Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Core dump and executable file functions below target vector, for GDB. |
4646aa9d | 2 | |
b811d2c2 | 3 | Copyright (C) 1986-2020 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" | |
d55e5aa6 | 21 | #include "arch-utils.h" |
4de283e4 TT |
22 | #include <signal.h> |
23 | #include <fcntl.h> | |
24 | #include "frame.h" /* required by inferior.h */ | |
d55e5aa6 TT |
25 | #include "inferior.h" |
26 | #include "infrun.h" | |
4de283e4 TT |
27 | #include "symtab.h" |
28 | #include "command.h" | |
29 | #include "bfd.h" | |
30 | #include "target.h" | |
d55e5aa6 | 31 | #include "process-stratum-target.h" |
4de283e4 TT |
32 | #include "gdbcore.h" |
33 | #include "gdbthread.h" | |
4e052eda | 34 | #include "regcache.h" |
0e24ac5d | 35 | #include "regset.h" |
d55e5aa6 | 36 | #include "symfile.h" |
4de283e4 | 37 | #include "exec.h" |
e0eac551 | 38 | #include "readline/tilde.h" |
4de283e4 | 39 | #include "solib.h" |
db082f59 | 40 | #include "solist.h" |
4de283e4 TT |
41 | #include "filenames.h" |
42 | #include "progspace.h" | |
43 | #include "objfiles.h" | |
44 | #include "gdb_bfd.h" | |
45 | #include "completer.h" | |
268a13a5 | 46 | #include "gdbsupport/filestuff.h" |
aa2d5a42 | 47 | #include "build-id.h" |
ff8577f6 | 48 | #include "gdbsupport/pathstuff.h" |
db082f59 | 49 | #include <unordered_map> |
8e860359 | 50 | |
ee28ca0f AC |
51 | #ifndef O_LARGEFILE |
52 | #define O_LARGEFILE 0 | |
53 | #endif | |
54 | ||
f6ac5f3d PA |
55 | /* The core file target. */ |
56 | ||
d9f719f1 PA |
57 | static const target_info core_target_info = { |
58 | "core", | |
59 | N_("Local core dump file"), | |
590042fc PW |
60 | N_("Use a core file as a target.\n\ |
61 | Specify the filename of the core file.") | |
d9f719f1 PA |
62 | }; |
63 | ||
3b3dac9b | 64 | class core_target final : public process_stratum_target |
f6ac5f3d PA |
65 | { |
66 | public: | |
15244507 PA |
67 | core_target (); |
68 | ~core_target () override; | |
f6ac5f3d | 69 | |
d9f719f1 PA |
70 | const target_info &info () const override |
71 | { return core_target_info; } | |
f6ac5f3d | 72 | |
f6ac5f3d PA |
73 | void close () override; |
74 | void detach (inferior *, int) override; | |
75 | void fetch_registers (struct regcache *, int) override; | |
76 | ||
77 | enum target_xfer_status xfer_partial (enum target_object object, | |
78 | const char *annex, | |
79 | gdb_byte *readbuf, | |
80 | const gdb_byte *writebuf, | |
81 | ULONGEST offset, ULONGEST len, | |
82 | ULONGEST *xfered_len) override; | |
83 | void files_info () override; | |
84 | ||
57810aa7 | 85 | bool thread_alive (ptid_t ptid) override; |
f6ac5f3d PA |
86 | const struct target_desc *read_description () override; |
87 | ||
a068643d | 88 | std::string pid_to_str (ptid_t) override; |
f6ac5f3d PA |
89 | |
90 | const char *thread_name (struct thread_info *) override; | |
91 | ||
2735d421 | 92 | bool has_all_memory () override { return true; } |
57810aa7 PA |
93 | bool has_memory () override; |
94 | bool has_stack () override; | |
95 | bool has_registers () override; | |
5018ce90 | 96 | bool has_execution (inferior *inf) override { return false; } |
f3d11a9a | 97 | |
f6ac5f3d | 98 | bool info_proc (const char *, enum info_proc_what) override; |
f6ac5f3d | 99 | |
15244507 PA |
100 | /* A few helpers. */ |
101 | ||
102 | /* Getter, see variable definition. */ | |
103 | struct gdbarch *core_gdbarch () | |
104 | { | |
105 | return m_core_gdbarch; | |
106 | } | |
107 | ||
108 | /* See definition. */ | |
109 | void get_core_register_section (struct regcache *regcache, | |
110 | const struct regset *regset, | |
111 | const char *name, | |
dbd534fe | 112 | int section_min_size, |
15244507 PA |
113 | const char *human_name, |
114 | bool required); | |
115 | ||
116 | private: /* per-core data */ | |
117 | ||
118 | /* The core's section table. Note that these target sections are | |
119 | *not* mapped in the current address spaces' set of target | |
120 | sections --- those should come only from pure executable or | |
121 | shared library bfds. The core bfd sections are an implementation | |
122 | detail of the core target, just like ptrace is for unix child | |
123 | targets. */ | |
124 | target_section_table m_core_section_table {}; | |
125 | ||
db082f59 KB |
126 | /* File-backed address space mappings: some core files include |
127 | information about memory mapped files. */ | |
128 | target_section_table m_core_file_mappings {}; | |
129 | ||
130 | /* Build m_core_file_mappings. Called from the constructor. */ | |
131 | void build_file_mappings (); | |
132 | ||
15244507 PA |
133 | /* FIXME: kettenis/20031023: Eventually this field should |
134 | disappear. */ | |
135 | struct gdbarch *m_core_gdbarch = NULL; | |
136 | }; | |
c906108c | 137 | |
15244507 PA |
138 | core_target::core_target () |
139 | { | |
15244507 | 140 | m_core_gdbarch = gdbarch_from_bfd (core_bfd); |
2acceee2 | 141 | |
6ba0a321 CB |
142 | if (!m_core_gdbarch |
143 | || !gdbarch_iterate_over_regset_sections_p (m_core_gdbarch)) | |
144 | error (_("\"%s\": Core file format not supported"), | |
145 | bfd_get_filename (core_bfd)); | |
