1//===- Memory.cpp - Memory Handling Support ---------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file defines some helpful functions for allocating memory and dealing
10// with memory mapped files
11//
12//===----------------------------------------------------------------------===//
13
14#include "llvm/Support/Memory.h"
15#include "llvm/Config/llvm-config.h"
16#include "llvm/Support/Valgrind.h"
17
18#ifndef NDEBUG
19#include "llvm/Support/raw_ostream.h"
20#endif // ifndef NDEBUG
21
22// Include the platform-specific parts of this class.
23#ifdef LLVM_ON_UNIX
24#include "Unix/Memory.inc"
25#endif
26#ifdef _WIN32
27#include "Windows/Memory.inc"
28#endif
29
30#ifndef NDEBUG
31
32namespace llvm {
33namespace sys {
34
35raw_ostream &operator<<(raw_ostream &OS, const Memory::ProtectionFlags &PF) {
36  assert((PF & ~(Memory::MF_READ | Memory::MF_WRITE | Memory::MF_EXEC)) == 0 &&
37         "Unrecognized flags");
38
39  return OS << (PF & Memory::MF_READ ? 'R' : '-')
40            << (PF & Memory::MF_WRITE ? 'W' : '-')
41            << (PF & Memory::MF_EXEC ? 'X' : '-');
42}
43
44raw_ostream &operator<<(raw_ostream &OS, const MemoryBlock &MB) {
45  return OS << "[ " << MB.base() << " .. "
46            << (void *)((char *)MB.base() + MB.allocatedSize()) << " ] ("
47            << MB.allocatedSize() << " bytes)";
48}
49
50} // end namespace sys
51} // end namespace llvm
52
53#endif // ifndef NDEBUG
54