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 "StreamWriter.h"
21 #include "llvm/ADT/Optional.h"
22 #include "llvm/ADT/SmallString.h"
23 #include "llvm/ADT/StringExtras.h"
24 #include "llvm/Object/ELFObjectFile.h"
25 #include "llvm/Support/ARMBuildAttributes.h"
26 #include "llvm/Support/Compiler.h"
27 #include "llvm/Support/Format.h"
28 #include "llvm/Support/MathExtras.h"
29 #include "llvm/Support/MipsABIFlags.h"
30 #include "llvm/Support/raw_ostream.h"
33 using namespace llvm::object;
36 #define LLVM_READOBJ_ENUM_CASE(ns, enum) \
37 case ns::enum: return #enum;
41 template<typename ELFT>
42 class ELFDumper : public ObjDumper {
44 ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer)
45 : ObjDumper(Writer), Obj(Obj) {}
47 void printFileHeaders() override;
48 void printSections() override;
49 void printRelocations() override;
50 void printSymbols() override;
51 void printDynamicSymbols() override;
52 void printUnwindInfo() override;
54 void printDynamicTable() override;
55 void printNeededLibraries() override;
56 void printProgramHeaders() override;
58 void printAttributes() override;
59 void printMipsPLTGOT() override;
60 void printMipsABIFlags() override;
61 void printMipsReginfo() override;
64 typedef ELFFile<ELFT> ELFO;
65 typedef typename ELFO::Elf_Shdr Elf_Shdr;
66 typedef typename ELFO::Elf_Sym Elf_Sym;
68 void printSymbol(typename ELFO::Elf_Sym_Iter Symbol);
70 void printRelocations(const Elf_Shdr *Sec);
71 void printRelocation(const Elf_Shdr *Sec, typename ELFO::Elf_Rela Rel);
76 template <class T> T errorOrDefault(ErrorOr<T> Val, T Default = T()) {
78 error(Val.getError());
89 static std::error_code createELFDumper(const ELFFile<ELFT> *Obj,
91 std::unique_ptr<ObjDumper> &Result) {
92 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
93 return readobj_error::success;
96 std::error_code createELFDumper(const object::ObjectFile *Obj,
98 std::unique_ptr<ObjDumper> &Result) {
99 // Little-endian 32-bit
100 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
101 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
104 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
105 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
107 // Little-endian 64-bit
108 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
109 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
112 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
113 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
115 return readobj_error::unsupported_obj_file_format;
120 template <typename ELFO>
121 static std::string getFullSymbolName(const ELFO &Obj,
122 typename ELFO::Elf_Sym_Iter Symbol) {
123 StringRef SymbolName = errorOrDefault(Obj.getSymbolName(Symbol));
124 if (!Symbol.isDynamic())
127 std::string FullSymbolName(SymbolName);
130 ErrorOr<StringRef> Version =
131 Obj.getSymbolVersion(nullptr, &*Symbol, IsDefault);
133 FullSymbolName += (IsDefault ? "@@" : "@");
134 FullSymbolName += *Version;
136 error(Version.getError());
137 return FullSymbolName;
140 template <typename ELFO>
142 getSectionNameIndex(const ELFO &Obj, typename ELFO::Elf_Sym_Iter Symbol,
143 StringRef &SectionName, unsigned &SectionIndex) {
144 SectionIndex = Symbol->st_shndx;
145 if (Symbol->isUndefined())
146 SectionName = "Undefined";
147 else if (Symbol->isProcessorSpecific())
148 SectionName = "Processor Specific";
149 else if (Symbol->isOSSpecific())
150 SectionName = "Operating System Specific";
151 else if (Symbol->isAbsolute())
152 SectionName = "Absolute";
153 else if (Symbol->isCommon())
154 SectionName = "Common";
155 else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
156 SectionName = "Reserved";
158 if (SectionIndex == SHN_XINDEX)
159 SectionIndex = Obj.getSymbolTableIndex(&*Symbol);
160 assert(SectionIndex != SHN_XINDEX &&
161 "getSymbolTableIndex should handle this");
162 const typename ELFO::Elf_Shdr *Sec = Obj.getSection(SectionIndex);
163 SectionName = errorOrDefault(Obj.getSectionName(Sec));
167 template <class ELFT>
168 static const typename ELFFile<ELFT>::Elf_Shdr *
169 findSectionByAddress(const ELFFile<ELFT> *Obj, uint64_t Addr) {
170 for (const auto &Shdr : Obj->sections())
171 if (Shdr.sh_addr == Addr)
176 template <class ELFT>
177 static const typename ELFFile<ELFT>::Elf_Shdr *
178 findSectionByName(const ELFFile<ELFT> &Obj, StringRef Name) {
179 for (const auto &Shdr : Obj.sections()) {
180 if (Name == errorOrDefault(Obj.getSectionName(&Shdr)))
186 static const EnumEntry<unsigned> ElfClass[] = {
187 { "None", ELF::ELFCLASSNONE },
188 { "32-bit", ELF::ELFCLASS32 },
189 { "64-bit", ELF::ELFCLASS64 },
192 static const EnumEntry<unsigned> ElfDataEncoding[] = {
193 { "None", ELF::ELFDATANONE },
194 { "LittleEndian", ELF::ELFDATA2LSB },
195 { "BigEndian", ELF::ELFDATA2MSB },
198 static const EnumEntry<unsigned> ElfObjectFileType[] = {
199 { "None", ELF::ET_NONE },
200 { "Relocatable", ELF::ET_REL },
201 { "Executable", ELF::ET_EXEC },
202 { "SharedObject", ELF::ET_DYN },
203 { "Core", ELF::ET_CORE },
206 static const EnumEntry<unsigned> ElfOSABI[] = {
207 { "SystemV", ELF::ELFOSABI_NONE },
208 { "HPUX", ELF::ELFOSABI_HPUX },
209 { "NetBSD", ELF::ELFOSABI_NETBSD },
210 { "GNU/Linux", ELF::ELFOSABI_LINUX },
211 { "GNU/Hurd", ELF::ELFOSABI_HURD },
212 { "Solaris", ELF::ELFOSABI_SOLARIS },
213 { "AIX", ELF::ELFOSABI_AIX },
214 { "IRIX", ELF::ELFOSABI_IRIX },
215 { "FreeBSD", ELF::ELFOSABI_FREEBSD },
216 { "TRU64", ELF::ELFOSABI_TRU64 },
217 { "Modesto", ELF::ELFOSABI_MODESTO },
218 { "OpenBSD", ELF::ELFOSABI_OPENBSD },
219 { "OpenVMS", ELF::ELFOSABI_OPENVMS },
220 { "NSK", ELF::ELFOSABI_NSK },
221 { "AROS", ELF::ELFOSABI_AROS },
222 { "FenixOS", ELF::ELFOSABI_FENIXOS },
223 { "CloudABI", ELF::ELFOSABI_CLOUDABI },
224 { "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
225 { "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
226 { "ARM", ELF::ELFOSABI_ARM },
227 { "Standalone" , ELF::ELFOSABI_STANDALONE }
230 static const EnumEntry<unsigned> ElfMachineType[] = {
231 LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
232 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
233 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
234 LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
235 LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
236 LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
237 LLVM_READOBJ_ENUM_ENT(ELF, EM_486 ),
238 LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
239 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
240 LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
241 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