2acceee2 | 146 | |
15244507 PA |
147 | /* Find the data section */ |
148 | if (build_section_table (core_bfd, | |
149 | &m_core_section_table.sections, | |
150 | &m_core_section_table.sections_end)) | |
151 | error (_("\"%s\": Can't find sections: %s"), | |
152 | bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ())); | |
db082f59 KB |
153 | |
154 | build_file_mappings (); | |
15244507 | 155 | } |
0e24ac5d | 156 | |
15244507 PA |
157 | core_target::~core_target () |
158 | { | |
159 | xfree (m_core_section_table.sections); | |
db082f59 KB |
160 | xfree (m_core_file_mappings.sections); |
161 | } | |
162 | ||
163 | /* Construct the target_section_table for file-backed mappings if | |
164 | they exist. | |
165 | ||
166 | For each unique path in the note, we'll open a BFD with a bfd | |
167 | target of "binary". This is an unstructured bfd target upon which | |
168 | we'll impose a structure from the mappings in the architecture-specific | |
169 | mappings note. A BFD section is allocated and initialized for each | |
170 | file-backed mapping. | |
171 | ||
172 | We take care to not share already open bfds with other parts of | |
173 | GDB; in particular, we don't want to add new sections to existing | |
174 | BFDs. We do, however, ensure that the BFDs that we allocate here | |
175 | will go away (be deallocated) when the core target is detached. */ | |
176 | ||
177 | void | |
178 | core_target::build_file_mappings () | |
179 | { | |
180 | std::unordered_map<std::string, struct bfd *> bfd_map; | |
181 | ||
182 | /* See linux_read_core_file_mappings() in linux-tdep.c for an example | |
183 | read_core_file_mappings method. */ | |
184 | gdbarch_read_core_file_mappings (m_core_gdbarch, core_bfd, | |
185 | ||
186 | /* After determining the number of mappings, read_core_file_mappings | |
187 | will invoke this lambda which allocates target_section storage for | |
188 | the mappings. */ | |
189 | [&] (ULONGEST count) | |
190 | { | |
191 | m_core_file_mappings.sections = XNEWVEC (struct target_section, count); | |
192 | m_core_file_mappings.sections_end = m_core_file_mappings.sections; | |
193 | }, | |
194 | ||
195 | /* read_core_file_mappings will invoke this lambda for each mapping | |
196 | that it finds. */ | |
197 | [&] (int num, ULONGEST start, ULONGEST end, ULONGEST file_ofs, | |
198 | const char *filename, const void *other) | |
199 | { | |
200 | /* Architecture-specific read_core_mapping methods are expected to | |
201 | weed out non-file-backed mappings. */ | |
202 | gdb_assert (filename != nullptr); | |
203 | ||
204 | struct bfd *bfd = bfd_map[filename]; | |
205 | if (bfd == nullptr) | |
206 | { | |
207 | /* Use exec_file_find() to do sysroot expansion. It'll | |
208 | also strip the potential sysroot "target:" prefix. If | |
209 | there is no sysroot, an equivalent (possibly more | |
210 | canonical) pathname will be provided. */ | |
211 | gdb::unique_xmalloc_ptr<char> expanded_fname | |
212 | = exec_file_find (filename, NULL); | |
213 | if (expanded_fname == nullptr) | |
214 | { | |
215 | warning (_("Can't open file %s during file-backed mapping " | |
216 | "note processing"), | |
217 | expanded_fname.get ()); | |
218 | return; | |
219 | } | |
220 | ||
221 | bfd = bfd_map[filename] = bfd_openr (expanded_fname.get (), | |
222 | "binary"); | |
223 | ||
224 | if (bfd == nullptr || !bfd_check_format (bfd, bfd_object)) | |
225 | { | |
226 | /* If we get here, there's a good chance that it's due to | |
227 | an internal error. We issue a warning instead of an | |
228 | internal error because of the possibility that the | |
229 | file was removed in between checking for its | |
230 | existence during the expansion in exec_file_find() | |
231 | and the calls to bfd_openr() / bfd_check_format(). | |
232 | Output both the path from the core file note along | |
233 | with its expansion to make debugging this problem | |
234 | easier. */ | |
235 | warning (_("Can't open file %s which was expanded to %s " | |
236 | "during file-backed mapping note processing"), | |
237 | filename, expanded_fname.get ()); | |
238 | if (bfd != nullptr) | |
239 | bfd_close (bfd); | |
240 | return; | |
241 | } | |
242 | /* Ensure that the bfd will be closed when core_bfd is closed. | |
243 | This can be checked before/after a core file detach via | |
244 | "maint info bfds". */ | |
245 | gdb_bfd_record_inclusion (core_bfd, bfd); | |
246 | } | |
247 | ||
248 | /* Make new BFD section. All sections have the same name, | |
249 | which is permitted by bfd_make_section_anyway(). */ | |
250 | asection *sec = bfd_make_section_anyway (bfd, "load"); | |
251 | if (sec == nullptr) | |
252 | error (_("Can't make section")); | |
253 | sec->filepos = file_ofs; | |
254 | bfd_set_section_flags (sec, SEC_READONLY | SEC_HAS_CONTENTS); | |
255 | bfd_set_section_size (sec, end - start); | |
256 | bfd_set_section_vma (sec, start); | |
257 | bfd_set_section_lma (sec, start); | |
258 | bfd_set_section_alignment (sec, 2); | |
259 | ||
260 | /* Set target_section fields. */ | |
261 | struct target_section *ts = m_core_file_mappings.sections_end++; | |
262 | ts->addr = start; | |
