LLVM 18.0.0git
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DWARFContext This data structure is the top level entity that deals with dwarf debug information parsing. More...
#include "llvm/DebugInfo/DWARF/DWARFContext.h"
Classes | |
struct | DIEsForAddress |
Wraps the returned DIEs for a given address. More... | |
class | DWARFContextState |
DWARFContextState This structure contains all member variables for DWARFContext that need to be protected in multi-threaded environments. More... | |
Public Types | |
enum class | ProcessDebugRelocations { Process , Ignore } |
using | unit_iterator_range = DWARFUnitVector::iterator_range |
using | compile_unit_range = DWARFUnitVector::compile_unit_range |
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enum | DIContextKind { CK_DWARF , CK_PDB , CK_BTF } |
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static bool | classof (const DIContext *DICtx) |
static unsigned | getMaxSupportedVersion () |
static bool | isSupportedVersion (unsigned version) |
static SmallVector< uint8_t, 3 > | getSupportedAddressSizes () |
static bool | isAddressSizeSupported (unsigned AddressSize) |
template<typename... Ts> | |
static Error | checkAddressSizeSupported (unsigned AddressSize, std::error_code EC, char const *Fmt, const Ts &...Vals) |
static std::unique_ptr< DWARFContext > | create (const object::ObjectFile &Obj, ProcessDebugRelocations RelocAction=ProcessDebugRelocations::Process, const LoadedObjectInfo *L=nullptr, std::string DWPName="", std::function< void(Error)> RecoverableErrorHandler=WithColor::defaultErrorHandler, std::function< void(Error)> WarningHandler=WithColor::defaultWarningHandler, bool ThreadSafe=false) |
static std::unique_ptr< DWARFContext > | create (const StringMap< std::unique_ptr< MemoryBuffer > > &Sections, uint8_t AddrSize, bool isLittleEndian=sys::IsLittleEndianHost, std::function< void(Error)> RecoverableErrorHandler=WithColor::defaultErrorHandler, std::function< void(Error)> WarningHandler=WithColor::defaultWarningHandler, bool ThreadSafe=false) |
Friends | |
class | DWARFContextState |
DWARFContext This data structure is the top level entity that deals with dwarf debug information parsing.
The actual data is supplied through DWARFObj.
Definition at line 48 of file DWARFContext.h.
Definition at line 166 of file DWARFContext.h.
Definition at line 165 of file DWARFContext.h.
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Process | |
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Definition at line 430 of file DWARFContext.h.
DWARFContext::DWARFContext | ( | std::unique_ptr< const DWARFObject > | DObj, |
std::string | DWPName = "" , |
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std::function< void(Error)> | RecoverableErrorHandler = WithColor::defaultErrorHandler , |
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std::function< void(Error)> | WarningHandler = WithColor::defaultWarningHandler , |
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bool | ThreadSafe = false |
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Definition at line 746 of file DWARFContext.cpp.
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Definition at line 405 of file DWARFContext.h.
References llvm::format(), getSupportedAddressSizes(), isAddressSizeSupported(), Size, llvm::raw_string_ostream::str(), and llvm::Error::success().
Referenced by llvm::DWARFDebugRangeList::extract(), llvm::DWARFUnitHeader::extract(), llvm::DWARFDebugArangeSet::extract(), and llvm::DWARFListTableHeader::extract().
Definition at line 149 of file DWARFContext.h.
References llvm::DIContext::CK_DWARF, and llvm::DIContext::getKind().
void DWARFContext::clearLineTableForUnit | ( | DWARFUnit * | U | ) |
Definition at line 1499 of file DWARFContext.cpp.
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Get compile units in this context.
Definition at line 188 of file DWARFContext.h.
References info_section_units(), llvm::isCompileUnit(), and llvm::make_filter_range().
Referenced by llvm::gsym::DwarfTransformer::convert(), dump(), llvm::DWARFDebugAranges::generate(), getCompileUnitForDataAddress(), getCUAddrSize(), and llvm::DWARFContext::DWARFContextState::parseMacroOrMacinfo().
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Definition at line 2412 of file DWARFContext.cpp.
