Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Select target systems and architectures at runtime for GDB. |
7998dfc3 AC |
2 | |
3 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, | |
c6f0559b | 4 | 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. |
7998dfc3 | 5 | |
c906108c SS |
6 | Contributed by Cygnus Support. |
7 | ||
c5aa993b | 8 | This file is part of GDB. |
c906108c | 9 | |
c5aa993b JM |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
c906108c | 14 | |
c5aa993b JM |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
c906108c | 19 | |
c5aa993b JM |
20 | You should have received a copy of the GNU General Public License |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
24 | |
25 | #include "defs.h" | |
26 | #include <errno.h> | |
c906108c SS |
27 | #include "gdb_string.h" |
28 | #include "target.h" | |
29 | #include "gdbcmd.h" | |
30 | #include "symtab.h" | |
31 | #include "inferior.h" | |
32 | #include "bfd.h" | |
33 | #include "symfile.h" | |
34 | #include "objfiles.h" | |
03f2053f | 35 | #include "gdb_wait.h" |
4930751a | 36 | #include "dcache.h" |
c906108c | 37 | #include <signal.h> |
4e052eda | 38 | #include "regcache.h" |
0088c768 | 39 | #include "gdb_assert.h" |
b6591e8b | 40 | #include "gdbcore.h" |
c906108c | 41 | |
a14ed312 | 42 | static void target_info (char *, int); |
c906108c | 43 | |
a14ed312 | 44 | static void maybe_kill_then_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 | |
4b8a223f | 74 | static LONGEST default_xfer_partial (struct target_ops *ops, |
0088c768 | 75 | enum target_object object, |
8aa91c1e AC |
76 | const char *annex, void *readbuf, |
77 | const void *writebuf, | |
78 | ULONGEST offset, LONGEST len); | |
0088c768 | 79 | |
917317f4 JM |
80 | /* Transfer LEN bytes between target address MEMADDR and GDB address |
81 | MYADDR. Returns 0 for success, errno code for failure (which | |
82 | includes partial transfers -- if you want a more useful response to | |
83 | partial transfers, try either target_read_memory_partial or | |
84 | target_write_memory_partial). */ | |
c906108c | 85 | |
570b8f7c AC |
86 | static int target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, |
87 | int write); | |
c906108c | 88 | |
a14ed312 | 89 | static void init_dummy_target (void); |
c906108c | 90 | |
a14ed312 | 91 | static void debug_to_open (char *, int); |
c906108c | 92 | |
a14ed312 | 93 | static void debug_to_close (int); |
c906108c | 94 | |
a14ed312 | 95 | static void debug_to_attach (char *, int); |
c906108c | 96 | |
a14ed312 | 97 | static void debug_to_detach (char *, int); |
c906108c | 98 | |
6ad8ae5c DJ |
99 | static void debug_to_disconnect (char *, int); |
100 | ||
39f77062 | 101 | static void debug_to_resume (ptid_t, int, enum target_signal); |
c906108c | 102 | |
39f77062 | 103 | static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *); |
c906108c | 104 | |
a14ed312 | 105 | static void debug_to_fetch_registers (int); |
c906108c | 106 | |
a14ed312 | 107 | static void debug_to_store_registers (int); |
c906108c | 108 | |
a14ed312 | 109 | static void debug_to_prepare_to_store (void); |
c906108c | 110 | |
5ae5f592 AC |
111 | static int debug_to_xfer_memory (CORE_ADDR, char *, int, int, |
112 | struct mem_attrib *, struct target_ops *); | |
c906108c | 113 | |
a14ed312 | 114 | static void debug_to_files_info (struct target_ops *); |
c906108c | 115 | |
a14ed312 | 116 | static int debug_to_insert_breakpoint (CORE_ADDR, char *); |
c906108c | 117 | |
a14ed312 | 118 | static int debug_to_remove_breakpoint (CORE_ADDR, char *); |
c906108c | 119 | |
ccaa32c7 GS |
120 | static int debug_to_can_use_hw_breakpoint (int, int, int); |
121 | ||
122 | static int debug_to_insert_hw_breakpoint (CORE_ADDR, char *); | |
123 | ||
124 | static int debug_to_remove_hw_breakpoint (CORE_ADDR, char *); | |
125 | ||
126 | static int debug_to_insert_watchpoint (CORE_ADDR, int, int); | |
127 | ||
128 | static int debug_to_remove_watchpoint (CORE_ADDR, int, int); | |
129 | ||
130 | static int debug_to_stopped_by_watchpoint (void); | |
131 | ||
132 | static CORE_ADDR debug_to_stopped_data_address (void); | |
133 | ||
134 | static int debug_to_region_size_ok_for_hw_watchpoint (int); | |
135 | ||
a14ed312 | 136 | static void debug_to_terminal_init (void); |
c906108c | 137 | |
a14ed312 | 138 | static void debug_to_terminal_inferior (void); |
c906108c | 139 | |
a14ed312 | 140 | static void debug_to_terminal_ours_for_output (void); |
c906108c | 141 | |
a790ad35 SC |
142 | static void debug_to_terminal_save_ours (void); |
143 | ||
a14ed312 | 144 | static void debug_to_terminal_ours (void); |
c906108c | 145 | |
a14ed312 | 146 | static void debug_to_terminal_info (char *, int); |
c906108c | 147 | |
a14ed312 | 148 | static void debug_to_kill (void); |
c906108c | 149 | |
a14ed312 | 150 | static void debug_to_load (char *, int); |
c906108c | 151 | |
a14ed312 | 152 | static int debug_to_lookup_symbol (char *, CORE_ADDR *); |
c906108c | 153 | |
a14ed312 | 154 | static void debug_to_create_inferior (char *, char *, char **); |
c906108c | 155 | |
a14ed312 | 156 | static void debug_to_mourn_inferior (void); |
c906108c | 157 | |
a14ed312 | 158 | static int debug_to_can_run (void); |
c906108c | 159 | |
39f77062 | 160 | static void debug_to_notice_signals (ptid_t); |
c906108c | 161 | |
39f77062 | 162 | static int debug_to_thread_alive (ptid_t); |
c906108c | 163 | |
a14ed312 | 164 | static void debug_to_stop (void); |
c906108c | 165 | |
c906108c SS |
166 | /* Pointer to array of target architecture structures; the size of the |
167 | array; the current index into the array; the allocated size of the | |
168 | array. */ | |
169 | struct target_ops **target_structs; | |
170 | unsigned target_struct_size; | |
171 | unsigned target_struct_index; | |
172 | unsigned target_struct_allocsize; | |
173 | #define DEFAULT_ALLOCSIZE 10 | |
174 | ||
175 | /* The initial current target, so that there is always a semi-valid | |
176 | current target. */ | |
177 | ||
178 | static struct target_ops dummy_target; | |
179 | ||
180 | /* Top of target stack. */ | |
181 | ||
258b763a | 182 | static struct target_ops *target_stack; |
c906108c SS |
183 | |
184 | /* The target structure we are currently using to talk to a process | |
185 | or file or whatever "inferior" we have. */ | |
186 | ||
187 | struct target_ops current_target; | |
188 | ||
189 | /* Command list for target. */ | |
190 | ||
191 | static struct cmd_list_element *targetlist = NULL; | |
192 | ||
193 | /* Nonzero if we are debugging an attached outside process | |
194 | rather than an inferior. */ | |
195 | ||
196 | int attach_flag; | |
197 | ||
c906108c SS |
198 | /* Non-zero if we want to see trace of target level stuff. */ |
199 | ||
200 | static int targetdebug = 0; | |
201 | ||
a14ed312 | 202 | static void setup_target_debug (void); |
c906108c | 203 | |
4930751a C |
204 | DCACHE *target_dcache; |
205 | ||
c906108c SS |
206 | /* The user just typed 'target' without the name of a target. */ |
207 | ||
c906108c | 208 | static void |
fba45db2 | 209 | target_command (char *arg, int from_tty) |
c906108c SS |
210 | { |
211 | fputs_filtered ("Argument required (target name). Try `help target'\n", | |
212 | gdb_stdout); | |
213 | } | |
214 | ||
215 | /* Add a possible target architecture to the list. */ | |
216 | ||
217 | void | |
fba45db2 | 218 | add_target (struct target_ops *t) |
c906108c | 219 | { |
0088c768 | 220 | /* Provide default values for all "must have" methods. */ |
0b603eba AC |
221 | if (t->to_xfer_partial == NULL) |
222 | t->to_xfer_partial = default_xfer_partial; | |
0088c768 | 223 | |
c906108c SS |
224 | if (!target_structs) |
225 | { | |
226 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
227 | target_structs = (struct target_ops **) xmalloc | |
228 | (target_struct_allocsize * sizeof (*target_structs)); | |
229 | } | |
230 | if (target_struct_size >= target_struct_allocsize) | |
231 | { | |
232 | target_struct_allocsize *= 2; | |
233 | target_structs = (struct target_ops **) | |
c5aa993b JM |
234 | xrealloc ((char *) target_structs, |
235 | target_struct_allocsize * sizeof (*target_structs)); | |
c906108c SS |
236 | } |
237 | target_structs[target_struct_size++] = t; | |
c906108c SS |
238 | |
239 | if (targetlist == NULL) | |
240 | add_prefix_cmd ("target", class_run, target_command, | |
241 | "Connect to a target machine or process.\n\ | |
242 | The first argument is the type or protocol of the target machine.\n\ | |
243 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
244 | information on the arguments for a particular protocol, type\n\ | |
245 | `help target ' followed by the protocol name.", | |
246 | &targetlist, "target ", 0, &cmdlist); | |
247 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
248 | } | |
249 | ||
250 | /* Stub functions */ | |
251 | ||
252 | void | |
fba45db2 | 253 | target_ignore (void) |
c906108c SS |
254 | { |
255 | } | |
256 | ||
11cf8741 JM |
257 | void |
258 | target_load (char *arg, int from_tty) | |
259 | { | |
4930751a | 260 | dcache_invalidate (target_dcache); |
11cf8741 JM |
261 | (*current_target.to_load) (arg, from_tty); |
262 | } | |
263 | ||
c906108c | 264 | static int |
fba45db2 KB |
265 | nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
266 | struct target_ops *t) | |
c906108c | 267 | { |
c5aa993b JM |
268 | errno = EIO; /* Can't read/write this location */ |
269 | return 0; /* No bytes handled */ | |
c906108c SS |
270 | } |
271 | ||
272 | static void | |
fba45db2 | 273 | tcomplain (void) |
c906108c SS |
274 | { |
275 | error ("You can't do that when your target is `%s'", | |
276 | current_target.to_shortname); | |
277 | } | |
278 | ||
279 | void | |
fba45db2 | 280 | noprocess (void) |
c906108c SS |
281 | { |
282 | error ("You can't do that without a process to debug."); | |
283 | } | |
284 | ||
c906108c | 285 | static int |
fba45db2 | 286 | nosymbol (char *name, CORE_ADDR *addrp) |
c906108c | 287 | { |
c5aa993b | 288 | return 1; /* Symbol does not exist in target env */ |
c906108c SS |
289 | } |
290 | ||
392a587b | 291 | static void |
fba45db2 | 292 | nosupport_runtime (void) |
c906108c | 293 | { |
39f77062 | 294 | if (ptid_equal (inferior_ptid, null_ptid)) |
c906108c SS |
295 | noprocess (); |
296 | else | |
297 | error ("No run-time support for this"); | |
298 | } | |
299 | ||
300 | ||
c906108c | 301 | static void |
fba45db2 | 302 | default_terminal_info (char *args, int from_tty) |
c906108c | 303 | { |
c5aa993b | 304 | printf_unfiltered ("No saved terminal information.\n"); |
c906108c SS |
305 | } |
306 | ||
307 | /* This is the default target_create_inferior and target_attach function. | |
308 | If the current target is executing, it asks whether to kill it off. | |
309 | If this function returns without calling error(), it has killed off | |
310 | the target, and the operation should be attempted. */ | |
311 | ||
312 | static void | |
fba45db2 | 313 | kill_or_be_killed (int from_tty) |
c906108c SS |
314 | { |
315 | if (target_has_execution) | |
316 | { | |
317 | printf_unfiltered ("You are already running a program:\n"); | |
318 | target_files_info (); | |
c5aa993b JM |
319 | if (query ("Kill it? ")) |
