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/* 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,
};
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