Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Select target systems and architectures at runtime for GDB. |
7998dfc3 AC |
2 | |
3 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, | |
4 | 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. | |
5 | ||
c906108c SS |
6 | Contributed by Cygnus Support. |
7 | ||
c5aa993b | 8 | This file is part of GDB. |
c906108c | 9 | |
c5aa993b JM |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
c906108c | 14 | |
c5aa993b JM |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
c906108c | 19 | |
c5aa993b JM |
20 | You should have received a copy of the GNU General Public License |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
24 | |
25 | #include "defs.h" | |
26 | #include <errno.h> | |
c906108c SS |
27 | #include "gdb_string.h" |
28 | #include "target.h" | |
29 | #include "gdbcmd.h" | |
30 | #include "symtab.h" | |
31 | #include "inferior.h" | |
32 | #include "bfd.h" | |
33 | #include "symfile.h" | |
34 | #include "objfiles.h" | |
03f2053f | 35 | #include "gdb_wait.h" |
4930751a | 36 | #include "dcache.h" |
c906108c | 37 | #include <signal.h> |
4e052eda | 38 | #include "regcache.h" |
0088c768 | 39 | #include "gdb_assert.h" |
b6591e8b | 40 | #include "gdbcore.h" |
c906108c | 41 | |
a14ed312 | 42 | static void target_info (char *, int); |
c906108c | 43 | |
a14ed312 | 44 | static void maybe_kill_then_create_inferior (char *, char *, char **); |
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 | |
ccaa32c7 GS |
52 | static int default_region_size_ok_for_hw_watchpoint (int); |
53 | ||
a14ed312 | 54 | static int nosymbol (char *, CORE_ADDR *); |
c906108c | 55 | |
a14ed312 | 56 | static void tcomplain (void); |
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 | |
39f77062 | 74 | static void normal_target_post_startup_inferior (ptid_t ptid); |
392a587b | 75 | |
4b8a223f | 76 | static LONGEST default_xfer_partial (struct target_ops *ops, |
0088c768 | 77 | enum target_object object, |
4b8a223f AC |
78 | const char *annex, const void *writebuf, |
79 | void *readbuf, ULONGEST offset, | |
80 | LONGEST len); | |
0088c768 | 81 | |
917317f4 JM |
82 | /* Transfer LEN bytes between target address MEMADDR and GDB address |
83 | MYADDR. Returns 0 for success, errno code for failure (which | |
84 | includes partial transfers -- if you want a more useful response to | |
85 | partial transfers, try either target_read_memory_partial or | |
86 | target_write_memory_partial). */ | |
c906108c | 87 | |
570b8f7c AC |
88 | static int target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, |
89 | int write); | |
c906108c | 90 | |
a14ed312 | 91 | static void init_dummy_target (void); |
c906108c | 92 | |
a14ed312 | 93 | static void debug_to_open (char *, int); |
c906108c | 94 | |
a14ed312 | 95 | static void debug_to_close (int); |
c906108c | 96 | |
a14ed312 | 97 | static void debug_to_attach (char *, int); |
c906108c | 98 | |
a14ed312 | 99 | static void debug_to_detach (char *, int); |
c906108c | 100 | |
6ad8ae5c DJ |
101 | static void debug_to_disconnect (char *, int); |
102 | ||
39f77062 | 103 | static void debug_to_resume (ptid_t, int, enum target_signal); |
c906108c | 104 | |
39f77062 | 105 | static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *); |
c906108c | 106 | |
a14ed312 | 107 | static void debug_to_fetch_registers (int); |
c906108c | 108 | |
a14ed312 | 109 | static void debug_to_store_registers (int); |
c906108c | 110 | |
a14ed312 | 111 | static void debug_to_prepare_to_store (void); |
c906108c | 112 | |
5ae5f592 AC |
113 | static int debug_to_xfer_memory (CORE_ADDR, char *, int, int, |
114 | struct mem_attrib *, struct target_ops *); | |
c906108c | 115 | |
a14ed312 | 116 | static void debug_to_files_info (struct target_ops *); |
c906108c | 117 | |
a14ed312 | 118 | static int debug_to_insert_breakpoint (CORE_ADDR, char *); |
c906108c | 119 | |
a14ed312 | 120 | static int debug_to_remove_breakpoint (CORE_ADDR, char *); |
c906108c | 121 | |
ccaa32c7 GS |
122 | static int debug_to_can_use_hw_breakpoint (int, int, int); |
123 | ||
124 | static int debug_to_insert_hw_breakpoint (CORE_ADDR, char *); | |
125 | ||
126 | static int debug_to_remove_hw_breakpoint (CORE_ADDR, char *); | |
127 | ||
128 | static int debug_to_insert_watchpoint (CORE_ADDR, int, int); | |
129 | ||
130 | static int debug_to_remove_watchpoint (CORE_ADDR, int, int); | |
131 | ||
132 | static int debug_to_stopped_by_watchpoint (void); | |
133 | ||
134 | static CORE_ADDR debug_to_stopped_data_address (void); | |
135 | ||
136 | static int debug_to_region_size_ok_for_hw_watchpoint (int); | |
137 | ||
a14ed312 | 138 | static void debug_to_terminal_init (void); |
c906108c | 139 | |
a14ed312 | 140 | static void debug_to_terminal_inferior (void); |
c906108c | 141 | |
a14ed312 | 142 | static void debug_to_terminal_ours_for_output (void); |
c906108c | 143 | |
a790ad35 SC |
144 | static void debug_to_terminal_save_ours (void); |
145 | ||
a14ed312 | 146 | static void debug_to_terminal_ours (void); |
c906108c | 147 | |
a14ed312 | 148 | static void debug_to_terminal_info (char *, int); |
c906108c | 149 | |
a14ed312 | 150 | static void debug_to_kill (void); |
c906108c | 151 | |
a14ed312 | 152 | static void debug_to_load (char *, int); |
c906108c | 153 | |
a14ed312 | 154 | static int debug_to_lookup_symbol (char *, CORE_ADDR *); |
c906108c | 155 | |
a14ed312 | 156 | static void debug_to_create_inferior (char *, char *, char **); |
c906108c | 157 | |
a14ed312 | 158 | static void debug_to_mourn_inferior (void); |
c906108c | 159 | |
a14ed312 | 160 | static int debug_to_can_run (void); |
c906108c | 161 | |
39f77062 | 162 | static void debug_to_notice_signals (ptid_t); |
c906108c | 163 | |
39f77062 | 164 | static int debug_to_thread_alive (ptid_t); |
c906108c | 165 | |
a14ed312 | 166 | static void debug_to_stop (void); |
c906108c | 167 | |
c906108c SS |
168 | /* Pointer to array of target architecture structures; the size of the |
169 | array; the current index into the array; the allocated size of the | |
170 | array. */ | |
171 | struct target_ops **target_structs; | |
172 | unsigned target_struct_size; | |
173 | unsigned target_struct_index; | |
174 | unsigned target_struct_allocsize; | |
175 | #define DEFAULT_ALLOCSIZE 10 | |
176 | ||
177 | /* The initial current target, so that there is always a semi-valid | |
178 | current target. */ | |
179 | ||
180 | static struct target_ops dummy_target; | |
181 | ||
182 | /* Top of target stack. */ | |
183 | ||
258b763a | 184 | static struct target_ops *target_stack; |
c906108c SS |
185 | |
186 | /* The target structure we are currently using to talk to a process | |
187 | or file or whatever "inferior" we have. */ | |
188 | ||
189 | struct target_ops current_target; | |
190 | ||
191 | /* Command list for target. */ | |
192 | ||
193 | static struct cmd_list_element *targetlist = NULL; | |
194 | ||
195 | /* Nonzero if we are debugging an attached outside process | |
196 | rather than an inferior. */ | |
197 | ||
198 | int attach_flag; | |
199 | ||
c906108c SS |
200 | /* Non-zero if we want to see trace of target level stuff. */ |
201 | ||
202 | static int targetdebug = 0; | |
203 | ||
a14ed312 | 204 | static void setup_target_debug (void); |
c906108c | 205 | |
4930751a C |
206 | DCACHE *target_dcache; |
207 | ||
c906108c SS |
208 | /* The user just typed 'target' without the name of a target. */ |
209 | ||
c906108c | 210 | static void |
fba45db2 | 211 | target_command (char *arg, int from_tty) |
c906108c SS |
212 | { |
213 | fputs_filtered ("Argument required (target name). Try `help target'\n", | |
214 | gdb_stdout); | |
215 | } | |
216 | ||
217 | /* Add a possible target architecture to the list. */ | |
218 | ||
219 | void | |
fba45db2 | 220 | add_target (struct target_ops *t) |
c906108c | 221 | { |
0088c768 | 222 | /* Provide default values for all "must have" methods. */ |
4b8a223f | 223 | t->to_xfer_partial = default_xfer_partial; |
0088c768 | 224 | |
c906108c SS |
225 | if (!target_structs) |
226 | { | |
227 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
228 | target_structs = (struct target_ops **) xmalloc | |
229 | (target_struct_allocsize * sizeof (*target_structs)); | |
230 | } | |
231 | if (target_struct_size >= target_struct_allocsize) | |
232 | { | |
233 | target_struct_allocsize *= 2; | |
234 | target_structs = (struct target_ops **) | |
c5aa993b JM |
235 | xrealloc ((char *) target_structs, |
236 | target_struct_allocsize * sizeof (*target_structs)); | |
c906108c SS |
237 | } |
238 | target_structs[target_struct_size++] = t; | |
c906108c SS |
239 | |
240 | if (targetlist == NULL) | |
241 | add_prefix_cmd ("target", class_run, target_command, | |
242 | "Connect to a target machine or process.\n\ | |
243 | The first argument is the type or protocol of the target machine.\n\ | |
244 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
245 | information on the arguments for a particular protocol, type\n\ | |
246 | `help target ' followed by the protocol name.", | |
247 | &targetlist, "target ", 0, &cmdlist); | |
248 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
249 | } | |
250 | ||
251 | /* Stub functions */ | |
252 | ||
253 | void | |
fba45db2 | 254 | target_ignore (void) |
c906108c SS |
255 | { |
256 | } | |
257 | ||
11cf8741 JM |
258 | void |
259 | target_load (char *arg, int from_tty) | |
260 | { | |
4930751a | 261 | dcache_invalidate (target_dcache); |
11cf8741 JM |
262 | (*current_target.to_load) (arg, from_tty); |
263 | } | |
264 | ||
c906108c | 265 | static int |
fba45db2 KB |
266 | nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
267 | struct target_ops *t) | |
c906108c | 268 | { |
c5aa993b JM |
269 | errno = EIO; /* Can't read/write this location */ |
270 | return 0; /* No bytes handled */ | |
c906108c SS |
271 | } |
272 | ||
273 | static void | |
fba45db2 | 274 | tcomplain (void) |
c906108c SS |
275 | { |
276 | error ("You can't do that when your target is `%s'", | |
277 | current_target.to_shortname); | |
278 | } | |
279 | ||
280 | void | |
fba45db2 | 281 | noprocess (void) |
c906108c SS |
282 | { |
283 | error ("You can't do that without a process to debug."); | |
284 | } | |
285 | ||
c906108c | 286 | static int |
fba45db2 | 287 | nosymbol (char *name, CORE_ADDR *addrp) |
c906108c | 288 | { |
c5aa993b | 289 | return 1; /* Symbol does not exist in target env */ |
c906108c SS |
290 | } |
291 | ||
392a587b | 292 | static void |
fba45db2 | 293 | nosupport_runtime (void) |
c906108c | 294 | { |
39f77062 | 295 | if (ptid_equal (inferior_ptid, null_ptid)) |
c906108c SS |
296 | noprocess (); |
297 | else | |
298 | error ("No run-time support for this"); | |
299 | } | |
300 | ||
301 | ||
c906108c | 302 | static void |
fba45db2 | 303 | default_terminal_info (char *args, int from_tty) |
c906108c | 304 | { |
c5aa993b | 305 | printf_unfiltered ("No saved terminal information.\n"); |
c906108c SS |
306 | } |
307 | ||
308 | /* This is the default target_create_inferior and target_attach function. | |
309 | If the current target is executing, it asks whether to kill it off. | |
