint, | |
390 | memory_insert_breakpoint); | |
391 | de_fault (to_remove_breakpoint, | |
392 | memory_remove_breakpoint); | |
393 | de_fault (to_terminal_init, | |
394 | (void (*) (void)) | |
395 | target_ignore); | |
396 | de_fault (to_terminal_inferior, | |
397 | (void (*) (void)) | |
398 | target_ignore); | |
399 | de_fault (to_terminal_ours_for_output, | |
400 | (void (*) (void)) | |
401 | target_ignore); | |
402 | de_fault (to_terminal_ours, | |
403 | (void (*) (void)) | |
404 | target_ignore); | |
405 | de_fault (to_terminal_info, | |
406 | default_terminal_info); | |
407 | de_fault (to_kill, | |
408 | (void (*) (void)) | |
409 | noprocess); | |
410 | de_fault (to_load, | |
411 | (void (*) (char *, int)) | |
412 | tcomplain); | |
413 | de_fault (to_lookup_symbol, | |
414 | (int (*) (char *, CORE_ADDR *)) | |
415 | nosymbol); | |
416 | de_fault (to_create_inferior, | |
417 | maybe_kill_then_create_inferior); | |
418 | de_fault (to_post_startup_inferior, | |
39f77062 | 419 | (void (*) (ptid_t)) |
0d06e24b JM |
420 | target_ignore); |
421 | de_fault (to_acknowledge_created_inferior, | |
422 | (void (*) (int)) | |
423 | target_ignore); | |
424 | de_fault (to_clone_and_follow_inferior, | |
425 | default_clone_and_follow_inferior); | |
426 | de_fault (to_post_follow_inferior_by_clone, | |
427 | (void (*) (void)) | |
428 | target_ignore); | |
429 | de_fault (to_insert_fork_catchpoint, | |
430 | (int (*) (int)) | |
431 | tcomplain); | |
432 | de_fault (to_remove_fork_catchpoint, | |
433 | (int (*) (int)) | |
434 | tcomplain); | |
435 | de_fault (to_insert_vfork_catchpoint, | |
436 | (int (*) (int)) | |
437 | tcomplain); | |
438 | de_fault (to_remove_vfork_catchpoint, | |
439 | (int (*) (int)) | |
440 | tcomplain); | |
441 | de_fault (to_has_forked, | |
442 | (int (*) (int, int *)) | |
443 | return_zero); | |
444 | de_fault (to_has_vforked, | |
445 | (int (*) (int, int *)) | |
446 | return_zero); | |
447 | de_fault (to_can_follow_vfork_prior_to_exec, | |
448 | (int (*) (void)) | |
449 | return_zero); | |
450 | de_fault (to_post_follow_vfork, | |
451 | (void (*) (int, int, int, int)) | |
452 | target_ignore); | |
453 | de_fault (to_insert_exec_catchpoint, | |
454 | (int (*) (int)) | |
455 | tcomplain); | |
456 | de_fault (to_remove_exec_catchpoint, | |
457 | (int (*) (int)) | |
458 | tcomplain); | |
459 | de_fault (to_has_execd, | |
460 | (int (*) (int, char **)) | |
461 | return_zero); | |
462 | de_fault (to_reported_exec_events_per_exec_call, | |
463 | (int (*) (void)) | |
464 | return_one); | |
465 | de_fault (to_has_syscall_event, | |
466 | (int (*) (int, enum target_waitkind *, int *)) | |
467 | return_zero); | |
468 | de_fault (to_has_exited, | |
469 | (int (*) (int, int, int *)) | |
470 | return_zero); | |
471 | de_fault (to_mourn_inferior, | |
472 | (void (*) (void)) | |
473 | noprocess); | |
474 | de_fault (to_can_run, | |
475 | return_zero); | |
476 | de_fault (to_notice_signals, | |
39f77062 | 477 | (void (*) (ptid_t)) |
0d06e24b JM |
478 | target_ignore); |
479 | de_fault (to_thread_alive, | |
39f77062 | 480 | (int (*) (ptid_t)) |
0d06e24b JM |
481 | return_zero); |
482 | de_fault (to_find_new_threads, | |
483 | (void (*) (void)) | |
484 | target_ignore); | |
485 | de_fault (to_extra_thread_info, | |
486 | (char *(*) (struct thread_info *)) | |
487 | return_zero); | |
488 | de_fault (to_stop, | |
489 | (void (*) (void)) | |
490 | target_ignore); | |
0d06e24b | 491 | de_fault (to_rcmd, |
d9fcf2fb | 492 | (void (*) (char *, struct ui_file *)) |
0d06e24b JM |
493 | tcomplain); |
494 | de_fault (to_enable_exception_callback, | |
495 | (struct symtab_and_line * (*) (enum exception_event_kind, int)) | |
496 | nosupport_runtime); | |
497 | de_fault (to_get_current_exception_event, | |
498 | (struct exception_event_record * (*) (void)) | |
499 | nosupport_runtime); | |
500 | de_fault (to_pid_to_exec_file, | |
501 | (char *(*) (int)) | |
502 | return_zero); | |
0d06e24b JM |
503 | de_fault (to_can_async_p, |
504 | (int (*) (void)) | |
505 | return_zero); | |
506 | de_fault (to_is_async_p, | |
507 | (int (*) (void)) | |
508 | return_zero); | |
509 | de_fault (to_async, | |
510 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
511 | tcomplain); | |
c906108c SS |
512 | #undef de_fault |
513 | } | |
514 | ||
515 | /* Go through the target stack from top to bottom, copying over zero entries in | |
516 | current_target. In effect, we are doing class inheritance through the | |
517 | pushed target vectors. */ | |
518 | ||
519 | static void | |
fba45db2 | 520 | update_current_target (void) |
c906108c SS |
521 | { |
522 | struct target_stack_item *item; | |
523 | struct target_ops *t; | |
524 | ||
525 | /* First, reset current_target */ | |
526 | memset (¤t_target, 0, sizeof current_target); | |
527 | ||
528 | for (item = target_stack; item; item = item->next) | |
529 | { | |
530 | t = item->target_ops; | |
531 | ||
532 | #define INHERIT(FIELD, TARGET) \ | |
533 | if (!current_target.FIELD) \ | |
534 | current_target.FIELD = TARGET->FIELD | |
535 | ||
536 | INHERIT (to_shortname, t); | |
537 | INHERIT (to_longname, t); | |
538 | INHERIT (to_doc, t); | |
539 | INHERIT (to_open, t); | |
540 | INHERIT (to_close, t); | |
541 | INHERIT (to_attach, t); | |
542 | INHERIT (to_post_attach, t); | |
543 | INHERIT (to_require_attach, t); | |
544 | INHERIT (to_detach, t); | |
545 | INHERIT (to_require_detach, t); | |
546 | INHERIT (to_resume, t); | |
547 | INHERIT (to_wait, t); | |
548 | INHERIT (to_post_wait, t); | |
549 | INHERIT (to_fetch_registers, t); | |
550 | INHERIT (to_store_registers, t); | |
551 | INHERIT (to_prepare_to_store, t); | |
552 | INHERIT (to_xfer_memory, t); | |
553 | INHERIT (to_files_info, t); | |
554 | INHERIT (to_insert_breakpoint, t); | |
555 | INHERIT (to_remove_breakpoint, t); | |
556 | INHERIT (to_terminal_init, t); | |
557 | INHERIT (to_terminal_inferior, t); | |
558 | INHERIT (to_terminal_ours_for_output, t); | |
559 | INHERIT (to_terminal_ours, t); | |
560 | INHERIT (to_terminal_info, t); | |
561 | INHERIT (to_kill, t); | |
562 | INHERIT (to_load, t); | |
563 | INHERIT (to_lookup_symbol, t); | |
564 | INHERIT (to_create_inferior, t); | |
565 | INHERIT (to_post_startup_inferior, t); | |
566 | INHERIT (to_acknowledge_created_inferior, t); | |
567 | INHERIT (to_clone_and_follow_inferior, t); | |
568 | INHERIT (to_post_follow_inferior_by_clone, t); | |
569 | INHERIT (to_insert_fork_catchpoint, t); | |
570 | INHERIT (to_remove_fork_catchpoint, t); | |
571 | INHERIT (to_insert_vfork_catchpoint, t); | |
572 | INHERIT (to_remove_vfork_catchpoint, t); | |
573 | INHERIT (to_has_forked, t); | |
574 | INHERIT (to_has_vforked, t); | |
575 | INHERIT (to_can_follow_vfork_prior_to_exec, t); | |
576 | INHERIT (to_post_follow_vfork, t); | |
577 | INHERIT (to_insert_exec_catchpoint, t); | |
578 | INHERIT (to_remove_exec_catchpoint, t); | |
579 | INHERIT (to_has_execd, t); | |
580 | INHERIT (to_reported_exec_events_per_exec_call, t); | |
581 | INHERIT (to_has_syscall_event, t); | |
582 | INHERIT (to_has_exited, t); | |
583 | INHERIT (to_mourn_inferior, t); | |
584 | INHERIT (to_can_run, t); | |
585 | INHERIT (to_notice_signals, t); | |
586 | INHERIT (to_thread_alive, t); | |
b83266a0 | 587 | INHERIT (to_find_new_threads, t); |
ed9a39eb | 588 | INHERIT (to_pid_to_str, t); |
0d06e24b | 589 | INHERIT (to_extra_thread_info, t); |
c906108c SS |
590 | INHERIT (to_stop, t); |
591 | INHERIT (to_query, t); | |
96baa820 | 592 | INHERIT (to_rcmd, t); |
c906108c SS |
593 | INHERIT (to_enable_exception_callback, t); |
594 | INHERIT (to_get_current_exception_event, t); | |
595 | INHERIT (to_pid_to_exec_file, t); | |
c906108c SS |
596 | INHERIT (to_stratum, t); |
597 | INHERIT (DONT_USE, t); | |
598 | INHERIT (to_has_all_memory, t); | |
599 | INHERIT (to_has_memory, t); | |
600 | INHERIT (to_has_stack, t); | |
601 | INHERIT (to_has_registers, t); | |
602 | INHERIT (to_has_execution, t); | |
603 | INHERIT (to_has_thread_control, t); | |
604 | INHERIT (to_sections, t); | |
605 | INHERIT (to_sections_end, t); | |
6426a772 JM |
606 | INHERIT (to_can_async_p, t); |
607 | INHERIT (to_is_async_p, t); | |
608 | INHERIT (to_async, t); | |
ed9a39eb | 609 | INHERIT (to_async_mask_value, t); |
c906108c SS |
610 | INHERIT (to_magic, t); |
