Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Core dump and executable file functions below target vector, for GDB. |
4646aa9d AC |
2 | |
3 | Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, | |
4 | 1997, 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc. | |
c906108c | 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" | |
0e24ac5d | 24 | #include "arch-utils.h" |
c906108c SS |
25 | #include "gdb_string.h" |
26 | #include <errno.h> | |
27 | #include <signal.h> | |
28 | #include <fcntl.h> | |
fc24370e MS |
29 | #ifdef HAVE_SYS_FILE_H |
30 | #include <sys/file.h> /* needed for F_OK and friends */ | |
31 | #endif | |
c5aa993b | 32 | #include "frame.h" /* required by inferior.h */ |
c906108c SS |
33 | #include "inferior.h" |
34 | #include "symtab.h" | |
35 | #include "command.h" | |
36 | #include "bfd.h" | |
37 | #include "target.h" | |
38 | #include "gdbcore.h" | |
39 | #include "gdbthread.h" | |
4e052eda | 40 | #include "regcache.h" |
0e24ac5d | 41 | #include "regset.h" |
990f9fe3 | 42 | #include "symfile.h" |
4646aa9d | 43 | #include "exec.h" |
38017ce8 | 44 | #include <readline/readline.h> |
c906108c | 45 | |
0e24ac5d MK |
46 | #include "gdb_assert.h" |
47 | ||
8e860359 CF |
48 | #ifndef O_BINARY |
49 | #define O_BINARY 0 | |
50 | #endif | |
51 | ||
c906108c SS |
52 | /* List of all available core_fns. On gdb startup, each core file register |
53 | reader calls add_core_fns() to register information on each core format it | |
54 | is prepared to read. */ | |
55 | ||
56 | static struct core_fns *core_file_fns = NULL; | |
57 | ||
2acceee2 JM |
58 | /* The core_fns for a core file handler that is prepared to read the core |
59 | file currently open on core_bfd. */ | |
60 | ||
61 | static struct core_fns *core_vec = NULL; | |
62 | ||
0e24ac5d MK |
63 | /* FIXME: kettenis/20031023: Eventually this variable should |
64 | disappear. */ | |
65 | ||
66 | struct gdbarch *core_gdbarch = NULL; | |
67 | ||
a14ed312 | 68 | static void core_files_info (struct target_ops *); |
c906108c SS |
69 | |
70 | #ifdef SOLIB_ADD | |
4efb68b1 | 71 | static int solib_add_stub (void *); |
c906108c SS |
72 | #endif |
73 | ||
a14ed312 | 74 | static struct core_fns *sniff_core_bfd (bfd *); |
2acceee2 | 75 | |
020cc13c | 76 | static int gdb_check_format (bfd *); |
2acceee2 | 77 | |
a14ed312 | 78 | static void core_open (char *, int); |
c906108c | 79 | |
a14ed312 | 80 | static void core_detach (char *, int); |
c906108c | 81 | |
a14ed312 | 82 | static void core_close (int); |
c906108c | 83 | |
74b7792f AC |
84 | static void core_close_cleanup (void *ignore); |
85 | ||
a14ed312 | 86 | static void get_core_registers (int); |
c906108c | 87 | |
4efb68b1 | 88 | static void add_to_thread_list (bfd *, asection *, void *); |
c906108c | 89 | |
a14ed312 | 90 | static int ignore (CORE_ADDR, char *); |
c906108c | 91 | |
39f77062 | 92 | static int core_file_thread_alive (ptid_t tid); |
c906108c | 93 | |
a14ed312 | 94 | static void init_core_ops (void); |
c906108c | 95 | |
a14ed312 | 96 | void _initialize_corelow (void); |
c906108c SS |
97 | |
98 | struct target_ops core_ops; | |
99 | ||
100 | /* Link a new core_fns into the global core_file_fns list. Called on gdb | |
101 | startup by the _initialize routine in each core file register reader, to | |
102 | register information about each format the the reader is prepared to | |
103 | handle. */ | |
104 | ||
105 | void | |
fba45db2 | 106 | add_core_fns (struct core_fns *cf) |
c906108c | 107 | { |
c5aa993b | 108 | cf->next = core_file_fns; |
c906108c SS |
109 | core_file_fns = cf; |
110 | } | |
111 | ||
2acceee2 JM |
