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 maybe_kill_then_attach (char *, int); |
c906108c | 48 | |
a14ed312 | 49 | static void kill_or_be_killed (int); |
c906108c | 50 | |
a14ed312 | 51 | static void default_terminal_info (char *, int); |
c906108c | 52 | |
ccaa32c7 GS |
53 | static int default_region_size_ok_for_hw_watchpoint (int); |
54 | ||
a14ed312 | 55 | static int nosymbol (char *, CORE_ADDR *); |
c906108c | 56 | |
a14ed312 | 57 | static void tcomplain (void); |
c906108c | 58 | |
a14ed312 | 59 | static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *); |
c906108c | 60 | |
a14ed312 | 61 | static int return_zero (void); |
c906108c | 62 | |
a14ed312 | 63 | static int return_one (void); |
c906108c | 64 | |
ccaa32c7 GS |
65 | static int return_minus_one (void); |
66 | ||
a14ed312 | 67 | void target_ignore (void); |
c906108c | 68 | |
a14ed312 | 69 | static void target_command (char *, int); |
c906108c | 70 | |
a14ed312 | 71 | static struct target_ops *find_default_run_target (char *); |
c906108c | 72 | |
a14ed312 | 73 | static void update_current_target (void); |
c906108c | 74 | |
a14ed312 | 75 | static void nosupport_runtime (void); |
392a587b | 76 | |
39f77062 | 77 | static void normal_target_post_startup_inferior (ptid_t ptid); |
392a587b | 78 | |
917317f4 JM |
79 | /* Transfer LEN bytes between target address MEMADDR and GDB address |
80 | MYADDR. Returns 0 for success, errno code for failure (which | |
81 | includes partial transfers -- if you want a more useful response to | |
82 | partial transfers, try either target_read_memory_partial or | |
83 | target_write_memory_partial). */ | |
c906108c | 84 | |
570b8f7c AC |
85 | static int target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, |
86 | int write); | |
c906108c | 87 | |
a14ed312 | 88 | static void init_dummy_target (void); |
c906108c | 89 | |
a14ed312 | 90 | static void debug_to_open (char *, int); |
c906108c | 91 | |
a14ed312 | 92 | static void debug_to_close (int); |
c906108c | 93 | |
a14ed312 | 94 | static void debug_to_attach (char *, int); |
c906108c | 95 | |
a14ed312 | 96 | static void debug_to_detach (char *, int); |
c906108c | 97 | |
6ad8ae5c DJ |
98 | static void debug_to_disconnect (char *, int); |
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 | ||
c906108c SS |
351 | /* Clean up a target struct so it no longer has any zero pointers in it. |
352 | We default entries, at least to stubs that print error messages. */ | |
353 | ||
354 | static void | |
fba45db2 | 355 | cleanup_target (struct target_ops *t) |
c906108c SS |
356 | { |
357 | ||
358 | #define de_fault(field, value) \ | |
0d06e24b JM |
359 | if (!t->field) \ |
360 | t->field = value | |
361 | ||
362 | de_fault (to_open, | |
363 | (void (*) (char *, int)) | |
364 | tcomplain); | |
365 | de_fault (to_close, | |
366 | (void (*) (int)) | |
367 | target_ignore); | |
368 | de_fault (to_attach, | |
369 | maybe_kill_then_attach); | |
370 | de_fault (to_post_attach, | |
371 | (void (*) (int)) | |
372 | target_ignore); | |
0d06e24b JM |
373 | de_fault (to_detach, |
374 | (void (*) (char *, int)) | |
375 | target_ignore); | |
6ad8ae5c DJ |
376 | de_fault (to_disconnect, |
377 | (void (*) (char *, int)) | |
378 | tcomplain); | |
0d06e24b | 379 | de_fault (to_resume, |
39f77062 | 380 | (void (*) (ptid_t, int, enum target_signal)) |
0d06e24b JM |
381 | noprocess); |
382 | de_fault (to_wait, | |
39f77062 | 383 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) |
0d06e24b JM |
384 | noprocess); |
385 | de_fault (to_post_wait, | |
39f77062 | 386 | (void (*) (ptid_t, int)) |
0d06e24b JM |
387 | target_ignore); |
388 | de_fault (to_fetch_registers, | |
389 | (void (*) (int)) | |
390 | target_ignore); | |
391 | de_fault (to_store_registers, | |
392 | (void (*) (int)) | |
393 | noprocess); | |
394 | de_fault (to_prepare_to_store, | |
395 | (void (*) (void)) | |
396 | noprocess); | |
397 | de_fault (to_xfer_memory, | |
29e57380 | 398 | (int (*) (CORE_ADDR, char *, int, int, struct mem_attrib *, struct target_ops *)) |
0d06e24b JM |
399 | nomemory); |
400 | de_fault (to_files_info, | |
401 | (void (*) (struct target_ops *)) | |
402 | target_ignore); | |
403 | de_fault (to_insert_breakpoint, | |
404 | memory_insert_breakpoint); | |
405 | de_fault (to_remove_breakpoint, | |
406 | memory_remove_breakpoint); | |
ccaa32c7 GS |
407 | de_fault (to_can_use_hw_breakpoint, |
408 | (int (*) (int, int, int)) | |
409 | return_zero); | |
410 | de_fault (to_insert_hw_breakpoint, | |
411 | (int (*) (CORE_ADDR, char *)) | |
412 | return_minus_one); | |
413 | de_fault (to_remove_hw_breakpoint, | |
414 | (int (*) (CORE_ADDR, char *)) | |
415 | return_minus_one); | |
416 | de_fault (to_insert_watchpoint, | |
417 | (int (*) (CORE_ADDR, int, int)) | |
418 | return_minus_one); | |
419 | de_fault (to_remove_watchpoint, | |
420 | (int (*) (CORE_ADDR, int, int)) | |
421 | return_minus_one); | |
422 | de_fault (to_stopped_by_watchpoint, | |
423 | (int (*) (void)) | |
424 | return_zero); | |
425 | de_fault (to_stopped_data_address, | |
426 | (CORE_ADDR (*) (void)) | |
427 | return_zero); | |
428 | de_fault (to_region_size_ok_for_hw_watchpoint, | |
429 | default_region_size_ok_for_hw_watchpoint); | |
0d06e24b JM |
430 | de_fault (to_terminal_init, |
431 | (void (*) (void)) | |
432 | target_ignore); | |
433 | de_fault (to_terminal_inferior, | |
434 | (void (*) (void)) | |
435 | target_ignore); | |
436 | de_fault (to_terminal_ours_for_output, | |
437 | (void (*) (void)) | |
438 | target_ignore); | |
439 | de_fault (to_terminal_ours, | |
440 | (void (*) (void)) | |
441 | target_ignore); | |
a790ad35 SC |
442 | de_fault (to_terminal_save_ours, |
443 | (void (*) (void)) | |
444 | target_ignore); | |
0d06e24b JM |
445 | de_fault (to_terminal_info, |
446 | default_terminal_info); | |
447 | de_fault (to_kill, | |
448 | (void (*) (void)) | |
449 | noprocess); | |
450 | de_fault (to_load, | |
451 | (void (*) (char *, int)) | |
452 | tcomplain); | |
453 | de_fault (to_lookup_symbol, | |
454 | (int (*) (char *, CORE_ADDR *)) | |
455 | nosymbol); | |
456 | de_fault (to_create_inferior, | |
457 | maybe_kill_then_create_inferior); | |
458 | de_fault (to_post_startup_inferior, | |
39f77062 | 459 | (void (*) (ptid_t)) |
0d06e24b JM |
460 | target_ignore); |
461 | de_fault (to_acknowledge_created_inferior, | |
462 | (void (*) (int)) | |
463 | target_ignore); | |
0d06e24b JM |
464 | de_fault (to_insert_fork_catchpoint, |
465 | (int (*) (int)) | |
466 | tcomplain); | |
467 | de_fault (to_remove_fork_catchpoint, | |
468 | (int (*) (int)) | |
469 | tcomplain); | |
470 | de_fault (to_insert_vfork_catchpoint, | |
471 | (int (*) (int)) | |
472 | tcomplain); | |
473 | de_fault (to_remove_vfork_catchpoint, | |
474 | (int (*) (int)) | |
475 | tcomplain); | |
4c9ba7e0 | 476 | de_fault (to_follow_fork, |
6604731b | 477 | (int (*) (int)) |
0d06e24b JM |
478 | target_ignore); |
479 | de_fault (to_insert_exec_catchpoint, | |
480 | (int (*) (int)) | |
481 | tcomplain); | |
482 | de_fault (to_remove_exec_catchpoint, | |
483 | (int (*) (int)) | |
484 | tcomplain); | |
0d06e24b JM |
485 | de_fault (to_reported_exec_events_per_exec_call, |
486 | (int (*) (void)) | |
487 | return_one); | |
0d06e24b JM |
488 | de_fault (to_has_exited, |
489 | (int (*) (int, int, int *)) | |
490 | return_zero); | |
491 | de_fault (to_mourn_inferior, | |
492 | (void (*) (void)) | |
493 | noprocess); | |
494 | de_fault (to_can_run, | |
495 | return_zero); | |
496 | de_fault (to_notice_signals, | |
39f77062 | 497 | (void (*) (ptid_t)) |
0d06e24b JM |
498 | target_ignore); |
499 | de_fault (to_thread_alive, | |
39f77062 | 500 | (int (*) (ptid_t)) |
0d06e24b JM |
501 | return_zero); |
502 | de_fault (to_find_new_threads, | |
503 | (void (*) (void)) | |
504 | target_ignore); | |
505 | de_fault (to_extra_thread_info, | |
506 | (char *(*) (struct thread_info *)) | |
507 | return_zero); | |
508 | de_fault (to_stop, | |
509 | (void (*) (void)) | |
510 | target_ignore); | |
0d06e24b | 511 | de_fault (to_rcmd, |
d9fcf2fb | 512 | (void (*) (char *, struct ui_file *)) |
0d06e24b JM |
513 | tcomplain); |
514 | de_fault (to_enable_exception_callback, | |
515 | (struct symtab_and_line * (*) (enum exception_event_kind, int)) | |
516 | nosupport_runtime); | |
517 | de_fault (to_get_current_exception_event, | |
518 | (struct exception_event_record * (*) (void)) | |
519 | nosupport_runtime); | |
520 | de_fault (to_pid_to_exec_file, | |
521 | (char *(*) (int)) | |
522 | return_zero); | |
0d06e24b JM |
523 | de_fault (to_can_async_p, |
524 | (int (*) (void)) | |
525 | return_zero); | |
526 | de_fault (to_is_async_p, | |
527 | (int (*) (void)) | |
528 | return_zero); | |
529 | de_fault (to_async, | |
530 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
531 | tcomplain); | |
c906108c SS |
532 | #undef de_fault |
533 | } | |
534 | ||
535 | /* Go through the target stack from top to bottom, copying over zero entries in | |
536 | current_target. In effect, we are doing class inheritance through the | |
537 | pushed target vectors. */ | |
538 | ||
539 | static void | |
fba45db2 | 540 | update_current_target (void) |
