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/* BFD back-end for HP/UX core files.
Copyright 1993 Free Software Foundation, Inc.
Written by Stu Grossman, Cygnus Support.
Converted to back-end form by Ian Lance Taylor, Cygnus SUpport
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 HP/UX style
core files. In the config/XXXXXX.mh file for such a system add
HDEFINES=-DHPUX_CORE
HDEPFILES=hpux-core.o
*/
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#if defined (HOST_HPPAHPUX) || defined (HOST_HP300HPUX)
/* FIXME: sys/core.h doesn't exist for HPUX version 7. HPUX version
5, 6, and 7 core files seem to be standard trad-core.c type core
files; can we just use trad-core.c in addition to this file? */
#include <sys/core.h>
#include <sys/utsname.h>
#endif /* HOST_HPPAHPUX */
#ifdef HOST_HPPABSD
/* Not a very swift place to put it, but that's where the BSD port
puts them. */
#include "/hpux/usr/include/sys/core.h"
#endif /* HOST_HPPABSD */
#include <stdio.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/dir.h>
#include <signal.h>
#include <machine/reg.h>
#include <sys/user.h> /* After a.out.h */
#include <sys/file.h>
#include <errno.h>
/* These are stored in the bfd's tdata */
struct hpux_core_struct
{
int sig;
char cmd[MAXCOMLEN + 1];
asection *data_section;
asection *stack_section;
asection *reg_section;
};
#define core_hdr(bfd) ((bfd)->tdata.hpux_core_data)
#define core_signal(bfd) (core_hdr(bfd)->sig)
#define core_command(bfd) (core_hdr(bfd)->cmd)
#define core_datasec(bfd) (core_hdr(bfd)->data_section)
#define core_stacksec(bfd) (core_hdr(bfd)->stack_section)
#define core_regsec(bfd) (core_hdr(bfd)->reg_section)
static asection *
make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power)
bfd *abfd;
CONST char *name;
flagword flags;
bfd_size_type _raw_size;
bfd_vma vma;
unsigned int alignment_power;
{
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 = bfd_tell (abfd);
asect->alignment_power = alignment_power;
return asect;
}
static asymbol *
hpux_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 *
hpux_core_core_file_p (abfd)
bfd *abfd;
{
core_hdr (abfd) = (struct hpux_core_struct *)
bfd_zalloc (abfd, sizeof (struct hpux_core_struct));
if (!core_hdr (abfd))
return NULL;
while (1)
{
int val;
struct corehead core_header;
val = bfd_read ((void *) &core_header, 1, sizeof core_header, abfd);
if (val <= 0)
break;
switch (core_header.type)
{
case CORE_KERNEL:
case CORE_FORMAT:
bfd_seek (abfd, core_header.len, SEEK_CUR); /* Just skip this */
break;
case CORE_EXEC:
{
struct proc_exec proc_exec;
if (bfd_read ((void *) &proc_exec, 1, core_header.len, abfd)
!= core_header.len)
break;
strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1);
}
break;
case CORE_PROC:
{
struct proc_info proc_info;
core_regsec (abfd) = make_bfd_asection (abfd, ".reg",
SEC_ALLOC + SEC_HAS_CONTENTS,
core_header.len,
(int) &proc_info - (int) &proc_info.hw_regs,
2);
if (bfd_read (&proc_info, 1, core_header.len, abfd)
!= core_header.len)
break;
core_signal (abfd) = proc_info.sig;
}
if (!core_regsec (abfd))
return NULL;
break;
case CORE_DATA:
core_datasec (abfd) = make_bfd_asection (abfd, ".data",
SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
core_header.len,
core_header.addr,
2);
if (!core_datasec (abfd))
return NULL;
bfd_seek (abfd, core_header.len, SEEK_CUR);
break;
case CORE_STACK:
core_stacksec (abfd) = make_bfd_asection (abfd, ".stack",
SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
core_header.len,
core_header.addr,
2);
if (!core_stacksec (abfd))
return NULL;
bfd_seek (abfd, core_header.len, SEEK_CUR);
break;
default:
/* Falling into here is an error and should prevent this
target from matching. That way systems which use hpux
cores along with other formats can still work. */
return 0;
}
}
/* OK, we believe you. You're a core file (sure, sure). */
return abfd->xvec;
}
static char *
hpux_core_core_file_failing_command (abfd)
bfd *abfd;
{
return core_command (abfd);
}
/* ARGSUSED */
static int
hpux_core_core_file_failing_signal (abfd)
bfd *abfd;
{
return core_signal (abfd);
}
/* ARGSUSED */
static boolean
hpux_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 hpux_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound
#define hpux_core_get_symtab _bfd_nosymbols_get_symtab
#define hpux_core_print_symbol _bfd_nosymbols_print_symbol
#define hpux_core_get_symbol_info _bfd_nosymbols_get_symbol_info
#define hpux_core_bfd_is_local_label _bfd_nosymbols_bfd_is_local_label
#define hpux_core_get_lineno _bfd_nosymbols_get_lineno
#define hpux_core_find_nearest_line _bfd_nosymbols_find_nearest_line
#define hpux_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
/* If somebody calls any byte-swapping routines, shoot them. */
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 hpux_core_vec =
{
"hpux-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 */
hpux_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 (hpux_core),
BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
BFD_JUMP_TABLE_SYMBOLS (hpux_core),
BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
BFD_JUMP_TABLE_WRITE (_bfd_generic),
BFD_JUMP_TABLE_LINK (_bfd_nolink),
(PTR) 0 /* backend_data */
};
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