Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Core dump and executable file functions below target vector, for GDB. |
b6ba6518 KB |
2 | Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, |
3 | 1998, 1999, 2000, 2001 | |
c906108c SS |
4 | Free Software Foundation, Inc. |
5 | ||
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include "gdb_string.h" | |
25 | #include <errno.h> | |
26 | #include <signal.h> | |
27 | #include <fcntl.h> | |
fc24370e MS |
28 | #ifdef HAVE_SYS_FILE_H |
29 | #include <sys/file.h> /* needed for F_OK and friends */ | |
30 | #endif | |
c5aa993b | 31 | #include "frame.h" /* required by inferior.h */ |
c906108c SS |
32 | #include "inferior.h" |
33 | #include "symtab.h" | |
34 | #include "command.h" | |
35 | #include "bfd.h" | |
36 | #include "target.h" | |
37 | #include "gdbcore.h" | |
38 | #include "gdbthread.h" | |
4e052eda | 39 | #include "regcache.h" |
c906108c | 40 | |
8e860359 CF |
41 | #ifndef O_BINARY |
42 | #define O_BINARY 0 | |
43 | #endif | |
44 | ||
c906108c SS |
45 | /* List of all available core_fns. On gdb startup, each core file register |
46 | reader calls add_core_fns() to register information on each core format it | |
47 | is prepared to read. */ | |
48 | ||
49 | static struct core_fns *core_file_fns = NULL; | |
50 | ||
2acceee2 JM |
51 | /* The core_fns for a core file handler that is prepared to read the core |
52 | file currently open on core_bfd. */ | |
53 | ||
54 | static struct core_fns *core_vec = NULL; | |
55 | ||
a14ed312 | 56 | static void core_files_info (struct target_ops *); |
c906108c SS |
57 | |
58 | #ifdef SOLIB_ADD | |
a14ed312 | 59 | static int solib_add_stub (PTR); |
c906108c SS |
60 | #endif |
61 | ||
a14ed312 | 62 | static struct core_fns *sniff_core_bfd (bfd *); |
2acceee2 | 63 | |
a14ed312 | 64 | static boolean gdb_check_format (bfd *); |
2acceee2 | 65 | |
a14ed312 | 66 | static void core_open (char *, int); |
c906108c | 67 | |
a14ed312 | 68 | static void core_detach (char *, int); |
c906108c | 69 | |
a14ed312 | 70 | static void core_close (int); |
c906108c | 71 | |
74b7792f AC |
72 | static void core_close_cleanup (void *ignore); |
73 | ||
a14ed312 | 74 | static void get_core_registers (int); |
c906108c | 75 | |
a14ed312 | 76 | static void add_to_thread_list (bfd *, asection *, PTR); |
c906108c | 77 | |
a14ed312 | 78 | static int ignore (CORE_ADDR, char *); |
c906108c | 79 | |
a14ed312 | 80 | static char *core_file_to_sym_file (char *); |
c906108c | 81 | |
a14ed312 | 82 | static int core_file_thread_alive (int tid); |
c906108c | 83 | |
a14ed312 | 84 | static void init_core_ops (void); |
c906108c | 85 | |
a14ed312 | 86 | void _initialize_corelow (void); |
c906108c SS |
87 | |
88 | struct target_ops core_ops; | |
89 | ||
90 | /* Link a new core_fns into the global core_file_fns list. Called on gdb | |
91 | startup by the _initialize routine in each core file register reader, to | |
92 | register information about each format the the reader is prepared to | |
93 | handle. */ | |
94 | ||
95 | void | |
fba45db2 | 96 | add_core_fns (struct core_fns *cf) |
c906108c | 97 | { |
c5aa993b | 98 | cf->next = core_file_fns; |
c906108c SS |
99 | core_file_fns = cf; |
100 | } | |
101 | ||
2acceee2 JM |
102 | /* The default function that core file handlers can use to examine a |
103 | core file BFD and decide whether or not to accept the job of | |
104 | reading the core file. */ | |
105 | ||
106 | int | |
fba45db2 | 107 | default_core_sniffer (struct core_fns *our_fns, bfd *abfd) |
2acceee2 JM |
108 | { |
109 | int result; | |
110 | ||
111 | result = (bfd_get_flavour (abfd) == our_fns -> core_flavour); | |
