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DWARFFormValue.cpp
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1 //===-- DWARFFormValue.cpp ------------------------------------------------===//
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 #include <cassert>
10 
11 #include "lldb/Core/Module.h"
12 #include "lldb/Core/dwarf.h"
13 #include "lldb/Symbol/ObjectFile.h"
14 #include "lldb/Utility/Stream.h"
15 
16 #include "DWARFDebugInfo.h"
17 #include "DWARFFormValue.h"
18 #include "DWARFUnit.h"
19 
20 class DWARFUnit;
21 
22 using namespace lldb_private;
23 
25  m_unit = nullptr;
26  m_form = 0;
27  m_value = ValueTypeTag();
28 }
29 
31  lldb::offset_t *offset_ptr) {
32  if (m_form == DW_FORM_implicit_const)
33  return true;
34 
35  bool indirect = false;
36  bool is_block = false;
37  m_value.data = nullptr;
38  uint8_t ref_addr_size;
39  // Read the value for the form into value and follow and DW_FORM_indirect
40  // instances we run into
41  do {
42  indirect = false;
43  switch (m_form) {
44  case DW_FORM_addr:
45  assert(m_unit);
46  m_value.value.uval =
47  data.GetMaxU64(offset_ptr, DWARFUnit::GetAddressByteSize(m_unit));
48  break;
49  case DW_FORM_block1:
50  m_value.value.uval = data.GetU8(offset_ptr);
51  is_block = true;
52  break;
53  case DW_FORM_block2:
54  m_value.value.uval = data.GetU16(offset_ptr);
55  is_block = true;
56  break;
57  case DW_FORM_block4:
58  m_value.value.uval = data.GetU32(offset_ptr);
59  is_block = true;
60  break;
61  case DW_FORM_data16:
62  m_value.value.uval = 16;
63  is_block = true;
64  break;
65  case DW_FORM_exprloc:
66  case DW_FORM_block:
67  m_value.value.uval = data.GetULEB128(offset_ptr);
68  is_block = true;
69  break;
70  case DW_FORM_string:
71  m_value.value.cstr = data.GetCStr(offset_ptr);
72  break;
73  case DW_FORM_sdata:
74  m_value.value.sval = data.GetSLEB128(offset_ptr);
75  break;
76  case DW_FORM_strp:
77  case DW_FORM_line_strp:
78  case DW_FORM_sec_offset:
79  m_value.value.uval = data.GetMaxU64(offset_ptr, 4);
80  break;
81  case DW_FORM_addrx1:
82  case DW_FORM_strx1:
83  case DW_FORM_ref1:
84  case DW_FORM_data1:
85  case DW_FORM_flag:
86  m_value.value.uval = data.GetU8(offset_ptr);
87  break;
88  case DW_FORM_addrx2:
89  case DW_FORM_strx2:
90  case DW_FORM_ref2:
91  case DW_FORM_data2:
92  m_value.value.uval = data.GetU16(offset_ptr);
93  break;
94  case DW_FORM_addrx3:
95  case DW_FORM_strx3:
96  m_value.value.uval = data.GetMaxU64(offset_ptr, 3);
97  break;
98  case DW_FORM_addrx4:
99  case DW_FORM_strx4:
100  case DW_FORM_ref4:
101  case DW_FORM_data4:
102  m_value.value.uval = data.GetU32(offset_ptr);
103  break;
104  case DW_FORM_data8:
105  case DW_FORM_ref8:
106  case DW_FORM_ref_sig8:
107  m_value.value.uval = data.GetU64(offset_ptr);
108  break;
109  case DW_FORM_addrx:
110  case DW_FORM_loclistx:
111  case DW_FORM_rnglistx:
112  case DW_FORM_strx:
113  case DW_FORM_udata:
114  case DW_FORM_ref_udata:
115  case DW_FORM_GNU_str_index:
116  case DW_FORM_GNU_addr_index:
117  m_value.value.uval = data.GetULEB128(offset_ptr);
118  break;
119  case DW_FORM_ref_addr:
120  assert(m_unit);
121  if (m_unit->GetVersion() <= 2)
122  ref_addr_size = m_unit->GetAddressByteSize();
123  else
124  ref_addr_size = 4;
125  m_value.value.uval = data.GetMaxU64(offset_ptr, ref_addr_size);
126  break;
127  case DW_FORM_indirect:
128  m_form = data.GetULEB128(offset_ptr);
129  indirect = true;
130  break;
131  case DW_FORM_flag_present:
132  m_value.value.uval = 1;
133  break;
134  default:
135  return false;
136  }
137  } while (indirect);
138 
139  if (is_block) {
140  m_value.data = data.PeekData(*offset_ptr, m_value.value.uval);
141  if (m_value.data != nullptr) {
142  *offset_ptr += m_value.value.uval;
143  }
144  }
145 
146  return true;
147 }
148 
149 struct FormSize {
150  uint8_t valid:1, size:7;
151 };
152 static FormSize g_form_sizes[] = {
153  {0, 0}, // 0x00 unused
154  {0, 0}, // 0x01 DW_FORM_addr
155  {0, 0}, // 0x02 unused
156  {0, 0}, // 0x03 DW_FORM_block2
157  {0, 0}, // 0x04 DW_FORM_block4
158  {1, 2}, // 0x05 DW_FORM_data2
159  {1, 4}, // 0x06 DW_FORM_data4
160  {1, 8}, // 0x07 DW_FORM_data8
161  {0, 0}, // 0x08 DW_FORM_string
162  {0, 0}, // 0x09 DW_FORM_block
163  {0, 0}, // 0x0a DW_FORM_block1
164  {1, 1}, // 0x0b DW_FORM_data1
165  {1, 1}, // 0x0c DW_FORM_flag
166  {0, 0}, // 0x0d DW_FORM_sdata
167  {1, 4}, // 0x0e DW_FORM_strp
168  {0, 0}, // 0x0f DW_FORM_udata
169  {0, 0}, // 0x10 DW_FORM_ref_addr (addr size for DWARF2 and earlier, 4 bytes
170  // for DWARF32, 8 bytes for DWARF32 in DWARF 3 and later
171  {1, 1}, // 0x11 DW_FORM_ref1
172  {1, 2}, // 0x12 DW_FORM_ref2
173  {1, 4}, // 0x13 DW_FORM_ref4
174  {1, 8}, // 0x14 DW_FORM_ref8
175  {0, 0}, // 0x15 DW_FORM_ref_udata
176  {0, 0}, // 0x16 DW_FORM_indirect
177  {1, 4}, // 0x17 DW_FORM_sec_offset
178  {0, 0}, // 0x18 DW_FORM_exprloc
179  {1, 0}, // 0x19 DW_FORM_flag_present
180  {0, 0}, // 0x1a DW_FORM_strx (ULEB128)
181  {0, 0}, // 0x1b DW_FORM_addrx (ULEB128)
182  {1, 4}, // 0x1c DW_FORM_ref_sup4
183  {0, 0}, // 0x1d DW_FORM_strp_sup (4 bytes for DWARF32, 8 bytes for DWARF64)
184  {1, 16}, // 0x1e DW_FORM_data16
185  {1, 4}, // 0x1f DW_FORM_line_strp
186  {1, 8}, // 0x20 DW_FORM_ref_sig8
187 };
188 
189 llvm::Optional<uint8_t>
191  if (form <= DW_FORM_ref_sig8 && g_form_sizes[form].valid)
192  return g_form_sizes[form].size;
193  if (form == DW_FORM_addr && u)
194  return u->GetAddressByteSize();
195  return llvm::None;
196 }
197 
198 llvm::Optional<uint8_t> DWARFFormValue::GetFixedSize() const {
199  return GetFixedSize(m_form, m_unit);
200 }
201 
202 bool DWARFFormValue::SkipValue(const DWARFDataExtractor &debug_info_data,
203  lldb::offset_t *offset_ptr) const {
204  return DWARFFormValue::SkipValue(m_form, debug_info_data, offset_ptr, m_unit);
205 }
206 
208  const DWARFDataExtractor &debug_info_data,
209  lldb::offset_t *offset_ptr,
210  const DWARFUnit *unit) {
211  uint8_t ref_addr_size;
212  switch (form) {
