LLVM  16.0.0git
DWARFUnit.h
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1 //===- DWARFUnit.h ----------------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_DEBUGINFO_DWARF_DWARFUNIT_H
10 #define LLVM_DEBUGINFO_DWARF_DWARFUNIT_H
11 
12 #include "llvm/ADT/DenseSet.h"
13 #include "llvm/ADT/Optional.h"
14 #include "llvm/ADT/STLExtras.h"
15 #include "llvm/ADT/SmallVector.h"
16 #include "llvm/ADT/StringRef.h"
26 #include <cassert>
27 #include <cstddef>
28 #include <cstdint>
29 #include <map>
30 #include <memory>
31 #include <set>
32 #include <utility>
33 #include <vector>
34 
35 namespace llvm {
36 
37 class DWARFAbbreviationDeclarationSet;
38 class DWARFContext;
39 class DWARFDebugAbbrev;
40 class DWARFUnit;
41 class DWARFDebugRangeList;
42 class DWARFLocationTable;
43 class DWARFObject;
44 class raw_ostream;
45 struct DIDumpOptions;
46 struct DWARFSection;
47 
48 /// Base class describing the header of any kind of "unit." Some information
49 /// is specific to certain unit types. We separate this class out so we can
50 /// parse the header before deciding what specific kind of unit to construct.
52  // Offset within section.
53  uint64_t Offset = 0;
54  // Version, address size, and DWARF format.
56  uint64_t Length = 0;
57  uint64_t AbbrOffset = 0;
58 
59  // For DWO units only.
60  const DWARFUnitIndex::Entry *IndexEntry = nullptr;
61 
62  // For type units only.
63  uint64_t TypeHash = 0;
64  uint64_t TypeOffset = 0;
65 
66  // For v5 split or skeleton compile units only.
67  Optional<uint64_t> DWOId;
68 
69  // Unit type as parsed, or derived from the section kind.
70  uint8_t UnitType = 0;
71 
72  // Size as parsed. uint8_t for compactness.
73  uint8_t Size = 0;
74 
75 public:
76  /// Parse a unit header from \p debug_info starting at \p offset_ptr.
77  /// Note that \p SectionKind is used as a hint to guess the unit type
78  /// for DWARF formats prior to DWARFv5. In DWARFv5 the unit type is
79  /// explicitly defined in the header and the hint is ignored.
80  bool extract(DWARFContext &Context, const DWARFDataExtractor &debug_info,
82  // For units in DWARF Package File, remember the index entry and update
83  // the abbreviation offset read by extract().
84  bool applyIndexEntry(const DWARFUnitIndex::Entry *Entry);
85  uint64_t getOffset() const { return Offset; }
86  const dwarf::FormParams &getFormParams() const { return FormParams; }
87  uint16_t getVersion() const { return FormParams.Version; }
89  uint8_t getAddressByteSize() const { return FormParams.AddrSize; }
90  uint8_t getRefAddrByteSize() const { return FormParams.getRefAddrByteSize(); }
91  uint8_t getDwarfOffsetByteSize() const {
93  }
94  uint64_t getLength() const { return Length; }
95  uint64_t getAbbrOffset() const { return AbbrOffset; }
96  Optional<uint64_t> getDWOId() const { return DWOId; }
98  assert((!DWOId || *DWOId == Id) && "setting DWOId to a different value");
99  DWOId = Id;
100  }
101  const DWARFUnitIndex::Entry *getIndexEntry() const { return IndexEntry; }
102  uint64_t getTypeHash() const { return TypeHash; }
103  uint64_t getTypeOffset() const { return TypeOffset; }
104  uint8_t getUnitType() const { return UnitType; }
105  bool isTypeUnit() const {
106  return UnitType == dwarf::DW_UT_type || UnitType == dwarf::DW_UT_split_type;
107  }
108  uint8_t getSize() const { return Size; }
109  uint8_t getUnitLengthFieldByteSize() const {
111  }
113  return Offset + Length + getUnitLengthFieldByteSize();
114  }
115 };
116 
117 const DWARFUnitIndex &getDWARFUnitIndex(DWARFContext &Context,
118  DWARFSectionKind Kind);
119 
120 bool isCompileUnit(const std::unique_ptr<DWARFUnit> &U);
121 
122 /// Describe a collection of units. Intended to hold all units either from
123 /// .debug_info and .debug_types, or from .debug_info.dwo and .debug_types.dwo.
124 class DWARFUnitVector final : public SmallVector<std::unique_ptr<DWARFUnit>, 1> {
125  std::function<std::unique_ptr<DWARFUnit>(uint64_t, DWARFSectionKind,
126  const DWARFSection *,
127  const DWARFUnitIndex::Entry *)>
128  Parser;
129  int NumInfoUnits = -1;
130 
131 public:
133  using iterator = typename UnitVector::iterator;
135 
136  using compile_unit_range =
137  decltype(make_filter_range(std::declval<iterator_range>(), isCompileUnit));
138 
139  DWARFUnit *getUnitForOffset(uint64_t Offset) const;
141 
142  /// Read units from a .debug_info or .debug_types section. Calls made
143  /// before finishedInfoUnits() are assumed to be for .debug_info sections,
144  /// calls after finishedInfoUnits() are for .debug_types sections. Caller
145  /// must not mix calls to addUnitsForSection and addUnitsForDWOSection.
146  void addUnitsForSection(DWARFContext &C, const DWARFSection &Section,
148  /// Read units from a .debug_info.dwo or .debug_types.dwo section. Calls
149  /// made before finishedInfoUnits() are assumed to be for .debug_info.dwo
150  /// sections, calls after finishedInfoUnits() are for .debug_types.dwo
151  /// sections. Caller must not mix calls to addUnitsForSection and
152  /// addUnitsForDWOSection.
153  void addUnitsForDWOSection(DWARFContext &C, const DWARFSection &DWOSection,
154  DWARFSectionKind SectionKind, bool Lazy = false);
155 
156  /// Add an existing DWARFUnit to this UnitVector. This is used by the DWARF
157  /// verifier to process unit separately.
158  DWARFUnit *addUnit(std::unique_ptr<DWARFUnit> Unit);
159 
160  /// Returns number of all units held by this instance.
161  unsigned getNumUnits() const { return size(); }
162  /// Returns number of units from all .debug_info[.dwo] sections.
163  unsigned getNumInfoUnits() const {
164  return NumInfoUnits == -1 ? size() : NumInfoUnits;
165  }
166  /// Returns number of units from all .debug_types[.dwo] sections.
