193 lines
4.2 KiB
Plaintext
193 lines
4.2 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 (C) 1991, 1993, 1994, 1995, 1996 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 the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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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 <ctype.h>
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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 "ldemul.h"
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#include "ldfile.h"
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#include "ldmisc.h"
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#include "ldmain.h"
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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/libcoff",
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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),
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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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if (ldfile_output_machine_name != NULL
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&& *ldfile_output_machine_name != '\0')
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{
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char *s, *s1;
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s = concat ("i960:", ldfile_output_machine_name, (char *) NULL);
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for (s1 = s; *s1 != '\0'; s1++)
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if (isupper ((unsigned char) *s1))
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*s1 = tolower ((unsigned char) *s1);
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ldfile_set_output_arch (s);
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free (s);
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}
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set_output_arch_default ();
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}
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static char *
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gld960_choose_target()
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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 "coff-Intel-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='s/["\\]/\\&/g
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s/$/\\n\\/
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1s/^/"/
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$s/$/n"/
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'
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cat >>e${EMULATION_NAME}.c <<EOF
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{
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*isfile = 0;
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if (link_info.relocateable == true && config.build_constructors == true)
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return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
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else if (link_info.relocateable == true)
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return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
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else if (!config.text_read_only)
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return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
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else if (!config.magic_demand_paged)
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return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
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else
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return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
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}
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EOF
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else
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# Scripts read from the filesystem.
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cat >>e${EMULATION_NAME}.c <<EOF
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{
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*isfile = 1;
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if (link_info.relocateable == true && config.build_constructors == true)
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return "ldscripts/${EMULATION_NAME}.xu";
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else if (link_info.relocateable == true)
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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_gld960coff_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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"960coff",
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""
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};
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EOF
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