old-cross-binutils/bfd/trad-core.c

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10 KiB
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/* BFD back end for traditional Unix core files (U-area and raw sections)
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Copyright 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999,
* bfd-in.h (bfd_getb64, bfd_getl64): Replace bfd_byte* with void*. (bfd_getb32, bfd_getl32, bfd_getb16, bfd_getl16): Likewise. (bfd_getb_signed_64, bfd_getl_signed_64): Likewise. (bfd_getb_signed_32, bfd_getl_signed_32): Likewise. (bfd_getb_signed_16, bfd_getl_signed_16): Likewise. (bfd_putb64, bfd_putl64, bfd_putb32, bfd_putl32): Likewise. (bfd_putb16, bfd_putl16, bfd_get_bits, bfd_put_bits): Likewise. * libbfd.c: Likewise in function definitions. (bfd_put_8): Mask with 0xff rather than casting to char. (bfd_putb16, bfd_putl16, bfd_putb32, bfd_putl32): Likewise. (bfd_putb64, bfd_putl64, bfd_put_bits): Likewise. (H_PUT_64, H_PUT_32, H_PUT_16, H_PUT_8): Remove casts, simplify. (H_PUT_S64, H_PUT_S32, H_PUT_S16, H_PUT_S8): Likewise. (H_GET_64, H_GET_32, H_GET_16, H_GET_8): Likewise. (H_GET_S64, H_GET_S32, H_GET_S16, H_GET_S8): Likewise. * libaout.h (H_PUT_64 H_PUT_32, H_PUT_16): Remove casts, simplify. (H_PUT_S64, H_PUT_S32, H_PUT_S16): Likewise. (H_GET_64, H_GET_32, H_GET_16): Likewise. (H_GET_S64, H_GET_S32, H_GET_S16): Likewise. * archive.c (do_slurp_coff_armap): Update swap prototype. * coff-tic54x.c (tic54x_getl32): Replace bfd_byte* with void*. (tic54x_getl_signed_32): Likewise. (tic54x_putl32): Likewise. Mask with 0xff rather than casting to char. * mach-o.c (bfd_mach_o_read_header): Update get32 prototype. * pdp11.c (bfd_getp32): Make static, replace bfd_byte* with void*. (bfd_getp_signed_32, bfd_putp32): Likewise. * targets.c (struct bfd_target): Use void* in place of bfd_byte* for bfd_getx64, bfd_getx_signed_64, bfd_putx64, bfd_getx32, bfd_getx_signed_32, bfd_putx32, bfd_getx16, bfd_getx_signed_16, bfd_putx16, bfd_h_getx64, bfd_h_getx_signed_64, bfd_h_putx64, bfd_h_getx32, bfd_h_getx_signed_32, bfd_h_putx32, bfd_h_getx16, bfd_h_getx_signed_16, bfd_h_putx16. * aix386-core.c (NO_GET, NO_GETS, NO_PUT): Update prototypes. * hppabsd-core.c: Similarly. Rename NO_SIGNED_GET to NO_GETS. * hpux-core.c: Likewise. * irix-core.c: Likewise. * netbsd-core.c: Likewise. * osf-core.c: Likewise. * ptrace-core.c: Likewise. * sco5-core.c: Likewise. * trad-core.c: Likewise. * bfd-in2.h: Regenerate.
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2000, 2001, 2002, 2003, 2004
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Free Software Foundation, Inc.