167  unsigned getNumTypesUnits() const { return size() - NumInfoUnits; }
168  /// Indicate that parsing .debug_info[.dwo] is done, and remaining units
169  /// will be from .debug_types[.dwo].
170  void finishedInfoUnits() { NumInfoUnits = size(); }
171 
172 private:
173  void addUnitsImpl(DWARFContext &Context, const DWARFObject &Obj,
174  const DWARFSection &Section, const DWARFDebugAbbrev *DA,
175  const DWARFSection *RS, const DWARFSection *LocSection,
176  StringRef SS, const DWARFSection &SOS,
177  const DWARFSection *AOS, const DWARFSection &LS, bool LE,
178  bool IsDWO, bool Lazy, DWARFSectionKind SectionKind);
179 };
180 
181 /// Represents base address of the CU.
182 /// Represents a unit's contribution to the string offsets table.
185  /// The contribution size not including the header.
187  /// Format and version.
189 
191  uint8_t Version, dwarf::DwarfFormat Format)
192  : Base(Base), Size(Size), FormParams({Version, 0, Format}) {}
194 
195  uint8_t getVersion() const { return FormParams.Version; }
197  uint8_t getDwarfOffsetByteSize() const {
199  }
200  /// Determine whether a contribution to the string offsets table is
201  /// consistent with the relevant section size and that its length is
202  /// a multiple of the size of one of its entries.
205 };
206 
207 class DWARFUnit {
208  DWARFContext &Context;
209  /// Section containing this DWARFUnit.
210  const DWARFSection &InfoSection;
211 
212  DWARFUnitHeader Header;
213  const DWARFDebugAbbrev *Abbrev;
214  const DWARFSection *RangeSection;
215  uint64_t RangeSectionBase;
216  uint64_t LocSectionBase;
217 
218  /// Location table of this unit.
219  std::unique_ptr<DWARFLocationTable> LocTable;
220 
221  const DWARFSection &LineSection;
222  StringRef StringSection;
223  const DWARFSection &StringOffsetSection;
224  const DWARFSection *AddrOffsetSection;
225  DWARFUnit *SU;
226  Optional<uint64_t> AddrOffsetSectionBase;
227  bool IsLittleEndian;
228  bool IsDWO;
229  const DWARFUnitVector &UnitVector;
230 
231  /// Start, length, and DWARF format of the unit's contribution to the string
232  /// offsets table (DWARF v5).
233  Optional<StrOffsetsContributionDescriptor> StringOffsetsTableContribution;
234 
235  mutable const DWARFAbbreviationDeclarationSet *Abbrevs;
237  /// The compile unit debug information entry items.
238  std::vector<DWARFDebugInfoEntry> DieArray;
239 
240  /// Map from range's start address to end address and corresponding DIE.
241  /// IntervalMap does not support range removal, as a result, we use the
242  /// std::map::upper_bound for address range lookup.
243  std::map<uint64_t, std::pair<uint64_t, DWARFDie>> AddrDieMap;
244 
245  /// Map from the location (interpreted DW_AT_location) of a DW_TAG_variable,
246  /// to the end address and the corresponding DIE.
247  std::map<uint64_t, std::pair<uint64_t, DWARFDie>> VariableDieMap;
248  DenseSet<uint64_t> RootsParsedForVariables;
249 
250  using die_iterator_range =
252 
253  std::shared_ptr<DWARFUnit> DWO;
254 
255 protected:
256  /// Return the index of a \p Die entry inside the unit's DIE vector.
257  ///
258  /// It is illegal to call this method with a DIE that hasn't be
259  /// created by this unit. In other word, it's illegal to call this
260  /// method on a DIE that isn't accessible by following
261  /// children/sibling links starting from this unit's getUnitDIE().
263  auto First = DieArray.data();
264  assert(Die >= First && Die < First + DieArray.size());
265  return Die - First;
266  }
267 
268  /// Return DWARFDebugInfoEntry for the specified index \p Index.
269  const DWARFDebugInfoEntry *getDebugInfoEntry(unsigned Index) const {
270  assert(Index < DieArray.size());
271  return &DieArray[Index];
272  }
273 
274  const DWARFDebugInfoEntry *
275  getParentEntry(const DWARFDebugInfoEntry *Die) const;
276  const DWARFDebugInfoEntry *
277  getSiblingEntry(const DWARFDebugInfoEntry *Die) const;
278  const DWARFDebugInfoEntry *
280  const DWARFDebugInfoEntry *
281  getFirstChildEntry(const DWARFDebugInfoEntry *Die) const;
282  const DWARFDebugInfoEntry *
283  getLastChildEntry(const DWARFDebugInfoEntry *Die) const;
284 
285  const DWARFUnitHeader &getHeader() const { return Header; }
286 
287  /// Find the unit's contribution to the string offsets table and determine its
288  /// length and form. The given offset is expected to be derived from the unit
289  /// DIE's DW_AT_str_offsets_base attribute.
292 
293  /// Find the unit's contribution to the string offsets table and determine its
294  /// length and form. The given offset is expected to be 0 in a dwo file or,
295  /// in a dwp file, the start of the unit's contribution to the string offsets
296  /// table section (as determined by the index table).
299 
300 public:
301  DWARFUnit(DWARFContext &Context, const DWARFSection &Section,
302  const DWARFUnitHeader &Header, const DWARFDebugAbbrev *DA,
303  const DWARFSection *RS, const DWARFSection *LocSection,
304  StringRef SS, const DWARFSection &SOS, const DWARFSection *AOS,
305  const DWARFSection &LS, bool LE, bool IsDWO,
306  const DWARFUnitVector &UnitVector);
307 
308  virtual ~DWARFUnit();
309 
310  bool isLittleEndian() const { return IsLittleEndian; }
311  bool isDWOUnit() const { return IsDWO; }
312  DWARFContext& getContext() const { return Context; }
313  const DWARFSection &getInfoSection() const { return InfoSection; }
314  uint64_t getOffset() const { return Header.getOffset(); }
316  return Header.getFormParams();
317  }
318  uint16_t getVersion() const { return Header.getVersion(); }
319  uint8_t getAddressByteSize() const { return Header.getAddressByteSize(); }
320  uint8_t getRefAddrByteSize() const { return Header.getRefAddrByteSize(); }
321  uint8_t getDwarfOffsetByteSize() const {
322  return Header.getDwarfOffsetByteSize();
323  }
324  /// Size in bytes of the parsed unit header.
