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"
34 using namespace llvm::object;
37 #define LLVM_READOBJ_ENUM_CASE(ns, enum) \
38 case ns::enum: return #enum;
42 template<typename ELFT>
43 class ELFDumper : public ObjDumper {
45 ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer);
47 void printFileHeaders() override;
48 void printSections() override;
49 void printRelocations() override;
50 void printDynamicRelocations() override;
51 void printSymbols() override;
52 void printDynamicSymbols() override;
53 void printUnwindInfo() override;
55 void printDynamicTable() override;
56 void printNeededLibraries() override;
57 void printProgramHeaders() override;
58 void printHashTable() override;
59 void printGnuHashTable() override;
60 void printLoadName() override;
62 void printAttributes() override;
63 void printMipsPLTGOT() override;
64 void printMipsABIFlags() override;
65 void printMipsReginfo() override;
67 void printStackMap() const override;
70 typedef ELFFile<ELFT> ELFO;
71 typedef typename ELFO::Elf_Shdr Elf_Shdr;
72 typedef typename ELFO::Elf_Sym Elf_Sym;
73 typedef typename ELFO::Elf_Dyn Elf_Dyn;
74 typedef typename ELFO::Elf_Dyn_Range Elf_Dyn_Range;
75 typedef typename ELFO::Elf_Rel Elf_Rel;
76 typedef typename ELFO::Elf_Rela Elf_Rela;
77 typedef typename ELFO::Elf_Rela_Range Elf_Rela_Range;
78 typedef typename ELFO::Elf_Phdr Elf_Phdr;
79 typedef typename ELFO::Elf_Hash Elf_Hash;
80 typedef typename ELFO::Elf_GnuHash Elf_GnuHash;
81 typedef typename ELFO::Elf_Ehdr Elf_Ehdr;
82 typedef typename ELFO::Elf_Word Elf_Word;
83 typedef typename ELFO::uintX_t uintX_t;
84 typedef typename ELFO::Elf_Versym Elf_Versym;
85 typedef typename ELFO::Elf_Verneed Elf_Verneed;
86 typedef typename ELFO::Elf_Vernaux Elf_Vernaux;
87 typedef typename ELFO::Elf_Verdef Elf_Verdef;
89 /// \brief Represents a region described by entries in the .dynamic table.
90 struct DynRegionInfo {
91 DynRegionInfo() : Addr(nullptr), Size(0), EntSize(0) {}
92 /// \brief Address in current address space.
94 /// \brief Size in bytes of the region.
96 /// \brief Size of each entity in the region.
100 void printSymbolsHelper(bool IsDynamic);
101 void printSymbol(const Elf_Sym *Symbol, const Elf_Shdr *SymTab,
102 StringRef StrTable, bool IsDynamic);
104 void printRelocations(const Elf_Shdr *Sec);
105 void printRelocation(Elf_Rela Rel, const Elf_Shdr *SymTab);
106 void printValue(uint64_t Type, uint64_t Value);
108 const Elf_Rela *dyn_rela_begin() const;
109 const Elf_Rela *dyn_rela_end() const;
110 Elf_Rela_Range dyn_relas() const;
111 StringRef getDynamicString(uint64_t Offset) const;
112 const Elf_Dyn *dynamic_table_begin() const {
113 ErrorOr<const Elf_Dyn *> Ret = Obj->dynamic_table_begin(DynamicProgHeader);
114 error(Ret.getError());
117 const Elf_Dyn *dynamic_table_end() const {
118 ErrorOr<const Elf_Dyn *> Ret = Obj->dynamic_table_end(DynamicProgHeader);
119 error(Ret.getError());
122 Elf_Dyn_Range dynamic_table() const {
123 ErrorOr<Elf_Dyn_Range> Ret = Obj->dynamic_table(DynamicProgHeader);
124 error(Ret.getError());
128 StringRef getSymbolVersion(StringRef StrTab, const Elf_Sym *symb,
130 void LoadVersionMap();
131 void LoadVersionNeeds(const Elf_Shdr *ec) const;
132 void LoadVersionDefs(const Elf_Shdr *sec) const;
135 DynRegionInfo DynRelaRegion;
136 const Elf_Phdr *DynamicProgHeader = nullptr;
137 StringRef DynamicStringTable;
138 const Elf_Sym *DynSymStart = nullptr;
140 const Elf_Hash *HashTable = nullptr;
141 const Elf_GnuHash *GnuHashTable = nullptr;
142 const Elf_Shdr *DotDynSymSec = nullptr;
143 const Elf_Shdr *DotSymtabSec = nullptr;
144 ArrayRef<Elf_Word> ShndxTable;
146 const Elf_Shdr *dot_gnu_version_sec = nullptr; // .gnu.version
147 const Elf_Shdr *dot_gnu_version_r_sec = nullptr; // .gnu.version_r
148 const Elf_Shdr *dot_gnu_version_d_sec = nullptr; // .gnu.version_d
150 // Records for each version index the corresponding Verdef or Vernaux entry.
151 // This is filled the first time LoadVersionMap() is called.
152 class VersionMapEntry : public PointerIntPair<const void *, 1> {
154 // If the integer is 0, this is an Elf_Verdef*.
155 // If the integer is 1, this is an Elf_Vernaux*.
156 VersionMapEntry() : PointerIntPair<const void *, 1>(nullptr, 0) {}
157 VersionMapEntry(const Elf_Verdef *verdef)
158 : PointerIntPair<const void *, 1>(verdef, 0) {}
159 VersionMapEntry(const Elf_Vernaux *vernaux)
160 : PointerIntPair<const void *, 1>(vernaux, 1) {}
161 bool isNull() const { return getPointer() == nullptr; }
162 bool isVerdef() const { return !isNull() && getInt() == 0; }
163 bool isVernaux() const { return !isNull() && getInt() == 1; }
164 const Elf_Verdef *getVerdef() const {
165 return isVerdef() ? (const Elf_Verdef *)getPointer() : nullptr;
167 const Elf_Vernaux *getVernaux() const {
168 return isVernaux() ? (const Elf_Vernaux *)getPointer() : nullptr;
171 mutable SmallVector<VersionMapEntry, 16> VersionMap;
174 std::string getFullSymbolName(const Elf_Sym *Symbol, StringRef StrTable,
176 const Elf_Shdr *getDotDynSymSec() const { return DotDynSymSec; }
177 const Elf_Shdr *getDotSymtabSec() const { return DotSymtabSec; }
178 ArrayRef<Elf_Word> getShndxTable() { return ShndxTable; }
181 template <class T> T errorOrDefault(ErrorOr<T> Val, T Default = T()) {
183 error(Val.getError());
193 template <class ELFT>
194 static std::error_code createELFDumper(const ELFFile<ELFT> *Obj,
195 StreamWriter &Writer,
196 std::unique_ptr<ObjDumper> &Result) {
197 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
198 return readobj_error::success;
201 std::error_code createELFDumper(const object::ObjectFile *Obj,
202 StreamWriter &Writer,
203 std::unique_ptr<ObjDumper> &Result) {
204 // Little-endian 32-bit
205 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
206 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
209 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
210 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
212 // Little-endian 64-bit
213 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
214 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
217 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
218 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
220 return readobj_error::unsupported_obj_file_format;
225 // Iterate through the versions needed section, and place each Elf_Vernaux
226 // in the VersionMap according to its index.
227 template <class ELFT>
228 void ELFDumper<ELFT>::LoadVersionNeeds(const Elf_Shdr *sec) const {
229 unsigned vn_size = sec->sh_size; // Size of section in bytes
230 unsigned vn_count = sec->sh_info; // Number of Verneed entries
231 const char *sec_start = (const char *)Obj->base() + sec->sh_offset;
232 const char *sec_end = sec_start + vn_size;
233 // The first Verneed entry is at the start of the section.
