1999-05-03 15:29:11 +08:00
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/* BFD back end for Lynx core files
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2002-01-05 21:11:33 +08:00
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Copyright 1993, 1994, 1995, 2001, 2002 Free Software Foundation, Inc.
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1999-05-03 15:29:11 +08:00
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Written by Stu Grossman of Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#ifdef LYNX_CORE
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#include <sys/conf.h>
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#include <sys/kernel.h>
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2001-01-04 03:26:07 +08:00
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/* sys/kernel.h should define this, but doesn't always, sigh. */
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1999-05-03 15:29:11 +08:00
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#ifndef __LYNXOS
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#define __LYNXOS
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#endif
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#include <sys/mem.h>
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#include <sys/signal.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/itimer.h>
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#include <sys/file.h>
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#include <sys/proc.h>
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/* These are stored in the bfd's tdata */
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2001-01-04 03:26:07 +08:00
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struct lynx_core_struct
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1999-05-03 15:29:11 +08:00
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{
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int sig;
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char cmd[PNMLEN + 1];
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};
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#define core_hdr(bfd) ((bfd)->tdata.lynx_core_data)
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#define core_signal(bfd) (core_hdr(bfd)->sig)
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#define core_command(bfd) (core_hdr(bfd)->cmd)
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/* Handle Lynx core dump file. */
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static asection *
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make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
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bfd *abfd;
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Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 17:57:26 +08:00
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const char *name;
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1999-05-03 15:29:11 +08:00
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flagword flags;
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bfd_size_type _raw_size;
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bfd_vma vma;
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file_ptr filepos;
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{
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asection *asect;
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char *newname;
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Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 17:57:26 +08:00
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newname = bfd_alloc (abfd, (bfd_size_type) strlen (name) + 1);
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1999-05-03 15:29:11 +08:00
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if (!newname)
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return NULL;
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strcpy (newname, name);
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asect = bfd_make_section (abfd, newname);
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if (!asect)
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return NULL;
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asect->flags = flags;
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asect->_raw_size = _raw_size;
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asect->vma = vma;
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asect->filepos = filepos;
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asect->alignment_power = 2;
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return asect;
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}
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const bfd_target *
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lynx_core_file_p (abfd)
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bfd *abfd;
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{
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int secnum;
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struct pssentry pss;
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Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 17:57:26 +08:00
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bfd_size_type tcontext_size;
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1999-05-03 15:29:11 +08:00
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core_st_t *threadp;
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int pagesize;
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asection *newsect;
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Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 17:57:26 +08:00
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bfd_size_type amt;
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1999-05-03 15:29:11 +08:00
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pagesize = getpagesize (); /* Serious cross-target issue here... This
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really needs to come from a system-specific
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header file. */
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/* Get the pss entry from the core file */
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Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 17:57:26 +08:00
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if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
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1999-05-03 15:29:11 +08:00
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return NULL;
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Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 17:57:26 +08:00
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amt = sizeof pss;
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if (bfd_bread ((void *) &pss, amt, abfd) != amt)
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1999-05-03 15:29:11 +08:00
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{
