mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-05 08:14:19 +08:00
3eb33b8875
There are 2 problems with --fatal-warnings for unknown command-line
options:
1. --fatal-warnings doesn't trigger an error for an unknown command-line
option when --fatal-warnings is the last command-line option.
2. When --fatal-warnings triggers an error for an unknown command-line
option, the message says that the unknown command-line option is ignored.
This patch queues unknown command-line option warnings and outputs queued
command-line option warnings after all command-line options have been
processed so that --fatal-warnings can work for unknown command-line
options regardless of the order of --fatal-warnings.
When --fatal-warnings is used, the linker message is changed from
ld: warning: -z bad-option ignored
to
ld: error: unsupported option: -z bad-option
The above also applies to "-z dynamic-undefined-weak" when the known
"-z dynamic-undefined-weak" option is ignored.
PR ld/31289
* ldelf.c (ldelf_after_parse): Use queue_unknown_cmdline_warning
to warn the ignored -z dynamic-undefined-weak option.
* ldmain.c (main): Call output_unknown_cmdline_warnings after
calling ldemul_after_parse.
* ldmisc.c (CMDLINE_WARNING_SIZE): New.
(cmdline_warning_list): Likewise.
(cmdline_warning_head): Likewise.
(cmdline_warning_tail): Likewise.
(queue_unknown_cmdline_warning): Likewise.
(output_unknown_cmdline_warnings): Likewise.
* ldmisc.h (queue_unknown_cmdline_warning): Likewise.
(output_unknown_cmdline_warnings): Likewise.
* emultempl/elf.em (gld${EMULATION_NAME}_handle_option): Use
queue_unknown_cmdline_warning to warn unknown -z option.
* testsuite/ld-elf/fatal-warnings-1a.d: New file.
* testsuite/ld-elf/fatal-warnings-1b.d: Likewise.
* testsuite/ld-elf/fatal-warnings-2a.d: Likewise.
* testsuite/ld-elf/fatal-warnings-2b.d: Likewise.
* testsuite/ld-elf/fatal-warnings-3a.d: Likewise.
* testsuite/ld-elf/fatal-warnings-3b.d: Likewise.
* testsuite/ld-elf/fatal-warnings-4a.d: Likewise.
* testsuite/ld-elf/fatal-warnings-4b.d: Likewise.
939 lines
31 KiB
Plaintext
939 lines
31 KiB
Plaintext
# This shell script emits a C file. -*- C -*-
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# It does some substitutions.
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test -z "${ELFSIZE}" && ELFSIZE=32
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if [ -z "$MACHINE" ]; then
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OUTPUT_ARCH=${ARCH}
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else
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OUTPUT_ARCH=${ARCH}:${MACHINE}
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fi
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fragment <<EOF
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/* This file is is generated by a shell script. DO NOT EDIT! */
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/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
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Copyright (C) 1991-2024 Free Software Foundation, Inc.
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Written by Steve Chamberlain <sac@cygnus.com>
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ELF support by Ian Lance Taylor <ian@cygnus.com>
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This file is part of the GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#define TARGET_IS_${EMULATION_NAME}
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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 "getopt.h"
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#include "bfdlink.h"
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#include "ctf-api.h"
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#include "ld.h"
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#include "ldmain.h"
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#include "ldmisc.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 "ldlex.h"
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#include "ldemul.h"
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#include <ldgram.h>
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#include "elf-bfd.h"
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#include "ldelf.h"
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#include "ldelfgen.h"
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/* Declare functions used by various EXTRA_EM_FILEs. */
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static void gld${EMULATION_NAME}_before_parse (void);
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static void gld${EMULATION_NAME}_before_plugin_all_symbols_read
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(void);
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static void gld${EMULATION_NAME}_after_open (void);
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static void gld${EMULATION_NAME}_before_allocation (void);
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static void gld${EMULATION_NAME}_after_allocation (void);
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EOF
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# Import any needed special functions and/or overrides.
