LLVM  10.0.0svn
RelocationResolver.cpp
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1 //===- RelocationResolver.cpp ------------------------------------*- 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 // This file defines utilities to resolve relocations in object files.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "llvm/Object/RelocationResolver.h"
14 
15 namespace llvm {
16 namespace object {
17 
18 static int64_t getELFAddend(RelocationRef R) {
19  Expected<int64_t> AddendOrErr = ELFRelocationRef(R).getAddend();
20  handleAllErrors(AddendOrErr.takeError(), [](const ErrorInfoBase &EI) {
21  report_fatal_error(EI.message());
22  });
23  return *AddendOrErr;
24 }
25 
26 static bool supportsX86_64(uint64_t Type) {
27  switch (Type) {
28  case ELF::R_X86_64_NONE:
29  case ELF::R_X86_64_64:
30  case ELF::R_X86_64_DTPOFF32:
31  case ELF::R_X86_64_DTPOFF64:
32  case ELF::R_X86_64_PC32:
33  case ELF::R_X86_64_32:
34  case ELF::R_X86_64_32S:
35  return true;
36  default:
37  return false;
38  }
39 }
40 
41 static uint64_t resolveX86_64(RelocationRef R, uint64_t S, uint64_t A) {
42  switch (R.getType()) {
43  case ELF::R_X86_64_NONE:
44  return A;
45  case ELF::R_X86_64_64:
46  case ELF::R_X86_64_DTPOFF32:
47  case ELF::R_X86_64_DTPOFF64:
48  return S + getELFAddend(R);
49  case ELF::R_X86_64_PC32:
50  return S + getELFAddend(R) - R.getOffset();
51  case ELF::R_X86_64_32:
52  case ELF::R_X86_64_32S:
53  return (S + getELFAddend(R)) & 0xFFFFFFFF;
54  default:
55  llvm_unreachable("Invalid relocation type");
56  }
57 }
58 
59 static bool supportsAArch64(uint64_t Type) {
60  switch (Type) {
61  case ELF::R_AARCH64_ABS32:
62  case ELF::R_AARCH64_ABS64:
63  return true;
64  default:
65  return false;
66  }
67 }
68 
69 static uint64_t resolveAArch64(RelocationRef R, uint64_t S, uint64_t A) {
70  switch (R.getType()) {
71  case ELF::R_AARCH64_ABS32:
72  return (S + getELFAddend(R)) & 0xFFFFFFFF;
73  case ELF::R_AARCH64_ABS64:
74  return S + getELFAddend(R);
75  default:
76  llvm_unreachable("Invalid relocation type");
77  }
78 }
79 
80 static bool supportsBPF(uint64_t Type) {
81  switch (Type) {
82  case ELF::R_BPF_64_32:
83  case ELF::R_BPF_64_64:
84  return true;
85  default:
86  return false;
87  }
88 }
89 
90 static uint64_t resolveBPF(RelocationRef R, uint64_t S, uint64_t A) {
91  switch (R.getType()) {
92  case ELF::R_BPF_64_32:
93  return (S + A) & 0xFFFFFFFF;
94  case ELF::R_BPF_64_64:
95  return S + A;
96  default:
97  llvm_unreachable("Invalid relocation type");
98  }
99 }
100 
101 static bool supportsMips64(uint64_t Type) {
102  switch (Type) {
103  case ELF::R_MIPS_32:
104  case ELF::R_MIPS_64:
105  case ELF::R_MIPS_TLS_DTPREL64:
106  return true;
107  default:
108  return false;
109  }
110 }
111 
112 static uint64_t resolveMips64(RelocationRef R, uint64_t S, uint64_t A) {
113  switch (R.getType()) {
114  case ELF::R_MIPS_32:
115  return (S + getELFAddend(R)) & 0xFFFFFFFF;
116  case ELF::R_MIPS_64:
117  return S + getELFAddend(R);
118  case ELF::R_MIPS_TLS_DTPREL64:
119  return S + getELFAddend(R) - 0x8000;
120  default:
121  llvm_unreachable("Invalid relocation type");
122  }
123 }
124 
125 static bool supportsPPC64(uint64_t Type) {
126  switch (Type) {
127  case ELF::R_PPC64_ADDR32:
128  case ELF::R_PPC64_ADDR64:
129  return true;
130  default:
131  return false;
132  }
133 }
134 
