Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Select target systems and architectures at runtime for GDB. |
7998dfc3 | 2 | |
6aba47ca DJ |
3 | Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
4 | 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 | |
f6519ebc | 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" |
424163ea | 43 | #include "target-descriptions.h" |
c906108c | 44 | |
a14ed312 | 45 | static void target_info (char *, int); |
c906108c | 46 | |
a14ed312 | 47 | static void maybe_kill_then_attach (char *, int); |
c906108c | 48 | |
a14ed312 | 49 | static void kill_or_be_killed (int); |
c906108c | 50 | |
a14ed312 | 51 | static void default_terminal_info (char *, int); |
c906108c | 52 | |
e0d24f8d WZ |
53 | static int default_region_ok_for_hw_watchpoint (CORE_ADDR, int); |
54 | ||
a14ed312 | 55 | static int nosymbol (char *, CORE_ADDR *); |
c906108c | 56 | |
4ecb6f27 | 57 | static void tcomplain (void) ATTR_NORETURN; |
c906108c | 58 | |
a14ed312 | 59 | static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *); |
c906108c | 60 | |
a14ed312 | 61 | static int return_zero (void); |
c906108c | 62 | |
a14ed312 | 63 | static int return_one (void); |
c906108c | 64 | |
ccaa32c7 GS |
65 | static int return_minus_one (void); |
66 | ||
a14ed312 | 67 | void target_ignore (void); |
c906108c | 68 | |
a14ed312 | 69 | static void target_command (char *, int); |
c906108c | 70 | |
a14ed312 | 71 | static struct target_ops *find_default_run_target (char *); |
c906108c | 72 | |
a14ed312 | 73 | static void nosupport_runtime (void); |
392a587b | 74 | |
4b8a223f | 75 | static LONGEST default_xfer_partial (struct target_ops *ops, |
0088c768 | 76 | enum target_object object, |
1b0ba102 AC |
77 | const char *annex, gdb_byte *readbuf, |
78 | const gdb_byte *writebuf, | |
8aa91c1e | 79 | ULONGEST offset, LONGEST len); |
0088c768 | 80 | |
cf7a04e8 DJ |
81 | static LONGEST current_xfer_partial (struct target_ops *ops, |
82 | enum target_object object, | |
83 | const char *annex, gdb_byte *readbuf, | |
84 | const gdb_byte *writebuf, | |
85 | ULONGEST offset, LONGEST len); | |
c906108c | 86 | |
cf7a04e8 DJ |
87 | static LONGEST target_xfer_partial (struct target_ops *ops, |
88 | enum target_object object, | |
89 | const char *annex, | |
90 | void *readbuf, const void *writebuf, | |
91 | ULONGEST offset, LONGEST len); | |
c906108c | 92 | |
a14ed312 | 93 | static void init_dummy_target (void); |
c906108c | 94 | |
aa869812 AC |
95 | static struct target_ops debug_target; |
96 | ||
a14ed312 | 97 | static void debug_to_open (char *, int); |
c906108c | 98 | |
a14ed312 | 99 | static void debug_to_close (int); |
c906108c | 100 | |
a14ed312 | 101 | static void debug_to_attach (char *, int); |
c906108c | 102 | |
a14ed312 | 103 | static void debug_to_detach (char *, int); |
c906108c | 104 | |
39f77062 | 105 | static void debug_to_resume (ptid_t, int, enum target_signal); |
c906108c | 106 | |
39f77062 | 107 | static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *); |
c906108c | 108 | |
a14ed312 | 109 | static void debug_to_fetch_registers (int); |
c906108c | 110 | |
a14ed312 | 111 | static void debug_to_store_registers (int); |
c906108c | 112 | |
a14ed312 | 113 | static void debug_to_prepare_to_store (void); |
c906108c | 114 | |
a14ed312 | 115 | static void debug_to_files_info (struct target_ops *); |
c906108c | 116 | |
8181d85f | 117 | static int debug_to_insert_breakpoint (struct bp_target_info *); |
c906108c | 118 | |
8181d85f | 119 | static int debug_to_remove_breakpoint (struct bp_target_info *); |
c906108c | 120 | |
ccaa32c7 GS |
121 | static int debug_to_can_use_hw_breakpoint (int, int, int); |
122 | ||
8181d85f | 123 | static int debug_to_insert_hw_breakpoint (struct bp_target_info *); |
ccaa32c7 | 124 | |
8181d85f | 125 | static int debug_to_remove_hw_breakpoint (struct bp_target_info *); |
ccaa32c7 GS |
126 | |
127 | static int debug_to_insert_watchpoint (CORE_ADDR, int, int); | |
128 | ||
129 | static int debug_to_remove_watchpoint (CORE_ADDR, int, int); | |
130 | ||
131 | static int debug_to_stopped_by_watchpoint (void); | |
132 | ||
4aa7a7f5 | 133 | static int debug_to_stopped_data_address (struct target_ops *, CORE_ADDR *); |
ccaa32c7 | 134 | |
e0d24f8d WZ |
135 | static int debug_to_region_ok_for_hw_watchpoint (CORE_ADDR, int); |
136 | ||
a14ed312 | 137 | static void debug_to_terminal_init (void); |
c906108c | 138 | |
a14ed312 | 139 | static void debug_to_terminal_inferior (void); |
c906108c | 140 | |
a14ed312 | 141 | static void debug_to_terminal_ours_for_output (void); |
c906108c | 142 | |
a790ad35 SC |
143 | static void debug_to_terminal_save_ours (void); |
144 | ||
a14ed312 | 145 | static void debug_to_terminal_ours (void); |
c906108c | 146 | |
a14ed312 | 147 | static void debug_to_terminal_info (char *, int); |
c906108c | 148 | |
a14ed312 | 149 | static void debug_to_kill (void); |
c906108c | 150 | |
a14ed312 | 151 | static void debug_to_load (char *, int); |
c906108c | 152 | |
a14ed312 | 153 | static int debug_to_lookup_symbol (char *, CORE_ADDR *); |
c906108c | 154 | |
a14ed312 | 155 | static void debug_to_mourn_inferior (void); |
c906108c | 156 | |
a14ed312 | 157 | static int debug_to_can_run (void); |
c906108c | 158 | |
39f77062 | 159 | static void debug_to_notice_signals (ptid_t); |
c906108c | 160 | |
39f77062 | 161 | static int debug_to_thread_alive (ptid_t); |
c906108c | 162 | |
a14ed312 | 163 | static void debug_to_stop (void); |
c906108c | 164 | |
5ac10fd1 AC |
165 | /* NOTE: cagney/2004-09-29: Many targets reference this variable in |
166 | wierd and mysterious ways. Putting the variable here lets those | |
167 | wierd and mysterious ways keep building while they are being | |
168 | converted to the inferior inheritance structure. */ | |
1df84f13 | 169 | struct target_ops deprecated_child_ops; |
5ac10fd1 | 170 | |
c906108c | 171 | /* Pointer to array of target architecture structures; the size of the |
2bc416ba | 172 | array; the current index into the array; the allocated size of the |
c906108c SS |
173 | array. */ |
174 | struct target_ops **target_structs; | |
175 | unsigned target_struct_size; | |
176 | unsigned target_struct_index; | |
177 | unsigned target_struct_allocsize; | |
178 | #define DEFAULT_ALLOCSIZE 10 | |
179 | ||
180 | /* The initial current target, so that there is always a semi-valid | |
181 | current target. */ | |
182 | ||
183 | static struct target_ops dummy_target; | |
184 | ||
185 | /* Top of target stack. */ | |
186 | ||
258b763a | 187 | static struct target_ops *target_stack; |
c906108c SS |
188 | |
189 | /* The target structure we are currently using to talk to a process | |
190 | or file or whatever "inferior" we have. */ | |
191 | ||
192 | struct target_ops current_target; | |
193 | ||
194 | /* Command list for target. */ | |
195 | ||
196 | static struct cmd_list_element *targetlist = NULL; | |
197 | ||
198 | /* Nonzero if we are debugging an attached outside process | |
199 | rather than an inferior. */ | |
200 | ||
201 | int attach_flag; | |
202 | ||
cf7a04e8 DJ |
203 | /* Nonzero if we should trust readonly sections from the |
204 | executable when reading memory. */ | |
205 | ||
206 | static int trust_readonly = 0; | |
207 | ||
c906108c SS |
208 | /* Non-zero if we want to see trace of target level stuff. */ |
209 | ||
210 | static int targetdebug = 0; | |
920d2a44 AC |
211 | static void |
212 | show_targetdebug (struct ui_file *file, int from_tty, | |
213 | struct cmd_list_element *c, const char *value) | |
214 | { | |
215 | fprintf_filtered (file, _("Target debugging is %s.\n"), value); | |
216 | } | |
c906108c | 217 | |
a14ed312 | 218 | static void setup_target_debug (void); |
c906108c | 219 | |
4930751a C |
220 | DCACHE *target_dcache; |
221 | ||
c906108c SS |
222 | /* The user just typed 'target' without the name of a target. */ |
223 | ||
c906108c | 224 | static void |
fba45db2 | 225 | target_command (char *arg, int from_tty) |
c906108c SS |
226 | { |
227 | fputs_filtered ("Argument required (target name). Try `help target'\n", | |
228 | gdb_stdout); | |
229 | } | |
230 | ||
231 | /* Add a possible target architecture to the list. */ | |
232 | ||
233 | void | |
fba45db2 | 234 | add_target (struct target_ops *t) |
c906108c | 235 | { |
0088c768 | 236 | /* Provide default values for all "must have" methods. */ |
0b603eba AC |
237 | if (t->to_xfer_partial == NULL) |
238 | t->to_xfer_partial = default_xfer_partial; | |
0088c768 | 239 | |
c906108c SS |
240 | if (!target_structs) |
241 | { | |
242 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
243 | target_structs = (struct target_ops **) xmalloc | |
244 | (target_struct_allocsize * sizeof (*target_structs)); | |
245 | } | |
246 | if (target_struct_size >= target_struct_allocsize) | |
247 | { | |
248 | target_struct_allocsize *= 2; | |
249 | target_structs = (struct target_ops **) | |
c5aa993b JM |
250 | xrealloc ((char *) target_structs, |
251 | target_struct_allocsize * sizeof (*target_structs)); | |
c906108c SS |
252 | } |
253 | target_structs[target_struct_size++] = t; | |
c906108c SS |
254 | |
255 | if (targetlist == NULL) | |
1bedd215 AC |
256 | add_prefix_cmd ("target", class_run, target_command, _("\ |
257 | Connect to a target machine or process.\n\ | |
c906108c SS |
258 | The first argument is the type or protocol of the target machine.\n\ |
259 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
260 | information on the arguments for a particular protocol, type\n\ | |
1bedd215 | 261 | `help target ' followed by the protocol name."), |
c906108c SS |
262 | &targetlist, "target ", 0, &cmdlist); |
263 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
264 | } | |
265 | ||
266 | /* Stub functions */ | |
267 | ||
268 | void | |
fba45db2 | 269 | target_ignore (void) |
c906108c SS |
270 | { |
271 | } | |
272 | ||
11cf8741 JM |
273 | void |
274 | target_load (char *arg, int from_tty) | |
275 | { | |
4930751a | 276 | dcache_invalidate (target_dcache); |
11cf8741 JM |
277 | (*current_target.to_load) (arg, from_tty); |
278 | } | |
279 | ||
c906108c | 280 | static int |
fba45db2 KB |
281 | nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
282 | struct target_ops *t) | |
c906108c | 283 | { |
c5aa993b JM |
284 | errno = EIO; /* Can't read/write this location */ |
285 | return 0; /* No bytes handled */ | |
c906108c SS |
286 | } |
287 | ||
288 | static void | |
fba45db2 | 289 | tcomplain (void) |
c906108c | 290 | { |
8a3fe4f8 | 291 | error (_("You can't do that when your target is `%s'"), |
c906108c SS |
292 | current_target.to_shortname); |
293 | } | |
294 | ||
295 | void | |
fba45db2 | 296 | noprocess (void) |
c906108c | 297 | { |
8a3fe4f8 | 298 | error (_("You can't do that without a process to debug.")); |
c906108c SS |
299 | } |
300 | ||
c906108c | 301 | static int |
fba45db2 | 302 | nosymbol (char *name, CORE_ADDR *addrp) |
c906108c | 303 | { |
c5aa993b | 304 | return 1; /* Symbol does not exist in target env */ |
c906108c SS |
305 | } |
306 | ||
392a587b | 307 | static void |
fba45db2 | 308 | nosupport_runtime (void) |
c906108c | 309 | { |
39f77062 | 310 | if (ptid_equal (inferior_ptid, null_ptid)) |
c906108c SS |
311 | noprocess (); |
312 | else | |
8a3fe4f8 | 313 | error (_("No run-time support for this")); |
c906108c SS |
314 | } |
315 | ||
316 | ||
c906108c | 317 | static void |
fba45db2 | 318 | default_terminal_info (char *args, int from_tty) |
c906108c | 319 | { |
a3f17187 | 320 | printf_unfiltered (_("No saved terminal information.\n")); |
c906108c SS |
321 | } |
322 | ||
323 | /* This is the default target_create_inferior and target_attach function. | |
324 | If the current target is executing, it asks whether to kill it off. | |
325 | If this function returns without calling error(), it has killed off | |
326 | the target, and the operation should be attempted. */ | |
327 | ||
328 | static void | |
fba45db2 | 329 | kill_or_be_killed (int from_tty) |
c906108c SS |
330 | { |
331 | if (target_has_execution) | |
332 | { | |
a3f17187 | 333 | printf_unfiltered (_("You are already running a program:\n")); |
c906108c | 334 | target_files_info (); |
c5aa993b JM |
335 | if (query ("Kill it? ")) |
336 | { | |
337 | target_kill (); | |
338 | if (target_has_execution) | |
8a3fe4f8 | 339 | error (_("Killing the program did not help.")); |
c5aa993b JM |
340 | return; |
341 | } | |
342 | else | |
343 | { | |
8a3fe4f8 | 344 | error (_("Program not killed.")); |
c5aa993b | 345 | } |
c906108c | 346 | } |
c5aa993b | 347 | tcomplain (); |
c906108c SS |
348 | } |
349 | ||
350 | static void | |
fba45db2 | 351 | maybe_kill_then_attach (char *args, int from_tty) |
c906108c SS |
352 | { |
353 | kill_or_be_killed (from_tty); | |
354 | target_attach (args, from_tty); | |
355 | } | |
356 | ||
357 | static void | |
c27cda74 AC |
358 | maybe_kill_then_create_inferior (char *exec, char *args, char **env, |
359 | int from_tty) | |
c906108c SS |
360 | { |
361 | kill_or_be_killed (0); | |
c27cda74 | 362 | target_create_inferior (exec, args, env, from_tty); |
c906108c SS |
363 | } |
364 | ||
7998dfc3 AC |
365 | /* Go through the target stack from top to bottom, copying over zero |
