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 | |
c0edd9ed | 91 | static struct target_ops core_ops; |
c906108c | 92 | |
7f9f62ba PA |
93 | /* An arbitrary identifier for the core inferior. */ |
94 | #define CORELOW_PID 1 | |
95 | ||
aff410f1 MS |
96 | /* Link a new core_fns into the global core_file_fns list. Called on |
97 | gdb startup by the _initialize routine in each core file register | |
b021a221 | 98 | reader, to register information about each format the reader is |
aff410f1 | 99 | prepared to handle. */ |
c906108c SS |
100 | |
101 | void | |
00e32a35 | 102 | deprecated_add_core_fns (struct core_fns *cf) |
c906108c | 103 | { |
c5aa993b | 104 | cf->next = core_file_fns; |
c906108c SS |
105 | core_file_fns = cf; |
106 | } | |
107 | ||
2acceee2 JM |
108 | /* The default function that core file handlers can use to examine a |
109 | core file BFD and decide whether or not to accept the job of | |
aff410f1 | 110 | reading the core file. */ |
2acceee2 JM |
111 | |
112 | int | |
fba45db2 | 113 | default_core_sniffer (struct core_fns *our_fns, bfd *abfd) |
2acceee2 JM |
114 | { |
115 | int result; | |
116 | ||
117 | result = (bfd_get_flavour (abfd) == our_fns -> core_flavour); | |
118 | return (result); | |
119 | } | |
120 | ||
121 | /* Walk through the list of core functions to find a set that can | |
06b9f45f | 122 | handle the core file open on ABFD. Returns pointer to set that is |
aff410f1 | 123 | selected. */ |
2acceee2 JM |
124 | |
125 | static struct core_fns * | |
fba45db2 | 126 | sniff_core_bfd (bfd *abfd) |
2acceee2 JM |
127 | { |
128 | struct core_fns *cf; | |
129 | struct core_fns *yummy = NULL; | |
45eba0ab | 130 | int matches = 0; |
2acceee2 | 131 | |
aff410f1 MS |
132 | /* Don't sniff if we have support for register sets in |
133 | CORE_GDBARCH. */ | |
29082443 | 134 | if (core_gdbarch && gdbarch_iterate_over_regset_sections_p (core_gdbarch)) |
0e24ac5d MK |
135 | return NULL; |
136 | ||
2acceee2 JM |
137 | for (cf = core_file_fns; cf != NULL; cf = cf->next) |
138 | { | |
139 | if (cf->core_sniffer (cf, abfd)) | |
140 | { | |
141 | yummy = cf; | |
142 | matches++; | |
143 | } | |
144 | } | |
145 | if (matches > 1) | |
146 | { | |
8a3fe4f8 | 147 | warning (_("\"%s\": ambiguous core format, %d handlers match"), |
2acceee2 JM |
148 | bfd_get_filename (abfd), matches); |
149 | } | |
150 | else if (matches == 0) | |
06b9f45f JK |
151 | error (_("\"%s\": no core file handler recognizes format"), |
152 | bfd_get_filename (abfd)); | |
153 | ||
2acceee2 JM |
154 | return (yummy); |
155 | } | |
156 | ||
157 | /* The default is to reject every core file format we see. Either | |
158 | BFD has to recognize it, or we have to provide a function in the | |
aff410f1 | 159 | core file handler that recognizes it. */ |
2acceee2 JM |
160 | |
161 | int | |
fba45db2 | 162 | default_check_format (bfd *abfd) |
2acceee2 JM |
163 | { |
164 | return (0); | |
165 | } | |
166 | ||
aff410f1 | 167 | /* Attempt to recognize core file formats that BFD rejects. */ |
2acceee2 | 168 | |
020cc13c | 169 | static int |
fba45db2 | 170 | gdb_check_format (bfd *abfd) |
2acceee2 JM |
171 | { |
172 | struct core_fns *cf; | |
173 | ||
174 | for (cf = core_file_fns; cf != NULL; cf = cf->next) | |
175 | { | |
176 | if (cf->check_format (abfd)) | |
177 | { | |
81a9a963 | 178 | return (1); |
2acceee2 JM |
179 | } |
180 | } | |
81a9a963 | 181 | return (0); |
2acceee2 | 182 | } |
c906108c | 183 | |
aff410f1 MS |
184 | /* Discard all vestiges of any previous core file and mark data and |
185 | stack spaces as empty. */ | |
c906108c | 186 | |
c906108c | 187 | static void |
de90e03d | 188 | core_close (struct target_ops *self) |
c906108c | 189 | { |
c906108c SS |
190 | if (core_bfd) |
191 | { | |
959b8724 | 192 | int pid = ptid_get_pid (inferior_ptid); |
aff410f1 MS |
193 | inferior_ptid = null_ptid; /* Avoid confusion from thread |
194 | stuff. */ | |
06b9f45f JK |
195 | if (pid != 0) |
196 | exit_inferior_silent (pid); | |
c906108c | 197 | |
aff410f1 MS |
198 | /* Clear out solib state while the bfd is still open. See |
199 | comments in clear_solib in solib.c. */ | |
a77053c2 | 200 | clear_solib (); |
7a292a7a | 201 | |
06b9f45f JK |
202 | if (core_data) |
203 | { | |
204 | xfree (core_data->sections); | |
205 | xfree (core_data); | |
206 | core_data = NULL; | |
207 | } | |
07b82ea5 | 208 | |
cbb099e8 | 209 | gdb_bfd_unref (core_bfd); |
c906108c | 210 | core_bfd = NULL; |
c906108c | 211 | } |
2acceee2 | 212 | core_vec = NULL; |
0e24ac5d | 213 | core_gdbarch = NULL; |
c906108c SS |
214 | } |
215 | ||
74b7792f AC |
216 | static void |