320 | { | |
321 | target_kill (); | |
322 | if (target_has_execution) | |
323 | error ("Killing the program did not help."); | |
324 | return; | |
325 | } | |
326 | else | |
327 | { | |
328 | error ("Program not killed."); | |
329 | } | |
c906108c | 330 | } |
c5aa993b | 331 | tcomplain (); |
c906108c SS |
332 | } |
333 | ||
334 | static void | |
fba45db2 | 335 | maybe_kill_then_attach (char *args, int from_tty) |
c906108c SS |
336 | { |
337 | kill_or_be_killed (from_tty); | |
338 | target_attach (args, from_tty); | |
339 | } | |
340 | ||
341 | static void | |
fba45db2 | 342 | maybe_kill_then_create_inferior (char *exec, char *args, char **env) |
c906108c SS |
343 | { |
344 | kill_or_be_killed (0); | |
345 | target_create_inferior (exec, args, env); | |
346 | } | |
347 | ||
7998dfc3 AC |
348 | /* Go through the target stack from top to bottom, copying over zero |
349 | entries in current_target, then filling in still empty entries. In | |
350 | effect, we are doing class inheritance through the pushed target | |
351 | vectors. | |
352 | ||
353 | NOTE: cagney/2003-10-17: The problem with this inheritance, as it | |
354 | is currently implemented, is that it discards any knowledge of | |
355 | which target an inherited method originally belonged to. | |
356 | Consequently, new new target methods should instead explicitly and | |
357 | locally search the target stack for the target that can handle the | |
358 | request. */ | |
c906108c SS |
359 | |
360 | static void | |
7998dfc3 | 361 | update_current_target (void) |
c906108c | 362 | { |
7998dfc3 AC |
363 | struct target_ops *t; |
364 | ||
365 | /* First, reset curren'ts contents. */ | |
366 | memset (¤t_target, 0, sizeof (current_target)); | |
367 | ||
368 | #define INHERIT(FIELD, TARGET) \ | |
369 | if (!current_target.FIELD) \ | |
370 | current_target.FIELD = (TARGET)->FIELD | |
371 | ||
372 | for (t = target_stack; t; t = t->beneath) | |
373 | { | |
374 | INHERIT (to_shortname, t); | |
375 | INHERIT (to_longname, t); | |
376 | INHERIT (to_doc, t); | |
377 | INHERIT (to_open, t); | |
378 | INHERIT (to_close, t); | |
379 | INHERIT (to_attach, t); | |
380 | INHERIT (to_post_attach, t); | |
381 | INHERIT (to_detach, t); | |
382 | INHERIT (to_disconnect, t); | |
383 | INHERIT (to_resume, t); | |
384 | INHERIT (to_wait, t); | |
385 | INHERIT (to_post_wait, t); | |
386 | INHERIT (to_fetch_registers, t); | |
387 | INHERIT (to_store_registers, t); | |
388 | INHERIT (to_prepare_to_store, t); | |
389 | INHERIT (to_xfer_memory, t); | |
390 | INHERIT (to_files_info, t); | |
391 | INHERIT (to_insert_breakpoint, t); | |
392 | INHERIT (to_remove_breakpoint, t); | |
393 | INHERIT (to_can_use_hw_breakpoint, t); | |
394 | INHERIT (to_insert_hw_breakpoint, t); | |
395 | INHERIT (to_remove_hw_breakpoint, t); | |
396 | INHERIT (to_insert_watchpoint, t); | |
397 | INHERIT (to_remove_watchpoint, t); | |
398 | INHERIT (to_stopped_data_address, t); | |
399 | INHERIT (to_stopped_by_watchpoint, t); | |
400 | INHERIT (to_have_continuable_watchpoint, t); | |
401 | INHERIT (to_region_size_ok_for_hw_watchpoint, t); | |
402 | INHERIT (to_terminal_init, t); | |
403 | INHERIT (to_terminal_inferior, t); | |
404 | INHERIT (to_terminal_ours_for_output, t); | |
405 | INHERIT (to_terminal_ours, t); | |
406 | INHERIT (to_terminal_save_ours, t); | |
407 | INHERIT (to_terminal_info, t); | |
408 | INHERIT (to_kill, t); | |
409 | INHERIT (to_load, t); | |
410 | INHERIT (to_lookup_symbol, t); | |
411 | INHERIT (to_create_inferior, t); | |
412 | INHERIT (to_post_startup_inferior, t); | |
413 | INHERIT (to_acknowledge_created_inferior, t); | |
414 | INHERIT (to_insert_fork_catchpoint, t); | |
415 | INHERIT (to_remove_fork_catchpoint, t); | |
416 | INHERIT (to_insert_vfork_catchpoint, t); | |
417 | INHERIT (to_remove_vfork_catchpoint, t); | |
418 | INHERIT (to_follow_fork, t); | |
419 | INHERIT (to_insert_exec_catchpoint, t); | |
420 | INHERIT (to_remove_exec_catchpoint, t); | |
421 | INHERIT (to_reported_exec_events_per_exec_call, t); | |
422 | INHERIT (to_has_exited, t); | |
423 | INHERIT (to_mourn_inferior, t); | |
424 | INHERIT (to_can_run, t); | |
425 | INHERIT (to_notice_signals, t); | |
426 | INHERIT (to_thread_alive, t); | |
427 | INHERIT (to_find_new_threads, t); | |
428 | INHERIT (to_pid_to_str, t); | |
429 | INHERIT (to_extra_thread_info, t); | |
430 | INHERIT (to_stop, t); | |
4b8a223f | 431 | /* Do not inherit to_xfer_partial. */ |
7998dfc3 AC |
432 | INHERIT (to_rcmd, t); |
433 | INHERIT (to_enable_exception_callback, t); | |
434 | INHERIT (to_get_current_exception_event, t); | |
435 | INHERIT (to_pid_to_exec_file, t); | |
436 | INHERIT (to_stratum, t); | |
437 | INHERIT (to_has_all_memory, t); | |
438 | INHERIT (to_has_memory, t); | |
439 | INHERIT (to_has_stack, t); | |
440 | INHERIT (to_has_registers, t); | |
441 | INHERIT (to_has_execution, t); | |
442 | INHERIT (to_has_thread_control, t); | |
443 | INHERIT (to_sections, t); | |
444 | INHERIT (to_sections_end, t); | |
445 | INHERIT (to_can_async_p, t); | |
446 | INHERIT (to_is_async_p, t); | |
447 | INHERIT (to_async, t); | |
448 | INHERIT (to_async_mask_value, t); | |
449 | INHERIT (to_find_memory_regions, t); | |
450 | INHERIT (to_make_corefile_notes, t); | |
451 | INHERIT (to_get_thread_local_address, t); | |
452 | INHERIT (to_magic, t); | |
453 | } | |
454 | #undef INHERIT | |
455 | ||
456 | /* Clean up a target struct so it no longer has any zero pointers in | |
0088c768 AC |
457 | it. Some entries are defaulted to a method that print an error, |
458 | others are hard-wired to a standard recursive default. */ | |
c906108c SS |
459 | |
460 | #define de_fault(field, value) \ | |
7998dfc3 AC |
461 | if (!current_target.field) \ |
462 | current_target.field = value | |
0d06e24b JM |
463 | |
464 | de_fault (to_open, | |
465 | (void (*) (char *, int)) | |
466 | tcomplain); | |
467 | de_fault (to_close, | |
468 | (void (*) (int)) | |
469 | target_ignore); | |
470 | de_fault (to_attach, | |
471 | maybe_kill_then_attach); | |
472 | de_fault (to_post_attach, | |
473 | (void (*) (int)) | |
474 | target_ignore); | |
0d06e24b JM |
475 | de_fault (to_detach, |
476 | (void (*) (char *, int)) | |
477 | target_ignore); | |
6ad8ae5c DJ |
478 | de_fault (to_disconnect, |
479 | (void (*) (char *, int)) | |
480 | tcomplain); | |
0d06e24b | 481 | de_fault (to_resume, |
39f77062 | 482 | (void (*) (ptid_t, int, enum target_signal)) |
0d06e24b JM |
483 | noprocess); |
484 | de_fault (to_wait, | |
39f77062 | 485 | (ptid_t (*) (ptid_t, struct target_waitstatus *)) |
0d06e24b JM |
486 | noprocess); |
487 | de_fault (to_post_wait, | |
39f77062 | 488 | (void (*) (ptid_t, int)) |
0d06e24b JM |
489 | target_ignore); |
490 | de_fault (to_fetch_registers, | |
491 | (void (*) (int)) | |
492 | target_ignore); | |
493 | de_fault (to_store_registers, | |
494 | (void (*) (int)) | |
495 | noprocess); | |
496 | de_fault (to_prepare_to_store, | |
497 | (void (*) (void)) | |
498 | noprocess); | |
499 | de_fault (to_xfer_memory, | |
29e57380 | 500 | (int (*) (CORE_ADDR, char *, int, int, struct mem_attrib *, struct target_ops *)) |
0d06e24b JM |
501 | nomemory); |
502 | de_fault (to_files_info, | |
503 | (void (*) (struct target_ops *)) | |
504 | target_ignore); | |
505 | de_fault (to_insert_breakpoint, | |
506 | memory_insert_breakpoint); | |
507 | de_fault (to_remove_breakpoint, | |
508 | memory_remove_breakpoint); | |
ccaa32c7 GS |
509 | de_fault (to_can_use_hw_breakpoint, |
510 | (int (*) (int, int, int)) | |
511 | return_zero); | |
512 | de_fault (to_insert_hw_breakpoint, | |
513 | (int (*) (CORE_ADDR, char *)) | |
514 | return_minus_one); | |
515 | de_fault (to_remove_hw_breakpoint, | |
516 | (int (*) (CORE_ADDR, char *)) | |
517 | return_minus_one); | |
518 | de_fault (to_insert_watchpoint, | |
519 | (int (*) (CORE_ADDR, int, int)) | |
520 | return_minus_one); | |
521 | de_fault (to_remove_watchpoint, | |
522 | (int (*) (CORE_ADDR, int, int)) | |
523 | return_minus_one); | |
524 | de_fault (to_stopped_by_watchpoint, | |
525 | (int (*) (void)) | |
526 | return_zero); | |
527 | de_fault (to_stopped_data_address, | |
528 | (CORE_ADDR (*) (void)) | |
529 | return_zero); | |
530 | de_fault (to_region_size_ok_for_hw_watchpoint, | |
531 | default_region_size_ok_for_hw_watchpoint); | |
0d06e24b JM |
532 | de_fault (to_terminal_init, |
533 | (void (*) (void)) | |
534 | target_ignore); | |
535 | de_fault (to_terminal_inferior, | |
536 | (void (*) (void)) | |
537 | target_ignore); | |
538 | de_fault (to_terminal_ours_for_output, | |
539 | (void (*) (void)) | |
540 | target_ignore); | |
541 | de_fault (to_terminal_ours, | |
542 | (void (*) (void)) | |
543 | target_ignore); | |
a790ad35 SC |
544 | de_fault (to_terminal_save_ours, |
545 | (void (*) (void)) | |
546 | target_ignore); | |
0d06e24b JM |
547 | de_fault (to_terminal_info, |
548 | default_terminal_info); | |
549 | de_fault (to_kill, | |
550 | (void (*) (void)) | |
551 | noprocess); | |
552 | de_fault (to_load, | |
553 | (void (*) (char *, int)) | |
554 | tcomplain); | |
555 | de_fault (to_lookup_symbol, | |
556 | (int (*) (char *, CORE_ADDR *)) | |
557 | nosymbol); | |
558 | de_fault (to_create_inferior, | |
559 | maybe_kill_then_create_inferior); | |
560 | de_fault (to_post_startup_inferior, | |
39f77062 | 561 | (void (*) (ptid_t)) |
0d06e24b JM |
562 | target_ignore); |
563 | de_fault (to_acknowledge_created_inferior, | |
564 | (void (*) (int)) | |
565 | target_ignore); | |
0d06e24b JM |
566 | de_fault (to_insert_fork_catchpoint, |
567 | (int (*) (int)) | |
568 | tcomplain); | |
569 | de_fault (to_remove_fork_catchpoint, | |
570 | (int (*) (int)) | |
571 | tcomplain); | |
572 | de_fault (to_insert_vfork_catchpoint, | |
573 | (int (*) (int)) | |
574 | tcomplain); | |
575 | de_fault (to_remove_vfork_catchpoint, | |
576 | (int (*) (int)) | |
577 | tcomplain); | |
4c9ba7e0 | 578 | de_fault (to_follow_fork, |
6604731b | 579 | (int (*) (int)) |
0d06e24b JM |
580 | target_ignore); |
581 | de_fault (to_insert_exec_catchpoint, | |
582 | (int (*) (int)) | |
583 | tcomplain); | |
584 | de_fault (to_remove_exec_catchpoint, | |
585 | (int (*) (int)) | |
586 | tcomplain); | |
0d06e24b JM |
587 | de_fault (to_reported_exec_events_per_exec_call, |
588 | (int (*) (void)) | |
589 | return_one); | |
0d06e24b JM |
590 | de_fault (to_has_exited, |
591 | (int (*) (int, int, int *)) | |
592 | return_zero); | |
593 | de_fault (to_mourn_inferior, | |
594 | (void (*) (void)) | |
595 | noprocess); | |
596 | de_fault (to_can_run, | |
597 | return_zero); | |
598 | de_fault (to_notice_signals, | |
39f77062 | 599 | (void (*) (ptid_t)) |
0d06e24b JM |
600 | target_ignore); |
601 | de_fault (to_thread_alive, | |
39f77062 | 602 | (int (*) (ptid_t)) |
0d06e24b JM |
603 | return_zero); |
604 | de_fault (to_find_new_threads, | |
605 | (void (*) (void)) | |
606 | target_ignore); | |
607 | de_fault (to_extra_thread_info, | |
608 | (char *(*) (struct thread_info *)) | |
609 | return_zero); | |
610 | de_fault (to_stop, | |
611 | (void (*) (void)) | |
612 | target_ignore); | |
4b8a223f | 613 | current_target.to_xfer_partial = default_xfer_partial; |
0d06e24b | 614 | de_fault (to_rcmd, |
