Commit | Line | Data |
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c906108c | 1 | /* Core dump and executable file functions below target vector, for GDB. |
4646aa9d | 2 | |
61baf725 | 3 | Copyright (C) 1986-2017 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
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. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
0e24ac5d | 21 | #include "arch-utils.h" |
c906108c SS |
22 | #include <signal.h> |
23 | #include <fcntl.h> | |
fc24370e MS |
24 | #ifdef HAVE_SYS_FILE_H |
25 | #include <sys/file.h> /* needed for F_OK and friends */ | |
26 | #endif | |
c5aa993b | 27 | #include "frame.h" /* required by inferior.h */ |
c906108c | 28 | #include "inferior.h" |
45741a9c | 29 | #include "infrun.h" |
c906108c SS |
30 | #include "symtab.h" |
31 | #include "command.h" | |
32 | #include "bfd.h" | |
33 | #include "target.h" | |
34 | #include "gdbcore.h" | |
35 | #include "gdbthread.h" | |
4e052eda | 36 | #include "regcache.h" |
0e24ac5d | 37 | #include "regset.h" |
990f9fe3 | 38 | #include "symfile.h" |
4646aa9d | 39 | #include "exec.h" |
dbda9972 | 40 | #include "readline/readline.h" |
a77053c2 | 41 | #include "solib.h" |
f90c07ac | 42 | #include "filenames.h" |
6c95b8df | 43 | #include "progspace.h" |
516ba659 | 44 | #include "objfiles.h" |
cbb099e8 | 45 | #include "gdb_bfd.h" |
9852c492 | 46 | #include "completer.h" |
614c279d | 47 | #include "filestuff.h" |
8e860359 | 48 | |
ee28ca0f AC |
49 | #ifndef O_LARGEFILE |
50 | #define O_LARGEFILE 0 | |
51 | #endif | |
52 | ||
00e32a35 AC |
53 | /* List of all available core_fns. On gdb startup, each core file |
54 | register reader calls deprecated_add_core_fns() to register | |
55 | information on each core format it is prepared to read. */ | |
c906108c SS |
56 | |
57 | static struct core_fns *core_file_fns = NULL; | |
58 | ||
aff410f1 MS |
59 | /* The core_fns for a core file handler that is prepared to read the |
60 | core file currently open on core_bfd. */ | |
2acceee2 JM |
61 | |
62 | static struct core_fns *core_vec = NULL; | |
63 | ||
0e24ac5d MK |
64 | /* FIXME: kettenis/20031023: Eventually this variable should |
65 | disappear. */ | |
66 | ||
6a3bfc5c | 67 | static struct gdbarch *core_gdbarch = NULL; |
0e24ac5d | 68 | |
07b82ea5 PA |
69 | /* Per-core data. Currently, only the section table. Note that these |
70 | target sections are *not* mapped in the current address spaces' set | |
71 | of target sections --- those should come only from pure executable | |
72 | or shared library bfds. The core bfd sections are an | |
73 | implementation detail of the core target, just like ptrace is for | |
74 | unix child targets. */ | |
75 | static struct target_section_table *core_data; | |
76 | ||
a14ed312 | 77 | static void core_files_info (struct target_ops *); |
c906108c | 78 | |
a14ed312 | 79 | static struct core_fns *sniff_core_bfd (bfd *); |
2acceee2 | 80 | |
020cc13c | 81 | static int gdb_check_format (bfd *); |
2acceee2 | 82 | |
de90e03d | 83 | static void core_close (struct target_ops *self); |
c906108c | 84 | |
74b7792f AC |
85 | static void core_close_cleanup (void *ignore); |
86 | ||
4efb68b1 | 87 | static void add_to_thread_list (bfd *, asection *, void *); |
c906108c | 88 | |
a14ed312 | 89 | static void init_core_ops (void); |
c906108c | 90 | |
a14ed312 | 91 | void _initialize_corelow (void); |
c906108c | 92 | |
c0edd9ed | 93 | static struct target_ops core_ops; |
c906108c | 94 | |
7f9f62ba PA |
95 | /* An arbitrary identifier for the core inferior. */ |
96 | #define CORELOW_PID 1 | |
97 | ||
aff410f1 MS |
98 | /* Link a new core_fns into the global core_file_fns list. Called on |
99 | gdb startup by the _initialize routine in each core file register | |
b021a221 | 100 | reader, to register information about each format the reader is |
aff410f1 | 101 | prepared to handle. */ |
c906108c SS |
102 | |
103 | void | |
00e32a35 | 104 | deprecated_add_core_fns (struct core_fns *cf) |
c906108c | 105 | { |
c5aa993b | 106 | cf->next = core_file_fns; |
c906108c SS |
107 | core_file_fns = cf; |
108 | } | |
109 | ||
2acceee2 JM |
110 | /* The default function that core file handlers can use to examine a |
111 | core file BFD and decide whether or not to accept the job of | |
aff410f1 | 112 | reading the core file. */ |
2acceee2 JM |
113 | |
114 | int | |
fba45db2 | 115 | default_core_sniffer (struct core_fns *our_fns, bfd *abfd) |
2acceee2 JM |
116 | { |
117 | int result; | |
118 | ||
119 | result = (bfd_get_flavour (abfd) == our_fns -> core_flavour); | |
120 | return (result); | |
121 | } | |
122 | ||
123 | /* Walk through the list of core functions to find a set that can | |
06b9f45f | 124 | handle the core file open on ABFD. Returns pointer to set that is |
aff410f1 | 125 | selected. */ |
2acceee2 JM |
126 | |
127 | static struct core_fns * | |
fba45db2 | 128 | sniff_core_bfd (bfd *abfd) |
2acceee2 JM |
129 | { |
130 | struct core_fns *cf; | |
131 | struct core_fns *yummy = NULL; | |
132 | int matches = 0;; | |
133 | ||
aff410f1 MS |
134 | /* Don't sniff if we have support for register sets in |
135 | CORE_GDBARCH. */ | |
29082443 | 136 | if (core_gdbarch && gdbarch_iterate_over_regset_sections_p (core_gdbarch)) |
