Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Select target systems and architectures at runtime for GDB. |
b6ba6518 | 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
be4d1333 MS |
3 | 2000, 2001, 2002 |
4 | Free Software Foundation, Inc. | |
c906108c SS |
5 | Contributed by Cygnus Support. |
6 | ||
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b JM |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
23 | |
24 | #include "defs.h" | |
25 | #include <errno.h> | |
c906108c SS |
26 | #include "gdb_string.h" |
27 | #include "target.h" | |
28 | #include "gdbcmd.h" | |
29 | #include "symtab.h" | |
30 | #include "inferior.h" | |
31 | #include "bfd.h" | |
32 | #include "symfile.h" | |
33 | #include "objfiles.h" | |
03f2053f | 34 | #include "gdb_wait.h" |
4930751a | 35 | #include "dcache.h" |
c906108c | 36 | #include <signal.h> |
4e052eda | 37 | #include "regcache.h" |
c906108c SS |
38 | |
39 | extern int errno; | |
40 | ||
a14ed312 | 41 | static void target_info (char *, int); |
c906108c | 42 | |
a14ed312 | 43 | static void cleanup_target (struct target_ops *); |
c906108c | 44 | |
a14ed312 | 45 | static void maybe_kill_then_create_inferior (char *, char *, char **); |
c906108c | 46 | |
a14ed312 | 47 | static void default_clone_and_follow_inferior (int, int *); |
c906108c | 48 | |
a14ed312 | 49 | static void maybe_kill_then_attach (char *, int); |
c906108c | 50 | |
a14ed312 | 51 | static void kill_or_be_killed (int); |
c906108c | 52 | |
a14ed312 | 53 | static void default_terminal_info (char *, int); |
c906108c | 54 | |
ccaa32c7 GS |
55 | static int default_region_size_ok_for_hw_watchpoint (int); |
56 | ||
a14ed312 | 57 | static int nosymbol (char *, CORE_ADDR *); |
c906108c | 58 | |
a14ed312 | 59 | static void tcomplain (void); |
c906108c | 60 | |
a14ed312 | 61 | static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *); |
c906108c | 62 | |
a14ed312 | 63 | static int return_zero (void); |
c906108c | 64 | |
a14ed312 | 65 | static int return_one (void); |
c906108c | 66 | |
ccaa32c7 GS |
67 | static int return_minus_one (void); |
68 | ||
a14ed312 | 69 | void target_ignore (void); |
c906108c | 70 | |
a14ed312 | 71 | static void target_command (char *, int); |
c906108c | 72 | |
a14ed312 | 73 | static struct target_ops *find_default_run_target (char *); |
c906108c | 74 | |
a14ed312 | 75 | static void update_current_target (void); |
c906108c | 76 | |
a14ed312 | 77 | static void nosupport_runtime (void); |
392a587b | 78 | |
39f77062 | 79 | static void normal_target_post_startup_inferior (ptid_t ptid); |
392a587b | 80 | |
917317f4 JM |
81 | /* Transfer LEN bytes between target address MEMADDR and GDB address |
82 | MYADDR. Returns 0 for success, errno code for failure (which | |
83 | includes partial transfers -- if you want a more useful response to | |
84 | partial transfers, try either target_read_memory_partial or | |
85 | target_write_memory_partial). */ | |
c906108c SS |
86 | |
87 | static int | |
a14ed312 | 88 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write); |
c906108c | 89 | |
a14ed312 | 90 | static void init_dummy_target (void); |
c906108c | 91 | |
a14ed312 | 92 | static void debug_to_open (char *, int); |
c906108c | 93 | |
a14ed312 | 94 | static void debug_to_close (int); |
c906108c | 95 | |
a14ed312 | 96 | static void debug_to_attach (char *, int); |
c906108c | 97 | |
a14ed312 | 98 | static void debug_to_detach (char *, int); |
c906108c | 99 | |
39f77062 | 100 | static void debug_to_resume (ptid_t, int, enum target_signal); |
c906108c | 101 | |
39f77062 | 102 | static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *); |
c906108c | 103 | |
a14ed312 | 104 | static void debug_to_fetch_registers (int); |
c906108c | 105 | |
a14ed312 | 106 | static void debug_to_store_registers (int); |
c906108c | 107 | |
a14ed312 | 108 | static void debug_to_prepare_to_store (void); |
c906108c | 109 | |
5ae5f592 AC |
110 | static int debug_to_xfer_memory (CORE_ADDR, char *, int, int, |
111 | struct mem_attrib *, struct target_ops *); | |
c906108c | 112 | |
a14ed312 | 113 | static void debug_to_files_info (struct target_ops *); |
c906108c | 114 | |
a14ed312 | 115 | static int debug_to_insert_breakpoint (CORE_ADDR, char *); |
c906108c | 116 | |
a14ed312 | 117 | static int debug_to_remove_breakpoint (CORE_ADDR, char *); |
c906108c | 118 | |
ccaa32c7 GS |
119 | static int debug_to_can_use_hw_breakpoint (int, int, int); |
120 | ||
121 | static int debug_to_insert_hw_breakpoint (CORE_ADDR, char *); | |
122 | ||
123 | static int debug_to_remove_hw_breakpoint (CORE_ADDR, char *); | |
124 | ||
125 | static int debug_to_insert_watchpoint (CORE_ADDR, int, int); | |
126 | ||
127 | static int debug_to_remove_watchpoint (CORE_ADDR, int, int); | |
128 | ||
129 | static int debug_to_stopped_by_watchpoint (void); | |
130 | ||
131 | static CORE_ADDR debug_to_stopped_data_address (void); | |
132 | ||
133 | static int debug_to_region_size_ok_for_hw_watchpoint (int); | |
134 | ||
a14ed312 | 135 | static void debug_to_terminal_init (void); |
c906108c | 136 | |
a14ed312 | 137 | static void debug_to_terminal_inferior (void); |
c906108c | 138 | |
a14ed312 | 139 | static void debug_to_terminal_ours_for_output (void); |
c906108c | 140 | |
a790ad35 SC |
141 | static void debug_to_terminal_save_ours (void); |
142 | ||
a14ed312 | 143 | static void debug_to_terminal_ours (void); |
c906108c | 144 | |
a14ed312 | 145 | static void debug_to_terminal_info (char *, int); |
c906108c | 146 | |
a14ed312 | 147 | static void debug_to_kill (void); |
c906108c | 148 | |
a14ed312 | 149 | static void debug_to_load (char *, int); |
c906108c | 150 | |
a14ed312 | 151 | static int debug_to_lookup_symbol (char *, CORE_ADDR *); |
c906108c | 152 | |
a14ed312 | 153 | static void debug_to_create_inferior (char *, char *, char **); |
c906108c | 154 | |
a14ed312 | 155 | static void debug_to_mourn_inferior (void); |
c906108c | 156 | |
a14ed312 | 157 | static int debug_to_can_run (void); |
c906108c | 158 | |
39f77062 | 159 | static void debug_to_notice_signals (ptid_t); |
c906108c | 160 | |
39f77062 | 161 | static int debug_to_thread_alive (ptid_t); |
c906108c | 162 | |
a14ed312 | 163 | static void debug_to_stop (void); |
c906108c | 164 | |
a14ed312 | 165 | static int debug_to_query (int /*char */ , char *, char *, int *); |
c906108c SS |
166 | |
167 | /* Pointer to array of target architecture structures; the size of the | |
168 | array; the current index into the array; the allocated size of the | |
169 | array. */ | |
170 | struct target_ops **target_structs; | |
171 | unsigned target_struct_size; | |
172 | unsigned target_struct_index; | |
173 | unsigned target_struct_allocsize; | |
174 | #define DEFAULT_ALLOCSIZE 10 | |
175 | ||
176 | /* The initial current target, so that there is always a semi-valid | |
177 | current target. */ | |
178 | ||
179 | static struct target_ops dummy_target; | |
180 | ||
181 | /* Top of target stack. */ | |
182 | ||
183 | struct target_stack_item *target_stack; | |
184 | ||
185 | /* The target structure we are currently using to talk to a process | |
186 | or file or whatever "inferior" we have. */ | |
187 | ||
188 | struct target_ops current_target; | |
189 | ||
190 | /* Command list for target. */ | |
191 | ||
192 | static struct cmd_list_element *targetlist = NULL; | |
193 | ||
194 | /* Nonzero if we are debugging an attached outside process | |
195 | rather than an inferior. */ | |
196 | ||
197 | int attach_flag; | |
198 | ||
c906108c SS |
199 | /* Non-zero if we want to see trace of target level stuff. */ |
200 | ||
201 | static int targetdebug = 0; | |
202 | ||
a14ed312 | 203 | static void setup_target_debug (void); |
c906108c | 204 | |
4930751a C |
205 | DCACHE *target_dcache; |
206 | ||
c906108c SS |
207 | /* The user just typed 'target' without the name of a target. */ |
208 | ||
209 | /* ARGSUSED */ | |
210 | static void | |
fba45db2 | 211 | target_command (char *arg, int from_tty) |
c906108c SS |
212 | { |
213 | fputs_filtered ("Argument required (target name). Try `help target'\n", | |
214 | gdb_stdout); | |
215 | } | |
216 | ||
217 | /* Add a possible target architecture to the list. */ | |
218 | ||
219 | void | |
fba45db2 | 220 | add_target (struct target_ops *t) |
c906108c SS |
221 | { |
222 | if (!target_structs) | |
223 | { | |
224 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
225 | target_structs = (struct target_ops **) xmalloc | |
226 | (target_struct_allocsize * sizeof (*target_structs)); | |
227 | } | |
228 | if (target_struct_size >= target_struct_allocsize) | |
229 | { | |
230 | target_struct_allocsize *= 2; | |
231 | target_structs = (struct target_ops **) | |
c5aa993b JM |
232 | xrealloc ((char *) target_structs, |
233 | target_struct_allocsize * sizeof (*target_structs)); | |
c906108c SS |
234 | } |
235 | target_structs[target_struct_size++] = t; | |
c5aa993b | 236 | /* cleanup_target (t); */ |
c906108c SS |
237 | |
238 | if (targetlist == NULL) | |
239 | add_prefix_cmd ("target", class_run, target_command, | |
240 | "Connect to a target machine or process.\n\ | |
241 | The first argument is the type or protocol of the target machine.\n\ | |
242 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
243 | information on the arguments for a particular protocol, type\n\ | |
244 | `help target ' followed by the protocol name.", | |
245 | &targetlist, "target ", 0, &cmdlist); | |
246 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
247 | } | |
248 | ||
249 | /* Stub functions */ | |
250 | ||
251 | void | |
fba45db2 | 252 | target_ignore (void) |
c906108c SS |
253 | { |
254 | } | |
255 | ||
11cf8741 JM |
256 | void |
257 | target_load (char *arg, int from_tty) | |
258 | { | |
4930751a | 259 | dcache_invalidate (target_dcache); |
11cf8741 JM |
260 | (*current_target.to_load) (arg, from_tty); |
261 | } | |
262 | ||
c906108c SS |
263 | /* ARGSUSED */ |
264 | static int | |
fba45db2 KB |
265 | nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
266 | struct target_ops *t) | |
c906108c | 267 | { |
c5aa993b JM |
268 | errno = EIO; /* Can't read/write this location */ |
269 | return 0; /* No bytes handled */ | |
c906108c SS |
270 | } |
271 | ||
272 | static void | |
fba45db2 | 273 | tcomplain (void) |
c906108c SS |
274 | { |
275 | error ("You can't do that when your target is `%s'", | |
276 | current_target.to_shortname); | |
277 | } | |
278 | ||
279 | void | |
fba45db2 | 280 | noprocess (void) |
c906108c SS |
281 | { |
282 | error ("You can't do that without a process to debug."); | |
283 | } | |
284 | ||
285 | /* ARGSUSED */ | |
286 | static int | |
fba45db2 | 287 | nosymbol (char *name, CORE_ADDR *addrp) |
c906108c | 288 | { |
c5aa993b | 289 | return 1; /* Symbol does not exist in target env */ |
c906108c SS |
290 | } |
291 | ||
292 | /* ARGSUSED */ | |
392a587b | 293 | static void |
fba45db2 | 294 | nosupport_runtime (void) |
c906108c | 295 | { |
39f77062 | 296 | if (ptid_equal (inferior_ptid, null_ptid)) |
c906108c SS |
297 | noprocess (); |
298 | else | |
299 | error ("No run-time support for this"); | |
300 | } | |
301 | ||
302 | ||
303 | /* ARGSUSED */ | |
304 | static void | |
fba45db2 | 305 | default_terminal_info (char *args, int from_tty) |
c906108c | 306 | { |
c5aa993b | 307 | printf_unfiltered ("No saved terminal information.\n"); |
