//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_DEBUGINFO_DWARFCOMPILEUNIT_H
-#define LLVM_DEBUGINFO_DWARFCOMPILEUNIT_H
+#ifndef LLVM_LIB_DEBUGINFO_DWARFCOMPILEUNIT_H
+#define LLVM_LIB_DEBUGINFO_DWARFCOMPILEUNIT_H
-#include "llvm/ADT/OwningPtr.h"
-#include "DWARFDebugAbbrev.h"
-#include "DWARFDebugInfoEntry.h"
-#include "DWARFDebugRangeList.h"
-#include "DWARFRelocMap.h"
-#include <vector>
+#include "DWARFUnit.h"
namespace llvm {
-namespace object {
-class ObjectFile;
-}
-
-class DWARFDebugAbbrev;
-class StringRef;
-class raw_ostream;
-
-class DWARFCompileUnit {
- DWARFCompileUnit(DWARFCompileUnit const &) LLVM_DELETED_FUNCTION;
- DWARFCompileUnit &operator=(DWARFCompileUnit const &) LLVM_DELETED_FUNCTION;
-
- const DWARFDebugAbbrev *Abbrev;
- StringRef InfoSection;
- StringRef AbbrevSection;
- StringRef RangeSection;
- uint32_t RangeSectionBase;
- StringRef StringSection;
- StringRef StringOffsetSection;
- StringRef AddrOffsetSection;
- uint32_t AddrOffsetSectionBase;
- const RelocAddrMap *RelocMap;
- bool isLittleEndian;
-
- uint32_t Offset;
- uint32_t Length;
- uint16_t Version;
- const DWARFAbbreviationDeclarationSet *Abbrevs;
- uint8_t AddrSize;
- uint64_t BaseAddr;
- // The compile unit debug information entry items.
- std::vector<DWARFDebugInfoEntryMinimal> DieArray;
-
- class DWOHolder {
- OwningPtr<object::ObjectFile> DWOFile;
- OwningPtr<DWARFContext> DWOContext;
- DWARFCompileUnit *DWOCU;
- public:
- DWOHolder(object::ObjectFile *DWOFile);
- DWARFCompileUnit *getCU() const { return DWOCU; }
- };
- OwningPtr<DWOHolder> DWO;
-
+class DWARFCompileUnit : public DWARFUnit {
public:
-
- DWARFCompileUnit(const DWARFDebugAbbrev *DA, StringRef IS, StringRef AS,
- StringRef RS, StringRef SS, StringRef SOS, StringRef AOS,
- const RelocAddrMap *M, bool LE) :
- Abbrev(DA), InfoSection(IS), AbbrevSection(AS),
- RangeSection(RS), StringSection(SS), StringOffsetSection(SOS),
- AddrOffsetSection(AOS), RelocMap(M), isLittleEndian(LE) {
- clear();
- }
-
- StringRef getStringSection() const { return StringSection; }
- StringRef getStringOffsetSection() const { return StringOffsetSection; }
- void setAddrOffsetSection(StringRef AOS, uint32_t Base) {
- AddrOffsetSection = AOS;
- AddrOffsetSectionBase = Base;
- }
- void setRangesSection(StringRef RS, uint32_t Base) {
- RangeSection = RS;
- RangeSectionBase = Base;
- }
-
- bool getAddrOffsetSectionItem(uint32_t Index, uint64_t &Result) const;
- // FIXME: Result should be uint64_t in DWARF64.
- bool getStringOffsetSectionItem(uint32_t Index, uint32_t &Result) const;
-
- DataExtractor getDebugInfoExtractor() const {
- return DataExtractor(InfoSection, isLittleEndian, AddrSize);
- }
- DataExtractor getStringExtractor() const {
- return DataExtractor(StringSection, false, 0);
- }
-
- const RelocAddrMap *getRelocMap() const { return RelocMap; }
-
- bool extract(DataExtractor debug_info, uint32_t* offset_ptr);
- uint32_t extract(uint32_t offset, DataExtractor debug_info_data,
- const DWARFAbbreviationDeclarationSet *abbrevs);
-
- /// extractDIEsIfNeeded - Parses a compile unit and indexes its DIEs if it
- /// hasn't already been done. Returns the number of DIEs parsed at this call.