0e24ac5d MK |
137 | return NULL; |
138 | ||
2acceee2 JM |
139 | for (cf = core_file_fns; cf != NULL; cf = cf->next) |
140 | { | |
141 | if (cf->core_sniffer (cf, abfd)) | |
142 | { | |
143 | yummy = cf; | |
144 | matches++; | |
145 | } | |
146 | } | |
147 | if (matches > 1) | |
148 | { | |
8a3fe4f8 | 149 | warning (_("\"%s\": ambiguous core format, %d handlers match"), |
2acceee2 JM |
150 | bfd_get_filename (abfd), matches); |
151 | } | |
152 | else if (matches == 0) | |
06b9f45f JK |
153 | error (_("\"%s\": no core file handler recognizes format"), |
154 | bfd_get_filename (abfd)); | |
155 | ||
2acceee2 JM |
156 | return (yummy); |
157 | } | |
158 | ||
159 | /* The default is to reject every core file format we see. Either | |
160 | BFD has to recognize it, or we have to provide a function in the | |
aff410f1 | 161 | core file handler that recognizes it. */ |
2acceee2 JM |
162 | |
163 | int | |
fba45db2 | 164 | default_check_format (bfd *abfd) |
2acceee2 JM |
165 | { |
166 | return (0); | |
167 | } | |
168 | ||
aff410f1 | 169 | /* Attempt to recognize core file formats that BFD rejects. */ |
2acceee2 | 170 | |
020cc13c | 171 | static int |
fba45db2 | 172 | gdb_check_format (bfd *abfd) |
2acceee2 JM |
173 | { |
174 | struct core_fns *cf; | |
175 | ||
176 | for (cf = core_file_fns; cf != NULL; cf = cf->next) | |
177 | { | |
178 | if (cf->check_format (abfd)) | |
179 | { | |
81a9a963 | 180 | return (1); |
2acceee2 JM |
181 | } |
182 | } | |
81a9a963 | 183 | return (0); |
2acceee2 | 184 | } |
c906108c | 185 | |
aff410f1 MS |
186 | /* Discard all vestiges of any previous core file and mark data and |
187 | stack spaces as empty. */ | |
c906108c | 188 | |
c906108c | 189 | static void |
de90e03d | 190 | core_close (struct target_ops *self) |
c906108c | 191 | { |
c906108c SS |
192 | if (core_bfd) |
193 | { | |
959b8724 | 194 | int pid = ptid_get_pid (inferior_ptid); |
aff410f1 MS |
195 | inferior_ptid = null_ptid; /* Avoid confusion from thread |
196 | stuff. */ | |
06b9f45f JK |
197 | if (pid != 0) |
198 | exit_inferior_silent (pid); | |
c906108c | 199 | |
aff410f1 MS |
200 | /* Clear out solib state while the bfd is still open. See |
201 | comments in clear_solib in solib.c. */ | |
a77053c2 | 202 | clear_solib (); |
7a292a7a | 203 | |
06b9f45f JK |
204 | if (core_data) |
205 | { | |
206 | xfree (core_data->sections); | |
207 | xfree (core_data); | |
208 | core_data = NULL; | |
209 | } | |
07b82ea5 | 210 | |
cbb099e8 | 211 | gdb_bfd_unref (core_bfd); |
c906108c | 212 | core_bfd = NULL; |
c906108c | 213 | } |
2acceee2 | 214 | core_vec = NULL; |
0e24ac5d | 215 | core_gdbarch = NULL; |
c906108c SS |
216 | } |
217 | ||
74b7792f AC |
218 | static void |
219 | core_close_cleanup (void *ignore) | |
220 | { | |
de90e03d | 221 | core_close (NULL); |
74b7792f AC |
222 | } |
223 | ||
aff410f1 MS |
224 | /* Look for sections whose names start with `.reg/' so that we can |
225 | extract the list of threads in a core file. */ | |
c906108c SS |
226 | |
227 | static void | |
4efb68b1 | 228 | add_to_thread_list (bfd *abfd, asection *asect, void *reg_sect_arg) |
c906108c | 229 | { |
0de3b513 | 230 | ptid_t ptid; |
3cdd9356 PA |
231 | int core_tid; |
232 | int pid, lwpid; | |
c906108c | 233 | asection *reg_sect = (asection *) reg_sect_arg; |
88f38a04 PA |
234 | int fake_pid_p = 0; |
235 | struct inferior *inf; | |
c906108c | 236 | |
61012eef | 237 | if (!startswith (bfd_section_name (abfd, asect), ".reg/")) |
c906108c SS |
238 | return; |
239 | ||
3cdd9356 | 240 | core_tid = atoi (bfd_section_name (abfd, asect) + 5); |
c906108c | 241 | |
261b8d08 PA |
242 | pid = bfd_core_file_pid (core_bfd); |
243 | if (pid == 0) | |
3cdd9356 | 244 | { |
88f38a04 | 245 | fake_pid_p = 1; |
3cdd9356 | 246 | pid = CORELOW_PID; |
3cdd9356 | 247 | } |
0de3b513 | 248 | |
261b8d08 PA |
249 | lwpid = core_tid; |
250 | ||
88f38a04 PA |
251 | inf = current_inferior (); |
252 | if (inf->pid == 0) | |
253 | { | |
254 | inferior_appeared (inf, pid); | |
255 | inf->fake_pid_p = fake_pid_p; | |
256 | } | |
3cdd9356 PA |
257 | |
258 | ptid = ptid_build (pid, lwpid, 0); | |
259 | ||
260 | add_thread (ptid); | |
c906108c SS |
261 | |
262 | /* Warning, Will Robinson, looking at BFD private data! */ | |
263 | ||
264 | if (reg_sect != NULL | |
aff410f1 MS |
265 | && asect->filepos == reg_sect->filepos) /* Did we find .reg? */ |
266 | inferior_ptid = ptid; /* Yes, make it current. */ | |
c906108c SS |
267 | } |
268 | ||
269 | /* This routine opens and sets up the core file bfd. */ | |
270 | ||
271 | static void | |
014f9477 | 272 | core_open (const char *arg, int from_tty) |
c906108c SS |
273 | { |
274 | const char *p; | |
275 | int siggy; | |
276 | struct cleanup *old_chain; | |
277 | char *temp; | |
c906108c | 278 | int scratch_chan; |
ee28ca0f | 279 | int flags; |
014f9477 | 280 | char *filename; |
c906108c SS |
281 | |
282 | target_preopen (from_tty); | |
014f9477 | 283 | if (!arg) |
c906108c | 284 | { |
8a3fe4f8 | 285 | if (core_bfd) |
3e43a32a MS |
286 | error (_("No core file specified. (Use `detach' " |
287 | "to stop debugging a core file.)")); | |
8a3fe4f8 AC |
288 | else |
289 | error (_("No core file specified.")); | |
