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Dwarf.h
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1 //===-- llvm/BinaryFormat/Dwarf.h ---Dwarf Constants-------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 /// \file
11 /// This file contains constants used for implementing Dwarf
12 /// debug support.
13 ///
14 /// For details on the Dwarf specfication see the latest DWARF Debugging
15 /// Information Format standard document on http://www.dwarfstd.org. This
16 /// file often includes support for non-released standard features.
17 //
18 //===----------------------------------------------------------------------===//
19 
20 #ifndef LLVM_BINARYFORMAT_DWARF_H
21 #define LLVM_BINARYFORMAT_DWARF_H
22 
23 #include "llvm/ADT/Optional.h"
24 #include "llvm/Support/Compiler.h"
25 #include "llvm/Support/DataTypes.h"
27 #include "llvm/Support/Format.h"
29 
30 namespace llvm {
31 class StringRef;
32 
33 namespace dwarf {
34 
35 //===----------------------------------------------------------------------===//
36 // DWARF constants as gleaned from the DWARF Debugging Information Format V.5
37 // reference manual http://www.dwarfstd.org/.
38 //
39 
40 // Do not mix the following two enumerations sets. DW_TAG_invalid changes the
41 // enumeration base type.
42 
44  // LLVM mock tags (see also llvm/BinaryFormat/Dwarf.def).
45  DW_TAG_invalid = ~0U, // Tag for invalid results.
46  DW_VIRTUALITY_invalid = ~0U, // Virtuality for invalid results.
47  DW_MACINFO_invalid = ~0U, // Macinfo type for invalid results.
48 
49  // Other constants.
50  DWARF_VERSION = 4, // Default dwarf version we output.
51  DW_PUBTYPES_VERSION = 2, // Section version number for .debug_pubtypes.
52  DW_PUBNAMES_VERSION = 2, // Section version number for .debug_pubnames.
53  DW_ARANGES_VERSION = 2, // Section version number for .debug_aranges.
54  // Identifiers we use to distinguish vendor extensions.
55  DWARF_VENDOR_DWARF = 0, // Defined in v2 or later of the DWARF standard.
62 };
63 
64 /// Constants that define the DWARF format as 32 or 64 bit.
65 enum DwarfFormat : uint8_t { DWARF32, DWARF64 };
66 
67 /// Special ID values that distinguish a CIE from a FDE in DWARF CFI.
68 /// Not inside an enum because a 64-bit value is needed.
69 /// @{
70 const uint32_t DW_CIE_ID = UINT32_MAX;
71 const uint64_t DW64_CIE_ID = UINT64_MAX;
72 /// @}
73 
74 /// Identifier of an invalid DIE offset in the .debug_info section.
75 const uint32_t DW_INVALID_OFFSET = UINT32_MAX;
76 
77 enum Tag : uint16_t {
78 #define HANDLE_DW_TAG(ID, NAME, VERSION, VENDOR) DW_TAG_##NAME = ID,
79 #include "llvm/BinaryFormat/Dwarf.def"
80  DW_TAG_lo_user = 0x4080,
81  DW_TAG_hi_user = 0xffff,
82  DW_TAG_user_base = 0x1000 ///< Recommended base for user tags.
83 };
84 
85 inline bool isType(Tag T) {
86  switch (T) {
87  case DW_TAG_array_type:
88  case DW_TAG_class_type:
89  case DW_TAG_interface_type:
90  case DW_TAG_enumeration_type:
91  case DW_TAG_pointer_type:
92  case DW_TAG_reference_type:
93  case DW_TAG_rvalue_reference_type:
94  case DW_TAG_string_type:
95  case DW_TAG_structure_type:
96  case DW_TAG_subroutine_type:
97  case DW_TAG_union_type:
98  case DW_TAG_ptr_to_member_type:
99  case DW_TAG_set_type:
100  case DW_TAG_subrange_type:
101  case DW_TAG_base_type:
102  case DW_TAG_const_type:
103  case DW_TAG_file_type:
104  case DW_TAG_packed_type:
105  case DW_TAG_volatile_type:
106  case DW_TAG_typedef:
107  return true;
108  default:
109  return false;
110  }
111 }
112 
113 /// Attributes.
