[deliverable/binutils-gdb.git] / bfd / host-aout.c

/* BFD backend for local host's a.out binaries
   Copyright (C) 1990-1991 Free Software Foundation, Inc.
   Written by Cygnus Support.  Probably John Gilmore's fault.

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.  */

#include <ansidecl.h>
#include <sysdep.h>
#include "bfd.h"
#include "libbfd.h"

#include <a.out.h>
#include "libaout.h"           /* BFD a.out internal data structures */

#include "trad-core.h"		/* Traditional Unix core files */

/*======== This next section is stolen from ../include/a.out.gnu.h
  ======== for all the losing Unix systems that don't provide these
  ======== macros.  

  When porting to a new system, you must supply:

	HOST_PAGE_SIZE
	HOST_SEGMENT_SIZE
	HOST_MACHINE_ARCH	(optional)
	HOST_MACHINE_MACHINE	(optional)
	HOST_TEXT_START_ADDR
	HOST_STACK_END_ADDR

  in the ../include/h-systemname.h file.  */

#define	PAGE_SIZE	HOST_PAGE_SIZE
#define	SEGMENT_SIZE	HOST_SEGMENT_SIZE
#define	TEXT_START_ADDR	HOST_TEXT_START_ADDR
#define	STACK_END_ADDR	HOST_STACK_END_ADDR

/*======== Stolen section begins below.  =================================*/

#define	a_info	a_magic		/* Old traditional Unix */

#define N_MAGIC(exec) ((exec).a_info & 0xffff)
#define N_SET_MAGIC(exec, magic) \
	((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff)))

/* Virtual Address of text segment from the a.out file.  For OMAGIC,
   (almost always "unlinked .o's" these days), should be zero.
   For linked files, should reflect reality if we know it.  */

#ifndef N_TXTADDR
#define N_TXTADDR(x)	(N_MAGIC(x)==OMAGIC? 0 : TEXT_START_ADDR)
#endif

#ifndef N_BADMAG
#define N_BADMAG(x)	  (N_MAGIC(x) != OMAGIC		\
			&& N_MAGIC(x) != NMAGIC		\
  			&& N_MAGIC(x) != ZMAGIC)
#endif

/* This complexity is for encapsulated COFF support */
#ifndef _N_HDROFF
#define _N_HDROFF(x)	(SEGMENT_SIZE - sizeof (struct exec))
#endif

#ifndef N_TXTOFF
#define N_TXTOFF(x)	(N_MAGIC(x) == ZMAGIC ?	\
				_N_HDROFF((x)) + sizeof (struct exec) :	\
				sizeof (struct exec))
#endif


#ifndef N_DATOFF
#define N_DATOFF(x)	( N_TXTOFF(x) + (x).a_text )
#endif

#ifndef N_TRELOFF
#define N_TRELOFF(x)	( N_DATOFF(x) + (x).a_data )
#endif

#ifndef N_DRELOFF
#define N_DRELOFF(x)	( N_TRELOFF(x) + (x).a_trsize )
#endif

#ifndef N_SYMOFF
#define N_SYMOFF(x)	( N_DRELOFF(x) + (x).a_drsize )
#endif

#ifndef N_STROFF
#define N_STROFF(x)	( N_SYMOFF(x) + (x).a_syms )
#endif

/* Address of text segment in memory after it is loaded.  */
#ifndef N_TXTADDR
#define	N_TXTADDR(x)	0
#endif

#ifndef N_DATADDR
#define N_DATADDR(x) \
    (N_MAGIC(x)==OMAGIC? (N_TXTADDR(x)+(x).a_text) \
     :  (SEGMENT_SIZE + ((N_TXTADDR(x)+(x).a_text-1) & ~(SEGMENT_SIZE-1))))
#endif

/* Address of bss segment in memory after it is loaded.  */
#ifndef N_BSSADDR
#define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data)
#endif


static bfd_target *NAME(host_aout,callback) ();