217 | core_close_cleanup (void *ignore) | |
218 | { | |
de90e03d | 219 | core_close (NULL); |
74b7792f AC |
220 | } |
221 | ||
aff410f1 MS |
222 | /* Look for sections whose names start with `.reg/' so that we can |
223 | extract the list of threads in a core file. */ | |
c906108c SS |
224 | |
225 | static void | |
4efb68b1 | 226 | add_to_thread_list (bfd *abfd, asection *asect, void *reg_sect_arg) |
c906108c | 227 | { |
0de3b513 | 228 | ptid_t ptid; |
3cdd9356 PA |
229 | int core_tid; |
230 | int pid, lwpid; | |
c906108c | 231 | asection *reg_sect = (asection *) reg_sect_arg; |
88f38a04 PA |
232 | int fake_pid_p = 0; |
233 | struct inferior *inf; | |
c906108c | 234 | |
61012eef | 235 | if (!startswith (bfd_section_name (abfd, asect), ".reg/")) |
c906108c SS |
236 | return; |
237 | ||
3cdd9356 | 238 | core_tid = atoi (bfd_section_name (abfd, asect) + 5); |
c906108c | 239 | |
261b8d08 PA |
240 | pid = bfd_core_file_pid (core_bfd); |
241 | if (pid == 0) | |
3cdd9356 | 242 | { |
88f38a04 | 243 | fake_pid_p = 1; |
3cdd9356 | 244 | pid = CORELOW_PID; |
3cdd9356 | 245 | } |
0de3b513 | 246 | |
261b8d08 PA |
247 | lwpid = core_tid; |
248 | ||
88f38a04 PA |
249 | inf = current_inferior (); |
250 | if (inf->pid == 0) | |
251 | { | |
252 | inferior_appeared (inf, pid); | |
253 | inf->fake_pid_p = fake_pid_p; | |
254 | } | |
3cdd9356 PA |
255 | |
256 | ptid = ptid_build (pid, lwpid, 0); | |
257 | ||
258 | add_thread (ptid); | |
c906108c SS |
259 | |
260 | /* Warning, Will Robinson, looking at BFD private data! */ | |
261 | ||
262 | if (reg_sect != NULL | |
aff410f1 MS |
263 | && asect->filepos == reg_sect->filepos) /* Did we find .reg? */ |
264 | inferior_ptid = ptid; /* Yes, make it current. */ | |
c906108c SS |
265 | } |
266 | ||
267 | /* This routine opens and sets up the core file bfd. */ | |
268 | ||
269 | static void | |
014f9477 | 270 | core_open (const char *arg, int from_tty) |
c906108c SS |
271 | { |
272 | const char *p; | |
273 | int siggy; | |
274 | struct cleanup *old_chain; | |
275 | char *temp; | |
c906108c | 276 | int scratch_chan; |
ee28ca0f | 277 | int flags; |
c906108c SS |
278 | |
279 | target_preopen (from_tty); | |
014f9477 | 280 | if (!arg) |
c906108c | 281 | { |
8a3fe4f8 | 282 | if (core_bfd) |
3e43a32a MS |
283 | error (_("No core file specified. (Use `detach' " |
284 | "to stop debugging a core file.)")); | |
8a3fe4f8 AC |
285 | else |
286 | error (_("No core file specified.")); | |
c906108c SS |
287 | } |
288 | ||
ee0c3293 TT |
289 | gdb::unique_xmalloc_ptr<char> filename (tilde_expand (arg)); |
290 | if (!IS_ABSOLUTE_PATH (filename.get ())) | |
291 | filename.reset (concat (current_directory, "/", | |
292 | filename.get (), (char *) NULL)); | |
c906108c | 293 | |
ee28ca0f AC |
294 | flags = O_BINARY | O_LARGEFILE; |
295 | if (write_files) | |
296 | flags |= O_RDWR; | |
297 | else | |
298 | flags |= O_RDONLY; | |
ee0c3293 | 299 | scratch_chan = gdb_open_cloexec (filename.get (), flags, 0); |
c906108c | 300 | if (scratch_chan < 0) |
ee0c3293 | 301 | perror_with_name (filename.get ()); |
c906108c | 302 | |
ee0c3293 | 303 | gdb_bfd_ref_ptr temp_bfd (gdb_bfd_fopen (filename.get (), gnutarget, |
192b62ce TT |
304 | write_files ? FOPEN_RUB : FOPEN_RB, |
305 | scratch_chan)); | |
c906108c | 306 | if (temp_bfd == NULL) |
ee0c3293 | 307 | perror_with_name (filename.get ()); |
c906108c | 308 | |
192b62ce TT |
309 | if (!bfd_check_format (temp_bfd.get (), bfd_core) |
310 | && !gdb_check_format (temp_bfd.get ())) | |
c906108c SS |
311 | { |
312 | /* Do it after the err msg */ | |
aff410f1 MS |
313 | /* FIXME: should be checking for errors from bfd_close (for one |
314 | thing, on error it does not free all the storage associated | |
315 | with the bfd). */ | |
8a3fe4f8 | 316 | error (_("\"%s\" is not a core dump: %s"), |
ee0c3293 | 317 | filename.get (), bfd_errmsg (bfd_get_error ())); |
c906108c SS |
318 | } |
319 | ||
aff410f1 MS |
320 | /* Looks semi-reasonable. Toss the old core file and work on the |
321 | new. */ | |
c906108c | 322 | |
c906108c | 323 | unpush_target (&core_ops); |
192b62ce | 324 | core_bfd = temp_bfd.release (); |
74b7792f | 325 | old_chain = make_cleanup (core_close_cleanup, 0 /*ignore*/); |
c906108c | 326 | |
0e24ac5d MK |
327 | core_gdbarch = gdbarch_from_bfd (core_bfd); |
328 | ||
2acceee2 JM |
329 | /* Find a suitable core file handler to munch on core_bfd */ |
330 | core_vec = sniff_core_bfd (core_bfd); | |
331 | ||
c906108c SS |
332 | validate_files (); |
333 | ||
41bf6aca | 334 | core_data = XCNEW (struct target_section_table); |
07b82ea5 | 335 | |
c906108c | 336 | /* Find the data section */ |