112 | /* The default function that core file handlers can use to examine a |
113 | core file BFD and decide whether or not to accept the job of | |
114 | reading the core file. */ | |
115 | ||
116 | int | |
fba45db2 | 117 | default_core_sniffer (struct core_fns *our_fns, bfd *abfd) |
2acceee2 JM |
118 | { |
119 | int result; | |
120 | ||
121 | result = (bfd_get_flavour (abfd) == our_fns -> core_flavour); | |
122 | return (result); | |
123 | } | |
124 | ||
125 | /* Walk through the list of core functions to find a set that can | |
126 | handle the core file open on ABFD. Default to the first one in the | |
ee923081 | 127 | list if nothing matches. Returns pointer to set that is |
2acceee2 JM |
128 | selected. */ |
129 | ||
130 | static struct core_fns * | |
fba45db2 | 131 | sniff_core_bfd (bfd *abfd) |
2acceee2 JM |
132 | { |
133 | struct core_fns *cf; | |
134 | struct core_fns *yummy = NULL; | |
135 | int matches = 0;; | |
136 | ||
0e24ac5d MK |
137 | /* Don't sniff if we have support for register sets in CORE_GDBARCH. */ |
138 | if (core_gdbarch && gdbarch_regset_from_core_section_p (core_gdbarch)) | |
139 | return NULL; | |
140 | ||
2acceee2 JM |
141 | for (cf = core_file_fns; cf != NULL; cf = cf->next) |
142 | { | |
143 | if (cf->core_sniffer (cf, abfd)) | |
144 | { | |
145 | yummy = cf; | |
146 | matches++; | |
147 | } | |
148 | } | |
149 | if (matches > 1) | |
150 | { | |
151 | warning ("\"%s\": ambiguous core format, %d handlers match", | |
152 | bfd_get_filename (abfd), matches); | |
153 | } | |
154 | else if (matches == 0) | |
155 | { | |
156 | warning ("\"%s\": no core file handler recognizes format, using default", | |
157 | bfd_get_filename (abfd)); | |
158 | } | |
159 | if (yummy == NULL) | |
160 | { | |
161 | yummy = core_file_fns; | |
162 | } | |
163 | return (yummy); | |
164 | } | |
165 | ||
166 | /* The default is to reject every core file format we see. Either | |
167 | BFD has to recognize it, or we have to provide a function in the | |
168 | core file handler that recognizes it. */ | |
169 | ||
170 | int | |
fba45db2 | 171 | default_check_format (bfd *abfd) |
2acceee2 JM |
172 | { |
173 | return (0); | |
174 | } | |
175 | ||
176 | /* Attempt to recognize core file formats that BFD rejects. */ | |
177 | ||
020cc13c | 178 | static int |
fba45db2 | 179 | gdb_check_format (bfd *abfd) |
2acceee2 JM |
180 | { |
181 | struct core_fns *cf; | |
182 | ||
183 | for (cf = core_file_fns; cf != NULL; cf = cf->next) | |
184 | { | |
185 | if (cf->check_format (abfd)) | |
186 | { | |
81a9a963 | 187 | return (1); |
2acceee2 JM |
188 | } |
189 | } | |
81a9a963 | 190 | return (0); |
2acceee2 | 191 | } |
c906108c SS |
192 | |
193 | /* Discard all vestiges of any previous core file and mark data and stack | |
194 | spaces as empty. */ | |
195 | ||
c906108c | 196 | static void |
fba45db2 | 197 | core_close (int quitting) |
c906108c SS |
198 | { |
199 | char *name; | |
200 | ||
201 | if (core_bfd) | |
202 | { | |
39f77062 | 203 | inferior_ptid = null_ptid; /* Avoid confusion from thread stuff */ |
c906108c | 204 | |
7a292a7a | 205 | /* Clear out solib state while the bfd is still open. See |
c5aa993b | 206 | comments in clear_solib in solib.c. */ |
7a292a7a SS |
207 | #ifdef CLEAR_SOLIB |
208 | CLEAR_SOLIB (); | |
209 | #endif | |
210 | ||
c906108c SS |
211 | name = bfd_get_filename (core_bfd); |
212 | if (!bfd_close (core_bfd)) | |
213 | warning ("cannot close \"%s\": %s", | |
214 | name, bfd_errmsg (bfd_get_error ())); | |
b8c9b27d | 215 | xfree (name); |
c906108c | 216 | core_bfd = NULL; |
c906108c SS |
217 | if (core_ops.to_sections) |
218 | { | |
