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 | ||
258b763a | 183 | static struct target_ops *target_stack; |
c906108c SS |
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 | ||
c906108c | 209 | static void |
fba45db2 | 210 | target_command (char *arg, int from_tty) |
c906108c SS |
211 | { |
212 | fputs_filtered ("Argument required (target name). Try `help target'\n", | |
213 | gdb_stdout); | |
214 | } | |
215 | ||
216 | /* Add a possible target architecture to the list. */ | |
217 | ||
218 | void | |
fba45db2 | 219 | add_target (struct target_ops *t) |
c906108c SS |
220 | { |
221 | if (!target_structs) | |
222 | { | |
223 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
224 | target_structs = (struct target_ops **) xmalloc | |
225 | (target_struct_allocsize * sizeof (*target_structs)); | |
226 | } | |
227 | if (target_struct_size >= target_struct_allocsize) | |
228 | { | |
229 | target_struct_allocsize *= 2; | |
230 | target_structs = (struct target_ops **) | |
c5aa993b JM |
231 | xrealloc ((char *) target_structs, |
232 | target_struct_allocsize * sizeof (*target_structs)); | |
c906108c SS |
233 | } |
234 | target_structs[target_struct_size++] = t; | |
c5aa993b | 235 | /* cleanup_target (t); */ |
c906108c SS |
236 | |
237 | if (targetlist == NULL) | |
238 | add_prefix_cmd ("target", class_run, target_command, | |
239 | "Connect to a target machine or process.\n\ | |
240 | The first argument is the type or protocol of the target machine.\n\ | |
241 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
242 | information on the arguments for a particular protocol, type\n\ | |
243 | `help target ' followed by the protocol name.", | |
244 | &targetlist, "target ", 0, &cmdlist); | |
245 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
246 | } | |
247 | ||
248 | /* Stub functions */ | |
249 | ||
250 | void | |
fba45db2 | 251 | target_ignore (void) |
c906108c SS |
252 | { |
253 | } | |
254 | ||
11cf8741 JM |
255 | void |
256 | target_load (char *arg, int from_tty) | |
257 | { | |
4930751a | 258 | dcache_invalidate (target_dcache); |
11cf8741 JM |
259 | (*current_target.to_load) (arg, from_tty); |
260 | } | |
261 | ||
c906108c | 262 | static int |
fba45db2 KB |
263 | nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
264 | struct target_ops *t) | |
c906108c | 265 | { |
c5aa993b JM |
266 | errno = EIO; /* Can't read/write this location */ |
267 | return 0; /* No bytes handled */ | |
c906108c SS |
268 | } |
269 | ||
270 | static void | |
fba45db2 | 271 | tcomplain (void) |
c906108c SS |
272 | { |
273 | error ("You can't do that when your target is `%s'", | |
274 | current_target.to_shortname); | |
275 | } | |
276 | ||
277 | void | |
fba45db2 | 278 | noprocess (void) |
c906108c SS |
279 | { |
280 | error ("You can't do that without a process to debug."); | |
281 | } | |
282 | ||
c906108c | 283 | static int |
fba45db2 | 284 | nosymbol (char *name, CORE_ADDR *addrp) |
c906108c | 285 | { |
c5aa993b | 286 | return 1; /* Symbol does not exist in target env */ |
c906108c SS |
287 | } |
288 | ||
392a587b | 289 | static void |
fba45db2 | 290 | nosupport_runtime (void) |
c906108c | 291 | { |
39f77062 | 292 | if (ptid_equal (inferior_ptid, null_ptid)) |
c906108c SS |
293 | noprocess (); |
294 | else | |
295 | error ("No run-time support for this"); | |
296 | } | |
297 | ||
298 | ||
c906108c | 299 | static void |
fba45db2 | 300 | default_terminal_info (char *args, int from_tty) |
c906108c | 301 | { |
c5aa993b | 302 | printf_unfiltered ("No saved terminal information.\n"); |
c906108c SS |
303 | } |
304 | ||
305 | /* This is the default target_create_inferior and target_attach function. | |
306 | If the current target is executing, it asks whether to kill it off. | |
307 | If this function returns without calling error(), it has killed off | |
308 | the target, and the operation should be attempted. */ | |
309 | ||
310 | static void | |
fba45db2 | 311 | kill_or_be_killed (int from_tty) |
c906108c SS |
312 | { |
313 | if (target_has_execution) | |
314 | { | |
315 | printf_unfiltered ("You are already running a program:\n"); | |
316 | target_files_info (); | |
c5aa993b JM |
317 | if (query ("Kill it? ")) |
318 | { | |
319 | target_kill (); | |
320 | if (target_has_execution) | |
321 | error ("Killing the program did not help."); | |
322 | return; | |
323 | } | |
324 | else | |
325 | { | |
326 | error ("Program not killed."); | |
327 | } | |
c906108c | 328 | } |
c5aa993b | 329 | tcomplain (); |
c906108c SS |
330 | } |
331 | ||
332 | static void | |
fba45db2 | 333 | maybe_kill_then_attach (char *args, int from_tty) |
c906108c SS |
334 | { |
335 | kill_or_be_killed (from_tty); | |
336 | target_attach (args, from_tty); | |
337 | } | |
338 | ||
339 | static void | |
fba45db2 | 340 | maybe_kill_then_create_inferior (char *exec, char *args, char **env) |
c906108c SS |
341 | { |
342 | kill_or_be_killed (0); | |
343 | target_create_inferior (exec, args, env); | |
344 | } | |
345 | ||
c906108c SS |
346 | /* Clean up a target struct so it no longer has any zero pointers in it. |
347 | We default entries, at least to stubs that print error messages. */ | |
348 | ||
349 | static void | |
fba45db2 | 350 | cleanup_target (struct target_ops *t) |
c906108c SS |
351 | { |
352 | ||
353 | #define de_fault(field, value) \ | |
0d06e24b JM |
354 | if (!t->field) \ |
355 | t->field = value | |
356 | ||
357 | de_fault (to_open, | |
358 | (void (*) (char *, int)) | |
359 | tcomplain); | |
360 | de_fault (to_close, | |
361 | (void (*) (int)) | |
362 | target_ignore); | |
363 | de_fault (to_attach, | |
364 | maybe_kill_then_attach); | |
365 | de_fault (to_post_attach, | |
366 | (void (*) (int)) | |
367 | target_ignore); | |
0d06e24b JM |
368 | de_fault (to_detach, |
369 | (void (*) (char *, int)) | |
370 | target_ignore); | |
6ad8ae5c DJ |
371 | de_fault (to_disconnect, |
372 | (void (*) (char *, int)) | |
373 | tcomplain); | |
0d06e24b | 374 | de_fault (to_resume, |
39f77062 | 375 | (void (*) (ptid_t, int, enum target_signal)) |
0d06e24b JM |
376 | noprocess); |
377 | de_fault (to_wait, | |
39f77062 | 378 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) |
0d06e24b JM |
379 | noprocess); |
380 | de_fault (to_post_wait, | |
39f77062 | 381 | (void (*) (ptid_t, int)) |
0d06e24b JM |
382 | target_ignore); |
383 | de_fault (to_fetch_registers, | |
384 | (void (*) (int)) | |
385 | target_ignore); | |
386 | de_fault (to_store_registers, | |
387 | (void (*) (int)) | |
388 | noprocess); | |
389 | de_fault (to_prepare_to_store, | |
390 | (void (*) (void)) | |
391 | noprocess); | |
392 | de_fault (to_xfer_memory, | |
29e57380 | 393 | (int (*) (CORE_ADDR, char *, int, int, struct mem_attrib *, struct target_ops *)) |
0d06e24b JM |
394 | nomemory); |
395 | de_fault (to_files_info, | |
396 | (void (*) (struct target_ops *)) | |
397 | target_ignore); | |
398 | de_fault (to_insert_breakpoint, | |
399 | memory_insert_breakpoint); | |
400 | de_fault (to_remove_breakpoint, | |
401 | memory_remove_breakpoint); | |
ccaa32c7 GS |
402 | de_fault (to_can_use_hw_breakpoint, |
403 | (int (*) (int, int, int)) | |
404 | return_zero); | |
405 | de_fault (to_insert_hw_breakpoint, | |
406 | (int (*) (CORE_ADDR, char *)) | |
407 | return_minus_one); | |
408 | de_fault (to_remove_hw_breakpoint, | |
409 | (int (*) (CORE_ADDR, char *)) | |
410 | return_minus_one); | |
411 | de_fault (to_insert_watchpoint, | |
412 | (int (*) (CORE_ADDR, int, int)) | |
413 | return_minus_one); | |
414 | de_fault (to_remove_watchpoint, | |
415 | (int (*) (CORE_ADDR, int, int)) | |
416 | return_minus_one); | |
417 | de_fault (to_stopped_by_watchpoint, | |
418 | (int (*) (void)) | |
419 | return_zero); | |
420 | de_fault (to_stopped_data_address, | |
421 | (CORE_ADDR (*) (void)) | |
422 | return_zero); | |
423 | de_fault (to_region_size_ok_for_hw_watchpoint, | |
424 | default_region_size_ok_for_hw_watchpoint); | |
0d06e24b JM |
425 | de_fault (to_terminal_init, |
426 | (void (*) (void)) | |
427 | target_ignore); | |
428 | de_fault (to_terminal_inferior, | |
429 | (void (*) (void)) | |
430 | target_ignore); | |
431 | de_fault (to_terminal_ours_for_output, | |
432 | (void (*) (void)) | |
433 | target_ignore); | |
434 | de_fault (to_terminal_ours, | |
435 | (void (*) (void)) | |
436 | target_ignore); | |
a790ad35 SC |
437 | de_fault (to_terminal_save_ours, |
438 | (void (*) (void)) | |
439 | target_ignore); | |
0d06e24b JM |
440 | de_fault (to_terminal_info, |
441 | default_terminal_info); | |
442 | de_fault (to_kill, | |
443 | (void (*) (void)) | |
444 | noprocess); | |
445 | de_fault (to_load, | |
446 | (void (*) (char *, int)) | |
447 | tcomplain); | |
448 | de_fault (to_lookup_symbol, | |
449 | (int (*) (char *, CORE_ADDR *)) | |
450 | nosymbol); | |
451 | de_fault (to_create_inferior, | |
452 | maybe_kill_then_create_inferior); | |
453 | de_fault (to_post_startup_inferior, | |
39f77062 | 454 | (void (*) (ptid_t)) |
0d06e24b JM |
455 | target_ignore); |
456 | de_fault (to_acknowledge_created_inferior, | |
457 | (void (*) (int)) | |
458 | target_ignore); | |
0d06e24b JM |
459 | de_fault (to_insert_fork_catchpoint, |
460 | (int (*) (int)) | |
461 | tcomplain); | |
462 | de_fault (to_remove_fork_catchpoint, | |
463 | (int (*) (int)) | |
464 | tcomplain); | |
465 | de_fault (to_insert_vfork_catchpoint, | |
466 | (int (*) (int)) | |
467 | tcomplain); | |
