Commit | Line | Data |
---|---|---|
bd5635a1 | 1 | /* Select target systems and architectures at runtime for GDB. |
4ad0021e | 2 | Copyright 1990, 1992, 1993, 1994 Free Software Foundation, Inc. |
bd5635a1 RP |
3 | Contributed by Cygnus Support. |
4 | ||
5 | This file is part of GDB. | |
6 | ||
e17960fb | 7 | This program is free software; you can redistribute it and/or modify |
bd5635a1 | 8 | it under the terms of the GNU General Public License as published by |
e17960fb JG |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. | |
bd5635a1 | 11 | |
e17960fb | 12 | This program is distributed in the hope that it will be useful, |
bd5635a1 RP |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
e17960fb JG |
18 | along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
bd5635a1 | 20 | |
80d68b1d | 21 | #include "defs.h" |
bd5635a1 RP |
22 | #include <errno.h> |
23 | #include <ctype.h> | |
bd5635a1 RP |
24 | #include "target.h" |
25 | #include "gdbcmd.h" | |
26 | #include "symtab.h" | |
27 | #include "inferior.h" | |
28 | #include "bfd.h" | |
29 | #include "symfile.h" | |
51b57ded | 30 | #include "objfiles.h" |
4ad0021e JK |
31 | #include "wait.h" |
32 | #include <signal.h> | |
bd5635a1 | 33 | |
e17960fb JG |
34 | extern int errno; |
35 | ||
7919c3ed JG |
36 | static void |
37 | target_info PARAMS ((char *, int)); | |
38 | ||
39 | static void | |
40 | cleanup_target PARAMS ((struct target_ops *)); | |
41 | ||
42 | static void | |
43 | maybe_kill_then_create_inferior PARAMS ((char *, char *, char **)); | |
44 | ||
45 | static void | |
46 | maybe_kill_then_attach PARAMS ((char *, int)); | |
47 | ||
48 | static void | |
49 | kill_or_be_killed PARAMS ((int)); | |
50 | ||
51 | static void | |
52 | default_terminal_info PARAMS ((char *, int)); | |
53 | ||
54 | static int | |
55 | nosymbol PARAMS ((char *, CORE_ADDR *)); | |
56 | ||
7919c3ed JG |
57 | static void |
58 | tcomplain PARAMS ((void)); | |
59 | ||
60 | static int | |
4fc5969d | 61 | nomemory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *)); |
7919c3ed | 62 | |
597dc86b SG |
63 | static int |
64 | return_zero PARAMS ((void)); | |
65 | ||
7919c3ed JG |
66 | static void |
67 | ignore PARAMS ((void)); | |
597dc86b | 68 | |
7919c3ed JG |
69 | static void |
70 | target_command PARAMS ((char *, int)); | |
bd5635a1 | 71 | |
597dc86b SG |
72 | static struct target_ops * |
73 | find_default_run_target PARAMS ((char *)); | |
74 | ||
bd5635a1 RP |
75 | /* Pointer to array of target architecture structures; the size of the |
76 | array; the current index into the array; the allocated size of the | |
77 | array. */ | |
78 | struct target_ops **target_structs; | |
79 | unsigned target_struct_size; | |
80 | unsigned target_struct_index; | |
81 | unsigned target_struct_allocsize; | |
82 | #define DEFAULT_ALLOCSIZE 10 | |
83 | ||
84 | /* The initial current target, so that there is always a semi-valid | |
85 | current target. */ | |
86 | ||
43fc25c8 JL |
87 | struct target_ops dummy_target = { |
88 | "None", /* to_shortname */ | |
89 | "None", /* to_longname */ | |
90 | "", /* to_doc */ | |
91 | 0, /* to_open */ | |
92 | 0, /* to_close */ | |
93 | find_default_attach, /* to_attach */ | |
94 | 0, /* to_detach */ | |
95 | 0, /* to_resume */ | |
96 | 0, /* to_wait */ | |
97 | 0, /* to_fetch_registers */ | |
98 | 0, /* to_store_registers */ | |
99 | 0, /* to_prepare_to_store */ | |
100 | 0, /* to_xfer_memory */ | |
101 | 0, /* to_files_info */ | |
102 | 0, /* to_insert_breakpoint */ | |
103 | 0, /* to_remove_breakpoint */ | |
104 | 0, /* to_terminal_init */ | |
105 | 0, /* to_terminal_inferior */ | |
106 | 0, /* to_terminal_ours_for_output */ | |
107 | 0, /* to_terminal_ours */ | |
108 | 0, /* to_terminal_info */ | |
109 | 0, /* to_kill */ | |
110 | 0, /* to_load */ | |
111 | 0, /* to_lookup_symbol */ | |
112 | find_default_create_inferior, /* to_create_inferior */ | |
113 | 0, /* to_mourn_inferior */ | |
114 | 0, /* to_can_run */ | |
115 | 0, /* to_notice_signals */ | |
116 | 0, /* to_thread_alive */ | |
117 | 0, /* to_stop */ | |
118 | dummy_stratum, /* to_stratum */ | |
119 | 0, /* to_next */ | |
120 | 0, /* to_next */ | |
121 | 0, /* to_has_all_memory */ | |
122 | 0, /* to_has_memory */ | |
123 | 0, /* to_has_registers */ | |
124 | 0, /* to_has_execution */ | |
125 | 0, /* to_sections */ | |
126 | 0, /* to_sections_end */ | |
127 | OPS_MAGIC, /* to_magic */ | |
bd5635a1 RP |
128 | }; |
129 | ||
cad1498f | 130 | /* Top of target stack. */ |
bd5635a1 | 131 | |
cad1498f | 132 | struct target_stack_item *target_stack; |
bd5635a1 | 133 | |
cad1498f SG |
134 | /* The target structure we are currently using to talk to a process |
135 | or file or whatever "inferior" we have. */ | |
bd5635a1 | 136 | |
cad1498f | 137 | struct target_ops current_target; |
bd5635a1 | 138 | |
f2fc6e7a JK |
139 | /* Command list for target. */ |
140 | ||
141 | static struct cmd_list_element *targetlist = NULL; | |
142 | ||
16d2cc80 SS |
143 | /* Nonzero if we are debugging an attached outside process |
144 | rather than an inferior. */ | |
145 | ||
146 | int attach_flag; | |
147 | ||
43fc25c8 JL |
148 | #ifdef MAINTENANCE_CMDS |
149 | /* Non-zero if we want to see trace of target level stuff. */ | |
150 | ||
151 | static int targetdebug = 0; | |
152 | ||
153 | static void setup_target_debug PARAMS ((void)); | |
154 | ||
155 | #endif | |
156 | ||
f2fc6e7a JK |
157 | /* The user just typed 'target' without the name of a target. */ |
158 | ||
e1ce8aa5 | 159 | /* ARGSUSED */ |
f2fc6e7a JK |
160 | static void |
161 | target_command (arg, from_tty) | |
162 | char *arg; | |
163 | int from_tty; | |
164 | { | |
597dc86b | 165 | fputs_filtered ("Argument required (target name). Try `help target'\n", |
67ac9759 | 166 | gdb_stdout); |
f2fc6e7a | 167 | } |
bd5635a1 RP |
168 | |
169 | /* Add a possible target architecture to the list. */ | |
170 | ||
171 | void | |
172 | add_target (t) | |
173 | struct target_ops *t; | |
174 | { | |
bd5635a1 RP |
175 | if (!target_structs) |
176 | { | |
177 | target_struct_allocsize = DEFAULT_ALLOCSIZE; | |
178 | target_structs = (struct target_ops **) xmalloc | |
179 | (target_struct_allocsize * sizeof (*target_structs)); | |
180 | } | |
181 | if (target_struct_size >= target_struct_allocsize) | |
182 | { | |
183 | target_struct_allocsize *= 2; | |
7919c3ed JG |
184 | target_structs = (struct target_ops **) |
185 | xrealloc ((char *) target_structs, | |
186 | target_struct_allocsize * sizeof (*target_structs)); | |
bd5635a1 RP |
187 | } |
188 | target_structs[target_struct_size++] = t; | |
a3ecbe7c | 189 | /* cleanup_target (t);*/ |
f2fc6e7a JK |
190 | |
191 | if (targetlist == NULL) | |
192 | add_prefix_cmd ("target", class_run, target_command, | |
193 | "Connect to a target machine or process.\n\ | |
194 | The first argument is the type or protocol of the target machine.\n\ | |
195 | Remaining arguments are interpreted by the target protocol. For more\n\ | |
196 | information on the arguments for a particular protocol, type\n\ | |
197 | `help target ' followed by the protocol name.", | |
198 | &targetlist, "target ", 0, &cmdlist); | |
199 | add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist); | |
bd5635a1 RP |
200 | } |
201 | ||
202 | /* Stub functions */ | |
203 | ||
204 | static void | |
205 | ignore () | |
206 | { | |
207 | } | |
208 | ||
209 | /* ARGSUSED */ | |
210 | static int | |
4fc5969d | 211 | nomemory (memaddr, myaddr, len, write, t) |
bd5635a1 RP |
212 | CORE_ADDR memaddr; |
213 | char *myaddr; | |
214 | int len; | |
215 | int write; | |
4fc5969d | 216 | struct target_ops *t; |
bd5635a1 | 217 | { |
51b57ded | 218 | errno = EIO; /* Can't read/write this location */ |
bd5635a1 RP |
219 | return 0; /* No bytes handled */ |
220 | } | |
221 | ||
222 | static void | |
223 | tcomplain () | |
224 | { | |
225 | error ("You can't do that when your target is `%s'", | |
cad1498f | 226 | current_target.to_shortname); |
bd5635a1 RP |
227 | } |
228 | ||
80d68b1d | 229 | void |
bd5635a1 RP |
230 | noprocess () |
231 | { | |
232 | error ("You can't do that without a process to debug"); | |
233 | } | |
234 | ||
e1ce8aa5 | 235 | /* ARGSUSED */ |
