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;
63 typedef ELFFile<ELFT> ELFO;
64 typedef typename ELFO::Elf_Shdr Elf_Shdr;
65 typedef typename ELFO::Elf_Sym Elf_Sym;
67 void printSymbol(typename ELFO::Elf_Sym_Iter Symbol);
69 void printRelocations(const Elf_Shdr *Sec);
70 void printRelocation(const Elf_Shdr *Sec, typename ELFO::Elf_Rela Rel);
75 template <class T> T errorOrDefault(ErrorOr<T> Val, T Default = T()) {
77 error(Val.getError());
88 static std::error_code createELFDumper(const ELFFile<ELFT> *Obj,
90 std::unique_ptr<ObjDumper> &Result) {
91 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
92 return readobj_error::success;
95 std::error_code createELFDumper(const object::ObjectFile *Obj,
97 std::unique_ptr<ObjDumper> &Result) {
98 // Little-endian 32-bit
99 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
100 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
103 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
104 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
106 // Little-endian 64-bit
107 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
108 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
111 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
112 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
114 return readobj_error::unsupported_obj_file_format;
119 template <typename ELFO>
120 static std::string getFullSymbolName(const ELFO &Obj,
121 typename ELFO::Elf_Sym_Iter Symbol) {
122 StringRef SymbolName = errorOrDefault(Obj.getSymbolName(Symbol));
123 if (!Symbol.isDynamic())
126 std::string FullSymbolName(SymbolName);
129 ErrorOr<StringRef> Version =
130 Obj.getSymbolVersion(nullptr, &*Symbol, IsDefault);
132 FullSymbolName += (IsDefault ? "@@" : "@");
133 FullSymbolName += *Version;
135 error(Version.getError());
136 return FullSymbolName;
139 template <typename ELFO>
141 getSectionNameIndex(const ELFO &Obj, typename ELFO::Elf_Sym_Iter Symbol,
142 StringRef &SectionName, unsigned &SectionIndex) {
143 SectionIndex = Symbol->st_shndx;
144 if (SectionIndex == SHN_UNDEF) {
145 SectionName = "Undefined";
146 } else if (SectionIndex >= SHN_LOPROC && SectionIndex <= SHN_HIPROC) {
147 SectionName = "Processor Specific";
148 } else if (SectionIndex >= SHN_LOOS && SectionIndex <= SHN_HIOS) {
149 SectionName = "Operating System Specific";
150 } else if (SectionIndex > SHN_HIOS && SectionIndex < SHN_ABS) {
151 SectionName = "Reserved";
152 } else if (SectionIndex == SHN_ABS) {
153 SectionName = "Absolute";
154 } else if (SectionIndex == SHN_COMMON) {
155 SectionName = "Common";
157 if (SectionIndex == SHN_XINDEX)
158 SectionIndex = Obj.getSymbolTableIndex(&*Symbol);
159 assert(SectionIndex != SHN_XINDEX &&
160 "getSymbolTableIndex should handle this");
161 const typename ELFO::Elf_Shdr *Sec = Obj.getSection(SectionIndex);
162 SectionName = errorOrDefault(Obj.getSectionName(Sec));
166 template <class ELFT>
167 static const typename ELFFile<ELFT>::Elf_Shdr *
168 findSectionByAddress(const ELFFile<ELFT> *Obj, uint64_t Addr) {
169 for (const auto &Shdr : Obj->sections())
170 if (Shdr.sh_addr == Addr)
175 template <class ELFT>
176 static const typename ELFFile<ELFT>::Elf_Shdr *
177 findSectionByName(const ELFFile<ELFT> &Obj, StringRef Name) {
178 for (const auto &Shdr : Obj.sections()) {
179 if (Name == errorOrDefault(Obj.getSectionName(&Shdr)))
185 static const EnumEntry<unsigned> ElfClass[] = {
186 { "None", ELF::ELFCLASSNONE },
187 { "32-bit", ELF::ELFCLASS32 },
188 { "64-bit", ELF::ELFCLASS64 },
191 static const EnumEntry<unsigned> ElfDataEncoding[] = {
192 { "None", ELF::ELFDATANONE },
193 { "LittleEndian", ELF::ELFDATA2LSB },
194 { "BigEndian", ELF::ELFDATA2MSB },
197 static const EnumEntry<unsigned> ElfObjectFileType[] = {
198 { "None", ELF::ET_NONE },
199 { "Relocatable", ELF::ET_REL },
200 { "Executable", ELF::ET_EXEC },
201 { "SharedObject", ELF::ET_DYN },
202 { "Core", ELF::ET_CORE },
205 static const EnumEntry<unsigned> ElfOSABI[] = {
206 { "SystemV", ELF::ELFOSABI_NONE },
207 { "HPUX", ELF::ELFOSABI_HPUX },
208 { "NetBSD", ELF::ELFOSABI_NETBSD },
209 { "GNU/Linux", ELF::ELFOSABI_LINUX },
210 { "GNU/Hurd", ELF::ELFOSABI_HURD },
211 { "Solaris", ELF::ELFOSABI_SOLARIS },
212 { "AIX", ELF::ELFOSABI_AIX },
213 { "IRIX", ELF::ELFOSABI_IRIX },
214 { "FreeBSD", ELF::ELFOSABI_FREEBSD },
215 { "TRU64", ELF::ELFOSABI_TRU64 },
216 { "Modesto", ELF::ELFOSABI_MODESTO },
217 { "OpenBSD", ELF::ELFOSABI_OPENBSD },
218 { "OpenVMS", ELF::ELFOSABI_OPENVMS },
219 { "NSK", ELF::ELFOSABI_NSK },
220 { "AROS", ELF::ELFOSABI_AROS },
221 { "FenixOS", ELF::ELFOSABI_FENIXOS },
222 { "CloudABI", ELF::ELFOSABI_CLOUDABI },
223 { "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
224 { "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
225 { "ARM", ELF::ELFOSABI_ARM },
226 { "Standalone" , ELF::ELFOSABI_STANDALONE }
229 static const EnumEntry<unsigned> ElfMachineType[] = {
230 LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
231 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
232 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
233 LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
234 LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
235 LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
236 LLVM_READOBJ_ENUM_ENT(ELF, EM_486 ),
237 LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
238 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
239 LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
240 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
241 LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
242 LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
243 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
244 LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
245 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
246 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
247 LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
248 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
249 LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
250 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
251 LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
252 LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
253 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
254 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
255 LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
