DWARF.h
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//===- 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);
}
InputSection *getInfoSection() const {
return cast<InputSection>(infoSection.sec);
}
const llvm::DWARFSection &getLoclistsSection() const override {
return loclistsSection;
}
const llvm::DWARFSection &getRangesSection() const override {
return rangesSection;
}
const llvm::DWARFSection &getRnglistsSection() const override {
return rnglistsSection;
}
const llvm::DWARFSection &getStrOffsetsSection() const override {
return strOffsetsSection;
}
const llvm::DWARFSection &getLineSection() const override {
return lineSection;
}
const llvm::DWARFSection &getAddrSection() const override {
return addrSection;
}
const LLDDWARFSection &getGnuPubnamesSection() const override {
return gnuPubnamesSection;
}
const LLDDWARFSection &getGnuPubtypesSection() const override {
return gnuPubtypesSection;
}
StringRef getFileName() const override { return ""; }
StringRef getAbbrevSection() const override { return abbrevSection; }
StringRef getStrSection() const override { return strSection; }
StringRef getLineStrSection() const override { return lineStrSection; }
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 loclistsSection;
LLDDWARFSection rangesSection;
LLDDWARFSection rnglistsSection;
LLDDWARFSection strOffsetsSection;
LLDDWARFSection lineSection;
LLDDWARFSection addrSection;
StringRef abbrevSection;
StringRef strSection;
StringRef lineStrSection;
};
} // namespace elf
} // namespace lld
#endif