bd5635a1 RP |
236 | static int |
237 | nosymbol (name, addrp) | |
238 | char *name; | |
239 | CORE_ADDR *addrp; | |
240 | { | |
241 | return 1; /* Symbol does not exist in target env */ | |
242 | } | |
243 | ||
e1ce8aa5 | 244 | /* ARGSUSED */ |
bd5635a1 RP |
245 | static void |
246 | default_terminal_info (args, from_tty) | |
247 | char *args; | |
248 | int from_tty; | |
249 | { | |
67ac9759 | 250 | printf_unfiltered("No saved terminal information.\n"); |
bd5635a1 RP |
251 | } |
252 | ||
bd5635a1 RP |
253 | /* This is the default target_create_inferior and target_attach function. |
254 | If the current target is executing, it asks whether to kill it off. | |
255 | If this function returns without calling error(), it has killed off | |
256 | the target, and the operation should be attempted. */ | |
257 | ||
258 | static void | |
259 | kill_or_be_killed (from_tty) | |
260 | int from_tty; | |
261 | { | |
bd5635a1 RP |
262 | if (target_has_execution) |
263 | { | |
67ac9759 | 264 | printf_unfiltered ("You are already running a program:\n"); |
bd5635a1 RP |
265 | target_files_info (); |
266 | if (query ("Kill it? ")) { | |
e17960fb | 267 | target_kill (); |
bd5635a1 RP |
268 | if (target_has_execution) |
269 | error ("Killing the program did not help."); | |
270 | return; | |
271 | } else { | |
272 | error ("Program not killed."); | |
273 | } | |
274 | } | |
275 | tcomplain(); | |
276 | } | |
277 | ||
278 | static void | |
279 | maybe_kill_then_attach (args, from_tty) | |
280 | char *args; | |
281 | int from_tty; | |
282 | { | |
283 | kill_or_be_killed (from_tty); | |
284 | target_attach (args, from_tty); | |
285 | } | |
286 | ||
287 | static void | |
288 | maybe_kill_then_create_inferior (exec, args, env) | |
289 | char *exec; | |
290 | char *args; | |
291 | char **env; | |
292 | { | |
293 | kill_or_be_killed (0); | |
294 | target_create_inferior (exec, args, env); | |
295 | } | |
296 | ||
297 | /* Clean up a target struct so it no longer has any zero pointers in it. | |
298 | We default entries, at least to stubs that print error messages. */ | |
299 | ||
300 | static void | |
301 | cleanup_target (t) | |
302 | struct target_ops *t; | |
303 | { | |
304 | ||
bd5635a1 RP |
305 | #define de_fault(field, value) \ |
306 | if (!t->field) t->field = value | |
307 | ||
308 | /* FIELD DEFAULT VALUE */ | |
309 | ||
7919c3ed | 310 | de_fault (to_open, (void (*)())tcomplain); |
bd5635a1 RP |
311 | de_fault (to_close, (void (*)())ignore); |
312 | de_fault (to_attach, maybe_kill_then_attach); | |
313 | de_fault (to_detach, (void (*)())ignore); | |
314 | de_fault (to_resume, (void (*)())noprocess); | |
7919c3ed JG |
315 | de_fault (to_wait, (int (*)())noprocess); |
316 | de_fault (to_fetch_registers, (void (*)())ignore); | |
e17960fb | 317 | de_fault (to_store_registers, (void (*)())noprocess); |
bd5635a1 | 318 | de_fault (to_prepare_to_store, (void (*)())noprocess); |
7919c3ed JG |
319 | de_fault (to_xfer_memory, (int (*)())nomemory); |
320 | de_fault (to_files_info, (void (*)())ignore); | |
bd5635a1 RP |
321 | de_fault (to_insert_breakpoint, memory_insert_breakpoint); |
322 | de_fault (to_remove_breakpoint, memory_remove_breakpoint); | |
323 | de_fault (to_terminal_init, ignore); | |
324 | de_fault (to_terminal_inferior, ignore); | |
325 | de_fault (to_terminal_ours_for_output,ignore); | |
326 | de_fault (to_terminal_ours, ignore); | |
327 | de_fault (to_terminal_info, default_terminal_info); | |
328 | de_fault (to_kill, (void (*)())noprocess); | |
7919c3ed | 329 | de_fault (to_load, (void (*)())tcomplain); |
bd5635a1 RP |
330 | de_fault (to_lookup_symbol, nosymbol); |
331 | de_fault (to_create_inferior, maybe_kill_then_create_inferior); | |
332 | de_fault (to_mourn_inferior, (void (*)())noprocess); | |
597dc86b | 333 | de_fault (to_can_run, return_zero); |
49781499 | 334 | de_fault (to_notice_signals, (void (*)())ignore); |
43fc25c8 JL |
335 | de_fault (to_thread_alive, (void (*)())ignore); |
336 | de_fault (to_stop, (void (*)())ignore); | |
bd5635a1 RP |
337 | |
338 | #undef de_fault | |
339 | } | |
340 | ||
cad1498f SG |
341 | /* Go through the target stack from top to bottom, copying over zero entries in |
342 | current_target. In effect, we are doing class inheritance through the | |
343 | pushed target vectors. */ | |
344 | ||
345 | static void | |
346 | update_current_target () | |
347 | { | |
348 | struct target_stack_item *item; | |
349 | struct target_ops *t; | |
350 | ||
351 | /* First, reset current_target */ | |
352 | memset (¤t_target, 0, sizeof current_target); | |
353 | ||
354 | for (item = target_stack; item; item = item->next) | |
355 | { | |
356 | t = item->target_ops; | |
357 | ||
358 | #define INHERIT(FIELD, TARGET) \ | |
359 | if (!current_target.FIELD) \ | |
360 | current_target.FIELD = TARGET->FIELD | |
361 | ||
362 | INHERIT (to_shortname, t); | |
363 | INHERIT (to_longname, t); | |
364 | INHERIT (to_doc, t); | |
365 | INHERIT (to_open, t); | |
366 | INHERIT (to_close, t); | |
367 | INHERIT (to_attach, t); | |
368 | INHERIT (to_detach, t); | |
369 | INHERIT (to_resume, t); | |
370 | INHERIT (to_wait, t); | |
371 | INHERIT (to_fetch_registers, t); | |
372 | INHERIT (to_store_registers, t); | |
373 | INHERIT (to_prepare_to_store, t); | |
374 | INHERIT (to_xfer_memory, t); | |
375 | INHERIT (to_files_info, t); | |
376 | INHERIT (to_insert_breakpoint, t); | |
377 | INHERIT (to_remove_breakpoint, t); | |
378 | INHERIT (to_terminal_init, t); | |
379 | INHERIT (to_terminal_inferior, t); | |
380 | INHERIT (to_terminal_ours_for_output, t); | |
381 | INHERIT (to_terminal_ours, t); | |
382 | INHERIT (to_terminal_info, t); | |
383 | INHERIT (to_kill, t); | |
384 | INHERIT (to_load, t); | |
385 | INHERIT (to_lookup_symbol, t); | |
386 | INHERIT (to_create_inferior, t); | |
387 | INHERIT (to_mourn_inferior, t); | |
388 | INHERIT (to_can_run, t); | |
389 | INHERIT (to_notice_signals, t); | |
43fc25c8 JL |
390 | INHERIT (to_thread_alive, t); |
391 | INHERIT (to_stop, t); | |
cad1498f SG |
392 | INHERIT (to_stratum, t); |
393 | INHERIT (DONT_USE, t); | |
394 | INHERIT (to_has_all_memory, t); | |
395 | INHERIT (to_has_memory, t); | |
396 | INHERIT (to_has_stack, t); | |
397 | INHERIT (to_has_registers, t); | |
398 | INHERIT (to_has_execution, t); | |
399 | INHERIT (to_sections, t); | |
400 | INHERIT (to_sections_end, t); | |
401 | INHERIT (to_magic, t); | |
402 | ||
403 | #undef INHERIT | |
404 | } | |
405 | } | |
406 | ||
bd5635a1 RP |
407 | /* Push a new target type into the stack of the existing target accessors, |
408 | possibly superseding some of the existing accessors. | |
409 | ||
410 | Result is zero if the pushed target ended up on top of the stack, | |
411 | nonzero if at least one target is on top of it. | |
412 | ||
413 | Rather than allow an empty stack, we always have the dummy target at | |
414 | the bottom stratum, so we can call the function vectors without | |
415 | checking them. */ | |
416 | ||
417 | int | |
418 | push_target (t) | |
419 | struct target_ops *t; | |
420 | { | |
cad1498f SG |
421 | struct target_stack_item *cur, *prev, *tmp; |
422 | ||
423 | /* Check magic number. If wrong, it probably means someone changed | |
424 | the struct definition, but not all the places that initialize one. */ | |
425 | if (t->to_magic != OPS_MAGIC) | |
426 | { | |
427 | fprintf_unfiltered(gdb_stderr, | |
428 | "Magic number of %s target struct wrong\n", | |
429 | t->to_shortname); | |
430 | abort(); | |
431 | } | |
432 | ||
433 | /* Find the proper stratum to install this target in. */ | |
434 | ||
435 | for (prev = NULL, cur = target_stack; cur; prev = cur, cur = cur->next) | |
436 | { | |
437 | if ((int)(t->to_stratum) >= (int)(cur->target_ops->to_stratum)) | |
438 | break; | |
439 | } | |
440 | ||
441 | /* If there's already targets at this stratum, remove them. */ | |
442 | ||
443 | if (cur) | |
444 | while (t->to_stratum == cur->target_ops->to_stratum) | |
445 | { | |
446 | /* There's already something on this stratum. Close it off. */ | |
447 | (cur->target_ops->to_close) (0); | |
448 | if (prev) | |
449 | prev->next = cur->next; /* Unchain old target_ops */ | |
450 | else | |