213  // Blocks if inlined data that have a length field and the data bytes inlined
214  // in the .debug_info
215  case DW_FORM_exprloc:
216  case DW_FORM_block: {
217  dw_uleb128_t size = debug_info_data.GetULEB128(offset_ptr);
218  *offset_ptr += size;
219  }
220  return true;
221  case DW_FORM_block1: {
222  dw_uleb128_t size = debug_info_data.GetU8(offset_ptr);
223  *offset_ptr += size;
224  }
225  return true;
226  case DW_FORM_block2: {
227  dw_uleb128_t size = debug_info_data.GetU16(offset_ptr);
228  *offset_ptr += size;
229  }
230  return true;
231  case DW_FORM_block4: {
232  dw_uleb128_t size = debug_info_data.GetU32(offset_ptr);
233  *offset_ptr += size;
234  }
235  return true;
236 
237  // Inlined NULL terminated C-strings
238  case DW_FORM_string:
239  debug_info_data.GetCStr(offset_ptr);
240  return true;
241 
242  // Compile unit address sized values
243  case DW_FORM_addr:
244  *offset_ptr += DWARFUnit::GetAddressByteSize(unit);
245  return true;
246 
247  case DW_FORM_ref_addr:
248  ref_addr_size = 4;
249  assert(unit); // Unit must be valid for DW_FORM_ref_addr objects or we will
250  // get this wrong
251  if (unit->GetVersion() <= 2)
252  ref_addr_size = unit->GetAddressByteSize();
253  else
254  ref_addr_size = 4;
255  *offset_ptr += ref_addr_size;
256  return true;
257 
258  // 0 bytes values (implied from DW_FORM)
259  case DW_FORM_flag_present:
260  case DW_FORM_implicit_const:
261  return true;
262 
263  // 1 byte values
264  case DW_FORM_addrx1:
265  case DW_FORM_data1:
266  case DW_FORM_flag:
267  case DW_FORM_ref1:
268  case DW_FORM_strx1:
269  *offset_ptr += 1;
270  return true;
271 
272  // 2 byte values
273  case DW_FORM_addrx2:
274  case DW_FORM_data2:
275  case DW_FORM_ref2:
276  case DW_FORM_strx2:
277  *offset_ptr += 2;
278  return true;
279 
280  // 3 byte values
281  case DW_FORM_addrx3:
282  case DW_FORM_strx3:
283  *offset_ptr += 3;
284  return true;
285 
286  // 32 bit for DWARF 32, 64 for DWARF 64
287  case DW_FORM_sec_offset:
288  case DW_FORM_strp:
289  case DW_FORM_line_strp:
290  *offset_ptr += 4;
291  return true;
292 
293  // 4 byte values
294  case DW_FORM_addrx4:
295  case DW_FORM_data4:
296  case DW_FORM_ref4:
297  case DW_FORM_strx4:
298  *offset_ptr += 4;
299  return true;
300 
301  // 8 byte values
302  case DW_FORM_data8:
303  case DW_FORM_ref8:
304  case DW_FORM_ref_sig8:
305  *offset_ptr += 8;
306  return true;
307 
308  // signed or unsigned LEB 128 values
309  case DW_FORM_addrx:
310  case DW_FORM_loclistx:
311  case DW_FORM_rnglistx:
312  case DW_FORM_sdata:
313  case DW_FORM_udata:
314  case DW_FORM_ref_udata:
315  case DW_FORM_GNU_addr_index:
316  case DW_FORM_GNU_str_index:
317  case DW_FORM_strx:
318  debug_info_data.Skip_LEB128(offset_ptr);
319  return true;
320 
321  case DW_FORM_indirect: {
322  dw_form_t indirect_form = debug_info_data.GetULEB128(offset_ptr);
323  return DWARFFormValue::SkipValue(indirect_form, debug_info_data, offset_ptr,
324  unit);
325  }
326 
327  default:
328  break;
329  }
