Commit | Line | Data |
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c906108c | 1 | /* Core dump and executable file functions below target vector, for GDB. |
8e6a3c35 | 2 | Copyright 1986, 87, 89, 91, 92, 93, 94, 95, 96, 97, 1998, 2000 |
c906108c SS |
3 | Free Software Foundation, Inc. |
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 | |
9 | the Free Software Foundation; either version 2 of the License, or | |
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 JM |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | #include "defs.h" | |
23 | #include "gdb_string.h" | |
24 | #include <errno.h> | |
25 | #include <signal.h> | |
26 | #include <fcntl.h> | |
c5aa993b | 27 | #include "frame.h" /* required by inferior.h */ |
c906108c SS |
28 | #include "inferior.h" |
29 | #include "symtab.h" | |
30 | #include "command.h" | |
31 | #include "bfd.h" | |
32 | #include "target.h" | |
33 | #include "gdbcore.h" | |
34 | #include "gdbthread.h" | |
35 | ||
36 | /* List of all available core_fns. On gdb startup, each core file register | |
37 | reader calls add_core_fns() to register information on each core format it | |
38 | is prepared to read. */ | |
39 | ||
40 | static struct core_fns *core_file_fns = NULL; | |
41 | ||
2acceee2 JM |
42 | /* The core_fns for a core file handler that is prepared to read the core |
43 | file currently open on core_bfd. */ | |
44 | ||
45 | static struct core_fns *core_vec = NULL; | |
46 | ||
a14ed312 | 47 | static void core_files_info (struct target_ops *); |
c906108c SS |
48 | |
49 | #ifdef SOLIB_ADD | |
a14ed312 | 50 | static int solib_add_stub (PTR); |
c906108c SS |
51 | #endif |
52 | ||
a14ed312 | 53 | static struct core_fns *sniff_core_bfd (bfd *); |
2acceee2 | 54 | |
a14ed312 | 55 | static boolean gdb_check_format (bfd *); |
2acceee2 | 56 | |
a14ed312 | 57 | static void core_open (char *, int); |
c906108c | 58 | |
a14ed312 | 59 | static void core_detach (char *, int); |
c906108c | 60 | |
a14ed312 | 61 | static void core_close (int); |
c906108c | 62 | |
74b7792f AC |
63 | static void core_close_cleanup (void *ignore); |
64 | ||
a14ed312 | 65 | static void get_core_registers (int); |
c906108c | 66 | |
a14ed312 | 67 | static void add_to_thread_list (bfd *, asection *, PTR); |
c906108c | 68 | |
a14ed312 | 69 | static int ignore (CORE_ADDR, char *); |
c906108c | 70 | |
a14ed312 | 71 | static char *core_file_to_sym_file (char *); |
c906108c | 72 | |
a14ed312 | 73 | static int core_file_thread_alive (int tid); |
c906108c | 74 | |
a14ed312 | 75 | static void init_core_ops (void); |
c906108c | 76 | |
a14ed312 | 77 | void _initialize_corelow (void); |
c906108c SS |
78 | |
79 | struct target_ops core_ops; | |
80 | ||
81 | /* Link a new core_fns into the global core_file_fns list. Called on gdb | |
82 | startup by the _initialize routine in each core file register reader, to | |
83 | register information about each format the the reader is prepared to | |
84 | handle. */ | |
85 | ||
86 | void | |
fba45db2 | 87 | add_core_fns (struct core_fns *cf) |
c906108c | 88 | { |
c5aa993b | 89 | cf->next = core_file_fns; |
c906108c SS |
90 | core_file_fns = cf; |
91 | } | |
92 | ||
2acceee2 JM |
93 | /* The default function that core file handlers can use to examine a |
94 | core file BFD and decide whether or not to accept the job of | |
95 | reading the core file. */ | |
96 | ||
97 | int | |
fba45db2 | 98 | default_core_sniffer (struct core_fns *our_fns, bfd *abfd) |
2acceee2 JM |
99 | { |
100 | int result; | |
101 | ||
102 | result = (bfd_get_flavour (abfd) == our_fns -> core_flavour); | |
103 | return (result); | |
