Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Select target systems and architectures at runtime for GDB. |
7998dfc3 AC |
2 | |
3 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, | |
4 | 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. | |
5 | ||
c906108c SS |
6 | Contributed by Cygnus Support. |
7 | ||
c5aa993b | 8 | This file is part of GDB. |
c906108c | 9 | |
c5aa993b JM |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
c906108c | 14 | |
c5aa993b JM |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
c906108c | 19 | |
c5aa993b JM |
20 | You should have received a copy of the GNU General Public License |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
24 | |
25 | #include "defs.h" | |
26 | #include <errno.h> | |
c906108c SS |
27 | #include "gdb_string.h" |
28 | #include "target.h" | |
29 | #include "gdbcmd.h" | |
30 | #include "symtab.h" | |
31 | #include "inferior.h" | |
32 | #include "bfd.h" | |
33 | #include "symfile.h" | |
34 | #include "objfiles.h" | |
03f2053f | 35 | #include "gdb_wait.h" |
4930751a | 36 | #include "dcache.h" |
c906108c | 37 | #include <signal.h> |
4e052eda | 38 | #include "regcache.h" |
c906108c | 39 | |
a14ed312 | 40 | static void target_info (char *, int); |
c906108c | 41 | |
a14ed312 | 42 | static void maybe_kill_then_create_inferior (char *, char *, char **); |
c906108c | 43 | |
a14ed312 | 44 | static void maybe_kill_then_attach (char *, int); |
c906108c | 45 | |
a14ed312 | 46 | static void kill_or_be_killed (int); |
c906108c | 47 | |
a14ed312 | 48 | static void default_terminal_info (char *, int); |
c906108c | 49 | |
ccaa32c7 GS |
50 | static int default_region_size_ok_for_hw_watchpoint (int); |
51 | ||
a14ed312 | 52 | static int nosymbol (char *, CORE_ADDR *); |
c906108c | 53 | |
a14ed312 | 54 | static void tcomplain (void); |
c906108c | 55 | |
a14ed312 | 56 | static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *); |
c906108c | 57 | |
a14ed312 | 58 | static int return_zero (void); |
c906108c | 59 | |
a14ed312 | 60 | static int return_one (void); |
c906108c | 61 | |
ccaa32c7 GS |
62 | static int return_minus_one (void); |
63 | ||
a14ed312 | 64 | void target_ignore (void); |
c906108c | 65 | |
a14ed312 | 66 | static void target_command (char *, int); |
c906108c | 67 | |
a14ed312 | 68 | static struct target_ops *find_default_run_target (char *); |
c906108c | 69 | |
a14ed312 | 70 | static void nosupport_runtime (void); |
392a587b | 71 | |
39f77062 | 72 | static void normal_target_post_startup_inferior (ptid_t ptid); |
392a587b | 73 | |
917317f4 JM |
74 | /* Transfer LEN bytes between target address MEMADDR and GDB address |
75 | MYADDR. Returns 0 for success, errno code for failure (which | |
76 | includes partial transfers -- if you want a more useful response to | |
77 | partial transfers, try either target_read_memory_partial or | |
78 | target_write_memory_partial). */ | |
c906108c | 79 | |
570b8f7c AC |
80 | static int target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, |
81 | int write); | |
c906108c | 82 | |
a14ed312 | 83 | static void init_dummy_target (void); |
c906108c | 84 | |
a14ed312 | 85 | static void debug_to_open (char *, int); |
c906108c | 86 | |
a14ed312 | 87 | static void debug_to_close (int); |
c906108c | 88 | |
a14ed312 | 89 | static void debug_to_attach (char *, int); |
c906108c | 90 | |
a14ed312 | 91 | static void debug_to_detach (char *, int); |
c906108c | 92 | |
6ad8ae5c DJ |
93 | static void debug_to_disconnect (char *, int); |
94 | ||
39f77062 | 95 | static void debug_to_resume (ptid_t, int, enum target_signal); |
c906108c | 96 | |
39f77062 | 97 | static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *); |
c906108c | 98 | |
a14ed312 | 99 | static void debug_to_fetch_registers (int); |
c906108c | 100 | |
a14ed312 | 101 | static void debug_to_store_registers (int); |
c906108c | 102 | |
a14ed312 | 103 | static void debug_to_prepare_to_store (void); |
c906108c | 104 | |
5ae5f592 AC |
105 | static int debug_to_xfer_memory (CORE_ADDR, char *, int, int, |
106 | struct mem_attrib *, struct target_ops *); | |
c906108c | 107 | |
a14ed312 | 108 | static void debug_to_files_info (struct target_ops *); |
c906108c | 109 | |
a14ed312 | 110 | static int debug_to_insert_breakpoint (CORE_ADDR, char *); |
c906108c | 111 | |
a14ed312 | 112 | static int debug_to_remove_breakpoint (CORE_ADDR, char *); |
c906108c | 113 | |
ccaa32c7 GS |
114 | static int debug_to_can_use_hw_breakpoint (int, int, int); |
115 | ||
116 | static int debug_to_insert_hw_breakpoint (CORE_ADDR, char *); | |
117 | ||
118 | static int debug_to_remove_hw_breakpoint (CORE_ADDR, char *); | |
119 | ||
120 | static int debug_to_insert_watchpoint (CORE_ADDR, int, int); | |
121 | ||
122 | static int debug_to_remove_watchpoint (CORE_ADDR, int, int); | |
123 | ||
124 | static int debug_to_stopped_by_watchpoint (void); | |
125 | ||
126 | static CORE_ADDR debug_to_stopped_data_address (void); | |
127 | ||
128 | static int debug_to_region_size_ok_for_hw_watchpoint (int); | |
129 | ||
a14ed312 | 130 | static void debug_to_terminal_init (void); |
c906108c | 131 | |
a14ed312 | 132 | static void debug_to_terminal_inferior (void); |
c906108c | 133 | |
a14ed312 | 134 | static void debug_to_terminal_ours_for_output (void); |
c906108c | 135 | |
a790ad35 SC |
136 | static void debug_to_terminal_save_ours (void); |
137 | ||
a14ed312 | 138 | static void debug_to_terminal_ours (void); |
c906108c | 139 | |
a14ed312 | 140 | static void debug_to_terminal_info (char *, int); |
c906108c | 141 | |
a14ed312 | 142 | static void debug_to_kill (void); |
c906108c | 143 | |
a14ed312 | 144 | static void debug_to_load (char *, int); |
c906108c | 145 | |
a14ed312 | 146 | static int debug_to_lookup_symbol (char *, CORE_ADDR *); |
c906108c | 147 | |
a14ed312 | 148 | static void debug_to_create_inferior (char *, char *, char **); |
c906108c | 149 | |
a14ed312 | 150 | static void debug_to_mourn_inferior (void); |
c906108c | 151 | |
a14ed312 | 152 | static int debug_to_can_run (void); |
c906108c | 153 | |
39f77062 | 154 | static void debug_to_notice_signals (ptid_t); |
c906108c | 155 | |
39f77062 | 156 | static int debug_to_thread_alive (ptid_t); |
c906108c | 157 | |
a14ed312 | 158 | static void debug_to_stop (void); |
c906108c | 159 | |
c906108c SS |
160 | /* Pointer to array of target architecture structures; the size of the |
161 | array; the current index into the array; the allocated size of the | |
162 | array. */ | |
163 | struct target_ops **target_structs; | |
164 | unsigned target_struct_size; | |
165 | unsigned target_struct_index; | |
166 | unsigned target_struct_allocsize; | |
167 | #define DEFAULT_ALLOCSIZE 10 | |
168 | ||
169 | /* The initial current target, so that there is always a semi-valid | |
170 | current target. */ | |
171 | ||
172 | static struct target_ops dummy_target; | |
173 | ||
174 | /* Top of target stack. */ | |
175 | ||
258b763a | 176 | static struct target_ops *target_stack; |
c906108c SS |
177 | |
178 | /* The target structure we are currently using to talk to a process | |
179 | or file or whatever "inferior" we have. */ | |
180 | ||
181 | struct target_ops current_target; | |
182 | ||
183 | /* Command list for target. */ | |
184 | ||
185 | static struct cmd_list_element *targetlist = NULL; | |
186 | ||
187 | /* Nonzero if we are debugging an attached outside process | |
188 | rather than an inferior. */ | |
189 | ||
190 | int attach_flag; | |
191 | ||
c906108c SS |
192 | /* Non-zero if we want to see trace of target level stuff. */ |
193 | ||
194 | static int targetdebug = 0; | |
195 | ||
a14ed312 | 196 | static void setup_target_debug (void); |
c906108c | 197 | |
4930751a C |
198 | DCACHE *target_dcache; |
199 | ||
c906108c SS |
200 | /* The user just typed 'target' without the name of a target. */ |
201 | ||
c906108c | 202 | static void |
fba45db2 | 203 | target_command (char *arg, int from_tty) |
c906108c SS |
204 | { |
205 | fputs_filtered ("Argument required (target name). Try `help target'\n", | |
206 | gdb_stdout); | |
207 | } | |
208 | ||
209 | /* Add a possible target architecture to the list. */ | |
210 | ||
211 | void | |
fba45db2 | 212 | add_target (struct target_ops *t) |
c906108c SS |
213 | { |
214 | if (!target_structs) | |
215 | { | |
216 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
217 | target_structs = (struct target_ops **) xmalloc | |
218 | (target_struct_allocsize * sizeof (*target_structs)); | |
219 | } | |
220 | if (target_struct_size >= target_struct_allocsize) | |
221 | { | |
222 | target_struct_allocsize *= 2; | |
223 | target_structs = (struct target_ops **) | |
c5aa993b JM |
224 | xrealloc ((char *) target_structs, |
225 | target_struct_allocsize * sizeof (*target_structs)); | |
c906108c SS |
226 | } |
227 | target_structs[target_struct_size++] = t; | |
c906108c SS |
228 | |
229 | if (targetlist == NULL) | |
230 | add_prefix_cmd ("target", class_run, target_command, | |
231 | "Connect to a target machine or process.\n\ | |
232 | The first argument is the type or protocol of the target machine.\n\ | |
233 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
234 | information on the arguments for a particular protocol, type\n\ | |
235 | `help target ' followed by the protocol name.", | |
236 | &targetlist, "target ", 0, &cmdlist); | |
237 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
238 | } | |
239 | ||
240 | /* Stub functions */ | |
241 | ||
242 | void | |
fba45db2 | 243 | target_ignore (void) |
c906108c SS |
244 | { |
245 | } | |
246 | ||
11cf8741 JM |
247 | void |
248 | target_load (char *arg, int from_tty) | |
249 | { | |
4930751a | 250 | dcache_invalidate (target_dcache); |
11cf8741 JM |
251 | (*current_target.to_load) (arg, from_tty); |
252 | } | |
253 | ||
c906108c | 254 | static int |
fba45db2 KB |
255 | nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
256 | struct target_ops *t) | |
c906108c | 257 | { |
c5aa993b JM |
258 | errno = EIO; /* Can't read/write this location */ |
259 | return 0; /* No bytes handled */ | |
c906108c SS |
260 | } |
261 | ||
262 | static void | |
fba45db2 | 263 | tcomplain (void) |
c906108c SS |
264 | { |
265 | error ("You can't do that when your target is `%s'", | |
266 | current_target.to_shortname); | |
267 | } | |
268 | ||
269 | void | |
fba45db2 | 270 | noprocess (void) |
c906108c SS |
271 | { |
272 | error ("You can't do that without a process to debug."); | |
273 | } | |
274 | ||
c906108c | 275 | static int |
fba45db2 | 276 | nosymbol (char *name, CORE_ADDR *addrp) |
c906108c | 277 | { |
c5aa993b | 278 | return 1; /* Symbol does not exist in target env */ |