Referenced by llvm::orc::createDWARFContext(), llvm::logicalview::LVELFReader::createScopes(), llvm::InstrProfCorrelatorImpl< IntPtrT >::get(), ThreadUnsafeDWARFContextState::getDWOContext(), and llvm::symbolize::LLVMSymbolizer::getOrCreateModuleInfo().
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Definition at line 2428 of file DWARFContext.cpp.
References isLittleEndian().
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Implements llvm::DIContext.
Definition at line 158 of file DWARFContext.h.
References llvm::DIDT_ID_Count, dump(), and OS.
void DWARFContext::dump | ( | raw_ostream & | OS, |
DIDumpOptions | DumpOpts, | ||
std::array< std::optional< uint64_t >, DIDT_ID_Count > | DumpOffsets | ||
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Dump a textual representation to OS
.
If any DumpOffsets
are present, dump only the record at the specified offset.
Definition at line 988 of file DWARFContext.cpp.
References compile_units(), llvm::Data, DF, llvm::DIDT_All, llvm::DIDT_UUID, llvm::DIDumpOptions::DisplayRawContents, llvm::DWARFGdbIndex::dump(), llvm::DWARFDebugAbbrev::dump(), llvm::DWARFDebugArangeSet::dump(), llvm::DWARFDebugRangeList::dump(), llvm::DWARFUnitIndex::dump(), llvm::AppleAcceleratorTable::dump(), llvm::DWARFDebugNames::dump(), llvm::DWARFDebugLoc::dump(), dumpAddrSection(), llvm::DWARFLocationTable::dumpLocationList(), dumpLoclistsSection(), dumpPubTableSection(), llvm::DWARFDebugLoclists::dumpRange(), dumpRnglistsSection(), dumpStringOffsetsSection(), llvm::DIDumpOptions::DumpType, dumpUUID(), dwo_info_section_units(), dwo_types_section_units(), dwo_units(), E, llvm::sys::path::extension(), llvm::DWARFDebugRangeList::extract(), llvm::DWARFDebugArangeSet::extract(), llvm::format(), getAppleNames(), getAppleNamespaces(), getAppleObjC(), getAppleTypes(), llvm::DataExtractor::getCStr(), getCUAddrSize(), getCUIndex(), getDebugAbbrev(), getDebugAbbrevDWO(), getDebugFrame(), getDebugLoc(), getDebugMacinfo(), getDebugMacinfoDWO(), getDebugMacro(), getDebugMacroDWO(), getDebugNames(), getEHFrame(), getGdbIndex(), getMaxVersion(), getNumCompileUnits(), getNumDWOCompileUnits(), getNumDWOTypeUnits(), getNumTypeUnits(), getTUIndex(), I, info_section_units(), isLittleEndian(), llvm::DataExtractor::isValidOffset(), llvm::Macro, Name, llvm::DIDumpOptions::noImplicitRecursion(), normal_units(), llvm::Offset, OS, llvm::DIDumpOptions::RecoverableErrorHandler, llvm::Error::success(), types_section_units(), llvm::DIDumpOptions::Verbose, llvm::DIDumpOptions::WarningHandler, and llvm::raw_ostream::write_escaped().
Referenced by dump().
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Get compile units in the DWO context.
Definition at line 220 of file DWARFContext.h.
References dwo_info_section_units(), llvm::isCompileUnit(), and llvm::make_filter_range().
Referenced by getDWOCompileUnitForHash(), and llvm::DWARFContext::DWARFContextState::parseMacroOrMacinfo().
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Get units from .debug_info..dwo in the DWO context.
Definition at line 202 of file DWARFContext.h.
References llvm::SmallVectorTemplateCommon< T, typename >::begin(), and llvm::DWARFUnitVector::getNumInfoUnits().
Referenced by dump(), dwo_compile_units(), and getMaxDWOVersion().
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Get units from .debug_types.dwo in the DWO context.
Definition at line 213 of file DWARFContext.h.
References llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::SmallVectorTemplateCommon< T, typename >::end(), and llvm::DWARFUnitVector::getNumInfoUnits().
Referenced by dump().
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Get all units in the DWO context.
Definition at line 229 of file DWARFContext.h.
