1 /* Core dump and executable file functions below target vector, for GDB.
3 Copyright (C) 1986-2017 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"
42 #include "filenames.h"
43 #include "progspace.h"
46 #include "completer.h"
47 #include "filestuff.h"
53 /* List of all available core_fns. On gdb startup, each core file
54 register reader calls deprecated_add_core_fns() to register
55 information on each core format it is prepared to read. */
57 static struct core_fns
*core_file_fns
= NULL
;
59 /* The core_fns for a core file handler that is prepared to read the
60 core file currently open on core_bfd. */
62 static struct core_fns
*core_vec
= NULL
;
64 /* FIXME: kettenis/20031023: Eventually this variable should
67 static struct gdbarch
*core_gdbarch
= NULL
;
69 /* Per-core data. Currently, only the section table. Note that these
70 target sections are *not* mapped in the current address spaces' set
71 of target sections --- those should come only from pure executable
72 or shared library bfds. The core bfd sections are an
73 implementation detail of the core target, just like ptrace is for
74 unix child targets. */
75 static struct target_section_table
*core_data
;
77 static void core_files_info (struct target_ops
*);
79 static struct core_fns
*sniff_core_bfd (bfd
*);
81 static int gdb_check_format (bfd
*);
83 static void core_close (struct target_ops
*self
);
85 static void core_close_cleanup (void *ignore
);
87 static void add_to_thread_list (bfd
*, asection
*, void *);
89 static void init_core_ops (void);
91 void _initialize_corelow (void);
93 static struct target_ops core_ops
;
95 /* An arbitrary identifier for the core inferior. */
98 /* Link a new core_fns into the global core_file_fns list. Called on
99 gdb startup by the _initialize routine in each core file register
100 reader, to register information about each format the reader is
101 prepared to handle. */
104 deprecated_add_core_fns (struct core_fns
*cf
)
106 cf
->next
= core_file_fns
;
110 /* The default function that core file handlers can use to examine a
111 core file BFD and decide whether or not to accept the job of
112 reading the core file. */
115 default_core_sniffer (struct core_fns
*our_fns
, bfd
*abfd
)
119 result
= (bfd_get_flavour (abfd
) == our_fns
-> core_flavour
);
123 /* Walk through the list of core functions to find a set that can
124 handle the core file open on ABFD. Returns pointer to set that is
127 static struct core_fns
*
128 sniff_core_bfd (bfd
*abfd
)
131 struct core_fns
*yummy
= NULL
;
134 /* Don't sniff if we have support for register sets in
136 if (core_gdbarch
&& gdbarch_iterate_over_regset_sections_p (core_gdbarch
))
139 for (cf
= core_file_fns
; cf
!= NULL
; cf
= cf
->next
)
141 if (cf
->core_sniffer (cf
, abfd
))
149 warning (_("\"%s\": ambiguous core format, %d handlers match"),
150 bfd_get_filename (abfd
), matches
);
152 else if (matches
== 0)
153 error (_("\"%s\": no core file handler recognizes format"),
154 bfd_get_filename (abfd
));
159 /* The default is to reject every core file format we see. Either
160 BFD has to recognize it, or we have to provide a function in the
161 core file handler that recognizes it. */
164 default_check_format (bfd
*abfd
)
169 /* Attempt to recognize core file formats that BFD rejects. */
172 gdb_check_format (bfd
*abfd
)
176 for (cf
= core_file_fns
; cf
!= NULL
; cf
= cf
->next
)
178 if (cf
->check_format (abfd
))
186 /* Discard all vestiges of any previous core file and mark data and
187 stack spaces as empty. */
190 core_close (struct target_ops
*self
)
194 int pid
= ptid_get_pid (inferior_ptid
);
195 inferior_ptid
= null_ptid
; /* Avoid confusion from thread
198 exit_inferior_silent (pid
);
200 /* Clear out solib state while the bfd is still open. See
201 comments in clear_solib in solib.c. */
206 xfree (core_data
->sections
);
211 gdb_bfd_unref (core_bfd
);
219 core_close_cleanup (void *ignore
)
224 /* Look for sections whose names start with `.reg/' so that we can
225 extract the list of threads in a core file. */
228 add_to_thread_list (bfd
*abfd
, asection
*asect
, void *reg_sect_arg
)
233 asection
*reg_sect
= (asection
*) reg_sect_arg
;
235 struct inferior
*inf
;
237 if (!startswith (bfd_section_name (abfd
, asect
), ".reg/"))
240 core_tid
= atoi (bfd_section_name (abfd
, asect
) + 5);
242 pid
= bfd_core_file_pid (core_bfd
);
251 inf
= current_inferior ();