234 const char *p = sec_start;
235 for (unsigned i = 0; i < vn_count; i++) {
236 if (p + sizeof(Elf_Verneed) > sec_end)
237 report_fatal_error("Section ended unexpectedly while scanning "
238 "version needed records.");
239 const Elf_Verneed *vn = reinterpret_cast<const Elf_Verneed *>(p);
240 if (vn->vn_version != ELF::VER_NEED_CURRENT)
241 report_fatal_error("Unexpected verneed version");
242 // Iterate through the Vernaux entries
243 const char *paux = p + vn->vn_aux;
244 for (unsigned j = 0; j < vn->vn_cnt; j++) {
245 if (paux + sizeof(Elf_Vernaux) > sec_end)
246 report_fatal_error("Section ended unexpected while scanning auxiliary "
247 "version needed records.");
248 const Elf_Vernaux *vna = reinterpret_cast<const Elf_Vernaux *>(paux);
249 size_t index = vna->vna_other & ELF::VERSYM_VERSION;
250 if (index >= VersionMap.size())
251 VersionMap.resize(index + 1);
252 VersionMap[index] = VersionMapEntry(vna);
253 paux += vna->vna_next;
259 // Iterate through the version definitions, and place each Elf_Verdef
260 // in the VersionMap according to its index.
261 template <class ELFT>
262 void ELFDumper<ELFT>::LoadVersionDefs(const Elf_Shdr *sec) const {
263 unsigned vd_size = sec->sh_size; // Size of section in bytes
264 unsigned vd_count = sec->sh_info; // Number of Verdef entries
265 const char *sec_start = (const char *)Obj->base() + sec->sh_offset;
266 const char *sec_end = sec_start + vd_size;
267 // The first Verdef entry is at the start of the section.
268 const char *p = sec_start;
269 for (unsigned i = 0; i < vd_count; i++) {
270 if (p + sizeof(Elf_Verdef) > sec_end)
271 report_fatal_error("Section ended unexpectedly while scanning "
272 "version definitions.");
273 const Elf_Verdef *vd = reinterpret_cast<const Elf_Verdef *>(p);
274 if (vd->vd_version != ELF::VER_DEF_CURRENT)
275 report_fatal_error("Unexpected verdef version");
276 size_t index = vd->vd_ndx & ELF::VERSYM_VERSION;
277 if (index >= VersionMap.size())
278 VersionMap.resize(index + 1);
279 VersionMap[index] = VersionMapEntry(vd);
284 template <class ELFT> void ELFDumper<ELFT>::LoadVersionMap() {
285 // If there is no dynamic symtab or version table, there is nothing to do.
286 if (!DynSymStart || !dot_gnu_version_sec)
289 // Has the VersionMap already been loaded?
290 if (VersionMap.size() > 0)
293 // The first two version indexes are reserved.
294 // Index 0 is LOCAL, index 1 is GLOBAL.
295 VersionMap.push_back(VersionMapEntry());
296 VersionMap.push_back(VersionMapEntry());
298 if (dot_gnu_version_d_sec)
299 LoadVersionDefs(dot_gnu_version_d_sec);
301 if (dot_gnu_version_r_sec)
302 LoadVersionNeeds(dot_gnu_version_r_sec);
305 template <typename ELFT>
306 StringRef ELFDumper<ELFT>::getSymbolVersion(StringRef StrTab,
309 // This is a dynamic symbol. Look in the GNU symbol version table.
310 if (!dot_gnu_version_sec) {
313 return StringRef("");
316 // Determine the position in the symbol table of this entry.
317 size_t entry_index = (reinterpret_cast<uintptr_t>(symb) -
318 reinterpret_cast<uintptr_t>(DynSymStart)) /
321 // Get the corresponding version index entry
322 const Elf_Versym *vs =
323 Obj->template getEntry<Elf_Versym>(dot_gnu_version_sec, entry_index);
324 size_t version_index = vs->vs_index & ELF::VERSYM_VERSION;
326 // Special markers for unversioned symbols.
327 if (version_index == ELF::VER_NDX_LOCAL ||
328 version_index == ELF::VER_NDX_GLOBAL) {
330 return StringRef("");
333 // Lookup this symbol in the version table
335 if (version_index >= VersionMap.size() || VersionMap[version_index].isNull())
336 reportError("Invalid version entry");
337 const VersionMapEntry &entry = VersionMap[version_index];
339 // Get the version name string
341 if (entry.isVerdef()) {
342 // The first Verdaux entry holds the name.
343 name_offset = entry.getVerdef()->getAux()->vda_name;
345 name_offset = entry.getVernaux()->vna_name;
349 if (entry.isVerdef()) {
350 IsDefault = !(vs->vs_index & ELF::VERSYM_HIDDEN);
355 if (name_offset >= StrTab.size())
356 reportError("Invalid string offset");
357 return StringRef(StrTab.data() + name_offset);
360 template <typename ELFT>
361 std::string ELFDumper<ELFT>::getFullSymbolName(const Elf_Sym *Symbol,
364 StringRef SymbolName = errorOrDefault(Symbol->getName(StrTable));
368 std::string FullSymbolName(SymbolName);
371 StringRef Version = getSymbolVersion(StrTable, &*Symbol, IsDefault);
372 FullSymbolName += (IsDefault ? "@@" : "@");
373 FullSymbolName += Version;
374 return FullSymbolName;
377 template <typename ELFO>
379 getSectionNameIndex(const ELFO &Obj, const typename ELFO::Elf_Sym *Symbol,
380 const typename ELFO::Elf_Shdr *SymTab,
381 ArrayRef<typename ELFO::Elf_Word> ShndxTable,
382 StringRef &SectionName, unsigned &SectionIndex) {
383 SectionIndex = Symbol->st_shndx;
384 if (Symbol->isUndefined())
385 SectionName = "Undefined";
386 else if (Symbol->isProcessorSpecific())
387 SectionName = "Processor Specific";
388 else if (Symbol->isOSSpecific())
389 SectionName = "Operating System Specific";
390 else if (Symbol->isAbsolute())
391 SectionName = "Absolute";
392 else if (Symbol->isCommon())
393 SectionName = "Common";
394 else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
395 SectionName = "Reserved";
397 if (SectionIndex == SHN_XINDEX)
399 Obj.getExtendedSymbolTableIndex(Symbol, SymTab, ShndxTable);
400 ErrorOr<const typename ELFO::Elf_Shdr *> Sec = Obj.getSection(SectionIndex);
401 error(Sec.getError());
402 SectionName = errorOrDefault(Obj.getSectionName(*Sec));
406 template <class ELFO>
407 static const typename ELFO::Elf_Shdr *findSectionByAddress(const ELFO *Obj,
409 for (const auto &Shdr : Obj->sections())
410 if (Shdr.sh_addr == Addr)
415 template <class ELFO>
416 static const typename ELFO::Elf_Shdr *findSectionByName(const ELFO &Obj,
418 for (const auto &Shdr : Obj.sections()) {
419 if (Name == errorOrDefault(Obj.getSectionName(&Shdr)))
425 static const EnumEntry<unsigned> ElfClass[] = {
426 { "None", ELF::ELFCLASSNONE },
427 { "32-bit", ELF::ELFCLASS32 },
428 { "64-bit", ELF::ELFCLASS64 },
431 static const EnumEntry<unsigned> ElfDataEncoding[] = {
432 { "None", ELF::ELFDATANONE },
433 { "LittleEndian", ELF::ELFDATA2LSB },
434 { "BigEndian", ELF::ELFDATA2MSB },
437 static const EnumEntry<unsigned> ElfObjectFileType[] = {
438 { "None", ELF::ET_NONE },
439 { "Relocatable", ELF::ET_REL },
440 { "Executable", ELF::ET_EXEC },
441 { "SharedObject", ELF::ET_DYN },
442 { "Core", ELF::ET_CORE },
445 static const EnumEntry<unsigned> ElfOSABI[] = {
446 { "SystemV", ELF::ELFOSABI_NONE },
447 { "HPUX", ELF::ELFOSABI_HPUX },
448 { "NetBSD", ELF::ELFOSABI_NETBSD },
449 { "GNU/Linux", ELF::ELFOSABI_LINUX },
450 { "GNU/Hurd", ELF::ELFOSABI_HURD },
451 { "Solaris", ELF::ELFOSABI_SOLARIS },
452 { "AIX", ELF::ELFOSABI_AIX },
453 { "IRIX", ELF::ELFOSABI_IRIX },
454 { "FreeBSD", ELF::ELFOSABI_FREEBSD },
455 { "TRU64", ELF::ELFOSABI_TRU64 },
456 { "Modesto", ELF::ELFOSABI_MODESTO },
457 { "OpenBSD", ELF::ELFOSABI_OPENBSD },
458 { "OpenVMS", ELF::ELFOSABI_OPENVMS },
459 { "NSK", ELF::ELFOSABI_NSK },
460 { "AROS", ELF::ELFOSABI_AROS },
461 { "FenixOS", ELF::ELFOSABI_FENIXOS },
462 { "CloudABI", ELF::ELFOSABI_CLOUDABI },
463 { "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
464 { "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
465 { "ARM", ELF::ELFOSABI_ARM },
466 { "Standalone" , ELF::ELFOSABI_STANDALONE }
469 static const EnumEntry<unsigned> ElfMachineType[] = {
470 LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
471 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
472 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
473 LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
474 LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
475 LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
476 LLVM_READOBJ_ENUM_ENT(ELF, EM_IAMCU ),
477 LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
478 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
479 LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
480 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
481 LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
482 LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
483 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
484 LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
485 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
486 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
487 LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
488 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
489 LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
490 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
491 LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
492 LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
493 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
494 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
495 LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
496 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
