Commit | Line | Data |
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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" |
0088c768 | 39 | #include "gdb_assert.h" |
c906108c | 40 | |
a14ed312 | 41 | static void target_info (char *, int); |
c906108c | 42 | |
a14ed312 | 43 | static void maybe_kill_then_create_inferior (char *, char *, char **); |
c906108c | 44 | |
a14ed312 | 45 | static void maybe_kill_then_attach (char *, int); |
c906108c | 46 | |
a14ed312 | 47 | static void kill_or_be_killed (int); |
c906108c | 48 | |
a14ed312 | 49 | static void default_terminal_info (char *, int); |
c906108c | 50 | |
ccaa32c7 GS |
51 | static int default_region_size_ok_for_hw_watchpoint (int); |
52 | ||
a14ed312 | 53 | static int nosymbol (char *, CORE_ADDR *); |
c906108c | 54 | |
a14ed312 | 55 | static void tcomplain (void); |
c906108c | 56 | |
a14ed312 | 57 | static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *); |
c906108c | 58 | |
a14ed312 | 59 | static int return_zero (void); |
c906108c | 60 | |
a14ed312 | 61 | static int return_one (void); |
c906108c | 62 | |
ccaa32c7 GS |
63 | static int return_minus_one (void); |
64 | ||
a14ed312 | 65 | void target_ignore (void); |
c906108c | 66 | |
a14ed312 | 67 | static void target_command (char *, int); |
c906108c | 68 | |
a14ed312 | 69 | static struct target_ops *find_default_run_target (char *); |
c906108c | 70 | |
a14ed312 | 71 | static void nosupport_runtime (void); |
392a587b | 72 | |
39f77062 | 73 | static void normal_target_post_startup_inferior (ptid_t ptid); |
392a587b | 74 | |
0088c768 AC |
75 | static LONGEST default_read_partial (struct target_ops *ops, |
76 | enum target_object object, | |
77 | const char *annex, void *buf, | |
78 | ULONGEST offset, LONGEST len); | |
79 | static LONGEST default_write_partial (struct target_ops *ops, | |
80 | enum target_object object, | |
81 | const char *annex, const void *buf, | |
82 | ULONGEST offset, LONGEST len); | |
83 | ||
917317f4 JM |
84 | /* Transfer LEN bytes between target address MEMADDR and GDB address |
85 | MYADDR. Returns 0 for success, errno code for failure (which | |
86 | includes partial transfers -- if you want a more useful response to | |
87 | partial transfers, try either target_read_memory_partial or | |
88 | target_write_memory_partial). */ | |
c906108c | 89 | |
570b8f7c AC |
90 | static int target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, |
91 | int write); | |
c906108c | 92 | |
a14ed312 | 93 | static void init_dummy_target (void); |
c906108c | 94 | |
a14ed312 | 95 | static void debug_to_open (char *, int); |
c906108c | 96 | |
a14ed312 | 97 | static void debug_to_close (int); |
c906108c | 98 | |
a14ed312 | 99 | static void debug_to_attach (char *, int); |
c906108c | 100 | |
a14ed312 | 101 | static void debug_to_detach (char *, int); |
c906108c | 102 | |
6ad8ae5c DJ |
103 | static void debug_to_disconnect (char *, int); |
104 | ||
39f77062 | 105 | static void debug_to_resume (ptid_t, int, enum target_signal); |
c906108c | 106 | |
39f77062 | 107 | static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *); |
c906108c | 108 | |
a14ed312 | 109 | static void debug_to_fetch_registers (int); |
c906108c | 110 | |
a14ed312 | 111 | static void debug_to_store_registers (int); |
c906108c | 112 | |
a14ed312 | 113 | static void debug_to_prepare_to_store (void); |
c906108c | 114 | |
5ae5f592 AC |
115 | static int debug_to_xfer_memory (CORE_ADDR, char *, int, int, |
116 | struct mem_attrib *, struct target_ops *); | |
c906108c | 117 | |
a14ed312 | 118 | static void debug_to_files_info (struct target_ops *); |
c906108c | 119 | |
a14ed312 | 120 | static int debug_to_insert_breakpoint (CORE_ADDR, char *); |
c906108c | 121 | |
a14ed312 | 122 | static int debug_to_remove_breakpoint (CORE_ADDR, char *); |
c906108c | 123 | |
ccaa32c7 GS |
124 | static int debug_to_can_use_hw_breakpoint (int, int, int); |
125 | ||
126 | static int debug_to_insert_hw_breakpoint (CORE_ADDR, char *); | |
127 | ||
128 | static int debug_to_remove_hw_breakpoint (CORE_ADDR, char *); | |
129 | ||
130 | static int debug_to_insert_watchpoint (CORE_ADDR, int, int); | |
131 | ||
132 | static int debug_to_remove_watchpoint (CORE_ADDR, int, int); | |
133 | ||
134 | static int debug_to_stopped_by_watchpoint (void); | |
135 | ||
136 | static CORE_ADDR debug_to_stopped_data_address (void); | |
137 | ||
138 | static int debug_to_region_size_ok_for_hw_watchpoint (int); | |
139 | ||
a14ed312 | 140 | static void debug_to_terminal_init (void); |
c906108c | 141 | |
a14ed312 | 142 | static void debug_to_terminal_inferior (void); |
c906108c | 143 | |
a14ed312 | 144 | static void debug_to_terminal_ours_for_output (void); |
c906108c | 145 | |
a790ad35 SC |
146 | static void debug_to_terminal_save_ours (void); |
147 | ||
a14ed312 | 148 | static void debug_to_terminal_ours (void); |
c906108c | 149 | |
a14ed312 | 150 | static void debug_to_terminal_info (char *, int); |
c906108c | 151 | |
a14ed312 | 152 | static void debug_to_kill (void); |
c906108c | 153 | |
a14ed312 | 154 | static void debug_to_load (char *, int); |
c906108c | 155 | |
a14ed312 | 156 | static int debug_to_lookup_symbol (char *, CORE_ADDR *); |
c906108c | 157 | |
a14ed312 | 158 | static void debug_to_create_inferior (char *, char *, char **); |
c906108c | 159 | |
a14ed312 | 160 | static void debug_to_mourn_inferior (void); |
c906108c | 161 | |
a14ed312 | 162 | static int debug_to_can_run (void); |
c906108c | 163 | |
39f77062 | 164 | static void debug_to_notice_signals (ptid_t); |
c906108c | 165 | |
39f77062 | 166 | static int debug_to_thread_alive (ptid_t); |
c906108c | 167 | |
a14ed312 | 168 | static void debug_to_stop (void); |
c906108c | 169 | |
c906108c SS |
170 | /* Pointer to array of target architecture structures; the size of the |
171 | array; the current index into the array; the allocated size of the | |
172 | array. */ | |
173 | struct target_ops **target_structs; | |
174 | unsigned target_struct_size; | |
175 | unsigned target_struct_index; | |
176 | unsigned target_struct_allocsize; | |
177 | #define DEFAULT_ALLOCSIZE 10 | |
178 | ||
179 | /* The initial current target, so that there is always a semi-valid | |
180 | current target. */ | |
181 | ||
182 | static struct target_ops dummy_target; | |
183 | ||
184 | /* Top of target stack. */ | |
185 | ||
258b763a | 186 | static struct target_ops *target_stack; |
c906108c SS |
187 | |
188 | /* The target structure we are currently using to talk to a process | |
189 | or file or whatever "inferior" we have. */ | |
190 | ||
191 | struct target_ops current_target; | |
192 | ||
193 | /* Command list for target. */ | |
194 | ||
195 | static struct cmd_list_element *targetlist = NULL; | |
196 | ||
197 | /* Nonzero if we are debugging an attached outside process | |
198 | rather than an inferior. */ | |
199 | ||
200 | int attach_flag; | |
201 | ||
c906108c SS |
202 | /* Non-zero if we want to see trace of target level stuff. */ |
203 | ||
204 | static int targetdebug = 0; | |
205 | ||
a14ed312 | 206 | static void setup_target_debug (void); |
c906108c | 207 | |
4930751a C |
208 | DCACHE *target_dcache; |
209 | ||
c906108c SS |
210 | /* The user just typed 'target' without the name of a target. */ |
211 | ||
c906108c | 212 | static void |
fba45db2 | 213 | target_command (char *arg, int from_tty) |
c906108c SS |
214 | { |
215 | fputs_filtered ("Argument required (target name). Try `help target'\n", | |
216 | gdb_stdout); | |
217 | } | |
218 | ||
219 | /* Add a possible target architecture to the list. */ | |
220 | ||
221 | void | |
fba45db2 | 222 | add_target (struct target_ops *t) |
c906108c | 223 | { |
0088c768 AC |
224 | /* Provide default values for all "must have" methods. */ |
225 | t->to_read_partial = default_read_partial; | |
226 | t->to_write_partial = default_write_partial; | |
227 | ||
c906108c SS |
228 | if (!target_structs) |
229 | { | |
230 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
231 | target_structs = (struct target_ops **) xmalloc | |
232 | (target_struct_allocsize * sizeof (*target_structs)); | |
233 | } | |
234 | if (target_struct_size >= target_struct_allocsize) | |
235 | { | |
236 | target_struct_allocsize *= 2; | |
237 | target_structs = (struct target_ops **) | |
c5aa993b JM |
238 | xrealloc ((char *) target_structs, |
239 | target_struct_allocsize * sizeof (*target_structs)); | |
c906108c SS |
240 | } |
241 | target_structs[target_struct_size++] = t; | |
c906108c SS |
242 | |
243 | if (targetlist == NULL) | |
244 | add_prefix_cmd ("target", class_run, target_command, | |
245 | "Connect to a target machine or process.\n\ | |
246 | The first argument is the type or protocol of the target machine.\n\ | |
247 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
248 | information on the arguments for a particular protocol, type\n\ | |
249 | `help target ' followed by the protocol name.", | |
250 | &targetlist, "target ", 0, &cmdlist); | |
251 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
252 | } | |
253 | ||
254 | /* Stub functions */ | |
255 | ||
256 | void | |
fba45db2 | 257 | target_ignore (void) |
c906108c SS |
258 | { |
259 | } | |
260 | ||
11cf8741 JM |
261 | void |
262 | target_load (char *arg, int from_tty) | |
263 | { | |
4930751a | 264 | dcache_invalidate (target_dcache); |
11cf8741 JM |
265 | (*current_target.to_load) (arg, from_tty); |
266 | } | |
267 | ||
c906108c | 268 | static int |
fba45db2 KB |
269 | nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
270 | struct target_ops *t) | |
c906108c | 271 | { |
c5aa993b JM |
272 | errno = EIO; /* Can't read/write this location */ |
273 | return 0; /* No bytes handled */ | |
c906108c SS |
274 | } |
275 | ||
276 | static void | |
fba45db2 | 277 | tcomplain (void) |
c906108c SS |
278 | { |
279 | error ("You can't do that when your target is `%s'", | |
280 | current_target.to_shortname); | |
281 | } | |
282 | ||
283 | void | |
fba45db2 | 284 | noprocess (void) |
c906108c SS |
285 | { |
286 | error ("You can't do that without a process to debug."); | |
287 | } | |
288 | ||
c906108c | 289 | static int |
fba45db2 | 290 | nosymbol (char *name, CORE_ADDR *addrp) |
c906108c | 291 | { |
c5aa993b | 292 | return 1; /* Symbol does not exist in target env */ |
c906108c SS |
293 | } |
294 | ||
392a587b | 295 | static void |
fba45db2 | 296 | nosupport_runtime (void) |
c906108c | 297 | { |
39f77062 | 298 | if (ptid_equal (inferior_ptid, null_ptid)) |
c906108c SS |
299 | noprocess (); |
300 | else | |
301 | error ("No run-time support for this"); | |
302 | } | |
303 | ||
304 | ||
c906108c | 305 | static void |
fba45db2 | 306 | default_terminal_info (char *args, int from_tty) |
c906108c | 307 | { |
c5aa993b | 308 | printf_unfiltered ("No saved terminal information.\n"); |
c906108c SS |
309 | } |
310 | ||
311 | /* This is the default target_create_inferior and target_attach function. | |
312 | If the current target is executing, it asks whether to kill it off. | |
313 | If this function returns without calling error(), it has killed off | |
314 | the target, and the operation should be attempted. */ | |
315 | ||
316 | static void | |
fba45db2 | 317 | kill_or_be_killed (int from_tty) |