330  return false;
331 }
332 
333 void DWARFFormValue::Dump(Stream &s) const {
334  uint64_t uvalue = Unsigned();
335  bool unit_relative_offset = false;
336 
337  switch (m_form) {
338  case DW_FORM_addr:
339  DumpAddress(s.AsRawOstream(), uvalue, sizeof(uint64_t));
340  break;
341  case DW_FORM_flag:
342  case DW_FORM_data1:
343  s.PutHex8(uvalue);
344  break;
345  case DW_FORM_data2:
346  s.PutHex16(uvalue);
347  break;
348  case DW_FORM_sec_offset:
349  case DW_FORM_data4:
350  s.PutHex32(uvalue);
351  break;
352  case DW_FORM_ref_sig8:
353  case DW_FORM_data8:
354  s.PutHex64(uvalue);
355  break;
356  case DW_FORM_string:
357  s.QuotedCString(AsCString());
358  break;
359  case DW_FORM_exprloc:
360  case DW_FORM_block:
361  case DW_FORM_block1:
362  case DW_FORM_block2:
363  case DW_FORM_block4:
364  if (uvalue > 0) {
365  switch (m_form) {
366  case DW_FORM_exprloc:
367  case DW_FORM_block:
368  s.Printf("<0x%" PRIx64 "> ", uvalue);
369  break;
370  case DW_FORM_block1:
371  s.Printf("<0x%2.2x> ", (uint8_t)uvalue);
372  break;
373  case DW_FORM_block2:
374  s.Printf("<0x%4.4x> ", (uint16_t)uvalue);
375  break;
376  case DW_FORM_block4:
377  s.Printf("<0x%8.8x> ", (uint32_t)uvalue);
378  break;
379  default:
380  break;
381  }
382 
383  const uint8_t *data_ptr = m_value.data;
384  if (data_ptr) {
385  const uint8_t *end_data_ptr =
386  data_ptr + uvalue; // uvalue contains size of block
387  while (data_ptr < end_data_ptr) {
388  s.Printf("%2.2x ", *data_ptr);
389  ++data_ptr;
390  }
391  } else
392  s.PutCString("NULL");
393  }
394  break;
395 
396  case DW_FORM_sdata:
397  s.PutSLEB128(uvalue);
398  break;
399  case DW_FORM_udata:
400  s.PutULEB128(uvalue);
401  break;
402  case DW_FORM_strp:
403  case DW_FORM_line_strp: {
404  const char *dbg_str = AsCString();
405  if (dbg_str) {
406  s.QuotedCString(dbg_str);
407  } else {
408  s.PutHex32(uvalue);
409  }
410  } break;
411 
412  case DW_FORM_ref_addr: {
413  assert(m_unit); // Unit must be valid for DW_FORM_ref_addr objects or we
414  // will get this wrong
415  if (m_unit->GetVersion() <= 2)
416  DumpAddress(s.AsRawOstream(), uvalue, sizeof(uint64_t) * 2);
417  else
418  DumpAddress(s.AsRawOstream(), uvalue,
419  4 * 2); // 4 for DWARF32, 8 for DWARF64, but we don't
420  // support DWARF64 yet
421  break;
422  }
423  case DW_FORM_ref1:
424  unit_relative_offset = true;
425  break;
426  case DW_FORM_ref2:
427  unit_relative_offset = true;
428  break;
429  case DW_FORM_ref4:
430  unit_relative_offset = true;
431  break;
432  case DW_FORM_ref8:
433  unit_relative_offset = true;
434  break;
435  case DW_FORM_ref_udata:
436  unit_relative_offset = true;
437  break;
438 
439  // All DW_FORM_indirect attributes should be resolved prior to calling this
440  // function
441  case DW_FORM_indirect:
442  s.PutCString("DW_FORM_indirect");
443  break;
444  case DW_FORM_flag_present:
445  break;
446  default:
447  s.Printf("DW_FORM(0x%4.4x)", m_form);
448  break;
449  }
450 
451  if (unit_relative_offset) {
