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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. */
/*
* $Id$
*
* $Log$
* Revision 1.1.1.1 1991/03/21 21:28:25 gumby
* Back from Intel with Steve
*
* Revision 1.1 1991/03/21 21:28:24 gumby
* Initial revision
*
* Revision 1.2 1991/03/15 18:45:55 rich
* foo
*
* Revision 1.1 1991/03/13 00:48:11 chrisb
* Initial revision
*
* Revision 1.7 1991/03/10 09:31:18 rich
* Modified Files:
* Makefile config.h ld-emul.c ld-emul.h ld-gld.c ld-gld960.c
* ld-lnk960.c ld.h lddigest.c ldexp.c ldexp.h ldfile.c ldfile.h
* ldgram.y ldinfo.h ldlang.c ldlang.h ldlex.h ldlex.l ldmain.c
* ldmain.h ldmisc.c ldmisc.h ldsym.c ldsym.h ldversion.c
* ldversion.h ldwarn.h ldwrite.c ldwrite.h y.tab.h
*
* As of this round of changes, ld now builds on all hosts of (Intel960)
* interest and copy passes my copy test on big endian hosts again.
*
* Revision 1.6 1991/03/09 03:23:12 sac
* Added -Ur loader script.
*
* Revision 1.5 1991/03/06 21:59:29 sac
* Completed G++ support
*
* Revision 1.4 1991/03/06 02:23:34 sac
* Added support for partial linking.
*
* Revision 1.3 1991/02/22 17:14:56 sac
* Added RCS keywords and copyrights
*
*/
/*
* emulate the original gld
*
* 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 gld_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_sparc;
}
static void
gld_after_parse()
{
}
static void
gld_after_allocation()
{
}
static void
gld_before_allocation()
{
}
static void
gld_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 *
gld_choose_target()
{
char *from_outside = getenv(TARGET_ENVIRON);
if (from_outside != (char *)NULL)
return from_outside;
return GLD_TARGET;
}
static void
gld_syslib()
{
info("%S SYSLIB ignored\n");
}
static void
gld_hll(ignore)
char *ignore;
{
info("%S HLL ignored\n");
}
static char *gld_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(0x2000) : \
{ \
*(.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 *gld_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 *gld_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 *gld_get_script()
{
extern ld_config_type config;
if (config.relocateable_output == true &&
config.build_constructors == true) {
return gld_script_option_Ur;
}
if (config.relocateable_output) {
return gld_script_option_r;
}
return gld_script;
}
struct ld_emulation_xfer_struct ld_gld_emulation =
{
gld_before_parse,
gld_syslib,
gld_hll,
gld_after_parse,
gld_after_allocation,
gld_set_output_arch,
gld_choose_target,
gld_before_allocation,
gld_get_script,
};
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