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#
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source_em ${srcdir}/emultempl/elf-generic.em
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if test -n "$EXTRA_EM_FILE" ; then
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source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
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fi
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# Functions in this file can be overridden by setting the LDEMUL_* shell
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# variables. If the name of the overriding function is the same as is
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# defined in this file, then don't output this file's version.
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# If a different overriding name is given then output the standard function
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# as presumably it is called from the overriding function.
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#
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if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
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fragment <<EOF
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static void
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gld${EMULATION_NAME}_before_parse (void)
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{
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ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
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input_flags.dynamic = ${DYNAMIC_LINK-true};
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config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo true ; else echo false ; fi`;
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config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo true ; else echo false ; fi`;
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link_info.check_relocs_after_open_input = true;
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EOF
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if test -n "$COMMONPAGESIZE"; then
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fragment <<EOF
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link_info.relro = DEFAULT_LD_Z_RELRO;
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EOF
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fi
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fragment <<EOF
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link_info.separate_code = DEFAULT_LD_Z_SEPARATE_CODE;
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link_info.warn_execstack = DEFAULT_LD_WARN_EXECSTACK;
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link_info.no_warn_rwx_segments = ! DEFAULT_LD_WARN_RWX_SEGMENTS;
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link_info.default_execstack = DEFAULT_LD_EXECSTACK;
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link_info.error_execstack = DEFAULT_LD_ERROR_EXECSTACK;
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link_info.warn_is_error_for_rwx_segments = DEFAULT_LD_ERROR_RWX_SEGMENTS;
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}
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EOF
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fi
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fragment <<EOF
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/* These variables are used to implement target options */
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static char *audit; /* colon (typically) separated list of libs */
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static char *depaudit; /* colon (typically) separated list of libs */
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EOF
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if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
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IS_LINUX_TARGET=false
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IS_FREEBSD_TARGET=false
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case ${target} in
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*-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
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IS_LINUX_TARGET=true ;;
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*-*-freebsd* | *-*-dragonfly*)
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IS_FREEBSD_TARGET=true ;;
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esac
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IS_LIBPATH=false
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if test "x${USE_LIBPATH}" = xyes; then
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IS_LIBPATH=true
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fi
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IS_NATIVE=false
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if test "x${NATIVE}" = xyes; then
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IS_NATIVE=true
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fi
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fragment <<EOF
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/* This is called before calling plugin 'all symbols read' hook. */
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static void
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gld${EMULATION_NAME}_before_plugin_all_symbols_read (void)
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{
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ldelf_before_plugin_all_symbols_read ($IS_LIBPATH, $IS_NATIVE,
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$IS_LINUX_TARGET,
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$IS_FREEBSD_TARGET,
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$ELFSIZE, "$prefix");
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}
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/* This is called after all the input files have been opened. */
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static void
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gld${EMULATION_NAME}_after_open (void)
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{
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ldelf_after_open ($IS_LIBPATH, $IS_NATIVE,
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$IS_LINUX_TARGET, $IS_FREEBSD_TARGET, $ELFSIZE, "$prefix");
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}
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EOF
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fi
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if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
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if test x"${ELF_INTERPRETER_NAME}" = x; then
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ELF_INTERPRETER_NAME=NULL
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fi
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fragment <<EOF
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/* This is called after the sections have been attached to output
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sections, but before any sizes or addresses have been set. */
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static void
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gld${EMULATION_NAME}_before_allocation (void)
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{
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ldelf_before_allocation (audit, depaudit, ${ELF_INTERPRETER_NAME});
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}
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EOF
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fi
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if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then
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fragment <<EOF
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static void
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gld${EMULATION_NAME}_after_allocation (void)
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{
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int need_layout = bfd_elf_discard_info (link_info.output_bfd, &link_info);
