245 lines
6.6 KiB
C
245 lines
6.6 KiB
C
/* BFD back-end for OSF/1 core files.
|
||
Copyright 1993, 1994, 1995, 1998, 1999, 2001, 2002, 2003, 2004
|
||
Free Software Foundation, Inc.
|
||
|
||
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 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. */
|
||
|
||
/* This file can only be compiled on systems which use OSF/1 style
|
||
core files. */
|
||
|
||
#include "bfd.h"
|
||
#include "sysdep.h"
|
||
#include "libbfd.h"
|
||
|
||
#include <sys/user.h>
|
||
#include <sys/core.h>
|
||
|
||
/* forward declarations */
|
||
|
||
static asection *make_bfd_asection
|
||
PARAMS ((bfd *, const char *, flagword, bfd_size_type, bfd_vma, file_ptr));
|
||
static const bfd_target *osf_core_core_file_p
|
||
PARAMS ((bfd *));
|
||
static char *osf_core_core_file_failing_command
|
||
PARAMS ((bfd *));
|
||
static int osf_core_core_file_failing_signal
|
||
PARAMS ((bfd *));
|
||
static bfd_boolean osf_core_core_file_matches_executable_p
|
||
PARAMS ((bfd *, bfd *));
|
||
static void swap_abort
|
||
PARAMS ((void));
|
||
|
||
/* These are stored in the bfd's tdata */
|
||
|
||
struct osf_core_struct
|
||
{
|
||
int sig;
|
||
char cmd[MAXCOMLEN + 1];
|
||
};
|
||
|
||
#define core_hdr(bfd) ((bfd)->tdata.osf_core_data)
|
||
#define core_signal(bfd) (core_hdr(bfd)->sig)
|
||
#define core_command(bfd) (core_hdr(bfd)->cmd)
|
||
|
||
static asection *
|
||
make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
|
||
bfd *abfd;
|
||
const char *name;
|
||
flagword flags;
|
||
bfd_size_type _raw_size;
|
||
bfd_vma vma;
|
||
file_ptr filepos;
|
||
{
|
||
asection *asect;
|
||
|
||
asect = bfd_make_section_anyway (abfd, name);
|
||
if (!asect)
|
||
return NULL;
|
||
|
||
asect->flags = flags;
|
||
asect->_raw_size = _raw_size;
|
||
asect->vma = vma;
|
||
asect->filepos = filepos;
|
||
asect->alignment_power = 8;
|
||
|
||
return asect;
|
||
}
|
||
|
||
static const bfd_target *
|
||
osf_core_core_file_p (abfd)
|
||
bfd *abfd;
|
||
{
|
||
int val;
|
||
int i;
|
||
char *secname;
|
||
struct core_filehdr core_header;
|
||
bfd_size_type amt;
|
||
|
||
amt = sizeof core_header;
|
||
val = bfd_bread ((PTR) &core_header, amt, abfd);
|
||
if (val != sizeof core_header)
|
||
return NULL;
|
||
|
||
if (strncmp (core_header.magic, "Core", 4) != 0)
|
||
return NULL;
|
||
|
||
core_hdr (abfd) = (struct osf_core_struct *)
|
||
bfd_zalloc (abfd, (bfd_size_type) sizeof (struct osf_core_struct));
|
||
if (!core_hdr (abfd))
|
||
return NULL;
|
||
|
||
strncpy (core_command (abfd), core_header.name, MAXCOMLEN + 1);
|
||
core_signal (abfd) = core_header.signo;
|
||
|
||
for (i = 0; i < core_header.nscns; i++)
|
||
{
|
||
struct core_scnhdr core_scnhdr;
|
||
flagword flags;
|
||
|
||
amt = sizeof core_scnhdr;
|
||
val = bfd_bread ((PTR) &core_scnhdr, amt, abfd);
|
||
if (val != sizeof core_scnhdr)
|
||
break;
|
||
|
||
/* Skip empty sections. */
|
||
if (core_scnhdr.size == 0 || core_scnhdr.scnptr == 0)
|
||
continue;
|
||
|
||
switch (core_scnhdr.scntype)
|
||
{
|
||
case SCNRGN:
|
||
secname = ".data";
|
||
flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
|
||
break;
|
||
case SCNSTACK:
|
||
secname = ".stack";
|
||
flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
|
||
break;
|
||
case SCNREGS:
|
||
secname = ".reg";
|
||
flags = SEC_HAS_CONTENTS;
|
||
break;
|
||
default:
|
||
(*_bfd_error_handler) (_("Unhandled OSF/1 core file section type %d\n"),
|
||
core_scnhdr.scntype);
|
||
continue;
|
||
}
|
||
|
||
if (!make_bfd_asection (abfd, secname, flags,
|
||
(bfd_size_type) core_scnhdr.size,
|
||
(bfd_vma) core_scnhdr.vaddr,
|
||
(file_ptr) core_scnhdr.scnptr))
|
||
goto fail;
|
||
}
|
||
|
||
/* OK, we believe you. You're a core file (sure, sure). */
|
||
|
||
return abfd->xvec;
|
||
|
||
fail:
|
||
bfd_release (abfd, core_hdr (abfd));
|
||
core_hdr (abfd) = NULL;
|
||
bfd_section_list_clear (abfd);
|
||
return NULL;
|
||
}
|
||
|
||
static char *
|
||
osf_core_core_file_failing_command (abfd)
|
||
bfd *abfd;
|
||
{
|
||
return core_command (abfd);
|
||
}
|
||
|
||
static int
|
||
osf_core_core_file_failing_signal (abfd)
|
||
bfd *abfd;
|
||
{
|
||
return core_signal (abfd);
|
||
}
|
||
|
||
static bfd_boolean
|
||
osf_core_core_file_matches_executable_p (core_bfd, exec_bfd)
|
||
bfd *core_bfd ATTRIBUTE_UNUSED;
|
||
bfd *exec_bfd ATTRIBUTE_UNUSED;
|
||
{
|
||
return TRUE; /* FIXME, We have no way of telling at this point */
|
||
}
|
||
|
||
/* If somebody calls any byte-swapping routines, shoot them. */
|
||
static void
|
||
swap_abort()
|
||
{
|
||
abort(); /* This way doesn't require any declaration for ANSI to fuck up */
|
||
}
|
||
|
||
#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 osf_core_vec =
|
||
{
|
||
"osf-core",
|
||
bfd_target_unknown_flavour,
|
||
BFD_ENDIAN_LITTLE, /* target byte order */
|
||
BFD_ENDIAN_LITTLE, /* target headers byte order */
|
||
(HAS_RELOC | EXEC_P | /* object flags */
|
||
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 */
|
||
' ', /* ar_pad_char */
|
||
16, /* ar_max_namelen */
|
||
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 */
|
||
osf_core_core_file_p /* a core file */
|
||
},
|
||
{ /* bfd_set_format */
|
||
bfd_false, bfd_false,
|
||
bfd_false, bfd_false
|
||
},
|
||
{ /* bfd_write_contents */
|
||
bfd_false, bfd_false,
|
||
bfd_false, bfd_false
|
||
},
|
||
|
||
BFD_JUMP_TABLE_GENERIC (_bfd_generic),
|
||
BFD_JUMP_TABLE_COPY (_bfd_generic),
|
||
BFD_JUMP_TABLE_CORE (osf_core),
|
||
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 */
|
||
};
|