Commit | Line | Data |
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c906108c | 1 | /* Select target systems and architectures at runtime for GDB. |
7998dfc3 | 2 | |
6aba47ca | 3 | Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
9b254dd1 | 4 | 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 |
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 | |
a9762ec7 | 13 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 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 | 21 | You should have received a copy of the GNU General Public License |
a9762ec7 | 22 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
23 | |
24 | #include "defs.h" | |
25 | #include <errno.h> | |
c906108c SS |
26 | #include "gdb_string.h" |
27 | #include "target.h" | |
28 | #include "gdbcmd.h" | |
29 | #include "symtab.h" | |
30 | #include "inferior.h" | |
31 | #include "bfd.h" | |
32 | #include "symfile.h" | |
33 | #include "objfiles.h" | |
03f2053f | 34 | #include "gdb_wait.h" |
4930751a | 35 | #include "dcache.h" |
c906108c | 36 | #include <signal.h> |
4e052eda | 37 | #include "regcache.h" |
0088c768 | 38 | #include "gdb_assert.h" |
b6591e8b | 39 | #include "gdbcore.h" |
9e35dae4 | 40 | #include "exceptions.h" |
424163ea | 41 | #include "target-descriptions.h" |
8defab1a | 42 | #include "gdb_stdint.h" |
c906108c | 43 | |
a14ed312 | 44 | static void target_info (char *, int); |
c906108c | 45 | |
a14ed312 | 46 | static void maybe_kill_then_attach (char *, int); |
c906108c | 47 | |
a14ed312 | 48 | static void kill_or_be_killed (int); |
c906108c | 49 | |
a14ed312 | 50 | static void default_terminal_info (char *, int); |
c906108c | 51 | |
e0d24f8d WZ |
52 | static int default_region_ok_for_hw_watchpoint (CORE_ADDR, int); |
53 | ||
a14ed312 | 54 | static int nosymbol (char *, CORE_ADDR *); |
c906108c | 55 | |
4ecb6f27 | 56 | static void tcomplain (void) ATTR_NORETURN; |
c906108c | 57 | |
a14ed312 | 58 | static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *); |
c906108c | 59 | |
a14ed312 | 60 | static int return_zero (void); |
c906108c | 61 | |
a14ed312 | 62 | static int return_one (void); |
c906108c | 63 | |
ccaa32c7 GS |
64 | static int return_minus_one (void); |
65 | ||
a14ed312 | 66 | void target_ignore (void); |
c906108c | 67 | |
a14ed312 | 68 | static void target_command (char *, int); |
c906108c | 69 | |
a14ed312 | 70 | static struct target_ops *find_default_run_target (char *); |
c906108c | 71 | |
a14ed312 | 72 | static void nosupport_runtime (void); |
392a587b | 73 | |
4b8a223f | 74 | static LONGEST default_xfer_partial (struct target_ops *ops, |
0088c768 | 75 | enum target_object object, |
1b0ba102 AC |
76 | const char *annex, gdb_byte *readbuf, |
77 | const gdb_byte *writebuf, | |
8aa91c1e | 78 | ULONGEST offset, LONGEST len); |
0088c768 | 79 | |
cf7a04e8 DJ |
80 | static LONGEST current_xfer_partial (struct target_ops *ops, |
81 | enum target_object object, | |
82 | const char *annex, gdb_byte *readbuf, | |
83 | const gdb_byte *writebuf, | |
84 | ULONGEST offset, LONGEST len); | |
c906108c | 85 | |
cf7a04e8 DJ |
86 | static LONGEST target_xfer_partial (struct target_ops *ops, |
87 | enum target_object object, | |
88 | const char *annex, | |
89 | void *readbuf, const void *writebuf, | |
90 | ULONGEST offset, LONGEST len); | |
c906108c | 91 | |
a14ed312 | 92 | static void init_dummy_target (void); |
c906108c | 93 | |
aa869812 AC |
94 | static struct target_ops debug_target; |
95 | ||
a14ed312 | 96 | static void debug_to_open (char *, int); |
c906108c | 97 | |
a14ed312 | 98 | static void debug_to_close (int); |
c906108c | 99 | |
a14ed312 | 100 | static void debug_to_attach (char *, int); |
c906108c | 101 | |
a14ed312 | 102 | static void debug_to_detach (char *, int); |
c906108c | 103 | |
39f77062 | 104 | static void debug_to_resume (ptid_t, int, enum target_signal); |
c906108c | 105 | |
39f77062 | 106 | static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *); |
c906108c | 107 | |
56be3814 | 108 | static void debug_to_fetch_registers (struct regcache *, int); |
c906108c | 109 | |
56be3814 | 110 | static void debug_to_store_registers (struct regcache *, int); |
c906108c | 111 | |
316f2060 | 112 | static void debug_to_prepare_to_store (struct regcache *); |
c906108c | 113 | |
a14ed312 | 114 | static void debug_to_files_info (struct target_ops *); |
c906108c | 115 | |
8181d85f | 116 | static int debug_to_insert_breakpoint (struct bp_target_info *); |
c906108c | 117 | |
8181d85f | 118 | static int debug_to_remove_breakpoint (struct bp_target_info *); |
c906108c | 119 | |
ccaa32c7 GS |
120 | static int debug_to_can_use_hw_breakpoint (int, int, int); |
121 | ||
8181d85f | 122 | static int debug_to_insert_hw_breakpoint (struct bp_target_info *); |
ccaa32c7 | 123 | |
8181d85f | 124 | static int debug_to_remove_hw_breakpoint (struct bp_target_info *); |
ccaa32c7 GS |
125 | |
126 | static int debug_to_insert_watchpoint (CORE_ADDR, int, int); | |
127 | ||
128 | static int debug_to_remove_watchpoint (CORE_ADDR, int, int); | |
129 | ||
130 | static int debug_to_stopped_by_watchpoint (void); | |
131 | ||
4aa7a7f5 | 132 | static int debug_to_stopped_data_address (struct target_ops *, CORE_ADDR *); |
ccaa32c7 | 133 | |
e0d24f8d WZ |
134 | static int debug_to_region_ok_for_hw_watchpoint (CORE_ADDR, int); |
135 | ||
a14ed312 | 136 | static void debug_to_terminal_init (void); |
c906108c | 137 | |
a14ed312 | 138 | static void debug_to_terminal_inferior (void); |
c906108c | 139 | |
a14ed312 | 140 | static void debug_to_terminal_ours_for_output (void); |
c906108c | 141 | |
a790ad35 SC |
142 | static void debug_to_terminal_save_ours (void); |
143 | ||
a14ed312 | 144 | static void debug_to_terminal_ours (void); |
c906108c | 145 | |
a14ed312 | 146 | static void debug_to_terminal_info (char *, int); |
c906108c | 147 | |
a14ed312 | 148 | static void debug_to_kill (void); |
c906108c | 149 | |
a14ed312 | 150 | static void debug_to_load (char *, int); |
c906108c | 151 | |
a14ed312 | 152 | static int debug_to_lookup_symbol (char *, CORE_ADDR *); |
c906108c | 153 | |
a14ed312 | 154 | static void debug_to_mourn_inferior (void); |
c906108c | 155 | |
a14ed312 | 156 | static int debug_to_can_run (void); |
c906108c | 157 | |
39f77062 | 158 | static void debug_to_notice_signals (ptid_t); |
c906108c | 159 | |
39f77062 | 160 | static int debug_to_thread_alive (ptid_t); |
c906108c | 161 | |
a14ed312 | 162 | static void debug_to_stop (void); |
c906108c | 163 | |
5ac10fd1 AC |
164 | /* NOTE: cagney/2004-09-29: Many targets reference this variable in |
165 | wierd and mysterious ways. Putting the variable here lets those | |
166 | wierd and mysterious ways keep building while they are being | |
167 | converted to the inferior inheritance structure. */ | |
1df84f13 | 168 | struct target_ops deprecated_child_ops; |
5ac10fd1 | 169 | |
c906108c | 170 | /* Pointer to array of target architecture structures; the size of the |
2bc416ba | 171 | array; the current index into the array; the allocated size of the |
c906108c SS |
172 | array. */ |
173 | struct target_ops **target_structs; | |
174 | unsigned target_struct_size; | |
175 | unsigned target_struct_index; | |
176 | unsigned target_struct_allocsize; | |
177 | #define DEFAULT_ALLOCSIZE 10 | |
178 | ||
179 | /* The initial current target, so that there is always a semi-valid | |
180 | current target. */ | |
181 | ||
182 | static struct target_ops dummy_target; | |
183 | ||
184 | /* Top of target stack. */ | |
185 | ||
258b763a | 186 | static struct target_ops *target_stack; |
c906108c SS |
187 | |
188 | /* The target structure we are currently using to talk to a process | |
189 | or file or whatever "inferior" we have. */ | |
190 | ||
191 | struct target_ops current_target; | |
192 | ||
193 | /* Command list for target. */ | |
194 | ||
195 | static struct cmd_list_element *targetlist = NULL; | |
196 | ||
197 | /* Nonzero if we are debugging an attached outside process | |
198 | rather than an inferior. */ | |
199 | ||
200 | int attach_flag; | |
201 | ||
cf7a04e8 DJ |
202 | /* Nonzero if we should trust readonly sections from the |
203 | executable when reading memory. */ | |
204 | ||
205 | static int trust_readonly = 0; | |
206 | ||
8defab1a DJ |
207 | /* Nonzero if we should show true memory content including |
208 | memory breakpoint inserted by gdb. */ | |
209 | ||
210 | static int show_memory_breakpoints = 0; | |
211 | ||
c906108c SS |
212 | /* Non-zero if we want to see trace of target level stuff. */ |
213 | ||
214 | static int targetdebug = 0; | |
920d2a44 AC |
215 | static void |
216 | show_targetdebug (struct ui_file *file, int from_tty, | |
217 | struct cmd_list_element *c, const char *value) | |
218 | { | |
219 | fprintf_filtered (file, _("Target debugging is %s.\n"), value); | |
220 | } | |
c906108c | 221 | |
a14ed312 | 222 | static void setup_target_debug (void); |
c906108c | 223 | |
4930751a C |
224 | DCACHE *target_dcache; |
225 | ||
c906108c SS |
226 | /* The user just typed 'target' without the name of a target. */ |
227 | ||
c906108c | 228 | static void |
fba45db2 | 229 | target_command (char *arg, int from_tty) |
c906108c SS |
230 | { |
231 | fputs_filtered ("Argument required (target name). Try `help target'\n", | |
232 | gdb_stdout); | |
233 | } | |
234 | ||
235 | /* Add a possible target architecture to the list. */ | |
236 | ||
237 | void | |
fba45db2 | 238 | add_target (struct target_ops *t) |
c906108c | 239 | { |
0088c768 | 240 | /* Provide default values for all "must have" methods. */ |
0b603eba AC |
241 | if (t->to_xfer_partial == NULL) |
242 | t->to_xfer_partial = default_xfer_partial; | |
0088c768 | 243 | |
c906108c SS |
244 | if (!target_structs) |
245 | { | |
246 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
247 | target_structs = (struct target_ops **) xmalloc | |
248 | (target_struct_allocsize * sizeof (*target_structs)); | |
249 | } | |
250 | if (target_struct_size >= target_struct_allocsize) | |
251 | { | |
252 | target_struct_allocsize *= 2; | |
253 | target_structs = (struct target_ops **) | |
c5aa993b JM |
254 | xrealloc ((char *) target_structs, |
255 | target_struct_allocsize * sizeof (*target_structs)); | |
c906108c SS |
256 | } |
257 | target_structs[target_struct_size++] = t; | |
c906108c SS |
258 | |
259 | if (targetlist == NULL) | |
1bedd215 AC |
260 | add_prefix_cmd ("target", class_run, target_command, _("\ |
261 | Connect to a target machine or process.\n\ | |
c906108c SS |
262 | The first argument is the type or protocol of the target machine.\n\ |
263 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
264 | information on the arguments for a particular protocol, type\n\ | |
1bedd215 | 265 | `help target ' followed by the protocol name."), |
c906108c SS |
266 | &targetlist, "target ", 0, &cmdlist); |
267 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
268 | } | |
269 | ||
270 | /* Stub functions */ | |
271 | ||
272 | void | |
fba45db2 | 273 | target_ignore (void) |
c906108c SS |
274 | { |
275 | } | |
276 | ||
11cf8741 JM |
277 | void |
278 | target_load (char *arg, int from_tty) | |
279 | { | |
4930751a | 280 | dcache_invalidate (target_dcache); |
11cf8741 JM |
281 | (*current_target.to_load) (arg, from_tty); |
282 | } | |
283 | ||
c906108c | 284 | static int |
fba45db2 KB |
285 | nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
286 | struct target_ops *t) | |
c906108c | 287 | { |
c5aa993b JM |
288 | errno = EIO; /* Can't read/write this location */ |
289 | return 0; /* No bytes handled */ | |
c906108c SS |
290 | } |
291 | ||
292 | static void | |
fba45db2 | 293 | tcomplain (void) |
c906108c | 294 | { |
8a3fe4f8 | 295 | error (_("You can't do that when your target is `%s'"), |
c906108c SS |
296 | current_target.to_shortname); |
297 | } | |
298 | ||
299 | void | |
fba45db2 | 300 | noprocess (void) |
c906108c | 301 | { |
8a3fe4f8 | 302 | error (_("You can't do that without a process to debug.")); |
c906108c SS |
303 | } |
304 | ||
c906108c | 305 | static int |
fba45db2 | 306 | nosymbol (char *name, CORE_ADDR *addrp) |
c906108c | 307 | { |
c5aa993b | 308 | return 1; /* Symbol does not exist in target env */ |
c906108c SS |
309 | } |
310 | ||
392a587b | 311 | static void |
fba45db2 | 312 | nosupport_runtime (void) |
c906108c | 313 | { |
39f77062 | 314 | if (ptid_equal (inferior_ptid, null_ptid)) |
c906108c SS |
315 | noprocess (); |
316 | else | |
8a3fe4f8 | 317 | error (_("No run-time support for this")); |
c906108c SS |
318 | } |
319 | ||
320 | ||
c906108c | 321 | static void |
fba45db2 | 322 | default_terminal_info (char *args, int from_tty) |
c906108c | 323 | { |
a3f17187 | 324 | printf_unfiltered (_("No saved terminal information.\n")); |
c906108c SS |
325 | } |
326 | ||
327 | /* This is the default target_create_inferior and target_attach function. | |
328 | If the current target is executing, it asks whether to kill it off. | |
329 | If this function returns without calling error(), it has killed off | |
330 | the target, and the operation should be attempted. */ | |
331 | ||
332 | static void | |
fba45db2 | 333 | kill_or_be_killed (int from_tty) |
c906108c SS |
334 | { |
335 | if (target_has_execution) | |
336 | { | |
a3f17187 | 337 | printf_unfiltered (_("You are already running a program:\n")); |
c906108c | 338 | target_files_info (); |
c5aa993b JM |
