Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Select target systems and architectures at runtime for GDB. |
7998dfc3 AC |
2 | |
3 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, | |
c6f0559b | 4 | 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. |
7998dfc3 | 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" |
b6591e8b | 40 | #include "gdbcore.h" |
c906108c | 41 | |
a14ed312 | 42 | static void target_info (char *, int); |
c906108c | 43 | |
a14ed312 | 44 | static void maybe_kill_then_attach (char *, int); |
c906108c | 45 | |
a14ed312 | 46 | static void kill_or_be_killed (int); |
c906108c | 47 | |
a14ed312 | 48 | static void default_terminal_info (char *, int); |
c906108c | 49 | |
ccaa32c7 GS |
50 | static int default_region_size_ok_for_hw_watchpoint (int); |
51 | ||
a14ed312 | 52 | static int nosymbol (char *, CORE_ADDR *); |
c906108c | 53 | |
a14ed312 | 54 | static void tcomplain (void); |
c906108c | 55 | |
a14ed312 | 56 | static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *); |
c906108c | 57 | |
a14ed312 | 58 | static int return_zero (void); |
c906108c | 59 | |
a14ed312 | 60 | static int return_one (void); |
c906108c | 61 | |
ccaa32c7 GS |
62 | static int return_minus_one (void); |
63 | ||
a14ed312 | 64 | void target_ignore (void); |
c906108c | 65 | |
a14ed312 | 66 | static void target_command (char *, int); |
c906108c | 67 | |
a14ed312 | 68 | static struct target_ops *find_default_run_target (char *); |
c906108c | 69 | |
a14ed312 | 70 | static void nosupport_runtime (void); |
392a587b | 71 | |
4b8a223f | 72 | static LONGEST default_xfer_partial (struct target_ops *ops, |
0088c768 | 73 | enum target_object object, |
8aa91c1e AC |
74 | const char *annex, void *readbuf, |
75 | const void *writebuf, | |
76 | ULONGEST offset, LONGEST len); | |
0088c768 | 77 | |
917317f4 JM |
78 | /* Transfer LEN bytes between target address MEMADDR and GDB address |
79 | MYADDR. Returns 0 for success, errno code for failure (which | |
80 | includes partial transfers -- if you want a more useful response to | |
81 | partial transfers, try either target_read_memory_partial or | |
82 | target_write_memory_partial). */ | |
c906108c | 83 | |
570b8f7c AC |
84 | static int target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, |
85 | int write); | |
c906108c | 86 | |
a14ed312 | 87 | static void init_dummy_target (void); |
c906108c | 88 | |
a14ed312 | 89 | static void debug_to_open (char *, int); |
c906108c | 90 | |
a14ed312 | 91 | static void debug_to_close (int); |
c906108c | 92 | |
a14ed312 | 93 | static void debug_to_attach (char *, int); |
c906108c | 94 | |
a14ed312 | 95 | static void debug_to_detach (char *, int); |
c906108c | 96 | |
6ad8ae5c DJ |
97 | static void debug_to_disconnect (char *, int); |
98 | ||
39f77062 | 99 | static void debug_to_resume (ptid_t, int, enum target_signal); |
c906108c | 100 | |
39f77062 | 101 | static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *); |
c906108c | 102 | |
a14ed312 | 103 | static void debug_to_fetch_registers (int); |
c906108c | 104 | |
a14ed312 | 105 | static void debug_to_store_registers (int); |
c906108c | 106 | |
a14ed312 | 107 | static void debug_to_prepare_to_store (void); |
c906108c | 108 | |
5ae5f592 AC |
109 | static int debug_to_xfer_memory (CORE_ADDR, char *, int, int, |
110 | struct mem_attrib *, struct target_ops *); | |
c906108c | 111 | |
a14ed312 | 112 | static void debug_to_files_info (struct target_ops *); |
c906108c | 113 | |
a14ed312 | 114 | static int debug_to_insert_breakpoint (CORE_ADDR, char *); |
c906108c | 115 | |
a14ed312 | 116 | static int debug_to_remove_breakpoint (CORE_ADDR, char *); |
c906108c | 117 | |
ccaa32c7 GS |
118 | static int debug_to_can_use_hw_breakpoint (int, int, int); |
119 | ||
120 | static int debug_to_insert_hw_breakpoint (CORE_ADDR, char *); | |
121 | ||
122 | static int debug_to_remove_hw_breakpoint (CORE_ADDR, char *); | |
123 | ||
124 | static int debug_to_insert_watchpoint (CORE_ADDR, int, int); | |
125 | ||
126 | static int debug_to_remove_watchpoint (CORE_ADDR, int, int); | |
127 | ||
128 | static int debug_to_stopped_by_watchpoint (void); | |
129 | ||
130 | static CORE_ADDR debug_to_stopped_data_address (void); | |
131 | ||
132 | static int debug_to_region_size_ok_for_hw_watchpoint (int); | |
133 | ||
a14ed312 | 134 | static void debug_to_terminal_init (void); |
c906108c | 135 | |
a14ed312 | 136 | static void debug_to_terminal_inferior (void); |
c906108c | 137 | |
a14ed312 | 138 | static void debug_to_terminal_ours_for_output (void); |
c906108c | 139 | |
a790ad35 SC |
140 | static void debug_to_terminal_save_ours (void); |
141 | ||
a14ed312 | 142 | static void debug_to_terminal_ours (void); |
c906108c | 143 | |
a14ed312 | 144 | static void debug_to_terminal_info (char *, int); |
c906108c | 145 | |
a14ed312 | 146 | static void debug_to_kill (void); |
c906108c | 147 | |
a14ed312 | 148 | static void debug_to_load (char *, int); |
c906108c | 149 | |
a14ed312 | 150 | static int debug_to_lookup_symbol (char *, CORE_ADDR *); |
c906108c | 151 | |
a14ed312 | 152 | static void debug_to_mourn_inferior (void); |
c906108c | 153 | |
a14ed312 | 154 | static int debug_to_can_run (void); |
c906108c | 155 | |
39f77062 | 156 | static void debug_to_notice_signals (ptid_t); |
c906108c | 157 | |
39f77062 | 158 | static int debug_to_thread_alive (ptid_t); |
c906108c | 159 | |
a14ed312 | 160 | static void debug_to_stop (void); |
c906108c | 161 | |
c906108c SS |
162 | /* Pointer to array of target architecture structures; the size of the |
163 | array; the current index into the array; the allocated size of the | |
164 | array. */ | |
165 | struct target_ops **target_structs; | |
166 | unsigned target_struct_size; | |
167 | unsigned target_struct_index; | |
168 | unsigned target_struct_allocsize; | |
169 | #define DEFAULT_ALLOCSIZE 10 | |
170 | ||
171 | /* The initial current target, so that there is always a semi-valid | |
172 | current target. */ | |
173 | ||
174 | static struct target_ops dummy_target; | |
175 | ||
176 | /* Top of target stack. */ | |
177 | ||
258b763a | 178 | static struct target_ops *target_stack; |
c906108c SS |
179 | |
180 | /* The target structure we are currently using to talk to a process | |
181 | or file or whatever "inferior" we have. */ | |
182 | ||
183 | struct target_ops current_target; | |
184 | ||
185 | /* Command list for target. */ | |
186 | ||
187 | static struct cmd_list_element *targetlist = NULL; | |
188 | ||
189 | /* Nonzero if we are debugging an attached outside process | |
190 | rather than an inferior. */ | |
191 | ||
192 | int attach_flag; | |
193 | ||
c906108c SS |
194 | /* Non-zero if we want to see trace of target level stuff. */ |
195 | ||
196 | static int targetdebug = 0; | |
197 | ||
a14ed312 | 198 | static void setup_target_debug (void); |
c906108c | 199 | |
4930751a C |
200 | DCACHE *target_dcache; |
201 | ||
c906108c SS |
202 | /* The user just typed 'target' without the name of a target. */ |
203 | ||
c906108c | 204 | static void |
fba45db2 | 205 | target_command (char *arg, int from_tty) |
c906108c SS |
206 | { |
207 | fputs_filtered ("Argument required (target name). Try `help target'\n", | |
208 | gdb_stdout); | |
209 | } | |
210 | ||
211 | /* Add a possible target architecture to the list. */ | |
212 | ||
213 | void | |
fba45db2 | 214 | add_target (struct target_ops *t) |
c906108c | 215 | { |
0088c768 | 216 | /* Provide default values for all "must have" methods. */ |
0b603eba AC |
217 | if (t->to_xfer_partial == NULL) |
218 | t->to_xfer_partial = default_xfer_partial; | |
0088c768 | 219 | |
c906108c SS |
220 | if (!target_structs) |
221 | { | |
222 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
223 | target_structs = (struct target_ops **) xmalloc | |
224 | (target_struct_allocsize * sizeof (*target_structs)); | |
225 | } | |
226 | if (target_struct_size >= target_struct_allocsize) | |
227 | { | |
228 | target_struct_allocsize *= 2; | |
229 | target_structs = (struct target_ops **) | |
c5aa993b JM |
230 | xrealloc ((char *) target_structs, |
231 | target_struct_allocsize * sizeof (*target_structs)); | |
c906108c SS |
232 | } |
233 | target_structs[target_struct_size++] = t; | |
c906108c SS |
234 | |
235 | if (targetlist == NULL) | |
236 | add_prefix_cmd ("target", class_run, target_command, | |
237 | "Connect to a target machine or process.\n\ | |
238 | The first argument is the type or protocol of the target machine.\n\ | |
239 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
240 | information on the arguments for a particular protocol, type\n\ | |
241 | `help target ' followed by the protocol name.", | |
242 | &targetlist, "target ", 0, &cmdlist); | |
243 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
244 | } | |
245 | ||
246 | /* Stub functions */ | |
247 | ||
248 | void | |
fba45db2 | 249 | target_ignore (void) |
c906108c SS |
250 | { |
251 | } | |
252 | ||
11cf8741 JM |
253 | void |
254 | target_load (char *arg, int from_tty) | |
255 | { | |
4930751a | 256 | dcache_invalidate (target_dcache); |
11cf8741 JM |
257 | (*current_target.to_load) (arg, from_tty); |
258 | } | |
259 | ||
c906108c | 260 | static int |
fba45db2 KB |
261 | nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
262 | struct target_ops *t) | |
c906108c | 263 | { |
c5aa993b JM |
264 | errno = EIO; /* Can't read/write this location */ |
265 | return 0; /* No bytes handled */ | |
c906108c SS |
266 | } |
267 | ||
268 | static void | |
fba45db2 | 269 | tcomplain (void) |
c906108c SS |
270 | { |
271 | error ("You can't do that when your target is `%s'", | |
272 | current_target.to_shortname); | |
273 | } | |
274 | ||
275 | void | |
fba45db2 | 276 | noprocess (void) |
c906108c SS |
277 | { |
278 | error ("You can't do that without a process to debug."); | |
279 | } | |
280 | ||
c906108c | 281 | static int |
fba45db2 | 282 | nosymbol (char *name, CORE_ADDR *addrp) |
c906108c | 283 | { |
c5aa993b | 284 | return 1; /* Symbol does not exist in target env */ |
c906108c SS |
285 | } |
286 | ||
392a587b | 287 | static void |
fba45db2 | 288 | nosupport_runtime (void) |
c906108c | 289 | { |
39f77062 | 290 | if (ptid_equal (inferior_ptid, null_ptid)) |
c906108c SS |
291 | noprocess (); |
292 | else | |
293 | error ("No run-time support for this"); | |
294 | } | |
295 | ||
296 | ||
c906108c | 297 | static void |
fba45db2 | 298 | default_terminal_info (char *args, int from_tty) |
c906108c | 299 | { |
c5aa993b | 300 | printf_unfiltered ("No saved terminal information.\n"); |
c906108c SS |
301 | } |
302 | ||
303 | /* This is the default target_create_inferior and target_attach function. | |
304 | If the current target is executing, it asks whether to kill it off. | |
305 | If this function returns without calling error(), it has killed off | |
306 | the target, and the operation should be attempted. */ | |
307 | ||
308 | static void | |
fba45db2 | 309 | kill_or_be_killed (int from_tty) |
c906108c SS |
310 | { |
311 | if (target_has_execution) | |
312 | { | |