c906108c SS |
318 | { |
319 | if (target_has_execution) | |
320 | { | |
321 | printf_unfiltered ("You are already running a program:\n"); | |
322 | target_files_info (); | |
c5aa993b JM |
323 | if (query ("Kill it? ")) |
324 | { | |
325 | target_kill (); | |
326 | if (target_has_execution) | |
327 | error ("Killing the program did not help."); | |
328 | return; | |
329 | } | |
330 | else | |
331 | { | |
332 | error ("Program not killed."); | |
333 | } | |
c906108c | 334 | } |
c5aa993b | 335 | tcomplain (); |
c906108c SS |
336 | } |
337 | ||
338 | static void | |
fba45db2 | 339 | maybe_kill_then_attach (char *args, int from_tty) |
c906108c SS |
340 | { |
341 | kill_or_be_killed (from_tty); | |
342 | target_attach (args, from_tty); | |
343 | } | |
344 | ||
345 | static void | |
fba45db2 | 346 | maybe_kill_then_create_inferior (char *exec, char *args, char **env) |
c906108c SS |
347 | { |
348 | kill_or_be_killed (0); | |
349 | target_create_inferior (exec, args, env); | |
350 | } | |
351 | ||
7998dfc3 AC |
352 | /* Go through the target stack from top to bottom, copying over zero |
353 | entries in current_target, then filling in still empty entries. In | |
354 | effect, we are doing class inheritance through the pushed target | |
355 | vectors. | |
356 | ||
357 | NOTE: cagney/2003-10-17: The problem with this inheritance, as it | |
358 | is currently implemented, is that it discards any knowledge of | |
359 | which target an inherited method originally belonged to. | |
360 | Consequently, new new target methods should instead explicitly and | |
361 | locally search the target stack for the target that can handle the | |
362 | request. */ | |
c906108c SS |
363 | |
364 | static void | |
7998dfc3 | 365 | update_current_target (void) |
c906108c | 366 | { |
7998dfc3 AC |
367 | struct target_ops *t; |
368 | ||
369 | /* First, reset curren'ts contents. */ | |
370 | memset (¤t_target, 0, sizeof (current_target)); | |
371 | ||
372 | #define INHERIT(FIELD, TARGET) \ | |
373 | if (!current_target.FIELD) \ | |
374 | current_target.FIELD = (TARGET)->FIELD | |
375 | ||
376 | for (t = target_stack; t; t = t->beneath) | |
377 | { | |
378 | INHERIT (to_shortname, t); | |
379 | INHERIT (to_longname, t); | |
380 | INHERIT (to_doc, t); | |
381 | INHERIT (to_open, t); | |
382 | INHERIT (to_close, t); | |
383 | INHERIT (to_attach, t); | |
384 | INHERIT (to_post_attach, t); | |
385 | INHERIT (to_detach, t); | |
386 | INHERIT (to_disconnect, t); | |
387 | INHERIT (to_resume, t); | |
388 | INHERIT (to_wait, t); | |
389 | INHERIT (to_post_wait, t); | |
390 | INHERIT (to_fetch_registers, t); | |
391 | INHERIT (to_store_registers, t); | |
392 | INHERIT (to_prepare_to_store, t); | |
393 | INHERIT (to_xfer_memory, t); | |
394 | INHERIT (to_files_info, t); | |
395 | INHERIT (to_insert_breakpoint, t); | |
396 | INHERIT (to_remove_breakpoint, t); | |
397 | INHERIT (to_can_use_hw_breakpoint, t); | |
398 | INHERIT (to_insert_hw_breakpoint, t); | |
399 | INHERIT (to_remove_hw_breakpoint, t); | |
400 | INHERIT (to_insert_watchpoint, t); | |
401 | INHERIT (to_remove_watchpoint, t); | |
402 | INHERIT (to_stopped_data_address, t); | |
403 | INHERIT (to_stopped_by_watchpoint, t); | |
404 | INHERIT (to_have_continuable_watchpoint, t); | |
405 | INHERIT (to_region_size_ok_for_hw_watchpoint, t); | |
406 | INHERIT (to_terminal_init, t); | |
407 | INHERIT (to_terminal_inferior, t); | |
408 | INHERIT (to_terminal_ours_for_output, t); | |
409 | INHERIT (to_terminal_ours, t); | |
410 | INHERIT (to_terminal_save_ours, t); | |
411 | INHERIT (to_terminal_info, t); | |
412 | INHERIT (to_kill, t); | |
413 | INHERIT (to_load, t); | |
414 | INHERIT (to_lookup_symbol, t); | |
415 | INHERIT (to_create_inferior, t); | |
416 | INHERIT (to_post_startup_inferior, t); | |
417 | INHERIT (to_acknowledge_created_inferior, t); | |
418 | INHERIT (to_insert_fork_catchpoint, t); | |
419 | INHERIT (to_remove_fork_catchpoint, t); | |
420 | INHERIT (to_insert_vfork_catchpoint, t); | |
421 | INHERIT (to_remove_vfork_catchpoint, t); | |
422 | INHERIT (to_follow_fork, t); | |
423 | INHERIT (to_insert_exec_catchpoint, t); | |
424 | INHERIT (to_remove_exec_catchpoint, t); | |
425 | INHERIT (to_reported_exec_events_per_exec_call, t); | |
426 | INHERIT (to_has_exited, t); | |
427 | INHERIT (to_mourn_inferior, t); | |
428 | INHERIT (to_can_run, t); | |
429 | INHERIT (to_notice_signals, t); | |
430 | INHERIT (to_thread_alive, t); | |
431 | INHERIT (to_find_new_threads, t); | |
432 | INHERIT (to_pid_to_str, t); | |
433 | INHERIT (to_extra_thread_info, t); | |
434 | INHERIT (to_stop, t); | |
1e3ff5ad AC |
435 | /* Do not inherit to_read_partial. */ |
436 | /* Do not inherit to_write_partial. */ | |
7998dfc3 AC |
437 | INHERIT (to_rcmd, t); |
438 | INHERIT (to_enable_exception_callback, t); | |
439 | INHERIT (to_get_current_exception_event, t); | |
440 | INHERIT (to_pid_to_exec_file, t); | |
441 | INHERIT (to_stratum, t); | |
442 | INHERIT (to_has_all_memory, t); | |
443 | INHERIT (to_has_memory, t); | |
444 | INHERIT (to_has_stack, t); | |
445 | INHERIT (to_has_registers, t); | |
446 | INHERIT (to_has_execution, t); | |
447 | INHERIT (to_has_thread_control, t); | |
448 | INHERIT (to_sections, t); | |
449 | INHERIT (to_sections_end, t); | |
450 | INHERIT (to_can_async_p, t); | |
451 | INHERIT (to_is_async_p, t); | |
452 | INHERIT (to_async, t); | |
453 | INHERIT (to_async_mask_value, t); | |
454 | INHERIT (to_find_memory_regions, t); | |
455 | INHERIT (to_make_corefile_notes, t); | |
456 | INHERIT (to_get_thread_local_address, t); | |
457 | INHERIT (to_magic, t); | |
458 | } | |
459 | #undef INHERIT | |
460 | ||
461 | /* Clean up a target struct so it no longer has any zero pointers in | |
0088c768 AC |
462 | it. Some entries are defaulted to a method that print an error, |
463 | others are hard-wired to a standard recursive default. */ | |
c906108c SS |
464 | |
465 | #define de_fault(field, value) \ | |
7998dfc3 AC |
466 | if (!current_target.field) \ |
467 | current_target.field = value | |
0d06e24b JM |
468 | |
469 | de_fault (to_open, | |
470 | (void (*) (char *, int)) | |
471 | tcomplain); | |
472 | de_fault (to_close, | |
473 | (void (*) (int)) | |
474 | target_ignore); | |
475 | de_fault (to_attach, | |
476 | maybe_kill_then_attach); | |
477 | de_fault (to_post_attach, | |
478 | (void (*) (int)) | |
479 | target_ignore); | |
0d06e24b JM |
480 | de_fault (to_detach, |
481 | (void (*) (char *, int)) | |
482 | target_ignore); | |
6ad8ae5c DJ |
483 | de_fault (to_disconnect, |
484 | (void (*) (char *, int)) | |
485 | tcomplain); | |
0d06e24b | 486 | de_fault (to_resume, |
39f77062 | 487 | (void (*) (ptid_t, int, enum target_signal)) |
0d06e24b JM |
488 | noprocess); |
489 | de_fault (to_wait, | |
39f77062 | 490 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) |
0d06e24b JM |
491 | noprocess); |
492 | de_fault (to_post_wait, | |
39f77062 | 493 | (void (*) (ptid_t, int)) |
0d06e24b JM |
494 | target_ignore); |
495 | de_fault (to_fetch_registers, | |
496 | (void (*) (int)) | |
497 | target_ignore); | |
498 | de_fault (to_store_registers, | |
499 | (void (*) (int)) | |
500 | noprocess); | |
501 | de_fault (to_prepare_to_store, | |
502 | (void (*) (void)) | |
503 | noprocess); | |
504 | de_fault (to_xfer_memory, | |
29e57380 | 505 | (int (*) (CORE_ADDR, char *, int, int, struct mem_attrib *, struct target_ops *)) |
0d06e24b JM |
506 | nomemory); |
507 | de_fault (to_files_info, | |
508 | (void (*) (struct target_ops *)) | |
509 | target_ignore); | |
510 | de_fault (to_insert_breakpoint, | |
511 | memory_insert_breakpoint); | |
512 | de_fault (to_remove_breakpoint, | |
513 | memory_remove_breakpoint); | |
ccaa32c7 GS |
514 | de_fault (to_can_use_hw_breakpoint, |
515 | (int (*) (int, int, int)) | |
516 | return_zero); | |
517 | de_fault (to_insert_hw_breakpoint, | |
518 | (int (*) (CORE_ADDR, char *)) | |
519 | return_minus_one); | |
520 | de_fault (to_remove_hw_breakpoint, | |
521 | (int (*) (CORE_ADDR, char *)) | |
522 | return_minus_one); | |
523 | de_fault (to_insert_watchpoint, | |
524 | (int (*) (CORE_ADDR, int, int)) | |
525 | return_minus_one); | |
526 | de_fault (to_remove_watchpoint, | |
527 | (int (*) (CORE_ADDR, int, int)) | |
528 | return_minus_one); | |
529 | de_fault (to_stopped_by_watchpoint, | |
530 | (int (*) (void)) | |
531 | return_zero); | |
532 | de_fault (to_stopped_data_address, | |
533 | (CORE_ADDR (*) (void)) | |
534 | return_zero); | |
535 | de_fault (to_region_size_ok_for_hw_watchpoint, | |
536 | default_region_size_ok_for_hw_watchpoint); | |
0d06e24b JM |
537 | de_fault (to_terminal_init, |
538 | (void (*) (void)) | |
539 | target_ignore); | |
540 | de_fault (to_terminal_inferior, | |
541 | (void (*) (void)) | |
542 | target_ignore); | |
543 | de_fault (to_terminal_ours_for_output, | |
544 | (void (*) (void)) | |
545 | target_ignore); | |
546 | de_fault (to_terminal_ours, | |
547 | (void (*) (void)) | |
548 | target_ignore); | |
a790ad35 SC |
549 | de_fault (to_terminal_save_ours, |
550 | (void (*) (void)) | |
551 | target_ignore); | |
0d06e24b JM |
552 | de_fault (to_terminal_info, |
553 | default_terminal_info); | |
554 | de_fault (to_kill, | |
555 | (void (*) (void)) | |
556 | noprocess); | |
557 | de_fault (to_load, | |
558 | (void (*) (char *, int)) | |
559 | tcomplain); | |
560 | de_fault (to_lookup_symbol, | |
561 | (int (*) (char *, CORE_ADDR *)) | |
562 | nosymbol); | |
563 | de_fault (to_create_inferior, | |
564 | maybe_kill_then_create_inferior); | |
565 | de_fault (to_post_startup_inferior, | |
39f77062 | 566 | (void (*) (ptid_t)) |
0d06e24b JM |
567 | target_ignore); |
568 | de_fault (to_acknowledge_created_inferior, | |
569 | (void (*) (int)) | |
570 | target_ignore); | |
0d06e24b JM |
571 | de_fault (to_insert_fork_catchpoint, |
572 | (int (*) (int)) | |
573 | tcomplain); | |
574 | de_fault (to_remove_fork_catchpoint, | |
575 | (int (*) (int)) | |
576 | tcomplain); | |
577 | de_fault (to_insert_vfork_catchpoint, | |
578 | (int (*) (int)) | |
579 | tcomplain); | |
580 | de_fault (to_remove_vfork_catchpoint, | |
581 | (int (*) (int)) | |
582 | tcomplain); | |
4c9ba7e0 | 583 | de_fault (to_follow_fork, |
6604731b | 584 | (int (*) (int)) |
0d06e24b JM |
585 | target_ignore); |
586 | de_fault (to_insert_exec_catchpoint, | |
587 | (int (*) (int)) | |
588 | tcomplain); | |
589 | de_fault (to_remove_exec_catchpoint, | |
590 | (int (*) (int)) | |
591 | tcomplain); | |
0d06e24b JM |
592 | de_fault (to_reported_exec_events_per_exec_call, |
593 | (int (*) (void)) | |
594 | return_one); | |
0d06e24b JM |
595 | de_fault (to_has_exited, |
596 | (int (*) (int, int, int *)) | |
597 | return_zero); | |
598 | de_fault (to_mourn_inferior, | |
599 | (void (*) (void)) | |
600 | noprocess); | |
601 | de_fault (to_can_run, | |
602 | return_zero); | |
603 | de_fault (to_notice_signals, | |
39f77062 | 604 | (void (*) (ptid_t)) |
0d06e24b JM |
605 | target_ignore); |
606 | de_fault (to_thread_alive, | |
39f77062 | 607 | (int (*) (ptid_t)) |
0d06e24b JM |
608 | return_zero); |
609 | de_fault (to_find_new_threads, | |
610 | (void (*) (void)) | |
611 | target_ignore); | |
612 | de_fault (to_extra_thread_info, | |