452  assert(m_unit); // Unit must be valid for DW_FORM_ref forms that are compile
453  // unit relative or we will get this wrong
454  s.Printf("{0x%8.8" PRIx64 "}", uvalue + m_unit->GetOffset());
455  }
456 }
457 
458 const char *DWARFFormValue::AsCString() const {
459  DWARFContext &context = m_unit->GetSymbolFileDWARF().GetDWARFContext();
460 
461  if (m_form == DW_FORM_string)
462  return m_value.value.cstr;
463  if (m_form == DW_FORM_strp)
464  return context.getOrLoadStrData().PeekCStr(m_value.value.uval);
465 
466  if (m_form == DW_FORM_GNU_str_index || m_form == DW_FORM_strx ||
467  m_form == DW_FORM_strx1 || m_form == DW_FORM_strx2 ||
468  m_form == DW_FORM_strx3 || m_form == DW_FORM_strx4) {
469 
470  llvm::Optional<uint64_t> offset =
471  m_unit->GetStringOffsetSectionItem(m_value.value.uval);
472  if (!offset)
473  return nullptr;
474  return context.getOrLoadStrData().PeekCStr(*offset);
475  }
476 
477  if (m_form == DW_FORM_line_strp)
478  return context.getOrLoadLineStrData().PeekCStr(m_value.value.uval);
479 
480  return nullptr;
481 }
482 
484  SymbolFileDWARF &symbol_file = m_unit->GetSymbolFileDWARF();
485 
486  if (m_form == DW_FORM_addr)
487  return Unsigned();
488 
489  assert(m_unit);
490  assert(m_form == DW_FORM_GNU_addr_index || m_form == DW_FORM_addrx ||
491  m_form == DW_FORM_addrx1 || m_form == DW_FORM_addrx2 ||
492  m_form == DW_FORM_addrx3 || m_form == DW_FORM_addrx4);
493 
494  uint32_t index_size = m_unit->GetAddressByteSize();
495  dw_offset_t addr_base = m_unit->GetAddrBase();
496  lldb::offset_t offset = addr_base + m_value.value.uval * index_size;
497  return symbol_file.GetDWARFContext().getOrLoadAddrData().GetMaxU64(
498  &offset, index_size);
499 }
500 
502  uint64_t value = m_value.value.uval;
503  switch (m_form) {
504  case DW_FORM_ref1:
505  case DW_FORM_ref2:
506  case DW_FORM_ref4:
507  case DW_FORM_ref8:
508  case DW_FORM_ref_udata:
509  assert(m_unit); // Unit must be valid for DW_FORM_ref forms that are compile
510  // unit relative or we will get this wrong
511  value += m_unit->GetOffset();
512  if (!m_unit->ContainsDIEOffset(value)) {
513  m_unit->GetSymbolFileDWARF().GetObjectFile()->GetModule()->ReportError(
514  "DW_FORM_ref* DIE reference 0x%" PRIx64 " is outside of its CU",
515  value);
516  return {};
517  }
518  return const_cast<DWARFUnit *>(m_unit)->GetDIE(value);
519 
520  case DW_FORM_ref_addr: {
521  DWARFUnit *ref_cu =
523  DIERef::Section::DebugInfo, value);
524  if (!ref_cu) {
525  m_unit->GetSymbolFileDWARF().GetObjectFile()->GetModule()->ReportError(
526  "DW_FORM_ref_addr DIE reference 0x%" PRIx64 " has no matching CU",
527  value);
528  return {};
529  }
530  return ref_cu->GetDIE(value);
531  }
532 
533  case DW_FORM_ref_sig8: {
534  DWARFTypeUnit *tu =
536  if (!tu)
537  return {};
538  return tu->GetDIE(tu->GetTypeOffset());
539  }
540 
541  default:
542  return {};
543  }
544 }
545 
546 uint64_t DWARFFormValue::Reference(dw_offset_t base_offset) const {
