1 /* Core dump and executable file functions below target vector, for GDB.
3 Copyright (C) 1986-2014 Free Software Foundation, Inc.
5 This file is part of GDB.
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 3 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #include "arch-utils.h"
24 #ifdef HAVE_SYS_FILE_H
25 #include <sys/file.h> /* needed for F_OK and friends */
27 #include "frame.h" /* required by inferior.h */
35 #include "gdbthread.h"
40 #include "readline/readline.h"
41 #include "exceptions.h"
43 #include "filenames.h"
44 #include "progspace.h"
47 #include "completer.h"
48 #include "filestuff.h"
54 /* List of all available core_fns. On gdb startup, each core file
55 register reader calls deprecated_add_core_fns() to register
56 information on each core format it is prepared to read. */
58 static struct core_fns *core_file_fns = NULL;
60 /* The core_fns for a core file handler that is prepared to read the
61 core file currently open on core_bfd. */
63 static struct core_fns *core_vec = NULL;
65 /* FIXME: kettenis/20031023: Eventually this variable should
68 static struct gdbarch *core_gdbarch = NULL;
70 /* Per-core data. Currently, only the section table. Note that these
71 target sections are *not* mapped in the current address spaces' set
72 of target sections --- those should come only from pure executable
73 or shared library bfds. The core bfd sections are an
74 implementation detail of the core target, just like ptrace is for
75 unix child targets. */
76 static struct target_section_table *core_data;
78 static void core_files_info (struct target_ops *);
80 static struct core_fns *sniff_core_bfd (bfd *);
82 static int gdb_check_format (bfd *);
84 static void core_close (struct target_ops *self);
86 static void core_close_cleanup (void *ignore);
88 static void add_to_thread_list (bfd *, asection *, void *);
90 static void init_core_ops (void);
92 void _initialize_corelow (void);
94 static struct target_ops core_ops;
96 /* An arbitrary identifier for the core inferior. */
99 /* Link a new core_fns into the global core_file_fns list. Called on
100 gdb startup by the _initialize routine in each core file register
101 reader, to register information about each format the reader is
102 prepared to handle. */
105 deprecated_add_core_fns (struct core_fns *cf)
107 cf->next = core_file_fns;
111 /* The default function that core file handlers can use to examine a
112 core file BFD and decide whether or not to accept the job of
113 reading the core file. */
116 default_core_sniffer (struct core_fns *our_fns, bfd *abfd)
120 result = (bfd_get_flavour (abfd) == our_fns -> core_flavour);
124 /* Walk through the list of core functions to find a set that can
125 handle the core file open on ABFD. Returns pointer to set that is
128 static struct core_fns *
129 sniff_core_bfd (bfd *abfd)
132 struct core_fns *yummy = NULL;
135 /* Don't sniff if we have support for register sets in
137 if (core_gdbarch && gdbarch_iterate_over_regset_sections_p (core_gdbarch))
140 for (cf = core_file_fns; cf != NULL; cf = cf->next)
142 if (cf->core_sniffer (cf, abfd))
150 warning (_("\"%s\": ambiguous core format, %d handlers match"),
151 bfd_get_filename (abfd), matches);
153 else if (matches == 0)
154 error (_("\"%s\": no core file handler recognizes format"),
155 bfd_get_filename (abfd));
160 /* The default is to reject every core file format we see. Either
161 BFD has to recognize it, or we have to provide a function in the
162 core file handler that recognizes it. */
165 default_check_format (bfd *abfd)
170 /* Attempt to recognize core file formats that BFD rejects. */
173 gdb_check_format (bfd *abfd)
177 for (cf = core_file_fns; cf != NULL; cf = cf->next)
179 if (cf->check_format (abfd))
187 /* Discard all vestiges of any previous core file and mark data and
188 stack spaces as empty. */
191 core_close (struct target_ops *self)
195 int pid = ptid_get_pid (inferior_ptid);
196 inferior_ptid = null_ptid; /* Avoid confusion from thread
199 exit_inferior_silent (pid);
201 /* Clear out solib state while the bfd is still open. See
202 comments in clear_solib in solib.c. */
207 xfree (core_data->sections);
212 gdb_bfd_unref (core_bfd);
220 core_close_cleanup (void *ignore)
225 /* Look for sections whose names start with `.reg/' so that we can
226 extract the list of threads in a core file. */
