1 files changed, 53 insertions, 0 deletions
diff --git a/llvm/lib/Support/Memory.cpp b/llvm/lib/Support/Memory.cpp
new file mode 100644
index 000000000000..581484268cd8
--- /dev/null
+++ b/llvm/lib/Support/Memory.cpp
@@ -0,0 +1,53 @@
+//===- Memory.cpp - Memory Handling Support ---------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines some helpful functions for allocating memory and dealing
+// with memory mapped files
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/Memory.h"
+#include "llvm/Config/llvm-config.h"
+#include "llvm/Support/Valgrind.h"
+
+#ifndef NDEBUG
+#include "llvm/Support/raw_ostream.h"
+#endif // ifndef NDEBUG
+
+// Include the platform-specific parts of this class.
+#ifdef LLVM_ON_UNIX
+#include "Unix/Memory.inc"
+#endif
+#ifdef _WIN32
+#include "Windows/Memory.inc"
+#endif
+
+#ifndef NDEBUG
+
+namespace llvm {
+namespace sys {
+
+raw_ostream &operator<<(raw_ostream &OS, const Memory::ProtectionFlags &PF) {
+  assert((PF & ~(Memory::MF_READ | Memory::MF_WRITE | Memory::MF_EXEC)) == 0 &&
+         "Unrecognized flags");
+
+  return OS << (PF & Memory::MF_READ ? 'R' : '-')
+            << (PF & Memory::MF_WRITE ? 'W' : '-')
+            << (PF & Memory::MF_EXEC ? 'X' : '-');
+}
+
+raw_ostream &operator<<(raw_ostream &OS, const MemoryBlock &MB) {
+  return OS << "[ " << MB.base() << " .. "
+            << (void *)((char *)MB.base() + MB.allocatedSize()) << " ] ("
+            << MB.allocatedSize() << " bytes)";
+}
+
+} // end namespace sys
+} // end namespace llvm
+
+#endif // ifndef NDEBUG