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#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- ELFStub.h ------------------------------------------------*- 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
//
//===-----------------------------------------------------------------------===/
///
/// \file
/// This file defines an internal representation of an ELF stub.
///
//===-----------------------------------------------------------------------===/
#ifndef LLVM_TEXTAPI_ELF_ELFSTUB_H
#define LLVM_TEXTAPI_ELF_ELFSTUB_H
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/Support/VersionTuple.h"
#include <set>
#include <vector>
namespace llvm {
namespace elfabi {
typedef uint16_t ELFArch;
enum class ELFSymbolType {
NoType = ELF::STT_NOTYPE,
Object = ELF::STT_OBJECT,
Func = ELF::STT_FUNC,
TLS = ELF::STT_TLS,
// Type information is 4 bits, so 16 is safely out of range.
Unknown = 16,
};
struct ELFSymbol {
ELFSymbol(std::string SymbolName) : Name(SymbolName) {}
std::string Name;
uint64_t Size;
ELFSymbolType Type;
bool Undefined;
bool Weak;
Optional<std::string> Warning;
bool operator<(const ELFSymbol &RHS) const { return Name < RHS.Name; }
};
// A cumulative representation of ELF stubs.
// Both textual and binary stubs will read into and write from this object.
class ELFStub {
// TODO: Add support for symbol versioning.
public:
VersionTuple TbeVersion;
Optional<std::string> SoName;
ELFArch Arch;
std::vector<std::string> NeededLibs;
std::set<ELFSymbol> Symbols;
ELFStub() {}
ELFStub(const ELFStub &Stub);
ELFStub(ELFStub &&Stub);
};
} // end namespace elfabi
} // end namespace llvm
#endif // LLVM_TEXTAPI_ELF_ELFSTUB_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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