263 | ts->endaddr = end; | |
264 | ts->owner = nullptr; | |
265 | ts->the_bfd_section = sec; | |
266 | }); | |
15244507 | 267 | } |
0e24ac5d | 268 | |
4efb68b1 | 269 | static void add_to_thread_list (bfd *, asection *, void *); |
c906108c | 270 | |
7f9f62ba PA |
271 | /* An arbitrary identifier for the core inferior. */ |
272 | #define CORELOW_PID 1 | |
273 | ||
15244507 | 274 | /* Close the core target. */ |
c906108c | 275 | |
15244507 PA |
276 | void |
277 | core_target::close () | |
c906108c | 278 | { |
c906108c SS |
279 | if (core_bfd) |
280 | { | |
60db1b85 PA |
281 | switch_to_no_thread (); /* Avoid confusion from thread |
282 | stuff. */ | |
00431a78 | 283 | exit_inferior_silent (current_inferior ()); |
c906108c | 284 | |
aff410f1 MS |
285 | /* Clear out solib state while the bfd is still open. See |
286 | comments in clear_solib in solib.c. */ | |
a77053c2 | 287 | clear_solib (); |
7a292a7a | 288 | |
06333fea | 289 | current_program_space->cbfd.reset (nullptr); |
c906108c | 290 | } |
c906108c | 291 | |
15244507 PA |
292 | /* Core targets are heap-allocated (see core_target_open), so here |
293 | we delete ourselves. */ | |
294 | delete this; | |
74b7792f AC |
295 | } |
296 | ||
aff410f1 MS |
297 | /* Look for sections whose names start with `.reg/' so that we can |
298 | extract the list of threads in a core file. */ | |
c906108c SS |
299 | |
300 | static void | |
4efb68b1 | 301 | add_to_thread_list (bfd *abfd, asection *asect, void *reg_sect_arg) |
c906108c | 302 | { |
3cdd9356 PA |
303 | int core_tid; |
304 | int pid, lwpid; | |
c906108c | 305 | asection *reg_sect = (asection *) reg_sect_arg; |
9ab8741a | 306 | bool fake_pid_p = false; |
88f38a04 | 307 | struct inferior *inf; |
c906108c | 308 | |
fd361982 | 309 | if (!startswith (bfd_section_name (asect), ".reg/")) |
c906108c SS |
310 | return; |
311 | ||
fd361982 | 312 | core_tid = atoi (bfd_section_name (asect) + 5); |
c906108c | 313 | |
261b8d08 PA |
314 | pid = bfd_core_file_pid (core_bfd); |
315 | if (pid == 0) | |
3cdd9356 | 316 | { |
9ab8741a | 317 | fake_pid_p = true; |
3cdd9356 | 318 | pid = CORELOW_PID; |
3cdd9356 | 319 | } |
0de3b513 | 320 | |
261b8d08 PA |
321 | lwpid = core_tid; |
322 | ||
88f38a04 PA |
323 | inf = current_inferior (); |
324 | if (inf->pid == 0) | |
325 | { | |
326 | inferior_appeared (inf, pid); | |
327 | inf->fake_pid_p = fake_pid_p; | |
328 | } | |
3cdd9356 | 329 | |
60db1b85 | 330 | ptid_t ptid (pid, lwpid); |
3cdd9356 | 331 | |
60db1b85 | 332 | thread_info *thr = add_thread (inf->process_target (), ptid); |
c906108c SS |
333 | |
334 | /* Warning, Will Robinson, looking at BFD private data! */ | |
335 | ||
336 | if (reg_sect != NULL | |
aff410f1 | 337 | && asect->filepos == reg_sect->filepos) /* Did we find .reg? */ |
60db1b85 | 338 | switch_to_thread (thr); /* Yes, make it current. */ |
c906108c SS |
339 | } |
340 | ||
451953fa PA |
341 | /* Issue a message saying we have no core to debug, if FROM_TTY. */ |
342 | ||
343 | static void | |
344 | maybe_say_no_core_file_now (int from_tty) | |
345 | { | |
346 | if (from_tty) | |
347 | printf_filtered (_("No core file now.\n")); | |
348 | } | |
349 | ||
30baf67b | 350 | /* Backward compatibility with old way of specifying core files. */ |
451953fa PA |
351 | |
352 | void | |
353 | core_file_command (const char *filename, int from_tty) | |
354 | { | |
355 | dont_repeat (); /* Either way, seems bogus. */ | |
356 | ||
357 | if (filename == NULL) | |
358 | { | |
359 | if (core_bfd != NULL) | |
360 | { | |
361 | target_detach (current_inferior (), from_tty); | |
362 | gdb_assert (core_bfd == NULL); | |
363 | } | |
364 | else | |
365 | maybe_say_no_core_file_now (from_tty); | |
366 | } | |
367 | else | |
368 | core_target_open (filename, from_tty); | |
369 | } | |
370 | ||
aa2d5a42 KS |
371 | /* Locate (and load) an executable file (and symbols) given the core file |
372 | BFD ABFD. */ | |
373 | ||
374 | static void | |
375 | locate_exec_from_corefile_build_id (bfd *abfd, int from_tty) | |
376 | { | |
377 | const bfd_build_id *build_id = build_id_bfd_get (abfd); | |
378 | if (build_id == nullptr) | |
379 | return; | |
380 | ||
381 | gdb_bfd_ref_ptr execbfd | |
382 | = build_id_to_exec_bfd (build_id->size, build_id->data); | |
383 | ||
384 | if (execbfd != nullptr) | |
385 | { | |
386 | exec_file_attach (bfd_get_filename (execbfd.get ()), from_tty); | |
387 | symbol_file_add_main (bfd_get_filename (execbfd.get ()), | |
388 | symfile_add_flag (from_tty ? SYMFILE_VERBOSE : 0)); | |
389 | } | |
390 | } | |
391 | ||
d9f719f1 | 392 | /* See gdbcore.h. */ |
c906108c | 393 | |
f6ac5f3d | 394 | void |
d9f719f1 | 395 | core_target_open (const char *arg, int from_tty) |
c906108c SS |
396 | { |
397 | const char *p; | |
398 | int siggy; | |
c906108c | 399 | int scratch_chan; |
ee28ca0f | 400 | int flags; |
c906108c SS |
401 | |
402 | target_preopen (from_tty); | |
014f9477 | 403 | if (!arg) |
c906108c | 404 | { |
8a3fe4f8 | 405 | if (core_bfd) |
3e43a32a MS |
406 | error (_("No core file specified. (Use `detach' " |
407 | "to stop debugging a core file.)")); | |
8a3fe4f8 AC |
408 | else |
409 | error (_("No core file specified.")); | |
