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 /// \brief This file implements the ELF-specific dumper for llvm-readobj.
13 //===----------------------------------------------------------------------===//
15 #include "ARMEHABIPrinter.h"
17 #include "ObjDumper.h"
18 #include "StackMapPrinter.h"
19 #include "llvm-readobj.h"
20 #include "llvm/ADT/ArrayRef.h"
21 #include "llvm/ADT/Optional.h"
22 #include "llvm/ADT/PointerIntPair.h"
23 #include "llvm/ADT/SmallString.h"
24 #include "llvm/ADT/SmallVector.h"
25 #include "llvm/ADT/STLExtras.h"
26 #include "llvm/ADT/StringExtras.h"
27 #include "llvm/ADT/StringRef.h"
28 #include "llvm/ADT/Twine.h"
29 #include "llvm/BinaryFormat/ELF.h"
30 #include "llvm/Object/ELF.h"
31 #include "llvm/Object/ELFObjectFile.h"
32 #include "llvm/Object/ELFTypes.h"
33 #include "llvm/Object/Error.h"
34 #include "llvm/Object/ObjectFile.h"
35 #include "llvm/Object/StackMapParser.h"
36 #include "llvm/Support/ARMAttributeParser.h"
37 #include "llvm/Support/ARMBuildAttributes.h"
38 #include "llvm/Support/Casting.h"
39 #include "llvm/Support/Compiler.h"
40 #include "llvm/Support/Endian.h"
41 #include "llvm/Support/ErrorHandling.h"
42 #include "llvm/Support/Format.h"
43 #include "llvm/Support/FormattedStream.h"
44 #include "llvm/Support/MathExtras.h"
45 #include "llvm/Support/MipsABIFlags.h"
46 #include "llvm/Support/ScopedPrinter.h"
47 #include "llvm/Support/raw_ostream.h"
56 #include <system_error>
60 using namespace llvm::object;
63 #define LLVM_READOBJ_ENUM_CASE(ns, enum) \
64 case ns::enum: return #enum;
66 #define ENUM_ENT(enum, altName) \
67 { #enum, altName, ELF::enum }
69 #define ENUM_ENT_1(enum) \
70 { #enum, #enum, ELF::enum }
72 #define LLVM_READOBJ_PHDR_ENUM(ns, enum) \
74 return std::string(#enum).substr(3);
76 #define TYPEDEF_ELF_TYPES(ELFT) \
77 using ELFO = ELFFile<ELFT>; \
78 using Elf_Shdr = typename ELFO::Elf_Shdr; \
79 using Elf_Sym = typename ELFO::Elf_Sym; \
80 using Elf_Dyn = typename ELFO::Elf_Dyn; \
81 using Elf_Dyn_Range = typename ELFO::Elf_Dyn_Range; \
82 using Elf_Rel = typename ELFO::Elf_Rel; \
83 using Elf_Rela = typename ELFO::Elf_Rela; \
84 using Elf_Rel_Range = typename ELFO::Elf_Rel_Range; \
85 using Elf_Rela_Range = typename ELFO::Elf_Rela_Range; \
86 using Elf_Phdr = typename ELFO::Elf_Phdr; \
87 using Elf_Half = typename ELFO::Elf_Half; \
88 using Elf_Ehdr = typename ELFO::Elf_Ehdr; \
89 using Elf_Word = typename ELFO::Elf_Word; \
90 using Elf_Hash = typename ELFO::Elf_Hash; \
91 using Elf_GnuHash = typename ELFO::Elf_GnuHash; \
92 using Elf_Sym_Range = typename ELFO::Elf_Sym_Range; \
93 using Elf_Versym = typename ELFO::Elf_Versym; \
94 using Elf_Verneed = typename ELFO::Elf_Verneed; \
95 using Elf_Vernaux = typename ELFO::Elf_Vernaux; \
96 using Elf_Verdef = typename ELFO::Elf_Verdef; \
97 using Elf_Verdaux = typename ELFO::Elf_Verdaux; \
98 using uintX_t = typename ELFO::uintX_t;
102 template <class ELFT> class DumpStyle;
104 /// Represents a contiguous uniform range in the file. We cannot just create a
105 /// range directly because when creating one of these from the .dynamic table
106 /// the size, entity size and virtual address are different entries in arbitrary
107 /// order (DT_REL, DT_RELSZ, DT_RELENT for example).
108 struct DynRegionInfo {
109 DynRegionInfo() = default;
110 DynRegionInfo(const void *A, uint64_t S, uint64_t ES)
111 : Addr(A), Size(S), EntSize(ES) {}
113 /// \brief Address in current address space.
114 const void *Addr = nullptr;
115 /// \brief Size in bytes of the region.
117 /// \brief Size of each entity in the region.
118 uint64_t EntSize = 0;
120 template <typename Type> ArrayRef<Type> getAsArrayRef() const {
121 const Type *Start = reinterpret_cast<const Type *>(Addr);
123 return {Start, Start};
124 if (EntSize != sizeof(Type) || Size % EntSize)
125 reportError("Invalid entity size");
126 return {Start, Start + (Size / EntSize)};
130 template<typename ELFT>
131 class ELFDumper : public ObjDumper {
133 ELFDumper(const ELFFile<ELFT> *Obj, ScopedPrinter &Writer);
135 void printFileHeaders() override;
136 void printSections() override;
137 void printRelocations() override;
138 void printDynamicRelocations() override;
139 void printSymbols() override;
140 void printDynamicSymbols() override;
141 void printUnwindInfo() override;
143 void printDynamicTable() override;
144 void printNeededLibraries() override;
145 void printProgramHeaders() override;
146 void printHashTable() override;
147 void printGnuHashTable() override;
148 void printLoadName() override;
149 void printVersionInfo() override;
150 void printGroupSections() override;
152 void printAttributes() override;
153 void printMipsPLTGOT() override;
154 void printMipsABIFlags() override;
155 void printMipsReginfo() override;
156 void printMipsOptions() override;
158 void printAMDGPUCodeObjectMetadata() override;
160 void printStackMap() const override;
162 void printHashHistogram() override;
164 void printNotes() override;
167 std::unique_ptr<DumpStyle<ELFT>> ELFDumperStyle;
169 TYPEDEF_ELF_TYPES(ELFT)
171 DynRegionInfo checkDRI(DynRegionInfo DRI) {
172 if (DRI.Addr < Obj->base() ||
173 (const uint8_t *)DRI.Addr + DRI.Size > Obj->base() + Obj->getBufSize())
174 error(llvm::object::object_error::parse_failed);
178 DynRegionInfo createDRIFrom(const Elf_Phdr *P, uintX_t EntSize) {
179 return checkDRI({Obj->base() + P->p_offset, P->p_filesz, EntSize});
182 DynRegionInfo createDRIFrom(const Elf_Shdr *S) {
183 return checkDRI({Obj->base() + S->sh_offset, S->sh_size, S->sh_entsize});
186 void parseDynamicTable(ArrayRef<const Elf_Phdr *> LoadSegments);
188 void printValue(uint64_t Type, uint64_t Value);
190 StringRef getDynamicString(uint64_t Offset) const;
191 StringRef getSymbolVersion(StringRef StrTab, const Elf_Sym *symb,
192 bool &IsDefault) const;
193 void LoadVersionMap() const;
194 void LoadVersionNeeds(const Elf_Shdr *ec) const;
195 void LoadVersionDefs(const Elf_Shdr *sec) const;
198 DynRegionInfo DynRelRegion;
199 DynRegionInfo DynRelaRegion;
200 DynRegionInfo DynPLTRelRegion;
201 DynRegionInfo DynSymRegion;
202 DynRegionInfo DynamicTable;
203 StringRef DynamicStringTable;
205 const Elf_Hash *HashTable = nullptr;
206 const Elf_GnuHash *GnuHashTable = nullptr;
207 const Elf_Shdr *DotSymtabSec = nullptr;
208 StringRef DynSymtabName;
209 ArrayRef<Elf_Word> ShndxTable;
211 const Elf_Shdr *dot_gnu_version_sec = nullptr; // .gnu.version
212 const Elf_Shdr *dot_gnu_version_r_sec = nullptr; // .gnu.version_r
213 const Elf_Shdr *dot_gnu_version_d_sec = nullptr; // .gnu.version_d
215 // Records for each version index the corresponding Verdef or Vernaux entry.
216 // This is filled the first time LoadVersionMap() is called.
217 class VersionMapEntry : public PointerIntPair<const void *, 1> {
219 // If the integer is 0, this is an Elf_Verdef*.
220 // If the integer is 1, this is an Elf_Vernaux*.
221 VersionMapEntry() : PointerIntPair<const void *, 1>(nullptr, 0) {}
222 VersionMapEntry(const Elf_Verdef *verdef)
223 : PointerIntPair<const void *, 1>(verdef, 0) {}
224 VersionMapEntry(const Elf_Vernaux *vernaux)
225 : PointerIntPair<const void *, 1>(vernaux, 1) {}
227 bool isNull() const { return getPointer() == nullptr; }
228 bool isVerdef() const { return !isNull() && getInt() == 0; }
229 bool isVernaux() const { return !isNull() && getInt() == 1; }
230 const Elf_Verdef *getVerdef() const {
231 return isVerdef() ? (const Elf_Verdef *)getPointer() : nullptr;
233 const Elf_Vernaux *getVernaux() const {
234 return isVernaux() ? (const Elf_Vernaux *)getPointer() : nullptr;
237 mutable SmallVector<VersionMapEntry, 16> VersionMap;
240 Elf_Dyn_Range dynamic_table() const {
241 return DynamicTable.getAsArrayRef<Elf_Dyn>();
244 Elf_Sym_Range dynamic_symbols() const {
245 return DynSymRegion.getAsArrayRef<Elf_Sym>();
248 Elf_Rel_Range dyn_rels() const;
249 Elf_Rela_Range dyn_relas() const;
250 std::string getFullSymbolName(const Elf_Sym *Symbol, StringRef StrTable,
251 bool IsDynamic) const;
253 void printSymbolsHelper(bool IsDynamic) const;
254 const Elf_Shdr *getDotSymtabSec() const { return DotSymtabSec; }
255 ArrayRef<Elf_Word> getShndxTable() const { return ShndxTable; }
256 StringRef getDynamicStringTable() const { return DynamicStringTable; }
257 const DynRegionInfo &getDynRelRegion() const { return DynRelRegion; }
258 const DynRegionInfo &getDynRelaRegion() const { return DynRelaRegion; }
259 const DynRegionInfo &getDynPLTRelRegion() const { return DynPLTRelRegion; }
260 const Elf_Hash *getHashTable() const { return HashTable; }
261 const Elf_GnuHash *getGnuHashTable() const { return GnuHashTable; }
264 template <class ELFT>
265 void ELFDumper<ELFT>::printSymbolsHelper(bool IsDynamic) const {
266 StringRef StrTable, SymtabName;
268 Elf_Sym_Range Syms(nullptr, nullptr);
270 StrTable = DynamicStringTable;
271 Syms = dynamic_symbols();
272 SymtabName = DynSymtabName;
273 if (DynSymRegion.Addr)
274 Entries = DynSymRegion.Size / DynSymRegion.EntSize;
278 StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec));
279 Syms = unwrapOrError(Obj->symbols(DotSymtabSec));
280 SymtabName = unwrapOrError(Obj->getSectionName(DotSymtabSec));
281 Entries = DotSymtabSec->getEntityCount();
283 if (Syms.begin() == Syms.end())
285 ELFDumperStyle->printSymtabMessage(Obj, SymtabName, Entries);
286 for (const auto &Sym : Syms)
287 ELFDumperStyle->printSymbol(Obj, &Sym, Syms.begin(), StrTable, IsDynamic);
290 template <typename ELFT> class DumpStyle {
292 using Elf_Shdr = typename ELFFile<ELFT>::Elf_Shdr;
293 using Elf_Sym = typename ELFFile<ELFT>::Elf_Sym;
295 DumpStyle(ELFDumper<ELFT> *Dumper) : Dumper(Dumper) {}
296 virtual ~DumpStyle() = default;
298 virtual void printFileHeaders(const ELFFile<ELFT> *Obj) = 0;
299 virtual void printGroupSections(const ELFFile<ELFT> *Obj) = 0;
300 virtual void printRelocations(const ELFFile<ELFT> *Obj) = 0;
301 virtual void printSections(const ELFFile<ELFT> *Obj) = 0;
302 virtual void printSymbols(const ELFFile<ELFT> *Obj) = 0;
303 virtual void printDynamicSymbols(const ELFFile<ELFT> *Obj) = 0;
304 virtual void printDynamicRelocations(const ELFFile<ELFT> *Obj) = 0;
305 virtual void printSymtabMessage(const ELFFile<ELFT> *obj, StringRef Name,
307 virtual void printSymbol(const ELFFile<ELFT> *Obj, const Elf_Sym *Symbol,
308 const Elf_Sym *FirstSym, StringRef StrTable,
310 virtual void printProgramHeaders(const ELFFile<ELFT> *Obj) = 0;
311 virtual void printHashHistogram(const ELFFile<ELFT> *Obj) = 0;
312 virtual void printNotes(const ELFFile<ELFT> *Obj) = 0;
313 const ELFDumper<ELFT> *dumper() const { return Dumper; }
316 const ELFDumper<ELFT> *Dumper;
319 template <typename ELFT> class GNUStyle : public DumpStyle<ELFT> {
320 formatted_raw_ostream OS;
323 TYPEDEF_ELF_TYPES(ELFT)
325 GNUStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper)
326 : DumpStyle<ELFT>(Dumper), OS(W.getOStream()) {}
328 void printFileHeaders(const ELFO *Obj) override;
329 void printGroupSections(const ELFFile<ELFT> *Obj) override;
330 void printRelocations(const ELFO *Obj) override;
331 void printSections(const ELFO *Obj) override;
332 void printSymbols(const ELFO *Obj) override;
333 void printDynamicSymbols(const ELFO *Obj) override;
334 void printDynamicRelocations(const ELFO *Obj) override;
335 void printSymtabMessage(const ELFO *Obj, StringRef Name,
336 size_t Offset) override;
337 void printProgramHeaders(const ELFO *Obj) override;
338 void printHashHistogram(const ELFFile<ELFT> *Obj) override;
339 void printNotes(const ELFFile<ELFT> *Obj) override;
346 Field(StringRef S, unsigned Col) : Str(S), Column(Col) {}
347 Field(unsigned Col) : Str(""), Column(Col) {}
350 template <typename T, typename TEnum>
351 std::string printEnum(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues) {
352 for (const auto &EnumItem : EnumValues)
353 if (EnumItem.Value == Value)
354 return EnumItem.AltName;
355 return to_hexString(Value, false);
358 formatted_raw_ostream &printField(struct Field F) {
360 OS.PadToColumn(F.Column);
365 void printHashedSymbol(const ELFO *Obj, const Elf_Sym *FirstSym, uint32_t Sym,
366 StringRef StrTable, uint32_t Bucket);
367 void printRelocation(const ELFO *Obj, const Elf_Shdr *SymTab,
368 const Elf_Rela &R, bool IsRela);
369 void printSymbol(const ELFO *Obj, const Elf_Sym *Symbol, const Elf_Sym *First,
370 StringRef StrTable, bool IsDynamic) override;
371 std::string getSymbolSectionNdx(const ELFO *Obj, const Elf_Sym *Symbol,
372 const Elf_Sym *FirstSym);
373 void printDynamicRelocation(const ELFO *Obj, Elf_Rela R, bool IsRela);
374 bool checkTLSSections(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
375 bool checkoffsets(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
376 bool checkVMA(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
377 bool checkPTDynamic(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
380 template <typename ELFT> class LLVMStyle : public DumpStyle<ELFT> {
382 TYPEDEF_ELF_TYPES(ELFT)
384 LLVMStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper)
385 : DumpStyle<ELFT>(Dumper), W(W) {}
387 void printFileHeaders(const ELFO *Obj) override;
388 void printGroupSections(const ELFFile<ELFT> *Obj) override;
389 void printRelocations(const ELFO *Obj) override;
390 void printRelocations(const Elf_Shdr *Sec, const ELFO *Obj);
391 void printSections(const ELFO *Obj) override;
392 void printSymbols(const ELFO *Obj) override;
393 void printDynamicSymbols(const ELFO *Obj) override;
394 void printDynamicRelocations(const ELFO *Obj) override;
395 void printProgramHeaders(const ELFO *Obj) override;
396 void printHashHistogram(const ELFFile<ELFT> *Obj) override;
397 void printNotes(const ELFFile<ELFT> *Obj) override;
400 void printRelocation(const ELFO *Obj, Elf_Rela Rel, const Elf_Shdr *SymTab);
401 void printDynamicRelocation(const ELFO *Obj, Elf_Rela Rel);
402 void printSymbol(const ELFO *Obj, const Elf_Sym *Symbol, const Elf_Sym *First,
403 StringRef StrTable, bool IsDynamic) override;
408 } // end anonymous namespace
412 template <class ELFT>
413 static std::error_code createELFDumper(const ELFFile<ELFT> *Obj,
414 ScopedPrinter &Writer,
415 std::unique_ptr<ObjDumper> &Result) {
416 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
417 return readobj_error::success;
420 std::error_code createELFDumper(const object::ObjectFile *Obj,
421 ScopedPrinter &Writer,
422 std::unique_ptr<ObjDumper> &Result) {
423 // Little-endian 32-bit
424 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
425 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
428 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
429 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
431 // Little-endian 64-bit
432 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
433 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
436 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
437 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
439 return readobj_error::unsupported_obj_file_format;
442 } // end namespace llvm
444 // Iterate through the versions needed section, and place each Elf_Vernaux
445 // in the VersionMap according to its index.
446 template <class ELFT>
447 void ELFDumper<ELFT>::LoadVersionNeeds(const Elf_Shdr *sec) const {
448 unsigned vn_size = sec->sh_size; // Size of section in bytes
449 unsigned vn_count = sec->sh_info; // Number of Verneed entries
450 const char *sec_start = (const char *)Obj->base() + sec->sh_offset;
451 const char *sec_end = sec_start + vn_size;
452 // The first Verneed entry is at the start of the section.
