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; | |
45eba0ab | 132 | int matches = 0; |
2acceee2 | 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; |
c906108c SS |
280 | |
281 | target_preopen (from_tty); | |
014f9477 | 282 | if (!arg) |
c906108c | 283 | { |
8a3fe4f8 | 284 | if (core_bfd) |
3e43a32a MS |
285 | error (_("No core file specified. (Use `detach' " |
286 | "to stop debugging a core file.)")); | |
8a3fe4f8 AC |
287 | else |
288 | error (_("No core file specified.")); | |
c906108c SS |
289 | } |
290 | ||
ee0c3293 TT |
291 | gdb::unique_xmalloc_ptr<char> filename (tilde_expand (arg)); |
292 | if (!IS_ABSOLUTE_PATH (filename.get ())) | |
293 | filename.reset (concat (current_directory, "/", | |
294 | filename.get (), (char *) NULL)); | |
c906108c | 295 | |
ee28ca0f AC |
296 | flags = O_BINARY | O_LARGEFILE; |
297 | if (write_files) | |
298 | flags |= O_RDWR; | |
299 | else | |
300 | flags |= O_RDONLY; | |
ee0c3293 | 301 | scratch_chan = gdb_open_cloexec (filename.get (), flags, 0); |
c906108c | 302 | if (scratch_chan < 0) |
ee0c3293 | 303 | perror_with_name (filename.get ()); |
c906108c | 304 | |
ee0c3293 | 305 | gdb_bfd_ref_ptr temp_bfd (gdb_bfd_fopen (filename.get (), gnutarget, |
192b62ce TT |
306 | write_files ? FOPEN_RUB : FOPEN_RB, |
307 | scratch_chan)); | |
c906108c | 308 | if (temp_bfd == NULL) |
ee0c3293 | 309 | perror_with_name (filename.get ()); |
c906108c | 310 | |
192b62ce TT |
311 | if (!bfd_check_format (temp_bfd.get (), bfd_core) |
312 | && !gdb_check_format (temp_bfd.get ())) | |
c906108c SS |
313 | { |
314 | /* Do it after the err msg */ | |
aff410f1 MS |
315 | /* FIXME: should be checking for errors from bfd_close (for one |
316 | thing, on error it does not free all the storage associated | |
317 | with the bfd). */ | |
8a3fe4f8 | 318 | error (_("\"%s\" is not a core dump: %s"), |
ee0c3293 | 319 | filename.get (), bfd_errmsg (bfd_get_error ())); |
c906108c SS |
320 | } |
321 | ||
aff410f1 MS |
322 | /* Looks semi-reasonable. Toss the old core file and work on the |
323 | new. */ | |
c906108c | 324 | |
c906108c | 325 | unpush_target (&core_ops); |
192b62ce | 326 | core_bfd = temp_bfd.release (); |
74b7792f | 327 | old_chain = make_cleanup (core_close_cleanup, 0 /*ignore*/); |
c906108c | 328 | |
0e24ac5d MK |
329 | core_gdbarch = gdbarch_from_bfd (core_bfd); |
330 | ||
2acceee2 JM |
331 | /* Find a suitable core file handler to munch on core_bfd */ |
332 | core_vec = sniff_core_bfd (core_bfd); | |
333 | ||
c906108c SS |
334 | validate_files (); |
335 | ||
41bf6aca | 336 | core_data = XCNEW (struct target_section_table); |
07b82ea5 | 337 | |
c906108c | 338 | /* Find the data section */ |
07b82ea5 | 339 | if (build_section_table (core_bfd, |
aff410f1 MS |
340 | &core_data->sections, |
341 | &core_data->sections_end)) | |
8a3fe4f8 | 342 | error (_("\"%s\": Can't find sections: %s"), |
c906108c SS |
343 | bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ())); |
344 | ||
2f1b5984 MK |
345 | /* If we have no exec file, try to set the architecture from the |
346 | core file. We don't do this unconditionally since an exec file | |
347 | typically contains more information that helps us determine the | |
348 | architecture than a core file. */ | |
349 | if (!exec_bfd) | |
350 | set_gdbarch_from_file (core_bfd); | |
cbda0a99 | 351 | |
87ab71f0 | 352 | push_target (&core_ops); |
c906108c SS |
353 | discard_cleanups (old_chain); |
354 | ||
0de3b513 PA |
355 | /* Do this before acknowledging the inferior, so if |
356 | post_create_inferior throws (can happen easilly if you're loading | |
357 | a core file with the wrong exec), we aren't left with threads | |
358 | from the previous inferior. */ | |
359 | init_thread_list (); | |
360 | ||
3cdd9356 | 361 | inferior_ptid = null_ptid; |
0de3b513 | 362 | |