c906108c SS |
541 | { |
542 | struct target_stack_item *item; | |
543 | struct target_ops *t; | |
544 | ||
545 | /* First, reset current_target */ | |
546 | memset (¤t_target, 0, sizeof current_target); | |
547 | ||
548 | for (item = target_stack; item; item = item->next) | |
549 | { | |
550 | t = item->target_ops; | |
551 | ||
552 | #define INHERIT(FIELD, TARGET) \ | |
553 | if (!current_target.FIELD) \ | |
554 | current_target.FIELD = TARGET->FIELD | |
555 | ||
556 | INHERIT (to_shortname, t); | |
557 | INHERIT (to_longname, t); | |
558 | INHERIT (to_doc, t); | |
559 | INHERIT (to_open, t); | |
560 | INHERIT (to_close, t); | |
561 | INHERIT (to_attach, t); | |
562 | INHERIT (to_post_attach, t); | |
c906108c | 563 | INHERIT (to_detach, t); |
6ad8ae5c | 564 | INHERIT (to_disconnect, t); |
c906108c SS |
565 | INHERIT (to_resume, t); |
566 | INHERIT (to_wait, t); | |
567 | INHERIT (to_post_wait, t); | |
568 | INHERIT (to_fetch_registers, t); | |
569 | INHERIT (to_store_registers, t); | |
570 | INHERIT (to_prepare_to_store, t); | |
571 | INHERIT (to_xfer_memory, t); | |
572 | INHERIT (to_files_info, t); | |
573 | INHERIT (to_insert_breakpoint, t); | |
574 | INHERIT (to_remove_breakpoint, t); | |
ccaa32c7 GS |
575 | INHERIT (to_can_use_hw_breakpoint, t); |
576 | INHERIT (to_insert_hw_breakpoint, t); | |
577 | INHERIT (to_remove_hw_breakpoint, t); | |
578 | INHERIT (to_insert_watchpoint, t); | |
579 | INHERIT (to_remove_watchpoint, t); | |
580 | INHERIT (to_stopped_data_address, t); | |
581 | INHERIT (to_stopped_by_watchpoint, t); | |
7df1a324 | 582 | INHERIT (to_have_continuable_watchpoint, t); |
ccaa32c7 | 583 | INHERIT (to_region_size_ok_for_hw_watchpoint, t); |
c906108c SS |
584 | INHERIT (to_terminal_init, t); |
585 | INHERIT (to_terminal_inferior, t); | |
586 | INHERIT (to_terminal_ours_for_output, t); | |
587 | INHERIT (to_terminal_ours, t); | |
a790ad35 | 588 | INHERIT (to_terminal_save_ours, t); |
c906108c SS |
589 | INHERIT (to_terminal_info, t); |
590 | INHERIT (to_kill, t); | |
591 | INHERIT (to_load, t); | |
592 | INHERIT (to_lookup_symbol, t); | |
593 | INHERIT (to_create_inferior, t); | |
594 | INHERIT (to_post_startup_inferior, t); | |
595 | INHERIT (to_acknowledge_created_inferior, t); | |
c906108c SS |
596 | INHERIT (to_insert_fork_catchpoint, t); |
597 | INHERIT (to_remove_fork_catchpoint, t); | |
598 | INHERIT (to_insert_vfork_catchpoint, t); | |
599 | INHERIT (to_remove_vfork_catchpoint, t); | |
6604731b | 600 | INHERIT (to_follow_fork, t); |
c906108c SS |
601 | INHERIT (to_insert_exec_catchpoint, t); |
602 | INHERIT (to_remove_exec_catchpoint, t); | |
c906108c | 603 | INHERIT (to_reported_exec_events_per_exec_call, t); |
c906108c SS |
604 | INHERIT (to_has_exited, t); |
605 | INHERIT (to_mourn_inferior, t); | |
606 | INHERIT (to_can_run, t); | |
607 | INHERIT (to_notice_signals, t); | |
608 | INHERIT (to_thread_alive, t); | |
b83266a0 | 609 | INHERIT (to_find_new_threads, t); |
ed9a39eb | 610 | INHERIT (to_pid_to_str, t); |
0d06e24b | 611 | INHERIT (to_extra_thread_info, t); |
c906108c SS |
612 | INHERIT (to_stop, t); |
613 | INHERIT (to_query, t); | |
96baa820 | 614 | INHERIT (to_rcmd, t); |
c906108c SS |
615 | INHERIT (to_enable_exception_callback, t); |
616 | INHERIT (to_get_current_exception_event, t); | |
617 | INHERIT (to_pid_to_exec_file, t); | |
c906108c | 618 | INHERIT (to_stratum, t); |
c906108c SS |
619 | INHERIT (to_has_all_memory, t); |
620 | INHERIT (to_has_memory, t); | |
621 | INHERIT (to_has_stack, t); | |
622 | INHERIT (to_has_registers, t); | |
623 | INHERIT (to_has_execution, t); | |
624 | INHERIT (to_has_thread_control, t); | |
625 | INHERIT (to_sections, t); | |
626 | INHERIT (to_sections_end, t); | |
6426a772 JM |
627 | INHERIT (to_can_async_p, t); |
628 | INHERIT (to_is_async_p, t); | |
629 | INHERIT (to_async, t); | |
ed9a39eb | 630 | INHERIT (to_async_mask_value, t); |
be4d1333 MS |
631 | INHERIT (to_find_memory_regions, t); |
632 | INHERIT (to_make_corefile_notes, t); | |
3f47be5c | 633 | INHERIT (to_get_thread_local_address, t); |
c906108c SS |
634 | INHERIT (to_magic, t); |
635 | ||
636 | #undef INHERIT | |
637 | } | |
638 | } | |
639 | ||
640 | /* Push a new target type into the stack of the existing target accessors, | |
641 | possibly superseding some of the existing accessors. | |
642 | ||
643 | Result is zero if the pushed target ended up on top of the stack, | |
644 | nonzero if at least one target is on top of it. | |
645 | ||
646 | Rather than allow an empty stack, we always have the dummy target at | |
647 | the bottom stratum, so we can call the function vectors without | |
648 | checking them. */ | |
649 | ||
650 | int | |
fba45db2 | 651 | push_target (struct target_ops *t) |
c906108c SS |
652 | { |
653 | struct target_stack_item *cur, *prev, *tmp; | |
654 | ||
655 | /* Check magic number. If wrong, it probably means someone changed | |
656 | the struct definition, but not all the places that initialize one. */ | |
657 | if (t->to_magic != OPS_MAGIC) | |
658 | { | |
c5aa993b JM |
659 | fprintf_unfiltered (gdb_stderr, |
660 | "Magic number of %s target struct wrong\n", | |
661 | t->to_shortname); | |
e1e9e218 | 662 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
663 | } |
664 | ||
665 | /* Find the proper stratum to install this target in. */ | |
666 | ||
667 | for (prev = NULL, cur = target_stack; cur; prev = cur, cur = cur->next) | |
668 | { | |
c5aa993b | 669 | if ((int) (t->to_stratum) >= (int) (cur->target_ops->to_stratum)) |
c906108c SS |
670 | break; |
671 | } | |
672 | ||
673 | /* If there's already targets at this stratum, remove them. */ | |
674 | ||
675 | if (cur) | |
676 | while (t->to_stratum == cur->target_ops->to_stratum) | |
677 | { | |
678 | /* There's already something on this stratum. Close it off. */ | |
679 | if (cur->target_ops->to_close) | |
680 | (cur->target_ops->to_close) (0); | |
681 | if (prev) | |
c5aa993b | 682 | prev->next = cur->next; /* Unchain old target_ops */ |
c906108c | 683 | else |
c5aa993b | 684 | target_stack = cur->next; /* Unchain first on list */ |
c906108c | 685 | tmp = cur->next; |
b8c9b27d | 686 | xfree (cur); |
c906108c SS |
687 | cur = tmp; |
688 | } | |
689 | ||
690 | /* We have removed all targets in our stratum, now add the new one. */ | |
691 | ||
692 | tmp = (struct target_stack_item *) | |
693 | xmalloc (sizeof (struct target_stack_item)); | |
694 | tmp->next = cur; | |
695 | tmp->target_ops = t; | |
696 | ||
697 | if (prev) | |
698 | prev->next = tmp; | |
699 | else | |
700 | target_stack = tmp; | |
701 | ||
702 | update_current_target (); | |
703 | ||
c5aa993b | 704 | cleanup_target (¤t_target); /* Fill in the gaps */ |
c906108c | 705 | |
c906108c SS |
706 | if (targetdebug) |
707 | setup_target_debug (); | |
c906108c SS |
708 | |
709 | return prev != 0; | |
710 | } | |
711 | ||
712 | /* Remove a target_ops vector from the stack, wherever it may be. | |
713 | Return how many times it was removed (0 or 1). */ | |
714 | ||
715 | int | |
fba45db2 | 716 | unpush_target (struct target_ops *t) |
c906108c SS |
717 | { |
718 | struct target_stack_item *cur, *prev; | |
719 | ||
720 | if (t->to_close) | |
721 | t->to_close (0); /* Let it clean up */ | |
722 | ||
723 | /* Look for the specified target. Note that we assume that a target | |
724 | can only occur once in the target stack. */ | |
725 | ||
726 | for (cur = target_stack, prev = NULL; cur; prev = cur, cur = cur->next) | |
727 | if (cur->target_ops == t) | |
728 | break; | |
729 | ||
730 | if (!cur) | |
731 | return 0; /* Didn't find target_ops, quit now */ | |
732 | ||
733 | /* Unchain the target */ | |
734 | ||
735 | if (!prev) | |
736 | target_stack = cur->next; | |
737 | else | |
738 | prev->next = cur->next; | |
739 | ||
b8c9b27d | 740 | xfree (cur); /* Release the target_stack_item */ |
c906108c SS |
741 | |
742 | update_current_target (); | |
743 | cleanup_target (¤t_target); | |
744 | ||
745 | return 1; | |
746 | } | |
747 | ||
748 | void | |
fba45db2 | 749 | pop_target (void) |
c906108c | 750 | { |
c5aa993b | 751 | (current_target.to_close) (0); /* Let it clean up */ |
c906108c SS |
752 | if (unpush_target (target_stack->target_ops) == 1) |
753 | return; | |
754 | ||
c5aa993b JM |
755 | fprintf_unfiltered (gdb_stderr, |
756 | "pop_target couldn't find target %s\n", | |
757 | current_target.to_shortname); | |
e1e9e218 | 758 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
759 | } |
760 | ||
761 | #undef MIN | |
762 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
763 | ||
764 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
765 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
766 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
767 | is responsible for freeing it. Return the number of bytes successfully | |
768 | read. */ | |
769 | ||
770 | int | |
fba45db2 | 771 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
772 | { |
773 | int tlen, origlen, offset, i; | |
774 | char buf[4]; | |
775 | int errcode = 0; | |
776 | char *buffer; | |
777 | int buffer_allocated; | |
778 | char *bufptr; | |
