| #!/bin/bash |
| # Copyright 1999-2012 Gentoo Foundation |
| # Distributed under the terms of the GNU General Public License v2 |
| # $Header: /var/cvsroot/gentoo-x86/sys-devel/binutils-config/files/binutils-config-3,v 1.9 2012/08/18 03:57:50 vapier Exp $ |
| |
| # Format of /etc/env.d/binutils/: |
| # config-TARGET: CURRENT=version for TARGET |
| # TARGET-VER: has a TARGET and VER variable |
| |
| : ${ROOT:=/} |
| [[ ${ROOT} != */ ]] && ROOT="${ROOT}/" |
| [[ ${ROOT} != /* ]] && ROOT="${PWD%/}/${ROOT}" |
| |
| cd / |
| |
| trap ":" INT QUIT TSTP |
| |
| argv0=${0##*/} |
| source /etc/init.d/functions.sh || { |
| echo "${argv0}: Could not source /etc/init.d/functions.sh!" 1>&2 |
| exit 1 |
| } |
| esyslog() { :; } |
| die() { eerror "${argv0}: $*"; exit 1; } |
| umask 022 |
| |
| usage() { |
| cat << USAGE_END |
| Usage: ${HILITE}binutils-config${NORMAL} ${GOOD}[options]${NORMAL} ${BRACKET}[binutils profile]${NORMAL} |
| |
| ${HILITE}General Options:${NORMAL} |
| ${GOOD}-c, --get-current-profile${NORMAL} Print current profile |
| ${GOOD}-l, --list-profiles${NORMAL} Print a list of available profiles |
| ${GOOD}-u, --uninstall${NORMAL} Remove all signs of specified target |
| ${GOOD}-d, --debug${NORMAL} Execute with debug output |
| |
| ${HILITE}General Cruft:${NORMAL} |
| ${GOOD}--linker${NORMAL} <linker> Switch to specified linker (if supported) |
| |
| ${HILITE}Arch Specific Cruft:${NORMAL} |
| ${GOOD}--amd64${NORMAL} Install extra amd64 links (x86_64) |
| ${GOOD}--arm${NORMAL} Install extra arm links (arm/armeb) |
| ${GOOD}--mips${NORMAL} Install extra mips links (mips/mipsel) |
| ${GOOD}--x86${NORMAL} Install extra x86 links (i[3-6]86) |
| |
| Profile names are of the form: ${BRACKET}<CTARGET>-<binutils version>${NORMAL} |
| For example: ${BRACKET}i686-pc-linux-gnu-2.15.92.0.2${NORMAL} |
| |
| For more info, please see ${HILITE}binutils-config${NORMAL}(8). |
| USAGE_END |
| |
| exit ${1:-1} |
| } |
| |
| mv_if_diff() { |
| if cmp -s "$1" "$2" ; then |
| rm -f "$1" |
| else |
| mv -f "$1" "$2" |
| fi |
| } |
| atomic_ln() { |
| local target=$1 linkdir=$2 linkname=$3 linktmp linkfull |
| linktmp="${linkdir}/.binutils-config.tmp.${linkname}" |
| linkfull="${linkdir}/${linkname}" |
| if [[ -d ${linkfull} ]] ; then |
| # if linking to a dir, we need a little magic to |
| # make it atomic since `mv -T` is not portable |
| rm -rf "${linktmp}" |
| mkdir -p "${linktmp}" |
| ln -sf "${target}" "${linktmp}/${linkname}" |
| mv "${linktmp}/${linkname}" "${linktmp}/../" |
| rmdir "${linktmp}" |
| else |
| # `ln` will expand into unlink();symlink(); which |
| # is not atomic for a small amount of time, but |
| # `mv` is a single rename() call |
| ln -sf "${target}" "${linktmp}" |
| mv "${linktmp}" "${linkfull}" |
| fi |
| } |
| |
| setup_env() { |
| unset TARGET VER LIBPATH FAKE_TARGETS |
| source "${ENV_D}/${PROFILE}" |
| if [[ -z ${TARGET} ]] ; then |