d9fcf2fb | 615 | (void (*) (char *, struct ui_file *)) |
0d06e24b JM |
616 | tcomplain); |
617 | de_fault (to_enable_exception_callback, | |
618 | (struct symtab_and_line * (*) (enum exception_event_kind, int)) | |
619 | nosupport_runtime); | |
620 | de_fault (to_get_current_exception_event, | |
621 | (struct exception_event_record * (*) (void)) | |
622 | nosupport_runtime); | |
623 | de_fault (to_pid_to_exec_file, | |
624 | (char *(*) (int)) | |
625 | return_zero); | |
0d06e24b JM |
626 | de_fault (to_can_async_p, |
627 | (int (*) (void)) | |
628 | return_zero); | |
629 | de_fault (to_is_async_p, | |
630 | (int (*) (void)) | |
631 | return_zero); | |
632 | de_fault (to_async, | |
633 | (void (*) (void (*) (enum inferior_event_type, void*), void*)) | |
634 | tcomplain); | |
c906108c | 635 | #undef de_fault |
c906108c | 636 | |
7998dfc3 AC |
637 | /* Finally, position the target-stack beneath the squashed |
638 | "current_target". That way code looking for a non-inherited | |
639 | target method can quickly and simply find it. */ | |
640 | current_target.beneath = target_stack; | |
c906108c SS |
641 | } |
642 | ||
643 | /* Push a new target type into the stack of the existing target accessors, | |
644 | possibly superseding some of the existing accessors. | |
645 | ||
646 | Result is zero if the pushed target ended up on top of the stack, | |
647 | nonzero if at least one target is on top of it. | |
648 | ||
649 | Rather than allow an empty stack, we always have the dummy target at | |
650 | the bottom stratum, so we can call the function vectors without | |
651 | checking them. */ | |
652 | ||
653 | int | |
fba45db2 | 654 | push_target (struct target_ops *t) |
c906108c | 655 | { |
258b763a | 656 | struct target_ops **cur; |
c906108c SS |
657 | |
658 | /* Check magic number. If wrong, it probably means someone changed | |
659 | the struct definition, but not all the places that initialize one. */ | |
660 | if (t->to_magic != OPS_MAGIC) | |
661 | { | |
c5aa993b JM |
662 | fprintf_unfiltered (gdb_stderr, |
663 | "Magic number of %s target struct wrong\n", | |
664 | t->to_shortname); | |
e1e9e218 | 665 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
666 | } |
667 | ||
258b763a AC |
668 | /* Find the proper stratum to install this target in. */ |
669 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) | |
c906108c | 670 | { |
258b763a | 671 | if ((int) (t->to_stratum) >= (int) (*cur)->to_stratum) |
c906108c SS |
672 | break; |
673 | } | |
674 | ||
258b763a AC |
675 | /* If there's already targets at this stratum, remove them. */ |
676 | /* FIXME: cagney/2003-10-15: I think this should be poping all | |
677 | targets to CUR, and not just those at this stratum level. */ | |
678 | while ((*cur) != NULL && t->to_stratum == (*cur)->to_stratum) | |
679 | { | |
680 | /* There's already something at this stratum level. Close it, | |
681 | and un-hook it from the stack. */ | |
682 | struct target_ops *tmp = (*cur); | |
683 | (*cur) = (*cur)->beneath; | |
684 | tmp->beneath = NULL; | |
f1c07ab0 | 685 | target_close (tmp, 0); |
258b763a | 686 | } |
c906108c SS |
687 | |
688 | /* We have removed all targets in our stratum, now add the new one. */ | |
258b763a AC |
689 | t->beneath = (*cur); |
690 | (*cur) = t; | |
c906108c SS |
691 | |
692 | update_current_target (); | |
693 | ||
c906108c SS |
694 | if (targetdebug) |
695 | setup_target_debug (); | |
c906108c | 696 | |
258b763a AC |
697 | /* Not on top? */ |
698 | return (t != target_stack); | |
c906108c SS |
699 | } |
700 | ||
701 | /* Remove a target_ops vector from the stack, wherever it may be. | |
702 | Return how many times it was removed (0 or 1). */ | |
703 | ||
704 | int | |
fba45db2 | 705 | unpush_target (struct target_ops *t) |
c906108c | 706 | { |
258b763a AC |
707 | struct target_ops **cur; |
708 | struct target_ops *tmp; | |
c906108c | 709 | |
c906108c SS |
710 | /* Look for the specified target. Note that we assume that a target |
711 | can only occur once in the target stack. */ | |
712 | ||
258b763a AC |
713 | for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath) |
714 | { | |
715 | if ((*cur) == t) | |
716 | break; | |
717 | } | |
c906108c | 718 | |
258b763a | 719 | if ((*cur) == NULL) |
c906108c SS |
720 | return 0; /* Didn't find target_ops, quit now */ |
721 | ||
5269965e AC |
722 | /* NOTE: cagney/2003-12-06: In '94 the close call was made |
723 | unconditional by moving it to before the above check that the | |
724 | target was in the target stack (something about "Change the way | |
725 | pushing and popping of targets work to support target overlays | |
726 | and inheritance"). This doesn't make much sense - only open | |
727 | targets should be closed. */ | |
728 | target_close (t, 0); | |
729 | ||
c906108c | 730 | /* Unchain the target */ |
258b763a AC |
731 | tmp = (*cur); |
732 | (*cur) = (*cur)->beneath; | |
733 | tmp->beneath = NULL; | |
c906108c SS |
734 | |
735 | update_current_target (); | |
c906108c SS |
736 | |
737 | return 1; | |
738 | } | |
739 | ||
740 | void | |
fba45db2 | 741 | pop_target (void) |
c906108c | 742 | { |
f1c07ab0 | 743 | target_close (¤t_target, 0); /* Let it clean up */ |
258b763a | 744 | if (unpush_target (target_stack) == 1) |
c906108c SS |
745 | return; |
746 | ||
c5aa993b JM |
747 | fprintf_unfiltered (gdb_stderr, |
748 | "pop_target couldn't find target %s\n", | |
749 | current_target.to_shortname); | |
e1e9e218 | 750 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c SS |
751 | } |
752 | ||
753 | #undef MIN | |
754 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) | |
755 | ||
756 | /* target_read_string -- read a null terminated string, up to LEN bytes, | |
757 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
758 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
759 | is responsible for freeing it. Return the number of bytes successfully | |
760 | read. */ | |
761 | ||
762 | int | |
fba45db2 | 763 | target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) |
c906108c SS |
764 | { |
765 | int tlen, origlen, offset, i; | |
766 | char buf[4]; | |
767 | int errcode = 0; | |
768 | char *buffer; | |
769 | int buffer_allocated; | |
770 | char *bufptr; | |
771 | unsigned int nbytes_read = 0; | |
772 | ||
773 | /* Small for testing. */ | |
774 | buffer_allocated = 4; | |
775 | buffer = xmalloc (buffer_allocated); | |
776 | bufptr = buffer; | |
777 | ||
778 | origlen = len; | |
779 | ||
780 | while (len > 0) | |
781 | { | |
782 | tlen = MIN (len, 4 - (memaddr & 3)); | |
783 | offset = memaddr & 3; | |
784 | ||
d4b2399a | 785 | errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0); |
c906108c SS |
786 | if (errcode != 0) |
787 | { | |
788 | /* The transfer request might have crossed the boundary to an | |
789 | unallocated region of memory. Retry the transfer, requesting | |
790 | a single byte. */ | |
791 | tlen = 1; | |
792 | offset = 0; | |
d4b2399a | 793 | errcode = target_xfer_memory (memaddr, buf, 1, 0); |
c906108c SS |
794 | if (errcode != 0) |
795 | goto done; | |
796 | } | |
797 | ||
798 | if (bufptr - buffer + tlen > buffer_allocated) | |
799 | { | |
800 | unsigned int bytes; | |
801 | bytes = bufptr - buffer; | |
802 | buffer_allocated *= 2; | |
803 | buffer = xrealloc (buffer, buffer_allocated); | |
804 | bufptr = buffer + bytes; | |
805 | } | |
806 | ||
807 | for (i = 0; i < tlen; i++) | |
808 | { | |
809 | *bufptr++ = buf[i + offset]; | |
810 | if (buf[i + offset] == '\000') | |
811 | { | |
812 | nbytes_read += i + 1; | |
813 | goto done; | |
814 | } | |
815 | } | |
816 | ||
817 | memaddr += tlen; | |
818 | len -= tlen; | |
819 | nbytes_read += tlen; | |
820 | } | |
c5aa993b | 821 | done: |
c906108c SS |
822 | if (errnop != NULL) |
823 | *errnop = errcode; | |
824 | if (string != NULL) | |
825 | *string = buffer; | |
826 | return nbytes_read; | |
827 | } | |
828 | ||
8db32d44 AC |
829 | /* Find a section containing ADDR. */ |
830 | struct section_table * | |
831 | target_section_by_addr (struct target_ops *target, CORE_ADDR addr) | |
832 | { | |
833 | struct section_table *secp; | |
834 | for (secp = target->to_sections; | |
835 | secp < target->to_sections_end; | |
836 | secp++) | |
837 | { | |
838 | if (addr >= secp->addr && addr < secp->endaddr) | |
839 | return secp; | |
840 | } | |
841 | return NULL; | |
842 | } | |
843 | ||
c906108c SS |
844 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in |
845 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
846 | if any error occurs. | |
847 | ||
848 | If an error occurs, no guarantee is made about the contents of the data at | |
849 | MYADDR. In particular, the caller should not depend upon partial reads | |
850 | filling the buffer with good data. There is no way for the caller to know | |
851 | how much good data might have been transfered anyway. Callers that can | |
852 | deal with partial reads should call target_read_memory_partial. */ | |
853 | ||
854 | int | |
fba45db2 | 855 | target_read_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 856 | { |
d4b2399a | 857 | return target_xfer_memory (memaddr, myaddr, len, 0); |
c906108c SS |
858 | } |
859 | ||
c906108c | 860 | int |
fba45db2 | 861 | target_write_memory (CORE_ADDR memaddr, char *myaddr, int len) |
c906108c | 862 | { |
d4b2399a | 863 | return target_xfer_memory (memaddr, myaddr, len, 1); |
c906108c | 864 | } |
c5aa993b | 865 | |
3a11626d MS |
866 | static int trust_readonly = 0; |
867 | ||
67e0617e C |
868 | /* Move memory to or from the targets. The top target gets priority; |
869 | if it cannot handle it, it is offered to the next one down, etc. | |
c906108c | 870 | |
67e0617e | 871 | Result is -1 on error, or the number of bytes transfered. */ |
c906108c | 872 | |
4930751a | 873 | int |
29e57380 C |
874 | do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
875 | struct mem_attrib *attrib) | |
c906108c | 876 | { |
c906108c | 877 | int res; |
4930751a | 878 | int done = 0; |
c906108c | 879 | struct target_ops *t; |
c906108c SS |
880 | |
881 | /* Zero length requests are ok and require no work. */ | |
882 | if (len == 0) | |
883 | return 0; | |
884 | ||
c906108c SS |
885 | /* to_xfer_memory is not guaranteed to set errno, even when it returns |
886 | 0. */ | |
887 | errno = 0; | |
888 | ||
3a11626d MS |
889 | if (!write && trust_readonly) |
890 | { | |
8db32d44 | 891 | struct section_table *secp; |
2ceb85d0 BE |
892 | /* User-settable option, "trust-readonly-sections". If true, |
893 | then memory from any SEC_READONLY bfd section may be read | |
8db32d44 AC |
894 | directly from the bfd file. */ |
895 | secp = target_section_by_addr (¤t_target, memaddr); | |
896 | if (secp != NULL | |
897 | && (bfd_get_section_flags (secp->bfd, secp->the_bfd_section) | |
898 | & SEC_READONLY)) | |
899 | return xfer_memory (memaddr, myaddr, len, 0, attrib, ¤t_target); | |
3a11626d MS |
900 | } |
901 | ||
67e0617e | 902 | /* The quick case is that the top target can handle the transfer. */ |
c906108c | 903 | res = current_target.to_xfer_memory |
29e57380 | 904 | (memaddr, myaddr, len, write, attrib, ¤t_target); |
c906108c | 905 | |
67e0617e C |
906 | /* If res <= 0 then we call it again in the loop. Ah well. */ |
