1 files changed, 32 insertions, 0 deletions
diff --git a/lld/include/lld/Common/Arrays.h b/lld/include/lld/Common/Arrays.h
new file mode 100644
index 000000000000..b4c25ec57ca8
--- /dev/null
+++ b/lld/include/lld/Common/Arrays.h
@@ -0,0 +1,32 @@
+//===- Arrays.h ------------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLD_ARRAYS_H
+#define LLD_ARRAYS_H
+
+#include "llvm/ADT/ArrayRef.h"
+
+#include <vector>
+
+namespace lld {
+// Split one uint8 array into small pieces of uint8 arrays.
+inline std::vector<llvm::ArrayRef<uint8_t>> split(llvm::ArrayRef<uint8_t> arr,
+                                                  size_t chunkSize) {
+  std::vector<llvm::ArrayRef<uint8_t>> ret;
+  while (arr.size() > chunkSize) {
+    ret.push_back(arr.take_front(chunkSize));
+    arr = arr.drop_front(chunkSize);
+  }
+  if (!arr.empty())
+    ret.push_back(arr);
+  return ret;
+}
+
+} // namespace lld
+
+#endif