LLVM  16.0.0git
Memory.cpp
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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
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 
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 
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
llvm::sys::Memory::MF_READ
@ MF_READ
Definition: Memory.h:55
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
llvm::sys::Memory::MF_WRITE
@ MF_WRITE
Definition: Memory.h:56
llvm::sys::MemoryBlock
This class encapsulates the notion of a memory block which has an address and a size.
Definition: Memory.h:31
Memory.inc
llvm::sys::Memory::ProtectionFlags
ProtectionFlags
Definition: Memory.h:54
llvm::raw_ostream
This class implements an extremely fast bulk output stream that can only output to a stream.
Definition: raw_ostream.h:53
llvm::sys::MemoryBlock::base
void * base() const
Definition: Memory.h:36
llvm::sys::MemoryBlock::allocatedSize
size_t allocatedSize() const
The size as it was allocated.
Definition: Memory.h:39
llvm::sys::Memory::MF_EXEC
@ MF_EXEC
Definition: Memory.h:57
assert
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
Memory.h
llvm::sys::operator<<
raw_ostream & operator<<(raw_ostream &OS, const Memory::ProtectionFlags &PF)
Debugging output for Memory::ProtectionFlags.
Definition: Memory.cpp:34
raw_ostream.h
Memory.inc