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-rwxr-xr-xlib/romlib/gentbl.sh40
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/romlib/gentbl.sh b/lib/romlib/gentbl.sh
new file mode 100755
index 00000000..0695f6e4
--- /dev/null
+++ b/lib/romlib/gentbl.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+# Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+set -e
+
+output=jmptbl.s
+
+for i
+do
+ case $i in
+ -o)
+ output=$2
+ shift 2
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ echo usage: gentbl.sh [-o output] file ... >&2
+ exit 1
+ ;;
+ esac
+done
+
+tmp=`mktemp`
+trap "rm -f $tmp" EXIT INT QUIT
+
+rm -f $output
+
+awk -v OFS="\n" '
+BEGIN {print "\t.text",
+ "\t.globl\tjmptbl",
+ "jmptbl:"}
+ {sub(/[:blank:]*#.*/,"")}
+!/^$/ {print "\tb\t" $3}' "$@" > $tmp
+
+mv $tmp $output