c906108c SS |
290 | } |
291 | ||
014f9477 | 292 | filename = tilde_expand (arg); |
aff410f1 | 293 | if (!IS_ABSOLUTE_PATH (filename)) |
c906108c | 294 | { |
aff410f1 MS |
295 | temp = concat (current_directory, "/", |
296 | filename, (char *) NULL); | |
b8c9b27d | 297 | xfree (filename); |
c906108c SS |
298 | filename = temp; |
299 | } | |
300 | ||
b8c9b27d | 301 | old_chain = make_cleanup (xfree, filename); |
c906108c | 302 | |
ee28ca0f AC |
303 | flags = O_BINARY | O_LARGEFILE; |
304 | if (write_files) | |
305 | flags |= O_RDWR; | |
306 | else | |
307 | flags |= O_RDONLY; | |
614c279d | 308 | scratch_chan = gdb_open_cloexec (filename, flags, 0); |
c906108c SS |
309 | if (scratch_chan < 0) |
310 | perror_with_name (filename); | |
311 | ||
192b62ce TT |
312 | gdb_bfd_ref_ptr temp_bfd (gdb_bfd_fopen (filename, gnutarget, |
313 | write_files ? FOPEN_RUB : FOPEN_RB, | |
314 | scratch_chan)); | |
c906108c SS |
315 | if (temp_bfd == NULL) |
316 | perror_with_name (filename); | |
317 | ||
192b62ce TT |
318 | if (!bfd_check_format (temp_bfd.get (), bfd_core) |
319 | && !gdb_check_format (temp_bfd.get ())) | |
c906108c SS |
320 | { |
321 | /* Do it after the err msg */ | |
aff410f1 MS |
322 | /* FIXME: should be checking for errors from bfd_close (for one |
323 | thing, on error it does not free all the storage associated | |
324 | with the bfd). */ | |
8a3fe4f8 | 325 | error (_("\"%s\" is not a core dump: %s"), |
c906108c SS |
326 | filename, bfd_errmsg (bfd_get_error ())); |
327 | } | |
328 | ||
aff410f1 MS |
329 | /* Looks semi-reasonable. Toss the old core file and work on the |
330 | new. */ | |
c906108c | 331 | |
a4453b7e | 332 | do_cleanups (old_chain); |
c906108c | 333 | unpush_target (&core_ops); |
192b62ce | 334 | core_bfd = temp_bfd.release (); |
74b7792f | 335 | old_chain = make_cleanup (core_close_cleanup, 0 /*ignore*/); |
c906108c | 336 | |
0e24ac5d MK |
337 | core_gdbarch = gdbarch_from_bfd (core_bfd); |
338 | ||
2acceee2 JM |
339 | /* Find a suitable core file handler to munch on core_bfd */ |
340 | core_vec = sniff_core_bfd (core_bfd); | |
341 | ||
c906108c SS |
342 | validate_files (); |
343 | ||
41bf6aca | 344 | core_data = XCNEW (struct target_section_table); |
07b82ea5 | 345 | |
c906108c | 346 | /* Find the data section */ |
07b82ea5 | 347 | if (build_section_table (core_bfd, |
aff410f1 MS |
348 | &core_data->sections, |
349 | &core_data->sections_end)) | |
8a3fe4f8 | 350 | error (_("\"%s\": Can't find sections: %s"), |
c906108c SS |
351 | bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ())); |
352 | ||
2f1b5984 MK |
353 | /* If we have no exec file, try to set the architecture from the |
354 | core file. We don't do this unconditionally since an exec file | |
355 | typically contains more information that helps us determine the | |
356 | architecture than a core file. */ | |
357 | if (!exec_bfd) | |
358 | set_gdbarch_from_file (core_bfd); | |
cbda0a99 | 359 | |
87ab71f0 | 360 | push_target (&core_ops); |
c906108c SS |
361 | discard_cleanups (old_chain); |
362 | ||
0de3b513 PA |
363 | /* Do this before acknowledging the inferior, so if |
364 | post_create_inferior throws (can happen easilly if you're loading | |
365 | a core file with the wrong exec), we aren't left with threads | |
366 | from the previous inferior. */ | |
367 | init_thread_list (); | |
368 | ||
3cdd9356 | 369 | inferior_ptid = null_ptid; |
0de3b513 | 370 | |
739fc47a PA |
371 | /* Need to flush the register cache (and the frame cache) from a |
372 | previous debug session. If inferior_ptid ends up the same as the | |
373 | last debug session --- e.g., b foo; run; gcore core1; step; gcore | |
374 | core2; core core1; core core2 --- then there's potential for | |
375 | get_current_regcache to return the cached regcache of the | |
376 | previous session, and the frame cache being stale. */ | |
377 | registers_changed (); | |
378 | ||
0de3b513 PA |
379 | /* Build up thread list from BFD sections, and possibly set the |
380 | current thread to the .reg/NN section matching the .reg | |
aff410f1 | 381 | section. */ |
0de3b513 PA |
382 | bfd_map_over_sections (core_bfd, add_to_thread_list, |
383 | bfd_get_section_by_name (core_bfd, ".reg")); | |
384 | ||
3cdd9356 PA |
385 | if (ptid_equal (inferior_ptid, null_ptid)) |
386 | { | |
387 | /* Either we found no .reg/NN section, and hence we have a | |
388 | non-threaded core (single-threaded, from gdb's perspective), | |
389 | or for some reason add_to_thread_list couldn't determine | |
390 | which was the "main" thread. The latter case shouldn't | |
391 | usually happen, but we're dealing with input here, which can | |
392 | always be broken in different ways. */ | |
393 | struct thread_info *thread = first_thread_of_process (-1); | |
c5504eaf | 394 | |
3cdd9356 PA |
395 | if (thread == NULL) |
396 | { | |
c45ceae0 | 397 | inferior_appeared (current_inferior (), CORELOW_PID); |
3cdd9356 PA |
398 | inferior_ptid = pid_to_ptid (CORELOW_PID); |
399 | add_thread_silent (inferior_ptid); | |
400 | } | |
401 | else | |
402 | switch_to_thread (thread->ptid); | |
403 | } | |
404 | ||
959b8724 PA |
405 | post_create_inferior (&core_ops, from_tty); |