313 | printf_unfiltered ("You are already running a program:\n"); | |
314 | target_files_info (); | |
c5aa993b JM |
315 | if (query ("Kill it? ")) |
316 | { | |
317 | target_kill (); | |
318 | if (target_has_execution) | |
319 | error ("Killing the program did not help."); | |
320 | return; | |
321 | } | |
322 | else | |
323 | { | |
324 | error ("Program not killed."); | |
325 | } | |
c906108c | 326 | } |
c5aa993b | 327 | tcomplain (); |
c906108c SS |
328 | } |
329 | ||
330 | static void | |
fba45db2 | 331 | maybe_kill_then_attach (char *args, int from_tty) |
c906108c SS |
332 | { |
333 | kill_or_be_killed (from_tty); | |
334 | target_attach (args, from_tty); | |
335 | } | |
336 | ||
337 | static void | |
c27cda74 AC |
338 | maybe_kill_then_create_inferior (char *exec, char *args, char **env, |
339 | int from_tty) | |
c906108c SS |
340 | { |
341 | kill_or_be_killed (0); | |
c27cda74 | 342 | target_create_inferior (exec, args, env, from_tty); |
c906108c SS |
343 | } |
344 | ||
7998dfc3 AC |
345 | /* Go through the target stack from top to bottom, copying over zero |
346 | entries in current_target, then filling in still empty entries. In | |
347 | effect, we are doing class inheritance through the pushed target | |
348 | vectors. | |
349 | ||
350 | NOTE: cagney/2003-10-17: The problem with this inheritance, as it | |
351 | is currently implemented, is that it discards any knowledge of | |
352 | which target an inherited method originally belonged to. | |
353 | Consequently, new new target methods should instead explicitly and | |
354 | locally search the target stack for the target that can handle the | |
355 | request. */ | |
c906108c SS |
356 | |
357 | static void | |
7998dfc3 | 358 | update_current_target (void) |
c906108c | 359 | { |
7998dfc3 AC |
360 | struct target_ops *t; |
361 | ||
362 | /* First, reset curren'ts contents. */ | |
363 | memset (¤t_target, 0, sizeof (current_target)); | |
364 | ||
365 | #define INHERIT(FIELD, TARGET) \ | |
366 | if (!current_target.FIELD) \ | |
367 | current_target.FIELD = (TARGET)->FIELD | |
368 | ||
369 | for (t = target_stack; t; t = t->beneath) | |
370 | { | |
371 | INHERIT (to_shortname, t); | |
372 | INHERIT (to_longname, t); | |
373 | INHERIT (to_doc, t); | |
374 | INHERIT (to_open, t); | |
375 | INHERIT (to_close, t); | |
376 | INHERIT (to_attach, t); | |
377 | INHERIT (to_post_attach, t); | |
378 | INHERIT (to_detach, t); | |
379 | INHERIT (to_disconnect, t); | |
380 | INHERIT (to_resume, t); | |
381 | INHERIT (to_wait, t); | |
382 | INHERIT (to_post_wait, t); | |
383 | INHERIT (to_fetch_registers, t); | |
384 | INHERIT (to_store_registers, t); | |
385 | INHERIT (to_prepare_to_store, t); | |
386 | INHERIT (to_xfer_memory, t); | |
387 | INHERIT (to_files_info, t); | |
388 | INHERIT (to_insert_breakpoint, t); | |
389 | INHERIT (to_remove_breakpoint, t); | |
390 | INHERIT (to_can_use_hw_breakpoint, t); | |
391 | INHERIT (to_insert_hw_breakpoint, t); | |
392 | INHERIT (to_remove_hw_breakpoint, t); | |
393 | INHERIT (to_insert_watchpoint, t); | |
394 | INHERIT (to_remove_watchpoint, t); | |
395 | INHERIT (to_stopped_data_address, t); | |
396 | INHERIT (to_stopped_by_watchpoint, t); | |
397 | INHERIT (to_have_continuable_watchpoint, t); | |
398 | INHERIT (to_region_size_ok_for_hw_watchpoint, t); | |
399 | INHERIT (to_terminal_init, t); | |
400 | INHERIT (to_terminal_inferior, t); | |
401 | INHERIT (to_terminal_ours_for_output, t); | |
402 | INHERIT (to_terminal_ours, t); | |
403 | INHERIT (to_terminal_save_ours, t); | |
404 | INHERIT (to_terminal_info, t); | |
405 | INHERIT (to_kill, t); | |
406 | INHERIT (to_load, t); | |
407 | INHERIT (to_lookup_symbol, t); | |
408 | INHERIT (to_create_inferior, t); | |
409 | INHERIT (to_post_startup_inferior, t); | |
410 | INHERIT (to_acknowledge_created_inferior, t); | |
411 | INHERIT (to_insert_fork_catchpoint, t); | |
412 | INHERIT (to_remove_fork_catchpoint, t); | |
413 | INHERIT (to_insert_vfork_catchpoint, t); | |
414 | INHERIT (to_remove_vfork_catchpoint, t); | |
415 | INHERIT (to_follow_fork, t); | |
416 | INHERIT (to_insert_exec_catchpoint, t); | |
417 | INHERIT (to_remove_exec_catchpoint, t); | |
418 | INHERIT (to_reported_exec_events_per_exec_call, t); | |
419 | INHERIT (to_has_exited, t); | |
420 | INHERIT (to_mourn_inferior, t); | |
421 | INHERIT (to_can_run, t); | |
422 | INHERIT (to_notice_signals, t); | |
423 | INHERIT (to_thread_alive, t); | |
424 | INHERIT (to_find_new_threads, t); | |
425 | INHERIT (to_pid_to_str, t); | |
426 | INHERIT (to_extra_thread_info, t); | |
427 | INHERIT (to_stop, t); | |
4b8a223f | 428 | /* Do not inherit to_xfer_partial. */ |
7998dfc3 AC |
429 | INHERIT (to_rcmd, t); |
430 | INHERIT (to_enable_exception_callback, t); | |
431 | INHERIT (to_get_current_exception_event, t); | |
432 | INHERIT (to_pid_to_exec_file, t); | |
433 | INHERIT (to_stratum, t); | |
434 | INHERIT (to_has_all_memory, t); | |
435 | INHERIT (to_has_memory, t); | |
436 | INHERIT (to_has_stack, t); | |
437 | INHERIT (to_has_registers, t); | |
438 | INHERIT (to_has_execution, t); | |
439 | INHERIT (to_has_thread_control, t); | |
440 | INHERIT (to_sections, t); | |
441 | INHERIT (to_sections_end, t); | |
442 | INHERIT (to_can_async_p, t); | |
443 | INHERIT (to_is_async_p, t); | |
444 | INHERIT (to_async, t); | |
445 | INHERIT (to_async_mask_value, t); | |
446 | INHERIT (to_find_memory_regions, t); | |
447 | INHERIT (to_make_corefile_notes, t); | |
448 | INHERIT (to_get_thread_local_address, t); | |
449 | INHERIT (to_magic, t); | |
450 | } | |
451 | #undef INHERIT | |
452 | ||
453 | /* Clean up a target struct so it no longer has any zero pointers in | |
0088c768 AC |
454 | it. Some entries are defaulted to a method that print an error, |
455 | others are hard-wired to a standard recursive default. */ | |
c906108c SS |
456 | |
457 | #define de_fault(field, value) \ | |
7998dfc3 AC |
458 | if (!current_target.field) \ |
459 | current_target.field = value | |
0d06e24b JM |
460 | |
461 | de_fault (to_open, | |
462 | (void (*) (char *, int)) | |
463 | tcomplain); | |
464 | de_fault (to_close, | |
465 | (void (*) (int)) | |
466 | target_ignore); | |
467 | de_fault (to_attach, | |
468 | maybe_kill_then_attach); | |
469 | de_fault (to_post_attach, | |
470 | (void (*) (int)) | |
471 | target_ignore); | |
0d06e24b JM |
472 | de_fault (to_detach, |
473 | (void (*) (char *, int)) | |
474 | target_ignore); | |
6ad8ae5c DJ |
475 | de_fault (to_disconnect, |
476 | (void (*) (char *, int)) | |
477 | tcomplain); | |
0d06e24b | 478 | de_fault (to_resume, |
39f77062 | 479 | (void (*) (ptid_t, int, enum target_signal)) |
0d06e24b JM |
480 | noprocess); |
481 | de_fault (to_wait, | |
39f77062 | 482 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) |
0d06e24b JM |
483 | noprocess); |
484 | de_fault (to_post_wait, | |
39f77062 | 485 | (void (*) (ptid_t, int)) |
0d06e24b JM |
486 | target_ignore); |
487 | de_fault (to_fetch_registers, | |
488 | (void (*) (int)) | |
489 | target_ignore); | |
490 | de_fault (to_store_registers, | |
491 | (void (*) (int)) | |
492 | noprocess); | |
493 | de_fault (to_prepare_to_store, | |
494 | (void (*) (void)) | |
495 | noprocess); | |
496 | de_fault (to_xfer_memory, | |
29e57380 | 497 | (int (*) (CORE_ADDR, char *, int, int, struct mem_attrib *, struct target_ops *)) |
0d06e24b JM |
498 | nomemory); |
499 | de_fault (to_files_info, | |
500 | (void (*) (struct target_ops *)) | |
501 | target_ignore); | |
502 | de_fault (to_insert_breakpoint, | |
503 | memory_insert_breakpoint); | |
504 | de_fault (to_remove_breakpoint, | |
505 | memory_remove_breakpoint); | |
ccaa32c7 GS |
506 | de_fault (to_can_use_hw_breakpoint, |
507 | (int (*) (int, int, int)) | |
508 | return_zero); | |
509 | de_fault (to_insert_hw_breakpoint, | |
510 | (int (*) (CORE_ADDR, char *)) | |
511 | return_minus_one); | |
512 | de_fault (to_remove_hw_breakpoint, | |
513 | (int (*) (CORE_ADDR, char *)) | |
514 | return_minus_one); | |
515 | de_fault (to_insert_watchpoint, | |
516 | (int (*) (CORE_ADDR, int, int)) | |
517 | return_minus_one); | |
518 | de_fault (to_remove_watchpoint, | |
519 | (int (*) (CORE_ADDR, int, int)) | |
520 | return_minus_one); | |
521 | de_fault (to_stopped_by_watchpoint, | |
522 | (int (*) (void)) | |
523 | return_zero); | |
524 | de_fault (to_stopped_data_address, | |
525 | (CORE_ADDR (*) (void)) | |
526 | return_zero); | |
527 | de_fault (to_region_size_ok_for_hw_watchpoint, | |
528 | default_region_size_ok_for_hw_watchpoint); | |
0d06e24b JM |
529 | de_fault (to_terminal_init, |
530 | (void (*) (void)) | |
531 | target_ignore); | |
532 | de_fault (to_terminal_inferior, | |
533 | (void (*) (void)) | |
534 | target_ignore); | |
535 | de_fault (to_terminal_ours_for_output, | |
536 | (void (*) (void)) | |
537 | target_ignore); | |
538 | de_fault (to_terminal_ours, | |
539 | (void (*) (void)) | |
540 | target_ignore); | |
a790ad35 SC |
541 | de_fault (to_terminal_save_ours, |
542 | (void (*) (void)) | |
543 | target_ignore); | |
0d06e24b JM |
544 | de_fault (to_terminal_info, |
545 | default_terminal_info); | |
546 | de_fault (to_kill, | |
547 | (void (*) (void)) | |
548 | noprocess); | |
549 | de_fault (to_load, | |
550 | (void (*) (char *, int)) | |
551 | tcomplain); | |
552 | de_fault (to_lookup_symbol, | |
553 | (int (*) (char *, CORE_ADDR *)) | |
554 | nosymbol); | |
555 | de_fault (to_create_inferior, | |
556 | maybe_kill_then_create_inferior); | |
557 | de_fault (to_post_startup_inferior, | |
39f77062 | 558 | (void (*) (ptid_t)) |
0d06e24b JM |
559 | target_ignore); |
560 | de_fault (to_acknowledge_created_inferior, | |
561 | (void (*) (int)) | |
562 | target_ignore); | |
0d06e24b JM |
563 | de_fault (to_insert_fork_catchpoint, |
564 | (int (*) (int)) | |
565 | tcomplain); | |
566 | de_fault (to_remove_fork_catchpoint, | |
567 | (int (*) (int)) | |
568 | tcomplain); | |
569 | de_fault (to_insert_vfork_catchpoint, | |
570 | (int (*) (int)) | |
571 | tcomplain); | |
572 | de_fault (to_remove_vfork_catchpoint, | |
573 | (int (*) (int)) | |
574 | tcomplain); | |
4c9ba7e0 | 575 | de_fault (to_follow_fork, |
6604731b | 576 | (int (*) (int)) |
0d06e24b JM |
577 | target_ignore); |
578 | de_fault (to_insert_exec_catchpoint, | |
579 | (int (*) (int)) | |
580 | tcomplain); | |
581 | de_fault (to_remove_exec_catchpoint, | |
582 | (int (*) (int)) | |
583 | tcomplain); | |
0d06e24b JM |
584 | de_fault (to_reported_exec_events_per_exec_call, |
585 | (int (*) (void)) | |
586 | return_one); | |
0d06e24b JM |
587 | de_fault (to_has_exited, |
588 | (int (*) (int, int, int *)) | |
589 | return_zero); | |
590 | de_fault (to_mourn_inferior, | |
591 | (void (*) (void)) | |
592 | noprocess); | |
593 | de_fault (to_can_run, | |
594 | return_zero); | |
595 | de_fault (to_notice_signals, | |
39f77062 | 596 | (void (*) (ptid_t)) |
0d06e24b JM |
597 | target_ignore); |
598 | de_fault (to_thread_alive, | |
39f77062 | 599 | (int (*) (ptid_t)) |
0d06e24b JM |
600 | return_zero); |
601 | de_fault (to_find_new_threads, | |
602 | (void (*) (void)) | |
603 | target_ignore); | |
