155 lines
4.2 KiB
C
155 lines
4.2 KiB
C
/* BFD back-end for Amiga style m68k a.out binaries.
|
|
Copyright (C) 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
|
|
Contributed by Stephan Thesing.
|
|
|
|
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 "config.h"
|
|
|
|
#define TARGETNAME "a.out-amiga"
|
|
#define MACHTYPE_OK(m) ((m)==M_UNKNOWN || (m)==M_68010 || (m)==M_68020)
|
|
#define TARGET_IS_BIG_ENDIAN_P
|
|
#define TARGET_PAGE_SIZE 0x2000
|
|
#define N_HEADER_IN_TEXT(x) 0
|
|
#define N_SHARED_LIB(x) 0
|
|
#define TEXT_START_ADDR 0
|
|
|
|
/* Do not "beautify" the CONCAT* macro args. Traditional C will not
|
|
remove whitespace added here, and thus will fail to concatenate
|
|
the tokens. */
|
|
#define MY(OP) CONCAT2 (aout_amiga_,OP)
|
|
|
|
#include "bfd.h"
|
|
#include "sysdep.h"
|
|
#include "libbfd.h"
|
|
#include "libaout.h"
|
|
#include "aout/aout64.h"
|
|
|
|
bfd_boolean
|
|
MY(final_link) PARAMS ((bfd *, struct bfd_link_info *));
|
|
|
|
bfd_boolean
|
|
amiga_final_link PARAMS ((bfd *, struct bfd_link_info *));
|
|
#define MY_bfd_final_link amiga_final_link
|
|
|
|
bfd_byte *
|
|
get_relocated_section_contents PARAMS ((bfd *, struct bfd_link_info *,
|
|
struct bfd_link_order *, bfd_byte *, bfd_boolean, asymbol **));
|
|
#define MY_bfd_get_relocated_section_contents get_relocated_section_contents
|
|
|
|
static unsigned long MY(get_mach) PARAMS ((enum machine_type));
|
|
static bfd_boolean MY(write_object_contents) PARAMS ((bfd *));
|
|
static bfd_boolean MY(set_sizes) PARAMS ((bfd *));
|
|
static bfd_boolean MY(link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
|
|
#define MY_bfd_link_add_symbols aout_amiga_link_add_symbols
|
|
|
|
static unsigned long
|
|
MY(get_mach) (machtype)
|
|
enum machine_type machtype;
|
|
{
|
|
unsigned long machine;
|
|
switch (machtype)
|
|
{
|
|
default:
|
|
case M_UNKNOWN:
|
|
/* Some Sun3s make magic numbers without cpu types in them, so
|
|
we'll default to the 68000. */
|
|
machine = bfd_mach_m68000;
|
|
break;
|
|
|
|
case M_68010:
|
|
machine = bfd_mach_m68010;
|
|
break;
|
|
|
|
case M_68020:
|
|
machine = bfd_mach_m68020;
|
|
break;
|
|
}
|
|
return machine;
|
|
}
|
|
#define SET_ARCH_MACH(ABFD, EXEC) \
|
|
bfd_set_arch_mach (ABFD, bfd_arch_m68k, MY(get_mach) (N_MACHTYPE (EXEC)))
|
|
|
|
static bfd_boolean
|
|
MY(write_object_contents) (abfd)
|
|
bfd *abfd;
|
|
{
|
|
struct external_exec exec_bytes;
|
|
struct internal_exec *execp = exec_hdr (abfd);
|
|
|
|
/* Magic number, maestro, please! */
|
|
switch (bfd_get_arch (abfd))
|
|
{
|
|
case bfd_arch_m68k:
|
|
switch (bfd_get_mach (abfd))
|
|
{
|
|
case bfd_mach_m68000:
|
|
N_SET_MACHTYPE (*execp, M_UNKNOWN);
|
|
break;
|
|
case bfd_mach_m68010:
|
|
N_SET_MACHTYPE (*execp, M_68010);
|
|
break;
|
|
default:
|
|
case bfd_mach_m68020:
|
|
N_SET_MACHTYPE (*execp, M_68020);
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
N_SET_MACHTYPE (*execp, M_UNKNOWN);
|
|
}
|
|
|
|
WRITE_HEADERS (abfd, execp);
|
|
|
|
return TRUE;
|
|
}
|
|
#define MY_write_object_contents MY(write_object_contents)
|
|
|
|
static bfd_boolean
|
|
MY(set_sizes) (abfd)
|
|
bfd *abfd;
|
|
{
|
|
adata (abfd).page_size = TARGET_PAGE_SIZE;
|
|
adata (abfd).segment_size = TARGET_PAGE_SIZE;
|
|
adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE;
|
|
return TRUE;
|
|
}
|
|
#define MY_set_sizes MY(set_sizes)
|
|
|
|
/* Include the usual a.out support. */
|
|
#include "aout-target.h"
|
|
|
|
/* Add symbols from an object file to the global hash table. */
|
|
static bfd_boolean
|
|
MY(link_add_symbols) (abfd, info)
|
|
bfd *abfd;
|
|
struct bfd_link_info *info;
|
|
{
|
|
if (info->hash->creator->flavour == bfd_target_amiga_flavour)
|
|
return _bfd_generic_link_add_symbols (abfd, info);
|
|
return NAME(aout,link_add_symbols) (abfd, info);
|
|
}
|
|
|
|
/* Public final_link routine. */
|
|
bfd_boolean
|
|
MY(final_link) (abfd, info)
|
|
bfd *abfd;
|
|
struct bfd_link_info *info;
|
|
{
|
|
return NAME(aout,final_link) (abfd, info, MY_final_link_callback);
|
|
}
|