325  uint32_t getHeaderSize() const { return Header.getSize(); }
326  uint64_t getLength() const { return Header.getLength(); }
327  dwarf::DwarfFormat getFormat() const { return Header.getFormat(); }
328  uint8_t getUnitType() const { return Header.getUnitType(); }
329  bool isTypeUnit() const { return Header.isTypeUnit(); }
330  uint64_t getAbbrOffset() const { return Header.getAbbrOffset(); }
331  uint64_t getNextUnitOffset() const { return Header.getNextUnitOffset(); }
332  const DWARFSection &getLineSection() const { return LineSection; }
333  StringRef getStringSection() const { return StringSection; }
335  return StringOffsetSection;
336  }
337 
338  void setSkeletonUnit(DWARFUnit *SU) { this->SU = SU; }
339  // Returns itself if not using Split DWARF, or if the unit is a skeleton unit
340  // - otherwise returns the split full unit's corresponding skeleton, if
341  // available.
342  DWARFUnit *getLinkedUnit() { return IsDWO ? SU : this; }
343 
344  void setAddrOffsetSection(const DWARFSection *AOS, uint64_t Base) {
345  AddrOffsetSection = AOS;
346  AddrOffsetSectionBase = Base;
347  }
348 
350  return AddrOffsetSectionBase;
351  }
352 
353  /// Recursively update address to Die map.
354  void updateAddressDieMap(DWARFDie Die);
355 
356  /// Recursively update address to variable Die map.
357  void updateVariableDieMap(DWARFDie Die);
358 
359  void setRangesSection(const DWARFSection *RS, uint64_t Base) {
360  RangeSection = RS;
361  RangeSectionBase = Base;
362  }
363 
365  return LocSectionBase;
366  }
367 
371 
373 
375  return DataExtractor(StringSection, false, 0);
376  }
377 
378  const DWARFLocationTable &getLocationTable() { return *LocTable; }
379 
380  /// Extract the range list referenced by this compile unit from the
381  /// .debug_ranges section. If the extraction is unsuccessful, an error
382  /// is returned. Successful extraction requires that the compile unit
383  /// has already been extracted.
384  Error extractRangeList(uint64_t RangeListOffset,
385  DWARFDebugRangeList &RangeList) const;
386  void clear();
387 
390  return StringOffsetsTableContribution;
391  }
392 
394  assert(StringOffsetsTableContribution);
395  return StringOffsetsTableContribution->getDwarfOffsetByteSize();
396  }
397 
399  assert(StringOffsetsTableContribution);
400  return StringOffsetsTableContribution->Base;
401  }
402 
403  uint64_t getAbbreviationsOffset() const { return Header.getAbbrOffset(); }
404 
406 
408  switch (UnitType) {
409  case dwarf::DW_UT_compile:
410  return Tag == dwarf::DW_TAG_compile_unit;
411  case dwarf::DW_UT_type:
412  return Tag == dwarf::DW_TAG_type_unit;
413  case dwarf::DW_UT_partial:
414  return Tag == dwarf::DW_TAG_partial_unit;
415  case dwarf::DW_UT_skeleton:
416  return Tag == dwarf::DW_TAG_skeleton_unit;
417  case dwarf::DW_UT_split_compile:
418  case dwarf::DW_UT_split_type:
419  return dwarf::isUnitType(Tag);
420  }
421  return false;
422  }
423 
425 
426  DWARFDie getUnitDIE(bool ExtractUnitDIEOnly = true) {
427  extractDIEsIfNeeded(ExtractUnitDIEOnly);
428  if (DieArray.empty())
429  return DWARFDie();
430  return DWARFDie(this, &DieArray[0]);
431  }
432 
433  DWARFDie getNonSkeletonUnitDIE(bool ExtractUnitDIEOnly = true,
434  StringRef DWOAlternativeLocation = {}) {
435  parseDWO(DWOAlternativeLocation);
436  return DWO ? DWO->getUnitDIE(ExtractUnitDIEOnly)
437  : getUnitDIE(ExtractUnitDIEOnly);
438  }
439 
440  const char *getCompilationDir();
442  extractDIEsIfNeeded(/*CUDieOnly*/ true);
443  return getHeader().getDWOId();
444  }
445  void setDWOId(uint64_t NewID) { Header.setDWOId(NewID); }
446 
447  /// Return a vector of address ranges resulting from a (possibly encoded)
448  /// range list starting at a given offset in the appropriate ranges section.
450 
451  /// Return a vector of address ranges retrieved from an encoded range
452  /// list whose offset is found via a table lookup given an index (DWARF v5
453  /// and later).
455 
456  /// Return a rangelist's offset based on an index. The index designates
457  /// an entry in the rangelist table's offset array and is supplied by
458  /// DW_FORM_rnglistx.
460 
462 
464 
467 
468  /// Returns subprogram DIE with address range encompassing the provided
469  /// address. The pointer is alive as long as parsed compile unit DIEs are not
470  /// cleared.
472 
473  /// Returns variable DIE for the address provided. The pointer is alive as
474  /// long as parsed compile unit DIEs are not cleared.
476 
477  /// getInlinedChainForAddress - fetches inlined chain for a given address.
478  /// Returns empty chain if there is no subprogram containing address. The
479  /// chain is valid as long as parsed compile unit DIEs are not cleared.
480  void getInlinedChainForAddress(uint64_t Address,
481  SmallVectorImpl<DWARFDie> &InlinedChain);
482 
483  /// Return the DWARFUnitVector containing this unit.
484  const DWARFUnitVector &getUnitVector() const { return UnitVector; }
485 
486  /// Returns the number of DIEs in the unit. Parses the unit
487  /// if necessary.
488  unsigned getNumDIEs() {
489  extractDIEsIfNeeded(false);
490  return DieArray.size();
491  }
492 
493  /// Return the index of a DIE inside the unit's DIE vector.
494  ///
495  /// It is illegal to call this method with a DIE that hasn't be
496  /// created by this unit. In other word, it's illegal to call this
497  /// method on a DIE that isn't accessible by following
498  /// children/sibling links starting from this unit's getUnitDIE().
499  uint32_t getDIEIndex(const DWARFDie &D) const {
500  return getDIEIndex(D.getDebugInfoEntry());
501  }
502 
503  /// Return the DIE object at the given index \p Index.
