LLVM  8.0.0svn
Dwarf.cpp
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1 //===-- llvm/BinaryFormat/Dwarf.cpp - Dwarf Framework ------------*- 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 // This file contains support for generic dwarf information.
11 //
12 //===----------------------------------------------------------------------===//
13 
15 #include "llvm/ADT/StringSwitch.h"
17 
18 using namespace llvm;
19 using namespace dwarf;
20 
22  switch (Tag) {
23  default:
24  return StringRef();
25 #define HANDLE_DW_TAG(ID, NAME, VERSION, VENDOR) \
26  case DW_TAG_##NAME: \
27  return "DW_TAG_" #NAME;
28 #include "llvm/BinaryFormat/Dwarf.def"
29  }
30 }
31 
34 #define HANDLE_DW_TAG(ID, NAME, VERSION, VENDOR) \
35  .Case("DW_TAG_" #NAME, DW_TAG_##NAME)
36 #include "llvm/BinaryFormat/Dwarf.def"
37  .Default(DW_TAG_invalid);
38 }
39 
41  switch (Tag) {
42  default:
43  return 0;
44 #define HANDLE_DW_TAG(ID, NAME, VERSION, VENDOR) \
45  case DW_TAG_##NAME: \
46  return VERSION;
47 #include "llvm/BinaryFormat/Dwarf.def"
48  }
49 }
50 
52  switch (Tag) {
53  default:
54  return 0;
55 #define HANDLE_DW_TAG(ID, NAME, VERSION, VENDOR) \
56  case DW_TAG_##NAME: \
57  return DWARF_VENDOR_##VENDOR;
58 #include "llvm/BinaryFormat/Dwarf.def"
59  }
60 }
61 
63  switch (Children) {
64  case DW_CHILDREN_no:
65  return "DW_CHILDREN_no";
66  case DW_CHILDREN_yes:
67  return "DW_CHILDREN_yes";
68  }
69  return StringRef();
70 }
71 
73  switch (Attribute) {
74  default:
75  return StringRef();
76 #define HANDLE_DW_AT(ID, NAME, VERSION, VENDOR) \
77  case DW_AT_##NAME: \
78  return "DW_AT_" #NAME;
79 #include "llvm/BinaryFormat/Dwarf.def"
80  }
81 }
82 
84  switch (Attribute) {
85  default:
86  return 0;
87 #define HANDLE_DW_AT(ID, NAME, VERSION, VENDOR) \
88  case DW_AT_##NAME: \
89  return VERSION;
90 #include "llvm/BinaryFormat/Dwarf.def"
91  }
92 }
93 
95  switch (Attribute) {
96  default:
97  return 0;
98 #define HANDLE_DW_AT(ID, NAME, VERSION, VENDOR) \
99  case DW_AT_##NAME: \
100  return DWARF_VENDOR_##VENDOR;
101 #include "llvm/BinaryFormat/Dwarf.def"
102  }
103 }
104 
106  switch (Encoding) {
107  default:
108  return StringRef();
109 #define HANDLE_DW_FORM(ID, NAME, VERSION, VENDOR) \
110  case DW_FORM_##NAME: \
111  return "DW_FORM_" #NAME;
112 #include "llvm/BinaryFormat/Dwarf.def"
113  }
114 }
115 
117  switch (Form) {
118  default:
119  return 0;
120 #define HANDLE_DW_FORM(ID, NAME, VERSION, VENDOR) \
121  case DW_FORM_##NAME: \
122  return VERSION;
123 #include "llvm/BinaryFormat/Dwarf.def"
124  }
125 }
126 
128  switch (Form) {
129  default:
130  return 0;
131 #define HANDLE_DW_FORM(ID, NAME, VERSION, VENDOR) \
132  case DW_FORM_##NAME: \
133  return DWARF_VENDOR_##VENDOR;
134 #include "llvm/BinaryFormat/Dwarf.def"
135  }
136 }
137 
139  switch (Encoding) {
140  default:
141  return StringRef();
142 #define HANDLE_DW_OP(ID, NAME, VERSION, VENDOR) \
143  case DW_OP_##NAME: \
144  return "DW_OP_" #NAME;
145 #include "llvm/BinaryFormat/Dwarf.def"
146  case DW_OP_LLVM_fragment:
147  return "DW_OP_LLVM_fragment";
148  }
149 }
150 
153 #define HANDLE_DW_OP(ID, NAME, VERSION, VENDOR) \
154  .Case("DW_OP_" #NAME, DW_OP_##NAME)
155 #include "llvm/BinaryFormat/Dwarf.def"
