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115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
/* BFD back-end for Mach3/532 a.out-ish binaries.
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Copyright 1990, 1991, 1992, 1994, 1995, 2000, 2001, 2002
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Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program 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 2 of the License, or
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(at your option) any later version.
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This program 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 this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* Written by Ian Dall
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* 19-Apr-94
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*
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* Formerly part of aout-pc532-mach.c. Split out to allow more
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* flexibility with multiple formats.
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*
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*/
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/* This architecture has N_TXTOFF and N_TXTADDR defined as if
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* N_HEADER_IN_TEXT, but the a_text entry (text size) does not include the
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* space for the header. So we have N_HEADER_IN_TEXT defined to
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* 1 and specially define our own N_TXTSIZE
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*/
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#define N_HEADER_IN_TEXT(x) 1
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#define N_TXTSIZE(x) ((x).a_text)
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#define TEXT_START_ADDR 0x10000 /* from old ld */
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#define TARGET_PAGE_SIZE 0x1000 /* from old ld, 032 & 532 are really 512/4k */
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/* Use a_entry of 0 to distinguish object files from OMAGIC executables */
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#define N_TXTADDR(x) \
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(N_MAGIC(x) == OMAGIC ? \
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((x).a_entry < TEXT_START_ADDR? 0: TEXT_START_ADDR): \
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(N_MAGIC(x) == NMAGIC? TEXT_START_ADDR: \
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TEXT_START_ADDR + EXEC_BYTES_SIZE))
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#define SEGMENT_SIZE TARGET_PAGE_SIZE
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#define N_SHARED_LIB(x) 0
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#define SEGMENT_SIZE TARGET_PAGE_SIZE
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#define DEFAULT_ARCH bfd_arch_ns32k
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/* Do not "beautify" the CONCAT* macro args. Traditional C will not
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remove whitespace added here, and thus will fail to concatenate
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the tokens. */
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#define MY(OP) CONCAT2 (pc532machaout_,OP)
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/* Must be the same as aout-ns32k.c */
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#define NAME(x,y) CONCAT3 (ns32kaout,_32_,y)
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#define TARGETNAME "a.out-pc532-mach"
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#include "bfd.h"
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#include "sysdep.h"
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#include "libaout.h"
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#include "libbfd.h"
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#include "aout/aout64.h"
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#define MY_bfd_reloc_type_lookup ns32kaout_bfd_reloc_type_lookup
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/* libaout doesn't use NAME for these ... */
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#define MY_get_section_contents aout_32_get_section_contents
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#define MY_text_includes_header 1
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#define MY_exec_header_not_counted 1
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reloc_howto_type *ns32kaout_bfd_reloc_type_lookup
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PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
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static bfd_boolean MY(write_object_contents)
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PARAMS ((bfd *abfd));
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static bfd_boolean
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MY(write_object_contents) (abfd)
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bfd *abfd;
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{
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struct external_exec exec_bytes;
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struct internal_exec *execp = exec_hdr (abfd);
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obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
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BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_ns32k);
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switch (bfd_get_mach (abfd))
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{
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case 32032:
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N_SET_MACHTYPE (*execp, M_NS32032);
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break;
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case 32532:
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default:
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N_SET_MACHTYPE (*execp, M_NS32532);
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break;
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}
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N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags);
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WRITE_HEADERS(abfd, execp);
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return TRUE;
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}
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#define MY_write_object_contents MY(write_object_contents)
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#include "aout-target.h"
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