366 | entries in current_target, then filling in still empty entries. In | |
367 | effect, we are doing class inheritance through the pushed target | |
368 | vectors. | |
369 | ||
370 | NOTE: cagney/2003-10-17: The problem with this inheritance, as it | |
371 | is currently implemented, is that it discards any knowledge of | |
372 | which target an inherited method originally belonged to. | |
373 | Consequently, new new target methods should instead explicitly and | |
374 | locally search the target stack for the target that can handle the | |
375 | request. */ | |
c906108c SS |
376 | |
377 | static void | |
7998dfc3 | 378 | update_current_target (void) |
c906108c | 379 | { |
7998dfc3 AC |
380 | struct target_ops *t; |
381 | ||
08d8bcd7 | 382 | /* First, reset current's contents. */ |
7998dfc3 AC |
383 | memset (¤t_target, 0, sizeof (current_target)); |
384 | ||
385 | #define INHERIT(FIELD, TARGET) \ | |
386 | if (!current_target.FIELD) \ | |
387 | current_target.FIELD = (TARGET)->FIELD | |
388 | ||
389 | for (t = target_stack; t; t = t->beneath) | |
390 | { | |
391 | INHERIT (to_shortname, t); | |
392 | INHERIT (to_longname, t); | |
393 | INHERIT (to_doc, t); | |
394 | INHERIT (to_open, t); | |
395 | INHERIT (to_close, t); | |
396 | INHERIT (to_attach, t); | |
397 | INHERIT (to_post_attach, t); | |
398 | INHERIT (to_detach, t); | |
597320e7 | 399 | /* Do not inherit to_disconnect. */ |
7998dfc3 AC |
400 | INHERIT (to_resume, t); |
401 | INHERIT (to_wait, t); | |
7998dfc3 AC |
402 | INHERIT (to_fetch_registers, t); |
403 | INHERIT (to_store_registers, t); | |
404 | INHERIT (to_prepare_to_store, t); | |
c8e73a31 | 405 | INHERIT (deprecated_xfer_memory, t); |
7998dfc3 AC |
406 | INHERIT (to_files_info, t); |
407 | INHERIT (to_insert_breakpoint, t); | |
408 | INHERIT (to_remove_breakpoint, t); | |
409 | INHERIT (to_can_use_hw_breakpoint, t); | |
410 | INHERIT (to_insert_hw_breakpoint, t); | |
411 | INHERIT (to_remove_hw_breakpoint, t); | |
412 | INHERIT (to_insert_watchpoint, t); | |
413 | INHERIT (to_remove_watchpoint, t); | |
414 | INHERIT (to_stopped_data_address, t); | |
415 | INHERIT (to_stopped_by_watchpoint, t); | |
416 | INHERIT (to_have_continuable_watchpoint, t); | |
e0d24f8d | 417 | INHERIT (to_region_ok_for_hw_watchpoint, t); |
7998dfc3 AC |
418 | INHERIT (to_terminal_init, t); |
419 | INHERIT (to_terminal_inferior, t); | |
420 | INHERIT (to_terminal_ours_for_output, t); | |
421 | INHERIT (to_terminal_ours, t); | |
422 | INHERIT (to_terminal_save_ours, t); | |
423 | INHERIT (to_terminal_info, t); | |
424 | INHERIT (to_kill, t); | |
425 | INHERIT (to_load, t); | |
426 | INHERIT (to_lookup_symbol, t); | |
427 | INHERIT (to_create_inferior, t); | |
428 | INHERIT (to_post_startup_inferior, t); | |
429 | INHERIT (to_acknowledge_created_inferior, t); | |
430 | INHERIT (to_insert_fork_catchpoint, t); | |
431 | INHERIT (to_remove_fork_catchpoint, t); | |
432 | INHERIT (to_insert_vfork_catchpoint, t); | |
433 | INHERIT (to_remove_vfork_catchpoint, t); | |
ee057212 | 434 | /* Do not inherit to_follow_fork. */ |
7998dfc3 AC |
435 | INHERIT (to_insert_exec_catchpoint, t); |
436 | INHERIT (to_remove_exec_catchpoint, t); | |
437 | INHERIT (to_reported_exec_events_per_exec_call, t); | |
438 | INHERIT (to_has_exited, t); | |
439 | INHERIT (to_mourn_inferior, t); | |
440 | INHERIT (to_can_run, t); | |
441 | INHERIT (to_notice_signals, t); | |
442 | INHERIT (to_thread_alive, t); | |
443 | INHERIT (to_find_new_threads, t); | |
444 | INHERIT (to_pid_to_str, t); | |
445 | INHERIT (to_extra_thread_info, t); | |
446 | INHERIT (to_stop, t); | |
4b8a223f | 447 | /* Do not inherit to_xfer_partial. */ |
7998dfc3 AC |
448 | INHERIT (to_rcmd, t); |
449 | INHERIT (to_enable_exception_callback, t); | |
450 | INHERIT (to_get_current_exception_event, t); | |
451 | INHERIT (to_pid_to_exec_file, t); | |
452 | INHERIT (to_stratum, t); | |
453 | INHERIT (to_has_all_memory, t); | |
454 | INHERIT (to_has_memory, t); | |
455 | INHERIT (to_has_stack, t); | |
456 | INHERIT (to_has_registers, t); | |
457 | INHERIT (to_has_execution, t); | |
458 | INHERIT (to_has_thread_control, t); | |
459 | INHERIT (to_sections, t); | |
460 | INHERIT (to_sections_end, t); | |
461 | INHERIT (to_can_async_p, t); | |
462 | INHERIT (to_is_async_p, t); | |
463 | INHERIT (to_async, t); | |
464 | INHERIT (to_async_mask_value, t); | |
465 | INHERIT (to_find_memory_regions, t); | |
466 | INHERIT (to_make_corefile_notes, t); | |
467 | INHERIT (to_get_thread_local_address, t); | |
424163ea | 468 | /* Do not inherit to_read_description. */ |
7998dfc3 | 469 | INHERIT (to_magic, t); |
fd79ecee | 470 | /* Do not inherit to_memory_map. */ |
a76d924d DJ |
471 | /* Do not inherit to_flash_erase. */ |
472 | /* Do not inherit to_flash_done. */ | |
7998dfc3 AC |
473 | } |
474 | #undef INHERIT | |
475 | ||
476 | /* Clean up a target struct so it no longer has any zero pointers in | |
0088c768 AC |
477 | it. Some entries are defaulted to a method that print an error, |
478 | others are hard-wired to a standard recursive default. */ | |
c906108c SS |
479 | |
480 | #define de_fault(field, value) \ | |
7998dfc3 AC |
481 | if (!current_target.field) \ |
482 | current_target.field = value | |
0d06e24b | 483 | |
2bc416ba DJ |
484 | de_fault (to_open, |
485 | (void (*) (char *, int)) | |
0d06e24b | 486 | tcomplain); |
2bc416ba DJ |
487 | de_fault (to_close, |
488 | (void (*) (int)) | |
0d06e24b | 489 | target_ignore); |
2bc416ba | 490 | de_fault (to_attach, |
0d06e24b | 491 | maybe_kill_then_attach); |
2bc416ba DJ |
492 | de_fault (to_post_attach, |
493 | (void (*) (int)) | |
0d06e24b | 494 | target_ignore); |
2bc416ba DJ |
495 | de_fault (to_detach, |
496 | (void (*) (char *, int)) | |
0d06e24b | 497 | target_ignore); |
2bc416ba DJ |
498 | de_fault (to_resume, |
499 | (void (*) (ptid_t, int, enum target_signal)) | |
0d06e24b | 500 | noprocess); |
2bc416ba DJ |
501 | de_fault (to_wait, |
502 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) | |
0d06e24b | 503 | noprocess); |
2bc416ba DJ |
504 | de_fault (to_fetch_registers, |
505 | (void (*) (int)) | |
0d06e24b | 506 | target_ignore); |
2bc416ba DJ |
507 | de_fault (to_store_registers, |
508 | (void (*) (int)) | |
0d06e24b | 509 | noprocess); |
2bc416ba DJ |
510 | de_fault (to_prepare_to_store, |
511 | (void (*) (void)) | |
0d06e24b | 512 | noprocess); |
2bc416ba DJ |
513 | de_fault (deprecated_xfer_memory, |
514 | (int (*) (CORE_ADDR, gdb_byte *, int, int, struct mem_attrib *, struct target_ops *)) | |
0d06e24b | 515 | nomemory); |
2bc416ba DJ |
516 | de_fault (to_files_info, |
517 | (void (*) (struct target_ops *)) | |
0d06e24b | 518 | target_ignore); |
2bc416ba | 519 | de_fault (to_insert_breakpoint, |
0d06e24b | 520 | memory_insert_breakpoint); |
2bc416ba | 521 | de_fault (to_remove_breakpoint, |
0d06e24b | 522 | memory_remove_breakpoint); |
ccaa32c7 GS |
523 | de_fault (to_can_use_hw_breakpoint, |
524 | (int (*) (int, int, int)) | |
525 | return_zero); | |
526 | de_fault (to_insert_hw_breakpoint, | |
8181d85f | 527 | (int (*) (struct bp_target_info *)) |
ccaa32c7 GS |
528 | return_minus_one); |
529 | de_fault (to_remove_hw_breakpoint, | |
8181d85f | 530 | (int (*) (struct bp_target_info *)) |
ccaa32c7 GS |
531 | return_minus_one); |
532 | de_fault (to_insert_watchpoint, | |
533 | (int (*) (CORE_ADDR, int, int)) | |
534 | return_minus_one); | |
535 | de_fault (to_remove_watchpoint, | |
536 | (int (*) (CORE_ADDR, int, int)) | |
537 | return_minus_one); | |
538 | de_fault (to_stopped_by_watchpoint, | |
539 | (int (*) (void)) | |
540 | return_zero); | |
541 | de_fault (to_stopped_data_address, | |
4aa7a7f5 | 542 | (int (*) (struct target_ops *, CORE_ADDR *)) |
ccaa32c7 | 543 | return_zero); |
e0d24f8d WZ |
544 | de_fault (to_region_ok_for_hw_watchpoint, |
545 | default_region_ok_for_hw_watchpoint); | |
2bc416ba DJ |
546 | de_fault (to_terminal_init, |
547 | (void (*) (void)) | |
0d06e24b | 548 | target_ignore); |
2bc416ba DJ |
549 | de_fault (to_terminal_inferior, |
550 | (void (*) (void)) | |
0d06e24b | 551 | target_ignore); |
2bc416ba DJ |
552 | de_fault (to_terminal_ours_for_output, |
553 | (void (*) (void)) | |
0d06e24b | 554 | target_ignore); |
2bc416ba DJ |
555 | de_fault (to_terminal_ours, |
556 | (void (*) (void)) | |
0d06e24b | 557 | target_ignore); |
2bc416ba DJ |
558 | de_fault (to_terminal_save_ours, |
559 | (void (*) (void)) | |
a790ad35 | 560 | target_ignore); |
2bc416ba | 561 | de_fault (to_terminal_info, |
0d06e24b | 562 | default_terminal_info); |
2bc416ba DJ |
563 | de_fault (to_kill, |
564 | (void (*) (void)) | |
0d06e24b | 565 | noprocess); |
2bc416ba DJ |
566 | de_fault (to_load, |
567 | (void (*) (char *, int)) | |
0d06e24b | 568 | tcomplain); |
2bc416ba DJ |
569 | de_fault (to_lookup_symbol, |
570 | (int (*) (char *, CORE_ADDR *)) | |
0d06e24b | 571 | nosymbol); |
2bc416ba | 572 | de_fault (to_create_inferior, |
0d06e24b | 573 | maybe_kill_then_create_inferior); |
2bc416ba DJ |
574 | de_fault (to_post_startup_inferior, |
575 | (void (*) (ptid_t)) | |
0d06e24b | 576 | target_ignore); |
2bc416ba DJ |
577 | de_fault (to_acknowledge_created_inferior, |
578 | (void (*) (int)) | |
0d06e24b | 579 | target_ignore); |
2bc416ba DJ |
580 | de_fault (to_insert_fork_catchpoint, |
581 | (void (*) (int)) | |
0d06e24b | 582 | tcomplain); |
2bc416ba DJ |
583 | de_fault (to_remove_fork_catchpoint, |
584 | (int (*) (int)) | |
0d06e24b | 585 | tcomplain); |
2bc416ba DJ |
586 | de_fault (to_insert_vfork_catchpoint, |
587 | (void (*) (int)) | |
0d06e24b | 588 | tcomplain); |
2bc416ba DJ |
589 | de_fault (to_remove_vfork_catchpoint, |
590 | (int (*) (int)) | |
0d06e24b | 591 | tcomplain); |
2bc416ba DJ |
592 | de_fault (to_insert_exec_catchpoint, |
593 | (void (*) (int)) | |
0d06e24b | 594 | tcomplain); |
2bc416ba DJ |
595 | de_fault (to_remove_exec_catchpoint, |
596 | (int (*) (int)) | |
0d06e24b | 597 | tcomplain); |
2bc416ba DJ |
598 | de_fault (to_reported_exec_events_per_exec_call, |
599 | (int (*) (void)) | |
0d06e24b | 600 | return_one); |
2bc416ba DJ |
601 | de_fault (to_has_exited, |
602 | (int (*) (int, int, int *)) | |
0d06e24b | 603 | return_zero); |
2bc416ba DJ |
604 | de_fault (to_mourn_inferior, |
605 | (void (*) (void)) | |
0d06e24b | 606 | noprocess); |
2bc416ba | 607 | de_fault (to_can_run, |
0d06e24b | 608 | return_zero); |
2bc416ba DJ |
609 | de_fault (to_notice_signals, |
610 | (void (*) (ptid_t)) | |
0d06e24b | 611 | target_ignore); |
2bc416ba DJ |
612 | de_fault (to_thread_alive, |
613 | (int (*) (ptid_t)) | |
0d06e24b | 614 | return_zero); |
2bc416ba DJ |
615 | de_fault (to_find_new_threads, |
616 | (void (*) (void)) | |
0d06e24b | 617 | target_ignore); |
2bc416ba DJ |
618 | de_fault (to_extra_thread_info, |
619 | (char *(*) (struct thread_info *)) | |
0d06e24b | 620 | return_zero); |
2bc416ba DJ |
621 | de_fault (to_stop, |
622 | (void (*) (void)) | |
0d06e24b | 623 | target_ignore); |
cf7a04e8 | 624 | current_target.to_xfer_partial = current_xfer_partial; |
2bc416ba DJ |
625 | de_fault (to_rcmd, |
626 | (void (*) (char *, struct ui_file *)) | |
0d06e24b | 627 | tcomplain); |
2bc416ba DJ |
628 | de_fault (to_enable_exception_callback, |
629 | (struct symtab_and_line * (*) (enum exception_event_kind, int)) | |
0d06e24b | 630 | nosupport_runtime); |
2bc416ba DJ |
631 | de_fault (to_get_current_exception_event, |
632 | (struct exception_event_record * (*) (void)) | |
0d06e24b | 633 | nosupport_runtime); |
2bc416ba DJ |
634 | de_fault (to_pid_to_exec_file, |
635 | (char *(*) (int)) | |
0d06e24b | 636 | return_zero); |
2bc416ba DJ |
637 | de_fault (to_can_async_p, |
638 | (int (*) (void)) | |
0d06e24b | 639 | return_zero); |
2bc416ba DJ |
640 | de_fault (to_is_async_p, |
641 | (int (*) (void)) | |
0d06e24b | 642 | return_zero); |
2bc416ba DJ |
643 | de_fault (to_async, |
644 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
0d06e24b | 645 | tcomplain); |
424163ea | 646 | current_target.to_read_description = NULL; |
c906108c | 647 | #undef de_fault |
c906108c | 648 | |
7998dfc3 AC |
649 | /* Finally, position the target-stack beneath the squashed |
650 | "current_target". That way code looking for a non-inherited | |
651 | target method can quickly and simply find it. */ | |
652 | current_target.beneath = target_stack; | |
c906108c SS |
653 | } |
654 | ||
52bb452f DJ |
655 | /* Mark OPS as a running target. This reverses the effect |
656 | of target_mark_exited. */ | |
657 | ||
658 | void | |
659 | target_mark_running (struct target_ops *ops) | |
660 | { | |
661 | struct target_ops *t; | |
662 | ||
663 | for (t = target_stack; t != NULL; t = t->beneath) | |
664 | if (t == ops) | |
665 | break; | |
666 | if (t == NULL) | |
667 | internal_error (__FILE__, __LINE__, | |
668 | "Attempted to mark unpushed target \"%s\" as running", | |
669 | ops->to_shortname); | |
670 | ||
671 | ops->to_has_execution = 1; | |
672 | ops->to_has_all_memory = 1; | |
673 | ops->to_has_memory = 1; | |
674 | ops->to_has_stack = 1; | |
675 | ops->to_has_registers = 1; | |
676 | ||
677 | update_current_target (); | |
678 | } | |
679 | ||
680 | /* Mark OPS as a non-running target. This reverses the effect | |
