/* BFD backend for core files which use the ptrace_user structure
- Copyright 1993, 94, 95, 96, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1993-2020 Free Software Foundation, Inc.
The structure of this file is based on trad-core.c written by John Gilmore
of Cygnus Support.
Modified to work with the ptrace_user structure by Kevin A. Buettner.
(Longterm it may be better to merge this file with trad-core.c)
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#ifdef PTRACE_CORE
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include <sys/param.h>
#include <signal.h>
#include <sys/ptrace.h>
-
struct trad_core_struct
- {
- asection *data_section;
- asection *stack_section;
- asection *reg_section;
- struct ptrace_user u;
- };
+{
+ asection *data_section;
+ asection *stack_section;
+ asection *reg_section;
+ struct ptrace_user u;
+};
-#define core_upage(bfd) (&((bfd)->tdata.trad_core_data->u))
-#define core_datasec(bfd) ((bfd)->tdata.trad_core_data->data_section)
+#define core_upage(bfd) (&((bfd)->tdata.trad_core_data->u))
+#define core_datasec(bfd) ((bfd)->tdata.trad_core_data->data_section)
#define core_stacksec(bfd) ((bfd)->tdata.trad_core_data->stack_section)
-#define core_regsec(bfd) ((bfd)->tdata.trad_core_data->reg_section)
+#define core_regsec(bfd) ((bfd)->tdata.trad_core_data->reg_section)
/* forward declarations */
-const bfd_target *ptrace_unix_core_file_p PARAMS ((bfd *abfd));
-char * ptrace_unix_core_file_failing_command PARAMS ((bfd *abfd));
-int ptrace_unix_core_file_failing_signal PARAMS ((bfd *abfd));
-boolean ptrace_unix_core_file_matches_executable_p
- PARAMS ((bfd *core_bfd, bfd *exec_bfd));
-static void swap_abort PARAMS ((void));
-
-/* ARGSUSED */
-const bfd_target *
-ptrace_unix_core_file_p (abfd)
- bfd *abfd;
+const bfd_target *ptrace_unix_core_file_p (bfd *abfd);
+char * ptrace_unix_core_file_failing_command (bfd *abfd);
+int ptrace_unix_core_file_failing_signal (bfd *abfd);
+#define ptrace_unix_core_file_matches_executable_p generic_core_file_matches_executable_p
+#define ptrace_unix_core_file_pid _bfd_nocore_core_file_pid
+static void swap_abort (void);
+bfd_cleanup
+ptrace_unix_core_file_p (bfd *abfd)
{
int val;
struct ptrace_user u;
struct trad_core_struct *rawptr;
+ size_t amt;
+ flagword flags;
- val = bfd_read ((void *)&u, 1, sizeof u, abfd);
- if (val != sizeof u || u.pt_magic != _BCS_PTRACE_MAGIC
+ val = bfd_bread ((void *)&u, (bfd_size_type) sizeof u, abfd);
+ if (val != sizeof u || u.pt_magic != _BCS_PTRACE_MAGIC
|| u.pt_rev != _BCS_PTRACE_REV)
{
/* Too small to be a core file */
/* Allocate both the upage and the struct core_data at once, so
a single free() will free them both. */
- rawptr = (struct trad_core_struct *)
- bfd_zalloc (abfd, sizeof (struct trad_core_struct));
+ amt = sizeof (struct trad_core_struct);
+ rawptr = (struct trad_core_struct *) bfd_zalloc (abfd, amt);
if (rawptr == NULL)
return 0;
-
+
abfd->tdata.trad_core_data = rawptr;
rawptr->u = u; /*Copy the uarea into the tdata part of the bfd */
- /* Create the sections. This is raunchy, but bfd_close wants to free
- them separately. */
+ /* Create the sections. */
- core_stacksec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
+ flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
+ core_stacksec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".stack",
+ flags);
if (core_stacksec (abfd) == NULL)
- return NULL;
- core_datasec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
+ goto fail;
+ core_datasec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".data",
+ flags);
if (core_datasec (abfd) == NULL)
- return NULL;
- core_regsec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
+ goto fail;
+ core_regsec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg",
+ SEC_HAS_CONTENTS);
if (core_regsec (abfd) == NULL)
- return NULL;
-
- core_stacksec (abfd)->name = ".stack";
- core_datasec (abfd)->name = ".data";
- core_regsec (abfd)->name = ".reg";
+ goto fail;
/* FIXME: Need to worry about shared memory, library data, and library
text. I don't think that any of these things are supported on the
- system on which I am developing this for though. */
+ system on which I am developing this for though. */
-
- core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
- core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
- core_regsec (abfd)->flags = SEC_HAS_CONTENTS;
-
- core_datasec (abfd)->_raw_size = u.pt_dsize;
- core_stacksec (abfd)->_raw_size = u.pt_ssize;
- core_regsec (abfd)->_raw_size = sizeof(u);
+ core_datasec (abfd)->size = u.pt_dsize;
+ core_stacksec (abfd)->size = u.pt_ssize;
