Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Select target systems and architectures at runtime for GDB. |
7998dfc3 | 2 | |
197e01b6 | 3 | Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
f6519ebc MK |
4 | 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 |
5 | Free Software Foundation, Inc. | |
7998dfc3 | 6 | |
c906108c SS |
7 | Contributed by Cygnus Support. |
8 | ||
c5aa993b | 9 | This file is part of GDB. |
c906108c | 10 | |
c5aa993b JM |
11 | This program is free software; you can redistribute it and/or modify |
12 | it under the terms of the GNU General Public License as published by | |
13 | the Free Software Foundation; either version 2 of the License, or | |
14 | (at your option) any later version. | |
c906108c | 15 | |
c5aa993b JM |
16 | This program is distributed in the hope that it will be useful, |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
c906108c | 20 | |
c5aa993b JM |
21 | You should have received a copy of the GNU General Public License |
22 | along with this program; if not, write to the Free Software | |
197e01b6 EZ |
23 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
24 | Boston, MA 02110-1301, USA. */ | |
c906108c SS |
25 | |
26 | #include "defs.h" | |
27 | #include <errno.h> | |
c906108c SS |
28 | #include "gdb_string.h" |
29 | #include "target.h" | |
30 | #include "gdbcmd.h" | |
31 | #include "symtab.h" | |
32 | #include "inferior.h" | |
33 | #include "bfd.h" | |
34 | #include "symfile.h" | |
35 | #include "objfiles.h" | |
03f2053f | 36 | #include "gdb_wait.h" |
4930751a | 37 | #include "dcache.h" |
c906108c | 38 | #include <signal.h> |
4e052eda | 39 | #include "regcache.h" |
0088c768 | 40 | #include "gdb_assert.h" |
b6591e8b | 41 | #include "gdbcore.h" |
9e35dae4 | 42 | #include "exceptions.h" |
c906108c | 43 | |
a14ed312 | 44 | static void target_info (char *, int); |
c906108c | 45 | |
a14ed312 | 46 | static void maybe_kill_then_attach (char *, int); |
c906108c | 47 | |
a14ed312 | 48 | static void kill_or_be_killed (int); |
c906108c | 49 | |
a14ed312 | 50 | static void default_terminal_info (char *, int); |
c906108c | 51 | |
e0d24f8d WZ |
52 | static int default_region_ok_for_hw_watchpoint (CORE_ADDR, int); |
53 | ||
a14ed312 | 54 | static int nosymbol (char *, CORE_ADDR *); |
c906108c | 55 | |
4ecb6f27 | 56 | static void tcomplain (void) ATTR_NORETURN; |
c906108c | 57 | |
a14ed312 | 58 | static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *); |
c906108c | 59 | |
a14ed312 | 60 | static int return_zero (void); |
c906108c | 61 | |
a14ed312 | 62 | static int return_one (void); |
c906108c | 63 | |
ccaa32c7 GS |
64 | static int return_minus_one (void); |
65 | ||
a14ed312 | 66 | void target_ignore (void); |
c906108c | 67 | |
a14ed312 | 68 | static void target_command (char *, int); |
c906108c | 69 | |
a14ed312 | 70 | static struct target_ops *find_default_run_target (char *); |
c906108c | 71 | |
a14ed312 | 72 | static void nosupport_runtime (void); |
392a587b | 73 | |
4b8a223f | 74 | static LONGEST default_xfer_partial (struct target_ops *ops, |
0088c768 | 75 | enum target_object object, |
1b0ba102 AC |
76 | const char *annex, gdb_byte *readbuf, |
77 | const gdb_byte *writebuf, | |
8aa91c1e | 78 | ULONGEST offset, LONGEST len); |
0088c768 | 79 | |
cf7a04e8 DJ |
80 | static LONGEST current_xfer_partial (struct target_ops *ops, |
81 | enum target_object object, | |
82 | const char *annex, gdb_byte *readbuf, | |
83 | const gdb_byte *writebuf, | |
84 | ULONGEST offset, LONGEST len); | |
c906108c | 85 | |
cf7a04e8 DJ |
86 | static LONGEST target_xfer_partial (struct target_ops *ops, |
87 | enum target_object object, | |
88 | const char *annex, | |
89 | void *readbuf, const void *writebuf, | |
90 | ULONGEST offset, LONGEST len); | |
c906108c | 91 | |
a14ed312 | 92 | static void init_dummy_target (void); |
c906108c | 93 | |
aa869812 AC |
94 | static struct target_ops debug_target; |
95 | ||
a14ed312 | 96 | static void debug_to_open (char *, int); |
c906108c | 97 | |
a14ed312 | 98 | static void debug_to_close (int); |
c906108c | 99 | |
a14ed312 | 100 | static void debug_to_attach (char *, int); |
c906108c | 101 | |
a14ed312 | 102 | static void debug_to_detach (char *, int); |
c906108c | 103 | |
39f77062 | 104 | static void debug_to_resume (ptid_t, int, enum target_signal); |
c906108c | 105 | |
39f77062 | 106 | static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *); |
c906108c | 107 | |
a14ed312 | 108 | static void debug_to_fetch_registers (int); |
c906108c | 109 | |
a14ed312 | 110 | static void debug_to_store_registers (int); |
c906108c | 111 | |
a14ed312 | 112 | static void debug_to_prepare_to_store (void); |
c906108c | 113 | |
a14ed312 | 114 | static void debug_to_files_info (struct target_ops *); |
c906108c | 115 | |
8181d85f | 116 | static int debug_to_insert_breakpoint (struct bp_target_info *); |
c906108c | 117 | |
8181d85f | 118 | static int debug_to_remove_breakpoint (struct bp_target_info *); |
c906108c | 119 | |
ccaa32c7 GS |
120 | static int debug_to_can_use_hw_breakpoint (int, int, int); |
121 | ||
8181d85f | 122 | static int debug_to_insert_hw_breakpoint (struct bp_target_info *); |
ccaa32c7 | 123 | |
8181d85f | 124 | static int debug_to_remove_hw_breakpoint (struct bp_target_info *); |
ccaa32c7 GS |
125 | |
126 | static int debug_to_insert_watchpoint (CORE_ADDR, int, int); | |
127 | ||
128 | static int debug_to_remove_watchpoint (CORE_ADDR, int, int); | |
129 | ||
130 | static int debug_to_stopped_by_watchpoint (void); | |
131 | ||
4aa7a7f5 | 132 | static int debug_to_stopped_data_address (struct target_ops *, CORE_ADDR *); |
ccaa32c7 | 133 | |
e0d24f8d WZ |
134 | static int debug_to_region_ok_for_hw_watchpoint (CORE_ADDR, int); |
135 | ||
a14ed312 | 136 | static void debug_to_terminal_init (void); |
c906108c | 137 | |
a14ed312 | 138 | static void debug_to_terminal_inferior (void); |
c906108c | 139 | |
a14ed312 | 140 | static void debug_to_terminal_ours_for_output (void); |
c906108c | 141 | |
a790ad35 SC |
142 | static void debug_to_terminal_save_ours (void); |
143 | ||
a14ed312 | 144 | static void debug_to_terminal_ours (void); |
c906108c | 145 | |
a14ed312 | 146 | static void debug_to_terminal_info (char *, int); |
c906108c | 147 | |
a14ed312 | 148 | static void debug_to_kill (void); |
c906108c | 149 | |
a14ed312 | 150 | static void debug_to_load (char *, int); |
c906108c | 151 | |
a14ed312 | 152 | static int debug_to_lookup_symbol (char *, CORE_ADDR *); |
c906108c | 153 | |
a14ed312 | 154 | static void debug_to_mourn_inferior (void); |
c906108c | 155 | |
a14ed312 | 156 | static int debug_to_can_run (void); |
c906108c | 157 | |
39f77062 | 158 | static void debug_to_notice_signals (ptid_t); |
c906108c | 159 | |
39f77062 | 160 | static int debug_to_thread_alive (ptid_t); |
c906108c | 161 | |
a14ed312 | 162 | static void debug_to_stop (void); |
c906108c | 163 | |
5ac10fd1 AC |
164 | /* NOTE: cagney/2004-09-29: Many targets reference this variable in |
165 | wierd and mysterious ways. Putting the variable here lets those | |
166 | wierd and mysterious ways keep building while they are being | |
167 | converted to the inferior inheritance structure. */ | |
1df84f13 | 168 | struct target_ops deprecated_child_ops; |
5ac10fd1 | 169 | |
c906108c | 170 | /* Pointer to array of target architecture structures; the size of the |
2bc416ba | 171 | array; the current index into the array; the allocated size of the |
c906108c SS |
172 | array. */ |
173 | struct target_ops **target_structs; | |
174 | unsigned target_struct_size; | |
175 | unsigned target_struct_index; | |
176 | unsigned target_struct_allocsize; | |
177 | #define DEFAULT_ALLOCSIZE 10 | |
178 | ||
179 | /* The initial current target, so that there is always a semi-valid | |
180 | current target. */ | |
181 | ||
182 | static struct target_ops dummy_target; | |
183 | ||
184 | /* Top of target stack. */ | |
185 | ||
258b763a | 186 | static struct target_ops *target_stack; |
c906108c SS |
187 | |
188 | /* The target structure we are currently using to talk to a process | |
189 | or file or whatever "inferior" we have. */ | |
190 | ||
191 | struct target_ops current_target; | |
192 | ||
193 | /* Command list for target. */ | |
194 | ||
195 | static struct cmd_list_element *targetlist = NULL; | |
196 | ||
197 | /* Nonzero if we are debugging an attached outside process | |
198 | rather than an inferior. */ | |
199 | ||
200 | int attach_flag; | |
201 | ||
cf7a04e8 DJ |
202 | /* Nonzero if we should trust readonly sections from the |
203 | executable when reading memory. */ | |
204 | ||
205 | static int trust_readonly = 0; | |
206 | ||
c906108c SS |
207 | /* Non-zero if we want to see trace of target level stuff. */ |
208 | ||
209 | static int targetdebug = 0; | |
920d2a44 AC |
210 | static void |
211 | show_targetdebug (struct ui_file *file, int from_tty, | |
212 | struct cmd_list_element *c, const char *value) | |
213 | { | |
214 | fprintf_filtered (file, _("Target debugging is %s.\n"), value); | |
215 | } | |
c906108c | 216 | |
a14ed312 | 217 | static void setup_target_debug (void); |
c906108c | 218 | |
4930751a C |
219 | DCACHE *target_dcache; |
220 | ||
c906108c SS |
221 | /* The user just typed 'target' without the name of a target. */ |
222 | ||
c906108c | 223 | static void |
fba45db2 | 224 | target_command (char *arg, int from_tty) |
c906108c SS |
225 | { |
226 | fputs_filtered ("Argument required (target name). Try `help target'\n", | |
227 | gdb_stdout); | |
228 | } | |
229 | ||
230 | /* Add a possible target architecture to the list. */ | |
231 | ||
232 | void | |
fba45db2 | 233 | add_target (struct target_ops *t) |
c906108c | 234 | { |
0088c768 | 235 | /* Provide default values for all "must have" methods. */ |
0b603eba AC |
236 | if (t->to_xfer_partial == NULL) |
237 | t->to_xfer_partial = default_xfer_partial; | |
0088c768 | 238 | |
c906108c SS |
239 | if (!target_structs) |
240 | { | |
241 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
242 | target_structs = (struct target_ops **) xmalloc | |
243 | (target_struct_allocsize * sizeof (*target_structs)); | |
244 | } | |
245 | if (target_struct_size >= target_struct_allocsize) | |
246 | { | |
247 | target_struct_allocsize *= 2; | |
248 | target_structs = (struct target_ops **) | |
c5aa993b JM |
249 | xrealloc ((char *) target_structs, |
250 | target_struct_allocsize * sizeof (*target_structs)); | |
c906108c SS |
251 | } |
252 | target_structs[target_struct_size++] = t; | |
c906108c SS |
253 | |
254 | if (targetlist == NULL) | |
1bedd215 AC |
255 | add_prefix_cmd ("target", class_run, target_command, _("\ |
256 | Connect to a target machine or process.\n\ | |
c906108c SS |
257 | The first argument is the type or protocol of the target machine.\n\ |
258 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
259 | information on the arguments for a particular protocol, type\n\ | |
1bedd215 | 260 | `help target ' followed by the protocol name."), |
c906108c SS |
261 | &targetlist, "target ", 0, &cmdlist); |
262 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
263 | } | |
264 | ||
265 | /* Stub functions */ | |
266 | ||
267 | void | |
fba45db2 | 268 | target_ignore (void) |
c906108c SS |
269 | { |
270 | } | |
271 | ||
11cf8741 JM |
272 | void |
273 | target_load (char *arg, int from_tty) | |
274 | { | |
4930751a | 275 | dcache_invalidate (target_dcache); |
11cf8741 JM |
276 | (*current_target.to_load) (arg, from_tty); |
277 | } | |
278 | ||
c906108c | 279 | static int |
fba45db2 KB |
280 | nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
281 | struct target_ops *t) | |
c906108c | 282 | { |
c5aa993b JM |
283 | errno = EIO; /* Can't read/write this location */ |
284 | return 0; /* No bytes handled */ | |
c906108c SS |
285 | } |
286 | ||
287 | static void | |
fba45db2 | 288 | tcomplain (void) |
c906108c | 289 | { |
8a3fe4f8 | 290 | error (_("You can't do that when your target is `%s'"), |
c906108c SS |
291 | current_target.to_shortname); |
292 | } | |
293 | ||
294 | void | |
fba45db2 | 295 | noprocess (void) |
c906108c | 296 | { |
8a3fe4f8 | 297 | error (_("You can't do that without a process to debug.")); |
c906108c SS |
298 | } |
299 | ||
c906108c | 300 | static int |
fba45db2 | 301 | nosymbol (char *name, CORE_ADDR *addrp) |
c906108c | 302 | { |
c5aa993b | 303 | return 1; /* Symbol does not exist in target env */ |
c906108c SS |
304 | } |
305 | ||
392a587b | 306 | static void |
fba45db2 | 307 | nosupport_runtime (void) |
c906108c | 308 | { |
39f77062 | 309 | if (ptid_equal (inferior_ptid, null_ptid)) |
c906108c SS |
310 | noprocess (); |
311 | else | |
8a3fe4f8 | 312 | error (_("No run-time support for this")); |
c906108c SS |
313 | } |
314 | ||
315 | ||
c906108c | 316 | static void |
fba45db2 | 317 | default_terminal_info (char *args, int from_tty) |
c906108c | 318 | { |
a3f17187 | 319 | printf_unfiltered (_("No saved terminal information.\n")); |