07b82ea5 | 337 | if (build_section_table (core_bfd, |
aff410f1 MS |
338 | &core_data->sections, |
339 | &core_data->sections_end)) | |
8a3fe4f8 | 340 | error (_("\"%s\": Can't find sections: %s"), |
c906108c SS |
341 | bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ())); |
342 | ||
2f1b5984 MK |
343 | /* If we have no exec file, try to set the architecture from the |
344 | core file. We don't do this unconditionally since an exec file | |
345 | typically contains more information that helps us determine the | |
346 | architecture than a core file. */ | |
347 | if (!exec_bfd) | |
348 | set_gdbarch_from_file (core_bfd); | |
cbda0a99 | 349 | |
87ab71f0 | 350 | push_target (&core_ops); |
c906108c SS |
351 | discard_cleanups (old_chain); |
352 | ||
0de3b513 PA |
353 | /* Do this before acknowledging the inferior, so if |
354 | post_create_inferior throws (can happen easilly if you're loading | |
355 | a core file with the wrong exec), we aren't left with threads | |
356 | from the previous inferior. */ | |
357 | init_thread_list (); | |
358 | ||
3cdd9356 | 359 | inferior_ptid = null_ptid; |
0de3b513 | 360 | |
739fc47a PA |
361 | /* Need to flush the register cache (and the frame cache) from a |
362 | previous debug session. If inferior_ptid ends up the same as the | |
363 | last debug session --- e.g., b foo; run; gcore core1; step; gcore | |
364 | core2; core core1; core core2 --- then there's potential for | |
365 | get_current_regcache to return the cached regcache of the | |
366 | previous session, and the frame cache being stale. */ | |
367 | registers_changed (); | |
368 | ||
0de3b513 PA |
369 | /* Build up thread list from BFD sections, and possibly set the |
370 | current thread to the .reg/NN section matching the .reg | |
aff410f1 | 371 | section. */ |
0de3b513 PA |
372 | bfd_map_over_sections (core_bfd, add_to_thread_list, |
373 | bfd_get_section_by_name (core_bfd, ".reg")); | |
374 | ||
3cdd9356 PA |
375 | if (ptid_equal (inferior_ptid, null_ptid)) |
376 | { | |
377 | /* Either we found no .reg/NN section, and hence we have a | |
378 | non-threaded core (single-threaded, from gdb's perspective), | |
379 | or for some reason add_to_thread_list couldn't determine | |
380 | which was the "main" thread. The latter case shouldn't | |
381 | usually happen, but we're dealing with input here, which can | |
382 | always be broken in different ways. */ | |
383 | struct thread_info *thread = first_thread_of_process (-1); | |
c5504eaf | 384 | |
3cdd9356 PA |
385 | if (thread == NULL) |
386 | { | |
c45ceae0 | 387 | inferior_appeared (current_inferior (), CORELOW_PID); |
3cdd9356 PA |
388 | inferior_ptid = pid_to_ptid (CORELOW_PID); |
389 | add_thread_silent (inferior_ptid); | |
390 | } | |
391 | else | |
392 | switch_to_thread (thread->ptid); | |
393 | } | |
394 | ||
959b8724 PA |
395 | post_create_inferior (&core_ops, from_tty); |
396 | ||
0de3b513 PA |
397 | /* Now go through the target stack looking for threads since there |
398 | may be a thread_stratum target loaded on top of target core by | |
399 | now. The layer above should claim threads found in the BFD | |
400 | sections. */ | |
492d29ea | 401 | TRY |
8e7b59a5 | 402 | { |
e8032dde | 403 | target_update_thread_list (); |
8e7b59a5 KS |
404 | } |
405 | ||
492d29ea PA |
406 | CATCH (except, RETURN_MASK_ERROR) |
407 | { | |
408 | exception_print (gdb_stderr, except); | |
409 | } | |
410 | END_CATCH | |
0de3b513 | 411 | |
c906108c SS |
412 | p = bfd_core_file_failing_command (core_bfd); |
413 | if (p) | |
a3f17187 | 414 | printf_filtered (_("Core was generated by `%s'.\n"), p); |
c906108c | 415 | |
0c557179 SDJ |
416 | /* Clearing any previous state of convenience variables. */ |
417 | clear_exit_convenience_vars (); | |
418 | ||
c906108c SS |
419 | siggy = bfd_core_file_failing_signal (core_bfd); |
420 | if (siggy > 0) | |
423ec54c | 421 | { |
22203bbf | 422 | /* If we don't have a CORE_GDBARCH to work with, assume a native |
1f8cf220 PA |
423 | core (map gdb_signal from host signals). If we do have |
424 | CORE_GDBARCH to work with, but no gdb_signal_from_target | |
425 | implementation for that gdbarch, as a fallback measure, | |
426 | assume the host signal mapping. It'll be correct for native | |
427 | cores, but most likely incorrect for cross-cores. */ | |
2ea28649 | 428 | enum gdb_signal sig = (core_gdbarch != NULL |
1f8cf220 PA |
429 | && gdbarch_gdb_signal_from_target_p (core_gdbarch) |
430 | ? gdbarch_gdb_signal_from_target (core_gdbarch, | |
431 | siggy) | |
432 | : gdb_signal_from_host (siggy)); | |
423ec54c | 433 | |
2d503272 PM |
434 | printf_filtered (_("Program terminated with signal %s, %s.\n"), |