229 add_to_thread_list (bfd *abfd, asection *asect, void *reg_sect_arg)
234 asection *reg_sect = (asection *) reg_sect_arg;
236 struct inferior *inf;
238 if (strncmp (bfd_section_name (abfd, asect), ".reg/", 5) != 0)
241 core_tid = atoi (bfd_section_name (abfd, asect) + 5);
243 pid = bfd_core_file_pid (core_bfd);
252 inf = current_inferior ();
255 inferior_appeared (inf, pid);
256 inf->fake_pid_p = fake_pid_p;
259 ptid = ptid_build (pid, lwpid, 0);
263 /* Warning, Will Robinson, looking at BFD private data! */
266 && asect->filepos == reg_sect->filepos) /* Did we find .reg? */
267 inferior_ptid = ptid; /* Yes, make it current. */
270 /* This routine opens and sets up the core file bfd. */
273 core_open (const char *arg, int from_tty)
277 struct cleanup *old_chain;
282 volatile struct gdb_exception except;
285 target_preopen (from_tty);
289 error (_("No core file specified. (Use `detach' "
290 "to stop debugging a core file.)"));
292 error (_("No core file specified."));
295 filename = tilde_expand (arg);
296 if (!IS_ABSOLUTE_PATH (filename))
298 temp = concat (current_directory, "/",
299 filename, (char *) NULL);
304 old_chain = make_cleanup (xfree, filename);
306 flags = O_BINARY | O_LARGEFILE;
311 scratch_chan = gdb_open_cloexec (filename, flags, 0);
312 if (scratch_chan < 0)
313 perror_with_name (filename);
315 temp_bfd = gdb_bfd_fopen (filename, gnutarget,
316 write_files ? FOPEN_RUB : FOPEN_RB,
318 if (temp_bfd == NULL)
319 perror_with_name (filename);
321 if (!bfd_check_format (temp_bfd, bfd_core)
322 && !gdb_check_format (temp_bfd))
324 /* Do it after the err msg */
325 /* FIXME: should be checking for errors from bfd_close (for one
326 thing, on error it does not free all the storage associated
328 make_cleanup_bfd_unref (temp_bfd);
329 error (_("\"%s\" is not a core dump: %s"),
330 filename, bfd_errmsg (bfd_get_error ()));
333 /* Looks semi-reasonable. Toss the old core file and work on the
336 do_cleanups (old_chain);
337 unpush_target (&core_ops);
339 old_chain = make_cleanup (core_close_cleanup, 0 /*ignore*/);
341 core_gdbarch = gdbarch_from_bfd (core_bfd);
343 /* Find a suitable core file handler to munch on core_bfd */
344 core_vec = sniff_core_bfd (core_bfd);
348 core_data = XCNEW (struct target_section_table);
350 /* Find the data section */
351 if (build_section_table (core_bfd,
352 &core_data->sections,
353 &core_data->sections_end))
354 error (_("\"%s\": Can't find sections: %s"),
355 bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ()));
357 /* If we have no exec file, try to set the architecture from the
358 core file. We don't do this unconditionally since an exec file
359 typically contains more information that helps us determine the
360 architecture than a core file. */
362 set_gdbarch_from_file (core_bfd);
364 push_target (&core_ops);
365 discard_cleanups (old_chain);
367 /* Do this before acknowledging the inferior, so if
368 post_create_inferior throws (can happen easilly if you're loading
369 a core file with the wrong exec), we aren't left with threads
370 from the previous inferior. */
373 inferior_ptid = null_ptid;
375 /* Need to flush the register cache (and the frame cache) from a
376 previous debug session. If inferior_ptid ends up the same as the
377 last debug session --- e.g., b foo; run; gcore core1; step; gcore
378 core2; core core1; core core2 --- then there's potential for
379 get_current_regcache to return the cached regcache of the
380 previous session, and the frame cache being stale. */
381 registers_changed ();
383 /* Build up thread list from BFD sections, and possibly set the
384 current thread to the .reg/NN section matching the .reg
386 bfd_map_over_sections (core_bfd, add_to_thread_list,
387 bfd_get_section_by_name (core_bfd, ".reg"));
389 if (ptid_equal (inferior_ptid, null_ptid))
391 /* Either we found no .reg/NN section, and hence we have a
392 non-threaded core (single-threaded, from gdb's perspective),
393 or for some reason add_to_thread_list couldn't determine
394 which was the "main" thread. The latter case shouldn't
395 usually happen, but we're dealing with input here, which can
396 always be broken in different ways. */
397 struct thread_info *thread = first_thread_of_process (-1);
401 inferior_appeared (current_inferior (), CORELOW_PID);
402 inferior_ptid = pid_to_ptid (CORELOW_PID);
