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
138 && (gdbarch_iterate_over_regset_sections_p (core_gdbarch)
139 || gdbarch_regset_from_core_section_p (core_gdbarch)))
142 for (cf = core_file_fns; cf != NULL; cf = cf->next)
144 if (cf->core_sniffer (cf, abfd))
152 warning (_("\"%s\": ambiguous core format, %d handlers match"),
153 bfd_get_filename (abfd), matches);
155 else if (matches == 0)
156 error (_("\"%s\": no core file handler recognizes format"),
157 bfd_get_filename (abfd));
162 /* The default is to reject every core file format we see. Either
163 BFD has to recognize it, or we have to provide a function in the
164 core file handler that recognizes it. */
167 default_check_format (bfd *abfd)
172 /* Attempt to recognize core file formats that BFD rejects. */
175 gdb_check_format (bfd *abfd)
179 for (cf = core_file_fns; cf != NULL; cf = cf->next)
181 if (cf->check_format (abfd))
189 /* Discard all vestiges of any previous core file and mark data and
190 stack spaces as empty. */
193 core_close (struct target_ops *self)
197 int pid = ptid_get_pid (inferior_ptid);
198 inferior_ptid = null_ptid; /* Avoid confusion from thread
201 exit_inferior_silent (pid);
203 /* Clear out solib state while the bfd is still open. See
204 comments in clear_solib in solib.c. */
209 xfree (core_data->sections);
214 gdb_bfd_unref (core_bfd);
222 core_close_cleanup (void *ignore)
227 /* Look for sections whose names start with `.reg/' so that we can
228 extract the list of threads in a core file. */
231 add_to_thread_list (bfd *abfd, asection *asect, void *reg_sect_arg)
236 asection *reg_sect = (asection *) reg_sect_arg;
238 struct inferior *inf;
240 if (strncmp (bfd_section_name (abfd, asect), ".reg/", 5) != 0)
243 core_tid = atoi (bfd_section_name (abfd, asect) + 5);
245 pid = bfd_core_file_pid (core_bfd);
254 inf = current_inferior ();
257 inferior_appeared (inf, pid);
258 inf->fake_pid_p = fake_pid_p;
261 ptid = ptid_build (pid, lwpid, 0);
265 /* Warning, Will Robinson, looking at BFD private data! */
268 && asect->filepos == reg_sect->filepos) /* Did we find .reg? */
269 inferior_ptid = ptid; /* Yes, make it current. */
272 /* This routine opens and sets up the core file bfd. */
275 core_open (const char *arg, int from_tty)
279 struct cleanup *old_chain;
284 volatile struct gdb_exception except;
287 target_preopen (from_tty);
291 error (_("No core file specified. (Use `detach' "
292 "to stop debugging a core file.)"));
294 error (_("No core file specified."));
297 filename = tilde_expand (arg);
298 if (!IS_ABSOLUTE_PATH (filename))
300 temp = concat (current_directory, "/",
301 filename, (char *) NULL);
306 old_chain = make_cleanup (xfree, filename);
308 flags = O_BINARY | O_LARGEFILE;
313 scratch_chan = gdb_open_cloexec (filename, flags, 0);
314 if (scratch_chan < 0)
315 perror_with_name (filename);
317 temp_bfd = gdb_bfd_fopen (filename, gnutarget,
318 write_files ? FOPEN_RUB : FOPEN_RB,
320 if (temp_bfd == NULL)
321 perror_with_name (filename);
323 if (!bfd_check_format (temp_bfd, bfd_core)
324 && !gdb_check_format (temp_bfd))
326 /* Do it after the err msg */
327 /* FIXME: should be checking for errors from bfd_close (for one
328 thing, on error it does not free all the storage associated
330 make_cleanup_bfd_unref (temp_bfd);
331 error (_("\"%s\" is not a core dump: %s"),
332 filename, bfd_errmsg (bfd_get_error ()));
335 /* Looks semi-reasonable. Toss the old core file and work on the
338 do_cleanups (old_chain);
339 unpush_target (&core_ops);
341 old_chain = make_cleanup (core_close_cleanup, 0 /*ignore*/);
343 core_gdbarch = gdbarch_from_bfd (core_bfd);
345 /* Find a suitable core file handler to munch on core_bfd */
346 core_vec = sniff_core_bfd (core_bfd);
350 core_data = XCNEW (struct target_section_table);
352 /* Find the data section */
353 if (build_section_table (core_bfd,
354 &core_data->sections,
355 &core_data->sections_end))
356 error (_("\"%s\": Can't find sections: %s"),
357 bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ()));
359 /* If we have no exec file, try to set the architecture from the
360 core file. We don't do this unconditionally since an exec file