406 | ||
0de3b513 PA |
407 | /* Now go through the target stack looking for threads since there |
408 | may be a thread_stratum target loaded on top of target core by | |
409 | now. The layer above should claim threads found in the BFD | |
410 | sections. */ | |
492d29ea | 411 | TRY |
8e7b59a5 | 412 | { |
e8032dde | 413 | target_update_thread_list (); |
8e7b59a5 KS |
414 | } |
415 | ||
492d29ea PA |
416 | CATCH (except, RETURN_MASK_ERROR) |
417 | { | |
418 | exception_print (gdb_stderr, except); | |
419 | } | |
420 | END_CATCH | |
0de3b513 | 421 | |
c906108c SS |
422 | p = bfd_core_file_failing_command (core_bfd); |
423 | if (p) | |
a3f17187 | 424 | printf_filtered (_("Core was generated by `%s'.\n"), p); |
c906108c | 425 | |
0c557179 SDJ |
426 | /* Clearing any previous state of convenience variables. */ |
427 | clear_exit_convenience_vars (); | |
428 | ||
c906108c SS |
429 | siggy = bfd_core_file_failing_signal (core_bfd); |
430 | if (siggy > 0) | |
423ec54c | 431 | { |
22203bbf | 432 | /* If we don't have a CORE_GDBARCH to work with, assume a native |
1f8cf220 PA |
433 | core (map gdb_signal from host signals). If we do have |
434 | CORE_GDBARCH to work with, but no gdb_signal_from_target | |
435 | implementation for that gdbarch, as a fallback measure, | |
436 | assume the host signal mapping. It'll be correct for native | |
437 | cores, but most likely incorrect for cross-cores. */ | |
2ea28649 | 438 | enum gdb_signal sig = (core_gdbarch != NULL |
1f8cf220 PA |
439 | && gdbarch_gdb_signal_from_target_p (core_gdbarch) |
440 | ? gdbarch_gdb_signal_from_target (core_gdbarch, | |
441 | siggy) | |
442 | : gdb_signal_from_host (siggy)); | |
423ec54c | 443 | |
2d503272 PM |
444 | printf_filtered (_("Program terminated with signal %s, %s.\n"), |
445 | gdb_signal_to_name (sig), gdb_signal_to_string (sig)); | |
0c557179 SDJ |
446 | |
447 | /* Set the value of the internal variable $_exitsignal, | |
448 | which holds the signal uncaught by the inferior. */ | |
449 | set_internalvar_integer (lookup_internalvar ("_exitsignal"), | |
450 | siggy); | |
423ec54c | 451 | } |
c906108c | 452 | |
87ab71f0 PA |
453 | /* Fetch all registers from core file. */ |
454 | target_fetch_registers (get_current_regcache (), -1); | |
c906108c | 455 | |
87ab71f0 PA |
456 | /* Now, set up the frame cache, and print the top of stack. */ |
457 | reinit_frame_cache (); | |
08d72866 | 458 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1); |
f0e8c4c5 JK |
459 | |
460 | /* Current thread should be NUM 1 but the user does not know that. | |
461 | If a program is single threaded gdb in general does not mention | |
462 | anything about threads. That is why the test is >= 2. */ | |
463 | if (thread_count () >= 2) | |
464 | { | |
492d29ea | 465 | TRY |
f0e8c4c5 JK |
466 | { |
467 | thread_command (NULL, from_tty); | |
468 | } | |
492d29ea PA |
469 | CATCH (except, RETURN_MASK_ERROR) |
470 | { | |
471 | exception_print (gdb_stderr, except); | |
472 | } | |
473 | END_CATCH | |
f0e8c4c5 | 474 | } |
c906108c SS |
475 | } |
476 | ||
477 | static void | |
52554a0e | 478 | core_detach (struct target_ops *ops, const char *args, int from_tty) |
c906108c SS |
479 | { |
480 | if (args) | |
8a3fe4f8 | 481 | error (_("Too many arguments")); |
136d6dae | 482 | unpush_target (ops); |
c906108c SS |
483 | reinit_frame_cache (); |
484 | if (from_tty) | |
a3f17187 | 485 | printf_filtered (_("No core file now.\n")); |
c906108c SS |
486 | } |
487 | ||
de57eccd JM |
488 | /* Try to retrieve registers from a section in core_bfd, and supply |
489 | them to core_vec->core_read_registers, as the register set numbered | |
490 | WHICH. | |
491 | ||
11a33714 SM |
492 | If ptid's lwp member is zero, do the single-threaded |
493 | thing: look for a section named NAME. If ptid's lwp | |
0de3b513 PA |
494 | member is non-zero, do the multi-threaded thing: look for a section |
495 | named "NAME/LWP", where LWP is the shortest ASCII decimal | |
11a33714 | 496 | representation of ptid's lwp member. |
de57eccd JM |
497 | |
498 | HUMAN_NAME is a human-readable name for the kind of registers the | |
499 | NAME section contains, for use in error messages. | |
500 | ||
501 | If REQUIRED is non-zero, print an error if the core file doesn't | |
aff410f1 MS |
502 | have a section by the appropriate name. Otherwise, just do |
503 | nothing. */ | |
de57eccd JM |
504 | |
505 | static void | |
9eefc95f | 506 | get_core_register_section (struct regcache *regcache, |
8f0435f7 | 507 | const struct regset *regset, |
1b1818e4 | 508 | const char *name, |
8f0435f7 | 509 | int min_size, |
de57eccd | 510 | int which, |
1b1818e4 | 511 | const char *human_name, |
de57eccd JM |
512 | int required) |
513 | { | |
3ecda457 | 514 | static char *section_name = NULL; |
7be0c536 | 515 | struct bfd_section *section; |
de57eccd JM |
516 | bfd_size_type size; |
517 | char *contents; | |
874a1c8c AT |
518 | bool variable_size_section = (regset != NULL |
519 | && regset->flags & REGSET_VARIABLE_SIZE); | |
11a33714 | 520 | ptid_t ptid = regcache_get_ptid (regcache); |
de57eccd | 521 | |
3ecda457 | 522 | xfree (section_name); |
959b8724 | 523 | |
11a33714 | 524 | if (ptid_get_lwp (ptid)) |
