llvm-project/llvm/lib/ExecutionEngine/MCJIT/ObjectBuffer.h

49 lines
1.4 KiB
C++

//===--- ObjectBuffer.h - Utility class to wrap object memory ---*- C++ -*-===//
//
// 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 {
class ObjectMemoryBuffer : public MemoryBuffer {
public:
template <unsigned N>
ObjectMemoryBuffer(SmallVector<char, N> SV)
: SV(SV), BufferName("<in-memory object>") {
init(this->SV.begin(), this->SV.end(), false);
}
template <unsigned N>
ObjectMemoryBuffer(SmallVector<char, N> SV, StringRef Name)
: SV(SV), BufferName(Name) {
init(this->SV.begin(), this->SV.end(), false);
}
const char* getBufferIdentifier() const override { return BufferName.c_str(); }
BufferKind getBufferKind() const override { return MemoryBuffer_Malloc; }
private:
SmallVector<char, 4096> SV;
std::string BufferName;
};
} // namespace llvm
#endif