256 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
257 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
258 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
259 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
260 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
261 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
262 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
263 LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
264 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
265 LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
266 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
267 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
268 LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
269 LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
270 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
271 LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
272 LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
273 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
274 LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
275 LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
276 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
277 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
278 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
279 LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
280 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
281 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
282 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
283 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
284 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
285 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
286 LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
287 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
288 LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
289 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
290 LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
291 LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
292 LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
293 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
294 LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
295 LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
296 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
297 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
298 LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
299 LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
300 LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
301 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
302 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
303 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
304 LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
305 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
306 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
307 LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
308 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
309 LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
310 LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
311 LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
312 LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
313 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
314 LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
315 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
316 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
317 LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
318 LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
319 LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
320 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
321 LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
322 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
323 LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
324 LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
325 LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
326 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
327 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
328 LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
329 LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
330 LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
331 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
332 LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
333 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
334 LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
335 LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
336 LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
337 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
338 LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
339 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
340 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
341 LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
342 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
343 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
344 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
345 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
346 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
347 LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
348 LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
349 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
350 LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
351 LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
352 LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
353 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
354 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
355 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
356 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
357 LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
358 LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
359 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
360 LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
361 LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
362 LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
363 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
364 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
365 LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
366 LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
367 LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
368 LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
369 LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
370 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
371 LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
372 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
373 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
374 LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
375 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
376 LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
377 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
378 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
379 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
380 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
381 LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
382 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
383 LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
384 LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX )
387 static const EnumEntry<unsigned> ElfSymbolBindings[] = {
388 { "Local", ELF::STB_LOCAL },
389 { "Global", ELF::STB_GLOBAL },
390 { "Weak", ELF::STB_WEAK },
391 { "Unique", ELF::STB_GNU_UNIQUE }
394 static const EnumEntry<unsigned> ElfSymbolTypes[] = {
395 { "None", ELF::STT_NOTYPE },
396 { "Object", ELF::STT_OBJECT },
397 { "Function", ELF::STT_FUNC },
398 { "Section", ELF::STT_SECTION },
399 { "File", ELF::STT_FILE },
400 { "Common", ELF::STT_COMMON },
401 { "TLS", ELF::STT_TLS },
402 { "GNU_IFunc", ELF::STT_GNU_IFUNC }
405 static const char *getElfSectionType(unsigned Arch, unsigned Type) {
409 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
410 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
411 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
412 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
413 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
415 case ELF::EM_HEXAGON:
416 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
418 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
420 case ELF::EM_MIPS_RS3_LE:
422 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
423 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
424 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_ABIFLAGS);
429 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
430 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
431 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
432 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
433 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
434 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
435 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
436 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
437 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
438 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
439 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
440 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
441 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
442 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
443 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
444 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
445 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
446 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
447 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
448 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
449 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
450 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
455 static const EnumEntry<unsigned> ElfSectionFlags[] = {
456 LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
457 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
458 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXCLUDE ),
459 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
460 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
461 LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
462 LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
463 LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
464 LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
465 LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
466 LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
467 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
468 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
469 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
472 static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
473 // Check potentially overlapped processor-specific
474 // program header type.
478 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
481 case ELF::EM_MIPS_RS3_LE:
483 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
484 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
485 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
490 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
491 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
492 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
493 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
494 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
495 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
496 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
497 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
499 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
500 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
502 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
503 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
508 static const EnumEntry<unsigned> ElfSegmentFlags[] = {
509 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
510 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
511 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
514 static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
515 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NOREORDER),
516 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_PIC),
517 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
518 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
519 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
520 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_FP64),