112 | return (result); | |
113 | } | |
114 | ||
115 | /* Walk through the list of core functions to find a set that can | |
116 | handle the core file open on ABFD. Default to the first one in the | |
ee923081 | 117 | list if nothing matches. Returns pointer to set that is |
2acceee2 JM |
118 | selected. */ |
119 | ||
120 | static struct core_fns * | |
fba45db2 | 121 | sniff_core_bfd (bfd *abfd) |
2acceee2 JM |
122 | { |
123 | struct core_fns *cf; | |
124 | struct core_fns *yummy = NULL; | |
125 | int matches = 0;; | |
126 | ||
127 | for (cf = core_file_fns; cf != NULL; cf = cf->next) | |
128 | { | |
129 | if (cf->core_sniffer (cf, abfd)) | |
130 | { | |
131 | yummy = cf; | |
132 | matches++; | |
133 | } | |
134 | } | |
135 | if (matches > 1) | |
136 | { | |
137 | warning ("\"%s\": ambiguous core format, %d handlers match", | |
138 | bfd_get_filename (abfd), matches); | |
139 | } | |
140 | else if (matches == 0) | |
141 | { | |
142 | warning ("\"%s\": no core file handler recognizes format, using default", | |
143 | bfd_get_filename (abfd)); | |
144 | } | |
145 | if (yummy == NULL) | |
146 | { | |
147 | yummy = core_file_fns; | |
148 | } | |
149 | return (yummy); | |
150 | } | |
151 | ||
152 | /* The default is to reject every core file format we see. Either | |
153 | BFD has to recognize it, or we have to provide a function in the | |
154 | core file handler that recognizes it. */ | |
155 | ||
156 | int | |
fba45db2 | 157 | default_check_format (bfd *abfd) |
2acceee2 JM |
158 | { |
159 | return (0); | |
160 | } | |
161 | ||
162 | /* Attempt to recognize core file formats that BFD rejects. */ | |
163 | ||
164 | static boolean | |
fba45db2 | 165 | gdb_check_format (bfd *abfd) |
2acceee2 JM |
166 | { |
167 | struct core_fns *cf; | |
168 | ||
169 | for (cf = core_file_fns; cf != NULL; cf = cf->next) | |
170 | { | |
171 | if (cf->check_format (abfd)) | |
172 | { | |
173 | return (true); | |
174 | } | |
175 | } | |
176 | return (false); | |
177 | } | |
c906108c SS |
178 | |
179 | /* Discard all vestiges of any previous core file and mark data and stack | |
180 | spaces as empty. */ | |
181 | ||
182 | /* ARGSUSED */ | |
183 | static void | |
fba45db2 | 184 | core_close (int quitting) |
c906108c SS |
185 | { |
186 | char *name; | |
187 | ||
188 | if (core_bfd) | |
189 | { | |
190 | inferior_pid = 0; /* Avoid confusion from thread stuff */ | |
191 | ||
7a292a7a | 192 | /* Clear out solib state while the bfd is still open. See |
c5aa993b | 193 | comments in clear_solib in solib.c. */ |
7a292a7a SS |
194 | #ifdef CLEAR_SOLIB |
195 | CLEAR_SOLIB (); | |
196 | #endif | |
197 | ||
c906108c SS |
198 | name = bfd_get_filename (core_bfd); |
199 | if (!bfd_close (core_bfd)) | |
200 | warning ("cannot close \"%s\": %s", | |
201 | name, bfd_errmsg (bfd_get_error ())); | |
b8c9b27d | 202 | xfree (name); |
c906108c | 203 | core_bfd = NULL; |
c906108c SS |
204 | if (core_ops.to_sections) |
205 | { | |
b8c9b27d | 206 | xfree (core_ops.to_sections); |
c906108c SS |
207 | core_ops.to_sections = NULL; |
208 | core_ops.to_sections_end = NULL; | |
209 | } | |
210 | } | |
2acceee2 | 211 | core_vec = NULL; |
c906108c SS |
212 | } |
213 | ||
74b7792f AC |
214 | static void |
215 | core_close_cleanup (void *ignore) | |
216 | { | |
217 | core_close (0/*ignored*/); | |
218 | } | |
219 | ||
c906108c SS |
220 | #ifdef SOLIB_ADD |
221 | /* Stub function for catch_errors around shared library hacking. FROM_TTYP | |
222 | is really an int * which points to from_tty. */ | |
223 | ||
c5aa993b | 224 | static int |
fba45db2 | 225 | solib_add_stub (PTR from_ttyp) |
c906108c | 226 | { |
