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DWARFUnit: kill dead code and make a couple of functions private. No functionality change.

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llvm-svn: 193780
This commit is contained in:
Alexey Samsonov 2013-10-31 18:05:02 +00:00
parent 429e265cd8
commit d06df25a95
2 changed files with 7 additions and 38 deletions
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24
lib/DebugInfo/DWARFUnit.cpp
View File

@ -85,30 +85,6 @@ bool DWARFUnit::extract(DataExtractor debug_info, uint32_t *offset_ptr) {
return false;
}
uint32_t
DWARFUnit::extract(uint32_t offset, DataExtractor debug_info_data,
const DWARFAbbreviationDeclarationSet *abbrevs) {
clear();
Offset = offset;
if (debug_info_data.isValidOffset(offset)) {
Length = debug_info_data.getU32(&offset);
Version = debug_info_data.getU16(&offset);
bool abbrevsOK = debug_info_data.getU32(&offset) == abbrevs->getOffset();
Abbrevs = abbrevs;
AddrSize = debug_info_data.getU8(&offset);
bool versionOK = DWARFContext::isSupportedVersion(Version);
bool addrSizeOK = AddrSize == 4 || AddrSize == 8;
if (versionOK && addrSizeOK && abbrevsOK &&
debug_info_data.isValidOffset(offset))
return offset;
}
return 0;
}
bool DWARFUnit::extractRangeList(uint32_t RangeListOffset,
DWARFDebugRangeList &RangeList) const {
// Require that compile unit is extracted.

21
lib/DebugInfo/DWARFUnit.h
View File

@ -95,12 +95,7 @@ public:
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.
@ -110,10 +105,6 @@ public:
uint32_t getOffset() const { return Offset; }
/// Size in bytes of the compile unit header.
virtual uint32_t getSize() const { return 11; }
bool containsDIEOffset(uint32_t die_offset) const {
return die_offset >= getFirstDIEOffset() &&
die_offset < getNextUnitOffset();
}
uint32_t getFirstDIEOffset() const { return Offset + getSize(); }
uint32_t getNextUnitOffset() const { return Offset + Length + 4; }
/// Size in bytes of the .debug_info data associated with this compile unit.
@ -139,11 +130,6 @@ public:
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);
@ -154,9 +140,16 @@ public:
DWARFDebugInfoEntryInlinedChain getInlinedChainForAddress(uint64_t Address);
private:
/// 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);