#!/bin/sh
# genscripts.sh - generate the ld-emulation-target specific files
-# Copyright 2007 Free Software Foundation, Inc.
+# Copyright 2004, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
#
# This file is part of the Gnu Linker.
#
# default_emulation \
# native_lib_dirs \
# use_sysroot \
+# enable_initfini_array \
# this_emulation \
# optional:
# tool_dir \
NATIVE_LIB_DIRS=$9
shift 9
use_sysroot=$1
-EMULATION_NAME=$2
-TOOL_LIB=$3
-CUSTOMIZER_SCRIPT=$4
-
-# Can't use ${TOOL_LIB:-$target_alias} here due to an Ultrix shell bug.
-if [ "x${TOOL_LIB}" = "x" ] ; then
- tool_lib=${exec_prefix}/${target_alias}/lib
-else
- tool_lib=${exec_prefix}/${TOOL_LIB}/lib
-fi
+ENABLE_INITFINI_ARRAY=$2
+EMULATION_NAME=$3
+TOOL_LIB=$4
+CUSTOMIZER_SCRIPT=$5
if [ "x${CUSTOMIZER_SCRIPT}" = "x" ] ; then
CUSTOMIZER_SCRIPT=${EMULATION_NAME}
CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${CUSTOMIZER_SCRIPT}.sh"
# Include the emulation-specific parameters:
-. ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+. ${CUSTOMIZER_SCRIPT}
if test -d ldscripts; then
true
# If the emulparams file set LIBPATH_SUFFIX, prepend an extra copy of
# the library path with the suffix applied.
-if [ "x${LIB_PATH}" = "x" ] && [ "x${USE_LIBPATH}" = xyes ] ; then
- LIB_PATH2=
+# Paths with LIBPATH_SUFFIX
+lib_path1=
+# Paths without LIBPATH_SUFFIX
+lib_path2=
+if [ "${LIB_PATH}" != ":" ] ; then
+ lib_path2=${LIB_PATH}
+fi
- libs=${NATIVE_LIB_DIRS}
- if [ "x${use_sysroot}" != "xyes" ] ; then
- case " ${libs} " in
- *" ${libdir} "*) ;;
- *) libs="${libdir} ${libs}" ;;
- esac
- case " ${libs} " in
- *" ${tool_lib} "*) ;;
- *) libs="${tool_lib} ${libs}" ;;
- esac
+# Add args to lib_path1 and lib_path2, discarding any duplicates
+append_to_lib_path()
+{
+ if [ $# != 0 ]; then
+ for lib in "$@"; do
+ # The "=" is harmless if we aren't using a sysroot, but also needless.
+ if [ "x${use_sysroot}" = "xyes" ] ; then
+ lib="=${lib}"
+ fi
+ skip_lib=no
+ if test -n "${LIBPATH_SUFFIX}"; then
+ case "${lib}" in
+ *${LIBPATH_SUFFIX})
+ case :${lib_path1}: in
+ *:${lib}:*) ;;
+ ::) lib_path1=${lib} ;;
+ *) lib_path1=${lib_path1}:${lib} ;;
+ 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
+ fi
+ if test "${skip_lib}" = "no"; then
+ case :${lib_path1}:${lib_path2}: in
+ *:${lib}:*) ;;
+ *::) lib_path2=${lib} ;;
+ *) lib_path2=${lib_path2}:${lib} ;;
+ esac
+ fi
+ done
fi
-
- for lib in ${libs}; do
- # The "=" is harmless if we aren't using a sysroot, but also needless.
- if [ "x${use_sysroot}" = "xyes" ] ; then
- lib="=${lib}"
+}
+
+# Always search $(tooldir)/lib, aka /usr/local/TARGET/lib when native
+# except when LIBPATH=":".
+if [ "${LIB_PATH}" != ":" ] ; then
+ libs=
+ if [ "x${TOOL_LIB}" = "x" ] ; then
+ if [ "x${NATIVE}" = "xyes" ] ; then
+ libs="${exec_prefix}/${target_alias}/lib"
fi
- addsuffix=
- case "${LIBPATH_SUFFIX}:${lib}" in
- :*) ;;
- *:*${LIBPATH_SUFFIX}) ;;
- *) addsuffix=yes ;;
+ else
+ # For multilib'ed targets, ensure both ${target_alias}/lib${LIBPATH_SUFFIX}
+ # and ${TOOL_LIB}/lib${LIBPATH_SUFFIX} are in the default search path,
+ # 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${LIBPATH_SUFFIX}" ;;
esac
- if test -n "$addsuffix"; then
- case :${LIB_PATH}: in
- *:${lib}${LIBPATH_SUFFIX}:*) ;;
- ::) LIB_PATH=${lib}${LIBPATH_SUFFIX} ;;
- *) LIB_PATH=${LIB_PATH}:${lib}${LIBPATH_SUFFIX} ;;
- esac
- case :${LIB_PATH}:${LIB_PATH2}: in
- *:${lib}:*) ;;
- *::) LIB_PATH2=${lib} ;;
- *) LIB_PATH2=${LIB_PATH2}:${lib} ;;
- esac
- else
- case :${LIB_PATH2}: in
- *:${lib}:*) ;;
- ::) LIB_PATH2=${lib} ;;
- *) LIB_PATH2=${LIB_PATH2}:${lib} ;;
- esac
- fi
- done
-
- case :${LIB_PATH}:${LIB_PATH2}: in
- *:: | ::*) LIB_PATH=${LIB_PATH}${LIB_PATH2} ;;
- *) LIB_PATH=${LIB_PATH}:${LIB_PATH2} ;;
- esac
-
- # For multilib'ed targets, ensure both ${target_alias}/lib${LIBPATH_SUFFIX}
- # and ${TOOL_LIB}/lib${LIBPATH_SUFFIX} are in the default search path, 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 "${LIBPATH_SUFFIX}:${tool_lib}" in
- :*) ;;
- *:*${LIBPATH_SUFFIX}) ;;
- *)
- paths="${exec_prefix}/${target_alias}/lib${LIBPATH_SUFFIX}"
- if [ x"${TOOL_LIB}" != x ]; then
- paths="${paths} ${exec_prefix}/${TOOL_LIB}/lib${LIBPATH_SUFFIX}"
- fi
- for path in $paths; do
- case :${LIB_PATH}: in
- ::: | *:${path}:*) ;;
- *) LIB_PATH=${path}:${LIB_PATH} ;;
- esac
- done
- ;;
- esac
+ libs="${exec_prefix}/${TOOL_LIB}/lib ${libs}"
+ fi
+ append_to_lib_path ${libs}
fi
-# Always search $(tooldir)/lib, aka /usr/local/TARGET/lib, except for
-# sysrooted configurations and when LIBPATH=":".