c906108c SS |
410 | } |
411 | ||
ee0c3293 TT |
412 | gdb::unique_xmalloc_ptr<char> filename (tilde_expand (arg)); |
413 | if (!IS_ABSOLUTE_PATH (filename.get ())) | |
ff8577f6 | 414 | filename = gdb_abspath (filename.get ()); |
c906108c | 415 | |
ee28ca0f AC |
416 | flags = O_BINARY | O_LARGEFILE; |
417 | if (write_files) | |
418 | flags |= O_RDWR; | |
419 | else | |
420 | flags |= O_RDONLY; | |
ee0c3293 | 421 | scratch_chan = gdb_open_cloexec (filename.get (), flags, 0); |
c906108c | 422 | if (scratch_chan < 0) |
ee0c3293 | 423 | perror_with_name (filename.get ()); |
c906108c | 424 | |
ee0c3293 | 425 | gdb_bfd_ref_ptr temp_bfd (gdb_bfd_fopen (filename.get (), gnutarget, |
192b62ce TT |
426 | write_files ? FOPEN_RUB : FOPEN_RB, |
427 | scratch_chan)); | |
c906108c | 428 | if (temp_bfd == NULL) |
ee0c3293 | 429 | perror_with_name (filename.get ()); |
c906108c | 430 | |
6ba0a321 | 431 | if (!bfd_check_format (temp_bfd.get (), bfd_core)) |
c906108c SS |
432 | { |
433 | /* Do it after the err msg */ | |
aff410f1 MS |
434 | /* FIXME: should be checking for errors from bfd_close (for one |
435 | thing, on error it does not free all the storage associated | |
436 | with the bfd). */ | |
8a3fe4f8 | 437 | error (_("\"%s\" is not a core dump: %s"), |
ee0c3293 | 438 | filename.get (), bfd_errmsg (bfd_get_error ())); |
c906108c SS |
439 | } |
440 | ||
06333fea | 441 | current_program_space->cbfd = std::move (temp_bfd); |
c906108c | 442 | |
15244507 | 443 | core_target *target = new core_target (); |
0e24ac5d | 444 | |
15244507 PA |
445 | /* Own the target until it is successfully pushed. */ |
446 | target_ops_up target_holder (target); | |
2acceee2 | 447 | |
c906108c SS |
448 | validate_files (); |
449 | ||
2f1b5984 MK |
450 | /* If we have no exec file, try to set the architecture from the |
451 | core file. We don't do this unconditionally since an exec file | |
452 | typically contains more information that helps us determine the | |
453 | architecture than a core file. */ | |
454 | if (!exec_bfd) | |
455 | set_gdbarch_from_file (core_bfd); | |
cbda0a99 | 456 | |
dea57a62 | 457 | push_target (std::move (target_holder)); |
c906108c | 458 | |
60db1b85 | 459 | switch_to_no_thread (); |
0de3b513 | 460 | |
739fc47a PA |
461 | /* Need to flush the register cache (and the frame cache) from a |
462 | previous debug session. If inferior_ptid ends up the same as the | |
463 | last debug session --- e.g., b foo; run; gcore core1; step; gcore | |
464 | core2; core core1; core core2 --- then there's potential for | |
465 | get_current_regcache to return the cached regcache of the | |
466 | previous session, and the frame cache being stale. */ | |
467 | registers_changed (); | |
468 | ||
0de3b513 PA |
469 | /* Build up thread list from BFD sections, and possibly set the |
470 | current thread to the .reg/NN section matching the .reg | |
aff410f1 | 471 | section. */ |
0de3b513 PA |
472 | bfd_map_over_sections (core_bfd, add_to_thread_list, |
473 | bfd_get_section_by_name (core_bfd, ".reg")); | |
474 | ||
d7e15655 | 475 | if (inferior_ptid == null_ptid) |
3cdd9356 PA |
476 | { |
477 | /* Either we found no .reg/NN section, and hence we have a | |
478 | non-threaded core (single-threaded, from gdb's perspective), | |
479 | or for some reason add_to_thread_list couldn't determine | |
480 | which was the "main" thread. The latter case shouldn't | |
481 | usually happen, but we're dealing with input here, which can | |
482 | always be broken in different ways. */ | |
00431a78 | 483 | thread_info *thread = first_thread_of_inferior (current_inferior ()); |
c5504eaf | 484 | |
3cdd9356 PA |
485 | if (thread == NULL) |
486 | { | |
c45ceae0 | 487 | inferior_appeared (current_inferior (), CORELOW_PID); |
60db1b85 | 488 | thread = add_thread_silent (target, ptid_t (CORELOW_PID)); |
3cdd9356 | 489 | } |
60db1b85 PA |
490 | |
491 | switch_to_thread (thread); | |
3cdd9356 PA |
492 | } |
493 | ||
aa2d5a42 KS |
494 | if (exec_bfd == nullptr) |
495 | locate_exec_from_corefile_build_id (core_bfd, from_tty); | |
496 | ||
15244507 | 497 | post_create_inferior (target, from_tty); |
959b8724 | 498 | |
0de3b513 PA |
499 | /* Now go through the target stack looking for threads since there |
500 | may be a thread_stratum target loaded on top of target core by | |
501 | now. The layer above should claim threads found in the BFD | |
502 | sections. */ | |
a70b8144 | 503 | try |
8e7b59a5 | 504 | { |
e8032dde | 505 | target_update_thread_list (); |
8e7b59a5 KS |
506 | } |
507 | ||
230d2906 | 508 | catch (const gdb_exception_error &except) |
492d29ea PA |
509 | { |
510 | exception_print (gdb_stderr, except); | |
511 | } | |
0de3b513 | 512 | |
c906108c SS |
513 | p = bfd_core_file_failing_command (core_bfd); |
514 | if (p) | |
a3f17187 | 515 | printf_filtered (_("Core was generated by `%s'.\n"), p); |
c906108c | 516 | |
0c557179 SDJ |
517 | /* Clearing any previous state of convenience variables. */ |
518 | clear_exit_convenience_vars (); | |
519 | ||
c906108c SS |
520 | siggy = bfd_core_file_failing_signal (core_bfd); |
521 | if (siggy > 0) | |
423ec54c | 522 | { |
15244507 PA |