739fc47a PA |
363 | /* Need to flush the register cache (and the frame cache) from a |
364 | previous debug session. If inferior_ptid ends up the same as the | |
365 | last debug session --- e.g., b foo; run; gcore core1; step; gcore | |
366 | core2; core core1; core core2 --- then there's potential for | |
367 | get_current_regcache to return the cached regcache of the | |
368 | previous session, and the frame cache being stale. */ | |
369 | registers_changed (); | |
370 | ||
0de3b513 PA |
371 | /* Build up thread list from BFD sections, and possibly set the |
372 | current thread to the .reg/NN section matching the .reg | |
aff410f1 | 373 | section. */ |
0de3b513 PA |
374 | bfd_map_over_sections (core_bfd, add_to_thread_list, |
375 | bfd_get_section_by_name (core_bfd, ".reg")); | |
376 | ||
3cdd9356 PA |
377 | if (ptid_equal (inferior_ptid, null_ptid)) |
378 | { | |
379 | /* Either we found no .reg/NN section, and hence we have a | |
380 | non-threaded core (single-threaded, from gdb's perspective), | |
381 | or for some reason add_to_thread_list couldn't determine | |
382 | which was the "main" thread. The latter case shouldn't | |
383 | usually happen, but we're dealing with input here, which can | |
384 | always be broken in different ways. */ | |
385 | struct thread_info *thread = first_thread_of_process (-1); | |
c5504eaf | 386 | |
3cdd9356 PA |
387 | if (thread == NULL) |
388 | { | |
c45ceae0 | 389 | inferior_appeared (current_inferior (), CORELOW_PID); |
3cdd9356 PA |
390 | inferior_ptid = pid_to_ptid (CORELOW_PID); |
391 | add_thread_silent (inferior_ptid); | |
392 | } | |
393 | else | |
394 | switch_to_thread (thread->ptid); | |
395 | } | |
396 | ||
959b8724 PA |
397 | post_create_inferior (&core_ops, from_tty); |
398 | ||
0de3b513 PA |
399 | /* Now go through the target stack looking for threads since there |
400 | may be a thread_stratum target loaded on top of target core by | |
401 | now. The layer above should claim threads found in the BFD | |
402 | sections. */ | |
492d29ea | 403 | TRY |
8e7b59a5 | 404 | { |
e8032dde | 405 | target_update_thread_list (); |
8e7b59a5 KS |
406 | } |
407 | ||
492d29ea PA |
408 | CATCH (except, RETURN_MASK_ERROR) |
409 | { | |
410 | exception_print (gdb_stderr, except); | |
411 | } | |
412 | END_CATCH | |
0de3b513 | 413 | |
c906108c SS |
414 | p = bfd_core_file_failing_command (core_bfd); |
415 | if (p) | |
a3f17187 | 416 | printf_filtered (_("Core was generated by `%s'.\n"), p); |
c906108c | 417 | |
0c557179 SDJ |
418 | /* Clearing any previous state of convenience variables. */ |
419 | clear_exit_convenience_vars (); | |
420 | ||
c906108c SS |
421 | siggy = bfd_core_file_failing_signal (core_bfd); |
422 | if (siggy > 0) | |
423ec54c | 423 | { |
22203bbf | 424 | /* If we don't have a CORE_GDBARCH to work with, assume a native |
1f8cf220 PA |
425 | core (map gdb_signal from host signals). If we do have |
426 | CORE_GDBARCH to work with, but no gdb_signal_from_target | |
427 | implementation for that gdbarch, as a fallback measure, | |
428 | assume the host signal mapping. It'll be correct for native | |
429 | cores, but most likely incorrect for cross-cores. */ | |
2ea28649 | 430 | enum gdb_signal sig = (core_gdbarch != NULL |
1f8cf220 PA |
431 | && gdbarch_gdb_signal_from_target_p (core_gdbarch) |
432 | ? gdbarch_gdb_signal_from_target (core_gdbarch, | |
433 | siggy) | |
434 | : gdb_signal_from_host (siggy)); | |
423ec54c | 435 | |
2d503272 PM |
436 | printf_filtered (_("Program terminated with signal %s, %s.\n"), |
437 | gdb_signal_to_name (sig), gdb_signal_to_string (sig)); | |
0c557179 SDJ |
438 | |
439 | /* Set the value of the internal variable $_exitsignal, | |
440 | which holds the signal uncaught by the inferior. */ | |
441 | set_internalvar_integer (lookup_internalvar ("_exitsignal"), | |