681 | of target_mark_running. */ | |
682 | ||
683 | void | |
684 | target_mark_exited (struct target_ops *ops) | |
685 | { | |
686 | struct target_ops *t; | |
687 | ||
688 | for (t = target_stack; t != NULL; t = t->beneath) | |
689 | if (t == ops) | |
690 | break; | |
691 | if (t == NULL) | |
692 | internal_error (__FILE__, __LINE__, | |
693 | "Attempted to mark unpushed target \"%s\" as running", | |
694 | ops->to_shortname); | |
695 | ||
696 | ops->to_has_execution = 0; | |
697 | ops->to_has_all_memory = 0; | |
698 | ops->to_has_memory = 0; | |
699 | ops->to_has_stack = 0; | |
700 | ops->to_has_registers = 0; | |
701 | ||
702 | update_current_target (); | |
703 | } | |
704 | ||
c906108c SS |
705 | /* Push a new target type into the stack of the existing target accessors, |
706 | possibly superseding some of the existing accessors. | |
707 | ||
708 | Result is zero if the pushed target ended up on top of the stack, | |
709 | nonzero if at least one target is on top of it. | |
710 | ||
711 | Rather than allow an empty stack, we always have the dummy target at | |
712 | the bottom stratum, so we can call the function vectors without | |
713 | checking them. */ | |
714 | ||
715 | int | |
fba45db2 | 716 | push_target (struct target_ops *t) |
c906108c | 717 | { |
258b763a | 718 | struct target_ops **cur; |
c906108c SS |
719 | |
720 | /* Check magic number. If wrong, it probably means someone changed | |
721 | the struct definition, but not all the places that initialize one. */ | |
722 | if (t->to_magic != OPS_MAGIC) | |
723 | { | |
c5aa993b JM |
724 | fprintf_unfiltered (gdb_stderr, |
725 | "Magic number of %s target struct wrong\n", | |
726 | t->to_shortname); | |
e2e0b3e5 | 727 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); |
c906108c SS |
728 | } |
729 | ||
258b763a AC |
730 | /* Find the proper stratum to install this target in. */ |
731 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) | |
c906108c | 732 | { |
258b763a | 733 | if ((int) (t->to_stratum) >= (int) (*cur)->to_stratum) |
c906108c SS |
734 | break; |
735 | } | |
736 | ||
258b763a | 737 | /* If there's already targets at this stratum, remove them. */ |
88c231eb | 738 | /* FIXME: cagney/2003-10-15: I think this should be popping all |
258b763a AC |
739 | targets to CUR, and not just those at this stratum level. */ |
740 | while ((*cur) != NULL && t->to_stratum == (*cur)->to_stratum) | |
741 | { | |
742 | /* There's already something at this stratum level. Close it, | |
743 | and un-hook it from the stack. */ | |
744 | struct target_ops *tmp = (*cur); | |
745 | (*cur) = (*cur)->beneath; | |
746 | tmp->beneath = NULL; | |
f1c07ab0 | 747 | target_close (tmp, 0); |
258b763a | 748 | } |
c906108c SS |
749 | |
750 | /* We have removed all targets in our stratum, now add the new one. */ | |
258b763a AC |
751 | t->beneath = (*cur); |
752 | (*cur) = t; | |
c906108c SS |
753 | |
754 | update_current_target (); | |
755 | ||
c906108c SS |
756 | if (targetdebug) |
757 | setup_target_debug (); | |
c906108c | 758 | |
258b763a AC |
759 | /* Not on top? */ |
760 | return (t != target_stack); | |
c906108c SS |
761 | } |
762 | ||
2bc416ba | 763 | /* Remove a target_ops vector from the stack, wherever it may be. |
c906108c SS |
764 | Return how many times it was removed (0 or 1). */ |
765 | ||
766 | int | |
fba45db2 | 767 | unpush_target (struct target_ops *t) |
c906108c | 768 | { |
258b763a AC |
769 | struct target_ops **cur; |
770 | struct target_ops *tmp; | |
c906108c | 771 | |
c906108c SS |
772 | /* Look for the specified target. Note that we assume that a target |
773 | can only occur once in the target stack. */ | |
774 | ||
258b763a AC |
775 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) |
776 | { | |
777 | if ((*cur) == t) | |
778 | break; | |
779 | } | |
c906108c | 780 | |
258b763a | 781 | if ((*cur) == NULL) |
c906108c SS |
782 | return 0; /* Didn't find target_ops, quit now */ |
783 | ||
5269965e AC |
784 | /* NOTE: cagney/2003-12-06: In '94 the close call was made |
785 | unconditional by moving it to before the above check that the | |
786 | target was in the target stack (something about "Change the way | |
787 | pushing and popping of targets work to support target overlays | |
788 | and inheritance"). This doesn't make much sense - only open | |
789 | targets should be closed. */ | |
790 | target_close (t, 0); | |
791 | ||
c906108c | 792 | /* Unchain the target */ |
258b763a AC |
793 | tmp = (*cur); |
794 | (*cur) = (*cur)->beneath; | |
795 | tmp->beneath = NULL; | |
c906108c SS |
796 | |
797 | update_current_target (); | |
c906108c SS |
798 | |
799 | return 1; | |
800 | } | |
801 | ||
802 | void | |
fba45db2 | 803 | pop_target (void) |
c906108c | 804 | { |
f1c07ab0 | 805 | target_close (¤t_target, 0); /* Let it clean up */ |
258b763a | 806 | if (unpush_target (target_stack) == 1) |
c906108c SS |
807 | return; |
808 | ||
c5aa993b JM |
809 | fprintf_unfiltered (gdb_stderr, |
810 | "pop_target couldn't find target %s\n", | |
811 | current_target.to_shortname); | |
e2e0b3e5 | 812 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); |
c906108c SS |
813 | } |
814 | ||
9e35dae4 DJ |
815 | /* Using the objfile specified in BATON, find the address for the |
816 | current thread's thread-local storage with offset OFFSET. */ | |
817 | CORE_ADDR | |
818 | target_translate_tls_address (struct objfile *objfile, CORE_ADDR offset) | |
819 | { | |
820 | volatile CORE_ADDR addr = 0; | |
821 | ||
822 | if (target_get_thread_local_address_p () | |
823 | && gdbarch_fetch_tls_load_module_address_p (current_gdbarch)) | |
824 | { | |
825 | ptid_t ptid = inferior_ptid; | |
826 | volatile struct gdb_exception ex; | |
827 | ||
828 | TRY_CATCH (ex, RETURN_MASK_ALL) | |
829 | { | |
830 | CORE_ADDR lm_addr; | |
831 | ||
832 | /* Fetch the load module address for this objfile. */ | |
833 | lm_addr = gdbarch_fetch_tls_load_module_address (current_gdbarch, | |
834 | objfile); | |
835 | /* If it's 0, throw the appropriate exception. */ | |
836 | if (lm_addr == 0) | |
837 | throw_error (TLS_LOAD_MODULE_NOT_FOUND_ERROR, | |
838 | _("TLS load module not found")); | |
839 | ||
840 | addr = target_get_thread_local_address (ptid, lm_addr, offset); | |
841 | } | |
842 | /* If an error occurred, print TLS related messages here. Otherwise, | |
843 | throw the error to some higher catcher. */ | |
844 | if (ex.reason < 0) | |
845 | { | |
846 | int objfile_is_library = (objfile->flags & OBJF_SHARED); | |
847 | ||
848 | switch (ex.error) | |
849 | { | |
850 | case TLS_NO_LIBRARY_SUPPORT_ERROR: | |
851 | error (_("Cannot find thread-local variables in this thread library.")); | |
852 | break; | |
853 | case TLS_LOAD_MODULE_NOT_FOUND_ERROR: | |
854 | if (objfile_is_library) | |
855 | error (_("Cannot find shared library `%s' in dynamic" | |
856 | " linker's load module list"), objfile->name); | |
857 | else | |
858 | error (_("Cannot find executable file `%s' in dynamic" | |
859 | " linker's load module list"), objfile->name); | |
860 | break; | |
861 | case TLS_NOT_ALLOCATED_YET_ERROR: | |
862 | if (objfile_is_library) | |
863 | error (_("The inferior has not yet allocated storage for" | |
864 | " thread-local variables in\n" | |
865 | "the shared library `%s'\n" | |
866 | "for %s"), | |
867 | objfile->name, target_pid_to_str (ptid)); | |
868 | else | |
869 | error (_("The inferior has not yet allocated storage for" | |
870 | " thread-local variables in\n" | |
871 | "the executable `%s'\n" | |
872 | "for %s"), | |
873 | objfile->name, target_pid_to_str (ptid)); | |
874 | break; | |
875 | case TLS_GENERIC_ERROR: | |
876 | if (objfile_is_library) | |
877 | error (_("Cannot find thread-local storage for %s, " | |
878 | "shared library %s:\n%s"), | |
879 | target_pid_to_str (ptid), | |
880 | objfile->name, ex.message); | |
881 | else | |
882 | error (_("Cannot find thread-local storage for %s, " | |
883 | "executable file %s:\n%s"), | |
884 | target_pid_to_str (ptid), | |
885 | objfile->name, ex.message); | |
886 | break; | |
887 | default: | |
888 | throw_exception (ex); | |
889 | break; | |
890 | } | |
891 | } | |
892 | } | |
893 | /* It wouldn't be wrong here to try a gdbarch method, too; finding | |
894 | TLS is an ABI-specific thing. But we don't do that yet. */ | |
895 | else | |
896 | error (_("Cannot find thread-local variables on this target")); | |
897 | ||
898 | return addr; | |
899 | } | |
900 | ||
c906108c SS |
901 | #undef MIN |
902 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
903 | ||
904 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
905 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
906 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
907 | is responsible for freeing it. Return the number of bytes successfully | |
908 | read. */ | |
909 | ||
910 | int | |
fba45db2 | 911 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
912 | { |
913 | int tlen, origlen, offset, i; | |
1b0ba102 | 914 | gdb_byte buf[4]; |
c906108c SS |
915 | int errcode = 0; |
916 | char *buffer; | |
917 | int buffer_allocated; | |
918 | char *bufptr; | |
919 | unsigned int nbytes_read = 0; | |
920 | ||
921 | /* Small for testing. */ | |
922 | buffer_allocated = 4; | |
923 | buffer = xmalloc (buffer_allocated); | |
924 | bufptr = buffer; | |
925 | ||
926 | origlen = len; | |
927 | ||
928 | while (len > 0) | |
929 | { | |
930 | tlen = MIN (len, 4 - (memaddr & 3)); | |
931 | offset = memaddr & 3; | |
932 | ||
1b0ba102 | 933 | errcode = target_read_memory (memaddr & ~3, buf, sizeof buf); |
c906108c SS |
934 | if (errcode != 0) |
935 | { | |
936 | /* The transfer request might have crossed the boundary to an | |
937 | unallocated region of memory. Retry the transfer, requesting | |
938 | a single byte. */ | |
939 | tlen = 1; | |
940 | offset = 0; | |
b8eb5af0 | 941 | errcode = target_read_memory (memaddr, buf, 1); |
c906108c SS |
942 | if (errcode != 0) |
943 | goto done; | |
944 | } | |
945 | ||
946 | if (bufptr - buffer + tlen > buffer_allocated) | |
947 | { | |
948 | unsigned int bytes; | |
949 | bytes = bufptr - buffer; | |
950 | buffer_allocated *= 2; | |
951 | buffer = xrealloc (buffer, buffer_allocated); | |
952 | bufptr = buffer + bytes; | |
953 | } | |
954 | ||
955 | for (i = 0; i < tlen; i++) | |
956 | { | |
957 | *bufptr++ = buf[i + offset]; | |
958 | if (buf[i + offset] == '\000') | |
959 | { | |
960 | nbytes_read += i + 1; | |
961 | goto done; | |
962 | } | |
963 | } | |
964 | ||
965 | memaddr += tlen; | |
966 | len -= tlen; | |
967 | nbytes_read += tlen; | |
968 | } | |
c5aa993b | 969 | done: |
c906108c SS |
970 | if (errnop != NULL) |
971 | *errnop = errcode; | |
972 | if (string != NULL) | |
973 | *string = buffer; | |
974 | return nbytes_read; | |
975 | } | |
976 | ||
8db32d44 AC |
977 | /* Find a section containing ADDR. */ |
978 | struct section_table * | |
979 | target_section_by_addr (struct target_ops *target, CORE_ADDR addr) | |
980 | { | |
981 | struct section_table *secp; | |
982 | for (secp = target->to_sections; | |
983 | secp < target->to_sections_end; | |
984 | secp++) | |
985 | { | |
986 | if (addr >= secp->addr && addr < secp->endaddr) | |
987 | return secp; | |
988 | } | |
989 | return NULL; | |
990 | } | |
991 | ||
cf7a04e8 DJ |
992 | /* Perform a partial memory transfer. The arguments and return |
993 | value are just as for target_xfer_partial. */ | |
994 | ||
995 | static LONGEST | |
996 | memory_xfer_partial (struct target_ops *ops, void *readbuf, const void *writebuf, | |
997 | ULONGEST memaddr, LONGEST len) | |
0779438d | 998 | { |
cf7a04e8 DJ |
999 | LONGEST res; |
1000 | int reg_len; | |
1001 | struct mem_region *region; | |
1002 | ||
1003 | /* Zero length requests are ok and require no work. */ | |
1004 | if (len == 0) | |
1005 | return 0; | |
1006 | ||
1007 | /* Try the executable file, if "trust-readonly-sections" is set. */ | |
1008 | if (readbuf != NULL && trust_readonly) | |
1009 | { | |
1010 | struct section_table *secp; | |
1011 | ||
1012 | secp = target_section_by_addr (ops, memaddr); | |
1013 | if (secp != NULL | |
1014 | && (bfd_get_section_flags (secp->bfd, secp->the_bfd_section) | |
1015 | & SEC_READONLY)) | |
1016 | return xfer_memory (memaddr, readbuf, len, 0, NULL, ops); | |
1017 | } | |
1018 | ||
1019 | /* Try GDB's internal data cache. */ | |
1020 | region = lookup_mem_region (memaddr); | |
4b5752d0 VP |
1021 | /* region->hi == 0 means there's no upper bound. */ |
1022 | if (memaddr + len < region->hi || region->hi == 0) | |
cf7a04e8 DJ |
1023 | reg_len = len; |
1024 | else | |
1025 | reg_len = region->hi - memaddr; | |
1026 | ||
1027 | switch (region->attrib.mode) | |
1028 | { | |
1029 | case MEM_RO: | |
1030 | if (writebuf != NULL) | |
1031 | return -1; | |
1032 | break; | |
1033 | ||
1034 | case MEM_WO: | |
1035 | if (readbuf != NULL) | |
1036 | return -1; | |
1037 | break; | |
a76d924d DJ |
1038 | |
1039 | case MEM_FLASH: | |
1040 | /* We only support writing to flash during "load" for now. */ | |
1041 | if (writebuf != NULL) | |
1042 | error (_("Writing to flash memory forbidden in this context")); | |
1043 | break; | |
4b5752d0 VP |
1044 | |
1045 | case MEM_NONE: | |
1046 | return -1; | |
