9deaaaf1b3
* bfd.c (bfd_free_cached_info): Define. * bfd-in.h (JUMP_TABLE): Add _bfd_free_cached_info. * bfd-in2.h: Rebuilt. * All backends: Initialize bfd_free_cached_info entry point to bfd_true.
312 lines
9.8 KiB
C
312 lines
9.8 KiB
C
/* BFD back-end for OSF/1 core files.
|
||
Copyright 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||
|
||
/* This file can only be compiled on systems which use OSF/1 style
|
||
core files. In the config/XXXXXX.mh file for such a system add
|
||
HDEFINES=-DOSF_CORE
|
||
HDEPFILES=osf-core.o
|
||
*/
|
||
|
||
#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 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 (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 bfd_target *
|
||
osf_core_core_file_p (abfd)
|
||
bfd *abfd;
|
||
{
|
||
int val;
|
||
int i;
|
||
char *secname;
|
||
struct core_filehdr core_header;
|
||
int dseccnt = 0;
|
||
|
||
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;
|
||
|
||
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:
|
||
/* OSF/1 has multiple data sections (data, bss and data/bss sections
|
||
for shared libraries), but bfd doesn't permit data sections with
|
||
the same name. Construct a unique section name. */
|
||
secname = bfd_alloc (abfd, 40);
|
||
if (!secname)
|
||
{
|
||
bfd_set_error (bfd_error_no_memory);
|
||
return NULL;
|
||
}
|
||
sprintf (secname, ".data%d", dseccnt++);
|
||
break;
|
||
case SCNSTACK:
|
||
secname = ".stack";
|
||
break;
|
||
case SCNREGS:
|
||
secname = ".reg";
|
||
break;
|
||
default:
|
||
fprintf (stderr, "Unhandled OSF/1 core file section type %d\n",
|
||
core_scnhdr.scntype);
|
||
continue;
|
||
}
|
||
|
||
if (!make_bfd_asection (abfd, secname,
|
||
SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS,
|
||
(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 */
|
||
}
|
||
|
||
/* No archive file support via this BFD */
|
||
#define osf_core_openr_next_archived_file bfd_generic_openr_next_archived_file
|
||
#define osf_core_generic_stat_arch_elt bfd_generic_stat_arch_elt
|
||
#define osf_core_slurp_armap bfd_false
|
||
#define osf_core_slurp_extended_name_table bfd_true
|
||
#define osf_core_write_armap (boolean (*) PARAMS \
|
||
((bfd *arch, unsigned int elength, struct orl *map, \
|
||
unsigned int orl_count, int stridx))) bfd_false
|
||
#define osf_core_truncate_arname bfd_dont_truncate_arname
|
||
|
||
#define osf_core_close_and_cleanup bfd_generic_close_and_cleanup
|
||
#define osf_core_set_section_contents (boolean (*) PARAMS \
|
||
((bfd *abfd, asection *section, PTR data, file_ptr offset, \
|
||
bfd_size_type count))) bfd_generic_set_section_contents
|
||
#define osf_core_get_section_contents bfd_generic_get_section_contents
|
||
#define osf_core_new_section_hook (boolean (*) PARAMS \
|
||
((bfd *, sec_ptr))) bfd_true
|
||
#define osf_core_get_symtab_upper_bound bfd_0l
|
||
#define osf_core_get_symtab (long (*) PARAMS \
|
||
((bfd *, struct symbol_cache_entry **))) bfd_0l
|
||
#define osf_core_get_reloc_upper_bound (long (*) PARAMS \
|
||
((bfd *, sec_ptr))) bfd_0l
|
||
#define osf_core_canonicalize_reloc (long (*) PARAMS \
|
||
((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0l
|
||
#define osf_core_print_symbol (void (*) PARAMS \
|
||
((bfd *, PTR, struct symbol_cache_entry *, \
|
||
bfd_print_symbol_type))) bfd_false
|
||
#define osf_core_get_symbol_info (void (*) PARAMS \
|
||
((bfd *, struct symbol_cache_entry *, \
|
||
symbol_info *))) bfd_false
|
||
#define osf_core_get_lineno (alent * (*) PARAMS \
|
||
((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
|
||
#define osf_core_set_arch_mach (boolean (*) PARAMS \
|
||
((bfd *, enum bfd_architecture, unsigned long))) bfd_false
|
||
#define osf_core_find_nearest_line (boolean (*) PARAMS \
|
||
((bfd *abfd, struct sec *section, \
|
||
struct symbol_cache_entry **symbols,bfd_vma offset, \
|
||
CONST char **file, CONST char **func, unsigned int *line))) bfd_false
|
||
#define osf_core_sizeof_headers (int (*) PARAMS \
|
||
((bfd *, boolean))) bfd_0
|
||
|
||
#define osf_core_bfd_debug_info_start bfd_void
|
||
#define osf_core_bfd_debug_info_end bfd_void
|
||
#define osf_core_bfd_debug_info_accumulate (void (*) PARAMS \
|
||
((bfd *, struct sec *))) bfd_void
|
||
#define osf_core_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
|
||
#define osf_core_bfd_relax_section bfd_generic_relax_section
|
||
#define osf_core_bfd_reloc_type_lookup \
|
||
((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
|
||
#define osf_core_bfd_make_debug_symbol \
|
||
((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
|
||
#define osf_core_bfd_link_hash_table_create \
|
||
((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
|
||
#define osf_core_bfd_link_add_symbols \
|
||
((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
|
||
#define osf_core_bfd_final_link \
|
||
((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
|
||
#define osf_core_bfd_copy_private_section_data \
|
||
((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_false)
|
||
#define osf_core_bfd_copy_private_bfd_data \
|
||
((boolean (*) PARAMS ((bfd *, bfd *))) bfd_false)
|
||
#define osf_core_bfd_is_local_label \
|
||
((boolean (*) PARAMS ((bfd *, asymbol *))) bfd_false)
|
||
#define osf_core_bfd_free_cached_info bfd_true
|
||
|
||
/* 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 )
|
||
|
||
bfd_target osf_core_vec =
|
||
{
|
||
"osf-core",
|
||
bfd_target_unknown_flavour,
|
||
true, /* target byte order */
|
||
true, /* 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 */
|
||
3, /* minimum alignment power */
|
||
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
|
||
},
|
||
|
||
JUMP_TABLE(osf_core),
|
||
(PTR) 0 /* backend_data */
|
||
};
|