1e8d8bef9SDimitry Andric //===- DWARF.h -----------------------------------------------*- C++ -*-===// 2e8d8bef9SDimitry Andric // 3e8d8bef9SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4e8d8bef9SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5e8d8bef9SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6e8d8bef9SDimitry Andric // 7e8d8bef9SDimitry Andric //===-------------------------------------------------------------------===// 8e8d8bef9SDimitry Andric 9e8d8bef9SDimitry Andric #ifndef LLD_MACHO_DWARF_H 10e8d8bef9SDimitry Andric #define LLD_MACHO_DWARF_H 11e8d8bef9SDimitry Andric 12e8d8bef9SDimitry Andric #include "llvm/ADT/StringRef.h" 13e8d8bef9SDimitry Andric #include "llvm/DebugInfo/DWARF/DWARFObject.h" 14e8d8bef9SDimitry Andric 15e8d8bef9SDimitry Andric namespace lld { 16e8d8bef9SDimitry Andric namespace macho { 17e8d8bef9SDimitry Andric 18e8d8bef9SDimitry Andric class ObjFile; 19e8d8bef9SDimitry Andric 20e8d8bef9SDimitry Andric // Implements the interface between LLVM's DWARF-parsing utilities and LLD's 21e8d8bef9SDimitry Andric // InputSection structures. 22e8d8bef9SDimitry Andric class DwarfObject final : public llvm::DWARFObject { 23e8d8bef9SDimitry Andric public: 24e8d8bef9SDimitry Andric bool isLittleEndian() const override { return true; } 25e8d8bef9SDimitry Andric 26e8d8bef9SDimitry Andric llvm::Optional<llvm::RelocAddrEntry> find(const llvm::DWARFSection &sec, 27e8d8bef9SDimitry Andric uint64_t pos) const override { 28e8d8bef9SDimitry Andric // TODO: implement this 29e8d8bef9SDimitry Andric return llvm::None; 30e8d8bef9SDimitry Andric } 31e8d8bef9SDimitry Andric 32e8d8bef9SDimitry Andric void forEachInfoSections( 33e8d8bef9SDimitry Andric llvm::function_ref<void(const llvm::DWARFSection &)> f) const override { 34e8d8bef9SDimitry Andric f(infoSection); 35e8d8bef9SDimitry Andric } 36e8d8bef9SDimitry Andric 37e8d8bef9SDimitry Andric llvm::StringRef getAbbrevSection() const override { return abbrevSection; } 38e8d8bef9SDimitry Andric llvm::StringRef getStrSection() const override { return strSection; } 39e8d8bef9SDimitry Andric 40*81ad6265SDimitry Andric llvm::DWARFSection const &getLineSection() const override { 41*81ad6265SDimitry Andric return lineSection; 42*81ad6265SDimitry Andric } 43*81ad6265SDimitry Andric 44e8d8bef9SDimitry Andric // Returns an instance of DwarfObject if the given object file has the 45e8d8bef9SDimitry Andric // relevant DWARF debug sections. 46e8d8bef9SDimitry Andric static std::unique_ptr<DwarfObject> create(ObjFile *); 47e8d8bef9SDimitry Andric 48e8d8bef9SDimitry Andric private: 49e8d8bef9SDimitry Andric llvm::DWARFSection infoSection; 50*81ad6265SDimitry Andric llvm::DWARFSection lineSection; 51e8d8bef9SDimitry Andric llvm::StringRef abbrevSection; 52e8d8bef9SDimitry Andric llvm::StringRef strSection; 53e8d8bef9SDimitry Andric }; 54e8d8bef9SDimitry Andric 55e8d8bef9SDimitry Andric } // namespace macho 56e8d8bef9SDimitry Andric } // namespace lld 57e8d8bef9SDimitry Andric 58e8d8bef9SDimitry Andric #endif 59