| #!/bin/bash |
| # Copyright 1999-2019 Gentoo Authors |
| # Distributed under the terms of the GNU General Public License v2 |
| |
| # Format of /etc/env.d/binutils/: |
| # config-TARGET: CURRENT=version for TARGET |
| # TARGET-VER: has a TARGET and VER variable |
| |
| EPREFIX="@GENTOO_PORTAGE_EPREFIX@" |
| if [[ ${EPREFIX} == "@"GENTOO_PORTAGE_EPREFIX"@" ]] ; then |
| EPREFIX="" |
| fi |
| |
| : ${ROOT:=/} |
| [[ ${ROOT} != */ ]] && ROOT="${ROOT}/" |
| [[ ${ROOT} != /* ]] && ROOT="${PWD%/}/${ROOT}" |
| |
| EROOT="${ROOT%/}${EPREFIX}/" |
| |
| cd "${EPREFIX}/" |
| |
| trap ":" INT QUIT TSTP |
| |
| argv0=${0##*/} |
| FUNCTIONS_SH="${EPREFIX}/lib/gentoo/functions.sh" |
| source ${FUNCTIONS_SH} || { |
| echo "${argv0}: Could not source ${FUNCTIONS_SH}!" 1>&2 |
| exit 1 |
| } |
| esyslog() { :; } |
| die() { eerror "${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 |
| |
| 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 |
| 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 |
| |
| # |
| # Generate binary symlinks |
| # |
| BINPATH="" |
| BINPATH_LINKS="" |
| if [[ ${TARGET} != ${HOST} ]] ; then |
| # |
| # Newer paths: /usr/${HOST}/${TARGET}/... |
| # Older paths: /usr/${TARGET}/... |
| # |
| if [[ -d "${EROOT}"/usr/${HOST}/${TARGET}/binutils-bin/${VER} ]] ; then |
| BINPATH="${EPREFIX}"/usr/${HOST}/${TARGET}/binutils-bin/${VER} |
| BINPATH_LINKS="${EPREFIX}"/usr/libexec/gcc/${TARGET} |
| fi |
| fi |
| if [[ -z ${BINPATH} ]] ; then |
| BINPATH="${EPREFIX}"/usr/${TARGET}/binutils-bin/${VER} |
| BINPATH_LINKS="${EPREFIX}"/usr/${TARGET}/bin |
| fi |
| } |
| |
| # Lists of headers that various versions have installed. |
| HEADERS=( |
| ansidecl.h bfd.h bfdlink.h demangle.h dis-asm.h dyn-string.h |
| fibheap.h hashtab.h libiberty.h objalloc.h plugin-api.h |
| splay-tree.h symcat.h |
| ) |
| |
| switch_profile() { |
| local x |
| |
| ebegin "Switching to ${PROFILE}" |
| |
| setup_env || return 1 |
| |
| cd "${ROOT}/${BINPATH}" || exit 1 |
| mkdir -p "${ROOT}/${BINPATH_LINKS}" "${EROOT}/usr/bin" |
| for x in * ; do |
| atomic_ln "${BINPATH}/${x}" "${ROOT}/${BINPATH_LINKS}" "${x}" |
| atomic_ln "${BINPATH_LINKS}/${x}" "${EROOT}/usr/bin" "${TARGET}-${x}" |
| if [[ ${TARGET} == ${HOST} ]] ; then |
| atomic_ln "${TARGET}-${x}" "${EROOT}/usr/bin" "${x}" |
| fi |
| done |
| |
| # |
| # Generate library / ldscripts symlinks |
| # |
| : ${LIBPATH:=${EPREFIX}/usr/lib/binutils/${TARGET}/${VER}} |
| cd "${ROOT}/${LIBPATH}" || exit 1 |
| if [[ ${TARGET} == ${HOST} ]] ; then |
| dstlib=${EROOT}/usr/${HOST}/lib |
| else |
| dstlib=${EROOT}/usr/${HOST}/${TARGET}/lib |
| fi |
| # When upgrading, we need to clean up ldscripts and libs. |
| # Don't symlink back in the libs -- the binutils-lib package handles |
| # these now. |
| # TODO: Stop requiring even the ldscripts symlink. |
| mkdir -p "${dstlib}" |
| rm -rf "${ROOT}/${BINPATH_LINKS}"/ldscripts |
| atomic_ln "${LIBPATH}/ldscripts" "${dstlib}" "ldscripts" |
| find -L "${dstlib}" -xtype l -name 'lib*' -delete |
| # Detect older binutils w/broken rpaths. #562460 |
| # We can hardcode the "/lib" part since that's what the binutils |
| # configure scripts have. They did not include any other path. |
| if [[ $(scanelf -qF '%r#F' "${ROOT}/${BINPATH}/as") == */lib ]] ; then |
| ewarn "Old cross-binutils detected; please re-emerge to fix (see bug #562460)." |
| for x in lib* ; do |
| atomic_ln "${LIBPATH}/${x}" "${dstlib}" "${x}" |
| done |
| fi |
| |
| # |