+ core_regsec (abfd)->size = sizeof (u);
core_datasec (abfd)->vma = u.pt_o_data_start;
core_stacksec (abfd)->vma = USRSTACK - u.pt_ssize;
- core_regsec (abfd)->vma = 0 - sizeof(u); /* see trad-core.c */
+ core_regsec (abfd)->vma = 0 - sizeof (u); /* see trad-core.c */
core_datasec (abfd)->filepos = (int) u.pt_dataptr;
core_stacksec (abfd)->filepos = (int) (u.pt_dataptr + u.pt_dsize);
core_datasec (abfd)->alignment_power = 2;
core_regsec (abfd)->alignment_power = 2;
- abfd->sections = core_stacksec (abfd);
- core_stacksec (abfd)->next = core_datasec (abfd);
- core_datasec (abfd)->next = core_regsec (abfd);
- abfd->section_count = 3;
+ return _bfd_no_cleanup;
- return abfd->xvec;
+ fail:
+ bfd_release (abfd, abfd->tdata.any);
+ abfd->tdata.any = NULL;
+ bfd_section_list_clear (abfd);
+ return NULL;
}
char *
-ptrace_unix_core_file_failing_command (abfd)
- bfd *abfd;
+ptrace_unix_core_file_failing_command (bfd *abfd)
{
char *com = abfd->tdata.trad_core_data->u.pt_comm;
+
if (*com)
return com;
else
return 0;
}
-/* ARGSUSED */
int
-ptrace_unix_core_file_failing_signal (abfd)
- bfd *abfd;
+ptrace_unix_core_file_failing_signal (bfd *abfd)
{
return abfd->tdata.trad_core_data->u.pt_sigframe.sig_num;
}
-
-/* ARGSUSED */
-boolean
-ptrace_unix_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd, *exec_bfd;
-{
- /* FIXME: Use pt_timdat field of the ptrace_user structure to match
- the date of the executable */
- return true;
-}
\f
/* If somebody calls any byte-swapping routines, shoot them. */
static void
-swap_abort()
+swap_abort (void)
{
- abort(); /* This way doesn't require any declaration for ANSI to fuck up */
+ abort (); /* This way doesn't require any declaration for ANSI to fuck up */
}
-#define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort )
-#define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
-#define NO_SIGNED_GET \
- ((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )
-const bfd_target ptrace_core_vec =
+#define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
+#define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
+#define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
+#define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
+#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
+#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
+
+const bfd_target core_ptrace_vec =
{
"trad-core",
bfd_target_unknown_flavour,
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- 0, /* symbol prefix */
+ 0, /* symbol prefix */
' ', /* ar_pad_char */
16, /* ar_max_namelen */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */
+ NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */
+ NO_GET, NO_GETS, NO_PUT, /* 32 bit data */
+ NO_GET, NO_GETS, NO_PUT, /* 16 bit data */
+ NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */
+ NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */
+ NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs */
{ /* bfd_check_format */
- _bfd_dummy_target, /* unknown format */
- _bfd_dummy_target, /* object file */
- _bfd_dummy_target, /* archive */
- ptrace_unix_core_file_p /* a core file */
+ _bfd_dummy_target, /* unknown format */
+ _bfd_dummy_target, /* object file */
+ _bfd_dummy_target, /* archive */
+ ptrace_unix_core_file_p /* a core file */
},
{ /* bfd_set_format */
- bfd_false, bfd_false,
- bfd_false, bfd_false
+ _bfd_bool_bfd_false_error, bfd_false,
+ _bfd_bool_bfd_false_error, bfd_false
},
{ /* bfd_write_contents */
- bfd_false, bfd_false,
- bfd_false, bfd_false
+ _bfd_bool_bfd_false_error, bfd_false,
+ _bfd_bool_bfd_false_error, bfd_false
},
-
- BFD_JUMP_TABLE_GENERIC (_bfd_generic),
- BFD_JUMP_TABLE_COPY (_bfd_generic),
- BFD_JUMP_TABLE_CORE (ptrace_unix),
- BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
- BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
- BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
- BFD_JUMP_TABLE_WRITE (_bfd_generic),
- BFD_JUMP_TABLE_LINK (_bfd_nolink),
- BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ BFD_JUMP_TABLE_GENERIC (_bfd_generic),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (ptrace_unix),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+ BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
+ BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
+ BFD_JUMP_TABLE_WRITE (_bfd_generic),
+ BFD_JUMP_TABLE_LINK (_bfd_nolink),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
NULL,
-
- (PTR) 0 /* backend_data */
-};
+
+ NULL /* backend_data */
+ };
#endif /* PTRACE_CORE */
projects / deliverable / binutils-gdb.git / blobdiff