Written by John Gilmore of 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "libaout.h" /* BFD a.out internal data structures */
#include <sys/param.h>
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#else
# ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif
# ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif
# ifdef HAVE_NDIR_H
# include <ndir.h>
# endif
#endif
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#include <signal.h>
#include <sys/user.h> /* After a.out.h */
#ifdef TRAD_HEADER
#include TRAD_HEADER
#endif
struct trad_core_struct
{
asection *data_section;
asection *stack_section;
asection *reg_section;
struct user u;
};
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#define core_upage(bfd) (&((bfd)->tdata.trad_core_data->u))
#define core_datasec(bfd) ((bfd)->tdata.trad_core_data->data_section)
#define core_stacksec(bfd) ((bfd)->tdata.trad_core_data->stack_section)
#define core_regsec(bfd) ((bfd)->tdata.trad_core_data->reg_section)
/* forward declarations */
const bfd_target *trad_unix_core_file_p PARAMS ((bfd *abfd));
char * trad_unix_core_file_failing_command PARAMS ((bfd *abfd));
int trad_unix_core_file_failing_signal PARAMS ((bfd *abfd));
bfd_boolean trad_unix_core_file_matches_executable_p
PARAMS ((bfd *core_bfd, bfd *exec_bfd));
static void swap_abort PARAMS ((void));
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/* Handle 4.2-style (and perhaps also sysV-style) core dump file. */
const bfd_target *
trad_unix_core_file_p (abfd)
bfd *abfd;
{
int val;
struct user u;
struct trad_core_struct *rawptr;
bfd_size_type amt;
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#ifdef TRAD_CORE_USER_OFFSET
/* If defined, this macro is the file position of the user struct. */
if (bfd_seek (abfd, (file_ptr) TRAD_CORE_USER_OFFSET, SEEK_SET) != 0)
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return 0;
#endif
val = bfd_bread ((void *) &u, (bfd_size_type) sizeof u, abfd);
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if (val != sizeof u)
{
/* Too small to be a core file */
bfd_set_error (bfd_error_wrong_format);
return 0;
}
/* Sanity check perhaps??? */
if (u.u_dsize > 0x1000000) /* Remember, it's in pages... */
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{
bfd_set_error (bfd_error_wrong_format);
return 0;
}
if (u.u_ssize > 0x1000000)
{
bfd_set_error (bfd_error_wrong_format);
return 0;
}
/* Check that the size claimed is no greater than the file size. */
{
FILE *stream = bfd_cache_lookup (abfd);
struct stat statbuf;
if (stream == NULL)
return 0;
if (fstat (fileno (stream), &statbuf) < 0)
{
bfd_set_error (bfd_error_system_call);
return 0;
}
if ((unsigned long) (NBPG * (UPAGES + u.u_dsize
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#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE
- u.u_tsize
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#endif
+ u.u_ssize))
> (unsigned long) statbuf.st_size)
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{
bfd_set_error (bfd_error_wrong_format);
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return 0;
}
#ifndef TRAD_CORE_ALLOW_ANY_EXTRA_SIZE
if ((unsigned long) (NBPG * (UPAGES + u.u_dsize + u.u_ssize)
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#ifdef TRAD_CORE_EXTRA_SIZE_ALLOWED
/* Some systems write the file too big. */
+ TRAD_CORE_EXTRA_SIZE_ALLOWED
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#endif
)
< (unsigned long) statbuf.st_size)
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{
/* The file is too big. Maybe it's not a core file
or we otherwise have bad values for u_dsize and u_ssize). */
bfd_set_error (bfd_error_wrong_format);
return 0;
}
#endif
}
/* OK, we believe you. You're a core file (sure, sure). */
/* Allocate both the upage and the struct core_data at once, so
a single free() will free them both. */
amt = sizeof (struct trad_core_struct);
rawptr = (struct trad_core_struct *) bfd_zmalloc (amt);
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if (rawptr == NULL)
return 0;
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abfd->tdata.trad_core_data = rawptr;
rawptr->u = u; /*Copy the uarea into the tdata part of the bfd */
/* Create the sections. */
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core_stacksec(abfd) = bfd_make_section_anyway (abfd, ".stack");
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if (core_stacksec (abfd) == NULL)
goto fail;
core_datasec (abfd) = bfd_make_section_anyway (abfd, ".data");
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if (core_datasec (abfd) == NULL)
goto fail;
core_regsec (abfd) = bfd_make_section_anyway (abfd, ".reg");
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if (core_regsec (abfd) == NULL)
goto fail;
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core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
core_regsec (abfd)->flags = SEC_HAS_CONTENTS;
core_datasec (abfd)->_raw_size = NBPG * u.u_dsize
#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE
- NBPG * u.u_tsize
#endif
;
core_stacksec (abfd)->_raw_size = NBPG * u.u_ssize;
core_regsec (abfd)->_raw_size = NBPG * UPAGES; /* Larger than sizeof struct u */
/* What a hack... we'd like to steal it from the exec file,
since the upage does not seem to provide it. FIXME. */
#ifdef HOST_DATA_START_ADDR
core_datasec (abfd)->vma = HOST_DATA_START_ADDR;
#else
core_datasec (abfd)->vma = HOST_TEXT_START_ADDR + (NBPG * u.u_tsize);
#endif
#ifdef HOST_STACK_START_ADDR
core_stacksec (abfd)->vma = HOST_STACK_START_ADDR;
#else
core_stacksec (abfd)->vma = HOST_STACK_END_ADDR - (NBPG * u.u_ssize);
#endif
/* This is tricky. As the "register section", we give them the entire
upage and stack. u.u_ar0 points to where "register 0" is stored.