497 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
498 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
499 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
500 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
501 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
502 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
503 LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
504 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
505 LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
506 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
507 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
508 LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
509 LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
510 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
511 LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
512 LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
513 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
514 LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
515 LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
516 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
517 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
518 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
519 LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
520 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
521 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
522 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
523 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
524 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
525 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
526 LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
527 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
528 LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
529 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
530 LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
531 LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
532 LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
533 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
534 LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
535 LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
536 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
537 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
538 LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
539 LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
540 LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
541 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
542 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
543 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
544 LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
545 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
546 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
547 LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
548 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
549 LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
550 LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
551 LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
552 LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
553 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
554 LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
555 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
556 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
557 LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
558 LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
559 LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
560 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
561 LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
562 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
563 LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
564 LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
565 LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
566 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
567 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
568 LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
569 LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
570 LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
571 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
572 LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
573 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
574 LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
575 LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
576 LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
577 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
578 LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
579 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
580 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
581 LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
582 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
583 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
584 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
585 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
586 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
587 LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
588 LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
589 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
590 LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
591 LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
592 LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
593 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
594 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
595 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
596 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
597 LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
598 LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
599 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
600 LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
601 LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
602 LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
603 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
604 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
605 LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
606 LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
607 LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
608 LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
609 LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
610 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
611 LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
612 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
613 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
614 LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
615 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
616 LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
617 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
618 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
619 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
620 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
621 LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
622 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
623 LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
624 LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX ),
625 LLVM_READOBJ_ENUM_ENT(ELF, EM_AMDGPU )
628 static const EnumEntry<unsigned> ElfSymbolBindings[] = {
629 { "Local", ELF::STB_LOCAL },
630 { "Global", ELF::STB_GLOBAL },
631 { "Weak", ELF::STB_WEAK },
632 { "Unique", ELF::STB_GNU_UNIQUE }
635 static const EnumEntry<unsigned> ElfSymbolTypes[] = {
636 { "None", ELF::STT_NOTYPE },
637 { "Object", ELF::STT_OBJECT },
638 { "Function", ELF::STT_FUNC },
639 { "Section", ELF::STT_SECTION },
640 { "File", ELF::STT_FILE },
641 { "Common", ELF::STT_COMMON },
642 { "TLS", ELF::STT_TLS },
643 { "GNU_IFunc", ELF::STT_GNU_IFUNC }
646 static const EnumEntry<unsigned> AMDGPUSymbolTypes[] = {
647 { "AMDGPU_HSA_KERNEL", ELF::STT_AMDGPU_HSA_KERNEL },
648 { "AMDGPU_HSA_INDIRECT_FUNCTION", ELF::STT_AMDGPU_HSA_INDIRECT_FUNCTION },
649 { "AMDGPU_HSA_METADATA", ELF::STT_AMDGPU_HSA_METADATA }
652 static const char *getElfSectionType(unsigned Arch, unsigned Type) {
656 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
657 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
658 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
659 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
660 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
662 case ELF::EM_HEXAGON:
663 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
665 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
667 case ELF::EM_MIPS_RS3_LE:
669 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
670 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
671 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_ABIFLAGS);
