1 files changed, 27 insertions, 0 deletions
diff --git a/src/crc32c_arm64.h b/src/crc32c_arm64.h
new file mode 100644
index 0000000000..100cd56ec8
--- /dev/null
+++ b/src/crc32c_arm64.h
@@ -0,0 +1,27 @@
+// Copyright 2017 The CRC32C Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file. See the AUTHORS file for names of contributors.
+
+// Linux-specific code checking the availability for ARM CRC32C instructions.
+
+#ifndef CRC32C_CRC32C_ARM_LINUX_H_
+#define CRC32C_CRC32C_ARM_LINUX_H_
+
+#include <cstddef>
+#include <cstdint>
+
+#ifdef CRC32C_HAVE_CONFIG_H
+#include "crc32c/crc32c_config.h"
+#endif
+
+#if HAVE_ARM64_CRC32C
+
+namespace crc32c {
+
+uint32_t ExtendArm64(uint32_t crc, const uint8_t* data, size_t count);
+
+}  // namespace crc32c
+
+#endif  // HAVE_ARM64_CRC32C
+
+#endif  // CRC32C_CRC32C_ARM_LINUX_H_