442 | siggy); | |
423ec54c | 443 | } |
c906108c | 444 | |
87ab71f0 PA |
445 | /* Fetch all registers from core file. */ |
446 | target_fetch_registers (get_current_regcache (), -1); | |
c906108c | 447 | |
87ab71f0 PA |
448 | /* Now, set up the frame cache, and print the top of stack. */ |
449 | reinit_frame_cache (); | |
08d72866 | 450 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1); |
f0e8c4c5 JK |
451 | |
452 | /* Current thread should be NUM 1 but the user does not know that. | |
453 | If a program is single threaded gdb in general does not mention | |
454 | anything about threads. That is why the test is >= 2. */ | |
455 | if (thread_count () >= 2) | |
456 | { | |
492d29ea | 457 | TRY |
f0e8c4c5 JK |
458 | { |
459 | thread_command (NULL, from_tty); | |
460 | } | |
492d29ea PA |
461 | CATCH (except, RETURN_MASK_ERROR) |
462 | { | |
463 | exception_print (gdb_stderr, except); | |
464 | } | |
465 | END_CATCH | |
f0e8c4c5 | 466 | } |
c906108c SS |
467 | } |
468 | ||
469 | static void | |
52554a0e | 470 | core_detach (struct target_ops *ops, const char *args, int from_tty) |
c906108c SS |
471 | { |
472 | if (args) | |
8a3fe4f8 | 473 | error (_("Too many arguments")); |
136d6dae | 474 | unpush_target (ops); |
c906108c SS |
475 | reinit_frame_cache (); |
476 | if (from_tty) | |
a3f17187 | 477 | printf_filtered (_("No core file now.\n")); |
c906108c SS |
478 | } |
479 | ||
de57eccd JM |
480 | /* Try to retrieve registers from a section in core_bfd, and supply |
481 | them to core_vec->core_read_registers, as the register set numbered | |
482 | WHICH. | |
483 | ||
11a33714 SM |
484 | If ptid's lwp member is zero, do the single-threaded |
485 | thing: look for a section named NAME. If ptid's lwp | |
0de3b513 PA |
486 | member is non-zero, do the multi-threaded thing: look for a section |
487 | named "NAME/LWP", where LWP is the shortest ASCII decimal | |
11a33714 | 488 | representation of ptid's lwp member. |
de57eccd JM |
489 | |
490 | HUMAN_NAME is a human-readable name for the kind of registers the | |
491 | NAME section contains, for use in error messages. | |
492 | ||
493 | If REQUIRED is non-zero, print an error if the core file doesn't | |
aff410f1 MS |
494 | have a section by the appropriate name. Otherwise, just do |
495 | nothing. */ | |
de57eccd JM |
496 | |
497 | static void | |
9eefc95f | 498 | get_core_register_section (struct regcache *regcache, |
8f0435f7 | 499 | const struct regset *regset, |
1b1818e4 | 500 | const char *name, |
8f0435f7 | 501 | int min_size, |
de57eccd | 502 | int which, |
1b1818e4 | 503 | const char *human_name, |
de57eccd JM |
504 | int required) |
505 | { | |
7be0c536 | 506 | struct bfd_section *section; |
de57eccd JM |
507 | bfd_size_type size; |
508 | char *contents; | |
874a1c8c AT |
509 | bool variable_size_section = (regset != NULL |
510 | && regset->flags & REGSET_VARIABLE_SIZE); | |
de57eccd | 511 | |
3c3ae77e | 512 | thread_section_name section_name (name, regcache->ptid ()); |
de57eccd | 513 | |
3c3ae77e | 514 | section = bfd_get_section_by_name (core_bfd, section_name.c_str ()); |
de57eccd JM |
515 | if (! section) |
516 | { | |
517 | if (required) | |
aff410f1 MS |
518 | warning (_("Couldn't find %s registers in core file."), |
519 | human_name); | |
de57eccd JM |
520 | return; |
521 | } | |
522 | ||
523 | size = bfd_section_size (core_bfd, section); | |
8f0435f7 AA |
524 | if (size < min_size) |
525 | { | |
3c3ae77e PA |
526 | warning (_("Section `%s' in core file too small."), |
527 | section_name.c_str ()); | |
8f0435f7 AA |
528 | return; |
529 | } | |
874a1c8c | 530 | if (size != min_size && !variable_size_section) |
f962539a AA |
531 | { |
532 | warning (_("Unexpected size of section `%s' in core file."), | |
3c3ae77e | 533 | section_name.c_str ()); |