/*SUPPRESS558*/
/*SUPPRESS529*/

bfd_target *
DEFUN(NAME(host_aout,object_p), (abfd),
     bfd *abfd)
{
  unsigned char magicbuf[4];	/* Raw bytes of magic number from file */
  unsigned long magic;		/* Swapped magic number */

  bfd_error = system_call_error;

  if (bfd_read ((PTR)magicbuf, 1, sizeof (magicbuf), abfd) !=
      sizeof (magicbuf))
    return 0;
  magic = bfd_h_get_32 (abfd, magicbuf);

  if (N_BADMAG (*((struct exec *) &magic))) return 0;

  return NAME(aout,some_aout_object_p) (abfd, NAME(host_aout,callback));
}

/* Set parameters about this a.out file that are machine-dependent.
   This routine is called from NAME(some_aout_object_p) just before it returns.
   */

static bfd_target *
DEFUN(NAME(host_aout,callback), (abfd),
     bfd *abfd)
{
  /* exec_hdr (abfd), a "struct internal_exec *", is just an abstraction,
     as far as the BFD a.out layer cares.  We use it as a "struct exec *".
     This routine moves any data from the exec header,
     which is needed by the BFD code, out to places known to BFD.  This
     allows the rest of the BFD code to not know or care about the structure
     of exec_hdr (abfd).  */
  struct exec *execp = (struct exec *)exec_hdr (abfd);

  /* The virtual memory addresses of the sections */
  obj_datasec (abfd)->vma = N_DATADDR(*execp);
  obj_bsssec (abfd)->vma = N_BSSADDR(*execp);
  obj_textsec (abfd)->vma = N_TXTADDR(*execp);

  /* The file offsets of the sections */
  obj_textsec (abfd)->filepos = N_TXTOFF(*execp);
  obj_datasec (abfd)->filepos = N_DATOFF(*execp);

  /* The file offsets of the relocation info */
  obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp);
  obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp);

  /* The file offsets of the string table and symbol table.  */
  obj_str_filepos (abfd) = N_STROFF (*execp);
  obj_sym_filepos (abfd) = N_SYMOFF (*execp);

#ifdef HOST_MACHINE_ARCH
  abfd->obj_arch = HOST_MACHINE_ARCH;
#endif
#ifdef HOST_MACHINE_MACHINE
  abfd->obj_machine = HOST_MACHINE_MACHINE;
#endif

  obj_reloc_entry_size (abfd) = sizeof (struct relocation_info);
  return abfd->xvec;
}


boolean
DEFUN(NAME(host_aout,mkobject), (abfd),
     bfd *abfd)
{
  /* This struct is just for allocating two things with one zalloc, so
     they will be freed together, without violating alignment constraints. */
  struct aout_exec {
	struct aoutdata	aoutdata;
	struct exec	exec;
  } *rawptr;

  bfd_error = system_call_error;

  /* Use an intermediate variable for clarity */
  rawptr = (struct aout_exec *)bfd_zalloc (abfd, sizeof (struct aout_exec));

  if (rawptr == NULL) {
    bfd_error = no_memory;
    return false;
  }

  set_tdata (abfd, &rawptr->aoutdata);
  /* exec_hdr (abfd), a "struct internal_exec *", is just an abstraction,
     as far as the BFD a.out layer cares.  We use it as a "struct exec *".  */
  exec_hdr (abfd) = (struct internal_exec *) &rawptr->exec;

  /* For simplicity's sake we just make all the sections right here. */

  obj_textsec (abfd) = (asection *)NULL;
  obj_datasec (abfd) = (asection *)NULL;
  obj_bsssec (abfd) = (asection *)NULL;
  bfd_make_section (abfd, ".text");
  bfd_make_section (abfd, ".data");
  bfd_make_section (abfd, ".bss");

  return true;
}

/* Write an object file in host a.out format.
   Section contents have already been written.  We write the
   file header, symbols, and relocation.  */

boolean
DEFUN(NAME(host_aout,write_object_contents), (abfd),
     bfd *abfd)
{
/* This works because we are on the host system */
#define	EXEC_BYTES_SIZE		(sizeof (struct exec))
#define	EXTERNAL_LIST_SIZE	(sizeof (struct nlist))
  size_t data_pad = 0;
  unsigned char exec_bytes[EXEC_BYTES_SIZE];
  struct exec *execp = (struct exec *)exec_hdr (abfd);

  execp->a_text = obj_textsec (abfd)->size;