453 const char *p = sec_start;
454 for (unsigned i = 0; i < vn_count; i++) {
455 if (p + sizeof(Elf_Verneed) > sec_end)
456 report_fatal_error("Section ended unexpectedly while scanning "
457 "version needed records.");
458 const Elf_Verneed *vn = reinterpret_cast<const Elf_Verneed *>(p);
459 if (vn->vn_version != ELF::VER_NEED_CURRENT)
460 report_fatal_error("Unexpected verneed version");
461 // Iterate through the Vernaux entries
462 const char *paux = p + vn->vn_aux;
463 for (unsigned j = 0; j < vn->vn_cnt; j++) {
464 if (paux + sizeof(Elf_Vernaux) > sec_end)
465 report_fatal_error("Section ended unexpected while scanning auxiliary "
466 "version needed records.");
467 const Elf_Vernaux *vna = reinterpret_cast<const Elf_Vernaux *>(paux);
468 size_t index = vna->vna_other & ELF::VERSYM_VERSION;
469 if (index >= VersionMap.size())
470 VersionMap.resize(index + 1);
471 VersionMap[index] = VersionMapEntry(vna);
472 paux += vna->vna_next;
478 // Iterate through the version definitions, and place each Elf_Verdef
479 // in the VersionMap according to its index.
480 template <class ELFT>
481 void ELFDumper<ELFT>::LoadVersionDefs(const Elf_Shdr *sec) const {
482 unsigned vd_size = sec->sh_size; // Size of section in bytes
483 unsigned vd_count = sec->sh_info; // Number of Verdef entries
484 const char *sec_start = (const char *)Obj->base() + sec->sh_offset;
485 const char *sec_end = sec_start + vd_size;
486 // The first Verdef entry is at the start of the section.
487 const char *p = sec_start;
488 for (unsigned i = 0; i < vd_count; i++) {
489 if (p + sizeof(Elf_Verdef) > sec_end)
490 report_fatal_error("Section ended unexpectedly while scanning "
491 "version definitions.");
492 const Elf_Verdef *vd = reinterpret_cast<const Elf_Verdef *>(p);
493 if (vd->vd_version != ELF::VER_DEF_CURRENT)
494 report_fatal_error("Unexpected verdef version");
495 size_t index = vd->vd_ndx & ELF::VERSYM_VERSION;
496 if (index >= VersionMap.size())
497 VersionMap.resize(index + 1);
498 VersionMap[index] = VersionMapEntry(vd);
503 template <class ELFT> void ELFDumper<ELFT>::LoadVersionMap() const {
504 // If there is no dynamic symtab or version table, there is nothing to do.
505 if (!DynSymRegion.Addr || !dot_gnu_version_sec)
508 // Has the VersionMap already been loaded?
509 if (VersionMap.size() > 0)
512 // The first two version indexes are reserved.
513 // Index 0 is LOCAL, index 1 is GLOBAL.
514 VersionMap.push_back(VersionMapEntry());
515 VersionMap.push_back(VersionMapEntry());
517 if (dot_gnu_version_d_sec)
518 LoadVersionDefs(dot_gnu_version_d_sec);
520 if (dot_gnu_version_r_sec)
521 LoadVersionNeeds(dot_gnu_version_r_sec);
524 template <typename ELFO, class ELFT>
525 static void printVersionSymbolSection(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
526 const typename ELFO::Elf_Shdr *Sec,
528 DictScope SS(W, "Version symbols");
531 StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
532 W.printNumber("Section Name", Name, Sec->sh_name);
533 W.printHex("Address", Sec->sh_addr);
534 W.printHex("Offset", Sec->sh_offset);
535 W.printNumber("Link", Sec->sh_link);
537 const uint8_t *P = (const uint8_t *)Obj->base() + Sec->sh_offset;
538 StringRef StrTable = Dumper->getDynamicStringTable();
540 // Same number of entries in the dynamic symbol table (DT_SYMTAB).
541 ListScope Syms(W, "Symbols");
542 for (const typename ELFO::Elf_Sym &Sym : Dumper->dynamic_symbols()) {
543 DictScope S(W, "Symbol");
544 std::string FullSymbolName =
545 Dumper->getFullSymbolName(&Sym, StrTable, true /* IsDynamic */);
546 W.printNumber("Version", *P);
547 W.printString("Name", FullSymbolName);
548 P += sizeof(typename ELFO::Elf_Half);
552 static const EnumEntry<unsigned> SymVersionFlags[] = {
553 {"Base", "BASE", VER_FLG_BASE},
554 {"Weak", "WEAK", VER_FLG_WEAK},
555 {"Info", "INFO", VER_FLG_INFO}};
557 template <typename ELFO, class ELFT>
558 static void printVersionDefinitionSection(ELFDumper<ELFT> *Dumper,
560 const typename ELFO::Elf_Shdr *Sec,
562 using VerDef = typename ELFO::Elf_Verdef;
563 using VerdAux = typename ELFO::Elf_Verdaux;
565 DictScope SD(W, "SHT_GNU_verdef");
569 // The number of entries in the section SHT_GNU_verdef
570 // is determined by DT_VERDEFNUM tag.
571 unsigned VerDefsNum = 0;
572 for (const typename ELFO::Elf_Dyn &Dyn : Dumper->dynamic_table()) {
573 if (Dyn.d_tag == DT_VERDEFNUM)
574 VerDefsNum = Dyn.d_un.d_val;
576 const uint8_t *SecStartAddress =
577 (const uint8_t *)Obj->base() + Sec->sh_offset;
578 const uint8_t *SecEndAddress = SecStartAddress + Sec->sh_size;
579 const uint8_t *P = SecStartAddress;
580 const typename ELFO::Elf_Shdr *StrTab =
581 unwrapOrError(Obj->getSection(Sec->sh_link));
583 while (VerDefsNum--) {
584 if (P + sizeof(VerDef) > SecEndAddress)
585 report_fatal_error("invalid offset in the section");
587 auto *VD = reinterpret_cast<const VerDef *>(P);
588 DictScope Def(W, "Definition");
589 W.printNumber("Version", VD->vd_version);
590 W.printEnum("Flags", VD->vd_flags, makeArrayRef(SymVersionFlags));
591 W.printNumber("Index", VD->vd_ndx);
592 W.printNumber("Hash", VD->vd_hash);
593 W.printString("Name",
594 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
595 VD->getAux()->vda_name)));
597 report_fatal_error("at least one definition string must exist");
599 report_fatal_error("more than one predecessor is not expected");
601 if (VD->vd_cnt == 2) {
602 const uint8_t *PAux = P + VD->vd_aux + VD->getAux()->vda_next;
603 const VerdAux *Aux = reinterpret_cast<const VerdAux *>(PAux);
604 W.printString("Predecessor",
605 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
613 template <typename ELFO, class ELFT>
614 static void printVersionDependencySection(ELFDumper<ELFT> *Dumper,
616 const typename ELFO::Elf_Shdr *Sec,
618 using VerNeed = typename ELFO::Elf_Verneed;
619 using VernAux = typename ELFO::Elf_Vernaux;
621 DictScope SD(W, "SHT_GNU_verneed");
625 unsigned VerNeedNum = 0;
626 for (const typename ELFO::Elf_Dyn &Dyn : Dumper->dynamic_table())
627 if (Dyn.d_tag == DT_VERNEEDNUM)
628 VerNeedNum = Dyn.d_un.d_val;
630 const uint8_t *SecData = (const uint8_t *)Obj->base() + Sec->sh_offset;
631 const typename ELFO::Elf_Shdr *StrTab =
632 unwrapOrError(Obj->getSection(Sec->sh_link));
634 const uint8_t *P = SecData;
635 for (unsigned I = 0; I < VerNeedNum; ++I) {
636 const VerNeed *Need = reinterpret_cast<const VerNeed *>(P);
637 DictScope Entry(W, "Dependency");
638 W.printNumber("Version", Need->vn_version);
639 W.printNumber("Count", Need->vn_cnt);
640 W.printString("FileName",
641 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
644 const uint8_t *PAux = P + Need->vn_aux;
645 for (unsigned J = 0; J < Need->vn_cnt; ++J) {
646 const VernAux *Aux = reinterpret_cast<const VernAux *>(PAux);
647 DictScope Entry(W, "Entry");
648 W.printNumber("Hash", Aux->vna_hash);
649 W.printEnum("Flags", Aux->vna_flags, makeArrayRef(SymVersionFlags));
650 W.printNumber("Index", Aux->vna_other);
651 W.printString("Name",
652 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
654 PAux += Aux->vna_next;
660 template <typename ELFT> void ELFDumper<ELFT>::printVersionInfo() {
661 // Dump version symbol section.
662 printVersionSymbolSection(this, Obj, dot_gnu_version_sec, W);
664 // Dump version definition section.
665 printVersionDefinitionSection(this, Obj, dot_gnu_version_d_sec, W);
667 // Dump version dependency section.
668 printVersionDependencySection(this, Obj, dot_gnu_version_r_sec, W);
671 template <typename ELFT>
672 StringRef ELFDumper<ELFT>::getSymbolVersion(StringRef StrTab,
674 bool &IsDefault) const {
675 // This is a dynamic symbol. Look in the GNU symbol version table.
676 if (!dot_gnu_version_sec) {
679 return StringRef("");
682 // Determine the position in the symbol table of this entry.
683 size_t entry_index = (reinterpret_cast<uintptr_t>(symb) -
684 reinterpret_cast<uintptr_t>(DynSymRegion.Addr)) /
687 // Get the corresponding version index entry
688 const Elf_Versym *vs = unwrapOrError(
689 Obj->template getEntry<Elf_Versym>(dot_gnu_version_sec, entry_index));
690 size_t version_index = vs->vs_index & ELF::VERSYM_VERSION;
692 // Special markers for unversioned symbols.
693 if (version_index == ELF::VER_NDX_LOCAL ||
694 version_index == ELF::VER_NDX_GLOBAL) {
696 return StringRef("");
699 // Lookup this symbol in the version table
701 if (version_index >= VersionMap.size() || VersionMap[version_index].isNull())
702 reportError("Invalid version entry");
703 const VersionMapEntry &entry = VersionMap[version_index];
705 // Get the version name string
707 if (entry.isVerdef()) {
708 // The first Verdaux entry holds the name.
709 name_offset = entry.getVerdef()->getAux()->vda_name;
710 IsDefault = !(vs->vs_index & ELF::VERSYM_HIDDEN);
712 name_offset = entry.getVernaux()->vna_name;
715 if (name_offset >= StrTab.size())
716 reportError("Invalid string offset");
717 return StringRef(StrTab.data() + name_offset);
720 template <typename ELFT>
721 std::string ELFDumper<ELFT>::getFullSymbolName(const Elf_Sym *Symbol,
723 bool IsDynamic) const {
724 StringRef SymbolName = unwrapOrError(Symbol->getName(StrTable));
728 std::string FullSymbolName(SymbolName);
731 StringRef Version = getSymbolVersion(StrTable, &*Symbol, IsDefault);
732 FullSymbolName += (IsDefault ? "@@" : "@");
733 FullSymbolName += Version;
734 return FullSymbolName;
737 template <typename ELFT>
739 getSectionNameIndex(const ELFFile<ELFT> &Obj, const typename ELFT::Sym *Symbol,
740 const typename ELFT::Sym *FirstSym,
741 ArrayRef<typename ELFT::Word> ShndxTable,
742 StringRef &SectionName, unsigned &SectionIndex) {
743 SectionIndex = Symbol->st_shndx;
744 if (Symbol->isUndefined())
745 SectionName = "Undefined";
746 else if (Symbol->isProcessorSpecific())
747 SectionName = "Processor Specific";
748 else if (Symbol->isOSSpecific())
749 SectionName = "Operating System Specific";
750 else if (Symbol->isAbsolute())
751 SectionName = "Absolute";
752 else if (Symbol->isCommon())
753 SectionName = "Common";
754 else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
755 SectionName = "Reserved";
757 if (SectionIndex == SHN_XINDEX)
758 SectionIndex = unwrapOrError(object::getExtendedSymbolTableIndex<ELFT>(
759 Symbol, FirstSym, ShndxTable));
760 const typename ELFT::Shdr *Sec =
761 unwrapOrError(Obj.getSection(SectionIndex));
762 SectionName = unwrapOrError(Obj.getSectionName(Sec));
766 template <class ELFO>
767 static const typename ELFO::Elf_Shdr *
768 findNotEmptySectionByAddress(const ELFO *Obj, uint64_t Addr) {
769 for (const auto &Shdr : unwrapOrError(Obj->sections()))
770 if (Shdr.sh_addr == Addr && Shdr.sh_size > 0)
775 template <class ELFO>
776 static const typename ELFO::Elf_Shdr *findSectionByName(const ELFO &Obj,
778 for (const auto &Shdr : unwrapOrError(Obj.sections())) {
779 if (Name == unwrapOrError(Obj.getSectionName(&Shdr)))
785 static const EnumEntry<unsigned> ElfClass[] = {
786 {"None", "none", ELF::ELFCLASSNONE},
787 {"32-bit", "ELF32", ELF::ELFCLASS32},
788 {"64-bit", "ELF64", ELF::ELFCLASS64},
791 static const EnumEntry<unsigned> ElfDataEncoding[] = {
792 {"None", "none", ELF::ELFDATANONE},
793 {"LittleEndian", "2's complement, little endian", ELF::ELFDATA2LSB},
794 {"BigEndian", "2's complement, big endian", ELF::ELFDATA2MSB},
797 static const EnumEntry<unsigned> ElfObjectFileType[] = {
798 {"None", "NONE (none)", ELF::ET_NONE},
799 {"Relocatable", "REL (Relocatable file)", ELF::ET_REL},
800 {"Executable", "EXEC (Executable file)", ELF::ET_EXEC},
801 {"SharedObject", "DYN (Shared object file)", ELF::ET_DYN},
802 {"Core", "CORE (Core file)", ELF::ET_CORE},
805 static const EnumEntry<unsigned> ElfOSABI[] = {
806 {"SystemV", "UNIX - System V", ELF::ELFOSABI_NONE},
807 {"HPUX", "UNIX - HP-UX", ELF::ELFOSABI_HPUX},
808 {"NetBSD", "UNIX - NetBSD", ELF::ELFOSABI_NETBSD},
809 {"GNU/Linux", "UNIX - GNU", ELF::ELFOSABI_LINUX},
810 {"GNU/Hurd", "GNU/Hurd", ELF::ELFOSABI_HURD},
811 {"Solaris", "UNIX - Solaris", ELF::ELFOSABI_SOLARIS},
812 {"AIX", "UNIX - AIX", ELF::ELFOSABI_AIX},
813 {"IRIX", "UNIX - IRIX", ELF::ELFOSABI_IRIX},
814 {"FreeBSD", "UNIX - FreeBSD", ELF::ELFOSABI_FREEBSD},
815 {"TRU64", "UNIX - TRU64", ELF::ELFOSABI_TRU64},
816 {"Modesto", "Novell - Modesto", ELF::ELFOSABI_MODESTO},
817 {"OpenBSD", "UNIX - OpenBSD", ELF::ELFOSABI_OPENBSD},
818 {"OpenVMS", "VMS - OpenVMS", ELF::ELFOSABI_OPENVMS},
