1 //===- ELFDumper.cpp - ELF-specific dumper --------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// This file implements the ELF-specific dumper for llvm-readobj.
13 //===----------------------------------------------------------------------===//
15 #include "ARMEHABIPrinter.h"
16 #include "DwarfCFIEHPrinter.h"
18 #include "ObjDumper.h"
19 #include "StackMapPrinter.h"
20 #include "llvm-readobj.h"
21 #include "llvm/ADT/ArrayRef.h"
22 #include "llvm/ADT/DenseMap.h"
23 #include "llvm/ADT/Optional.h"
24 #include "llvm/ADT/PointerIntPair.h"
25 #include "llvm/ADT/STLExtras.h"
26 #include "llvm/ADT/SmallString.h"
27 #include "llvm/ADT/SmallVector.h"
28 #include "llvm/ADT/StringExtras.h"
29 #include "llvm/ADT/StringRef.h"
30 #include "llvm/ADT/Twine.h"
31 #include "llvm/BinaryFormat/AMDGPUMetadataVerifier.h"
32 #include "llvm/BinaryFormat/ELF.h"
33 #include "llvm/Object/ELF.h"
34 #include "llvm/Object/ELFObjectFile.h"
35 #include "llvm/Object/ELFTypes.h"
36 #include "llvm/Object/Error.h"
37 #include "llvm/Object/ObjectFile.h"
38 #include "llvm/Object/StackMapParser.h"
39 #include "llvm/Support/AMDGPUMetadata.h"
40 #include "llvm/Support/ARMAttributeParser.h"
41 #include "llvm/Support/ARMBuildAttributes.h"
42 #include "llvm/Support/Casting.h"
43 #include "llvm/Support/Compiler.h"
44 #include "llvm/Support/Endian.h"
45 #include "llvm/Support/ErrorHandling.h"
46 #include "llvm/Support/Format.h"
47 #include "llvm/Support/FormatVariadic.h"
48 #include "llvm/Support/FormattedStream.h"
49 #include "llvm/Support/LEB128.h"
50 #include "llvm/Support/MathExtras.h"
51 #include "llvm/Support/MipsABIFlags.h"
52 #include "llvm/Support/ScopedPrinter.h"
53 #include "llvm/Support/raw_ostream.h"
62 #include <system_error>
66 using namespace llvm::object;
69 #define LLVM_READOBJ_ENUM_CASE(ns, enum) \
70 case ns::enum: return #enum;
72 #define ENUM_ENT(enum, altName) \
73 { #enum, altName, ELF::enum }
75 #define ENUM_ENT_1(enum) \
76 { #enum, #enum, ELF::enum }
78 #define LLVM_READOBJ_PHDR_ENUM(ns, enum) \
80 return std::string(#enum).substr(3);
82 #define TYPEDEF_ELF_TYPES(ELFT) \
83 using ELFO = ELFFile<ELFT>; \
84 using Elf_Addr = typename ELFT::Addr; \
85 using Elf_Shdr = typename ELFT::Shdr; \
86 using Elf_Sym = typename ELFT::Sym; \
87 using Elf_Dyn = typename ELFT::Dyn; \
88 using Elf_Dyn_Range = typename ELFT::DynRange; \
89 using Elf_Rel = typename ELFT::Rel; \
90 using Elf_Rela = typename ELFT::Rela; \
91 using Elf_Relr = typename ELFT::Relr; \
92 using Elf_Rel_Range = typename ELFT::RelRange; \
93 using Elf_Rela_Range = typename ELFT::RelaRange; \
94 using Elf_Relr_Range = typename ELFT::RelrRange; \
95 using Elf_Phdr = typename ELFT::Phdr; \
96 using Elf_Half = typename ELFT::Half; \
97 using Elf_Ehdr = typename ELFT::Ehdr; \
98 using Elf_Word = typename ELFT::Word; \
99 using Elf_Hash = typename ELFT::Hash; \
100 using Elf_GnuHash = typename ELFT::GnuHash; \
101 using Elf_Note = typename ELFT::Note; \
102 using Elf_Sym_Range = typename ELFT::SymRange; \
103 using Elf_Versym = typename ELFT::Versym; \
104 using Elf_Verneed = typename ELFT::Verneed; \
105 using Elf_Vernaux = typename ELFT::Vernaux; \
106 using Elf_Verdef = typename ELFT::Verdef; \
107 using Elf_Verdaux = typename ELFT::Verdaux; \
108 using Elf_CGProfile = typename ELFT::CGProfile; \
109 using uintX_t = typename ELFT::uint;
113 template <class ELFT> class DumpStyle;
115 /// Represents a contiguous uniform range in the file. We cannot just create a
116 /// range directly because when creating one of these from the .dynamic table
117 /// the size, entity size and virtual address are different entries in arbitrary
118 /// order (DT_REL, DT_RELSZ, DT_RELENT for example).
119 struct DynRegionInfo {
120 DynRegionInfo() = default;
121 DynRegionInfo(const void *A, uint64_t S, uint64_t ES)
122 : Addr(A), Size(S), EntSize(ES) {}
124 /// Address in current address space.
125 const void *Addr = nullptr;
126 /// Size in bytes of the region.
128 /// Size of each entity in the region.
129 uint64_t EntSize = 0;
131 template <typename Type> ArrayRef<Type> getAsArrayRef() const {
132 const Type *Start = reinterpret_cast<const Type *>(Addr);
134 return {Start, Start};
135 if (EntSize != sizeof(Type) || Size % EntSize)
136 reportError("Invalid entity size");
137 return {Start, Start + (Size / EntSize)};
141 template<typename ELFT>
142 class ELFDumper : public ObjDumper {
144 ELFDumper(const ELFFile<ELFT> *Obj, ScopedPrinter &Writer);
146 void printFileHeaders() override;
147 void printSectionHeaders() override;
148 void printRelocations() override;
149 void printDynamicRelocations() override;
150 void printSymbols() override;
151 void printDynamicSymbols() override;
152 void printUnwindInfo() override;
154 void printDynamicTable() override;
155 void printNeededLibraries() override;
156 void printProgramHeaders() override;
157 void printHashTable() override;
158 void printGnuHashTable() override;
159 void printLoadName() override;
160 void printVersionInfo() override;
161 void printGroupSections() override;
163 void printAttributes() override;
164 void printMipsPLTGOT() override;
165 void printMipsABIFlags() override;
166 void printMipsReginfo() override;
167 void printMipsOptions() override;
169 void printStackMap() const override;
171 void printHashHistogram() override;
173 void printCGProfile() override;
174 void printAddrsig() override;
176 void printNotes() override;
178 void printELFLinkerOptions() override;
181 std::unique_ptr<DumpStyle<ELFT>> ELFDumperStyle;
183 TYPEDEF_ELF_TYPES(ELFT)
185 DynRegionInfo checkDRI(DynRegionInfo DRI) {
186 if (DRI.Addr < Obj->base() ||
187 (const uint8_t *)DRI.Addr + DRI.Size > Obj->base() + Obj->getBufSize())
188 error(llvm::object::object_error::parse_failed);
192 DynRegionInfo createDRIFrom(const Elf_Phdr *P, uintX_t EntSize) {
193 return checkDRI({Obj->base() + P->p_offset, P->p_filesz, EntSize});
196 DynRegionInfo createDRIFrom(const Elf_Shdr *S) {
197 return checkDRI({Obj->base() + S->sh_offset, S->sh_size, S->sh_entsize});
200 void parseDynamicTable(ArrayRef<const Elf_Phdr *> LoadSegments);
202 void printValue(uint64_t Type, uint64_t Value);
204 StringRef getDynamicString(uint64_t Offset) const;
205 StringRef getSymbolVersion(StringRef StrTab, const Elf_Sym *symb,
206 bool &IsDefault) const;
207 void LoadVersionMap() const;
208 void LoadVersionNeeds(const Elf_Shdr *ec) const;
209 void LoadVersionDefs(const Elf_Shdr *sec) const;
212 DynRegionInfo DynRelRegion;
213 DynRegionInfo DynRelaRegion;
214 DynRegionInfo DynRelrRegion;
215 DynRegionInfo DynPLTRelRegion;
216 DynRegionInfo DynSymRegion;
217 DynRegionInfo DynamicTable;
218 StringRef DynamicStringTable;
220 const Elf_Hash *HashTable = nullptr;
221 const Elf_GnuHash *GnuHashTable = nullptr;
222 const Elf_Shdr *DotSymtabSec = nullptr;
223 const Elf_Shdr *DotCGProfileSec = nullptr;
224 const Elf_Shdr *DotAddrsigSec = nullptr;
225 StringRef DynSymtabName;
226 ArrayRef<Elf_Word> ShndxTable;
228 const Elf_Shdr *dot_gnu_version_sec = nullptr; // .gnu.version
229 const Elf_Shdr *dot_gnu_version_r_sec = nullptr; // .gnu.version_r
230 const Elf_Shdr *dot_gnu_version_d_sec = nullptr; // .gnu.version_d
232 // Records for each version index the corresponding Verdef or Vernaux entry.
233 // This is filled the first time LoadVersionMap() is called.
234 class VersionMapEntry : public PointerIntPair<const void *, 1> {
236 // If the integer is 0, this is an Elf_Verdef*.
237 // If the integer is 1, this is an Elf_Vernaux*.
238 VersionMapEntry() : PointerIntPair<const void *, 1>(nullptr, 0) {}
239 VersionMapEntry(const Elf_Verdef *verdef)
240 : PointerIntPair<const void *, 1>(verdef, 0) {}
241 VersionMapEntry(const Elf_Vernaux *vernaux)
242 : PointerIntPair<const void *, 1>(vernaux, 1) {}
244 bool isNull() const { return getPointer() == nullptr; }
245 bool isVerdef() const { return !isNull() && getInt() == 0; }
246 bool isVernaux() const { return !isNull() && getInt() == 1; }
247 const Elf_Verdef *getVerdef() const {
248 return isVerdef() ? (const Elf_Verdef *)getPointer() : nullptr;
250 const Elf_Vernaux *getVernaux() const {
251 return isVernaux() ? (const Elf_Vernaux *)getPointer() : nullptr;
254 mutable SmallVector<VersionMapEntry, 16> VersionMap;
257 Elf_Dyn_Range dynamic_table() const {
258 return DynamicTable.getAsArrayRef<Elf_Dyn>();
261 Elf_Sym_Range dynamic_symbols() const {
262 return DynSymRegion.getAsArrayRef<Elf_Sym>();
265 Elf_Rel_Range dyn_rels() const;
266 Elf_Rela_Range dyn_relas() const;
267 Elf_Relr_Range dyn_relrs() const;
268 std::string getFullSymbolName(const Elf_Sym *Symbol, StringRef StrTable,
269 bool IsDynamic) const;
270 void getSectionNameIndex(const Elf_Sym *Symbol, const Elf_Sym *FirstSym,
271 StringRef &SectionName,
272 unsigned &SectionIndex) const;
273 StringRef getStaticSymbolName(uint32_t Index) const;
275 void printSymbolsHelper(bool IsDynamic) const;
276 const Elf_Shdr *getDotSymtabSec() const { return DotSymtabSec; }
277 const Elf_Shdr *getDotCGProfileSec() const { return DotCGProfileSec; }
278 const Elf_Shdr *getDotAddrsigSec() const { return DotAddrsigSec; }
279 ArrayRef<Elf_Word> getShndxTable() const { return ShndxTable; }
280 StringRef getDynamicStringTable() const { return DynamicStringTable; }
281 const DynRegionInfo &getDynRelRegion() const { return DynRelRegion; }
282 const DynRegionInfo &getDynRelaRegion() const { return DynRelaRegion; }
283 const DynRegionInfo &getDynRelrRegion() const { return DynRelrRegion; }
284 const DynRegionInfo &getDynPLTRelRegion() const { return DynPLTRelRegion; }
285 const Elf_Hash *getHashTable() const { return HashTable; }
286 const Elf_GnuHash *getGnuHashTable() const { return GnuHashTable; }
289 template <class ELFT>
290 void ELFDumper<ELFT>::printSymbolsHelper(bool IsDynamic) const {
291 StringRef StrTable, SymtabName;
293 Elf_Sym_Range Syms(nullptr, nullptr);
295 StrTable = DynamicStringTable;
296 Syms = dynamic_symbols();
297 SymtabName = DynSymtabName;
298 if (DynSymRegion.Addr)
299 Entries = DynSymRegion.Size / DynSymRegion.EntSize;
303 StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec));
304 Syms = unwrapOrError(Obj->symbols(DotSymtabSec));
305 SymtabName = unwrapOrError(Obj->getSectionName(DotSymtabSec));
306 Entries = DotSymtabSec->getEntityCount();
308 if (Syms.begin() == Syms.end())
310 ELFDumperStyle->printSymtabMessage(Obj, SymtabName, Entries);
311 for (const auto &Sym : Syms)
312 ELFDumperStyle->printSymbol(Obj, &Sym, Syms.begin(), StrTable, IsDynamic);
315 template <class ELFT> class MipsGOTParser;
317 template <typename ELFT> class DumpStyle {
319 using Elf_Shdr = typename ELFT::Shdr;
320 using Elf_Sym = typename ELFT::Sym;
322 DumpStyle(ELFDumper<ELFT> *Dumper) : Dumper(Dumper) {}
323 virtual ~DumpStyle() = default;
325 virtual void printFileHeaders(const ELFFile<ELFT> *Obj) = 0;
326 virtual void printGroupSections(const ELFFile<ELFT> *Obj) = 0;
327 virtual void printRelocations(const ELFFile<ELFT> *Obj) = 0;
328 virtual void printSectionHeaders(const ELFFile<ELFT> *Obj) = 0;
329 virtual void printSymbols(const ELFFile<ELFT> *Obj) = 0;
330 virtual void printDynamicSymbols(const ELFFile<ELFT> *Obj) = 0;
331 virtual void printDynamicRelocations(const ELFFile<ELFT> *Obj) = 0;
332 virtual void printSymtabMessage(const ELFFile<ELFT> *obj, StringRef Name,
334 virtual void printSymbol(const ELFFile<ELFT> *Obj, const Elf_Sym *Symbol,
335 const Elf_Sym *FirstSym, StringRef StrTable,
337 virtual void printProgramHeaders(const ELFFile<ELFT> *Obj) = 0;
338 virtual void printHashHistogram(const ELFFile<ELFT> *Obj) = 0;
339 virtual void printCGProfile(const ELFFile<ELFT> *Obj) = 0;
340 virtual void printAddrsig(const ELFFile<ELFT> *Obj) = 0;
341 virtual void printNotes(const ELFFile<ELFT> *Obj) = 0;
342 virtual void printELFLinkerOptions(const ELFFile<ELFT> *Obj) = 0;
343 virtual void printMipsGOT(const MipsGOTParser<ELFT> &Parser) = 0;
344 virtual void printMipsPLT(const MipsGOTParser<ELFT> &Parser) = 0;
345 const ELFDumper<ELFT> *dumper() const { return Dumper; }
348 const ELFDumper<ELFT> *Dumper;
351 template <typename ELFT> class GNUStyle : public DumpStyle<ELFT> {
352 formatted_raw_ostream OS;
355 TYPEDEF_ELF_TYPES(ELFT)
357 GNUStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper)
358 : DumpStyle<ELFT>(Dumper), OS(W.getOStream()) {}
360 void printFileHeaders(const ELFO *Obj) override;
361 void printGroupSections(const ELFFile<ELFT> *Obj) override;
362 void printRelocations(const ELFO *Obj) override;
363 void printSectionHeaders(const ELFO *Obj) override;
364 void printSymbols(const ELFO *Obj) override;
365 void printDynamicSymbols(const ELFO *Obj) override;
366 void printDynamicRelocations(const ELFO *Obj) override;
367 void printSymtabMessage(const ELFO *Obj, StringRef Name,
368 size_t Offset) override;
369 void printProgramHeaders(const ELFO *Obj) override;
370 void printHashHistogram(const ELFFile<ELFT> *Obj) override;
371 void printCGProfile(const ELFFile<ELFT> *Obj) override;
372 void printAddrsig(const ELFFile<ELFT> *Obj) override;
373 void printNotes(const ELFFile<ELFT> *Obj) override;
374 void printELFLinkerOptions(const ELFFile<ELFT> *Obj) override;
375 void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override;
376 void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override;
383 Field(StringRef S, unsigned Col) : Str(S), Column(Col) {}
384 Field(unsigned Col) : Str(""), Column(Col) {}
387 template <typename T, typename TEnum>
388 std::string printEnum(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues) {
389 for (const auto &EnumItem : EnumValues)
390 if (EnumItem.Value == Value)
391 return EnumItem.AltName;
392 return to_hexString(Value, false);
395 template <typename T, typename TEnum>
396 std::string printFlags(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues,
397 TEnum EnumMask1 = {}, TEnum EnumMask2 = {},
398 TEnum EnumMask3 = {}) {
400 for (const auto &Flag : EnumValues) {
405 if (Flag.Value & EnumMask1)
406 EnumMask = EnumMask1;
407 else if (Flag.Value & EnumMask2)
408 EnumMask = EnumMask2;
409 else if (Flag.Value & EnumMask3)
410 EnumMask = EnumMask3;
411 bool IsEnum = (Flag.Value & EnumMask) != 0;
412 if ((!IsEnum && (Value & Flag.Value) == Flag.Value) ||
413 (IsEnum && (Value & EnumMask) == Flag.Value)) {
422 formatted_raw_ostream &printField(struct Field F) {
424 OS.PadToColumn(F.Column);
429 void printHashedSymbol(const ELFO *Obj, const Elf_Sym *FirstSym, uint32_t Sym,
430 StringRef StrTable, uint32_t Bucket);
431 void printRelocHeader(unsigned SType);
432 void printRelocation(const ELFO *Obj, const Elf_Shdr *SymTab,
433 const Elf_Rela &R, bool IsRela);
434 void printSymbol(const ELFO *Obj, const Elf_Sym *Symbol, const Elf_Sym *First,
435 StringRef StrTable, bool IsDynamic) override;
436 std::string getSymbolSectionNdx(const ELFO *Obj, const Elf_Sym *Symbol,
437 const Elf_Sym *FirstSym);
438 void printDynamicRelocation(const ELFO *Obj, Elf_Rela R, bool IsRela);
439 bool checkTLSSections(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
440 bool checkoffsets(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
441 bool checkVMA(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
442 bool checkPTDynamic(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
445 template <typename ELFT> class LLVMStyle : public DumpStyle<ELFT> {
447 TYPEDEF_ELF_TYPES(ELFT)
449 LLVMStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper)
450 : DumpStyle<ELFT>(Dumper), W(W) {}
452 void printFileHeaders(const ELFO *Obj) override;
453 void printGroupSections(const ELFFile<ELFT> *Obj) override;
454 void printRelocations(const ELFO *Obj) override;
455 void printRelocations(const Elf_Shdr *Sec, const ELFO *Obj);
456 void printSectionHeaders(const ELFO *Obj) override;
457 void printSymbols(const ELFO *Obj) override;
458 void printDynamicSymbols(const ELFO *Obj) override;
459 void printDynamicRelocations(const ELFO *Obj) override;
460 void printProgramHeaders(const ELFO *Obj) override;
461 void printHashHistogram(const ELFFile<ELFT> *Obj) override;
462 void printCGProfile(const ELFFile<ELFT> *Obj) override;
463 void printAddrsig(const ELFFile<ELFT> *Obj) override;
464 void printNotes(const ELFFile<ELFT> *Obj) override;
465 void printELFLinkerOptions(const ELFFile<ELFT> *Obj) override;
466 void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override;
467 void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override;
470 void printRelocation(const ELFO *Obj, Elf_Rela Rel, const Elf_Shdr *SymTab);
471 void printDynamicRelocation(const ELFO *Obj, Elf_Rela Rel);
472 void printSymbol(const ELFO *Obj, const Elf_Sym *Symbol, const Elf_Sym *First,
473 StringRef StrTable, bool IsDynamic) override;
478 } // end anonymous namespace
482 template <class ELFT>
483 static std::error_code createELFDumper(const ELFFile<ELFT> *Obj,
484 ScopedPrinter &Writer,
485 std::unique_ptr<ObjDumper> &Result) {
486 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
487 return readobj_error::success;
490 std::error_code createELFDumper(const object::ObjectFile *Obj,
491 ScopedPrinter &Writer,
492 std::unique_ptr<ObjDumper> &Result) {
493 // Little-endian 32-bit
494 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
495 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
498 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
499 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
501 // Little-endian 64-bit
502 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
503 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
506 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
507 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
509 return readobj_error::unsupported_obj_file_format;
512 } // end namespace llvm
514 // Iterate through the versions needed section, and place each Elf_Vernaux
515 // in the VersionMap according to its index.
516 template <class ELFT>
517 void ELFDumper<ELFT>::LoadVersionNeeds(const Elf_Shdr *sec) const {
518 unsigned vn_size = sec->sh_size; // Size of section in bytes
519 unsigned vn_count = sec->sh_info; // Number of Verneed entries
520 const char *sec_start = (const char *)Obj->base() + sec->sh_offset;
521 const char *sec_end = sec_start + vn_size;
522 // The first Verneed entry is at the start of the section.
523 const char *p = sec_start;
524 for (unsigned i = 0; i < vn_count; i++) {
525 if (p + sizeof(Elf_Verneed) > sec_end)
526 report_fatal_error("Section ended unexpectedly while scanning "
527 "version needed records.");
528 const Elf_Verneed *vn = reinterpret_cast<const Elf_Verneed *>(p);
529 if (vn->vn_version != ELF::VER_NEED_CURRENT)
530 report_fatal_error("Unexpected verneed version");
531 // Iterate through the Vernaux entries
532 const char *paux = p + vn->vn_aux;
533 for (unsigned j = 0; j < vn->vn_cnt; j++) {
534 if (paux + sizeof(Elf_Vernaux) > sec_end)
535 report_fatal_error("Section ended unexpected while scanning auxiliary "
536 "version needed records.");
537 const Elf_Vernaux *vna = reinterpret_cast<const Elf_Vernaux *>(paux);
538 size_t index = vna->vna_other & ELF::VERSYM_VERSION;
539 if (index >= VersionMap.size())
540 VersionMap.resize(index + 1);
541 VersionMap[index] = VersionMapEntry(vna);
542 paux += vna->vna_next;
548 // Iterate through the version definitions, and place each Elf_Verdef
549 // in the VersionMap according to its index.
550 template <class ELFT>
551 void ELFDumper<ELFT>::LoadVersionDefs(const Elf_Shdr *sec) const {
552 unsigned vd_size = sec->sh_size; // Size of section in bytes
553 unsigned vd_count = sec->sh_info; // Number of Verdef entries
554 const char *sec_start = (const char *)Obj->base() + sec->sh_offset;
555 const char *sec_end = sec_start + vd_size;
556 // The first Verdef entry is at the start of the section.
557 const char *p = sec_start;
558 for (unsigned i = 0; i < vd_count; i++) {
559 if (p + sizeof(Elf_Verdef) > sec_end)
560 report_fatal_error("Section ended unexpectedly while scanning "
561 "version definitions.");
562 const Elf_Verdef *vd = reinterpret_cast<const Elf_Verdef *>(p);
563 if (vd->vd_version != ELF::VER_DEF_CURRENT)
564 report_fatal_error("Unexpected verdef version");
565 size_t index = vd->vd_ndx & ELF::VERSYM_VERSION;
566 if (index >= VersionMap.size())
567 VersionMap.resize(index + 1);
568 VersionMap[index] = VersionMapEntry(vd);
573 template <class ELFT> void ELFDumper<ELFT>::LoadVersionMap() const {
574 // If there is no dynamic symtab or version table, there is nothing to do.