c906108c SS |
308 | } |
309 | ||
310 | /* This is the default target_create_inferior and target_attach function. | |
311 | If the current target is executing, it asks whether to kill it off. | |
312 | If this function returns without calling error(), it has killed off | |
313 | the target, and the operation should be attempted. */ | |
314 | ||
315 | static void | |
fba45db2 | 316 | kill_or_be_killed (int from_tty) |
c906108c SS |
317 | { |
318 | if (target_has_execution) | |
319 | { | |
320 | printf_unfiltered ("You are already running a program:\n"); | |
321 | target_files_info (); | |
c5aa993b JM |
322 | if (query ("Kill it? ")) |
323 | { | |
324 | target_kill (); | |
325 | if (target_has_execution) | |
326 | error ("Killing the program did not help."); | |
327 | return; | |
328 | } | |
329 | else | |
330 | { | |
331 | error ("Program not killed."); | |
332 | } | |
c906108c | 333 | } |
c5aa993b | 334 | tcomplain (); |
c906108c SS |
335 | } |
336 | ||
337 | static void | |
fba45db2 | 338 | maybe_kill_then_attach (char *args, int from_tty) |
c906108c SS |
339 | { |
340 | kill_or_be_killed (from_tty); | |
341 | target_attach (args, from_tty); | |
342 | } | |
343 | ||
344 | static void | |
fba45db2 | 345 | maybe_kill_then_create_inferior (char *exec, char *args, char **env) |
c906108c SS |
346 | { |
347 | kill_or_be_killed (0); | |
348 | target_create_inferior (exec, args, env); | |
349 | } | |
350 | ||
351 | static void | |
fba45db2 | 352 | default_clone_and_follow_inferior (int child_pid, int *followed_child) |
c906108c SS |
353 | { |
354 | target_clone_and_follow_inferior (child_pid, followed_child); | |
355 | } | |
356 | ||
357 | /* Clean up a target struct so it no longer has any zero pointers in it. | |
358 | We default entries, at least to stubs that print error messages. */ | |
359 | ||
360 | static void | |
fba45db2 | 361 | cleanup_target (struct target_ops *t) |
c906108c SS |
362 | { |
363 | ||
364 | #define de_fault(field, value) \ | |
0d06e24b JM |
365 | if (!t->field) \ |
366 | t->field = value | |
367 | ||
368 | de_fault (to_open, | |
369 | (void (*) (char *, int)) | |
370 | tcomplain); | |
371 | de_fault (to_close, | |
372 | (void (*) (int)) | |
373 | target_ignore); | |
374 | de_fault (to_attach, | |
375 | maybe_kill_then_attach); | |
376 | de_fault (to_post_attach, | |
377 | (void (*) (int)) | |
378 | target_ignore); | |
379 | de_fault (to_require_attach, | |
380 | maybe_kill_then_attach); | |
381 | de_fault (to_detach, | |
382 | (void (*) (char *, int)) | |
383 | target_ignore); | |
384 | de_fault (to_require_detach, | |
385 | (void (*) (int, char *, int)) | |
386 | target_ignore); | |
387 | de_fault (to_resume, | |
39f77062 | 388 | (void (*) (ptid_t, int, enum target_signal)) |
0d06e24b JM |
389 | noprocess); |
390 | de_fault (to_wait, | |
39f77062 | 391 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) |
0d06e24b JM |
392 | noprocess); |
393 | de_fault (to_post_wait, | |
39f77062 | 394 | (void (*) (ptid_t, int)) |
0d06e24b JM |
395 | target_ignore); |
396 | de_fault (to_fetch_registers, | |
397 | (void (*) (int)) | |
398 | target_ignore); | |
399 | de_fault (to_store_registers, | |
400 | (void (*) (int)) | |
401 | noprocess); | |
402 | de_fault (to_prepare_to_store, | |
403 | (void (*) (void)) | |
404 | noprocess); | |
405 | de_fault (to_xfer_memory, | |
29e57380 | 406 | (int (*) (CORE_ADDR, char *, int, int, struct mem_attrib *, struct target_ops *)) |
0d06e24b JM |
407 | nomemory); |
408 | de_fault (to_files_info, | |
409 | (void (*) (struct target_ops *)) | |
410 | target_ignore); | |
411 | de_fault (to_insert_breakpoint, | |
412 | memory_insert_breakpoint); | |
413 | de_fault (to_remove_breakpoint, | |
414 | memory_remove_breakpoint); | |
ccaa32c7 GS |
415 | de_fault (to_can_use_hw_breakpoint, |
416 | (int (*) (int, int, int)) | |
417 | return_zero); | |
418 | de_fault (to_insert_hw_breakpoint, | |
419 | (int (*) (CORE_ADDR, char *)) | |
420 | return_minus_one); | |
421 | de_fault (to_remove_hw_breakpoint, | |
422 | (int (*) (CORE_ADDR, char *)) | |
423 | return_minus_one); | |
424 | de_fault (to_insert_watchpoint, | |
425 | (int (*) (CORE_ADDR, int, int)) | |
426 | return_minus_one); | |
427 | de_fault (to_remove_watchpoint, | |
428 | (int (*) (CORE_ADDR, int, int)) | |
429 | return_minus_one); | |
430 | de_fault (to_stopped_by_watchpoint, | |
431 | (int (*) (void)) | |
432 | return_zero); | |
433 | de_fault (to_stopped_data_address, | |
434 | (CORE_ADDR (*) (void)) | |
435 | return_zero); | |
436 | de_fault (to_region_size_ok_for_hw_watchpoint, | |
437 | default_region_size_ok_for_hw_watchpoint); | |
0d06e24b JM |
438 | de_fault (to_terminal_init, |
439 | (void (*) (void)) | |
440 | target_ignore); | |
441 | de_fault (to_terminal_inferior, | |
442 | (void (*) (void)) | |
443 | target_ignore); | |
444 | de_fault (to_terminal_ours_for_output, | |
445 | (void (*) (void)) | |
446 | target_ignore); | |
447 | de_fault (to_terminal_ours, | |
448 | (void (*) (void)) | |
449 | target_ignore); | |
a790ad35 SC |
450 | de_fault (to_terminal_save_ours, |
451 | (void (*) (void)) | |
452 | target_ignore); | |
0d06e24b JM |
453 | de_fault (to_terminal_info, |
454 | default_terminal_info); | |
455 | de_fault (to_kill, | |
456 | (void (*) (void)) | |
457 | noprocess); | |
458 | de_fault (to_load, | |
459 | (void (*) (char *, int)) | |
460 | tcomplain); | |
461 | de_fault (to_lookup_symbol, | |
462 | (int (*) (char *, CORE_ADDR *)) | |
463 | nosymbol); | |
464 | de_fault (to_create_inferior, | |
465 | maybe_kill_then_create_inferior); | |
466 | de_fault (to_post_startup_inferior, | |
39f77062 | 467 | (void (*) (ptid_t)) |
0d06e24b JM |
468 | target_ignore); |
469 | de_fault (to_acknowledge_created_inferior, | |
470 | (void (*) (int)) | |
471 | target_ignore); | |
472 | de_fault (to_clone_and_follow_inferior, | |
473 | default_clone_and_follow_inferior); | |
474 | de_fault (to_post_follow_inferior_by_clone, | |
475 | (void (*) (void)) | |
476 | target_ignore); | |
477 | de_fault (to_insert_fork_catchpoint, | |
478 | (int (*) (int)) | |
479 | tcomplain); | |
480 | de_fault (to_remove_fork_catchpoint, | |
481 | (int (*) (int)) | |
482 | tcomplain); | |
483 | de_fault (to_insert_vfork_catchpoint, | |
484 | (int (*) (int)) | |
485 | tcomplain); | |
486 | de_fault (to_remove_vfork_catchpoint, | |
487 | (int (*) (int)) | |
488 | tcomplain); | |
489 | de_fault (to_has_forked, | |
490 | (int (*) (int, int *)) | |
491 | return_zero); | |
492 | de_fault (to_has_vforked, | |
493 | (int (*) (int, int *)) | |
494 | return_zero); | |
495 | de_fault (to_can_follow_vfork_prior_to_exec, | |
496 | (int (*) (void)) | |
497 | return_zero); | |
498 | de_fault (to_post_follow_vfork, | |
499 | (void (*) (int, int, int, int)) | |
500 | target_ignore); | |
501 | de_fault (to_insert_exec_catchpoint, | |
502 | (int (*) (int)) | |
503 | tcomplain); | |
504 | de_fault (to_remove_exec_catchpoint, | |
505 | (int (*) (int)) | |
506 | tcomplain); | |
507 | de_fault (to_has_execd, | |
508 | (int (*) (int, char **)) | |
509 | return_zero); | |
510 | de_fault (to_reported_exec_events_per_exec_call, | |
511 | (int (*) (void)) | |
512 | return_one); | |
513 | de_fault (to_has_syscall_event, | |
514 | (int (*) (int, enum target_waitkind *, int *)) | |
515 | return_zero); | |
516 | de_fault (to_has_exited, | |
517 | (int (*) (int, int, int *)) | |
518 | return_zero); | |
519 | de_fault (to_mourn_inferior, | |
520 | (void (*) (void)) | |
521 | noprocess); | |
522 | de_fault (to_can_run, | |
523 | return_zero); | |
524 | de_fault (to_notice_signals, | |
39f77062 | 525 | (void (*) (ptid_t)) |
0d06e24b JM |
526 | target_ignore); |
527 | de_fault (to_thread_alive, | |
39f77062 | 528 | (int (*) (ptid_t)) |
0d06e24b JM |
529 | return_zero); |
530 | de_fault (to_find_new_threads, | |
531 | (void (*) (void)) | |
532 | target_ignore); | |
533 | de_fault (to_extra_thread_info, | |
534 | (char *(*) (struct thread_info *)) | |
535 | return_zero); | |
536 | de_fault (to_stop, | |
537 | (void (*) (void)) | |
538 | target_ignore); | |
0d06e24b | 539 | de_fault (to_rcmd, |
d9fcf2fb | 540 | (void (*) (char *, struct ui_file *)) |
0d06e24b JM |
541 | tcomplain); |
542 | de_fault (to_enable_exception_callback, | |
543 | (struct symtab_and_line * (*) (enum exception_event_kind, int)) | |
544 | nosupport_runtime); | |
545 | de_fault (to_get_current_exception_event, | |
546 | (struct exception_event_record * (*) (void)) | |
547 | nosupport_runtime); | |
548 | de_fault (to_pid_to_exec_file, | |
549 | (char *(*) (int)) | |
550 | return_zero); | |
0d06e24b JM |
551 | de_fault (to_can_async_p, |
552 | (int (*) (void)) | |
553 | return_zero); | |
554 | de_fault (to_is_async_p, | |
555 | (int (*) (void)) | |
556 | return_zero); | |
557 | de_fault (to_async, | |
558 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
559 | tcomplain); | |
c906108c SS |
560 | #undef de_fault |
561 | } | |
562 | ||
563 | /* Go through the target stack from top to bottom, copying over zero entries in | |
564 | current_target. In effect, we are doing class inheritance through the | |
565 | pushed target vectors. */ | |
566 | ||
567 | static void | |
fba45db2 | 568 | update_current_target (void) |
c906108c SS |
569 | { |
570 | struct target_stack_item *item; | |
571 | struct target_ops *t; | |
572 | ||
573 | /* First, reset current_target */ | |
574 | memset (¤t_target, 0, sizeof current_target); | |
575 | ||
576 | for (item = target_stack; item; item = item->next) | |
577 | { | |
578 | t = item->target_ops; | |
579 | ||
580 | #define INHERIT(FIELD, TARGET) \ | |
581 | if (!current_target.FIELD) \ | |
582 | current_target.FIELD = TARGET->FIELD | |
583 | ||
584 | INHERIT (to_shortname, t); | |
585 | INHERIT (to_longname, t); | |
586 | INHERIT (to_doc, t); | |
587 | INHERIT (to_open, t); | |
588 | INHERIT (to_close, t); | |
589 | INHERIT (to_attach, t); | |
590 | INHERIT (to_post_attach, t); | |
591 | INHERIT (to_require_attach, t); | |
592 | INHERIT (to_detach, t); | |
593 | INHERIT (to_require_detach, t); | |
594 | INHERIT (to_resume, t); | |
595 | INHERIT (to_wait, t); | |
596 | INHERIT (to_post_wait, t); | |
597 | INHERIT (to_fetch_registers, t); | |
598 | INHERIT (to_store_registers, t); | |
599 | INHERIT (to_prepare_to_store, t); | |
600 | INHERIT (to_xfer_memory, t); | |
601 | INHERIT (to_files_info, t); | |
602 | INHERIT (to_insert_breakpoint, t); | |
603 | INHERIT (to_remove_breakpoint, t); | |
ccaa32c7 GS |
604 | INHERIT (to_can_use_hw_breakpoint, t); |
605 | INHERIT (to_insert_hw_breakpoint, t); | |
606 | INHERIT (to_remove_hw_breakpoint, t); | |
607 | INHERIT (to_insert_watchpoint, t); | |
608 | INHERIT (to_remove_watchpoint, t); | |
609 | INHERIT (to_stopped_data_address, t); | |
610 | INHERIT (to_stopped_by_watchpoint, t); | |
611 | INHERIT (to_region_size_ok_for_hw_watchpoint, t); | |
c906108c SS |
612 | INHERIT (to_terminal_init, t); |
613 | INHERIT (to_terminal_inferior, t); | |
614 | INHERIT (to_terminal_ours_for_output, t); | |
615 | INHERIT (to_terminal_ours, t); | |
a790ad35 | 616 | INHERIT (to_terminal_save_ours, t); |
c906108c SS |
617 | INHERIT (to_terminal_info, t); |
618 | INHERIT (to_kill, t); | |
619 | INHERIT (to_load, t); | |
620 | INHERIT (to_lookup_symbol, t); | |