819 {"NSK", "HP - Non-Stop Kernel", ELF::ELFOSABI_NSK},
820 {"AROS", "AROS", ELF::ELFOSABI_AROS},
821 {"FenixOS", "FenixOS", ELF::ELFOSABI_FENIXOS},
822 {"CloudABI", "CloudABI", ELF::ELFOSABI_CLOUDABI},
823 {"C6000_ELFABI", "Bare-metal C6000", ELF::ELFOSABI_C6000_ELFABI},
824 {"C6000_LINUX", "Linux C6000", ELF::ELFOSABI_C6000_LINUX},
825 {"ARM", "ARM", ELF::ELFOSABI_ARM},
826 {"Standalone", "Standalone App", ELF::ELFOSABI_STANDALONE}
829 static const EnumEntry<unsigned> ElfMachineType[] = {
830 ENUM_ENT(EM_NONE, "None"),
831 ENUM_ENT(EM_M32, "WE32100"),
832 ENUM_ENT(EM_SPARC, "Sparc"),
833 ENUM_ENT(EM_386, "Intel 80386"),
834 ENUM_ENT(EM_68K, "MC68000"),
835 ENUM_ENT(EM_88K, "MC88000"),
836 ENUM_ENT(EM_IAMCU, "EM_IAMCU"),
837 ENUM_ENT(EM_860, "Intel 80860"),
838 ENUM_ENT(EM_MIPS, "MIPS R3000"),
839 ENUM_ENT(EM_S370, "IBM System/370"),
840 ENUM_ENT(EM_MIPS_RS3_LE, "MIPS R3000 little-endian"),
841 ENUM_ENT(EM_PARISC, "HPPA"),
842 ENUM_ENT(EM_VPP500, "Fujitsu VPP500"),
843 ENUM_ENT(EM_SPARC32PLUS, "Sparc v8+"),
844 ENUM_ENT(EM_960, "Intel 80960"),
845 ENUM_ENT(EM_PPC, "PowerPC"),
846 ENUM_ENT(EM_PPC64, "PowerPC64"),
847 ENUM_ENT(EM_S390, "IBM S/390"),
848 ENUM_ENT(EM_SPU, "SPU"),
849 ENUM_ENT(EM_V800, "NEC V800 series"),
850 ENUM_ENT(EM_FR20, "Fujistsu FR20"),
851 ENUM_ENT(EM_RH32, "TRW RH-32"),
852 ENUM_ENT(EM_RCE, "Motorola RCE"),
853 ENUM_ENT(EM_ARM, "ARM"),
854 ENUM_ENT(EM_ALPHA, "EM_ALPHA"),
855 ENUM_ENT(EM_SH, "Hitachi SH"),
856 ENUM_ENT(EM_SPARCV9, "Sparc v9"),
857 ENUM_ENT(EM_TRICORE, "Siemens Tricore"),
858 ENUM_ENT(EM_ARC, "ARC"),
859 ENUM_ENT(EM_H8_300, "Hitachi H8/300"),
860 ENUM_ENT(EM_H8_300H, "Hitachi H8/300H"),
861 ENUM_ENT(EM_H8S, "Hitachi H8S"),
862 ENUM_ENT(EM_H8_500, "Hitachi H8/500"),
863 ENUM_ENT(EM_IA_64, "Intel IA-64"),
864 ENUM_ENT(EM_MIPS_X, "Stanford MIPS-X"),
865 ENUM_ENT(EM_COLDFIRE, "Motorola Coldfire"),
866 ENUM_ENT(EM_68HC12, "Motorola MC68HC12 Microcontroller"),
867 ENUM_ENT(EM_MMA, "Fujitsu Multimedia Accelerator"),
868 ENUM_ENT(EM_PCP, "Siemens PCP"),
869 ENUM_ENT(EM_NCPU, "Sony nCPU embedded RISC processor"),
870 ENUM_ENT(EM_NDR1, "Denso NDR1 microprocesspr"),
871 ENUM_ENT(EM_STARCORE, "Motorola Star*Core processor"),
872 ENUM_ENT(EM_ME16, "Toyota ME16 processor"),
873 ENUM_ENT(EM_ST100, "STMicroelectronics ST100 processor"),
874 ENUM_ENT(EM_TINYJ, "Advanced Logic Corp. TinyJ embedded processor"),
875 ENUM_ENT(EM_X86_64, "Advanced Micro Devices X86-64"),
876 ENUM_ENT(EM_PDSP, "Sony DSP processor"),
877 ENUM_ENT(EM_PDP10, "Digital Equipment Corp. PDP-10"),
878 ENUM_ENT(EM_PDP11, "Digital Equipment Corp. PDP-11"),
879 ENUM_ENT(EM_FX66, "Siemens FX66 microcontroller"),
880 ENUM_ENT(EM_ST9PLUS, "STMicroelectronics ST9+ 8/16 bit microcontroller"),
881 ENUM_ENT(EM_ST7, "STMicroelectronics ST7 8-bit microcontroller"),
882 ENUM_ENT(EM_68HC16, "Motorola MC68HC16 Microcontroller"),
883 ENUM_ENT(EM_68HC11, "Motorola MC68HC11 Microcontroller"),
884 ENUM_ENT(EM_68HC08, "Motorola MC68HC08 Microcontroller"),
885 ENUM_ENT(EM_68HC05, "Motorola MC68HC05 Microcontroller"),
886 ENUM_ENT(EM_SVX, "Silicon Graphics SVx"),
887 ENUM_ENT(EM_ST19, "STMicroelectronics ST19 8-bit microcontroller"),
888 ENUM_ENT(EM_VAX, "Digital VAX"),
889 ENUM_ENT(EM_CRIS, "Axis Communications 32-bit embedded processor"),
890 ENUM_ENT(EM_JAVELIN, "Infineon Technologies 32-bit embedded cpu"),
891 ENUM_ENT(EM_FIREPATH, "Element 14 64-bit DSP processor"),
892 ENUM_ENT(EM_ZSP, "LSI Logic's 16-bit DSP processor"),
893 ENUM_ENT(EM_MMIX, "Donald Knuth's educational 64-bit processor"),
894 ENUM_ENT(EM_HUANY, "Harvard Universitys's machine-independent object format"),
895 ENUM_ENT(EM_PRISM, "Vitesse Prism"),
896 ENUM_ENT(EM_AVR, "Atmel AVR 8-bit microcontroller"),
897 ENUM_ENT(EM_FR30, "Fujitsu FR30"),
898 ENUM_ENT(EM_D10V, "Mitsubishi D10V"),
899 ENUM_ENT(EM_D30V, "Mitsubishi D30V"),
900 ENUM_ENT(EM_V850, "NEC v850"),
901 ENUM_ENT(EM_M32R, "Renesas M32R (formerly Mitsubishi M32r)"),
902 ENUM_ENT(EM_MN10300, "Matsushita MN10300"),
903 ENUM_ENT(EM_MN10200, "Matsushita MN10200"),
904 ENUM_ENT(EM_PJ, "picoJava"),
905 ENUM_ENT(EM_OPENRISC, "OpenRISC 32-bit embedded processor"),
906 ENUM_ENT(EM_ARC_COMPACT, "EM_ARC_COMPACT"),
907 ENUM_ENT(EM_XTENSA, "Tensilica Xtensa Processor"),
908 ENUM_ENT(EM_VIDEOCORE, "Alphamosaic VideoCore processor"),
909 ENUM_ENT(EM_TMM_GPP, "Thompson Multimedia General Purpose Processor"),
910 ENUM_ENT(EM_NS32K, "National Semiconductor 32000 series"),
911 ENUM_ENT(EM_TPC, "Tenor Network TPC processor"),
912 ENUM_ENT(EM_SNP1K, "EM_SNP1K"),
913 ENUM_ENT(EM_ST200, "STMicroelectronics ST200 microcontroller"),
914 ENUM_ENT(EM_IP2K, "Ubicom IP2xxx 8-bit microcontrollers"),
915 ENUM_ENT(EM_MAX, "MAX Processor"),
916 ENUM_ENT(EM_CR, "National Semiconductor CompactRISC"),
917 ENUM_ENT(EM_F2MC16, "Fujitsu F2MC16"),
918 ENUM_ENT(EM_MSP430, "Texas Instruments msp430 microcontroller"),
919 ENUM_ENT(EM_BLACKFIN, "Analog Devices Blackfin"),
920 ENUM_ENT(EM_SE_C33, "S1C33 Family of Seiko Epson processors"),
921 ENUM_ENT(EM_SEP, "Sharp embedded microprocessor"),
922 ENUM_ENT(EM_ARCA, "Arca RISC microprocessor"),
923 ENUM_ENT(EM_UNICORE, "Unicore"),
924 ENUM_ENT(EM_EXCESS, "eXcess 16/32/64-bit configurable embedded CPU"),
925 ENUM_ENT(EM_DXP, "Icera Semiconductor Inc. Deep Execution Processor"),
926 ENUM_ENT(EM_ALTERA_NIOS2, "Altera Nios"),
927 ENUM_ENT(EM_CRX, "National Semiconductor CRX microprocessor"),
928 ENUM_ENT(EM_XGATE, "Motorola XGATE embedded processor"),
929 ENUM_ENT(EM_C166, "Infineon Technologies xc16x"),
930 ENUM_ENT(EM_M16C, "Renesas M16C"),
931 ENUM_ENT(EM_DSPIC30F, "Microchip Technology dsPIC30F Digital Signal Controller"),
932 ENUM_ENT(EM_CE, "Freescale Communication Engine RISC core"),
933 ENUM_ENT(EM_M32C, "Renesas M32C"),
934 ENUM_ENT(EM_TSK3000, "Altium TSK3000 core"),
935 ENUM_ENT(EM_RS08, "Freescale RS08 embedded processor"),
936 ENUM_ENT(EM_SHARC, "EM_SHARC"),
937 ENUM_ENT(EM_ECOG2, "Cyan Technology eCOG2 microprocessor"),
938 ENUM_ENT(EM_SCORE7, "SUNPLUS S+Core"),
939 ENUM_ENT(EM_DSP24, "New Japan Radio (NJR) 24-bit DSP Processor"),
940 ENUM_ENT(EM_VIDEOCORE3, "Broadcom VideoCore III processor"),
941 ENUM_ENT(EM_LATTICEMICO32, "Lattice Mico32"),
942 ENUM_ENT(EM_SE_C17, "Seiko Epson C17 family"),
943 ENUM_ENT(EM_TI_C6000, "Texas Instruments TMS320C6000 DSP family"),
944 ENUM_ENT(EM_TI_C2000, "Texas Instruments TMS320C2000 DSP family"),
945 ENUM_ENT(EM_TI_C5500, "Texas Instruments TMS320C55x DSP family"),
946 ENUM_ENT(EM_MMDSP_PLUS, "STMicroelectronics 64bit VLIW Data Signal Processor"),
947 ENUM_ENT(EM_CYPRESS_M8C, "Cypress M8C microprocessor"),
948 ENUM_ENT(EM_R32C, "Renesas R32C series microprocessors"),
949 ENUM_ENT(EM_TRIMEDIA, "NXP Semiconductors TriMedia architecture family"),
950 ENUM_ENT(EM_HEXAGON, "Qualcomm Hexagon"),
951 ENUM_ENT(EM_8051, "Intel 8051 and variants"),
952 ENUM_ENT(EM_STXP7X, "STMicroelectronics STxP7x family"),
953 ENUM_ENT(EM_NDS32, "Andes Technology compact code size embedded RISC processor family"),
954 ENUM_ENT(EM_ECOG1, "Cyan Technology eCOG1 microprocessor"),
955 ENUM_ENT(EM_ECOG1X, "Cyan Technology eCOG1X family"),
956 ENUM_ENT(EM_MAXQ30, "Dallas Semiconductor MAXQ30 Core microcontrollers"),
957 ENUM_ENT(EM_XIMO16, "New Japan Radio (NJR) 16-bit DSP Processor"),
958 ENUM_ENT(EM_MANIK, "M2000 Reconfigurable RISC Microprocessor"),
959 ENUM_ENT(EM_CRAYNV2, "Cray Inc. NV2 vector architecture"),
960 ENUM_ENT(EM_RX, "Renesas RX"),
961 ENUM_ENT(EM_METAG, "Imagination Technologies Meta processor architecture"),
962 ENUM_ENT(EM_MCST_ELBRUS, "MCST Elbrus general purpose hardware architecture"),
963 ENUM_ENT(EM_ECOG16, "Cyan Technology eCOG16 family"),
964 ENUM_ENT(EM_CR16, "Xilinx MicroBlaze"),
965 ENUM_ENT(EM_ETPU, "Freescale Extended Time Processing Unit"),
966 ENUM_ENT(EM_SLE9X, "Infineon Technologies SLE9X core"),
967 ENUM_ENT(EM_L10M, "EM_L10M"),
968 ENUM_ENT(EM_K10M, "EM_K10M"),
969 ENUM_ENT(EM_AARCH64, "AArch64"),
970 ENUM_ENT(EM_AVR32, "Atmel AVR 8-bit microcontroller"),
971 ENUM_ENT(EM_STM8, "STMicroeletronics STM8 8-bit microcontroller"),
972 ENUM_ENT(EM_TILE64, "Tilera TILE64 multicore architecture family"),
973 ENUM_ENT(EM_TILEPRO, "Tilera TILEPro multicore architecture family"),
974 ENUM_ENT(EM_CUDA, "NVIDIA CUDA architecture"),
975 ENUM_ENT(EM_TILEGX, "Tilera TILE-Gx multicore architecture family"),
976 ENUM_ENT(EM_CLOUDSHIELD, "EM_CLOUDSHIELD"),
977 ENUM_ENT(EM_COREA_1ST, "EM_COREA_1ST"),
978 ENUM_ENT(EM_COREA_2ND, "EM_COREA_2ND"),
979 ENUM_ENT(EM_ARC_COMPACT2, "EM_ARC_COMPACT2"),
980 ENUM_ENT(EM_OPEN8, "EM_OPEN8"),
981 ENUM_ENT(EM_RL78, "Renesas RL78"),
982 ENUM_ENT(EM_VIDEOCORE5, "Broadcom VideoCore V processor"),
983 ENUM_ENT(EM_78KOR, "EM_78KOR"),
984 ENUM_ENT(EM_56800EX, "EM_56800EX"),
985 ENUM_ENT(EM_AMDGPU, "EM_AMDGPU"),
986 ENUM_ENT(EM_RISCV, "RISC-V"),
987 ENUM_ENT(EM_WEBASSEMBLY, "EM_WEBASSEMBLY"),
988 ENUM_ENT(EM_LANAI, "EM_LANAI"),
989 ENUM_ENT(EM_BPF, "EM_BPF"),
992 static const EnumEntry<unsigned> ElfSymbolBindings[] = {
993 {"Local", "LOCAL", ELF::STB_LOCAL},
994 {"Global", "GLOBAL", ELF::STB_GLOBAL},
995 {"Weak", "WEAK", ELF::STB_WEAK},
996 {"Unique", "UNIQUE", ELF::STB_GNU_UNIQUE}};
998 static const EnumEntry<unsigned> ElfSymbolVisibilities[] = {
999 {"DEFAULT", "DEFAULT", ELF::STV_DEFAULT},
1000 {"INTERNAL", "INTERNAL", ELF::STV_INTERNAL},
1001 {"HIDDEN", "HIDDEN", ELF::STV_HIDDEN},
1002 {"PROTECTED", "PROTECTED", ELF::STV_PROTECTED}};
1004 static const EnumEntry<unsigned> ElfSymbolTypes[] = {
1005 {"None", "NOTYPE", ELF::STT_NOTYPE},
1006 {"Object", "OBJECT", ELF::STT_OBJECT},
1007 {"Function", "FUNC", ELF::STT_FUNC},
1008 {"Section", "SECTION", ELF::STT_SECTION},
1009 {"File", "FILE", ELF::STT_FILE},
1010 {"Common", "COMMON", ELF::STT_COMMON},
1011 {"TLS", "TLS", ELF::STT_TLS},
1012 {"GNU_IFunc", "IFUNC", ELF::STT_GNU_IFUNC}};
1014 static const EnumEntry<unsigned> AMDGPUSymbolTypes[] = {
1015 { "AMDGPU_HSA_KERNEL", ELF::STT_AMDGPU_HSA_KERNEL }
1018 static const char *getGroupType(uint32_t Flag) {
1019 if (Flag & ELF::GRP_COMDAT)
1025 static const EnumEntry<unsigned> ElfSectionFlags[] = {
1026 ENUM_ENT(SHF_WRITE, "W"),
1027 ENUM_ENT(SHF_ALLOC, "A"),
1028 ENUM_ENT(SHF_EXCLUDE, "E"),
1029 ENUM_ENT(SHF_EXECINSTR, "X"),
1030 ENUM_ENT(SHF_MERGE, "M"),
1031 ENUM_ENT(SHF_STRINGS, "S"),
1032 ENUM_ENT(SHF_INFO_LINK, "I"),
1033 ENUM_ENT(SHF_LINK_ORDER, "L"),
1034 ENUM_ENT(SHF_OS_NONCONFORMING, "o"),
1035 ENUM_ENT(SHF_GROUP, "G"),
1036 ENUM_ENT(SHF_TLS, "T"),
1037 ENUM_ENT(SHF_MASKOS, "o"),
1038 ENUM_ENT(SHF_MASKPROC, "p"),
1039 ENUM_ENT_1(SHF_COMPRESSED),
1042 static const EnumEntry<unsigned> ElfXCoreSectionFlags[] = {
1043 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
1044 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION)
1047 static const EnumEntry<unsigned> ElfARMSectionFlags[] = {
1048 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ARM_PURECODE)
1051 static const EnumEntry<unsigned> ElfHexagonSectionFlags[] = {
1052 LLVM_READOBJ_ENUM_ENT(ELF, SHF_HEX_GPREL)
1055 static const EnumEntry<unsigned> ElfMipsSectionFlags[] = {
1056 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NODUPES),
1057 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NAMES ),
1058 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_LOCAL ),
1059 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP),
1060 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_GPREL ),
1061 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_MERGE ),
1062 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_ADDR ),
1063 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_STRING )
1066 static const EnumEntry<unsigned> ElfX86_64SectionFlags[] = {
1067 LLVM_READOBJ_ENUM_ENT(ELF, SHF_X86_64_LARGE)
1070 static std::string getGNUFlags(uint64_t Flags) {
1072 for (auto Entry : ElfSectionFlags) {
1073 uint64_t Flag = Entry.Value & Flags;
1074 Flags &= ~Entry.Value;
1076 case ELF::SHF_WRITE:
1077 case ELF::SHF_ALLOC:
1078 case ELF::SHF_EXECINSTR:
1079 case ELF::SHF_MERGE:
1080 case ELF::SHF_STRINGS:
1081 case ELF::SHF_INFO_LINK:
1082 case ELF::SHF_LINK_ORDER:
1083 case ELF::SHF_OS_NONCONFORMING:
1084 case ELF::SHF_GROUP:
1086 case ELF::SHF_EXCLUDE:
1087 Str += Entry.AltName;
1090 if (Flag & ELF::SHF_MASKOS)
1092 else if (Flag & ELF::SHF_MASKPROC)
1101 static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
1102 // Check potentially overlapped processor-specific
1103 // program header type.