c5aa993b | 227 | SOLIB_ADD (NULL, *(int *) from_ttyp, ¤t_target); |
c906108c SS |
228 | re_enable_breakpoints_in_shlibs (); |
229 | return 0; | |
230 | } | |
231 | #endif /* SOLIB_ADD */ | |
232 | ||
233 | /* Look for sections whose names start with `.reg/' so that we can extract the | |
234 | list of threads in a core file. */ | |
235 | ||
236 | static void | |
fba45db2 | 237 | add_to_thread_list (bfd *abfd, asection *asect, PTR reg_sect_arg) |
c906108c SS |
238 | { |
239 | int thread_id; | |
240 | asection *reg_sect = (asection *) reg_sect_arg; | |
241 | ||
242 | if (strncmp (bfd_section_name (abfd, asect), ".reg/", 5) != 0) | |
243 | return; | |
244 | ||
245 | thread_id = atoi (bfd_section_name (abfd, asect) + 5); | |
246 | ||
247 | add_thread (thread_id); | |
248 | ||
249 | /* Warning, Will Robinson, looking at BFD private data! */ | |
250 | ||
251 | if (reg_sect != NULL | |
c5aa993b | 252 | && asect->filepos == reg_sect->filepos) /* Did we find .reg? */ |
c906108c SS |
253 | inferior_pid = thread_id; /* Yes, make it current */ |
254 | } | |
255 | ||
256 | /* This routine opens and sets up the core file bfd. */ | |
257 | ||
258 | static void | |
fba45db2 | 259 | core_open (char *filename, int from_tty) |
c906108c SS |
260 | { |
261 | const char *p; | |
262 | int siggy; | |
263 | struct cleanup *old_chain; | |
264 | char *temp; | |
265 | bfd *temp_bfd; | |
266 | int ontop; | |
267 | int scratch_chan; | |
268 | ||
269 | target_preopen (from_tty); | |
270 | if (!filename) | |
271 | { | |
c5aa993b JM |
272 | error (core_bfd ? |
273 | "No core file specified. (Use `detach' to stop debugging a core file.)" | |
274 | : "No core file specified."); | |
c906108c SS |
275 | } |
276 | ||
277 | filename = tilde_expand (filename); | |
278 | if (filename[0] != '/') | |
279 | { | |
280 | temp = concat (current_directory, "/", filename, NULL); | |
b8c9b27d | 281 | xfree (filename); |
c906108c SS |
282 | filename = temp; |
283 | } | |
284 | ||
b8c9b27d | 285 | old_chain = make_cleanup (xfree, filename); |
c906108c | 286 | |
8e860359 | 287 | scratch_chan = open (filename, O_BINARY | ( write_files ? O_RDWR : O_RDONLY ), 0); |
c906108c SS |
288 | if (scratch_chan < 0) |
289 | perror_with_name (filename); | |
290 | ||
291 | temp_bfd = bfd_fdopenr (filename, gnutarget, scratch_chan); | |
292 | if (temp_bfd == NULL) | |
293 | perror_with_name (filename); | |
294 | ||
2acceee2 JM |
295 | if (!bfd_check_format (temp_bfd, bfd_core) && |
296 | !gdb_check_format (temp_bfd)) | |
c906108c SS |
297 | { |
298 | /* Do it after the err msg */ | |
299 | /* FIXME: should be checking for errors from bfd_close (for one thing, | |
c5aa993b JM |
300 | on error it does not free all the storage associated with the |
301 | bfd). */ | |
5c65bbb6 | 302 | make_cleanup_bfd_close (temp_bfd); |
c906108c SS |
303 | error ("\"%s\" is not a core dump: %s", |
304 | filename, bfd_errmsg (bfd_get_error ())); | |
305 | } | |
306 | ||
307 | /* Looks semi-reasonable. Toss the old core file and work on the new. */ | |
308 | ||
c5aa993b | 309 | discard_cleanups (old_chain); /* Don't free filename any more */ |
c906108c SS |
310 | unpush_target (&core_ops); |
311 | core_bfd = temp_bfd; | |
74b7792f | 312 | old_chain = make_cleanup (core_close_cleanup, 0 /*ignore*/); |
c906108c | 313 | |
2acceee2 JM |
314 | /* Find a suitable core file handler to munch on core_bfd */ |
315 | core_vec = sniff_core_bfd (core_bfd); | |
316 | ||
c906108c SS |
317 | validate_files (); |
318 | ||
319 | /* Find the data section */ | |
320 | if (build_section_table (core_bfd, &core_ops.to_sections, | |
321 | &core_ops.to_sections_end)) | |
322 | error ("\"%s\": Can't find sections: %s", | |