403 add_thread_silent (inferior_ptid);
406 switch_to_thread (thread->ptid);
409 post_create_inferior (&core_ops, from_tty);
411 /* Now go through the target stack looking for threads since there
412 may be a thread_stratum target loaded on top of target core by
413 now. The layer above should claim threads found in the BFD
415 TRY_CATCH (except, RETURN_MASK_ERROR)
417 target_find_new_threads ();
420 if (except.reason < 0)
421 exception_print (gdb_stderr, except);
423 p = bfd_core_file_failing_command (core_bfd);
425 printf_filtered (_("Core was generated by `%s'.\n"), p);
427 /* Clearing any previous state of convenience variables. */
428 clear_exit_convenience_vars ();
430 siggy = bfd_core_file_failing_signal (core_bfd);
433 /* If we don't have a CORE_GDBARCH to work with, assume a native
434 core (map gdb_signal from host signals). If we do have
435 CORE_GDBARCH to work with, but no gdb_signal_from_target
436 implementation for that gdbarch, as a fallback measure,
437 assume the host signal mapping. It'll be correct for native
438 cores, but most likely incorrect for cross-cores. */
439 enum gdb_signal sig = (core_gdbarch != NULL
440 && gdbarch_gdb_signal_from_target_p (core_gdbarch)
441 ? gdbarch_gdb_signal_from_target (core_gdbarch,
443 : gdb_signal_from_host (siggy));
445 printf_filtered (_("Program terminated with signal %s, %s.\n"),
446 gdb_signal_to_name (sig), gdb_signal_to_string (sig));
448 /* Set the value of the internal variable $_exitsignal,
449 which holds the signal uncaught by the inferior. */
450 set_internalvar_integer (lookup_internalvar ("_exitsignal"),
454 /* Fetch all registers from core file. */
455 target_fetch_registers (get_current_regcache (), -1);
457 /* Now, set up the frame cache, and print the top of stack. */
458 reinit_frame_cache ();
459 print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
463 core_detach (struct target_ops *ops, const char *args, int from_tty)
466 error (_("Too many arguments"));
468 reinit_frame_cache ();
470 printf_filtered (_("No core file now.\n"));
473 /* Try to retrieve registers from a section in core_bfd, and supply
474 them to core_vec->core_read_registers, as the register set numbered
477 If inferior_ptid's lwp member is zero, do the single-threaded
478 thing: look for a section named NAME. If inferior_ptid's lwp
479 member is non-zero, do the multi-threaded thing: look for a section
480 named "NAME/LWP", where LWP is the shortest ASCII decimal
481 representation of inferior_ptid's lwp member.
483 HUMAN_NAME is a human-readable name for the kind of registers the
484 NAME section contains, for use in error messages.
486 If REQUIRED is non-zero, print an error if the core file doesn't
487 have a section by the appropriate name. Otherwise, just do
491 get_core_register_section (struct regcache *regcache,
492 const struct regset *regset,
496 const char *human_name,
499 static char *section_name = NULL;
500 struct bfd_section *section;
504 xfree (section_name);
506 if (ptid_get_lwp (inferior_ptid))
507 section_name = xstrprintf ("%s/%ld", name,
508 ptid_get_lwp (inferior_ptid));
510 section_name = xstrdup (name);
512 section = bfd_get_section_by_name (core_bfd, section_name);
516 warning (_("Couldn't find %s registers in core file."),
521 size = bfd_section_size (core_bfd, section);
524 warning (_("Section `%s' in core file too small."), section_name);
528 contents = alloca (size);
529 if (! bfd_get_section_contents (core_bfd, section, contents,
532 warning (_("Couldn't read %s registers from `%s' section in core file."),
539 regset->supply_regset (regset, regcache, -1, contents, size);
543 gdb_assert (core_vec);
544 core_vec->core_read_registers (regcache, contents, size, which,
546 bfd_section_vma (core_bfd, section)));
549 /* Callback for get_core_registers that handles a single core file
550 register note section. */
553 get_core_registers_cb (const char *sect_name, int size,
554 const struct regset *regset,
555 const char *human_name, void *cb_data)
557 struct regcache *regcache = (struct regcache *) cb_data;
560 if (strcmp (sect_name, ".reg") == 0)
563 if (human_name == NULL)
564 human_name = "general-purpose";
566 else if (strcmp (sect_name, ".reg2") == 0)
568 if (human_name == NULL)
569 human_name = "floating-point";
572 /* The 'which' parameter is only used when no regset is provided.