1107 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
1110 case ELF::EM_MIPS_RS3_LE:
1112 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
1113 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
1114 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
1115 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
1120 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
1121 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
1122 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
1123 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
1124 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
1125 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
1126 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
1127 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
1129 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
1130 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
1132 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
1133 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
1135 LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_RANDOMIZE);
1136 LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_WXNEEDED);
1137 LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_BOOTDATA);
1143 static std::string getElfPtType(unsigned Arch, unsigned Type) {
1145 LLVM_READOBJ_PHDR_ENUM(ELF, PT_NULL)
1146 LLVM_READOBJ_PHDR_ENUM(ELF, PT_LOAD)
1147 LLVM_READOBJ_PHDR_ENUM(ELF, PT_DYNAMIC)
1148 LLVM_READOBJ_PHDR_ENUM(ELF, PT_INTERP)
1149 LLVM_READOBJ_PHDR_ENUM(ELF, PT_NOTE)
1150 LLVM_READOBJ_PHDR_ENUM(ELF, PT_SHLIB)
1151 LLVM_READOBJ_PHDR_ENUM(ELF, PT_PHDR)
1152 LLVM_READOBJ_PHDR_ENUM(ELF, PT_TLS)
1153 LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_EH_FRAME)
1154 LLVM_READOBJ_PHDR_ENUM(ELF, PT_SUNW_UNWIND)
1155 LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_STACK)
1156 LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_RELRO)
1158 // All machine specific PT_* types
1161 if (Type == ELF::PT_ARM_EXIDX)
1165 case ELF::EM_MIPS_RS3_LE:
1167 case PT_MIPS_REGINFO:
1169 case PT_MIPS_RTPROC:
1171 case PT_MIPS_OPTIONS:
1173 case PT_MIPS_ABIFLAGS:
1179 return std::string("<unknown>: ") + to_string(format_hex(Type, 1));
1182 static const EnumEntry<unsigned> ElfSegmentFlags[] = {
1183 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
1184 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
1185 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
1188 static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
1189 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NOREORDER),
1190 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_PIC),
1191 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
1192 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
1193 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
1194 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_FP64),
1195 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
1196 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
1197 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O64),
1198 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI32),
1199 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI64),
1200 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_3900),
1201 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4010),
1202 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4100),
1203 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4650),
1204 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4120),
1205 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4111),
1206 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_SB1),
1207 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON),
1208 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_XLR),
1209 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON2),
1210 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON3),
1211 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5400),
1212 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5900),
1213 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5500),
1214 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_9000),
1215 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2E),
1216 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2F),
1217 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS3A),
1218 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
1219 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
1220 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_MDMX),
1221 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
1222 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
1223 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
1224 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_4),
1225 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_5),
1226 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32),
1227 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64),
1228 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R2),
1229 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R2),
1230 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R6),
1231 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R6)
1234 static const EnumEntry<unsigned> ElfSymOtherFlags[] = {
1235 LLVM_READOBJ_ENUM_ENT(ELF, STV_INTERNAL),
1236 LLVM_READOBJ_ENUM_ENT(ELF, STV_HIDDEN),
1237 LLVM_READOBJ_ENUM_ENT(ELF, STV_PROTECTED)
1240 static const EnumEntry<unsigned> ElfMipsSymOtherFlags[] = {
1241 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL),
1242 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT),
1243 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PIC),
1244 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MICROMIPS)
1247 static const EnumEntry<unsigned> ElfMips16SymOtherFlags[] = {
1248 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL),
1249 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT),
1250 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MIPS16)
1253 static const char *getElfMipsOptionsOdkType(unsigned Odk) {
1255 LLVM_READOBJ_ENUM_CASE(ELF, ODK_NULL);
1256 LLVM_READOBJ_ENUM_CASE(ELF, ODK_REGINFO);
1257 LLVM_READOBJ_ENUM_CASE(ELF, ODK_EXCEPTIONS);
1258 LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAD);
1259 LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWPATCH);
1260 LLVM_READOBJ_ENUM_CASE(ELF, ODK_FILL);
1261 LLVM_READOBJ_ENUM_CASE(ELF, ODK_TAGS);
1262 LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWAND);
1263 LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWOR);
1264 LLVM_READOBJ_ENUM_CASE(ELF, ODK_GP_GROUP);
1265 LLVM_READOBJ_ENUM_CASE(ELF, ODK_IDENT);
1266 LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAGESIZE);
1272 template <typename ELFT>
1273 ELFDumper<ELFT>::ELFDumper(const ELFFile<ELFT> *Obj, ScopedPrinter &Writer)
1274 : ObjDumper(Writer), Obj(Obj) {
1275 SmallVector<const Elf_Phdr *, 4> LoadSegments;
1276 for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
1277 if (Phdr.p_type == ELF::PT_DYNAMIC) {
1278 DynamicTable = createDRIFrom(&Phdr, sizeof(Elf_Dyn));
1281 if (Phdr.p_type != ELF::PT_LOAD || Phdr.p_filesz == 0)
1283 LoadSegments.push_back(&Phdr);
1286 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
1287 switch (Sec.sh_type) {
1288 case ELF::SHT_SYMTAB:
1289 if (DotSymtabSec != nullptr)
1290 reportError("Multilpe SHT_SYMTAB");
1291 DotSymtabSec = &Sec;
1293 case ELF::SHT_DYNSYM:
1294 if (DynSymRegion.Size)
1295 reportError("Multilpe SHT_DYNSYM");
1296 DynSymRegion = createDRIFrom(&Sec);
1297 // This is only used (if Elf_Shdr present)for naming section in GNU style
1298 DynSymtabName = unwrapOrError(Obj->getSectionName(&Sec));
1300 case ELF::SHT_SYMTAB_SHNDX:
1301 ShndxTable = unwrapOrError(Obj->getSHNDXTable(Sec));
1303 case ELF::SHT_GNU_versym:
1304 if (dot_gnu_version_sec != nullptr)
1305 reportError("Multiple SHT_GNU_versym");
1306 dot_gnu_version_sec = &Sec;
1308 case ELF::SHT_GNU_verdef:
1309 if (dot_gnu_version_d_sec != nullptr)
1310 reportError("Multiple SHT_GNU_verdef");
1311 dot_gnu_version_d_sec = &Sec;
1313 case ELF::SHT_GNU_verneed:
1314 if (dot_gnu_version_r_sec != nullptr)
1315 reportError("Multilpe SHT_GNU_verneed");
1316 dot_gnu_version_r_sec = &Sec;
1321 parseDynamicTable(LoadSegments);
1323 if (opts::Output == opts::GNU)
1324 ELFDumperStyle.reset(new GNUStyle<ELFT>(Writer, this));
1326 ELFDumperStyle.reset(new LLVMStyle<ELFT>(Writer, this));
1329 template <typename ELFT>
1330 void ELFDumper<ELFT>::parseDynamicTable(
1331 ArrayRef<const Elf_Phdr *> LoadSegments) {
1332 auto toMappedAddr = [&](uint64_t VAddr) -> const uint8_t * {
1333 const Elf_Phdr *const *I = std::upper_bound(
1334 LoadSegments.begin(), LoadSegments.end(), VAddr, compareAddr<ELFT>);
1335 if (I == LoadSegments.begin())
1336 report_fatal_error("Virtual address is not in any segment");
1338 const Elf_Phdr &Phdr = **I;
1339 uint64_t Delta = VAddr - Phdr.p_vaddr;
1340 if (Delta >= Phdr.p_filesz)
1341 report_fatal_error("Virtual address is not in any segment");
1342 return Obj->base() + Phdr.p_offset + Delta;
1345 uint64_t SONameOffset = 0;
1346 const char *StringTableBegin = nullptr;
1347 uint64_t StringTableSize = 0;
1348 for (const Elf_Dyn &Dyn : dynamic_table()) {
1349 switch (Dyn.d_tag) {
1352 reinterpret_cast<const Elf_Hash *>(toMappedAddr(Dyn.getPtr()));
1354 case ELF::DT_GNU_HASH:
1356 reinterpret_cast<const Elf_GnuHash *>(toMappedAddr(Dyn.getPtr()));
1358 case ELF::DT_STRTAB:
1359 StringTableBegin = (const char *)toMappedAddr(Dyn.getPtr());
1362 StringTableSize = Dyn.getVal();
1364 case ELF::DT_SYMTAB:
1365 DynSymRegion.Addr = toMappedAddr(Dyn.getPtr());
1366 DynSymRegion.EntSize = sizeof(Elf_Sym);
1369 DynRelaRegion.Addr = toMappedAddr(Dyn.getPtr());
1371 case ELF::DT_RELASZ:
1372 DynRelaRegion.Size = Dyn.getVal();
1374 case ELF::DT_RELAENT:
1375 DynRelaRegion.EntSize = Dyn.getVal();
1377 case ELF::DT_SONAME:
1378 SONameOffset = Dyn.getVal();
1381 DynRelRegion.Addr = toMappedAddr(Dyn.getPtr());
1384 DynRelRegion.Size = Dyn.getVal();
1386 case ELF::DT_RELENT:
1387 DynRelRegion.EntSize = Dyn.getVal();
1389 case ELF::DT_PLTREL:
1390 if (Dyn.getVal() == DT_REL)
1391 DynPLTRelRegion.EntSize = sizeof(Elf_Rel);
1392 else if (Dyn.getVal() == DT_RELA)
1393 DynPLTRelRegion.EntSize = sizeof(Elf_Rela);
1395 reportError(Twine("unknown DT_PLTREL value of ") +
1396 Twine((uint64_t)Dyn.getVal()));
1398 case ELF::DT_JMPREL:
1399 DynPLTRelRegion.Addr = toMappedAddr(Dyn.getPtr());
1401 case ELF::DT_PLTRELSZ:
1402 DynPLTRelRegion.Size = Dyn.getVal();
1406 if (StringTableBegin)
1407 DynamicStringTable = StringRef(StringTableBegin, StringTableSize);
1409 SOName = getDynamicString(SONameOffset);
1412 template <typename ELFT>
1413 typename ELFDumper<ELFT>::Elf_Rel_Range ELFDumper<ELFT>::dyn_rels() const {
1414 return DynRelRegion.getAsArrayRef<Elf_Rel>();
1417 template <typename ELFT>
1418 typename ELFDumper<ELFT>::Elf_Rela_Range ELFDumper<ELFT>::dyn_relas() const {
1419 return DynRelaRegion.getAsArrayRef<Elf_Rela>();
1422 template<class ELFT>
1423 void ELFDumper<ELFT>::printFileHeaders() {
1424 ELFDumperStyle->printFileHeaders(Obj);
1427 template<class ELFT>
1428 void ELFDumper<ELFT>::printSections() {
1429 ELFDumperStyle->printSections(Obj);
1432 template<class ELFT>
1433 void ELFDumper<ELFT>::printRelocations() {
1434 ELFDumperStyle->printRelocations(Obj);
1437 template <class ELFT> void ELFDumper<ELFT>::printProgramHeaders() {
1438 ELFDumperStyle->printProgramHeaders(Obj);
1441 template <class ELFT> void ELFDumper<ELFT>::printDynamicRelocations() {
1442 ELFDumperStyle->printDynamicRelocations(Obj);
1445 template<class ELFT>
1446 void ELFDumper<ELFT>::printSymbols() {
1447 ELFDumperStyle->printSymbols(Obj);
1450 template<class ELFT>
1451 void ELFDumper<ELFT>::printDynamicSymbols() {
1452 ELFDumperStyle->printDynamicSymbols(Obj);
1455 template <class ELFT> void ELFDumper<ELFT>::printHashHistogram() {
1456 ELFDumperStyle->printHashHistogram(Obj);
1459 template <class ELFT> void ELFDumper<ELFT>::printNotes() {
1460 ELFDumperStyle->printNotes(Obj);
1463 #define LLVM_READOBJ_TYPE_CASE(name) \
1464 case DT_##name: return #name
1466 static const char *getTypeString(unsigned Arch, uint64_t Type) {
1470 LLVM_READOBJ_TYPE_CASE(HEXAGON_SYMSZ);
1471 LLVM_READOBJ_TYPE_CASE(HEXAGON_VER);
1472 LLVM_READOBJ_TYPE_CASE(HEXAGON_PLT);
1476 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP_REL);
1477 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
1478 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
1479 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
1480 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
1481 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
1482 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
1483 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
1484 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
1485 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
1486 LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
1490 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
1491 LLVM_READOBJ_TYPE_CASE(DEBUG);
1492 LLVM_READOBJ_TYPE_CASE(FINI);
1493 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
1494 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
1495 LLVM_READOBJ_TYPE_CASE(FLAGS);
1496 LLVM_READOBJ_TYPE_CASE(FLAGS_1);
1497 LLVM_READOBJ_TYPE_CASE(HASH);
1498 LLVM_READOBJ_TYPE_CASE(INIT);
1499 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
1500 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
1501 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
1502 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
1503 LLVM_READOBJ_TYPE_CASE(JMPREL);
1504 LLVM_READOBJ_TYPE_CASE(NEEDED);
1505 LLVM_READOBJ_TYPE_CASE(NULL);
1506 LLVM_READOBJ_TYPE_CASE(PLTGOT);
1507 LLVM_READOBJ_TYPE_CASE(PLTREL);
1508 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
1509 LLVM_READOBJ_TYPE_CASE(REL);
1510 LLVM_READOBJ_TYPE_CASE(RELA);
1511 LLVM_READOBJ_TYPE_CASE(RELENT);
1512 LLVM_READOBJ_TYPE_CASE(RELSZ);
1513 LLVM_READOBJ_TYPE_CASE(RELAENT);
1514 LLVM_READOBJ_TYPE_CASE(RELASZ);
1515 LLVM_READOBJ_TYPE_CASE(RPATH);
1516 LLVM_READOBJ_TYPE_CASE(RUNPATH);
1517 LLVM_READOBJ_TYPE_CASE(SONAME);
1518 LLVM_READOBJ_TYPE_CASE(STRSZ);
1519 LLVM_READOBJ_TYPE_CASE(STRTAB);
1520 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
1521 LLVM_READOBJ_TYPE_CASE(SYMENT);
1522 LLVM_READOBJ_TYPE_CASE(SYMTAB);
1523 LLVM_READOBJ_TYPE_CASE(TEXTREL);
1524 LLVM_READOBJ_TYPE_CASE(VERDEF);
1525 LLVM_READOBJ_TYPE_CASE(VERDEFNUM);
1526 LLVM_READOBJ_TYPE_CASE(VERNEED);
1527 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
1528 LLVM_READOBJ_TYPE_CASE(VERSYM);
1529 LLVM_READOBJ_TYPE_CASE(RELACOUNT);
1530 LLVM_READOBJ_TYPE_CASE(RELCOUNT);
1531 LLVM_READOBJ_TYPE_CASE(GNU_HASH);
1532 LLVM_READOBJ_TYPE_CASE(TLSDESC_PLT);
1533 LLVM_READOBJ_TYPE_CASE(TLSDESC_GOT);
1534 LLVM_READOBJ_TYPE_CASE(AUXILIARY);
1535 default: return "unknown";
1539 #undef LLVM_READOBJ_TYPE_CASE
1541 #define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
1542 { #enum, prefix##_##enum }
1544 static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
1545 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
1546 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
1547 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
1548 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
1549 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
1552 static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
1553 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
1554 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
1555 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
1556 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
1557 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
1558 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
1559 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
1560 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
1561 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
1562 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
1563 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
1564 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
1565 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
1566 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
1567 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
1568 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
1569 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
1570 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
1571 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
1572 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
1573 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
1574 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
1575 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
1576 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
1577 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
1580 static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
1581 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
1582 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
1583 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
1584 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
1585 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
1586 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
1587 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
1588 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
1589 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
1590 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
1591 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
1592 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
1593 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
1594 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
1595 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
1596 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
1599 #undef LLVM_READOBJ_DT_FLAG_ENT
1601 template <typename T, typename TFlag>
1602 void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
1603 using FlagEntry = EnumEntry<TFlag>;
1604 using FlagVector = SmallVector<FlagEntry, 10>;
1605 FlagVector SetFlags;
1607 for (const auto &Flag : Flags) {
1608 if (Flag.Value == 0)
1611 if ((Value & Flag.Value) == Flag.Value)
1612 SetFlags.push_back(Flag);
1615 for (const auto &Flag : SetFlags) {
1616 OS << Flag.Name << " ";
1620 template <class ELFT>
1621 StringRef ELFDumper<ELFT>::getDynamicString(uint64_t Value) const {
1622 if (Value >= DynamicStringTable.size())
1623 reportError("Invalid dynamic string table reference");
1624 return StringRef(DynamicStringTable.data() + Value);
1627 template <class ELFT>
1628 void ELFDumper<ELFT>::printValue(uint64_t Type, uint64_t Value) {
1629 raw_ostream &OS = W.getOStream();
1630 const char* ConvChar = (opts::Output == opts::GNU) ? "0x%" PRIx64 : "0x%" PRIX64;
1633 if (Value == DT_REL) {
1636 } else if (Value == DT_RELA) {
1652 case DT_PREINIT_ARRAY:
1659 case DT_MIPS_BASE_ADDRESS:
1660 case DT_MIPS_GOTSYM:
1661 case DT_MIPS_RLD_MAP:
1662 case DT_MIPS_RLD_MAP_REL:
1663 case DT_MIPS_PLTGOT:
1664 case DT_MIPS_OPTIONS:
1665 OS << format(ConvChar, Value);
1671 case DT_MIPS_RLD_VERSION:
1672 case DT_MIPS_LOCAL_GOTNO:
1673 case DT_MIPS_SYMTABNO:
1674 case DT_MIPS_UNREFEXTNO:
1684 case DT_INIT_ARRAYSZ:
1685 case DT_FINI_ARRAYSZ:
1686 case DT_PREINIT_ARRAYSZ:
1687 OS << Value << " (bytes)";
1690 OS << "SharedLibrary (" << getDynamicString(Value) << ")";
1693 OS << "LibrarySoname (" << getDynamicString(Value) << ")";
1696 OS << "Auxiliary library: [" << getDynamicString(Value) << "]";
1700 OS << getDynamicString(Value);
1703 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
1706 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
1709 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
1712 OS << format(ConvChar, Value);
1717 template<class ELFT>
1718 void ELFDumper<ELFT>::printUnwindInfo() {
1719 W.startLine() << "UnwindInfo not implemented.\n";
1724 template <> void ELFDumper<ELFType<support::little, false>>::printUnwindInfo() {
1725 const unsigned Machine = Obj->getHeader()->e_machine;
1726 if (Machine == EM_ARM) {
1727 ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(
1728 W, Obj, DotSymtabSec);
1729 return Ctx.PrintUnwindInformation();
1731 W.startLine() << "UnwindInfo not implemented.\n";
1734 } // end anonymous namespace
1736 template<class ELFT>
1737 void ELFDumper<ELFT>::printDynamicTable() {
1738 auto I = dynamic_table().begin();
1739 auto E = dynamic_table().end();
1745 while (I != E && E->getTag() == ELF::DT_NULL)
1747 if (E->getTag() != ELF::DT_NULL)
1751 ptrdiff_t Total = std::distance(I, E);
1755 raw_ostream &OS = W.getOStream();
1756 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1758 bool Is64 = ELFT::Is64Bits;
1761 << " Tag" << (Is64 ? " " : " ") << "Type"
1762 << " " << "Name/Value\n";
1764 const Elf_Dyn &Entry = *I;
1765 uintX_t Tag = Entry.getTag();
1767 W.startLine() << " " << format_hex(Tag, Is64 ? 18 : 10, opts::Output != opts::GNU) << " "
1768 << format("%-21s", getTypeString(Obj->getHeader()->e_machine, Tag));
1769 printValue(Tag, Entry.getVal());
1773 W.startLine() << "]\n";
1776 template<class ELFT>
1777 void ELFDumper<ELFT>::printNeededLibraries() {
1778 ListScope D(W, "NeededLibraries");
1780 using LibsTy = std::vector<StringRef>;
1783 for (const auto &Entry : dynamic_table())
1784 if (Entry.d_tag == ELF::DT_NEEDED)
1785 Libs.push_back(getDynamicString(Entry.d_un.d_val));
1787 std::stable_sort(Libs.begin(), Libs.end());
1789 for (const auto &L : Libs) {
1790 outs() << " " << L << "\n";
1795 template <typename ELFT>
1796 void ELFDumper<ELFT>::printHashTable() {
1797 DictScope D(W, "HashTable");
1800 W.printNumber("Num Buckets", HashTable->nbucket);
1801 W.printNumber("Num Chains", HashTable->nchain);
1802 W.printList("Buckets", HashTable->buckets());
1803 W.printList("Chains", HashTable->chains());
1806 template <typename ELFT>
1807 void ELFDumper<ELFT>::printGnuHashTable() {
1808 DictScope D(W, "GnuHashTable");
1811 W.printNumber("Num Buckets", GnuHashTable->nbuckets);
1812 W.printNumber("First Hashed Symbol Index", GnuHashTable->symndx);
1813 W.printNumber("Num Mask Words", GnuHashTable->maskwords);
1814 W.printNumber("Shift Count", GnuHashTable->shift2);
1815 W.printHexList("Bloom Filter", GnuHashTable->filter());
1816 W.printList("Buckets", GnuHashTable->buckets());
1817 Elf_Sym_Range Syms = dynamic_symbols();
1818 unsigned NumSyms = std::distance(Syms.begin(), Syms.end());
1820 reportError("No dynamic symbol section");
1821 W.printHexList("Values", GnuHashTable->values(NumSyms));
1824 template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
1825 outs() << "LoadName: " << SOName << '\n';
1828 template <class ELFT>
1829 void ELFDumper<ELFT>::printAttributes() {
1830 W.startLine() << "Attributes not implemented.\n";
1835 template <> void ELFDumper<ELFType<support::little, false>>::printAttributes() {
1836 if (Obj->getHeader()->e_machine != EM_ARM) {
1837 W.startLine() << "Attributes not implemented.\n";
1841 DictScope BA(W, "BuildAttributes");
1842 for (const ELFO::Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
1843 if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
1846 ArrayRef<uint8_t> Contents = unwrapOrError(Obj->getSectionContents(&Sec));
1847 if (Contents[0] != ARMBuildAttrs::Format_Version) {
1848 errs() << "unrecognised FormatVersion: 0x" << utohexstr(Contents[0])
1853 W.printHex("FormatVersion", Contents[0]);
1854 if (Contents.size() == 1)
1857 ARMAttributeParser(&W).Parse(Contents, true);
1861 template <class ELFT> class MipsGOTParser {
1863 TYPEDEF_ELF_TYPES(ELFT)
1864 using GOTEntry = typename ELFO::Elf_Addr;
1866 MipsGOTParser(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
1867 Elf_Dyn_Range DynTable, ScopedPrinter &W);
1873 ELFDumper<ELFT> *Dumper;
1876 Optional<uint64_t> DtPltGot;
1877 Optional<uint64_t> DtLocalGotNum;
1878 Optional<uint64_t> DtGotSym;
1879 Optional<uint64_t> DtMipsPltGot;
1880 Optional<uint64_t> DtJmpRel;
1882 std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
1883 const GOTEntry *makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
1885 void printGotEntry(uint64_t GotAddr, const GOTEntry *BeginIt,
1886 const GOTEntry *It);
1887 void printGlobalGotEntry(uint64_t GotAddr, const GOTEntry *BeginIt,
1888 const GOTEntry *It, const Elf_Sym *Sym,
1889 StringRef StrTable, bool IsDynamic);
1890 void printPLTEntry(uint64_t PLTAddr, const GOTEntry *BeginIt,
1891 const GOTEntry *It, StringRef Purpose);
1892 void printPLTEntry(uint64_t PLTAddr, const GOTEntry *BeginIt,
1893 const GOTEntry *It, StringRef StrTable,
1894 const Elf_Sym *Sym);
1897 } // end anonymous namespace
1899 template <class ELFT>
1900 MipsGOTParser<ELFT>::MipsGOTParser(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
1901 Elf_Dyn_Range DynTable, ScopedPrinter &W)
1902 : Dumper(Dumper), Obj(Obj), W(W) {
1903 for (const auto &Entry : DynTable) {
1904 switch (Entry.getTag()) {
1905 case ELF::DT_PLTGOT:
1906 DtPltGot = Entry.getVal();
1908 case ELF::DT_MIPS_LOCAL_GOTNO:
1909 DtLocalGotNum = Entry.getVal();
1911 case ELF::DT_MIPS_GOTSYM:
1912 DtGotSym = Entry.getVal();
1914 case ELF::DT_MIPS_PLTGOT:
1915 DtMipsPltGot = Entry.getVal();
1917 case ELF::DT_JMPREL:
1918 DtJmpRel = Entry.getVal();
1924 template <class ELFT> void MipsGOTParser<ELFT>::parseGOT() {
1925 // See "Global Offset Table" in Chapter 5 in the following document
1926 // for detailed GOT description.