| eerror "${PROFILE} is invalid (no \$TARGET defined) :(" |
| return 1 |
| fi |
| if [[ -z ${VER} ]] ; then |
| eerror "${PROFILE} is invalid (no \$VER defined) :(" |
| return 1 |
| fi |
| |
| # |
| # Older installs don't have 'FAKE_TARGETS' defined, so lets |
| # update these env.d entries so that we don't force the poor |
| # user to re-emerge their binutils just for 1 envvar :/ |
| # |
| if [[ ${FAKE_TARGETS-poor user} == "poor user" ]] ; then |
| local targ=${TARGET/-*} |
| local FAKE_TARGETS=${TARGET} |
| case ${targ} in |
| mips|powerpc|sparc) |
| FAKE_TARGETS="${FAKE_TARGETS} ${TARGET/-/64-}";; |
| mips64|powerpc64|sparc64) |
| FAKE_TARGETS="${FAKE_TARGETS} ${TARGET/64-/-}";; |
| esac |
| echo "FAKE_TARGETS=\"${FAKE_TARGETS}\"" >> "${ENV_D}/${PROFILE}" |
| fi |
| local fake_targ_append="${TARGET#*-}" |
| FAKE_TARGETS="${FAKE_TARGETS} ${FAKE_TARGETS_USER// /-${fake_targ_append} }" |
| |
| # |
| # Generate binary symlinks |
| # On systems that do 32bit/64bit, we need to fake an |
| # extra set of binary names (${FAKE_TARGETS}) |
| # |
| BINPATH="" |
| BINPATH_LINKS="" |
| if [[ ${TARGET} != ${HOST} ]] ; then |
| # |
| # Newer paths: /usr/${HOST}/${TARGET}/... |
| # Older paths: /usr/${TARGET}/... |
| # |
| if [[ -d ${ROOT}/usr/${HOST}/${TARGET}/binutils-bin/${VER} ]] ; then |
| BINPATH=/usr/${HOST}/${TARGET}/binutils-bin/${VER} |
| BINPATH_LINKS=/usr/libexec/gcc/${TARGET} |
| fi |
| fi |
| if [[ -z ${BINPATH} ]] ; then |
| BINPATH=/usr/${TARGET}/binutils-bin/${VER} |
| BINPATH_LINKS=/usr/${TARGET}/bin |
| fi |
| } |
| |
| switch_profile() { |
| ebegin "Switching to ${PROFILE}" |
| |
| setup_env || return 1 |
| |
| cd "${ROOT}/${BINPATH}" || exit 1 |
| mkdir -p "${ROOT}/${BINPATH_LINKS}" "${ROOT}/usr/bin" |
| for x in * ; do |
| atomic_ln "${BINPATH}/${x}" "${ROOT}/${BINPATH_LINKS}" "${x}" |
| atomic_ln "${BINPATH_LINKS}/${x}" "${ROOT}/usr/bin/" "${TARGET}-${x}" |
| for fake in ${FAKE_TARGETS} ; do |
| [[ -f ${ENV_D}/config-${fake} ]] && continue |
| atomic_ln "${BINPATH_LINKS}/${x}" "${ROOT}/usr/bin" "${fake}-${x}" |
| done |
| if [[ ${TARGET} == ${HOST} ]] ; then |
| atomic_ln "${TARGET}-${x}" "${ROOT}/usr/bin" "${x}" |
| fi |
| done |
| |
| # |
| # Generate library / ldscripts symlinks |
| # |
| : ${LIBPATH:=/usr/lib/binutils/${TARGET}/${VER}} |
| cd "${ROOT}/${LIBPATH}" || exit 1 |
| if [[ ${TARGET} == ${HOST} ]] ; then |
| dstlib=${ROOT}/usr/${HOST}/lib |
| else |
| dstlib=${ROOT}/usr/${HOST}/${TARGET}/lib |
| fi |
| # When upgrading, we need to clean up ldscripts and libs |
| mkdir -p "${dstlib}" |
| rm -rf "${ROOT}/${BINPATH_LINKS}"/ldscripts |
| atomic_ln "${LIBPATH}/ldscripts" "${dstlib}" "ldscripts" |
| find -L "${dstlib}" -type l -exec rm -v {} + |
| for x in lib* ; do |
| atomic_ln "${LIBPATH}/${x}" "${dstlib}" "${x}" |
| done |
| |
| # |
| # Generate include symlinks |
| # |
| INCPATH=${LIBPATH}/include |
| if [[ -d ${ROOT}/${INCPATH} ]] ; then |
