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Diffstat (limited to 'include/llvm/ExecutionEngine/ObjectBuffer.h')
-rw-r--r-- | include/llvm/ExecutionEngine/ObjectBuffer.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/include/llvm/ExecutionEngine/ObjectBuffer.h b/include/llvm/ExecutionEngine/ObjectBuffer.h deleted file mode 100644 index ee4820a..0000000 --- a/include/llvm/ExecutionEngine/ObjectBuffer.h +++ /dev/null @@ -1,76 +0,0 @@ -//===---- ObjectBuffer.h - Utility class to wrap object image memory -----===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file declares a wrapper class to hold the memory into which an -// object will be generated. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_EXECUTIONENGINE_OBJECTBUFFER_H -#define LLVM_EXECUTIONENGINE_OBJECTBUFFER_H - -#include "llvm/ADT/SmallVector.h" -#include "llvm/Support/MemoryBuffer.h" -#include "llvm/Support/raw_ostream.h" - -namespace llvm { - -/// This class acts as a container for the memory buffer used during generation -/// and loading of executable objects using MCJIT and RuntimeDyld. The -/// underlying memory for the object will be owned by the ObjectBuffer instance -/// throughout its lifetime. -class ObjectBuffer { - virtual void anchor(); -public: - ObjectBuffer() {} - ObjectBuffer(std::unique_ptr<MemoryBuffer> Buf) : Buffer(std::move(Buf)) {} - virtual ~ObjectBuffer() {} - - MemoryBufferRef getMemBuffer() const { return Buffer->getMemBufferRef(); } - - const char *getBufferStart() const { return Buffer->getBufferStart(); } - size_t getBufferSize() const { return Buffer->getBufferSize(); } - StringRef getBuffer() const { return Buffer->getBuffer(); } - StringRef getBufferIdentifier() const { - return Buffer->getBufferIdentifier(); - } - -protected: - // The memory contained in an ObjectBuffer - std::unique_ptr<MemoryBuffer> Buffer; -}; - -/// This class encapsulates the SmallVector and raw_svector_ostream needed to -/// generate an object using MC code emission while providing a common -/// ObjectBuffer interface for access to the memory once the object has been -/// generated. -class ObjectBufferStream : public ObjectBuffer { - void anchor() override; -public: - ObjectBufferStream() : OS(SV) {} - virtual ~ObjectBufferStream() {} - - raw_ostream &getOStream() { return OS; } - void flush() - { - OS.flush(); - - // Make the data accessible via the ObjectBuffer::Buffer - Buffer = - MemoryBuffer::getMemBuffer(StringRef(SV.data(), SV.size()), "", false); - } - -protected: - SmallVector<char, 4096> SV; // Working buffer into which we JIT. - raw_svector_ostream OS; // streaming wrapper -}; - -} // namespace llvm - -#endif |