224 lines
4.6 KiB
C
Executable File
224 lines
4.6 KiB
C
Executable File
/* Copyright (C) 1991 Free Software Foundation, Inc.
|
|
|
|
This file is part of GLD, the Gnu Linker.
|
|
|
|
GLD 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 1, or (at your option)
|
|
any later version.
|
|
|
|
GLD 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 GLD; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
/*
|
|
* $Id:#
|
|
*/
|
|
|
|
/*
|
|
* emulate the original gld running on a 68k system
|
|
*
|
|
* Written by Steve Chamberlain steve@cygnus.com
|
|
*/
|
|
|
|
|
|
#include "sysdep.h"
|
|
#include "bfd.h"
|
|
|
|
#include "ld.h"
|
|
#include "config.h"
|
|
#include "ld-emul.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 gld68k_before_parse()
|
|
{
|
|
ldfile_add_library_path("/lib");
|
|
ldfile_add_library_path("/usr/lib");
|
|
ldfile_add_library_path("/usr/local/lib/lib");
|
|
ldfile_output_architecture = bfd_arch_m68k;
|
|
}
|
|
|
|
|
|
static void
|
|
gld68k_after_parse()
|
|
{
|
|
|
|
}
|
|
|
|
static void
|
|
gld68k_after_allocation()
|
|
{
|
|
|
|
}
|
|
|
|
static void
|
|
gld68k_before_allocation()
|
|
{
|
|
|
|
}
|
|
|
|
|
|
static void
|
|
gld68k_set_output_arch()
|
|
{
|
|
/* Set the output architecture and machine if possible */
|
|
unsigned long machine = 0;
|
|
bfd_set_arch_mach(output_bfd, ldfile_output_architecture, machine);
|
|
}
|
|
|
|
static char *
|
|
gld68k_choose_target()
|
|
{
|
|
char *from_outside = getenv(TARGET_ENVIRON);
|
|
if (from_outside != (char *)NULL)
|
|
return from_outside;
|
|
return GLD68K_TARGET;
|
|
}
|
|
|
|
static void
|
|
gld68k_syslib()
|
|
{
|
|
info("%S SYSLIB ignored\n");
|
|
}
|
|
|
|
static void
|
|
gld68k_hll(ignore)
|
|
char *ignore;
|
|
{
|
|
info("%S HLL ignored\n");
|
|
}
|
|
|
|
static char *gld68k_script = " \
|
|
SEARCH_DIR(/lib) \
|
|
SEARCH_DIR(/usr/lib) \
|
|
SEARCH_DIR(/usr/local/lib) \
|
|
__DYNAMIC = 0; \
|
|
SECTIONS \
|
|
{ \
|
|
.text 0x2020 BLOCK(0x2000): \
|
|
{ \
|
|
CREATE_OBJECT_SYMBOLS \
|
|
*(.text) \
|
|
_etext = ALIGN( 0x2000); \
|
|
} \
|
|
.data ALIGN(0x20000) : \
|
|
{ \
|
|
*(.data) \
|
|
___DTOR_LIST__=. ; \
|
|
LONG((___CTOR_LIST__ - .)/4 -2) \
|
|
*(___DTOR_LIST__) \
|
|
LONG(0) \
|
|
___CTOR_LIST__=. ; \
|
|
LONG((_edata - .)/4 -2) \
|
|
*(___CTOR_LIST__) \
|
|
LONG(0) \
|
|
_edata = .; \
|
|
} \
|
|
.bss SIZEOF(.data) + ADDR(.data) : \
|
|
{ \
|
|
*(.bss) \
|
|
[COMMON] \
|
|
_end=.; \
|
|
} \
|
|
}";
|
|
|
|
|
|
static char *gld68k_script_option_Ur = "\
|
|
SEARCH_DIR(/lib) \
|
|
SEARCH_DIR(/usr/lib) \
|
|
SEARCH_DIR(/usr/local/lib) \
|
|
SECTIONS \
|
|
{ \
|
|
.text 0: \
|
|
{ \
|
|
CREATE_OBJECT_SYMBOLS \
|
|
*(.text) \
|
|
} \
|
|
.data SIZEOF(.text) + ADDR(.text) : \
|
|
{ \
|
|
*(.data) \
|
|
___DTOR_LIST__=. ; \
|
|
LONG((___CTOR_LIST__ - .)/4 -2) \
|
|
*(___DTOR_LIST__) \
|
|
LONG(0) \
|
|
___CTOR_LIST__=. ; \
|
|
LONG((___end_list__ - .)/4 -2) \
|
|
*(___CTOR_LIST__) \
|
|
LONG(0) \
|
|
___end_list__ = . ; \
|
|
} \
|
|
.bss SIZEOF(.data) + ADDR(.data) : \
|
|
{ \
|
|
*(.bss) \
|
|
[COMMON] \
|
|
} \
|
|
} \
|
|
";
|
|
|
|
static char *gld68k_script_option_r = "\
|
|
SEARCH_DIR(/lib) \
|
|
SEARCH_DIR(/usr/lib) \
|
|
SEARCH_DIR(/usr/local/lib) \
|
|
SECTIONS \
|
|
{ \
|
|
.text 0: \
|
|
{ \
|
|
CREATE_OBJECT_SYMBOLS \
|
|
*(.text) \
|
|
} \
|
|
.data SIZEOF(.text) + ADDR(.text) : \
|
|
{ \
|
|
*(.data) \
|
|
} \
|
|
.bss SIZEOF(.data) + ADDR(.data) : \
|
|
{ \
|
|
*(.bss) \
|
|
[COMMON] \
|
|
} \
|
|
} \
|
|
";
|
|
|
|
static char *gld68k_get_script()
|
|
{
|
|
extern ld_config_type config;
|
|
if (config.relocateable_output == true &&
|
|
config.build_constructors == true) {
|
|
return gld68k_script_option_Ur;
|
|
}
|
|
if (config.relocateable_output) {
|
|
return gld68k_script_option_r;
|
|
}
|
|
|
|
return gld68k_script;
|
|
}
|
|
struct ld_emulation_xfer_struct ld_gld68k_emulation =
|
|
{
|
|
gld68k_before_parse,
|
|
gld68k_syslib,
|
|
gld68k_hll,
|
|
gld68k_after_parse,
|
|
gld68k_after_allocation,
|
|
gld68k_set_output_arch,
|
|
gld68k_choose_target,
|
|
gld68k_before_allocation,
|
|
gld68k_get_script,
|
|
};
|
|
|