156  .Case("DW_OP_LLVM_fragment", DW_OP_LLVM_fragment)
157  .Default(0);
158 }
159 
161  switch (Op) {
162  default:
163  return 0;
164 #define HANDLE_DW_OP(ID, NAME, VERSION, VENDOR) \
165  case DW_OP_##NAME: \
166  return VERSION;
167 #include "llvm/BinaryFormat/Dwarf.def"
168  }
169 }
170 
172  switch (Op) {
173  default:
174  return 0;
175 #define HANDLE_DW_OP(ID, NAME, VERSION, VENDOR) \
176  case DW_OP_##NAME: \
177  return DWARF_VENDOR_##VENDOR;
178 #include "llvm/BinaryFormat/Dwarf.def"
179  }
180 }
181 
183  switch (Encoding) {
184  default:
185  return StringRef();
186 #define HANDLE_DW_ATE(ID, NAME, VERSION, VENDOR) \
187  case DW_ATE_##NAME: \
188  return "DW_ATE_" #NAME;
189 #include "llvm/BinaryFormat/Dwarf.def"
190  }
191 }
192 
194  return StringSwitch<unsigned>(EncodingString)
195 #define HANDLE_DW_ATE(ID, NAME, VERSION, VENDOR) \
196  .Case("DW_ATE_" #NAME, DW_ATE_##NAME)
197 #include "llvm/BinaryFormat/Dwarf.def"
198  .Default(0);
199 }
200 
202  switch (ATE) {
203  default:
204  return 0;
205 #define HANDLE_DW_ATE(ID, NAME, VERSION, VENDOR) \
206  case DW_ATE_##NAME: \
207  return VERSION;
208 #include "llvm/BinaryFormat/Dwarf.def"
209  }
210 }
211 
213  switch (ATE) {
214  default:
215  return 0;
216 #define HANDLE_DW_ATE(ID, NAME, VERSION, VENDOR) \
217  case DW_ATE_##NAME: \
218  return DWARF_VENDOR_##VENDOR;
219 #include "llvm/BinaryFormat/Dwarf.def"
220  }
221 }
222 
224  switch (Sign) {
225  case DW_DS_unsigned:
226  return "DW_DS_unsigned";
228  return "DW_DS_leading_overpunch";
230  return "DW_DS_trailing_overpunch";
232  return "DW_DS_leading_separate";
234  return "DW_DS_trailing_separate";
235  }
236  return StringRef();
237 }
238 
240  switch (Endian) {
241  case DW_END_default:
242  return "DW_END_default";
243  case DW_END_big:
244  return "DW_END_big";
245  case DW_END_little:
246  return "DW_END_little";
247  case DW_END_lo_user:
248  return "DW_END_lo_user";
249  case DW_END_hi_user:
250  return "DW_END_hi_user";
251  }
252  return StringRef();
253 }
254 
256  switch (Access) {
257  // Accessibility codes
258  case DW_ACCESS_public:
259  return "DW_ACCESS_public";
260  case DW_ACCESS_protected:
261  return "DW_ACCESS_protected";
262  case DW_ACCESS_private:
263  return "DW_ACCESS_private";
264  }
265  return StringRef();
266 }
267 
269  switch (Visibility) {
270  case DW_VIS_local:
271  return "DW_VIS_local";
272  case DW_VIS_exported:
273  return "DW_VIS_exported";
274  case DW_VIS_qualified:
275  return "DW_VIS_qualified";
276  }
277  return StringRef();
278 }
279 
281  switch (Virtuality) {
282  default:
283  return StringRef();
284 #define HANDLE_DW_VIRTUALITY(ID, NAME) \
285  case DW_VIRTUALITY_##NAME: \
286  return "DW_VIRTUALITY_" #NAME;
287 #include "llvm/BinaryFormat/Dwarf.def"
288  }
289 }
290 
293 #define HANDLE_DW_VIRTUALITY(ID, NAME) \
294  .Case("DW_VIRTUALITY_" #NAME, DW_VIRTUALITY_##NAME)
295 #include "llvm/BinaryFormat/Dwarf.def"
296  .Default(DW_VIRTUALITY_invalid);
297 }
298 
300  switch (Language) {
301  default:
302  return StringRef();
303 #define HANDLE_DW_LANG(ID, NAME, VERSION, VENDOR) \
304  case DW_LANG_##NAME: \
305  return "DW_LANG_" #NAME;
306 #include "llvm/BinaryFormat/Dwarf.def"