114 enum Attribute : uint16_t {
115 #define HANDLE_DW_AT(ID, NAME, VERSION, VENDOR) DW_AT_##NAME = ID,
116 #include "llvm/BinaryFormat/Dwarf.def"
117  DW_AT_lo_user = 0x2000,
118  DW_AT_hi_user = 0x3fff,
119 };
120 
121 enum Form : uint16_t {
122 #define HANDLE_DW_FORM(ID, NAME, VERSION, VENDOR) DW_FORM_##NAME = ID,
123 #include "llvm/BinaryFormat/Dwarf.def"
124  DW_FORM_lo_user = 0x1f00, ///< Not specified by DWARF.
125 };
126 
128 #define HANDLE_DW_OP(ID, NAME, VERSION, VENDOR) DW_OP_##NAME = ID,
129 #include "llvm/BinaryFormat/Dwarf.def"
132  DW_OP_LLVM_fragment = 0x1000 ///< Only used in LLVM metadata.
133 };
134 
135 enum TypeKind : uint8_t {
136 #define HANDLE_DW_ATE(ID, NAME, VERSION, VENDOR) DW_ATE_##NAME = ID,
137 #include "llvm/BinaryFormat/Dwarf.def"
140 };
141 
143  // Decimal sign attribute values
149 };
150 
152  // Endianity attribute values
154  DW_END_big = 0x01,
158 };
159 
161  // Accessibility codes
165 };
166 
168  // Visibility codes
169  DW_VIS_local = 0x01,
172 };
173 
175 #define HANDLE_DW_VIRTUALITY(ID, NAME) DW_VIRTUALITY_##NAME = ID,
176 #include "llvm/BinaryFormat/Dwarf.def"
178 };
179 
181 #define HANDLE_DW_DEFAULTED(ID, NAME) DW_DEFAULTED_##NAME = ID,
182 #include "llvm/BinaryFormat/Dwarf.def"
184 };
185 
187 #define HANDLE_DW_LANG(ID, NAME, VERSION, VENDOR) DW_LANG_##NAME = ID,
188 #include "llvm/BinaryFormat/Dwarf.def"
189  DW_LANG_lo_user = 0x8000,
191 };
192 
194  // Identifier case codes
199 };
200 
202 // Calling convention codes
203 #define HANDLE_DW_CC(ID, NAME) DW_CC_##NAME = ID,
204 #include "llvm/BinaryFormat/Dwarf.def"
207 };
208 
210  // Inline codes
215 };
216 
218  // Array ordering
221 };
222 
224  // Discriminant descriptor values
225  DW_DSC_label = 0x00,
227 };
228 
229 /// Line Number Standard Opcode Encodings.
230 enum LineNumberOps : uint8_t {
231 #define HANDLE_DW_LNS(ID, NAME) DW_LNS_##NAME = ID,
232 #include "llvm/BinaryFormat/Dwarf.def"
233 };
234 
235 /// Line Number Extended Opcode Encodings.
237 #define HANDLE_DW_LNE(ID, NAME) DW_LNE_##NAME = ID,
238 #include "llvm/BinaryFormat/Dwarf.def"
241 };
242 
244 #define HANDLE_DW_LNCT(ID, NAME) DW_LNCT_##NAME = ID,
245 #include "llvm/BinaryFormat/Dwarf.def"
246  DW_LNCT_lo_user = 0x2000,
247  DW_LNCT_hi_user = 0x3fff,
248 };
249 
251  // Macinfo Type Encodings
257 };
258 
259 /// DWARF v5 macro information entry type encodings.
261 #define HANDLE_DW_MACRO(ID, NAME) DW_MACRO_##NAME = ID,
262 #include "llvm/BinaryFormat/Dwarf.def"
265 };
266 
267 /// DWARF v5 range list entry encoding values.
269 #define HANDLE_DW_RLE(ID, NAME) DW_RLE_##NAME = ID,
270 #include "llvm/BinaryFormat/Dwarf.def"
271 };
272 
273 /// Call frame instruction encodings.
275 #define HANDLE_DW_CFA(ID, NAME) DW_CFA_##NAME = ID,
276 #include "llvm/BinaryFormat/Dwarf.def"
278 
281 };
282 
283 enum Constants {
284  // Children flag
287 
305 };
306 
307 /// Constants for location lists in DWARF v5.