135 static uint64_t resolvePPC64(RelocationRef R, uint64_t S, uint64_t A) {
136  switch (R.getType()) {
137  case ELF::R_PPC64_ADDR32:
138  return (S + getELFAddend(R)) & 0xFFFFFFFF;
139  case ELF::R_PPC64_ADDR64:
140  return S + getELFAddend(R);
141  default:
142  llvm_unreachable("Invalid relocation type");
143  }
144 }
145 
146 static bool supportsSystemZ(uint64_t Type) {
147  switch (Type) {
148  case ELF::R_390_32:
149  case ELF::R_390_64:
150  return true;
151  default:
152  return false;
153  }
154 }
155 
156 static uint64_t resolveSystemZ(RelocationRef R, uint64_t S, uint64_t A) {
157  switch (R.getType()) {
158  case ELF::R_390_32:
159  return (S + getELFAddend(R)) & 0xFFFFFFFF;
160  case ELF::R_390_64:
161  return S + getELFAddend(R);
162  default:
163  llvm_unreachable("Invalid relocation type");
164  }
165 }
166 
167 static bool supportsSparc64(uint64_t Type) {
168  switch (Type) {
169  case ELF::R_SPARC_32:
170  case ELF::R_SPARC_64:
171  case ELF::R_SPARC_UA32:
172  case ELF::R_SPARC_UA64:
173  return true;
174  default:
175  return false;
176  }
177 }
178 
179 static uint64_t resolveSparc64(RelocationRef R, uint64_t S, uint64_t A) {
180  switch (R.getType()) {
181  case ELF::R_SPARC_32:
182  case ELF::R_SPARC_64:
183  case ELF::R_SPARC_UA32:
184  case ELF::R_SPARC_UA64:
185  return S + getELFAddend(R);
186  default:
187  llvm_unreachable("Invalid relocation type");
188  }
189 }
190 
191 static bool supportsAmdgpu(uint64_t Type) {
192  switch (Type) {
193  case ELF::R_AMDGPU_ABS32:
194  case ELF::R_AMDGPU_ABS64:
195  return true;
196  default:
197  return false;
198  }
199 }
200 
201 static uint64_t resolveAmdgpu(RelocationRef R, uint64_t S, uint64_t A) {
202  switch (R.getType()) {
203  case ELF::R_AMDGPU_ABS32:
204  case ELF::R_AMDGPU_ABS64:
205  return S + getELFAddend(R);
206  default:
207  llvm_unreachable("Invalid relocation type");
208  }
209 }
210 
211 static bool supportsX86(uint64_t Type) {
212  switch (Type) {
213  case ELF::R_386_NONE:
214  case ELF::R_386_32:
215  case ELF::R_386_PC32:
216  return true;
217  default:
218  return false;
219  }
220 }
221 
222 static uint64_t resolveX86(RelocationRef R, uint64_t S, uint64_t A) {
223  switch (R.getType()) {
224  case ELF::R_386_NONE:
225  return A;
226  case ELF::R_386_32:
227  return S + A;
228  case ELF::R_386_PC32:
229  return S - R.getOffset() + A;
230  default:
231  llvm_unreachable("Invalid relocation type");
232  }
233 }
234 
235 static bool supportsPPC32(uint64_t Type) {
236  return Type == ELF::R_PPC_ADDR32;
237 }
238 
239 static uint64_t resolvePPC32(RelocationRef R, uint64_t S, uint64_t A) {
240  if (R.getType() == ELF::R_PPC_ADDR32)
241  return (S + getELFAddend(R)) & 0xFFFFFFFF;
242  llvm_unreachable("Invalid relocation type");
243 }
244 
245 static bool supportsARM(uint64_t Type) {
246  return Type == ELF::R_ARM_ABS32;
247 }
248 
249 static uint64_t resolveARM(RelocationRef R, uint64_t S, uint64_t A) {
250  if (R.getType() == ELF::R_ARM_ABS32)
251  return (S + A) & 0xFFFFFFFF;
252  llvm_unreachable("Invalid relocation type");
253 }
254 
255 static bool supportsAVR(uint64_t Type) {
256  switch (Type) {
257  case ELF::R_AVR_16:
258  case ELF::R_AVR_32:
259  return true;
260  default:
261  return false;
262  }
263 }
264 
265 static uint64_t resolveAVR(RelocationRef R, uint64_t S, uint64_t A) {
266  switch (R.getType()) {
267  case ELF::R_AVR_16:
268  return (S + getELFAddend(R)) & 0xFFFF;
269  case ELF::R_AVR_32:
270  return (S + getELFAddend(R)) & 0xFFFFFFFF;
271  default:
272  llvm_unreachable("Invalid relocation type");
273  }
274 }
275 
276 static bool supportsLanai(uint64_t Type) {
277  return Type == ELF::R_LANAI_32;
278 }
279 
280 static uint64_t resolveLanai(RelocationRef R, uint64_t S, uint64_t A) {
281  if (R.getType() == ELF::R_LANAI_32)
282  return (S + getELFAddend(R)) & 0xFFFFFFFF;
283  llvm_unreachable("Invalid relocation type");
284 }
285 
286 static bool supportsMips32(uint64_t Type) {
287  switch (Type) {
288  case ELF::R_MIPS_32:
289  case ELF::R_MIPS_TLS_DTPREL32:
290  return true;
291  default:
292  return false;
293  }
294 }
295 
296 static uint64_t resolveMips32(RelocationRef R, uint64_t S, uint64_t A) {
297  // FIXME: Take in account implicit addends to get correct results.
298  uint32_t Rel = R.getType();
299  if (Rel == ELF::R_MIPS_32)
300  return (S + A) & 0xFFFFFFFF;
301  if (Rel == ELF::R_MIPS_TLS_DTPREL32)
302  return (S + A) & 0xFFFFFFFF;
303  llvm_unreachable("Invalid relocation type");
304 }
305 
306 static bool supportsSparc32(uint64_t Type) {
307  switch (Type) {
308  case ELF::R_SPARC_32:
309  case ELF::R_SPARC_UA32:
310  return true;
311  default:
312  return false;
313  }
314 }
315 
316 static uint64_t resolveSparc32(RelocationRef R, uint64_t S, uint64_t A) {
317  uint32_t Rel = R.getType();
318  if (Rel == ELF::R_SPARC_32 || Rel == ELF::R_SPARC_UA32)
319  return S + getELFAddend(R);
320  return A;
321 }
322 
323 static bool supportsHexagon(uint64_t Type) {
324  return Type == ELF::R_HEX_32;
325 }
326 
327 static uint64_t resolveHexagon(RelocationRef R, uint64_t S, uint64_t A) {
328  if (R.getType() == ELF::R_HEX_32)
329  return S + getELFAddend(R);
330  llvm_unreachable("Invalid relocation type");
331 }
332 
333 static bool supportsRISCV(uint64_t Type) {
334  switch (Type) {
335  case ELF::R_RISCV_NONE:
336  case ELF::R_RISCV_32:
337  case ELF::R_RISCV_64:
338  case ELF::R_RISCV_SET6:
339  case ELF::R_RISCV_SUB6:
340  case ELF::R_RISCV_ADD8:
341  case ELF::R_RISCV_SUB8:
342  case ELF::R_RISCV_ADD16:
343  case ELF::R_RISCV_SUB16:
344  case ELF::R_RISCV_ADD32:
345  case ELF::R_RISCV_SUB32:
346  case ELF::R_RISCV_ADD64:
347  case ELF::R_RISCV_SUB64:
348  return true;
349  default:
350  return false;
351  }
352 }
353 
354 static uint64_t resolveRISCV(RelocationRef R, uint64_t S, uint64_t A) {
355  int64_t RA = getELFAddend(R);
356  switch (R.getType()) {
357  case ELF::R_RISCV_NONE:
358  return A;
359  case ELF::R_RISCV_32:
360  return (S + RA) & 0xFFFFFFFF;
361  case ELF::R_RISCV_64:
362  return S + RA;
363  case ELF::R_RISCV_SET6:
364  return (A + (S + RA)) & 0xFF;
365  case ELF::R_RISCV_SUB6:
366  return (A - (S + RA)) & 0xFF;
367  case ELF::R_RISCV_ADD8:
368  return (A + (S + RA)) & 0xFF;
369  case ELF::R_RISCV_SUB8:
370  return (A - (S + RA)) & 0xFF;
371  case ELF::R_RISCV_ADD16:
372  return (A + (S + RA)) & 0xFFFF;
373  case ELF::R_RISCV_SUB16:
374  return (A - (S + RA)) & 0xFFFF;
375  case ELF::R_RISCV_ADD32:
376  return (A + (S + RA)) & 0xFFFFFFFF;
377  case ELF::R_RISCV_SUB32:
378  return (A - (S + RA)) & 0xFFFFFFFF;
379  case ELF::R_RISCV_ADD64:
380  return (A + (S + RA));
381  case ELF::R_RISCV_SUB64:
382  return (A - (S + RA));
383  default:
384  llvm_unreachable("Invalid relocation type");
385  }
386 }
