llvm::DWARFTypeUnit

A DWARF type unit and its parsed DIEs.

Synopsis

Declared in <llvm/DebugInfo/DWARF/DWARFTypeUnit.h>

class DWARFTypeUnit
    : public DWARFUnit

Base Classes

NameDescription
DWARFUnitA DWARF compile or type unit and its parsed DIEs.

Member Functions

NameDescription
DWARFTypeUnit [constructor]Construct a type unit for Section using Header and related DWARF sections.
clear Clear parsed DIE and abbreviation state for this unit.
clearDWO Release the DWO context owned by this skeleton unit.
collectAddressRanges Collect address ranges covered by this unit's DIE tree.
dies Return an iterator range over this unit's DIEs, extracting them if needed.
dump dump overloads
extractRangeList Extract a range list from .debug_ranges for this compile unit.
findLoclistFromOffset Return location expressions from the loclist at offset Offset.
findRnglistFromIndex Return address ranges from the indexed range list at Index.
findRnglistFromOffset Return address ranges from the range list at offset Offset.
getAbbrOffset Offset of this unit's abbreviations within .debug_abbrev.
getAbbreviations Abbreviation set for this unit, or nullptr if unavailable.
getAbbreviationsOffset Offset of this unit's abbreviation set within .debug_abbrev.
getAddrOffsetSectionBase Base offset of this unit's contribution within .debug_addr, if set.
getAddrOffsetSectionItem Look up address Index in this unit's .debug_addr contribution.
getAddressByteSize Address size in bytes for this unit.
getBaseAddress Unit base address from DW_AT_low_pc or DW_AT_entry_pc, if present.
getCompilationDir Return the DW_AT_comp_dir compilation directory string, or nullptr if absent.
getContext Return the DWARF context that owns this unit.
getDIEAtIndex Return the DIE object at the given index Index.
getDIEForOffset Return the DIE object for a given offset Offset inside the unit's DIE vector.
getDIEIndex Return the index of a DIE inside the unit's DIE vector.
getDIEIndexForOffset Return the DIE index for a given offset Offset inside the unit's DIE vector.
getDWO Return the split unit this skeleton unit currently owns, or null if its DWO context is not open.
getDWOId DWO ID from the unit DIE/header for split DWARF, if present.
getDebugInfoExtractor Data extractor over this unit's .debug_info/.debug_types bytes.
getDwarfOffsetByteSize Byte size of a DWARF section offset for this unit's format (4 or 8).
getDwarfStringOffsetsByteSize Byte size of one entry in this unit's string-offsets contribution.
getFirstChild Return the first child DIE of Die, or an invalid DIE if it has none.
getFormParams Form parameters (version, address size, format) for this unit.
getFormat DWARF format (32- or 64-bit) of this unit.
getHeaderSize Size in bytes of the parsed unit header.
getIndexedAddressOffset Returns offset to the indexed address value inside .debug_addr section.
getInfoSection Section containing this unit's .debug_info/.debug_types data.
getInlinedChainForAddress Fetch the inlined call chain for a given address.
getLastChild Return the last child DIE of Die (the terminating null), or invalid if none.
getLength Length of this unit's contribution from the unit header.
getLineSection Return the .debug_line section associated with this unit.
getLineTableOffset Offset of this unit's .debug_line contribution from the package index, or 0.
getLinkedUnit Return this unit, or its skeleton unit when this is a split DWO unit.
getLocSectionBase Base offset of this unit's contribution within the location section.
getLocationTable Location list table for this unit.
getLoclistOffset Return a loclist's offset based on index Index (DW_FORM_loclistx).
getNextUnitOffset Absolute section offset of the unit that follows this one.
getNonSkeletonUnitDIE Return the split/DWO unit DIE when available, otherwise this unit's DIE.
getNumDIEs Returns the number of DIEs in the unit. Parses the unit if necessary.
getOffset Byte offset of this unit within its info/types section.
getParent Return the parent DIE of Die, or an invalid DIE if it has none.
getPreviousSibling Return the previous sibling DIE of Die, or an invalid DIE if none.
getRefAddrByteSize Byte size of a DW_FORM_ref_addr value for this unit.
getRnglistOffset Return a rangelist's offset based on an index.
getSibling Return the next sibling DIE of Die, or an invalid DIE if none.
getStringExtractor Data extractor over this unit's .debug_str section bytes.
getStringOffsetSection Return the .debug_str_offsets section associated with this unit.
getStringOffsetSectionItem Look up string-offset Index in this unit's .debug_str_offsets contribution.
getStringOffsetsBase Base offset of this unit's contribution to .debug_str_offsets.
getStringOffsetsTableContribution Return this unit's contribution to .debug_str_offsets (extracting the CU DIE if needed).
getStringSection Return the .debug_str section associated with this unit.
getSubroutineForAddress Return the subprogram DIE whose address range covers Address.
getTypeHash Type signature hash for this type unit.
getTypeOffset Offset of the type DIE within this type unit.
getUnitDIE Return the root unit DIE, optionally extracting only that DIE.
getUnitType DWARF unit type (e.g. DW_UT_compile) from the unit header.
getUnitVector Return the DWARFUnitVector containing this unit.
getVariableForAddress Return the variable DIE for address Address.
getVersion DWARF version number from this unit's header.
isDWOUnit True if this unit came from a .dwo/.dwp split DWARF object.
isLittleEndian True if this unit's data is little-endian.
isTypeUnit True if this is a type unit (including split type units).
setAddrOffsetSection Set the .debug_addr section and this unit's base offset within it.
setDWOId Set the DWO ID on this unit's header.
setRangesSection Set the .debug_ranges/.debug_rnglists section and this unit's base offset.
setSkeletonUnit Associate skeleton unit SU with this split/DWO unit.
tryExtractDIEsIfNeeded Parse this unit's DIEs if needed; return an error instead of reporting it.
updateAddressDieMap Recursively update address to Die map.
updateVariableDieMap Recursively update address to variable Die map.

Static Member Functions

NameDescription
classof Enable LLVM-style RTTI.
isMatchingUnitTypeAndTag True if DIE tag Tag is valid for unit type UnitType.

Protected Member Functions

NameDescription
determineStringOffsetsTableContribution Find this unit's contribution to the string offsets table.
determineStringOffsetsTableContributionDWO Find this DWO/DWP unit's contribution to the string offsets table.
getDIEIndex Return the index of a Die entry inside the unit's DIE vector.
getDebugInfoEntry Return DWARFDebugInfoEntry for the specified index Index.
getFirstChildEntry Return the first child entry of Die, or nullptr.
getHeader Return this unit's parsed header.
getLastChildEntry Return the last child entry of Die, or nullptr.
getParentEntry Return the parent debug-info entry of Die, or nullptr.
getPreviousSiblingEntry Return the previous sibling entry of Die, or nullptr.
getSiblingEntry Return the next sibling entry of Die, or nullptr.

Non-Member Functions

NameDescription
prettyPrintRegisterOpPretty print a register opcode and operands.