There are two tricks with this, though. One is that the rest of the
registers might be at positive or negative (or both) displacements
from *u_ar0. The other is that u_ar0 is sometimes an absolute address
in kernel memory, and on other systems it is an offset from the beginning
of the `struct user'.
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As a practical matter, we don't know where the registers actually are,
so we have to pass the whole area to GDB. We encode the value of u_ar0
by setting the .regs section up so that its virtual memory address
0 is at the place pointed to by u_ar0 (by setting the vma of the start
of the section to -u_ar0). GDB uses this info to locate the regs,
using minor trickery to get around the offset-or-absolute-addr problem. */
core_regsec (abfd)->vma = - (bfd_vma) (unsigned long) u.u_ar0;
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core_datasec (abfd)->filepos = NBPG * UPAGES;
core_stacksec (abfd)->filepos = (NBPG * UPAGES) + NBPG * u.u_dsize
#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE
- NBPG * u.u_tsize
#endif
;
core_regsec (abfd)->filepos = 0; /* Register segment is the upage */
/* Align to word at least */
core_stacksec (abfd)->alignment_power = 2;
core_datasec (abfd)->alignment_power = 2;
core_regsec (abfd)->alignment_power = 2;
return abfd->xvec;
fail:
bfd_release (abfd, abfd->tdata.any);
abfd->tdata.any = NULL;
bfd_section_list_clear (abfd);
return NULL;
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}
char *
trad_unix_core_file_failing_command (abfd)
bfd *abfd;
{
#ifndef NO_CORE_COMMAND
char *com = abfd->tdata.trad_core_data->u.u_comm;
if (*com)
return com;
else
#endif
return 0;
}
int
trad_unix_core_file_failing_signal (ignore_abfd)
bfd *ignore_abfd ATTRIBUTE_UNUSED;
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{
#ifdef TRAD_UNIX_CORE_FILE_FAILING_SIGNAL
return TRAD_UNIX_CORE_FILE_FAILING_SIGNAL(ignore_abfd);
#else
return -1; /* FIXME, where is it? */
#endif
}
bfd_boolean
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trad_unix_core_file_matches_executable_p (core_bfd, exec_bfd)
bfd *core_bfd ATTRIBUTE_UNUSED;
bfd *exec_bfd ATTRIBUTE_UNUSED;
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{
return TRUE; /* FIXME, We have no way of telling at this point */
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}
/* If somebody calls any byte-swapping routines, shoot them. */
static void
swap_abort ()
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{
abort (); /* This way doesn't require any declaration for ANSI to fuck up */
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}
* bfd-in.h (bfd_getb64, bfd_getl64): Replace bfd_byte* with void*. (bfd_getb32, bfd_getl32, bfd_getb16, bfd_getl16): Likewise. (bfd_getb_signed_64, bfd_getl_signed_64): Likewise. (bfd_getb_signed_32, bfd_getl_signed_32): Likewise. (bfd_getb_signed_16, bfd_getl_signed_16): Likewise. (bfd_putb64, bfd_putl64, bfd_putb32, bfd_putl32): Likewise. (bfd_putb16, bfd_putl16, bfd_get_bits, bfd_put_bits): Likewise. * libbfd.c: Likewise in function definitions. (bfd_put_8): Mask with 0xff rather than casting to char. (bfd_putb16, bfd_putl16, bfd_putb32, bfd_putl32): Likewise. (bfd_putb64, bfd_putl64, bfd_put_bits): Likewise. (H_PUT_64, H_PUT_32, H_PUT_16, H_PUT_8): Remove casts, simplify. (H_PUT_S64, H_PUT_S32, H_PUT_S16, H_PUT_S8): Likewise. (H_GET_64, H_GET_32, H_GET_16, H_GET_8): Likewise. (H_GET_S64, H_GET_S32, H_GET_S16, H_GET_S8): Likewise. * libaout.h (H_PUT_64 H_PUT_32, H_PUT_16): Remove casts, simplify. (H_PUT_S64, H_PUT_S32, H_PUT_S16): Likewise. (H_GET_64, H_GET_32, H_GET_16): Likewise. (H_GET_S64, H_GET_S32, H_GET_S16): Likewise. * archive.c (do_slurp_coff_armap): Update swap prototype. * coff-tic54x.c (tic54x_getl32): Replace bfd_byte* with void*. (tic54x_getl_signed_32): Likewise. (tic54x_putl32): Likewise. Mask with 0xff rather than casting to char. * mach-o.c (bfd_mach_o_read_header): Update get32 prototype. * pdp11.c (bfd_getp32): Make static, replace bfd_byte* with void*. (bfd_getp_signed_32, bfd_putp32): Likewise. * targets.c (struct bfd_target): Use void* in place of bfd_byte* for bfd_getx64, bfd_getx_signed_64, bfd_putx64, bfd_getx32, bfd_getx_signed_32, bfd_putx32, bfd_getx16, bfd_getx_signed_16, bfd_putx16, bfd_h_getx64, bfd_h_getx_signed_64, bfd_h_putx64, bfd_h_getx32, bfd_h_getx_signed_32, bfd_h_putx32, bfd_h_getx16, bfd_h_getx_signed_16, bfd_h_putx16. * aix386-core.c (NO_GET, NO_GETS, NO_PUT): Update prototypes. * hppabsd-core.c: Similarly. Rename NO_SIGNED_GET to NO_GETS. * hpux-core.c: Likewise. * irix-core.c: Likewise. * netbsd-core.c: Likewise. * osf-core.c: Likewise. * ptrace-core.c: Likewise. * sco5-core.c: Likewise. * trad-core.c: Likewise. * bfd-in2.h: Regenerate.