c906108c SS |
279 | } |
280 | ||
392a587b | 281 | static void |
fba45db2 | 282 | nosupport_runtime (void) |
c906108c | 283 | { |
39f77062 | 284 | if (ptid_equal (inferior_ptid, null_ptid)) |
c906108c SS |
285 | noprocess (); |
286 | else | |
287 | error ("No run-time support for this"); | |
288 | } | |
289 | ||
290 | ||
c906108c | 291 | static void |
fba45db2 | 292 | default_terminal_info (char *args, int from_tty) |
c906108c | 293 | { |
c5aa993b | 294 | printf_unfiltered ("No saved terminal information.\n"); |
c906108c SS |
295 | } |
296 | ||
297 | /* This is the default target_create_inferior and target_attach function. | |
298 | If the current target is executing, it asks whether to kill it off. | |
299 | If this function returns without calling error(), it has killed off | |
300 | the target, and the operation should be attempted. */ | |
301 | ||
302 | static void | |
fba45db2 | 303 | kill_or_be_killed (int from_tty) |
c906108c SS |
304 | { |
305 | if (target_has_execution) | |
306 | { | |
307 | printf_unfiltered ("You are already running a program:\n"); | |
308 | target_files_info (); | |
c5aa993b JM |
309 | if (query ("Kill it? ")) |
310 | { | |
311 | target_kill (); | |
312 | if (target_has_execution) | |
313 | error ("Killing the program did not help."); | |
314 | return; | |
315 | } | |
316 | else | |
317 | { | |
318 | error ("Program not killed."); | |
319 | } | |
c906108c | 320 | } |
c5aa993b | 321 | tcomplain (); |
c906108c SS |
322 | } |
323 | ||
324 | static void | |
fba45db2 | 325 | maybe_kill_then_attach (char *args, int from_tty) |
c906108c SS |
326 | { |
327 | kill_or_be_killed (from_tty); | |
328 | target_attach (args, from_tty); | |
329 | } | |
330 | ||
331 | static void | |
fba45db2 | 332 | maybe_kill_then_create_inferior (char *exec, char *args, char **env) |
c906108c SS |
333 | { |
334 | kill_or_be_killed (0); | |
335 | target_create_inferior (exec, args, env); | |
336 | } | |
337 | ||
7998dfc3 AC |
338 | /* Go through the target stack from top to bottom, copying over zero |
339 | entries in current_target, then filling in still empty entries. In | |
340 | effect, we are doing class inheritance through the pushed target | |
341 | vectors. | |
342 | ||
343 | NOTE: cagney/2003-10-17: The problem with this inheritance, as it | |
344 | is currently implemented, is that it discards any knowledge of | |
345 | which target an inherited method originally belonged to. | |
346 | Consequently, new new target methods should instead explicitly and | |
347 | locally search the target stack for the target that can handle the | |
348 | request. */ | |
c906108c SS |
349 | |
350 | static void | |
7998dfc3 | 351 | update_current_target (void) |
c906108c | 352 | { |
7998dfc3 AC |
353 | struct target_ops *t; |
354 | ||
355 | /* First, reset curren'ts contents. */ | |
356 | memset (¤t_target, 0, sizeof (current_target)); | |
357 | ||
358 | #define INHERIT(FIELD, TARGET) \ | |
359 | if (!current_target.FIELD) \ | |
360 | current_target.FIELD = (TARGET)->FIELD | |
361 | ||
362 | for (t = target_stack; t; t = t->beneath) | |
363 | { | |
364 | INHERIT (to_shortname, t); | |
365 | INHERIT (to_longname, t); | |
366 | INHERIT (to_doc, t); | |
367 | INHERIT (to_open, t); | |
368 | INHERIT (to_close, t); | |
369 | INHERIT (to_attach, t); | |
370 | INHERIT (to_post_attach, t); | |
371 | INHERIT (to_detach, t); | |
372 | INHERIT (to_disconnect, t); | |
373 | INHERIT (to_resume, t); | |
374 | INHERIT (to_wait, t); | |
375 | INHERIT (to_post_wait, t); | |
376 | INHERIT (to_fetch_registers, t); | |
377 | INHERIT (to_store_registers, t); | |
378 | INHERIT (to_prepare_to_store, t); | |
379 | INHERIT (to_xfer_memory, t); | |
380 | INHERIT (to_files_info, t); | |
381 | INHERIT (to_insert_breakpoint, t); | |
382 | INHERIT (to_remove_breakpoint, t); | |
383 | INHERIT (to_can_use_hw_breakpoint, t); | |
384 | INHERIT (to_insert_hw_breakpoint, t); | |
385 | INHERIT (to_remove_hw_breakpoint, t); | |
386 | INHERIT (to_insert_watchpoint, t); | |
387 | INHERIT (to_remove_watchpoint, t); | |
388 | INHERIT (to_stopped_data_address, t); | |
389 | INHERIT (to_stopped_by_watchpoint, t); | |
390 | INHERIT (to_have_continuable_watchpoint, t); | |
391 | INHERIT (to_region_size_ok_for_hw_watchpoint, t); | |
392 | INHERIT (to_terminal_init, t); | |
393 | INHERIT (to_terminal_inferior, t); | |
394 | INHERIT (to_terminal_ours_for_output, t); | |
395 | INHERIT (to_terminal_ours, t); | |
396 | INHERIT (to_terminal_save_ours, t); | |
397 | INHERIT (to_terminal_info, t); | |
398 | INHERIT (to_kill, t); | |
399 | INHERIT (to_load, t); | |
400 | INHERIT (to_lookup_symbol, t); | |
401 | INHERIT (to_create_inferior, t); | |
402 | INHERIT (to_post_startup_inferior, t); | |
403 | INHERIT (to_acknowledge_created_inferior, t); | |
404 | INHERIT (to_insert_fork_catchpoint, t); | |
405 | INHERIT (to_remove_fork_catchpoint, t); | |
406 | INHERIT (to_insert_vfork_catchpoint, t); | |
407 | INHERIT (to_remove_vfork_catchpoint, t); | |
408 | INHERIT (to_follow_fork, t); | |
409 | INHERIT (to_insert_exec_catchpoint, t); | |
410 | INHERIT (to_remove_exec_catchpoint, t); | |
411 | INHERIT (to_reported_exec_events_per_exec_call, t); | |
412 | INHERIT (to_has_exited, t); | |
413 | INHERIT (to_mourn_inferior, t); | |
414 | INHERIT (to_can_run, t); | |
415 | INHERIT (to_notice_signals, t); | |
416 | INHERIT (to_thread_alive, t); | |
417 | INHERIT (to_find_new_threads, t); | |
418 | INHERIT (to_pid_to_str, t); | |
419 | INHERIT (to_extra_thread_info, t); | |
420 | INHERIT (to_stop, t); | |
1e3ff5ad AC |
421 | /* Do not inherit to_read_partial. */ |
422 | /* Do not inherit to_write_partial. */ | |
7998dfc3 AC |
423 | INHERIT (to_rcmd, t); |
424 | INHERIT (to_enable_exception_callback, t); | |
425 | INHERIT (to_get_current_exception_event, t); | |
426 | INHERIT (to_pid_to_exec_file, t); | |
427 | INHERIT (to_stratum, t); | |
428 | INHERIT (to_has_all_memory, t); | |
429 | INHERIT (to_has_memory, t); | |
430 | INHERIT (to_has_stack, t); | |
431 | INHERIT (to_has_registers, t); | |
432 | INHERIT (to_has_execution, t); | |
433 | INHERIT (to_has_thread_control, t); | |
434 | INHERIT (to_sections, t); | |
435 | INHERIT (to_sections_end, t); | |
436 | INHERIT (to_can_async_p, t); | |
437 | INHERIT (to_is_async_p, t); | |
438 | INHERIT (to_async, t); | |
439 | INHERIT (to_async_mask_value, t); | |
440 | INHERIT (to_find_memory_regions, t); | |
441 | INHERIT (to_make_corefile_notes, t); | |
442 | INHERIT (to_get_thread_local_address, t); | |
443 | INHERIT (to_magic, t); | |
444 | } | |
445 | #undef INHERIT | |
446 | ||
447 | /* Clean up a target struct so it no longer has any zero pointers in | |
448 | it. We default entries, at least to stubs that print error | |
449 | messages. */ | |
c906108c SS |
450 | |
451 | #define de_fault(field, value) \ | |
7998dfc3 AC |
452 | if (!current_target.field) \ |
453 | current_target.field = value | |
0d06e24b JM |
454 | |
455 | de_fault (to_open, | |
456 | (void (*) (char *, int)) | |
457 | tcomplain); | |
458 | de_fault (to_close, | |
459 | (void (*) (int)) | |
460 | target_ignore); | |
461 | de_fault (to_attach, | |
462 | maybe_kill_then_attach); | |
463 | de_fault (to_post_attach, | |
464 | (void (*) (int)) | |
465 | target_ignore); | |
0d06e24b JM |
466 | de_fault (to_detach, |
467 | (void (*) (char *, int)) | |
468 | target_ignore); | |
6ad8ae5c DJ |
469 | de_fault (to_disconnect, |
470 | (void (*) (char *, int)) | |
471 | tcomplain); | |
0d06e24b | 472 | de_fault (to_resume, |
39f77062 | 473 | (void (*) (ptid_t, int, enum target_signal)) |
0d06e24b JM |
474 | noprocess); |
475 | de_fault (to_wait, | |
39f77062 | 476 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) |
0d06e24b JM |
477 | noprocess); |
478 | de_fault (to_post_wait, | |
39f77062 | 479 | (void (*) (ptid_t, int)) |
0d06e24b JM |
480 | target_ignore); |
481 | de_fault (to_fetch_registers, | |
482 | (void (*) (int)) | |
483 | target_ignore); | |
484 | de_fault (to_store_registers, | |
485 | (void (*) (int)) | |
486 | noprocess); | |
487 | de_fault (to_prepare_to_store, | |
488 | (void (*) (void)) | |
489 | noprocess); | |
490 | de_fault (to_xfer_memory, | |
29e57380 | 491 | (int (*) (CORE_ADDR, char *, int, int, struct mem_attrib *, struct target_ops *)) |
0d06e24b JM |
492 | nomemory); |
493 | de_fault (to_files_info, | |
494 | (void (*) (struct target_ops *)) | |
495 | target_ignore); | |
496 | de_fault (to_insert_breakpoint, | |
497 | memory_insert_breakpoint); | |
498 | de_fault (to_remove_breakpoint, | |
499 | memory_remove_breakpoint); | |
ccaa32c7 GS |
500 | de_fault (to_can_use_hw_breakpoint, |
501 | (int (*) (int, int, int)) | |
502 | return_zero); | |
503 | de_fault (to_insert_hw_breakpoint, | |
504 | (int (*) (CORE_ADDR, char *)) | |
505 | return_minus_one); | |
506 | de_fault (to_remove_hw_breakpoint, | |
507 | (int (*) (CORE_ADDR, char *)) | |
508 | return_minus_one); | |
509 | de_fault (to_insert_watchpoint, | |
510 | (int (*) (CORE_ADDR, int, int)) | |
511 | return_minus_one); | |
512 | de_fault (to_remove_watchpoint, | |
513 | (int (*) (CORE_ADDR, int, int)) | |
514 | return_minus_one); | |
515 | de_fault (to_stopped_by_watchpoint, | |
516 | (int (*) (void)) | |
517 | return_zero); | |
518 | de_fault (to_stopped_data_address, | |
519 | (CORE_ADDR (*) (void)) | |
520 | return_zero); | |
521 | de_fault (to_region_size_ok_for_hw_watchpoint, | |
522 | default_region_size_ok_for_hw_watchpoint); | |
0d06e24b JM |
523 | de_fault (to_terminal_init, |
524 | (void (*) (void)) | |
525 | target_ignore); | |
526 | de_fault (to_terminal_inferior, | |
527 | (void (*) (void)) | |
528 | target_ignore); | |
529 | de_fault (to_terminal_ours_for_output, | |
530 | (void (*) (void)) | |
531 | target_ignore); | |
532 | de_fault (to_terminal_ours, | |
533 | (void (*) (void)) | |
534 | target_ignore); | |
a790ad35 SC |
535 | de_fault (to_terminal_save_ours, |
536 | (void (*) (void)) | |
537 | target_ignore); | |
0d06e24b JM |
538 | de_fault (to_terminal_info, |
539 | default_terminal_info); | |
540 | de_fault (to_kill, | |
541 | (void (*) (void)) | |
542 | noprocess); | |
543 | de_fault (to_load, | |
544 | (void (*) (char *, int)) | |
545 | tcomplain); | |
546 | de_fault (to_lookup_symbol, | |
547 | (int (*) (char *, CORE_ADDR *)) | |
548 | nosymbol); | |
549 | de_fault (to_create_inferior, | |
550 | maybe_kill_then_create_inferior); | |
551 | de_fault (to_post_startup_inferior, | |
39f77062 | 552 | (void (*) (ptid_t)) |
0d06e24b JM |
553 | target_ignore); |
554 | de_fault (to_acknowledge_created_inferior, | |
555 | (void (*) (int)) | |
556 | target_ignore); | |