  WRITE_HEADERS (abfd, execp);
  return true;
}
\f
/* We use BFD generic archive files.  */
#define	aout_32_openr_next_archived_file	bfd_generic_openr_next_archived_file
#define	aout_32_generic_stat_arch_elt		bfd_generic_stat_arch_elt
#define	aout_32_slurp_armap			bfd_false
#define	aout_32_slurp_extended_name_table	bfd_true
#define	aout_32_write_armap			(PROTO (boolean, (*),	\
     (bfd *arch, unsigned int elength, struct orl *map, int orl_count,	\
      int stridx))) bfd_false
#define	aout_32_truncate_arname			bfd_dont_truncate_arname

/* No core file defined here -- configure in trad-core.c separately.  */
#define	aout_32_core_file_failing_command 	bfd_false
#define	aout_32_core_file_failing_signal	bfd_false
#define	aout_32_core_file_matches_executable_p	bfd_true
#define	some_kinda_core_file_p			bfd_false

#define aout_32_bfd_debug_info_start		bfd_void
#define aout_32_bfd_debug_info_end		bfd_void
#define aout_32_bfd_debug_info_accumulate	(PROTO(void,(*),(bfd*, struct sec *))) bfd_void

#define	aout_64_openr_next_archived_file	aout_32_openr_next_archived_file
#define	aout_64_generic_stat_arch_elt		aout_32_generic_stat_arch_elt
#define	aout_64_slurp_armap			aout_32_slurp_armap
#define	aout_64_slurp_extended_name_table	aout_32_slurp_extended_name_table
#define	aout_64_write_armap			aout_32_write_armap
#define	aout_64_truncate_arname			aout_32_truncate_arname

#define	aout_64_core_file_failing_command 	aout_32_core_file_failing_command
#define	aout_64_core_file_failing_signal	aout_32_core_file_failing_signal
#define	aout_64_core_file_matches_executable_p	aout_32_core_file_matches_executable_p

#define aout_64_bfd_debug_info_start		aout_32_bfd_debug_info_start
#define aout_64_bfd_debug_info_end		aout_32_bfd_debug_info_end
#define aout_64_bfd_debug_info_accumulate	aout_32_bfd_debug_info_accumulate


/* We implement these routines ourselves, rather than using the generic
   a.out versions.  */
#define	aout_write_object_contents	host_write_object_contents

bfd_target host_aout_big_vec =
  {
    "a.out-host-big",
    bfd_target_aout_flavour,
    true,			/* target byte order */
    true,			/* target headers byte order */
    (HAS_RELOC | EXEC_P |	/* object flags */
     HAS_LINENO | HAS_DEBUG |
     HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
    (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
    ' ',						   /* ar_pad_char */
    16,							   /* ar_max_namelen */
    3,							   /* minimum alignment power */
    _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
    _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
    
      {_bfd_dummy_target, NAME(host_aout,object_p),
       bfd_generic_archive_p, some_kinda_core_file_p},
      {bfd_false, NAME(host_aout,mkobject),
       _bfd_generic_mkarchive, bfd_false},
      {bfd_false, NAME(host_aout,write_object_contents), /* bfd_write_contents */
       _bfd_write_archive_contents, bfd_false},
    
    JUMP_TABLE(JNAME(aout))
};

bfd_target host_aout_little_vec =
  {
    "a.out-host-little",
    bfd_target_aout_flavour,
    false,			/* target byte order */
    false,			/* target headers byte order */
    (HAS_RELOC | EXEC_P |	/* object flags */
     HAS_LINENO | HAS_DEBUG |
     HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
    (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
    ' ',						   /* ar_pad_char */
    16,							   /* ar_max_namelen */
    3,							   /* minimum alignment power */
    _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putb16, /* data */
    _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* hdrs */
    
      {_bfd_dummy_target, NAME(host_aout,object_p),
       bfd_generic_archive_p, some_kinda_core_file_p},
      {bfd_false, NAME(host_aout,mkobject),
       _bfd_generic_mkarchive, bfd_false},
      {bfd_false, NAME(host_aout,write_object_contents), /* bfd_write_contents */
       _bfd_write_archive_contents, bfd_false},
    
