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 object::ELFObjectFile<ELFT> *ObjF, 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 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
187 if (DRI.Addr < Obj->base() ||
188 (const uint8_t *)DRI.Addr + DRI.Size > Obj->base() + Obj->getBufSize())
189 error(llvm::object::object_error::parse_failed);
193 DynRegionInfo createDRIFrom(const Elf_Phdr *P, uintX_t EntSize) {
194 return checkDRI({ObjF->getELFFile()->base() + P->p_offset, P->p_filesz, EntSize});
197 DynRegionInfo createDRIFrom(const Elf_Shdr *S) {
198 return checkDRI({ObjF->getELFFile()->base() + S->sh_offset, S->sh_size, S->sh_entsize});
201 void parseDynamicTable(ArrayRef<const Elf_Phdr *> LoadSegments);
203 void printValue(uint64_t Type, uint64_t Value);
205 StringRef getDynamicString(uint64_t Offset) const;
206 StringRef getSymbolVersion(StringRef StrTab, const Elf_Sym *symb,
207 bool &IsDefault) const;
208 void LoadVersionMap() const;
209 void LoadVersionNeeds(const Elf_Shdr *ec) const;
210 void LoadVersionDefs(const Elf_Shdr *sec) const;
212 const object::ELFObjectFile<ELFT> *ObjF;
213 DynRegionInfo DynRelRegion;
214 DynRegionInfo DynRelaRegion;
215 DynRegionInfo DynRelrRegion;
216 DynRegionInfo DynPLTRelRegion;
217 DynRegionInfo DynSymRegion;
218 DynRegionInfo DynamicTable;
219 StringRef DynamicStringTable;
221 const Elf_Hash *HashTable = nullptr;
222 const Elf_GnuHash *GnuHashTable = nullptr;
223 const Elf_Shdr *DotSymtabSec = nullptr;
224 const Elf_Shdr *DotCGProfileSec = nullptr;
225 const Elf_Shdr *DotAddrsigSec = nullptr;
226 StringRef DynSymtabName;
227 ArrayRef<Elf_Word> ShndxTable;
229 const Elf_Shdr *dot_gnu_version_sec = nullptr; // .gnu.version
230 const Elf_Shdr *dot_gnu_version_r_sec = nullptr; // .gnu.version_r
231 const Elf_Shdr *dot_gnu_version_d_sec = nullptr; // .gnu.version_d
233 // Records for each version index the corresponding Verdef or Vernaux entry.
234 // This is filled the first time LoadVersionMap() is called.
235 class VersionMapEntry : public PointerIntPair<const void *, 1> {
237 // If the integer is 0, this is an Elf_Verdef*.
238 // If the integer is 1, this is an Elf_Vernaux*.
239 VersionMapEntry() : PointerIntPair<const void *, 1>(nullptr, 0) {}
240 VersionMapEntry(const Elf_Verdef *verdef)
241 : PointerIntPair<const void *, 1>(verdef, 0) {}
242 VersionMapEntry(const Elf_Vernaux *vernaux)
243 : PointerIntPair<const void *, 1>(vernaux, 1) {}
245 bool isNull() const { return getPointer() == nullptr; }
246 bool isVerdef() const { return !isNull() && getInt() == 0; }
247 bool isVernaux() const { return !isNull() && getInt() == 1; }
248 const Elf_Verdef *getVerdef() const {
249 return isVerdef() ? (const Elf_Verdef *)getPointer() : nullptr;
251 const Elf_Vernaux *getVernaux() const {
252 return isVernaux() ? (const Elf_Vernaux *)getPointer() : nullptr;
255 mutable SmallVector<VersionMapEntry, 16> VersionMap;
258 Elf_Dyn_Range dynamic_table() const {
259 return DynamicTable.getAsArrayRef<Elf_Dyn>();
262 Elf_Sym_Range dynamic_symbols() const {
263 return DynSymRegion.getAsArrayRef<Elf_Sym>();
266 Elf_Rel_Range dyn_rels() const;
267 Elf_Rela_Range dyn_relas() const;
268 Elf_Relr_Range dyn_relrs() const;
269 std::string getFullSymbolName(const Elf_Sym *Symbol, StringRef StrTable,
270 bool IsDynamic) const;
271 void getSectionNameIndex(const Elf_Sym *Symbol, const Elf_Sym *FirstSym,
272 StringRef &SectionName,
273 unsigned &SectionIndex) const;
274 StringRef getStaticSymbolName(uint32_t Index) const;
276 void printSymbolsHelper(bool IsDynamic) const;
277 const Elf_Shdr *getDotSymtabSec() const { return DotSymtabSec; }
278 const Elf_Shdr *getDotCGProfileSec() const { return DotCGProfileSec; }
279 const Elf_Shdr *getDotAddrsigSec() const { return DotAddrsigSec; }
280 ArrayRef<Elf_Word> getShndxTable() const { return ShndxTable; }
281 StringRef getDynamicStringTable() const { return DynamicStringTable; }
282 const DynRegionInfo &getDynRelRegion() const { return DynRelRegion; }
283 const DynRegionInfo &getDynRelaRegion() const { return DynRelaRegion; }
284 const DynRegionInfo &getDynRelrRegion() const { return DynRelrRegion; }
285 const DynRegionInfo &getDynPLTRelRegion() const { return DynPLTRelRegion; }
286 const Elf_Hash *getHashTable() const { return HashTable; }
287 const Elf_GnuHash *getGnuHashTable() const { return GnuHashTable; }
290 template <class ELFT>
291 void ELFDumper<ELFT>::printSymbolsHelper(bool IsDynamic) const {
292 StringRef StrTable, SymtabName;
294 Elf_Sym_Range Syms(nullptr, nullptr);
295 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
297 StrTable = DynamicStringTable;
298 Syms = dynamic_symbols();
299 SymtabName = DynSymtabName;
300 if (DynSymRegion.Addr)
301 Entries = DynSymRegion.Size / DynSymRegion.EntSize;
305 StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec));
306 Syms = unwrapOrError(Obj->symbols(DotSymtabSec));
307 SymtabName = unwrapOrError(Obj->getSectionName(DotSymtabSec));
308 Entries = DotSymtabSec->getEntityCount();
310 if (Syms.begin() == Syms.end())
312 ELFDumperStyle->printSymtabMessage(Obj, SymtabName, Entries);
313 for (const auto &Sym : Syms)
314 ELFDumperStyle->printSymbol(Obj, &Sym, Syms.begin(), StrTable, IsDynamic);
317 template <class ELFT> class MipsGOTParser;
319 template <typename ELFT> class DumpStyle {
321 using Elf_Shdr = typename ELFT::Shdr;
322 using Elf_Sym = typename ELFT::Sym;
324 DumpStyle(ELFDumper<ELFT> *Dumper) : Dumper(Dumper) {}
325 virtual ~DumpStyle() = default;
327 virtual void printFileHeaders(const ELFFile<ELFT> *Obj) = 0;
328 virtual void printGroupSections(const ELFFile<ELFT> *Obj) = 0;
329 virtual void printRelocations(const ELFFile<ELFT> *Obj) = 0;
330 virtual void printSectionHeaders(const ELFFile<ELFT> *Obj) = 0;
331 virtual void printSymbols(const ELFFile<ELFT> *Obj) = 0;
332 virtual void printDynamicSymbols(const ELFFile<ELFT> *Obj) = 0;
333 virtual void printDynamicRelocations(const ELFFile<ELFT> *Obj) = 0;
334 virtual void printSymtabMessage(const ELFFile<ELFT> *obj, StringRef Name,
336 virtual void printSymbol(const ELFFile<ELFT> *Obj, const Elf_Sym *Symbol,
337 const Elf_Sym *FirstSym, StringRef StrTable,
339 virtual void printProgramHeaders(const ELFFile<ELFT> *Obj) = 0;
340 virtual void printHashHistogram(const ELFFile<ELFT> *Obj) = 0;
341 virtual void printCGProfile(const ELFFile<ELFT> *Obj) = 0;
342 virtual void printAddrsig(const ELFFile<ELFT> *Obj) = 0;
343 virtual void printNotes(const ELFFile<ELFT> *Obj) = 0;
344 virtual void printELFLinkerOptions(const ELFFile<ELFT> *Obj) = 0;
345 virtual void printMipsGOT(const MipsGOTParser<ELFT> &Parser) = 0;
346 virtual void printMipsPLT(const MipsGOTParser<ELFT> &Parser) = 0;
347 const ELFDumper<ELFT> *dumper() const { return Dumper; }
350 const ELFDumper<ELFT> *Dumper;
353 template <typename ELFT> class GNUStyle : public DumpStyle<ELFT> {
354 formatted_raw_ostream OS;
357 TYPEDEF_ELF_TYPES(ELFT)
359 GNUStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper)
360 : DumpStyle<ELFT>(Dumper), OS(W.getOStream()) {}
362 void printFileHeaders(const ELFO *Obj) override;
363 void printGroupSections(const ELFFile<ELFT> *Obj) override;
364 void printRelocations(const ELFO *Obj) override;
365 void printSectionHeaders(const ELFO *Obj) override;
366 void printSymbols(const ELFO *Obj) override;
367 void printDynamicSymbols(const ELFO *Obj) override;
368 void printDynamicRelocations(const ELFO *Obj) override;
369 void printSymtabMessage(const ELFO *Obj, StringRef Name,
370 size_t Offset) override;
371 void printProgramHeaders(const ELFO *Obj) override;
372 void printHashHistogram(const ELFFile<ELFT> *Obj) override;
373 void printCGProfile(const ELFFile<ELFT> *Obj) override;
374 void printAddrsig(const ELFFile<ELFT> *Obj) override;
375 void printNotes(const ELFFile<ELFT> *Obj) override;
376 void printELFLinkerOptions(const ELFFile<ELFT> *Obj) override;
377 void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override;
378 void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override;
385 Field(StringRef S, unsigned Col) : Str(S), Column(Col) {}
386 Field(unsigned Col) : Str(""), Column(Col) {}
389 template <typename T, typename TEnum>
390 std::string printEnum(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues) {
391 for (const auto &EnumItem : EnumValues)
392 if (EnumItem.Value == Value)
393 return EnumItem.AltName;
394 return to_hexString(Value, false);
397 template <typename T, typename TEnum>
398 std::string printFlags(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues,
399 TEnum EnumMask1 = {}, TEnum EnumMask2 = {},
400 TEnum EnumMask3 = {}) {
402 for (const auto &Flag : EnumValues) {
407 if (Flag.Value & EnumMask1)
408 EnumMask = EnumMask1;
409 else if (Flag.Value & EnumMask2)
410 EnumMask = EnumMask2;
411 else if (Flag.Value & EnumMask3)
412 EnumMask = EnumMask3;
413 bool IsEnum = (Flag.Value & EnumMask) != 0;
414 if ((!IsEnum && (Value & Flag.Value) == Flag.Value) ||
415 (IsEnum && (Value & EnumMask) == Flag.Value)) {
424 formatted_raw_ostream &printField(struct Field F) {
426 OS.PadToColumn(F.Column);
431 void printHashedSymbol(const ELFO *Obj, const Elf_Sym *FirstSym, uint32_t Sym,
432 StringRef StrTable, uint32_t Bucket);
433 void printRelocHeader(unsigned SType);
434 void printRelocation(const ELFO *Obj, const Elf_Shdr *SymTab,
435 const Elf_Rela &R, bool IsRela);
436 void printSymbol(const ELFO *Obj, const Elf_Sym *Symbol, const Elf_Sym *First,
437 StringRef StrTable, bool IsDynamic) override;
438 std::string getSymbolSectionNdx(const ELFO *Obj, const Elf_Sym *Symbol,
439 const Elf_Sym *FirstSym);
440 void printDynamicRelocation(const ELFO *Obj, Elf_Rela R, bool IsRela);
441 bool checkTLSSections(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
442 bool checkoffsets(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
443 bool checkVMA(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
444 bool checkPTDynamic(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
447 template <typename ELFT> class LLVMStyle : public DumpStyle<ELFT> {
449 TYPEDEF_ELF_TYPES(ELFT)
451 LLVMStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper)
452 : DumpStyle<ELFT>(Dumper), W(W) {}
454 void printFileHeaders(const ELFO *Obj) override;
455 void printGroupSections(const ELFFile<ELFT> *Obj) override;
456 void printRelocations(const ELFO *Obj) override;
457 void printRelocations(const Elf_Shdr *Sec, const ELFO *Obj);
458 void printSectionHeaders(const ELFO *Obj) override;
459 void printSymbols(const ELFO *Obj) override;
460 void printDynamicSymbols(const ELFO *Obj) override;
461 void printDynamicRelocations(const ELFO *Obj) override;
462 void printProgramHeaders(const ELFO *Obj) override;
463 void printHashHistogram(const ELFFile<ELFT> *Obj) override;
464 void printCGProfile(const ELFFile<ELFT> *Obj) override;
465 void printAddrsig(const ELFFile<ELFT> *Obj) override;
466 void printNotes(const ELFFile<ELFT> *Obj) override;
467 void printELFLinkerOptions(const ELFFile<ELFT> *Obj) override;
468 void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override;
469 void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override;
472 void printRelocation(const ELFO *Obj, Elf_Rela Rel, const Elf_Shdr *SymTab);
473 void printDynamicRelocation(const ELFO *Obj, Elf_Rela Rel);
474 void printSymbol(const ELFO *Obj, const Elf_Sym *Symbol, const Elf_Sym *First,
475 StringRef StrTable, bool IsDynamic) override;
480 } // end anonymous namespace
484 template <class ELFT>
485 static std::error_code createELFDumper(const ELFObjectFile<ELFT> *Obj,
486 ScopedPrinter &Writer,
487 std::unique_ptr<ObjDumper> &Result) {
488 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
489 return readobj_error::success;
492 std::error_code createELFDumper(const object::ObjectFile *Obj,
493 ScopedPrinter &Writer,
494 std::unique_ptr<ObjDumper> &Result) {
495 // Little-endian 32-bit
496 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
497 return createELFDumper(ELFObj, Writer, Result);
500 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
501 return createELFDumper(ELFObj, Writer, Result);
503 // Little-endian 64-bit
504 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
505 return createELFDumper(ELFObj, Writer, Result);
508 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
509 return createELFDumper(ELFObj, Writer, Result);
511 return readobj_error::unsupported_obj_file_format;
514 } // end namespace llvm
516 // Iterate through the versions needed section, and place each Elf_Vernaux
517 // in the VersionMap according to its index.
518 template <class ELFT>
519 void ELFDumper<ELFT>::LoadVersionNeeds(const Elf_Shdr *sec) const {
520 unsigned vn_size = sec->sh_size; // Size of section in bytes
521 unsigned vn_count = sec->sh_info; // Number of Verneed entries
522 const char *sec_start = (const char *)ObjF->getELFFile()->base() + sec->sh_offset;
523 const char *sec_end = sec_start + vn_size;
524 // The first Verneed entry is at the start of the section.
525 const char *p = sec_start;
526 for (unsigned i = 0; i < vn_count; i++) {
527 if (p + sizeof(Elf_Verneed) > sec_end)
528 report_fatal_error("Section ended unexpectedly while scanning "
529 "version needed records.");
530 const Elf_Verneed *vn = reinterpret_cast<const Elf_Verneed *>(p);
531 if (vn->vn_version != ELF::VER_NEED_CURRENT)
532 report_fatal_error("Unexpected verneed version");
533 // Iterate through the Vernaux entries
534 const char *paux = p + vn->vn_aux;
535 for (unsigned j = 0; j < vn->vn_cnt; j++) {
536 if (paux + sizeof(Elf_Vernaux) > sec_end)
537 report_fatal_error("Section ended unexpected while scanning auxiliary "
538 "version needed records.");
539 const Elf_Vernaux *vna = reinterpret_cast<const Elf_Vernaux *>(paux);
540 size_t index = vna->vna_other & ELF::VERSYM_VERSION;
541 if (index >= VersionMap.size())
542 VersionMap.resize(index + 1);
543 VersionMap[index] = VersionMapEntry(vna);
544 paux += vna->vna_next;
550 // Iterate through the version definitions, and place each Elf_Verdef
551 // in the VersionMap according to its index.
552 template <class ELFT>
553 void ELFDumper<ELFT>::LoadVersionDefs(const Elf_Shdr *sec) const {
554 unsigned vd_size = sec->sh_size; // Size of section in bytes
555 unsigned vd_count = sec->sh_info; // Number of Verdef entries
556 const char *sec_start = (const char *)ObjF->getELFFile()->base() + sec->sh_offset;
557 const char *sec_end = sec_start + vd_size;
558 // The first Verdef entry is at the start of the section.
559 const char *p = sec_start;
560 for (unsigned i = 0; i < vd_count; i++) {
561 if (p + sizeof(Elf_Verdef) > sec_end)
562 report_fatal_error("Section ended unexpectedly while scanning "
563 "version definitions.");
564 const Elf_Verdef *vd = reinterpret_cast<const Elf_Verdef *>(p);
565 if (vd->vd_version != ELF::VER_DEF_CURRENT)
566 report_fatal_error("Unexpected verdef version");
567 size_t index = vd->vd_ndx & ELF::VERSYM_VERSION;
568 if (index >= VersionMap.size())
569 VersionMap.resize(index + 1);
570 VersionMap[index] = VersionMapEntry(vd);
575 template <class ELFT> void ELFDumper<ELFT>::LoadVersionMap() const {
576 // If there is no dynamic symtab or version table, there is nothing to do.
577 if (!DynSymRegion.Addr || !dot_gnu_version_sec)
580 // Has the VersionMap already been loaded?
581 if (!VersionMap.empty())
584 // The first two version indexes are reserved.
585 // Index 0 is LOCAL, index 1 is GLOBAL.
586 VersionMap.push_back(VersionMapEntry());
587 VersionMap.push_back(VersionMapEntry());
589 if (dot_gnu_version_d_sec)
590 LoadVersionDefs(dot_gnu_version_d_sec);
592 if (dot_gnu_version_r_sec)
593 LoadVersionNeeds(dot_gnu_version_r_sec);
596 template <typename ELFO, class ELFT>
597 static void printVersionSymbolSection(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
598 const typename ELFO::Elf_Shdr *Sec,
600 DictScope SS(W, "Version symbols");
603 StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
604 W.printNumber("Section Name", Name, Sec->sh_name);
605 W.printHex("Address", Sec->sh_addr);
606 W.printHex("Offset", Sec->sh_offset);
607 W.printNumber("Link", Sec->sh_link);
609 const uint8_t *P = (const uint8_t *)Obj->base() + Sec->sh_offset;
610 StringRef StrTable = Dumper->getDynamicStringTable();
612 // Same number of entries in the dynamic symbol table (DT_SYMTAB).
613 ListScope Syms(W, "Symbols");
614 for (const typename ELFO::Elf_Sym &Sym : Dumper->dynamic_symbols()) {
615 DictScope S(W, "Symbol");
616 std::string FullSymbolName =
617 Dumper->getFullSymbolName(&Sym, StrTable, true /* IsDynamic */);
618 W.printNumber("Version", *P);
619 W.printString("Name", FullSymbolName);
620 P += sizeof(typename ELFO::Elf_Half);
624 static const EnumEntry<unsigned> SymVersionFlags[] = {
625 {"Base", "BASE", VER_FLG_BASE},
626 {"Weak", "WEAK", VER_FLG_WEAK},
627 {"Info", "INFO", VER_FLG_INFO}};
629 template <typename ELFO, class ELFT>
630 static void printVersionDefinitionSection(ELFDumper<ELFT> *Dumper,
632 const typename ELFO::Elf_Shdr *Sec,
634 using VerDef = typename ELFO::Elf_Verdef;
635 using VerdAux = typename ELFO::Elf_Verdaux;
637 DictScope SD(W, "SHT_GNU_verdef");
641 // The number of entries in the section SHT_GNU_verdef
642 // is determined by DT_VERDEFNUM tag.
643 unsigned VerDefsNum = 0;
644 for (const typename ELFO::Elf_Dyn &Dyn : Dumper->dynamic_table()) {
645 if (Dyn.d_tag == DT_VERDEFNUM) {
646 VerDefsNum = Dyn.d_un.d_val;
651 const uint8_t *SecStartAddress =
652 (const uint8_t *)Obj->base() + Sec->sh_offset;
653 const uint8_t *SecEndAddress = SecStartAddress + Sec->sh_size;
654 const uint8_t *P = SecStartAddress;
655 const typename ELFO::Elf_Shdr *StrTab =
656 unwrapOrError(Obj->getSection(Sec->sh_link));
658 while (VerDefsNum--) {
659 if (P + sizeof(VerDef) > SecEndAddress)
660 report_fatal_error("invalid offset in the section");
662 auto *VD = reinterpret_cast<const VerDef *>(P);
663 DictScope Def(W, "Definition");
664 W.printNumber("Version", VD->vd_version);
665 W.printEnum("Flags", VD->vd_flags, makeArrayRef(SymVersionFlags));
666 W.printNumber("Index", VD->vd_ndx);
667 W.printNumber("Hash", VD->vd_hash);
668 W.printString("Name",
669 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
670 VD->getAux()->vda_name)));
672 report_fatal_error("at least one definition string must exist");
674 report_fatal_error("more than one predecessor is not expected");
676 if (VD->vd_cnt == 2) {
677 const uint8_t *PAux = P + VD->vd_aux + VD->getAux()->vda_next;
678 const VerdAux *Aux = reinterpret_cast<const VerdAux *>(PAux);
679 W.printString("Predecessor",
680 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
688 template <typename ELFO, class ELFT>
689 static void printVersionDependencySection(ELFDumper<ELFT> *Dumper,
691 const typename ELFO::Elf_Shdr *Sec,
693 using VerNeed = typename ELFO::Elf_Verneed;
694 using VernAux = typename ELFO::Elf_Vernaux;
696 DictScope SD(W, "SHT_GNU_verneed");
700 unsigned VerNeedNum = 0;
701 for (const typename ELFO::Elf_Dyn &Dyn : Dumper->dynamic_table()) {
702 if (Dyn.d_tag == DT_VERNEEDNUM) {
703 VerNeedNum = Dyn.d_un.d_val;
708 const uint8_t *SecData = (const uint8_t *)Obj->base() + Sec->sh_offset;
709 const typename ELFO::Elf_Shdr *StrTab =
710 unwrapOrError(Obj->getSection(Sec->sh_link));
712 const uint8_t *P = SecData;
713 for (unsigned I = 0; I < VerNeedNum; ++I) {
714 const VerNeed *Need = reinterpret_cast<const VerNeed *>(P);
715 DictScope Entry(W, "Dependency");
716 W.printNumber("Version", Need->vn_version);
717 W.printNumber("Count", Need->vn_cnt);
718 W.printString("FileName",
719 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
722 const uint8_t *PAux = P + Need->vn_aux;
723 for (unsigned J = 0; J < Need->vn_cnt; ++J) {
724 const VernAux *Aux = reinterpret_cast<const VernAux *>(PAux);
725 DictScope Entry(W, "Entry");
726 W.printNumber("Hash", Aux->vna_hash);
727 W.printEnum("Flags", Aux->vna_flags, makeArrayRef(SymVersionFlags));
728 W.printNumber("Index", Aux->vna_other);
729 W.printString("Name",
730 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
732 PAux += Aux->vna_next;
738 template <typename ELFT> void ELFDumper<ELFT>::printVersionInfo() {
739 // Dump version symbol section.
