67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
//===- ELFStub.h ------------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===-----------------------------------------------------------------------===/
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///
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/// \file
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/// This file defines an internal representation of an ELF stub.
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///
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//===-----------------------------------------------------------------------===/
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#ifndef LLVM_TEXTAPI_ELF_ELFSTUB_H
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#define LLVM_TEXTAPI_ELF_ELFSTUB_H
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#include "llvm/BinaryFormat/ELF.h"
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#include "llvm/Support/VersionTuple.h"
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#include <set>
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#include <vector>
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namespace llvm {
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namespace elfabi {
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typedef uint16_t ELFArch;
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enum class ELFSymbolType {
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NoType = ELF::STT_NOTYPE,
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Object = ELF::STT_OBJECT,
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Func = ELF::STT_FUNC,
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TLS = ELF::STT_TLS,
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// Type information is 4 bits, so 16 is safely out of range.
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Unknown = 16,
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};
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struct ELFSymbol {
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ELFSymbol(std::string SymbolName) : Name(SymbolName) {}
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std::string Name;
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uint64_t Size;
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ELFSymbolType Type;
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bool Undefined;
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bool Weak;
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Optional<std::string> Warning;
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bool operator<(const ELFSymbol &RHS) const { return Name < RHS.Name; }
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};
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// A cumulative representation of ELF stubs.
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// Both textual and binary stubs will read into and write from this object.
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class ELFStub {
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// TODO: Add support for symbol versioning.
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public:
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VersionTuple TbeVersion;
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Optional<std::string> SoName;
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ELFArch Arch;
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std::vector<std::string> NeededLibs;
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std::set<ELFSymbol> Symbols;
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ELFStub() {}
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ELFStub(const ELFStub &Stub);
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ELFStub(ELFStub &&Stub);
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};
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} // end namespace elfabi
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} // end namespace llvm
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#endif // LLVM_TEXTAPI_ELF_ELFSTUB_H
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