| cd "${ROOT}/${INCPATH}" || exit 1 |
| if [[ ${HOST} == ${TARGET} ]] ; then |
| mkdir -p "${ROOT}/usr/include" |
| for x in * ; do |
| atomic_ln "${INCPATH}/${x}" "${ROOT}/usr/include" "${x}" |
| done |
| else |
| # Clean out old path -- cannot use '-exec {} +' syntax here |
| find . -type f -exec rm -f "${ROOT}/usr/${TARGET}/usr/include/{}" \; |
| rmdir "${ROOT}/usr/${TARGET}/usr/include" >& /dev/null |
| rmdir "${ROOT}/usr/${TARGET}/usr" >& /dev/null |
| rmdir "${ROOT}/usr/${TARGET}" >& /dev/null |
| fi |
| fi |
| |
| # |
| # Make sure proper paths get updated |
| # |
| if [[ ${TARGET} == ${HOST} ]] ; then |
| DATAPATH=/usr/share/binutils-data/${TARGET}/${VER} |
| local e="${ROOT}"/etc/env.d/05binutils |
| local ee="${e}.tmp" |
| rm -f "${ee}" |
| [[ -d ${DATAPATH}/man ]] && echo "MANPATH=${DATAPATH}/man" >> "${ee}" |
| [[ -d ${DATAPATH}/info ]] && echo "INFOPATH=${DATAPATH}/info" >> "${ee}" |
| # hmm, `ld` has this in SEARCH_DIR(), but ld.so does not ... |
| if [[ -d ${ROOT}/etc/ld.so.conf.d ]] ; then |
| local l="${ROOT}"/etc/ld.so.conf.d/05binutils.conf |
| local ll="${l}.tmp" |
| echo "/usr/${TARGET}/lib" > "${ll}" |
| mv_if_diff "${ll}" "${l}" |
| else |
| echo "LDPATH=/usr/${TARGET}/lib" >> "${ee}" |
| fi |
| mv_if_diff "${ee}" "${e}" |
| fi |
| |
| local c="${ENV_D}/config-${TARGET}" |
| local cc="${c}.tmp" |
| echo "CURRENT=${VER}" > "${cc}" |
| mv_if_diff "${cc}" "${c}" |
| |
| eend 0 |
| |
| # |
| # Regen env.d if need/can be |
| # |
| if [[ ${ROOT} == "/" ]] && [[ ${TARGET} == ${HOST} ]] ; then |
| env-update |
| echo |
| ewarn "Please remember to run:" |
| echo |
| ewarn " # . /etc/profile" |
| echo |
| fi |
| |
| return 0 |
| } |
| |
| uninstall_target() { |
| : ${TARGET:=${UARG}} |
| |
| if [[ ${TARGET} == ${HOST} ]] ; then |
| die "refusing to uninstall native binutils" |
| fi |
| |
| shopt -s nullglob |
| PROFILE="" |
| |
| for PROFILE in "${ENV_D}"/${TARGET}-* ; do |
| ewarn "Removing all signs of ${PROFILE##*/}" |
| rm -f "${ENV_D}"/${PROFILE} |
| done |
| if [[ -z ${PROFILE} ]] && [[ ! -e ${ENV_D}/config-${TARGET} ]] ; then |
| die "no profiles exist for '${TARGET}'" |
| fi |
| |
| rm -f "${ENV_D}"/config-${TARGET} "${ROOT}"/etc/ld.so.conf.d/05binutils.conf |
| |
| # XXX: we still leave behind FAKE_TARGETS in /usr/bin ... |
| local x |
| for x in addr2line ar as c++filt elf2flt flthdr gprof ld ld.real \ |
| nm objcopy objdump ranlib readelf size strings strip ; do |
| x=( |
| "${ROOT}"/usr/bin/${TARGET}-${x} |
| "${ROOT}"/usr/{${HOST}/,}${TARGET}/bin/${x} |
| "${ROOT}"/usr/libexec/gcc/${TARGET}/${x} |
| ) |
| rm -f "${x[@]}" |
| done |
| for x in ansidecl.h bfd.h bfdlink.h dis-asm.h symcat.h ; do |
| rm -f "${ROOT}"/usr/{${HOST}/,}${TARGET}/{usr/,}include/${x} |
| done |
| for x in bfd iberty opcodes ; do |
| rm -f "${ROOT}"/usr/${HOST}/${TARGET}/lib/lib${x}{{-*,}.so,.a,.la} |
| done |
| # Delete broken symlinks |