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/* Too small to be a core file */
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if (bfd_get_error () != bfd_error_system_call)
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bfd_set_error (bfd_error_wrong_format);
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return NULL;
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}
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Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 17:57:26 +08:00
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amt = sizeof (struct lynx_core_struct);
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core_hdr (abfd) = (struct lynx_core_struct *) bfd_zalloc (abfd, amt);
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1999-05-03 15:29:11 +08:00
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if (!core_hdr (abfd))
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return NULL;
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strncpy (core_command (abfd), pss.pname, PNMLEN + 1);
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/* Compute the size of the thread contexts */
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tcontext_size = pss.threadcnt * sizeof (core_st_t);
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/* Allocate space for the thread contexts */
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|
Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 17:57:26 +08:00
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threadp = (core_st_t *) bfd_alloc (abfd, tcontext_size);
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1999-05-03 15:29:11 +08:00
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if (!threadp)
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2002-01-05 21:11:33 +08:00
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goto fail;
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1999-05-03 15:29:11 +08:00
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/* Save thread contexts */
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Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 17:57:26 +08:00
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if (bfd_seek (abfd, (file_ptr) pagesize, SEEK_SET) != 0)
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2002-01-05 21:11:33 +08:00
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goto fail;
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1999-05-03 15:29:11 +08:00
|
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|
Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 17:57:26 +08:00
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if (bfd_bread ((void *) threadp, tcontext_size, abfd) != tcontext_size)
|
1999-05-03 15:29:11 +08:00
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{
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/* Probably too small to be a core file */
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if (bfd_get_error () != bfd_error_system_call)
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bfd_set_error (bfd_error_wrong_format);
|
2002-01-05 21:11:33 +08:00
|
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goto fail;
|
1999-05-03 15:29:11 +08:00
|
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}
|
2001-01-04 03:26:07 +08:00
|
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1999-05-03 15:29:11 +08:00
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|
core_signal (abfd) = threadp->currsig;
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|
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newsect = make_bfd_asection (abfd, ".stack",
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SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
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|
pss.ssize,
|
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pss.slimit,
|
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pagesize + tcontext_size);
|
|
|
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if (!newsect)
|
2002-01-05 21:11:33 +08:00
|
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|
goto fail;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
newsect = make_bfd_asection (abfd, ".data",
|
|
|
|
SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
|
|
|
|
pss.data_len + pss.bss_len,
|
|
|
|
pss.data_start,
|
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|
|
pagesize + tcontext_size + pss.ssize
|
|
|
|
#if defined (SPARC) || defined (__SPARC__)
|
|
|
|
/* SPARC Lynx seems to start dumping
|
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|
|
the .data section at a page
|
|
|
|
boundary. It's OK to check a
|
|
|
|
#define like SPARC here because this
|
|
|
|
file can only be compiled on a Lynx
|
|
|
|
host. */
|
|
|
|
+ pss.data_start % pagesize
|
|
|
|
#endif
|
|
|
|
);
|
|
|
|
if (!newsect)
|
2002-01-05 21:11:33 +08:00
|
|
|
goto fail;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
/* And, now for the .reg/XXX pseudo sections. Each thread has it's own
|
|
|
|
.reg/XXX section, where XXX is the thread id (without leading zeros). The
|
|
|
|
currently running thread (at the time of the core dump) also has an alias
|
|
|
|
called `.reg' (just to keep GDB happy). Note that we use `.reg/XXX' as
|
|
|
|
opposed to `.regXXX' because GDB expects that .reg2 will be the floating-
|
|
|
|
point registers. */
|
|
|
|
|
|
|
|
newsect = make_bfd_asection (abfd, ".reg",
|
|
|
|
SEC_HAS_CONTENTS,
|
|
|
|
sizeof (core_st_t),
|
|
|
|
0,
|
|
|
|
pagesize);
|
|
|
|
if (!newsect)
|
2002-01-05 21:11:33 +08:00
|
|
|
goto fail;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
for (secnum = 0; secnum < pss.threadcnt; secnum++)
|
|
|
|
{
|
|
|
|
char secname[100];
|
|
|
|
|
|
|
|
sprintf (secname, ".reg/%d", BUILDPID (0, threadp[secnum].tid));
|
|
|
|
newsect = make_bfd_asection (abfd, secname,
|
|
|
|
SEC_HAS_CONTENTS,
|
|
|
|
sizeof (core_st_t),
|
|
|
|
0,
|
|
|
|
pagesize + secnum * sizeof (core_st_t));
|
|
|
|
if (!newsect)
|
2002-01-05 21:11:33 +08:00
|
|
|
goto fail;
|
1999-05-03 15:29:11 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
return abfd->xvec;
|
2002-01-05 21:11:33 +08:00
|
|
|
|
|
|
|
fail:
|
|
|
|
bfd_release (abfd, core_hdr (abfd));
|
|
|
|
core_hdr (abfd) = NULL;
|
|
|
|
bfd_section_list_clear (abfd);
|
|
|
|
return NULL;
|
1999-05-03 15:29:11 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
char *
|
|
|
|
lynx_core_file_failing_command (abfd)
|
|
|
|
bfd *abfd;
|
|
|
|
{
|
|
|
|
return core_command (abfd);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
lynx_core_file_failing_signal (abfd)
|
|
|
|
bfd *abfd;
|
|
|
|
{
|
|
|
|
return core_signal (abfd);
|
|
|
|
}
|
|
|
|
|
2002-11-30 16:39:46 +08:00
|
|
|
bfd_boolean
|
1999-05-03 15:29:11 +08:00
|
|
|
lynx_core_file_matches_executable_p (core_bfd, exec_bfd)
|
|
|
|
bfd *core_bfd, *exec_bfd;
|
|
|
|
{
|
2002-11-30 16:39:46 +08:00
|
|
|
return TRUE; /* FIXME, We have no way of telling at this point */
|
1999-05-03 15:29:11 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* LYNX_CORE */
|