573 Thus we just set it to -1. */
574 get_core_register_section (regcache, regset, sect_name,
575 size, -1, human_name, required);
578 /* Get the registers out of a core file. This is the machine-
579 independent part. Fetch_core_registers is the machine-dependent
580 part, typically implemented in the xm-file for each
583 /* We just get all the registers, so we don't use regno. */
586 get_core_registers (struct target_ops *ops,
587 struct regcache *regcache, int regno)
590 struct gdbarch *gdbarch;
592 if (!(core_gdbarch && gdbarch_iterate_over_regset_sections_p (core_gdbarch))
593 && (core_vec == NULL || core_vec->core_read_registers == NULL))
595 fprintf_filtered (gdb_stderr,
596 "Can't fetch registers from this type of core file\n");
600 gdbarch = get_regcache_arch (regcache);
601 if (gdbarch_iterate_over_regset_sections_p (gdbarch))
602 gdbarch_iterate_over_regset_sections (gdbarch,
603 get_core_registers_cb,
604 (void *) regcache, NULL);
607 get_core_register_section (regcache, NULL,
608 ".reg", 0, 0, "general-purpose", 1);
609 get_core_register_section (regcache, NULL,
610 ".reg2", 0, 2, "floating-point", 0);
613 /* Mark all registers not found in the core as unavailable. */
614 for (i = 0; i < gdbarch_num_regs (get_regcache_arch (regcache)); i++)
615 if (regcache_register_status (regcache, i) == REG_UNKNOWN)
616 regcache_raw_supply (regcache, i, NULL);
620 core_files_info (struct target_ops *t)
622 print_section_info (core_data, core_bfd);
635 add_to_spuid_list (bfd *abfd, asection *asect, void *list_p)
637 struct spuid_list *list = list_p;
638 enum bfd_endian byte_order
639 = bfd_big_endian (abfd) ? BFD_ENDIAN_BIG : BFD_ENDIAN_LITTLE;
642 sscanf (bfd_section_name (abfd, asect), "SPU/%d/regs%n", &fd, &pos);
646 if (list->pos >= list->offset && list->pos + 4 <= list->offset + list->len)
648 store_unsigned_integer (list->buf + list->pos - list->offset,
655 /* Read siginfo data from the core, if possible. Returns -1 on
656 failure. Otherwise, returns the number of bytes read. ABFD is the
657 core file's BFD; READBUF, OFFSET, and LEN are all as specified by
658 the to_xfer_partial interface. */
661 get_core_siginfo (bfd *abfd, gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
665 const char *name = ".note.linuxcore.siginfo";
667 if (ptid_get_lwp (inferior_ptid))
668 section_name = xstrprintf ("%s/%ld", name,
669 ptid_get_lwp (inferior_ptid));
671 section_name = xstrdup (name);
673 section = bfd_get_section_by_name (abfd, section_name);
674 xfree (section_name);
678 if (!bfd_get_section_contents (abfd, section, readbuf, offset, len))
684 static enum target_xfer_status
685 core_xfer_partial (struct target_ops *ops, enum target_object object,
686 const char *annex, gdb_byte *readbuf,
687 const gdb_byte *writebuf, ULONGEST offset,
688 ULONGEST len, ULONGEST *xfered_len)
692 case TARGET_OBJECT_MEMORY:
693 return section_table_xfer_memory_partial (readbuf, writebuf,
694 offset, len, xfered_len,
696 core_data->sections_end,
699 case TARGET_OBJECT_AUXV:
702 /* When the aux vector is stored in core file, BFD
703 represents this with a fake section called ".auxv". */
705 struct bfd_section *section;
708 section = bfd_get_section_by_name (core_bfd, ".auxv");
710 return TARGET_XFER_E_IO;
712 size = bfd_section_size (core_bfd, section);
714 return TARGET_XFER_EOF;
720 return TARGET_XFER_EOF;
721 if (!bfd_get_section_contents (core_bfd, section, readbuf,