f962539a | 534 | } |
8f0435f7 | 535 | |
224c3ddb | 536 | contents = (char *) alloca (size); |
de57eccd JM |
537 | if (! bfd_get_section_contents (core_bfd, section, contents, |
538 | (file_ptr) 0, size)) | |
539 | { | |
8a3fe4f8 | 540 | warning (_("Couldn't read %s registers from `%s' section in core file."), |
3c3ae77e | 541 | human_name, section_name.c_str ()); |
de57eccd JM |
542 | return; |
543 | } | |
544 | ||
8f0435f7 AA |
545 | if (regset != NULL) |
546 | { | |
9eefc95f | 547 | regset->supply_regset (regset, regcache, -1, contents, size); |
0e24ac5d MK |
548 | return; |
549 | } | |
550 | ||
551 | gdb_assert (core_vec); | |
9eefc95f | 552 | core_vec->core_read_registers (regcache, contents, size, which, |
de57eccd JM |
553 | ((CORE_ADDR) |
554 | bfd_section_vma (core_bfd, section))); | |
555 | } | |
556 | ||
5aa82d05 AA |
557 | /* Callback for get_core_registers that handles a single core file |
558 | register note section. */ | |
559 | ||
560 | static void | |
561 | get_core_registers_cb (const char *sect_name, int size, | |
8f0435f7 | 562 | const struct regset *regset, |
5aa82d05 AA |
563 | const char *human_name, void *cb_data) |
564 | { | |
565 | struct regcache *regcache = (struct regcache *) cb_data; | |
8f0435f7 | 566 | int required = 0; |
5aa82d05 AA |
567 | |
568 | if (strcmp (sect_name, ".reg") == 0) | |
8f0435f7 AA |
569 | { |
570 | required = 1; | |
571 | if (human_name == NULL) | |
572 | human_name = "general-purpose"; | |
573 | } | |
5aa82d05 | 574 | else if (strcmp (sect_name, ".reg2") == 0) |
8f0435f7 AA |
575 | { |
576 | if (human_name == NULL) | |
577 | human_name = "floating-point"; | |
578 | } | |
579 | ||
580 | /* The 'which' parameter is only used when no regset is provided. | |
581 | Thus we just set it to -1. */ | |
582 | get_core_register_section (regcache, regset, sect_name, | |
583 | size, -1, human_name, required); | |
5aa82d05 | 584 | } |
de57eccd | 585 | |
c906108c SS |
586 | /* Get the registers out of a core file. This is the machine- |
587 | independent part. Fetch_core_registers is the machine-dependent | |
aff410f1 MS |
588 | part, typically implemented in the xm-file for each |
589 | architecture. */ | |
c906108c SS |
590 | |
591 | /* We just get all the registers, so we don't use regno. */ | |
592 | ||
c906108c | 593 | static void |
28439f5e PA |
594 | get_core_registers (struct target_ops *ops, |
595 | struct regcache *regcache, int regno) | |
c906108c | 596 | { |
9c5ea4d9 | 597 | int i; |
5aa82d05 | 598 | struct gdbarch *gdbarch; |
c906108c | 599 | |
29082443 | 600 | if (!(core_gdbarch && gdbarch_iterate_over_regset_sections_p (core_gdbarch)) |
0e24ac5d | 601 | && (core_vec == NULL || core_vec->core_read_registers == NULL)) |
c906108c SS |
602 | { |
603 | fprintf_filtered (gdb_stderr, | |
c5aa993b | 604 | "Can't fetch registers from this type of core file\n"); |
c906108c SS |
605 | return; |
606 | } | |
607 | ||
5aa82d05 AA |
608 | gdbarch = get_regcache_arch (regcache); |
609 | if (gdbarch_iterate_over_regset_sections_p (gdbarch)) | |
610 | gdbarch_iterate_over_regset_sections (gdbarch, | |
611 | get_core_registers_cb, | |
612 | (void *) regcache, NULL); | |
1b1818e4 UW |
613 | else |
614 | { | |
8f0435f7 AA |
615 | get_core_register_section (regcache, NULL, |
616 | ".reg", 0, 0, "general-purpose", 1); | |
617 | get_core_register_section (regcache, NULL, | |
618 | ".reg2", 0, 2, "floating-point", 0); | |
1b1818e4 | 619 | } |
c906108c | 620 | |
ee99023e | 621 | /* Mark all registers not found in the core as unavailable. */ |
13b8769f | 622 | for (i = 0; i < gdbarch_num_regs (get_regcache_arch (regcache)); i++) |
ee99023e | 623 | if (regcache_register_status (regcache, i) == REG_UNKNOWN) |
9c5ea4d9 | 624 | regcache_raw_supply (regcache, i, NULL); |
c906108c SS |
625 | } |
626 | ||