451 | target_stack = cur->next; /* Unchain first on list */ | |
452 | tmp = cur->next; | |
453 | free (cur); | |
454 | cur = tmp; | |
455 | } | |
456 | ||
457 | /* We have removed all targets in our stratum, now add the new one. */ | |
458 | ||
f6d5d006 JK |
459 | tmp = (struct target_stack_item *) |
460 | xmalloc (sizeof (struct target_stack_item)); | |
cad1498f SG |
461 | tmp->next = cur; |
462 | tmp->target_ops = t; | |
bd5635a1 | 463 | |
bd5635a1 | 464 | if (prev) |
cad1498f | 465 | prev->next = tmp; |
bd5635a1 | 466 | else |
cad1498f SG |
467 | target_stack = tmp; |
468 | ||
469 | update_current_target (); | |
bd5635a1 | 470 | |
cad1498f | 471 | cleanup_target (¤t_target); /* Fill in the gaps */ |
43fc25c8 JL |
472 | |
473 | #ifdef MAINTENANCE_CMDS | |
474 | if (targetdebug) | |
475 | setup_target_debug (); | |
476 | #endif | |
477 | ||
bd5635a1 RP |
478 | return prev != 0; |
479 | } | |
480 | ||
481 | /* Remove a target_ops vector from the stack, wherever it may be. | |
cad1498f | 482 | Return how many times it was removed (0 or 1). */ |
bd5635a1 RP |
483 | |
484 | int | |
485 | unpush_target (t) | |
486 | struct target_ops *t; | |
487 | { | |
cad1498f | 488 | struct target_stack_item *cur, *prev; |
bd5635a1 | 489 | |
a3ecbe7c SG |
490 | if (t->to_close) |
491 | t->to_close (0); /* Let it clean up */ | |
67e947de | 492 | |
cad1498f SG |
493 | /* Look for the specified target. Note that we assume that a target |
494 | can only occur once in the target stack. */ | |
495 | ||
496 | for (cur = target_stack, prev = NULL; cur; prev = cur, cur = cur->next) | |
497 | if (cur->target_ops == t) | |
498 | break; | |
499 | ||
500 | if (!cur) | |
501 | return 0; /* Didn't find target_ops, quit now */ | |
502 | ||
503 | /* Unchain the target */ | |
504 | ||
505 | if (!prev) | |
67e947de | 506 | target_stack = cur->next; |
cad1498f SG |
507 | else |
508 | prev->next = cur->next; | |
509 | ||
510 | free (cur); /* Release the target_stack_item */ | |
511 | ||
67e947de SG |
512 | update_current_target (); |
513 | cleanup_target (¤t_target); | |
cad1498f SG |
514 | |
515 | return 1; | |
bd5635a1 RP |
516 | } |
517 | ||
518 | void | |
519 | pop_target () | |
520 | { | |
cad1498f SG |
521 | (current_target.to_close)(0); /* Let it clean up */ |
522 | if (unpush_target (target_stack->target_ops) == 1) | |
523 | return; | |
524 | ||
525 | fprintf_unfiltered(gdb_stderr, | |
526 | "pop_target couldn't find target %s\n", | |
527 | current_target.to_shortname); | |
528 | abort(); | |
bd5635a1 RP |
529 | } |
530 | ||
49781499 | 531 | #undef MIN |
e17960fb JG |
532 | #define MIN(A, B) (((A) <= (B)) ? (A) : (B)) |
533 | ||
4ad0021e JK |
534 | /* target_read_string -- read a null terminated string, up to LEN bytes, |
535 | from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful. | |
536 | Set *STRING to a pointer to malloc'd memory containing the data; the caller | |
537 | is responsible for freeing it. Return the number of bytes successfully | |
538 | read. */ | |
e17960fb JG |
539 | |
540 | int | |
4ad0021e | 541 | target_read_string (memaddr, string, len, errnop) |
e17960fb | 542 | CORE_ADDR memaddr; |
4ad0021e | 543 | char **string; |
e17960fb | 544 | int len; |
4ad0021e | 545 | int *errnop; |
e17960fb JG |
546 | { |
547 | int tlen, origlen, offset, i; | |
548 | char buf[4]; | |
4ad0021e JK |
549 | int errcode = 0; |
550 | char *buffer; | |
551 | int buffer_allocated; | |
552 | char *bufptr; | |
553 | unsigned int nbytes_read = 0; | |
554 | ||
555 | /* Small for testing. */ | |
556 | buffer_allocated = 4; | |
557 | buffer = xmalloc (buffer_allocated); | |
558 | bufptr = buffer; | |
e17960fb JG |
559 | |
560 | origlen = len; | |
561 | ||
562 | while (len > 0) | |
563 | { | |
564 | tlen = MIN (len, 4 - (memaddr & 3)); | |
565 | offset = memaddr & 3; | |
566 | ||
4ad0021e JK |
567 | errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0); |
568 | if (errcode != 0) | |
569 | goto done; | |
570 | ||
571 | if (bufptr - buffer + tlen > buffer_allocated) | |
572 | { | |
573 | unsigned int bytes; | |
574 | bytes = bufptr - buffer; | |
575 | buffer_allocated *= 2; | |
576 | buffer = xrealloc (buffer, buffer_allocated); | |
577 | bufptr = buffer + bytes; | |
578 | } | |
e17960fb JG |
579 | |
580 | for (i = 0; i < tlen; i++) | |
581 | { | |
4ad0021e | 582 | *bufptr++ = buf[i + offset]; |
e17960fb | 583 | if (buf[i + offset] == '\000') |
4ad0021e JK |
584 | { |
585 | nbytes_read += i + 1; | |
586 | goto done; | |
587 | } | |
e17960fb JG |
588 | } |
589 | ||
590 | memaddr += tlen; | |
591 | len -= tlen; | |
4ad0021e | 592 | nbytes_read += tlen; |
e17960fb | 593 | } |
4ad0021e JK |
594 | done: |
595 | if (errnop != NULL) | |
596 | *errnop = errcode; | |
597 | if (string != NULL) | |
598 | *string = buffer; | |
599 | return nbytes_read; | |
e17960fb JG |
600 | } |
601 | ||
49781499 JK |
602 | /* Read LEN bytes of target memory at address MEMADDR, placing the results in |
603 | GDB's memory at MYADDR. Returns either 0 for success or an errno value | |
604 | if any error occurs. | |
bd5635a1 | 605 | |
49781499 JK |
606 | If an error occurs, no guarantee is made about the contents of the data at |
607 | MYADDR. In particular, the caller should not depend upon partial reads | |
608 | filling the buffer with good data. There is no way for the caller to know | |
609 | how much good data might have been transfered anyway. Callers that can | |
610 | deal with partial reads should call target_read_memory_partial. */ | |
bd5635a1 RP |
611 | |
612 | int | |
613 | target_read_memory (memaddr, myaddr, len) | |
614 | CORE_ADDR memaddr; | |
615 | char *myaddr; | |
616 | int len; | |
617 | { | |
618 | return target_xfer_memory (memaddr, myaddr, len, 0); | |
619 | } | |
620 | ||
49781499 JK |
621 | /* Read LEN bytes of target memory at address MEMADDR, placing the results |
622 | in GDB's memory at MYADDR. Returns a count of the bytes actually read, | |
623 | and optionally an errno value in the location pointed to by ERRNOPTR | |
624 | if ERRNOPTR is non-null. */ | |
625 | ||
626 | int | |
627 | target_read_memory_partial (memaddr, myaddr, len, errnoptr) | |
628 | CORE_ADDR memaddr; | |
629 | char *myaddr; | |
630 | int len; | |
631 | int *errnoptr; | |
632 | { | |
633 | int nread; /* Number of bytes actually read. */ | |
634 | int errcode; /* Error from last read. */ | |
635 | ||
636 | /* First try a complete read. */ | |
637 | errcode = target_xfer_memory (memaddr, myaddr, len, 0); | |
638 | if (errcode == 0) | |
639 | { | |
640 | /* Got it all. */ | |
641 | nread = len; | |
642 | } | |
643 | else | |
644 | { | |
645 | /* Loop, reading one byte at a time until we get as much as we can. */ | |
646 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) | |
647 | { | |
648 | errcode = target_xfer_memory (memaddr++, myaddr++, 1, 0); | |
649 | } | |
650 | /* If an error, the last read was unsuccessful, so adjust count. */ | |
651 | if (errcode != 0) | |
652 | { | |
653 | nread--; | |
654 | } | |
655 | } | |
656 | if (errnoptr != NULL) | |
657 | { | |
658 | *errnoptr = errcode; | |
659 | } | |
660 | return (nread); | |
661 | } | |
662 | ||
bd5635a1 RP |
663 | int |
664 | target_write_memory (memaddr, myaddr, len) | |
665 | CORE_ADDR memaddr; | |
666 | char *myaddr; | |
667 | int len; | |
668 | { | |
669 | return target_xfer_memory (memaddr, myaddr, len, 1); | |
670 | } | |
671 | ||
49781499 JK |
672 | /* Move memory to or from the targets. Iterate until all of it has |
673 | been moved, if necessary. The top target gets priority; anything | |
674 | it doesn't want, is offered to the next one down, etc. Note the | |
675 | business with curlen: if an early target says "no, but I have a | |
676 | boundary overlapping this xfer" then we shorten what we offer to | |
677 | the subsequent targets so the early guy will get a chance at the | |
678 | tail before the subsequent ones do. | |
679 | ||
680 | Result is 0 or errno value. */ | |
681 | ||
bd5635a1 RP |
682 | int |
683 | target_xfer_memory (memaddr, myaddr, len, write) | |
684 | CORE_ADDR memaddr; | |
685 | char *myaddr; | |
686 | int len; | |
687 | int write; | |
688 | { | |
689 | int curlen; | |