505  return DWARFDie(this, getDebugInfoEntry(Index));
506  }
507 
513 
514  /// Return the DIE object for a given offset \p Offset inside the
515  /// unit's DIE vector.
517  if (Optional<uint32_t> DieIdx = getDIEIndexForOffset(Offset))
518  return DWARFDie(this, &DieArray[*DieIdx]);
519 
520  return DWARFDie();
521  }
522 
523  /// Return the DIE index for a given offset \p Offset inside the
524  /// unit's DIE vector.
526  extractDIEsIfNeeded(false);
527  auto It =
528  llvm::partition_point(DieArray, [=](const DWARFDebugInfoEntry &DIE) {
529  return DIE.getOffset() < Offset;
530  });
531  if (It != DieArray.end() && It->getOffset() == Offset)
532  return It - DieArray.begin();
533  return None;
534  }
535 
537  if (auto IndexEntry = Header.getIndexEntry())
538  if (const auto *Contrib = IndexEntry->getContribution(DW_SECT_LINE))
539  return Contrib->Offset;
540  return 0;
541  }
542 
544  extractDIEsIfNeeded(false);
545  return die_iterator_range(DieArray.begin(), DieArray.end());
546  }
547 
548  virtual void dump(raw_ostream &OS, DIDumpOptions DumpOpts) = 0;
549 
550  Error tryExtractDIEsIfNeeded(bool CUDieOnly);
551 
552 private:
553  /// Size in bytes of the .debug_info data associated with this compile unit.
554  size_t getDebugInfoSize() const {
555  return Header.getLength() + Header.getUnitLengthFieldByteSize() -
556  getHeaderSize();
557  }
558 
559  /// extractDIEsIfNeeded - Parses a compile unit and indexes its DIEs if it
560  /// hasn't already been done
561  void extractDIEsIfNeeded(bool CUDieOnly);
562 
563  /// extractDIEsToVector - Appends all parsed DIEs to a vector.
564  void extractDIEsToVector(bool AppendCUDie, bool AppendNonCUDIEs,
565  std::vector<DWARFDebugInfoEntry> &DIEs) const;
566 
567  /// clearDIEs - Clear parsed DIEs to keep memory usage low.
568  void clearDIEs(bool KeepCUDie);
569 
570  /// parseDWO - Parses .dwo file for current compile unit. Returns true if
571  /// it was actually constructed.
572  /// The \p AlternativeLocation specifies an alternative location to get
573  /// the DWARF context for the DWO object; this is the case when it has
574  /// been moved from its original location.
575  bool parseDWO(StringRef AlternativeLocation = {});
576 };
577 
578 inline bool isCompileUnit(const std::unique_ptr<DWARFUnit> &U) {
579  return !U->isTypeUnit();
580 }
581 
582 } // end namespace llvm
583 
584 #endif // LLVM_DEBUGINFO_DWARF_DWARFUNIT_H
llvm::DWARFDebugRangeList
Definition: DWARFDebugRangeList.h:24
llvm::DWARFSection
Definition: DWARFSection.h:16
llvm::DWARFUnit::getAbbreviations
const DWARFAbbreviationDeclarationSet * getAbbreviations() const
Definition: DWARFUnit.cpp:1041
llvm::DWARFUnit::findRnglistFromIndex
Expected< DWARFAddressRangesVector > findRnglistFromIndex(uint32_t Index)
Return a vector of address ranges retrieved from an encoded range list whose offset is found via a ta...
Definition: DWARFUnit.cpp:671
llvm::DWARFUnit::getFirstChild
DWARFDie getFirstChild(const DWARFDebugInfoEntry *Die)
Definition: DWARFUnit.cpp:971
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
llvm::DWARFUnitHeader::getLength
uint64_t getLength() const
Definition: DWARFUnit.h:94
llvm::DWARFUnit::getStringSection
StringRef getStringSection() const
Definition: DWARFUnit.h:333
Optional.h
llvm::DWARFUnit::getRnglistOffset
Optional< uint64_t > getRnglistOffset(uint32_t Index)
Return a rangelist's offset based on an index.
Definition: DWARFUnit.cpp:1186
StringRef.h
llvm::SmallVector
This is a 'vector' (really, a variable-sized array), optimized for the case when the array is small.
Definition: SmallVector.h:1199
llvm::DWARFUnit::getStringExtractor
DataExtractor getStringExtractor() const
Definition: DWARFUnit.h:374
llvm::DWARFLocationTable
An abstract base class for various kinds of location tables (.debug_loc, .debug_loclists,...
Definition: DWARFDebugLoc.h:50
llvm::DWARFUnitVector::addUnitsForSection
void addUnitsForSection(DWARFContext &C, const DWARFSection &Section, DWARFSectionKind SectionKind)
Read units from a .debug_info or .debug_types section.
Definition: DWARFUnit.cpp:42
llvm::DWARFUnitVector::addUnitsForDWOSection
void addUnitsForDWOSection(DWARFContext &C, const DWARFSection &DWOSection, DWARFSectionKind SectionKind, bool Lazy=false)
Read units from a .debug_info.dwo or .debug_types.dwo section.
Definition: DWARFUnit.cpp:53
llvm::DWARFContext
DWARFContext This data structure is the top level entity that deals with dwarf debug information pars...
Definition: DWARFContext.h:47
llvm::StrOffsetsContributionDescriptor::validateContributionSize
Expected< StrOffsetsContributionDescriptor > validateContributionSize(DWARFDataExtractor &DA)
Determine whether a contribution to the string offsets table is consistent with the relevant section ...
Definition: DWARFUnit.cpp:1058
llvm::StrOffsetsContributionDescriptor::Base
uint64_t Base
Definition: DWARFUnit.h:184
DWARFAddressRange.h
llvm::dwarf::FormParams::AddrSize
uint8_t AddrSize
Definition: Dwarf.h:655
llvm::DWARFUnitIndex::Entry
Definition: DWARFUnitIndex.h:111
llvm::Optional< uint64_t >
llvm::DWARFUnit::getParentEntry
const DWARFDebugInfoEntry * getParentEntry(const DWARFDebugInfoEntry *Die) const
Definition: DWARFUnit.cpp:896
llvm::DIE
A structured debug information entry.
Definition: DIE.h:739
llvm::Expected
Tagged union holding either a T or a Error.