    JUMP_TABLE(JNAME(aout))
};
Commit	Line	Data
fb3be09b JG	1	/* BFD backend for local host's a.out binaries
	2	Copyright (C) 1990-1991 Free Software Foundation, Inc.
	3	Written by Cygnus Support. Probably John Gilmore's fault.
c4cd3fc6	4
fb3be09b	5	This file is part of BFD, the Binary File Descriptor library.
c4cd3fc6	6
fb3be09b	7	This program is free software; you can redistribute it and/or modify
c4cd3fc6	8	it under the terms of the GNU General Public License as published by
fb3be09b JG	9	the Free Software Foundation; either version 2 of the License, or
fb3be09b JG	10	(at your option) any later version.
c4cd3fc6	11
fb3be09b	12	This program is distributed in the hope that it will be useful,
c4cd3fc6 JG	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
fb3be09b JG	18	along with this program; if not, write to the Free Software
fb3be09b JG	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
c4cd3fc6 JG	20
c4cd3fc6 JG	21	#include <ansidecl.h>
7ed4093a	22	#include <sysdep.h>
c4cd3fc6 JG	23	#include "bfd.h"
	24	#include "libbfd.h"
	25
	26	#include <a.out.h>
fb3be09b	27	#include "libaout.h" /* BFD a.out internal data structures */
c4cd3fc6 JG	28
	29	#include "trad-core.h" /* Traditional Unix core files */
	30
fb3be09b JG	31	/*======== This next section is stolen from ../include/a.out.gnu.h
	32	======== for all the losing Unix systems that don't provide these
	33	======== macros.
	34
	35	When porting to a new system, you must supply:
	36
	37	HOST_PAGE_SIZE
	38	HOST_SEGMENT_SIZE
	39	HOST_MACHINE_ARCH (optional)
	40	HOST_MACHINE_MACHINE (optional)
	41	HOST_TEXT_START_ADDR
	42	HOST_STACK_END_ADDR
	43
	44	in the ../include/h-systemname.h file. */
	45
	46	#define PAGE_SIZE HOST_PAGE_SIZE
	47	#define SEGMENT_SIZE HOST_SEGMENT_SIZE
	48	#define TEXT_START_ADDR HOST_TEXT_START_ADDR
	49	#define STACK_END_ADDR HOST_STACK_END_ADDR
	50
	51	/======== Stolen section begins below. =================================/
	52
	53	#define a_info a_magic /* Old traditional Unix */
c4cd3fc6	54
fb3be09b JG	55	#define N_MAGIC(exec) ((exec).a_info & 0xffff)
	56	#define N_SET_MAGIC(exec, magic) \
	57	((exec).a_info = (((exec).a_info & 0xffff0000) \| ((magic) & 0xffff)))
	58
	59	/* Virtual Address of text segment from the a.out file. For OMAGIC,
	60	(almost always "unlinked .o's" these days), should be zero.
	61	For linked files, should reflect reality if we know it. */
	62
	63	#ifndef N_TXTADDR
	64	#define N_TXTADDR(x) (N_MAGIC(x)==OMAGIC? 0 : TEXT_START_ADDR)
	65	#endif
	66
	67	#ifndef N_BADMAG
	68	#define N_BADMAG(x) (N_MAGIC(x) != OMAGIC \
	69	&& N_MAGIC(x) != NMAGIC \
	70	&& N_MAGIC(x) != ZMAGIC)
	71	#endif
	72
	73	/* This complexity is for encapsulated COFF support */
	74	#ifndef _N_HDROFF
	75	#define _N_HDROFF(x) (SEGMENT_SIZE - sizeof (struct exec))
	76	#endif
	77
	78	#ifndef N_TXTOFF
	79	#define N_TXTOFF(x) (N_MAGIC(x) == ZMAGIC ? \
	80	_N_HDROFF((x)) + sizeof (struct exec) : \
	81	sizeof (struct exec))
	82	#endif
	83
	84
	85	#ifndef N_DATOFF
	86	#define N_DATOFF(x) ( N_TXTOFF(x) + (x).a_text )
	87	#endif
	88
	89	#ifndef N_TRELOFF
	90	#define N_TRELOFF(x) ( N_DATOFF(x) + (x).a_data )
	91	#endif
	92
	93	#ifndef N_DRELOFF
	94	#define N_DRELOFF(x) ( N_TRELOFF(x) + (x).a_trsize )
	95	#endif
	96
	97	#ifndef N_SYMOFF