690 | int res; | |
691 | struct target_ops *t; | |
cad1498f | 692 | struct target_stack_item *item; |
49781499 JK |
693 | |
694 | /* to_xfer_memory is not guaranteed to set errno, even when it returns | |
695 | 0. */ | |
696 | errno = 0; | |
697 | ||
bd5635a1 | 698 | /* The quick case is that the top target does it all. */ |
cad1498f SG |
699 | res = current_target.to_xfer_memory |
700 | (memaddr, myaddr, len, write, ¤t_target); | |
bd5635a1 RP |
701 | if (res == len) |
702 | return 0; | |
703 | ||
704 | if (res > 0) | |
705 | goto bump; | |
706 | /* If res <= 0 then we call it again in the loop. Ah well. */ | |
707 | ||
708 | for (; len > 0;) | |
709 | { | |
710 | curlen = len; /* Want to do it all */ | |
cad1498f | 711 | for (item = target_stack; item; item = item->next) |
bd5635a1 | 712 | { |
cad1498f | 713 | t = item->target_ops; |
a3ecbe7c SG |
714 | if (!t->to_has_memory) |
715 | continue; | |
cad1498f SG |
716 | |
717 | res = t->to_xfer_memory (memaddr, myaddr, curlen, write, t); | |
718 | if (res > 0) | |
719 | break; /* Handled all or part of xfer */ | |
720 | if (t->to_has_all_memory) | |
721 | break; | |
bd5635a1 | 722 | } |
cad1498f | 723 | |
bd5635a1 RP |
724 | if (res <= 0) |
725 | { | |
726 | /* If this address is for nonexistent memory, | |
727 | read zeros if reading, or do nothing if writing. Return error. */ | |
728 | if (!write) | |
a8e033f2 | 729 | memset (myaddr, 0, len); |
e17960fb JG |
730 | if (errno == 0) |
731 | return EIO; | |
732 | else | |
733 | return errno; | |
bd5635a1 RP |
734 | } |
735 | bump: | |
736 | memaddr += res; | |
737 | myaddr += res; | |
738 | len -= res; | |
739 | } | |
740 | return 0; /* We managed to cover it all somehow. */ | |
741 | } | |
742 | ||
743 | ||
e1ce8aa5 | 744 | /* ARGSUSED */ |
bd5635a1 RP |
745 | static void |
746 | target_info (args, from_tty) | |
747 | char *args; | |
748 | int from_tty; | |
749 | { | |
750 | struct target_ops *t; | |
cad1498f | 751 | struct target_stack_item *item; |
bd5635a1 RP |
752 | int has_all_mem = 0; |
753 | ||
80d68b1d | 754 | if (symfile_objfile != NULL) |
67ac9759 | 755 | printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name); |
bd5635a1 RP |
756 | |
757 | #ifdef FILES_INFO_HOOK | |
758 | if (FILES_INFO_HOOK ()) | |
759 | return; | |
760 | #endif | |
761 | ||
cad1498f | 762 | for (item = target_stack; item; item = item->next) |
bd5635a1 | 763 | { |
cad1498f SG |
764 | t = item->target_ops; |
765 | ||
a3ecbe7c SG |
766 | if (!t->to_has_memory) |
767 | continue; | |
768 | ||
bd5635a1 RP |
769 | if ((int)(t->to_stratum) <= (int)dummy_stratum) |
770 | continue; | |
771 | if (has_all_mem) | |
cad1498f | 772 | printf_unfiltered("\tWhile running this, GDB does not access memory from...\n"); |
67ac9759 | 773 | printf_unfiltered("%s:\n", t->to_longname); |
e17960fb | 774 | (t->to_files_info)(t); |
bd5635a1 RP |
775 | has_all_mem = t->to_has_all_memory; |
776 | } | |
777 | } | |
778 | ||
f2fc6e7a JK |
779 | /* This is to be called by the open routine before it does |
780 | anything. */ | |
bd5635a1 | 781 | |
f2fc6e7a JK |
782 | void |
783 | target_preopen (from_tty) | |
bd5635a1 RP |
784 | int from_tty; |
785 | { | |
bd5635a1 RP |
786 | dont_repeat(); |
787 | ||
bd5635a1 RP |
788 | if (target_has_execution) |
789 | { | |
790 | if (query ("A program is being debugged already. Kill it? ")) | |
e17960fb | 791 | target_kill (); |
bd5635a1 RP |
792 | else |
793 | error ("Program not killed."); | |
794 | } | |
4ad0021e JK |
795 | |
796 | /* Calling target_kill may remove the target from the stack. But if | |
797 | it doesn't (which seems like a win for UDI), remove it now. */ | |
798 | ||
799 | if (target_has_execution) | |
800 | pop_target (); | |
bd5635a1 RP |
801 | } |
802 | ||
49781499 JK |
803 | /* Detach a target after doing deferred register stores. */ |
804 | ||
805 | void | |
806 | target_detach (args, from_tty) | |
807 | char *args; | |
808 | int from_tty; | |
809 | { | |
810 | /* Handle any optimized stores to the inferior. */ | |
811 | #ifdef DO_DEFERRED_STORES | |
812 | DO_DEFERRED_STORES; | |
813 | #endif | |
cad1498f | 814 | (current_target.to_detach) (args, from_tty); |
49781499 JK |
815 | } |
816 | ||
1340861c KH |
817 | void |
818 | target_link (modname, t_reloc) | |
819 | char *modname; | |
820 | CORE_ADDR *t_reloc; | |
821 | { | |
cad1498f | 822 | if (STREQ(current_target.to_shortname, "rombug")) |
1340861c | 823 | { |
cad1498f | 824 | (current_target.to_lookup_symbol) (modname, t_reloc); |
16d2cc80 SS |
825 | if (*t_reloc == 0) |
826 | error("Unable to link to %s and get relocation in rombug", modname); | |
1340861c KH |
827 | } |
828 | else | |
829 | *t_reloc = (CORE_ADDR)-1; | |
830 | } | |
831 | ||
597dc86b SG |
832 | /* Look through the list of possible targets for a target that can |
833 | execute a run or attach command without any other data. This is | |
834 | used to locate the default process stratum. | |
835 | ||
836 | Result is always valid (error() is called for errors). */ | |
837 | ||
838 | static struct target_ops * | |
839 | find_default_run_target (do_mesg) | |
840 | char *do_mesg; | |
841 | { | |
842 | struct target_ops **t; | |
49781499 | 843 | struct target_ops *runable = NULL; |
597dc86b SG |
844 | int count; |
845 | ||
846 | count = 0; | |
847 | ||
848 | for (t = target_structs; t < target_structs + target_struct_size; | |
849 | ++t) | |
850 | { | |
43fc25c8 | 851 | if ((*t)->to_can_run && target_can_run(*t)) |
597dc86b SG |
852 | { |
853 | runable = *t; | |
854 | ++count; | |
855 | } | |
856 | } | |
857 | ||
858 | if (count != 1) | |
859 | error ("Don't know how to %s. Try \"help target\".", do_mesg); | |
860 | ||
861 | return runable; | |
862 | } | |
863 | ||
864 | void | |
865 | find_default_attach (args, from_tty) | |
866 | char *args; | |
867 | int from_tty; | |
868 | { | |
869 | struct target_ops *t; | |
870 | ||
871 | t = find_default_run_target("attach"); | |
872 | (t->to_attach) (args, from_tty); | |
873 | return; | |
874 | } | |
875 | ||
876 | void | |
877 | find_default_create_inferior (exec_file, allargs, env) | |
878 | char *exec_file; | |
879 | char *allargs; | |
880 | char **env; | |
881 | { | |
882 | struct target_ops *t; | |
883 | ||
884 | t = find_default_run_target("run"); | |
885 | (t->to_create_inferior) (exec_file, allargs, env); | |
886 | return; | |
887 | } | |
888 | ||
889 | static int | |
890 | return_zero () | |
891 | { | |
892 | return 0; | |
893 | } | |
894 | ||
49781499 JK |
895 | struct target_ops * |
896 | find_core_target () | |
897 | { | |
898 | struct target_ops **t; | |
899 | struct target_ops *runable = NULL; | |
900 | int count; | |
901 | ||
902 | count = 0; | |
903 | ||
904 | for (t = target_structs; t < target_structs + target_struct_size; | |
905 | ++t) | |
906 | { | |
907 | if ((*t)->to_stratum == core_stratum) | |
908 | { | |
909 | runable = *t; | |
910 | ++count; | |
911 | } | |
912 | } | |
913 | ||
914 | return(count == 1 ? runable : NULL); | |
915 | } | |
67ac9759 | 916 | \f |
16d2cc80 SS |
917 | /* The inferior process has died. Long live the inferior! */ |
918 | ||
919 | void | |
920 | generic_mourn_inferior () | |
921 | { | |
cad1498f SG |
922 | extern int show_breakpoint_hit_counts; |
923 | ||
16d2cc80 SS |
924 | inferior_pid = 0; |
925 | attach_flag = 0; | |
926 | breakpoint_init_inferior (); | |
927 | registers_changed (); | |
928 | ||
929 | #ifdef CLEAR_DEFERRED_STORES | |
930 | /* Delete any pending stores to the inferior... */ | |
931 | CLEAR_DEFERRED_STORES; | |
932 | #endif | |
933 | ||
934 | reopen_exec_file (); | |
935 | reinit_frame_cache (); | |
936 | ||
937 | /* It is confusing to the user for ignore counts to stick around | |
938 | from previous runs of the inferior. So clear them. */ | |
cad1498f SG |
939 | /* However, it is more confusing for the ignore counts to disappear when |
940 | using hit counts. So don't clear them if we're counting hits. */ | |
941 | if (!show_breakpoint_hit_counts) | |
942 | breakpoint_clear_ignore_counts (); | |
16d2cc80 SS |
943 | } |
944 | \f | |
67ac9759 JK |
945 | /* This table must match in order and size the signals in enum target_signal |
946 | in target.h. */ | |