c906108c SS |
320 | } |
321 | ||
322 | /* This is the default target_create_inferior and target_attach function. | |
323 | If the current target is executing, it asks whether to kill it off. | |
324 | If this function returns without calling error(), it has killed off | |
325 | the target, and the operation should be attempted. */ | |
326 | ||
327 | static void | |
fba45db2 | 328 | kill_or_be_killed (int from_tty) |
c906108c SS |
329 | { |
330 | if (target_has_execution) | |
331 | { | |
a3f17187 | 332 | printf_unfiltered (_("You are already running a program:\n")); |
c906108c | 333 | target_files_info (); |
c5aa993b JM |
334 | if (query ("Kill it? ")) |
335 | { | |
336 | target_kill (); | |
337 | if (target_has_execution) | |
8a3fe4f8 | 338 | error (_("Killing the program did not help.")); |
c5aa993b JM |
339 | return; |
340 | } | |
341 | else | |
342 | { | |
8a3fe4f8 | 343 | error (_("Program not killed.")); |
c5aa993b | 344 | } |
c906108c | 345 | } |
c5aa993b | 346 | tcomplain (); |
c906108c SS |
347 | } |
348 | ||
349 | static void | |
fba45db2 | 350 | maybe_kill_then_attach (char *args, int from_tty) |
c906108c SS |
351 | { |
352 | kill_or_be_killed (from_tty); | |
353 | target_attach (args, from_tty); | |
354 | } | |
355 | ||
356 | static void | |
c27cda74 AC |
357 | maybe_kill_then_create_inferior (char *exec, char *args, char **env, |
358 | int from_tty) | |
c906108c SS |
359 | { |
360 | kill_or_be_killed (0); | |
c27cda74 | 361 | target_create_inferior (exec, args, env, from_tty); |
c906108c SS |
362 | } |
363 | ||
7998dfc3 AC |
364 | /* Go through the target stack from top to bottom, copying over zero |
365 | entries in current_target, then filling in still empty entries. In | |
366 | effect, we are doing class inheritance through the pushed target | |
367 | vectors. | |
368 | ||
369 | NOTE: cagney/2003-10-17: The problem with this inheritance, as it | |
370 | is currently implemented, is that it discards any knowledge of | |
371 | which target an inherited method originally belonged to. | |
372 | Consequently, new new target methods should instead explicitly and | |
373 | locally search the target stack for the target that can handle the | |
374 | request. */ | |
c906108c SS |
375 | |
376 | static void | |
7998dfc3 | 377 | update_current_target (void) |
c906108c | 378 | { |
7998dfc3 AC |
379 | struct target_ops *t; |
380 | ||
381 | /* First, reset curren'ts contents. */ | |
382 | memset (¤t_target, 0, sizeof (current_target)); | |
383 | ||
384 | #define INHERIT(FIELD, TARGET) \ | |
385 | if (!current_target.FIELD) \ | |
386 | current_target.FIELD = (TARGET)->FIELD | |
387 | ||
388 | for (t = target_stack; t; t = t->beneath) | |
389 | { | |
390 | INHERIT (to_shortname, t); | |
391 | INHERIT (to_longname, t); | |
392 | INHERIT (to_doc, t); | |
393 | INHERIT (to_open, t); | |
394 | INHERIT (to_close, t); | |
395 | INHERIT (to_attach, t); | |
396 | INHERIT (to_post_attach, t); | |
397 | INHERIT (to_detach, t); | |
597320e7 | 398 | /* Do not inherit to_disconnect. */ |
7998dfc3 AC |
399 | INHERIT (to_resume, t); |
400 | INHERIT (to_wait, t); | |
7998dfc3 AC |
401 | INHERIT (to_fetch_registers, t); |
402 | INHERIT (to_store_registers, t); | |
403 | INHERIT (to_prepare_to_store, t); | |
c8e73a31 | 404 | INHERIT (deprecated_xfer_memory, t); |
7998dfc3 AC |
405 | INHERIT (to_files_info, t); |
406 | INHERIT (to_insert_breakpoint, t); | |
407 | INHERIT (to_remove_breakpoint, t); | |
408 | INHERIT (to_can_use_hw_breakpoint, t); | |
409 | INHERIT (to_insert_hw_breakpoint, t); | |
410 | INHERIT (to_remove_hw_breakpoint, t); | |
411 | INHERIT (to_insert_watchpoint, t); | |
412 | INHERIT (to_remove_watchpoint, t); | |
413 | INHERIT (to_stopped_data_address, t); | |
414 | INHERIT (to_stopped_by_watchpoint, t); | |
415 | INHERIT (to_have_continuable_watchpoint, t); | |
e0d24f8d | 416 | INHERIT (to_region_ok_for_hw_watchpoint, t); |
7998dfc3 AC |
417 | INHERIT (to_terminal_init, t); |
418 | INHERIT (to_terminal_inferior, t); | |
419 | INHERIT (to_terminal_ours_for_output, t); | |
420 | INHERIT (to_terminal_ours, t); | |
421 | INHERIT (to_terminal_save_ours, t); | |
422 | INHERIT (to_terminal_info, t); | |
423 | INHERIT (to_kill, t); | |
424 | INHERIT (to_load, t); | |
425 | INHERIT (to_lookup_symbol, t); | |
426 | INHERIT (to_create_inferior, t); | |
427 | INHERIT (to_post_startup_inferior, t); | |
428 | INHERIT (to_acknowledge_created_inferior, t); | |
429 | INHERIT (to_insert_fork_catchpoint, t); | |
430 | INHERIT (to_remove_fork_catchpoint, t); | |
431 | INHERIT (to_insert_vfork_catchpoint, t); | |
432 | INHERIT (to_remove_vfork_catchpoint, t); | |
ee057212 | 433 | /* Do not inherit to_follow_fork. */ |
7998dfc3 AC |
434 | INHERIT (to_insert_exec_catchpoint, t); |
435 | INHERIT (to_remove_exec_catchpoint, t); | |
436 | INHERIT (to_reported_exec_events_per_exec_call, t); | |
437 | INHERIT (to_has_exited, t); | |
438 | INHERIT (to_mourn_inferior, t); | |
439 | INHERIT (to_can_run, t); | |
440 | INHERIT (to_notice_signals, t); | |
441 | INHERIT (to_thread_alive, t); | |
442 | INHERIT (to_find_new_threads, t); | |
443 | INHERIT (to_pid_to_str, t); | |
444 | INHERIT (to_extra_thread_info, t); | |
445 | INHERIT (to_stop, t); | |
4b8a223f | 446 | /* Do not inherit to_xfer_partial. */ |
7998dfc3 AC |
447 | INHERIT (to_rcmd, t); |
448 | INHERIT (to_enable_exception_callback, t); | |
449 | INHERIT (to_get_current_exception_event, t); | |
450 | INHERIT (to_pid_to_exec_file, t); | |
451 | INHERIT (to_stratum, t); | |
452 | INHERIT (to_has_all_memory, t); | |
453 | INHERIT (to_has_memory, t); | |
454 | INHERIT (to_has_stack, t); | |
455 | INHERIT (to_has_registers, t); | |
456 | INHERIT (to_has_execution, t); | |
457 | INHERIT (to_has_thread_control, t); | |
458 | INHERIT (to_sections, t); | |
459 | INHERIT (to_sections_end, t); | |
460 | INHERIT (to_can_async_p, t); | |
461 | INHERIT (to_is_async_p, t); | |
462 | INHERIT (to_async, t); | |
463 | INHERIT (to_async_mask_value, t); | |
464 | INHERIT (to_find_memory_regions, t); | |
465 | INHERIT (to_make_corefile_notes, t); | |
466 | INHERIT (to_get_thread_local_address, t); | |
467 | INHERIT (to_magic, t); | |
fd79ecee | 468 | /* Do not inherit to_memory_map. */ |
a76d924d DJ |
469 | /* Do not inherit to_flash_erase. */ |
470 | /* Do not inherit to_flash_done. */ | |
7998dfc3 AC |
471 | } |
472 | #undef INHERIT | |
473 | ||
474 | /* Clean up a target struct so it no longer has any zero pointers in | |
0088c768 AC |
475 | it. Some entries are defaulted to a method that print an error, |
476 | others are hard-wired to a standard recursive default. */ | |
c906108c SS |
477 | |
478 | #define de_fault(field, value) \ | |
7998dfc3 AC |
479 | if (!current_target.field) \ |
480 | current_target.field = value | |
0d06e24b | 481 | |
2bc416ba DJ |
482 | de_fault (to_open, |
483 | (void (*) (char *, int)) | |
0d06e24b | 484 | tcomplain); |
2bc416ba DJ |
485 | de_fault (to_close, |
486 | (void (*) (int)) | |
0d06e24b | 487 | target_ignore); |
2bc416ba | 488 | de_fault (to_attach, |
0d06e24b | 489 | maybe_kill_then_attach); |
2bc416ba DJ |
490 | de_fault (to_post_attach, |
491 | (void (*) (int)) | |
0d06e24b | 492 | target_ignore); |
2bc416ba DJ |
493 | de_fault (to_detach, |
494 | (void (*) (char *, int)) | |
0d06e24b | 495 | target_ignore); |
2bc416ba DJ |
496 | de_fault (to_resume, |
497 | (void (*) (ptid_t, int, enum target_signal)) | |
0d06e24b | 498 | noprocess); |
2bc416ba DJ |
499 | de_fault (to_wait, |
500 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) | |
0d06e24b | 501 | noprocess); |
2bc416ba DJ |
502 | de_fault (to_fetch_registers, |
503 | (void (*) (int)) | |
0d06e24b | 504 | target_ignore); |
2bc416ba DJ |
505 | de_fault (to_store_registers, |
506 | (void (*) (int)) | |
0d06e24b | 507 | noprocess); |
2bc416ba DJ |
508 | de_fault (to_prepare_to_store, |
509 | (void (*) (void)) | |
0d06e24b | 510 | noprocess); |
2bc416ba DJ |
511 | de_fault (deprecated_xfer_memory, |
512 | (int (*) (CORE_ADDR, gdb_byte *, int, int, struct mem_attrib *, struct target_ops *)) | |
0d06e24b | 513 | nomemory); |
2bc416ba DJ |
514 | de_fault (to_files_info, |
515 | (void (*) (struct target_ops *)) | |
0d06e24b | 516 | target_ignore); |
2bc416ba | 517 | de_fault (to_insert_breakpoint, |
0d06e24b | 518 | memory_insert_breakpoint); |
2bc416ba | 519 | de_fault (to_remove_breakpoint, |
0d06e24b | 520 | memory_remove_breakpoint); |
ccaa32c7 GS |
521 | de_fault (to_can_use_hw_breakpoint, |
522 | (int (*) (int, int, int)) | |
523 | return_zero); | |
524 | de_fault (to_insert_hw_breakpoint, | |
8181d85f | 525 | (int (*) (struct bp_target_info *)) |
ccaa32c7 GS |
526 | return_minus_one); |
527 | de_fault (to_remove_hw_breakpoint, | |
8181d85f | 528 | (int (*) (struct bp_target_info *)) |
ccaa32c7 GS |
529 | return_minus_one); |
530 | de_fault (to_insert_watchpoint, | |
531 | (int (*) (CORE_ADDR, int, int)) | |
532 | return_minus_one); | |
533 | de_fault (to_remove_watchpoint, | |
534 | (int (*) (CORE_ADDR, int, int)) | |
535 | return_minus_one); | |
536 | de_fault (to_stopped_by_watchpoint, | |
537 | (int (*) (void)) | |
538 | return_zero); | |
539 | de_fault (to_stopped_data_address, | |
4aa7a7f5 | 540 | (int (*) (struct target_ops *, CORE_ADDR *)) |
ccaa32c7 | 541 | return_zero); |
e0d24f8d WZ |
542 | de_fault (to_region_ok_for_hw_watchpoint, |
543 | default_region_ok_for_hw_watchpoint); | |
2bc416ba DJ |
544 | de_fault (to_terminal_init, |
545 | (void (*) (void)) | |
0d06e24b | 546 | target_ignore); |
2bc416ba DJ |
547 | de_fault (to_terminal_inferior, |
548 | (void (*) (void)) | |
0d06e24b | 549 | target_ignore); |
2bc416ba DJ |
550 | de_fault (to_terminal_ours_for_output, |
551 | (void (*) (void)) | |
0d06e24b | 552 | target_ignore); |
2bc416ba DJ |
553 | de_fault (to_terminal_ours, |
554 | (void (*) (void)) | |
0d06e24b | 555 | target_ignore); |
2bc416ba DJ |
556 | de_fault (to_terminal_save_ours, |
557 | (void (*) (void)) | |
a790ad35 | 558 | target_ignore); |
2bc416ba | 559 | de_fault (to_terminal_info, |
0d06e24b | 560 | default_terminal_info); |
2bc416ba DJ |
561 | de_fault (to_kill, |
562 | (void (*) (void)) | |
0d06e24b | 563 | noprocess); |
2bc416ba DJ |
564 | de_fault (to_load, |
565 | (void (*) (char *, int)) | |
0d06e24b | 566 | tcomplain); |
2bc416ba DJ |
567 | de_fault (to_lookup_symbol, |
568 | (int (*) (char *, CORE_ADDR *)) | |
0d06e24b | 569 | nosymbol); |
2bc416ba | 570 | de_fault (to_create_inferior, |
0d06e24b | 571 | maybe_kill_then_create_inferior); |
2bc416ba DJ |
572 | de_fault (to_post_startup_inferior, |
573 | (void (*) (ptid_t)) | |
0d06e24b | 574 | target_ignore); |
2bc416ba DJ |
575 | de_fault (to_acknowledge_created_inferior, |
576 | (void (*) (int)) | |
0d06e24b | 577 | target_ignore); |
2bc416ba DJ |
578 | de_fault (to_insert_fork_catchpoint, |
579 | (void (*) (int)) | |
0d06e24b | 580 | tcomplain); |
2bc416ba DJ |
581 | de_fault (to_remove_fork_catchpoint, |
582 | (int (*) (int)) | |
0d06e24b | 583 | tcomplain); |
2bc416ba DJ |
584 | de_fault (to_insert_vfork_catchpoint, |
585 | (void (*) (int)) | |
0d06e24b | 586 | tcomplain); |
2bc416ba DJ |
587 | de_fault (to_remove_vfork_catchpoint, |
588 | (int (*) (int)) | |
0d06e24b | 589 | tcomplain); |
2bc416ba DJ |
590 | de_fault (to_insert_exec_catchpoint, |
591 | (void (*) (int)) | |
0d06e24b | 592 | tcomplain); |
2bc416ba DJ |
593 | de_fault (to_remove_exec_catchpoint, |
594 | (int (*) (int)) | |
0d06e24b | 595 | tcomplain); |
2bc416ba DJ |
596 | de_fault (to_reported_exec_events_per_exec_call, |
597 | (int (*) (void)) | |
0d06e24b | 598 | return_one); |
2bc416ba DJ |
599 | de_fault (to_has_exited, |
600 | (int (*) (int, int, int *)) | |
0d06e24b | 601 | return_zero); |
2bc416ba DJ |
602 | de_fault (to_mourn_inferior, |
603 | (void (*) (void)) | |
0d06e24b | 604 | noprocess); |
2bc416ba | 605 | de_fault (to_can_run, |
0d06e24b | 606 | return_zero); |
2bc416ba DJ |
607 | de_fault (to_notice_signals, |
608 | (void (*) (ptid_t)) | |
0d06e24b | 609 | target_ignore); |
2bc416ba DJ |
610 | de_fault (to_thread_alive, |
611 | (int (*) (ptid_t)) | |
0d06e24b | 612 | return_zero); |
2bc416ba DJ |
613 | de_fault (to_find_new_threads, |
614 | (void (*) (void)) | |
0d06e24b | 615 | target_ignore); |
2bc416ba DJ |
616 | de_fault (to_extra_thread_info, |
617 | (char *(*) (struct thread_info *)) | |
0d06e24b | 618 | return_zero); |
2bc416ba DJ |
619 | de_fault (to_stop, |
620 | (void (*) (void)) | |
0d06e24b | 621 | target_ignore); |
cf7a04e8 | 622 | current_target.to_xfer_partial = current_xfer_partial; |
2bc416ba DJ |
623 | de_fault (to_rcmd, |
624 | (void (*) (char *, struct ui_file *)) | |
0d06e24b | 625 | tcomplain); |
2bc416ba DJ |
626 | de_fault (to_enable_exception_callback, |
627 | (struct symtab_and_line * (*) (enum exception_event_kind, int)) | |
0d06e24b | 628 | nosupport_runtime); |
2bc416ba DJ |
629 | de_fault (to_get_current_exception_event, |