468 | de_fault (to_remove_vfork_catchpoint, | |
469 | (int (*) (int)) | |
470 | tcomplain); | |
4c9ba7e0 | 471 | de_fault (to_follow_fork, |
6604731b | 472 | (int (*) (int)) |
0d06e24b JM |
473 | target_ignore); |
474 | de_fault (to_insert_exec_catchpoint, | |
475 | (int (*) (int)) | |
476 | tcomplain); | |
477 | de_fault (to_remove_exec_catchpoint, | |
478 | (int (*) (int)) | |
479 | tcomplain); | |
0d06e24b JM |
480 | de_fault (to_reported_exec_events_per_exec_call, |
481 | (int (*) (void)) | |
482 | return_one); | |
0d06e24b JM |
483 | de_fault (to_has_exited, |
484 | (int (*) (int, int, int *)) | |
485 | return_zero); | |
486 | de_fault (to_mourn_inferior, | |
487 | (void (*) (void)) | |
488 | noprocess); | |
489 | de_fault (to_can_run, | |
490 | return_zero); | |
491 | de_fault (to_notice_signals, | |
39f77062 | 492 | (void (*) (ptid_t)) |
0d06e24b JM |
493 | target_ignore); |
494 | de_fault (to_thread_alive, | |
39f77062 | 495 | (int (*) (ptid_t)) |
0d06e24b JM |
496 | return_zero); |
497 | de_fault (to_find_new_threads, | |
498 | (void (*) (void)) | |
499 | target_ignore); | |
500 | de_fault (to_extra_thread_info, | |
501 | (char *(*) (struct thread_info *)) | |
502 | return_zero); | |
503 | de_fault (to_stop, | |
504 | (void (*) (void)) | |
505 | target_ignore); | |
0d06e24b | 506 | de_fault (to_rcmd, |
d9fcf2fb | 507 | (void (*) (char *, struct ui_file *)) |
0d06e24b JM |
508 | tcomplain); |
509 | de_fault (to_enable_exception_callback, | |
510 | (struct symtab_and_line * (*) (enum exception_event_kind, int)) | |
511 | nosupport_runtime); | |
512 | de_fault (to_get_current_exception_event, | |
513 | (struct exception_event_record * (*) (void)) | |
514 | nosupport_runtime); | |
515 | de_fault (to_pid_to_exec_file, | |
516 | (char *(*) (int)) | |
517 | return_zero); | |
0d06e24b JM |
518 | de_fault (to_can_async_p, |
519 | (int (*) (void)) | |
520 | return_zero); | |
521 | de_fault (to_is_async_p, | |
522 | (int (*) (void)) | |
523 | return_zero); | |
524 | de_fault (to_async, | |
525 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
526 | tcomplain); | |
c906108c SS |
527 | #undef de_fault |
528 | } | |
529 | ||
530 | /* Go through the target stack from top to bottom, copying over zero entries in | |
531 | current_target. In effect, we are doing class inheritance through the | |
532 | pushed target vectors. */ | |
533 | ||
534 | static void | |
fba45db2 | 535 | update_current_target (void) |
c906108c | 536 | { |
c906108c SS |
537 | struct target_ops *t; |
538 | ||
539 | /* First, reset current_target */ | |
540 | memset (¤t_target, 0, sizeof current_target); | |
541 | ||
258b763a | 542 | for (t = target_stack; t; t = t->beneath) |
c906108c | 543 | { |
c906108c SS |
544 | |
545 | #define INHERIT(FIELD, TARGET) \ | |
546 | if (!current_target.FIELD) \ | |
547 | current_target.FIELD = TARGET->FIELD | |
548 | ||
549 | INHERIT (to_shortname, t); | |
550 | INHERIT (to_longname, t); | |
551 | INHERIT (to_doc, t); | |
552 | INHERIT (to_open, t); | |
553 | INHERIT (to_close, t); | |
554 | INHERIT (to_attach, t); | |
555 | INHERIT (to_post_attach, t); | |
c906108c | 556 | INHERIT (to_detach, t); |
6ad8ae5c | 557 | INHERIT (to_disconnect, t); |
c906108c SS |
558 | INHERIT (to_resume, t); |
559 | INHERIT (to_wait, t); | |
560 | INHERIT (to_post_wait, t); | |
561 | INHERIT (to_fetch_registers, t); | |
562 | INHERIT (to_store_registers, t); | |
563 | INHERIT (to_prepare_to_store, t); | |
564 | INHERIT (to_xfer_memory, t); | |
565 | INHERIT (to_files_info, t); | |
566 | INHERIT (to_insert_breakpoint, t); | |
567 | INHERIT (to_remove_breakpoint, t); | |
ccaa32c7 GS |
568 | INHERIT (to_can_use_hw_breakpoint, t); |
569 | INHERIT (to_insert_hw_breakpoint, t); | |
570 | INHERIT (to_remove_hw_breakpoint, t); | |
571 | INHERIT (to_insert_watchpoint, t); | |
572 | INHERIT (to_remove_watchpoint, t); | |
573 | INHERIT (to_stopped_data_address, t); | |
574 | INHERIT (to_stopped_by_watchpoint, t); | |
7df1a324 | 575 | INHERIT (to_have_continuable_watchpoint, t); |
ccaa32c7 | 576 | INHERIT (to_region_size_ok_for_hw_watchpoint, t); |
c906108c SS |
577 | INHERIT (to_terminal_init, t); |
578 | INHERIT (to_terminal_inferior, t); | |
579 | INHERIT (to_terminal_ours_for_output, t); | |
580 | INHERIT (to_terminal_ours, t); | |
a790ad35 | 581 | INHERIT (to_terminal_save_ours, t); |
c906108c SS |
582 | INHERIT (to_terminal_info, t); |
583 | INHERIT (to_kill, t); | |
584 | INHERIT (to_load, t); | |
585 | INHERIT (to_lookup_symbol, t); | |
586 | INHERIT (to_create_inferior, t); | |
587 | INHERIT (to_post_startup_inferior, t); | |
588 | INHERIT (to_acknowledge_created_inferior, t); | |
c906108c SS |
589 | INHERIT (to_insert_fork_catchpoint, t); |
590 | INHERIT (to_remove_fork_catchpoint, t); | |
591 | INHERIT (to_insert_vfork_catchpoint, t); | |
592 | INHERIT (to_remove_vfork_catchpoint, t); | |
6604731b | 593 | INHERIT (to_follow_fork, t); |
c906108c SS |
594 | INHERIT (to_insert_exec_catchpoint, t); |
595 | INHERIT (to_remove_exec_catchpoint, t); | |
c906108c | 596 | INHERIT (to_reported_exec_events_per_exec_call, t); |
c906108c SS |
597 | INHERIT (to_has_exited, t); |
598 | INHERIT (to_mourn_inferior, t); | |
599 | INHERIT (to_can_run, t); | |
600 | INHERIT (to_notice_signals, t); | |
601 | INHERIT (to_thread_alive, t); | |
b83266a0 | 602 | INHERIT (to_find_new_threads, t); |
ed9a39eb | 603 | INHERIT (to_pid_to_str, t); |
0d06e24b | 604 | INHERIT (to_extra_thread_info, t); |
c906108c SS |
605 | INHERIT (to_stop, t); |
606 | INHERIT (to_query, t); | |
96baa820 | 607 | INHERIT (to_rcmd, t); |
c906108c SS |
608 | INHERIT (to_enable_exception_callback, t); |
609 | INHERIT (to_get_current_exception_event, t); | |
610 | INHERIT (to_pid_to_exec_file, t); | |
c906108c | 611 | INHERIT (to_stratum, t); |
c906108c SS |
612 | INHERIT (to_has_all_memory, t); |
613 | INHERIT (to_has_memory, t); | |
614 | INHERIT (to_has_stack, t); | |
615 | INHERIT (to_has_registers, t); | |
616 | INHERIT (to_has_execution, t); | |
617 | INHERIT (to_has_thread_control, t); | |
618 | INHERIT (to_sections, t); | |
619 | INHERIT (to_sections_end, t); | |
6426a772 JM |
620 | INHERIT (to_can_async_p, t); |
621 | INHERIT (to_is_async_p, t); | |
622 | INHERIT (to_async, t); | |
ed9a39eb | 623 | INHERIT (to_async_mask_value, t); |
be4d1333 MS |
624 | INHERIT (to_find_memory_regions, t); |
625 | INHERIT (to_make_corefile_notes, t); | |
3f47be5c | 626 | INHERIT (to_get_thread_local_address, t); |
c906108c SS |
627 | INHERIT (to_magic, t); |
628 | ||
629 | #undef INHERIT | |
630 | } | |
631 | } | |
632 | ||
633 | /* Push a new target type into the stack of the existing target accessors, | |
634 | possibly superseding some of the existing accessors. | |
635 | ||
636 | Result is zero if the pushed target ended up on top of the stack, | |
637 | nonzero if at least one target is on top of it. | |
638 | ||
639 | Rather than allow an empty stack, we always have the dummy target at | |
640 | the bottom stratum, so we can call the function vectors without | |
641 | checking them. */ | |
642 | ||
643 | int | |
fba45db2 | 644 | push_target (struct target_ops *t) |
c906108c | 645 | { |
258b763a | 646 | struct target_ops **cur; |
c906108c SS |
647 | |
648 | /* Check magic number. If wrong, it probably means someone changed | |
649 | the struct definition, but not all the places that initialize one. */ | |
650 | if (t->to_magic != OPS_MAGIC) | |
651 | { | |
c5aa993b JM |
652 | fprintf_unfiltered (gdb_stderr, |
653 | "Magic number of %s target struct wrong\n", | |
654 | t->to_shortname); | |
e1e9e218 | 655 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
656 | } |
657 | ||
258b763a AC |
658 | /* Find the proper stratum to install this target in. */ |
659 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) | |
c906108c | 660 | { |
258b763a | 661 | if ((int) (t->to_stratum) >= (int) (*cur)->to_stratum) |
c906108c SS |
662 | break; |
663 | } | |
664 | ||
258b763a AC |
665 | /* If there's already targets at this stratum, remove them. */ |
666 | /* FIXME: cagney/2003-10-15: I think this should be poping all | |
667 | targets to CUR, and not just those at this stratum level. */ | |
668 | while ((*cur) != NULL && t->to_stratum == (*cur)->to_stratum) | |
669 | { | |
670 | /* There's already something at this stratum level. Close it, | |
671 | and un-hook it from the stack. */ | |
672 | struct target_ops *tmp = (*cur); | |
673 | (*cur) = (*cur)->beneath; | |
674 | tmp->beneath = NULL; | |
675 | if (tmp->to_close) | |
676 | (tmp->to_close) (0); | |
677 | } | |
c906108c SS |
678 | |
679 | /* We have removed all targets in our stratum, now add the new one. */ | |
258b763a AC |
680 | t->beneath = (*cur); |
681 | (*cur) = t; | |
c906108c SS |
682 | |
683 | update_current_target (); | |
684 | ||
c5aa993b | 685 | cleanup_target (¤t_target); /* Fill in the gaps */ |
c906108c | 686 | |
c906108c SS |
687 | if (targetdebug) |
688 | setup_target_debug (); | |
c906108c | 689 | |
258b763a AC |
690 | /* Not on top? */ |
691 | return (t != target_stack); | |
c906108c SS |
692 | } |
693 | ||
694 | /* Remove a target_ops vector from the stack, wherever it may be. | |
695 | Return how many times it was removed (0 or 1). */ | |
696 | ||
697 | int | |
fba45db2 | 698 | unpush_target (struct target_ops *t) |
c906108c | 699 | { |
258b763a AC |
700 | struct target_ops **cur; |
701 | struct target_ops *tmp; | |
