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|
# This shell script emits a C file. -*- C -*-
# It does some substitutions.
cat >e${EMULATION_NAME}.c <<EOF
/* Copyright 1991, 1992, 1994, 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 "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 char *gld960_choose_target PARAMS ((int, char **));
static void gld960_set_output_arch 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/libbout",
(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()
{
bfd_set_arch_mach(output_bfd, ldfile_output_architecture, bfd_mach_i960_core);
}
static char *
gld960_choose_target (argc, argv)
int argc ATTRIBUTE_UNUSED;
char **argv ATTRIBUTE_UNUSED;
{
#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 "b.out.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_gld960_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,
"960",
"",
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
|