b8c9b27d | 219 | xfree (core_ops.to_sections); |
c906108c SS |
220 | core_ops.to_sections = NULL; |
221 | core_ops.to_sections_end = NULL; | |
222 | } | |
223 | } | |
2acceee2 | 224 | core_vec = NULL; |
0e24ac5d | 225 | core_gdbarch = NULL; |
c906108c SS |
226 | } |
227 | ||
74b7792f AC |
228 | static void |
229 | core_close_cleanup (void *ignore) | |
230 | { | |
231 | core_close (0/*ignored*/); | |
232 | } | |
233 | ||
c906108c SS |
234 | #ifdef SOLIB_ADD |
235 | /* Stub function for catch_errors around shared library hacking. FROM_TTYP | |
236 | is really an int * which points to from_tty. */ | |
237 | ||
c5aa993b | 238 | static int |
4efb68b1 | 239 | solib_add_stub (void *from_ttyp) |
c906108c | 240 | { |
990f9fe3 | 241 | SOLIB_ADD (NULL, *(int *) from_ttyp, ¤t_target, auto_solib_add); |
c906108c SS |
242 | re_enable_breakpoints_in_shlibs (); |
243 | return 0; | |
244 | } | |
245 | #endif /* SOLIB_ADD */ | |
246 | ||
247 | /* Look for sections whose names start with `.reg/' so that we can extract the | |
248 | list of threads in a core file. */ | |
249 | ||
250 | static void | |
4efb68b1 | 251 | add_to_thread_list (bfd *abfd, asection *asect, void *reg_sect_arg) |
c906108c SS |
252 | { |
253 | int thread_id; | |
254 | asection *reg_sect = (asection *) reg_sect_arg; | |
255 | ||
256 | if (strncmp (bfd_section_name (abfd, asect), ".reg/", 5) != 0) | |
257 | return; | |
258 | ||
259 | thread_id = atoi (bfd_section_name (abfd, asect) + 5); | |
260 | ||
39f77062 | 261 | add_thread (pid_to_ptid (thread_id)); |
c906108c SS |
262 | |
263 | /* Warning, Will Robinson, looking at BFD private data! */ | |
264 | ||
265 | if (reg_sect != NULL | |
c5aa993b | 266 | && asect->filepos == reg_sect->filepos) /* Did we find .reg? */ |
39f77062 | 267 | inferior_ptid = pid_to_ptid (thread_id); /* Yes, make it current */ |
c906108c SS |
268 | } |
269 | ||
270 | /* This routine opens and sets up the core file bfd. */ | |
271 | ||
272 | static void | |
fba45db2 | 273 | core_open (char *filename, int from_tty) |
c906108c SS |
274 | { |
275 | const char *p; | |
276 | int siggy; | |
277 | struct cleanup *old_chain; | |
278 | char *temp; | |
279 | bfd *temp_bfd; | |
280 | int ontop; | |
281 | int scratch_chan; | |
282 | ||
283 | target_preopen (from_tty); | |
284 | if (!filename) | |
285 | { | |
c5aa993b JM |
286 | error (core_bfd ? |
287 | "No core file specified. (Use `detach' to stop debugging a core file.)" | |
288 | : "No core file specified."); | |
c906108c SS |
289 | } |
290 | ||
291 | filename = tilde_expand (filename); | |
292 | if (filename[0] != '/') | |
293 | { | |
294 | temp = concat (current_directory, "/", filename, NULL); | |
b8c9b27d | 295 | xfree (filename); |
c906108c SS |
296 | filename = temp; |
297 | } | |
298 | ||
b8c9b27d | 299 | old_chain = make_cleanup (xfree, filename); |
c906108c | 300 | |
8e860359 | 301 | scratch_chan = open (filename, O_BINARY | ( write_files ? O_RDWR : O_RDONLY ), 0); |
c906108c SS |
302 | if (scratch_chan < 0) |
303 | perror_with_name (filename); | |
304 | ||
305 | temp_bfd = bfd_fdopenr (filename, gnutarget, scratch_chan); | |
306 | if (temp_bfd == NULL) | |
307 | perror_with_name (filename); | |
308 | ||
2acceee2 JM |
309 | if (!bfd_check_format (temp_bfd, bfd_core) && |
310 | !gdb_check_format (temp_bfd)) | |
c906108c SS |
311 | { |
312 | /* Do it after the err msg */ | |
313 | /* FIXME: should be checking for errors from bfd_close (for one thing, | |
c5aa993b JM |
314 | on error it does not free all the storage associated with the |
315 | bfd). */ | |
5c65bbb6 | 316 | make_cleanup_bfd_close (temp_bfd); |
c906108c SS |