310 | If this function returns without calling error(), it has killed off | |
311 | the target, and the operation should be attempted. */ | |
312 | ||
313 | static void | |
fba45db2 | 314 | kill_or_be_killed (int from_tty) |
c906108c SS |
315 | { |
316 | if (target_has_execution) | |
317 | { | |
318 | printf_unfiltered ("You are already running a program:\n"); | |
319 | target_files_info (); | |
c5aa993b JM |
320 | if (query ("Kill it? ")) |
321 | { | |
322 | target_kill (); | |
323 | if (target_has_execution) | |
324 | error ("Killing the program did not help."); | |
325 | return; | |
326 | } | |
327 | else | |
328 | { | |
329 | error ("Program not killed."); | |
330 | } | |
c906108c | 331 | } |
c5aa993b | 332 | tcomplain (); |
c906108c SS |
333 | } |
334 | ||
335 | static void | |
fba45db2 | 336 | maybe_kill_then_attach (char *args, int from_tty) |
c906108c SS |
337 | { |
338 | kill_or_be_killed (from_tty); | |
339 | target_attach (args, from_tty); | |
340 | } | |
341 | ||
342 | static void | |
fba45db2 | 343 | maybe_kill_then_create_inferior (char *exec, char *args, char **env) |
c906108c SS |
344 | { |
345 | kill_or_be_killed (0); | |
346 | target_create_inferior (exec, args, env); | |
347 | } | |
348 | ||
7998dfc3 AC |
349 | /* Go through the target stack from top to bottom, copying over zero |
350 | entries in current_target, then filling in still empty entries. In | |
351 | effect, we are doing class inheritance through the pushed target | |
352 | vectors. | |
353 | ||
354 | NOTE: cagney/2003-10-17: The problem with this inheritance, as it | |
355 | is currently implemented, is that it discards any knowledge of | |
356 | which target an inherited method originally belonged to. | |
357 | Consequently, new new target methods should instead explicitly and | |
358 | locally search the target stack for the target that can handle the | |
359 | request. */ | |
c906108c SS |
360 | |
361 | static void | |
7998dfc3 | 362 | update_current_target (void) |
c906108c | 363 | { |
7998dfc3 AC |
364 | struct target_ops *t; |
365 | ||
366 | /* First, reset curren'ts contents. */ | |
367 | memset (¤t_target, 0, sizeof (current_target)); | |
368 | ||
369 | #define INHERIT(FIELD, TARGET) \ | |
370 | if (!current_target.FIELD) \ | |
371 | current_target.FIELD = (TARGET)->FIELD | |
372 | ||
373 | for (t = target_stack; t; t = t->beneath) | |
374 | { | |
375 | INHERIT (to_shortname, t); | |
376 | INHERIT (to_longname, t); | |
377 | INHERIT (to_doc, t); | |
378 | INHERIT (to_open, t); | |
379 | INHERIT (to_close, t); | |
380 | INHERIT (to_attach, t); | |
381 | INHERIT (to_post_attach, t); | |
382 | INHERIT (to_detach, t); | |
383 | INHERIT (to_disconnect, t); | |
384 | INHERIT (to_resume, t); | |
385 | INHERIT (to_wait, t); | |
386 | INHERIT (to_post_wait, t); | |
387 | INHERIT (to_fetch_registers, t); | |
388 | INHERIT (to_store_registers, t); | |
389 | INHERIT (to_prepare_to_store, t); | |
390 | INHERIT (to_xfer_memory, t); | |
391 | INHERIT (to_files_info, t); | |
392 | INHERIT (to_insert_breakpoint, t); | |
393 | INHERIT (to_remove_breakpoint, t); | |
394 | INHERIT (to_can_use_hw_breakpoint, t); | |
395 | INHERIT (to_insert_hw_breakpoint, t); | |
396 | INHERIT (to_remove_hw_breakpoint, t); | |
397 | INHERIT (to_insert_watchpoint, t); | |
398 | INHERIT (to_remove_watchpoint, t); | |
399 | INHERIT (to_stopped_data_address, t); | |
400 | INHERIT (to_stopped_by_watchpoint, t); | |
401 | INHERIT (to_have_continuable_watchpoint, t); | |
402 | INHERIT (to_region_size_ok_for_hw_watchpoint, t); | |
403 | INHERIT (to_terminal_init, t); | |
404 | INHERIT (to_terminal_inferior, t); | |
405 | INHERIT (to_terminal_ours_for_output, t); | |
406 | INHERIT (to_terminal_ours, t); | |
407 | INHERIT (to_terminal_save_ours, t); | |
408 | INHERIT (to_terminal_info, t); | |
409 | INHERIT (to_kill, t); | |
410 | INHERIT (to_load, t); | |
411 | INHERIT (to_lookup_symbol, t); | |
412 | INHERIT (to_create_inferior, t); | |
413 | INHERIT (to_post_startup_inferior, t); | |
414 | INHERIT (to_acknowledge_created_inferior, t); | |
415 | INHERIT (to_insert_fork_catchpoint, t); | |
416 | INHERIT (to_remove_fork_catchpoint, t); | |
417 | INHERIT (to_insert_vfork_catchpoint, t); | |
418 | INHERIT (to_remove_vfork_catchpoint, t); | |
419 | INHERIT (to_follow_fork, t); | |
420 | INHERIT (to_insert_exec_catchpoint, t); | |
421 | INHERIT (to_remove_exec_catchpoint, t); | |
422 | INHERIT (to_reported_exec_events_per_exec_call, t); | |
423 | INHERIT (to_has_exited, t); | |
424 | INHERIT (to_mourn_inferior, t); | |
425 | INHERIT (to_can_run, t); | |
426 | INHERIT (to_notice_signals, t); | |
427 | INHERIT (to_thread_alive, t); | |
428 | INHERIT (to_find_new_threads, t); | |
429 | INHERIT (to_pid_to_str, t); | |
430 | INHERIT (to_extra_thread_info, t); | |
431 | INHERIT (to_stop, t); | |
4b8a223f | 432 | /* Do not inherit to_xfer_partial. */ |
7998dfc3 AC |
433 | INHERIT (to_rcmd, t); |
434 | INHERIT (to_enable_exception_callback, t); | |
435 | INHERIT (to_get_current_exception_event, t); | |
436 | INHERIT (to_pid_to_exec_file, t); | |
437 | INHERIT (to_stratum, t); | |
438 | INHERIT (to_has_all_memory, t); | |
439 | INHERIT (to_has_memory, t); | |
440 | INHERIT (to_has_stack, t); | |
441 | INHERIT (to_has_registers, t); | |
442 | INHERIT (to_has_execution, t); | |
443 | INHERIT (to_has_thread_control, t); | |
444 | INHERIT (to_sections, t); | |
445 | INHERIT (to_sections_end, t); | |
446 | INHERIT (to_can_async_p, t); | |
447 | INHERIT (to_is_async_p, t); | |
448 | INHERIT (to_async, t); | |
449 | INHERIT (to_async_mask_value, t); | |
450 | INHERIT (to_find_memory_regions, t); | |
451 | INHERIT (to_make_corefile_notes, t); | |
452 | INHERIT (to_get_thread_local_address, t); | |
453 | INHERIT (to_magic, t); | |
454 | } | |
455 | #undef INHERIT | |
456 | ||
457 | /* Clean up a target struct so it no longer has any zero pointers in | |
0088c768 AC |
458 | it. Some entries are defaulted to a method that print an error, |
459 | others are hard-wired to a standard recursive default. */ | |
c906108c SS |
460 | |
461 | #define de_fault(field, value) \ | |
7998dfc3 AC |
462 | if (!current_target.field) \ |
463 | current_target.field = value | |
0d06e24b JM |
464 | |
465 | de_fault (to_open, | |
466 | (void (*) (char *, int)) | |
467 | tcomplain); | |
468 | de_fault (to_close, | |
469 | (void (*) (int)) | |
470 | target_ignore); | |
471 | de_fault (to_attach, | |
472 | maybe_kill_then_attach); | |
473 | de_fault (to_post_attach, | |
474 | (void (*) (int)) | |
475 | target_ignore); | |
0d06e24b JM |
476 | de_fault (to_detach, |
477 | (void (*) (char *, int)) | |
478 | target_ignore); | |
6ad8ae5c DJ |
479 | de_fault (to_disconnect, |
480 | (void (*) (char *, int)) | |
481 | tcomplain); | |
0d06e24b | 482 | de_fault (to_resume, |
39f77062 | 483 | (void (*) (ptid_t, int, enum target_signal)) |
0d06e24b JM |
484 | noprocess); |
485 | de_fault (to_wait, | |
39f77062 | 486 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) |
0d06e24b JM |
487 | noprocess); |
488 | de_fault (to_post_wait, | |
39f77062 | 489 | (void (*) (ptid_t, int)) |
0d06e24b JM |
490 | target_ignore); |
491 | de_fault (to_fetch_registers, | |
492 | (void (*) (int)) | |
493 | target_ignore); | |
494 | de_fault (to_store_registers, | |
495 | (void (*) (int)) | |
496 | noprocess); | |
497 | de_fault (to_prepare_to_store, | |
498 | (void (*) (void)) | |
499 | noprocess); | |
500 | de_fault (to_xfer_memory, | |
29e57380 | 501 | (int (*) (CORE_ADDR, char *, int, int, struct mem_attrib *, struct target_ops *)) |
0d06e24b JM |
502 | nomemory); |
503 | de_fault (to_files_info, | |
504 | (void (*) (struct target_ops *)) | |
505 | target_ignore); | |
506 | de_fault (to_insert_breakpoint, | |
507 | memory_insert_breakpoint); | |
508 | de_fault (to_remove_breakpoint, | |
509 | memory_remove_breakpoint); | |
ccaa32c7 GS |
510 | de_fault (to_can_use_hw_breakpoint, |
511 | (int (*) (int, int, int)) | |
512 | return_zero); | |
513 | de_fault (to_insert_hw_breakpoint, | |
514 | (int (*) (CORE_ADDR, char *)) | |
515 | return_minus_one); | |
516 | de_fault (to_remove_hw_breakpoint, | |
517 | (int (*) (CORE_ADDR, char *)) | |
518 | return_minus_one); | |
519 | de_fault (to_insert_watchpoint, | |
520 | (int (*) (CORE_ADDR, int, int)) | |
521 | return_minus_one); | |
522 | de_fault (to_remove_watchpoint, | |
523 | (int (*) (CORE_ADDR, int, int)) | |
524 | return_minus_one); | |
525 | de_fault (to_stopped_by_watchpoint, | |
526 | (int (*) (void)) | |
527 | return_zero); | |
528 | de_fault (to_stopped_data_address, | |
529 | (CORE_ADDR (*) (void)) | |
530 | return_zero); | |
531 | de_fault (to_region_size_ok_for_hw_watchpoint, | |
532 | default_region_size_ok_for_hw_watchpoint); | |
0d06e24b JM |
533 | de_fault (to_terminal_init, |
534 | (void (*) (void)) | |
535 | target_ignore); | |
536 | de_fault (to_terminal_inferior, | |
537 | (void (*) (void)) | |
538 | target_ignore); | |
539 | de_fault (to_terminal_ours_for_output, | |
540 | (void (*) (void)) | |
541 | target_ignore); | |
542 | de_fault (to_terminal_ours, | |
543 | (void (*) (void)) | |
544 | target_ignore); | |
a790ad35 SC |
545 | de_fault (to_terminal_save_ours, |
546 | (void (*) (void)) | |
547 | target_ignore); | |
0d06e24b JM |
548 | de_fault (to_terminal_info, |
549 | default_terminal_info); | |
550 | de_fault (to_kill, | |
551 | (void (*) (void)) | |
552 | noprocess); | |
553 | de_fault (to_load, | |
554 | (void (*) (char *, int)) | |
555 | tcomplain); | |
556 | de_fault (to_lookup_symbol, | |
557 | (int (*) (char *, CORE_ADDR *)) | |
558 | nosymbol); | |
559 | de_fault (to_create_inferior, | |
560 | maybe_kill_then_create_inferior); | |
561 | de_fault (to_post_startup_inferior, | |
39f77062 | 562 | (void (*) (ptid_t)) |
0d06e24b JM |
563 | target_ignore); |
564 | de_fault (to_acknowledge_created_inferior, | |
565 | (void (*) (int)) | |
566 | target_ignore); | |
0d06e24b JM |
567 | de_fault (to_insert_fork_catchpoint, |
568 | (int (*) (int)) | |
569 | tcomplain); | |
570 | de_fault (to_remove_fork_catchpoint, | |
571 | (int (*) (int)) | |
572 | tcomplain); | |
573 | de_fault (to_insert_vfork_catchpoint, | |
574 | (int (*) (int)) | |
575 | tcomplain); | |
576 | de_fault (to_remove_vfork_catchpoint, | |
577 | (int (*) (int)) | |
578 | tcomplain); | |
4c9ba7e0 | 579 | de_fault (to_follow_fork, |
6604731b | 580 | (int (*) (int)) |
0d06e24b JM |
581 | target_ignore); |
582 | de_fault (to_insert_exec_catchpoint, | |
583 | (int (*) (int)) | |
584 | tcomplain); | |
585 | de_fault (to_remove_exec_catchpoint, | |
586 | (int (*) (int)) | |
587 | tcomplain); | |
0d06e24b JM |
588 | de_fault (to_reported_exec_events_per_exec_call, |
589 | (int (*) (void)) | |
590 | return_one); | |
0d06e24b JM |
591 | de_fault (to_has_exited, |
592 | (int (*) (int, int, int *)) | |
593 | return_zero); | |
594 | de_fault (to_mourn_inferior, | |
595 | (void (*) (void)) | |
596 | noprocess); | |
597 | de_fault (to_can_run, | |
598 | return_zero); | |
599 | de_fault (to_notice_signals, | |
39f77062 | 600 | (void (*) (ptid_t)) |
0d06e24b JM |
601 | target_ignore); |