Definition: APFloat.h:41
llvm::StrOffsetsContributionDescriptor::getVersion
uint8_t getVersion() const
Definition: DWARFUnit.h:195
llvm::DWARFUnit::getUnitVector
const DWARFUnitVector & getUnitVector() const
Return the DWARFUnitVector containing this unit.
Definition: DWARFUnit.h:484
llvm::DWARFDebugInfoEntry
DWARFDebugInfoEntry - A DIE with only the minimum required data.
Definition: DWARFDebugInfoEntry.h:22
STLExtras.h
llvm::DWARFUnit::getFormParams
const dwarf::FormParams & getFormParams() const
Definition: DWARFUnit.h:315
llvm::DWARFUnit::getLength
uint64_t getLength() const
Definition: DWARFUnit.h:326
llvm::DWARFDataExtractor
A DataExtractor (typically for an in-memory copy of an object-file section) plus a relocation map for...
Definition: DWARFDataExtractor.h:21
llvm::dwarf::Tag
Tag
Definition: Dwarf.h:105
llvm::DWARFUnitVector::getNumTypesUnits
unsigned getNumTypesUnits() const
Returns number of units from all .debug_types[.dwo] sections.
Definition: DWARFUnit.h:167
llvm::StrOffsetsContributionDescriptor::Size
uint64_t Size
The contribution size not including the header.
Definition: DWARFUnit.h:186
llvm::dwarf::FormParams::Format
DwarfFormat Format
Definition: Dwarf.h:656
llvm::dwarf::isUnitType
bool isUnitType(uint8_t UnitType)
Definition: Dwarf.h:479
llvm::DWARFUnit::isDWOUnit
bool isDWOUnit() const
Definition: DWARFUnit.h:311
llvm::DWARFUnitHeader::getFormat
dwarf::DwarfFormat getFormat() const
Definition: DWARFUnit.h:88
llvm::DWARFUnit::getAddrOffsetSectionItem
Optional< object::SectionedAddress > getAddrOffsetSectionItem(uint32_t Index) const
Definition: DWARFUnit.cpp:208
llvm::DWARFUnit::getAbbrOffset
uint64_t getAbbrOffset() const
Definition: DWARFUnit.h:330
llvm::DWARFUnit::getUnitType
uint8_t getUnitType() const
Definition: DWARFUnit.h:328
llvm::DWARFUnit::getLastChildEntry
const DWARFDebugInfoEntry * getLastChildEntry(const DWARFDebugInfoEntry *Die) const
Definition: DWARFUnit.cpp:1004
llvm::DWARFUnit::getLoclistOffset
Optional< uint64_t > getLoclistOffset(uint32_t Index)
Definition: DWARFUnit.cpp:1197
llvm::DWARFUnitHeader::getDwarfOffsetByteSize
uint8_t getDwarfOffsetByteSize() const
Definition: DWARFUnit.h:91
Context
LLVMContext & Context
Definition: NVVMIntrRange.cpp:66
llvm::DWARFUnit::getUnitDIE
DWARFDie getUnitDIE(bool ExtractUnitDIEOnly=true)
Definition: DWARFUnit.h:426
llvm::X86AS::SS
@ SS
Definition: X86.h:201
llvm::StrOffsetsContributionDescriptor::getFormat
dwarf::DwarfFormat getFormat() const
Definition: DWARFUnit.h:196
llvm::DWARFUnit::getNumDIEs
unsigned getNumDIEs()
Returns the number of DIEs in the unit.
Definition: DWARFUnit.h:488
llvm::DWARFUnit::getDWOId
Optional< uint64_t > getDWOId()
Definition: DWARFUnit.h:441
llvm::DWARFUnitHeader::getRefAddrByteSize
uint8_t getRefAddrByteSize() const
Definition: DWARFUnit.h:90
llvm::DWARFUnitVector::getNumInfoUnits
unsigned getNumInfoUnits() const
Returns number of units from all .debug_info[.dwo] sections.
Definition: DWARFUnit.h:163
llvm::DWARFUnit::getSiblingEntry
const DWARFDebugInfoEntry * getSiblingEntry(const DWARFDebugInfoEntry *Die) const
Definition: DWARFUnit.cpp:918
llvm::DWARFUnit::isLittleEndian
bool isLittleEndian() const
Definition: DWARFUnit.h:310
E
static GCRegistry::Add< CoreCLRGC > E("coreclr", "CoreCLR-compatible GC")
llvm::DWARFUnit::determineStringOffsetsTableContribution
Expected< Optional< StrOffsetsContributionDescriptor > > determineStringOffsetsTableContribution(DWARFDataExtractor &DA)
Find the unit's contribution to the string offsets table and determine its length and form.
Definition: DWARFUnit.cpp:1137
C
(vector float) vec_cmpeq(*A, *B) C
Definition: README_ALTIVEC.txt:86
llvm::DWARFDebugAbbrev
Definition: DWARFDebugAbbrev.h:56
llvm::StrOffsetsContributionDescriptor
Represents base address of the CU.
Definition: DWARFUnit.h:183
llvm::DWARFSectionKind
DWARFSectionKind
The enum of section identifiers to be used in internal interfaces.
Definition: DWARFUnitIndex.h:56
llvm::DWARFUnit::getNonSkeletonUnitDIE
DWARFDie getNonSkeletonUnitDIE(bool ExtractUnitDIEOnly=true, StringRef DWOAlternativeLocation={})
Definition: DWARFUnit.h:433
DWARFDie.h
DenseSet.h
llvm::dwarf::Index
Index
Definition: Dwarf.h:472
First
into llvm powi allowing the code generator to produce balanced multiplication trees First
Definition: README.txt:54
llvm::DWARFUnitHeader::setDWOId
void setDWOId(uint64_t Id)
Definition: DWARFUnit.h:97
llvm::DWARFUnitHeader::isTypeUnit
bool isTypeUnit() const
Definition: DWARFUnit.h:105
llvm::DWARFUnit::getVariableForAddress
DWARFDie getVariableForAddress(uint64_t Address)
Returns variable DIE for the address provided.
Definition: DWARFUnit.cpp:838
llvm::raw_ostream
This class implements an extremely fast bulk output stream that can only output to a stream.