613 | (char *(*) (struct thread_info *)) | |
614 | return_zero); | |
615 | de_fault (to_stop, | |
616 | (void (*) (void)) | |
617 | target_ignore); | |
0088c768 AC |
618 | current_target.to_read_partial = default_read_partial; |
619 | current_target.to_write_partial = default_write_partial; | |
0d06e24b | 620 | de_fault (to_rcmd, |
d9fcf2fb | 621 | (void (*) (char *, struct ui_file *)) |
0d06e24b JM |
622 | tcomplain); |
623 | de_fault (to_enable_exception_callback, | |
624 | (struct symtab_and_line * (*) (enum exception_event_kind, int)) | |
625 | nosupport_runtime); | |
626 | de_fault (to_get_current_exception_event, | |
627 | (struct exception_event_record * (*) (void)) | |
628 | nosupport_runtime); | |
629 | de_fault (to_pid_to_exec_file, | |
630 | (char *(*) (int)) | |
631 | return_zero); | |
0d06e24b JM |
632 | de_fault (to_can_async_p, |
633 | (int (*) (void)) | |
634 | return_zero); | |
635 | de_fault (to_is_async_p, | |
636 | (int (*) (void)) | |
637 | return_zero); | |
638 | de_fault (to_async, | |
639 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
640 | tcomplain); | |
c906108c | 641 | #undef de_fault |
c906108c | 642 | |
7998dfc3 AC |
643 | /* Finally, position the target-stack beneath the squashed |
644 | "current_target". That way code looking for a non-inherited | |
645 | target method can quickly and simply find it. */ | |
646 | current_target.beneath = target_stack; | |
c906108c SS |
647 | } |
648 | ||
649 | /* Push a new target type into the stack of the existing target accessors, | |
650 | possibly superseding some of the existing accessors. | |
651 | ||
652 | Result is zero if the pushed target ended up on top of the stack, | |
653 | nonzero if at least one target is on top of it. | |
654 | ||
655 | Rather than allow an empty stack, we always have the dummy target at | |
656 | the bottom stratum, so we can call the function vectors without | |
657 | checking them. */ | |
658 | ||
659 | int | |
fba45db2 | 660 | push_target (struct target_ops *t) |
c906108c | 661 | { |
258b763a | 662 | struct target_ops **cur; |
c906108c SS |
663 | |
664 | /* Check magic number. If wrong, it probably means someone changed | |
665 | the struct definition, but not all the places that initialize one. */ | |
666 | if (t->to_magic != OPS_MAGIC) | |
667 | { | |
c5aa993b JM |
668 | fprintf_unfiltered (gdb_stderr, |
669 | "Magic number of %s target struct wrong\n", | |
670 | t->to_shortname); | |
e1e9e218 | 671 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
672 | } |
673 | ||
258b763a AC |
674 | /* Find the proper stratum to install this target in. */ |
675 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) | |
c906108c | 676 | { |
258b763a | 677 | if ((int) (t->to_stratum) >= (int) (*cur)->to_stratum) |
c906108c SS |
678 | break; |
679 | } | |
680 | ||
258b763a AC |
681 | /* If there's already targets at this stratum, remove them. */ |
682 | /* FIXME: cagney/2003-10-15: I think this should be poping all | |
683 | targets to CUR, and not just those at this stratum level. */ | |
684 | while ((*cur) != NULL && t->to_stratum == (*cur)->to_stratum) | |
685 | { | |
686 | /* There's already something at this stratum level. Close it, | |
687 | and un-hook it from the stack. */ | |
688 | struct target_ops *tmp = (*cur); | |
689 | (*cur) = (*cur)->beneath; | |
690 | tmp->beneath = NULL; | |
f1c07ab0 | 691 | target_close (tmp, 0); |
258b763a | 692 | } |
c906108c SS |
693 | |
694 | /* We have removed all targets in our stratum, now add the new one. */ | |
258b763a AC |
695 | t->beneath = (*cur); |
696 | (*cur) = t; | |
c906108c SS |
697 | |
698 | update_current_target (); | |
699 | ||
c906108c SS |
700 | if (targetdebug) |
701 | setup_target_debug (); | |
c906108c | 702 | |
258b763a AC |
703 | /* Not on top? */ |
704 | return (t != target_stack); | |
c906108c SS |
705 | } |
706 | ||
707 | /* Remove a target_ops vector from the stack, wherever it may be. | |
708 | Return how many times it was removed (0 or 1). */ | |
709 | ||
710 | int | |
fba45db2 | 711 | unpush_target (struct target_ops *t) |
c906108c | 712 | { |
258b763a AC |
713 | struct target_ops **cur; |
714 | struct target_ops *tmp; | |
c906108c | 715 | |
f1c07ab0 | 716 | target_close (t, 0); |
c906108c SS |
717 | |
718 | /* Look for the specified target. Note that we assume that a target | |
719 | can only occur once in the target stack. */ | |
720 | ||
258b763a AC |
721 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) |
722 | { | |
723 | if ((*cur) == t) | |
724 | break; | |
725 | } | |
c906108c | 726 | |
258b763a | 727 | if ((*cur) == NULL) |
c906108c SS |
728 | return 0; /* Didn't find target_ops, quit now */ |
729 | ||
730 | /* Unchain the target */ | |
258b763a AC |
731 | tmp = (*cur); |
732 | (*cur) = (*cur)->beneath; | |
733 | tmp->beneath = NULL; | |
c906108c SS |
734 | |
735 | update_current_target (); | |
c906108c SS |
736 | |
737 | return 1; | |
738 | } | |
739 | ||
740 | void | |
fba45db2 | 741 | pop_target (void) |
c906108c | 742 | { |
f1c07ab0 | 743 | target_close (¤t_target, 0); /* Let it clean up */ |
258b763a | 744 | if (unpush_target (target_stack) == 1) |
c906108c SS |
745 | return; |
746 | ||
c5aa993b JM |
747 | fprintf_unfiltered (gdb_stderr, |
748 | "pop_target couldn't find target %s\n", | |
749 | current_target.to_shortname); | |
e1e9e218 | 750 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
751 | } |
752 | ||
753 | #undef MIN | |
754 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
755 | ||
756 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
757 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
758 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
759 | is responsible for freeing it. Return the number of bytes successfully | |
760 | read. */ | |
761 | ||
762 | int | |
fba45db2 | 763 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
764 | { |
765 | int tlen, origlen, offset, i; | |
766 | char buf[4]; | |
767 | int errcode = 0; | |
768 | char *buffer; | |
769 | int buffer_allocated; | |
770 | char *bufptr; | |
771 | unsigned int nbytes_read = 0; | |
772 | ||
773 | /* Small for testing. */ | |
774 | buffer_allocated = 4; | |
775 | buffer = xmalloc (buffer_allocated); | |
776 | bufptr = buffer; | |
777 | ||
778 | origlen = len; | |
779 | ||
780 | while (len > 0) | |
781 | { | |
782 | tlen = MIN (len, 4 - (memaddr & 3)); | |
783 | offset = memaddr & 3; | |
784 | ||
d4b2399a | 785 | errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0); |
c906108c SS |
786 | if (errcode != 0) |
787 | { | |
788 | /* The transfer request might have crossed the boundary to an | |
789 | unallocated region of memory. Retry the transfer, requesting | |
790 | a single byte. */ | |
791 | tlen = 1; | |
792 | offset = 0; | |
d4b2399a | 793 | errcode = target_xfer_memory (memaddr, buf, 1, 0); |
c906108c SS |
794 | if (errcode != 0) |
795 | goto done; | |
796 | } | |
797 | ||
798 | if (bufptr - buffer + tlen > buffer_allocated) | |
799 | { | |
800 | unsigned int bytes; | |
801 | bytes = bufptr - buffer; | |
802 | buffer_allocated *= 2; | |
803 | buffer = xrealloc (buffer, buffer_allocated); | |
804 | bufptr = buffer + bytes; | |
805 | } | |
806 | ||
807 | for (i = 0; i < tlen; i++) | |
808 | { | |
809 | *bufptr++ = buf[i + offset]; | |
810 | if (buf[i + offset] == '\000') | |
811 | { | |
812 | nbytes_read += i + 1; | |
813 | goto done; | |
814 | } | |
815 | } | |
816 | ||
817 | memaddr += tlen; | |
818 | len -= tlen; | |
819 | nbytes_read += tlen; | |
820 | } | |
c5aa993b | 821 | done: |
c906108c SS |
822 | if (errnop != NULL) |
823 | *errnop = errcode; | |
824 | if (string != NULL) | |
825 | *string = buffer; | |
826 | return nbytes_read; | |
827 | } | |
828 | ||
8db32d44 AC |
829 | /* Find a section containing ADDR. */ |
830 | struct section_table * | |
831 | target_section_by_addr (struct target_ops *target, CORE_ADDR addr) | |
832 | { | |
833 | struct section_table *secp; | |
834 | for (secp = target->to_sections; | |
835 | secp < target->to_sections_end; | |
836 | secp++) | |
837 | { | |
838 | if (addr >= secp->addr && addr < secp->endaddr) | |
839 | return secp; | |
840 | } | |
841 | return NULL; | |
842 | } | |
843 | ||
c906108c SS |
844 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in |
845 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
846 | if any error occurs. | |
847 | ||
848 | If an error occurs, no guarantee is made about the contents of the data at | |
849 | MYADDR. In particular, the caller should not depend upon partial reads | |
850 | filling the buffer with good data. There is no way for the caller to know | |
851 | how much good data might have been transfered anyway. Callers that can | |
852 | deal with partial reads should call target_read_memory_partial. */ | |
853 | ||
854 | int | |
fba45db2 | 855 | target_read_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 856 | { |
d4b2399a | 857 | return target_xfer_memory (memaddr, myaddr, len, 0); |
c906108c SS |
858 | } |
859 | ||
c906108c | 860 | int |
fba45db2 | 861 | target_write_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 862 | { |
d4b2399a | 863 | return target_xfer_memory (memaddr, myaddr, len, 1); |
c906108c | 864 | } |
c5aa993b | 865 | |
3a11626d MS |
866 | static int trust_readonly = 0; |
867 | ||
67e0617e C |
868 | /* Move memory to or from the targets. The top target gets priority; |
869 | if it cannot handle it, it is offered to the next one down, etc. | |
c906108c | 870 | |
67e0617e | 871 | Result is -1 on error, or the number of bytes transfered. */ |
c906108c | 872 | |
4930751a | 873 | int |
29e57380 C |
874 | do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
875 | struct mem_attrib *attrib) | |
c906108c | 876 | { |
c906108c | 877 | int res; |
4930751a | 878 | int done = 0; |
c906108c | 879 | struct target_ops *t; |
c906108c SS |
880 | |
881 | /* Zero length requests are ok and require no work. */ | |
882 | if (len == 0) | |
883 | return 0; | |
884 | ||
c906108c SS |
885 | /* to_xfer_memory is not guaranteed to set errno, even when it returns |
886 | 0. */ | |
887 | errno = 0; | |
888 | ||
3a11626d MS |
889 | if (!write && trust_readonly) |
890 | { | |
8db32d44 | 891 | struct section_table *secp; |
2ceb85d0 BE |
892 | /* User-settable option, "trust-readonly-sections". If true, |
893 | then memory from any SEC_READONLY bfd section may be read | |
8db32d44 AC |
894 | directly from the bfd file. */ |
895 | secp = target_section_by_addr (¤t_target, memaddr); | |
896 | if (secp != NULL | |
897 | && (bfd_get_section_flags (secp->bfd, secp->the_bfd_section) | |
898 | & SEC_READONLY)) | |
899 | return xfer_memory (memaddr, myaddr, len, 0, attrib, ¤t_target); | |
3a11626d MS |
900 | } |
901 | ||
67e0617e | 902 | /* The quick case is that the top target can handle the transfer. */ |
c906108c | 903 | res = current_target.to_xfer_memory |
29e57380 | 904 | (memaddr, myaddr, len, write, attrib, ¤t_target); |
c906108c | 905 | |
67e0617e C |
906 | /* If res <= 0 then we call it again in the loop. Ah well. */ |
907 | if (res <= 0) | |
c906108c | 908 | { |
258b763a | 909 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 910 | { |
c906108c SS |