676 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
677 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
678 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
679 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
680 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
681 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
682 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
683 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
684 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
685 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
686 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
687 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
688 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
689 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
690 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
691 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
692 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
693 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
694 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
695 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
696 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
697 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
702 static const EnumEntry<unsigned> ElfSectionFlags[] = {
703 LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
704 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
705 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXCLUDE ),
706 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
707 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
708 LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
709 LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
710 LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
711 LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
712 LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
713 LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
714 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
715 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
716 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP ),
717 LLVM_READOBJ_ENUM_ENT(ELF, SHF_AMDGPU_HSA_GLOBAL),
718 LLVM_READOBJ_ENUM_ENT(ELF, SHF_AMDGPU_HSA_READONLY),
719 LLVM_READOBJ_ENUM_ENT(ELF, SHF_AMDGPU_HSA_CODE),
720 LLVM_READOBJ_ENUM_ENT(ELF, SHF_AMDGPU_HSA_AGENT)
723 static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
724 // Check potentially overlapped processor-specific
725 // program header type.
729 LLVM_READOBJ_ENUM_CASE(ELF, PT_AMDGPU_HSA_LOAD_GLOBAL_PROGRAM);
730 LLVM_READOBJ_ENUM_CASE(ELF, PT_AMDGPU_HSA_LOAD_GLOBAL_AGENT);
731 LLVM_READOBJ_ENUM_CASE(ELF, PT_AMDGPU_HSA_LOAD_READONLY_AGENT);
732 LLVM_READOBJ_ENUM_CASE(ELF, PT_AMDGPU_HSA_LOAD_CODE_AGENT);
736 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
739 case ELF::EM_MIPS_RS3_LE:
741 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
742 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
743 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
744 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
749 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
750 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
751 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
752 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
753 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
754 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
755 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
756 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
758 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
759 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
761 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
762 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
767 static const EnumEntry<unsigned> ElfSegmentFlags[] = {
768 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
769 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
770 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
773 static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
774 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NOREORDER),
775 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_PIC),
776 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
777 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
778 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
779 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_FP64),
780 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
781 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
782 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O64),
783 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI32),
784 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI64),
785 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_3900),
786 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4010),
787 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4100),
788 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4650),
789 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4120),
790 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4111),
791 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_SB1),
792 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON),
793 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_XLR),
794 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON2),
795 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON3),
796 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5400),
797 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5900),
798 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5500),
799 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_9000),
800 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2E),
801 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2F),
802 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS3A),
803 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
804 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
805 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_MDMX),
806 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
807 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
808 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
809 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_4),
810 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_5),
811 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32),
812 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64),
813 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R2),
814 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R2),
815 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R6),
816 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R6)
819 template <typename ELFT>
820 ELFDumper<ELFT>::ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer)
821 : ObjDumper(Writer), Obj(Obj) {
823 SmallVector<const Elf_Phdr *, 4> LoadSegments;
824 for (const Elf_Phdr &Phdr : Obj->program_headers()) {
825 if (Phdr.p_type == ELF::PT_DYNAMIC) {
826 DynamicProgHeader = &Phdr;
829 if (Phdr.p_type != ELF::PT_LOAD || Phdr.p_filesz == 0)
831 LoadSegments.push_back(&Phdr);
834 auto toMappedAddr = [&](uint64_t VAddr) -> const uint8_t * {
835 const Elf_Phdr **I = std::upper_bound(
836 LoadSegments.begin(), LoadSegments.end(), VAddr, compareAddr<ELFT>);
837 if (I == LoadSegments.begin())
838 report_fatal_error("Virtual address is not in any segment");
840 const Elf_Phdr &Phdr = **I;
841 uint64_t Delta = VAddr - Phdr.p_vaddr;
842 if (Delta >= Phdr.p_filesz)
843 report_fatal_error("Virtual address is not in any segment");
844 return Obj->base() + Phdr.p_offset + Delta;
847 uint64_t SONameOffset = 0;
848 const char *StringTableBegin = nullptr;
849 uint64_t StringTableSize = 0;
850 for (const Elf_Dyn &Dyn : dynamic_table()) {
854 reinterpret_cast<const Elf_Hash *>(toMappedAddr(Dyn.getPtr()));
856 case ELF::DT_GNU_HASH:
858 reinterpret_cast<const Elf_GnuHash *>(toMappedAddr(Dyn.getPtr()));
861 DynRelaRegion.Addr = toMappedAddr(Dyn.getPtr());
864 DynRelaRegion.Size = Dyn.getVal();
866 case ELF::DT_RELAENT:
867 DynRelaRegion.EntSize = Dyn.getVal();
870 SONameOffset = Dyn.getVal();
873 StringTableBegin = (const char *)toMappedAddr(Dyn.getPtr());
876 StringTableSize = Dyn.getVal();
880 reinterpret_cast<const Elf_Sym *>(toMappedAddr(Dyn.getPtr()));
884 if (StringTableBegin)
885 DynamicStringTable = StringRef(StringTableBegin, StringTableSize);
887 SOName = getDynamicString(SONameOffset);
889 for (const Elf_Shdr &Sec : Obj->sections()) {
890 switch (Sec.sh_type) {
891 case ELF::SHT_GNU_versym:
892 if (dot_gnu_version_sec != nullptr)
893 reportError("Multiple SHT_GNU_versym");
894 dot_gnu_version_sec = &Sec;
896 case ELF::SHT_GNU_verdef:
897 if (dot_gnu_version_d_sec != nullptr)
898 reportError("Multiple SHT_GNU_verdef");
899 dot_gnu_version_d_sec = &Sec;
901 case ELF::SHT_GNU_verneed:
902 if (dot_gnu_version_r_sec != nullptr)
903 reportError("Multilpe SHT_GNU_verneed");
