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path: root/include/llvm/DebugInfo/DWARF/DWARFUnit.h
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Diffstat (limited to 'include/llvm/DebugInfo/DWARF/DWARFUnit.h')
-rw-r--r--include/llvm/DebugInfo/DWARF/DWARFUnit.h51
1 files changed, 28 insertions, 23 deletions
diff --git a/include/llvm/DebugInfo/DWARF/DWARFUnit.h b/include/llvm/DebugInfo/DWARF/DWARFUnit.h
index f9f90db31890..51de114a3506 100644
--- a/include/llvm/DebugInfo/DWARF/DWARFUnit.h
+++ b/include/llvm/DebugInfo/DWARF/DWARFUnit.h
@@ -45,7 +45,7 @@ class DWARFUnit;
/// parse the header before deciding what specific kind of unit to construct.
class DWARFUnitHeader {
// Offset within section.
- uint32_t Offset = 0;
+ uint64_t Offset = 0;
// Version, address size, and DWARF format.
dwarf::FormParams FormParams;
uint64_t Length = 0;
@@ -56,7 +56,7 @@ class DWARFUnitHeader {
// For type units only.
uint64_t TypeHash = 0;
- uint32_t TypeOffset = 0;
+ uint64_t TypeOffset = 0;
// For v5 split or skeleton compile units only.
Optional<uint64_t> DWOId;
@@ -70,10 +70,10 @@ class DWARFUnitHeader {
public:
/// Parse a unit header from \p debug_info starting at \p offset_ptr.
bool extract(DWARFContext &Context, const DWARFDataExtractor &debug_info,
- uint32_t *offset_ptr, DWARFSectionKind Kind = DW_SECT_INFO,
+ uint64_t *offset_ptr, DWARFSectionKind Kind = DW_SECT_INFO,
const DWARFUnitIndex *Index = nullptr,
const DWARFUnitIndex::Entry *Entry = nullptr);
- uint32_t getOffset() const { return Offset; }
+ uint64_t getOffset() const { return Offset; }
const dwarf::FormParams &getFormParams() const { return FormParams; }
uint16_t getVersion() const { return FormParams.Version; }
dwarf::DwarfFormat getFormat() const { return FormParams.Format; }
@@ -91,16 +91,17 @@ public:
}
const DWARFUnitIndex::Entry *getIndexEntry() const { return IndexEntry; }
uint64_t getTypeHash() const { return TypeHash; }
- uint32_t getTypeOffset() const { return TypeOffset; }
+ uint64_t getTypeOffset() const { return TypeOffset; }
uint8_t getUnitType() const { return UnitType; }
bool isTypeUnit() const {
return UnitType == dwarf::DW_UT_type || UnitType == dwarf::DW_UT_split_type;
}
uint8_t getSize() const { return Size; }
- uint32_t getNextUnitOffset() const {
- return Offset + Length +
- (FormParams.Format == llvm::dwarf::DwarfFormat::DWARF64 ? 4 : 0) +
- FormParams.getDwarfOffsetByteSize();
+ uint8_t getUnitLengthFieldByteSize() const {
+ return dwarf::getUnitLengthFieldByteSize(FormParams.Format);
+ }
+ uint64_t getNextUnitOffset() const {
+ return Offset + Length + getUnitLengthFieldByteSize();
}
};
@@ -110,7 +111,7 @@ const DWARFUnitIndex &getDWARFUnitIndex(DWARFContext &Context,
/// Describe a collection of units. Intended to hold all units either from
/// .debug_info and .debug_types, or from .debug_info.dwo and .debug_types.dwo.
class DWARFUnitVector final : public SmallVector<std::unique_ptr<DWARFUnit>, 1> {
- std::function<std::unique_ptr<DWARFUnit>(uint32_t, DWARFSectionKind,
+ std::function<std::unique_ptr<DWARFUnit>(uint64_t, DWARFSectionKind,
const DWARFSection *,
const DWARFUnitIndex::Entry *)>
Parser;
@@ -121,7 +122,7 @@ public:
using iterator = typename UnitVector::iterator;
using iterator_range = llvm::iterator_range<typename UnitVector::iterator>;
- DWARFUnit *getUnitForOffset(uint32_t Offset) const;
+ DWARFUnit *getUnitForOffset(uint64_t Offset) const;
DWARFUnit *getUnitForIndexEntry(const DWARFUnitIndex::Entry &E);
/// Read units from a .debug_info or .debug_types section. Calls made
@@ -197,7 +198,7 @@ class DWARFUnit {
DWARFUnitHeader Header;
const DWARFDebugAbbrev *Abbrev;
const DWARFSection *RangeSection;
- uint32_t RangeSectionBase;
+ uint64_t RangeSectionBase;
/// We either keep track of the location list section or its data, depending
/// on whether we are handling a split DWARF section or not.