611 | ||
612 | #undef INHERIT | |
613 | } | |
614 | } | |
615 | ||
616 | /* Push a new target type into the stack of the existing target accessors, | |
617 | possibly superseding some of the existing accessors. | |
618 | ||
619 | Result is zero if the pushed target ended up on top of the stack, | |
620 | nonzero if at least one target is on top of it. | |
621 | ||
622 | Rather than allow an empty stack, we always have the dummy target at | |
623 | the bottom stratum, so we can call the function vectors without | |
624 | checking them. */ | |
625 | ||
626 | int | |
fba45db2 | 627 | push_target (struct target_ops *t) |
c906108c SS |
628 | { |
629 | struct target_stack_item *cur, *prev, *tmp; | |
630 | ||
631 | /* Check magic number. If wrong, it probably means someone changed | |
632 | the struct definition, but not all the places that initialize one. */ | |
633 | if (t->to_magic != OPS_MAGIC) | |
634 | { | |
c5aa993b JM |
635 | fprintf_unfiltered (gdb_stderr, |
636 | "Magic number of %s target struct wrong\n", | |
637 | t->to_shortname); | |
e1e9e218 | 638 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
639 | } |
640 | ||
641 | /* Find the proper stratum to install this target in. */ | |
642 | ||
643 | for (prev = NULL, cur = target_stack; cur; prev = cur, cur = cur->next) | |
644 | { | |
c5aa993b | 645 | if ((int) (t->to_stratum) >= (int) (cur->target_ops->to_stratum)) |
c906108c SS |
646 | break; |
647 | } | |
648 | ||
649 | /* If there's already targets at this stratum, remove them. */ | |
650 | ||
651 | if (cur) | |
652 | while (t->to_stratum == cur->target_ops->to_stratum) | |
653 | { | |
654 | /* There's already something on this stratum. Close it off. */ | |
655 | if (cur->target_ops->to_close) | |
656 | (cur->target_ops->to_close) (0); | |
657 | if (prev) | |
c5aa993b | 658 | prev->next = cur->next; /* Unchain old target_ops */ |
c906108c | 659 | else |
c5aa993b | 660 | target_stack = cur->next; /* Unchain first on list */ |
c906108c | 661 | tmp = cur->next; |
b8c9b27d | 662 | xfree (cur); |
c906108c SS |
663 | cur = tmp; |
664 | } | |
665 | ||
666 | /* We have removed all targets in our stratum, now add the new one. */ | |
667 | ||
668 | tmp = (struct target_stack_item *) | |
669 | xmalloc (sizeof (struct target_stack_item)); | |
670 | tmp->next = cur; | |
671 | tmp->target_ops = t; | |
672 | ||
673 | if (prev) | |
674 | prev->next = tmp; | |
675 | else | |
676 | target_stack = tmp; | |
677 | ||
678 | update_current_target (); | |
679 | ||
c5aa993b | 680 | cleanup_target (¤t_target); /* Fill in the gaps */ |
c906108c | 681 | |
c906108c SS |
682 | if (targetdebug) |
683 | setup_target_debug (); | |
c906108c SS |
684 | |
685 | return prev != 0; | |
686 | } | |
687 | ||
688 | /* Remove a target_ops vector from the stack, wherever it may be. | |
689 | Return how many times it was removed (0 or 1). */ | |
690 | ||
691 | int | |
fba45db2 | 692 | unpush_target (struct target_ops *t) |
c906108c SS |
693 | { |
694 | struct target_stack_item *cur, *prev; | |
695 | ||
696 | if (t->to_close) | |
697 | t->to_close (0); /* Let it clean up */ | |
698 | ||
699 | /* Look for the specified target. Note that we assume that a target | |
700 | can only occur once in the target stack. */ | |
701 | ||
702 | for (cur = target_stack, prev = NULL; cur; prev = cur, cur = cur->next) | |
703 | if (cur->target_ops == t) | |
704 | break; | |
705 | ||
706 | if (!cur) | |
707 | return 0; /* Didn't find target_ops, quit now */ | |
708 | ||
709 | /* Unchain the target */ | |
710 | ||
711 | if (!prev) | |
712 | target_stack = cur->next; | |
713 | else | |
714 | prev->next = cur->next; | |
715 | ||
b8c9b27d | 716 | xfree (cur); /* Release the target_stack_item */ |
c906108c SS |
717 | |
718 | update_current_target (); | |
719 | cleanup_target (¤t_target); | |
720 | ||
721 | return 1; | |
722 | } | |
723 | ||
724 | void | |
fba45db2 | 725 | pop_target (void) |
c906108c | 726 | { |
c5aa993b | 727 | (current_target.to_close) (0); /* Let it clean up */ |
c906108c SS |
728 | if (unpush_target (target_stack->target_ops) == 1) |
729 | return; | |
730 | ||
c5aa993b JM |
731 | fprintf_unfiltered (gdb_stderr, |
732 | "pop_target couldn't find target %s\n", | |
733 | current_target.to_shortname); | |
e1e9e218 | 734 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
735 | } |
736 | ||
737 | #undef MIN | |
738 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
739 | ||
740 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
741 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
742 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
743 | is responsible for freeing it. Return the number of bytes successfully | |
744 | read. */ | |
745 | ||
746 | int | |
fba45db2 | 747 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
748 | { |
749 | int tlen, origlen, offset, i; | |
750 | char buf[4]; | |
751 | int errcode = 0; | |
752 | char *buffer; | |
753 | int buffer_allocated; | |
754 | char *bufptr; | |
755 | unsigned int nbytes_read = 0; | |
756 | ||
757 | /* Small for testing. */ | |
758 | buffer_allocated = 4; | |
759 | buffer = xmalloc (buffer_allocated); | |
760 | bufptr = buffer; | |
761 | ||
762 | origlen = len; | |
763 | ||
764 | while (len > 0) | |
765 | { | |
766 | tlen = MIN (len, 4 - (memaddr & 3)); | |
767 | offset = memaddr & 3; | |
768 | ||
d4b2399a | 769 | errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0); |
c906108c SS |
770 | if (errcode != 0) |
771 | { | |
772 | /* The transfer request might have crossed the boundary to an | |
773 | unallocated region of memory. Retry the transfer, requesting | |
774 | a single byte. */ | |
775 | tlen = 1; | |
776 | offset = 0; | |
d4b2399a | 777 | errcode = target_xfer_memory (memaddr, buf, 1, 0); |
c906108c SS |
778 | if (errcode != 0) |
779 | goto done; | |
780 | } | |
781 | ||
782 | if (bufptr - buffer + tlen > buffer_allocated) | |
783 | { | |
784 | unsigned int bytes; | |
785 | bytes = bufptr - buffer; | |
786 | buffer_allocated *= 2; | |
787 | buffer = xrealloc (buffer, buffer_allocated); | |
788 | bufptr = buffer + bytes; | |
789 | } | |
790 | ||
791 | for (i = 0; i < tlen; i++) | |
792 | { | |
793 | *bufptr++ = buf[i + offset]; | |
794 | if (buf[i + offset] == '\000') | |
795 | { | |
796 | nbytes_read += i + 1; | |
797 | goto done; | |
798 | } | |
799 | } | |
800 | ||
801 | memaddr += tlen; | |
802 | len -= tlen; | |
803 | nbytes_read += tlen; | |
804 | } | |
c5aa993b | 805 | done: |
c906108c SS |
806 | if (errnop != NULL) |
807 | *errnop = errcode; | |
808 | if (string != NULL) | |
809 | *string = buffer; | |
810 | return nbytes_read; | |
811 | } | |
812 | ||
813 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in | |
814 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
815 | if any error occurs. | |
816 | ||
817 | If an error occurs, no guarantee is made about the contents of the data at | |
818 | MYADDR. In particular, the caller should not depend upon partial reads | |
819 | filling the buffer with good data. There is no way for the caller to know | |
820 | how much good data might have been transfered anyway. Callers that can | |
821 | deal with partial reads should call target_read_memory_partial. */ | |
822 | ||
823 | int | |
fba45db2 | 824 | target_read_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 825 | { |
d4b2399a | 826 | return target_xfer_memory (memaddr, myaddr, len, 0); |
c906108c SS |
827 | } |
828 | ||
c906108c | 829 | int |
fba45db2 | 830 | target_write_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 831 | { |
d4b2399a | 832 | return target_xfer_memory (memaddr, myaddr, len, 1); |
c906108c | 833 | } |
c5aa993b | 834 | |
67e0617e C |
835 | /* Move memory to or from the targets. The top target gets priority; |
836 | if it cannot handle it, it is offered to the next one down, etc. | |
c906108c | 837 | |
67e0617e | 838 | Result is -1 on error, or the number of bytes transfered. */ |
c906108c | 839 | |
4930751a | 840 | int |
29e57380 C |
841 | do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
842 | struct mem_attrib *attrib) | |
c906108c | 843 | { |
c906108c | 844 | int res; |
4930751a | 845 | int done = 0; |
c906108c SS |
846 | struct target_ops *t; |
847 | struct target_stack_item *item; | |
848 | ||