907 | if (res <= 0) | |
c906108c | 908 | { |
258b763a | 909 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 910 | { |
c906108c SS |
911 | if (!t->to_has_memory) |
912 | continue; | |
913 | ||
29e57380 | 914 | res = t->to_xfer_memory (memaddr, myaddr, len, write, attrib, t); |
c906108c SS |
915 | if (res > 0) |
916 | break; /* Handled all or part of xfer */ | |
917 | if (t->to_has_all_memory) | |
918 | break; | |
919 | } | |
920 | ||
4930751a | 921 | if (res <= 0) |
67e0617e | 922 | return -1; |
4930751a | 923 | } |
67e0617e C |
924 | |
925 | return res; | |
4930751a C |
926 | } |
927 | ||
67e0617e C |
928 | |
929 | /* Perform a memory transfer. Iterate until the entire region has | |
930 | been transfered. | |
931 | ||
932 | Result is 0 or errno value. */ | |
933 | ||
4930751a C |
934 | static int |
935 | target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write) | |
936 | { | |
937 | int res; | |
29e57380 C |
938 | int reg_len; |
939 | struct mem_region *region; | |
4930751a C |
940 | |
941 | /* Zero length requests are ok and require no work. */ | |
942 | if (len == 0) | |
943 | { | |
944 | return 0; | |
945 | } | |
946 | ||
947 | while (len > 0) | |
948 | { | |
29e57380 C |
949 | region = lookup_mem_region(memaddr); |
950 | if (memaddr + len < region->hi) | |
951 | reg_len = len; | |
952 | else | |
953 | reg_len = region->hi - memaddr; | |
954 | ||
955 | switch (region->attrib.mode) | |
c906108c | 956 | { |
29e57380 C |
957 | case MEM_RO: |
958 | if (write) | |
959 | return EIO; | |
960 | break; | |
961 | ||
962 | case MEM_WO: | |
c906108c | 963 | if (!write) |
c906108c | 964 | return EIO; |
29e57380 | 965 | break; |
c906108c | 966 | } |
4930751a | 967 | |
29e57380 C |
968 | while (reg_len > 0) |
969 | { | |
970 | if (region->attrib.cache) | |
8add0441 | 971 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, |
29e57380 C |
972 | reg_len, write); |
973 | else | |
8add0441 | 974 | res = do_xfer_memory (memaddr, myaddr, reg_len, write, |
29e57380 C |
975 | ®ion->attrib); |
976 | ||
977 | if (res <= 0) | |
978 | { | |
979 | /* If this address is for nonexistent memory, read zeros | |
980 | if reading, or do nothing if writing. Return | |
981 | error. */ | |
982 | if (!write) | |
983 | memset (myaddr, 0, len); | |
984 | if (errno == 0) | |
985 | return EIO; | |
986 | else | |
987 | return errno; | |
988 | } | |
989 | ||
990 | memaddr += res; | |
991 | myaddr += res; | |
992 | len -= res; | |
993 | reg_len -= res; | |
994 | } | |
c906108c | 995 | } |
4930751a | 996 | |
c906108c SS |
997 | return 0; /* We managed to cover it all somehow. */ |
998 | } | |
999 | ||
1000 | ||
67e0617e C |
1001 | /* Perform a partial memory transfer. |
1002 | ||
1003 | Result is -1 on error, or the number of bytes transfered. */ | |
917317f4 JM |
1004 | |
1005 | static int | |
4930751a | 1006 | target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len, |
917317f4 JM |
1007 | int write_p, int *err) |
1008 | { | |
1009 | int res; | |
29e57380 C |
1010 | int reg_len; |
1011 | struct mem_region *region; | |
917317f4 JM |
1012 | |
1013 | /* Zero length requests are ok and require no work. */ | |
1014 | if (len == 0) | |
1015 | { | |
1016 | *err = 0; | |
1017 | return 0; | |
1018 | } | |
1019 | ||
29e57380 C |
1020 | region = lookup_mem_region(memaddr); |
1021 | if (memaddr + len < region->hi) | |
1022 | reg_len = len; | |
1023 | else | |
1024 | reg_len = region->hi - memaddr; | |
1025 | ||
1026 | switch (region->attrib.mode) | |
1027 | { | |
1028 | case MEM_RO: | |
1029 | if (write_p) | |
1030 | { | |
1031 | *err = EIO; | |
873406a6 | 1032 | return -1; |
29e57380 C |
1033 | } |
1034 | break; | |
1035 | ||
1036 | case MEM_WO: | |
1037 | if (write_p) | |
1038 | { | |
1039 | *err = EIO; | |
873406a6 | 1040 | return -1; |
29e57380 C |
1041 | } |
1042 | break; | |
1043 | } | |
1044 | ||
1045 | if (region->attrib.cache) | |
1046 | res = dcache_xfer_memory (target_dcache, memaddr, myaddr, | |
1047 | reg_len, write_p); | |
1048 | else | |
1049 | res = do_xfer_memory (memaddr, myaddr, reg_len, write_p, | |
1050 | ®ion->attrib); | |
1051 | ||
4930751a | 1052 | if (res <= 0) |
917317f4 | 1053 | { |
4930751a C |
1054 | if (errno != 0) |
1055 | *err = errno; | |
1056 | else | |
1057 | *err = EIO; | |
917317f4 | 1058 | |
4930751a | 1059 | return -1; |
917317f4 JM |
1060 | } |
1061 | ||
4930751a | 1062 | *err = 0; |
67e0617e | 1063 | return res; |
917317f4 JM |
1064 | } |
1065 | ||
1066 | int | |
1067 | target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1068 | { | |
1069 | return target_xfer_memory_partial (memaddr, buf, len, 0, err); | |
1070 | } | |
1071 | ||
1072 | int | |
1073 | target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err) | |
1074 | { | |
1075 | return target_xfer_memory_partial (memaddr, buf, len, 1, err); | |
1076 | } | |
1077 | ||
1e3ff5ad AC |
1078 | /* More generic transfers. */ |
1079 | ||
0088c768 | 1080 | static LONGEST |
8aa91c1e AC |
1081 | default_xfer_partial (struct target_ops *ops, enum target_object object, |
1082 | const char *annex, void *readbuf, | |
1083 | const void *writebuf, ULONGEST offset, LONGEST len) | |
0088c768 AC |
1084 | { |
1085 | if (object == TARGET_OBJECT_MEMORY | |
1086 | && ops->to_xfer_memory != NULL) | |
1087 | /* If available, fall back to the target's "to_xfer_memory" | |
1088 | method. */ | |
1089 | { | |
4b8a223f | 1090 | int xfered = -1; |
0088c768 | 1091 | errno = 0; |
4b8a223f AC |
1092 | if (writebuf != NULL) |
1093 | { | |
1094 | void *buffer = xmalloc (len); | |
1095 | struct cleanup *cleanup = make_cleanup (xfree, buffer); | |
1096 | memcpy (buffer, writebuf, len); | |
1097 | xfered = ops->to_xfer_memory (offset, buffer, len, 1/*write*/, NULL, | |
1098 | ops); | |
1099 | do_cleanups (cleanup); | |
1100 | } | |
1101 | if (readbuf != NULL) | |
1102 | xfered = ops->to_xfer_memory (offset, readbuf, len, 0/*read*/, NULL, | |
0088c768 | 1103 | ops); |
0088c768 AC |
1104 | if (xfered > 0) |
1105 | return xfered; | |
1106 | else if (xfered == 0 && errno == 0) | |
1107 | /* "to_xfer_memory" uses 0, cross checked against ERRNO as one | |
1108 | indication of an error. */ | |
1109 | return 0; | |
1110 | else | |
1111 | return -1; | |
1112 | } | |
1113 | else if (ops->beneath != NULL) | |
4b8a223f | 1114 | return ops->beneath->to_xfer_partial (ops->beneath, object, annex, |
8aa91c1e | 1115 | readbuf, writebuf, offset, len); |
0088c768 AC |
1116 | else |
1117 | return -1; | |
1118 | } | |
1119 | ||
1120 | /* Target vector read/write partial wrapper functions. | |
1121 | ||
1122 | NOTE: cagney/2003-10-21: I wonder if having "to_xfer_partial | |
1123 | (inbuf, outbuf)", instead of separate read/write methods, make life | |
1124 | easier. */ | |
1125 | ||
1e3ff5ad AC |
1126 | LONGEST |
1127 | target_read_partial (struct target_ops *ops, | |
1128 | enum target_object object, | |
1129 | const char *annex, void *buf, | |
1130 | ULONGEST offset, LONGEST len) | |
1131 | { | |
4b8a223f | 1132 | gdb_assert (ops->to_xfer_partial != NULL); |
8aa91c1e | 1133 | return ops->to_xfer_partial (ops, object, annex, buf, NULL, offset, len); |
1e3ff5ad AC |
1134 | } |
1135 | ||
1136 | LONGEST | |
1137 | target_write_partial (struct target_ops *ops, | |
1138 | enum target_object object, | |
1139 | const char *annex, const void *buf, | |
1140 | ULONGEST offset, LONGEST len) | |
1141 | { | |
4b8a223f | 1142 | gdb_assert (ops->to_xfer_partial != NULL); |
8aa91c1e | 1143 | return ops->to_xfer_partial (ops, object, annex, NULL, buf, offset, len); |
1e3ff5ad AC |
1144 | } |
1145 | ||
1146 | /* Wrappers to perform the full transfer. */ | |
1147 | LONGEST | |
1148 | target_read (struct target_ops *ops, | |
1149 | enum target_object object, | |
1150 | const char *annex, void *buf, | |
1151 | ULONGEST offset, LONGEST len) | |
1152 | { | |
1153 | LONGEST xfered = 0; | |
1154 | while (xfered < len) | |
1155 | { | |
0088c768 AC |
1156 | LONGEST xfer = target_read_partial (ops, object, annex, |
1157 | (bfd_byte *) buf + xfered, | |
1158 | offset + xfered, len - xfered); | |
1e3ff5ad | 1159 | /* Call an observer, notifying them of the xfer progress? */ |
0088c768 AC |
1160 | if (xfer <= 0) |
1161 | /* Call memory_error? */ | |
1162 | return -1; | |
1e3ff5ad AC |
1163 | xfered += xfer; |
1164 | QUIT; | |
1165 | } | |
1166 | return len; | |
1167 | } | |
1168 | ||
1169 | LONGEST | |
1170 | target_write (struct target_ops *ops, | |
1171 | enum target_object object, | |
1172 | const char *annex, const void *buf, | |
1173 | ULONGEST offset, LONGEST len) | |
1174 | { | |
1175 | LONGEST xfered = 0; | |
1176 | while (xfered < len) | |
1177 | { | |
1178 | LONGEST xfer = target_write_partial (ops, object, annex, | |
1179 | (bfd_byte *) buf + xfered, | |
1180 | offset + xfered, len - xfered); | |
1181 | /* Call an observer, notifying them of the xfer progress? */ | |
0088c768 AC |
1182 | if (xfer <= 0) |
1183 | /* Call memory_error? */ | |
1184 | return -1; | |
1e3ff5ad AC |
1185 | xfered += xfer; |
1186 | QUIT; | |
1187 | } | |
1188 | return len; | |
1189 | } | |
1190 | ||
b6591e8b AC |
1191 | /* Memory transfer methods. */ |
1192 | ||
1193 | void | |
1194 | get_target_memory (struct target_ops *ops, CORE_ADDR addr, void *buf, | |
1195 | LONGEST len) | |
1196 | { | |
1197 | if (target_read (ops, TARGET_OBJECT_MEMORY, NULL, buf, addr, len) | |
1198 | != len) | |
1199 | memory_error (EIO, addr); | |
1200 | } | |
1201 | ||
1202 | ULONGEST | |
1203 | get_target_memory_unsigned (struct target_ops *ops, | |
1204 | CORE_ADDR addr, int len) | |
1205 | { | |
1206 | char buf[sizeof (ULONGEST)]; | |
1207 | ||
1208 | gdb_assert (len <= sizeof (buf)); | |
1209 | get_target_memory (ops, addr, buf, len); | |
1210 | return extract_unsigned_integer (buf, len); | |
1211 | } | |
1212 | ||
c906108c | 1213 | static void |
fba45db2 | 1214 | target_info (char *args, int from_tty) |
c906108c SS |
1215 | { |
1216 | struct target_ops *t; | |
c906108c | 1217 | int has_all_mem = 0; |
c5aa993b | 1218 | |
c906108c SS |
1219 | if (symfile_objfile != NULL) |
1220 | printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name); | |
1221 | ||
1222 | #ifdef FILES_INFO_HOOK | |
1223 | if (FILES_INFO_HOOK ()) | |
1224 | return; | |
1225 | #endif | |
1226 | ||
258b763a | 1227 | for (t = target_stack; t != NULL; t = t->beneath) |
c906108c | 1228 | { |
c906108c SS |
1229 | if (!t->to_has_memory) |
1230 | continue; | |
1231 | ||
c5aa993b | 1232 | if ((int) (t->to_stratum) <= (int) dummy_stratum) |
c906108c SS |
1233 | continue; |
1234 | if (has_all_mem) | |
c5aa993b JM |
1235 | printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n"); |
1236 | printf_unfiltered ("%s:\n", t->to_longname); | |
1237 | (t->to_files_info) (t); | |
c906108c SS |
1238 | has_all_mem = t->to_has_all_memory; |
1239 | } | |
1240 | } | |
1241 | ||
1242 | /* This is to be called by the open routine before it does | |
1243 | anything. */ | |
1244 | ||
1245 | void | |
fba45db2 | 1246 | target_preopen (int from_tty) |
c906108c | 1247 | { |
c5aa993b | 1248 | dont_repeat (); |
c906108c SS |
1249 | |
1250 | if (target_has_execution) | |
c5aa993b | 1251 | { |
adf40b2e JM |
1252 | if (!from_tty |