339 | if (query ("Kill it? ")) |
340 | { | |
341 | target_kill (); | |
342 | if (target_has_execution) | |
8a3fe4f8 | 343 | error (_("Killing the program did not help.")); |
c5aa993b JM |
344 | return; |
345 | } | |
346 | else | |
347 | { | |
8a3fe4f8 | 348 | error (_("Program not killed.")); |
c5aa993b | 349 | } |
c906108c | 350 | } |
c5aa993b | 351 | tcomplain (); |
c906108c SS |
352 | } |
353 | ||
354 | static void | |
fba45db2 | 355 | maybe_kill_then_attach (char *args, int from_tty) |
c906108c SS |
356 | { |
357 | kill_or_be_killed (from_tty); | |
358 | target_attach (args, from_tty); | |
359 | } | |
360 | ||
361 | static void | |
c27cda74 AC |
362 | maybe_kill_then_create_inferior (char *exec, char *args, char **env, |
363 | int from_tty) | |
c906108c SS |
364 | { |
365 | kill_or_be_killed (0); | |
c27cda74 | 366 | target_create_inferior (exec, args, env, from_tty); |
c906108c SS |
367 | } |
368 | ||
7998dfc3 AC |
369 | /* Go through the target stack from top to bottom, copying over zero |
370 | entries in current_target, then filling in still empty entries. In | |
371 | effect, we are doing class inheritance through the pushed target | |
372 | vectors. | |
373 | ||
374 | NOTE: cagney/2003-10-17: The problem with this inheritance, as it | |
375 | is currently implemented, is that it discards any knowledge of | |
376 | which target an inherited method originally belonged to. | |
377 | Consequently, new new target methods should instead explicitly and | |
378 | locally search the target stack for the target that can handle the | |
379 | request. */ | |
c906108c SS |
380 | |
381 | static void | |
7998dfc3 | 382 | update_current_target (void) |
c906108c | 383 | { |
7998dfc3 AC |
384 | struct target_ops *t; |
385 | ||
08d8bcd7 | 386 | /* First, reset current's contents. */ |
7998dfc3 AC |
387 | memset (¤t_target, 0, sizeof (current_target)); |
388 | ||
389 | #define INHERIT(FIELD, TARGET) \ | |
390 | if (!current_target.FIELD) \ | |
391 | current_target.FIELD = (TARGET)->FIELD | |
392 | ||
393 | for (t = target_stack; t; t = t->beneath) | |
394 | { | |
395 | INHERIT (to_shortname, t); | |
396 | INHERIT (to_longname, t); | |
397 | INHERIT (to_doc, t); | |
398 | INHERIT (to_open, t); | |
399 | INHERIT (to_close, t); | |
400 | INHERIT (to_attach, t); | |
401 | INHERIT (to_post_attach, t); | |
402 | INHERIT (to_detach, t); | |
597320e7 | 403 | /* Do not inherit to_disconnect. */ |
7998dfc3 AC |
404 | INHERIT (to_resume, t); |
405 | INHERIT (to_wait, t); | |
7998dfc3 AC |
406 | INHERIT (to_fetch_registers, t); |
407 | INHERIT (to_store_registers, t); | |
408 | INHERIT (to_prepare_to_store, t); | |
c8e73a31 | 409 | INHERIT (deprecated_xfer_memory, t); |
7998dfc3 AC |
410 | INHERIT (to_files_info, t); |
411 | INHERIT (to_insert_breakpoint, t); | |
412 | INHERIT (to_remove_breakpoint, t); | |
413 | INHERIT (to_can_use_hw_breakpoint, t); | |
414 | INHERIT (to_insert_hw_breakpoint, t); | |
415 | INHERIT (to_remove_hw_breakpoint, t); | |
416 | INHERIT (to_insert_watchpoint, t); | |
417 | INHERIT (to_remove_watchpoint, t); | |
418 | INHERIT (to_stopped_data_address, t); | |
419 | INHERIT (to_stopped_by_watchpoint, t); | |
74174d2e | 420 | INHERIT (to_have_steppable_watchpoint, t); |
7998dfc3 | 421 | INHERIT (to_have_continuable_watchpoint, t); |
e0d24f8d | 422 | INHERIT (to_region_ok_for_hw_watchpoint, t); |
7998dfc3 AC |
423 | INHERIT (to_terminal_init, t); |
424 | INHERIT (to_terminal_inferior, t); | |
425 | INHERIT (to_terminal_ours_for_output, t); | |
426 | INHERIT (to_terminal_ours, t); | |
427 | INHERIT (to_terminal_save_ours, t); | |
428 | INHERIT (to_terminal_info, t); | |
429 | INHERIT (to_kill, t); | |
430 | INHERIT (to_load, t); | |
431 | INHERIT (to_lookup_symbol, t); | |
432 | INHERIT (to_create_inferior, t); | |
433 | INHERIT (to_post_startup_inferior, t); | |
434 | INHERIT (to_acknowledge_created_inferior, t); | |
435 | INHERIT (to_insert_fork_catchpoint, t); | |
436 | INHERIT (to_remove_fork_catchpoint, t); | |
437 | INHERIT (to_insert_vfork_catchpoint, t); | |
438 | INHERIT (to_remove_vfork_catchpoint, t); | |
ee057212 | 439 | /* Do not inherit to_follow_fork. */ |
7998dfc3 AC |
440 | INHERIT (to_insert_exec_catchpoint, t); |
441 | INHERIT (to_remove_exec_catchpoint, t); | |
7998dfc3 AC |
442 | INHERIT (to_has_exited, t); |
443 | INHERIT (to_mourn_inferior, t); | |
444 | INHERIT (to_can_run, t); | |
445 | INHERIT (to_notice_signals, t); | |
446 | INHERIT (to_thread_alive, t); | |
447 | INHERIT (to_find_new_threads, t); | |
448 | INHERIT (to_pid_to_str, t); | |
449 | INHERIT (to_extra_thread_info, t); | |
450 | INHERIT (to_stop, t); | |
4b8a223f | 451 | /* Do not inherit to_xfer_partial. */ |
7998dfc3 | 452 | INHERIT (to_rcmd, t); |
7998dfc3 | 453 | INHERIT (to_pid_to_exec_file, t); |
49d03eab | 454 | INHERIT (to_log_command, t); |
7998dfc3 AC |
455 | INHERIT (to_stratum, t); |
456 | INHERIT (to_has_all_memory, t); | |
457 | INHERIT (to_has_memory, t); | |
458 | INHERIT (to_has_stack, t); | |
459 | INHERIT (to_has_registers, t); | |
460 | INHERIT (to_has_execution, t); | |
461 | INHERIT (to_has_thread_control, t); | |
462 | INHERIT (to_sections, t); | |
463 | INHERIT (to_sections_end, t); | |
464 | INHERIT (to_can_async_p, t); | |
465 | INHERIT (to_is_async_p, t); | |
466 | INHERIT (to_async, t); | |
467 | INHERIT (to_async_mask_value, t); | |
468 | INHERIT (to_find_memory_regions, t); | |
469 | INHERIT (to_make_corefile_notes, t); | |
470 | INHERIT (to_get_thread_local_address, t); | |
424163ea | 471 | /* Do not inherit to_read_description. */ |
7998dfc3 | 472 | INHERIT (to_magic, t); |
fd79ecee | 473 | /* Do not inherit to_memory_map. */ |
a76d924d DJ |
474 | /* Do not inherit to_flash_erase. */ |
475 | /* Do not inherit to_flash_done. */ | |
7998dfc3 AC |
476 | } |
477 | #undef INHERIT | |
478 | ||
479 | /* Clean up a target struct so it no longer has any zero pointers in | |
0088c768 AC |
480 | it. Some entries are defaulted to a method that print an error, |
481 | others are hard-wired to a standard recursive default. */ | |
c906108c SS |
482 | |
483 | #define de_fault(field, value) \ | |
7998dfc3 AC |
484 | if (!current_target.field) \ |
485 | current_target.field = value | |
0d06e24b | 486 | |
2bc416ba DJ |
487 | de_fault (to_open, |
488 | (void (*) (char *, int)) | |
0d06e24b | 489 | tcomplain); |
2bc416ba DJ |
490 | de_fault (to_close, |
491 | (void (*) (int)) | |
0d06e24b | 492 | target_ignore); |
2bc416ba | 493 | de_fault (to_attach, |
0d06e24b | 494 | maybe_kill_then_attach); |
2bc416ba DJ |
495 | de_fault (to_post_attach, |
496 | (void (*) (int)) | |
0d06e24b | 497 | target_ignore); |
2bc416ba DJ |
498 | de_fault (to_detach, |
499 | (void (*) (char *, int)) | |
0d06e24b | 500 | target_ignore); |
2bc416ba DJ |
501 | de_fault (to_resume, |
502 | (void (*) (ptid_t, int, enum target_signal)) | |
0d06e24b | 503 | noprocess); |
2bc416ba DJ |
504 | de_fault (to_wait, |
505 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) | |
0d06e24b | 506 | noprocess); |
2bc416ba | 507 | de_fault (to_fetch_registers, |
56be3814 | 508 | (void (*) (struct regcache *, int)) |
0d06e24b | 509 | target_ignore); |
2bc416ba | 510 | de_fault (to_store_registers, |
56be3814 | 511 | (void (*) (struct regcache *, int)) |
0d06e24b | 512 | noprocess); |
2bc416ba | 513 | de_fault (to_prepare_to_store, |
316f2060 | 514 | (void (*) (struct regcache *)) |
0d06e24b | 515 | noprocess); |
2bc416ba DJ |
516 | de_fault (deprecated_xfer_memory, |
517 | (int (*) (CORE_ADDR, gdb_byte *, int, int, struct mem_attrib *, struct target_ops *)) | |
0d06e24b | 518 | nomemory); |
2bc416ba DJ |
519 | de_fault (to_files_info, |
520 | (void (*) (struct target_ops *)) | |
0d06e24b | 521 | target_ignore); |
2bc416ba | 522 | de_fault (to_insert_breakpoint, |
0d06e24b | 523 | memory_insert_breakpoint); |
2bc416ba | 524 | de_fault (to_remove_breakpoint, |
0d06e24b | 525 | memory_remove_breakpoint); |
ccaa32c7 GS |
526 | de_fault (to_can_use_hw_breakpoint, |
527 | (int (*) (int, int, int)) | |
528 | return_zero); | |
529 | de_fault (to_insert_hw_breakpoint, | |
8181d85f | 530 | (int (*) (struct bp_target_info *)) |
ccaa32c7 GS |
531 | return_minus_one); |
532 | de_fault (to_remove_hw_breakpoint, | |
8181d85f | 533 | (int (*) (struct bp_target_info *)) |
ccaa32c7 GS |
534 | return_minus_one); |
535 | de_fault (to_insert_watchpoint, | |
536 | (int (*) (CORE_ADDR, int, int)) | |
537 | return_minus_one); | |
538 | de_fault (to_remove_watchpoint, | |
539 | (int (*) (CORE_ADDR, int, int)) | |
540 | return_minus_one); | |
541 | de_fault (to_stopped_by_watchpoint, | |
542 | (int (*) (void)) | |
543 | return_zero); | |
544 | de_fault (to_stopped_data_address, | |
4aa7a7f5 | 545 | (int (*) (struct target_ops *, CORE_ADDR *)) |
ccaa32c7 | 546 | return_zero); |
e0d24f8d WZ |
547 | de_fault (to_region_ok_for_hw_watchpoint, |
548 | default_region_ok_for_hw_watchpoint); | |
2bc416ba DJ |
549 | de_fault (to_terminal_init, |
550 | (void (*) (void)) | |
0d06e24b | 551 | target_ignore); |
2bc416ba DJ |
552 | de_fault (to_terminal_inferior, |
553 | (void (*) (void)) | |
0d06e24b | 554 | target_ignore); |
2bc416ba DJ |
555 | de_fault (to_terminal_ours_for_output, |
556 | (void (*) (void)) | |
0d06e24b | 557 | target_ignore); |
2bc416ba DJ |
558 | de_fault (to_terminal_ours, |
559 | (void (*) (void)) | |
0d06e24b | 560 | target_ignore); |
2bc416ba DJ |
561 | de_fault (to_terminal_save_ours, |
562 | (void (*) (void)) | |
a790ad35 | 563 | target_ignore); |
2bc416ba | 564 | de_fault (to_terminal_info, |
0d06e24b | 565 | default_terminal_info); |
2bc416ba DJ |
566 | de_fault (to_kill, |
567 | (void (*) (void)) | |
0d06e24b | 568 | noprocess); |
2bc416ba DJ |
569 | de_fault (to_load, |
570 | (void (*) (char *, int)) | |
0d06e24b | 571 | tcomplain); |
2bc416ba DJ |
572 | de_fault (to_lookup_symbol, |
573 | (int (*) (char *, CORE_ADDR *)) | |
0d06e24b | 574 | nosymbol); |
2bc416ba | 575 | de_fault (to_create_inferior, |
0d06e24b | 576 | maybe_kill_then_create_inferior); |
2bc416ba DJ |
577 | de_fault (to_post_startup_inferior, |
578 | (void (*) (ptid_t)) | |
0d06e24b | 579 | target_ignore); |
2bc416ba DJ |
580 | de_fault (to_acknowledge_created_inferior, |
581 | (void (*) (int)) | |
0d06e24b | 582 | target_ignore); |
2bc416ba DJ |
583 | de_fault (to_insert_fork_catchpoint, |
584 | (void (*) (int)) | |
0d06e24b | 585 | tcomplain); |
2bc416ba DJ |
586 | de_fault (to_remove_fork_catchpoint, |
587 | (int (*) (int)) | |
0d06e24b | 588 | tcomplain); |
2bc416ba DJ |
589 | de_fault (to_insert_vfork_catchpoint, |
590 | (void (*) (int)) | |
0d06e24b | 591 | tcomplain); |
2bc416ba DJ |
592 | de_fault (to_remove_vfork_catchpoint, |
593 | (int (*) (int)) | |
0d06e24b | 594 | tcomplain); |
2bc416ba DJ |
595 | de_fault (to_insert_exec_catchpoint, |
596 | (void (*) (int)) | |
0d06e24b | 597 | tcomplain); |
2bc416ba DJ |
598 | de_fault (to_remove_exec_catchpoint, |
599 | (int (*) (int)) | |
0d06e24b | 600 | tcomplain); |
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_pid_to_exec_file, |
629 | (char *(*) (int)) | |
0d06e24b | 630 | return_zero); |
2bc416ba DJ |
631 | de_fault (to_can_async_p, |
632 | (int (*) (void)) | |
0d06e24b | 633 | return_zero); |
2bc416ba DJ |
634 | de_fault (to_is_async_p, |
635 | (int (*) (void)) | |
0d06e24b | 636 | return_zero); |
2bc416ba DJ |
637 | de_fault (to_async, |
638 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
0d06e24b | 639 | tcomplain); |
424163ea | 640 | current_target.to_read_description = NULL; |
c906108c | 641 | #undef de_fault |
c906108c | 642 | |
7998dfc3 AC |
643 | /* Finally, position the target-stack beneath the squashed |
644 | "current_target". That way code looking for a non-inherited | |
645 | target method can quickly and simply find it. */ | |
646 | current_target.beneath = target_stack; | |
b4b61fdb DJ |
647 | |
648 | if (targetdebug) | |
649 | setup_target_debug (); | |
c906108c SS |
650 | } |
651 | ||
52bb452f DJ |
652 | /* Mark OPS as a running target. This reverses the effect |
653 | of target_mark_exited. */ | |
654 | ||
655 | void | |
656 | target_mark_running (struct target_ops *ops) | |
657 | { | |
658 | struct target_ops *t; | |
659 | ||
660 | for (t = target_stack; t != NULL; t = t->beneath) | |
661 | if (t == ops) | |
662 | break; | |
663 | if (t == NULL) | |
664 | internal_error (__FILE__, __LINE__, | |
665 | "Attempted to mark unpushed target \"%s\" as running", | |
666 | ops->to_shortname); | |
667 | ||
668 | ops->to_has_execution = 1; | |
669 | ops->to_has_all_memory = 1; | |
670 | ops->to_has_memory = 1; | |
671 | ops->to_has_stack = 1; | |
672 | ops->to_has_registers = 1; | |
673 | ||
674 | update_current_target (); | |
675 | } | |
676 | ||
677 | /* Mark OPS as a non-running target. This reverses the effect | |
678 | of target_mark_running. */ | |
679 | ||
680 | void | |
681 | target_mark_exited (struct target_ops *ops) | |
682 | { | |
683 | struct target_ops *t; | |
684 | ||
685 | for (t = target_stack; t != NULL; t = t->beneath) | |
686 | if (t == ops) | |
687 | break; | |
688 | if (t == NULL) | |
689 | internal_error (__FILE__, __LINE__, | |
690 | "Attempted to mark unpushed target \"%s\" as running", | |
691 | ops->to_shortname); | |
692 | ||
693 | ops->to_has_execution = 0; | |
694 | ops->to_has_all_memory = 0; | |
695 | ops->to_has_memory = 0; | |