0d06e24b JM |
557 | de_fault (to_insert_fork_catchpoint, |
558 | (int (*) (int)) | |
559 | tcomplain); | |
560 | de_fault (to_remove_fork_catchpoint, | |
561 | (int (*) (int)) | |
562 | tcomplain); | |
563 | de_fault (to_insert_vfork_catchpoint, | |
564 | (int (*) (int)) | |
565 | tcomplain); | |
566 | de_fault (to_remove_vfork_catchpoint, | |
567 | (int (*) (int)) | |
568 | tcomplain); | |
4c9ba7e0 | 569 | de_fault (to_follow_fork, |
6604731b | 570 | (int (*) (int)) |
0d06e24b JM |
571 | target_ignore); |
572 | de_fault (to_insert_exec_catchpoint, | |
573 | (int (*) (int)) | |
574 | tcomplain); | |
575 | de_fault (to_remove_exec_catchpoint, | |
576 | (int (*) (int)) | |
577 | tcomplain); | |
0d06e24b JM |
578 | de_fault (to_reported_exec_events_per_exec_call, |
579 | (int (*) (void)) | |
580 | return_one); | |
0d06e24b JM |
581 | de_fault (to_has_exited, |
582 | (int (*) (int, int, int *)) | |
583 | return_zero); | |
584 | de_fault (to_mourn_inferior, | |
585 | (void (*) (void)) | |
586 | noprocess); | |
587 | de_fault (to_can_run, | |
588 | return_zero); | |
589 | de_fault (to_notice_signals, | |
39f77062 | 590 | (void (*) (ptid_t)) |
0d06e24b JM |
591 | target_ignore); |
592 | de_fault (to_thread_alive, | |
39f77062 | 593 | (int (*) (ptid_t)) |
0d06e24b JM |
594 | return_zero); |
595 | de_fault (to_find_new_threads, | |
596 | (void (*) (void)) | |
597 | target_ignore); | |
598 | de_fault (to_extra_thread_info, | |
599 | (char *(*) (struct thread_info *)) | |
600 | return_zero); | |
601 | de_fault (to_stop, | |
602 | (void (*) (void)) | |
603 | target_ignore); | |
0d06e24b | 604 | de_fault (to_rcmd, |
d9fcf2fb | 605 | (void (*) (char *, struct ui_file *)) |
0d06e24b JM |
606 | tcomplain); |
607 | de_fault (to_enable_exception_callback, | |
608 | (struct symtab_and_line * (*) (enum exception_event_kind, int)) | |
609 | nosupport_runtime); | |
610 | de_fault (to_get_current_exception_event, | |
611 | (struct exception_event_record * (*) (void)) | |
612 | nosupport_runtime); | |
613 | de_fault (to_pid_to_exec_file, | |
614 | (char *(*) (int)) | |
615 | return_zero); | |
0d06e24b JM |
616 | de_fault (to_can_async_p, |
617 | (int (*) (void)) | |
618 | return_zero); | |
619 | de_fault (to_is_async_p, | |
620 | (int (*) (void)) | |
621 | return_zero); | |
622 | de_fault (to_async, | |
623 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
624 | tcomplain); | |
c906108c | 625 | #undef de_fault |
c906108c | 626 | |
7998dfc3 AC |
627 | /* Finally, position the target-stack beneath the squashed |
628 | "current_target". That way code looking for a non-inherited | |
629 | target method can quickly and simply find it. */ | |
630 | current_target.beneath = target_stack; | |
c906108c SS |
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 | ||
c906108c SS |
685 | if (targetdebug) |
686 | setup_target_debug (); | |
c906108c | 687 | |
258b763a AC |
688 | /* Not on top? */ |
689 | return (t != target_stack); | |
c906108c SS |
690 | } |
691 | ||
692 | /* Remove a target_ops vector from the stack, wherever it may be. | |
693 | Return how many times it was removed (0 or 1). */ | |
694 | ||
695 | int | |
fba45db2 | 696 | unpush_target (struct target_ops *t) |
c906108c | 697 | { |
258b763a AC |
698 | struct target_ops **cur; |
699 | struct target_ops *tmp; | |
c906108c SS |
700 | |
701 | if (t->to_close) | |
702 | t->to_close (0); /* Let it clean up */ | |
703 | ||
704 | /* Look for the specified target. Note that we assume that a target | |
705 | can only occur once in the target stack. */ | |
706 | ||
258b763a AC |
707 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) |
708 | { | |
709 | if ((*cur) == t) | |
710 | break; | |
711 | } | |
c906108c | 712 | |
258b763a | 713 | if ((*cur) == NULL) |
c906108c SS |
714 | return 0; /* Didn't find target_ops, quit now */ |
715 | ||
716 | /* Unchain the target */ | |
258b763a AC |
717 | tmp = (*cur); |
718 | (*cur) = (*cur)->beneath; | |
719 | tmp->beneath = NULL; | |
c906108c SS |
720 | |
721 | update_current_target (); | |
c906108c SS |
722 | |
723 | return 1; | |
724 | } | |
725 | ||
726 | void | |
fba45db2 | 727 | pop_target (void) |
c906108c | 728 | { |
c5aa993b | 729 | (current_target.to_close) (0); /* Let it clean up */ |
258b763a | 730 | if (unpush_target (target_stack) == 1) |
c906108c SS |
731 | return; |
732 | ||
c5aa993b JM |
733 | fprintf_unfiltered (gdb_stderr, |
734 | "pop_target couldn't find target %s\n", | |
735 | current_target.to_shortname); | |
e1e9e218 | 736 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
737 | } |
738 | ||
739 | #undef MIN | |
740 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
741 | ||
742 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
743 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
744 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
745 | is responsible for freeing it. Return the number of bytes successfully | |
746 | read. */ | |
747 | ||
748 | int | |
fba45db2 | 749 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
750 | { |
751 | int tlen, origlen, offset, i; | |
752 | char buf[4]; | |
753 | int errcode = 0; | |
754 | char *buffer; | |
755 | int buffer_allocated; | |
756 | char *bufptr; | |
757 | unsigned int nbytes_read = 0; | |
758 | ||
759 | /* Small for testing. */ | |
760 | buffer_allocated = 4; | |
761 | buffer = xmalloc (buffer_allocated); | |
762 | bufptr = buffer; | |
763 | ||
764 | origlen = len; | |
765 | ||
766 | while (len > 0) | |
767 | { | |
768 | tlen = MIN (len, 4 - (memaddr & 3)); | |
769 | offset = memaddr & 3; | |
770 | ||
d4b2399a | 771 | errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0); |
c906108c SS |
772 | if (errcode != 0) |
773 | { | |
774 | /* The transfer request might have crossed the boundary to an | |
775 | unallocated region of memory. Retry the transfer, requesting | |
776 | a single byte. */ | |
777 | tlen = 1; | |
778 | offset = 0; | |
d4b2399a | 779 | errcode = target_xfer_memory (memaddr, buf, 1, 0); |
c906108c SS |
780 | if (errcode != 0) |
781 | goto done; | |
782 | } | |
783 | ||
784 | if (bufptr - buffer + tlen > buffer_allocated) | |
785 | { | |
786 | unsigned int bytes; | |
787 | bytes = bufptr - buffer; | |
788 | buffer_allocated *= 2; | |
789 | buffer = xrealloc (buffer, buffer_allocated); | |
790 | bufptr = buffer + bytes; | |
791 | } | |
792 | ||
793 | for (i = 0; i < tlen; i++) | |
794 | { | |
795 | *bufptr++ = buf[i + offset]; | |
796 | if (buf[i + offset] == '\000') | |
797 | { | |
798 | nbytes_read += i + 1; | |
799 | goto done; | |
800 | } | |
801 | } | |
802 | ||
803 | memaddr += tlen; | |
804 | len -= tlen; | |
805 | nbytes_read += tlen; | |
806 | } | |
c5aa993b | 807 | done: |
c906108c SS |
808 | if (errnop != NULL) |
809 | *errnop = errcode; | |
810 | if (string != NULL) | |
811 | *string = buffer; | |
812 | return nbytes_read; | |
813 | } | |
814 | ||
8db32d44 AC |
815 | /* Find a section containing ADDR. */ |
816 | struct section_table * | |
817 | target_section_by_addr (struct target_ops *target, CORE_ADDR addr) | |
818 | { | |
819 | struct section_table *secp; | |
820 | for (secp = target->to_sections; | |
821 | secp < target->to_sections_end; | |
822 | secp++) | |
823 | { | |
824 | if (addr >= secp->addr && addr < secp->endaddr) | |
825 | return secp; | |
826 | } | |
827 | return NULL; | |
828 | } | |
829 | ||
c906108c SS |
830 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in |
831 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
832 | if any error occurs. | |
833 | ||
834 | If an error occurs, no guarantee is made about the contents of the data at | |
835 | MYADDR. In particular, the caller should not depend upon partial reads | |
836 | filling the buffer with good data. There is no way for the caller to know | |
837 | how much good data might have been transfered anyway. Callers that can | |
838 | deal with partial reads should call target_read_memory_partial. */ | |
839 | ||
840 | int | |
fba45db2 | 841 | target_read_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 842 | { |
d4b2399a | 843 | return target_xfer_memory (memaddr, myaddr, len, 0); |
c906108c SS |
844 | } |
845 | ||
c906108c | 846 | int |
fba45db2 | 847 | target_write_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 848 | { |
d4b2399a | 849 | return target_xfer_memory (memaddr, myaddr, len, 1); |
c906108c | 850 | } |
c5aa993b | 851 | |
3a11626d MS |
852 | static int trust_readonly = 0; |
853 | ||
67e0617e C |
854 | /* Move memory to or from the targets. The top target gets priority; |
855 | if it cannot handle it, it is offered to the next one down, etc. | |
c906108c | 856 | |
67e0617e | 857 | Result is -1 on error, or the number of bytes transfered. */ |
c906108c | 858 | |
4930751a | 859 | int |
29e57380 C |
860 | do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
861 | struct mem_attrib *attrib) | |
c906108c | 862 | { |
c906108c | 863 | int res; |
4930751a | 864 | int done = 0; |
c906108c | 865 | struct target_ops *t; |
c906108c SS |
866 | |
867 | /* Zero length requests are ok and require no work. */ | |
868 | if (len == 0) | |
869 | return 0; | |
870 | ||
c906108c SS |
871 | /* to_xfer_memory is not guaranteed to set errno, even when it returns |
872 | 0. */ | |
873 | errno = 0; | |
874 | ||
3a11626d MS |
875 | if (!write && trust_readonly) |
876 | { | |
8db32d44 | 877 | struct section_table *secp; |
2ceb85d0 BE |
878 | /* User-settable option, "trust-readonly-sections". If true, |
879 | then memory from any SEC_READONLY bfd section may be read | |
8db32d44 AC |
880 | directly from the bfd file. */ |
881 | secp = target_section_by_addr (¤t_target, memaddr); | |
882 | if (secp != NULL | |
883 | && (bfd_get_section_flags (secp->bfd, secp->the_bfd_section) | |
884 | & SEC_READONLY)) | |
885 | return xfer_memory (memaddr, myaddr, len, 0, attrib, ¤t_target); | |
3a11626d MS |
886 | } |
887 | ||
67e0617e | 888 | /* The quick case is that the top target can handle the transfer. */ |
c906108c | 889 | res = current_target.to_xfer_memory |
29e57380 | 890 | (memaddr, myaddr, len, write, attrib, ¤t_target); |
c906108c | 891 | |
67e0617e C |
892 | /* If res <= 0 then we call it again in the loop. Ah well. */ |
893 | if (res <= 0) | |
c906108c | 894 | { |
258b763a | 895 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 896 | { |
c906108c SS |
897 | if (!t->to_has_memory) |
898 | continue; | |
899 | ||
29e57380 | 900 | res = t->to_xfer_memory (memaddr, myaddr, len, write, attrib, t); |
c906108c SS |
901 | if (res > 0) |
902 | break; /* Handled all or part of xfer */ | |
903 | if (t->to_has_all_memory) | |
904 | break; | |