904 dot_gnu_version_r_sec = &Sec;
906 case ELF::SHT_DYNSYM:
907 if (DotDynSymSec != nullptr)
908 reportError("Multilpe SHT_DYNSYM");
911 case ELF::SHT_SYMTAB:
912 if (DotSymtabSec != nullptr)
913 reportError("Multilpe SHT_SYMTAB");
916 case ELF::SHT_SYMTAB_SHNDX: {
917 ErrorOr<ArrayRef<Elf_Word>> TableOrErr = Obj->getSHNDXTable(Sec);
918 error(TableOrErr.getError());
919 ShndxTable = *TableOrErr;
926 template <typename ELFT>
927 const typename ELFDumper<ELFT>::Elf_Rela *
928 ELFDumper<ELFT>::dyn_rela_begin() const {
929 if (DynRelaRegion.Size && DynRelaRegion.EntSize != sizeof(Elf_Rela))
930 report_fatal_error("Invalid relocation entry size");
931 return reinterpret_cast<const Elf_Rela *>(DynRelaRegion.Addr);
934 template <typename ELFT>
935 const typename ELFDumper<ELFT>::Elf_Rela *
936 ELFDumper<ELFT>::dyn_rela_end() const {
937 uint64_t Size = DynRelaRegion.Size;
938 if (Size % sizeof(Elf_Rela))
939 report_fatal_error("Invalid relocation table size");
940 return dyn_rela_begin() + Size / sizeof(Elf_Rela);
943 template <typename ELFT>
944 typename ELFDumper<ELFT>::Elf_Rela_Range ELFDumper<ELFT>::dyn_relas() const {
945 return make_range(dyn_rela_begin(), dyn_rela_end());
949 void ELFDumper<ELFT>::printFileHeaders() {
950 const Elf_Ehdr *Header = Obj->getHeader();
953 DictScope D(W, "ElfHeader");
955 DictScope D(W, "Ident");
956 W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
958 W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
959 makeArrayRef(ElfClass));
960 W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
961 makeArrayRef(ElfDataEncoding));
962 W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
964 // Handle architecture specific OS/ABI values.
965 if (Header->e_machine == ELF::EM_AMDGPU &&
966 Header->e_ident[ELF::EI_OSABI] == ELF::ELFOSABI_AMDGPU_HSA)
967 W.printHex("OS/ABI", "AMDGPU_HSA", ELF::ELFOSABI_AMDGPU_HSA);
969 W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
970 makeArrayRef(ElfOSABI));
971 W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
972 W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
975 W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
976 W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
977 W.printNumber("Version", Header->e_version);
978 W.printHex ("Entry", Header->e_entry);
979 W.printHex ("ProgramHeaderOffset", Header->e_phoff);
980 W.printHex ("SectionHeaderOffset", Header->e_shoff);
981 if (Header->e_machine == EM_MIPS)
982 W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
983 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
984 unsigned(ELF::EF_MIPS_MACH));
986 W.printFlags("Flags", Header->e_flags);
987 W.printNumber("HeaderSize", Header->e_ehsize);
988 W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
989 W.printNumber("ProgramHeaderCount", Header->e_phnum);
990 W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
991 W.printNumber("SectionHeaderCount", Header->e_shnum);
992 W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
997 void ELFDumper<ELFT>::printSections() {
998 ListScope SectionsD(W, "Sections");
1000 int SectionIndex = -1;
1001 for (const Elf_Shdr &Sec : Obj->sections()) {
1004 StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
1006 DictScope SectionD(W, "Section");
1007 W.printNumber("Index", SectionIndex);
1008 W.printNumber("Name", Name, Sec.sh_name);
1010 getElfSectionType(Obj->getHeader()->e_machine, Sec.sh_type),
1012 W.printFlags("Flags", Sec.sh_flags, makeArrayRef(ElfSectionFlags));
1013 W.printHex("Address", Sec.sh_addr);
1014 W.printHex("Offset", Sec.sh_offset);
1015 W.printNumber("Size", Sec.sh_size);
1016 W.printNumber("Link", Sec.sh_link);
1017 W.printNumber("Info", Sec.sh_info);
1018 W.printNumber("AddressAlignment", Sec.sh_addralign);
1019 W.printNumber("EntrySize", Sec.sh_entsize);
1021 if (opts::SectionRelocations) {
1022 ListScope D(W, "Relocations");
1023 printRelocations(&Sec);
1026 if (opts::SectionSymbols) {
1027 ListScope D(W, "Symbols");
1028 const Elf_Shdr *Symtab = DotSymtabSec;
1029 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
1030 error(StrTableOrErr.getError());
1031 StringRef StrTable = *StrTableOrErr;
1033 for (const Elf_Sym &Sym : Obj->symbols(Symtab)) {
1034 ErrorOr<const Elf_Shdr *> SymSec =
1035 Obj->getSection(&Sym, Symtab, ShndxTable);
1038 if (*SymSec == &Sec)
1039 printSymbol(&Sym, Symtab, StrTable, false);
1043 if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
1044 ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(&Sec));
1045 W.printBinaryBlock("SectionData",
1046 StringRef((const char *)Data.data(), Data.size()));
1051 template<class ELFT>
1052 void ELFDumper<ELFT>::printRelocations() {
1053 ListScope D(W, "Relocations");
1055 int SectionNumber = -1;
1056 for (const Elf_Shdr &Sec : Obj->sections()) {
1059 if (Sec.sh_type != ELF::SHT_REL && Sec.sh_type != ELF::SHT_RELA)
1062 StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
1064 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
1067 printRelocations(&Sec);
1070 W.startLine() << "}\n";
1074 template<class ELFT>
1075 void ELFDumper<ELFT>::printDynamicRelocations() {
1076 W.startLine() << "Dynamic Relocations {\n";
1078 for (const Elf_Rela &Rel : dyn_relas()) {
1079 SmallString<32> RelocName;
1080 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
1081 StringRef SymbolName;
1082 uint32_t SymIndex = Rel.getSymbol(Obj->isMips64EL());
1083 const Elf_Sym *Sym = DynSymStart + SymIndex;
1084 SymbolName = errorOrDefault(Sym->getName(DynamicStringTable));
1085 if (opts::ExpandRelocs) {
1086 DictScope Group(W, "Relocation");
1087 W.printHex("Offset", Rel.r_offset);
1088 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
1089 W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
1090 W.printHex("Addend", Rel.r_addend);
1093 raw_ostream& OS = W.startLine();
1094 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
1095 << (SymbolName.size() > 0 ? SymbolName : "-") << " "
1096 << W.hex(Rel.r_addend) << "\n";
1100 W.startLine() << "}\n";
1103 template <class ELFT>
1104 void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
1105 ErrorOr<const Elf_Shdr *> SymTabOrErr = Obj->getSection(Sec->sh_link);
1106 error(SymTabOrErr.getError());
1107 const Elf_Shdr *SymTab = *SymTabOrErr;
1109 switch (Sec->sh_type) {
1111 for (const Elf_Rel &R : Obj->rels(Sec)) {
1113 Rela.r_offset = R.r_offset;
1114 Rela.r_info = R.r_info;
1116 printRelocation(Rela, SymTab);
1120 for (const Elf_Rela &R : Obj->relas(Sec))
1121 printRelocation(R, SymTab);
1126 template <class ELFT>
1127 void ELFDumper<ELFT>::printRelocation(Elf_Rela Rel, const Elf_Shdr *SymTab) {
1128 SmallString<32> RelocName;
1129 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
1130 StringRef TargetName;
1131 const Elf_Sym *Sym = Obj->getRelocationSymbol(&Rel, SymTab);
1132 if (Sym && Sym->getType() == ELF::STT_SECTION) {
1133 ErrorOr<const Elf_Shdr *> Sec = Obj->getSection(Sym, SymTab, ShndxTable);
1134 error(Sec.getError());
1135 ErrorOr<StringRef> SecName = Obj->getSectionName(*Sec);
1137 TargetName = SecName.get();
1139 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*SymTab);
1140 error(StrTableOrErr.getError());
1141 TargetName = errorOrDefault(Sym->getName(*StrTableOrErr));
1144 if (opts::ExpandRelocs) {
1145 DictScope Group(W, "Relocation");
1146 W.printHex("Offset", Rel.r_offset);
1147 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
1148 W.printNumber("Symbol", TargetName.size() > 0 ? TargetName : "-",
1149 Rel.getSymbol(Obj->isMips64EL()));
1150 W.printHex("Addend", Rel.r_addend);
1152 raw_ostream& OS = W.startLine();
1153 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
1154 << (TargetName.size() > 0 ? TargetName : "-") << " "
1155 << W.hex(Rel.r_addend) << "\n";
1159 template<class ELFT>
1160 void ELFDumper<ELFT>::printSymbolsHelper(bool IsDynamic) {
1161 const Elf_Shdr *Symtab = (IsDynamic) ? DotDynSymSec : DotSymtabSec;
1164 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
1165 error(StrTableOrErr.getError());
1166 StringRef StrTable = *StrTableOrErr;
1167 for (const Elf_Sym &Sym : Obj->symbols(Symtab))
1168 printSymbol(&Sym, Symtab, StrTable, IsDynamic);
1171 template<class ELFT>
1172 void ELFDumper<ELFT>::printSymbols() {
1173 ListScope Group(W, "Symbols");
1174 printSymbolsHelper(false);
1177 template<class ELFT>
1178 void ELFDumper<ELFT>::printDynamicSymbols() {
1179 ListScope Group(W, "DynamicSymbols");
1180 printSymbolsHelper(true);
1183 template <class ELFT>
1184 void ELFDumper<ELFT>::printSymbol(const Elf_Sym *Symbol, const Elf_Shdr *SymTab,
1185 StringRef StrTable, bool IsDynamic) {
1186 unsigned SectionIndex = 0;
1187 StringRef SectionName;
1188 getSectionNameIndex(*Obj, Symbol, SymTab, ShndxTable, SectionName,
1190 std::string FullSymbolName = getFullSymbolName(Symbol, StrTable, IsDynamic);
1191 unsigned char SymbolType = Symbol->getType();
1193 DictScope D(W, "Symbol");
1194 W.printNumber("Name", FullSymbolName, Symbol->st_name);
1195 W.printHex ("Value", Symbol->st_value);