	98	#define N_SYMOFF(x) ( N_DRELOFF(x) + (x).a_drsize )
	99	#endif
	100
	101	#ifndef N_STROFF
	102	#define N_STROFF(x) ( N_SYMOFF(x) + (x).a_syms )
	103	#endif
	104
	105	/* Address of text segment in memory after it is loaded. */
	106	#ifndef N_TXTADDR
	107	#define N_TXTADDR(x) 0
	108	#endif
	109
	110	#ifndef N_DATADDR
	111	#define N_DATADDR(x) \
	112	(N_MAGIC(x)==OMAGIC? (N_TXTADDR(x)+(x).a_text) \
	113	: (SEGMENT_SIZE + ((N_TXTADDR(x)+(x).a_text-1) & ~(SEGMENT_SIZE-1))))
	114	#endif
	115
	116	/* Address of bss segment in memory after it is loaded. */
	117	#ifndef N_BSSADDR
	118	#define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data)
119	#endif
120
121
122	static bfd_target *NAME(host_aout,callback) ();
c4cd3fc6 JG	123
	124	/SUPPRESS558/
	125	/SUPPRESS529/
	126
	127	bfd_target *
fb3be09b JG	128	DEFUN(NAME(host_aout,object_p), (abfd),
fb3be09b JG	129	bfd *abfd)
c4cd3fc6 JG	130	{
	131	unsigned char magicbuf[4]; /* Raw bytes of magic number from file */
	132	unsigned long magic; /* Swapped magic number */
	133
	134	bfd_error = system_call_error;
	135
	136	if (bfd_read ((PTR)magicbuf, 1, sizeof (magicbuf), abfd) !=
	137	sizeof (magicbuf))
	138	return 0;
fb3be09b	139	magic = bfd_h_get_32 (abfd, magicbuf);
c4cd3fc6 JG	140
	141	if (N_BADMAG (((struct exec ) &magic))) return 0;
	142
fb3be09b	143	return NAME(aout,some_aout_object_p) (abfd, NAME(host_aout,callback));
c4cd3fc6 JG	144	}
	145
	146	/* Set parameters about this a.out file that are machine-dependent.
fb3be09b JG	147	This routine is called from NAME(some_aout_object_p) just before it returns.
fb3be09b JG	148	*/
c4cd3fc6 JG	149
c4cd3fc6 JG	150	static bfd_target *
fb3be09b JG	151	DEFUN(NAME(host_aout,callback), (abfd),
fb3be09b JG	152	bfd *abfd)
c4cd3fc6	153	{
fb3be09b JG	154	/* exec_hdr (abfd), a "struct internal_exec *", is just an abstraction,
	155	as far as the BFD a.out layer cares. We use it as a "struct exec *".
	156	This routine moves any data from the exec header,
	157	which is needed by the BFD code, out to places known to BFD. This
	158	allows the rest of the BFD code to not know or care about the structure
	159	of exec_hdr (abfd). */
	160	struct exec execp = (struct exec )exec_hdr (abfd);
c4cd3fc6 JG	161
	162	/* The virtual memory addresses of the sections */
	163	obj_datasec (abfd)->vma = N_DATADDR(*execp);
	164	obj_bsssec (abfd)->vma = N_BSSADDR(*execp);
	165	obj_textsec (abfd)->vma = N_TXTADDR(*execp);
	166
	167	/* The file offsets of the sections */
	168	obj_textsec (abfd)->filepos = N_TXTOFF(*execp);
	169	obj_datasec (abfd)->filepos = N_DATOFF(*execp);
	170
	171	/* The file offsets of the relocation info */
	172	obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp);
	173	obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp);
	174
	175	/* The file offsets of the string table and symbol table. */
	176	obj_str_filepos (abfd) = N_STROFF (*execp);
	177	obj_sym_filepos (abfd) = N_SYMOFF (*execp);
	178
	179	#ifdef HOST_MACHINE_ARCH
	180	abfd->obj_arch = HOST_MACHINE_ARCH;
	181	#endif
	182	#ifdef HOST_MACHINE_MACHINE
	183	abfd->obj_machine = HOST_MACHINE_MACHINE;
	184	#endif
	185
fb3be09b	186	obj_reloc_entry_size (abfd) = sizeof (struct relocation_info);
c4cd3fc6 JG	187	return abfd->xvec;
	188	}
	189
	190
	191	boolean
fb3be09b JG	192	DEFUN(NAME(host_aout,mkobject), (abfd),