575 if (!DynSymRegion.Addr || !dot_gnu_version_sec)
578 // Has the VersionMap already been loaded?
579 if (VersionMap.size() > 0)
582 // The first two version indexes are reserved.
583 // Index 0 is LOCAL, index 1 is GLOBAL.
584 VersionMap.push_back(VersionMapEntry());
585 VersionMap.push_back(VersionMapEntry());
587 if (dot_gnu_version_d_sec)
588 LoadVersionDefs(dot_gnu_version_d_sec);
590 if (dot_gnu_version_r_sec)
591 LoadVersionNeeds(dot_gnu_version_r_sec);
594 template <typename ELFO, class ELFT>
595 static void printVersionSymbolSection(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
596 const typename ELFO::Elf_Shdr *Sec,
598 DictScope SS(W, "Version symbols");
601 StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
602 W.printNumber("Section Name", Name, Sec->sh_name);
603 W.printHex("Address", Sec->sh_addr);
604 W.printHex("Offset", Sec->sh_offset);
605 W.printNumber("Link", Sec->sh_link);
607 const uint8_t *P = (const uint8_t *)Obj->base() + Sec->sh_offset;
608 StringRef StrTable = Dumper->getDynamicStringTable();
610 // Same number of entries in the dynamic symbol table (DT_SYMTAB).
611 ListScope Syms(W, "Symbols");
612 for (const typename ELFO::Elf_Sym &Sym : Dumper->dynamic_symbols()) {
613 DictScope S(W, "Symbol");
614 std::string FullSymbolName =
615 Dumper->getFullSymbolName(&Sym, StrTable, true /* IsDynamic */);
616 W.printNumber("Version", *P);
617 W.printString("Name", FullSymbolName);
618 P += sizeof(typename ELFO::Elf_Half);
622 static const EnumEntry<unsigned> SymVersionFlags[] = {
623 {"Base", "BASE", VER_FLG_BASE},
624 {"Weak", "WEAK", VER_FLG_WEAK},
625 {"Info", "INFO", VER_FLG_INFO}};
627 template <typename ELFO, class ELFT>
628 static void printVersionDefinitionSection(ELFDumper<ELFT> *Dumper,
630 const typename ELFO::Elf_Shdr *Sec,
632 using VerDef = typename ELFO::Elf_Verdef;
633 using VerdAux = typename ELFO::Elf_Verdaux;
635 DictScope SD(W, "SHT_GNU_verdef");
639 // The number of entries in the section SHT_GNU_verdef
640 // is determined by DT_VERDEFNUM tag.
641 unsigned VerDefsNum = 0;
642 for (const typename ELFO::Elf_Dyn &Dyn : Dumper->dynamic_table()) {
643 if (Dyn.d_tag == DT_VERDEFNUM) {
644 VerDefsNum = Dyn.d_un.d_val;
649 const uint8_t *SecStartAddress =
650 (const uint8_t *)Obj->base() + Sec->sh_offset;
651 const uint8_t *SecEndAddress = SecStartAddress + Sec->sh_size;
652 const uint8_t *P = SecStartAddress;
653 const typename ELFO::Elf_Shdr *StrTab =
654 unwrapOrError(Obj->getSection(Sec->sh_link));
656 while (VerDefsNum--) {
657 if (P + sizeof(VerDef) > SecEndAddress)
658 report_fatal_error("invalid offset in the section");
660 auto *VD = reinterpret_cast<const VerDef *>(P);
661 DictScope Def(W, "Definition");
662 W.printNumber("Version", VD->vd_version);
663 W.printEnum("Flags", VD->vd_flags, makeArrayRef(SymVersionFlags));
664 W.printNumber("Index", VD->vd_ndx);
665 W.printNumber("Hash", VD->vd_hash);
666 W.printString("Name",
667 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
668 VD->getAux()->vda_name)));
670 report_fatal_error("at least one definition string must exist");
672 report_fatal_error("more than one predecessor is not expected");
674 if (VD->vd_cnt == 2) {
675 const uint8_t *PAux = P + VD->vd_aux + VD->getAux()->vda_next;
676 const VerdAux *Aux = reinterpret_cast<const VerdAux *>(PAux);
677 W.printString("Predecessor",
678 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
686 template <typename ELFO, class ELFT>
687 static void printVersionDependencySection(ELFDumper<ELFT> *Dumper,
689 const typename ELFO::Elf_Shdr *Sec,
691 using VerNeed = typename ELFO::Elf_Verneed;
692 using VernAux = typename ELFO::Elf_Vernaux;
694 DictScope SD(W, "SHT_GNU_verneed");
698 unsigned VerNeedNum = 0;
699 for (const typename ELFO::Elf_Dyn &Dyn : Dumper->dynamic_table()) {
700 if (Dyn.d_tag == DT_VERNEEDNUM) {
701 VerNeedNum = Dyn.d_un.d_val;
706 const uint8_t *SecData = (const uint8_t *)Obj->base() + Sec->sh_offset;
707 const typename ELFO::Elf_Shdr *StrTab =
708 unwrapOrError(Obj->getSection(Sec->sh_link));
710 const uint8_t *P = SecData;
711 for (unsigned I = 0; I < VerNeedNum; ++I) {
712 const VerNeed *Need = reinterpret_cast<const VerNeed *>(P);
713 DictScope Entry(W, "Dependency");
714 W.printNumber("Version", Need->vn_version);
715 W.printNumber("Count", Need->vn_cnt);
716 W.printString("FileName",
717 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
720 const uint8_t *PAux = P + Need->vn_aux;
721 for (unsigned J = 0; J < Need->vn_cnt; ++J) {
722 const VernAux *Aux = reinterpret_cast<const VernAux *>(PAux);
723 DictScope Entry(W, "Entry");
724 W.printNumber("Hash", Aux->vna_hash);
725 W.printEnum("Flags", Aux->vna_flags, makeArrayRef(SymVersionFlags));
726 W.printNumber("Index", Aux->vna_other);
727 W.printString("Name",
728 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
730 PAux += Aux->vna_next;
736 template <typename ELFT> void ELFDumper<ELFT>::printVersionInfo() {
737 // Dump version symbol section.
738 printVersionSymbolSection(this, Obj, dot_gnu_version_sec, W);
740 // Dump version definition section.
741 printVersionDefinitionSection(this, Obj, dot_gnu_version_d_sec, W);
743 // Dump version dependency section.
744 printVersionDependencySection(this, Obj, dot_gnu_version_r_sec, W);
747 template <typename ELFT>
748 StringRef ELFDumper<ELFT>::getSymbolVersion(StringRef StrTab,
750 bool &IsDefault) const {
751 // This is a dynamic symbol. Look in the GNU symbol version table.
752 if (!dot_gnu_version_sec) {
755 return StringRef("");
758 // Determine the position in the symbol table of this entry.
759 size_t entry_index = (reinterpret_cast<uintptr_t>(symb) -
760 reinterpret_cast<uintptr_t>(DynSymRegion.Addr)) /
763 // Get the corresponding version index entry
764 const Elf_Versym *vs = unwrapOrError(
765 Obj->template getEntry<Elf_Versym>(dot_gnu_version_sec, entry_index));
766 size_t version_index = vs->vs_index & ELF::VERSYM_VERSION;
768 // Special markers for unversioned symbols.
769 if (version_index == ELF::VER_NDX_LOCAL ||
770 version_index == ELF::VER_NDX_GLOBAL) {
772 return StringRef("");
775 // Lookup this symbol in the version table
777 if (version_index >= VersionMap.size() || VersionMap[version_index].isNull())
778 reportError("Invalid version entry");
779 const VersionMapEntry &entry = VersionMap[version_index];
781 // Get the version name string
783 if (entry.isVerdef()) {
784 // The first Verdaux entry holds the name.
785 name_offset = entry.getVerdef()->getAux()->vda_name;
786 IsDefault = !(vs->vs_index & ELF::VERSYM_HIDDEN);
788 name_offset = entry.getVernaux()->vna_name;
791 if (name_offset >= StrTab.size())
792 reportError("Invalid string offset");
793 return StringRef(StrTab.data() + name_offset);
796 template <typename ELFT>
797 StringRef ELFDumper<ELFT>::getStaticSymbolName(uint32_t Index) const {
798 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec));
799 Elf_Sym_Range Syms = unwrapOrError(Obj->symbols(DotSymtabSec));
800 if (Index >= Syms.size())
801 reportError("Invalid symbol index");
802 const Elf_Sym *Sym = &Syms[Index];
803 return unwrapOrError(Sym->getName(StrTable));
806 template <typename ELFT>
807 std::string ELFDumper<ELFT>::getFullSymbolName(const Elf_Sym *Symbol,
809 bool IsDynamic) const {
810 StringRef SymbolName = unwrapOrError(Symbol->getName(StrTable));
814 std::string FullSymbolName(SymbolName);
817 StringRef Version = getSymbolVersion(StrTable, &*Symbol, IsDefault);
818 FullSymbolName += (IsDefault ? "@@" : "@");
819 FullSymbolName += Version;
820 return FullSymbolName;
823 template <typename ELFT>
824 void ELFDumper<ELFT>::getSectionNameIndex(const Elf_Sym *Symbol,
825 const Elf_Sym *FirstSym,
826 StringRef &SectionName,
827 unsigned &SectionIndex) const {
828 SectionIndex = Symbol->st_shndx;
829 if (Symbol->isUndefined())
830 SectionName = "Undefined";
831 else if (Symbol->isProcessorSpecific())
832 SectionName = "Processor Specific";
833 else if (Symbol->isOSSpecific())
834 SectionName = "Operating System Specific";
835 else if (Symbol->isAbsolute())
836 SectionName = "Absolute";
837 else if (Symbol->isCommon())
838 SectionName = "Common";
839 else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
840 SectionName = "Reserved";
842 if (SectionIndex == SHN_XINDEX)
843 SectionIndex = unwrapOrError(object::getExtendedSymbolTableIndex<ELFT>(
844 Symbol, FirstSym, ShndxTable));
845 const typename ELFT::Shdr *Sec =
846 unwrapOrError(Obj->getSection(SectionIndex));
847 SectionName = unwrapOrError(Obj->getSectionName(Sec));
851 template <class ELFO>
852 static const typename ELFO::Elf_Shdr *
853 findNotEmptySectionByAddress(const ELFO *Obj, uint64_t Addr) {
854 for (const auto &Shdr : unwrapOrError(Obj->sections()))
855 if (Shdr.sh_addr == Addr && Shdr.sh_size > 0)
860 template <class ELFO>
861 static const typename ELFO::Elf_Shdr *findSectionByName(const ELFO &Obj,
863 for (const auto &Shdr : unwrapOrError(Obj.sections())) {
864 if (Name == unwrapOrError(Obj.getSectionName(&Shdr)))
870 static const EnumEntry<unsigned> ElfClass[] = {
871 {"None", "none", ELF::ELFCLASSNONE},
872 {"32-bit", "ELF32", ELF::ELFCLASS32},
873 {"64-bit", "ELF64", ELF::ELFCLASS64},
876 static const EnumEntry<unsigned> ElfDataEncoding[] = {
877 {"None", "none", ELF::ELFDATANONE},
878 {"LittleEndian", "2's complement, little endian", ELF::ELFDATA2LSB},
879 {"BigEndian", "2's complement, big endian", ELF::ELFDATA2MSB},
882 static const EnumEntry<unsigned> ElfObjectFileType[] = {
883 {"None", "NONE (none)", ELF::ET_NONE},
884 {"Relocatable", "REL (Relocatable file)", ELF::ET_REL},
885 {"Executable", "EXEC (Executable file)", ELF::ET_EXEC},
886 {"SharedObject", "DYN (Shared object file)", ELF::ET_DYN},
887 {"Core", "CORE (Core file)", ELF::ET_CORE},
890 static const EnumEntry<unsigned> ElfOSABI[] = {
891 {"SystemV", "UNIX - System V", ELF::ELFOSABI_NONE},
892 {"HPUX", "UNIX - HP-UX", ELF::ELFOSABI_HPUX},
893 {"NetBSD", "UNIX - NetBSD", ELF::ELFOSABI_NETBSD},
894 {"GNU/Linux", "UNIX - GNU", ELF::ELFOSABI_LINUX},
895 {"GNU/Hurd", "GNU/Hurd", ELF::ELFOSABI_HURD},
896 {"Solaris", "UNIX - Solaris", ELF::ELFOSABI_SOLARIS},
897 {"AIX", "UNIX - AIX", ELF::ELFOSABI_AIX},
898 {"IRIX", "UNIX - IRIX", ELF::ELFOSABI_IRIX},
899 {"FreeBSD", "UNIX - FreeBSD", ELF::ELFOSABI_FREEBSD},
900 {"TRU64", "UNIX - TRU64", ELF::ELFOSABI_TRU64},
901 {"Modesto", "Novell - Modesto", ELF::ELFOSABI_MODESTO},
902 {"OpenBSD", "UNIX - OpenBSD", ELF::ELFOSABI_OPENBSD},
903 {"OpenVMS", "VMS - OpenVMS", ELF::ELFOSABI_OPENVMS},
904 {"NSK", "HP - Non-Stop Kernel", ELF::ELFOSABI_NSK},
905 {"AROS", "AROS", ELF::ELFOSABI_AROS},
906 {"FenixOS", "FenixOS", ELF::ELFOSABI_FENIXOS},
907 {"CloudABI", "CloudABI", ELF::ELFOSABI_CLOUDABI},
908 {"Standalone", "Standalone App", ELF::ELFOSABI_STANDALONE}
911 static const EnumEntry<unsigned> AMDGPUElfOSABI[] = {
912 {"AMDGPU_HSA", "AMDGPU - HSA", ELF::ELFOSABI_AMDGPU_HSA},
913 {"AMDGPU_PAL", "AMDGPU - PAL", ELF::ELFOSABI_AMDGPU_PAL},
914 {"AMDGPU_MESA3D", "AMDGPU - MESA3D", ELF::ELFOSABI_AMDGPU_MESA3D}
917 static const EnumEntry<unsigned> ARMElfOSABI[] = {
918 {"ARM", "ARM", ELF::ELFOSABI_ARM}
921 static const EnumEntry<unsigned> C6000ElfOSABI[] = {
922 {"C6000_ELFABI", "Bare-metal C6000", ELF::ELFOSABI_C6000_ELFABI},
923 {"C6000_LINUX", "Linux C6000", ELF::ELFOSABI_C6000_LINUX}
926 static const EnumEntry<unsigned> ElfMachineType[] = {
927 ENUM_ENT(EM_NONE, "None"),
928 ENUM_ENT(EM_M32, "WE32100"),
929 ENUM_ENT(EM_SPARC, "Sparc"),
930 ENUM_ENT(EM_386, "Intel 80386"),
931 ENUM_ENT(EM_68K, "MC68000"),
932 ENUM_ENT(EM_88K, "MC88000"),
933 ENUM_ENT(EM_IAMCU, "EM_IAMCU"),
934 ENUM_ENT(EM_860, "Intel 80860"),
935 ENUM_ENT(EM_MIPS, "MIPS R3000"),
936 ENUM_ENT(EM_S370, "IBM System/370"),
937 ENUM_ENT(EM_MIPS_RS3_LE, "MIPS R3000 little-endian"),
938 ENUM_ENT(EM_PARISC, "HPPA"),
939 ENUM_ENT(EM_VPP500, "Fujitsu VPP500"),
940 ENUM_ENT(EM_SPARC32PLUS, "Sparc v8+"),
941 ENUM_ENT(EM_960, "Intel 80960"),
942 ENUM_ENT(EM_PPC, "PowerPC"),
943 ENUM_ENT(EM_PPC64, "PowerPC64"),
944 ENUM_ENT(EM_S390, "IBM S/390"),
945 ENUM_ENT(EM_SPU, "SPU"),
946 ENUM_ENT(EM_V800, "NEC V800 series"),
947 ENUM_ENT(EM_FR20, "Fujistsu FR20"),
948 ENUM_ENT(EM_RH32, "TRW RH-32"),
949 ENUM_ENT(EM_RCE, "Motorola RCE"),
950 ENUM_ENT(EM_ARM, "ARM"),
951 ENUM_ENT(EM_ALPHA, "EM_ALPHA"),
952 ENUM_ENT(EM_SH, "Hitachi SH"),
953 ENUM_ENT(EM_SPARCV9, "Sparc v9"),
954 ENUM_ENT(EM_TRICORE, "Siemens Tricore"),
955 ENUM_ENT(EM_ARC, "ARC"),
956 ENUM_ENT(EM_H8_300, "Hitachi H8/300"),
957 ENUM_ENT(EM_H8_300H, "Hitachi H8/300H"),
958 ENUM_ENT(EM_H8S, "Hitachi H8S"),
959 ENUM_ENT(EM_H8_500, "Hitachi H8/500"),
960 ENUM_ENT(EM_IA_64, "Intel IA-64"),
961 ENUM_ENT(EM_MIPS_X, "Stanford MIPS-X"),
962 ENUM_ENT(EM_COLDFIRE, "Motorola Coldfire"),
963 ENUM_ENT(EM_68HC12, "Motorola MC68HC12 Microcontroller"),
964 ENUM_ENT(EM_MMA, "Fujitsu Multimedia Accelerator"),
965 ENUM_ENT(EM_PCP, "Siemens PCP"),
966 ENUM_ENT(EM_NCPU, "Sony nCPU embedded RISC processor"),
967 ENUM_ENT(EM_NDR1, "Denso NDR1 microprocesspr"),
968 ENUM_ENT(EM_STARCORE, "Motorola Star*Core processor"),
969 ENUM_ENT(EM_ME16, "Toyota ME16 processor"),
970 ENUM_ENT(EM_ST100, "STMicroelectronics ST100 processor"),
971 ENUM_ENT(EM_TINYJ, "Advanced Logic Corp. TinyJ embedded processor"),
972 ENUM_ENT(EM_X86_64, "Advanced Micro Devices X86-64"),
973 ENUM_ENT(EM_PDSP, "Sony DSP processor"),
974 ENUM_ENT(EM_PDP10, "Digital Equipment Corp. PDP-10"),
975 ENUM_ENT(EM_PDP11, "Digital Equipment Corp. PDP-11"),
976 ENUM_ENT(EM_FX66, "Siemens FX66 microcontroller"),
977 ENUM_ENT(EM_ST9PLUS, "STMicroelectronics ST9+ 8/16 bit microcontroller"),
978 ENUM_ENT(EM_ST7, "STMicroelectronics ST7 8-bit microcontroller"),
979 ENUM_ENT(EM_68HC16, "Motorola MC68HC16 Microcontroller"),
980 ENUM_ENT(EM_68HC11, "Motorola MC68HC11 Microcontroller"),
981 ENUM_ENT(EM_68HC08, "Motorola MC68HC08 Microcontroller"),
982 ENUM_ENT(EM_68HC05, "Motorola MC68HC05 Microcontroller"),
983 ENUM_ENT(EM_SVX, "Silicon Graphics SVx"),
984 ENUM_ENT(EM_ST19, "STMicroelectronics ST19 8-bit microcontroller"),
985 ENUM_ENT(EM_VAX, "Digital VAX"),
986 ENUM_ENT(EM_CRIS, "Axis Communications 32-bit embedded processor"),
987 ENUM_ENT(EM_JAVELIN, "Infineon Technologies 32-bit embedded cpu"),
988 ENUM_ENT(EM_FIREPATH, "Element 14 64-bit DSP processor"),
989 ENUM_ENT(EM_ZSP, "LSI Logic's 16-bit DSP processor"),
990 ENUM_ENT(EM_MMIX, "Donald Knuth's educational 64-bit processor"),
991 ENUM_ENT(EM_HUANY, "Harvard Universitys's machine-independent object format"),
992 ENUM_ENT(EM_PRISM, "Vitesse Prism"),
993 ENUM_ENT(EM_AVR, "Atmel AVR 8-bit microcontroller"),
994 ENUM_ENT(EM_FR30, "Fujitsu FR30"),
995 ENUM_ENT(EM_D10V, "Mitsubishi D10V"),
996 ENUM_ENT(EM_D30V, "Mitsubishi D30V"),
997 ENUM_ENT(EM_V850, "NEC v850"),
998 ENUM_ENT(EM_M32R, "Renesas M32R (formerly Mitsubishi M32r)"),
999 ENUM_ENT(EM_MN10300, "Matsushita MN10300"),
1000 ENUM_ENT(EM_MN10200, "Matsushita MN10200"),
1001 ENUM_ENT(EM_PJ, "picoJava"),
1002 ENUM_ENT(EM_OPENRISC, "OpenRISC 32-bit embedded processor"),
1003 ENUM_ENT(EM_ARC_COMPACT, "EM_ARC_COMPACT"),
1004 ENUM_ENT(EM_XTENSA, "Tensilica Xtensa Processor"),
1005 ENUM_ENT(EM_VIDEOCORE, "Alphamosaic VideoCore processor"),
1006 ENUM_ENT(EM_TMM_GPP, "Thompson Multimedia General Purpose Processor"),
1007 ENUM_ENT(EM_NS32K, "National Semiconductor 32000 series"),
1008 ENUM_ENT(EM_TPC, "Tenor Network TPC processor"),
1009 ENUM_ENT(EM_SNP1K, "EM_SNP1K"),
1010 ENUM_ENT(EM_ST200, "STMicroelectronics ST200 microcontroller"),
1011 ENUM_ENT(EM_IP2K, "Ubicom IP2xxx 8-bit microcontrollers"),
1012 ENUM_ENT(EM_MAX, "MAX Processor"),
1013 ENUM_ENT(EM_CR, "National Semiconductor CompactRISC"),
1014 ENUM_ENT(EM_F2MC16, "Fujitsu F2MC16"),
1015 ENUM_ENT(EM_MSP430, "Texas Instruments msp430 microcontroller"),
1016 ENUM_ENT(EM_BLACKFIN, "Analog Devices Blackfin"),
1017 ENUM_ENT(EM_SE_C33, "S1C33 Family of Seiko Epson processors"),
1018 ENUM_ENT(EM_SEP, "Sharp embedded microprocessor"),
1019 ENUM_ENT(EM_ARCA, "Arca RISC microprocessor"),
1020 ENUM_ENT(EM_UNICORE, "Unicore"),
1021 ENUM_ENT(EM_EXCESS, "eXcess 16/32/64-bit configurable embedded CPU"),
1022 ENUM_ENT(EM_DXP, "Icera Semiconductor Inc. Deep Execution Processor"),
1023 ENUM_ENT(EM_ALTERA_NIOS2, "Altera Nios"),
1024 ENUM_ENT(EM_CRX, "National Semiconductor CRX microprocessor"),
1025 ENUM_ENT(EM_XGATE, "Motorola XGATE embedded processor"),
1026 ENUM_ENT(EM_C166, "Infineon Technologies xc16x"),
1027 ENUM_ENT(EM_M16C, "Renesas M16C"),
1028 ENUM_ENT(EM_DSPIC30F, "Microchip Technology dsPIC30F Digital Signal Controller"),
1029 ENUM_ENT(EM_CE, "Freescale Communication Engine RISC core"),
1030 ENUM_ENT(EM_M32C, "Renesas M32C"),
1031 ENUM_ENT(EM_TSK3000, "Altium TSK3000 core"),
1032 ENUM_ENT(EM_RS08, "Freescale RS08 embedded processor"),
1033 ENUM_ENT(EM_SHARC, "EM_SHARC"),
1034 ENUM_ENT(EM_ECOG2, "Cyan Technology eCOG2 microprocessor"),
1035 ENUM_ENT(EM_SCORE7, "SUNPLUS S+Core"),
1036 ENUM_ENT(EM_DSP24, "New Japan Radio (NJR) 24-bit DSP Processor"),
1037 ENUM_ENT(EM_VIDEOCORE3, "Broadcom VideoCore III processor"),
1038 ENUM_ENT(EM_LATTICEMICO32, "Lattice Mico32"),
1039 ENUM_ENT(EM_SE_C17, "Seiko Epson C17 family"),
1040 ENUM_ENT(EM_TI_C6000, "Texas Instruments TMS320C6000 DSP family"),
1041 ENUM_ENT(EM_TI_C2000, "Texas Instruments TMS320C2000 DSP family"),
1042 ENUM_ENT(EM_TI_C5500, "Texas Instruments TMS320C55x DSP family"),
1043 ENUM_ENT(EM_MMDSP_PLUS, "STMicroelectronics 64bit VLIW Data Signal Processor"),
1044 ENUM_ENT(EM_CYPRESS_M8C, "Cypress M8C microprocessor"),
1045 ENUM_ENT(EM_R32C, "Renesas R32C series microprocessors"),
1046 ENUM_ENT(EM_TRIMEDIA, "NXP Semiconductors TriMedia architecture family"),
1047 ENUM_ENT(EM_HEXAGON, "Qualcomm Hexagon"),
1048 ENUM_ENT(EM_8051, "Intel 8051 and variants"),
1049 ENUM_ENT(EM_STXP7X, "STMicroelectronics STxP7x family"),
1050 ENUM_ENT(EM_NDS32, "Andes Technology compact code size embedded RISC processor family"),
1051 ENUM_ENT(EM_ECOG1, "Cyan Technology eCOG1 microprocessor"),
1052 ENUM_ENT(EM_ECOG1X, "Cyan Technology eCOG1X family"),
1053 ENUM_ENT(EM_MAXQ30, "Dallas Semiconductor MAXQ30 Core microcontrollers"),
1054 ENUM_ENT(EM_XIMO16, "New Japan Radio (NJR) 16-bit DSP Processor"),
1055 ENUM_ENT(EM_MANIK, "M2000 Reconfigurable RISC Microprocessor"),
1056 ENUM_ENT(EM_CRAYNV2, "Cray Inc. NV2 vector architecture"),
1057 ENUM_ENT(EM_RX, "Renesas RX"),
1058 ENUM_ENT(EM_METAG, "Imagination Technologies Meta processor architecture"),
1059 ENUM_ENT(EM_MCST_ELBRUS, "MCST Elbrus general purpose hardware architecture"),
1060 ENUM_ENT(EM_ECOG16, "Cyan Technology eCOG16 family"),
1061 ENUM_ENT(EM_CR16, "Xilinx MicroBlaze"),
1062 ENUM_ENT(EM_ETPU, "Freescale Extended Time Processing Unit"),
1063 ENUM_ENT(EM_SLE9X, "Infineon Technologies SLE9X core"),
1064 ENUM_ENT(EM_L10M, "EM_L10M"),
1065 ENUM_ENT(EM_K10M, "EM_K10M"),
1066 ENUM_ENT(EM_AARCH64, "AArch64"),
1067 ENUM_ENT(EM_AVR32, "Atmel Corporation 32-bit microprocessor family"),
1068 ENUM_ENT(EM_STM8, "STMicroeletronics STM8 8-bit microcontroller"),
1069 ENUM_ENT(EM_TILE64, "Tilera TILE64 multicore architecture family"),
1070 ENUM_ENT(EM_TILEPRO, "Tilera TILEPro multicore architecture family"),
1071 ENUM_ENT(EM_CUDA, "NVIDIA CUDA architecture"),
1072 ENUM_ENT(EM_TILEGX, "Tilera TILE-Gx multicore architecture family"),
1073 ENUM_ENT(EM_CLOUDSHIELD, "EM_CLOUDSHIELD"),
1074 ENUM_ENT(EM_COREA_1ST, "EM_COREA_1ST"),