905 | } | |
906 | ||
4930751a | 907 | if (res <= 0) |
67e0617e | 908 | return -1; |
4930751a | 909 | } |
67e0617e C |
910 | |
911 | return res; | |
4930751a C |
912 | } |
913 | ||
67e0617e C |
914 | |
915 | /* Perform a memory transfer. Iterate until the entire region has | |
916 | been transfered. | |
917 | ||
918 | Result is 0 or errno value. */ | |
919 | ||
4930751a C |
920 | static int |
921 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write) | |
922 | { | |
923 | int res; | |
29e57380 C |
924 | int reg_len; |
925 | struct mem_region *region; | |
4930751a C |
926 | |
927 | /* Zero length requests are ok and require no work. */ | |
928 | if (len == 0) | |
929 | { | |
930 | return 0; | |
931 | } | |
932 | ||
933 | while (len > 0) | |
934 | { | |
29e57380 C |
935 | region = lookup_mem_region(memaddr); |
936 | if (memaddr + len < region->hi) | |
937 | reg_len = len; | |
938 | else | |
939 | reg_len = region->hi - memaddr; | |
940 | ||
941 | switch (region->attrib.mode) | |
c906108c | 942 | { |
29e57380 C |
943 | case MEM_RO: |
944 | if (write) | |
945 | return EIO; | |
946 | break; | |
947 | ||
948 | case MEM_WO: | |
c906108c | 949 | if (!write) |
c906108c | 950 | return EIO; |
29e57380 | 951 | break; |
c906108c | 952 | } |
4930751a | 953 | |
29e57380 C |
954 | while (reg_len > 0) |
955 | { | |
956 | if (region->attrib.cache) | |
8add0441 | 957 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, |
29e57380 C |
958 | reg_len, write); |
959 | else | |
8add0441 | 960 | res = do_xfer_memory (memaddr, myaddr, reg_len, write, |
29e57380 C |
961 | ®ion->attrib); |
962 | ||
963 | if (res <= 0) | |
964 | { | |
965 | /* If this address is for nonexistent memory, read zeros | |
966 | if reading, or do nothing if writing. Return | |
967 | error. */ | |
968 | if (!write) | |
969 | memset (myaddr, 0, len); | |
970 | if (errno == 0) | |
971 | return EIO; | |
972 | else | |
973 | return errno; | |
974 | } | |
975 | ||
976 | memaddr += res; | |
977 | myaddr += res; | |
978 | len -= res; | |
979 | reg_len -= res; | |
980 | } | |
c906108c | 981 | } |
4930751a | 982 | |
c906108c SS |
983 | return 0; /* We managed to cover it all somehow. */ |
984 | } | |
985 | ||
986 | ||
67e0617e C |
987 | /* Perform a partial memory transfer. |
988 | ||
989 | Result is -1 on error, or the number of bytes transfered. */ | |
917317f4 JM |
990 | |
991 | static int | |
4930751a | 992 | target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len, |
917317f4 JM |
993 | int write_p, int *err) |
994 | { | |
995 | int res; | |
29e57380 C |
996 | int reg_len; |
997 | struct mem_region *region; | |
917317f4 JM |
998 | |
999 | /* Zero length requests are ok and require no work. */ | |
1000 | if (len == 0) | |
1001 | { | |
1002 | *err = 0; | |
1003 | return 0; | |
1004 | } | |
1005 | ||
29e57380 C |
1006 | region = lookup_mem_region(memaddr); |
1007 | if (memaddr + len < region->hi) | |
1008 | reg_len = len; | |
1009 | else | |
1010 | reg_len = region->hi - memaddr; | |
1011 | ||
1012 | switch (region->attrib.mode) | |
1013 | { | |
1014 | case MEM_RO: | |
1015 | if (write_p) | |
1016 | { | |
1017 | *err = EIO; | |
873406a6 | 1018 | return -1; |
29e57380 C |
1019 | } |
1020 | break; | |
1021 | ||
1022 | case MEM_WO: | |
1023 | if (write_p) | |
1024 | { | |
1025 | *err = EIO; | |
873406a6 | 1026 | return -1; |
29e57380 C |
1027 | } |
1028 | break; | |
1029 | } | |
1030 | ||
1031 | if (region->attrib.cache) | |
1032 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, | |
1033 | reg_len, write_p); | |
1034 | else | |
1035 | res = do_xfer_memory (memaddr, myaddr, reg_len, write_p, | |
1036 | ®ion->attrib); | |
1037 | ||
4930751a | 1038 | if (res <= 0) |
917317f4 | 1039 | { |
4930751a C |
1040 | if (errno != 0) |
1041 | *err = errno; | |
1042 | else | |
1043 | *err = EIO; | |
917317f4 | 1044 | |
4930751a | 1045 | return -1; |
917317f4 JM |
1046 | } |
1047 | ||
4930751a | 1048 | *err = 0; |
67e0617e | 1049 | return res; |
917317f4 JM |
1050 | } |
1051 | ||
1052 | int | |
1053 | target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1054 | { | |
1055 | return target_xfer_memory_partial (memaddr, buf, len, 0, err); | |
1056 | } | |
1057 | ||
1058 | int | |
1059 | target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1060 | { | |
1061 | return target_xfer_memory_partial (memaddr, buf, len, 1, err); | |
1062 | } | |
1063 | ||
1e3ff5ad AC |
1064 | /* More generic transfers. */ |
1065 | ||
1066 | LONGEST | |
1067 | target_read_partial (struct target_ops *ops, | |
1068 | enum target_object object, | |
1069 | const char *annex, void *buf, | |
1070 | ULONGEST offset, LONGEST len) | |
1071 | { | |
1072 | struct target_ops *op; | |
1073 | ||
1074 | /* Find the first target stratum that can handle the request. */ | |
1075 | for (op = ops; | |
1076 | op != NULL && op->to_read_partial == NULL; | |
1077 | op = op->beneath) | |
1078 | ; | |
1079 | if (op == NULL) | |
1080 | return -1; | |
1081 | ||
1082 | /* Now apply the operation at that level. */ | |
1083 | return op->to_read_partial (op, object, annex, buf, offset, len); | |
1084 | } | |
1085 | ||
1086 | LONGEST | |
1087 | target_write_partial (struct target_ops *ops, | |
1088 | enum target_object object, | |
1089 | const char *annex, const void *buf, | |
1090 | ULONGEST offset, LONGEST len) | |
1091 | { | |
1092 | struct target_ops *op; | |
1093 | ||
1094 | /* Find the first target stratum that can handle the request. */ | |
1095 | for (op = ops; | |
1096 | op != NULL && op->to_write_partial == NULL; | |
1097 | op = op->beneath) | |
1098 | ; | |
1099 | if (op == NULL) | |
1100 | return -1; | |
1101 | ||
1102 | return op->to_write_partial (op, object, annex, buf, offset, len); | |
1103 | } | |
1104 | ||
1105 | /* Wrappers to perform the full transfer. */ | |
1106 | LONGEST | |
1107 | target_read (struct target_ops *ops, | |
1108 | enum target_object object, | |
1109 | const char *annex, void *buf, | |
1110 | ULONGEST offset, LONGEST len) | |
1111 | { | |
1112 | LONGEST xfered = 0; | |
1113 | while (xfered < len) | |
1114 | { | |
1115 | LONGEST xfer = target_write_partial (ops, object, annex, | |
1116 | (bfd_byte *) buf + xfered, | |
1117 | offset + xfered, len - xfered); | |
1118 | /* Call an observer, notifying them of the xfer progress? */ | |
1119 | if (xfer < 0) | |
1120 | return xfer; | |
1121 | xfered += xfer; | |
1122 | QUIT; | |
1123 | } | |
1124 | return len; | |
1125 | } | |
1126 | ||
1127 | LONGEST | |
1128 | target_write (struct target_ops *ops, | |
1129 | enum target_object object, | |
1130 | const char *annex, const void *buf, | |
1131 | ULONGEST offset, LONGEST len) | |
1132 | { | |
1133 | LONGEST xfered = 0; | |
1134 | while (xfered < len) | |
1135 | { | |
1136 | LONGEST xfer = target_write_partial (ops, object, annex, | |
1137 | (bfd_byte *) buf + xfered, | |
1138 | offset + xfered, len - xfered); | |
1139 | /* Call an observer, notifying them of the xfer progress? */ | |
1140 | if (xfer < 0) | |
1141 | return xfer; | |
1142 | xfered += xfer; | |
1143 | QUIT; | |
1144 | } | |
1145 | return len; | |
1146 | } | |
1147 | ||
c906108c | 1148 | static void |
fba45db2 | 1149 | target_info (char *args, int from_tty) |
c906108c SS |
1150 | { |
1151 | struct target_ops *t; | |
c906108c | 1152 | int has_all_mem = 0; |
c5aa993b | 1153 | |
c906108c SS |
1154 | if (symfile_objfile != NULL) |
1155 | printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name); | |
1156 | ||
1157 | #ifdef FILES_INFO_HOOK | |
1158 | if (FILES_INFO_HOOK ()) | |
1159 | return; | |
1160 | #endif | |
1161 | ||
258b763a | 1162 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 1163 | { |
c906108c SS |
1164 | if (!t->to_has_memory) |
1165 | continue; | |
1166 | ||
c5aa993b | 1167 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1168 | continue; |
1169 | if (has_all_mem) | |
c5aa993b JM |
1170 | printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n"); |
1171 | printf_unfiltered ("%s:\n", t->to_longname); | |
1172 | (t->to_files_info) (t); | |
c906108c SS |
1173 | has_all_mem = t->to_has_all_memory; |
1174 | } | |
1175 | } | |
1176 | ||
1177 | /* This is to be called by the open routine before it does | |
1178 | anything. */ | |
1179 | ||
1180 | void | |
fba45db2 | 1181 | target_preopen (int from_tty) |
c906108c | 1182 | { |
c5aa993b | 1183 | dont_repeat (); |
c906108c SS |
1184 | |
1185 | if (target_has_execution) | |
c5aa993b | 1186 | { |
adf40b2e JM |
1187 | if (!from_tty |
1188 | || query ("A program is being debugged already. Kill it? ")) | |
c5aa993b | 1189 | target_kill (); |
c906108c | 1190 | else |
c5aa993b | 1191 | error ("Program not killed."); |
c906108c SS |
1192 | } |
1193 | ||
1194 | /* Calling target_kill may remove the target from the stack. But if | |
1195 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1196 | ||
1197 | if (target_has_execution) | |
1198 | pop_target (); | |
1199 | } | |
1200 | ||
1201 | /* Detach a target after doing deferred register stores. */ | |
1202 | ||
1203 | void | |
fba45db2 | 1204 | target_detach (char *args, int from_tty) |
c906108c SS |
1205 | { |
1206 | /* Handle any optimized stores to the inferior. */ | |
1207 | #ifdef DO_DEFERRED_STORES | |
1208 | DO_DEFERRED_STORES; | |
1209 | #endif | |
1210 | (current_target.to_detach) (args, from_tty); | |
1211 | } | |
1212 | ||
6ad8ae5c DJ |
1213 | void |
1214 | target_disconnect (char *args, int from_tty) | |
1215 | { | |
1216 | /* Handle any optimized stores to the inferior. */ | |
1217 | #ifdef DO_DEFERRED_STORES | |
1218 | DO_DEFERRED_STORES; | |
1219 | #endif | |
1220 | (current_target.to_disconnect) (args, from_tty); | |
1221 | } | |
1222 | ||
c906108c | 1223 | void |
fba45db2 | 1224 | target_link (char *modname, CORE_ADDR *t_reloc) |
c906108c | 1225 | { |
c5aa993b | 1226 | if (STREQ (current_target.to_shortname, "rombug")) |
c906108c SS |
1227 | { |
1228 | (current_target.to_lookup_symbol) (modname, t_reloc); | |
1229 | if (*t_reloc == 0) | |
c5aa993b | 1230 | error ("Unable to link to %s and get relocation in rombug", modname); |
c906108c SS |
1231 | } |
1232 | else | |
2acceee2 | 1233 | *t_reloc = (CORE_ADDR) -1; |
c906108c SS |
1234 | } |
1235 | ||
ed9a39eb JM |
1236 | int |
1237 | target_async_mask (int mask) | |
1238 | { | |
1239 | int saved_async_masked_status = target_async_mask_value; | |
1240 | target_async_mask_value = mask; | |
1241 | return saved_async_masked_status; | |
1242 | } | |
1243 | ||
c906108c SS |
1244 | /* Look through the list of possible targets for a target that can |
1245 | execute a run or attach command without any other data. This is | |
1246 | used to locate the default process stratum. | |