aff410f1 | 525 | section_name = xstrprintf ("%s/%ld", name, |
11a33714 | 526 | ptid_get_lwp (ptid)); |
de57eccd | 527 | else |
3ecda457 | 528 | section_name = xstrdup (name); |
de57eccd JM |
529 | |
530 | section = bfd_get_section_by_name (core_bfd, section_name); | |
531 | if (! section) | |
532 | { | |
533 | if (required) | |
aff410f1 MS |
534 | warning (_("Couldn't find %s registers in core file."), |
535 | human_name); | |
de57eccd JM |
536 | return; |
537 | } | |
538 | ||
539 | size = bfd_section_size (core_bfd, section); | |
8f0435f7 AA |
540 | if (size < min_size) |
541 | { | |
542 | warning (_("Section `%s' in core file too small."), section_name); | |
543 | return; | |
544 | } | |
874a1c8c | 545 | if (size != min_size && !variable_size_section) |
f962539a AA |
546 | { |
547 | warning (_("Unexpected size of section `%s' in core file."), | |
548 | section_name); | |
549 | } | |
8f0435f7 | 550 | |
224c3ddb | 551 | contents = (char *) alloca (size); |
de57eccd JM |
552 | if (! bfd_get_section_contents (core_bfd, section, contents, |
553 | (file_ptr) 0, size)) | |
554 | { | |
8a3fe4f8 | 555 | warning (_("Couldn't read %s registers from `%s' section in core file."), |
de57eccd JM |
556 | human_name, name); |
557 | return; | |
558 | } | |
559 | ||
8f0435f7 AA |
560 | if (regset != NULL) |
561 | { | |
9eefc95f | 562 | regset->supply_regset (regset, regcache, -1, contents, size); |
0e24ac5d MK |
563 | return; |
564 | } | |
565 | ||
566 | gdb_assert (core_vec); | |
9eefc95f | 567 | core_vec->core_read_registers (regcache, contents, size, which, |
de57eccd JM |
568 | ((CORE_ADDR) |
569 | bfd_section_vma (core_bfd, section))); | |
570 | } | |
571 | ||
5aa82d05 AA |
572 | /* Callback for get_core_registers that handles a single core file |
573 | register note section. */ | |
574 | ||
575 | static void | |
576 | get_core_registers_cb (const char *sect_name, int size, | |
8f0435f7 | 577 | const struct regset *regset, |
5aa82d05 AA |
578 | const char *human_name, void *cb_data) |
579 | { | |
580 | struct regcache *regcache = (struct regcache *) cb_data; | |
8f0435f7 | 581 | int required = 0; |
5aa82d05 AA |
582 | |
583 | if (strcmp (sect_name, ".reg") == 0) | |
8f0435f7 AA |
584 | { |
585 | required = 1; | |
586 | if (human_name == NULL) | |
587 | human_name = "general-purpose"; | |
588 | } | |
5aa82d05 | 589 | else if (strcmp (sect_name, ".reg2") == 0) |
8f0435f7 AA |
590 | { |
591 | if (human_name == NULL) | |
592 | human_name = "floating-point"; | |
593 | } | |
594 | ||
595 | /* The 'which' parameter is only used when no regset is provided. | |
596 | Thus we just set it to -1. */ | |
597 | get_core_register_section (regcache, regset, sect_name, | |
598 | size, -1, human_name, required); | |
5aa82d05 | 599 | } |
de57eccd | 600 | |
c906108c SS |
601 | /* Get the registers out of a core file. This is the machine- |
602 | independent part. Fetch_core_registers is the machine-dependent | |
aff410f1 MS |
603 | part, typically implemented in the xm-file for each |
604 | architecture. */ | |
c906108c SS |
605 | |
606 | /* We just get all the registers, so we don't use regno. */ | |
607 | ||
c906108c | 608 | static void |
28439f5e PA |
609 | get_core_registers (struct target_ops *ops, |
610 | struct regcache *regcache, int regno) | |
c906108c | 611 | { |
9c5ea4d9 | 612 | int i; |
5aa82d05 | 613 | struct gdbarch *gdbarch; |
c906108c | 614 | |
29082443 | 615 | if (!(core_gdbarch && gdbarch_iterate_over_regset_sections_p (core_gdbarch)) |
0e24ac5d | 616 | && (core_vec == NULL || core_vec->core_read_registers == NULL)) |
c906108c SS |
617 | { |
618 | fprintf_filtered (gdb_stderr, | |
c5aa993b | 619 | "Can't fetch registers from this type of core file\n"); |
c906108c SS |
620 | return; |
621 | } | |
622 | ||
5aa82d05 AA |
623 | gdbarch = get_regcache_arch (regcache); |
624 | if (gdbarch_iterate_over_regset_sections_p (gdbarch)) | |
625 | gdbarch_iterate_over_regset_sections (gdbarch, | |
626 | get_core_registers_cb, | |
627 | (void *) regcache, NULL); | |
1b1818e4 UW |
628 | else |
629 | { | |
8f0435f7 AA |
630 | get_core_register_section (regcache, NULL, |
631 | ".reg", 0, 0, "general-purpose", 1); | |
632 | get_core_register_section (regcache, NULL, | |
633 | ".reg2", 0, 2, "floating-point", 0); | |
1b1818e4 | 634 | } |
c906108c | 635 | |
ee99023e | 636 | /* Mark all registers not found in the core as unavailable. */ |
13b8769f | 637 | for (i = 0; i < gdbarch_num_regs (get_regcache_arch (regcache)); i++) |
ee99023e | 638 | if (regcache_register_status (regcache, i) == REG_UNKNOWN) |
9c5ea4d9 | 639 | regcache_raw_supply (regcache, i, NULL); |
c906108c SS |
640 | } |
641 | ||
c906108c | 642 | static void |
fba45db2 | 643 | core_files_info (struct target_ops *t) |
c906108c | 644 | { |
07b82ea5 | 645 | print_section_info (core_data, core_bfd); |
c906108c | 646 | } |
e2544d02 | 647 | \f |
efcbbd14 UW |
648 | struct spuid_list |
649 | { | |
650 | gdb_byte *buf; | |
651 | ULONGEST offset; | |
652 | LONGEST len; | |
653 | ULONGEST pos; | |
654 | ULONGEST written; | |
655 | }; | |
656 | ||
657 | static void | |
658 | add_to_spuid_list (bfd *abfd, asection *asect, void *list_p) | |
659 | { | |