1075 ENUM_ENT(EM_COREA_2ND, "EM_COREA_2ND"),
1076 ENUM_ENT(EM_ARC_COMPACT2, "EM_ARC_COMPACT2"),
1077 ENUM_ENT(EM_OPEN8, "EM_OPEN8"),
1078 ENUM_ENT(EM_RL78, "Renesas RL78"),
1079 ENUM_ENT(EM_VIDEOCORE5, "Broadcom VideoCore V processor"),
1080 ENUM_ENT(EM_78KOR, "EM_78KOR"),
1081 ENUM_ENT(EM_56800EX, "EM_56800EX"),
1082 ENUM_ENT(EM_AMDGPU, "EM_AMDGPU"),
1083 ENUM_ENT(EM_RISCV, "RISC-V"),
1084 ENUM_ENT(EM_LANAI, "EM_LANAI"),
1085 ENUM_ENT(EM_BPF, "EM_BPF"),
1088 static const EnumEntry<unsigned> ElfSymbolBindings[] = {
1089 {"Local", "LOCAL", ELF::STB_LOCAL},
1090 {"Global", "GLOBAL", ELF::STB_GLOBAL},
1091 {"Weak", "WEAK", ELF::STB_WEAK},
1092 {"Unique", "UNIQUE", ELF::STB_GNU_UNIQUE}};
1094 static const EnumEntry<unsigned> ElfSymbolVisibilities[] = {
1095 {"DEFAULT", "DEFAULT", ELF::STV_DEFAULT},
1096 {"INTERNAL", "INTERNAL", ELF::STV_INTERNAL},
1097 {"HIDDEN", "HIDDEN", ELF::STV_HIDDEN},
1098 {"PROTECTED", "PROTECTED", ELF::STV_PROTECTED}};
1100 static const EnumEntry<unsigned> ElfSymbolTypes[] = {
1101 {"None", "NOTYPE", ELF::STT_NOTYPE},
1102 {"Object", "OBJECT", ELF::STT_OBJECT},
1103 {"Function", "FUNC", ELF::STT_FUNC},
1104 {"Section", "SECTION", ELF::STT_SECTION},
1105 {"File", "FILE", ELF::STT_FILE},
1106 {"Common", "COMMON", ELF::STT_COMMON},
1107 {"TLS", "TLS", ELF::STT_TLS},
1108 {"GNU_IFunc", "IFUNC", ELF::STT_GNU_IFUNC}};
1110 static const EnumEntry<unsigned> AMDGPUSymbolTypes[] = {
1111 { "AMDGPU_HSA_KERNEL", ELF::STT_AMDGPU_HSA_KERNEL }
1114 static const char *getGroupType(uint32_t Flag) {
1115 if (Flag & ELF::GRP_COMDAT)
1121 static const EnumEntry<unsigned> ElfSectionFlags[] = {
1122 ENUM_ENT(SHF_WRITE, "W"),
1123 ENUM_ENT(SHF_ALLOC, "A"),
1124 ENUM_ENT(SHF_EXCLUDE, "E"),
1125 ENUM_ENT(SHF_EXECINSTR, "X"),
1126 ENUM_ENT(SHF_MERGE, "M"),
1127 ENUM_ENT(SHF_STRINGS, "S"),
1128 ENUM_ENT(SHF_INFO_LINK, "I"),
1129 ENUM_ENT(SHF_LINK_ORDER, "L"),
1130 ENUM_ENT(SHF_OS_NONCONFORMING, "o"),
1131 ENUM_ENT(SHF_GROUP, "G"),
1132 ENUM_ENT(SHF_TLS, "T"),
1133 ENUM_ENT(SHF_MASKOS, "o"),
1134 ENUM_ENT(SHF_MASKPROC, "p"),
1135 ENUM_ENT_1(SHF_COMPRESSED),
1138 static const EnumEntry<unsigned> ElfXCoreSectionFlags[] = {
1139 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
1140 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION)
1143 static const EnumEntry<unsigned> ElfARMSectionFlags[] = {
1144 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ARM_PURECODE)
1147 static const EnumEntry<unsigned> ElfHexagonSectionFlags[] = {
1148 LLVM_READOBJ_ENUM_ENT(ELF, SHF_HEX_GPREL)
1151 static const EnumEntry<unsigned> ElfMipsSectionFlags[] = {
1152 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NODUPES),
1153 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NAMES ),
1154 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_LOCAL ),
1155 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP),
1156 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_GPREL ),
1157 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_MERGE ),
1158 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_ADDR ),
1159 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_STRING )
1162 static const EnumEntry<unsigned> ElfX86_64SectionFlags[] = {
1163 LLVM_READOBJ_ENUM_ENT(ELF, SHF_X86_64_LARGE)
1166 static std::string getGNUFlags(uint64_t Flags) {
1168 for (auto Entry : ElfSectionFlags) {
1169 uint64_t Flag = Entry.Value & Flags;
1170 Flags &= ~Entry.Value;
1172 case ELF::SHF_WRITE:
1173 case ELF::SHF_ALLOC:
1174 case ELF::SHF_EXECINSTR:
1175 case ELF::SHF_MERGE:
1176 case ELF::SHF_STRINGS:
1177 case ELF::SHF_INFO_LINK:
1178 case ELF::SHF_LINK_ORDER:
1179 case ELF::SHF_OS_NONCONFORMING:
1180 case ELF::SHF_GROUP:
1182 case ELF::SHF_EXCLUDE:
1183 Str += Entry.AltName;
1186 if (Flag & ELF::SHF_MASKOS)
1188 else if (Flag & ELF::SHF_MASKPROC)
1197 static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
1198 // Check potentially overlapped processor-specific
1199 // program header type.
1203 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
1207 case ELF::EM_MIPS_RS3_LE:
1209 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
1210 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
1211 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
1212 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
1218 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
1219 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
1220 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
1221 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
1222 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
1223 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
1224 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
1225 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
1227 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
1228 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
1230 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
1231 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
1233 LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_RANDOMIZE);
1234 LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_WXNEEDED);
1235 LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_BOOTDATA);
1241 static std::string getElfPtType(unsigned Arch, unsigned Type) {
1243 LLVM_READOBJ_PHDR_ENUM(ELF, PT_NULL)
1244 LLVM_READOBJ_PHDR_ENUM(ELF, PT_LOAD)
1245 LLVM_READOBJ_PHDR_ENUM(ELF, PT_DYNAMIC)
1246 LLVM_READOBJ_PHDR_ENUM(ELF, PT_INTERP)
1247 LLVM_READOBJ_PHDR_ENUM(ELF, PT_NOTE)
1248 LLVM_READOBJ_PHDR_ENUM(ELF, PT_SHLIB)
1249 LLVM_READOBJ_PHDR_ENUM(ELF, PT_PHDR)
1250 LLVM_READOBJ_PHDR_ENUM(ELF, PT_TLS)
1251 LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_EH_FRAME)
1252 LLVM_READOBJ_PHDR_ENUM(ELF, PT_SUNW_UNWIND)
1253 LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_STACK)
1254 LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_RELRO)
1256 // All machine specific PT_* types
1259 if (Type == ELF::PT_ARM_EXIDX)
1263 case ELF::EM_MIPS_RS3_LE:
1265 case PT_MIPS_REGINFO:
1267 case PT_MIPS_RTPROC:
1269 case PT_MIPS_OPTIONS:
1271 case PT_MIPS_ABIFLAGS:
1277 return std::string("<unknown>: ") + to_string(format_hex(Type, 1));
1280 static const EnumEntry<unsigned> ElfSegmentFlags[] = {
1281 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
1282 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
1283 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
1286 static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
1287 ENUM_ENT(EF_MIPS_NOREORDER, "noreorder"),
1288 ENUM_ENT(EF_MIPS_PIC, "pic"),
1289 ENUM_ENT(EF_MIPS_CPIC, "cpic"),
1290 ENUM_ENT(EF_MIPS_ABI2, "abi2"),
1291 ENUM_ENT(EF_MIPS_32BITMODE, "32bitmode"),
1292 ENUM_ENT(EF_MIPS_FP64, "fp64"),
1293 ENUM_ENT(EF_MIPS_NAN2008, "nan2008"),
1294 ENUM_ENT(EF_MIPS_ABI_O32, "o32"),
1295 ENUM_ENT(EF_MIPS_ABI_O64, "o64"),
1296 ENUM_ENT(EF_MIPS_ABI_EABI32, "eabi32"),
1297 ENUM_ENT(EF_MIPS_ABI_EABI64, "eabi64"),
1298 ENUM_ENT(EF_MIPS_MACH_3900, "3900"),
1299 ENUM_ENT(EF_MIPS_MACH_4010, "4010"),
1300 ENUM_ENT(EF_MIPS_MACH_4100, "4100"),
1301 ENUM_ENT(EF_MIPS_MACH_4650, "4650"),
1302 ENUM_ENT(EF_MIPS_MACH_4120, "4120"),
1303 ENUM_ENT(EF_MIPS_MACH_4111, "4111"),
1304 ENUM_ENT(EF_MIPS_MACH_SB1, "sb1"),
1305 ENUM_ENT(EF_MIPS_MACH_OCTEON, "octeon"),
1306 ENUM_ENT(EF_MIPS_MACH_XLR, "xlr"),
1307 ENUM_ENT(EF_MIPS_MACH_OCTEON2, "octeon2"),
1308 ENUM_ENT(EF_MIPS_MACH_OCTEON3, "octeon3"),
1309 ENUM_ENT(EF_MIPS_MACH_5400, "5400"),
1310 ENUM_ENT(EF_MIPS_MACH_5900, "5900"),
1311 ENUM_ENT(EF_MIPS_MACH_5500, "5500"),
1312 ENUM_ENT(EF_MIPS_MACH_9000, "9000"),
1313 ENUM_ENT(EF_MIPS_MACH_LS2E, "loongson-2e"),
1314 ENUM_ENT(EF_MIPS_MACH_LS2F, "loongson-2f"),
1315 ENUM_ENT(EF_MIPS_MACH_LS3A, "loongson-3a"),
1316 ENUM_ENT(EF_MIPS_MICROMIPS, "micromips"),
1317 ENUM_ENT(EF_MIPS_ARCH_ASE_M16, "mips16"),
1318 ENUM_ENT(EF_MIPS_ARCH_ASE_MDMX, "mdmx"),
1319 ENUM_ENT(EF_MIPS_ARCH_1, "mips1"),
1320 ENUM_ENT(EF_MIPS_ARCH_2, "mips2"),
1321 ENUM_ENT(EF_MIPS_ARCH_3, "mips3"),
1322 ENUM_ENT(EF_MIPS_ARCH_4, "mips4"),
1323 ENUM_ENT(EF_MIPS_ARCH_5, "mips5"),
1324 ENUM_ENT(EF_MIPS_ARCH_32, "mips32"),
1325 ENUM_ENT(EF_MIPS_ARCH_64, "mips64"),
1326 ENUM_ENT(EF_MIPS_ARCH_32R2, "mips32r2"),
1327 ENUM_ENT(EF_MIPS_ARCH_64R2, "mips64r2"),
1328 ENUM_ENT(EF_MIPS_ARCH_32R6, "mips32r6"),
1329 ENUM_ENT(EF_MIPS_ARCH_64R6, "mips64r6")
1332 static const EnumEntry<unsigned> ElfHeaderAMDGPUFlags[] = {
1333 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_NONE),
1334 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R600),
1335 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R630),
1336 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RS880),
1337 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV670),
1338 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV710),
1339 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV730),
1340 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV770),
1341 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CEDAR),
1342 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CYPRESS),
1343 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_JUNIPER),
1344 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_REDWOOD),
1345 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_SUMO),
1346 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_BARTS),
1347 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAICOS),
1348 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAYMAN),
1349 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_TURKS),
1350 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX600),
1351 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX601),
1352 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX700),
1353 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX701),
1354 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX702),
1355 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX703),
1356 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX704),
1357 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX801),
1358 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX802),
1359 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX803),
1360 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX810),
1361 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX900),
1362 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX902),
1363 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX904),
1364 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX906),
1365 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX909),
1366 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_XNACK),
1367 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_SRAM_ECC)
1370 static const EnumEntry<unsigned> ElfHeaderRISCVFlags[] = {
1371 ENUM_ENT(EF_RISCV_RVC, "RVC"),
1372 ENUM_ENT(EF_RISCV_FLOAT_ABI_SINGLE, "single-float ABI"),
1373 ENUM_ENT(EF_RISCV_FLOAT_ABI_DOUBLE, "double-float ABI"),
1374 ENUM_ENT(EF_RISCV_FLOAT_ABI_QUAD, "quad-float ABI"),
1375 ENUM_ENT(EF_RISCV_RVE, "RVE")
1378 static const EnumEntry<unsigned> ElfSymOtherFlags[] = {
1379 LLVM_READOBJ_ENUM_ENT(ELF, STV_INTERNAL),
1380 LLVM_READOBJ_ENUM_ENT(ELF, STV_HIDDEN),
1381 LLVM_READOBJ_ENUM_ENT(ELF, STV_PROTECTED)
1384 static const EnumEntry<unsigned> ElfMipsSymOtherFlags[] = {
1385 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL),
1386 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT),
1387 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PIC),
1388 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MICROMIPS)
1391 static const EnumEntry<unsigned> ElfMips16SymOtherFlags[] = {
1392 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL),
1393 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT),
1394 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MIPS16)
1397 static const char *getElfMipsOptionsOdkType(unsigned Odk) {
1399 LLVM_READOBJ_ENUM_CASE(ELF, ODK_NULL);
1400 LLVM_READOBJ_ENUM_CASE(ELF, ODK_REGINFO);
1401 LLVM_READOBJ_ENUM_CASE(ELF, ODK_EXCEPTIONS);
1402 LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAD);
1403 LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWPATCH);
1404 LLVM_READOBJ_ENUM_CASE(ELF, ODK_FILL);
1405 LLVM_READOBJ_ENUM_CASE(ELF, ODK_TAGS);
1406 LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWAND);
1407 LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWOR);
1408 LLVM_READOBJ_ENUM_CASE(ELF, ODK_GP_GROUP);
1409 LLVM_READOBJ_ENUM_CASE(ELF, ODK_IDENT);
1410 LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAGESIZE);
1416 template <typename ELFT>
1417 ELFDumper<ELFT>::ELFDumper(const ELFFile<ELFT> *Obj, ScopedPrinter &Writer)
1418 : ObjDumper(Writer), Obj(Obj) {
1419 SmallVector<const Elf_Phdr *, 4> LoadSegments;
1420 for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
1421 if (Phdr.p_type == ELF::PT_DYNAMIC) {
1422 DynamicTable = createDRIFrom(&Phdr, sizeof(Elf_Dyn));
1425 if (Phdr.p_type != ELF::PT_LOAD || Phdr.p_filesz == 0)
1427 LoadSegments.push_back(&Phdr);
1430 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
1431 switch (Sec.sh_type) {
1432 case ELF::SHT_SYMTAB:
1433 if (DotSymtabSec != nullptr)
1434 reportError("Multiple SHT_SYMTAB");
1435 DotSymtabSec = &Sec;
1437 case ELF::SHT_DYNSYM:
1438 if (DynSymRegion.Size)
1439 reportError("Multiple SHT_DYNSYM");
1440 DynSymRegion = createDRIFrom(&Sec);
1441 // This is only used (if Elf_Shdr present)for naming section in GNU style
1442 DynSymtabName = unwrapOrError(Obj->getSectionName(&Sec));
1443 DynamicStringTable = unwrapOrError(Obj->getStringTableForSymtab(Sec));
1445 case ELF::SHT_SYMTAB_SHNDX:
1446 ShndxTable = unwrapOrError(Obj->getSHNDXTable(Sec));
1448 case ELF::SHT_GNU_versym:
1449 if (dot_gnu_version_sec != nullptr)
1450 reportError("Multiple SHT_GNU_versym");
1451 dot_gnu_version_sec = &Sec;
1453 case ELF::SHT_GNU_verdef:
1454 if (dot_gnu_version_d_sec != nullptr)
1455 reportError("Multiple SHT_GNU_verdef");
1456 dot_gnu_version_d_sec = &Sec;
1458 case ELF::SHT_GNU_verneed:
1459 if (dot_gnu_version_r_sec != nullptr)
1460 reportError("Multiple SHT_GNU_verneed");
1461 dot_gnu_version_r_sec = &Sec;
1463 case ELF::SHT_LLVM_CALL_GRAPH_PROFILE:
1464 if (DotCGProfileSec != nullptr)
1465 reportError("Multiple .llvm.call-graph-profile");
1466 DotCGProfileSec = &Sec;
1468 case ELF::SHT_LLVM_ADDRSIG:
1469 if (DotAddrsigSec != nullptr)
1470 reportError("Multiple .llvm_addrsig");
1471 DotAddrsigSec = &Sec;
1476 parseDynamicTable(LoadSegments);
1478 if (opts::Output == opts::GNU)
1479 ELFDumperStyle.reset(new GNUStyle<ELFT>(Writer, this));
1481 ELFDumperStyle.reset(new LLVMStyle<ELFT>(Writer, this));
1484 template <typename ELFT>
1485 void ELFDumper<ELFT>::parseDynamicTable(
1486 ArrayRef<const Elf_Phdr *> LoadSegments) {
1487 auto toMappedAddr = [&](uint64_t VAddr) -> const uint8_t * {
1488 auto MappedAddrOrError = Obj->toMappedAddr(VAddr);
1489 if (!MappedAddrOrError)
1490 report_fatal_error(MappedAddrOrError.takeError());
1491 return MappedAddrOrError.get();
1494 uint64_t SONameOffset = 0;
1495 const char *StringTableBegin = nullptr;
1496 uint64_t StringTableSize = 0;
1497 for (const Elf_Dyn &Dyn : dynamic_table()) {
1498 switch (Dyn.d_tag) {
1501 reinterpret_cast<const Elf_Hash *>(toMappedAddr(Dyn.getPtr()));
1503 case ELF::DT_GNU_HASH:
1505 reinterpret_cast<const Elf_GnuHash *>(toMappedAddr(Dyn.getPtr()));
1507 case ELF::DT_STRTAB:
1508 StringTableBegin = (const char *)toMappedAddr(Dyn.getPtr());
1511 StringTableSize = Dyn.getVal();
1513 case ELF::DT_SYMTAB:
1514 DynSymRegion.Addr = toMappedAddr(Dyn.getPtr());
1515 DynSymRegion.EntSize = sizeof(Elf_Sym);
1518 DynRelaRegion.Addr = toMappedAddr(Dyn.getPtr());
1520 case ELF::DT_RELASZ:
1521 DynRelaRegion.Size = Dyn.getVal();
1523 case ELF::DT_RELAENT:
1524 DynRelaRegion.EntSize = Dyn.getVal();
1526 case ELF::DT_SONAME:
1527 SONameOffset = Dyn.getVal();
1530 DynRelRegion.Addr = toMappedAddr(Dyn.getPtr());
1533 DynRelRegion.Size = Dyn.getVal();
1535 case ELF::DT_RELENT:
1536 DynRelRegion.EntSize = Dyn.getVal();
1539 case ELF::DT_ANDROID_RELR:
1540 DynRelrRegion.Addr = toMappedAddr(Dyn.getPtr());
1542 case ELF::DT_RELRSZ:
1543 case ELF::DT_ANDROID_RELRSZ:
1544 DynRelrRegion.Size = Dyn.getVal();
1546 case ELF::DT_RELRENT:
1547 case ELF::DT_ANDROID_RELRENT:
1548 DynRelrRegion.EntSize = Dyn.getVal();
1550 case ELF::DT_PLTREL:
1551 if (Dyn.getVal() == DT_REL)
1552 DynPLTRelRegion.EntSize = sizeof(Elf_Rel);
1553 else if (Dyn.getVal() == DT_RELA)
1554 DynPLTRelRegion.EntSize = sizeof(Elf_Rela);
1556 reportError(Twine("unknown DT_PLTREL value of ") +
1557 Twine((uint64_t)Dyn.getVal()));
1559 case ELF::DT_JMPREL:
1560 DynPLTRelRegion.Addr = toMappedAddr(Dyn.getPtr());
1562 case ELF::DT_PLTRELSZ:
1563 DynPLTRelRegion.Size = Dyn.getVal();
1567 if (StringTableBegin)
1568 DynamicStringTable = StringRef(StringTableBegin, StringTableSize);
1570 SOName = getDynamicString(SONameOffset);
1573 template <typename ELFT>
1574 typename ELFDumper<ELFT>::Elf_Rel_Range ELFDumper<ELFT>::dyn_rels() const {
1575 return DynRelRegion.getAsArrayRef<Elf_Rel>();
1578 template <typename ELFT>
1579 typename ELFDumper<ELFT>::Elf_Rela_Range ELFDumper<ELFT>::dyn_relas() const {
1580 return DynRelaRegion.getAsArrayRef<Elf_Rela>();
1583 template <typename ELFT>
1584 typename ELFDumper<ELFT>::Elf_Relr_Range ELFDumper<ELFT>::dyn_relrs() const {
1585 return DynRelrRegion.getAsArrayRef<Elf_Relr>();
1588 template<class ELFT>
1589 void ELFDumper<ELFT>::printFileHeaders() {
1590 ELFDumperStyle->printFileHeaders(Obj);
1593 template <class ELFT> void ELFDumper<ELFT>::printSectionHeaders() {
1594 ELFDumperStyle->printSectionHeaders(Obj);
1597 template<class ELFT>
1598 void ELFDumper<ELFT>::printRelocations() {
1599 ELFDumperStyle->printRelocations(Obj);
1602 template <class ELFT> void ELFDumper<ELFT>::printProgramHeaders() {
1603 ELFDumperStyle->printProgramHeaders(Obj);
1606 template <class ELFT> void ELFDumper<ELFT>::printDynamicRelocations() {
1607 ELFDumperStyle->printDynamicRelocations(Obj);
1610 template<class ELFT>
1611 void ELFDumper<ELFT>::printSymbols() {
1612 ELFDumperStyle->printSymbols(Obj);
1615 template<class ELFT>
1616 void ELFDumper<ELFT>::printDynamicSymbols() {
1617 ELFDumperStyle->printDynamicSymbols(Obj);
1620 template <class ELFT> void ELFDumper<ELFT>::printHashHistogram() {
1621 ELFDumperStyle->printHashHistogram(Obj);
1624 template <class ELFT> void ELFDumper<ELFT>::printCGProfile() {
1625 ELFDumperStyle->printCGProfile(Obj);
1628 template <class ELFT> void ELFDumper<ELFT>::printNotes() {
1629 ELFDumperStyle->printNotes(Obj);
1632 template <class ELFT> void ELFDumper<ELFT>::printELFLinkerOptions() {
1633 ELFDumperStyle->printELFLinkerOptions(Obj);
1636 static const char *getTypeString(unsigned Arch, uint64_t Type) {
1637 #define DYNAMIC_TAG(n, v)
1641 #define HEXAGON_DYNAMIC_TAG(name, value) \
1644 #include "llvm/BinaryFormat/DynamicTags.def"
1645 #undef HEXAGON_DYNAMIC_TAG
1651 #define MIPS_DYNAMIC_TAG(name, value) \
1654 #include "llvm/BinaryFormat/DynamicTags.def"
1655 #undef MIPS_DYNAMIC_TAG
1661 #define PPC64_DYNAMIC_TAG(name, value) \
1664 #include "llvm/BinaryFormat/DynamicTags.def"
1665 #undef PPC64_DYNAMIC_TAG
1671 // Now handle all dynamic tags except the architecture specific ones
1672 #define MIPS_DYNAMIC_TAG(name, value)
1673 #define HEXAGON_DYNAMIC_TAG(name, value)
1674 #define PPC64_DYNAMIC_TAG(name, value)
1675 // Also ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc.