254 inferior_appeared (inf
, pid
);
255 inf
->fake_pid_p
= fake_pid_p
;
258 ptid
= ptid_build (pid
, lwpid
, 0);
262 /* Warning, Will Robinson, looking at BFD private data! */
265 && asect
->filepos
== reg_sect
->filepos
) /* Did we find .reg? */
266 inferior_ptid
= ptid
; /* Yes, make it current. */
269 /* This routine opens and sets up the core file bfd. */
272 core_open (const char *arg
, int from_tty
)
276 struct cleanup
*old_chain
;
281 target_preopen (from_tty
);
285 error (_("No core file specified. (Use `detach' "
286 "to stop debugging a core file.)"));
288 error (_("No core file specified."));
291 gdb::unique_xmalloc_ptr
<char> filename (tilde_expand (arg
));
292 if (!IS_ABSOLUTE_PATH (filename
.get ()))
293 filename
.reset (concat (current_directory
, "/",
294 filename
.get (), (char *) NULL
));
296 flags
= O_BINARY
| O_LARGEFILE
;
301 scratch_chan
= gdb_open_cloexec (filename
.get (), flags
, 0);
302 if (scratch_chan
< 0)
303 perror_with_name (filename
.get ());
305 gdb_bfd_ref_ptr
temp_bfd (gdb_bfd_fopen (filename
.get (), gnutarget
,
306 write_files
? FOPEN_RUB
: FOPEN_RB
,
308 if (temp_bfd
== NULL
)
309 perror_with_name (filename
.get ());
311 if (!bfd_check_format (temp_bfd
.get (), bfd_core
)
312 && !gdb_check_format (temp_bfd
.get ()))
314 /* Do it after the err msg */
315 /* FIXME: should be checking for errors from bfd_close (for one
316 thing, on error it does not free all the storage associated
318 error (_("\"%s\" is not a core dump: %s"),
319 filename
.get (), bfd_errmsg (bfd_get_error ()));
322 /* Looks semi-reasonable. Toss the old core file and work on the
325 unpush_target (&core_ops
);
326 core_bfd
= temp_bfd
.release ();
327 old_chain
= make_cleanup (core_close_cleanup
, 0 /*ignore*/);
329 core_gdbarch
= gdbarch_from_bfd (core_bfd
);
331 /* Find a suitable core file handler to munch on core_bfd */
332 core_vec
= sniff_core_bfd (core_bfd
);
336 core_data
= XCNEW (struct target_section_table
);
338 /* Find the data section */
339 if (build_section_table (core_bfd
,
340 &core_data
->sections
,
341 &core_data
->sections_end
))
342 error (_("\"%s\": Can't find sections: %s"),
343 bfd_get_filename (core_bfd
), bfd_errmsg (bfd_get_error ()));
345 /* If we have no exec file, try to set the architecture from the
346 core file. We don't do this unconditionally since an exec file
347 typically contains more information that helps us determine the
348 architecture than a core file. */
350 set_gdbarch_from_file (core_bfd
);
352 push_target (&core_ops
);
353 discard_cleanups (old_chain
);
355 /* Do this before acknowledging the inferior, so if
356 post_create_inferior throws (can happen easilly if you're loading
357 a core file with the wrong exec), we aren't left with threads
358 from the previous inferior. */
361 inferior_ptid
= null_ptid
;
363 /* Need to flush the register cache (and the frame cache) from a
364 previous debug session. If inferior_ptid ends up the same as the
365 last debug session --- e.g., b foo; run; gcore core1; step; gcore
366 core2; core core1; core core2 --- then there's potential for
367 get_current_regcache to return the cached regcache of the
368 previous session, and the frame cache being stale. */
369 registers_changed ();
371 /* Build up thread list from BFD sections, and possibly set the
372 current thread to the .reg/NN section matching the .reg
374 bfd_map_over_sections (core_bfd
, add_to_thread_list
,
375 bfd_get_section_by_name (core_bfd
, ".reg"));
377 if (ptid_equal (inferior_ptid
, null_ptid
))
379 /* Either we found no .reg/NN section, and hence we have a
380 non-threaded core (single-threaded, from gdb's perspective),
381 or for some reason add_to_thread_list couldn't determine
382 which was the "main" thread. The latter case shouldn't
383 usually happen, but we're dealing with input here, which can
384 always be broken in different ways. */
385 struct thread_info
*thread
= first_thread_of_process (-1);
389 inferior_appeared (current_inferior (), CORELOW_PID
);
390 inferior_ptid
= pid_to_ptid (CORELOW_PID
);
391 add_thread_silent (inferior_ptid
);
394 switch_to_thread (thread
->ptid
);
397 post_create_inferior (&core_ops
, from_tty
);
399 /* Now go through the target stack looking for threads since there
400 may be a thread_stratum target loaded on top of target core by
401 now. The layer above should claim threads found in the BFD
405 target_update_thread_list ();