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if (need_layout < 0)
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einfo (_("%X%P: .eh_frame/.stab edit: %E\n"));
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else
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ldelf_map_segments (need_layout);
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}
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EOF
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fi
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if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
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fragment <<EOF
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static char *
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gld${EMULATION_NAME}_get_script (int *isfile)
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EOF
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if test x"$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 ${srcdir}/emultempl/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${EMULATION_NAME}.c
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if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
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echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
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fi
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if test -n "$GENERATE_PIE_SCRIPT" ; then
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if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
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echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
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echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
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echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xdwe >> e${EMULATION_NAME}.c
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echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
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echo ' && link_info.relro' >> e${EMULATION_NAME}.c
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echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c
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if test -n "$GENERATE_RELRO_SCRIPT" ; then
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echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
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echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
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echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xdceo >> e${EMULATION_NAME}.c
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fi
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echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
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echo ' && link_info.combreloc) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xdce >> e${EMULATION_NAME}.c
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if test -n "$GENERATE_RELRO_SCRIPT" ; then
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echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
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echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xdco >> e${EMULATION_NAME}.c
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fi
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echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.combreloc) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c
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if test -n "$GENERATE_RELRO_SCRIPT" ; then
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echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
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echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xdeo >> e${EMULATION_NAME}.c
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fi
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fi
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echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.separate_code) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xde >> e${EMULATION_NAME}.c
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if test -n "$GENERATE_RELRO_SCRIPT" ; then
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echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xdo >> e${EMULATION_NAME}.c
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fi
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echo ' ; else if (bfd_link_pie (&link_info)) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c
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fi
|
|
if test -n "$GENERATE_SHLIB_SCRIPT" ; then
|
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if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
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echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
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echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
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echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xswe >> e${EMULATION_NAME}.c
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echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
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echo ' && link_info.relro' >> e${EMULATION_NAME}.c
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echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
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echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
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echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xsceo >> e${EMULATION_NAME}.c
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fi
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echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
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|
echo ' && link_info.separate_code) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xsce >> e${EMULATION_NAME}.c
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
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|
echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
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echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xsco >> e${EMULATION_NAME}.c
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fi
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|
echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
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echo ' && link_info.combreloc) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xseo >> e${EMULATION_NAME}.c
|
|
fi
|
|
fi
|
|
echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.separate_code) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xse >> e${EMULATION_NAME}.c
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xso >> e${EMULATION_NAME}.c
|
|
fi
|
|
echo ' ; else if (bfd_link_dll (&link_info)) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
|
|
fi
|
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
|
echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
|
|
echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xwe >> e${EMULATION_NAME}.c
|
|
echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.relro' >> e${EMULATION_NAME}.c
|
|
echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xceo >> e${EMULATION_NAME}.c
|
|
fi
|
|
echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.separate_code) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xce >> e${EMULATION_NAME}.c
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xco >> e${EMULATION_NAME}.c
|
|
fi
|
|
echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c
|
|
fi
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
echo ' ; else if (link_info.separate_code' >> e${EMULATION_NAME}.c
|
|
echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xeo >> e${EMULATION_NAME}.c
|
|
fi
|
|
echo ' ; else if (link_info.separate_code) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xe >> e${EMULATION_NAME}.c
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
echo ' ; else if (link_info.relro) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xo >> e${EMULATION_NAME}.c