849 | /* Zero length requests are ok and require no work. */ | |
850 | if (len == 0) | |
851 | return 0; | |
852 | ||
c906108c SS |
853 | /* to_xfer_memory is not guaranteed to set errno, even when it returns |
854 | 0. */ | |
855 | errno = 0; | |
856 | ||
67e0617e | 857 | /* The quick case is that the top target can handle the transfer. */ |
c906108c | 858 | res = current_target.to_xfer_memory |
29e57380 | 859 | (memaddr, myaddr, len, write, attrib, ¤t_target); |
c906108c | 860 | |
67e0617e C |
861 | /* If res <= 0 then we call it again in the loop. Ah well. */ |
862 | if (res <= 0) | |
c906108c | 863 | { |
c906108c SS |
864 | for (item = target_stack; item; item = item->next) |
865 | { | |
866 | t = item->target_ops; | |
867 | if (!t->to_has_memory) | |
868 | continue; | |
869 | ||
29e57380 | 870 | res = t->to_xfer_memory (memaddr, myaddr, len, write, attrib, t); |
c906108c SS |
871 | if (res > 0) |
872 | break; /* Handled all or part of xfer */ | |
873 | if (t->to_has_all_memory) | |
874 | break; | |
875 | } | |
876 | ||
4930751a | 877 | if (res <= 0) |
67e0617e | 878 | return -1; |
4930751a | 879 | } |
67e0617e C |
880 | |
881 | return res; | |
4930751a C |
882 | } |
883 | ||
67e0617e C |
884 | |
885 | /* Perform a memory transfer. Iterate until the entire region has | |
886 | been transfered. | |
887 | ||
888 | Result is 0 or errno value. */ | |
889 | ||
4930751a C |
890 | static int |
891 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write) | |
892 | { | |
893 | int res; | |
29e57380 C |
894 | int reg_len; |
895 | struct mem_region *region; | |
4930751a C |
896 | |
897 | /* Zero length requests are ok and require no work. */ | |
898 | if (len == 0) | |
899 | { | |
900 | return 0; | |
901 | } | |
902 | ||
903 | while (len > 0) | |
904 | { | |
29e57380 C |
905 | region = lookup_mem_region(memaddr); |
906 | if (memaddr + len < region->hi) | |
907 | reg_len = len; | |
908 | else | |
909 | reg_len = region->hi - memaddr; | |
910 | ||
911 | switch (region->attrib.mode) | |
c906108c | 912 | { |
29e57380 C |
913 | case MEM_RO: |
914 | if (write) | |
915 | return EIO; | |
916 | break; | |
917 | ||
918 | case MEM_WO: | |
c906108c | 919 | if (!write) |
c906108c | 920 | return EIO; |
29e57380 | 921 | break; |
c906108c | 922 | } |
4930751a | 923 | |
29e57380 C |
924 | while (reg_len > 0) |
925 | { | |
926 | if (region->attrib.cache) | |
927 | res = dcache_xfer_memory(target_dcache, memaddr, myaddr, | |
928 | reg_len, write); | |
929 | else | |
930 | res = do_xfer_memory(memaddr, myaddr, reg_len, write, | |
931 | ®ion->attrib); | |
932 | ||
933 | if (res <= 0) | |
934 | { | |
935 | /* If this address is for nonexistent memory, read zeros | |
936 | if reading, or do nothing if writing. Return | |
937 | error. */ | |
938 | if (!write) | |
939 | memset (myaddr, 0, len); | |
940 | if (errno == 0) | |
941 | return EIO; | |
942 | else | |
943 | return errno; | |
944 | } | |
945 | ||
946 | memaddr += res; | |
947 | myaddr += res; | |
948 | len -= res; | |
949 | reg_len -= res; | |
950 | } | |
c906108c | 951 | } |
4930751a | 952 | |
c906108c SS |
953 | return 0; /* We managed to cover it all somehow. */ |
954 | } | |
955 | ||
956 | ||
67e0617e C |
957 | /* Perform a partial memory transfer. |
958 | ||
959 | Result is -1 on error, or the number of bytes transfered. */ | |
917317f4 JM |
960 | |
961 | static int | |
4930751a | 962 | target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len, |
917317f4 JM |
963 | int write_p, int *err) |
964 | { | |
965 | int res; | |
29e57380 C |
966 | int reg_len; |
967 | struct mem_region *region; | |
917317f4 JM |
968 | |
969 | /* Zero length requests are ok and require no work. */ | |
970 | if (len == 0) | |
971 | { | |
972 | *err = 0; | |
973 | return 0; | |
974 | } | |
975 | ||
29e57380 C |
976 | region = lookup_mem_region(memaddr); |
977 | if (memaddr + len < region->hi) | |
978 | reg_len = len; | |
979 | else | |
980 | reg_len = region->hi - memaddr; | |
981 | ||
982 | switch (region->attrib.mode) | |
983 | { | |
984 | case MEM_RO: | |
985 | if (write_p) | |
986 | { | |
987 | *err = EIO; | |
873406a6 | 988 | return -1; |
29e57380 C |
989 | } |
990 | break; | |
991 | ||
992 | case MEM_WO: | |
993 | if (write_p) | |
994 | { | |
995 | *err = EIO; | |
873406a6 | 996 | return -1; |
29e57380 C |
997 | } |
998 | break; | |
999 | } | |
1000 | ||
1001 | if (region->attrib.cache) | |
1002 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, | |
1003 | reg_len, write_p); | |
1004 | else | |
1005 | res = do_xfer_memory (memaddr, myaddr, reg_len, write_p, | |
1006 | ®ion->attrib); | |
1007 | ||
4930751a | 1008 | if (res <= 0) |
917317f4 | 1009 | { |
4930751a C |
1010 | if (errno != 0) |
1011 | *err = errno; | |
1012 | else | |
1013 | *err = EIO; | |
917317f4 | 1014 | |
4930751a | 1015 | return -1; |
917317f4 JM |
1016 | } |
1017 | ||
4930751a | 1018 | *err = 0; |
67e0617e | 1019 | return res; |
917317f4 JM |
1020 | } |
1021 | ||
1022 | int | |
1023 | target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1024 | { | |
1025 | return target_xfer_memory_partial (memaddr, buf, len, 0, err); | |
1026 | } | |
1027 | ||
1028 | int | |
1029 | target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1030 | { | |
1031 | return target_xfer_memory_partial (memaddr, buf, len, 1, err); | |
1032 | } | |
1033 | ||
c906108c SS |
1034 | /* ARGSUSED */ |
1035 | static void | |
fba45db2 | 1036 | target_info (char *args, int from_tty) |
c906108c SS |
1037 | { |
1038 | struct target_ops *t; | |
1039 | struct target_stack_item *item; | |
1040 | int has_all_mem = 0; | |
c5aa993b | 1041 | |
c906108c SS |
1042 | if (symfile_objfile != NULL) |
1043 | printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name); | |
1044 | ||
1045 | #ifdef FILES_INFO_HOOK | |
1046 | if (FILES_INFO_HOOK ()) | |
1047 | return; | |
1048 | #endif | |
1049 | ||
1050 | for (item = target_stack; item; item = item->next) | |
1051 | { | |
1052 | t = item->target_ops; | |
1053 | ||
1054 | if (!t->to_has_memory) | |
1055 | continue; | |
1056 | ||
c5aa993b | 1057 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1058 | continue; |
1059 | if (has_all_mem) | |
c5aa993b JM |
1060 | printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n"); |
1061 | printf_unfiltered ("%s:\n", t->to_longname); | |
1062 | (t->to_files_info) (t); | |
c906108c SS |
1063 | has_all_mem = t->to_has_all_memory; |
1064 | } | |
1065 | } | |
1066 | ||
1067 | /* This is to be called by the open routine before it does | |
1068 | anything. */ | |
1069 | ||
1070 | void | |
fba45db2 | 1071 | target_preopen (int from_tty) |
c906108c | 1072 | { |
c5aa993b | 1073 | dont_repeat (); |
c906108c SS |
1074 | |
1075 | if (target_has_execution) | |
c5aa993b | 1076 | { |
adf40b2e JM |
1077 | if (!from_tty |
1078 | || query ("A program is being debugged already. Kill it? ")) | |
c5aa993b | 1079 | target_kill (); |
c906108c | 1080 | else |
c5aa993b | 1081 | error ("Program not killed."); |
c906108c SS |
1082 | } |
1083 | ||
1084 | /* Calling target_kill may remove the target from the stack. But if | |
1085 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1086 | ||
1087 | if (target_has_execution) | |
1088 | pop_target (); | |
1089 | } | |
1090 | ||
1091 | /* Detach a target after doing deferred register stores. */ | |
1092 | ||
1093 | void | |
fba45db2 | 1094 | target_detach (char *args, int from_tty) |
c906108c SS |
1095 | { |
1096 | /* Handle any optimized stores to the inferior. */ | |
1097 | #ifdef DO_DEFERRED_STORES | |
1098 | DO_DEFERRED_STORES; | |
1099 | #endif | |
1100 | (current_target.to_detach) (args, from_tty); | |
1101 | } | |
1102 | ||
1103 | void | |
fba45db2 | 1104 | target_link (char *modname, CORE_ADDR *t_reloc) |
c906108c | 1105 | { |
c5aa993b | 1106 | if (STREQ (current_target.to_shortname, "rombug")) |
c906108c SS |
1107 | { |
1108 | (current_target.to_lookup_symbol) (modname, t_reloc); | |
1109 | if (*t_reloc == 0) | |
c5aa993b | 1110 | error ("Unable to link to %s and get relocation in rombug", modname); |
c906108c SS |
1111 | } |
1112 | else | |
2acceee2 | 1113 | *t_reloc = (CORE_ADDR) -1; |
c906108c SS |
1114 | } |
1115 | ||
ed9a39eb JM |
1116 | int |
1117 | target_async_mask (int mask) | |
1118 | { | |
1119 | int saved_async_masked_status = target_async_mask_value; | |