cf7a04e8 DJ |
1047 | } |
1048 | ||
1049 | if (region->attrib.cache) | |
1050 | { | |
1051 | /* FIXME drow/2006-08-09: This call discards OPS, so the raw | |
1052 | memory request will start back at current_target. */ | |
1053 | if (readbuf != NULL) | |
1054 | res = dcache_xfer_memory (target_dcache, memaddr, readbuf, | |
1055 | reg_len, 0); | |
1056 | else | |
1057 | /* FIXME drow/2006-08-09: If we're going to preserve const | |
1058 | correctness dcache_xfer_memory should take readbuf and | |
1059 | writebuf. */ | |
1060 | res = dcache_xfer_memory (target_dcache, memaddr, | |
1061 | (void *) writebuf, | |
1062 | reg_len, 1); | |
1063 | if (res <= 0) | |
1064 | return -1; | |
1065 | else | |
1066 | return res; | |
1067 | } | |
1068 | ||
1069 | /* If none of those methods found the memory we wanted, fall back | |
1070 | to a target partial transfer. Normally a single call to | |
1071 | to_xfer_partial is enough; if it doesn't recognize an object | |
1072 | it will call the to_xfer_partial of the next target down. | |
1073 | But for memory this won't do. Memory is the only target | |
1074 | object which can be read from more than one valid target. | |
1075 | A core file, for instance, could have some of memory but | |
1076 | delegate other bits to the target below it. So, we must | |
1077 | manually try all targets. */ | |
1078 | ||
1079 | do | |
1080 | { | |
1081 | res = ops->to_xfer_partial (ops, TARGET_OBJECT_MEMORY, NULL, | |
4b5752d0 | 1082 | readbuf, writebuf, memaddr, reg_len); |
cf7a04e8 DJ |
1083 | if (res > 0) |
1084 | return res; | |
1085 | ||
1086 | ops = ops->beneath; | |
1087 | } | |
1088 | while (ops != NULL); | |
1089 | ||
1090 | /* If we still haven't got anything, return the last error. We | |
1091 | give up. */ | |
1092 | return res; | |
0779438d AC |
1093 | } |
1094 | ||
27394598 AC |
1095 | static LONGEST |
1096 | target_xfer_partial (struct target_ops *ops, | |
1097 | enum target_object object, const char *annex, | |
1098 | void *readbuf, const void *writebuf, | |
1099 | ULONGEST offset, LONGEST len) | |
1100 | { | |
1101 | LONGEST retval; | |
1102 | ||
1103 | gdb_assert (ops->to_xfer_partial != NULL); | |
cf7a04e8 DJ |
1104 | |
1105 | /* If this is a memory transfer, let the memory-specific code | |
1106 | have a look at it instead. Memory transfers are more | |
1107 | complicated. */ | |
1108 | if (object == TARGET_OBJECT_MEMORY) | |
1109 | retval = memory_xfer_partial (ops, readbuf, writebuf, offset, len); | |
1110 | else | |
1111 | { | |
1112 | enum target_object raw_object = object; | |
1113 | ||
1114 | /* If this is a raw memory transfer, request the normal | |
1115 | memory object from other layers. */ | |
1116 | if (raw_object == TARGET_OBJECT_RAW_MEMORY) | |
1117 | raw_object = TARGET_OBJECT_MEMORY; | |
1118 | ||
1119 | retval = ops->to_xfer_partial (ops, raw_object, annex, readbuf, | |
1120 | writebuf, offset, len); | |
1121 | } | |
1122 | ||
27394598 AC |
1123 | if (targetdebug) |
1124 | { | |
1125 | const unsigned char *myaddr = NULL; | |
1126 | ||
1127 | fprintf_unfiltered (gdb_stdlog, | |
1128 | "%s:target_xfer_partial (%d, %s, 0x%lx, 0x%lx, 0x%s, %s) = %s", | |
1129 | ops->to_shortname, | |
1130 | (int) object, | |
1131 | (annex ? annex : "(null)"), | |
1132 | (long) readbuf, (long) writebuf, | |
1133 | paddr_nz (offset), paddr_d (len), paddr_d (retval)); | |
1134 | ||
1135 | if (readbuf) | |
1136 | myaddr = readbuf; | |
1137 | if (writebuf) | |
1138 | myaddr = writebuf; | |
1139 | if (retval > 0 && myaddr != NULL) | |
1140 | { | |
1141 | int i; | |
2bc416ba | 1142 | |
27394598 AC |
1143 | fputs_unfiltered (", bytes =", gdb_stdlog); |
1144 | for (i = 0; i < retval; i++) | |
1145 | { | |
1146 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
1147 | { | |
1148 | if (targetdebug < 2 && i > 0) | |
1149 | { | |
1150 | fprintf_unfiltered (gdb_stdlog, " ..."); | |
1151 | break; | |
1152 | } | |
1153 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
1154 | } | |
2bc416ba | 1155 | |
27394598 AC |
1156 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); |
1157 | } | |
1158 | } | |
2bc416ba | 1159 | |
27394598 AC |
1160 | fputc_unfiltered ('\n', gdb_stdlog); |
1161 | } | |
1162 | return retval; | |
1163 | } | |
1164 | ||
c906108c SS |
1165 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in |
1166 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
1167 | if any error occurs. | |
1168 | ||
1169 | If an error occurs, no guarantee is made about the contents of the data at | |
1170 | MYADDR. In particular, the caller should not depend upon partial reads | |
1171 | filling the buffer with good data. There is no way for the caller to know | |
1172 | how much good data might have been transfered anyway. Callers that can | |
cf7a04e8 DJ |
1173 | deal with partial reads should call target_read (which will retry until |
1174 | it makes no progress, and then return how much was transferred). */ | |
c906108c SS |
1175 | |
1176 | int | |
fc1a4b47 | 1177 | target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len) |
c906108c | 1178 | { |
cf7a04e8 DJ |
1179 | if (target_read (¤t_target, TARGET_OBJECT_MEMORY, NULL, |
1180 | myaddr, memaddr, len) == len) | |
1181 | return 0; | |
0779438d | 1182 | else |
cf7a04e8 | 1183 | return EIO; |
c906108c SS |
1184 | } |
1185 | ||
c906108c | 1186 | int |
fc1a4b47 | 1187 | target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len) |
c906108c | 1188 | { |
cf7a04e8 DJ |
1189 | if (target_write (¤t_target, TARGET_OBJECT_MEMORY, NULL, |
1190 | myaddr, memaddr, len) == len) | |
1191 | return 0; | |
0779438d | 1192 | else |
cf7a04e8 | 1193 | return EIO; |
c906108c | 1194 | } |
c5aa993b | 1195 | |
fd79ecee DJ |
1196 | /* Fetch the target's memory map. */ |
1197 | ||
1198 | VEC(mem_region_s) * | |
1199 | target_memory_map (void) | |
1200 | { | |
1201 | VEC(mem_region_s) *result; | |
1202 | struct mem_region *last_one, *this_one; | |
1203 | int ix; | |
1204 | struct target_ops *t; | |
1205 | ||
1206 | if (targetdebug) | |
1207 | fprintf_unfiltered (gdb_stdlog, "target_memory_map ()\n"); | |
1208 | ||
1209 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1210 | if (t->to_memory_map != NULL) | |
1211 | break; | |
1212 | ||
1213 | if (t == NULL) | |
1214 | return NULL; | |
1215 | ||
1216 | result = t->to_memory_map (t); | |
1217 | if (result == NULL) | |
1218 | return NULL; | |
1219 | ||
1220 | qsort (VEC_address (mem_region_s, result), | |
1221 | VEC_length (mem_region_s, result), | |
1222 | sizeof (struct mem_region), mem_region_cmp); | |
1223 | ||
1224 | /* Check that regions do not overlap. Simultaneously assign | |
1225 | a numbering for the "mem" commands to use to refer to | |
1226 | each region. */ | |
1227 | last_one = NULL; | |
1228 | for (ix = 0; VEC_iterate (mem_region_s, result, ix, this_one); ix++) | |
1229 | { | |
1230 | this_one->number = ix; | |
1231 | ||
1232 | if (last_one && last_one->hi > this_one->lo) | |
1233 | { | |
1234 | warning (_("Overlapping regions in memory map: ignoring")); | |
1235 | VEC_free (mem_region_s, result); | |
1236 | return NULL; | |
1237 | } | |
1238 | last_one = this_one; | |
1239 | } | |
1240 | ||
1241 | return result; | |
1242 | } | |
1243 | ||
a76d924d DJ |
1244 | void |
1245 | target_flash_erase (ULONGEST address, LONGEST length) | |
1246 | { | |
1247 | struct target_ops *t; | |
1248 | ||
1249 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1250 | if (t->to_flash_erase != NULL) | |
1251 | { | |
1252 | if (targetdebug) | |
1253 | fprintf_unfiltered (gdb_stdlog, "target_flash_erase (%s, %s)\n", | |
1254 | paddr (address), phex (length, 0)); | |
8944021f DJ |
1255 | t->to_flash_erase (t, address, length); |
1256 | return; | |
a76d924d DJ |
1257 | } |
1258 | ||
1259 | tcomplain (); | |
1260 | } | |
1261 | ||
1262 | void | |
1263 | target_flash_done (void) | |
1264 | { | |
1265 | struct target_ops *t; | |
1266 | ||
1267 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1268 | if (t->to_flash_done != NULL) | |
1269 | { | |
1270 | if (targetdebug) | |
1271 | fprintf_unfiltered (gdb_stdlog, "target_flash_done\n"); | |
8944021f DJ |
1272 | t->to_flash_done (t); |
1273 | return; | |
a76d924d DJ |
1274 | } |
1275 | ||
1276 | tcomplain (); | |
1277 | } | |
1278 | ||
4aa7a7f5 JJ |
1279 | #ifndef target_stopped_data_address_p |
1280 | int | |
1281 | target_stopped_data_address_p (struct target_ops *target) | |
1282 | { | |
aa869812 AC |
1283 | if (target->to_stopped_data_address |
1284 | == (int (*) (struct target_ops *, CORE_ADDR *)) return_zero) | |
4aa7a7f5 | 1285 | return 0; |
aa869812 AC |
1286 | if (target->to_stopped_data_address == debug_to_stopped_data_address |
1287 | && (debug_target.to_stopped_data_address | |
1288 | == (int (*) (struct target_ops *, CORE_ADDR *)) return_zero)) | |
1289 | return 0; | |
1290 | return 1; | |
4aa7a7f5 JJ |
1291 | } |
1292 | #endif | |
1293 | ||
920d2a44 AC |
1294 | static void |
1295 | show_trust_readonly (struct ui_file *file, int from_tty, | |
1296 | struct cmd_list_element *c, const char *value) | |
1297 | { | |
1298 | fprintf_filtered (file, _("\ | |
1299 | Mode for reading from readonly sections is %s.\n"), | |
1300 | value); | |
1301 | } | |
3a11626d | 1302 | |
1e3ff5ad AC |
1303 | /* More generic transfers. */ |
1304 | ||
0088c768 | 1305 | static LONGEST |
8aa91c1e | 1306 | default_xfer_partial (struct target_ops *ops, enum target_object object, |
2bc416ba | 1307 | const char *annex, gdb_byte *readbuf, |
1b0ba102 | 1308 | const gdb_byte *writebuf, ULONGEST offset, LONGEST len) |
0088c768 AC |
1309 | { |
1310 | if (object == TARGET_OBJECT_MEMORY | |
c8e73a31 AC |
1311 | && ops->deprecated_xfer_memory != NULL) |
1312 | /* If available, fall back to the target's | |
1313 | "deprecated_xfer_memory" method. */ | |
0088c768 | 1314 | { |
4b8a223f | 1315 | int xfered = -1; |
0088c768 | 1316 | errno = 0; |
4b8a223f AC |
1317 | if (writebuf != NULL) |
1318 | { | |
1319 | void *buffer = xmalloc (len); | |
1320 | struct cleanup *cleanup = make_cleanup (xfree, buffer); | |
1321 | memcpy (buffer, writebuf, len); | |
c8e73a31 AC |
1322 | xfered = ops->deprecated_xfer_memory (offset, buffer, len, |
1323 | 1/*write*/, NULL, ops); | |
4b8a223f AC |
1324 | do_cleanups (cleanup); |
1325 | } | |
1326 | if (readbuf != NULL) | |
c8e73a31 AC |
1327 | xfered = ops->deprecated_xfer_memory (offset, readbuf, len, 0/*read*/, |
1328 | NULL, ops); | |
0088c768 AC |
1329 | if (xfered > 0) |
1330 | return xfered; | |
1331 | else if (xfered == 0 && errno == 0) | |
c8e73a31 AC |
1332 | /* "deprecated_xfer_memory" uses 0, cross checked against |
1333 | ERRNO as one indication of an error. */ | |
0088c768 AC |
1334 | return 0; |
1335 | else | |
1336 | return -1; | |
1337 | } | |
1338 | else if (ops->beneath != NULL) | |
cf7a04e8 DJ |
1339 | return ops->beneath->to_xfer_partial (ops->beneath, object, annex, |
1340 | readbuf, writebuf, offset, len); | |
1341 | else | |
1342 | return -1; | |
1343 | } | |
1344 | ||
1345 | /* The xfer_partial handler for the topmost target. Unlike the default, | |
1346 | it does not need to handle memory specially; it just passes all | |
1347 | requests down the stack. */ | |
1348 | ||
1349 | static LONGEST | |
1350 | current_xfer_partial (struct target_ops *ops, enum target_object object, | |
1351 | const char *annex, gdb_byte *readbuf, | |
1352 | const gdb_byte *writebuf, ULONGEST offset, LONGEST len) | |
1353 | { | |
1354 | if (ops->beneath != NULL) | |
1355 | return ops->beneath->to_xfer_partial (ops->beneath, object, annex, | |
1356 | readbuf, writebuf, offset, len); | |
0088c768 AC |
1357 | else |
1358 | return -1; | |
1359 | } | |
1360 | ||
1361 | /* Target vector read/write partial wrapper functions. | |
1362 | ||
1363 | NOTE: cagney/2003-10-21: I wonder if having "to_xfer_partial | |
1364 | (inbuf, outbuf)", instead of separate read/write methods, make life | |
1365 | easier. */ | |
1366 | ||
13547ab6 | 1367 | static LONGEST |
1e3ff5ad AC |
1368 | target_read_partial (struct target_ops *ops, |
1369 | enum target_object object, | |
1b0ba102 | 1370 | const char *annex, gdb_byte *buf, |
1e3ff5ad AC |
1371 | ULONGEST offset, LONGEST len) |
1372 | { | |
27394598 | 1373 | return target_xfer_partial (ops, object, annex, buf, NULL, offset, len); |
1e3ff5ad AC |
1374 | } |
1375 | ||
13547ab6 | 1376 | static LONGEST |
1e3ff5ad AC |
1377 | target_write_partial (struct target_ops *ops, |
1378 | enum target_object object, | |
1b0ba102 | 1379 | const char *annex, const gdb_byte *buf, |
1e3ff5ad AC |
1380 | ULONGEST offset, LONGEST len) |
1381 | { | |
27394598 | 1382 | return target_xfer_partial (ops, object, annex, NULL, buf, offset, len); |
1e3ff5ad AC |
1383 | } |
1384 | ||
1385 | /* Wrappers to perform the full transfer. */ | |
1386 | LONGEST | |
1387 | target_read (struct target_ops *ops, | |
1388 | enum target_object object, | |
1b0ba102 | 1389 | const char *annex, gdb_byte *buf, |
1e3ff5ad AC |
1390 | ULONGEST offset, LONGEST len) |
1391 | { | |
1392 | LONGEST xfered = 0; | |
1393 | while (xfered < len) | |
1394 | { | |
0088c768 | 1395 | LONGEST xfer = target_read_partial (ops, object, annex, |
fc1a4b47 | 1396 | (gdb_byte *) buf + xfered, |