- size_t extractDIEsIfNeeded(bool CUDieOnly);
- /// extractRangeList - extracts the range list referenced by this compile
- /// unit from .debug_ranges section. Returns true on success.
- /// Requires that compile unit is already extracted.
- bool extractRangeList(uint32_t RangeListOffset,
- DWARFDebugRangeList &RangeList) const;
- void clear();
+ DWARFCompileUnit(const DWARFDebugAbbrev *DA, StringRef IS, StringRef RS,
+ StringRef SS, StringRef SOS, StringRef AOS,
+ const RelocAddrMap *M, bool LE)
+ : DWARFUnit(DA, IS, RS, SS, SOS, AOS, M, LE) {}
void dump(raw_ostream &OS);
- uint32_t getOffset() const { return Offset; }
- /// Size in bytes of the compile unit header.
- uint32_t getSize() const { return 11; }
- bool containsDIEOffset(uint32_t die_offset) const {
- return die_offset >= getFirstDIEOffset() &&
- die_offset < getNextCompileUnitOffset();
- }
- uint32_t getFirstDIEOffset() const { return Offset + getSize(); }
- uint32_t getNextCompileUnitOffset() const { return Offset + Length + 4; }
- /// Size in bytes of the .debug_info data associated with this compile unit.
- size_t getDebugInfoSize() const { return Length + 4 - getSize(); }
- uint32_t getLength() const { return Length; }
- uint16_t getVersion() const { return Version; }
- const DWARFAbbreviationDeclarationSet *getAbbreviations() const {
- return Abbrevs;
- }
- uint8_t getAddressByteSize() const { return AddrSize; }
- uint64_t getBaseAddress() const { return BaseAddr; }
-
- void setBaseAddress(uint64_t base_addr) {
- BaseAddr = base_addr;
- }
-
- const DWARFDebugInfoEntryMinimal *
- getCompileUnitDIE(bool extract_cu_die_only = true) {
- extractDIEsIfNeeded(extract_cu_die_only);
- return DieArray.empty() ? NULL : &DieArray[0];
- }
-
- const char *getCompilationDir();
- uint64_t getDWOId();
-
- /// setDIERelations - We read in all of the DIE entries into our flat list
- /// of DIE entries and now we need to go back through all of them and set the
- /// parent, sibling and child pointers for quick DIE navigation.
- void setDIERelations();
-
- void buildAddressRangeTable(DWARFDebugAranges *debug_aranges,
- bool clear_dies_if_already_not_parsed,
- uint32_t CUOffsetInAranges);
-
- /// getInlinedChainForAddress - fetches inlined chain for a given address.
- /// Returns empty chain if there is no subprogram containing address. The
- /// chain is valid as long as parsed compile unit DIEs are not cleared.
- DWARFDebugInfoEntryInlinedChain getInlinedChainForAddress(uint64_t Address);
-
-private:
- /// extractDIEsToVector - Appends all parsed DIEs to a vector.
- void extractDIEsToVector(bool AppendCUDie, bool AppendNonCUDIEs,
- std::vector<DWARFDebugInfoEntryMinimal> &DIEs) const;
- /// clearDIEs - Clear parsed DIEs to keep memory usage low.
- void clearDIEs(bool KeepCUDie);
-
- /// parseDWO - Parses .dwo file for current compile unit. Returns true if
- /// it was actually constructed.
- bool parseDWO();
-
- /// getSubprogramForAddress - Returns subprogram DIE with address range
- /// encompassing the provided address. The pointer is alive as long as parsed
- /// compile unit DIEs are not cleared.
- const DWARFDebugInfoEntryMinimal *getSubprogramForAddress(uint64_t Address);
+ // VTable anchor.
+ ~DWARFCompileUnit() override;
};
}
projects / oota-llvm.git / blobdiff