|
|
fi
|
|
echo ' ; else return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
|
|
echo '; }' >> e${EMULATION_NAME}.c
|
|
|
|
else
|
|
# Scripts read from the filesystem.
|
|
|
|
fragment <<EOF
|
|
{
|
|
*isfile = 1;
|
|
|
|
if (bfd_link_relocatable (&link_info) && config.build_constructors)
|
|
return "ldscripts/${EMULATION_NAME}.xu";
|
|
else if (bfd_link_relocatable (&link_info))
|
|
return "ldscripts/${EMULATION_NAME}.xr";
|
|
else if (!config.text_read_only)
|
|
return "ldscripts/${EMULATION_NAME}.xbn";
|
|
EOF
|
|
if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then :
|
|
else
|
|
fragment <<EOF
|
|
else if (!config.magic_demand_paged)
|
|
return "ldscripts/${EMULATION_NAME}.xn";
|
|
EOF
|
|
fi
|
|
if test -n "$GENERATE_PIE_SCRIPT" ; then
|
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
|
fragment <<EOF
|
|
else if (bfd_link_pie (&link_info)
|
|
&& link_info.combreloc
|
|
&& link_info.relro
|
|
&& (link_info.flags & DF_BIND_NOW))
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xdwe";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xdw";
|
|
}
|
|
EOF
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
fragment <<EOF
|
|
else if (bfd_link_pie (&link_info)
|
|
&& link_info.combreloc
|
|
&& link_info.relro)
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xdceo";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xdco";
|
|
}
|
|
EOF
|
|
fi
|
|
fragment <<EOF
|
|
else if (bfd_link_pie (&link_info)
|
|
&& link_info.combreloc)
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xdce";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xdc";
|
|
}
|
|
EOF
|
|
fi
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
fragment <<EOF
|
|
else if (bfd_link_pie (&link_info)
|
|
&& link_info.relro)
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xdeo";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xdo";
|
|
}
|
|
EOF
|
|
fi
|
|
fragment <<EOF
|
|
else if (bfd_link_pie (&link_info))
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xde";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xd";
|
|
}
|
|
EOF
|
|
fi
|
|
if test -n "$GENERATE_SHLIB_SCRIPT" ; then
|
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
|
fragment <<EOF
|
|
else if (bfd_link_dll (&link_info) && link_info.combreloc
|
|
&& link_info.relro && (link_info.flags & DF_BIND_NOW))
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xswe";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xsw";
|
|
}
|
|
EOF
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
fragment <<EOF
|
|
else if (bfd_link_dll (&link_info)
|
|
&& link_info.combreloc
|
|
&& link_info.relro)
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xsceo";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xsco";
|
|
}
|
|
EOF
|
|
fi
|
|
fragment <<EOF
|
|
else if (bfd_link_dll (&link_info) && link_info.combreloc)
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xsce";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xsc";
|
|
}
|
|
EOF
|
|
fi
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
fragment <<EOF
|
|
else if (bfd_link_dll (&link_info)
|
|
&& link_info.relro)
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xseo";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xso";
|
|
}
|
|
EOF
|
|
fi
|
|
fragment <<EOF
|
|
else if (bfd_link_dll (&link_info))
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xse";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xs";