602 | de_fault (to_thread_alive, | |
39f77062 | 603 | (int (*) (ptid_t)) |
0d06e24b JM |
604 | return_zero); |
605 | de_fault (to_find_new_threads, | |
606 | (void (*) (void)) | |
607 | target_ignore); | |
608 | de_fault (to_extra_thread_info, | |
609 | (char *(*) (struct thread_info *)) | |
610 | return_zero); | |
611 | de_fault (to_stop, | |
612 | (void (*) (void)) | |
613 | target_ignore); | |
4b8a223f | 614 | current_target.to_xfer_partial = default_xfer_partial; |
0d06e24b | 615 | de_fault (to_rcmd, |
d9fcf2fb | 616 | (void (*) (char *, struct ui_file *)) |
0d06e24b JM |
617 | tcomplain); |
618 | de_fault (to_enable_exception_callback, | |
619 | (struct symtab_and_line * (*) (enum exception_event_kind, int)) | |
620 | nosupport_runtime); | |
621 | de_fault (to_get_current_exception_event, | |
622 | (struct exception_event_record * (*) (void)) | |
623 | nosupport_runtime); | |
624 | de_fault (to_pid_to_exec_file, | |
625 | (char *(*) (int)) | |
626 | return_zero); | |
0d06e24b JM |
627 | de_fault (to_can_async_p, |
628 | (int (*) (void)) | |
629 | return_zero); | |
630 | de_fault (to_is_async_p, | |
631 | (int (*) (void)) | |
632 | return_zero); | |
633 | de_fault (to_async, | |
634 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
635 | tcomplain); | |
c906108c | 636 | #undef de_fault |
c906108c | 637 | |
7998dfc3 AC |
638 | /* Finally, position the target-stack beneath the squashed |
639 | "current_target". That way code looking for a non-inherited | |
640 | target method can quickly and simply find it. */ | |
641 | current_target.beneath = target_stack; | |
c906108c SS |
642 | } |
643 | ||
644 | /* Push a new target type into the stack of the existing target accessors, | |
645 | possibly superseding some of the existing accessors. | |
646 | ||
647 | Result is zero if the pushed target ended up on top of the stack, | |
648 | nonzero if at least one target is on top of it. | |
649 | ||
650 | Rather than allow an empty stack, we always have the dummy target at | |
651 | the bottom stratum, so we can call the function vectors without | |
652 | checking them. */ | |
653 | ||
654 | int | |
fba45db2 | 655 | push_target (struct target_ops *t) |
c906108c | 656 | { |
258b763a | 657 | struct target_ops **cur; |
c906108c SS |
658 | |
659 | /* Check magic number. If wrong, it probably means someone changed | |
660 | the struct definition, but not all the places that initialize one. */ | |
661 | if (t->to_magic != OPS_MAGIC) | |
662 | { | |
c5aa993b JM |
663 | fprintf_unfiltered (gdb_stderr, |
664 | "Magic number of %s target struct wrong\n", | |
665 | t->to_shortname); | |
e1e9e218 | 666 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
667 | } |
668 | ||
258b763a AC |
669 | /* Find the proper stratum to install this target in. */ |
670 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) | |
c906108c | 671 | { |
258b763a | 672 | if ((int) (t->to_stratum) >= (int) (*cur)->to_stratum) |
c906108c SS |
673 | break; |
674 | } | |
675 | ||
258b763a AC |
676 | /* If there's already targets at this stratum, remove them. */ |
677 | /* FIXME: cagney/2003-10-15: I think this should be poping all | |
678 | targets to CUR, and not just those at this stratum level. */ | |
679 | while ((*cur) != NULL && t->to_stratum == (*cur)->to_stratum) | |
680 | { | |
681 | /* There's already something at this stratum level. Close it, | |
682 | and un-hook it from the stack. */ | |
683 | struct target_ops *tmp = (*cur); | |
684 | (*cur) = (*cur)->beneath; | |
685 | tmp->beneath = NULL; | |
f1c07ab0 | 686 | target_close (tmp, 0); |
258b763a | 687 | } |
c906108c SS |
688 | |
689 | /* We have removed all targets in our stratum, now add the new one. */ | |
258b763a AC |
690 | t->beneath = (*cur); |
691 | (*cur) = t; | |
c906108c SS |
692 | |
693 | update_current_target (); | |
694 | ||
c906108c SS |
695 | if (targetdebug) |
696 | setup_target_debug (); | |
c906108c | 697 | |
258b763a AC |
698 | /* Not on top? */ |
699 | return (t != target_stack); | |
c906108c SS |
700 | } |
701 | ||
702 | /* Remove a target_ops vector from the stack, wherever it may be. | |
703 | Return how many times it was removed (0 or 1). */ | |
704 | ||
705 | int | |
fba45db2 | 706 | unpush_target (struct target_ops *t) |
c906108c | 707 | { |
258b763a AC |
708 | struct target_ops **cur; |
709 | struct target_ops *tmp; | |
c906108c | 710 | |
f1c07ab0 | 711 | target_close (t, 0); |
c906108c SS |
712 | |
713 | /* Look for the specified target. Note that we assume that a target | |
714 | can only occur once in the target stack. */ | |
715 | ||
258b763a AC |
716 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) |
717 | { | |
718 | if ((*cur) == t) | |
719 | break; | |
720 | } | |
c906108c | 721 | |
258b763a | 722 | if ((*cur) == NULL) |
c906108c SS |
723 | return 0; /* Didn't find target_ops, quit now */ |
724 | ||
725 | /* Unchain the target */ | |
258b763a AC |
726 | tmp = (*cur); |
727 | (*cur) = (*cur)->beneath; | |
728 | tmp->beneath = NULL; | |
c906108c SS |
729 | |
730 | update_current_target (); | |
c906108c SS |
731 | |
732 | return 1; | |
733 | } | |
734 | ||
735 | void | |
fba45db2 | 736 | pop_target (void) |
c906108c | 737 | { |
f1c07ab0 | 738 | target_close (¤t_target, 0); /* Let it clean up */ |
258b763a | 739 | if (unpush_target (target_stack) == 1) |
c906108c SS |
740 | return; |
741 | ||
c5aa993b JM |
742 | fprintf_unfiltered (gdb_stderr, |
743 | "pop_target couldn't find target %s\n", | |
744 | current_target.to_shortname); | |
e1e9e218 | 745 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
746 | } |
747 | ||
748 | #undef MIN | |
749 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
750 | ||
751 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
752 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
753 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
754 | is responsible for freeing it. Return the number of bytes successfully | |
755 | read. */ | |
756 | ||
757 | int | |
fba45db2 | 758 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
759 | { |
760 | int tlen, origlen, offset, i; | |
761 | char buf[4]; | |
762 | int errcode = 0; | |
763 | char *buffer; | |
764 | int buffer_allocated; | |
765 | char *bufptr; | |
766 | unsigned int nbytes_read = 0; | |
767 | ||
768 | /* Small for testing. */ | |
769 | buffer_allocated = 4; | |
770 | buffer = xmalloc (buffer_allocated); | |
771 | bufptr = buffer; | |
772 | ||
773 | origlen = len; | |
774 | ||
775 | while (len > 0) | |
776 | { | |
777 | tlen = MIN (len, 4 - (memaddr & 3)); | |
778 | offset = memaddr & 3; | |
779 | ||
d4b2399a | 780 | errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0); |
c906108c SS |
781 | if (errcode != 0) |
782 | { | |
783 | /* The transfer request might have crossed the boundary to an | |
784 | unallocated region of memory. Retry the transfer, requesting | |
785 | a single byte. */ | |
786 | tlen = 1; | |
787 | offset = 0; | |
d4b2399a | 788 | errcode = target_xfer_memory (memaddr, buf, 1, 0); |
c906108c SS |
789 | if (errcode != 0) |
790 | goto done; | |
791 | } | |
792 | ||
793 | if (bufptr - buffer + tlen > buffer_allocated) | |
794 | { | |
795 | unsigned int bytes; | |
796 | bytes = bufptr - buffer; | |
797 | buffer_allocated *= 2; | |
798 | buffer = xrealloc (buffer, buffer_allocated); | |
799 | bufptr = buffer + bytes; | |
800 | } | |
801 | ||
802 | for (i = 0; i < tlen; i++) | |
803 | { | |
804 | *bufptr++ = buf[i + offset]; | |
805 | if (buf[i + offset] == '\000') | |
806 | { | |
807 | nbytes_read += i + 1; | |
808 | goto done; | |
809 | } | |
810 | } | |
811 | ||
812 | memaddr += tlen; | |
813 | len -= tlen; | |
814 | nbytes_read += tlen; | |
815 | } | |
c5aa993b | 816 | done: |
c906108c SS |
817 | if (errnop != NULL) |
818 | *errnop = errcode; | |
819 | if (string != NULL) | |
820 | *string = buffer; | |
821 | return nbytes_read; | |
822 | } | |
823 | ||
8db32d44 AC |
824 | /* Find a section containing ADDR. */ |
825 | struct section_table * | |
826 | target_section_by_addr (struct target_ops *target, CORE_ADDR addr) | |
827 | { | |
828 | struct section_table *secp; | |
829 | for (secp = target->to_sections; | |
830 | secp < target->to_sections_end; | |
831 | secp++) | |
832 | { | |
833 | if (addr >= secp->addr && addr < secp->endaddr) | |
834 | return secp; | |
835 | } | |
836 | return NULL; | |
837 | } | |
838 | ||
c906108c SS |
839 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in |
840 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
841 | if any error occurs. | |
842 | ||
843 | If an error occurs, no guarantee is made about the contents of the data at | |
844 | MYADDR. In particular, the caller should not depend upon partial reads | |
845 | filling the buffer with good data. There is no way for the caller to know | |
846 | how much good data might have been transfered anyway. Callers that can | |
847 | deal with partial reads should call target_read_memory_partial. */ | |
848 | ||
849 | int | |
fba45db2 | 850 | target_read_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 851 | { |
d4b2399a | 852 | return target_xfer_memory (memaddr, myaddr, len, 0); |
c906108c SS |
853 | } |
854 | ||
c906108c | 855 | int |
fba45db2 | 856 | target_write_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 857 | { |
d4b2399a | 858 | return target_xfer_memory (memaddr, myaddr, len, 1); |
c906108c | 859 | } |
c5aa993b | 860 | |
3a11626d MS |
861 | static int trust_readonly = 0; |
862 | ||
67e0617e C |
863 | /* Move memory to or from the targets. The top target gets priority; |
864 | if it cannot handle it, it is offered to the next one down, etc. | |
c906108c | 865 | |
67e0617e | 866 | Result is -1 on error, or the number of bytes transfered. */ |
c906108c | 867 | |
4930751a | 868 | int |
29e57380 C |
869 | do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
870 | struct mem_attrib *attrib) | |
c906108c | 871 | { |
c906108c | 872 | int res; |
4930751a | 873 | int done = 0; |
c906108c | 874 | struct target_ops *t; |
c906108c SS |
875 | |
876 | /* Zero length requests are ok and require no work. */ | |
877 | if (len == 0) | |
878 | return 0; | |
879 | ||
c906108c SS |
880 | /* to_xfer_memory is not guaranteed to set errno, even when it returns |
881 | 0. */ | |
882 | errno = 0; | |
883 | ||
3a11626d MS |
884 | if (!write && trust_readonly) |
885 | { | |
8db32d44 | 886 | struct section_table *secp; |
2ceb85d0 BE |
887 | /* User-settable option, "trust-readonly-sections". If true, |
888 | then memory from any SEC_READONLY bfd section may be read | |
8db32d44 AC |
889 | directly from the bfd file. */ |
890 | secp = target_section_by_addr (¤t_target, memaddr); | |
891 | if (secp != NULL | |
892 | && (bfd_get_section_flags (secp->bfd, secp->the_bfd_section) | |
893 | & SEC_READONLY)) | |
894 | return xfer_memory (memaddr, myaddr, len, 0, attrib, ¤t_target); | |
3a11626d MS |
895 | } |
896 | ||
67e0617e | 897 | /* The quick case is that the top target can handle the transfer. */ |
c906108c | 898 | res = current_target.to_xfer_memory |
29e57380 | 899 | (memaddr, myaddr, len, write, attrib, ¤t_target); |
c906108c | 900 | |