361 typically contains more information that helps us determine the
362 architecture than a core file. */
364 set_gdbarch_from_file (core_bfd);
366 push_target (&core_ops);
367 discard_cleanups (old_chain);
369 /* Do this before acknowledging the inferior, so if
370 post_create_inferior throws (can happen easilly if you're loading
371 a core file with the wrong exec), we aren't left with threads
372 from the previous inferior. */
375 inferior_ptid = null_ptid;
377 /* Need to flush the register cache (and the frame cache) from a
378 previous debug session. If inferior_ptid ends up the same as the
379 last debug session --- e.g., b foo; run; gcore core1; step; gcore
380 core2; core core1; core core2 --- then there's potential for
381 get_current_regcache to return the cached regcache of the
382 previous session, and the frame cache being stale. */
383 registers_changed ();
385 /* Build up thread list from BFD sections, and possibly set the
386 current thread to the .reg/NN section matching the .reg
388 bfd_map_over_sections (core_bfd, add_to_thread_list,
389 bfd_get_section_by_name (core_bfd, ".reg"));
391 if (ptid_equal (inferior_ptid, null_ptid))
393 /* Either we found no .reg/NN section, and hence we have a
394 non-threaded core (single-threaded, from gdb's perspective),
395 or for some reason add_to_thread_list couldn't determine
396 which was the "main" thread. The latter case shouldn't
397 usually happen, but we're dealing with input here, which can
398 always be broken in different ways. */
399 struct thread_info *thread = first_thread_of_process (-1);
403 inferior_appeared (current_inferior (), CORELOW_PID);
404 inferior_ptid = pid_to_ptid (CORELOW_PID);
405 add_thread_silent (inferior_ptid);
408 switch_to_thread (thread->ptid);
411 post_create_inferior (&core_ops, from_tty);
413 /* Now go through the target stack looking for threads since there
414 may be a thread_stratum target loaded on top of target core by
415 now. The layer above should claim threads found in the BFD
417 TRY_CATCH (except, RETURN_MASK_ERROR)
419 target_find_new_threads ();
422 if (except.reason < 0)
423 exception_print (gdb_stderr, except);
425 p = bfd_core_file_failing_command (core_bfd);
427 printf_filtered (_("Core was generated by `%s'.\n"), p);
429 /* Clearing any previous state of convenience variables. */
430 clear_exit_convenience_vars ();
432 siggy = bfd_core_file_failing_signal (core_bfd);
435 /* If we don't have a CORE_GDBARCH to work with, assume a native
436 core (map gdb_signal from host signals). If we do have
437 CORE_GDBARCH to work with, but no gdb_signal_from_target
438 implementation for that gdbarch, as a fallback measure,
439 assume the host signal mapping. It'll be correct for native
440 cores, but most likely incorrect for cross-cores. */
441 enum gdb_signal sig = (core_gdbarch != NULL
442 && gdbarch_gdb_signal_from_target_p (core_gdbarch)
443 ? gdbarch_gdb_signal_from_target (core_gdbarch,
445 : gdb_signal_from_host (siggy));
447 printf_filtered (_("Program terminated with signal %s, %s.\n"),
448 gdb_signal_to_name (sig), gdb_signal_to_string (sig));
450 /* Set the value of the internal variable $_exitsignal,
451 which holds the signal uncaught by the inferior. */
452 set_internalvar_integer (lookup_internalvar ("_exitsignal"),
456 /* Fetch all registers from core file. */
457 target_fetch_registers (get_current_regcache (), -1);
459 /* Now, set up the frame cache, and print the top of stack. */
460 reinit_frame_cache ();
461 print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
465 core_detach (struct target_ops *ops, const char *args, int from_tty)
468 error (_("Too many arguments"));
470 reinit_frame_cache ();
472 printf_filtered (_("No core file now.\n"));
475 /* Try to retrieve registers from a section in core_bfd, and supply
476 them to core_vec->core_read_registers, as the register set numbered
479 If inferior_ptid's lwp member is zero, do the single-threaded
480 thing: look for a section named NAME. If inferior_ptid's lwp
481 member is non-zero, do the multi-threaded thing: look for a section
482 named "NAME/LWP", where LWP is the shortest ASCII decimal
483 representation of inferior_ptid's lwp member.