323 | bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ())); | |
324 | ||
cbda0a99 MS |
325 | set_gdbarch_from_file (core_bfd); |
326 | ||
c906108c SS |
327 | ontop = !push_target (&core_ops); |
328 | discard_cleanups (old_chain); | |
329 | ||
330 | p = bfd_core_file_failing_command (core_bfd); | |
331 | if (p) | |
332 | printf_filtered ("Core was generated by `%s'.\n", p); | |
333 | ||
334 | siggy = bfd_core_file_failing_signal (core_bfd); | |
335 | if (siggy > 0) | |
8e6a3c35 | 336 | /* NOTE: target_signal_from_host() converts a target signal value |
e26cc349 | 337 | into gdb's internal signal value. Unfortunately gdb's internal |
8e6a3c35 AC |
338 | value is called ``target_signal'' and this function got the |
339 | name ..._from_host(). */ | |
c906108c | 340 | printf_filtered ("Program terminated with signal %d, %s.\n", siggy, |
8e6a3c35 | 341 | target_signal_to_string (target_signal_from_host (siggy))); |
c906108c SS |
342 | |
343 | /* Build up thread list from BFD sections. */ | |
344 | ||
345 | init_thread_list (); | |
346 | bfd_map_over_sections (core_bfd, add_to_thread_list, | |
347 | bfd_get_section_by_name (core_bfd, ".reg")); | |
348 | ||
349 | if (ontop) | |
350 | { | |
351 | /* Fetch all registers from core file. */ | |
352 | target_fetch_registers (-1); | |
353 | ||
354 | /* Add symbols and section mappings for any shared libraries. */ | |
355 | #ifdef SOLIB_ADD | |
c5aa993b | 356 | catch_errors (solib_add_stub, &from_tty, (char *) 0, |
c906108c SS |
357 | RETURN_MASK_ALL); |
358 | #endif | |
359 | ||
360 | /* Now, set up the frame cache, and print the top of stack. */ | |
361 | flush_cached_frames (); | |
362 | select_frame (get_current_frame (), 0); | |
363 | print_stack_frame (selected_frame, selected_frame_level, 1); | |
364 | } | |
365 | else | |
366 | { | |
367 | warning ( | |
c5aa993b | 368 | "you won't be able to access this core file until you terminate\n\ |
c906108c SS |
369 | your %s; do ``info files''", target_longname); |
370 | } | |
371 | } | |
372 | ||
373 | static void | |
fba45db2 | 374 | core_detach (char *args, int from_tty) |
c906108c SS |
375 | { |
376 | if (args) | |
377 | error ("Too many arguments"); | |
378 | unpush_target (&core_ops); | |
379 | reinit_frame_cache (); | |
380 | if (from_tty) | |
381 | printf_filtered ("No core file now.\n"); | |
382 | } | |
383 | ||
de57eccd JM |
384 | |
385 | /* Try to retrieve registers from a section in core_bfd, and supply | |
386 | them to core_vec->core_read_registers, as the register set numbered | |
387 | WHICH. | |
388 | ||
389 | If inferior_pid is zero, do the single-threaded thing: look for a | |
390 | section named NAME. If inferior_pid is non-zero, do the | |
391 | multi-threaded thing: look for a section named "NAME/PID", where | |
392 | PID is the shortest ASCII decimal representation of inferior_pid. | |
393 | ||
394 | HUMAN_NAME is a human-readable name for the kind of registers the | |
395 | NAME section contains, for use in error messages. | |
396 | ||
397 | If REQUIRED is non-zero, print an error if the core file doesn't | |
398 | have a section by the appropriate name. Otherwise, just do nothing. */ | |
399 | ||
400 | static void | |
401 | get_core_register_section (char *name, | |
402 | int which, | |
403 | char *human_name, | |
404 | int required) | |
405 | { | |
406 | char section_name[100]; | |
407 | sec_ptr section; | |
408 | bfd_size_type size; | |
409 | char *contents; | |
410 | ||
411 | if (inferior_pid) | |
412 | sprintf (section_name, "%s/%d", name, inferior_pid); | |
413 | else | |
414 | strcpy (section_name, name); | |
415 | ||