911 | if (!t->to_has_memory) |
912 | continue; | |
913 | ||
29e57380 | 914 | res = t->to_xfer_memory (memaddr, myaddr, len, write, attrib, t); |
c906108c SS |
915 | if (res > 0) |
916 | break; /* Handled all or part of xfer */ | |
917 | if (t->to_has_all_memory) | |
918 | break; | |
919 | } | |
920 | ||
4930751a | 921 | if (res <= 0) |
67e0617e | 922 | return -1; |
4930751a | 923 | } |
67e0617e C |
924 | |
925 | return res; | |
4930751a C |
926 | } |
927 | ||
67e0617e C |
928 | |
929 | /* Perform a memory transfer. Iterate until the entire region has | |
930 | been transfered. | |
931 | ||
932 | Result is 0 or errno value. */ | |
933 | ||
4930751a C |
934 | static int |
935 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write) | |
936 | { | |
937 | int res; | |
29e57380 C |
938 | int reg_len; |
939 | struct mem_region *region; | |
4930751a C |
940 | |
941 | /* Zero length requests are ok and require no work. */ | |
942 | if (len == 0) | |
943 | { | |
944 | return 0; | |
945 | } | |
946 | ||
947 | while (len > 0) | |
948 | { | |
29e57380 C |
949 | region = lookup_mem_region(memaddr); |
950 | if (memaddr + len < region->hi) | |
951 | reg_len = len; | |
952 | else | |
953 | reg_len = region->hi - memaddr; | |
954 | ||
955 | switch (region->attrib.mode) | |
c906108c | 956 | { |
29e57380 C |
957 | case MEM_RO: |
958 | if (write) | |
959 | return EIO; | |
960 | break; | |
961 | ||
962 | case MEM_WO: | |
c906108c | 963 | if (!write) |
c906108c | 964 | return EIO; |
29e57380 | 965 | break; |
c906108c | 966 | } |
4930751a | 967 | |
29e57380 C |
968 | while (reg_len > 0) |
969 | { | |
970 | if (region->attrib.cache) | |
8add0441 | 971 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, |
29e57380 C |
972 | reg_len, write); |
973 | else | |
8add0441 | 974 | res = do_xfer_memory (memaddr, myaddr, reg_len, write, |
29e57380 C |
975 | ®ion->attrib); |
976 | ||
977 | if (res <= 0) | |
978 | { | |
979 | /* If this address is for nonexistent memory, read zeros | |
980 | if reading, or do nothing if writing. Return | |
981 | error. */ | |
982 | if (!write) | |
983 | memset (myaddr, 0, len); | |
984 | if (errno == 0) | |
985 | return EIO; | |
986 | else | |
987 | return errno; | |
988 | } | |
989 | ||
990 | memaddr += res; | |
991 | myaddr += res; | |
992 | len -= res; | |
993 | reg_len -= res; | |
994 | } | |
c906108c | 995 | } |
4930751a | 996 | |
c906108c SS |
997 | return 0; /* We managed to cover it all somehow. */ |
998 | } | |
999 | ||
1000 | ||
67e0617e C |
1001 | /* Perform a partial memory transfer. |
1002 | ||
1003 | Result is -1 on error, or the number of bytes transfered. */ | |
917317f4 JM |
1004 | |
1005 | static int | |
4930751a | 1006 | target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len, |
917317f4 JM |
1007 | int write_p, int *err) |
1008 | { | |
1009 | int res; | |
29e57380 C |
1010 | int reg_len; |
1011 | struct mem_region *region; | |
917317f4 JM |
1012 | |
1013 | /* Zero length requests are ok and require no work. */ | |
1014 | if (len == 0) | |
1015 | { | |
1016 | *err = 0; | |
1017 | return 0; | |
1018 | } | |
1019 | ||
29e57380 C |
1020 | region = lookup_mem_region(memaddr); |
1021 | if (memaddr + len < region->hi) | |
1022 | reg_len = len; | |
1023 | else | |
1024 | reg_len = region->hi - memaddr; | |
1025 | ||
1026 | switch (region->attrib.mode) | |
1027 | { | |
1028 | case MEM_RO: | |
1029 | if (write_p) | |
1030 | { | |
1031 | *err = EIO; | |
873406a6 | 1032 | return -1; |
29e57380 C |
1033 | } |
1034 | break; | |
1035 | ||
1036 | case MEM_WO: | |
1037 | if (write_p) | |
1038 | { | |
1039 | *err = EIO; | |
873406a6 | 1040 | return -1; |
29e57380 C |
1041 | } |
1042 | break; | |
1043 | } | |
1044 | ||
1045 | if (region->attrib.cache) | |
1046 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, | |
1047 | reg_len, write_p); | |
1048 | else | |
1049 | res = do_xfer_memory (memaddr, myaddr, reg_len, write_p, | |
1050 | ®ion->attrib); | |
1051 | ||
4930751a | 1052 | if (res <= 0) |
917317f4 | 1053 | { |
4930751a C |
1054 | if (errno != 0) |
1055 | *err = errno; | |
1056 | else | |
1057 | *err = EIO; | |
917317f4 | 1058 | |
4930751a | 1059 | return -1; |
917317f4 JM |
1060 | } |
1061 | ||
4930751a | 1062 | *err = 0; |
67e0617e | 1063 | return res; |
917317f4 JM |
1064 | } |
1065 | ||
1066 | int | |
1067 | target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1068 | { | |
1069 | return target_xfer_memory_partial (memaddr, buf, len, 0, err); | |
1070 | } | |
1071 | ||
1072 | int | |
1073 | target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1074 | { | |
1075 | return target_xfer_memory_partial (memaddr, buf, len, 1, err); | |
1076 | } | |
1077 | ||
1e3ff5ad AC |
1078 | /* More generic transfers. */ |
1079 | ||
0088c768 AC |
1080 | static LONGEST |
1081 | default_read_partial (struct target_ops *ops, | |
1082 | enum target_object object, | |
1083 | const char *annex, void *buf, | |
1084 | ULONGEST offset, LONGEST len) | |
1085 | { | |
1086 | if (object == TARGET_OBJECT_MEMORY | |
1087 | && ops->to_xfer_memory != NULL) | |
1088 | /* If available, fall back to the target's "to_xfer_memory" | |
1089 | method. */ | |
1090 | { | |
1091 | int xfered; | |
1092 | errno = 0; | |
1093 | xfered = ops->to_xfer_memory (offset, buf, len, 0/*read*/, NULL, ops); | |
1094 | if (xfered > 0) | |
1095 | return xfered; | |
1096 | else if (xfered == 0 && errno == 0) | |
1097 | /* "to_xfer_memory" uses 0, cross checked against ERRNO as one | |
1098 | indication of an error. */ | |
1099 | return 0; | |
1100 | else | |
1101 | return -1; | |
1102 | } | |
1103 | else if (ops->beneath != NULL) | |
1104 | return target_read_partial (ops->beneath, object, annex, buf, offset, len); | |
1105 | else | |
1106 | return -1; | |
1107 | } | |
1108 | ||
1109 | static LONGEST | |
1110 | default_write_partial (struct target_ops *ops, | |
1111 | enum target_object object, | |
1112 | const char *annex, const void *buf, | |
1113 | ULONGEST offset, LONGEST len) | |
1114 | { | |
1115 | if (object == TARGET_OBJECT_MEMORY | |
1116 | && ops->to_xfer_memory != NULL) | |
1117 | /* If available, fall back to the target's "to_xfer_memory" | |
1118 | method. */ | |
1119 | { | |
1120 | int xfered; | |
1121 | errno = 0; | |
1122 | { | |
1123 | void *buffer = xmalloc (len); | |
1124 | struct cleanup *cleanup = make_cleanup (xfree, buffer); | |
1125 | memcpy (buffer, buf, len); | |
1126 | xfered = ops->to_xfer_memory (offset, buffer, len, 1/*write*/, NULL, | |
1127 | ops); | |
1128 | do_cleanups (cleanup); | |
1129 | } | |
1130 | if (xfered > 0) | |
1131 | return xfered; | |
1132 | else if (xfered == 0 && errno == 0) | |
1133 | /* "to_xfer_memory" uses 0, cross checked against ERRNO as one | |
1134 | indication of an error. */ | |
1135 | return 0; | |
1136 | else | |
1137 | return -1; | |
1138 | } | |
1139 | else if (ops->beneath != NULL) | |
1140 | return target_write_partial (ops->beneath, object, annex, buf, offset, | |
1141 | len); | |
1142 | else | |
1143 | return -1; | |
1144 | } | |
1145 | ||
1146 | /* Target vector read/write partial wrapper functions. | |
1147 | ||
1148 | NOTE: cagney/2003-10-21: I wonder if having "to_xfer_partial | |
1149 | (inbuf, outbuf)", instead of separate read/write methods, make life | |
1150 | easier. */ | |
1151 | ||
1e3ff5ad AC |
1152 | LONGEST |
1153 | target_read_partial (struct target_ops *ops, | |
1154 | enum target_object object, | |
1155 | const char *annex, void *buf, | |
1156 | ULONGEST offset, LONGEST len) | |
1157 | { | |
0088c768 AC |
1158 | gdb_assert (ops->to_read_partial != NULL); |
1159 | return ops->to_read_partial (ops, object, annex, buf, offset, len); | |
1e3ff5ad AC |
1160 | } |
1161 | ||
1162 | LONGEST | |
1163 | target_write_partial (struct target_ops *ops, | |
1164 | enum target_object object, | |
1165 | const char *annex, const void *buf, | |
1166 | ULONGEST offset, LONGEST len) | |
1167 | { | |
0088c768 AC |
1168 | gdb_assert (ops->to_write_partial != NULL); |
1169 | return ops->to_write_partial (ops, object, annex, buf, offset, len); | |
1e3ff5ad AC |
1170 | } |
1171 | ||
1172 | /* Wrappers to perform the full transfer. */ | |
1173 | LONGEST | |
1174 | target_read (struct target_ops *ops, | |
1175 | enum target_object object, | |
1176 | const char *annex, void *buf, | |
1177 | ULONGEST offset, LONGEST len) | |
1178 | { | |
1179 | LONGEST xfered = 0; | |
1180 | while (xfered < len) | |
1181 | { | |
0088c768 AC |
1182 | LONGEST xfer = target_read_partial (ops, object, annex, |
1183 | (bfd_byte *) buf + xfered, | |
1184 | offset + xfered, len - xfered); | |
1e3ff5ad | 1185 | /* Call an observer, notifying them of the xfer progress? */ |
0088c768 AC |
1186 | if (xfer <= 0) |
1187 | /* Call memory_error? */ | |
1188 | return -1; | |
1e3ff5ad AC |
1189 | xfered += xfer; |
1190 | QUIT; | |
1191 | } | |
1192 | return len; | |
1193 | } | |
1194 | ||
1195 | LONGEST | |
1196 | target_write (struct target_ops *ops, | |
1197 | enum target_object object, | |
1198 | const char *annex, const void *buf, | |
1199 | ULONGEST offset, LONGEST len) | |
1200 | { | |
1201 | LONGEST xfered = 0; | |
1202 | while (xfered < len) | |
1203 | { | |
1204 | LONGEST xfer = target_write_partial (ops, object, annex, | |
1205 | (bfd_byte *) buf + xfered, | |
1206 | offset + xfered, len - xfered); | |
1207 | /* Call an observer, notifying them of the xfer progress? */ | |
0088c768 AC |
1208 | if (xfer <= 0) |
1209 | /* Call memory_error? */ | |
1210 | return -1; | |
1e3ff5ad AC |
1211 | xfered += xfer; |
1212 | QUIT; | |
1213 | } | |
1214 | return len; | |
1215 | } | |
1216 | ||
c906108c | 1217 | static void |
fba45db2 | 1218 | target_info (char *args, int from_tty) |
c906108c SS |
1219 | { |
1220 | struct target_ops *t; | |
c906108c | 1221 | int has_all_mem = 0; |
c5aa993b | 1222 | |
c906108c SS |
1223 | if (symfile_objfile != NULL) |
1224 | printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name); | |
1225 | ||
1226 | #ifdef FILES_INFO_HOOK | |
1227 | if (FILES_INFO_HOOK ()) | |
1228 | return; | |
1229 | #endif | |
1230 | ||
258b763a | 1231 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 1232 | { |
c906108c SS |
1233 | if (!t->to_has_memory) |
1234 | continue; | |
1235 | ||
c5aa993b | 1236 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1237 | continue; |
1238 | if (has_all_mem) | |
c5aa993b JM |
1239 | printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n"); |
1240 | printf_unfiltered ("%s:\n", t->to_longname); | |
1241 | (t->to_files_info) (t); | |
c906108c SS |
1242 | has_all_mem = t->to_has_all_memory; |
1243 | } | |
1244 | } | |
1245 | ||
1246 | /* This is to be called by the open routine before it does | |
1247 | anything. */ | |
1248 | ||
1249 | void | |
fba45db2 | 1250 | target_preopen (int from_tty) |
c906108c | 1251 | { |
c5aa993b | 1252 | dont_repeat (); |
c906108c SS |
1253 | |
1254 | if (target_has_execution) | |
c5aa993b | 1255 | { |
adf40b2e JM |
1256 | if (!from_tty |
1257 | || query ("A program is being debugged already. Kill it? ")) | |
c5aa993b | 1258 | target_kill (); |
c906108c | 1259 | else |
c5aa993b | 1260 | error ("Program not killed."); |
c906108c SS |
1261 | } |
1262 | ||