547  uint64_t value = m_value.value.uval;
548  switch (m_form) {
549  case DW_FORM_ref1:
550  case DW_FORM_ref2:
551  case DW_FORM_ref4:
552  case DW_FORM_ref8:
553  case DW_FORM_ref_udata:
554  return value + base_offset;
555 
556  case DW_FORM_ref_addr:
557  case DW_FORM_ref_sig8:
558  case DW_FORM_GNU_ref_alt:
559  return value;
560 
561  default:
562  return DW_INVALID_OFFSET;
563  }
564 }
565 
566 const uint8_t *DWARFFormValue::BlockData() const { return m_value.data; }
567 
569  switch (form) {
570  case DW_FORM_exprloc:
571  case DW_FORM_block:
572  case DW_FORM_block1:
573  case DW_FORM_block2:
574  case DW_FORM_block4:
575  return true;
576  }
577  return false;
578 }
579 
581  switch (form) {
582  case DW_FORM_sdata:
583  case DW_FORM_udata:
584  case DW_FORM_data1:
585  case DW_FORM_data2:
586  case DW_FORM_data4:
587  case DW_FORM_data8:
588  return true;
589  }
590  return false;
591 }
592 
594  switch (form) {
595  case DW_FORM_addr:
596  case DW_FORM_addrx:
597  case DW_FORM_loclistx:
598  case DW_FORM_rnglistx:
599  case DW_FORM_block2:
600  case DW_FORM_block4:
601  case DW_FORM_data2:
602  case DW_FORM_data4:
603  case DW_FORM_data8:
604  case DW_FORM_string:
605  case DW_FORM_block:
606  case DW_FORM_block1:
607  case DW_FORM_data1:
608  case DW_FORM_flag:
609  case DW_FORM_sdata:
610  case DW_FORM_strp:
611  case DW_FORM_line_strp:
612  case DW_FORM_strx:
613  case DW_FORM_strx1:
614  case DW_FORM_strx2:
615  case DW_FORM_strx3:
616  case DW_FORM_strx4:
617  case DW_FORM_udata:
618  case DW_FORM_ref_addr:
619  case DW_FORM_ref1:
620  case DW_FORM_ref2:
621  case DW_FORM_ref4:
622  case DW_FORM_ref8:
623  case DW_FORM_ref_udata:
624  case DW_FORM_indirect:
625  case DW_FORM_sec_offset:
626  case DW_FORM_exprloc:
627  case DW_FORM_flag_present:
628  case DW_FORM_ref_sig8:
629  case DW_FORM_GNU_str_index:
630  case DW_FORM_GNU_addr_index:
631  case DW_FORM_implicit_const:
632  return true;
633  default:
634  break;
635  }
636  return false;
637 }
DWARFFormValue.h
lldb_private::DataExtractor::GetULEB128
uint64_t GetULEB128(lldb::offset_t *offset_ptr) const
Extract a unsigned LEB128 value from *offset_ptr.
Definition: DataExtractor.cpp:845
g_form_sizes
static FormSize g_form_sizes[]
Definition: DWARFFormValue.cpp:152
DWARFFormValue::Reference
DWARFDIE Reference() const
Definition: DWARFFormValue.cpp:501
lldb_private::DWARFContext::getOrLoadStrData
const DWARFDataExtractor & getOrLoadStrData()
Definition: DWARFContext.cpp:110
lldb_private::Stream::PutHex32
size_t PutHex32(uint32_t uvalue, lldb::ByteOrder byte_order=lldb::eByteOrderInvalid)
Definition: Stream.cpp:256
SymbolFileDWARF::GetDWARFContext
lldb_private::DWARFContext & GetDWARFContext()
Definition: SymbolFileDWARF.h:295
DWARFTypeUnit
Definition: DWARFTypeUnit.h:15
DWARFFormValue::Address
dw_addr_t Address() const
Definition: DWARFFormValue.cpp:483
Module.h
lldb_private::DataExtractor::PeekData
const uint8_t * PeekData(lldb::offset_t offset, lldb::offset_t length) const
Peek at a bytes at offset.