779 | unsigned int nbytes_read = 0; | |
780 | ||
781 | /* Small for testing. */ | |
782 | buffer_allocated = 4; | |
783 | buffer = xmalloc (buffer_allocated); | |
784 | bufptr = buffer; | |
785 | ||
786 | origlen = len; | |
787 | ||
788 | while (len > 0) | |
789 | { | |
790 | tlen = MIN (len, 4 - (memaddr & 3)); | |
791 | offset = memaddr & 3; | |
792 | ||
d4b2399a | 793 | errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0); |
c906108c SS |
794 | if (errcode != 0) |
795 | { | |
796 | /* The transfer request might have crossed the boundary to an | |
797 | unallocated region of memory. Retry the transfer, requesting | |
798 | a single byte. */ | |
799 | tlen = 1; | |
800 | offset = 0; | |
d4b2399a | 801 | errcode = target_xfer_memory (memaddr, buf, 1, 0); |
c906108c SS |
802 | if (errcode != 0) |
803 | goto done; | |
804 | } | |
805 | ||
806 | if (bufptr - buffer + tlen > buffer_allocated) | |
807 | { | |
808 | unsigned int bytes; | |
809 | bytes = bufptr - buffer; | |
810 | buffer_allocated *= 2; | |
811 | buffer = xrealloc (buffer, buffer_allocated); | |
812 | bufptr = buffer + bytes; | |
813 | } | |
814 | ||
815 | for (i = 0; i < tlen; i++) | |
816 | { | |
817 | *bufptr++ = buf[i + offset]; | |
818 | if (buf[i + offset] == '\000') | |
819 | { | |
820 | nbytes_read += i + 1; | |
821 | goto done; | |
822 | } | |
823 | } | |
824 | ||
825 | memaddr += tlen; | |
826 | len -= tlen; | |
827 | nbytes_read += tlen; | |
828 | } | |
c5aa993b | 829 | done: |
c906108c SS |
830 | if (errnop != NULL) |
831 | *errnop = errcode; | |
832 | if (string != NULL) | |
833 | *string = buffer; | |
834 | return nbytes_read; | |
835 | } | |
836 | ||
837 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in | |
838 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
839 | if any error occurs. | |
840 | ||
841 | If an error occurs, no guarantee is made about the contents of the data at | |
842 | MYADDR. In particular, the caller should not depend upon partial reads | |
843 | filling the buffer with good data. There is no way for the caller to know | |
844 | how much good data might have been transfered anyway. Callers that can | |
845 | deal with partial reads should call target_read_memory_partial. */ | |
846 | ||
847 | int | |
fba45db2 | 848 | target_read_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 849 | { |
d4b2399a | 850 | return target_xfer_memory (memaddr, myaddr, len, 0); |
c906108c SS |
851 | } |
852 | ||
c906108c | 853 | int |
fba45db2 | 854 | target_write_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 855 | { |
d4b2399a | 856 | return target_xfer_memory (memaddr, myaddr, len, 1); |
c906108c | 857 | } |
c5aa993b | 858 | |
3a11626d MS |
859 | static int trust_readonly = 0; |
860 | ||
67e0617e C |
861 | /* Move memory to or from the targets. The top target gets priority; |
862 | if it cannot handle it, it is offered to the next one down, etc. | |
c906108c | 863 | |
67e0617e | 864 | Result is -1 on error, or the number of bytes transfered. */ |
c906108c | 865 | |
4930751a | 866 | int |
29e57380 C |
867 | do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
868 | struct mem_attrib *attrib) | |
c906108c | 869 | { |
c906108c | 870 | int res; |
4930751a | 871 | int done = 0; |
c906108c SS |
872 | struct target_ops *t; |
873 | struct target_stack_item *item; | |
874 | ||
875 | /* Zero length requests are ok and require no work. */ | |
876 | if (len == 0) | |
877 | return 0; | |
878 | ||
c906108c SS |
879 | /* to_xfer_memory is not guaranteed to set errno, even when it returns |
880 | 0. */ | |
881 | errno = 0; | |
882 | ||
3a11626d MS |
883 | if (!write && trust_readonly) |
884 | { | |
2ceb85d0 BE |
885 | /* User-settable option, "trust-readonly-sections". If true, |
886 | then memory from any SEC_READONLY bfd section may be read | |
887 | directly from the bfd file. */ | |
3a11626d MS |
888 | |
889 | struct section_table *secp; | |
890 | ||
891 | for (secp = current_target.to_sections; | |
892 | secp < current_target.to_sections_end; | |
893 | secp++) | |
894 | { | |
405f26e6 MS |
895 | if (bfd_get_section_flags (secp->bfd, secp->the_bfd_section) |
896 | & SEC_READONLY) | |
897 | if (memaddr >= secp->addr && memaddr < secp->endaddr) | |
898 | return xfer_memory (memaddr, myaddr, len, 0, | |
899 | attrib, ¤t_target); | |
3a11626d MS |
900 | } |
901 | } | |
902 | ||
67e0617e | 903 | /* The quick case is that the top target can handle the transfer. */ |
c906108c | 904 | res = current_target.to_xfer_memory |
29e57380 | 905 | (memaddr, myaddr, len, write, attrib, ¤t_target); |
c906108c | 906 | |
67e0617e C |
907 | /* If res <= 0 then we call it again in the loop. Ah well. */ |
908 | if (res <= 0) | |
c906108c | 909 | { |
c906108c SS |
910 | for (item = target_stack; item; item = item->next) |
911 | { | |
912 | t = item->target_ops; | |
913 | if (!t->to_has_memory) | |
914 | continue; | |
915 | ||
29e57380 | 916 | res = t->to_xfer_memory (memaddr, myaddr, len, write, attrib, t); |
c906108c SS |
917 | if (res > 0) |
918 | break; /* Handled all or part of xfer */ | |
919 | if (t->to_has_all_memory) | |
920 | break; | |
921 | } | |
922 | ||
4930751a | 923 | if (res <= 0) |
67e0617e | 924 | return -1; |
4930751a | 925 | } |
67e0617e C |
926 | |
927 | return res; | |
4930751a C |
928 | } |
929 | ||
67e0617e C |
930 | |
931 | /* Perform a memory transfer. Iterate until the entire region has | |
932 | been transfered. | |
933 | ||
934 | Result is 0 or errno value. */ | |
935 | ||
4930751a C |
936 | static int |
937 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write) | |
938 | { | |
939 | int res; | |
29e57380 C |
940 | int reg_len; |
941 | struct mem_region *region; | |
4930751a C |
942 | |
943 | /* Zero length requests are ok and require no work. */ | |
944 | if (len == 0) | |
945 | { | |
946 | return 0; | |
947 | } | |
948 | ||
949 | while (len > 0) | |
950 | { | |
29e57380 C |
951 | region = lookup_mem_region(memaddr); |
952 | if (memaddr + len < region->hi) | |
953 | reg_len = len; | |
954 | else | |
955 | reg_len = region->hi - memaddr; | |
956 | ||
957 | switch (region->attrib.mode) | |
c906108c | 958 | { |
29e57380 C |
959 | case MEM_RO: |
960 | if (write) | |
961 | return EIO; | |
962 | break; | |
963 | ||
964 | case MEM_WO: | |
c906108c | 965 | if (!write) |
c906108c | 966 | return EIO; |
29e57380 | 967 | break; |
c906108c | 968 | } |
4930751a | 969 | |
29e57380 C |
970 | while (reg_len > 0) |
971 | { | |
972 | if (region->attrib.cache) | |
8add0441 | 973 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, |
29e57380 C |
974 | reg_len, write); |
975 | else | |
8add0441 | 976 | res = do_xfer_memory (memaddr, myaddr, reg_len, write, |
29e57380 C |
977 | ®ion->attrib); |
978 | ||
979 | if (res <= 0) | |
980 | { | |
981 | /* If this address is for nonexistent memory, read zeros | |
982 | if reading, or do nothing if writing. Return | |
983 | error. */ | |
984 | if (!write) | |
985 | memset (myaddr, 0, len); | |
986 | if (errno == 0) | |
987 | return EIO; | |
988 | else | |
989 | return errno; | |
990 | } | |
991 | ||
992 | memaddr += res; | |
993 | myaddr += res; | |
994 | len -= res; | |
995 | reg_len -= res; | |
996 | } | |
c906108c | 997 | } |
4930751a | 998 | |
c906108c SS |
999 | return 0; /* We managed to cover it all somehow. */ |
1000 | } | |
1001 | ||
1002 | ||
67e0617e C |
1003 | /* Perform a partial memory transfer. |
1004 | ||
1005 | Result is -1 on error, or the number of bytes transfered. */ | |
917317f4 JM |
1006 | |
1007 | static int | |
4930751a | 1008 | target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len, |
917317f4 JM |
1009 | int write_p, int *err) |
1010 | { | |
1011 | int res; | |
29e57380 C |
1012 | int reg_len; |
1013 | struct mem_region *region; | |
917317f4 JM |
1014 | |
1015 | /* Zero length requests are ok and require no work. */ | |
1016 | if (len == 0) | |
1017 | { | |
1018 | *err = 0; | |
1019 | return 0; | |
1020 | } | |
1021 | ||
29e57380 C |
1022 | region = lookup_mem_region(memaddr); |
1023 | if (memaddr + len < region->hi) | |
1024 | reg_len = len; | |
1025 | else | |
1026 | reg_len = region->hi - memaddr; | |
1027 | ||
1028 | switch (region->attrib.mode) | |
1029 | { | |
1030 | case MEM_RO: | |
1031 | if (write_p) | |
1032 | { | |
1033 | *err = EIO; | |
873406a6 | 1034 | return -1; |
29e57380 C |
1035 | } |
1036 | break; | |
1037 | ||
1038 | case MEM_WO: | |
1039 | if (write_p) | |
1040 | { | |
1041 | *err = EIO; | |
873406a6 | 1042 | return -1; |
29e57380 C |
1043 | } |
1044 | break; | |
1045 | } | |
1046 | ||
1047 | if (region->attrib.cache) | |
1048 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, | |
1049 | reg_len, write_p); | |
1050 | else | |
1051 | res = do_xfer_memory (memaddr, myaddr, reg_len, write_p, | |
1052 | ®ion->attrib); | |
1053 | ||
4930751a | 1054 | if (res <= 0) |
917317f4 | 1055 | { |
4930751a C |
1056 | if (errno != 0) |
1057 | *err = errno; | |
1058 | else | |
1059 | *err = EIO; | |
917317f4 | 1060 | |
4930751a | 1061 | return -1; |
917317f4 JM |
1062 | } |
1063 | ||
4930751a | 1064 | *err = 0; |
67e0617e | 1065 | return res; |
917317f4 JM |
1066 | } |