c906108c | 627 | static void |
fba45db2 | 628 | core_files_info (struct target_ops *t) |
c906108c | 629 | { |
07b82ea5 | 630 | print_section_info (core_data, core_bfd); |
c906108c | 631 | } |
e2544d02 | 632 | \f |
efcbbd14 UW |
633 | struct spuid_list |
634 | { | |
635 | gdb_byte *buf; | |
636 | ULONGEST offset; | |
637 | LONGEST len; | |
638 | ULONGEST pos; | |
639 | ULONGEST written; | |
640 | }; | |
641 | ||
642 | static void | |
643 | add_to_spuid_list (bfd *abfd, asection *asect, void *list_p) | |
644 | { | |
9a3c8263 | 645 | struct spuid_list *list = (struct spuid_list *) list_p; |
efcbbd14 | 646 | enum bfd_endian byte_order |
aff410f1 | 647 | = bfd_big_endian (abfd) ? BFD_ENDIAN_BIG : BFD_ENDIAN_LITTLE; |
efcbbd14 UW |
648 | int fd, pos = 0; |
649 | ||
650 | sscanf (bfd_section_name (abfd, asect), "SPU/%d/regs%n", &fd, &pos); | |
651 | if (pos == 0) | |
652 | return; | |
653 | ||
654 | if (list->pos >= list->offset && list->pos + 4 <= list->offset + list->len) | |
655 | { | |
656 | store_unsigned_integer (list->buf + list->pos - list->offset, | |
657 | 4, byte_order, fd); | |
658 | list->written += 4; | |
659 | } | |
660 | list->pos += 4; | |
661 | } | |
662 | ||
9b409511 | 663 | static enum target_xfer_status |
e2544d02 | 664 | core_xfer_partial (struct target_ops *ops, enum target_object object, |
961cb7b5 | 665 | const char *annex, gdb_byte *readbuf, |
aff410f1 | 666 | const gdb_byte *writebuf, ULONGEST offset, |
9b409511 | 667 | ULONGEST len, ULONGEST *xfered_len) |
e2544d02 RM |
668 | { |
669 | switch (object) | |
670 | { | |
671 | case TARGET_OBJECT_MEMORY: | |
07b82ea5 | 672 | return section_table_xfer_memory_partial (readbuf, writebuf, |
9b409511 | 673 | offset, len, xfered_len, |
07b82ea5 PA |
674 | core_data->sections, |
675 | core_data->sections_end, | |
676 | NULL); | |
e2544d02 RM |
677 | |
678 | case TARGET_OBJECT_AUXV: | |
679 | if (readbuf) | |
680 | { | |
681 | /* When the aux vector is stored in core file, BFD | |
682 | represents this with a fake section called ".auxv". */ | |
683 | ||
c4c5b7ba | 684 | struct bfd_section *section; |
e2544d02 | 685 | bfd_size_type size; |
e2544d02 RM |
686 | |
687 | section = bfd_get_section_by_name (core_bfd, ".auxv"); | |
688 | if (section == NULL) | |
2ed4b548 | 689 | return TARGET_XFER_E_IO; |
e2544d02 RM |
690 | |
691 | size = bfd_section_size (core_bfd, section); | |
692 | if (offset >= size) | |
9b409511 | 693 | return TARGET_XFER_EOF; |
e2544d02 RM |
694 | size -= offset; |
695 | if (size > len) | |
696 | size = len; | |
9b409511 YQ |
697 | |
698 | if (size == 0) | |
699 | return TARGET_XFER_EOF; | |
700 | if (!bfd_get_section_contents (core_bfd, section, readbuf, | |
701 | (file_ptr) offset, size)) | |
e2544d02 | 702 | { |
8a3fe4f8 | 703 | warning (_("Couldn't read NT_AUXV note in core file.")); |
2ed4b548 | 704 | return TARGET_XFER_E_IO; |
e2544d02 RM |
705 | } |
706 | ||
9b409511 YQ |
707 | *xfered_len = (ULONGEST) size; |
708 | return TARGET_XFER_OK; | |
e2544d02 | 709 | } |
2ed4b548 | 710 | return TARGET_XFER_E_IO; |
e2544d02 | 711 | |
403e1656 MK |
712 | case TARGET_OBJECT_WCOOKIE: |
713 | if (readbuf) | |
714 | { | |
715 | /* When the StackGhost cookie is stored in core file, BFD | |
aff410f1 MS |
716 | represents this with a fake section called |
717 | ".wcookie". */ | |
403e1656 MK |
718 | |
719 | struct bfd_section *section; | |
720 | bfd_size_type size; | |
403e1656 MK |
721 | |
722 | section = bfd_get_section_by_name (core_bfd, ".wcookie"); | |
723 | if (section == NULL) | |
2ed4b548 | 724 | return TARGET_XFER_E_IO; |
403e1656 MK |
725 | |
726 | size = bfd_section_size (core_bfd, section); | |
727 | if (offset >= size) | |
96c4f946 | 728 | return TARGET_XFER_EOF; |
403e1656 MK |
729 | size -= offset; |
730 | if (size > len) | |
731 | size = len; | |