621 | INHERIT (to_create_inferior, t); | |
622 | INHERIT (to_post_startup_inferior, t); | |
623 | INHERIT (to_acknowledge_created_inferior, t); | |
624 | INHERIT (to_clone_and_follow_inferior, t); | |
625 | INHERIT (to_post_follow_inferior_by_clone, t); | |
626 | INHERIT (to_insert_fork_catchpoint, t); | |
627 | INHERIT (to_remove_fork_catchpoint, t); | |
628 | INHERIT (to_insert_vfork_catchpoint, t); | |
629 | INHERIT (to_remove_vfork_catchpoint, t); | |
630 | INHERIT (to_has_forked, t); | |
631 | INHERIT (to_has_vforked, t); | |
632 | INHERIT (to_can_follow_vfork_prior_to_exec, t); | |
633 | INHERIT (to_post_follow_vfork, t); | |
634 | INHERIT (to_insert_exec_catchpoint, t); | |
635 | INHERIT (to_remove_exec_catchpoint, t); | |
636 | INHERIT (to_has_execd, t); | |
637 | INHERIT (to_reported_exec_events_per_exec_call, t); | |
638 | INHERIT (to_has_syscall_event, t); | |
639 | INHERIT (to_has_exited, t); | |
640 | INHERIT (to_mourn_inferior, t); | |
641 | INHERIT (to_can_run, t); | |
642 | INHERIT (to_notice_signals, t); | |
643 | INHERIT (to_thread_alive, t); | |
b83266a0 | 644 | INHERIT (to_find_new_threads, t); |
ed9a39eb | 645 | INHERIT (to_pid_to_str, t); |
0d06e24b | 646 | INHERIT (to_extra_thread_info, t); |
c906108c SS |
647 | INHERIT (to_stop, t); |
648 | INHERIT (to_query, t); | |
96baa820 | 649 | INHERIT (to_rcmd, t); |
c906108c SS |
650 | INHERIT (to_enable_exception_callback, t); |
651 | INHERIT (to_get_current_exception_event, t); | |
652 | INHERIT (to_pid_to_exec_file, t); | |
c906108c SS |
653 | INHERIT (to_stratum, t); |
654 | INHERIT (DONT_USE, t); | |
655 | INHERIT (to_has_all_memory, t); | |
656 | INHERIT (to_has_memory, t); | |
657 | INHERIT (to_has_stack, t); | |
658 | INHERIT (to_has_registers, t); | |
659 | INHERIT (to_has_execution, t); | |
660 | INHERIT (to_has_thread_control, t); | |
661 | INHERIT (to_sections, t); | |
662 | INHERIT (to_sections_end, t); | |
6426a772 JM |
663 | INHERIT (to_can_async_p, t); |
664 | INHERIT (to_is_async_p, t); | |
665 | INHERIT (to_async, t); | |
ed9a39eb | 666 | INHERIT (to_async_mask_value, t); |
be4d1333 MS |
667 | INHERIT (to_find_memory_regions, t); |
668 | INHERIT (to_make_corefile_notes, t); | |
c906108c SS |
669 | INHERIT (to_magic, t); |
670 | ||
671 | #undef INHERIT | |
672 | } | |
673 | } | |
674 | ||
675 | /* Push a new target type into the stack of the existing target accessors, | |
676 | possibly superseding some of the existing accessors. | |
677 | ||
678 | Result is zero if the pushed target ended up on top of the stack, | |
679 | nonzero if at least one target is on top of it. | |
680 | ||
681 | Rather than allow an empty stack, we always have the dummy target at | |
682 | the bottom stratum, so we can call the function vectors without | |
683 | checking them. */ | |
684 | ||
685 | int | |
fba45db2 | 686 | push_target (struct target_ops *t) |
c906108c SS |
687 | { |
688 | struct target_stack_item *cur, *prev, *tmp; | |
689 | ||
690 | /* Check magic number. If wrong, it probably means someone changed | |
691 | the struct definition, but not all the places that initialize one. */ | |
692 | if (t->to_magic != OPS_MAGIC) | |
693 | { | |
c5aa993b JM |
694 | fprintf_unfiltered (gdb_stderr, |
695 | "Magic number of %s target struct wrong\n", | |
696 | t->to_shortname); | |
e1e9e218 | 697 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
698 | } |
699 | ||
700 | /* Find the proper stratum to install this target in. */ | |
701 | ||
702 | for (prev = NULL, cur = target_stack; cur; prev = cur, cur = cur->next) | |
703 | { | |
c5aa993b | 704 | if ((int) (t->to_stratum) >= (int) (cur->target_ops->to_stratum)) |
c906108c SS |
705 | break; |
706 | } | |
707 | ||
708 | /* If there's already targets at this stratum, remove them. */ | |
709 | ||
710 | if (cur) | |
711 | while (t->to_stratum == cur->target_ops->to_stratum) | |
712 | { | |
713 | /* There's already something on this stratum. Close it off. */ | |
714 | if (cur->target_ops->to_close) | |
715 | (cur->target_ops->to_close) (0); | |
716 | if (prev) | |
c5aa993b | 717 | prev->next = cur->next; /* Unchain old target_ops */ |
c906108c | 718 | else |
c5aa993b | 719 | target_stack = cur->next; /* Unchain first on list */ |
c906108c | 720 | tmp = cur->next; |
b8c9b27d | 721 | xfree (cur); |
c906108c SS |
722 | cur = tmp; |
723 | } | |
724 | ||
725 | /* We have removed all targets in our stratum, now add the new one. */ | |
726 | ||
727 | tmp = (struct target_stack_item *) | |
728 | xmalloc (sizeof (struct target_stack_item)); | |
729 | tmp->next = cur; | |
730 | tmp->target_ops = t; | |
731 | ||
732 | if (prev) | |
733 | prev->next = tmp; | |
734 | else | |
735 | target_stack = tmp; | |
736 | ||
737 | update_current_target (); | |
738 | ||
c5aa993b | 739 | cleanup_target (¤t_target); /* Fill in the gaps */ |
c906108c | 740 | |
c906108c SS |
741 | if (targetdebug) |
742 | setup_target_debug (); | |
c906108c SS |
743 | |
744 | return prev != 0; | |
745 | } | |
746 | ||
747 | /* Remove a target_ops vector from the stack, wherever it may be. | |
748 | Return how many times it was removed (0 or 1). */ | |
749 | ||
750 | int | |
fba45db2 | 751 | unpush_target (struct target_ops *t) |
c906108c SS |
752 | { |
753 | struct target_stack_item *cur, *prev; | |
754 | ||
755 | if (t->to_close) | |
756 | t->to_close (0); /* Let it clean up */ | |
757 | ||
758 | /* Look for the specified target. Note that we assume that a target | |
759 | can only occur once in the target stack. */ | |
760 | ||
761 | for (cur = target_stack, prev = NULL; cur; prev = cur, cur = cur->next) | |
762 | if (cur->target_ops == t) | |
763 | break; | |
764 | ||
765 | if (!cur) | |
766 | return 0; /* Didn't find target_ops, quit now */ | |
767 | ||
768 | /* Unchain the target */ | |
769 | ||
770 | if (!prev) | |
771 | target_stack = cur->next; | |
772 | else | |
773 | prev->next = cur->next; | |
774 | ||
b8c9b27d | 775 | xfree (cur); /* Release the target_stack_item */ |
c906108c SS |
776 | |
777 | update_current_target (); | |
778 | cleanup_target (¤t_target); | |
779 | ||
780 | return 1; | |
781 | } | |
782 | ||
783 | void | |
fba45db2 | 784 | pop_target (void) |
c906108c | 785 | { |
c5aa993b | 786 | (current_target.to_close) (0); /* Let it clean up */ |
c906108c SS |
787 | if (unpush_target (target_stack->target_ops) == 1) |
788 | return; | |
789 | ||
c5aa993b JM |
790 | fprintf_unfiltered (gdb_stderr, |
791 | "pop_target couldn't find target %s\n", | |
792 | current_target.to_shortname); | |
e1e9e218 | 793 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
794 | } |
795 | ||
796 | #undef MIN | |
797 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
798 | ||
799 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
800 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
801 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
802 | is responsible for freeing it. Return the number of bytes successfully | |
803 | read. */ | |
804 | ||
805 | int | |
fba45db2 | 806 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
807 | { |
808 | int tlen, origlen, offset, i; | |
809 | char buf[4]; | |
810 | int errcode = 0; | |
811 | char *buffer; | |
812 | int buffer_allocated; | |
813 | char *bufptr; | |
814 | unsigned int nbytes_read = 0; | |
815 | ||
816 | /* Small for testing. */ | |
817 | buffer_allocated = 4; | |
818 | buffer = xmalloc (buffer_allocated); | |
819 | bufptr = buffer; | |
820 | ||
821 | origlen = len; | |
822 | ||
823 | while (len > 0) | |
824 | { | |
825 | tlen = MIN (len, 4 - (memaddr & 3)); | |
826 | offset = memaddr & 3; | |
827 | ||
d4b2399a | 828 | errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0); |
c906108c SS |
829 | if (errcode != 0) |
830 | { | |
831 | /* The transfer request might have crossed the boundary to an | |
832 | unallocated region of memory. Retry the transfer, requesting | |
833 | a single byte. */ | |
834 | tlen = 1; | |
835 | offset = 0; | |
d4b2399a | 836 | errcode = target_xfer_memory (memaddr, buf, 1, 0); |
c906108c SS |
837 | if (errcode != 0) |
838 | goto done; | |
839 | } | |
840 | ||
841 | if (bufptr - buffer + tlen > buffer_allocated) | |
842 | { | |
843 | unsigned int bytes; | |
844 | bytes = bufptr - buffer; | |
845 | buffer_allocated *= 2; | |
846 | buffer = xrealloc (buffer, buffer_allocated); | |
847 | bufptr = buffer + bytes; | |
848 | } | |
849 | ||
850 | for (i = 0; i < tlen; i++) | |
851 | { | |
852 | *bufptr++ = buf[i + offset]; | |
853 | if (buf[i + offset] == '\000') | |
854 | { | |
855 | nbytes_read += i + 1; | |
856 | goto done; | |
857 | } | |
858 | } | |
859 | ||
860 | memaddr += tlen; | |
861 | len -= tlen; | |
862 | nbytes_read += tlen; | |
863 | } | |
c5aa993b | 864 | done: |
c906108c SS |
865 | if (errnop != NULL) |
866 | *errnop = errcode; | |
867 | if (string != NULL) | |
868 | *string = buffer; | |
869 | return nbytes_read; | |
870 | } | |
871 | ||
872 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in | |
873 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
874 | if any error occurs. | |
875 | ||
876 | If an error occurs, no guarantee is made about the contents of the data at | |
877 | MYADDR. In particular, the caller should not depend upon partial reads | |
878 | filling the buffer with good data. There is no way for the caller to know | |
879 | how much good data might have been transfered anyway. Callers that can | |
880 | deal with partial reads should call target_read_memory_partial. */ | |
881 | ||
882 | int | |
fba45db2 | 883 | target_read_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 884 | { |
d4b2399a | 885 | return target_xfer_memory (memaddr, myaddr, len, 0); |
c906108c SS |
886 | } |
887 | ||
c906108c | 888 | int |
fba45db2 | 889 | target_write_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 890 | { |
d4b2399a | 891 | return target_xfer_memory (memaddr, myaddr, len, 1); |
c906108c | 892 | } |
c5aa993b | 893 | |
3a11626d MS |
894 | static int trust_readonly = 0; |
895 | ||
67e0617e C |
896 | /* Move memory to or from the targets. The top target gets priority; |
897 | if it cannot handle it, it is offered to the next one down, etc. | |
c906108c | 898 | |
67e0617e | 899 | Result is -1 on error, or the number of bytes transfered. */ |
c906108c | 900 | |
4930751a | 901 | int |
29e57380 C |
902 | do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
903 | struct mem_attrib *attrib) | |
c906108c | 904 | { |
c906108c | 905 | int res; |
4930751a | 906 | int done = 0; |
c906108c SS |
907 | struct target_ops *t; |
908 | struct target_stack_item *item; | |
909 | ||
910 | /* Zero length requests are ok and require no work. */ | |
911 | if (len == 0) | |
912 | return 0; | |
913 | ||
c906108c SS |
914 | /* to_xfer_memory is not guaranteed to set errno, even when it returns |
915 | 0. */ | |
916 | errno = 0; | |
917 | ||
3a11626d MS |
918 | if (!write && trust_readonly) |
919 | { | |
2ceb85d0 BE |
920 | /* User-settable option, "trust-readonly-sections". If true, |
921 | then memory from any SEC_READONLY bfd section may be read | |
922 | directly from the bfd file. */ | |
3a11626d MS |
923 | |
924 | struct section_table *secp; | |
925 | ||
926 | for (secp = current_target.to_sections; | |
927 | secp < current_target.to_sections_end; | |
928 | secp++) | |
929 | { | |
405f26e6 MS |
