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"
26 #ifdef HAVE_SYS_FILE_H
27 #include <sys/file.h> /* needed for F_OK and friends */
29 #include "frame.h" /* required by inferior.h */
37 #include "gdbthread.h"
42 #include "readline/readline.h"
43 #include "exceptions.h"
45 #include "filenames.h"
46 #include "progspace.h"
49 #include "completer.h"
50 #include "filestuff.h"
56 /* List of all available core_fns. On gdb startup, each core file
57 register reader calls deprecated_add_core_fns() to register
58 information on each core format it is prepared to read. */
60 static struct core_fns
*core_file_fns
= NULL
;
62 /* The core_fns for a core file handler that is prepared to read the
63 core file currently open on core_bfd. */
65 static struct core_fns
*core_vec
= NULL
;
67 /* FIXME: kettenis/20031023: Eventually this variable should
70 static struct gdbarch
*core_gdbarch
= NULL
;
72 /* Per-core data. Currently, only the section table. Note that these
73 target sections are *not* mapped in the current address spaces' set
74 of target sections --- those should come only from pure executable
75 or shared library bfds. The core bfd sections are an
76 implementation detail of the core target, just like ptrace is for
77 unix child targets. */
78 static struct target_section_table
*core_data
;
80 static void core_files_info (struct target_ops
*);
82 static struct core_fns
*sniff_core_bfd (bfd
*);
84 static int gdb_check_format (bfd
*);
86 static void core_close (struct target_ops
*self
);
88 static void core_close_cleanup (void *ignore
);
90 static void add_to_thread_list (bfd
*, asection
*, void *);
92 static void init_core_ops (void);
94 void _initialize_corelow (void);
96 static struct target_ops core_ops
;
98 /* An arbitrary identifier for the core inferior. */
101 /* Link a new core_fns into the global core_file_fns list. Called on
102 gdb startup by the _initialize routine in each core file register
103 reader, to register information about each format the reader is
104 prepared to handle. */
107 deprecated_add_core_fns (struct core_fns
*cf
)
109 cf
->next
= core_file_fns
;
113 /* The default function that core file handlers can use to examine a
114 core file BFD and decide whether or not to accept the job of
115 reading the core file. */
118 default_core_sniffer (struct core_fns
*our_fns
, bfd
*abfd
)
122 result
= (bfd_get_flavour (abfd
) == our_fns
-> core_flavour
);
126 /* Walk through the list of core functions to find a set that can
127 handle the core file open on ABFD. Returns pointer to set that is
130 static struct core_fns
*
131 sniff_core_bfd (bfd
*abfd
)
134 struct core_fns
*yummy
= NULL
;
137 /* Don't sniff if we have support for register sets in
139 if (core_gdbarch
&& 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
,
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
);
522 contents
= alloca (size
);
523 if (! bfd_get_section_contents (core_bfd
, section
, contents
,
526 warning (_("Couldn't read %s registers from `%s' section in core file."),
531 if (core_gdbarch
&& gdbarch_regset_from_core_section_p (core_gdbarch
))
533 const struct regset
*regset
;
535 regset
= gdbarch_regset_from_core_section (core_gdbarch
,
540 warning (_("Couldn't recognize %s registers in core file."),
545 regset
->supply_regset (regset
, regcache
, -1, contents
, size
);
549 gdb_assert (core_vec
);
550 core_vec
->core_read_registers (regcache
, contents
, size
, which
,
552 bfd_section_vma (core_bfd
, section
)));
556 /* Get the registers out of a core file. This is the machine-