387 
388 static bool supportsCOFFX86(uint64_t Type) {
389  switch (Type) {
390  case COFF::IMAGE_REL_I386_SECREL:
391  case COFF::IMAGE_REL_I386_DIR32:
392  return true;
393  default:
394  return false;
395  }
396 }
397 
398 static uint64_t resolveCOFFX86(RelocationRef R, uint64_t S, uint64_t A) {
399  switch (R.getType()) {
400  case COFF::IMAGE_REL_I386_SECREL:
401  case COFF::IMAGE_REL_I386_DIR32:
402  return (S + A) & 0xFFFFFFFF;
403  default:
404  llvm_unreachable("Invalid relocation type");
405  }
406 }
407 
408 static bool supportsCOFFX86_64(uint64_t Type) {
409  switch (Type) {
410  case COFF::IMAGE_REL_AMD64_SECREL:
411  case COFF::IMAGE_REL_AMD64_ADDR64:
412  return true;
413  default:
414  return false;
415  }
416 }
417 
418 static uint64_t resolveCOFFX86_64(RelocationRef R, uint64_t S, uint64_t A) {
419  switch (R.getType()) {
420  case COFF::IMAGE_REL_AMD64_SECREL:
421  return (S + A) & 0xFFFFFFFF;
422  case COFF::IMAGE_REL_AMD64_ADDR64:
423  return S + A;
424  default:
425  llvm_unreachable("Invalid relocation type");
426  }
427 }
428 
429 static bool supportsCOFFARM(uint64_t Type) {
430  switch (Type) {
431  case COFF::IMAGE_REL_ARM_SECREL:
432  case COFF::IMAGE_REL_ARM_ADDR32:
433  return true;
434  default:
435  return false;
436  }
437 }
438 
439 static uint64_t resolveCOFFARM(RelocationRef R, uint64_t S, uint64_t A) {
440  switch (R.getType()) {
441  case COFF::IMAGE_REL_ARM_SECREL:
442  case COFF::IMAGE_REL_ARM_ADDR32:
443  return (S + A) & 0xFFFFFFFF;
444  default:
445  llvm_unreachable("Invalid relocation type");
446  }
447 }
448 
449 static bool supportsCOFFARM64(uint64_t Type) {
450  switch (Type) {
451  case COFF::IMAGE_REL_ARM64_SECREL:
452  case COFF::IMAGE_REL_ARM64_ADDR64:
453  return true;
454  default:
455  return false;
456  }
457 }
458 
459 static uint64_t resolveCOFFARM64(RelocationRef R, uint64_t S, uint64_t A) {
460  switch (R.getType()) {
461  case COFF::IMAGE_REL_ARM64_SECREL:
462  return (S + A) & 0xFFFFFFFF;
463  case COFF::IMAGE_REL_ARM64_ADDR64:
464  return S + A;
465  default:
466  llvm_unreachable("Invalid relocation type");
467  }
468 }
469 
470 static bool supportsMachOX86_64(uint64_t Type) {
471  return Type == MachO::X86_64_RELOC_UNSIGNED;
472 }
473 
474 static uint64_t resolveMachOX86_64(RelocationRef R, uint64_t S, uint64_t A) {
475  if (R.getType() == MachO::X86_64_RELOC_UNSIGNED)
476  return S;
477  llvm_unreachable("Invalid relocation type");
478 }
479 
480 static bool supportsWasm32(uint64_t Type) {
481  switch (Type) {
482  case wasm::R_WASM_FUNCTION_INDEX_LEB:
483  case wasm::R_WASM_TABLE_INDEX_SLEB:
484  case wasm::R_WASM_TABLE_INDEX_I32:
485  case wasm::R_WASM_MEMORY_ADDR_LEB:
486  case wasm::R_WASM_MEMORY_ADDR_SLEB:
487  case wasm::R_WASM_MEMORY_ADDR_I32:
488  case wasm::R_WASM_TYPE_INDEX_LEB:
489  case wasm::R_WASM_GLOBAL_INDEX_LEB:
490  case wasm::R_WASM_FUNCTION_OFFSET_I32:
491  case wasm::R_WASM_SECTION_OFFSET_I32:
492  case wasm::R_WASM_EVENT_INDEX_LEB:
493  return true;
494  default:
495  return false;
496  }
497 }
498 
499 static uint64_t resolveWasm32(RelocationRef R, uint64_t S, uint64_t A) {
500  switch (R.getType()) {
501  case wasm::R_WASM_FUNCTION_INDEX_LEB:
502  case wasm::R_WASM_TABLE_INDEX_SLEB:
503  case wasm::R_WASM_TABLE_INDEX_I32:
504  case wasm::R_WASM_MEMORY_ADDR_LEB:
505  case wasm::R_WASM_MEMORY_ADDR_SLEB:
506  case wasm::R_WASM_MEMORY_ADDR_I32:
507  case wasm::R_WASM_TYPE_INDEX_LEB:
508  case wasm::R_WASM_GLOBAL_INDEX_LEB:
509  case wasm::R_WASM_FUNCTION_OFFSET_I32:
510  case wasm::R_WASM_SECTION_OFFSET_I32:
511  case wasm::R_WASM_EVENT_INDEX_LEB:
512  // For wasm section, its offset at 0 -- ignoring Value
513  return A;
514  default:
515  llvm_unreachable("Invalid relocation type");
516  }
517 }
518 
519 std::pair<bool (*)(uint64_t), RelocationResolver>
520 getRelocationResolver(const ObjectFile &Obj) {
521  if (Obj.isCOFF()) {
522  switch (Obj.getArch()) {
523  case Triple::x86_64:
524  return {supportsCOFFX86_64, resolveCOFFX86_64};
525  case Triple::x86:
526  return {supportsCOFFX86, resolveCOFFX86};
527  case Triple::arm:
528  case Triple::thumb:
529  return {supportsCOFFARM, resolveCOFFARM};
530  case Triple::aarch64:
531  return {supportsCOFFARM64, resolveCOFFARM64};
532  default:
533  return {nullptr, nullptr};
534  }
535  } else if (Obj.isELF()) {
536  if (Obj.getBytesInAddress() == 8) {
537  switch (Obj.getArch()) {
538  case Triple::x86_64:
539  return {supportsX86_64, resolveX86_64};
540  case Triple::aarch64:
541  case Triple::aarch64_be:
542  return {supportsAArch64, resolveAArch64};
543  case Triple::bpfel:
544  case Triple::bpfeb:
545  return {supportsBPF, resolveBPF};
546  case Triple::mips64el:
547  case Triple::mips64:
548  return {supportsMips64, resolveMips64};
549  case Triple::ppc64le:
550  case Triple::ppc64:
551  return {supportsPPC64, resolvePPC64};
552  case Triple::systemz:
553  return {supportsSystemZ, resolveSystemZ};
554  case Triple::sparcv9:
555  return {supportsSparc64, resolveSparc64};
556  case Triple::amdgcn:
557  return {supportsAmdgpu, resolveAmdgpu};
558  case Triple::riscv64:
559  return {supportsRISCV, resolveRISCV};
560  default:
561  return {nullptr, nullptr};
562  }
563  }
564 
565  // 32-bit object file
566  assert(Obj.getBytesInAddress() == 4 &&
567  "Invalid word size in object file");
568 
569  switch (Obj.getArch()) {
570  case Triple::x86:
571  return {supportsX86, resolveX86};
572  case Triple::ppc:
573  return {supportsPPC32, resolvePPC32};
574  case Triple::arm:
575  case Triple::armeb:
576  return {supportsARM, resolveARM};
577  case Triple::avr:
578  return {supportsAVR, resolveAVR};
579  case Triple::lanai:
580  return {supportsLanai, resolveLanai};
581  case Triple::mipsel:
582  case Triple::mips:
583  return {supportsMips32, resolveMips32};
584  case Triple::sparc:
585  return {supportsSparc32, resolveSparc32};
586  case Triple::hexagon:
587  return {supportsHexagon, resolveHexagon};
588  case Triple::riscv32:
589  return {supportsRISCV, resolveRISCV};
590  default:
591  return {nullptr, nullptr};
592  }
593  } else if (Obj.isMachO()) {
594  if (Obj.getArch() == Triple::x86_64)
595  return {supportsMachOX86_64, resolveMachOX86_64};
596  return {nullptr, nullptr};
597  } else if (Obj.isWasm()) {
598  if (Obj.getArch() == Triple::wasm32)
599  return {supportsWasm32, resolveWasm32};
600  return {nullptr, nullptr};
601  }
602 
603  llvm_unreachable("Invalid object file");
604 }
605 
606 } // namespace object
607 } // namespace llvm
llvm::object::supportsSystemZ
static bool supportsSystemZ(uint64_t Type)
Definition: RelocationResolver.cpp:146
llvm::object::resolveLanai
static uint64_t resolveLanai(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:280
llvm::object::supportsMips32