630 | (struct exception_event_record * (*) (void)) | |
0d06e24b | 631 | nosupport_runtime); |
2bc416ba DJ |
632 | de_fault (to_pid_to_exec_file, |
633 | (char *(*) (int)) | |
0d06e24b | 634 | return_zero); |
2bc416ba DJ |
635 | de_fault (to_can_async_p, |
636 | (int (*) (void)) | |
0d06e24b | 637 | return_zero); |
2bc416ba DJ |
638 | de_fault (to_is_async_p, |
639 | (int (*) (void)) | |
0d06e24b | 640 | return_zero); |
2bc416ba DJ |
641 | de_fault (to_async, |
642 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
0d06e24b | 643 | tcomplain); |
c906108c | 644 | #undef de_fault |
c906108c | 645 | |
7998dfc3 AC |
646 | /* Finally, position the target-stack beneath the squashed |
647 | "current_target". That way code looking for a non-inherited | |
648 | target method can quickly and simply find it. */ | |
649 | current_target.beneath = target_stack; | |
c906108c SS |
650 | } |
651 | ||
652 | /* Push a new target type into the stack of the existing target accessors, | |
653 | possibly superseding some of the existing accessors. | |
654 | ||
655 | Result is zero if the pushed target ended up on top of the stack, | |
656 | nonzero if at least one target is on top of it. | |
657 | ||
658 | Rather than allow an empty stack, we always have the dummy target at | |
659 | the bottom stratum, so we can call the function vectors without | |
660 | checking them. */ | |
661 | ||
662 | int | |
fba45db2 | 663 | push_target (struct target_ops *t) |
c906108c | 664 | { |
258b763a | 665 | struct target_ops **cur; |
c906108c SS |
666 | |
667 | /* Check magic number. If wrong, it probably means someone changed | |
668 | the struct definition, but not all the places that initialize one. */ | |
669 | if (t->to_magic != OPS_MAGIC) | |
670 | { | |
c5aa993b JM |
671 | fprintf_unfiltered (gdb_stderr, |
672 | "Magic number of %s target struct wrong\n", | |
673 | t->to_shortname); | |
e2e0b3e5 | 674 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); |
c906108c SS |
675 | } |
676 | ||
258b763a AC |
677 | /* Find the proper stratum to install this target in. */ |
678 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) | |
c906108c | 679 | { |
258b763a | 680 | if ((int) (t->to_stratum) >= (int) (*cur)->to_stratum) |
c906108c SS |
681 | break; |
682 | } | |
683 | ||
258b763a | 684 | /* If there's already targets at this stratum, remove them. */ |
88c231eb | 685 | /* FIXME: cagney/2003-10-15: I think this should be popping all |
258b763a AC |
686 | targets to CUR, and not just those at this stratum level. */ |
687 | while ((*cur) != NULL && t->to_stratum == (*cur)->to_stratum) | |
688 | { | |
689 | /* There's already something at this stratum level. Close it, | |
690 | and un-hook it from the stack. */ | |
691 | struct target_ops *tmp = (*cur); | |
692 | (*cur) = (*cur)->beneath; | |
693 | tmp->beneath = NULL; | |
f1c07ab0 | 694 | target_close (tmp, 0); |
258b763a | 695 | } |
c906108c SS |
696 | |
697 | /* We have removed all targets in our stratum, now add the new one. */ | |
258b763a AC |
698 | t->beneath = (*cur); |
699 | (*cur) = t; | |
c906108c SS |
700 | |
701 | update_current_target (); | |
702 | ||
c906108c SS |
703 | if (targetdebug) |
704 | setup_target_debug (); | |
c906108c | 705 | |
258b763a AC |
706 | /* Not on top? */ |
707 | return (t != target_stack); | |
c906108c SS |
708 | } |
709 | ||
2bc416ba | 710 | /* Remove a target_ops vector from the stack, wherever it may be. |
c906108c SS |
711 | Return how many times it was removed (0 or 1). */ |
712 | ||
713 | int | |
fba45db2 | 714 | unpush_target (struct target_ops *t) |
c906108c | 715 | { |
258b763a AC |
716 | struct target_ops **cur; |
717 | struct target_ops *tmp; | |
c906108c | 718 | |
c906108c SS |
719 | /* Look for the specified target. Note that we assume that a target |
720 | can only occur once in the target stack. */ | |
721 | ||
258b763a AC |
722 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) |
723 | { | |
724 | if ((*cur) == t) | |
725 | break; | |
726 | } | |
c906108c | 727 | |
258b763a | 728 | if ((*cur) == NULL) |
c906108c SS |
729 | return 0; /* Didn't find target_ops, quit now */ |
730 | ||
5269965e AC |
731 | /* NOTE: cagney/2003-12-06: In '94 the close call was made |
732 | unconditional by moving it to before the above check that the | |
733 | target was in the target stack (something about "Change the way | |
734 | pushing and popping of targets work to support target overlays | |
735 | and inheritance"). This doesn't make much sense - only open | |
736 | targets should be closed. */ | |
737 | target_close (t, 0); | |
738 | ||
c906108c | 739 | /* Unchain the target */ |
258b763a AC |
740 | tmp = (*cur); |
741 | (*cur) = (*cur)->beneath; | |
742 | tmp->beneath = NULL; | |
c906108c SS |
743 | |
744 | update_current_target (); | |
c906108c SS |
745 | |
746 | return 1; | |
747 | } | |
748 | ||
749 | void | |
fba45db2 | 750 | pop_target (void) |
c906108c | 751 | { |
f1c07ab0 | 752 | target_close (¤t_target, 0); /* Let it clean up */ |
258b763a | 753 | if (unpush_target (target_stack) == 1) |
c906108c SS |
754 | return; |
755 | ||
c5aa993b JM |
756 | fprintf_unfiltered (gdb_stderr, |
757 | "pop_target couldn't find target %s\n", | |
758 | current_target.to_shortname); | |
e2e0b3e5 | 759 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); |
c906108c SS |
760 | } |
761 | ||
9e35dae4 DJ |
762 | /* Using the objfile specified in BATON, find the address for the |
763 | current thread's thread-local storage with offset OFFSET. */ | |
764 | CORE_ADDR | |
765 | target_translate_tls_address (struct objfile *objfile, CORE_ADDR offset) | |
766 | { | |
767 | volatile CORE_ADDR addr = 0; | |
768 | ||
769 | if (target_get_thread_local_address_p () | |
770 | && gdbarch_fetch_tls_load_module_address_p (current_gdbarch)) | |
771 | { | |
772 | ptid_t ptid = inferior_ptid; | |
773 | volatile struct gdb_exception ex; | |
774 | ||
775 | TRY_CATCH (ex, RETURN_MASK_ALL) | |
776 | { | |
777 | CORE_ADDR lm_addr; | |
778 | ||
779 | /* Fetch the load module address for this objfile. */ | |
780 | lm_addr = gdbarch_fetch_tls_load_module_address (current_gdbarch, | |
781 | objfile); | |
782 | /* If it's 0, throw the appropriate exception. */ | |
783 | if (lm_addr == 0) | |
784 | throw_error (TLS_LOAD_MODULE_NOT_FOUND_ERROR, | |
785 | _("TLS load module not found")); | |
786 | ||
787 | addr = target_get_thread_local_address (ptid, lm_addr, offset); | |
788 | } | |
789 | /* If an error occurred, print TLS related messages here. Otherwise, | |
790 | throw the error to some higher catcher. */ | |
791 | if (ex.reason < 0) | |
792 | { | |
793 | int objfile_is_library = (objfile->flags & OBJF_SHARED); | |
794 | ||
795 | switch (ex.error) | |
796 | { | |
797 | case TLS_NO_LIBRARY_SUPPORT_ERROR: | |
798 | error (_("Cannot find thread-local variables in this thread library.")); | |
799 | break; | |
800 | case TLS_LOAD_MODULE_NOT_FOUND_ERROR: | |
801 | if (objfile_is_library) | |
802 | error (_("Cannot find shared library `%s' in dynamic" | |
803 | " linker's load module list"), objfile->name); | |
804 | else | |
805 | error (_("Cannot find executable file `%s' in dynamic" | |
806 | " linker's load module list"), objfile->name); | |
807 | break; | |
808 | case TLS_NOT_ALLOCATED_YET_ERROR: | |
809 | if (objfile_is_library) | |
810 | error (_("The inferior has not yet allocated storage for" | |
811 | " thread-local variables in\n" | |
812 | "the shared library `%s'\n" | |
813 | "for %s"), | |
814 | objfile->name, target_pid_to_str (ptid)); | |
815 | else | |
816 | error (_("The inferior has not yet allocated storage for" | |
817 | " thread-local variables in\n" | |
818 | "the executable `%s'\n" | |
819 | "for %s"), | |
820 | objfile->name, target_pid_to_str (ptid)); | |
821 | break; | |
822 | case TLS_GENERIC_ERROR: | |
823 | if (objfile_is_library) | |
824 | error (_("Cannot find thread-local storage for %s, " | |
825 | "shared library %s:\n%s"), | |
826 | target_pid_to_str (ptid), | |
827 | objfile->name, ex.message); | |
828 | else | |
829 | error (_("Cannot find thread-local storage for %s, " | |
830 | "executable file %s:\n%s"), | |
831 | target_pid_to_str (ptid), | |
832 | objfile->name, ex.message); | |
833 | break; | |
834 | default: | |
835 | throw_exception (ex); | |
836 | break; | |
837 | } | |
838 | } | |
839 | } | |
840 | /* It wouldn't be wrong here to try a gdbarch method, too; finding | |
841 | TLS is an ABI-specific thing. But we don't do that yet. */ | |
842 | else | |
843 | error (_("Cannot find thread-local variables on this target")); | |
844 | ||
845 | return addr; | |
846 | } | |
847 | ||
c906108c SS |
848 | #undef MIN |
849 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
850 | ||
851 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
852 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
853 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
854 | is responsible for freeing it. Return the number of bytes successfully | |
855 | read. */ | |
856 | ||
857 | int | |
fba45db2 | 858 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
859 | { |
860 | int tlen, origlen, offset, i; | |
1b0ba102 | 861 | gdb_byte buf[4]; |
c906108c SS |
862 | int errcode = 0; |
863 | char *buffer; | |
864 | int buffer_allocated; | |
865 | char *bufptr; | |
866 | unsigned int nbytes_read = 0; | |
867 | ||
868 | /* Small for testing. */ | |
869 | buffer_allocated = 4; | |
870 | buffer = xmalloc (buffer_allocated); | |
871 | bufptr = buffer; | |
872 | ||
873 | origlen = len; | |
874 | ||
875 | while (len > 0) | |
876 | { | |
877 | tlen = MIN (len, 4 - (memaddr & 3)); | |
878 | offset = memaddr & 3; | |
879 | ||
1b0ba102 | 880 | errcode = target_read_memory (memaddr & ~3, buf, sizeof buf); |
c906108c SS |
881 | if (errcode != 0) |
882 | { | |
883 | /* The transfer request might have crossed the boundary to an | |
884 | unallocated region of memory. Retry the transfer, requesting | |
885 | a single byte. */ | |
886 | tlen = 1; | |
887 | offset = 0; | |
b8eb5af0 | 888 | errcode = target_read_memory (memaddr, buf, 1); |
c906108c SS |
889 | if (errcode != 0) |
890 | goto done; | |
891 | } | |
892 | ||
893 | if (bufptr - buffer + tlen > buffer_allocated) | |
894 | { | |
895 | unsigned int bytes; | |
896 | bytes = bufptr - buffer; | |
897 | buffer_allocated *= 2; | |
898 | buffer = xrealloc (buffer, buffer_allocated); | |
899 | bufptr = buffer + bytes; | |
900 | } | |
901 | ||
902 | for (i = 0; i < tlen; i++) | |
903 | { | |
904 | *bufptr++ = buf[i + offset]; | |
905 | if (buf[i + offset] == '\000') | |
906 | { | |
907 | nbytes_read += i + 1; | |
908 | goto done; | |
909 | } | |
910 | } | |
911 | ||
912 | memaddr += tlen; | |
913 | len -= tlen; | |
914 | nbytes_read += tlen; | |
915 | } | |
c5aa993b | 916 | done: |
c906108c SS |
917 | if (errnop != NULL) |
918 | *errnop = errcode; | |
919 | if (string != NULL) | |
920 | *string = buffer; | |
921 | return nbytes_read; | |
922 | } | |
923 | ||
8db32d44 AC |
924 | /* Find a section containing ADDR. */ |
925 | struct section_table * | |
926 | target_section_by_addr (struct target_ops *target, CORE_ADDR addr) | |
927 | { | |
928 | struct section_table *secp; | |
929 | for (secp = target->to_sections; | |
930 | secp < target->to_sections_end; | |
931 | secp++) | |
932 | { | |
933 | if (addr >= secp->addr && addr < secp->endaddr) | |
934 | return secp; | |
935 | } | |
936 | return NULL; | |
937 | } | |
938 | ||
cf7a04e8 DJ |
939 | /* Perform a partial memory transfer. The arguments and return |
940 | value are just as for target_xfer_partial. */ | |
941 | ||
942 | static LONGEST | |
943 | memory_xfer_partial (struct target_ops *ops, void *readbuf, const void *writebuf, | |
944 | ULONGEST memaddr, LONGEST len) | |
0779438d | 945 | { |
cf7a04e8 DJ |
946 | LONGEST res; |
947 | int reg_len; | |
948 | struct mem_region *region; | |
949 | ||
950 | /* Zero length requests are ok and require no work. */ | |
951 | if (len == 0) | |
952 | return 0; | |
953 | ||
954 | /* Try the executable file, if "trust-readonly-sections" is set. */ | |
955 | if (readbuf != NULL && trust_readonly) | |
956 | { | |
957 | struct section_table *secp; | |
958 | ||
959 | secp = target_section_by_addr (ops, memaddr); | |
960 | if (secp != NULL | |
961 | && (bfd_get_section_flags (secp->bfd, secp->the_bfd_section) | |
962 | & SEC_READONLY)) | |
963 | return xfer_memory (memaddr, readbuf, len, 0, NULL, ops); | |
964 | } | |
965 | ||
966 | /* Try GDB's internal data cache. */ | |
967 | region = lookup_mem_region (memaddr); | |
968 | if (memaddr + len < region->hi) | |
969 | reg_len = len; | |
970 | else | |
971 | reg_len = region->hi - memaddr; | |
972 | ||
973 | switch (region->attrib.mode) | |
974 | { | |
975 | case MEM_RO: | |
976 | if (writebuf != NULL) | |
977 | return -1; | |
978 | break; | |
979 | ||
980 | case MEM_WO: | |
981 | if (readbuf != NULL) | |
982 | return -1; | |