| local destdir="${ROOT}/usr/${HOST}/${TARGET}" |
| rm -f "${destdir}"/lib/ldscripts |
| find -L "${destdir}"/lib -type l -exec rm {} + |
| rmdir \ |
| "${destdir}"/{bin,include,lib,usr} \ |
| "${destdir}" \ |
| "${ROOT}"/var/db/pkg/cross-${TARGET} \ |
| 2>/dev/null |
| |
| rm -f "${ENV_D}"/${TARGET}-* |
| } |
| |
| set_current_profile() { |
| if [[ ! -f ${ENV_D}/config-${TARGET} ]] ; then |
| eerror "${argv0}: unable to locate a profile for target: ${TARGET}" |
| return 1 |
| fi |
| |
| source "${ENV_D}/config-${TARGET}" |
| |
| if [[ -z ${CURRENT} ]] ; then |
| eerror "${argv0}: no binutils profile is active!" |
| return 1 |
| fi |
| |
| echo "${TARGET}-${CURRENT}" |
| |
| return 0 |
| } |
| get_current_profile() { echo "${PROFILE}" ; } |
| |
| list_profiles() { |
| local x i target |
| |
| if [[ ${ROOT} != / ]] ; then |
| echo "Using binutils-config info in ${ROOT}" |
| fi |
| |
| set -- "${ENV_D}"/* |
| target= |
| i=1 |
| |
| for x ; do |
| # skip broken links and config files |
| [[ -f ${x} ]] || continue |
| [[ ${x} == */config-* ]] && continue |
| |
| source "${x}" |
| if [[ ${target} != ${TARGET} ]] ; then |
| [[ -n ${target} ]] && echo |
| target=${TARGET} |
| fi |
| |
| x=${x##*/} |
| if [[ -e ${ENV_D}/config-${TARGET} ]] ; then |
| source "${ENV_D}/config-${TARGET}" |
| if [[ ${VER} == ${CURRENT} ]] ; then |
| [[ ${TARGET} == ${HOST} ]] \ |
| && x="${x} ${GOOD}*${NORMAL}" \ |
| || x="${x} ${HILITE}*${NORMAL}" |
| fi |
| fi |
| |
| # We would align the [...] field like so: |
| #printf ' [%*ss] %s\n' ${##} "${i}" "${x}" |
| # but this breaks simple scripting: `binutils -l | awk '{print $2}'` |
| |
| # Or we could align the target col like so: |
| #printf ' [%s]%*s %s\n' "${i}" $(( ${##} - ${#i} )) "" "${x}" |
| # but i'm not sold that it looks better |
| |
| # So keep it simple ... only makes a diff anyways for crazy people |
| # like me which have 100+ binutils packages installed ... |
| echo " [$i] ${x}" |
| ((++i)) |
| done |
| } |
| |
| switch_linker() { |
| local bpath ld=$1 |
| |
| case ${ld} in |
| ld.*) ;; |
| *) die "not supported: linker must start with 'ld.'" ;; |
| esac |
| |
| setup_env || return 1 |
| bpath="${ROOT}/${BINPATH}" |
| |
| # does this binutils even support the requested linker ? |
| if [[ ! -e ${bpath}/${ld} ]] ; then |
| die "sorry, but ${PROFILE} doesn't support the ${ld} linker" |
| fi |
| |
| # switch it up |
| ebegin "Setting default linker to ${ld} for ${PROFILE}" |
| atomic_ln ${ld} "${bpath}" ld |
| eend $? |
| } |
| |
| set_HOST() { |
| # Set HOST to CHOST if it isn't already set |
| : ${HOST:=${CHOST:-$(portageq envvar CHOST)}} |
| } |
| |
| ENV_D="${ROOT}etc/env.d/binutils" |
| |
| DEBUG="no" |
| NEED_ACTION="yes" |
| DOIT="switch_profile" |
| PROFILE="current" |
| FAKE_TARGETS_USER="" |
| HOST="" |
| TARGET="" |
| unset UARG |
| |
| select_action() { |
| if [[ ${NEED_ACTION} != "no" ]] ; then |
| NEED_ACTION="no" |