1263 | /* Calling target_kill may remove the target from the stack. But if | |
1264 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1265 | ||
1266 | if (target_has_execution) | |
1267 | pop_target (); | |
1268 | } | |
1269 | ||
1270 | /* Detach a target after doing deferred register stores. */ | |
1271 | ||
1272 | void | |
fba45db2 | 1273 | target_detach (char *args, int from_tty) |
c906108c SS |
1274 | { |
1275 | /* Handle any optimized stores to the inferior. */ | |
1276 | #ifdef DO_DEFERRED_STORES | |
1277 | DO_DEFERRED_STORES; | |
1278 | #endif | |
1279 | (current_target.to_detach) (args, from_tty); | |
1280 | } | |
1281 | ||
6ad8ae5c DJ |
1282 | void |
1283 | target_disconnect (char *args, int from_tty) | |
1284 | { | |
1285 | /* Handle any optimized stores to the inferior. */ | |
1286 | #ifdef DO_DEFERRED_STORES | |
1287 | DO_DEFERRED_STORES; | |
1288 | #endif | |
1289 | (current_target.to_disconnect) (args, from_tty); | |
1290 | } | |
1291 | ||
c906108c | 1292 | void |
fba45db2 | 1293 | target_link (char *modname, CORE_ADDR *t_reloc) |
c906108c | 1294 | { |
c5aa993b | 1295 | if (STREQ (current_target.to_shortname, "rombug")) |
c906108c SS |
1296 | { |
1297 | (current_target.to_lookup_symbol) (modname, t_reloc); | |
1298 | if (*t_reloc == 0) | |
c5aa993b | 1299 | error ("Unable to link to %s and get relocation in rombug", modname); |
c906108c SS |
1300 | } |
1301 | else | |
2acceee2 | 1302 | *t_reloc = (CORE_ADDR) -1; |
c906108c SS |
1303 | } |
1304 | ||
ed9a39eb JM |
1305 | int |
1306 | target_async_mask (int mask) | |
1307 | { | |
1308 | int saved_async_masked_status = target_async_mask_value; | |
1309 | target_async_mask_value = mask; | |
1310 | return saved_async_masked_status; | |
1311 | } | |
1312 | ||
c906108c SS |
1313 | /* Look through the list of possible targets for a target that can |
1314 | execute a run or attach command without any other data. This is | |
1315 | used to locate the default process stratum. | |
1316 | ||
1317 | Result is always valid (error() is called for errors). */ | |
1318 | ||
1319 | static struct target_ops * | |
fba45db2 | 1320 | find_default_run_target (char *do_mesg) |
c906108c SS |
1321 | { |
1322 | struct target_ops **t; | |
1323 | struct target_ops *runable = NULL; | |
1324 | int count; | |
1325 | ||
1326 | count = 0; | |
1327 | ||
1328 | for (t = target_structs; t < target_structs + target_struct_size; | |
1329 | ++t) | |
1330 | { | |
c5aa993b | 1331 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1332 | { |
1333 | runable = *t; | |
1334 | ++count; | |
1335 | } | |
1336 | } | |
1337 | ||
1338 | if (count != 1) | |
1339 | error ("Don't know how to %s. Try \"help target\".", do_mesg); | |
1340 | ||
1341 | return runable; | |
1342 | } | |
1343 | ||
1344 | void | |
fba45db2 | 1345 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1346 | { |
1347 | struct target_ops *t; | |
1348 | ||
c5aa993b | 1349 | t = find_default_run_target ("attach"); |
c906108c SS |
1350 | (t->to_attach) (args, from_tty); |
1351 | return; | |
1352 | } | |
1353 | ||
c906108c | 1354 | void |
fba45db2 | 1355 | find_default_create_inferior (char *exec_file, char *allargs, char **env) |
c906108c SS |
1356 | { |
1357 | struct target_ops *t; | |
1358 | ||
c5aa993b | 1359 | t = find_default_run_target ("run"); |
c906108c SS |
1360 | (t->to_create_inferior) (exec_file, allargs, env); |
1361 | return; | |
1362 | } | |
1363 | ||
ccaa32c7 GS |
1364 | static int |
1365 | default_region_size_ok_for_hw_watchpoint (int byte_count) | |
1366 | { | |
b1e29e33 | 1367 | return (byte_count <= DEPRECATED_REGISTER_SIZE); |
ccaa32c7 GS |
1368 | } |
1369 | ||
c906108c | 1370 | static int |
fba45db2 | 1371 | return_zero (void) |
c906108c SS |
1372 | { |
1373 | return 0; | |
1374 | } | |
1375 | ||
1376 | static int | |
fba45db2 | 1377 | return_one (void) |
c906108c SS |
1378 | { |
1379 | return 1; | |
1380 | } | |
1381 | ||
ccaa32c7 GS |
1382 | static int |
1383 | return_minus_one (void) | |
1384 | { | |
1385 | return -1; | |
1386 | } | |
1387 | ||
6426a772 JM |
1388 | /* |
1389 | * Resize the to_sections pointer. Also make sure that anyone that | |
1390 | * was holding on to an old value of it gets updated. | |
1391 | * Returns the old size. | |
1392 | */ | |
1393 | ||
1394 | int | |
1395 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1396 | { | |
1397 | struct target_ops **t; | |
1398 | struct section_table *old_value; | |
1399 | int old_count; | |
1400 | ||
1401 | old_value = target->to_sections; | |
1402 | ||
1403 | if (target->to_sections) | |
1404 | { | |
1405 | old_count = target->to_sections_end - target->to_sections; | |
1406 | target->to_sections = (struct section_table *) | |
1407 | xrealloc ((char *) target->to_sections, | |
1408 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1409 | } | |
1410 | else | |
1411 | { | |
1412 | old_count = 0; | |
1413 | target->to_sections = (struct section_table *) | |
1414 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1415 | } | |
1416 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1417 | ||
1418 | /* Check to see if anyone else was pointing to this structure. | |
1419 | If old_value was null, then no one was. */ | |
1420 | ||
1421 | if (old_value) | |
1422 | { | |
1423 | for (t = target_structs; t < target_structs + target_struct_size; | |
1424 | ++t) | |
1425 | { | |
1426 | if ((*t)->to_sections == old_value) | |
1427 | { | |
1428 | (*t)->to_sections = target->to_sections; | |
1429 | (*t)->to_sections_end = target->to_sections_end; | |
1430 | } | |
1431 | } | |
1432 | } | |
1433 | ||
1434 | return old_count; | |
1435 | ||
1436 | } | |
1437 | ||
07cd4b97 JB |
1438 | /* Remove all target sections taken from ABFD. |
1439 | ||
1440 | Scan the current target stack for targets whose section tables | |
1441 | refer to sections from BFD, and remove those sections. We use this | |
1442 | when we notice that the inferior has unloaded a shared object, for | |
1443 | example. */ | |
1444 | void | |
1445 | remove_target_sections (bfd *abfd) | |
1446 | { | |
1447 | struct target_ops **t; | |
1448 | ||
1449 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1450 | { | |
1451 | struct section_table *src, *dest; | |
1452 | ||
1453 | dest = (*t)->to_sections; | |
1454 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1455 | if (src->bfd != abfd) | |
1456 | { | |
1457 | /* Keep this section. */ | |
1458 | if (dest < src) *dest = *src; | |
1459 | dest++; | |
1460 | } | |
1461 | ||
1462 | /* If we've dropped any sections, resize the section table. */ | |
1463 | if (dest < src) | |
1464 | target_resize_to_sections (*t, dest - src); | |
1465 | } | |
1466 | } | |
1467 | ||
1468 | ||
1469 | ||
1470 | ||
7a292a7a SS |
1471 | /* Find a single runnable target in the stack and return it. If for |
1472 | some reason there is more than one, return NULL. */ | |
1473 | ||
1474 | struct target_ops * | |
fba45db2 | 1475 | find_run_target (void) |
7a292a7a SS |
1476 | { |
1477 | struct target_ops **t; | |
1478 | struct target_ops *runable = NULL; | |
1479 | int count; | |
c5aa993b | 1480 | |
7a292a7a | 1481 | count = 0; |
c5aa993b | 1482 | |
7a292a7a SS |
1483 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1484 | { | |
c5aa993b | 1485 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1486 | { |
1487 | runable = *t; | |
1488 | ++count; | |
1489 | } | |
1490 | } | |
c5aa993b | 1491 | |
7a292a7a SS |
1492 | return (count == 1 ? runable : NULL); |
1493 | } | |
1494 | ||
ed9a39eb JM |
1495 | /* Find a single core_stratum target in the list of targets and return it. |
1496 | If for some reason there is more than one, return NULL. */ | |
1497 | ||
c906108c | 1498 | struct target_ops * |
fba45db2 | 1499 | find_core_target (void) |
c906108c SS |
1500 | { |
1501 | struct target_ops **t; | |
1502 | struct target_ops *runable = NULL; | |
1503 | int count; | |
c5aa993b | 1504 | |
c906108c | 1505 | count = 0; |
c5aa993b | 1506 | |
c906108c SS |
1507 | for (t = target_structs; t < target_structs + target_struct_size; |
1508 | ++t) | |
1509 | { | |
1510 | if ((*t)->to_stratum == core_stratum) | |
1511 | { | |
1512 | runable = *t; | |
1513 | ++count; | |
1514 | } | |
1515 | } | |
c5aa993b JM |
1516 | |
1517 | return (count == 1 ? runable : NULL); | |
c906108c | 1518 | } |
ed9a39eb JM |
1519 | |
1520 | /* | |
1521 | * Find the next target down the stack from the specified target. | |
1522 | */ | |
1523 | ||
1524 | struct target_ops * | |
fba45db2 | 1525 | find_target_beneath (struct target_ops *t) |
ed9a39eb | 1526 | { |
258b763a | 1527 | return t->beneath; |
ed9a39eb JM |
1528 | } |
1529 | ||
c906108c SS |
1530 | \f |
1531 | /* The inferior process has died. Long live the inferior! */ | |
1532 | ||
1533 | void | |
fba45db2 | 1534 | generic_mourn_inferior (void) |
c906108c SS |
1535 | { |
1536 | extern int show_breakpoint_hit_counts; | |
1537 | ||
39f77062 | 1538 | inferior_ptid = null_ptid; |
c906108c SS |
1539 | attach_flag = 0; |
1540 | breakpoint_init_inferior (inf_exited); | |
1541 | registers_changed (); | |
1542 | ||
1543 | #ifdef CLEAR_DEFERRED_STORES | |
1544 | /* Delete any pending stores to the inferior... */ | |
1545 | CLEAR_DEFERRED_STORES; | |
1546 | #endif | |
1547 | ||
1548 | reopen_exec_file (); | |
1549 | reinit_frame_cache (); | |
1550 | ||
1551 | /* It is confusing to the user for ignore counts to stick around | |
1552 | from previous runs of the inferior. So clear them. */ | |
1553 | /* However, it is more confusing for the ignore counts to disappear when | |
1554 | using hit counts. So don't clear them if we're counting hits. */ | |
1555 | if (!show_breakpoint_hit_counts) | |
1556 | breakpoint_clear_ignore_counts (); | |
c5b739b5 FN |
1557 | |
1558 | if (detach_hook) | |
1559 | detach_hook (); | |
c906108c SS |
1560 | } |
1561 | \f | |
c906108c SS |
1562 | /* Helper function for child_wait and the Lynx derivatives of child_wait. |
1563 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1564 | translation of that in OURSTATUS. */ | |
1565 | void | |
fba45db2 | 1566 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c SS |
1567 | { |
1568 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1569 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1570 | if it wants to deal with hoststatus. */ | |
1571 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1572 | return; | |
1573 | #endif | |
1574 | ||
1575 | if (WIFEXITED (hoststatus)) | |
1576 | { | |
1577 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1578 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1579 | } | |
1580 | else if (!WIFSTOPPED (hoststatus)) | |
1581 | { | |
1582 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1583 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1584 | } | |
1585 | else | |
1586 | { | |
1587 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1588 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1589 | } | |
1590 | } | |
1591 | \f | |
c906108c | 1592 | /* Returns zero to leave the inferior alone, one to interrupt it. */ |
507f3c78 | 1593 | int (*target_activity_function) (void); |
c906108c SS |
1594 | int target_activity_fd; |
1595 | \f | |
1596 | /* Convert a normal process ID to a string. Returns the string in a static | |