67e0617e C |
901 | /* If res <= 0 then we call it again in the loop. Ah well. */ |
902 | if (res <= 0) | |
c906108c | 903 | { |
258b763a | 904 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 905 | { |
c906108c SS |
906 | if (!t->to_has_memory) |
907 | continue; | |
908 | ||
29e57380 | 909 | res = t->to_xfer_memory (memaddr, myaddr, len, write, attrib, t); |
c906108c SS |
910 | if (res > 0) |
911 | break; /* Handled all or part of xfer */ | |
912 | if (t->to_has_all_memory) | |
913 | break; | |
914 | } | |
915 | ||
4930751a | 916 | if (res <= 0) |
67e0617e | 917 | return -1; |
4930751a | 918 | } |
67e0617e C |
919 | |
920 | return res; | |
4930751a C |
921 | } |
922 | ||
67e0617e C |
923 | |
924 | /* Perform a memory transfer. Iterate until the entire region has | |
925 | been transfered. | |
926 | ||
927 | Result is 0 or errno value. */ | |
928 | ||
4930751a C |
929 | static int |
930 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write) | |
931 | { | |
932 | int res; | |
29e57380 C |
933 | int reg_len; |
934 | struct mem_region *region; | |
4930751a C |
935 | |
936 | /* Zero length requests are ok and require no work. */ | |
937 | if (len == 0) | |
938 | { | |
939 | return 0; | |
940 | } | |
941 | ||
942 | while (len > 0) | |
943 | { | |
29e57380 C |
944 | region = lookup_mem_region(memaddr); |
945 | if (memaddr + len < region->hi) | |
946 | reg_len = len; | |
947 | else | |
948 | reg_len = region->hi - memaddr; | |
949 | ||
950 | switch (region->attrib.mode) | |
c906108c | 951 | { |
29e57380 C |
952 | case MEM_RO: |
953 | if (write) | |
954 | return EIO; | |
955 | break; | |
956 | ||
957 | case MEM_WO: | |
c906108c | 958 | if (!write) |
c906108c | 959 | return EIO; |
29e57380 | 960 | break; |
c906108c | 961 | } |
4930751a | 962 | |
29e57380 C |
963 | while (reg_len > 0) |
964 | { | |
965 | if (region->attrib.cache) | |
8add0441 | 966 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, |
29e57380 C |
967 | reg_len, write); |
968 | else | |
8add0441 | 969 | res = do_xfer_memory (memaddr, myaddr, reg_len, write, |
29e57380 C |
970 | ®ion->attrib); |
971 | ||
972 | if (res <= 0) | |
973 | { | |
974 | /* If this address is for nonexistent memory, read zeros | |
975 | if reading, or do nothing if writing. Return | |
976 | error. */ | |
977 | if (!write) | |
978 | memset (myaddr, 0, len); | |
979 | if (errno == 0) | |
980 | return EIO; | |
981 | else | |
982 | return errno; | |
983 | } | |
984 | ||
985 | memaddr += res; | |
986 | myaddr += res; | |
987 | len -= res; | |
988 | reg_len -= res; | |
989 | } | |
c906108c | 990 | } |
4930751a | 991 | |
c906108c SS |
992 | return 0; /* We managed to cover it all somehow. */ |
993 | } | |
994 | ||
995 | ||
67e0617e C |
996 | /* Perform a partial memory transfer. |
997 | ||
998 | Result is -1 on error, or the number of bytes transfered. */ | |
917317f4 JM |
999 | |
1000 | static int | |
4930751a | 1001 | target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len, |
917317f4 JM |
1002 | int write_p, int *err) |
1003 | { | |
1004 | int res; | |
29e57380 C |
1005 | int reg_len; |
1006 | struct mem_region *region; | |
917317f4 JM |
1007 | |
1008 | /* Zero length requests are ok and require no work. */ | |
1009 | if (len == 0) | |
1010 | { | |
1011 | *err = 0; | |
1012 | return 0; | |
1013 | } | |
1014 | ||
29e57380 C |
1015 | region = lookup_mem_region(memaddr); |
1016 | if (memaddr + len < region->hi) | |
1017 | reg_len = len; | |
1018 | else | |
1019 | reg_len = region->hi - memaddr; | |
1020 | ||
1021 | switch (region->attrib.mode) | |
1022 | { | |
1023 | case MEM_RO: | |
1024 | if (write_p) | |
1025 | { | |
1026 | *err = EIO; | |
873406a6 | 1027 | return -1; |
29e57380 C |
1028 | } |
1029 | break; | |
1030 | ||
1031 | case MEM_WO: | |
1032 | if (write_p) | |
1033 | { | |
1034 | *err = EIO; | |
873406a6 | 1035 | return -1; |
29e57380 C |
1036 | } |
1037 | break; | |
1038 | } | |
1039 | ||
1040 | if (region->attrib.cache) | |
1041 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, | |
1042 | reg_len, write_p); | |
1043 | else | |
1044 | res = do_xfer_memory (memaddr, myaddr, reg_len, write_p, | |
1045 | ®ion->attrib); | |
1046 | ||
4930751a | 1047 | if (res <= 0) |
917317f4 | 1048 | { |
4930751a C |
1049 | if (errno != 0) |
1050 | *err = errno; | |
1051 | else | |
1052 | *err = EIO; | |
917317f4 | 1053 | |
4930751a | 1054 | return -1; |
917317f4 JM |
1055 | } |
1056 | ||
4930751a | 1057 | *err = 0; |
67e0617e | 1058 | return res; |
917317f4 JM |
1059 | } |
1060 | ||
1061 | int | |
1062 | target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1063 | { | |
1064 | return target_xfer_memory_partial (memaddr, buf, len, 0, err); | |
1065 | } | |
1066 | ||
1067 | int | |
1068 | target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1069 | { | |
1070 | return target_xfer_memory_partial (memaddr, buf, len, 1, err); | |
1071 | } | |
1072 | ||
1e3ff5ad AC |
1073 | /* More generic transfers. */ |
1074 | ||
0088c768 | 1075 | static LONGEST |
4b8a223f | 1076 | default_xfer_partial (struct target_ops *ops, |
0088c768 | 1077 | enum target_object object, |
4b8a223f AC |
1078 | const char *annex, const void *writebuf, |
1079 | void *readbuf, ULONGEST offset, LONGEST len) | |
0088c768 AC |
1080 | { |
1081 | if (object == TARGET_OBJECT_MEMORY | |
1082 | && ops->to_xfer_memory != NULL) | |
1083 | /* If available, fall back to the target's "to_xfer_memory" | |
1084 | method. */ | |
1085 | { | |
4b8a223f | 1086 | int xfered = -1; |
0088c768 | 1087 | errno = 0; |
4b8a223f AC |
1088 | if (writebuf != NULL) |
1089 | { | |
1090 | void *buffer = xmalloc (len); | |
1091 | struct cleanup *cleanup = make_cleanup (xfree, buffer); | |
1092 | memcpy (buffer, writebuf, len); | |
1093 | xfered = ops->to_xfer_memory (offset, buffer, len, 1/*write*/, NULL, | |
1094 | ops); | |
1095 | do_cleanups (cleanup); | |
1096 | } | |
1097 | if (readbuf != NULL) | |
1098 | xfered = ops->to_xfer_memory (offset, readbuf, len, 0/*read*/, NULL, | |
0088c768 | 1099 | ops); |
0088c768 AC |
1100 | if (xfered > 0) |
1101 | return xfered; | |
1102 | else if (xfered == 0 && errno == 0) | |
1103 | /* "to_xfer_memory" uses 0, cross checked against ERRNO as one | |
1104 | indication of an error. */ | |
1105 | return 0; | |
1106 | else | |
1107 | return -1; | |
1108 | } | |
1109 | else if (ops->beneath != NULL) | |
4b8a223f AC |
1110 | return ops->beneath->to_xfer_partial (ops->beneath, object, annex, |
1111 | writebuf, readbuf, offset, len); | |
0088c768 AC |
1112 | else |
1113 | return -1; | |
1114 | } | |
1115 | ||
1116 | /* Target vector read/write partial wrapper functions. | |
1117 | ||
1118 | NOTE: cagney/2003-10-21: I wonder if having "to_xfer_partial | |
1119 | (inbuf, outbuf)", instead of separate read/write methods, make life | |
1120 | easier. */ | |
1121 | ||
1e3ff5ad AC |
1122 | LONGEST |
1123 | target_read_partial (struct target_ops *ops, | |
1124 | enum target_object object, | |
1125 | const char *annex, void *buf, | |
1126 | ULONGEST offset, LONGEST len) | |
1127 | { | |
4b8a223f AC |
1128 | gdb_assert (ops->to_xfer_partial != NULL); |
1129 | return ops->to_xfer_partial (ops, object, annex, NULL, buf, offset, len); | |
1e3ff5ad AC |
1130 | } |
1131 | ||
1132 | LONGEST | |
1133 | target_write_partial (struct target_ops *ops, | |
1134 | enum target_object object, | |
1135 | const char *annex, const void *buf, | |
1136 | ULONGEST offset, LONGEST len) | |
1137 | { | |
4b8a223f AC |
1138 | gdb_assert (ops->to_xfer_partial != NULL); |
1139 | return ops->to_xfer_partial (ops, object, annex, buf, NULL, offset, len); | |
1e3ff5ad AC |
1140 | } |
1141 | ||
1142 | /* Wrappers to perform the full transfer. */ | |
1143 | LONGEST | |
1144 | target_read (struct target_ops *ops, | |
1145 | enum target_object object, | |
1146 | const char *annex, void *buf, | |
1147 | ULONGEST offset, LONGEST len) | |
1148 | { | |
1149 | LONGEST xfered = 0; | |
1150 | while (xfered < len) | |
1151 | { | |
0088c768 AC |
1152 | LONGEST xfer = target_read_partial (ops, object, annex, |
1153 | (bfd_byte *) buf + xfered, | |
1154 | offset + xfered, len - xfered); | |
1e3ff5ad | 1155 | /* Call an observer, notifying them of the xfer progress? */ |
0088c768 AC |
1156 | if (xfer <= 0) |
1157 | /* Call memory_error? */ | |
1158 | return -1; | |
1e3ff5ad AC |
1159 | xfered += xfer; |
1160 | QUIT; | |
1161 | } | |
1162 | return len; | |
1163 | } | |
1164 | ||
1165 | LONGEST | |
1166 | target_write (struct target_ops *ops, | |
1167 | enum target_object object, | |
1168 | const char *annex, const void *buf, | |
1169 | ULONGEST offset, LONGEST len) | |
1170 | { | |
1171 | LONGEST xfered = 0; | |
1172 | while (xfered < len) | |
1173 | { | |
1174 | LONGEST xfer = target_write_partial (ops, object, annex, | |
1175 | (bfd_byte *) buf + xfered, | |
1176 | offset + xfered, len - xfered); | |
1177 | /* Call an observer, notifying them of the xfer progress? */ | |
0088c768 AC |
1178 | if (xfer <= 0) |
1179 | /* Call memory_error? */ | |
1180 | return -1; | |
1e3ff5ad AC |
1181 | xfered += xfer; |
1182 | QUIT; | |
1183 | } | |
1184 | return len; | |
1185 | } | |
1186 | ||
b6591e8b AC |
1187 | /* Memory transfer methods. */ |
1188 | ||
1189 | void | |
1190 | get_target_memory (struct target_ops *ops, CORE_ADDR addr, void *buf, | |
1191 | LONGEST len) | |
1192 | { | |
1193 | if (target_read (ops, TARGET_OBJECT_MEMORY, NULL, buf, addr, len) | |
1194 | != len) | |
1195 | memory_error (EIO, addr); | |
1196 | } | |
1197 | ||
1198 | ULONGEST | |
1199 | get_target_memory_unsigned (struct target_ops *ops, | |
1200 | CORE_ADDR addr, int len) | |
1201 | { | |
1202 | char buf[sizeof (ULONGEST)]; | |
1203 | ||
1204 | gdb_assert (len <= sizeof (buf)); | |
1205 | get_target_memory (ops, addr, buf, len); | |
1206 | return extract_unsigned_integer (buf, len); | |
1207 | } | |
1208 | ||
c906108c | 1209 | static void |
fba45db2 | 1210 | target_info (char *args, int from_tty) |
c906108c SS |
1211 | { |
1212 | struct target_ops *t; | |
c906108c | 1213 | int has_all_mem = 0; |
c5aa993b | 1214 | |
c906108c SS |
1215 | if (symfile_objfile != NULL) |
1216 | printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name); | |
1217 | ||
1218 | #ifdef FILES_INFO_HOOK | |
1219 | if (FILES_INFO_HOOK ()) | |
1220 | return; | |
1221 | #endif | |
1222 | ||
258b763a | 1223 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 1224 | { |
c906108c SS |
1225 | if (!t->to_has_memory) |
1226 | continue; | |
1227 | ||
c5aa993b | 1228 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1229 | continue; |
1230 | if (has_all_mem) | |
c5aa993b JM |
1231 | printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n"); |
1232 | printf_unfiltered ("%s:\n", t->to_longname); | |
1233 | (t->to_files_info) (t); | |
c906108c SS |
1234 | has_all_mem = t->to_has_all_memory; |
1235 | } | |
1236 | } | |
1237 | ||
1238 | /* This is to be called by the open routine before it does | |
1239 | anything. */ | |
1240 | ||
1241 | void | |
fba45db2 | 1242 | target_preopen (int from_tty) |
c906108c | 1243 | { |
c5aa993b | 1244 | dont_repeat (); |
c906108c SS |