604 | de_fault (to_extra_thread_info, | |
605 | (char *(*) (struct thread_info *)) | |
606 | return_zero); | |
607 | de_fault (to_stop, | |
608 | (void (*) (void)) | |
609 | target_ignore); | |
4b8a223f | 610 | current_target.to_xfer_partial = default_xfer_partial; |
0d06e24b | 611 | de_fault (to_rcmd, |
d9fcf2fb | 612 | (void (*) (char *, struct ui_file *)) |
0d06e24b JM |
613 | tcomplain); |
614 | de_fault (to_enable_exception_callback, | |
615 | (struct symtab_and_line * (*) (enum exception_event_kind, int)) | |
616 | nosupport_runtime); | |
617 | de_fault (to_get_current_exception_event, | |
618 | (struct exception_event_record * (*) (void)) | |
619 | nosupport_runtime); | |
620 | de_fault (to_pid_to_exec_file, | |
621 | (char *(*) (int)) | |
622 | return_zero); | |
0d06e24b JM |
623 | de_fault (to_can_async_p, |
624 | (int (*) (void)) | |
625 | return_zero); | |
626 | de_fault (to_is_async_p, | |
627 | (int (*) (void)) | |
628 | return_zero); | |
629 | de_fault (to_async, | |
630 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
631 | tcomplain); | |
c906108c | 632 | #undef de_fault |
c906108c | 633 | |
7998dfc3 AC |
634 | /* Finally, position the target-stack beneath the squashed |
635 | "current_target". That way code looking for a non-inherited | |
636 | target method can quickly and simply find it. */ | |
637 | current_target.beneath = target_stack; | |
c906108c SS |
638 | } |
639 | ||
640 | /* Push a new target type into the stack of the existing target accessors, | |
641 | possibly superseding some of the existing accessors. | |
642 | ||
643 | Result is zero if the pushed target ended up on top of the stack, | |
644 | nonzero if at least one target is on top of it. | |
645 | ||
646 | Rather than allow an empty stack, we always have the dummy target at | |
647 | the bottom stratum, so we can call the function vectors without | |
648 | checking them. */ | |
649 | ||
650 | int | |
fba45db2 | 651 | push_target (struct target_ops *t) |
c906108c | 652 | { |
258b763a | 653 | struct target_ops **cur; |
c906108c SS |
654 | |
655 | /* Check magic number. If wrong, it probably means someone changed | |
656 | the struct definition, but not all the places that initialize one. */ | |
657 | if (t->to_magic != OPS_MAGIC) | |
658 | { | |
c5aa993b JM |
659 | fprintf_unfiltered (gdb_stderr, |
660 | "Magic number of %s target struct wrong\n", | |
661 | t->to_shortname); | |
e1e9e218 | 662 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
663 | } |
664 | ||
258b763a AC |
665 | /* Find the proper stratum to install this target in. */ |
666 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) | |
c906108c | 667 | { |
258b763a | 668 | if ((int) (t->to_stratum) >= (int) (*cur)->to_stratum) |
c906108c SS |
669 | break; |
670 | } | |
671 | ||
258b763a AC |
672 | /* If there's already targets at this stratum, remove them. */ |
673 | /* FIXME: cagney/2003-10-15: I think this should be poping all | |
674 | targets to CUR, and not just those at this stratum level. */ | |
675 | while ((*cur) != NULL && t->to_stratum == (*cur)->to_stratum) | |
676 | { | |
677 | /* There's already something at this stratum level. Close it, | |
678 | and un-hook it from the stack. */ | |
679 | struct target_ops *tmp = (*cur); | |
680 | (*cur) = (*cur)->beneath; | |
681 | tmp->beneath = NULL; | |
f1c07ab0 | 682 | target_close (tmp, 0); |
258b763a | 683 | } |
c906108c SS |
684 | |
685 | /* We have removed all targets in our stratum, now add the new one. */ | |
258b763a AC |
686 | t->beneath = (*cur); |
687 | (*cur) = t; | |
c906108c SS |
688 | |
689 | update_current_target (); | |
690 | ||
c906108c SS |
691 | if (targetdebug) |
692 | setup_target_debug (); | |
c906108c | 693 | |
258b763a AC |
694 | /* Not on top? */ |
695 | return (t != target_stack); | |
c906108c SS |
696 | } |
697 | ||
698 | /* Remove a target_ops vector from the stack, wherever it may be. | |
699 | Return how many times it was removed (0 or 1). */ | |
700 | ||
701 | int | |
fba45db2 | 702 | unpush_target (struct target_ops *t) |
c906108c | 703 | { |
258b763a AC |
704 | struct target_ops **cur; |
705 | struct target_ops *tmp; | |
c906108c | 706 | |
c906108c SS |
707 | /* Look for the specified target. Note that we assume that a target |
708 | can only occur once in the target stack. */ | |
709 | ||
258b763a AC |
710 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) |
711 | { | |
712 | if ((*cur) == t) | |
713 | break; | |
714 | } | |
c906108c | 715 | |
258b763a | 716 | if ((*cur) == NULL) |
c906108c SS |
717 | return 0; /* Didn't find target_ops, quit now */ |
718 | ||
5269965e AC |
719 | /* NOTE: cagney/2003-12-06: In '94 the close call was made |
720 | unconditional by moving it to before the above check that the | |
721 | target was in the target stack (something about "Change the way | |
722 | pushing and popping of targets work to support target overlays | |
723 | and inheritance"). This doesn't make much sense - only open | |
724 | targets should be closed. */ | |
725 | target_close (t, 0); | |
726 | ||
c906108c | 727 | /* Unchain the target */ |
258b763a AC |
728 | tmp = (*cur); |
729 | (*cur) = (*cur)->beneath; | |
730 | tmp->beneath = NULL; | |
c906108c SS |
731 | |
732 | update_current_target (); | |
c906108c SS |
733 | |
734 | return 1; | |
735 | } | |
736 | ||
737 | void | |
fba45db2 | 738 | pop_target (void) |
c906108c | 739 | { |
f1c07ab0 | 740 | target_close (¤t_target, 0); /* Let it clean up */ |
258b763a | 741 | if (unpush_target (target_stack) == 1) |
c906108c SS |
742 | return; |
743 | ||
c5aa993b JM |
744 | fprintf_unfiltered (gdb_stderr, |
745 | "pop_target couldn't find target %s\n", | |
746 | current_target.to_shortname); | |
e1e9e218 | 747 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
748 | } |
749 | ||
750 | #undef MIN | |
751 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
752 | ||
753 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
754 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
755 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
756 | is responsible for freeing it. Return the number of bytes successfully | |
757 | read. */ | |
758 | ||
759 | int | |
fba45db2 | 760 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
761 | { |
762 | int tlen, origlen, offset, i; | |
763 | char buf[4]; | |
764 | int errcode = 0; | |
765 | char *buffer; | |
766 | int buffer_allocated; | |
767 | char *bufptr; | |
768 | unsigned int nbytes_read = 0; | |
769 | ||
770 | /* Small for testing. */ | |
771 | buffer_allocated = 4; | |
772 | buffer = xmalloc (buffer_allocated); | |
773 | bufptr = buffer; | |
774 | ||
775 | origlen = len; | |
776 | ||
777 | while (len > 0) | |
778 | { | |
779 | tlen = MIN (len, 4 - (memaddr & 3)); | |
780 | offset = memaddr & 3; | |
781 | ||
d4b2399a | 782 | errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0); |
c906108c SS |
783 | if (errcode != 0) |
784 | { | |
785 | /* The transfer request might have crossed the boundary to an | |
786 | unallocated region of memory. Retry the transfer, requesting | |
787 | a single byte. */ | |
788 | tlen = 1; | |
789 | offset = 0; | |
d4b2399a | 790 | errcode = target_xfer_memory (memaddr, buf, 1, 0); |
c906108c SS |
791 | if (errcode != 0) |
792 | goto done; | |
793 | } | |
794 | ||
795 | if (bufptr - buffer + tlen > buffer_allocated) | |
796 | { | |
797 | unsigned int bytes; | |
798 | bytes = bufptr - buffer; | |
799 | buffer_allocated *= 2; | |
800 | buffer = xrealloc (buffer, buffer_allocated); | |
801 | bufptr = buffer + bytes; | |
802 | } | |
803 | ||
804 | for (i = 0; i < tlen; i++) | |
805 | { | |
806 | *bufptr++ = buf[i + offset]; | |
807 | if (buf[i + offset] == '\000') | |
808 | { | |
809 | nbytes_read += i + 1; | |
810 | goto done; | |
811 | } | |
812 | } | |
813 | ||
814 | memaddr += tlen; | |
815 | len -= tlen; | |
816 | nbytes_read += tlen; | |
817 | } | |
c5aa993b | 818 | done: |
c906108c SS |
819 | if (errnop != NULL) |
820 | *errnop = errcode; | |
821 | if (string != NULL) | |
822 | *string = buffer; | |
823 | return nbytes_read; | |
824 | } | |
825 | ||
8db32d44 AC |
826 | /* Find a section containing ADDR. */ |
827 | struct section_table * | |
828 | target_section_by_addr (struct target_ops *target, CORE_ADDR addr) | |
829 | { | |
830 | struct section_table *secp; | |
831 | for (secp = target->to_sections; | |
832 | secp < target->to_sections_end; | |
833 | secp++) | |
834 | { | |
835 | if (addr >= secp->addr && addr < secp->endaddr) | |
836 | return secp; | |
837 | } | |
838 | return NULL; | |
839 | } | |
840 | ||
c906108c SS |
841 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in |
842 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
843 | if any error occurs. | |
844 | ||
845 | If an error occurs, no guarantee is made about the contents of the data at | |
846 | MYADDR. In particular, the caller should not depend upon partial reads | |
847 | filling the buffer with good data. There is no way for the caller to know | |
848 | how much good data might have been transfered anyway. Callers that can | |
849 | deal with partial reads should call target_read_memory_partial. */ | |
850 | ||
851 | int | |
fba45db2 | 852 | target_read_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 853 | { |
d4b2399a | 854 | return target_xfer_memory (memaddr, myaddr, len, 0); |
c906108c SS |
855 | } |
856 | ||
c906108c | 857 | int |
fba45db2 | 858 | target_write_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 859 | { |
d4b2399a | 860 | return target_xfer_memory (memaddr, myaddr, len, 1); |
c906108c | 861 | } |
c5aa993b | 862 | |
3a11626d MS |
863 | static int trust_readonly = 0; |
864 | ||
67e0617e C |
865 | /* Move memory to or from the targets. The top target gets priority; |
866 | if it cannot handle it, it is offered to the next one down, etc. | |
c906108c | 867 | |
67e0617e | 868 | Result is -1 on error, or the number of bytes transfered. */ |
c906108c | 869 | |
4930751a | 870 | int |
29e57380 C |
871 | do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
872 | struct mem_attrib *attrib) | |
c906108c | 873 | { |
c906108c | 874 | int res; |
4930751a | 875 | int done = 0; |
c906108c | 876 | struct target_ops *t; |
c906108c SS |
877 | |
878 | /* Zero length requests are ok and require no work. */ | |
879 | if (len == 0) | |
880 | return 0; | |
881 | ||
c906108c SS |
882 | /* to_xfer_memory is not guaranteed to set errno, even when it returns |
883 | 0. */ | |
884 | errno = 0; | |
885 | ||
3a11626d MS |
886 | if (!write && trust_readonly) |
887 | { | |
8db32d44 | 888 | struct section_table *secp; |
2ceb85d0 BE |
889 | /* User-settable option, "trust-readonly-sections". If true, |
890 | then memory from any SEC_READONLY bfd section may be read | |
8db32d44 AC |
891 | directly from the bfd file. */ |
892 | secp = target_section_by_addr (¤t_target, memaddr); | |
893 | if (secp != NULL | |
894 | && (bfd_get_section_flags (secp->bfd, secp->the_bfd_section) | |
895 | & SEC_READONLY)) | |
896 | return xfer_memory (memaddr, myaddr, len, 0, attrib, ¤t_target); | |