1927 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
1929 W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
1932 if (!DtLocalGotNum) {
1933 W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
1937 W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
1941 StringRef StrTable = Dumper->getDynamicStringTable();
1942 const Elf_Sym *DynSymBegin = Dumper->dynamic_symbols().begin();
1943 const Elf_Sym *DynSymEnd = Dumper->dynamic_symbols().end();
1944 std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
1946 if (*DtGotSym > DynSymTotal)
1947 report_fatal_error("MIPS_GOTSYM exceeds a number of dynamic symbols");
1949 std::size_t GlobalGotNum = DynSymTotal - *DtGotSym;
1951 if (*DtLocalGotNum + GlobalGotNum == 0) {
1952 W.startLine() << "GOT is empty.\n";
1956 const Elf_Shdr *GOTShdr = findNotEmptySectionByAddress(Obj, *DtPltGot);
1958 report_fatal_error("There is no not empty GOT section at 0x" +
1959 Twine::utohexstr(*DtPltGot));
1961 ArrayRef<uint8_t> GOT = unwrapOrError(Obj->getSectionContents(GOTShdr));
1963 if (*DtLocalGotNum + GlobalGotNum > getGOTTotal(GOT))
1964 report_fatal_error("Number of GOT entries exceeds the size of GOT section");
1966 const GOTEntry *GotBegin = makeGOTIter(GOT, 0);
1967 const GOTEntry *GotLocalEnd = makeGOTIter(GOT, *DtLocalGotNum);
1968 const GOTEntry *It = GotBegin;
1970 DictScope GS(W, "Primary GOT");
1972 W.printHex("Canonical gp value", GOTShdr->sh_addr + 0x7ff0);
1974 ListScope RS(W, "Reserved entries");
1977 DictScope D(W, "Entry");
1978 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
1979 W.printString("Purpose", StringRef("Lazy resolver"));
1982 if (It != GotLocalEnd && (*It >> (sizeof(GOTEntry) * 8 - 1)) != 0) {
1983 DictScope D(W, "Entry");
1984 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
1985 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
1989 ListScope LS(W, "Local entries");
1990 for (; It != GotLocalEnd; ++It) {
1991 DictScope D(W, "Entry");
1992 printGotEntry(GOTShdr->sh_addr, GotBegin, It);
1996 ListScope GS(W, "Global entries");
1998 const GOTEntry *GotGlobalEnd =
1999 makeGOTIter(GOT, *DtLocalGotNum + GlobalGotNum);
2000 const Elf_Sym *GotDynSym = DynSymBegin + *DtGotSym;
2001 for (; It != GotGlobalEnd; ++It) {
2002 DictScope D(W, "Entry");
2003 printGlobalGotEntry(GOTShdr->sh_addr, GotBegin, It, GotDynSym++, StrTable,
2008 std::size_t SpecGotNum = getGOTTotal(GOT) - *DtLocalGotNum - GlobalGotNum;
2009 W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
2012 template <class ELFT> void MipsGOTParser<ELFT>::parsePLT() {
2013 if (!DtMipsPltGot) {
2014 W.startLine() << "Cannot find MIPS_PLTGOT dynamic table tag.\n";
2018 W.startLine() << "Cannot find JMPREL dynamic table tag.\n";
2022 const Elf_Shdr *PLTShdr = findNotEmptySectionByAddress(Obj, *DtMipsPltGot);
2024 report_fatal_error("There is no not empty PLTGOT section at 0x " +
2025 Twine::utohexstr(*DtMipsPltGot));
2026 ArrayRef<uint8_t> PLT = unwrapOrError(Obj->getSectionContents(PLTShdr));
2028 const Elf_Shdr *PLTRelShdr = findNotEmptySectionByAddress(Obj, *DtJmpRel);
2030 report_fatal_error("There is no not empty RELPLT section at 0x" +
2031 Twine::utohexstr(*DtJmpRel));
2032 const Elf_Shdr *SymTable =
2033 unwrapOrError(Obj->getSection(PLTRelShdr->sh_link));
2034 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTable));
2036 const GOTEntry *PLTBegin = makeGOTIter(PLT, 0);
2037 const GOTEntry *PLTEnd = makeGOTIter(PLT, getGOTTotal(PLT));
2038 const GOTEntry *It = PLTBegin;
2040 DictScope GS(W, "PLT GOT");
2042 ListScope RS(W, "Reserved entries");
2043 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "PLT lazy resolver");
2045 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "Module pointer");
2048 ListScope GS(W, "Entries");
2050 switch (PLTRelShdr->sh_type) {
2052 for (const Elf_Rel &Rel : unwrapOrError(Obj->rels(PLTRelShdr))) {
2053 const Elf_Sym *Sym =
2054 unwrapOrError(Obj->getRelocationSymbol(&Rel, SymTable));
2055 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, StrTable, Sym);
2061 for (const Elf_Rela &Rel : unwrapOrError(Obj->relas(PLTRelShdr))) {
2062 const Elf_Sym *Sym =
2063 unwrapOrError(Obj->getRelocationSymbol(&Rel, SymTable));
2064 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, StrTable, Sym);
2073 template <class ELFT>
2074 std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
2075 return GOT.size() / sizeof(GOTEntry);
2078 template <class ELFT>
2079 const typename MipsGOTParser<ELFT>::GOTEntry *
2080 MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
2081 const char *Data = reinterpret_cast<const char *>(GOT.data());
2082 return reinterpret_cast<const GOTEntry *>(Data + EntryNum * sizeof(GOTEntry));
2085 template <class ELFT>
2086 void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr,
2087 const GOTEntry *BeginIt,
2088 const GOTEntry *It) {
2089 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
2090 W.printHex("Address", GotAddr + Offset);
2091 W.printNumber("Access", Offset - 0x7ff0);
2092 W.printHex("Initial", *It);
2095 template <class ELFT>
2096 void MipsGOTParser<ELFT>::printGlobalGotEntry(
2097 uint64_t GotAddr, const GOTEntry *BeginIt, const GOTEntry *It,
2098 const Elf_Sym *Sym, StringRef StrTable, bool IsDynamic) {
2099 printGotEntry(GotAddr, BeginIt, It);
2101 W.printHex("Value", Sym->st_value);
2102 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
2104 unsigned SectionIndex = 0;
2105 StringRef SectionName;
2106 getSectionNameIndex(*Obj, Sym, Dumper->dynamic_symbols().begin(),
2107 Dumper->getShndxTable(), SectionName, SectionIndex);
2108 W.printHex("Section", SectionName, SectionIndex);
2110 std::string FullSymbolName =
2111 Dumper->getFullSymbolName(Sym, StrTable, IsDynamic);
2112 W.printNumber("Name", FullSymbolName, Sym->st_name);
2115 template <class ELFT>
2116 void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr,
2117 const GOTEntry *BeginIt,
2118 const GOTEntry *It, StringRef Purpose) {
2119 DictScope D(W, "Entry");
2120 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
2121 W.printHex("Address", PLTAddr + Offset);
2122 W.printHex("Initial", *It);
2123 W.printString("Purpose", Purpose);
2126 template <class ELFT>
2127 void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr,
2128 const GOTEntry *BeginIt,
2129 const GOTEntry *It, StringRef StrTable,
2130 const Elf_Sym *Sym) {
2131 DictScope D(W, "Entry");
2132 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
2133 W.printHex("Address", PLTAddr + Offset);
2134 W.printHex("Initial", *It);
2135 W.printHex("Value", Sym->st_value);
2136 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
2138 unsigned SectionIndex = 0;
2139 StringRef SectionName;
2140 getSectionNameIndex(*Obj, Sym, Dumper->dynamic_symbols().begin(),
2141 Dumper->getShndxTable(), SectionName, SectionIndex);
2142 W.printHex("Section", SectionName, SectionIndex);
2144 std::string FullSymbolName = Dumper->getFullSymbolName(Sym, StrTable, true);
2145 W.printNumber("Name", FullSymbolName, Sym->st_name);
2148 template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
2149 if (Obj->getHeader()->e_machine != EM_MIPS) {
2150 W.startLine() << "MIPS PLT GOT is available for MIPS targets only.\n";
2154 MipsGOTParser<ELFT> GOTParser(this, Obj, dynamic_table(), W);
2155 GOTParser.parseGOT();
2156 GOTParser.parsePLT();
2159 static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
2160 {"None", Mips::AFL_EXT_NONE},
2161 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
2162 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
2163 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
2164 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
2165 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
2166 {"LSI R4010", Mips::AFL_EXT_4010},
2167 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
2168 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
2169 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
2170 {"MIPS R4650", Mips::AFL_EXT_4650},
2171 {"MIPS R5900", Mips::AFL_EXT_5900},
2172 {"MIPS R10000", Mips::AFL_EXT_10000},
2173 {"NEC VR4100", Mips::AFL_EXT_4100},
2174 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
2175 {"NEC VR4120", Mips::AFL_EXT_4120},
2176 {"NEC VR5400", Mips::AFL_EXT_5400},
2177 {"NEC VR5500", Mips::AFL_EXT_5500},
2178 {"RMI Xlr", Mips::AFL_EXT_XLR},
2179 {"Toshiba R3900", Mips::AFL_EXT_3900}
2182 static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
2183 {"DSP", Mips::AFL_ASE_DSP},
2184 {"DSPR2", Mips::AFL_ASE_DSPR2},
2185 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
2186 {"MCU", Mips::AFL_ASE_MCU},
2187 {"MDMX", Mips::AFL_ASE_MDMX},
2188 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
2189 {"MT", Mips::AFL_ASE_MT},
2190 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
2191 {"VZ", Mips::AFL_ASE_VIRT},
2192 {"MSA", Mips::AFL_ASE_MSA},
2193 {"MIPS16", Mips::AFL_ASE_MIPS16},
2194 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
2195 {"XPA", Mips::AFL_ASE_XPA}
2198 static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
2199 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
2200 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
2201 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
2202 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
2203 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
2204 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
2205 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
2206 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
2207 {"Hard float compat (32-bit CPU, 64-bit FPU)",
2208 Mips::Val_GNU_MIPS_ABI_FP_64A}
2211 static const EnumEntry<unsigned> ElfMipsFlags1[] {
2212 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
2215 static int getMipsRegisterSize(uint8_t Flag) {
2217 case Mips::AFL_REG_NONE:
2219 case Mips::AFL_REG_32:
2221 case Mips::AFL_REG_64:
2223 case Mips::AFL_REG_128:
2230 template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
2231 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
2233 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
2236 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2237 if (Sec.size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
2238 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
2242 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec.data());
2244 raw_ostream &OS = W.getOStream();
2245 DictScope GS(W, "MIPS ABI Flags");
2247 W.printNumber("Version", Flags->version);
2248 W.startLine() << "ISA: ";
2249 if (Flags->isa_rev <= 1)
2250 OS << format("MIPS%u", Flags->isa_level);
2252 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
2254 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
2255 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
2256 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
2257 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
2258 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
2259 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
2260 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
2261 W.printHex("Flags 2", Flags->flags2);
2264 template <class ELFT>
2265 static void printMipsReginfoData(ScopedPrinter &W,
2266 const Elf_Mips_RegInfo<ELFT> &Reginfo) {
2267 W.printHex("GP", Reginfo.ri_gp_value);
2268 W.printHex("General Mask", Reginfo.ri_gprmask);
2269 W.printHex("Co-Proc Mask0", Reginfo.ri_cprmask[0]);
2270 W.printHex("Co-Proc Mask1", Reginfo.ri_cprmask[1]);
2271 W.printHex("Co-Proc Mask2", Reginfo.ri_cprmask[2]);
2272 W.printHex("Co-Proc Mask3", Reginfo.ri_cprmask[3]);
2275 template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
2276 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
2278 W.startLine() << "There is no .reginfo section in the file.\n";
2281 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2282 if (Sec.size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
2283 W.startLine() << "The .reginfo section has a wrong size.\n";
2287 DictScope GS(W, "MIPS RegInfo");
2288 auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec.data());
2289 printMipsReginfoData(W, *Reginfo);
2292 template <class ELFT> void ELFDumper<ELFT>::printMipsOptions() {
2293 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.options");
2295 W.startLine() << "There is no .MIPS.options section in the file.\n";
2299 DictScope GS(W, "MIPS Options");
2301 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2302 while (!Sec.empty()) {
2303 if (Sec.size() < sizeof(Elf_Mips_Options<ELFT>)) {
2304 W.startLine() << "The .MIPS.options section has a wrong size.\n";
2307 auto *O = reinterpret_cast<const Elf_Mips_Options<ELFT> *>(Sec.data());
2308 DictScope GS(W, getElfMipsOptionsOdkType(O->kind));
2311 printMipsReginfoData(W, O->getRegInfo());
2314 W.startLine() << "Unsupported MIPS options tag.\n";
2317 Sec = Sec.slice(O->size);
2321 template <class ELFT> void ELFDumper<ELFT>::printAMDGPUCodeObjectMetadata() {
2322 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".note");
2324 W.startLine() << "There is no .note section in the file.\n";
2327 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2329 const uint32_t CodeObjectMetadataNoteType = 10;
2330 for (auto I = reinterpret_cast<const Elf_Word *>(&Sec[0]),
2331 E = I + Sec.size()/4; I != E;) {
2332 uint32_t NameSZ = I[0];
2333 uint32_t DescSZ = I[1];
2334 uint32_t Type = I[2];
2339 Name = StringRef(reinterpret_cast<const char *>(I), NameSZ - 1);
2340 I += alignTo<4>(NameSZ)/4;
2343 if (Name == "AMD" && Type == CodeObjectMetadataNoteType) {
2344 StringRef Desc(reinterpret_cast<const char *>(I), DescSZ);
2345 W.printString(Desc);
2347 I += alignTo<4>(DescSZ)/4;
2351 template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
2352 const Elf_Shdr *StackMapSection = nullptr;
2353 for (const auto &Sec : unwrapOrError(Obj->sections())) {
2354 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2355 if (Name == ".llvm_stackmaps") {
2356 StackMapSection = &Sec;
2361 if (!StackMapSection)
2364 StringRef StackMapContents;
2365 ArrayRef<uint8_t> StackMapContentsArray =
2366 unwrapOrError(Obj->getSectionContents(StackMapSection));
2368 prettyPrintStackMap(outs(), StackMapV2Parser<ELFT::TargetEndianness>(
2369 StackMapContentsArray));
2372 template <class ELFT> void ELFDumper<ELFT>::printGroupSections() {
2373 ELFDumperStyle->printGroupSections(Obj);
2376 static inline void printFields(formatted_raw_ostream &OS, StringRef Str1,
2380 OS.PadToColumn(37u);
2385 template <class ELFT> void GNUStyle<ELFT>::printFileHeaders(const ELFO *Obj) {
2386 const Elf_Ehdr *e = Obj->getHeader();
2387 OS << "ELF Header:\n";
2390 for (int i = 0; i < ELF::EI_NIDENT; i++)
2391 OS << format(" %02x", static_cast<int>(e->e_ident[i]));
2393 Str = printEnum(e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
2394 printFields(OS, "Class:", Str);
2395 Str = printEnum(e->e_ident[ELF::EI_DATA], makeArrayRef(ElfDataEncoding));
2396 printFields(OS, "Data:", Str);
2399 OS.PadToColumn(37u);
2400 OS << to_hexString(e->e_ident[ELF::EI_VERSION]);
2401 if (e->e_version == ELF::EV_CURRENT)
2404 Str = printEnum(e->e_ident[ELF::EI_OSABI], makeArrayRef(ElfOSABI));
2405 printFields(OS, "OS/ABI:", Str);
2406 Str = "0x" + to_hexString(e->e_ident[ELF::EI_ABIVERSION]);
2407 printFields(OS, "ABI Version:", Str);
2408 Str = printEnum(e->e_type, makeArrayRef(ElfObjectFileType));
2409 printFields(OS, "Type:", Str);
2410 Str = printEnum(e->e_machine, makeArrayRef(ElfMachineType));
2411 printFields(OS, "Machine:", Str);
2412 Str = "0x" + to_hexString(e->e_version);
2413 printFields(OS, "Version:", Str);
2414 Str = "0x" + to_hexString(e->e_entry);
2415 printFields(OS, "Entry point address:", Str);
2416 Str = to_string(e->e_phoff) + " (bytes into file)";
2417 printFields(OS, "Start of program headers:", Str);
2418 Str = to_string(e->e_shoff) + " (bytes into file)";
2419 printFields(OS, "Start of section headers:", Str);
2420 Str = "0x" + to_hexString(e->e_flags);
2421 printFields(OS, "Flags:", Str);
2422 Str = to_string(e->e_ehsize) + " (bytes)";
2423 printFields(OS, "Size of this header:", Str);
2424 Str = to_string(e->e_phentsize) + " (bytes)";
2425 printFields(OS, "Size of program headers:", Str);
2426 Str = to_string(e->e_phnum);
2427 printFields(OS, "Number of program headers:", Str);
2428 Str = to_string(e->e_shentsize) + " (bytes)";
2429 printFields(OS, "Size of section headers:", Str);
2430 Str = to_string(e->e_shnum);
2431 printFields(OS, "Number of section headers:", Str);
2432 Str = to_string(e->e_shstrndx);
2433 printFields(OS, "Section header string table index:", Str);
2436 template <class ELFT> void GNUStyle<ELFT>::printGroupSections(const ELFO *Obj) {