9a3c8263 | 660 | struct spuid_list *list = (struct spuid_list *) list_p; |
efcbbd14 | 661 | enum bfd_endian byte_order |
aff410f1 | 662 | = bfd_big_endian (abfd) ? BFD_ENDIAN_BIG : BFD_ENDIAN_LITTLE; |
efcbbd14 UW |
663 | int fd, pos = 0; |
664 | ||
665 | sscanf (bfd_section_name (abfd, asect), "SPU/%d/regs%n", &fd, &pos); | |
666 | if (pos == 0) | |
667 | return; | |
668 | ||
669 | if (list->pos >= list->offset && list->pos + 4 <= list->offset + list->len) | |
670 | { | |
671 | store_unsigned_integer (list->buf + list->pos - list->offset, | |
672 | 4, byte_order, fd); | |
673 | list->written += 4; | |
674 | } | |
675 | list->pos += 4; | |
676 | } | |
677 | ||
9015683b TT |
678 | /* Read siginfo data from the core, if possible. Returns -1 on |
679 | failure. Otherwise, returns the number of bytes read. ABFD is the | |
680 | core file's BFD; READBUF, OFFSET, and LEN are all as specified by | |
681 | the to_xfer_partial interface. */ | |
682 | ||
683 | static LONGEST | |
6b6aa828 | 684 | get_core_siginfo (bfd *abfd, gdb_byte *readbuf, ULONGEST offset, ULONGEST len) |
9015683b TT |
685 | { |
686 | asection *section; | |
9015683b TT |
687 | char *section_name; |
688 | const char *name = ".note.linuxcore.siginfo"; | |
689 | ||
690 | if (ptid_get_lwp (inferior_ptid)) | |
691 | section_name = xstrprintf ("%s/%ld", name, | |
692 | ptid_get_lwp (inferior_ptid)); | |
693 | else | |
694 | section_name = xstrdup (name); | |
695 | ||
696 | section = bfd_get_section_by_name (abfd, section_name); | |
697 | xfree (section_name); | |
698 | if (section == NULL) | |
699 | return -1; | |
700 | ||
701 | if (!bfd_get_section_contents (abfd, section, readbuf, offset, len)) | |
702 | return -1; | |
703 | ||
704 | return len; | |
705 | } | |
706 | ||
9b409511 | 707 | static enum target_xfer_status |
e2544d02 | 708 | core_xfer_partial (struct target_ops *ops, enum target_object object, |
961cb7b5 | 709 | const char *annex, gdb_byte *readbuf, |
aff410f1 | 710 | const gdb_byte *writebuf, ULONGEST offset, |
9b409511 | 711 | ULONGEST len, ULONGEST *xfered_len) |
e2544d02 RM |
712 | { |
713 | switch (object) | |
714 | { | |
715 | case TARGET_OBJECT_MEMORY: | |
07b82ea5 | 716 | return section_table_xfer_memory_partial (readbuf, writebuf, |
9b409511 | 717 | offset, len, xfered_len, |
07b82ea5 PA |
718 | core_data->sections, |
719 | core_data->sections_end, | |
720 | NULL); | |
e2544d02 RM |
721 | |
722 | case TARGET_OBJECT_AUXV: | |
723 | if (readbuf) | |
724 | { | |
725 | /* When the aux vector is stored in core file, BFD | |
726 | represents this with a fake section called ".auxv". */ | |
727 | ||
c4c5b7ba | 728 | struct bfd_section *section; |
e2544d02 | 729 | bfd_size_type size; |
e2544d02 RM |
730 | |
731 | section = bfd_get_section_by_name (core_bfd, ".auxv"); | |
732 | if (section == NULL) | |
2ed4b548 | 733 | return TARGET_XFER_E_IO; |
e2544d02 RM |
734 | |
735 | size = bfd_section_size (core_bfd, section); | |
736 | if (offset >= size) | |
9b409511 | 737 | return TARGET_XFER_EOF; |
e2544d02 RM |
738 | size -= offset; |
739 | if (size > len) | |
740 | size = len; | |
9b409511 YQ |
741 | |
742 | if (size == 0) | |
743 | return TARGET_XFER_EOF; | |
744 | if (!bfd_get_section_contents (core_bfd, section, readbuf, | |
745 | (file_ptr) offset, size)) | |
e2544d02 | 746 | { |
8a3fe4f8 | 747 | warning (_("Couldn't read NT_AUXV note in core file.")); |
2ed4b548 | 748 | return TARGET_XFER_E_IO; |
e2544d02 RM |
749 | } |
750 | ||
9b409511 YQ |
751 | *xfered_len = (ULONGEST) size; |
752 | return TARGET_XFER_OK; | |
e2544d02 | 753 | } |
2ed4b548 | 754 | return TARGET_XFER_E_IO; |
e2544d02 | 755 | |
403e1656 MK |
756 | case TARGET_OBJECT_WCOOKIE: |
757 | if (readbuf) | |
758 | { | |
759 | /* When the StackGhost cookie is stored in core file, BFD | |
aff410f1 MS |
760 | represents this with a fake section called |
761 | ".wcookie". */ | |
403e1656 MK |
762 | |
763 | struct bfd_section *section; | |
764 | bfd_size_type size; | |
403e1656 MK |
765 | |
766 | section = bfd_get_section_by_name (core_bfd, ".wcookie"); | |
767 | if (section == NULL) | |
2ed4b548 | 768 | return TARGET_XFER_E_IO; |
403e1656 MK |
769 | |
770 | size = bfd_section_size (core_bfd, section); | |
771 | if (offset >= size) | |
96c4f946 | 772 | return TARGET_XFER_EOF; |
403e1656 MK |
773 | size -= offset; |
774 | if (size > len) | |
775 | size = len; | |
9b409511 YQ |
776 | |
777 | if (size == 0) | |
778 | return TARGET_XFER_EOF; | |
779 | if (!bfd_get_section_contents (core_bfd, section, readbuf, | |
780 | (file_ptr) offset, size)) | |
403e1656 | 781 | { |
8a3fe4f8 | 782 | warning (_("Couldn't read StackGhost cookie in core file.")); |
2ed4b548 | 783 | return TARGET_XFER_E_IO; |
403e1656 MK |
784 | } |
785 | ||
9b409511 YQ |
786 | *xfered_len = (ULONGEST) size; |
787 | return TARGET_XFER_OK; | |
788 | ||
403e1656 | 789 | } |
2ed4b548 | 790 | return TARGET_XFER_E_IO; |
403e1656 | 791 | |
de584861 PA |
792 | case TARGET_OBJECT_LIBRARIES: |
793 | if (core_gdbarch | |
794 | && gdbarch_core_xfer_shared_libraries_p (core_gdbarch)) | |
795 | { | |
796 | if (writebuf) | |
2ed4b548 | 797 | return TARGET_XFER_E_IO; |
9b409511 YQ |
798 | else |
799 | { | |