1120 | target_async_mask_value = mask; | |
1121 | return saved_async_masked_status; | |
1122 | } | |
1123 | ||
c906108c SS |
1124 | /* Look through the list of possible targets for a target that can |
1125 | execute a run or attach command without any other data. This is | |
1126 | used to locate the default process stratum. | |
1127 | ||
1128 | Result is always valid (error() is called for errors). */ | |
1129 | ||
1130 | static struct target_ops * | |
fba45db2 | 1131 | find_default_run_target (char *do_mesg) |
c906108c SS |
1132 | { |
1133 | struct target_ops **t; | |
1134 | struct target_ops *runable = NULL; | |
1135 | int count; | |
1136 | ||
1137 | count = 0; | |
1138 | ||
1139 | for (t = target_structs; t < target_structs + target_struct_size; | |
1140 | ++t) | |
1141 | { | |
c5aa993b | 1142 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1143 | { |
1144 | runable = *t; | |
1145 | ++count; | |
1146 | } | |
1147 | } | |
1148 | ||
1149 | if (count != 1) | |
1150 | error ("Don't know how to %s. Try \"help target\".", do_mesg); | |
1151 | ||
1152 | return runable; | |
1153 | } | |
1154 | ||
1155 | void | |
fba45db2 | 1156 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1157 | { |
1158 | struct target_ops *t; | |
1159 | ||
c5aa993b | 1160 | t = find_default_run_target ("attach"); |
c906108c SS |
1161 | (t->to_attach) (args, from_tty); |
1162 | return; | |
1163 | } | |
1164 | ||
1165 | void | |
fba45db2 | 1166 | find_default_require_attach (char *args, int from_tty) |
c906108c SS |
1167 | { |
1168 | struct target_ops *t; | |
1169 | ||
c5aa993b | 1170 | t = find_default_run_target ("require_attach"); |
c906108c SS |
1171 | (t->to_require_attach) (args, from_tty); |
1172 | return; | |
1173 | } | |
1174 | ||
1175 | void | |
fba45db2 | 1176 | find_default_require_detach (int pid, char *args, int from_tty) |
c906108c SS |
1177 | { |
1178 | struct target_ops *t; | |
1179 | ||
c5aa993b | 1180 | t = find_default_run_target ("require_detach"); |
c906108c SS |
1181 | (t->to_require_detach) (pid, args, from_tty); |
1182 | return; | |
1183 | } | |
1184 | ||
1185 | void | |
fba45db2 | 1186 | find_default_create_inferior (char *exec_file, char *allargs, char **env) |
c906108c SS |
1187 | { |
1188 | struct target_ops *t; | |
1189 | ||
c5aa993b | 1190 | t = find_default_run_target ("run"); |
c906108c SS |
1191 | (t->to_create_inferior) (exec_file, allargs, env); |
1192 | return; | |
1193 | } | |
1194 | ||
1195 | void | |
fba45db2 | 1196 | find_default_clone_and_follow_inferior (int child_pid, int *followed_child) |
c906108c SS |
1197 | { |
1198 | struct target_ops *t; | |
1199 | ||
c5aa993b | 1200 | t = find_default_run_target ("run"); |
c906108c SS |
1201 | (t->to_clone_and_follow_inferior) (child_pid, followed_child); |
1202 | return; | |
1203 | } | |
1204 | ||
1205 | static int | |
fba45db2 | 1206 | return_zero (void) |
c906108c SS |
1207 | { |
1208 | return 0; | |
1209 | } | |
1210 | ||
1211 | static int | |
fba45db2 | 1212 | return_one (void) |
c906108c SS |
1213 | { |
1214 | return 1; | |
1215 | } | |
1216 | ||
6426a772 JM |
1217 | /* |
1218 | * Resize the to_sections pointer. Also make sure that anyone that | |
1219 | * was holding on to an old value of it gets updated. | |
1220 | * Returns the old size. | |
1221 | */ | |
1222 | ||
1223 | int | |
1224 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1225 | { | |
1226 | struct target_ops **t; | |
1227 | struct section_table *old_value; | |
1228 | int old_count; | |
1229 | ||
1230 | old_value = target->to_sections; | |
1231 | ||
1232 | if (target->to_sections) | |
1233 | { | |
1234 | old_count = target->to_sections_end - target->to_sections; | |
1235 | target->to_sections = (struct section_table *) | |
1236 | xrealloc ((char *) target->to_sections, | |
1237 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1238 | } | |
1239 | else | |
1240 | { | |
1241 | old_count = 0; | |
1242 | target->to_sections = (struct section_table *) | |
1243 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1244 | } | |
1245 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1246 | ||
1247 | /* Check to see if anyone else was pointing to this structure. | |
1248 | If old_value was null, then no one was. */ | |
1249 | ||
1250 | if (old_value) | |
1251 | { | |
1252 | for (t = target_structs; t < target_structs + target_struct_size; | |
1253 | ++t) | |
1254 | { | |
1255 | if ((*t)->to_sections == old_value) | |
1256 | { | |
1257 | (*t)->to_sections = target->to_sections; | |
1258 | (*t)->to_sections_end = target->to_sections_end; | |
1259 | } | |
1260 | } | |
1261 | } | |
1262 | ||
1263 | return old_count; | |
1264 | ||
1265 | } | |
1266 | ||
07cd4b97 JB |
1267 | /* Remove all target sections taken from ABFD. |
1268 | ||
1269 | Scan the current target stack for targets whose section tables | |
1270 | refer to sections from BFD, and remove those sections. We use this | |
1271 | when we notice that the inferior has unloaded a shared object, for | |
1272 | example. */ | |
1273 | void | |
1274 | remove_target_sections (bfd *abfd) | |
1275 | { | |
1276 | struct target_ops **t; | |
1277 | ||
1278 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1279 | { | |
1280 | struct section_table *src, *dest; | |
1281 | ||
1282 | dest = (*t)->to_sections; | |
1283 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1284 | if (src->bfd != abfd) | |
1285 | { | |
1286 | /* Keep this section. */ | |
1287 | if (dest < src) *dest = *src; | |
1288 | dest++; | |
1289 | } | |
1290 | ||
1291 | /* If we've dropped any sections, resize the section table. */ | |
1292 | if (dest < src) | |
1293 | target_resize_to_sections (*t, dest - src); | |
1294 | } | |
1295 | } | |
1296 | ||
1297 | ||
1298 | ||
1299 | ||
7a292a7a SS |
1300 | /* Find a single runnable target in the stack and return it. If for |
1301 | some reason there is more than one, return NULL. */ | |
1302 | ||
1303 | struct target_ops * | |
fba45db2 | 1304 | find_run_target (void) |
7a292a7a SS |
1305 | { |
1306 | struct target_ops **t; | |
1307 | struct target_ops *runable = NULL; | |
1308 | int count; | |
c5aa993b | 1309 | |
7a292a7a | 1310 | count = 0; |
c5aa993b | 1311 | |
7a292a7a SS |
1312 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1313 | { | |
c5aa993b | 1314 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1315 | { |
1316 | runable = *t; | |
1317 | ++count; | |
1318 | } | |
1319 | } | |
c5aa993b | 1320 | |
7a292a7a SS |
1321 | return (count == 1 ? runable : NULL); |
1322 | } | |
1323 | ||
ed9a39eb JM |
1324 | /* Find a single core_stratum target in the list of targets and return it. |
1325 | If for some reason there is more than one, return NULL. */ | |
1326 | ||
c906108c | 1327 | struct target_ops * |
fba45db2 | 1328 | find_core_target (void) |
c906108c SS |
1329 | { |
1330 | struct target_ops **t; | |
1331 | struct target_ops *runable = NULL; | |
1332 | int count; | |
c5aa993b | 1333 | |
c906108c | 1334 | count = 0; |
c5aa993b | 1335 | |
c906108c SS |
1336 | for (t = target_structs; t < target_structs + target_struct_size; |
1337 | ++t) | |
1338 | { | |
1339 | if ((*t)->to_stratum == core_stratum) | |
1340 | { | |
1341 | runable = *t; | |
1342 | ++count; | |
1343 | } | |
1344 | } | |
c5aa993b JM |
1345 | |
1346 | return (count == 1 ? runable : NULL); | |
c906108c | 1347 | } |
ed9a39eb JM |
1348 | |
1349 | /* | |
1350 | * Find the next target down the stack from the specified target. | |
1351 | */ | |
1352 | ||
1353 | struct target_ops * | |
fba45db2 | 1354 | find_target_beneath (struct target_ops *t) |
ed9a39eb JM |
1355 | { |
1356 | struct target_stack_item *cur; | |
1357 | ||
1358 | for (cur = target_stack; cur; cur = cur->next) | |
1359 | if (cur->target_ops == t) | |
1360 | break; | |
1361 | ||
1362 | if (cur == NULL || cur->next == NULL) | |
1363 | return NULL; | |
1364 | else | |
1365 | return cur->next->target_ops; | |
1366 | } | |
1367 | ||
c906108c SS |
1368 | \f |
1369 | /* The inferior process has died. Long live the inferior! */ | |
1370 | ||
1371 | void | |
fba45db2 | 1372 | generic_mourn_inferior (void) |
c906108c SS |
1373 | { |
1374 | extern int show_breakpoint_hit_counts; | |
1375 | ||
39f77062 | 1376 | inferior_ptid = null_ptid; |
c906108c SS |