521 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
522 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
523 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O64),
524 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI32),
525 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI64),
526 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_3900),
527 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4010),
528 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4100),
529 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4650),
530 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4120),
531 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4111),
532 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_SB1),
533 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON),
534 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_XLR),
535 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON2),
536 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON3),
537 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5400),
538 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5900),
539 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5500),
540 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_9000),
541 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2E),
542 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2F),
543 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS3A),
544 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
545 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
546 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_MDMX),
547 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
548 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
549 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
550 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_4),
551 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_5),
552 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32),
553 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64),
554 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R2),
555 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R2),
556 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R6),
557 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R6)
561 void ELFDumper<ELFT>::printFileHeaders() {
562 const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
565 DictScope D(W, "ElfHeader");
567 DictScope D(W, "Ident");
568 W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
570 W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
571 makeArrayRef(ElfClass));
572 W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
573 makeArrayRef(ElfDataEncoding));
574 W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
575 W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
576 makeArrayRef(ElfOSABI));
577 W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
578 W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
581 W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
582 W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
583 W.printNumber("Version", Header->e_version);
584 W.printHex ("Entry", Header->e_entry);
585 W.printHex ("ProgramHeaderOffset", Header->e_phoff);
586 W.printHex ("SectionHeaderOffset", Header->e_shoff);
587 if (Header->e_machine == EM_MIPS)
588 W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
589 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
590 unsigned(ELF::EF_MIPS_MACH));
592 W.printFlags("Flags", Header->e_flags);
593 W.printNumber("HeaderSize", Header->e_ehsize);
594 W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
595 W.printNumber("ProgramHeaderCount", Header->e_phnum);
596 W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
597 W.printNumber("SectionHeaderCount", Header->e_shnum);
598 W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
603 void ELFDumper<ELFT>::printSections() {
604 ListScope SectionsD(W, "Sections");
606 int SectionIndex = -1;
607 for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
608 SecE = Obj->end_sections();
609 SecI != SecE; ++SecI) {
612 const Elf_Shdr *Section = &*SecI;
613 StringRef Name = errorOrDefault(Obj->getSectionName(Section));
615 DictScope SectionD(W, "Section");
616 W.printNumber("Index", SectionIndex);
617 W.printNumber("Name", Name, Section->sh_name);
619 getElfSectionType(Obj->getHeader()->e_machine, Section->sh_type),
621 W.printFlags ("Flags", Section->sh_flags, makeArrayRef(ElfSectionFlags));
622 W.printHex ("Address", Section->sh_addr);
623 W.printHex ("Offset", Section->sh_offset);
624 W.printNumber("Size", Section->sh_size);
625 W.printNumber("Link", Section->sh_link);
626 W.printNumber("Info", Section->sh_info);
627 W.printNumber("AddressAlignment", Section->sh_addralign);
628 W.printNumber("EntrySize", Section->sh_entsize);
630 if (opts::SectionRelocations) {
631 ListScope D(W, "Relocations");
632 printRelocations(Section);
635 if (opts::SectionSymbols) {
636 ListScope D(W, "Symbols");
637 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
638 SymE = Obj->end_symbols();
639 SymI != SymE; ++SymI) {
640 if (Obj->getSection(&*SymI) == Section)
645 if (opts::SectionData && Section->sh_type != ELF::SHT_NOBITS) {
646 ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(Section));
647 W.printBinaryBlock("SectionData",
648 StringRef((const char *)Data.data(), Data.size()));
654 void ELFDumper<ELFT>::printRelocations() {
655 ListScope D(W, "Relocations");
657 int SectionNumber = -1;
658 for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
659 SecE = Obj->end_sections();
660 SecI != SecE; ++SecI) {
663 if (SecI->sh_type != ELF::SHT_REL && SecI->sh_type != ELF::SHT_RELA)
666 StringRef Name = errorOrDefault(Obj->getSectionName(&*SecI));
668 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
671 printRelocations(&*SecI);
674 W.startLine() << "}\n";
678 template <class ELFT>
679 void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
680 switch (Sec->sh_type) {
682 for (typename ELFO::Elf_Rel_Iter RI = Obj->begin_rel(Sec),
683 RE = Obj->end_rel(Sec);
685 typename ELFO::Elf_Rela Rela;
686 Rela.r_offset = RI->r_offset;
687 Rela.r_info = RI->r_info;
689 printRelocation(Sec, Rela);
693 for (typename ELFO::Elf_Rela_Iter RI = Obj->begin_rela(Sec),
694 RE = Obj->end_rela(Sec);
696 printRelocation(Sec, *RI);
702 template <class ELFT>
703 void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
