257 lines
7.2 KiB
C
257 lines
7.2 KiB
C
|
/* BFD back-end for OSF/1 core files.
|
|||
|
|
Copyright 1993, 94, 95, 1997 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 <stdio.h>
|
|||
|
|
#include <string.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 asymbol *
|
|||
|
|
osf_core_make_empty_symbol PARAMS ((bfd *));
|
|||
|
|
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 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 asymbol *
|
|||
|
|
osf_core_make_empty_symbol (abfd)
|
|||
|
|
bfd *abfd;
|
|||
|
|
{
|
|||
|
|
asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
|
|||
|
|
if (new)
|
|||
|
|
new->the_bfd = abfd;
|
|||
|
|
return new;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static const bfd_target *
|
|||
|
|
osf_core_core_file_p (abfd)
|
|||
|
|
bfd *abfd;
|
|||
|
|
{
|
|||
|
|
int val;
|
|||
|
|
int i;
|
|||
|
|
char *secname;
|
|||
|
|
struct core_filehdr core_header;
|
|||
|
|
|
|||
|
|
val = bfd_read ((PTR)&core_header, 1, sizeof core_header, 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, 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;
|
|||
|
|
|
|||
|
|
val = bfd_read ((PTR)&core_scnhdr, 1, sizeof core_scnhdr, 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))
|
|||
|
|
return NULL;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* OK, we believe you. You're a core file (sure, sure). */
|
|||
|
|
|
|||
|
|
return abfd->xvec;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static char *
|
|||
|
|
osf_core_core_file_failing_command (abfd)
|
|||
|
|
bfd *abfd;
|
|||
|
|
{
|
|||
|
|
return core_command (abfd);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* ARGSUSED */
|
|||
|
|
static int
|
|||
|
|
osf_core_core_file_failing_signal (abfd)
|
|||
|
|
bfd *abfd;
|
|||
|
|
{
|
|||
|
|
return core_signal (abfd);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* ARGSUSED */
|
|||
|
|
static boolean
|
|||
|
|
osf_core_core_file_matches_executable_p (core_bfd, exec_bfd)
|
|||
|
|
bfd *core_bfd, *exec_bfd;
|
|||
|
|
{
|
|||
|
|
return true; /* FIXME, We have no way of telling at this point */
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#define osf_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound
|
|||
|
|
#define osf_core_get_symtab _bfd_nosymbols_get_symtab
|
|||
|
|
#define osf_core_print_symbol _bfd_nosymbols_print_symbol
|
|||
|
|
#define osf_core_get_symbol_info _bfd_nosymbols_get_symbol_info
|
|||
|
|
#define osf_core_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name
|
|||
|
|
#define osf_core_get_lineno _bfd_nosymbols_get_lineno
|
|||
|
|
#define osf_core_find_nearest_line _bfd_nosymbols_find_nearest_line
|
|||
|
|
#define osf_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
|
|||
|
|
#define osf_core_read_minisymbols _bfd_nosymbols_read_minisymbols
|
|||
|
|
#define osf_core_minisymbol_to_symbol _bfd_nosymbols_minisymbol_to_symbol
|
|||
|
|
|
|||
|
|
/* 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 (*) 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 osf_core_vec =
|
|||
|
|
{
|
|||
|
|
"osf-core",
|
|||
|
|
bfd_target_unknown_flavour,
|
|||
|
|
BFD_ENDIAN_BIG, /* target byte order */
|
|||
|
|
BFD_ENDIAN_BIG, /* 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_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 */
|
|||
|
|
|
|||
|
|
{ /* 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 (osf_core),
|
|||
|
|
BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
|
|||
|
|
BFD_JUMP_TABLE_WRITE (_bfd_generic),
|
|||
|
|
BFD_JUMP_TABLE_LINK (_bfd_nolink),
|
|||
|
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
|||
|
|
|
|||
|
|
(PTR) 0 /* backend_data */
|
|||
|
|
};
|