1247 | ||
1248 | Result is always valid (error() is called for errors). */ | |
1249 | ||
1250 | static struct target_ops * | |
fba45db2 | 1251 | find_default_run_target (char *do_mesg) |
c906108c SS |
1252 | { |
1253 | struct target_ops **t; | |
1254 | struct target_ops *runable = NULL; | |
1255 | int count; | |
1256 | ||
1257 | count = 0; | |
1258 | ||
1259 | for (t = target_structs; t < target_structs + target_struct_size; | |
1260 | ++t) | |
1261 | { | |
c5aa993b | 1262 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1263 | { |
1264 | runable = *t; | |
1265 | ++count; | |
1266 | } | |
1267 | } | |
1268 | ||
1269 | if (count != 1) | |
1270 | error ("Don't know how to %s. Try \"help target\".", do_mesg); | |
1271 | ||
1272 | return runable; | |
1273 | } | |
1274 | ||
1275 | void | |
fba45db2 | 1276 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1277 | { |
1278 | struct target_ops *t; | |
1279 | ||
c5aa993b | 1280 | t = find_default_run_target ("attach"); |
c906108c SS |
1281 | (t->to_attach) (args, from_tty); |
1282 | return; | |
1283 | } | |
1284 | ||
c906108c | 1285 | void |
fba45db2 | 1286 | find_default_create_inferior (char *exec_file, char *allargs, char **env) |
c906108c SS |
1287 | { |
1288 | struct target_ops *t; | |
1289 | ||
c5aa993b | 1290 | t = find_default_run_target ("run"); |
c906108c SS |
1291 | (t->to_create_inferior) (exec_file, allargs, env); |
1292 | return; | |
1293 | } | |
1294 | ||
ccaa32c7 GS |
1295 | static int |
1296 | default_region_size_ok_for_hw_watchpoint (int byte_count) | |
1297 | { | |
b1e29e33 | 1298 | return (byte_count <= DEPRECATED_REGISTER_SIZE); |
ccaa32c7 GS |
1299 | } |
1300 | ||
c906108c | 1301 | static int |
fba45db2 | 1302 | return_zero (void) |
c906108c SS |
1303 | { |
1304 | return 0; | |
1305 | } | |
1306 | ||
1307 | static int | |
fba45db2 | 1308 | return_one (void) |
c906108c SS |
1309 | { |
1310 | return 1; | |
1311 | } | |
1312 | ||
ccaa32c7 GS |
1313 | static int |
1314 | return_minus_one (void) | |
1315 | { | |
1316 | return -1; | |
1317 | } | |
1318 | ||
6426a772 JM |
1319 | /* |
1320 | * Resize the to_sections pointer. Also make sure that anyone that | |
1321 | * was holding on to an old value of it gets updated. | |
1322 | * Returns the old size. | |
1323 | */ | |
1324 | ||
1325 | int | |
1326 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1327 | { | |
1328 | struct target_ops **t; | |
1329 | struct section_table *old_value; | |
1330 | int old_count; | |
1331 | ||
1332 | old_value = target->to_sections; | |
1333 | ||
1334 | if (target->to_sections) | |
1335 | { | |
1336 | old_count = target->to_sections_end - target->to_sections; | |
1337 | target->to_sections = (struct section_table *) | |
1338 | xrealloc ((char *) target->to_sections, | |
1339 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1340 | } | |
1341 | else | |
1342 | { | |
1343 | old_count = 0; | |
1344 | target->to_sections = (struct section_table *) | |
1345 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1346 | } | |
1347 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1348 | ||
1349 | /* Check to see if anyone else was pointing to this structure. | |
1350 | If old_value was null, then no one was. */ | |
1351 | ||
1352 | if (old_value) | |
1353 | { | |
1354 | for (t = target_structs; t < target_structs + target_struct_size; | |
1355 | ++t) | |
1356 | { | |
1357 | if ((*t)->to_sections == old_value) | |
1358 | { | |
1359 | (*t)->to_sections = target->to_sections; | |
1360 | (*t)->to_sections_end = target->to_sections_end; | |
1361 | } | |
1362 | } | |
1363 | } | |
1364 | ||
1365 | return old_count; | |
1366 | ||
1367 | } | |
1368 | ||
07cd4b97 JB |
1369 | /* Remove all target sections taken from ABFD. |
1370 | ||
1371 | Scan the current target stack for targets whose section tables | |
1372 | refer to sections from BFD, and remove those sections. We use this | |
1373 | when we notice that the inferior has unloaded a shared object, for | |
1374 | example. */ | |
1375 | void | |
1376 | remove_target_sections (bfd *abfd) | |
1377 | { | |
1378 | struct target_ops **t; | |
1379 | ||
1380 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1381 | { | |
1382 | struct section_table *src, *dest; | |
1383 | ||
1384 | dest = (*t)->to_sections; | |
1385 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1386 | if (src->bfd != abfd) | |
1387 | { | |
1388 | /* Keep this section. */ | |
1389 | if (dest < src) *dest = *src; | |
1390 | dest++; | |
1391 | } | |
1392 | ||
1393 | /* If we've dropped any sections, resize the section table. */ | |
1394 | if (dest < src) | |
1395 | target_resize_to_sections (*t, dest - src); | |
1396 | } | |
1397 | } | |
1398 | ||
1399 | ||
1400 | ||
1401 | ||
7a292a7a SS |
1402 | /* Find a single runnable target in the stack and return it. If for |
1403 | some reason there is more than one, return NULL. */ | |
1404 | ||
1405 | struct target_ops * | |
fba45db2 | 1406 | find_run_target (void) |
7a292a7a SS |
1407 | { |
1408 | struct target_ops **t; | |
1409 | struct target_ops *runable = NULL; | |
1410 | int count; | |
c5aa993b | 1411 | |
7a292a7a | 1412 | count = 0; |
c5aa993b | 1413 | |
7a292a7a SS |
1414 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1415 | { | |
c5aa993b | 1416 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1417 | { |
1418 | runable = *t; | |
1419 | ++count; | |
1420 | } | |
1421 | } | |
c5aa993b | 1422 | |
7a292a7a SS |
1423 | return (count == 1 ? runable : NULL); |
1424 | } | |
1425 | ||
ed9a39eb JM |
1426 | /* Find a single core_stratum target in the list of targets and return it. |
1427 | If for some reason there is more than one, return NULL. */ | |
1428 | ||
c906108c | 1429 | struct target_ops * |
fba45db2 | 1430 | find_core_target (void) |
c906108c SS |
1431 | { |
1432 | struct target_ops **t; | |
1433 | struct target_ops *runable = NULL; | |
1434 | int count; | |
c5aa993b | 1435 | |
c906108c | 1436 | count = 0; |
c5aa993b | 1437 | |
c906108c SS |
1438 | for (t = target_structs; t < target_structs + target_struct_size; |
1439 | ++t) | |
1440 | { | |
1441 | if ((*t)->to_stratum == core_stratum) | |
1442 | { | |
1443 | runable = *t; | |
1444 | ++count; | |
1445 | } | |
1446 | } | |
c5aa993b JM |
1447 | |
1448 | return (count == 1 ? runable : NULL); | |
c906108c | 1449 | } |
ed9a39eb JM |
1450 | |
1451 | /* | |
1452 | * Find the next target down the stack from the specified target. | |
1453 | */ | |
1454 | ||
1455 | struct target_ops * | |
fba45db2 | 1456 | find_target_beneath (struct target_ops *t) |
ed9a39eb | 1457 | { |
258b763a | 1458 | return t->beneath; |
ed9a39eb JM |
1459 | } |
1460 | ||
c906108c SS |
1461 | \f |
1462 | /* The inferior process has died. Long live the inferior! */ | |
1463 | ||
1464 | void | |
fba45db2 | 1465 | generic_mourn_inferior (void) |
c906108c SS |
1466 | { |
1467 | extern int show_breakpoint_hit_counts; | |
1468 | ||
39f77062 | 1469 | inferior_ptid = null_ptid; |
c906108c SS |
1470 | attach_flag = 0; |
1471 | breakpoint_init_inferior (inf_exited); | |
1472 | registers_changed (); | |
1473 | ||
1474 | #ifdef CLEAR_DEFERRED_STORES | |
1475 | /* Delete any pending stores to the inferior... */ | |
1476 | CLEAR_DEFERRED_STORES; | |
1477 | #endif | |
1478 | ||
1479 | reopen_exec_file (); | |
1480 | reinit_frame_cache (); | |
1481 | ||
1482 | /* It is confusing to the user for ignore counts to stick around | |
1483 | from previous runs of the inferior. So clear them. */ | |
1484 | /* However, it is more confusing for the ignore counts to disappear when | |
1485 | using hit counts. So don't clear them if we're counting hits. */ | |
1486 | if (!show_breakpoint_hit_counts) | |
1487 | breakpoint_clear_ignore_counts (); | |
c5b739b5 FN |
1488 | |
1489 | if (detach_hook) | |
1490 | detach_hook (); | |
c906108c SS |
1491 | } |
1492 | \f | |
c906108c SS |
1493 | /* Helper function for child_wait and the Lynx derivatives of child_wait. |
1494 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1495 | translation of that in OURSTATUS. */ | |
1496 | void | |
fba45db2 | 1497 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c SS |
1498 | { |
1499 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1500 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1501 | if it wants to deal with hoststatus. */ | |
1502 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1503 | return; | |
1504 | #endif | |
1505 | ||
1506 | if (WIFEXITED (hoststatus)) | |
1507 | { | |
1508 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1509 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1510 | } | |
1511 | else if (!WIFSTOPPED (hoststatus)) | |
1512 | { | |
1513 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1514 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1515 | } | |
1516 | else | |
1517 | { | |
1518 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1519 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1520 | } | |
1521 | } | |
1522 | \f | |
c906108c | 1523 | /* Returns zero to leave the inferior alone, one to interrupt it. */ |
507f3c78 | 1524 | int (*target_activity_function) (void); |
c906108c SS |
1525 | int target_activity_fd; |
1526 | \f | |
1527 | /* Convert a normal process ID to a string. Returns the string in a static | |
1528 | buffer. */ | |
1529 | ||
1530 | char * | |
39f77062 | 1531 | normal_pid_to_str (ptid_t ptid) |
c906108c SS |
1532 | { |
1533 | static char buf[30]; | |
1534 | ||
39f77062 | 1535 | sprintf (buf, "process %d", PIDGET (ptid)); |
c906108c SS |
1536 | return buf; |
1537 | } | |
1538 | ||
1539 | /* Some targets (such as ttrace-based HPUX) don't allow us to request | |
1540 | notification of inferior events such as fork and vork immediately | |
1541 | after the inferior is created. (This because of how gdb gets an | |
1542 | inferior created via invoking a shell to do it. In such a scenario, | |
1543 | if the shell init file has commands in it, the shell will fork and | |
1544 | exec for each of those commands, and we will see each such fork | |
1545 | event. Very bad.) | |
c5aa993b | 1546 | |
c906108c SS |
1547 | This function is used by all targets that allow us to request |
1548 | notification of forks, etc at inferior creation time; e.g., in | |
1549 | target_acknowledge_forked_child. | |
c5aa993b | 1550 | */ |
392a587b | 1551 | static void |
39f77062 | 1552 | normal_target_post_startup_inferior (ptid_t ptid) |
c906108c SS |
1553 | { |
1554 | /* This space intentionally left blank. */ | |
1555 | } | |
1556 | ||
be4d1333 | 1557 | /* Error-catcher for target_find_memory_regions */ |
be4d1333 MS |