1253 | || query ("A program is being debugged already. Kill it? ")) | |
c5aa993b | 1254 | target_kill (); |
c906108c | 1255 | else |
c5aa993b | 1256 | error ("Program not killed."); |
c906108c SS |
1257 | } |
1258 | ||
1259 | /* Calling target_kill may remove the target from the stack. But if | |
1260 | it doesn't (which seems like a win for UDI), remove it now. */ | |
1261 | ||
1262 | if (target_has_execution) | |
1263 | pop_target (); | |
1264 | } | |
1265 | ||
1266 | /* Detach a target after doing deferred register stores. */ | |
1267 | ||
1268 | void | |
fba45db2 | 1269 | target_detach (char *args, int from_tty) |
c906108c SS |
1270 | { |
1271 | /* Handle any optimized stores to the inferior. */ | |
1272 | #ifdef DO_DEFERRED_STORES | |
1273 | DO_DEFERRED_STORES; | |
1274 | #endif | |
1275 | (current_target.to_detach) (args, from_tty); | |
1276 | } | |
1277 | ||
6ad8ae5c DJ |
1278 | void |
1279 | target_disconnect (char *args, int from_tty) | |
1280 | { | |
1281 | /* Handle any optimized stores to the inferior. */ | |
1282 | #ifdef DO_DEFERRED_STORES | |
1283 | DO_DEFERRED_STORES; | |
1284 | #endif | |
1285 | (current_target.to_disconnect) (args, from_tty); | |
1286 | } | |
1287 | ||
c906108c | 1288 | void |
fba45db2 | 1289 | target_link (char *modname, CORE_ADDR *t_reloc) |
c906108c | 1290 | { |
cb137aa5 | 1291 | if (DEPRECATED_STREQ (current_target.to_shortname, "rombug")) |
c906108c SS |
1292 | { |
1293 | (current_target.to_lookup_symbol) (modname, t_reloc); | |
1294 | if (*t_reloc == 0) | |
c5aa993b | 1295 | error ("Unable to link to %s and get relocation in rombug", modname); |
c906108c SS |
1296 | } |
1297 | else | |
2acceee2 | 1298 | *t_reloc = (CORE_ADDR) -1; |
c906108c SS |
1299 | } |
1300 | ||
ed9a39eb JM |
1301 | int |
1302 | target_async_mask (int mask) | |
1303 | { | |
1304 | int saved_async_masked_status = target_async_mask_value; | |
1305 | target_async_mask_value = mask; | |
1306 | return saved_async_masked_status; | |
1307 | } | |
1308 | ||
c906108c SS |
1309 | /* Look through the list of possible targets for a target that can |
1310 | execute a run or attach command without any other data. This is | |
1311 | used to locate the default process stratum. | |
1312 | ||
1313 | Result is always valid (error() is called for errors). */ | |
1314 | ||
1315 | static struct target_ops * | |
fba45db2 | 1316 | find_default_run_target (char *do_mesg) |
c906108c SS |
1317 | { |
1318 | struct target_ops **t; | |
1319 | struct target_ops *runable = NULL; | |
1320 | int count; | |
1321 | ||
1322 | count = 0; | |
1323 | ||
1324 | for (t = target_structs; t < target_structs + target_struct_size; | |
1325 | ++t) | |
1326 | { | |
c5aa993b | 1327 | if ((*t)->to_can_run && target_can_run (*t)) |
c906108c SS |
1328 | { |
1329 | runable = *t; | |
1330 | ++count; | |
1331 | } | |
1332 | } | |
1333 | ||
1334 | if (count != 1) | |
1335 | error ("Don't know how to %s. Try \"help target\".", do_mesg); | |
1336 | ||
1337 | return runable; | |
1338 | } | |
1339 | ||
1340 | void | |
fba45db2 | 1341 | find_default_attach (char *args, int from_tty) |
c906108c SS |
1342 | { |
1343 | struct target_ops *t; | |
1344 | ||
c5aa993b | 1345 | t = find_default_run_target ("attach"); |
c906108c SS |
1346 | (t->to_attach) (args, from_tty); |
1347 | return; | |
1348 | } | |
1349 | ||
c906108c | 1350 | void |
fba45db2 | 1351 | find_default_create_inferior (char *exec_file, char *allargs, char **env) |
c906108c SS |
1352 | { |
1353 | struct target_ops *t; | |
1354 | ||
c5aa993b | 1355 | t = find_default_run_target ("run"); |
c906108c SS |
1356 | (t->to_create_inferior) (exec_file, allargs, env); |
1357 | return; | |
1358 | } | |
1359 | ||
ccaa32c7 GS |
1360 | static int |
1361 | default_region_size_ok_for_hw_watchpoint (int byte_count) | |
1362 | { | |
437b434f | 1363 | return (byte_count <= TYPE_LENGTH (builtin_type_void_data_ptr)); |
ccaa32c7 GS |
1364 | } |
1365 | ||
c906108c | 1366 | static int |
fba45db2 | 1367 | return_zero (void) |
c906108c SS |
1368 | { |
1369 | return 0; | |
1370 | } | |
1371 | ||
1372 | static int | |
fba45db2 | 1373 | return_one (void) |
c906108c SS |
1374 | { |
1375 | return 1; | |
1376 | } | |
1377 | ||
ccaa32c7 GS |
1378 | static int |
1379 | return_minus_one (void) | |
1380 | { | |
1381 | return -1; | |
1382 | } | |
1383 | ||
6426a772 JM |
1384 | /* |
1385 | * Resize the to_sections pointer. Also make sure that anyone that | |
1386 | * was holding on to an old value of it gets updated. | |
1387 | * Returns the old size. | |
1388 | */ | |
1389 | ||
1390 | int | |
1391 | target_resize_to_sections (struct target_ops *target, int num_added) | |
1392 | { | |
1393 | struct target_ops **t; | |
1394 | struct section_table *old_value; | |
1395 | int old_count; | |
1396 | ||
1397 | old_value = target->to_sections; | |
1398 | ||
1399 | if (target->to_sections) | |
1400 | { | |
1401 | old_count = target->to_sections_end - target->to_sections; | |
1402 | target->to_sections = (struct section_table *) | |
1403 | xrealloc ((char *) target->to_sections, | |
1404 | (sizeof (struct section_table)) * (num_added + old_count)); | |
1405 | } | |
1406 | else | |
1407 | { | |
1408 | old_count = 0; | |
1409 | target->to_sections = (struct section_table *) | |
1410 | xmalloc ((sizeof (struct section_table)) * num_added); | |
1411 | } | |
1412 | target->to_sections_end = target->to_sections + (num_added + old_count); | |
1413 | ||
1414 | /* Check to see if anyone else was pointing to this structure. | |
1415 | If old_value was null, then no one was. */ | |
1416 | ||
1417 | if (old_value) | |
1418 | { | |
1419 | for (t = target_structs; t < target_structs + target_struct_size; | |
1420 | ++t) | |
1421 | { | |
1422 | if ((*t)->to_sections == old_value) | |
1423 | { | |
1424 | (*t)->to_sections = target->to_sections; | |
1425 | (*t)->to_sections_end = target->to_sections_end; | |
1426 | } | |
1427 | } | |
1428 | } | |
1429 | ||
1430 | return old_count; | |
1431 | ||
1432 | } | |
1433 | ||
07cd4b97 JB |
1434 | /* Remove all target sections taken from ABFD. |
1435 | ||
1436 | Scan the current target stack for targets whose section tables | |
1437 | refer to sections from BFD, and remove those sections. We use this | |
1438 | when we notice that the inferior has unloaded a shared object, for | |
1439 | example. */ | |
1440 | void | |
1441 | remove_target_sections (bfd *abfd) | |
1442 | { | |
1443 | struct target_ops **t; | |
1444 | ||
1445 | for (t = target_structs; t < target_structs + target_struct_size; t++) | |
1446 | { | |
1447 | struct section_table *src, *dest; | |
1448 | ||
1449 | dest = (*t)->to_sections; | |
1450 | for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++) | |
1451 | if (src->bfd != abfd) | |
1452 | { | |
1453 | /* Keep this section. */ | |
1454 | if (dest < src) *dest = *src; | |
1455 | dest++; | |
1456 | } | |
1457 | ||
1458 | /* If we've dropped any sections, resize the section table. */ | |
1459 | if (dest < src) | |
1460 | target_resize_to_sections (*t, dest - src); | |
1461 | } | |
1462 | } | |
1463 | ||
1464 | ||
1465 | ||
1466 | ||
7a292a7a SS |
1467 | /* Find a single runnable target in the stack and return it. If for |
1468 | some reason there is more than one, return NULL. */ | |
1469 | ||
1470 | struct target_ops * | |
fba45db2 | 1471 | find_run_target (void) |
7a292a7a SS |
1472 | { |
1473 | struct target_ops **t; | |
1474 | struct target_ops *runable = NULL; | |
1475 | int count; | |
c5aa993b | 1476 | |
7a292a7a | 1477 | count = 0; |
c5aa993b | 1478 | |
7a292a7a SS |
1479 | for (t = target_structs; t < target_structs + target_struct_size; ++t) |
1480 | { | |
c5aa993b | 1481 | if ((*t)->to_can_run && target_can_run (*t)) |
7a292a7a SS |
1482 | { |
1483 | runable = *t; | |
1484 | ++count; | |
1485 | } | |
1486 | } | |
c5aa993b | 1487 | |
7a292a7a SS |
1488 | return (count == 1 ? runable : NULL); |
1489 | } | |
1490 | ||
ed9a39eb JM |
1491 | /* Find a single core_stratum target in the list of targets and return it. |
1492 | If for some reason there is more than one, return NULL. */ | |
1493 | ||
c906108c | 1494 | struct target_ops * |
fba45db2 | 1495 | find_core_target (void) |
c906108c SS |
1496 | { |
1497 | struct target_ops **t; | |
1498 | struct target_ops *runable = NULL; | |
1499 | int count; | |
c5aa993b | 1500 | |
c906108c | 1501 | count = 0; |
c5aa993b | 1502 | |
c906108c SS |
1503 | for (t = target_structs; t < target_structs + target_struct_size; |
1504 | ++t) | |
1505 | { | |
1506 | if ((*t)->to_stratum == core_stratum) | |
1507 | { | |
1508 | runable = *t; | |
1509 | ++count; | |
1510 | } | |
1511 | } | |
c5aa993b JM |
1512 | |
1513 | return (count == 1 ? runable : NULL); | |
c906108c | 1514 | } |
ed9a39eb JM |
1515 | |
1516 | /* | |
1517 | * Find the next target down the stack from the specified target. | |
1518 | */ | |
1519 | ||
1520 | struct target_ops * | |
fba45db2 | 1521 | find_target_beneath (struct target_ops *t) |
ed9a39eb | 1522 | { |
258b763a | 1523 | return t->beneath; |
ed9a39eb JM |
1524 | } |
1525 | ||
c906108c SS |
1526 | \f |
1527 | /* The inferior process has died. Long live the inferior! */ | |
1528 | ||
1529 | void | |
fba45db2 | 1530 | generic_mourn_inferior (void) |
c906108c SS |
1531 | { |
1532 | extern int show_breakpoint_hit_counts; | |
1533 | ||
39f77062 | 1534 | inferior_ptid = null_ptid; |
c906108c SS |
1535 | attach_flag = 0; |
1536 | breakpoint_init_inferior (inf_exited); | |
1537 | registers_changed (); | |
1538 | ||
1539 | #ifdef CLEAR_DEFERRED_STORES | |
1540 | /* Delete any pending stores to the inferior... */ | |
1541 | CLEAR_DEFERRED_STORES; | |
1542 | #endif | |
1543 | ||
1544 | reopen_exec_file (); | |
1545 | reinit_frame_cache (); | |
1546 | ||
1547 | /* It is confusing to the user for ignore counts to stick around | |
1548 | from previous runs of the inferior. So clear them. */ | |
1549 | /* However, it is more confusing for the ignore counts to disappear when | |
1550 | using hit counts. So don't clear them if we're counting hits. */ | |
1551 | if (!show_breakpoint_hit_counts) | |
1552 | breakpoint_clear_ignore_counts (); | |
c5b739b5 FN |
1553 | |
1554 | if (detach_hook) | |
1555 | detach_hook (); | |
c906108c SS |
1556 | } |
1557 | \f | |
c906108c SS |
1558 | /* Helper function for child_wait and the Lynx derivatives of child_wait. |
1559 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1560 | translation of that in OURSTATUS. */ | |
1561 | void | |
fba45db2 | 1562 | store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus) |
c906108c SS |
1563 | { |
1564 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1565 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1566 | if it wants to deal with hoststatus. */ | |
1567 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1568 | return; | |
1569 | #endif | |
1570 | ||
1571 | if (WIFEXITED (hoststatus)) | |
1572 | { | |
1573 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1574 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1575 | } | |
1576 | else if (!WIFSTOPPED (hoststatus)) | |
1577 | { | |
1578 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1579 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1580 | } | |