2437 uint32_t SectionIndex = 0;
2438 bool HasGroups = false;
2439 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
2440 if (Sec.sh_type == ELF::SHT_GROUP) {
2442 const Elf_Shdr *Symtab = unwrapOrError(Obj->getSection(Sec.sh_link));
2443 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
2444 const Elf_Sym *Signature =
2445 unwrapOrError(Obj->template getEntry<Elf_Sym>(Symtab, Sec.sh_info));
2446 ArrayRef<Elf_Word> Data = unwrapOrError(
2447 Obj->template getSectionContentsAsArray<Elf_Word>(&Sec));
2448 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2449 OS << "\n" << getGroupType(Data[0]) << " group section ["
2450 << format_decimal(SectionIndex, 5) << "] `" << Name << "' ["
2451 << StrTable.data() + Signature->st_name << "] contains "
2452 << (Data.size() - 1) << " sections:\n"
2453 << " [Index] Name\n";
2454 for (auto &Ndx : Data.slice(1)) {
2455 auto Sec = unwrapOrError(Obj->getSection(Ndx));
2456 const StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
2457 OS << " [" << format_decimal(Ndx, 5) << "] " << Name
2464 OS << "There are no section groups in this file.\n";
2467 template <class ELFT>
2468 void GNUStyle<ELFT>::printRelocation(const ELFO *Obj, const Elf_Shdr *SymTab,
2469 const Elf_Rela &R, bool IsRela) {
2470 std::string Offset, Info, Addend, Value;
2471 SmallString<32> RelocName;
2472 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
2473 StringRef TargetName;
2474 const Elf_Sym *Sym = nullptr;
2475 unsigned Width = ELFT::Is64Bits ? 16 : 8;
2476 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
2478 // First two fields are bit width dependent. The rest of them are after are
2480 Field Fields[5] = {0, 10 + Bias, 19 + 2 * Bias, 42 + 2 * Bias, 53 + 2 * Bias};
2481 Obj->getRelocationTypeName(R.getType(Obj->isMips64EL()), RelocName);
2482 Sym = unwrapOrError(Obj->getRelocationSymbol(&R, SymTab));
2483 if (Sym && Sym->getType() == ELF::STT_SECTION) {
2484 const Elf_Shdr *Sec = unwrapOrError(
2485 Obj->getSection(Sym, SymTab, this->dumper()->getShndxTable()));
2486 TargetName = unwrapOrError(Obj->getSectionName(Sec));
2488 TargetName = unwrapOrError(Sym->getName(StrTable));
2491 if (Sym && IsRela) {
2498 Offset = to_string(format_hex_no_prefix(R.r_offset, Width));
2499 Info = to_string(format_hex_no_prefix(R.r_info, Width));
2501 int64_t RelAddend = R.r_addend;
2503 Addend += to_hexString(std::abs(RelAddend), false);
2506 Value = to_string(format_hex_no_prefix(Sym->getValue(), Width));
2508 Fields[0].Str = Offset;
2509 Fields[1].Str = Info;
2510 Fields[2].Str = RelocName;
2511 Fields[3].Str = Value;
2512 Fields[4].Str = TargetName;
2513 for (auto &field : Fields)
2519 static inline void printRelocHeader(raw_ostream &OS, bool Is64, bool IsRela) {
2521 OS << " Offset Info Type"
2522 << " Symbol's Value Symbol's Name";
2524 OS << " Offset Info Type Sym. Value "
2527 OS << (IsRela ? " + Addend" : "");
2531 template <class ELFT> void GNUStyle<ELFT>::printRelocations(const ELFO *Obj) {
2532 bool HasRelocSections = false;
2533 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
2534 if (Sec.sh_type != ELF::SHT_REL && Sec.sh_type != ELF::SHT_RELA)
2536 HasRelocSections = true;
2537 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2538 unsigned Entries = Sec.getEntityCount();
2539 uintX_t Offset = Sec.sh_offset;
2540 OS << "\nRelocation section '" << Name << "' at offset 0x"
2541 << to_hexString(Offset, false) << " contains " << Entries
2543 printRelocHeader(OS, ELFT::Is64Bits, (Sec.sh_type == ELF::SHT_RELA));
2544 const Elf_Shdr *SymTab = unwrapOrError(Obj->getSection(Sec.sh_link));
2545 if (Sec.sh_type == ELF::SHT_REL) {
2546 for (const auto &R : unwrapOrError(Obj->rels(&Sec))) {
2548 Rela.r_offset = R.r_offset;
2549 Rela.r_info = R.r_info;
2551 printRelocation(Obj, SymTab, Rela, false);
2554 for (const auto &R : unwrapOrError(Obj->relas(&Sec)))
2555 printRelocation(Obj, SymTab, R, true);
2558 if (!HasRelocSections)
2559 OS << "\nThere are no relocations in this file.\n";
2562 std::string getSectionTypeString(unsigned Arch, unsigned Type) {
2563 using namespace ELF;
2570 case SHT_ARM_PREEMPTMAP:
2571 return "ARM_PREEMPTMAP";
2572 case SHT_ARM_ATTRIBUTES:
2573 return "ARM_ATTRIBUTES";
2574 case SHT_ARM_DEBUGOVERLAY:
2575 return "ARM_DEBUGOVERLAY";
2576 case SHT_ARM_OVERLAYSECTION:
2577 return "ARM_OVERLAYSECTION";
2581 case SHT_X86_64_UNWIND:
2582 return "X86_64_UNWIND";
2585 case EM_MIPS_RS3_LE:
2587 case SHT_MIPS_REGINFO:
2588 return "MIPS_REGINFO";
2589 case SHT_MIPS_OPTIONS:
2590 return "MIPS_OPTIONS";
2591 case SHT_MIPS_ABIFLAGS:
2592 return "MIPS_ABIFLAGS";
2593 case SHT_MIPS_DWARF:
2594 return "SHT_MIPS_DWARF";
2622 case SHT_INIT_ARRAY:
2623 return "INIT_ARRAY";
2624 case SHT_FINI_ARRAY:
2625 return "FINI_ARRAY";
2626 case SHT_PREINIT_ARRAY:
2627 return "PREINIT_ARRAY";
2630 case SHT_SYMTAB_SHNDX:
2631 return "SYMTAB SECTION INDICES";
2632 case SHT_LLVM_ODRTAB:
2633 return "LLVM_ODRTAB";
2634 // FIXME: Parse processor specific GNU attributes
2635 case SHT_GNU_ATTRIBUTES:
2636 return "ATTRIBUTES";
2639 case SHT_GNU_verdef:
2641 case SHT_GNU_verneed:
2643 case SHT_GNU_versym:
2651 template <class ELFT> void GNUStyle<ELFT>::printSections(const ELFO *Obj) {
2652 size_t SectionIndex = 0;
2653 std::string Number, Type, Size, Address, Offset, Flags, Link, Info, EntrySize,
2658 if (ELFT::Is64Bits) {
2665 OS << "There are " << to_string(Obj->getHeader()->e_shnum)
2666 << " section headers, starting at offset "
2667 << "0x" << to_hexString(Obj->getHeader()->e_shoff, false) << ":\n\n";
2668 OS << "Section Headers:\n";
2669 Field Fields[11] = {{"[Nr]", 2},
2674 {"Size", 65 - Bias},
2680 for (auto &f : Fields)
2684 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
2685 Number = to_string(SectionIndex);
2686 Fields[0].Str = Number;
2687 Fields[1].Str = unwrapOrError(Obj->getSectionName(&Sec));
2688 Type = getSectionTypeString(Obj->getHeader()->e_machine, Sec.sh_type);
2689 Fields[2].Str = Type;
2690 Address = to_string(format_hex_no_prefix(Sec.sh_addr, Width));
2691 Fields[3].Str = Address;
2692 Offset = to_string(format_hex_no_prefix(Sec.sh_offset, 6));
2693 Fields[4].Str = Offset;
2694 Size = to_string(format_hex_no_prefix(Sec.sh_size, 6));
2695 Fields[5].Str = Size;
2696 EntrySize = to_string(format_hex_no_prefix(Sec.sh_entsize, 2));
2697 Fields[6].Str = EntrySize;
2698 Flags = getGNUFlags(Sec.sh_flags);
2699 Fields[7].Str = Flags;
2700 Link = to_string(Sec.sh_link);
2701 Fields[8].Str = Link;
2702 Info = to_string(Sec.sh_info);
2703 Fields[9].Str = Info;
2704 Alignment = to_string(Sec.sh_addralign);
2705 Fields[10].Str = Alignment;
2706 OS.PadToColumn(Fields[0].Column);
2707 OS << "[" << right_justify(Fields[0].Str, 2) << "]";
2708 for (int i = 1; i < 7; i++)
2709 printField(Fields[i]);
2710 OS.PadToColumn(Fields[7].Column);
2711 OS << right_justify(Fields[7].Str, 3);
2712 OS.PadToColumn(Fields[8].Column);
2713 OS << right_justify(Fields[8].Str, 2);
2714 OS.PadToColumn(Fields[9].Column);
2715 OS << right_justify(Fields[9].Str, 3);
2716 OS.PadToColumn(Fields[10].Column);
2717 OS << right_justify(Fields[10].Str, 2);
2721 OS << "Key to Flags:\n"
2722 << " W (write), A (alloc), X (execute), M (merge), S (strings), l "
2724 << " I (info), L (link order), G (group), T (TLS), E (exclude),\
2726 << " O (extra OS processing required) o (OS specific),\
2727 p (processor specific)\n";
2730 template <class ELFT>
2731 void GNUStyle<ELFT>::printSymtabMessage(const ELFO *Obj, StringRef Name,
2734 OS << "\nSymbol table '" << Name << "' contains " << Entries
2737 OS << "\n Symbol table for image:\n";
2740 OS << " Num: Value Size Type Bind Vis Ndx Name\n";
2742 OS << " Num: Value Size Type Bind Vis Ndx Name\n";
2745 template <class ELFT>
2746 std::string GNUStyle<ELFT>::getSymbolSectionNdx(const ELFO *Obj,
2747 const Elf_Sym *Symbol,
2748 const Elf_Sym *FirstSym) {
2749 unsigned SectionIndex = Symbol->st_shndx;
2750 switch (SectionIndex) {
2751 case ELF::SHN_UNDEF:
2755 case ELF::SHN_COMMON:
2757 case ELF::SHN_XINDEX:
2758 SectionIndex = unwrapOrError(object::getExtendedSymbolTableIndex<ELFT>(
2759 Symbol, FirstSym, this->dumper()->getShndxTable()));
2763 // Processor specific
2764 if (SectionIndex >= ELF::SHN_LOPROC && SectionIndex <= ELF::SHN_HIPROC)
2765 return std::string("PRC[0x") +
2766 to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
2768 if (SectionIndex >= ELF::SHN_LOOS && SectionIndex <= ELF::SHN_HIOS)
2769 return std::string("OS[0x") +
2770 to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
2771 // Architecture reserved:
2772 if (SectionIndex >= ELF::SHN_LORESERVE &&
2773 SectionIndex <= ELF::SHN_HIRESERVE)
2774 return std::string("RSV[0x") +
2775 to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
2776 // A normal section with an index
2777 return to_string(format_decimal(SectionIndex, 3));
2781 template <class ELFT>
2782 void GNUStyle<ELFT>::printSymbol(const ELFO *Obj, const Elf_Sym *Symbol,
2783 const Elf_Sym *FirstSym, StringRef StrTable,
2786 static bool Dynamic = true;
2789 // If this function was called with a different value from IsDynamic
2790 // from last call, happens when we move from dynamic to static symbol
2791 // table, "Num" field should be reset.
2792 if (!Dynamic != !IsDynamic) {
2796 std::string Num, Name, Value, Size, Binding, Type, Visibility, Section;
2798 if (ELFT::Is64Bits) {
2805 Field Fields[8] = {0, 8, 17 + Bias, 23 + Bias,
2806 31 + Bias, 38 + Bias, 47 + Bias, 51 + Bias};
2807 Num = to_string(format_decimal(Idx++, 6)) + ":";
2808 Value = to_string(format_hex_no_prefix(Symbol->st_value, Width));
2809 Size = to_string(format_decimal(Symbol->st_size, 5));
2810 unsigned char SymbolType = Symbol->getType();
2811 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
2812 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
2813 Type = printEnum(SymbolType, makeArrayRef(AMDGPUSymbolTypes));
2815 Type = printEnum(SymbolType, makeArrayRef(ElfSymbolTypes));
2816 unsigned Vis = Symbol->getVisibility();
2817 Binding = printEnum(Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
2818 Visibility = printEnum(Vis, makeArrayRef(ElfSymbolVisibilities));
2819 Section = getSymbolSectionNdx(Obj, Symbol, FirstSym);
2820 Name = this->dumper()->getFullSymbolName(Symbol, StrTable, IsDynamic);
2821 Fields[0].Str = Num;
2822 Fields[1].Str = Value;
2823 Fields[2].Str = Size;
2824 Fields[3].Str = Type;
2825 Fields[4].Str = Binding;
2826 Fields[5].Str = Visibility;
2827 Fields[6].Str = Section;
2828 Fields[7].Str = Name;
2829 for (auto &Entry : Fields)
2833 template <class ELFT>
2834 void GNUStyle<ELFT>::printHashedSymbol(const ELFO *Obj, const Elf_Sym *FirstSym,
2835 uint32_t Sym, StringRef StrTable,
2837 std::string Num, Buc, Name, Value, Size, Binding, Type, Visibility, Section;
2838 unsigned Width, Bias = 0;
2839 if (ELFT::Is64Bits) {
2846 Field Fields[9] = {0, 6, 11, 20 + Bias, 25 + Bias,
2847 34 + Bias, 41 + Bias, 49 + Bias, 53 + Bias};
2848 Num = to_string(format_decimal(Sym, 5));
2849 Buc = to_string(format_decimal(Bucket, 3)) + ":";
2851 const auto Symbol = FirstSym + Sym;
2852 Value = to_string(format_hex_no_prefix(Symbol->st_value, Width));
2853 Size = to_string(format_decimal(Symbol->st_size, 5));
2854 unsigned char SymbolType = Symbol->getType();
2855 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
2856 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
2857 Type = printEnum(SymbolType, makeArrayRef(AMDGPUSymbolTypes));
2859 Type = printEnum(SymbolType, makeArrayRef(ElfSymbolTypes));
2860 unsigned Vis = Symbol->getVisibility();
2861 Binding = printEnum(Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
2862 Visibility = printEnum(Vis, makeArrayRef(ElfSymbolVisibilities));
2863 Section = getSymbolSectionNdx(Obj, Symbol, FirstSym);
2864 Name = this->dumper()->getFullSymbolName(Symbol, StrTable, true);
2865 Fields[0].Str = Num;
2866 Fields[1].Str = Buc;
2867 Fields[2].Str = Value;
2868 Fields[3].Str = Size;
2869 Fields[4].Str = Type;
2870 Fields[5].Str = Binding;
2871 Fields[6].Str = Visibility;
2872 Fields[7].Str = Section;
2873 Fields[8].Str = Name;
2874 for (auto &Entry : Fields)
2879 template <class ELFT> void GNUStyle<ELFT>::printSymbols(const ELFO *Obj) {
2880 if (opts::DynamicSymbols)
2882 this->dumper()->printSymbolsHelper(true);
2883 this->dumper()->printSymbolsHelper(false);
2886 template <class ELFT>
2887 void GNUStyle<ELFT>::printDynamicSymbols(const ELFO *Obj) {
2888 if (this->dumper()->getDynamicStringTable().empty())
2890 auto StringTable = this->dumper()->getDynamicStringTable();
2891 auto DynSyms = this->dumper()->dynamic_symbols();
2892 auto GnuHash = this->dumper()->getGnuHashTable();
2893 auto SysVHash = this->dumper()->getHashTable();
2895 // If no hash or .gnu.hash found, try using symbol table
2896 if (GnuHash == nullptr && SysVHash == nullptr)
2897 this->dumper()->printSymbolsHelper(true);
2899 // Try printing .hash
2900 if (this->dumper()->getHashTable()) {
2901 OS << "\n Symbol table of .hash for image:\n";
2903 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
2905 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
2908 uint32_t NBuckets = SysVHash->nbucket;
2909 uint32_t NChains = SysVHash->nchain;
2910 auto Buckets = SysVHash->buckets();
2911 auto Chains = SysVHash->chains();
2912 for (uint32_t Buc = 0; Buc < NBuckets; Buc++) {
2913 if (Buckets[Buc] == ELF::STN_UNDEF)
2915 for (uint32_t Ch = Buckets[Buc]; Ch < NChains; Ch = Chains[Ch]) {
2916 if (Ch == ELF::STN_UNDEF)
2918 printHashedSymbol(Obj, &DynSyms[0], Ch, StringTable, Buc);
2923 // Try printing .gnu.hash
2925 OS << "\n Symbol table of .gnu.hash for image:\n";
2927 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
2929 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
2931 uint32_t NBuckets = GnuHash->nbuckets;
2932 auto Buckets = GnuHash->buckets();
2933 for (uint32_t Buc = 0; Buc < NBuckets; Buc++) {
2934 if (Buckets[Buc] == ELF::STN_UNDEF)
2936 uint32_t Index = Buckets[Buc];
2937 uint32_t GnuHashable = Index - GnuHash->symndx;
2938 // Print whole chain
2940 printHashedSymbol(Obj, &DynSyms[0], Index++, StringTable, Buc);
2941 // Chain ends at symbol with stopper bit
2942 if ((GnuHash->values(DynSyms.size())[GnuHashable++] & 1) == 1)
2949 static inline std::string printPhdrFlags(unsigned Flag) {
2951 Str = (Flag & PF_R) ? "R" : " ";
2952 Str += (Flag & PF_W) ? "W" : " ";
2953 Str += (Flag & PF_X) ? "E" : " ";
2957 // SHF_TLS sections are only in PT_TLS, PT_LOAD or PT_GNU_RELRO
2958 // PT_TLS must only have SHF_TLS sections
2959 template <class ELFT>
2960 bool GNUStyle<ELFT>::checkTLSSections(const Elf_Phdr &Phdr,
2961 const Elf_Shdr &Sec) {
2962 return (((Sec.sh_flags & ELF::SHF_TLS) &&
2963 ((Phdr.p_type == ELF::PT_TLS) || (Phdr.p_type == ELF::PT_LOAD) ||
2964 (Phdr.p_type == ELF::PT_GNU_RELRO))) ||
2965 (!(Sec.sh_flags & ELF::SHF_TLS) && Phdr.p_type != ELF::PT_TLS));
2968 // Non-SHT_NOBITS must have its offset inside the segment
2969 // Only non-zero section can be at end of segment
2970 template <class ELFT>
2971 bool GNUStyle<ELFT>::checkoffsets(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
2972 if (Sec.sh_type == ELF::SHT_NOBITS)
2975 (Sec.sh_type == ELF::SHT_NOBITS) && ((Sec.sh_flags & ELF::SHF_TLS) != 0);
2976 // .tbss is special, it only has memory in PT_TLS and has NOBITS properties
2978 (IsSpecial && Phdr.p_type != ELF::PT_TLS) ? 0 : Sec.sh_size;
2979 if (Sec.sh_offset >= Phdr.p_offset)
2980 return ((Sec.sh_offset + SectionSize <= Phdr.p_filesz + Phdr.p_offset)
2981 /*only non-zero sized sections at end*/ &&
2982 (Sec.sh_offset + 1 <= Phdr.p_offset + Phdr.p_filesz));
2986 // SHF_ALLOC must have VMA inside segment
2987 // Only non-zero section can be at end of segment
2988 template <class ELFT>
2989 bool GNUStyle<ELFT>::checkVMA(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
2990 if (!(Sec.sh_flags & ELF::SHF_ALLOC))
2993 (Sec.sh_type == ELF::SHT_NOBITS) && ((Sec.sh_flags & ELF::SHF_TLS) != 0);
2994 // .tbss is special, it only has memory in PT_TLS and has NOBITS properties
2996 (IsSpecial && Phdr.p_type != ELF::PT_TLS) ? 0 : Sec.sh_size;
2997 if (Sec.sh_addr >= Phdr.p_vaddr)
2998 return ((Sec.sh_addr + SectionSize <= Phdr.p_vaddr + Phdr.p_memsz) &&
2999 (Sec.sh_addr + 1 <= Phdr.p_vaddr + Phdr.p_memsz));
3003 // No section with zero size must be at start or end of PT_DYNAMIC
3004 template <class ELFT>
3005 bool GNUStyle<ELFT>::checkPTDynamic(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
3006 if (Phdr.p_type != ELF::PT_DYNAMIC || Sec.sh_size != 0 || Phdr.p_memsz == 0)
3008 // Is section within the phdr both based on offset and VMA ?
