1 files changed, 102 insertions, 0 deletions
diff --git a/scripts/extsymsize.sh b/scripts/extsymsize.sh
new file mode 100755
index 0000000..b73a216
--- /dev/null
+++ b/scripts/extsymsize.sh
@@ -0,0 +1,102 @@
+#!/bin/bash
+NB_SYMTABS=0
+declare -a FMT_HEADERS
+FMT_HEADERS=(
+	"size"
+	"type"
+	"name"
+)
+
+#
+# \param 1: re of the line to skip to
+skip_to () {
+	while read l; do
+		if echo "$l" | egrep -q "$1"; then
+			return 0
+		fi
+	done
+	return 1
+}
+
+#
+# \param *: message
+echo_err () {
+	echo $@ >&2
+}
+
+#
+# \param 1: (optional)message
+# \param 2: (optional)exit code
+die () {
+	local ec
+
+	if [ ! -z "$1" ]; then
+		echo_err "$1" >&2
+	fi
+	if [ -z "$2" ]; then
+		ec=1
+	else
+		ec="$2"
+	fi
+	exit $ec
+}
+
+while skip_to "^[Ss]ymbol table '(\\.|\\w)+' contains [0-9]+ entries:\$"; do
+	unset idx_map name_map
+	declare -A idx_map name_map
+
+	if ! read l; then
+		die "Unexpected EOF"
+	fi
+	let 'NB_SYMTABS += 1'
+
+	i=0
+	for h in $l; do
+		h="${h,,}"
+
+		case "$h" in
+		"num") idx_map["$h"]=$i ;;
+		"value") idx_map["$h"]=$i ;;
+		"size") idx_map["$h"]=$i ;;
+		"type") idx_map["$h"]=$i ;;
+		"bind") idx_map["$h"]=$i ;;
+		"vis") idx_map["$h"]=$i ;;
+		"ndx") idx_map["$h"]=$i ;;
+		"name") idx_map["$h"]=$i ;;
+		esac
+		name_map["$i"]="$h"
+		let 'i += 1'
+	done
+
+	for i in ${FMT_HEADERS[@]}; do
+		if [ -z ${idx_map["$i"]} ]; then
+			echo_err "Missing header in symbol table: ${FMT_HEADERS["$i"]}"
+			die "Headers required in symbol table: ${FMT_HEADERS[*]}"
+		fi
+	done
+
+	while read l && [ ! -z "$l" ]; do
+		unset size type name
+
+		i=0
+		for w in $l; do
+			case "${name_map[$i]}" in
+			"size") size="$w" ;;
+			"type") type="$w" ;;
+			"name") name="$w" ;;
+			"") die "Format error." ;;
+			esac
+			let 'i += 1'
+		done
+
+		if [ "$size" -eq 0 ]; then
+			continue
+		fi
+		printf "%10u %c %s\n" $size ${type:0:1} $name
+	done
+done
+
+if [ $NB_SYMTABS -eq 0 ]; then
+	die "No symbol table found."
+fi
+exit 0