242 LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
243 LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
244 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
245 LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
246 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
247 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
248 LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
249 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
250 LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
251 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
252 LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
253 LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
254 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
255 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
256 LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
257 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
258 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
259 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
260 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
261 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
262 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
263 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
264 LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
265 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
266 LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
267 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
268 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
269 LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
270 LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
271 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
272 LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
273 LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
274 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
275 LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
276 LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
277 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
278 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
279 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
280 LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
281 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
282 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
283 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
284 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
285 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
286 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
287 LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
288 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
289 LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
290 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
291 LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
292 LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
293 LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
294 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
295 LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
296 LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
297 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
298 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
299 LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
300 LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
301 LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
302 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
303 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
304 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
305 LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
306 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
307 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
308 LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
309 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
310 LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
311 LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
312 LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
313 LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
314 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
315 LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
316 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
317 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
318 LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
319 LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
320 LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
321 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
322 LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
323 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
324 LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
325 LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
326 LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
327 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
328 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
329 LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
330 LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
331 LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
332 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
333 LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
334 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
335 LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
336 LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
337 LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
338 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
339 LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
340 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
341 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
342 LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
343 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
344 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
345 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
346 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
347 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
348 LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
349 LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
350 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
351 LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
352 LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
353 LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
354 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
355 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
356 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
357 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
358 LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
359 LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
360 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
361 LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
362 LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
363 LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
364 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
365 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
366 LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
367 LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
368 LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
369 LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
370 LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
371 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
372 LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
373 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
374 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
375 LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
376 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
377 LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
378 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
379 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
380 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
381 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
382 LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
383 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
384 LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
385 LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX )
388 static const EnumEntry<unsigned> ElfSymbolBindings[] = {
389 { "Local", ELF::STB_LOCAL },
390 { "Global", ELF::STB_GLOBAL },
391 { "Weak", ELF::STB_WEAK },
392 { "Unique", ELF::STB_GNU_UNIQUE }
395 static const EnumEntry<unsigned> ElfSymbolTypes[] = {
396 { "None", ELF::STT_NOTYPE },
397 { "Object", ELF::STT_OBJECT },
398 { "Function", ELF::STT_FUNC },
399 { "Section", ELF::STT_SECTION },
400 { "File", ELF::STT_FILE },
401 { "Common", ELF::STT_COMMON },
402 { "TLS", ELF::STT_TLS },
403 { "GNU_IFunc", ELF::STT_GNU_IFUNC }
406 static const char *getElfSectionType(unsigned Arch, unsigned Type) {
410 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
411 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
412 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
413 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
414 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
416 case ELF::EM_HEXAGON:
417 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
419 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
421 case ELF::EM_MIPS_RS3_LE:
423 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
424 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
425 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_ABIFLAGS);
430 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
431 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
432 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
433 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
434 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
435 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
436 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
437 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
438 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
439 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
440 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
441 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
442 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
443 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
444 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
445 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
446 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
447 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
448 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
449 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
450 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
451 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
456 static const EnumEntry<unsigned> ElfSectionFlags[] = {
457 LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
458 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
459 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXCLUDE ),
460 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
461 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
462 LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
463 LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
464 LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
465 LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
466 LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
467 LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
468 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
469 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
470 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
473 static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
474 // Check potentially overlapped processor-specific
475 // program header type.
479 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
482 case ELF::EM_MIPS_RS3_LE:
484 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
485 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
486 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
487 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
492 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
493 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
494 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
495 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
496 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
497 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
498 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
499 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
501 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
502 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
504 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
505 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
510 static const EnumEntry<unsigned> ElfSegmentFlags[] = {
511 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
512 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
513 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
516 static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