740 printVersionSymbolSection(this, ObjF->getELFFile(), dot_gnu_version_sec, W);
742 // Dump version definition section.
743 printVersionDefinitionSection(this, ObjF->getELFFile(), dot_gnu_version_d_sec, W);
745 // Dump version dependency section.
746 printVersionDependencySection(this, ObjF->getELFFile(), dot_gnu_version_r_sec, W);
749 template <typename ELFT>
750 StringRef ELFDumper<ELFT>::getSymbolVersion(StringRef StrTab,
752 bool &IsDefault) const {
753 // This is a dynamic symbol. Look in the GNU symbol version table.
754 if (!dot_gnu_version_sec) {
757 return StringRef("");
760 // Determine the position in the symbol table of this entry.
761 size_t entry_index = (reinterpret_cast<uintptr_t>(symb) -
762 reinterpret_cast<uintptr_t>(DynSymRegion.Addr)) /
765 // Get the corresponding version index entry
766 const Elf_Versym *vs = unwrapOrError(
767 ObjF->getELFFile()->template getEntry<Elf_Versym>(dot_gnu_version_sec, entry_index));
768 size_t version_index = vs->vs_index & ELF::VERSYM_VERSION;
770 // Special markers for unversioned symbols.
771 if (version_index == ELF::VER_NDX_LOCAL ||
772 version_index == ELF::VER_NDX_GLOBAL) {
774 return StringRef("");
777 // Lookup this symbol in the version table
779 if (version_index >= VersionMap.size() || VersionMap[version_index].isNull())
780 reportError("Invalid version entry");
781 const VersionMapEntry &entry = VersionMap[version_index];
783 // Get the version name string
785 if (entry.isVerdef()) {
786 // The first Verdaux entry holds the name.
787 name_offset = entry.getVerdef()->getAux()->vda_name;
788 IsDefault = !(vs->vs_index & ELF::VERSYM_HIDDEN);
790 name_offset = entry.getVernaux()->vna_name;
793 if (name_offset >= StrTab.size())
794 reportError("Invalid string offset");
795 return StringRef(StrTab.data() + name_offset);
798 template <typename ELFT>
799 StringRef ELFDumper<ELFT>::getStaticSymbolName(uint32_t Index) const {
800 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
801 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec));
802 Elf_Sym_Range Syms = unwrapOrError(Obj->symbols(DotSymtabSec));
803 if (Index >= Syms.size())
804 reportError("Invalid symbol index");
805 const Elf_Sym *Sym = &Syms[Index];
806 return unwrapOrError(Sym->getName(StrTable));
809 template <typename ELFT>
810 std::string ELFDumper<ELFT>::getFullSymbolName(const Elf_Sym *Symbol,
812 bool IsDynamic) const {
813 StringRef SymbolName = unwrapOrError(Symbol->getName(StrTable));
817 std::string FullSymbolName(SymbolName);
820 StringRef Version = getSymbolVersion(StrTable, &*Symbol, IsDefault);
821 if (!Version.empty()) {
822 FullSymbolName += (IsDefault ? "@@" : "@");
823 FullSymbolName += Version;
825 return FullSymbolName;
828 template <typename ELFT>
829 void ELFDumper<ELFT>::getSectionNameIndex(const Elf_Sym *Symbol,
830 const Elf_Sym *FirstSym,
831 StringRef &SectionName,
832 unsigned &SectionIndex) const {
833 SectionIndex = Symbol->st_shndx;
834 if (Symbol->isUndefined())
835 SectionName = "Undefined";
836 else if (Symbol->isProcessorSpecific())
837 SectionName = "Processor Specific";
838 else if (Symbol->isOSSpecific())
839 SectionName = "Operating System Specific";
840 else if (Symbol->isAbsolute())
841 SectionName = "Absolute";
842 else if (Symbol->isCommon())
843 SectionName = "Common";
844 else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
845 SectionName = "Reserved";
847 if (SectionIndex == SHN_XINDEX)
848 SectionIndex = unwrapOrError(object::getExtendedSymbolTableIndex<ELFT>(
849 Symbol, FirstSym, ShndxTable));
850 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
851 const typename ELFT::Shdr *Sec =
852 unwrapOrError(Obj->getSection(SectionIndex));
853 SectionName = unwrapOrError(Obj->getSectionName(Sec));
857 template <class ELFO>
858 static const typename ELFO::Elf_Shdr *
859 findNotEmptySectionByAddress(const ELFO *Obj, uint64_t Addr) {
860 for (const auto &Shdr : unwrapOrError(Obj->sections()))
861 if (Shdr.sh_addr == Addr && Shdr.sh_size > 0)
866 template <class ELFO>
867 static const typename ELFO::Elf_Shdr *findSectionByName(const ELFO &Obj,
869 for (const auto &Shdr : unwrapOrError(Obj.sections())) {
870 if (Name == unwrapOrError(Obj.getSectionName(&Shdr)))
876 static const EnumEntry<unsigned> ElfClass[] = {
877 {"None", "none", ELF::ELFCLASSNONE},
878 {"32-bit", "ELF32", ELF::ELFCLASS32},
879 {"64-bit", "ELF64", ELF::ELFCLASS64},
882 static const EnumEntry<unsigned> ElfDataEncoding[] = {
883 {"None", "none", ELF::ELFDATANONE},
884 {"LittleEndian", "2's complement, little endian", ELF::ELFDATA2LSB},
885 {"BigEndian", "2's complement, big endian", ELF::ELFDATA2MSB},
888 static const EnumEntry<unsigned> ElfObjectFileType[] = {
889 {"None", "NONE (none)", ELF::ET_NONE},
890 {"Relocatable", "REL (Relocatable file)", ELF::ET_REL},
891 {"Executable", "EXEC (Executable file)", ELF::ET_EXEC},
892 {"SharedObject", "DYN (Shared object file)", ELF::ET_DYN},
893 {"Core", "CORE (Core file)", ELF::ET_CORE},
896 static const EnumEntry<unsigned> ElfOSABI[] = {
897 {"SystemV", "UNIX - System V", ELF::ELFOSABI_NONE},
898 {"HPUX", "UNIX - HP-UX", ELF::ELFOSABI_HPUX},
899 {"NetBSD", "UNIX - NetBSD", ELF::ELFOSABI_NETBSD},
900 {"GNU/Linux", "UNIX - GNU", ELF::ELFOSABI_LINUX},
901 {"GNU/Hurd", "GNU/Hurd", ELF::ELFOSABI_HURD},
902 {"Solaris", "UNIX - Solaris", ELF::ELFOSABI_SOLARIS},
903 {"AIX", "UNIX - AIX", ELF::ELFOSABI_AIX},
904 {"IRIX", "UNIX - IRIX", ELF::ELFOSABI_IRIX},
905 {"FreeBSD", "UNIX - FreeBSD", ELF::ELFOSABI_FREEBSD},
906 {"TRU64", "UNIX - TRU64", ELF::ELFOSABI_TRU64},
907 {"Modesto", "Novell - Modesto", ELF::ELFOSABI_MODESTO},
908 {"OpenBSD", "UNIX - OpenBSD", ELF::ELFOSABI_OPENBSD},
909 {"OpenVMS", "VMS - OpenVMS", ELF::ELFOSABI_OPENVMS},
910 {"NSK", "HP - Non-Stop Kernel", ELF::ELFOSABI_NSK},
911 {"AROS", "AROS", ELF::ELFOSABI_AROS},
912 {"FenixOS", "FenixOS", ELF::ELFOSABI_FENIXOS},
913 {"CloudABI", "CloudABI", ELF::ELFOSABI_CLOUDABI},
914 {"Standalone", "Standalone App", ELF::ELFOSABI_STANDALONE}
917 static const EnumEntry<unsigned> AMDGPUElfOSABI[] = {
918 {"AMDGPU_HSA", "AMDGPU - HSA", ELF::ELFOSABI_AMDGPU_HSA},
919 {"AMDGPU_PAL", "AMDGPU - PAL", ELF::ELFOSABI_AMDGPU_PAL},
920 {"AMDGPU_MESA3D", "AMDGPU - MESA3D", ELF::ELFOSABI_AMDGPU_MESA3D}
923 static const EnumEntry<unsigned> ARMElfOSABI[] = {
924 {"ARM", "ARM", ELF::ELFOSABI_ARM}
927 static const EnumEntry<unsigned> C6000ElfOSABI[] = {
928 {"C6000_ELFABI", "Bare-metal C6000", ELF::ELFOSABI_C6000_ELFABI},
929 {"C6000_LINUX", "Linux C6000", ELF::ELFOSABI_C6000_LINUX}
932 static const EnumEntry<unsigned> ElfMachineType[] = {
933 ENUM_ENT(EM_NONE, "None"),
934 ENUM_ENT(EM_M32, "WE32100"),
935 ENUM_ENT(EM_SPARC, "Sparc"),
936 ENUM_ENT(EM_386, "Intel 80386"),
937 ENUM_ENT(EM_68K, "MC68000"),
938 ENUM_ENT(EM_88K, "MC88000"),
939 ENUM_ENT(EM_IAMCU, "EM_IAMCU"),
940 ENUM_ENT(EM_860, "Intel 80860"),
941 ENUM_ENT(EM_MIPS, "MIPS R3000"),
942 ENUM_ENT(EM_S370, "IBM System/370"),
943 ENUM_ENT(EM_MIPS_RS3_LE, "MIPS R3000 little-endian"),
944 ENUM_ENT(EM_PARISC, "HPPA"),
945 ENUM_ENT(EM_VPP500, "Fujitsu VPP500"),
946 ENUM_ENT(EM_SPARC32PLUS, "Sparc v8+"),
947 ENUM_ENT(EM_960, "Intel 80960"),
948 ENUM_ENT(EM_PPC, "PowerPC"),
949 ENUM_ENT(EM_PPC64, "PowerPC64"),
950 ENUM_ENT(EM_S390, "IBM S/390"),
951 ENUM_ENT(EM_SPU, "SPU"),
952 ENUM_ENT(EM_V800, "NEC V800 series"),
953 ENUM_ENT(EM_FR20, "Fujistsu FR20"),
954 ENUM_ENT(EM_RH32, "TRW RH-32"),
955 ENUM_ENT(EM_RCE, "Motorola RCE"),
956 ENUM_ENT(EM_ARM, "ARM"),
957 ENUM_ENT(EM_ALPHA, "EM_ALPHA"),
958 ENUM_ENT(EM_SH, "Hitachi SH"),
959 ENUM_ENT(EM_SPARCV9, "Sparc v9"),
960 ENUM_ENT(EM_TRICORE, "Siemens Tricore"),
961 ENUM_ENT(EM_ARC, "ARC"),
962 ENUM_ENT(EM_H8_300, "Hitachi H8/300"),
963 ENUM_ENT(EM_H8_300H, "Hitachi H8/300H"),
964 ENUM_ENT(EM_H8S, "Hitachi H8S"),
965 ENUM_ENT(EM_H8_500, "Hitachi H8/500"),
966 ENUM_ENT(EM_IA_64, "Intel IA-64"),
967 ENUM_ENT(EM_MIPS_X, "Stanford MIPS-X"),
968 ENUM_ENT(EM_COLDFIRE, "Motorola Coldfire"),
969 ENUM_ENT(EM_68HC12, "Motorola MC68HC12 Microcontroller"),
970 ENUM_ENT(EM_MMA, "Fujitsu Multimedia Accelerator"),
971 ENUM_ENT(EM_PCP, "Siemens PCP"),
972 ENUM_ENT(EM_NCPU, "Sony nCPU embedded RISC processor"),
973 ENUM_ENT(EM_NDR1, "Denso NDR1 microprocesspr"),
974 ENUM_ENT(EM_STARCORE, "Motorola Star*Core processor"),
975 ENUM_ENT(EM_ME16, "Toyota ME16 processor"),
976 ENUM_ENT(EM_ST100, "STMicroelectronics ST100 processor"),
977 ENUM_ENT(EM_TINYJ, "Advanced Logic Corp. TinyJ embedded processor"),
978 ENUM_ENT(EM_X86_64, "Advanced Micro Devices X86-64"),
979 ENUM_ENT(EM_PDSP, "Sony DSP processor"),
980 ENUM_ENT(EM_PDP10, "Digital Equipment Corp. PDP-10"),
981 ENUM_ENT(EM_PDP11, "Digital Equipment Corp. PDP-11"),
982 ENUM_ENT(EM_FX66, "Siemens FX66 microcontroller"),
983 ENUM_ENT(EM_ST9PLUS, "STMicroelectronics ST9+ 8/16 bit microcontroller"),
984 ENUM_ENT(EM_ST7, "STMicroelectronics ST7 8-bit microcontroller"),
985 ENUM_ENT(EM_68HC16, "Motorola MC68HC16 Microcontroller"),
986 ENUM_ENT(EM_68HC11, "Motorola MC68HC11 Microcontroller"),
987 ENUM_ENT(EM_68HC08, "Motorola MC68HC08 Microcontroller"),
988 ENUM_ENT(EM_68HC05, "Motorola MC68HC05 Microcontroller"),
989 ENUM_ENT(EM_SVX, "Silicon Graphics SVx"),
990 ENUM_ENT(EM_ST19, "STMicroelectronics ST19 8-bit microcontroller"),
991 ENUM_ENT(EM_VAX, "Digital VAX"),
992 ENUM_ENT(EM_CRIS, "Axis Communications 32-bit embedded processor"),
993 ENUM_ENT(EM_JAVELIN, "Infineon Technologies 32-bit embedded cpu"),
994 ENUM_ENT(EM_FIREPATH, "Element 14 64-bit DSP processor"),
995 ENUM_ENT(EM_ZSP, "LSI Logic's 16-bit DSP processor"),
996 ENUM_ENT(EM_MMIX, "Donald Knuth's educational 64-bit processor"),
997 ENUM_ENT(EM_HUANY, "Harvard Universitys's machine-independent object format"),
998 ENUM_ENT(EM_PRISM, "Vitesse Prism"),
999 ENUM_ENT(EM_AVR, "Atmel AVR 8-bit microcontroller"),
1000 ENUM_ENT(EM_FR30, "Fujitsu FR30"),
1001 ENUM_ENT(EM_D10V, "Mitsubishi D10V"),
1002 ENUM_ENT(EM_D30V, "Mitsubishi D30V"),
1003 ENUM_ENT(EM_V850, "NEC v850"),
1004 ENUM_ENT(EM_M32R, "Renesas M32R (formerly Mitsubishi M32r)"),
1005 ENUM_ENT(EM_MN10300, "Matsushita MN10300"),
1006 ENUM_ENT(EM_MN10200, "Matsushita MN10200"),
1007 ENUM_ENT(EM_PJ, "picoJava"),
1008 ENUM_ENT(EM_OPENRISC, "OpenRISC 32-bit embedded processor"),
1009 ENUM_ENT(EM_ARC_COMPACT, "EM_ARC_COMPACT"),
1010 ENUM_ENT(EM_XTENSA, "Tensilica Xtensa Processor"),
1011 ENUM_ENT(EM_VIDEOCORE, "Alphamosaic VideoCore processor"),
1012 ENUM_ENT(EM_TMM_GPP, "Thompson Multimedia General Purpose Processor"),
1013 ENUM_ENT(EM_NS32K, "National Semiconductor 32000 series"),
1014 ENUM_ENT(EM_TPC, "Tenor Network TPC processor"),
1015 ENUM_ENT(EM_SNP1K, "EM_SNP1K"),
1016 ENUM_ENT(EM_ST200, "STMicroelectronics ST200 microcontroller"),
1017 ENUM_ENT(EM_IP2K, "Ubicom IP2xxx 8-bit microcontrollers"),
1018 ENUM_ENT(EM_MAX, "MAX Processor"),
1019 ENUM_ENT(EM_CR, "National Semiconductor CompactRISC"),
1020 ENUM_ENT(EM_F2MC16, "Fujitsu F2MC16"),
1021 ENUM_ENT(EM_MSP430, "Texas Instruments msp430 microcontroller"),
1022 ENUM_ENT(EM_BLACKFIN, "Analog Devices Blackfin"),
1023 ENUM_ENT(EM_SE_C33, "S1C33 Family of Seiko Epson processors"),
1024 ENUM_ENT(EM_SEP, "Sharp embedded microprocessor"),
1025 ENUM_ENT(EM_ARCA, "Arca RISC microprocessor"),
1026 ENUM_ENT(EM_UNICORE, "Unicore"),
1027 ENUM_ENT(EM_EXCESS, "eXcess 16/32/64-bit configurable embedded CPU"),
1028 ENUM_ENT(EM_DXP, "Icera Semiconductor Inc. Deep Execution Processor"),
1029 ENUM_ENT(EM_ALTERA_NIOS2, "Altera Nios"),
1030 ENUM_ENT(EM_CRX, "National Semiconductor CRX microprocessor"),
1031 ENUM_ENT(EM_XGATE, "Motorola XGATE embedded processor"),
1032 ENUM_ENT(EM_C166, "Infineon Technologies xc16x"),
1033 ENUM_ENT(EM_M16C, "Renesas M16C"),
1034 ENUM_ENT(EM_DSPIC30F, "Microchip Technology dsPIC30F Digital Signal Controller"),
1035 ENUM_ENT(EM_CE, "Freescale Communication Engine RISC core"),
1036 ENUM_ENT(EM_M32C, "Renesas M32C"),
1037 ENUM_ENT(EM_TSK3000, "Altium TSK3000 core"),
1038 ENUM_ENT(EM_RS08, "Freescale RS08 embedded processor"),
1039 ENUM_ENT(EM_SHARC, "EM_SHARC"),
1040 ENUM_ENT(EM_ECOG2, "Cyan Technology eCOG2 microprocessor"),
1041 ENUM_ENT(EM_SCORE7, "SUNPLUS S+Core"),
1042 ENUM_ENT(EM_DSP24, "New Japan Radio (NJR) 24-bit DSP Processor"),
1043 ENUM_ENT(EM_VIDEOCORE3, "Broadcom VideoCore III processor"),
1044 ENUM_ENT(EM_LATTICEMICO32, "Lattice Mico32"),
1045 ENUM_ENT(EM_SE_C17, "Seiko Epson C17 family"),
1046 ENUM_ENT(EM_TI_C6000, "Texas Instruments TMS320C6000 DSP family"),
1047 ENUM_ENT(EM_TI_C2000, "Texas Instruments TMS320C2000 DSP family"),
1048 ENUM_ENT(EM_TI_C5500, "Texas Instruments TMS320C55x DSP family"),
1049 ENUM_ENT(EM_MMDSP_PLUS, "STMicroelectronics 64bit VLIW Data Signal Processor"),
1050 ENUM_ENT(EM_CYPRESS_M8C, "Cypress M8C microprocessor"),
1051 ENUM_ENT(EM_R32C, "Renesas R32C series microprocessors"),
1052 ENUM_ENT(EM_TRIMEDIA, "NXP Semiconductors TriMedia architecture family"),
1053 ENUM_ENT(EM_HEXAGON, "Qualcomm Hexagon"),
1054 ENUM_ENT(EM_8051, "Intel 8051 and variants"),
1055 ENUM_ENT(EM_STXP7X, "STMicroelectronics STxP7x family"),
1056 ENUM_ENT(EM_NDS32, "Andes Technology compact code size embedded RISC processor family"),
1057 ENUM_ENT(EM_ECOG1, "Cyan Technology eCOG1 microprocessor"),
1058 ENUM_ENT(EM_ECOG1X, "Cyan Technology eCOG1X family"),
1059 ENUM_ENT(EM_MAXQ30, "Dallas Semiconductor MAXQ30 Core microcontrollers"),
1060 ENUM_ENT(EM_XIMO16, "New Japan Radio (NJR) 16-bit DSP Processor"),
1061 ENUM_ENT(EM_MANIK, "M2000 Reconfigurable RISC Microprocessor"),
1062 ENUM_ENT(EM_CRAYNV2, "Cray Inc. NV2 vector architecture"),
1063 ENUM_ENT(EM_RX, "Renesas RX"),
1064 ENUM_ENT(EM_METAG, "Imagination Technologies Meta processor architecture"),
1065 ENUM_ENT(EM_MCST_ELBRUS, "MCST Elbrus general purpose hardware architecture"),
1066 ENUM_ENT(EM_ECOG16, "Cyan Technology eCOG16 family"),
1067 ENUM_ENT(EM_CR16, "Xilinx MicroBlaze"),
1068 ENUM_ENT(EM_ETPU, "Freescale Extended Time Processing Unit"),
1069 ENUM_ENT(EM_SLE9X, "Infineon Technologies SLE9X core"),
1070 ENUM_ENT(EM_L10M, "EM_L10M"),
1071 ENUM_ENT(EM_K10M, "EM_K10M"),
1072 ENUM_ENT(EM_AARCH64, "AArch64"),
1073 ENUM_ENT(EM_AVR32, "Atmel Corporation 32-bit microprocessor family"),
1074 ENUM_ENT(EM_STM8, "STMicroeletronics STM8 8-bit microcontroller"),
1075 ENUM_ENT(EM_TILE64, "Tilera TILE64 multicore architecture family"),
1076 ENUM_ENT(EM_TILEPRO, "Tilera TILEPro multicore architecture family"),
1077 ENUM_ENT(EM_CUDA, "NVIDIA CUDA architecture"),
1078 ENUM_ENT(EM_TILEGX, "Tilera TILE-Gx multicore architecture family"),
1079 ENUM_ENT(EM_CLOUDSHIELD, "EM_CLOUDSHIELD"),
1080 ENUM_ENT(EM_COREA_1ST, "EM_COREA_1ST"),
1081 ENUM_ENT(EM_COREA_2ND, "EM_COREA_2ND"),
1082 ENUM_ENT(EM_ARC_COMPACT2, "EM_ARC_COMPACT2"),
1083 ENUM_ENT(EM_OPEN8, "EM_OPEN8"),
1084 ENUM_ENT(EM_RL78, "Renesas RL78"),
1085 ENUM_ENT(EM_VIDEOCORE5, "Broadcom VideoCore V processor"),
1086 ENUM_ENT(EM_78KOR, "EM_78KOR"),
1087 ENUM_ENT(EM_56800EX, "EM_56800EX"),
1088 ENUM_ENT(EM_AMDGPU, "EM_AMDGPU"),
1089 ENUM_ENT(EM_RISCV, "RISC-V"),
1090 ENUM_ENT(EM_LANAI, "EM_LANAI"),
1091 ENUM_ENT(EM_BPF, "EM_BPF"),
1094 static const EnumEntry<unsigned> ElfSymbolBindings[] = {
1095 {"Local", "LOCAL", ELF::STB_LOCAL},
1096 {"Global", "GLOBAL", ELF::STB_GLOBAL},
1097 {"Weak", "WEAK", ELF::STB_WEAK},
1098 {"Unique", "UNIQUE", ELF::STB_GNU_UNIQUE}};
1100 static const EnumEntry<unsigned> ElfSymbolVisibilities[] = {
1101 {"DEFAULT", "DEFAULT", ELF::STV_DEFAULT},
1102 {"INTERNAL", "INTERNAL", ELF::STV_INTERNAL},
1103 {"HIDDEN", "HIDDEN", ELF::STV_HIDDEN},
1104 {"PROTECTED", "PROTECTED", ELF::STV_PROTECTED}};
1106 static const EnumEntry<unsigned> ElfSymbolTypes[] = {
1107 {"None", "NOTYPE", ELF::STT_NOTYPE},
1108 {"Object", "OBJECT", ELF::STT_OBJECT},
1109 {"Function", "FUNC", ELF::STT_FUNC},
1110 {"Section", "SECTION", ELF::STT_SECTION},
1111 {"File", "FILE", ELF::STT_FILE},
1112 {"Common", "COMMON", ELF::STT_COMMON},
1113 {"TLS", "TLS", ELF::STT_TLS},
1114 {"GNU_IFunc", "IFUNC", ELF::STT_GNU_IFUNC}};
1116 static const EnumEntry<unsigned> AMDGPUSymbolTypes[] = {
1117 { "AMDGPU_HSA_KERNEL", ELF::STT_AMDGPU_HSA_KERNEL }
1120 static const char *getGroupType(uint32_t Flag) {
1121 if (Flag & ELF::GRP_COMDAT)
1127 static const EnumEntry<unsigned> ElfSectionFlags[] = {
1128 ENUM_ENT(SHF_WRITE, "W"),
1129 ENUM_ENT(SHF_ALLOC, "A"),
1130 ENUM_ENT(SHF_EXCLUDE, "E"),
1131 ENUM_ENT(SHF_EXECINSTR, "X"),
1132 ENUM_ENT(SHF_MERGE, "M"),
1133 ENUM_ENT(SHF_STRINGS, "S"),
1134 ENUM_ENT(SHF_INFO_LINK, "I"),
1135 ENUM_ENT(SHF_LINK_ORDER, "L"),
1136 ENUM_ENT(SHF_OS_NONCONFORMING, "o"),
1137 ENUM_ENT(SHF_GROUP, "G"),
1138 ENUM_ENT(SHF_TLS, "T"),
1139 ENUM_ENT(SHF_MASKOS, "o"),
1140 ENUM_ENT(SHF_MASKPROC, "p"),
1141 ENUM_ENT_1(SHF_COMPRESSED),
1144 static const EnumEntry<unsigned> ElfXCoreSectionFlags[] = {
1145 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
1146 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION)
1149 static const EnumEntry<unsigned> ElfARMSectionFlags[] = {
1150 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ARM_PURECODE)
1153 static const EnumEntry<unsigned> ElfHexagonSectionFlags[] = {
1154 LLVM_READOBJ_ENUM_ENT(ELF, SHF_HEX_GPREL)
1157 static const EnumEntry<unsigned> ElfMipsSectionFlags[] = {
1158 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NODUPES),
1159 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NAMES ),
1160 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_LOCAL ),
1161 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP),
1162 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_GPREL ),
1163 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_MERGE ),
1164 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_ADDR ),
1165 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_STRING )
1168 static const EnumEntry<unsigned> ElfX86_64SectionFlags[] = {
1169 LLVM_READOBJ_ENUM_ENT(ELF, SHF_X86_64_LARGE)
1172 static std::string getGNUFlags(uint64_t Flags) {
1174 for (auto Entry : ElfSectionFlags) {
1175 uint64_t Flag = Entry.Value & Flags;
1176 Flags &= ~Entry.Value;
1178 case ELF::SHF_WRITE:
1179 case ELF::SHF_ALLOC:
1180 case ELF::SHF_EXECINSTR:
1181 case ELF::SHF_MERGE:
1182 case ELF::SHF_STRINGS:
1183 case ELF::SHF_INFO_LINK:
1184 case ELF::SHF_LINK_ORDER:
1185 case ELF::SHF_OS_NONCONFORMING:
1186 case ELF::SHF_GROUP:
1188 case ELF::SHF_EXCLUDE:
1189 Str += Entry.AltName;
1192 if (Flag & ELF::SHF_MASKOS)
1194 else if (Flag & ELF::SHF_MASKPROC)
1203 static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
1204 // Check potentially overlapped processor-specific
1205 // program header type.