References llvm::SmallVectorTemplateCommon< T, typename >::begin(), and llvm::SmallVectorTemplateCommon< T, typename >::end().
Referenced by dump().
const AppleAcceleratorTable & DWARFContext::getAppleNames | ( | ) |
Get a reference to the parsed accelerator table object.
Definition at line 1467 of file DWARFContext.cpp.
Referenced by dump().
const AppleAcceleratorTable & DWARFContext::getAppleNamespaces | ( | ) |
Get a reference to the parsed accelerator table object.
Definition at line 1475 of file DWARFContext.cpp.
Referenced by dump().
const AppleAcceleratorTable & DWARFContext::getAppleObjC | ( | ) |
Get a reference to the parsed accelerator table object.
Definition at line 1479 of file DWARFContext.cpp.
Referenced by dump().
const AppleAcceleratorTable & DWARFContext::getAppleTypes | ( | ) |
Get a reference to the parsed accelerator table object.
Definition at line 1471 of file DWARFContext.cpp.
Referenced by dump().
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Definition at line 455 of file DWARFContext.h.
References llvm::object::ObjectFile::getArch(), getDWARFObj(), and llvm::DWARFObject::getFile().
DWARFCompileUnit * DWARFContext::getCompileUnitForCodeAddress | ( | uint64_t | Address | ) |
Return the compile unit which contains instruction with provided address.
TODO: change input parameter from "uint64_t Address" into "SectionedAddress Address"
Definition at line 1512 of file DWARFContext.cpp.
References llvm::Address, llvm::DWARFDebugAranges::findAddress(), getCompileUnitForOffset(), and getDebugAranges().
Referenced by getDIEsForAddress(), getInliningInfoForAddress(), getLineInfoForAddress(), getLineInfoForAddressRange(), and getLocalsForAddress().
DWARFCompileUnit * DWARFContext::getCompileUnitForDataAddress | ( | uint64_t | Address | ) |
Return the compile unit which contains data with the provided address.
Note: This is more expensive than getCompileUnitForAddress
, as if Address
isn't found in the CU ranges (which is cheap), then it falls back to an expensive O(n) walk of all CU's looking for data that spans the address. TODO: change input parameter from "uint64_t Address" into "SectionedAddress Address"
Definition at line 1517 of file DWARFContext.cpp.
References llvm::Address, compile_units(), llvm::DWARFDebugAranges::findAddress(), getCompileUnitForOffset(), and getDebugAranges().
Referenced by getLineInfoForDataAddress().
DWARFCompileUnit * DWARFContext::getCompileUnitForOffset | ( | uint64_t | Offset | ) |
Return the compile unit that includes an offset (relative to .debug_info).
Definition at line 1507 of file DWARFContext.cpp.
References llvm::Offset.
Referenced by getCompileUnitForCodeAddress(), and getCompileUnitForDataAddress().
uint8_t DWARFContext::getCUAddrSize | ( | ) |
Get address size from CUs.
TODO: refactor compile_units() to make this const.
Definition at line 2439 of file DWARFContext.cpp.
References compile_units().
Referenced by dump().
const DWARFUnitIndex & DWARFContext::getCUIndex | ( | ) |
Definition at line 1410 of file DWARFContext.cpp.
Referenced by dump(), and getDWOCompileUnitForHash().
const DWARFDebugAbbrev * DWARFContext::getDebugAbbrev | ( | ) |
Get a pointer to the parsed DebugAbbrev object.
Definition at line 1422 of file DWARFContext.cpp.
Referenced by dump(), and llvm::DWARFVerifier::handleDebugAbbrev().
const DWARFDebugAbbrev * DWARFContext::getDebugAbbrevDWO | ( | ) |
Get a pointer to the parsed dwo abbreviations object.
Definition at line 1426 of file DWARFContext.cpp.
Referenced by dump(), and llvm::DWARFVerifier::handleDebugAbbrev().
const DWARFDebugAranges * DWARFContext::getDebugAranges | ( | ) |
Get a pointer to the parsed DebugAranges object.
Definition at line 1434 of file DWARFContext.cpp.
Referenced by getCompileUnitForCodeAddress(), and getCompileUnitForDataAddress().
