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| -rw-r--r-- | include/llvm/System/Memory.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/llvm/System/Memory.h b/include/llvm/System/Memory.h new file mode 100644 index 0000000000..5b3c884cd7 --- /dev/null +++ b/include/llvm/System/Memory.h @@ -0,0 +1,53 @@ +//===- llvm/System/Memory.h - Memory Support --------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file was developed by Reid Spencer and is distributed under the +// University of Illinois Open Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file declares the llvm::sys::Memory class. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_SYSTEM_PATH_H +#define LLVM_SYSTEM_PATH_H + +#include <string> + +namespace llvm { +namespace sys { + + /// This class provides an abstraction for various memory handling functions + /// @since 1.4 + /// @brief An abstraction for operating system paths. + class Memory { + /// @name Functions + /// @{ + public: + Memory() { Address = 0; AllocSize = 0; } + ~Memory() { ReleaseRWX(*this); } + + /// @throws std::string if an error occurred + static void* AllocateRWX(Memory& block, unsigned NumBytes); + + /// @throws std::string if an error occurred + static void ReleaseRWX(Memory& block); + + char* base() const { return reinterpret_cast<char*>(Address); } + unsigned size() const { return AllocSize; } + /// @} + /// @name Data + /// @{ + private: + void * Address; // Address of first byte of memory area + unsigned AllocSize; // Size, in bytes of the memory area + /// @} + }; +} +} + +// vim: sw=2 + +#endif |