1209 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
1213 case ELF::EM_MIPS_RS3_LE:
1215 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
1216 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
1217 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
1218 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
1224 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
1225 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
1226 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
1227 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
1228 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
1229 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
1230 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
1231 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
1233 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
1234 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
1236 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
1237 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
1239 LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_RANDOMIZE);
1240 LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_WXNEEDED);
1241 LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_BOOTDATA);
1247 static std::string getElfPtType(unsigned Arch, unsigned Type) {
1249 LLVM_READOBJ_PHDR_ENUM(ELF, PT_NULL)
1250 LLVM_READOBJ_PHDR_ENUM(ELF, PT_LOAD)
1251 LLVM_READOBJ_PHDR_ENUM(ELF, PT_DYNAMIC)
1252 LLVM_READOBJ_PHDR_ENUM(ELF, PT_INTERP)
1253 LLVM_READOBJ_PHDR_ENUM(ELF, PT_NOTE)
1254 LLVM_READOBJ_PHDR_ENUM(ELF, PT_SHLIB)
1255 LLVM_READOBJ_PHDR_ENUM(ELF, PT_PHDR)
1256 LLVM_READOBJ_PHDR_ENUM(ELF, PT_TLS)
1257 LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_EH_FRAME)
1258 LLVM_READOBJ_PHDR_ENUM(ELF, PT_SUNW_UNWIND)
1259 LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_STACK)
1260 LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_RELRO)
1262 // All machine specific PT_* types
1265 if (Type == ELF::PT_ARM_EXIDX)
1269 case ELF::EM_MIPS_RS3_LE:
1271 case PT_MIPS_REGINFO:
1273 case PT_MIPS_RTPROC:
1275 case PT_MIPS_OPTIONS:
1277 case PT_MIPS_ABIFLAGS:
1283 return std::string("<unknown>: ") + to_string(format_hex(Type, 1));
1286 static const EnumEntry<unsigned> ElfSegmentFlags[] = {
1287 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
1288 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
1289 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
1292 static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
1293 ENUM_ENT(EF_MIPS_NOREORDER, "noreorder"),
1294 ENUM_ENT(EF_MIPS_PIC, "pic"),
1295 ENUM_ENT(EF_MIPS_CPIC, "cpic"),
1296 ENUM_ENT(EF_MIPS_ABI2, "abi2"),
1297 ENUM_ENT(EF_MIPS_32BITMODE, "32bitmode"),
1298 ENUM_ENT(EF_MIPS_FP64, "fp64"),
1299 ENUM_ENT(EF_MIPS_NAN2008, "nan2008"),
1300 ENUM_ENT(EF_MIPS_ABI_O32, "o32"),
1301 ENUM_ENT(EF_MIPS_ABI_O64, "o64"),
1302 ENUM_ENT(EF_MIPS_ABI_EABI32, "eabi32"),
1303 ENUM_ENT(EF_MIPS_ABI_EABI64, "eabi64"),
1304 ENUM_ENT(EF_MIPS_MACH_3900, "3900"),
1305 ENUM_ENT(EF_MIPS_MACH_4010, "4010"),
1306 ENUM_ENT(EF_MIPS_MACH_4100, "4100"),
1307 ENUM_ENT(EF_MIPS_MACH_4650, "4650"),
1308 ENUM_ENT(EF_MIPS_MACH_4120, "4120"),
1309 ENUM_ENT(EF_MIPS_MACH_4111, "4111"),
1310 ENUM_ENT(EF_MIPS_MACH_SB1, "sb1"),
1311 ENUM_ENT(EF_MIPS_MACH_OCTEON, "octeon"),
1312 ENUM_ENT(EF_MIPS_MACH_XLR, "xlr"),
1313 ENUM_ENT(EF_MIPS_MACH_OCTEON2, "octeon2"),
1314 ENUM_ENT(EF_MIPS_MACH_OCTEON3, "octeon3"),
1315 ENUM_ENT(EF_MIPS_MACH_5400, "5400"),
1316 ENUM_ENT(EF_MIPS_MACH_5900, "5900"),
1317 ENUM_ENT(EF_MIPS_MACH_5500, "5500"),
1318 ENUM_ENT(EF_MIPS_MACH_9000, "9000"),
1319 ENUM_ENT(EF_MIPS_MACH_LS2E, "loongson-2e"),
1320 ENUM_ENT(EF_MIPS_MACH_LS2F, "loongson-2f"),
1321 ENUM_ENT(EF_MIPS_MACH_LS3A, "loongson-3a"),
1322 ENUM_ENT(EF_MIPS_MICROMIPS, "micromips"),
1323 ENUM_ENT(EF_MIPS_ARCH_ASE_M16, "mips16"),
1324 ENUM_ENT(EF_MIPS_ARCH_ASE_MDMX, "mdmx"),
1325 ENUM_ENT(EF_MIPS_ARCH_1, "mips1"),
1326 ENUM_ENT(EF_MIPS_ARCH_2, "mips2"),
1327 ENUM_ENT(EF_MIPS_ARCH_3, "mips3"),
1328 ENUM_ENT(EF_MIPS_ARCH_4, "mips4"),
1329 ENUM_ENT(EF_MIPS_ARCH_5, "mips5"),
1330 ENUM_ENT(EF_MIPS_ARCH_32, "mips32"),
1331 ENUM_ENT(EF_MIPS_ARCH_64, "mips64"),
1332 ENUM_ENT(EF_MIPS_ARCH_32R2, "mips32r2"),
1333 ENUM_ENT(EF_MIPS_ARCH_64R2, "mips64r2"),
1334 ENUM_ENT(EF_MIPS_ARCH_32R6, "mips32r6"),
1335 ENUM_ENT(EF_MIPS_ARCH_64R6, "mips64r6")
1338 static const EnumEntry<unsigned> ElfHeaderAMDGPUFlags[] = {
1339 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_NONE),
1340 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R600),
1341 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R630),
1342 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RS880),
1343 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV670),
1344 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV710),
1345 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV730),
1346 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV770),
1347 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CEDAR),
1348 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CYPRESS),
1349 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_JUNIPER),
1350 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_REDWOOD),
1351 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_SUMO),
1352 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_BARTS),
1353 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAICOS),
1354 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAYMAN),
1355 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_TURKS),
1356 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX600),
1357 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX601),
1358 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX700),
1359 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX701),
1360 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX702),
1361 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX703),
1362 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX704),
1363 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX801),
1364 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX802),
1365 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX803),
1366 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX810),
1367 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX900),
1368 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX902),
1369 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX904),
1370 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX906),
1371 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX909),
1372 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_XNACK),
1373 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_SRAM_ECC)
1376 static const EnumEntry<unsigned> ElfHeaderRISCVFlags[] = {
1377 ENUM_ENT(EF_RISCV_RVC, "RVC"),
1378 ENUM_ENT(EF_RISCV_FLOAT_ABI_SINGLE, "single-float ABI"),
1379 ENUM_ENT(EF_RISCV_FLOAT_ABI_DOUBLE, "double-float ABI"),
1380 ENUM_ENT(EF_RISCV_FLOAT_ABI_QUAD, "quad-float ABI"),
1381 ENUM_ENT(EF_RISCV_RVE, "RVE")
1384 static const EnumEntry<unsigned> ElfSymOtherFlags[] = {
1385 LLVM_READOBJ_ENUM_ENT(ELF, STV_INTERNAL),
1386 LLVM_READOBJ_ENUM_ENT(ELF, STV_HIDDEN),
1387 LLVM_READOBJ_ENUM_ENT(ELF, STV_PROTECTED)
1390 static const EnumEntry<unsigned> ElfMipsSymOtherFlags[] = {
1391 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL),
1392 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT),
1393 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PIC),
1394 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MICROMIPS)
1397 static const EnumEntry<unsigned> ElfMips16SymOtherFlags[] = {
1398 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL),
1399 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT),
1400 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MIPS16)
1403 static const char *getElfMipsOptionsOdkType(unsigned Odk) {
1405 LLVM_READOBJ_ENUM_CASE(ELF, ODK_NULL);
1406 LLVM_READOBJ_ENUM_CASE(ELF, ODK_REGINFO);
1407 LLVM_READOBJ_ENUM_CASE(ELF, ODK_EXCEPTIONS);
1408 LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAD);
1409 LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWPATCH);
1410 LLVM_READOBJ_ENUM_CASE(ELF, ODK_FILL);
1411 LLVM_READOBJ_ENUM_CASE(ELF, ODK_TAGS);
1412 LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWAND);
1413 LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWOR);
1414 LLVM_READOBJ_ENUM_CASE(ELF, ODK_GP_GROUP);
1415 LLVM_READOBJ_ENUM_CASE(ELF, ODK_IDENT);
1416 LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAGESIZE);
1422 template <typename ELFT>
1423 ELFDumper<ELFT>::ELFDumper(const object::ELFObjectFile<ELFT> *ObjF,
1424 ScopedPrinter &Writer)
1425 : ObjDumper(Writer), ObjF(ObjF) {
1426 SmallVector<const Elf_Phdr *, 4> LoadSegments;
1427 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
1428 for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
1429 if (Phdr.p_type == ELF::PT_DYNAMIC) {
1430 DynamicTable = createDRIFrom(&Phdr, sizeof(Elf_Dyn));
1433 if (Phdr.p_type != ELF::PT_LOAD || Phdr.p_filesz == 0)
1435 LoadSegments.push_back(&Phdr);
1438 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
1439 switch (Sec.sh_type) {
1440 case ELF::SHT_SYMTAB:
1441 if (DotSymtabSec != nullptr)
1442 reportError("Multiple SHT_SYMTAB");
1443 DotSymtabSec = &Sec;
1445 case ELF::SHT_DYNSYM:
1446 if (DynSymRegion.Size)
1447 reportError("Multiple SHT_DYNSYM");
1448 DynSymRegion = createDRIFrom(&Sec);
1449 // This is only used (if Elf_Shdr present)for naming section in GNU style
1450 DynSymtabName = unwrapOrError(Obj->getSectionName(&Sec));
1451 DynamicStringTable = unwrapOrError(Obj->getStringTableForSymtab(Sec));
1453 case ELF::SHT_SYMTAB_SHNDX:
1454 ShndxTable = unwrapOrError(Obj->getSHNDXTable(Sec));
1456 case ELF::SHT_GNU_versym:
1457 if (dot_gnu_version_sec != nullptr)
1458 reportError("Multiple SHT_GNU_versym");
1459 dot_gnu_version_sec = &Sec;
1461 case ELF::SHT_GNU_verdef:
1462 if (dot_gnu_version_d_sec != nullptr)
1463 reportError("Multiple SHT_GNU_verdef");
1464 dot_gnu_version_d_sec = &Sec;
1466 case ELF::SHT_GNU_verneed:
1467 if (dot_gnu_version_r_sec != nullptr)
1468 reportError("Multiple SHT_GNU_verneed");
1469 dot_gnu_version_r_sec = &Sec;
1471 case ELF::SHT_LLVM_CALL_GRAPH_PROFILE:
1472 if (DotCGProfileSec != nullptr)
1473 reportError("Multiple .llvm.call-graph-profile");
1474 DotCGProfileSec = &Sec;
1476 case ELF::SHT_LLVM_ADDRSIG:
1477 if (DotAddrsigSec != nullptr)
1478 reportError("Multiple .llvm_addrsig");
1479 DotAddrsigSec = &Sec;
1484 parseDynamicTable(LoadSegments);
1486 if (opts::Output == opts::GNU)
1487 ELFDumperStyle.reset(new GNUStyle<ELFT>(Writer, this));
1489 ELFDumperStyle.reset(new LLVMStyle<ELFT>(Writer, this));
1492 template <typename ELFT>
1493 void ELFDumper<ELFT>::parseDynamicTable(
1494 ArrayRef<const Elf_Phdr *> LoadSegments) {
1495 auto toMappedAddr = [&](uint64_t VAddr) -> const uint8_t * {
1496 auto MappedAddrOrError = ObjF->getELFFile()->toMappedAddr(VAddr);
1497 if (!MappedAddrOrError)
1498 report_fatal_error(MappedAddrOrError.takeError());
1499 return MappedAddrOrError.get();
1502 uint64_t SONameOffset = 0;
1503 const char *StringTableBegin = nullptr;
1504 uint64_t StringTableSize = 0;
1505 for (const Elf_Dyn &Dyn : dynamic_table()) {
1506 switch (Dyn.d_tag) {
1509 reinterpret_cast<const Elf_Hash *>(toMappedAddr(Dyn.getPtr()));
1511 case ELF::DT_GNU_HASH:
1513 reinterpret_cast<const Elf_GnuHash *>(toMappedAddr(Dyn.getPtr()));
1515 case ELF::DT_STRTAB:
1516 StringTableBegin = (const char *)toMappedAddr(Dyn.getPtr());
1519 StringTableSize = Dyn.getVal();
1521 case ELF::DT_SYMTAB:
1522 DynSymRegion.Addr = toMappedAddr(Dyn.getPtr());
1523 DynSymRegion.EntSize = sizeof(Elf_Sym);
1526 DynRelaRegion.Addr = toMappedAddr(Dyn.getPtr());
1528 case ELF::DT_RELASZ:
1529 DynRelaRegion.Size = Dyn.getVal();
1531 case ELF::DT_RELAENT:
1532 DynRelaRegion.EntSize = Dyn.getVal();
1534 case ELF::DT_SONAME:
1535 SONameOffset = Dyn.getVal();
1538 DynRelRegion.Addr = toMappedAddr(Dyn.getPtr());
1541 DynRelRegion.Size = Dyn.getVal();
1543 case ELF::DT_RELENT:
1544 DynRelRegion.EntSize = Dyn.getVal();
1547 case ELF::DT_ANDROID_RELR:
1548 DynRelrRegion.Addr = toMappedAddr(Dyn.getPtr());
1550 case ELF::DT_RELRSZ:
1551 case ELF::DT_ANDROID_RELRSZ:
1552 DynRelrRegion.Size = Dyn.getVal();
1554 case ELF::DT_RELRENT:
1555 case ELF::DT_ANDROID_RELRENT:
1556 DynRelrRegion.EntSize = Dyn.getVal();
1558 case ELF::DT_PLTREL:
1559 if (Dyn.getVal() == DT_REL)
1560 DynPLTRelRegion.EntSize = sizeof(Elf_Rel);
1561 else if (Dyn.getVal() == DT_RELA)
1562 DynPLTRelRegion.EntSize = sizeof(Elf_Rela);
1564 reportError(Twine("unknown DT_PLTREL value of ") +
1565 Twine((uint64_t)Dyn.getVal()));
1567 case ELF::DT_JMPREL:
1568 DynPLTRelRegion.Addr = toMappedAddr(Dyn.getPtr());
1570 case ELF::DT_PLTRELSZ:
1571 DynPLTRelRegion.Size = Dyn.getVal();
1575 if (StringTableBegin)
1576 DynamicStringTable = StringRef(StringTableBegin, StringTableSize);
1578 SOName = getDynamicString(SONameOffset);
1581 template <typename ELFT>
1582 typename ELFDumper<ELFT>::Elf_Rel_Range ELFDumper<ELFT>::dyn_rels() const {
1583 return DynRelRegion.getAsArrayRef<Elf_Rel>();
1586 template <typename ELFT>
1587 typename ELFDumper<ELFT>::Elf_Rela_Range ELFDumper<ELFT>::dyn_relas() const {
1588 return DynRelaRegion.getAsArrayRef<Elf_Rela>();
1591 template <typename ELFT>
1592 typename ELFDumper<ELFT>::Elf_Relr_Range ELFDumper<ELFT>::dyn_relrs() const {
1593 return DynRelrRegion.getAsArrayRef<Elf_Relr>();
1596 template<class ELFT>
1597 void ELFDumper<ELFT>::printFileHeaders() {
1598 ELFDumperStyle->printFileHeaders(ObjF->getELFFile());
1601 template<class ELFT>
1602 void ELFDumper<ELFT>::printSectionHeaders() {
1603 ELFDumperStyle->printSectionHeaders(ObjF->getELFFile());
1606 template<class ELFT>
1607 void ELFDumper<ELFT>::printRelocations() {
1608 ELFDumperStyle->printRelocations(ObjF->getELFFile());
1611 template <class ELFT> void ELFDumper<ELFT>::printProgramHeaders() {
1612 ELFDumperStyle->printProgramHeaders(ObjF->getELFFile());
1615 template <class ELFT> void ELFDumper<ELFT>::printDynamicRelocations() {
1616 ELFDumperStyle->printDynamicRelocations(ObjF->getELFFile());
1619 template<class ELFT>
1620 void ELFDumper<ELFT>::printSymbols() {
1621 ELFDumperStyle->printSymbols(ObjF->getELFFile());
1624 template<class ELFT>
1625 void ELFDumper<ELFT>::printDynamicSymbols() {
1626 ELFDumperStyle->printDynamicSymbols(ObjF->getELFFile());
1629 template <class ELFT> void ELFDumper<ELFT>::printHashHistogram() {
1630 ELFDumperStyle->printHashHistogram(ObjF->getELFFile());
1633 template <class ELFT> void ELFDumper<ELFT>::printCGProfile() {
1634 ELFDumperStyle->printCGProfile(ObjF->getELFFile());
1637 template <class ELFT> void ELFDumper<ELFT>::printNotes() {
1638 ELFDumperStyle->printNotes(ObjF->getELFFile());
1641 template <class ELFT> void ELFDumper<ELFT>::printELFLinkerOptions() {
1642 ELFDumperStyle->printELFLinkerOptions(ObjF->getELFFile());
1645 static const char *getTypeString(unsigned Arch, uint64_t Type) {
1646 #define DYNAMIC_TAG(n, v)
1650 #define HEXAGON_DYNAMIC_TAG(name, value) \
1653 #include "llvm/BinaryFormat/DynamicTags.def"
1654 #undef HEXAGON_DYNAMIC_TAG
1660 #define MIPS_DYNAMIC_TAG(name, value) \
1663 #include "llvm/BinaryFormat/DynamicTags.def"
1664 #undef MIPS_DYNAMIC_TAG
1670 #define PPC64_DYNAMIC_TAG(name, value) \
1673 #include "llvm/BinaryFormat/DynamicTags.def"
1674 #undef PPC64_DYNAMIC_TAG
1680 // Now handle all dynamic tags except the architecture specific ones
1681 #define MIPS_DYNAMIC_TAG(name, value)
1682 #define HEXAGON_DYNAMIC_TAG(name, value)
1683 #define PPC64_DYNAMIC_TAG(name, value)
1684 // Also ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc.
