1 //===-- ELFDumper.cpp - ELF-specific dumper ---------------------*- C++ -*-===//
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 "llvm-readobj.h"
16 #include "ARMAttributeParser.h"
17 #include "ARMEHABIPrinter.h"
19 #include "ObjDumper.h"
20 #include "StackMapPrinter.h"
21 #include "StreamWriter.h"
22 #include "llvm/ADT/Optional.h"
23 #include "llvm/ADT/SmallString.h"
24 #include "llvm/ADT/StringExtras.h"
25 #include "llvm/Object/ELFObjectFile.h"
26 #include "llvm/Support/ARMBuildAttributes.h"
27 #include "llvm/Support/Compiler.h"
28 #include "llvm/Support/Format.h"
29 #include "llvm/Support/MathExtras.h"
30 #include "llvm/Support/MipsABIFlags.h"
31 #include "llvm/Support/raw_ostream.h"
32 #include "llvm/Support/FormattedStream.h"
35 using namespace llvm::object;
38 #define LLVM_READOBJ_ENUM_CASE(ns, enum) \
39 case ns::enum: return #enum;
41 #define ENUM_ENT(enum, altName) \
42 { #enum, altName, ELF::enum }
44 #define ENUM_ENT_1(enum) \
45 { #enum, #enum, ELF::enum }
49 template <class ELFT> class DumpStyle;
51 /// Represents a contiguous uniform range in the file. We cannot just create a
52 /// range directly because when creating one of these from the .dynamic table
53 /// the size, entity size and virtual address are different entries in arbitrary
54 /// order (DT_REL, DT_RELSZ, DT_RELENT for example).
55 struct DynRegionInfo {
56 DynRegionInfo() : Addr(nullptr), Size(0), EntSize(0) {}
57 DynRegionInfo(const void *A, uint64_t S, uint64_t ES)
58 : Addr(A), Size(S), EntSize(ES) {}
59 /// \brief Address in current address space.
61 /// \brief Size in bytes of the region.
63 /// \brief Size of each entity in the region.
66 template <typename Type> iterator_range<const Type *> getAsRange() const {
67 const Type *Start = reinterpret_cast<const Type *>(Addr);
69 return {Start, Start};
70 if (EntSize != sizeof(Type) || Size % EntSize)
71 reportError("Invalid entity size");
72 return {Start, Start + (Size / EntSize)};
76 template<typename ELFT>
77 class ELFDumper : public ObjDumper {
79 ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer);
81 void printFileHeaders() override;
82 void printSections() override;
83 void printRelocations() override;
84 void printDynamicRelocations() override;
85 void printSymbols() override;
86 void printDynamicSymbols() override;
87 void printUnwindInfo() override;
89 void printDynamicTable() override;
90 void printNeededLibraries() override;
91 void printProgramHeaders() override;
92 void printHashTable() override;
93 void printGnuHashTable() override;
94 void printLoadName() override;
95 void printVersionInfo() override;
96 void printGroupSections() override;
98 void printAttributes() override;
99 void printMipsPLTGOT() override;
100 void printMipsABIFlags() override;
101 void printMipsReginfo() override;
103 void printStackMap() const override;
106 std::unique_ptr<DumpStyle<ELFT>> ELFDumperStyle;
107 typedef ELFFile<ELFT> ELFO;
108 typedef typename ELFO::Elf_Shdr Elf_Shdr;
109 typedef typename ELFO::Elf_Sym Elf_Sym;
110 typedef typename ELFO::Elf_Sym_Range Elf_Sym_Range;
111 typedef typename ELFO::Elf_Dyn Elf_Dyn;
112 typedef typename ELFO::Elf_Dyn_Range Elf_Dyn_Range;
113 typedef typename ELFO::Elf_Rel Elf_Rel;
114 typedef typename ELFO::Elf_Rela Elf_Rela;
115 typedef typename ELFO::Elf_Rel_Range Elf_Rel_Range;
116 typedef typename ELFO::Elf_Rela_Range Elf_Rela_Range;
117 typedef typename ELFO::Elf_Phdr Elf_Phdr;
118 typedef typename ELFO::Elf_Half Elf_Half;
119 typedef typename ELFO::Elf_Hash Elf_Hash;
120 typedef typename ELFO::Elf_GnuHash Elf_GnuHash;
121 typedef typename ELFO::Elf_Ehdr Elf_Ehdr;
122 typedef typename ELFO::Elf_Word Elf_Word;
123 typedef typename ELFO::uintX_t uintX_t;
124 typedef typename ELFO::Elf_Versym Elf_Versym;
125 typedef typename ELFO::Elf_Verneed Elf_Verneed;
126 typedef typename ELFO::Elf_Vernaux Elf_Vernaux;
127 typedef typename ELFO::Elf_Verdef Elf_Verdef;
128 typedef typename ELFO::Elf_Verdaux Elf_Verdaux;
130 DynRegionInfo checkDRI(DynRegionInfo DRI) {
131 if (DRI.Addr < Obj->base() ||
132 (const uint8_t *)DRI.Addr + DRI.Size > Obj->base() + Obj->getBufSize())
133 error(llvm::object::object_error::parse_failed);
137 DynRegionInfo createDRIFrom(const Elf_Phdr *P, uintX_t EntSize) {
138 return checkDRI({Obj->base() + P->p_offset, P->p_filesz, EntSize});
141 DynRegionInfo createDRIFrom(const Elf_Shdr *S) {
142 return checkDRI({Obj->base() + S->sh_offset, S->sh_size, S->sh_entsize});
145 void parseDynamicTable(ArrayRef<const Elf_Phdr *> LoadSegments);
147 void printSymbolsHelper(bool IsDynamic);
148 void printSymbol(const Elf_Sym *Symbol, const Elf_Sym *FirstSym,
149 StringRef StrTable, bool IsDynamic);
151 void printDynamicRelocation(Elf_Rela Rel);
152 void printRelocations(const Elf_Shdr *Sec);
153 void printRelocation(Elf_Rela Rel, const Elf_Shdr *SymTab);
154 void printValue(uint64_t Type, uint64_t Value);
156 Elf_Rel_Range dyn_rels() const;
157 Elf_Rela_Range dyn_relas() const;
158 StringRef getDynamicString(uint64_t Offset) const;
159 StringRef getSymbolVersion(StringRef StrTab, const Elf_Sym *symb,
161 void LoadVersionMap();
162 void LoadVersionNeeds(const Elf_Shdr *ec) const;
163 void LoadVersionDefs(const Elf_Shdr *sec) const;
166 DynRegionInfo DynRelRegion;
167 DynRegionInfo DynRelaRegion;
168 DynRegionInfo DynPLTRelRegion;
169 DynRegionInfo DynSymRegion;
170 DynRegionInfo DynamicTable;
171 StringRef DynamicStringTable;
173 const Elf_Hash *HashTable = nullptr;
174 const Elf_GnuHash *GnuHashTable = nullptr;
175 const Elf_Shdr *DotSymtabSec = nullptr;
176 ArrayRef<Elf_Word> ShndxTable;
178 const Elf_Shdr *dot_gnu_version_sec = nullptr; // .gnu.version
179 const Elf_Shdr *dot_gnu_version_r_sec = nullptr; // .gnu.version_r
180 const Elf_Shdr *dot_gnu_version_d_sec = nullptr; // .gnu.version_d
182 // Records for each version index the corresponding Verdef or Vernaux entry.
183 // This is filled the first time LoadVersionMap() is called.
184 class VersionMapEntry : public PointerIntPair<const void *, 1> {
186 // If the integer is 0, this is an Elf_Verdef*.
187 // If the integer is 1, this is an Elf_Vernaux*.
188 VersionMapEntry() : PointerIntPair<const void *, 1>(nullptr, 0) {}
189 VersionMapEntry(const Elf_Verdef *verdef)
190 : PointerIntPair<const void *, 1>(verdef, 0) {}
191 VersionMapEntry(const Elf_Vernaux *vernaux)
192 : PointerIntPair<const void *, 1>(vernaux, 1) {}
193 bool isNull() const { return getPointer() == nullptr; }
194 bool isVerdef() const { return !isNull() && getInt() == 0; }
195 bool isVernaux() const { return !isNull() && getInt() == 1; }
196 const Elf_Verdef *getVerdef() const {
197 return isVerdef() ? (const Elf_Verdef *)getPointer() : nullptr;
199 const Elf_Vernaux *getVernaux() const {
200 return isVernaux() ? (const Elf_Vernaux *)getPointer() : nullptr;
203 mutable SmallVector<VersionMapEntry, 16> VersionMap;
206 Elf_Dyn_Range dynamic_table() const {
207 return DynamicTable.getAsRange<Elf_Dyn>();
210 Elf_Sym_Range dynamic_symbols() const {
211 return DynSymRegion.getAsRange<Elf_Sym>();
214 std::string getFullSymbolName(const Elf_Sym *Symbol, StringRef StrTable,
216 const Elf_Shdr *getDotSymtabSec() const { return DotSymtabSec; }
217 ArrayRef<Elf_Word> getShndxTable() { return ShndxTable; }
218 StringRef getDynamicStringTable() const { return DynamicStringTable; }
221 template <typename ELFT> class DumpStyle {
223 virtual void printFileHeaders(const ELFFile<ELFT> *Obj) = 0;
224 virtual ~DumpStyle() { }
227 template <typename ELFT> class GNUStyle : public DumpStyle<ELFT> {
228 formatted_raw_ostream OS;
231 typedef typename ELFFile<ELFT>::Elf_Ehdr Elf_Ehdr;
232 GNUStyle(StreamWriter &W) : OS(W.getOStream()) {}
233 void printFileHeaders(const ELFFile<ELFT> *Obj) override;
236 template <typename T, typename TEnum>
237 std::string printEnum(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues) {
238 for (const auto &EnumItem : EnumValues)
239 if (EnumItem.Value == Value)
240 return EnumItem.AltName;
241 return to_hexString(Value);
245 template <typename ELFT> class LLVMStyle : public DumpStyle<ELFT> {
247 typedef typename ELFFile<ELFT>::Elf_Ehdr Elf_Ehdr;
248 LLVMStyle(StreamWriter &W) : W(W) {}
250 void printFileHeaders(const ELFFile<ELFT> *Obj) override;
260 template <class ELFT>
261 static std::error_code createELFDumper(const ELFFile<ELFT> *Obj,
262 StreamWriter &Writer,
263 std::unique_ptr<ObjDumper> &Result) {
264 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
265 return readobj_error::success;
268 std::error_code createELFDumper(const object::ObjectFile *Obj,
269 StreamWriter &Writer,
270 std::unique_ptr<ObjDumper> &Result) {
271 // Little-endian 32-bit
272 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
273 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
276 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
277 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
279 // Little-endian 64-bit
280 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
281 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
284 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
285 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
287 return readobj_error::unsupported_obj_file_format;
292 // Iterate through the versions needed section, and place each Elf_Vernaux
293 // in the VersionMap according to its index.
294 template <class ELFT>
295 void ELFDumper<ELFT>::LoadVersionNeeds(const Elf_Shdr *sec) const {
296 unsigned vn_size = sec->sh_size; // Size of section in bytes
297 unsigned vn_count = sec->sh_info; // Number of Verneed entries
298 const char *sec_start = (const char *)Obj->base() + sec->sh_offset;
299 const char *sec_end = sec_start + vn_size;
300 // The first Verneed entry is at the start of the section.