3a11626d MS |
897 | } |
898 | ||
67e0617e | 899 | /* The quick case is that the top target can handle the transfer. */ |
c906108c | 900 | res = current_target.to_xfer_memory |
29e57380 | 901 | (memaddr, myaddr, len, write, attrib, ¤t_target); |
c906108c | 902 | |
67e0617e C |
903 | /* If res <= 0 then we call it again in the loop. Ah well. */ |
904 | if (res <= 0) | |
c906108c | 905 | { |
258b763a | 906 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 907 | { |
c906108c SS |
908 | if (!t->to_has_memory) |
909 | continue; | |
910 | ||
29e57380 | 911 | res = t->to_xfer_memory (memaddr, myaddr, len, write, attrib, t); |
c906108c SS |
912 | if (res > 0) |
913 | break; /* Handled all or part of xfer */ | |
914 | if (t->to_has_all_memory) | |
915 | break; | |
916 | } | |
917 | ||
4930751a | 918 | if (res <= 0) |
67e0617e | 919 | return -1; |
4930751a | 920 | } |
67e0617e C |
921 | |
922 | return res; | |
4930751a C |
923 | } |
924 | ||
67e0617e C |
925 | |
926 | /* Perform a memory transfer. Iterate until the entire region has | |
927 | been transfered. | |
928 | ||
929 | Result is 0 or errno value. */ | |
930 | ||
4930751a C |
931 | static int |
932 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write) | |
933 | { | |
934 | int res; | |
29e57380 C |
935 | int reg_len; |
936 | struct mem_region *region; | |
4930751a C |
937 | |
938 | /* Zero length requests are ok and require no work. */ | |
939 | if (len == 0) | |
940 | { | |
941 | return 0; | |
942 | } | |
943 | ||
944 | while (len > 0) | |
945 | { | |
29e57380 C |
946 | region = lookup_mem_region(memaddr); |
947 | if (memaddr + len < region->hi) | |
948 | reg_len = len; | |
949 | else | |
950 | reg_len = region->hi - memaddr; | |
951 | ||
952 | switch (region->attrib.mode) | |
c906108c | 953 | { |
29e57380 C |
954 | case MEM_RO: |
955 | if (write) | |
956 | return EIO; | |
957 | break; | |
958 | ||
959 | case MEM_WO: | |
c906108c | 960 | if (!write) |
c906108c | 961 | return EIO; |
29e57380 | 962 | break; |
c906108c | 963 | } |
4930751a | 964 | |
29e57380 C |
965 | while (reg_len > 0) |
966 | { | |
967 | if (region->attrib.cache) | |
8add0441 | 968 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, |
29e57380 C |
969 | reg_len, write); |
970 | else | |
8add0441 | 971 | res = do_xfer_memory (memaddr, myaddr, reg_len, write, |
29e57380 C |
972 | ®ion->attrib); |
973 | ||
974 | if (res <= 0) | |
975 | { | |
976 | /* If this address is for nonexistent memory, read zeros | |
977 | if reading, or do nothing if writing. Return | |
978 | error. */ | |
979 | if (!write) | |
980 | memset (myaddr, 0, len); | |
981 | if (errno == 0) | |
982 | return EIO; | |
983 | else | |
984 | return errno; | |
985 | } | |
986 | ||
987 | memaddr += res; | |
988 | myaddr += res; | |
989 | len -= res; | |
990 | reg_len -= res; | |
991 | } | |
c906108c | 992 | } |
4930751a | 993 | |
c906108c SS |
994 | return 0; /* We managed to cover it all somehow. */ |
995 | } | |
996 | ||
997 | ||
67e0617e C |
998 | /* Perform a partial memory transfer. |
999 | ||
1000 | Result is -1 on error, or the number of bytes transfered. */ | |
917317f4 JM |
1001 | |
1002 | static int | |
4930751a | 1003 | target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len, |
917317f4 JM |
1004 | int write_p, int *err) |
1005 | { | |
1006 | int res; | |
29e57380 C |
1007 | int reg_len; |
1008 | struct mem_region *region; | |
917317f4 JM |
1009 | |
1010 | /* Zero length requests are ok and require no work. */ | |
1011 | if (len == 0) | |
1012 | { | |
1013 | *err = 0; | |
1014 | return 0; | |
1015 | } | |
1016 | ||
29e57380 C |
1017 | region = lookup_mem_region(memaddr); |
1018 | if (memaddr + len < region->hi) | |
1019 | reg_len = len; | |
1020 | else | |
1021 | reg_len = region->hi - memaddr; | |
1022 | ||
1023 | switch (region->attrib.mode) | |
1024 | { | |
1025 | case MEM_RO: | |
1026 | if (write_p) | |
1027 | { | |
1028 | *err = EIO; | |
873406a6 | 1029 | return -1; |
29e57380 C |
1030 | } |
1031 | break; | |
1032 | ||
1033 | case MEM_WO: | |
1034 | if (write_p) | |
1035 | { | |
1036 | *err = EIO; | |
873406a6 | 1037 | return -1; |
29e57380 C |
1038 | } |
1039 | break; | |
1040 | } | |
1041 | ||
1042 | if (region->attrib.cache) | |
1043 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, | |
1044 | reg_len, write_p); | |
1045 | else | |
1046 | res = do_xfer_memory (memaddr, myaddr, reg_len, write_p, | |
1047 | ®ion->attrib); | |
1048 | ||
4930751a | 1049 | if (res <= 0) |
917317f4 | 1050 | { |
4930751a C |
1051 | if (errno != 0) |
1052 | *err = errno; | |
1053 | else | |
1054 | *err = EIO; | |
917317f4 | 1055 | |
4930751a | 1056 | return -1; |
917317f4 JM |
1057 | } |
1058 | ||
4930751a | 1059 | *err = 0; |
67e0617e | 1060 | return res; |
917317f4 JM |
1061 | } |
1062 | ||
1063 | int | |
1064 | target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1065 | { | |
1066 | return target_xfer_memory_partial (memaddr, buf, len, 0, err); | |
1067 | } | |
1068 | ||
1069 | int | |
1070 | target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1071 | { | |
1072 | return target_xfer_memory_partial (memaddr, buf, len, 1, err); | |
1073 | } | |
1074 | ||
1e3ff5ad AC |
1075 | /* More generic transfers. */ |
1076 | ||
0088c768 | 1077 | static LONGEST |
8aa91c1e AC |
1078 | default_xfer_partial (struct target_ops *ops, enum target_object object, |
1079 | const char *annex, void *readbuf, | |
1080 | const void *writebuf, ULONGEST offset, LONGEST len) | |
0088c768 AC |
1081 | { |
1082 | if (object == TARGET_OBJECT_MEMORY | |
1083 | && ops->to_xfer_memory != NULL) | |
1084 | /* If available, fall back to the target's "to_xfer_memory" | |
1085 | method. */ | |
1086 | { | |
4b8a223f | 1087 | int xfered = -1; |
0088c768 | 1088 | errno = 0; |
4b8a223f AC |
1089 | if (writebuf != NULL) |
1090 | { | |
1091 | void *buffer = xmalloc (len); | |
1092 | struct cleanup *cleanup = make_cleanup (xfree, buffer); | |
1093 | memcpy (buffer, writebuf, len); | |
1094 | xfered = ops->to_xfer_memory (offset, buffer, len, 1/*write*/, NULL, | |
1095 | ops); | |
1096 | do_cleanups (cleanup); | |
1097 | } | |
1098 | if (readbuf != NULL) | |
1099 | xfered = ops->to_xfer_memory (offset, readbuf, len, 0/*read*/, NULL, | |
0088c768 | 1100 | ops); |
0088c768 AC |
1101 | if (xfered > 0) |
1102 | return xfered; | |
1103 | else if (xfered == 0 && errno == 0) | |
1104 | /* "to_xfer_memory" uses 0, cross checked against ERRNO as one | |
1105 | indication of an error. */ | |
1106 | return 0; | |
1107 | else | |
1108 | return -1; | |
1109 | } | |
1110 | else if (ops->beneath != NULL) | |
4b8a223f | 1111 | return ops->beneath->to_xfer_partial (ops->beneath, object, annex, |
8aa91c1e | 1112 | readbuf, writebuf, offset, len); |
0088c768 AC |
1113 | else |
1114 | return -1; | |
1115 | } | |
1116 | ||
1117 | /* Target vector read/write partial wrapper functions. | |
1118 | ||
1119 | NOTE: cagney/2003-10-21: I wonder if having "to_xfer_partial | |
1120 | (inbuf, outbuf)", instead of separate read/write methods, make life | |
1121 | easier. */ | |
1122 | ||
1e3ff5ad AC |
1123 | LONGEST |
1124 | target_read_partial (struct target_ops *ops, | |
1125 | enum target_object object, | |
1126 | const char *annex, void *buf, | |
1127 | ULONGEST offset, LONGEST len) | |
1128 | { | |
4b8a223f | 1129 | gdb_assert (ops->to_xfer_partial != NULL); |
8aa91c1e | 1130 | return ops->to_xfer_partial (ops, object, annex, buf, NULL, offset, len); |
1e3ff5ad AC |
1131 | } |
1132 | ||
1133 | LONGEST | |
1134 | target_write_partial (struct target_ops *ops, | |
1135 | enum target_object object, | |
1136 | const char *annex, const void *buf, | |
1137 | ULONGEST offset, LONGEST len) | |
1138 | { | |
4b8a223f | 1139 | gdb_assert (ops->to_xfer_partial != NULL); |
8aa91c1e | 1140 | return ops->to_xfer_partial (ops, object, annex, NULL, buf, offset, len); |
1e3ff5ad AC |
1141 | } |
1142 | ||
1143 | /* Wrappers to perform the full transfer. */ | |
1144 | LONGEST | |
1145 | target_read (struct target_ops *ops, | |
1146 | enum target_object object, | |
1147 | const char *annex, void *buf, | |
1148 | ULONGEST offset, LONGEST len) | |
1149 | { | |
1150 | LONGEST xfered = 0; | |
1151 | while (xfered < len) | |
1152 | { | |
0088c768 AC |
1153 | LONGEST xfer = target_read_partial (ops, object, annex, |
1154 | (bfd_byte *) buf + xfered, | |
1155 | offset + xfered, len - xfered); | |
1e3ff5ad | 1156 | /* Call an observer, notifying them of the xfer progress? */ |
0088c768 AC |
1157 | if (xfer <= 0) |
1158 | /* Call memory_error? */ | |
1159 | return -1; | |
1e3ff5ad AC |
1160 | xfered += xfer; |
1161 | QUIT; | |
1162 | } | |
1163 | return len; | |
1164 | } | |
1165 | ||
1166 | LONGEST | |
1167 | target_write (struct target_ops *ops, | |
1168 | enum target_object object, | |
1169 | const char *annex, const void *buf, | |
1170 | ULONGEST offset, LONGEST len) | |
1171 | { | |
1172 | LONGEST xfered = 0; | |
1173 | while (xfered < len) | |
1174 | { | |
1175 | LONGEST xfer = target_write_partial (ops, object, annex, | |
1176 | (bfd_byte *) buf + xfered, | |
1177 | offset + xfered, len - xfered); | |
1178 | /* Call an observer, notifying them of the xfer progress? */ | |
0088c768 AC |
1179 | if (xfer <= 0) |
1180 | /* Call memory_error? */ | |
1181 | return -1; | |
1e3ff5ad AC |
1182 | xfered += xfer; |
1183 | QUIT; | |
1184 | } | |
1185 | return len; | |
1186 | } | |
1187 | ||
b6591e8b AC |
1188 | /* Memory transfer methods. */ |
1189 | ||
1190 | void | |
1191 | get_target_memory (struct target_ops *ops, CORE_ADDR addr, void *buf, | |
1192 | LONGEST len) | |
1193 | { | |
1194 | if (target_read (ops, TARGET_OBJECT_MEMORY, NULL, buf, addr, len) | |
1195 | != len) | |
1196 | memory_error (EIO, addr); | |
1197 | } | |
1198 | ||
1199 | ULONGEST | |
1200 | get_target_memory_unsigned (struct target_ops *ops, | |
1201 | CORE_ADDR addr, int len) | |
1202 | { | |
1203 | char buf[sizeof (ULONGEST)]; | |
1204 | ||
1205 | gdb_assert (len <= sizeof (buf)); | |
1206 | get_target_memory (ops, addr, buf, len); | |
1207 | return extract_unsigned_integer (buf, len); | |
1208 | } | |
1209 | ||
c906108c | 1210 | static void |
fba45db2 | 1211 | target_info (char *args, int from_tty) |
c906108c SS |
1212 | { |
1213 | struct target_ops *t; | |
c906108c | 1214 | int has_all_mem = 0; |
c5aa993b | 1215 | |
c906108c SS |
1216 | if (symfile_objfile != NULL) |
1217 | printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name); | |
1218 | ||
258b763a | 1219 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 1220 | { |
c906108c SS |
1221 | if (!t->to_has_memory) |
1222 | continue; | |
1223 | ||
c5aa993b | 1224 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1225 | continue; |
1226 | if (has_all_mem) | |
c5aa993b JM |
1227 | printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n"); |
1228 | printf_unfiltered ("%s:\n", t->to_longname); | |
1229 | (t->to_files_info) (t); | |
c906108c SS |
1230 | has_all_mem = t->to_has_all_memory; |
1231 | } | |
1232 | } | |
1233 | ||
1234 | /* This is to be called by the open routine before it does | |
