mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-05 04:06:45 +00:00
83 lines
3.1 KiB
C
83 lines
3.1 KiB
C
/* BFD back-end for i386 a.out binaries under dynix.
|
|
Copyright (C) 1994-2017 Free Software Foundation, Inc.
|
|
|
|
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 3 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., 51 Franklin Street - Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
|
|
/* This BFD is currently only tested with gdb, writing object files
|
|
may not work. */
|
|
|
|
#define TEXT_START_ADDR 4096
|
|
#define TARGET_PAGE_SIZE 4096
|
|
#define SEGMENT_SIZE TARGET_PAGE_SIZE
|
|
|
|
#include "aout/dynix3.h"
|
|
|
|
#define DEFAULT_ARCH bfd_arch_i386
|
|
#define MACHTYPE_OK(mtype) ((mtype) == M_386 || (mtype) == M_UNKNOWN)
|
|
|
|
/* 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 (i386_aout_dynix_,OP)
|
|
#define TARGETNAME "a.out-i386-dynix"
|
|
#define NAME(x,y) CONCAT3 (i386dynix,_32_,y)
|
|
#define ARCH_SIZE 32
|
|
#define NAME_swap_exec_header_in NAME(i386dynix_32_,swap_exec_header_in)
|
|
#define MY_get_section_contents aout_32_get_section_contents
|
|
|
|
/* aoutx.h requires definitions for NMAGIC, BMAGIC and QMAGIC. */
|
|
#define NMAGIC 0
|
|
#define BMAGIC OMAGIC
|
|
#define QMAGIC XMAGIC
|
|
|
|
#include "aoutx.h"
|
|
|
|
/* (Ab)use some fields in the internal exec header to be able to read
|
|
executables that contain shared data. */
|
|
|
|
#define a_shdata a_tload
|
|
#define a_shdrsize a_dload
|
|
|
|
void
|
|
i386dynix_32_swap_exec_header_in (bfd *abfd,
|
|
struct external_exec *raw_bytes,
|
|
struct internal_exec *execp)
|
|
{
|
|
struct external_exec *bytes = (struct external_exec *)raw_bytes;
|
|
|
|
/* The internal_exec structure has some fields that are unused in this
|
|
configuration (IE for i960), so ensure that all such uninitialized
|
|
fields are zero'd out. There are places where two of these structs
|
|
are memcmp'd, and thus the contents do matter. */
|
|
memset (execp, 0, sizeof (struct internal_exec));
|
|
/* Now fill in fields in the execp, from the bytes in the raw data. */
|
|
execp->a_info = H_GET_32 (abfd, bytes->e_info);
|
|
execp->a_text = GET_WORD (abfd, bytes->e_text);
|
|
execp->a_data = GET_WORD (abfd, bytes->e_data);
|
|
execp->a_bss = GET_WORD (abfd, bytes->e_bss);
|
|
execp->a_syms = GET_WORD (abfd, bytes->e_syms);
|
|
execp->a_entry = GET_WORD (abfd, bytes->e_entry);
|
|
execp->a_trsize = GET_WORD (abfd, bytes->e_trsize);
|
|
execp->a_drsize = GET_WORD (abfd, bytes->e_drsize);
|
|
execp->a_shdata = GET_WORD (abfd, bytes->e_shdata);
|
|
execp->a_shdrsize = GET_WORD (abfd, bytes->e_shdrsize);
|
|
}
|
|
|
|
#include "aout-target.h"
|