408 CATCH (except
, RETURN_MASK_ERROR
)
410 exception_print (gdb_stderr
, except
);
414 p
= bfd_core_file_failing_command (core_bfd
);
416 printf_filtered (_("Core was generated by `%s'.\n"), p
);
418 /* Clearing any previous state of convenience variables. */
419 clear_exit_convenience_vars ();
421 siggy
= bfd_core_file_failing_signal (core_bfd
);
424 /* If we don't have a CORE_GDBARCH to work with, assume a native
425 core (map gdb_signal from host signals). If we do have
426 CORE_GDBARCH to work with, but no gdb_signal_from_target
427 implementation for that gdbarch, as a fallback measure,
428 assume the host signal mapping. It'll be correct for native
429 cores, but most likely incorrect for cross-cores. */
430 enum gdb_signal sig
= (core_gdbarch
!= NULL
431 && gdbarch_gdb_signal_from_target_p (core_gdbarch
)
432 ? gdbarch_gdb_signal_from_target (core_gdbarch
,
434 : gdb_signal_from_host (siggy
));
436 printf_filtered (_("Program terminated with signal %s, %s.\n"),
437 gdb_signal_to_name (sig
), gdb_signal_to_string (sig
));
439 /* Set the value of the internal variable $_exitsignal,
440 which holds the signal uncaught by the inferior. */
441 set_internalvar_integer (lookup_internalvar ("_exitsignal"),
445 /* Fetch all registers from core file. */
446 target_fetch_registers (get_current_regcache (), -1);
448 /* Now, set up the frame cache, and print the top of stack. */
449 reinit_frame_cache ();
450 print_stack_frame (get_selected_frame (NULL
), 1, SRC_AND_LOC
, 1);
452 /* Current thread should be NUM 1 but the user does not know that.
453 If a program is single threaded gdb in general does not mention
454 anything about threads. That is why the test is >= 2. */
455 if (thread_count () >= 2)
459 thread_command (NULL
, from_tty
);
461 CATCH (except
, RETURN_MASK_ERROR
)
463 exception_print (gdb_stderr
, except
);
470 core_detach (struct target_ops
*ops
, const char *args
, int from_tty
)
473 error (_("Too many arguments"));
475 reinit_frame_cache ();
477 printf_filtered (_("No core file now.\n"));
480 /* Try to retrieve registers from a section in core_bfd, and supply
481 them to core_vec->core_read_registers, as the register set numbered
484 If ptid's lwp member is zero, do the single-threaded
485 thing: look for a section named NAME. If ptid's lwp
486 member is non-zero, do the multi-threaded thing: look for a section
487 named "NAME/LWP", where LWP is the shortest ASCII decimal
488 representation of ptid's lwp member.
490 HUMAN_NAME is a human-readable name for the kind of registers the
491 NAME section contains, for use in error messages.
493 If REQUIRED is non-zero, print an error if the core file doesn't
494 have a section by the appropriate name. Otherwise, just do
498 get_core_register_section (struct regcache
*regcache
,
499 const struct regset
*regset
,
503 const char *human_name
,
506 struct bfd_section
*section
;
509 bool variable_size_section
= (regset
!= NULL
510 && regset
->flags
& REGSET_VARIABLE_SIZE
);
512 thread_section_name
section_name (name
, regcache
->ptid ());
514 section
= bfd_get_section_by_name (core_bfd
, section_name
.c_str ());
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."),
527 section_name
.c_str ());
530 if (size
!= min_size
&& !variable_size_section
)
532 warning (_("Unexpected size of section `%s' in core file."),
533 section_name
.c_str ());
536 contents
= (char *) alloca (size
);
537 if (! bfd_get_section_contents (core_bfd
, section
, contents
,
540 warning (_("Couldn't read %s registers from `%s' section in core file."),
541 human_name
, section_name
.c_str ());
547 regset
->supply_regset (regset
, regcache
, -1, contents
, size
);
551 gdb_assert (core_vec
);
552 core_vec
->core_read_registers (regcache
, contents
, size
, which
,
554 bfd_section_vma (core_bfd
, section
)));
557 /* Callback for get_core_registers that handles a single core file
558 register note section. */
561 get_core_registers_cb (const char *sect_name
, int size
,
562 const struct regset
*regset
,
563 const char *human_name
, void *cb_data
)
565 struct regcache
*regcache
= (struct regcache
*) cb_data
;
568 if (strcmp (sect_name
, ".reg") == 0)
571 if (human_name
== NULL
)
572 human_name
= "general-purpose";
574 else if (strcmp (sect_name
, ".reg2") == 0)
576 if (human_name
== NULL
)
577 human_name
= "floating-point";
580 /* The 'which' parameter is only used when no regset is provided.