1581 | else | |
1582 | { | |
1583 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1584 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1585 | } | |
1586 | } | |
1587 | \f | |
c906108c | 1588 | /* Returns zero to leave the inferior alone, one to interrupt it. */ |
507f3c78 | 1589 | int (*target_activity_function) (void); |
c906108c SS |
1590 | int target_activity_fd; |
1591 | \f | |
1592 | /* Convert a normal process ID to a string. Returns the string in a static | |
1593 | buffer. */ | |
1594 | ||
1595 | char * | |
39f77062 | 1596 | normal_pid_to_str (ptid_t ptid) |
c906108c SS |
1597 | { |
1598 | static char buf[30]; | |
1599 | ||
39f77062 | 1600 | sprintf (buf, "process %d", PIDGET (ptid)); |
c906108c SS |
1601 | return buf; |
1602 | } | |
1603 | ||
be4d1333 | 1604 | /* Error-catcher for target_find_memory_regions */ |
be4d1333 MS |
1605 | static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2) |
1606 | { | |
1607 | error ("No target."); | |
1608 | return 0; | |
1609 | } | |
1610 | ||
1611 | /* Error-catcher for target_make_corefile_notes */ | |
be4d1333 MS |
1612 | static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2) |
1613 | { | |
1614 | error ("No target."); | |
1615 | return NULL; | |
1616 | } | |
1617 | ||
c906108c SS |
1618 | /* Set up the handful of non-empty slots needed by the dummy target |
1619 | vector. */ | |
1620 | ||
1621 | static void | |
fba45db2 | 1622 | init_dummy_target (void) |
c906108c SS |
1623 | { |
1624 | dummy_target.to_shortname = "None"; | |
1625 | dummy_target.to_longname = "None"; | |
1626 | dummy_target.to_doc = ""; | |
1627 | dummy_target.to_attach = find_default_attach; | |
c906108c | 1628 | dummy_target.to_create_inferior = find_default_create_inferior; |
ed9a39eb | 1629 | dummy_target.to_pid_to_str = normal_pid_to_str; |
c906108c | 1630 | dummy_target.to_stratum = dummy_stratum; |
be4d1333 MS |
1631 | dummy_target.to_find_memory_regions = dummy_find_memory_regions; |
1632 | dummy_target.to_make_corefile_notes = dummy_make_corefile_notes; | |
0b603eba | 1633 | dummy_target.to_xfer_partial = default_xfer_partial; |
c906108c SS |
1634 | dummy_target.to_magic = OPS_MAGIC; |
1635 | } | |
c906108c | 1636 | \f |
c5aa993b | 1637 | |
c906108c SS |
1638 | static struct target_ops debug_target; |
1639 | ||
1640 | static void | |
fba45db2 | 1641 | debug_to_open (char *args, int from_tty) |
c906108c SS |
1642 | { |
1643 | debug_target.to_open (args, from_tty); | |
1644 | ||
96baa820 | 1645 | fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty); |
c906108c SS |
1646 | } |
1647 | ||
1648 | static void | |
fba45db2 | 1649 | debug_to_close (int quitting) |
c906108c | 1650 | { |
f1c07ab0 | 1651 | target_close (&debug_target, quitting); |
96baa820 | 1652 | fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting); |
c906108c SS |
1653 | } |
1654 | ||
f1c07ab0 AC |
1655 | void |
1656 | target_close (struct target_ops *targ, int quitting) | |
1657 | { | |
1658 | if (targ->to_xclose != NULL) | |
1659 | targ->to_xclose (targ, quitting); | |
1660 | else if (targ->to_close != NULL) | |
1661 | targ->to_close (quitting); | |
1662 | } | |
1663 | ||
c906108c | 1664 | static void |
fba45db2 | 1665 | debug_to_attach (char *args, int from_tty) |
c906108c SS |
1666 | { |
1667 | debug_target.to_attach (args, from_tty); | |
1668 | ||
96baa820 | 1669 | fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty); |
c906108c SS |
1670 | } |
1671 | ||
1672 | ||
1673 | static void | |
fba45db2 | 1674 | debug_to_post_attach (int pid) |
c906108c SS |
1675 | { |
1676 | debug_target.to_post_attach (pid); | |
1677 | ||
96baa820 | 1678 | fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid); |
c906108c SS |
1679 | } |
1680 | ||
c906108c | 1681 | static void |
fba45db2 | 1682 | debug_to_detach (char *args, int from_tty) |
c906108c SS |
1683 | { |
1684 | debug_target.to_detach (args, from_tty); | |
1685 | ||
96baa820 | 1686 | fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty); |
c906108c SS |
1687 | } |
1688 | ||
6ad8ae5c DJ |
1689 | static void |
1690 | debug_to_disconnect (char *args, int from_tty) | |
1691 | { | |
1692 | debug_target.to_disconnect (args, from_tty); | |
1693 | ||
1694 | fprintf_unfiltered (gdb_stdlog, "target_disconnect (%s, %d)\n", | |
1695 | args, from_tty); | |
1696 | } | |
1697 | ||
c906108c | 1698 | static void |
39f77062 | 1699 | debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal) |
c906108c | 1700 | { |
39f77062 | 1701 | debug_target.to_resume (ptid, step, siggnal); |
c906108c | 1702 | |
39f77062 | 1703 | fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid), |
c906108c SS |
1704 | step ? "step" : "continue", |
1705 | target_signal_to_name (siggnal)); | |
1706 | } | |
1707 | ||
39f77062 KB |
1708 | static ptid_t |
1709 | debug_to_wait (ptid_t ptid, struct target_waitstatus *status) | |
c906108c | 1710 | { |
39f77062 | 1711 | ptid_t retval; |
c906108c | 1712 | |
39f77062 | 1713 | retval = debug_target.to_wait (ptid, status); |
c906108c | 1714 | |
96baa820 | 1715 | fprintf_unfiltered (gdb_stdlog, |
39f77062 KB |
1716 | "target_wait (%d, status) = %d, ", PIDGET (ptid), |
1717 | PIDGET (retval)); | |
96baa820 | 1718 | fprintf_unfiltered (gdb_stdlog, "status->kind = "); |
c906108c SS |
1719 | switch (status->kind) |
1720 | { | |
1721 | case TARGET_WAITKIND_EXITED: | |
96baa820 | 1722 | fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n", |
c906108c SS |
1723 | status->value.integer); |
1724 | break; | |
1725 | case TARGET_WAITKIND_STOPPED: | |
96baa820 | 1726 | fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n", |
c906108c SS |
1727 | target_signal_to_name (status->value.sig)); |
1728 | break; | |
1729 | case TARGET_WAITKIND_SIGNALLED: | |
96baa820 | 1730 | fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n", |
c906108c SS |
1731 | target_signal_to_name (status->value.sig)); |
1732 | break; | |
1733 | case TARGET_WAITKIND_LOADED: | |
96baa820 | 1734 | fprintf_unfiltered (gdb_stdlog, "loaded\n"); |
c906108c SS |
1735 | break; |
1736 | case TARGET_WAITKIND_FORKED: | |
96baa820 | 1737 | fprintf_unfiltered (gdb_stdlog, "forked\n"); |
c906108c SS |
1738 | break; |
1739 | case TARGET_WAITKIND_VFORKED: | |
96baa820 | 1740 | fprintf_unfiltered (gdb_stdlog, "vforked\n"); |
c906108c SS |
1741 | break; |
1742 | case TARGET_WAITKIND_EXECD: | |
96baa820 | 1743 | fprintf_unfiltered (gdb_stdlog, "execd\n"); |
c906108c SS |
1744 | break; |
1745 | case TARGET_WAITKIND_SPURIOUS: | |
96baa820 | 1746 | fprintf_unfiltered (gdb_stdlog, "spurious\n"); |
c906108c SS |
1747 | break; |
1748 | default: | |
96baa820 | 1749 | fprintf_unfiltered (gdb_stdlog, "unknown???\n"); |
c906108c SS |
1750 | break; |
1751 | } | |
1752 | ||
1753 | return retval; | |
1754 | } | |
1755 | ||
1756 | static void | |
39f77062 | 1757 | debug_to_post_wait (ptid_t ptid, int status) |
c906108c | 1758 | { |
39f77062 | 1759 | debug_target.to_post_wait (ptid, status); |
c906108c | 1760 | |
96baa820 | 1761 | fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n", |
39f77062 | 1762 | PIDGET (ptid), status); |
c906108c SS |
1763 | } |
1764 | ||
bf0c5130 AC |
1765 | static void |
1766 | debug_print_register (const char * func, int regno) | |
1767 | { | |
1768 | fprintf_unfiltered (gdb_stdlog, "%s ", func); | |
1769 | if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS | |
1770 | && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0') | |
1771 | fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno)); | |
1772 | else | |
1773 | fprintf_unfiltered (gdb_stdlog, "(%d)", regno); | |
1774 | if (regno >= 0) | |
1775 | { | |
1776 | int i; | |
d9d9c31f | 1777 | unsigned char buf[MAX_REGISTER_SIZE]; |
4caf0990 | 1778 | deprecated_read_register_gen (regno, buf); |
bf0c5130 | 1779 | fprintf_unfiltered (gdb_stdlog, " = "); |
12c266ea | 1780 | for (i = 0; i < DEPRECATED_REGISTER_RAW_SIZE (regno); i++) |
bf0c5130 AC |
1781 | { |
1782 | fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]); | |
1783 | } | |
12c266ea | 1784 | if (DEPRECATED_REGISTER_RAW_SIZE (regno) <= sizeof (LONGEST)) |
bf0c5130 AC |
1785 | { |
1786 | fprintf_unfiltered (gdb_stdlog, " 0x%s %s", | |
1787 | paddr_nz (read_register (regno)), | |
1788 | paddr_d (read_register (regno))); | |
1789 | } | |
1790 | } | |
1791 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
1792 | } | |
1793 | ||
c906108c | 1794 | static void |
fba45db2 | 1795 | debug_to_fetch_registers (int regno) |
c906108c SS |
1796 | { |
1797 | debug_target.to_fetch_registers (regno); | |
bf0c5130 | 1798 | debug_print_register ("target_fetch_registers", regno); |
c906108c SS |
1799 | } |
1800 | ||
1801 | static void | |
fba45db2 | 1802 | debug_to_store_registers (int regno) |
c906108c SS |
1803 | { |
1804 | debug_target.to_store_registers (regno); | |
bf0c5130 AC |
1805 | debug_print_register ("target_store_registers", regno); |
1806 | fprintf_unfiltered (gdb_stdlog, "\n"); | |
c906108c SS |
1807 | } |
1808 | ||
1809 | static void | |
fba45db2 | 1810 | debug_to_prepare_to_store (void) |
c906108c SS |
1811 | { |
1812 | debug_target.to_prepare_to_store (); | |
1813 | ||
96baa820 | 1814 | fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n"); |
c906108c SS |
1815 | } |
1816 | ||
1817 | static int | |
fba45db2 | 1818 | debug_to_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, |
29e57380 | 1819 | struct mem_attrib *attrib, |
fba45db2 | 1820 | struct target_ops *target) |
c906108c SS |
1821 | { |
1822 | int retval; | |
1823 | ||
29e57380 C |
1824 | retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, |
1825 | attrib, target); | |
c906108c | 1826 | |
96baa820 | 1827 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 1828 | "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", |
c5aa993b | 1829 | (unsigned int) memaddr, /* possable truncate long long */ |
c906108c SS |
1830 | len, write ? "write" : "read", retval); |
1831 | ||
c5aa993b | 1832 | |
c906108c SS |
1833 | |
1834 | if (retval > 0) | |
1835 | { | |
1836 | int i; | |
1837 | ||
96baa820 | 1838 | fputs_unfiltered (", bytes =", gdb_stdlog); |
c906108c SS |
1839 | for (i = 0; i < retval; i++) |
1840 | { | |
1841 | if ((((long) &(myaddr[i])) & 0xf) == 0) | |
96baa820 JM |
1842 | fprintf_unfiltered (gdb_stdlog, "\n"); |
1843 | fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff); | |
c906108c SS |
1844 | } |
1845 | } | |
1846 | ||
96baa820 | 1847 | fputc_unfiltered ('\n', gdb_stdlog); |
c906108c SS |
1848 | |
1849 | return retval; | |
1850 | } | |
1851 | ||
1852 | static void | |
fba45db2 | 1853 | debug_to_files_info (struct target_ops *target) |
c906108c SS |
1854 | { |
1855 | debug_target.to_files_info (target); | |
1856 | ||
96baa820 | 1857 | fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n"); |
c906108c SS |
1858 | } |
1859 | ||
1860 | static int | |
fba45db2 | 1861 | debug_to_insert_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1862 | { |
1863 | int retval; | |
1864 | ||
1865 | retval = debug_target.to_insert_breakpoint (addr, save); | |
1866 | ||
96baa820 | 1867 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1868 | "target_insert_breakpoint (0x%lx, xxx) = %ld\n", |
1869 | (unsigned long) addr, | |