722 (file_ptr) offset, size))
724 warning (_("Couldn't read NT_AUXV note in core file."));
725 return TARGET_XFER_E_IO;
728 *xfered_len = (ULONGEST) size;
729 return TARGET_XFER_OK;
731 return TARGET_XFER_E_IO;
733 case TARGET_OBJECT_WCOOKIE:
736 /* When the StackGhost cookie is stored in core file, BFD
737 represents this with a fake section called
740 struct bfd_section *section;
743 section = bfd_get_section_by_name (core_bfd, ".wcookie");
745 return TARGET_XFER_E_IO;
747 size = bfd_section_size (core_bfd, section);
749 return TARGET_XFER_EOF;
755 return TARGET_XFER_EOF;
756 if (!bfd_get_section_contents (core_bfd, section, readbuf,
757 (file_ptr) offset, size))
759 warning (_("Couldn't read StackGhost cookie in core file."));
760 return TARGET_XFER_E_IO;
763 *xfered_len = (ULONGEST) size;
764 return TARGET_XFER_OK;
767 return TARGET_XFER_E_IO;
769 case TARGET_OBJECT_LIBRARIES:
771 && gdbarch_core_xfer_shared_libraries_p (core_gdbarch))
774 return TARGET_XFER_E_IO;
777 *xfered_len = gdbarch_core_xfer_shared_libraries (core_gdbarch,
781 if (*xfered_len == 0)
782 return TARGET_XFER_EOF;
784 return TARGET_XFER_OK;
789 case TARGET_OBJECT_LIBRARIES_AIX:
791 && gdbarch_core_xfer_shared_libraries_aix_p (core_gdbarch))
794 return TARGET_XFER_E_IO;
798 = gdbarch_core_xfer_shared_libraries_aix (core_gdbarch,
802 if (*xfered_len == 0)
803 return TARGET_XFER_EOF;
805 return TARGET_XFER_OK;
810 case TARGET_OBJECT_SPU:
811 if (readbuf && annex)
813 /* When the SPU contexts are stored in a core file, BFD
814 represents this with a fake section called
817 struct bfd_section *section;
819 char sectionstr[100];
821 xsnprintf (sectionstr, sizeof sectionstr, "SPU/%s", annex);
823 section = bfd_get_section_by_name (core_bfd, sectionstr);
825 return TARGET_XFER_E_IO;
827 size = bfd_section_size (core_bfd, section);
829 return TARGET_XFER_EOF;
835 return TARGET_XFER_EOF;
836 if (!bfd_get_section_contents (core_bfd, section, readbuf,
837 (file_ptr) offset, size))
839 warning (_("Couldn't read SPU section in core file."));
840 return TARGET_XFER_E_IO;
843 *xfered_len = (ULONGEST) size;
844 return TARGET_XFER_OK;
848 /* NULL annex requests list of all present spuids. */
849 struct spuid_list list;
852 list.offset = offset;
856 bfd_map_over_sections (core_bfd, add_to_spuid_list, &list);
858 if (list.written == 0)
859 return TARGET_XFER_EOF;
862 *xfered_len = (ULONGEST) list.written;
863 return TARGET_XFER_OK;
866 return TARGET_XFER_E_IO;
868 case TARGET_OBJECT_SIGNAL_INFO:
871 LONGEST l = get_core_siginfo (core_bfd, readbuf, offset, len);
876 return TARGET_XFER_OK;
879 return TARGET_XFER_E_IO;
882 return ops->beneath->to_xfer_partial (ops->beneath, object,
884 writebuf, offset, len,
890 /* If mourn is being called in all the right places, this could be say
891 `gdb internal error' (since generic_mourn calls
892 breakpoint_init_inferior). */
895 ignore (struct target_ops *ops, struct gdbarch *gdbarch,
896 struct bp_target_info *bp_tgt)
902 /* Okay, let's be honest: threads gleaned from a core file aren't
903 exactly lively, are they? On the other hand, if we don't claim
904 that each & every one is alive, then we don't get any of them
905 to appear in an "info thread" command, which is quite a useful
909 core_thread_alive (struct target_ops *ops, ptid_t ptid)
914 /* Ask the current architecture what it knows about this core file.
