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| author | dim <dim@FreeBSD.org> | 2011-02-20 12:57:14 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-02-20 12:57:14 +0000 |
| commit | cbb70ce070d220642b038ea101d9c0f9fbf860d6 (patch) | |
| tree | d2b61ce94e654cb01a254d2195259db5f9cc3f3c /lib/System/Win32/Memory.inc | |
| parent | 4ace901e87dac5bbbac78ed325e75462e48e386e (diff) | |
| download | FreeBSD-src-cbb70ce070d220642b038ea101d9c0f9fbf860d6.zip FreeBSD-src-cbb70ce070d220642b038ea101d9c0f9fbf860d6.tar.gz | |
Vendor import of llvm trunk r126079:
http://llvm.org/svn/llvm-project/llvm/trunk@126079
Diffstat (limited to 'lib/System/Win32/Memory.inc')
| -rw-r--r-- | lib/System/Win32/Memory.inc | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/lib/System/Win32/Memory.inc b/lib/System/Win32/Memory.inc deleted file mode 100644 index 19fccbd..0000000 --- a/lib/System/Win32/Memory.inc +++ /dev/null @@ -1,73 +0,0 @@ -//===- Win32/Memory.cpp - Win32 Memory Implementation -----------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file provides the Win32 specific implementation of various Memory -// management utilities -// -//===----------------------------------------------------------------------===// - -#include "Win32.h" -#include "llvm/System/DataTypes.h" -#include "llvm/System/Process.h" - -namespace llvm { -using namespace sys; - -//===----------------------------------------------------------------------===// -//=== WARNING: Implementation here must contain only Win32 specific code -//=== and must not be UNIX code -//===----------------------------------------------------------------------===// - -MemoryBlock Memory::AllocateRWX(size_t NumBytes, - const MemoryBlock *NearBlock, - std::string *ErrMsg) { - if (NumBytes == 0) return MemoryBlock(); - - static const size_t pageSize = Process::GetPageSize(); - size_t NumPages = (NumBytes+pageSize-1)/pageSize; - - //FIXME: support NearBlock if ever needed on Win64. - - void *pa = VirtualAlloc(NULL, NumPages*pageSize, MEM_COMMIT, - PAGE_EXECUTE_READWRITE); - if (pa == NULL) { - MakeErrMsg(ErrMsg, "Can't allocate RWX Memory: "); - return MemoryBlock(); - } - - MemoryBlock result; - result.Address = pa; - result.Size = NumPages*pageSize; - return result; -} - -bool Memory::ReleaseRWX(MemoryBlock &M, std::string *ErrMsg) { - if (M.Address == 0 || M.Size == 0) return false; - if (!VirtualFree(M.Address, 0, MEM_RELEASE)) - return MakeErrMsg(ErrMsg, "Can't release RWX Memory: "); - return false; -} - -bool Memory::setWritable(MemoryBlock &M, std::string *ErrMsg) { - return true; -} - -bool Memory::setExecutable(MemoryBlock &M, std::string *ErrMsg) { - return false; -} - -bool Memory::setRangeWritable(const void *Addr, size_t Size) { - return true; -} - -bool Memory::setRangeExecutable(const void *Addr, size_t Size) { - return false; -} - -} |
