mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-09-10 03:42:22 +08:00
Initial revision
This commit is contained in:
David Henkel-Wallace
321
ld/ld-lnk960.c
Executable file
321
ld/ld-lnk960.c
Executable file
@ -0,0 +1,321 @@
|
||||
/* 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 1991/03/21 21:28:28 gumby
|
||||
Initial revision
|
||||
|
||||
* Revision 1.2 1991/03/15 18:45:55 rich
|
||||
* foo
|
||||
*
|
||||
* Revision 1.1 1991/03/13 00:48:13 chrisb
|
||||
* Initial revision
|
||||
*
|
||||
* Revision 1.6 1991/03/10 09:31:20 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 1.5 1991/03/09 03:23:47 sac
|
||||
* Now looks in G960BASE if I960BASE isn't defined.
|
||||
*
|
||||
* Revision 1.4 1991/03/06 02:23:35 sac
|
||||
* Added support for partial linking.
|
||||
*
|
||||
* Revision 1.3 1991/02/22 17:14:58 sac
|
||||
* Added RCS keywords and copyrights
|
||||
*
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
Written by Steve Chamberlain steve@cygnus.com
|
||||
|
||||
* intel coff loader emulation specific stuff
|
||||
*/
|
||||
|
||||
#include "sysdep.h"
|
||||
#include "bfd.h"
|
||||
|
||||
/*#include "archures.h"*/
|
||||
#include "ld.h"
|
||||
#include "config.h"
|
||||
#include "ld-emul.h"
|
||||
#include "ldmisc.h"
|
||||
#include "ldlang.h"
|
||||
#include "ldfile.h"
|
||||
|
||||
extern boolean lang_float_flag;
|
||||
extern bfd *output_bfd;
|
||||
|
||||
|
||||
|
||||
extern enum bfd_architecture ldfile_output_architecture;
|
||||
extern unsigned long ldfile_output_machine;
|
||||
extern char *ldfile_output_machine_name;
|
||||
|
||||
|
||||
typedef struct lib_list {
|
||||
char *name;
|
||||
struct lib_list *next;
|
||||
} lib_list_type;
|
||||
|
||||
static lib_list_type *hll_list;
|
||||
static lib_list_type **hll_list_tail = &hll_list;
|
||||
|
||||
static lib_list_type *syslib_list;
|
||||
static lib_list_type **syslib_list_tail = &syslib_list;
|
||||
|
||||
|
||||
static void
|
||||
append(list, name)
|
||||
lib_list_type ***list;
|
||||
char *name;
|
||||
{
|
||||
lib_list_type *element =
|
||||
(lib_list_type *)(ldmalloc(sizeof(lib_list_type)));
|
||||
|
||||
element->name = name;
|
||||
element->next = (lib_list_type *)NULL;
|
||||
**list = element;
|
||||
*list = &element->next;
|
||||
|
||||
}
|
||||
|
||||
static boolean had_hll = false;
|
||||
static boolean had_hll_name = false;
|
||||
static void
|
||||
lnk960_hll(name)
|
||||
char *name;
|
||||
{
|
||||
had_hll = true;
|
||||
if (name != (char *)NULL) {
|
||||
had_hll_name = true;
|
||||
append(&hll_list_tail, name);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
lnk960_syslib(name)
|
||||
char *name;
|
||||
{
|
||||
append(&syslib_list_tail,name);
|
||||
}
|
||||
|
||||
|
||||
|
||||
static void
|
||||
lnk960_before_parse()
|
||||
{
|
||||
char *name = getenv("I960BASE");
|
||||
|
||||
if (name == (char *)NULL) {
|
||||
name = getenv("G960BASE");
|
||||
if (name == (char *)NULL) {
|
||||
info("%P%F I960BASE and G960BASE not set\n");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
ldfile_add_library_path(concat(name,"/lib",""));
|
||||
ldfile_output_architecture = bfd_arch_i960;
|
||||
ldfile_output_machine = bfd_mach_i960_core;
|
||||
}
|
||||
|
||||
static void
|
||||
add_on(list, search)
|
||||
lib_list_type *list;
|
||||
lang_input_file_enum_type search;
|
||||
{
|
||||
while (list) {
|
||||
lang_add_input_file(list->name,
|
||||
search,
|
||||
(char *)NULL);
|
||||
list = list->next;
|
||||
}
|
||||
}
|
||||
static void lnk960_after_parse()
|
||||
{
|
||||
|
||||
/* If there has been no arch, default to -KB */
|
||||
if (ldfile_output_machine_name[0] ==0) {
|
||||
ldfile_add_arch("kb");
|
||||
}
|
||||
|
||||
/* if there has been no hll list then add our own */