fb3be09b JG	193	bfd *abfd)
c4cd3fc6	194	{
fb3be09b JG	195	/* This struct is just for allocating two things with one zalloc, so
	196	they will be freed together, without violating alignment constraints. */
	197	struct aout_exec {
	198	struct aoutdata aoutdata;
	199	struct exec exec;
	200	} *rawptr;
c4cd3fc6 JG	201
	202	bfd_error = system_call_error;
	203
	204	/* Use an intermediate variable for clarity */
fb3be09b	205	rawptr = (struct aout_exec *)bfd_zalloc (abfd, sizeof (struct aout_exec));
c4cd3fc6 JG	206
	207	if (rawptr == NULL) {
	208	bfd_error = no_memory;
	209	return false;
	210	}
	211
fb3be09b JG	212	set_tdata (abfd, &rawptr->aoutdata);
	213	/* exec_hdr (abfd), a "struct internal_exec *", is just an abstraction,
	214	as far as the BFD a.out layer cares. We use it as a "struct exec ". /
	215	exec_hdr (abfd) = (struct internal_exec *) &rawptr->exec;
c4cd3fc6 JG	216
	217	/* For simplicity's sake we just make all the sections right here. */
	218
	219	obj_textsec (abfd) = (asection *)NULL;
	220	obj_datasec (abfd) = (asection *)NULL;
	221	obj_bsssec (abfd) = (asection *)NULL;
	222	bfd_make_section (abfd, ".text");
	223	bfd_make_section (abfd, ".data");
	224	bfd_make_section (abfd, ".bss");
	225
	226	return true;
	227	}
	228
	229	/* Write an object file in host a.out format.
	230	Section contents have already been written. We write the
	231	file header, symbols, and relocation. */
	232
	233	boolean
fb3be09b JG	234	DEFUN(NAME(host_aout,write_object_contents), (abfd),
fb3be09b JG	235	bfd *abfd)
c4cd3fc6 JG	236	{
c4cd3fc6 JG	237	/* This works because we are on the host system */
fb3be09b JG	238	#define EXEC_BYTES_SIZE (sizeof (struct exec))
fb3be09b JG	239	#define EXTERNAL_LIST_SIZE (sizeof (struct nlist))
c4cd3fc6 JG	240	size_t data_pad = 0;
c4cd3fc6 JG	241	unsigned char exec_bytes[EXEC_BYTES_SIZE];
fb3be09b	242	struct exec execp = (struct exec )exec_hdr (abfd);
c4cd3fc6 JG	243
	244	execp->a_text = obj_textsec (abfd)->size;
	245
fb3be09b JG	246	WRITE_HEADERS (abfd, execp);
	247	return true;
	248	}
	249	\f
	250	/* We use BFD generic archive files. */
	251	#define aout_32_openr_next_archived_file bfd_generic_openr_next_archived_file
	252	#define aout_32_generic_stat_arch_elt bfd_generic_stat_arch_elt
9e2dad8e	253	#define aout_32_slurp_armap bfd_false
fb3be09b	254	#define aout_32_slurp_extended_name_table bfd_true
9e2dad8e JG	255	#define aout_32_write_armap (PROTO (boolean, (*), \
	256	(bfd arch, unsigned int elength, struct orl map, int orl_count, \
	257	int stridx))) bfd_false
	258	#define aout_32_truncate_arname bfd_dont_truncate_arname
c4cd3fc6	259
9e2dad8e JG	260	/* No core file defined here -- configure in trad-core.c separately. */
	261	#define aout_32_core_file_failing_command bfd_false
	262	#define aout_32_core_file_failing_signal bfd_false
	263	#define aout_32_core_file_matches_executable_p bfd_true
	264	#define some_kinda_core_file_p bfd_false
c4cd3fc6	265
fb3be09b JG	266	#define aout_32_bfd_debug_info_start bfd_void
	267	#define aout_32_bfd_debug_info_end bfd_void
	268	#define aout_32_bfd_debug_info_accumulate (PROTO(void,(),(bfd, struct sec *))) bfd_void
c4cd3fc6	269
9e2dad8e JG	270	#define aout_64_openr_next_archived_file aout_32_openr_next_archived_file
	271	#define aout_64_generic_stat_arch_elt aout_32_generic_stat_arch_elt