| DOIT=$1 |
| else |
| die "one action at a time!" |
| fi |
| } |
| |
| while [[ $# -gt 0 ]] ; do |
| x=$1 |
| shift |
| case ${x} in |
| -c|--get-current-profile) select_action get_current_profile ;; |
| -l|--list|--list-profiles) select_action list_profiles ;; |
| -u|--uninstall) select_action uninstall_target ;; |
| --linker) select_action "switch_linker $1"; shift ;; |
| -d|--debug) DEBUG="yes" ;; |
| -h|--help) usage 0 ;; |
| -V|--version) |
| unset Header |
| cvsver="$Header: /var/cvsroot/gentoo-x86/sys-devel/binutils-config/files/binutils-config-3,v 1.9 2012/08/18 03:57:50 vapier Exp $" |
| cvsver=${cvsver##*binutils-config-} |
| bver=${cvsver%%,v *} |
| cvsver=${cvsver#* } |
| echo "binutils-config-${bver} (r${cvsver%% *})" |
| exit 0 |
| ;; |
| --amd64|--arm|--mips|--x86) |
| if [[ ${NEED_ACTION} == "yes" ]] ; then |
| # Make sure we have a space after each target |
| NEED_ACTION="no" |
| case ${x} in |
| --amd64) FAKE_TARGETS_USER="x86_64 ";; |
| --arm) FAKE_TARGETS_USER="arm armeb ";; |
| --x86) FAKE_TARGETS_USER="i386 i486 i586 i686 ";; |
| --mips) FAKE_TARGETS_USER="mips mips64 mipsel mipsel64 ";; |
| esac |
| fi |
| ;; |
| -*) |
| die "invalid switch! Try '--help'." |
| ;; |
| *) |
| if [[ ${UARG+set} == "set" ]] ; then |
| die "only one profile/target at a time please" |
| fi |
| NEED_ACTION="maybe" |
| UARG=${x} |
| ;; |
| esac |
| done |
| |
| [[ ${NEED_ACTION} == "yes" ]] && usage 1 |
| [[ ${DEBUG} == "yes" ]] && set -x |
| |
| # All operations need to know the current HOST to figure out |
| # what is a native target and what is a cross target |
| set_HOST |
| |
| # All operations need to know the profile the user wants |
| case ${DOIT} in |
| switch_profile|switch_linker_*) |
| # decode user's profile choice |
| x=${UARG:-$(TARGET=${HOST} set_current_profile)} |
| PROFILE="" |
| if [[ -z $(echo ${x} | tr -d '[:digit:]') ]] ; then |
| # User gave us a # representing the profile |
| i=1 |
| for y in "${ENV_D}"/* ; do |
| [[ ${y/config-} != ${y} ]] && continue |
| |
| if [[ -f ${y} ]] && [[ ${x} -eq ${i} ]] ; then |
| PROFILE=${y##*/} |
| break |
| fi |
| ((++i)) |
| done |
| fi |
| |
| if [[ -z ${PROFILE} ]] ; then |
| # User gave us a full HOST-ver |
| x=${x##*/} |
| if [[ -f ${ENV_D}/${x} ]] ; then |
| # Valid HOST-ver yeah! |
| PROFILE=${x} |
| else |
| # Not a valid HOST-ver ... |
| if [[ ! -f ${ENV_D}/config-${x} ]] ; then |
| # Maybe they just gave us a ver ... |
| if [[ -f ${ENV_D}/${HOST}-${x} ]] ; then |
| x=${HOST}-${x} |
| else |
| die "could not locate '$x' in '${ENV_D}/'!" |
| fi |
| PROFILE=${x} |
| else |
| # Maybe they just gave us a target ... pick active profile |
| PROFILE=$(TARGET=${x} set_current_profile) |
| fi |
| fi |
| fi |
| ;; |
| *) |
| # lookup current profile as the user gave us a target |
| PROFILE=$(TARGET=${UARG:-${HOST}} set_current_profile) || exit 1 |
| ;; |
| esac |
| |
| eval ${DOIT} |
| |
| # vim:ts=4 |