-if [ "x${use_sysroot}" != "xyes" ] ; then
- case :${LIB_PATH}: in
- ::: | *:${tool_lib}:*) ;;
- ::) LIB_PATH=${tool_lib} ;;
- *) LIB_PATH=${tool_lib}:${LIB_PATH} ;;
- esac
- # For multilib targets, search both $tool_lib dirs
- if [ "x${LIBPATH_SUFFIX}" != "x" ] ; then
- case :${LIB_PATH}: in
- ::: | *:${tool_lib}${LIBPATH_SUFFIX}:*) ;;
- ::) LIB_PATH=${tool_lib}${LIBPATH_SUFFIX} ;;
- *) LIB_PATH=${tool_lib}${LIBPATH_SUFFIX}:${LIB_PATH} ;;
+if [ "x${LIB_PATH}" = "x" ] && [ "x${USE_LIBPATH}" = xyes ] ; then
+ libs=${NATIVE_LIB_DIRS}
+ if [ "x${NATIVE}" = "xyes" ] ; then
+ case " ${libs} " in
+ *" ${libdir} "*) ;;
+ *) libs="${libdir} ${libs}" ;;
esac
fi
+ append_to_lib_path ${libs}
fi
+case :${lib_path1}:${lib_path2}: in
+ *:: | ::*) LIB_PATH=${lib_path1}${lib_path2} ;;
+ *) LIB_PATH=${lib_path1}:${lib_path2} ;;
+esac
+
LIB_SEARCH_DIRS=`echo ${LIB_PATH} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\\"\1\\");/g'`
# We need it for testsuite.
DATA_ALIGNMENT=${DATA_ALIGNMENT_r}
DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
( echo "/* Script for ld -r: link without relocation */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr
DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
CONSTRUCTING=" "
( echo "/* Script for ld -Ur: link w/out relocation, do create constructors */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu
DATA_ALIGNMENT=${DATA_ALIGNMENT_}
RELOCATING=" "
( echo "/* Default linker script, for normal executables */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x
LD_FLAG=n
DATA_ALIGNMENT=${DATA_ALIGNMENT_n}
( echo "/* Script for -n: mix text and data on same page */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | 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} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn
LD_FLAG=c
COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
( echo "/* Script for -z combreloc: combine and sort reloc sections */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc
rm -f ${COMBRELOC}
RELRO_NOW=" "
COMBRELOC=ldscripts/${EMULATION_NAME}.xw.tmp
( echo "/* Script for -z combreloc -z now -z relro: combine and sort reloc sections */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xw
rm -f ${COMBRELOC}
CREATE_SHLIB=" "
(
echo "/* Script for ld --shared: link shared library */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs
if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
COMBRELOC=ldscripts/${EMULATION_NAME}.xsc.tmp
( echo "/* Script for --shared -z combreloc: shared library, combine & sort relocs */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc
rm -f ${COMBRELOC}
RELRO_NOW=" "
COMBRELOC=ldscripts/${EMULATION_NAME}.xsw.tmp
( echo "/* Script for --shared -z combreloc -z now -z relro: shared library, combine & sort relocs */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsw
rm -f ${COMBRELOC}
CREATE_PIE=" "
(
echo "/* Script for ld -pie: link position independent executable */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xd
if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
COMBRELOC=ldscripts/${EMULATION_NAME}.xdc.tmp
( echo "/* Script for -pie -z combreloc: position independent executable, combine & sort relocs */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdc
rm -f ${COMBRELOC}
RELRO_NOW=" "
COMBRELOC=ldscripts/${EMULATION_NAME}.xdw.tmp
( echo "/* Script for -pie -z combreloc -z now -z relro: position independent executable, combine & sort relocs */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdw
rm -f ${COMBRELOC}
DATA_ALIGNMENT=${DATA_ALIGNMENT_}
(
echo "/* Script for ld --enable-auto-import: Like the default script except read only data is placed into .data */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+ . ${CUSTOMIZER_SCRIPT}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xa
fi
*" ${EMULATION_NAME} "*) COMPILE_IN=true;;
esac
-if test -n "${BASH+set}"; then
+# PR ld/5652:
+# Determine if the shell has support for the variable BASH_LINENO.
+# When it is the case, it is only available inside functions.
+has_lineno()
+{
+ test "x$BASH_LINENO" != "x"
+}
+
+# Enable accruate error source in the compiler error messages, if possible.
+if has_lineno; then
. ${srcdir}/genscrba.sh
else
source_em()