301 const char *p = sec_start;
302 for (unsigned i = 0; i < vn_count; i++) {
303 if (p + sizeof(Elf_Verneed) > sec_end)
304 report_fatal_error("Section ended unexpectedly while scanning "
305 "version needed records.");
306 const Elf_Verneed *vn = reinterpret_cast<const Elf_Verneed *>(p);
307 if (vn->vn_version != ELF::VER_NEED_CURRENT)
308 report_fatal_error("Unexpected verneed version");
309 // Iterate through the Vernaux entries
310 const char *paux = p + vn->vn_aux;
311 for (unsigned j = 0; j < vn->vn_cnt; j++) {
312 if (paux + sizeof(Elf_Vernaux) > sec_end)
313 report_fatal_error("Section ended unexpected while scanning auxiliary "
314 "version needed records.");
315 const Elf_Vernaux *vna = reinterpret_cast<const Elf_Vernaux *>(paux);
316 size_t index = vna->vna_other & ELF::VERSYM_VERSION;
317 if (index >= VersionMap.size())
318 VersionMap.resize(index + 1);
319 VersionMap[index] = VersionMapEntry(vna);
320 paux += vna->vna_next;
326 // Iterate through the version definitions, and place each Elf_Verdef
327 // in the VersionMap according to its index.
328 template <class ELFT>
329 void ELFDumper<ELFT>::LoadVersionDefs(const Elf_Shdr *sec) const {
330 unsigned vd_size = sec->sh_size; // Size of section in bytes
331 unsigned vd_count = sec->sh_info; // Number of Verdef entries
332 const char *sec_start = (const char *)Obj->base() + sec->sh_offset;
333 const char *sec_end = sec_start + vd_size;
334 // The first Verdef entry is at the start of the section.
335 const char *p = sec_start;
336 for (unsigned i = 0; i < vd_count; i++) {
337 if (p + sizeof(Elf_Verdef) > sec_end)
338 report_fatal_error("Section ended unexpectedly while scanning "
339 "version definitions.");
340 const Elf_Verdef *vd = reinterpret_cast<const Elf_Verdef *>(p);
341 if (vd->vd_version != ELF::VER_DEF_CURRENT)
342 report_fatal_error("Unexpected verdef version");
343 size_t index = vd->vd_ndx & ELF::VERSYM_VERSION;
344 if (index >= VersionMap.size())
345 VersionMap.resize(index + 1);
346 VersionMap[index] = VersionMapEntry(vd);
351 template <class ELFT> void ELFDumper<ELFT>::LoadVersionMap() {
352 // If there is no dynamic symtab or version table, there is nothing to do.
353 if (!DynSymRegion.Addr || !dot_gnu_version_sec)
356 // Has the VersionMap already been loaded?
357 if (VersionMap.size() > 0)
360 // The first two version indexes are reserved.
361 // Index 0 is LOCAL, index 1 is GLOBAL.
362 VersionMap.push_back(VersionMapEntry());
363 VersionMap.push_back(VersionMapEntry());
365 if (dot_gnu_version_d_sec)
366 LoadVersionDefs(dot_gnu_version_d_sec);
368 if (dot_gnu_version_r_sec)
369 LoadVersionNeeds(dot_gnu_version_r_sec);
373 template <typename ELFO, class ELFT>
374 static void printVersionSymbolSection(ELFDumper<ELFT> *Dumper,
376 const typename ELFO::Elf_Shdr *Sec,
378 DictScope SS(W, "Version symbols");
381 StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
382 W.printNumber("Section Name", Name, Sec->sh_name);
383 W.printHex("Address", Sec->sh_addr);
384 W.printHex("Offset", Sec->sh_offset);
385 W.printNumber("Link", Sec->sh_link);
387 const uint8_t *P = (const uint8_t *)Obj->base() + Sec->sh_offset;
388 StringRef StrTable = Dumper->getDynamicStringTable();
390 // Same number of entries in the dynamic symbol table (DT_SYMTAB).
391 ListScope Syms(W, "Symbols");
392 for (const typename ELFO::Elf_Sym &Sym : Dumper->dynamic_symbols()) {
393 DictScope S(W, "Symbol");
394 std::string FullSymbolName =
395 Dumper->getFullSymbolName(&Sym, StrTable, true /* IsDynamic */);
396 W.printNumber("Version", *P);
397 W.printString("Name", FullSymbolName);
398 P += sizeof(typename ELFO::Elf_Half);
402 template <typename ELFO, class ELFT>
403 static void printVersionDefinitionSection(ELFDumper<ELFT> *Dumper,
405 const typename ELFO::Elf_Shdr *Sec,
407 DictScope SD(W, "Version definition");
410 StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
411 W.printNumber("Section Name", Name, Sec->sh_name);
412 W.printHex("Address", Sec->sh_addr);
413 W.printHex("Offset", Sec->sh_offset);
414 W.printNumber("Link", Sec->sh_link);
416 unsigned verdef_entries = 0;
417 // The number of entries in the section SHT_GNU_verdef
418 // is determined by DT_VERDEFNUM tag.
419 for (const typename ELFO::Elf_Dyn &Dyn : Dumper->dynamic_table()) {
420 if (Dyn.d_tag == DT_VERDEFNUM)
421 verdef_entries = Dyn.d_un.d_val;
423 const uint8_t *SecStartAddress =
424 (const uint8_t *)Obj->base() + Sec->sh_offset;
425 const uint8_t *SecEndAddress = SecStartAddress + Sec->sh_size;
426 const uint8_t *P = SecStartAddress;
427 const typename ELFO::Elf_Shdr *StrTab =
428 unwrapOrError(Obj->getSection(Sec->sh_link));
430 ListScope Entries(W, "Entries");
431 for (unsigned i = 0; i < verdef_entries; ++i) {
432 if (P + sizeof(typename ELFO::Elf_Verdef) > SecEndAddress)
433 report_fatal_error("invalid offset in the section");
434 auto *VD = reinterpret_cast<const typename ELFO::Elf_Verdef *>(P);
435 DictScope Entry(W, "Entry");
436 W.printHex("Offset", (uintptr_t)P - (uintptr_t)SecStartAddress);
437 W.printNumber("Rev", VD->vd_version);
438 // FIXME: print something more readable.
439 W.printNumber("Flags", VD->vd_flags);
440 W.printNumber("Index", VD->vd_ndx);
441 W.printNumber("Cnt", VD->vd_cnt);
442 W.printString("Name",
443 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
444 VD->getAux()->vda_name)));
449 template <typename ELFT> void ELFDumper<ELFT>::printVersionInfo() {
450 // Dump version symbol section.
451 printVersionSymbolSection(this, Obj, dot_gnu_version_sec, W);
453 // Dump version definition section.
454 printVersionDefinitionSection(this, Obj, dot_gnu_version_d_sec, W);
457 template <typename ELFT>
458 StringRef ELFDumper<ELFT>::getSymbolVersion(StringRef StrTab,
461 // This is a dynamic symbol. Look in the GNU symbol version table.
462 if (!dot_gnu_version_sec) {
465 return StringRef("");
468 // Determine the position in the symbol table of this entry.
469 size_t entry_index = (reinterpret_cast<uintptr_t>(symb) -
470 reinterpret_cast<uintptr_t>(DynSymRegion.Addr)) /
473 // Get the corresponding version index entry
474 const Elf_Versym *vs =
475 Obj->template getEntry<Elf_Versym>(dot_gnu_version_sec, entry_index);
476 size_t version_index = vs->vs_index & ELF::VERSYM_VERSION;
478 // Special markers for unversioned symbols.
479 if (version_index == ELF::VER_NDX_LOCAL ||
480 version_index == ELF::VER_NDX_GLOBAL) {
482 return StringRef("");
485 // Lookup this symbol in the version table
487 if (version_index >= VersionMap.size() || VersionMap[version_index].isNull())
488 reportError("Invalid version entry");
489 const VersionMapEntry &entry = VersionMap[version_index];
491 // Get the version name string
493 if (entry.isVerdef()) {
494 // The first Verdaux entry holds the name.
495 name_offset = entry.getVerdef()->getAux()->vda_name;
496 IsDefault = !(vs->vs_index & ELF::VERSYM_HIDDEN);
498 name_offset = entry.getVernaux()->vna_name;
501 if (name_offset >= StrTab.size())
502 reportError("Invalid string offset");
503 return StringRef(StrTab.data() + name_offset);
506 template <typename ELFT>
507 std::string ELFDumper<ELFT>::getFullSymbolName(const Elf_Sym *Symbol,
510 StringRef SymbolName = unwrapOrError(Symbol->getName(StrTable));
514 std::string FullSymbolName(SymbolName);
517 StringRef Version = getSymbolVersion(StrTable, &*Symbol, IsDefault);
518 FullSymbolName += (IsDefault ? "@@" : "@");
519 FullSymbolName += Version;
520 return FullSymbolName;
523 template <typename ELFO>
525 getSectionNameIndex(const ELFO &Obj, const typename ELFO::Elf_Sym *Symbol,
526 const typename ELFO::Elf_Sym *FirstSym,
527 ArrayRef<typename ELFO::Elf_Word> ShndxTable,
528 StringRef &SectionName, unsigned &SectionIndex) {
529 SectionIndex = Symbol->st_shndx;
530 if (Symbol->isUndefined())
531 SectionName = "Undefined";
532 else if (Symbol->isProcessorSpecific())
533 SectionName = "Processor Specific";
534 else if (Symbol->isOSSpecific())
535 SectionName = "Operating System Specific";
536 else if (Symbol->isAbsolute())
537 SectionName = "Absolute";
538 else if (Symbol->isCommon())
539 SectionName = "Common";
540 else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
541 SectionName = "Reserved";
543 if (SectionIndex == SHN_XINDEX)
545 Obj.getExtendedSymbolTableIndex(Symbol, FirstSym, ShndxTable);
546 const typename ELFO::Elf_Shdr *Sec =
547 unwrapOrError(Obj.getSection(SectionIndex));
548 SectionName = unwrapOrError(Obj.getSectionName(Sec));
552 template <class ELFO>
553 static const typename ELFO::Elf_Shdr *
554 findNotEmptySectionByAddress(const ELFO *Obj, uint64_t Addr) {
555 for (const auto &Shdr : Obj->sections())
556 if (Shdr.sh_addr == Addr && Shdr.sh_size > 0)
561 template <class ELFO>
562 static const typename ELFO::Elf_Shdr *findSectionByName(const ELFO &Obj,
564 for (const auto &Shdr : Obj.sections()) {
565 if (Name == unwrapOrError(Obj.getSectionName(&Shdr)))
571 static const EnumEntry<unsigned> ElfClass[] = {
572 {"None", "none", ELF::ELFCLASSNONE},
573 {"32-bit", "ELF32", ELF::ELFCLASS32},
574 {"64-bit", "ELF64", ELF::ELFCLASS64},
577 static const EnumEntry<unsigned> ElfDataEncoding[] = {
578 {"None", "none", ELF::ELFDATANONE},
579 {"LittleEndian", "2's complement, little endian", ELF::ELFDATA2LSB},
580 {"BigEndian", "2's complement, big endian", ELF::ELFDATA2MSB},
583 static const EnumEntry<unsigned> ElfObjectFileType[] = {
584 {"None", "NONE (none)", ELF::ET_NONE},
585 {"Relocatable", "REL (Relocatable file)", ELF::ET_REL},
586 {"Executable", "EXEC (Executable file)", ELF::ET_EXEC},
587 {"SharedObject", "DYN (Shared object file)", ELF::ET_DYN},
588 {"Core", "CORE (Core file)", ELF::ET_CORE},
591 static const EnumEntry<unsigned> ElfOSABI[] = {
592 {"SystemV", "UNIX - System V", ELF::ELFOSABI_NONE},
593 {"HPUX", "UNIX - HP-UX", ELF::ELFOSABI_HPUX},
594 {"NetBSD", "UNIX - NetBSD", ELF::ELFOSABI_NETBSD},
595 {"GNU/Linux", "UNIX - GNU", ELF::ELFOSABI_LINUX},
596 {"GNU/Hurd", "GNU/Hurd", ELF::ELFOSABI_HURD},
597 {"Solaris", "UNIX - Solaris", ELF::ELFOSABI_SOLARIS},
598 {"AIX", "UNIX - AIX", ELF::ELFOSABI_AIX},
599 {"IRIX", "UNIX - IRIX", ELF::ELFOSABI_IRIX},
600 {"FreeBSD", "UNIX - FreeBSD", ELF::ELFOSABI_FREEBSD},
601 {"TRU64", "UNIX - TRU64", ELF::ELFOSABI_TRU64},
602 {"Modesto", "Novell - Modesto", ELF::ELFOSABI_MODESTO},