c906108c SS |
702 | |
703 | if (t->to_close) | |
704 | t->to_close (0); /* Let it clean up */ | |
705 | ||
706 | /* Look for the specified target. Note that we assume that a target | |
707 | can only occur once in the target stack. */ | |
708 | ||
258b763a AC |
709 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) |
710 | { | |
711 | if ((*cur) == t) | |
712 | break; | |
713 | } | |
c906108c | 714 | |
258b763a | 715 | if ((*cur) == NULL) |
c906108c SS |
716 | return 0; /* Didn't find target_ops, quit now */ |
717 | ||
718 | /* Unchain the target */ | |
258b763a AC |
719 | tmp = (*cur); |
720 | (*cur) = (*cur)->beneath; | |
721 | tmp->beneath = NULL; | |
c906108c SS |
722 | |
723 | update_current_target (); | |
724 | cleanup_target (¤t_target); | |
725 | ||
726 | return 1; | |
727 | } | |
728 | ||
729 | void | |
fba45db2 | 730 | pop_target (void) |
c906108c | 731 | { |
c5aa993b | 732 | (current_target.to_close) (0); /* Let it clean up */ |
258b763a | 733 | if (unpush_target (target_stack) == 1) |
c906108c SS |
734 | return; |
735 | ||
c5aa993b JM |
736 | fprintf_unfiltered (gdb_stderr, |
737 | "pop_target couldn't find target %s\n", | |
738 | current_target.to_shortname); | |
e1e9e218 | 739 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
740 | } |
741 | ||
742 | #undef MIN | |
743 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
744 | ||
745 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
746 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
747 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
748 | is responsible for freeing it. Return the number of bytes successfully | |
749 | read. */ | |
750 | ||
751 | int | |
fba45db2 | 752 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
753 | { |
754 | int tlen, origlen, offset, i; | |
755 | char buf[4]; | |
756 | int errcode = 0; | |
757 | char *buffer; | |
758 | int buffer_allocated; | |
759 | char *bufptr; | |
760 | unsigned int nbytes_read = 0; | |
761 | ||
762 | /* Small for testing. */ | |
763 | buffer_allocated = 4; | |
764 | buffer = xmalloc (buffer_allocated); | |
765 | bufptr = buffer; | |
766 | ||
767 | origlen = len; | |
768 | ||
769 | while (len > 0) | |
770 | { | |
771 | tlen = MIN (len, 4 - (memaddr & 3)); | |
772 | offset = memaddr & 3; | |
773 | ||
d4b2399a | 774 | errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0); |
c906108c SS |
775 | if (errcode != 0) |
776 | { | |
777 | /* The transfer request might have crossed the boundary to an | |
778 | unallocated region of memory. Retry the transfer, requesting | |
779 | a single byte. */ | |
780 | tlen = 1; | |
781 | offset = 0; | |
d4b2399a | 782 | errcode = target_xfer_memory (memaddr, buf, 1, 0); |
c906108c SS |
783 | if (errcode != 0) |
784 | goto done; | |
785 | } | |
786 | ||
787 | if (bufptr - buffer + tlen > buffer_allocated) | |
788 | { | |
789 | unsigned int bytes; | |
790 | bytes = bufptr - buffer; | |
791 | buffer_allocated *= 2; | |
792 | buffer = xrealloc (buffer, buffer_allocated); | |
793 | bufptr = buffer + bytes; | |
794 | } | |
795 | ||
796 | for (i = 0; i < tlen; i++) | |
797 | { | |
798 | *bufptr++ = buf[i + offset]; | |
799 | if (buf[i + offset] == '\000') | |
800 | { | |
801 | nbytes_read += i + 1; | |
802 | goto done; | |
803 | } | |
804 | } | |
805 | ||
806 | memaddr += tlen; | |
807 | len -= tlen; | |
808 | nbytes_read += tlen; | |
809 | } | |
c5aa993b | 810 | done: |
c906108c SS |
811 | if (errnop != NULL) |
812 | *errnop = errcode; | |
813 | if (string != NULL) | |
814 | *string = buffer; | |
815 | return nbytes_read; | |
816 | } | |
817 | ||
818 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in | |
819 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
820 | if any error occurs. | |
821 | ||
822 | If an error occurs, no guarantee is made about the contents of the data at | |
823 | MYADDR. In particular, the caller should not depend upon partial reads | |
824 | filling the buffer with good data. There is no way for the caller to know | |
825 | how much good data might have been transfered anyway. Callers that can | |
826 | deal with partial reads should call target_read_memory_partial. */ | |
827 | ||
828 | int | |
fba45db2 | 829 | target_read_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 830 | { |
d4b2399a | 831 | return target_xfer_memory (memaddr, myaddr, len, 0); |
c906108c SS |
832 | } |
833 | ||
c906108c | 834 | int |
fba45db2 | 835 | target_write_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 836 | { |
d4b2399a | 837 | return target_xfer_memory (memaddr, myaddr, len, 1); |
c906108c | 838 | } |
c5aa993b | 839 | |
3a11626d MS |
840 | static int trust_readonly = 0; |
841 | ||
67e0617e C |
842 | /* Move memory to or from the targets. The top target gets priority; |
843 | if it cannot handle it, it is offered to the next one down, etc. | |
c906108c | 844 | |
67e0617e | 845 | Result is -1 on error, or the number of bytes transfered. */ |
c906108c | 846 | |
4930751a | 847 | int |
29e57380 C |
848 | do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
849 | struct mem_attrib *attrib) | |
c906108c | 850 | { |
c906108c | 851 | int res; |
4930751a | 852 | int done = 0; |
c906108c | 853 | struct target_ops *t; |
c906108c SS |
854 | |
855 | /* Zero length requests are ok and require no work. */ | |
856 | if (len == 0) | |
857 | return 0; | |
858 | ||
c906108c SS |
859 | /* to_xfer_memory is not guaranteed to set errno, even when it returns |
860 | 0. */ | |
861 | errno = 0; | |
862 | ||
3a11626d MS |
863 | if (!write && trust_readonly) |
864 | { | |
2ceb85d0 BE |
865 | /* User-settable option, "trust-readonly-sections". If true, |
866 | then memory from any SEC_READONLY bfd section may be read | |
867 | directly from the bfd file. */ | |
3a11626d MS |
868 | |
869 | struct section_table *secp; | |
870 | ||
871 | for (secp = current_target.to_sections; | |
872 | secp < current_target.to_sections_end; | |
873 | secp++) | |
874 | { | |
405f26e6 MS |
875 | if (bfd_get_section_flags (secp->bfd, secp->the_bfd_section) |
876 | & SEC_READONLY) | |
877 | if (memaddr >= secp->addr && memaddr < secp->endaddr) | |
878 | return xfer_memory (memaddr, myaddr, len, 0, | |
879 | attrib, ¤t_target); | |
3a11626d MS |
880 | } |
881 | } | |
882 | ||
67e0617e | 883 | /* The quick case is that the top target can handle the transfer. */ |
c906108c | 884 | res = current_target.to_xfer_memory |
29e57380 | 885 | (memaddr, myaddr, len, write, attrib, ¤t_target); |
c906108c | 886 | |
67e0617e C |
887 | /* If res <= 0 then we call it again in the loop. Ah well. */ |
888 | if (res <= 0) | |
c906108c | 889 | { |
258b763a | 890 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 891 | { |
c906108c SS |
892 | if (!t->to_has_memory) |
893 | continue; | |
894 | ||
29e57380 | 895 | res = t->to_xfer_memory (memaddr, myaddr, len, write, attrib, t); |
c906108c SS |
896 | if (res > 0) |
897 | break; /* Handled all or part of xfer */ | |
898 | if (t->to_has_all_memory) | |
899 | break; | |
900 | } | |
901 | ||
4930751a | 902 | if (res <= 0) |
67e0617e | 903 | return -1; |
4930751a | 904 | } |
67e0617e C |
905 | |
906 | return res; | |
4930751a C |
907 | } |
908 | ||
67e0617e C |
909 | |
910 | /* Perform a memory transfer. Iterate until the entire region has | |
911 | been transfered. | |
912 | ||
913 | Result is 0 or errno value. */ | |
914 | ||
4930751a C |
915 | static int |
916 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write) | |
917 | { | |
918 | int res; | |
29e57380 C |
919 | int reg_len; |
920 | struct mem_region *region; | |
4930751a C |
921 | |
922 | /* Zero length requests are ok and require no work. */ | |
923 | if (len == 0) | |
924 | { | |
925 | return 0; | |
926 | } | |
927 | ||
928 | while (len > 0) | |
929 | { | |
29e57380 C |
930 | region = lookup_mem_region(memaddr); |
931 | if (memaddr + len < region->hi) | |
932 | reg_len = len; | |
933 | else | |
934 | reg_len = region->hi - memaddr; | |
935 | ||
936 | switch (region->attrib.mode) | |
c906108c | 937 | { |
29e57380 C |
938 | case MEM_RO: |
939 | if (write) | |
940 | return EIO; | |
941 | break; | |
942 | ||
943 | case MEM_WO: | |
c906108c | 944 | if (!write) |
c906108c | 945 | return EIO; |
29e57380 | 946 | break; |
c906108c | 947 | } |
4930751a | 948 | |
29e57380 C |
949 | while (reg_len > 0) |
950 | { | |
951 | if (region->attrib.cache) | |
8add0441 | 952 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, |
29e57380 C |
953 | reg_len, write); |
954 | else | |
8add0441 | 955 | res = do_xfer_memory (memaddr, myaddr, reg_len, write, |
29e57380 C |
956 | ®ion->attrib); |
957 | ||
958 | if (res <= 0) | |
959 | { | |
960 | /* If this address is for nonexistent memory, read zeros | |
961 | if reading, or do nothing if writing. Return | |
962 | error. */ | |
963 | if (!write) | |
964 | memset (myaddr, 0, len); | |
965 | if (errno == 0) | |
966 | return EIO; | |
967 | else | |
968 | return errno; | |
969 | } | |
970 | ||
971 | memaddr += res; | |
972 | myaddr += res; | |
973 | len -= res; | |
974 | reg_len -= res; | |
975 | } | |
c906108c | 976 | } |
4930751a | 977 | |
c906108c SS |
978 | return 0; /* We managed to cover it all somehow. */ |
979 | } | |
980 | ||
981 | ||
67e0617e C |
982 | /* Perform a partial memory transfer. |
983 | ||
984 | Result is -1 on error, or the number of bytes transfered. */ | |
917317f4 JM |
985 | |
986 | static int | |