915 That will be used, in turn, to pick a better architecture. This
916 wrapper could be avoided if targets got a chance to specialize
919 static const struct target_desc *
920 core_read_description (struct target_ops *target)
922 if (core_gdbarch && gdbarch_core_read_description_p (core_gdbarch))
924 const struct target_desc *result;
926 result = gdbarch_core_read_description (core_gdbarch,
932 return target->beneath->to_read_description (target->beneath);
936 core_pid_to_str (struct target_ops *ops, ptid_t ptid)
939 struct inferior *inf;
942 /* The preferred way is to have a gdbarch/OS specific
945 && gdbarch_core_pid_to_str_p (core_gdbarch))
946 return gdbarch_core_pid_to_str (core_gdbarch, ptid);
948 /* Otherwise, if we don't have one, we'll just fallback to
949 "process", with normal_pid_to_str. */
951 /* Try the LWPID field first. */
952 pid = ptid_get_lwp (ptid);
954 return normal_pid_to_str (pid_to_ptid (pid));
956 /* Otherwise, this isn't a "threaded" core -- use the PID field, but
957 only if it isn't a fake PID. */
958 inf = find_inferior_pid (ptid_get_pid (ptid));
959 if (inf != NULL && !inf->fake_pid_p)
960 return normal_pid_to_str (ptid);
962 /* No luck. We simply don't have a valid PID to print. */
963 xsnprintf (buf, sizeof buf, "<main task>");
968 core_has_memory (struct target_ops *ops)
970 return (core_bfd != NULL);
974 core_has_stack (struct target_ops *ops)
976 return (core_bfd != NULL);
980 core_has_registers (struct target_ops *ops)
982 return (core_bfd != NULL);
985 /* Implement the to_info_proc method. */
988 core_info_proc (struct target_ops *ops, const char *args,
989 enum info_proc_what request)
991 struct gdbarch *gdbarch = get_current_arch ();
993 /* Since this is the core file target, call the 'core_info_proc'
994 method on gdbarch, not 'info_proc'. */
995 if (gdbarch_core_info_proc_p (gdbarch))
996 gdbarch_core_info_proc (gdbarch, args, request);
999 /* Fill in core_ops with its defined operations and properties. */
1002 init_core_ops (void)
1004 core_ops.to_shortname = "core";
1005 core_ops.to_longname = "Local core dump file";
1007 "Use a core file as a target. Specify the filename of the core file.";
1008 core_ops.to_open = core_open;
1009 core_ops.to_close = core_close;
1010 core_ops.to_detach = core_detach;
1011 core_ops.to_fetch_registers = get_core_registers;
1012 core_ops.to_xfer_partial = core_xfer_partial;
1013 core_ops.to_files_info = core_files_info;
1014 core_ops.to_insert_breakpoint = ignore;
1015 core_ops.to_remove_breakpoint = ignore;
1016 core_ops.to_thread_alive = core_thread_alive;
1017 core_ops.to_read_description = core_read_description;
1018 core_ops.to_pid_to_str = core_pid_to_str;
1019 core_ops.to_stratum = process_stratum;
1020 core_ops.to_has_memory = core_has_memory;
1021 core_ops.to_has_stack = core_has_stack;
1022 core_ops.to_has_registers = core_has_registers;
1023 core_ops.to_info_proc = core_info_proc;
1024 core_ops.to_magic = OPS_MAGIC;
1027 internal_error (__FILE__, __LINE__,
1028 _("init_core_ops: core target already exists (\"%s\")."),
1029 core_target->to_longname);
1030 core_target = &core_ops;
1034 _initialize_corelow (void)
1038 add_target_with_completer (&core_ops, filename_completer);