0088c768 | 1397 | offset + xfered, len - xfered); |
1e3ff5ad | 1398 | /* Call an observer, notifying them of the xfer progress? */ |
13547ab6 DJ |
1399 | if (xfer == 0) |
1400 | return xfered; | |
1401 | if (xfer < 0) | |
0088c768 | 1402 | return -1; |
1e3ff5ad AC |
1403 | xfered += xfer; |
1404 | QUIT; | |
1405 | } | |
1406 | return len; | |
1407 | } | |
1408 | ||
cf7a04e8 DJ |
1409 | /* An alternative to target_write with progress callbacks. */ |
1410 | ||
1e3ff5ad | 1411 | LONGEST |
cf7a04e8 DJ |
1412 | target_write_with_progress (struct target_ops *ops, |
1413 | enum target_object object, | |
1414 | const char *annex, const gdb_byte *buf, | |
1415 | ULONGEST offset, LONGEST len, | |
1416 | void (*progress) (ULONGEST, void *), void *baton) | |
1e3ff5ad AC |
1417 | { |
1418 | LONGEST xfered = 0; | |
a76d924d DJ |
1419 | |
1420 | /* Give the progress callback a chance to set up. */ | |
1421 | if (progress) | |
1422 | (*progress) (0, baton); | |
1423 | ||
1e3ff5ad AC |
1424 | while (xfered < len) |
1425 | { | |
1426 | LONGEST xfer = target_write_partial (ops, object, annex, | |
fc1a4b47 | 1427 | (gdb_byte *) buf + xfered, |
1e3ff5ad | 1428 | offset + xfered, len - xfered); |
cf7a04e8 | 1429 | |
13547ab6 DJ |
1430 | if (xfer == 0) |
1431 | return xfered; | |
1432 | if (xfer < 0) | |
0088c768 | 1433 | return -1; |
cf7a04e8 DJ |
1434 | |
1435 | if (progress) | |
1436 | (*progress) (xfer, baton); | |
1437 | ||
1e3ff5ad AC |
1438 | xfered += xfer; |
1439 | QUIT; | |
1440 | } | |
1441 | return len; | |
1442 | } | |
1443 | ||
cf7a04e8 DJ |
1444 | LONGEST |
1445 | target_write (struct target_ops *ops, | |
1446 | enum target_object object, | |
1447 | const char *annex, const gdb_byte *buf, | |
1448 | ULONGEST offset, LONGEST len) | |
1449 | { | |
1450 | return target_write_with_progress (ops, object, annex, buf, offset, len, | |
1451 | NULL, NULL); | |
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. PADDING additional bytes are | |
1456 | available in *BUF_P. This is a helper function for | |
1457 | target_read_alloc; see the declaration of that function for more | |
1458 | information. */ | |
13547ab6 | 1459 | |
159f81f3 DJ |
1460 | static LONGEST |
1461 | target_read_alloc_1 (struct target_ops *ops, enum target_object object, | |
1462 | const char *annex, gdb_byte **buf_p, int padding) | |
13547ab6 DJ |
1463 | { |
1464 | size_t buf_alloc, buf_pos; | |
1465 | gdb_byte *buf; | |
1466 | LONGEST n; | |
1467 | ||
1468 | /* This function does not have a length parameter; it reads the | |
1469 | entire OBJECT). Also, it doesn't support objects fetched partly | |
1470 | from one target and partly from another (in a different stratum, | |
1471 | e.g. a core file and an executable). Both reasons make it | |
1472 | unsuitable for reading memory. */ | |
1473 | gdb_assert (object != TARGET_OBJECT_MEMORY); | |
1474 | ||
1475 | /* Start by reading up to 4K at a time. The target will throttle | |
1476 | this number down if necessary. */ | |
1477 | buf_alloc = 4096; | |
1478 | buf = xmalloc (buf_alloc); | |
1479 | buf_pos = 0; | |
1480 | while (1) | |
1481 | { | |
1482 | n = target_read_partial (ops, object, annex, &buf[buf_pos], | |
159f81f3 | 1483 | buf_pos, buf_alloc - buf_pos - padding); |
13547ab6 DJ |
1484 | if (n < 0) |
1485 | { | |
1486 | /* An error occurred. */ | |
1487 | xfree (buf); | |
1488 | return -1; | |
1489 | } | |
1490 | else if (n == 0) | |
1491 | { | |
1492 | /* Read all there was. */ | |
1493 | if (buf_pos == 0) | |
1494 | xfree (buf); | |
1495 | else | |
1496 | *buf_p = buf; | |
1497 | return buf_pos; | |
1498 | } | |
1499 | ||
1500 | buf_pos += n; | |
1501 | ||
1502 | /* If the buffer is filling up, expand it. */ | |
1503 | if (buf_alloc < buf_pos * 2) | |
1504 | { | |
1505 | buf_alloc *= 2; | |
1506 | buf = xrealloc (buf, buf_alloc); | |
1507 | } | |
1508 | ||
1509 | QUIT; | |
1510 | } | |
1511 | } | |
1512 | ||
159f81f3 DJ |
1513 | /* Read OBJECT/ANNEX using OPS. Store the result in *BUF_P and return |
1514 | the size of the transferred data. See the declaration in "target.h" | |
1515 | function for more information about the return value. */ | |
1516 | ||
1517 | LONGEST | |
1518 | target_read_alloc (struct target_ops *ops, enum target_object object, | |
1519 | const char *annex, gdb_byte **buf_p) | |
1520 | { | |
1521 | return target_read_alloc_1 (ops, object, annex, buf_p, 0); | |
1522 | } | |
1523 | ||
1524 | /* Read OBJECT/ANNEX using OPS. The result is NUL-terminated and | |
1525 | returned as a string, allocated using xmalloc. If an error occurs | |
1526 | or the transfer is unsupported, NULL is returned. Empty objects | |
1527 | are returned as allocated but empty strings. A warning is issued | |
1528 | if the result contains any embedded NUL bytes. */ | |
1529 | ||
1530 | char * | |
1531 | target_read_stralloc (struct target_ops *ops, enum target_object object, | |
1532 | const char *annex) | |
1533 | { | |
1534 | gdb_byte *buffer; | |
1535 | LONGEST transferred; | |
1536 | ||
1537 | transferred = target_read_alloc_1 (ops, object, annex, &buffer, 1); | |
1538 | ||
1539 | if (transferred < 0) | |
1540 | return NULL; | |
1541 | ||
1542 | if (transferred == 0) | |
1543 | return xstrdup (""); | |
1544 | ||
1545 | buffer[transferred] = 0; | |
1546 | if (strlen (buffer) < transferred) | |
1547 | warning (_("target object %d, annex %s, " | |
1548 | "contained unexpected null characters"), | |
1549 | (int) object, annex ? annex : "(none)"); | |
1550 | ||
1551 | return (char *) buffer; | |
1552 | } | |
1553 | ||
b6591e8b AC |
1554 | /* Memory transfer methods. */ |
1555 | ||
1556 | void | |
1b0ba102 | 1557 | get_target_memory (struct target_ops *ops, CORE_ADDR addr, gdb_byte *buf, |
b6591e8b AC |
1558 | LONGEST len) |
1559 | { | |
1560 | if (target_read (ops, TARGET_OBJECT_MEMORY, NULL, buf, addr, len) | |
1561 | != len) | |
1562 | memory_error (EIO, addr); | |
1563 | } | |
1564 | ||
1565 | ULONGEST | |
1566 | get_target_memory_unsigned (struct target_ops *ops, | |
1567 | CORE_ADDR addr, int len) | |
1568 | { | |
f6519ebc | 1569 | gdb_byte buf[sizeof (ULONGEST)]; |
b6591e8b AC |
1570 | |
1571 | gdb_assert (len <= sizeof (buf)); | |
1572 | get_target_memory (ops, addr, buf, len); | |
1573 | return extract_unsigned_integer (buf, len); | |
1574 | } | |
1575 | ||
c906108c | 1576 | static void |
fba45db2 | 1577 | target_info (char *args, int from_tty) |
c906108c SS |
1578 | { |
1579 | struct target_ops *t; | |
c906108c | 1580 | int has_all_mem = 0; |
c5aa993b | 1581 | |
c906108c | 1582 | if (symfile_objfile != NULL) |
a3f17187 | 1583 | printf_unfiltered (_("Symbols from \"%s\".\n"), symfile_objfile->name); |
c906108c | 1584 | |
258b763a | 1585 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 1586 | { |
c906108c SS |
1587 | if (!t->to_has_memory) |
1588 | continue; | |
1589 | ||
c5aa993b | 1590 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1591 | continue; |
1592 | if (has_all_mem) | |
a3f17187 | 1593 | printf_unfiltered (_("\tWhile running this, GDB does not access memory from...\n")); |
c5aa993b JM |
1594 | printf_unfiltered ("%s:\n", t->to_longname); |
1595 | (t->to_files_info) (t); | |
c906108c SS |
1596 | has_all_mem = t->to_has_all_memory; |
1597 | } | |
1598 | } | |
1599 | ||
fd79ecee DJ |
1600 | /* This function is called before any new inferior is created, e.g. |
1601 | by running a program, attaching, or connecting to a target. | |
1602 | It cleans up any state from previous invocations which might | |
1603 | change between runs. This is a subset of what target_preopen | |
1604 | resets (things which might change between targets). */ | |
1605 | ||
1606 | void | |
1607 | target_pre_inferior (int from_tty) | |
1608 | { | |
1609 | invalidate_target_mem_regions (); | |
424163ea DJ |
1610 | |
1611 | target_clear_description (); | |
fd79ecee DJ |
1612 | } |
1613 | ||
c906108c SS |
1614 | /* This is to be called by the open routine before it does |
1615 | anything. */ | |
1616 | ||
1617 | void | |
fba45db2 | 1618 | target_preopen (int from_tty) |
c906108c | 1619 | { |
c5aa993b | 1620 | dont_repeat (); |
c906108c SS |
1621 | |
1622 | if (target_has_execution) | |
c5aa993b | 1623 | { |
adf40b2e | 1624 | if (!from_tty |
e2e0b3e5 | 1625 | || query (_("A program is being debugged already. Kill it? "))) |
c5aa993b | 1626 | target_kill (); |
c906108c | 1627 | else |
8a3fe4f8 | 1628 | error (_("Program not killed.")); |
c906108c SS |
1629 | } |
1630 | ||
1631 | /* Calling target_kill may remove the target from the stack. But if | |
1632 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1633 | ||
1634 | if (target_has_execution) | |
1635 | pop_target (); | |
fd79ecee DJ |
1636 | |
1637 | target_pre_inferior (from_tty); | |
c906108c SS |
1638 | } |
1639 | ||
1640 | /* Detach a target after doing deferred register stores. */ | |
1641 | ||
1642 | void | |
fba45db2 | 1643 | target_detach (char *args, int from_tty) |
c906108c | 1644 | { |
c906108c SS |
1645 | (current_target.to_detach) (args, from_tty); |
1646 | } | |
1647 | ||
6ad8ae5c DJ |
1648 | void |
1649 | target_disconnect (char *args, int from_tty) | |
1650 | { | |
597320e7 DJ |
1651 | struct target_ops *t; |
1652 | ||
1653 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1654 | if (t->to_disconnect != NULL) | |
1655 | { | |
1656 | if (targetdebug) | |
1657 | fprintf_unfiltered (gdb_stdlog, "target_disconnect (%s, %d)\n", | |
1658 | args, from_tty); | |
1659 | t->to_disconnect (t, args, from_tty); | |
1660 | return; | |
1661 | } | |
1662 | ||
1663 | tcomplain (); | |
6ad8ae5c DJ |
1664 | } |
1665 | ||
ed9a39eb JM |
1666 | int |
1667 | target_async_mask (int mask) | |
1668 | { | |
1669 | int saved_async_masked_status = target_async_mask_value; | |
1670 | target_async_mask_value = mask; | |
1671 | return saved_async_masked_status; | |
1672 | } | |
1673 | ||
ee057212 DJ |
1674 | /* Look through the list of possible targets for a target that can |
1675 | follow forks. */ | |
1676 | ||
1677 | int | |
1678 | target_follow_fork (int follow_child) | |
1679 | { | |
1680 | struct target_ops *t; | |
1681 | ||
1682 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1683 | { | |
1684 | if (t->to_follow_fork != NULL) | |
1685 | { | |
1686 | int retval = t->to_follow_fork (t, follow_child); | |
1687 | if (targetdebug) | |
1688 | fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n", | |
1689 | follow_child, retval); | |
1690 | return retval; | |
1691 | } | |
1692 | } | |
1693 | ||
1694 | /* Some target returned a fork event, but did not know how to follow it. */ | |
1695 | internal_error (__FILE__, __LINE__, | |
1696 | "could not find a target to follow fork"); | |
1697 | } | |
1698 | ||
424163ea DJ |
1699 | /* Look for a target which can describe architectural features, starting |
1700 | from TARGET. If we find one, return its description. */ | |
1701 | ||
1702 | const struct target_desc * | |
1703 | target_read_description (struct target_ops *target) | |
1704 | { | |
1705 | struct target_ops *t; | |
1706 | ||
1707 | for (t = target; t != NULL; t = t->beneath) | |
1708 | if (t->to_read_description != NULL) | |
1709 | { | |
1710 | const struct target_desc *tdesc; | |
1711 | ||
1712 | tdesc = t->to_read_description (t); | |
1713 | if (tdesc) | |
1714 | return tdesc; | |
1715 | } | |
1716 | ||
1717 | return NULL; | |
1718 | } | |
1719 | ||
c906108c SS |
1720 | /* Look through the list of possible targets for a target that can |
1721 | execute a run or attach command without any other data. This is | |
1722 | used to locate the default process stratum. | |
1723 | ||
1724 | Result is always valid (error() is called for errors). */ | |
1725 | ||
1726 | static struct target_ops * | |
fba45db2 | 1727 | find_default_run_target (char *do_mesg) |
c906108c SS |
1728 | { |
1729 | struct target_ops **t; | |
1730 | struct target_ops *runable = NULL; | |
1731 | int count; | |
1732 | ||
1733 | count = 0; | |
1734 | ||
1735 | for (t = target_structs; t < target_structs + target_struct_size; | |
1736 | ++t) | |
1737 | { | |
c5aa993b | 1738 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1739 | { |
1740 | runable = *t; | |
1741 | ++count; | |
1742 | } | |
1743 | } | |
1744 | ||
1745 | if (count != 1) | |
8a3fe4f8 | 1746 | error (_("Don't know how to %s. Try \"help target\"."), do_mesg); |
c906108c SS |
1747 | |
1748 | return runable; | |
1749 | } | |
1750 | ||
1751 | void | |
fba45db2 | 1752 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1753 | { |
1754 | struct target_ops *t; | |
1755 | ||
c5aa993b | 1756 | t = find_default_run_target ("attach"); |
c906108c SS |
1757 | (t->to_attach) (args, from_tty); |
1758 | return; | |
1759 | } | |
1760 | ||
c906108c | 1761 | void |
c27cda74 AC |
1762 | find_default_create_inferior (char *exec_file, char *allargs, char **env, |
1763 | int from_tty) | |
c906108c SS |
1764 | { |
1765 | struct target_ops *t; | |
1766 | ||
c5aa993b | 1767 | t = find_default_run_target ("run"); |
c27cda74 | 1768 | (t->to_create_inferior) (exec_file, allargs, env, from_tty); |
c906108c SS |
1769 | return; |
1770 | } | |
1771 | ||
e0d24f8d WZ |
1772 | static int |