1870 | (unsigned long) retval); | |
c906108c SS |
1871 | return retval; |
1872 | } | |
1873 | ||
1874 | static int | |
fba45db2 | 1875 | debug_to_remove_breakpoint (CORE_ADDR addr, char *save) |
c906108c SS |
1876 | { |
1877 | int retval; | |
1878 | ||
1879 | retval = debug_target.to_remove_breakpoint (addr, save); | |
1880 | ||
96baa820 | 1881 | fprintf_unfiltered (gdb_stdlog, |
104c1213 JM |
1882 | "target_remove_breakpoint (0x%lx, xxx) = %ld\n", |
1883 | (unsigned long) addr, | |
1884 | (unsigned long) retval); | |
c906108c SS |
1885 | return retval; |
1886 | } | |
1887 | ||
ccaa32c7 GS |
1888 | static int |
1889 | debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty) | |
1890 | { | |
1891 | int retval; | |
1892 | ||
1893 | retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty); | |
1894 | ||
1895 | fprintf_unfiltered (gdb_stdlog, | |
1896 | "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n", | |
1897 | (unsigned long) type, | |
1898 | (unsigned long) cnt, | |
1899 | (unsigned long) from_tty, | |
1900 | (unsigned long) retval); | |
1901 | return retval; | |
1902 | } | |
1903 | ||
1904 | static int | |
1905 | debug_to_region_size_ok_for_hw_watchpoint (int byte_count) | |
1906 | { | |
1907 | CORE_ADDR retval; | |
1908 | ||
1909 | retval = debug_target.to_region_size_ok_for_hw_watchpoint (byte_count); | |
1910 | ||
1911 | fprintf_unfiltered (gdb_stdlog, | |
1912 | "TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (%ld) = 0x%lx\n", | |
1913 | (unsigned long) byte_count, | |
1914 | (unsigned long) retval); | |
1915 | return retval; | |
1916 | } | |
1917 | ||
1918 | static int | |
1919 | debug_to_stopped_by_watchpoint (void) | |
1920 | { | |
1921 | int retval; | |
1922 | ||
1923 | retval = debug_target.to_stopped_by_watchpoint (); | |
1924 | ||
1925 | fprintf_unfiltered (gdb_stdlog, | |
1926 | "STOPPED_BY_WATCHPOINT () = %ld\n", | |
1927 | (unsigned long) retval); | |
1928 | return retval; | |
1929 | } | |
1930 | ||
1931 | static CORE_ADDR | |
1932 | debug_to_stopped_data_address (void) | |
1933 | { | |
1934 | CORE_ADDR retval; | |
1935 | ||
1936 | retval = debug_target.to_stopped_data_address (); | |
1937 | ||
1938 | fprintf_unfiltered (gdb_stdlog, | |
1939 | "target_stopped_data_address () = 0x%lx\n", | |
1940 | (unsigned long) retval); | |
1941 | return retval; | |
1942 | } | |
1943 | ||
1944 | static int | |
1945 | debug_to_insert_hw_breakpoint (CORE_ADDR addr, char *save) | |
1946 | { | |
1947 | int retval; | |
1948 | ||
1949 | retval = debug_target.to_insert_hw_breakpoint (addr, save); | |
1950 | ||
1951 | fprintf_unfiltered (gdb_stdlog, | |
1952 | "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1953 | (unsigned long) addr, | |
1954 | (unsigned long) retval); | |
1955 | return retval; | |
1956 | } | |
1957 | ||
1958 | static int | |
1959 | debug_to_remove_hw_breakpoint (CORE_ADDR addr, char *save) | |
1960 | { | |
1961 | int retval; | |
1962 | ||
1963 | retval = debug_target.to_remove_hw_breakpoint (addr, save); | |
1964 | ||
1965 | fprintf_unfiltered (gdb_stdlog, | |
1966 | "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n", | |
1967 | (unsigned long) addr, | |
1968 | (unsigned long) retval); | |
1969 | return retval; | |
1970 | } | |
1971 | ||
1972 | static int | |
1973 | debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type) | |
1974 | { | |
1975 | int retval; | |
1976 | ||
1977 | retval = debug_target.to_insert_watchpoint (addr, len, type); | |
1978 | ||
1979 | fprintf_unfiltered (gdb_stdlog, | |
1980 | "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n", | |
1981 | (unsigned long) addr, len, type, (unsigned long) retval); | |
1982 | return retval; | |
1983 | } | |
1984 | ||
1985 | static int | |
1986 | debug_to_remove_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 | ||
c906108c | 1998 | static void |
fba45db2 | 1999 | debug_to_terminal_init (void) |
c906108c SS |
2000 | { |
2001 | debug_target.to_terminal_init (); | |
2002 | ||
96baa820 | 2003 | fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n"); |
c906108c SS |
2004 | } |
2005 | ||
2006 | static void | |
fba45db2 | 2007 | debug_to_terminal_inferior (void) |
c906108c SS |
2008 | { |
2009 | debug_target.to_terminal_inferior (); | |
2010 | ||
96baa820 | 2011 | fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n"); |
c906108c SS |
2012 | } |
2013 | ||
2014 | static void | |
fba45db2 | 2015 | debug_to_terminal_ours_for_output (void) |
c906108c SS |
2016 | { |
2017 | debug_target.to_terminal_ours_for_output (); | |
2018 | ||
96baa820 | 2019 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n"); |
c906108c SS |
2020 | } |
2021 | ||
2022 | static void | |
fba45db2 | 2023 | debug_to_terminal_ours (void) |
c906108c SS |
2024 | { |
2025 | debug_target.to_terminal_ours (); | |
2026 | ||
96baa820 | 2027 | fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n"); |
c906108c SS |
2028 | } |
2029 | ||
a790ad35 SC |
2030 | static void |
2031 | debug_to_terminal_save_ours (void) | |
2032 | { | |
2033 | debug_target.to_terminal_save_ours (); | |
2034 | ||
2035 | fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n"); | |
2036 | } | |
2037 | ||
c906108c | 2038 | static void |
fba45db2 | 2039 | debug_to_terminal_info (char *arg, int from_tty) |
c906108c SS |
2040 | { |
2041 | debug_target.to_terminal_info (arg, from_tty); | |
2042 | ||
96baa820 | 2043 | fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg, |
c906108c SS |
2044 | from_tty); |
2045 | } | |
2046 | ||
2047 | static void | |
fba45db2 | 2048 | debug_to_kill (void) |
c906108c SS |
2049 | { |
2050 | debug_target.to_kill (); | |
2051 | ||
96baa820 | 2052 | fprintf_unfiltered (gdb_stdlog, "target_kill ()\n"); |
c906108c SS |
2053 | } |
2054 | ||
2055 | static void | |
fba45db2 | 2056 | debug_to_load (char *args, int from_tty) |
c906108c SS |
2057 | { |
2058 | debug_target.to_load (args, from_tty); | |
2059 | ||
96baa820 | 2060 | fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty); |
c906108c SS |
2061 | } |
2062 | ||
2063 | static int | |
fba45db2 | 2064 | debug_to_lookup_symbol (char *name, CORE_ADDR *addrp) |
c906108c SS |
2065 | { |
2066 | int retval; | |
2067 | ||
2068 | retval = debug_target.to_lookup_symbol (name, addrp); | |
2069 | ||
96baa820 | 2070 | fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name); |
c906108c SS |
2071 | |
2072 | return retval; | |
2073 | } | |
2074 | ||
2075 | static void | |
fba45db2 | 2076 | debug_to_create_inferior (char *exec_file, char *args, char **env) |
c906108c SS |
2077 | { |
2078 | debug_target.to_create_inferior (exec_file, args, env); | |
2079 | ||
96baa820 | 2080 | fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx)\n", |
c906108c SS |
2081 | exec_file, args); |
2082 | } | |
2083 | ||
2084 | static void | |
39f77062 | 2085 | debug_to_post_startup_inferior (ptid_t ptid) |
c906108c | 2086 | { |
39f77062 | 2087 | debug_target.to_post_startup_inferior (ptid); |
c906108c | 2088 | |
96baa820 | 2089 | fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n", |
39f77062 | 2090 | PIDGET (ptid)); |
c906108c SS |
2091 | } |
2092 | ||
2093 | static void | |
fba45db2 | 2094 | debug_to_acknowledge_created_inferior (int pid) |
c906108c SS |
2095 | { |
2096 | debug_target.to_acknowledge_created_inferior (pid); | |
2097 | ||
96baa820 | 2098 | fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n", |
c906108c SS |
2099 | pid); |
2100 | } | |
2101 | ||
c906108c | 2102 | static int |
fba45db2 | 2103 | debug_to_insert_fork_catchpoint (int pid) |
c906108c | 2104 | { |
c5aa993b | 2105 | int retval; |
c906108c SS |
2106 | |
2107 | retval = debug_target.to_insert_fork_catchpoint (pid); | |
2108 | ||
96baa820 | 2109 | fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2110 | pid, retval); |
c906108c SS |
2111 | |
2112 | return retval; | |
2113 | } | |
2114 | ||
2115 | static int | |
fba45db2 | 2116 | debug_to_remove_fork_catchpoint (int pid) |
c906108c | 2117 | { |
c5aa993b | 2118 | int retval; |
c906108c SS |
2119 | |
2120 | retval = debug_target.to_remove_fork_catchpoint (pid); | |
2121 | ||
96baa820 | 2122 | fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n", |
c5aa993b | 2123 | pid, retval); |
c906108c SS |
2124 | |
2125 | return retval; | |
2126 | } | |
2127 | ||
2128 | static int | |
fba45db2 | 2129 | debug_to_insert_vfork_catchpoint (int pid) |
c906108c | 2130 | { |
c5aa993b | 2131 | int retval; |
c906108c SS |
2132 | |
2133 | retval = debug_target.to_insert_vfork_catchpoint (pid); | |
2134 | ||
96baa820 | 2135 | fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n", |
c5aa993b | 2136 | pid, retval); |
c906108c SS |
2137 | |
2138 | return retval; | |
2139 | } | |
2140 | ||
2141 | static int | |
fba45db2 | 2142 | debug_to_remove_vfork_catchpoint (int pid) |
c906108c | 2143 | { |
c5aa993b | 2144 | int retval; |
c906108c SS |
2145 | |
2146 | retval = debug_target.to_remove_vfork_catchpoint (pid); | |
2147 | ||
96baa820 | 2148 | fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n", |
c5aa993b | 2149 | pid, retval); |
c906108c SS |
2150 | |
2151 | return retval; | |
2152 | } | |
2153 | ||
6604731b DJ |
2154 | static int |
2155 | debug_to_follow_fork (int follow_child) | |
c906108c | 2156 | { |
6604731b | 2157 | int retval = debug_target.to_follow_fork (follow_child); |
c906108c | 2158 | |
6604731b DJ |
2159 | fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n", |
2160 | follow_child, retval); | |
2161 | ||
2162 | return retval; | |
c906108c SS |
2163 | } |
2164 | ||
2165 | static int | |
fba45db2 | 2166 | debug_to_insert_exec_catchpoint (int pid) |
c906108c | 2167 | { |
c5aa993b | 2168 | int retval; |
c906108c SS |
2169 | |
2170 | retval = debug_target.to_insert_exec_catchpoint (pid); | |
2171 | ||
96baa820 | 2172 | fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2173 | pid, retval); |
c906108c SS |
2174 | |
2175 | return retval; | |
2176 | } | |
2177 | ||
2178 | static int | |
fba45db2 | 2179 | debug_to_remove_exec_catchpoint (int pid) |
c906108c | 2180 | { |
c5aa993b | 2181 | int retval; |
c906108c SS |
2182 | |
2183 | retval = debug_target.to_remove_exec_catchpoint (pid); | |
2184 | ||
96baa820 | 2185 | fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n", |
c5aa993b | 2186 | pid, retval); |
c906108c SS |
2187 | |
2188 | return retval; | |
2189 | } | |
2190 | ||
c906108c | 2191 | static int |
fba45db2 | 2192 | debug_to_reported_exec_events_per_exec_call (void) |
c906108c | 2193 | { |
c5aa993b | 2194 | int reported_exec_events; |
c906108c SS |
2195 | |
2196 | reported_exec_events = debug_target.to_reported_exec_events_per_exec_call (); | |
2197 | ||
96baa820 | 2198 | fprintf_unfiltered (gdb_stdlog, |
c906108c | 2199 | "target_reported_exec_events_per_exec_call () = %d\n", |
c5aa993b | 2200 | reported_exec_events); |
c906108c SS |
2201 | |
2202 | return reported_exec_events; | |
2203 | } | |
2204 | ||
c906108c | 2205 | static int |
fba45db2 | 2206 | debug_to_has_exited (int pid, int wait_status, int *exit_status) |
c906108c | 2207 | { |
c5aa993b | 2208 | int has_exited; |
c906108c SS |
2209 | |
2210 | has_exited = debug_target.to_has_exited (pid, wait_status, exit_status); | |
2211 | ||