930 | if (bfd_get_section_flags (secp->bfd, secp->the_bfd_section) |
931 | & SEC_READONLY) | |
932 | if (memaddr >= secp->addr && memaddr < secp->endaddr) | |
933 | return xfer_memory (memaddr, myaddr, len, 0, | |
934 | attrib, ¤t_target); | |
3a11626d MS |
935 | } |
936 | } | |
937 | ||
67e0617e | 938 | /* The quick case is that the top target can handle the transfer. */ |
c906108c | 939 | res = current_target.to_xfer_memory |
29e57380 | 940 | (memaddr, myaddr, len, write, attrib, ¤t_target); |
c906108c | 941 | |
67e0617e C |
942 | /* If res <= 0 then we call it again in the loop. Ah well. */ |
943 | if (res <= 0) | |
c906108c | 944 | { |
c906108c SS |
945 | for (item = target_stack; item; item = item->next) |
946 | { | |
947 | t = item->target_ops; | |
948 | if (!t->to_has_memory) | |
949 | continue; | |
950 | ||
29e57380 | 951 | res = t->to_xfer_memory (memaddr, myaddr, len, write, attrib, t); |
c906108c SS |
952 | if (res > 0) |
953 | break; /* Handled all or part of xfer */ | |
954 | if (t->to_has_all_memory) | |
955 | break; | |
956 | } | |
957 | ||
4930751a | 958 | if (res <= 0) |
67e0617e | 959 | return -1; |
4930751a | 960 | } |
67e0617e C |
961 | |
962 | return res; | |
4930751a C |
963 | } |
964 | ||
67e0617e C |
965 | |
966 | /* Perform a memory transfer. Iterate until the entire region has | |
967 | been transfered. | |
968 | ||
969 | Result is 0 or errno value. */ | |
970 | ||
4930751a C |
971 | static int |
972 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write) | |
973 | { | |
974 | int res; | |
29e57380 C |
975 | int reg_len; |
976 | struct mem_region *region; | |
4930751a C |
977 | |
978 | /* Zero length requests are ok and require no work. */ | |
979 | if (len == 0) | |
980 | { | |
981 | return 0; | |
982 | } | |
983 | ||
984 | while (len > 0) | |
985 | { | |
29e57380 C |
986 | region = lookup_mem_region(memaddr); |
987 | if (memaddr + len < region->hi) | |
988 | reg_len = len; | |
989 | else | |
990 | reg_len = region->hi - memaddr; | |
991 | ||
992 | switch (region->attrib.mode) | |
c906108c | 993 | { |
29e57380 C |
994 | case MEM_RO: |
995 | if (write) | |
996 | return EIO; | |
997 | break; | |
998 | ||
999 | case MEM_WO: | |
c906108c | 1000 | if (!write) |
c906108c | 1001 | return EIO; |
29e57380 | 1002 | break; |
c906108c | 1003 | } |
4930751a | 1004 | |
29e57380 C |
1005 | while (reg_len > 0) |
1006 | { | |
1007 | if (region->attrib.cache) | |
8add0441 | 1008 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, |
29e57380 C |
1009 | reg_len, write); |
1010 | else | |
8add0441 | 1011 | res = do_xfer_memory (memaddr, myaddr, reg_len, write, |
29e57380 C |
1012 | ®ion->attrib); |
1013 | ||
1014 | if (res <= 0) | |
1015 | { | |
1016 | /* If this address is for nonexistent memory, read zeros | |
1017 | if reading, or do nothing if writing. Return | |
1018 | error. */ | |
1019 | if (!write) | |
1020 | memset (myaddr, 0, len); | |
1021 | if (errno == 0) | |
1022 | return EIO; | |
1023 | else | |
1024 | return errno; | |
1025 | } | |
1026 | ||
1027 | memaddr += res; | |
1028 | myaddr += res; | |
1029 | len -= res; | |
1030 | reg_len -= res; | |
1031 | } | |
c906108c | 1032 | } |
4930751a | 1033 | |
c906108c SS |
1034 | return 0; /* We managed to cover it all somehow. */ |
1035 | } | |
1036 | ||
1037 | ||
67e0617e C |
1038 | /* Perform a partial memory transfer. |
1039 | ||
1040 | Result is -1 on error, or the number of bytes transfered. */ | |
917317f4 JM |
1041 | |
1042 | static int | |
4930751a | 1043 | target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len, |
917317f4 JM |
1044 | int write_p, int *err) |
1045 | { | |
1046 | int res; | |
29e57380 C |
1047 | int reg_len; |
1048 | struct mem_region *region; | |
917317f4 JM |
1049 | |
1050 | /* Zero length requests are ok and require no work. */ | |
1051 | if (len == 0) | |
1052 | { | |
1053 | *err = 0; | |
1054 | return 0; | |
1055 | } | |
1056 | ||
29e57380 C |
1057 | region = lookup_mem_region(memaddr); |
1058 | if (memaddr + len < region->hi) | |
1059 | reg_len = len; | |
1060 | else | |
1061 | reg_len = region->hi - memaddr; | |
1062 | ||
1063 | switch (region->attrib.mode) | |
1064 | { | |
1065 | case MEM_RO: | |
1066 | if (write_p) | |
1067 | { | |
1068 | *err = EIO; | |
873406a6 | 1069 | return -1; |
29e57380 C |
1070 | } |
1071 | break; | |
1072 | ||
1073 | case MEM_WO: | |
1074 | if (write_p) | |
1075 | { | |
1076 | *err = EIO; | |
873406a6 | 1077 | return -1; |
29e57380 C |
1078 | } |
1079 | break; | |
1080 | } | |
1081 | ||
1082 | if (region->attrib.cache) | |
1083 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, | |
1084 | reg_len, write_p); | |
1085 | else | |
1086 | res = do_xfer_memory (memaddr, myaddr, reg_len, write_p, | |
1087 | ®ion->attrib); | |
1088 | ||
4930751a | 1089 | if (res <= 0) |
917317f4 | 1090 | { |
4930751a C |
1091 | if (errno != 0) |
1092 | *err = errno; | |
1093 | else | |
1094 | *err = EIO; | |
917317f4 | 1095 | |
4930751a | 1096 | return -1; |
917317f4 JM |
1097 | } |
1098 | ||
4930751a | 1099 | *err = 0; |
67e0617e | 1100 | return res; |
917317f4 JM |
1101 | } |
1102 | ||
1103 | int | |
1104 | target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1105 | { | |
1106 | return target_xfer_memory_partial (memaddr, buf, len, 0, err); | |
1107 | } | |
1108 | ||
1109 | int | |
1110 | target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1111 | { | |
1112 | return target_xfer_memory_partial (memaddr, buf, len, 1, err); | |
1113 | } | |
1114 | ||
c906108c SS |
1115 | /* ARGSUSED */ |
1116 | static void | |
fba45db2 | 1117 | target_info (char *args, int from_tty) |
c906108c SS |
1118 | { |
1119 | struct target_ops *t; | |
1120 | struct target_stack_item *item; | |
1121 | int has_all_mem = 0; | |
c5aa993b | 1122 | |
c906108c SS |
1123 | if (symfile_objfile != NULL) |
1124 | printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name); | |
1125 | ||
1126 | #ifdef FILES_INFO_HOOK | |
1127 | if (FILES_INFO_HOOK ()) | |
1128 | return; | |
1129 | #endif | |
1130 | ||
1131 | for (item = target_stack; item; item = item->next) | |
1132 | { | |
1133 | t = item->target_ops; | |
1134 | ||
1135 | if (!t->to_has_memory) | |
1136 | continue; | |
1137 | ||
c5aa993b | 1138 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1139 | continue; |
1140 | if (has_all_mem) | |
c5aa993b JM |
1141 | printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n"); |
1142 | printf_unfiltered ("%s:\n", t->to_longname); | |
1143 | (t->to_files_info) (t); | |
c906108c SS |
1144 | has_all_mem = t->to_has_all_memory; |
1145 | } | |
1146 | } | |
1147 | ||
1148 | /* This is to be called by the open routine before it does | |
1149 | anything. */ | |
1150 | ||
1151 | void | |
fba45db2 | 1152 | target_preopen (int from_tty) |
c906108c | 1153 | { |
c5aa993b | 1154 | dont_repeat (); |
c906108c SS |
1155 | |
1156 | if (target_has_execution) | |
c5aa993b | 1157 | { |
adf40b2e JM |
1158 | if (!from_tty |
1159 | || query ("A program is being debugged already. Kill it? ")) | |
c5aa993b | 1160 | target_kill (); |
c906108c | 1161 | else |
c5aa993b | 1162 | error ("Program not killed."); |
c906108c SS |
1163 | } |
1164 | ||
1165 | /* Calling target_kill may remove the target from the stack. But if | |
1166 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1167 | ||
1168 | if (target_has_execution) | |
1169 | pop_target (); | |
1170 | } | |
1171 | ||
1172 | /* Detach a target after doing deferred register stores. */ | |
1173 | ||
1174 | void | |
fba45db2 | 1175 | target_detach (char *args, int from_tty) |
c906108c SS |
1176 | { |
1177 | /* Handle any optimized stores to the inferior. */ | |
1178 | #ifdef DO_DEFERRED_STORES | |
1179 | DO_DEFERRED_STORES; | |
1180 | #endif | |
1181 | (current_target.to_detach) (args, from_tty); | |
1182 | } | |
1183 | ||
1184 | void | |
fba45db2 | 1185 | target_link (char *modname, CORE_ADDR *t_reloc) |
c906108c | 1186 | { |
c5aa993b | 1187 | if (STREQ (current_target.to_shortname, "rombug")) |
c906108c SS |
1188 | { |
1189 | (current_target.to_lookup_symbol) (modname, t_reloc); | |
1190 | if (*t_reloc == 0) | |
c5aa993b | 1191 | error ("Unable to link to %s and get relocation in rombug", modname); |
c906108c SS |
1192 | } |
1193 | else | |
2acceee2 | 1194 | *t_reloc = (CORE_ADDR) -1; |
c906108c SS |
1195 | } |
1196 | ||
ed9a39eb JM |
1197 | int |
1198 | target_async_mask (int mask) | |
1199 | { | |
1200 | int saved_async_masked_status = target_async_mask_value; | |
1201 | target_async_mask_value = mask; | |
1202 | return saved_async_masked_status; | |
1203 | } | |
1204 | ||
c906108c SS |
1205 | /* Look through the list of possible targets for a target that can |
1206 | execute a run or attach command without any other data. This is | |
1207 | used to locate the default process stratum. | |
1208 | ||
1209 | Result is always valid (error() is called for errors). */ | |
1210 | ||
1211 | static struct target_ops * | |
fba45db2 | 1212 | find_default_run_target (char *do_mesg) |
c906108c SS |
1213 | { |
1214 | struct target_ops **t; | |
1215 | struct target_ops *runable = NULL; | |
1216 | int count; | |
1217 | ||
1218 | count = 0; | |
1219 | ||
1220 | for (t = target_structs; t < target_structs + target_struct_size; | |
1221 | ++t) | |
1222 | { | |
c5aa993b | 1223 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1224 | { |
1225 | runable = *t; | |
1226 | ++count; | |
1227 | } | |
1228 | } | |
1229 | ||
1230 | if (count != 1) | |
1231 | error ("Don't know how to %s. Try \"help target\".", do_mesg); | |
1232 | ||
1233 | return runable; | |
1234 | } | |
1235 | ||
1236 | void | |
fba45db2 | 1237 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1238 | { |
1239 | struct target_ops *t; | |
1240 | ||
c5aa993b | 1241 | t = find_default_run_target ("attach"); |
c906108c SS |
1242 | (t->to_attach) (args, from_tty); |
1243 | return; | |
1244 | } | |
1245 | ||
1246 | void | |
fba45db2 | 1247 | find_default_require_attach (char *args, int from_tty) |
c906108c SS |
1248 | { |
1249 | struct target_ops *t; | |
1250 | ||
c5aa993b | 1251 | t = find_default_run_target ("require_attach"); |
c906108c SS |
1252 | (t->to_require_attach) (args, from_tty); |
1253 | return; | |
1254 | } | |
1255 | ||
1256 | void | |
fba45db2 | 1257 | find_default_require_detach (int pid, char *args, int from_tty) |
c906108c SS |
1258 | { |
1259 | struct target_ops *t; | |
1260 | ||
c5aa993b | 1261 | t = find_default_run_target ("require_detach"); |
c906108c SS |
1262 | (t->to_require_detach) (pid, args, from_tty); |
1263 | return; | |
1264 | } | |
1265 | ||
1266 | void | |
fba45db2 | 1267 | find_default_create_inferior (char *exec_file, char *allargs, char **env) |
c906108c SS |
1268 | { |
1269 | struct target_ops *t; | |
1270 | ||
c5aa993b | 1271 | t = find_default_run_target ("run"); |
c906108c SS |
1272 | (t->to_create_inferior) (exec_file, allargs, env); |
1273 | return; | |
1274 | } | |
1275 | ||
1276 | void | |
fba45db2 | 1277 | find_default_clone_and_follow_inferior (int child_pid, int *followed_child) |
c906108c SS |
1278 | { |
1279 | struct target_ops *t; | |
1280 | ||
c5aa993b | 1281 | t = find_default_run_target ("run"); |
c906108c SS |
1282 | (t->to_clone_and_follow_inferior) (child_pid, followed_child); |
1283 | return; | |
1284 | } | |
1285 | ||
ccaa32c7 GS |