1067 | ||
1068 | int | |
1069 | target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1070 | { | |
1071 | return target_xfer_memory_partial (memaddr, buf, len, 0, err); | |
1072 | } | |
1073 | ||
1074 | int | |
1075 | target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1076 | { | |
1077 | return target_xfer_memory_partial (memaddr, buf, len, 1, err); | |
1078 | } | |
1079 | ||
c906108c SS |
1080 | /* ARGSUSED */ |
1081 | static void | |
fba45db2 | 1082 | target_info (char *args, int from_tty) |
c906108c SS |
1083 | { |
1084 | struct target_ops *t; | |
1085 | struct target_stack_item *item; | |
1086 | int has_all_mem = 0; | |
c5aa993b | 1087 | |
c906108c SS |
1088 | if (symfile_objfile != NULL) |
1089 | printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name); | |
1090 | ||
1091 | #ifdef FILES_INFO_HOOK | |
1092 | if (FILES_INFO_HOOK ()) | |
1093 | return; | |
1094 | #endif | |
1095 | ||
1096 | for (item = target_stack; item; item = item->next) | |
1097 | { | |
1098 | t = item->target_ops; | |
1099 | ||
1100 | if (!t->to_has_memory) | |
1101 | continue; | |
1102 | ||
c5aa993b | 1103 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1104 | continue; |
1105 | if (has_all_mem) | |
c5aa993b JM |
1106 | printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n"); |
1107 | printf_unfiltered ("%s:\n", t->to_longname); | |
1108 | (t->to_files_info) (t); | |
c906108c SS |
1109 | has_all_mem = t->to_has_all_memory; |
1110 | } | |
1111 | } | |
1112 | ||
1113 | /* This is to be called by the open routine before it does | |
1114 | anything. */ | |
1115 | ||
1116 | void | |
fba45db2 | 1117 | target_preopen (int from_tty) |
c906108c | 1118 | { |
c5aa993b | 1119 | dont_repeat (); |
c906108c SS |
1120 | |
1121 | if (target_has_execution) | |
c5aa993b | 1122 | { |
adf40b2e JM |
1123 | if (!from_tty |
1124 | || query ("A program is being debugged already. Kill it? ")) | |
c5aa993b | 1125 | target_kill (); |
c906108c | 1126 | else |
c5aa993b | 1127 | error ("Program not killed."); |
c906108c SS |
1128 | } |
1129 | ||
1130 | /* Calling target_kill may remove the target from the stack. But if | |
1131 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1132 | ||
1133 | if (target_has_execution) | |
1134 | pop_target (); | |
1135 | } | |
1136 | ||
1137 | /* Detach a target after doing deferred register stores. */ | |
1138 | ||
1139 | void | |
fba45db2 | 1140 | target_detach (char *args, int from_tty) |
c906108c SS |
1141 | { |
1142 | /* Handle any optimized stores to the inferior. */ | |
1143 | #ifdef DO_DEFERRED_STORES | |
1144 | DO_DEFERRED_STORES; | |
1145 | #endif | |
1146 | (current_target.to_detach) (args, from_tty); | |
1147 | } | |
1148 | ||
6ad8ae5c DJ |
1149 | void |
1150 | target_disconnect (char *args, int from_tty) | |
1151 | { | |
1152 | /* Handle any optimized stores to the inferior. */ | |
1153 | #ifdef DO_DEFERRED_STORES | |
1154 | DO_DEFERRED_STORES; | |
1155 | #endif | |
1156 | (current_target.to_disconnect) (args, from_tty); | |
1157 | } | |
1158 | ||
c906108c | 1159 | void |
fba45db2 | 1160 | target_link (char *modname, CORE_ADDR *t_reloc) |
c906108c | 1161 | { |
c5aa993b | 1162 | if (STREQ (current_target.to_shortname, "rombug")) |
c906108c SS |
1163 | { |
1164 | (current_target.to_lookup_symbol) (modname, t_reloc); | |
1165 | if (*t_reloc == 0) | |
c5aa993b | 1166 | error ("Unable to link to %s and get relocation in rombug", modname); |
c906108c SS |
1167 | } |
1168 | else | |
2acceee2 | 1169 | *t_reloc = (CORE_ADDR) -1; |
c906108c SS |
1170 | } |
1171 | ||
ed9a39eb JM |
1172 | int |
1173 | target_async_mask (int mask) | |
1174 | { | |
1175 | int saved_async_masked_status = target_async_mask_value; | |
1176 | target_async_mask_value = mask; | |
1177 | return saved_async_masked_status; | |
1178 | } | |
1179 | ||
c906108c SS |
1180 | /* Look through the list of possible targets for a target that can |
1181 | execute a run or attach command without any other data. This is | |
1182 | used to locate the default process stratum. | |
1183 | ||
1184 | Result is always valid (error() is called for errors). */ | |
1185 | ||
1186 | static struct target_ops * | |
fba45db2 | 1187 | find_default_run_target (char *do_mesg) |
c906108c SS |
1188 | { |
1189 | struct target_ops **t; | |
1190 | struct target_ops *runable = NULL; | |
1191 | int count; | |
1192 | ||
1193 | count = 0; | |
1194 | ||
1195 | for (t = target_structs; t < target_structs + target_struct_size; | |
1196 | ++t) | |
1197 | { | |
c5aa993b | 1198 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1199 | { |
1200 | runable = *t; | |
1201 | ++count; | |
1202 | } | |
1203 | } | |
1204 | ||
1205 | if (count != 1) | |
1206 | error ("Don't know how to %s. Try \"help target\".", do_mesg); | |
1207 | ||
1208 | return runable; | |
1209 | } | |
1210 | ||
1211 | void | |
fba45db2 | 1212 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1213 | { |
1214 | struct target_ops *t; | |
1215 | ||
c5aa993b | 1216 | t = find_default_run_target ("attach"); |
c906108c SS |
1217 | (t->to_attach) (args, from_tty); |
1218 | return; | |
1219 | } | |
1220 | ||
c906108c | 1221 | void |
fba45db2 | 1222 | find_default_create_inferior (char *exec_file, char *allargs, char **env) |
c906108c SS |
1223 | { |
1224 | struct target_ops *t; | |
1225 | ||
c5aa993b | 1226 | t = find_default_run_target ("run"); |
c906108c SS |
1227 | (t->to_create_inferior) (exec_file, allargs, env); |
1228 | return; | |
1229 | } | |
1230 | ||
ccaa32c7 GS |
1231 | static int |
1232 | default_region_size_ok_for_hw_watchpoint (int byte_count) | |
1233 | { | |
b1e29e33 | 1234 | return (byte_count <= DEPRECATED_REGISTER_SIZE); |
ccaa32c7 GS |
1235 | } |
1236 | ||
c906108c | 1237 | static int |
fba45db2 | 1238 | return_zero (void) |
c906108c SS |
1239 | { |
1240 | return 0; | |
1241 | } | |
1242 | ||
1243 | static int | |
fba45db2 | 1244 | return_one (void) |
c906108c SS |
1245 | { |
1246 | return 1; | |
1247 | } | |
1248 | ||
ccaa32c7 GS |
1249 | static int |
1250 | return_minus_one (void) | |
1251 | { | |
1252 | return -1; | |
1253 | } | |
1254 | ||
6426a772 JM |
1255 | /* |
1256 | * Resize the to_sections pointer. Also make sure that anyone that | |
1257 | * was holding on to an old value of it gets updated. | |
1258 | * Returns the old size. | |
1259 | */ | |
1260 | ||
1261 | int | |
1262 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1263 | { | |
1264 | struct target_ops **t; | |
1265 | struct section_table *old_value; | |
1266 | int old_count; | |
1267 | ||
1268 | old_value = target->to_sections; | |
1269 | ||
1270 | if (target->to_sections) | |
1271 | { | |
1272 | old_count = target->to_sections_end - target->to_sections; | |
1273 | target->to_sections = (struct section_table *) | |
1274 | xrealloc ((char *) target->to_sections, | |
1275 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1276 | } | |
1277 | else | |
1278 | { | |
1279 | old_count = 0; | |
1280 | target->to_sections = (struct section_table *) | |
1281 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1282 | } | |
1283 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1284 | ||
1285 | /* Check to see if anyone else was pointing to this structure. | |
1286 | If old_value was null, then no one was. */ | |
1287 | ||
1288 | if (old_value) | |
1289 | { | |
1290 | for (t = target_structs; t < target_structs + target_struct_size; | |
1291 | ++t) | |
1292 | { | |
1293 | if ((*t)->to_sections == old_value) | |
1294 | { | |
1295 | (*t)->to_sections = target->to_sections; | |
1296 | (*t)->to_sections_end = target->to_sections_end; | |
1297 | } | |
1298 | } | |
1299 | } | |
1300 | ||
1301 | return old_count; | |
1302 | ||
1303 | } | |
1304 | ||
07cd4b97 JB |
1305 | /* Remove all target sections taken from ABFD. |
1306 | ||
1307 | Scan the current target stack for targets whose section tables | |
1308 | refer to sections from BFD, and remove those sections. We use this | |
1309 | when we notice that the inferior has unloaded a shared object, for | |
1310 | example. */ | |
1311 | void | |
1312 | remove_target_sections (bfd *abfd) | |
1313 | { | |
1314 | struct target_ops **t; | |
1315 | ||
1316 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1317 | { | |
1318 | struct section_table *src, *dest; | |
1319 | ||
1320 | dest = (*t)->to_sections; | |
1321 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1322 | if (src->bfd != abfd) | |
1323 | { | |
1324 | /* Keep this section. */ | |
1325 | if (dest < src) *dest = *src; | |
1326 | dest++; | |
1327 | } | |
1328 | ||
1329 | /* If we've dropped any sections, resize the section table. */ | |
1330 | if (dest < src) | |
1331 | target_resize_to_sections (*t, dest - src); | |
1332 | } | |
1333 | } | |
1334 | ||
1335 | ||
1336 | ||
1337 | ||
7a292a7a SS |
1338 | /* Find a single runnable target in the stack and return it. If for |
1339 | some reason there is more than one, return NULL. */ | |
1340 | ||
1341 | struct target_ops * | |
fba45db2 | 1342 | find_run_target (void) |
7a292a7a SS |
1343 | { |
1344 | struct target_ops **t; | |
1345 | struct target_ops *runable = NULL; | |
1346 | int count; | |