96baa820 | 2212 | fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n", |
c5aa993b | 2213 | pid, wait_status, *exit_status, has_exited); |
c906108c SS |
2214 | |
2215 | return has_exited; | |
2216 | } | |
2217 | ||
2218 | static void | |
fba45db2 | 2219 | debug_to_mourn_inferior (void) |
c906108c SS |
2220 | { |
2221 | debug_target.to_mourn_inferior (); | |
2222 | ||
96baa820 | 2223 | fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n"); |
c906108c SS |
2224 | } |
2225 | ||
2226 | static int | |
fba45db2 | 2227 | debug_to_can_run (void) |
c906108c SS |
2228 | { |
2229 | int retval; | |
2230 | ||
2231 | retval = debug_target.to_can_run (); | |
2232 | ||
96baa820 | 2233 | fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval); |
c906108c SS |
2234 | |
2235 | return retval; | |
2236 | } | |
2237 | ||
2238 | static void | |
39f77062 | 2239 | debug_to_notice_signals (ptid_t ptid) |
c906108c | 2240 | { |
39f77062 | 2241 | debug_target.to_notice_signals (ptid); |
c906108c | 2242 | |
39f77062 KB |
2243 | fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", |
2244 | PIDGET (ptid)); | |
c906108c SS |
2245 | } |
2246 | ||
2247 | static int | |
39f77062 | 2248 | debug_to_thread_alive (ptid_t ptid) |
c906108c SS |
2249 | { |
2250 | int retval; | |
2251 | ||
39f77062 | 2252 | retval = debug_target.to_thread_alive (ptid); |
c906108c | 2253 | |
96baa820 | 2254 | fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n", |
39f77062 | 2255 | PIDGET (ptid), retval); |
c906108c SS |
2256 | |
2257 | return retval; | |
2258 | } | |
2259 | ||
0d06e24b | 2260 | static void |
fba45db2 | 2261 | debug_to_find_new_threads (void) |
0d06e24b JM |
2262 | { |
2263 | debug_target.to_find_new_threads (); | |
2264 | ||
2265 | fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog); | |
2266 | } | |
2267 | ||
c906108c | 2268 | static void |
fba45db2 | 2269 | debug_to_stop (void) |
c906108c SS |
2270 | { |
2271 | debug_target.to_stop (); | |
2272 | ||
96baa820 | 2273 | fprintf_unfiltered (gdb_stdlog, "target_stop ()\n"); |
c906108c SS |
2274 | } |
2275 | ||
1e3ff5ad | 2276 | static LONGEST |
8aa91c1e AC |
2277 | debug_to_xfer_partial (struct target_ops *ops, enum target_object object, |
2278 | const char *annex, void *readbuf, const void *writebuf, | |
2279 | ULONGEST offset, LONGEST len) | |
1e3ff5ad AC |
2280 | { |
2281 | LONGEST retval; | |
2282 | ||
4b8a223f | 2283 | retval = debug_target.to_xfer_partial (&debug_target, object, annex, |
8aa91c1e | 2284 | readbuf, writebuf, offset, len); |
1e3ff5ad AC |
2285 | |
2286 | fprintf_unfiltered (gdb_stdlog, | |
4b8a223f | 2287 | "target_xfer_partial (%d, %s, 0x%lx, 0x%lx, 0x%s, %s) = %s\n", |
1e3ff5ad | 2288 | (int) object, (annex ? annex : "(null)"), |
8aa91c1e | 2289 | (long) readbuf, (long) writebuf, paddr_nz (offset), |
1e3ff5ad | 2290 | paddr_d (len), paddr_d (retval)); |
c906108c SS |
2291 | |
2292 | return retval; | |
2293 | } | |
2294 | ||
96baa820 JM |
2295 | static void |
2296 | debug_to_rcmd (char *command, | |
d9fcf2fb | 2297 | struct ui_file *outbuf) |
96baa820 JM |
2298 | { |
2299 | debug_target.to_rcmd (command, outbuf); | |
2300 | fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command); | |
2301 | } | |
2302 | ||
c906108c | 2303 | static struct symtab_and_line * |
fba45db2 | 2304 | debug_to_enable_exception_callback (enum exception_event_kind kind, int enable) |
c906108c | 2305 | { |
7a292a7a SS |
2306 | struct symtab_and_line *result; |
2307 | result = debug_target.to_enable_exception_callback (kind, enable); | |
96baa820 | 2308 | fprintf_unfiltered (gdb_stdlog, |
c906108c SS |
2309 | "target get_exception_callback_sal (%d, %d)\n", |
2310 | kind, enable); | |
7a292a7a | 2311 | return result; |
c906108c SS |
2312 | } |
2313 | ||
2314 | static struct exception_event_record * | |
fba45db2 | 2315 | debug_to_get_current_exception_event (void) |
c906108c | 2316 | { |
7a292a7a | 2317 | struct exception_event_record *result; |
c5aa993b | 2318 | result = debug_target.to_get_current_exception_event (); |
96baa820 | 2319 | fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n"); |
7a292a7a | 2320 | return result; |
c906108c SS |
2321 | } |
2322 | ||
2323 | static char * | |
fba45db2 | 2324 | debug_to_pid_to_exec_file (int pid) |
c906108c | 2325 | { |
c5aa993b | 2326 | char *exec_file; |
c906108c SS |
2327 | |
2328 | exec_file = debug_target.to_pid_to_exec_file (pid); | |
2329 | ||
96baa820 | 2330 | fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n", |
c5aa993b | 2331 | pid, exec_file); |
c906108c SS |
2332 | |
2333 | return exec_file; | |
2334 | } | |
2335 | ||
c906108c | 2336 | static void |
fba45db2 | 2337 | setup_target_debug (void) |
c906108c SS |
2338 | { |
2339 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
2340 | ||
2341 | current_target.to_open = debug_to_open; | |
2342 | current_target.to_close = debug_to_close; | |
2343 | current_target.to_attach = debug_to_attach; | |
2344 | current_target.to_post_attach = debug_to_post_attach; | |
c906108c | 2345 | current_target.to_detach = debug_to_detach; |
6ad8ae5c | 2346 | current_target.to_disconnect = debug_to_disconnect; |
c906108c SS |
2347 | current_target.to_resume = debug_to_resume; |
2348 | current_target.to_wait = debug_to_wait; | |
2349 | current_target.to_post_wait = debug_to_post_wait; | |
2350 | current_target.to_fetch_registers = debug_to_fetch_registers; | |
2351 | current_target.to_store_registers = debug_to_store_registers; | |
2352 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
2353 | current_target.to_xfer_memory = debug_to_xfer_memory; | |
2354 | current_target.to_files_info = debug_to_files_info; | |
2355 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
2356 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
ccaa32c7 GS |
2357 | current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint; |
2358 | current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint; | |
2359 | current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint; | |
2360 | current_target.to_insert_watchpoint = debug_to_insert_watchpoint; | |
2361 | current_target.to_remove_watchpoint = debug_to_remove_watchpoint; | |
2362 | current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint; | |
2363 | current_target.to_stopped_data_address = debug_to_stopped_data_address; | |
2364 | current_target.to_region_size_ok_for_hw_watchpoint = debug_to_region_size_ok_for_hw_watchpoint; | |
c906108c SS |
2365 | current_target.to_terminal_init = debug_to_terminal_init; |
2366 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
2367 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
2368 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
a790ad35 | 2369 | current_target.to_terminal_save_ours = debug_to_terminal_save_ours; |
c906108c SS |
2370 | current_target.to_terminal_info = debug_to_terminal_info; |
2371 | current_target.to_kill = debug_to_kill; | |
2372 | current_target.to_load = debug_to_load; | |
2373 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
2374 | current_target.to_create_inferior = debug_to_create_inferior; | |
2375 | current_target.to_post_startup_inferior = debug_to_post_startup_inferior; | |
2376 | current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior; | |
c906108c SS |
2377 | current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint; |
2378 | current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint; | |
2379 | current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint; | |
2380 | current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint; | |
6604731b | 2381 | current_target.to_follow_fork = debug_to_follow_fork; |
c906108c SS |
2382 | current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint; |
2383 | current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint; | |
c906108c | 2384 | current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call; |
c906108c SS |
2385 | current_target.to_has_exited = debug_to_has_exited; |
2386 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
2387 | current_target.to_can_run = debug_to_can_run; | |
2388 | current_target.to_notice_signals = debug_to_notice_signals; | |
2389 | current_target.to_thread_alive = debug_to_thread_alive; | |
0d06e24b | 2390 | current_target.to_find_new_threads = debug_to_find_new_threads; |
c906108c | 2391 | current_target.to_stop = debug_to_stop; |
4b8a223f | 2392 | current_target.to_xfer_partial = debug_to_xfer_partial; |
96baa820 | 2393 | current_target.to_rcmd = debug_to_rcmd; |
c906108c SS |
2394 | current_target.to_enable_exception_callback = debug_to_enable_exception_callback; |
2395 | current_target.to_get_current_exception_event = debug_to_get_current_exception_event; | |
2396 | current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file; | |
c906108c SS |
2397 | |
2398 | } | |
c906108c | 2399 | \f |
c5aa993b JM |
2400 | |
2401 | static char targ_desc[] = | |
2402 | "Names of targets and files being debugged.\n\ | |
c906108c SS |
2403 | Shows the entire stack of targets currently in use (including the exec-file,\n\ |
2404 | core-file, and process, if any), as well as the symbol file name."; | |
2405 | ||
96baa820 JM |
2406 | static void |
2407 | do_monitor_command (char *cmd, | |
2408 | int from_tty) | |
2409 | { | |
2b5fe715 AC |
2410 | if ((current_target.to_rcmd |
2411 | == (void (*) (char *, struct ui_file *)) tcomplain) | |
96baa820 | 2412 | || (current_target.to_rcmd == debug_to_rcmd |
2b5fe715 AC |
2413 | && (debug_target.to_rcmd |
2414 | == (void (*) (char *, struct ui_file *)) tcomplain))) | |
96baa820 JM |
2415 | { |
2416 | error ("\"monitor\" command not supported by this target.\n"); | |
2417 | } | |
2418 | target_rcmd (cmd, gdb_stdtarg); | |
2419 | } | |
2420 | ||
c906108c | 2421 | void |
fba45db2 | 2422 | initialize_targets (void) |
c906108c SS |
2423 | { |
2424 | init_dummy_target (); | |
2425 | push_target (&dummy_target); | |
2426 | ||
2427 | add_info ("target", target_info, targ_desc); | |
2428 | add_info ("files", target_info, targ_desc); | |
2429 | ||
3a11626d MS |
2430 | add_show_from_set |
2431 | (add_set_cmd ("target", class_maintenance, var_zinteger, | |
2432 | (char *) &targetdebug, | |
2433 | "Set target debugging.\n\ | |
5d161b24 | 2434 | When non-zero, target debugging is enabled.", &setdebuglist), |
3a11626d MS |
2435 | &showdebuglist); |
2436 | ||
e707bbc2 AC |
2437 | add_setshow_boolean_cmd ("trust-readonly-sections", class_support, |
2438 | &trust_readonly, "\ | |
2439 | Set mode for reading from readonly sections.\n\ | |
3a11626d MS |
2440 | When this mode is on, memory reads from readonly sections (such as .text)\n\ |
2441 | will be read from the object file instead of from the target. This will\n\ | |
e707bbc2 | 2442 | result in significant performance improvement for remote targets.", "\ |
c0e624e7 | 2443 | Show mode for reading from readonly sections.\n", |
e707bbc2 AC |
2444 | NULL, NULL, |
2445 | &setlist, &showlist); | |
96baa820 JM |
2446 | |
2447 | add_com ("monitor", class_obscure, do_monitor_command, | |
2448 | "Send a command to the remote monitor (remote targets only)."); | |
2449 | ||
8add0441 | 2450 | target_dcache = dcache_init (); |
c906108c | 2451 | } |