947 | static struct { | |
948 | char *name; | |
949 | char *string; | |
950 | } signals [] = | |
951 | { | |
952 | {"0", "Signal 0"}, | |
953 | {"SIGHUP", "Hangup"}, | |
954 | {"SIGINT", "Interrupt"}, | |
955 | {"SIGQUIT", "Quit"}, | |
956 | {"SIGILL", "Illegal instruction"}, | |
957 | {"SIGTRAP", "Trace/breakpoint trap"}, | |
958 | {"SIGABRT", "Aborted"}, | |
959 | {"SIGEMT", "Emulation trap"}, | |
960 | {"SIGFPE", "Arithmetic exception"}, | |
961 | {"SIGKILL", "Killed"}, | |
962 | {"SIGBUS", "Bus error"}, | |
963 | {"SIGSEGV", "Segmentation fault"}, | |
964 | {"SIGSYS", "Bad system call"}, | |
965 | {"SIGPIPE", "Broken pipe"}, | |
966 | {"SIGALRM", "Alarm clock"}, | |
967 | {"SIGTERM", "Terminated"}, | |
968 | {"SIGURG", "Urgent I/O condition"}, | |
969 | {"SIGSTOP", "Stopped (signal)"}, | |
970 | {"SIGTSTP", "Stopped (user)"}, | |
971 | {"SIGCONT", "Continued"}, | |
972 | {"SIGCHLD", "Child status changed"}, | |
973 | {"SIGTTIN", "Stopped (tty input)"}, | |
974 | {"SIGTTOU", "Stopped (tty output)"}, | |
975 | {"SIGIO", "I/O possible"}, | |
976 | {"SIGXCPU", "CPU time limit exceeded"}, | |
977 | {"SIGXFSZ", "File size limit exceeded"}, | |
978 | {"SIGVTALRM", "Virtual timer expired"}, | |
979 | {"SIGPROF", "Profiling timer expired"}, | |
980 | {"SIGWINCH", "Window size changed"}, | |
981 | {"SIGLOST", "Resource lost"}, | |
982 | {"SIGUSR1", "User defined signal 1"}, | |
983 | {"SIGUSR2", "User defined signal 2"}, | |
984 | {"SIGPWR", "Power fail/restart"}, | |
985 | {"SIGPOLL", "Pollable event occurred"}, | |
986 | {"SIGWIND", "SIGWIND"}, | |
987 | {"SIGPHONE", "SIGPHONE"}, | |
988 | {"SIGWAITING", "Process's LWPs are blocked"}, | |
989 | {"SIGLWP", "Signal LWP"}, | |
990 | {"SIGDANGER", "Swap space dangerously low"}, | |
991 | {"SIGGRANT", "Monitor mode granted"}, | |
992 | {"SIGRETRACT", "Need to relinguish monitor mode"}, | |
993 | {"SIGMSG", "Monitor mode data available"}, | |
994 | {"SIGSOUND", "Sound completed"}, | |
995 | {"SIGSAK", "Secure attention"}, | |
43fc25c8 JL |
996 | {"SIGPRIO", "SIGPRIO"}, |
997 | {"SIG33", "Real-time event 33"}, | |
998 | {"SIG34", "Real-time event 34"}, | |
999 | {"SIG35", "Real-time event 35"}, | |
1000 | {"SIG36", "Real-time event 36"}, | |
1001 | {"SIG37", "Real-time event 37"}, | |
1002 | {"SIG38", "Real-time event 38"}, | |
1003 | {"SIG39", "Real-time event 39"}, | |
1004 | {"SIG40", "Real-time event 40"}, | |
1005 | {"SIG41", "Real-time event 41"}, | |
1006 | {"SIG42", "Real-time event 42"}, | |
1007 | {"SIG43", "Real-time event 43"}, | |
1008 | {"SIG44", "Real-time event 44"}, | |
1009 | {"SIG45", "Real-time event 45"}, | |
1010 | {"SIG46", "Real-time event 46"}, | |
1011 | {"SIG47", "Real-time event 47"}, | |
1012 | {"SIG48", "Real-time event 48"}, | |
1013 | {"SIG49", "Real-time event 49"}, | |
1014 | {"SIG50", "Real-time event 50"}, | |
1015 | {"SIG51", "Real-time event 51"}, | |
1016 | {"SIG52", "Real-time event 52"}, | |
1017 | {"SIG53", "Real-time event 53"}, | |
1018 | {"SIG54", "Real-time event 54"}, | |
1019 | {"SIG55", "Real-time event 55"}, | |
1020 | {"SIG56", "Real-time event 56"}, | |
1021 | {"SIG57", "Real-time event 57"}, | |
1022 | {"SIG58", "Real-time event 58"}, | |
1023 | {"SIG59", "Real-time event 59"}, | |
1024 | {"SIG60", "Real-time event 60"}, | |
1025 | {"SIG61", "Real-time event 61"}, | |
1026 | {"SIG62", "Real-time event 62"}, | |
1027 | {"SIG63", "Real-time event 63"}, | |
1028 | ||
67ac9759 | 1029 | {NULL, "Unknown signal"}, |
4ad0021e JK |
1030 | {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"}, |
1031 | ||
67ac9759 JK |
1032 | /* Last entry, used to check whether the table is the right size. */ |
1033 | {NULL, "TARGET_SIGNAL_MAGIC"} | |
1034 | }; | |
1035 | ||
1036 | /* Return the string for a signal. */ | |
1037 | char * | |
1038 | target_signal_to_string (sig) | |
1039 | enum target_signal sig; | |
1040 | { | |
1041 | return signals[sig].string; | |
1042 | } | |
1043 | ||
1044 | /* Return the name for a signal. */ | |
1045 | char * | |
1046 | target_signal_to_name (sig) | |
1047 | enum target_signal sig; | |
1048 | { | |
1049 | if (sig == TARGET_SIGNAL_UNKNOWN) | |
1050 | /* I think the code which prints this will always print it along with | |
1051 | the string, so no need to be verbose. */ | |
1052 | return "?"; | |
1053 | return signals[sig].name; | |
1054 | } | |
1055 | ||
1056 | /* Given a name, return its signal. */ | |
1057 | enum target_signal | |
1058 | target_signal_from_name (name) | |
1059 | char *name; | |
1060 | { | |
1061 | enum target_signal sig; | |
1062 | ||
1063 | /* It's possible we also should allow "SIGCLD" as well as "SIGCHLD" | |
1064 | for TARGET_SIGNAL_SIGCHLD. SIGIOT, on the other hand, is more | |
1065 | questionable; seems like by now people should call it SIGABRT | |
1066 | instead. */ | |
1067 | ||
4ad0021e JK |
1068 | /* This ugly cast brought to you by the native VAX compiler. */ |
1069 | for (sig = TARGET_SIGNAL_HUP; | |
1070 | signals[sig].name != NULL; | |
1071 | sig = (enum target_signal)((int)sig + 1)) | |
67ac9759 JK |
1072 | if (STREQ (name, signals[sig].name)) |
1073 | return sig; | |
1074 | return TARGET_SIGNAL_UNKNOWN; | |
1075 | } | |
4ad0021e JK |
1076 | \f |
1077 | /* The following functions are to help certain targets deal | |
1078 | with the signal/waitstatus stuff. They could just as well be in | |
1079 | a file called native-utils.c or unixwaitstatus-utils.c or whatever. */ | |
1080 | ||
1081 | /* Convert host signal to our signals. */ | |
1082 | enum target_signal | |
1083 | target_signal_from_host (hostsig) | |
1084 | int hostsig; | |
1085 | { | |
1086 | /* A switch statement would make sense but would require special kludges | |
1087 | to deal with the cases where more than one signal has the same number. */ | |
1088 | ||
1089 | if (hostsig == 0) return TARGET_SIGNAL_0; | |
1090 | ||
1091 | #if defined (SIGHUP) | |
1092 | if (hostsig == SIGHUP) return TARGET_SIGNAL_HUP; | |
1093 | #endif | |
1094 | #if defined (SIGINT) | |
1095 | if (hostsig == SIGINT) return TARGET_SIGNAL_INT; | |
1096 | #endif | |
1097 | #if defined (SIGQUIT) | |
1098 | if (hostsig == SIGQUIT) return TARGET_SIGNAL_QUIT; | |
1099 | #endif | |
1100 | #if defined (SIGILL) | |
1101 | if (hostsig == SIGILL) return TARGET_SIGNAL_ILL; | |
1102 | #endif | |
1103 | #if defined (SIGTRAP) | |
1104 | if (hostsig == SIGTRAP) return TARGET_SIGNAL_TRAP; | |
1105 | #endif | |
1106 | #if defined (SIGABRT) | |
1107 | if (hostsig == SIGABRT) return TARGET_SIGNAL_ABRT; | |
1108 | #endif | |
1109 | #if defined (SIGEMT) | |
1110 | if (hostsig == SIGEMT) return TARGET_SIGNAL_EMT; | |
1111 | #endif | |
1112 | #if defined (SIGFPE) | |
1113 | if (hostsig == SIGFPE) return TARGET_SIGNAL_FPE; | |
1114 | #endif | |
1115 | #if defined (SIGKILL) | |
1116 | if (hostsig == SIGKILL) return TARGET_SIGNAL_KILL; | |
1117 | #endif | |
1118 | #if defined (SIGBUS) | |
1119 | if (hostsig == SIGBUS) return TARGET_SIGNAL_BUS; | |
1120 | #endif | |
1121 | #if defined (SIGSEGV) | |
1122 | if (hostsig == SIGSEGV) return TARGET_SIGNAL_SEGV; | |
1123 | #endif | |
1124 | #if defined (SIGSYS) | |
1125 | if (hostsig == SIGSYS) return TARGET_SIGNAL_SYS; | |
1126 | #endif | |
1127 | #if defined (SIGPIPE) | |
1128 | if (hostsig == SIGPIPE) return TARGET_SIGNAL_PIPE; | |
1129 | #endif | |
1130 | #if defined (SIGALRM) | |
1131 | if (hostsig == SIGALRM) return TARGET_SIGNAL_ALRM; | |
1132 | #endif | |
1133 | #if defined (SIGTERM) | |
1134 | if (hostsig == SIGTERM) return TARGET_SIGNAL_TERM; | |
1135 | #endif | |
1136 | #if defined (SIGUSR1) | |
1137 | if (hostsig == SIGUSR1) return TARGET_SIGNAL_USR1; | |
1138 | #endif | |
1139 | #if defined (SIGUSR2) | |
1140 | if (hostsig == SIGUSR2) return TARGET_SIGNAL_USR2; | |
1141 | #endif | |
1142 | #if defined (SIGCLD) | |
1143 | if (hostsig == SIGCLD) return TARGET_SIGNAL_CHLD; | |
1144 | #endif | |
1145 | #if defined (SIGCHLD) | |
1146 | if (hostsig == SIGCHLD) return TARGET_SIGNAL_CHLD; | |
1147 | #endif | |
1148 | #if defined (SIGPWR) | |
1149 | if (hostsig == SIGPWR) return TARGET_SIGNAL_PWR; | |
1150 | #endif | |
1151 | #if defined (SIGWINCH) | |
1152 | if (hostsig == SIGWINCH) return TARGET_SIGNAL_WINCH; | |