4930751a | 987 | target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len, |
917317f4 JM |
988 | int write_p, int *err) |
989 | { | |
990 | int res; | |
29e57380 C |
991 | int reg_len; |
992 | struct mem_region *region; | |
917317f4 JM |
993 | |
994 | /* Zero length requests are ok and require no work. */ | |
995 | if (len == 0) | |
996 | { | |
997 | *err = 0; | |
998 | return 0; | |
999 | } | |
1000 | ||
29e57380 C |
1001 | region = lookup_mem_region(memaddr); |
1002 | if (memaddr + len < region->hi) | |
1003 | reg_len = len; | |
1004 | else | |
1005 | reg_len = region->hi - memaddr; | |
1006 | ||
1007 | switch (region->attrib.mode) | |
1008 | { | |
1009 | case MEM_RO: | |
1010 | if (write_p) | |
1011 | { | |
1012 | *err = EIO; | |
873406a6 | 1013 | return -1; |
29e57380 C |
1014 | } |
1015 | break; | |
1016 | ||
1017 | case MEM_WO: | |
1018 | if (write_p) | |
1019 | { | |
1020 | *err = EIO; | |
873406a6 | 1021 | return -1; |
29e57380 C |
1022 | } |
1023 | break; | |
1024 | } | |
1025 | ||
1026 | if (region->attrib.cache) | |
1027 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, | |
1028 | reg_len, write_p); | |
1029 | else | |
1030 | res = do_xfer_memory (memaddr, myaddr, reg_len, write_p, | |
1031 | ®ion->attrib); | |
1032 | ||
4930751a | 1033 | if (res <= 0) |
917317f4 | 1034 | { |
4930751a C |
1035 | if (errno != 0) |
1036 | *err = errno; | |
1037 | else | |
1038 | *err = EIO; | |
917317f4 | 1039 | |
4930751a | 1040 | return -1; |
917317f4 JM |
1041 | } |
1042 | ||
4930751a | 1043 | *err = 0; |
67e0617e | 1044 | return res; |
917317f4 JM |
1045 | } |
1046 | ||
1047 | int | |
1048 | target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1049 | { | |
1050 | return target_xfer_memory_partial (memaddr, buf, len, 0, err); | |
1051 | } | |
1052 | ||
1053 | int | |
1054 | target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1055 | { | |
1056 | return target_xfer_memory_partial (memaddr, buf, len, 1, err); | |
1057 | } | |
1058 | ||
c906108c | 1059 | static void |
fba45db2 | 1060 | target_info (char *args, int from_tty) |
c906108c SS |
1061 | { |
1062 | struct target_ops *t; | |
c906108c | 1063 | int has_all_mem = 0; |
c5aa993b | 1064 | |
c906108c SS |
1065 | if (symfile_objfile != NULL) |
1066 | printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name); | |
1067 | ||
1068 | #ifdef FILES_INFO_HOOK | |
1069 | if (FILES_INFO_HOOK ()) | |
1070 | return; | |
1071 | #endif | |
1072 | ||
258b763a | 1073 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 1074 | { |
c906108c SS |
1075 | if (!t->to_has_memory) |
1076 | continue; | |
1077 | ||
c5aa993b | 1078 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1079 | continue; |
1080 | if (has_all_mem) | |
c5aa993b JM |
1081 | printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n"); |
1082 | printf_unfiltered ("%s:\n", t->to_longname); | |
1083 | (t->to_files_info) (t); | |
c906108c SS |
1084 | has_all_mem = t->to_has_all_memory; |
1085 | } | |
1086 | } | |
1087 | ||
1088 | /* This is to be called by the open routine before it does | |
1089 | anything. */ | |
1090 | ||
1091 | void | |
fba45db2 | 1092 | target_preopen (int from_tty) |
c906108c | 1093 | { |
c5aa993b | 1094 | dont_repeat (); |
c906108c SS |
1095 | |
1096 | if (target_has_execution) | |
c5aa993b | 1097 | { |
adf40b2e JM |
1098 | if (!from_tty |
1099 | || query ("A program is being debugged already. Kill it? ")) | |
c5aa993b | 1100 | target_kill (); |
c906108c | 1101 | else |
c5aa993b | 1102 | error ("Program not killed."); |
c906108c SS |
1103 | } |
1104 | ||
1105 | /* Calling target_kill may remove the target from the stack. But if | |
1106 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1107 | ||
1108 | if (target_has_execution) | |
1109 | pop_target (); | |
1110 | } | |
1111 | ||
1112 | /* Detach a target after doing deferred register stores. */ | |
1113 | ||
1114 | void | |
fba45db2 | 1115 | target_detach (char *args, int from_tty) |
c906108c SS |
1116 | { |
1117 | /* Handle any optimized stores to the inferior. */ | |
1118 | #ifdef DO_DEFERRED_STORES | |
1119 | DO_DEFERRED_STORES; | |
1120 | #endif | |
1121 | (current_target.to_detach) (args, from_tty); | |
1122 | } | |
1123 | ||
6ad8ae5c DJ |
1124 | void |
1125 | target_disconnect (char *args, int from_tty) | |
1126 | { | |
1127 | /* Handle any optimized stores to the inferior. */ | |
1128 | #ifdef DO_DEFERRED_STORES | |
1129 | DO_DEFERRED_STORES; | |
1130 | #endif | |
1131 | (current_target.to_disconnect) (args, from_tty); | |
1132 | } | |
1133 | ||
c906108c | 1134 | void |
fba45db2 | 1135 | target_link (char *modname, CORE_ADDR *t_reloc) |
c906108c | 1136 | { |
c5aa993b | 1137 | if (STREQ (current_target.to_shortname, "rombug")) |
c906108c SS |
1138 | { |
1139 | (current_target.to_lookup_symbol) (modname, t_reloc); | |
1140 | if (*t_reloc == 0) | |
c5aa993b | 1141 | error ("Unable to link to %s and get relocation in rombug", modname); |
c906108c SS |
1142 | } |
1143 | else | |
2acceee2 | 1144 | *t_reloc = (CORE_ADDR) -1; |
c906108c SS |
1145 | } |
1146 | ||
ed9a39eb JM |
1147 | int |
1148 | target_async_mask (int mask) | |
1149 | { | |
1150 | int saved_async_masked_status = target_async_mask_value; | |
1151 | target_async_mask_value = mask; | |
1152 | return saved_async_masked_status; | |
1153 | } | |
1154 | ||
c906108c SS |
1155 | /* Look through the list of possible targets for a target that can |
1156 | execute a run or attach command without any other data. This is | |
1157 | used to locate the default process stratum. | |
1158 | ||
1159 | Result is always valid (error() is called for errors). */ | |
1160 | ||
1161 | static struct target_ops * | |
fba45db2 | 1162 | find_default_run_target (char *do_mesg) |
c906108c SS |
1163 | { |
1164 | struct target_ops **t; | |
1165 | struct target_ops *runable = NULL; | |
1166 | int count; | |
1167 | ||
1168 | count = 0; | |
1169 | ||
1170 | for (t = target_structs; t < target_structs + target_struct_size; | |
1171 | ++t) | |
1172 | { | |
c5aa993b | 1173 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1174 | { |
1175 | runable = *t; | |
1176 | ++count; | |
1177 | } | |
1178 | } | |
1179 | ||
1180 | if (count != 1) | |
1181 | error ("Don't know how to %s. Try \"help target\".", do_mesg); | |
1182 | ||
1183 | return runable; | |
1184 | } | |
1185 | ||
1186 | void | |
fba45db2 | 1187 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1188 | { |
1189 | struct target_ops *t; | |
1190 | ||
c5aa993b | 1191 | t = find_default_run_target ("attach"); |
c906108c SS |
1192 | (t->to_attach) (args, from_tty); |
1193 | return; | |
1194 | } | |
1195 | ||
c906108c | 1196 | void |
fba45db2 | 1197 | find_default_create_inferior (char *exec_file, char *allargs, char **env) |
c906108c SS |
1198 | { |
1199 | struct target_ops *t; | |
1200 | ||
c5aa993b | 1201 | t = find_default_run_target ("run"); |
c906108c SS |
1202 | (t->to_create_inferior) (exec_file, allargs, env); |
1203 | return; | |
1204 | } | |
1205 | ||
ccaa32c7 GS |
1206 | static int |
1207 | default_region_size_ok_for_hw_watchpoint (int byte_count) | |
1208 | { | |
b1e29e33 | 1209 | return (byte_count <= DEPRECATED_REGISTER_SIZE); |
ccaa32c7 GS |
1210 | } |
1211 | ||
c906108c | 1212 | static int |
fba45db2 | 1213 | return_zero (void) |
c906108c SS |
1214 | { |
1215 | return 0; | |
1216 | } | |
1217 | ||
1218 | static int | |
fba45db2 | 1219 | return_one (void) |
c906108c SS |
1220 | { |
1221 | return 1; | |
1222 | } | |
1223 | ||
ccaa32c7 GS |
1224 | static int |
1225 | return_minus_one (void) | |
1226 | { | |
1227 | return -1; | |
1228 | } | |
1229 | ||
6426a772 JM |
1230 | /* |
1231 | * Resize the to_sections pointer. Also make sure that anyone that | |
1232 | * was holding on to an old value of it gets updated. | |
1233 | * Returns the old size. | |
1234 | */ | |
1235 | ||
1236 | int | |
1237 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1238 | { | |
1239 | struct target_ops **t; | |
1240 | struct section_table *old_value; | |
1241 | int old_count; | |
1242 | ||
1243 | old_value = target->to_sections; | |
1244 | ||
1245 | if (target->to_sections) | |
1246 | { | |
1247 | old_count = target->to_sections_end - target->to_sections; | |
1248 | target->to_sections = (struct section_table *) | |
1249 | xrealloc ((char *) target->to_sections, | |
1250 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1251 | } | |
1252 | else | |
1253 | { | |
1254 | old_count = 0; | |
1255 | target->to_sections = (struct section_table *) | |
1256 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1257 | } | |
1258 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1259 | ||
1260 | /* Check to see if anyone else was pointing to this structure. | |
1261 | If old_value was null, then no one was. */ | |
1262 | ||
1263 | if (old_value) | |
1264 | { | |
1265 | for (t = target_structs; t < target_structs + target_struct_size; | |
1266 | ++t) | |
1267 | { | |
1268 | if ((*t)->to_sections == old_value) | |
1269 | { | |
1270 | (*t)->to_sections = target->to_sections; | |
1271 | (*t)->to_sections_end = target->to_sections_end; | |
1272 | } | |
1273 | } | |
1274 | } | |
1275 | ||
1276 | return old_count; | |
1277 | ||
1278 | } | |
1279 | ||
07cd4b97 JB |
1280 | /* Remove all target sections taken from ABFD. |
1281 | ||
1282 | Scan the current target stack for targets whose section tables | |