308 enum LocationListEntry : unsigned char {
318 };
319 
320 /// Constants for the DW_APPLE_PROPERTY_attributes attribute.
321 /// Keep this list in sync with clang's DeclSpec.h ObjCPropertyAttributeKind!
323 #define HANDLE_DW_APPLE_PROPERTY(ID, NAME) DW_APPLE_PROPERTY_##NAME = ID,
324 #include "llvm/BinaryFormat/Dwarf.def"
325 };
326 
327 /// Constants for unit types in DWARF v5.
328 enum UnitType : unsigned char {
329 #define HANDLE_DW_UT(ID, NAME) DW_UT_##NAME = ID,
330 #include "llvm/BinaryFormat/Dwarf.def"
333 };
334 
335 enum Index {
336 #define HANDLE_DW_IDX(ID, NAME) DW_IDX_##NAME = ID,
337 #include "llvm/BinaryFormat/Dwarf.def"
338  DW_IDX_lo_user = 0x2000,
339  DW_IDX_hi_user = 0x3fff
340 };
341 
342 inline bool isUnitType(uint8_t UnitType) {
343  switch (UnitType) {
344  case DW_UT_compile:
345  case DW_UT_type:
346  case DW_UT_partial:
347  case DW_UT_skeleton:
348  case DW_UT_split_compile:
349  case DW_UT_split_type:
350  return true;
351  default:
352  return false;
353  }
354 }
355 
356 inline bool isUnitType(dwarf::Tag T) {
357  switch (T) {
358  case DW_TAG_compile_unit:
359  case DW_TAG_type_unit:
360  case DW_TAG_partial_unit:
361  case DW_TAG_skeleton_unit:
362  return true;
363  default:
364  return false;
365  }
366 }
367 
368 // Constants for the DWARF v5 Accelerator Table Proposal
370  // Data layout descriptors.
371  DW_ATOM_null = 0u, /// Marker as the end of a list of atoms.
372  DW_ATOM_die_offset = 1u, // DIE offset in the debug_info section.
373  DW_ATOM_cu_offset = 2u, // Offset of the compile unit header that contains the
374  // item in question.
375  DW_ATOM_die_tag = 3u, // A tag entry.
376  DW_ATOM_type_flags = 4u, // Set of flags for a type.
377 
378  DW_ATOM_type_type_flags = 5u, // Dsymutil type extension.
379  DW_ATOM_qual_name_hash = 6u, // Dsymutil qualified hash extension.
380 
381  // DW_ATOM_type_flags values.
382 
383  // Always set for C++, only set for ObjC if this is the @implementation for a
384  // class.
386 
387  // Hash functions.
388 
389  // Daniel J. Bernstein hash.
391 };
392 
393 // Constants for the GNU pubnames/pubtypes extensions supporting gdb index.
403 };
404 
406 
407 /// \defgroup DwarfConstantsDumping Dwarf constants dumping functions
408 ///
409 /// All these functions map their argument's value back to the
410 /// corresponding enumerator name or return an empty StringRef if the value
411 /// isn't known.
412 ///
413 /// @{
414 StringRef TagString(unsigned Tag);
415 StringRef ChildrenString(unsigned Children);
417 StringRef FormEncodingString(unsigned Encoding);
418 StringRef OperationEncodingString(unsigned Encoding);
419 StringRef AttributeEncodingString(unsigned Encoding);
420 StringRef DecimalSignString(unsigned Sign);
421 StringRef EndianityString(unsigned Endian);
422 StringRef AccessibilityString(unsigned Access);
424 StringRef VirtualityString(unsigned Virtuality);
426 StringRef CaseString(unsigned Case);
427 StringRef ConventionString(unsigned Convention);
428 StringRef InlineCodeString(unsigned Code);
429 StringRef ArrayOrderString(unsigned Order);
430 StringRef LNStandardString(unsigned Standard);
431 StringRef LNExtendedString(unsigned Encoding);
432 StringRef MacinfoString(unsigned Encoding);
433 StringRef RangeListEncodingString(unsigned Encoding);
434 StringRef CallFrameString(unsigned Encoding);
436 StringRef UnitTypeString(unsigned);
437 StringRef AtomTypeString(unsigned Atom);
440 StringRef IndexString(unsigned Idx);
441 /// @}
442 
443 /// \defgroup DwarfConstantsParsing Dwarf constants parsing functions
444 ///
445 /// These functions map their strings back to the corresponding enumeration
446 /// value or return 0 if there is none, except for these exceptions:
447 ///
448 /// \li \a getTag() returns \a DW_TAG_invalid on invalid input.