1685 #define DYNAMIC_TAG_MARKER(name, value)
1686 #define DYNAMIC_TAG(name, value) \
1689 #include "llvm/BinaryFormat/DynamicTags.def"
1691 #undef MIPS_DYNAMIC_TAG
1692 #undef HEXAGON_DYNAMIC_TAG
1693 #undef PPC64_DYNAMIC_TAG
1694 #undef DYNAMIC_TAG_MARKER
1695 default: return "unknown";
1699 #define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
1700 { #enum, prefix##_##enum }
1702 static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
1703 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
1704 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
1705 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
1706 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
1707 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
1710 static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
1711 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
1712 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
1713 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
1714 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
1715 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
1716 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
1717 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
1718 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
1719 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
1720 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
1721 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
1722 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
1723 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
1724 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
1725 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
1726 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
1727 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
1728 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
1729 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
1730 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
1731 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
1732 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
1733 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
1734 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
1735 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
1738 static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
1739 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
1740 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
1741 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
1742 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
1743 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
1744 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
1745 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
1746 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
1747 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
1748 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
1749 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
1750 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
1751 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
1752 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
1753 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
1754 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
1757 #undef LLVM_READOBJ_DT_FLAG_ENT
1759 template <typename T, typename TFlag>
1760 void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
1761 using FlagEntry = EnumEntry<TFlag>;
1762 using FlagVector = SmallVector<FlagEntry, 10>;
1763 FlagVector SetFlags;
1765 for (const auto &Flag : Flags) {
1766 if (Flag.Value == 0)
1769 if ((Value & Flag.Value) == Flag.Value)
1770 SetFlags.push_back(Flag);
1773 for (const auto &Flag : SetFlags) {
1774 OS << Flag.Name << " ";
1778 template <class ELFT>
1779 StringRef ELFDumper<ELFT>::getDynamicString(uint64_t Value) const {
1780 if (Value >= DynamicStringTable.size())
1781 reportError("Invalid dynamic string table reference");
1782 return StringRef(DynamicStringTable.data() + Value);
1785 static void printLibrary(raw_ostream &OS, const Twine &Tag, const Twine &Name) {
1786 OS << Tag << ": [" << Name << "]";
1789 template <class ELFT>
1790 void ELFDumper<ELFT>::printValue(uint64_t Type, uint64_t Value) {
1791 raw_ostream &OS = W.getOStream();
1792 const char* ConvChar = (opts::Output == opts::GNU) ? "0x%" PRIx64 : "0x%" PRIX64;
1795 if (Value == DT_REL) {
1798 } else if (Value == DT_RELA) {
1814 case DT_PREINIT_ARRAY:
1821 case DT_MIPS_BASE_ADDRESS:
1822 case DT_MIPS_GOTSYM:
1823 case DT_MIPS_RLD_MAP:
1824 case DT_MIPS_RLD_MAP_REL:
1825 case DT_MIPS_PLTGOT:
1826 case DT_MIPS_OPTIONS:
1827 OS << format(ConvChar, Value);
1833 case DT_MIPS_RLD_VERSION:
1834 case DT_MIPS_LOCAL_GOTNO:
1835 case DT_MIPS_SYMTABNO:
1836 case DT_MIPS_UNREFEXTNO:
1846 case DT_INIT_ARRAYSZ:
1847 case DT_FINI_ARRAYSZ:
1848 case DT_PREINIT_ARRAYSZ:
1849 case DT_ANDROID_RELSZ:
1850 case DT_ANDROID_RELASZ:
1851 OS << Value << " (bytes)";
1854 printLibrary(OS, "Shared library", getDynamicString(Value));
1857 printLibrary(OS, "Library soname", getDynamicString(Value));
1860 printLibrary(OS, "Auxiliary library", getDynamicString(Value));
1863 printLibrary(OS, "Filter library", getDynamicString(Value));
1867 OS << getDynamicString(Value);
1870 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
1873 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
1876 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
1879 OS << format(ConvChar, Value);
1884 template<class ELFT>
1885 void ELFDumper<ELFT>::printUnwindInfo() {
1886 const unsigned Machine = ObjF->getELFFile()->getHeader()->e_machine;
1887 if (Machine == EM_386 || Machine == EM_X86_64) {
1888 DwarfCFIEH::PrinterContext<ELFT> Ctx(W, ObjF);
1889 return Ctx.printUnwindInformation();
1891 W.startLine() << "UnwindInfo not implemented.\n";
1896 template <> void ELFDumper<ELF32LE>::printUnwindInfo() {
1897 const ELFFile<ELF32LE> *Obj = ObjF->getELFFile();
1898 const unsigned Machine = Obj->getHeader()->e_machine;
1899 if (Machine == EM_ARM) {
1900 ARM::EHABI::PrinterContext<ELF32LE> Ctx(W, Obj, DotSymtabSec);
1901 return Ctx.PrintUnwindInformation();
1903 W.startLine() << "UnwindInfo not implemented.\n";
1906 } // end anonymous namespace
1908 template<class ELFT>
1909 void ELFDumper<ELFT>::printDynamicTable() {
1910 auto I = dynamic_table().begin();
1911 auto E = dynamic_table().end();
1917 while (I != E && E->getTag() == ELF::DT_NULL)
1919 if (E->getTag() != ELF::DT_NULL)
1923 ptrdiff_t Total = std::distance(I, E);
1927 raw_ostream &OS = W.getOStream();
1928 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1930 bool Is64 = ELFT::Is64Bits;
1933 << " Tag" << (Is64 ? " " : " ") << "Type"
1934 << " " << "Name/Value\n";
1936 const Elf_Dyn &Entry = *I;
1937 uintX_t Tag = Entry.getTag();
1939 W.startLine() << " " << format_hex(Tag, Is64 ? 18 : 10, opts::Output != opts::GNU) << " "
1940 << format("%-21s", getTypeString(ObjF->getELFFile()->getHeader()->e_machine, Tag));
1941 printValue(Tag, Entry.getVal());
1945 W.startLine() << "]\n";
1948 template<class ELFT>
1949 void ELFDumper<ELFT>::printNeededLibraries() {
1950 ListScope D(W, "NeededLibraries");
1952 using LibsTy = std::vector<StringRef>;
1955 for (const auto &Entry : dynamic_table())
1956 if (Entry.d_tag == ELF::DT_NEEDED)
1957 Libs.push_back(getDynamicString(Entry.d_un.d_val));
1959 std::stable_sort(Libs.begin(), Libs.end());
1961 for (const auto &L : Libs)
1962 W.startLine() << L << "\n";
1966 template <typename ELFT>
1967 void ELFDumper<ELFT>::printHashTable() {
1968 DictScope D(W, "HashTable");
1971 W.printNumber("Num Buckets", HashTable->nbucket);
1972 W.printNumber("Num Chains", HashTable->nchain);
1973 W.printList("Buckets", HashTable->buckets());
1974 W.printList("Chains", HashTable->chains());
1977 template <typename ELFT>
1978 void ELFDumper<ELFT>::printGnuHashTable() {
1979 DictScope D(W, "GnuHashTable");
1982 W.printNumber("Num Buckets", GnuHashTable->nbuckets);
1983 W.printNumber("First Hashed Symbol Index", GnuHashTable->symndx);
1984 W.printNumber("Num Mask Words", GnuHashTable->maskwords);
1985 W.printNumber("Shift Count", GnuHashTable->shift2);
1986 W.printHexList("Bloom Filter", GnuHashTable->filter());
1987 W.printList("Buckets", GnuHashTable->buckets());
1988 Elf_Sym_Range Syms = dynamic_symbols();
1989 unsigned NumSyms = std::distance(Syms.begin(), Syms.end());
1991 reportError("No dynamic symbol section");
1992 W.printHexList("Values", GnuHashTable->values(NumSyms));
1995 template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
1996 W.printString("LoadName", SOName);
1999 template <class ELFT>
2000 void ELFDumper<ELFT>::printAttributes() {
2001 W.startLine() << "Attributes not implemented.\n";
2006 template <> void ELFDumper<ELF32LE>::printAttributes() {
2007 const ELFFile<ELF32LE> *Obj = ObjF->getELFFile();
2008 if (Obj->getHeader()->e_machine != EM_ARM) {
2009 W.startLine() << "Attributes not implemented.\n";
2013 DictScope BA(W, "BuildAttributes");
2014 for (const ELFO::Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
2015 if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
2018 ArrayRef<uint8_t> Contents = unwrapOrError(Obj->getSectionContents(&Sec));
2019 if (Contents[0] != ARMBuildAttrs::Format_Version) {
2020 errs() << "unrecognised FormatVersion: 0x"
2021 << Twine::utohexstr(Contents[0]) << '\n';
2025 W.printHex("FormatVersion", Contents[0]);
2026 if (Contents.size() == 1)
2029 ARMAttributeParser(&W).Parse(Contents, true);
2033 template <class ELFT> class MipsGOTParser {
2035 TYPEDEF_ELF_TYPES(ELFT)
2036 using Entry = typename ELFO::Elf_Addr;
2037 using Entries = ArrayRef<Entry>;
2039 const bool IsStatic;
2040 const ELFO * const Obj;
2042 MipsGOTParser(const ELFO *Obj, Elf_Dyn_Range DynTable, Elf_Sym_Range DynSyms);
2044 bool hasGot() const { return !GotEntries.empty(); }
2045 bool hasPlt() const { return !PltEntries.empty(); }
2047 uint64_t getGp() const;
2049 const Entry *getGotLazyResolver() const;
2050 const Entry *getGotModulePointer() const;
2051 const Entry *getPltLazyResolver() const;
2052 const Entry *getPltModulePointer() const;
2054 Entries getLocalEntries() const;
2055 Entries getGlobalEntries() const;
2056 Entries getOtherEntries() const;
2057 Entries getPltEntries() const;
2059 uint64_t getGotAddress(const Entry * E) const;
2060 int64_t getGotOffset(const Entry * E) const;
2061 const Elf_Sym *getGotSym(const Entry *E) const;
2063 uint64_t getPltAddress(const Entry * E) const;
2064 const Elf_Sym *getPltSym(const Entry *E) const;
2066 StringRef getPltStrTable() const { return PltStrTable; }
2069 const Elf_Shdr *GotSec;
2073 const Elf_Shdr *PltSec;
2074 const Elf_Shdr *PltRelSec;
2075 const Elf_Shdr *PltSymTable;
2076 Elf_Sym_Range GotDynSyms;
2077 StringRef PltStrTable;
2083 } // end anonymous namespace
2085 template <class ELFT>
2086 MipsGOTParser<ELFT>::MipsGOTParser(const ELFO *Obj, Elf_Dyn_Range DynTable,
2087 Elf_Sym_Range DynSyms)
2088 : IsStatic(DynTable.empty()), Obj(Obj), GotSec(nullptr), LocalNum(0),
2089 GlobalNum(0), PltSec(nullptr), PltRelSec(nullptr), PltSymTable(nullptr) {
2090 // See "Global Offset Table" in Chapter 5 in the following document
2091 // for detailed GOT description.
2092 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
2094 // Find static GOT secton.
2096 GotSec = findSectionByName(*Obj, ".got");
2098 reportError("Cannot find .got section");
2100 ArrayRef<uint8_t> Content = unwrapOrError(Obj->getSectionContents(GotSec));
2101 GotEntries = Entries(reinterpret_cast<const Entry *>(Content.data()),
2102 Content.size() / sizeof(Entry));
2103 LocalNum = GotEntries.size();
2107 // Lookup dynamic table tags which define GOT/PLT layouts.
2108 Optional<uint64_t> DtPltGot;
2109 Optional<uint64_t> DtLocalGotNum;
2110 Optional<uint64_t> DtGotSym;
2111 Optional<uint64_t> DtMipsPltGot;
2112 Optional<uint64_t> DtJmpRel;
2113 for (const auto &Entry : DynTable) {
2114 switch (Entry.getTag()) {
2115 case ELF::DT_PLTGOT:
2116 DtPltGot = Entry.getVal();
2118 case ELF::DT_MIPS_LOCAL_GOTNO:
2119 DtLocalGotNum = Entry.getVal();
2121 case ELF::DT_MIPS_GOTSYM:
2122 DtGotSym = Entry.getVal();
2124 case ELF::DT_MIPS_PLTGOT:
2125 DtMipsPltGot = Entry.getVal();
2127 case ELF::DT_JMPREL:
2128 DtJmpRel = Entry.getVal();
2133 // Find dynamic GOT section.
2134 if (DtPltGot || DtLocalGotNum || DtGotSym) {
2136 report_fatal_error("Cannot find PLTGOT dynamic table tag.");
2138 report_fatal_error("Cannot find MIPS_LOCAL_GOTNO dynamic table tag.");
2140 report_fatal_error("Cannot find MIPS_GOTSYM dynamic table tag.");
2142 size_t DynSymTotal = DynSyms.size();
2143 if (*DtGotSym > DynSymTotal)
2144 reportError("MIPS_GOTSYM exceeds a number of dynamic symbols");
2146 GotSec = findNotEmptySectionByAddress(Obj, *DtPltGot);
2148 reportError("There is no not empty GOT section at 0x" +
2149 Twine::utohexstr(*DtPltGot));
2151 LocalNum = *DtLocalGotNum;
2152 GlobalNum = DynSymTotal - *DtGotSym;
2154 ArrayRef<uint8_t> Content = unwrapOrError(Obj->getSectionContents(GotSec));
2155 GotEntries = Entries(reinterpret_cast<const Entry *>(Content.data()),
2156 Content.size() / sizeof(Entry));
2157 GotDynSyms = DynSyms.drop_front(*DtGotSym);
2160 // Find PLT section.
2161 if (DtMipsPltGot || DtJmpRel) {
2163 report_fatal_error("Cannot find MIPS_PLTGOT dynamic table tag.");
2165 report_fatal_error("Cannot find JMPREL dynamic table tag.");
2167 PltSec = findNotEmptySectionByAddress(Obj, *DtMipsPltGot);
2169 report_fatal_error("There is no not empty PLTGOT section at 0x " +
2170 Twine::utohexstr(*DtMipsPltGot));
2172 PltRelSec = findNotEmptySectionByAddress(Obj, *DtJmpRel);
2174 report_fatal_error("There is no not empty RELPLT section at 0x" +
2175 Twine::utohexstr(*DtJmpRel));
2177 ArrayRef<uint8_t> PltContent =
2178 unwrapOrError(Obj->getSectionContents(PltSec));
2179 PltEntries = Entries(reinterpret_cast<const Entry *>(PltContent.data()),
2180 PltContent.size() / sizeof(Entry));
2182 PltSymTable = unwrapOrError(Obj->getSection(PltRelSec->sh_link));
2183 PltStrTable = unwrapOrError(Obj->getStringTableForSymtab(*PltSymTable));
2187 template <class ELFT> uint64_t MipsGOTParser<ELFT>::getGp() const {
2188 return GotSec->sh_addr + 0x7ff0;
2191 template <class ELFT>
2192 const typename MipsGOTParser<ELFT>::Entry *
2193 MipsGOTParser<ELFT>::getGotLazyResolver() const {
2194 return LocalNum > 0 ? &GotEntries[0] : nullptr;
2197 template <class ELFT>
2198 const typename MipsGOTParser<ELFT>::Entry *
2199 MipsGOTParser<ELFT>::getGotModulePointer() const {
2202 const Entry &E = GotEntries[1];
2203 if ((E >> (sizeof(Entry) * 8 - 1)) == 0)
2208 template <class ELFT>
2209 typename MipsGOTParser<ELFT>::Entries
2210 MipsGOTParser<ELFT>::getLocalEntries() const {
2211 size_t Skip = getGotModulePointer() ? 2 : 1;
2212 if (LocalNum - Skip <= 0)
2214 return GotEntries.slice(Skip, LocalNum - Skip);
2217 template <class ELFT>
2218 typename MipsGOTParser<ELFT>::Entries
2219 MipsGOTParser<ELFT>::getGlobalEntries() const {
2222 return GotEntries.slice(LocalNum, GlobalNum);
2225 template <class ELFT>
2226 typename MipsGOTParser<ELFT>::Entries
2227 MipsGOTParser<ELFT>::getOtherEntries() const {
2228 size_t OtherNum = GotEntries.size() - LocalNum - GlobalNum;
2231 return GotEntries.slice(LocalNum + GlobalNum, OtherNum);
2234 template <class ELFT>
2235 uint64_t MipsGOTParser<ELFT>::getGotAddress(const Entry *E) const {
2236 int64_t Offset = std::distance(GotEntries.data(), E) * sizeof(Entry);
2237 return GotSec->sh_addr + Offset;
2240 template <class ELFT>
2241 int64_t MipsGOTParser<ELFT>::getGotOffset(const Entry *E) const {
2242 int64_t Offset = std::distance(GotEntries.data(), E) * sizeof(Entry);
2243 return Offset - 0x7ff0;
2246 template <class ELFT>
2247 const typename MipsGOTParser<ELFT>::Elf_Sym *
2248 MipsGOTParser<ELFT>::getGotSym(const Entry *E) const {
2249 int64_t Offset = std::distance(GotEntries.data(), E);
2250 return &GotDynSyms[Offset - LocalNum];
2253 template <class ELFT>
2254 const typename MipsGOTParser<ELFT>::Entry *
2255 MipsGOTParser<ELFT>::getPltLazyResolver() const {
2256 return PltEntries.empty() ? nullptr : &PltEntries[0];
2259 template <class ELFT>
2260 const typename MipsGOTParser<ELFT>::Entry *
2261 MipsGOTParser<ELFT>::getPltModulePointer() const {
2262 return PltEntries.size() < 2 ? nullptr : &PltEntries[1];
2265 template <class ELFT>
2266 typename MipsGOTParser<ELFT>::Entries
2267 MipsGOTParser<ELFT>::getPltEntries() const {
2268 if (PltEntries.size() <= 2)
2270 return PltEntries.slice(2, PltEntries.size() - 2);
2273 template <class ELFT>
2274 uint64_t MipsGOTParser<ELFT>::getPltAddress(const Entry *E) const {
2275 int64_t Offset = std::distance(PltEntries.data(), E) * sizeof(Entry);
2276 return PltSec->sh_addr + Offset;
2279 template <class ELFT>
2280 const typename MipsGOTParser<ELFT>::Elf_Sym *
2281 MipsGOTParser<ELFT>::getPltSym(const Entry *E) const {
2282 int64_t Offset = std::distance(getPltEntries().data(), E);
2283 if (PltRelSec->sh_type == ELF::SHT_REL) {
2284 Elf_Rel_Range Rels = unwrapOrError(Obj->rels(PltRelSec));
2285 return unwrapOrError(Obj->getRelocationSymbol(&Rels[Offset], PltSymTable));
2287 Elf_Rela_Range Rels = unwrapOrError(Obj->relas(PltRelSec));
2288 return unwrapOrError(Obj->getRelocationSymbol(&Rels[Offset], PltSymTable));
2292 template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
2293 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
2294 if (Obj->getHeader()->e_machine != EM_MIPS)
2295 reportError("MIPS PLT GOT is available for MIPS targets only");
2297 MipsGOTParser<ELFT> Parser(Obj, dynamic_table(), dynamic_symbols());
2298 if (Parser.hasGot())
2299 ELFDumperStyle->printMipsGOT(Parser);
2300 if (Parser.hasPlt())
2301 ELFDumperStyle->printMipsPLT(Parser);
2304 static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
2305 {"None", Mips::AFL_EXT_NONE},
2306 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
2307 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
2308 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
2309 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
2310 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
2311 {"LSI R4010", Mips::AFL_EXT_4010},
2312 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
2313 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
2314 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
2315 {"MIPS R4650", Mips::AFL_EXT_4650},
2316 {"MIPS R5900", Mips::AFL_EXT_5900},
2317 {"MIPS R10000", Mips::AFL_EXT_10000},
2318 {"NEC VR4100", Mips::AFL_EXT_4100},
2319 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
2320 {"NEC VR4120", Mips::AFL_EXT_4120},
2321 {"NEC VR5400", Mips::AFL_EXT_5400},
2322 {"NEC VR5500", Mips::AFL_EXT_5500},
2323 {"RMI Xlr", Mips::AFL_EXT_XLR},
2324 {"Toshiba R3900", Mips::AFL_EXT_3900}
2327 static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
2328 {"DSP", Mips::AFL_ASE_DSP},
2329 {"DSPR2", Mips::AFL_ASE_DSPR2},
2330 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
2331 {"MCU", Mips::AFL_ASE_MCU},
2332 {"MDMX", Mips::AFL_ASE_MDMX},
2333 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
2334 {"MT", Mips::AFL_ASE_MT},
2335 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
2336 {"VZ", Mips::AFL_ASE_VIRT},
2337 {"MSA", Mips::AFL_ASE_MSA},
2338 {"MIPS16", Mips::AFL_ASE_MIPS16},
2339 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
2340 {"XPA", Mips::AFL_ASE_XPA},
2341 {"CRC", Mips::AFL_ASE_CRC},
2342 {"GINV", Mips::AFL_ASE_GINV},
2345 static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
2346 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
2347 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
2348 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
2349 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
2350 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
2351 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
2352 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
2353 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
