--- a/leo-obj/tool/ln.c	Thu May 01 00:23:18 2014 +0000
+++ b/leo-obj/tool/ln.c	Thu May 01 01:01:58 2014 +0000
@@ -31,3 +31,39 @@
 	}
 	exit(0);
 }
+
+get_lineno_addrs(sec, arr_rtn, count_rtn)
+	struct internal_scnhdr *sec;
+	unsigned **arr_rtn, *count_rtn;
+{
+	unsigned *array, cur, last;
+	unsigned n, m;
+	u_char *rec;
+
+	array = malloc(sizeof(unsigned) * sec->nlineent);
+	if (!array) {
+		perror("malloc");
+		exit(1);
+	}
+	m = 0;
+	rec = filemap + sec->line_offset;
+	for (n = 0; n < sec->nlineent; n++, rec += 6) {
+		if (!get_u16(rec + 4))
+			continue;
+		cur = get_u32(rec);
+		if (m) {
+			if (cur < last) {
+				fprintf(stderr,
+		"error: line # addresses in section %s going backward\n",
+					sec->name);
+				exit(1);
+			}
+			if (cur == last)
+				continue;
+		}
+		array[m++] = cur;
+		last = cur;
+	}
+	*arr_rtn = array;
+	*count_rtn = m;
+}