449 /// \li \a getVirtuality() returns \a DW_VIRTUALITY_invalid on invalid input.
450 /// \li \a getMacinfo() returns \a DW_MACINFO_invalid on invalid input.
451 ///
452 /// @{
453 unsigned getTag(StringRef TagString);
454 unsigned getOperationEncoding(StringRef OperationEncodingString);
455 unsigned getVirtuality(StringRef VirtualityString);
456 unsigned getLanguage(StringRef LanguageString);
457 unsigned getCallingConvention(StringRef LanguageString);
458 unsigned getAttributeEncoding(StringRef EncodingString);
459 unsigned getMacinfo(StringRef MacinfoString);
460 /// @}
461 
462 /// \defgroup DwarfConstantsVersioning Dwarf version for constants
463 ///
464 /// For constants defined by DWARF, returns the DWARF version when the constant
465 /// was first defined. For vendor extensions, if there is a version-related
466 /// policy for when to emit it, returns a version number for that policy.
467 /// Otherwise returns 0.
468 ///
469 /// @{
470 unsigned TagVersion(Tag T);
471 unsigned AttributeVersion(Attribute A);
472 unsigned FormVersion(Form F);
475 unsigned LanguageVersion(SourceLanguage L);
476 /// @}
477 
478 /// \defgroup DwarfConstantsVendor Dwarf "vendor" for constants
479 ///
480 /// These functions return an identifier describing "who" defined the constant,
481 /// either the DWARF standard itself or the vendor who defined the extension.
482 ///
483 /// @{
484 unsigned TagVendor(Tag T);
485 unsigned AttributeVendor(Attribute A);
486 unsigned FormVendor(Form F);
487 unsigned OperationVendor(LocationAtom O);
489 unsigned LanguageVendor(SourceLanguage L);
490 /// @}
491 
492 /// A helper struct providing information about the byte size of DW_FORM
493 /// values that vary in size depending on the DWARF version, address byte
494 /// size, or DWARF32/DWARF64.
495 struct FormParams {
496  uint16_t Version;
497  uint8_t AddrSize;
499 
500  /// The definition of the size of form DW_FORM_ref_addr depends on the
501  /// version. In DWARF v2 it's the size of an address; after that, it's the
502  /// size of a reference.
503  uint8_t getRefAddrByteSize() const {
504  if (Version == 2)
505  return AddrSize;
506  return getDwarfOffsetByteSize();
507  }
508 
509  /// The size of a reference is determined by the DWARF 32/64-bit format.
510  uint8_t getDwarfOffsetByteSize() const {
511  switch (Format) {
513  return 4;
515  return 8;
516  }
517  llvm_unreachable("Invalid Format value");
518  }
519 
520  explicit operator bool() const { return Version && AddrSize; }
521 };
522 
523 /// Get the fixed byte size for a given form.
524 ///
525 /// If the form has a fixed byte size, then an Optional with a value will be
526 /// returned. If the form is always encoded using a variable length storage
527 /// format (ULEB or SLEB numbers or blocks) then None will be returned.
528 ///
529 /// \param Form DWARF form to get the fixed byte size for.
530 /// \param Params DWARF parameters to help interpret forms.
531 /// \returns Optional<uint8_t> value with the fixed byte size or None if
532 /// \p Form doesn't have a fixed byte size.
534 
535 /// Tells whether the specified form is defined in the specified version,
536 /// or is an extension if extensions are allowed.
537 bool isValidFormForVersion(Form F, unsigned Version, bool ExtensionsOk = true);
538 
539 /// Returns the symbolic string representing Val when used as a value
540 /// for attribute Attr.
541 StringRef AttributeValueString(uint16_t Attr, unsigned Val);
542 
543 /// Describes an entry of the various gnu_pub* debug sections.