581 Thus we just set it to -1. */
582 get_core_register_section (regcache
, regset
, sect_name
,
583 size
, -1, human_name
, required
);
586 /* Get the registers out of a core file. This is the machine-
587 independent part. Fetch_core_registers is the machine-dependent
588 part, typically implemented in the xm-file for each
591 /* We just get all the registers, so we don't use regno. */
594 get_core_registers (struct target_ops
*ops
,
595 struct regcache
*regcache
, int regno
)
598 struct gdbarch
*gdbarch
;
600 if (!(core_gdbarch
&& gdbarch_iterate_over_regset_sections_p (core_gdbarch
))
601 && (core_vec
== NULL
|| core_vec
->core_read_registers
== NULL
))
603 fprintf_filtered (gdb_stderr
,
604 "Can't fetch registers from this type of core file\n");
608 gdbarch
= get_regcache_arch (regcache
);
609 if (gdbarch_iterate_over_regset_sections_p (gdbarch
))
610 gdbarch_iterate_over_regset_sections (gdbarch
,
611 get_core_registers_cb
,
612 (void *) regcache
, NULL
);
615 get_core_register_section (regcache
, NULL
,
616 ".reg", 0, 0, "general-purpose", 1);
617 get_core_register_section (regcache
, NULL
,
618 ".reg2", 0, 2, "floating-point", 0);
621 /* Mark all registers not found in the core as unavailable. */
622 for (i
= 0; i
< gdbarch_num_regs (get_regcache_arch (regcache
)); i
++)
623 if (regcache_register_status (regcache
, i
) == REG_UNKNOWN
)
624 regcache_raw_supply (regcache
, i
, NULL
);
628 core_files_info (struct target_ops
*t
)
630 print_section_info (core_data
, core_bfd
);
643 add_to_spuid_list (bfd
*abfd
, asection
*asect
, void *list_p
)
645 struct spuid_list
*list
= (struct spuid_list
*) list_p
;
646 enum bfd_endian byte_order
647 = bfd_big_endian (abfd
) ? BFD_ENDIAN_BIG
: BFD_ENDIAN_LITTLE
;
650 sscanf (bfd_section_name (abfd
, asect
), "SPU/%d/regs%n", &fd
, &pos
);
654 if (list
->pos
>= list
->offset
&& list
->pos
+ 4 <= list
->offset
+ list
->len
)
656 store_unsigned_integer (list
->buf
+ list
->pos
- list
->offset
,
663 static enum target_xfer_status
664 core_xfer_partial (struct target_ops
*ops
, enum target_object object
,
665 const char *annex
, gdb_byte
*readbuf
,
666 const gdb_byte
*writebuf
, ULONGEST offset
,
667 ULONGEST len
, ULONGEST
*xfered_len
)
671 case TARGET_OBJECT_MEMORY
:
672 return section_table_xfer_memory_partial (readbuf
, writebuf
,
673 offset
, len
, xfered_len
,
675 core_data
->sections_end
,
678 case TARGET_OBJECT_AUXV
:
681 /* When the aux vector is stored in core file, BFD
682 represents this with a fake section called ".auxv". */
684 struct bfd_section
*section
;
687 section
= bfd_get_section_by_name (core_bfd
, ".auxv");
689 return TARGET_XFER_E_IO
;
691 size
= bfd_section_size (core_bfd
, section
);
693 return TARGET_XFER_EOF
;
699 return TARGET_XFER_EOF
;
700 if (!bfd_get_section_contents (core_bfd
, section
, readbuf
,
701 (file_ptr
) offset
, size
))
703 warning (_("Couldn't read NT_AUXV note in core file."));
704 return TARGET_XFER_E_IO
;
707 *xfered_len
= (ULONGEST
) size
;
708 return TARGET_XFER_OK
;
710 return TARGET_XFER_E_IO
;
712 case TARGET_OBJECT_WCOOKIE
:
715 /* When the StackGhost cookie is stored in core file, BFD
716 represents this with a fake section called
719 struct bfd_section
*section
;
722 section
= bfd_get_section_by_name (core_bfd
, ".wcookie");