|
||||
|
||||
if(had_hll && !had_hll_name) {
|
||||
append(&hll_list_tail,"c");
|
||||
if (lang_float_flag == true) {
|
||||
append(&hll_list_tail,"m");
|
||||
}
|
||||
else {
|
||||
append(&hll_list_tail,"mstub");
|
||||
}
|
||||
if (ldfile_output_machine == bfd_mach_i960_ka_sa ||
|
||||
ldfile_output_machine == bfd_mach_i960_ca) {
|
||||
{
|
||||
append(&hll_list_tail,"f");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
add_on(hll_list, lang_input_file_is_l_enum);
|
||||
add_on(syslib_list, lang_input_file_is_search_file_enum);
|
||||
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
lnk960_before_allocation()
|
||||
{
|
||||
}
|
||||
static void
|
||||
lnk960_after_allocation()
|
||||
{
|
||||
lang_abs_symbol_at_end_of(".text","_etext");
|
||||
lang_abs_symbol_at_end_of(".data","_edata");
|
||||
lang_abs_symbol_at_end_of(".bss","_end");
|
||||
}
|
||||
|
||||
static struct
|
||||
{
|
||||
unsigned long number;
|
||||
char *name;
|
||||
}
|
||||
machine_table[] = {
|
||||
bfd_mach_i960_core ,"CORE",
|
||||
bfd_mach_i960_kb_sb ,"KB",
|
||||
bfd_mach_i960_kb_sb ,"SB",
|
||||
bfd_mach_i960_mc ,"MC",
|
||||
bfd_mach_i960_xa ,"XA",
|
||||
bfd_mach_i960_ca ,"CA",
|
||||
bfd_mach_i960_ka_sa ,"KA",
|
||||
bfd_mach_i960_ka_sa ,"SA",
|
||||
|
||||
bfd_mach_i960_core ,"core",
|
||||
bfd_mach_i960_kb_sb ,"kb",
|
||||
bfd_mach_i960_kb_sb ,"sb",
|
||||
bfd_mach_i960_mc ,"mc",
|
||||
bfd_mach_i960_xa ,"xa",
|
||||
bfd_mach_i960_ca ,"ca",
|
||||
bfd_mach_i960_ka_sa ,"ka",
|
||||
bfd_mach_i960_ka_sa ,"sa",
|
||||
0,(char *)NULL
|
||||
};
|
||||
|
||||
static void
|
||||
lnk960_set_output_arch()
|
||||
{
|
||||
/* Set the output architecture and machine if possible */
|
||||
unsigned int i;
|
||||
ldfile_output_machine = bfd_mach_i960_core;
|
||||
for (i= 0; machine_table[i].name != (char*)NULL; i++) {
|
||||
if (strcmp(ldfile_output_machine_name,machine_table[i].name)==0) {
|
||||
ldfile_output_machine = machine_table[i].number;
|
||||
break;
|
||||
}
|
||||
}
|
||||
bfd_set_arch_mach(output_bfd, ldfile_output_architecture, ldfile_output_machine);
|
||||
}
|
||||
|
||||
static char *
|
||||
lnk960_choose_target()
|
||||
{
|
||||
char *from_outside = getenv(TARGET_ENVIRON);
|
||||
if (from_outside != (char *)NULL)
|
||||
return from_outside;
|
||||
return LNK960_TARGET;
|
||||
}
|
||||
|
||||
/* The default script if none is offered */
|
||||
static char *lnk960_script = "\
|
||||
SECTIONS \
|
||||
{ \
|
||||
.text : \
|
||||
{ \
|
||||
*(.text) \
|
||||
} \
|
||||
_etext = .;\
|
||||
.data SIZEOF(.text) + ADDR(.text):\
|
||||
{ \
|
||||
*(.data) \
|
||||
} \
|
||||
_edata = .; \
|
||||
.bss SIZEOF(.data) + ADDR(.data) : \
|
||||
{ \
|
||||
_bss_start = . ;\
|
||||
*(.bss) \
|
||||
[COMMON] \
|
||||
} \
|
||||
_end = . ; \
|
||||
} \
|
||||
";
|
||||
|
||||
static char *lnk960_script_relocateable = "\
|
||||
SECTIONS \
|
||||
{ \
|
||||
.text 0x40000000: \
|
||||
{ \
|
||||
*(.text) \
|
||||
} \
|
||||
.data 0:\
|
||||
{ \
|
||||
*(.data) \
|
||||
} \
|
||||
.bss SIZEOF(.data) + ADDR(.data) : \
|
||||
{ \
|
||||
*(.bss) \
|
||||
[COMMON] \
|
||||
} \
|
||||
} \
|
||||
";
|
||||
|
||||
static char *lnk960_get_script()
|
||||
{
|
||||
extern ld_config_type config;
|
||||
if (config.relocateable_output) {
|
||||
return lnk960_script_relocateable;
|
||||
}
|
||||
return lnk960_script;
|
||||
|
||||
|
||||
}
|
||||
struct ld_emulation_xfer_struct ld_lnk960_emulation =
|
||||
{
|
||||
lnk960_before_parse,
|
||||
lnk960_syslib,
|
||||
lnk960_hll,
|
||||
lnk960_after_parse,
|
||||
lnk960_after_allocation,
|
||||
lnk960_set_output_arch,
|
||||
lnk960_choose_target,
|
||||
lnk960_before_allocation,
|
||||
lnk960_get_script,
|
||||
};
|
||||
Reference in New Issue
Block a user