544 ///
545 /// The gnu_pub* kind looks like:
546 ///
547 /// 0-3 reserved
548 /// 4-6 symbol kind
549 /// 7 0 == global, 1 == static
550 ///
551 /// A gdb_index descriptor includes the above kind, shifted 24 bits up with the
552 /// offset of the cu within the debug_info section stored in those 24 bits.
557  : Kind(Kind), Linkage(Linkage) {}
559  : Kind(Kind), Linkage(GIEL_EXTERNAL) {}
560  explicit PubIndexEntryDescriptor(uint8_t Value)
561  : Kind(
562  static_cast<GDBIndexEntryKind>((Value & KIND_MASK) >> KIND_OFFSET)),
563  Linkage(static_cast<GDBIndexEntryLinkage>((Value & LINKAGE_MASK) >>
564  LINKAGE_OFFSET)) {}
565  uint8_t toBits() const {
566  return Kind << KIND_OFFSET | Linkage << LINKAGE_OFFSET;
567  }
568 
569 private:
570  enum {
571  KIND_OFFSET = 4,
572  KIND_MASK = 7 << KIND_OFFSET,
573  LINKAGE_OFFSET = 7,
574  LINKAGE_MASK = 1 << LINKAGE_OFFSET
575  };
576 };
577 
578 template <typename Enum> struct EnumTraits : public std::false_type {};
579 
580 template <> struct EnumTraits<Attribute> : public std::true_type {
581  static constexpr char Type[3] = "AT";
582  static constexpr StringRef (*StringFn)(unsigned) = &AttributeString;
583 };
584 
585 template <> struct EnumTraits<Form> : public std::true_type {
586  static constexpr char Type[5] = "FORM";
587  static constexpr StringRef (*StringFn)(unsigned) = &FormEncodingString;
588 };
589 
590 template <> struct EnumTraits<Index> : public std::true_type {
591  static constexpr char Type[4] = "IDX";
592  static constexpr StringRef (*StringFn)(unsigned) = &IndexString;
593 };
594 
595 template <> struct EnumTraits<Tag> : public std::true_type {
596  static constexpr char Type[4] = "TAG";
597  static constexpr StringRef (*StringFn)(unsigned) = &TagString;
598 };
599 } // End of namespace dwarf
600 
601 /// Dwarf constants format_provider
602 ///
603 /// Specialization of the format_provider template for dwarf enums. Unlike the
604 /// dumping functions above, these format unknown enumerator values as
605 /// DW_TYPE_unknown_1234 (e.g. DW_TAG_unknown_ffff).
606 template <typename Enum>
608  Enum, typename std::enable_if<dwarf::EnumTraits<Enum>::value>::type> {
609  static void format(const Enum &E, raw_ostream &OS, StringRef Style) {
611  if (Str.empty()) {
612  OS << "DW_" << dwarf::EnumTraits<Enum>::Type << "_unknown_"
613  << llvm::format("%x", E);
614  } else
615  OS << Str;
616  }
617 };
618 } // End of namespace llvm
619 
620 #endif
DecimalSignEncoding
Definition: Dwarf.h:142
MacinfoRecordType
Definition: Dwarf.h:250
LocationAtom
Definition: Dwarf.h:127
unsigned FormVersion(Form F)
Definition: Dwarf.cpp:116
StringRef ApplePropertyString(unsigned)
Definition: Dwarf.cpp:469
A helper struct providing information about the byte size of DW_FORM values that vary in size dependi...
Definition: Dwarf.h:495
PubIndexEntryDescriptor(GDBIndexEntryKind Kind)
Definition: Dwarf.h:558
StringRef IndexString(unsigned Idx)
Definition: Dwarf.cpp:572
LineNumberOps
Line Number Standard Opcode Encodings.
Definition: Dwarf.h:230
Not specified by DWARF.
Definition: Dwarf.h:124
Compute iterated dominance frontiers using a linear time algorithm.
Definition: AllocatorList.h:24
StringRef AtomTypeString(unsigned Atom)
Definition: Dwarf.cpp:491
unsigned FormVendor(Form F)
Definition: Dwarf.cpp:127
bool isUnitType(uint8_t UnitType)
Definition: Dwarf.h:342
Attribute
Attributes.