c5aa993b | 1347 | |
7a292a7a | 1348 | count = 0; |
c5aa993b | 1349 | |
7a292a7a SS |
1350 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1351 | { | |
c5aa993b | 1352 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1353 | { |
1354 | runable = *t; | |
1355 | ++count; | |
1356 | } | |
1357 | } | |
c5aa993b | 1358 | |
7a292a7a SS |
1359 | return (count == 1 ? runable : NULL); |
1360 | } | |
1361 | ||
ed9a39eb JM |
1362 | /* Find a single core_stratum target in the list of targets and return it. |
1363 | If for some reason there is more than one, return NULL. */ | |
1364 | ||
c906108c | 1365 | struct target_ops * |
fba45db2 | 1366 | find_core_target (void) |
c906108c SS |
1367 | { |
1368 | struct target_ops **t; | |
1369 | struct target_ops *runable = NULL; | |
1370 | int count; | |
c5aa993b | 1371 | |
c906108c | 1372 | count = 0; |
c5aa993b | 1373 | |
c906108c SS |
1374 | for (t = target_structs; t < target_structs + target_struct_size; |
1375 | ++t) | |
1376 | { | |
1377 | if ((*t)->to_stratum == core_stratum) | |
1378 | { | |
1379 | runable = *t; | |
1380 | ++count; | |
1381 | } | |
1382 | } | |
c5aa993b JM |
1383 | |
1384 | return (count == 1 ? runable : NULL); | |
c906108c | 1385 | } |
ed9a39eb JM |
1386 | |
1387 | /* | |
1388 | * Find the next target down the stack from the specified target. | |
1389 | */ | |
1390 | ||
1391 | struct target_ops * | |
fba45db2 | 1392 | find_target_beneath (struct target_ops *t) |
ed9a39eb JM |
1393 | { |
1394 | struct target_stack_item *cur; | |
1395 | ||
1396 | for (cur = target_stack; cur; cur = cur->next) | |
1397 | if (cur->target_ops == t) | |
1398 | break; | |
1399 | ||
1400 | if (cur == NULL || cur->next == NULL) | |
1401 | return NULL; | |
1402 | else | |
1403 | return cur->next->target_ops; | |
1404 | } | |
1405 | ||
c906108c SS |
1406 | \f |
1407 | /* The inferior process has died. Long live the inferior! */ | |
1408 | ||
1409 | void | |
fba45db2 | 1410 | generic_mourn_inferior (void) |
c906108c SS |
1411 | { |
1412 | extern int show_breakpoint_hit_counts; | |
1413 | ||
39f77062 | 1414 | inferior_ptid = null_ptid; |
c906108c SS |
1415 | attach_flag = 0; |
1416 | breakpoint_init_inferior (inf_exited); | |
1417 | registers_changed (); | |
1418 | ||
1419 | #ifdef CLEAR_DEFERRED_STORES | |
1420 | /* Delete any pending stores to the inferior... */ | |
1421 | CLEAR_DEFERRED_STORES; | |
1422 | #endif | |
1423 | ||
1424 | reopen_exec_file (); | |
1425 | reinit_frame_cache (); | |
1426 | ||
1427 | /* It is confusing to the user for ignore counts to stick around | |
1428 | from previous runs of the inferior. So clear them. */ | |
1429 | /* However, it is more confusing for the ignore counts to disappear when | |
1430 | using hit counts. So don't clear them if we're counting hits. */ | |
1431 | if (!show_breakpoint_hit_counts) | |
1432 | breakpoint_clear_ignore_counts (); | |
c5b739b5 FN |
1433 | |
1434 | if (detach_hook) | |
1435 | detach_hook (); | |
c906108c SS |
1436 | } |
1437 | \f | |
c906108c SS |
1438 | /* Helper function for child_wait and the Lynx derivatives of child_wait. |
1439 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1440 | translation of that in OURSTATUS. */ | |
1441 | void | |
fba45db2 | 1442 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c SS |
1443 | { |
1444 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1445 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1446 | if it wants to deal with hoststatus. */ | |
1447 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1448 | return; | |
1449 | #endif | |
1450 | ||
1451 | if (WIFEXITED (hoststatus)) | |
1452 | { | |
1453 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1454 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1455 | } | |
1456 | else if (!WIFSTOPPED (hoststatus)) | |
1457 | { | |
1458 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1459 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1460 | } | |
1461 | else | |
1462 | { | |
1463 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1464 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1465 | } | |
1466 | } | |
1467 | \f | |
c906108c | 1468 | /* Returns zero to leave the inferior alone, one to interrupt it. */ |
507f3c78 | 1469 | int (*target_activity_function) (void); |
c906108c SS |
1470 | int target_activity_fd; |
1471 | \f | |
1472 | /* Convert a normal process ID to a string. Returns the string in a static | |
1473 | buffer. */ | |
1474 | ||
1475 | char * | |
39f77062 | 1476 | normal_pid_to_str (ptid_t ptid) |
c906108c SS |
1477 | { |
1478 | static char buf[30]; | |
1479 | ||
39f77062 | 1480 | sprintf (buf, "process %d", PIDGET (ptid)); |
c906108c SS |
1481 | return buf; |
1482 | } | |
1483 | ||
1484 | /* Some targets (such as ttrace-based HPUX) don't allow us to request | |
1485 | notification of inferior events such as fork and vork immediately | |
1486 | after the inferior is created. (This because of how gdb gets an | |
1487 | inferior created via invoking a shell to do it. In such a scenario, | |
1488 | if the shell init file has commands in it, the shell will fork and | |
1489 | exec for each of those commands, and we will see each such fork | |
1490 | event. Very bad.) | |
c5aa993b | 1491 | |
c906108c SS |
1492 | This function is used by all targets that allow us to request |
1493 | notification of forks, etc at inferior creation time; e.g., in | |
1494 | target_acknowledge_forked_child. | |
c5aa993b | 1495 | */ |
392a587b | 1496 | static void |
39f77062 | 1497 | normal_target_post_startup_inferior (ptid_t ptid) |
c906108c SS |
1498 | { |
1499 | /* This space intentionally left blank. */ | |
1500 | } | |
1501 | ||
be4d1333 MS |
1502 | /* Error-catcher for target_find_memory_regions */ |
1503 | /* ARGSUSED */ | |
1504 | static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2) | |
1505 | { | |
1506 | error ("No target."); | |
1507 | return 0; | |
1508 | } | |
1509 | ||
1510 | /* Error-catcher for target_make_corefile_notes */ | |
1511 | /* ARGSUSED */ | |
1512 | static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2) | |
1513 | { | |
1514 | error ("No target."); | |
1515 | return NULL; | |
1516 | } | |
1517 | ||
c906108c SS |
1518 | /* Set up the handful of non-empty slots needed by the dummy target |
1519 | vector. */ | |
1520 | ||
1521 | static void | |
fba45db2 | 1522 | init_dummy_target (void) |
c906108c SS |
1523 | { |
1524 | dummy_target.to_shortname = "None"; | |
1525 | dummy_target.to_longname = "None"; | |
1526 | dummy_target.to_doc = ""; | |
1527 | dummy_target.to_attach = find_default_attach; | |
c906108c | 1528 | dummy_target.to_create_inferior = find_default_create_inferior; |
ed9a39eb | 1529 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c | 1530 | dummy_target.to_stratum = dummy_stratum; |
be4d1333 MS |
1531 | dummy_target.to_find_memory_regions = dummy_find_memory_regions; |
1532 | dummy_target.to_make_corefile_notes = dummy_make_corefile_notes; | |
c906108c SS |
1533 | dummy_target.to_magic = OPS_MAGIC; |
1534 | } | |
c906108c | 1535 | \f |
c5aa993b | 1536 | |
c906108c SS |
1537 | static struct target_ops debug_target; |
1538 | ||
1539 | static void | |
fba45db2 | 1540 | debug_to_open (char *args, int from_tty) |
c906108c SS |
1541 | { |
1542 | debug_target.to_open (args, from_tty); | |
1543 | ||
96baa820 | 1544 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
1545 | } |
1546 | ||
1547 | static void | |
fba45db2 | 1548 | debug_to_close (int quitting) |
c906108c SS |
1549 | { |
1550 | debug_target.to_close (quitting); | |
1551 | ||
96baa820 | 1552 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
1553 | } |
1554 | ||
1555 | static void | |
fba45db2 | 1556 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
1557 | { |
1558 | debug_target.to_attach (args, from_tty); | |
1559 | ||
96baa820 | 1560 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
1561 | } |
1562 | ||
1563 | ||
1564 | static void | |
fba45db2 | 1565 | debug_to_post_attach (int pid) |
c906108c SS |
1566 | { |
1567 | debug_target.to_post_attach (pid); | |
1568 | ||
96baa820 | 1569 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
1570 | } |
1571 | ||
c906108c | 1572 | static void |
fba45db2 | 1573 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
1574 | { |
1575 | debug_target.to_detach (args, from_tty); | |
1576 | ||
96baa820 | 1577 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
1578 | } |
1579 | ||
6ad8ae5c DJ |
1580 | static void |
1581 | debug_to_disconnect (char *args, int from_tty) | |
1582 | { | |
1583 | debug_target.to_disconnect (args, from_tty); | |
1584 | ||
1585 | fprintf_unfiltered (gdb_stdlog, "target_disconnect (%s, %d)\n", | |
1586 | args, from_tty); | |
1587 | } | |
1588 | ||
c906108c | 1589 | static void |
39f77062 | 1590 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 1591 | { |
39f77062 | 1592 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 1593 | |
39f77062 | 1594 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
1595 | step ? "step" : "continue", |
1596 | target_signal_to_name (siggnal)); | |
1597 | } | |
1598 | ||
39f77062 KB |
1599 | static ptid_t |