307  }
308 }
309 
312 #define HANDLE_DW_LANG(ID, NAME, VERSION, VENDOR) \
313  .Case("DW_LANG_" #NAME, DW_LANG_##NAME)
314 #include "llvm/BinaryFormat/Dwarf.def"
315  .Default(0);
316 }
317 
319  switch (Lang) {
320  default:
321  return 0;
322 #define HANDLE_DW_LANG(ID, NAME, VERSION, VENDOR) \
323  case DW_LANG_##NAME: \
324  return VERSION;
325 #include "llvm/BinaryFormat/Dwarf.def"
326  }
327 }
328 
330  switch (Lang) {
331  default:
332  return 0;
333 #define HANDLE_DW_LANG(ID, NAME, VERSION, VENDOR) \
334  case DW_LANG_##NAME: \
335  return DWARF_VENDOR_##VENDOR;
336 #include "llvm/BinaryFormat/Dwarf.def"
337  }
338 }
339 
341  switch (Case) {
343  return "DW_ID_case_sensitive";
344  case DW_ID_up_case:
345  return "DW_ID_up_case";
346  case DW_ID_down_case:
347  return "DW_ID_down_case";
349  return "DW_ID_case_insensitive";
350  }
351  return StringRef();
352 }
353 
355  switch (CC) {
356  default:
357  return StringRef();
358 #define HANDLE_DW_CC(ID, NAME) \
359  case DW_CC_##NAME: \
360  return "DW_CC_" #NAME;
361 #include "llvm/BinaryFormat/Dwarf.def"
362  }
363 }
364 
366  return StringSwitch<unsigned>(CCString)
367 #define HANDLE_DW_CC(ID, NAME) .Case("DW_CC_" #NAME, DW_CC_##NAME)
368 #include "llvm/BinaryFormat/Dwarf.def"
369  .Default(0);
370 }
371 
373  switch (Code) {
374  case DW_INL_not_inlined:
375  return "DW_INL_not_inlined";
376  case DW_INL_inlined:
377  return "DW_INL_inlined";
379  return "DW_INL_declared_not_inlined";
381  return "DW_INL_declared_inlined";
382  }
383  return StringRef();
384 }
385 
387  switch (Order) {
388  case DW_ORD_row_major:
389  return "DW_ORD_row_major";
390  case DW_ORD_col_major:
391  return "DW_ORD_col_major";
392  }
393  return StringRef();
394 }
395 
397  switch (Standard) {
398  default:
399  return StringRef();
400 #define HANDLE_DW_LNS(ID, NAME) \
401  case DW_LNS_##NAME: \
402  return "DW_LNS_" #NAME;
403 #include "llvm/BinaryFormat/Dwarf.def"
404  }
405 }
406 
408  switch (Encoding) {
409  default:
410  return StringRef();
411 #define HANDLE_DW_LNE(ID, NAME) \
412  case DW_LNE_##NAME: \
413  return "DW_LNE_" #NAME;
414 #include "llvm/BinaryFormat/Dwarf.def"
415  }
416 }
417 
419  switch (Encoding) {
420  // Macinfo Type Encodings
421  case DW_MACINFO_define:
422  return "DW_MACINFO_define";
423  case DW_MACINFO_undef:
424  return "DW_MACINFO_undef";
426  return "DW_MACINFO_start_file";
427  case DW_MACINFO_end_file:
428  return "DW_MACINFO_end_file";
430  return "DW_MACINFO_vendor_ext";
431  case DW_MACINFO_invalid:
432  return "DW_MACINFO_invalid";
433  }
434  return StringRef();
435 }
436 
439  .Case("DW_MACINFO_define", DW_MACINFO_define)
440  .Case("DW_MACINFO_undef", DW_MACINFO_undef)
441  .Case("DW_MACINFO_start_file", DW_MACINFO_start_file)
442  .Case("DW_MACINFO_end_file", DW_MACINFO_end_file)
443  .Case("DW_MACINFO_vendor_ext", DW_MACINFO_vendor_ext)
445 }
446 
448  switch (Encoding) {
449  default:
450  return StringRef();
451 #define HANDLE_DW_RLE(ID, NAME) \
452  case DW_RLE_##NAME: \
453  return "DW_RLE_" #NAME;
454 #include "llvm/BinaryFormat/Dwarf.def"
455  }
456 }
457 
459  switch (Encoding) {
460  default:
461  return StringRef();
462 #define HANDLE_DW_CFA(ID, NAME) \