1558 | static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2) |
1559 | { | |
1560 | error ("No target."); | |
1561 | return 0; | |
1562 | } | |
1563 | ||
1564 | /* Error-catcher for target_make_corefile_notes */ | |
be4d1333 MS |
1565 | static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2) |
1566 | { | |
1567 | error ("No target."); | |
1568 | return NULL; | |
1569 | } | |
1570 | ||
c906108c SS |
1571 | /* Set up the handful of non-empty slots needed by the dummy target |
1572 | vector. */ | |
1573 | ||
1574 | static void | |
fba45db2 | 1575 | init_dummy_target (void) |
c906108c SS |
1576 | { |
1577 | dummy_target.to_shortname = "None"; | |
1578 | dummy_target.to_longname = "None"; | |
1579 | dummy_target.to_doc = ""; | |
1580 | dummy_target.to_attach = find_default_attach; | |
c906108c | 1581 | dummy_target.to_create_inferior = find_default_create_inferior; |
ed9a39eb | 1582 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c | 1583 | dummy_target.to_stratum = dummy_stratum; |
be4d1333 MS |
1584 | dummy_target.to_find_memory_regions = dummy_find_memory_regions; |
1585 | dummy_target.to_make_corefile_notes = dummy_make_corefile_notes; | |
c906108c SS |
1586 | dummy_target.to_magic = OPS_MAGIC; |
1587 | } | |
c906108c | 1588 | \f |
c5aa993b | 1589 | |
c906108c SS |
1590 | static struct target_ops debug_target; |
1591 | ||
1592 | static void | |
fba45db2 | 1593 | debug_to_open (char *args, int from_tty) |
c906108c SS |
1594 | { |
1595 | debug_target.to_open (args, from_tty); | |
1596 | ||
96baa820 | 1597 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
1598 | } |
1599 | ||
1600 | static void | |
fba45db2 | 1601 | debug_to_close (int quitting) |
c906108c SS |
1602 | { |
1603 | debug_target.to_close (quitting); | |
1604 | ||
96baa820 | 1605 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
1606 | } |
1607 | ||
1608 | static void | |
fba45db2 | 1609 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
1610 | { |
1611 | debug_target.to_attach (args, from_tty); | |
1612 | ||
96baa820 | 1613 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
1614 | } |
1615 | ||
1616 | ||
1617 | static void | |
fba45db2 | 1618 | debug_to_post_attach (int pid) |
c906108c SS |
1619 | { |
1620 | debug_target.to_post_attach (pid); | |
1621 | ||
96baa820 | 1622 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
1623 | } |
1624 | ||
c906108c | 1625 | static void |
fba45db2 | 1626 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
1627 | { |
1628 | debug_target.to_detach (args, from_tty); | |
1629 | ||
96baa820 | 1630 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
1631 | } |
1632 | ||
6ad8ae5c DJ |
1633 | static void |
1634 | debug_to_disconnect (char *args, int from_tty) | |
1635 | { | |
1636 | debug_target.to_disconnect (args, from_tty); | |
1637 | ||
1638 | fprintf_unfiltered (gdb_stdlog, "target_disconnect (%s, %d)\n", | |
1639 | args, from_tty); | |
1640 | } | |
1641 | ||
c906108c | 1642 | static void |
39f77062 | 1643 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 1644 | { |
39f77062 | 1645 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 1646 | |
39f77062 | 1647 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
1648 | step ? "step" : "continue", |
1649 | target_signal_to_name (siggnal)); | |
1650 | } | |
1651 | ||
39f77062 KB |
1652 | static ptid_t |
1653 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 1654 | { |
39f77062 | 1655 | ptid_t retval; |
c906108c | 1656 | |
39f77062 | 1657 | retval = debug_target.to_wait (ptid, status); |
c906108c | 1658 | |
96baa820 | 1659 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
1660 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
1661 | PIDGET (retval)); | |
96baa820 | 1662 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
1663 | switch (status->kind) |
1664 | { | |
1665 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 1666 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
1667 | status->value.integer); |
1668 | break; | |
1669 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 1670 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
1671 | target_signal_to_name (status->value.sig)); |
1672 | break; | |
1673 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 1674 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
1675 | target_signal_to_name (status->value.sig)); |
1676 | break; | |
1677 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 1678 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
1679 | break; |
1680 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 1681 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
1682 | break; |
1683 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 1684 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
1685 | break; |
1686 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 1687 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
1688 | break; |
1689 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 1690 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
1691 | break; |
1692 | default: | |
96baa820 | 1693 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
1694 | break; |
1695 | } | |
1696 | ||
1697 | return retval; | |
1698 | } | |
1699 | ||
1700 | static void | |
39f77062 | 1701 | debug_to_post_wait (ptid_t ptid, int status) |
c906108c | 1702 | { |
39f77062 | 1703 | debug_target.to_post_wait (ptid, status); |
c906108c | 1704 | |
96baa820 | 1705 | fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n", |
39f77062 | 1706 | PIDGET (ptid), status); |
c906108c SS |
1707 | } |
1708 | ||
bf0c5130 AC |
1709 | static void |
1710 | debug_print_register (const char * func, int regno) | |
1711 | { | |
1712 | fprintf_unfiltered (gdb_stdlog, "%s ", func); | |
1713 | if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS | |
1714 | && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0') | |
1715 | fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno)); | |
1716 | else | |
1717 | fprintf_unfiltered (gdb_stdlog, "(%d)", regno); | |
1718 | if (regno >= 0) | |
1719 | { | |
1720 | int i; | |
d9d9c31f | 1721 | unsigned char buf[MAX_REGISTER_SIZE]; |
4caf0990 | 1722 | deprecated_read_register_gen (regno, buf); |
bf0c5130 | 1723 | fprintf_unfiltered (gdb_stdlog, " = "); |
12c266ea | 1724 | for (i = 0; i < DEPRECATED_REGISTER_RAW_SIZE (regno); i++) |
bf0c5130 AC |
1725 | { |
1726 | fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]); | |
1727 | } | |
12c266ea | 1728 | if (DEPRECATED_REGISTER_RAW_SIZE (regno) <= sizeof (LONGEST)) |
bf0c5130 AC |
1729 | { |
1730 | fprintf_unfiltered (gdb_stdlog, " 0x%s %s", | |
1731 | paddr_nz (read_register (regno)), | |
1732 | paddr_d (read_register (regno))); | |
1733 | } | |
1734 | } | |
1735 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
1736 | } | |
1737 | ||
c906108c | 1738 | static void |
fba45db2 | 1739 | debug_to_fetch_registers (int regno) |
c906108c SS |
1740 | { |
1741 | debug_target.to_fetch_registers (regno); | |
bf0c5130 | 1742 | debug_print_register ("target_fetch_registers", regno); |
c906108c SS |
1743 | } |
1744 | ||
1745 | static void | |
fba45db2 | 1746 | debug_to_store_registers (int regno) |
c906108c SS |
1747 | { |
1748 | debug_target.to_store_registers (regno); | |
bf0c5130 AC |
1749 | debug_print_register ("target_store_registers", regno); |
1750 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
c906108c SS |
1751 | } |
1752 | ||
1753 | static void | |
fba45db2 | 1754 | debug_to_prepare_to_store (void) |
c906108c SS |
1755 | { |
1756 | debug_target.to_prepare_to_store (); | |
1757 | ||
96baa820 | 1758 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
1759 | } |
1760 | ||
1761 | static int | |
fba45db2 | 1762 | debug_to_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
29e57380 | 1763 | struct mem_attrib *attrib, |
fba45db2 | 1764 | struct target_ops *target) |
c906108c SS |
1765 | { |
1766 | int retval; | |
1767 | ||
29e57380 C |
1768 | retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, |
1769 | attrib, target); | |
c906108c | 1770 | |
96baa820 | 1771 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 1772 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 1773 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
1774 | len, write ? "write" : "read", retval); |
1775 | ||
c5aa993b | 1776 | |
c906108c SS |
1777 | |
1778 | if (retval > 0) | |
1779 | { | |
1780 | int i; | |
1781 | ||
96baa820 | 1782 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
1783 | for (i = 0; i < retval; i++) |
1784 | { | |
1785 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
96baa820 JM |
1786 | fprintf_unfiltered (gdb_stdlog, "\n"); |
1787 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); | |
c906108c SS |
1788 | } |
1789 | } | |
1790 | ||
96baa820 | 1791 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
1792 | |
1793 | return retval; | |
1794 | } | |
1795 | ||
1796 | static void | |
fba45db2 | 1797 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
1798 | { |
1799 | debug_target.to_files_info (target); | |
1800 | ||
96baa820 | 1801 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
1802 | } |
1803 | ||
1804 | static int | |
fba45db2 | 1805 | debug_to_insert_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1806 | { |
1807 | int retval; | |
1808 | ||
1809 | retval = debug_target.to_insert_breakpoint (addr, save); | |
1810 | ||
96baa820 | 1811 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1812 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
1813 | (unsigned long) addr, | |
1814 | (unsigned long) retval); | |
c906108c SS |
1815 | return retval; |
1816 | } | |
1817 | ||
1818 | static int | |
fba45db2 | 1819 | debug_to_remove_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1820 | { |
1821 | int retval; | |
1822 | ||
1823 | retval = debug_target.to_remove_breakpoint (addr, save); | |
1824 | ||
96baa820 | 1825 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1826 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
1827 | (unsigned long) addr, | |
1828 | (unsigned long) retval); | |
c906108c SS |
1829 | return retval; |
1830 | } | |
1831 | ||
ccaa32c7 GS |
1832 | static int |
1833 | debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty) | |
1834 | { | |
1835 | int retval; | |
1836 | ||
1837 | retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty); | |
1838 | ||
1839 | fprintf_unfiltered (gdb_stdlog, | |
1840 | "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n", | |
1841 | (unsigned long) type, | |
1842 | (unsigned long) cnt, | |
1843 | (unsigned long) from_tty, | |
1844 | (unsigned long) retval); | |
