#!/bin/sh
# genscripts.sh - generate the ld-emulation-target specific files
-# Copyright 2004, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+# Copyright (C) 2004-2018 Free Software Foundation, Inc.
#
# This file is part of the Gnu Linker.
#
# enable_initfini_array \
# this_emulation \
# optional:
-# tool_dir \
-# customizer_script
+# tool_dir
#
# Sample usage:
#
ENABLE_INITFINI_ARRAY=$2
EMULATION_NAME=$3
TOOL_LIB=$4
-CUSTOMIZER_SCRIPT=$5
-
-if [ "x${CUSTOMIZER_SCRIPT}" = "x" ] ; then
- CUSTOMIZER_SCRIPT=${EMULATION_NAME}
-fi
-CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${CUSTOMIZER_SCRIPT}.sh"
# Include the emulation-specific parameters:
+CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${EMULATION_NAME}.sh"
. ${CUSTOMIZER_SCRIPT}
if test -d ldscripts; then
if [ "x${use_sysroot}" = "xyes" ] ; then
lib="=${lib}"
fi
- if test -n "${LIBPATH_SUFFIX}"; then
+ skip_lib=no
+ for libpath_suffix in ${LIBPATH_SUFFIX}; do
case "${lib}" in
- *${LIBPATH_SUFFIX})
+ *${libpath_suffix})
case :${lib_path1}: in
*:${lib}:*) ;;
::) lib_path1=${lib} ;;
*) lib_path1=${lib_path1}:${lib} ;;
esac ;;
*)
- case :${lib_path1}: in
- *:${lib}${LIBPATH_SUFFIX}:*) ;;
- ::) lib_path1=${lib}${LIBPATH_SUFFIX} ;;
- *) lib_path1=${lib_path1}:${lib}${LIBPATH_SUFFIX} ;;
- esac ;;
+ if test -n "${LIBPATH_SUFFIX_SKIP}"; then
+ case "${lib}" in
+ *${LIBPATH_SUFFIX_SKIP}) skip_lib=yes ;;
+ esac
+ fi
+ if test "${skip_lib}" = "no"; then
+ case :${lib_path1}: in
+ *:${lib}${libpath_suffix}:*) ;;
+ ::) lib_path1=${lib}${libpath_suffix} ;;
+ *) lib_path1=${lib_path1}:${lib}${libpath_suffix} ;;
+ esac
+ fi ;;
+ esac
+ done
+ if test "${skip_lib}" = "no"; then
+ case :${lib_path1}:${lib_path2}: in
+ *:${lib}:*) ;;
+ *::) lib_path2=${lib} ;;
+ *) lib_path2=${lib_path2}:${lib} ;;
esac
fi
- case :${lib_path1}:${lib_path2}: in
- *:${lib}:*) ;;
- *::) lib_path2=${lib} ;;
- *) lib_path2=${lib_path2}:${lib} ;;
- esac
done
fi
}
# because 64bit libraries may be in both places, depending on
# cross-development setup method (e.g.: /usr/s390x-linux/lib64
# vs. /usr/s390-linux/lib64)
- case "${NATIVE}:${LIBPATH_SUFFIX}:${TOOL_LIB}" in
- :* | *::* | *:*:*${LIBPATH_SUFFIX}) ;;
- *) libs="${exec_prefix}/${target_alias}/lib${LIBPATH_SUFFIX}" ;;
- esac
+ for libpath_suffix in ${LIBPATH_SUFFIX}; do
+ case "${NATIVE}:${libpath_suffix}:${TOOL_LIB}" in
+ :* | *::* | *:*:*${libpath_suffix}) ;;
+ *) libs="${exec_prefix}/${target_alias}/lib${libpath_suffix}" ;;
+ esac
+ done
libs="${exec_prefix}/${TOOL_LIB}/lib ${libs}"
fi
append_to_lib_path ${libs}
( echo "/* Script for ld -r: link without relocation */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
-) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr
+) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr
LD_FLAG=u
DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
( echo "/* Script for ld -Ur: link w/out relocation, do create constructors */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
-) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu
+) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu
-LD_FLAG=
DATA_ALIGNMENT=${DATA_ALIGNMENT_}
RELOCATING=" "
+LD_FLAG=
( echo "/* Default linker script, for normal executables */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
-) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x
+) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x
+
+LD_FLAG=textonly
+( echo "/* Script for -z separate-code: generate normal executables with separate code segment */"
+ . ${CUSTOMIZER_SCRIPT}
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xe
LD_FLAG=n
DATA_ALIGNMENT=${DATA_ALIGNMENT_n}
( echo "/* Script for -n: mix text and data on same page */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
-) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xn
+) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xn
LD_FLAG=N
DATA_ALIGNMENT=${DATA_ALIGNMENT_N}
( echo "/* Script for -N: mix text and data on same page; don't align data */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
-) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn
+) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn
if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
DATA_ALIGNMENT=${DATA_ALIGNMENT_c-${DATA_ALIGNMENT_}}
( echo "/* Script for -z combreloc: combine and sort reloc sections */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc
+ rm -f ${COMBRELOC}
+ LD_FLAG=ctextonly
+ COMBRELOC=ldscripts/${EMULATION_NAME}.xce.tmp
+ ( echo "/* Script for -z combreloc -z separate-code: combine and sort reloc sections with separate code segment */"
+ . ${CUSTOMIZER_SCRIPT}
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xce
rm -f ${COMBRELOC}
- LD_FLAG=w
RELRO_NOW=" "
+ LD_FLAG=w
COMBRELOC=ldscripts/${EMULATION_NAME}.xw.tmp