1235 | anything. */ | |
1236 | ||
1237 | void | |
fba45db2 | 1238 | target_preopen (int from_tty) |
c906108c | 1239 | { |
c5aa993b | 1240 | dont_repeat (); |
c906108c SS |
1241 | |
1242 | if (target_has_execution) | |
c5aa993b | 1243 | { |
adf40b2e JM |
1244 | if (!from_tty |
1245 | || query ("A program is being debugged already. Kill it? ")) | |
c5aa993b | 1246 | target_kill (); |
c906108c | 1247 | else |
c5aa993b | 1248 | error ("Program not killed."); |
c906108c SS |
1249 | } |
1250 | ||
1251 | /* Calling target_kill may remove the target from the stack. But if | |
1252 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1253 | ||
1254 | if (target_has_execution) | |
1255 | pop_target (); | |
1256 | } | |
1257 | ||
1258 | /* Detach a target after doing deferred register stores. */ | |
1259 | ||
1260 | void | |
fba45db2 | 1261 | target_detach (char *args, int from_tty) |
c906108c | 1262 | { |
c906108c SS |
1263 | (current_target.to_detach) (args, from_tty); |
1264 | } | |
1265 | ||
6ad8ae5c DJ |
1266 | void |
1267 | target_disconnect (char *args, int from_tty) | |
1268 | { | |
6ad8ae5c DJ |
1269 | (current_target.to_disconnect) (args, from_tty); |
1270 | } | |
1271 | ||
c906108c | 1272 | void |
fba45db2 | 1273 | target_link (char *modname, CORE_ADDR *t_reloc) |
c906108c | 1274 | { |
cb137aa5 | 1275 | if (DEPRECATED_STREQ (current_target.to_shortname, "rombug")) |
c906108c SS |
1276 | { |
1277 | (current_target.to_lookup_symbol) (modname, t_reloc); | |
1278 | if (*t_reloc == 0) | |
c5aa993b | 1279 | error ("Unable to link to %s and get relocation in rombug", modname); |
c906108c SS |
1280 | } |
1281 | else | |
2acceee2 | 1282 | *t_reloc = (CORE_ADDR) -1; |
c906108c SS |
1283 | } |
1284 | ||
ed9a39eb JM |
1285 | int |
1286 | target_async_mask (int mask) | |
1287 | { | |
1288 | int saved_async_masked_status = target_async_mask_value; | |
1289 | target_async_mask_value = mask; | |
1290 | return saved_async_masked_status; | |
1291 | } | |
1292 | ||
c906108c SS |
1293 | /* Look through the list of possible targets for a target that can |
1294 | execute a run or attach command without any other data. This is | |
1295 | used to locate the default process stratum. | |
1296 | ||
1297 | Result is always valid (error() is called for errors). */ | |
1298 | ||
1299 | static struct target_ops * | |
fba45db2 | 1300 | find_default_run_target (char *do_mesg) |
c906108c SS |
1301 | { |
1302 | struct target_ops **t; | |
1303 | struct target_ops *runable = NULL; | |
1304 | int count; | |
1305 | ||
1306 | count = 0; | |
1307 | ||
1308 | for (t = target_structs; t < target_structs + target_struct_size; | |
1309 | ++t) | |
1310 | { | |
c5aa993b | 1311 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1312 | { |
1313 | runable = *t; | |
1314 | ++count; | |
1315 | } | |
1316 | } | |
1317 | ||
1318 | if (count != 1) | |
1319 | error ("Don't know how to %s. Try \"help target\".", do_mesg); | |
1320 | ||
1321 | return runable; | |
1322 | } | |
1323 | ||
1324 | void | |
fba45db2 | 1325 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1326 | { |
1327 | struct target_ops *t; | |
1328 | ||
c5aa993b | 1329 | t = find_default_run_target ("attach"); |
c906108c SS |
1330 | (t->to_attach) (args, from_tty); |
1331 | return; | |
1332 | } | |
1333 | ||
c906108c | 1334 | void |
c27cda74 AC |
1335 | find_default_create_inferior (char *exec_file, char *allargs, char **env, |
1336 | int from_tty) | |
c906108c SS |
1337 | { |
1338 | struct target_ops *t; | |
1339 | ||
c5aa993b | 1340 | t = find_default_run_target ("run"); |
c27cda74 | 1341 | (t->to_create_inferior) (exec_file, allargs, env, from_tty); |
c906108c SS |
1342 | return; |
1343 | } | |
1344 | ||
ccaa32c7 GS |
1345 | static int |
1346 | default_region_size_ok_for_hw_watchpoint (int byte_count) | |
1347 | { | |
437b434f | 1348 | return (byte_count <= TYPE_LENGTH (builtin_type_void_data_ptr)); |
ccaa32c7 GS |
1349 | } |
1350 | ||
c906108c | 1351 | static int |
fba45db2 | 1352 | return_zero (void) |
c906108c SS |
1353 | { |
1354 | return 0; | |
1355 | } | |
1356 | ||
1357 | static int | |
fba45db2 | 1358 | return_one (void) |
c906108c SS |
1359 | { |
1360 | return 1; | |
1361 | } | |
1362 | ||
ccaa32c7 GS |
1363 | static int |
1364 | return_minus_one (void) | |
1365 | { | |
1366 | return -1; | |
1367 | } | |
1368 | ||
6426a772 JM |
1369 | /* |
1370 | * Resize the to_sections pointer. Also make sure that anyone that | |
1371 | * was holding on to an old value of it gets updated. | |
1372 | * Returns the old size. | |
1373 | */ | |
1374 | ||
1375 | int | |
1376 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1377 | { | |
1378 | struct target_ops **t; | |
1379 | struct section_table *old_value; | |
1380 | int old_count; | |
1381 | ||
1382 | old_value = target->to_sections; | |
1383 | ||
1384 | if (target->to_sections) | |
1385 | { | |
1386 | old_count = target->to_sections_end - target->to_sections; | |
1387 | target->to_sections = (struct section_table *) | |
1388 | xrealloc ((char *) target->to_sections, | |
1389 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1390 | } | |
1391 | else | |
1392 | { | |
1393 | old_count = 0; | |
1394 | target->to_sections = (struct section_table *) | |
1395 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1396 | } | |
1397 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1398 | ||
1399 | /* Check to see if anyone else was pointing to this structure. | |
1400 | If old_value was null, then no one was. */ | |
1401 | ||
1402 | if (old_value) | |
1403 | { | |
1404 | for (t = target_structs; t < target_structs + target_struct_size; | |
1405 | ++t) | |
1406 | { | |
1407 | if ((*t)->to_sections == old_value) | |
1408 | { | |
1409 | (*t)->to_sections = target->to_sections; | |
1410 | (*t)->to_sections_end = target->to_sections_end; | |
1411 | } | |
1412 | } | |
e354df01 NW |
1413 | /* There is a flattened view of the target stack in current_target, |
1414 | so its to_sections pointer might also need updating. */ | |
1415 | if (current_target.to_sections == old_value) | |
1416 | { | |
1417 | current_target.to_sections = target->to_sections; | |
1418 | current_target.to_sections_end = target->to_sections_end; | |
1419 | } | |
6426a772 JM |
1420 | } |
1421 | ||
1422 | return old_count; | |
1423 | ||
1424 | } | |
1425 | ||
07cd4b97 JB |
1426 | /* Remove all target sections taken from ABFD. |
1427 | ||
1428 | Scan the current target stack for targets whose section tables | |
1429 | refer to sections from BFD, and remove those sections. We use this | |
1430 | when we notice that the inferior has unloaded a shared object, for | |
1431 | example. */ | |
1432 | void | |
1433 | remove_target_sections (bfd *abfd) | |
1434 | { | |
1435 | struct target_ops **t; | |
1436 | ||
1437 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1438 | { | |
1439 | struct section_table *src, *dest; | |
1440 | ||
1441 | dest = (*t)->to_sections; | |
1442 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1443 | if (src->bfd != abfd) | |
1444 | { | |
1445 | /* Keep this section. */ | |
1446 | if (dest < src) *dest = *src; | |
1447 | dest++; | |
1448 | } | |
1449 | ||
1450 | /* If we've dropped any sections, resize the section table. */ | |
1451 | if (dest < src) | |
1452 | target_resize_to_sections (*t, dest - src); | |
1453 | } | |
1454 | } | |
1455 | ||
1456 | ||
1457 | ||
1458 | ||
7a292a7a SS |
1459 | /* Find a single runnable target in the stack and return it. If for |
1460 | some reason there is more than one, return NULL. */ | |
1461 | ||
1462 | struct target_ops * | |
fba45db2 | 1463 | find_run_target (void) |
7a292a7a SS |
1464 | { |
1465 | struct target_ops **t; | |
1466 | struct target_ops *runable = NULL; | |
1467 | int count; | |
c5aa993b | 1468 | |
7a292a7a | 1469 | count = 0; |
c5aa993b | 1470 | |
7a292a7a SS |
1471 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1472 | { | |
c5aa993b | 1473 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1474 | { |
1475 | runable = *t; | |
1476 | ++count; | |
1477 | } | |
1478 | } | |
c5aa993b | 1479 | |
7a292a7a SS |
1480 | return (count == 1 ? runable : NULL); |
1481 | } | |
1482 | ||
ed9a39eb JM |
1483 | /* Find a single core_stratum target in the list of targets and return it. |
1484 | If for some reason there is more than one, return NULL. */ | |
1485 | ||
c906108c | 1486 | struct target_ops * |
fba45db2 | 1487 | find_core_target (void) |
c906108c SS |
1488 | { |
1489 | struct target_ops **t; | |
1490 | struct target_ops *runable = NULL; | |
1491 | int count; | |
c5aa993b | 1492 | |
c906108c | 1493 | count = 0; |
c5aa993b | 1494 | |
c906108c SS |
1495 | for (t = target_structs; t < target_structs + target_struct_size; |
1496 | ++t) | |
1497 | { | |
1498 | if ((*t)->to_stratum == core_stratum) | |
1499 | { | |
1500 | runable = *t; | |
1501 | ++count; | |
1502 | } | |
1503 | } | |
c5aa993b JM |
1504 | |
1505 | return (count == 1 ? runable : NULL); | |
c906108c | 1506 | } |
ed9a39eb JM |
1507 | |
1508 | /* | |
1509 | * Find the next target down the stack from the specified target. | |
1510 | */ | |
1511 | ||
1512 | struct target_ops * | |
fba45db2 | 1513 | find_target_beneath (struct target_ops *t) |
ed9a39eb | 1514 | { |
258b763a | 1515 | return t->beneath; |
ed9a39eb JM |
1516 | } |
1517 | ||
c906108c SS |
1518 | \f |
1519 | /* The inferior process has died. Long live the inferior! */ | |
1520 | ||
1521 | void | |
fba45db2 | 1522 | generic_mourn_inferior (void) |
c906108c SS |
1523 | { |
1524 | extern int show_breakpoint_hit_counts; | |
1525 | ||
39f77062 | 1526 | inferior_ptid = null_ptid; |
c906108c SS |
1527 | attach_flag = 0; |
1528 | breakpoint_init_inferior (inf_exited); | |
1529 | registers_changed (); | |
1530 | ||
c906108c SS |
1531 | reopen_exec_file (); |
1532 | reinit_frame_cache (); | |
1533 | ||
1534 | /* It is confusing to the user for ignore counts to stick around | |
1535 | from previous runs of the inferior. So clear them. */ | |
1536 | /* However, it is more confusing for the ignore counts to disappear when | |
1537 | using hit counts. So don't clear them if we're counting hits. */ | |
1538 | if (!show_breakpoint_hit_counts) | |
1539 | breakpoint_clear_ignore_counts (); | |
c5b739b5 | 1540 | |
9a4105ab AC |
1541 | if (deprecated_detach_hook) |
1542 | deprecated_detach_hook (); | |
c906108c SS |
1543 | } |
1544 | \f | |
c906108c SS |
1545 | /* Helper function for child_wait and the Lynx derivatives of child_wait. |
1546 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1547 | translation of that in OURSTATUS. */ | |
1548 | void | |
fba45db2 | 1549 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c SS |
1550 | { |
1551 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1552 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1553 | if it wants to deal with hoststatus. */ | |
1554 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1555 | return; | |
1556 | #endif | |
1557 | ||
1558 | if (WIFEXITED (hoststatus)) | |
1559 | { | |
1560 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1561 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1562 | } | |