| # Clean out old generated include symlinks |
| # |
| INCPATH=${LIBPATH}/include |
| if [[ -d ${ROOT}/${INCPATH} ]] ; then |
| cd "${ROOT}/${INCPATH}" || exit 1 |
| if [[ ${HOST} != ${TARGET} ]] ; then |
| # Clean out old path -- cannot use '-exec {} +' syntax here |
| find . -type f -exec rm -f "${EROOT}/usr/${TARGET}/usr/include/{}" \; |
| rmdir "${EROOT}/usr/${TARGET}/usr/include" >& /dev/null |
| rmdir "${EROOT}/usr/${TARGET}/usr" >& /dev/null |
| rmdir "${EROOT}/usr/${TARGET}" >& /dev/null |
| fi |
| fi |
| |
| # |
| # Make sure proper paths get updated |
| # |
| local env_update_flag="--no-ldconfig" |
| if [[ ${TARGET} == ${HOST} ]] ; then |
| # Delete old config now that binutils-libs installs these files. |
| # Note: This skips ldconfig update if env.d had LDPATH, but meh. |
| # Most people have upgraded to ld.so.conf.d, and someone else will |
| # eventually re-run ldconfig for us. |
| x="${EROOT}"/etc/ld.so.conf.d/05binutils.conf |
| if [[ -e ${x} ]]; then |
| rm -f "${x}" |
| env_update_flag="" |
| fi |
| |
| DATAPATH="${EPREFIX}"/usr/share/binutils-data/${TARGET}/${VER} |
| local e="${EROOT}"/etc/env.d/05binutils |
| local ee="${e}.tmp" |
| rm -f "${ee}" |
| [[ -d ${ROOT}/${DATAPATH}/man ]] && echo "MANPATH=${DATAPATH}/man" >> "${ee}" |
| [[ -d ${ROOT}/${DATAPATH}/info ]] && echo "INFOPATH=${DATAPATH}/info" >> "${ee}" |
| 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 ${env_update_flag} |
| echo |
| ewarn "Please remember to run:" |
| echo |
| ewarn " # . ${EPREFIX}/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-${TARGET} |
| |
| local x |
| for x in \ |
| addr2line ar as c++filt dwp elf2flt elfedit flthdr gprof \ |
| ld ld.{bfd,gold,real} \ |
| nm objcopy objdump ranlib readelf size strings strip |
| do |
| x=( |
| "${EROOT}"/usr/bin/${TARGET}-${x} |
| "${EROOT}"/usr/{${HOST}/,}${TARGET}/bin/${x} |
| "${EROOT}"/usr/libexec/gcc/${TARGET}/${x} |
| ) |
| rm -f "${x[@]}" |
| done |
| for x in "${HEADERS[@]}" ; do |
| rm -f "${EROOT}"/usr/{${HOST}/,}${TARGET}/{usr/,}include/${x} |
| done |
| for x in bfd iberty opcodes ; do |
| rm -f "${EROOT}"/usr/${HOST}/${TARGET}/lib/lib${x}{{-*,}.so,.a,.la} |
| done |
| # Delete broken symlinks |
| local destdir="${EROOT}/usr/${HOST}/${TARGET}" |
| rm -f "${destdir}"/lib/ldscripts |
| find -L "${destdir}"/lib -type l -exec rm {} + |
| rmdir \ |
| "${destdir}"/{bin,include,lib,usr} \ |
| "${destdir}" \ |
| "${EROOT}"/var/db/pkg/cross-${TARGET} \ |
| "${EROOT}"/usr/{${HOST}/,}${TARGET}/bin \ |
| "${EROOT}"/usr/libexec/gcc/${TARGET} \ |
| 2>/dev/null |
| |
| rm -f "${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 |
| } |
| |
| set_HOST() { |
| # Set HOST to CHOST if it isn't already set |
| : ${HOST:=${CHOST:-$(portageq envvar CHOST)}} |
| } |
| |
| ENV_D="${EROOT}etc/env.d/binutils" |
| |
| DEBUG="no" |
| NEED_ACTION="yes" |
| DOIT="switch_profile" |
| PROFILE="current" |
| 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 ${x} in |
| -c|--get-current-profile) select_action get_current_profile ;; |
| -l|--list|--list-profiles) select_action list_profiles ;; |
| -u|--uninstall) select_action uninstall_target ;; |
| -d|--debug) DEBUG="yes" ;; |
| -h|--help) usage 0 ;; |
| -V|--version) |
| ver="@PV@" |
| echo "binutils-config-${ver/@'PV'@/git}" |
| exit 0 |
| ;; |
| -*) |
| 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 ${DOIT} in |
| switch_profile) |
| # decode user's profile choice |
| x=${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 |