Definition: raw_ostream.h:52
llvm::DWARFUnit::setSkeletonUnit
void setSkeletonUnit(DWARFUnit *SU)
Definition: DWARFUnit.h:338
llvm::DWARFObject
Definition: DWARFObject.h:25
llvm::AArch64CC::LE
@ LE
Definition: AArch64BaseInfo.h:268
llvm::DWARFUnit::dump
virtual void dump(raw_ostream &OS, DIDumpOptions DumpOpts)=0
llvm::DWARFUnit::getLineTableOffset
uint32_t getLineTableOffset() const
Definition: DWARFUnit.h:536
llvm::IndexedInstrProf::Version
const uint64_t Version
Definition: InstrProf.h:1056
llvm::DWARFUnit::getLineSection
const DWARFSection & getLineSection() const
Definition: DWARFUnit.h:332
llvm::dwarf::DwarfFormat
DwarfFormat
Constants that define the DWARF format as 32 or 64 bit.
Definition: Dwarf.h:93
llvm::DWARFUnit::updateAddressDieMap
void updateAddressDieMap(DWARFDie Die)
Recursively update address to Die map.
Definition: DWARFUnit.cpp:719
llvm::DWARFUnit::getParent
DWARFDie getParent(const DWARFDebugInfoEntry *Die)
Definition: DWARFUnit.cpp:888
llvm::DWARFUnit::setDWOId
void setDWOId(uint64_t NewID)
Definition: DWARFUnit.h:445
llvm::DWARFUnit::getDIEIndexForOffset
Optional< uint32_t > getDIEIndexForOffset(uint64_t Offset)
Return the DIE index for a given offset Offset inside the unit's DIE vector.
Definition: DWARFUnit.h:525
llvm::DWARFUnit::getSubroutineForAddress
DWARFDie getSubroutineForAddress(uint64_t Address)
Returns subprogram DIE with address range encompassing the provided address.
Definition: DWARFUnit.cpp:750
llvm::DWARFAbbreviationDeclarationSet
Definition: DWARFDebugAbbrev.h:22
llvm::DenseSet< uint64_t >
llvm::DWARFUnitVector::iterator
typename UnitVector::iterator iterator
Definition: DWARFUnit.h:133
llvm::DWARFUnit::~DWARFUnit
virtual ~DWARFUnit()
llvm::DWARFUnit::getDebugInfoExtractor
DWARFDataExtractor getDebugInfoExtractor() const
Definition: DWARFUnit.cpp:202
llvm::AArch64PACKey::DA
@ DA
Definition: AArch64BaseInfo.h:821
llvm::DWARFUnit::isMatchingUnitTypeAndTag
static bool isMatchingUnitTypeAndTag(uint8_t UnitType, dwarf::Tag Tag)
Definition: DWARFUnit.h:407
llvm::DWARFUnit::collectAddressRanges
Expected< DWARFAddressRangesVector > collectAddressRanges()
Definition: DWARFUnit.cpp:681
llvm::DWARFUnit::getStringOffsetsTableContribution
const Optional< StrOffsetsContributionDescriptor > & getStringOffsetsTableContribution() const
Definition: DWARFUnit.h:389
llvm::DWARFUnit::findLoclistFromOffset
Expected< DWARFLocationExpressionsVector > findLoclistFromOffset(uint64_t Offset)
Definition: DWARFUnit.cpp:696
llvm::DWARFUnit::getLinkedUnit
DWARFUnit * getLinkedUnit()
Definition: DWARFUnit.h:342
Index
uint32_t Index
Definition: ELFObjHandler.cpp:83
uint64_t
llvm::DWARFUnitHeader::getSize
uint8_t getSize() const
Definition: DWARFUnit.h:108
D
static GCRegistry::Add< StatepointGC > D("statepoint-example", "an example strategy for statepoint")
llvm::DWARFUnit::isTypeUnit
bool isTypeUnit() const
Definition: DWARFUnit.h:329
llvm::DWARFUnitHeader
Base class describing the header of any kind of "unit." Some information is specific to certain unit ...
Definition: DWARFUnit.h:51
llvm::dwarf::getUnitLengthFieldByteSize
uint8_t getUnitLengthFieldByteSize(DwarfFormat Format)
Get the byte size of the unit length field depending on the DWARF format.
Definition: Dwarf.h:679
llvm::DWARFUnit::getSibling
DWARFDie getSibling(const DWARFDebugInfoEntry *Die)
Definition: DWARFUnit.cpp:910
llvm::DWARFUnit::getDwarfStringOffsetsByteSize
uint8_t getDwarfStringOffsetsByteSize() const
Definition: DWARFUnit.h:393
llvm::dwarf::FormParams
A helper struct providing information about the byte size of DW_FORM values that vary in size dependi...
Definition: Dwarf.h:653
llvm::DWARFUnit::DWARFUnit
DWARFUnit(DWARFContext &Context, const DWARFSection &Section, const DWARFUnitHeader &Header, const DWARFDebugAbbrev *DA, const DWARFSection *RS, const DWARFSection *LocSection, StringRef SS, const DWARFSection &SOS, const DWARFSection *AOS, const DWARFSection &LS, bool LE, bool IsDWO, const DWARFUnitVector &UnitVector)
Definition: DWARFUnit.cpp:187
llvm::dwarf::UnitType
UnitType
Constants for unit types in DWARF v5.
Definition: Dwarf.h:465
llvm::DWARFUnit::getDebugInfoEntry
const DWARFDebugInfoEntry * getDebugInfoEntry(unsigned Index) const
Return DWARFDebugInfoEntry for the specified index Index.
Definition: DWARFUnit.h:269
assert
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
llvm::DWARFUnitHeader::getFormParams
const dwarf::FormParams & getFormParams() const
Definition: DWARFUnit.h:86
llvm::DWARFUnit::getRefAddrByteSize
uint8_t getRefAddrByteSize() const
Definition: DWARFUnit.h:320
llvm::DWARFUnit::getStringOffsetSection
const DWARFSection & getStringOffsetSection() const
Definition: DWARFUnit.h:334
llvm::DWARFUnitHeader::getTypeOffset
uint64_t getTypeOffset() const
Definition: DWARFUnit.h:103
llvm::DWARFUnit::getFormat
dwarf::DwarfFormat getFormat() const
Definition: DWARFUnit.h:327
iterator_range.h
llvm::dwarf::FormParams::getDwarfOffsetByteSize
uint8_t getDwarfOffsetByteSize() const
The size of a reference is determined by the DWARF 32/64-bit format.