2354 {"Hard float compat (32-bit CPU, 64-bit FPU)",
2355 Mips::Val_GNU_MIPS_ABI_FP_64A}
2358 static const EnumEntry<unsigned> ElfMipsFlags1[] {
2359 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
2362 static int getMipsRegisterSize(uint8_t Flag) {
2364 case Mips::AFL_REG_NONE:
2366 case Mips::AFL_REG_32:
2368 case Mips::AFL_REG_64:
2370 case Mips::AFL_REG_128:
2377 template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
2378 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
2379 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
2381 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
2384 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2385 if (Sec.size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
2386 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
2390 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec.data());
2392 raw_ostream &OS = W.getOStream();
2393 DictScope GS(W, "MIPS ABI Flags");
2395 W.printNumber("Version", Flags->version);
2396 W.startLine() << "ISA: ";
2397 if (Flags->isa_rev <= 1)
2398 OS << format("MIPS%u", Flags->isa_level);
2400 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
2402 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
2403 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
2404 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
2405 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
2406 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
2407 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
2408 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
2409 W.printHex("Flags 2", Flags->flags2);
2412 template <class ELFT>
2413 static void printMipsReginfoData(ScopedPrinter &W,
2414 const Elf_Mips_RegInfo<ELFT> &Reginfo) {
2415 W.printHex("GP", Reginfo.ri_gp_value);
2416 W.printHex("General Mask", Reginfo.ri_gprmask);
2417 W.printHex("Co-Proc Mask0", Reginfo.ri_cprmask[0]);
2418 W.printHex("Co-Proc Mask1", Reginfo.ri_cprmask[1]);
2419 W.printHex("Co-Proc Mask2", Reginfo.ri_cprmask[2]);
2420 W.printHex("Co-Proc Mask3", Reginfo.ri_cprmask[3]);
2423 template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
2424 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
2425 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
2427 W.startLine() << "There is no .reginfo section in the file.\n";
2430 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2431 if (Sec.size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
2432 W.startLine() << "The .reginfo section has a wrong size.\n";
2436 DictScope GS(W, "MIPS RegInfo");
2437 auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec.data());
2438 printMipsReginfoData(W, *Reginfo);
2441 template <class ELFT> void ELFDumper<ELFT>::printMipsOptions() {
2442 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
2443 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.options");
2445 W.startLine() << "There is no .MIPS.options section in the file.\n";
2449 DictScope GS(W, "MIPS Options");
2451 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2452 while (!Sec.empty()) {
2453 if (Sec.size() < sizeof(Elf_Mips_Options<ELFT>)) {
2454 W.startLine() << "The .MIPS.options section has a wrong size.\n";
2457 auto *O = reinterpret_cast<const Elf_Mips_Options<ELFT> *>(Sec.data());
2458 DictScope GS(W, getElfMipsOptionsOdkType(O->kind));
2461 printMipsReginfoData(W, O->getRegInfo());
2464 W.startLine() << "Unsupported MIPS options tag.\n";
2467 Sec = Sec.slice(O->size);
2471 template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
2472 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
2473 const Elf_Shdr *StackMapSection = nullptr;
2474 for (const auto &Sec : unwrapOrError(Obj->sections())) {
2475 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2476 if (Name == ".llvm_stackmaps") {
2477 StackMapSection = &Sec;
2482 if (!StackMapSection)
2485 ArrayRef<uint8_t> StackMapContentsArray =
2486 unwrapOrError(Obj->getSectionContents(StackMapSection));
2488 prettyPrintStackMap(
2489 W, StackMapV2Parser<ELFT::TargetEndianness>(StackMapContentsArray));
2492 template <class ELFT> void ELFDumper<ELFT>::printGroupSections() {
2493 ELFDumperStyle->printGroupSections(ObjF->getELFFile());
2496 template <class ELFT> void ELFDumper<ELFT>::printAddrsig() {
2497 ELFDumperStyle->printAddrsig(ObjF->getELFFile());
2500 static inline void printFields(formatted_raw_ostream &OS, StringRef Str1,
2504 OS.PadToColumn(37u);
2509 template <class ELFT>
2510 static std::string getSectionHeadersNumString(const ELFFile<ELFT> *Obj) {
2511 const typename ELFT::Ehdr *ElfHeader = Obj->getHeader();
2512 if (ElfHeader->e_shnum != 0)
2513 return to_string(ElfHeader->e_shnum);
2515 ArrayRef<typename ELFT::Shdr> Arr = unwrapOrError(Obj->sections());
2518 return "0 (" + to_string(Arr[0].sh_size) + ")";
2521 template <class ELFT>
2522 static std::string getSectionHeaderTableIndexString(const ELFFile<ELFT> *Obj) {
2523 const typename ELFT::Ehdr *ElfHeader = Obj->getHeader();
2524 if (ElfHeader->e_shstrndx != SHN_XINDEX)
2525 return to_string(ElfHeader->e_shstrndx);
2527 ArrayRef<typename ELFT::Shdr> Arr = unwrapOrError(Obj->sections());
2529 return "65535 (corrupt: out of range)";
2530 return to_string(ElfHeader->e_shstrndx) + " (" + to_string(Arr[0].sh_link) + ")";
2533 template <class ELFT> void GNUStyle<ELFT>::printFileHeaders(const ELFO *Obj) {
2534 const Elf_Ehdr *e = Obj->getHeader();
2535 OS << "ELF Header:\n";
2538 for (int i = 0; i < ELF::EI_NIDENT; i++)
2539 OS << format(" %02x", static_cast<int>(e->e_ident[i]));
2541 Str = printEnum(e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
2542 printFields(OS, "Class:", Str);
2543 Str = printEnum(e->e_ident[ELF::EI_DATA], makeArrayRef(ElfDataEncoding));
2544 printFields(OS, "Data:", Str);
2547 OS.PadToColumn(37u);
2548 OS << to_hexString(e->e_ident[ELF::EI_VERSION]);
2549 if (e->e_version == ELF::EV_CURRENT)
2552 Str = printEnum(e->e_ident[ELF::EI_OSABI], makeArrayRef(ElfOSABI));
2553 printFields(OS, "OS/ABI:", Str);
2554 Str = "0x" + to_hexString(e->e_ident[ELF::EI_ABIVERSION]);
2555 printFields(OS, "ABI Version:", Str);
2556 Str = printEnum(e->e_type, makeArrayRef(ElfObjectFileType));
2557 printFields(OS, "Type:", Str);
2558 Str = printEnum(e->e_machine, makeArrayRef(ElfMachineType));
2559 printFields(OS, "Machine:", Str);
2560 Str = "0x" + to_hexString(e->e_version);
2561 printFields(OS, "Version:", Str);
2562 Str = "0x" + to_hexString(e->e_entry);
2563 printFields(OS, "Entry point address:", Str);
2564 Str = to_string(e->e_phoff) + " (bytes into file)";
2565 printFields(OS, "Start of program headers:", Str);
2566 Str = to_string(e->e_shoff) + " (bytes into file)";
2567 printFields(OS, "Start of section headers:", Str);
2568 std::string ElfFlags;
2569 if (e->e_machine == EM_MIPS)
2571 printFlags(e->e_flags, makeArrayRef(ElfHeaderMipsFlags),
2572 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
2573 unsigned(ELF::EF_MIPS_MACH));
2574 else if (e->e_machine == EM_RISCV)
2575 ElfFlags = printFlags(e->e_flags, makeArrayRef(ElfHeaderRISCVFlags));
2576 Str = "0x" + to_hexString(e->e_flags);
2577 if (!ElfFlags.empty())
2578 Str = Str + ", " + ElfFlags;
2579 printFields(OS, "Flags:", Str);
2580 Str = to_string(e->e_ehsize) + " (bytes)";
2581 printFields(OS, "Size of this header:", Str);
2582 Str = to_string(e->e_phentsize) + " (bytes)";
2583 printFields(OS, "Size of program headers:", Str);
2584 Str = to_string(e->e_phnum);
2585 printFields(OS, "Number of program headers:", Str);
2586 Str = to_string(e->e_shentsize) + " (bytes)";
2587 printFields(OS, "Size of section headers:", Str);
2588 Str = getSectionHeadersNumString(Obj);
2589 printFields(OS, "Number of section headers:", Str);
2590 Str = getSectionHeaderTableIndexString(Obj);
2591 printFields(OS, "Section header string table index:", Str);
2595 struct GroupMember {
2600 struct GroupSection {
2602 StringRef Signature;
2608 std::vector<GroupMember> Members;
2611 template <class ELFT>
2612 std::vector<GroupSection> getGroups(const ELFFile<ELFT> *Obj) {
2613 using Elf_Shdr = typename ELFT::Shdr;
2614 using Elf_Sym = typename ELFT::Sym;
2615 using Elf_Word = typename ELFT::Word;
2617 std::vector<GroupSection> Ret;
2619 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
2621 if (Sec.sh_type != ELF::SHT_GROUP)
2624 const Elf_Shdr *Symtab = unwrapOrError(Obj->getSection(Sec.sh_link));
2625 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
2626 const Elf_Sym *Sym =
2627 unwrapOrError(Obj->template getEntry<Elf_Sym>(Symtab, Sec.sh_info));
2629 unwrapOrError(Obj->template getSectionContentsAsArray<Elf_Word>(&Sec));
2631 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2632 StringRef Signature = StrTable.data() + Sym->st_name;
2633 Ret.push_back({Name,
2642 std::vector<GroupMember> &GM = Ret.back().Members;
2643 for (uint32_t Ndx : Data.slice(1)) {
2644 auto Sec = unwrapOrError(Obj->getSection(Ndx));
2645 const StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
2646 GM.push_back({Name, Ndx});
2652 DenseMap<uint64_t, const GroupSection *>
2653 mapSectionsToGroups(ArrayRef<GroupSection> Groups) {
2654 DenseMap<uint64_t, const GroupSection *> Ret;
2655 for (const GroupSection &G : Groups)
2656 for (const GroupMember &GM : G.Members)
2657 Ret.insert({GM.Index, &G});
2663 template <class ELFT> void GNUStyle<ELFT>::printGroupSections(const ELFO *Obj) {
2664 std::vector<GroupSection> V = getGroups<ELFT>(Obj);
2665 DenseMap<uint64_t, const GroupSection *> Map = mapSectionsToGroups(V);
2666 for (const GroupSection &G : V) {
2668 << getGroupType(G.Type) << " group section ["
2669 << format_decimal(G.Index, 5) << "] `" << G.Name << "' [" << G.Signature
2670 << "] contains " << G.Members.size() << " sections:\n"
2671 << " [Index] Name\n";
2672 for (const GroupMember &GM : G.Members) {
2673 const GroupSection *MainGroup = Map[GM.Index];
2674 if (MainGroup != &G) {
2676 errs() << "Error: section [" << format_decimal(GM.Index, 5)
2677 << "] in group section [" << format_decimal(G.Index, 5)
2678 << "] already in group section ["
2679 << format_decimal(MainGroup->Index, 5) << "]";
2683 OS << " [" << format_decimal(GM.Index, 5) << "] " << GM.Name << "\n";
2688 OS << "There are no section groups in this file.\n";
2691 template <class ELFT>
2692 void GNUStyle<ELFT>::printRelocation(const ELFO *Obj, const Elf_Shdr *SymTab,
2693 const Elf_Rela &R, bool IsRela) {
2694 std::string Offset, Info, Addend, Value;
2695 SmallString<32> RelocName;
2696 StringRef TargetName;
2697 const Elf_Sym *Sym = nullptr;
2698 unsigned Width = ELFT::Is64Bits ? 16 : 8;
2699 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
2701 // First two fields are bit width dependent. The rest of them are after are
2703 Field Fields[5] = {0, 10 + Bias, 19 + 2 * Bias, 42 + 2 * Bias, 53 + 2 * Bias};
2704 Obj->getRelocationTypeName(R.getType(Obj->isMips64EL()), RelocName);
2705 Sym = unwrapOrError(Obj->getRelocationSymbol(&R, SymTab));
2706 if (Sym && Sym->getType() == ELF::STT_SECTION) {
2707 const Elf_Shdr *Sec = unwrapOrError(
2708 Obj->getSection(Sym, SymTab, this->dumper()->getShndxTable()));
2709 TargetName = unwrapOrError(Obj->getSectionName(Sec));
2711 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
2712 TargetName = unwrapOrError(Sym->getName(StrTable));
2715 if (Sym && IsRela) {
2722 Offset = to_string(format_hex_no_prefix(R.r_offset, Width));
2723 Info = to_string(format_hex_no_prefix(R.r_info, Width));
2725 int64_t RelAddend = R.r_addend;
2727 Addend += to_hexString(std::abs(RelAddend), false);
2730 Value = to_string(format_hex_no_prefix(Sym->getValue(), Width));
2732 Fields[0].Str = Offset;
2733 Fields[1].Str = Info;
2734 Fields[2].Str = RelocName;
2735 Fields[3].Str = Value;
2736 Fields[4].Str = TargetName;
2737 for (auto &field : Fields)
2743 template <class ELFT> void GNUStyle<ELFT>::printRelocHeader(unsigned SType) {
2744 bool IsRela = SType == ELF::SHT_RELA || SType == ELF::SHT_ANDROID_RELA;
2745 bool IsRelr = SType == ELF::SHT_RELR || SType == ELF::SHT_ANDROID_RELR;
2750 if (IsRelr && opts::RawRelr)
2756 << " Symbol's Value Symbol's Name";
2758 OS << " Info Type Sym. Value Symbol's Name";
2764 template <class ELFT> void GNUStyle<ELFT>::printRelocations(const ELFO *Obj) {
2765 bool HasRelocSections = false;
2766 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
2767 if (Sec.sh_type != ELF::SHT_REL &&
2768 Sec.sh_type != ELF::SHT_RELA &&
2769 Sec.sh_type != ELF::SHT_RELR &&
2770 Sec.sh_type != ELF::SHT_ANDROID_REL &&
2771 Sec.sh_type != ELF::SHT_ANDROID_RELA &&
2772 Sec.sh_type != ELF::SHT_ANDROID_RELR)
2774 HasRelocSections = true;
2775 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2776 unsigned Entries = Sec.getEntityCount();
2777 std::vector<Elf_Rela> AndroidRelas;
2778 if (Sec.sh_type == ELF::SHT_ANDROID_REL ||
2779 Sec.sh_type == ELF::SHT_ANDROID_RELA) {
2780 // Android's packed relocation section needs to be unpacked first
2781 // to get the actual number of entries.
2782 AndroidRelas = unwrapOrError(Obj->android_relas(&Sec));
2783 Entries = AndroidRelas.size();
2785 std::vector<Elf_Rela> RelrRelas;
2786 if (!opts::RawRelr && (Sec.sh_type == ELF::SHT_RELR ||
2787 Sec.sh_type == ELF::SHT_ANDROID_RELR)) {
2788 // .relr.dyn relative relocation section needs to be unpacked first
2789 // to get the actual number of entries.
2790 Elf_Relr_Range Relrs = unwrapOrError(Obj->relrs(&Sec));
2791 RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
2792 Entries = RelrRelas.size();
2794 uintX_t Offset = Sec.sh_offset;
2795 OS << "\nRelocation section '" << Name << "' at offset 0x"
2796 << to_hexString(Offset, false) << " contains " << Entries
2798 printRelocHeader(Sec.sh_type);
2799 const Elf_Shdr *SymTab = unwrapOrError(Obj->getSection(Sec.sh_link));
2800 switch (Sec.sh_type) {
2802 for (const auto &R : unwrapOrError(Obj->rels(&Sec))) {
2804 Rela.r_offset = R.r_offset;
2805 Rela.r_info = R.r_info;
2807 printRelocation(Obj, SymTab, Rela, false);
2811 for (const auto &R : unwrapOrError(Obj->relas(&Sec)))
2812 printRelocation(Obj, SymTab, R, true);
2815 case ELF::SHT_ANDROID_RELR:
2817 for (const auto &R : unwrapOrError(Obj->relrs(&Sec)))
2818 OS << to_string(format_hex_no_prefix(R, ELFT::Is64Bits ? 16 : 8))
2821 for (const auto &R : RelrRelas)
2822 printRelocation(Obj, SymTab, R, false);
2824 case ELF::SHT_ANDROID_REL:
2825 case ELF::SHT_ANDROID_RELA:
2826 for (const auto &R : AndroidRelas)
2827 printRelocation(Obj, SymTab, R, Sec.sh_type == ELF::SHT_ANDROID_RELA);
2831 if (!HasRelocSections)
2832 OS << "\nThere are no relocations in this file.\n";
2835 std::string getSectionTypeString(unsigned Arch, unsigned Type) {
2836 using namespace ELF;
2843 case SHT_ARM_PREEMPTMAP:
2844 return "ARM_PREEMPTMAP";
2845 case SHT_ARM_ATTRIBUTES:
2846 return "ARM_ATTRIBUTES";
2847 case SHT_ARM_DEBUGOVERLAY:
2848 return "ARM_DEBUGOVERLAY";
2849 case SHT_ARM_OVERLAYSECTION:
2850 return "ARM_OVERLAYSECTION";
2855 case SHT_X86_64_UNWIND:
2856 return "X86_64_UNWIND";
2860 case EM_MIPS_RS3_LE:
2862 case SHT_MIPS_REGINFO:
2863 return "MIPS_REGINFO";
2864 case SHT_MIPS_OPTIONS:
2865 return "MIPS_OPTIONS";
2866 case SHT_MIPS_ABIFLAGS:
2867 return "MIPS_ABIFLAGS";
2868 case SHT_MIPS_DWARF:
2869 return "SHT_MIPS_DWARF";
2898 case SHT_INIT_ARRAY:
2899 return "INIT_ARRAY";
2900 case SHT_FINI_ARRAY:
2901 return "FINI_ARRAY";
2902 case SHT_PREINIT_ARRAY:
2903 return "PREINIT_ARRAY";
2906 case SHT_SYMTAB_SHNDX:
2907 return "SYMTAB SECTION INDICES";
2909 case SHT_ANDROID_RELR:
2911 case SHT_LLVM_ODRTAB:
2912 return "LLVM_ODRTAB";
2913 case SHT_LLVM_LINKER_OPTIONS:
2914 return "LLVM_LINKER_OPTIONS";
2915 case SHT_LLVM_CALL_GRAPH_PROFILE:
2916 return "LLVM_CALL_GRAPH_PROFILE";
2917 case SHT_LLVM_ADDRSIG:
2918 return "LLVM_ADDRSIG";
2919 // FIXME: Parse processor specific GNU attributes
2920 case SHT_GNU_ATTRIBUTES:
2921 return "ATTRIBUTES";
2924 case SHT_GNU_verdef:
2926 case SHT_GNU_verneed:
2928 case SHT_GNU_versym:
2936 template <class ELFT>
2937 void GNUStyle<ELFT>::printSectionHeaders(const ELFO *Obj) {
2938 size_t SectionIndex = 0;
2939 std::string Number, Type, Size, Address, Offset, Flags, Link, Info, EntrySize,
2944 if (ELFT::Is64Bits) {
2952 ArrayRef<Elf_Shdr> Sections = unwrapOrError(Obj->sections());
2953 OS << "There are " << to_string(Sections.size())
2954 << " section headers, starting at offset "
2955 << "0x" << to_hexString(Obj->getHeader()->e_shoff, false) << ":\n\n";
2956 OS << "Section Headers:\n";
2957 Field Fields[11] = {{"[Nr]", 2},
2962 {"Size", 65 - Bias},
2968 for (auto &f : Fields)
2972 for (const Elf_Shdr &Sec : Sections) {
2973 Number = to_string(SectionIndex);
2974 Fields[0].Str = Number;
2975 Fields[1].Str = unwrapOrError(Obj->getSectionName(&Sec));
2976 Type = getSectionTypeString(Obj->getHeader()->e_machine, Sec.sh_type);
2977 Fields[2].Str = Type;
2978 Address = to_string(format_hex_no_prefix(Sec.sh_addr, Width));
2979 Fields[3].Str = Address;
2980 Offset = to_string(format_hex_no_prefix(Sec.sh_offset, 6));
2981 Fields[4].Str = Offset;
2982 Size = to_string(format_hex_no_prefix(Sec.sh_size, 6));
2983 Fields[5].Str = Size;
2984 EntrySize = to_string(format_hex_no_prefix(Sec.sh_entsize, 2));
2985 Fields[6].Str = EntrySize;
2986 Flags = getGNUFlags(Sec.sh_flags);
2987 Fields[7].Str = Flags;
2988 Link = to_string(Sec.sh_link);
2989 Fields[8].Str = Link;
2990 Info = to_string(Sec.sh_info);
2991 Fields[9].Str = Info;
2992 Alignment = to_string(Sec.sh_addralign);
2993 Fields[10].Str = Alignment;
2994 OS.PadToColumn(Fields[0].Column);
2995 OS << "[" << right_justify(Fields[0].Str, 2) << "]";
2996 for (int i = 1; i < 7; i++)
2997 printField(Fields[i]);
2998 OS.PadToColumn(Fields[7].Column);
2999 OS << right_justify(Fields[7].Str, 3);
3000 OS.PadToColumn(Fields[8].Column);
3001 OS << right_justify(Fields[8].Str, 2);
3002 OS.PadToColumn(Fields[9].Column);
3003 OS << right_justify(Fields[9].Str, 3);
3004 OS.PadToColumn(Fields[10].Column);
3005 OS << right_justify(Fields[10].Str, 2);
3009 OS << "Key to Flags:\n"
3010 << " W (write), A (alloc), X (execute), M (merge), S (strings), l "
3012 << " I (info), L (link order), G (group), T (TLS), E (exclude),\
3014 << " O (extra OS processing required) o (OS specific),\
3015 p (processor specific)\n";
3018 template <class ELFT>
3019 void GNUStyle<ELFT>::printSymtabMessage(const ELFO *Obj, StringRef Name,
3022 OS << "\nSymbol table '" << Name << "' contains " << Entries
3025 OS << "\n Symbol table for image:\n";
3028 OS << " Num: Value Size Type Bind Vis Ndx Name\n";
3030 OS << " Num: Value Size Type Bind Vis Ndx Name\n";
3033 template <class ELFT>
3034 std::string GNUStyle<ELFT>::getSymbolSectionNdx(const ELFO *Obj,
3035 const Elf_Sym *Symbol,
3036 const Elf_Sym *FirstSym) {
3037 unsigned SectionIndex = Symbol->st_shndx;
3038 switch (SectionIndex) {
3039 case ELF::SHN_UNDEF:
3043 case ELF::SHN_COMMON:
3045 case ELF::SHN_XINDEX:
3046 SectionIndex = unwrapOrError(object::getExtendedSymbolTableIndex<ELFT>(
3047 Symbol, FirstSym, this->dumper()->getShndxTable()));
3051 // Processor specific
3052 if (SectionIndex >= ELF::SHN_LOPROC && SectionIndex <= ELF::SHN_HIPROC)
3053 return std::string("PRC[0x") +
3054 to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
3056 if (SectionIndex >= ELF::SHN_LOOS && SectionIndex <= ELF::SHN_HIOS)
3057 return std::string("OS[0x") +
3058 to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
3059 // Architecture reserved:
3060 if (SectionIndex >= ELF::SHN_LORESERVE &&
3061 SectionIndex <= ELF::SHN_HIRESERVE)
3062 return std::string("RSV[0x") +
3063 to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
3064 // A normal section with an index
3065 return to_string(format_decimal(SectionIndex, 3));
3069 template <class ELFT>
3070 void GNUStyle<ELFT>::printSymbol(const ELFO *Obj, const Elf_Sym *Symbol,
3071 const Elf_Sym *FirstSym, StringRef StrTable,
3074 static bool Dynamic = true;
3077 // If this function was called with a different value from IsDynamic
3078 // from last call, happens when we move from dynamic to static symbol
3079 // table, "Num" field should be reset.