104 | } | |
105 | ||
106 | /* Walk through the list of core functions to find a set that can | |
107 | handle the core file open on ABFD. Default to the first one in the | |
108 | list of nothing matches. Returns pointer to set that is | |
109 | selected. */ | |
110 | ||
111 | static struct core_fns * | |
fba45db2 | 112 | sniff_core_bfd (bfd *abfd) |
2acceee2 JM |
113 | { |
114 | struct core_fns *cf; | |
115 | struct core_fns *yummy = NULL; | |
116 | int matches = 0;; | |
117 | ||
118 | for (cf = core_file_fns; cf != NULL; cf = cf->next) | |
119 | { | |
120 | if (cf->core_sniffer (cf, abfd)) | |
121 | { | |
122 | yummy = cf; | |
123 | matches++; | |
124 | } | |
125 | } | |
126 | if (matches > 1) | |
127 | { | |
128 | warning ("\"%s\": ambiguous core format, %d handlers match", | |
129 | bfd_get_filename (abfd), matches); | |
130 | } | |
131 | else if (matches == 0) | |
132 | { | |
133 | warning ("\"%s\": no core file handler recognizes format, using default", | |
134 | bfd_get_filename (abfd)); | |
135 | } | |
136 | if (yummy == NULL) | |
137 | { | |
138 | yummy = core_file_fns; | |
139 | } | |
140 | return (yummy); | |
141 | } | |
142 | ||
143 | /* The default is to reject every core file format we see. Either | |
144 | BFD has to recognize it, or we have to provide a function in the | |
145 | core file handler that recognizes it. */ | |
146 | ||
147 | int | |
fba45db2 | 148 | default_check_format (bfd *abfd) |
2acceee2 JM |
149 | { |
150 | return (0); | |
151 | } | |
152 | ||
153 | /* Attempt to recognize core file formats that BFD rejects. */ | |
154 | ||
155 | static boolean | |
fba45db2 | 156 | gdb_check_format (bfd *abfd) |
2acceee2 JM |
157 | { |
158 | struct core_fns *cf; | |
159 | ||
160 | for (cf = core_file_fns; cf != NULL; cf = cf->next) | |
161 | { | |
162 | if (cf->check_format (abfd)) | |
163 | { | |
164 | return (true); | |
165 | } | |
166 | } | |
167 | return (false); | |
168 | } | |
c906108c SS |
169 | |
170 | /* Discard all vestiges of any previous core file and mark data and stack | |
171 | spaces as empty. */ | |
172 | ||
173 | /* ARGSUSED */ | |
174 | static void | |
fba45db2 | 175 | core_close (int quitting) |
c906108c SS |
176 | { |
177 | char *name; | |
178 | ||
179 | if (core_bfd) | |
180 | { | |
181 | inferior_pid = 0; /* Avoid confusion from thread stuff */ | |
182 | ||
7a292a7a | 183 | /* Clear out solib state while the bfd is still open. See |
c5aa993b | 184 | comments in clear_solib in solib.c. */ |
7a292a7a SS |
185 | #ifdef CLEAR_SOLIB |
186 | CLEAR_SOLIB (); | |
187 | #endif | |
188 | ||
c906108c SS |
189 | name = bfd_get_filename (core_bfd); |
190 | if (!bfd_close (core_bfd)) | |
191 | warning ("cannot close \"%s\": %s", | |
192 | name, bfd_errmsg (bfd_get_error ())); | |
193 | free (name); | |
194 | core_bfd = NULL; | |
c906108c SS |
195 | if (core_ops.to_sections) |
196 | { | |
c5aa993b | 197 | free ((PTR) core_ops.to_sections); |
c906108c SS |
198 | core_ops.to_sections = NULL; |
199 | core_ops.to_sections_end = NULL; | |
200 | } | |
201 | } | |
2acceee2 | 202 | core_vec = NULL; |
c906108c SS |
203 | } |
204 | ||
74b7792f AC |
205 | static void |
206 | core_close_cleanup (void *ignore) | |
207 | { | |
208 | core_close (0/*ignored*/); | |
209 | } | |
210 | ||
c906108c SS |
211 | #ifdef SOLIB_ADD |
212 | /* Stub function for catch_errors around shared library hacking. FROM_TTYP | |
213 | is really an int * which points to from_tty. */ | |
214 | ||
c5aa993b | 215 | static int |
fba45db2 | 216 | solib_add_stub (PTR from_ttyp) |
c906108c | 217 | { |
c5aa993b | 218 | SOLIB_ADD (NULL, *(int *) from_ttyp, ¤t_target); |