1153 | #endif | |
1154 | #if defined (SIGURG) | |
1155 | if (hostsig == SIGURG) return TARGET_SIGNAL_URG; | |
1156 | #endif | |
1157 | #if defined (SIGIO) | |
1158 | if (hostsig == SIGIO) return TARGET_SIGNAL_IO; | |
1159 | #endif | |
1160 | #if defined (SIGPOLL) | |
1161 | if (hostsig == SIGPOLL) return TARGET_SIGNAL_POLL; | |
1162 | #endif | |
1163 | #if defined (SIGSTOP) | |
1164 | if (hostsig == SIGSTOP) return TARGET_SIGNAL_STOP; | |
1165 | #endif | |
1166 | #if defined (SIGTSTP) | |
1167 | if (hostsig == SIGTSTP) return TARGET_SIGNAL_TSTP; | |
1168 | #endif | |
1169 | #if defined (SIGCONT) | |
1170 | if (hostsig == SIGCONT) return TARGET_SIGNAL_CONT; | |
1171 | #endif | |
1172 | #if defined (SIGTTIN) | |
1173 | if (hostsig == SIGTTIN) return TARGET_SIGNAL_TTIN; | |
1174 | #endif | |
1175 | #if defined (SIGTTOU) | |
1176 | if (hostsig == SIGTTOU) return TARGET_SIGNAL_TTOU; | |
1177 | #endif | |
1178 | #if defined (SIGVTALRM) | |
1179 | if (hostsig == SIGVTALRM) return TARGET_SIGNAL_VTALRM; | |
1180 | #endif | |
1181 | #if defined (SIGPROF) | |
1182 | if (hostsig == SIGPROF) return TARGET_SIGNAL_PROF; | |
1183 | #endif | |
1184 | #if defined (SIGXCPU) | |
1185 | if (hostsig == SIGXCPU) return TARGET_SIGNAL_XCPU; | |
1186 | #endif | |
1187 | #if defined (SIGXFSZ) | |
1188 | if (hostsig == SIGXFSZ) return TARGET_SIGNAL_XFSZ; | |
1189 | #endif | |
1190 | #if defined (SIGWIND) | |
1191 | if (hostsig == SIGWIND) return TARGET_SIGNAL_WIND; | |
1192 | #endif | |
1193 | #if defined (SIGPHONE) | |
1194 | if (hostsig == SIGPHONE) return TARGET_SIGNAL_PHONE; | |
1195 | #endif | |
1196 | #if defined (SIGLOST) | |
1197 | if (hostsig == SIGLOST) return TARGET_SIGNAL_LOST; | |
1198 | #endif | |
1199 | #if defined (SIGWAITING) | |
1200 | if (hostsig == SIGWAITING) return TARGET_SIGNAL_WAITING; | |
1201 | #endif | |
1202 | #if defined (SIGLWP) | |
1203 | if (hostsig == SIGLWP) return TARGET_SIGNAL_LWP; | |
1204 | #endif | |
1205 | #if defined (SIGDANGER) | |
1206 | if (hostsig == SIGDANGER) return TARGET_SIGNAL_DANGER; | |
1207 | #endif | |
1208 | #if defined (SIGGRANT) | |
1209 | if (hostsig == SIGGRANT) return TARGET_SIGNAL_GRANT; | |
1210 | #endif | |
1211 | #if defined (SIGRETRACT) | |
1212 | if (hostsig == SIGRETRACT) return TARGET_SIGNAL_RETRACT; | |
1213 | #endif | |
1214 | #if defined (SIGMSG) | |
1215 | if (hostsig == SIGMSG) return TARGET_SIGNAL_MSG; | |
1216 | #endif | |
1217 | #if defined (SIGSOUND) | |
1218 | if (hostsig == SIGSOUND) return TARGET_SIGNAL_SOUND; | |
1219 | #endif | |
1220 | #if defined (SIGSAK) | |
1221 | if (hostsig == SIGSAK) return TARGET_SIGNAL_SAK; | |
43fc25c8 JL |
1222 | #endif |
1223 | #if defined (SIGPRIO) | |
1224 | if (hostsig == SIGPRIO) return TARGET_SIGNAL_PRIO; | |
1225 | #endif | |
1226 | #if defined (REALTIME_LO) | |
1227 | if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI) | |
1228 | return (enum target_signal) | |
1229 | (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33); | |
4ad0021e JK |
1230 | #endif |
1231 | return TARGET_SIGNAL_UNKNOWN; | |
1232 | } | |
1233 | ||
1234 | int | |
1235 | target_signal_to_host (oursig) | |
1236 | enum target_signal oursig; | |
1237 | { | |
1238 | switch (oursig) | |
1239 | { | |
1240 | case TARGET_SIGNAL_0: return 0; | |
1241 | ||
1242 | #if defined (SIGHUP) | |
1243 | case TARGET_SIGNAL_HUP: return SIGHUP; | |
1244 | #endif | |
1245 | #if defined (SIGINT) | |
1246 | case TARGET_SIGNAL_INT: return SIGINT; | |
1247 | #endif | |
1248 | #if defined (SIGQUIT) | |
1249 | case TARGET_SIGNAL_QUIT: return SIGQUIT; | |
1250 | #endif | |
1251 | #if defined (SIGILL) | |
1252 | case TARGET_SIGNAL_ILL: return SIGILL; | |
1253 | #endif | |
1254 | #if defined (SIGTRAP) | |
1255 | case TARGET_SIGNAL_TRAP: return SIGTRAP; | |
1256 | #endif | |
1257 | #if defined (SIGABRT) | |
1258 | case TARGET_SIGNAL_ABRT: return SIGABRT; | |
1259 | #endif | |
1260 | #if defined (SIGEMT) | |
1261 | case TARGET_SIGNAL_EMT: return SIGEMT; | |
1262 | #endif | |
1263 | #if defined (SIGFPE) | |
1264 | case TARGET_SIGNAL_FPE: return SIGFPE; | |
1265 | #endif | |
1266 | #if defined (SIGKILL) | |
1267 | case TARGET_SIGNAL_KILL: return SIGKILL; | |
1268 | #endif | |
1269 | #if defined (SIGBUS) | |
1270 | case TARGET_SIGNAL_BUS: return SIGBUS; | |
1271 | #endif | |
1272 | #if defined (SIGSEGV) | |
1273 | case TARGET_SIGNAL_SEGV: return SIGSEGV; | |
1274 | #endif | |
1275 | #if defined (SIGSYS) | |
1276 | case TARGET_SIGNAL_SYS: return SIGSYS; | |
1277 | #endif | |
1278 | #if defined (SIGPIPE) | |
1279 | case TARGET_SIGNAL_PIPE: return SIGPIPE; | |
1280 | #endif | |
1281 | #if defined (SIGALRM) | |
1282 | case TARGET_SIGNAL_ALRM: return SIGALRM; | |
1283 | #endif | |
1284 | #if defined (SIGTERM) | |
1285 | case TARGET_SIGNAL_TERM: return SIGTERM; | |
1286 | #endif | |
1287 | #if defined (SIGUSR1) | |
1288 | case TARGET_SIGNAL_USR1: return SIGUSR1; | |
1289 | #endif | |
1290 | #if defined (SIGUSR2) | |
1291 | case TARGET_SIGNAL_USR2: return SIGUSR2; | |
1292 | #endif | |
1293 | #if defined (SIGCHLD) || defined (SIGCLD) | |
1294 | case TARGET_SIGNAL_CHLD: | |
1295 | #if defined (SIGCHLD) | |
1296 | return SIGCHLD; | |
1297 | #else | |
1298 | return SIGCLD; | |
1299 | #endif | |
1300 | #endif /* SIGCLD or SIGCHLD */ | |
1301 | #if defined (SIGPWR) | |
1302 | case TARGET_SIGNAL_PWR: return SIGPWR; | |
1303 | #endif | |
1304 | #if defined (SIGWINCH) | |
1305 | case TARGET_SIGNAL_WINCH: return SIGWINCH; | |
1306 | #endif | |
1307 | #if defined (SIGURG) | |
1308 | case TARGET_SIGNAL_URG: return SIGURG; | |
1309 | #endif | |
1310 | #if defined (SIGIO) | |
1311 | case TARGET_SIGNAL_IO: return SIGIO; | |
1312 | #endif | |
1313 | #if defined (SIGPOLL) | |
1314 | case TARGET_SIGNAL_POLL: return SIGPOLL; | |
1315 | #endif | |
1316 | #if defined (SIGSTOP) | |
1317 | case TARGET_SIGNAL_STOP: return SIGSTOP; | |
1318 | #endif | |
1319 | #if defined (SIGTSTP) | |
1320 | case TARGET_SIGNAL_TSTP: return SIGTSTP; | |
1321 | #endif | |
1322 | #if defined (SIGCONT) | |
1323 | case TARGET_SIGNAL_CONT: return SIGCONT; | |
1324 | #endif | |
1325 | #if defined (SIGTTIN) | |
1326 | case TARGET_SIGNAL_TTIN: return SIGTTIN; | |
1327 | #endif | |
1328 | #if defined (SIGTTOU) | |
1329 | case TARGET_SIGNAL_TTOU: return SIGTTOU; | |
1330 | #endif | |
1331 | #if defined (SIGVTALRM) | |
1332 | case TARGET_SIGNAL_VTALRM: return SIGVTALRM; | |
1333 | #endif | |
1334 | #if defined (SIGPROF) | |
1335 | case TARGET_SIGNAL_PROF: return SIGPROF; | |
1336 | #endif | |
1337 | #if defined (SIGXCPU) | |
1338 | case TARGET_SIGNAL_XCPU: return SIGXCPU; | |
1339 | #endif | |
1340 | #if defined (SIGXFSZ) | |
1341 | case TARGET_SIGNAL_XFSZ: return SIGXFSZ; | |
1342 | #endif | |
1343 | #if defined (SIGWIND) | |
1344 | case TARGET_SIGNAL_WIND: return SIGWIND; | |
1345 | #endif | |
1346 | #if defined (SIGPHONE) | |
1347 | case TARGET_SIGNAL_PHONE: return SIGPHONE; | |
1348 | #endif | |
1349 | #if defined (SIGLOST) | |
1350 | case TARGET_SIGNAL_LOST: return SIGLOST; | |
1351 | #endif | |
1352 | #if defined (SIGWAITING) | |
1353 | case TARGET_SIGNAL_WAITING: return SIGWAITING; | |
1354 | #endif | |
1355 | #if defined (SIGLWP) | |
1356 | case TARGET_SIGNAL_LWP: return SIGLWP; | |
1357 | #endif | |
1358 | #if defined (SIGDANGER) | |
1359 | case TARGET_SIGNAL_DANGER: return SIGDANGER; | |
1360 | #endif | |
1361 | #if defined (SIGGRANT) | |
1362 | case TARGET_SIGNAL_GRANT: return SIGGRANT; | |
1363 | #endif | |
1364 | #if defined (SIGRETRACT) | |
1365 | case TARGET_SIGNAL_RETRACT: return SIGRETRACT; | |
1366 | #endif | |
1367 | #if defined (SIGMSG) | |
1368 | case TARGET_SIGNAL_MSG: return SIGMSG; | |
1369 | #endif | |
1370 | #if defined (SIGSOUND) | |
1371 | case TARGET_SIGNAL_SOUND: return SIGSOUND; | |
1372 | #endif | |
1373 | #if defined (SIGSAK) | |
1374 | case TARGET_SIGNAL_SAK: return SIGSAK; | |
43fc25c8 JL |
1375 | #endif |
1376 | #if defined (SIGPRIO) | |
1377 | case TARGET_SIGNAL_PRIO: return SIGPRIO; | |
4ad0021e JK |
1378 | #endif |
1379 | default: | |
43fc25c8 JL |
1380 | #if defined (REALTIME_LO) |
1381 | if (oursig >= TARGET_SIGNAL_REALTIME_33 | |
1382 | && oursig <= TARGET_SIGNAL_REALTIME_63) | |
