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 31 namespace llvm { 32 namespace sys { 33 34 raw_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 43 raw_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