1 files changed, 30 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/systbl_chk.sh b/arch/powerpc/kernel/systbl_chk.sh
new file mode 100644
index 000000000..c7ac3ed65
--- /dev/null
+++ b/arch/powerpc/kernel/systbl_chk.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Just process the CPP output from systbl_chk.c and complain
+# if anything is out of order.
+#
+# Copyright © 2008 IBM Corporation
+#
+
+awk	'BEGIN { num = -1; }	# Ignore the beginning of the file
+	/^#/ { next; }
+	/^[ \t]*$/ { next; }
+	/^START_TABLE/ { num = 0; next; }
+	/^END_TABLE/ {
+		if (num != $2) {
+			printf "Error: NR_syscalls (%s) is not one more than the last syscall (%s)\n",
+				$2, num - 1;
+			exit(1);
+		}
+		num = -1;	# Ignore the rest of the file
+	}
+	{
+		if (num == -1) next;
+		if (($1 != -1) && ($1 != num)) {
+			printf "Error: Syscall %s out of order (expected %s)\n",
+				$1, num;
+			exit(1);
+		};
+		num++;
+	}' "$1"