Definition: Dwarf.h:671
llvm::DWARFUnitHeader::getIndexEntry
const DWARFUnitIndex::Entry * getIndexEntry() const
Definition: DWARFUnit.h:101
llvm::DWARFUnit::getNextUnitOffset
uint64_t getNextUnitOffset() const
Definition: DWARFUnit.h:331
llvm::DWARFUnit::clear
void clear()
Definition: DWARFUnit.cpp:375
llvm::DWARFUnit::getDIEAtIndex
DWARFDie getDIEAtIndex(unsigned Index)
Return the DIE object at the given index Index.
Definition: DWARFUnit.h:504
llvm::size
auto size(R &&Range, std::enable_if_t< std::is_base_of< std::random_access_iterator_tag, typename std::iterator_traits< decltype(Range.begin())>::iterator_category >::value, void > *=nullptr)
Get the size of a range.
Definition: STLExtras.h:1690
llvm::DWARFUnitVector::getUnitForIndexEntry
DWARFUnit * getUnitForIndexEntry(const DWARFUnitIndex::Entry &E)
Definition: DWARFUnit.cpp:158
llvm::DWARFUnit::getCompilationDir
const char * getCompilationDir()
Definition: DWARFUnit.cpp:389
llvm::DWARFUnit::getLocSectionBase
uint64_t getLocSectionBase() const
Definition: DWARFUnit.h:364
llvm::DWARFUnitVector::addUnit
DWARFUnit * addUnit(std::unique_ptr< DWARFUnit > Unit)
Add an existing DWARFUnit to this UnitVector.
Definition: DWARFUnit.cpp:136
llvm::StringRef
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
Dwarf.h
llvm::DWARFUnit::getContext
DWARFContext & getContext() const
Definition: DWARFUnit.h:312
llvm::DWARFUnitHeader::getAddressByteSize
uint8_t getAddressByteSize() const
Definition: DWARFUnit.h:89
llvm::DWARFUnitVector::compile_unit_range
decltype(make_filter_range(std::declval< iterator_range >(), isCompileUnit)) compile_unit_range
Definition: DWARFUnit.h:137
llvm::DWARFUnitVector::getUnitForOffset
DWARFUnit * getUnitForOffset(uint64_t Offset) const
Definition: DWARFUnit.cpp:145
uint32_t
DWARFDebugInfoEntry.h
llvm::DWARFUnitHeader::extract
bool extract(DWARFContext &Context, const DWARFDataExtractor &debug_info, uint64_t *offset_ptr, DWARFSectionKind SectionKind)
Parse a unit header from debug_info starting at offset_ptr.
Definition: DWARFUnit.cpp:247
llvm::DWARFUnit::getDwarfOffsetByteSize
uint8_t getDwarfOffsetByteSize() const
Definition: DWARFUnit.h:321
llvm::DWARFUnitHeader::getAbbrOffset
uint64_t getAbbrOffset() const
Definition: DWARFUnit.h:95
llvm::DWARFUnitHeader::getNextUnitOffset
uint64_t getNextUnitOffset() const
Definition: DWARFUnit.h:112
llvm::DWARFUnit::dies
die_iterator_range dies()
Definition: DWARFUnit.h:543
DWARFLocationExpression.h
llvm::make_filter_range
iterator_range< filter_iterator< detail::IterOfRange< RangeT >, PredicateT > > make_filter_range(RangeT &&Range, PredicateT Pred)
Convenience function that takes a range of elements and a predicate, and return a new filter_iterator...
Definition: STLExtras.h:632
llvm::DWARFUnit::getAddrOffsetSectionBase
Optional< uint64_t > getAddrOffsetSectionBase() const
Definition: DWARFUnit.h:349
llvm::DWARFUnit::getStringOffsetSectionItem
Expected< uint64_t > getStringOffsetSectionItem(uint32_t Index) const
Definition: DWARFUnit.cpp:231
llvm::DWARFUnit::findRnglistFromOffset
Expected< DWARFAddressRangesVector > findRnglistFromOffset(uint64_t Offset)
Return a vector of address ranges resulting from a (possibly encoded) range list starting at a given ...
Definition: DWARFUnit.cpp:654
llvm::DWARFUnitHeader::getVersion
uint16_t getVersion() const
Definition: DWARFUnit.h:87
llvm::DWARFUnit::extractRangeList
Error extractRangeList(uint64_t RangeListOffset, DWARFDebugRangeList &RangeList) const
Extract the range list referenced by this compile unit from the .debug_ranges section.
Definition: DWARFUnit.cpp:365
llvm::DWARFUnitHeader::getDWOId
Optional< uint64_t > getDWOId() const
Definition: DWARFUnit.h:96
llvm::partition_point
auto partition_point(R &&Range, Predicate P)
Binary search for the first iterator in a range where a predicate is false.
Definition: STLExtras.h:1935
llvm::DWARFUnit::getAddressByteSize
uint8_t getAddressByteSize() const
Definition: DWARFUnit.h:319
llvm::DWARFUnit::getLastChild
DWARFDie getLastChild(const DWARFDebugInfoEntry *Die)
Definition: DWARFUnit.cpp:996
llvm::SectionKind
SectionKind - This is a simple POD value that classifies the properties of a section.
Definition: SectionKind.h:22
llvm::None
constexpr std::nullopt_t None
Definition: None.h:27
uint16_t
llvm::StrOffsetsContributionDescriptor::StrOffsetsContributionDescriptor
StrOffsetsContributionDescriptor()=default
llvm::DWARFUnit
Definition: DWARFUnit.h:207
llvm::DWARFUnit::setRangesSection
void setRangesSection(const DWARFSection *RS, uint64_t Base)
Definition: DWARFUnit.h:359
llvm::DWARFUnit::getHeaderSize
uint32_t getHeaderSize() const
Size in bytes of the parsed unit header.
Definition: DWARFUnit.h:325
llvm::DWARFUnit::getPreviousSibling
DWARFDie getPreviousSibling(const DWARFDebugInfoEntry *Die)
Definition: DWARFUnit.cpp:932
llvm::DWARFUnit::tryExtractDIEsIfNeeded
Error tryExtractDIEsIfNeeded(bool CUDieOnly)
Definition: DWARFUnit.cpp:486
llvm::Error
Lightweight error class with error context and mandatory checking.
Definition: Error.h:155
llvm::DWARFUnit::getFirstChildEntry
const DWARFDebugInfoEntry * getFirstChildEntry(const DWARFDebugInfoEntry *Die) const
Definition: DWARFUnit.cpp:979
llvm::DWARFUnitHeader::getOffset
uint64_t getOffset() const
Definition: DWARFUnit.h:85
llvm::AArch64CC::LS
@ LS
Definition: AArch64BaseInfo.h:264
llvm::DWARFUnit::getDIEIndex
uint32_t getDIEIndex(const DWARFDie &D) const
Return the index of a DIE inside the unit's DIE vector.