523 | gdbarch *core_gdbarch = target->core_gdbarch (); |
524 | ||
22203bbf | 525 | /* If we don't have a CORE_GDBARCH to work with, assume a native |
1f8cf220 PA |
526 | core (map gdb_signal from host signals). If we do have |
527 | CORE_GDBARCH to work with, but no gdb_signal_from_target | |
528 | implementation for that gdbarch, as a fallback measure, | |
529 | assume the host signal mapping. It'll be correct for native | |
530 | cores, but most likely incorrect for cross-cores. */ | |
2ea28649 | 531 | enum gdb_signal sig = (core_gdbarch != NULL |
1f8cf220 PA |
532 | && gdbarch_gdb_signal_from_target_p (core_gdbarch) |
533 | ? gdbarch_gdb_signal_from_target (core_gdbarch, | |
534 | siggy) | |
535 | : gdb_signal_from_host (siggy)); | |
423ec54c | 536 | |
ad97bfc5 | 537 | printf_filtered (_("Program terminated with signal %s, %s"), |
2d503272 | 538 | gdb_signal_to_name (sig), gdb_signal_to_string (sig)); |
ad97bfc5 JB |
539 | if (gdbarch_report_signal_info_p (core_gdbarch)) |
540 | gdbarch_report_signal_info (core_gdbarch, current_uiout, sig); | |
541 | printf_filtered (_(".\n")); | |
0c557179 SDJ |
542 | |
543 | /* Set the value of the internal variable $_exitsignal, | |
544 | which holds the signal uncaught by the inferior. */ | |
545 | set_internalvar_integer (lookup_internalvar ("_exitsignal"), | |
546 | siggy); | |
423ec54c | 547 | } |
c906108c | 548 | |
87ab71f0 PA |
549 | /* Fetch all registers from core file. */ |
550 | target_fetch_registers (get_current_regcache (), -1); | |
c906108c | 551 | |
87ab71f0 PA |
552 | /* Now, set up the frame cache, and print the top of stack. */ |
553 | reinit_frame_cache (); | |
08d72866 | 554 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1); |
f0e8c4c5 JK |
555 | |
556 | /* Current thread should be NUM 1 but the user does not know that. | |
557 | If a program is single threaded gdb in general does not mention | |
558 | anything about threads. That is why the test is >= 2. */ | |
5b6d1e4f | 559 | if (thread_count (target) >= 2) |
f0e8c4c5 | 560 | { |
a70b8144 | 561 | try |
f0e8c4c5 JK |
562 | { |
563 | thread_command (NULL, from_tty); | |
564 | } | |
230d2906 | 565 | catch (const gdb_exception_error &except) |
492d29ea PA |
566 | { |
567 | exception_print (gdb_stderr, except); | |
568 | } | |
f0e8c4c5 | 569 | } |
c906108c SS |
570 | } |
571 | ||
f6ac5f3d PA |
572 | void |
573 | core_target::detach (inferior *inf, int from_tty) | |
c906108c | 574 | { |
15244507 PA |
575 | /* Note that 'this' is dangling after this call. unpush_target |
576 | closes the target, and our close implementation deletes | |
577 | 'this'. */ | |
f6ac5f3d | 578 | unpush_target (this); |
15244507 | 579 | |
66452beb PW |
580 | /* Clear the register cache and the frame cache. */ |
581 | registers_changed (); | |
c906108c | 582 | reinit_frame_cache (); |
451953fa | 583 | maybe_say_no_core_file_now (from_tty); |
c906108c SS |
584 | } |
585 | ||
de57eccd | 586 | /* Try to retrieve registers from a section in core_bfd, and supply |
6ba0a321 | 587 | them to REGSET. |
de57eccd | 588 | |
11a33714 SM |
589 | If ptid's lwp member is zero, do the single-threaded |
590 | thing: look for a section named NAME. If ptid's lwp | |
0de3b513 PA |
591 | member is non-zero, do the multi-threaded thing: look for a section |
592 | named "NAME/LWP", where LWP is the shortest ASCII decimal | |
11a33714 | 593 | representation of ptid's lwp member. |
de57eccd JM |
594 | |
595 | HUMAN_NAME is a human-readable name for the kind of registers the | |
596 | NAME section contains, for use in error messages. | |
597 | ||
15244507 PA |
598 | If REQUIRED is true, print an error if the core file doesn't have a |
599 | section by the appropriate name. Otherwise, just do nothing. */ | |
de57eccd | 600 | |
15244507 PA |
601 | void |
602 | core_target::get_core_register_section (struct regcache *regcache, | |
603 | const struct regset *regset, | |
604 | const char *name, | |
dbd534fe | 605 | int section_min_size, |
15244507 PA |
606 | const char *human_name, |
607 | bool required) | |
de57eccd | 608 | { |
6ba0a321 CB |
609 | gdb_assert (regset != nullptr); |
610 | ||
7be0c536 | 611 | struct bfd_section *section; |
de57eccd | 612 | bfd_size_type size; |
6ba0a321 | 613 | bool variable_size_section = (regset->flags & REGSET_VARIABLE_SIZE); |
de57eccd | 614 | |
3c3ae77e | 615 | thread_section_name section_name (name, regcache->ptid ()); |
de57eccd | 616 | |
3c3ae77e | 617 | section = bfd_get_section_by_name (core_bfd, section_name.c_str ()); |
de57eccd JM |
618 | if (! section) |
619 | { | |
620 | if (required) | |
aff410f1 MS |
621 | warning (_("Couldn't find %s registers in core file."), |
622 | human_name); | |
de57eccd JM |
623 | return; |
624 | } | |
625 | ||
fd361982 | 626 | size = bfd_section_size (section); |
dbd534fe | 627 | if (size < section_min_size) |
8f0435f7 | 628 | { |
3c3ae77e PA |
629 | warning (_("Section `%s' in core file too small."), |
630 | section_name.c_str ()); | |
8f0435f7 AA |
631 | return; |
632 | } | |
dbd534fe | 633 | if (size != section_min_size && !variable_size_section) |
f962539a AA |
634 | { |