317 | error ("\"%s\" is not a core dump: %s", |
318 | filename, bfd_errmsg (bfd_get_error ())); | |
319 | } | |
320 | ||
321 | /* Looks semi-reasonable. Toss the old core file and work on the new. */ | |
322 | ||
c5aa993b | 323 | discard_cleanups (old_chain); /* Don't free filename any more */ |
c906108c SS |
324 | unpush_target (&core_ops); |
325 | core_bfd = temp_bfd; | |
74b7792f | 326 | old_chain = make_cleanup (core_close_cleanup, 0 /*ignore*/); |
c906108c | 327 | |
0e24ac5d MK |
328 | /* FIXME: kettenis/20031023: This is very dangerous. The |
329 | CORE_GDBARCH that results from this call may very well be | |
330 | different from CURRENT_GDBARCH. However, its methods may only | |
331 | work if it is selected as the current architecture, because they | |
332 | rely on swapped data (see gdbarch.c). We should get rid of that | |
333 | swapped data. */ | |
334 | core_gdbarch = gdbarch_from_bfd (core_bfd); | |
335 | ||
2acceee2 JM |
336 | /* Find a suitable core file handler to munch on core_bfd */ |
337 | core_vec = sniff_core_bfd (core_bfd); | |
338 | ||
c906108c SS |
339 | validate_files (); |
340 | ||
341 | /* Find the data section */ | |
342 | if (build_section_table (core_bfd, &core_ops.to_sections, | |
343 | &core_ops.to_sections_end)) | |
344 | error ("\"%s\": Can't find sections: %s", | |
345 | bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ())); | |
346 | ||
2f1b5984 MK |
347 | /* If we have no exec file, try to set the architecture from the |
348 | core file. We don't do this unconditionally since an exec file | |
349 | typically contains more information that helps us determine the | |
350 | architecture than a core file. */ | |
351 | if (!exec_bfd) | |
352 | set_gdbarch_from_file (core_bfd); | |
cbda0a99 | 353 | |
c906108c SS |
354 | ontop = !push_target (&core_ops); |
355 | discard_cleanups (old_chain); | |
356 | ||
357 | p = bfd_core_file_failing_command (core_bfd); | |
358 | if (p) | |
359 | printf_filtered ("Core was generated by `%s'.\n", p); | |
360 | ||
361 | siggy = bfd_core_file_failing_signal (core_bfd); | |
362 | if (siggy > 0) | |
8e6a3c35 | 363 | /* NOTE: target_signal_from_host() converts a target signal value |
e26cc349 | 364 | into gdb's internal signal value. Unfortunately gdb's internal |
8e6a3c35 AC |
365 | value is called ``target_signal'' and this function got the |
366 | name ..._from_host(). */ | |
c906108c | 367 | printf_filtered ("Program terminated with signal %d, %s.\n", siggy, |
8e6a3c35 | 368 | target_signal_to_string (target_signal_from_host (siggy))); |
c906108c SS |
369 | |
370 | /* Build up thread list from BFD sections. */ | |
371 | ||
372 | init_thread_list (); | |
373 | bfd_map_over_sections (core_bfd, add_to_thread_list, | |
374 | bfd_get_section_by_name (core_bfd, ".reg")); | |
375 | ||
376 | if (ontop) | |
377 | { | |
378 | /* Fetch all registers from core file. */ | |
379 | target_fetch_registers (-1); | |
380 | ||
381 | /* Add symbols and section mappings for any shared libraries. */ | |
382 | #ifdef SOLIB_ADD | |
c5aa993b | 383 | catch_errors (solib_add_stub, &from_tty, (char *) 0, |
c906108c SS |
384 | RETURN_MASK_ALL); |
385 | #endif | |
386 | ||
387 | /* Now, set up the frame cache, and print the top of stack. */ | |
388 | flush_cached_frames (); | |
0f7d239c | 389 | select_frame (get_current_frame ()); |
6e7f8b9c AC |
390 | print_stack_frame (deprecated_selected_frame, |
391 | frame_relative_level (deprecated_selected_frame), 1); | |
c906108c SS |
392 | } |
393 | else | |
394 | { | |
395 | warning ( | |
c5aa993b | 396 | "you won't be able to access this core file until you terminate\n\ |