1196 W.printNumber("Size", Symbol->st_size);
1197 W.printEnum ("Binding", Symbol->getBinding(),
1198 makeArrayRef(ElfSymbolBindings));
1199 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
1200 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
1201 W.printEnum ("Type", SymbolType, makeArrayRef(AMDGPUSymbolTypes));
1203 W.printEnum ("Type", SymbolType, makeArrayRef(ElfSymbolTypes));
1204 W.printNumber("Other", Symbol->st_other);
1205 W.printHex("Section", SectionName, SectionIndex);
1208 #define LLVM_READOBJ_TYPE_CASE(name) \
1209 case DT_##name: return #name
1211 static const char *getTypeString(uint64_t Type) {
1213 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
1214 LLVM_READOBJ_TYPE_CASE(DEBUG);
1215 LLVM_READOBJ_TYPE_CASE(FINI);
1216 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
1217 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
1218 LLVM_READOBJ_TYPE_CASE(FLAGS);
1219 LLVM_READOBJ_TYPE_CASE(FLAGS_1);
1220 LLVM_READOBJ_TYPE_CASE(HASH);
1221 LLVM_READOBJ_TYPE_CASE(INIT);
1222 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
1223 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
1224 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
1225 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
1226 LLVM_READOBJ_TYPE_CASE(JMPREL);
1227 LLVM_READOBJ_TYPE_CASE(NEEDED);
1228 LLVM_READOBJ_TYPE_CASE(NULL);
1229 LLVM_READOBJ_TYPE_CASE(PLTGOT);
1230 LLVM_READOBJ_TYPE_CASE(PLTREL);
1231 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
1232 LLVM_READOBJ_TYPE_CASE(REL);
1233 LLVM_READOBJ_TYPE_CASE(RELA);
1234 LLVM_READOBJ_TYPE_CASE(RELENT);
1235 LLVM_READOBJ_TYPE_CASE(RELSZ);
1236 LLVM_READOBJ_TYPE_CASE(RELAENT);
1237 LLVM_READOBJ_TYPE_CASE(RELASZ);
1238 LLVM_READOBJ_TYPE_CASE(RPATH);
1239 LLVM_READOBJ_TYPE_CASE(RUNPATH);
1240 LLVM_READOBJ_TYPE_CASE(SONAME);
1241 LLVM_READOBJ_TYPE_CASE(STRSZ);
1242 LLVM_READOBJ_TYPE_CASE(STRTAB);
1243 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
1244 LLVM_READOBJ_TYPE_CASE(SYMENT);
1245 LLVM_READOBJ_TYPE_CASE(SYMTAB);
1246 LLVM_READOBJ_TYPE_CASE(TEXTREL);
1247 LLVM_READOBJ_TYPE_CASE(VERDEF);
1248 LLVM_READOBJ_TYPE_CASE(VERDEFNUM);
1249 LLVM_READOBJ_TYPE_CASE(VERNEED);
1250 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
1251 LLVM_READOBJ_TYPE_CASE(VERSYM);
1252 LLVM_READOBJ_TYPE_CASE(RELCOUNT);
1253 LLVM_READOBJ_TYPE_CASE(GNU_HASH);
1254 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
1255 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP_REL);
1256 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
1257 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
1258 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
1259 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
1260 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
1261 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
1262 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
1263 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
1264 LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
1265 default: return "unknown";
1269 #undef LLVM_READOBJ_TYPE_CASE
1271 #define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
1272 { #enum, prefix##_##enum }
1274 static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
1275 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
1276 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
1277 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
1278 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
1279 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
1282 static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
1283 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
1284 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
1285 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
1286 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
1287 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
1288 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
1289 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
1290 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
1291 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
1292 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
1293 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
1294 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
1295 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
1296 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
1297 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
1298 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
1299 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
1300 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
1301 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
1302 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
1303 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
1304 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
1305 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
1306 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
1307 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
1310 static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
1311 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
1312 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
1313 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
1314 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
1315 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
1316 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
1317 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
1318 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
1319 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
1320 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
1321 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
1322 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
1323 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
1324 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
1325 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
1326 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
1329 #undef LLVM_READOBJ_DT_FLAG_ENT
1331 template <typename T, typename TFlag>
1332 void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
1333 typedef EnumEntry<TFlag> FlagEntry;
1334 typedef SmallVector<FlagEntry, 10> FlagVector;
1335 FlagVector SetFlags;
1337 for (const auto &Flag : Flags) {
1338 if (Flag.Value == 0)
1341 if ((Value & Flag.Value) == Flag.Value)
1342 SetFlags.push_back(Flag);
1345 for (const auto &Flag : SetFlags) {
1346 OS << Flag.Name << " ";
1350 template <class ELFT>
1351 StringRef ELFDumper<ELFT>::getDynamicString(uint64_t Value) const {
1352 if (Value >= DynamicStringTable.size())
1353 reportError("Invalid dynamic string table reference");
1354 return StringRef(DynamicStringTable.data() + Value);
1357 template <class ELFT>
1358 void ELFDumper<ELFT>::printValue(uint64_t Type, uint64_t Value) {
1359 raw_ostream &OS = W.getOStream();
1362 if (Value == DT_REL) {
1365 } else if (Value == DT_RELA) {
1381 case DT_PREINIT_ARRAY:
1388 case DT_MIPS_BASE_ADDRESS:
1389 case DT_MIPS_GOTSYM:
1390 case DT_MIPS_RLD_MAP:
1391 case DT_MIPS_RLD_MAP_REL:
1392 case DT_MIPS_PLTGOT:
1393 case DT_MIPS_OPTIONS:
1394 OS << format("0x%" PRIX64, Value);
1399 case DT_MIPS_RLD_VERSION:
1400 case DT_MIPS_LOCAL_GOTNO:
1401 case DT_MIPS_SYMTABNO:
1402 case DT_MIPS_UNREFEXTNO:
1412 case DT_INIT_ARRAYSZ:
1413 case DT_FINI_ARRAYSZ:
1414 case DT_PREINIT_ARRAYSZ:
1415 OS << Value << " (bytes)";
1418 OS << "SharedLibrary (" << getDynamicString(Value) << ")";
1421 OS << "LibrarySoname (" << getDynamicString(Value) << ")";
1425 OS << getDynamicString(Value);
1428 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
1431 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
1434 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
1437 OS << format("0x%" PRIX64, Value);
1442 template<class ELFT>
1443 void ELFDumper<ELFT>::printUnwindInfo() {
1444 W.startLine() << "UnwindInfo not implemented.\n";
1448 template <> void ELFDumper<ELFType<support::little, false>>::printUnwindInfo() {
1449 const unsigned Machine = Obj->getHeader()->e_machine;
1450 if (Machine == EM_ARM) {
1451 ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(
1452 W, Obj, DotSymtabSec);
1453 return Ctx.PrintUnwindInformation();
1455 W.startLine() << "UnwindInfo not implemented.\n";
1459 template<class ELFT>
1460 void ELFDumper<ELFT>::printDynamicTable() {
1461 auto I = dynamic_table_begin();
1462 auto E = dynamic_table_end();
1468 while (I != E && E->getTag() == ELF::DT_NULL)
1470 if (E->getTag() != ELF::DT_NULL)
1474 ptrdiff_t Total = std::distance(I, E);
1478 raw_ostream &OS = W.getOStream();
1479 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1481 bool Is64 = ELFT::Is64Bits;
1484 << " Tag" << (Is64 ? " " : " ") << "Type"
1485 << " " << "Name/Value\n";
1487 const Elf_Dyn &Entry = *I;
1488 uintX_t Tag = Entry.getTag();
1490 W.startLine() << " " << format_hex(Tag, Is64 ? 18 : 10, true) << " "
1491 << format("%-21s", getTypeString(Tag));