	272	#define aout_64_slurp_armap aout_32_slurp_armap
	273	#define aout_64_slurp_extended_name_table aout_32_slurp_extended_name_table
	274	#define aout_64_write_armap aout_32_write_armap
	275	#define aout_64_truncate_arname aout_32_truncate_arname
	276
	277	#define aout_64_core_file_failing_command aout_32_core_file_failing_command
	278	#define aout_64_core_file_failing_signal aout_32_core_file_failing_signal
	279	#define aout_64_core_file_matches_executable_p aout_32_core_file_matches_executable_p
	280
	281	#define aout_64_bfd_debug_info_start aout_32_bfd_debug_info_start
	282	#define aout_64_bfd_debug_info_end aout_32_bfd_debug_info_end
	283	#define aout_64_bfd_debug_info_accumulate aout_32_bfd_debug_info_accumulate
	284
c4cd3fc6	285
fb3be09b JG	286	/* We implement these routines ourselves, rather than using the generic
	287	a.out versions. */
	288	#define aout_write_object_contents host_write_object_contents
c4cd3fc6 JG	289
c4cd3fc6 JG	290	bfd_target host_aout_big_vec =
fb3be09b JG	291	{
fb3be09b JG	292	"a.out-host-big",
9e2dad8e	293	bfd_target_aout_flavour,
fb3be09b JG	294	true, /* target byte order */
	295	true, /* target headers byte order */
	296	(HAS_RELOC \| EXEC_P \| /* object flags */
	297	HAS_LINENO \| HAS_DEBUG \|
	298	HAS_SYMS \| HAS_LOCALS \| DYNAMIC \| WP_TEXT \| D_PAGED),
	299	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC), /* section flags */
	300	' ', /* ar_pad_char */
	301	16, /* ar_max_namelen */
	302	3, /* minimum alignment power */
	303	_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
	304	_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
	305
	306	{_bfd_dummy_target, NAME(host_aout,object_p),
9e2dad8e	307	bfd_generic_archive_p, some_kinda_core_file_p},
fb3be09b	308	{bfd_false, NAME(host_aout,mkobject),
c4cd3fc6	309	_bfd_generic_mkarchive, bfd_false},
fb3be09b	310	{bfd_false, NAME(host_aout,write_object_contents), /* bfd_write_contents */
c4cd3fc6	311	_bfd_write_archive_contents, bfd_false},
fb3be09b JG	312
fb3be09b JG	313	JUMP_TABLE(JNAME(aout))
c4cd3fc6 JG	314	};
	315
	316	bfd_target host_aout_little_vec =
fb3be09b JG	317	{
fb3be09b JG	318	"a.out-host-little",
9e2dad8e	319	bfd_target_aout_flavour,
fb3be09b JG	320	false, /* target byte order */
	321	false, /* target headers byte order */
	322	(HAS_RELOC \| EXEC_P \| /* object flags */
	323	HAS_LINENO \| HAS_DEBUG \|
	324	HAS_SYMS \| HAS_LOCALS \| DYNAMIC \| WP_TEXT \| D_PAGED),
	325	(SEC_HAS_CONTENTS \| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC), /* section flags */
	326	' ', /* ar_pad_char */
	327	16, /* ar_max_namelen */
	328	3, /* minimum alignment power */
9e2dad8e JG	329	_do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putb16, /* data */
9e2dad8e JG	330	_do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* hdrs */
fb3be09b JG	331
fb3be09b JG	332	{_bfd_dummy_target, NAME(host_aout,object_p),
9e2dad8e	333	bfd_generic_archive_p, some_kinda_core_file_p},
fb3be09b	334	{bfd_false, NAME(host_aout,mkobject),
c4cd3fc6	335	_bfd_generic_mkarchive, bfd_false},
fb3be09b	336	{bfd_false, NAME(host_aout,write_object_contents), /* bfd_write_contents */
c4cd3fc6	337	_bfd_write_archive_contents, bfd_false},
fb3be09b JG	338
fb3be09b JG	339	JUMP_TABLE(JNAME(aout))
c4cd3fc6	340	};