1600 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 1601 | { |
39f77062 | 1602 | ptid_t retval; |
c906108c | 1603 | |
39f77062 | 1604 | retval = debug_target.to_wait (ptid, status); |
c906108c | 1605 | |
96baa820 | 1606 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
1607 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
1608 | PIDGET (retval)); | |
96baa820 | 1609 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
1610 | switch (status->kind) |
1611 | { | |
1612 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 1613 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
1614 | status->value.integer); |
1615 | break; | |
1616 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 1617 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
1618 | target_signal_to_name (status->value.sig)); |
1619 | break; | |
1620 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 1621 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
1622 | target_signal_to_name (status->value.sig)); |
1623 | break; | |
1624 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 1625 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
1626 | break; |
1627 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 1628 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
1629 | break; |
1630 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 1631 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
1632 | break; |
1633 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 1634 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
1635 | break; |
1636 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 1637 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
1638 | break; |
1639 | default: | |
96baa820 | 1640 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
1641 | break; |
1642 | } | |
1643 | ||
1644 | return retval; | |
1645 | } | |
1646 | ||
1647 | static void | |
39f77062 | 1648 | debug_to_post_wait (ptid_t ptid, int status) |
c906108c | 1649 | { |
39f77062 | 1650 | debug_target.to_post_wait (ptid, status); |
c906108c | 1651 | |
96baa820 | 1652 | fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n", |
39f77062 | 1653 | PIDGET (ptid), status); |
c906108c SS |
1654 | } |
1655 | ||
bf0c5130 AC |
1656 | static void |
1657 | debug_print_register (const char * func, int regno) | |
1658 | { | |
1659 | fprintf_unfiltered (gdb_stdlog, "%s ", func); | |
1660 | if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS | |
1661 | && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0') | |
1662 | fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno)); | |
1663 | else | |
1664 | fprintf_unfiltered (gdb_stdlog, "(%d)", regno); | |
1665 | if (regno >= 0) | |
1666 | { | |
1667 | int i; | |
d9d9c31f | 1668 | unsigned char buf[MAX_REGISTER_SIZE]; |
4caf0990 | 1669 | deprecated_read_register_gen (regno, buf); |
bf0c5130 AC |
1670 | fprintf_unfiltered (gdb_stdlog, " = "); |
1671 | for (i = 0; i < REGISTER_RAW_SIZE (regno); i++) | |
1672 | { | |
1673 | fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]); | |
1674 | } | |
1675 | if (REGISTER_RAW_SIZE (regno) <= sizeof (LONGEST)) | |
1676 | { | |
1677 | fprintf_unfiltered (gdb_stdlog, " 0x%s %s", | |
1678 | paddr_nz (read_register (regno)), | |
1679 | paddr_d (read_register (regno))); | |
1680 | } | |
1681 | } | |
1682 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
1683 | } | |
1684 | ||
c906108c | 1685 | static void |
fba45db2 | 1686 | debug_to_fetch_registers (int regno) |
c906108c SS |
1687 | { |
1688 | debug_target.to_fetch_registers (regno); | |
bf0c5130 | 1689 | debug_print_register ("target_fetch_registers", regno); |
c906108c SS |
1690 | } |
1691 | ||
1692 | static void | |
fba45db2 | 1693 | debug_to_store_registers (int regno) |
c906108c SS |
1694 | { |
1695 | debug_target.to_store_registers (regno); | |
bf0c5130 AC |
1696 | debug_print_register ("target_store_registers", regno); |
1697 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
c906108c SS |
1698 | } |
1699 | ||
1700 | static void | |
fba45db2 | 1701 | debug_to_prepare_to_store (void) |
c906108c SS |
1702 | { |
1703 | debug_target.to_prepare_to_store (); | |
1704 | ||
96baa820 | 1705 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
1706 | } |
1707 | ||
1708 | static int | |
fba45db2 | 1709 | debug_to_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
29e57380 | 1710 | struct mem_attrib *attrib, |
fba45db2 | 1711 | struct target_ops *target) |
c906108c SS |
1712 | { |
1713 | int retval; | |
1714 | ||
29e57380 C |
1715 | retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, |
1716 | attrib, target); | |
c906108c | 1717 | |
96baa820 | 1718 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 1719 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 1720 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
1721 | len, write ? "write" : "read", retval); |
1722 | ||
c5aa993b | 1723 | |
c906108c SS |
1724 | |
1725 | if (retval > 0) | |
1726 | { | |
1727 | int i; | |
1728 | ||
96baa820 | 1729 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
1730 | for (i = 0; i < retval; i++) |
1731 | { | |
1732 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
96baa820 JM |
1733 | fprintf_unfiltered (gdb_stdlog, "\n"); |
1734 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); | |
c906108c SS |
1735 | } |
1736 | } | |
1737 | ||
96baa820 | 1738 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
1739 | |
1740 | return retval; | |
1741 | } | |
1742 | ||
1743 | static void | |
fba45db2 | 1744 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
1745 | { |
1746 | debug_target.to_files_info (target); | |
1747 | ||
96baa820 | 1748 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
1749 | } |
1750 | ||
1751 | static int | |
fba45db2 | 1752 | debug_to_insert_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1753 | { |
1754 | int retval; | |
1755 | ||
1756 | retval = debug_target.to_insert_breakpoint (addr, save); | |
1757 | ||
96baa820 | 1758 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1759 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
1760 | (unsigned long) addr, | |
1761 | (unsigned long) retval); | |
c906108c SS |
1762 | return retval; |
1763 | } | |
1764 | ||
1765 | static int | |
fba45db2 | 1766 | debug_to_remove_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1767 | { |
1768 | int retval; | |
1769 | ||
1770 | retval = debug_target.to_remove_breakpoint (addr, save); | |
1771 | ||
96baa820 | 1772 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1773 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
1774 | (unsigned long) addr, | |
1775 | (unsigned long) retval); | |
c906108c SS |
1776 | return retval; |
1777 | } | |
1778 | ||
ccaa32c7 GS |
1779 | static int |
1780 | debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty) | |
1781 | { | |
1782 | int retval; | |
1783 | ||
1784 | retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty); | |
1785 | ||
1786 | fprintf_unfiltered (gdb_stdlog, | |
1787 | "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n", | |
1788 | (unsigned long) type, | |
1789 | (unsigned long) cnt, | |
1790 | (unsigned long) from_tty, | |
1791 | (unsigned long) retval); | |
1792 | return retval; | |
1793 | } | |
1794 | ||
1795 | static int | |
1796 | debug_to_region_size_ok_for_hw_watchpoint (int byte_count) | |
1797 | { | |
1798 | CORE_ADDR retval; | |
1799 | ||
1800 | retval = debug_target.to_region_size_ok_for_hw_watchpoint (byte_count); | |
1801 | ||
1802 | fprintf_unfiltered (gdb_stdlog, | |
1803 | "TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (%ld) = 0x%lx\n", | |
1804 | (unsigned long) byte_count, | |
1805 | (unsigned long) retval); | |
1806 | return retval; | |
1807 | } | |
1808 | ||
1809 | static int | |
1810 | debug_to_stopped_by_watchpoint (void) | |
1811 | { | |
1812 | int retval; | |
1813 | ||
1814 | retval = debug_target.to_stopped_by_watchpoint (); | |
1815 | ||
1816 | fprintf_unfiltered (gdb_stdlog, | |
1817 | "STOPPED_BY_WATCHPOINT () = %ld\n", | |
1818 | (unsigned long) retval); | |
1819 | return retval; | |
1820 | } | |
1821 | ||
1822 | static CORE_ADDR | |
1823 | debug_to_stopped_data_address (void) | |
1824 | { | |
1825 | CORE_ADDR retval; | |
1826 | ||
1827 | retval = debug_target.to_stopped_data_address (); | |
1828 | ||
1829 | fprintf_unfiltered (gdb_stdlog, | |
1830 | "target_stopped_data_address () = 0x%lx\n", | |
1831 | (unsigned long) retval); | |
1832 | return retval; | |
1833 | } | |
1834 | ||
1835 | static int | |
1836 | debug_to_insert_hw_breakpoint (CORE_ADDR addr, char *save) | |
1837 | { | |
1838 | int retval; | |
1839 | ||
1840 | retval = debug_target.to_insert_hw_breakpoint (addr, save); | |
1841 | ||
1842 | fprintf_unfiltered (gdb_stdlog, | |
1843 | "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1844 | (unsigned long) addr, | |
1845 | (unsigned long) retval); | |
1846 | return retval; | |
1847 | } | |
1848 | ||
1849 | static int | |
1850 | debug_to_remove_hw_breakpoint (CORE_ADDR addr, char *save) | |
1851 | { | |
1852 | int retval; | |
1853 | ||