1492 printValue(Tag, Entry.getVal());
1496 W.startLine() << "]\n";
1499 template<class ELFT>
1500 void ELFDumper<ELFT>::printNeededLibraries() {
1501 ListScope D(W, "NeededLibraries");
1503 typedef std::vector<StringRef> LibsTy;
1506 for (const auto &Entry : dynamic_table())
1507 if (Entry.d_tag == ELF::DT_NEEDED)
1508 Libs.push_back(getDynamicString(Entry.d_un.d_val));
1510 std::stable_sort(Libs.begin(), Libs.end());
1512 for (const auto &L : Libs) {
1513 outs() << " " << L << "\n";
1517 template<class ELFT>
1518 void ELFDumper<ELFT>::printProgramHeaders() {
1519 ListScope L(W, "ProgramHeaders");
1521 for (const Elf_Phdr &Phdr : Obj->program_headers()) {
1522 DictScope P(W, "ProgramHeader");
1524 getElfSegmentType(Obj->getHeader()->e_machine, Phdr.p_type),
1526 W.printHex("Offset", Phdr.p_offset);
1527 W.printHex("VirtualAddress", Phdr.p_vaddr);
1528 W.printHex("PhysicalAddress", Phdr.p_paddr);
1529 W.printNumber("FileSize", Phdr.p_filesz);
1530 W.printNumber("MemSize", Phdr.p_memsz);
1531 W.printFlags("Flags", Phdr.p_flags, makeArrayRef(ElfSegmentFlags));
1532 W.printNumber("Alignment", Phdr.p_align);
1536 template <typename ELFT>
1537 void ELFDumper<ELFT>::printHashTable() {
1538 DictScope D(W, "HashTable");
1541 W.printNumber("Num Buckets", HashTable->nbucket);
1542 W.printNumber("Num Chains", HashTable->nchain);
1543 W.printList("Buckets", HashTable->buckets());
1544 W.printList("Chains", HashTable->chains());
1547 template <typename ELFT>
1548 void ELFDumper<ELFT>::printGnuHashTable() {
1549 DictScope D(W, "GnuHashTable");
1552 W.printNumber("Num Buckets", GnuHashTable->nbuckets);
1553 W.printNumber("First Hashed Symbol Index", GnuHashTable->symndx);
1554 W.printNumber("Num Mask Words", GnuHashTable->maskwords);
1555 W.printNumber("Shift Count", GnuHashTable->shift2);
1556 W.printHexList("Bloom Filter", GnuHashTable->filter());
1557 W.printList("Buckets", GnuHashTable->buckets());
1559 reportError("No dynamic symbol section");
1560 W.printHexList("Values",
1561 GnuHashTable->values(DotDynSymSec->getEntityCount()));
1564 template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
1565 outs() << "LoadName: " << SOName << '\n';
1568 template <class ELFT>
1569 void ELFDumper<ELFT>::printAttributes() {
1570 W.startLine() << "Attributes not implemented.\n";
1574 template <> void ELFDumper<ELFType<support::little, false>>::printAttributes() {
1575 if (Obj->getHeader()->e_machine != EM_ARM) {
1576 W.startLine() << "Attributes not implemented.\n";
1580 DictScope BA(W, "BuildAttributes");
1581 for (const ELFO::Elf_Shdr &Sec : Obj->sections()) {
1582 if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
1585 ErrorOr<ArrayRef<uint8_t>> Contents = Obj->getSectionContents(&Sec);
1589 if ((*Contents)[0] != ARMBuildAttrs::Format_Version) {
1590 errs() << "unrecognised FormatVersion: 0x" << utohexstr((*Contents)[0])
1595 W.printHex("FormatVersion", (*Contents)[0]);
1596 if (Contents->size() == 1)
1599 ARMAttributeParser(W).Parse(*Contents);
1605 template <class ELFT> class MipsGOTParser {
1607 typedef object::ELFFile<ELFT> ELFO;
1608 typedef typename ELFO::Elf_Shdr Elf_Shdr;
1609 typedef typename ELFO::Elf_Sym Elf_Sym;
1610 typedef typename ELFO::Elf_Dyn_Range Elf_Dyn_Range;
1611 typedef typename ELFO::Elf_Addr GOTEntry;
1612 typedef typename ELFO::Elf_Rel Elf_Rel;
1613 typedef typename ELFO::Elf_Rela Elf_Rela;
1615 MipsGOTParser(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
1616 Elf_Dyn_Range DynTable, StreamWriter &W);
1622 ELFDumper<ELFT> *Dumper;
1625 llvm::Optional<uint64_t> DtPltGot;
1626 llvm::Optional<uint64_t> DtLocalGotNum;
1627 llvm::Optional<uint64_t> DtGotSym;
1628 llvm::Optional<uint64_t> DtMipsPltGot;
1629 llvm::Optional<uint64_t> DtJmpRel;
1631 std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
1632 const GOTEntry *makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
1634 void printGotEntry(uint64_t GotAddr, const GOTEntry *BeginIt,
1635 const GOTEntry *It);
1636 void printGlobalGotEntry(uint64_t GotAddr, const GOTEntry *BeginIt,
1637 const GOTEntry *It, const Elf_Sym *Sym,
1638 StringRef StrTable, bool IsDynamic);
1639 void printPLTEntry(uint64_t PLTAddr, const GOTEntry *BeginIt,
1640 const GOTEntry *It, StringRef Purpose);
1641 void printPLTEntry(uint64_t PLTAddr, const GOTEntry *BeginIt,
1642 const GOTEntry *It, StringRef StrTable,
1643 const Elf_Sym *Sym);
1647 template <class ELFT>
1648 MipsGOTParser<ELFT>::MipsGOTParser(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
1649 Elf_Dyn_Range DynTable, StreamWriter &W)
1650 : Dumper(Dumper), Obj(Obj), W(W) {
1651 for (const auto &Entry : DynTable) {
1652 switch (Entry.getTag()) {
1653 case ELF::DT_PLTGOT:
1654 DtPltGot = Entry.getVal();
1656 case ELF::DT_MIPS_LOCAL_GOTNO:
1657 DtLocalGotNum = Entry.getVal();
1659 case ELF::DT_MIPS_GOTSYM:
1660 DtGotSym = Entry.getVal();
1662 case ELF::DT_MIPS_PLTGOT:
1663 DtMipsPltGot = Entry.getVal();
1665 case ELF::DT_JMPREL:
1666 DtJmpRel = Entry.getVal();
1672 template <class ELFT> void MipsGOTParser<ELFT>::parseGOT() {
1673 // See "Global Offset Table" in Chapter 5 in the following document
1674 // for detailed GOT description.
1675 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
1677 W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
1680 if (!DtLocalGotNum) {
1681 W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
1685 W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
1689 const Elf_Shdr *GOTShdr = findSectionByAddress(Obj, *DtPltGot);
1691 W.startLine() << "There is no .got section in the file.\n";
1695 ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(GOTShdr);
1697 W.startLine() << "The .got section is empty.\n";
1701 if (*DtLocalGotNum > getGOTTotal(*GOT)) {
1702 W.startLine() << "MIPS_LOCAL_GOTNO exceeds a number of GOT entries.\n";
1706 const Elf_Shdr *DynSymSec = Dumper->getDotDynSymSec();
1707 ErrorOr<StringRef> StrTable = Obj->getStringTableForSymtab(*DynSymSec);
1708 error(StrTable.getError());
1709 const Elf_Sym *DynSymBegin = Obj->symbol_begin(DynSymSec);
1710 const Elf_Sym *DynSymEnd = Obj->symbol_end(DynSymSec);
1711 std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
1713 if (*DtGotSym > DynSymTotal) {
1714 W.startLine() << "MIPS_GOTSYM exceeds a number of dynamic symbols.\n";
1718 std::size_t GlobalGotNum = DynSymTotal - *DtGotSym;
1720 if (*DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT)) {
1721 W.startLine() << "Number of global GOT entries exceeds the size of GOT.\n";
1725 const GOTEntry *GotBegin = makeGOTIter(*GOT, 0);
1726 const GOTEntry *GotLocalEnd = makeGOTIter(*GOT, *DtLocalGotNum);
1727 const GOTEntry *It = GotBegin;
1729 DictScope GS(W, "Primary GOT");
1731 W.printHex("Canonical gp value", GOTShdr->sh_addr + 0x7ff0);
1733 ListScope RS(W, "Reserved entries");
1736 DictScope D(W, "Entry");
1737 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
1738 W.printString("Purpose", StringRef("Lazy resolver"));
1741 if (It != GotLocalEnd && (*It >> (sizeof(GOTEntry) * 8 - 1)) != 0) {
1742 DictScope D(W, "Entry");
1743 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
1744 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
1748 ListScope LS(W, "Local entries");
1749 for (; It != GotLocalEnd; ++It) {
1750 DictScope D(W, "Entry");
1751 printGotEntry(GOTShdr->sh_addr, GotBegin, It);
1755 ListScope GS(W, "Global entries");
1757 const GOTEntry *GotGlobalEnd =
1758 makeGOTIter(*GOT, *DtLocalGotNum + GlobalGotNum);
1759 const Elf_Sym *GotDynSym = DynSymBegin + *DtGotSym;
1760 for (; It != GotGlobalEnd; ++It) {
1761 DictScope D(W, "Entry");
1762 printGlobalGotEntry(GOTShdr->sh_addr, GotBegin, It, GotDynSym++,
1767 std::size_t SpecGotNum = getGOTTotal(*GOT) - *DtLocalGotNum - GlobalGotNum;
1768 W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
1771 template <class ELFT> void MipsGOTParser<ELFT>::parsePLT() {
1772 if (!DtMipsPltGot) {
1773 W.startLine() << "Cannot find MIPS_PLTGOT dynamic table tag.\n";
1777 W.startLine() << "Cannot find JMPREL dynamic table tag.\n";
1781 const Elf_Shdr *PLTShdr = findSectionByAddress(Obj, *DtMipsPltGot);
1783 W.startLine() << "There is no .got.plt section in the file.\n";
1786 ErrorOr<ArrayRef<uint8_t>> PLT = Obj->getSectionContents(PLTShdr);
1788 W.startLine() << "The .got.plt section is empty.\n";
1792 const Elf_Shdr *PLTRelShdr = findSectionByAddress(Obj, *DtJmpRel);
1794 W.startLine() << "There is no .rel.plt section in the file.\n";
1797 ErrorOr<const Elf_Shdr *> SymTableOrErr =
1798 Obj->getSection(PLTRelShdr->sh_link);
1799 error(SymTableOrErr.getError());
1800 const Elf_Shdr *SymTable = *SymTableOrErr;
1801 ErrorOr<StringRef> StrTable = Obj->getStringTableForSymtab(*SymTable);
1802 error(StrTable.getError());
1804 const GOTEntry *PLTBegin = makeGOTIter(*PLT, 0);
1805 const GOTEntry *PLTEnd = makeGOTIter(*PLT, getGOTTotal(*PLT));
1806 const GOTEntry *It = PLTBegin;
1808 DictScope GS(W, "PLT GOT");
1810 ListScope RS(W, "Reserved entries");
1811 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "PLT lazy resolver");