1563 | else if (!WIFSTOPPED (hoststatus)) | |
1564 | { | |
1565 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1566 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1567 | } | |
1568 | else | |
1569 | { | |
1570 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1571 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1572 | } | |
1573 | } | |
1574 | \f | |
c906108c | 1575 | /* Returns zero to leave the inferior alone, one to interrupt it. */ |
507f3c78 | 1576 | int (*target_activity_function) (void); |
c906108c SS |
1577 | int target_activity_fd; |
1578 | \f | |
1579 | /* Convert a normal process ID to a string. Returns the string in a static | |
1580 | buffer. */ | |
1581 | ||
1582 | char * | |
39f77062 | 1583 | normal_pid_to_str (ptid_t ptid) |
c906108c SS |
1584 | { |
1585 | static char buf[30]; | |
1586 | ||
39f77062 | 1587 | sprintf (buf, "process %d", PIDGET (ptid)); |
c906108c SS |
1588 | return buf; |
1589 | } | |
1590 | ||
be4d1333 | 1591 | /* Error-catcher for target_find_memory_regions */ |
be4d1333 MS |
1592 | static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2) |
1593 | { | |
1594 | error ("No target."); | |
1595 | return 0; | |
1596 | } | |
1597 | ||
1598 | /* Error-catcher for target_make_corefile_notes */ | |
be4d1333 MS |
1599 | static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2) |
1600 | { | |
1601 | error ("No target."); | |
1602 | return NULL; | |
1603 | } | |
1604 | ||
c906108c SS |
1605 | /* Set up the handful of non-empty slots needed by the dummy target |
1606 | vector. */ | |
1607 | ||
1608 | static void | |
fba45db2 | 1609 | init_dummy_target (void) |
c906108c SS |
1610 | { |
1611 | dummy_target.to_shortname = "None"; | |
1612 | dummy_target.to_longname = "None"; | |
1613 | dummy_target.to_doc = ""; | |
1614 | dummy_target.to_attach = find_default_attach; | |
c906108c | 1615 | dummy_target.to_create_inferior = find_default_create_inferior; |
ed9a39eb | 1616 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c | 1617 | dummy_target.to_stratum = dummy_stratum; |
be4d1333 MS |
1618 | dummy_target.to_find_memory_regions = dummy_find_memory_regions; |
1619 | dummy_target.to_make_corefile_notes = dummy_make_corefile_notes; | |
0b603eba | 1620 | dummy_target.to_xfer_partial = default_xfer_partial; |
c906108c SS |
1621 | dummy_target.to_magic = OPS_MAGIC; |
1622 | } | |
c906108c | 1623 | \f |
c5aa993b | 1624 | |
c906108c SS |
1625 | static struct target_ops debug_target; |
1626 | ||
1627 | static void | |
fba45db2 | 1628 | debug_to_open (char *args, int from_tty) |
c906108c SS |
1629 | { |
1630 | debug_target.to_open (args, from_tty); | |
1631 | ||
96baa820 | 1632 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
1633 | } |
1634 | ||
1635 | static void | |
fba45db2 | 1636 | debug_to_close (int quitting) |
c906108c | 1637 | { |
f1c07ab0 | 1638 | target_close (&debug_target, quitting); |
96baa820 | 1639 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
1640 | } |
1641 | ||
f1c07ab0 AC |
1642 | void |
1643 | target_close (struct target_ops *targ, int quitting) | |
1644 | { | |
1645 | if (targ->to_xclose != NULL) | |
1646 | targ->to_xclose (targ, quitting); | |
1647 | else if (targ->to_close != NULL) | |
1648 | targ->to_close (quitting); | |
1649 | } | |
1650 | ||
c906108c | 1651 | static void |
fba45db2 | 1652 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
1653 | { |
1654 | debug_target.to_attach (args, from_tty); | |
1655 | ||
96baa820 | 1656 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
1657 | } |
1658 | ||
1659 | ||
1660 | static void | |
fba45db2 | 1661 | debug_to_post_attach (int pid) |
c906108c SS |
1662 | { |
1663 | debug_target.to_post_attach (pid); | |
1664 | ||
96baa820 | 1665 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
1666 | } |
1667 | ||
c906108c | 1668 | static void |
fba45db2 | 1669 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
1670 | { |
1671 | debug_target.to_detach (args, from_tty); | |
1672 | ||
96baa820 | 1673 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
1674 | } |
1675 | ||
6ad8ae5c DJ |
1676 | static void |
1677 | debug_to_disconnect (char *args, int from_tty) | |
1678 | { | |
1679 | debug_target.to_disconnect (args, from_tty); | |
1680 | ||
1681 | fprintf_unfiltered (gdb_stdlog, "target_disconnect (%s, %d)\n", | |
1682 | args, from_tty); | |
1683 | } | |
1684 | ||
c906108c | 1685 | static void |
39f77062 | 1686 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 1687 | { |
39f77062 | 1688 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 1689 | |
39f77062 | 1690 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
1691 | step ? "step" : "continue", |
1692 | target_signal_to_name (siggnal)); | |
1693 | } | |
1694 | ||
39f77062 KB |
1695 | static ptid_t |
1696 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 1697 | { |
39f77062 | 1698 | ptid_t retval; |
c906108c | 1699 | |
39f77062 | 1700 | retval = debug_target.to_wait (ptid, status); |
c906108c | 1701 | |
96baa820 | 1702 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
1703 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
1704 | PIDGET (retval)); | |
96baa820 | 1705 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
1706 | switch (status->kind) |
1707 | { | |
1708 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 1709 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
1710 | status->value.integer); |
1711 | break; | |
1712 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 1713 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
1714 | target_signal_to_name (status->value.sig)); |
1715 | break; | |
1716 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 1717 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
1718 | target_signal_to_name (status->value.sig)); |
1719 | break; | |
1720 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 1721 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
1722 | break; |
1723 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 1724 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
1725 | break; |
1726 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 1727 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
1728 | break; |
1729 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 1730 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
1731 | break; |
1732 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 1733 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
1734 | break; |
1735 | default: | |
96baa820 | 1736 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
1737 | break; |
1738 | } | |
1739 | ||
1740 | return retval; | |
1741 | } | |
1742 | ||
1743 | static void | |
39f77062 | 1744 | debug_to_post_wait (ptid_t ptid, int status) |
c906108c | 1745 | { |
39f77062 | 1746 | debug_target.to_post_wait (ptid, status); |
c906108c | 1747 | |
96baa820 | 1748 | fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n", |
39f77062 | 1749 | PIDGET (ptid), status); |
c906108c SS |
1750 | } |
1751 | ||
bf0c5130 AC |
1752 | static void |
1753 | debug_print_register (const char * func, int regno) | |
1754 | { | |
1755 | fprintf_unfiltered (gdb_stdlog, "%s ", func); | |
1756 | if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS | |
1757 | && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0') | |
1758 | fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno)); | |
1759 | else | |
1760 | fprintf_unfiltered (gdb_stdlog, "(%d)", regno); | |
1761 | if (regno >= 0) | |
1762 | { | |
1763 | int i; | |
d9d9c31f | 1764 | unsigned char buf[MAX_REGISTER_SIZE]; |
4caf0990 | 1765 | deprecated_read_register_gen (regno, buf); |
bf0c5130 | 1766 | fprintf_unfiltered (gdb_stdlog, " = "); |
3acba339 | 1767 | for (i = 0; i < register_size (current_gdbarch, regno); i++) |
bf0c5130 AC |
1768 | { |
1769 | fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]); | |
1770 | } | |
3acba339 | 1771 | if (register_size (current_gdbarch, regno) <= sizeof (LONGEST)) |
bf0c5130 AC |
1772 | { |
1773 | fprintf_unfiltered (gdb_stdlog, " 0x%s %s", | |
1774 | paddr_nz (read_register (regno)), | |
1775 | paddr_d (read_register (regno))); | |
1776 | } | |
1777 | } | |
1778 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
1779 | } | |
1780 | ||
c906108c | 1781 | static void |
fba45db2 | 1782 | debug_to_fetch_registers (int regno) |
c906108c SS |
1783 | { |
1784 | debug_target.to_fetch_registers (regno); | |
bf0c5130 | 1785 | debug_print_register ("target_fetch_registers", regno); |
c906108c SS |
1786 | } |
1787 | ||
1788 | static void | |
fba45db2 | 1789 | debug_to_store_registers (int regno) |
c906108c SS |
1790 | { |
1791 | debug_target.to_store_registers (regno); | |
bf0c5130 AC |
1792 | debug_print_register ("target_store_registers", regno); |
1793 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
c906108c SS |
1794 | } |
1795 | ||
1796 | static void | |
fba45db2 | 1797 | debug_to_prepare_to_store (void) |
c906108c SS |
1798 | { |
1799 | debug_target.to_prepare_to_store (); | |
1800 | ||
96baa820 | 1801 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
1802 | } |
1803 | ||
1804 | static int | |
fba45db2 | 1805 | debug_to_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
29e57380 | 1806 | struct mem_attrib *attrib, |
fba45db2 | 1807 | struct target_ops *target) |
c906108c SS |
1808 | { |
1809 | int retval; | |
1810 | ||
29e57380 C |
1811 | retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, |
1812 | attrib, target); | |
c906108c | 1813 | |
96baa820 | 1814 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 1815 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 1816 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
1817 | len, write ? "write" : "read", retval); |
1818 | ||
c906108c SS |
1819 | if (retval > 0) |
1820 | { | |
1821 | int i; | |
1822 | ||
96baa820 | 1823 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
1824 | for (i = 0; i < retval; i++) |
1825 | { | |
1826 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
333dabeb DJ |
1827 | { |
1828 | if (targetdebug < 2 && i > 0) | |
1829 | { | |
1830 | fprintf_unfiltered (gdb_stdlog, " ..."); | |
1831 | break; | |
1832 | } | |
1833 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
1834 | } | |
1835 | ||
96baa820 | 1836 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); |
c906108c SS |
1837 | } |
1838 | } | |
1839 | ||
96baa820 | 1840 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
1841 | |
1842 | return retval; | |
1843 | } | |
1844 | ||
1845 | static void | |
fba45db2 | 1846 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
1847 | { |
1848 | debug_target.to_files_info (target); | |
1849 | ||
96baa820 | 1850 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
1851 | } |
1852 | ||
1853 | static int | |
fba45db2 | 1854 | debug_to_insert_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1855 | { |
1856 | int retval; | |
1857 | ||
1858 | retval = debug_target.to_insert_breakpoint (addr, save); | |
1859 | ||