|
|
}
|
|
EOF
|
|
fi
|
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
|
fragment <<EOF
|
|
else if (link_info.combreloc && link_info.relro
|
|
&& (link_info.flags & DF_BIND_NOW))
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xwe";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xw";
|
|
}
|
|
EOF
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
fragment <<EOF
|
|
else if (link_info.combreloc
|
|
&& link_info.relro)
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xceo";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xco";
|
|
}
|
|
EOF
|
|
fi
|
|
fragment <<EOF
|
|
else if (link_info.combreloc)
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xce";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xc";
|
|
}
|
|
EOF
|
|
fi
|
|
if test -n "$GENERATE_RELRO_SCRIPT" ; then
|
|
fragment <<EOF
|
|
else if (link_info.relro)
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xeo";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.xo";
|
|
}
|
|
EOF
|
|
fi
|
|
fragment <<EOF
|
|
else
|
|
{
|
|
if (link_info.separate_code)
|
|
return "ldscripts/${EMULATION_NAME}.xe";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.x";
|
|
}
|
|
}
|
|
|
|
EOF
|
|
fi
|
|
fi
|
|
|
|
fragment <<EOF
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_add_options
|
|
(int ns, char **shortopts, int nl, struct option **longopts,
|
|
int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
|
|
{
|
|
EOF
|
|
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
|
fragment <<EOF
|
|
static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:";
|
|
EOF
|
|
else
|
|
fragment <<EOF
|
|
static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:";
|
|
EOF
|
|
fi
|
|
fragment <<EOF
|
|
static const struct option xtra_long[] = {
|
|
EOF
|
|
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
|
fragment <<EOF
|
|
{"audit", required_argument, NULL, OPTION_AUDIT},
|
|
{"Bgroup", no_argument, NULL, OPTION_GROUP},
|
|
EOF
|
|
fi
|
|
fragment <<EOF
|
|
{"build-id", optional_argument, NULL, OPTION_BUILD_ID},
|
|
{"package-metadata", optional_argument, NULL, OPTION_PACKAGE_METADATA},
|
|
{"compress-debug-sections", required_argument, NULL, OPTION_COMPRESS_DEBUG},
|
|
EOF
|
|
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
|
fragment <<EOF
|
|
{"depaudit", required_argument, NULL, 'P'},
|
|
{"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
|
|
{"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
|
|
{"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
|
|
{"no-eh-frame-hdr", no_argument, NULL, OPTION_NO_EH_FRAME_HDR},
|
|
{"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
|
|
{"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
|
|
EOF
|
|
fi
|
|
if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
|
|
fragment <<EOF
|
|
$PARSE_AND_LIST_LONGOPTS
|
|
EOF
|
|
fi
|
|
fragment <<EOF
|
|
{NULL, no_argument, NULL, 0}
|
|
};
|
|
|
|
*shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
|
|
memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
|
|
*longopts = (struct option *)
|
|
xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
|
|
memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
|
|
}
|
|
|
|
#define DEFAULT_BUILD_ID_STYLE "sha1"
|
|
|
|
static bool
|
|
gld${EMULATION_NAME}_handle_option (int optc)
|
|
{
|
|
switch (optc)
|
|
{
|
|
default:
|
|
return false;
|
|
|
|
case OPTION_BUILD_ID:
|
|