1283 | refer to sections from BFD, and remove those sections. We use this | |
1284 | when we notice that the inferior has unloaded a shared object, for | |
1285 | example. */ | |
1286 | void | |
1287 | remove_target_sections (bfd *abfd) | |
1288 | { | |
1289 | struct target_ops **t; | |
1290 | ||
1291 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1292 | { | |
1293 | struct section_table *src, *dest; | |
1294 | ||
1295 | dest = (*t)->to_sections; | |
1296 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1297 | if (src->bfd != abfd) | |
1298 | { | |
1299 | /* Keep this section. */ | |
1300 | if (dest < src) *dest = *src; | |
1301 | dest++; | |
1302 | } | |
1303 | ||
1304 | /* If we've dropped any sections, resize the section table. */ | |
1305 | if (dest < src) | |
1306 | target_resize_to_sections (*t, dest - src); | |
1307 | } | |
1308 | } | |
1309 | ||
1310 | ||
1311 | ||
1312 | ||
7a292a7a SS |
1313 | /* Find a single runnable target in the stack and return it. If for |
1314 | some reason there is more than one, return NULL. */ | |
1315 | ||
1316 | struct target_ops * | |
fba45db2 | 1317 | find_run_target (void) |
7a292a7a SS |
1318 | { |
1319 | struct target_ops **t; | |
1320 | struct target_ops *runable = NULL; | |
1321 | int count; | |
c5aa993b | 1322 | |
7a292a7a | 1323 | count = 0; |
c5aa993b | 1324 | |
7a292a7a SS |
1325 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1326 | { | |
c5aa993b | 1327 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1328 | { |
1329 | runable = *t; | |
1330 | ++count; | |
1331 | } | |
1332 | } | |
c5aa993b | 1333 | |
7a292a7a SS |
1334 | return (count == 1 ? runable : NULL); |
1335 | } | |
1336 | ||
ed9a39eb JM |
1337 | /* Find a single core_stratum target in the list of targets and return it. |
1338 | If for some reason there is more than one, return NULL. */ | |
1339 | ||
c906108c | 1340 | struct target_ops * |
fba45db2 | 1341 | find_core_target (void) |
c906108c SS |
1342 | { |
1343 | struct target_ops **t; | |
1344 | struct target_ops *runable = NULL; | |
1345 | int count; | |
c5aa993b | 1346 | |
c906108c | 1347 | count = 0; |
c5aa993b | 1348 | |
c906108c SS |
1349 | for (t = target_structs; t < target_structs + target_struct_size; |
1350 | ++t) | |
1351 | { | |
1352 | if ((*t)->to_stratum == core_stratum) | |
1353 | { | |
1354 | runable = *t; | |
1355 | ++count; | |
1356 | } | |
1357 | } | |
c5aa993b JM |
1358 | |
1359 | return (count == 1 ? runable : NULL); | |
c906108c | 1360 | } |
ed9a39eb JM |
1361 | |
1362 | /* | |
1363 | * Find the next target down the stack from the specified target. | |
1364 | */ | |
1365 | ||
1366 | struct target_ops * | |
fba45db2 | 1367 | find_target_beneath (struct target_ops *t) |
ed9a39eb | 1368 | { |
258b763a | 1369 | return t->beneath; |
ed9a39eb JM |
1370 | } |
1371 | ||
c906108c SS |
1372 | \f |
1373 | /* The inferior process has died. Long live the inferior! */ | |
1374 | ||
1375 | void | |
fba45db2 | 1376 | generic_mourn_inferior (void) |
c906108c SS |
1377 | { |
1378 | extern int show_breakpoint_hit_counts; | |
1379 | ||
39f77062 | 1380 | inferior_ptid = null_ptid; |
c906108c SS |
1381 | attach_flag = 0; |
1382 | breakpoint_init_inferior (inf_exited); | |
1383 | registers_changed (); | |
1384 | ||
1385 | #ifdef CLEAR_DEFERRED_STORES | |
1386 | /* Delete any pending stores to the inferior... */ | |
1387 | CLEAR_DEFERRED_STORES; | |
1388 | #endif | |
1389 | ||
1390 | reopen_exec_file (); | |
1391 | reinit_frame_cache (); | |
1392 | ||
1393 | /* It is confusing to the user for ignore counts to stick around | |
1394 | from previous runs of the inferior. So clear them. */ | |
1395 | /* However, it is more confusing for the ignore counts to disappear when | |
1396 | using hit counts. So don't clear them if we're counting hits. */ | |
1397 | if (!show_breakpoint_hit_counts) | |
1398 | breakpoint_clear_ignore_counts (); | |
c5b739b5 FN |
1399 | |
1400 | if (detach_hook) | |
1401 | detach_hook (); | |
c906108c SS |
1402 | } |
1403 | \f | |
c906108c SS |
1404 | /* Helper function for child_wait and the Lynx derivatives of child_wait. |
1405 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1406 | translation of that in OURSTATUS. */ | |
1407 | void | |
fba45db2 | 1408 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c SS |
1409 | { |
1410 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1411 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1412 | if it wants to deal with hoststatus. */ | |
1413 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1414 | return; | |
1415 | #endif | |
1416 | ||
1417 | if (WIFEXITED (hoststatus)) | |
1418 | { | |
1419 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1420 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1421 | } | |
1422 | else if (!WIFSTOPPED (hoststatus)) | |
1423 | { | |
1424 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1425 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1426 | } | |
1427 | else | |
1428 | { | |
1429 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1430 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1431 | } | |
1432 | } | |
1433 | \f | |
c906108c | 1434 | /* Returns zero to leave the inferior alone, one to interrupt it. */ |
507f3c78 | 1435 | int (*target_activity_function) (void); |
c906108c SS |
1436 | int target_activity_fd; |
1437 | \f | |
1438 | /* Convert a normal process ID to a string. Returns the string in a static | |
1439 | buffer. */ | |
1440 | ||
1441 | char * | |
39f77062 | 1442 | normal_pid_to_str (ptid_t ptid) |
c906108c SS |
1443 | { |
1444 | static char buf[30]; | |
1445 | ||
39f77062 | 1446 | sprintf (buf, "process %d", PIDGET (ptid)); |
c906108c SS |
1447 | return buf; |
1448 | } | |
1449 | ||
1450 | /* Some targets (such as ttrace-based HPUX) don't allow us to request | |
1451 | notification of inferior events such as fork and vork immediately | |
1452 | after the inferior is created. (This because of how gdb gets an | |
1453 | inferior created via invoking a shell to do it. In such a scenario, | |
1454 | if the shell init file has commands in it, the shell will fork and | |
1455 | exec for each of those commands, and we will see each such fork | |
1456 | event. Very bad.) | |
c5aa993b | 1457 | |
c906108c SS |
1458 | This function is used by all targets that allow us to request |
1459 | notification of forks, etc at inferior creation time; e.g., in | |
1460 | target_acknowledge_forked_child. | |
c5aa993b | 1461 | */ |
392a587b | 1462 | static void |
39f77062 | 1463 | normal_target_post_startup_inferior (ptid_t ptid) |
c906108c SS |
1464 | { |
1465 | /* This space intentionally left blank. */ | |
1466 | } | |
1467 | ||
be4d1333 | 1468 | /* Error-catcher for target_find_memory_regions */ |
be4d1333 MS |
1469 | static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2) |
1470 | { | |
1471 | error ("No target."); | |
1472 | return 0; | |
1473 | } | |
1474 | ||
1475 | /* Error-catcher for target_make_corefile_notes */ | |
be4d1333 MS |
1476 | static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2) |
1477 | { | |
1478 | error ("No target."); | |
1479 | return NULL; | |
1480 | } | |
1481 | ||
c906108c SS |
1482 | /* Set up the handful of non-empty slots needed by the dummy target |
1483 | vector. */ | |
1484 | ||
1485 | static void | |
fba45db2 | 1486 | init_dummy_target (void) |
c906108c SS |
1487 | { |
1488 | dummy_target.to_shortname = "None"; | |
1489 | dummy_target.to_longname = "None"; | |
1490 | dummy_target.to_doc = ""; | |
1491 | dummy_target.to_attach = find_default_attach; | |
c906108c | 1492 | dummy_target.to_create_inferior = find_default_create_inferior; |
ed9a39eb | 1493 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c | 1494 | dummy_target.to_stratum = dummy_stratum; |
be4d1333 MS |
1495 | dummy_target.to_find_memory_regions = dummy_find_memory_regions; |
1496 | dummy_target.to_make_corefile_notes = dummy_make_corefile_notes; | |
c906108c SS |
1497 | dummy_target.to_magic = OPS_MAGIC; |
1498 | } | |
c906108c | 1499 | \f |
c5aa993b | 1500 | |
c906108c SS |
1501 | static struct target_ops debug_target; |
1502 | ||
1503 | static void | |
fba45db2 | 1504 | debug_to_open (char *args, int from_tty) |
c906108c SS |
1505 | { |
1506 | debug_target.to_open (args, from_tty); | |
1507 | ||
96baa820 | 1508 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
1509 | } |
1510 | ||
1511 | static void | |
fba45db2 | 1512 | debug_to_close (int quitting) |
c906108c SS |
1513 | { |
1514 | debug_target.to_close (quitting); | |
1515 | ||
96baa820 | 1516 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
1517 | } |
1518 | ||
1519 | static void | |
fba45db2 | 1520 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
1521 | { |
1522 | debug_target.to_attach (args, from_tty); | |
1523 | ||
96baa820 | 1524 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
1525 | } |
1526 | ||
1527 | ||
1528 | static void | |
fba45db2 | 1529 | debug_to_post_attach (int pid) |
c906108c SS |
1530 | { |
1531 | debug_target.to_post_attach (pid); | |
1532 | ||
96baa820 | 1533 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
1534 | } |
1535 | ||
c906108c | 1536 | static void |
fba45db2 | 1537 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
1538 | { |
1539 | debug_target.to_detach (args, from_tty); | |
1540 | ||
96baa820 | 1541 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