1286 | static int |
1287 | default_region_size_ok_for_hw_watchpoint (int byte_count) | |
1288 | { | |
1289 | return (byte_count <= REGISTER_SIZE); | |
1290 | } | |
1291 | ||
c906108c | 1292 | static int |
fba45db2 | 1293 | return_zero (void) |
c906108c SS |
1294 | { |
1295 | return 0; | |
1296 | } | |
1297 | ||
1298 | static int | |
fba45db2 | 1299 | return_one (void) |
c906108c SS |
1300 | { |
1301 | return 1; | |
1302 | } | |
1303 | ||
ccaa32c7 GS |
1304 | static int |
1305 | return_minus_one (void) | |
1306 | { | |
1307 | return -1; | |
1308 | } | |
1309 | ||
6426a772 JM |
1310 | /* |
1311 | * Resize the to_sections pointer. Also make sure that anyone that | |
1312 | * was holding on to an old value of it gets updated. | |
1313 | * Returns the old size. | |
1314 | */ | |
1315 | ||
1316 | int | |
1317 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1318 | { | |
1319 | struct target_ops **t; | |
1320 | struct section_table *old_value; | |
1321 | int old_count; | |
1322 | ||
1323 | old_value = target->to_sections; | |
1324 | ||
1325 | if (target->to_sections) | |
1326 | { | |
1327 | old_count = target->to_sections_end - target->to_sections; | |
1328 | target->to_sections = (struct section_table *) | |
1329 | xrealloc ((char *) target->to_sections, | |
1330 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1331 | } | |
1332 | else | |
1333 | { | |
1334 | old_count = 0; | |
1335 | target->to_sections = (struct section_table *) | |
1336 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1337 | } | |
1338 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1339 | ||
1340 | /* Check to see if anyone else was pointing to this structure. | |
1341 | If old_value was null, then no one was. */ | |
1342 | ||
1343 | if (old_value) | |
1344 | { | |
1345 | for (t = target_structs; t < target_structs + target_struct_size; | |
1346 | ++t) | |
1347 | { | |
1348 | if ((*t)->to_sections == old_value) | |
1349 | { | |
1350 | (*t)->to_sections = target->to_sections; | |
1351 | (*t)->to_sections_end = target->to_sections_end; | |
1352 | } | |
1353 | } | |
1354 | } | |
1355 | ||
1356 | return old_count; | |
1357 | ||
1358 | } | |
1359 | ||
07cd4b97 JB |
1360 | /* Remove all target sections taken from ABFD. |
1361 | ||
1362 | Scan the current target stack for targets whose section tables | |
1363 | refer to sections from BFD, and remove those sections. We use this | |
1364 | when we notice that the inferior has unloaded a shared object, for | |
1365 | example. */ | |
1366 | void | |
1367 | remove_target_sections (bfd *abfd) | |
1368 | { | |
1369 | struct target_ops **t; | |
1370 | ||
1371 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1372 | { | |
1373 | struct section_table *src, *dest; | |
1374 | ||
1375 | dest = (*t)->to_sections; | |
1376 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1377 | if (src->bfd != abfd) | |
1378 | { | |
1379 | /* Keep this section. */ | |
1380 | if (dest < src) *dest = *src; | |
1381 | dest++; | |
1382 | } | |
1383 | ||
1384 | /* If we've dropped any sections, resize the section table. */ | |
1385 | if (dest < src) | |
1386 | target_resize_to_sections (*t, dest - src); | |
1387 | } | |
1388 | } | |
1389 | ||
1390 | ||
1391 | ||
1392 | ||
7a292a7a SS |
1393 | /* Find a single runnable target in the stack and return it. If for |
1394 | some reason there is more than one, return NULL. */ | |
1395 | ||
1396 | struct target_ops * | |
fba45db2 | 1397 | find_run_target (void) |
7a292a7a SS |
1398 | { |
1399 | struct target_ops **t; | |
1400 | struct target_ops *runable = NULL; | |
1401 | int count; | |
c5aa993b | 1402 | |
7a292a7a | 1403 | count = 0; |
c5aa993b | 1404 | |
7a292a7a SS |
1405 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1406 | { | |
c5aa993b | 1407 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1408 | { |
1409 | runable = *t; | |
1410 | ++count; | |
1411 | } | |
1412 | } | |
c5aa993b | 1413 | |
7a292a7a SS |
1414 | return (count == 1 ? runable : NULL); |
1415 | } | |
1416 | ||
ed9a39eb JM |
1417 | /* Find a single core_stratum target in the list of targets and return it. |
1418 | If for some reason there is more than one, return NULL. */ | |
1419 | ||
c906108c | 1420 | struct target_ops * |
fba45db2 | 1421 | find_core_target (void) |
c906108c SS |
1422 | { |
1423 | struct target_ops **t; | |
1424 | struct target_ops *runable = NULL; | |
1425 | int count; | |
c5aa993b | 1426 | |
c906108c | 1427 | count = 0; |
c5aa993b | 1428 | |
c906108c SS |
1429 | for (t = target_structs; t < target_structs + target_struct_size; |
1430 | ++t) | |
1431 | { | |
1432 | if ((*t)->to_stratum == core_stratum) | |
1433 | { | |
1434 | runable = *t; | |
1435 | ++count; | |
1436 | } | |
1437 | } | |
c5aa993b JM |
1438 | |
1439 | return (count == 1 ? runable : NULL); | |
c906108c | 1440 | } |
ed9a39eb JM |
1441 | |
1442 | /* | |
1443 | * Find the next target down the stack from the specified target. | |
1444 | */ | |
1445 | ||
1446 | struct target_ops * | |
fba45db2 | 1447 | find_target_beneath (struct target_ops *t) |
ed9a39eb JM |
1448 | { |
1449 | struct target_stack_item *cur; | |
1450 | ||
1451 | for (cur = target_stack; cur; cur = cur->next) | |
1452 | if (cur->target_ops == t) | |
1453 | break; | |
1454 | ||
1455 | if (cur == NULL || cur->next == NULL) | |
1456 | return NULL; | |
1457 | else | |
1458 | return cur->next->target_ops; | |
1459 | } | |
1460 | ||
c906108c SS |
1461 | \f |
1462 | /* The inferior process has died. Long live the inferior! */ | |
1463 | ||
1464 | void | |
fba45db2 | 1465 | generic_mourn_inferior (void) |
c906108c SS |
1466 | { |
1467 | extern int show_breakpoint_hit_counts; | |
1468 | ||
39f77062 | 1469 | inferior_ptid = null_ptid; |
c906108c SS |
1470 | attach_flag = 0; |
1471 | breakpoint_init_inferior (inf_exited); | |
1472 | registers_changed (); | |
1473 | ||
1474 | #ifdef CLEAR_DEFERRED_STORES | |
1475 | /* Delete any pending stores to the inferior... */ | |
1476 | CLEAR_DEFERRED_STORES; | |
1477 | #endif | |
1478 | ||
1479 | reopen_exec_file (); | |
1480 | reinit_frame_cache (); | |
1481 | ||
1482 | /* It is confusing to the user for ignore counts to stick around | |
1483 | from previous runs of the inferior. So clear them. */ | |
1484 | /* However, it is more confusing for the ignore counts to disappear when | |
1485 | using hit counts. So don't clear them if we're counting hits. */ | |
1486 | if (!show_breakpoint_hit_counts) | |
1487 | breakpoint_clear_ignore_counts (); | |
c5b739b5 FN |
1488 | |
1489 | if (detach_hook) | |
1490 | detach_hook (); | |
c906108c SS |
1491 | } |
1492 | \f | |
c906108c SS |
1493 | /* Helper function for child_wait and the Lynx derivatives of child_wait. |
1494 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1495 | translation of that in OURSTATUS. */ | |
1496 | void | |
fba45db2 | 1497 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c SS |
1498 | { |
1499 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1500 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1501 | if it wants to deal with hoststatus. */ | |
1502 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1503 | return; | |
1504 | #endif | |
1505 | ||
1506 | if (WIFEXITED (hoststatus)) | |
1507 | { | |
1508 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1509 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1510 | } | |
1511 | else if (!WIFSTOPPED (hoststatus)) | |
1512 | { | |
1513 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1514 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1515 | } | |
1516 | else | |
1517 | { | |
1518 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1519 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1520 | } | |
1521 | } | |
1522 | \f | |
c906108c | 1523 | /* Returns zero to leave the inferior alone, one to interrupt it. */ |
507f3c78 | 1524 | int (*target_activity_function) (void); |
c906108c SS |
1525 | int target_activity_fd; |
1526 | \f | |
1527 | /* Convert a normal process ID to a string. Returns the string in a static | |
1528 | buffer. */ | |
1529 | ||
1530 | char * | |
39f77062 | 1531 | normal_pid_to_str (ptid_t ptid) |
c906108c SS |
1532 | { |
1533 | static char buf[30]; | |
1534 | ||
39f77062 | 1535 | sprintf (buf, "process %d", PIDGET (ptid)); |
c906108c SS |
1536 | return buf; |
1537 | } | |
1538 | ||
1539 | /* Some targets (such as ttrace-based HPUX) don't allow us to request | |
1540 | notification of inferior events such as fork and vork immediately | |
1541 | after the inferior is created. (This because of how gdb gets an | |
1542 | inferior created via invoking a shell to do it. In such a scenario, | |
1543 | if the shell init file has commands in it, the shell will fork and | |
1544 | exec for each of those commands, and we will see each such fork | |
1545 | event. Very bad.) | |
c5aa993b | 1546 | |
c906108c SS |
1547 | This function is used by all targets that allow us to request |
1548 | notification of forks, etc at inferior creation time; e.g., in | |
1549 | target_acknowledge_forked_child. | |
c5aa993b | 1550 | */ |
392a587b | 1551 | static void |
39f77062 | 1552 | normal_target_post_startup_inferior (ptid_t ptid) |
c906108c SS |
1553 | { |
1554 | /* This space intentionally left blank. */ | |
1555 | } | |
1556 | ||
be4d1333 MS |
1557 | /* Error-catcher for target_find_memory_regions */ |
1558 | /* ARGSUSED */ | |
1559 | static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2) | |
1560 | { | |
1561 | error ("No target."); | |
1562 | return 0; | |
1563 | } | |
1564 | ||
1565 | /* Error-catcher for target_make_corefile_notes */ | |
1566 | /* ARGSUSED */ | |
1567 | static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2) | |
1568 | { | |
1569 | error ("No target."); | |
1570 | return NULL; | |
1571 | } | |
1572 | ||
c906108c SS |
1573 | /* Set up the handful of non-empty slots needed by the dummy target |
1574 | vector. */ | |
1575 | ||
1576 | static void | |
fba45db2 | 1577 | init_dummy_target (void) |
c906108c SS |
1578 | { |
1579 | dummy_target.to_shortname = "None"; | |
1580 | dummy_target.to_longname = "None"; | |
1581 | dummy_target.to_doc = ""; | |
1582 | dummy_target.to_attach = find_default_attach; | |
1583 | dummy_target.to_require_attach = find_default_require_attach; | |
1584 | dummy_target.to_require_detach = find_default_require_detach; | |
1585 | dummy_target.to_create_inferior = find_default_create_inferior; | |
1586 | dummy_target.to_clone_and_follow_inferior = find_default_clone_and_follow_inferior; | |
ed9a39eb | 1587 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c | 1588 | dummy_target.to_stratum = dummy_stratum; |
be4d1333 MS |
1589 | dummy_target.to_find_memory_regions = dummy_find_memory_regions; |
1590 | dummy_target.to_make_corefile_notes = dummy_make_corefile_notes; | |
c906108c SS |
1591 | dummy_target.to_magic = OPS_MAGIC; |
1592 | } | |
c906108c | 1593 | \f |
c5aa993b | 1594 | |
c906108c SS |
1595 | static struct target_ops debug_target; |
1596 | ||
1597 | static void | |
fba45db2 | 1598 | debug_to_open (char *args, int from_tty) |
c906108c SS |
1599 | { |
1600 | debug_target.to_open (args, from_tty); | |
1601 | ||
96baa820 | 1602 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
1603 | } |
1604 | ||
1605 | static void | |
fba45db2 | 1606 | debug_to_close (int quitting) |