1597 | buffer. */ | |
1598 | ||
1599 | char * | |
39f77062 | 1600 | normal_pid_to_str (ptid_t ptid) |
c906108c SS |
1601 | { |
1602 | static char buf[30]; | |
1603 | ||
39f77062 | 1604 | sprintf (buf, "process %d", PIDGET (ptid)); |
c906108c SS |
1605 | return buf; |
1606 | } | |
1607 | ||
1608 | /* Some targets (such as ttrace-based HPUX) don't allow us to request | |
1609 | notification of inferior events such as fork and vork immediately | |
1610 | after the inferior is created. (This because of how gdb gets an | |
1611 | inferior created via invoking a shell to do it. In such a scenario, | |
1612 | if the shell init file has commands in it, the shell will fork and | |
1613 | exec for each of those commands, and we will see each such fork | |
1614 | event. Very bad.) | |
c5aa993b | 1615 | |
c906108c SS |
1616 | This function is used by all targets that allow us to request |
1617 | notification of forks, etc at inferior creation time; e.g., in | |
1618 | target_acknowledge_forked_child. | |
c5aa993b | 1619 | */ |
392a587b | 1620 | static void |
39f77062 | 1621 | normal_target_post_startup_inferior (ptid_t ptid) |
c906108c SS |
1622 | { |
1623 | /* This space intentionally left blank. */ | |
1624 | } | |
1625 | ||
be4d1333 | 1626 | /* Error-catcher for target_find_memory_regions */ |
be4d1333 MS |
1627 | static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2) |
1628 | { | |
1629 | error ("No target."); | |
1630 | return 0; | |
1631 | } | |
1632 | ||
1633 | /* Error-catcher for target_make_corefile_notes */ | |
be4d1333 MS |
1634 | static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2) |
1635 | { | |
1636 | error ("No target."); | |
1637 | return NULL; | |
1638 | } | |
1639 | ||
c906108c SS |
1640 | /* Set up the handful of non-empty slots needed by the dummy target |
1641 | vector. */ | |
1642 | ||
1643 | static void | |
fba45db2 | 1644 | init_dummy_target (void) |
c906108c SS |
1645 | { |
1646 | dummy_target.to_shortname = "None"; | |
1647 | dummy_target.to_longname = "None"; | |
1648 | dummy_target.to_doc = ""; | |
1649 | dummy_target.to_attach = find_default_attach; | |
c906108c | 1650 | dummy_target.to_create_inferior = find_default_create_inferior; |
ed9a39eb | 1651 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c | 1652 | dummy_target.to_stratum = dummy_stratum; |
be4d1333 MS |
1653 | dummy_target.to_find_memory_regions = dummy_find_memory_regions; |
1654 | dummy_target.to_make_corefile_notes = dummy_make_corefile_notes; | |
c906108c SS |
1655 | dummy_target.to_magic = OPS_MAGIC; |
1656 | } | |
c906108c | 1657 | \f |
c5aa993b | 1658 | |
c906108c SS |
1659 | static struct target_ops debug_target; |
1660 | ||
1661 | static void | |
fba45db2 | 1662 | debug_to_open (char *args, int from_tty) |
c906108c SS |
1663 | { |
1664 | debug_target.to_open (args, from_tty); | |
1665 | ||
96baa820 | 1666 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
1667 | } |
1668 | ||
1669 | static void | |
fba45db2 | 1670 | debug_to_close (int quitting) |
c906108c | 1671 | { |
f1c07ab0 | 1672 | target_close (&debug_target, quitting); |
96baa820 | 1673 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
1674 | } |
1675 | ||
f1c07ab0 AC |
1676 | void |
1677 | target_close (struct target_ops *targ, int quitting) | |
1678 | { | |
1679 | if (targ->to_xclose != NULL) | |
1680 | targ->to_xclose (targ, quitting); | |
1681 | else if (targ->to_close != NULL) | |
1682 | targ->to_close (quitting); | |
1683 | } | |
1684 | ||
c906108c | 1685 | static void |
fba45db2 | 1686 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
1687 | { |
1688 | debug_target.to_attach (args, from_tty); | |
1689 | ||
96baa820 | 1690 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
1691 | } |
1692 | ||
1693 | ||
1694 | static void | |
fba45db2 | 1695 | debug_to_post_attach (int pid) |
c906108c SS |
1696 | { |
1697 | debug_target.to_post_attach (pid); | |
1698 | ||
96baa820 | 1699 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
1700 | } |
1701 | ||
c906108c | 1702 | static void |
fba45db2 | 1703 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
1704 | { |
1705 | debug_target.to_detach (args, from_tty); | |
1706 | ||
96baa820 | 1707 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
1708 | } |
1709 | ||
6ad8ae5c DJ |
1710 | static void |
1711 | debug_to_disconnect (char *args, int from_tty) | |
1712 | { | |
1713 | debug_target.to_disconnect (args, from_tty); | |
1714 | ||
1715 | fprintf_unfiltered (gdb_stdlog, "target_disconnect (%s, %d)\n", | |
1716 | args, from_tty); | |
1717 | } | |
1718 | ||
c906108c | 1719 | static void |
39f77062 | 1720 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 1721 | { |
39f77062 | 1722 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 1723 | |
39f77062 | 1724 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
1725 | step ? "step" : "continue", |
1726 | target_signal_to_name (siggnal)); | |
1727 | } | |
1728 | ||
39f77062 KB |
1729 | static ptid_t |
1730 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 1731 | { |
39f77062 | 1732 | ptid_t retval; |
c906108c | 1733 | |
39f77062 | 1734 | retval = debug_target.to_wait (ptid, status); |
c906108c | 1735 | |
96baa820 | 1736 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
1737 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
1738 | PIDGET (retval)); | |
96baa820 | 1739 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
1740 | switch (status->kind) |
1741 | { | |
1742 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 1743 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
1744 | status->value.integer); |
1745 | break; | |
1746 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 1747 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
1748 | target_signal_to_name (status->value.sig)); |
1749 | break; | |
1750 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 1751 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
1752 | target_signal_to_name (status->value.sig)); |
1753 | break; | |
1754 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 1755 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
1756 | break; |
1757 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 1758 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
1759 | break; |
1760 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 1761 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
1762 | break; |
1763 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 1764 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
1765 | break; |
1766 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 1767 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
1768 | break; |
1769 | default: | |
96baa820 | 1770 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
1771 | break; |
1772 | } | |
1773 | ||
1774 | return retval; | |
1775 | } | |
1776 | ||
1777 | static void | |
39f77062 | 1778 | debug_to_post_wait (ptid_t ptid, int status) |
c906108c | 1779 | { |
39f77062 | 1780 | debug_target.to_post_wait (ptid, status); |
c906108c | 1781 | |
96baa820 | 1782 | fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n", |
39f77062 | 1783 | PIDGET (ptid), status); |
c906108c SS |
1784 | } |
1785 | ||
bf0c5130 AC |
1786 | static void |
1787 | debug_print_register (const char * func, int regno) | |
1788 | { | |
1789 | fprintf_unfiltered (gdb_stdlog, "%s ", func); | |
1790 | if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS | |
1791 | && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0') | |
1792 | fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno)); | |
1793 | else | |
1794 | fprintf_unfiltered (gdb_stdlog, "(%d)", regno); | |
1795 | if (regno >= 0) | |
1796 | { | |
1797 | int i; | |
d9d9c31f | 1798 | unsigned char buf[MAX_REGISTER_SIZE]; |
4caf0990 | 1799 | deprecated_read_register_gen (regno, buf); |
bf0c5130 | 1800 | fprintf_unfiltered (gdb_stdlog, " = "); |
12c266ea | 1801 | for (i = 0; i < DEPRECATED_REGISTER_RAW_SIZE (regno); i++) |
bf0c5130 AC |
1802 | { |
1803 | fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]); | |
1804 | } | |
12c266ea | 1805 | if (DEPRECATED_REGISTER_RAW_SIZE (regno) <= sizeof (LONGEST)) |
bf0c5130 AC |
1806 | { |
1807 | fprintf_unfiltered (gdb_stdlog, " 0x%s %s", | |
1808 | paddr_nz (read_register (regno)), | |
1809 | paddr_d (read_register (regno))); | |
1810 | } | |
1811 | } | |
1812 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
1813 | } | |
1814 | ||
c906108c | 1815 | static void |
fba45db2 | 1816 | debug_to_fetch_registers (int regno) |
c906108c SS |
1817 | { |
1818 | debug_target.to_fetch_registers (regno); | |
bf0c5130 | 1819 | debug_print_register ("target_fetch_registers", regno); |
c906108c SS |
1820 | } |
1821 | ||
1822 | static void | |
fba45db2 | 1823 | debug_to_store_registers (int regno) |
c906108c SS |
1824 | { |
1825 | debug_target.to_store_registers (regno); | |
bf0c5130 AC |
1826 | debug_print_register ("target_store_registers", regno); |
1827 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
c906108c SS |
1828 | } |
1829 | ||
1830 | static void | |
fba45db2 | 1831 | debug_to_prepare_to_store (void) |
c906108c SS |
1832 | { |
1833 | debug_target.to_prepare_to_store (); | |
1834 | ||
96baa820 | 1835 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
1836 | } |
1837 | ||
1838 | static int | |
fba45db2 | 1839 | debug_to_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
29e57380 | 1840 | struct mem_attrib *attrib, |
fba45db2 | 1841 | struct target_ops *target) |
c906108c SS |
1842 | { |
1843 | int retval; | |
1844 | ||
29e57380 C |
1845 | retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, |
1846 | attrib, target); | |
c906108c | 1847 | |
96baa820 | 1848 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 1849 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 1850 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
1851 | len, write ? "write" : "read", retval); |
1852 | ||
c5aa993b | 1853 | |
c906108c SS |
1854 | |
1855 | if (retval > 0) | |
1856 | { | |
1857 | int i; | |
1858 | ||
96baa820 | 1859 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
1860 | for (i = 0; i < retval; i++) |
1861 | { | |
1862 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
96baa820 JM |
1863 | fprintf_unfiltered (gdb_stdlog, "\n"); |
1864 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); | |
c906108c SS |
1865 | } |
1866 | } | |
1867 | ||
96baa820 | 1868 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
1869 | |
1870 | return retval; | |
1871 | } | |
1872 | ||
1873 | static void | |
fba45db2 | 1874 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
1875 | { |
1876 | debug_target.to_files_info (target); | |
1877 | ||
96baa820 | 1878 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
1879 | } |
1880 | ||
1881 | static int | |
fba45db2 | 1882 | debug_to_insert_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1883 | { |
1884 | int retval; | |
1885 | ||
1886 | retval = debug_target.to_insert_breakpoint (addr, save); | |
1887 | ||
96baa820 | 1888 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1889 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