517 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NOREORDER),
518 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_PIC),
519 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
520 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
521 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
522 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_FP64),
523 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
524 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
525 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O64),
526 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI32),
527 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI64),
528 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_3900),
529 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4010),
530 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4100),
531 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4650),
532 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4120),
533 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4111),
534 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_SB1),
535 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON),
536 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_XLR),
537 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON2),
538 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON3),
539 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5400),
540 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5900),
541 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5500),
542 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_9000),
543 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2E),
544 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2F),
545 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS3A),
546 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
547 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
548 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_MDMX),
549 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
550 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
551 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
552 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_4),
553 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_5),
554 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32),
555 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64),
556 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R2),
557 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R2),
558 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R6),
559 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R6)
563 void ELFDumper<ELFT>::printFileHeaders() {
564 const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
567 DictScope D(W, "ElfHeader");
569 DictScope D(W, "Ident");
570 W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
572 W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
573 makeArrayRef(ElfClass));
574 W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
575 makeArrayRef(ElfDataEncoding));
576 W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
577 W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
578 makeArrayRef(ElfOSABI));
579 W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
580 W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
583 W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
584 W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
585 W.printNumber("Version", Header->e_version);
586 W.printHex ("Entry", Header->e_entry);
587 W.printHex ("ProgramHeaderOffset", Header->e_phoff);
588 W.printHex ("SectionHeaderOffset", Header->e_shoff);
589 if (Header->e_machine == EM_MIPS)
590 W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
591 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
592 unsigned(ELF::EF_MIPS_MACH));
594 W.printFlags("Flags", Header->e_flags);
595 W.printNumber("HeaderSize", Header->e_ehsize);
596 W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
597 W.printNumber("ProgramHeaderCount", Header->e_phnum);
598 W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
599 W.printNumber("SectionHeaderCount", Header->e_shnum);
600 W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
605 void ELFDumper<ELFT>::printSections() {
606 ListScope SectionsD(W, "Sections");
608 int SectionIndex = -1;
609 for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
610 SecE = Obj->end_sections();
611 SecI != SecE; ++SecI) {
614 const Elf_Shdr *Section = &*SecI;
615 StringRef Name = errorOrDefault(Obj->getSectionName(Section));
617 DictScope SectionD(W, "Section");
618 W.printNumber("Index", SectionIndex);
619 W.printNumber("Name", Name, Section->sh_name);
621 getElfSectionType(Obj->getHeader()->e_machine, Section->sh_type),
623 W.printFlags ("Flags", Section->sh_flags, makeArrayRef(ElfSectionFlags));
624 W.printHex ("Address", Section->sh_addr);
625 W.printHex ("Offset", Section->sh_offset);
626 W.printNumber("Size", Section->sh_size);
627 W.printNumber("Link", Section->sh_link);
628 W.printNumber("Info", Section->sh_info);
629 W.printNumber("AddressAlignment", Section->sh_addralign);
630 W.printNumber("EntrySize", Section->sh_entsize);
632 if (opts::SectionRelocations) {
633 ListScope D(W, "Relocations");
634 printRelocations(Section);
637 if (opts::SectionSymbols) {
638 ListScope D(W, "Symbols");
639 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
640 SymE = Obj->end_symbols();
641 SymI != SymE; ++SymI) {
642 if (Obj->getSection(&*SymI) == Section)
647 if (opts::SectionData && Section->sh_type != ELF::SHT_NOBITS) {
648 ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(Section));
649 W.printBinaryBlock("SectionData",
650 StringRef((const char *)Data.data(), Data.size()));
656 void ELFDumper<ELFT>::printRelocations() {
657 ListScope D(W, "Relocations");
659 int SectionNumber = -1;
660 for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
661 SecE = Obj->end_sections();
662 SecI != SecE; ++SecI) {
665 if (SecI->sh_type != ELF::SHT_REL && SecI->sh_type != ELF::SHT_RELA)
668 StringRef Name = errorOrDefault(Obj->getSectionName(&*SecI));
670 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
673 printRelocations(&*SecI);
676 W.startLine() << "}\n";
680 template <class ELFT>
681 void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
682 switch (Sec->sh_type) {
684 for (typename ELFO::Elf_Rel_Iter RI = Obj->begin_rel(Sec),
685 RE = Obj->end_rel(Sec);
687 typename ELFO::Elf_Rela Rela;
688 Rela.r_offset = RI->r_offset;
689 Rela.r_info = RI->r_info;
691 printRelocation(Sec, Rela);