c906108c SS |
1607 | { |
1608 | debug_target.to_close (quitting); | |
1609 | ||
96baa820 | 1610 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
1611 | } |
1612 | ||
1613 | static void | |
fba45db2 | 1614 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
1615 | { |
1616 | debug_target.to_attach (args, from_tty); | |
1617 | ||
96baa820 | 1618 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
1619 | } |
1620 | ||
1621 | ||
1622 | static void | |
fba45db2 | 1623 | debug_to_post_attach (int pid) |
c906108c SS |
1624 | { |
1625 | debug_target.to_post_attach (pid); | |
1626 | ||
96baa820 | 1627 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
1628 | } |
1629 | ||
1630 | static void | |
fba45db2 | 1631 | debug_to_require_attach (char *args, int from_tty) |
c906108c SS |
1632 | { |
1633 | debug_target.to_require_attach (args, from_tty); | |
1634 | ||
96baa820 | 1635 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
1636 | "target_require_attach (%s, %d)\n", args, from_tty); |
1637 | } | |
1638 | ||
1639 | static void | |
fba45db2 | 1640 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
1641 | { |
1642 | debug_target.to_detach (args, from_tty); | |
1643 | ||
96baa820 | 1644 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
1645 | } |
1646 | ||
1647 | static void | |
fba45db2 | 1648 | debug_to_require_detach (int pid, char *args, int from_tty) |
c906108c SS |
1649 | { |
1650 | debug_target.to_require_detach (pid, args, from_tty); | |
1651 | ||
96baa820 | 1652 | fprintf_unfiltered (gdb_stdlog, |
c5aa993b | 1653 | "target_require_detach (%d, %s, %d)\n", pid, args, from_tty); |
c906108c SS |
1654 | } |
1655 | ||
1656 | static void | |
39f77062 | 1657 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 1658 | { |
39f77062 | 1659 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 1660 | |
39f77062 | 1661 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
1662 | step ? "step" : "continue", |
1663 | target_signal_to_name (siggnal)); | |
1664 | } | |
1665 | ||
39f77062 KB |
1666 | static ptid_t |
1667 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 1668 | { |
39f77062 | 1669 | ptid_t retval; |
c906108c | 1670 | |
39f77062 | 1671 | retval = debug_target.to_wait (ptid, status); |
c906108c | 1672 | |
96baa820 | 1673 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
1674 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
1675 | PIDGET (retval)); | |
96baa820 | 1676 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
1677 | switch (status->kind) |
1678 | { | |
1679 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 1680 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
1681 | status->value.integer); |
1682 | break; | |
1683 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 1684 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
1685 | target_signal_to_name (status->value.sig)); |
1686 | break; | |
1687 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 1688 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
1689 | target_signal_to_name (status->value.sig)); |
1690 | break; | |
1691 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 1692 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
1693 | break; |
1694 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 1695 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
1696 | break; |
1697 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 1698 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
1699 | break; |
1700 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 1701 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
1702 | break; |
1703 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 1704 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
1705 | break; |
1706 | default: | |
96baa820 | 1707 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
1708 | break; |
1709 | } | |
1710 | ||
1711 | return retval; | |
1712 | } | |
1713 | ||
1714 | static void | |
39f77062 | 1715 | debug_to_post_wait (ptid_t ptid, int status) |
c906108c | 1716 | { |
39f77062 | 1717 | debug_target.to_post_wait (ptid, status); |
c906108c | 1718 | |
96baa820 | 1719 | fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n", |
39f77062 | 1720 | PIDGET (ptid), status); |
c906108c SS |
1721 | } |
1722 | ||
bf0c5130 AC |
1723 | static void |
1724 | debug_print_register (const char * func, int regno) | |
1725 | { | |
1726 | fprintf_unfiltered (gdb_stdlog, "%s ", func); | |
1727 | if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS | |
1728 | && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0') | |
1729 | fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno)); | |
1730 | else | |
1731 | fprintf_unfiltered (gdb_stdlog, "(%d)", regno); | |
1732 | if (regno >= 0) | |
1733 | { | |
1734 | int i; | |
1735 | unsigned char *buf = alloca (MAX_REGISTER_RAW_SIZE); | |
1736 | read_register_gen (regno, buf); | |
1737 | fprintf_unfiltered (gdb_stdlog, " = "); | |
1738 | for (i = 0; i < REGISTER_RAW_SIZE (regno); i++) | |
1739 | { | |
1740 | fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]); | |
1741 | } | |
1742 | if (REGISTER_RAW_SIZE (regno) <= sizeof (LONGEST)) | |
1743 | { | |
1744 | fprintf_unfiltered (gdb_stdlog, " 0x%s %s", | |
1745 | paddr_nz (read_register (regno)), | |
1746 | paddr_d (read_register (regno))); | |
1747 | } | |
1748 | } | |
1749 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
1750 | } | |
1751 | ||
c906108c | 1752 | static void |
fba45db2 | 1753 | debug_to_fetch_registers (int regno) |
c906108c SS |
1754 | { |
1755 | debug_target.to_fetch_registers (regno); | |
bf0c5130 | 1756 | debug_print_register ("target_fetch_registers", regno); |
c906108c SS |
1757 | } |
1758 | ||
1759 | static void | |
fba45db2 | 1760 | debug_to_store_registers (int regno) |
c906108c SS |
1761 | { |
1762 | debug_target.to_store_registers (regno); | |
bf0c5130 AC |
1763 | debug_print_register ("target_store_registers", regno); |
1764 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
c906108c SS |
1765 | } |
1766 | ||
1767 | static void | |
fba45db2 | 1768 | debug_to_prepare_to_store (void) |
c906108c SS |
1769 | { |
1770 | debug_target.to_prepare_to_store (); | |
1771 | ||
96baa820 | 1772 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
1773 | } |
1774 | ||
1775 | static int | |
fba45db2 | 1776 | debug_to_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
29e57380 | 1777 | struct mem_attrib *attrib, |
fba45db2 | 1778 | struct target_ops *target) |
c906108c SS |
1779 | { |
1780 | int retval; | |
1781 | ||
29e57380 C |
1782 | retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, |
1783 | attrib, target); | |
c906108c | 1784 | |
96baa820 | 1785 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 1786 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 1787 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
1788 | len, write ? "write" : "read", retval); |
1789 | ||
c5aa993b | 1790 | |
c906108c SS |
1791 | |
1792 | if (retval > 0) | |
1793 | { | |
1794 | int i; | |
1795 | ||
96baa820 | 1796 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
1797 | for (i = 0; i < retval; i++) |
1798 | { | |
1799 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
96baa820 JM |
1800 | fprintf_unfiltered (gdb_stdlog, "\n"); |
1801 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); | |
c906108c SS |
1802 | } |
1803 | } | |
1804 | ||
96baa820 | 1805 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
1806 | |
1807 | return retval; | |
1808 | } | |
1809 | ||
1810 | static void | |
fba45db2 | 1811 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
1812 | { |
1813 | debug_target.to_files_info (target); | |
1814 | ||
96baa820 | 1815 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
1816 | } |
1817 | ||
1818 | static int | |
fba45db2 | 1819 | debug_to_insert_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1820 | { |
1821 | int retval; | |
1822 | ||
1823 | retval = debug_target.to_insert_breakpoint (addr, save); | |
1824 | ||
96baa820 | 1825 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1826 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
1827 | (unsigned long) addr, | |
1828 | (unsigned long) retval); | |
c906108c SS |
1829 | return retval; |
1830 | } | |
1831 | ||
1832 | static int | |
fba45db2 | 1833 | debug_to_remove_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1834 | { |
1835 | int retval; | |
1836 | ||
1837 | retval = debug_target.to_remove_breakpoint (addr, save); | |
1838 | ||
96baa820 | 1839 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1840 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
1841 | (unsigned long) addr, | |
1842 | (unsigned long) retval); | |
c906108c SS |
1843 | return retval; |
1844 | } | |
1845 | ||
ccaa32c7 GS |
1846 | static int |
1847 | debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty) | |
1848 | { | |
1849 | int retval; | |
1850 | ||
1851 | retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty); | |
1852 | ||
1853 | fprintf_unfiltered (gdb_stdlog, | |
1854 | "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n", | |
1855 | (unsigned long) type, | |
1856 | (unsigned long) cnt, | |
1857 | (unsigned long) from_tty, | |
1858 | (unsigned long) retval); | |
1859 | return retval; | |
1860 | } | |
1861 | ||
1862 | static int | |
1863 | debug_to_region_size_ok_for_hw_watchpoint (int byte_count) | |
1864 | { | |
1865 | CORE_ADDR retval; | |
1866 | ||
1867 | retval = debug_target.to_region_size_ok_for_hw_watchpoint (byte_count); | |
1868 | ||
1869 | fprintf_unfiltered (gdb_stdlog, | |
1870 | "TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (%ld) = 0x%lx\n", | |
1871 | (unsigned long) byte_count, | |
1872 | (unsigned long) retval); | |
1873 | return retval; | |
1874 | } | |
1875 | ||
1876 | static int | |
1877 | debug_to_stopped_by_watchpoint (void) | |
1878 | { | |
1879 | int retval; | |
1880 | ||
1881 | retval = debug_target.to_stopped_by_watchpoint (); | |
1882 | ||
1883 | fprintf_unfiltered (gdb_stdlog, | |
1884 | "STOPPED_BY_WATCHPOINT () = %ld\n", | |
1885 | (unsigned long) retval); | |
1886 | return retval; | |
1887 | } | |
1888 | ||
1889 | static CORE_ADDR | |
1890 | debug_to_stopped_data_address (void) | |
1891 | { | |
1892 | CORE_ADDR retval; | |
1893 | ||
1894 | retval = debug_target.to_stopped_data_address (); | |
1895 | ||
1896 | fprintf_unfiltered (gdb_stdlog, | |
1897 | "target_stopped_data_address () = 0x%lx\n", | |
1898 | (unsigned long) retval); | |
1899 | return retval; | |
1900 | } | |
1901 | ||
1902 | static int | |
1903 | debug_to_insert_hw_breakpoint (CORE_ADDR addr, char *save) | |
1904 | { | |
1905 | int retval; | |
1906 | ||
1907 | retval = debug_target.to_insert_hw_breakpoint (addr, save); | |
1908 | ||
1909 | fprintf_unfiltered (gdb_stdlog, | |
1910 | "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1911 | (unsigned long) addr, | |
1912 | (unsigned long) retval); | |
1913 | return retval; | |
1914 | } | |
1915 | ||
1916 | static int | |
1917 | debug_to_remove_hw_breakpoint (CORE_ADDR addr, char *save) | |
1918 | { | |
1919 | int retval; | |
1920 | ||
1921 | retval = debug_target.to_remove_hw_breakpoint (addr, save); | |
1922 | ||
1923 | fprintf_unfiltered (gdb_stdlog, | |
