/* BFD back end for NetBSD style core files
|
/* BFD back end for NetBSD style core files
|
Copyright 1988, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000, 2001,
|
Copyright 1988, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000, 2001,
|
2002, 2003, 2004, 2005, 2006, 2007
|
2002, 2003, 2004, 2005, 2006, 2007
|
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
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Written by Paul Kranenburg, EUR
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Written by Paul Kranenburg, EUR
|
|
|
This file is part of BFD, the Binary File Descriptor library.
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This file is part of BFD, the Binary File Descriptor library.
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|
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This program is free software; you can redistribute it and/or modify
|
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
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it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3 of the License, or
|
the Free Software Foundation; either version 3 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
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|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
MA 02110-1301, USA. */
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MA 02110-1301, USA. */
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|
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#include "sysdep.h"
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#include "sysdep.h"
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#include "bfd.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "libbfd.h"
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#include "libaout.h" /* BFD a.out internal data structures. */
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#include "libaout.h" /* BFD a.out internal data structures. */
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|
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#include <sys/param.h>
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#include <sys/param.h>
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#include <sys/dir.h>
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#include <sys/dir.h>
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#include <signal.h>
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#include <signal.h>
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#include <sys/core.h>
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#include <sys/core.h>
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|
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/* The machine ID for OpenBSD/sparc64 and older versions of
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/* The machine ID for OpenBSD/sparc64 and older versions of
|
NetBSD/sparc64 overlaps with M_MIPS1. */
|
NetBSD/sparc64 overlaps with M_MIPS1. */
|
#define M_SPARC64_OPENBSD M_MIPS1
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#define M_SPARC64_OPENBSD M_MIPS1
|
|
|
/* Offset of StackGhost cookie within `struct md_coredump' on
|
/* Offset of StackGhost cookie within `struct md_coredump' on
|
OpenBSD/sparc. */
|
OpenBSD/sparc. */
|
#define SPARC_WCOOKIE_OFFSET 344
|
#define SPARC_WCOOKIE_OFFSET 344
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|
|
/* Offset of StackGhost cookie within `struct md_coredump' on
|
/* Offset of StackGhost cookie within `struct md_coredump' on
|
OpenBSD/sparc64. */
|
OpenBSD/sparc64. */
|
#define SPARC64_WCOOKIE_OFFSET 832
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#define SPARC64_WCOOKIE_OFFSET 832
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|
|
#define netbsd_core_file_matches_executable_p generic_core_file_matches_executable_p
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#define netbsd_core_file_matches_executable_p generic_core_file_matches_executable_p
|
|
|
struct netbsd_core_struct
|
struct netbsd_core_struct
|
{
|
{
|
struct core core;
|
struct core core;
|
} *rawptr;
|
} *rawptr;
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|
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/* Handle NetBSD-style core dump file. */
|
/* Handle NetBSD-style core dump file. */
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|
|
static const bfd_target *
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static const bfd_target *
|
netbsd_core_file_p (bfd *abfd)
|
netbsd_core_file_p (bfd *abfd)
|
{
|
{
|
int val;
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int val;