1773 | default_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len) | |
1774 | { | |
2a3cdf79 | 1775 | return (len <= TYPE_LENGTH (builtin_type_void_data_ptr)); |
ccaa32c7 GS |
1776 | } |
1777 | ||
c906108c | 1778 | static int |
fba45db2 | 1779 | return_zero (void) |
c906108c SS |
1780 | { |
1781 | return 0; | |
1782 | } | |
1783 | ||
1784 | static int | |
fba45db2 | 1785 | return_one (void) |
c906108c SS |
1786 | { |
1787 | return 1; | |
1788 | } | |
1789 | ||
ccaa32c7 GS |
1790 | static int |
1791 | return_minus_one (void) | |
1792 | { | |
1793 | return -1; | |
1794 | } | |
1795 | ||
6426a772 JM |
1796 | /* |
1797 | * Resize the to_sections pointer. Also make sure that anyone that | |
1798 | * was holding on to an old value of it gets updated. | |
1799 | * Returns the old size. | |
1800 | */ | |
1801 | ||
1802 | int | |
1803 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1804 | { | |
1805 | struct target_ops **t; | |
1806 | struct section_table *old_value; | |
1807 | int old_count; | |
1808 | ||
1809 | old_value = target->to_sections; | |
1810 | ||
1811 | if (target->to_sections) | |
1812 | { | |
1813 | old_count = target->to_sections_end - target->to_sections; | |
1814 | target->to_sections = (struct section_table *) | |
1815 | xrealloc ((char *) target->to_sections, | |
1816 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1817 | } | |
1818 | else | |
1819 | { | |
1820 | old_count = 0; | |
1821 | target->to_sections = (struct section_table *) | |
1822 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1823 | } | |
1824 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1825 | ||
1826 | /* Check to see if anyone else was pointing to this structure. | |
1827 | If old_value was null, then no one was. */ | |
2bc416ba | 1828 | |
6426a772 JM |
1829 | if (old_value) |
1830 | { | |
1831 | for (t = target_structs; t < target_structs + target_struct_size; | |
1832 | ++t) | |
1833 | { | |
1834 | if ((*t)->to_sections == old_value) | |
1835 | { | |
1836 | (*t)->to_sections = target->to_sections; | |
1837 | (*t)->to_sections_end = target->to_sections_end; | |
1838 | } | |
1839 | } | |
e354df01 NW |
1840 | /* There is a flattened view of the target stack in current_target, |
1841 | so its to_sections pointer might also need updating. */ | |
1842 | if (current_target.to_sections == old_value) | |
1843 | { | |
1844 | current_target.to_sections = target->to_sections; | |
1845 | current_target.to_sections_end = target->to_sections_end; | |
1846 | } | |
6426a772 | 1847 | } |
2bc416ba | 1848 | |
6426a772 JM |
1849 | return old_count; |
1850 | ||
1851 | } | |
1852 | ||
07cd4b97 JB |
1853 | /* Remove all target sections taken from ABFD. |
1854 | ||
1855 | Scan the current target stack for targets whose section tables | |
1856 | refer to sections from BFD, and remove those sections. We use this | |
1857 | when we notice that the inferior has unloaded a shared object, for | |
1858 | example. */ | |
1859 | void | |
1860 | remove_target_sections (bfd *abfd) | |
1861 | { | |
1862 | struct target_ops **t; | |
1863 | ||
1864 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1865 | { | |
1866 | struct section_table *src, *dest; | |
1867 | ||
1868 | dest = (*t)->to_sections; | |
1869 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1870 | if (src->bfd != abfd) | |
1871 | { | |
1872 | /* Keep this section. */ | |
1873 | if (dest < src) *dest = *src; | |
1874 | dest++; | |
1875 | } | |
1876 | ||
1877 | /* If we've dropped any sections, resize the section table. */ | |
1878 | if (dest < src) | |
1879 | target_resize_to_sections (*t, dest - src); | |
1880 | } | |
1881 | } | |
1882 | ||
1883 | ||
1884 | ||
1885 | ||
7a292a7a SS |
1886 | /* Find a single runnable target in the stack and return it. If for |
1887 | some reason there is more than one, return NULL. */ | |
1888 | ||
1889 | struct target_ops * | |
fba45db2 | 1890 | find_run_target (void) |
7a292a7a SS |
1891 | { |
1892 | struct target_ops **t; | |
1893 | struct target_ops *runable = NULL; | |
1894 | int count; | |
c5aa993b | 1895 | |
7a292a7a | 1896 | count = 0; |
c5aa993b | 1897 | |
7a292a7a SS |
1898 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1899 | { | |
c5aa993b | 1900 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1901 | { |
1902 | runable = *t; | |
1903 | ++count; | |
1904 | } | |
1905 | } | |
c5aa993b | 1906 | |
7a292a7a SS |
1907 | return (count == 1 ? runable : NULL); |
1908 | } | |
1909 | ||
ed9a39eb JM |
1910 | /* Find a single core_stratum target in the list of targets and return it. |
1911 | If for some reason there is more than one, return NULL. */ | |
1912 | ||
c906108c | 1913 | struct target_ops * |
fba45db2 | 1914 | find_core_target (void) |
c906108c SS |
1915 | { |
1916 | struct target_ops **t; | |
1917 | struct target_ops *runable = NULL; | |
1918 | int count; | |
c5aa993b | 1919 | |
c906108c | 1920 | count = 0; |
c5aa993b | 1921 | |
c906108c SS |
1922 | for (t = target_structs; t < target_structs + target_struct_size; |
1923 | ++t) | |
1924 | { | |
1925 | if ((*t)->to_stratum == core_stratum) | |
1926 | { | |
1927 | runable = *t; | |
1928 | ++count; | |
1929 | } | |
1930 | } | |
c5aa993b JM |
1931 | |
1932 | return (count == 1 ? runable : NULL); | |
c906108c | 1933 | } |
ed9a39eb JM |
1934 | |
1935 | /* | |
1936 | * Find the next target down the stack from the specified target. | |
1937 | */ | |
1938 | ||
1939 | struct target_ops * | |
fba45db2 | 1940 | find_target_beneath (struct target_ops *t) |
ed9a39eb | 1941 | { |
258b763a | 1942 | return t->beneath; |
ed9a39eb JM |
1943 | } |
1944 | ||
c906108c SS |
1945 | \f |
1946 | /* The inferior process has died. Long live the inferior! */ | |
1947 | ||
1948 | void | |
fba45db2 | 1949 | generic_mourn_inferior (void) |
c906108c SS |
1950 | { |
1951 | extern int show_breakpoint_hit_counts; | |
1952 | ||
39f77062 | 1953 | inferior_ptid = null_ptid; |
c906108c SS |
1954 | attach_flag = 0; |
1955 | breakpoint_init_inferior (inf_exited); | |
1956 | registers_changed (); | |
1957 | ||
c906108c SS |
1958 | reopen_exec_file (); |
1959 | reinit_frame_cache (); | |
1960 | ||
1961 | /* It is confusing to the user for ignore counts to stick around | |
1962 | from previous runs of the inferior. So clear them. */ | |
1963 | /* However, it is more confusing for the ignore counts to disappear when | |
1964 | using hit counts. So don't clear them if we're counting hits. */ | |
1965 | if (!show_breakpoint_hit_counts) | |
1966 | breakpoint_clear_ignore_counts (); | |
c5b739b5 | 1967 | |
9a4105ab AC |
1968 | if (deprecated_detach_hook) |
1969 | deprecated_detach_hook (); | |
c906108c SS |
1970 | } |
1971 | \f | |
c906108c SS |
1972 | /* Helper function for child_wait and the Lynx derivatives of child_wait. |
1973 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1974 | translation of that in OURSTATUS. */ | |
1975 | void | |
fba45db2 | 1976 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c SS |
1977 | { |
1978 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1979 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1980 | if it wants to deal with hoststatus. */ | |
1981 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1982 | return; | |
1983 | #endif | |
1984 | ||
1985 | if (WIFEXITED (hoststatus)) | |
1986 | { | |
1987 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1988 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1989 | } | |
1990 | else if (!WIFSTOPPED (hoststatus)) | |
1991 | { | |
1992 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1993 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1994 | } | |
1995 | else | |
1996 | { | |
1997 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1998 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1999 | } | |
2000 | } | |
2001 | \f | |
c906108c | 2002 | /* Returns zero to leave the inferior alone, one to interrupt it. */ |
507f3c78 | 2003 | int (*target_activity_function) (void); |
c906108c SS |
2004 | int target_activity_fd; |
2005 | \f | |
fd0a2a6f MK |
2006 | /* Convert a normal process ID to a string. Returns the string in a |
2007 | static buffer. */ | |
c906108c SS |
2008 | |
2009 | char * | |
39f77062 | 2010 | normal_pid_to_str (ptid_t ptid) |
c906108c | 2011 | { |
fd0a2a6f | 2012 | static char buf[32]; |
c906108c | 2013 | |
5fff8fc0 | 2014 | xsnprintf (buf, sizeof buf, "process %d", ptid_get_pid (ptid)); |
c906108c SS |
2015 | return buf; |
2016 | } | |
2017 | ||
be4d1333 | 2018 | /* Error-catcher for target_find_memory_regions */ |
be4d1333 MS |
2019 | static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2) |
2020 | { | |
8a3fe4f8 | 2021 | error (_("No target.")); |
be4d1333 MS |
2022 | return 0; |
2023 | } | |
2024 | ||
2025 | /* Error-catcher for target_make_corefile_notes */ | |
be4d1333 MS |
2026 | static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2) |
2027 | { | |
8a3fe4f8 | 2028 | error (_("No target.")); |
be4d1333 MS |
2029 | return NULL; |
2030 | } | |
2031 | ||
c906108c SS |
2032 | /* Set up the handful of non-empty slots needed by the dummy target |
2033 | vector. */ | |
2034 | ||
2035 | static void | |
fba45db2 | 2036 | init_dummy_target (void) |
c906108c SS |
2037 | { |
2038 | dummy_target.to_shortname = "None"; | |
2039 | dummy_target.to_longname = "None"; | |
2040 | dummy_target.to_doc = ""; | |
2041 | dummy_target.to_attach = find_default_attach; | |
c906108c | 2042 | dummy_target.to_create_inferior = find_default_create_inferior; |
ed9a39eb | 2043 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c | 2044 | dummy_target.to_stratum = dummy_stratum; |
be4d1333 MS |
2045 | dummy_target.to_find_memory_regions = dummy_find_memory_regions; |
2046 | dummy_target.to_make_corefile_notes = dummy_make_corefile_notes; | |
0b603eba | 2047 | dummy_target.to_xfer_partial = default_xfer_partial; |
c906108c SS |
2048 | dummy_target.to_magic = OPS_MAGIC; |
2049 | } | |
c906108c | 2050 | \f |
c906108c | 2051 | static void |
fba45db2 | 2052 | debug_to_open (char *args, int from_tty) |
c906108c SS |
2053 | { |
2054 | debug_target.to_open (args, from_tty); | |
2055 | ||
96baa820 | 2056 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
2057 | } |
2058 | ||
2059 | static void | |
fba45db2 | 2060 | debug_to_close (int quitting) |
c906108c | 2061 | { |
f1c07ab0 | 2062 | target_close (&debug_target, quitting); |
96baa820 | 2063 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
2064 | } |
2065 | ||
f1c07ab0 AC |
2066 | void |
2067 | target_close (struct target_ops *targ, int quitting) | |
2068 | { | |
2069 | if (targ->to_xclose != NULL) | |
2070 | targ->to_xclose (targ, quitting); | |
2071 | else if (targ->to_close != NULL) | |
2072 | targ->to_close (quitting); | |
2073 | } | |
2074 | ||
c906108c | 2075 | static void |
fba45db2 | 2076 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
2077 | { |
2078 | debug_target.to_attach (args, from_tty); | |
2079 | ||
96baa820 | 2080 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
2081 | } |
2082 | ||
2083 | ||
2084 | static void | |
fba45db2 | 2085 | debug_to_post_attach (int pid) |
c906108c SS |
2086 | { |
2087 | debug_target.to_post_attach (pid); | |
2088 | ||
96baa820 | 2089 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
2090 | } |
2091 | ||
c906108c | 2092 | static void |
fba45db2 | 2093 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
2094 | { |
2095 | debug_target.to_detach (args, from_tty); | |
2096 | ||
96baa820 | 2097 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
2098 | } |
2099 | ||
c906108c | 2100 | static void |
39f77062 | 2101 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 2102 | { |
39f77062 | 2103 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 2104 | |
39f77062 | 2105 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
2106 | step ? "step" : "continue", |
2107 | target_signal_to_name (siggnal)); | |
2108 | } | |
2109 | ||
39f77062 KB |
2110 | static ptid_t |
2111 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 2112 | { |
39f77062 | 2113 | ptid_t retval; |
c906108c | 2114 | |
39f77062 | 2115 | retval = debug_target.to_wait (ptid, status); |
c906108c | 2116 | |
96baa820 | 2117 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
2118 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
2119 | PIDGET (retval)); | |
96baa820 | 2120 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
2121 | switch (status->kind) |
2122 | { | |
2123 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 2124 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
2125 | status->value.integer); |
2126 | break; | |
2127 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 2128 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
2129 | target_signal_to_name (status->value.sig)); |
2130 | break; | |
2131 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 2132 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
2133 | target_signal_to_name (status->value.sig)); |
2134 | break; | |
2135 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 2136 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
2137 | break; |
2138 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 2139 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