1377 | attach_flag = 0; |
1378 | breakpoint_init_inferior (inf_exited); | |
1379 | registers_changed (); | |
1380 | ||
1381 | #ifdef CLEAR_DEFERRED_STORES | |
1382 | /* Delete any pending stores to the inferior... */ | |
1383 | CLEAR_DEFERRED_STORES; | |
1384 | #endif | |
1385 | ||
1386 | reopen_exec_file (); | |
1387 | reinit_frame_cache (); | |
1388 | ||
1389 | /* It is confusing to the user for ignore counts to stick around | |
1390 | from previous runs of the inferior. So clear them. */ | |
1391 | /* However, it is more confusing for the ignore counts to disappear when | |
1392 | using hit counts. So don't clear them if we're counting hits. */ | |
1393 | if (!show_breakpoint_hit_counts) | |
1394 | breakpoint_clear_ignore_counts (); | |
c5b739b5 FN |
1395 | |
1396 | if (detach_hook) | |
1397 | detach_hook (); | |
c906108c SS |
1398 | } |
1399 | \f | |
c906108c SS |
1400 | /* Helper function for child_wait and the Lynx derivatives of child_wait. |
1401 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1402 | translation of that in OURSTATUS. */ | |
1403 | void | |
fba45db2 | 1404 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c SS |
1405 | { |
1406 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1407 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1408 | if it wants to deal with hoststatus. */ | |
1409 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1410 | return; | |
1411 | #endif | |
1412 | ||
1413 | if (WIFEXITED (hoststatus)) | |
1414 | { | |
1415 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1416 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1417 | } | |
1418 | else if (!WIFSTOPPED (hoststatus)) | |
1419 | { | |
1420 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1421 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1422 | } | |
1423 | else | |
1424 | { | |
1425 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1426 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1427 | } | |
1428 | } | |
1429 | \f | |
c906108c | 1430 | /* Returns zero to leave the inferior alone, one to interrupt it. */ |
507f3c78 | 1431 | int (*target_activity_function) (void); |
c906108c SS |
1432 | int target_activity_fd; |
1433 | \f | |
1434 | /* Convert a normal process ID to a string. Returns the string in a static | |
1435 | buffer. */ | |
1436 | ||
1437 | char * | |
39f77062 | 1438 | normal_pid_to_str (ptid_t ptid) |
c906108c SS |
1439 | { |
1440 | static char buf[30]; | |
1441 | ||
39f77062 | 1442 | sprintf (buf, "process %d", PIDGET (ptid)); |
c906108c SS |
1443 | return buf; |
1444 | } | |
1445 | ||
1446 | /* Some targets (such as ttrace-based HPUX) don't allow us to request | |
1447 | notification of inferior events such as fork and vork immediately | |
1448 | after the inferior is created. (This because of how gdb gets an | |
1449 | inferior created via invoking a shell to do it. In such a scenario, | |
1450 | if the shell init file has commands in it, the shell will fork and | |
1451 | exec for each of those commands, and we will see each such fork | |
1452 | event. Very bad.) | |
c5aa993b | 1453 | |
c906108c SS |
1454 | This function is used by all targets that allow us to request |
1455 | notification of forks, etc at inferior creation time; e.g., in | |
1456 | target_acknowledge_forked_child. | |
c5aa993b | 1457 | */ |
392a587b | 1458 | static void |
39f77062 | 1459 | normal_target_post_startup_inferior (ptid_t ptid) |
c906108c SS |
1460 | { |
1461 | /* This space intentionally left blank. */ | |
1462 | } | |
1463 | ||
1464 | /* Set up the handful of non-empty slots needed by the dummy target | |
1465 | vector. */ | |
1466 | ||
1467 | static void | |
fba45db2 | 1468 | init_dummy_target (void) |
c906108c SS |
1469 | { |
1470 | dummy_target.to_shortname = "None"; | |
1471 | dummy_target.to_longname = "None"; | |
1472 | dummy_target.to_doc = ""; | |
1473 | dummy_target.to_attach = find_default_attach; | |
1474 | dummy_target.to_require_attach = find_default_require_attach; | |
1475 | dummy_target.to_require_detach = find_default_require_detach; | |
1476 | dummy_target.to_create_inferior = find_default_create_inferior; | |
1477 | dummy_target.to_clone_and_follow_inferior = find_default_clone_and_follow_inferior; | |
ed9a39eb | 1478 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c SS |
1479 | dummy_target.to_stratum = dummy_stratum; |
1480 | dummy_target.to_magic = OPS_MAGIC; | |
1481 | } | |
c906108c | 1482 | \f |
c5aa993b | 1483 | |
c906108c SS |
1484 | static struct target_ops debug_target; |
1485 | ||
1486 | static void | |
fba45db2 | 1487 | debug_to_open (char *args, int from_tty) |
c906108c SS |
1488 | { |
1489 | debug_target.to_open (args, from_tty); | |
1490 | ||
96baa820 | 1491 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
1492 | } |
1493 | ||
1494 | static void | |
fba45db2 | 1495 | debug_to_close (int quitting) |
c906108c SS |
1496 | { |
1497 | debug_target.to_close (quitting); | |
1498 | ||
96baa820 | 1499 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
1500 | } |
1501 | ||
1502 | static void | |
fba45db2 | 1503 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
1504 | { |
1505 | debug_target.to_attach (args, from_tty); | |
1506 | ||
96baa820 | 1507 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
1508 | } |
1509 | ||
1510 | ||
1511 | static void | |
fba45db2 | 1512 | debug_to_post_attach (int pid) |
c906108c SS |
1513 | { |
1514 | debug_target.to_post_attach (pid); | |
1515 | ||
96baa820 | 1516 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
1517 | } |
1518 | ||
1519 | static void | |
fba45db2 | 1520 | debug_to_require_attach (char *args, int from_tty) |
c906108c SS |
1521 | { |
1522 | debug_target.to_require_attach (args, from_tty); | |
1523 | ||
96baa820 | 1524 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
1525 | "target_require_attach (%s, %d)\n", args, from_tty); |
1526 | } | |
1527 | ||
1528 | static void | |
fba45db2 | 1529 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
1530 | { |
1531 | debug_target.to_detach (args, from_tty); | |
1532 | ||
96baa820 | 1533 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
1534 | } |
1535 | ||
1536 | static void | |
fba45db2 | 1537 | debug_to_require_detach (int pid, char *args, int from_tty) |
c906108c SS |
1538 | { |
1539 | debug_target.to_require_detach (pid, args, from_tty); | |
1540 | ||
96baa820 | 1541 | fprintf_unfiltered (gdb_stdlog, |
c5aa993b | 1542 | "target_require_detach (%d, %s, %d)\n", pid, args, from_tty); |
c906108c SS |
1543 | } |
1544 | ||
1545 | static void | |
39f77062 | 1546 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 1547 | { |
39f77062 | 1548 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 1549 | |
39f77062 | 1550 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
1551 | step ? "step" : "continue", |
1552 | target_signal_to_name (siggnal)); | |
1553 | } | |
1554 | ||
39f77062 KB |
1555 | static ptid_t |
1556 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 1557 | { |
39f77062 | 1558 | ptid_t retval; |
c906108c | 1559 | |
39f77062 | 1560 | retval = debug_target.to_wait (ptid, status); |
c906108c | 1561 | |
96baa820 | 1562 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
1563 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
1564 | PIDGET (retval)); | |
96baa820 | 1565 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
1566 | switch (status->kind) |
1567 | { | |
1568 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 1569 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
1570 | status->value.integer); |
1571 | break; | |
1572 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 1573 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
1574 | target_signal_to_name (status->value.sig)); |
1575 | break; | |
1576 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 1577 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
1578 | target_signal_to_name (status->value.sig)); |
1579 | break; | |
1580 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 1581 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
1582 | break; |
1583 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 1584 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
1585 | break; |