485 HUMAN_NAME is a human-readable name for the kind of registers the
486 NAME section contains, for use in error messages.
488 If REQUIRED is non-zero, print an error if the core file doesn't
489 have a section by the appropriate name. Otherwise, just do
493 get_core_register_section (struct regcache *regcache,
494 const struct regset *regset,
498 const char *human_name,
501 static char *section_name = NULL;
502 struct bfd_section *section;
506 xfree (section_name);
508 if (ptid_get_lwp (inferior_ptid))
509 section_name = xstrprintf ("%s/%ld", name,
510 ptid_get_lwp (inferior_ptid));
512 section_name = xstrdup (name);
514 section = bfd_get_section_by_name (core_bfd, section_name);
518 warning (_("Couldn't find %s registers in core file."),
523 size = bfd_section_size (core_bfd, section);
526 warning (_("Section `%s' in core file too small."), section_name);
530 contents = alloca (size);
531 if (! bfd_get_section_contents (core_bfd, section, contents,
534 warning (_("Couldn't read %s registers from `%s' section in core file."),
540 && core_gdbarch && gdbarch_regset_from_core_section_p (core_gdbarch))
542 regset = gdbarch_regset_from_core_section (core_gdbarch,
547 warning (_("Couldn't recognize %s registers in core file."),
555 regset->supply_regset (regset, regcache, -1, contents, size);
559 gdb_assert (core_vec);
560 core_vec->core_read_registers (regcache, contents, size, which,
562 bfd_section_vma (core_bfd, section)));
565 /* Callback for get_core_registers that handles a single core file
566 register note section. */
569 get_core_registers_cb (const char *sect_name, int size,
570 const struct regset *regset,
571 const char *human_name, void *cb_data)
573 struct regcache *regcache = (struct regcache *) cb_data;
576 if (strcmp (sect_name, ".reg") == 0)
579 if (human_name == NULL)
580 human_name = "general-purpose";
582 else if (strcmp (sect_name, ".reg2") == 0)
584 if (human_name == NULL)
585 human_name = "floating-point";
588 /* The 'which' parameter is only used when no regset is provided.
589 Thus we just set it to -1. */
590 get_core_register_section (regcache, regset, sect_name,
591 size, -1, human_name, required);
594 /* Get the registers out of a core file. This is the machine-
595 independent part. Fetch_core_registers is the machine-dependent
596 part, typically implemented in the xm-file for each
599 /* We just get all the registers, so we don't use regno. */
602 get_core_registers (struct target_ops *ops,
603 struct regcache *regcache, int regno)
606 struct gdbarch *gdbarch;
609 && (gdbarch_iterate_over_regset_sections_p (core_gdbarch)
610 || gdbarch_regset_from_core_section_p (core_gdbarch)))
611 && (core_vec == NULL || core_vec->core_read_registers == NULL))
613 fprintf_filtered (gdb_stderr,
614 "Can't fetch registers from this type of core file\n");
618 gdbarch = get_regcache_arch (regcache);
619 if (gdbarch_iterate_over_regset_sections_p (gdbarch))
620 gdbarch_iterate_over_regset_sections (gdbarch,
621 get_core_registers_cb,
622 (void *) regcache, NULL);
625 get_core_register_section (regcache, NULL,
626 ".reg", 0, 0, "general-purpose", 1);
627 get_core_register_section (regcache, NULL,
628 ".reg2", 0, 2, "floating-point", 0);
631 /* Mark all registers not found in the core as unavailable. */
632 for (i = 0; i < gdbarch_num_regs (get_regcache_arch (regcache)); i++)
633 if (regcache_register_status (regcache, i) == REG_UNKNOWN)
634 regcache_raw_supply (regcache, i, NULL);
638 core_files_info (struct target_ops *t)
640 print_section_info (core_data, core_bfd);
653 add_to_spuid_list (bfd *abfd, asection *asect, void *list_p)
655 struct spuid_list *list = list_p;
656 enum bfd_endian byte_order
657 = bfd_big_endian (abfd) ? BFD_ENDIAN_BIG : BFD_ENDIAN_LITTLE;
660 sscanf (bfd_section_name (abfd, asect), "SPU/%d/regs%n", &fd, &pos);
664 if (list->pos >= list->offset && list->pos + 4 <= list->offset + list->len)
666 store_unsigned_integer (list->buf + list->pos - list->offset,
673 /* Read siginfo data from the core, if possible. Returns -1 on
674 failure. Otherwise, returns the number of bytes read. ABFD is the
675 core file's BFD; READBUF, OFFSET, and LEN are all as specified by
676 the to_xfer_partial interface. */
679 get_core_siginfo (bfd *abfd, gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
683 const char *name = ".note.linuxcore.siginfo";
685 if (ptid_get_lwp (inferior_ptid))
686 section_name = xstrprintf ("%s/%ld", name,
