196 lines
4.8 KiB
Plaintext
196 lines
4.8 KiB
Plaintext
# This shell script emits a C file. -*- C -*-
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# It does some substitutions.
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cat >e${EMULATION_NAME}.c <<EOF
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/* Copyright 1991, 1992, 1994, 1999, 2000, 2001, 2002
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Free Software Foundation, Inc.
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This file is part of GLD, the Gnu Linker.
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GLD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GLD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GLD; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*
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* emulate the Intels port of gld
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*/
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#include "bfd.h"
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#include "sysdep.h"
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#include "libiberty.h"
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#include "bfdlink.h"
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#include "ld.h"
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#include "ldmisc.h"
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#include "ldmain.h"
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#include "ldexp.h"
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#include "ldlang.h"
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#include "ldfile.h"
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#include "ldemul.h"
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static void gld960_before_parse PARAMS ((void));
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static char *gld960_choose_target PARAMS ((int, char **));
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static void gld960_set_output_arch PARAMS ((void));
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static char *gld960_get_script PARAMS ((int *));
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#ifdef GNU960
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static void
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gld960_before_parse()
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{
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static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
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char **p;
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char *env ;
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for ( p = env_variables; *p; p++ ){
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env = (char *) getenv(*p);
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if (env) {
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ldfile_add_library_path (concat (env,
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"/lib/libbout",
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(const char *) NULL),
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FALSE);
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}
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}
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ldfile_output_architecture = bfd_arch_i960;
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}
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#else /* not GNU960 */
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static void gld960_before_parse()
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{
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char *env ;
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env = getenv("G960LIB");
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if (env) {
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ldfile_add_library_path(env, FALSE);
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}
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env = getenv("G960BASE");
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if (env)
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ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), FALSE);
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ldfile_output_architecture = bfd_arch_i960;
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}
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#endif /* GNU960 */
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static void
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gld960_set_output_arch()
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{
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bfd_set_arch_mach(output_bfd, ldfile_output_architecture, bfd_mach_i960_core);
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}
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static char *
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gld960_choose_target (argc, argv)
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int argc ATTRIBUTE_UNUSED;
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char **argv ATTRIBUTE_UNUSED;
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{
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#ifdef GNU960
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output_filename = "b.out";
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return bfd_make_targ_name(BFD_BOUT_FORMAT, 0);
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#else
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char *from_outside = getenv(TARGET_ENVIRON);
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output_filename = "b.out";
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if (from_outside != (char *)NULL)
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return from_outside;
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return "b.out.little";
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#endif
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}
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static char *
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gld960_get_script(isfile)
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int *isfile;
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EOF
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if test -n "$COMPILE_IN"
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then
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# Scripts compiled in.
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# sed commands to quote an ld script as a C string.
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sc="-f stringify.sed"
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cat >>e${EMULATION_NAME}.c <<EOF
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{
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*isfile = 0;
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if (link_info.relocateable && config.build_constructors)
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return
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EOF
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sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
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echo ' ; else if (link_info.relocateable) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
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echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
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echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
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echo ' ; else return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
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echo '; }' >> e${EMULATION_NAME}.c
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else
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# Scripts read from the filesystem.
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cat >>e${EMULATION_NAME}.c <<EOF
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{
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*isfile = 1;
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if (link_info.relocateable && config.build_constructors)
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return "ldscripts/${EMULATION_NAME}.xu";
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else if (link_info.relocateable)
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return "ldscripts/${EMULATION_NAME}.xr";
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else if (!config.text_read_only)
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return "ldscripts/${EMULATION_NAME}.xbn";
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else if (!config.magic_demand_paged)
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return "ldscripts/${EMULATION_NAME}.xn";
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else
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return "ldscripts/${EMULATION_NAME}.x";
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}
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EOF
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fi
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cat >>e${EMULATION_NAME}.c <<EOF
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struct ld_emulation_xfer_struct ld_gld960_emulation =
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{
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gld960_before_parse,
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syslib_default,
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hll_default,
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after_parse_default,
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after_open_default,
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after_allocation_default,
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gld960_set_output_arch,
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gld960_choose_target,
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before_allocation_default,
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gld960_get_script,
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"960",
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"",
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NULL, /* finish */
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NULL, /* create output section statements */
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NULL, /* open dynamic archive */
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NULL, /* place orphan */
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NULL, /* set symbols */
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NULL, /* parse args */
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NULL, /* unrecognized file */
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NULL, /* list options */
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NULL, /* recognized file */
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NULL, /* find_potential_libraries */
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NULL /* new_vers_pattern */
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};
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EOF
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