1586 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 1587 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
1588 | break; |
1589 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 1590 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
1591 | break; |
1592 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 1593 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
1594 | break; |
1595 | default: | |
96baa820 | 1596 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
1597 | break; |
1598 | } | |
1599 | ||
1600 | return retval; | |
1601 | } | |
1602 | ||
1603 | static void | |
39f77062 | 1604 | debug_to_post_wait (ptid_t ptid, int status) |
c906108c | 1605 | { |
39f77062 | 1606 | debug_target.to_post_wait (ptid, status); |
c906108c | 1607 | |
96baa820 | 1608 | fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n", |
39f77062 | 1609 | PIDGET (ptid), status); |
c906108c SS |
1610 | } |
1611 | ||
1612 | static void | |
fba45db2 | 1613 | debug_to_fetch_registers (int regno) |
c906108c SS |
1614 | { |
1615 | debug_target.to_fetch_registers (regno); | |
1616 | ||
96baa820 | 1617 | fprintf_unfiltered (gdb_stdlog, "target_fetch_registers (%s)", |
c906108c SS |
1618 | regno != -1 ? REGISTER_NAME (regno) : "-1"); |
1619 | if (regno != -1) | |
104c1213 | 1620 | fprintf_unfiltered (gdb_stdlog, " = 0x%lx %ld", |
c906108c | 1621 | (unsigned long) read_register (regno), |
104c1213 | 1622 | (unsigned long) read_register (regno)); |
96baa820 | 1623 | fprintf_unfiltered (gdb_stdlog, "\n"); |
c906108c SS |
1624 | } |
1625 | ||
1626 | static void | |
fba45db2 | 1627 | debug_to_store_registers (int regno) |
c906108c SS |
1628 | { |
1629 | debug_target.to_store_registers (regno); | |
1630 | ||
1631 | if (regno >= 0 && regno < NUM_REGS) | |
104c1213 | 1632 | fprintf_unfiltered (gdb_stdlog, "target_store_registers (%s) = 0x%lx %ld\n", |
c906108c SS |
1633 | REGISTER_NAME (regno), |
1634 | (unsigned long) read_register (regno), | |
1635 | (unsigned long) read_register (regno)); | |
1636 | else | |
96baa820 | 1637 | fprintf_unfiltered (gdb_stdlog, "target_store_registers (%d)\n", regno); |
c906108c SS |
1638 | } |
1639 | ||
1640 | static void | |
fba45db2 | 1641 | debug_to_prepare_to_store (void) |
c906108c SS |
1642 | { |
1643 | debug_target.to_prepare_to_store (); | |
1644 | ||
96baa820 | 1645 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
1646 | } |
1647 | ||
1648 | static int | |
fba45db2 | 1649 | debug_to_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
29e57380 | 1650 | struct mem_attrib *attrib, |
fba45db2 | 1651 | struct target_ops *target) |
c906108c SS |
1652 | { |
1653 | int retval; | |
1654 | ||
29e57380 C |
1655 | retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, |
1656 | attrib, target); | |
c906108c | 1657 | |
96baa820 | 1658 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 1659 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 1660 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
1661 | len, write ? "write" : "read", retval); |
1662 | ||
c5aa993b | 1663 | |
c906108c SS |
1664 | |
1665 | if (retval > 0) | |
1666 | { | |
1667 | int i; | |
1668 | ||
96baa820 | 1669 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
1670 | for (i = 0; i < retval; i++) |
1671 | { | |
1672 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
96baa820 JM |
1673 | fprintf_unfiltered (gdb_stdlog, "\n"); |
1674 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); | |
c906108c SS |
1675 | } |
1676 | } | |
1677 | ||
96baa820 | 1678 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
1679 | |
1680 | return retval; | |
1681 | } | |
1682 | ||
1683 | static void | |
fba45db2 | 1684 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
1685 | { |
1686 | debug_target.to_files_info (target); | |
1687 | ||
96baa820 | 1688 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
1689 | } |
1690 | ||
1691 | static int | |
fba45db2 | 1692 | debug_to_insert_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1693 | { |
1694 | int retval; | |
1695 | ||
1696 | retval = debug_target.to_insert_breakpoint (addr, save); | |
1697 | ||
96baa820 | 1698 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1699 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
1700 | (unsigned long) addr, | |
1701 | (unsigned long) retval); | |
c906108c SS |
1702 | return retval; |
1703 | } | |
1704 | ||
1705 | static int | |
fba45db2 | 1706 | debug_to_remove_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1707 | { |
1708 | int retval; | |
1709 | ||
1710 | retval = debug_target.to_remove_breakpoint (addr, save); | |
1711 | ||
96baa820 | 1712 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1713 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
1714 | (unsigned long) addr, | |
1715 | (unsigned long) retval); | |
c906108c SS |
1716 | return retval; |
1717 | } | |
1718 | ||
1719 | static void | |
fba45db2 | 1720 | debug_to_terminal_init (void) |
c906108c SS |
1721 | { |
1722 | debug_target.to_terminal_init (); | |
1723 | ||
96baa820 | 1724 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
1725 | } |
1726 | ||
1727 | static void | |
fba45db2 | 1728 | debug_to_terminal_inferior (void) |
c906108c SS |
1729 | { |
1730 | debug_target.to_terminal_inferior (); | |
1731 | ||
96baa820 | 1732 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
1733 | } |
1734 | ||
1735 | static void | |
fba45db2 | 1736 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
1737 | { |
1738 | debug_target.to_terminal_ours_for_output (); | |
1739 | ||
96baa820 | 1740 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
1741 | } |
1742 | ||
1743 | static void | |
fba45db2 | 1744 | debug_to_terminal_ours (void) |
c906108c SS |
1745 | { |
1746 | debug_target.to_terminal_ours (); | |
1747 | ||
96baa820 | 1748 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
1749 | } |
1750 | ||
1751 | static void | |
fba45db2 | 1752 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
1753 | { |
1754 | debug_target.to_terminal_info (arg, from_tty); | |
1755 | ||
96baa820 | 1756 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
1757 | from_tty); |
1758 | } | |
1759 | ||
1760 | static void | |
fba45db2 | 1761 | debug_to_kill (void) |
c906108c SS |
1762 | { |
1763 | debug_target.to_kill (); | |
1764 | ||
96baa820 | 1765 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
1766 | } |
1767 | ||
1768 | static void | |
fba45db2 | 1769 | debug_to_load (char *args, int from_tty) |
c906108c SS |
1770 | { |
1771 | debug_target.to_load (args, from_tty); | |
1772 | ||
96baa820 | 1773 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
1774 | } |
1775 | ||
1776 | static int | |
fba45db2 | 1777 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
1778 | { |
1779 | int retval; | |
1780 | ||
1781 | retval = debug_target.to_lookup_symbol (name, addrp); | |
1782 | ||
96baa820 | 1783 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
1784 | |
1785 | return retval; | |
1786 | } | |
1787 | ||
1788 | static void | |
fba45db2 | 1789 | debug_to_create_inferior (char *exec_file, char *args, char **env) |
c906108c SS |
1790 | { |
1791 | debug_target.to_create_inferior (exec_file, args, env); | |
1792 | ||
96baa820 | 1793 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx)\n", |
c906108c SS |
1794 | exec_file, args); |
1795 | } | |
1796 | ||
1797 | static void | |
39f77062 | 1798 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 1799 | { |
39f77062 | 1800 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 1801 | |
96baa820 | 1802 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 1803 | PIDGET (ptid)); |
c906108c SS |
1804 | } |
1805 | ||
1806 | static void | |
fba45db2 | 1807 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
1808 | { |
1809 | debug_target.to_acknowledge_created_inferior (pid); | |
1810 | ||
96baa820 | 1811 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
1812 | pid); |
1813 | } | |
1814 | ||
1815 | static void | |
fba45db2 | 1816 | debug_to_clone_and_follow_inferior (int child_pid, int *followed_child) |
c906108c SS |
1817 | { |
1818 | debug_target.to_clone_and_follow_inferior (child_pid, followed_child); | |
1819 | ||
96baa820 | 1820 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
1821 | "target_clone_and_follow_inferior (%d, %d)\n", |