696 | ops->to_has_stack = 0; | |
697 | ops->to_has_registers = 0; | |
698 | ||
699 | update_current_target (); | |
700 | } | |
701 | ||
c906108c SS |
702 | /* Push a new target type into the stack of the existing target accessors, |
703 | possibly superseding some of the existing accessors. | |
704 | ||
705 | Result is zero if the pushed target ended up on top of the stack, | |
706 | nonzero if at least one target is on top of it. | |
707 | ||
708 | Rather than allow an empty stack, we always have the dummy target at | |
709 | the bottom stratum, so we can call the function vectors without | |
710 | checking them. */ | |
711 | ||
712 | int | |
fba45db2 | 713 | push_target (struct target_ops *t) |
c906108c | 714 | { |
258b763a | 715 | struct target_ops **cur; |
c906108c SS |
716 | |
717 | /* Check magic number. If wrong, it probably means someone changed | |
718 | the struct definition, but not all the places that initialize one. */ | |
719 | if (t->to_magic != OPS_MAGIC) | |
720 | { | |
c5aa993b JM |
721 | fprintf_unfiltered (gdb_stderr, |
722 | "Magic number of %s target struct wrong\n", | |
723 | t->to_shortname); | |
e2e0b3e5 | 724 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); |
c906108c SS |
725 | } |
726 | ||
258b763a AC |
727 | /* Find the proper stratum to install this target in. */ |
728 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) | |
c906108c | 729 | { |
258b763a | 730 | if ((int) (t->to_stratum) >= (int) (*cur)->to_stratum) |
c906108c SS |
731 | break; |
732 | } | |
733 | ||
258b763a | 734 | /* If there's already targets at this stratum, remove them. */ |
88c231eb | 735 | /* FIXME: cagney/2003-10-15: I think this should be popping all |
258b763a AC |
736 | targets to CUR, and not just those at this stratum level. */ |
737 | while ((*cur) != NULL && t->to_stratum == (*cur)->to_stratum) | |
738 | { | |
739 | /* There's already something at this stratum level. Close it, | |
740 | and un-hook it from the stack. */ | |
741 | struct target_ops *tmp = (*cur); | |
742 | (*cur) = (*cur)->beneath; | |
743 | tmp->beneath = NULL; | |
f1c07ab0 | 744 | target_close (tmp, 0); |
258b763a | 745 | } |
c906108c SS |
746 | |
747 | /* We have removed all targets in our stratum, now add the new one. */ | |
258b763a AC |
748 | t->beneath = (*cur); |
749 | (*cur) = t; | |
c906108c SS |
750 | |
751 | update_current_target (); | |
752 | ||
258b763a AC |
753 | /* Not on top? */ |
754 | return (t != target_stack); | |
c906108c SS |
755 | } |
756 | ||
2bc416ba | 757 | /* Remove a target_ops vector from the stack, wherever it may be. |
c906108c SS |
758 | Return how many times it was removed (0 or 1). */ |
759 | ||
760 | int | |
fba45db2 | 761 | unpush_target (struct target_ops *t) |
c906108c | 762 | { |
258b763a AC |
763 | struct target_ops **cur; |
764 | struct target_ops *tmp; | |
c906108c | 765 | |
c906108c SS |
766 | /* Look for the specified target. Note that we assume that a target |
767 | can only occur once in the target stack. */ | |
768 | ||
258b763a AC |
769 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) |
770 | { | |
771 | if ((*cur) == t) | |
772 | break; | |
773 | } | |
c906108c | 774 | |
258b763a | 775 | if ((*cur) == NULL) |
c906108c SS |
776 | return 0; /* Didn't find target_ops, quit now */ |
777 | ||
5269965e AC |
778 | /* NOTE: cagney/2003-12-06: In '94 the close call was made |
779 | unconditional by moving it to before the above check that the | |
780 | target was in the target stack (something about "Change the way | |
781 | pushing and popping of targets work to support target overlays | |
782 | and inheritance"). This doesn't make much sense - only open | |
783 | targets should be closed. */ | |
784 | target_close (t, 0); | |
785 | ||
c906108c | 786 | /* Unchain the target */ |
258b763a AC |
787 | tmp = (*cur); |
788 | (*cur) = (*cur)->beneath; | |
789 | tmp->beneath = NULL; | |
c906108c SS |
790 | |
791 | update_current_target (); | |
c906108c SS |
792 | |
793 | return 1; | |
794 | } | |
795 | ||
796 | void | |
fba45db2 | 797 | pop_target (void) |
c906108c | 798 | { |
f1c07ab0 | 799 | target_close (¤t_target, 0); /* Let it clean up */ |
258b763a | 800 | if (unpush_target (target_stack) == 1) |
c906108c SS |
801 | return; |
802 | ||
c5aa993b JM |
803 | fprintf_unfiltered (gdb_stderr, |
804 | "pop_target couldn't find target %s\n", | |
805 | current_target.to_shortname); | |
e2e0b3e5 | 806 | internal_error (__FILE__, __LINE__, _("failed internal consistency check")); |
c906108c SS |
807 | } |
808 | ||
72f5cf0e | 809 | /* Using the objfile specified in OBJFILE, find the address for the |
9e35dae4 DJ |
810 | current thread's thread-local storage with offset OFFSET. */ |
811 | CORE_ADDR | |
812 | target_translate_tls_address (struct objfile *objfile, CORE_ADDR offset) | |
813 | { | |
814 | volatile CORE_ADDR addr = 0; | |
815 | ||
816 | if (target_get_thread_local_address_p () | |
817 | && gdbarch_fetch_tls_load_module_address_p (current_gdbarch)) | |
818 | { | |
819 | ptid_t ptid = inferior_ptid; | |
820 | volatile struct gdb_exception ex; | |
821 | ||
822 | TRY_CATCH (ex, RETURN_MASK_ALL) | |
823 | { | |
824 | CORE_ADDR lm_addr; | |
825 | ||
826 | /* Fetch the load module address for this objfile. */ | |
827 | lm_addr = gdbarch_fetch_tls_load_module_address (current_gdbarch, | |
828 | objfile); | |
829 | /* If it's 0, throw the appropriate exception. */ | |
830 | if (lm_addr == 0) | |
831 | throw_error (TLS_LOAD_MODULE_NOT_FOUND_ERROR, | |
832 | _("TLS load module not found")); | |
833 | ||
834 | addr = target_get_thread_local_address (ptid, lm_addr, offset); | |
835 | } | |
836 | /* If an error occurred, print TLS related messages here. Otherwise, | |
837 | throw the error to some higher catcher. */ | |
838 | if (ex.reason < 0) | |
839 | { | |
840 | int objfile_is_library = (objfile->flags & OBJF_SHARED); | |
841 | ||
842 | switch (ex.error) | |
843 | { | |
844 | case TLS_NO_LIBRARY_SUPPORT_ERROR: | |
845 | error (_("Cannot find thread-local variables in this thread library.")); | |
846 | break; | |
847 | case TLS_LOAD_MODULE_NOT_FOUND_ERROR: | |
848 | if (objfile_is_library) | |
849 | error (_("Cannot find shared library `%s' in dynamic" | |
850 | " linker's load module list"), objfile->name); | |
851 | else | |
852 | error (_("Cannot find executable file `%s' in dynamic" | |
853 | " linker's load module list"), objfile->name); | |
854 | break; | |
855 | case TLS_NOT_ALLOCATED_YET_ERROR: | |
856 | if (objfile_is_library) | |
857 | error (_("The inferior has not yet allocated storage for" | |
858 | " thread-local variables in\n" | |
859 | "the shared library `%s'\n" | |
860 | "for %s"), | |
861 | objfile->name, target_pid_to_str (ptid)); | |
862 | else | |
863 | error (_("The inferior has not yet allocated storage for" | |
864 | " thread-local variables in\n" | |
865 | "the executable `%s'\n" | |
866 | "for %s"), | |
867 | objfile->name, target_pid_to_str (ptid)); | |
868 | break; | |
869 | case TLS_GENERIC_ERROR: | |
870 | if (objfile_is_library) | |
871 | error (_("Cannot find thread-local storage for %s, " | |
872 | "shared library %s:\n%s"), | |
873 | target_pid_to_str (ptid), | |
874 | objfile->name, ex.message); | |
875 | else | |
876 | error (_("Cannot find thread-local storage for %s, " | |
877 | "executable file %s:\n%s"), | |
878 | target_pid_to_str (ptid), | |
879 | objfile->name, ex.message); | |
880 | break; | |
881 | default: | |
882 | throw_exception (ex); | |
883 | break; | |
884 | } | |
885 | } | |
886 | } | |
887 | /* It wouldn't be wrong here to try a gdbarch method, too; finding | |
888 | TLS is an ABI-specific thing. But we don't do that yet. */ | |
889 | else | |
890 | error (_("Cannot find thread-local variables on this target")); | |
891 | ||
892 | return addr; | |
893 | } | |
894 | ||
c906108c SS |
895 | #undef MIN |
896 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
897 | ||
898 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
899 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
900 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
901 | is responsible for freeing it. Return the number of bytes successfully | |
902 | read. */ | |
903 | ||
904 | int | |
fba45db2 | 905 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
906 | { |
907 | int tlen, origlen, offset, i; | |
1b0ba102 | 908 | gdb_byte buf[4]; |
c906108c SS |
909 | int errcode = 0; |
910 | char *buffer; | |
911 | int buffer_allocated; | |
912 | char *bufptr; | |
913 | unsigned int nbytes_read = 0; | |
914 | ||
6217bf3e MS |
915 | gdb_assert (string); |
916 | ||
c906108c SS |
917 | /* Small for testing. */ |
918 | buffer_allocated = 4; | |
919 | buffer = xmalloc (buffer_allocated); | |
920 | bufptr = buffer; | |
921 | ||
922 | origlen = len; | |
923 | ||
924 | while (len > 0) | |
925 | { | |
926 | tlen = MIN (len, 4 - (memaddr & 3)); | |
927 | offset = memaddr & 3; | |
928 | ||
1b0ba102 | 929 | errcode = target_read_memory (memaddr & ~3, buf, sizeof buf); |
c906108c SS |
930 | if (errcode != 0) |
931 | { | |
932 | /* The transfer request might have crossed the boundary to an | |
933 | unallocated region of memory. Retry the transfer, requesting | |
934 | a single byte. */ | |
935 | tlen = 1; | |
936 | offset = 0; | |
b8eb5af0 | 937 | errcode = target_read_memory (memaddr, buf, 1); |
c906108c SS |
938 | if (errcode != 0) |
939 | goto done; | |
940 | } | |
941 | ||
942 | if (bufptr - buffer + tlen > buffer_allocated) | |
943 | { | |
944 | unsigned int bytes; | |
945 | bytes = bufptr - buffer; | |
946 | buffer_allocated *= 2; | |
947 | buffer = xrealloc (buffer, buffer_allocated); | |
948 | bufptr = buffer + bytes; | |
949 | } | |
950 | ||
951 | for (i = 0; i < tlen; i++) | |
952 | { | |
953 | *bufptr++ = buf[i + offset]; | |
954 | if (buf[i + offset] == '\000') | |
955 | { | |
956 | nbytes_read += i + 1; | |
957 | goto done; | |
958 | } | |
959 | } | |
960 | ||
961 | memaddr += tlen; | |
962 | len -= tlen; | |
963 | nbytes_read += tlen; | |
964 | } | |
c5aa993b | 965 | done: |
6217bf3e | 966 | *string = buffer; |
c906108c SS |
967 | if (errnop != NULL) |
968 | *errnop = errcode; | |
c906108c SS |
969 | return nbytes_read; |
970 | } | |
971 | ||
8db32d44 AC |
972 | /* Find a section containing ADDR. */ |
973 | struct section_table * | |
974 | target_section_by_addr (struct target_ops *target, CORE_ADDR addr) | |
975 | { | |
976 | struct section_table *secp; | |
977 | for (secp = target->to_sections; | |
978 | secp < target->to_sections_end; | |
979 | secp++) | |
980 | { | |
981 | if (addr >= secp->addr && addr < secp->endaddr) | |
982 | return secp; | |
983 | } | |
984 | return NULL; | |
985 | } | |
986 | ||
cf7a04e8 DJ |
987 | /* Perform a partial memory transfer. The arguments and return |
988 | value are just as for target_xfer_partial. */ | |
989 | ||
990 | static LONGEST | |
991 | memory_xfer_partial (struct target_ops *ops, void *readbuf, const void *writebuf, | |
992 | ULONGEST memaddr, LONGEST len) | |
0779438d | 993 | { |
cf7a04e8 DJ |
994 | LONGEST res; |
995 | int reg_len; | |
996 | struct mem_region *region; | |
997 | ||
998 | /* Zero length requests are ok and require no work. */ | |
999 | if (len == 0) | |
1000 | return 0; | |
1001 | ||
1002 | /* Try the executable file, if "trust-readonly-sections" is set. */ | |
1003 | if (readbuf != NULL && trust_readonly) | |
1004 | { | |
1005 | struct section_table *secp; | |
1006 | ||
1007 | secp = target_section_by_addr (ops, memaddr); | |
1008 | if (secp != NULL | |
1009 | && (bfd_get_section_flags (secp->bfd, secp->the_bfd_section) | |
1010 | & SEC_READONLY)) | |
1011 | return xfer_memory (memaddr, readbuf, len, 0, NULL, ops); | |
1012 | } | |
1013 | ||
98646950 UW |
1014 | /* Likewise for accesses to unmapped overlay sections. */ |
1015 | if (readbuf != NULL && overlay_debugging) | |
1016 | { | |
1017 | asection *section = find_pc_overlay (memaddr); | |
1018 | if (pc_in_unmapped_range (memaddr, section)) | |
1019 | return xfer_memory (memaddr, readbuf, len, 0, NULL, ops); | |
1020 | } | |
1021 | ||
cf7a04e8 DJ |
1022 | /* Try GDB's internal data cache. */ |
1023 | region = lookup_mem_region (memaddr); | |
4b5752d0 VP |
1024 | /* region->hi == 0 means there's no upper bound. */ |
1025 | if (memaddr + len < region->hi || region->hi == 0) | |
cf7a04e8 DJ |
1026 | reg_len = len; |
1027 | else | |
1028 | reg_len = region->hi - memaddr; | |
1029 | ||
1030 | switch (region->attrib.mode) | |
1031 | { | |
1032 | case MEM_RO: | |
1033 | if (writebuf != NULL) | |
1034 | return -1; | |
1035 | break; | |
1036 | ||
1037 | case MEM_WO: | |
1038 | if (readbuf != NULL) | |
1039 | return -1; | |
1040 | break; | |
a76d924d DJ |
1041 | |
1042 | case MEM_FLASH: | |
1043 | /* We only support writing to flash during "load" for now. */ | |
1044 | if (writebuf != NULL) | |
1045 | error (_("Writing to flash memory forbidden in this context")); | |
1046 | break; | |
4b5752d0 VP |
1047 | |
1048 | case MEM_NONE: | |
1049 | return -1; | |
cf7a04e8 DJ |
1050 | } |
1051 | ||
1052 | if (region->attrib.cache) | |
1053 | { | |
1054 | /* FIXME drow/2006-08-09: This call discards OPS, so the raw | |
1055 | memory request will start back at current_target. */ | |
1056 | if (readbuf != NULL) | |
1057 | res = dcache_xfer_memory (target_dcache, memaddr, readbuf, | |
1058 | reg_len, 0); | |
1059 | else | |