Definition: Dwarf.h:114
StringRef LNExtendedString(unsigned Encoding)
Definition: Dwarf.cpp:407
StringRef LNStandardString(unsigned Standard)
Definition: Dwarf.cpp:396
unsigned TagVendor(Tag T)
Definition: Dwarf.cpp:51
format_object< Ts... > format(const char *Fmt, const Ts &... Vals)
These are helper functions used to produce formatted output.
Definition: Format.h:124
uint8_t getRefAddrByteSize() const
The definition of the size of form DW_FORM_ref_addr depends on the version.
Definition: Dwarf.h:503
GDBIndexEntryKind
Definition: Dwarf.h:394
F(f)
ArrayDimensionOrdering
Definition: Dwarf.h:217
ELFYAML::ELF_STV Visibility
Definition: ELFYAML.cpp:766
unsigned getVirtuality(StringRef VirtualityString)
Definition: Dwarf.cpp:291
constexpr char Language[]
Key for Kernel::Metadata::mLanguage.
InlineAttribute
Definition: Dwarf.h:209
CallFrameInfo
Call frame instruction encodings.
Definition: Dwarf.h:274
Definition: BitVector.h:921
EndianityEncoding
Definition: Dwarf.h:151
DwarfFormat
Constants that define the DWARF format as 32 or 64 bit.
Definition: Dwarf.h:65
LLVMConstants
Definition: Dwarf.h:43
unsigned TagVersion(Tag T)
Definition: Dwarf.cpp:40
unsigned AttributeVendor(Attribute A)
Definition: Dwarf.cpp:94
StringRef FormEncodingString(unsigned Encoding)
Definition: Dwarf.cpp:105
Only used in LLVM metadata.
Definition: Dwarf.h:132
PubIndexEntryDescriptor(uint8_t Value)
Definition: Dwarf.h:560
unsigned LanguageVendor(SourceLanguage L)
Definition: Dwarf.cpp:329
Describes an entry of the various gnu_pub* debug sections.
Definition: Dwarf.h:553
#define UINT64_MAX
Definition: DataTypes.h:83
MacroEntryType
DWARF v5 macro information entry type encodings.
Definition: Dwarf.h:260
StringRef AttributeString(unsigned Attribute)
Definition: Dwarf.cpp:72
LLVM_NODISCARD LLVM_ATTRIBUTE_ALWAYS_INLINE bool empty() const
empty - Check if the string is empty.
Definition: StringRef.h:133
StringRef LanguageString(unsigned Language)
Definition: Dwarf.cpp:299
AccessAttribute
Definition: Dwarf.h:160
StringRef DecimalSignString(unsigned Sign)
Definition: Dwarf.cpp:223
StringRef AttributeValueString(uint16_t Attr, unsigned Val)
Returns the symbolic string representing Val when used as a value for attribute Attr.
Definition: Dwarf.cpp:543
unsigned LanguageVersion(SourceLanguage L)
Definition: Dwarf.cpp:318
StringRef GDBIndexEntryKindString(GDBIndexEntryKind Kind)
Definition: Dwarf.cpp:510
StringRef AccessibilityString(unsigned Access)
Definition: Dwarf.cpp:255
const uint32_t DW_INVALID_OFFSET
Identifier of an invalid DIE offset in the .debug_info section.
Definition: Dwarf.h:75
StringRef EndianityString(unsigned Endian)
Definition: Dwarf.cpp:239
StringRef AttributeEncodingString(unsigned Encoding)
Definition: Dwarf.cpp:182
The instances of the Type class are immutable: once they are created, they are never changed...
Definition: Type.h:46
StringRef CallFrameString(unsigned Encoding)
Definition: Dwarf.cpp:458
unsigned OperationVendor(LocationAtom O)
Definition: Dwarf.cpp:171
static GCRegistry::Add< CoreCLRGC > E("coreclr", "CoreCLR-compatible GC")
unsigned getCallingConvention(StringRef LanguageString)
Definition: Dwarf.cpp:365
SourceLanguage
Definition: Dwarf.h:186
unsigned getOperationEncoding(StringRef OperationEncodingString)
Definition: Dwarf.cpp:151
StringRef ArrayOrderString(unsigned Order)
Definition: Dwarf.cpp:386
Recommended base for user tags.