9b409511 YQ |
732 | |
733 | if (size == 0) | |
734 | return TARGET_XFER_EOF; | |
735 | if (!bfd_get_section_contents (core_bfd, section, readbuf, | |
736 | (file_ptr) offset, size)) | |
403e1656 | 737 | { |
8a3fe4f8 | 738 | warning (_("Couldn't read StackGhost cookie in core file.")); |
2ed4b548 | 739 | return TARGET_XFER_E_IO; |
403e1656 MK |
740 | } |
741 | ||
9b409511 YQ |
742 | *xfered_len = (ULONGEST) size; |
743 | return TARGET_XFER_OK; | |
744 | ||
403e1656 | 745 | } |
2ed4b548 | 746 | return TARGET_XFER_E_IO; |
403e1656 | 747 | |
de584861 PA |
748 | case TARGET_OBJECT_LIBRARIES: |
749 | if (core_gdbarch | |
750 | && gdbarch_core_xfer_shared_libraries_p (core_gdbarch)) | |
751 | { | |
752 | if (writebuf) | |
2ed4b548 | 753 | return TARGET_XFER_E_IO; |
9b409511 YQ |
754 | else |
755 | { | |
756 | *xfered_len = gdbarch_core_xfer_shared_libraries (core_gdbarch, | |
757 | readbuf, | |
758 | offset, len); | |
759 | ||
760 | if (*xfered_len == 0) | |
761 | return TARGET_XFER_EOF; | |
762 | else | |
763 | return TARGET_XFER_OK; | |
764 | } | |
de584861 PA |
765 | } |
766 | /* FALL THROUGH */ | |
767 | ||
356a5233 JB |
768 | case TARGET_OBJECT_LIBRARIES_AIX: |
769 | if (core_gdbarch | |
770 | && gdbarch_core_xfer_shared_libraries_aix_p (core_gdbarch)) | |
771 | { | |
772 | if (writebuf) | |
2ed4b548 | 773 | return TARGET_XFER_E_IO; |
9b409511 YQ |
774 | else |
775 | { | |
776 | *xfered_len | |
777 | = gdbarch_core_xfer_shared_libraries_aix (core_gdbarch, | |
778 | readbuf, offset, | |
779 | len); | |
780 | ||
781 | if (*xfered_len == 0) | |
782 | return TARGET_XFER_EOF; | |
783 | else | |
784 | return TARGET_XFER_OK; | |
785 | } | |
356a5233 JB |
786 | } |
787 | /* FALL THROUGH */ | |
788 | ||
efcbbd14 UW |
789 | case TARGET_OBJECT_SPU: |
790 | if (readbuf && annex) | |
791 | { | |
792 | /* When the SPU contexts are stored in a core file, BFD | |
aff410f1 MS |
793 | represents this with a fake section called |
794 | "SPU/<annex>". */ | |
efcbbd14 UW |
795 | |
796 | struct bfd_section *section; | |
797 | bfd_size_type size; | |
efcbbd14 | 798 | char sectionstr[100]; |
c5504eaf | 799 | |
efcbbd14 UW |
800 | xsnprintf (sectionstr, sizeof sectionstr, "SPU/%s", annex); |
801 | ||
802 | section = bfd_get_section_by_name (core_bfd, sectionstr); | |
803 | if (section == NULL) | |
2ed4b548 | 804 | return TARGET_XFER_E_IO; |
efcbbd14 UW |
805 | |
806 | size = bfd_section_size (core_bfd, section); | |
807 | if (offset >= size) | |
9b409511 | 808 | return TARGET_XFER_EOF; |
efcbbd14 UW |
809 | size -= offset; |
810 | if (size > len) | |
811 | size = len; | |
9b409511 YQ |
812 | |
813 | if (size == 0) | |
814 | return TARGET_XFER_EOF; | |
815 | if (!bfd_get_section_contents (core_bfd, section, readbuf, | |
816 | (file_ptr) offset, size)) | |
efcbbd14 UW |
817 | { |
818 | warning (_("Couldn't read SPU section in core file.")); | |
2ed4b548 | 819 | return TARGET_XFER_E_IO; |
efcbbd14 UW |
820 | } |
821 | ||
9b409511 YQ |
822 | *xfered_len = (ULONGEST) size; |
823 | return TARGET_XFER_OK; | |
efcbbd14 UW |
824 | } |
825 | else if (readbuf) | |
826 | { | |
827 | /* NULL annex requests list of all present spuids. */ | |
828 | struct spuid_list list; | |
c5504eaf | 829 | |
efcbbd14 UW |
830 | list.buf = readbuf; |
831 | list.offset = offset; | |
832 | list.len = len; | |
833 | list.pos = 0; | |
834 | list.written = 0; | |
835 | bfd_map_over_sections (core_bfd, add_to_spuid_list, &list); | |
9b409511 YQ |
836 | |
837 | if (list.written == 0) | |
838 | return TARGET_XFER_EOF; | |
839 | else | |
840 | { | |
841 | *xfered_len = (ULONGEST) list.written; | |
842 | return TARGET_XFER_OK; | |
843 | } | |
efcbbd14 | 844 | } |
2ed4b548 | 845 | return TARGET_XFER_E_IO; |
efcbbd14 | 846 | |
9015683b TT |
847 | case TARGET_OBJECT_SIGNAL_INFO: |
