| //===- DWARF.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 |
| // |
| //===-------------------------------------------------------------------===// |
| |
| #ifndef LLD_ELF_DWARF_H |
| #define LLD_ELF_DWARF_H |
| |
| #include "InputFiles.h" |
| #include "llvm/ADT/STLExtras.h" |
| #include "llvm/DebugInfo/DWARF/DWARFContext.h" |
| #include "llvm/Object/ELF.h" |
| |
| namespace lld { |
| namespace elf { |
| |
| class InputSection; |
| |
| struct LLDDWARFSection final : public llvm::DWARFSection { |
| InputSectionBase *sec = nullptr; |
| }; |
| |
| template <class ELFT> class LLDDwarfObj final : public llvm::DWARFObject { |
| public: |
| explicit LLDDwarfObj(ObjFile<ELFT> *obj); |
| |
| void forEachInfoSections( |
| llvm::function_ref<void(const llvm::DWARFSection &)> f) const override { |
| f(infoSection); |
| } |
| |
| const llvm::DWARFSection &getRangeSection() const override { |
| return rangeSection; |
| } |
| |
| const llvm::DWARFSection &getRnglistsSection() const override { |
| return rngListsSection; |
| } |
| |
| const llvm::DWARFSection &getLineSection() const override { |
| return lineSection; |
| } |
| |
| const llvm::DWARFSection &getAddrSection() const override { |
| return addrSection; |
| } |
| |
| const llvm::DWARFSection &getGnuPubNamesSection() const override { |
| return gnuPubNamesSection; |
| } |
| |
| const llvm::DWARFSection &getGnuPubTypesSection() const override { |
| return gnuPubTypesSection; |
| } |
| |
| StringRef getFileName() const override { return ""; } |
| StringRef getAbbrevSection() const override { return abbrevSection; } |
| StringRef getStringSection() const override { return strSection; } |
| StringRef getLineStringSection() const override { return lineStringSection; } |
| |
| bool isLittleEndian() const override { |
| return ELFT::TargetEndianness == llvm::support::little; |
| } |
| |
| llvm::Optional<llvm::RelocAddrEntry> find(const llvm::DWARFSection &sec, |
| uint64_t pos) const override; |
| |
| private: |
| template <class RelTy> |
| llvm::Optional<llvm::RelocAddrEntry> findAux(const InputSectionBase &sec, |
| uint64_t pos, |
| ArrayRef<RelTy> rels) const; |
| |
| LLDDWARFSection gnuPubNamesSection; |
| LLDDWARFSection gnuPubTypesSection; |
| LLDDWARFSection infoSection; |
| LLDDWARFSection rangeSection; |
| LLDDWARFSection rngListsSection; |
| LLDDWARFSection lineSection; |
| LLDDWARFSection addrSection; |
| StringRef abbrevSection; |
| StringRef strSection; |
| StringRef lineStringSection; |
| }; |
| |
| } // namespace elf |
| } // namespace lld |
| |
| #endif |