mirror of
https://github.com/autc04/Retro68.git
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155 lines
4.2 KiB
Plaintext
155 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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fragment <<EOF
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/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
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This file is part of the GNU Binutils.
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This program 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 3 of the License, or
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(at your option) any later version.
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This program 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 this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* Emulate the Intel's port of gld. */
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#include "sysdep.h"
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#include "bfd.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 (void)
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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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static void
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gld960_set_output_arch (void)
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{
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bfd_set_arch_mach (link_info.output_bfd,
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ldfile_output_architecture, bfd_mach_i960_core);
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}
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static char *
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gld960_choose_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
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{
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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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}
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static char *
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gld960_get_script (int *isfile)
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EOF
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if test x"$COMPILE_IN" = xyes
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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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fragment <<EOF
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{
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*isfile = 0;
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if (bfd_link_relocatable (&link_info) && config.build_constructors)
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return
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EOF
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sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
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echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${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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fragment <<EOF
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{
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*isfile = 1;
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if (bfd_link_relocatable (&link_info) && config.build_constructors)
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return "ldscripts/${EMULATION_NAME}.xu";
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else if (bfd_link_relocatable (&link_info))
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return "ldscripts/${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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fragment <<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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finish_default,
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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, /* add_options */
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NULL, /* handle_option */
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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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NULL /* extra_map_file_text */
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};
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EOF
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