xref: /src/contrib/llvm-project/llvm/lib/Support/Memory.cpp (revision 81ad626541db97eb356e2c1d4a20eb2a26a766ab)
1cf099d11SDimitry Andric //===- Memory.cpp - Memory Handling Support ---------------------*- C++ -*-===//
2cf099d11SDimitry Andric //
3e6d15924SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4e6d15924SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5e6d15924SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6cf099d11SDimitry Andric //
7cf099d11SDimitry Andric //===----------------------------------------------------------------------===//
8cf099d11SDimitry Andric //
9cf099d11SDimitry Andric // This file defines some helpful functions for allocating memory and dealing
10cf099d11SDimitry Andric // with memory mapped files
11cf099d11SDimitry Andric //
12cf099d11SDimitry Andric //===----------------------------------------------------------------------===//
13cf099d11SDimitry Andric 
14cf099d11SDimitry Andric #include "llvm/Support/Memory.h"
15eb11fae6SDimitry Andric #include "llvm/Config/llvm-config.h"
16cf099d11SDimitry Andric 
17e6d15924SDimitry Andric #ifndef NDEBUG
18e6d15924SDimitry Andric #include "llvm/Support/raw_ostream.h"
19e6d15924SDimitry Andric #endif // ifndef NDEBUG
20e6d15924SDimitry Andric 
21cf099d11SDimitry Andric // Include the platform-specific parts of this class.
22cf099d11SDimitry Andric #ifdef LLVM_ON_UNIX
23cf099d11SDimitry Andric #include "Unix/Memory.inc"
24cf099d11SDimitry Andric #endif
25eb11fae6SDimitry Andric #ifdef _WIN32
26cf099d11SDimitry Andric #include "Windows/Memory.inc"
27cf099d11SDimitry Andric #endif
28e6d15924SDimitry Andric 
29e6d15924SDimitry Andric #ifndef NDEBUG
30e6d15924SDimitry Andric 
31e6d15924SDimitry Andric namespace llvm {
32e6d15924SDimitry Andric namespace sys {
33e6d15924SDimitry Andric 
operator <<(raw_ostream & OS,const Memory::ProtectionFlags & PF)34e6d15924SDimitry Andric raw_ostream &operator<<(raw_ostream &OS, const Memory::ProtectionFlags &PF) {
35e6d15924SDimitry Andric   assert((PF & ~(Memory::MF_READ | Memory::MF_WRITE | Memory::MF_EXEC)) == 0 &&
36e6d15924SDimitry Andric          "Unrecognized flags");
37e6d15924SDimitry Andric 
38e6d15924SDimitry Andric   return OS << (PF & Memory::MF_READ ? 'R' : '-')
39e6d15924SDimitry Andric             << (PF & Memory::MF_WRITE ? 'W' : '-')
40e6d15924SDimitry Andric             << (PF & Memory::MF_EXEC ? 'X' : '-');
41e6d15924SDimitry Andric }
42e6d15924SDimitry Andric 
operator <<(raw_ostream & OS,const MemoryBlock & MB)43e6d15924SDimitry Andric raw_ostream &operator<<(raw_ostream &OS, const MemoryBlock &MB) {
44e6d15924SDimitry Andric   return OS << "[ " << MB.base() << " .. "
45e6d15924SDimitry Andric             << (void *)((char *)MB.base() + MB.allocatedSize()) << " ] ("
46e6d15924SDimitry Andric             << MB.allocatedSize() << " bytes)";
47e6d15924SDimitry Andric }
48e6d15924SDimitry Andric 
49e6d15924SDimitry Andric } // end namespace sys
50e6d15924SDimitry Andric } // end namespace llvm
51e6d15924SDimitry Andric 
52e6d15924SDimitry Andric #endif // ifndef NDEBUG
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