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This commit is contained in:
Steve Chamberlain 1991-11-04 00:46:42 +00:00
parent ce4d59e25d
commit 82e643ecc4
2 changed files with 184 additions and 0 deletions
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159
ld/i386aout.c Executable file
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/* NOTE: If there are angle brackets here: I386AOUT then this is a
* template file (ldtemplate), intended for processing by sed.
* Otherwise, this file has already been processed by sed,
* and customized for a particular emulation target.
* In that DO NOT EDIT the file; edit ldtemplate instead.
*/
/* emulate the original gld for the given I386AOUT
Copyright (C) 1991 Free Software Foundation, Inc.
Written by Steve Chamberlain steve@cygnus.com
This file is part of GLD, the Gnu Linker.
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. */
/*
* $Id:#
*/
#define TARGET_IS_I386AOUT
#include "bfd.h"
#include "sysdep.h"
#include "ld.h"
#include "config.h"
#include "ldemul.h"
#include "ldfile.h"
#include "ldmisc.h"
extern boolean lang_float_flag;
extern enum bfd_architecture ldfile_output_architecture;
extern unsigned long ldfile_output_machine;
extern char *ldfile_output_machine_name;
extern bfd *output_bfd;
static void gldi386aout_before_parse()
{
#ifdef TARGET_IS_M88KBCS
extern char lprefix;
lprefix = '@';
#else
#ifndef TARGET_ /* I.e., if not generic */
ldfile_output_architecture = bfd_arch_i386;
#endif
#endif
}
static void
gldi386aout_after_parse()
{
}
static void
gldi386aout_after_allocation()
{
}
static void
gldi386aout_before_allocation()
{
}
static void
gldi386aout_set_output_arch()
{
/* Set the output architecture and machine if possible */
bfd_set_arch_mach(output_bfd,
ldfile_output_architecture, ldfile_output_machine);
}
static char *
gldi386aout_choose_target()
{
char *from_outside = getenv(TARGET_ENVIRON);
if (from_outside != (char *)NULL)
return from_outside;
return GLDI386AOUT_TARGET;
}
static void
gldi386aout_syslib()
{
info("%S SYSLIB ignored\n");
}
static void
gldi386aout_hll(ignore)
char *ignore;
{
info("%S HLL ignored\n");
}
static char *gldi386aout_script =
#include "i386aout.x"
;
static char *gldi386aout_script_option_Ur =
#include "i386aout.xu"
;
static char *gldi386aout_script_option_r =
#include "i386aout.xr"
;
static char *gldi386aout_script_option_n = /* Used with -n flag. */
#include "i386aout.xn"
;
static char *gldi386aout_script_option_N = /* Used with -N flag. */
#include "i386aout.xN"
;
static char *gldi386aout_get_script()
{
extern ld_config_type config;
if (config.relocateable_output == true &&
config.build_constructors == true) {
return gldi386aout_script_option_Ur;
}
if (config.relocateable_output == true) {
return gldi386aout_script_option_r;
}
if (!config.text_read_only)
return gldi386aout_script_option_N;
if (!config.magic_demand_paged)
return gldi386aout_script_option_n;
return gldi386aout_script;
}
struct ld_emulation_xfer_struct ld_gldi386aout_emulation =
{
gldi386aout_before_parse,
gldi386aout_syslib,
gldi386aout_hll,
gldi386aout_after_parse,
gldi386aout_after_allocation,
gldi386aout_set_output_arch,
gldi386aout_choose_target,
gldi386aout_before_allocation,
gldi386aout_get_script,
};

25
ld/i386aout.sc Executable file
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OUTPUT_FORMAT("a.out-i386")
OUTPUT_ARCH(i386)
__DYNAMIC = 0;
SECTIONS
{
.text 0 BLOCK(0x1000) :
{
CREATE_OBJECT_SYMBOLS
*(.text)
_etext = ALIGN(0x1000);
}
.data ALIGN(0x1000) :
{
*(.data)
CONSTRUCTORS
_edata = .;
}
.bss SIZEOF(.data) + ADDR(.data) :
{
*(.bss)
[COMMON]
_end = .;
}
}