You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
480 lines
12 KiB
480 lines
12 KiB
#!/bin/bash
|
|
# Copyright 1999-2015 Gentoo Foundation
|
|
# Distributed under the terms of the GNU General Public License v2
|
|
# $Id$
|
|
|
|
# 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##*/}
|
|
FUNCTIONS_SH="/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
|
|
|
|
${HILITE}General Cruft:${NORMAL}
|
|
${GOOD}--linker${NORMAL} <linker> Switch to specified linker (if supported)
|
|
|
|
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 ${ROOT}/usr/${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
|
|
}
|
|
|
|
# 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}/${BINPATH_LINKS}" "${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}"
|
|
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.
|
|
# 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*' -exec rm -f {} +
|
|
|
|
#
|
|
# Clean out old generated include symlinks
|
|
#
|
|
INCPATH=${LIBPATH}/include
|
|
if [[ -d ${ROOT}/${INCPATH} ]] ; then
|
|
cd "${ROOT}/${INCPATH}" || exit 1
|
|
if [[ ${HOST} == ${TARGET} ]] ; then
|
|
# The binutils-lib package handles these files now.
|
|
for x in libiberty "${HEADERS[@]}" ; do
|
|
x="${ROOT}/usr/include/${x}"
|
|
if [[ -L ${x} ]] ; then
|
|
rm "${x}"
|
|
fi
|
|
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
|
|
#
|
|
local env_update_flag="--no-ldconfig"
|
|
if [[ ${TARGET} == ${HOST} ]] ; then
|
|
# Delete old config now that binutils-libs installs these files.
|
|
# Note: This skips ldconfig update if env.d had LDPATH, but meh.
|
|
# Most people have upgraded to ld.so.conf.d, and someone else will
|
|
# eventually re-run ldconfig for us.
|
|
x="${ROOT}"/etc/ld.so.conf.d/05binutils.conf
|
|
if [[ -e ${x} ]]; then
|
|
rm -f "${x}"
|
|
env_update_flag=""
|
|
fi
|
|
|
|
DATAPATH=/usr/share/binutils-data/${TARGET}/${VER}
|
|
local e="${ROOT}"/etc/env.d/05binutils
|
|
local ee="${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 " # . /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-${TARGET}
|
|
|
|
local x
|
|
for x in \
|
|
addr2line ar as c++filt dwp elf2flt elfedit flthdr gprof \
|
|
ld ld.{bfd,gold,real} \
|
|
nm objcopy objdump ranlib readelf size strings strip
|
|
do
|
|
x=(
|
|
"${ROOT}"/usr/bin/${TARGET}-${x}
|
|
"${ROOT}"/usr/{${HOST}/,}${TARGET}/bin/${x}
|
|
"${ROOT}"/usr/libexec/gcc/${TARGET}/${x}
|
|
)
|
|
rm -f "${x[@]}"
|
|
done
|
|
for x in "${HEADERS[@]}" ; do
|
|
rm -f "${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} \
|
|
"${ROOT}"/usr/{${HOST}/,}${TARGET}/bin \
|
|
"${ROOT}"/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
|
|
}
|
|
|
|
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"
|
|
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 $1"; shift ;;
|
|
-d|--debug) DEBUG="yes" ;;
|
|
-h|--help) usage 0 ;;
|
|
-V|--version)
|
|
unset Header
|
|
cvsver="$Id$"
|
|
cvsver=${cvsver##*binutils-config-}
|
|
bver=${cvsver%%,v *}
|
|
cvsver=${cvsver#* }
|
|
echo "binutils-config-${bver} (r${cvsver%% *})"
|
|
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 ${DOIT} in
|
|
switch_profile|switch_linker_*)
|
|
# decode user's profile choice
|
|
x=${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
|