724 return TARGET_XFER_E_IO
;
726 size
= bfd_section_size (core_bfd
, section
);
728 return TARGET_XFER_EOF
;
734 return TARGET_XFER_EOF
;
735 if (!bfd_get_section_contents (core_bfd
, section
, readbuf
,
736 (file_ptr
) offset
, size
))
738 warning (_("Couldn't read StackGhost cookie in core file."));
739 return TARGET_XFER_E_IO
;
742 *xfered_len
= (ULONGEST
) size
;
743 return TARGET_XFER_OK
;
746 return TARGET_XFER_E_IO
;
748 case TARGET_OBJECT_LIBRARIES
:
750 && gdbarch_core_xfer_shared_libraries_p (core_gdbarch
))
753 return TARGET_XFER_E_IO
;
756 *xfered_len
= gdbarch_core_xfer_shared_libraries (core_gdbarch
,
760 if (*xfered_len
== 0)
761 return TARGET_XFER_EOF
;
763 return TARGET_XFER_OK
;
768 case TARGET_OBJECT_LIBRARIES_AIX
:
770 && gdbarch_core_xfer_shared_libraries_aix_p (core_gdbarch
))
773 return TARGET_XFER_E_IO
;
777 = gdbarch_core_xfer_shared_libraries_aix (core_gdbarch
,
781 if (*xfered_len
== 0)
782 return TARGET_XFER_EOF
;
784 return TARGET_XFER_OK
;
789 case TARGET_OBJECT_SPU
:
790 if (readbuf
&& annex
)
792 /* When the SPU contexts are stored in a core file, BFD
793 represents this with a fake section called
796 struct bfd_section
*section
;
798 char sectionstr
[100];
800 xsnprintf (sectionstr
, sizeof sectionstr
, "SPU/%s", annex
);
802 section
= bfd_get_section_by_name (core_bfd
, sectionstr
);
804 return TARGET_XFER_E_IO
;
806 size
= bfd_section_size (core_bfd
, section
);
808 return TARGET_XFER_EOF
;
814 return TARGET_XFER_EOF
;
815 if (!bfd_get_section_contents (core_bfd
, section
, readbuf
,
816 (file_ptr
) offset
, size
))
818 warning (_("Couldn't read SPU section in core file."));
819 return TARGET_XFER_E_IO
;
822 *xfered_len
= (ULONGEST
) size
;
823 return TARGET_XFER_OK
;
827 /* NULL annex requests list of all present spuids. */
828 struct spuid_list list
;
831 list
.offset
= offset
;
835 bfd_map_over_sections (core_bfd
, add_to_spuid_list
, &list
);
837 if (list
.written
== 0)
838 return TARGET_XFER_EOF
;
841 *xfered_len
= (ULONGEST
) list
.written
;
842 return TARGET_XFER_OK
;
845 return TARGET_XFER_E_IO
;
847 case TARGET_OBJECT_SIGNAL_INFO
:
851 && gdbarch_core_xfer_siginfo_p (core_gdbarch
))
853 LONGEST l
= gdbarch_core_xfer_siginfo (core_gdbarch
, readbuf
,
860 return TARGET_XFER_EOF
;
862 return TARGET_XFER_OK
;
866 return TARGET_XFER_E_IO
;
869 return ops
->beneath
->to_xfer_partial (ops
->beneath
, object
,
871 writebuf
, offset
, len
,
877 /* If mourn is being called in all the right places, this could be say
878 `gdb internal error' (since generic_mourn calls
879 breakpoint_init_inferior). */
882 ignore (struct target_ops
*ops
, struct gdbarch
*gdbarch
,
883 struct bp_target_info
*bp_tgt
)
888 /* Implement the to_remove_breakpoint method. */
891 core_remove_breakpoint (struct target_ops
*ops
, struct gdbarch
*gdbarch
,
892 struct bp_target_info
*bp_tgt
,
893 enum remove_bp_reason reason
)
899 /* Okay, let's be honest: threads gleaned from a core file aren't
900 exactly lively, are they? On the other hand, if we don't claim
901 that each & every one is alive, then we don't get any of them
902 to appear in an "info thread" command, which is quite a useful
906 core_thread_alive (struct target_ops
*ops
, ptid_t ptid
)
911 /* Ask the current architecture what it knows about this core file.