free ((char *) ldelf_emit_note_gnu_build_id);
|
|
ldelf_emit_note_gnu_build_id = NULL;
|
|
if (optarg == NULL)
|
|
optarg = DEFAULT_BUILD_ID_STYLE;
|
|
if (strcmp (optarg, "none"))
|
|
ldelf_emit_note_gnu_build_id = xstrdup (optarg);
|
|
break;
|
|
|
|
case OPTION_PACKAGE_METADATA:
|
|
free ((char *) ldelf_emit_note_fdo_package_metadata);
|
|
ldelf_emit_note_fdo_package_metadata = NULL;
|
|
if (optarg != NULL && strlen(optarg) > 0)
|
|
ldelf_emit_note_fdo_package_metadata = xstrdup (optarg);
|
|
break;
|
|
|
|
case OPTION_COMPRESS_DEBUG:
|
|
config.compress_debug = bfd_get_compression_algorithm (optarg);
|
|
if (strcasecmp (optarg, "zstd") == 0)
|
|
{
|
|
#ifndef HAVE_ZSTD
|
|
if (config.compress_debug == COMPRESS_DEBUG_ZSTD)
|
|
einfo (_ ("%F%P: --compress-debug-sections=zstd: ld is not built "
|
|
"with zstd support\n"));
|
|
#endif
|
|
}
|
|
if (config.compress_debug == COMPRESS_UNKNOWN)
|
|
einfo (_("%F%P: invalid --compress-debug-sections option: \`%s'\n"),
|
|
optarg);
|
|
break;
|
|
EOF
|
|
|
|
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
|
fragment <<EOF
|
|
case OPTION_AUDIT:
|
|
ldelf_append_to_separated_string (&audit, optarg);
|
|
break;
|
|
|
|
case 'P':
|
|
ldelf_append_to_separated_string (&depaudit, optarg);
|
|
break;
|
|
|
|
case OPTION_DISABLE_NEW_DTAGS:
|
|
link_info.new_dtags = false;
|
|
break;
|
|
|
|
case OPTION_ENABLE_NEW_DTAGS:
|
|
link_info.new_dtags = true;
|
|
break;
|
|
|
|
case OPTION_EH_FRAME_HDR:
|
|
link_info.eh_frame_hdr_type = DWARF2_EH_HDR;
|
|
break;
|
|
|
|
case OPTION_NO_EH_FRAME_HDR:
|
|
link_info.eh_frame_hdr_type = 0;
|
|
break;
|
|
|
|
case OPTION_GROUP:
|
|
link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
|
|
/* Groups must be self-contained. */
|
|
link_info.unresolved_syms_in_objects = RM_DIAGNOSE;
|
|
link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE;
|
|
break;
|
|
|
|
case OPTION_EXCLUDE_LIBS:
|
|
add_excluded_libs (optarg);
|
|
break;
|
|
|
|
case OPTION_HASH_STYLE:
|
|
link_info.emit_hash = false;
|
|
link_info.emit_gnu_hash = false;
|
|
if (strcmp (optarg, "sysv") == 0)
|
|
link_info.emit_hash = true;
|
|
else if (strcmp (optarg, "gnu") == 0)
|
|
link_info.emit_gnu_hash = true;
|
|
else if (strcmp (optarg, "both") == 0)
|
|
{
|
|
link_info.emit_hash = true;
|
|
link_info.emit_gnu_hash = true;
|
|
}
|
|
else
|
|
einfo (_("%F%P: invalid hash style \`%s'\n"), optarg);
|
|
break;
|
|
|
|
EOF
|
|
fi
|
|
fragment <<EOF
|
|
case 'z':
|
|
if (strcmp (optarg, "defs") == 0)
|
|
link_info.unresolved_syms_in_objects = RM_DIAGNOSE;
|
|
else if (strcmp (optarg, "undefs") == 0)
|
|
link_info.unresolved_syms_in_objects = RM_IGNORE;
|
|
else if (strcmp (optarg, "muldefs") == 0)
|
|
link_info.allow_multiple_definition = true;
|
|
else if (startswith (optarg, "max-page-size="))
|
|
{
|
|
char *end;
|
|
|
|
link_info.maxpagesize = strtoul (optarg + 14, &end, 0);
|
|
if (*end
|
|
|| (link_info.maxpagesize & (link_info.maxpagesize - 1)) != 0)
|
|
einfo (_("%F%P: invalid maximum page size \`%s'\n"),
|
|
optarg + 14);
|
|
link_info.maxpagesize_is_set = true;
|
|
}
|
|
else if (startswith (optarg, "common-page-size="))
|
|
{
|
|
char *end;
|
|
link_info.commonpagesize = strtoul (optarg + 17, &end, 0);
|
|
if (*end
|
|
|| (link_info.commonpagesize & (link_info.commonpagesize - 1)) != 0)
|
|
einfo (_("%F%P: invalid common page size \`%s'\n"),
|
|
optarg + 17);
|
|
link_info.commonpagesize_is_set = true;
|
|
}
|
|