695 for (typename ELFO::Elf_Rela_Iter RI = Obj->begin_rela(Sec),
696 RE = Obj->end_rela(Sec);
698 printRelocation(Sec, *RI);
704 template <class ELFT>
705 void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
706 typename ELFO::Elf_Rela Rel) {
707 SmallString<32> RelocName;
708 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
709 StringRef TargetName;
710 std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
711 Obj->getRelocationSymbol(Sec, &Rel);
712 if (Sym.second && Sym.second->getType() == ELF::STT_SECTION) {
713 const Elf_Shdr *Sec = Obj->getSection(Sym.second);
714 ErrorOr<StringRef> SecName = Obj->getSectionName(Sec);
716 TargetName = SecName.get();
717 } else if (Sym.first) {
718 TargetName = errorOrDefault(Obj->getSymbolName(Sym.first, Sym.second));
721 if (opts::ExpandRelocs) {
722 DictScope Group(W, "Relocation");
723 W.printHex("Offset", Rel.r_offset);
724 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
725 W.printNumber("Symbol", TargetName.size() > 0 ? TargetName : "-",
726 Rel.getSymbol(Obj->isMips64EL()));
727 W.printHex("Addend", Rel.r_addend);
729 raw_ostream& OS = W.startLine();
730 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
731 << (TargetName.size() > 0 ? TargetName : "-") << " "
732 << W.hex(Rel.r_addend) << "\n";
737 void ELFDumper<ELFT>::printSymbols() {
738 ListScope Group(W, "Symbols");
739 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
740 SymE = Obj->end_symbols();
741 SymI != SymE; ++SymI) {
747 void ELFDumper<ELFT>::printDynamicSymbols() {
748 ListScope Group(W, "DynamicSymbols");
750 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_dynamic_symbols(),
751 SymE = Obj->end_dynamic_symbols();
752 SymI != SymE; ++SymI) {
757 template <class ELFT>
758 void ELFDumper<ELFT>::printSymbol(typename ELFO::Elf_Sym_Iter Symbol) {
759 unsigned SectionIndex = 0;
760 StringRef SectionName;
761 getSectionNameIndex(*Obj, Symbol, SectionName, SectionIndex);
762 std::string FullSymbolName = getFullSymbolName(*Obj, Symbol);
764 DictScope D(W, "Symbol");
765 W.printNumber("Name", FullSymbolName, Symbol->st_name);
766 W.printHex ("Value", Symbol->st_value);
767 W.printNumber("Size", Symbol->st_size);
768 W.printEnum ("Binding", Symbol->getBinding(),
769 makeArrayRef(ElfSymbolBindings));
770 W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
771 W.printNumber("Other", Symbol->st_other);
772 W.printHex("Section", SectionName, SectionIndex);
775 #define LLVM_READOBJ_TYPE_CASE(name) \
776 case DT_##name: return #name
778 static const char *getTypeString(uint64_t Type) {
780 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
781 LLVM_READOBJ_TYPE_CASE(DEBUG);
782 LLVM_READOBJ_TYPE_CASE(FINI);
783 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
784 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
785 LLVM_READOBJ_TYPE_CASE(FLAGS);
786 LLVM_READOBJ_TYPE_CASE(FLAGS_1);
787 LLVM_READOBJ_TYPE_CASE(HASH);
788 LLVM_READOBJ_TYPE_CASE(INIT);
789 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
790 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
791 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
792 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
793 LLVM_READOBJ_TYPE_CASE(JMPREL);
794 LLVM_READOBJ_TYPE_CASE(NEEDED);
795 LLVM_READOBJ_TYPE_CASE(NULL);
796 LLVM_READOBJ_TYPE_CASE(PLTGOT);
797 LLVM_READOBJ_TYPE_CASE(PLTREL);
798 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
799 LLVM_READOBJ_TYPE_CASE(REL);
800 LLVM_READOBJ_TYPE_CASE(RELA);
801 LLVM_READOBJ_TYPE_CASE(RELENT);
802 LLVM_READOBJ_TYPE_CASE(RELSZ);
803 LLVM_READOBJ_TYPE_CASE(RELAENT);
804 LLVM_READOBJ_TYPE_CASE(RELASZ);
805 LLVM_READOBJ_TYPE_CASE(RPATH);
806 LLVM_READOBJ_TYPE_CASE(RUNPATH);
807 LLVM_READOBJ_TYPE_CASE(SONAME);
808 LLVM_READOBJ_TYPE_CASE(STRSZ);
809 LLVM_READOBJ_TYPE_CASE(STRTAB);
810 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
811 LLVM_READOBJ_TYPE_CASE(SYMENT);
812 LLVM_READOBJ_TYPE_CASE(SYMTAB);
813 LLVM_READOBJ_TYPE_CASE(TEXTREL);
814 LLVM_READOBJ_TYPE_CASE(VERNEED);
815 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
816 LLVM_READOBJ_TYPE_CASE(VERSYM);
817 LLVM_READOBJ_TYPE_CASE(RELCOUNT);
818 LLVM_READOBJ_TYPE_CASE(GNU_HASH);
819 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
820 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
821 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
822 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
823 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
824 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
825 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
826 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
827 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
828 LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
829 default: return "unknown";
833 #undef LLVM_READOBJ_TYPE_CASE
835 #define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
836 { #enum, prefix##_##enum }
838 static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
839 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
840 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
841 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
842 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
843 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
846 static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
847 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
848 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
849 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
850 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
851 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
852 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
853 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
854 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
855 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
856 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
857 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
858 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
859 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
860 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
861 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
862 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
863 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
864 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
865 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
866 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
867 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
868 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