3080 if (!Dynamic != !IsDynamic) {
3084 std::string Num, Name, Value, Size, Binding, Type, Visibility, Section;
3086 if (ELFT::Is64Bits) {
3093 Field Fields[8] = {0, 8, 17 + Bias, 23 + Bias,
3094 31 + Bias, 38 + Bias, 47 + Bias, 51 + Bias};
3095 Num = to_string(format_decimal(Idx++, 6)) + ":";
3096 Value = to_string(format_hex_no_prefix(Symbol->st_value, Width));
3097 Size = to_string(format_decimal(Symbol->st_size, 5));
3098 unsigned char SymbolType = Symbol->getType();
3099 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
3100 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
3101 Type = printEnum(SymbolType, makeArrayRef(AMDGPUSymbolTypes));
3103 Type = printEnum(SymbolType, makeArrayRef(ElfSymbolTypes));
3104 unsigned Vis = Symbol->getVisibility();
3105 Binding = printEnum(Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
3106 Visibility = printEnum(Vis, makeArrayRef(ElfSymbolVisibilities));
3107 Section = getSymbolSectionNdx(Obj, Symbol, FirstSym);
3108 Name = this->dumper()->getFullSymbolName(Symbol, StrTable, IsDynamic);
3109 Fields[0].Str = Num;
3110 Fields[1].Str = Value;
3111 Fields[2].Str = Size;
3112 Fields[3].Str = Type;
3113 Fields[4].Str = Binding;
3114 Fields[5].Str = Visibility;
3115 Fields[6].Str = Section;
3116 Fields[7].Str = Name;
3117 for (auto &Entry : Fields)
3121 template <class ELFT>
3122 void GNUStyle<ELFT>::printHashedSymbol(const ELFO *Obj, const Elf_Sym *FirstSym,
3123 uint32_t Sym, StringRef StrTable,
3125 std::string Num, Buc, Name, Value, Size, Binding, Type, Visibility, Section;
3126 unsigned Width, Bias = 0;
3127 if (ELFT::Is64Bits) {
3134 Field Fields[9] = {0, 6, 11, 20 + Bias, 25 + Bias,
3135 34 + Bias, 41 + Bias, 49 + Bias, 53 + Bias};
3136 Num = to_string(format_decimal(Sym, 5));
3137 Buc = to_string(format_decimal(Bucket, 3)) + ":";
3139 const auto Symbol = FirstSym + Sym;
3140 Value = to_string(format_hex_no_prefix(Symbol->st_value, Width));
3141 Size = to_string(format_decimal(Symbol->st_size, 5));
3142 unsigned char SymbolType = Symbol->getType();
3143 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
3144 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
3145 Type = printEnum(SymbolType, makeArrayRef(AMDGPUSymbolTypes));
3147 Type = printEnum(SymbolType, makeArrayRef(ElfSymbolTypes));
3148 unsigned Vis = Symbol->getVisibility();
3149 Binding = printEnum(Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
3150 Visibility = printEnum(Vis, makeArrayRef(ElfSymbolVisibilities));
3151 Section = getSymbolSectionNdx(Obj, Symbol, FirstSym);
3152 Name = this->dumper()->getFullSymbolName(Symbol, StrTable, true);
3153 Fields[0].Str = Num;
3154 Fields[1].Str = Buc;
3155 Fields[2].Str = Value;
3156 Fields[3].Str = Size;
3157 Fields[4].Str = Type;
3158 Fields[5].Str = Binding;
3159 Fields[6].Str = Visibility;
3160 Fields[7].Str = Section;
3161 Fields[8].Str = Name;
3162 for (auto &Entry : Fields)
3167 template <class ELFT> void GNUStyle<ELFT>::printSymbols(const ELFO *Obj) {
3168 if (opts::DynamicSymbols)
3170 this->dumper()->printSymbolsHelper(true);
3171 this->dumper()->printSymbolsHelper(false);
3174 template <class ELFT>
3175 void GNUStyle<ELFT>::printDynamicSymbols(const ELFO *Obj) {
3176 if (this->dumper()->getDynamicStringTable().empty())
3178 auto StringTable = this->dumper()->getDynamicStringTable();
3179 auto DynSyms = this->dumper()->dynamic_symbols();
3180 auto GnuHash = this->dumper()->getGnuHashTable();
3181 auto SysVHash = this->dumper()->getHashTable();
3183 // If no hash or .gnu.hash found, try using symbol table
3184 if (GnuHash == nullptr && SysVHash == nullptr)
3185 this->dumper()->printSymbolsHelper(true);
3187 // Try printing .hash
3188 if (this->dumper()->getHashTable()) {
3189 OS << "\n Symbol table of .hash for image:\n";
3191 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
3193 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
3196 uint32_t NBuckets = SysVHash->nbucket;
3197 uint32_t NChains = SysVHash->nchain;
3198 auto Buckets = SysVHash->buckets();
3199 auto Chains = SysVHash->chains();
3200 for (uint32_t Buc = 0; Buc < NBuckets; Buc++) {
3201 if (Buckets[Buc] == ELF::STN_UNDEF)
3203 for (uint32_t Ch = Buckets[Buc]; Ch < NChains; Ch = Chains[Ch]) {
3204 if (Ch == ELF::STN_UNDEF)
3206 printHashedSymbol(Obj, &DynSyms[0], Ch, StringTable, Buc);
3211 // Try printing .gnu.hash
3213 OS << "\n Symbol table of .gnu.hash for image:\n";
3215 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
3217 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
3219 uint32_t NBuckets = GnuHash->nbuckets;
3220 auto Buckets = GnuHash->buckets();
3221 for (uint32_t Buc = 0; Buc < NBuckets; Buc++) {
3222 if (Buckets[Buc] == ELF::STN_UNDEF)
3224 uint32_t Index = Buckets[Buc];
3225 uint32_t GnuHashable = Index - GnuHash->symndx;
3226 // Print whole chain
3228 printHashedSymbol(Obj, &DynSyms[0], Index++, StringTable, Buc);
3229 // Chain ends at symbol with stopper bit
3230 if ((GnuHash->values(DynSyms.size())[GnuHashable++] & 1) == 1)
3237 static inline std::string printPhdrFlags(unsigned Flag) {
3239 Str = (Flag & PF_R) ? "R" : " ";
3240 Str += (Flag & PF_W) ? "W" : " ";
3241 Str += (Flag & PF_X) ? "E" : " ";
3245 // SHF_TLS sections are only in PT_TLS, PT_LOAD or PT_GNU_RELRO
3246 // PT_TLS must only have SHF_TLS sections
3247 template <class ELFT>
3248 bool GNUStyle<ELFT>::checkTLSSections(const Elf_Phdr &Phdr,
3249 const Elf_Shdr &Sec) {
3250 return (((Sec.sh_flags & ELF::SHF_TLS) &&
3251 ((Phdr.p_type == ELF::PT_TLS) || (Phdr.p_type == ELF::PT_LOAD) ||
3252 (Phdr.p_type == ELF::PT_GNU_RELRO))) ||
3253 (!(Sec.sh_flags & ELF::SHF_TLS) && Phdr.p_type != ELF::PT_TLS));
3256 // Non-SHT_NOBITS must have its offset inside the segment
3257 // Only non-zero section can be at end of segment
3258 template <class ELFT>
3259 bool GNUStyle<ELFT>::checkoffsets(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
3260 if (Sec.sh_type == ELF::SHT_NOBITS)
3263 (Sec.sh_type == ELF::SHT_NOBITS) && ((Sec.sh_flags & ELF::SHF_TLS) != 0);
3264 // .tbss is special, it only has memory in PT_TLS and has NOBITS properties
3266 (IsSpecial && Phdr.p_type != ELF::PT_TLS) ? 0 : Sec.sh_size;
3267 if (Sec.sh_offset >= Phdr.p_offset)
3268 return ((Sec.sh_offset + SectionSize <= Phdr.p_filesz + Phdr.p_offset)
3269 /*only non-zero sized sections at end*/ &&
3270 (Sec.sh_offset + 1 <= Phdr.p_offset + Phdr.p_filesz));
3274 // SHF_ALLOC must have VMA inside segment
3275 // Only non-zero section can be at end of segment
3276 template <class ELFT>
3277 bool GNUStyle<ELFT>::checkVMA(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
3278 if (!(Sec.sh_flags & ELF::SHF_ALLOC))
3281 (Sec.sh_type == ELF::SHT_NOBITS) && ((Sec.sh_flags & ELF::SHF_TLS) != 0);
3282 // .tbss is special, it only has memory in PT_TLS and has NOBITS properties
3284 (IsSpecial && Phdr.p_type != ELF::PT_TLS) ? 0 : Sec.sh_size;
3285 if (Sec.sh_addr >= Phdr.p_vaddr)
3286 return ((Sec.sh_addr + SectionSize <= Phdr.p_vaddr + Phdr.p_memsz) &&
3287 (Sec.sh_addr + 1 <= Phdr.p_vaddr + Phdr.p_memsz));
3291 // No section with zero size must be at start or end of PT_DYNAMIC
3292 template <class ELFT>
3293 bool GNUStyle<ELFT>::checkPTDynamic(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
3294 if (Phdr.p_type != ELF::PT_DYNAMIC || Sec.sh_size != 0 || Phdr.p_memsz == 0)
3296 // Is section within the phdr both based on offset and VMA ?
3297 return ((Sec.sh_type == ELF::SHT_NOBITS) ||
3298 (Sec.sh_offset > Phdr.p_offset &&
3299 Sec.sh_offset < Phdr.p_offset + Phdr.p_filesz)) &&
3300 (!(Sec.sh_flags & ELF::SHF_ALLOC) ||
3301 (Sec.sh_addr > Phdr.p_vaddr && Sec.sh_addr < Phdr.p_memsz));
3304 template <class ELFT>
3305 void GNUStyle<ELFT>::printProgramHeaders(const ELFO *Obj) {
3306 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
3307 unsigned Width = ELFT::Is64Bits ? 18 : 10;
3308 unsigned SizeWidth = ELFT::Is64Bits ? 8 : 7;
3309 std::string Type, Offset, VMA, LMA, FileSz, MemSz, Flag, Align;
3311 const Elf_Ehdr *Header = Obj->getHeader();
3312 Field Fields[8] = {2, 17, 26, 37 + Bias,
3313 48 + Bias, 56 + Bias, 64 + Bias, 68 + Bias};
3314 OS << "\nElf file type is "
3315 << printEnum(Header->e_type, makeArrayRef(ElfObjectFileType)) << "\n"
3316 << "Entry point " << format_hex(Header->e_entry, 3) << "\n"
3317 << "There are " << Header->e_phnum << " program headers,"
3318 << " starting at offset " << Header->e_phoff << "\n\n"
3319 << "Program Headers:\n";
3321 OS << " Type Offset VirtAddr PhysAddr "
3322 << " FileSiz MemSiz Flg Align\n";
3324 OS << " Type Offset VirtAddr PhysAddr FileSiz "
3325 << "MemSiz Flg Align\n";
3326 for (const auto &Phdr : unwrapOrError(Obj->program_headers())) {
3327 Type = getElfPtType(Header->e_machine, Phdr.p_type);
3328 Offset = to_string(format_hex(Phdr.p_offset, 8));
3329 VMA = to_string(format_hex(Phdr.p_vaddr, Width));
3330 LMA = to_string(format_hex(Phdr.p_paddr, Width));
3331 FileSz = to_string(format_hex(Phdr.p_filesz, SizeWidth));
3332 MemSz = to_string(format_hex(Phdr.p_memsz, SizeWidth));
3333 Flag = printPhdrFlags(Phdr.p_flags);
3334 Align = to_string(format_hex(Phdr.p_align, 1));
3335 Fields[0].Str = Type;
3336 Fields[1].Str = Offset;
3337 Fields[2].Str = VMA;
3338 Fields[3].Str = LMA;
3339 Fields[4].Str = FileSz;
3340 Fields[5].Str = MemSz;
3341 Fields[6].Str = Flag;
3342 Fields[7].Str = Align;
3343 for (auto Field : Fields)
3345 if (Phdr.p_type == ELF::PT_INTERP) {
3346 OS << "\n [Requesting program interpreter: ";
3347 OS << reinterpret_cast<const char *>(Obj->base()) + Phdr.p_offset << "]";
3351 OS << "\n Section to Segment mapping:\n Segment Sections...\n";
3353 for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
3354 std::string Sections;
3355 OS << format(" %2.2d ", Phnum++);
3356 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
3357 // Check if each section is in a segment and then print mapping.
3358 // readelf additionally makes sure it does not print zero sized sections
3359 // at end of segments and for PT_DYNAMIC both start and end of section
3360 // .tbss must only be shown in PT_TLS section.
3361 bool TbssInNonTLS = (Sec.sh_type == ELF::SHT_NOBITS) &&
3362 ((Sec.sh_flags & ELF::SHF_TLS) != 0) &&
3363 Phdr.p_type != ELF::PT_TLS;
3364 if (!TbssInNonTLS && checkTLSSections(Phdr, Sec) &&
3365 checkoffsets(Phdr, Sec) && checkVMA(Phdr, Sec) &&
3366 checkPTDynamic(Phdr, Sec) && (Sec.sh_type != ELF::SHT_NULL))
3367 Sections += unwrapOrError(Obj->getSectionName(&Sec)).str() + " ";
3369 OS << Sections << "\n";
3374 template <class ELFT>
3375 void GNUStyle<ELFT>::printDynamicRelocation(const ELFO *Obj, Elf_Rela R,
3377 SmallString<32> RelocName;
3378 StringRef SymbolName;
3379 unsigned Width = ELFT::Is64Bits ? 16 : 8;
3380 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
3381 // First two fields are bit width dependent. The rest of them are after are
3383 Field Fields[5] = {0, 10 + Bias, 19 + 2 * Bias, 42 + 2 * Bias, 53 + 2 * Bias};
3385 uint32_t SymIndex = R.getSymbol(Obj->isMips64EL());
3386 const Elf_Sym *Sym = this->dumper()->dynamic_symbols().begin() + SymIndex;
3387 Obj->getRelocationTypeName(R.getType(Obj->isMips64EL()), RelocName);
3389 unwrapOrError(Sym->getName(this->dumper()->getDynamicStringTable()));
3390 std::string Addend, Info, Offset, Value;
3391 Offset = to_string(format_hex_no_prefix(R.r_offset, Width));
3392 Info = to_string(format_hex_no_prefix(R.r_info, Width));
3393 Value = to_string(format_hex_no_prefix(Sym->getValue(), Width));
3394 int64_t RelAddend = R.r_addend;
3395 if (!SymbolName.empty() && IsRela) {
3402 if (SymbolName.empty() && Sym->getValue() == 0)
3406 Addend += to_string(format_hex_no_prefix(std::abs(RelAddend), 1));
3409 Fields[0].Str = Offset;
3410 Fields[1].Str = Info;
3411 Fields[2].Str = RelocName.c_str();
3412 Fields[3].Str = Value;
3413 Fields[4].Str = SymbolName;
3414 for (auto &Field : Fields)
3420 template <class ELFT>
3421 void GNUStyle<ELFT>::printDynamicRelocations(const ELFO *Obj) {
3422 const DynRegionInfo &DynRelRegion = this->dumper()->getDynRelRegion();
3423 const DynRegionInfo &DynRelaRegion = this->dumper()->getDynRelaRegion();
3424 const DynRegionInfo &DynRelrRegion = this->dumper()->getDynRelrRegion();
3425 const DynRegionInfo &DynPLTRelRegion = this->dumper()->getDynPLTRelRegion();
3426 if (DynRelaRegion.Size > 0) {
3427 OS << "\n'RELA' relocation section at offset "
3428 << format_hex(reinterpret_cast<const uint8_t *>(DynRelaRegion.Addr) -
3430 1) << " contains " << DynRelaRegion.Size << " bytes:\n";
3431 printRelocHeader(ELF::SHT_RELA);
3432 for (const Elf_Rela &Rela : this->dumper()->dyn_relas())
3433 printDynamicRelocation(Obj, Rela, true);
3435 if (DynRelRegion.Size > 0) {
3436 OS << "\n'REL' relocation section at offset "
3437 << format_hex(reinterpret_cast<const uint8_t *>(DynRelRegion.Addr) -
3439 1) << " contains " << DynRelRegion.Size << " bytes:\n";
3440 printRelocHeader(ELF::SHT_REL);
3441 for (const Elf_Rel &Rel : this->dumper()->dyn_rels()) {
3443 Rela.r_offset = Rel.r_offset;
3444 Rela.r_info = Rel.r_info;
3446 printDynamicRelocation(Obj, Rela, false);
3449 if (DynRelrRegion.Size > 0) {
3450 OS << "\n'RELR' relocation section at offset "
3451 << format_hex(reinterpret_cast<const uint8_t *>(DynRelrRegion.Addr) -
3453 1) << " contains " << DynRelrRegion.Size << " bytes:\n";
3454 printRelocHeader(ELF::SHT_REL);
3455 Elf_Relr_Range Relrs = this->dumper()->dyn_relrs();
3456 std::vector<Elf_Rela> RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
3457 for (const Elf_Rela &Rela : RelrRelas) {
3458 printDynamicRelocation(Obj, Rela, false);
3461 if (DynPLTRelRegion.Size) {
3462 OS << "\n'PLT' relocation section at offset "
3463 << format_hex(reinterpret_cast<const uint8_t *>(DynPLTRelRegion.Addr) -
3465 1) << " contains " << DynPLTRelRegion.Size << " bytes:\n";
3467 if (DynPLTRelRegion.EntSize == sizeof(Elf_Rela)) {
3468 printRelocHeader(ELF::SHT_RELA);
3469 for (const Elf_Rela &Rela : DynPLTRelRegion.getAsArrayRef<Elf_Rela>())
3470 printDynamicRelocation(Obj, Rela, true);
3472 printRelocHeader(ELF::SHT_REL);
3473 for (const Elf_Rel &Rel : DynPLTRelRegion.getAsArrayRef<Elf_Rel>()) {
3475 Rela.r_offset = Rel.r_offset;
3476 Rela.r_info = Rel.r_info;
3478 printDynamicRelocation(Obj, Rela, false);
3483 // Hash histogram shows statistics of how efficient the hash was for the
3484 // dynamic symbol table. The table shows number of hash buckets for different
3485 // lengths of chains as absolute number and percentage of the total buckets.
3486 // Additionally cumulative coverage of symbols for each set of buckets.
3487 template <class ELFT>
3488 void GNUStyle<ELFT>::printHashHistogram(const ELFFile<ELFT> *Obj) {
3490 const Elf_Hash *HashTable = this->dumper()->getHashTable();
3491 const Elf_GnuHash *GnuHashTable = this->dumper()->getGnuHashTable();
3493 // Print histogram for .hash section
3495 size_t NBucket = HashTable->nbucket;
3496 size_t NChain = HashTable->nchain;
3497 ArrayRef<Elf_Word> Buckets = HashTable->buckets();
3498 ArrayRef<Elf_Word> Chains = HashTable->chains();
3499 size_t TotalSyms = 0;
3500 // If hash table is correct, we have at least chains with 0 length
3501 size_t MaxChain = 1;
3502 size_t CumulativeNonZero = 0;
3504 if (NChain == 0 || NBucket == 0)
3507 std::vector<size_t> ChainLen(NBucket, 0);
3508 // Go over all buckets and and note chain lengths of each bucket (total
3509 // unique chain lengths).