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unsigned i;
|
unsigned i;
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file_ptr offset;
|
file_ptr offset;
|
asection *asect;
|
asection *asect;
|
struct core core;
|
struct core core;
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struct coreseg coreseg;
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struct coreseg coreseg;
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bfd_size_type amt = sizeof core;
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bfd_size_type amt = sizeof core;
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|
|
val = bfd_bread (&core, amt, abfd);
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val = bfd_bread (&core, amt, abfd);
|
if (val != sizeof core)
|
if (val != sizeof core)
|
{
|
{
|
/* Too small to be a core file. */
|
/* Too small to be a core file. */
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return 0;
|
return 0;
|
}
|
}
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|
|
if (CORE_GETMAGIC (core) != COREMAGIC)
|
if (CORE_GETMAGIC (core) != COREMAGIC)
|
{
|
{
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
amt = sizeof (struct netbsd_core_struct);
|
amt = sizeof (struct netbsd_core_struct);
|
rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt);
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rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt);
|
if (rawptr == NULL)
|
if (rawptr == NULL)
|
return 0;
|
return 0;
|
|
|
rawptr->core = core;
|
rawptr->core = core;
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abfd->tdata.netbsd_core_data = rawptr;
|
abfd->tdata.netbsd_core_data = rawptr;
|
|
|
offset = core.c_hdrsize;
|
offset = core.c_hdrsize;
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for (i = 0; i < core.c_nseg; i++)
|
for (i = 0; i < core.c_nseg; i++)
|
{
|
{
|
const char *sname;
|
const char *sname;
|
flagword flags;
|
flagword flags;
|
|
|
if (bfd_seek (abfd, offset, SEEK_SET) != 0)
|
if (bfd_seek (abfd, offset, SEEK_SET) != 0)
|
goto punt;
|
goto punt;
|
|
|
val = bfd_bread (&coreseg, sizeof coreseg, abfd);
|
val = bfd_bread (&coreseg, sizeof coreseg, abfd);
|
if (val != sizeof coreseg)
|
if (val != sizeof coreseg)
|
{
|
{
|
bfd_set_error (bfd_error_file_truncated);
|
bfd_set_error (bfd_error_file_truncated);
|
goto punt;
|
goto punt;
|
}
|
}
|
if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC)
|
if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC)
|
{
|
{
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
goto punt;
|
goto punt;
|
}
|
}
|
|
|
offset += core.c_seghdrsize;
|
offset += core.c_seghdrsize;
|
|
|
switch (CORE_GETFLAG (coreseg))
|
switch (CORE_GETFLAG (coreseg))
|
{
|
{
|
case CORE_CPU:
|
case CORE_CPU:
|
sname = ".reg";
|
sname = ".reg";
|
flags = SEC_ALLOC + SEC_HAS_CONTENTS;
|
flags = SEC_ALLOC + SEC_HAS_CONTENTS;
|
break;
|
break;
|
case CORE_DATA:
|
case CORE_DATA:
|
sname = ".data";
|
sname = ".data";
|
flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
|
flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
|
break;
|
break;
|
case CORE_STACK:
|
case CORE_STACK:
|
sname = ".stack";
|
sname = ".stack";
|
flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
|
flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
|
break;
|
break;
|
default:
|
default:
|
sname = ".unknown";
|
sname = ".unknown";
|
flags = SEC_ALLOC + SEC_HAS_CONTENTS;
|
flags = SEC_ALLOC + SEC_HAS_CONTENTS;
|
break;
|
break;
|
}
|
}
|
asect = bfd_make_section_anyway_with_flags (abfd, sname, flags);
|
asect = bfd_make_section_anyway_with_flags (abfd, sname, flags);
|
if (asect == NULL)
|
if (asect == NULL)
|
goto punt;
|
goto punt;
|
|
|
asect->size = coreseg.c_size;
|
asect->size = coreseg.c_size;
|
asect->vma = coreseg.c_addr;
|
asect->vma = coreseg.c_addr;
|
asect->filepos = offset;
|
asect->filepos = offset;
|
asect->alignment_power = 2;
|
asect->alignment_power = 2;
|
|
|
if (CORE_GETFLAG (coreseg) == CORE_CPU)
|
if (CORE_GETFLAG (coreseg) == CORE_CPU)
|
{
|
{
|
bfd_size_type wcookie_offset;
|
bfd_size_type wcookie_offset;
|
|
|
switch (CORE_GETMID (core))
|
switch (CORE_GETMID (core))
|
{
|
{
|
case M_SPARC_NETBSD:
|
case M_SPARC_NETBSD:
|
wcookie_offset = SPARC_WCOOKIE_OFFSET;
|
wcookie_offset = SPARC_WCOOKIE_OFFSET;
|
break;
|
break;
|
case M_SPARC64_OPENBSD:
|
case M_SPARC64_OPENBSD:
|
wcookie_offset = SPARC64_WCOOKIE_OFFSET;
|
wcookie_offset = SPARC64_WCOOKIE_OFFSET;
|
break;
|
break;
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default:
|
default:
|
wcookie_offset = 0;
|
wcookie_offset = 0;
|
break;
|
break;
|
}
|
}
|
|
|
if (wcookie_offset > 0 && coreseg.c_size > wcookie_offset)