603 {"OpenBSD", "UNIX - OpenBSD", ELF::ELFOSABI_OPENBSD},
604 {"OpenVMS", "VMS - OpenVMS", ELF::ELFOSABI_OPENVMS},
605 {"NSK", "HP - Non-Stop Kernel", ELF::ELFOSABI_NSK},
606 {"AROS", "AROS", ELF::ELFOSABI_AROS},
607 {"FenixOS", "FenixOS", ELF::ELFOSABI_FENIXOS},
608 {"CloudABI", "CloudABI", ELF::ELFOSABI_CLOUDABI},
609 {"C6000_ELFABI", "Bare-metal C6000", ELF::ELFOSABI_C6000_ELFABI},
610 {"C6000_LINUX", "Linux C6000", ELF::ELFOSABI_C6000_LINUX},
611 {"ARM", "ARM", ELF::ELFOSABI_ARM},
612 {"Standalone", "Standalone App", ELF::ELFOSABI_STANDALONE}
615 static const EnumEntry<unsigned> ElfMachineType[] = {
616 ENUM_ENT(EM_NONE, "None"),
617 ENUM_ENT(EM_M32, "WE32100"),
618 ENUM_ENT(EM_SPARC, "Sparc"),
619 ENUM_ENT(EM_386, "Intel 80386"),
620 ENUM_ENT(EM_68K, "MC68000"),
621 ENUM_ENT(EM_88K, "MC88000"),
622 ENUM_ENT(EM_IAMCU, "EM_IAMCU"),
623 ENUM_ENT(EM_860, "Intel 80860"),
624 ENUM_ENT(EM_MIPS, "MIPS R3000"),
625 ENUM_ENT(EM_S370, "IBM System/370"),
626 ENUM_ENT(EM_MIPS_RS3_LE, "MIPS R3000 little-endian"),
627 ENUM_ENT(EM_PARISC, "HPPA"),
628 ENUM_ENT(EM_VPP500, "Fujitsu VPP500"),
629 ENUM_ENT(EM_SPARC32PLUS, "Sparc v8+"),
630 ENUM_ENT(EM_960, "Intel 80960"),
631 ENUM_ENT(EM_PPC, "PowerPC"),
632 ENUM_ENT(EM_PPC64, "PowerPC64"),
633 ENUM_ENT(EM_S390, "IBM S/390"),
634 ENUM_ENT(EM_SPU, "SPU"),
635 ENUM_ENT(EM_V800, "NEC V800 series"),
636 ENUM_ENT(EM_FR20, "Fujistsu FR20"),
637 ENUM_ENT(EM_RH32, "TRW RH-32"),
638 ENUM_ENT(EM_RCE, "Motorola RCE"),
639 ENUM_ENT(EM_ARM, "ARM"),
640 ENUM_ENT(EM_ALPHA, "EM_ALPHA"),
641 ENUM_ENT(EM_SH, "Hitachi SH"),
642 ENUM_ENT(EM_SPARCV9, "Sparc v9"),
643 ENUM_ENT(EM_TRICORE, "Siemens Tricore"),
644 ENUM_ENT(EM_ARC, "ARC"),
645 ENUM_ENT(EM_H8_300, "Hitachi H8/300"),
646 ENUM_ENT(EM_H8_300H, "Hitachi H8/300H"),
647 ENUM_ENT(EM_H8S, "Hitachi H8S"),
648 ENUM_ENT(EM_H8_500, "Hitachi H8/500"),
649 ENUM_ENT(EM_IA_64, "Intel IA-64"),
650 ENUM_ENT(EM_MIPS_X, "Stanford MIPS-X"),
651 ENUM_ENT(EM_COLDFIRE, "Motorola Coldfire"),
652 ENUM_ENT(EM_68HC12, "Motorola MC68HC12 Microcontroller"),
653 ENUM_ENT(EM_MMA, "Fujitsu Multimedia Accelerator"),
654 ENUM_ENT(EM_PCP, "Siemens PCP"),
655 ENUM_ENT(EM_NCPU, "Sony nCPU embedded RISC processor"),
656 ENUM_ENT(EM_NDR1, "Denso NDR1 microprocesspr"),
657 ENUM_ENT(EM_STARCORE, "Motorola Star*Core processor"),
658 ENUM_ENT(EM_ME16, "Toyota ME16 processor"),
659 ENUM_ENT(EM_ST100, "STMicroelectronics ST100 processor"),
660 ENUM_ENT(EM_TINYJ, "Advanced Logic Corp. TinyJ embedded processor"),
661 ENUM_ENT(EM_X86_64, "Advanced Micro Devices X86-64"),
662 ENUM_ENT(EM_PDSP, "Sony DSP processor"),
663 ENUM_ENT(EM_PDP10, "Digital Equipment Corp. PDP-10"),
664 ENUM_ENT(EM_PDP11, "Digital Equipment Corp. PDP-11"),
665 ENUM_ENT(EM_FX66, "Siemens FX66 microcontroller"),
666 ENUM_ENT(EM_ST9PLUS, "STMicroelectronics ST9+ 8/16 bit microcontroller"),
667 ENUM_ENT(EM_ST7, "STMicroelectronics ST7 8-bit microcontroller"),
668 ENUM_ENT(EM_68HC16, "Motorola MC68HC16 Microcontroller"),
669 ENUM_ENT(EM_68HC11, "Motorola MC68HC11 Microcontroller"),
670 ENUM_ENT(EM_68HC08, "Motorola MC68HC08 Microcontroller"),
671 ENUM_ENT(EM_68HC05, "Motorola MC68HC05 Microcontroller"),
672 ENUM_ENT(EM_SVX, "Silicon Graphics SVx"),
673 ENUM_ENT(EM_ST19, "STMicroelectronics ST19 8-bit microcontroller"),
674 ENUM_ENT(EM_VAX, "Digital VAX"),
675 ENUM_ENT(EM_CRIS, "Axis Communications 32-bit embedded processor"),
676 ENUM_ENT(EM_JAVELIN, "Infineon Technologies 32-bit embedded cpu"),
677 ENUM_ENT(EM_FIREPATH, "Element 14 64-bit DSP processor"),
678 ENUM_ENT(EM_ZSP, "LSI Logic's 16-bit DSP processor"),
679 ENUM_ENT(EM_MMIX, "Donald Knuth's educational 64-bit processor"),
680 ENUM_ENT(EM_HUANY, "Harvard Universitys's machine-independent object format"),
681 ENUM_ENT(EM_PRISM, "Vitesse Prism"),
682 ENUM_ENT(EM_AVR, "Atmel AVR 8-bit microcontroller"),
683 ENUM_ENT(EM_FR30, "Fujitsu FR30"),
684 ENUM_ENT(EM_D10V, "Mitsubishi D10V"),
685 ENUM_ENT(EM_D30V, "Mitsubishi D30V"),
686 ENUM_ENT(EM_V850, "NEC v850"),
687 ENUM_ENT(EM_M32R, "Renesas M32R (formerly Mitsubishi M32r)"),
688 ENUM_ENT(EM_MN10300, "Matsushita MN10300"),
689 ENUM_ENT(EM_MN10200, "Matsushita MN10200"),
690 ENUM_ENT(EM_PJ, "picoJava"),
691 ENUM_ENT(EM_OPENRISC, "OpenRISC 32-bit embedded processor"),
692 ENUM_ENT(EM_ARC_COMPACT, "EM_ARC_COMPACT"),
693 ENUM_ENT(EM_XTENSA, "Tensilica Xtensa Processor"),
694 ENUM_ENT(EM_VIDEOCORE, "Alphamosaic VideoCore processor"),
695 ENUM_ENT(EM_TMM_GPP, "Thompson Multimedia General Purpose Processor"),
696 ENUM_ENT(EM_NS32K, "National Semiconductor 32000 series"),
697 ENUM_ENT(EM_TPC, "Tenor Network TPC processor"),
698 ENUM_ENT(EM_SNP1K, "EM_SNP1K"),
699 ENUM_ENT(EM_ST200, "STMicroelectronics ST200 microcontroller"),
700 ENUM_ENT(EM_IP2K, "Ubicom IP2xxx 8-bit microcontrollers"),
701 ENUM_ENT(EM_MAX, "MAX Processor"),
702 ENUM_ENT(EM_CR, "National Semiconductor CompactRISC"),
703 ENUM_ENT(EM_F2MC16, "Fujitsu F2MC16"),
704 ENUM_ENT(EM_MSP430, "Texas Instruments msp430 microcontroller"),
705 ENUM_ENT(EM_BLACKFIN, "Analog Devices Blackfin"),
706 ENUM_ENT(EM_SE_C33, "S1C33 Family of Seiko Epson processors"),
707 ENUM_ENT(EM_SEP, "Sharp embedded microprocessor"),
708 ENUM_ENT(EM_ARCA, "Arca RISC microprocessor"),
709 ENUM_ENT(EM_UNICORE, "Unicore"),
710 ENUM_ENT(EM_EXCESS, "eXcess 16/32/64-bit configurable embedded CPU"),
711 ENUM_ENT(EM_DXP, "Icera Semiconductor Inc. Deep Execution Processor"),
712 ENUM_ENT(EM_ALTERA_NIOS2, "Altera Nios"),
713 ENUM_ENT(EM_CRX, "National Semiconductor CRX microprocessor"),
714 ENUM_ENT(EM_XGATE, "Motorola XGATE embedded processor"),
715 ENUM_ENT(EM_C166, "Infineon Technologies xc16x"),
716 ENUM_ENT(EM_M16C, "Renesas M16C"),
717 ENUM_ENT(EM_DSPIC30F, "Microchip Technology dsPIC30F Digital Signal Controller"),
718 ENUM_ENT(EM_CE, "Freescale Communication Engine RISC core"),
719 ENUM_ENT(EM_M32C, "Renesas M32C"),
720 ENUM_ENT(EM_TSK3000, "Altium TSK3000 core"),
721 ENUM_ENT(EM_RS08, "Freescale RS08 embedded processor"),
722 ENUM_ENT(EM_SHARC, "EM_SHARC"),
723 ENUM_ENT(EM_ECOG2, "Cyan Technology eCOG2 microprocessor"),
724 ENUM_ENT(EM_SCORE7, "SUNPLUS S+Core"),
725 ENUM_ENT(EM_DSP24, "New Japan Radio (NJR) 24-bit DSP Processor"),
726 ENUM_ENT(EM_VIDEOCORE3, "Broadcom VideoCore III processor"),
727 ENUM_ENT(EM_LATTICEMICO32, "Lattice Mico32"),
728 ENUM_ENT(EM_SE_C17, "Seiko Epson C17 family"),
729 ENUM_ENT(EM_TI_C6000, "Texas Instruments TMS320C6000 DSP family"),
730 ENUM_ENT(EM_TI_C2000, "Texas Instruments TMS320C2000 DSP family"),
731 ENUM_ENT(EM_TI_C5500, "Texas Instruments TMS320C55x DSP family"),
732 ENUM_ENT(EM_MMDSP_PLUS, "STMicroelectronics 64bit VLIW Data Signal Processor"),
733 ENUM_ENT(EM_CYPRESS_M8C, "Cypress M8C microprocessor"),
734 ENUM_ENT(EM_R32C, "Renesas R32C series microprocessors"),
735 ENUM_ENT(EM_TRIMEDIA, "NXP Semiconductors TriMedia architecture family"),
736 ENUM_ENT(EM_HEXAGON, "Qualcomm Hexagon"),
737 ENUM_ENT(EM_8051, "Intel 8051 and variants"),
738 ENUM_ENT(EM_STXP7X, "STMicroelectronics STxP7x family"),
739 ENUM_ENT(EM_NDS32, "Andes Technology compact code size embedded RISC processor family"),
740 ENUM_ENT(EM_ECOG1, "Cyan Technology eCOG1 microprocessor"),
741 ENUM_ENT(EM_ECOG1X, "Cyan Technology eCOG1X family"),
742 ENUM_ENT(EM_MAXQ30, "Dallas Semiconductor MAXQ30 Core microcontrollers"),
743 ENUM_ENT(EM_XIMO16, "New Japan Radio (NJR) 16-bit DSP Processor"),
744 ENUM_ENT(EM_MANIK, "M2000 Reconfigurable RISC Microprocessor"),
745 ENUM_ENT(EM_CRAYNV2, "Cray Inc. NV2 vector architecture"),
746 ENUM_ENT(EM_RX, "Renesas RX"),
747 ENUM_ENT(EM_METAG, "Imagination Technologies Meta processor architecture"),
748 ENUM_ENT(EM_MCST_ELBRUS, "MCST Elbrus general purpose hardware architecture"),
749 ENUM_ENT(EM_ECOG16, "Cyan Technology eCOG16 family"),
750 ENUM_ENT(EM_CR16, "Xilinx MicroBlaze"),
751 ENUM_ENT(EM_ETPU, "Freescale Extended Time Processing Unit"),
752 ENUM_ENT(EM_SLE9X, "Infineon Technologies SLE9X core"),
753 ENUM_ENT(EM_L10M, "EM_L10M"),
754 ENUM_ENT(EM_K10M, "EM_K10M"),
755 ENUM_ENT(EM_AARCH64, "AArch64"),
756 ENUM_ENT(EM_AVR32, "Atmel AVR 8-bit microcontroller"),
757 ENUM_ENT(EM_STM8, "STMicroeletronics STM8 8-bit microcontroller"),
758 ENUM_ENT(EM_TILE64, "Tilera TILE64 multicore architecture family"),
759 ENUM_ENT(EM_TILEPRO, "Tilera TILEPro multicore architecture family"),
760 ENUM_ENT(EM_CUDA, "NVIDIA CUDA architecture"),
761 ENUM_ENT(EM_TILEGX, "Tilera TILE-Gx multicore architecture family"),
762 ENUM_ENT(EM_CLOUDSHIELD, "EM_CLOUDSHIELD"),
763 ENUM_ENT(EM_COREA_1ST, "EM_COREA_1ST"),
764 ENUM_ENT(EM_COREA_2ND, "EM_COREA_2ND"),
765 ENUM_ENT(EM_ARC_COMPACT2, "EM_ARC_COMPACT2"),
766 ENUM_ENT(EM_OPEN8, "EM_OPEN8"),
767 ENUM_ENT(EM_RL78, "Renesas RL78"),
768 ENUM_ENT(EM_VIDEOCORE5, "Broadcom VideoCore V processor"),
769 ENUM_ENT(EM_78KOR, "EM_78KOR"),
770 ENUM_ENT(EM_56800EX, "EM_56800EX"),
771 ENUM_ENT(EM_AMDGPU, "EM_AMDGPU"),
772 ENUM_ENT(EM_WEBASSEMBLY, "EM_WEBASSEMBLY"),
773 ENUM_ENT(EM_LANAI, "EM_LANAI"),
776 static const EnumEntry<unsigned> ElfSymbolBindings[] = {
777 {"Local", "LOCAL", ELF::STB_LOCAL},
778 {"Global", "GLOBAL", ELF::STB_GLOBAL},
779 {"Weak", "WEAK", ELF::STB_WEAK},
780 {"Unique", "UNIQUE", ELF::STB_GNU_UNIQUE}};
782 static const EnumEntry<unsigned> ElfSymbolTypes[] = {
783 {"None", "NOTYPE", ELF::STT_NOTYPE},
784 {"Object", "OBJECT", ELF::STT_OBJECT},
785 {"Function", "FUNCTION", ELF::STT_FUNC},
786 {"Section", "SECTION", ELF::STT_SECTION},
787 {"File", "FILE", ELF::STT_FILE},
788 {"Common", "COMMON", ELF::STT_COMMON},
789 {"TLS", "TLS", ELF::STT_TLS},
790 {"GNU_IFunc", "IFUNC", ELF::STT_GNU_IFUNC}};
792 static const EnumEntry<unsigned> AMDGPUSymbolTypes[] = {
793 { "AMDGPU_HSA_KERNEL", ELF::STT_AMDGPU_HSA_KERNEL },
794 { "AMDGPU_HSA_INDIRECT_FUNCTION", ELF::STT_AMDGPU_HSA_INDIRECT_FUNCTION },
795 { "AMDGPU_HSA_METADATA", ELF::STT_AMDGPU_HSA_METADATA }
798 static const char *getElfSectionType(unsigned Arch, unsigned Type) {
802 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
803 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
804 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
805 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
806 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
808 case ELF::EM_HEXAGON:
809 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