1924 | "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1925 | (unsigned long) addr, | |
1926 | (unsigned long) retval); | |
1927 | return retval; | |
1928 | } | |
1929 | ||
1930 | static int | |
1931 | debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type) | |
1932 | { | |
1933 | int retval; | |
1934 | ||
1935 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1936 | ||
1937 | fprintf_unfiltered (gdb_stdlog, | |
1938 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
1939 | (unsigned long) addr, len, type, (unsigned long) retval); | |
1940 | return retval; | |
1941 | } | |
1942 | ||
1943 | static int | |
1944 | debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type) | |
1945 | { | |
1946 | int retval; | |
1947 | ||
1948 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1949 | ||
1950 | fprintf_unfiltered (gdb_stdlog, | |
1951 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
1952 | (unsigned long) addr, len, type, (unsigned long) retval); | |
1953 | return retval; | |
1954 | } | |
1955 | ||
c906108c | 1956 | static void |
fba45db2 | 1957 | debug_to_terminal_init (void) |
c906108c SS |
1958 | { |
1959 | debug_target.to_terminal_init (); | |
1960 | ||
96baa820 | 1961 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
1962 | } |
1963 | ||
1964 | static void | |
fba45db2 | 1965 | debug_to_terminal_inferior (void) |
c906108c SS |
1966 | { |
1967 | debug_target.to_terminal_inferior (); | |
1968 | ||
96baa820 | 1969 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
1970 | } |
1971 | ||
1972 | static void | |
fba45db2 | 1973 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
1974 | { |
1975 | debug_target.to_terminal_ours_for_output (); | |
1976 | ||
96baa820 | 1977 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
1978 | } |
1979 | ||
1980 | static void | |
fba45db2 | 1981 | debug_to_terminal_ours (void) |
c906108c SS |
1982 | { |
1983 | debug_target.to_terminal_ours (); | |
1984 | ||
96baa820 | 1985 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
1986 | } |
1987 | ||
a790ad35 SC |
1988 | static void |
1989 | debug_to_terminal_save_ours (void) | |
1990 | { | |
1991 | debug_target.to_terminal_save_ours (); | |
1992 | ||
1993 | fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n"); | |
1994 | } | |
1995 | ||
c906108c | 1996 | static void |
fba45db2 | 1997 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
1998 | { |
1999 | debug_target.to_terminal_info (arg, from_tty); | |
2000 | ||
96baa820 | 2001 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
2002 | from_tty); |
2003 | } | |
2004 | ||
2005 | static void | |
fba45db2 | 2006 | debug_to_kill (void) |
c906108c SS |
2007 | { |
2008 | debug_target.to_kill (); | |
2009 | ||
96baa820 | 2010 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
2011 | } |
2012 | ||
2013 | static void | |
fba45db2 | 2014 | debug_to_load (char *args, int from_tty) |
c906108c SS |
2015 | { |
2016 | debug_target.to_load (args, from_tty); | |
2017 | ||
96baa820 | 2018 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
2019 | } |
2020 | ||
2021 | static int | |
fba45db2 | 2022 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
2023 | { |
2024 | int retval; | |
2025 | ||
2026 | retval = debug_target.to_lookup_symbol (name, addrp); | |
2027 | ||
96baa820 | 2028 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
2029 | |
2030 | return retval; | |
2031 | } | |
2032 | ||
2033 | static void | |
fba45db2 | 2034 | debug_to_create_inferior (char *exec_file, char *args, char **env) |
c906108c SS |
2035 | { |
2036 | debug_target.to_create_inferior (exec_file, args, env); | |
2037 | ||
96baa820 | 2038 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx)\n", |
c906108c SS |
2039 | exec_file, args); |
2040 | } | |
2041 | ||
2042 | static void | |
39f77062 | 2043 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 2044 | { |
39f77062 | 2045 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 2046 | |
96baa820 | 2047 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 2048 | PIDGET (ptid)); |
c906108c SS |
2049 | } |
2050 | ||
2051 | static void | |
fba45db2 | 2052 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
2053 | { |
2054 | debug_target.to_acknowledge_created_inferior (pid); | |
2055 | ||
96baa820 | 2056 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
2057 | pid); |
2058 | } | |
2059 | ||
2060 | static void | |
fba45db2 | 2061 | debug_to_clone_and_follow_inferior (int child_pid, int *followed_child) |
c906108c SS |
2062 | { |
2063 | debug_target.to_clone_and_follow_inferior (child_pid, followed_child); | |
2064 | ||
96baa820 | 2065 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2066 | "target_clone_and_follow_inferior (%d, %d)\n", |
2067 | child_pid, *followed_child); | |
2068 | } | |
2069 | ||
2070 | static void | |
fba45db2 | 2071 | debug_to_post_follow_inferior_by_clone (void) |
c906108c SS |
2072 | { |
2073 | debug_target.to_post_follow_inferior_by_clone (); | |
2074 | ||
96baa820 | 2075 | fprintf_unfiltered (gdb_stdlog, "target_post_follow_inferior_by_clone ()\n"); |
c906108c SS |
2076 | } |
2077 | ||
2078 | static int | |
fba45db2 | 2079 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 2080 | { |
c5aa993b | 2081 | int retval; |
c906108c SS |
2082 | |
2083 | retval = debug_target.to_insert_fork_catchpoint (pid); | |
2084 | ||
96baa820 | 2085 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2086 | pid, retval); |
c906108c SS |
2087 | |
2088 | return retval; | |
2089 | } | |
2090 | ||
2091 | static int | |
fba45db2 | 2092 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 2093 | { |
c5aa993b | 2094 | int retval; |
c906108c SS |
2095 | |
2096 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
2097 | ||
96baa820 | 2098 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2099 | pid, retval); |
c906108c SS |
2100 | |
2101 | return retval; | |
2102 | } | |
2103 | ||
2104 | static int | |
fba45db2 | 2105 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 2106 | { |
c5aa993b | 2107 | int retval; |
c906108c SS |
2108 | |
2109 | retval = debug_target.to_insert_vfork_catchpoint (pid); | |
2110 | ||
96baa820 | 2111 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n", |
c5aa993b | 2112 | pid, retval); |
c906108c SS |
2113 | |
2114 | return retval; | |
2115 | } | |
2116 | ||
2117 | static int | |
fba45db2 | 2118 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 2119 | { |
c5aa993b | 2120 | int retval; |
c906108c SS |
2121 | |
2122 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2123 | ||
96baa820 | 2124 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 2125 | pid, retval); |
c906108c SS |
2126 | |
2127 | return retval; | |
2128 | } | |
2129 | ||
2130 | static int | |
fba45db2 | 2131 | debug_to_has_forked (int pid, int *child_pid) |
c906108c | 2132 | { |
c5aa993b | 2133 | int has_forked; |
c906108c SS |
2134 | |
2135 | has_forked = debug_target.to_has_forked (pid, child_pid); | |
2136 | ||
96baa820 | 2137 | fprintf_unfiltered (gdb_stdlog, "target_has_forked (%d, %d) = %d\n", |
c5aa993b | 2138 | pid, *child_pid, has_forked); |
c906108c SS |
2139 | |
2140 | return has_forked; | |
2141 | } | |
2142 | ||
2143 | static int | |
fba45db2 | 2144 | debug_to_has_vforked (int pid, int *child_pid) |
c906108c | 2145 | { |
c5aa993b | 2146 | int has_vforked; |
c906108c SS |
2147 | |
2148 | has_vforked = debug_target.to_has_vforked (pid, child_pid); | |
2149 | ||
96baa820 | 2150 | fprintf_unfiltered (gdb_stdlog, "target_has_vforked (%d, %d) = %d\n", |
c5aa993b | 2151 | pid, *child_pid, has_vforked); |
c906108c SS |
2152 | |
2153 | return has_vforked; | |
2154 | } | |
2155 | ||
2156 | static int | |
fba45db2 | 2157 | debug_to_can_follow_vfork_prior_to_exec (void) |
c906108c | 2158 | { |
c5aa993b | 2159 | int can_immediately_follow_vfork; |
c906108c SS |
2160 | |
2161 | can_immediately_follow_vfork = debug_target.to_can_follow_vfork_prior_to_exec (); | |
2162 | ||
96baa820 | 2163 | fprintf_unfiltered (gdb_stdlog, "target_can_follow_vfork_prior_to_exec () = %d\n", |
c5aa993b | 2164 | can_immediately_follow_vfork); |
c906108c SS |
2165 | |
2166 | return can_immediately_follow_vfork; | |
2167 | } | |
2168 | ||
2169 | static void | |
fba45db2 KB |
2170 | debug_to_post_follow_vfork (int parent_pid, int followed_parent, int child_pid, |
2171 | int followed_child) | |
c906108c SS |
2172 | { |
2173 | debug_target.to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child); | |
2174 | ||
96baa820 | 2175 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2176 | "target_post_follow_vfork (%d, %d, %d, %d)\n", |
c5aa993b | 2177 | parent_pid, followed_parent, child_pid, followed_child); |
c906108c SS |
2178 | } |
2179 | ||
2180 | static int | |
fba45db2 | 2181 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 2182 | { |
c5aa993b | 2183 | int retval; |
c906108c SS |
2184 | |
2185 | retval = debug_target.to_insert_exec_catchpoint (pid); | |
2186 | ||
96baa820 | 2187 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2188 | pid, retval); |
c906108c SS |
2189 | |
2190 | return retval; | |
2191 | } | |
2192 | ||
2193 | static int | |
fba45db2 | 2194 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 2195 | { |
c5aa993b | 2196 | int retval; |
c906108c SS |
2197 | |
2198 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2199 | ||
96baa820 | 2200 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2201 | pid, retval); |
c906108c SS |
2202 | |
2203 | return retval; | |
2204 | } | |
2205 | ||
2206 | static int | |
fba45db2 | 2207 | debug_to_has_execd (int pid, char **execd_pathname) |
c906108c | 2208 | { |
c5aa993b | 2209 | int has_execd; |
c906108c SS |
2210 | |
2211 | has_execd = debug_target.to_has_execd (pid, execd_pathname); | |
2212 | ||
96baa820 | 2213 | fprintf_unfiltered (gdb_stdlog, "target_has_execd (%d, %s) = %d\n", |
c5aa993b | 2214 | pid, (*execd_pathname ? *execd_pathname : "<NULL>"), |
7a292a7a | 2215 | has_execd); |
c906108c SS |
2216 | |
2217 | return has_execd; | |
2218 | } | |
2219 | ||
2220 | static int | |
fba45db2 | 2221 | debug_to_reported_exec_events_per_exec_call (void) |
c906108c | 2222 | { |
c5aa993b | 2223 | int reported_exec_events; |
c906108c SS |
2224 | |
2225 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
2226 | ||
96baa820 | 2227 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2228 | "target_reported_exec_events_per_exec_call () = %d\n", |
c5aa993b | 2229 | reported_exec_events); |
c906108c SS |
2230 | |
2231 | return reported_exec_events; | |
2232 | } | |
2233 | ||
2234 | static int | |
fba45db2 KB |
2235 | debug_to_has_syscall_event (int pid, enum target_waitkind *kind, |
2236 | int *syscall_id) | |
c906108c | 2237 | { |
c5aa993b JM |
2238 | int has_syscall_event; |
2239 | char *kind_spelling = "??"; | |
c906108c SS |
2240 | |
2241 | has_syscall_event = debug_target.to_has_syscall_event (pid, kind, syscall_id); | |
2242 | if (has_syscall_event) | |
2243 | { | |
2244 | switch (*kind) | |
c5aa993b JM |
2245 | { |
2246 | case TARGET_WAITKIND_SYSCALL_ENTRY: | |
2247 | kind_spelling = "SYSCALL_ENTRY"; | |
2248 | break; | |
2249 | case TARGET_WAITKIND_SYSCALL_RETURN: | |
2250 | kind_spelling = "SYSCALL_RETURN"; | |
2251 | break; | |
2252 | default: | |
2253 | break; | |
2254 | } | |
c906108c SS |
2255 | } |
2256 | ||