983 | break; | |
a76d924d DJ |
984 | |
985 | case MEM_FLASH: | |
986 | /* We only support writing to flash during "load" for now. */ | |
987 | if (writebuf != NULL) | |
988 | error (_("Writing to flash memory forbidden in this context")); | |
989 | break; | |
cf7a04e8 DJ |
990 | } |
991 | ||
992 | if (region->attrib.cache) | |
993 | { | |
994 | /* FIXME drow/2006-08-09: This call discards OPS, so the raw | |
995 | memory request will start back at current_target. */ | |
996 | if (readbuf != NULL) | |
997 | res = dcache_xfer_memory (target_dcache, memaddr, readbuf, | |
998 | reg_len, 0); | |
999 | else | |
1000 | /* FIXME drow/2006-08-09: If we're going to preserve const | |
1001 | correctness dcache_xfer_memory should take readbuf and | |
1002 | writebuf. */ | |
1003 | res = dcache_xfer_memory (target_dcache, memaddr, | |
1004 | (void *) writebuf, | |
1005 | reg_len, 1); | |
1006 | if (res <= 0) | |
1007 | return -1; | |
1008 | else | |
1009 | return res; | |
1010 | } | |
1011 | ||
1012 | /* If none of those methods found the memory we wanted, fall back | |
1013 | to a target partial transfer. Normally a single call to | |
1014 | to_xfer_partial is enough; if it doesn't recognize an object | |
1015 | it will call the to_xfer_partial of the next target down. | |
1016 | But for memory this won't do. Memory is the only target | |
1017 | object which can be read from more than one valid target. | |
1018 | A core file, for instance, could have some of memory but | |
1019 | delegate other bits to the target below it. So, we must | |
1020 | manually try all targets. */ | |
1021 | ||
1022 | do | |
1023 | { | |
1024 | res = ops->to_xfer_partial (ops, TARGET_OBJECT_MEMORY, NULL, | |
1025 | readbuf, writebuf, memaddr, len); | |
1026 | if (res > 0) | |
1027 | return res; | |
1028 | ||
1029 | ops = ops->beneath; | |
1030 | } | |
1031 | while (ops != NULL); | |
1032 | ||
1033 | /* If we still haven't got anything, return the last error. We | |
1034 | give up. */ | |
1035 | return res; | |
0779438d AC |
1036 | } |
1037 | ||
27394598 AC |
1038 | static LONGEST |
1039 | target_xfer_partial (struct target_ops *ops, | |
1040 | enum target_object object, const char *annex, | |
1041 | void *readbuf, const void *writebuf, | |
1042 | ULONGEST offset, LONGEST len) | |
1043 | { | |
1044 | LONGEST retval; | |
1045 | ||
1046 | gdb_assert (ops->to_xfer_partial != NULL); | |
cf7a04e8 DJ |
1047 | |
1048 | /* If this is a memory transfer, let the memory-specific code | |
1049 | have a look at it instead. Memory transfers are more | |
1050 | complicated. */ | |
1051 | if (object == TARGET_OBJECT_MEMORY) | |
1052 | retval = memory_xfer_partial (ops, readbuf, writebuf, offset, len); | |
1053 | else | |
1054 | { | |
1055 | enum target_object raw_object = object; | |
1056 | ||
1057 | /* If this is a raw memory transfer, request the normal | |
1058 | memory object from other layers. */ | |
1059 | if (raw_object == TARGET_OBJECT_RAW_MEMORY) | |
1060 | raw_object = TARGET_OBJECT_MEMORY; | |
1061 | ||
1062 | retval = ops->to_xfer_partial (ops, raw_object, annex, readbuf, | |
1063 | writebuf, offset, len); | |
1064 | } | |
1065 | ||
27394598 AC |
1066 | if (targetdebug) |
1067 | { | |
1068 | const unsigned char *myaddr = NULL; | |
1069 | ||
1070 | fprintf_unfiltered (gdb_stdlog, | |
1071 | "%s:target_xfer_partial (%d, %s, 0x%lx, 0x%lx, 0x%s, %s) = %s", | |
1072 | ops->to_shortname, | |
1073 | (int) object, | |
1074 | (annex ? annex : "(null)"), | |
1075 | (long) readbuf, (long) writebuf, | |
1076 | paddr_nz (offset), paddr_d (len), paddr_d (retval)); | |
1077 | ||
1078 | if (readbuf) | |
1079 | myaddr = readbuf; | |
1080 | if (writebuf) | |
1081 | myaddr = writebuf; | |
1082 | if (retval > 0 && myaddr != NULL) | |
1083 | { | |
1084 | int i; | |
2bc416ba | 1085 | |
27394598 AC |
1086 | fputs_unfiltered (", bytes =", gdb_stdlog); |
1087 | for (i = 0; i < retval; i++) | |
1088 | { | |
1089 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
1090 | { | |
1091 | if (targetdebug < 2 && i > 0) | |
1092 | { | |
1093 | fprintf_unfiltered (gdb_stdlog, " ..."); | |
1094 | break; | |
1095 | } | |
1096 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
1097 | } | |
2bc416ba | 1098 | |
27394598 AC |
1099 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); |
1100 | } | |
1101 | } | |
2bc416ba | 1102 | |
27394598 AC |
1103 | fputc_unfiltered ('\n', gdb_stdlog); |
1104 | } | |
1105 | return retval; | |
1106 | } | |
1107 | ||
c906108c SS |
1108 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in |
1109 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
1110 | if any error occurs. | |
1111 | ||
1112 | If an error occurs, no guarantee is made about the contents of the data at | |
1113 | MYADDR. In particular, the caller should not depend upon partial reads | |
1114 | filling the buffer with good data. There is no way for the caller to know | |
1115 | how much good data might have been transfered anyway. Callers that can | |
cf7a04e8 DJ |
1116 | deal with partial reads should call target_read (which will retry until |
1117 | it makes no progress, and then return how much was transferred). */ | |
c906108c SS |
1118 | |
1119 | int | |
fc1a4b47 | 1120 | target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len) |
c906108c | 1121 | { |
cf7a04e8 DJ |
1122 | if (target_read (¤t_target, TARGET_OBJECT_MEMORY, NULL, |
1123 | myaddr, memaddr, len) == len) | |
1124 | return 0; | |
0779438d | 1125 | else |
cf7a04e8 | 1126 | return EIO; |
c906108c SS |
1127 | } |
1128 | ||
c906108c | 1129 | int |
fc1a4b47 | 1130 | target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len) |
c906108c | 1131 | { |
cf7a04e8 DJ |
1132 | if (target_write (¤t_target, TARGET_OBJECT_MEMORY, NULL, |
1133 | myaddr, memaddr, len) == len) | |
1134 | return 0; | |
0779438d | 1135 | else |
cf7a04e8 | 1136 | return EIO; |
c906108c | 1137 | } |
c5aa993b | 1138 | |
fd79ecee DJ |
1139 | /* Fetch the target's memory map. */ |
1140 | ||
1141 | VEC(mem_region_s) * | |
1142 | target_memory_map (void) | |
1143 | { | |
1144 | VEC(mem_region_s) *result; | |
1145 | struct mem_region *last_one, *this_one; | |
1146 | int ix; | |
1147 | struct target_ops *t; | |
1148 | ||
1149 | if (targetdebug) | |
1150 | fprintf_unfiltered (gdb_stdlog, "target_memory_map ()\n"); | |
1151 | ||
1152 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1153 | if (t->to_memory_map != NULL) | |
1154 | break; | |
1155 | ||
1156 | if (t == NULL) | |
1157 | return NULL; | |
1158 | ||
1159 | result = t->to_memory_map (t); | |
1160 | if (result == NULL) | |
1161 | return NULL; | |
1162 | ||
1163 | qsort (VEC_address (mem_region_s, result), | |
1164 | VEC_length (mem_region_s, result), | |
1165 | sizeof (struct mem_region), mem_region_cmp); | |
1166 | ||
1167 | /* Check that regions do not overlap. Simultaneously assign | |
1168 | a numbering for the "mem" commands to use to refer to | |
1169 | each region. */ | |
1170 | last_one = NULL; | |
1171 | for (ix = 0; VEC_iterate (mem_region_s, result, ix, this_one); ix++) | |
1172 | { | |
1173 | this_one->number = ix; | |
1174 | ||
1175 | if (last_one && last_one->hi > this_one->lo) | |
1176 | { | |
1177 | warning (_("Overlapping regions in memory map: ignoring")); | |
1178 | VEC_free (mem_region_s, result); | |
1179 | return NULL; | |
1180 | } | |
1181 | last_one = this_one; | |
1182 | } | |
1183 | ||
1184 | return result; | |
1185 | } | |
1186 | ||
a76d924d DJ |
1187 | void |
1188 | target_flash_erase (ULONGEST address, LONGEST length) | |
1189 | { | |
1190 | struct target_ops *t; | |
1191 | ||
1192 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1193 | if (t->to_flash_erase != NULL) | |
1194 | { | |
1195 | if (targetdebug) | |
1196 | fprintf_unfiltered (gdb_stdlog, "target_flash_erase (%s, %s)\n", | |
1197 | paddr (address), phex (length, 0)); | |
1198 | return t->to_flash_erase (t, address, length); | |
1199 | } | |
1200 | ||
1201 | tcomplain (); | |
1202 | } | |
1203 | ||
1204 | void | |
1205 | target_flash_done (void) | |
1206 | { | |
1207 | struct target_ops *t; | |
1208 | ||
1209 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1210 | if (t->to_flash_done != NULL) | |
1211 | { | |
1212 | if (targetdebug) | |
1213 | fprintf_unfiltered (gdb_stdlog, "target_flash_done\n"); | |
1214 | return t->to_flash_done (t); | |
1215 | } | |
1216 | ||
1217 | tcomplain (); | |
1218 | } | |
1219 | ||
4aa7a7f5 JJ |
1220 | #ifndef target_stopped_data_address_p |
1221 | int | |
1222 | target_stopped_data_address_p (struct target_ops *target) | |
1223 | { | |
aa869812 AC |
1224 | if (target->to_stopped_data_address |
1225 | == (int (*) (struct target_ops *, CORE_ADDR *)) return_zero) | |
4aa7a7f5 | 1226 | return 0; |
aa869812 AC |
1227 | if (target->to_stopped_data_address == debug_to_stopped_data_address |
1228 | && (debug_target.to_stopped_data_address | |
1229 | == (int (*) (struct target_ops *, CORE_ADDR *)) return_zero)) | |
1230 | return 0; | |
1231 | return 1; | |
4aa7a7f5 JJ |
1232 | } |
1233 | #endif | |
1234 | ||
920d2a44 AC |
1235 | static void |
1236 | show_trust_readonly (struct ui_file *file, int from_tty, | |
1237 | struct cmd_list_element *c, const char *value) | |
1238 | { | |
1239 | fprintf_filtered (file, _("\ | |
1240 | Mode for reading from readonly sections is %s.\n"), | |
1241 | value); | |
1242 | } | |
3a11626d | 1243 | |
1e3ff5ad AC |
1244 | /* More generic transfers. */ |
1245 | ||
0088c768 | 1246 | static LONGEST |
8aa91c1e | 1247 | default_xfer_partial (struct target_ops *ops, enum target_object object, |
2bc416ba | 1248 | const char *annex, gdb_byte *readbuf, |
1b0ba102 | 1249 | const gdb_byte *writebuf, ULONGEST offset, LONGEST len) |
0088c768 AC |
1250 | { |
1251 | if (object == TARGET_OBJECT_MEMORY | |
c8e73a31 AC |
1252 | && ops->deprecated_xfer_memory != NULL) |
1253 | /* If available, fall back to the target's | |
1254 | "deprecated_xfer_memory" method. */ | |
0088c768 | 1255 | { |
4b8a223f | 1256 | int xfered = -1; |
0088c768 | 1257 | errno = 0; |
4b8a223f AC |
1258 | if (writebuf != NULL) |
1259 | { | |
1260 | void *buffer = xmalloc (len); | |
1261 | struct cleanup *cleanup = make_cleanup (xfree, buffer); | |
1262 | memcpy (buffer, writebuf, len); | |
c8e73a31 AC |
1263 | xfered = ops->deprecated_xfer_memory (offset, buffer, len, |
1264 | 1/*write*/, NULL, ops); | |
4b8a223f AC |
1265 | do_cleanups (cleanup); |
1266 | } | |
1267 | if (readbuf != NULL) | |
c8e73a31 AC |
1268 | xfered = ops->deprecated_xfer_memory (offset, readbuf, len, 0/*read*/, |
1269 | NULL, ops); | |
0088c768 AC |
1270 | if (xfered > 0) |
1271 | return xfered; | |
1272 | else if (xfered == 0 && errno == 0) | |
c8e73a31 AC |
1273 | /* "deprecated_xfer_memory" uses 0, cross checked against |
1274 | ERRNO as one indication of an error. */ | |
0088c768 AC |
1275 | return 0; |
1276 | else | |
1277 | return -1; | |
1278 | } | |
1279 | else if (ops->beneath != NULL) | |
cf7a04e8 DJ |
1280 | return ops->beneath->to_xfer_partial (ops->beneath, object, annex, |
1281 | readbuf, writebuf, offset, len); | |
1282 | else | |
1283 | return -1; | |
1284 | } | |
1285 | ||
1286 | /* The xfer_partial handler for the topmost target. Unlike the default, | |
1287 | it does not need to handle memory specially; it just passes all | |
1288 | requests down the stack. */ | |
1289 | ||
1290 | static LONGEST | |
1291 | current_xfer_partial (struct target_ops *ops, enum target_object object, | |
1292 | const char *annex, gdb_byte *readbuf, | |
1293 | const gdb_byte *writebuf, ULONGEST offset, LONGEST len) | |
1294 | { | |
1295 | if (ops->beneath != NULL) | |
1296 | return ops->beneath->to_xfer_partial (ops->beneath, object, annex, | |
1297 | readbuf, writebuf, offset, len); | |
0088c768 AC |
1298 | else |
1299 | return -1; | |
1300 | } | |
1301 | ||
1302 | /* Target vector read/write partial wrapper functions. | |
1303 | ||
1304 | NOTE: cagney/2003-10-21: I wonder if having "to_xfer_partial | |
1305 | (inbuf, outbuf)", instead of separate read/write methods, make life | |
1306 | easier. */ | |
1307 | ||
13547ab6 | 1308 | static LONGEST |
1e3ff5ad AC |
1309 | target_read_partial (struct target_ops *ops, |
1310 | enum target_object object, | |
1b0ba102 | 1311 | const char *annex, gdb_byte *buf, |
1e3ff5ad AC |
1312 | ULONGEST offset, LONGEST len) |
1313 | { | |
27394598 | 1314 | return target_xfer_partial (ops, object, annex, buf, NULL, offset, len); |
1e3ff5ad AC |
1315 | } |
1316 | ||
13547ab6 | 1317 | static LONGEST |
1e3ff5ad AC |
1318 | target_write_partial (struct target_ops *ops, |
1319 | enum target_object object, | |
1b0ba102 | 1320 | const char *annex, const gdb_byte *buf, |
1e3ff5ad AC |
1321 | ULONGEST offset, LONGEST len) |
1322 | { | |
27394598 | 1323 | return target_xfer_partial (ops, object, annex, NULL, buf, offset, len); |
1e3ff5ad AC |
1324 | } |
1325 | ||
1326 | /* Wrappers to perform the full transfer. */ | |
1327 | LONGEST | |