1676 #define DYNAMIC_TAG_MARKER(name, value)
1677 #define DYNAMIC_TAG(name, value) \
1680 #include "llvm/BinaryFormat/DynamicTags.def"
1682 #undef MIPS_DYNAMIC_TAG
1683 #undef HEXAGON_DYNAMIC_TAG
1684 #undef PPC64_DYNAMIC_TAG
1685 #undef DYNAMIC_TAG_MARKER
1686 default: return "unknown";
1690 #define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
1691 { #enum, prefix##_##enum }
1693 static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
1694 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
1695 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
1696 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
1697 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
1698 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
1701 static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
1702 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
1703 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
1704 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
1705 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
1706 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
1707 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
1708 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
1709 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
1710 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
1711 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
1712 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
1713 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
1714 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
1715 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
1716 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
1717 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
1718 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
1719 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
1720 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
1721 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
1722 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
1723 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
1724 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
1725 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
1726 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
1729 static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
1730 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
1731 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
1732 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
1733 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
1734 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
1735 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
1736 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
1737 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
1738 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
1739 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
1740 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
1741 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
1742 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
1743 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
1744 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
1745 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
1748 #undef LLVM_READOBJ_DT_FLAG_ENT
1750 template <typename T, typename TFlag>
1751 void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
1752 using FlagEntry = EnumEntry<TFlag>;
1753 using FlagVector = SmallVector<FlagEntry, 10>;
1754 FlagVector SetFlags;
1756 for (const auto &Flag : Flags) {
1757 if (Flag.Value == 0)
1760 if ((Value & Flag.Value) == Flag.Value)
1761 SetFlags.push_back(Flag);
1764 for (const auto &Flag : SetFlags) {
1765 OS << Flag.Name << " ";
1769 template <class ELFT>
1770 StringRef ELFDumper<ELFT>::getDynamicString(uint64_t Value) const {
1771 if (Value >= DynamicStringTable.size())
1772 reportError("Invalid dynamic string table reference");
1773 return StringRef(DynamicStringTable.data() + Value);
1776 static void printLibrary(raw_ostream &OS, const Twine &Tag, const Twine &Name) {
1777 OS << Tag << ": [" << Name << "]";
1780 template <class ELFT>
1781 void ELFDumper<ELFT>::printValue(uint64_t Type, uint64_t Value) {
1782 raw_ostream &OS = W.getOStream();
1783 const char* ConvChar = (opts::Output == opts::GNU) ? "0x%" PRIx64 : "0x%" PRIX64;
1786 if (Value == DT_REL) {
1789 } else if (Value == DT_RELA) {
1805 case DT_PREINIT_ARRAY:
1812 case DT_MIPS_BASE_ADDRESS:
1813 case DT_MIPS_GOTSYM:
1814 case DT_MIPS_RLD_MAP:
1815 case DT_MIPS_RLD_MAP_REL:
1816 case DT_MIPS_PLTGOT:
1817 case DT_MIPS_OPTIONS:
1818 OS << format(ConvChar, Value);
1824 case DT_MIPS_RLD_VERSION:
1825 case DT_MIPS_LOCAL_GOTNO:
1826 case DT_MIPS_SYMTABNO:
1827 case DT_MIPS_UNREFEXTNO:
1837 case DT_INIT_ARRAYSZ:
1838 case DT_FINI_ARRAYSZ:
1839 case DT_PREINIT_ARRAYSZ:
1840 case DT_ANDROID_RELSZ:
1841 case DT_ANDROID_RELASZ:
1842 OS << Value << " (bytes)";
1845 printLibrary(OS, "Shared library", getDynamicString(Value));
1848 printLibrary(OS, "Library soname", getDynamicString(Value));
1851 printLibrary(OS, "Auxiliary library", getDynamicString(Value));
1854 printLibrary(OS, "Filter library", getDynamicString(Value));
1858 OS << getDynamicString(Value);
1861 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
1864 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
1867 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
1870 OS << format(ConvChar, Value);
1875 template<class ELFT>
1876 void ELFDumper<ELFT>::printUnwindInfo() {
1877 const unsigned Machine = Obj->getHeader()->e_machine;
1878 if (Machine == EM_386 || Machine == EM_X86_64) {
1879 DwarfCFIEH::PrinterContext<ELFT> Ctx(W, Obj);
1880 return Ctx.printUnwindInformation();
1882 W.startLine() << "UnwindInfo not implemented.\n";
1887 template <> void ELFDumper<ELF32LE>::printUnwindInfo() {
1888 const unsigned Machine = Obj->getHeader()->e_machine;
1889 if (Machine == EM_ARM) {
1890 ARM::EHABI::PrinterContext<ELF32LE> Ctx(W, Obj, DotSymtabSec);
1891 return Ctx.PrintUnwindInformation();
1893 W.startLine() << "UnwindInfo not implemented.\n";
1896 } // end anonymous namespace
1898 template<class ELFT>
1899 void ELFDumper<ELFT>::printDynamicTable() {
1900 auto I = dynamic_table().begin();
1901 auto E = dynamic_table().end();
1907 while (I != E && E->getTag() == ELF::DT_NULL)
1909 if (E->getTag() != ELF::DT_NULL)
1913 ptrdiff_t Total = std::distance(I, E);
1917 raw_ostream &OS = W.getOStream();
1918 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1920 bool Is64 = ELFT::Is64Bits;
1923 << " Tag" << (Is64 ? " " : " ") << "Type"
1924 << " " << "Name/Value\n";
1926 const Elf_Dyn &Entry = *I;
1927 uintX_t Tag = Entry.getTag();
1929 W.startLine() << " " << format_hex(Tag, Is64 ? 18 : 10, opts::Output != opts::GNU) << " "
1930 << format("%-21s", getTypeString(Obj->getHeader()->e_machine, Tag));
1931 printValue(Tag, Entry.getVal());
1935 W.startLine() << "]\n";
1938 template<class ELFT>
1939 void ELFDumper<ELFT>::printNeededLibraries() {
1940 ListScope D(W, "NeededLibraries");
1942 using LibsTy = std::vector<StringRef>;
1945 for (const auto &Entry : dynamic_table())
1946 if (Entry.d_tag == ELF::DT_NEEDED)
1947 Libs.push_back(getDynamicString(Entry.d_un.d_val));
1949 std::stable_sort(Libs.begin(), Libs.end());
1951 for (const auto &L : Libs)
1952 W.startLine() << L << "\n";
1956 template <typename ELFT>
1957 void ELFDumper<ELFT>::printHashTable() {
1958 DictScope D(W, "HashTable");
1961 W.printNumber("Num Buckets", HashTable->nbucket);
1962 W.printNumber("Num Chains", HashTable->nchain);
1963 W.printList("Buckets", HashTable->buckets());
1964 W.printList("Chains", HashTable->chains());
1967 template <typename ELFT>
1968 void ELFDumper<ELFT>::printGnuHashTable() {
1969 DictScope D(W, "GnuHashTable");
1972 W.printNumber("Num Buckets", GnuHashTable->nbuckets);
1973 W.printNumber("First Hashed Symbol Index", GnuHashTable->symndx);
1974 W.printNumber("Num Mask Words", GnuHashTable->maskwords);
1975 W.printNumber("Shift Count", GnuHashTable->shift2);
1976 W.printHexList("Bloom Filter", GnuHashTable->filter());
1977 W.printList("Buckets", GnuHashTable->buckets());
1978 Elf_Sym_Range Syms = dynamic_symbols();
1979 unsigned NumSyms = std::distance(Syms.begin(), Syms.end());
1981 reportError("No dynamic symbol section");
1982 W.printHexList("Values", GnuHashTable->values(NumSyms));
1985 template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
1986 W.printString("LoadName", SOName);
1989 template <class ELFT>
1990 void ELFDumper<ELFT>::printAttributes() {
1991 W.startLine() << "Attributes not implemented.\n";
1996 template <> void ELFDumper<ELF32LE>::printAttributes() {
1997 if (Obj->getHeader()->e_machine != EM_ARM) {
1998 W.startLine() << "Attributes not implemented.\n";
2002 DictScope BA(W, "BuildAttributes");
2003 for (const ELFO::Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
2004 if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
2007 ArrayRef<uint8_t> Contents = unwrapOrError(Obj->getSectionContents(&Sec));
2008 if (Contents[0] != ARMBuildAttrs::Format_Version) {
2009 errs() << "unrecognised FormatVersion: 0x"
2010 << Twine::utohexstr(Contents[0]) << '\n';
2014 W.printHex("FormatVersion", Contents[0]);
2015 if (Contents.size() == 1)
2018 ARMAttributeParser(&W).Parse(Contents, true);
2022 template <class ELFT> class MipsGOTParser {
2024 TYPEDEF_ELF_TYPES(ELFT)
2025 using Entry = typename ELFO::Elf_Addr;
2026 using Entries = ArrayRef<Entry>;
2028 const bool IsStatic;
2029 const ELFO * const Obj;
2031 MipsGOTParser(const ELFO *Obj, Elf_Dyn_Range DynTable, Elf_Sym_Range DynSyms);
2033 bool hasGot() const { return !GotEntries.empty(); }
2034 bool hasPlt() const { return !PltEntries.empty(); }
2036 uint64_t getGp() const;
2038 const Entry *getGotLazyResolver() const;
2039 const Entry *getGotModulePointer() const;
2040 const Entry *getPltLazyResolver() const;
2041 const Entry *getPltModulePointer() const;
2043 Entries getLocalEntries() const;
2044 Entries getGlobalEntries() const;
2045 Entries getOtherEntries() const;
2046 Entries getPltEntries() const;
2048 uint64_t getGotAddress(const Entry * E) const;
2049 int64_t getGotOffset(const Entry * E) const;
2050 const Elf_Sym *getGotSym(const Entry *E) const;
2052 uint64_t getPltAddress(const Entry * E) const;
2053 const Elf_Sym *getPltSym(const Entry *E) const;
2055 StringRef getPltStrTable() const { return PltStrTable; }
2058 const Elf_Shdr *GotSec;
2062 const Elf_Shdr *PltSec;
2063 const Elf_Shdr *PltRelSec;
2064 const Elf_Shdr *PltSymTable;
2065 Elf_Sym_Range GotDynSyms;
2066 StringRef PltStrTable;
2072 } // end anonymous namespace
2074 template <class ELFT>
2075 MipsGOTParser<ELFT>::MipsGOTParser(const ELFO *Obj, Elf_Dyn_Range DynTable,
2076 Elf_Sym_Range DynSyms)
2077 : IsStatic(DynTable.empty()), Obj(Obj), GotSec(nullptr), LocalNum(0),
2078 GlobalNum(0), PltSec(nullptr), PltRelSec(nullptr), PltSymTable(nullptr) {
2079 // See "Global Offset Table" in Chapter 5 in the following document
2080 // for detailed GOT description.
2081 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
2083 // Find static GOT secton.
2085 GotSec = findSectionByName(*Obj, ".got");
2087 reportError("Cannot find .got section");
2089 ArrayRef<uint8_t> Content = unwrapOrError(Obj->getSectionContents(GotSec));
2090 GotEntries = Entries(reinterpret_cast<const Entry *>(Content.data()),
2091 Content.size() / sizeof(Entry));
2092 LocalNum = GotEntries.size();
2096 // Lookup dynamic table tags which define GOT/PLT layouts.
2097 Optional<uint64_t> DtPltGot;
2098 Optional<uint64_t> DtLocalGotNum;
2099 Optional<uint64_t> DtGotSym;
2100 Optional<uint64_t> DtMipsPltGot;
2101 Optional<uint64_t> DtJmpRel;
2102 for (const auto &Entry : DynTable) {
2103 switch (Entry.getTag()) {
2104 case ELF::DT_PLTGOT:
2105 DtPltGot = Entry.getVal();
2107 case ELF::DT_MIPS_LOCAL_GOTNO:
2108 DtLocalGotNum = Entry.getVal();
2110 case ELF::DT_MIPS_GOTSYM:
2111 DtGotSym = Entry.getVal();
2113 case ELF::DT_MIPS_PLTGOT:
2114 DtMipsPltGot = Entry.getVal();
2116 case ELF::DT_JMPREL:
2117 DtJmpRel = Entry.getVal();
2122 // Find dynamic GOT section.
2123 if (DtPltGot || DtLocalGotNum || DtGotSym) {
2125 report_fatal_error("Cannot find PLTGOT dynamic table tag.");
2127 report_fatal_error("Cannot find MIPS_LOCAL_GOTNO dynamic table tag.");
2129 report_fatal_error("Cannot find MIPS_GOTSYM dynamic table tag.");
2131 size_t DynSymTotal = DynSyms.size();
2132 if (*DtGotSym > DynSymTotal)
2133 reportError("MIPS_GOTSYM exceeds a number of dynamic symbols");
2135 GotSec = findNotEmptySectionByAddress(Obj, *DtPltGot);
2137 reportError("There is no not empty GOT section at 0x" +
2138 Twine::utohexstr(*DtPltGot));
2140 LocalNum = *DtLocalGotNum;
2141 GlobalNum = DynSymTotal - *DtGotSym;
2143 ArrayRef<uint8_t> Content = unwrapOrError(Obj->getSectionContents(GotSec));
2144 GotEntries = Entries(reinterpret_cast<const Entry *>(Content.data()),
2145 Content.size() / sizeof(Entry));
2146 GotDynSyms = DynSyms.drop_front(*DtGotSym);
2149 // Find PLT section.