c906108c SS |
219 | re_enable_breakpoints_in_shlibs (); |
220 | return 0; | |
221 | } | |
222 | #endif /* SOLIB_ADD */ | |
223 | ||
224 | /* Look for sections whose names start with `.reg/' so that we can extract the | |
225 | list of threads in a core file. */ | |
226 | ||
227 | static void | |
fba45db2 | 228 | add_to_thread_list (bfd *abfd, asection *asect, PTR reg_sect_arg) |
c906108c SS |
229 | { |
230 | int thread_id; | |
231 | asection *reg_sect = (asection *) reg_sect_arg; | |
232 | ||
233 | if (strncmp (bfd_section_name (abfd, asect), ".reg/", 5) != 0) | |
234 | return; | |
235 | ||
236 | thread_id = atoi (bfd_section_name (abfd, asect) + 5); | |
237 | ||
238 | add_thread (thread_id); | |
239 | ||
240 | /* Warning, Will Robinson, looking at BFD private data! */ | |
241 | ||
242 | if (reg_sect != NULL | |
c5aa993b | 243 | && asect->filepos == reg_sect->filepos) /* Did we find .reg? */ |
c906108c SS |
244 | inferior_pid = thread_id; /* Yes, make it current */ |
245 | } | |
246 | ||
247 | /* This routine opens and sets up the core file bfd. */ | |
248 | ||
249 | static void | |
fba45db2 | 250 | core_open (char *filename, int from_tty) |
c906108c SS |
251 | { |
252 | const char *p; | |
253 | int siggy; | |
254 | struct cleanup *old_chain; | |
255 | char *temp; | |
256 | bfd *temp_bfd; | |
257 | int ontop; | |
258 | int scratch_chan; | |
259 | ||
260 | target_preopen (from_tty); | |
261 | if (!filename) | |
262 | { | |
c5aa993b JM |
263 | error (core_bfd ? |
264 | "No core file specified. (Use `detach' to stop debugging a core file.)" | |
265 | : "No core file specified."); | |
c906108c SS |
266 | } |
267 | ||
268 | filename = tilde_expand (filename); | |
269 | if (filename[0] != '/') | |
270 | { | |
271 | temp = concat (current_directory, "/", filename, NULL); | |
272 | free (filename); | |
273 | filename = temp; | |
274 | } | |
275 | ||
276 | old_chain = make_cleanup (free, filename); | |
277 | ||
278 | scratch_chan = open (filename, write_files ? O_RDWR : O_RDONLY, 0); | |
279 | if (scratch_chan < 0) | |
280 | perror_with_name (filename); | |
281 | ||
282 | temp_bfd = bfd_fdopenr (filename, gnutarget, scratch_chan); | |
283 | if (temp_bfd == NULL) | |
284 | perror_with_name (filename); | |
285 | ||
2acceee2 JM |
286 | if (!bfd_check_format (temp_bfd, bfd_core) && |
287 | !gdb_check_format (temp_bfd)) | |
c906108c SS |
288 | { |
289 | /* Do it after the err msg */ | |
290 | /* FIXME: should be checking for errors from bfd_close (for one thing, | |
c5aa993b JM |
291 | on error it does not free all the storage associated with the |
292 | bfd). */ | |
5c65bbb6 | 293 | make_cleanup_bfd_close (temp_bfd); |
c906108c SS |
294 | error ("\"%s\" is not a core dump: %s", |
295 | filename, bfd_errmsg (bfd_get_error ())); | |
296 | } | |
297 | ||
298 | /* Looks semi-reasonable. Toss the old core file and work on the new. */ | |
299 | ||
c5aa993b | 300 | discard_cleanups (old_chain); /* Don't free filename any more */ |
c906108c SS |
301 | unpush_target (&core_ops); |
302 | core_bfd = temp_bfd; | |
74b7792f | 303 | old_chain = make_cleanup (core_close_cleanup, 0 /*ignore*/); |
c906108c | 304 | |
2acceee2 JM |
305 | /* Find a suitable core file handler to munch on core_bfd */ |
306 | core_vec = sniff_core_bfd (core_bfd); | |
307 | ||
c906108c SS |
308 | validate_files (); |
309 | ||
310 | /* Find the data section */ | |
311 | if (build_section_table (core_bfd, &core_ops.to_sections, | |
312 | &core_ops.to_sections_end)) | |
313 | error ("\"%s\": Can't find sections: %s", | |
314 | bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ())); | |