869 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
870 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
871 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
874 static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
875 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
876 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
877 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
878 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
879 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
880 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
881 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
882 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
883 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
884 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
885 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
886 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
887 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
888 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
889 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
890 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
893 #undef LLVM_READOBJ_DT_FLAG_ENT
895 template <typename T, typename TFlag>
896 void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
897 typedef EnumEntry<TFlag> FlagEntry;
898 typedef SmallVector<FlagEntry, 10> FlagVector;
901 for (const auto &Flag : Flags) {
905 if ((Value & Flag.Value) == Flag.Value)
906 SetFlags.push_back(Flag);
909 for (const auto &Flag : SetFlags) {
910 OS << Flag.Name << " ";
914 template <class ELFT>
915 static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
916 bool Is64, raw_ostream &OS) {
919 if (Value == DT_REL) {
922 } else if (Value == DT_RELA) {
938 case DT_PREINIT_ARRAY:
944 case DT_MIPS_BASE_ADDRESS:
946 case DT_MIPS_RLD_MAP:
948 case DT_MIPS_OPTIONS:
949 OS << format("0x%" PRIX64, Value);
953 case DT_MIPS_RLD_VERSION:
954 case DT_MIPS_LOCAL_GOTNO:
955 case DT_MIPS_SYMTABNO:
956 case DT_MIPS_UNREFEXTNO:
966 case DT_INIT_ARRAYSZ:
967 case DT_FINI_ARRAYSZ:
968 case DT_PREINIT_ARRAYSZ:
969 OS << Value << " (bytes)";
972 OS << "SharedLibrary (" << O->getDynamicString(Value) << ")";
975 OS << "LibrarySoname (" << O->getDynamicString(Value) << ")";
979 OS << O->getDynamicString(Value);
982 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
985 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
988 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
994 void ELFDumper<ELFT>::printUnwindInfo() {
995 W.startLine() << "UnwindInfo not implemented.\n";
999 template <> void ELFDumper<ELFType<support::little, false>>::printUnwindInfo() {
1000 const unsigned Machine = Obj->getHeader()->e_machine;
1001 if (Machine == EM_ARM) {
1002 ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(W, Obj);
1003 return Ctx.PrintUnwindInformation();
1005 W.startLine() << "UnwindInfo not implemented.\n";
1009 template<class ELFT>
1010 void ELFDumper<ELFT>::printDynamicTable() {
1011 auto DynTable = Obj->dynamic_table(true);
1013 ptrdiff_t Total = std::distance(DynTable.begin(), DynTable.end());
1017 raw_ostream &OS = W.getOStream();
1018 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1020 bool Is64 = ELFT::Is64Bits;
1023 << " Tag" << (Is64 ? " " : " ") << "Type"
1024 << " " << "Name/Value\n";
1025 for (const auto &Entry : DynTable) {
1028 << format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Entry.getTag())
1029 << " " << format("%-21s", getTypeString(Entry.getTag()));
1030 printValue(Obj, Entry.getTag(), Entry.getVal(), Is64, OS);
1034 W.startLine() << "]\n";
1037 template<class ELFT>
1038 void ELFDumper<ELFT>::printNeededLibraries() {
1039 ListScope D(W, "NeededLibraries");
1041 typedef std::vector<StringRef> LibsTy;
1044 for (const auto &Entry : Obj->dynamic_table())
1045 if (Entry.d_tag == ELF::DT_NEEDED)
1046 Libs.push_back(Obj->getDynamicString(Entry.d_un.d_val));
1048 std::stable_sort(Libs.begin(), Libs.end());
1050 for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end(); I != E; ++I) {
1051 outs() << " " << *I << "\n";
1055 template<class ELFT>
1056 void ELFDumper<ELFT>::printProgramHeaders() {
1057 ListScope L(W, "ProgramHeaders");
1059 for (typename ELFO::Elf_Phdr_Iter PI = Obj->begin_program_headers(),
1060 PE = Obj->end_program_headers();
1062 DictScope P(W, "ProgramHeader");
1064 getElfSegmentType(Obj->getHeader()->e_machine, PI->p_type),
1066 W.printHex ("Offset", PI->p_offset);
1067 W.printHex ("VirtualAddress", PI->p_vaddr);
1068 W.printHex ("PhysicalAddress", PI->p_paddr);
1069 W.printNumber("FileSize", PI->p_filesz);
1070 W.printNumber("MemSize", PI->p_memsz);
1071 W.printFlags ("Flags", PI->p_flags, makeArrayRef(ElfSegmentFlags));
1072 W.printNumber("Alignment", PI->p_align);
1076 template <class ELFT>
1077 void ELFDumper<ELFT>::printAttributes() {
1078 W.startLine() << "Attributes not implemented.\n";
1082 template <> void ELFDumper<ELFType<support::little, false>>::printAttributes() {
1083 if (Obj->getHeader()->e_machine != EM_ARM) {
1084 W.startLine() << "Attributes not implemented.\n";
1088 DictScope BA(W, "BuildAttributes");
1089 for (ELFO::Elf_Shdr_Iter SI = Obj->begin_sections(), SE = Obj->end_sections();
1091 if (SI->sh_type != ELF::SHT_ARM_ATTRIBUTES)
1094 ErrorOr<ArrayRef<uint8_t> > Contents = Obj->getSectionContents(&(*SI));
1098 if ((*Contents)[0] != ARMBuildAttrs::Format_Version) {
1099 errs() << "unrecognised FormatVersion: 0x" << utohexstr((*Contents)[0])
1104 W.printHex("FormatVersion", (*Contents)[0]);
1105 if (Contents->size() == 1)
1108 ARMAttributeParser(W).Parse(*Contents);
1114 template <class ELFT> class MipsGOTParser {
1116 typedef object::ELFFile<ELFT> ObjectFile;
1117 typedef typename ObjectFile::Elf_Shdr Elf_Shdr;
1119 MipsGOTParser(const ObjectFile *Obj, StreamWriter &W) : Obj(Obj), W(W) {}
1121 void parseGOT(const Elf_Shdr &GOTShdr);
1124 typedef typename ObjectFile::Elf_Sym_Iter Elf_Sym_Iter;
1125 typedef typename ObjectFile::Elf_Addr GOTEntry;
1126 typedef typename ObjectFile::template ELFEntityIterator<const GOTEntry>
1129 const ObjectFile *Obj;
1132 std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
1133 GOTIter makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
1135 bool getGOTTags(uint64_t &LocalGotNum, uint64_t &GotSym);
1136 void printGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It);
1137 void printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It,
1142 template <class ELFT>
1143 void MipsGOTParser<ELFT>::parseGOT(const Elf_Shdr &GOTShdr) {
1144 // See "Global Offset Table" in Chapter 5 in the following document
1145 // for detailed GOT description.