( echo "/* Script for -z combreloc -z now -z relro: combine and sort reloc sections */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xw
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xw
+ rm -f ${COMBRELOC}
+ LD_FLAG=wtextonly
+ COMBRELOC=ldscripts/${EMULATION_NAME}.xwe.tmp
+ ( echo "/* Script for -z combreloc -z now -z relro -z separate-code: combine and sort reloc sections with separate code segment */"
+ . ${CUSTOMIZER_SCRIPT}
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xwe
rm -f ${COMBRELOC}
COMBRELOC=
unset RELRO_NOW
fi
if test -n "$GENERATE_SHLIB_SCRIPT"; then
- LD_FLAG=shared
DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
CREATE_SHLIB=" "
+ LD_FLAG=shared
(
echo "/* Script for ld --shared: link shared library */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs
+ LD_FLAG=sharedtextonly
+ (
+ echo "/* Script for ld --shared -z separate-code: link shared library with separate code segment */"
+ . ${CUSTOMIZER_SCRIPT}
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xse
if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
- LD_FLAG=cshared
DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
+ LD_FLAG=cshared
COMBRELOC=ldscripts/${EMULATION_NAME}.xsc.tmp
( echo "/* Script for --shared -z combreloc: shared library, combine & sort relocs */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc
+ rm -f ${COMBRELOC}
+ LD_FLAG=csharedtextonly
+ COMBRELOC=ldscripts/${EMULATION_NAME}.xsce.tmp
+ ( echo "/* Script for --shared -z combreloc -z separate-code: shared library, combine & sort relocs with separate code segment */"
+ . ${CUSTOMIZER_SCRIPT}
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsce
rm -f ${COMBRELOC}
- LD_FLAG=wshared
RELRO_NOW=" "
+ LD_FLAG=wshared
COMBRELOC=ldscripts/${EMULATION_NAME}.xsw.tmp
( echo "/* Script for --shared -z combreloc -z now -z relro: shared library, combine & sort relocs */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsw
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsw
+ rm -f ${COMBRELOC}
+ LD_FLAG=wsharedtextonly
+ COMBRELOC=ldscripts/${EMULATION_NAME}.xswe.tmp
+ ( echo "/* Script for --shared -z combreloc -z now -z relro -z separate-code: shared library, combine & sort relocs with separate code segment */"
+ . ${CUSTOMIZER_SCRIPT}
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xswe
rm -f ${COMBRELOC}
COMBRELOC=
unset RELRO_NOW
fi
if test -n "$GENERATE_PIE_SCRIPT"; then
- LD_FLAG=pie
DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
CREATE_PIE=" "
+ LD_FLAG=pie
(
echo "/* Script for ld -pie: link position independent executable */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xd
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xd
+ LD_FLAG=pietextonly
+ (
+ echo "/* Script for ld -pie -z separate-code: link position independent executable with separate code segment */"
+ . ${CUSTOMIZER_SCRIPT}
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xde
if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
- LD_FLAG=cpie
DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
COMBRELOC=ldscripts/${EMULATION_NAME}.xdc.tmp
+ LD_FLAG=cpie
( echo "/* Script for -pie -z combreloc: position independent executable, combine & sort relocs */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdc
+ rm -f ${COMBRELOC}
+ LD_FLAG=cpietextonly
+ COMBRELOC=ldscripts/${EMULATION_NAME}.xdce.tmp
+ ( echo "/* Script for -pie -z combreloc -z separate-code: position independent executable, combine & sort relocs with separate code segment */"
+ . ${CUSTOMIZER_SCRIPT}
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdce
rm -f ${COMBRELOC}
- LD_FLAG=wpie
RELRO_NOW=" "
+ LD_FLAG=wpie
COMBRELOC=ldscripts/${EMULATION_NAME}.xdw.tmp
( echo "/* Script for -pie -z combreloc -z now -z relro: position independent executable, combine & sort relocs */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdw
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdw
+ rm -f ${COMBRELOC}
+ LD_FLAG=wpietextonly
+ COMBRELOC=ldscripts/${EMULATION_NAME}.xdwe.tmp
+ ( echo "/* Script for -pie -z combreloc -z now -z relro -z separate-code: position independent executable, combine & sort relocs with separate code segment */"
+ . ${CUSTOMIZER_SCRIPT}
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdwe
rm -f ${COMBRELOC}
COMBRELOC=
unset RELRO_NOW
echo "/* Script for ld --enable-auto-import: Like the default script except read only data is placed into .data */"
. ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xa
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xa
fi
-case " $EMULATION_LIBPATH " in
- *" ${EMULATION_NAME} "*) COMPILE_IN=true;;
+case "$COMPILE_IN: $EMULATION_LIBPATH " in
+ :*" ${EMULATION_NAME} "*) COMPILE_IN=yes;;
esac
# PR ld/5652:
projects / deliverable / binutils-gdb.git / blobdiff