1383 | { | |
1384 | int retsig = | |
1385 | (int)oursig - (int)TARGET_SIGNAL_REALTIME_33 + REALTIME_LO; | |
1386 | if (retsig < REALTIME_HI) | |
1387 | return retsig; | |
1388 | } | |
1389 | #endif | |
4ad0021e JK |
1390 | /* The user might be trying to do "signal SIGSAK" where this system |
1391 | doesn't have SIGSAK. */ | |
1392 | warning ("Signal %s does not exist on this system.\n", | |
1393 | target_signal_to_name (oursig)); | |
1394 | return 0; | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | /* Helper function for child_wait and the Lynx derivatives of child_wait. | |
1399 | HOSTSTATUS is the waitstatus from wait() or the equivalent; store our | |
1400 | translation of that in OURSTATUS. */ | |
1401 | void | |
1402 | store_waitstatus (ourstatus, hoststatus) | |
1403 | struct target_waitstatus *ourstatus; | |
1404 | int hoststatus; | |
1405 | { | |
1406 | #ifdef CHILD_SPECIAL_WAITSTATUS | |
1407 | /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS | |
1408 | if it wants to deal with hoststatus. */ | |
1409 | if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus)) | |
1410 | return; | |
1411 | #endif | |
1412 | ||
1413 | if (WIFEXITED (hoststatus)) | |
1414 | { | |
1415 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
1416 | ourstatus->value.integer = WEXITSTATUS (hoststatus); | |
1417 | } | |
1418 | else if (!WIFSTOPPED (hoststatus)) | |
1419 | { | |
1420 | ourstatus->kind = TARGET_WAITKIND_SIGNALLED; | |
1421 | ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus)); | |
1422 | } | |
1423 | else | |
1424 | { | |
1425 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
1426 | ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus)); | |
1427 | } | |
1428 | } | |
43fc25c8 JL |
1429 | \f |
1430 | /* In some circumstances we allow a command to specify a numeric | |
1431 | signal. The idea is to keep these circumstances limited so that | |
1432 | users (and scripts) develop portable habits. For comparison, | |
1433 | POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a | |
1434 | numeric signal at all is obscelescent. We are slightly more | |
1435 | lenient and allow 1-15 which should match host signal numbers on | |
1436 | most systems. Use of symbolic signal names is strongly encouraged. */ | |
4ad0021e | 1437 | |
43fc25c8 JL |
1438 | enum target_signal |
1439 | target_signal_from_command (num) | |
1440 | int num; | |
1441 | { | |
1442 | if (num >= 1 && num <= 15) | |
1443 | return (enum target_signal)num; | |
1444 | error ("Only signals 1-15 are valid as numeric signals.\n\ | |
1445 | Use \"info signals\" for a list of symbolic signals."); | |
1446 | } | |
cad1498f SG |
1447 | \f |
1448 | /* Returns zero to leave the inferior alone, one to interrupt it. */ | |
1449 | int (*target_activity_function) PARAMS ((void)); | |
1450 | int target_activity_fd; | |
67ac9759 | 1451 | \f |
49781499 JK |
1452 | /* Convert a normal process ID to a string. Returns the string in a static |
1453 | buffer. */ | |
1454 | ||
1455 | char * | |
1456 | normal_pid_to_str (pid) | |
1457 | int pid; | |
1458 | { | |
1459 | static char buf[30]; | |
1460 | ||
43fc25c8 JL |
1461 | if (STREQ (current_target.to_shortname, "remote")) |
1462 | sprintf (buf, "thread %d", pid); | |
1463 | else | |
1464 | sprintf (buf, "process %d", pid); | |
49781499 JK |
1465 | |
1466 | return buf; | |
1467 | } | |
67ac9759 | 1468 | \f |
43fc25c8 JL |
1469 | #ifdef MAINTENANCE_CMDS |
1470 | static struct target_ops debug_target; | |
1471 | ||
1472 | static void | |
1473 | debug_to_open (args, from_tty) | |
1474 | char *args; | |
1475 | int from_tty; | |
1476 | { | |
1477 | debug_target.to_open (args, from_tty); | |
1478 | ||
1479 | fprintf_unfiltered (stderr, "target_open (%s, %d)\n", args, from_tty); | |
1480 | } | |
1481 | ||
1482 | static void | |
1483 | debug_to_close (quitting) | |
1484 | int quitting; | |
1485 | { | |
1486 | debug_target.to_close (quitting); | |
1487 | ||
1488 | fprintf_unfiltered (stderr, "target_close (%d)\n", quitting); | |
1489 | } | |
1490 | ||
1491 | static void | |
1492 | debug_to_attach (args, from_tty) | |
1493 | char *args; | |
1494 | int from_tty; | |
1495 | { | |
1496 | debug_target.to_attach (args, from_tty); | |
1497 | ||
1498 | fprintf_unfiltered (stderr, "target_attach (%s, %d)\n", args, from_tty); | |
1499 | } | |
1500 | ||
1501 | static void | |
1502 | debug_to_detach (args, from_tty) | |
1503 | char *args; | |
1504 | int from_tty; | |
1505 | { | |
1506 | debug_target.to_detach (args, from_tty); | |
1507 | ||
1508 | fprintf_unfiltered (stderr, "target_detach (%s, %d)\n", args, from_tty); | |
1509 | } | |
1510 | ||
1511 | static void | |
1512 | debug_to_resume (pid, step, siggnal) | |
1513 | int pid; | |
1514 | int step; | |
1515 | enum target_signal siggnal; | |
1516 | { | |
1517 | debug_target.to_resume (pid, step, siggnal); | |
1518 | ||
1519 | fprintf_unfiltered (stderr, "target_resume (%d, %s, %s)\n", pid, | |
1520 | step ? "step" : "continue", | |
1521 | target_signal_to_name (siggnal)); | |
1522 | } | |
1523 | ||
1524 | static int | |
1525 | debug_to_wait (pid, status) | |
1526 | int pid; | |
1527 | struct target_waitstatus *status; | |
1528 | { | |
1529 | int retval; | |
1530 | ||
1531 | retval = debug_target.to_wait (pid, status); | |
1532 | ||
1533 | fprintf_unfiltered (stderr, "target_wait (%d, status) = %d, ", pid, retval); | |
1534 | fprintf_unfiltered (stderr, "status->kind = "); | |
1535 | switch (status->kind) | |
1536 | { | |
1537 | case TARGET_WAITKIND_EXITED: | |
1538 | fprintf_unfiltered (stderr, "exited, status = %d\n", status->value.integer); | |
1539 | break; | |
1540 | case TARGET_WAITKIND_STOPPED: | |
1541 | fprintf_unfiltered (stderr, "stopped, signal = %s\n", | |
1542 | target_signal_to_name (status->value.sig)); | |
1543 | break; | |
1544 | case TARGET_WAITKIND_SIGNALLED: | |
1545 | fprintf_unfiltered (stderr, "signalled, signal = %s\n", | |
1546 | target_signal_to_name (status->value.sig)); | |
1547 | break; | |
1548 | case TARGET_WAITKIND_LOADED: | |
1549 | fprintf_unfiltered (stderr, "loaded\n"); | |
1550 | break; | |
1551 | case TARGET_WAITKIND_SPURIOUS: | |
1552 | fprintf_unfiltered (stderr, "spurious\n"); | |
1553 | break; | |
1554 | default: | |
1555 | fprintf_unfiltered (stderr, "unknown???\n"); | |
1556 | break; | |
1557 | } | |
1558 | ||
1559 | return retval; | |
1560 | } | |
1561 | ||
1562 | static void | |
1563 | debug_to_fetch_registers (regno) | |
1564 | int regno; | |
1565 | { | |
1566 | debug_target.to_fetch_registers (regno); | |
1567 | ||
1568 | fprintf_unfiltered (stderr, "target_fetch_registers (%s)", | |
1569 | regno != -1 ? reg_names[regno] : "-1"); | |
1570 | if (regno != -1) | |
1571 | fprintf_unfiltered (stderr, " = 0x%x %d", read_register (regno), | |
1572 | read_register (regno)); | |
1573 | fprintf_unfiltered (stderr, "\n"); | |
1574 | } | |
1575 | ||
1576 | static void | |
1577 | debug_to_store_registers (regno) | |
1578 | int regno; | |
1579 | { | |
1580 | debug_target.to_store_registers (regno); | |
1581 | ||
1582 | if (regno >= 0 && regno < NUM_REGS) | |
1583 | fprintf_unfiltered (stderr, "target_store_registers (%s) = 0x%x %d\n", | |
1584 | reg_names[regno], read_register (regno), | |
1585 | read_register (regno)); | |
1586 | else | |
1587 | fprintf_unfiltered (stderr, "target_store_registers (%d)\n", regno); | |
1588 | } | |
1589 | ||
1590 | static void | |
1591 | debug_to_prepare_to_store () | |
1592 | { | |
1593 | debug_target.to_prepare_to_store (); | |
1594 | ||
1595 | fprintf_unfiltered (stderr, "target_prepare_to_store ()\n"); | |
1596 | } | |
1597 | ||
1598 | static int | |
1599 | debug_to_xfer_memory (memaddr, myaddr, len, write, target) | |
1600 | CORE_ADDR memaddr; | |
1601 | char *myaddr; | |
1602 | int len; | |
1603 | int write; | |
1604 | struct target_ops *target; | |
1605 | { | |
1606 | int retval; | |
1607 | ||
1608 | retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, target); | |
1609 | ||
1610 | fprintf_unfiltered (stderr, "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d", | |
1611 | memaddr, len, write ? "write" : "read", retval); | |
1612 | ||
1613 | if (retval > 0) | |
