1 files changed, 92 insertions, 0 deletions
diff --git a/src/oh-strip.sh b/src/oh-strip.sh
new file mode 100644
index 0000000..c03fb43
--- /dev/null
+++ b/src/oh-strip.sh
@@ -0,0 +1,92 @@
+#! /bin/sh
+#
+# opkhelper
+# src/oh-strip
+# Strip binary objects of symbols.
+#
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+print_usage()
+{
+	printf 'Usage: %s [-g] [-l] binaryfile...\n' "$1"
+}
+
+error()
+{
+	printf 'oh-strip: Error: %s\n' "${1}"
+	exit 1
+}
+
+opts=$(getopt -n "${0}" -o 'gl' -- "${@}")
+if [ ${?} -ne 0 ]; then
+	print_usage "${0}" >&2
+	exit 1;
+fi
+eval set -- "${opts}"
+while true; do
+	case "${1}" in
+		-g)
+			make_dbg_obj=true
+			shift
+			;;
+		-l)
+			is_lib=true
+			shift
+			;;
+		--)
+			shift
+			break
+			;;
+		*)
+			print_usage "${0}" >&2
+			exit 1
+			;;
+	esac
+done
+
+if [ -z "${make_dbg_obj}" ]; then
+	make_dbg_obj=false
+fi
+if [ -z "${is_lib}" ]; then
+	is_lib=false
+fi
+
+if [ ${#} -eq 0 ]; then
+	print_usage ${0} >&2
+	exit 1
+fi
+
+# Iterate over object files.
+while [ ${#} -gt 0 ]; do
+	printf 'oh-strip: Stripping symbols from file "%s"...\n' "${1}"
+
+	if ${make_dbg_obj}; then
+		# Copy debugging symbols into a debugging object file and add a GDB link
+		# from the original object file to the debugging object file.
+		mkdir -p "$(dirname "dest/usr/lib/debug/${1}")" || \
+			error 'Cannot make directory path to debugging object'
+		objcopy --only-keep-debug --compress-debug-sections "dest/${1}" \
+			"dest/usr/lib/debug/${1}" || error 'Cannot make debugging object'
+		objcopy --add-gnu-debuglink="dest/usr/lib/debug/${1}" "dest/${1}" || \
+			error 'Cannot add GDB link'
+		chmod 644 "dest/usr/lib/debug/${1}" || \
+			error 'Cannot set mode on debugging object'
+	fi
+	# Strip the object file of symbols.
+	# TODO: If the file is not a library, strip it of all symbols.
+	strip -g "dest/${1}" || error 'Cannot strip object'
+	shift
+done