687 ptid_get_lwp (inferior_ptid));
689 section_name = xstrdup (name);
691 section = bfd_get_section_by_name (abfd, section_name);
692 xfree (section_name);
696 if (!bfd_get_section_contents (abfd, section, readbuf, offset, len))
702 static enum target_xfer_status
703 core_xfer_partial (struct target_ops *ops, enum target_object object,
704 const char *annex, gdb_byte *readbuf,
705 const gdb_byte *writebuf, ULONGEST offset,
706 ULONGEST len, ULONGEST *xfered_len)
710 case TARGET_OBJECT_MEMORY:
711 return section_table_xfer_memory_partial (readbuf, writebuf,
712 offset, len, xfered_len,
714 core_data->sections_end,
717 case TARGET_OBJECT_AUXV:
720 /* When the aux vector is stored in core file, BFD
721 represents this with a fake section called ".auxv". */
723 struct bfd_section *section;
726 section = bfd_get_section_by_name (core_bfd, ".auxv");
728 return TARGET_XFER_E_IO;
730 size = bfd_section_size (core_bfd, section);
732 return TARGET_XFER_EOF;
738 return TARGET_XFER_EOF;
739 if (!bfd_get_section_contents (core_bfd, section, readbuf,
740 (file_ptr) offset, size))
742 warning (_("Couldn't read NT_AUXV note in core file."));
743 return TARGET_XFER_E_IO;
746 *xfered_len = (ULONGEST) size;
747 return TARGET_XFER_OK;
749 return TARGET_XFER_E_IO;
751 case TARGET_OBJECT_WCOOKIE:
754 /* When the StackGhost cookie is stored in core file, BFD
755 represents this with a fake section called
758 struct bfd_section *section;
761 section = bfd_get_section_by_name (core_bfd, ".wcookie");
763 return TARGET_XFER_E_IO;
765 size = bfd_section_size (core_bfd, section);
767 return TARGET_XFER_EOF;
773 return TARGET_XFER_EOF;
774 if (!bfd_get_section_contents (core_bfd, section, readbuf,
775 (file_ptr) offset, size))
777 warning (_("Couldn't read StackGhost cookie in core file."));
778 return TARGET_XFER_E_IO;
781 *xfered_len = (ULONGEST) size;
782 return TARGET_XFER_OK;
785 return TARGET_XFER_E_IO;
787 case TARGET_OBJECT_LIBRARIES:
789 && gdbarch_core_xfer_shared_libraries_p (core_gdbarch))
792 return TARGET_XFER_E_IO;
795 *xfered_len = gdbarch_core_xfer_shared_libraries (core_gdbarch,
799 if (*xfered_len == 0)
800 return TARGET_XFER_EOF;
802 return TARGET_XFER_OK;
807 case TARGET_OBJECT_LIBRARIES_AIX:
809 && gdbarch_core_xfer_shared_libraries_aix_p (core_gdbarch))
812 return TARGET_XFER_E_IO;
816 = gdbarch_core_xfer_shared_libraries_aix (core_gdbarch,
820 if (*xfered_len == 0)
821 return TARGET_XFER_EOF;
823 return TARGET_XFER_OK;
828 case TARGET_OBJECT_SPU:
829 if (readbuf && annex)
831 /* When the SPU contexts are stored in a core file, BFD
832 represents this with a fake section called
835 struct bfd_section *section;
837 char sectionstr[100];
839 xsnprintf (sectionstr, sizeof sectionstr, "SPU/%s", annex);
841 section = bfd_get_section_by_name (core_bfd, sectionstr);
843 return TARGET_XFER_E_IO;
845 size = bfd_section_size (core_bfd, section);
847 return TARGET_XFER_EOF;
853 return TARGET_XFER_EOF;
854 if (!bfd_get_section_contents (core_bfd, section, readbuf,
855 (file_ptr) offset, size))
857 warning (_("Couldn't read SPU section in core file."));
858 return TARGET_XFER_E_IO;
861 *xfered_len = (ULONGEST) size;
862 return TARGET_XFER_OK;
866 /* NULL annex requests list of all present spuids. */
867 struct spuid_list list;
870 list.offset = offset;
874 bfd_map_over_sections (core_bfd, add_to_spuid_list, &list);
876 if (list.written == 0)
877 return TARGET_XFER_EOF;
880 *xfered_len = (ULONGEST) list.written;
881 return TARGET_XFER_OK;
884 return TARGET_XFER_E_IO;
886 case TARGET_OBJECT_SIGNAL_INFO:
889 LONGEST l = get_core_siginfo (core_bfd, readbuf, offset, len);
894 return TARGET_XFER_OK;
897 return TARGET_XFER_E_IO;
900 return ops->beneath->to_xfer_partial (ops->beneath, object,
902 writebuf, offset, len,
908 /* If mourn is being called in all the right places, this could be say
909 `gdb internal error' (since generic_mourn calls
910 breakpoint_init_inferior). */
913 ignore (struct target_ops *ops, struct gdbarch *gdbarch,
914 struct bp_target_info *bp_tgt)
920 /* Okay, let's be honest: threads gleaned from a core file aren't
921 exactly lively, are they? On the other hand, if we don't claim
922 that each & every one is alive, then we don't get any of them
923 to appear in an "info thread" command, which is quite a useful
927 core_thread_alive (struct target_ops *ops, ptid_t ptid)
932 /* Ask the current architecture what it knows about this core file.