96baa820 | 1860 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1861 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
1862 | (unsigned long) addr, | |
1863 | (unsigned long) retval); | |
c906108c SS |
1864 | return retval; |
1865 | } | |
1866 | ||
1867 | static int | |
fba45db2 | 1868 | debug_to_remove_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1869 | { |
1870 | int retval; | |
1871 | ||
1872 | retval = debug_target.to_remove_breakpoint (addr, save); | |
1873 | ||
96baa820 | 1874 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1875 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
1876 | (unsigned long) addr, | |
1877 | (unsigned long) retval); | |
c906108c SS |
1878 | return retval; |
1879 | } | |
1880 | ||
ccaa32c7 GS |
1881 | static int |
1882 | debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty) | |
1883 | { | |
1884 | int retval; | |
1885 | ||
1886 | retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty); | |
1887 | ||
1888 | fprintf_unfiltered (gdb_stdlog, | |
1889 | "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n", | |
1890 | (unsigned long) type, | |
1891 | (unsigned long) cnt, | |
1892 | (unsigned long) from_tty, | |
1893 | (unsigned long) retval); | |
1894 | return retval; | |
1895 | } | |
1896 | ||
1897 | static int | |
1898 | debug_to_region_size_ok_for_hw_watchpoint (int byte_count) | |
1899 | { | |
1900 | CORE_ADDR retval; | |
1901 | ||
1902 | retval = debug_target.to_region_size_ok_for_hw_watchpoint (byte_count); | |
1903 | ||
1904 | fprintf_unfiltered (gdb_stdlog, | |
1905 | "TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (%ld) = 0x%lx\n", | |
1906 | (unsigned long) byte_count, | |
1907 | (unsigned long) retval); | |
1908 | return retval; | |
1909 | } | |
1910 | ||
1911 | static int | |
1912 | debug_to_stopped_by_watchpoint (void) | |
1913 | { | |
1914 | int retval; | |
1915 | ||
1916 | retval = debug_target.to_stopped_by_watchpoint (); | |
1917 | ||
1918 | fprintf_unfiltered (gdb_stdlog, | |
1919 | "STOPPED_BY_WATCHPOINT () = %ld\n", | |
1920 | (unsigned long) retval); | |
1921 | return retval; | |
1922 | } | |
1923 | ||
1924 | static CORE_ADDR | |
1925 | debug_to_stopped_data_address (void) | |
1926 | { | |
1927 | CORE_ADDR retval; | |
1928 | ||
1929 | retval = debug_target.to_stopped_data_address (); | |
1930 | ||
1931 | fprintf_unfiltered (gdb_stdlog, | |
1932 | "target_stopped_data_address () = 0x%lx\n", | |
1933 | (unsigned long) retval); | |
1934 | return retval; | |
1935 | } | |
1936 | ||
1937 | static int | |
1938 | debug_to_insert_hw_breakpoint (CORE_ADDR addr, char *save) | |
1939 | { | |
1940 | int retval; | |
1941 | ||
1942 | retval = debug_target.to_insert_hw_breakpoint (addr, save); | |
1943 | ||
1944 | fprintf_unfiltered (gdb_stdlog, | |
1945 | "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1946 | (unsigned long) addr, | |
1947 | (unsigned long) retval); | |
1948 | return retval; | |
1949 | } | |
1950 | ||
1951 | static int | |
1952 | debug_to_remove_hw_breakpoint (CORE_ADDR addr, char *save) | |
1953 | { | |
1954 | int retval; | |
1955 | ||
1956 | retval = debug_target.to_remove_hw_breakpoint (addr, save); | |
1957 | ||
1958 | fprintf_unfiltered (gdb_stdlog, | |
1959 | "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1960 | (unsigned long) addr, | |
1961 | (unsigned long) retval); | |
1962 | return retval; | |
1963 | } | |
1964 | ||
1965 | static int | |
1966 | debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type) | |
1967 | { | |
1968 | int retval; | |
1969 | ||
1970 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1971 | ||
1972 | fprintf_unfiltered (gdb_stdlog, | |
1973 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
1974 | (unsigned long) addr, len, type, (unsigned long) retval); | |
1975 | return retval; | |
1976 | } | |
1977 | ||
1978 | static int | |
1979 | debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type) | |
1980 | { | |
1981 | int retval; | |
1982 | ||
1983 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1984 | ||
1985 | fprintf_unfiltered (gdb_stdlog, | |
1986 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
1987 | (unsigned long) addr, len, type, (unsigned long) retval); | |
1988 | return retval; | |
1989 | } | |
1990 | ||
c906108c | 1991 | static void |
fba45db2 | 1992 | debug_to_terminal_init (void) |
c906108c SS |
1993 | { |
1994 | debug_target.to_terminal_init (); | |
1995 | ||
96baa820 | 1996 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
1997 | } |
1998 | ||
1999 | static void | |
fba45db2 | 2000 | debug_to_terminal_inferior (void) |
c906108c SS |
2001 | { |
2002 | debug_target.to_terminal_inferior (); | |
2003 | ||
96baa820 | 2004 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
2005 | } |
2006 | ||
2007 | static void | |
fba45db2 | 2008 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
2009 | { |
2010 | debug_target.to_terminal_ours_for_output (); | |
2011 | ||
96baa820 | 2012 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
2013 | } |
2014 | ||
2015 | static void | |
fba45db2 | 2016 | debug_to_terminal_ours (void) |
c906108c SS |
2017 | { |
2018 | debug_target.to_terminal_ours (); | |
2019 | ||
96baa820 | 2020 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
2021 | } |
2022 | ||
a790ad35 SC |
2023 | static void |
2024 | debug_to_terminal_save_ours (void) | |
2025 | { | |
2026 | debug_target.to_terminal_save_ours (); | |
2027 | ||
2028 | fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n"); | |
2029 | } | |
2030 | ||
c906108c | 2031 | static void |
fba45db2 | 2032 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
2033 | { |
2034 | debug_target.to_terminal_info (arg, from_tty); | |
2035 | ||
96baa820 | 2036 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
2037 | from_tty); |
2038 | } | |
2039 | ||
2040 | static void | |
fba45db2 | 2041 | debug_to_kill (void) |
c906108c SS |
2042 | { |
2043 | debug_target.to_kill (); | |
2044 | ||
96baa820 | 2045 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
2046 | } |
2047 | ||
2048 | static void | |
fba45db2 | 2049 | debug_to_load (char *args, int from_tty) |
c906108c SS |
2050 | { |
2051 | debug_target.to_load (args, from_tty); | |
2052 | ||
96baa820 | 2053 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
2054 | } |
2055 | ||
2056 | static int | |
fba45db2 | 2057 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
2058 | { |
2059 | int retval; | |
2060 | ||
2061 | retval = debug_target.to_lookup_symbol (name, addrp); | |
2062 | ||
96baa820 | 2063 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
2064 | |
2065 | return retval; | |
2066 | } | |
2067 | ||
2068 | static void | |
c27cda74 AC |
2069 | debug_to_create_inferior (char *exec_file, char *args, char **env, |
2070 | int from_tty) | |
c906108c | 2071 | { |
c27cda74 | 2072 | debug_target.to_create_inferior (exec_file, args, env, from_tty); |
c906108c | 2073 | |
c27cda74 AC |
2074 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx, %d)\n", |
2075 | exec_file, args, from_tty); | |
c906108c SS |
2076 | } |
2077 | ||
2078 | static void | |
39f77062 | 2079 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 2080 | { |
39f77062 | 2081 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 2082 | |
96baa820 | 2083 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 2084 | PIDGET (ptid)); |
c906108c SS |
2085 | } |
2086 | ||
2087 | static void | |
fba45db2 | 2088 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
2089 | { |
2090 | debug_target.to_acknowledge_created_inferior (pid); | |
2091 | ||
96baa820 | 2092 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
2093 | pid); |
2094 | } | |
2095 | ||
c906108c | 2096 | static int |
fba45db2 | 2097 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 2098 | { |
c5aa993b | 2099 | int retval; |
c906108c SS |
2100 | |
2101 | retval = debug_target.to_insert_fork_catchpoint (pid); | |
2102 | ||
96baa820 | 2103 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2104 | pid, retval); |
c906108c SS |
2105 | |
2106 | return retval; | |
2107 | } | |
2108 | ||
2109 | static int | |
fba45db2 | 2110 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 2111 | { |
c5aa993b | 2112 | int retval; |
c906108c SS |
2113 | |
2114 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
2115 | ||
96baa820 | 2116 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2117 | pid, retval); |
c906108c SS |
2118 | |
2119 | return retval; | |
2120 | } | |
2121 | ||
2122 | static int | |
fba45db2 | 2123 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 2124 | { |
c5aa993b | 2125 | int retval; |
c906108c SS |
2126 | |
2127 | retval = debug_target.to_insert_vfork_catchpoint (pid); | |
2128 | ||
96baa820 | 2129 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n", |
c5aa993b | 2130 | pid, retval); |
c906108c SS |
2131 | |
2132 | return retval; | |
2133 | } | |
2134 | ||
2135 | static int | |
fba45db2 | 2136 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 2137 | { |
c5aa993b | 2138 | int retval; |
c906108c SS |
2139 | |
2140 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2141 | ||
96baa820 | 2142 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 2143 | pid, retval); |
c906108c SS |
2144 | |
2145 | return retval; | |
2146 | } | |
2147 | ||
6604731b DJ |
2148 | static int |
2149 | debug_to_follow_fork (int follow_child) | |
c906108c | 2150 | { |
6604731b | 2151 | int retval = debug_target.to_follow_fork (follow_child); |
c906108c | 2152 | |
6604731b DJ |
2153 | fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n", |
2154 | follow_child, retval); | |
2155 | ||
2156 | return retval; | |
c906108c SS |
2157 | } |
2158 | ||
2159 | static int | |
fba45db2 | 2160 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 2161 | { |
c5aa993b | 2162 | int retval; |
c906108c SS |
2163 | |
2164 | retval = debug_target.to_insert_exec_catchpoint (pid); | |
2165 | ||
96baa820 | 2166 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2167 | pid, retval); |
c906108c SS |
2168 | |
2169 | return retval; | |
2170 | } | |
2171 | ||
2172 | static int | |
fba45db2 | 2173 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 2174 | { |
c5aa993b | 2175 | int retval; |
c906108c SS |
2176 | |
2177 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2178 | ||
96baa820 | 2179 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2180 | pid, retval); |
c906108c SS |
2181 | |
2182 | return retval; | |
2183 | } | |
2184 | ||
c906108c | 2185 | static int |
fba45db2 | 2186 | debug_to_reported_exec_events_per_exec_call (void) |
c906108c | 2187 | { |
c5aa993b | 2188 | int reported_exec_events; |
c906108c SS |
2189 | |
2190 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
2191 | ||
96baa820 | 2192 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2193 | "target_reported_exec_events_per_exec_call () = %d\n", |
c5aa993b | 2194 | reported_exec_events); |
c906108c SS |
2195 | |
2196 | return reported_exec_events; | |
2197 | } | |
2198 | ||
c906108c | 2199 | static int |
fba45db2 | 2200 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2201 | { |