463  case DW_CFA_##NAME: \
464  return "DW_CFA_" #NAME;
465 #include "llvm/BinaryFormat/Dwarf.def"
466  }
467 }
468 
470  switch (Prop) {
471  default:
472  return StringRef();
473 #define HANDLE_DW_APPLE_PROPERTY(ID, NAME) \
474  case DW_APPLE_PROPERTY_##NAME: \
475  return "DW_APPLE_PROPERTY_" #NAME;
476 #include "llvm/BinaryFormat/Dwarf.def"
477  }
478 }
479 
481  switch (UT) {
482  default:
483  return StringRef();
484 #define HANDLE_DW_UT(ID, NAME) \
485  case DW_UT_##NAME: \
486  return "DW_UT_" #NAME;
487 #include "llvm/BinaryFormat/Dwarf.def"
488  }
489 }
490 
492  switch (AT) {
493  case dwarf::DW_ATOM_null:
494  return "DW_ATOM_null";
496  return "DW_ATOM_die_offset";
497  case DW_ATOM_cu_offset:
498  return "DW_ATOM_cu_offset";
499  case DW_ATOM_die_tag:
500  return "DW_ATOM_die_tag";
501  case DW_ATOM_type_flags:
503  return "DW_ATOM_type_flags";
505  return "DW_ATOM_qual_name_hash";
506  }
507  return StringRef();
508 }
509 
511  switch (Kind) {
512  case GIEK_NONE:
513  return "NONE";
514  case GIEK_TYPE:
515  return "TYPE";
516  case GIEK_VARIABLE:
517  return "VARIABLE";
518  case GIEK_FUNCTION:
519  return "FUNCTION";
520  case GIEK_OTHER:
521  return "OTHER";
522  case GIEK_UNUSED5:
523  return "UNUSED5";
524  case GIEK_UNUSED6:
525  return "UNUSED6";
526  case GIEK_UNUSED7:
527  return "UNUSED7";
528  }
529  llvm_unreachable("Unknown GDBIndexEntryKind value");
530 }
531 
532 StringRef
534  switch (Linkage) {
535  case GIEL_EXTERNAL:
536  return "EXTERNAL";
537  case GIEL_STATIC:
538  return "STATIC";
539  }
540  llvm_unreachable("Unknown GDBIndexEntryLinkage value");
541 }
542 
543 StringRef llvm::dwarf::AttributeValueString(uint16_t Attr, unsigned Val) {
544  switch (Attr) {
545  case DW_AT_accessibility:
546  return AccessibilityString(Val);
547  case DW_AT_virtuality:
548  return VirtualityString(Val);
549  case DW_AT_language:
550  return LanguageString(Val);
551  case DW_AT_encoding:
552  return AttributeEncodingString(Val);
553  case DW_AT_decimal_sign:
554  return DecimalSignString(Val);
555  case DW_AT_endianity:
556  return EndianityString(Val);
557  case DW_AT_visibility:
558  return VisibilityString(Val);
559  case DW_AT_identifier_case:
560  return CaseString(Val);
561  case DW_AT_calling_convention:
562  return ConventionString(Val);
563  case DW_AT_inline:
564  return InlineCodeString(Val);
565  case DW_AT_ordering:
566  return ArrayOrderString(Val);
567  case DW_AT_APPLE_runtime_class:
568  return LanguageString(Val);
569  }
570 
571  return StringRef();
572 }
573 
574 StringRef llvm::dwarf::AtomValueString(uint16_t Atom, unsigned Val) {
575  switch (Atom) {
576  case DW_ATOM_null:
577  return "NULL";
578  case DW_ATOM_die_tag:
579  return TagString(Val);
580  }
581 
582  return StringRef();
583 }
584 
586  switch (Idx) {
587  default:
588  return StringRef();
589 #define HANDLE_DW_IDX(ID, NAME) \
590  case DW_IDX_##NAME: \
591  return "DW_IDX_" #NAME;
592 #include "llvm/BinaryFormat/Dwarf.def"
593  }
594 }
595 
597  FormParams Params) {
598  switch (Form) {
599  case DW_FORM_addr:
600  if (Params)
601  return Params.AddrSize;
602  return None;
603 
604  case DW_FORM_block: // ULEB128 length L followed by L bytes.