static bool supportsMips32(uint64_t Type)
Definition: RelocationResolver.cpp:286
llvm::object::resolveMips64
static uint64_t resolveMips64(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:112
llvm::object::supportsLanai
static bool supportsLanai(uint64_t Type)
Definition: RelocationResolver.cpp:276
llvm::object::resolvePPC32
static uint64_t resolvePPC32(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:239
llvm::report_fatal_error
LLVM_ATTRIBUTE_NORETURN void report_fatal_error(Error Err, bool gen_crash_diag=true)
Report a serious error, calling any installed error handler.
Definition: Error.cpp:139
llvm
This class represents lattice values for constants.
Definition: AllocatorList.h:23
llvm::object::supportsBPF
static bool supportsBPF(uint64_t Type)
Definition: RelocationResolver.cpp:80
llvm::object::supportsSparc32
static bool supportsSparc32(uint64_t Type)
Definition: RelocationResolver.cpp:306
llvm::object::RelocationRef::getOffset
uint64_t getOffset() const
Definition: ObjectFile.h:530
llvm::object::getRelocationResolver
std::pair< bool(*)(uint64_t), RelocationResolver > getRelocationResolver(const ObjectFile &Obj)
Definition: RelocationResolver.h:37
llvm::object::supportsPPC32
static bool supportsPPC32(uint64_t Type)
Definition: RelocationResolver.cpp:235
llvm::object::resolveCOFFARM64
static uint64_t resolveCOFFARM64(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:459
llvm::object::supportsPPC64
static bool supportsPPC64(uint64_t Type)
Definition: RelocationResolver.cpp:125
llvm::object::ObjectFile
This class is the base class for all object file types.
Definition: ObjectFile.h:221
llvm::object::supportsWasm32
static bool supportsWasm32(uint64_t Type)
Definition: RelocationResolver.cpp:480
llvm::Expected::takeError
Error takeError()
Take ownership of the stored error.
Definition: Error.h:552
llvm::ErrorInfoBase
Base class for error info classes.
Definition: Error.h:48
RA
SI optimize exec mask operations pre RA
Definition: SIOptimizeExecMaskingPreRA.cpp:74
llvm::object::Binary::isCOFF
bool isCOFF() const
Definition: Binary.h:126
llvm::object::resolveSparc64
static uint64_t resolveSparc64(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:179
llvm::object::RelocationRef
This is a value type class that represents a single relocation in the list of relocations in the obje...
Definition: ObjectFile.h:52
llvm::Expected
Tagged union holding either a T or a Error.
Definition: yaml2obj.h:21
llvm::object::resolveHexagon
static uint64_t resolveHexagon(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:327
llvm::object::supportsARM
static bool supportsARM(uint64_t Type)
Definition: RelocationResolver.cpp:245
llvm::object::supportsX86
static bool supportsX86(uint64_t Type)
Definition: RelocationResolver.cpp:211
llvm::object::supportsMips64
static bool supportsMips64(uint64_t Type)
Definition: RelocationResolver.cpp:101
llvm::object::resolveSparc32
static uint64_t resolveSparc32(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:316
llvm::object::supportsAVR
static bool supportsAVR(uint64_t Type)
Definition: RelocationResolver.cpp:255
llvm::object::ObjectFile::getBytesInAddress
virtual uint8_t getBytesInAddress() const =0
The number of bytes used to represent an address in this object file format.
llvm::Type
The instances of the Type class are immutable: once they are created, they are never changed...
