#!/bin/sh
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#
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# Script to make an offline archive for debugging with libdwfl-based tools.
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#
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# make-debug-archive ARCHIVE {options}
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# make-debug-archive --kernel [--force] [RELEASE]
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#
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# Valid options are those listed under 'Input selection options'
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# by running @UNSTRIP@ --help.
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#
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# The archive installed by --kernel be used automatically by -K.
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# An offline archive can be used via -e in any tool that accepts those options.
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#
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UNSTRIP=${UNSTRIP:-@UNSTRIP@}
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AR=${AR:-@AR@}
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SUDO=${SUDO:-/usr/bin/sudo}
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LS=/bin/ls
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RM=/bin/rm
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MV=/bin/mv
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MKDIR=/bin/mkdir
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XARGS=/usr/bin/xargs
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outdir=${TMPDIR:-/tmp}/debugar$$
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usage()
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{
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echo "Usage: $0 ARCHIVE {options}"
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echo " or: $0 --kernel [--sudo] [--force] [RELEASE]"
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echo
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echo "Valid options are listed under 'Input selection options'"
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echo "when running: $UNSTRIP --help"
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echo
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echo "The --kernel form updates the file used by -K if the"
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echo "kernel installation has changed, or always with --force."
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echo "With --sudo, touches the installed file via $SUDO."
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}
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fatal_usage()
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{
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usage >&2
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exit 2
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}
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script_version()
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{
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echo "`basename $0` (@PACKAGE_NAME@) @PACKAGE_VERSION@"
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echo "Copyright (C) 2007 Red Hat, Inc."
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echo "This is free software; see the source for copying conditions."
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echo "There is NO warranty; not even for MERCHANTABILITY or"
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echo "FITNESS FOR A PARTICULAR PURPOSE."
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echo "Written by Roland McGrath."
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}
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sudo=
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kernel=no
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force_kernel=no
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while [ $# -gt 0 ]; do
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case "x$1" in
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x--help) usage; exit 0 ;;
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x--version) script_version; exit 0 ;;
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x--kernel) kernel=yes ;;
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x--force) force_kernel=yes ;;
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x--sudo) sudo=$SUDO ;;
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*) break ;;
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esac
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shift
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done
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if [ $kernel = no ] && [ $force_kernel = yes -o -n "$sudo" ]; then
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usage
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fi
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if [ $kernel = yes ]; then
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if [ $# -eq 0 ]; then
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release=`uname -r`
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elif [ $# -eq 1 ]; then
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release=$1
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else
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fatal_usage
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fi
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dir=/usr/lib/debug/lib/modules/$release
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archive=$dir/debug.a
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dep=/lib/modules/$release/modules.dep
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if [ ! -d $dir ]; then
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echo >&2 "$0: $dir not installed"
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exit 1
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fi
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# Without --force, bail if the kernel installation is not newer.
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# This file is normally touched by installing new kernels or modules.
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if [ $force_kernel = no -a "$archive" -nt "$dep" ]; then
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exit 0
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fi
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# We have to kill the old one first, because our own -K would use it.
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[ ! -e "$archive" ] || $sudo $RM -f "$archive" || exit
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set "$archive" "-K$release"
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fi
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if [ $# -lt 2 ]; then
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fatal_usage
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fi
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archive="$1"
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shift
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case "$archive" in
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/*) ;;
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*) archive="`/bin/pwd`/$archive" ;;
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esac
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if [ -z "$sudo" ]; then
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new_archive="$archive.new"
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else
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new_archive="$outdir.a"
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fi
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$RM -f "$new_archive" || exit
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trap '$RM -rf "$outdir" "$new_archive"' 0 1 2 15
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$MKDIR "$outdir" &&
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$UNSTRIP -d "$outdir" -m -a -R "$@" &&
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(cd "$outdir" && $LS | $XARGS $AR cq "$new_archive") &&
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$sudo $MV -f "$new_archive" "$archive"
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exit
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