811 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
813 case ELF::EM_MIPS_RS3_LE:
815 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
816 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
817 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_ABIFLAGS);
822 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
823 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
824 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
825 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
826 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
827 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
828 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
829 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
830 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
831 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
832 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
833 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
834 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
835 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
836 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
837 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
838 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
839 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
840 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
841 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
842 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
843 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
848 static const char *getGroupType(uint32_t Flag) {
849 if (Flag & ELF::GRP_COMDAT)
855 static const EnumEntry<unsigned> ElfSectionFlags[] = {
856 ENUM_ENT(SHF_WRITE, "W"),
857 ENUM_ENT(SHF_ALLOC, "A"),
858 ENUM_ENT(SHF_EXCLUDE, "E"),
859 ENUM_ENT(SHF_EXECINSTR, "X"),
860 ENUM_ENT(SHF_MERGE, "M"),
861 ENUM_ENT(SHF_STRINGS, "S"),
862 ENUM_ENT(SHF_INFO_LINK, "I"),
863 ENUM_ENT(SHF_LINK_ORDER, "L"),
864 ENUM_ENT(SHF_OS_NONCONFORMING, "o"),
865 ENUM_ENT(SHF_GROUP, "G"),
866 ENUM_ENT(SHF_TLS, "T"),
867 ENUM_ENT_1(XCORE_SHF_CP_SECTION),
868 ENUM_ENT_1(XCORE_SHF_DP_SECTION),
871 static const EnumEntry<unsigned> ElfAMDGPUSectionFlags[] = {
872 LLVM_READOBJ_ENUM_ENT(ELF, SHF_AMDGPU_HSA_GLOBAL),
873 LLVM_READOBJ_ENUM_ENT(ELF, SHF_AMDGPU_HSA_READONLY),
874 LLVM_READOBJ_ENUM_ENT(ELF, SHF_AMDGPU_HSA_CODE),
875 LLVM_READOBJ_ENUM_ENT(ELF, SHF_AMDGPU_HSA_AGENT)
878 static const EnumEntry<unsigned> ElfHexagonSectionFlags[] = {
879 LLVM_READOBJ_ENUM_ENT(ELF, SHF_HEX_GPREL)
882 static const EnumEntry<unsigned> ElfMipsSectionFlags[] = {
883 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NODUPES),
884 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NAMES ),
885 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_LOCAL ),
886 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP),
887 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_GPREL ),
888 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_MERGE ),
889 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_ADDR ),
890 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_STRING )
893 static const EnumEntry<unsigned> ElfX86_64SectionFlags[] = {
894 LLVM_READOBJ_ENUM_ENT(ELF, SHF_X86_64_LARGE)
897 static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
898 // Check potentially overlapped processor-specific
899 // program header type.
903 LLVM_READOBJ_ENUM_CASE(ELF, PT_AMDGPU_HSA_LOAD_GLOBAL_PROGRAM);
904 LLVM_READOBJ_ENUM_CASE(ELF, PT_AMDGPU_HSA_LOAD_GLOBAL_AGENT);
905 LLVM_READOBJ_ENUM_CASE(ELF, PT_AMDGPU_HSA_LOAD_READONLY_AGENT);
906 LLVM_READOBJ_ENUM_CASE(ELF, PT_AMDGPU_HSA_LOAD_CODE_AGENT);
910 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
913 case ELF::EM_MIPS_RS3_LE:
915 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
916 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
917 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
918 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
923 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
924 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
925 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
926 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
927 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
928 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
929 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
930 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
932 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
933 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
935 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
936 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
941 static const EnumEntry<unsigned> ElfSegmentFlags[] = {
942 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
943 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
944 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
947 static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
948 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NOREORDER),
949 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_PIC),
950 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
951 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
952 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
953 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_FP64),
954 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
955 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
956 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O64),
957 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI32),
958 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI64),
959 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_3900),
960 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4010),
961 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4100),
962 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4650),
963 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4120),
964 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4111),
965 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_SB1),
966 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON),
967 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_XLR),
968 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON2),
969 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON3),
970 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5400),
971 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5900),
972 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5500),
973 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_9000),
974 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2E),
975 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2F),
976 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS3A),
977 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
978 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
979 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_MDMX),
980 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
981 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
982 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
983 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_4),
984 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_5),
985 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32),
986 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64),
987 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R2),
988 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R2),
989 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R6),
990 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R6)
993 template <typename ELFT>
994 ELFDumper<ELFT>::ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer)
995 : ObjDumper(Writer), Obj(Obj) {
997 SmallVector<const Elf_Phdr *, 4> LoadSegments;
998 for (const Elf_Phdr &Phdr : Obj->program_headers()) {
999 if (Phdr.p_type == ELF::PT_DYNAMIC) {
1000 DynamicTable = createDRIFrom(&Phdr, sizeof(Elf_Dyn));
1003 if (Phdr.p_type != ELF::PT_LOAD || Phdr.p_filesz == 0)
1005 LoadSegments.push_back(&Phdr);
1008 for (const Elf_Shdr &Sec : Obj->sections()) {
1009 switch (Sec.sh_type) {
1010 case ELF::SHT_SYMTAB:
1011 if (DotSymtabSec != nullptr)
1012 reportError("Multilpe SHT_SYMTAB");
1013 DotSymtabSec = &Sec;
1015 case ELF::SHT_DYNSYM:
1016 if (DynSymRegion.Size)
1017 reportError("Multilpe SHT_DYNSYM");
1018 DynSymRegion = createDRIFrom(&Sec);
1020 case ELF::SHT_SYMTAB_SHNDX:
1021 ShndxTable = unwrapOrError(Obj->getSHNDXTable(Sec));
1023 case ELF::SHT_GNU_versym:
1024 if (dot_gnu_version_sec != nullptr)
1025 reportError("Multiple SHT_GNU_versym");
1026 dot_gnu_version_sec = &Sec;
1028 case ELF::SHT_GNU_verdef:
1029 if (dot_gnu_version_d_sec != nullptr)
1030 reportError("Multiple SHT_GNU_verdef");
1031 dot_gnu_version_d_sec = &Sec;
1033 case ELF::SHT_GNU_verneed:
1034 if (dot_gnu_version_r_sec != nullptr)
1035 reportError("Multilpe SHT_GNU_verneed");
1036 dot_gnu_version_r_sec = &Sec;
1041 parseDynamicTable(LoadSegments);
1043 if (opts::Output == opts::GNU)
1044 ELFDumperStyle.reset(new GNUStyle<ELFT>(Writer));
1046 ELFDumperStyle.reset(new LLVMStyle<ELFT>(Writer));
1049 template <typename ELFT>
1050 void ELFDumper<ELFT>::parseDynamicTable(
1051 ArrayRef<const Elf_Phdr *> LoadSegments) {
1052 auto toMappedAddr = [&](uint64_t VAddr) -> const uint8_t * {
1053 const Elf_Phdr *const *I = std::upper_bound(
1054 LoadSegments.begin(), LoadSegments.end(), VAddr, compareAddr<ELFT>);
1055 if (I == LoadSegments.begin())
1056 report_fatal_error("Virtual address is not in any segment");
1058 const Elf_Phdr &Phdr = **I;
1059 uint64_t Delta = VAddr - Phdr.p_vaddr;
1060 if (Delta >= Phdr.p_filesz)
1061 report_fatal_error("Virtual address is not in any segment");
1062 return Obj->base() + Phdr.p_offset + Delta;
1065 uint64_t SONameOffset = 0;
1066 const char *StringTableBegin = nullptr;
1067 uint64_t StringTableSize = 0;
1068 for (const Elf_Dyn &Dyn : dynamic_table()) {
1069 switch (Dyn.d_tag) {
1072 reinterpret_cast<const Elf_Hash *>(toMappedAddr(Dyn.getPtr()));
1074 case ELF::DT_GNU_HASH:
1076 reinterpret_cast<const Elf_GnuHash *>(toMappedAddr(Dyn.getPtr()));
1078 case ELF::DT_STRTAB:
1079 StringTableBegin = (const char *)toMappedAddr(Dyn.getPtr());