96baa820 | 2257 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2258 | "target_has_syscall_event (%d, %s, %d) = %d\n", |
c5aa993b | 2259 | pid, kind_spelling, *syscall_id, has_syscall_event); |
c906108c SS |
2260 | |
2261 | return has_syscall_event; | |
2262 | } | |
2263 | ||
2264 | static int | |
fba45db2 | 2265 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2266 | { |
c5aa993b | 2267 | int has_exited; |
c906108c SS |
2268 | |
2269 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2270 | ||
96baa820 | 2271 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2272 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2273 | |
2274 | return has_exited; | |
2275 | } | |
2276 | ||
2277 | static void | |
fba45db2 | 2278 | debug_to_mourn_inferior (void) |
c906108c SS |
2279 | { |
2280 | debug_target.to_mourn_inferior (); | |
2281 | ||
96baa820 | 2282 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2283 | } |
2284 | ||
2285 | static int | |
fba45db2 | 2286 | debug_to_can_run (void) |
c906108c SS |
2287 | { |
2288 | int retval; | |
2289 | ||
2290 | retval = debug_target.to_can_run (); | |
2291 | ||
96baa820 | 2292 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2293 | |
2294 | return retval; | |
2295 | } | |
2296 | ||
2297 | static void | |
39f77062 | 2298 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2299 | { |
39f77062 | 2300 | debug_target.to_notice_signals (ptid); |
c906108c | 2301 | |
39f77062 KB |
2302 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2303 | PIDGET (ptid)); | |
c906108c SS |
2304 | } |
2305 | ||
2306 | static int | |
39f77062 | 2307 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2308 | { |
2309 | int retval; | |
2310 | ||
39f77062 | 2311 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2312 | |
96baa820 | 2313 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2314 | PIDGET (ptid), retval); |
c906108c SS |
2315 | |
2316 | return retval; | |
2317 | } | |
2318 | ||
0d06e24b | 2319 | static void |
fba45db2 | 2320 | debug_to_find_new_threads (void) |
0d06e24b JM |
2321 | { |
2322 | debug_target.to_find_new_threads (); | |
2323 | ||
2324 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2325 | } | |
2326 | ||
c906108c | 2327 | static void |
fba45db2 | 2328 | debug_to_stop (void) |
c906108c SS |
2329 | { |
2330 | debug_target.to_stop (); | |
2331 | ||
96baa820 | 2332 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2333 | } |
2334 | ||
2335 | static int | |
fba45db2 | 2336 | debug_to_query (int type, char *req, char *resp, int *siz) |
c906108c SS |
2337 | { |
2338 | int retval; | |
2339 | ||
2340 | retval = debug_target.to_query (type, req, resp, siz); | |
2341 | ||
96baa820 | 2342 | fprintf_unfiltered (gdb_stdlog, "target_query (%c, %s, %s, %d) = %d\n", type, req, resp, *siz, retval); |
c906108c SS |
2343 | |
2344 | return retval; | |
2345 | } | |
2346 | ||
96baa820 JM |
2347 | static void |
2348 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2349 | struct ui_file *outbuf) |
96baa820 JM |
2350 | { |
2351 | debug_target.to_rcmd (command, outbuf); | |
2352 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2353 | } | |
2354 | ||
c906108c | 2355 | static struct symtab_and_line * |
fba45db2 | 2356 | debug_to_enable_exception_callback (enum exception_event_kind kind, int enable) |
c906108c | 2357 | { |
7a292a7a SS |
2358 | struct symtab_and_line *result; |
2359 | result = debug_target.to_enable_exception_callback (kind, enable); | |
96baa820 | 2360 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2361 | "target get_exception_callback_sal (%d, %d)\n", |
2362 | kind, enable); | |
7a292a7a | 2363 | return result; |
c906108c SS |
2364 | } |
2365 | ||
2366 | static struct exception_event_record * | |
fba45db2 | 2367 | debug_to_get_current_exception_event (void) |
c906108c | 2368 | { |
7a292a7a | 2369 | struct exception_event_record *result; |
c5aa993b | 2370 | result = debug_target.to_get_current_exception_event (); |
96baa820 | 2371 | fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n"); |
7a292a7a | 2372 | return result; |
c906108c SS |
2373 | } |
2374 | ||
2375 | static char * | |
fba45db2 | 2376 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2377 | { |
c5aa993b | 2378 | char *exec_file; |
c906108c SS |
2379 | |
2380 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2381 | ||
96baa820 | 2382 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2383 | pid, exec_file); |
c906108c SS |
2384 | |
2385 | return exec_file; | |
2386 | } | |
2387 | ||
c906108c | 2388 | static void |
fba45db2 | 2389 | setup_target_debug (void) |
c906108c SS |
2390 | { |
2391 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2392 | ||
2393 | current_target.to_open = debug_to_open; | |
2394 | current_target.to_close = debug_to_close; | |
2395 | current_target.to_attach = debug_to_attach; | |
2396 | current_target.to_post_attach = debug_to_post_attach; | |
2397 | current_target.to_require_attach = debug_to_require_attach; | |
2398 | current_target.to_detach = debug_to_detach; | |
2399 | current_target.to_require_detach = debug_to_require_detach; | |
2400 | current_target.to_resume = debug_to_resume; | |
2401 | current_target.to_wait = debug_to_wait; | |
2402 | current_target.to_post_wait = debug_to_post_wait; | |
2403 | current_target.to_fetch_registers = debug_to_fetch_registers; | |
2404 | current_target.to_store_registers = debug_to_store_registers; | |
2405 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
2406 | current_target.to_xfer_memory = debug_to_xfer_memory; | |
2407 | current_target.to_files_info = debug_to_files_info; | |
2408 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2409 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
ccaa32c7 GS |
2410 | current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint; |
2411 | current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint; | |
2412 | current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint; | |
2413 | current_target.to_insert_watchpoint = debug_to_insert_watchpoint; | |
2414 | current_target.to_remove_watchpoint = debug_to_remove_watchpoint; | |
2415 | current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint; | |
2416 | current_target.to_stopped_data_address = debug_to_stopped_data_address; | |
2417 | current_target.to_region_size_ok_for_hw_watchpoint = debug_to_region_size_ok_for_hw_watchpoint; | |
c906108c SS |
2418 | current_target.to_terminal_init = debug_to_terminal_init; |
2419 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2420 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2421 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
a790ad35 | 2422 | current_target.to_terminal_save_ours = debug_to_terminal_save_ours; |
c906108c SS |
2423 | current_target.to_terminal_info = debug_to_terminal_info; |
2424 | current_target.to_kill = debug_to_kill; | |
2425 | current_target.to_load = debug_to_load; | |
2426 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2427 | current_target.to_create_inferior = debug_to_create_inferior; | |
2428 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2429 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
2430 | current_target.to_clone_and_follow_inferior = debug_to_clone_and_follow_inferior; | |
2431 | current_target.to_post_follow_inferior_by_clone = debug_to_post_follow_inferior_by_clone; | |
2432 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; | |
2433 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2434 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2435 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
2436 | current_target.to_has_forked = debug_to_has_forked; | |
2437 | current_target.to_has_vforked = debug_to_has_vforked; | |
2438 | current_target.to_can_follow_vfork_prior_to_exec = debug_to_can_follow_vfork_prior_to_exec; | |
2439 | current_target.to_post_follow_vfork = debug_to_post_follow_vfork; | |
2440 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; | |
2441 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
2442 | current_target.to_has_execd = debug_to_has_execd; | |
2443 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; | |
2444 | current_target.to_has_syscall_event = debug_to_has_syscall_event; | |
2445 | current_target.to_has_exited = debug_to_has_exited; | |
2446 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2447 | current_target.to_can_run = debug_to_can_run; | |
2448 | current_target.to_notice_signals = debug_to_notice_signals; | |
2449 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 2450 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c SS |
2451 | current_target.to_stop = debug_to_stop; |
2452 | current_target.to_query = debug_to_query; | |
96baa820 | 2453 | current_target.to_rcmd = debug_to_rcmd; |
c906108c SS |
2454 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
2455 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
2456 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
c906108c SS |
2457 | |
2458 | } | |
c906108c | 2459 | \f |
c5aa993b JM |
2460 | |
2461 | static char targ_desc[] = | |
2462 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
2463 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
2464 | core-file, and process, if any), as well as the symbol file name."; | |
2465 | ||
96baa820 JM |
2466 | static void |
2467 | do_monitor_command (char *cmd, | |
2468 | int from_tty) | |
2469 | { | |
2b5fe715 AC |
2470 | if ((current_target.to_rcmd |
2471 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 2472 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
2473 | && (debug_target.to_rcmd |
2474 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
96baa820 JM |
2475 | { |
2476 | error ("\"monitor\" command not supported by this target.\n"); | |
2477 | } | |
2478 | target_rcmd (cmd, gdb_stdtarg); | |
2479 | } | |
2480 | ||
c906108c | 2481 | void |
fba45db2 | 2482 | initialize_targets (void) |
c906108c SS |
2483 | { |
2484 | init_dummy_target (); | |
2485 | push_target (&dummy_target); | |
2486 | ||
2487 | add_info ("target", target_info, targ_desc); | |
2488 | add_info ("files", target_info, targ_desc); | |
2489 | ||
3a11626d MS |
2490 | add_show_from_set |
2491 | (add_set_cmd ("target", class_maintenance, var_zinteger, | |
2492 | (char *) &targetdebug, | |
2493 | "Set target debugging.\n\ | |
5d161b24 | 2494 | When non-zero, target debugging is enabled.", &setdebuglist), |
3a11626d MS |
2495 | &showdebuglist); |
2496 | ||
e707bbc2 AC |
2497 | add_setshow_boolean_cmd ("trust-readonly-sections", class_support, |
2498 | &trust_readonly, "\ | |
2499 | Set mode for reading from readonly sections.\n\ | |
3a11626d MS |
2500 | When this mode is on, memory reads from readonly sections (such as .text)\n\ |
2501 | will be read from the object file instead of from the target. This will\n\ | |
e707bbc2 | 2502 | result in significant performance improvement for remote targets.", "\ |
c0e624e7 | 2503 | Show mode for reading from readonly sections.\n", |
e707bbc2 AC |
2504 | NULL, NULL, |
2505 | &setlist, &showlist); | |
96baa820 JM |
2506 | |
2507 | add_com ("monitor", class_obscure, do_monitor_command, | |
2508 | "Send a command to the remote monitor (remote targets only)."); | |
2509 | ||
8add0441 | 2510 | target_dcache = dcache_init (); |
c906108c | 2511 | } |