1245 | |
1246 | if (target_has_execution) | |
c5aa993b | 1247 | { |
adf40b2e JM |
1248 | if (!from_tty |
1249 | || query ("A program is being debugged already. Kill it? ")) | |
c5aa993b | 1250 | target_kill (); |
c906108c | 1251 | else |
c5aa993b | 1252 | error ("Program not killed."); |
c906108c SS |
1253 | } |
1254 | ||
1255 | /* Calling target_kill may remove the target from the stack. But if | |
1256 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1257 | ||
1258 | if (target_has_execution) | |
1259 | pop_target (); | |
1260 | } | |
1261 | ||
1262 | /* Detach a target after doing deferred register stores. */ | |
1263 | ||
1264 | void | |
fba45db2 | 1265 | target_detach (char *args, int from_tty) |
c906108c SS |
1266 | { |
1267 | /* Handle any optimized stores to the inferior. */ | |
1268 | #ifdef DO_DEFERRED_STORES | |
1269 | DO_DEFERRED_STORES; | |
1270 | #endif | |
1271 | (current_target.to_detach) (args, from_tty); | |
1272 | } | |
1273 | ||
6ad8ae5c DJ |
1274 | void |
1275 | target_disconnect (char *args, int from_tty) | |
1276 | { | |
1277 | /* Handle any optimized stores to the inferior. */ | |
1278 | #ifdef DO_DEFERRED_STORES | |
1279 | DO_DEFERRED_STORES; | |
1280 | #endif | |
1281 | (current_target.to_disconnect) (args, from_tty); | |
1282 | } | |
1283 | ||
c906108c | 1284 | void |
fba45db2 | 1285 | target_link (char *modname, CORE_ADDR *t_reloc) |
c906108c | 1286 | { |
c5aa993b | 1287 | if (STREQ (current_target.to_shortname, "rombug")) |
c906108c SS |
1288 | { |
1289 | (current_target.to_lookup_symbol) (modname, t_reloc); | |
1290 | if (*t_reloc == 0) | |
c5aa993b | 1291 | error ("Unable to link to %s and get relocation in rombug", modname); |
c906108c SS |
1292 | } |
1293 | else | |
2acceee2 | 1294 | *t_reloc = (CORE_ADDR) -1; |
c906108c SS |
1295 | } |
1296 | ||
ed9a39eb JM |
1297 | int |
1298 | target_async_mask (int mask) | |
1299 | { | |
1300 | int saved_async_masked_status = target_async_mask_value; | |
1301 | target_async_mask_value = mask; | |
1302 | return saved_async_masked_status; | |
1303 | } | |
1304 | ||
c906108c SS |
1305 | /* Look through the list of possible targets for a target that can |
1306 | execute a run or attach command without any other data. This is | |
1307 | used to locate the default process stratum. | |
1308 | ||
1309 | Result is always valid (error() is called for errors). */ | |
1310 | ||
1311 | static struct target_ops * | |
fba45db2 | 1312 | find_default_run_target (char *do_mesg) |
c906108c SS |
1313 | { |
1314 | struct target_ops **t; | |
1315 | struct target_ops *runable = NULL; | |
1316 | int count; | |
1317 | ||
1318 | count = 0; | |
1319 | ||
1320 | for (t = target_structs; t < target_structs + target_struct_size; | |
1321 | ++t) | |
1322 | { | |
c5aa993b | 1323 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1324 | { |
1325 | runable = *t; | |
1326 | ++count; | |
1327 | } | |
1328 | } | |
1329 | ||
1330 | if (count != 1) | |
1331 | error ("Don't know how to %s. Try \"help target\".", do_mesg); | |
1332 | ||
1333 | return runable; | |
1334 | } | |
1335 | ||
1336 | void | |
fba45db2 | 1337 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1338 | { |
1339 | struct target_ops *t; | |
1340 | ||
c5aa993b | 1341 | t = find_default_run_target ("attach"); |
c906108c SS |
1342 | (t->to_attach) (args, from_tty); |
1343 | return; | |
1344 | } | |
1345 | ||
c906108c | 1346 | void |
fba45db2 | 1347 | find_default_create_inferior (char *exec_file, char *allargs, char **env) |
c906108c SS |
1348 | { |
1349 | struct target_ops *t; | |
1350 | ||
c5aa993b | 1351 | t = find_default_run_target ("run"); |
c906108c SS |
1352 | (t->to_create_inferior) (exec_file, allargs, env); |
1353 | return; | |
1354 | } | |
1355 | ||
ccaa32c7 GS |
1356 | static int |
1357 | default_region_size_ok_for_hw_watchpoint (int byte_count) | |
1358 | { | |
b1e29e33 | 1359 | return (byte_count <= DEPRECATED_REGISTER_SIZE); |
ccaa32c7 GS |
1360 | } |
1361 | ||
c906108c | 1362 | static int |
fba45db2 | 1363 | return_zero (void) |
c906108c SS |
1364 | { |
1365 | return 0; | |
1366 | } | |
1367 | ||
1368 | static int | |
fba45db2 | 1369 | return_one (void) |
c906108c SS |
1370 | { |
1371 | return 1; | |
1372 | } | |
1373 | ||
ccaa32c7 GS |
1374 | static int |
1375 | return_minus_one (void) | |
1376 | { | |
1377 | return -1; | |
1378 | } | |
1379 | ||
6426a772 JM |
1380 | /* |
1381 | * Resize the to_sections pointer. Also make sure that anyone that | |
1382 | * was holding on to an old value of it gets updated. | |
1383 | * Returns the old size. | |
1384 | */ | |
1385 | ||
1386 | int | |
1387 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1388 | { | |
1389 | struct target_ops **t; | |
1390 | struct section_table *old_value; | |
1391 | int old_count; | |
1392 | ||
1393 | old_value = target->to_sections; | |
1394 | ||
1395 | if (target->to_sections) | |
1396 | { | |
1397 | old_count = target->to_sections_end - target->to_sections; | |
1398 | target->to_sections = (struct section_table *) | |
1399 | xrealloc ((char *) target->to_sections, | |
1400 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1401 | } | |
1402 | else | |
1403 | { | |
1404 | old_count = 0; | |
1405 | target->to_sections = (struct section_table *) | |
1406 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1407 | } | |
1408 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1409 | ||
1410 | /* Check to see if anyone else was pointing to this structure. | |
1411 | If old_value was null, then no one was. */ | |
1412 | ||
1413 | if (old_value) | |
1414 | { | |
1415 | for (t = target_structs; t < target_structs + target_struct_size; | |
1416 | ++t) | |
1417 | { | |
1418 | if ((*t)->to_sections == old_value) | |
1419 | { | |
1420 | (*t)->to_sections = target->to_sections; | |
1421 | (*t)->to_sections_end = target->to_sections_end; | |
1422 | } | |
1423 | } | |
1424 | } | |
1425 | ||
1426 | return old_count; | |
1427 | ||
1428 | } | |
1429 | ||
07cd4b97 JB |
1430 | /* Remove all target sections taken from ABFD. |
1431 | ||
1432 | Scan the current target stack for targets whose section tables | |
1433 | refer to sections from BFD, and remove those sections. We use this | |
1434 | when we notice that the inferior has unloaded a shared object, for | |
1435 | example. */ | |
1436 | void | |
1437 | remove_target_sections (bfd *abfd) | |
1438 | { | |
1439 | struct target_ops **t; | |
1440 | ||
1441 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1442 | { | |
1443 | struct section_table *src, *dest; | |
1444 | ||
1445 | dest = (*t)->to_sections; | |
1446 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1447 | if (src->bfd != abfd) | |
1448 | { | |
1449 | /* Keep this section. */ | |
1450 | if (dest < src) *dest = *src; | |
1451 | dest++; | |
1452 | } | |
1453 | ||
1454 | /* If we've dropped any sections, resize the section table. */ | |
1455 | if (dest < src) | |
1456 | target_resize_to_sections (*t, dest - src); | |
1457 | } | |
1458 | } | |
1459 | ||
1460 | ||
1461 | ||
1462 | ||
7a292a7a SS |
1463 | /* Find a single runnable target in the stack and return it. If for |
1464 | some reason there is more than one, return NULL. */ | |
1465 | ||
1466 | struct target_ops * | |
fba45db2 | 1467 | find_run_target (void) |
7a292a7a SS |
1468 | { |
1469 | struct target_ops **t; | |
1470 | struct target_ops *runable = NULL; | |
1471 | int count; | |
c5aa993b | 1472 | |
7a292a7a | 1473 | count = 0; |
c5aa993b | 1474 | |
7a292a7a SS |
1475 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1476 | { | |
c5aa993b | 1477 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1478 | { |
1479 | runable = *t; | |
1480 | ++count; | |
1481 | } | |
1482 | } | |
c5aa993b | 1483 | |
7a292a7a SS |
1484 | return (count == 1 ? runable : NULL); |
1485 | } | |
1486 | ||
ed9a39eb JM |
1487 | /* Find a single core_stratum target in the list of targets and return it. |
1488 | If for some reason there is more than one, return NULL. */ | |
1489 | ||
c906108c | 1490 | struct target_ops * |
fba45db2 | 1491 | find_core_target (void) |
c906108c SS |
1492 | { |
1493 | struct target_ops **t; | |
1494 | struct target_ops *runable = NULL; | |
1495 | int count; | |
c5aa993b | 1496 | |
c906108c | 1497 | count = 0; |
c5aa993b | 1498 | |
c906108c SS |
1499 | for (t = target_structs; t < target_structs + target_struct_size; |
1500 | ++t) | |
1501 | { | |
1502 | if ((*t)->to_stratum == core_stratum) | |
1503 | { | |
1504 | runable = *t; | |
1505 | ++count; | |
1506 | } | |
1507 | } | |
c5aa993b JM |
1508 | |
1509 | return (count == 1 ? runable : NULL); | |
c906108c | 1510 | } |
ed9a39eb JM |
1511 | |
1512 | /* | |
1513 | * Find the next target down the stack from the specified target. | |
1514 | */ | |
1515 | ||
1516 | struct target_ops * | |
fba45db2 | 1517 | find_target_beneath (struct target_ops *t) |
ed9a39eb | 1518 | { |
258b763a | 1519 | return t->beneath; |
ed9a39eb JM |
1520 | } |
1521 | ||
c906108c SS |
1522 | \f |
1523 | /* The inferior process has died. Long live the inferior! */ | |
1524 | ||
1525 | void | |
fba45db2 | 1526 | generic_mourn_inferior (void) |
c906108c SS |
1527 | { |
1528 | extern int show_breakpoint_hit_counts; | |
1529 | ||
39f77062 | 1530 | inferior_ptid = null_ptid; |
c906108c SS |
1531 | attach_flag = 0; |
1532 | breakpoint_init_inferior (inf_exited); | |
1533 | registers_changed (); | |
1534 | ||
1535 | #ifdef CLEAR_DEFERRED_STORES | |
1536 | /* Delete any pending stores to the inferior... */ | |
1537 | CLEAR_DEFERRED_STORES; | |
1538 | #endif | |
1539 | ||
1540 | reopen_exec_file (); | |
1541 | reinit_frame_cache (); | |
1542 | ||
1543 | /* It is confusing to the user for ignore counts to stick around | |
1544 | from previous runs of the inferior. So clear them. */ | |
1545 | /* However, it is more confusing for the ignore counts to disappear when | |
1546 | using hit counts. So don't clear them if we're counting hits. */ | |
1547 | if (!show_breakpoint_hit_counts) | |
1548 | breakpoint_clear_ignore_counts (); | |
c5b739b5 FN |
1549 | |
1550 | if (detach_hook) | |
1551 | detach_hook (); | |
c906108c SS |
1552 | } |
1553 | \f | |
c906108c SS |
1554 | /* Helper function for child_wait and the Lynx derivatives of child_wait. |
1555 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1556 | translation of that in OURSTATUS. */ | |
1557 | void | |
fba45db2 | 1558 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c SS |
1559 | { |
1560 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1561 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1562 | if it wants to deal with hoststatus. */ | |
1563 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1564 | return; | |
1565 | #endif | |
1566 | ||
1567 | if (WIFEXITED (hoststatus)) | |
1568 | { | |
1569 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1570 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1571 | } | |
1572 | else if (!WIFSTOPPED (hoststatus)) | |
1573 | { | |
1574 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1575 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1576 | } | |
1577 | else | |
1578 | { | |
