#ifndef LLVM_LIB_DEBUGINFO_DWARFCONTEXT_H
#define LLVM_LIB_DEBUGINFO_DWARFCONTEXT_H
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/DebugInfo/DIContext.h"
#include "llvm/DebugInfo/DWARF/DWARFCompileUnit.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugAranges.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugFrame.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugLine.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugLoc.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugRangeList.h"
#include "llvm/DebugInfo/DWARF/DWARFSection.h"
#include "llvm/DebugInfo/DWARF/DWARFTypeUnit.h"
#include <vector>
namespace llvm {
typedef DenseMap<uint64_t, std::pair<uint8_t, int64_t> > RelocAddrMap;
class DWARFContext : public DIContext {
DWARFUnitSection<DWARFCompileUnit> CUs;
std::vector<DWARFUnitSection<DWARFTypeUnit>> TUs;
std::unique_ptr<DWARFDebugAbbrev> Abbrev;
std::unique_ptr<DWARFDebugLoc> Loc;
std::unique_ptr<DWARFDebugAranges> Aranges;
std::unique_ptr<DWARFDebugLine> Line;
std::unique_ptr<DWARFDebugFrame> DebugFrame;
DWARFUnitSection<DWARFCompileUnit> DWOCUs;
std::vector<DWARFUnitSection<DWARFTypeUnit>> DWOTUs;
std::unique_ptr<DWARFDebugAbbrev> AbbrevDWO;
std::unique_ptr<DWARFDebugLocDWO> LocDWO;
DWARFContext(DWARFContext &) = delete;
DWARFContext &operator=(DWARFContext &) = delete;
void parseCompileUnits();
void parseTypeUnits();
void parseDWOCompileUnits();
void parseDWOTypeUnits();
public:
DWARFContext() : DIContext(CK_DWARF) {}
static bool classof(const DIContext *DICtx) {
return DICtx->getKind() == CK_DWARF;
}
void dump(raw_ostream &OS, DIDumpType DumpType = DIDT_All) override;
typedef DWARFUnitSection<DWARFCompileUnit>::iterator_range cu_iterator_range;
typedef DWARFUnitSection<DWARFTypeUnit>::iterator_range tu_iterator_range;
typedef iterator_range<std::vector<DWARFUnitSection<DWARFTypeUnit>>::iterator> tu_section_iterator_range;
cu_iterator_range compile_units() {
parseCompileUnits();
return cu_iterator_range(CUs.begin(), CUs.end());
}
tu_section_iterator_range type_unit_sections() {
parseTypeUnits();
return tu_section_iterator_range(TUs.begin(), TUs.end());
}
cu_iterator_range dwo_compile_units() {
parseDWOCompileUnits();
return cu_iterator_range(DWOCUs.begin(), DWOCUs.end());
}
tu_section_iterator_range dwo_type_unit_sections() {
parseDWOTypeUnits();
return tu_section_iterator_range(DWOTUs.begin(), DWOTUs.end());
}
unsigned getNumCompileUnits() {
parseCompileUnits();
return CUs.size();
}
unsigned getNumTypeUnits() {
parseTypeUnits();
return TUs.size();
}
unsigned getNumDWOCompileUnits() {
parseDWOCompileUnits();
return DWOCUs.size();
}
unsigned getNumDWOTypeUnits() {
parseDWOTypeUnits();
return DWOTUs.size();
}
DWARFCompileUnit *getCompileUnitAtIndex(unsigned index) {
parseCompileUnits();
return CUs[index].get();
}
DWARFCompileUnit *getDWOCompileUnitAtIndex(unsigned index) {
parseDWOCompileUnits();
return DWOCUs[index].get();
}
const DWARFDebugAbbrev *getDebugAbbrev();
const DWARFDebugLoc *getDebugLoc();
const DWARFDebugAbbrev *getDebugAbbrevDWO();
const DWARFDebugLocDWO *getDebugLocDWO();
const DWARFDebugAranges *getDebugAranges();
const DWARFDebugFrame *getDebugFrame();
const DWARFDebugLine::LineTable *getLineTableForUnit(DWARFUnit *cu);
DILineInfo getLineInfoForAddress(uint64_t Address,
DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override;
DILineInfoTable getLineInfoForAddressRange(uint64_t Address, uint64_t Size,
DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override;
DIInliningInfo getInliningInfoForAddress(uint64_t Address,
DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override;
virtual bool isLittleEndian() const = 0;
virtual uint8_t getAddressSize() const = 0;
virtual const DWARFSection &getInfoSection() = 0;
typedef MapVector<object::SectionRef, DWARFSection,
std::map<object::SectionRef, unsigned>> TypeSectionMap;
virtual const TypeSectionMap &getTypesSections() = 0;
virtual StringRef getAbbrevSection() = 0;
virtual const DWARFSection &getLocSection() = 0;
virtual StringRef getARangeSection() = 0;
virtual StringRef getDebugFrameSection() = 0;
virtual const DWARFSection &getLineSection() = 0;
virtual StringRef getStringSection() = 0;
virtual StringRef getRangeSection() = 0;
virtual StringRef getPubNamesSection() = 0;