Expected< const DWARFDebugFrame * > DWARFContext::getDebugFrame | ( | ) |
Get a pointer to the parsed frame information object.
Definition at line 1438 of file DWARFContext.cpp.
Referenced by dump().
const DWARFDebugLoc * DWARFContext::getDebugLoc | ( | ) |
Get a pointer to the parsed DebugLoc object.
Definition at line 1430 of file DWARFContext.cpp.
Referenced by dump().
const DWARFDebugMacro * DWARFContext::getDebugMacinfo | ( | ) |
Get a pointer to the parsed DebugMacinfo information object.
Definition at line 1454 of file DWARFContext.cpp.
Referenced by dump().
const DWARFDebugMacro * DWARFContext::getDebugMacinfoDWO | ( | ) |
Get a pointer to the parsed DebugMacinfoDWO information object.
Definition at line 1458 of file DWARFContext.cpp.
Referenced by dump().
const DWARFDebugMacro * DWARFContext::getDebugMacro | ( | ) |
Get a pointer to the parsed DebugMacro information object.
Definition at line 1446 of file DWARFContext.cpp.
Referenced by dump().
const DWARFDebugMacro * DWARFContext::getDebugMacroDWO | ( | ) |
Get a pointer to the parsed DebugMacroDWO information object.
Definition at line 1450 of file DWARFContext.cpp.
Referenced by dump().
const DWARFDebugNames & DWARFContext::getDebugNames | ( | ) |
Get a reference to the parsed accelerator table object.
Definition at line 1463 of file DWARFContext.cpp.
Referenced by dump().
Get a DIE given an exact offset.
Definition at line 1385 of file DWARFContext.cpp.
References llvm::Offset.
DWARFContext::DIEsForAddress DWARFContext::getDIEsForAddress | ( | uint64_t | Address | ) |
Get the compilation unit, the function DIE and lexical block DIE for the given address where applicable.
TODO: change input parameter from "uint64_t Address" into "SectionedAddress Address"
Definition at line 1540 of file DWARFContext.cpp.
References llvm::Address, llvm::append_range(), getCompileUnitForCodeAddress(), and llvm::DIE::getTag().
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Definition at line 147 of file DWARFContext.h.
Referenced by dumpAttribute(), dumpLocationList(), llvm::DWARFFormValue::dumpSectionedAddress(), llvm::DWARFVerifier::DWARFVerifier(), llvm::DWARFDebugAranges::generate(), getArch(), llvm::DWARFVerifier::handleAccelTables(), llvm::DWARFVerifier::handleDebugAbbrev(), llvm::DWARFVerifier::handleDebugCUIndex(), llvm::DWARFVerifier::handleDebugInfo(), llvm::DWARFVerifier::handleDebugStrOffsets(), llvm::DWARFVerifier::handleDebugTUIndex(), llvm::DWARFContext::DWARFContextState::parseMacroOrMacinfo(), and llvm::DWARFVerifier::verifyDebugStrOffsets().
DWARFCompileUnit * DWARFContext::getDWOCompileUnitForHash | ( | uint64_t | Hash | ) |
Definition at line 1355 of file DWARFContext.cpp.
References dwo_compile_units(), getCUIndex(), llvm::DWARFUnitVector::getUnitForIndexEntry(), and llvm::dwarf::toUnsigned().
std::shared_ptr< DWARFContext > DWARFContext::getDWOContext | ( | StringRef | AbsolutePath | ) |
Definition at line 1864 of file DWARFContext.cpp.
Get the unit at the specified index for the DWO units.
Definition at line 260 of file DWARFContext.h.
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Definition at line 208 of file DWARFContext.h.
Referenced by llvm::DWARFVerifier::handleDebugInfo().
Expected< const DWARFDebugFrame * > DWARFContext::getEHFrame | ( | ) |
Get a pointer to the parsed eh frame information object.
Definition at line 1442 of file DWARFContext.cpp.
Referenced by dump().
DWARFGdbIndex & DWARFContext::getGdbIndex | ( | ) |
Definition at line 1418 of file DWARFContext.cpp.
Referenced by dump().
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Implements llvm::DIContext.
Definition at line 1795 of file DWARFContext.cpp.
