| 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 |