800 | *xfered_len = gdbarch_core_xfer_shared_libraries (core_gdbarch, | |
801 | readbuf, | |
802 | offset, len); | |
803 | ||
804 | if (*xfered_len == 0) | |
805 | return TARGET_XFER_EOF; | |
806 | else | |
807 | return TARGET_XFER_OK; | |
808 | } | |
de584861 PA |
809 | } |
810 | /* FALL THROUGH */ | |
811 | ||
356a5233 JB |
812 | case TARGET_OBJECT_LIBRARIES_AIX: |
813 | if (core_gdbarch | |
814 | && gdbarch_core_xfer_shared_libraries_aix_p (core_gdbarch)) | |
815 | { | |
816 | if (writebuf) | |
2ed4b548 | 817 | return TARGET_XFER_E_IO; |
9b409511 YQ |
818 | else |
819 | { | |
820 | *xfered_len | |
821 | = gdbarch_core_xfer_shared_libraries_aix (core_gdbarch, | |
822 | readbuf, offset, | |
823 | len); | |
824 | ||
825 | if (*xfered_len == 0) | |
826 | return TARGET_XFER_EOF; | |
827 | else | |
828 | return TARGET_XFER_OK; | |
829 | } | |
356a5233 JB |
830 | } |
831 | /* FALL THROUGH */ | |
832 | ||
efcbbd14 UW |
833 | case TARGET_OBJECT_SPU: |
834 | if (readbuf && annex) | |
835 | { | |
836 | /* When the SPU contexts are stored in a core file, BFD | |
aff410f1 MS |
837 | represents this with a fake section called |
838 | "SPU/<annex>". */ | |
efcbbd14 UW |
839 | |
840 | struct bfd_section *section; | |
841 | bfd_size_type size; | |
efcbbd14 | 842 | char sectionstr[100]; |
c5504eaf | 843 | |
efcbbd14 UW |
844 | xsnprintf (sectionstr, sizeof sectionstr, "SPU/%s", annex); |
845 | ||
846 | section = bfd_get_section_by_name (core_bfd, sectionstr); | |
847 | if (section == NULL) | |
2ed4b548 | 848 | return TARGET_XFER_E_IO; |
efcbbd14 UW |
849 | |
850 | size = bfd_section_size (core_bfd, section); | |
851 | if (offset >= size) | |
9b409511 | 852 | return TARGET_XFER_EOF; |
efcbbd14 UW |
853 | size -= offset; |
854 | if (size > len) | |
855 | size = len; | |
9b409511 YQ |
856 | |
857 | if (size == 0) | |
858 | return TARGET_XFER_EOF; | |
859 | if (!bfd_get_section_contents (core_bfd, section, readbuf, | |
860 | (file_ptr) offset, size)) | |
efcbbd14 UW |
861 | { |
862 | warning (_("Couldn't read SPU section in core file.")); | |
2ed4b548 | 863 | return TARGET_XFER_E_IO; |
efcbbd14 UW |
864 | } |
865 | ||
9b409511 YQ |
866 | *xfered_len = (ULONGEST) size; |
867 | return TARGET_XFER_OK; | |
efcbbd14 UW |
868 | } |
869 | else if (readbuf) | |
870 | { | |
871 | /* NULL annex requests list of all present spuids. */ | |
872 | struct spuid_list list; | |
c5504eaf | 873 | |
efcbbd14 UW |
874 | list.buf = readbuf; |
875 | list.offset = offset; | |
876 | list.len = len; | |
877 | list.pos = 0; | |
878 | list.written = 0; | |
879 | bfd_map_over_sections (core_bfd, add_to_spuid_list, &list); | |
9b409511 YQ |
880 | |
881 | if (list.written == 0) | |
882 | return TARGET_XFER_EOF; | |
883 | else | |
884 | { | |
885 | *xfered_len = (ULONGEST) list.written; | |
886 | return TARGET_XFER_OK; | |
887 | } | |
efcbbd14 | 888 | } |
2ed4b548 | 889 | return TARGET_XFER_E_IO; |
efcbbd14 | 890 | |
9015683b TT |
891 | case TARGET_OBJECT_SIGNAL_INFO: |
892 | if (readbuf) | |
9b409511 YQ |
893 | { |
894 | LONGEST l = get_core_siginfo (core_bfd, readbuf, offset, len); | |
895 | ||
896 | if (l > 0) | |
897 | { | |
898 | *xfered_len = len; | |
899 | return TARGET_XFER_OK; | |
900 | } | |
901 | } | |
2ed4b548 | 902 | return TARGET_XFER_E_IO; |
9015683b | 903 | |
e2544d02 | 904 | default: |
e75fdfca TT |
905 | return ops->beneath->to_xfer_partial (ops->beneath, object, |
906 | annex, readbuf, | |
907 | writebuf, offset, len, | |
908 | xfered_len); | |
e2544d02 RM |
909 | } |
910 | } | |
911 | ||
c906108c SS |
912 | \f |
913 | /* If mourn is being called in all the right places, this could be say | |
aff410f1 MS |
914 | `gdb internal error' (since generic_mourn calls |
915 | breakpoint_init_inferior). */ | |
c906108c SS |
916 | |
917 | static int | |
3db08215 MM |
918 | ignore (struct target_ops *ops, struct gdbarch *gdbarch, |
919 | struct bp_target_info *bp_tgt) | |
c906108c SS |
920 | { |
921 | return 0; | |
922 | } | |
923 | ||
73971819 PA |
924 | /* Implement the to_remove_breakpoint method. */ |
925 | ||
926 | static int | |
927 | core_remove_breakpoint (struct target_ops *ops, struct gdbarch *gdbarch, | |
928 | struct bp_target_info *bp_tgt, | |
929 | enum remove_bp_reason reason) | |
930 | { | |
931 | return 0; | |
932 | } | |
933 | ||
c906108c SS |
934 | |
935 | /* Okay, let's be honest: threads gleaned from a core file aren't | |
936 | exactly lively, are they? On the other hand, if we don't claim | |
937 | that each & every one is alive, then we don't get any of them | |
938 | to appear in an "info thread" command, which is quite a useful | |
939 | behaviour. | |
c5aa993b | 940 | */ |
c906108c | 941 | static int |
28439f5e | 942 | core_thread_alive (struct target_ops *ops, ptid_t ptid) |
c906108c SS |
943 | { |
944 | return 1; | |
945 | } | |
946 | ||
4eb0ad19 DJ |
947 | /* Ask the current architecture what it knows about this core file. |
948 | That will be used, in turn, to pick a better architecture. This | |
949 | wrapper could be avoided if targets got a chance to specialize | |
950 | core_ops. */ | |
951 | ||
952 | static const struct target_desc * | |
953 | core_read_description (struct target_ops *target) | |