435 | gdb_signal_to_name (sig), gdb_signal_to_string (sig)); | |
0c557179 SDJ |
436 | |
437 | /* Set the value of the internal variable $_exitsignal, | |
438 | which holds the signal uncaught by the inferior. */ | |
439 | set_internalvar_integer (lookup_internalvar ("_exitsignal"), | |
440 | siggy); | |
423ec54c | 441 | } |
c906108c | 442 | |
87ab71f0 PA |
443 | /* Fetch all registers from core file. */ |
444 | target_fetch_registers (get_current_regcache (), -1); | |
c906108c | 445 | |
87ab71f0 PA |
446 | /* Now, set up the frame cache, and print the top of stack. */ |
447 | reinit_frame_cache (); | |
08d72866 | 448 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1); |
f0e8c4c5 JK |
449 | |
450 | /* Current thread should be NUM 1 but the user does not know that. | |
451 | If a program is single threaded gdb in general does not mention | |
452 | anything about threads. That is why the test is >= 2. */ | |
453 | if (thread_count () >= 2) | |
454 | { | |
492d29ea | 455 | TRY |
f0e8c4c5 JK |
456 | { |
457 | thread_command (NULL, from_tty); | |
458 | } | |
492d29ea PA |
459 | CATCH (except, RETURN_MASK_ERROR) |
460 | { | |
461 | exception_print (gdb_stderr, except); | |
462 | } | |
463 | END_CATCH | |
f0e8c4c5 | 464 | } |
c906108c SS |
465 | } |
466 | ||
467 | static void | |
52554a0e | 468 | core_detach (struct target_ops *ops, const char *args, int from_tty) |
c906108c SS |
469 | { |
470 | if (args) | |
8a3fe4f8 | 471 | error (_("Too many arguments")); |
136d6dae | 472 | unpush_target (ops); |
c906108c SS |
473 | reinit_frame_cache (); |
474 | if (from_tty) | |
a3f17187 | 475 | printf_filtered (_("No core file now.\n")); |
c906108c SS |
476 | } |
477 | ||
de57eccd JM |
478 | /* Try to retrieve registers from a section in core_bfd, and supply |
479 | them to core_vec->core_read_registers, as the register set numbered | |
480 | WHICH. | |
481 | ||
11a33714 SM |
482 | If ptid's lwp member is zero, do the single-threaded |
483 | thing: look for a section named NAME. If ptid's lwp | |
0de3b513 PA |
484 | member is non-zero, do the multi-threaded thing: look for a section |
485 | named "NAME/LWP", where LWP is the shortest ASCII decimal | |
11a33714 | 486 | representation of ptid's lwp member. |
de57eccd JM |
487 | |
488 | HUMAN_NAME is a human-readable name for the kind of registers the | |
489 | NAME section contains, for use in error messages. | |
490 | ||
491 | If REQUIRED is non-zero, print an error if the core file doesn't | |
aff410f1 MS |
492 | have a section by the appropriate name. Otherwise, just do |
493 | nothing. */ | |
de57eccd JM |
494 | |
495 | static void | |
9eefc95f | 496 | get_core_register_section (struct regcache *regcache, |
8f0435f7 | 497 | const struct regset *regset, |
1b1818e4 | 498 | const char *name, |
8f0435f7 | 499 | int min_size, |
de57eccd | 500 | int which, |
1b1818e4 | 501 | const char *human_name, |
de57eccd JM |
502 | int required) |
503 | { | |
7be0c536 | 504 | struct bfd_section *section; |
de57eccd JM |
505 | bfd_size_type size; |
506 | char *contents; | |
874a1c8c AT |
507 | bool variable_size_section = (regset != NULL |
508 | && regset->flags & REGSET_VARIABLE_SIZE); | |
de57eccd | 509 | |
3c3ae77e | 510 | thread_section_name section_name (name, regcache->ptid ()); |
de57eccd | 511 | |
3c3ae77e | 512 | section = bfd_get_section_by_name (core_bfd, section_name.c_str ()); |
de57eccd JM |
513 | if (! section) |
514 | { | |
515 | if (required) | |
aff410f1 MS |
516 | warning (_("Couldn't find %s registers in core file."), |
517 | human_name); | |
de57eccd JM |
518 | return; |
519 | } | |
520 | ||
521 | size = bfd_section_size (core_bfd, section); | |
8f0435f7 AA |
522 | if (size < min_size) |
523 | { | |
3c3ae77e PA |
524 | warning (_("Section `%s' in core file too small."), |
525 | section_name.c_str ()); | |
8f0435f7 AA |
526 | return; |
527 | } | |
874a1c8c | 528 | if (size != min_size && !variable_size_section) |
f962539a AA |
529 | { |
530 | warning (_("Unexpected size of section `%s' in core file."), | |
3c3ae77e | 531 | section_name.c_str ()); |
f962539a | 532 | } |
8f0435f7 | 533 | |
224c3ddb | 534 | contents = (char *) alloca (size); |
de57eccd JM |
535 | if (! bfd_get_section_contents (core_bfd, section, contents, |
536 | (file_ptr) 0, size)) | |
537 | { | |
8a3fe4f8 | 538 | warning (_("Couldn't read %s registers from `%s' section in core file."), |
3c3ae77e | 539 | human_name, section_name.c_str ()); |
de57eccd JM |
540 | return; |
541 | } | |
542 | ||
8f0435f7 AA |
543 | if (regset != NULL) |
544 | { | |
9eefc95f | 545 | regset->supply_regset (regset, regcache, -1, contents, size); |