1614 | { | |
1615 | int i; | |
1616 | ||
1617 | fputs_unfiltered (", bytes =", gdb_stderr); | |
1618 | for (i = 0; i < retval; i++) | |
1619 | fprintf_unfiltered (stderr, " %02x", myaddr[i] & 0xff); | |
1620 | } | |
1621 | ||
1622 | fputc_unfiltered ('\n', gdb_stderr); | |
1623 | ||
1624 | return retval; | |
1625 | } | |
1626 | ||
1627 | static void | |
1628 | debug_to_files_info (target) | |
1629 | struct target_ops *target; | |
1630 | { | |
1631 | debug_target.to_files_info (target); | |
1632 | ||
1633 | fprintf_unfiltered (stderr, "target_files_info (xxx)\n"); | |
1634 | } | |
1635 | ||
1636 | static int | |
1637 | debug_to_insert_breakpoint (addr, save) | |
1638 | CORE_ADDR addr; | |
1639 | char *save; | |
1640 | { | |
1641 | int retval; | |
1642 | ||
1643 | retval = debug_target.to_insert_breakpoint (addr, save); | |
1644 | ||
1645 | fprintf_unfiltered (stderr, "target_insert_breakpoint (0x%x, xxx) = %d\n", | |
1646 | addr, retval); | |
1647 | return retval; | |
1648 | } | |
1649 | ||
1650 | static int | |
1651 | debug_to_remove_breakpoint (addr, save) | |
1652 | CORE_ADDR addr; | |
1653 | char *save; | |
1654 | { | |
1655 | int retval; | |
1656 | ||
1657 | retval = debug_target.to_remove_breakpoint (addr, save); | |
1658 | ||
1659 | fprintf_unfiltered (stderr, "target_remove_breakpoint (0x%x, xxx) = %d\n", | |
1660 | addr, retval); | |
1661 | return retval; | |
1662 | } | |
1663 | ||
1664 | static void | |
1665 | debug_to_terminal_init () | |
1666 | { | |
1667 | debug_target.to_terminal_init (); | |
1668 | ||
1669 | fprintf_unfiltered (stderr, "target_terminal_init ()\n"); | |
1670 | } | |
1671 | ||
1672 | static void | |
1673 | debug_to_terminal_inferior () | |
1674 | { | |
1675 | debug_target.to_terminal_inferior (); | |
1676 | ||
1677 | fprintf_unfiltered (stderr, "target_terminal_inferior ()\n"); | |
1678 | } | |
1679 | ||
1680 | static void | |
1681 | debug_to_terminal_ours_for_output () | |
1682 | { | |
1683 | debug_target.to_terminal_ours_for_output (); | |
1684 | ||
1685 | fprintf_unfiltered (stderr, "target_terminal_ours_for_output ()\n"); | |
1686 | } | |
1687 | ||
1688 | static void | |
1689 | debug_to_terminal_ours () | |
1690 | { | |
1691 | debug_target.to_terminal_ours (); | |
1692 | ||
1693 | fprintf_unfiltered (stderr, "target_terminal_ours ()\n"); | |
1694 | } | |
1695 | ||
1696 | static void | |
1697 | debug_to_terminal_info (arg, from_tty) | |
1698 | char *arg; | |
1699 | int from_tty; | |
1700 | { | |
1701 | debug_target.to_terminal_info (arg, from_tty); | |
1702 | ||
1703 | fprintf_unfiltered (stderr, "target_terminal_info (%s, %d)\n", arg, | |
1704 | from_tty); | |
1705 | } | |
1706 | ||
1707 | static void | |
1708 | debug_to_kill () | |
1709 | { | |
1710 | debug_target.to_kill (); | |
1711 | ||
1712 | fprintf_unfiltered (stderr, "target_kill ()\n"); | |
1713 | } | |
1714 | ||
1715 | static void | |
1716 | debug_to_load (args, from_tty) | |
1717 | char *args; | |
1718 | int from_tty; | |
1719 | { | |
1720 | debug_target.to_load (args, from_tty); | |
1721 | ||
1722 | fprintf_unfiltered (stderr, "target_load (%s, %d)\n", args, from_tty); | |
1723 | } | |
1724 | ||
1725 | static int | |
1726 | debug_to_lookup_symbol (name, addrp) | |
1727 | char *name; | |
1728 | CORE_ADDR *addrp; | |
1729 | { | |
1730 | int retval; | |
1731 | ||
1732 | retval = debug_target.to_lookup_symbol (name, addrp); | |
1733 | ||
1734 | fprintf_unfiltered (stderr, "target_lookup_symbol (%s, xxx)\n", name); | |
1735 | ||
1736 | return retval; | |
1737 | } | |
1738 | ||
1739 | static void | |
1740 | debug_to_create_inferior (exec_file, args, env) | |
1741 | char *exec_file; | |
1742 | char *args; | |
1743 | char **env; | |
1744 | { | |
1745 | debug_target.to_create_inferior (exec_file, args, env); | |
1746 | ||
1747 | fprintf_unfiltered (stderr, "target_create_inferior (%s, %s, xxx)\n", | |
1748 | exec_file, args); | |
1749 | } | |
1750 | ||
1751 | static void | |
1752 | debug_to_mourn_inferior () | |
1753 | { | |
1754 | debug_target.to_mourn_inferior (); | |
1755 | ||
1756 | fprintf_unfiltered (stderr, "target_mourn_inferior ()\n"); | |
1757 | } | |
1758 | ||
1759 | static int | |
1760 | debug_to_can_run () | |
1761 | { | |
1762 | int retval; | |
1763 | ||
1764 | retval = debug_target.to_can_run (); | |
1765 | ||
1766 | fprintf_unfiltered (stderr, "target_can_run () = %d\n", retval); | |
1767 | ||
1768 | return retval; | |
1769 | } | |
1770 | ||
1771 | static void | |
1772 | debug_to_notice_signals (pid) | |
1773 | int pid; | |
1774 | { | |
1775 | debug_target.to_notice_signals (pid); | |
1776 | ||
1777 | fprintf_unfiltered (stderr, "target_notice_signals (%d)\n", pid); | |
1778 | } | |
1779 | ||
1780 | static void | |
1781 | debug_to_thread_alive (pid) | |
1782 | int pid; | |
1783 | { | |
1784 | debug_target.to_thread_alive (pid); | |
1785 | ||
1786 | fprintf_unfiltered (stderr, "target_thread_alive (%d)\n", pid); | |
1787 | } | |
1788 | ||
1789 | static void | |
1790 | debug_to_stop () | |
1791 | { | |
1792 | debug_target.to_stop (); | |
1793 | ||
1794 | fprintf_unfiltered (stderr, "target_stop ()\n"); | |
1795 | } | |
1796 | ||
1797 | static void | |
1798 | setup_target_debug () | |
1799 | { | |
1800 | memcpy (&debug_target, ¤t_target, sizeof debug_target); | |
1801 | ||
1802 | current_target.to_open = debug_to_open; | |
1803 | current_target.to_close = debug_to_close; | |
1804 | current_target.to_attach = debug_to_attach; | |
1805 | current_target.to_detach = debug_to_detach; | |
1806 | current_target.to_resume = debug_to_resume; | |
1807 | current_target.to_wait = debug_to_wait; | |
1808 | current_target.to_fetch_registers = debug_to_fetch_registers; | |
1809 | current_target.to_store_registers = debug_to_store_registers; | |
1810 | current_target.to_prepare_to_store = debug_to_prepare_to_store; | |
1811 | current_target.to_xfer_memory = debug_to_xfer_memory; | |
1812 | current_target.to_files_info = debug_to_files_info; | |
1813 | current_target.to_insert_breakpoint = debug_to_insert_breakpoint; | |
1814 | current_target.to_remove_breakpoint = debug_to_remove_breakpoint; | |
1815 | current_target.to_terminal_init = debug_to_terminal_init; | |
1816 | current_target.to_terminal_inferior = debug_to_terminal_inferior; | |
1817 | current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output; | |
1818 | current_target.to_terminal_ours = debug_to_terminal_ours; | |
1819 | current_target.to_terminal_info = debug_to_terminal_info; | |
1820 | current_target.to_kill = debug_to_kill; | |
1821 | current_target.to_load = debug_to_load; | |
1822 | current_target.to_lookup_symbol = debug_to_lookup_symbol; | |
1823 | current_target.to_create_inferior = debug_to_create_inferior; | |
1824 | current_target.to_mourn_inferior = debug_to_mourn_inferior; | |
1825 | current_target.to_can_run = debug_to_can_run; | |
1826 | current_target.to_notice_signals = debug_to_notice_signals; | |
1827 | current_target.to_thread_alive = debug_to_thread_alive; | |
1828 | current_target.to_stop = debug_to_stop; | |
1829 | } | |
1830 | #endif /* MAINTENANCE_CMDS */ | |
1831 | \f | |
bd5635a1 RP |
1832 | static char targ_desc[] = |
1833 | "Names of targets and files being debugged.\n\ | |
1834 | Shows the entire stack of targets currently in use (including the exec-file,\n\ | |
1835 | core-file, and process, if any), as well as the symbol file name."; | |
1836 | ||
1837 | void | |
4fc5969d | 1838 | initialize_targets () |
bd5635a1 | 1839 | { |
cad1498f | 1840 | push_target (&dummy_target); |
bd5635a1 | 1841 | |
bd5635a1 RP |
1842 | add_info ("target", target_info, targ_desc); |
1843 | add_info ("files", target_info, targ_desc); | |
67ac9759 | 1844 | |
43fc25c8 JL |
1845 | #ifdef MAINTENANCE_CMDS |
1846 | add_show_from_set ( | |
1847 | add_set_cmd ("targetdebug", class_maintenance, var_zinteger, | |
1848 | (char *)&targetdebug, | |
1849 | "Set target debugging.\n\ | |
1850 | When non-zero, target debugging is enabled.", &setlist), | |
1851 | &showlist); | |
1852 | #endif | |
1853 | ||
67ac9759 JK |
1854 | if (!STREQ (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC")) |
1855 | abort (); | |
bd5635a1 | 1856 | } |