933 That will be used, in turn, to pick a better architecture. This
934 wrapper could be avoided if targets got a chance to specialize
937 static const struct target_desc *
938 core_read_description (struct target_ops *target)
940 if (core_gdbarch && gdbarch_core_read_description_p (core_gdbarch))
942 const struct target_desc *result;
944 result = gdbarch_core_read_description (core_gdbarch,
950 return target->beneath->to_read_description (target->beneath);
954 core_pid_to_str (struct target_ops *ops, ptid_t ptid)
957 struct inferior *inf;
960 /* The preferred way is to have a gdbarch/OS specific
963 && gdbarch_core_pid_to_str_p (core_gdbarch))
964 return gdbarch_core_pid_to_str (core_gdbarch, ptid);
966 /* Otherwise, if we don't have one, we'll just fallback to
967 "process", with normal_pid_to_str. */
969 /* Try the LWPID field first. */
970 pid = ptid_get_lwp (ptid);
972 return normal_pid_to_str (pid_to_ptid (pid));
974 /* Otherwise, this isn't a "threaded" core -- use the PID field, but
975 only if it isn't a fake PID. */
976 inf = find_inferior_pid (ptid_get_pid (ptid));
977 if (inf != NULL && !inf->fake_pid_p)
978 return normal_pid_to_str (ptid);
980 /* No luck. We simply don't have a valid PID to print. */
981 xsnprintf (buf, sizeof buf, "<main task>");
986 core_has_memory (struct target_ops *ops)
988 return (core_bfd != NULL);
992 core_has_stack (struct target_ops *ops)
994 return (core_bfd != NULL);
998 core_has_registers (struct target_ops *ops)
1000 return (core_bfd != NULL);
1003 /* Implement the to_info_proc method. */
1006 core_info_proc (struct target_ops *ops, const char *args,
1007 enum info_proc_what request)
1009 struct gdbarch *gdbarch = get_current_arch ();
1011 /* Since this is the core file target, call the 'core_info_proc'
1012 method on gdbarch, not 'info_proc'. */
1013 if (gdbarch_core_info_proc_p (gdbarch))
1014 gdbarch_core_info_proc (gdbarch, args, request);
1017 /* Fill in core_ops with its defined operations and properties. */
1020 init_core_ops (void)
1022 core_ops.to_shortname = "core";
1023 core_ops.to_longname = "Local core dump file";
1025 "Use a core file as a target. Specify the filename of the core file.";
1026 core_ops.to_open = core_open;
1027 core_ops.to_close = core_close;
1028 core_ops.to_detach = core_detach;
1029 core_ops.to_fetch_registers = get_core_registers;
1030 core_ops.to_xfer_partial = core_xfer_partial;
1031 core_ops.to_files_info = core_files_info;
1032 core_ops.to_insert_breakpoint = ignore;
1033 core_ops.to_remove_breakpoint = ignore;
1034 core_ops.to_thread_alive = core_thread_alive;
1035 core_ops.to_read_description = core_read_description;
1036 core_ops.to_pid_to_str = core_pid_to_str;
1037 core_ops.to_stratum = process_stratum;
1038 core_ops.to_has_memory = core_has_memory;
1039 core_ops.to_has_stack = core_has_stack;
1040 core_ops.to_has_registers = core_has_registers;
1041 core_ops.to_info_proc = core_info_proc;
1042 core_ops.to_magic = OPS_MAGIC;
1045 internal_error (__FILE__, __LINE__,
1046 _("init_core_ops: core target already exists (\"%s\")."),
1047 core_target->to_longname);
1048 core_target = &core_ops;
1052 _initialize_corelow (void)
1056 add_target_with_completer (&core_ops, filename_completer);