c5aa993b | 2202 | int has_exited; |
c906108c SS |
2203 | |
2204 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2205 | ||
96baa820 | 2206 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2207 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2208 | |
2209 | return has_exited; | |
2210 | } | |
2211 | ||
2212 | static void | |
fba45db2 | 2213 | debug_to_mourn_inferior (void) |
c906108c SS |
2214 | { |
2215 | debug_target.to_mourn_inferior (); | |
2216 | ||
96baa820 | 2217 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2218 | } |
2219 | ||
2220 | static int | |
fba45db2 | 2221 | debug_to_can_run (void) |
c906108c SS |
2222 | { |
2223 | int retval; | |
2224 | ||
2225 | retval = debug_target.to_can_run (); | |
2226 | ||
96baa820 | 2227 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2228 | |
2229 | return retval; | |
2230 | } | |
2231 | ||
2232 | static void | |
39f77062 | 2233 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2234 | { |
39f77062 | 2235 | debug_target.to_notice_signals (ptid); |
c906108c | 2236 | |
39f77062 KB |
2237 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2238 | PIDGET (ptid)); | |
c906108c SS |
2239 | } |
2240 | ||
2241 | static int | |
39f77062 | 2242 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2243 | { |
2244 | int retval; | |
2245 | ||
39f77062 | 2246 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2247 | |
96baa820 | 2248 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2249 | PIDGET (ptid), retval); |
c906108c SS |
2250 | |
2251 | return retval; | |
2252 | } | |
2253 | ||
0d06e24b | 2254 | static void |
fba45db2 | 2255 | debug_to_find_new_threads (void) |
0d06e24b JM |
2256 | { |
2257 | debug_target.to_find_new_threads (); | |
2258 | ||
2259 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2260 | } | |
2261 | ||
c906108c | 2262 | static void |
fba45db2 | 2263 | debug_to_stop (void) |
c906108c SS |
2264 | { |
2265 | debug_target.to_stop (); | |
2266 | ||
96baa820 | 2267 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2268 | } |
2269 | ||
1e3ff5ad | 2270 | static LONGEST |
8aa91c1e AC |
2271 | debug_to_xfer_partial (struct target_ops *ops, enum target_object object, |
2272 | const char *annex, void *readbuf, const void *writebuf, | |
2273 | ULONGEST offset, LONGEST len) | |
1e3ff5ad AC |
2274 | { |
2275 | LONGEST retval; | |
2276 | ||
4b8a223f | 2277 | retval = debug_target.to_xfer_partial (&debug_target, object, annex, |
8aa91c1e | 2278 | readbuf, writebuf, offset, len); |
1e3ff5ad AC |
2279 | |
2280 | fprintf_unfiltered (gdb_stdlog, | |
4b8a223f | 2281 | "target_xfer_partial (%d, %s, 0x%lx, 0x%lx, 0x%s, %s) = %s\n", |
1e3ff5ad | 2282 | (int) object, (annex ? annex : "(null)"), |
8aa91c1e | 2283 | (long) readbuf, (long) writebuf, paddr_nz (offset), |
1e3ff5ad | 2284 | paddr_d (len), paddr_d (retval)); |
c906108c SS |
2285 | |
2286 | return retval; | |
2287 | } | |
2288 | ||
96baa820 JM |
2289 | static void |
2290 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2291 | struct ui_file *outbuf) |
96baa820 JM |
2292 | { |
2293 | debug_target.to_rcmd (command, outbuf); | |
2294 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2295 | } | |
2296 | ||
c906108c | 2297 | static struct symtab_and_line * |
fba45db2 | 2298 | debug_to_enable_exception_callback (enum exception_event_kind kind, int enable) |
c906108c | 2299 | { |
7a292a7a SS |
2300 | struct symtab_and_line *result; |
2301 | result = debug_target.to_enable_exception_callback (kind, enable); | |
96baa820 | 2302 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2303 | "target get_exception_callback_sal (%d, %d)\n", |
2304 | kind, enable); | |
7a292a7a | 2305 | return result; |
c906108c SS |
2306 | } |
2307 | ||
2308 | static struct exception_event_record * | |
fba45db2 | 2309 | debug_to_get_current_exception_event (void) |
c906108c | 2310 | { |
7a292a7a | 2311 | struct exception_event_record *result; |
c5aa993b | 2312 | result = debug_target.to_get_current_exception_event (); |
96baa820 | 2313 | fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n"); |
7a292a7a | 2314 | return result; |
c906108c SS |
2315 | } |
2316 | ||
2317 | static char * | |
fba45db2 | 2318 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2319 | { |
c5aa993b | 2320 | char *exec_file; |
c906108c SS |
2321 | |
2322 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2323 | ||
96baa820 | 2324 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2325 | pid, exec_file); |
c906108c SS |
2326 | |
2327 | return exec_file; | |
2328 | } | |
2329 | ||
c906108c | 2330 | static void |
fba45db2 | 2331 | setup_target_debug (void) |
c906108c SS |
2332 | { |
2333 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2334 | ||
2335 | current_target.to_open = debug_to_open; | |
2336 | current_target.to_close = debug_to_close; | |
2337 | current_target.to_attach = debug_to_attach; | |
2338 | current_target.to_post_attach = debug_to_post_attach; | |
c906108c | 2339 | current_target.to_detach = debug_to_detach; |
6ad8ae5c | 2340 | current_target.to_disconnect = debug_to_disconnect; |
c906108c SS |
2341 | current_target.to_resume = debug_to_resume; |
2342 | current_target.to_wait = debug_to_wait; | |
2343 | current_target.to_post_wait = debug_to_post_wait; | |
2344 | current_target.to_fetch_registers = debug_to_fetch_registers; | |
2345 | current_target.to_store_registers = debug_to_store_registers; | |
2346 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
2347 | current_target.to_xfer_memory = debug_to_xfer_memory; | |
2348 | current_target.to_files_info = debug_to_files_info; | |
2349 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2350 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
ccaa32c7 GS |
2351 | current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint; |
2352 | current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint; | |
2353 | current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint; | |
2354 | current_target.to_insert_watchpoint = debug_to_insert_watchpoint; | |
2355 | current_target.to_remove_watchpoint = debug_to_remove_watchpoint; | |
2356 | current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint; | |
2357 | current_target.to_stopped_data_address = debug_to_stopped_data_address; | |
2358 | current_target.to_region_size_ok_for_hw_watchpoint = debug_to_region_size_ok_for_hw_watchpoint; | |
c906108c SS |
2359 | current_target.to_terminal_init = debug_to_terminal_init; |
2360 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2361 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2362 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
a790ad35 | 2363 | current_target.to_terminal_save_ours = debug_to_terminal_save_ours; |
c906108c SS |
2364 | current_target.to_terminal_info = debug_to_terminal_info; |
2365 | current_target.to_kill = debug_to_kill; | |
2366 | current_target.to_load = debug_to_load; | |
2367 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2368 | current_target.to_create_inferior = debug_to_create_inferior; | |
2369 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2370 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
c906108c SS |
2371 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; |
2372 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2373 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2374 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
6604731b | 2375 | current_target.to_follow_fork = debug_to_follow_fork; |
c906108c SS |
2376 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; |
2377 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
c906108c | 2378 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; |
c906108c SS |
2379 | current_target.to_has_exited = debug_to_has_exited; |
2380 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2381 | current_target.to_can_run = debug_to_can_run; | |
2382 | current_target.to_notice_signals = debug_to_notice_signals; | |
2383 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 2384 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c | 2385 | current_target.to_stop = debug_to_stop; |
4b8a223f | 2386 | current_target.to_xfer_partial = debug_to_xfer_partial; |
96baa820 | 2387 | current_target.to_rcmd = debug_to_rcmd; |
c906108c SS |
2388 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
2389 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
2390 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
c906108c SS |
2391 | |
2392 | } | |
c906108c | 2393 | \f |
c5aa993b JM |
2394 | |
2395 | static char targ_desc[] = | |
2396 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
2397 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
2398 | core-file, and process, if any), as well as the symbol file name."; | |
2399 | ||
96baa820 JM |
2400 | static void |
2401 | do_monitor_command (char *cmd, | |
2402 | int from_tty) | |
2403 | { | |
2b5fe715 AC |
2404 | if ((current_target.to_rcmd |
2405 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 2406 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
2407 | && (debug_target.to_rcmd |
2408 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
96baa820 JM |
2409 | { |
2410 | error ("\"monitor\" command not supported by this target.\n"); | |
2411 | } | |
2412 | target_rcmd (cmd, gdb_stdtarg); | |
2413 | } | |
2414 | ||
c906108c | 2415 | void |
fba45db2 | 2416 | initialize_targets (void) |
c906108c SS |
2417 | { |
2418 | init_dummy_target (); | |
2419 | push_target (&dummy_target); | |
2420 | ||
2421 | add_info ("target", target_info, targ_desc); | |
2422 | add_info ("files", target_info, targ_desc); | |
2423 | ||
cb1a6d5f | 2424 | deprecated_add_show_from_set |
3a11626d MS |
2425 | (add_set_cmd ("target", class_maintenance, var_zinteger, |
2426 | (char *) &targetdebug, | |
2427 | "Set target debugging.\n\ | |
333dabeb DJ |
2428 | When non-zero, target debugging is enabled. Higher numbers are more\n\ |
2429 | verbose. Changes do not take effect until the next \"run\" or \"target\"\n\ | |
2430 | command.", &setdebuglist), | |
3a11626d MS |
2431 | &showdebuglist); |
2432 | ||
e707bbc2 AC |
2433 | add_setshow_boolean_cmd ("trust-readonly-sections", class_support, |
2434 | &trust_readonly, "\ | |
3b64bf98 AC |
2435 | Set mode for reading from readonly sections.", "\ |
2436 | Show mode for reading from readonly sections.", "\ | |
3a11626d MS |
2437 | When this mode is on, memory reads from readonly sections (such as .text)\n\ |
2438 | will be read from the object file instead of from the target. This will\n\ | |
e707bbc2 | 2439 | result in significant performance improvement for remote targets.", "\ |
3b64bf98 | 2440 | Mode for reading from readonly sections is %s.", |
e707bbc2 AC |
2441 | NULL, NULL, |
2442 | &setlist, &showlist); | |
96baa820 JM |
2443 | |
2444 | add_com ("monitor", class_obscure, do_monitor_command, | |
2445 | "Send a command to the remote monitor (remote targets only)."); | |
2446 | ||
8add0441 | 2447 | target_dcache = dcache_init (); |
c906108c | 2448 | } |