635 | warning (_("Unexpected size of section `%s' in core file."), | |
3c3ae77e | 636 | section_name.c_str ()); |
f962539a | 637 | } |
8f0435f7 | 638 | |
0cac9354 | 639 | gdb::byte_vector contents (size); |
d8b2f9e3 SM |
640 | if (!bfd_get_section_contents (core_bfd, section, contents.data (), |
641 | (file_ptr) 0, size)) | |
de57eccd | 642 | { |
8a3fe4f8 | 643 | warning (_("Couldn't read %s registers from `%s' section in core file."), |
3c3ae77e | 644 | human_name, section_name.c_str ()); |
de57eccd JM |
645 | return; |
646 | } | |
647 | ||
6ba0a321 | 648 | regset->supply_regset (regset, regcache, -1, contents.data (), size); |
de57eccd JM |
649 | } |
650 | ||
15244507 PA |
651 | /* Data passed to gdbarch_iterate_over_regset_sections's callback. */ |
652 | struct get_core_registers_cb_data | |
653 | { | |
654 | core_target *target; | |
655 | struct regcache *regcache; | |
656 | }; | |
657 | ||
5aa82d05 AA |
658 | /* Callback for get_core_registers that handles a single core file |
659 | register note section. */ | |
660 | ||
661 | static void | |
a616bb94 | 662 | get_core_registers_cb (const char *sect_name, int supply_size, int collect_size, |
8f0435f7 | 663 | const struct regset *regset, |
5aa82d05 AA |
664 | const char *human_name, void *cb_data) |
665 | { | |
6ba0a321 CB |
666 | gdb_assert (regset != nullptr); |
667 | ||
15244507 PA |
668 | auto *data = (get_core_registers_cb_data *) cb_data; |
669 | bool required = false; | |
6ba0a321 | 670 | bool variable_size_section = (regset->flags & REGSET_VARIABLE_SIZE); |
a616bb94 AH |
671 | |
672 | if (!variable_size_section) | |
673 | gdb_assert (supply_size == collect_size); | |
5aa82d05 AA |
674 | |
675 | if (strcmp (sect_name, ".reg") == 0) | |
8f0435f7 | 676 | { |
15244507 | 677 | required = true; |
8f0435f7 AA |
678 | if (human_name == NULL) |
679 | human_name = "general-purpose"; | |
680 | } | |
5aa82d05 | 681 | else if (strcmp (sect_name, ".reg2") == 0) |
8f0435f7 AA |
682 | { |
683 | if (human_name == NULL) | |
684 | human_name = "floating-point"; | |
685 | } | |
686 | ||
15244507 | 687 | data->target->get_core_register_section (data->regcache, regset, sect_name, |
6ba0a321 | 688 | supply_size, human_name, required); |
5aa82d05 | 689 | } |
de57eccd | 690 | |
c906108c SS |
691 | /* Get the registers out of a core file. This is the machine- |
692 | independent part. Fetch_core_registers is the machine-dependent | |
aff410f1 MS |
693 | part, typically implemented in the xm-file for each |
694 | architecture. */ | |
c906108c SS |
695 | |
696 | /* We just get all the registers, so we don't use regno. */ | |
697 | ||
f6ac5f3d PA |
698 | void |
699 | core_target::fetch_registers (struct regcache *regcache, int regno) | |
c906108c | 700 | { |
15244507 | 701 | if (!(m_core_gdbarch != nullptr |
6ba0a321 | 702 | && gdbarch_iterate_over_regset_sections_p (m_core_gdbarch))) |
c906108c SS |
703 | { |
704 | fprintf_filtered (gdb_stderr, | |
c5aa993b | 705 | "Can't fetch registers from this type of core file\n"); |
c906108c SS |
706 | return; |
707 | } | |
708 | ||
6ba0a321 CB |
709 | struct gdbarch *gdbarch = regcache->arch (); |
710 | get_core_registers_cb_data data = { this, regcache }; | |
711 | gdbarch_iterate_over_regset_sections (gdbarch, | |
712 | get_core_registers_cb, | |
713 | (void *) &data, NULL); | |
c906108c | 714 | |
ee99023e | 715 | /* Mark all registers not found in the core as unavailable. */ |
6ba0a321 | 716 | for (int i = 0; i < gdbarch_num_regs (regcache->arch ()); i++) |
0ec9f114 | 717 | if (regcache->get_register_status (i) == REG_UNKNOWN) |
73e1c03f | 718 | regcache->raw_supply (i, NULL); |
c906108c SS |
719 | } |
720 | ||
f6ac5f3d PA |
721 | void |
722 | core_target::files_info () | |
c906108c | 723 | { |
15244507 | 724 | print_section_info (&m_core_section_table, core_bfd); |
c906108c | 725 | } |
e2544d02 | 726 | \f |
f6ac5f3d PA |
727 | enum target_xfer_status |
728 | core_target::xfer_partial (enum target_object object, const char *annex, | |
729 | gdb_byte *readbuf, const gdb_byte *writebuf, | |
730 | ULONGEST offset, ULONGEST len, ULONGEST *xfered_len) | |
e2544d02 RM |
731 | { |
732 | switch (object) | |
733 | { | |
734 | case TARGET_OBJECT_MEMORY: | |
2735d421 KB |
735 | { |
736 | enum target_xfer_status xfer_status; | |
737 | ||
738 | /* Try accessing memory contents from core file data, | |
739 | restricting consideration to those sections for which | |
740 | the BFD section flag SEC_HAS_CONTENTS is set. */ | |
741 | auto has_contents_cb = [] (const struct target_section *s) | |
742 | { | |
743 | return ((s->the_bfd_section->flags & SEC_HAS_CONTENTS) != 0); | |
744 | }; | |
745 | xfer_status = section_table_xfer_memory_partial | |
746 | (readbuf, writebuf, | |
747 | offset, len, xfered_len, | |
748 | m_core_section_table.sections, | |
749 | m_core_section_table.sections_end, | |
750 | has_contents_cb); | |
751 | if (xfer_status == TARGET_XFER_OK) | |
752 | return TARGET_XFER_OK; | |
753 | ||
db082f59 KB |
754 | /* Check file backed mappings. If they're available, use |
755 | core file provided mappings (e.g. from .note.linuxcore.file | |
756 | or the like) as this should provide a more accurate | |