848 | if (readbuf) | |
9b409511 | 849 | { |
382b69bb JB |
850 | if (core_gdbarch |
851 | && gdbarch_core_xfer_siginfo_p (core_gdbarch)) | |
9b409511 | 852 | { |
382b69bb JB |
853 | LONGEST l = gdbarch_core_xfer_siginfo (core_gdbarch, readbuf, |
854 | offset, len); | |
855 | ||
856 | if (l >= 0) | |
857 | { | |
858 | *xfered_len = l; | |
859 | if (l == 0) | |
860 | return TARGET_XFER_EOF; | |
861 | else | |
862 | return TARGET_XFER_OK; | |
863 | } | |
9b409511 YQ |
864 | } |
865 | } | |
2ed4b548 | 866 | return TARGET_XFER_E_IO; |
9015683b | 867 | |
e2544d02 | 868 | default: |
e75fdfca TT |
869 | return ops->beneath->to_xfer_partial (ops->beneath, object, |
870 | annex, readbuf, | |
871 | writebuf, offset, len, | |
872 | xfered_len); | |
e2544d02 RM |
873 | } |
874 | } | |
875 | ||
c906108c SS |
876 | \f |
877 | /* If mourn is being called in all the right places, this could be say | |
aff410f1 MS |
878 | `gdb internal error' (since generic_mourn calls |
879 | breakpoint_init_inferior). */ | |
c906108c SS |
880 | |
881 | static int | |
3db08215 MM |
882 | ignore (struct target_ops *ops, struct gdbarch *gdbarch, |
883 | struct bp_target_info *bp_tgt) | |
c906108c SS |
884 | { |
885 | return 0; | |
886 | } | |
887 | ||
73971819 PA |
888 | /* Implement the to_remove_breakpoint method. */ |
889 | ||
890 | static int | |
891 | core_remove_breakpoint (struct target_ops *ops, struct gdbarch *gdbarch, | |
892 | struct bp_target_info *bp_tgt, | |
893 | enum remove_bp_reason reason) | |
894 | { | |
895 | return 0; | |
896 | } | |
897 | ||
c906108c SS |
898 | |
899 | /* Okay, let's be honest: threads gleaned from a core file aren't | |
900 | exactly lively, are they? On the other hand, if we don't claim | |
901 | that each & every one is alive, then we don't get any of them | |
902 | to appear in an "info thread" command, which is quite a useful | |
903 | behaviour. | |
c5aa993b | 904 | */ |
c906108c | 905 | static int |
28439f5e | 906 | core_thread_alive (struct target_ops *ops, ptid_t ptid) |
c906108c SS |
907 | { |
908 | return 1; | |
909 | } | |
910 | ||
4eb0ad19 DJ |
911 | /* Ask the current architecture what it knows about this core file. |
912 | That will be used, in turn, to pick a better architecture. This | |
913 | wrapper could be avoided if targets got a chance to specialize | |
914 | core_ops. */ | |
915 | ||
916 | static const struct target_desc * | |
917 | core_read_description (struct target_ops *target) | |
918 | { | |
a78c2d62 | 919 | if (core_gdbarch && gdbarch_core_read_description_p (core_gdbarch)) |
2117c711 TT |
920 | { |
921 | const struct target_desc *result; | |
922 | ||
923 | result = gdbarch_core_read_description (core_gdbarch, | |
924 | target, core_bfd); | |
925 | if (result != NULL) | |
926 | return result; | |
927 | } | |
4eb0ad19 | 928 | |
2117c711 | 929 | return target->beneath->to_read_description (target->beneath); |
4eb0ad19 DJ |
930 | } |
931 | ||
7a114964 | 932 | static const char * |
117de6a9 | 933 | core_pid_to_str (struct target_ops *ops, ptid_t ptid) |
0de3b513 PA |
934 | { |
935 | static char buf[64]; | |
88f38a04 | 936 | struct inferior *inf; |
a5ee0f0c | 937 | int pid; |
0de3b513 | 938 | |
a5ee0f0c PA |
939 | /* The preferred way is to have a gdbarch/OS specific |
940 | implementation. */ | |
28439f5e PA |
941 | if (core_gdbarch |
942 | && gdbarch_core_pid_to_str_p (core_gdbarch)) | |
a5ee0f0c | 943 | return gdbarch_core_pid_to_str (core_gdbarch, ptid); |
c5504eaf | 944 | |
a5ee0f0c PA |
945 | /* Otherwise, if we don't have one, we'll just fallback to |
946 | "process", with normal_pid_to_str. */ | |
28439f5e | 947 | |
a5ee0f0c PA |
948 | /* Try the LWPID field first. */ |
949 | pid = ptid_get_lwp (ptid); | |
950 | if (pid != 0) | |
951 | return normal_pid_to_str (pid_to_ptid (pid)); | |
952 | ||
