1 files changed, 45 insertions, 0 deletions
diff --git a/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl b/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl
new file mode 100755
index 0000000000..c10ad3580a
--- /dev/null
+++ b/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl
@@ -0,0 +1,45 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Generate system call table for perf. Derived from
+# powerpc script.
+#
+# Author(s):  Ming Wang <wangming01@loongson.cn>
+# Author(s):  Huacai Chen <chenhuacai@loongson.cn>
+# Copyright (C) 2020-2023 Loongson Technology Corporation Limited
+
+gcc=$1
+hostcc=$2
+incpath=$3
+input=$4
+
+if ! test -r $input; then
+	echo "Could not read input file" >&2
+	exit 1
+fi
+
+create_sc_table()
+{
+	local sc nr max_nr
+
+	while read sc nr; do
+		printf "%s\n" "	[$nr] = \"$sc\","
+		max_nr=$nr
+	done
+
+	echo "#define SYSCALLTBL_LOONGARCH_MAX_ID $max_nr"
+}
+
+create_table()
+{
+	echo "#include \"$input\""
+	echo "static const char *const syscalltbl_loongarch[] = {"
+	create_sc_table
+	echo "};"
+}
+
+$gcc -E -dM -x c -I $incpath/include/uapi $input \
+	|awk '$2 ~ "__NR" && $3 !~ "__NR3264_" {
+		sub("^#define __NR(3264)?_", "");
+		print | "sort -k2 -n"}' \
+	|create_table