0e24ac5d MK |
546 | return; |
547 | } | |
548 | ||
549 | gdb_assert (core_vec); | |
9eefc95f | 550 | core_vec->core_read_registers (regcache, contents, size, which, |
de57eccd JM |
551 | ((CORE_ADDR) |
552 | bfd_section_vma (core_bfd, section))); | |
553 | } | |
554 | ||
5aa82d05 AA |
555 | /* Callback for get_core_registers that handles a single core file |
556 | register note section. */ | |
557 | ||
558 | static void | |
559 | get_core_registers_cb (const char *sect_name, int size, | |
8f0435f7 | 560 | const struct regset *regset, |
5aa82d05 AA |
561 | const char *human_name, void *cb_data) |
562 | { | |
563 | struct regcache *regcache = (struct regcache *) cb_data; | |
8f0435f7 | 564 | int required = 0; |
5aa82d05 AA |
565 | |
566 | if (strcmp (sect_name, ".reg") == 0) | |
8f0435f7 AA |
567 | { |
568 | required = 1; | |
569 | if (human_name == NULL) | |
570 | human_name = "general-purpose"; | |
571 | } | |
5aa82d05 | 572 | else if (strcmp (sect_name, ".reg2") == 0) |
8f0435f7 AA |
573 | { |
574 | if (human_name == NULL) | |
575 | human_name = "floating-point"; | |
576 | } | |
577 | ||
578 | /* The 'which' parameter is only used when no regset is provided. | |
579 | Thus we just set it to -1. */ | |
580 | get_core_register_section (regcache, regset, sect_name, | |
581 | size, -1, human_name, required); | |
5aa82d05 | 582 | } |
de57eccd | 583 | |
c906108c SS |
584 | /* Get the registers out of a core file. This is the machine- |
585 | independent part. Fetch_core_registers is the machine-dependent | |
aff410f1 MS |
586 | part, typically implemented in the xm-file for each |
587 | architecture. */ | |
c906108c SS |
588 | |
589 | /* We just get all the registers, so we don't use regno. */ | |
590 | ||
c906108c | 591 | static void |
28439f5e PA |
592 | get_core_registers (struct target_ops *ops, |
593 | struct regcache *regcache, int regno) | |
c906108c | 594 | { |
9c5ea4d9 | 595 | int i; |
5aa82d05 | 596 | struct gdbarch *gdbarch; |
c906108c | 597 | |
29082443 | 598 | if (!(core_gdbarch && gdbarch_iterate_over_regset_sections_p (core_gdbarch)) |
0e24ac5d | 599 | && (core_vec == NULL || core_vec->core_read_registers == NULL)) |
c906108c SS |
600 | { |
601 | fprintf_filtered (gdb_stderr, | |
c5aa993b | 602 | "Can't fetch registers from this type of core file\n"); |
c906108c SS |
603 | return; |
604 | } | |
605 | ||
ac7936df | 606 | gdbarch = regcache->arch (); |
5aa82d05 AA |
607 | if (gdbarch_iterate_over_regset_sections_p (gdbarch)) |
608 | gdbarch_iterate_over_regset_sections (gdbarch, | |
609 | get_core_registers_cb, | |
610 | (void *) regcache, NULL); | |
1b1818e4 UW |
611 | else |
612 | { | |
8f0435f7 AA |
613 | get_core_register_section (regcache, NULL, |
614 | ".reg", 0, 0, "general-purpose", 1); | |
615 | get_core_register_section (regcache, NULL, | |
616 | ".reg2", 0, 2, "floating-point", 0); | |
1b1818e4 | 617 | } |
c906108c | 618 | |
ee99023e | 619 | /* Mark all registers not found in the core as unavailable. */ |
ac7936df | 620 | for (i = 0; i < gdbarch_num_regs (regcache->arch ()); i++) |
ee99023e | 621 | if (regcache_register_status (regcache, i) == REG_UNKNOWN) |
9c5ea4d9 | 622 | regcache_raw_supply (regcache, i, NULL); |
c906108c SS |
623 | } |
624 | ||
c906108c | 625 | static void |
fba45db2 | 626 | core_files_info (struct target_ops *t) |
c906108c | 627 | { |
07b82ea5 | 628 | print_section_info (core_data, core_bfd); |
c906108c | 629 | } |
e2544d02 | 630 | \f |
efcbbd14 UW |
631 | struct spuid_list |
632 | { | |
633 | gdb_byte *buf; | |
634 | ULONGEST offset; | |
635 | LONGEST len; | |
636 | ULONGEST pos; | |
637 | ULONGEST written; | |
638 | }; | |
639 | ||
640 | static void | |
641 | add_to_spuid_list (bfd *abfd, asection *asect, void *list_p) | |
642 | { | |
9a3c8263 | 643 | struct spuid_list *list = (struct spuid_list *) list_p; |
efcbbd14 | 644 | enum bfd_endian byte_order |
aff410f1 | 645 | = bfd_big_endian (abfd) ? BFD_ENDIAN_BIG : BFD_ENDIAN_LITTLE; |
efcbbd14 UW |
646 | int fd, pos = 0; |
647 | ||
648 | sscanf (bfd_section_name (abfd, asect), "SPU/%d/regs%n", &fd, &pos); | |
649 | if (pos == 0) | |
650 | return; | |
651 | ||
652 | if (list->pos >= list->offset && list->pos + 4 <= list->offset + list->len) | |
653 | { | |
654 | store_unsigned_integer (list->buf + list->pos - list->offset, | |
655 | 4, byte_order, fd); | |
656 | list->written += 4; | |
657 | } | |
658 | list->pos += 4; | |
659 | } | |
660 | ||
9b409511 | 661 | static enum target_xfer_status |
e2544d02 | 662 | core_xfer_partial (struct target_ops *ops, enum target_object object, |