1542 | } |
1543 | ||
6ad8ae5c DJ |
1544 | static void |
1545 | debug_to_disconnect (char *args, int from_tty) | |
1546 | { | |
1547 | debug_target.to_disconnect (args, from_tty); | |
1548 | ||
1549 | fprintf_unfiltered (gdb_stdlog, "target_disconnect (%s, %d)\n", | |
1550 | args, from_tty); | |
1551 | } | |
1552 | ||
c906108c | 1553 | static void |
39f77062 | 1554 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 1555 | { |
39f77062 | 1556 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 1557 | |
39f77062 | 1558 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
1559 | step ? "step" : "continue", |
1560 | target_signal_to_name (siggnal)); | |
1561 | } | |
1562 | ||
39f77062 KB |
1563 | static ptid_t |
1564 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 1565 | { |
39f77062 | 1566 | ptid_t retval; |
c906108c | 1567 | |
39f77062 | 1568 | retval = debug_target.to_wait (ptid, status); |
c906108c | 1569 | |
96baa820 | 1570 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
1571 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
1572 | PIDGET (retval)); | |
96baa820 | 1573 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
1574 | switch (status->kind) |
1575 | { | |
1576 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 1577 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
1578 | status->value.integer); |
1579 | break; | |
1580 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 1581 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
1582 | target_signal_to_name (status->value.sig)); |
1583 | break; | |
1584 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 1585 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
1586 | target_signal_to_name (status->value.sig)); |
1587 | break; | |
1588 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 1589 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
1590 | break; |
1591 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 1592 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
1593 | break; |
1594 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 1595 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
1596 | break; |
1597 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 1598 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
1599 | break; |
1600 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 1601 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
1602 | break; |
1603 | default: | |
96baa820 | 1604 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
1605 | break; |
1606 | } | |
1607 | ||
1608 | return retval; | |
1609 | } | |
1610 | ||
1611 | static void | |
39f77062 | 1612 | debug_to_post_wait (ptid_t ptid, int status) |
c906108c | 1613 | { |
39f77062 | 1614 | debug_target.to_post_wait (ptid, status); |
c906108c | 1615 | |
96baa820 | 1616 | fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n", |
39f77062 | 1617 | PIDGET (ptid), status); |
c906108c SS |
1618 | } |
1619 | ||
bf0c5130 AC |
1620 | static void |
1621 | debug_print_register (const char * func, int regno) | |
1622 | { | |
1623 | fprintf_unfiltered (gdb_stdlog, "%s ", func); | |
1624 | if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS | |
1625 | && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0') | |
1626 | fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno)); | |
1627 | else | |
1628 | fprintf_unfiltered (gdb_stdlog, "(%d)", regno); | |
1629 | if (regno >= 0) | |
1630 | { | |
1631 | int i; | |
d9d9c31f | 1632 | unsigned char buf[MAX_REGISTER_SIZE]; |
4caf0990 | 1633 | deprecated_read_register_gen (regno, buf); |
bf0c5130 | 1634 | fprintf_unfiltered (gdb_stdlog, " = "); |
12c266ea | 1635 | for (i = 0; i < DEPRECATED_REGISTER_RAW_SIZE (regno); i++) |
bf0c5130 AC |
1636 | { |
1637 | fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]); | |
1638 | } | |
12c266ea | 1639 | if (DEPRECATED_REGISTER_RAW_SIZE (regno) <= sizeof (LONGEST)) |
bf0c5130 AC |
1640 | { |
1641 | fprintf_unfiltered (gdb_stdlog, " 0x%s %s", | |
1642 | paddr_nz (read_register (regno)), | |
1643 | paddr_d (read_register (regno))); | |
1644 | } | |
1645 | } | |
1646 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
1647 | } | |
1648 | ||
c906108c | 1649 | static void |
fba45db2 | 1650 | debug_to_fetch_registers (int regno) |
c906108c SS |
1651 | { |
1652 | debug_target.to_fetch_registers (regno); | |
bf0c5130 | 1653 | debug_print_register ("target_fetch_registers", regno); |
c906108c SS |
1654 | } |
1655 | ||
1656 | static void | |
fba45db2 | 1657 | debug_to_store_registers (int regno) |
c906108c SS |
1658 | { |
1659 | debug_target.to_store_registers (regno); | |
bf0c5130 AC |
1660 | debug_print_register ("target_store_registers", regno); |
1661 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
c906108c SS |
1662 | } |
1663 | ||
1664 | static void | |
fba45db2 | 1665 | debug_to_prepare_to_store (void) |
c906108c SS |
1666 | { |
1667 | debug_target.to_prepare_to_store (); | |
1668 | ||
96baa820 | 1669 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
1670 | } |
1671 | ||
1672 | static int | |
fba45db2 | 1673 | debug_to_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
29e57380 | 1674 | struct mem_attrib *attrib, |
fba45db2 | 1675 | struct target_ops *target) |
c906108c SS |
1676 | { |
1677 | int retval; | |
1678 | ||
29e57380 C |
1679 | retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, |
1680 | attrib, target); | |
c906108c | 1681 | |
96baa820 | 1682 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 1683 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 1684 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
1685 | len, write ? "write" : "read", retval); |
1686 | ||
c5aa993b | 1687 | |
c906108c SS |
1688 | |
1689 | if (retval > 0) | |
1690 | { | |
1691 | int i; | |
1692 | ||
96baa820 | 1693 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
1694 | for (i = 0; i < retval; i++) |
1695 | { | |
1696 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
96baa820 JM |
1697 | fprintf_unfiltered (gdb_stdlog, "\n"); |
1698 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); | |
c906108c SS |
1699 | } |
1700 | } | |
1701 | ||
96baa820 | 1702 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
1703 | |
1704 | return retval; | |
1705 | } | |
1706 | ||
1707 | static void | |
fba45db2 | 1708 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
1709 | { |
1710 | debug_target.to_files_info (target); | |
1711 | ||
96baa820 | 1712 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
1713 | } |
1714 | ||
1715 | static int | |
fba45db2 | 1716 | debug_to_insert_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1717 | { |
1718 | int retval; | |
1719 | ||
1720 | retval = debug_target.to_insert_breakpoint (addr, save); | |
1721 | ||
96baa820 | 1722 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1723 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
1724 | (unsigned long) addr, | |
1725 | (unsigned long) retval); | |
c906108c SS |
1726 | return retval; |
1727 | } | |
1728 | ||
1729 | static int | |
fba45db2 | 1730 | debug_to_remove_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1731 | { |
1732 | int retval; | |
1733 | ||
1734 | retval = debug_target.to_remove_breakpoint (addr, save); | |
1735 | ||
96baa820 | 1736 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1737 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
1738 | (unsigned long) addr, | |
1739 | (unsigned long) retval); | |
c906108c SS |
1740 | return retval; |
1741 | } | |
1742 | ||
ccaa32c7 GS |
1743 | static int |
1744 | debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty) | |
1745 | { | |
1746 | int retval; | |
1747 | ||
1748 | retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty); | |
1749 | ||
1750 | fprintf_unfiltered (gdb_stdlog, | |
1751 | "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n", | |
1752 | (unsigned long) type, | |
1753 | (unsigned long) cnt, | |
1754 | (unsigned long) from_tty, | |
1755 | (unsigned long) retval); | |
1756 | return retval; | |
1757 | } | |
1758 | ||
1759 | static int | |
1760 | debug_to_region_size_ok_for_hw_watchpoint (int byte_count) | |
1761 | { | |
1762 | CORE_ADDR retval; | |
1763 | ||
1764 | retval = debug_target.to_region_size_ok_for_hw_watchpoint (byte_count); | |
1765 | ||
1766 | fprintf_unfiltered (gdb_stdlog, | |
1767 | "TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (%ld) = 0x%lx\n", | |
1768 | (unsigned long) byte_count, | |
1769 | (unsigned long) retval); | |
1770 | return retval; | |
1771 | } | |
1772 | ||
1773 | static int | |
1774 | debug_to_stopped_by_watchpoint (void) | |
1775 | { | |
1776 | int retval; | |
1777 | ||
1778 | retval = debug_target.to_stopped_by_watchpoint (); | |
1779 | ||
1780 | fprintf_unfiltered (gdb_stdlog, | |
1781 | "STOPPED_BY_WATCHPOINT () = %ld\n", | |
1782 | (unsigned long) retval); | |
1783 | return retval; | |
1784 | } | |
1785 | ||
1786 | static CORE_ADDR | |
1787 | debug_to_stopped_data_address (void) | |
1788 | { | |
1789 | CORE_ADDR retval; | |
1790 | ||
1791 | retval = debug_target.to_stopped_data_address (); | |
1792 | ||
1793 | fprintf_unfiltered (gdb_stdlog, | |
1794 | "target_stopped_data_address () = 0x%lx\n", | |
1795 | (unsigned long) retval); | |
1796 | return retval; | |
1797 | } | |
1798 | ||
1799 | static int | |
1800 | debug_to_insert_hw_breakpoint (CORE_ADDR addr, char *save) | |
1801 | { | |