Definition: Dwarf.h:82
unsigned OperationVersion(LocationAtom O)
Definition: Dwarf.cpp:160
StringRef GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage)
Definition: Dwarf.cpp:533
GDBIndexEntryLinkage Linkage
Definition: Dwarf.h:555
unsigned getLanguage(StringRef LanguageString)
Definition: Dwarf.cpp:310
StringRef RangeListEncodingString(unsigned Encoding)
Definition: Dwarf.cpp:447
VisibilityAttribute
Definition: Dwarf.h:167
LineNumberExtendedOps
Line Number Extended Opcode Encodings.
Definition: Dwarf.h:236
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
StringRef VirtualityString(unsigned Virtuality)
Definition: Dwarf.cpp:280
StringRef OperationEncodingString(unsigned Encoding)
Definition: Dwarf.cpp:138
const uint32_t DW_CIE_ID
Special ID values that distinguish a CIE from a FDE in DWARF CFI.
Definition: Dwarf.h:70
unsigned getTag(StringRef TagString)
Definition: Dwarf.cpp:32
UnitType
Constants for unit types in DWARF v5.
Definition: Dwarf.h:328
StringRef CaseString(unsigned Case)
Definition: Dwarf.cpp:340
ApplePropertyAttributes
Constants for the DW_APPLE_PROPERTY_attributes attribute.
Definition: Dwarf.h:322
unsigned AttributeVersion(Attribute A)
Definition: Dwarf.cpp:83
static void format(const Enum &E, raw_ostream &OS, StringRef Style)
Definition: Dwarf.h:609
AcceleratorTable
Definition: Dwarf.h:369
LocationListEntry
Constants for location lists in DWARF v5.
Definition: Dwarf.h:308
bool isType(Tag T)
Definition: Dwarf.h:85
PubIndexEntryDescriptor(GDBIndexEntryKind Kind, GDBIndexEntryLinkage Linkage)
Definition: Dwarf.h:556
unsigned AttributeEncodingVersion(TypeKind E)
Definition: Dwarf.cpp:201
StringRef VisibilityString(unsigned Visibility)
Definition: Dwarf.cpp:268
RangeListEntries
DWARF v5 range list entry encoding values.
Definition: Dwarf.h:268
StringRef UnitTypeString(unsigned)
Definition: Dwarf.cpp:480
Optional< uint8_t > getFixedFormByteSize(dwarf::Form Form, FormParams Params)
Get the fixed byte size for a given form.
Definition: Dwarf.cpp:583
StringRef TagString(unsigned Tag)
Definition: Dwarf.cpp:21
unsigned AttributeEncodingVendor(TypeKind E)
Definition: Dwarf.cpp:212
StringRef InlineCodeString(unsigned Code)
Definition: Dwarf.cpp:372
StringRef ConventionString(unsigned Convention)
Definition: Dwarf.cpp:354
unsigned getMacinfo(StringRef MacinfoString)
Definition: Dwarf.cpp:437
StringRef ChildrenString(unsigned Children)
Definition: Dwarf.cpp:62
bool isValidFormForVersion(Form F, unsigned Version, bool ExtensionsOk=true)
Tells whether the specified form is defined in the specified version, or is an extension if extension...
Definition: Dwarf.cpp:670
const unsigned Kind
CallingConvention
Definition: Dwarf.h:201
DwarfFormat Format
Definition: Dwarf.h:498
VirtualityAttribute
Definition: Dwarf.h:174
LLVM Value Representation.
Definition: Value.h:73
unsigned getAttributeEncoding(StringRef EncodingString)
Definition: Dwarf.cpp:193
This class implements an extremely fast bulk output stream that can only output to a stream...
Definition: raw_ostream.h:44
GDBIndexEntryLinkage
Definition: Dwarf.h:405
DiscriminantList
Definition: Dwarf.h:223
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:49
StringRef MacinfoString(unsigned Encoding)
Definition: Dwarf.cpp:418
Marker as the end of a list of atoms.
Definition: Dwarf.h:372
LineNumberEntryFormat
Definition: Dwarf.h:243
CaseSensitivity
Definition: Dwarf.h:193
uint8_t getDwarfOffsetByteSize() const
The size of a reference is determined by the DWARF 32/64-bit format.
Definition: Dwarf.h:510
DefaultedMemberAttribute
Definition: Dwarf.h:180
const uint64_t DW64_CIE_ID
Definition: Dwarf.h:71