757 | result. If not, check the stratum beneath us, which should | |
758 | be the file stratum. */ | |
759 | if (m_core_file_mappings.sections != nullptr) | |
760 | xfer_status = section_table_xfer_memory_partial | |
761 | (readbuf, writebuf, | |
762 | offset, len, xfered_len, | |
763 | m_core_file_mappings.sections, | |
764 | m_core_file_mappings.sections_end); | |
765 | else | |
766 | xfer_status = this->beneath ()->xfer_partial (object, annex, readbuf, | |
767 | writebuf, offset, len, | |
768 | xfered_len); | |
2735d421 KB |
769 | if (xfer_status == TARGET_XFER_OK) |
770 | return TARGET_XFER_OK; | |
e2544d02 | 771 | |
2735d421 KB |
772 | /* Finally, attempt to access data in core file sections with |
773 | no contents. These will typically read as all zero. */ | |
774 | auto no_contents_cb = [&] (const struct target_section *s) | |
775 | { | |
776 | return !has_contents_cb (s); | |
777 | }; | |
778 | xfer_status = section_table_xfer_memory_partial | |
779 | (readbuf, writebuf, | |
780 | offset, len, xfered_len, | |
781 | m_core_section_table.sections, | |
782 | m_core_section_table.sections_end, | |
783 | no_contents_cb); | |
784 | ||
785 | return xfer_status; | |
786 | } | |
e2544d02 RM |
787 | case TARGET_OBJECT_AUXV: |
788 | if (readbuf) | |
789 | { | |
790 | /* When the aux vector is stored in core file, BFD | |
791 | represents this with a fake section called ".auxv". */ | |
792 | ||
c4c5b7ba | 793 | struct bfd_section *section; |
e2544d02 | 794 | bfd_size_type size; |
e2544d02 RM |
795 | |
796 | section = bfd_get_section_by_name (core_bfd, ".auxv"); | |
797 | if (section == NULL) | |
2ed4b548 | 798 | return TARGET_XFER_E_IO; |
e2544d02 | 799 | |
fd361982 | 800 | size = bfd_section_size (section); |
e2544d02 | 801 | if (offset >= size) |
9b409511 | 802 | return TARGET_XFER_EOF; |
e2544d02 RM |
803 | size -= offset; |
804 | if (size > len) | |
805 | size = len; | |
9b409511 YQ |
806 | |
807 | if (size == 0) | |
808 | return TARGET_XFER_EOF; | |
809 | if (!bfd_get_section_contents (core_bfd, section, readbuf, | |
810 | (file_ptr) offset, size)) | |
e2544d02 | 811 | { |
8a3fe4f8 | 812 | warning (_("Couldn't read NT_AUXV note in core file.")); |
2ed4b548 | 813 | return TARGET_XFER_E_IO; |
e2544d02 RM |
814 | } |
815 | ||
9b409511 YQ |
816 | *xfered_len = (ULONGEST) size; |
817 | return TARGET_XFER_OK; | |
e2544d02 | 818 | } |
2ed4b548 | 819 | return TARGET_XFER_E_IO; |
e2544d02 | 820 | |
403e1656 MK |
821 | case TARGET_OBJECT_WCOOKIE: |
822 | if (readbuf) | |
823 | { | |
824 | /* When the StackGhost cookie is stored in core file, BFD | |
aff410f1 MS |
825 | represents this with a fake section called |
826 | ".wcookie". */ | |
403e1656 MK |
827 | |
828 | struct bfd_section *section; | |
829 | bfd_size_type size; | |
403e1656 MK |
830 | |
831 | section = bfd_get_section_by_name (core_bfd, ".wcookie"); | |
832 | if (section == NULL) | |
2ed4b548 | 833 | return TARGET_XFER_E_IO; |
403e1656 | 834 | |
fd361982 | 835 | size = bfd_section_size (section); |
403e1656 | 836 | if (offset >= size) |
96c4f946 | 837 | return TARGET_XFER_EOF; |
403e1656 MK |
838 | size -= offset; |
839 | if (size > len) | |
840 | size = len; | |
9b409511 YQ |
841 | |
842 | if (size == 0) | |
843 | return TARGET_XFER_EOF; | |
844 | if (!bfd_get_section_contents (core_bfd, section, readbuf, | |
845 | (file_ptr) offset, size)) | |
403e1656 | 846 | { |
8a3fe4f8 | 847 | warning (_("Couldn't read StackGhost cookie in core file.")); |
2ed4b548 | 848 | return TARGET_XFER_E_IO; |
403e1656 MK |
849 | } |
850 | ||
9b409511 YQ |
851 | *xfered_len = (ULONGEST) size; |
852 | return TARGET_XFER_OK; | |
853 | ||
403e1656 | 854 | } |
2ed4b548 | 855 | return TARGET_XFER_E_IO; |
403e1656 | 856 | |
de584861 | 857 | case TARGET_OBJECT_LIBRARIES: |
15244507 PA |
858 | if (m_core_gdbarch != nullptr |
859 | && gdbarch_core_xfer_shared_libraries_p (m_core_gdbarch)) | |
de584861 PA |
860 | { |
861 | if (writebuf) | |
2ed4b548 | 862 | return TARGET_XFER_E_IO; |
9b409511 YQ |
863 | else |
864 | { | |
15244507 | 865 | *xfered_len = gdbarch_core_xfer_shared_libraries (m_core_gdbarch, |
9b409511 YQ |
866 | readbuf, |
867 | offset, len); | |
868 | ||
869 | if (*xfered_len == 0) | |
870 | return TARGET_XFER_EOF; | |
871 | else | |
872 | return TARGET_XFER_OK; | |
873 | } | |
de584861 PA |
874 | } |
875 | /* FALL THROUGH */ | |
876 | ||
356a5233 | 877 | case TARGET_OBJECT_LIBRARIES_AIX: |
15244507 PA |
878 | if (m_core_gdbarch != nullptr |
879 | && gdbarch_core_xfer_shared_libraries_aix_p (m_core_gdbarch)) | |
356a5233 JB |
880 | { |
881 | if (writebuf) | |
2ed4b548 | 882 | return TARGET_XFER_E_IO; |
9b409511 YQ |
883 | else |
884 | { | |
885 | *xfered_len | |
15244507 | 886 | = gdbarch_core_xfer_shared_libraries_aix (m_core_gdbarch, |
9b409511 YQ |
887 | readbuf, offset, |
888 | len); | |
889 | ||
890 | if (*xfered_len == 0) | |
891 | return TARGET_XFER_EOF; | |
892 | else | |
893 | return TARGET_XFER_OK; | |
894 | } | |
356a5233 JB |
895 | } |
896 | /* FALL THROUGH */ | |
897 | ||
9015683b TT |
898 | case TARGET_OBJECT_SIGNAL_INFO: |
899 | if (readbuf) | |
9b409511 | 900 | { |
15244507 PA |