954 | { | |
a78c2d62 | 955 | if (core_gdbarch && gdbarch_core_read_description_p (core_gdbarch)) |
2117c711 TT |
956 | { |
957 | const struct target_desc *result; | |
958 | ||
959 | result = gdbarch_core_read_description (core_gdbarch, | |
960 | target, core_bfd); | |
961 | if (result != NULL) | |
962 | return result; | |
963 | } | |
4eb0ad19 | 964 | |
2117c711 | 965 | return target->beneath->to_read_description (target->beneath); |
4eb0ad19 DJ |
966 | } |
967 | ||
0de3b513 | 968 | static char * |
117de6a9 | 969 | core_pid_to_str (struct target_ops *ops, ptid_t ptid) |
0de3b513 PA |
970 | { |
971 | static char buf[64]; | |
88f38a04 | 972 | struct inferior *inf; |
a5ee0f0c | 973 | int pid; |
0de3b513 | 974 | |
a5ee0f0c PA |
975 | /* The preferred way is to have a gdbarch/OS specific |
976 | implementation. */ | |
28439f5e PA |
977 | if (core_gdbarch |
978 | && gdbarch_core_pid_to_str_p (core_gdbarch)) | |
a5ee0f0c | 979 | return gdbarch_core_pid_to_str (core_gdbarch, ptid); |
c5504eaf | 980 | |
a5ee0f0c PA |
981 | /* Otherwise, if we don't have one, we'll just fallback to |
982 | "process", with normal_pid_to_str. */ | |
28439f5e | 983 | |
a5ee0f0c PA |
984 | /* Try the LWPID field first. */ |
985 | pid = ptid_get_lwp (ptid); | |
986 | if (pid != 0) | |
987 | return normal_pid_to_str (pid_to_ptid (pid)); | |
988 | ||
989 | /* Otherwise, this isn't a "threaded" core -- use the PID field, but | |
990 | only if it isn't a fake PID. */ | |
c9657e70 | 991 | inf = find_inferior_ptid (ptid); |
88f38a04 | 992 | if (inf != NULL && !inf->fake_pid_p) |
a5ee0f0c | 993 | return normal_pid_to_str (ptid); |
0de3b513 | 994 | |
a5ee0f0c PA |
995 | /* No luck. We simply don't have a valid PID to print. */ |
996 | xsnprintf (buf, sizeof buf, "<main task>"); | |
0de3b513 PA |
997 | return buf; |
998 | } | |
999 | ||
4dfc5dbc JB |
1000 | static const char * |
1001 | core_thread_name (struct target_ops *self, struct thread_info *thr) | |
1002 | { | |
1003 | if (core_gdbarch | |
1004 | && gdbarch_core_thread_name_p (core_gdbarch)) | |
1005 | return gdbarch_core_thread_name (core_gdbarch, thr); | |
1006 | return NULL; | |
1007 | } | |
1008 | ||
c35b1492 PA |
1009 | static int |
1010 | core_has_memory (struct target_ops *ops) | |
1011 | { | |
1012 | return (core_bfd != NULL); | |
1013 | } | |
1014 | ||
1015 | static int | |
1016 | core_has_stack (struct target_ops *ops) | |
1017 | { | |
1018 | return (core_bfd != NULL); | |
1019 | } | |
1020 | ||
1021 | static int | |
1022 | core_has_registers (struct target_ops *ops) | |
1023 | { | |
1024 | return (core_bfd != NULL); | |
1025 | } | |
1026 | ||
451b7c33 TT |
1027 | /* Implement the to_info_proc method. */ |
1028 | ||
1029 | static void | |
7bc112c1 TT |
1030 | core_info_proc (struct target_ops *ops, const char *args, |
1031 | enum info_proc_what request) | |
451b7c33 TT |
1032 | { |
1033 | struct gdbarch *gdbarch = get_current_arch (); | |
1034 | ||
1035 | /* Since this is the core file target, call the 'core_info_proc' | |
1036 | method on gdbarch, not 'info_proc'. */ | |
1037 | if (gdbarch_core_info_proc_p (gdbarch)) | |
1038 | gdbarch_core_info_proc (gdbarch, args, request); | |
1039 | } | |
1040 | ||
c906108c SS |
1041 | /* Fill in core_ops with its defined operations and properties. */ |
1042 | ||
1043 | static void | |
fba45db2 | 1044 | init_core_ops (void) |
c906108c SS |
1045 | { |
1046 | core_ops.to_shortname = "core"; | |
1047 | core_ops.to_longname = "Local core dump file"; | |
1048 | core_ops.to_doc = | |
1049 | "Use a core file as a target. Specify the filename of the core file."; | |
1050 | core_ops.to_open = core_open; | |
1051 | core_ops.to_close = core_close; | |
c906108c | 1052 | core_ops.to_detach = core_detach; |
c906108c | 1053 | core_ops.to_fetch_registers = get_core_registers; |
e2544d02 | 1054 | core_ops.to_xfer_partial = core_xfer_partial; |
c906108c SS |
1055 | core_ops.to_files_info = core_files_info; |
1056 | core_ops.to_insert_breakpoint = ignore; | |
73971819 | 1057 | core_ops.to_remove_breakpoint = core_remove_breakpoint; |
28439f5e | 1058 | core_ops.to_thread_alive = core_thread_alive; |
4eb0ad19 | 1059 | core_ops.to_read_description = core_read_description; |
0de3b513 | 1060 | core_ops.to_pid_to_str = core_pid_to_str; |
4dfc5dbc | 1061 | core_ops.to_thread_name = core_thread_name; |
c0edd9ed | 1062 | core_ops.to_stratum = process_stratum; |
c35b1492 PA |
1063 | core_ops.to_has_memory = core_has_memory; |
1064 | core_ops.to_has_stack = core_has_stack; | |
1065 | core_ops.to_has_registers = core_has_registers; | |
451b7c33 | 1066 | core_ops.to_info_proc = core_info_proc; |
c5aa993b | 1067 | core_ops.to_magic = OPS_MAGIC; |
c0edd9ed JK |
1068 | |
1069 | if (core_target) | |
1070 | internal_error (__FILE__, __LINE__, | |
1071 | _("init_core_ops: core target already exists (\"%s\")."), | |
1072 | core_target->to_longname); | |
1073 | core_target = &core_ops; | |
c906108c SS |
1074 | } |
1075 | ||
c906108c | 1076 | void |
fba45db2 | 1077 | _initialize_corelow (void) |
c906108c SS |
1078 | { |
1079 | init_core_ops (); | |
1080 | ||
9852c492 | 1081 | add_target_with_completer (&core_ops, filename_completer); |
c906108c | 1082 | } |