Definition: DWARFUnit.h:499
DataExtractor.h
llvm::DWARFUnitVector::finishedInfoUnits
void finishedInfoUnits()
Indicate that parsing .debug_info[.dwo] is done, and remaining units will be from ....
Definition: DWARFUnit.h:170
llvm::DWARFUnit::getOffset
uint64_t getOffset() const
Definition: DWARFUnit.h:314
llvm::StrOffsetsContributionDescriptor::getDwarfOffsetByteSize
uint8_t getDwarfOffsetByteSize() const
Definition: DWARFUnit.h:197
llvm::DWARFUnit::getInlinedChainForAddress
void getInlinedChainForAddress(uint64_t Address, SmallVectorImpl< DWARFDie > &InlinedChain)
getInlinedChainForAddress - fetches inlined chain for a given address.
Definition: DWARFUnit.cpp:859
llvm::DWARFUnit::getPreviousSiblingEntry
const DWARFDebugInfoEntry * getPreviousSiblingEntry(const DWARFDebugInfoEntry *Die) const
Definition: DWARFUnit.cpp:940
llvm::DWARFUnit::getInfoSection
const DWARFSection & getInfoSection() const
Definition: DWARFUnit.h:313
DWARFUnitIndex.h
llvm::dwarf::FormParams::Version
uint16_t Version
Definition: Dwarf.h:654
llvm::DWARFUnit::getAbbreviationsOffset
uint64_t getAbbreviationsOffset() const
Definition: DWARFUnit.h:403
llvm::DataExtractor
Definition: DataExtractor.h:41
SmallVector.h
llvm::DWARFUnitHeader::getUnitLengthFieldByteSize
uint8_t getUnitLengthFieldByteSize() const
Definition: DWARFUnit.h:109
llvm::DWARFUnitHeader::applyIndexEntry
bool applyIndexEntry(const DWARFUnitIndex::Entry *Entry)
Definition: DWARFUnit.cpp:348
llvm::DWARFUnit::getBaseAddress
llvm::Optional< object::SectionedAddress > getBaseAddress()
Definition: DWARFUnit.cpp:1047
llvm::SmallVectorImpl< std::unique_ptr< DWARFUnit > >::iterator
typename SuperClass::iterator iterator
Definition: SmallVector.h:581
llvm::DWARFUnit::getDIEIndex
uint32_t getDIEIndex(const DWARFDebugInfoEntry *Die) const
Return the index of a Die entry inside the unit's DIE vector.
Definition: DWARFUnit.h:262
llvm::iterator_range
A range adaptor for a pair of iterators.
Definition: iterator_range.h:30
llvm::isCompileUnit
bool isCompileUnit(const std::unique_ptr< DWARFUnit > &U)
Definition: DWARFUnit.h:578
llvm::DWARFUnit::setAddrOffsetSection
void setAddrOffsetSection(const DWARFSection *AOS, uint64_t Base)
Definition: DWARFUnit.h:344
llvm::SmallVectorImpl< std::unique_ptr< DWARFUnit > >
llvm::getDWARFUnitIndex
const DWARFUnitIndex & getDWARFUnitIndex(DWARFContext &Context, DWARFSectionKind Kind)
Definition: DWARFUnit.cpp:880
llvm::DWARFDie
Utility class that carries the DWARF compile/type unit and the debug info entry in an object.
Definition: DWARFDie.h:43
llvm::DWARFUnit::getDIEForOffset
DWARFDie getDIEForOffset(uint64_t Offset)
Return the DIE object for a given offset Offset inside the unit's DIE vector.
Definition: DWARFUnit.h:516
llvm::DWARFUnitHeader::getUnitType
uint8_t getUnitType() const
Definition: DWARFUnit.h:104
llvm::DIE::getOffset
unsigned getOffset() const
Get the compile/type unit relative offset of this DIE.
Definition: DIE.h:777
llvm::AMDGPU::VGPRIndexMode::Id
Id
Definition: SIDefines.h:241
llvm::DWARFUnit::getLocationTable
const DWARFLocationTable & getLocationTable()
Definition: DWARFUnit.h:378
llvm::StrOffsetsContributionDescriptor::StrOffsetsContributionDescriptor
StrOffsetsContributionDescriptor(uint64_t Base, uint64_t Size, uint8_t Version, dwarf::DwarfFormat Format)
Definition: DWARFUnit.h:190
llvm::DWARFUnit::determineStringOffsetsTableContributionDWO
Expected< Optional< StrOffsetsContributionDescriptor > > determineStringOffsetsTableContributionDWO(DWARFDataExtractor &DA)
Find the unit's contribution to the string offsets table and determine its length and form.
Definition: DWARFUnit.cpp:1150
llvm::DWARFUnit::getHeader
const DWARFUnitHeader & getHeader() const
Definition: DWARFUnit.h:285
llvm::DWARFUnit::getStringOffsetsBase
uint64_t getStringOffsetsBase() const
Definition: DWARFUnit.h:398
llvm::DWARFUnit::updateVariableDieMap
void updateVariableDieMap(DWARFDie Die)
Recursively update address to variable Die map.
Definition: DWARFUnit.cpp:764
llvm::DWARFUnit::getVersion
uint16_t getVersion() const
Definition: DWARFUnit.h:318
llvm::dwarf::DWARF32
@ DWARF32
Definition: Dwarf.h:93
llvm::sampleprof::Base
@ Base
Definition: Discriminator.h:58
llvm::DWARFUnitHeader::getTypeHash
uint64_t getTypeHash() const
Definition: DWARFUnit.h:102
DWARFDataExtractor.h
llvm::dwarf::FormParams::getRefAddrByteSize
uint8_t getRefAddrByteSize() const
The definition of the size of form DW_FORM_ref_addr depends on the version.
Definition: Dwarf.h:664
llvm::DIDumpOptions
Container for dump options that control which debug information will be dumped.
Definition: DIContext.h:188
llvm::DWARFUnitVector
Describe a collection of units.
Definition: DWARFUnit.h:124
llvm::DWARFUnitVector::getNumUnits
unsigned getNumUnits() const
Returns number of all units held by this instance.
Definition: DWARFUnit.h:161