557 independent part. Fetch_core_registers is the machine-dependent
558 part, typically implemented in the xm-file for each
561 /* We just get all the registers, so we don't use regno. */
564 get_core_registers (struct target_ops
*ops
,
565 struct regcache
*regcache
, int regno
)
567 struct core_regset_section
*sect_list
;
570 if (!(core_gdbarch
&& gdbarch_regset_from_core_section_p (core_gdbarch
))
571 && (core_vec
== NULL
|| core_vec
->core_read_registers
== NULL
))
573 fprintf_filtered (gdb_stderr
,
574 "Can't fetch registers from this type of core file\n");
578 sect_list
= gdbarch_core_regset_sections (get_regcache_arch (regcache
));
580 while (sect_list
->sect_name
!= NULL
)
582 if (strcmp (sect_list
->sect_name
, ".reg") == 0)
583 get_core_register_section (regcache
, sect_list
->sect_name
,
584 0, sect_list
->human_name
, 1);
585 else if (strcmp (sect_list
->sect_name
, ".reg2") == 0)
586 get_core_register_section (regcache
, sect_list
->sect_name
,
587 2, sect_list
->human_name
, 0);
589 get_core_register_section (regcache
, sect_list
->sect_name
,
590 3, sect_list
->human_name
, 0);
597 get_core_register_section (regcache
,
598 ".reg", 0, "general-purpose", 1);
599 get_core_register_section (regcache
,
600 ".reg2", 2, "floating-point", 0);
603 /* Mark all registers not found in the core as unavailable. */
604 for (i
= 0; i
< gdbarch_num_regs (get_regcache_arch (regcache
)); i
++)
605 if (regcache_register_status (regcache
, i
) == REG_UNKNOWN
)
606 regcache_raw_supply (regcache
, i
, NULL
);
610 core_files_info (struct target_ops
*t
)
612 print_section_info (core_data
, core_bfd
);
625 add_to_spuid_list (bfd
*abfd
, asection
*asect
, void *list_p
)
627 struct spuid_list
*list
= list_p
;
628 enum bfd_endian byte_order
629 = bfd_big_endian (abfd
) ? BFD_ENDIAN_BIG
: BFD_ENDIAN_LITTLE
;
632 sscanf (bfd_section_name (abfd
, asect
), "SPU/%d/regs%n", &fd
, &pos
);
636 if (list
->pos
>= list
->offset
&& list
->pos
+ 4 <= list
->offset
+ list
->len
)
638 store_unsigned_integer (list
->buf
+ list
->pos
- list
->offset
,
645 /* Read siginfo data from the core, if possible. Returns -1 on
646 failure. Otherwise, returns the number of bytes read. ABFD is the
647 core file's BFD; READBUF, OFFSET, and LEN are all as specified by
648 the to_xfer_partial interface. */
651 get_core_siginfo (bfd
*abfd
, gdb_byte
*readbuf
, ULONGEST offset
, ULONGEST len
)
655 const char *name
= ".note.linuxcore.siginfo";
657 if (ptid_get_lwp (inferior_ptid
))
658 section_name
= xstrprintf ("%s/%ld", name
,
659 ptid_get_lwp (inferior_ptid
));
661 section_name
= xstrdup (name
);
663 section
= bfd_get_section_by_name (abfd
, section_name
);
664 xfree (section_name
);
668 if (!bfd_get_section_contents (abfd
, section
, readbuf
, offset
, len
))
674 static enum target_xfer_status
675 core_xfer_partial (struct target_ops
*ops
, enum target_object object
,
676 const char *annex
, gdb_byte
*readbuf
,
677 const gdb_byte
*writebuf
, ULONGEST offset
,
678 ULONGEST len
, ULONGEST
*xfered_len
)
682 case TARGET_OBJECT_MEMORY
:
683 return section_table_xfer_memory_partial (readbuf
, writebuf
,
684 offset
, len
, xfered_len
,
686 core_data
->sections_end
,
689 case TARGET_OBJECT_AUXV
:
692 /* When the aux vector is stored in core file, BFD
693 represents this with a fake section called ".auxv". */
695 struct bfd_section
*section
;
698 section
= bfd_get_section_by_name (core_bfd
, ".auxv");
700 return TARGET_XFER_E_IO
;
702 size
= bfd_section_size (core_bfd
, section
);
704 return TARGET_XFER_EOF
