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
17#ifndef NDEBUG
18#include "llvm/Support/raw_ostream.h"
19#endif // ifndef NDEBUG
20
21// Include the platform-specific parts of this class.
22#ifdef LLVM_ON_UNIX
23#include "Unix/Memory.inc"
24#endif
25#ifdef _WIN32
26#include "Windows/Memory.inc"
27#endif
28
29#ifndef NDEBUG
30
31namespace llvm {
32namespace sys {
33
34raw_ostream &operator<<(raw_ostream &OS, const Memory::ProtectionFlags &PF) {
35 assert((PF & ~(Memory::MF_READ | Memory::MF_WRITE | Memory::MF_EXEC)) == 0 &&
36 "Unrecognized flags");
37
38 return OS << (PF & Memory::MF_READ ? 'R' : '-')
39 << (PF & Memory::MF_WRITE ? 'W' : '-')
40 << (PF & Memory::MF_EXEC ? 'X' : '-');
41}
42
43raw_ostream &operator<<(raw_ostream &OS, const MemoryBlock &MB) {
44 return OS << "[ " << MB.base() << " .. "
45 << (void *)((char *)MB.base() + MB.allocatedSize()) << " ] ("
46 << MB.allocatedSize() << " bytes)";
47}
48
49} // end namespace sys
50} // end namespace llvm
51
52#endif // ifndef NDEBUG
53