host-aout.c

早期freebsd实现

/* 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 "bfd.h"
#include "sysdep.h"
#include "libbfd.h"

#define	ARCH_SIZE	32

/* When porting to a new system, you must supply:

	HOST_PAGE_SIZE		(optional)
	HOST_SEGMENT_SIZE	(optional -- defaults to page size)
	HOST_MACHINE_ARCH	(optional)
	HOST_MACHINE_MACHINE	(optional)
	HOST_TEXT_START_ADDR	(optional)
	HOST_STACK_END_ADDR	(not used, except by trad-core ???)
	HOST_BIG_ENDIAN_P	(required -- define if big-endian)

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

#ifdef			HOST_PAGE_SIZE
#define	PAGE_SIZE	HOST_PAGE_SIZE
#endif

#ifdef			HOST_SEGMENT_SIZE
#define	SEGMENT_SIZE	HOST_SEGMENT_SIZE
#else
#define	SEGMENT_SIZE	PAGE_SIZE
#endif

#ifdef			HOST_TEXT_START_ADDR
#define	TEXT_START_ADDR	HOST_TEXT_START_ADDR
#endif

#ifdef			HOST_STACK_END_ADDR
#define	STACK_END_ADDR	HOST_STACK_END_ADDR
#endif

#ifdef			HOST_BIG_ENDIAN_P
#define	TARGET_IS_BIG_ENDIAN_P
#else
#undef  TARGET_IS_BIG_ENDIAN_P
#endif

#include "libaout.h"           /* BFD a.out internal data structures */
#include "aout/aout64.h"

#ifdef HOST_MACHINE_ARCH
#ifdef HOST_MACHINE_MACHINE
#define SET_ARCH_MACH(abfd, execp) \
  bfd_default_set_arch_mach(abfd, HOST_MACHINE_ARCH, HOST_MACHINE_MACHINE)
#else
#define SET_ARCH_MACH(abfd, execp) \
  bfd_default_set_arch_mach(abfd, HOST_MACHINE_ARCH, 0)
#endif
#endif /* HOST_MACHINE_ARCH */

#define MY(OP) CAT(host_aout_,OP)
#define TARGETNAME "a.out"

#include "aout-target.h"