961cb7b5 | 663 | const char *annex, gdb_byte *readbuf, |
aff410f1 | 664 | const gdb_byte *writebuf, ULONGEST offset, |
9b409511 | 665 | ULONGEST len, ULONGEST *xfered_len) |
e2544d02 RM |
666 | { |
667 | switch (object) | |
668 | { | |
669 | case TARGET_OBJECT_MEMORY: | |
07b82ea5 | 670 | return section_table_xfer_memory_partial (readbuf, writebuf, |
9b409511 | 671 | offset, len, xfered_len, |
07b82ea5 PA |
672 | core_data->sections, |
673 | core_data->sections_end, | |
674 | NULL); | |
e2544d02 RM |
675 | |
676 | case TARGET_OBJECT_AUXV: | |
677 | if (readbuf) | |
678 | { | |
679 | /* When the aux vector is stored in core file, BFD | |
680 | represents this with a fake section called ".auxv". */ | |
681 | ||
c4c5b7ba | 682 | struct bfd_section *section; |
e2544d02 | 683 | bfd_size_type size; |
e2544d02 RM |
684 | |
685 | section = bfd_get_section_by_name (core_bfd, ".auxv"); | |
686 | if (section == NULL) | |
2ed4b548 | 687 | return TARGET_XFER_E_IO; |
e2544d02 RM |
688 | |
689 | size = bfd_section_size (core_bfd, section); | |
690 | if (offset >= size) | |
9b409511 | 691 | return TARGET_XFER_EOF; |
e2544d02 RM |
692 | size -= offset; |
693 | if (size > len) | |
694 | size = len; | |
9b409511 YQ |
695 | |
696 | if (size == 0) | |
697 | return TARGET_XFER_EOF; | |
698 | if (!bfd_get_section_contents (core_bfd, section, readbuf, | |
699 | (file_ptr) offset, size)) | |
e2544d02 | 700 | { |
8a3fe4f8 | 701 | warning (_("Couldn't read NT_AUXV note in core file.")); |
2ed4b548 | 702 | return TARGET_XFER_E_IO; |
e2544d02 RM |
703 | } |
704 | ||
9b409511 YQ |
705 | *xfered_len = (ULONGEST) size; |
706 | return TARGET_XFER_OK; | |
e2544d02 | 707 | } |
2ed4b548 | 708 | return TARGET_XFER_E_IO; |
e2544d02 | 709 | |
403e1656 MK |
710 | case TARGET_OBJECT_WCOOKIE: |
711 | if (readbuf) | |
712 | { | |
713 | /* When the StackGhost cookie is stored in core file, BFD | |
aff410f1 MS |
714 | represents this with a fake section called |
715 | ".wcookie". */ | |
403e1656 MK |
716 | |
717 | struct bfd_section *section; | |
718 | bfd_size_type size; | |
403e1656 MK |
719 | |
720 | section = bfd_get_section_by_name (core_bfd, ".wcookie"); | |
721 | if (section == NULL) | |
2ed4b548 | 722 | return TARGET_XFER_E_IO; |
403e1656 MK |
723 | |
724 | size = bfd_section_size (core_bfd, section); | |
725 | if (offset >= size) | |
96c4f946 | 726 | return TARGET_XFER_EOF; |
403e1656 MK |
727 | size -= offset; |
728 | if (size > len) | |
729 | size = len; | |
9b409511 YQ |
730 | |
731 | if (size == 0) | |
732 | return TARGET_XFER_EOF; | |
733 | if (!bfd_get_section_contents (core_bfd, section, readbuf, | |
734 | (file_ptr) offset, size)) | |
403e1656 | 735 | { |
8a3fe4f8 | 736 | warning (_("Couldn't read StackGhost cookie in core file.")); |
2ed4b548 | 737 | return TARGET_XFER_E_IO; |
403e1656 MK |
738 | } |
739 | ||
9b409511 YQ |
740 | *xfered_len = (ULONGEST) size; |
741 | return TARGET_XFER_OK; | |
742 | ||
403e1656 | 743 | } |
2ed4b548 | 744 | return TARGET_XFER_E_IO; |
403e1656 | 745 | |
de584861 PA |
746 | case TARGET_OBJECT_LIBRARIES: |
747 | if (core_gdbarch | |
748 | && gdbarch_core_xfer_shared_libraries_p (core_gdbarch)) | |
749 | { | |
750 | if (writebuf) | |
2ed4b548 | 751 | return TARGET_XFER_E_IO; |
9b409511 YQ |
752 | else |
753 | { | |
754 | *xfered_len = gdbarch_core_xfer_shared_libraries (core_gdbarch, | |
755 | readbuf, | |
756 | offset, len); | |
757 | ||
758 | if (*xfered_len == 0) | |
759 | return TARGET_XFER_EOF; | |
760 | else | |
761 | return TARGET_XFER_OK; | |
762 | } | |
de584861 PA |
763 | } |
764 | /* FALL THROUGH */ | |
765 | ||
356a5233 JB |
766 | case TARGET_OBJECT_LIBRARIES_AIX: |
767 | if (core_gdbarch | |
768 | && gdbarch_core_xfer_shared_libraries_aix_p (core_gdbarch)) | |
769 | { | |
770 | if (writebuf) | |
2ed4b548 | 771 | return TARGET_XFER_E_IO; |
9b409511 YQ |
772 | else |
773 | { | |
774 | *xfered_len | |
775 | = gdbarch_core_xfer_shared_libraries_aix (core_gdbarch, | |
776 | readbuf, offset, | |
777 | len); | |
778 | ||
779 | if (*xfered_len == 0) | |
780 | return TARGET_XFER_EOF; | |
781 | else | |
782 | return TARGET_XFER_OK; | |
783 | } | |
356a5233 JB |
784 | } |
785 | /* FALL THROUGH */ | |
786 | ||
efcbbd14 UW |
787 | case TARGET_OBJECT_SPU: |
788 | if (readbuf && annex) | |
789 | { | |
790 | /* When the SPU contexts are stored in a core file, BFD | |
aff410f1 MS |
791 | represents this with a fake section called |
792 | "SPU/<annex>". */ | |
efcbbd14 UW |
793 | |
794 | struct bfd_section *section; | |
795 | bfd_size_type size; | |
efcbbd14 | 796 | char sectionstr[100]; |
c5504eaf | 797 | |
efcbbd14 UW |