1082 StringTableSize = Dyn.getVal();
1084 case ELF::DT_SYMTAB:
1085 DynSymRegion.Addr = toMappedAddr(Dyn.getPtr());
1086 DynSymRegion.EntSize = sizeof(Elf_Sym);
1089 DynRelaRegion.Addr = toMappedAddr(Dyn.getPtr());
1091 case ELF::DT_RELASZ:
1092 DynRelaRegion.Size = Dyn.getVal();
1094 case ELF::DT_RELAENT:
1095 DynRelaRegion.EntSize = Dyn.getVal();
1097 case ELF::DT_SONAME:
1098 SONameOffset = Dyn.getVal();
1101 DynRelRegion.Addr = toMappedAddr(Dyn.getPtr());
1104 DynRelRegion.Size = Dyn.getVal();
1106 case ELF::DT_RELENT:
1107 DynRelRegion.EntSize = Dyn.getVal();
1109 case ELF::DT_PLTREL:
1110 if (Dyn.getVal() == DT_REL)
1111 DynPLTRelRegion.EntSize = sizeof(Elf_Rel);
1112 else if (Dyn.getVal() == DT_RELA)
1113 DynPLTRelRegion.EntSize = sizeof(Elf_Rela);
1115 reportError(Twine("unknown DT_PLTREL value of ") +
1116 Twine((uint64_t)Dyn.getVal()));
1118 case ELF::DT_JMPREL:
1119 DynPLTRelRegion.Addr = toMappedAddr(Dyn.getPtr());
1121 case ELF::DT_PLTRELSZ:
1122 DynPLTRelRegion.Size = Dyn.getVal();
1126 if (StringTableBegin)
1127 DynamicStringTable = StringRef(StringTableBegin, StringTableSize);
1129 SOName = getDynamicString(SONameOffset);
1132 template <typename ELFT>
1133 typename ELFDumper<ELFT>::Elf_Rel_Range ELFDumper<ELFT>::dyn_rels() const {
1134 return DynRelRegion.getAsRange<Elf_Rel>();
1137 template <typename ELFT>
1138 typename ELFDumper<ELFT>::Elf_Rela_Range ELFDumper<ELFT>::dyn_relas() const {
1139 return DynRelaRegion.getAsRange<Elf_Rela>();
1142 template<class ELFT>
1143 void ELFDumper<ELFT>::printFileHeaders() {
1144 ELFDumperStyle->printFileHeaders(Obj);
1147 template<class ELFT>
1148 void ELFDumper<ELFT>::printSections() {
1149 ListScope SectionsD(W, "Sections");
1151 int SectionIndex = -1;
1152 for (const Elf_Shdr &Sec : Obj->sections()) {
1155 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
1157 DictScope SectionD(W, "Section");
1158 W.printNumber("Index", SectionIndex);
1159 W.printNumber("Name", Name, Sec.sh_name);
1161 getElfSectionType(Obj->getHeader()->e_machine, Sec.sh_type),
1163 std::vector<EnumEntry<unsigned>> SectionFlags(std::begin(ElfSectionFlags),
1164 std::end(ElfSectionFlags));
1165 switch (Obj->getHeader()->e_machine) {
1167 SectionFlags.insert(SectionFlags.end(), std::begin(ElfAMDGPUSectionFlags),
1168 std::end(ElfAMDGPUSectionFlags));
1171 SectionFlags.insert(SectionFlags.end(),
1172 std::begin(ElfHexagonSectionFlags),
1173 std::end(ElfHexagonSectionFlags));
1176 SectionFlags.insert(SectionFlags.end(), std::begin(ElfMipsSectionFlags),
1177 std::end(ElfMipsSectionFlags));
1180 SectionFlags.insert(SectionFlags.end(), std::begin(ElfX86_64SectionFlags),
1181 std::end(ElfX86_64SectionFlags));
1187 W.printFlags("Flags", Sec.sh_flags, makeArrayRef(SectionFlags));
1188 W.printHex("Address", Sec.sh_addr);
1189 W.printHex("Offset", Sec.sh_offset);
1190 W.printNumber("Size", Sec.sh_size);
1191 W.printNumber("Link", Sec.sh_link);
1192 W.printNumber("Info", Sec.sh_info);
1193 W.printNumber("AddressAlignment", Sec.sh_addralign);
1194 W.printNumber("EntrySize", Sec.sh_entsize);
1196 if (opts::SectionRelocations) {
1197 ListScope D(W, "Relocations");
1198 printRelocations(&Sec);
1201 if (opts::SectionSymbols) {
1202 ListScope D(W, "Symbols");
1203 const Elf_Shdr *Symtab = DotSymtabSec;
1204 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
1206 for (const Elf_Sym &Sym : Obj->symbols(Symtab)) {
1207 const Elf_Shdr *SymSec =
1208 unwrapOrError(Obj->getSection(&Sym, Symtab, ShndxTable));
1210 printSymbol(&Sym, Obj->symbol_begin(Symtab), StrTable, false);
1214 if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
1215 ArrayRef<uint8_t> Data = unwrapOrError(Obj->getSectionContents(&Sec));
1216 W.printBinaryBlock("SectionData",
1217 StringRef((const char *)Data.data(), Data.size()));
1222 template<class ELFT>
1223 void ELFDumper<ELFT>::printRelocations() {
1224 ListScope D(W, "Relocations");
1226 int SectionNumber = -1;
1227 for (const Elf_Shdr &Sec : Obj->sections()) {
1230 if (Sec.sh_type != ELF::SHT_REL && Sec.sh_type != ELF::SHT_RELA)
1233 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
1235 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
1238 printRelocations(&Sec);
1241 W.startLine() << "}\n";
1245 template <class ELFT> void ELFDumper<ELFT>::printDynamicRelocations() {
1246 if (DynRelRegion.Size && DynRelaRegion.Size)
1247 report_fatal_error("There are both REL and RELA dynamic relocations");
1248 W.startLine() << "Dynamic Relocations {\n";
1250 if (DynRelaRegion.Size > 0)
1251 for (const Elf_Rela &Rela : dyn_relas())
1252 printDynamicRelocation(Rela);
1254 for (const Elf_Rel &Rel : dyn_rels()) {
1256 Rela.r_offset = Rel.r_offset;
1257 Rela.r_info = Rel.r_info;
1259 printDynamicRelocation(Rela);
1261 if (DynPLTRelRegion.EntSize == sizeof(Elf_Rela))
1262 for (const Elf_Rela &Rela : DynPLTRelRegion.getAsRange<Elf_Rela>())
1263 printDynamicRelocation(Rela);
1265 for (const Elf_Rel &Rel : DynPLTRelRegion.getAsRange<Elf_Rel>()) {
1267 Rela.r_offset = Rel.r_offset;
1268 Rela.r_info = Rel.r_info;
1270 printDynamicRelocation(Rela);
1273 W.startLine() << "}\n";
1276 template <class ELFT>
1277 void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
1278 const Elf_Shdr *SymTab = unwrapOrError(Obj->getSection(Sec->sh_link));
1280 switch (Sec->sh_type) {
1282 for (const Elf_Rel &R : Obj->rels(Sec)) {
1284 Rela.r_offset = R.r_offset;
1285 Rela.r_info = R.r_info;
1287 printRelocation(Rela, SymTab);
1291 for (const Elf_Rela &R : Obj->relas(Sec))
1292 printRelocation(R, SymTab);
1297 template <class ELFT>
1298 void ELFDumper<ELFT>::printRelocation(Elf_Rela Rel, const Elf_Shdr *SymTab) {
1299 SmallString<32> RelocName;
1300 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
1301 StringRef TargetName;
1302 const Elf_Sym *Sym = Obj->getRelocationSymbol(&Rel, SymTab);
1303 if (Sym && Sym->getType() == ELF::STT_SECTION) {
1304 const Elf_Shdr *Sec =
1305 unwrapOrError(Obj->getSection(Sym, SymTab, ShndxTable));
1306 TargetName = unwrapOrError(Obj->getSectionName(Sec));
1308 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
1309 TargetName = unwrapOrError(Sym->getName(StrTable));
1312 if (opts::ExpandRelocs) {
1313 DictScope Group(W, "Relocation");
1314 W.printHex("Offset", Rel.r_offset);
1315 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
1316 W.printNumber("Symbol", TargetName.size() > 0 ? TargetName : "-",
1317 Rel.getSymbol(Obj->isMips64EL()));
1318 W.printHex("Addend", Rel.r_addend);
1320 raw_ostream& OS = W.startLine();
1321 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
1322 << (TargetName.size() > 0 ? TargetName : "-") << " "
1323 << W.hex(Rel.r_addend) << "\n";
1327 template <class ELFT>
1328 void ELFDumper<ELFT>::printDynamicRelocation(Elf_Rela Rel) {
1329 SmallString<32> RelocName;
1330 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
1331 StringRef SymbolName;
1332 uint32_t SymIndex = Rel.getSymbol(Obj->isMips64EL());
1333 const Elf_Sym *Sym = dynamic_symbols().begin() + SymIndex;
1334 SymbolName = unwrapOrError(Sym->getName(DynamicStringTable));
1335 if (opts::ExpandRelocs) {
1336 DictScope Group(W, "Relocation");
1337 W.printHex("Offset", Rel.r_offset);
1338 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
1339 W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
1340 W.printHex("Addend", Rel.r_addend);
1342 raw_ostream &OS = W.startLine();
1343 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
1344 << (SymbolName.size() > 0 ? SymbolName : "-") << " "
1345 << W.hex(Rel.r_addend) << "\n";
1349 template<class ELFT>
1350 void ELFDumper<ELFT>::printSymbolsHelper(bool IsDynamic) {
1352 Elf_Sym_Range Syms(nullptr, nullptr);
1355 StrTable = DynamicStringTable;
1356 Syms = dynamic_symbols();
1360 StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec));
1361 Syms = Obj->symbols(DotSymtabSec);
1363 for (const Elf_Sym &Sym : Syms)
1364 printSymbol(&Sym, Syms.begin(), StrTable, IsDynamic);
1367 template<class ELFT>
1368 void ELFDumper<ELFT>::printSymbols() {
1369 ListScope Group(W, "Symbols");
1370 printSymbolsHelper(false);
1373 template<class ELFT>
1374 void ELFDumper<ELFT>::printDynamicSymbols() {
1375 ListScope Group(W, "DynamicSymbols");
1376 printSymbolsHelper(true);
1379 template <class ELFT>
1380 void ELFDumper<ELFT>::printSymbol(const Elf_Sym *Symbol,
1381 const Elf_Sym *FirstSym, StringRef StrTable,
1383 unsigned SectionIndex = 0;
1384 StringRef SectionName;
1385 getSectionNameIndex(*Obj, Symbol, FirstSym, ShndxTable, SectionName,
1387 std::string FullSymbolName = getFullSymbolName(Symbol, StrTable, IsDynamic);
1388 unsigned char SymbolType = Symbol->getType();
1390 DictScope D(W, "Symbol");
1391 W.printNumber("Name", FullSymbolName, Symbol->st_name);
1392 W.printHex ("Value", Symbol->st_value);
1393 W.printNumber("Size", Symbol->st_size);
1394 W.printEnum ("Binding", Symbol->getBinding(),
1395 makeArrayRef(ElfSymbolBindings));
1396 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
1397 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
1398 W.printEnum ("Type", SymbolType, makeArrayRef(AMDGPUSymbolTypes));
1400 W.printEnum ("Type", SymbolType, makeArrayRef(ElfSymbolTypes));
1401 W.printNumber("Other", Symbol->st_other);
1402 W.printHex("Section", SectionName, SectionIndex);
1405 #define LLVM_READOBJ_TYPE_CASE(name) \
1406 case DT_##name: return #name
1408 static const char *getTypeString(uint64_t Type) {
1410 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
1411 LLVM_READOBJ_TYPE_CASE(DEBUG);
1412 LLVM_READOBJ_TYPE_CASE(FINI);
1413 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
1414 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
1415 LLVM_READOBJ_TYPE_CASE(FLAGS);
1416 LLVM_READOBJ_TYPE_CASE(FLAGS_1);
1417 LLVM_READOBJ_TYPE_CASE(HASH);
1418 LLVM_READOBJ_TYPE_CASE(INIT);
1419 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
1420 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
1421 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
1422 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
1423 LLVM_READOBJ_TYPE_CASE(JMPREL);
1424 LLVM_READOBJ_TYPE_CASE(NEEDED);
1425 LLVM_READOBJ_TYPE_CASE(NULL);
1426 LLVM_READOBJ_TYPE_CASE(PLTGOT);
1427 LLVM_READOBJ_TYPE_CASE(PLTREL);
1428 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
1429 LLVM_READOBJ_TYPE_CASE(REL);