315 | ||
cbda0a99 MS |
316 | set_gdbarch_from_file (core_bfd); |
317 | ||
c906108c SS |
318 | ontop = !push_target (&core_ops); |
319 | discard_cleanups (old_chain); | |
320 | ||
321 | p = bfd_core_file_failing_command (core_bfd); | |
322 | if (p) | |
323 | printf_filtered ("Core was generated by `%s'.\n", p); | |
324 | ||
325 | siggy = bfd_core_file_failing_signal (core_bfd); | |
326 | if (siggy > 0) | |
8e6a3c35 AC |
327 | /* NOTE: target_signal_from_host() converts a target signal value |
328 | into gdb's internal signal value. Unfortunatly gdb's internal | |
329 | value is called ``target_signal'' and this function got the | |
330 | name ..._from_host(). */ | |
c906108c | 331 | printf_filtered ("Program terminated with signal %d, %s.\n", siggy, |
8e6a3c35 | 332 | target_signal_to_string (target_signal_from_host (siggy))); |
c906108c SS |
333 | |
334 | /* Build up thread list from BFD sections. */ | |
335 | ||
336 | init_thread_list (); | |
337 | bfd_map_over_sections (core_bfd, add_to_thread_list, | |
338 | bfd_get_section_by_name (core_bfd, ".reg")); | |
339 | ||
340 | if (ontop) | |
341 | { | |
342 | /* Fetch all registers from core file. */ | |
343 | target_fetch_registers (-1); | |
344 | ||
345 | /* Add symbols and section mappings for any shared libraries. */ | |
346 | #ifdef SOLIB_ADD | |
c5aa993b | 347 | catch_errors (solib_add_stub, &from_tty, (char *) 0, |
c906108c SS |
348 | RETURN_MASK_ALL); |
349 | #endif | |
350 | ||
351 | /* Now, set up the frame cache, and print the top of stack. */ | |
352 | flush_cached_frames (); | |
353 | select_frame (get_current_frame (), 0); | |
354 | print_stack_frame (selected_frame, selected_frame_level, 1); | |
355 | } | |
356 | else | |
357 | { | |
358 | warning ( | |
c5aa993b | 359 | "you won't be able to access this core file until you terminate\n\ |
c906108c SS |
360 | your %s; do ``info files''", target_longname); |
361 | } | |
362 | } | |
363 | ||
364 | static void | |
fba45db2 | 365 | core_detach (char *args, int from_tty) |
c906108c SS |
366 | { |
367 | if (args) | |
368 | error ("Too many arguments"); | |
369 | unpush_target (&core_ops); | |
370 | reinit_frame_cache (); | |
371 | if (from_tty) | |
372 | printf_filtered ("No core file now.\n"); | |
373 | } | |
374 | ||
de57eccd JM |
375 | |
376 | /* Try to retrieve registers from a section in core_bfd, and supply | |
377 | them to core_vec->core_read_registers, as the register set numbered | |
378 | WHICH. | |
379 | ||
380 | If inferior_pid is zero, do the single-threaded thing: look for a | |
381 | section named NAME. If inferior_pid is non-zero, do the | |
382 | multi-threaded thing: look for a section named "NAME/PID", where | |
383 | PID is the shortest ASCII decimal representation of inferior_pid. | |
384 | ||
385 | HUMAN_NAME is a human-readable name for the kind of registers the | |
386 | NAME section contains, for use in error messages. | |
387 | ||
388 | If REQUIRED is non-zero, print an error if the core file doesn't | |
389 | have a section by the appropriate name. Otherwise, just do nothing. */ | |
390 | ||
391 | static void | |
392 | get_core_register_section (char *name, | |
393 | int which, | |
394 | char *human_name, | |
395 | int required) | |
396 | { | |
397 | char section_name[100]; | |
398 | sec_ptr section; | |
399 | bfd_size_type size; | |
400 | char *contents; | |
401 | ||
402 | if (inferior_pid) | |
403 | sprintf (section_name, "%s/%d", name, inferior_pid); | |
404 | else | |
405 | strcpy (section_name, name); | |
406 | ||
407 | section = bfd_get_section_by_name (core_bfd, section_name); | |
408 | if (! section) | |