1579 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1580 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1581 | } | |
1582 | } | |
1583 | \f | |
c906108c | 1584 | /* Returns zero to leave the inferior alone, one to interrupt it. */ |
507f3c78 | 1585 | int (*target_activity_function) (void); |
c906108c SS |
1586 | int target_activity_fd; |
1587 | \f | |
1588 | /* Convert a normal process ID to a string. Returns the string in a static | |
1589 | buffer. */ | |
1590 | ||
1591 | char * | |
39f77062 | 1592 | normal_pid_to_str (ptid_t ptid) |
c906108c SS |
1593 | { |
1594 | static char buf[30]; | |
1595 | ||
39f77062 | 1596 | sprintf (buf, "process %d", PIDGET (ptid)); |
c906108c SS |
1597 | return buf; |
1598 | } | |
1599 | ||
1600 | /* Some targets (such as ttrace-based HPUX) don't allow us to request | |
1601 | notification of inferior events such as fork and vork immediately | |
1602 | after the inferior is created. (This because of how gdb gets an | |
1603 | inferior created via invoking a shell to do it. In such a scenario, | |
1604 | if the shell init file has commands in it, the shell will fork and | |
1605 | exec for each of those commands, and we will see each such fork | |
1606 | event. Very bad.) | |
c5aa993b | 1607 | |
c906108c SS |
1608 | This function is used by all targets that allow us to request |
1609 | notification of forks, etc at inferior creation time; e.g., in | |
1610 | target_acknowledge_forked_child. | |
c5aa993b | 1611 | */ |
392a587b | 1612 | static void |
39f77062 | 1613 | normal_target_post_startup_inferior (ptid_t ptid) |
c906108c SS |
1614 | { |
1615 | /* This space intentionally left blank. */ | |
1616 | } | |
1617 | ||
be4d1333 | 1618 | /* Error-catcher for target_find_memory_regions */ |
be4d1333 MS |
1619 | static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2) |
1620 | { | |
1621 | error ("No target."); | |
1622 | return 0; | |
1623 | } | |
1624 | ||
1625 | /* Error-catcher for target_make_corefile_notes */ | |
be4d1333 MS |
1626 | static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2) |
1627 | { | |
1628 | error ("No target."); | |
1629 | return NULL; | |
1630 | } | |
1631 | ||
c906108c SS |
1632 | /* Set up the handful of non-empty slots needed by the dummy target |
1633 | vector. */ | |
1634 | ||
1635 | static void | |
fba45db2 | 1636 | init_dummy_target (void) |
c906108c SS |
1637 | { |
1638 | dummy_target.to_shortname = "None"; | |
1639 | dummy_target.to_longname = "None"; | |
1640 | dummy_target.to_doc = ""; | |
1641 | dummy_target.to_attach = find_default_attach; | |
c906108c | 1642 | dummy_target.to_create_inferior = find_default_create_inferior; |
ed9a39eb | 1643 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c | 1644 | dummy_target.to_stratum = dummy_stratum; |
be4d1333 MS |
1645 | dummy_target.to_find_memory_regions = dummy_find_memory_regions; |
1646 | dummy_target.to_make_corefile_notes = dummy_make_corefile_notes; | |
c906108c SS |
1647 | dummy_target.to_magic = OPS_MAGIC; |
1648 | } | |
c906108c | 1649 | \f |
c5aa993b | 1650 | |
c906108c SS |
1651 | static struct target_ops debug_target; |
1652 | ||
1653 | static void | |
fba45db2 | 1654 | debug_to_open (char *args, int from_tty) |
c906108c SS |
1655 | { |
1656 | debug_target.to_open (args, from_tty); | |
1657 | ||
96baa820 | 1658 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
1659 | } |
1660 | ||
1661 | static void | |
fba45db2 | 1662 | debug_to_close (int quitting) |
c906108c | 1663 | { |
f1c07ab0 | 1664 | target_close (&debug_target, quitting); |
96baa820 | 1665 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
1666 | } |
1667 | ||
f1c07ab0 AC |
1668 | void |
1669 | target_close (struct target_ops *targ, int quitting) | |
1670 | { | |
1671 | if (targ->to_xclose != NULL) | |
1672 | targ->to_xclose (targ, quitting); | |
1673 | else if (targ->to_close != NULL) | |
1674 | targ->to_close (quitting); | |
1675 | } | |
1676 | ||
c906108c | 1677 | static void |
fba45db2 | 1678 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
1679 | { |
1680 | debug_target.to_attach (args, from_tty); | |
1681 | ||
96baa820 | 1682 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
1683 | } |
1684 | ||
1685 | ||
1686 | static void | |
fba45db2 | 1687 | debug_to_post_attach (int pid) |
c906108c SS |
1688 | { |
1689 | debug_target.to_post_attach (pid); | |
1690 | ||
96baa820 | 1691 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
1692 | } |
1693 | ||
c906108c | 1694 | static void |
fba45db2 | 1695 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
1696 | { |
1697 | debug_target.to_detach (args, from_tty); | |
1698 | ||
96baa820 | 1699 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
1700 | } |
1701 | ||
6ad8ae5c DJ |
1702 | static void |
1703 | debug_to_disconnect (char *args, int from_tty) | |
1704 | { | |
1705 | debug_target.to_disconnect (args, from_tty); | |
1706 | ||
1707 | fprintf_unfiltered (gdb_stdlog, "target_disconnect (%s, %d)\n", | |
1708 | args, from_tty); | |
1709 | } | |
1710 | ||
c906108c | 1711 | static void |
39f77062 | 1712 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 1713 | { |
39f77062 | 1714 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 1715 | |
39f77062 | 1716 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
1717 | step ? "step" : "continue", |
1718 | target_signal_to_name (siggnal)); | |
1719 | } | |
1720 | ||
39f77062 KB |
1721 | static ptid_t |
1722 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 1723 | { |
39f77062 | 1724 | ptid_t retval; |
c906108c | 1725 | |
39f77062 | 1726 | retval = debug_target.to_wait (ptid, status); |
c906108c | 1727 | |
96baa820 | 1728 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
1729 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
1730 | PIDGET (retval)); | |
96baa820 | 1731 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
1732 | switch (status->kind) |
1733 | { | |
1734 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 1735 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
1736 | status->value.integer); |
1737 | break; | |
1738 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 1739 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
1740 | target_signal_to_name (status->value.sig)); |
1741 | break; | |
1742 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 1743 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
1744 | target_signal_to_name (status->value.sig)); |
1745 | break; | |
1746 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 1747 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
1748 | break; |
1749 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 1750 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
1751 | break; |
1752 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 1753 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
1754 | break; |
1755 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 1756 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
1757 | break; |
1758 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 1759 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
1760 | break; |
1761 | default: | |
96baa820 | 1762 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
1763 | break; |
1764 | } | |
1765 | ||
1766 | return retval; | |
1767 | } | |
1768 | ||
1769 | static void | |
39f77062 | 1770 | debug_to_post_wait (ptid_t ptid, int status) |
c906108c | 1771 | { |
39f77062 | 1772 | debug_target.to_post_wait (ptid, status); |
c906108c | 1773 | |
96baa820 | 1774 | fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n", |
39f77062 | 1775 | PIDGET (ptid), status); |
c906108c SS |
1776 | } |
1777 | ||
bf0c5130 AC |
1778 | static void |
1779 | debug_print_register (const char * func, int regno) | |
1780 | { | |
1781 | fprintf_unfiltered (gdb_stdlog, "%s ", func); | |
1782 | if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS | |
1783 | && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0') | |
1784 | fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno)); | |
1785 | else | |
1786 | fprintf_unfiltered (gdb_stdlog, "(%d)", regno); | |
1787 | if (regno >= 0) | |
1788 | { | |
1789 | int i; | |
d9d9c31f | 1790 | unsigned char buf[MAX_REGISTER_SIZE]; |
4caf0990 | 1791 | deprecated_read_register_gen (regno, buf); |
bf0c5130 | 1792 | fprintf_unfiltered (gdb_stdlog, " = "); |
12c266ea | 1793 | for (i = 0; i < DEPRECATED_REGISTER_RAW_SIZE (regno); i++) |
bf0c5130 AC |
1794 | { |
1795 | fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]); | |
1796 | } | |
12c266ea | 1797 | if (DEPRECATED_REGISTER_RAW_SIZE (regno) <= sizeof (LONGEST)) |
bf0c5130 AC |
1798 | { |
1799 | fprintf_unfiltered (gdb_stdlog, " 0x%s %s", | |
1800 | paddr_nz (read_register (regno)), | |
1801 | paddr_d (read_register (regno))); | |
1802 | } | |
1803 | } | |
1804 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
1805 | } | |
1806 | ||
c906108c | 1807 | static void |
fba45db2 | 1808 | debug_to_fetch_registers (int regno) |
c906108c SS |
1809 | { |
1810 | debug_target.to_fetch_registers (regno); | |
bf0c5130 | 1811 | debug_print_register ("target_fetch_registers", regno); |
c906108c SS |
1812 | } |
1813 | ||
1814 | static void | |
fba45db2 | 1815 | debug_to_store_registers (int regno) |
c906108c SS |
1816 | { |
1817 | debug_target.to_store_registers (regno); | |
bf0c5130 AC |
1818 | debug_print_register ("target_store_registers", regno); |
1819 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
c906108c SS |
1820 | } |
1821 | ||
1822 | static void | |
fba45db2 | 1823 | debug_to_prepare_to_store (void) |
c906108c SS |
1824 | { |
1825 | debug_target.to_prepare_to_store (); | |
1826 | ||
96baa820 | 1827 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
1828 | } |
1829 | ||
1830 | static int | |
fba45db2 | 1831 | debug_to_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
29e57380 | 1832 | struct mem_attrib *attrib, |
fba45db2 | 1833 | struct target_ops *target) |
c906108c SS |
1834 | { |
1835 | int retval; | |
1836 | ||
29e57380 C |
1837 | retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, |
1838 | attrib, target); | |
c906108c | 1839 | |
96baa820 | 1840 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 1841 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 1842 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
1843 | len, write ? "write" : "read", retval); |
1844 | ||
c5aa993b | 1845 | |
c906108c SS |
1846 | |
1847 | if (retval > 0) | |
1848 | { | |
1849 | int i; | |
1850 | ||
96baa820 | 1851 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
1852 | for (i = 0; i < retval; i++) |
1853 | { | |
1854 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
96baa820 JM |
1855 | fprintf_unfiltered (gdb_stdlog, "\n"); |
1856 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); | |
c906108c SS |
1857 | } |
1858 | } | |
1859 | ||
96baa820 | 1860 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
1861 | |
1862 | return retval; | |
1863 | } | |
1864 | ||
1865 | static void | |
fba45db2 | 1866 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
1867 | { |