References llvm::DIInliningInfo::addFrame(), llvm::Address, llvm::DILineInfo::Column, llvm::DILineInfo::Discriminator, llvm::DILineInfo::FileName, llvm::DWARFDie::find(), llvm::DILineInfo::FunctionName, llvm::DWARFDie::getCallerFrame(), getCompileUnitForCodeAddress(), llvm::DWARFDie::getDeclFile(), llvm::DWARFDie::getDeclLine(), llvm::DWARFDebugLine::LineTable::getFileLineInfoForAddress(), llvm::DWARFDebugLine::LineTable::getFileNameByIndex(), getLineTableForUnit(), llvm::DWARFDie::getSubroutineName(), llvm::DILineInfo::Line, Name, llvm::SmallVectorBase< Size_T >::size(), llvm::DILineInfo::StartAddress, llvm::DILineInfo::StartFileName, llvm::DILineInfo::StartLine, and llvm::dwarf::toSectionedAddress().
Referenced by llvm::gsym::DwarfTransformer::verify().
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Implements llvm::DIContext.
Definition at line 1704 of file DWARFContext.cpp.
References llvm::Address, getCompileUnitForCodeAddress(), getFunctionNameAndStartLineForAddress(), and getLineTableForUnit().
Referenced by llvm::gsym::DwarfTransformer::verify().
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Implements llvm::DIContext.
Definition at line 1740 of file DWARFContext.cpp.
References llvm::Address, llvm::DILineInfo::BadString, getCompileUnitForCodeAddress(), llvm::DWARFDebugLine::LineTable::getFileNameByIndex(), getFunctionNameAndStartLineForAddress(), getLineTableForUnit(), llvm::DWARFDebugLine::LineTable::lookupAddressRange(), llvm::DWARFDebugLine::LineTable::Rows, and Size.
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Implements llvm::DIContext.
Definition at line 1726 of file DWARFContext.cpp.
References llvm::Address, getCompileUnitForDataAddress(), llvm::DWARFDie::getDeclFile(), and llvm::DWARFDie::getDeclLine().
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Definition at line 359 of file DWARFContext.h.
Referenced by llvm::DWARFFormValue::getAsCString().
const DWARFDebugLine::LineTable * DWARFContext::getLineTableForUnit | ( | DWARFUnit * | U | ) |
Get a pointer to a parsed line table corresponding to a compile unit.
Report any parsing issues as warnings on stderr.
Definition at line 1484 of file DWARFContext.cpp.
References getLineTableForUnit(), and llvm::Expected< T >::takeError().
Referenced by llvm::gsym::CUInfo::CUInfo(), llvm::DWARFFormValue::getAsFile(), getInliningInfoForAddress(), getLineInfoForAddress(), getLineInfoForAddressRange(), and getLineTableForUnit().
Expected< const DWARFDebugLine::LineTable * > DWARFContext::getLineTableForUnit | ( | DWARFUnit * | U, |
function_ref< void(Error)> | RecoverableErrorHandler | ||
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Get a pointer to a parsed line table corresponding to a compile unit.
Report any recoverable parsing problems using the handler.
Definition at line 1494 of file DWARFContext.cpp.
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Implements llvm::DIContext.
Definition at line 1692 of file DWARFContext.cpp.
References llvm::Address, getCompileUnitForCodeAddress(), and llvm::DWARFDie::isValid().
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Definition at line 279 of file DWARFContext.h.
References dwo_info_section_units().
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Definition at line 393 of file DWARFContext.h.
Referenced by llvm::DWARFUnitHeader::extract(), and isSupportedVersion().
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Definition at line 273 of file DWARFContext.h.
References info_section_units().
Referenced by dump().
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Definition at line 176 of file DWARFContext.h.
Referenced by llvm::DWARFVerifier::handleDebugInfo().
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Get the number of compile units in this context.
Definition at line 235 of file DWARFContext.h.
Referenced by dump().
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Get the number of compile units in the DWO context.
Definition at line 245 of file DWARFContext.h.
Referenced by dump().
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Get the number of type units in the DWO context.
Definition at line 250 of file DWARFContext.h.
Referenced by dump().