Definition: Type.h:45
llvm::object::resolveCOFFX86
static uint64_t resolveCOFFX86(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:398
llvm::object::resolveCOFFARM
static uint64_t resolveCOFFARM(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:439
llvm::object::ELFRelocationRef::getAddend
Expected< int64_t > getAddend() const
Definition: ELFObjectFile.h:198
llvm::object::resolveX86_64
static uint64_t resolveX86_64(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:41
llvm::object::supportsX86_64
static bool supportsX86_64(uint64_t Type)
Definition: RelocationResolver.cpp:26
llvm::object::Binary::isELF
bool isELF() const
Definition: Binary.h:118
llvm::object::RelocationRef::getType
uint64_t getType() const
Definition: ObjectFile.h:538
llvm_unreachable
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
Definition: ErrorHandling.h:135
llvm::object::resolveAVR
static uint64_t resolveAVR(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:265
llvm::object::supportsSparc64
static bool supportsSparc64(uint64_t Type)
Definition: RelocationResolver.cpp:167
uint32_t
llvm::handleAllErrors
void handleAllErrors(Error E, HandlerTs &&... Handlers)
Behaves the same as handleErrors, except that by contract all errors must be handled by the given han...
Definition: Error.h:904
llvm::object::resolveRISCV
static uint64_t resolveRISCV(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:354
llvm::object::resolveARM
static uint64_t resolveARM(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:249
llvm::object::ObjectFile::getArch
virtual Triple::ArchType getArch() const =0
llvm::object::resolveAArch64
static uint64_t resolveAArch64(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:69
llvm::object::supportsCOFFARM64
static bool supportsCOFFARM64(uint64_t Type)
Definition: RelocationResolver.cpp:449
llvm::object::resolveMips32
static uint64_t resolveMips32(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:296
llvm::object::supportsAmdgpu
static bool supportsAmdgpu(uint64_t Type)
Definition: RelocationResolver.cpp:191
llvm::object::resolveBPF
static uint64_t resolveBPF(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:90
llvm::object::resolveAmdgpu
static uint64_t resolveAmdgpu(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:201
llvm::object::supportsHexagon
static bool supportsHexagon(uint64_t Type)
Definition: RelocationResolver.cpp:323
llvm::object::supportsMachOX86_64
static bool supportsMachOX86_64(uint64_t Type)
Definition: RelocationResolver.cpp:470
llvm::object::resolveX86
static uint64_t resolveX86(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:222
llvm::object::resolvePPC64
static uint64_t resolvePPC64(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:135
llvm::object::resolveSystemZ
static uint64_t resolveSystemZ(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:156
llvm::object::supportsCOFFX86_64
static bool supportsCOFFX86_64(uint64_t Type)
Definition: RelocationResolver.cpp:408
llvm::object::supportsCOFFX86
static bool supportsCOFFX86(uint64_t Type)
Definition: RelocationResolver.cpp:388
llvm::object::supportsCOFFARM
static bool supportsCOFFARM(uint64_t Type)
Definition: RelocationResolver.cpp:429
assert
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
llvm::object::supportsRISCV
static bool supportsRISCV(uint64_t Type)
Definition: RelocationResolver.cpp:333
llvm::object::resolveCOFFX86_64
static uint64_t resolveCOFFX86_64(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:418
llvm::object::Binary::isMachO
bool isMachO() const
Definition: Binary.h:122
llvm::object::resolveMachOX86_64
static uint64_t resolveMachOX86_64(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:474
llvm::object::getELFAddend
static int64_t getELFAddend(RelocationRef R)
Definition: RelocationResolver.cpp:18
llvm::object::Binary::isWasm
bool isWasm() const
Definition: Binary.h:132
llvm::object::resolveWasm32
static uint64_t resolveWasm32(RelocationRef R, uint64_t S, uint64_t A)
Definition: RelocationResolver.cpp:499
llvm::object::supportsAArch64
static bool supportsAArch64(uint64_t Type)
Definition: RelocationResolver.cpp:59
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