diff options
Diffstat (limited to 'contrib/binutils/ld/genscripts.sh')
-rwxr-xr-x | contrib/binutils/ld/genscripts.sh | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/contrib/binutils/ld/genscripts.sh b/contrib/binutils/ld/genscripts.sh deleted file mode 100755 index 01682036f3352..0000000000000 --- a/contrib/binutils/ld/genscripts.sh +++ /dev/null @@ -1,342 +0,0 @@ -#!/bin/sh -# genscripts.sh - generate the ld-emulation-target specific files -# -# Usage: genscripts_extra.sh \ -# srcdir \ -# libdir \ -# exec_prefix \ -# host \ -# target \ -# target_alias \ -# default_emulation \ -# native_lib_dirs \ -# use_sysroot \ -# this_emulation \ -# optional: -# tool_dir \ -# customizer_script -# -# Sample usage: -# -# genscripts_extra.sh \ -# /sources/ld \ -# /usr/local/lib \ -# /usr/local \ -# sparc-sun-sunos4.1.3 \ -# sparc-sun-sunos4.1.3 \ -# sparc-sun-sunos4.1.3 \ -# sun4 \ -# "" \ -# no \ -# sun3 \ -# sparc-sun-sunos4.1.3 \ -# sparc.sh -# -# produces the linker scripts: -# -# sun3.x [default linker script] -# sun3.xbn [used when the linker is invoked with "-N"] -# sun3.xn [used when the linker is invoked with "-n"] -# sun3.xr [used when the linker is invoked with "-r"] -# sun3.xu [used when the linker is invoked with "-Ur"] -# and maybe: -# sun3.xc [used when the linker is invoked with "-z combreloc"] -# sun3.xsc [used when the linker is invoked with "--shared"] -# sun3.xdc [used when the linker is invoked with "-pie"] -# -# It also produced the C source file: -# -# em_sun3.c -# -# which is then compiled into the linker. -# -# The linker scripts are created by running the shell script -# /sources/ld/emulparams/sparc.sh to set the value of ${SCRIPT_NAME} -# (and any other variables it wants to). ${SCRIPT_NAME} is then -# invoked with a variable called ${LD_FLAG} to tell it which version -# of the linker script to create. - - -srcdir=$1 -libdir=$2 -exec_prefix=$3 -host=$4 -target=$5 -target_alias=$6 -EMULATION_LIBPATH=$7 -NATIVE_LIB_DIRS=$8 -use_sysroot=$9 -shift 9 -EMULATION_NAME=$1 -TOOL_LIB=$2 -CUSTOMIZER_SCRIPT=$3 - -# 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}/${TOOL_LIB}/lib -fi - -if [ "x${CUSTOMIZER_SCRIPT}" = "x" ] ; then - CUSTOMIZER_SCRIPT=${EMULATION_NAME} -fi -CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${CUSTOMIZER_SCRIPT}.sh" - -# Include the emulation-specific parameters: -. ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME} - -if test -d ldscripts; then - true -else - mkdir ldscripts -fi - -# Set some flags for the emultempl scripts. USE_LIBPATH will -# be set for any libpath-using emulation; NATIVE will be set for a -# libpath-using emulation where ${host} = ${target}. NATIVE -# may already have been set by the emulparams file, but that's OK -# (it'll just get set to "yes" twice). - -case " $EMULATION_LIBPATH " in - *" ${EMULATION_NAME} "*) - if [ "x${host}" = "x${target}" ] ; then - NATIVE=yes - USE_LIBPATH=yes - elif [ "x${use_sysroot}" = "xyes" ] ; then - USE_LIBPATH=yes - fi - ;; -esac - -# If the emulparams file sets NATIVE, make sure USE_LIBPATH is set also. -if test "x$NATIVE" = "xyes" ; then - USE_LIBPATH=yes -fi - -# Set the library search path, for libraries named by -lfoo. -# If LIB_PATH is defined (e.g., by Makefile) and non-empty, it is used. -# Otherwise, the default is set here. -# -# The format is the usual list of colon-separated directories. -# To force a logically empty LIB_PATH, do LIBPATH=":". -# -# If we are using a sysroot, prefix library paths with "=" to indicate this. -# -# If the emulparams file set LIBPATH_SUFFIX, prepend an extra copy of -# the library path with the suffix applied. - -if [ "x${LIB_PATH}" = "x" ] && [ "x${USE_LIBPATH}" = xyes ] ; then - LIB_PATH2= - - libs=${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 - 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="=${lib}" - fi - addsuffix= - case "${LIBPATH_SUFFIX}:${lib}" in - :*) ;; - *:*${LIBPATH_SUFFIX}) ;; - *) addsuffix=yes ;; - 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 -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 -fi - -LIB_SEARCH_DIRS=`echo ${LIB_PATH} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\\"\1\\");/g'` - -# We need it for testsuite. -case " $EMULATION_LIBPATH " in - *" ${EMULATION_NAME} "*) - test -d tmpdir || mkdir tmpdir - test -f tmpdir/libpath.exp || \ - echo "set libpath \"${LIB_PATH}\"" | sed -e 's/:/ /g' > tmpdir/libpath.exp - ;; -esac - -# Generate 5 or 6 script files from a master script template in -# ${srcdir}/scripttempl/${SCRIPT_NAME}.sh. Which one of the 5 or 6 -# script files is actually used depends on command line options given -# to ld. (SCRIPT_NAME was set in the emulparams_file.) -# -# A .x script file is the default script. -# A .xr script is for linking without relocation (-r flag). -# A .xu script is like .xr, but *do* create constructors (-Ur flag). -# A .xn script is for linking with -n flag (mix text and data on same page). -# A .xbn script is for linking with -N flag (mix text and data on same page). -# A .xs script is for generating a shared library with the --shared -# flag; it is only generated if $GENERATE_SHLIB_SCRIPT is set by the -# emulation parameters. -# A .xc script is for linking with -z combreloc; it is only generated if -# $GENERATE_COMBRELOC_SCRIPT is set by the emulation parameters or -# $SCRIPT_NAME is "elf". -# A .xsc script is for linking with --shared -z combreloc; it is generated -# if $GENERATE_COMBRELOC_SCRIPT is set by the emulation parameters or -# $SCRIPT_NAME is "elf" and $GENERATE_SHLIB_SCRIPT is set by the emulation -# parameters too. - -if [ "x$SCRIPT_NAME" = "xelf" ]; then - GENERATE_COMBRELOC_SCRIPT=yes -fi - -SEGMENT_SIZE=${SEGMENT_SIZE-${MAXPAGESIZE-${TARGET_PAGE_SIZE}}} - -# Determine DATA_ALIGNMENT for the 5 variants, using -# values specified in the emulparams/<script_to_run>.sh file or default. - -DATA_ALIGNMENT_="${DATA_ALIGNMENT_-${DATA_ALIGNMENT-ALIGN(${SEGMENT_SIZE})}}" -DATA_ALIGNMENT_n="${DATA_ALIGNMENT_n-${DATA_ALIGNMENT_}}" -DATA_ALIGNMENT_N="${DATA_ALIGNMENT_N-${DATA_ALIGNMENT-.}}" -DATA_ALIGNMENT_r="${DATA_ALIGNMENT_r-${DATA_ALIGNMENT-}}" -DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}" - -LD_FLAG=r -DATA_ALIGNMENT=${DATA_ALIGNMENT_r} -DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})" -( echo "/* Script for ld -r: link without relocation */" - . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME} - . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc -) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr - -LD_FLAG=u -DATA_ALIGNMENT=${DATA_ALIGNMENT_u} -CONSTRUCTING=" " -( echo "/* Script for ld -Ur: link w/out relocation, do create constructors */" - . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME} - . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc -) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu - -LD_FLAG= -DATA_ALIGNMENT=${DATA_ALIGNMENT_} -RELOCATING=" " -( echo "/* Default linker script, for normal executables */" - . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME} - . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc -) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x - -LD_FLAG=n -DATA_ALIGNMENT=${DATA_ALIGNMENT_n} -TEXT_START_ADDR=${NONPAGED_TEXT_START_ADDR-${TEXT_START_ADDR}} -( echo "/* Script for -n: mix text and data on same page */" - . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME} - . ${srcdir}/scripttempl/${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} - . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc -) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn - -if test -n "$GENERATE_COMBRELOC_SCRIPT"; then - DATA_ALIGNMENT=${DATA_ALIGNMENT_c-${DATA_ALIGNMENT_}} - LD_FLAG=c - COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp - ( echo "/* Script for -z combreloc: combine and sort reloc sections */" - . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME} - . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc - ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc - rm -f ${COMBRELOC} - COMBRELOC= -fi - -if test -n "$GENERATE_SHLIB_SCRIPT"; then - LD_FLAG=shared - DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}} - CREATE_SHLIB=" " - # Note that TEXT_START_ADDR is set to NONPAGED_TEXT_START_ADDR. - ( - echo "/* Script for ld --shared: link shared library */" - . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME} - . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc - ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs - if test -n "$GENERATE_COMBRELOC_SCRIPT"; then - LD_FLAG=cshared - DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}} - COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp - ( echo "/* Script for --shared -z combreloc: shared library, combine & sort relocs */" - . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME} - . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc - ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc - rm -f ${COMBRELOC} - COMBRELOC= - fi - unset CREATE_SHLIB -fi - -if test -n "$GENERATE_PIE_SCRIPT"; then - LD_FLAG=pie - DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}} - CREATE_PIE=" " - # Note that TEXT_START_ADDR is set to NONPAGED_TEXT_START_ADDR. - ( - echo "/* Script for ld -pie: link position independent executable */" - . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME} - . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc - ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xd - if test -n "$GENERATE_COMBRELOC_SCRIPT"; then - LD_FLAG=cpie - DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}} - COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp - ( echo "/* Script for -pie -z combreloc: position independent executable, combine & sort relocs */" - . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME} - . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc - ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdc - rm -f ${COMBRELOC} - COMBRELOC= - fi - unset CREATE_PIE -fi - -case " $EMULATION_LIBPATH " in - *" ${EMULATION_NAME} "*) COMPILE_IN=true;; -esac - -# Generate e${EMULATION_NAME}.c. -. ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em |