1060 | /* FIXME drow/2006-08-09: If we're going to preserve const | |
1061 | correctness dcache_xfer_memory should take readbuf and | |
1062 | writebuf. */ | |
1063 | res = dcache_xfer_memory (target_dcache, memaddr, | |
1064 | (void *) writebuf, | |
1065 | reg_len, 1); | |
1066 | if (res <= 0) | |
1067 | return -1; | |
1068 | else | |
8defab1a DJ |
1069 | { |
1070 | if (readbuf && !show_memory_breakpoints) | |
1071 | breakpoint_restore_shadows (readbuf, memaddr, reg_len); | |
1072 | return res; | |
1073 | } | |
cf7a04e8 DJ |
1074 | } |
1075 | ||
1076 | /* If none of those methods found the memory we wanted, fall back | |
1077 | to a target partial transfer. Normally a single call to | |
1078 | to_xfer_partial is enough; if it doesn't recognize an object | |
1079 | it will call the to_xfer_partial of the next target down. | |
1080 | But for memory this won't do. Memory is the only target | |
1081 | object which can be read from more than one valid target. | |
1082 | A core file, for instance, could have some of memory but | |
1083 | delegate other bits to the target below it. So, we must | |
1084 | manually try all targets. */ | |
1085 | ||
1086 | do | |
1087 | { | |
1088 | res = ops->to_xfer_partial (ops, TARGET_OBJECT_MEMORY, NULL, | |
4b5752d0 | 1089 | readbuf, writebuf, memaddr, reg_len); |
cf7a04e8 | 1090 | if (res > 0) |
8defab1a | 1091 | break; |
cf7a04e8 | 1092 | |
5ad3a4ca DJ |
1093 | /* We want to continue past core files to executables, but not |
1094 | past a running target's memory. */ | |
1095 | if (ops->to_has_all_memory) | |
8defab1a | 1096 | break; |
5ad3a4ca | 1097 | |
cf7a04e8 DJ |
1098 | ops = ops->beneath; |
1099 | } | |
1100 | while (ops != NULL); | |
1101 | ||
8defab1a DJ |
1102 | if (readbuf && !show_memory_breakpoints) |
1103 | breakpoint_restore_shadows (readbuf, memaddr, reg_len); | |
1104 | ||
cf7a04e8 DJ |
1105 | /* If we still haven't got anything, return the last error. We |
1106 | give up. */ | |
1107 | return res; | |
0779438d AC |
1108 | } |
1109 | ||
8defab1a DJ |
1110 | static void |
1111 | restore_show_memory_breakpoints (void *arg) | |
1112 | { | |
1113 | show_memory_breakpoints = (uintptr_t) arg; | |
1114 | } | |
1115 | ||
1116 | struct cleanup * | |
1117 | make_show_memory_breakpoints_cleanup (int show) | |
1118 | { | |
1119 | int current = show_memory_breakpoints; | |
1120 | show_memory_breakpoints = show; | |
1121 | ||
1122 | return make_cleanup (restore_show_memory_breakpoints, | |
1123 | (void *) (uintptr_t) current); | |
1124 | } | |
1125 | ||
27394598 AC |
1126 | static LONGEST |
1127 | target_xfer_partial (struct target_ops *ops, | |
1128 | enum target_object object, const char *annex, | |
1129 | void *readbuf, const void *writebuf, | |
1130 | ULONGEST offset, LONGEST len) | |
1131 | { | |
1132 | LONGEST retval; | |
1133 | ||
1134 | gdb_assert (ops->to_xfer_partial != NULL); | |
cf7a04e8 DJ |
1135 | |
1136 | /* If this is a memory transfer, let the memory-specific code | |
1137 | have a look at it instead. Memory transfers are more | |
1138 | complicated. */ | |
1139 | if (object == TARGET_OBJECT_MEMORY) | |
1140 | retval = memory_xfer_partial (ops, readbuf, writebuf, offset, len); | |
1141 | else | |
1142 | { | |
1143 | enum target_object raw_object = object; | |
1144 | ||
1145 | /* If this is a raw memory transfer, request the normal | |
1146 | memory object from other layers. */ | |
1147 | if (raw_object == TARGET_OBJECT_RAW_MEMORY) | |
1148 | raw_object = TARGET_OBJECT_MEMORY; | |
1149 | ||
1150 | retval = ops->to_xfer_partial (ops, raw_object, annex, readbuf, | |
1151 | writebuf, offset, len); | |
1152 | } | |
1153 | ||
27394598 AC |
1154 | if (targetdebug) |
1155 | { | |
1156 | const unsigned char *myaddr = NULL; | |
1157 | ||
1158 | fprintf_unfiltered (gdb_stdlog, | |
1159 | "%s:target_xfer_partial (%d, %s, 0x%lx, 0x%lx, 0x%s, %s) = %s", | |
1160 | ops->to_shortname, | |
1161 | (int) object, | |
1162 | (annex ? annex : "(null)"), | |
1163 | (long) readbuf, (long) writebuf, | |
1164 | paddr_nz (offset), paddr_d (len), paddr_d (retval)); | |
1165 | ||
1166 | if (readbuf) | |
1167 | myaddr = readbuf; | |
1168 | if (writebuf) | |
1169 | myaddr = writebuf; | |
1170 | if (retval > 0 && myaddr != NULL) | |
1171 | { | |
1172 | int i; | |
2bc416ba | 1173 | |
27394598 AC |
1174 | fputs_unfiltered (", bytes =", gdb_stdlog); |
1175 | for (i = 0; i < retval; i++) | |
1176 | { | |
1177 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
1178 | { | |
1179 | if (targetdebug < 2 && i > 0) | |
1180 | { | |
1181 | fprintf_unfiltered (gdb_stdlog, " ..."); | |
1182 | break; | |
1183 | } | |
1184 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
1185 | } | |
2bc416ba | 1186 | |
27394598 AC |
1187 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); |
1188 | } | |
1189 | } | |
2bc416ba | 1190 | |
27394598 AC |
1191 | fputc_unfiltered ('\n', gdb_stdlog); |
1192 | } | |
1193 | return retval; | |
1194 | } | |
1195 | ||
c906108c SS |
1196 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in |
1197 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
1198 | if any error occurs. | |
1199 | ||
1200 | If an error occurs, no guarantee is made about the contents of the data at | |
1201 | MYADDR. In particular, the caller should not depend upon partial reads | |
1202 | filling the buffer with good data. There is no way for the caller to know | |
1203 | how much good data might have been transfered anyway. Callers that can | |
cf7a04e8 DJ |
1204 | deal with partial reads should call target_read (which will retry until |
1205 | it makes no progress, and then return how much was transferred). */ | |
c906108c SS |
1206 | |
1207 | int | |
fc1a4b47 | 1208 | target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len) |
c906108c | 1209 | { |
cf7a04e8 DJ |
1210 | if (target_read (¤t_target, TARGET_OBJECT_MEMORY, NULL, |
1211 | myaddr, memaddr, len) == len) | |
1212 | return 0; | |
0779438d | 1213 | else |
cf7a04e8 | 1214 | return EIO; |
c906108c SS |
1215 | } |
1216 | ||
c906108c | 1217 | int |
fc1a4b47 | 1218 | target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len) |
c906108c | 1219 | { |
cf7a04e8 DJ |
1220 | if (target_write (¤t_target, TARGET_OBJECT_MEMORY, NULL, |
1221 | myaddr, memaddr, len) == len) | |
1222 | return 0; | |
0779438d | 1223 | else |
cf7a04e8 | 1224 | return EIO; |
c906108c | 1225 | } |
c5aa993b | 1226 | |
fd79ecee DJ |
1227 | /* Fetch the target's memory map. */ |
1228 | ||
1229 | VEC(mem_region_s) * | |
1230 | target_memory_map (void) | |
1231 | { | |
1232 | VEC(mem_region_s) *result; | |
1233 | struct mem_region *last_one, *this_one; | |
1234 | int ix; | |
1235 | struct target_ops *t; | |
1236 | ||
1237 | if (targetdebug) | |
1238 | fprintf_unfiltered (gdb_stdlog, "target_memory_map ()\n"); | |
1239 | ||
1240 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1241 | if (t->to_memory_map != NULL) | |
1242 | break; | |
1243 | ||
1244 | if (t == NULL) | |
1245 | return NULL; | |
1246 | ||
1247 | result = t->to_memory_map (t); | |
1248 | if (result == NULL) | |
1249 | return NULL; | |
1250 | ||
1251 | qsort (VEC_address (mem_region_s, result), | |
1252 | VEC_length (mem_region_s, result), | |
1253 | sizeof (struct mem_region), mem_region_cmp); | |
1254 | ||
1255 | /* Check that regions do not overlap. Simultaneously assign | |
1256 | a numbering for the "mem" commands to use to refer to | |
1257 | each region. */ | |
1258 | last_one = NULL; | |
1259 | for (ix = 0; VEC_iterate (mem_region_s, result, ix, this_one); ix++) | |
1260 | { | |
1261 | this_one->number = ix; | |
1262 | ||
1263 | if (last_one && last_one->hi > this_one->lo) | |
1264 | { | |
1265 | warning (_("Overlapping regions in memory map: ignoring")); | |
1266 | VEC_free (mem_region_s, result); | |
1267 | return NULL; | |
1268 | } | |
1269 | last_one = this_one; | |
1270 | } | |
1271 | ||
1272 | return result; | |
1273 | } | |
1274 | ||
a76d924d DJ |
1275 | void |
1276 | target_flash_erase (ULONGEST address, LONGEST length) | |
1277 | { | |
1278 | struct target_ops *t; | |
1279 | ||
1280 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1281 | if (t->to_flash_erase != NULL) | |
1282 | { | |
1283 | if (targetdebug) | |
1284 | fprintf_unfiltered (gdb_stdlog, "target_flash_erase (%s, %s)\n", | |
1285 | paddr (address), phex (length, 0)); | |
8944021f DJ |
1286 | t->to_flash_erase (t, address, length); |
1287 | return; | |
a76d924d DJ |
1288 | } |
1289 | ||
1290 | tcomplain (); | |
1291 | } | |
1292 | ||
1293 | void | |
1294 | target_flash_done (void) | |
1295 | { | |
1296 | struct target_ops *t; | |
1297 | ||
1298 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1299 | if (t->to_flash_done != NULL) | |
1300 | { | |
1301 | if (targetdebug) | |
1302 | fprintf_unfiltered (gdb_stdlog, "target_flash_done\n"); | |
8944021f DJ |
1303 | t->to_flash_done (t); |
1304 | return; | |
a76d924d DJ |
1305 | } |
1306 | ||
1307 | tcomplain (); | |
1308 | } | |
1309 | ||
4aa7a7f5 JJ |
1310 | #ifndef target_stopped_data_address_p |
1311 | int | |
1312 | target_stopped_data_address_p (struct target_ops *target) | |
1313 | { | |
aa869812 AC |
1314 | if (target->to_stopped_data_address |
1315 | == (int (*) (struct target_ops *, CORE_ADDR *)) return_zero) | |
4aa7a7f5 | 1316 | return 0; |
aa869812 AC |
1317 | if (target->to_stopped_data_address == debug_to_stopped_data_address |
1318 | && (debug_target.to_stopped_data_address | |
1319 | == (int (*) (struct target_ops *, CORE_ADDR *)) return_zero)) | |
1320 | return 0; | |
1321 | return 1; | |
4aa7a7f5 JJ |
1322 | } |
1323 | #endif | |
1324 | ||
920d2a44 AC |
1325 | static void |
1326 | show_trust_readonly (struct ui_file *file, int from_tty, | |
1327 | struct cmd_list_element *c, const char *value) | |
1328 | { | |
1329 | fprintf_filtered (file, _("\ | |
1330 | Mode for reading from readonly sections is %s.\n"), | |
1331 | value); | |
1332 | } | |
3a11626d | 1333 | |
1e3ff5ad AC |
1334 | /* More generic transfers. */ |
1335 | ||
0088c768 | 1336 | static LONGEST |
8aa91c1e | 1337 | default_xfer_partial (struct target_ops *ops, enum target_object object, |
2bc416ba | 1338 | const char *annex, gdb_byte *readbuf, |
1b0ba102 | 1339 | const gdb_byte *writebuf, ULONGEST offset, LONGEST len) |
0088c768 AC |
1340 | { |
1341 | if (object == TARGET_OBJECT_MEMORY | |
c8e73a31 AC |
1342 | && ops->deprecated_xfer_memory != NULL) |
1343 | /* If available, fall back to the target's | |
1344 | "deprecated_xfer_memory" method. */ | |
0088c768 | 1345 | { |
4b8a223f | 1346 | int xfered = -1; |
0088c768 | 1347 | errno = 0; |
4b8a223f AC |
1348 | if (writebuf != NULL) |
1349 | { | |
1350 | void *buffer = xmalloc (len); | |
1351 | struct cleanup *cleanup = make_cleanup (xfree, buffer); | |
1352 | memcpy (buffer, writebuf, len); | |
c8e73a31 AC |
1353 | xfered = ops->deprecated_xfer_memory (offset, buffer, len, |
1354 | 1/*write*/, NULL, ops); | |
4b8a223f AC |
1355 | do_cleanups (cleanup); |
1356 | } | |
1357 | if (readbuf != NULL) | |
244e85c8 MS |
1358 | xfered = ops->deprecated_xfer_memory (offset, readbuf, len, |
1359 | 0/*read*/, NULL, ops); | |
0088c768 AC |
1360 | if (xfered > 0) |
1361 | return xfered; | |
1362 | else if (xfered == 0 && errno == 0) | |
c8e73a31 AC |
1363 | /* "deprecated_xfer_memory" uses 0, cross checked against |
1364 | ERRNO as one indication of an error. */ | |
0088c768 AC |
1365 | return 0; |
1366 | else | |
1367 | return -1; | |
1368 | } | |
1369 | else if (ops->beneath != NULL) | |
cf7a04e8 DJ |
1370 | return ops->beneath->to_xfer_partial (ops->beneath, object, annex, |
1371 | readbuf, writebuf, offset, len); | |
1372 | else | |
1373 | return -1; | |
1374 | } | |
1375 | ||
1376 | /* The xfer_partial handler for the topmost target. Unlike the default, | |
1377 | it does not need to handle memory specially; it just passes all | |
1378 | requests down the stack. */ | |
1379 | ||
1380 | static LONGEST | |
1381 | current_xfer_partial (struct target_ops *ops, enum target_object object, | |
1382 | const char *annex, gdb_byte *readbuf, | |
1383 | const gdb_byte *writebuf, ULONGEST offset, LONGEST len) | |
1384 | { | |
1385 | if (ops->beneath != NULL) | |
1386 | return ops->beneath->to_xfer_partial (ops->beneath, object, annex, | |
1387 | readbuf, writebuf, offset, len); | |
0088c768 AC |
1388 | else |
1389 | return -1; | |
1390 | } | |
1391 | ||
1392 | /* Target vector read/write partial wrapper functions. | |
1393 | ||
1394 | NOTE: cagney/2003-10-21: I wonder if having "to_xfer_partial | |
1395 | (inbuf, outbuf)", instead of separate read/write methods, make life | |
1396 | easier. */ | |
1397 | ||
13547ab6 | 1398 | static LONGEST |
1e3ff5ad AC |
1399 | target_read_partial (struct target_ops *ops, |
1400 | enum target_object object, | |
1b0ba102 | 1401 | const char *annex, gdb_byte *buf, |
1e3ff5ad AC |
1402 | ULONGEST offset, LONGEST len) |
1403 | { | |
27394598 | 1404 | return target_xfer_partial (ops, object, annex, buf, NULL, offset, len); |
1e3ff5ad AC |
1405 | } |
1406 | ||
13547ab6 | 1407 | static LONGEST |
1e3ff5ad AC |
1408 | target_write_partial (struct target_ops *ops, |
1409 | enum target_object object, | |
1b0ba102 | 1410 | const char *annex, const gdb_byte *buf, |
1e3ff5ad AC |
1411 | ULONGEST offset, LONGEST len) |
1412 | { | |
27394598 | 1413 | return target_xfer_partial (ops, object, annex, NULL, buf, offset, len); |