3510 for (size_t B = 0; B < NBucket; B++) {
3511 for (size_t C = Buckets[B]; C > 0 && C < NChain; C = Chains[C])
3512 if (MaxChain <= ++ChainLen[B])
3514 TotalSyms += ChainLen[B];
3520 std::vector<size_t> Count(MaxChain, 0) ;
3521 // Count how long is the chain for each bucket
3522 for (size_t B = 0; B < NBucket; B++)
3523 ++Count[ChainLen[B]];
3524 // Print Number of buckets with each chain lengths and their cumulative
3525 // coverage of the symbols
3526 OS << "Histogram for bucket list length (total of " << NBucket
3528 << " Length Number % of total Coverage\n";
3529 for (size_t I = 0; I < MaxChain; I++) {
3530 CumulativeNonZero += Count[I] * I;
3531 OS << format("%7lu %-10lu (%5.1f%%) %5.1f%%\n", I, Count[I],
3532 (Count[I] * 100.0) / NBucket,
3533 (CumulativeNonZero * 100.0) / TotalSyms);
3537 // Print histogram for .gnu.hash section
3539 size_t NBucket = GnuHashTable->nbuckets;
3540 ArrayRef<Elf_Word> Buckets = GnuHashTable->buckets();
3541 unsigned NumSyms = this->dumper()->dynamic_symbols().size();
3544 ArrayRef<Elf_Word> Chains = GnuHashTable->values(NumSyms);
3545 size_t Symndx = GnuHashTable->symndx;
3546 size_t TotalSyms = 0;
3547 size_t MaxChain = 1;
3548 size_t CumulativeNonZero = 0;
3550 if (Chains.empty() || NBucket == 0)
3553 std::vector<size_t> ChainLen(NBucket, 0);
3555 for (size_t B = 0; B < NBucket; B++) {
3559 for (size_t C = Buckets[B] - Symndx;
3560 C < Chains.size() && (Chains[C] & 1) == 0; C++)
3561 if (MaxChain < ++Len)
3571 std::vector<size_t> Count(MaxChain, 0) ;
3572 for (size_t B = 0; B < NBucket; B++)
3573 ++Count[ChainLen[B]];
3574 // Print Number of buckets with each chain lengths and their cumulative
3575 // coverage of the symbols
3576 OS << "Histogram for `.gnu.hash' bucket list length (total of " << NBucket
3578 << " Length Number % of total Coverage\n";
3579 for (size_t I = 0; I <MaxChain; I++) {
3580 CumulativeNonZero += Count[I] * I;
3581 OS << format("%7lu %-10lu (%5.1f%%) %5.1f%%\n", I, Count[I],
3582 (Count[I] * 100.0) / NBucket,
3583 (CumulativeNonZero * 100.0) / TotalSyms);
3588 template <class ELFT>
3589 void GNUStyle<ELFT>::printCGProfile(const ELFFile<ELFT> *Obj) {
3590 OS << "GNUStyle::printCGProfile not implemented\n";
3593 template <class ELFT>
3594 void GNUStyle<ELFT>::printAddrsig(const ELFFile<ELFT> *Obj) {
3595 OS << "GNUStyle::printAddrsig not implemented\n";
3598 static std::string getGNUNoteTypeName(const uint32_t NT) {
3599 static const struct {
3603 {ELF::NT_GNU_ABI_TAG, "NT_GNU_ABI_TAG (ABI version tag)"},
3604 {ELF::NT_GNU_HWCAP, "NT_GNU_HWCAP (DSO-supplied software HWCAP info)"},
3605 {ELF::NT_GNU_BUILD_ID, "NT_GNU_BUILD_ID (unique build ID bitstring)"},
3606 {ELF::NT_GNU_GOLD_VERSION, "NT_GNU_GOLD_VERSION (gold version)"},
3607 {ELF::NT_GNU_PROPERTY_TYPE_0, "NT_GNU_PROPERTY_TYPE_0 (property note)"},
3610 for (const auto &Note : Notes)
3612 return std::string(Note.Name);
3615 raw_string_ostream OS(string);
3616 OS << format("Unknown note type (0x%08x)", NT);
3620 static std::string getFreeBSDNoteTypeName(const uint32_t NT) {
3621 static const struct {
3625 {ELF::NT_FREEBSD_THRMISC, "NT_THRMISC (thrmisc structure)"},
3626 {ELF::NT_FREEBSD_PROCSTAT_PROC, "NT_PROCSTAT_PROC (proc data)"},
3627 {ELF::NT_FREEBSD_PROCSTAT_FILES, "NT_PROCSTAT_FILES (files data)"},
3628 {ELF::NT_FREEBSD_PROCSTAT_VMMAP, "NT_PROCSTAT_VMMAP (vmmap data)"},
3629 {ELF::NT_FREEBSD_PROCSTAT_GROUPS, "NT_PROCSTAT_GROUPS (groups data)"},
3630 {ELF::NT_FREEBSD_PROCSTAT_UMASK, "NT_PROCSTAT_UMASK (umask data)"},
3631 {ELF::NT_FREEBSD_PROCSTAT_RLIMIT, "NT_PROCSTAT_RLIMIT (rlimit data)"},
3632 {ELF::NT_FREEBSD_PROCSTAT_OSREL, "NT_PROCSTAT_OSREL (osreldate data)"},
3633 {ELF::NT_FREEBSD_PROCSTAT_PSSTRINGS,
3634 "NT_PROCSTAT_PSSTRINGS (ps_strings data)"},
3635 {ELF::NT_FREEBSD_PROCSTAT_AUXV, "NT_PROCSTAT_AUXV (auxv data)"},
3638 for (const auto &Note : Notes)
3640 return std::string(Note.Name);
3643 raw_string_ostream OS(string);
3644 OS << format("Unknown note type (0x%08x)", NT);
3648 static std::string getAMDNoteTypeName(const uint32_t NT) {
3649 static const struct {
3653 {ELF::NT_AMD_AMDGPU_HSA_METADATA,
3654 "NT_AMD_AMDGPU_HSA_METADATA (HSA Metadata)"},
3655 {ELF::NT_AMD_AMDGPU_ISA,
3656 "NT_AMD_AMDGPU_ISA (ISA Version)"},
3657 {ELF::NT_AMD_AMDGPU_PAL_METADATA,
3658 "NT_AMD_AMDGPU_PAL_METADATA (PAL Metadata)"}
3661 for (const auto &Note : Notes)
3663 return std::string(Note.Name);
3666 raw_string_ostream OS(string);
3667 OS << format("Unknown note type (0x%08x)", NT);
3671 static std::string getAMDGPUNoteTypeName(const uint32_t NT) {
3672 if (NT == ELF::NT_AMDGPU_METADATA)
3673 return std::string("NT_AMDGPU_METADATA (AMDGPU Metadata)");
3676 raw_string_ostream OS(string);
3677 OS << format("Unknown note type (0x%08x)", NT);
3681 template <typename ELFT>
3682 static std::string getGNUProperty(uint32_t Type, uint32_t DataSize,
3683 ArrayRef<uint8_t> Data) {
3685 raw_string_ostream OS(str);
3688 OS << format("<application-specific type 0x%x>", Type);
3690 case GNU_PROPERTY_STACK_SIZE: {
3691 OS << "stack size: ";
3692 if (DataSize == sizeof(typename ELFT::uint))
3693 OS << formatv("{0:x}",
3694 (uint64_t)(*(const typename ELFT::Addr *)Data.data()));
3696 OS << format("<corrupt length: 0x%x>", DataSize);
3699 case GNU_PROPERTY_NO_COPY_ON_PROTECTED:
3700 OS << "no copy on protected";
3702 OS << format(" <corrupt length: 0x%x>", DataSize);
3704 case GNU_PROPERTY_X86_FEATURE_1_AND:
3705 OS << "X86 features: ";
3706 if (DataSize != 4 && DataSize != 8) {
3707 OS << format("<corrupt length: 0x%x>", DataSize);
3710 uint64_t CFProtection =
3712 ? support::endian::read32<ELFT::TargetEndianness>(Data.data())
3713 : support::endian::read64<ELFT::TargetEndianness>(Data.data());
3714 if (CFProtection == 0) {
3718 if (CFProtection & GNU_PROPERTY_X86_FEATURE_1_IBT) {
3720 CFProtection &= ~GNU_PROPERTY_X86_FEATURE_1_IBT;
3724 if (CFProtection & GNU_PROPERTY_X86_FEATURE_1_SHSTK) {
3726 CFProtection &= ~GNU_PROPERTY_X86_FEATURE_1_SHSTK;
3731 OS << format("<unknown flags: 0x%llx>", CFProtection);
3736 template <typename ELFT>
3737 static SmallVector<std::string, 4>
3738 getGNUPropertyList(ArrayRef<uint8_t> Arr) {
3739 using Elf_Word = typename ELFT::Word;
3741 SmallVector<std::string, 4> Properties;
3742 while (Arr.size() >= 8) {
3743 uint32_t Type = *reinterpret_cast<const Elf_Word *>(Arr.data());
3744 uint32_t DataSize = *reinterpret_cast<const Elf_Word *>(Arr.data() + 4);
3745 Arr = Arr.drop_front(8);
3747 // Take padding size into account if present.
3748 uint64_t PaddedSize = alignTo(DataSize, sizeof(typename ELFT::uint));
3750 raw_string_ostream OS(str);
3751 if (Arr.size() < PaddedSize) {
3752 OS << format("<corrupt type (0x%x) datasz: 0x%x>", Type, DataSize);
3753 Properties.push_back(OS.str());
3756 Properties.push_back(
3757 getGNUProperty<ELFT>(Type, DataSize, Arr.take_front(PaddedSize)));
3758 Arr = Arr.drop_front(PaddedSize);
3762 Properties.push_back("<corrupted GNU_PROPERTY_TYPE_0>");
3773 template <typename ELFT>
3774 static GNUAbiTag getGNUAbiTag(ArrayRef<uint8_t> Desc) {
3775 typedef typename ELFT::Word Elf_Word;
3777 ArrayRef<Elf_Word> Words(reinterpret_cast<const Elf_Word*>(Desc.begin()),
3778 reinterpret_cast<const Elf_Word*>(Desc.end()));
3780 if (Words.size() < 4)
3781 return {"", "", /*IsValid=*/false};
3783 static const char *OSNames[] = {
3784 "Linux", "Hurd", "Solaris", "FreeBSD", "NetBSD", "Syllable", "NaCl",
3786 StringRef OSName = "Unknown";
3787 if (Words[0] < array_lengthof(OSNames))
3788 OSName = OSNames[Words[0]];
3789 uint32_t Major = Words[1], Minor = Words[2], Patch = Words[3];
3791 raw_string_ostream ABI(str);
3792 ABI << Major << "." << Minor << "." << Patch;
3793 return {OSName, ABI.str(), /*IsValid=*/true};
3796 static std::string getGNUBuildId(ArrayRef<uint8_t> Desc) {
3798 raw_string_ostream OS(str);
3799 for (const auto &B : Desc)
3800 OS << format_hex_no_prefix(B, 2);
3804 static StringRef getGNUGoldVersion(ArrayRef<uint8_t> Desc) {
3805 return StringRef(reinterpret_cast<const char *>(Desc.data()), Desc.size());
3808 template <typename ELFT>
3809 static void printGNUNote(raw_ostream &OS, uint32_t NoteType,
3810 ArrayRef<uint8_t> Desc) {
3814 case ELF::NT_GNU_ABI_TAG: {
3815 const GNUAbiTag &AbiTag = getGNUAbiTag<ELFT>(Desc);
3816 if (!AbiTag.IsValid)
3817 OS << " <corrupt GNU_ABI_TAG>";
3819 OS << " OS: " << AbiTag.OSName << ", ABI: " << AbiTag.ABI;
3822 case ELF::NT_GNU_BUILD_ID: {
3823 OS << " Build ID: " << getGNUBuildId(Desc);
3826 case ELF::NT_GNU_GOLD_VERSION:
3827 OS << " Version: " << getGNUGoldVersion(Desc);
3829 case ELF::NT_GNU_PROPERTY_TYPE_0:
3830 OS << " Properties:";
3831 for (const auto &Property : getGNUPropertyList<ELFT>(Desc))
3832 OS << " " << Property << "\n";
3843 template <typename ELFT>
3844 static AMDNote getAMDNote(uint32_t NoteType, ArrayRef<uint8_t> Desc) {
3848 case ELF::NT_AMD_AMDGPU_HSA_METADATA:
3849 return {"HSA Metadata",
3850 std::string(reinterpret_cast<const char *>(Desc.data()),
3852 case ELF::NT_AMD_AMDGPU_ISA:
3853 return {"ISA Version",
3854 std::string(reinterpret_cast<const char *>(Desc.data()),
3856 case ELF::NT_AMD_AMDGPU_PAL_METADATA:
3857 const uint32_t *PALMetadataBegin =
3858 reinterpret_cast<const uint32_t *>(Desc.data());
3859 const uint32_t *PALMetadataEnd = PALMetadataBegin + Desc.size();
3860 std::vector<uint32_t> PALMetadata(PALMetadataBegin, PALMetadataEnd);
3861 std::string PALMetadataString;
3862 auto Error = AMDGPU::PALMD::toString(PALMetadata, PALMetadataString);
3864 return {"PAL Metadata", "Invalid"};
3866 return {"PAL Metadata", PALMetadataString};
3875 template <typename ELFT>
3876 static AMDGPUNote getAMDGPUNote(uint32_t NoteType, ArrayRef<uint8_t> Desc) {
3880 case ELF::NT_AMDGPU_METADATA:
3881 auto MsgPackString =
3882 StringRef(reinterpret_cast<const char *>(Desc.data()), Desc.size());
3883 msgpack::Reader MsgPackReader(MsgPackString);
3884 auto OptMsgPackNodeOrErr = msgpack::Node::read(MsgPackReader);
3885 if (errorToBool(OptMsgPackNodeOrErr.takeError()))
3886 return {"AMDGPU Metadata", "Invalid AMDGPU Metadata"};
3887 auto &OptMsgPackNode = *OptMsgPackNodeOrErr;
3888 if (!OptMsgPackNode)
3889 return {"AMDGPU Metadata", "Invalid AMDGPU Metadata"};
3890 auto &MsgPackNode = *OptMsgPackNode;
3892 AMDGPU::HSAMD::V3::MetadataVerifier Verifier(true);
3893 if (!Verifier.verify(*MsgPackNode))
3894 return {"AMDGPU Metadata", "Invalid AMDGPU Metadata"};
3896 std::string HSAMetadataString;
3897 raw_string_ostream StrOS(HSAMetadataString);
3898 yaml::Output YOut(StrOS);
3899 YOut << MsgPackNode;
3901 return {"AMDGPU Metadata", StrOS.str()};
3905 template <class ELFT>
3906 void GNUStyle<ELFT>::printNotes(const ELFFile<ELFT> *Obj) {
3907 const Elf_Ehdr *e = Obj->getHeader();
3908 bool IsCore = e->e_type == ELF::ET_CORE;
3910 auto PrintHeader = [&](const typename ELFT::Off Offset,
3911 const typename ELFT::Addr Size) {
3912 OS << "Displaying notes found at file offset " << format_hex(Offset, 10)
3913 << " with length " << format_hex(Size, 10) << ":\n"
3914 << " Owner Data size\tDescription\n";
3917 auto ProcessNote = [&](const Elf_Note &Note) {
3918 StringRef Name = Note.getName();
3919 ArrayRef<uint8_t> Descriptor = Note.getDesc();
3920 Elf_Word Type = Note.getType();
3922 OS << " " << Name << std::string(22 - Name.size(), ' ')
3923 << format_hex(Descriptor.size(), 10) << '\t';
3925 if (Name == "GNU") {
3926 OS << getGNUNoteTypeName(Type) << '\n';
3927 printGNUNote<ELFT>(OS, Type, Descriptor);
3928 } else if (Name == "FreeBSD") {
3929 OS << getFreeBSDNoteTypeName(Type) << '\n';
3930 } else if (Name == "AMD") {
3931 OS << getAMDNoteTypeName(Type) << '\n';
3932 const AMDNote N = getAMDNote<ELFT>(Type, Descriptor);
3933 if (!N.Type.empty())
3934 OS << " " << N.Type << ":\n " << N.Value << '\n';
3935 } else if (Name == "AMDGPU") {
3936 OS << getAMDGPUNoteTypeName(Type) << '\n';
3937 const AMDGPUNote N = getAMDGPUNote<ELFT>(Type, Descriptor);
3938 if (!N.Type.empty())
3939 OS << " " << N.Type << ":\n " << N.Value << '\n';
3941 OS << "Unknown note type: (" << format_hex(Type, 10) << ')';
3947 for (const auto &P : unwrapOrError(Obj->program_headers())) {
3948 if (P.p_type != PT_NOTE)
3950 PrintHeader(P.p_offset, P.p_filesz);
3951 Error Err = Error::success();
3952 for (const auto &Note : Obj->notes(P, Err))
3955 error(std::move(Err));
3958 for (const auto &S : unwrapOrError(Obj->sections())) {
3959 if (S.sh_type != SHT_NOTE)
3961 PrintHeader(S.sh_offset, S.sh_size);
3962 Error Err = Error::success();
3963 for (const auto &Note : Obj->notes(S, Err))
3966 error(std::move(Err));
3971 template <class ELFT>
3972 void GNUStyle<ELFT>::printELFLinkerOptions(const ELFFile<ELFT> *Obj) {
3973 OS << "printELFLinkerOptions not implemented!\n";
3976 template <class ELFT>
3977 void GNUStyle<ELFT>::printMipsGOT(const MipsGOTParser<ELFT> &Parser) {
3978 size_t Bias = ELFT::Is64Bits ? 8 : 0;
3979 auto PrintEntry = [&](const Elf_Addr *E, StringRef Purpose) {
3981 OS << format_hex_no_prefix(Parser.getGotAddress(E), 8 + Bias);
3982 OS.PadToColumn(11 + Bias);
3983 OS << format_decimal(Parser.getGotOffset(E), 6) << "(gp)";
3984 OS.PadToColumn(22 + Bias);
3985 OS << format_hex_no_prefix(*E, 8 + Bias);
3986 OS.PadToColumn(31 + 2 * Bias);
3987 OS << Purpose << "\n";
3990 OS << (Parser.IsStatic ? "Static GOT:\n" : "Primary GOT:\n");
3991 OS << " Canonical gp value: "
3992 << format_hex_no_prefix(Parser.getGp(), 8 + Bias) << "\n\n";
3994 OS << " Reserved entries:\n";
3995 OS << " Address Access Initial Purpose\n";
3996 PrintEntry(Parser.getGotLazyResolver(), "Lazy resolver");
3997 if (Parser.getGotModulePointer())
3998 PrintEntry(Parser.getGotModulePointer(), "Module pointer (GNU extension)");
4000 if (!Parser.getLocalEntries().empty()) {
4002 OS << " Local entries:\n";
4003 OS << " Address Access Initial\n";
4004 for (auto &E : Parser.getLocalEntries())
4008 if (Parser.IsStatic)
4011 if (!Parser.getGlobalEntries().empty()) {
4013 OS << " Global entries:\n";
4014 OS << " Address Access Initial Sym.Val. Type Ndx Name\n";
4015 for (auto &E : Parser.getGlobalEntries()) {
4016 const Elf_Sym *Sym = Parser.getGotSym(&E);
4017 std::string SymName = this->dumper()->getFullSymbolName(
4018 Sym, this->dumper()->getDynamicStringTable(), false);
4021 OS << to_string(format_hex_no_prefix(Parser.getGotAddress(&E), 8 + Bias));
4022 OS.PadToColumn(11 + Bias);
4023 OS << to_string(format_decimal(Parser.getGotOffset(&E), 6)) + "(gp)";
4024 OS.PadToColumn(22 + Bias);
4025 OS << to_string(format_hex_no_prefix(E, 8 + Bias));
4026 OS.PadToColumn(31 + 2 * Bias);
4027 OS << to_string(format_hex_no_prefix(Sym->st_value, 8 + Bias));
4028 OS.PadToColumn(40 + 3 * Bias);
4029 OS << printEnum(Sym->getType(), makeArrayRef(ElfSymbolTypes));
4030 OS.PadToColumn(48 + 3 * Bias);
4031 OS << getSymbolSectionNdx(Parser.Obj, Sym,
4032 this->dumper()->dynamic_symbols().begin());
4033 OS.PadToColumn(52 + 3 * Bias);
4034 OS << SymName << "\n";
4038 if (!Parser.getOtherEntries().empty())
4039 OS << "\n Number of TLS and multi-GOT entries "
4040 << Parser.getOtherEntries().size() << "\n";
4043 template <class ELFT>
4044 void GNUStyle<ELFT>::printMipsPLT(const MipsGOTParser<ELFT> &Parser) {
4045 size_t Bias = ELFT::Is64Bits ? 8 : 0;
4046 auto PrintEntry = [&](const Elf_Addr *E, StringRef Purpose) {
4048 OS << format_hex_no_prefix(Parser.getGotAddress(E), 8 + Bias);
4049 OS.PadToColumn(11 + Bias);
4050 OS << format_hex_no_prefix(*E, 8 + Bias);
4051 OS.PadToColumn(20 + 2 * Bias);
4052 OS << Purpose << "\n";
4055 OS << "PLT GOT:\n\n";
4057 OS << " Reserved entries:\n";
4058 OS << " Address Initial Purpose\n";
4059 PrintEntry(Parser.getPltLazyResolver(), "PLT lazy resolver");
4060 if (Parser.getPltModulePointer())
4061 PrintEntry(Parser.getGotModulePointer(), "Module pointer");
4063 if (!Parser.getPltEntries().empty()) {
4065 OS << " Entries:\n";
4066 OS << " Address Initial Sym.Val. Type Ndx Name\n";
4067 for (auto &E : Parser.getPltEntries()) {
4068 const Elf_Sym *Sym = Parser.getPltSym(&E);
4069 std::string SymName = this->dumper()->getFullSymbolName(
4070 Sym, this->dumper()->getDynamicStringTable(), false);
4073 OS << to_string(format_hex_no_prefix(Parser.getGotAddress(&E), 8 + Bias));
4074 OS.PadToColumn(11 + Bias);
4075 OS << to_string(format_hex_no_prefix(E, 8 + Bias));
4076 OS.PadToColumn(20 + 2 * Bias);
4077 OS << to_string(format_hex_no_prefix(Sym->st_value, 8 + Bias));
4078 OS.PadToColumn(29 + 3 * Bias);
4079 OS << printEnum(Sym->getType(), makeArrayRef(ElfSymbolTypes));
4080 OS.PadToColumn(37 + 3 * Bias);
4081 OS << getSymbolSectionNdx(Parser.Obj, Sym,
4082 this->dumper()->dynamic_symbols().begin());
4083 OS.PadToColumn(41 + 3 * Bias);
4084 OS << SymName << "\n";
4089 template <class ELFT> void LLVMStyle<ELFT>::printFileHeaders(const ELFO *Obj) {
4090 const Elf_Ehdr *e = Obj->getHeader();
4092 DictScope D(W, "ElfHeader");
4094 DictScope D(W, "Ident");
4095 W.printBinary("Magic", makeArrayRef(e->e_ident).slice(ELF::EI_MAG0, 4));
4096 W.printEnum("Class", e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
4097 W.printEnum("DataEncoding", e->e_ident[ELF::EI_DATA],
4098 makeArrayRef(ElfDataEncoding));
4099 W.printNumber("FileVersion", e->e_ident[ELF::EI_VERSION]);
4101 auto OSABI = makeArrayRef(ElfOSABI);
4102 if (e->e_ident[ELF::EI_OSABI] >= ELF::ELFOSABI_FIRST_ARCH &&
4103 e->e_ident[ELF::EI_OSABI] <= ELF::ELFOSABI_LAST_ARCH) {
4104 switch (e->e_machine) {
4105 case ELF::EM_AMDGPU:
4106 OSABI = makeArrayRef(AMDGPUElfOSABI);
4109 OSABI = makeArrayRef(ARMElfOSABI);
4111 case ELF::EM_TI_C6000:
4112 OSABI = makeArrayRef(C6000ElfOSABI);
4116 W.printEnum("OS/ABI", e->e_ident[ELF::EI_OSABI], OSABI);
4117 W.printNumber("ABIVersion", e->e_ident[ELF::EI_ABIVERSION]);
4118 W.printBinary("Unused", makeArrayRef(e->e_ident).slice(ELF::EI_PAD));
4121 W.printEnum("Type", e->e_type, makeArrayRef(ElfObjectFileType));
4122 W.printEnum("Machine", e->e_machine, makeArrayRef(ElfMachineType));
4123 W.printNumber("Version", e->e_version);
4124 W.printHex("Entry", e->e_entry);
4125 W.printHex("ProgramHeaderOffset", e->e_phoff);
4126 W.printHex("SectionHeaderOffset", e->e_shoff);
4127 if (e->e_machine == EM_MIPS)
4128 W.printFlags("Flags", e->e_flags, makeArrayRef(ElfHeaderMipsFlags),
4129 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
4130 unsigned(ELF::EF_MIPS_MACH));
4131 else if (e->e_machine == EM_AMDGPU)
4132 W.printFlags("Flags", e->e_flags, makeArrayRef(ElfHeaderAMDGPUFlags),
4133 unsigned(ELF::EF_AMDGPU_MACH));
4134 else if (e->e_machine == EM_RISCV)
4135 W.printFlags("Flags", e->e_flags, makeArrayRef(ElfHeaderRISCVFlags));
4137 W.printFlags("Flags", e->e_flags);
4138 W.printNumber("HeaderSize", e->e_ehsize);
4139 W.printNumber("ProgramHeaderEntrySize", e->e_phentsize);
4140 W.printNumber("ProgramHeaderCount", e->e_phnum);
4141 W.printNumber("SectionHeaderEntrySize", e->e_shentsize);
4142 W.printString("SectionHeaderCount", getSectionHeadersNumString(Obj));
4143 W.printString("StringTableSectionIndex", getSectionHeaderTableIndexString(Obj));
4147 template <class ELFT>
4148 void LLVMStyle<ELFT>::printGroupSections(const ELFO *Obj) {
4149 DictScope Lists(W, "Groups");
