208 lines
5.1 KiB
Plaintext
208 lines
5.1 KiB
Plaintext
# This shell script emits a C file. -*- C -*-
|
|
# It does some substitutions.
|
|
cat >e${EMULATION_NAME}.c <<EOF
|
|
/* Copyright 1991, 1993, 1994, 1996, 1999, 2000, 2001
|
|
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, 59 Temple Place - Suite 330, Boston, MA
|
|
02111-1307, USA. */
|
|
|
|
/*
|
|
* emulate the Intels port of gld
|
|
*/
|
|
|
|
|
|
#include "bfd.h"
|
|
#include "sysdep.h"
|
|
#include "libiberty.h"
|
|
#include "safe-ctype.h"
|
|
#include "bfdlink.h"
|
|
|
|
#include "ld.h"
|
|
#include "ldmisc.h"
|
|
#include "ldmain.h"
|
|
|
|
#include "ldexp.h"
|
|
#include "ldlang.h"
|
|
#include "ldfile.h"
|
|
#include "ldemul.h"
|
|
|
|
static void gld960_before_parse PARAMS ((void));
|
|
static void gld960_set_output_arch PARAMS ((void));
|
|
static char *gld960_choose_target PARAMS ((void));
|
|
static char *gld960_get_script PARAMS ((int *));
|
|
|
|
#ifdef GNU960
|
|
|
|
static void
|
|
gld960_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",
|
|
(const char *) NULL),
|
|
false);
|
|
}
|
|
}
|
|
ldfile_output_architecture = bfd_arch_i960;
|
|
}
|
|
|
|
#else /* not GNU960 */
|
|
|
|
static void gld960_before_parse()
|
|
{
|
|
char *env ;
|
|
env = getenv("G960LIB");
|
|
if (env) {
|
|
ldfile_add_library_path(env, false);
|
|
}
|
|
env = getenv("G960BASE");
|
|
if (env)
|
|
ldfile_add_library_path (concat (env, "/lib", (const char *) NULL),
|
|
false);
|
|
ldfile_output_architecture = bfd_arch_i960;
|
|
}
|
|
|
|
#endif /* GNU960 */
|
|
|
|
|
|
static void
|
|
gld960_set_output_arch()
|
|
{
|
|
if (ldfile_output_machine_name != NULL
|
|
&& *ldfile_output_machine_name != '\0')
|
|
{
|
|
char *s, *s1;
|
|
|
|
s = concat ("i960:", ldfile_output_machine_name, (char *) NULL);
|
|
for (s1 = s; *s1 != '\0'; s1++)
|
|
*s1 = TOLOWER (*s1);
|
|
ldfile_set_output_arch (s);
|
|
free (s);
|
|
}
|
|
|
|
set_output_arch_default ();
|
|
}
|
|
|
|
static char *
|
|
gld960_choose_target()
|
|
{
|
|
#ifdef GNU960
|
|
|
|
output_filename = "b.out";
|
|
return bfd_make_targ_name(BFD_BOUT_FORMAT, 0);
|
|
|
|
#else
|
|
|
|
char *from_outside = getenv(TARGET_ENVIRON);
|
|
output_filename = "b.out";
|
|
|
|
if (from_outside != (char *)NULL)
|
|
return from_outside;
|
|
|
|
return "coff-Intel-little";
|
|
|
|
#endif
|
|
}
|
|
|
|
static char *
|
|
gld960_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_gld960coff_emulation =
|
|
{
|
|
gld960_before_parse,
|
|
syslib_default,
|
|
hll_default,
|
|
after_parse_default,
|
|
after_open_default,
|
|
after_allocation_default,
|
|
gld960_set_output_arch,
|
|
gld960_choose_target,
|
|
before_allocation_default,
|
|
gld960_get_script,
|
|
"960coff",
|
|
"",
|
|
NULL, /* finish */
|
|
NULL, /* create output section statements */
|
|
NULL, /* open dynamic archive */
|
|
NULL, /* place orphan */
|
|
NULL, /* set symbols */
|
|
NULL, /* parse args */
|
|
NULL, /* unrecognized file */
|
|
NULL, /* list options */
|
|
NULL, /* recognized file */
|
|
NULL /* find_potential_libraries */
|
|
};
|
|
EOF
|