1e3ff5ad AC |
1414 | } |
1415 | ||
1416 | /* Wrappers to perform the full transfer. */ | |
1417 | LONGEST | |
1418 | target_read (struct target_ops *ops, | |
1419 | enum target_object object, | |
1b0ba102 | 1420 | const char *annex, gdb_byte *buf, |
1e3ff5ad AC |
1421 | ULONGEST offset, LONGEST len) |
1422 | { | |
1423 | LONGEST xfered = 0; | |
1424 | while (xfered < len) | |
1425 | { | |
0088c768 | 1426 | LONGEST xfer = target_read_partial (ops, object, annex, |
fc1a4b47 | 1427 | (gdb_byte *) buf + xfered, |
0088c768 | 1428 | offset + xfered, len - xfered); |
1e3ff5ad | 1429 | /* Call an observer, notifying them of the xfer progress? */ |
13547ab6 DJ |
1430 | if (xfer == 0) |
1431 | return xfered; | |
1432 | if (xfer < 0) | |
0088c768 | 1433 | return -1; |
1e3ff5ad AC |
1434 | xfered += xfer; |
1435 | QUIT; | |
1436 | } | |
1437 | return len; | |
1438 | } | |
1439 | ||
cf7a04e8 DJ |
1440 | /* An alternative to target_write with progress callbacks. */ |
1441 | ||
1e3ff5ad | 1442 | LONGEST |
cf7a04e8 DJ |
1443 | target_write_with_progress (struct target_ops *ops, |
1444 | enum target_object object, | |
1445 | const char *annex, const gdb_byte *buf, | |
1446 | ULONGEST offset, LONGEST len, | |
1447 | void (*progress) (ULONGEST, void *), void *baton) | |
1e3ff5ad AC |
1448 | { |
1449 | LONGEST xfered = 0; | |
a76d924d DJ |
1450 | |
1451 | /* Give the progress callback a chance to set up. */ | |
1452 | if (progress) | |
1453 | (*progress) (0, baton); | |
1454 | ||
1e3ff5ad AC |
1455 | while (xfered < len) |
1456 | { | |
1457 | LONGEST xfer = target_write_partial (ops, object, annex, | |
fc1a4b47 | 1458 | (gdb_byte *) buf + xfered, |
1e3ff5ad | 1459 | offset + xfered, len - xfered); |
cf7a04e8 | 1460 | |
13547ab6 DJ |
1461 | if (xfer == 0) |
1462 | return xfered; | |
1463 | if (xfer < 0) | |
0088c768 | 1464 | return -1; |
cf7a04e8 DJ |
1465 | |
1466 | if (progress) | |
1467 | (*progress) (xfer, baton); | |
1468 | ||
1e3ff5ad AC |
1469 | xfered += xfer; |
1470 | QUIT; | |
1471 | } | |
1472 | return len; | |
1473 | } | |
1474 | ||
cf7a04e8 DJ |
1475 | LONGEST |
1476 | target_write (struct target_ops *ops, | |
1477 | enum target_object object, | |
1478 | const char *annex, const gdb_byte *buf, | |
1479 | ULONGEST offset, LONGEST len) | |
1480 | { | |
1481 | return target_write_with_progress (ops, object, annex, buf, offset, len, | |
1482 | NULL, NULL); | |
1483 | } | |
1484 | ||
159f81f3 DJ |
1485 | /* Read OBJECT/ANNEX using OPS. Store the result in *BUF_P and return |
1486 | the size of the transferred data. PADDING additional bytes are | |
1487 | available in *BUF_P. This is a helper function for | |
1488 | target_read_alloc; see the declaration of that function for more | |
1489 | information. */ | |
13547ab6 | 1490 | |
159f81f3 DJ |
1491 | static LONGEST |
1492 | target_read_alloc_1 (struct target_ops *ops, enum target_object object, | |
1493 | const char *annex, gdb_byte **buf_p, int padding) | |
13547ab6 DJ |
1494 | { |
1495 | size_t buf_alloc, buf_pos; | |
1496 | gdb_byte *buf; | |
1497 | LONGEST n; | |
1498 | ||
1499 | /* This function does not have a length parameter; it reads the | |
1500 | entire OBJECT). Also, it doesn't support objects fetched partly | |
1501 | from one target and partly from another (in a different stratum, | |
1502 | e.g. a core file and an executable). Both reasons make it | |
1503 | unsuitable for reading memory. */ | |
1504 | gdb_assert (object != TARGET_OBJECT_MEMORY); | |
1505 | ||
1506 | /* Start by reading up to 4K at a time. The target will throttle | |
1507 | this number down if necessary. */ | |
1508 | buf_alloc = 4096; | |
1509 | buf = xmalloc (buf_alloc); | |
1510 | buf_pos = 0; | |
1511 | while (1) | |
1512 | { | |
1513 | n = target_read_partial (ops, object, annex, &buf[buf_pos], | |
159f81f3 | 1514 | buf_pos, buf_alloc - buf_pos - padding); |
13547ab6 DJ |
1515 | if (n < 0) |
1516 | { | |
1517 | /* An error occurred. */ | |
1518 | xfree (buf); | |
1519 | return -1; | |
1520 | } | |
1521 | else if (n == 0) | |
1522 | { | |
1523 | /* Read all there was. */ | |
1524 | if (buf_pos == 0) | |
1525 | xfree (buf); | |
1526 | else | |
1527 | *buf_p = buf; | |
1528 | return buf_pos; | |
1529 | } | |
1530 | ||
1531 | buf_pos += n; | |
1532 | ||
1533 | /* If the buffer is filling up, expand it. */ | |
1534 | if (buf_alloc < buf_pos * 2) | |
1535 | { | |
1536 | buf_alloc *= 2; | |
1537 | buf = xrealloc (buf, buf_alloc); | |
1538 | } | |
1539 | ||
1540 | QUIT; | |
1541 | } | |
1542 | } | |
1543 | ||
159f81f3 DJ |
1544 | /* Read OBJECT/ANNEX using OPS. Store the result in *BUF_P and return |
1545 | the size of the transferred data. See the declaration in "target.h" | |
1546 | function for more information about the return value. */ | |
1547 | ||
1548 | LONGEST | |
1549 | target_read_alloc (struct target_ops *ops, enum target_object object, | |
1550 | const char *annex, gdb_byte **buf_p) | |
1551 | { | |
1552 | return target_read_alloc_1 (ops, object, annex, buf_p, 0); | |
1553 | } | |
1554 | ||
1555 | /* Read OBJECT/ANNEX using OPS. The result is NUL-terminated and | |
1556 | returned as a string, allocated using xmalloc. If an error occurs | |
1557 | or the transfer is unsupported, NULL is returned. Empty objects | |
1558 | are returned as allocated but empty strings. A warning is issued | |
1559 | if the result contains any embedded NUL bytes. */ | |
1560 | ||
1561 | char * | |
1562 | target_read_stralloc (struct target_ops *ops, enum target_object object, | |
1563 | const char *annex) | |
1564 | { | |
1565 | gdb_byte *buffer; | |
1566 | LONGEST transferred; | |
1567 | ||
1568 | transferred = target_read_alloc_1 (ops, object, annex, &buffer, 1); | |
1569 | ||
1570 | if (transferred < 0) | |
1571 | return NULL; | |
1572 | ||
1573 | if (transferred == 0) | |
1574 | return xstrdup (""); | |
1575 | ||
1576 | buffer[transferred] = 0; | |
1577 | if (strlen (buffer) < transferred) | |
1578 | warning (_("target object %d, annex %s, " | |
1579 | "contained unexpected null characters"), | |
1580 | (int) object, annex ? annex : "(none)"); | |
1581 | ||
1582 | return (char *) buffer; | |
1583 | } | |
1584 | ||
b6591e8b AC |
1585 | /* Memory transfer methods. */ |
1586 | ||
1587 | void | |
1b0ba102 | 1588 | get_target_memory (struct target_ops *ops, CORE_ADDR addr, gdb_byte *buf, |
b6591e8b AC |
1589 | LONGEST len) |
1590 | { | |
1591 | if (target_read (ops, TARGET_OBJECT_MEMORY, NULL, buf, addr, len) | |
1592 | != len) | |
1593 | memory_error (EIO, addr); | |
1594 | } | |
1595 | ||
1596 | ULONGEST | |
1597 | get_target_memory_unsigned (struct target_ops *ops, | |
1598 | CORE_ADDR addr, int len) | |
1599 | { | |
f6519ebc | 1600 | gdb_byte buf[sizeof (ULONGEST)]; |
b6591e8b AC |
1601 | |
1602 | gdb_assert (len <= sizeof (buf)); | |
1603 | get_target_memory (ops, addr, buf, len); | |
1604 | return extract_unsigned_integer (buf, len); | |
1605 | } | |
1606 | ||
c906108c | 1607 | static void |
fba45db2 | 1608 | target_info (char *args, int from_tty) |
c906108c SS |
1609 | { |
1610 | struct target_ops *t; | |
c906108c | 1611 | int has_all_mem = 0; |
c5aa993b | 1612 | |
c906108c | 1613 | if (symfile_objfile != NULL) |
a3f17187 | 1614 | printf_unfiltered (_("Symbols from \"%s\".\n"), symfile_objfile->name); |
c906108c | 1615 | |
258b763a | 1616 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 1617 | { |
c906108c SS |
1618 | if (!t->to_has_memory) |
1619 | continue; | |
1620 | ||
c5aa993b | 1621 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1622 | continue; |
1623 | if (has_all_mem) | |
a3f17187 | 1624 | printf_unfiltered (_("\tWhile running this, GDB does not access memory from...\n")); |
c5aa993b JM |
1625 | printf_unfiltered ("%s:\n", t->to_longname); |
1626 | (t->to_files_info) (t); | |
c906108c SS |
1627 | has_all_mem = t->to_has_all_memory; |
1628 | } | |
1629 | } | |
1630 | ||
fd79ecee DJ |
1631 | /* This function is called before any new inferior is created, e.g. |
1632 | by running a program, attaching, or connecting to a target. | |
1633 | It cleans up any state from previous invocations which might | |
1634 | change between runs. This is a subset of what target_preopen | |
1635 | resets (things which might change between targets). */ | |
1636 | ||
1637 | void | |
1638 | target_pre_inferior (int from_tty) | |
1639 | { | |
1640 | invalidate_target_mem_regions (); | |
424163ea DJ |
1641 | |
1642 | target_clear_description (); | |
fd79ecee DJ |
1643 | } |
1644 | ||
c906108c SS |
1645 | /* This is to be called by the open routine before it does |
1646 | anything. */ | |
1647 | ||
1648 | void | |
fba45db2 | 1649 | target_preopen (int from_tty) |
c906108c | 1650 | { |
c5aa993b | 1651 | dont_repeat (); |
c906108c SS |
1652 | |
1653 | if (target_has_execution) | |
c5aa993b | 1654 | { |
adf40b2e | 1655 | if (!from_tty |
e2e0b3e5 | 1656 | || query (_("A program is being debugged already. Kill it? "))) |
c5aa993b | 1657 | target_kill (); |
c906108c | 1658 | else |
8a3fe4f8 | 1659 | error (_("Program not killed.")); |
c906108c SS |
1660 | } |
1661 | ||
1662 | /* Calling target_kill may remove the target from the stack. But if | |
1663 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1664 | ||
1665 | if (target_has_execution) | |
1666 | pop_target (); | |
fd79ecee DJ |
1667 | |
1668 | target_pre_inferior (from_tty); | |
c906108c SS |
1669 | } |
1670 | ||
1671 | /* Detach a target after doing deferred register stores. */ | |
1672 | ||
1673 | void | |
fba45db2 | 1674 | target_detach (char *args, int from_tty) |
c906108c | 1675 | { |
c906108c SS |
1676 | (current_target.to_detach) (args, from_tty); |
1677 | } | |
1678 | ||
6ad8ae5c DJ |
1679 | void |
1680 | target_disconnect (char *args, int from_tty) | |
1681 | { | |
597320e7 DJ |
1682 | struct target_ops *t; |
1683 | ||
1684 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1685 | if (t->to_disconnect != NULL) | |
1686 | { | |
1687 | if (targetdebug) | |
1688 | fprintf_unfiltered (gdb_stdlog, "target_disconnect (%s, %d)\n", | |
1689 | args, from_tty); | |
1690 | t->to_disconnect (t, args, from_tty); | |
1691 | return; | |
1692 | } | |
1693 | ||
1694 | tcomplain (); | |
6ad8ae5c DJ |
1695 | } |
1696 | ||
ed9a39eb JM |
1697 | int |
1698 | target_async_mask (int mask) | |
1699 | { | |
1700 | int saved_async_masked_status = target_async_mask_value; | |
1701 | target_async_mask_value = mask; | |
1702 | return saved_async_masked_status; | |
1703 | } | |
1704 | ||
ee057212 DJ |
1705 | /* Look through the list of possible targets for a target that can |
1706 | follow forks. */ | |
1707 | ||
1708 | int | |
1709 | target_follow_fork (int follow_child) | |
1710 | { | |
1711 | struct target_ops *t; | |
1712 | ||
1713 | for (t = current_target.beneath; t != NULL; t = t->beneath) | |
1714 | { | |
1715 | if (t->to_follow_fork != NULL) | |
1716 | { | |
1717 | int retval = t->to_follow_fork (t, follow_child); | |
1718 | if (targetdebug) | |
1719 | fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n", | |
1720 | follow_child, retval); | |
1721 | return retval; | |
1722 | } | |
1723 | } | |
1724 | ||
1725 | /* Some target returned a fork event, but did not know how to follow it. */ | |
1726 | internal_error (__FILE__, __LINE__, | |
1727 | "could not find a target to follow fork"); | |
1728 | } | |
1729 | ||
424163ea DJ |
1730 | /* Look for a target which can describe architectural features, starting |
1731 | from TARGET. If we find one, return its description. */ | |
1732 | ||
1733 | const struct target_desc * | |
1734 | target_read_description (struct target_ops *target) | |
1735 | { | |
1736 | struct target_ops *t; | |
1737 | ||
1738 | for (t = target; t != NULL; t = t->beneath) | |
1739 | if (t->to_read_description != NULL) | |
1740 | { | |
1741 | const struct target_desc *tdesc; | |
1742 | ||
1743 | tdesc = t->to_read_description (t); | |
1744 | if (tdesc) | |
1745 | return tdesc; | |
1746 | } | |
1747 | ||
1748 | return NULL; | |
1749 | } | |
1750 | ||
8edfe269 DJ |
1751 | /* Look through the currently pushed targets. If none of them will |
1752 | be able to restart the currently running process, issue an error | |
1753 | message. */ | |
1754 | ||
1755 | void | |
1756 | target_require_runnable (void) | |
1757 | { | |
1758 | struct target_ops *t; | |
1759 | ||
1760 | for (t = target_stack; t != NULL; t = t->beneath) | |
1761 | { | |
1762 | /* If this target knows how to create a new program, then | |
1763 | assume we will still be able to after killing the current | |
1764 | one. Either killing and mourning will not pop T, or else | |
1765 | find_default_run_target will find it again. */ | |
1766 | if (t->to_create_inferior != NULL) | |
1767 | return; | |
1768 | ||
1769 | /* Do not worry about thread_stratum targets that can not | |
1770 | create inferiors. Assume they will be pushed again if | |
1771 | necessary, and continue to the process_stratum. */ | |
1772 | if (t->to_stratum == thread_stratum) | |
1773 | continue; | |
1774 | ||
1775 | error (_("\ | |
1776 | The \"%s\" target does not support \"run\". Try \"help target\" or \"continue\"."), | |
1777 | t->to_shortname); | |
1778 | } | |
1779 | ||
1780 | /* This function is only called if the target is running. In that | |
1781 | case there should have been a process_stratum target and it | |