798 | xsnprintf (sectionstr, sizeof sectionstr, "SPU/%s", annex); |
799 | ||
800 | section = bfd_get_section_by_name (core_bfd, sectionstr); | |
801 | if (section == NULL) | |
2ed4b548 | 802 | return TARGET_XFER_E_IO; |
efcbbd14 UW |
803 | |
804 | size = bfd_section_size (core_bfd, section); | |
805 | if (offset >= size) | |
9b409511 | 806 | return TARGET_XFER_EOF; |
efcbbd14 UW |
807 | size -= offset; |
808 | if (size > len) | |
809 | size = len; | |
9b409511 YQ |
810 | |
811 | if (size == 0) | |
812 | return TARGET_XFER_EOF; | |
813 | if (!bfd_get_section_contents (core_bfd, section, readbuf, | |
814 | (file_ptr) offset, size)) | |
efcbbd14 UW |
815 | { |
816 | warning (_("Couldn't read SPU section in core file.")); | |
2ed4b548 | 817 | return TARGET_XFER_E_IO; |
efcbbd14 UW |
818 | } |
819 | ||
9b409511 YQ |
820 | *xfered_len = (ULONGEST) size; |
821 | return TARGET_XFER_OK; | |
efcbbd14 UW |
822 | } |
823 | else if (readbuf) | |
824 | { | |
825 | /* NULL annex requests list of all present spuids. */ | |
826 | struct spuid_list list; | |
c5504eaf | 827 | |
efcbbd14 UW |
828 | list.buf = readbuf; |
829 | list.offset = offset; | |
830 | list.len = len; | |
831 | list.pos = 0; | |
832 | list.written = 0; | |
833 | bfd_map_over_sections (core_bfd, add_to_spuid_list, &list); | |
9b409511 YQ |
834 | |
835 | if (list.written == 0) | |
836 | return TARGET_XFER_EOF; | |
837 | else | |
838 | { | |
839 | *xfered_len = (ULONGEST) list.written; | |
840 | return TARGET_XFER_OK; | |
841 | } | |
efcbbd14 | 842 | } |
2ed4b548 | 843 | return TARGET_XFER_E_IO; |
efcbbd14 | 844 | |
9015683b TT |
845 | case TARGET_OBJECT_SIGNAL_INFO: |
846 | if (readbuf) | |
9b409511 | 847 | { |
382b69bb JB |
848 | if (core_gdbarch |
849 | && gdbarch_core_xfer_siginfo_p (core_gdbarch)) | |
9b409511 | 850 | { |
382b69bb JB |
851 | LONGEST l = gdbarch_core_xfer_siginfo (core_gdbarch, readbuf, |
852 | offset, len); | |
853 | ||
854 | if (l >= 0) | |
855 | { | |
856 | *xfered_len = l; | |
857 | if (l == 0) | |
858 | return TARGET_XFER_EOF; | |
859 | else | |
860 | return TARGET_XFER_OK; | |
861 | } | |
9b409511 YQ |
862 | } |
863 | } | |
2ed4b548 | 864 | return TARGET_XFER_E_IO; |
9015683b | 865 | |
e2544d02 | 866 | default: |
e75fdfca TT |
867 | return ops->beneath->to_xfer_partial (ops->beneath, object, |
868 | annex, readbuf, | |
869 | writebuf, offset, len, | |
870 | xfered_len); | |
e2544d02 RM |
871 | } |
872 | } | |
873 | ||
c906108c SS |
874 | \f |
875 | /* If mourn is being called in all the right places, this could be say | |
aff410f1 MS |
876 | `gdb internal error' (since generic_mourn calls |
877 | breakpoint_init_inferior). */ | |
c906108c SS |
878 | |
879 | static int | |
3db08215 MM |
880 | ignore (struct target_ops *ops, struct gdbarch *gdbarch, |
881 | struct bp_target_info *bp_tgt) | |
c906108c SS |
882 | { |
883 | return 0; | |
884 | } | |
885 | ||
73971819 PA |
886 | /* Implement the to_remove_breakpoint method. */ |
887 | ||
888 | static int | |
889 | core_remove_breakpoint (struct target_ops *ops, struct gdbarch *gdbarch, | |
890 | struct bp_target_info *bp_tgt, | |
891 | enum remove_bp_reason reason) | |
892 | { | |
893 | return 0; | |
894 | } | |
895 | ||
c906108c SS |
896 | |
897 | /* Okay, let's be honest: threads gleaned from a core file aren't | |
898 | exactly lively, are they? On the other hand, if we don't claim | |
899 | that each & every one is alive, then we don't get any of them | |
900 | to appear in an "info thread" command, which is quite a useful | |
901 | behaviour. | |
c5aa993b | 902 | */ |
c906108c | 903 | static int |
28439f5e | 904 | core_thread_alive (struct target_ops *ops, ptid_t ptid) |
c906108c SS |
905 | { |
906 | return 1; | |
907 | } | |
908 | ||
4eb0ad19 DJ |
909 | /* Ask the current architecture what it knows about this core file. |
910 | That will be used, in turn, to pick a better architecture. This | |
911 | wrapper could be avoided if targets got a chance to specialize | |
912 | core_ops. */ | |
913 | ||
914 | static const struct target_desc * | |
915 | core_read_description (struct target_ops *target) | |
916 | { | |
a78c2d62 | 917 | if (core_gdbarch && gdbarch_core_read_description_p (core_gdbarch)) |
2117c711 TT |
918 | { |
919 | const struct target_desc *result; | |
920 | ||
921 | result = gdbarch_core_read_description (core_gdbarch, | |
922 | target, core_bfd); | |
923 | if (result != NULL) | |
924 | return result; | |
925 | } | |
4eb0ad19 | 926 | |
2117c711 | 927 | return target->beneath->to_read_description (target->beneath); |
4eb0ad19 DJ |
928 | } |
929 | ||
7a114964 | 930 | static const char * |