2150 if (DtMipsPltGot || DtJmpRel) {
2152 report_fatal_error("Cannot find MIPS_PLTGOT dynamic table tag.");
2154 report_fatal_error("Cannot find JMPREL dynamic table tag.");
2156 PltSec = findNotEmptySectionByAddress(Obj, *DtMipsPltGot);
2158 report_fatal_error("There is no not empty PLTGOT section at 0x " +
2159 Twine::utohexstr(*DtMipsPltGot));
2161 PltRelSec = findNotEmptySectionByAddress(Obj, *DtJmpRel);
2163 report_fatal_error("There is no not empty RELPLT section at 0x" +
2164 Twine::utohexstr(*DtJmpRel));
2166 ArrayRef<uint8_t> PltContent =
2167 unwrapOrError(Obj->getSectionContents(PltSec));
2168 PltEntries = Entries(reinterpret_cast<const Entry *>(PltContent.data()),
2169 PltContent.size() / sizeof(Entry));
2171 PltSymTable = unwrapOrError(Obj->getSection(PltRelSec->sh_link));
2172 PltStrTable = unwrapOrError(Obj->getStringTableForSymtab(*PltSymTable));
2176 template <class ELFT> uint64_t MipsGOTParser<ELFT>::getGp() const {
2177 return GotSec->sh_addr + 0x7ff0;
2180 template <class ELFT>
2181 const typename MipsGOTParser<ELFT>::Entry *
2182 MipsGOTParser<ELFT>::getGotLazyResolver() const {
2183 return LocalNum > 0 ? &GotEntries[0] : nullptr;
2186 template <class ELFT>
2187 const typename MipsGOTParser<ELFT>::Entry *
2188 MipsGOTParser<ELFT>::getGotModulePointer() const {
2191 const Entry &E = GotEntries[1];
2192 if ((E >> (sizeof(Entry) * 8 - 1)) == 0)
2197 template <class ELFT>
2198 typename MipsGOTParser<ELFT>::Entries
2199 MipsGOTParser<ELFT>::getLocalEntries() const {
2200 size_t Skip = getGotModulePointer() ? 2 : 1;
2201 if (LocalNum - Skip <= 0)
2203 return GotEntries.slice(Skip, LocalNum - Skip);
2206 template <class ELFT>
2207 typename MipsGOTParser<ELFT>::Entries
2208 MipsGOTParser<ELFT>::getGlobalEntries() const {
2211 return GotEntries.slice(LocalNum, GlobalNum);
2214 template <class ELFT>
2215 typename MipsGOTParser<ELFT>::Entries
2216 MipsGOTParser<ELFT>::getOtherEntries() const {
2217 size_t OtherNum = GotEntries.size() - LocalNum - GlobalNum;
2220 return GotEntries.slice(LocalNum + GlobalNum, OtherNum);
2223 template <class ELFT>
2224 uint64_t MipsGOTParser<ELFT>::getGotAddress(const Entry *E) const {
2225 int64_t Offset = std::distance(GotEntries.data(), E) * sizeof(Entry);
2226 return GotSec->sh_addr + Offset;
2229 template <class ELFT>
2230 int64_t MipsGOTParser<ELFT>::getGotOffset(const Entry *E) const {
2231 int64_t Offset = std::distance(GotEntries.data(), E) * sizeof(Entry);
2232 return Offset - 0x7ff0;
2235 template <class ELFT>
2236 const typename MipsGOTParser<ELFT>::Elf_Sym *
2237 MipsGOTParser<ELFT>::getGotSym(const Entry *E) const {
2238 int64_t Offset = std::distance(GotEntries.data(), E);
2239 return &GotDynSyms[Offset - LocalNum];
2242 template <class ELFT>
2243 const typename MipsGOTParser<ELFT>::Entry *
2244 MipsGOTParser<ELFT>::getPltLazyResolver() const {
2245 return PltEntries.empty() ? nullptr : &PltEntries[0];
2248 template <class ELFT>
2249 const typename MipsGOTParser<ELFT>::Entry *
2250 MipsGOTParser<ELFT>::getPltModulePointer() const {
2251 return PltEntries.size() < 2 ? nullptr : &PltEntries[1];
2254 template <class ELFT>
2255 typename MipsGOTParser<ELFT>::Entries
2256 MipsGOTParser<ELFT>::getPltEntries() const {
2257 if (PltEntries.size() <= 2)
2259 return PltEntries.slice(2, PltEntries.size() - 2);
2262 template <class ELFT>
2263 uint64_t MipsGOTParser<ELFT>::getPltAddress(const Entry *E) const {
2264 int64_t Offset = std::distance(PltEntries.data(), E) * sizeof(Entry);
2265 return PltSec->sh_addr + Offset;
2268 template <class ELFT>
2269 const typename MipsGOTParser<ELFT>::Elf_Sym *
2270 MipsGOTParser<ELFT>::getPltSym(const Entry *E) const {
2271 int64_t Offset = std::distance(getPltEntries().data(), E);
2272 if (PltRelSec->sh_type == ELF::SHT_REL) {
2273 Elf_Rel_Range Rels = unwrapOrError(Obj->rels(PltRelSec));
2274 return unwrapOrError(Obj->getRelocationSymbol(&Rels[Offset], PltSymTable));
2276 Elf_Rela_Range Rels = unwrapOrError(Obj->relas(PltRelSec));
2277 return unwrapOrError(Obj->getRelocationSymbol(&Rels[Offset], PltSymTable));
2281 template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
2282 if (Obj->getHeader()->e_machine != EM_MIPS)
2283 reportError("MIPS PLT GOT is available for MIPS targets only");
2285 MipsGOTParser<ELFT> Parser(Obj, dynamic_table(), dynamic_symbols());
2286 if (Parser.hasGot())
2287 ELFDumperStyle->printMipsGOT(Parser);
2288 if (Parser.hasPlt())
2289 ELFDumperStyle->printMipsPLT(Parser);
2292 static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
2293 {"None", Mips::AFL_EXT_NONE},
2294 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
2295 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
2296 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
2297 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
2298 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
2299 {"LSI R4010", Mips::AFL_EXT_4010},
2300 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
2301 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
2302 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
2303 {"MIPS R4650", Mips::AFL_EXT_4650},
2304 {"MIPS R5900", Mips::AFL_EXT_5900},
2305 {"MIPS R10000", Mips::AFL_EXT_10000},
2306 {"NEC VR4100", Mips::AFL_EXT_4100},
2307 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
2308 {"NEC VR4120", Mips::AFL_EXT_4120},
2309 {"NEC VR5400", Mips::AFL_EXT_5400},
2310 {"NEC VR5500", Mips::AFL_EXT_5500},
2311 {"RMI Xlr", Mips::AFL_EXT_XLR},
2312 {"Toshiba R3900", Mips::AFL_EXT_3900}
2315 static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
2316 {"DSP", Mips::AFL_ASE_DSP},
2317 {"DSPR2", Mips::AFL_ASE_DSPR2},
2318 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
2319 {"MCU", Mips::AFL_ASE_MCU},
2320 {"MDMX", Mips::AFL_ASE_MDMX},
2321 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
2322 {"MT", Mips::AFL_ASE_MT},
2323 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
2324 {"VZ", Mips::AFL_ASE_VIRT},
2325 {"MSA", Mips::AFL_ASE_MSA},
2326 {"MIPS16", Mips::AFL_ASE_MIPS16},
2327 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
2328 {"XPA", Mips::AFL_ASE_XPA},
2329 {"CRC", Mips::AFL_ASE_CRC},
2330 {"GINV", Mips::AFL_ASE_GINV},
2333 static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
2334 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
2335 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
2336 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
2337 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
2338 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
2339 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
2340 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
2341 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
2342 {"Hard float compat (32-bit CPU, 64-bit FPU)",
2343 Mips::Val_GNU_MIPS_ABI_FP_64A}
2346 static const EnumEntry<unsigned> ElfMipsFlags1[] {
2347 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
2350 static int getMipsRegisterSize(uint8_t Flag) {
2352 case Mips::AFL_REG_NONE:
2354 case Mips::AFL_REG_32:
2356 case Mips::AFL_REG_64:
2358 case Mips::AFL_REG_128:
2365 template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
2366 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
2368 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
2371 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2372 if (Sec.size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
2373 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
2377 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec.data());
2379 raw_ostream &OS = W.getOStream();
2380 DictScope GS(W, "MIPS ABI Flags");
2382 W.printNumber("Version", Flags->version);
2383 W.startLine() << "ISA: ";
2384 if (Flags->isa_rev <= 1)
2385 OS << format("MIPS%u", Flags->isa_level);
2387 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
2389 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
2390 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
2391 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
2392 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
2393 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
2394 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
2395 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
2396 W.printHex("Flags 2", Flags->flags2);
2399 template <class ELFT>
2400 static void printMipsReginfoData(ScopedPrinter &W,
2401 const Elf_Mips_RegInfo<ELFT> &Reginfo) {
2402 W.printHex("GP", Reginfo.ri_gp_value);
2403 W.printHex("General Mask", Reginfo.ri_gprmask);
2404 W.printHex("Co-Proc Mask0", Reginfo.ri_cprmask[0]);
2405 W.printHex("Co-Proc Mask1", Reginfo.ri_cprmask[1]);
2406 W.printHex("Co-Proc Mask2", Reginfo.ri_cprmask[2]);
2407 W.printHex("Co-Proc Mask3", Reginfo.ri_cprmask[3]);
2410 template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
2411 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
2413 W.startLine() << "There is no .reginfo section in the file.\n";
2416 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2417 if (Sec.size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
2418 W.startLine() << "The .reginfo section has a wrong size.\n";
2422 DictScope GS(W, "MIPS RegInfo");
2423 auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec.data());
2424 printMipsReginfoData(W, *Reginfo);
2427 template <class ELFT> void ELFDumper<ELFT>::printMipsOptions() {
2428 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.options");
2430 W.startLine() << "There is no .MIPS.options section in the file.\n";
2434 DictScope GS(W, "MIPS Options");
2436 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2437 while (!Sec.empty()) {
2438 if (Sec.size() < sizeof(Elf_Mips_Options<ELFT>)) {
2439 W.startLine() << "The .MIPS.options section has a wrong size.\n";
2442 auto *O = reinterpret_cast<const Elf_Mips_Options<ELFT> *>(Sec.data());
2443 DictScope GS(W, getElfMipsOptionsOdkType(O->kind));
2446 printMipsReginfoData(W, O->getRegInfo());
2449 W.startLine() << "Unsupported MIPS options tag.\n";
2452 Sec = Sec.slice(O->size);
2456 template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
2457 const Elf_Shdr *StackMapSection = nullptr;
2458 for (const auto &Sec : unwrapOrError(Obj->sections())) {
2459 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2460 if (Name == ".llvm_stackmaps") {
2461 StackMapSection = &Sec;
2466 if (!StackMapSection)
2469 ArrayRef<uint8_t> StackMapContentsArray =
2470 unwrapOrError(Obj->getSectionContents(StackMapSection));
2472 prettyPrintStackMap(
2473 W, StackMapV2Parser<ELFT::TargetEndianness>(StackMapContentsArray));
2476 template <class ELFT> void ELFDumper<ELFT>::printGroupSections() {
2477 ELFDumperStyle->printGroupSections(Obj);
2480 template <class ELFT> void ELFDumper<ELFT>::printAddrsig() {
2481 ELFDumperStyle->printAddrsig(Obj);
2484 static inline void printFields(formatted_raw_ostream &OS, StringRef Str1,
2488 OS.PadToColumn(37u);
2493 template <class ELFT>
2494 static std::string getSectionHeadersNumString(const ELFFile<ELFT> *Obj) {
2495 const typename ELFT::Ehdr *ElfHeader = Obj->getHeader();
2496 if (ElfHeader->e_shnum != 0)
2497 return to_string(ElfHeader->e_shnum);
2499 ArrayRef<typename ELFT::Shdr> Arr = unwrapOrError(Obj->sections());
2502 return "0 (" + to_string(Arr[0].sh_size) + ")";
2505 template <class ELFT>
2506 static std::string getSectionHeaderTableIndexString(const ELFFile<ELFT> *Obj) {
2507 const typename ELFT::Ehdr *ElfHeader = Obj->getHeader();
2508 if (ElfHeader->e_shstrndx != SHN_XINDEX)
2509 return to_string(ElfHeader->e_shstrndx);
2511 ArrayRef<typename ELFT::Shdr> Arr = unwrapOrError(Obj->sections());
2513 return "65535 (corrupt: out of range)";
2514 return to_string(ElfHeader->e_shstrndx) + " (" + to_string(Arr[0].sh_link) + ")";
2517 template <class ELFT> void GNUStyle<ELFT>::printFileHeaders(const ELFO *Obj) {
2518 const Elf_Ehdr *e = Obj->getHeader();
2519 OS << "ELF Header:\n";
2522 for (int i = 0; i < ELF::EI_NIDENT; i++)
2523 OS << format(" %02x", static_cast<int>(e->e_ident[i]));
2525 Str = printEnum(e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
2526 printFields(OS, "Class:", Str);
2527 Str = printEnum(e->e_ident[ELF::EI_DATA], makeArrayRef(ElfDataEncoding));
2528 printFields(OS, "Data:", Str);
2531 OS.PadToColumn(37u);
2532 OS << to_hexString(e->e_ident[ELF::EI_VERSION]);
2533 if (e->e_version == ELF::EV_CURRENT)
2536 Str = printEnum(e->e_ident[ELF::EI_OSABI], makeArrayRef(ElfOSABI));
2537 printFields(OS, "OS/ABI:", Str);
2538 Str = "0x" + to_hexString(e->e_ident[ELF::EI_ABIVERSION]);
2539 printFields(OS, "ABI Version:", Str);
2540 Str = printEnum(e->e_type, makeArrayRef(ElfObjectFileType));
2541 printFields(OS, "Type:", Str);
2542 Str = printEnum(e->e_machine, makeArrayRef(ElfMachineType));
2543 printFields(OS, "Machine:", Str);
2544 Str = "0x" + to_hexString(e->e_version);
2545 printFields(OS, "Version:", Str);
2546 Str = "0x" + to_hexString(e->e_entry);
2547 printFields(OS, "Entry point address:", Str);
2548 Str = to_string(e->e_phoff) + " (bytes into file)";
2549 printFields(OS, "Start of program headers:", Str);
2550 Str = to_string(e->e_shoff) + " (bytes into file)";
2551 printFields(OS, "Start of section headers:", Str);
2552 std::string ElfFlags;
2553 if (e->e_machine == EM_MIPS)
2555 printFlags(e->e_flags, makeArrayRef(ElfHeaderMipsFlags),
2556 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
2557 unsigned(ELF::EF_MIPS_MACH));
2558 else if (e->e_machine == EM_RISCV)
2559 ElfFlags = printFlags(e->e_flags, makeArrayRef(ElfHeaderRISCVFlags));
2560 Str = "0x" + to_hexString(e->e_flags);
2561 if (!ElfFlags.empty())
2562 Str = Str + ", " + ElfFlags;
2563 printFields(OS, "Flags:", Str);
2564 Str = to_string(e->e_ehsize) + " (bytes)";
2565 printFields(OS, "Size of this header:", Str);
2566 Str = to_string(e->e_phentsize) + " (bytes)";
2567 printFields(OS, "Size of program headers:", Str);
2568 Str = to_string(e->e_phnum);
2569 printFields(OS, "Number of program headers:", Str);
2570 Str = to_string(e->e_shentsize) + " (bytes)";
2571 printFields(OS, "Size of section headers:", Str);
2572 Str = getSectionHeadersNumString(Obj);
2573 printFields(OS, "Number of section headers:", Str);
2574 Str = getSectionHeaderTableIndexString(Obj);
2575 printFields(OS, "Section header string table index:", Str);
2579 struct GroupMember {
2584 struct GroupSection {
2586 StringRef Signature;
2592 std::vector<GroupMember> Members;
2595 template <class ELFT>
2596 std::vector<GroupSection> getGroups(const ELFFile<ELFT> *Obj) {
2597 using Elf_Shdr = typename ELFT::Shdr;
2598 using Elf_Sym = typename ELFT::Sym;
2599 using Elf_Word = typename ELFT::Word;
2601 std::vector<GroupSection> Ret;
2603 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
2605 if (Sec.sh_type != ELF::SHT_GROUP)
2608 const Elf_Shdr *Symtab = unwrapOrError(Obj->getSection(Sec.sh_link));
2609 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
2610 const Elf_Sym *Sym =
2611 unwrapOrError(Obj->template getEntry<Elf_Sym>(Symtab, Sec.sh_info));
2613 unwrapOrError(Obj->template getSectionContentsAsArray<Elf_Word>(&Sec));
2615 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2616 StringRef Signature = StrTable.data() + Sym->st_name;
2617 Ret.push_back({Name,
2626 std::vector<GroupMember> &GM = Ret.back().Members;
2627 for (uint32_t Ndx : Data.slice(1)) {
2628 auto Sec = unwrapOrError(Obj->getSection(Ndx));
2629 const StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
2630 GM.push_back({Name, Ndx});
2636 DenseMap<uint64_t, const GroupSection *>
2637 mapSectionsToGroups(ArrayRef<GroupSection> Groups) {
2638 DenseMap<uint64_t, const GroupSection *> Ret;
2639 for (const GroupSection &G : Groups)
2640 for (const GroupMember &GM : G.Members)
2641 Ret.insert({GM.Index, &G});
2647 template <class ELFT> void GNUStyle<ELFT>::printGroupSections(const ELFO *Obj) {
2648 std::vector<GroupSection> V = getGroups<ELFT>(Obj);
2649 DenseMap<uint64_t, const GroupSection *> Map = mapSectionsToGroups(V);
2650 for (const GroupSection &G : V) {
2652 << getGroupType(G.Type) << " group section ["
2653 << format_decimal(G.Index, 5) << "] `" << G.Name << "' [" << G.Signature
2654 << "] contains " << G.Members.size() << " sections:\n"
2655 << " [Index] Name\n";
2656 for (const GroupMember &GM : G.Members) {
2657 const GroupSection *MainGroup = Map[GM.Index];
2658 if (MainGroup != &G) {
2660 errs() << "Error: section [" << format_decimal(GM.Index, 5)
2661 << "] in group section [" << format_decimal(G.Index, 5)
2662 << "] already in group section ["
2663 << format_decimal(MainGroup->Index, 5) << "]";
2667 OS << " [" << format_decimal(GM.Index, 5) << "] " << GM.Name << "\n";
2672 OS << "There are no section groups in this file.\n";
2675 template <class ELFT>
2676 void GNUStyle<ELFT>::printRelocation(const ELFO *Obj, const Elf_Shdr *SymTab,
2677 const Elf_Rela &R, bool IsRela) {
2678 std::string Offset, Info, Addend, Value;
2679 SmallString<32> RelocName;
2680 StringRef TargetName;
2681 const Elf_Sym *Sym = nullptr;
2682 unsigned Width = ELFT::Is64Bits ? 16 : 8;
2683 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
2685 // First two fields are bit width dependent. The rest of them are after are
2687 Field Fields[5] = {0, 10 + Bias, 19 + 2 * Bias, 42 + 2 * Bias, 53 + 2 * Bias};
2688 Obj->getRelocationTypeName(R.getType(Obj->isMips64EL()), RelocName);
2689 Sym = unwrapOrError(Obj->getRelocationSymbol(&R, SymTab));
2690 if (Sym && Sym->getType() == ELF::STT_SECTION) {
2691 const Elf_Shdr *Sec = unwrapOrError(
2692 Obj->getSection(Sym, SymTab, this->dumper()->getShndxTable()));
2693 TargetName = unwrapOrError(Obj->getSectionName(Sec));
2695 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
2696 TargetName = unwrapOrError(Sym->getName(StrTable));
2699 if (Sym && IsRela) {
2706 Offset = to_string(format_hex_no_prefix(R.r_offset, Width));
2707 Info = to_string(format_hex_no_prefix(R.r_info, Width));
2709 int64_t RelAddend = R.r_addend;
2711 Addend += to_hexString(std::abs(RelAddend), false);
2714 Value = to_string(format_hex_no_prefix(Sym->getValue(), Width));
2716 Fields[0].Str = Offset;
2717 Fields[1].Str = Info;
2718 Fields[2].Str = RelocName;
2719 Fields[3].Str = Value;
2720 Fields[4].Str = TargetName;
2721 for (auto &field : Fields)
2727 template <class ELFT> void GNUStyle<ELFT>::printRelocHeader(unsigned SType) {
2728 bool IsRela = SType == ELF::SHT_RELA || SType == ELF::SHT_ANDROID_RELA;
2729 bool IsRelr = SType == ELF::SHT_RELR || SType == ELF::SHT_ANDROID_RELR;
2734 if (IsRelr && opts::RawRelr)
2740 << " Symbol's Value Symbol's Name";
2742 OS << " Info Type Sym. Value Symbol's Name";
2748 template <class ELFT> void GNUStyle<ELFT>::printRelocations(const ELFO *Obj) {
2749 bool HasRelocSections = false;
2750 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
2751 if (Sec.sh_type != ELF::SHT_REL &&
2752 Sec.sh_type != ELF::SHT_RELA &&
2753 Sec.sh_type != ELF::SHT_RELR &&
2754 Sec.sh_type != ELF::SHT_ANDROID_REL &&
2755 Sec.sh_type != ELF::SHT_ANDROID_RELA &&
2756 Sec.sh_type != ELF::SHT_ANDROID_RELR)
2758 HasRelocSections = true;
2759 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2760 unsigned Entries = Sec.getEntityCount();
2761 std::vector<Elf_Rela> AndroidRelas;
2762 if (Sec.sh_type == ELF::SHT_ANDROID_REL ||
2763 Sec.sh_type == ELF::SHT_ANDROID_RELA) {
2764 // Android's packed relocation section needs to be unpacked first
2765 // to get the actual number of entries.
2766 AndroidRelas = unwrapOrError(Obj->android_relas(&Sec));
2767 Entries = AndroidRelas.size();
2769 std::vector<Elf_Rela> RelrRelas;
2770 if (!opts::RawRelr && (Sec.sh_type == ELF::SHT_RELR ||
2771 Sec.sh_type == ELF::SHT_ANDROID_RELR)) {
2772 // .relr.dyn relative relocation section needs to be unpacked first
2773 // to get the actual number of entries.
2774 Elf_Relr_Range Relrs = unwrapOrError(Obj->relrs(&Sec));
2775 RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
2776 Entries = RelrRelas.size();
2778 uintX_t Offset = Sec.sh_offset;
2779 OS << "\nRelocation section '" << Name << "' at offset 0x"
2780 << to_hexString(Offset, false) << " contains " << Entries
2782 printRelocHeader(Sec.sh_type);
2783 const Elf_Shdr *SymTab = unwrapOrError(Obj->getSection(Sec.sh_link));
2784 switch (Sec.sh_type) {
2786 for (const auto &R : unwrapOrError(Obj->rels(&Sec))) {
2788 Rela.r_offset = R.r_offset;
2789 Rela.r_info = R.r_info;
2791 printRelocation(Obj, SymTab, Rela, false);
2795 for (const auto &R : unwrapOrError(Obj->relas(&Sec)))
2796 printRelocation(Obj, SymTab, R, true);
2799 case ELF::SHT_ANDROID_RELR:
2801 for (const auto &R : unwrapOrError(Obj->relrs(&Sec)))
2802 OS << to_string(format_hex_no_prefix(R, ELFT::Is64Bits ? 16 : 8))
2805 for (const auto &R : RelrRelas)
2806 printRelocation(Obj, SymTab, R, false);
2808 case ELF::SHT_ANDROID_REL:
2809 case ELF::SHT_ANDROID_RELA:
2810 for (const auto &R : AndroidRelas)
2811 printRelocation(Obj, SymTab, R, Sec.sh_type == ELF::SHT_ANDROID_RELA);
2815 if (!HasRelocSections)
2816 OS << "\nThere are no relocations in this file.\n";
2819 std::string getSectionTypeString(unsigned Arch, unsigned Type) {
2820 using namespace ELF;
2827 case SHT_ARM_PREEMPTMAP:
2828 return "ARM_PREEMPTMAP";
2829 case SHT_ARM_ATTRIBUTES:
2830 return "ARM_ATTRIBUTES";
2831 case SHT_ARM_DEBUGOVERLAY:
2832 return "ARM_DEBUGOVERLAY";
2833 case SHT_ARM_OVERLAYSECTION:
2834 return "ARM_OVERLAYSECTION";
2839 case SHT_X86_64_UNWIND:
2840 return "X86_64_UNWIND";
2844 case EM_MIPS_RS3_LE:
2846 case SHT_MIPS_REGINFO:
2847 return "MIPS_REGINFO";
2848 case SHT_MIPS_OPTIONS:
2849 return "MIPS_OPTIONS";
2850 case SHT_MIPS_ABIFLAGS:
2851 return "MIPS_ABIFLAGS";
2852 case SHT_MIPS_DWARF:
2853 return "SHT_MIPS_DWARF";
2882 case SHT_INIT_ARRAY:
2883 return "INIT_ARRAY";
2884 case SHT_FINI_ARRAY:
2885 return "FINI_ARRAY";
2886 case SHT_PREINIT_ARRAY:
2887 return "PREINIT_ARRAY";
2890 case SHT_SYMTAB_SHNDX:
2891 return "SYMTAB SECTION INDICES";
2893 case SHT_ANDROID_RELR:
2895 case SHT_LLVM_ODRTAB:
2896 return "LLVM_ODRTAB";
2897 case SHT_LLVM_LINKER_OPTIONS:
2898 return "LLVM_LINKER_OPTIONS";
2899 case SHT_LLVM_CALL_GRAPH_PROFILE:
2900 return "LLVM_CALL_GRAPH_PROFILE";
2901 case SHT_LLVM_ADDRSIG:
2902 return "LLVM_ADDRSIG";
2903 // FIXME: Parse processor specific GNU attributes
2904 case SHT_GNU_ATTRIBUTES:
2905 return "ATTRIBUTES";
2908 case SHT_GNU_verdef:
2910 case SHT_GNU_verneed:
2912 case SHT_GNU_versym:
2920 template <class ELFT>
2921 void GNUStyle<ELFT>::printSectionHeaders(const ELFO *Obj) {
2922 size_t SectionIndex = 0;
2923 std::string Number, Type, Size, Address, Offset, Flags, Link, Info, EntrySize,
2928 if (ELFT::Is64Bits) {
2936 ArrayRef<Elf_Shdr> Sections = unwrapOrError(Obj->sections());
2937 OS << "There are " << to_string(Sections.size())
2938 << " section headers, starting at offset "
2939 << "0x" << to_hexString(Obj->getHeader()->e_shoff, false) << ":\n\n";
2940 OS << "Section Headers:\n";
2941 Field Fields[11] = {{"[Nr]", 2},
2946 {"Size", 65 - Bias},
2952 for (auto &f : Fields)
2956 for (const Elf_Shdr &Sec : Sections) {
2957 Number = to_string(SectionIndex);
2958 Fields[0].Str = Number;
2959 Fields[1].Str = unwrapOrError(Obj->getSectionName(&Sec));
2960 Type = getSectionTypeString(Obj->getHeader()->e_machine, Sec.sh_type);
2961 Fields[2].Str = Type;
2962 Address = to_string(format_hex_no_prefix(Sec.sh_addr, Width));
2963 Fields[3].Str = Address;
2964 Offset = to_string(format_hex_no_prefix(Sec.sh_offset, 6));
2965 Fields[4].Str = Offset;
2966 Size = to_string(format_hex_no_prefix(Sec.sh_size, 6));
2967 Fields[5].Str = Size;
2968 EntrySize = to_string(format_hex_no_prefix(Sec.sh_entsize, 2));
2969 Fields[6].Str = EntrySize;
2970 Flags = getGNUFlags(Sec.sh_flags);
2971 Fields[7].Str = Flags;
2972 Link = to_string(Sec.sh_link);
2973 Fields[8].Str = Link;
2974 Info = to_string(Sec.sh_info);
2975 Fields[9].Str = Info;
2976 Alignment = to_string(Sec.sh_addralign);
2977 Fields[10].Str = Alignment;
2978 OS.PadToColumn(Fields[0].Column);
2979 OS << "[" << right_justify(Fields[0].Str, 2) << "]";
2980 for (int i = 1; i < 7; i++)
2981 printField(Fields[i]);
2982 OS.PadToColumn(Fields[7].Column);
2983 OS << right_justify(Fields[7].Str, 3);
2984 OS.PadToColumn(Fields[8].Column);
2985 OS << right_justify(Fields[8].Str, 2);
2986 OS.PadToColumn(Fields[9].Column);
2987 OS << right_justify(Fields[9].Str, 3);
2988 OS.PadToColumn(Fields[10].Column);
2989 OS << right_justify(Fields[10].Str, 2);
2993 OS << "Key to Flags:\n"
2994 << " W (write), A (alloc), X (execute), M (merge), S (strings), l "
2996 << " I (info), L (link order), G (group), T (TLS), E (exclude),\
2998 << " O (extra OS processing required) o (OS specific),\
2999 p (processor specific)\n";
3002 template <class ELFT>
3003 void GNUStyle<ELFT>::printSymtabMessage(const ELFO *Obj, StringRef Name,
3006 OS << "\nSymbol table '" << Name << "' contains " << Entries
3009 OS << "\n Symbol table for image:\n";
3012 OS << " Num: Value Size Type Bind Vis Ndx Name\n";
3014 OS << " Num: Value Size Type Bind Vis Ndx Name\n";
3017 template <class ELFT>
3018 std::string GNUStyle<ELFT>::getSymbolSectionNdx(const ELFO *Obj,
3019 const Elf_Sym *Symbol,
3020 const Elf_Sym *FirstSym) {
3021 unsigned SectionIndex = Symbol->st_shndx;
3022 switch (SectionIndex) {
3023 case ELF::SHN_UNDEF:
3027 case ELF::SHN_COMMON:
3029 case ELF::SHN_XINDEX:
3030 SectionIndex = unwrapOrError(object::getExtendedSymbolTableIndex<ELFT>(
3031 Symbol, FirstSym, this->dumper()->getShndxTable()));
3035 // Processor specific
3036 if (SectionIndex >= ELF::SHN_LOPROC && SectionIndex <= ELF::SHN_HIPROC)
3037 return std::string("PRC[0x") +
3038 to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
3040 if (SectionIndex >= ELF::SHN_LOOS && SectionIndex <= ELF::SHN_HIOS)
3041 return std::string("OS[0x") +
3042 to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
3043 // Architecture reserved:
3044 if (SectionIndex >= ELF::SHN_LORESERVE &&
3045 SectionIndex <= ELF::SHN_HIRESERVE)
3046 return std::string("RSV[0x") +
3047 to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
3048 // A normal section with an index
3049 return to_string(format_decimal(SectionIndex, 3));
3053 template <class ELFT>
3054 void GNUStyle<ELFT>::printSymbol(const ELFO *Obj, const Elf_Sym *Symbol,
3055 const Elf_Sym *FirstSym, StringRef StrTable,
3058 static bool Dynamic = true;
3061 // If this function was called with a different value from IsDynamic
3062 // from last call, happens when we move from dynamic to static symbol
3063 // table, "Num" field should be reset.