1813 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "Module pointer");
1816 ListScope GS(W, "Entries");
1818 switch (PLTRelShdr->sh_type) {
1820 for (const Elf_Rel *RI = Obj->rel_begin(PLTRelShdr),
1821 *RE = Obj->rel_end(PLTRelShdr);
1822 RI != RE && It != PLTEnd; ++RI, ++It) {
1823 const Elf_Sym *Sym = Obj->getRelocationSymbol(&*RI, SymTable);
1824 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, *StrTable, Sym);
1828 for (const Elf_Rela *RI = Obj->rela_begin(PLTRelShdr),
1829 *RE = Obj->rela_end(PLTRelShdr);
1830 RI != RE && It != PLTEnd; ++RI, ++It) {
1831 const Elf_Sym *Sym = Obj->getRelocationSymbol(&*RI, SymTable);
1832 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, *StrTable, Sym);
1839 template <class ELFT>
1840 std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
1841 return GOT.size() / sizeof(GOTEntry);
1844 template <class ELFT>
1845 const typename MipsGOTParser<ELFT>::GOTEntry *
1846 MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
1847 const char *Data = reinterpret_cast<const char *>(GOT.data());
1848 return reinterpret_cast<const GOTEntry *>(Data + EntryNum * sizeof(GOTEntry));
1851 template <class ELFT>
1852 void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr,
1853 const GOTEntry *BeginIt,
1854 const GOTEntry *It) {
1855 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1856 W.printHex("Address", GotAddr + Offset);
1857 W.printNumber("Access", Offset - 0x7ff0);
1858 W.printHex("Initial", *It);
1861 template <class ELFT>
1862 void MipsGOTParser<ELFT>::printGlobalGotEntry(
1863 uint64_t GotAddr, const GOTEntry *BeginIt, const GOTEntry *It,
1864 const Elf_Sym *Sym, StringRef StrTable, bool IsDynamic) {
1865 printGotEntry(GotAddr, BeginIt, It);
1867 W.printHex("Value", Sym->st_value);
1868 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1870 unsigned SectionIndex = 0;
1871 StringRef SectionName;
1872 getSectionNameIndex(*Obj, Sym, Dumper->getDotDynSymSec(),
1873 Dumper->getShndxTable(), SectionName, SectionIndex);
1874 W.printHex("Section", SectionName, SectionIndex);
1876 std::string FullSymbolName =
1877 Dumper->getFullSymbolName(Sym, StrTable, IsDynamic);
1878 W.printNumber("Name", FullSymbolName, Sym->st_name);
1881 template <class ELFT>
1882 void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr,
1883 const GOTEntry *BeginIt,
1884 const GOTEntry *It, StringRef Purpose) {
1885 DictScope D(W, "Entry");
1886 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1887 W.printHex("Address", PLTAddr + Offset);
1888 W.printHex("Initial", *It);
1889 W.printString("Purpose", Purpose);
1892 template <class ELFT>
1893 void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr,
1894 const GOTEntry *BeginIt,
1895 const GOTEntry *It, StringRef StrTable,
1896 const Elf_Sym *Sym) {
1897 DictScope D(W, "Entry");
1898 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1899 W.printHex("Address", PLTAddr + Offset);
1900 W.printHex("Initial", *It);
1901 W.printHex("Value", Sym->st_value);
1902 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1904 unsigned SectionIndex = 0;
1905 StringRef SectionName;
1906 getSectionNameIndex(*Obj, Sym, Dumper->getDotDynSymSec(),
1907 Dumper->getShndxTable(), SectionName, SectionIndex);
1908 W.printHex("Section", SectionName, SectionIndex);
1910 std::string FullSymbolName = Dumper->getFullSymbolName(Sym, StrTable, true);
1911 W.printNumber("Name", FullSymbolName, Sym->st_name);
1914 template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
1915 if (Obj->getHeader()->e_machine != EM_MIPS) {
1916 W.startLine() << "MIPS PLT GOT is available for MIPS targets only.\n";
1920 MipsGOTParser<ELFT> GOTParser(this, Obj, dynamic_table(), W);
1921 GOTParser.parseGOT();
1922 GOTParser.parsePLT();
1925 static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
1926 {"None", Mips::AFL_EXT_NONE},
1927 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
1928 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
1929 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
1930 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
1931 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
1932 {"LSI R4010", Mips::AFL_EXT_4010},
1933 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
1934 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
1935 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
1936 {"MIPS R4650", Mips::AFL_EXT_4650},
1937 {"MIPS R5900", Mips::AFL_EXT_5900},
1938 {"MIPS R10000", Mips::AFL_EXT_10000},
1939 {"NEC VR4100", Mips::AFL_EXT_4100},
1940 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
1941 {"NEC VR4120", Mips::AFL_EXT_4120},
1942 {"NEC VR5400", Mips::AFL_EXT_5400},
1943 {"NEC VR5500", Mips::AFL_EXT_5500},
1944 {"RMI Xlr", Mips::AFL_EXT_XLR},
1945 {"Toshiba R3900", Mips::AFL_EXT_3900}
1948 static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
1949 {"DSP", Mips::AFL_ASE_DSP},
1950 {"DSPR2", Mips::AFL_ASE_DSPR2},
1951 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
1952 {"MCU", Mips::AFL_ASE_MCU},
1953 {"MDMX", Mips::AFL_ASE_MDMX},
1954 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
1955 {"MT", Mips::AFL_ASE_MT},
1956 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
1957 {"VZ", Mips::AFL_ASE_VIRT},
1958 {"MSA", Mips::AFL_ASE_MSA},
1959 {"MIPS16", Mips::AFL_ASE_MIPS16},
1960 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
1961 {"XPA", Mips::AFL_ASE_XPA}
1964 static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
1965 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
1966 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
1967 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
1968 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
1969 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
1970 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
1971 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
1972 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
1973 {"Hard float compat (32-bit CPU, 64-bit FPU)",
1974 Mips::Val_GNU_MIPS_ABI_FP_64A}
1977 static const EnumEntry<unsigned> ElfMipsFlags1[] {
1978 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
1981 static int getMipsRegisterSize(uint8_t Flag) {
1983 case Mips::AFL_REG_NONE:
1985 case Mips::AFL_REG_32:
1987 case Mips::AFL_REG_64:
1989 case Mips::AFL_REG_128:
1996 template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
1997 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
1999 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
2002 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
2004 W.startLine() << "The .MIPS.abiflags section is empty.\n";
2007 if (Sec->size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
2008 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
2012 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec->data());
2014 raw_ostream &OS = W.getOStream();
2015 DictScope GS(W, "MIPS ABI Flags");
2017 W.printNumber("Version", Flags->version);
2018 W.startLine() << "ISA: ";
2019 if (Flags->isa_rev <= 1)
2020 OS << format("MIPS%u", Flags->isa_level);
2022 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
2024 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
2025 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
2026 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
2027 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
2028 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
2029 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
2030 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
2031 W.printHex("Flags 2", Flags->flags2);
2034 template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
2035 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
2037 W.startLine() << "There is no .reginfo section in the file.\n";
2040 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
2042 W.startLine() << "The .reginfo section is empty.\n";
2045 if (Sec->size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
2046 W.startLine() << "The .reginfo section has a wrong size.\n";
2050 auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec->data());
2052 DictScope GS(W, "MIPS RegInfo");
2053 W.printHex("GP", Reginfo->ri_gp_value);
2054 W.printHex("General Mask", Reginfo->ri_gprmask);
2055 W.printHex("Co-Proc Mask0", Reginfo->ri_cprmask[0]);
2056 W.printHex("Co-Proc Mask1", Reginfo->ri_cprmask[1]);
2057 W.printHex("Co-Proc Mask2", Reginfo->ri_cprmask[2]);
2058 W.printHex("Co-Proc Mask3", Reginfo->ri_cprmask[3]);
2061 template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
2062 const Elf_Shdr *StackMapSection = nullptr;
2063 for (const auto &Sec : Obj->sections()) {
2064 ErrorOr<StringRef> Name = Obj->getSectionName(&Sec);
2065 if (*Name == ".llvm_stackmaps") {
2066 StackMapSection = &Sec;
2071 if (!StackMapSection)
2074 StringRef StackMapContents;
2075 ErrorOr<ArrayRef<uint8_t>> StackMapContentsArray =
2076 Obj->getSectionContents(StackMapSection);
2078 prettyPrintStackMap(
2080 StackMapV1Parser<ELFT::TargetEndianness>(*StackMapContentsArray));