1868 | debug_target.to_files_info (target); | |
1869 | ||
96baa820 | 1870 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
1871 | } |
1872 | ||
1873 | static int | |
fba45db2 | 1874 | debug_to_insert_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1875 | { |
1876 | int retval; | |
1877 | ||
1878 | retval = debug_target.to_insert_breakpoint (addr, save); | |
1879 | ||
96baa820 | 1880 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1881 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
1882 | (unsigned long) addr, | |
1883 | (unsigned long) retval); | |
c906108c SS |
1884 | return retval; |
1885 | } | |
1886 | ||
1887 | static int | |
fba45db2 | 1888 | debug_to_remove_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1889 | { |
1890 | int retval; | |
1891 | ||
1892 | retval = debug_target.to_remove_breakpoint (addr, save); | |
1893 | ||
96baa820 | 1894 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1895 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
1896 | (unsigned long) addr, | |
1897 | (unsigned long) retval); | |
c906108c SS |
1898 | return retval; |
1899 | } | |
1900 | ||
ccaa32c7 GS |
1901 | static int |
1902 | debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty) | |
1903 | { | |
1904 | int retval; | |
1905 | ||
1906 | retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty); | |
1907 | ||
1908 | fprintf_unfiltered (gdb_stdlog, | |
1909 | "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n", | |
1910 | (unsigned long) type, | |
1911 | (unsigned long) cnt, | |
1912 | (unsigned long) from_tty, | |
1913 | (unsigned long) retval); | |
1914 | return retval; | |
1915 | } | |
1916 | ||
1917 | static int | |
1918 | debug_to_region_size_ok_for_hw_watchpoint (int byte_count) | |
1919 | { | |
1920 | CORE_ADDR retval; | |
1921 | ||
1922 | retval = debug_target.to_region_size_ok_for_hw_watchpoint (byte_count); | |
1923 | ||
1924 | fprintf_unfiltered (gdb_stdlog, | |
1925 | "TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (%ld) = 0x%lx\n", | |
1926 | (unsigned long) byte_count, | |
1927 | (unsigned long) retval); | |
1928 | return retval; | |
1929 | } | |
1930 | ||
1931 | static int | |
1932 | debug_to_stopped_by_watchpoint (void) | |
1933 | { | |
1934 | int retval; | |
1935 | ||
1936 | retval = debug_target.to_stopped_by_watchpoint (); | |
1937 | ||
1938 | fprintf_unfiltered (gdb_stdlog, | |
1939 | "STOPPED_BY_WATCHPOINT () = %ld\n", | |
1940 | (unsigned long) retval); | |
1941 | return retval; | |
1942 | } | |
1943 | ||
1944 | static CORE_ADDR | |
1945 | debug_to_stopped_data_address (void) | |
1946 | { | |
1947 | CORE_ADDR retval; | |
1948 | ||
1949 | retval = debug_target.to_stopped_data_address (); | |
1950 | ||
1951 | fprintf_unfiltered (gdb_stdlog, | |
1952 | "target_stopped_data_address () = 0x%lx\n", | |
1953 | (unsigned long) retval); | |
1954 | return retval; | |
1955 | } | |
1956 | ||
1957 | static int | |
1958 | debug_to_insert_hw_breakpoint (CORE_ADDR addr, char *save) | |
1959 | { | |
1960 | int retval; | |
1961 | ||
1962 | retval = debug_target.to_insert_hw_breakpoint (addr, save); | |
1963 | ||
1964 | fprintf_unfiltered (gdb_stdlog, | |
1965 | "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1966 | (unsigned long) addr, | |
1967 | (unsigned long) retval); | |
1968 | return retval; | |
1969 | } | |
1970 | ||
1971 | static int | |
1972 | debug_to_remove_hw_breakpoint (CORE_ADDR addr, char *save) | |
1973 | { | |
1974 | int retval; | |
1975 | ||
1976 | retval = debug_target.to_remove_hw_breakpoint (addr, save); | |
1977 | ||
1978 | fprintf_unfiltered (gdb_stdlog, | |
1979 | "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1980 | (unsigned long) addr, | |
1981 | (unsigned long) retval); | |
1982 | return retval; | |
1983 | } | |
1984 | ||
1985 | static int | |
1986 | debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type) | |
1987 | { | |
1988 | int retval; | |
1989 | ||
1990 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1991 | ||
1992 | fprintf_unfiltered (gdb_stdlog, | |
1993 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
1994 | (unsigned long) addr, len, type, (unsigned long) retval); | |
1995 | return retval; | |
1996 | } | |
1997 | ||
1998 | static int | |
1999 | debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type) | |
2000 | { | |
2001 | int retval; | |
2002 | ||
2003 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
2004 | ||
2005 | fprintf_unfiltered (gdb_stdlog, | |
2006 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
2007 | (unsigned long) addr, len, type, (unsigned long) retval); | |
2008 | return retval; | |
2009 | } | |
2010 | ||
c906108c | 2011 | static void |
fba45db2 | 2012 | debug_to_terminal_init (void) |
c906108c SS |
2013 | { |
2014 | debug_target.to_terminal_init (); | |
2015 | ||
96baa820 | 2016 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
2017 | } |
2018 | ||
2019 | static void | |
fba45db2 | 2020 | debug_to_terminal_inferior (void) |
c906108c SS |
2021 | { |
2022 | debug_target.to_terminal_inferior (); | |
2023 | ||
96baa820 | 2024 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
2025 | } |
2026 | ||
2027 | static void | |
fba45db2 | 2028 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
2029 | { |
2030 | debug_target.to_terminal_ours_for_output (); | |
2031 | ||
96baa820 | 2032 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
2033 | } |
2034 | ||
2035 | static void | |
fba45db2 | 2036 | debug_to_terminal_ours (void) |
c906108c SS |
2037 | { |
2038 | debug_target.to_terminal_ours (); | |
2039 | ||
96baa820 | 2040 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
2041 | } |
2042 | ||
a790ad35 SC |
2043 | static void |
2044 | debug_to_terminal_save_ours (void) | |
2045 | { | |
2046 | debug_target.to_terminal_save_ours (); | |
2047 | ||
2048 | fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n"); | |
2049 | } | |
2050 | ||
c906108c | 2051 | static void |
fba45db2 | 2052 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
2053 | { |
2054 | debug_target.to_terminal_info (arg, from_tty); | |
2055 | ||
96baa820 | 2056 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
2057 | from_tty); |
2058 | } | |
2059 | ||
2060 | static void | |
fba45db2 | 2061 | debug_to_kill (void) |
c906108c SS |
2062 | { |
2063 | debug_target.to_kill (); | |
2064 | ||
96baa820 | 2065 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
2066 | } |
2067 | ||
2068 | static void | |
fba45db2 | 2069 | debug_to_load (char *args, int from_tty) |
c906108c SS |
2070 | { |
2071 | debug_target.to_load (args, from_tty); | |
2072 | ||
96baa820 | 2073 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
2074 | } |
2075 | ||
2076 | static int | |
fba45db2 | 2077 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
2078 | { |
2079 | int retval; | |
2080 | ||
2081 | retval = debug_target.to_lookup_symbol (name, addrp); | |
2082 | ||
96baa820 | 2083 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
2084 | |
2085 | return retval; | |
2086 | } | |
2087 | ||
2088 | static void | |
fba45db2 | 2089 | debug_to_create_inferior (char *exec_file, char *args, char **env) |
c906108c SS |
2090 | { |
2091 | debug_target.to_create_inferior (exec_file, args, env); | |
2092 | ||
96baa820 | 2093 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx)\n", |
c906108c SS |
2094 | exec_file, args); |
2095 | } | |
2096 | ||
2097 | static void | |
39f77062 | 2098 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 2099 | { |
39f77062 | 2100 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 2101 | |
96baa820 | 2102 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 2103 | PIDGET (ptid)); |
c906108c SS |
2104 | } |
2105 | ||
2106 | static void | |
fba45db2 | 2107 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
2108 | { |
2109 | debug_target.to_acknowledge_created_inferior (pid); | |
2110 | ||
96baa820 | 2111 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
2112 | pid); |
2113 | } | |
2114 | ||
c906108c | 2115 | static int |
fba45db2 | 2116 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 2117 | { |
c5aa993b | 2118 | int retval; |
c906108c SS |
2119 | |
2120 | retval = debug_target.to_insert_fork_catchpoint (pid); | |
2121 | ||
96baa820 | 2122 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2123 | pid, retval); |
c906108c SS |
2124 | |
2125 | return retval; | |
2126 | } | |
2127 | ||
2128 | static int | |
fba45db2 | 2129 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 2130 | { |
c5aa993b | 2131 | int retval; |
c906108c SS |
2132 | |
2133 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
2134 | ||
96baa820 | 2135 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2136 | pid, retval); |
c906108c SS |
2137 | |
2138 | return retval; | |
2139 | } | |
2140 | ||
2141 | static int | |
fba45db2 | 2142 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 2143 | { |
c5aa993b | 2144 | int retval; |
c906108c SS |
2145 | |
2146 | retval = debug_target.to_insert_vfork_catchpoint (pid); | |
2147 | ||
96baa820 | 2148 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n", |
c5aa993b | 2149 | pid, retval); |
c906108c SS |
2150 | |
2151 | return retval; | |
2152 | } | |
2153 | ||
2154 | static int | |
fba45db2 | 2155 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 2156 | { |
c5aa993b | 2157 | int retval; |
c906108c SS |
2158 | |
2159 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2160 | ||
96baa820 | 2161 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 2162 | pid, retval); |
c906108c SS |
2163 | |
2164 | return retval; | |
2165 | } | |
2166 | ||
6604731b DJ |
2167 | static int |
2168 | debug_to_follow_fork (int follow_child) | |
c906108c | 2169 | { |
6604731b | 2170 | int retval = debug_target.to_follow_fork (follow_child); |
c906108c | 2171 | |
6604731b DJ |
2172 | fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n", |
2173 | follow_child, retval); | |
2174 | ||
2175 | return retval; | |
c906108c SS |
2176 | } |
2177 | ||
2178 | static int | |
fba45db2 | 2179 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 2180 | { |
c5aa993b | 2181 | int retval; |
c906108c SS |
2182 | |
2183 | retval = debug_target.to_insert_exec_catchpoint (pid); | |
2184 | ||
96baa820 | 2185 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2186 | pid, retval); |
c906108c SS |
2187 | |
2188 | return retval; | |
2189 | } | |
2190 | ||
2191 | static int | |
fba45db2 | 2192 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 2193 | { |
c5aa993b | 2194 | int retval; |
c906108c SS |
2195 | |
2196 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2197 | ||
96baa820 | 2198 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2199 | pid, retval); |
c906108c SS |
2200 | |
2201 | return retval; | |
2202 | } | |
2203 | ||
c906108c | 2204 | static int |
fba45db2 | 2205 | debug_to_reported_exec_events_per_exec_call (void) |
c906108c | 2206 | { |
c5aa993b | 2207 | int reported_exec_events; |
c906108c SS |
2208 | |
2209 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
2210 | ||
96baa820 | 2211 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2212 | "target_reported_exec_events_per_exec_call () = %d\n", |