1845 | return retval; | |
1846 | } | |
1847 | ||
1848 | static int | |
1849 | debug_to_region_size_ok_for_hw_watchpoint (int byte_count) | |
1850 | { | |
1851 | CORE_ADDR retval; | |
1852 | ||
1853 | retval = debug_target.to_region_size_ok_for_hw_watchpoint (byte_count); | |
1854 | ||
1855 | fprintf_unfiltered (gdb_stdlog, | |
1856 | "TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (%ld) = 0x%lx\n", | |
1857 | (unsigned long) byte_count, | |
1858 | (unsigned long) retval); | |
1859 | return retval; | |
1860 | } | |
1861 | ||
1862 | static int | |
1863 | debug_to_stopped_by_watchpoint (void) | |
1864 | { | |
1865 | int retval; | |
1866 | ||
1867 | retval = debug_target.to_stopped_by_watchpoint (); | |
1868 | ||
1869 | fprintf_unfiltered (gdb_stdlog, | |
1870 | "STOPPED_BY_WATCHPOINT () = %ld\n", | |
1871 | (unsigned long) retval); | |
1872 | return retval; | |
1873 | } | |
1874 | ||
1875 | static CORE_ADDR | |
1876 | debug_to_stopped_data_address (void) | |
1877 | { | |
1878 | CORE_ADDR retval; | |
1879 | ||
1880 | retval = debug_target.to_stopped_data_address (); | |
1881 | ||
1882 | fprintf_unfiltered (gdb_stdlog, | |
1883 | "target_stopped_data_address () = 0x%lx\n", | |
1884 | (unsigned long) retval); | |
1885 | return retval; | |
1886 | } | |
1887 | ||
1888 | static int | |
1889 | debug_to_insert_hw_breakpoint (CORE_ADDR addr, char *save) | |
1890 | { | |
1891 | int retval; | |
1892 | ||
1893 | retval = debug_target.to_insert_hw_breakpoint (addr, save); | |
1894 | ||
1895 | fprintf_unfiltered (gdb_stdlog, | |
1896 | "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1897 | (unsigned long) addr, | |
1898 | (unsigned long) retval); | |
1899 | return retval; | |
1900 | } | |
1901 | ||
1902 | static int | |
1903 | debug_to_remove_hw_breakpoint (CORE_ADDR addr, char *save) | |
1904 | { | |
1905 | int retval; | |
1906 | ||
1907 | retval = debug_target.to_remove_hw_breakpoint (addr, save); | |
1908 | ||
1909 | fprintf_unfiltered (gdb_stdlog, | |
1910 | "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1911 | (unsigned long) addr, | |
1912 | (unsigned long) retval); | |
1913 | return retval; | |
1914 | } | |
1915 | ||
1916 | static int | |
1917 | debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type) | |
1918 | { | |
1919 | int retval; | |
1920 | ||
1921 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1922 | ||
1923 | fprintf_unfiltered (gdb_stdlog, | |
1924 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
1925 | (unsigned long) addr, len, type, (unsigned long) retval); | |
1926 | return retval; | |
1927 | } | |
1928 | ||
1929 | static int | |
1930 | debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type) | |
1931 | { | |
1932 | int retval; | |
1933 | ||
1934 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1935 | ||
1936 | fprintf_unfiltered (gdb_stdlog, | |
1937 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
1938 | (unsigned long) addr, len, type, (unsigned long) retval); | |
1939 | return retval; | |
1940 | } | |
1941 | ||
c906108c | 1942 | static void |
fba45db2 | 1943 | debug_to_terminal_init (void) |
c906108c SS |
1944 | { |
1945 | debug_target.to_terminal_init (); | |
1946 | ||
96baa820 | 1947 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
1948 | } |
1949 | ||
1950 | static void | |
fba45db2 | 1951 | debug_to_terminal_inferior (void) |
c906108c SS |
1952 | { |
1953 | debug_target.to_terminal_inferior (); | |
1954 | ||
96baa820 | 1955 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
1956 | } |
1957 | ||
1958 | static void | |
fba45db2 | 1959 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
1960 | { |
1961 | debug_target.to_terminal_ours_for_output (); | |
1962 | ||
96baa820 | 1963 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
1964 | } |
1965 | ||
1966 | static void | |
fba45db2 | 1967 | debug_to_terminal_ours (void) |
c906108c SS |
1968 | { |
1969 | debug_target.to_terminal_ours (); | |
1970 | ||
96baa820 | 1971 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
1972 | } |
1973 | ||
a790ad35 SC |
1974 | static void |
1975 | debug_to_terminal_save_ours (void) | |
1976 | { | |
1977 | debug_target.to_terminal_save_ours (); | |
1978 | ||
1979 | fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n"); | |
1980 | } | |
1981 | ||
c906108c | 1982 | static void |
fba45db2 | 1983 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
1984 | { |
1985 | debug_target.to_terminal_info (arg, from_tty); | |
1986 | ||
96baa820 | 1987 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
1988 | from_tty); |
1989 | } | |
1990 | ||
1991 | static void | |
fba45db2 | 1992 | debug_to_kill (void) |
c906108c SS |
1993 | { |
1994 | debug_target.to_kill (); | |
1995 | ||
96baa820 | 1996 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
1997 | } |
1998 | ||
1999 | static void | |
fba45db2 | 2000 | debug_to_load (char *args, int from_tty) |
c906108c SS |
2001 | { |
2002 | debug_target.to_load (args, from_tty); | |
2003 | ||
96baa820 | 2004 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
2005 | } |
2006 | ||
2007 | static int | |
fba45db2 | 2008 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
2009 | { |
2010 | int retval; | |
2011 | ||
2012 | retval = debug_target.to_lookup_symbol (name, addrp); | |
2013 | ||
96baa820 | 2014 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
2015 | |
2016 | return retval; | |
2017 | } | |
2018 | ||
2019 | static void | |
fba45db2 | 2020 | debug_to_create_inferior (char *exec_file, char *args, char **env) |
c906108c SS |
2021 | { |
2022 | debug_target.to_create_inferior (exec_file, args, env); | |
2023 | ||
96baa820 | 2024 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx)\n", |
c906108c SS |
2025 | exec_file, args); |
2026 | } | |
2027 | ||
2028 | static void | |
39f77062 | 2029 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 2030 | { |
39f77062 | 2031 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 2032 | |
96baa820 | 2033 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 2034 | PIDGET (ptid)); |
c906108c SS |
2035 | } |
2036 | ||
2037 | static void | |
fba45db2 | 2038 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
2039 | { |
2040 | debug_target.to_acknowledge_created_inferior (pid); | |
2041 | ||
96baa820 | 2042 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
2043 | pid); |
2044 | } | |
2045 | ||
c906108c | 2046 | static int |
fba45db2 | 2047 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 2048 | { |
c5aa993b | 2049 | int retval; |
c906108c SS |
2050 | |
2051 | retval = debug_target.to_insert_fork_catchpoint (pid); | |
2052 | ||
96baa820 | 2053 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2054 | pid, retval); |
c906108c SS |
2055 | |
2056 | return retval; | |
2057 | } | |
2058 | ||
2059 | static int | |
fba45db2 | 2060 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 2061 | { |
c5aa993b | 2062 | int retval; |
c906108c SS |
2063 | |
2064 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
2065 | ||
96baa820 | 2066 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2067 | pid, retval); |
c906108c SS |
2068 | |
2069 | return retval; | |
2070 | } | |
2071 | ||
2072 | static int | |
fba45db2 | 2073 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 2074 | { |
c5aa993b | 2075 | int retval; |
c906108c SS |
2076 | |
2077 | retval = debug_target.to_insert_vfork_catchpoint (pid); | |
2078 | ||
96baa820 | 2079 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n", |
c5aa993b | 2080 | pid, retval); |
c906108c SS |
2081 | |
2082 | return retval; | |
2083 | } | |
2084 | ||
2085 | static int | |
fba45db2 | 2086 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 2087 | { |
c5aa993b | 2088 | int retval; |
c906108c SS |
2089 | |
2090 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2091 | ||
96baa820 | 2092 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 2093 | pid, retval); |
c906108c SS |
2094 | |
2095 | return retval; | |
2096 | } | |
2097 | ||
6604731b DJ |
2098 | static int |
2099 | debug_to_follow_fork (int follow_child) | |
c906108c | 2100 | { |
6604731b | 2101 | int retval = debug_target.to_follow_fork (follow_child); |
c906108c | 2102 | |
6604731b DJ |
2103 | fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n", |
2104 | follow_child, retval); | |
2105 | ||
2106 | return retval; | |
c906108c SS |
2107 | } |
2108 | ||
2109 | static int | |
fba45db2 | 2110 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 2111 | { |
c5aa993b | 2112 | int retval; |
c906108c SS |
2113 | |
2114 | retval = debug_target.to_insert_exec_catchpoint (pid); | |
2115 | ||
96baa820 | 2116 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2117 | pid, retval); |
c906108c SS |
2118 | |
2119 | return retval; | |
2120 | } | |
2121 | ||
2122 | static int | |
fba45db2 | 2123 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 2124 | { |
c5aa993b | 2125 | int retval; |
c906108c SS |
2126 | |
2127 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2128 | ||
96baa820 | 2129 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2130 | pid, retval); |
c906108c SS |
2131 | |
2132 | return retval; | |
2133 | } | |
2134 | ||
c906108c | 2135 | static int |
fba45db2 | 2136 | debug_to_reported_exec_events_per_exec_call (void) |
c906108c | 2137 | { |
c5aa993b | 2138 | int reported_exec_events; |
c906108c SS |
2139 | |
2140 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
2141 | ||
96baa820 | 2142 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2143 | "target_reported_exec_events_per_exec_call () = %d\n", |
c5aa993b | 2144 | reported_exec_events); |
c906108c SS |
2145 | |
2146 | return reported_exec_events; | |
2147 | } | |
2148 | ||
c906108c | 2149 | static int |
fba45db2 | 2150 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2151 | { |
c5aa993b | 2152 | int has_exited; |
c906108c SS |
2153 | |
2154 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2155 | ||
96baa820 | 2156 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2157 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2158 | |
2159 | return has_exited; | |
2160 | } | |
2161 | ||
2162 | static void | |
fba45db2 | 2163 | debug_to_mourn_inferior (void) |
c906108c SS |
2164 | { |
2165 | debug_target.to_mourn_inferior (); | |
2166 | ||
96baa820 | 2167 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2168 | } |
2169 | ||
2170 | static int | |
fba45db2 | 2171 | debug_to_can_run (void) |
c906108c SS |
2172 | { |
2173 | int retval; | |
2174 | ||
2175 | retval = debug_target.to_can_run (); | |
2176 | ||
96baa820 | 2177 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2178 | |
2179 | return retval; | |