1854 | retval = debug_target.to_remove_hw_breakpoint (addr, save); | |
1855 | ||
1856 | fprintf_unfiltered (gdb_stdlog, | |
1857 | "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1858 | (unsigned long) addr, | |
1859 | (unsigned long) retval); | |
1860 | return retval; | |
1861 | } | |
1862 | ||
1863 | static int | |
1864 | debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type) | |
1865 | { | |
1866 | int retval; | |
1867 | ||
1868 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1869 | ||
1870 | fprintf_unfiltered (gdb_stdlog, | |
1871 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
1872 | (unsigned long) addr, len, type, (unsigned long) retval); | |
1873 | return retval; | |
1874 | } | |
1875 | ||
1876 | static int | |
1877 | debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type) | |
1878 | { | |
1879 | int retval; | |
1880 | ||
1881 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1882 | ||
1883 | fprintf_unfiltered (gdb_stdlog, | |
1884 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
1885 | (unsigned long) addr, len, type, (unsigned long) retval); | |
1886 | return retval; | |
1887 | } | |
1888 | ||
c906108c | 1889 | static void |
fba45db2 | 1890 | debug_to_terminal_init (void) |
c906108c SS |
1891 | { |
1892 | debug_target.to_terminal_init (); | |
1893 | ||
96baa820 | 1894 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
1895 | } |
1896 | ||
1897 | static void | |
fba45db2 | 1898 | debug_to_terminal_inferior (void) |
c906108c SS |
1899 | { |
1900 | debug_target.to_terminal_inferior (); | |
1901 | ||
96baa820 | 1902 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
1903 | } |
1904 | ||
1905 | static void | |
fba45db2 | 1906 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
1907 | { |
1908 | debug_target.to_terminal_ours_for_output (); | |
1909 | ||
96baa820 | 1910 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
1911 | } |
1912 | ||
1913 | static void | |
fba45db2 | 1914 | debug_to_terminal_ours (void) |
c906108c SS |
1915 | { |
1916 | debug_target.to_terminal_ours (); | |
1917 | ||
96baa820 | 1918 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
1919 | } |
1920 | ||
a790ad35 SC |
1921 | static void |
1922 | debug_to_terminal_save_ours (void) | |
1923 | { | |
1924 | debug_target.to_terminal_save_ours (); | |
1925 | ||
1926 | fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n"); | |
1927 | } | |
1928 | ||
c906108c | 1929 | static void |
fba45db2 | 1930 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
1931 | { |
1932 | debug_target.to_terminal_info (arg, from_tty); | |
1933 | ||
96baa820 | 1934 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
1935 | from_tty); |
1936 | } | |
1937 | ||
1938 | static void | |
fba45db2 | 1939 | debug_to_kill (void) |
c906108c SS |
1940 | { |
1941 | debug_target.to_kill (); | |
1942 | ||
96baa820 | 1943 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
1944 | } |
1945 | ||
1946 | static void | |
fba45db2 | 1947 | debug_to_load (char *args, int from_tty) |
c906108c SS |
1948 | { |
1949 | debug_target.to_load (args, from_tty); | |
1950 | ||
96baa820 | 1951 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
1952 | } |
1953 | ||
1954 | static int | |
fba45db2 | 1955 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
1956 | { |
1957 | int retval; | |
1958 | ||
1959 | retval = debug_target.to_lookup_symbol (name, addrp); | |
1960 | ||
96baa820 | 1961 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
1962 | |
1963 | return retval; | |
1964 | } | |
1965 | ||
1966 | static void | |
fba45db2 | 1967 | debug_to_create_inferior (char *exec_file, char *args, char **env) |
c906108c SS |
1968 | { |
1969 | debug_target.to_create_inferior (exec_file, args, env); | |
1970 | ||
96baa820 | 1971 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx)\n", |
c906108c SS |
1972 | exec_file, args); |
1973 | } | |
1974 | ||
1975 | static void | |
39f77062 | 1976 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 1977 | { |
39f77062 | 1978 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 1979 | |
96baa820 | 1980 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 1981 | PIDGET (ptid)); |
c906108c SS |
1982 | } |
1983 | ||
1984 | static void | |
fba45db2 | 1985 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
1986 | { |
1987 | debug_target.to_acknowledge_created_inferior (pid); | |
1988 | ||
96baa820 | 1989 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
1990 | pid); |
1991 | } | |
1992 | ||
c906108c | 1993 | static int |
fba45db2 | 1994 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 1995 | { |
c5aa993b | 1996 | int retval; |
c906108c SS |
1997 | |
1998 | retval = debug_target.to_insert_fork_catchpoint (pid); | |
1999 | ||
96baa820 | 2000 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2001 | pid, retval); |
c906108c SS |
2002 | |
2003 | return retval; | |
2004 | } | |
2005 | ||
2006 | static int | |
fba45db2 | 2007 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 2008 | { |
c5aa993b | 2009 | int retval; |
c906108c SS |
2010 | |
2011 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
2012 | ||
96baa820 | 2013 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2014 | pid, retval); |
c906108c SS |
2015 | |
2016 | return retval; | |
2017 | } | |
2018 | ||
2019 | static int | |
fba45db2 | 2020 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 2021 | { |
c5aa993b | 2022 | int retval; |
c906108c SS |
2023 | |
2024 | retval = debug_target.to_insert_vfork_catchpoint (pid); | |
2025 | ||
96baa820 | 2026 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n", |
c5aa993b | 2027 | pid, retval); |
c906108c SS |
2028 | |
2029 | return retval; | |
2030 | } | |
2031 | ||
2032 | static int | |
fba45db2 | 2033 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 2034 | { |
c5aa993b | 2035 | int retval; |
c906108c SS |
2036 | |
2037 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2038 | ||
96baa820 | 2039 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 2040 | pid, retval); |
c906108c SS |
2041 | |
2042 | return retval; | |
2043 | } | |
2044 | ||
6604731b DJ |
2045 | static int |
2046 | debug_to_follow_fork (int follow_child) | |
c906108c | 2047 | { |
6604731b | 2048 | int retval = debug_target.to_follow_fork (follow_child); |
c906108c | 2049 | |
6604731b DJ |
2050 | fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n", |
2051 | follow_child, retval); | |
2052 | ||
2053 | return retval; | |
c906108c SS |
2054 | } |
2055 | ||
2056 | static int | |
fba45db2 | 2057 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 2058 | { |
c5aa993b | 2059 | int retval; |
c906108c SS |
2060 | |
2061 | retval = debug_target.to_insert_exec_catchpoint (pid); | |
2062 | ||
96baa820 | 2063 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2064 | pid, retval); |
c906108c SS |
2065 | |
2066 | return retval; | |
2067 | } | |
2068 | ||
2069 | static int | |
fba45db2 | 2070 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 2071 | { |
c5aa993b | 2072 | int retval; |
c906108c SS |
2073 | |
2074 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2075 | ||
96baa820 | 2076 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2077 | pid, retval); |
c906108c SS |
2078 | |
2079 | return retval; | |
2080 | } | |
2081 | ||
c906108c | 2082 | static int |
fba45db2 | 2083 | debug_to_reported_exec_events_per_exec_call (void) |
c906108c | 2084 | { |
c5aa993b | 2085 | int reported_exec_events; |
c906108c SS |
2086 | |
2087 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
2088 | ||
96baa820 | 2089 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2090 | "target_reported_exec_events_per_exec_call () = %d\n", |
c5aa993b | 2091 | reported_exec_events); |
c906108c SS |
2092 | |
2093 | return reported_exec_events; | |
2094 | } | |
2095 | ||
c906108c | 2096 | static int |
fba45db2 | 2097 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2098 | { |
c5aa993b | 2099 | int has_exited; |
c906108c SS |
2100 | |
2101 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2102 | ||
96baa820 | 2103 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2104 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2105 | |
2106 | return has_exited; | |
2107 | } | |
2108 | ||
2109 | static void | |
fba45db2 | 2110 | debug_to_mourn_inferior (void) |
c906108c SS |
2111 | { |
2112 | debug_target.to_mourn_inferior (); | |
2113 | ||
96baa820 | 2114 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2115 | } |
2116 | ||
2117 | static int | |
fba45db2 | 2118 | debug_to_can_run (void) |
c906108c SS |
2119 | { |
2120 | int retval; | |
2121 | ||
2122 | retval = debug_target.to_can_run (); | |
2123 | ||
96baa820 | 2124 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2125 | |
2126 | return retval; | |
2127 | } | |
2128 | ||
2129 | static void | |
39f77062 | 2130 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2131 | { |
39f77062 | 2132 | debug_target.to_notice_signals (ptid); |
c906108c | 2133 | |
39f77062 KB |
2134 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2135 | PIDGET (ptid)); | |
c906108c SS |
2136 | } |
2137 | ||
2138 | static int | |