1802 | int retval; | |
1803 | ||
1804 | retval = debug_target.to_insert_hw_breakpoint (addr, save); | |
1805 | ||
1806 | fprintf_unfiltered (gdb_stdlog, | |
1807 | "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1808 | (unsigned long) addr, | |
1809 | (unsigned long) retval); | |
1810 | return retval; | |
1811 | } | |
1812 | ||
1813 | static int | |
1814 | debug_to_remove_hw_breakpoint (CORE_ADDR addr, char *save) | |
1815 | { | |
1816 | int retval; | |
1817 | ||
1818 | retval = debug_target.to_remove_hw_breakpoint (addr, save); | |
1819 | ||
1820 | fprintf_unfiltered (gdb_stdlog, | |
1821 | "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1822 | (unsigned long) addr, | |
1823 | (unsigned long) retval); | |
1824 | return retval; | |
1825 | } | |
1826 | ||
1827 | static int | |
1828 | debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type) | |
1829 | { | |
1830 | int retval; | |
1831 | ||
1832 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1833 | ||
1834 | fprintf_unfiltered (gdb_stdlog, | |
1835 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
1836 | (unsigned long) addr, len, type, (unsigned long) retval); | |
1837 | return retval; | |
1838 | } | |
1839 | ||
1840 | static int | |
1841 | debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type) | |
1842 | { | |
1843 | int retval; | |
1844 | ||
1845 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1846 | ||
1847 | fprintf_unfiltered (gdb_stdlog, | |
1848 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
1849 | (unsigned long) addr, len, type, (unsigned long) retval); | |
1850 | return retval; | |
1851 | } | |
1852 | ||
c906108c | 1853 | static void |
fba45db2 | 1854 | debug_to_terminal_init (void) |
c906108c SS |
1855 | { |
1856 | debug_target.to_terminal_init (); | |
1857 | ||
96baa820 | 1858 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
1859 | } |
1860 | ||
1861 | static void | |
fba45db2 | 1862 | debug_to_terminal_inferior (void) |
c906108c SS |
1863 | { |
1864 | debug_target.to_terminal_inferior (); | |
1865 | ||
96baa820 | 1866 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
1867 | } |
1868 | ||
1869 | static void | |
fba45db2 | 1870 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
1871 | { |
1872 | debug_target.to_terminal_ours_for_output (); | |
1873 | ||
96baa820 | 1874 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
1875 | } |
1876 | ||
1877 | static void | |
fba45db2 | 1878 | debug_to_terminal_ours (void) |
c906108c SS |
1879 | { |
1880 | debug_target.to_terminal_ours (); | |
1881 | ||
96baa820 | 1882 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
1883 | } |
1884 | ||
a790ad35 SC |
1885 | static void |
1886 | debug_to_terminal_save_ours (void) | |
1887 | { | |
1888 | debug_target.to_terminal_save_ours (); | |
1889 | ||
1890 | fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n"); | |
1891 | } | |
1892 | ||
c906108c | 1893 | static void |
fba45db2 | 1894 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
1895 | { |
1896 | debug_target.to_terminal_info (arg, from_tty); | |
1897 | ||
96baa820 | 1898 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
1899 | from_tty); |
1900 | } | |
1901 | ||
1902 | static void | |
fba45db2 | 1903 | debug_to_kill (void) |
c906108c SS |
1904 | { |
1905 | debug_target.to_kill (); | |
1906 | ||
96baa820 | 1907 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
1908 | } |
1909 | ||
1910 | static void | |
fba45db2 | 1911 | debug_to_load (char *args, int from_tty) |
c906108c SS |
1912 | { |
1913 | debug_target.to_load (args, from_tty); | |
1914 | ||
96baa820 | 1915 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
1916 | } |
1917 | ||
1918 | static int | |
fba45db2 | 1919 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
1920 | { |
1921 | int retval; | |
1922 | ||
1923 | retval = debug_target.to_lookup_symbol (name, addrp); | |
1924 | ||
96baa820 | 1925 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
1926 | |
1927 | return retval; | |
1928 | } | |
1929 | ||
1930 | static void | |
fba45db2 | 1931 | debug_to_create_inferior (char *exec_file, char *args, char **env) |
c906108c SS |
1932 | { |
1933 | debug_target.to_create_inferior (exec_file, args, env); | |
1934 | ||
96baa820 | 1935 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx)\n", |
c906108c SS |
1936 | exec_file, args); |
1937 | } | |
1938 | ||
1939 | static void | |
39f77062 | 1940 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 1941 | { |
39f77062 | 1942 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 1943 | |
96baa820 | 1944 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 1945 | PIDGET (ptid)); |
c906108c SS |
1946 | } |
1947 | ||
1948 | static void | |
fba45db2 | 1949 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
1950 | { |
1951 | debug_target.to_acknowledge_created_inferior (pid); | |
1952 | ||
96baa820 | 1953 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
1954 | pid); |
1955 | } | |
1956 | ||
c906108c | 1957 | static int |
fba45db2 | 1958 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 1959 | { |
c5aa993b | 1960 | int retval; |
c906108c SS |
1961 | |
1962 | retval = debug_target.to_insert_fork_catchpoint (pid); | |
1963 | ||
96baa820 | 1964 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n", |
c5aa993b | 1965 | pid, retval); |
c906108c SS |
1966 | |
1967 | return retval; | |
1968 | } | |
1969 | ||
1970 | static int | |
fba45db2 | 1971 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 1972 | { |
c5aa993b | 1973 | int retval; |
c906108c SS |
1974 | |
1975 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
1976 | ||
96baa820 | 1977 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 1978 | pid, retval); |
c906108c SS |
1979 | |
1980 | return retval; | |
1981 | } | |
1982 | ||
1983 | static int | |
fba45db2 | 1984 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 1985 | { |
c5aa993b | 1986 | int retval; |
c906108c SS |
1987 | |
1988 | retval = debug_target.to_insert_vfork_catchpoint (pid); | |
1989 | ||
96baa820 | 1990 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n", |
c5aa993b | 1991 | pid, retval); |
c906108c SS |
1992 | |
1993 | return retval; | |
1994 | } | |
1995 | ||
1996 | static int | |
fba45db2 | 1997 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 1998 | { |
c5aa993b | 1999 | int retval; |
c906108c SS |
2000 | |
2001 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2002 | ||
96baa820 | 2003 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 2004 | pid, retval); |
c906108c SS |
2005 | |
2006 | return retval; | |
2007 | } | |
2008 | ||
6604731b DJ |
2009 | static int |
2010 | debug_to_follow_fork (int follow_child) | |
c906108c | 2011 | { |
6604731b | 2012 | int retval = debug_target.to_follow_fork (follow_child); |
c906108c | 2013 | |
6604731b DJ |
2014 | fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n", |
2015 | follow_child, retval); | |
2016 | ||
2017 | return retval; | |
c906108c SS |
2018 | } |
2019 | ||
2020 | static int | |
fba45db2 | 2021 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 2022 | { |
c5aa993b | 2023 | int retval; |
c906108c SS |
2024 | |
2025 | retval = debug_target.to_insert_exec_catchpoint (pid); | |
2026 | ||
96baa820 | 2027 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2028 | pid, retval); |
c906108c SS |
2029 | |
2030 | return retval; | |
2031 | } | |
2032 | ||
2033 | static int | |
fba45db2 | 2034 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 2035 | { |
c5aa993b | 2036 | int retval; |
c906108c SS |
2037 | |
2038 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2039 | ||
96baa820 | 2040 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2041 | pid, retval); |
c906108c SS |
2042 | |
2043 | return retval; | |
2044 | } | |
2045 | ||
c906108c | 2046 | static int |
fba45db2 | 2047 | debug_to_reported_exec_events_per_exec_call (void) |
c906108c | 2048 | { |
c5aa993b | 2049 | int reported_exec_events; |
c906108c SS |
2050 | |
2051 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
2052 | ||
96baa820 | 2053 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2054 | "target_reported_exec_events_per_exec_call () = %d\n", |
c5aa993b | 2055 | reported_exec_events); |
c906108c SS |
2056 | |
2057 | return reported_exec_events; | |
2058 | } | |
2059 | ||
c906108c | 2060 | static int |
fba45db2 | 2061 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2062 | { |
c5aa993b | 2063 | int has_exited; |
c906108c SS |
2064 | |
2065 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2066 | ||
96baa820 | 2067 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2068 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2069 | |
2070 | return has_exited; | |
2071 | } | |
2072 | ||
2073 | static void | |
fba45db2 | 2074 | debug_to_mourn_inferior (void) |
c906108c SS |
2075 | { |
2076 | debug_target.to_mourn_inferior (); | |
2077 | ||
96baa820 | 2078 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2079 | } |
2080 | ||
2081 | static int | |
fba45db2 | 2082 | debug_to_can_run (void) |
c906108c SS |
2083 | { |
2084 | int retval; | |
2085 | ||
2086 | retval = debug_target.to_can_run (); | |
2087 | ||
96baa820 | 2088 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2089 | |
2090 | return retval; | |
2091 | } | |
2092 | ||
2093 | static void | |
39f77062 | 2094 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2095 | { |
