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Diffstat (limited to 'contrib/llvm/lib/DebugInfo/DWARFUnit.h')
-rw-r--r-- | contrib/llvm/lib/DebugInfo/DWARFUnit.h | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/contrib/llvm/lib/DebugInfo/DWARFUnit.h b/contrib/llvm/lib/DebugInfo/DWARFUnit.h deleted file mode 100644 index 471da36..0000000 --- a/contrib/llvm/lib/DebugInfo/DWARFUnit.h +++ /dev/null @@ -1,163 +0,0 @@ -//===-- DWARFUnit.h ---------------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_DEBUGINFO_DWARFUNIT_H -#define LLVM_DEBUGINFO_DWARFUNIT_H - -#include "DWARFDebugAbbrev.h" -#include "DWARFDebugInfoEntry.h" -#include "DWARFDebugRangeList.h" -#include "DWARFRelocMap.h" -#include <vector> - -namespace llvm { - -namespace object { -class ObjectFile; -} - -class DWARFDebugAbbrev; -class StringRef; -class raw_ostream; - -class DWARFUnit { - const DWARFDebugAbbrev *Abbrev; - StringRef InfoSection; - 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 { - std::unique_ptr<object::ObjectFile> DWOFile; - std::unique_ptr<DWARFContext> DWOContext; - DWARFUnit *DWOU; - public: - DWOHolder(object::ObjectFile *DWOFile); - DWARFUnit *getUnit() const { return DWOU; } - }; - std::unique_ptr<DWOHolder> DWO; - -protected: - virtual bool extractImpl(DataExtractor debug_info, uint32_t *offset_ptr); - /// Size in bytes of the unit header. - virtual uint32_t getHeaderSize() const { return 11; } - -public: - DWARFUnit(const DWARFDebugAbbrev *DA, StringRef IS, StringRef RS, - StringRef SS, StringRef SOS, StringRef AOS, const RelocAddrMap *M, - bool LE); - - virtual ~DWARFUnit(); - - 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); - - /// 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(); - uint32_t getOffset() const { return Offset; } - uint32_t getNextUnitOffset() const { return Offset + Length + 4; } - 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() ? nullptr : &DieArray[0]; - } - - const char *getCompilationDir(); - uint64_t getDWOId(); - - void collectAddressRanges(DWARFAddressRangesVector &CURanges); - - /// 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: - /// Size in bytes of the .debug_info data associated with this compile unit. - size_t getDebugInfoSize() const { return Length + 4 - getHeaderSize(); } - - /// 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); - /// extractDIEsToVector - Appends all parsed DIEs to a vector. - void extractDIEsToVector(bool AppendCUDie, bool AppendNonCUDIEs, - std::vector<DWARFDebugInfoEntryMinimal> &DIEs) const; - /// 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(); - /// 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); -}; - -} - -#endif |