4150 std::vector<GroupSection> V = getGroups<ELFT>(Obj);
4151 DenseMap<uint64_t, const GroupSection *> Map = mapSectionsToGroups(V);
4152 for (const GroupSection &G : V) {
4153 DictScope D(W, "Group");
4154 W.printNumber("Name", G.Name, G.ShName);
4155 W.printNumber("Index", G.Index);
4156 W.printNumber("Link", G.Link);
4157 W.printNumber("Info", G.Info);
4158 W.printHex("Type", getGroupType(G.Type), G.Type);
4159 W.startLine() << "Signature: " << G.Signature << "\n";
4161 ListScope L(W, "Section(s) in group");
4162 for (const GroupMember &GM : G.Members) {
4163 const GroupSection *MainGroup = Map[GM.Index];
4164 if (MainGroup != &G) {
4166 errs() << "Error: " << GM.Name << " (" << GM.Index
4167 << ") in a group " + G.Name + " (" << G.Index
4168 << ") is already in a group " + MainGroup->Name + " ("
4169 << MainGroup->Index << ")\n";
4173 W.startLine() << GM.Name << " (" << GM.Index << ")\n";
4178 W.startLine() << "There are no group sections in the file.\n";
4181 template <class ELFT> void LLVMStyle<ELFT>::printRelocations(const ELFO *Obj) {
4182 ListScope D(W, "Relocations");
4184 int SectionNumber = -1;
4185 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
4188 if (Sec.sh_type != ELF::SHT_REL &&
4189 Sec.sh_type != ELF::SHT_RELA &&
4190 Sec.sh_type != ELF::SHT_RELR &&
4191 Sec.sh_type != ELF::SHT_ANDROID_REL &&
4192 Sec.sh_type != ELF::SHT_ANDROID_RELA &&
4193 Sec.sh_type != ELF::SHT_ANDROID_RELR)
4196 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
4198 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
4201 printRelocations(&Sec, Obj);
4204 W.startLine() << "}\n";
4208 template <class ELFT>
4209 void LLVMStyle<ELFT>::printRelocations(const Elf_Shdr *Sec, const ELFO *Obj) {
4210 const Elf_Shdr *SymTab = unwrapOrError(Obj->getSection(Sec->sh_link));
4212 switch (Sec->sh_type) {
4214 for (const Elf_Rel &R : unwrapOrError(Obj->rels(Sec))) {
4216 Rela.r_offset = R.r_offset;
4217 Rela.r_info = R.r_info;
4219 printRelocation(Obj, Rela, SymTab);
4223 for (const Elf_Rela &R : unwrapOrError(Obj->relas(Sec)))
4224 printRelocation(Obj, R, SymTab);
4227 case ELF::SHT_ANDROID_RELR: {
4228 Elf_Relr_Range Relrs = unwrapOrError(Obj->relrs(Sec));
4229 if (opts::RawRelr) {
4230 for (const Elf_Relr &R : Relrs)
4231 W.startLine() << W.hex(R) << "\n";
4233 std::vector<Elf_Rela> RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
4234 for (const Elf_Rela &R : RelrRelas)
4235 printRelocation(Obj, R, SymTab);
4239 case ELF::SHT_ANDROID_REL:
4240 case ELF::SHT_ANDROID_RELA:
4241 for (const Elf_Rela &R : unwrapOrError(Obj->android_relas(Sec)))
4242 printRelocation(Obj, R, SymTab);
4247 template <class ELFT>
4248 void LLVMStyle<ELFT>::printRelocation(const ELFO *Obj, Elf_Rela Rel,
4249 const Elf_Shdr *SymTab) {
4250 SmallString<32> RelocName;
4251 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
4252 StringRef TargetName;
4253 const Elf_Sym *Sym = unwrapOrError(Obj->getRelocationSymbol(&Rel, SymTab));
4254 if (Sym && Sym->getType() == ELF::STT_SECTION) {
4255 const Elf_Shdr *Sec = unwrapOrError(
4256 Obj->getSection(Sym, SymTab, this->dumper()->getShndxTable()));
4257 TargetName = unwrapOrError(Obj->getSectionName(Sec));
4259 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
4260 TargetName = unwrapOrError(Sym->getName(StrTable));
4263 if (opts::ExpandRelocs) {
4264 DictScope Group(W, "Relocation");
4265 W.printHex("Offset", Rel.r_offset);
4266 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
4267 W.printNumber("Symbol", !TargetName.empty() ? TargetName : "-",
4268 Rel.getSymbol(Obj->isMips64EL()));
4269 W.printHex("Addend", Rel.r_addend);
4271 raw_ostream &OS = W.startLine();
4272 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
4273 << (!TargetName.empty() ? TargetName : "-") << " "
4274 << W.hex(Rel.r_addend) << "\n";
4278 template <class ELFT>
4279 void LLVMStyle<ELFT>::printSectionHeaders(const ELFO *Obj) {
4280 ListScope SectionsD(W, "Sections");
4282 int SectionIndex = -1;
4283 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
4286 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
4288 DictScope SectionD(W, "Section");
4289 W.printNumber("Index", SectionIndex);
4290 W.printNumber("Name", Name, Sec.sh_name);
4293 object::getELFSectionTypeName(Obj->getHeader()->e_machine, Sec.sh_type),
4295 std::vector<EnumEntry<unsigned>> SectionFlags(std::begin(ElfSectionFlags),
4296 std::end(ElfSectionFlags));
4297 switch (Obj->getHeader()->e_machine) {
4299 SectionFlags.insert(SectionFlags.end(), std::begin(ElfARMSectionFlags),
4300 std::end(ElfARMSectionFlags));
4303 SectionFlags.insert(SectionFlags.end(),
4304 std::begin(ElfHexagonSectionFlags),
4305 std::end(ElfHexagonSectionFlags));
4308 SectionFlags.insert(SectionFlags.end(), std::begin(ElfMipsSectionFlags),
4309 std::end(ElfMipsSectionFlags));
4312 SectionFlags.insert(SectionFlags.end(), std::begin(ElfX86_64SectionFlags),
4313 std::end(ElfX86_64SectionFlags));
4316 SectionFlags.insert(SectionFlags.end(), std::begin(ElfXCoreSectionFlags),
4317 std::end(ElfXCoreSectionFlags));
4323 W.printFlags("Flags", Sec.sh_flags, makeArrayRef(SectionFlags));
4324 W.printHex("Address", Sec.sh_addr);
4325 W.printHex("Offset", Sec.sh_offset);
4326 W.printNumber("Size", Sec.sh_size);
4327 W.printNumber("Link", Sec.sh_link);
4328 W.printNumber("Info", Sec.sh_info);
4329 W.printNumber("AddressAlignment", Sec.sh_addralign);
4330 W.printNumber("EntrySize", Sec.sh_entsize);
4332 if (opts::SectionRelocations) {
4333 ListScope D(W, "Relocations");
4334 printRelocations(&Sec, Obj);
4337 if (opts::SectionSymbols) {
4338 ListScope D(W, "Symbols");
4339 const Elf_Shdr *Symtab = this->dumper()->getDotSymtabSec();
4340 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
4342 for (const Elf_Sym &Sym : unwrapOrError(Obj->symbols(Symtab))) {
4343 const Elf_Shdr *SymSec = unwrapOrError(
4344 Obj->getSection(&Sym, Symtab, this->dumper()->getShndxTable()));
4346 printSymbol(Obj, &Sym, unwrapOrError(Obj->symbols(Symtab)).begin(),
4351 if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
4352 ArrayRef<uint8_t> Data = unwrapOrError(Obj->getSectionContents(&Sec));
4353 W.printBinaryBlock("SectionData",
4354 StringRef((const char *)Data.data(), Data.size()));
4359 template <class ELFT>
4360 void LLVMStyle<ELFT>::printSymbol(const ELFO *Obj, const Elf_Sym *Symbol,
4361 const Elf_Sym *First, StringRef StrTable,
4363 unsigned SectionIndex = 0;
4364 StringRef SectionName;
4365 this->dumper()->getSectionNameIndex(Symbol, First, SectionName, SectionIndex);
4366 std::string FullSymbolName =
4367 this->dumper()->getFullSymbolName(Symbol, StrTable, IsDynamic);
4368 unsigned char SymbolType = Symbol->getType();
4370 DictScope D(W, "Symbol");
4371 W.printNumber("Name", FullSymbolName, Symbol->st_name);
4372 W.printHex("Value", Symbol->st_value);
4373 W.printNumber("Size", Symbol->st_size);
4374 W.printEnum("Binding", Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
4375 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
4376 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
4377 W.printEnum("Type", SymbolType, makeArrayRef(AMDGPUSymbolTypes));
4379 W.printEnum("Type", SymbolType, makeArrayRef(ElfSymbolTypes));
4380 if (Symbol->st_other == 0)
4381 // Usually st_other flag is zero. Do not pollute the output
4382 // by flags enumeration in that case.
4383 W.printNumber("Other", 0);
4385 std::vector<EnumEntry<unsigned>> SymOtherFlags(std::begin(ElfSymOtherFlags),
4386 std::end(ElfSymOtherFlags));
4387 if (Obj->getHeader()->e_machine == EM_MIPS) {
4388 // Someones in their infinite wisdom decided to make STO_MIPS_MIPS16
4389 // flag overlapped with other ST_MIPS_xxx flags. So consider both
4390 // cases separately.
4391 if ((Symbol->st_other & STO_MIPS_MIPS16) == STO_MIPS_MIPS16)
4392 SymOtherFlags.insert(SymOtherFlags.end(),
4393 std::begin(ElfMips16SymOtherFlags),
4394 std::end(ElfMips16SymOtherFlags));
4396 SymOtherFlags.insert(SymOtherFlags.end(),
4397 std::begin(ElfMipsSymOtherFlags),
4398 std::end(ElfMipsSymOtherFlags));
4400 W.printFlags("Other", Symbol->st_other, makeArrayRef(SymOtherFlags), 0x3u);
4402 W.printHex("Section", SectionName, SectionIndex);
4405 template <class ELFT> void LLVMStyle<ELFT>::printSymbols(const ELFO *Obj) {
4406 ListScope Group(W, "Symbols");
4407 this->dumper()->printSymbolsHelper(false);
4410 template <class ELFT>
4411 void LLVMStyle<ELFT>::printDynamicSymbols(const ELFO *Obj) {
4412 ListScope Group(W, "DynamicSymbols");
4413 this->dumper()->printSymbolsHelper(true);
4416 template <class ELFT>
4417 void LLVMStyle<ELFT>::printDynamicRelocations(const ELFO *Obj) {
4418 const DynRegionInfo &DynRelRegion = this->dumper()->getDynRelRegion();
4419 const DynRegionInfo &DynRelaRegion = this->dumper()->getDynRelaRegion();
4420 const DynRegionInfo &DynRelrRegion = this->dumper()->getDynRelrRegion();
4421 const DynRegionInfo &DynPLTRelRegion = this->dumper()->getDynPLTRelRegion();
4422 if (DynRelRegion.Size && DynRelaRegion.Size)
4423 report_fatal_error("There are both REL and RELA dynamic relocations");
4424 W.startLine() << "Dynamic Relocations {\n";
4426 if (DynRelaRegion.Size > 0)
4427 for (const Elf_Rela &Rela : this->dumper()->dyn_relas())
4428 printDynamicRelocation(Obj, Rela);
4430 for (const Elf_Rel &Rel : this->dumper()->dyn_rels()) {
4432 Rela.r_offset = Rel.r_offset;
4433 Rela.r_info = Rel.r_info;
4435 printDynamicRelocation(Obj, Rela);
4437 if (DynRelrRegion.Size > 0) {
4438 Elf_Relr_Range Relrs = this->dumper()->dyn_relrs();
4439 std::vector<Elf_Rela> RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
4440 for (const Elf_Rela &Rela : RelrRelas)
4441 printDynamicRelocation(Obj, Rela);
4443 if (DynPLTRelRegion.EntSize == sizeof(Elf_Rela))
4444 for (const Elf_Rela &Rela : DynPLTRelRegion.getAsArrayRef<Elf_Rela>())
4445 printDynamicRelocation(Obj, Rela);
4447 for (const Elf_Rel &Rel : DynPLTRelRegion.getAsArrayRef<Elf_Rel>()) {
4449 Rela.r_offset = Rel.r_offset;
4450 Rela.r_info = Rel.r_info;
4452 printDynamicRelocation(Obj, Rela);
4455 W.startLine() << "}\n";
4458 template <class ELFT>
4459 void LLVMStyle<ELFT>::printDynamicRelocation(const ELFO *Obj, Elf_Rela Rel) {
4460 SmallString<32> RelocName;
4461 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
4462 StringRef SymbolName;
4463 uint32_t SymIndex = Rel.getSymbol(Obj->isMips64EL());
4464 const Elf_Sym *Sym = this->dumper()->dynamic_symbols().begin() + SymIndex;
4466 unwrapOrError(Sym->getName(this->dumper()->getDynamicStringTable()));
4467 if (opts::ExpandRelocs) {
4468 DictScope Group(W, "Relocation");
4469 W.printHex("Offset", Rel.r_offset);
4470 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
4471 W.printString("Symbol", !SymbolName.empty() ? SymbolName : "-");
4472 W.printHex("Addend", Rel.r_addend);
4474 raw_ostream &OS = W.startLine();
4475 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
4476 << (!SymbolName.empty() ? SymbolName : "-") << " "
4477 << W.hex(Rel.r_addend) << "\n";
4481 template <class ELFT>
4482 void LLVMStyle<ELFT>::printProgramHeaders(const ELFO *Obj) {
4483 ListScope L(W, "ProgramHeaders");
4485 for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
4486 DictScope P(W, "ProgramHeader");
4488 getElfSegmentType(Obj->getHeader()->e_machine, Phdr.p_type),
4490 W.printHex("Offset", Phdr.p_offset);
4491 W.printHex("VirtualAddress", Phdr.p_vaddr);
4492 W.printHex("PhysicalAddress", Phdr.p_paddr);
4493 W.printNumber("FileSize", Phdr.p_filesz);
4494 W.printNumber("MemSize", Phdr.p_memsz);
4495 W.printFlags("Flags", Phdr.p_flags, makeArrayRef(ElfSegmentFlags));
4496 W.printNumber("Alignment", Phdr.p_align);
4500 template <class ELFT>
4501 void LLVMStyle<ELFT>::printHashHistogram(const ELFFile<ELFT> *Obj) {
4502 W.startLine() << "Hash Histogram not implemented!\n";
4505 template <class ELFT>
4506 void LLVMStyle<ELFT>::printCGProfile(const ELFFile<ELFT> *Obj) {
4507 ListScope L(W, "CGProfile");
4508 if (!this->dumper()->getDotCGProfileSec())
4511 unwrapOrError(Obj->template getSectionContentsAsArray<Elf_CGProfile>(
4512 this->dumper()->getDotCGProfileSec()));
4513 for (const Elf_CGProfile &CGPE : CGProfile) {
4514 DictScope D(W, "CGProfileEntry");
4515 W.printNumber("From", this->dumper()->getStaticSymbolName(CGPE.cgp_from),
4517 W.printNumber("To", this->dumper()->getStaticSymbolName(CGPE.cgp_to),
4519 W.printNumber("Weight", CGPE.cgp_weight);
4523 template <class ELFT>
4524 void LLVMStyle<ELFT>::printAddrsig(const ELFFile<ELFT> *Obj) {
4525 ListScope L(W, "Addrsig");
4526 if (!this->dumper()->getDotAddrsigSec())
4528 ArrayRef<uint8_t> Contents = unwrapOrError(
4529 Obj->getSectionContents(this->dumper()->getDotAddrsigSec()));
4530 const uint8_t *Cur = Contents.begin();
4531 const uint8_t *End = Contents.end();
4532 while (Cur != End) {
4535 uint64_t SymIndex = decodeULEB128(Cur, &Size, End, &Err);
4538 W.printNumber("Sym", this->dumper()->getStaticSymbolName(SymIndex),
4544 template <typename ELFT>
4545 static void printGNUNoteLLVMStyle(uint32_t NoteType,
4546 ArrayRef<uint8_t> Desc,
4551 case ELF::NT_GNU_ABI_TAG: {
4552 const GNUAbiTag &AbiTag = getGNUAbiTag<ELFT>(Desc);
4553 if (!AbiTag.IsValid) {
4554 W.printString("ABI", "<corrupt GNU_ABI_TAG>");
4556 W.printString("OS", AbiTag.OSName);
4557 W.printString("ABI", AbiTag.ABI);
4561 case ELF::NT_GNU_BUILD_ID: {
4562 W.printString("Build ID", getGNUBuildId(Desc));
4565 case ELF::NT_GNU_GOLD_VERSION:
4566 W.printString("Version", getGNUGoldVersion(Desc));
4568 case ELF::NT_GNU_PROPERTY_TYPE_0:
4569 ListScope D(W, "Property");
4570 for (const auto &Property : getGNUPropertyList<ELFT>(Desc))
4571 W.printString(Property);
4576 template <class ELFT>
4577 void LLVMStyle<ELFT>::printNotes(const ELFFile<ELFT> *Obj) {
4578 ListScope L(W, "Notes");
4579 const Elf_Ehdr *e = Obj->getHeader();
4580 bool IsCore = e->e_type == ELF::ET_CORE;
4582 auto PrintHeader = [&](const typename ELFT::Off Offset,
4583 const typename ELFT::Addr Size) {
4584 W.printHex("Offset", Offset);
4585 W.printHex("Size", Size);
4588 auto ProcessNote = [&](const Elf_Note &Note) {
4589 DictScope D2(W, "Note");
4590 StringRef Name = Note.getName();
4591 ArrayRef<uint8_t> Descriptor = Note.getDesc();
4592 Elf_Word Type = Note.getType();
4594 W.printString("Owner", Name);
4595 W.printHex("Data size", Descriptor.size());
4596 if (Name == "GNU") {
4597 W.printString("Type", getGNUNoteTypeName(Type));
4598 printGNUNoteLLVMStyle<ELFT>(Type, Descriptor, W);
4599 } else if (Name == "FreeBSD") {
4600 W.printString("Type", getFreeBSDNoteTypeName(Type));
4601 } else if (Name == "AMD") {
4602 W.printString("Type", getAMDNoteTypeName(Type));
4603 const AMDNote N = getAMDNote<ELFT>(Type, Descriptor);
4604 if (!N.Type.empty())
4605 W.printString(N.Type, N.Value);
4606 } else if (Name == "AMDGPU") {
4607 W.printString("Type", getAMDGPUNoteTypeName(Type));
4608 const AMDGPUNote N = getAMDGPUNote<ELFT>(Type, Descriptor);
4609 if (!N.Type.empty())
4610 W.printString(N.Type, N.Value);
4612 W.getOStream() << "Unknown note type: (" << format_hex(Type, 10) << ')';
4617 for (const auto &P : unwrapOrError(Obj->program_headers())) {
4618 if (P.p_type != PT_NOTE)
4620 DictScope D(W, "NoteSection");
4621 PrintHeader(P.p_offset, P.p_filesz);
4622 Error Err = Error::success();
4623 for (const auto &Note : Obj->notes(P, Err))
4626 error(std::move(Err));
4629 for (const auto &S : unwrapOrError(Obj->sections())) {
4630 if (S.sh_type != SHT_NOTE)
4632 DictScope D(W, "NoteSection");
4633 PrintHeader(S.sh_offset, S.sh_size);
4634 Error Err = Error::success();
4635 for (const auto &Note : Obj->notes(S, Err))
4638 error(std::move(Err));
4643 template <class ELFT>
4644 void LLVMStyle<ELFT>::printELFLinkerOptions(const ELFFile<ELFT> *Obj) {
4645 ListScope L(W, "LinkerOptions");
4647 for (const Elf_Shdr &Shdr : unwrapOrError(Obj->sections())) {
4648 if (Shdr.sh_type != ELF::SHT_LLVM_LINKER_OPTIONS)
4651 ArrayRef<uint8_t> Contents = unwrapOrError(Obj->getSectionContents(&Shdr));
4652 for (const uint8_t *P = Contents.begin(), *E = Contents.end(); P < E; ) {
4653 StringRef Key = StringRef(reinterpret_cast<const char *>(P));
4655 StringRef(reinterpret_cast<const char *>(P) + Key.size() + 1);
4657 W.printString(Key, Value);
4659 P = P + Key.size() + Value.size() + 2;
4664 template <class ELFT>
4665 void LLVMStyle<ELFT>::printMipsGOT(const MipsGOTParser<ELFT> &Parser) {
4666 auto PrintEntry = [&](const Elf_Addr *E) {
4667 W.printHex("Address", Parser.getGotAddress(E));
4668 W.printNumber("Access", Parser.getGotOffset(E));
4669 W.printHex("Initial", *E);
4672 DictScope GS(W, Parser.IsStatic ? "Static GOT" : "Primary GOT");
4674 W.printHex("Canonical gp value", Parser.getGp());
4676 ListScope RS(W, "Reserved entries");
4678 DictScope D(W, "Entry");
4679 PrintEntry(Parser.getGotLazyResolver());
4680 W.printString("Purpose", StringRef("Lazy resolver"));
4683 if (Parser.getGotModulePointer()) {
4684 DictScope D(W, "Entry");
4685 PrintEntry(Parser.getGotModulePointer());
4686 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
4690 ListScope LS(W, "Local entries");
4691 for (auto &E : Parser.getLocalEntries()) {
4692 DictScope D(W, "Entry");
4697 if (Parser.IsStatic)
4701 ListScope GS(W, "Global entries");
4702 for (auto &E : Parser.getGlobalEntries()) {
4703 DictScope D(W, "Entry");
4707 const Elf_Sym *Sym = Parser.getGotSym(&E);
4708 W.printHex("Value", Sym->st_value);
4709 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
4711 unsigned SectionIndex = 0;
4712 StringRef SectionName;
4713 this->dumper()->getSectionNameIndex(
4714 Sym, this->dumper()->dynamic_symbols().begin(), SectionName,
4716 W.printHex("Section", SectionName, SectionIndex);
4718 std::string SymName = this->dumper()->getFullSymbolName(
4719 Sym, this->dumper()->getDynamicStringTable(), true);
4720 W.printNumber("Name", SymName, Sym->st_name);
4724 W.printNumber("Number of TLS and multi-GOT entries",
4725 uint64_t(Parser.getOtherEntries().size()));
4728 template <class ELFT>
4729 void LLVMStyle<ELFT>::printMipsPLT(const MipsGOTParser<ELFT> &Parser) {
4730 auto PrintEntry = [&](const Elf_Addr *E) {
4731 W.printHex("Address", Parser.getPltAddress(E));
4732 W.printHex("Initial", *E);
4735 DictScope GS(W, "PLT GOT");
4738 ListScope RS(W, "Reserved entries");
4740 DictScope D(W, "Entry");
4741 PrintEntry(Parser.getPltLazyResolver());
4742 W.printString("Purpose", StringRef("PLT lazy resolver"));
4745 if (auto E = Parser.getPltModulePointer()) {
4746 DictScope D(W, "Entry");
4748 W.printString("Purpose", StringRef("Module pointer"));
4752 ListScope LS(W, "Entries");
4753 for (auto &E : Parser.getPltEntries()) {
4754 DictScope D(W, "Entry");
4757 const Elf_Sym *Sym = Parser.getPltSym(&E);
4758 W.printHex("Value", Sym->st_value);
4759 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
4761 unsigned SectionIndex = 0;
4762 StringRef SectionName;
4763 this->dumper()->getSectionNameIndex(
4764 Sym, this->dumper()->dynamic_symbols().begin(), SectionName,
4766 W.printHex("Section", SectionName, SectionIndex);
4768 std::string SymName =
4769 this->dumper()->getFullSymbolName(Sym, Parser.getPltStrTable(), true);
4770 W.printNumber("Name", SymName, Sym->st_name);