c906108c SS |
397 | your %s; do ``info files''", target_longname); |
398 | } | |
399 | } | |
400 | ||
401 | static void | |
fba45db2 | 402 | core_detach (char *args, int from_tty) |
c906108c SS |
403 | { |
404 | if (args) | |
405 | error ("Too many arguments"); | |
406 | unpush_target (&core_ops); | |
407 | reinit_frame_cache (); | |
408 | if (from_tty) | |
409 | printf_filtered ("No core file now.\n"); | |
410 | } | |
411 | ||
de57eccd JM |
412 | |
413 | /* Try to retrieve registers from a section in core_bfd, and supply | |
414 | them to core_vec->core_read_registers, as the register set numbered | |
415 | WHICH. | |
416 | ||
39f77062 KB |
417 | If inferior_ptid is zero, do the single-threaded thing: look for a |
418 | section named NAME. If inferior_ptid is non-zero, do the | |
de57eccd | 419 | multi-threaded thing: look for a section named "NAME/PID", where |
39f77062 | 420 | PID is the shortest ASCII decimal representation of inferior_ptid. |
de57eccd JM |
421 | |
422 | HUMAN_NAME is a human-readable name for the kind of registers the | |
423 | NAME section contains, for use in error messages. | |
424 | ||
425 | If REQUIRED is non-zero, print an error if the core file doesn't | |
426 | have a section by the appropriate name. Otherwise, just do nothing. */ | |
427 | ||
428 | static void | |
429 | get_core_register_section (char *name, | |
430 | int which, | |
431 | char *human_name, | |
432 | int required) | |
433 | { | |
434 | char section_name[100]; | |
7be0c536 | 435 | struct bfd_section *section; |
de57eccd JM |
436 | bfd_size_type size; |
437 | char *contents; | |
438 | ||
39f77062 KB |
439 | if (PIDGET (inferior_ptid)) |
440 | sprintf (section_name, "%s/%d", name, PIDGET (inferior_ptid)); | |
de57eccd JM |
441 | else |
442 | strcpy (section_name, name); | |
443 | ||
444 | section = bfd_get_section_by_name (core_bfd, section_name); | |
445 | if (! section) | |
446 | { | |
447 | if (required) | |
448 | warning ("Couldn't find %s registers in core file.\n", human_name); | |
449 | return; | |
450 | } | |
451 | ||
452 | size = bfd_section_size (core_bfd, section); | |
453 | contents = alloca (size); | |
454 | if (! bfd_get_section_contents (core_bfd, section, contents, | |
455 | (file_ptr) 0, size)) | |
456 | { | |
457 | warning ("Couldn't read %s registers from `%s' section in core file.\n", | |
458 | human_name, name); | |
459 | return; | |
460 | } | |
461 | ||
0e24ac5d MK |
462 | if (core_gdbarch && gdbarch_regset_from_core_section_p (core_gdbarch)) |
463 | { | |
464 | const struct regset *regset; | |
465 | ||
466 | regset = gdbarch_regset_from_core_section (core_gdbarch, name, size); | |
467 | if (regset == NULL) | |
468 | { | |
469 | if (required) | |
470 | warning ("Couldn't recognize %s registers in core file.\n", | |
471 | human_name); | |
472 | return; | |
473 | } | |
474 | ||
475 | regset->supply_regset (regset, current_regcache, -1, contents, size); | |
476 | return; | |
477 | } | |
478 | ||
479 | gdb_assert (core_vec); | |
de57eccd JM |
480 | core_vec->core_read_registers (contents, size, which, |
481 | ((CORE_ADDR) | |
482 | bfd_section_vma (core_bfd, section))); | |
483 | } | |
484 | ||
485 | ||
c906108c SS |
486 | /* Get the registers out of a core file. This is the machine- |
487 | independent part. Fetch_core_registers is the machine-dependent | |
488 | part, typically implemented in the xm-file for each architecture. */ | |
489 | ||
490 | /* We just get all the registers, so we don't use regno. */ | |
491 | ||
c906108c | 492 | static void |
fba45db2 | 493 | get_core_registers (int regno) |
c906108c | 494 | { |