416 | section = bfd_get_section_by_name (core_bfd, section_name); | |
417 | if (! section) | |
418 | { | |
419 | if (required) | |
420 | warning ("Couldn't find %s registers in core file.\n", human_name); | |
421 | return; | |
422 | } | |
423 | ||
424 | size = bfd_section_size (core_bfd, section); | |
425 | contents = alloca (size); | |
426 | if (! bfd_get_section_contents (core_bfd, section, contents, | |
427 | (file_ptr) 0, size)) | |
428 | { | |
429 | warning ("Couldn't read %s registers from `%s' section in core file.\n", | |
430 | human_name, name); | |
431 | return; | |
432 | } | |
433 | ||
434 | core_vec->core_read_registers (contents, size, which, | |
435 | ((CORE_ADDR) | |
436 | bfd_section_vma (core_bfd, section))); | |
437 | } | |
438 | ||
439 | ||
c906108c SS |
440 | /* Get the registers out of a core file. This is the machine- |
441 | independent part. Fetch_core_registers is the machine-dependent | |
442 | part, typically implemented in the xm-file for each architecture. */ | |
443 | ||
444 | /* We just get all the registers, so we don't use regno. */ | |
445 | ||
446 | /* ARGSUSED */ | |
447 | static void | |
fba45db2 | 448 | get_core_registers (int regno) |
c906108c | 449 | { |
de57eccd | 450 | int status; |
c906108c | 451 | |
de57eccd JM |
452 | if (core_vec == NULL |
453 | || core_vec->core_read_registers == NULL) | |
c906108c SS |
454 | { |
455 | fprintf_filtered (gdb_stderr, | |
c5aa993b | 456 | "Can't fetch registers from this type of core file\n"); |
c906108c SS |
457 | return; |
458 | } | |
459 | ||
de57eccd JM |
460 | get_core_register_section (".reg", 0, "general-purpose", 1); |
461 | get_core_register_section (".reg2", 2, "floating-point", 0); | |
462 | get_core_register_section (".reg-xfp", 3, "extended floating-point", 0); | |
c906108c | 463 | |
c906108c SS |
464 | registers_fetched (); |
465 | } | |
466 | ||
467 | static char * | |
fba45db2 | 468 | core_file_to_sym_file (char *core) |
c906108c | 469 | { |
c5aa993b JM |
470 | CONST char *failing_command; |
471 | char *p; | |
472 | char *temp; | |
473 | bfd *temp_bfd; | |
474 | int scratch_chan; | |
c906108c | 475 | |
c5aa993b | 476 | if (!core) |
c906108c SS |
477 | error ("No core file specified."); |
478 | ||
479 | core = tilde_expand (core); | |
480 | if (core[0] != '/') | |
481 | { | |
482 | temp = concat (current_directory, "/", core, NULL); | |
483 | core = temp; | |
484 | } | |
485 | ||
486 | scratch_chan = open (core, write_files ? O_RDWR : O_RDONLY, 0); | |
487 | if (scratch_chan < 0) | |
488 | perror_with_name (core); | |
489 | ||
490 | temp_bfd = bfd_fdopenr (core, gnutarget, scratch_chan); | |
491 | if (temp_bfd == NULL) | |
492 | perror_with_name (core); | |
493 | ||
494 | if (!bfd_check_format (temp_bfd, bfd_core)) | |
495 | { | |
496 | /* Do it after the err msg */ | |
497 | /* FIXME: should be checking for errors from bfd_close (for one thing, | |
c5aa993b JM |
498 | on error it does not free all the storage associated with the |
499 | bfd). */ | |
5c65bbb6 | 500 | make_cleanup_bfd_close (temp_bfd); |
c906108c SS |
501 | error ("\"%s\" is not a core dump: %s", |
502 | core, bfd_errmsg (bfd_get_error ())); | |
503 | } | |
504 | ||
505 | /* Find the data section */ | |
506 | if (build_section_table (temp_bfd, &core_ops.to_sections, | |
507 | &core_ops.to_sections_end)) | |
508 | error ("\"%s\": Can't find sections: %s", | |
509 | bfd_get_filename (temp_bfd), bfd_errmsg (bfd_get_error ())); | |
510 | ||
511 | failing_command = bfd_core_file_failing_command (temp_bfd); | |
512 | ||
513 | bfd_close (temp_bfd); | |
514 | ||
515 | /* If we found a filename, remember that it is probably saved | |
