Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/src/make-debug-archive.in b/src/make-debug-archive.in
new file mode 100644
index 0000000..c3fcbce
--- /dev/null
+++ b/src/make-debug-archive.in
@@ -0,0 +1,132 @@
+#!/bin/sh
+#
+# Script to make an offline archive for debugging with libdwfl-based tools.
+#
+# make-debug-archive ARCHIVE {options}
+# make-debug-archive --kernel [--force] [RELEASE]
+#
+# Valid options are those listed under 'Input selection options'
+# by running @UNSTRIP@ --help.
+#
+# The archive installed by --kernel be used automatically by -K.
+# An offline archive can be used via -e in any tool that accepts those options.
+#
+
+UNSTRIP=${UNSTRIP:-@UNSTRIP@}
+AR=${AR:-@AR@}
+SUDO=${SUDO:-/usr/bin/sudo}
+
+LS=/bin/ls
+RM=/bin/rm
+MV=/bin/mv
+MKDIR=/bin/mkdir
+XARGS=/usr/bin/xargs
+
+outdir=${TMPDIR:-/tmp}/debugar$$
+
+usage()
+{
+ echo "Usage: $0 ARCHIVE {options}"
+ echo " or: $0 --kernel [--sudo] [--force] [RELEASE]"
+ echo
+ echo "Valid options are listed under 'Input selection options'"
+ echo "when running: $UNSTRIP --help"
+ echo
+ echo "The --kernel form updates the file used by -K if the"
+ echo "kernel installation has changed, or always with --force."
+ echo "With --sudo, touches the installed file via $SUDO."
+}
+
+fatal_usage()
+{
+ usage >&2
+ exit 2
+}
+
+script_version()
+{
+ echo "`basename $0` (@PACKAGE_NAME@) @PACKAGE_VERSION@"
+ echo "Copyright (C) 2007 Red Hat, Inc."
+ echo "This is free software; see the source for copying conditions."
+ echo "There is NO warranty; not even for MERCHANTABILITY or"
+ echo "FITNESS FOR A PARTICULAR PURPOSE."
+ echo "Written by Roland McGrath."
+}
+
+sudo=
+kernel=no
+force_kernel=no
+while [ $# -gt 0 ]; do
+ case "x$1" in
+ x--help) usage; exit 0 ;;
+ x--version) script_version; exit 0 ;;
+ x--kernel) kernel=yes ;;
+ x--force) force_kernel=yes ;;
+ x--sudo) sudo=$SUDO ;;
+ *) break ;;
+ esac
+ shift
+done
+
+if [ $kernel = no ] && [ $force_kernel = yes -o -n "$sudo" ]; then
+ usage
+fi
+
+if [ $kernel = yes ]; then
+ if [ $# -eq 0 ]; then
+ release=`uname -r`
+ elif [ $# -eq 1 ]; then
+ release=$1
+ else
+ fatal_usage
+ fi
+
+ dir=/usr/lib/debug/lib/modules/$release
+ archive=$dir/debug.a
+ dep=/lib/modules/$release/modules.dep
+
+ if [ ! -d $dir ]; then
+ echo >&2 "$0: $dir not installed"
+ exit 1
+ fi
+
+ # Without --force, bail if the kernel installation is not newer.
+ # This file is normally touched by installing new kernels or modules.
+ if [ $force_kernel = no -a "$archive" -nt "$dep" ]; then
+ exit 0
+ fi
+
+ # We have to kill the old one first, because our own -K would use it.
+ [ ! -e "$archive" ] || $sudo $RM -f "$archive" || exit
+
+ set "$archive" "-K$release"
+fi
+
+if [ $# -lt 2 ]; then
+ fatal_usage
+fi
+
+archive="$1"
+shift
+
+case "$archive" in
+/*) ;;
+*) archive="`/bin/pwd`/$archive" ;;
+esac
+
+if [ -z "$sudo" ]; then
+ new_archive="$archive.new"
+else
+ new_archive="$outdir.a"
+fi
+
+$RM -f "$new_archive" || exit
+
+trap '$RM -rf "$outdir" "$new_archive"' 0 1 2 15
+
+$MKDIR "$outdir" &&
+$UNSTRIP -d "$outdir" -m -a -R "$@" &&
+(cd "$outdir" && $LS | $XARGS $AR cq "$new_archive") &&
+$sudo $MV -f "$new_archive" "$archive"
+
+exit