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Get the number of type units in this context.
Definition at line 240 of file DWARFContext.h.
Referenced by dump().
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Returns whether CU/TU should be populated manually.
TU Index populated manually only for DWARF5.
Definition at line 476 of file DWARFContext.h.
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Definition at line 424 of file DWARFContext.h.
Referenced by llvm::DWARFDebugAranges::generate(), and llvm::DWARFContext::DWARFContextState::parseMacroOrMacinfo().
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Definition at line 356 of file DWARFContext.h.
Referenced by llvm::DWARFContext::DWARFContextState::parseMacroOrMacinfo().
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Definition at line 353 of file DWARFContext.h.
Referenced by llvm::DWARFFormValue::getAsCString(), and llvm::DWARFContext::DWARFContextState::parseMacroOrMacinfo().
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Definition at line 398 of file DWARFContext.h.
Referenced by checkAddressSizeSupported(), and isAddressSizeSupported().
const DWARFUnitIndex & DWARFContext::getTUIndex | ( | ) |
Definition at line 1414 of file DWARFContext.cpp.
Referenced by dump(), and getTypeUnitForHash().
DWARFTypeUnit * DWARFContext::getTypeUnitForHash | ( | uint16_t | Version, |
uint64_t | Hash, | ||
bool | IsDWO | ||
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Definition at line 1339 of file DWARFContext.cpp.
References getTUIndex(), and llvm::DWARFUnitVector::getUnitForIndexEntry().
Referenced by llvm::DWARFDie::resolveTypeUnitReference().
Get the unit at the specified index.
Definition at line 255 of file DWARFContext.h.
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Definition at line 428 of file DWARFContext.h.
Referenced by llvm::DWARFDebugAranges::generate().
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Get units from .debug_info in this context.
Definition at line 169 of file DWARFContext.h.
References llvm::SmallVectorTemplateCommon< T, typename >::begin(), and llvm::DWARFUnitVector::getNumInfoUnits().
Referenced by compile_units(), dump(), and getMaxVersion().
Definition at line 401 of file DWARFContext.h.
References getSupportedAddressSizes(), and llvm::is_contained().
Referenced by checkAddressSizeSupported(), and llvm::DWARFDebugRangeList::RangeListEntry::isBaseAddressSelectionEntry().
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Definition at line 392 of file DWARFContext.h.
Referenced by create(), dump(), dumpLocationExpr(), llvm::DWARFDebugAranges::generate(), llvm::DWARFVerifier::handleAccelTables(), isVariableIndexable(), llvm::DWARFContext::DWARFContextState::parseMacroOrMacinfo(), and llvm::DWARFVerifier::verifyDebugStrOffsets().
Definition at line 394 of file DWARFContext.h.
References getMaxSupportedVersion().
Referenced by llvm::DWARFUnitHeader::extract().
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Get all normal compile/type units in this context.
Definition at line 196 of file DWARFContext.h.
References llvm::SmallVectorTemplateCommon< T, typename >::begin(), and llvm::SmallVectorTemplateCommon< T, typename >::end().
Referenced by dump().
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Definition at line 285 of file DWARFContext.h.
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Sets whether CU/TU should be populated manually.
TU Index populated manually only for DWARF5.
Definition at line 480 of file DWARFContext.h.
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Get units from .debug_types in this context.
Definition at line 181 of file DWARFContext.h.
References llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::SmallVectorTemplateCommon< T, typename >::end(), and llvm::DWARFUnitVector::getNumInfoUnits().
Referenced by dump().
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Reimplemented from llvm::DIContext.
Definition at line 1391 of file DWARFContext.cpp.
References llvm::DIDumpOptions::DumpType, llvm::DWARFVerifier::handleAccelTables(), llvm::DWARFVerifier::handleDebugAbbrev(), llvm::DWARFVerifier::handleDebugCUIndex(), llvm::DWARFVerifier::handleDebugInfo(), llvm::DWARFVerifier::handleDebugLine(), llvm::DWARFVerifier::handleDebugStrOffsets(), llvm::DWARFVerifier::handleDebugTUIndex(), OS, and Success.
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Definition at line 107 of file DWARFContext.h.