else if (startswith (optarg, "stack-size="))
|
|
{
|
|
char *end;
|
|
link_info.stacksize = strtoul (optarg + 11, &end, 0);
|
|
if (*end || link_info.stacksize < 0)
|
|
einfo (_("%F%P: invalid stack size \`%s'\n"), optarg + 11);
|
|
if (!link_info.stacksize)
|
|
/* Use -1 for explicit no-stack, because zero means
|
|
'default'. */
|
|
link_info.stacksize = -1;
|
|
}
|
|
else if (strcmp (optarg, "execstack") == 0)
|
|
{
|
|
link_info.execstack = true;
|
|
link_info.noexecstack = false;
|
|
}
|
|
else if (strcmp (optarg, "noexecstack") == 0)
|
|
{
|
|
link_info.noexecstack = true;
|
|
link_info.execstack = false;
|
|
}
|
|
else if (strcmp (optarg, "unique-symbol") == 0)
|
|
link_info.unique_symbol = true;
|
|
else if (strcmp (optarg, "nounique-symbol") == 0)
|
|
link_info.unique_symbol = false;
|
|
else if (strcmp (optarg, "globalaudit") == 0)
|
|
{
|
|
link_info.flags_1 |= DF_1_GLOBAUDIT;
|
|
}
|
|
else if (startswith (optarg, "start-stop-gc"))
|
|
link_info.start_stop_gc = true;
|
|
else if (startswith (optarg, "nostart-stop-gc"))
|
|
link_info.start_stop_gc = false;
|
|
else if (startswith (optarg, "start-stop-visibility="))
|
|
{
|
|
if (strcmp (optarg, "start-stop-visibility=default") == 0)
|
|
link_info.start_stop_visibility = STV_DEFAULT;
|
|
else if (strcmp (optarg, "start-stop-visibility=internal") == 0)
|
|
link_info.start_stop_visibility = STV_INTERNAL;
|
|
else if (strcmp (optarg, "start-stop-visibility=hidden") == 0)
|
|
link_info.start_stop_visibility = STV_HIDDEN;
|
|
else if (strcmp (optarg, "start-stop-visibility=protected") == 0)
|
|
link_info.start_stop_visibility = STV_PROTECTED;
|
|
else
|
|
einfo (_("%F%P: invalid visibility in \`-z %s'; "
|
|
"must be default, internal, hidden, or protected"),
|
|
optarg);
|
|
}
|
|
else if (strcmp (optarg, "sectionheader") == 0)
|
|
config.no_section_header = false;
|
|
else if (strcmp (optarg, "nosectionheader") == 0)
|
|
config.no_section_header = true;
|
|
EOF
|
|
|
|
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
|
fragment <<EOF
|
|
else if (strcmp (optarg, "global") == 0)
|
|
link_info.flags_1 |= (bfd_vma) DF_1_GLOBAL;
|
|
else if (strcmp (optarg, "initfirst") == 0)
|
|
link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
|
|
else if (strcmp (optarg, "interpose") == 0)
|
|
link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
|
|
else if (strcmp (optarg, "loadfltr") == 0)
|
|
link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
|
|
else if (strcmp (optarg, "nodefaultlib") == 0)
|
|
link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
|
|
else if (strcmp (optarg, "nodelete") == 0)
|
|
link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
|
|
else if (strcmp (optarg, "nodlopen") == 0)
|
|
link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
|
|
else if (strcmp (optarg, "nodump") == 0)
|
|
link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
|
|
else if (strcmp (optarg, "now") == 0)
|
|
{
|
|
link_info.flags |= (bfd_vma) DF_BIND_NOW;
|
|
link_info.flags_1 |= (bfd_vma) DF_1_NOW;
|
|
}
|
|
else if (strcmp (optarg, "lazy") == 0)
|
|
{
|
|
link_info.flags &= ~(bfd_vma) DF_BIND_NOW;
|
|
link_info.flags_1 &= ~(bfd_vma) DF_1_NOW;
|
|
}
|
|
else if (strcmp (optarg, "origin") == 0)
|
|
{
|
|
link_info.flags |= (bfd_vma) DF_ORIGIN;
|
|
link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
|
|
}
|
|
else if (strcmp (optarg, "unique") == 0)
|
|
link_info.gnu_flags_1 |= (bfd_vma) DF_GNU_1_UNIQUE;