1822 | child_pid, *followed_child); | |
1823 | } | |
1824 | ||
1825 | static void | |
fba45db2 | 1826 | debug_to_post_follow_inferior_by_clone (void) |
c906108c SS |
1827 | { |
1828 | debug_target.to_post_follow_inferior_by_clone (); | |
1829 | ||
96baa820 | 1830 | fprintf_unfiltered (gdb_stdlog, "target_post_follow_inferior_by_clone ()\n"); |
c906108c SS |
1831 | } |
1832 | ||
1833 | static int | |
fba45db2 | 1834 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 1835 | { |
c5aa993b | 1836 | int retval; |
c906108c SS |
1837 | |
1838 | retval = debug_target.to_insert_fork_catchpoint (pid); | |
1839 | ||
96baa820 | 1840 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n", |
c5aa993b | 1841 | pid, retval); |
c906108c SS |
1842 | |
1843 | return retval; | |
1844 | } | |
1845 | ||
1846 | static int | |
fba45db2 | 1847 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 1848 | { |
c5aa993b | 1849 | int retval; |
c906108c SS |
1850 | |
1851 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
1852 | ||
96baa820 | 1853 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 1854 | pid, retval); |
c906108c SS |
1855 | |
1856 | return retval; | |
1857 | } | |
1858 | ||
1859 | static int | |
fba45db2 | 1860 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 1861 | { |
c5aa993b | 1862 | int retval; |
c906108c SS |
1863 | |
1864 | retval = debug_target.to_insert_vfork_catchpoint (pid); | |
1865 | ||
96baa820 | 1866 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n", |
c5aa993b | 1867 | pid, retval); |
c906108c SS |
1868 | |
1869 | return retval; | |
1870 | } | |
1871 | ||
1872 | static int | |
fba45db2 | 1873 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 1874 | { |
c5aa993b | 1875 | int retval; |
c906108c SS |
1876 | |
1877 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
1878 | ||
96baa820 | 1879 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 1880 | pid, retval); |
c906108c SS |
1881 | |
1882 | return retval; | |
1883 | } | |
1884 | ||
1885 | static int | |
fba45db2 | 1886 | debug_to_has_forked (int pid, int *child_pid) |
c906108c | 1887 | { |
c5aa993b | 1888 | int has_forked; |
c906108c SS |
1889 | |
1890 | has_forked = debug_target.to_has_forked (pid, child_pid); | |
1891 | ||
96baa820 | 1892 | fprintf_unfiltered (gdb_stdlog, "target_has_forked (%d, %d) = %d\n", |
c5aa993b | 1893 | pid, *child_pid, has_forked); |
c906108c SS |
1894 | |
1895 | return has_forked; | |
1896 | } | |
1897 | ||
1898 | static int | |
fba45db2 | 1899 | debug_to_has_vforked (int pid, int *child_pid) |
c906108c | 1900 | { |
c5aa993b | 1901 | int has_vforked; |
c906108c SS |
1902 | |
1903 | has_vforked = debug_target.to_has_vforked (pid, child_pid); | |
1904 | ||
96baa820 | 1905 | fprintf_unfiltered (gdb_stdlog, "target_has_vforked (%d, %d) = %d\n", |
c5aa993b | 1906 | pid, *child_pid, has_vforked); |
c906108c SS |
1907 | |
1908 | return has_vforked; | |
1909 | } | |
1910 | ||
1911 | static int | |
fba45db2 | 1912 | debug_to_can_follow_vfork_prior_to_exec (void) |
c906108c | 1913 | { |
c5aa993b | 1914 | int can_immediately_follow_vfork; |
c906108c SS |
1915 | |
1916 | can_immediately_follow_vfork = debug_target.to_can_follow_vfork_prior_to_exec (); | |
1917 | ||
96baa820 | 1918 | fprintf_unfiltered (gdb_stdlog, "target_can_follow_vfork_prior_to_exec () = %d\n", |
c5aa993b | 1919 | can_immediately_follow_vfork); |
c906108c SS |
1920 | |
1921 | return can_immediately_follow_vfork; | |
1922 | } | |
1923 | ||
1924 | static void | |
fba45db2 KB |
1925 | debug_to_post_follow_vfork (int parent_pid, int followed_parent, int child_pid, |
1926 | int followed_child) | |
c906108c SS |
1927 | { |
1928 | debug_target.to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child); | |
1929 | ||
96baa820 | 1930 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 1931 | "target_post_follow_vfork (%d, %d, %d, %d)\n", |
c5aa993b | 1932 | parent_pid, followed_parent, child_pid, followed_child); |
c906108c SS |
1933 | } |
1934 | ||
1935 | static int | |
fba45db2 | 1936 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 1937 | { |
c5aa993b | 1938 | int retval; |
c906108c SS |
1939 | |
1940 | retval = debug_target.to_insert_exec_catchpoint (pid); | |
1941 | ||
96baa820 | 1942 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n", |
c5aa993b | 1943 | pid, retval); |
c906108c SS |
1944 | |
1945 | return retval; | |
1946 | } | |
1947 | ||
1948 | static int | |
fba45db2 | 1949 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 1950 | { |
c5aa993b | 1951 | int retval; |
c906108c SS |
1952 | |
1953 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
1954 | ||
96baa820 | 1955 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 1956 | pid, retval); |
c906108c SS |
1957 | |
1958 | return retval; | |
1959 | } | |
1960 | ||
1961 | static int | |
fba45db2 | 1962 | debug_to_has_execd (int pid, char **execd_pathname) |
c906108c | 1963 | { |
c5aa993b | 1964 | int has_execd; |
c906108c SS |
1965 | |
1966 | has_execd = debug_target.to_has_execd (pid, execd_pathname); | |
1967 | ||
96baa820 | 1968 | fprintf_unfiltered (gdb_stdlog, "target_has_execd (%d, %s) = %d\n", |
c5aa993b | 1969 | pid, (*execd_pathname ? *execd_pathname : "<NULL>"), |
7a292a7a | 1970 | has_execd); |
c906108c SS |
1971 | |
1972 | return has_execd; | |
1973 | } | |
1974 | ||
1975 | static int | |
fba45db2 | 1976 | debug_to_reported_exec_events_per_exec_call (void) |
c906108c | 1977 | { |
c5aa993b | 1978 | int reported_exec_events; |
c906108c SS |
1979 | |
1980 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
1981 | ||
96baa820 | 1982 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 1983 | "target_reported_exec_events_per_exec_call () = %d\n", |
c5aa993b | 1984 | reported_exec_events); |
c906108c SS |
1985 | |
1986 | return reported_exec_events; | |
1987 | } | |
1988 | ||
1989 | static int | |
fba45db2 KB |
1990 | debug_to_has_syscall_event (int pid, enum target_waitkind *kind, |
1991 | int *syscall_id) | |
c906108c | 1992 | { |
c5aa993b JM |
1993 | int has_syscall_event; |
1994 | char *kind_spelling = "??"; | |
c906108c SS |
1995 | |
1996 | has_syscall_event = debug_target.to_has_syscall_event (pid, kind, syscall_id); | |
1997 | if (has_syscall_event) | |
1998 | { | |
1999 | switch (*kind) | |
c5aa993b JM |
2000 | { |
2001 | case TARGET_WAITKIND_SYSCALL_ENTRY: | |
2002 | kind_spelling = "SYSCALL_ENTRY"; | |
2003 | break; | |
2004 | case TARGET_WAITKIND_SYSCALL_RETURN: | |
2005 | kind_spelling = "SYSCALL_RETURN"; | |
2006 | break; | |
2007 | default: | |
2008 | break; | |
2009 | } | |
c906108c SS |
2010 | } |
2011 | ||
96baa820 | 2012 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2013 | "target_has_syscall_event (%d, %s, %d) = %d\n", |
c5aa993b | 2014 | pid, kind_spelling, *syscall_id, has_syscall_event); |
c906108c SS |
2015 | |
2016 | return has_syscall_event; | |
2017 | } | |
2018 | ||
2019 | static int | |
fba45db2 | 2020 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2021 | { |
c5aa993b | 2022 | int has_exited; |
c906108c SS |
2023 | |
2024 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2025 | ||
96baa820 | 2026 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2027 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2028 | |
2029 | return has_exited; | |
2030 | } | |
2031 | ||
2032 | static void | |
fba45db2 | 2033 | debug_to_mourn_inferior (void) |
c906108c SS |
2034 | { |
2035 | debug_target.to_mourn_inferior (); | |
2036 | ||
96baa820 | 2037 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2038 | } |
2039 | ||
2040 | static int | |
fba45db2 | 2041 | debug_to_can_run (void) |
c906108c SS |
2042 | { |
2043 | int retval; | |
2044 | ||
2045 | retval = debug_target.to_can_run (); | |
2046 | ||
96baa820 | 2047 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2048 | |
2049 | return retval; | |
2050 | } | |
2051 | ||
2052 | static void | |
39f77062 | 2053 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2054 | { |
39f77062 | 2055 | debug_target.to_notice_signals (ptid); |
c906108c | 2056 | |
39f77062 KB |
2057 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2058 | PIDGET (ptid)); | |
c906108c SS |
2059 | } |
2060 | ||
2061 | static int | |
39f77062 | 2062 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2063 | { |