39f77062 | 2139 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2140 | { |
2141 | int retval; | |
2142 | ||
39f77062 | 2143 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2144 | |
96baa820 | 2145 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2146 | PIDGET (ptid), retval); |
c906108c SS |
2147 | |
2148 | return retval; | |
2149 | } | |
2150 | ||
0d06e24b | 2151 | static void |
fba45db2 | 2152 | debug_to_find_new_threads (void) |
0d06e24b JM |
2153 | { |
2154 | debug_target.to_find_new_threads (); | |
2155 | ||
2156 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2157 | } | |
2158 | ||
c906108c | 2159 | static void |
fba45db2 | 2160 | debug_to_stop (void) |
c906108c SS |
2161 | { |
2162 | debug_target.to_stop (); | |
2163 | ||
96baa820 | 2164 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2165 | } |
2166 | ||
2167 | static int | |
fba45db2 | 2168 | debug_to_query (int type, char *req, char *resp, int *siz) |
c906108c SS |
2169 | { |
2170 | int retval; | |
2171 | ||
2172 | retval = debug_target.to_query (type, req, resp, siz); | |
2173 | ||
96baa820 | 2174 | fprintf_unfiltered (gdb_stdlog, "target_query (%c, %s, %s, %d) = %d\n", type, req, resp, *siz, retval); |
c906108c SS |
2175 | |
2176 | return retval; | |
2177 | } | |
2178 | ||
96baa820 JM |
2179 | static void |
2180 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2181 | struct ui_file *outbuf) |
96baa820 JM |
2182 | { |
2183 | debug_target.to_rcmd (command, outbuf); | |
2184 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2185 | } | |
2186 | ||
c906108c | 2187 | static struct symtab_and_line * |
fba45db2 | 2188 | debug_to_enable_exception_callback (enum exception_event_kind kind, int enable) |
c906108c | 2189 | { |
7a292a7a SS |
2190 | struct symtab_and_line *result; |
2191 | result = debug_target.to_enable_exception_callback (kind, enable); | |
96baa820 | 2192 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2193 | "target get_exception_callback_sal (%d, %d)\n", |
2194 | kind, enable); | |
7a292a7a | 2195 | return result; |
c906108c SS |
2196 | } |
2197 | ||
2198 | static struct exception_event_record * | |
fba45db2 | 2199 | debug_to_get_current_exception_event (void) |
c906108c | 2200 | { |
7a292a7a | 2201 | struct exception_event_record *result; |
c5aa993b | 2202 | result = debug_target.to_get_current_exception_event (); |
96baa820 | 2203 | fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n"); |
7a292a7a | 2204 | return result; |
c906108c SS |
2205 | } |
2206 | ||
2207 | static char * | |
fba45db2 | 2208 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2209 | { |
c5aa993b | 2210 | char *exec_file; |
c906108c SS |
2211 | |
2212 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2213 | ||
96baa820 | 2214 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2215 | pid, exec_file); |
c906108c SS |
2216 | |
2217 | return exec_file; | |
2218 | } | |
2219 | ||
c906108c | 2220 | static void |
fba45db2 | 2221 | setup_target_debug (void) |
c906108c SS |
2222 | { |
2223 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2224 | ||
2225 | current_target.to_open = debug_to_open; | |
2226 | current_target.to_close = debug_to_close; | |
2227 | current_target.to_attach = debug_to_attach; | |
2228 | current_target.to_post_attach = debug_to_post_attach; | |
c906108c | 2229 | current_target.to_detach = debug_to_detach; |
6ad8ae5c | 2230 | current_target.to_disconnect = debug_to_disconnect; |
c906108c SS |
2231 | current_target.to_resume = debug_to_resume; |
2232 | current_target.to_wait = debug_to_wait; | |
2233 | current_target.to_post_wait = debug_to_post_wait; | |
2234 | current_target.to_fetch_registers = debug_to_fetch_registers; | |
2235 | current_target.to_store_registers = debug_to_store_registers; | |
2236 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
2237 | current_target.to_xfer_memory = debug_to_xfer_memory; | |
2238 | current_target.to_files_info = debug_to_files_info; | |
2239 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2240 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
ccaa32c7 GS |
2241 | current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint; |
2242 | current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint; | |
2243 | current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint; | |
2244 | current_target.to_insert_watchpoint = debug_to_insert_watchpoint; | |
2245 | current_target.to_remove_watchpoint = debug_to_remove_watchpoint; | |
2246 | current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint; | |
2247 | current_target.to_stopped_data_address = debug_to_stopped_data_address; | |
2248 | current_target.to_region_size_ok_for_hw_watchpoint = debug_to_region_size_ok_for_hw_watchpoint; | |
c906108c SS |
2249 | current_target.to_terminal_init = debug_to_terminal_init; |
2250 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2251 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2252 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
a790ad35 | 2253 | current_target.to_terminal_save_ours = debug_to_terminal_save_ours; |
c906108c SS |
2254 | current_target.to_terminal_info = debug_to_terminal_info; |
2255 | current_target.to_kill = debug_to_kill; | |
2256 | current_target.to_load = debug_to_load; | |
2257 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2258 | current_target.to_create_inferior = debug_to_create_inferior; | |
2259 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2260 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
c906108c SS |
2261 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; |
2262 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2263 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2264 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
6604731b | 2265 | current_target.to_follow_fork = debug_to_follow_fork; |
c906108c SS |
2266 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; |
2267 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
c906108c | 2268 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; |
c906108c SS |
2269 | current_target.to_has_exited = debug_to_has_exited; |
2270 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2271 | current_target.to_can_run = debug_to_can_run; | |
2272 | current_target.to_notice_signals = debug_to_notice_signals; | |
2273 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 2274 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c SS |
2275 | current_target.to_stop = debug_to_stop; |
2276 | current_target.to_query = debug_to_query; | |
96baa820 | 2277 | current_target.to_rcmd = debug_to_rcmd; |
c906108c SS |
2278 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
2279 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
2280 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
c906108c SS |
2281 | |
2282 | } | |
c906108c | 2283 | \f |
c5aa993b JM |
2284 | |
2285 | static char targ_desc[] = | |
2286 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
2287 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
2288 | core-file, and process, if any), as well as the symbol file name."; | |
2289 | ||
96baa820 JM |
2290 | static void |
2291 | do_monitor_command (char *cmd, | |
2292 | int from_tty) | |
2293 | { | |
2b5fe715 AC |
2294 | if ((current_target.to_rcmd |
2295 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 2296 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
2297 | && (debug_target.to_rcmd |
2298 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
96baa820 JM |
2299 | { |
2300 | error ("\"monitor\" command not supported by this target.\n"); | |
2301 | } | |
2302 | target_rcmd (cmd, gdb_stdtarg); | |
2303 | } | |
2304 | ||
c906108c | 2305 | void |
fba45db2 | 2306 | initialize_targets (void) |
c906108c SS |
2307 | { |
2308 | init_dummy_target (); | |
2309 | push_target (&dummy_target); | |
2310 | ||
2311 | add_info ("target", target_info, targ_desc); | |
2312 | add_info ("files", target_info, targ_desc); | |
2313 | ||
3a11626d MS |
2314 | add_show_from_set |
2315 | (add_set_cmd ("target", class_maintenance, var_zinteger, | |
2316 | (char *) &targetdebug, | |
2317 | "Set target debugging.\n\ | |
5d161b24 | 2318 | When non-zero, target debugging is enabled.", &setdebuglist), |
3a11626d MS |
2319 | &showdebuglist); |
2320 | ||
e707bbc2 AC |
2321 | add_setshow_boolean_cmd ("trust-readonly-sections", class_support, |
2322 | &trust_readonly, "\ | |
2323 | Set mode for reading from readonly sections.\n\ | |
3a11626d MS |
2324 | When this mode is on, memory reads from readonly sections (such as .text)\n\ |
2325 | will be read from the object file instead of from the target. This will\n\ | |
e707bbc2 | 2326 | result in significant performance improvement for remote targets.", "\ |
c0e624e7 | 2327 | Show mode for reading from readonly sections.\n", |
e707bbc2 AC |
2328 | NULL, NULL, |
2329 | &setlist, &showlist); | |
96baa820 JM |
2330 | |
2331 | add_com ("monitor", class_obscure, do_monitor_command, | |
2332 | "Send a command to the remote monitor (remote targets only)."); | |
2333 | ||
8add0441 | 2334 | target_dcache = dcache_init (); |
c906108c | 2335 | } |