117de6a9 | 931 | core_pid_to_str (struct target_ops *ops, ptid_t ptid) |
0de3b513 PA |
932 | { |
933 | static char buf[64]; | |
88f38a04 | 934 | struct inferior *inf; |
a5ee0f0c | 935 | int pid; |
0de3b513 | 936 | |
a5ee0f0c PA |
937 | /* The preferred way is to have a gdbarch/OS specific |
938 | implementation. */ | |
28439f5e PA |
939 | if (core_gdbarch |
940 | && gdbarch_core_pid_to_str_p (core_gdbarch)) | |
a5ee0f0c | 941 | return gdbarch_core_pid_to_str (core_gdbarch, ptid); |
c5504eaf | 942 | |
a5ee0f0c PA |
943 | /* Otherwise, if we don't have one, we'll just fallback to |
944 | "process", with normal_pid_to_str. */ | |
28439f5e | 945 | |
a5ee0f0c PA |
946 | /* Try the LWPID field first. */ |
947 | pid = ptid_get_lwp (ptid); | |
948 | if (pid != 0) | |
949 | return normal_pid_to_str (pid_to_ptid (pid)); | |
950 | ||
951 | /* Otherwise, this isn't a "threaded" core -- use the PID field, but | |
952 | only if it isn't a fake PID. */ | |
c9657e70 | 953 | inf = find_inferior_ptid (ptid); |
88f38a04 | 954 | if (inf != NULL && !inf->fake_pid_p) |
a5ee0f0c | 955 | return normal_pid_to_str (ptid); |
0de3b513 | 956 | |
a5ee0f0c PA |
957 | /* No luck. We simply don't have a valid PID to print. */ |
958 | xsnprintf (buf, sizeof buf, "<main task>"); | |
0de3b513 PA |
959 | return buf; |
960 | } | |
961 | ||
4dfc5dbc JB |
962 | static const char * |
963 | core_thread_name (struct target_ops *self, struct thread_info *thr) | |
964 | { | |
965 | if (core_gdbarch | |
966 | && gdbarch_core_thread_name_p (core_gdbarch)) | |
967 | return gdbarch_core_thread_name (core_gdbarch, thr); | |
968 | return NULL; | |
969 | } | |
970 | ||
c35b1492 PA |
971 | static int |
972 | core_has_memory (struct target_ops *ops) | |
973 | { | |
974 | return (core_bfd != NULL); | |
975 | } | |
976 | ||
977 | static int | |
978 | core_has_stack (struct target_ops *ops) | |
979 | { | |
980 | return (core_bfd != NULL); | |
981 | } | |
982 | ||
983 | static int | |
984 | core_has_registers (struct target_ops *ops) | |
985 | { | |
986 | return (core_bfd != NULL); | |
987 | } | |
988 | ||
451b7c33 TT |
989 | /* Implement the to_info_proc method. */ |
990 | ||
991 | static void | |
7bc112c1 TT |
992 | core_info_proc (struct target_ops *ops, const char *args, |
993 | enum info_proc_what request) | |
451b7c33 TT |
994 | { |
995 | struct gdbarch *gdbarch = get_current_arch (); | |
996 | ||
997 | /* Since this is the core file target, call the 'core_info_proc' | |
998 | method on gdbarch, not 'info_proc'. */ | |
999 | if (gdbarch_core_info_proc_p (gdbarch)) | |
1000 | gdbarch_core_info_proc (gdbarch, args, request); | |
1001 | } | |
1002 | ||
c906108c SS |
1003 | /* Fill in core_ops with its defined operations and properties. */ |
1004 | ||
1005 | static void | |
fba45db2 | 1006 | init_core_ops (void) |
c906108c SS |
1007 | { |
1008 | core_ops.to_shortname = "core"; | |
1009 | core_ops.to_longname = "Local core dump file"; | |
1010 | core_ops.to_doc = | |
1011 | "Use a core file as a target. Specify the filename of the core file."; | |
1012 | core_ops.to_open = core_open; | |
1013 | core_ops.to_close = core_close; | |
c906108c | 1014 | core_ops.to_detach = core_detach; |
c906108c | 1015 | core_ops.to_fetch_registers = get_core_registers; |
e2544d02 | 1016 | core_ops.to_xfer_partial = core_xfer_partial; |
c906108c SS |
1017 | core_ops.to_files_info = core_files_info; |
1018 | core_ops.to_insert_breakpoint = ignore; | |
73971819 | 1019 | core_ops.to_remove_breakpoint = core_remove_breakpoint; |
28439f5e | 1020 | core_ops.to_thread_alive = core_thread_alive; |
4eb0ad19 | 1021 | core_ops.to_read_description = core_read_description; |
0de3b513 | 1022 | core_ops.to_pid_to_str = core_pid_to_str; |
4dfc5dbc | 1023 | core_ops.to_thread_name = core_thread_name; |
c0edd9ed | 1024 | core_ops.to_stratum = process_stratum; |
c35b1492 PA |
1025 | core_ops.to_has_memory = core_has_memory; |
1026 | core_ops.to_has_stack = core_has_stack; | |
1027 | core_ops.to_has_registers = core_has_registers; | |
451b7c33 | 1028 | core_ops.to_info_proc = core_info_proc; |
c5aa993b | 1029 | core_ops.to_magic = OPS_MAGIC; |
c0edd9ed JK |
1030 | |
1031 | if (core_target) | |
1032 | internal_error (__FILE__, __LINE__, | |
1033 | _("init_core_ops: core target already exists (\"%s\")."), | |
1034 | core_target->to_longname); | |
1035 | core_target = &core_ops; | |
c906108c SS |
1036 | } |
1037 | ||
c906108c | 1038 | void |
fba45db2 | 1039 | _initialize_corelow (void) |
c906108c SS |
1040 | { |
1041 | init_core_ops (); | |
1042 | ||
9852c492 | 1043 | add_target_with_completer (&core_ops, filename_completer); |
c906108c | 1044 | } |