2064 | int retval; | |
2065 | ||
39f77062 | 2066 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2067 | |
96baa820 | 2068 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2069 | PIDGET (ptid), retval); |
c906108c SS |
2070 | |
2071 | return retval; | |
2072 | } | |
2073 | ||
0d06e24b | 2074 | static void |
fba45db2 | 2075 | debug_to_find_new_threads (void) |
0d06e24b JM |
2076 | { |
2077 | debug_target.to_find_new_threads (); | |
2078 | ||
2079 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2080 | } | |
2081 | ||
c906108c | 2082 | static void |
fba45db2 | 2083 | debug_to_stop (void) |
c906108c SS |
2084 | { |
2085 | debug_target.to_stop (); | |
2086 | ||
96baa820 | 2087 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2088 | } |
2089 | ||
2090 | static int | |
fba45db2 | 2091 | debug_to_query (int type, char *req, char *resp, int *siz) |
c906108c SS |
2092 | { |
2093 | int retval; | |
2094 | ||
2095 | retval = debug_target.to_query (type, req, resp, siz); | |
2096 | ||
96baa820 | 2097 | fprintf_unfiltered (gdb_stdlog, "target_query (%c, %s, %s, %d) = %d\n", type, req, resp, *siz, retval); |
c906108c SS |
2098 | |
2099 | return retval; | |
2100 | } | |
2101 | ||
96baa820 JM |
2102 | static void |
2103 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2104 | struct ui_file *outbuf) |
96baa820 JM |
2105 | { |
2106 | debug_target.to_rcmd (command, outbuf); | |
2107 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2108 | } | |
2109 | ||
c906108c | 2110 | static struct symtab_and_line * |
fba45db2 | 2111 | debug_to_enable_exception_callback (enum exception_event_kind kind, int enable) |
c906108c | 2112 | { |
7a292a7a SS |
2113 | struct symtab_and_line *result; |
2114 | result = debug_target.to_enable_exception_callback (kind, enable); | |
96baa820 | 2115 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2116 | "target get_exception_callback_sal (%d, %d)\n", |
2117 | kind, enable); | |
7a292a7a | 2118 | return result; |
c906108c SS |
2119 | } |
2120 | ||
2121 | static struct exception_event_record * | |
fba45db2 | 2122 | debug_to_get_current_exception_event (void) |
c906108c | 2123 | { |
7a292a7a | 2124 | struct exception_event_record *result; |
c5aa993b | 2125 | result = debug_target.to_get_current_exception_event (); |
96baa820 | 2126 | fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n"); |
7a292a7a | 2127 | return result; |
c906108c SS |
2128 | } |
2129 | ||
2130 | static char * | |
fba45db2 | 2131 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2132 | { |
c5aa993b | 2133 | char *exec_file; |
c906108c SS |
2134 | |
2135 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2136 | ||
96baa820 | 2137 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2138 | pid, exec_file); |
c906108c SS |
2139 | |
2140 | return exec_file; | |
2141 | } | |
2142 | ||
c906108c | 2143 | static void |
fba45db2 | 2144 | setup_target_debug (void) |
c906108c SS |
2145 | { |
2146 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2147 | ||
2148 | current_target.to_open = debug_to_open; | |
2149 | current_target.to_close = debug_to_close; | |
2150 | current_target.to_attach = debug_to_attach; | |
2151 | current_target.to_post_attach = debug_to_post_attach; | |
2152 | current_target.to_require_attach = debug_to_require_attach; | |
2153 | current_target.to_detach = debug_to_detach; | |
2154 | current_target.to_require_detach = debug_to_require_detach; | |
2155 | current_target.to_resume = debug_to_resume; | |
2156 | current_target.to_wait = debug_to_wait; | |
2157 | current_target.to_post_wait = debug_to_post_wait; | |
2158 | current_target.to_fetch_registers = debug_to_fetch_registers; | |
2159 | current_target.to_store_registers = debug_to_store_registers; | |
2160 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
2161 | current_target.to_xfer_memory = debug_to_xfer_memory; | |
2162 | current_target.to_files_info = debug_to_files_info; | |
2163 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2164 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
2165 | current_target.to_terminal_init = debug_to_terminal_init; | |
2166 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2167 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2168 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
2169 | current_target.to_terminal_info = debug_to_terminal_info; | |
2170 | current_target.to_kill = debug_to_kill; | |
2171 | current_target.to_load = debug_to_load; | |
2172 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2173 | current_target.to_create_inferior = debug_to_create_inferior; | |
2174 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2175 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
2176 | current_target.to_clone_and_follow_inferior = debug_to_clone_and_follow_inferior; | |
2177 | current_target.to_post_follow_inferior_by_clone = debug_to_post_follow_inferior_by_clone; | |
2178 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; | |
2179 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2180 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2181 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
2182 | current_target.to_has_forked = debug_to_has_forked; | |
2183 | current_target.to_has_vforked = debug_to_has_vforked; | |
2184 | current_target.to_can_follow_vfork_prior_to_exec = debug_to_can_follow_vfork_prior_to_exec; | |
2185 | current_target.to_post_follow_vfork = debug_to_post_follow_vfork; | |
2186 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; | |
2187 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
2188 | current_target.to_has_execd = debug_to_has_execd; | |
2189 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; | |
2190 | current_target.to_has_syscall_event = debug_to_has_syscall_event; | |
2191 | current_target.to_has_exited = debug_to_has_exited; | |
2192 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2193 | current_target.to_can_run = debug_to_can_run; | |
2194 | current_target.to_notice_signals = debug_to_notice_signals; | |
2195 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 2196 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c SS |
2197 | current_target.to_stop = debug_to_stop; |
2198 | current_target.to_query = debug_to_query; | |
96baa820 | 2199 | current_target.to_rcmd = debug_to_rcmd; |
c906108c SS |
2200 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
2201 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
2202 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
c906108c SS |
2203 | |
2204 | } | |
c906108c | 2205 | \f |
c5aa993b JM |
2206 | |
2207 | static char targ_desc[] = | |
2208 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
2209 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
2210 | core-file, and process, if any), as well as the symbol file name."; | |
2211 | ||
96baa820 JM |
2212 | static void |
2213 | do_monitor_command (char *cmd, | |
2214 | int from_tty) | |
2215 | { | |
2b5fe715 AC |
2216 | if ((current_target.to_rcmd |
2217 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 2218 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
2219 | && (debug_target.to_rcmd |
2220 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
96baa820 JM |
2221 | { |
2222 | error ("\"monitor\" command not supported by this target.\n"); | |
2223 | } | |
2224 | target_rcmd (cmd, gdb_stdtarg); | |
2225 | } | |
2226 | ||
c906108c | 2227 | void |
fba45db2 | 2228 | initialize_targets (void) |
c906108c SS |
2229 | { |
2230 | init_dummy_target (); | |
2231 | push_target (&dummy_target); | |
2232 | ||
2233 | add_info ("target", target_info, targ_desc); | |
2234 | add_info ("files", target_info, targ_desc); | |
2235 | ||
c906108c | 2236 | add_show_from_set ( |
5d161b24 | 2237 | add_set_cmd ("target", class_maintenance, var_zinteger, |
c5aa993b JM |
2238 | (char *) &targetdebug, |
2239 | "Set target debugging.\n\ | |
5d161b24 DB |
2240 | When non-zero, target debugging is enabled.", &setdebuglist), |
2241 | &showdebuglist); | |
c906108c | 2242 | |
96baa820 JM |
2243 | |
2244 | add_com ("monitor", class_obscure, do_monitor_command, | |
2245 | "Send a command to the remote monitor (remote targets only)."); | |
2246 | ||
4930751a | 2247 | target_dcache = dcache_init(); |
c906108c | 2248 | } |