2140 | break; |
2141 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 2142 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
2143 | break; |
2144 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 2145 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
2146 | break; |
2147 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 2148 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
2149 | break; |
2150 | default: | |
96baa820 | 2151 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
2152 | break; |
2153 | } | |
2154 | ||
2155 | return retval; | |
2156 | } | |
2157 | ||
bf0c5130 AC |
2158 | static void |
2159 | debug_print_register (const char * func, int regno) | |
2160 | { | |
2161 | fprintf_unfiltered (gdb_stdlog, "%s ", func); | |
2162 | if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS | |
2163 | && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0') | |
2164 | fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno)); | |
2165 | else | |
2166 | fprintf_unfiltered (gdb_stdlog, "(%d)", regno); | |
2167 | if (regno >= 0) | |
2168 | { | |
2169 | int i; | |
d9d9c31f | 2170 | unsigned char buf[MAX_REGISTER_SIZE]; |
4caf0990 | 2171 | deprecated_read_register_gen (regno, buf); |
bf0c5130 | 2172 | fprintf_unfiltered (gdb_stdlog, " = "); |
3acba339 | 2173 | for (i = 0; i < register_size (current_gdbarch, regno); i++) |
bf0c5130 AC |
2174 | { |
2175 | fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]); | |
2176 | } | |
3acba339 | 2177 | if (register_size (current_gdbarch, regno) <= sizeof (LONGEST)) |
bf0c5130 AC |
2178 | { |
2179 | fprintf_unfiltered (gdb_stdlog, " 0x%s %s", | |
2180 | paddr_nz (read_register (regno)), | |
2181 | paddr_d (read_register (regno))); | |
2182 | } | |
2183 | } | |
2184 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
2185 | } | |
2186 | ||
c906108c | 2187 | static void |
fba45db2 | 2188 | debug_to_fetch_registers (int regno) |
c906108c SS |
2189 | { |
2190 | debug_target.to_fetch_registers (regno); | |
bf0c5130 | 2191 | debug_print_register ("target_fetch_registers", regno); |
c906108c SS |
2192 | } |
2193 | ||
2194 | static void | |
fba45db2 | 2195 | debug_to_store_registers (int regno) |
c906108c SS |
2196 | { |
2197 | debug_target.to_store_registers (regno); | |
bf0c5130 AC |
2198 | debug_print_register ("target_store_registers", regno); |
2199 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
c906108c SS |
2200 | } |
2201 | ||
2202 | static void | |
fba45db2 | 2203 | debug_to_prepare_to_store (void) |
c906108c SS |
2204 | { |
2205 | debug_target.to_prepare_to_store (); | |
2206 | ||
96baa820 | 2207 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
2208 | } |
2209 | ||
2210 | static int | |
961cb7b5 | 2211 | deprecated_debug_xfer_memory (CORE_ADDR memaddr, bfd_byte *myaddr, int len, |
c8e73a31 AC |
2212 | int write, struct mem_attrib *attrib, |
2213 | struct target_ops *target) | |
c906108c SS |
2214 | { |
2215 | int retval; | |
2216 | ||
c8e73a31 AC |
2217 | retval = debug_target.deprecated_xfer_memory (memaddr, myaddr, len, write, |
2218 | attrib, target); | |
c906108c | 2219 | |
96baa820 | 2220 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2221 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 2222 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
2223 | len, write ? "write" : "read", retval); |
2224 | ||
c906108c SS |
2225 | if (retval > 0) |
2226 | { | |
2227 | int i; | |
2228 | ||
96baa820 | 2229 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
2230 | for (i = 0; i < retval; i++) |
2231 | { | |
2232 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
333dabeb DJ |
2233 | { |
2234 | if (targetdebug < 2 && i > 0) | |
2235 | { | |
2236 | fprintf_unfiltered (gdb_stdlog, " ..."); | |
2237 | break; | |
2238 | } | |
2239 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
2240 | } | |
2bc416ba | 2241 | |
96baa820 | 2242 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); |
c906108c SS |
2243 | } |
2244 | } | |
2245 | ||
96baa820 | 2246 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
2247 | |
2248 | return retval; | |
2249 | } | |
2250 | ||
2251 | static void | |
fba45db2 | 2252 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
2253 | { |
2254 | debug_target.to_files_info (target); | |
2255 | ||
96baa820 | 2256 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
2257 | } |
2258 | ||
2259 | static int | |
8181d85f | 2260 | debug_to_insert_breakpoint (struct bp_target_info *bp_tgt) |
c906108c SS |
2261 | { |
2262 | int retval; | |
2263 | ||
8181d85f | 2264 | retval = debug_target.to_insert_breakpoint (bp_tgt); |
c906108c | 2265 | |
96baa820 | 2266 | fprintf_unfiltered (gdb_stdlog, |
104c1213 | 2267 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
8181d85f | 2268 | (unsigned long) bp_tgt->placed_address, |
104c1213 | 2269 | (unsigned long) retval); |
c906108c SS |
2270 | return retval; |
2271 | } | |
2272 | ||
2273 | static int | |
8181d85f | 2274 | debug_to_remove_breakpoint (struct bp_target_info *bp_tgt) |
c906108c SS |
2275 | { |
2276 | int retval; | |
2277 | ||
8181d85f | 2278 | retval = debug_target.to_remove_breakpoint (bp_tgt); |
c906108c | 2279 | |
96baa820 | 2280 | fprintf_unfiltered (gdb_stdlog, |
104c1213 | 2281 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
8181d85f | 2282 | (unsigned long) bp_tgt->placed_address, |
104c1213 | 2283 | (unsigned long) retval); |
c906108c SS |
2284 | return retval; |
2285 | } | |
2286 | ||
ccaa32c7 GS |
2287 | static int |
2288 | debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty) | |
2289 | { | |
2290 | int retval; | |
2291 | ||
2292 | retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty); | |
2293 | ||
2294 | fprintf_unfiltered (gdb_stdlog, | |
2295 | "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n", | |
2296 | (unsigned long) type, | |
2297 | (unsigned long) cnt, | |
2298 | (unsigned long) from_tty, | |
2299 | (unsigned long) retval); | |
2300 | return retval; | |
2301 | } | |
2302 | ||
e0d24f8d WZ |
2303 | static int |
2304 | debug_to_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len) | |
2305 | { | |
2306 | CORE_ADDR retval; | |
2307 | ||
2308 | retval = debug_target.to_region_ok_for_hw_watchpoint (addr, len); | |
2309 | ||
2310 | fprintf_unfiltered (gdb_stdlog, | |
2311 | "TARGET_REGION_OK_FOR_HW_WATCHPOINT (%ld, %ld) = 0x%lx\n", | |
2312 | (unsigned long) addr, | |
2313 | (unsigned long) len, | |
2314 | (unsigned long) retval); | |
2315 | return retval; | |
2316 | } | |
2317 | ||
ccaa32c7 GS |
2318 | static int |
2319 | debug_to_stopped_by_watchpoint (void) | |
2320 | { | |
2321 | int retval; | |
2322 | ||
2323 | retval = debug_target.to_stopped_by_watchpoint (); | |
2324 | ||
2325 | fprintf_unfiltered (gdb_stdlog, | |
2326 | "STOPPED_BY_WATCHPOINT () = %ld\n", | |
2327 | (unsigned long) retval); | |
2328 | return retval; | |
2329 | } | |
2330 | ||
4aa7a7f5 JJ |
2331 | static int |
2332 | debug_to_stopped_data_address (struct target_ops *target, CORE_ADDR *addr) | |
ccaa32c7 | 2333 | { |
4aa7a7f5 | 2334 | int retval; |
ccaa32c7 | 2335 | |
4aa7a7f5 | 2336 | retval = debug_target.to_stopped_data_address (target, addr); |
ccaa32c7 GS |
2337 | |
2338 | fprintf_unfiltered (gdb_stdlog, | |
4aa7a7f5 JJ |
2339 | "target_stopped_data_address ([0x%lx]) = %ld\n", |
2340 | (unsigned long)*addr, | |
2341 | (unsigned long)retval); | |
ccaa32c7 GS |
2342 | return retval; |
2343 | } | |
2344 | ||
2345 | static int | |
8181d85f | 2346 | debug_to_insert_hw_breakpoint (struct bp_target_info *bp_tgt) |
ccaa32c7 GS |
2347 | { |
2348 | int retval; | |
2349 | ||
8181d85f | 2350 | retval = debug_target.to_insert_hw_breakpoint (bp_tgt); |
ccaa32c7 GS |
2351 | |
2352 | fprintf_unfiltered (gdb_stdlog, | |
2353 | "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
8181d85f | 2354 | (unsigned long) bp_tgt->placed_address, |
ccaa32c7 GS |
2355 | (unsigned long) retval); |
2356 | return retval; | |
2357 | } | |
2358 | ||
2359 | static int | |
8181d85f | 2360 | debug_to_remove_hw_breakpoint (struct bp_target_info *bp_tgt) |
ccaa32c7 GS |
2361 | { |
2362 | int retval; | |
2363 | ||
8181d85f | 2364 | retval = debug_target.to_remove_hw_breakpoint (bp_tgt); |
ccaa32c7 GS |
2365 | |
2366 | fprintf_unfiltered (gdb_stdlog, | |
2367 | "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
8181d85f | 2368 | (unsigned long) bp_tgt->placed_address, |
ccaa32c7 GS |
2369 | (unsigned long) retval); |
2370 | return retval; | |
2371 | } | |
2372 | ||
2373 | static int | |
2374 | debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type) | |
2375 | { | |
2376 | int retval; | |
2377 | ||
2378 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
2379 | ||
2380 | fprintf_unfiltered (gdb_stdlog, | |
2381 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
2382 | (unsigned long) addr, len, type, (unsigned long) retval); | |
2383 | return retval; | |
2384 | } | |
2385 | ||
2386 | static int | |
2387 | debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type) | |
2388 | { | |
2389 | int retval; | |
2390 | ||
ecde4882 | 2391 | retval = debug_target.to_remove_watchpoint (addr, len, type); |
ccaa32c7 GS |
2392 | |
2393 | fprintf_unfiltered (gdb_stdlog, | |
ecde4882 | 2394 | "target_remove_watchpoint (0x%lx, %d, %d) = %ld\n", |
ccaa32c7 GS |
2395 | (unsigned long) addr, len, type, (unsigned long) retval); |
2396 | return retval; | |
2397 | } | |
2398 | ||
c906108c | 2399 | static void |
fba45db2 | 2400 | debug_to_terminal_init (void) |
c906108c SS |
2401 | { |
2402 | debug_target.to_terminal_init (); | |
2403 | ||
96baa820 | 2404 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
2405 | } |
2406 | ||
2407 | static void | |
fba45db2 | 2408 | debug_to_terminal_inferior (void) |
c906108c SS |
2409 | { |
2410 | debug_target.to_terminal_inferior (); | |
2411 | ||
96baa820 | 2412 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
2413 | } |
2414 | ||
2415 | static void | |
fba45db2 | 2416 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
2417 | { |
2418 | debug_target.to_terminal_ours_for_output (); | |
2419 | ||
96baa820 | 2420 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
2421 | } |
2422 | ||
2423 | static void | |
fba45db2 | 2424 | debug_to_terminal_ours (void) |
c906108c SS |
2425 | { |
2426 | debug_target.to_terminal_ours (); | |
2427 | ||
96baa820 | 2428 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
2429 | } |
2430 | ||
a790ad35 SC |
2431 | static void |
2432 | debug_to_terminal_save_ours (void) | |
2433 | { | |
2434 | debug_target.to_terminal_save_ours (); | |
2435 | ||
2436 | fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n"); | |
2437 | } | |
2438 | ||
c906108c | 2439 | static void |
fba45db2 | 2440 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
2441 | { |
2442 | debug_target.to_terminal_info (arg, from_tty); | |
2443 | ||
96baa820 | 2444 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
2445 | from_tty); |
2446 | } | |
2447 | ||
2448 | static void | |
fba45db2 | 2449 | debug_to_kill (void) |
c906108c SS |
2450 | { |
2451 | debug_target.to_kill (); | |
2452 | ||
96baa820 | 2453 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
2454 | } |
2455 | ||
2456 | static void | |
fba45db2 | 2457 | debug_to_load (char *args, int from_tty) |
c906108c SS |
2458 | { |
2459 | debug_target.to_load (args, from_tty); | |
2460 | ||
96baa820 | 2461 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
2462 | } |
2463 | ||
2464 | static int | |
fba45db2 | 2465 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
2466 | { |
2467 | int retval; | |
2468 | ||
2469 | retval = debug_target.to_lookup_symbol (name, addrp); | |
2470 | ||
96baa820 | 2471 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
2472 | |
2473 | return retval; | |
2474 | } | |
2475 | ||
2476 | static void | |
c27cda74 AC |
2477 | debug_to_create_inferior (char *exec_file, char *args, char **env, |
2478 | int from_tty) | |
c906108c | 2479 | { |
c27cda74 | 2480 | debug_target.to_create_inferior (exec_file, args, env, from_tty); |
c906108c | 2481 | |
c27cda74 AC |
2482 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx, %d)\n", |
2483 | exec_file, args, from_tty); | |
c906108c SS |
2484 | } |
2485 | ||
2486 | static void | |
39f77062 | 2487 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 2488 | { |
39f77062 | 2489 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 2490 | |
96baa820 | 2491 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 2492 | PIDGET (ptid)); |
c906108c SS |
2493 | } |
2494 | ||
2495 | static void | |
fba45db2 | 2496 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
2497 | { |
2498 | debug_target.to_acknowledge_created_inferior (pid); | |
2499 | ||
96baa820 | 2500 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
2501 | pid); |
2502 | } | |
2503 | ||
fa113d1a | 2504 | static void |
fba45db2 | 2505 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 2506 | { |
fa113d1a | 2507 | debug_target.to_insert_fork_catchpoint (pid); |
c906108c | 2508 | |
fa113d1a AC |
2509 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d)\n", |
2510 | pid); | |
c906108c SS |
2511 | } |