516 | relative to the executable that created it. If working directory | |
517 | isn't there now, we may not be able to find the executable. Rather | |
518 | than trying to be sauve about finding it, just check if the file | |
519 | exists where we are now. If not, then punt and tell our client | |
520 | we couldn't find the sym file. | |
c5aa993b | 521 | */ |
c906108c SS |
522 | p = (char *) failing_command; |
523 | if ((p != NULL) && (access (p, F_OK) != 0)) | |
524 | p = NULL; | |
525 | ||
526 | return p; | |
527 | } | |
528 | ||
529 | static void | |
fba45db2 | 530 | core_files_info (struct target_ops *t) |
c906108c SS |
531 | { |
532 | print_section_info (t, core_bfd); | |
533 | } | |
534 | \f | |
535 | /* If mourn is being called in all the right places, this could be say | |
536 | `gdb internal error' (since generic_mourn calls breakpoint_init_inferior). */ | |
537 | ||
538 | static int | |
fba45db2 | 539 | ignore (CORE_ADDR addr, char *contents) |
c906108c SS |
540 | { |
541 | return 0; | |
542 | } | |
543 | ||
544 | ||
545 | /* Okay, let's be honest: threads gleaned from a core file aren't | |
546 | exactly lively, are they? On the other hand, if we don't claim | |
547 | that each & every one is alive, then we don't get any of them | |
548 | to appear in an "info thread" command, which is quite a useful | |
549 | behaviour. | |
c5aa993b | 550 | */ |
c906108c | 551 | static int |
fba45db2 | 552 | core_file_thread_alive (int tid) |
c906108c SS |
553 | { |
554 | return 1; | |
555 | } | |
556 | ||
557 | /* Fill in core_ops with its defined operations and properties. */ | |
558 | ||
559 | static void | |
fba45db2 | 560 | init_core_ops (void) |
c906108c SS |
561 | { |
562 | core_ops.to_shortname = "core"; | |
563 | core_ops.to_longname = "Local core dump file"; | |
564 | core_ops.to_doc = | |
565 | "Use a core file as a target. Specify the filename of the core file."; | |
566 | core_ops.to_open = core_open; | |
567 | core_ops.to_close = core_close; | |
568 | core_ops.to_attach = find_default_attach; | |
569 | core_ops.to_require_attach = find_default_require_attach; | |
570 | core_ops.to_detach = core_detach; | |
571 | core_ops.to_require_detach = find_default_require_detach; | |
572 | core_ops.to_fetch_registers = get_core_registers; | |
573 | core_ops.to_xfer_memory = xfer_memory; | |
574 | core_ops.to_files_info = core_files_info; | |
575 | core_ops.to_insert_breakpoint = ignore; | |
576 | core_ops.to_remove_breakpoint = ignore; | |
577 | core_ops.to_create_inferior = find_default_create_inferior; | |
578 | core_ops.to_clone_and_follow_inferior = find_default_clone_and_follow_inferior; | |
579 | core_ops.to_thread_alive = core_file_thread_alive; | |
580 | core_ops.to_core_file_to_sym_file = core_file_to_sym_file; | |
581 | core_ops.to_stratum = core_stratum; | |
582 | core_ops.to_has_memory = 1; | |
583 | core_ops.to_has_stack = 1; | |
584 | core_ops.to_has_registers = 1; | |
c5aa993b | 585 | core_ops.to_magic = OPS_MAGIC; |
c906108c SS |
586 | } |
587 | ||
588 | /* non-zero if we should not do the add_target call in | |
589 | _initialize_corelow; not initialized (i.e., bss) so that | |
590 | the target can initialize it (i.e., data) if appropriate. | |
591 | This needs to be set at compile time because we don't know | |
592 | for sure whether the target's initialize routine is called | |
593 | before us or after us. */ | |
594 | int coreops_suppress_target; | |
595 | ||
596 | void | |
fba45db2 | 597 | _initialize_corelow (void) |
c906108c SS |
598 | { |
599 | init_core_ops (); | |
600 | ||
601 | if (!coreops_suppress_target) | |
602 | add_target (&core_ops); | |
603 | } |