|
if (wcookie_offset > 0 && coreseg.c_size > wcookie_offset)
|
{
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{
|
/* Truncate the .reg section. */
|
/* Truncate the .reg section. */
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asect->size = wcookie_offset;
|
asect->size = wcookie_offset;
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|
|
/* And create the .wcookie section. */
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/* And create the .wcookie section. */
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flags = SEC_ALLOC + SEC_HAS_CONTENTS;
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flags = SEC_ALLOC + SEC_HAS_CONTENTS;
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asect = bfd_make_section_anyway_with_flags (abfd, ".wcookie",
|
asect = bfd_make_section_anyway_with_flags (abfd, ".wcookie",
|
flags);
|
flags);
|
if (asect == NULL)
|
if (asect == NULL)
|
goto punt;
|
goto punt;
|
|
|
asect->size = coreseg.c_size - wcookie_offset;
|
asect->size = coreseg.c_size - wcookie_offset;
|
asect->vma = 0;
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asect->vma = 0;
|
asect->filepos = offset + wcookie_offset;
|
asect->filepos = offset + wcookie_offset;
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asect->alignment_power = 2;
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asect->alignment_power = 2;
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}
|
}
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}
|
}
|
|
|
offset += coreseg.c_size;
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offset += coreseg.c_size;
|
}
|
}
|
|
|
/* Set architecture from machine ID. */
|
/* Set architecture from machine ID. */
|
switch (CORE_GETMID (core))
|
switch (CORE_GETMID (core))
|
{
|
{
|
case M_ALPHA_NETBSD:
|
case M_ALPHA_NETBSD:
|
bfd_default_set_arch_mach (abfd, bfd_arch_alpha, 0);
|
bfd_default_set_arch_mach (abfd, bfd_arch_alpha, 0);
|
break;
|
break;
|
|
|
case M_ARM6_NETBSD:
|
case M_ARM6_NETBSD:
|
bfd_default_set_arch_mach (abfd, bfd_arch_arm, bfd_mach_arm_3);
|
bfd_default_set_arch_mach (abfd, bfd_arch_arm, bfd_mach_arm_3);
|
break;
|
break;
|
|
|
case M_X86_64_NETBSD:
|
case M_X86_64_NETBSD:
|
bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_x86_64);
|
bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_x86_64);
|
break;
|
break;
|
|
|
case M_386_NETBSD:
|
case M_386_NETBSD:
|
bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_i386_i386);
|
bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_i386_i386);
|
break;
|
break;
|
|
|
case M_68K_NETBSD:
|
case M_68K_NETBSD:
|
case M_68K4K_NETBSD:
|
case M_68K4K_NETBSD:
|
bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
|
bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
|
break;
|
break;
|
|
|
case M_88K_OPENBSD:
|
case M_88K_OPENBSD:
|
bfd_default_set_arch_mach (abfd, bfd_arch_m88k, 0);
|
bfd_default_set_arch_mach (abfd, bfd_arch_m88k, 0);
|
break;
|
break;
|
|
|
case M_HPPA_OPENBSD:
|
case M_HPPA_OPENBSD:
|
bfd_default_set_arch_mach (abfd, bfd_arch_hppa, bfd_mach_hppa11);
|
bfd_default_set_arch_mach (abfd, bfd_arch_hppa, bfd_mach_hppa11);
|
break;
|
break;
|
|
|
case M_POWERPC_NETBSD:
|
case M_POWERPC_NETBSD:
|
bfd_default_set_arch_mach (abfd, bfd_arch_powerpc, bfd_mach_ppc);
|
bfd_default_set_arch_mach (abfd, bfd_arch_powerpc, bfd_mach_ppc);
|
break;
|
break;
|
|
|
case M_SPARC_NETBSD:
|
case M_SPARC_NETBSD:
|
bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
|
bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
|
break;
|
break;
|
|
|
case M_SPARC64_NETBSD:
|
case M_SPARC64_NETBSD:
|
case M_SPARC64_OPENBSD:
|
case M_SPARC64_OPENBSD:
|
bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9);
|
bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9);
|
break;
|
break;
|
|
|
case M_VAX_NETBSD:
|
case M_VAX_NETBSD:
|
case M_VAX4K_NETBSD:
|
case M_VAX4K_NETBSD:
|
bfd_default_set_arch_mach (abfd, bfd_arch_vax, 0);
|
bfd_default_set_arch_mach (abfd, bfd_arch_vax, 0);
|
break;
|
break;
|
}
|
}
|
|
|
/* OK, we believe you. You're a core file (sure, sure). */
|
/* OK, we believe you. You're a core file (sure, sure). */
|
return abfd->xvec;
|
return abfd->xvec;
|
|
|
punt:
|
punt:
|
bfd_release (abfd, abfd->tdata.any);
|
bfd_release (abfd, abfd->tdata.any);
|
abfd->tdata.any = NULL;
|
abfd->tdata.any = NULL;
|
bfd_section_list_clear (abfd);
|
bfd_section_list_clear (abfd);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static char*
|
static char*
|
netbsd_core_file_failing_command (bfd *abfd)
|
netbsd_core_file_failing_command (bfd *abfd)
|
{
|
{
|
/*return core_command (abfd);*/
|