1430 LLVM_READOBJ_TYPE_CASE(RELA);
1431 LLVM_READOBJ_TYPE_CASE(RELENT);
1432 LLVM_READOBJ_TYPE_CASE(RELSZ);
1433 LLVM_READOBJ_TYPE_CASE(RELAENT);
1434 LLVM_READOBJ_TYPE_CASE(RELASZ);
1435 LLVM_READOBJ_TYPE_CASE(RPATH);
1436 LLVM_READOBJ_TYPE_CASE(RUNPATH);
1437 LLVM_READOBJ_TYPE_CASE(SONAME);
1438 LLVM_READOBJ_TYPE_CASE(STRSZ);
1439 LLVM_READOBJ_TYPE_CASE(STRTAB);
1440 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
1441 LLVM_READOBJ_TYPE_CASE(SYMENT);
1442 LLVM_READOBJ_TYPE_CASE(SYMTAB);
1443 LLVM_READOBJ_TYPE_CASE(TEXTREL);
1444 LLVM_READOBJ_TYPE_CASE(VERDEF);
1445 LLVM_READOBJ_TYPE_CASE(VERDEFNUM);
1446 LLVM_READOBJ_TYPE_CASE(VERNEED);
1447 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
1448 LLVM_READOBJ_TYPE_CASE(VERSYM);
1449 LLVM_READOBJ_TYPE_CASE(RELACOUNT);
1450 LLVM_READOBJ_TYPE_CASE(RELCOUNT);
1451 LLVM_READOBJ_TYPE_CASE(GNU_HASH);
1452 LLVM_READOBJ_TYPE_CASE(TLSDESC_PLT);
1453 LLVM_READOBJ_TYPE_CASE(TLSDESC_GOT);
1454 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
1455 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP_REL);
1456 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
1457 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
1458 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
1459 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
1460 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
1461 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
1462 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
1463 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
1464 LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
1465 default: return "unknown";
1469 #undef LLVM_READOBJ_TYPE_CASE
1471 #define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
1472 { #enum, prefix##_##enum }
1474 static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
1475 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
1476 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
1477 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
1478 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
1479 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
1482 static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
1483 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
1484 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
1485 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
1486 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
1487 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
1488 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
1489 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
1490 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
1491 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
1492 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
1493 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
1494 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
1495 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
1496 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
1497 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
1498 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
1499 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
1500 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
1501 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
1502 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
1503 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
1504 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
1505 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
1506 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
1507 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
1510 static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
1511 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
1512 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
1513 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
1514 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
1515 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
1516 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
1517 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
1518 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
1519 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
1520 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
1521 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
1522 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
1523 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
1524 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
1525 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
1526 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
1529 #undef LLVM_READOBJ_DT_FLAG_ENT
1531 template <typename T, typename TFlag>
1532 void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
1533 typedef EnumEntry<TFlag> FlagEntry;
1534 typedef SmallVector<FlagEntry, 10> FlagVector;
1535 FlagVector SetFlags;
1537 for (const auto &Flag : Flags) {
1538 if (Flag.Value == 0)
1541 if ((Value & Flag.Value) == Flag.Value)
1542 SetFlags.push_back(Flag);
1545 for (const auto &Flag : SetFlags) {
1546 OS << Flag.Name << " ";
1550 template <class ELFT>
1551 StringRef ELFDumper<ELFT>::getDynamicString(uint64_t Value) const {
1552 if (Value >= DynamicStringTable.size())
1553 reportError("Invalid dynamic string table reference");
1554 return StringRef(DynamicStringTable.data() + Value);
1557 template <class ELFT>
1558 void ELFDumper<ELFT>::printValue(uint64_t Type, uint64_t Value) {
1559 raw_ostream &OS = W.getOStream();
1562 if (Value == DT_REL) {
1565 } else if (Value == DT_RELA) {
1581 case DT_PREINIT_ARRAY:
1588 case DT_MIPS_BASE_ADDRESS:
1589 case DT_MIPS_GOTSYM:
1590 case DT_MIPS_RLD_MAP:
1591 case DT_MIPS_RLD_MAP_REL:
1592 case DT_MIPS_PLTGOT:
1593 case DT_MIPS_OPTIONS:
1594 OS << format("0x%" PRIX64, Value);
1600 case DT_MIPS_RLD_VERSION:
1601 case DT_MIPS_LOCAL_GOTNO:
1602 case DT_MIPS_SYMTABNO:
1603 case DT_MIPS_UNREFEXTNO:
1613 case DT_INIT_ARRAYSZ:
1614 case DT_FINI_ARRAYSZ:
1615 case DT_PREINIT_ARRAYSZ:
1616 OS << Value << " (bytes)";
1619 OS << "SharedLibrary (" << getDynamicString(Value) << ")";
1622 OS << "LibrarySoname (" << getDynamicString(Value) << ")";
1626 OS << getDynamicString(Value);
1629 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
1632 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
1635 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
1638 OS << format("0x%" PRIX64, Value);
1643 template<class ELFT>
1644 void ELFDumper<ELFT>::printUnwindInfo() {
1645 W.startLine() << "UnwindInfo not implemented.\n";
1649 template <> void ELFDumper<ELFType<support::little, false>>::printUnwindInfo() {
1650 const unsigned Machine = Obj->getHeader()->e_machine;
1651 if (Machine == EM_ARM) {
1652 ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(
1653 W, Obj, DotSymtabSec);
1654 return Ctx.PrintUnwindInformation();
1656 W.startLine() << "UnwindInfo not implemented.\n";
1660 template<class ELFT>
1661 void ELFDumper<ELFT>::printDynamicTable() {
1662 auto I = dynamic_table().begin();
1663 auto E = dynamic_table().end();
1669 while (I != E && E->getTag() == ELF::DT_NULL)
1671 if (E->getTag() != ELF::DT_NULL)
1675 ptrdiff_t Total = std::distance(I, E);
1679 raw_ostream &OS = W.getOStream();
1680 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1682 bool Is64 = ELFT::Is64Bits;
1685 << " Tag" << (Is64 ? " " : " ") << "Type"
1686 << " " << "Name/Value\n";
1688 const Elf_Dyn &Entry = *I;
1689 uintX_t Tag = Entry.getTag();
1691 W.startLine() << " " << format_hex(Tag, Is64 ? 18 : 10, true) << " "
1692 << format("%-21s", getTypeString(Tag));
1693 printValue(Tag, Entry.getVal());
1697 W.startLine() << "]\n";
1700 template<class ELFT>
1701 void ELFDumper<ELFT>::printNeededLibraries() {
1702 ListScope D(W, "NeededLibraries");
1704 typedef std::vector<StringRef> LibsTy;
1707 for (const auto &Entry : dynamic_table())
1708 if (Entry.d_tag == ELF::DT_NEEDED)
1709 Libs.push_back(getDynamicString(Entry.d_un.d_val));
1711 std::stable_sort(Libs.begin(), Libs.end());
1713 for (const auto &L : Libs) {
1714 outs() << " " << L << "\n";
1718 template<class ELFT>
1719 void ELFDumper<ELFT>::printProgramHeaders() {
1720 ListScope L(W, "ProgramHeaders");
1722 for (const Elf_Phdr &Phdr : Obj->program_headers()) {
1723 DictScope P(W, "ProgramHeader");
1725 getElfSegmentType(Obj->getHeader()->e_machine, Phdr.p_type),
1727 W.printHex("Offset", Phdr.p_offset);
1728 W.printHex("VirtualAddress", Phdr.p_vaddr);
1729 W.printHex("PhysicalAddress", Phdr.p_paddr);
1730 W.printNumber("FileSize", Phdr.p_filesz);
1731 W.printNumber("MemSize", Phdr.p_memsz);
1732 W.printFlags("Flags", Phdr.p_flags, makeArrayRef(ElfSegmentFlags));
1733 W.printNumber("Alignment", Phdr.p_align);
1737 template <typename ELFT>
1738 void ELFDumper<ELFT>::printHashTable() {
1739 DictScope D(W, "HashTable");
1742 W.printNumber("Num Buckets", HashTable->nbucket);
1743 W.printNumber("Num Chains", HashTable->nchain);
1744 W.printList("Buckets", HashTable->buckets());
1745 W.printList("Chains", HashTable->chains());
1748 template <typename ELFT>
1749 void ELFDumper<ELFT>::printGnuHashTable() {
1750 DictScope D(W, "GnuHashTable");
1753 W.printNumber("Num Buckets", GnuHashTable->nbuckets);
1754 W.printNumber("First Hashed Symbol Index", GnuHashTable->symndx);
1755 W.printNumber("Num Mask Words", GnuHashTable->maskwords);
1756 W.printNumber("Shift Count", GnuHashTable->shift2);
1757 W.printHexList("Bloom Filter", GnuHashTable->filter());
1758 W.printList("Buckets", GnuHashTable->buckets());
1759 Elf_Sym_Range Syms = dynamic_symbols();
1760 unsigned NumSyms = std::distance(Syms.begin(), Syms.end());
1762 reportError("No dynamic symbol section");
1763 W.printHexList("Values", GnuHashTable->values(NumSyms));
1766 template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
1767 outs() << "LoadName: " << SOName << '\n';
1770 template <class ELFT>
1771 void ELFDumper<ELFT>::printAttributes() {
1772 W.startLine() << "Attributes not implemented.\n";
1776 template <> void ELFDumper<ELFType<support::little, false>>::printAttributes() {
1777 if (Obj->getHeader()->e_machine != EM_ARM) {
1778 W.startLine() << "Attributes not implemented.\n";
1782 DictScope BA(W, "BuildAttributes");