c5aa993b | 2213 | reported_exec_events); |
c906108c SS |
2214 | |
2215 | return reported_exec_events; | |
2216 | } | |
2217 | ||
c906108c | 2218 | static int |
fba45db2 | 2219 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2220 | { |
c5aa993b | 2221 | int has_exited; |
c906108c SS |
2222 | |
2223 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2224 | ||
96baa820 | 2225 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2226 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2227 | |
2228 | return has_exited; | |
2229 | } | |
2230 | ||
2231 | static void | |
fba45db2 | 2232 | debug_to_mourn_inferior (void) |
c906108c SS |
2233 | { |
2234 | debug_target.to_mourn_inferior (); | |
2235 | ||
96baa820 | 2236 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2237 | } |
2238 | ||
2239 | static int | |
fba45db2 | 2240 | debug_to_can_run (void) |
c906108c SS |
2241 | { |
2242 | int retval; | |
2243 | ||
2244 | retval = debug_target.to_can_run (); | |
2245 | ||
96baa820 | 2246 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2247 | |
2248 | return retval; | |
2249 | } | |
2250 | ||
2251 | static void | |
39f77062 | 2252 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2253 | { |
39f77062 | 2254 | debug_target.to_notice_signals (ptid); |
c906108c | 2255 | |
39f77062 KB |
2256 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2257 | PIDGET (ptid)); | |
c906108c SS |
2258 | } |
2259 | ||
2260 | static int | |
39f77062 | 2261 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2262 | { |
2263 | int retval; | |
2264 | ||
39f77062 | 2265 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2266 | |
96baa820 | 2267 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2268 | PIDGET (ptid), retval); |
c906108c SS |
2269 | |
2270 | return retval; | |
2271 | } | |
2272 | ||
0d06e24b | 2273 | static void |
fba45db2 | 2274 | debug_to_find_new_threads (void) |
0d06e24b JM |
2275 | { |
2276 | debug_target.to_find_new_threads (); | |
2277 | ||
2278 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2279 | } | |
2280 | ||
c906108c | 2281 | static void |
fba45db2 | 2282 | debug_to_stop (void) |
c906108c SS |
2283 | { |
2284 | debug_target.to_stop (); | |
2285 | ||
96baa820 | 2286 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2287 | } |
2288 | ||
1e3ff5ad | 2289 | static LONGEST |
4b8a223f | 2290 | debug_to_xfer_partial (struct target_ops *ops, |
1e3ff5ad | 2291 | enum target_object object, |
4b8a223f AC |
2292 | const char *annex, const void *writebuf, |
2293 | void *readbuf, ULONGEST offset, LONGEST len) | |
1e3ff5ad AC |
2294 | { |
2295 | LONGEST retval; | |
2296 | ||
4b8a223f AC |
2297 | retval = debug_target.to_xfer_partial (&debug_target, object, annex, |
2298 | writebuf, readbuf, offset, len); | |
1e3ff5ad AC |
2299 | |
2300 | fprintf_unfiltered (gdb_stdlog, | |
4b8a223f | 2301 | "target_xfer_partial (%d, %s, 0x%lx, 0x%lx, 0x%s, %s) = %s\n", |
1e3ff5ad | 2302 | (int) object, (annex ? annex : "(null)"), |
4b8a223f | 2303 | (long) writebuf, (long) readbuf, paddr_nz (offset), |
1e3ff5ad | 2304 | paddr_d (len), paddr_d (retval)); |
c906108c SS |
2305 | |
2306 | return retval; | |
2307 | } | |
2308 | ||
96baa820 JM |
2309 | static void |
2310 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2311 | struct ui_file *outbuf) |
96baa820 JM |
2312 | { |
2313 | debug_target.to_rcmd (command, outbuf); | |
2314 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2315 | } | |
2316 | ||
c906108c | 2317 | static struct symtab_and_line * |
fba45db2 | 2318 | debug_to_enable_exception_callback (enum exception_event_kind kind, int enable) |
c906108c | 2319 | { |
7a292a7a SS |
2320 | struct symtab_and_line *result; |
2321 | result = debug_target.to_enable_exception_callback (kind, enable); | |
96baa820 | 2322 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2323 | "target get_exception_callback_sal (%d, %d)\n", |
2324 | kind, enable); | |
7a292a7a | 2325 | return result; |
c906108c SS |
2326 | } |
2327 | ||
2328 | static struct exception_event_record * | |
fba45db2 | 2329 | debug_to_get_current_exception_event (void) |
c906108c | 2330 | { |
7a292a7a | 2331 | struct exception_event_record *result; |
c5aa993b | 2332 | result = debug_target.to_get_current_exception_event (); |
96baa820 | 2333 | fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n"); |
7a292a7a | 2334 | return result; |
c906108c SS |
2335 | } |
2336 | ||
2337 | static char * | |
fba45db2 | 2338 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2339 | { |
c5aa993b | 2340 | char *exec_file; |
c906108c SS |
2341 | |
2342 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2343 | ||
96baa820 | 2344 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2345 | pid, exec_file); |
c906108c SS |
2346 | |
2347 | return exec_file; | |
2348 | } | |
2349 | ||
c906108c | 2350 | static void |
fba45db2 | 2351 | setup_target_debug (void) |
c906108c SS |
2352 | { |
2353 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2354 | ||
2355 | current_target.to_open = debug_to_open; | |
2356 | current_target.to_close = debug_to_close; | |
2357 | current_target.to_attach = debug_to_attach; | |
2358 | current_target.to_post_attach = debug_to_post_attach; | |
c906108c | 2359 | current_target.to_detach = debug_to_detach; |
6ad8ae5c | 2360 | current_target.to_disconnect = debug_to_disconnect; |
c906108c SS |
2361 | current_target.to_resume = debug_to_resume; |
2362 | current_target.to_wait = debug_to_wait; | |
2363 | current_target.to_post_wait = debug_to_post_wait; | |
2364 | current_target.to_fetch_registers = debug_to_fetch_registers; | |
2365 | current_target.to_store_registers = debug_to_store_registers; | |
2366 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
2367 | current_target.to_xfer_memory = debug_to_xfer_memory; | |
2368 | current_target.to_files_info = debug_to_files_info; | |
2369 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2370 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
ccaa32c7 GS |
2371 | current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint; |
2372 | current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint; | |
2373 | current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint; | |
2374 | current_target.to_insert_watchpoint = debug_to_insert_watchpoint; | |
2375 | current_target.to_remove_watchpoint = debug_to_remove_watchpoint; | |
2376 | current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint; | |
2377 | current_target.to_stopped_data_address = debug_to_stopped_data_address; | |
2378 | current_target.to_region_size_ok_for_hw_watchpoint = debug_to_region_size_ok_for_hw_watchpoint; | |
c906108c SS |
2379 | current_target.to_terminal_init = debug_to_terminal_init; |
2380 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2381 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2382 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
a790ad35 | 2383 | current_target.to_terminal_save_ours = debug_to_terminal_save_ours; |
c906108c SS |
2384 | current_target.to_terminal_info = debug_to_terminal_info; |
2385 | current_target.to_kill = debug_to_kill; | |
2386 | current_target.to_load = debug_to_load; | |
2387 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2388 | current_target.to_create_inferior = debug_to_create_inferior; | |
2389 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2390 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
c906108c SS |
2391 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; |
2392 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2393 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2394 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
6604731b | 2395 | current_target.to_follow_fork = debug_to_follow_fork; |
c906108c SS |
2396 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; |
2397 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
c906108c | 2398 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; |
c906108c SS |
2399 | current_target.to_has_exited = debug_to_has_exited; |
2400 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2401 | current_target.to_can_run = debug_to_can_run; | |
2402 | current_target.to_notice_signals = debug_to_notice_signals; | |
2403 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 2404 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c | 2405 | current_target.to_stop = debug_to_stop; |
4b8a223f | 2406 | current_target.to_xfer_partial = debug_to_xfer_partial; |
96baa820 | 2407 | current_target.to_rcmd = debug_to_rcmd; |
c906108c SS |
2408 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
2409 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
2410 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
c906108c SS |
2411 | |
2412 | } | |
c906108c | 2413 | \f |
c5aa993b JM |
2414 | |
2415 | static char targ_desc[] = | |
2416 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
2417 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
2418 | core-file, and process, if any), as well as the symbol file name."; | |
2419 | ||
96baa820 JM |
2420 | static void |
2421 | do_monitor_command (char *cmd, | |
2422 | int from_tty) | |
2423 | { | |
2b5fe715 AC |
2424 | if ((current_target.to_rcmd |
2425 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 2426 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
2427 | && (debug_target.to_rcmd |
2428 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
96baa820 JM |
2429 | { |
2430 | error ("\"monitor\" command not supported by this target.\n"); | |
2431 | } | |
2432 | target_rcmd (cmd, gdb_stdtarg); | |
2433 | } | |
2434 | ||
c906108c | 2435 | void |
fba45db2 | 2436 | initialize_targets (void) |
c906108c SS |
2437 | { |
2438 | init_dummy_target (); | |
2439 | push_target (&dummy_target); | |
2440 | ||
2441 | add_info ("target", target_info, targ_desc); | |
2442 | add_info ("files", target_info, targ_desc); | |
2443 | ||
3a11626d MS |
2444 | add_show_from_set |
2445 | (add_set_cmd ("target", class_maintenance, var_zinteger, | |
2446 | (char *) &targetdebug, | |
2447 | "Set target debugging.\n\ | |
5d161b24 | 2448 | When non-zero, target debugging is enabled.", &setdebuglist), |
3a11626d MS |
2449 | &showdebuglist); |
2450 | ||
e707bbc2 AC |
2451 | add_setshow_boolean_cmd ("trust-readonly-sections", class_support, |
2452 | &trust_readonly, "\ | |
2453 | Set mode for reading from readonly sections.\n\ | |
3a11626d MS |
2454 | When this mode is on, memory reads from readonly sections (such as .text)\n\ |
2455 | will be read from the object file instead of from the target. This will\n\ | |
e707bbc2 | 2456 | result in significant performance improvement for remote targets.", "\ |
c0e624e7 | 2457 | Show mode for reading from readonly sections.\n", |
e707bbc2 AC |
2458 | NULL, NULL, |
2459 | &setlist, &showlist); | |
96baa820 JM |
2460 | |
2461 | add_com ("monitor", class_obscure, do_monitor_command, | |
2462 | "Send a command to the remote monitor (remote targets only)."); | |
2463 | ||
8add0441 | 2464 | target_dcache = dcache_init (); |
c906108c | 2465 | } |