409 | { | |
410 | if (required) | |
411 | warning ("Couldn't find %s registers in core file.\n", human_name); | |
412 | return; | |
413 | } | |
414 | ||
415 | size = bfd_section_size (core_bfd, section); | |
416 | contents = alloca (size); | |
417 | if (! bfd_get_section_contents (core_bfd, section, contents, | |
418 | (file_ptr) 0, size)) | |
419 | { | |
420 | warning ("Couldn't read %s registers from `%s' section in core file.\n", | |
421 | human_name, name); | |
422 | return; | |
423 | } | |
424 | ||
425 | core_vec->core_read_registers (contents, size, which, | |
426 | ((CORE_ADDR) | |
427 | bfd_section_vma (core_bfd, section))); | |
428 | } | |
429 | ||
430 | ||
c906108c SS |
431 | /* Get the registers out of a core file. This is the machine- |
432 | independent part. Fetch_core_registers is the machine-dependent | |
433 | part, typically implemented in the xm-file for each architecture. */ | |
434 | ||
435 | /* We just get all the registers, so we don't use regno. */ | |
436 | ||
437 | /* ARGSUSED */ | |
438 | static void | |
fba45db2 | 439 | get_core_registers (int regno) |
c906108c | 440 | { |
de57eccd | 441 | int status; |
c906108c | 442 | |
de57eccd JM |
443 | if (core_vec == NULL |
444 | || core_vec->core_read_registers == NULL) | |
c906108c SS |
445 | { |
446 | fprintf_filtered (gdb_stderr, | |
c5aa993b | 447 | "Can't fetch registers from this type of core file\n"); |
c906108c SS |
448 | return; |
449 | } | |
450 | ||
de57eccd JM |
451 | get_core_register_section (".reg", 0, "general-purpose", 1); |
452 | get_core_register_section (".reg2", 2, "floating-point", 0); | |
453 | get_core_register_section (".reg-xfp", 3, "extended floating-point", 0); | |
c906108c | 454 | |
c906108c SS |
455 | registers_fetched (); |
456 | } | |
457 | ||
458 | static char * | |
fba45db2 | 459 | core_file_to_sym_file (char *core) |
c906108c | 460 | { |
c5aa993b JM |
461 | CONST char *failing_command; |
462 | char *p; | |
463 | char *temp; | |
464 | bfd *temp_bfd; | |
465 | int scratch_chan; | |
c906108c | 466 | |
c5aa993b | 467 | if (!core) |
c906108c SS |
468 | error ("No core file specified."); |
469 | ||
470 | core = tilde_expand (core); | |
471 | if (core[0] != '/') | |
472 | { | |
473 | temp = concat (current_directory, "/", core, NULL); | |
474 | core = temp; | |
475 | } | |
476 | ||
477 | scratch_chan = open (core, write_files ? O_RDWR : O_RDONLY, 0); | |
478 | if (scratch_chan < 0) | |
479 | perror_with_name (core); | |
480 | ||
481 | temp_bfd = bfd_fdopenr (core, gnutarget, scratch_chan); | |
482 | if (temp_bfd == NULL) | |
483 | perror_with_name (core); | |
484 | ||
485 | if (!bfd_check_format (temp_bfd, bfd_core)) | |
486 | { | |
487 | /* Do it after the err msg */ | |
488 | /* FIXME: should be checking for errors from bfd_close (for one thing, | |
c5aa993b JM |
489 | on error it does not free all the storage associated with the |
490 | bfd). */ | |
5c65bbb6 | 491 | make_cleanup_bfd_close (temp_bfd); |
c906108c SS |
492 | error ("\"%s\" is not a core dump: %s", |
493 | core, bfd_errmsg (bfd_get_error ())); | |
494 | } | |
495 | ||
496 | /* Find the data section */ | |
497 | if (build_section_table (temp_bfd, &core_ops.to_sections, | |
498 | &core_ops.to_sections_end)) | |
499 | error ("\"%s\": Can't find sections: %s", | |
500 | bfd_get_filename (temp_bfd), bfd_errmsg (bfd_get_error ())); | |
501 | ||
502 | failing_command = bfd_core_file_failing_command (temp_bfd); | |
503 | ||
504 | bfd_close (temp_bfd); | |
505 | ||
506 | /* If we found a filename, remember that it is probably saved | |
507 | relative to the executable that created it. If working directory | |