Definition: DataExtractor.h:821
lldb_private::DWARFContext::getOrLoadAddrData
const DWARFDataExtractor & getOrLoadAddrData()
Definition: DWARFContext.cpp:63
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Definition: SymbolFileDWARF.h:58
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Definition: DWARFTypeUnit.h:23
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Definition: SymbolFile.h:266
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Definition: lldb-types.h:87
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Definition: Stream.h:28
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Definition: DWARFDataExtractor.h:18
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#define DW_INVALID_OFFSET
Definition: dwarf.h:34
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Extract a uint64_t value from *offset_ptr.
Definition: DataExtractor.cpp:477
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Definition: DWARFContext.h:20
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const char * PeekCStr(lldb::offset_t offset) const
Peek at a C string at offset.
Definition: DataExtractor.cpp:835
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Definition: DWARFDIE.h:15
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uint8_t GetAddressByteSize() const
Definition: DWARFUnit.h:153
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Extract a signed LEB128 value from *offset_ptr.
Definition: DataExtractor.cpp:862
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Definition: DWARFUnit.h:80
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Definition: DWARFDebugInfo.cpp:164
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Output an address value to this stream.
Definition: Stream.cpp:81
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const DWARFDataExtractor & getOrLoadLineStrData()
Definition: DWARFContext.cpp:78
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Extract a uint8_t value from *offset_ptr.
Definition: DataExtractor.cpp:319
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Definition: DWARFFormValue.cpp:24
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Definition: DWARFFormValue.cpp:568
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Definition: DWARFFormValue.cpp:198
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Skip an LEB128 number at *offset_ptr.
Definition: DataExtractor.cpp:879
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Definition: Stream.cpp:240
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Definition: DWARFFormValue.cpp:580
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Definition: Stream.cpp:272
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Definition: DWARFUnit.h:150
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Definition: DWARFFormValue.cpp:30
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Definition: DWARFFormValue.cpp:333
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Output a quoted C string value to the stream.
Definition: Stream.cpp:75
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Definition: DWARFFormValue.cpp:566
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Definition: DWARFFormValue.h:22
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Extract an unsigned integer of size byte_size from *offset_ptr.
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Definition: DWARFFormValue.cpp:593
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Returns a raw_ostream that forwards the data to this Stream object.
Definition: Stream.h:357
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Definition: DWARFFormValue.cpp:149
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Get const accessor for the module pointer.
Definition: ModuleChild.cpp:24
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Definition: DWARFFormValue.cpp:150
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Extract a uint32_t value from *offset_ptr.
Definition: DataExtractor.cpp:428
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Definition: SymbolFileDWARF.cpp:637
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Definition: DWARFFormValue.cpp:458
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Output printf formatted output to the stream.
Definition: Stream.cpp:107
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Definition: DWARFDebugInfo.cpp:155
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A class that represents a running process on the host machine.
Definition: SBCommandInterpreterRunOptions.h:16
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Extract a uint16_t value from *offset_ptr.
Definition: DataExtractor.cpp:350
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Extract a C string from *offset_ptr.
Definition: DataExtractor.cpp:787
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Output a C string to the stream.
Definition: Stream.cpp:63
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Definition: DWARFUnit.h:193
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Definition: DWARFFormValue.cpp:150
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Definition: dwarf.h:26
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Append an uint8_t value in the hexadecimal format to the stream.
Definition: Stream.cpp:234
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Output a ULEB128 number to the stream.
Definition: Stream.cpp:55
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Definition: DWARFFormValue.cpp:202
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Output a SLEB128 number to the stream.
Definition: Stream.cpp:47
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Definition: DWARFUnit.cpp:560