953 | /* Otherwise, this isn't a "threaded" core -- use the PID field, but | |
954 | only if it isn't a fake PID. */ | |
c9657e70 | 955 | inf = find_inferior_ptid (ptid); |
88f38a04 | 956 | if (inf != NULL && !inf->fake_pid_p) |
a5ee0f0c | 957 | return normal_pid_to_str (ptid); |
0de3b513 | 958 | |
a5ee0f0c PA |
959 | /* No luck. We simply don't have a valid PID to print. */ |
960 | xsnprintf (buf, sizeof buf, "<main task>"); | |
0de3b513 PA |
961 | return buf; |
962 | } | |
963 | ||
4dfc5dbc JB |
964 | static const char * |
965 | core_thread_name (struct target_ops *self, struct thread_info *thr) | |
966 | { | |
967 | if (core_gdbarch | |
968 | && gdbarch_core_thread_name_p (core_gdbarch)) | |
969 | return gdbarch_core_thread_name (core_gdbarch, thr); | |
970 | return NULL; | |
971 | } | |
972 | ||
c35b1492 PA |
973 | static int |
974 | core_has_memory (struct target_ops *ops) | |
975 | { | |
976 | return (core_bfd != NULL); | |
977 | } | |
978 | ||
979 | static int | |
980 | core_has_stack (struct target_ops *ops) | |
981 | { | |
982 | return (core_bfd != NULL); | |
983 | } | |
984 | ||
985 | static int | |
986 | core_has_registers (struct target_ops *ops) | |
987 | { | |
988 | return (core_bfd != NULL); | |
989 | } | |
990 | ||
451b7c33 TT |
991 | /* Implement the to_info_proc method. */ |
992 | ||
993 | static void | |
7bc112c1 TT |
994 | core_info_proc (struct target_ops *ops, const char *args, |
995 | enum info_proc_what request) | |
451b7c33 TT |
996 | { |
997 | struct gdbarch *gdbarch = get_current_arch (); | |
998 | ||
999 | /* Since this is the core file target, call the 'core_info_proc' | |
1000 | method on gdbarch, not 'info_proc'. */ | |
1001 | if (gdbarch_core_info_proc_p (gdbarch)) | |
1002 | gdbarch_core_info_proc (gdbarch, args, request); | |
1003 | } | |
1004 | ||
c906108c SS |
1005 | /* Fill in core_ops with its defined operations and properties. */ |
1006 | ||
1007 | static void | |
fba45db2 | 1008 | init_core_ops (void) |
c906108c SS |
1009 | { |
1010 | core_ops.to_shortname = "core"; | |
1011 | core_ops.to_longname = "Local core dump file"; | |
1012 | core_ops.to_doc = | |
1013 | "Use a core file as a target. Specify the filename of the core file."; | |
1014 | core_ops.to_open = core_open; | |
1015 | core_ops.to_close = core_close; | |
c906108c | 1016 | core_ops.to_detach = core_detach; |
c906108c | 1017 | core_ops.to_fetch_registers = get_core_registers; |
e2544d02 | 1018 | core_ops.to_xfer_partial = core_xfer_partial; |
c906108c SS |
1019 | core_ops.to_files_info = core_files_info; |
1020 | core_ops.to_insert_breakpoint = ignore; | |
73971819 | 1021 | core_ops.to_remove_breakpoint = core_remove_breakpoint; |
28439f5e | 1022 | core_ops.to_thread_alive = core_thread_alive; |
4eb0ad19 | 1023 | core_ops.to_read_description = core_read_description; |
0de3b513 | 1024 | core_ops.to_pid_to_str = core_pid_to_str; |
4dfc5dbc | 1025 | core_ops.to_thread_name = core_thread_name; |
c0edd9ed | 1026 | core_ops.to_stratum = process_stratum; |
c35b1492 PA |
1027 | core_ops.to_has_memory = core_has_memory; |
1028 | core_ops.to_has_stack = core_has_stack; | |
1029 | core_ops.to_has_registers = core_has_registers; | |
451b7c33 | 1030 | core_ops.to_info_proc = core_info_proc; |
c5aa993b | 1031 | core_ops.to_magic = OPS_MAGIC; |
c0edd9ed JK |
1032 | |
1033 | if (core_target) | |
1034 | internal_error (__FILE__, __LINE__, | |
1035 | _("init_core_ops: core target already exists (\"%s\")."), | |
1036 | core_target->to_longname); | |
1037 | core_target = &core_ops; | |
c906108c SS |
1038 | } |
1039 | ||
c906108c | 1040 | void |
fba45db2 | 1041 | _initialize_corelow (void) |
c906108c SS |
1042 | { |
1043 | init_core_ops (); | |
1044 | ||
9852c492 | 1045 | add_target_with_completer (&core_ops, filename_completer); |
c906108c | 1046 | } |