3064 if (!Dynamic != !IsDynamic) {
3068 std::string Num, Name, Value, Size, Binding, Type, Visibility, Section;
3070 if (ELFT::Is64Bits) {
3077 Field Fields[8] = {0, 8, 17 + Bias, 23 + Bias,
3078 31 + Bias, 38 + Bias, 47 + Bias, 51 + Bias};
3079 Num = to_string(format_decimal(Idx++, 6)) + ":";
3080 Value = to_string(format_hex_no_prefix(Symbol->st_value, Width));
3081 Size = to_string(format_decimal(Symbol->st_size, 5));
3082 unsigned char SymbolType = Symbol->getType();
3083 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
3084 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
3085 Type = printEnum(SymbolType, makeArrayRef(AMDGPUSymbolTypes));
3087 Type = printEnum(SymbolType, makeArrayRef(ElfSymbolTypes));
3088 unsigned Vis = Symbol->getVisibility();
3089 Binding = printEnum(Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
3090 Visibility = printEnum(Vis, makeArrayRef(ElfSymbolVisibilities));
3091 Section = getSymbolSectionNdx(Obj, Symbol, FirstSym);
3092 Name = this->dumper()->getFullSymbolName(Symbol, StrTable, IsDynamic);
3093 Fields[0].Str = Num;
3094 Fields[1].Str = Value;
3095 Fields[2].Str = Size;
3096 Fields[3].Str = Type;
3097 Fields[4].Str = Binding;
3098 Fields[5].Str = Visibility;
3099 Fields[6].Str = Section;
3100 Fields[7].Str = Name;
3101 for (auto &Entry : Fields)
3105 template <class ELFT>
3106 void GNUStyle<ELFT>::printHashedSymbol(const ELFO *Obj, const Elf_Sym *FirstSym,
3107 uint32_t Sym, StringRef StrTable,
3109 std::string Num, Buc, Name, Value, Size, Binding, Type, Visibility, Section;
3110 unsigned Width, Bias = 0;
3111 if (ELFT::Is64Bits) {
3118 Field Fields[9] = {0, 6, 11, 20 + Bias, 25 + Bias,
3119 34 + Bias, 41 + Bias, 49 + Bias, 53 + Bias};
3120 Num = to_string(format_decimal(Sym, 5));
3121 Buc = to_string(format_decimal(Bucket, 3)) + ":";
3123 const auto Symbol = FirstSym + Sym;
3124 Value = to_string(format_hex_no_prefix(Symbol->st_value, Width));
3125 Size = to_string(format_decimal(Symbol->st_size, 5));
3126 unsigned char SymbolType = Symbol->getType();
3127 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
3128 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
3129 Type = printEnum(SymbolType, makeArrayRef(AMDGPUSymbolTypes));
3131 Type = printEnum(SymbolType, makeArrayRef(ElfSymbolTypes));
3132 unsigned Vis = Symbol->getVisibility();
3133 Binding = printEnum(Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
3134 Visibility = printEnum(Vis, makeArrayRef(ElfSymbolVisibilities));
3135 Section = getSymbolSectionNdx(Obj, Symbol, FirstSym);
3136 Name = this->dumper()->getFullSymbolName(Symbol, StrTable, true);
3137 Fields[0].Str = Num;
3138 Fields[1].Str = Buc;
3139 Fields[2].Str = Value;
3140 Fields[3].Str = Size;
3141 Fields[4].Str = Type;
3142 Fields[5].Str = Binding;
3143 Fields[6].Str = Visibility;
3144 Fields[7].Str = Section;
3145 Fields[8].Str = Name;
3146 for (auto &Entry : Fields)
3151 template <class ELFT> void GNUStyle<ELFT>::printSymbols(const ELFO *Obj) {
3152 if (opts::DynamicSymbols)
3154 this->dumper()->printSymbolsHelper(true);
3155 this->dumper()->printSymbolsHelper(false);
3158 template <class ELFT>
3159 void GNUStyle<ELFT>::printDynamicSymbols(const ELFO *Obj) {
3160 if (this->dumper()->getDynamicStringTable().empty())
3162 auto StringTable = this->dumper()->getDynamicStringTable();
3163 auto DynSyms = this->dumper()->dynamic_symbols();
3164 auto GnuHash = this->dumper()->getGnuHashTable();
3165 auto SysVHash = this->dumper()->getHashTable();
3167 // If no hash or .gnu.hash found, try using symbol table
3168 if (GnuHash == nullptr && SysVHash == nullptr)
3169 this->dumper()->printSymbolsHelper(true);
3171 // Try printing .hash
3172 if (this->dumper()->getHashTable()) {
3173 OS << "\n Symbol table of .hash for image:\n";
3175 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
3177 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
3180 uint32_t NBuckets = SysVHash->nbucket;
3181 uint32_t NChains = SysVHash->nchain;
3182 auto Buckets = SysVHash->buckets();
3183 auto Chains = SysVHash->chains();
3184 for (uint32_t Buc = 0; Buc < NBuckets; Buc++) {
3185 if (Buckets[Buc] == ELF::STN_UNDEF)
3187 for (uint32_t Ch = Buckets[Buc]; Ch < NChains; Ch = Chains[Ch]) {
3188 if (Ch == ELF::STN_UNDEF)
3190 printHashedSymbol(Obj, &DynSyms[0], Ch, StringTable, Buc);
3195 // Try printing .gnu.hash
3197 OS << "\n Symbol table of .gnu.hash for image:\n";
3199 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
3201 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
3203 uint32_t NBuckets = GnuHash->nbuckets;
3204 auto Buckets = GnuHash->buckets();
3205 for (uint32_t Buc = 0; Buc < NBuckets; Buc++) {
3206 if (Buckets[Buc] == ELF::STN_UNDEF)
3208 uint32_t Index = Buckets[Buc];
3209 uint32_t GnuHashable = Index - GnuHash->symndx;
3210 // Print whole chain
3212 printHashedSymbol(Obj, &DynSyms[0], Index++, StringTable, Buc);
3213 // Chain ends at symbol with stopper bit
3214 if ((GnuHash->values(DynSyms.size())[GnuHashable++] & 1) == 1)
3221 static inline std::string printPhdrFlags(unsigned Flag) {
3223 Str = (Flag & PF_R) ? "R" : " ";
3224 Str += (Flag & PF_W) ? "W" : " ";
3225 Str += (Flag & PF_X) ? "E" : " ";
3229 // SHF_TLS sections are only in PT_TLS, PT_LOAD or PT_GNU_RELRO
3230 // PT_TLS must only have SHF_TLS sections
3231 template <class ELFT>
3232 bool GNUStyle<ELFT>::checkTLSSections(const Elf_Phdr &Phdr,
3233 const Elf_Shdr &Sec) {
3234 return (((Sec.sh_flags & ELF::SHF_TLS) &&
3235 ((Phdr.p_type == ELF::PT_TLS) || (Phdr.p_type == ELF::PT_LOAD) ||
3236 (Phdr.p_type == ELF::PT_GNU_RELRO))) ||
3237 (!(Sec.sh_flags & ELF::SHF_TLS) && Phdr.p_type != ELF::PT_TLS));
3240 // Non-SHT_NOBITS must have its offset inside the segment
3241 // Only non-zero section can be at end of segment
3242 template <class ELFT>
3243 bool GNUStyle<ELFT>::checkoffsets(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
3244 if (Sec.sh_type == ELF::SHT_NOBITS)
3247 (Sec.sh_type == ELF::SHT_NOBITS) && ((Sec.sh_flags & ELF::SHF_TLS) != 0);
3248 // .tbss is special, it only has memory in PT_TLS and has NOBITS properties
3250 (IsSpecial && Phdr.p_type != ELF::PT_TLS) ? 0 : Sec.sh_size;
3251 if (Sec.sh_offset >= Phdr.p_offset)
3252 return ((Sec.sh_offset + SectionSize <= Phdr.p_filesz + Phdr.p_offset)
3253 /*only non-zero sized sections at end*/ &&
3254 (Sec.sh_offset + 1 <= Phdr.p_offset + Phdr.p_filesz));
3258 // SHF_ALLOC must have VMA inside segment
3259 // Only non-zero section can be at end of segment
3260 template <class ELFT>
3261 bool GNUStyle<ELFT>::checkVMA(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
3262 if (!(Sec.sh_flags & ELF::SHF_ALLOC))
3265 (Sec.sh_type == ELF::SHT_NOBITS) && ((Sec.sh_flags & ELF::SHF_TLS) != 0);
3266 // .tbss is special, it only has memory in PT_TLS and has NOBITS properties
3268 (IsSpecial && Phdr.p_type != ELF::PT_TLS) ? 0 : Sec.sh_size;
3269 if (Sec.sh_addr >= Phdr.p_vaddr)
3270 return ((Sec.sh_addr + SectionSize <= Phdr.p_vaddr + Phdr.p_memsz) &&
3271 (Sec.sh_addr + 1 <= Phdr.p_vaddr + Phdr.p_memsz));
3275 // No section with zero size must be at start or end of PT_DYNAMIC
3276 template <class ELFT>
3277 bool GNUStyle<ELFT>::checkPTDynamic(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
3278 if (Phdr.p_type != ELF::PT_DYNAMIC || Sec.sh_size != 0 || Phdr.p_memsz == 0)
3280 // Is section within the phdr both based on offset and VMA ?
3281 return ((Sec.sh_type == ELF::SHT_NOBITS) ||
3282 (Sec.sh_offset > Phdr.p_offset &&
3283 Sec.sh_offset < Phdr.p_offset + Phdr.p_filesz)) &&
3284 (!(Sec.sh_flags & ELF::SHF_ALLOC) ||
3285 (Sec.sh_addr > Phdr.p_vaddr && Sec.sh_addr < Phdr.p_memsz));
3288 template <class ELFT>
3289 void GNUStyle<ELFT>::printProgramHeaders(const ELFO *Obj) {
3290 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
3291 unsigned Width = ELFT::Is64Bits ? 18 : 10;
3292 unsigned SizeWidth = ELFT::Is64Bits ? 8 : 7;
3293 std::string Type, Offset, VMA, LMA, FileSz, MemSz, Flag, Align;
3295 const Elf_Ehdr *Header = Obj->getHeader();
3296 Field Fields[8] = {2, 17, 26, 37 + Bias,
3297 48 + Bias, 56 + Bias, 64 + Bias, 68 + Bias};
3298 OS << "\nElf file type is "
3299 << printEnum(Header->e_type, makeArrayRef(ElfObjectFileType)) << "\n"
3300 << "Entry point " << format_hex(Header->e_entry, 3) << "\n"
3301 << "There are " << Header->e_phnum << " program headers,"
3302 << " starting at offset " << Header->e_phoff << "\n\n"
3303 << "Program Headers:\n";
3305 OS << " Type Offset VirtAddr PhysAddr "
3306 << " FileSiz MemSiz Flg Align\n";
3308 OS << " Type Offset VirtAddr PhysAddr FileSiz "
3309 << "MemSiz Flg Align\n";
3310 for (const auto &Phdr : unwrapOrError(Obj->program_headers())) {
3311 Type = getElfPtType(Header->e_machine, Phdr.p_type);
3312 Offset = to_string(format_hex(Phdr.p_offset, 8));
3313 VMA = to_string(format_hex(Phdr.p_vaddr, Width));
3314 LMA = to_string(format_hex(Phdr.p_paddr, Width));
3315 FileSz = to_string(format_hex(Phdr.p_filesz, SizeWidth));
3316 MemSz = to_string(format_hex(Phdr.p_memsz, SizeWidth));
3317 Flag = printPhdrFlags(Phdr.p_flags);
3318 Align = to_string(format_hex(Phdr.p_align, 1));
3319 Fields[0].Str = Type;
3320 Fields[1].Str = Offset;
3321 Fields[2].Str = VMA;
3322 Fields[3].Str = LMA;
3323 Fields[4].Str = FileSz;
3324 Fields[5].Str = MemSz;
3325 Fields[6].Str = Flag;
3326 Fields[7].Str = Align;
3327 for (auto Field : Fields)
3329 if (Phdr.p_type == ELF::PT_INTERP) {
3330 OS << "\n [Requesting program interpreter: ";
3331 OS << reinterpret_cast<const char *>(Obj->base()) + Phdr.p_offset << "]";
3335 OS << "\n Section to Segment mapping:\n Segment Sections...\n";
3337 for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
3338 std::string Sections;
3339 OS << format(" %2.2d ", Phnum++);
3340 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
3341 // Check if each section is in a segment and then print mapping.
3342 // readelf additionally makes sure it does not print zero sized sections
3343 // at end of segments and for PT_DYNAMIC both start and end of section
3344 // .tbss must only be shown in PT_TLS section.
3345 bool TbssInNonTLS = (Sec.sh_type == ELF::SHT_NOBITS) &&
3346 ((Sec.sh_flags & ELF::SHF_TLS) != 0) &&
3347 Phdr.p_type != ELF::PT_TLS;
3348 if (!TbssInNonTLS && checkTLSSections(Phdr, Sec) &&
3349 checkoffsets(Phdr, Sec) && checkVMA(Phdr, Sec) &&
3350 checkPTDynamic(Phdr, Sec) && (Sec.sh_type != ELF::SHT_NULL))
3351 Sections += unwrapOrError(Obj->getSectionName(&Sec)).str() + " ";
3353 OS << Sections << "\n";
3358 template <class ELFT>
3359 void GNUStyle<ELFT>::printDynamicRelocation(const ELFO *Obj, Elf_Rela R,
3361 SmallString<32> RelocName;
3362 StringRef SymbolName;
3363 unsigned Width = ELFT::Is64Bits ? 16 : 8;
3364 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
3365 // First two fields are bit width dependent. The rest of them are after are
3367 Field Fields[5] = {0, 10 + Bias, 19 + 2 * Bias, 42 + 2 * Bias, 53 + 2 * Bias};
3369 uint32_t SymIndex = R.getSymbol(Obj->isMips64EL());
3370 const Elf_Sym *Sym = this->dumper()->dynamic_symbols().begin() + SymIndex;
3371 Obj->getRelocationTypeName(R.getType(Obj->isMips64EL()), RelocName);
3373 unwrapOrError(Sym->getName(this->dumper()->getDynamicStringTable()));
3374 std::string Addend, Info, Offset, Value;
3375 Offset = to_string(format_hex_no_prefix(R.r_offset, Width));
3376 Info = to_string(format_hex_no_prefix(R.r_info, Width));
3377 Value = to_string(format_hex_no_prefix(Sym->getValue(), Width));
3378 int64_t RelAddend = R.r_addend;
3379 if (!SymbolName.empty() && IsRela) {
3386 if (SymbolName.empty() && Sym->getValue() == 0)
3390 Addend += to_string(format_hex_no_prefix(std::abs(RelAddend), 1));
3393 Fields[0].Str = Offset;
3394 Fields[1].Str = Info;
3395 Fields[2].Str = RelocName.c_str();
3396 Fields[3].Str = Value;
3397 Fields[4].Str = SymbolName;
3398 for (auto &Field : Fields)
3404 template <class ELFT>
3405 void GNUStyle<ELFT>::printDynamicRelocations(const ELFO *Obj) {
3406 const DynRegionInfo &DynRelRegion = this->dumper()->getDynRelRegion();
3407 const DynRegionInfo &DynRelaRegion = this->dumper()->getDynRelaRegion();
3408 const DynRegionInfo &DynRelrRegion = this->dumper()->getDynRelrRegion();
3409 const DynRegionInfo &DynPLTRelRegion = this->dumper()->getDynPLTRelRegion();
3410 if (DynRelaRegion.Size > 0) {
3411 OS << "\n'RELA' relocation section at offset "
3412 << format_hex(reinterpret_cast<const uint8_t *>(DynRelaRegion.Addr) -
3414 1) << " contains " << DynRelaRegion.Size << " bytes:\n";
3415 printRelocHeader(ELF::SHT_RELA);
3416 for (const Elf_Rela &Rela : this->dumper()->dyn_relas())
3417 printDynamicRelocation(Obj, Rela, true);
3419 if (DynRelRegion.Size > 0) {
3420 OS << "\n'REL' relocation section at offset "
3421 << format_hex(reinterpret_cast<const uint8_t *>(DynRelRegion.Addr) -
3423 1) << " contains " << DynRelRegion.Size << " bytes:\n";
3424 printRelocHeader(ELF::SHT_REL);
3425 for (const Elf_Rel &Rel : this->dumper()->dyn_rels()) {
3427 Rela.r_offset = Rel.r_offset;
3428 Rela.r_info = Rel.r_info;
3430 printDynamicRelocation(Obj, Rela, false);
3433 if (DynRelrRegion.Size > 0) {
3434 OS << "\n'RELR' relocation section at offset "
3435 << format_hex(reinterpret_cast<const uint8_t *>(DynRelrRegion.Addr) -
3437 1) << " contains " << DynRelrRegion.Size << " bytes:\n";
3438 printRelocHeader(ELF::SHT_REL);
3439 Elf_Relr_Range Relrs = this->dumper()->dyn_relrs();
3440 std::vector<Elf_Rela> RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
3441 for (const Elf_Rela &Rela : RelrRelas) {
3442 printDynamicRelocation(Obj, Rela, false);
3445 if (DynPLTRelRegion.Size) {
3446 OS << "\n'PLT' relocation section at offset "
3447 << format_hex(reinterpret_cast<const uint8_t *>(DynPLTRelRegion.Addr) -
3449 1) << " contains " << DynPLTRelRegion.Size << " bytes:\n";
3451 if (DynPLTRelRegion.EntSize == sizeof(Elf_Rela)) {
3452 printRelocHeader(ELF::SHT_RELA);
3453 for (const Elf_Rela &Rela : DynPLTRelRegion.getAsArrayRef<Elf_Rela>())
3454 printDynamicRelocation(Obj, Rela, true);
3456 printRelocHeader(ELF::SHT_REL);
3457 for (const Elf_Rel &Rel : DynPLTRelRegion.getAsArrayRef<Elf_Rel>()) {
3459 Rela.r_offset = Rel.r_offset;
3460 Rela.r_info = Rel.r_info;
3462 printDynamicRelocation(Obj, Rela, false);
3467 // Hash histogram shows statistics of how efficient the hash was for the
3468 // dynamic symbol table. The table shows number of hash buckets for different
3469 // lengths of chains as absolute number and percentage of the total buckets.
3470 // Additionally cumulative coverage of symbols for each set of buckets.
3471 template <class ELFT>
3472 void GNUStyle<ELFT>::printHashHistogram(const ELFFile<ELFT> *Obj) {
3474 const Elf_Hash *HashTable = this->dumper()->getHashTable();
3475 const Elf_GnuHash *GnuHashTable = this->dumper()->getGnuHashTable();
3477 // Print histogram for .hash section
3479 size_t NBucket = HashTable->nbucket;
3480 size_t NChain = HashTable->nchain;
3481 ArrayRef<Elf_Word> Buckets = HashTable->buckets();
3482 ArrayRef<Elf_Word> Chains = HashTable->chains();
3483 size_t TotalSyms = 0;
3484 // If hash table is correct, we have at least chains with 0 length
3485 size_t MaxChain = 1;
3486 size_t CumulativeNonZero = 0;
3488 if (NChain == 0 || NBucket == 0)
3491 std::vector<size_t> ChainLen(NBucket, 0);
3492 // Go over all buckets and and note chain lengths of each bucket (total
3493 // unique chain lengths).
