llvm/lld/ELF/DWARF.cpp

//===- DWARF.cpp ----------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// The --gdb-index option instructs the linker to emit a .gdb_index section.
// The section contains information to make gdb startup faster.
// The format of the section is described at
// https://sourceware.org/gdb/onlinedocs/gdb/Index-Section-Format.html.
//
//===----------------------------------------------------------------------===//

#include "DWARF.h"
#include "InputSection.h"
#include "Symbols.h"
#include "lld/Common/Memory.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugPubTable.h"
#include "llvm/Object/ELFObjectFile.h"

usingnamespacellvm;
usingnamespacellvm::object;
usingnamespacelld;
usingnamespacelld::elf;

template <class ELFT> LLDDwarfObj<ELFT>::LLDDwarfObj(ObjFile<ELFT> *obj) { … }

namespace {
template <class RelTy> struct LLDRelocationResolver { … };

LLDRelocationResolver<Elf_Rel_Impl<ELFT, false>>;
} // namespace

// Find if there is a relocation at Pos in Sec.  The code is a bit
// more complicated than usual because we need to pass a section index
// to llvm since it has no idea about InputSection.
template <class ELFT>
template <class RelTy>
std::optional<RelocAddrEntry>
LLDDwarfObj<ELFT>::findAux(const InputSectionBase &sec, uint64_t pos,
                           ArrayRef<RelTy> rels) const { … }

template <class ELFT>
std::optional<RelocAddrEntry>
LLDDwarfObj<ELFT>::find(const llvm::DWARFSection &s, uint64_t pos) const { … }

template class elf::LLDDwarfObj<ELF32LE>;
template class elf::LLDDwarfObj<ELF32BE>;
template class elf::LLDDwarfObj<ELF64LE>;
template class elf::LLDDwarfObj<ELF64BE>;