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//==-- llvm/MC/MCRelocationInfo.h --------------------------------*- 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 the MCRelocationInfo class, which provides methods to
// create MCExprs from relocations, either found in an object::ObjectFile
// (object::RelocationRef), or provided through the C API.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCRELOCATIONINFO_H
#define LLVM_MC_MCRELOCATIONINFO_H
#include "llvm/Support/Compiler.h"
namespace llvm {
namespace object {
class RelocationRef;
}
class MCExpr;
class MCContext;
/// \brief Create MCExprs from relocations found in an object file.
class MCRelocationInfo {
MCRelocationInfo(const MCRelocationInfo &) LLVM_DELETED_FUNCTION;
void operator=(const MCRelocationInfo &) LLVM_DELETED_FUNCTION;
protected:
MCContext &Ctx;
public:
MCRelocationInfo(MCContext &Ctx);
virtual ~MCRelocationInfo();
/// \brief Create an MCExpr for the relocation \p Rel.
/// \returns If possible, an MCExpr corresponding to Rel, else 0.
virtual const MCExpr *createExprForRelocation(object::RelocationRef Rel);
/// \brief Create an MCExpr for the target-specific \p VariantKind.
/// The VariantKinds are defined in llvm-c/Disassembler.h.
/// Used by MCExternalSymbolizer.
/// \returns If possible, an MCExpr corresponding to VariantKind, else 0.
virtual const MCExpr *createExprForCAPIVariantKind(const MCExpr *SubExpr,
unsigned VariantKind);
};
}
#endif
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