605  case DW_FORM_block1: // 1 byte length L followed by L bytes.
606  case DW_FORM_block2: // 2 byte length L followed by L bytes.
607  case DW_FORM_block4: // 4 byte length L followed by L bytes.
608  case DW_FORM_string: // C-string with null terminator.
609  case DW_FORM_sdata: // SLEB128.
610  case DW_FORM_udata: // ULEB128.
611  case DW_FORM_ref_udata: // ULEB128.
612  case DW_FORM_indirect: // ULEB128.
613  case DW_FORM_exprloc: // ULEB128 length L followed by L bytes.
614  case DW_FORM_strx: // ULEB128.
615  case DW_FORM_addrx: // ULEB128.
616  case DW_FORM_loclistx: // ULEB128.
617  case DW_FORM_rnglistx: // ULEB128.
618  case DW_FORM_GNU_addr_index: // ULEB128.
619  case DW_FORM_GNU_str_index: // ULEB128.
620  return None;
621 
622  case DW_FORM_ref_addr:
623  if (Params)
624  return Params.getRefAddrByteSize();
625  return None;
626 
627  case DW_FORM_flag:
628  case DW_FORM_data1:
629  case DW_FORM_ref1:
630  case DW_FORM_strx1:
631  case DW_FORM_addrx1:
632  return 1;
633 
634  case DW_FORM_data2:
635  case DW_FORM_ref2:
636  case DW_FORM_strx2:
637  case DW_FORM_addrx2:
638  return 2;
639 
640  case DW_FORM_strx3:
641  return 3;
642 
643  case DW_FORM_data4:
644  case DW_FORM_ref4:
645  case DW_FORM_ref_sup4:
646  case DW_FORM_strx4:
647  case DW_FORM_addrx4:
648  return 4;
649 
650  case DW_FORM_strp:
651  case DW_FORM_GNU_ref_alt:
652  case DW_FORM_GNU_strp_alt:
653  case DW_FORM_line_strp:
654  case DW_FORM_sec_offset:
655  case DW_FORM_strp_sup:
656  if (Params)
657  return Params.getDwarfOffsetByteSize();
658  return None;
659 
660  case DW_FORM_data8:
661  case DW_FORM_ref8:
662  case DW_FORM_ref_sig8:
663  case DW_FORM_ref_sup8:
664  return 8;
665 
666  case DW_FORM_flag_present:
667  return 0;
668 
669  case DW_FORM_data16:
670  return 16;
671 
672  case DW_FORM_implicit_const:
673  // The implicit value is stored in the abbreviation as a SLEB128, and
674  // there no data in debug info.
675  return 0;
676 
677  default:
678  break;
679  }
680  return None;
681 }
682 
684  bool ExtensionsOk) {
685  if (FormVendor(F) == DWARF_VENDOR_DWARF) {
686  unsigned FV = FormVersion(F);
687  return FV > 0 && FV <= Version;
688  }
689  return ExtensionsOk;
690 }
691 
693 constexpr char llvm::dwarf::EnumTraits<Form>::Type[];
694 constexpr char llvm::dwarf::EnumTraits<Index>::Type[];
695 constexpr char llvm::dwarf::EnumTraits<Tag>::Type[];
const NoneType None
Definition: None.h:24
#define HANDLE_DW_TAG(ID, NAME, VERSION, VENDOR)
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:494
StringRef IndexString(unsigned Idx)
Definition: Dwarf.cpp:585
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
#define HANDLE_DW_OP(ID, NAME, VERSION, VENDOR)
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
uint8_t getRefAddrByteSize() const
The definition of the size of form DW_FORM_ref_addr depends on the version.