1782 | should either know how to create inferiors, or not... */ | |
1783 | internal_error (__FILE__, __LINE__, "No targets found"); | |
1784 | } | |
1785 | ||
c906108c SS |
1786 | /* Look through the list of possible targets for a target that can |
1787 | execute a run or attach command without any other data. This is | |
1788 | used to locate the default process stratum. | |
1789 | ||
1790 | Result is always valid (error() is called for errors). */ | |
1791 | ||
1792 | static struct target_ops * | |
fba45db2 | 1793 | find_default_run_target (char *do_mesg) |
c906108c SS |
1794 | { |
1795 | struct target_ops **t; | |
1796 | struct target_ops *runable = NULL; | |
1797 | int count; | |
1798 | ||
1799 | count = 0; | |
1800 | ||
1801 | for (t = target_structs; t < target_structs + target_struct_size; | |
1802 | ++t) | |
1803 | { | |
c5aa993b | 1804 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1805 | { |
1806 | runable = *t; | |
1807 | ++count; | |
1808 | } | |
1809 | } | |
1810 | ||
1811 | if (count != 1) | |
8a3fe4f8 | 1812 | error (_("Don't know how to %s. Try \"help target\"."), do_mesg); |
c906108c SS |
1813 | |
1814 | return runable; | |
1815 | } | |
1816 | ||
1817 | void | |
fba45db2 | 1818 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1819 | { |
1820 | struct target_ops *t; | |
1821 | ||
c5aa993b | 1822 | t = find_default_run_target ("attach"); |
c906108c SS |
1823 | (t->to_attach) (args, from_tty); |
1824 | return; | |
1825 | } | |
1826 | ||
c906108c | 1827 | void |
c27cda74 AC |
1828 | find_default_create_inferior (char *exec_file, char *allargs, char **env, |
1829 | int from_tty) | |
c906108c SS |
1830 | { |
1831 | struct target_ops *t; | |
1832 | ||
c5aa993b | 1833 | t = find_default_run_target ("run"); |
c27cda74 | 1834 | (t->to_create_inferior) (exec_file, allargs, env, from_tty); |
c906108c SS |
1835 | return; |
1836 | } | |
1837 | ||
e0d24f8d WZ |
1838 | static int |
1839 | default_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len) | |
1840 | { | |
2a3cdf79 | 1841 | return (len <= TYPE_LENGTH (builtin_type_void_data_ptr)); |
ccaa32c7 GS |
1842 | } |
1843 | ||
c906108c | 1844 | static int |
fba45db2 | 1845 | return_zero (void) |
c906108c SS |
1846 | { |
1847 | return 0; | |
1848 | } | |
1849 | ||
1850 | static int | |
fba45db2 | 1851 | return_one (void) |
c906108c SS |
1852 | { |
1853 | return 1; | |
1854 | } | |
1855 | ||
ccaa32c7 GS |
1856 | static int |
1857 | return_minus_one (void) | |
1858 | { | |
1859 | return -1; | |
1860 | } | |
1861 | ||
6426a772 JM |
1862 | /* |
1863 | * Resize the to_sections pointer. Also make sure that anyone that | |
1864 | * was holding on to an old value of it gets updated. | |
1865 | * Returns the old size. | |
1866 | */ | |
1867 | ||
1868 | int | |
1869 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1870 | { | |
1871 | struct target_ops **t; | |
1872 | struct section_table *old_value; | |
1873 | int old_count; | |
1874 | ||
1875 | old_value = target->to_sections; | |
1876 | ||
1877 | if (target->to_sections) | |
1878 | { | |
1879 | old_count = target->to_sections_end - target->to_sections; | |
1880 | target->to_sections = (struct section_table *) | |
1881 | xrealloc ((char *) target->to_sections, | |
1882 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1883 | } | |
1884 | else | |
1885 | { | |
1886 | old_count = 0; | |
1887 | target->to_sections = (struct section_table *) | |
1888 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1889 | } | |
1890 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1891 | ||
1892 | /* Check to see if anyone else was pointing to this structure. | |
1893 | If old_value was null, then no one was. */ | |
2bc416ba | 1894 | |
6426a772 JM |
1895 | if (old_value) |
1896 | { | |
1897 | for (t = target_structs; t < target_structs + target_struct_size; | |
1898 | ++t) | |
1899 | { | |
1900 | if ((*t)->to_sections == old_value) | |
1901 | { | |
1902 | (*t)->to_sections = target->to_sections; | |
1903 | (*t)->to_sections_end = target->to_sections_end; | |
1904 | } | |
1905 | } | |
e354df01 NW |
1906 | /* There is a flattened view of the target stack in current_target, |
1907 | so its to_sections pointer might also need updating. */ | |
1908 | if (current_target.to_sections == old_value) | |
1909 | { | |
1910 | current_target.to_sections = target->to_sections; | |
1911 | current_target.to_sections_end = target->to_sections_end; | |
1912 | } | |
6426a772 | 1913 | } |
2bc416ba | 1914 | |
6426a772 JM |
1915 | return old_count; |
1916 | ||
1917 | } | |
1918 | ||
07cd4b97 JB |
1919 | /* Remove all target sections taken from ABFD. |
1920 | ||
1921 | Scan the current target stack for targets whose section tables | |
1922 | refer to sections from BFD, and remove those sections. We use this | |
1923 | when we notice that the inferior has unloaded a shared object, for | |
1924 | example. */ | |
1925 | void | |
1926 | remove_target_sections (bfd *abfd) | |
1927 | { | |
1928 | struct target_ops **t; | |
1929 | ||
1930 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1931 | { | |
1932 | struct section_table *src, *dest; | |
1933 | ||
1934 | dest = (*t)->to_sections; | |
1935 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1936 | if (src->bfd != abfd) | |
1937 | { | |
1938 | /* Keep this section. */ | |
1939 | if (dest < src) *dest = *src; | |
1940 | dest++; | |
1941 | } | |
1942 | ||
1943 | /* If we've dropped any sections, resize the section table. */ | |
1944 | if (dest < src) | |
1945 | target_resize_to_sections (*t, dest - src); | |
1946 | } | |
1947 | } | |
1948 | ||
1949 | ||
1950 | ||
1951 | ||
7a292a7a SS |
1952 | /* Find a single runnable target in the stack and return it. If for |
1953 | some reason there is more than one, return NULL. */ | |
1954 | ||
1955 | struct target_ops * | |
fba45db2 | 1956 | find_run_target (void) |
7a292a7a SS |
1957 | { |
1958 | struct target_ops **t; | |
1959 | struct target_ops *runable = NULL; | |
1960 | int count; | |
c5aa993b | 1961 | |
7a292a7a | 1962 | count = 0; |
c5aa993b | 1963 | |
7a292a7a SS |
1964 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1965 | { | |
c5aa993b | 1966 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1967 | { |
1968 | runable = *t; | |
1969 | ++count; | |
1970 | } | |
1971 | } | |
c5aa993b | 1972 | |
7a292a7a SS |
1973 | return (count == 1 ? runable : NULL); |
1974 | } | |
1975 | ||
ed9a39eb JM |
1976 | /* Find a single core_stratum target in the list of targets and return it. |
1977 | If for some reason there is more than one, return NULL. */ | |
1978 | ||
c906108c | 1979 | struct target_ops * |
fba45db2 | 1980 | find_core_target (void) |
c906108c SS |
1981 | { |
1982 | struct target_ops **t; | |
1983 | struct target_ops *runable = NULL; | |
1984 | int count; | |
c5aa993b | 1985 | |
c906108c | 1986 | count = 0; |
c5aa993b | 1987 | |
c906108c SS |
1988 | for (t = target_structs; t < target_structs + target_struct_size; |
1989 | ++t) | |
1990 | { | |
1991 | if ((*t)->to_stratum == core_stratum) | |
1992 | { | |
1993 | runable = *t; | |
1994 | ++count; | |
1995 | } | |
1996 | } | |
c5aa993b JM |
1997 | |
1998 | return (count == 1 ? runable : NULL); | |
c906108c | 1999 | } |
ed9a39eb JM |
2000 | |
2001 | /* | |
2002 | * Find the next target down the stack from the specified target. | |
2003 | */ | |
2004 | ||
2005 | struct target_ops * | |
fba45db2 | 2006 | find_target_beneath (struct target_ops *t) |
ed9a39eb | 2007 | { |
258b763a | 2008 | return t->beneath; |
ed9a39eb JM |
2009 | } |
2010 | ||
c906108c SS |
2011 | \f |
2012 | /* The inferior process has died. Long live the inferior! */ | |
2013 | ||
2014 | void | |
fba45db2 | 2015 | generic_mourn_inferior (void) |
c906108c SS |
2016 | { |
2017 | extern int show_breakpoint_hit_counts; | |
2018 | ||
39f77062 | 2019 | inferior_ptid = null_ptid; |
c906108c SS |
2020 | attach_flag = 0; |
2021 | breakpoint_init_inferior (inf_exited); | |
2022 | registers_changed (); | |
2023 | ||
c906108c SS |
2024 | reopen_exec_file (); |
2025 | reinit_frame_cache (); | |
2026 | ||
2027 | /* It is confusing to the user for ignore counts to stick around | |
2028 | from previous runs of the inferior. So clear them. */ | |
2029 | /* However, it is more confusing for the ignore counts to disappear when | |
2030 | using hit counts. So don't clear them if we're counting hits. */ | |
2031 | if (!show_breakpoint_hit_counts) | |
2032 | breakpoint_clear_ignore_counts (); | |
c5b739b5 | 2033 | |
9a4105ab AC |
2034 | if (deprecated_detach_hook) |
2035 | deprecated_detach_hook (); | |
c906108c SS |
2036 | } |
2037 | \f | |
8807d78b | 2038 | /* Helper function for child_wait and the derivatives of child_wait. |
c906108c SS |
2039 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our |
2040 | translation of that in OURSTATUS. */ | |
2041 | void | |
fba45db2 | 2042 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c | 2043 | { |
c906108c SS |
2044 | if (WIFEXITED (hoststatus)) |
2045 | { | |
2046 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
2047 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
2048 | } | |
2049 | else if (!WIFSTOPPED (hoststatus)) | |
2050 | { | |
2051 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
2052 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
2053 | } | |
2054 | else | |
2055 | { | |
2056 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
2057 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
2058 | } | |
2059 | } | |
2060 | \f | |
c906108c | 2061 | /* Returns zero to leave the inferior alone, one to interrupt it. */ |
507f3c78 | 2062 | int (*target_activity_function) (void); |
c906108c SS |
2063 | int target_activity_fd; |
2064 | \f | |
fd0a2a6f MK |
2065 | /* Convert a normal process ID to a string. Returns the string in a |
2066 | static buffer. */ | |
c906108c SS |
2067 | |
2068 | char * | |
39f77062 | 2069 | normal_pid_to_str (ptid_t ptid) |
c906108c | 2070 | { |
fd0a2a6f | 2071 | static char buf[32]; |
c906108c | 2072 | |
5fff8fc0 | 2073 | xsnprintf (buf, sizeof buf, "process %d", ptid_get_pid (ptid)); |
c906108c SS |
2074 | return buf; |
2075 | } | |
2076 | ||
be4d1333 | 2077 | /* Error-catcher for target_find_memory_regions */ |
be4d1333 MS |
2078 | static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2) |
2079 | { | |
8a3fe4f8 | 2080 | error (_("No target.")); |
be4d1333 MS |
2081 | return 0; |
2082 | } | |
2083 | ||
2084 | /* Error-catcher for target_make_corefile_notes */ | |
be4d1333 MS |
2085 | static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2) |
2086 | { | |
8a3fe4f8 | 2087 | error (_("No target.")); |
be4d1333 MS |
2088 | return NULL; |
2089 | } | |
2090 | ||
c906108c SS |
2091 | /* Set up the handful of non-empty slots needed by the dummy target |
2092 | vector. */ | |
2093 | ||
2094 | static void | |
fba45db2 | 2095 | init_dummy_target (void) |
c906108c SS |
2096 | { |
2097 | dummy_target.to_shortname = "None"; | |
2098 | dummy_target.to_longname = "None"; | |
2099 | dummy_target.to_doc = ""; | |
2100 | dummy_target.to_attach = find_default_attach; | |
c906108c | 2101 | dummy_target.to_create_inferior = find_default_create_inferior; |
ed9a39eb | 2102 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c | 2103 | dummy_target.to_stratum = dummy_stratum; |
be4d1333 MS |
2104 | dummy_target.to_find_memory_regions = dummy_find_memory_regions; |
2105 | dummy_target.to_make_corefile_notes = dummy_make_corefile_notes; | |
0b603eba | 2106 | dummy_target.to_xfer_partial = default_xfer_partial; |
c906108c SS |
2107 | dummy_target.to_magic = OPS_MAGIC; |
2108 | } | |
c906108c | 2109 | \f |
c906108c | 2110 | static void |
fba45db2 | 2111 | debug_to_open (char *args, int from_tty) |
c906108c SS |
2112 | { |
2113 | debug_target.to_open (args, from_tty); | |
2114 | ||
96baa820 | 2115 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
2116 | } |
2117 | ||
2118 | static void | |
fba45db2 | 2119 | debug_to_close (int quitting) |
c906108c | 2120 | { |
f1c07ab0 | 2121 | target_close (&debug_target, quitting); |
96baa820 | 2122 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
2123 | } |
2124 | ||
f1c07ab0 AC |
2125 | void |
2126 | target_close (struct target_ops *targ, int quitting) | |
2127 | { | |
2128 | if (targ->to_xclose != NULL) | |
2129 | targ->to_xclose (targ, quitting); | |
2130 | else if (targ->to_close != NULL) | |
2131 | targ->to_close (quitting); | |
2132 | } | |
2133 | ||
c906108c | 2134 | static void |
fba45db2 | 2135 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
2136 | { |
2137 | debug_target.to_attach (args, from_tty); | |
2138 | ||
96baa820 | 2139 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
2140 | } |
2141 | ||
2142 | ||
2143 | static void | |
fba45db2 | 2144 | debug_to_post_attach (int pid) |
c906108c SS |
2145 | { |
2146 | debug_target.to_post_attach (pid); | |
2147 | ||
96baa820 | 2148 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
2149 | } |
2150 | ||
c906108c | 2151 | static void |
fba45db2 | 2152 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
2153 | { |
2154 | debug_target.to_detach (args, from_tty); | |
2155 | ||
96baa820 | 2156 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
2157 | } |
2158 | ||
c906108c | 2159 | static void |
39f77062 | 2160 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 2161 | { |
