RelocationResolver.h

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//===- RelocVisitor.h - Visitor for object file relocations -----*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file provides a wrapper around all the different types of relocations
// in different file formats, such that a client can handle them in a unified
// manner by only implementing a minimal number of functions.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_OBJECT_RELOCATIONRESOLVER_H
#define LLVM_OBJECT_RELOCATIONRESOLVER_H
 
#include "llvm/Support/Compiler.h"
#include <cstdint>
#include <utility>
 
namespace llvm {
namespace object {
 
class ObjectFile;
class RelocationRef;
 
using SupportsRelocation = bool (*)(uint64_t);
using RelocationResolver = uint64_t (*)(uint64_t Type, uint64_t Offset,
                                        uint64_t S, uint64_t LocData,
                                        int64_t Addend);
 
LLVM_ABI std::pair<SupportsRelocation, RelocationResolver>
getRelocationResolver(const ObjectFile &Obj);
 
LLVM_ABI uint64_t resolveRelocation(RelocationResolver Resolver,
                                    const RelocationRef &R, uint64_t S,
                                    uint64_t LocData);
 
} // end namespace object
} // end namespace llvm
 
#endif // LLVM_OBJECT_RELOCATIONRESOLVER_H