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#define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
#define NO_PUT ((void (*) (bfd_vma, 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_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
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const bfd_target trad_core_vec =
{
"trad-core",
bfd_target_unknown_flavour,
BFD_ENDIAN_UNKNOWN, /* target byte order */
BFD_ENDIAN_UNKNOWN, /* 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_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */
* bfd-in.h (bfd_getb64, bfd_getl64): Replace bfd_byte* with void*. (bfd_getb32, bfd_getl32, bfd_getb16, bfd_getl16): Likewise. (bfd_getb_signed_64, bfd_getl_signed_64): Likewise. (bfd_getb_signed_32, bfd_getl_signed_32): Likewise. (bfd_getb_signed_16, bfd_getl_signed_16): Likewise. (bfd_putb64, bfd_putl64, bfd_putb32, bfd_putl32): Likewise. (bfd_putb16, bfd_putl16, bfd_get_bits, bfd_put_bits): Likewise. * libbfd.c: Likewise in function definitions. (bfd_put_8): Mask with 0xff rather than casting to char. (bfd_putb16, bfd_putl16, bfd_putb32, bfd_putl32): Likewise. (bfd_putb64, bfd_putl64, bfd_put_bits): Likewise. (H_PUT_64, H_PUT_32, H_PUT_16, H_PUT_8): Remove casts, simplify. (H_PUT_S64, H_PUT_S32, H_PUT_S16, H_PUT_S8): Likewise. (H_GET_64, H_GET_32, H_GET_16, H_GET_8): Likewise. (H_GET_S64, H_GET_S32, H_GET_S16, H_GET_S8): Likewise. * libaout.h (H_PUT_64 H_PUT_32, H_PUT_16): Remove casts, simplify. (H_PUT_S64, H_PUT_S32, H_PUT_S16): Likewise. (H_GET_64, H_GET_32, H_GET_16): Likewise. (H_GET_S64, H_GET_S32, H_GET_S16): Likewise. * archive.c (do_slurp_coff_armap): Update swap prototype. * coff-tic54x.c (tic54x_getl32): Replace bfd_byte* with void*. (tic54x_getl_signed_32): Likewise. (tic54x_putl32): Likewise. Mask with 0xff rather than casting to char. * mach-o.c (bfd_mach_o_read_header): Update get32 prototype. * pdp11.c (bfd_getp32): Make static, replace bfd_byte* with void*. (bfd_getp_signed_32, bfd_putp32): Likewise. * targets.c (struct bfd_target): Use void* in place of bfd_byte* for bfd_getx64, bfd_getx_signed_64, bfd_putx64, bfd_getx32, bfd_getx_signed_32, bfd_putx32, bfd_getx16, bfd_getx_signed_16, bfd_putx16, bfd_h_getx64, bfd_h_getx_signed_64, bfd_h_putx64, bfd_h_getx32, bfd_h_getx_signed_32, bfd_h_putx32, bfd_h_getx16, bfd_h_getx_signed_16, bfd_h_putx16. * aix386-core.c (NO_GET, NO_GETS, NO_PUT): Update prototypes. * hppabsd-core.c: Similarly. Rename NO_SIGNED_GET to NO_GETS. * hpux-core.c: Likewise. * irix-core.c: Likewise. * netbsd-core.c: Likewise. * osf-core.c: Likewise. * ptrace-core.c: Likewise. * sco5-core.c: Likewise. * trad-core.c: Likewise. * bfd-in2.h: Regenerate.