912 That will be used, in turn, to pick a better architecture. This
913 wrapper could be avoided if targets got a chance to specialize
916 static const struct target_desc
*
917 core_read_description (struct target_ops
*target
)
919 if (core_gdbarch
&& gdbarch_core_read_description_p (core_gdbarch
))
921 const struct target_desc
*result
;
923 result
= gdbarch_core_read_description (core_gdbarch
,
929 return target
->beneath
->to_read_description (target
->beneath
);
933 core_pid_to_str (struct target_ops
*ops
, ptid_t ptid
)
936 struct inferior
*inf
;
939 /* The preferred way is to have a gdbarch/OS specific
942 && gdbarch_core_pid_to_str_p (core_gdbarch
))
943 return gdbarch_core_pid_to_str (core_gdbarch
, ptid
);
945 /* Otherwise, if we don't have one, we'll just fallback to
946 "process", with normal_pid_to_str. */
948 /* Try the LWPID field first. */
949 pid
= ptid_get_lwp (ptid
);
951 return normal_pid_to_str (pid_to_ptid (pid
));
953 /* Otherwise, this isn't a "threaded" core -- use the PID field, but
954 only if it isn't a fake PID. */
955 inf
= find_inferior_ptid (ptid
);
956 if (inf
!= NULL
&& !inf
->fake_pid_p
)
957 return normal_pid_to_str (ptid
);
959 /* No luck. We simply don't have a valid PID to print. */
960 xsnprintf (buf
, sizeof buf
, "<main task>");
965 core_thread_name (struct target_ops
*self
, struct thread_info
*thr
)
968 && gdbarch_core_thread_name_p (core_gdbarch
))
969 return gdbarch_core_thread_name (core_gdbarch
, thr
);
974 core_has_memory (struct target_ops
*ops
)
976 return (core_bfd
!= NULL
);
980 core_has_stack (struct target_ops
*ops
)
982 return (core_bfd
!= NULL
);
986 core_has_registers (struct target_ops
*ops
)
988 return (core_bfd
!= NULL
);
991 /* Implement the to_info_proc method. */
994 core_info_proc (struct target_ops
*ops
, const char *args
,
995 enum info_proc_what request
)
997 struct gdbarch
*gdbarch
= get_current_arch ();
999 /* Since this is the core file target, call the 'core_info_proc'
1000 method on gdbarch, not 'info_proc'. */
1001 if (gdbarch_core_info_proc_p (gdbarch
))
1002 gdbarch_core_info_proc (gdbarch
, args
, request
);
1005 /* Fill in core_ops with its defined operations and properties. */
1008 init_core_ops (void)
1010 core_ops
.to_shortname
= "core";
1011 core_ops
.to_longname
= "Local core dump file";
1013 "Use a core file as a target. Specify the filename of the core file.";
1014 core_ops
.to_open
= core_open
;
1015 core_ops
.to_close
= core_close
;
1016 core_ops
.to_detach
= core_detach
;
1017 core_ops
.to_fetch_registers
= get_core_registers
;
1018 core_ops
.to_xfer_partial
= core_xfer_partial
;
1019 core_ops
.to_files_info
= core_files_info
;
1020 core_ops
.to_insert_breakpoint
= ignore
;
1021 core_ops
.to_remove_breakpoint
= core_remove_breakpoint
;
1022 core_ops
.to_thread_alive
= core_thread_alive
;
1023 core_ops
.to_read_description
= core_read_description
;
1024 core_ops
.to_pid_to_str
= core_pid_to_str
;
1025 core_ops
.to_thread_name
= core_thread_name
;
1026 core_ops
.to_stratum
= process_stratum
;
1027 core_ops
.to_has_memory
= core_has_memory
;
1028 core_ops
.to_has_stack
= core_has_stack
;
1029 core_ops
.to_has_registers
= core_has_registers
;
1030 core_ops
.to_info_proc
= core_info_proc
;
1031 core_ops
.to_magic
= OPS_MAGIC
;
1034 internal_error (__FILE__
, __LINE__
,
1035 _("init_core_ops: core target already exists (\"%s\")."),
1036 core_target
->to_longname
);
1037 core_target
= &core_ops
;
1041 _initialize_corelow (void)
1045 add_target_with_completer (&core_ops
, filename_completer
);