;
710 return TARGET_XFER_EOF
;
711 if (!bfd_get_section_contents (core_bfd
, section
, readbuf
,
712 (file_ptr
) offset
, size
))
714 warning (_("Couldn't read NT_AUXV note in core file."));
715 return TARGET_XFER_E_IO
;
718 *xfered_len
= (ULONGEST
) size
;
719 return TARGET_XFER_OK
;
721 return TARGET_XFER_E_IO
;
723 case TARGET_OBJECT_WCOOKIE
:
726 /* When the StackGhost cookie is stored in core file, BFD
727 represents this with a fake section called
730 struct bfd_section
*section
;
733 section
= bfd_get_section_by_name (core_bfd
, ".wcookie");
735 return TARGET_XFER_E_IO
;
737 size
= bfd_section_size (core_bfd
, section
);
745 return TARGET_XFER_EOF
;
746 if (!bfd_get_section_contents (core_bfd
, section
, readbuf
,
747 (file_ptr
) offset
, size
))
749 warning (_("Couldn't read StackGhost cookie in core file."));
750 return TARGET_XFER_E_IO
;
753 *xfered_len
= (ULONGEST
) size
;
754 return TARGET_XFER_OK
;
757 return TARGET_XFER_E_IO
;
759 case TARGET_OBJECT_LIBRARIES
:
761 && gdbarch_core_xfer_shared_libraries_p (core_gdbarch
))
764 return TARGET_XFER_E_IO
;
767 *xfered_len
= gdbarch_core_xfer_shared_libraries (core_gdbarch
,
771 if (*xfered_len
== 0)
772 return TARGET_XFER_EOF
;
774 return TARGET_XFER_OK
;
779 case TARGET_OBJECT_LIBRARIES_AIX
:
781 && gdbarch_core_xfer_shared_libraries_aix_p (core_gdbarch
))
784 return TARGET_XFER_E_IO
;
788 = gdbarch_core_xfer_shared_libraries_aix (core_gdbarch
,
792 if (*xfered_len
== 0)
793 return TARGET_XFER_EOF
;
795 return TARGET_XFER_OK
;
800 case TARGET_OBJECT_SPU
:
801 if (readbuf
&& annex
)
803 /* When the SPU contexts are stored in a core file, BFD
804 represents this with a fake section called
807 struct bfd_section
*section
;
809 char sectionstr
[100];
811 xsnprintf (sectionstr
, sizeof sectionstr
, "SPU/%s", annex
);
813 section
= bfd_get_section_by_name (core_bfd
, sectionstr
);
815 return TARGET_XFER_E_IO
;
817 size
= bfd_section_size (core_bfd
, section
);
819 return TARGET_XFER_EOF
;
825 return TARGET_XFER_EOF
;
826 if (!bfd_get_section_contents (core_bfd
, section
, readbuf
,
827 (file_ptr
) offset
, size
))
829 warning (_("Couldn't read SPU section in core file."));
830 return TARGET_XFER_E_IO
;
833 *xfered_len
= (ULONGEST
) size
;
834 return TARGET_XFER_OK
;
838 /* NULL annex requests list of all present spuids. */
839 struct spuid_list list
;
842 list
.offset
= offset
;
846 bfd_map_over_sections (core_bfd
, add_to_spuid_list
, &list
);
848 if (list
.written
== 0)
849 return TARGET_XFER_EOF
;
852 *xfered_len
= (ULONGEST
) list
.written
;
853 return TARGET_XFER_OK
;
856 return TARGET_XFER_E_IO
;
858 case TARGET_OBJECT_SIGNAL_INFO
:
861 LONGEST l
= get_core_siginfo (core_bfd
, readbuf
, offset
, len
);
866 return TARGET_XFER_OK
;
869 return TARGET_XFER_E_IO
;
872 return ops
->beneath
->to_xfer_partial (ops
->beneath
, object
,
874 writebuf
, offset
, len
,
880 /* If mourn is being called in all the right places, this could be say
881 `gdb internal error' (since generic_mourn calls
882 breakpoint_init_inferior). */
885 ignore (struct target_ops
*ops
, struct gdbarch
*gdbarch
,
886 struct bp_target_info
*bp_tgt
)
892 /* Okay, let's be honest: threads gleaned from a core file aren't
893 exactly lively, are they? On the other hand, if we don't claim
894 that each & every one is alive, then we don't get any of them
895 to appear in an "info thread" command, which is quite a useful
899 core_thread_alive (struct target_ops
*ops
, ptid_t ptid
)
904 /* Ask the current architecture what it knows about this core file.