/*return core_command (abfd);*/
|
return abfd->tdata.netbsd_core_data->core.c_name;
|
return abfd->tdata.netbsd_core_data->core.c_name;
|
}
|
}
|
|
|
static int
|
static int
|
netbsd_core_file_failing_signal (bfd *abfd)
|
netbsd_core_file_failing_signal (bfd *abfd)
|
{
|
{
|
/*return core_signal (abfd);*/
|
/*return core_signal (abfd);*/
|
return abfd->tdata.netbsd_core_data->core.c_signo;
|
return abfd->tdata.netbsd_core_data->core.c_signo;
|
}
|
}
|
|
|
/* If somebody calls any byte-swapping routines, shoot them. */
|
/* If somebody calls any byte-swapping routines, shoot them. */
|
|
|
static void
|
static void
|
swap_abort (void)
|
swap_abort (void)
|
{
|
{
|
/* This way doesn't require any declaration for ANSI to fuck up. */
|
/* This way doesn't require any declaration for ANSI to fuck up. */
|
abort ();
|
abort ();
|
}
|
}
|
|
|
#define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
|
#define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
|
#define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
|
#define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
|
#define NO_GETS ((bfd_signed_vma (*) (const 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_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
|
#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
|
#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
|
#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
|
#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
|
|
|
const bfd_target netbsd_core_vec =
|
const bfd_target netbsd_core_vec =
|
{
|
{
|
"netbsd-core",
|
"netbsd-core",
|
bfd_target_unknown_flavour,
|
bfd_target_unknown_flavour,
|
BFD_ENDIAN_UNKNOWN, /* Target byte order. */
|
BFD_ENDIAN_UNKNOWN, /* Target byte order. */
|
BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */
|
BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */
|
(HAS_RELOC | EXEC_P | /* Object flags. */
|
(HAS_RELOC | EXEC_P | /* Object flags. */
|
HAS_LINENO | HAS_DEBUG |
|
HAS_LINENO | HAS_DEBUG |
|
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
(SEC_HAS_CONTENTS | /* Section flags. */
|
(SEC_HAS_CONTENTS | /* Section flags. */
|
SEC_ALLOC | SEC_LOAD | SEC_RELOC),
|
SEC_ALLOC | SEC_LOAD | SEC_RELOC),
|
0, /* Symbol prefix. */
|
0, /* Symbol prefix. */
|
' ', /* ar_pad_char. */
|
' ', /* ar_pad_char. */
|
16, /* ar_max_namelen. */
|
16, /* ar_max_namelen. */
|
NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data. */
|
NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data. */
|
NO_GET, NO_GETS, NO_PUT, /* 32 bit data. */
|
NO_GET, NO_GETS, NO_PUT, /* 32 bit data. */
|
NO_GET, NO_GETS, NO_PUT, /* 16 bit data. */
|
NO_GET, NO_GETS, NO_PUT, /* 16 bit data. */
|
NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs. */
|
NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs. */
|
NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs. */
|
NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs. */
|
NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs. */
|
NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs. */
|
|
|
{ /* bfd_check_format. */
|
{ /* bfd_check_format. */
|
_bfd_dummy_target, /* Unknown format. */
|
_bfd_dummy_target, /* Unknown format. */
|
_bfd_dummy_target, /* Object file. */
|
_bfd_dummy_target, /* Object file. */
|
_bfd_dummy_target, /* Archive. */
|
_bfd_dummy_target, /* Archive. */
|
netbsd_core_file_p /* A core file. */
|
netbsd_core_file_p /* A core file. */
|
},
|
},
|
{ /* bfd_set_format. */
|
{ /* bfd_set_format. */
|
bfd_false, bfd_false,
|
bfd_false, bfd_false,
|
bfd_false, bfd_false
|
bfd_false, bfd_false
|
},
|
},
|
{ /* bfd_write_contents. */
|
{ /* bfd_write_contents. */
|
bfd_false, bfd_false,
|
bfd_false, bfd_false,
|
bfd_false, bfd_false
|
bfd_false, bfd_false
|
},
|
},
|
|
|
BFD_JUMP_TABLE_GENERIC (_bfd_generic),
|
BFD_JUMP_TABLE_GENERIC (_bfd_generic),
|
BFD_JUMP_TABLE_COPY (_bfd_generic),
|
BFD_JUMP_TABLE_COPY (_bfd_generic),
|
BFD_JUMP_TABLE_CORE (netbsd),
|
BFD_JUMP_TABLE_CORE (netbsd),
|
BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
|
BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
|
BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
|
BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
|
BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
|
BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
|
BFD_JUMP_TABLE_WRITE (_bfd_generic),
|
BFD_JUMP_TABLE_WRITE (_bfd_generic),
|
BFD_JUMP_TABLE_LINK (_bfd_nolink),
|
BFD_JUMP_TABLE_LINK (_bfd_nolink),
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
|
|
NULL,
|
NULL,
|
|
|
(PTR) 0 /* Backend_data. */
|
(PTR) 0 /* Backend_data. */
|
};
|
};
|
|
|