Definition: Dwarf.h:502
GDBIndexEntryKind
Definition: Dwarf.h:393
F(f)
ELFYAML::ELF_STV Visibility
Definition: ELFYAML.cpp:772
unsigned getVirtuality(StringRef VirtualityString)
Definition: Dwarf.cpp:291
constexpr char Language[]
Key for Kernel::Metadata::mLanguage.
#define HANDLE_DW_ATE(ID, NAME, VERSION, VENDOR)
unsigned TagVersion(Tag T)
Definition: Dwarf.cpp:40
StringRef FormEncodingString(unsigned Encoding)
Definition: Dwarf.cpp:105
unsigned AttributeVendor(Attribute A)
Definition: Dwarf.cpp:94
Only used in LLVM metadata.
Definition: Dwarf.h:132
LLVM_NODISCARD LLVM_ATTRIBUTE_ALWAYS_INLINE R Default(T Value)
Definition: StringSwitch.h:203
unsigned LanguageVendor(SourceLanguage L)
Definition: Dwarf.cpp:329
StringRef AttributeString(unsigned Attribute)
Definition: Dwarf.cpp:72
StringRef LanguageString(unsigned Language)
Definition: Dwarf.cpp:299
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
A switch()-like statement whose cases are string literals.
Definition: StringSwitch.h:43
StringRef GDBIndexEntryKindString(GDBIndexEntryKind Kind)
Definition: Dwarf.cpp:510
#define HANDLE_DW_VIRTUALITY(ID, NAME)
StringRef AccessibilityString(unsigned Access)
Definition: Dwarf.cpp:255
StringRef EndianityString(unsigned Endian)
Definition: Dwarf.cpp:239
StringRef AttributeEncodingString(unsigned Encoding)
Definition: Dwarf.cpp:182
StringRef CallFrameString(unsigned Encoding)
Definition: Dwarf.cpp:458
unsigned OperationVendor(LocationAtom O)
Definition: Dwarf.cpp:171
unsigned getCallingConvention(StringRef LanguageString)
Definition: Dwarf.cpp:365
SourceLanguage
Definition: Dwarf.h:185
unsigned getOperationEncoding(StringRef OperationEncodingString)
Definition: Dwarf.cpp:151
StringRef ArrayOrderString(unsigned Order)
Definition: Dwarf.cpp:386
unsigned OperationVersion(LocationAtom O)
Definition: Dwarf.cpp:160
#define HANDLE_DW_CC(ID, NAME)
StringRef GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage)
Definition: Dwarf.cpp:533
unsigned getLanguage(StringRef LanguageString)
Definition: Dwarf.cpp:310
StringRef RangeListEncodingString(unsigned Encoding)
Definition: Dwarf.cpp:447
#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
unsigned getTag(StringRef TagString)
Definition: Dwarf.cpp:32
StringRef CaseString(unsigned Case)
Definition: Dwarf.cpp:340
unsigned AttributeVersion(Attribute A)
Definition: Dwarf.cpp:83
unsigned AttributeEncodingVersion(TypeKind E)
Definition: Dwarf.cpp:201
StringRef VisibilityString(unsigned Visibility)
Definition: Dwarf.cpp:268
This file contains constants used for implementing Dwarf debug support.
StringRef UnitTypeString(unsigned)
Definition: Dwarf.cpp:480
LLVM_ATTRIBUTE_ALWAYS_INLINE StringSwitch & Case(StringLiteral S, T Value)
Definition: StringSwitch.h:70
StringRef AtomValueString(uint16_t Atom, unsigned Val)
Returns the symbolic string representing Val when used as a value for atom Atom.
Definition: Dwarf.cpp:574
Optional< uint8_t > getFixedFormByteSize(dwarf::Form Form, FormParams Params)
Get the fixed byte size for a given form.
Definition: Dwarf.cpp:596
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
#define HANDLE_DW_LANG(ID, NAME, VERSION, VENDOR)
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:683
const unsigned Kind
unsigned getAttributeEncoding(StringRef EncodingString)
Definition: Dwarf.cpp:193
GDBIndexEntryLinkage
Definition: Dwarf.h:404
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:371
uint8_t getDwarfOffsetByteSize() const
The size of a reference is determined by the DWARF 32/64-bit format.
Definition: Dwarf.h:509
const uint64_t Version
Definition: InstrProf.h:895