|
|
else if (strcmp (optarg, "nounique") == 0)
|
|
link_info.gnu_flags_1 &= ~(bfd_vma) DF_GNU_1_UNIQUE;
|
|
else if (strcmp (optarg, "combreloc") == 0)
|
|
link_info.combreloc = true;
|
|
else if (strcmp (optarg, "nocombreloc") == 0)
|
|
link_info.combreloc = false;
|
|
else if (strcmp (optarg, "nocopyreloc") == 0)
|
|
link_info.nocopyreloc = true;
|
|
EOF
|
|
if test -n "$COMMONPAGESIZE"; then
|
|
fragment <<EOF
|
|
else if (strcmp (optarg, "relro") == 0)
|
|
link_info.relro = true;
|
|
else if (strcmp (optarg, "norelro") == 0)
|
|
link_info.relro = false;
|
|
EOF
|
|
fi
|
|
fragment <<EOF
|
|
else if (strcmp (optarg, "separate-code") == 0)
|
|
link_info.separate_code = true;
|
|
else if (strcmp (optarg, "noseparate-code") == 0)
|
|
link_info.separate_code = false;
|
|
else if (strcmp (optarg, "common") == 0)
|
|
link_info.elf_stt_common = elf_stt_common;
|
|
else if (strcmp (optarg, "nocommon") == 0)
|
|
link_info.elf_stt_common = no_elf_stt_common;
|
|
else if (strcmp (optarg, "text") == 0)
|
|
link_info.textrel_check = textrel_check_error;
|
|
else if (strcmp (optarg, "notext") == 0)
|
|
link_info.textrel_check = textrel_check_none;
|
|
else if (strcmp (optarg, "textoff") == 0)
|
|
link_info.textrel_check = textrel_check_none;
|
|
EOF
|
|
fi
|
|
|
|
if test -n "$PARSE_AND_LIST_ARGS_CASE_Z" ; then
|
|
fragment <<EOF
|
|
$PARSE_AND_LIST_ARGS_CASE_Z
|
|
EOF
|
|
fi
|
|
|
|
fragment <<EOF
|
|
else
|
|
queue_unknown_cmdline_warning ("-z %s", optarg);
|
|
break;
|
|
EOF
|
|
|
|
if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
|
|
fragment <<EOF
|
|
$PARSE_AND_LIST_ARGS_CASES
|
|
EOF
|
|
fi
|
|
|
|
fragment <<EOF
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
EOF
|
|
|
|
if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
|
|
gld_list_options="gld${EMULATION_NAME}_list_options"
|
|
if test -n "$PARSE_AND_LIST_OPTIONS"; then
|
|
fragment <<EOF
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_list_options (FILE * file)
|
|
{
|
|
EOF
|
|
|
|
if test -n "$PARSE_AND_LIST_OPTIONS" ; then
|
|
fragment <<EOF
|
|
$PARSE_AND_LIST_OPTIONS
|
|
EOF
|
|
fi
|
|
|
|
fragment <<EOF
|
|
}
|
|
EOF
|
|
else
|
|
gld_list_options="NULL"
|
|
fi
|
|
|
|
if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
|
|
fragment <<EOF
|
|
$PARSE_AND_LIST_EPILOGUE
|
|
EOF
|
|
fi
|
|
fi
|
|
|
|
LDEMUL_AFTER_PARSE=${LDEMUL_AFTER_PARSE-ldelf_after_parse}
|
|
LDEMUL_BEFORE_PLUGIN_ALL_SYMBOLS_READ=${LDEMUL_BEFORE_PLUGIN_ALL_SYMBOLS_READ-gld${EMULATION_NAME}_before_plugin_all_symbols_read}
|
|
LDEMUL_AFTER_OPEN=${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}
|
|
LDEMUL_BEFORE_PLACE_ORPHANS=${LDEMUL_BEFORE_PLACE_ORPHANS-ldelf_before_place_orphans}
|
|
LDEMUL_AFTER_ALLOCATION=${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation}
|
|
LDEMUL_SET_OUTPUT_ARCH=${LDEMUL_SET_OUTPUT_ARCH-ldelf_set_output_arch}
|
|
LDEMUL_BEFORE_ALLOCATION=${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}
|
|
LDEMUL_OPEN_DYNAMIC_ARCHIVE=${LDEMUL_OPEN_DYNAMIC_ARCHIVE-ldelf_open_dynamic_archive}
|
|
LDEMUL_PLACE_ORPHAN=${LDEMUL_PLACE_ORPHAN-ldelf_place_orphan}
|
|
LDEMUL_ADD_OPTIONS=gld${EMULATION_NAME}_add_options
|
|
LDEMUL_HANDLE_OPTION=gld${EMULATION_NAME}_handle_option
|
|
LDEMUL_LIST_OPTIONS=${LDEMUL_LIST_OPTIONS-${gld_list_options}}
|
|
LDEMUL_RECOGNIZED_FILE=${LDEMUL_RECOGNIZED_FILE-ldelf_load_symbols}
|
|
|
|
source_em ${srcdir}/emultempl/emulation.em
|