1146 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
1148 ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(&GOTShdr);
1150 W.startLine() << "The .got section is empty.\n";
1154 uint64_t DtLocalGotNum;
1156 if (!getGOTTags(DtLocalGotNum, DtGotSym))
1159 if (DtLocalGotNum > getGOTTotal(*GOT)) {
1160 W.startLine() << "MIPS_LOCAL_GOTNO exceeds a number of GOT entries.\n";
1164 Elf_Sym_Iter DynSymBegin = Obj->begin_dynamic_symbols();
1165 Elf_Sym_Iter DynSymEnd = Obj->end_dynamic_symbols();
1166 std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
1168 if (DtGotSym > DynSymTotal) {
1169 W.startLine() << "MIPS_GOTSYM exceeds a number of dynamic symbols.\n";
1173 std::size_t GlobalGotNum = DynSymTotal - DtGotSym;
1175 if (DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT)) {
1176 W.startLine() << "Number of global GOT entries exceeds the size of GOT.\n";
1180 GOTIter GotBegin = makeGOTIter(*GOT, 0);
1181 GOTIter GotLocalEnd = makeGOTIter(*GOT, DtLocalGotNum);
1182 GOTIter It = GotBegin;
1184 DictScope GS(W, "Primary GOT");
1186 W.printHex("Canonical gp value", GOTShdr.sh_addr + 0x7ff0);
1188 ListScope RS(W, "Reserved entries");
1191 DictScope D(W, "Entry");
1192 printGotEntry(GOTShdr.sh_addr, GotBegin, It++);
1193 W.printString("Purpose", StringRef("Lazy resolver"));
1196 if (It != GotLocalEnd && (*It >> (sizeof(GOTEntry) * 8 - 1)) != 0) {
1197 DictScope D(W, "Entry");
1198 printGotEntry(GOTShdr.sh_addr, GotBegin, It++);
1199 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
1203 ListScope LS(W, "Local entries");
1204 for (; It != GotLocalEnd; ++It) {
1205 DictScope D(W, "Entry");
1206 printGotEntry(GOTShdr.sh_addr, GotBegin, It);
1210 ListScope GS(W, "Global entries");
1212 GOTIter GotGlobalEnd = makeGOTIter(*GOT, DtLocalGotNum + GlobalGotNum);
1213 Elf_Sym_Iter GotDynSym = DynSymBegin + DtGotSym;
1214 for (; It != GotGlobalEnd; ++It) {
1215 DictScope D(W, "Entry");
1216 printGlobalGotEntry(GOTShdr.sh_addr, GotBegin, It, GotDynSym++);
1220 std::size_t SpecGotNum = getGOTTotal(*GOT) - DtLocalGotNum - GlobalGotNum;
1221 W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
1224 template <class ELFT>
1225 std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
1226 return GOT.size() / sizeof(GOTEntry);
1229 template <class ELFT>
1230 typename MipsGOTParser<ELFT>::GOTIter
1231 MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
1232 const char *Data = reinterpret_cast<const char *>(GOT.data());
1233 return GOTIter(sizeof(GOTEntry), Data + EntryNum * sizeof(GOTEntry));
1236 template <class ELFT>
1237 bool MipsGOTParser<ELFT>::getGOTTags(uint64_t &LocalGotNum, uint64_t &GotSym) {
1238 bool FoundLocalGotNum = false;
1239 bool FoundGotSym = false;
1240 for (const auto &Entry : Obj->dynamic_table()) {
1241 switch (Entry.getTag()) {
1242 case ELF::DT_MIPS_LOCAL_GOTNO:
1243 LocalGotNum = Entry.getVal();
1244 FoundLocalGotNum = true;
1246 case ELF::DT_MIPS_GOTSYM:
1247 GotSym = Entry.getVal();
1253 if (!FoundLocalGotNum) {
1254 W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
1259 W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
1266 template <class ELFT>
1267 void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr, GOTIter BeginIt,
1269 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1270 W.printHex("Address", GotAddr + Offset);
1271 W.printNumber("Access", Offset - 0x7ff0);
1272 W.printHex("Initial", *It);
1275 template <class ELFT>
1276 void MipsGOTParser<ELFT>::printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt,
1277 GOTIter It, Elf_Sym_Iter Sym) {
1278 printGotEntry(GotAddr, BeginIt, It);
1280 W.printHex("Value", Sym->st_value);
1281 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1283 unsigned SectionIndex = 0;
1284 StringRef SectionName;
1285 getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
1286 W.printHex("Section", SectionName, SectionIndex);
1288 std::string FullSymbolName = getFullSymbolName(*Obj, Sym);
1289 W.printNumber("Name", FullSymbolName, Sym->st_name);
1292 template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
1293 if (Obj->getHeader()->e_machine != EM_MIPS) {
1294 W.startLine() << "MIPS PLT GOT is available for MIPS targets only.\n";
1298 llvm::Optional<uint64_t> DtPltGot;
1299 for (const auto &Entry : Obj->dynamic_table()) {
1300 if (Entry.getTag() == ELF::DT_PLTGOT) {
1301 DtPltGot = Entry.getVal();
1307 W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
1311 const Elf_Shdr *GotShdr = findSectionByAddress(Obj, *DtPltGot);
1313 W.startLine() << "There is no .got section in the file.\n";
1317 MipsGOTParser<ELFT>(Obj, W).parseGOT(*GotShdr);
1320 static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