union {
@@ -275,7 +276,7 @@ public:
const DWARFSection &getInfoSection() const { return InfoSection; }
const DWARFSection *getLocSection() const { return LocSection; }
StringRef getLocSectionData() const { return LocSectionData; }
- uint32_t getOffset() const { return Header.getOffset(); }
+ uint64_t getOffset() const { return Header.getOffset(); }
const dwarf::FormParams &getFormParams() const {
return Header.getFormParams();
}
@@ -285,10 +286,10 @@ public:
uint8_t getDwarfOffsetByteSize() const {
return Header.getDwarfOffsetByteSize();
}
- uint32_t getLength() const { return Header.getLength(); }
+ uint64_t getLength() const { return Header.getLength(); }
uint8_t getUnitType() const { return Header.getUnitType(); }
bool isTypeUnit() const { return Header.isTypeUnit(); }
- uint32_t getNextUnitOffset() const { return Header.getNextUnitOffset(); }
+ uint64_t getNextUnitOffset() const { return Header.getNextUnitOffset(); }
const DWARFSection &getLineSection() const { return LineSection; }
StringRef getStringSection() const { return StringSection; }
const DWARFSection &getStringOffsetSection() const {
@@ -303,7 +304,7 @@ public:
/// Recursively update address to Die map.
void updateAddressDieMap(DWARFDie Die);
- void setRangesSection(const DWARFSection *RS, uint32_t Base) {
+ void setRangesSection(const DWARFSection *RS, uint64_t Base) {
RangeSection = RS;
RangeSectionBase = Base;
}
@@ -322,7 +323,7 @@ public:
/// .debug_ranges section. If the extraction is unsuccessful, an error
/// is returned. Successful extraction requires that the compile unit
/// has already been extracted.
- Error extractRangeList(uint32_t RangeListOffset,
+ Error extractRangeList(uint64_t RangeListOffset,
DWARFDebugRangeList &RangeList) const;
void clear();
@@ -405,7 +406,7 @@ public:
/// Return a vector of address ranges resulting from a (possibly encoded)
/// range list starting at a given offset in the appropriate ranges section.
- Expected<DWARFAddressRangesVector> findRnglistFromOffset(uint32_t Offset);
+ Expected<DWARFAddressRangesVector> findRnglistFromOffset(uint64_t Offset);
/// Return a vector of address ranges retrieved from an encoded range
/// list whose offset is found via a table lookup given an index (DWARF v5
@@ -415,7 +416,7 @@ public:
/// Return a rangelist's offset based on an index. The index designates
/// an entry in the rangelist table's offset array and is supplied by
/// DW_FORM_rnglistx.
- Optional<uint32_t> getRnglistOffset(uint32_t Index) {
+ Optional<uint64_t> getRnglistOffset(uint32_t Index) {
if (RngListTable)
return RngListTable->getOffsetEntry(Index);
return None;
@@ -470,7 +471,7 @@ public:
/// unit's DIE vector.
///
/// The unit needs to have its DIEs extracted for this method to work.
- DWARFDie getDIEForOffset(uint32_t Offset) {
+ DWARFDie getDIEForOffset(uint64_t Offset) {
extractDIEsIfNeeded(false);
assert(!DieArray.empty());
auto It =
@@ -495,15 +496,19 @@ public:
}
virtual void dump(raw_ostream &OS, DIDumpOptions DumpOpts) = 0;
+
+ Error tryExtractDIEsIfNeeded(bool CUDieOnly);
+
private:
/// Size in bytes of the .debug_info data associated with this compile unit.
size_t getDebugInfoSize() const {
- return Header.getLength() + 4 - getHeaderSize();
+ return Header.getLength() + Header.getUnitLengthFieldByteSize() -
+ 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);
+ /// hasn't already been done
+ void extractDIEsIfNeeded(bool CUDieOnly);
/// extractDIEsToVector - Appends all parsed DIEs to a vector.
void extractDIEsToVector(bool AppendCUDie, bool AppendNonCUDIEs,
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 07:05:18 +0000