3494 for (size_t B = 0; B < NBucket; B++) {
3495 for (size_t C = Buckets[B]; C > 0 && C < NChain; C = Chains[C])
3496 if (MaxChain <= ++ChainLen[B])
3498 TotalSyms += ChainLen[B];
3504 std::vector<size_t> Count(MaxChain, 0) ;
3505 // Count how long is the chain for each bucket
3506 for (size_t B = 0; B < NBucket; B++)
3507 ++Count[ChainLen[B]];
3508 // Print Number of buckets with each chain lengths and their cumulative
3509 // coverage of the symbols
3510 OS << "Histogram for bucket list length (total of " << NBucket
3512 << " Length Number % of total Coverage\n";
3513 for (size_t I = 0; I < MaxChain; I++) {
3514 CumulativeNonZero += Count[I] * I;
3515 OS << format("%7lu %-10lu (%5.1f%%) %5.1f%%\n", I, Count[I],
3516 (Count[I] * 100.0) / NBucket,
3517 (CumulativeNonZero * 100.0) / TotalSyms);
3521 // Print histogram for .gnu.hash section
3523 size_t NBucket = GnuHashTable->nbuckets;
3524 ArrayRef<Elf_Word> Buckets = GnuHashTable->buckets();
3525 unsigned NumSyms = this->dumper()->dynamic_symbols().size();
3528 ArrayRef<Elf_Word> Chains = GnuHashTable->values(NumSyms);
3529 size_t Symndx = GnuHashTable->symndx;
3530 size_t TotalSyms = 0;
3531 size_t MaxChain = 1;
3532 size_t CumulativeNonZero = 0;
3534 if (Chains.empty() || NBucket == 0)
3537 std::vector<size_t> ChainLen(NBucket, 0);
3539 for (size_t B = 0; B < NBucket; B++) {
3543 for (size_t C = Buckets[B] - Symndx;
3544 C < Chains.size() && (Chains[C] & 1) == 0; C++)
3545 if (MaxChain < ++Len)
3555 std::vector<size_t> Count(MaxChain, 0) ;
3556 for (size_t B = 0; B < NBucket; B++)
3557 ++Count[ChainLen[B]];
3558 // Print Number of buckets with each chain lengths and their cumulative
3559 // coverage of the symbols
3560 OS << "Histogram for `.gnu.hash' bucket list length (total of " << NBucket
3562 << " Length Number % of total Coverage\n";
3563 for (size_t I = 0; I <MaxChain; I++) {
3564 CumulativeNonZero += Count[I] * I;
3565 OS << format("%7lu %-10lu (%5.1f%%) %5.1f%%\n", I, Count[I],
3566 (Count[I] * 100.0) / NBucket,
3567 (CumulativeNonZero * 100.0) / TotalSyms);
3572 template <class ELFT>
3573 void GNUStyle<ELFT>::printCGProfile(const ELFFile<ELFT> *Obj) {
3574 OS << "GNUStyle::printCGProfile not implemented\n";
3577 template <class ELFT>
3578 void GNUStyle<ELFT>::printAddrsig(const ELFFile<ELFT> *Obj) {
3579 OS << "GNUStyle::printAddrsig not implemented\n";
3582 static std::string getGNUNoteTypeName(const uint32_t NT) {
3583 static const struct {
3587 {ELF::NT_GNU_ABI_TAG, "NT_GNU_ABI_TAG (ABI version tag)"},
3588 {ELF::NT_GNU_HWCAP, "NT_GNU_HWCAP (DSO-supplied software HWCAP info)"},
3589 {ELF::NT_GNU_BUILD_ID, "NT_GNU_BUILD_ID (unique build ID bitstring)"},
3590 {ELF::NT_GNU_GOLD_VERSION, "NT_GNU_GOLD_VERSION (gold version)"},
3591 {ELF::NT_GNU_PROPERTY_TYPE_0, "NT_GNU_PROPERTY_TYPE_0 (property note)"},
3594 for (const auto &Note : Notes)
3596 return std::string(Note.Name);
3599 raw_string_ostream OS(string);
3600 OS << format("Unknown note type (0x%08x)", NT);
3604 static std::string getFreeBSDNoteTypeName(const uint32_t NT) {
3605 static const struct {
3609 {ELF::NT_FREEBSD_THRMISC, "NT_THRMISC (thrmisc structure)"},
3610 {ELF::NT_FREEBSD_PROCSTAT_PROC, "NT_PROCSTAT_PROC (proc data)"},
3611 {ELF::NT_FREEBSD_PROCSTAT_FILES, "NT_PROCSTAT_FILES (files data)"},
3612 {ELF::NT_FREEBSD_PROCSTAT_VMMAP, "NT_PROCSTAT_VMMAP (vmmap data)"},
3613 {ELF::NT_FREEBSD_PROCSTAT_GROUPS, "NT_PROCSTAT_GROUPS (groups data)"},
3614 {ELF::NT_FREEBSD_PROCSTAT_UMASK, "NT_PROCSTAT_UMASK (umask data)"},
3615 {ELF::NT_FREEBSD_PROCSTAT_RLIMIT, "NT_PROCSTAT_RLIMIT (rlimit data)"},
3616 {ELF::NT_FREEBSD_PROCSTAT_OSREL, "NT_PROCSTAT_OSREL (osreldate data)"},
3617 {ELF::NT_FREEBSD_PROCSTAT_PSSTRINGS,
3618 "NT_PROCSTAT_PSSTRINGS (ps_strings data)"},
3619 {ELF::NT_FREEBSD_PROCSTAT_AUXV, "NT_PROCSTAT_AUXV (auxv data)"},
3622 for (const auto &Note : Notes)
3624 return std::string(Note.Name);
3627 raw_string_ostream OS(string);
3628 OS << format("Unknown note type (0x%08x)", NT);
3632 static std::string getAMDNoteTypeName(const uint32_t NT) {
3633 static const struct {
3637 {ELF::NT_AMD_AMDGPU_HSA_METADATA,
3638 "NT_AMD_AMDGPU_HSA_METADATA (HSA Metadata)"},
3639 {ELF::NT_AMD_AMDGPU_ISA,
3640 "NT_AMD_AMDGPU_ISA (ISA Version)"},
3641 {ELF::NT_AMD_AMDGPU_PAL_METADATA,
3642 "NT_AMD_AMDGPU_PAL_METADATA (PAL Metadata)"}
3645 for (const auto &Note : Notes)
3647 return std::string(Note.Name);
3650 raw_string_ostream OS(string);
3651 OS << format("Unknown note type (0x%08x)", NT);
3655 static std::string getAMDGPUNoteTypeName(const uint32_t NT) {
3656 if (NT == ELF::NT_AMDGPU_METADATA)
3657 return std::string("NT_AMDGPU_METADATA (AMDGPU Metadata)");
3660 raw_string_ostream OS(string);
3661 OS << format("Unknown note type (0x%08x)", NT);
3665 template <typename ELFT>
3666 static std::string getGNUProperty(uint32_t Type, uint32_t DataSize,
3667 ArrayRef<uint8_t> Data) {
3669 raw_string_ostream OS(str);
3672 OS << format("<application-specific type 0x%x>", Type);
3674 case GNU_PROPERTY_STACK_SIZE: {
3675 OS << "stack size: ";
3676 if (DataSize == sizeof(typename ELFT::uint))
3677 OS << formatv("{0:x}",
3678 (uint64_t)(*(const typename ELFT::Addr *)Data.data()));
3680 OS << format("<corrupt length: 0x%x>", DataSize);
3683 case GNU_PROPERTY_NO_COPY_ON_PROTECTED:
3684 OS << "no copy on protected";
3686 OS << format(" <corrupt length: 0x%x>", DataSize);
3688 case GNU_PROPERTY_X86_FEATURE_1_AND:
3689 OS << "X86 features: ";
3690 if (DataSize != 4 && DataSize != 8) {
3691 OS << format("<corrupt length: 0x%x>", DataSize);
3694 uint64_t CFProtection =
3696 ? support::endian::read32<ELFT::TargetEndianness>(Data.data())
3697 : support::endian::read64<ELFT::TargetEndianness>(Data.data());
3698 if (CFProtection == 0) {
3702 if (CFProtection & GNU_PROPERTY_X86_FEATURE_1_IBT) {
3704 CFProtection &= ~GNU_PROPERTY_X86_FEATURE_1_IBT;
3708 if (CFProtection & GNU_PROPERTY_X86_FEATURE_1_SHSTK) {
3710 CFProtection &= ~GNU_PROPERTY_X86_FEATURE_1_SHSTK;
3715 OS << format("<unknown flags: 0x%llx>", CFProtection);
3720 template <typename ELFT>
3721 static SmallVector<std::string, 4>
3722 getGNUPropertyList(ArrayRef<uint8_t> Arr) {
3723 using Elf_Word = typename ELFT::Word;
3725 SmallVector<std::string, 4> Properties;
3726 while (Arr.size() >= 8) {
3727 uint32_t Type = *reinterpret_cast<const Elf_Word *>(Arr.data());
3728 uint32_t DataSize = *reinterpret_cast<const Elf_Word *>(Arr.data() + 4);
3729 Arr = Arr.drop_front(8);
3731 // Take padding size into account if present.
3732 uint64_t PaddedSize = alignTo(DataSize, sizeof(typename ELFT::uint));
3734 raw_string_ostream OS(str);
3735 if (Arr.size() < PaddedSize) {
3736 OS << format("<corrupt type (0x%x) datasz: 0x%x>", Type, DataSize);
3737 Properties.push_back(OS.str());
3740 Properties.push_back(
3741 getGNUProperty<ELFT>(Type, DataSize, Arr.take_front(PaddedSize)));
3742 Arr = Arr.drop_front(PaddedSize);
3746 Properties.push_back("<corrupted GNU_PROPERTY_TYPE_0>");
3757 template <typename ELFT>
3758 static GNUAbiTag getGNUAbiTag(ArrayRef<uint8_t> Desc) {
3759 typedef typename ELFT::Word Elf_Word;
3761 ArrayRef<Elf_Word> Words(reinterpret_cast<const Elf_Word*>(Desc.begin()),
3762 reinterpret_cast<const Elf_Word*>(Desc.end()));
3764 if (Words.size() < 4)
3765 return {"", "", /*IsValid=*/false};
3767 static const char *OSNames[] = {
3768 "Linux", "Hurd", "Solaris", "FreeBSD", "NetBSD", "Syllable", "NaCl",
3770 StringRef OSName = "Unknown";
3771 if (Words[0] < array_lengthof(OSNames))
3772 OSName = OSNames[Words[0]];
3773 uint32_t Major = Words[1], Minor = Words[2], Patch = Words[3];
3775 raw_string_ostream ABI(str);
3776 ABI << Major << "." << Minor << "." << Patch;
3777 return {OSName, ABI.str(), /*IsValid=*/true};
3780 static std::string getGNUBuildId(ArrayRef<uint8_t> Desc) {
3782 raw_string_ostream OS(str);
3783 for (const auto &B : Desc)
3784 OS << format_hex_no_prefix(B, 2);
3788 static StringRef getGNUGoldVersion(ArrayRef<uint8_t> Desc) {
3789 return StringRef(reinterpret_cast<const char *>(Desc.data()), Desc.size());
3792 template <typename ELFT>
3793 static void printGNUNote(raw_ostream &OS, uint32_t NoteType,
3794 ArrayRef<uint8_t> Desc) {
3798 case ELF::NT_GNU_ABI_TAG: {
3799 const GNUAbiTag &AbiTag = getGNUAbiTag<ELFT>(Desc);
3800 if (!AbiTag.IsValid)
3801 OS << " <corrupt GNU_ABI_TAG>";
3803 OS << " OS: " << AbiTag.OSName << ", ABI: " << AbiTag.ABI;
3806 case ELF::NT_GNU_BUILD_ID: {
3807 OS << " Build ID: " << getGNUBuildId(Desc);
3810 case ELF::NT_GNU_GOLD_VERSION:
3811 OS << " Version: " << getGNUGoldVersion(Desc);
3813 case ELF::NT_GNU_PROPERTY_TYPE_0:
3814 OS << " Properties:";
3815 for (const auto &Property : getGNUPropertyList<ELFT>(Desc))
3816 OS << " " << Property << "\n";
3827 template <typename ELFT>
3828 static AMDNote getAMDNote(uint32_t NoteType, ArrayRef<uint8_t> Desc) {
3832 case ELF::NT_AMD_AMDGPU_HSA_METADATA:
3833 return {"HSA Metadata",
3834 std::string(reinterpret_cast<const char *>(Desc.data()),
3836 case ELF::NT_AMD_AMDGPU_ISA:
3837 return {"ISA Version",
3838 std::string(reinterpret_cast<const char *>(Desc.data()),
3840 case ELF::NT_AMD_AMDGPU_PAL_METADATA:
3841 const uint32_t *PALMetadataBegin =
3842 reinterpret_cast<const uint32_t *>(Desc.data());
3843 const uint32_t *PALMetadataEnd = PALMetadataBegin + Desc.size();
3844 std::vector<uint32_t> PALMetadata(PALMetadataBegin, PALMetadataEnd);
3845 std::string PALMetadataString;
3846 auto Error = AMDGPU::PALMD::toString(PALMetadata, PALMetadataString);
3848 return {"PAL Metadata", "Invalid"};
3850 return {"PAL Metadata", PALMetadataString};
3859 template <typename ELFT>
3860 static AMDGPUNote getAMDGPUNote(uint32_t NoteType, ArrayRef<uint8_t> Desc) {
3864 case ELF::NT_AMDGPU_METADATA:
3865 auto MsgPackString =
3866 StringRef(reinterpret_cast<const char *>(Desc.data()), Desc.size());
3867 msgpack::Reader MsgPackReader(MsgPackString);
3868 auto OptMsgPackNodeOrErr = msgpack::Node::read(MsgPackReader);
3869 if (errorToBool(OptMsgPackNodeOrErr.takeError()))
3870 return {"AMDGPU Metadata", "Invalid AMDGPU Metadata"};
3871 auto &OptMsgPackNode = *OptMsgPackNodeOrErr;
3872 if (!OptMsgPackNode)
3873 return {"AMDGPU Metadata", "Invalid AMDGPU Metadata"};
3874 auto &MsgPackNode = *OptMsgPackNode;
3876 AMDGPU::HSAMD::V3::MetadataVerifier Verifier(true);
3877 if (!Verifier.verify(*MsgPackNode))
3878 return {"AMDGPU Metadata", "Invalid AMDGPU Metadata"};
3880 std::string HSAMetadataString;
3881 raw_string_ostream StrOS(HSAMetadataString);
3882 yaml::Output YOut(StrOS);
3883 YOut << MsgPackNode;
3885 return {"AMDGPU Metadata", StrOS.str()};
3889 template <class ELFT>
3890 void GNUStyle<ELFT>::printNotes(const ELFFile<ELFT> *Obj) {
3891 const Elf_Ehdr *e = Obj->getHeader();
3892 bool IsCore = e->e_type == ELF::ET_CORE;
3894 auto PrintHeader = [&](const typename ELFT::Off Offset,
3895 const typename ELFT::Addr Size) {
3896 OS << "Displaying notes found at file offset " << format_hex(Offset, 10)
3897 << " with length " << format_hex(Size, 10) << ":\n"
3898 << " Owner Data size\tDescription\n";
3901 auto ProcessNote = [&](const Elf_Note &Note) {
3902 StringRef Name = Note.getName();
3903 ArrayRef<uint8_t> Descriptor = Note.getDesc();
3904 Elf_Word Type = Note.getType();
3906 OS << " " << Name << std::string(22 - Name.size(), ' ')
3907 << format_hex(Descriptor.size(), 10) << '\t';
3909 if (Name == "GNU") {
3910 OS << getGNUNoteTypeName(Type) << '\n';
3911 printGNUNote<ELFT>(OS, Type, Descriptor);
3912 } else if (Name == "FreeBSD") {
3913 OS << getFreeBSDNoteTypeName(Type) << '\n';
3914 } else if (Name == "AMD") {
3915 OS << getAMDNoteTypeName(Type) << '\n';
3916 const AMDNote N = getAMDNote<ELFT>(Type, Descriptor);
3917 if (!N.Type.empty())
3918 OS << " " << N.Type << ":\n " << N.Value << '\n';
3919 } else if (Name == "AMDGPU") {
3920 OS << getAMDGPUNoteTypeName(Type) << '\n';
3921 const AMDGPUNote N = getAMDGPUNote<ELFT>(Type, Descriptor);
3922 if (!N.Type.empty())
3923 OS << " " << N.Type << ":\n " << N.Value << '\n';
3925 OS << "Unknown note type: (" << format_hex(Type, 10) << ')';
3931 for (const auto &P : unwrapOrError(Obj->program_headers())) {
3932 if (P.p_type != PT_NOTE)
3934 PrintHeader(P.p_offset, P.p_filesz);
3935 Error Err = Error::success();
3936 for (const auto &Note : Obj->notes(P, Err))
3939 error(std::move(Err));
3942 for (const auto &S : unwrapOrError(Obj->sections())) {
3943 if (S.sh_type != SHT_NOTE)
3945 PrintHeader(S.sh_offset, S.sh_size);
3946 Error Err = Error::success();
3947 for (const auto &Note : Obj->notes(S, Err))
3950 error(std::move(Err));
3955 template <class ELFT>
3956 void GNUStyle<ELFT>::printELFLinkerOptions(const ELFFile<ELFT> *Obj) {
3957 OS << "printELFLinkerOptions not implemented!\n";
3960 template <class ELFT>
3961 void GNUStyle<ELFT>::printMipsGOT(const MipsGOTParser<ELFT> &Parser) {
3962 size_t Bias = ELFT::Is64Bits ? 8 : 0;
3963 auto PrintEntry = [&](const Elf_Addr *E, StringRef Purpose) {
3965 OS << format_hex_no_prefix(Parser.getGotAddress(E), 8 + Bias);
3966 OS.PadToColumn(11 + Bias);
3967 OS << format_decimal(Parser.getGotOffset(E), 6) << "(gp)";
3968 OS.PadToColumn(22 + Bias);
3969 OS << format_hex_no_prefix(*E, 8 + Bias);
3970 OS.PadToColumn(31 + 2 * Bias);
3971 OS << Purpose << "\n";
3974 OS << (Parser.IsStatic ? "Static GOT:\n" : "Primary GOT:\n");
3975 OS << " Canonical gp value: "
3976 << format_hex_no_prefix(Parser.getGp(), 8 + Bias) << "\n\n";
3978 OS << " Reserved entries:\n";
3979 OS << " Address Access Initial Purpose\n";
3980 PrintEntry(Parser.getGotLazyResolver(), "Lazy resolver");
3981 if (Parser.getGotModulePointer())
3982 PrintEntry(Parser.getGotModulePointer(), "Module pointer (GNU extension)");
3984 if (!Parser.getLocalEntries().empty()) {
3986 OS << " Local entries:\n";
3987 OS << " Address Access Initial\n";
3988 for (auto &E : Parser.getLocalEntries())
3992 if (Parser.IsStatic)
3995 if (!Parser.getGlobalEntries().empty()) {
3997 OS << " Global entries:\n";
3998 OS << " Address Access Initial Sym.Val. Type Ndx Name\n";
3999 for (auto &E : Parser.getGlobalEntries()) {
4000 const Elf_Sym *Sym = Parser.getGotSym(&E);
4001 std::string SymName = this->dumper()->getFullSymbolName(
4002 Sym, this->dumper()->getDynamicStringTable(), false);
4005 OS << to_string(format_hex_no_prefix(Parser.getGotAddress(&E), 8 + Bias));
4006 OS.PadToColumn(11 + Bias);
4007 OS << to_string(format_decimal(Parser.getGotOffset(&E), 6)) + "(gp)";
4008 OS.PadToColumn(22 + Bias);
4009 OS << to_string(format_hex_no_prefix(E, 8 + Bias));
4010 OS.PadToColumn(31 + 2 * Bias);
4011 OS << to_string(format_hex_no_prefix(Sym->st_value, 8 + Bias));
4012 OS.PadToColumn(40 + 3 * Bias);
4013 OS << printEnum(Sym->getType(), makeArrayRef(ElfSymbolTypes));
4014 OS.PadToColumn(48 + 3 * Bias);
4015 OS << getSymbolSectionNdx(Parser.Obj, Sym,
4016 this->dumper()->dynamic_symbols().begin());
4017 OS.PadToColumn(52 + 3 * Bias);
4018 OS << SymName << "\n";
4022 if (!Parser.getOtherEntries().empty())
4023 OS << "\n Number of TLS and multi-GOT entries "
4024 << Parser.getOtherEntries().size() << "\n";
4027 template <class ELFT>
4028 void GNUStyle<ELFT>::printMipsPLT(const MipsGOTParser<ELFT> &Parser) {
4029 size_t Bias = ELFT::Is64Bits ? 8 : 0;
4030 auto PrintEntry = [&](const Elf_Addr *E, StringRef Purpose) {
4032 OS << format_hex_no_prefix(Parser.getGotAddress(E), 8 + Bias);
4033 OS.PadToColumn(11 + Bias);
4034 OS << format_hex_no_prefix(*E, 8 + Bias);
4035 OS.PadToColumn(20 + 2 * Bias);
4036 OS << Purpose << "\n";
4039 OS << "PLT GOT:\n\n";
4041 OS << " Reserved entries:\n";
4042 OS << " Address Initial Purpose\n";
4043 PrintEntry(Parser.getPltLazyResolver(), "PLT lazy resolver");
4044 if (Parser.getPltModulePointer())
4045 PrintEntry(Parser.getGotModulePointer(), "Module pointer");
4047 if (!Parser.getPltEntries().empty()) {
4049 OS << " Entries:\n";
4050 OS << " Address Initial Sym.Val. Type Ndx Name\n";
4051 for (auto &E : Parser.getPltEntries()) {
4052 const Elf_Sym *Sym = Parser.getPltSym(&E);
4053 std::string SymName = this->dumper()->getFullSymbolName(
4054 Sym, this->dumper()->getDynamicStringTable(), false);
4057 OS << to_string(format_hex_no_prefix(Parser.getGotAddress(&E), 8 + Bias));
4058 OS.PadToColumn(11 + Bias);
4059 OS << to_string(format_hex_no_prefix(E, 8 + Bias));
4060 OS.PadToColumn(20 + 2 * Bias);
4061 OS << to_string(format_hex_no_prefix(Sym->st_value, 8 + Bias));
4062 OS.PadToColumn(29 + 3 * Bias);
4063 OS << printEnum(Sym->getType(), makeArrayRef(ElfSymbolTypes));
4064 OS.PadToColumn(37 + 3 * Bias);
4065 OS << getSymbolSectionNdx(Parser.Obj, Sym,
4066 this->dumper()->dynamic_symbols().begin());
4067 OS.PadToColumn(41 + 3 * Bias);
4068 OS << SymName << "\n";
4073 template <class ELFT> void LLVMStyle<ELFT>::printFileHeaders(const ELFO *Obj) {
4074 const Elf_Ehdr *e = Obj->getHeader();
4076 DictScope D(W, "ElfHeader");
4078 DictScope D(W, "Ident");
4079 W.printBinary("Magic", makeArrayRef(e->e_ident).slice(ELF::EI_MAG0, 4));
4080 W.printEnum("Class", e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
4081 W.printEnum("DataEncoding", e->e_ident[ELF::EI_DATA],
4082 makeArrayRef(ElfDataEncoding));
4083 W.printNumber("FileVersion", e->e_ident[ELF::EI_VERSION]);
4085 auto OSABI = makeArrayRef(ElfOSABI);
4086 if (e->e_ident[ELF::EI_OSABI] >= ELF::ELFOSABI_FIRST_ARCH &&
4087 e->e_ident[ELF::EI_OSABI] <= ELF::ELFOSABI_LAST_ARCH) {
4088 switch (e->e_machine) {
4089 case ELF::EM_AMDGPU:
4090 OSABI = makeArrayRef(AMDGPUElfOSABI);
4093 OSABI = makeArrayRef(ARMElfOSABI);
4095 case ELF::EM_TI_C6000:
4096 OSABI = makeArrayRef(C6000ElfOSABI);
4100 W.printEnum("OS/ABI", e->e_ident[ELF::EI_OSABI], OSABI);
4101 W.printNumber("ABIVersion", e->e_ident[ELF::EI_ABIVERSION]);
4102 W.printBinary("Unused", makeArrayRef(e->e_ident).slice(ELF::EI_PAD));
4105 W.printEnum("Type", e->e_type, makeArrayRef(ElfObjectFileType));
4106 W.printEnum("Machine", e->e_machine, makeArrayRef(ElfMachineType));
4107 W.printNumber("Version", e->e_version);
4108 W.printHex("Entry", e->e_entry);
4109 W.printHex("ProgramHeaderOffset", e->e_phoff);
4110 W.printHex("SectionHeaderOffset", e->e_shoff);
4111 if (e->e_machine == EM_MIPS)
4112 W.printFlags("Flags", e->e_flags, makeArrayRef(ElfHeaderMipsFlags),
4113 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
4114 unsigned(ELF::EF_MIPS_MACH));
4115 else if (e->e_machine == EM_AMDGPU)
4116 W.printFlags("Flags", e->e_flags, makeArrayRef(ElfHeaderAMDGPUFlags),
4117 unsigned(ELF::EF_AMDGPU_MACH));
4118 else if (e->e_machine == EM_RISCV)
4119 W.printFlags("Flags", e->e_flags, makeArrayRef(ElfHeaderRISCVFlags));
4121 W.printFlags("Flags", e->e_flags);
4122 W.printNumber("HeaderSize", e->e_ehsize);
4123 W.printNumber("ProgramHeaderEntrySize", e->e_phentsize);
4124 W.printNumber("ProgramHeaderCount", e->e_phnum);
4125 W.printNumber("SectionHeaderEntrySize", e->e_shentsize);
4126 W.printString("SectionHeaderCount", getSectionHeadersNumString(Obj));
4127 W.printString("StringTableSectionIndex", getSectionHeaderTableIndexString(Obj));
4131 template <class ELFT>
4132 void LLVMStyle<ELFT>::printGroupSections(const ELFO *Obj) {
4133 DictScope Lists(W, "Groups");