1783 for (const ELFO::Elf_Shdr &Sec : Obj->sections()) {
1784 if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
1787 ArrayRef<uint8_t> Contents = unwrapOrError(Obj->getSectionContents(&Sec));
1788 if (Contents[0] != ARMBuildAttrs::Format_Version) {
1789 errs() << "unrecognised FormatVersion: 0x" << utohexstr(Contents[0])
1794 W.printHex("FormatVersion", Contents[0]);
1795 if (Contents.size() == 1)
1798 ARMAttributeParser(W).Parse(Contents);
1804 template <class ELFT> class MipsGOTParser {
1806 typedef object::ELFFile<ELFT> ELFO;
1807 typedef typename ELFO::Elf_Shdr Elf_Shdr;
1808 typedef typename ELFO::Elf_Sym Elf_Sym;
1809 typedef typename ELFO::Elf_Dyn_Range Elf_Dyn_Range;
1810 typedef typename ELFO::Elf_Addr GOTEntry;
1811 typedef typename ELFO::Elf_Rel Elf_Rel;
1812 typedef typename ELFO::Elf_Rela Elf_Rela;
1814 MipsGOTParser(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
1815 Elf_Dyn_Range DynTable, StreamWriter &W);
1821 ELFDumper<ELFT> *Dumper;
1824 llvm::Optional<uint64_t> DtPltGot;
1825 llvm::Optional<uint64_t> DtLocalGotNum;
1826 llvm::Optional<uint64_t> DtGotSym;
1827 llvm::Optional<uint64_t> DtMipsPltGot;
1828 llvm::Optional<uint64_t> DtJmpRel;
1830 std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
1831 const GOTEntry *makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
1833 void printGotEntry(uint64_t GotAddr, const GOTEntry *BeginIt,
1834 const GOTEntry *It);
1835 void printGlobalGotEntry(uint64_t GotAddr, const GOTEntry *BeginIt,
1836 const GOTEntry *It, const Elf_Sym *Sym,
1837 StringRef StrTable, bool IsDynamic);
1838 void printPLTEntry(uint64_t PLTAddr, const GOTEntry *BeginIt,
1839 const GOTEntry *It, StringRef Purpose);
1840 void printPLTEntry(uint64_t PLTAddr, const GOTEntry *BeginIt,
1841 const GOTEntry *It, StringRef StrTable,
1842 const Elf_Sym *Sym);
1846 template <class ELFT>
1847 MipsGOTParser<ELFT>::MipsGOTParser(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
1848 Elf_Dyn_Range DynTable, StreamWriter &W)
1849 : Dumper(Dumper), Obj(Obj), W(W) {
1850 for (const auto &Entry : DynTable) {
1851 switch (Entry.getTag()) {
1852 case ELF::DT_PLTGOT:
1853 DtPltGot = Entry.getVal();
1855 case ELF::DT_MIPS_LOCAL_GOTNO:
1856 DtLocalGotNum = Entry.getVal();
1858 case ELF::DT_MIPS_GOTSYM:
1859 DtGotSym = Entry.getVal();
1861 case ELF::DT_MIPS_PLTGOT:
1862 DtMipsPltGot = Entry.getVal();
1864 case ELF::DT_JMPREL:
1865 DtJmpRel = Entry.getVal();
1871 template <class ELFT> void MipsGOTParser<ELFT>::parseGOT() {
1872 // See "Global Offset Table" in Chapter 5 in the following document
1873 // for detailed GOT description.
1874 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
1876 W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
1879 if (!DtLocalGotNum) {
1880 W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
1884 W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
1888 StringRef StrTable = Dumper->getDynamicStringTable();
1889 const Elf_Sym *DynSymBegin = Dumper->dynamic_symbols().begin();
1890 const Elf_Sym *DynSymEnd = Dumper->dynamic_symbols().end();
1891 std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
1893 if (*DtGotSym > DynSymTotal)
1894 report_fatal_error("MIPS_GOTSYM exceeds a number of dynamic symbols");
1896 std::size_t GlobalGotNum = DynSymTotal - *DtGotSym;
1898 if (*DtLocalGotNum + GlobalGotNum == 0) {
1899 W.startLine() << "GOT is empty.\n";
1903 const Elf_Shdr *GOTShdr = findNotEmptySectionByAddress(Obj, *DtPltGot);
1905 report_fatal_error("There is no not empty GOT section at 0x" +
1906 Twine::utohexstr(*DtPltGot));
1908 ArrayRef<uint8_t> GOT = unwrapOrError(Obj->getSectionContents(GOTShdr));
1910 if (*DtLocalGotNum + GlobalGotNum > getGOTTotal(GOT))
1911 report_fatal_error("Number of GOT entries exceeds the size of GOT section");
1913 const GOTEntry *GotBegin = makeGOTIter(GOT, 0);
1914 const GOTEntry *GotLocalEnd = makeGOTIter(GOT, *DtLocalGotNum);
1915 const GOTEntry *It = GotBegin;
1917 DictScope GS(W, "Primary GOT");
1919 W.printHex("Canonical gp value", GOTShdr->sh_addr + 0x7ff0);
1921 ListScope RS(W, "Reserved entries");
1924 DictScope D(W, "Entry");
1925 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
1926 W.printString("Purpose", StringRef("Lazy resolver"));
1929 if (It != GotLocalEnd && (*It >> (sizeof(GOTEntry) * 8 - 1)) != 0) {
1930 DictScope D(W, "Entry");
1931 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
1932 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
1936 ListScope LS(W, "Local entries");
1937 for (; It != GotLocalEnd; ++It) {
1938 DictScope D(W, "Entry");
1939 printGotEntry(GOTShdr->sh_addr, GotBegin, It);
1943 ListScope GS(W, "Global entries");
1945 const GOTEntry *GotGlobalEnd =
1946 makeGOTIter(GOT, *DtLocalGotNum + GlobalGotNum);
1947 const Elf_Sym *GotDynSym = DynSymBegin + *DtGotSym;
1948 for (; It != GotGlobalEnd; ++It) {
1949 DictScope D(W, "Entry");
1950 printGlobalGotEntry(GOTShdr->sh_addr, GotBegin, It, GotDynSym++, StrTable,
1955 std::size_t SpecGotNum = getGOTTotal(GOT) - *DtLocalGotNum - GlobalGotNum;
1956 W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
1959 template <class ELFT> void MipsGOTParser<ELFT>::parsePLT() {
1960 if (!DtMipsPltGot) {
1961 W.startLine() << "Cannot find MIPS_PLTGOT dynamic table tag.\n";
1965 W.startLine() << "Cannot find JMPREL dynamic table tag.\n";
1969 const Elf_Shdr *PLTShdr = findNotEmptySectionByAddress(Obj, *DtMipsPltGot);
1971 report_fatal_error("There is no not empty PLTGOT section at 0x " +
1972 Twine::utohexstr(*DtMipsPltGot));
1973 ArrayRef<uint8_t> PLT = unwrapOrError(Obj->getSectionContents(PLTShdr));
1975 const Elf_Shdr *PLTRelShdr = findNotEmptySectionByAddress(Obj, *DtJmpRel);
1977 report_fatal_error("There is no not empty RELPLT section at 0x" +
1978 Twine::utohexstr(*DtJmpRel));
1979 const Elf_Shdr *SymTable =
1980 unwrapOrError(Obj->getSection(PLTRelShdr->sh_link));
1981 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTable));
1983 const GOTEntry *PLTBegin = makeGOTIter(PLT, 0);
1984 const GOTEntry *PLTEnd = makeGOTIter(PLT, getGOTTotal(PLT));
1985 const GOTEntry *It = PLTBegin;
1987 DictScope GS(W, "PLT GOT");
1989 ListScope RS(W, "Reserved entries");
1990 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "PLT lazy resolver");
1992 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "Module pointer");
1995 ListScope GS(W, "Entries");
1997 switch (PLTRelShdr->sh_type) {
1999 for (const Elf_Rel *RI = Obj->rel_begin(PLTRelShdr),
2000 *RE = Obj->rel_end(PLTRelShdr);
2001 RI != RE && It != PLTEnd; ++RI, ++It) {
2002 const Elf_Sym *Sym = Obj->getRelocationSymbol(&*RI, SymTable);
2003 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, StrTable, Sym);
2007 for (const Elf_Rela *RI = Obj->rela_begin(PLTRelShdr),
2008 *RE = Obj->rela_end(PLTRelShdr);
2009 RI != RE && It != PLTEnd; ++RI, ++It) {
2010 const Elf_Sym *Sym = Obj->getRelocationSymbol(&*RI, SymTable);
2011 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, StrTable, Sym);
2018 template <class ELFT>
2019 std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
2020 return GOT.size() / sizeof(GOTEntry);
2023 template <class ELFT>
2024 const typename MipsGOTParser<ELFT>::GOTEntry *
2025 MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
2026 const char *Data = reinterpret_cast<const char *>(GOT.data());
2027 return reinterpret_cast<const GOTEntry *>(Data + EntryNum * sizeof(GOTEntry));
2030 template <class ELFT>
2031 void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr,
2032 const GOTEntry *BeginIt,
2033 const GOTEntry *It) {
2034 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
2035 W.printHex("Address", GotAddr + Offset);
2036 W.printNumber("Access", Offset - 0x7ff0);
2037 W.printHex("Initial", *It);
2040 template <class ELFT>
2041 void MipsGOTParser<ELFT>::printGlobalGotEntry(
2042 uint64_t GotAddr, const GOTEntry *BeginIt, const GOTEntry *It,
2043 const Elf_Sym *Sym, StringRef StrTable, bool IsDynamic) {
2044 printGotEntry(GotAddr, BeginIt, It);
2046 W.printHex("Value", Sym->st_value);
2047 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
2049 unsigned SectionIndex = 0;
2050 StringRef SectionName;
2051 getSectionNameIndex(*Obj, Sym, Dumper->dynamic_symbols().begin(),
2052 Dumper->getShndxTable(), SectionName, SectionIndex);
2053 W.printHex("Section", SectionName, SectionIndex);
2055 std::string FullSymbolName =
2056 Dumper->getFullSymbolName(Sym, StrTable, IsDynamic);
2057 W.printNumber("Name", FullSymbolName, Sym->st_name);
2060 template <class ELFT>
2061 void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr,
2062 const GOTEntry *BeginIt,
2063 const GOTEntry *It, StringRef Purpose) {
2064 DictScope D(W, "Entry");
2065 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
2066 W.printHex("Address", PLTAddr + Offset);
2067 W.printHex("Initial", *It);
2068 W.printString("Purpose", Purpose);
2071 template <class ELFT>
2072 void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr,
2073 const GOTEntry *BeginIt,
2074 const GOTEntry *It, StringRef StrTable,
2075 const Elf_Sym *Sym) {
2076 DictScope D(W, "Entry");
2077 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
2078 W.printHex("Address", PLTAddr + Offset);
2079 W.printHex("Initial", *It);
2080 W.printHex("Value", Sym->st_value);
2081 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
2083 unsigned SectionIndex = 0;
2084 StringRef SectionName;
2085 getSectionNameIndex(*Obj, Sym, Dumper->dynamic_symbols().begin(),
2086 Dumper->getShndxTable(), SectionName, SectionIndex);
2087 W.printHex("Section", SectionName, SectionIndex);
2089 std::string FullSymbolName = Dumper->getFullSymbolName(Sym, StrTable, true);
2090 W.printNumber("Name", FullSymbolName, Sym->st_name);
2093 template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
2094 if (Obj->getHeader()->e_machine != EM_MIPS) {
2095 W.startLine() << "MIPS PLT GOT is available for MIPS targets only.\n";
2099 MipsGOTParser<ELFT> GOTParser(this, Obj, dynamic_table(), W);
2100 GOTParser.parseGOT();
2101 GOTParser.parsePLT();
2104 static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
2105 {"None", Mips::AFL_EXT_NONE},
2106 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
2107 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
2108 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