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NO_GET, NO_GETS, NO_PUT, /* 32 bit data */
NO_GET, NO_GETS, NO_PUT, /* 16 bit data */
NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */
* bfd-in.h (bfd_getb64, bfd_getl64): Replace bfd_byte* with void*. (bfd_getb32, bfd_getl32, bfd_getb16, bfd_getl16): Likewise. (bfd_getb_signed_64, bfd_getl_signed_64): Likewise. (bfd_getb_signed_32, bfd_getl_signed_32): Likewise. (bfd_getb_signed_16, bfd_getl_signed_16): Likewise. (bfd_putb64, bfd_putl64, bfd_putb32, bfd_putl32): Likewise. (bfd_putb16, bfd_putl16, bfd_get_bits, bfd_put_bits): Likewise. * libbfd.c: Likewise in function definitions. (bfd_put_8): Mask with 0xff rather than casting to char. (bfd_putb16, bfd_putl16, bfd_putb32, bfd_putl32): Likewise. (bfd_putb64, bfd_putl64, bfd_put_bits): Likewise. (H_PUT_64, H_PUT_32, H_PUT_16, H_PUT_8): Remove casts, simplify. (H_PUT_S64, H_PUT_S32, H_PUT_S16, H_PUT_S8): Likewise. (H_GET_64, H_GET_32, H_GET_16, H_GET_8): Likewise. (H_GET_S64, H_GET_S32, H_GET_S16, H_GET_S8): Likewise. * libaout.h (H_PUT_64 H_PUT_32, H_PUT_16): Remove casts, simplify. (H_PUT_S64, H_PUT_S32, H_PUT_S16): Likewise. (H_GET_64, H_GET_32, H_GET_16): Likewise. (H_GET_S64, H_GET_S32, H_GET_S16): Likewise. * archive.c (do_slurp_coff_armap): Update swap prototype. * coff-tic54x.c (tic54x_getl32): Replace bfd_byte* with void*. (tic54x_getl_signed_32): Likewise. (tic54x_putl32): Likewise. Mask with 0xff rather than casting to char. * mach-o.c (bfd_mach_o_read_header): Update get32 prototype. * pdp11.c (bfd_getp32): Make static, replace bfd_byte* with void*. (bfd_getp_signed_32, bfd_putp32): Likewise. * targets.c (struct bfd_target): Use void* in place of bfd_byte* for bfd_getx64, bfd_getx_signed_64, bfd_putx64, bfd_getx32, bfd_getx_signed_32, bfd_putx32, bfd_getx16, bfd_getx_signed_16, bfd_putx16, bfd_h_getx64, bfd_h_getx_signed_64, bfd_h_putx64, bfd_h_getx32, bfd_h_getx_signed_32, bfd_h_putx32, bfd_h_getx16, bfd_h_getx_signed_16, bfd_h_putx16. * aix386-core.c (NO_GET, NO_GETS, NO_PUT): Update prototypes. * hppabsd-core.c: Similarly. Rename NO_SIGNED_GET to NO_GETS. * hpux-core.c: Likewise. * irix-core.c: Likewise. * netbsd-core.c: Likewise. * osf-core.c: Likewise. * ptrace-core.c: Likewise. * sco5-core.c: Likewise. * trad-core.c: Likewise. * bfd-in2.h: Regenerate.
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NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */
NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs */
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{ /* bfd_check_format */
_bfd_dummy_target, /* unknown format */
_bfd_dummy_target, /* object file */
_bfd_dummy_target, /* archive */
trad_unix_core_file_p /* a core file */
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},
{ /* bfd_set_format */
bfd_false, bfd_false,
bfd_false, bfd_false
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},
{ /* bfd_write_contents */
bfd_false, bfd_false,
bfd_false, bfd_false
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},
BFD_JUMP_TABLE_GENERIC (_bfd_generic),
BFD_JUMP_TABLE_COPY (_bfd_generic),
BFD_JUMP_TABLE_CORE (trad_unix),
BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
BFD_JUMP_TABLE_WRITE (_bfd_generic),
BFD_JUMP_TABLE_LINK (_bfd_nolink),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
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NULL,
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(PTR) 0 /* backend_data */
};