326 lines
7.5 KiB
Plaintext
326 lines
7.5 KiB
Plaintext
# This shell script emits a C file. -*- C -*-
|
|
# It does some substitutions.
|
|
cat >e${EMULATION_NAME}.c <<EOF
|
|
/* intel coff loader emulation specific stuff
|
|
Copyright (C) 1991, 93, 94, 95, 96, 1999 Free Software Foundation, Inc.
|
|
Written by Steve Chamberlain steve@cygnus.com
|
|
|
|
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 2, 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
#include "libiberty.h"
|
|
#include "bfd.h"
|
|
#include "sysdep.h"
|
|
#include "bfdlink.h"
|
|
|
|
/*#include "archures.h"*/
|
|
#include "ld.h"
|
|
#include "ldemul.h"
|
|
#include "ldmisc.h"
|
|
#include "ldexp.h"
|
|
#include "ldlang.h"
|
|
#include "ldfile.h"
|
|
#include "ldmain.h"
|
|
|
|
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 *)(xmalloc(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);
|
|
}
|
|
|
|
|
|
#ifdef GNU960
|
|
|
|
static void
|
|
lnk960_before_parse()
|
|
{
|
|
static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
|
|
char **p;
|
|
char *env ;
|
|
|
|
for ( p = env_variables; *p; p++ ){
|
|
env = (char *) getenv(*p);
|
|
if (env) {
|
|
ldfile_add_library_path(concat(env,"/lib/libcoff",""), false);
|
|
}
|
|
}
|
|
|
|
env= (char *) getenv("I960BASE");
|
|
if ( env ) {
|
|
ldfile_add_library_path(concat(env,"/lib",""), false);
|
|
}
|
|
|
|
ldfile_output_architecture = bfd_arch_i960;
|
|
ldfile_output_machine = bfd_mach_i960_core;
|
|
}
|
|
|
|
#else /* not GNU960 */
|
|
|
|
static void
|
|
lnk960_before_parse()
|
|
{
|
|
char *name = getenv("I960BASE");
|
|
|
|
if (name == (char *)NULL) {
|
|
name = getenv("G960BASE");
|
|
if (name == (char *)NULL) {
|
|
einfo("%P%F I960BASE and G960BASE not set\n");
|
|
}
|
|
}
|
|
|
|
|
|
ldfile_add_library_path(concat(name,"/lib",""), false);
|
|
ldfile_output_architecture = bfd_arch_i960;
|
|
ldfile_output_machine = bfd_mach_i960_core;
|
|
}
|
|
|
|
#endif /* GNU960 */
|
|
|
|
|
|
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,"cg");
|
|
if (ldfile_output_machine == bfd_mach_i960_ka_sa ||
|
|
ldfile_output_machine == bfd_mach_i960_ca) {
|
|
{
|
|
append(&hll_list_tail,"fpg");
|
|
}
|
|
}
|
|
}
|
|
|
|
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()
|
|
{
|
|
if (link_info.relocateable == false) {
|
|
lang_abs_symbol_at_end_of(".text","_etext");
|
|
lang_abs_symbol_at_end_of(".data","_edata");
|
|
lang_abs_symbol_at_beginning_of(".bss","_bss_start");
|
|
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_jx ,"JX" },
|
|
{ bfd_mach_i960_hx ,"HX" },
|
|
|
|
{ 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_jx ,"jx" },
|
|
{ bfd_mach_i960_hx ,"hx" },
|
|
|
|
{ 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()
|
|
{
|
|
#ifdef GNU960
|
|
|
|
return bfd_make_targ_name(BFD_COFF_FORMAT, 0);
|
|
|
|
#else
|
|
|
|
char *from_outside = getenv(TARGET_ENVIRON);
|
|
if (from_outside != (char *)NULL)
|
|
return from_outside;
|
|
#ifdef LNK960_LITTLE
|
|
return "coff-Intel-little";
|
|
#else
|
|
return "coff-Intel-big";
|
|
#endif
|
|
#endif
|
|
|
|
}
|
|
|
|
static char *
|
|
lnk960_get_script(isfile)
|
|
int *isfile;
|
|
EOF
|
|
|
|
if test -n "$COMPILE_IN"
|
|
then
|
|
# Scripts compiled in.
|
|
|
|
# sed commands to quote an ld script as a C string.
|
|
sc="-f stringify.sed"
|
|
|
|
cat >>e${EMULATION_NAME}.c <<EOF
|
|
{
|
|
*isfile = 0;
|
|
|
|
if (link_info.relocateable == true && config.build_constructors == true)
|
|
return
|
|
EOF
|
|
sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
|
|
echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
|
|
echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
|
|
echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
|
|
echo ' ; else return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
|
|
echo '; }' >> e${EMULATION_NAME}.c
|
|
|
|
else
|
|
# Scripts read from the filesystem.
|
|
|
|
cat >>e${EMULATION_NAME}.c <<EOF
|
|
{
|
|
*isfile = 1;
|
|
|
|
if (link_info.relocateable == true && config.build_constructors == true)
|
|
return "ldscripts/${EMULATION_NAME}.xu";
|
|
else if (link_info.relocateable == true)
|
|
return "ldscripts/${EMULATION_NAME}.xr";
|
|
else if (!config.text_read_only)
|
|
return "ldscripts/${EMULATION_NAME}.xbn";
|
|
else if (!config.magic_demand_paged)
|
|
return "ldscripts/${EMULATION_NAME}.xn";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.x";
|
|
}
|
|
EOF
|
|
|
|
fi
|
|
|
|
cat >>e${EMULATION_NAME}.c <<EOF
|
|
|
|
struct ld_emulation_xfer_struct ld_lnk960_emulation =
|
|
{
|
|
lnk960_before_parse,
|
|
lnk960_syslib,
|
|
lnk960_hll,
|
|
lnk960_after_parse,
|
|
NULL, /* after_open */
|
|
lnk960_after_allocation,
|
|
lnk960_set_output_arch,
|
|
lnk960_choose_target,
|
|
lnk960_before_allocation,
|
|
lnk960_get_script,
|
|
"lnk960",
|
|
""
|
|
};
|
|
EOF
|