905 That will be used, in turn, to pick a better architecture. This
906 wrapper could be avoided if targets got a chance to specialize
909 static const struct target_desc
*
910 core_read_description (struct target_ops
*target
)
912 if (core_gdbarch
&& gdbarch_core_read_description_p (core_gdbarch
))
914 const struct target_desc
*result
;
916 result
= gdbarch_core_read_description (core_gdbarch
,
922 return target
->beneath
->to_read_description (target
->beneath
);
926 core_pid_to_str (struct target_ops
*ops
, ptid_t ptid
)
929 struct inferior
*inf
;
932 /* The preferred way is to have a gdbarch/OS specific
935 && gdbarch_core_pid_to_str_p (core_gdbarch
))
936 return gdbarch_core_pid_to_str (core_gdbarch
, ptid
);
938 /* Otherwise, if we don't have one, we'll just fallback to
939 "process", with normal_pid_to_str. */
941 /* Try the LWPID field first. */
942 pid
= ptid_get_lwp (ptid
);
944 return normal_pid_to_str (pid_to_ptid (pid
));
946 /* Otherwise, this isn't a "threaded" core -- use the PID field, but
947 only if it isn't a fake PID. */
948 inf
= find_inferior_pid (ptid_get_pid (ptid
));
949 if (inf
!= NULL
&& !inf
->fake_pid_p
)
950 return normal_pid_to_str (ptid
);
952 /* No luck. We simply don't have a valid PID to print. */
953 xsnprintf (buf
, sizeof buf
, "<main task>");
958 core_has_memory (struct target_ops
*ops
)
960 return (core_bfd
!= NULL
);
964 core_has_stack (struct target_ops
*ops
)
966 return (core_bfd
!= NULL
);
970 core_has_registers (struct target_ops
*ops
)
972 return (core_bfd
!= NULL
);
975 /* Implement the to_info_proc method. */
978 core_info_proc (struct target_ops
*ops
, const char *args
,
979 enum info_proc_what request
)
981 struct gdbarch
*gdbarch
= get_current_arch ();
983 /* Since this is the core file target, call the 'core_info_proc'
984 method on gdbarch, not 'info_proc'. */
985 if (gdbarch_core_info_proc_p (gdbarch
))
986 gdbarch_core_info_proc (gdbarch
, args
, request
);
989 /* Fill in core_ops with its defined operations and properties. */
994 core_ops
.to_shortname
= "core";
995 core_ops
.to_longname
= "Local core dump file";
997 "Use a core file as a target. Specify the filename of the core file.";
998 core_ops
.to_open
= core_open
;
999 core_ops
.to_close
= core_close
;
1000 core_ops
.to_detach
= core_detach
;
1001 core_ops
.to_fetch_registers
= get_core_registers
;
1002 core_ops
.to_xfer_partial
= core_xfer_partial
;
1003 core_ops
.to_files_info
= core_files_info
;
1004 core_ops
.to_insert_breakpoint
= ignore
;
1005 core_ops
.to_remove_breakpoint
= ignore
;
1006 core_ops
.to_thread_alive
= core_thread_alive
;
1007 core_ops
.to_read_description
= core_read_description
;
1008 core_ops
.to_pid_to_str
= core_pid_to_str
;
1009 core_ops
.to_stratum
= process_stratum
;
1010 core_ops
.to_has_memory
= core_has_memory
;
1011 core_ops
.to_has_stack
= core_has_stack
;
1012 core_ops
.to_has_registers
= core_has_registers
;
1013 core_ops
.to_info_proc
= core_info_proc
;
1014 core_ops
.to_magic
= OPS_MAGIC
;
1017 internal_error (__FILE__
, __LINE__
,
1018 _("init_core_ops: core target already exists (\"%s\")."),
1019 core_target
->to_longname
);
1020 core_target
= &core_ops
;
1024 _initialize_corelow (void)
1028 add_target_with_completer (&core_ops
, filename_completer
);