1328 | target_read (struct target_ops *ops, | |
1329 | enum target_object object, | |
1b0ba102 | 1330 | const char *annex, gdb_byte *buf, |
1e3ff5ad AC |
1331 | ULONGEST offset, LONGEST len) |
1332 | { | |
1333 | LONGEST xfered = 0; | |
1334 | while (xfered < len) | |
1335 | { | |
0088c768 | 1336 | LONGEST xfer = target_read_partial (ops, object, annex, |
fc1a4b47 | 1337 | (gdb_byte *) buf + xfered, |
0088c768 | 1338 | offset + xfered, len - xfered); |
1e3ff5ad | 1339 | /* Call an observer, notifying them of the xfer progress? */ |
13547ab6 DJ |
1340 | if (xfer == 0) |
1341 | return xfered; | |
1342 | if (xfer < 0) | |
0088c768 | 1343 | return -1; |
1e3ff5ad AC |
1344 | xfered += xfer; |
1345 | QUIT; | |
1346 | } | |
1347 | return len; | |
1348 | } | |
1349 | ||
cf7a04e8 DJ |
1350 | /* An alternative to target_write with progress callbacks. */ |
1351 | ||
1e3ff5ad | 1352 | LONGEST |
cf7a04e8 DJ |
1353 | target_write_with_progress (struct target_ops *ops, |
1354 | enum target_object object, | |
1355 | const char *annex, const gdb_byte *buf, | |
1356 | ULONGEST offset, LONGEST len, | |
1357 | void (*progress) (ULONGEST, void *), void *baton) | |
1e3ff5ad AC |
1358 | { |
1359 | LONGEST xfered = 0; | |
a76d924d DJ |
1360 | |
1361 | /* Give the progress callback a chance to set up. */ | |
1362 | if (progress) | |
1363 | (*progress) (0, baton); | |
1364 | ||
1e3ff5ad AC |
1365 | while (xfered < len) |
1366 | { | |
1367 | LONGEST xfer = target_write_partial (ops, object, annex, | |
fc1a4b47 | 1368 | (gdb_byte *) buf + xfered, |
1e3ff5ad | 1369 | offset + xfered, len - xfered); |
cf7a04e8 | 1370 | |
13547ab6 DJ |
1371 | if (xfer == 0) |
1372 | return xfered; | |
1373 | if (xfer < 0) | |
0088c768 | 1374 | return -1; |
cf7a04e8 DJ |
1375 | |
1376 | if (progress) | |
1377 | (*progress) (xfer, baton); | |
1378 | ||
1e3ff5ad AC |
1379 | xfered += xfer; |
1380 | QUIT; | |
1381 | } | |
1382 | return len; | |
1383 | } | |
1384 | ||
cf7a04e8 DJ |
1385 | LONGEST |
1386 | target_write (struct target_ops *ops, | |
1387 | enum target_object object, | |
1388 | const char *annex, const gdb_byte *buf, | |
1389 | ULONGEST offset, LONGEST len) | |
1390 | { | |
1391 | return target_write_with_progress (ops, object, annex, buf, offset, len, | |
1392 | NULL, NULL); | |
1393 | } | |
1394 | ||
159f81f3 DJ |
1395 | /* Read OBJECT/ANNEX using OPS. Store the result in *BUF_P and return |
1396 | the size of the transferred data. PADDING additional bytes are | |
1397 | available in *BUF_P. This is a helper function for | |
1398 | target_read_alloc; see the declaration of that function for more | |
1399 | information. */ | |
13547ab6 | 1400 | |
159f81f3 DJ |
1401 | static LONGEST |
1402 | target_read_alloc_1 (struct target_ops *ops, enum target_object object, | |
1403 | const char *annex, gdb_byte **buf_p, int padding) | |
13547ab6 DJ |
1404 | { |
1405 | size_t buf_alloc, buf_pos; | |
1406 | gdb_byte *buf; | |
1407 | LONGEST n; | |
1408 | ||
1409 | /* This function does not have a length parameter; it reads the | |
1410 | entire OBJECT). Also, it doesn't support objects fetched partly | |
1411 | from one target and partly from another (in a different stratum, | |
1412 | e.g. a core file and an executable). Both reasons make it | |
1413 | unsuitable for reading memory. */ | |
1414 | gdb_assert (object != TARGET_OBJECT_MEMORY); | |
1415 | ||
1416 | /* Start by reading up to 4K at a time. The target will throttle | |
1417 | this number down if necessary. */ | |
1418 | buf_alloc = 4096; | |
1419 | buf = xmalloc (buf_alloc); | |
1420 | buf_pos = 0; | |
1421 | while (1) | |
1422 | { | |
1423 | n = target_read_partial (ops, object, annex, &buf[buf_pos], | |
159f81f3 | 1424 | buf_pos, buf_alloc - buf_pos - padding); |
13547ab6 DJ |
1425 | if (n < 0) |
1426 | { | |
1427 | /* An error occurred. */ | |
1428 | xfree (buf); | |
1429 | return -1; | |
1430 | } | |
1431 | else if (n == 0) | |
1432 | { | |
1433 | /* Read all there was. */ | |
1434 | if (buf_pos == 0) | |
1435 | xfree (buf); | |
1436 | else | |
1437 | *buf_p = buf; | |
1438 | return buf_pos; | |
1439 | } | |
1440 | ||
1441 | buf_pos += n; | |
1442 | ||
1443 | /* If the buffer is filling up, expand it. */ | |
1444 | if (buf_alloc < buf_pos * 2) | |
1445 | { | |
1446 | buf_alloc *= 2; | |
1447 | buf = xrealloc (buf, buf_alloc); | |
1448 | } | |
1449 | ||
1450 | QUIT; | |
1451 | } | |
1452 | } | |
1453 | ||
159f81f3 DJ |
1454 | /* Read OBJECT/ANNEX using OPS. Store the result in *BUF_P and return |
1455 | the size of the transferred data. See the declaration in "target.h" | |
1456 | function for more information about the return value. */ | |
1457 | ||
1458 | LONGEST | |
1459 | target_read_alloc (struct target_ops *ops, enum target_object object, | |
1460 | const char *annex, gdb_byte **buf_p) | |
1461 | { | |
1462 | return target_read_alloc_1 (ops, object, annex, buf_p, 0); | |
1463 | } | |
1464 | ||
1465 | /* Read OBJECT/ANNEX using OPS. The result is NUL-terminated and | |
1466 | returned as a string, allocated using xmalloc. If an error occurs | |
1467 | or the transfer is unsupported, NULL is returned. Empty objects | |
1468 | are returned as allocated but empty strings. A warning is issued | |
1469 | if the result contains any embedded NUL bytes. */ | |
1470 | ||
1471 | char * | |
1472 | target_read_stralloc (struct target_ops *ops, enum target_object object, | |
1473 | const char *annex) | |
1474 | { | |
1475 | gdb_byte *buffer; | |
1476 | LONGEST transferred; | |
1477 | ||
1478 | transferred = target_read_alloc_1 (ops, object, annex, &buffer, 1); | |
1479 | ||
1480 | if (transferred < 0) | |
1481 | return NULL; | |
1482 | ||
1483 | if (transferred == 0) | |
1484 | return xstrdup (""); | |
1485 | ||
1486 | buffer[transferred] = 0; | |
1487 | if (strlen (buffer) < transferred) | |
1488 | warning (_("target object %d, annex %s, " | |
1489 | "contained unexpected null characters"), | |
1490 | (int) object, annex ? annex : "(none)"); | |
1491 | ||
1492 | return (char *) buffer; | |
1493 | } | |
1494 | ||
b6591e8b AC |
1495 | /* Memory transfer methods. */ |
1496 | ||
1497 | void | |
1b0ba102 | 1498 | get_target_memory (struct target_ops *ops, CORE_ADDR addr, gdb_byte *buf, |
b6591e8b AC |
1499 | LONGEST len) |
1500 | { | |
1501 | if (target_read (ops, TARGET_OBJECT_MEMORY, NULL, buf, addr, len) | |
1502 | != len) | |
1503 | memory_error (EIO, addr); | |
1504 | } | |
1505 | ||
1506 | ULONGEST | |
1507 | get_target_memory_unsigned (struct target_ops *ops, | |
1508 | CORE_ADDR addr, int len) | |
1509 | { | |
f6519ebc | 1510 | gdb_byte buf[sizeof (ULONGEST)]; |
b6591e8b AC |
1511 | |
1512 | gdb_assert (len <= sizeof (buf)); | |
1513 | get_target_memory (ops, addr, buf, len); | |
1514 | return extract_unsigned_integer (buf, len); | |
1515 | } | |
1516 | ||
c906108c | 1517 | static void |
fba45db2 | 1518 | target_info (char *args, int from_tty) |
c906108c SS |
1519 | { |
1520 | struct target_ops *t; | |
c906108c | 1521 | int has_all_mem = 0; |
c5aa993b | 1522 | |
c906108c | 1523 | if (symfile_objfile != NULL) |
a3f17187 | 1524 | printf_unfiltered (_("Symbols from \"%s\".\n"), symfile_objfile->name); |
c906108c | 1525 | |
258b763a | 1526 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 1527 | { |
c906108c SS |
1528 | if (!t->to_has_memory) |
1529 | continue; | |
1530 | ||
c5aa993b | 1531 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1532 | continue; |
1533 | if (has_all_mem) | |
a3f17187 | 1534 | printf_unfiltered (_("\tWhile running this, GDB does not access memory from...\n")); |
c5aa993b JM |
1535 | printf_unfiltered ("%s:\n", t->to_longname); |
1536 | (t->to_files_info) (t); | |
c906108c SS |
1537 | has_all_mem = t->to_has_all_memory; |
1538 | } | |
1539 | } | |
1540 | ||
fd79ecee DJ |
1541 | /* This function is called before any new inferior is created, e.g. |
1542 | by running a program, attaching, or connecting to a target. | |
1543 | It cleans up any state from previous invocations which might | |
1544 | change between runs. This is a subset of what target_preopen | |
1545 | resets (things which might change between targets). */ | |
1546 | ||
1547 | void | |
1548 | target_pre_inferior (int from_tty) | |
1549 | { | |
1550 | invalidate_target_mem_regions (); | |
1551 | } | |
1552 | ||
c906108c SS |
1553 | /* This is to be called by the open routine before it does |
1554 | anything. */ | |
1555 | ||
1556 | void | |
fba45db2 | 1557 | target_preopen (int from_tty) |
c906108c | 1558 | { |
c5aa993b | 1559 | dont_repeat (); |
c906108c SS |
1560 | |
1561 | if (target_has_execution) | |
c5aa993b | 1562 | { |
adf40b2e | 1563 | if (!from_tty |
e2e0b3e5 | 1564 | || query (_("A program is being debugged already. Kill it? "))) |
c5aa993b | 1565 | target_kill (); |
c906108c | 1566 | else |
8a3fe4f8 | 1567 | error (_("Program not killed.")); |
c906108c SS |
1568 | } |
1569 | ||
1570 | /* Calling target_kill may remove the target from the stack. But if | |
1571 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1572 | ||
1573 | if (target_has_execution) | |
1574 | pop_target (); | |
fd79ecee DJ |
1575 | |
1576 | target_pre_inferior (from_tty); | |
c906108c SS |
1577 | } |
1578 | ||
1579 | /* Detach a target after doing deferred register stores. */ | |
1580 | ||
1581 | void | |
fba45db2 | 1582 | target_detach (char *args, int from_tty) |
c906108c | 1583 | { |
c906108c SS |
1584 | (current_target.to_detach) (args, from_tty); |
1585 | } | |
1586 | ||
6ad8ae5c DJ |
1587 | void |
1588 | target_disconnect (char *args, int from_tty) | |
1589 | { | |
597320e7 DJ |
1590 | struct target_ops *t; |
1591 | ||
1592 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1593 | if (t->to_disconnect != NULL) | |
1594 | { | |
1595 | if (targetdebug) | |
1596 | fprintf_unfiltered (gdb_stdlog, "target_disconnect (%s, %d)\n", | |
1597 | args, from_tty); | |
1598 | t->to_disconnect (t, args, from_tty); | |
1599 | return; | |
1600 | } | |
1601 | ||
1602 | tcomplain (); | |
6ad8ae5c DJ |
1603 | } |
1604 | ||
ed9a39eb JM |
1605 | int |
1606 | target_async_mask (int mask) | |
1607 | { | |
1608 | int saved_async_masked_status = target_async_mask_value; | |
1609 | target_async_mask_value = mask; | |
1610 | return saved_async_masked_status; | |
1611 | } | |
1612 | ||
ee057212 DJ |
1613 | /* Look through the list of possible targets for a target that can |
1614 | follow forks. */ | |
1615 | ||
1616 | int | |
1617 | target_follow_fork (int follow_child) | |
1618 | { | |
1619 | struct target_ops *t; | |
1620 | ||
1621 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1622 | { | |
1623 | if (t->to_follow_fork != NULL) | |
1624 | { | |
1625 | int retval = t->to_follow_fork (t, follow_child); | |
1626 | if (targetdebug) | |
1627 | fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n", | |
1628 | follow_child, retval); | |
1629 | return retval; | |
1630 | } | |
1631 | } | |
1632 | ||
1633 | /* Some target returned a fork event, but did not know how to follow it. */ | |
1634 | internal_error (__FILE__, __LINE__, | |
1635 | "could not find a target to follow fork"); | |
1636 | } | |
1637 | ||
c906108c SS |
1638 | /* Look through the list of possible targets for a target that can |
1639 | execute a run or attach command without any other data. This is | |
1640 | used to locate the default process stratum. | |
1641 | ||
1642 | Result is always valid (error() is called for errors). */ | |
1643 | ||
1644 | static struct target_ops * | |
fba45db2 | 1645 | find_default_run_target (char *do_mesg) |
c906108c SS |
1646 | { |
1647 | struct target_ops **t; | |
1648 | struct target_ops *runable = NULL; | |
1649 | int count; | |
1650 | ||
1651 | count = 0; | |
1652 | ||
1653 | for (t = target_structs; t < target_structs + target_struct_size; | |
1654 | ++t) | |
1655 | { | |
c5aa993b | 1656 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1657 | { |
1658 | runable = *t; | |
1659 | ++count; | |
1660 | } | |
1661 | } | |
1662 | ||
1663 | if (count != 1) | |
8a3fe4f8 | 1664 | error (_("Don't know how to %s. Try \"help target\"."), do_mesg); |
c906108c SS |
1665 | |
1666 | return runable; | |
1667 | } | |
1668 | ||
1669 | void | |
fba45db2 | 1670 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1671 | { |
1672 | struct target_ops *t; | |
1673 | ||
c5aa993b | 1674 | t = find_default_run_target ("attach"); |
c906108c SS |
1675 | (t->to_attach) (args, from_tty); |
1676 | return; | |
1677 | } | |
1678 | ||
c906108c | 1679 | void |
c27cda74 AC |
1680 | find_default_create_inferior (char *exec_file, char *allargs, char **env, |
1681 | int from_tty) | |
c906108c SS |
1682 | { |
1683 | struct target_ops *t; | |
1684 | ||
c5aa993b | 1685 | t = find_default_run_target ("run"); |
c27cda74 | 1686 | (t->to_create_inferior) (exec_file, allargs, env, from_tty); |
c906108c SS |
1687 | return; |
1688 | } | |
1689 | ||
e0d24f8d WZ |
1690 | static int |