508 | isn't there now, we may not be able to find the executable. Rather | |
509 | than trying to be sauve about finding it, just check if the file | |
510 | exists where we are now. If not, then punt and tell our client | |
511 | we couldn't find the sym file. | |
c5aa993b | 512 | */ |
c906108c SS |
513 | p = (char *) failing_command; |
514 | if ((p != NULL) && (access (p, F_OK) != 0)) | |
515 | p = NULL; | |
516 | ||
517 | return p; | |
518 | } | |
519 | ||
520 | static void | |
fba45db2 | 521 | core_files_info (struct target_ops *t) |
c906108c SS |
522 | { |
523 | print_section_info (t, core_bfd); | |
524 | } | |
525 | \f | |
526 | /* If mourn is being called in all the right places, this could be say | |
527 | `gdb internal error' (since generic_mourn calls breakpoint_init_inferior). */ | |
528 | ||
529 | static int | |
fba45db2 | 530 | ignore (CORE_ADDR addr, char *contents) |
c906108c SS |
531 | { |
532 | return 0; | |
533 | } | |
534 | ||
535 | ||
536 | /* Okay, let's be honest: threads gleaned from a core file aren't | |
537 | exactly lively, are they? On the other hand, if we don't claim | |
538 | that each & every one is alive, then we don't get any of them | |
539 | to appear in an "info thread" command, which is quite a useful | |
540 | behaviour. | |
c5aa993b | 541 | */ |
c906108c | 542 | static int |
fba45db2 | 543 | core_file_thread_alive (int tid) |
c906108c SS |
544 | { |
545 | return 1; | |
546 | } | |
547 | ||
548 | /* Fill in core_ops with its defined operations and properties. */ | |
549 | ||
550 | static void | |
fba45db2 | 551 | init_core_ops (void) |
c906108c SS |
552 | { |
553 | core_ops.to_shortname = "core"; | |
554 | core_ops.to_longname = "Local core dump file"; | |
555 | core_ops.to_doc = | |
556 | "Use a core file as a target. Specify the filename of the core file."; | |
557 | core_ops.to_open = core_open; | |
558 | core_ops.to_close = core_close; | |
559 | core_ops.to_attach = find_default_attach; | |
560 | core_ops.to_require_attach = find_default_require_attach; | |
561 | core_ops.to_detach = core_detach; | |
562 | core_ops.to_require_detach = find_default_require_detach; | |
563 | core_ops.to_fetch_registers = get_core_registers; | |
564 | core_ops.to_xfer_memory = xfer_memory; | |
565 | core_ops.to_files_info = core_files_info; | |
566 | core_ops.to_insert_breakpoint = ignore; | |
567 | core_ops.to_remove_breakpoint = ignore; | |
568 | core_ops.to_create_inferior = find_default_create_inferior; | |
569 | core_ops.to_clone_and_follow_inferior = find_default_clone_and_follow_inferior; | |
570 | core_ops.to_thread_alive = core_file_thread_alive; | |
571 | core_ops.to_core_file_to_sym_file = core_file_to_sym_file; | |
572 | core_ops.to_stratum = core_stratum; | |
573 | core_ops.to_has_memory = 1; | |
574 | core_ops.to_has_stack = 1; | |
575 | core_ops.to_has_registers = 1; | |
c5aa993b | 576 | core_ops.to_magic = OPS_MAGIC; |
c906108c SS |
577 | } |
578 | ||
579 | /* non-zero if we should not do the add_target call in | |
580 | _initialize_corelow; not initialized (i.e., bss) so that | |
581 | the target can initialize it (i.e., data) if appropriate. | |
582 | This needs to be set at compile time because we don't know | |
583 | for sure whether the target's initialize routine is called | |
584 | before us or after us. */ | |
585 | int coreops_suppress_target; | |
586 | ||
587 | void | |
fba45db2 | 588 | _initialize_corelow (void) |
c906108c SS |
589 | { |
590 | init_core_ops (); | |
591 | ||
592 | if (!coreops_suppress_target) | |
593 | add_target (&core_ops); | |
594 | } |