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144 lines
4.4 KiB
C
144 lines
4.4 KiB
C
/*** bfd backend for NewsOS3 (Sony, 68k) binaries */
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/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Diddler.
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BFD 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 1, or (at your option)
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any later version.
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BFD 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 BFD; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#define TARGET_BYTE_ORDER_BIG_P 1
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#define PAGE_SIZE 4096
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#define SEGMENT_SIZE PAGE_SIZE
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#define TEXT_START_ADDR 0
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#define ARCH 32
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#define BYTES_IN_WORD 4
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#include <ansidecl.h>
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#include <sysdep.h>
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#include "bfd.h"
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#include "libbfd.h"
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#include "aout64.h"
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#include "stab.gnu.h"
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#include "ar.h"
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#include "libaout.h" /* BFD a.out internal data structures */
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int vfprintf(file, format, args) /* Temporary crock! */
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FILE *file; char *format; char *args;
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{
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return _doprnt (format, args, file);
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}
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bfd_target *newsos3_callback ();
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bfd_target *
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DEFUN(newsos3_object_p,(abfd),
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bfd *abfd)
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{
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unsigned char magicbuf[LONG_SIZE]; /* Raw bytes of magic number from file */
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unsigned long magic; /* Swapped magic number */
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bfd_error = system_call_error;
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if (bfd_read ((PTR)magicbuf, 1, sizeof (magicbuf), abfd) !=
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sizeof (magicbuf))
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return 0;
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magic = bfd_h_get_32 (abfd, magicbuf);
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if (N_BADMAG (*((struct internal_exec *) &magic))) return 0;
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return aout_32_some_aout_object_p (abfd, newsos3_callback);
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}
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/* Finish up the reading of a NEWS-OS a.out file header */
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bfd_target *
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DEFUN(newsos3_callback,(abfd),
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bfd *abfd)
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{
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struct internal_exec *execp = exec_hdr (abfd);
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WORK_OUT_FILE_POSITIONS(abfd, execp) ;
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/* Determine the architecture and machine type of the object file. */
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abfd->obj_arch = bfd_arch_m68k;
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abfd->obj_machine = 0;
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return abfd->xvec;
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}
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/* Write an object file in NEWS-OS format.
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Section contents have already been written. We write the
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file header, symbols, and relocation. */
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boolean
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DEFUN(newsos3_write_object_contents,(abfd),
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bfd *abfd)
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{
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bfd_size_type data_pad = 0;
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struct external_exec exec_bytes;
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struct internal_exec *execp = exec_hdr (abfd);
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WRITE_HEADERS(abfd, execp);
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return true;
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}
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/* Transfer vectors for NEWS-OS version 3 */
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/* We use BFD generic archive files. */
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#define aout_32_openr_next_archived_file bfd_generic_openr_next_archived_file
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#define aout_32_generic_stat_arch_elt bfd_generic_stat_arch_elt
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#define aout_32_slurp_armap bfd_slurp_bsd_armap
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#define aout_32_slurp_extended_name_table bfd_true
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#define aout_32_write_armap bsd_write_armap
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#define aout_32_truncate_arname bfd_bsd_truncate_arname
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/* We don't support core files yet. FIXME. */
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#define aout_32_core_file_failing_command _bfd_dummy_core_file_failing_command
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#define aout_32_core_file_failing_signal _bfd_dummy_core_file_failing_signal
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#define aout_32_core_file_matches_executable_p \
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_bfd_dummy_core_file_matches_executable_p
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#define aout_32_core_file_p _bfd_dummy_target
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/* We define our own versions of these routines. */
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bfd_target newsos3_vec = /* Sony 68k-based machines running newos3 */
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{
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"a.out-newos3", /* name */
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bfd_target_aout_flavour_enum,
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true, /* target byte order */
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true, /* target headers byte order */
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(HAS_RELOC | EXEC_P | /* object flags */
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HAS_LINENO | HAS_DEBUG |
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HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
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' ', /* ar_pad_char */
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16, /* ar_max_namelen */
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_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
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_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
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{_bfd_dummy_target, newsos3_object_p, /* bfd_check_format */
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bfd_generic_archive_p, aout_32_core_file_p},
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{bfd_false, aout_32_mkobject, /* bfd_set_format */
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_bfd_generic_mkarchive, bfd_false},
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{bfd_false, newsos3_write_object_contents, /* bfd_write_contents */
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_bfd_write_archive_contents, bfd_false},
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JUMP_TABLE(aout_32)
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};
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