1321 {"None", Mips::AFL_EXT_NONE},
1322 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
1323 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
1324 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
1325 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
1326 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
1327 {"LSI R4010", Mips::AFL_EXT_4010},
1328 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
1329 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
1330 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
1331 {"MIPS R4650", Mips::AFL_EXT_4650},
1332 {"MIPS R5900", Mips::AFL_EXT_5900},
1333 {"MIPS R10000", Mips::AFL_EXT_10000},
1334 {"NEC VR4100", Mips::AFL_EXT_4100},
1335 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
1336 {"NEC VR4120", Mips::AFL_EXT_4120},
1337 {"NEC VR5400", Mips::AFL_EXT_5400},
1338 {"NEC VR5500", Mips::AFL_EXT_5500},
1339 {"RMI Xlr", Mips::AFL_EXT_XLR},
1340 {"Toshiba R3900", Mips::AFL_EXT_3900}
1343 static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
1344 {"DSP", Mips::AFL_ASE_DSP},
1345 {"DSPR2", Mips::AFL_ASE_DSPR2},
1346 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
1347 {"MCU", Mips::AFL_ASE_MCU},
1348 {"MDMX", Mips::AFL_ASE_MDMX},
1349 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
1350 {"MT", Mips::AFL_ASE_MT},
1351 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
1352 {"VZ", Mips::AFL_ASE_VIRT},
1353 {"MSA", Mips::AFL_ASE_MSA},
1354 {"MIPS16", Mips::AFL_ASE_MIPS16},
1355 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
1356 {"XPA", Mips::AFL_ASE_XPA}
1359 static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
1360 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
1361 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
1362 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
1363 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
1364 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
1365 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
1366 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
1367 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
1368 {"Hard float compat (32-bit CPU, 64-bit FPU)",
1369 Mips::Val_GNU_MIPS_ABI_FP_64A}
1372 static const EnumEntry<unsigned> ElfMipsFlags1[] {
1373 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
1376 static int getMipsRegisterSize(uint8_t Flag) {
1378 case Mips::AFL_REG_NONE:
1380 case Mips::AFL_REG_32:
1382 case Mips::AFL_REG_64:
1384 case Mips::AFL_REG_128:
1391 template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
1392 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
1394 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
1397 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1399 W.startLine() << "The .MIPS.abiflags section is empty.\n";
1402 if (Sec->size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
1403 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
1407 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec->data());
1409 raw_ostream &OS = W.getOStream();
1410 DictScope GS(W, "MIPS ABI Flags");
1412 W.printNumber("Version", Flags->version);
1413 W.startLine() << "ISA: ";
1414 if (Flags->isa_rev <= 1)
1415 OS << format("MIPS%u", Flags->isa_level);
1417 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
1419 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
1420 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
1421 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
1422 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
1423 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
1424 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
1425 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
1426 W.printHex("Flags 2", Flags->flags2);
1429 template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
1430 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
1432 W.startLine() << "There is no .reginfo section in the file.\n";
1435 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1437 W.startLine() << "The .reginfo section is empty.\n";
1440 if (Sec->size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
1441 W.startLine() << "The .reginfo section has a wrong size.\n";
1445 auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec->data());
1447 DictScope GS(W, "MIPS RegInfo");
1448 W.printHex("GP", Reginfo->ri_gp_value);
1449 W.printHex("General Mask", Reginfo->ri_gprmask);
1450 W.printHex("Co-Proc Mask0", Reginfo->ri_cprmask[0]);
1451 W.printHex("Co-Proc Mask1", Reginfo->ri_cprmask[1]);
1452 W.printHex("Co-Proc Mask2", Reginfo->ri_cprmask[2]);
1453 W.printHex("Co-Proc Mask3", Reginfo->ri_cprmask[3]);