de57eccd | 495 | int status; |
c906108c | 496 | |
0e24ac5d MK |
497 | if (!(core_gdbarch && gdbarch_regset_from_core_section_p (core_gdbarch)) |
498 | && (core_vec == NULL || core_vec->core_read_registers == NULL)) | |
c906108c SS |
499 | { |
500 | fprintf_filtered (gdb_stderr, | |
c5aa993b | 501 | "Can't fetch registers from this type of core file\n"); |
c906108c SS |
502 | return; |
503 | } | |
504 | ||
de57eccd JM |
505 | get_core_register_section (".reg", 0, "general-purpose", 1); |
506 | get_core_register_section (".reg2", 2, "floating-point", 0); | |
507 | get_core_register_section (".reg-xfp", 3, "extended floating-point", 0); | |
c906108c | 508 | |
2b9e5f3f | 509 | deprecated_registers_fetched (); |
c906108c SS |
510 | } |
511 | ||
c906108c | 512 | static void |
fba45db2 | 513 | core_files_info (struct target_ops *t) |
c906108c SS |
514 | { |
515 | print_section_info (t, core_bfd); | |
516 | } | |
517 | \f | |
518 | /* If mourn is being called in all the right places, this could be say | |
519 | `gdb internal error' (since generic_mourn calls breakpoint_init_inferior). */ | |
520 | ||
521 | static int | |
fba45db2 | 522 | ignore (CORE_ADDR addr, char *contents) |
c906108c SS |
523 | { |
524 | return 0; | |
525 | } | |
526 | ||
527 | ||
528 | /* Okay, let's be honest: threads gleaned from a core file aren't | |
529 | exactly lively, are they? On the other hand, if we don't claim | |
530 | that each & every one is alive, then we don't get any of them | |
531 | to appear in an "info thread" command, which is quite a useful | |
532 | behaviour. | |
c5aa993b | 533 | */ |
c906108c | 534 | static int |
39f77062 | 535 | core_file_thread_alive (ptid_t tid) |
c906108c SS |
536 | { |
537 | return 1; | |
538 | } | |
539 | ||
540 | /* Fill in core_ops with its defined operations and properties. */ | |
541 | ||
542 | static void | |
fba45db2 | 543 | init_core_ops (void) |
c906108c SS |
544 | { |
545 | core_ops.to_shortname = "core"; | |
546 | core_ops.to_longname = "Local core dump file"; | |
547 | core_ops.to_doc = | |
548 | "Use a core file as a target. Specify the filename of the core file."; | |
549 | core_ops.to_open = core_open; | |
550 | core_ops.to_close = core_close; | |
551 | core_ops.to_attach = find_default_attach; | |
c906108c | 552 | core_ops.to_detach = core_detach; |
c906108c SS |
553 | core_ops.to_fetch_registers = get_core_registers; |
554 | core_ops.to_xfer_memory = xfer_memory; | |
555 | core_ops.to_files_info = core_files_info; | |
556 | core_ops.to_insert_breakpoint = ignore; | |
557 | core_ops.to_remove_breakpoint = ignore; | |
558 | core_ops.to_create_inferior = find_default_create_inferior; | |
c906108c | 559 | core_ops.to_thread_alive = core_file_thread_alive; |
c906108c SS |
560 | core_ops.to_stratum = core_stratum; |
561 | core_ops.to_has_memory = 1; | |
562 | core_ops.to_has_stack = 1; | |
563 | core_ops.to_has_registers = 1; | |
c5aa993b | 564 | core_ops.to_magic = OPS_MAGIC; |
c906108c SS |
565 | } |
566 | ||
567 | /* non-zero if we should not do the add_target call in | |
568 | _initialize_corelow; not initialized (i.e., bss) so that | |
569 | the target can initialize it (i.e., data) if appropriate. | |
570 | This needs to be set at compile time because we don't know | |
571 | for sure whether the target's initialize routine is called | |
572 | before us or after us. */ | |
573 | int coreops_suppress_target; | |
574 | ||
575 | void | |
fba45db2 | 576 | _initialize_corelow (void) |
c906108c SS |
577 | { |
578 | init_core_ops (); | |
579 | ||
580 | if (!coreops_suppress_target) | |
581 | add_target (&core_ops); | |
582 | } |