1890 | (unsigned long) addr, | |
1891 | (unsigned long) retval); | |
c906108c SS |
1892 | return retval; |
1893 | } | |
1894 | ||
1895 | static int | |
fba45db2 | 1896 | debug_to_remove_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1897 | { |
1898 | int retval; | |
1899 | ||
1900 | retval = debug_target.to_remove_breakpoint (addr, save); | |
1901 | ||
96baa820 | 1902 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1903 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
1904 | (unsigned long) addr, | |
1905 | (unsigned long) retval); | |
c906108c SS |
1906 | return retval; |
1907 | } | |
1908 | ||
ccaa32c7 GS |
1909 | static int |
1910 | debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty) | |
1911 | { | |
1912 | int retval; | |
1913 | ||
1914 | retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty); | |
1915 | ||
1916 | fprintf_unfiltered (gdb_stdlog, | |
1917 | "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n", | |
1918 | (unsigned long) type, | |
1919 | (unsigned long) cnt, | |
1920 | (unsigned long) from_tty, | |
1921 | (unsigned long) retval); | |
1922 | return retval; | |
1923 | } | |
1924 | ||
1925 | static int | |
1926 | debug_to_region_size_ok_for_hw_watchpoint (int byte_count) | |
1927 | { | |
1928 | CORE_ADDR retval; | |
1929 | ||
1930 | retval = debug_target.to_region_size_ok_for_hw_watchpoint (byte_count); | |
1931 | ||
1932 | fprintf_unfiltered (gdb_stdlog, | |
1933 | "TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (%ld) = 0x%lx\n", | |
1934 | (unsigned long) byte_count, | |
1935 | (unsigned long) retval); | |
1936 | return retval; | |
1937 | } | |
1938 | ||
1939 | static int | |
1940 | debug_to_stopped_by_watchpoint (void) | |
1941 | { | |
1942 | int retval; | |
1943 | ||
1944 | retval = debug_target.to_stopped_by_watchpoint (); | |
1945 | ||
1946 | fprintf_unfiltered (gdb_stdlog, | |
1947 | "STOPPED_BY_WATCHPOINT () = %ld\n", | |
1948 | (unsigned long) retval); | |
1949 | return retval; | |
1950 | } | |
1951 | ||
1952 | static CORE_ADDR | |
1953 | debug_to_stopped_data_address (void) | |
1954 | { | |
1955 | CORE_ADDR retval; | |
1956 | ||
1957 | retval = debug_target.to_stopped_data_address (); | |
1958 | ||
1959 | fprintf_unfiltered (gdb_stdlog, | |
1960 | "target_stopped_data_address () = 0x%lx\n", | |
1961 | (unsigned long) retval); | |
1962 | return retval; | |
1963 | } | |
1964 | ||
1965 | static int | |
1966 | debug_to_insert_hw_breakpoint (CORE_ADDR addr, char *save) | |
1967 | { | |
1968 | int retval; | |
1969 | ||
1970 | retval = debug_target.to_insert_hw_breakpoint (addr, save); | |
1971 | ||
1972 | fprintf_unfiltered (gdb_stdlog, | |
1973 | "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1974 | (unsigned long) addr, | |
1975 | (unsigned long) retval); | |
1976 | return retval; | |
1977 | } | |
1978 | ||
1979 | static int | |
1980 | debug_to_remove_hw_breakpoint (CORE_ADDR addr, char *save) | |
1981 | { | |
1982 | int retval; | |
1983 | ||
1984 | retval = debug_target.to_remove_hw_breakpoint (addr, save); | |
1985 | ||
1986 | fprintf_unfiltered (gdb_stdlog, | |
1987 | "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1988 | (unsigned long) addr, | |
1989 | (unsigned long) retval); | |
1990 | return retval; | |
1991 | } | |
1992 | ||
1993 | static int | |
1994 | debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type) | |
1995 | { | |
1996 | int retval; | |
1997 | ||
1998 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1999 | ||
2000 | fprintf_unfiltered (gdb_stdlog, | |
2001 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
2002 | (unsigned long) addr, len, type, (unsigned long) retval); | |
2003 | return retval; | |
2004 | } | |
2005 | ||
2006 | static int | |
2007 | debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type) | |
2008 | { | |
2009 | int retval; | |
2010 | ||
2011 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
2012 | ||
2013 | fprintf_unfiltered (gdb_stdlog, | |
2014 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
2015 | (unsigned long) addr, len, type, (unsigned long) retval); | |
2016 | return retval; | |
2017 | } | |
2018 | ||
c906108c | 2019 | static void |
fba45db2 | 2020 | debug_to_terminal_init (void) |
c906108c SS |
2021 | { |
2022 | debug_target.to_terminal_init (); | |
2023 | ||
96baa820 | 2024 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
2025 | } |
2026 | ||
2027 | static void | |
fba45db2 | 2028 | debug_to_terminal_inferior (void) |
c906108c SS |
2029 | { |
2030 | debug_target.to_terminal_inferior (); | |
2031 | ||
96baa820 | 2032 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
2033 | } |
2034 | ||
2035 | static void | |
fba45db2 | 2036 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
2037 | { |
2038 | debug_target.to_terminal_ours_for_output (); | |
2039 | ||
96baa820 | 2040 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
2041 | } |
2042 | ||
2043 | static void | |
fba45db2 | 2044 | debug_to_terminal_ours (void) |
c906108c SS |
2045 | { |
2046 | debug_target.to_terminal_ours (); | |
2047 | ||
96baa820 | 2048 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
2049 | } |
2050 | ||
a790ad35 SC |
2051 | static void |
2052 | debug_to_terminal_save_ours (void) | |
2053 | { | |
2054 | debug_target.to_terminal_save_ours (); | |
2055 | ||
2056 | fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n"); | |
2057 | } | |
2058 | ||
c906108c | 2059 | static void |
fba45db2 | 2060 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
2061 | { |
2062 | debug_target.to_terminal_info (arg, from_tty); | |
2063 | ||
96baa820 | 2064 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
2065 | from_tty); |
2066 | } | |
2067 | ||
2068 | static void | |
fba45db2 | 2069 | debug_to_kill (void) |
c906108c SS |
2070 | { |
2071 | debug_target.to_kill (); | |
2072 | ||
96baa820 | 2073 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
2074 | } |
2075 | ||
2076 | static void | |
fba45db2 | 2077 | debug_to_load (char *args, int from_tty) |
c906108c SS |
2078 | { |
2079 | debug_target.to_load (args, from_tty); | |
2080 | ||
96baa820 | 2081 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
2082 | } |
2083 | ||
2084 | static int | |
fba45db2 | 2085 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
2086 | { |
2087 | int retval; | |
2088 | ||
2089 | retval = debug_target.to_lookup_symbol (name, addrp); | |
2090 | ||
96baa820 | 2091 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
2092 | |
2093 | return retval; | |
2094 | } | |
2095 | ||
2096 | static void | |
fba45db2 | 2097 | debug_to_create_inferior (char *exec_file, char *args, char **env) |
c906108c SS |
2098 | { |
2099 | debug_target.to_create_inferior (exec_file, args, env); | |
2100 | ||
96baa820 | 2101 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx)\n", |
c906108c SS |
2102 | exec_file, args); |
2103 | } | |
2104 | ||
2105 | static void | |
39f77062 | 2106 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 2107 | { |
39f77062 | 2108 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 2109 | |
96baa820 | 2110 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 2111 | PIDGET (ptid)); |
c906108c SS |
2112 | } |
2113 | ||
2114 | static void | |
fba45db2 | 2115 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
2116 | { |
2117 | debug_target.to_acknowledge_created_inferior (pid); | |
2118 | ||
96baa820 | 2119 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
2120 | pid); |
2121 | } | |
2122 | ||
c906108c | 2123 | static int |
fba45db2 | 2124 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 2125 | { |
c5aa993b | 2126 | int retval; |
c906108c SS |
2127 | |
2128 | retval = debug_target.to_insert_fork_catchpoint (pid); | |
2129 | ||
96baa820 | 2130 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2131 | pid, retval); |
c906108c SS |
2132 | |
2133 | return retval; | |
2134 | } | |
2135 | ||
2136 | static int | |
fba45db2 | 2137 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 2138 | { |
c5aa993b | 2139 | int retval; |
c906108c SS |
2140 | |
2141 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
2142 | ||
96baa820 | 2143 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2144 | pid, retval); |
c906108c SS |
2145 | |
2146 | return retval; | |
2147 | } | |
2148 | ||
2149 | static int | |
fba45db2 | 2150 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 2151 | { |
c5aa993b | 2152 | int retval; |
c906108c SS |
2153 | |
2154 | retval = debug_target.to_insert_vfork_catchpoint (pid); | |
2155 | ||
96baa820 | 2156 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n", |
c5aa993b | 2157 | pid, retval); |
c906108c SS |
2158 | |
2159 | return retval; | |
2160 | } | |
2161 | ||
2162 | static int | |
fba45db2 | 2163 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 2164 | { |
c5aa993b | 2165 | int retval; |
c906108c SS |
2166 | |
2167 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2168 | ||
96baa820 | 2169 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 2170 | pid, retval); |
c906108c SS |
2171 | |
2172 | return retval; | |
2173 | } | |
2174 | ||
6604731b DJ |
2175 | static int |
2176 | debug_to_follow_fork (int follow_child) | |
c906108c | 2177 | { |
6604731b | 2178 | int retval = debug_target.to_follow_fork (follow_child); |
c906108c | 2179 | |
6604731b DJ |
2180 | fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n", |
2181 | follow_child, retval); | |
2182 | ||
2183 | return retval; | |
c906108c SS |
2184 | } |
2185 | ||
2186 | static int | |
fba45db2 | 2187 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 2188 | { |
c5aa993b | 2189 | int retval; |
c906108c SS |
2190 | |
2191 | retval = debug_target.to_insert_exec_catchpoint (pid); | |
2192 | ||
96baa820 | 2193 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2194 | pid, retval); |
c906108c SS |
2195 | |
2196 | return retval; | |
2197 | } | |
2198 | ||
2199 | static int | |
fba45db2 | 2200 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 2201 | { |
c5aa993b | 2202 | int retval; |
c906108c SS |
2203 | |
2204 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2205 | ||
96baa820 | 2206 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2207 | pid, retval); |
c906108c SS |
2208 | |
2209 | return retval; | |
2210 | } | |
2211 | ||
c906108c | 2212 | static int |
fba45db2 | 2213 | debug_to_reported_exec_events_per_exec_call (void) |
c906108c | 2214 | { |
c5aa993b | 2215 | int reported_exec_events; |
c906108c SS |
2216 | |
2217 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
2218 | ||
96baa820 | 2219 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2220 | "target_reported_exec_events_per_exec_call () = %d\n", |
c5aa993b | 2221 | reported_exec_events); |
c906108c SS |
2222 | |
2223 | return reported_exec_events; | |
2224 | } | |
2225 | ||
c906108c | 2226 | static int |
fba45db2 | 2227 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2228 | { |
c5aa993b | 2229 | int has_exited; |
c906108c SS |
2230 | |
2231 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2232 | ||
96baa820 | 2233 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2234 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2235 | |