1691 | default_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len) | |
1692 | { | |
2a3cdf79 | 1693 | return (len <= TYPE_LENGTH (builtin_type_void_data_ptr)); |
ccaa32c7 GS |
1694 | } |
1695 | ||
c906108c | 1696 | static int |
fba45db2 | 1697 | return_zero (void) |
c906108c SS |
1698 | { |
1699 | return 0; | |
1700 | } | |
1701 | ||
1702 | static int | |
fba45db2 | 1703 | return_one (void) |
c906108c SS |
1704 | { |
1705 | return 1; | |
1706 | } | |
1707 | ||
ccaa32c7 GS |
1708 | static int |
1709 | return_minus_one (void) | |
1710 | { | |
1711 | return -1; | |
1712 | } | |
1713 | ||
6426a772 JM |
1714 | /* |
1715 | * Resize the to_sections pointer. Also make sure that anyone that | |
1716 | * was holding on to an old value of it gets updated. | |
1717 | * Returns the old size. | |
1718 | */ | |
1719 | ||
1720 | int | |
1721 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1722 | { | |
1723 | struct target_ops **t; | |
1724 | struct section_table *old_value; | |
1725 | int old_count; | |
1726 | ||
1727 | old_value = target->to_sections; | |
1728 | ||
1729 | if (target->to_sections) | |
1730 | { | |
1731 | old_count = target->to_sections_end - target->to_sections; | |
1732 | target->to_sections = (struct section_table *) | |
1733 | xrealloc ((char *) target->to_sections, | |
1734 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1735 | } | |
1736 | else | |
1737 | { | |
1738 | old_count = 0; | |
1739 | target->to_sections = (struct section_table *) | |
1740 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1741 | } | |
1742 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1743 | ||
1744 | /* Check to see if anyone else was pointing to this structure. | |
1745 | If old_value was null, then no one was. */ | |
2bc416ba | 1746 | |
6426a772 JM |
1747 | if (old_value) |
1748 | { | |
1749 | for (t = target_structs; t < target_structs + target_struct_size; | |
1750 | ++t) | |
1751 | { | |
1752 | if ((*t)->to_sections == old_value) | |
1753 | { | |
1754 | (*t)->to_sections = target->to_sections; | |
1755 | (*t)->to_sections_end = target->to_sections_end; | |
1756 | } | |
1757 | } | |
e354df01 NW |
1758 | /* There is a flattened view of the target stack in current_target, |
1759 | so its to_sections pointer might also need updating. */ | |
1760 | if (current_target.to_sections == old_value) | |
1761 | { | |
1762 | current_target.to_sections = target->to_sections; | |
1763 | current_target.to_sections_end = target->to_sections_end; | |
1764 | } | |
6426a772 | 1765 | } |
2bc416ba | 1766 | |
6426a772 JM |
1767 | return old_count; |
1768 | ||
1769 | } | |
1770 | ||
07cd4b97 JB |
1771 | /* Remove all target sections taken from ABFD. |
1772 | ||
1773 | Scan the current target stack for targets whose section tables | |
1774 | refer to sections from BFD, and remove those sections. We use this | |
1775 | when we notice that the inferior has unloaded a shared object, for | |
1776 | example. */ | |
1777 | void | |
1778 | remove_target_sections (bfd *abfd) | |
1779 | { | |
1780 | struct target_ops **t; | |
1781 | ||
1782 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1783 | { | |
1784 | struct section_table *src, *dest; | |
1785 | ||
1786 | dest = (*t)->to_sections; | |
1787 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1788 | if (src->bfd != abfd) | |
1789 | { | |
1790 | /* Keep this section. */ | |
1791 | if (dest < src) *dest = *src; | |
1792 | dest++; | |
1793 | } | |
1794 | ||
1795 | /* If we've dropped any sections, resize the section table. */ | |
1796 | if (dest < src) | |
1797 | target_resize_to_sections (*t, dest - src); | |
1798 | } | |
1799 | } | |
1800 | ||
1801 | ||
1802 | ||
1803 | ||
7a292a7a SS |
1804 | /* Find a single runnable target in the stack and return it. If for |
1805 | some reason there is more than one, return NULL. */ | |
1806 | ||
1807 | struct target_ops * | |
fba45db2 | 1808 | find_run_target (void) |
7a292a7a SS |
1809 | { |
1810 | struct target_ops **t; | |
1811 | struct target_ops *runable = NULL; | |
1812 | int count; | |
c5aa993b | 1813 | |
7a292a7a | 1814 | count = 0; |
c5aa993b | 1815 | |
7a292a7a SS |
1816 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1817 | { | |
c5aa993b | 1818 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1819 | { |
1820 | runable = *t; | |
1821 | ++count; | |
1822 | } | |
1823 | } | |
c5aa993b | 1824 | |
7a292a7a SS |
1825 | return (count == 1 ? runable : NULL); |
1826 | } | |
1827 | ||
ed9a39eb JM |
1828 | /* Find a single core_stratum target in the list of targets and return it. |
1829 | If for some reason there is more than one, return NULL. */ | |
1830 | ||
c906108c | 1831 | struct target_ops * |
fba45db2 | 1832 | find_core_target (void) |
c906108c SS |
1833 | { |
1834 | struct target_ops **t; | |
1835 | struct target_ops *runable = NULL; | |
1836 | int count; | |
c5aa993b | 1837 | |
c906108c | 1838 | count = 0; |
c5aa993b | 1839 | |
c906108c SS |
1840 | for (t = target_structs; t < target_structs + target_struct_size; |
1841 | ++t) | |
1842 | { | |
1843 | if ((*t)->to_stratum == core_stratum) | |
1844 | { | |
1845 | runable = *t; | |
1846 | ++count; | |
1847 | } | |
1848 | } | |
c5aa993b JM |
1849 | |
1850 | return (count == 1 ? runable : NULL); | |
c906108c | 1851 | } |
ed9a39eb JM |
1852 | |
1853 | /* | |
1854 | * Find the next target down the stack from the specified target. | |
1855 | */ | |
1856 | ||
1857 | struct target_ops * | |
fba45db2 | 1858 | find_target_beneath (struct target_ops *t) |
ed9a39eb | 1859 | { |
258b763a | 1860 | return t->beneath; |
ed9a39eb JM |
1861 | } |
1862 | ||
c906108c SS |
1863 | \f |
1864 | /* The inferior process has died. Long live the inferior! */ | |
1865 | ||
1866 | void | |
fba45db2 | 1867 | generic_mourn_inferior (void) |
c906108c SS |
1868 | { |
1869 | extern int show_breakpoint_hit_counts; | |
1870 | ||
39f77062 | 1871 | inferior_ptid = null_ptid; |
c906108c SS |
1872 | attach_flag = 0; |
1873 | breakpoint_init_inferior (inf_exited); | |
1874 | registers_changed (); | |
1875 | ||
c906108c SS |
1876 | reopen_exec_file (); |
1877 | reinit_frame_cache (); | |
1878 | ||
1879 | /* It is confusing to the user for ignore counts to stick around | |
1880 | from previous runs of the inferior. So clear them. */ | |
1881 | /* However, it is more confusing for the ignore counts to disappear when | |
1882 | using hit counts. So don't clear them if we're counting hits. */ | |
1883 | if (!show_breakpoint_hit_counts) | |
1884 | breakpoint_clear_ignore_counts (); | |
c5b739b5 | 1885 | |
9a4105ab AC |
1886 | if (deprecated_detach_hook) |
1887 | deprecated_detach_hook (); | |
c906108c SS |
1888 | } |
1889 | \f | |
c906108c SS |
1890 | /* Helper function for child_wait and the Lynx derivatives of child_wait. |
1891 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1892 | translation of that in OURSTATUS. */ | |
1893 | void | |
fba45db2 | 1894 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c SS |
1895 | { |
1896 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1897 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1898 | if it wants to deal with hoststatus. */ | |
1899 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1900 | return; | |
1901 | #endif | |
1902 | ||
1903 | if (WIFEXITED (hoststatus)) | |
1904 | { | |
1905 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1906 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1907 | } | |
1908 | else if (!WIFSTOPPED (hoststatus)) | |
1909 | { | |
1910 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1911 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1912 | } | |
1913 | else | |
1914 | { | |
1915 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1916 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1917 | } | |
1918 | } | |
1919 | \f | |
c906108c | 1920 | /* Returns zero to leave the inferior alone, one to interrupt it. */ |
507f3c78 | 1921 | int (*target_activity_function) (void); |
c906108c SS |
1922 | int target_activity_fd; |
1923 | \f | |
fd0a2a6f MK |
1924 | /* Convert a normal process ID to a string. Returns the string in a |
1925 | static buffer. */ | |
c906108c SS |
1926 | |
1927 | char * | |
39f77062 | 1928 | normal_pid_to_str (ptid_t ptid) |
c906108c | 1929 | { |
fd0a2a6f | 1930 | static char buf[32]; |
c906108c | 1931 | |
5fff8fc0 | 1932 | xsnprintf (buf, sizeof buf, "process %d", ptid_get_pid (ptid)); |
c906108c SS |
1933 | return buf; |
1934 | } | |
1935 | ||
be4d1333 | 1936 | /* Error-catcher for target_find_memory_regions */ |
be4d1333 MS |
1937 | static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2) |
1938 | { | |
8a3fe4f8 | 1939 | error (_("No target.")); |
be4d1333 MS |
1940 | return 0; |
1941 | } | |
1942 | ||
1943 | /* Error-catcher for target_make_corefile_notes */ | |
be4d1333 MS |
1944 | static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2) |
1945 | { | |
8a3fe4f8 | 1946 | error (_("No target.")); |
be4d1333 MS |
1947 | return NULL; |
1948 | } | |
1949 | ||
c906108c SS |
1950 | /* Set up the handful of non-empty slots needed by the dummy target |
1951 | vector. */ | |
1952 | ||
1953 | static void | |
fba45db2 | 1954 | init_dummy_target (void) |
c906108c SS |
1955 | { |
1956 | dummy_target.to_shortname = "None"; | |
1957 | dummy_target.to_longname = "None"; | |
1958 | dummy_target.to_doc = ""; | |
1959 | dummy_target.to_attach = find_default_attach; | |
c906108c | 1960 | dummy_target.to_create_inferior = find_default_create_inferior; |
ed9a39eb | 1961 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c | 1962 | dummy_target.to_stratum = dummy_stratum; |
be4d1333 MS |
1963 | dummy_target.to_find_memory_regions = dummy_find_memory_regions; |
1964 | dummy_target.to_make_corefile_notes = dummy_make_corefile_notes; | |
0b603eba | 1965 | dummy_target.to_xfer_partial = default_xfer_partial; |
c906108c SS |
1966 | dummy_target.to_magic = OPS_MAGIC; |
1967 | } | |
c906108c | 1968 | \f |
c906108c | 1969 | static void |
fba45db2 | 1970 | debug_to_open (char *args, int from_tty) |
c906108c SS |
1971 | { |
1972 | debug_target.to_open (args, from_tty); | |
1973 | ||
96baa820 | 1974 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
1975 | } |
1976 | ||
1977 | static void | |
fba45db2 | 1978 | debug_to_close (int quitting) |
c906108c | 1979 | { |
f1c07ab0 | 1980 | target_close (&debug_target, quitting); |
96baa820 | 1981 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
1982 | } |
1983 | ||
f1c07ab0 AC |
1984 | void |
1985 | target_close (struct target_ops *targ, int quitting) | |
1986 | { | |
1987 | if (targ->to_xclose != NULL) | |
1988 | targ->to_xclose (targ, quitting); | |
1989 | else if (targ->to_close != NULL) | |
1990 | targ->to_close (quitting); | |
1991 | } | |
1992 | ||
c906108c | 1993 | static void |
fba45db2 | 1994 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
1995 | { |
1996 | debug_target.to_attach (args, from_tty); | |
1997 | ||
96baa820 | 1998 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
1999 | } |
2000 | ||
2001 | ||
2002 | static void | |
fba45db2 | 2003 | debug_to_post_attach (int pid) |
c906108c SS |
2004 | { |
2005 | debug_target.to_post_attach (pid); | |
2006 | ||
96baa820 | 2007 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
2008 | } |
2009 | ||
c906108c | 2010 | static void |
fba45db2 | 2011 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
2012 | { |
2013 | debug_target.to_detach (args, from_tty); | |
2014 | ||
96baa820 | 2015 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
2016 | } |
2017 | ||
c906108c | 2018 | static void |
39f77062 | 2019 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 2020 | { |
39f77062 | 2021 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 2022 | |
39f77062 | 2023 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
2024 | step ? "step" : "continue", |
2025 | target_signal_to_name (siggnal)); | |
2026 | } | |
2027 | ||
39f77062 KB |
2028 | static ptid_t |
2029 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 2030 | { |
39f77062 | 2031 | ptid_t retval; |
c906108c | 2032 | |
39f77062 | 2033 | retval = debug_target.to_wait (ptid, status); |
c906108c | 2034 | |
96baa820 | 2035 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
2036 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
2037 | PIDGET (retval)); | |
96baa820 | 2038 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
2039 | switch (status->kind) |
2040 | { | |
2041 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 2042 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
2043 | status->value.integer); |
2044 | break; | |
2045 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 2046 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
2047 | target_signal_to_name (status->value.sig)); |
2048 | break; | |
2049 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 2050 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
2051 | target_signal_to_name (status->value.sig)); |