2180 | } | |
2181 | ||
2182 | static void | |
39f77062 | 2183 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2184 | { |
39f77062 | 2185 | debug_target.to_notice_signals (ptid); |
c906108c | 2186 | |
39f77062 KB |
2187 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2188 | PIDGET (ptid)); | |
c906108c SS |
2189 | } |
2190 | ||
2191 | static int | |
39f77062 | 2192 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2193 | { |
2194 | int retval; | |
2195 | ||
39f77062 | 2196 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2197 | |
96baa820 | 2198 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2199 | PIDGET (ptid), retval); |
c906108c SS |
2200 | |
2201 | return retval; | |
2202 | } | |
2203 | ||
0d06e24b | 2204 | static void |
fba45db2 | 2205 | debug_to_find_new_threads (void) |
0d06e24b JM |
2206 | { |
2207 | debug_target.to_find_new_threads (); | |
2208 | ||
2209 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2210 | } | |
2211 | ||
c906108c | 2212 | static void |
fba45db2 | 2213 | debug_to_stop (void) |
c906108c SS |
2214 | { |
2215 | debug_target.to_stop (); | |
2216 | ||
96baa820 | 2217 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2218 | } |
2219 | ||
1e3ff5ad AC |
2220 | static LONGEST |
2221 | debug_to_read_partial (struct target_ops *ops, | |
2222 | enum target_object object, | |
2223 | const char *annex, void *buf, | |
2224 | ULONGEST offset, LONGEST len) | |
c906108c | 2225 | { |
1e3ff5ad AC |
2226 | LONGEST retval; |
2227 | ||
2228 | retval = target_read_partial (&debug_target, object, annex, buf, offset, | |
2229 | len); | |
c906108c | 2230 | |
1e3ff5ad AC |
2231 | fprintf_unfiltered (gdb_stdlog, |
2232 | "target_read_partial (%d, %s, 0x%lx, 0x%s, %s) = %s\n", | |
2233 | (int) object, (annex ? annex : "(null)"), | |
2234 | (long) buf, paddr_nz (offset), | |
2235 | paddr_d (len), paddr_d (retval)); | |
2236 | ||
2237 | return retval; | |
2238 | } | |
c906108c | 2239 | |
1e3ff5ad AC |
2240 | static LONGEST |
2241 | debug_to_write_partial (struct target_ops *ops, | |
2242 | enum target_object object, | |
2243 | const char *annex, const void *buf, | |
2244 | ULONGEST offset, LONGEST len) | |
2245 | { | |
2246 | LONGEST retval; | |
2247 | ||
2248 | retval = target_write_partial (&debug_target, object, annex, buf, offset, | |
2249 | len); | |
2250 | ||
2251 | fprintf_unfiltered (gdb_stdlog, | |
2252 | "target_write_partial (%d, %s, 0x%lx, 0x%s, %s) = %s\n", | |
2253 | (int) object, (annex ? annex : "(null)"), | |
2254 | (long) buf, paddr_nz (offset), | |
2255 | paddr_d (len), paddr_d (retval)); | |
c906108c SS |
2256 | |
2257 | return retval; | |
2258 | } | |
2259 | ||
96baa820 JM |
2260 | static void |
2261 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2262 | struct ui_file *outbuf) |
96baa820 JM |
2263 | { |
2264 | debug_target.to_rcmd (command, outbuf); | |
2265 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2266 | } | |
2267 | ||
c906108c | 2268 | static struct symtab_and_line * |
fba45db2 | 2269 | debug_to_enable_exception_callback (enum exception_event_kind kind, int enable) |
c906108c | 2270 | { |
7a292a7a SS |
2271 | struct symtab_and_line *result; |
2272 | result = debug_target.to_enable_exception_callback (kind, enable); | |
96baa820 | 2273 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2274 | "target get_exception_callback_sal (%d, %d)\n", |
2275 | kind, enable); | |
7a292a7a | 2276 | return result; |
c906108c SS |
2277 | } |
2278 | ||
2279 | static struct exception_event_record * | |
fba45db2 | 2280 | debug_to_get_current_exception_event (void) |
c906108c | 2281 | { |
7a292a7a | 2282 | struct exception_event_record *result; |
c5aa993b | 2283 | result = debug_target.to_get_current_exception_event (); |
96baa820 | 2284 | fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n"); |
7a292a7a | 2285 | return result; |
c906108c SS |
2286 | } |
2287 | ||
2288 | static char * | |
fba45db2 | 2289 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2290 | { |
c5aa993b | 2291 | char *exec_file; |
c906108c SS |
2292 | |
2293 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2294 | ||
96baa820 | 2295 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2296 | pid, exec_file); |
c906108c SS |
2297 | |
2298 | return exec_file; | |
2299 | } | |
2300 | ||
c906108c | 2301 | static void |
fba45db2 | 2302 | setup_target_debug (void) |
c906108c SS |
2303 | { |
2304 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2305 | ||
2306 | current_target.to_open = debug_to_open; | |
2307 | current_target.to_close = debug_to_close; | |
2308 | current_target.to_attach = debug_to_attach; | |
2309 | current_target.to_post_attach = debug_to_post_attach; | |
c906108c | 2310 | current_target.to_detach = debug_to_detach; |
6ad8ae5c | 2311 | current_target.to_disconnect = debug_to_disconnect; |
c906108c SS |
2312 | current_target.to_resume = debug_to_resume; |
2313 | current_target.to_wait = debug_to_wait; | |
2314 | current_target.to_post_wait = debug_to_post_wait; | |
2315 | current_target.to_fetch_registers = debug_to_fetch_registers; | |
2316 | current_target.to_store_registers = debug_to_store_registers; | |
2317 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
2318 | current_target.to_xfer_memory = debug_to_xfer_memory; | |
2319 | current_target.to_files_info = debug_to_files_info; | |
2320 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2321 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
ccaa32c7 GS |
2322 | current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint; |
2323 | current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint; | |
2324 | current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint; | |
2325 | current_target.to_insert_watchpoint = debug_to_insert_watchpoint; | |
2326 | current_target.to_remove_watchpoint = debug_to_remove_watchpoint; | |
2327 | current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint; | |
2328 | current_target.to_stopped_data_address = debug_to_stopped_data_address; | |
2329 | current_target.to_region_size_ok_for_hw_watchpoint = debug_to_region_size_ok_for_hw_watchpoint; | |
c906108c SS |
2330 | current_target.to_terminal_init = debug_to_terminal_init; |
2331 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2332 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2333 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
a790ad35 | 2334 | current_target.to_terminal_save_ours = debug_to_terminal_save_ours; |
c906108c SS |
2335 | current_target.to_terminal_info = debug_to_terminal_info; |
2336 | current_target.to_kill = debug_to_kill; | |
2337 | current_target.to_load = debug_to_load; | |
2338 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2339 | current_target.to_create_inferior = debug_to_create_inferior; | |
2340 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2341 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
c906108c SS |
2342 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; |
2343 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2344 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2345 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
6604731b | 2346 | current_target.to_follow_fork = debug_to_follow_fork; |
c906108c SS |
2347 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; |
2348 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
c906108c | 2349 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; |
c906108c SS |
2350 | current_target.to_has_exited = debug_to_has_exited; |
2351 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2352 | current_target.to_can_run = debug_to_can_run; | |
2353 | current_target.to_notice_signals = debug_to_notice_signals; | |
2354 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 2355 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c | 2356 | current_target.to_stop = debug_to_stop; |
1e3ff5ad AC |
2357 | current_target.to_read_partial = debug_to_read_partial; |
2358 | current_target.to_write_partial = debug_to_write_partial; | |
96baa820 | 2359 | current_target.to_rcmd = debug_to_rcmd; |
c906108c SS |
2360 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
2361 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
2362 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
c906108c SS |
2363 | |
2364 | } | |
c906108c | 2365 | \f |
c5aa993b JM |
2366 | |
2367 | static char targ_desc[] = | |
2368 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
2369 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
2370 | core-file, and process, if any), as well as the symbol file name."; | |
2371 | ||
96baa820 JM |
2372 | static void |
2373 | do_monitor_command (char *cmd, | |
2374 | int from_tty) | |
2375 | { | |
2b5fe715 AC |
2376 | if ((current_target.to_rcmd |
2377 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 2378 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
2379 | && (debug_target.to_rcmd |
2380 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
96baa820 JM |
2381 | { |
2382 | error ("\"monitor\" command not supported by this target.\n"); | |
2383 | } | |
2384 | target_rcmd (cmd, gdb_stdtarg); | |
2385 | } | |
2386 | ||
c906108c | 2387 | void |
fba45db2 | 2388 | initialize_targets (void) |
c906108c SS |
2389 | { |
2390 | init_dummy_target (); | |
2391 | push_target (&dummy_target); | |
2392 | ||
2393 | add_info ("target", target_info, targ_desc); | |
2394 | add_info ("files", target_info, targ_desc); | |
2395 | ||
3a11626d MS |
2396 | add_show_from_set |
2397 | (add_set_cmd ("target", class_maintenance, var_zinteger, | |
2398 | (char *) &targetdebug, | |
2399 | "Set target debugging.\n\ | |
5d161b24 | 2400 | When non-zero, target debugging is enabled.", &setdebuglist), |
3a11626d MS |
2401 | &showdebuglist); |
2402 | ||
e707bbc2 AC |
2403 | add_setshow_boolean_cmd ("trust-readonly-sections", class_support, |
2404 | &trust_readonly, "\ | |
2405 | Set mode for reading from readonly sections.\n\ | |
3a11626d MS |
2406 | When this mode is on, memory reads from readonly sections (such as .text)\n\ |
2407 | will be read from the object file instead of from the target. This will\n\ | |
e707bbc2 | 2408 | result in significant performance improvement for remote targets.", "\ |
c0e624e7 | 2409 | Show mode for reading from readonly sections.\n", |
e707bbc2 AC |
2410 | NULL, NULL, |
2411 | &setlist, &showlist); | |
96baa820 JM |
2412 | |
2413 | add_com ("monitor", class_obscure, do_monitor_command, | |
2414 | "Send a command to the remote monitor (remote targets only)."); | |
2415 | ||
8add0441 | 2416 | target_dcache = dcache_init (); |
c906108c | 2417 | } |