virtual StringRef getPubTypesSection() = 0;
virtual StringRef getGnuPubNamesSection() = 0;
virtual StringRef getGnuPubTypesSection() = 0;
virtual const DWARFSection &getInfoDWOSection() = 0;
virtual const TypeSectionMap &getTypesDWOSections() = 0;
virtual StringRef getAbbrevDWOSection() = 0;
virtual const DWARFSection &getLineDWOSection() = 0;
virtual const DWARFSection &getLocDWOSection() = 0;
virtual StringRef getStringDWOSection() = 0;
virtual StringRef getStringOffsetDWOSection() = 0;
virtual StringRef getRangeDWOSection() = 0;
virtual StringRef getAddrSection() = 0;
virtual const DWARFSection& getAppleNamesSection() = 0;
virtual const DWARFSection& getAppleTypesSection() = 0;
virtual const DWARFSection& getAppleExternalTypesSection() = 0;
virtual const DWARFSection& getAppleNamespacesSection() = 0;
virtual const DWARFSection& getAppleObjCSection() = 0;
static bool isSupportedVersion(unsigned version) {
return version == 2 || version == 3 || version == 4;
}
private:
DWARFCompileUnit *getCompileUnitForOffset(uint32_t Offset);
DWARFCompileUnit *getCompileUnitForAddress(uint64_t Address);
};
class DWARFContextInMemory : public DWARFContext {
virtual void anchor();
bool IsLittleEndian;
uint8_t AddressSize;
DWARFSection InfoSection;
TypeSectionMap TypesSections;
StringRef AbbrevSection;
DWARFSection LocSection;
StringRef ARangeSection;
StringRef DebugFrameSection;
DWARFSection LineSection;
StringRef StringSection;
StringRef RangeSection;
StringRef PubNamesSection;
StringRef PubTypesSection;
StringRef GnuPubNamesSection;
StringRef GnuPubTypesSection;
DWARFSection InfoDWOSection;
TypeSectionMap TypesDWOSections;
StringRef AbbrevDWOSection;
DWARFSection LineDWOSection;
DWARFSection LocDWOSection;
StringRef StringDWOSection;
StringRef StringOffsetDWOSection;
StringRef RangeDWOSection;
StringRef AddrSection;
DWARFSection AppleNamesSection;
DWARFSection AppleTypesSection;
DWARFSection AppleExternalTypesSection;
DWARFSection AppleNamespacesSection;
DWARFSection AppleObjCSection;
SmallVector<SmallString<32>, 4> UncompressedSections;
public:
DWARFContextInMemory(const object::ObjectFile &Obj,
const LoadedObjectInfo *L = nullptr);
bool isLittleEndian() const override { return IsLittleEndian; }
uint8_t getAddressSize() const override { return AddressSize; }
const DWARFSection &getInfoSection() override { return InfoSection; }
const TypeSectionMap &getTypesSections() override { return TypesSections; }
StringRef getAbbrevSection() override { return AbbrevSection; }
const DWARFSection &getLocSection() override { return LocSection; }
StringRef getARangeSection() override { return ARangeSection; }
StringRef getDebugFrameSection() override { return DebugFrameSection; }
const DWARFSection &getLineSection() override { return LineSection; }
StringRef getStringSection() override { return StringSection; }
StringRef getRangeSection() override { return RangeSection; }
StringRef getPubNamesSection() override { return PubNamesSection; }
StringRef getPubTypesSection() override { return PubTypesSection; }
StringRef getGnuPubNamesSection() override { return GnuPubNamesSection; }
StringRef getGnuPubTypesSection() override { return GnuPubTypesSection; }
const DWARFSection& getAppleNamesSection() override { return AppleNamesSection; }
const DWARFSection& getAppleTypesSection() override { return AppleTypesSection; }
const DWARFSection& getAppleExternalTypesSection() override { return AppleExternalTypesSection; }
const DWARFSection& getAppleNamespacesSection() override { return AppleNamespacesSection; }
const DWARFSection& getAppleObjCSection() override { return AppleObjCSection; }
const DWARFSection &getInfoDWOSection() override { return InfoDWOSection; }
const TypeSectionMap &getTypesDWOSections() override {
return TypesDWOSections;
}
StringRef getAbbrevDWOSection() override { return AbbrevDWOSection; }
const DWARFSection &getLineDWOSection() override { return LineDWOSection; }
const DWARFSection &getLocDWOSection() override { return LocDWOSection; }
StringRef getStringDWOSection() override { return StringDWOSection; }
StringRef getStringOffsetDWOSection() override {
return StringOffsetDWOSection;
}
StringRef getRangeDWOSection() override { return RangeDWOSection; }
StringRef getAddrSection() override {
return AddrSection;
}
};
}
#endif