4134 std::vector<GroupSection> V = getGroups<ELFT>(Obj);
4135 DenseMap<uint64_t, const GroupSection *> Map = mapSectionsToGroups(V);
4136 for (const GroupSection &G : V) {
4137 DictScope D(W, "Group");
4138 W.printNumber("Name", G.Name, G.ShName);
4139 W.printNumber("Index", G.Index);
4140 W.printNumber("Link", G.Link);
4141 W.printNumber("Info", G.Info);
4142 W.printHex("Type", getGroupType(G.Type), G.Type);
4143 W.startLine() << "Signature: " << G.Signature << "\n";
4145 ListScope L(W, "Section(s) in group");
4146 for (const GroupMember &GM : G.Members) {
4147 const GroupSection *MainGroup = Map[GM.Index];
4148 if (MainGroup != &G) {
4150 errs() << "Error: " << GM.Name << " (" << GM.Index
4151 << ") in a group " + G.Name + " (" << G.Index
4152 << ") is already in a group " + MainGroup->Name + " ("
4153 << MainGroup->Index << ")\n";
4157 W.startLine() << GM.Name << " (" << GM.Index << ")\n";
4162 W.startLine() << "There are no group sections in the file.\n";
4165 template <class ELFT> void LLVMStyle<ELFT>::printRelocations(const ELFO *Obj) {
4166 ListScope D(W, "Relocations");
4168 int SectionNumber = -1;
4169 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
4172 if (Sec.sh_type != ELF::SHT_REL &&
4173 Sec.sh_type != ELF::SHT_RELA &&
4174 Sec.sh_type != ELF::SHT_RELR &&
4175 Sec.sh_type != ELF::SHT_ANDROID_REL &&
4176 Sec.sh_type != ELF::SHT_ANDROID_RELA &&
4177 Sec.sh_type != ELF::SHT_ANDROID_RELR)
4180 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
4182 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
4185 printRelocations(&Sec, Obj);
4188 W.startLine() << "}\n";
4192 template <class ELFT>
4193 void LLVMStyle<ELFT>::printRelocations(const Elf_Shdr *Sec, const ELFO *Obj) {
4194 const Elf_Shdr *SymTab = unwrapOrError(Obj->getSection(Sec->sh_link));
4196 switch (Sec->sh_type) {
4198 for (const Elf_Rel &R : unwrapOrError(Obj->rels(Sec))) {
4200 Rela.r_offset = R.r_offset;
4201 Rela.r_info = R.r_info;
4203 printRelocation(Obj, Rela, SymTab);
4207 for (const Elf_Rela &R : unwrapOrError(Obj->relas(Sec)))
4208 printRelocation(Obj, R, SymTab);
4211 case ELF::SHT_ANDROID_RELR: {
4212 Elf_Relr_Range Relrs = unwrapOrError(Obj->relrs(Sec));
4213 if (opts::RawRelr) {
4214 for (const Elf_Relr &R : Relrs)
4215 W.startLine() << W.hex(R) << "\n";
4217 std::vector<Elf_Rela> RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
4218 for (const Elf_Rela &R : RelrRelas)
4219 printRelocation(Obj, R, SymTab);
4223 case ELF::SHT_ANDROID_REL:
4224 case ELF::SHT_ANDROID_RELA:
4225 for (const Elf_Rela &R : unwrapOrError(Obj->android_relas(Sec)))
4226 printRelocation(Obj, R, SymTab);
4231 template <class ELFT>
4232 void LLVMStyle<ELFT>::printRelocation(const ELFO *Obj, Elf_Rela Rel,
4233 const Elf_Shdr *SymTab) {
4234 SmallString<32> RelocName;
4235 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
4236 StringRef TargetName;
4237 const Elf_Sym *Sym = unwrapOrError(Obj->getRelocationSymbol(&Rel, SymTab));
4238 if (Sym && Sym->getType() == ELF::STT_SECTION) {
4239 const Elf_Shdr *Sec = unwrapOrError(
4240 Obj->getSection(Sym, SymTab, this->dumper()->getShndxTable()));
4241 TargetName = unwrapOrError(Obj->getSectionName(Sec));
4243 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
4244 TargetName = unwrapOrError(Sym->getName(StrTable));
4247 if (opts::ExpandRelocs) {
4248 DictScope Group(W, "Relocation");
4249 W.printHex("Offset", Rel.r_offset);
4250 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
4251 W.printNumber("Symbol", !TargetName.empty() ? TargetName : "-",
4252 Rel.getSymbol(Obj->isMips64EL()));
4253 W.printHex("Addend", Rel.r_addend);
4255 raw_ostream &OS = W.startLine();
4256 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
4257 << (!TargetName.empty() ? TargetName : "-") << " "
4258 << W.hex(Rel.r_addend) << "\n";
4262 template <class ELFT>
4263 void LLVMStyle<ELFT>::printSectionHeaders(const ELFO *Obj) {
4264 ListScope SectionsD(W, "Sections");
4266 int SectionIndex = -1;
4267 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
4270 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
4272 DictScope SectionD(W, "Section");
4273 W.printNumber("Index", SectionIndex);
4274 W.printNumber("Name", Name, Sec.sh_name);
4277 object::getELFSectionTypeName(Obj->getHeader()->e_machine, Sec.sh_type),
4279 std::vector<EnumEntry<unsigned>> SectionFlags(std::begin(ElfSectionFlags),
4280 std::end(ElfSectionFlags));
4281 switch (Obj->getHeader()->e_machine) {
4283 SectionFlags.insert(SectionFlags.end(), std::begin(ElfARMSectionFlags),
4284 std::end(ElfARMSectionFlags));
4287 SectionFlags.insert(SectionFlags.end(),
4288 std::begin(ElfHexagonSectionFlags),
4289 std::end(ElfHexagonSectionFlags));
4292 SectionFlags.insert(SectionFlags.end(), std::begin(ElfMipsSectionFlags),
4293 std::end(ElfMipsSectionFlags));
4296 SectionFlags.insert(SectionFlags.end(), std::begin(ElfX86_64SectionFlags),
4297 std::end(ElfX86_64SectionFlags));
4300 SectionFlags.insert(SectionFlags.end(), std::begin(ElfXCoreSectionFlags),
4301 std::end(ElfXCoreSectionFlags));
4307 W.printFlags("Flags", Sec.sh_flags, makeArrayRef(SectionFlags));
4308 W.printHex("Address", Sec.sh_addr);
4309 W.printHex("Offset", Sec.sh_offset);
4310 W.printNumber("Size", Sec.sh_size);
4311 W.printNumber("Link", Sec.sh_link);
4312 W.printNumber("Info", Sec.sh_info);
4313 W.printNumber("AddressAlignment", Sec.sh_addralign);
4314 W.printNumber("EntrySize", Sec.sh_entsize);
4316 if (opts::SectionRelocations) {
4317 ListScope D(W, "Relocations");
4318 printRelocations(&Sec, Obj);
4321 if (opts::SectionSymbols) {
4322 ListScope D(W, "Symbols");
4323 const Elf_Shdr *Symtab = this->dumper()->getDotSymtabSec();
4324 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
4326 for (const Elf_Sym &Sym : unwrapOrError(Obj->symbols(Symtab))) {
4327 const Elf_Shdr *SymSec = unwrapOrError(
4328 Obj->getSection(&Sym, Symtab, this->dumper()->getShndxTable()));
4330 printSymbol(Obj, &Sym, unwrapOrError(Obj->symbols(Symtab)).begin(),
4335 if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
4336 ArrayRef<uint8_t> Data = unwrapOrError(Obj->getSectionContents(&Sec));
4337 W.printBinaryBlock("SectionData",
4338 StringRef((const char *)Data.data(), Data.size()));
4343 template <class ELFT>
4344 void LLVMStyle<ELFT>::printSymbol(const ELFO *Obj, const Elf_Sym *Symbol,
4345 const Elf_Sym *First, StringRef StrTable,
4347 unsigned SectionIndex = 0;
4348 StringRef SectionName;
4349 this->dumper()->getSectionNameIndex(Symbol, First, SectionName, SectionIndex);
4350 std::string FullSymbolName =
4351 this->dumper()->getFullSymbolName(Symbol, StrTable, IsDynamic);
4352 unsigned char SymbolType = Symbol->getType();
4354 DictScope D(W, "Symbol");
4355 W.printNumber("Name", FullSymbolName, Symbol->st_name);
4356 W.printHex("Value", Symbol->st_value);
4357 W.printNumber("Size", Symbol->st_size);
4358 W.printEnum("Binding", Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
4359 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
4360 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
4361 W.printEnum("Type", SymbolType, makeArrayRef(AMDGPUSymbolTypes));
4363 W.printEnum("Type", SymbolType, makeArrayRef(ElfSymbolTypes));
4364 if (Symbol->st_other == 0)
4365 // Usually st_other flag is zero. Do not pollute the output
4366 // by flags enumeration in that case.
4367 W.printNumber("Other", 0);
4369 std::vector<EnumEntry<unsigned>> SymOtherFlags(std::begin(ElfSymOtherFlags),
4370 std::end(ElfSymOtherFlags));
4371 if (Obj->getHeader()->e_machine == EM_MIPS) {
4372 // Someones in their infinite wisdom decided to make STO_MIPS_MIPS16
4373 // flag overlapped with other ST_MIPS_xxx flags. So consider both
4374 // cases separately.
4375 if ((Symbol->st_other & STO_MIPS_MIPS16) == STO_MIPS_MIPS16)
4376 SymOtherFlags.insert(SymOtherFlags.end(),
4377 std::begin(ElfMips16SymOtherFlags),
4378 std::end(ElfMips16SymOtherFlags));
4380 SymOtherFlags.insert(SymOtherFlags.end(),
4381 std::begin(ElfMipsSymOtherFlags),
4382 std::end(ElfMipsSymOtherFlags));
4384 W.printFlags("Other", Symbol->st_other, makeArrayRef(SymOtherFlags), 0x3u);
4386 W.printHex("Section", SectionName, SectionIndex);
4389 template <class ELFT> void LLVMStyle<ELFT>::printSymbols(const ELFO *Obj) {
4390 ListScope Group(W, "Symbols");
4391 this->dumper()->printSymbolsHelper(false);
4394 template <class ELFT>
4395 void LLVMStyle<ELFT>::printDynamicSymbols(const ELFO *Obj) {
4396 ListScope Group(W, "DynamicSymbols");
4397 this->dumper()->printSymbolsHelper(true);
4400 template <class ELFT>
4401 void LLVMStyle<ELFT>::printDynamicRelocations(const ELFO *Obj) {
4402 const DynRegionInfo &DynRelRegion = this->dumper()->getDynRelRegion();
4403 const DynRegionInfo &DynRelaRegion = this->dumper()->getDynRelaRegion();
4404 const DynRegionInfo &DynRelrRegion = this->dumper()->getDynRelrRegion();
4405 const DynRegionInfo &DynPLTRelRegion = this->dumper()->getDynPLTRelRegion();
4406 if (DynRelRegion.Size && DynRelaRegion.Size)
4407 report_fatal_error("There are both REL and RELA dynamic relocations");
4408 W.startLine() << "Dynamic Relocations {\n";
4410 if (DynRelaRegion.Size > 0)
4411 for (const Elf_Rela &Rela : this->dumper()->dyn_relas())
4412 printDynamicRelocation(Obj, Rela);
4414 for (const Elf_Rel &Rel : this->dumper()->dyn_rels()) {
4416 Rela.r_offset = Rel.r_offset;
4417 Rela.r_info = Rel.r_info;
4419 printDynamicRelocation(Obj, Rela);
4421 if (DynRelrRegion.Size > 0) {
4422 Elf_Relr_Range Relrs = this->dumper()->dyn_relrs();
4423 std::vector<Elf_Rela> RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
4424 for (const Elf_Rela &Rela : RelrRelas)
4425 printDynamicRelocation(Obj, Rela);
4427 if (DynPLTRelRegion.EntSize == sizeof(Elf_Rela))
4428 for (const Elf_Rela &Rela : DynPLTRelRegion.getAsArrayRef<Elf_Rela>())
4429 printDynamicRelocation(Obj, Rela);
4431 for (const Elf_Rel &Rel : DynPLTRelRegion.getAsArrayRef<Elf_Rel>()) {
4433 Rela.r_offset = Rel.r_offset;
4434 Rela.r_info = Rel.r_info;
4436 printDynamicRelocation(Obj, Rela);
4439 W.startLine() << "}\n";
4442 template <class ELFT>
4443 void LLVMStyle<ELFT>::printDynamicRelocation(const ELFO *Obj, Elf_Rela Rel) {
4444 SmallString<32> RelocName;
4445 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
4446 StringRef SymbolName;
4447 uint32_t SymIndex = Rel.getSymbol(Obj->isMips64EL());
4448 const Elf_Sym *Sym = this->dumper()->dynamic_symbols().begin() + SymIndex;
4450 unwrapOrError(Sym->getName(this->dumper()->getDynamicStringTable()));
4451 if (opts::ExpandRelocs) {
4452 DictScope Group(W, "Relocation");
4453 W.printHex("Offset", Rel.r_offset);
4454 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
4455 W.printString("Symbol", !SymbolName.empty() ? SymbolName : "-");
4456 W.printHex("Addend", Rel.r_addend);
4458 raw_ostream &OS = W.startLine();
4459 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
4460 << (!SymbolName.empty() ? SymbolName : "-") << " "
4461 << W.hex(Rel.r_addend) << "\n";
4465 template <class ELFT>
4466 void LLVMStyle<ELFT>::printProgramHeaders(const ELFO *Obj) {
4467 ListScope L(W, "ProgramHeaders");
4469 for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
4470 DictScope P(W, "ProgramHeader");
4472 getElfSegmentType(Obj->getHeader()->e_machine, Phdr.p_type),
4474 W.printHex("Offset", Phdr.p_offset);
4475 W.printHex("VirtualAddress", Phdr.p_vaddr);
4476 W.printHex("PhysicalAddress", Phdr.p_paddr);
4477 W.printNumber("FileSize", Phdr.p_filesz);
4478 W.printNumber("MemSize", Phdr.p_memsz);
4479 W.printFlags("Flags", Phdr.p_flags, makeArrayRef(ElfSegmentFlags));
4480 W.printNumber("Alignment", Phdr.p_align);
4484 template <class ELFT>
4485 void LLVMStyle<ELFT>::printHashHistogram(const ELFFile<ELFT> *Obj) {
4486 W.startLine() << "Hash Histogram not implemented!\n";
4489 template <class ELFT>
4490 void LLVMStyle<ELFT>::printCGProfile(const ELFFile<ELFT> *Obj) {
4491 ListScope L(W, "CGProfile");
4492 if (!this->dumper()->getDotCGProfileSec())
4495 unwrapOrError(Obj->template getSectionContentsAsArray<Elf_CGProfile>(
4496 this->dumper()->getDotCGProfileSec()));
4497 for (const Elf_CGProfile &CGPE : CGProfile) {
4498 DictScope D(W, "CGProfileEntry");
4499 W.printNumber("From", this->dumper()->getStaticSymbolName(CGPE.cgp_from),
4501 W.printNumber("To", this->dumper()->getStaticSymbolName(CGPE.cgp_to),
4503 W.printNumber("Weight", CGPE.cgp_weight);
4507 template <class ELFT>
4508 void LLVMStyle<ELFT>::printAddrsig(const ELFFile<ELFT> *Obj) {
4509 ListScope L(W, "Addrsig");
4510 if (!this->dumper()->getDotAddrsigSec())
4512 ArrayRef<uint8_t> Contents = unwrapOrError(
4513 Obj->getSectionContents(this->dumper()->getDotAddrsigSec()));
4514 const uint8_t *Cur = Contents.begin();
4515 const uint8_t *End = Contents.end();
4516 while (Cur != End) {
4519 uint64_t SymIndex = decodeULEB128(Cur, &Size, End, &Err);
4522 W.printNumber("Sym", this->dumper()->getStaticSymbolName(SymIndex),
4528 template <typename ELFT>
4529 static void printGNUNoteLLVMStyle(uint32_t NoteType,
4530 ArrayRef<uint8_t> Desc,
4535 case ELF::NT_GNU_ABI_TAG: {
4536 const GNUAbiTag &AbiTag = getGNUAbiTag<ELFT>(Desc);
4537 if (!AbiTag.IsValid) {
4538 W.printString("ABI", "<corrupt GNU_ABI_TAG>");
4540 W.printString("OS", AbiTag.OSName);
4541 W.printString("ABI", AbiTag.ABI);
4545 case ELF::NT_GNU_BUILD_ID: {
4546 W.printString("Build ID", getGNUBuildId(Desc));
4549 case ELF::NT_GNU_GOLD_VERSION:
4550 W.printString("Version", getGNUGoldVersion(Desc));
4552 case ELF::NT_GNU_PROPERTY_TYPE_0:
4553 ListScope D(W, "Property");
4554 for (const auto &Property : getGNUPropertyList<ELFT>(Desc))
4555 W.printString(Property);
4560 template <class ELFT>
4561 void LLVMStyle<ELFT>::printNotes(const ELFFile<ELFT> *Obj) {
4562 ListScope L(W, "Notes");
4563 const Elf_Ehdr *e = Obj->getHeader();
4564 bool IsCore = e->e_type == ELF::ET_CORE;
4566 auto PrintHeader = [&](const typename ELFT::Off Offset,
4567 const typename ELFT::Addr Size) {
4568 W.printHex("Offset", Offset);
4569 W.printHex("Size", Size);
4572 auto ProcessNote = [&](const Elf_Note &Note) {
4573 DictScope D2(W, "Note");
4574 StringRef Name = Note.getName();
4575 ArrayRef<uint8_t> Descriptor = Note.getDesc();
4576 Elf_Word Type = Note.getType();
4578 W.printString("Owner", Name);
4579 W.printHex("Data size", Descriptor.size());
4580 if (Name == "GNU") {
4581 W.printString("Type", getGNUNoteTypeName(Type));
4582 printGNUNoteLLVMStyle<ELFT>(Type, Descriptor, W);
4583 } else if (Name == "FreeBSD") {
4584 W.printString("Type", getFreeBSDNoteTypeName(Type));
4585 } else if (Name == "AMD") {
4586 W.printString("Type", getAMDNoteTypeName(Type));
4587 const AMDNote N = getAMDNote<ELFT>(Type, Descriptor);
4588 if (!N.Type.empty())
4589 W.printString(N.Type, N.Value);
4590 } else if (Name == "AMDGPU") {
4591 W.printString("Type", getAMDGPUNoteTypeName(Type));
4592 const AMDGPUNote N = getAMDGPUNote<ELFT>(Type, Descriptor);
4593 if (!N.Type.empty())
4594 W.printString(N.Type, N.Value);
4596 W.getOStream() << "Unknown note type: (" << format_hex(Type, 10) << ')';
4601 for (const auto &P : unwrapOrError(Obj->program_headers())) {
4602 if (P.p_type != PT_NOTE)
4604 DictScope D(W, "NoteSection");
4605 PrintHeader(P.p_offset, P.p_filesz);
4606 Error Err = Error::success();
4607 for (const auto &Note : Obj->notes(P, Err))
4610 error(std::move(Err));
4613 for (const auto &S : unwrapOrError(Obj->sections())) {
4614 if (S.sh_type != SHT_NOTE)
4616 DictScope D(W, "NoteSection");
4617 PrintHeader(S.sh_offset, S.sh_size);
4618 Error Err = Error::success();
4619 for (const auto &Note : Obj->notes(S, Err))
4622 error(std::move(Err));
4627 template <class ELFT>
4628 void LLVMStyle<ELFT>::printELFLinkerOptions(const ELFFile<ELFT> *Obj) {
4629 ListScope L(W, "LinkerOptions");
4631 for (const Elf_Shdr &Shdr : unwrapOrError(Obj->sections())) {
4632 if (Shdr.sh_type != ELF::SHT_LLVM_LINKER_OPTIONS)
4635 ArrayRef<uint8_t> Contents = unwrapOrError(Obj->getSectionContents(&Shdr));
4636 for (const uint8_t *P = Contents.begin(), *E = Contents.end(); P < E; ) {
4637 StringRef Key = StringRef(reinterpret_cast<const char *>(P));
4639 StringRef(reinterpret_cast<const char *>(P) + Key.size() + 1);
4641 W.printString(Key, Value);
4643 P = P + Key.size() + Value.size() + 2;
4648 template <class ELFT>
4649 void LLVMStyle<ELFT>::printMipsGOT(const MipsGOTParser<ELFT> &Parser) {
4650 auto PrintEntry = [&](const Elf_Addr *E) {
4651 W.printHex("Address", Parser.getGotAddress(E));
4652 W.printNumber("Access", Parser.getGotOffset(E));
4653 W.printHex("Initial", *E);
4656 DictScope GS(W, Parser.IsStatic ? "Static GOT" : "Primary GOT");
4658 W.printHex("Canonical gp value", Parser.getGp());
4660 ListScope RS(W, "Reserved entries");
4662 DictScope D(W, "Entry");
4663 PrintEntry(Parser.getGotLazyResolver());
4664 W.printString("Purpose", StringRef("Lazy resolver"));
4667 if (Parser.getGotModulePointer()) {
4668 DictScope D(W, "Entry");
4669 PrintEntry(Parser.getGotModulePointer());
4670 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
4674 ListScope LS(W, "Local entries");
4675 for (auto &E : Parser.getLocalEntries()) {
4676 DictScope D(W, "Entry");
4681 if (Parser.IsStatic)
4685 ListScope GS(W, "Global entries");
4686 for (auto &E : Parser.getGlobalEntries()) {
4687 DictScope D(W, "Entry");
4691 const Elf_Sym *Sym = Parser.getGotSym(&E);
4692 W.printHex("Value", Sym->st_value);
4693 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
4695 unsigned SectionIndex = 0;
4696 StringRef SectionName;
4697 this->dumper()->getSectionNameIndex(
4698 Sym, this->dumper()->dynamic_symbols().begin(), SectionName,
4700 W.printHex("Section", SectionName, SectionIndex);
4702 std::string SymName = this->dumper()->getFullSymbolName(
4703 Sym, this->dumper()->getDynamicStringTable(), true);
4704 W.printNumber("Name", SymName, Sym->st_name);
4708 W.printNumber("Number of TLS and multi-GOT entries",
4709 uint64_t(Parser.getOtherEntries().size()));
4712 template <class ELFT>
4713 void LLVMStyle<ELFT>::printMipsPLT(const MipsGOTParser<ELFT> &Parser) {
4714 auto PrintEntry = [&](const Elf_Addr *E) {
4715 W.printHex("Address", Parser.getPltAddress(E));
4716 W.printHex("Initial", *E);
4719 DictScope GS(W, "PLT GOT");
4722 ListScope RS(W, "Reserved entries");
4724 DictScope D(W, "Entry");
4725 PrintEntry(Parser.getPltLazyResolver());
4726 W.printString("Purpose", StringRef("PLT lazy resolver"));
4729 if (auto E = Parser.getPltModulePointer()) {
4730 DictScope D(W, "Entry");
4732 W.printString("Purpose", StringRef("Module pointer"));
4736 ListScope LS(W, "Entries");
4737 for (auto &E : Parser.getPltEntries()) {
4738 DictScope D(W, "Entry");
4741 const Elf_Sym *Sym = Parser.getPltSym(&E);
4742 W.printHex("Value", Sym->st_value);
4743 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
4745 unsigned SectionIndex = 0;
4746 StringRef SectionName;
4747 this->dumper()->getSectionNameIndex(
4748 Sym, this->dumper()->dynamic_symbols().begin(), SectionName,
4750 W.printHex("Section", SectionName, SectionIndex);
4752 std::string SymName =
4753 this->dumper()->getFullSymbolName(Sym, Parser.getPltStrTable(), true);
4754 W.printNumber("Name", SymName, Sym->st_name);