2109 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
2110 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
2111 {"LSI R4010", Mips::AFL_EXT_4010},
2112 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
2113 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
2114 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
2115 {"MIPS R4650", Mips::AFL_EXT_4650},
2116 {"MIPS R5900", Mips::AFL_EXT_5900},
2117 {"MIPS R10000", Mips::AFL_EXT_10000},
2118 {"NEC VR4100", Mips::AFL_EXT_4100},
2119 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
2120 {"NEC VR4120", Mips::AFL_EXT_4120},
2121 {"NEC VR5400", Mips::AFL_EXT_5400},
2122 {"NEC VR5500", Mips::AFL_EXT_5500},
2123 {"RMI Xlr", Mips::AFL_EXT_XLR},
2124 {"Toshiba R3900", Mips::AFL_EXT_3900}
2127 static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
2128 {"DSP", Mips::AFL_ASE_DSP},
2129 {"DSPR2", Mips::AFL_ASE_DSPR2},
2130 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
2131 {"MCU", Mips::AFL_ASE_MCU},
2132 {"MDMX", Mips::AFL_ASE_MDMX},
2133 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
2134 {"MT", Mips::AFL_ASE_MT},
2135 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
2136 {"VZ", Mips::AFL_ASE_VIRT},
2137 {"MSA", Mips::AFL_ASE_MSA},
2138 {"MIPS16", Mips::AFL_ASE_MIPS16},
2139 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
2140 {"XPA", Mips::AFL_ASE_XPA}
2143 static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
2144 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
2145 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
2146 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
2147 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
2148 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
2149 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
2150 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
2151 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
2152 {"Hard float compat (32-bit CPU, 64-bit FPU)",
2153 Mips::Val_GNU_MIPS_ABI_FP_64A}
2156 static const EnumEntry<unsigned> ElfMipsFlags1[] {
2157 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
2160 static int getMipsRegisterSize(uint8_t Flag) {
2162 case Mips::AFL_REG_NONE:
2164 case Mips::AFL_REG_32:
2166 case Mips::AFL_REG_64:
2168 case Mips::AFL_REG_128:
2175 template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
2176 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
2178 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
2181 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2182 if (Sec.size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
2183 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
2187 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec.data());
2189 raw_ostream &OS = W.getOStream();
2190 DictScope GS(W, "MIPS ABI Flags");
2192 W.printNumber("Version", Flags->version);
2193 W.startLine() << "ISA: ";
2194 if (Flags->isa_rev <= 1)
2195 OS << format("MIPS%u", Flags->isa_level);
2197 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
2199 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
2200 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
2201 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
2202 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
2203 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
2204 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
2205 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
2206 W.printHex("Flags 2", Flags->flags2);
2209 template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
2210 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
2212 W.startLine() << "There is no .reginfo section in the file.\n";
2215 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2216 if (Sec.size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
2217 W.startLine() << "The .reginfo section has a wrong size.\n";
2221 auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec.data());
2223 DictScope GS(W, "MIPS RegInfo");
2224 W.printHex("GP", Reginfo->ri_gp_value);
2225 W.printHex("General Mask", Reginfo->ri_gprmask);
2226 W.printHex("Co-Proc Mask0", Reginfo->ri_cprmask[0]);
2227 W.printHex("Co-Proc Mask1", Reginfo->ri_cprmask[1]);
2228 W.printHex("Co-Proc Mask2", Reginfo->ri_cprmask[2]);
2229 W.printHex("Co-Proc Mask3", Reginfo->ri_cprmask[3]);
2232 template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
2233 const Elf_Shdr *StackMapSection = nullptr;
2234 for (const auto &Sec : Obj->sections()) {
2235 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2236 if (Name == ".llvm_stackmaps") {
2237 StackMapSection = &Sec;
2242 if (!StackMapSection)
2245 StringRef StackMapContents;
2246 ArrayRef<uint8_t> StackMapContentsArray =
2247 unwrapOrError(Obj->getSectionContents(StackMapSection));
2249 prettyPrintStackMap(llvm::outs(), StackMapV1Parser<ELFT::TargetEndianness>(
2250 StackMapContentsArray));
2253 template <class ELFT> void ELFDumper<ELFT>::printGroupSections() {
2254 DictScope Lists(W, "Groups");
2255 uint32_t SectionIndex = 0;
2256 bool HasGroups = false;
2257 for (const Elf_Shdr &Sec : Obj->sections()) {
2258 if (Sec.sh_type == ELF::SHT_GROUP) {
2260 const Elf_Shdr *Symtab = unwrapOrError(Obj->getSection(Sec.sh_link));
2261 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
2262 const Elf_Sym *Sym = Obj->template getEntry<Elf_Sym>(Symtab, Sec.sh_info);
2263 auto Data = unwrapOrError(
2264 Obj->template getSectionContentsAsArray<Elf_Word>(&Sec));
2265 DictScope D(W, "Group");
2266 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2267 W.printNumber("Name", Name, Sec.sh_name);
2268 W.printNumber("Index", SectionIndex);
2269 W.printHex("Type", getGroupType(Data[0]), Data[0]);
2270 W.startLine() << "Signature: " << StrTable.data() + Sym->st_name << "\n";
2272 ListScope L(W, "Section(s) in group");
2274 while (Member < Data.size()) {
2275 auto Sec = unwrapOrError(Obj->getSection(Data[Member]));
2276 const StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
2277 W.startLine() << Name << " (" << Data[Member++] << ")\n";
2284 W.startLine() << "There are no group sections in the file.\n";
2287 static inline void printFields(formatted_raw_ostream &OS, StringRef Str1,
2291 OS.PadToColumn(37u);
2296 template <class ELFT>
2297 void GNUStyle<ELFT>::printFileHeaders(const ELFFile<ELFT> *Obj) {
2298 const Elf_Ehdr *e = Obj->getHeader();
2299 OS << "ELF Header:\n";
2302 for (int i = 0; i < ELF::EI_NIDENT; i++)
2303 OS << format(" %02x", static_cast<int>(e->e_ident[i]));
2305 Str = printEnum(e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
2306 printFields(OS, "Class:", Str);
2307 Str = printEnum(e->e_ident[ELF::EI_DATA], makeArrayRef(ElfDataEncoding));
2308 printFields(OS, "Data:", Str);
2311 OS.PadToColumn(37u);
2312 OS << to_hexString(e->e_ident[ELF::EI_VERSION]);
2313 if (e->e_version == ELF::EV_CURRENT)
2316 Str = printEnum(e->e_ident[ELF::EI_OSABI], makeArrayRef(ElfOSABI));
2317 printFields(OS, "OS/ABI:", Str);
2318 Str = "0x" + to_hexString(e->e_version);
2319 Str = to_hexString(e->e_ident[ELF::EI_ABIVERSION]);
2320 printFields(OS, "ABI Version:", Str);
2321 Str = printEnum(e->e_type, makeArrayRef(ElfObjectFileType));
2322 printFields(OS, "Type:", Str);
2323 Str = printEnum(e->e_machine, makeArrayRef(ElfMachineType));
2324 printFields(OS, "Machine:", Str);
2325 Str = "0x" + to_hexString(e->e_version);
2326 printFields(OS, "Version:", Str);
2327 Str = "0x" + to_hexString(e->e_entry);
2328 printFields(OS, "Entry point address:", Str);
2329 Str = to_string(e->e_phoff) + " (bytes into file)";
2330 printFields(OS, "Start of program headers:", Str);
2331 Str = to_string(e->e_shoff) + " (bytes into file)";
2332 printFields(OS, "Start of section headers:", Str);
2333 Str = "0x" + to_hexString(e->e_flags);
2334 printFields(OS, "Flags:", Str);
2335 Str = to_string(e->e_ehsize) + " (bytes)";
2336 printFields(OS, "Size of this header:", Str);
2337 Str = to_string(e->e_phentsize) + " (bytes)";
2338 printFields(OS, "Size of program headers:", Str);
2339 Str = to_string(e->e_phnum);
2340 printFields(OS, "Number of program headers:", Str);
2341 Str = to_string(e->e_shentsize) + " (bytes)";
2342 printFields(OS, "Size of section headers:", Str);
2343 Str = to_string(e->e_shnum);
2344 printFields(OS, "Number of section headers:", Str);
2345 Str = to_string(e->e_shstrndx);
2346 printFields(OS, "Section header string table index:", Str);
2349 template <class ELFT>
2350 void LLVMStyle<ELFT>::printFileHeaders(const ELFFile<ELFT> *Obj) {
2351 const Elf_Ehdr *e = Obj->getHeader();
2353 DictScope D(W, "ElfHeader");
2355 DictScope D(W, "Ident");
2356 W.printBinary("Magic", makeArrayRef(e->e_ident).slice(ELF::EI_MAG0, 4));
2357 W.printEnum("Class", e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
2358 W.printEnum("DataEncoding", e->e_ident[ELF::EI_DATA],
2359 makeArrayRef(ElfDataEncoding));
2360 W.printNumber("FileVersion", e->e_ident[ELF::EI_VERSION]);
2362 // Handle architecture specific OS/ABI values.
2363 if (e->e_machine == ELF::EM_AMDGPU &&
2364 e->e_ident[ELF::EI_OSABI] == ELF::ELFOSABI_AMDGPU_HSA)
2365 W.printHex("OS/ABI", "AMDGPU_HSA", ELF::ELFOSABI_AMDGPU_HSA);
2367 W.printEnum("OS/ABI", e->e_ident[ELF::EI_OSABI],
2368 makeArrayRef(ElfOSABI));
2369 W.printNumber("ABIVersion", e->e_ident[ELF::EI_ABIVERSION]);
2370 W.printBinary("Unused", makeArrayRef(e->e_ident).slice(ELF::EI_PAD));
2373 W.printEnum("Type", e->e_type, makeArrayRef(ElfObjectFileType));
2374 W.printEnum("Machine", e->e_machine, makeArrayRef(ElfMachineType));
2375 W.printNumber("Version", e->e_version);
2376 W.printHex("Entry", e->e_entry);
2377 W.printHex("ProgramHeaderOffset", e->e_phoff);
2378 W.printHex("SectionHeaderOffset", e->e_shoff);
2379 if (e->e_machine == EM_MIPS)
2380 W.printFlags("Flags", e->e_flags, makeArrayRef(ElfHeaderMipsFlags),
2381 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
2382 unsigned(ELF::EF_MIPS_MACH));
2384 W.printFlags("Flags", e->e_flags);
2385 W.printNumber("HeaderSize", e->e_ehsize);
2386 W.printNumber("ProgramHeaderEntrySize", e->e_phentsize);
2387 W.printNumber("ProgramHeaderCount", e->e_phnum);
2388 W.printNumber("SectionHeaderEntrySize", e->e_shentsize);
2389 W.printNumber("SectionHeaderCount", e->e_shnum);
2390 W.printNumber("StringTableSectionIndex", e->e_shstrndx);