901 | if (m_core_gdbarch != nullptr |
902 | && gdbarch_core_xfer_siginfo_p (m_core_gdbarch)) | |
9b409511 | 903 | { |
15244507 | 904 | LONGEST l = gdbarch_core_xfer_siginfo (m_core_gdbarch, readbuf, |
382b69bb JB |
905 | offset, len); |
906 | ||
907 | if (l >= 0) | |
908 | { | |
909 | *xfered_len = l; | |
910 | if (l == 0) | |
911 | return TARGET_XFER_EOF; | |
912 | else | |
913 | return TARGET_XFER_OK; | |
914 | } | |
9b409511 YQ |
915 | } |
916 | } | |
2ed4b548 | 917 | return TARGET_XFER_E_IO; |
9015683b | 918 | |
e2544d02 | 919 | default: |
b6a8c27b PA |
920 | return this->beneath ()->xfer_partial (object, annex, readbuf, |
921 | writebuf, offset, len, | |
922 | xfered_len); | |
e2544d02 RM |
923 | } |
924 | } | |
925 | ||
c906108c | 926 | \f |
c906108c SS |
927 | |
928 | /* Okay, let's be honest: threads gleaned from a core file aren't | |
929 | exactly lively, are they? On the other hand, if we don't claim | |
930 | that each & every one is alive, then we don't get any of them | |
931 | to appear in an "info thread" command, which is quite a useful | |
932 | behaviour. | |
c5aa993b | 933 | */ |
57810aa7 | 934 | bool |
f6ac5f3d | 935 | core_target::thread_alive (ptid_t ptid) |
c906108c | 936 | { |
57810aa7 | 937 | return true; |
c906108c SS |
938 | } |
939 | ||
4eb0ad19 DJ |
940 | /* Ask the current architecture what it knows about this core file. |
941 | That will be used, in turn, to pick a better architecture. This | |
942 | wrapper could be avoided if targets got a chance to specialize | |
15244507 | 943 | core_target. */ |
4eb0ad19 | 944 | |
f6ac5f3d PA |
945 | const struct target_desc * |
946 | core_target::read_description () | |
4eb0ad19 | 947 | { |
15244507 | 948 | if (m_core_gdbarch && gdbarch_core_read_description_p (m_core_gdbarch)) |
2117c711 TT |
949 | { |
950 | const struct target_desc *result; | |
951 | ||
15244507 | 952 | result = gdbarch_core_read_description (m_core_gdbarch, this, core_bfd); |
2117c711 TT |
953 | if (result != NULL) |
954 | return result; | |
955 | } | |
4eb0ad19 | 956 | |
b6a8c27b | 957 | return this->beneath ()->read_description (); |
4eb0ad19 DJ |
958 | } |
959 | ||
a068643d | 960 | std::string |
f6ac5f3d | 961 | core_target::pid_to_str (ptid_t ptid) |
0de3b513 | 962 | { |
88f38a04 | 963 | struct inferior *inf; |
a5ee0f0c | 964 | int pid; |
0de3b513 | 965 | |
a5ee0f0c PA |
966 | /* The preferred way is to have a gdbarch/OS specific |
967 | implementation. */ | |
15244507 PA |
968 | if (m_core_gdbarch != nullptr |
969 | && gdbarch_core_pid_to_str_p (m_core_gdbarch)) | |
970 | return gdbarch_core_pid_to_str (m_core_gdbarch, ptid); | |
c5504eaf | 971 | |
a5ee0f0c PA |
972 | /* Otherwise, if we don't have one, we'll just fallback to |
973 | "process", with normal_pid_to_str. */ | |
28439f5e | 974 | |
a5ee0f0c | 975 | /* Try the LWPID field first. */ |
e38504b3 | 976 | pid = ptid.lwp (); |
a5ee0f0c | 977 | if (pid != 0) |
f2907e49 | 978 | return normal_pid_to_str (ptid_t (pid)); |
a5ee0f0c PA |
979 | |
980 | /* Otherwise, this isn't a "threaded" core -- use the PID field, but | |
981 | only if it isn't a fake PID. */ | |
5b6d1e4f | 982 | inf = find_inferior_ptid (this, ptid); |
88f38a04 | 983 | if (inf != NULL && !inf->fake_pid_p) |
a5ee0f0c | 984 | return normal_pid_to_str (ptid); |
0de3b513 | 985 | |
a5ee0f0c | 986 | /* No luck. We simply don't have a valid PID to print. */ |
a068643d | 987 | return "<main task>"; |
0de3b513 PA |
988 | } |
989 | ||
f6ac5f3d PA |
990 | const char * |
991 | core_target::thread_name (struct thread_info *thr) | |
4dfc5dbc | 992 | { |
15244507 PA |
993 | if (m_core_gdbarch != nullptr |
994 | && gdbarch_core_thread_name_p (m_core_gdbarch)) | |
995 | return gdbarch_core_thread_name (m_core_gdbarch, thr); | |
4dfc5dbc JB |
996 | return NULL; |
997 | } | |
998 | ||
57810aa7 | 999 | bool |
f6ac5f3d | 1000 | core_target::has_memory () |
c35b1492 PA |
1001 | { |
1002 | return (core_bfd != NULL); | |
1003 | } | |
1004 | ||
57810aa7 | 1005 | bool |
f6ac5f3d | 1006 | core_target::has_stack () |
c35b1492 PA |
1007 | { |
1008 | return (core_bfd != NULL); | |
1009 | } | |
1010 | ||
57810aa7 | 1011 | bool |
f6ac5f3d | 1012 | core_target::has_registers () |
c35b1492 PA |
1013 | { |
1014 | return (core_bfd != NULL); | |
1015 | } | |
1016 | ||
451b7c33 TT |
1017 | /* Implement the to_info_proc method. */ |
1018 | ||
f6ac5f3d PA |
1019 | bool |
1020 | core_target::info_proc (const char *args, enum info_proc_what request) | |
451b7c33 TT |
1021 | { |
1022 | struct gdbarch *gdbarch = get_current_arch (); | |
1023 | ||
1024 | /* Since this is the core file target, call the 'core_info_proc' | |
1025 | method on gdbarch, not 'info_proc'. */ | |
1026 | if (gdbarch_core_info_proc_p (gdbarch)) | |
1027 | gdbarch_core_info_proc (gdbarch, args, request); | |
c906108c | 1028 | |
f6ac5f3d | 1029 | return true; |
c906108c SS |
1030 | } |
1031 | ||
6c265988 | 1032 | void _initialize_corelow (); |
c906108c | 1033 | void |
6c265988 | 1034 | _initialize_corelow () |
c906108c | 1035 | { |
d9f719f1 | 1036 | add_target (core_target_info, core_target_open, filename_completer); |
c906108c | 1037 | } |