2236 | return has_exited; | |
2237 | } | |
2238 | ||
2239 | static void | |
fba45db2 | 2240 | debug_to_mourn_inferior (void) |
c906108c SS |
2241 | { |
2242 | debug_target.to_mourn_inferior (); | |
2243 | ||
96baa820 | 2244 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2245 | } |
2246 | ||
2247 | static int | |
fba45db2 | 2248 | debug_to_can_run (void) |
c906108c SS |
2249 | { |
2250 | int retval; | |
2251 | ||
2252 | retval = debug_target.to_can_run (); | |
2253 | ||
96baa820 | 2254 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2255 | |
2256 | return retval; | |
2257 | } | |
2258 | ||
2259 | static void | |
39f77062 | 2260 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2261 | { |
39f77062 | 2262 | debug_target.to_notice_signals (ptid); |
c906108c | 2263 | |
39f77062 KB |
2264 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2265 | PIDGET (ptid)); | |
c906108c SS |
2266 | } |
2267 | ||
2268 | static int | |
39f77062 | 2269 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2270 | { |
2271 | int retval; | |
2272 | ||
39f77062 | 2273 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2274 | |
96baa820 | 2275 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2276 | PIDGET (ptid), retval); |
c906108c SS |
2277 | |
2278 | return retval; | |
2279 | } | |
2280 | ||
0d06e24b | 2281 | static void |
fba45db2 | 2282 | debug_to_find_new_threads (void) |
0d06e24b JM |
2283 | { |
2284 | debug_target.to_find_new_threads (); | |
2285 | ||
2286 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2287 | } | |
2288 | ||
c906108c | 2289 | static void |
fba45db2 | 2290 | debug_to_stop (void) |
c906108c SS |
2291 | { |
2292 | debug_target.to_stop (); | |
2293 | ||
96baa820 | 2294 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2295 | } |
2296 | ||
1e3ff5ad AC |
2297 | static LONGEST |
2298 | debug_to_read_partial (struct target_ops *ops, | |
2299 | enum target_object object, | |
2300 | const char *annex, void *buf, | |
2301 | ULONGEST offset, LONGEST len) | |
c906108c | 2302 | { |
1e3ff5ad AC |
2303 | LONGEST retval; |
2304 | ||
2305 | retval = target_read_partial (&debug_target, object, annex, buf, offset, | |
2306 | len); | |
c906108c | 2307 | |
1e3ff5ad AC |
2308 | fprintf_unfiltered (gdb_stdlog, |
2309 | "target_read_partial (%d, %s, 0x%lx, 0x%s, %s) = %s\n", | |
2310 | (int) object, (annex ? annex : "(null)"), | |
2311 | (long) buf, paddr_nz (offset), | |
2312 | paddr_d (len), paddr_d (retval)); | |
2313 | ||
2314 | return retval; | |
2315 | } | |
c906108c | 2316 | |
1e3ff5ad AC |
2317 | static LONGEST |
2318 | debug_to_write_partial (struct target_ops *ops, | |
2319 | enum target_object object, | |
2320 | const char *annex, const void *buf, | |
2321 | ULONGEST offset, LONGEST len) | |
2322 | { | |
2323 | LONGEST retval; | |
2324 | ||
2325 | retval = target_write_partial (&debug_target, object, annex, buf, offset, | |
2326 | len); | |
2327 | ||
2328 | fprintf_unfiltered (gdb_stdlog, | |
2329 | "target_write_partial (%d, %s, 0x%lx, 0x%s, %s) = %s\n", | |
2330 | (int) object, (annex ? annex : "(null)"), | |
2331 | (long) buf, paddr_nz (offset), | |
2332 | paddr_d (len), paddr_d (retval)); | |
c906108c SS |
2333 | |
2334 | return retval; | |
2335 | } | |
2336 | ||
96baa820 JM |
2337 | static void |
2338 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2339 | struct ui_file *outbuf) |
96baa820 JM |
2340 | { |
2341 | debug_target.to_rcmd (command, outbuf); | |
2342 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2343 | } | |
2344 | ||
c906108c | 2345 | static struct symtab_and_line * |
fba45db2 | 2346 | debug_to_enable_exception_callback (enum exception_event_kind kind, int enable) |
c906108c | 2347 | { |
7a292a7a SS |
2348 | struct symtab_and_line *result; |
2349 | result = debug_target.to_enable_exception_callback (kind, enable); | |
96baa820 | 2350 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2351 | "target get_exception_callback_sal (%d, %d)\n", |
2352 | kind, enable); | |
7a292a7a | 2353 | return result; |
c906108c SS |
2354 | } |
2355 | ||
2356 | static struct exception_event_record * | |
fba45db2 | 2357 | debug_to_get_current_exception_event (void) |
c906108c | 2358 | { |
7a292a7a | 2359 | struct exception_event_record *result; |
c5aa993b | 2360 | result = debug_target.to_get_current_exception_event (); |
96baa820 | 2361 | fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n"); |
7a292a7a | 2362 | return result; |
c906108c SS |
2363 | } |
2364 | ||
2365 | static char * | |
fba45db2 | 2366 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2367 | { |
c5aa993b | 2368 | char *exec_file; |
c906108c SS |
2369 | |
2370 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2371 | ||
96baa820 | 2372 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2373 | pid, exec_file); |
c906108c SS |
2374 | |
2375 | return exec_file; | |
2376 | } | |
2377 | ||
c906108c | 2378 | static void |
fba45db2 | 2379 | setup_target_debug (void) |
c906108c SS |
2380 | { |
2381 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2382 | ||
2383 | current_target.to_open = debug_to_open; | |
2384 | current_target.to_close = debug_to_close; | |
2385 | current_target.to_attach = debug_to_attach; | |
2386 | current_target.to_post_attach = debug_to_post_attach; | |
c906108c | 2387 | current_target.to_detach = debug_to_detach; |
6ad8ae5c | 2388 | current_target.to_disconnect = debug_to_disconnect; |
c906108c SS |
2389 | current_target.to_resume = debug_to_resume; |
2390 | current_target.to_wait = debug_to_wait; | |
2391 | current_target.to_post_wait = debug_to_post_wait; | |
2392 | current_target.to_fetch_registers = debug_to_fetch_registers; | |
2393 | current_target.to_store_registers = debug_to_store_registers; | |
2394 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
2395 | current_target.to_xfer_memory = debug_to_xfer_memory; | |
2396 | current_target.to_files_info = debug_to_files_info; | |
2397 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2398 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
ccaa32c7 GS |
2399 | current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint; |
2400 | current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint; | |
2401 | current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint; | |
2402 | current_target.to_insert_watchpoint = debug_to_insert_watchpoint; | |
2403 | current_target.to_remove_watchpoint = debug_to_remove_watchpoint; | |
2404 | current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint; | |
2405 | current_target.to_stopped_data_address = debug_to_stopped_data_address; | |
2406 | current_target.to_region_size_ok_for_hw_watchpoint = debug_to_region_size_ok_for_hw_watchpoint; | |
c906108c SS |
2407 | current_target.to_terminal_init = debug_to_terminal_init; |
2408 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2409 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2410 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
a790ad35 | 2411 | current_target.to_terminal_save_ours = debug_to_terminal_save_ours; |
c906108c SS |
2412 | current_target.to_terminal_info = debug_to_terminal_info; |
2413 | current_target.to_kill = debug_to_kill; | |
2414 | current_target.to_load = debug_to_load; | |
2415 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2416 | current_target.to_create_inferior = debug_to_create_inferior; | |
2417 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2418 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
c906108c SS |
2419 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; |
2420 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2421 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2422 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
6604731b | 2423 | current_target.to_follow_fork = debug_to_follow_fork; |
c906108c SS |
2424 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; |
2425 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
c906108c | 2426 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; |
c906108c SS |
2427 | current_target.to_has_exited = debug_to_has_exited; |
2428 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2429 | current_target.to_can_run = debug_to_can_run; | |
2430 | current_target.to_notice_signals = debug_to_notice_signals; | |
2431 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 2432 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c | 2433 | current_target.to_stop = debug_to_stop; |
1e3ff5ad AC |
2434 | current_target.to_read_partial = debug_to_read_partial; |
2435 | current_target.to_write_partial = debug_to_write_partial; | |
96baa820 | 2436 | current_target.to_rcmd = debug_to_rcmd; |
c906108c SS |
2437 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
2438 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
2439 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
c906108c SS |
2440 | |
2441 | } | |
c906108c | 2442 | \f |
c5aa993b JM |
2443 | |
2444 | static char targ_desc[] = | |
2445 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
2446 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
2447 | core-file, and process, if any), as well as the symbol file name."; | |
2448 | ||
96baa820 JM |
2449 | static void |
2450 | do_monitor_command (char *cmd, | |
2451 | int from_tty) | |
2452 | { | |
2b5fe715 AC |
2453 | if ((current_target.to_rcmd |
2454 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 2455 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
2456 | && (debug_target.to_rcmd |
2457 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
96baa820 JM |
2458 | { |
2459 | error ("\"monitor\" command not supported by this target.\n"); | |
2460 | } | |
2461 | target_rcmd (cmd, gdb_stdtarg); | |
2462 | } | |
2463 | ||
c906108c | 2464 | void |
fba45db2 | 2465 | initialize_targets (void) |
c906108c SS |
2466 | { |
2467 | init_dummy_target (); | |
2468 | push_target (&dummy_target); | |
2469 | ||
2470 | add_info ("target", target_info, targ_desc); | |
2471 | add_info ("files", target_info, targ_desc); | |
2472 | ||
3a11626d MS |
2473 | add_show_from_set |
2474 | (add_set_cmd ("target", class_maintenance, var_zinteger, | |
2475 | (char *) &targetdebug, | |
2476 | "Set target debugging.\n\ | |
5d161b24 | 2477 | When non-zero, target debugging is enabled.", &setdebuglist), |
3a11626d MS |
2478 | &showdebuglist); |
2479 | ||
e707bbc2 AC |
2480 | add_setshow_boolean_cmd ("trust-readonly-sections", class_support, |
2481 | &trust_readonly, "\ | |
2482 | Set mode for reading from readonly sections.\n\ | |
3a11626d MS |
2483 | When this mode is on, memory reads from readonly sections (such as .text)\n\ |
2484 | will be read from the object file instead of from the target. This will\n\ | |
e707bbc2 | 2485 | result in significant performance improvement for remote targets.", "\ |
c0e624e7 | 2486 | Show mode for reading from readonly sections.\n", |
e707bbc2 AC |
2487 | NULL, NULL, |
2488 | &setlist, &showlist); | |
96baa820 JM |
2489 | |
2490 | add_com ("monitor", class_obscure, do_monitor_command, | |
2491 | "Send a command to the remote monitor (remote targets only)."); | |
2492 | ||
8add0441 | 2493 | target_dcache = dcache_init (); |
c906108c | 2494 | } |