3009 return ((Sec.sh_type == ELF::SHT_NOBITS) ||
3010 (Sec.sh_offset > Phdr.p_offset &&
3011 Sec.sh_offset < Phdr.p_offset + Phdr.p_filesz)) &&
3012 (!(Sec.sh_flags & ELF::SHF_ALLOC) ||
3013 (Sec.sh_addr > Phdr.p_vaddr && Sec.sh_addr < Phdr.p_memsz));
3016 template <class ELFT>
3017 void GNUStyle<ELFT>::printProgramHeaders(const ELFO *Obj) {
3018 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
3019 unsigned Width = ELFT::Is64Bits ? 18 : 10;
3020 unsigned SizeWidth = ELFT::Is64Bits ? 8 : 7;
3021 std::string Type, Offset, VMA, LMA, FileSz, MemSz, Flag, Align;
3023 const Elf_Ehdr *Header = Obj->getHeader();
3024 Field Fields[8] = {2, 17, 26, 37 + Bias,
3025 48 + Bias, 56 + Bias, 64 + Bias, 68 + Bias};
3026 OS << "\nElf file type is "
3027 << printEnum(Header->e_type, makeArrayRef(ElfObjectFileType)) << "\n"
3028 << "Entry point " << format_hex(Header->e_entry, 3) << "\n"
3029 << "There are " << Header->e_phnum << " program headers,"
3030 << " starting at offset " << Header->e_phoff << "\n\n"
3031 << "Program Headers:\n";
3033 OS << " Type Offset VirtAddr PhysAddr "
3034 << " FileSiz MemSiz Flg Align\n";
3036 OS << " Type Offset VirtAddr PhysAddr FileSiz "
3037 << "MemSiz Flg Align\n";
3038 for (const auto &Phdr : unwrapOrError(Obj->program_headers())) {
3039 Type = getElfPtType(Header->e_machine, Phdr.p_type);
3040 Offset = to_string(format_hex(Phdr.p_offset, 8));
3041 VMA = to_string(format_hex(Phdr.p_vaddr, Width));
3042 LMA = to_string(format_hex(Phdr.p_paddr, Width));
3043 FileSz = to_string(format_hex(Phdr.p_filesz, SizeWidth));
3044 MemSz = to_string(format_hex(Phdr.p_memsz, SizeWidth));
3045 Flag = printPhdrFlags(Phdr.p_flags);
3046 Align = to_string(format_hex(Phdr.p_align, 1));
3047 Fields[0].Str = Type;
3048 Fields[1].Str = Offset;
3049 Fields[2].Str = VMA;
3050 Fields[3].Str = LMA;
3051 Fields[4].Str = FileSz;
3052 Fields[5].Str = MemSz;
3053 Fields[6].Str = Flag;
3054 Fields[7].Str = Align;
3055 for (auto Field : Fields)
3057 if (Phdr.p_type == ELF::PT_INTERP) {
3058 OS << "\n [Requesting program interpreter: ";
3059 OS << reinterpret_cast<const char *>(Obj->base()) + Phdr.p_offset << "]";
3063 OS << "\n Section to Segment mapping:\n Segment Sections...\n";
3065 for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
3066 std::string Sections;
3067 OS << format(" %2.2d ", Phnum++);
3068 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
3069 // Check if each section is in a segment and then print mapping.
3070 // readelf additionally makes sure it does not print zero sized sections
3071 // at end of segments and for PT_DYNAMIC both start and end of section
3072 // .tbss must only be shown in PT_TLS section.
3073 bool TbssInNonTLS = (Sec.sh_type == ELF::SHT_NOBITS) &&
3074 ((Sec.sh_flags & ELF::SHF_TLS) != 0) &&
3075 Phdr.p_type != ELF::PT_TLS;
3076 if (!TbssInNonTLS && checkTLSSections(Phdr, Sec) &&
3077 checkoffsets(Phdr, Sec) && checkVMA(Phdr, Sec) &&
3078 checkPTDynamic(Phdr, Sec) && (Sec.sh_type != ELF::SHT_NULL))
3079 Sections += unwrapOrError(Obj->getSectionName(&Sec)).str() + " ";
3081 OS << Sections << "\n";
3086 template <class ELFT>
3087 void GNUStyle<ELFT>::printDynamicRelocation(const ELFO *Obj, Elf_Rela R,
3089 SmallString<32> RelocName;
3090 StringRef SymbolName;
3091 unsigned Width = ELFT::Is64Bits ? 16 : 8;
3092 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
3093 // First two fields are bit width dependent. The rest of them are after are
3095 Field Fields[5] = {0, 10 + Bias, 19 + 2 * Bias, 42 + 2 * Bias, 53 + 2 * Bias};
3097 uint32_t SymIndex = R.getSymbol(Obj->isMips64EL());
3098 const Elf_Sym *Sym = this->dumper()->dynamic_symbols().begin() + SymIndex;
3099 Obj->getRelocationTypeName(R.getType(Obj->isMips64EL()), RelocName);
3101 unwrapOrError(Sym->getName(this->dumper()->getDynamicStringTable()));
3102 std::string Addend, Info, Offset, Value;
3103 Offset = to_string(format_hex_no_prefix(R.r_offset, Width));
3104 Info = to_string(format_hex_no_prefix(R.r_info, Width));
3105 Value = to_string(format_hex_no_prefix(Sym->getValue(), Width));
3106 int64_t RelAddend = R.r_addend;
3107 if (!SymbolName.empty() && IsRela) {
3114 if (SymbolName.empty() && Sym->getValue() == 0)
3118 Addend += to_string(format_hex_no_prefix(std::abs(RelAddend), 1));
3121 Fields[0].Str = Offset;
3122 Fields[1].Str = Info;
3123 Fields[2].Str = RelocName.c_str();
3124 Fields[3].Str = Value;
3125 Fields[4].Str = SymbolName;
3126 for (auto &Field : Fields)
3132 template <class ELFT>
3133 void GNUStyle<ELFT>::printDynamicRelocations(const ELFO *Obj) {
3134 const DynRegionInfo &DynRelRegion = this->dumper()->getDynRelRegion();
3135 const DynRegionInfo &DynRelaRegion = this->dumper()->getDynRelaRegion();
3136 const DynRegionInfo &DynPLTRelRegion = this->dumper()->getDynPLTRelRegion();
3137 if (DynRelaRegion.Size > 0) {
3138 OS << "\n'RELA' relocation section at offset "
3139 << format_hex(reinterpret_cast<const uint8_t *>(DynRelaRegion.Addr) -
3141 1) << " contains " << DynRelaRegion.Size << " bytes:\n";
3142 printRelocHeader(OS, ELFT::Is64Bits, true);
3143 for (const Elf_Rela &Rela : this->dumper()->dyn_relas())
3144 printDynamicRelocation(Obj, Rela, true);
3146 if (DynRelRegion.Size > 0) {
3147 OS << "\n'REL' relocation section at offset "
3148 << format_hex(reinterpret_cast<const uint8_t *>(DynRelRegion.Addr) -
3150 1) << " contains " << DynRelRegion.Size << " bytes:\n";
3151 printRelocHeader(OS, ELFT::Is64Bits, false);
3152 for (const Elf_Rel &Rel : this->dumper()->dyn_rels()) {
3154 Rela.r_offset = Rel.r_offset;
3155 Rela.r_info = Rel.r_info;
3157 printDynamicRelocation(Obj, Rela, false);
3160 if (DynPLTRelRegion.Size) {
3161 OS << "\n'PLT' relocation section at offset "
3162 << format_hex(reinterpret_cast<const uint8_t *>(DynPLTRelRegion.Addr) -
3164 1) << " contains " << DynPLTRelRegion.Size << " bytes:\n";
3166 if (DynPLTRelRegion.EntSize == sizeof(Elf_Rela)) {
3167 printRelocHeader(OS, ELFT::Is64Bits, true);
3168 for (const Elf_Rela &Rela : DynPLTRelRegion.getAsArrayRef<Elf_Rela>())
3169 printDynamicRelocation(Obj, Rela, true);
3171 printRelocHeader(OS, ELFT::Is64Bits, false);
3172 for (const Elf_Rel &Rel : DynPLTRelRegion.getAsArrayRef<Elf_Rel>()) {
3174 Rela.r_offset = Rel.r_offset;
3175 Rela.r_info = Rel.r_info;
3177 printDynamicRelocation(Obj, Rela, false);
3182 // Hash histogram shows statistics of how efficient the hash was for the
3183 // dynamic symbol table. The table shows number of hash buckets for different
3184 // lengths of chains as absolute number and percentage of the total buckets.
3185 // Additionally cumulative coverage of symbols for each set of buckets.
3186 template <class ELFT>
3187 void GNUStyle<ELFT>::printHashHistogram(const ELFFile<ELFT> *Obj) {
3189 const Elf_Hash *HashTable = this->dumper()->getHashTable();
3190 const Elf_GnuHash *GnuHashTable = this->dumper()->getGnuHashTable();
3192 // Print histogram for .hash section
3194 size_t NBucket = HashTable->nbucket;
3195 size_t NChain = HashTable->nchain;
3196 ArrayRef<Elf_Word> Buckets = HashTable->buckets();
3197 ArrayRef<Elf_Word> Chains = HashTable->chains();
3198 size_t TotalSyms = 0;
3199 // If hash table is correct, we have at least chains with 0 length
3200 size_t MaxChain = 1;
3201 size_t CumulativeNonZero = 0;
3203 if (NChain == 0 || NBucket == 0)
3206 std::vector<size_t> ChainLen(NBucket, 0);
3207 // Go over all buckets and and note chain lengths of each bucket (total
3208 // unique chain lengths).
3209 for (size_t B = 0; B < NBucket; B++) {
3210 for (size_t C = Buckets[B]; C > 0 && C < NChain; C = Chains[C])
3211 if (MaxChain <= ++ChainLen[B])
3213 TotalSyms += ChainLen[B];
3219 std::vector<size_t> Count(MaxChain, 0) ;
3220 // Count how long is the chain for each bucket
3221 for (size_t B = 0; B < NBucket; B++)
3222 ++Count[ChainLen[B]];
3223 // Print Number of buckets with each chain lengths and their cumulative
3224 // coverage of the symbols
3225 OS << "Histogram for bucket list length (total of " << NBucket
3227 << " Length Number % of total Coverage\n";
3228 for (size_t I = 0; I < MaxChain; I++) {
3229 CumulativeNonZero += Count[I] * I;
3230 OS << format("%7lu %-10lu (%5.1f%%) %5.1f%%\n", I, Count[I],
3231 (Count[I] * 100.0) / NBucket,
3232 (CumulativeNonZero * 100.0) / TotalSyms);
3236 // Print histogram for .gnu.hash section
3238 size_t NBucket = GnuHashTable->nbuckets;
3239 ArrayRef<Elf_Word> Buckets = GnuHashTable->buckets();
3240 unsigned NumSyms = this->dumper()->dynamic_symbols().size();
3243 ArrayRef<Elf_Word> Chains = GnuHashTable->values(NumSyms);
3244 size_t Symndx = GnuHashTable->symndx;
3245 size_t TotalSyms = 0;
3246 size_t MaxChain = 1;
3247 size_t CumulativeNonZero = 0;
3249 if (Chains.empty() || NBucket == 0)
3252 std::vector<size_t> ChainLen(NBucket, 0);
3254 for (size_t B = 0; B < NBucket; B++) {
3258 for (size_t C = Buckets[B] - Symndx;
3259 C < Chains.size() && (Chains[C] & 1) == 0; C++)
3260 if (MaxChain < ++Len)
3270 std::vector<size_t> Count(MaxChain, 0) ;
3271 for (size_t B = 0; B < NBucket; B++)
3272 ++Count[ChainLen[B]];
3273 // Print Number of buckets with each chain lengths and their cumulative
3274 // coverage of the symbols
3275 OS << "Histogram for `.gnu.hash' bucket list length (total of " << NBucket
3277 << " Length Number % of total Coverage\n";
3278 for (size_t I = 0; I <MaxChain; I++) {
3279 CumulativeNonZero += Count[I] * I;
3280 OS << format("%7lu %-10lu (%5.1f%%) %5.1f%%\n", I, Count[I],
3281 (Count[I] * 100.0) / NBucket,
3282 (CumulativeNonZero * 100.0) / TotalSyms);
3287 static std::string getGNUNoteTypeName(const uint32_t NT) {
3288 static const struct {
3292 {ELF::NT_GNU_ABI_TAG, "NT_GNU_ABI_TAG (ABI version tag)"},
3293 {ELF::NT_GNU_HWCAP, "NT_GNU_HWCAP (DSO-supplied software HWCAP info)"},
3294 {ELF::NT_GNU_BUILD_ID, "NT_GNU_BUILD_ID (unique build ID bitstring)"},
3295 {ELF::NT_GNU_GOLD_VERSION, "NT_GNU_GOLD_VERSION (gold version)"},
3298 for (const auto &Note : Notes)
3300 return std::string(Note.Name);
3303 raw_string_ostream OS(string);
3304 OS << format("Unknown note type (0x%08x)", NT);
3308 static std::string getFreeBSDNoteTypeName(const uint32_t NT) {
3309 static const struct {
3313 {ELF::NT_FREEBSD_THRMISC, "NT_THRMISC (thrmisc structure)"},
3314 {ELF::NT_FREEBSD_PROCSTAT_PROC, "NT_PROCSTAT_PROC (proc data)"},
3315 {ELF::NT_FREEBSD_PROCSTAT_FILES, "NT_PROCSTAT_FILES (files data)"},
3316 {ELF::NT_FREEBSD_PROCSTAT_VMMAP, "NT_PROCSTAT_VMMAP (vmmap data)"},
3317 {ELF::NT_FREEBSD_PROCSTAT_GROUPS, "NT_PROCSTAT_GROUPS (groups data)"},
3318 {ELF::NT_FREEBSD_PROCSTAT_UMASK, "NT_PROCSTAT_UMASK (umask data)"},
3319 {ELF::NT_FREEBSD_PROCSTAT_RLIMIT, "NT_PROCSTAT_RLIMIT (rlimit data)"},
3320 {ELF::NT_FREEBSD_PROCSTAT_OSREL, "NT_PROCSTAT_OSREL (osreldate data)"},
3321 {ELF::NT_FREEBSD_PROCSTAT_PSSTRINGS,
3322 "NT_PROCSTAT_PSSTRINGS (ps_strings data)"},
3323 {ELF::NT_FREEBSD_PROCSTAT_AUXV, "NT_PROCSTAT_AUXV (auxv data)"},
3326 for (const auto &Note : Notes)
3328 return std::string(Note.Name);
3331 raw_string_ostream OS(string);
3332 OS << format("Unknown note type (0x%08x)", NT);
3336 template <typename ELFT>
3337 static void printGNUNote(raw_ostream &OS, uint32_t NoteType,
3338 ArrayRef<typename ELFFile<ELFT>::Elf_Word> Words,
3343 case ELF::NT_GNU_ABI_TAG: {
3344 static const char *OSNames[] = {
3345 "Linux", "Hurd", "Solaris", "FreeBSD", "NetBSD", "Syllable", "NaCl",
3348 StringRef OSName = "Unknown";
3349 if (Words[0] < array_lengthof(OSNames))
3350 OSName = OSNames[Words[0]];
3351 uint32_t Major = Words[1], Minor = Words[2], Patch = Words[3];
3353 if (Words.size() < 4)