39f77062 | 2162 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 2163 | |
39f77062 | 2164 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
2165 | step ? "step" : "continue", |
2166 | target_signal_to_name (siggnal)); | |
2167 | } | |
2168 | ||
39f77062 KB |
2169 | static ptid_t |
2170 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 2171 | { |
39f77062 | 2172 | ptid_t retval; |
c906108c | 2173 | |
39f77062 | 2174 | retval = debug_target.to_wait (ptid, status); |
c906108c | 2175 | |
96baa820 | 2176 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
2177 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
2178 | PIDGET (retval)); | |
96baa820 | 2179 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
2180 | switch (status->kind) |
2181 | { | |
2182 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 2183 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
2184 | status->value.integer); |
2185 | break; | |
2186 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 2187 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
2188 | target_signal_to_name (status->value.sig)); |
2189 | break; | |
2190 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 2191 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
2192 | target_signal_to_name (status->value.sig)); |
2193 | break; | |
2194 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 2195 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
2196 | break; |
2197 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 2198 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
2199 | break; |
2200 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 2201 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
2202 | break; |
2203 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 2204 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
2205 | break; |
2206 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 2207 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
2208 | break; |
2209 | default: | |
96baa820 | 2210 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
2211 | break; |
2212 | } | |
2213 | ||
2214 | return retval; | |
2215 | } | |
2216 | ||
bf0c5130 | 2217 | static void |
56be3814 UW |
2218 | debug_print_register (const char * func, |
2219 | struct regcache *regcache, int regno) | |
bf0c5130 | 2220 | { |
f8d29908 | 2221 | struct gdbarch *gdbarch = get_regcache_arch (regcache); |
bf0c5130 | 2222 | fprintf_unfiltered (gdb_stdlog, "%s ", func); |
f8d29908 UW |
2223 | if (regno >= 0 && regno < gdbarch_num_regs (gdbarch) |
2224 | + gdbarch_num_pseudo_regs (gdbarch) | |
2225 | && gdbarch_register_name (gdbarch, regno) != NULL | |
2226 | && gdbarch_register_name (gdbarch, regno)[0] != '\0') | |
2227 | fprintf_unfiltered (gdb_stdlog, "(%s)", | |
2228 | gdbarch_register_name (gdbarch, regno)); | |
bf0c5130 AC |
2229 | else |
2230 | fprintf_unfiltered (gdb_stdlog, "(%d)", regno); | |
2231 | if (regno >= 0) | |
2232 | { | |
f8d29908 | 2233 | int i, size = register_size (gdbarch, regno); |
d9d9c31f | 2234 | unsigned char buf[MAX_REGISTER_SIZE]; |
56be3814 | 2235 | regcache_cooked_read (regcache, regno, buf); |
bf0c5130 | 2236 | fprintf_unfiltered (gdb_stdlog, " = "); |
81c4a259 | 2237 | for (i = 0; i < size; i++) |
bf0c5130 AC |
2238 | { |
2239 | fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]); | |
2240 | } | |
81c4a259 | 2241 | if (size <= sizeof (LONGEST)) |
bf0c5130 | 2242 | { |
81c4a259 | 2243 | ULONGEST val = extract_unsigned_integer (buf, size); |
bf0c5130 | 2244 | fprintf_unfiltered (gdb_stdlog, " 0x%s %s", |
81c4a259 | 2245 | paddr_nz (val), paddr_d (val)); |
bf0c5130 AC |
2246 | } |
2247 | } | |
2248 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
2249 | } | |
2250 | ||
c906108c | 2251 | static void |
56be3814 | 2252 | debug_to_fetch_registers (struct regcache *regcache, int regno) |
c906108c | 2253 | { |
56be3814 UW |
2254 | debug_target.to_fetch_registers (regcache, regno); |
2255 | debug_print_register ("target_fetch_registers", regcache, regno); | |
c906108c SS |
2256 | } |
2257 | ||
2258 | static void | |
56be3814 | 2259 | debug_to_store_registers (struct regcache *regcache, int regno) |
c906108c | 2260 | { |
56be3814 UW |
2261 | debug_target.to_store_registers (regcache, regno); |
2262 | debug_print_register ("target_store_registers", regcache, regno); | |
bf0c5130 | 2263 | fprintf_unfiltered (gdb_stdlog, "\n"); |
c906108c SS |
2264 | } |
2265 | ||
2266 | static void | |
316f2060 | 2267 | debug_to_prepare_to_store (struct regcache *regcache) |
c906108c | 2268 | { |
316f2060 | 2269 | debug_target.to_prepare_to_store (regcache); |
c906108c | 2270 | |
96baa820 | 2271 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
2272 | } |
2273 | ||
2274 | static int | |
961cb7b5 | 2275 | deprecated_debug_xfer_memory (CORE_ADDR memaddr, bfd_byte *myaddr, int len, |
c8e73a31 AC |
2276 | int write, struct mem_attrib *attrib, |
2277 | struct target_ops *target) | |
c906108c SS |
2278 | { |
2279 | int retval; | |
2280 | ||
c8e73a31 AC |
2281 | retval = debug_target.deprecated_xfer_memory (memaddr, myaddr, len, write, |
2282 | attrib, target); | |
c906108c | 2283 | |
96baa820 | 2284 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2285 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 2286 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
2287 | len, write ? "write" : "read", retval); |
2288 | ||
c906108c SS |
2289 | if (retval > 0) |
2290 | { | |
2291 | int i; | |
2292 | ||
96baa820 | 2293 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
2294 | for (i = 0; i < retval; i++) |
2295 | { | |
2296 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
333dabeb DJ |
2297 | { |
2298 | if (targetdebug < 2 && i > 0) | |
2299 | { | |
2300 | fprintf_unfiltered (gdb_stdlog, " ..."); | |
2301 | break; | |
2302 | } | |
2303 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
2304 | } | |
2bc416ba | 2305 | |
96baa820 | 2306 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); |
c906108c SS |
2307 | } |
2308 | } | |
2309 | ||
96baa820 | 2310 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
2311 | |
2312 | return retval; | |
2313 | } | |
2314 | ||
2315 | static void | |
fba45db2 | 2316 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
2317 | { |
2318 | debug_target.to_files_info (target); | |
2319 | ||
96baa820 | 2320 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
2321 | } |
2322 | ||
2323 | static int | |
8181d85f | 2324 | debug_to_insert_breakpoint (struct bp_target_info *bp_tgt) |
c906108c SS |
2325 | { |
2326 | int retval; | |
2327 | ||
8181d85f | 2328 | retval = debug_target.to_insert_breakpoint (bp_tgt); |
c906108c | 2329 | |
96baa820 | 2330 | fprintf_unfiltered (gdb_stdlog, |
104c1213 | 2331 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
8181d85f | 2332 | (unsigned long) bp_tgt->placed_address, |
104c1213 | 2333 | (unsigned long) retval); |
c906108c SS |
2334 | return retval; |
2335 | } | |
2336 | ||
2337 | static int | |
8181d85f | 2338 | debug_to_remove_breakpoint (struct bp_target_info *bp_tgt) |
c906108c SS |
2339 | { |
2340 | int retval; | |
2341 | ||
8181d85f | 2342 | retval = debug_target.to_remove_breakpoint (bp_tgt); |
c906108c | 2343 | |
96baa820 | 2344 | fprintf_unfiltered (gdb_stdlog, |
104c1213 | 2345 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
8181d85f | 2346 | (unsigned long) bp_tgt->placed_address, |
104c1213 | 2347 | (unsigned long) retval); |
c906108c SS |
2348 | return retval; |
2349 | } | |
2350 | ||
ccaa32c7 GS |
2351 | static int |
2352 | debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty) | |
2353 | { | |
2354 | int retval; | |
2355 | ||
2356 | retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty); | |
2357 | ||
2358 | fprintf_unfiltered (gdb_stdlog, | |
2359 | "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n", | |
2360 | (unsigned long) type, | |
2361 | (unsigned long) cnt, | |
2362 | (unsigned long) from_tty, | |
2363 | (unsigned long) retval); | |
2364 | return retval; | |
2365 | } | |
2366 | ||
e0d24f8d WZ |
2367 | static int |
2368 | debug_to_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len) | |
2369 | { | |
2370 | CORE_ADDR retval; | |
2371 | ||
2372 | retval = debug_target.to_region_ok_for_hw_watchpoint (addr, len); | |
2373 | ||
2374 | fprintf_unfiltered (gdb_stdlog, | |
2375 | "TARGET_REGION_OK_FOR_HW_WATCHPOINT (%ld, %ld) = 0x%lx\n", | |
2376 | (unsigned long) addr, | |
2377 | (unsigned long) len, | |
2378 | (unsigned long) retval); | |
2379 | return retval; | |
2380 | } | |
2381 | ||
ccaa32c7 GS |
2382 | static int |
2383 | debug_to_stopped_by_watchpoint (void) | |
2384 | { | |
2385 | int retval; | |
2386 | ||
2387 | retval = debug_target.to_stopped_by_watchpoint (); | |
2388 | ||
2389 | fprintf_unfiltered (gdb_stdlog, | |
2390 | "STOPPED_BY_WATCHPOINT () = %ld\n", | |
2391 | (unsigned long) retval); | |
2392 | return retval; | |
2393 | } | |
2394 | ||
4aa7a7f5 JJ |
2395 | static int |
2396 | debug_to_stopped_data_address (struct target_ops *target, CORE_ADDR *addr) | |
ccaa32c7 | 2397 | { |
4aa7a7f5 | 2398 | int retval; |
ccaa32c7 | 2399 | |
4aa7a7f5 | 2400 | retval = debug_target.to_stopped_data_address (target, addr); |
ccaa32c7 GS |
2401 | |
2402 | fprintf_unfiltered (gdb_stdlog, | |
4aa7a7f5 JJ |
2403 | "target_stopped_data_address ([0x%lx]) = %ld\n", |
2404 | (unsigned long)*addr, | |
2405 | (unsigned long)retval); | |
ccaa32c7 GS |
2406 | return retval; |
2407 | } | |
2408 | ||
2409 | static int | |
8181d85f | 2410 | debug_to_insert_hw_breakpoint (struct bp_target_info *bp_tgt) |
ccaa32c7 GS |
2411 | { |
2412 | int retval; | |
2413 | ||
8181d85f | 2414 | retval = debug_target.to_insert_hw_breakpoint (bp_tgt); |
ccaa32c7 GS |
2415 | |
2416 | fprintf_unfiltered (gdb_stdlog, | |
2417 | "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
8181d85f | 2418 | (unsigned long) bp_tgt->placed_address, |
ccaa32c7 GS |
2419 | (unsigned long) retval); |
2420 | return retval; | |
2421 | } | |
2422 | ||
2423 | static int | |
8181d85f | 2424 | debug_to_remove_hw_breakpoint (struct bp_target_info *bp_tgt) |
ccaa32c7 GS |
2425 | { |
2426 | int retval; | |
2427 | ||
8181d85f | 2428 | retval = debug_target.to_remove_hw_breakpoint (bp_tgt); |
ccaa32c7 GS |
2429 | |
2430 | fprintf_unfiltered (gdb_stdlog, | |
2431 | "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
8181d85f | 2432 | (unsigned long) bp_tgt->placed_address, |
ccaa32c7 GS |
2433 | (unsigned long) retval); |
2434 | return retval; | |
2435 | } | |
2436 | ||
2437 | static int | |
2438 | debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type) | |
2439 | { | |
2440 | int retval; | |
2441 | ||
2442 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
2443 | ||
2444 | fprintf_unfiltered (gdb_stdlog, | |
2445 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
2446 | (unsigned long) addr, len, type, (unsigned long) retval); | |
2447 | return retval; | |
2448 | } | |
2449 | ||
2450 | static int | |
2451 | debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type) | |
2452 | { | |
2453 | int retval; | |
2454 | ||
ecde4882 | 2455 | retval = debug_target.to_remove_watchpoint (addr, len, type); |
ccaa32c7 GS |
2456 | |
2457 | fprintf_unfiltered (gdb_stdlog, | |
ecde4882 | 2458 | "target_remove_watchpoint (0x%lx, %d, %d) = %ld\n", |
ccaa32c7 GS |
2459 | (unsigned long) addr, len, type, (unsigned long) retval); |
2460 | return retval; | |
2461 | } | |
2462 | ||
c906108c | 2463 | static void |
fba45db2 | 2464 | debug_to_terminal_init (void) |
c906108c SS |
2465 | { |
2466 | debug_target.to_terminal_init (); | |
2467 | ||
96baa820 | 2468 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
2469 | } |
2470 | ||
2471 | static void | |
fba45db2 | 2472 | debug_to_terminal_inferior (void) |
c906108c SS |
2473 | { |
2474 | debug_target.to_terminal_inferior (); | |
2475 | ||
96baa820 | 2476 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
2477 | } |
2478 | ||
2479 | static void | |
fba45db2 | 2480 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
2481 | { |
2482 | debug_target.to_terminal_ours_for_output (); | |
2483 | ||
96baa820 | 2484 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
2485 | } |
2486 | ||
2487 | static void | |
fba45db2 | 2488 | debug_to_terminal_ours (void) |
c906108c SS |
2489 | { |
2490 | debug_target.to_terminal_ours (); | |
2491 | ||
96baa820 | 2492 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
2493 | } |
2494 | ||
a790ad35 SC |
2495 | static void |
2496 | debug_to_terminal_save_ours (void) | |
2497 | { | |
2498 | debug_target.to_terminal_save_ours (); | |
2499 | ||
2500 | fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n"); | |
2501 | } | |
2502 | ||
c906108c | 2503 | static void |
fba45db2 | 2504 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
2505 | { |
2506 | debug_target.to_terminal_info (arg, from_tty); | |
2507 | ||
96baa820 | 2508 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
2509 | from_tty); |
2510 | } | |
2511 | ||
2512 | static void | |
fba45db2 | 2513 | debug_to_kill (void) |
c906108c SS |
2514 | { |
2515 | debug_target.to_kill (); | |
2516 | ||
96baa820 | 2517 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
2518 | } |
2519 | ||
2520 | static void | |
fba45db2 | 2521 | debug_to_load (char *args, int from_tty) |
c906108c SS |
2522 | { |