39f77062 | 2096 | debug_target.to_notice_signals (ptid); |
c906108c | 2097 | |
39f77062 KB |
2098 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2099 | PIDGET (ptid)); | |
c906108c SS |
2100 | } |
2101 | ||
2102 | static int | |
39f77062 | 2103 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2104 | { |
2105 | int retval; | |
2106 | ||
39f77062 | 2107 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2108 | |
96baa820 | 2109 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2110 | PIDGET (ptid), retval); |
c906108c SS |
2111 | |
2112 | return retval; | |
2113 | } | |
2114 | ||
0d06e24b | 2115 | static void |
fba45db2 | 2116 | debug_to_find_new_threads (void) |
0d06e24b JM |
2117 | { |
2118 | debug_target.to_find_new_threads (); | |
2119 | ||
2120 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2121 | } | |
2122 | ||
c906108c | 2123 | static void |
fba45db2 | 2124 | debug_to_stop (void) |
c906108c SS |
2125 | { |
2126 | debug_target.to_stop (); | |
2127 | ||
96baa820 | 2128 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2129 | } |
2130 | ||
2131 | static int | |
fba45db2 | 2132 | debug_to_query (int type, char *req, char *resp, int *siz) |
c906108c SS |
2133 | { |
2134 | int retval; | |
2135 | ||
2136 | retval = debug_target.to_query (type, req, resp, siz); | |
2137 | ||
96baa820 | 2138 | fprintf_unfiltered (gdb_stdlog, "target_query (%c, %s, %s, %d) = %d\n", type, req, resp, *siz, retval); |
c906108c SS |
2139 | |
2140 | return retval; | |
2141 | } | |
2142 | ||
96baa820 JM |
2143 | static void |
2144 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2145 | struct ui_file *outbuf) |
96baa820 JM |
2146 | { |
2147 | debug_target.to_rcmd (command, outbuf); | |
2148 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2149 | } | |
2150 | ||
c906108c | 2151 | static struct symtab_and_line * |
fba45db2 | 2152 | debug_to_enable_exception_callback (enum exception_event_kind kind, int enable) |
c906108c | 2153 | { |
7a292a7a SS |
2154 | struct symtab_and_line *result; |
2155 | result = debug_target.to_enable_exception_callback (kind, enable); | |
96baa820 | 2156 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2157 | "target get_exception_callback_sal (%d, %d)\n", |
2158 | kind, enable); | |
7a292a7a | 2159 | return result; |
c906108c SS |
2160 | } |
2161 | ||
2162 | static struct exception_event_record * | |
fba45db2 | 2163 | debug_to_get_current_exception_event (void) |
c906108c | 2164 | { |
7a292a7a | 2165 | struct exception_event_record *result; |
c5aa993b | 2166 | result = debug_target.to_get_current_exception_event (); |
96baa820 | 2167 | fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n"); |
7a292a7a | 2168 | return result; |
c906108c SS |
2169 | } |
2170 | ||
2171 | static char * | |
fba45db2 | 2172 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2173 | { |
c5aa993b | 2174 | char *exec_file; |
c906108c SS |
2175 | |
2176 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2177 | ||
96baa820 | 2178 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2179 | pid, exec_file); |
c906108c SS |
2180 | |
2181 | return exec_file; | |
2182 | } | |
2183 | ||
c906108c | 2184 | static void |
fba45db2 | 2185 | setup_target_debug (void) |
c906108c SS |
2186 | { |
2187 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2188 | ||
2189 | current_target.to_open = debug_to_open; | |
2190 | current_target.to_close = debug_to_close; | |
2191 | current_target.to_attach = debug_to_attach; | |
2192 | current_target.to_post_attach = debug_to_post_attach; | |
c906108c | 2193 | current_target.to_detach = debug_to_detach; |
6ad8ae5c | 2194 | current_target.to_disconnect = debug_to_disconnect; |
c906108c SS |
2195 | current_target.to_resume = debug_to_resume; |
2196 | current_target.to_wait = debug_to_wait; | |
2197 | current_target.to_post_wait = debug_to_post_wait; | |
2198 | current_target.to_fetch_registers = debug_to_fetch_registers; | |
2199 | current_target.to_store_registers = debug_to_store_registers; | |
2200 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
2201 | current_target.to_xfer_memory = debug_to_xfer_memory; | |
2202 | current_target.to_files_info = debug_to_files_info; | |
2203 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2204 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
ccaa32c7 GS |
2205 | current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint; |
2206 | current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint; | |
2207 | current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint; | |
2208 | current_target.to_insert_watchpoint = debug_to_insert_watchpoint; | |
2209 | current_target.to_remove_watchpoint = debug_to_remove_watchpoint; | |
2210 | current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint; | |
2211 | current_target.to_stopped_data_address = debug_to_stopped_data_address; | |
2212 | current_target.to_region_size_ok_for_hw_watchpoint = debug_to_region_size_ok_for_hw_watchpoint; | |
c906108c SS |
2213 | current_target.to_terminal_init = debug_to_terminal_init; |
2214 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2215 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2216 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
a790ad35 | 2217 | current_target.to_terminal_save_ours = debug_to_terminal_save_ours; |
c906108c SS |
2218 | current_target.to_terminal_info = debug_to_terminal_info; |
2219 | current_target.to_kill = debug_to_kill; | |
2220 | current_target.to_load = debug_to_load; | |
2221 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2222 | current_target.to_create_inferior = debug_to_create_inferior; | |
2223 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2224 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
c906108c SS |
2225 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; |
2226 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2227 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2228 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
6604731b | 2229 | current_target.to_follow_fork = debug_to_follow_fork; |
c906108c SS |
2230 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; |
2231 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
c906108c | 2232 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; |
c906108c SS |
2233 | current_target.to_has_exited = debug_to_has_exited; |
2234 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2235 | current_target.to_can_run = debug_to_can_run; | |
2236 | current_target.to_notice_signals = debug_to_notice_signals; | |
2237 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 2238 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c SS |
2239 | current_target.to_stop = debug_to_stop; |
2240 | current_target.to_query = debug_to_query; | |
96baa820 | 2241 | current_target.to_rcmd = debug_to_rcmd; |
c906108c SS |
2242 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
2243 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
2244 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
c906108c SS |
2245 | |
2246 | } | |
c906108c | 2247 | \f |
c5aa993b JM |
2248 | |
2249 | static char targ_desc[] = | |
2250 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
2251 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
2252 | core-file, and process, if any), as well as the symbol file name."; | |
2253 | ||
96baa820 JM |
2254 | static void |
2255 | do_monitor_command (char *cmd, | |
2256 | int from_tty) | |
2257 | { | |
2b5fe715 AC |
2258 | if ((current_target.to_rcmd |
2259 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 2260 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
2261 | && (debug_target.to_rcmd |
2262 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
96baa820 JM |
2263 | { |
2264 | error ("\"monitor\" command not supported by this target.\n"); | |
2265 | } | |
2266 | target_rcmd (cmd, gdb_stdtarg); | |
2267 | } | |
2268 | ||
c906108c | 2269 | void |
fba45db2 | 2270 | initialize_targets (void) |
c906108c SS |
2271 | { |
2272 | init_dummy_target (); | |
2273 | push_target (&dummy_target); | |
2274 | ||
2275 | add_info ("target", target_info, targ_desc); | |
2276 | add_info ("files", target_info, targ_desc); | |
2277 | ||
3a11626d MS |
2278 | add_show_from_set |
2279 | (add_set_cmd ("target", class_maintenance, var_zinteger, | |
2280 | (char *) &targetdebug, | |
2281 | "Set target debugging.\n\ | |
5d161b24 | 2282 | When non-zero, target debugging is enabled.", &setdebuglist), |
3a11626d MS |
2283 | &showdebuglist); |
2284 | ||
e707bbc2 AC |
2285 | add_setshow_boolean_cmd ("trust-readonly-sections", class_support, |
2286 | &trust_readonly, "\ | |
2287 | Set mode for reading from readonly sections.\n\ | |
3a11626d MS |
2288 | When this mode is on, memory reads from readonly sections (such as .text)\n\ |
2289 | will be read from the object file instead of from the target. This will\n\ | |
e707bbc2 | 2290 | result in significant performance improvement for remote targets.", "\ |
c0e624e7 | 2291 | Show mode for reading from readonly sections.\n", |
e707bbc2 AC |
2292 | NULL, NULL, |
2293 | &setlist, &showlist); | |
96baa820 JM |
2294 | |
2295 | add_com ("monitor", class_obscure, do_monitor_command, | |
2296 | "Send a command to the remote monitor (remote targets only)."); | |
2297 | ||
8add0441 | 2298 | target_dcache = dcache_init (); |
c906108c | 2299 | } |