2512 | ||
2513 | static int | |
fba45db2 | 2514 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 2515 | { |
c5aa993b | 2516 | int retval; |
c906108c SS |
2517 | |
2518 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
2519 | ||
96baa820 | 2520 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2521 | pid, retval); |
c906108c SS |
2522 | |
2523 | return retval; | |
2524 | } | |
2525 | ||
fa113d1a | 2526 | static void |
fba45db2 | 2527 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 2528 | { |
fa113d1a | 2529 | debug_target.to_insert_vfork_catchpoint (pid); |
c906108c | 2530 | |
fa113d1a AC |
2531 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)\n", |
2532 | pid); | |
c906108c SS |
2533 | } |
2534 | ||
2535 | static int | |
fba45db2 | 2536 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 2537 | { |
c5aa993b | 2538 | int retval; |
c906108c SS |
2539 | |
2540 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2541 | ||
96baa820 | 2542 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 2543 | pid, retval); |
c906108c SS |
2544 | |
2545 | return retval; | |
2546 | } | |
2547 | ||
fa113d1a | 2548 | static void |
fba45db2 | 2549 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 2550 | { |
fa113d1a | 2551 | debug_target.to_insert_exec_catchpoint (pid); |
c906108c | 2552 | |
fa113d1a AC |
2553 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d)\n", |
2554 | pid); | |
c906108c SS |
2555 | } |
2556 | ||
2557 | static int | |
fba45db2 | 2558 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 2559 | { |
c5aa993b | 2560 | int retval; |
c906108c SS |
2561 | |
2562 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2563 | ||
96baa820 | 2564 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2565 | pid, retval); |
c906108c SS |
2566 | |
2567 | return retval; | |
2568 | } | |
2569 | ||
c906108c | 2570 | static int |
fba45db2 | 2571 | debug_to_reported_exec_events_per_exec_call (void) |
c906108c | 2572 | { |
c5aa993b | 2573 | int reported_exec_events; |
c906108c SS |
2574 | |
2575 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
2576 | ||
96baa820 | 2577 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2578 | "target_reported_exec_events_per_exec_call () = %d\n", |
c5aa993b | 2579 | reported_exec_events); |
c906108c SS |
2580 | |
2581 | return reported_exec_events; | |
2582 | } | |
2583 | ||
c906108c | 2584 | static int |
fba45db2 | 2585 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2586 | { |
c5aa993b | 2587 | int has_exited; |
c906108c SS |
2588 | |
2589 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2590 | ||
96baa820 | 2591 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2592 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2593 | |
2594 | return has_exited; | |
2595 | } | |
2596 | ||
2597 | static void | |
fba45db2 | 2598 | debug_to_mourn_inferior (void) |
c906108c SS |
2599 | { |
2600 | debug_target.to_mourn_inferior (); | |
2601 | ||
96baa820 | 2602 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2603 | } |
2604 | ||
2605 | static int | |
fba45db2 | 2606 | debug_to_can_run (void) |
c906108c SS |
2607 | { |
2608 | int retval; | |
2609 | ||
2610 | retval = debug_target.to_can_run (); | |
2611 | ||
96baa820 | 2612 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2613 | |
2614 | return retval; | |
2615 | } | |
2616 | ||
2617 | static void | |
39f77062 | 2618 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2619 | { |
39f77062 | 2620 | debug_target.to_notice_signals (ptid); |
c906108c | 2621 | |
39f77062 KB |
2622 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2623 | PIDGET (ptid)); | |
c906108c SS |
2624 | } |
2625 | ||
2626 | static int | |
39f77062 | 2627 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2628 | { |
2629 | int retval; | |
2630 | ||
39f77062 | 2631 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2632 | |
96baa820 | 2633 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2634 | PIDGET (ptid), retval); |
c906108c SS |
2635 | |
2636 | return retval; | |
2637 | } | |
2638 | ||
0d06e24b | 2639 | static void |
fba45db2 | 2640 | debug_to_find_new_threads (void) |
0d06e24b JM |
2641 | { |
2642 | debug_target.to_find_new_threads (); | |
2643 | ||
2644 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2645 | } | |
2646 | ||
c906108c | 2647 | static void |
fba45db2 | 2648 | debug_to_stop (void) |
c906108c SS |
2649 | { |
2650 | debug_target.to_stop (); | |
2651 | ||
96baa820 | 2652 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2653 | } |
2654 | ||
96baa820 JM |
2655 | static void |
2656 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2657 | struct ui_file *outbuf) |
96baa820 JM |
2658 | { |
2659 | debug_target.to_rcmd (command, outbuf); | |
2660 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2661 | } | |
2662 | ||
c906108c | 2663 | static struct symtab_and_line * |
fba45db2 | 2664 | debug_to_enable_exception_callback (enum exception_event_kind kind, int enable) |
c906108c | 2665 | { |
7a292a7a SS |
2666 | struct symtab_and_line *result; |
2667 | result = debug_target.to_enable_exception_callback (kind, enable); | |
96baa820 | 2668 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2669 | "target get_exception_callback_sal (%d, %d)\n", |
2670 | kind, enable); | |
7a292a7a | 2671 | return result; |
c906108c SS |
2672 | } |
2673 | ||
2674 | static struct exception_event_record * | |
fba45db2 | 2675 | debug_to_get_current_exception_event (void) |
c906108c | 2676 | { |
7a292a7a | 2677 | struct exception_event_record *result; |
c5aa993b | 2678 | result = debug_target.to_get_current_exception_event (); |
96baa820 | 2679 | fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n"); |
7a292a7a | 2680 | return result; |
c906108c SS |
2681 | } |
2682 | ||
2683 | static char * | |
fba45db2 | 2684 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2685 | { |
c5aa993b | 2686 | char *exec_file; |
c906108c SS |
2687 | |
2688 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2689 | ||
96baa820 | 2690 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2691 | pid, exec_file); |
c906108c SS |
2692 | |
2693 | return exec_file; | |
2694 | } | |
2695 | ||
c906108c | 2696 | static void |
fba45db2 | 2697 | setup_target_debug (void) |
c906108c SS |
2698 | { |
2699 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2700 | ||
2701 | current_target.to_open = debug_to_open; | |
2702 | current_target.to_close = debug_to_close; | |
2703 | current_target.to_attach = debug_to_attach; | |
2704 | current_target.to_post_attach = debug_to_post_attach; | |
c906108c | 2705 | current_target.to_detach = debug_to_detach; |
c906108c SS |
2706 | current_target.to_resume = debug_to_resume; |
2707 | current_target.to_wait = debug_to_wait; | |
c906108c SS |
2708 | current_target.to_fetch_registers = debug_to_fetch_registers; |
2709 | current_target.to_store_registers = debug_to_store_registers; | |
2710 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
c8e73a31 | 2711 | current_target.deprecated_xfer_memory = deprecated_debug_xfer_memory; |
c906108c SS |
2712 | current_target.to_files_info = debug_to_files_info; |
2713 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2714 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
ccaa32c7 GS |
2715 | current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint; |
2716 | current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint; | |
2717 | current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint; | |
2718 | current_target.to_insert_watchpoint = debug_to_insert_watchpoint; | |
2719 | current_target.to_remove_watchpoint = debug_to_remove_watchpoint; | |
2720 | current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint; | |
2721 | current_target.to_stopped_data_address = debug_to_stopped_data_address; | |
e0d24f8d | 2722 | current_target.to_region_ok_for_hw_watchpoint = debug_to_region_ok_for_hw_watchpoint; |
c906108c SS |
2723 | current_target.to_terminal_init = debug_to_terminal_init; |
2724 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2725 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2726 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
a790ad35 | 2727 | current_target.to_terminal_save_ours = debug_to_terminal_save_ours; |
c906108c SS |
2728 | current_target.to_terminal_info = debug_to_terminal_info; |
2729 | current_target.to_kill = debug_to_kill; | |
2730 | current_target.to_load = debug_to_load; | |
2731 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2732 | current_target.to_create_inferior = debug_to_create_inferior; | |
2733 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2734 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
c906108c SS |
2735 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; |
2736 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2737 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2738 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
c906108c SS |
2739 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; |
2740 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
c906108c | 2741 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; |
c906108c SS |
2742 | current_target.to_has_exited = debug_to_has_exited; |
2743 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2744 | current_target.to_can_run = debug_to_can_run; | |
2745 | current_target.to_notice_signals = debug_to_notice_signals; | |
2746 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 2747 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c | 2748 | current_target.to_stop = debug_to_stop; |
96baa820 | 2749 | current_target.to_rcmd = debug_to_rcmd; |
c906108c SS |
2750 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
2751 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
2752 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
c906108c | 2753 | } |
c906108c | 2754 | \f |
c5aa993b JM |
2755 | |
2756 | static char targ_desc[] = | |
2757 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
2758 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
2759 | core-file, and process, if any), as well as the symbol file name."; | |
2760 | ||
96baa820 JM |
2761 | static void |
2762 | do_monitor_command (char *cmd, | |
2763 | int from_tty) | |
2764 | { | |
2b5fe715 AC |
2765 | if ((current_target.to_rcmd |
2766 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 2767 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
2768 | && (debug_target.to_rcmd |
2769 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
8a3fe4f8 | 2770 | error (_("\"monitor\" command not supported by this target.")); |
96baa820 JM |
2771 | target_rcmd (cmd, gdb_stdtarg); |
2772 | } | |
2773 | ||
87680a14 JB |
2774 | /* Print the name of each layers of our target stack. */ |
2775 | ||
2776 | static void | |
2777 | maintenance_print_target_stack (char *cmd, int from_tty) | |
2778 | { | |
2779 | struct target_ops *t; | |
2780 | ||
2781 | printf_filtered (_("The current target stack is:\n")); | |
2782 | ||
2783 | for (t = target_stack; t != NULL; t = t->beneath) | |
2784 | { | |
2785 | printf_filtered (" - %s (%s)\n", t->to_shortname, t->to_longname); | |
2786 | } | |
2787 | } | |
2788 | ||
c906108c | 2789 | void |
fba45db2 | 2790 | initialize_targets (void) |
c906108c SS |
2791 | { |
2792 | init_dummy_target (); | |
2793 | push_target (&dummy_target); | |
2794 | ||
2795 | add_info ("target", target_info, targ_desc); | |
2796 | add_info ("files", target_info, targ_desc); | |
2797 | ||
85c07804 AC |
2798 | add_setshow_zinteger_cmd ("target", class_maintenance, &targetdebug, _("\ |
2799 | Set target debugging."), _("\ | |
2800 | Show target debugging."), _("\ | |
333dabeb DJ |
2801 | When non-zero, target debugging is enabled. Higher numbers are more\n\ |
2802 | verbose. Changes do not take effect until the next \"run\" or \"target\"\n\ | |
85c07804 AC |
2803 | command."), |
2804 | NULL, | |
920d2a44 | 2805 | show_targetdebug, |
85c07804 | 2806 | &setdebuglist, &showdebuglist); |
3a11626d | 2807 | |
2bc416ba | 2808 | add_setshow_boolean_cmd ("trust-readonly-sections", class_support, |
7915a72c AC |
2809 | &trust_readonly, _("\ |
2810 | Set mode for reading from readonly sections."), _("\ | |
2811 | Show mode for reading from readonly sections."), _("\ | |
3a11626d MS |
2812 | When this mode is on, memory reads from readonly sections (such as .text)\n\ |
2813 | will be read from the object file instead of from the target. This will\n\ | |
7915a72c | 2814 | result in significant performance improvement for remote targets."), |
2c5b56ce | 2815 | NULL, |
920d2a44 | 2816 | show_trust_readonly, |
e707bbc2 | 2817 | &setlist, &showlist); |
96baa820 JM |
2818 | |
2819 | add_com ("monitor", class_obscure, do_monitor_command, | |
1bedd215 | 2820 | _("Send a command to the remote monitor (remote targets only).")); |
96baa820 | 2821 | |
87680a14 JB |
2822 | add_cmd ("target-stack", class_maintenance, maintenance_print_target_stack, |
2823 | _("Print the name of each layer of the internal target stack."), | |
2824 | &maintenanceprintlist); | |
2825 | ||
8add0441 | 2826 | target_dcache = dcache_init (); |
c906108c | 2827 | } |