2523 | debug_target.to_load (args, from_tty); | |
2524 | ||
96baa820 | 2525 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
2526 | } |
2527 | ||
2528 | static int | |
fba45db2 | 2529 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
2530 | { |
2531 | int retval; | |
2532 | ||
2533 | retval = debug_target.to_lookup_symbol (name, addrp); | |
2534 | ||
96baa820 | 2535 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
2536 | |
2537 | return retval; | |
2538 | } | |
2539 | ||
2540 | static void | |
c27cda74 AC |
2541 | debug_to_create_inferior (char *exec_file, char *args, char **env, |
2542 | int from_tty) | |
c906108c | 2543 | { |
c27cda74 | 2544 | debug_target.to_create_inferior (exec_file, args, env, from_tty); |
c906108c | 2545 | |
c27cda74 AC |
2546 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx, %d)\n", |
2547 | exec_file, args, from_tty); | |
c906108c SS |
2548 | } |
2549 | ||
2550 | static void | |
39f77062 | 2551 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 2552 | { |
39f77062 | 2553 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 2554 | |
96baa820 | 2555 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 2556 | PIDGET (ptid)); |
c906108c SS |
2557 | } |
2558 | ||
2559 | static void | |
fba45db2 | 2560 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
2561 | { |
2562 | debug_target.to_acknowledge_created_inferior (pid); | |
2563 | ||
96baa820 | 2564 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
2565 | pid); |
2566 | } | |
2567 | ||
fa113d1a | 2568 | static void |
fba45db2 | 2569 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 2570 | { |
fa113d1a | 2571 | debug_target.to_insert_fork_catchpoint (pid); |
c906108c | 2572 | |
fa113d1a AC |
2573 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d)\n", |
2574 | pid); | |
c906108c SS |
2575 | } |
2576 | ||
2577 | static int | |
fba45db2 | 2578 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 2579 | { |
c5aa993b | 2580 | int retval; |
c906108c SS |
2581 | |
2582 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
2583 | ||
96baa820 | 2584 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2585 | pid, retval); |
c906108c SS |
2586 | |
2587 | return retval; | |
2588 | } | |
2589 | ||
fa113d1a | 2590 | static void |
fba45db2 | 2591 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 2592 | { |
fa113d1a | 2593 | debug_target.to_insert_vfork_catchpoint (pid); |
c906108c | 2594 | |
fa113d1a AC |
2595 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)\n", |
2596 | pid); | |
c906108c SS |
2597 | } |
2598 | ||
2599 | static int | |
fba45db2 | 2600 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 2601 | { |
c5aa993b | 2602 | int retval; |
c906108c SS |
2603 | |
2604 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2605 | ||
96baa820 | 2606 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 2607 | pid, retval); |
c906108c SS |
2608 | |
2609 | return retval; | |
2610 | } | |
2611 | ||
fa113d1a | 2612 | static void |
fba45db2 | 2613 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 2614 | { |
fa113d1a | 2615 | debug_target.to_insert_exec_catchpoint (pid); |
c906108c | 2616 | |
fa113d1a AC |
2617 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d)\n", |
2618 | pid); | |
c906108c SS |
2619 | } |
2620 | ||
2621 | static int | |
fba45db2 | 2622 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 2623 | { |
c5aa993b | 2624 | int retval; |
c906108c SS |
2625 | |
2626 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2627 | ||
96baa820 | 2628 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2629 | pid, retval); |
c906108c SS |
2630 | |
2631 | return retval; | |
2632 | } | |
2633 | ||
c906108c | 2634 | static int |
fba45db2 | 2635 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2636 | { |
c5aa993b | 2637 | int has_exited; |
c906108c SS |
2638 | |
2639 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2640 | ||
96baa820 | 2641 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2642 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2643 | |
2644 | return has_exited; | |
2645 | } | |
2646 | ||
2647 | static void | |
fba45db2 | 2648 | debug_to_mourn_inferior (void) |
c906108c SS |
2649 | { |
2650 | debug_target.to_mourn_inferior (); | |
2651 | ||
96baa820 | 2652 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2653 | } |
2654 | ||
2655 | static int | |
fba45db2 | 2656 | debug_to_can_run (void) |
c906108c SS |
2657 | { |
2658 | int retval; | |
2659 | ||
2660 | retval = debug_target.to_can_run (); | |
2661 | ||
96baa820 | 2662 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2663 | |
2664 | return retval; | |
2665 | } | |
2666 | ||
2667 | static void | |
39f77062 | 2668 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2669 | { |
39f77062 | 2670 | debug_target.to_notice_signals (ptid); |
c906108c | 2671 | |
39f77062 KB |
2672 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2673 | PIDGET (ptid)); | |
c906108c SS |
2674 | } |
2675 | ||
2676 | static int | |
39f77062 | 2677 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2678 | { |
2679 | int retval; | |
2680 | ||
39f77062 | 2681 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2682 | |
96baa820 | 2683 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2684 | PIDGET (ptid), retval); |
c906108c SS |
2685 | |
2686 | return retval; | |
2687 | } | |
2688 | ||
0d06e24b | 2689 | static void |
fba45db2 | 2690 | debug_to_find_new_threads (void) |
0d06e24b JM |
2691 | { |
2692 | debug_target.to_find_new_threads (); | |
2693 | ||
2694 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2695 | } | |
2696 | ||
c906108c | 2697 | static void |
fba45db2 | 2698 | debug_to_stop (void) |
c906108c SS |
2699 | { |
2700 | debug_target.to_stop (); | |
2701 | ||
96baa820 | 2702 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2703 | } |
2704 | ||
96baa820 JM |
2705 | static void |
2706 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2707 | struct ui_file *outbuf) |
96baa820 JM |
2708 | { |
2709 | debug_target.to_rcmd (command, outbuf); | |
2710 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2711 | } | |
2712 | ||
c906108c | 2713 | static char * |
fba45db2 | 2714 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2715 | { |
c5aa993b | 2716 | char *exec_file; |
c906108c SS |
2717 | |
2718 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2719 | ||
96baa820 | 2720 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2721 | pid, exec_file); |
c906108c SS |
2722 | |
2723 | return exec_file; | |
2724 | } | |
2725 | ||
c906108c | 2726 | static void |
fba45db2 | 2727 | setup_target_debug (void) |
c906108c SS |
2728 | { |
2729 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2730 | ||
2731 | current_target.to_open = debug_to_open; | |
2732 | current_target.to_close = debug_to_close; | |
2733 | current_target.to_attach = debug_to_attach; | |
2734 | current_target.to_post_attach = debug_to_post_attach; | |
c906108c | 2735 | current_target.to_detach = debug_to_detach; |
c906108c SS |
2736 | current_target.to_resume = debug_to_resume; |
2737 | current_target.to_wait = debug_to_wait; | |
c906108c SS |
2738 | current_target.to_fetch_registers = debug_to_fetch_registers; |
2739 | current_target.to_store_registers = debug_to_store_registers; | |
2740 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
c8e73a31 | 2741 | current_target.deprecated_xfer_memory = deprecated_debug_xfer_memory; |
c906108c SS |
2742 | current_target.to_files_info = debug_to_files_info; |
2743 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2744 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
ccaa32c7 GS |
2745 | current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint; |
2746 | current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint; | |
2747 | current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint; | |
2748 | current_target.to_insert_watchpoint = debug_to_insert_watchpoint; | |
2749 | current_target.to_remove_watchpoint = debug_to_remove_watchpoint; | |
2750 | current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint; | |
2751 | current_target.to_stopped_data_address = debug_to_stopped_data_address; | |
e0d24f8d | 2752 | current_target.to_region_ok_for_hw_watchpoint = debug_to_region_ok_for_hw_watchpoint; |
c906108c SS |
2753 | current_target.to_terminal_init = debug_to_terminal_init; |
2754 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2755 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2756 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
a790ad35 | 2757 | current_target.to_terminal_save_ours = debug_to_terminal_save_ours; |
c906108c SS |
2758 | current_target.to_terminal_info = debug_to_terminal_info; |
2759 | current_target.to_kill = debug_to_kill; | |
2760 | current_target.to_load = debug_to_load; | |
2761 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2762 | current_target.to_create_inferior = debug_to_create_inferior; | |
2763 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2764 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
c906108c SS |
2765 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; |
2766 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2767 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2768 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
c906108c SS |
2769 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; |
2770 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
c906108c SS |
2771 | current_target.to_has_exited = debug_to_has_exited; |
2772 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2773 | current_target.to_can_run = debug_to_can_run; | |
2774 | current_target.to_notice_signals = debug_to_notice_signals; | |
2775 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 2776 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c | 2777 | current_target.to_stop = debug_to_stop; |
96baa820 | 2778 | current_target.to_rcmd = debug_to_rcmd; |
c906108c | 2779 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; |
c906108c | 2780 | } |
c906108c | 2781 | \f |
c5aa993b JM |
2782 | |
2783 | static char targ_desc[] = | |
2784 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
2785 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
2786 | core-file, and process, if any), as well as the symbol file name."; | |
2787 | ||
96baa820 JM |
2788 | static void |
2789 | do_monitor_command (char *cmd, | |
2790 | int from_tty) | |
2791 | { | |
2b5fe715 AC |
2792 | if ((current_target.to_rcmd |
2793 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 2794 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
2795 | && (debug_target.to_rcmd |
2796 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
8a3fe4f8 | 2797 | error (_("\"monitor\" command not supported by this target.")); |
96baa820 JM |
2798 | target_rcmd (cmd, gdb_stdtarg); |
2799 | } | |
2800 | ||
87680a14 JB |
2801 | /* Print the name of each layers of our target stack. */ |
2802 | ||
2803 | static void | |
2804 | maintenance_print_target_stack (char *cmd, int from_tty) | |
2805 | { | |
2806 | struct target_ops *t; | |
2807 | ||
2808 | printf_filtered (_("The current target stack is:\n")); | |
2809 | ||
2810 | for (t = target_stack; t != NULL; t = t->beneath) | |
2811 | { | |
2812 | printf_filtered (" - %s (%s)\n", t->to_shortname, t->to_longname); | |
2813 | } | |
2814 | } | |
2815 | ||
c906108c | 2816 | void |
fba45db2 | 2817 | initialize_targets (void) |
c906108c SS |
2818 | { |
2819 | init_dummy_target (); | |
2820 | push_target (&dummy_target); | |
2821 | ||
2822 | add_info ("target", target_info, targ_desc); | |
2823 | add_info ("files", target_info, targ_desc); | |
2824 | ||
85c07804 AC |
2825 | add_setshow_zinteger_cmd ("target", class_maintenance, &targetdebug, _("\ |
2826 | Set target debugging."), _("\ | |
2827 | Show target debugging."), _("\ | |
333dabeb DJ |
2828 | When non-zero, target debugging is enabled. Higher numbers are more\n\ |
2829 | verbose. Changes do not take effect until the next \"run\" or \"target\"\n\ | |
85c07804 AC |
2830 | command."), |
2831 | NULL, | |
920d2a44 | 2832 | show_targetdebug, |
85c07804 | 2833 | &setdebuglist, &showdebuglist); |
3a11626d | 2834 | |
2bc416ba | 2835 | add_setshow_boolean_cmd ("trust-readonly-sections", class_support, |
7915a72c AC |
2836 | &trust_readonly, _("\ |
2837 | Set mode for reading from readonly sections."), _("\ | |
2838 | Show mode for reading from readonly sections."), _("\ | |
3a11626d MS |
2839 | When this mode is on, memory reads from readonly sections (such as .text)\n\ |
2840 | will be read from the object file instead of from the target. This will\n\ | |
7915a72c | 2841 | result in significant performance improvement for remote targets."), |
2c5b56ce | 2842 | NULL, |
920d2a44 | 2843 | show_trust_readonly, |
e707bbc2 | 2844 | &setlist, &showlist); |
96baa820 JM |
2845 | |
2846 | add_com ("monitor", class_obscure, do_monitor_command, | |
1bedd215 | 2847 | _("Send a command to the remote monitor (remote targets only).")); |
96baa820 | 2848 | |
87680a14 JB |
2849 | add_cmd ("target-stack", class_maintenance, maintenance_print_target_stack, |
2850 | _("Print the name of each layer of the internal target stack."), | |
2851 | &maintenanceprintlist); | |
2852 | ||
8add0441 | 2853 | target_dcache = dcache_init (); |
c906108c | 2854 | } |