2052 | break; | |
2053 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 2054 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
2055 | break; |
2056 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 2057 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
2058 | break; |
2059 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 2060 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
2061 | break; |
2062 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 2063 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
2064 | break; |
2065 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 2066 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
2067 | break; |
2068 | default: | |
96baa820 | 2069 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
2070 | break; |
2071 | } | |
2072 | ||
2073 | return retval; | |
2074 | } | |
2075 | ||
bf0c5130 AC |
2076 | static void |
2077 | debug_print_register (const char * func, int regno) | |
2078 | { | |
2079 | fprintf_unfiltered (gdb_stdlog, "%s ", func); | |
2080 | if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS | |
2081 | && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0') | |
2082 | fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno)); | |
2083 | else | |
2084 | fprintf_unfiltered (gdb_stdlog, "(%d)", regno); | |
2085 | if (regno >= 0) | |
2086 | { | |
2087 | int i; | |
d9d9c31f | 2088 | unsigned char buf[MAX_REGISTER_SIZE]; |
4caf0990 | 2089 | deprecated_read_register_gen (regno, buf); |
bf0c5130 | 2090 | fprintf_unfiltered (gdb_stdlog, " = "); |
3acba339 | 2091 | for (i = 0; i < register_size (current_gdbarch, regno); i++) |
bf0c5130 AC |
2092 | { |
2093 | fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]); | |
2094 | } | |
3acba339 | 2095 | if (register_size (current_gdbarch, regno) <= sizeof (LONGEST)) |
bf0c5130 AC |
2096 | { |
2097 | fprintf_unfiltered (gdb_stdlog, " 0x%s %s", | |
2098 | paddr_nz (read_register (regno)), | |
2099 | paddr_d (read_register (regno))); | |
2100 | } | |
2101 | } | |
2102 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
2103 | } | |
2104 | ||
c906108c | 2105 | static void |
fba45db2 | 2106 | debug_to_fetch_registers (int regno) |
c906108c SS |
2107 | { |
2108 | debug_target.to_fetch_registers (regno); | |
bf0c5130 | 2109 | debug_print_register ("target_fetch_registers", regno); |
c906108c SS |
2110 | } |
2111 | ||
2112 | static void | |
fba45db2 | 2113 | debug_to_store_registers (int regno) |
c906108c SS |
2114 | { |
2115 | debug_target.to_store_registers (regno); | |
bf0c5130 AC |
2116 | debug_print_register ("target_store_registers", regno); |
2117 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
c906108c SS |
2118 | } |
2119 | ||
2120 | static void | |
fba45db2 | 2121 | debug_to_prepare_to_store (void) |
c906108c SS |
2122 | { |
2123 | debug_target.to_prepare_to_store (); | |
2124 | ||
96baa820 | 2125 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
2126 | } |
2127 | ||
2128 | static int | |
961cb7b5 | 2129 | deprecated_debug_xfer_memory (CORE_ADDR memaddr, bfd_byte *myaddr, int len, |
c8e73a31 AC |
2130 | int write, struct mem_attrib *attrib, |
2131 | struct target_ops *target) | |
c906108c SS |
2132 | { |
2133 | int retval; | |
2134 | ||
c8e73a31 AC |
2135 | retval = debug_target.deprecated_xfer_memory (memaddr, myaddr, len, write, |
2136 | attrib, target); | |
c906108c | 2137 | |
96baa820 | 2138 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2139 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 2140 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
2141 | len, write ? "write" : "read", retval); |
2142 | ||
c906108c SS |
2143 | if (retval > 0) |
2144 | { | |
2145 | int i; | |
2146 | ||
96baa820 | 2147 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
2148 | for (i = 0; i < retval; i++) |
2149 | { | |
2150 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
333dabeb DJ |
2151 | { |
2152 | if (targetdebug < 2 && i > 0) | |
2153 | { | |
2154 | fprintf_unfiltered (gdb_stdlog, " ..."); | |
2155 | break; | |
2156 | } | |
2157 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
2158 | } | |
2bc416ba | 2159 | |
96baa820 | 2160 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); |
c906108c SS |
2161 | } |
2162 | } | |
2163 | ||
96baa820 | 2164 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
2165 | |
2166 | return retval; | |
2167 | } | |
2168 | ||
2169 | static void | |
fba45db2 | 2170 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
2171 | { |
2172 | debug_target.to_files_info (target); | |
2173 | ||
96baa820 | 2174 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
2175 | } |
2176 | ||
2177 | static int | |
8181d85f | 2178 | debug_to_insert_breakpoint (struct bp_target_info *bp_tgt) |
c906108c SS |
2179 | { |
2180 | int retval; | |
2181 | ||
8181d85f | 2182 | retval = debug_target.to_insert_breakpoint (bp_tgt); |
c906108c | 2183 | |
96baa820 | 2184 | fprintf_unfiltered (gdb_stdlog, |
104c1213 | 2185 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
8181d85f | 2186 | (unsigned long) bp_tgt->placed_address, |
104c1213 | 2187 | (unsigned long) retval); |
c906108c SS |
2188 | return retval; |
2189 | } | |
2190 | ||
2191 | static int | |
8181d85f | 2192 | debug_to_remove_breakpoint (struct bp_target_info *bp_tgt) |
c906108c SS |
2193 | { |
2194 | int retval; | |
2195 | ||
8181d85f | 2196 | retval = debug_target.to_remove_breakpoint (bp_tgt); |
c906108c | 2197 | |
96baa820 | 2198 | fprintf_unfiltered (gdb_stdlog, |
104c1213 | 2199 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
8181d85f | 2200 | (unsigned long) bp_tgt->placed_address, |
104c1213 | 2201 | (unsigned long) retval); |
c906108c SS |
2202 | return retval; |
2203 | } | |
2204 | ||
ccaa32c7 GS |
2205 | static int |
2206 | debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty) | |
2207 | { | |
2208 | int retval; | |
2209 | ||
2210 | retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty); | |
2211 | ||
2212 | fprintf_unfiltered (gdb_stdlog, | |
2213 | "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n", | |
2214 | (unsigned long) type, | |
2215 | (unsigned long) cnt, | |
2216 | (unsigned long) from_tty, | |
2217 | (unsigned long) retval); | |
2218 | return retval; | |
2219 | } | |
2220 | ||
e0d24f8d WZ |
2221 | static int |
2222 | debug_to_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len) | |
2223 | { | |
2224 | CORE_ADDR retval; | |
2225 | ||
2226 | retval = debug_target.to_region_ok_for_hw_watchpoint (addr, len); | |
2227 | ||
2228 | fprintf_unfiltered (gdb_stdlog, | |
2229 | "TARGET_REGION_OK_FOR_HW_WATCHPOINT (%ld, %ld) = 0x%lx\n", | |
2230 | (unsigned long) addr, | |
2231 | (unsigned long) len, | |
2232 | (unsigned long) retval); | |
2233 | return retval; | |
2234 | } | |
2235 | ||
ccaa32c7 GS |
2236 | static int |
2237 | debug_to_stopped_by_watchpoint (void) | |
2238 | { | |
2239 | int retval; | |
2240 | ||
2241 | retval = debug_target.to_stopped_by_watchpoint (); | |
2242 | ||
2243 | fprintf_unfiltered (gdb_stdlog, | |
2244 | "STOPPED_BY_WATCHPOINT () = %ld\n", | |
2245 | (unsigned long) retval); | |
2246 | return retval; | |
2247 | } | |
2248 | ||
4aa7a7f5 JJ |
2249 | static int |
2250 | debug_to_stopped_data_address (struct target_ops *target, CORE_ADDR *addr) | |
ccaa32c7 | 2251 | { |
4aa7a7f5 | 2252 | int retval; |
ccaa32c7 | 2253 | |
4aa7a7f5 | 2254 | retval = debug_target.to_stopped_data_address (target, addr); |
ccaa32c7 GS |
2255 | |
2256 | fprintf_unfiltered (gdb_stdlog, | |
4aa7a7f5 JJ |
2257 | "target_stopped_data_address ([0x%lx]) = %ld\n", |
2258 | (unsigned long)*addr, | |
2259 | (unsigned long)retval); | |
ccaa32c7 GS |
2260 | return retval; |
2261 | } | |
2262 | ||
2263 | static int | |
8181d85f | 2264 | debug_to_insert_hw_breakpoint (struct bp_target_info *bp_tgt) |
ccaa32c7 GS |
2265 | { |
2266 | int retval; | |
2267 | ||
8181d85f | 2268 | retval = debug_target.to_insert_hw_breakpoint (bp_tgt); |
ccaa32c7 GS |
2269 | |
2270 | fprintf_unfiltered (gdb_stdlog, | |
2271 | "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
8181d85f | 2272 | (unsigned long) bp_tgt->placed_address, |
ccaa32c7 GS |
2273 | (unsigned long) retval); |
2274 | return retval; | |
2275 | } | |
2276 | ||
2277 | static int | |
8181d85f | 2278 | debug_to_remove_hw_breakpoint (struct bp_target_info *bp_tgt) |
ccaa32c7 GS |
2279 | { |
2280 | int retval; | |
2281 | ||
8181d85f | 2282 | retval = debug_target.to_remove_hw_breakpoint (bp_tgt); |
ccaa32c7 GS |
2283 | |
2284 | fprintf_unfiltered (gdb_stdlog, | |
2285 | "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
8181d85f | 2286 | (unsigned long) bp_tgt->placed_address, |
ccaa32c7 GS |
2287 | (unsigned long) retval); |
2288 | return retval; | |
2289 | } | |
2290 | ||
2291 | static int | |
2292 | debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type) | |
2293 | { | |
2294 | int retval; | |
2295 | ||
2296 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
2297 | ||
2298 | fprintf_unfiltered (gdb_stdlog, | |
2299 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
2300 | (unsigned long) addr, len, type, (unsigned long) retval); | |
2301 | return retval; | |
2302 | } | |
2303 | ||
2304 | static int | |
2305 | debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type) | |
2306 | { | |
2307 | int retval; | |
2308 | ||
2309 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
2310 | ||
2311 | fprintf_unfiltered (gdb_stdlog, | |
2312 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
2313 | (unsigned long) addr, len, type, (unsigned long) retval); | |
2314 | return retval; | |
2315 | } | |
2316 | ||
c906108c | 2317 | static void |
fba45db2 | 2318 | debug_to_terminal_init (void) |
c906108c SS |
2319 | { |
2320 | debug_target.to_terminal_init (); | |
2321 | ||
96baa820 | 2322 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
2323 | } |
2324 | ||
2325 | static void | |
fba45db2 | 2326 | debug_to_terminal_inferior (void) |
c906108c SS |
2327 | { |
2328 | debug_target.to_terminal_inferior (); | |
2329 | ||
96baa820 | 2330 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
2331 | } |
2332 | ||
2333 | static void | |
fba45db2 | 2334 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
2335 | { |
2336 | debug_target.to_terminal_ours_for_output (); | |
2337 | ||
96baa820 | 2338 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
2339 | } |
2340 | ||
2341 | static void | |
fba45db2 | 2342 | debug_to_terminal_ours (void) |
c906108c SS |
2343 | { |
2344 | debug_target.to_terminal_ours (); | |
2345 | ||
96baa820 | 2346 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
2347 | } |
2348 | ||
a790ad35 SC |
2349 | static void |
2350 | debug_to_terminal_save_ours (void) | |
2351 | { | |
2352 | debug_target.to_terminal_save_ours (); | |
2353 | ||
2354 | fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n"); | |
2355 | } | |
2356 | ||
c906108c | 2357 | static void |
fba45db2 | 2358 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
2359 | { |
2360 | debug_target.to_terminal_info (arg, from_tty); | |
2361 | ||
96baa820 | 2362 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
2363 | from_tty); |
2364 | } | |
2365 | ||
2366 | static void | |
fba45db2 | 2367 | debug_to_kill (void) |
c906108c SS |
2368 | { |
2369 | debug_target.to_kill (); | |
2370 | ||
96baa820 | 2371 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
2372 | } |
2373 | ||
2374 | static void | |
fba45db2 | 2375 | debug_to_load (char *args, int from_tty) |
c906108c SS |
2376 | { |
2377 | debug_target.to_load (args, from_tty); | |
2378 | ||
96baa820 | 2379 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
2380 | } |
2381 | ||
2382 | static int | |
fba45db2 | 2383 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
2384 | { |
2385 | int retval; | |
2386 | ||
2387 | retval = debug_target.to_lookup_symbol (name, addrp); | |
2388 | ||
96baa820 | 2389 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
2390 | |
2391 | return retval; | |
2392 | } | |
2393 | ||
2394 | static void | |
c27cda74 AC |
2395 | debug_to_create_inferior (char *exec_file, char *args, char **env, |
2396 | int from_tty) | |
c906108c | 2397 | { |
c27cda74 | 2398 | debug_target.to_create_inferior (exec_file, args, env, from_tty); |
c906108c | 2399 | |
c27cda74 AC |
2400 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx, %d)\n", |
2401 | exec_file, args, from_tty); | |
c906108c SS |
2402 | } |
2403 | ||
2404 | static void | |
39f77062 | 2405 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 2406 | { |
39f77062 | 2407 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 2408 | |
96baa820 | 2409 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 2410 | PIDGET (ptid)); |
c906108c SS |
2411 | } |
2412 | ||
2413 | static void | |
fba45db2 | 2414 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
2415 | { |
2416 | debug_target.to_acknowledge_created_inferior (pid); | |