3354 OS << " <corrupt GNU_ABI_TAG>";
3356 OS << " OS: " << OSName << ", ABI: " << Major << "." << Minor << "."
3360 case ELF::NT_GNU_BUILD_ID: {
3361 OS << " Build ID: ";
3362 ArrayRef<uint8_t> ID(reinterpret_cast<const uint8_t *>(Words.data()), Size);
3363 for (const auto &B : ID)
3364 OS << format_hex_no_prefix(B, 2);
3367 case ELF::NT_GNU_GOLD_VERSION:
3369 << StringRef(reinterpret_cast<const char *>(Words.data()), Size);
3376 template <class ELFT>
3377 void GNUStyle<ELFT>::printNotes(const ELFFile<ELFT> *Obj) {
3378 const Elf_Ehdr *e = Obj->getHeader();
3379 bool IsCore = e->e_type == ELF::ET_CORE;
3381 auto process = [&](const typename ELFFile<ELFT>::Elf_Off Offset,
3382 const typename ELFFile<ELFT>::Elf_Addr Size) {
3386 const auto *P = static_cast<const uint8_t *>(Obj->base() + Offset);
3387 const auto *E = P + Size;
3389 OS << "Displaying notes found at file offset " << format_hex(Offset, 10)
3390 << " with length " << format_hex(Size, 10) << ":\n"
3391 << " Owner Data size\tDescription\n";
3394 const Elf_Word *Words = reinterpret_cast<const Elf_Word *>(&P[0]);
3396 uint32_t NameSize = Words[0];
3397 uint32_t DescriptorSize = Words[1];
3398 uint32_t Type = Words[2];
3400 ArrayRef<Elf_Word> Descriptor(&Words[3 + (alignTo<4>(NameSize) / 4)],
3401 alignTo<4>(DescriptorSize) / 4);
3406 StringRef(reinterpret_cast<const char *>(&Words[3]), NameSize - 1);
3408 OS << " " << Name << std::string(22 - NameSize, ' ')
3409 << format_hex(DescriptorSize, 10) << '\t';
3411 if (Name == "GNU") {
3412 OS << getGNUNoteTypeName(Type) << '\n';
3413 printGNUNote<ELFT>(OS, Type, Descriptor, DescriptorSize);
3414 } else if (Name == "FreeBSD") {
3415 OS << getFreeBSDNoteTypeName(Type) << '\n';
3417 OS << "Unknown note type: (" << format_hex(Type, 10) << ')';
3421 P = P + 3 * sizeof(Elf_Word) + alignTo<4>(NameSize) +
3422 alignTo<4>(DescriptorSize);
3427 for (const auto &P : unwrapOrError(Obj->program_headers()))
3428 if (P.p_type == PT_NOTE)
3429 process(P.p_offset, P.p_filesz);
3431 for (const auto &S : unwrapOrError(Obj->sections()))
3432 if (S.sh_type == SHT_NOTE)
3433 process(S.sh_offset, S.sh_size);
3437 template <class ELFT> void LLVMStyle<ELFT>::printFileHeaders(const ELFO *Obj) {
3438 const Elf_Ehdr *e = Obj->getHeader();
3440 DictScope D(W, "ElfHeader");
3442 DictScope D(W, "Ident");
3443 W.printBinary("Magic", makeArrayRef(e->e_ident).slice(ELF::EI_MAG0, 4));
3444 W.printEnum("Class", e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
3445 W.printEnum("DataEncoding", e->e_ident[ELF::EI_DATA],
3446 makeArrayRef(ElfDataEncoding));
3447 W.printNumber("FileVersion", e->e_ident[ELF::EI_VERSION]);
3449 // Handle architecture specific OS/ABI values.
3450 if (e->e_machine == ELF::EM_AMDGPU &&
3451 e->e_ident[ELF::EI_OSABI] == ELF::ELFOSABI_AMDGPU_HSA)
3452 W.printHex("OS/ABI", "AMDGPU_HSA", ELF::ELFOSABI_AMDGPU_HSA);
3454 W.printEnum("OS/ABI", e->e_ident[ELF::EI_OSABI],
3455 makeArrayRef(ElfOSABI));
3456 W.printNumber("ABIVersion", e->e_ident[ELF::EI_ABIVERSION]);
3457 W.printBinary("Unused", makeArrayRef(e->e_ident).slice(ELF::EI_PAD));
3460 W.printEnum("Type", e->e_type, makeArrayRef(ElfObjectFileType));
3461 W.printEnum("Machine", e->e_machine, makeArrayRef(ElfMachineType));
3462 W.printNumber("Version", e->e_version);
3463 W.printHex("Entry", e->e_entry);
3464 W.printHex("ProgramHeaderOffset", e->e_phoff);
3465 W.printHex("SectionHeaderOffset", e->e_shoff);
3466 if (e->e_machine == EM_MIPS)
3467 W.printFlags("Flags", e->e_flags, makeArrayRef(ElfHeaderMipsFlags),
3468 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
3469 unsigned(ELF::EF_MIPS_MACH));
3471 W.printFlags("Flags", e->e_flags);
3472 W.printNumber("HeaderSize", e->e_ehsize);
3473 W.printNumber("ProgramHeaderEntrySize", e->e_phentsize);
3474 W.printNumber("ProgramHeaderCount", e->e_phnum);
3475 W.printNumber("SectionHeaderEntrySize", e->e_shentsize);
3476 W.printNumber("SectionHeaderCount", e->e_shnum);
3477 W.printNumber("StringTableSectionIndex", e->e_shstrndx);
3481 template <class ELFT>
3482 void LLVMStyle<ELFT>::printGroupSections(const ELFO *Obj) {
3483 DictScope Lists(W, "Groups");
3484 uint32_t SectionIndex = 0;
3485 bool HasGroups = false;
3486 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
3487 if (Sec.sh_type == ELF::SHT_GROUP) {
3489 const Elf_Shdr *Symtab = unwrapOrError(Obj->getSection(Sec.sh_link));
3490 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
3491 const Elf_Sym *Sym =
3492 unwrapOrError(Obj->template getEntry<Elf_Sym>(Symtab, Sec.sh_info));
3493 auto Data = unwrapOrError(
3494 Obj->template getSectionContentsAsArray<Elf_Word>(&Sec));
3495 DictScope D(W, "Group");
3496 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
3497 W.printNumber("Name", Name, Sec.sh_name);
3498 W.printNumber("Index", SectionIndex);
3499 W.printHex("Type", getGroupType(Data[0]), Data[0]);
3500 W.startLine() << "Signature: " << StrTable.data() + Sym->st_name << "\n";
3502 ListScope L(W, "Section(s) in group");
3504 while (Member < Data.size()) {
3505 auto Sec = unwrapOrError(Obj->getSection(Data[Member]));
3506 const StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
3507 W.startLine() << Name << " (" << Data[Member++] << ")\n";
3514 W.startLine() << "There are no group sections in the file.\n";
3517 template <class ELFT> void LLVMStyle<ELFT>::printRelocations(const ELFO *Obj) {
3518 ListScope D(W, "Relocations");
3520 int SectionNumber = -1;
3521 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
3524 if (Sec.sh_type != ELF::SHT_REL && Sec.sh_type != ELF::SHT_RELA)
3527 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
3529 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
3532 printRelocations(&Sec, Obj);
3535 W.startLine() << "}\n";
3539 template <class ELFT>
3540 void LLVMStyle<ELFT>::printRelocations(const Elf_Shdr *Sec, const ELFO *Obj) {
3541 const Elf_Shdr *SymTab = unwrapOrError(Obj->getSection(Sec->sh_link));
3543 switch (Sec->sh_type) {
3545 for (const Elf_Rel &R : unwrapOrError(Obj->rels(Sec))) {
3547 Rela.r_offset = R.r_offset;
3548 Rela.r_info = R.r_info;
3550 printRelocation(Obj, Rela, SymTab);
3554 for (const Elf_Rela &R : unwrapOrError(Obj->relas(Sec)))
3555 printRelocation(Obj, R, SymTab);
3560 template <class ELFT>
3561 void LLVMStyle<ELFT>::printRelocation(const ELFO *Obj, Elf_Rela Rel,
3562 const Elf_Shdr *SymTab) {
3563 SmallString<32> RelocName;
3564 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
3565 StringRef TargetName;
3566 const Elf_Sym *Sym = unwrapOrError(Obj->getRelocationSymbol(&Rel, SymTab));
3567 if (Sym && Sym->getType() == ELF::STT_SECTION) {
3568 const Elf_Shdr *Sec = unwrapOrError(
3569 Obj->getSection(Sym, SymTab, this->dumper()->getShndxTable()));
3570 TargetName = unwrapOrError(Obj->getSectionName(Sec));
3572 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
3573 TargetName = unwrapOrError(Sym->getName(StrTable));
3576 if (opts::ExpandRelocs) {
3577 DictScope Group(W, "Relocation");
3578 W.printHex("Offset", Rel.r_offset);
3579 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
3580 W.printNumber("Symbol", !TargetName.empty() ? TargetName : "-",
3581 Rel.getSymbol(Obj->isMips64EL()));
3582 W.printHex("Addend", Rel.r_addend);
3584 raw_ostream &OS = W.startLine();
3585 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
3586 << (!TargetName.empty() ? TargetName : "-") << " "
3587 << W.hex(Rel.r_addend) << "\n";
3591 template <class ELFT> void LLVMStyle<ELFT>::printSections(const ELFO *Obj) {
3592 ListScope SectionsD(W, "Sections");
3594 int SectionIndex = -1;
3595 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
3598 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
3600 DictScope SectionD(W, "Section");
3601 W.printNumber("Index", SectionIndex);
3602 W.printNumber("Name", Name, Sec.sh_name);
3605 object::getELFSectionTypeName(Obj->getHeader()->e_machine, Sec.sh_type),
3607 std::vector<EnumEntry<unsigned>> SectionFlags(std::begin(ElfSectionFlags),
3608 std::end(ElfSectionFlags));
3609 switch (Obj->getHeader()->e_machine) {
3611 SectionFlags.insert(SectionFlags.end(), std::begin(ElfARMSectionFlags),
3612 std::end(ElfARMSectionFlags));
3615 SectionFlags.insert(SectionFlags.end(),
3616 std::begin(ElfHexagonSectionFlags),
3617 std::end(ElfHexagonSectionFlags));
3620 SectionFlags.insert(SectionFlags.end(), std::begin(ElfMipsSectionFlags),
3621 std::end(ElfMipsSectionFlags));
3624 SectionFlags.insert(SectionFlags.end(), std::begin(ElfX86_64SectionFlags),
3625 std::end(ElfX86_64SectionFlags));
3628 SectionFlags.insert(SectionFlags.end(), std::begin(ElfXCoreSectionFlags),
3629 std::end(ElfXCoreSectionFlags));
3635 W.printFlags("Flags", Sec.sh_flags, makeArrayRef(SectionFlags));
3636 W.printHex("Address", Sec.sh_addr);
3637 W.printHex("Offset", Sec.sh_offset);
3638 W.printNumber("Size", Sec.sh_size);
3639 W.printNumber("Link", Sec.sh_link);
3640 W.printNumber("Info", Sec.sh_info);
3641 W.printNumber("AddressAlignment", Sec.sh_addralign);
3642 W.printNumber("EntrySize", Sec.sh_entsize);
3644 if (opts::SectionRelocations) {
3645 ListScope D(W, "Relocations");
3646 printRelocations(&Sec, Obj);
3649 if (opts::SectionSymbols) {
3650 ListScope D(W, "Symbols");
3651 const Elf_Shdr *Symtab = this->dumper()->getDotSymtabSec();
3652 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
3654 for (const Elf_Sym &Sym : unwrapOrError(Obj->symbols(Symtab))) {
3655 const Elf_Shdr *SymSec = unwrapOrError(
3656 Obj->getSection(&Sym, Symtab, this->dumper()->getShndxTable()));
3658 printSymbol(Obj, &Sym, unwrapOrError(Obj->symbols(Symtab)).begin(),
3663 if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
3664 ArrayRef<uint8_t> Data = unwrapOrError(Obj->getSectionContents(&Sec));
3665 W.printBinaryBlock("SectionData",
3666 StringRef((const char *)Data.data(), Data.size()));
3671 template <class ELFT>
3672 void LLVMStyle<ELFT>::printSymbol(const ELFO *Obj, const Elf_Sym *Symbol,
3673 const Elf_Sym *First, StringRef StrTable,
3675 unsigned SectionIndex = 0;
3676 StringRef SectionName;
3677 getSectionNameIndex(*Obj, Symbol, First, this->dumper()->getShndxTable(),
3678 SectionName, SectionIndex);
3679 std::string FullSymbolName =
3680 this->dumper()->getFullSymbolName(Symbol, StrTable, IsDynamic);
3681 unsigned char SymbolType = Symbol->getType();
3683 DictScope D(W, "Symbol");
3684 W.printNumber("Name", FullSymbolName, Symbol->st_name);
3685 W.printHex("Value", Symbol->st_value);
3686 W.printNumber("Size", Symbol->st_size);
3687 W.printEnum("Binding", Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
3688 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
3689 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
3690 W.printEnum("Type", SymbolType, makeArrayRef(AMDGPUSymbolTypes));
3692 W.printEnum("Type", SymbolType, makeArrayRef(ElfSymbolTypes));
3693 if (Symbol->st_other == 0)
3694 // Usually st_other flag is zero. Do not pollute the output
3695 // by flags enumeration in that case.
3696 W.printNumber("Other", 0);
3698 std::vector<EnumEntry<unsigned>> SymOtherFlags(std::begin(ElfSymOtherFlags),
3699 std::end(ElfSymOtherFlags));
3700 if (Obj->getHeader()->e_machine == EM_MIPS) {
3701 // Someones in their infinite wisdom decided to make STO_MIPS_MIPS16
3702 // flag overlapped with other ST_MIPS_xxx flags. So consider both
3703 // cases separately.
3704 if ((Symbol->st_other & STO_MIPS_MIPS16) == STO_MIPS_MIPS16)
3705 SymOtherFlags.insert(SymOtherFlags.end(),
3706 std::begin(ElfMips16SymOtherFlags),
3707 std::end(ElfMips16SymOtherFlags));
3709 SymOtherFlags.insert(SymOtherFlags.end(),
3710 std::begin(ElfMipsSymOtherFlags),
3711 std::end(ElfMipsSymOtherFlags));
3713 W.printFlags("Other", Symbol->st_other, makeArrayRef(SymOtherFlags), 0x3u);
3715 W.printHex("Section", SectionName, SectionIndex);
3718 template <class ELFT> void LLVMStyle<ELFT>::printSymbols(const ELFO *Obj) {
3719 ListScope Group(W, "Symbols");
3720 this->dumper()->printSymbolsHelper(false);
3723 template <class ELFT>
3724 void LLVMStyle<ELFT>::printDynamicSymbols(const ELFO *Obj) {
3725 ListScope Group(W, "DynamicSymbols");
3726 this->dumper()->printSymbolsHelper(true);
3729 template <class ELFT>
3730 void LLVMStyle<ELFT>::printDynamicRelocations(const ELFO *Obj) {
3731 const DynRegionInfo &DynRelRegion = this->dumper()->getDynRelRegion();
3732 const DynRegionInfo &DynRelaRegion = this->dumper()->getDynRelaRegion();
3733 const DynRegionInfo &DynPLTRelRegion = this->dumper()->getDynPLTRelRegion();
3734 if (DynRelRegion.Size && DynRelaRegion.Size)
3735 report_fatal_error("There are both REL and RELA dynamic relocations");
3736 W.startLine() << "Dynamic Relocations {\n";
3738 if (DynRelaRegion.Size > 0)
3739 for (const Elf_Rela &Rela : this->dumper()->dyn_relas())
3740 printDynamicRelocation(Obj, Rela);
3742 for (const Elf_Rel &Rel : this->dumper()->dyn_rels()) {
3744 Rela.r_offset = Rel.r_offset;
3745 Rela.r_info = Rel.r_info;
3747 printDynamicRelocation(Obj, Rela);
3749 if (DynPLTRelRegion.EntSize == sizeof(Elf_Rela))
3750 for (const Elf_Rela &Rela : DynPLTRelRegion.getAsArrayRef<Elf_Rela>())
3751 printDynamicRelocation(Obj, Rela);
3753 for (const Elf_Rel &Rel : DynPLTRelRegion.getAsArrayRef<Elf_Rel>()) {
3755 Rela.r_offset = Rel.r_offset;
3756 Rela.r_info = Rel.r_info;
3758 printDynamicRelocation(Obj, Rela);
3761 W.startLine() << "}\n";
3764 template <class ELFT>
3765 void LLVMStyle<ELFT>::printDynamicRelocation(const ELFO *Obj, Elf_Rela Rel) {
3766 SmallString<32> RelocName;
3767 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
3768 StringRef SymbolName;
3769 uint32_t SymIndex = Rel.getSymbol(Obj->isMips64EL());
3770 const Elf_Sym *Sym = this->dumper()->dynamic_symbols().begin() + SymIndex;
3772 unwrapOrError(Sym->getName(this->dumper()->getDynamicStringTable()));
3773 if (opts::ExpandRelocs) {
3774 DictScope Group(W, "Relocation");
3775 W.printHex("Offset", Rel.r_offset);
3776 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
3777 W.printString("Symbol", !SymbolName.empty() ? SymbolName : "-");
3778 W.printHex("Addend", Rel.r_addend);
3780 raw_ostream &OS = W.startLine();
3781 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
3782 << (!SymbolName.empty() ? SymbolName : "-") << " "
3783 << W.hex(Rel.r_addend) << "\n";
3787 template <class ELFT>
3788 void LLVMStyle<ELFT>::printProgramHeaders(const ELFO *Obj) {
3789 ListScope L(W, "ProgramHeaders");
3791 for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
3792 DictScope P(W, "ProgramHeader");
3794 getElfSegmentType(Obj->getHeader()->e_machine, Phdr.p_type),
3796 W.printHex("Offset", Phdr.p_offset);
3797 W.printHex("VirtualAddress", Phdr.p_vaddr);
3798 W.printHex("PhysicalAddress", Phdr.p_paddr);
3799 W.printNumber("FileSize", Phdr.p_filesz);
3800 W.printNumber("MemSize", Phdr.p_memsz);
3801 W.printFlags("Flags", Phdr.p_flags, makeArrayRef(ElfSegmentFlags));
3802 W.printNumber("Alignment", Phdr.p_align);
3806 template <class ELFT>
3807 void LLVMStyle<ELFT>::printHashHistogram(const ELFFile<ELFT> *Obj) {
3808 W.startLine() << "Hash Histogram not implemented!\n";
3811 template <class ELFT>
3812 void LLVMStyle<ELFT>::printNotes(const ELFFile<ELFT> *Obj) {
3813 W.startLine() << "printNotes not implemented!\n";