2417 | ||
96baa820 | 2418 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
2419 | pid); |
2420 | } | |
2421 | ||
fa113d1a | 2422 | static void |
fba45db2 | 2423 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 2424 | { |
fa113d1a | 2425 | debug_target.to_insert_fork_catchpoint (pid); |
c906108c | 2426 | |
fa113d1a AC |
2427 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d)\n", |
2428 | pid); | |
c906108c SS |
2429 | } |
2430 | ||
2431 | static int | |
fba45db2 | 2432 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 2433 | { |
c5aa993b | 2434 | int retval; |
c906108c SS |
2435 | |
2436 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
2437 | ||
96baa820 | 2438 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2439 | pid, retval); |
c906108c SS |
2440 | |
2441 | return retval; | |
2442 | } | |
2443 | ||
fa113d1a | 2444 | static void |
fba45db2 | 2445 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 2446 | { |
fa113d1a | 2447 | debug_target.to_insert_vfork_catchpoint (pid); |
c906108c | 2448 | |
fa113d1a AC |
2449 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)\n", |
2450 | pid); | |
c906108c SS |
2451 | } |
2452 | ||
2453 | static int | |
fba45db2 | 2454 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 2455 | { |
c5aa993b | 2456 | int retval; |
c906108c SS |
2457 | |
2458 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2459 | ||
96baa820 | 2460 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 2461 | pid, retval); |
c906108c SS |
2462 | |
2463 | return retval; | |
2464 | } | |
2465 | ||
fa113d1a | 2466 | static void |
fba45db2 | 2467 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 2468 | { |
fa113d1a | 2469 | debug_target.to_insert_exec_catchpoint (pid); |
c906108c | 2470 | |
fa113d1a AC |
2471 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d)\n", |
2472 | pid); | |
c906108c SS |
2473 | } |
2474 | ||
2475 | static int | |
fba45db2 | 2476 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 2477 | { |
c5aa993b | 2478 | int retval; |
c906108c SS |
2479 | |
2480 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2481 | ||
96baa820 | 2482 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2483 | pid, retval); |
c906108c SS |
2484 | |
2485 | return retval; | |
2486 | } | |
2487 | ||
c906108c | 2488 | static int |
fba45db2 | 2489 | debug_to_reported_exec_events_per_exec_call (void) |
c906108c | 2490 | { |
c5aa993b | 2491 | int reported_exec_events; |
c906108c SS |
2492 | |
2493 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
2494 | ||
96baa820 | 2495 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2496 | "target_reported_exec_events_per_exec_call () = %d\n", |
c5aa993b | 2497 | reported_exec_events); |
c906108c SS |
2498 | |
2499 | return reported_exec_events; | |
2500 | } | |
2501 | ||
c906108c | 2502 | static int |
fba45db2 | 2503 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2504 | { |
c5aa993b | 2505 | int has_exited; |
c906108c SS |
2506 | |
2507 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2508 | ||
96baa820 | 2509 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2510 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2511 | |
2512 | return has_exited; | |
2513 | } | |
2514 | ||
2515 | static void | |
fba45db2 | 2516 | debug_to_mourn_inferior (void) |
c906108c SS |
2517 | { |
2518 | debug_target.to_mourn_inferior (); | |
2519 | ||
96baa820 | 2520 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2521 | } |
2522 | ||
2523 | static int | |
fba45db2 | 2524 | debug_to_can_run (void) |
c906108c SS |
2525 | { |
2526 | int retval; | |
2527 | ||
2528 | retval = debug_target.to_can_run (); | |
2529 | ||
96baa820 | 2530 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2531 | |
2532 | return retval; | |
2533 | } | |
2534 | ||
2535 | static void | |
39f77062 | 2536 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2537 | { |
39f77062 | 2538 | debug_target.to_notice_signals (ptid); |
c906108c | 2539 | |
39f77062 KB |
2540 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2541 | PIDGET (ptid)); | |
c906108c SS |
2542 | } |
2543 | ||
2544 | static int | |
39f77062 | 2545 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2546 | { |
2547 | int retval; | |
2548 | ||
39f77062 | 2549 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2550 | |
96baa820 | 2551 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2552 | PIDGET (ptid), retval); |
c906108c SS |
2553 | |
2554 | return retval; | |
2555 | } | |
2556 | ||
0d06e24b | 2557 | static void |
fba45db2 | 2558 | debug_to_find_new_threads (void) |
0d06e24b JM |
2559 | { |
2560 | debug_target.to_find_new_threads (); | |
2561 | ||
2562 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2563 | } | |
2564 | ||
c906108c | 2565 | static void |
fba45db2 | 2566 | debug_to_stop (void) |
c906108c SS |
2567 | { |
2568 | debug_target.to_stop (); | |
2569 | ||
96baa820 | 2570 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2571 | } |
2572 | ||
96baa820 JM |
2573 | static void |
2574 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2575 | struct ui_file *outbuf) |
96baa820 JM |
2576 | { |
2577 | debug_target.to_rcmd (command, outbuf); | |
2578 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2579 | } | |
2580 | ||
c906108c | 2581 | static struct symtab_and_line * |
fba45db2 | 2582 | debug_to_enable_exception_callback (enum exception_event_kind kind, int enable) |
c906108c | 2583 | { |
7a292a7a SS |
2584 | struct symtab_and_line *result; |
2585 | result = debug_target.to_enable_exception_callback (kind, enable); | |
96baa820 | 2586 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2587 | "target get_exception_callback_sal (%d, %d)\n", |
2588 | kind, enable); | |
7a292a7a | 2589 | return result; |
c906108c SS |
2590 | } |
2591 | ||
2592 | static struct exception_event_record * | |
fba45db2 | 2593 | debug_to_get_current_exception_event (void) |
c906108c | 2594 | { |
7a292a7a | 2595 | struct exception_event_record *result; |
c5aa993b | 2596 | result = debug_target.to_get_current_exception_event (); |
96baa820 | 2597 | fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n"); |
7a292a7a | 2598 | return result; |
c906108c SS |
2599 | } |
2600 | ||
2601 | static char * | |
fba45db2 | 2602 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2603 | { |
c5aa993b | 2604 | char *exec_file; |
c906108c SS |
2605 | |
2606 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2607 | ||
96baa820 | 2608 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2609 | pid, exec_file); |
c906108c SS |
2610 | |
2611 | return exec_file; | |
2612 | } | |
2613 | ||
c906108c | 2614 | static void |
fba45db2 | 2615 | setup_target_debug (void) |
c906108c SS |
2616 | { |
2617 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2618 | ||
2619 | current_target.to_open = debug_to_open; | |
2620 | current_target.to_close = debug_to_close; | |
2621 | current_target.to_attach = debug_to_attach; | |
2622 | current_target.to_post_attach = debug_to_post_attach; | |
c906108c | 2623 | current_target.to_detach = debug_to_detach; |
c906108c SS |
2624 | current_target.to_resume = debug_to_resume; |
2625 | current_target.to_wait = debug_to_wait; | |
c906108c SS |
2626 | current_target.to_fetch_registers = debug_to_fetch_registers; |
2627 | current_target.to_store_registers = debug_to_store_registers; | |
2628 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
c8e73a31 | 2629 | current_target.deprecated_xfer_memory = deprecated_debug_xfer_memory; |
c906108c SS |
2630 | current_target.to_files_info = debug_to_files_info; |
2631 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2632 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
ccaa32c7 GS |
2633 | current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint; |
2634 | current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint; | |
2635 | current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint; | |
2636 | current_target.to_insert_watchpoint = debug_to_insert_watchpoint; | |
2637 | current_target.to_remove_watchpoint = debug_to_remove_watchpoint; | |
2638 | current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint; | |
2639 | current_target.to_stopped_data_address = debug_to_stopped_data_address; | |
e0d24f8d | 2640 | current_target.to_region_ok_for_hw_watchpoint = debug_to_region_ok_for_hw_watchpoint; |
c906108c SS |
2641 | current_target.to_terminal_init = debug_to_terminal_init; |
2642 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2643 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2644 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
a790ad35 | 2645 | current_target.to_terminal_save_ours = debug_to_terminal_save_ours; |
c906108c SS |
2646 | current_target.to_terminal_info = debug_to_terminal_info; |
2647 | current_target.to_kill = debug_to_kill; | |
2648 | current_target.to_load = debug_to_load; | |
2649 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2650 | current_target.to_create_inferior = debug_to_create_inferior; | |
2651 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2652 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
c906108c SS |
2653 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; |
2654 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2655 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2656 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
c906108c SS |
2657 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; |
2658 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
c906108c | 2659 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; |
c906108c SS |
2660 | current_target.to_has_exited = debug_to_has_exited; |
2661 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2662 | current_target.to_can_run = debug_to_can_run; | |
2663 | current_target.to_notice_signals = debug_to_notice_signals; | |
2664 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 2665 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c | 2666 | current_target.to_stop = debug_to_stop; |
96baa820 | 2667 | current_target.to_rcmd = debug_to_rcmd; |
c906108c SS |
2668 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
2669 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
2670 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
c906108c | 2671 | } |
c906108c | 2672 | \f |
c5aa993b JM |
2673 | |
2674 | static char targ_desc[] = | |
2675 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
2676 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
2677 | core-file, and process, if any), as well as the symbol file name."; | |
2678 | ||
96baa820 JM |
2679 | static void |
2680 | do_monitor_command (char *cmd, | |
2681 | int from_tty) | |
2682 | { | |
2b5fe715 AC |
2683 | if ((current_target.to_rcmd |
2684 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 2685 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
2686 | && (debug_target.to_rcmd |
2687 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
8a3fe4f8 | 2688 | error (_("\"monitor\" command not supported by this target.")); |
96baa820 JM |
2689 | target_rcmd (cmd, gdb_stdtarg); |
2690 | } | |
2691 | ||
c906108c | 2692 | void |
fba45db2 | 2693 | initialize_targets (void) |
c906108c SS |
2694 | { |
2695 | init_dummy_target (); | |
2696 | push_target (&dummy_target); | |
2697 | ||
2698 | add_info ("target", target_info, targ_desc); | |
2699 | add_info ("files", target_info, targ_desc); | |
2700 | ||
85c07804 AC |
2701 | add_setshow_zinteger_cmd ("target", class_maintenance, &targetdebug, _("\ |
2702 | Set target debugging."), _("\ | |
2703 | Show target debugging."), _("\ | |
333dabeb DJ |
2704 | When non-zero, target debugging is enabled. Higher numbers are more\n\ |
2705 | verbose. Changes do not take effect until the next \"run\" or \"target\"\n\ | |
85c07804 AC |
2706 | command."), |
2707 | NULL, | |
920d2a44 | 2708 | show_targetdebug, |
85c07804 | 2709 | &setdebuglist, &showdebuglist); |
3a11626d | 2710 | |
2bc416ba | 2711 | add_setshow_boolean_cmd ("trust-readonly-sections", class_support, |
7915a72c AC |
2712 | &trust_readonly, _("\ |
2713 | Set mode for reading from readonly sections."), _("\ | |
2714 | Show mode for reading from readonly sections."), _("\ | |
3a11626d MS |
2715 | When this mode is on, memory reads from readonly sections (such as .text)\n\ |
2716 | will be read from the object file instead of from the target. This will\n\ | |
7915a72c | 2717 | result in significant performance improvement for remote targets."), |
2c5b56ce | 2718 | NULL, |
920d2a44 | 2719 | show_trust_readonly, |
e707bbc2 | 2720 | &setlist, &showlist); |
96baa820 JM |
2721 | |
2722 | add_com ("monitor", class_obscure, do_monitor_command, | |
1bedd215 | 2723 | _("Send a command to the remote monitor (remote targets only).")); |
96baa820 | 2724 | |
8add0441 | 2725 | target_dcache = dcache_init (); |
c906108c | 2726 | } |