704 typename ELFO::Elf_Rela Rel) {
705 SmallString<32> RelocName;
706 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
707 StringRef SymbolName;
708 std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
709 Obj->getRelocationSymbol(Sec, &Rel);
711 SymbolName = errorOrDefault(Obj->getSymbolName(Sym.first, Sym.second));
713 if (opts::ExpandRelocs) {
714 DictScope Group(W, "Relocation");
715 W.printHex("Offset", Rel.r_offset);
716 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
717 W.printNumber("Symbol", SymbolName.size() > 0 ? SymbolName : "-",
718 Rel.getSymbol(Obj->isMips64EL()));
719 W.printHex("Addend", Rel.r_addend);
721 raw_ostream& OS = W.startLine();
722 OS << W.hex(Rel.r_offset)
724 << " " << (SymbolName.size() > 0 ? SymbolName : "-")
725 << " " << W.hex(Rel.r_addend)
731 void ELFDumper<ELFT>::printSymbols() {
732 ListScope Group(W, "Symbols");
733 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
734 SymE = Obj->end_symbols();
735 SymI != SymE; ++SymI) {
741 void ELFDumper<ELFT>::printDynamicSymbols() {
742 ListScope Group(W, "DynamicSymbols");
744 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_dynamic_symbols(),
745 SymE = Obj->end_dynamic_symbols();
746 SymI != SymE; ++SymI) {
751 template <class ELFT>
752 void ELFDumper<ELFT>::printSymbol(typename ELFO::Elf_Sym_Iter Symbol) {
753 unsigned SectionIndex = 0;
754 StringRef SectionName;
755 getSectionNameIndex(*Obj, Symbol, SectionName, SectionIndex);
756 std::string FullSymbolName = getFullSymbolName(*Obj, Symbol);
758 DictScope D(W, "Symbol");
759 W.printNumber("Name", FullSymbolName, Symbol->st_name);
760 W.printHex ("Value", Symbol->st_value);
761 W.printNumber("Size", Symbol->st_size);
762 W.printEnum ("Binding", Symbol->getBinding(),
763 makeArrayRef(ElfSymbolBindings));
764 W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
765 W.printNumber("Other", Symbol->st_other);
766 W.printHex("Section", SectionName, SectionIndex);
769 #define LLVM_READOBJ_TYPE_CASE(name) \
770 case DT_##name: return #name
772 static const char *getTypeString(uint64_t Type) {
774 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
775 LLVM_READOBJ_TYPE_CASE(DEBUG);
776 LLVM_READOBJ_TYPE_CASE(FINI);
777 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
778 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
779 LLVM_READOBJ_TYPE_CASE(FLAGS);
780 LLVM_READOBJ_TYPE_CASE(HASH);
781 LLVM_READOBJ_TYPE_CASE(INIT);
782 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
783 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
784 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
785 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
786 LLVM_READOBJ_TYPE_CASE(JMPREL);
787 LLVM_READOBJ_TYPE_CASE(NEEDED);
788 LLVM_READOBJ_TYPE_CASE(NULL);
789 LLVM_READOBJ_TYPE_CASE(PLTGOT);
790 LLVM_READOBJ_TYPE_CASE(PLTREL);
791 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
792 LLVM_READOBJ_TYPE_CASE(REL);
793 LLVM_READOBJ_TYPE_CASE(RELA);
794 LLVM_READOBJ_TYPE_CASE(RELENT);
795 LLVM_READOBJ_TYPE_CASE(RELSZ);
796 LLVM_READOBJ_TYPE_CASE(RELAENT);
797 LLVM_READOBJ_TYPE_CASE(RELASZ);
798 LLVM_READOBJ_TYPE_CASE(RPATH);
799 LLVM_READOBJ_TYPE_CASE(RUNPATH);
800 LLVM_READOBJ_TYPE_CASE(SONAME);
801 LLVM_READOBJ_TYPE_CASE(STRSZ);
802 LLVM_READOBJ_TYPE_CASE(STRTAB);
803 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
804 LLVM_READOBJ_TYPE_CASE(SYMENT);
805 LLVM_READOBJ_TYPE_CASE(SYMTAB);
806 LLVM_READOBJ_TYPE_CASE(TEXTREL);
807 LLVM_READOBJ_TYPE_CASE(VERNEED);
808 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
809 LLVM_READOBJ_TYPE_CASE(VERSYM);
810 LLVM_READOBJ_TYPE_CASE(RELCOUNT);
811 LLVM_READOBJ_TYPE_CASE(GNU_HASH);
812 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
813 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
814 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
815 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
816 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
817 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
818 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
819 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
820 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
821 LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
822 default: return "unknown";
826 #undef LLVM_READOBJ_TYPE_CASE
828 #define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
829 { #enum, prefix##_##enum }
831 static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
832 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
833 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
834 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
835 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
836 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
839 static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
840 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
841 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
842 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
843 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
844 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
845 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
846 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
847 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
848 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
849 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
850 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
851 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
852 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
853 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
854 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
855 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
858 #undef LLVM_READOBJ_DT_FLAG_ENT
860 template <typename T, typename TFlag>
861 void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
862 typedef EnumEntry<TFlag> FlagEntry;
863 typedef SmallVector<FlagEntry, 10> FlagVector;
866 for (const auto &Flag : Flags) {
870 if ((Value & Flag.Value) == Flag.Value)
871 SetFlags.push_back(Flag);
874 for (const auto &Flag : SetFlags) {
875 OS << Flag.Name << " ";
879 template <class ELFT>
880 static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
881 bool Is64, raw_ostream &OS) {
884 if (Value == DT_REL) {
887 } else if (Value == DT_RELA) {
903 case DT_PREINIT_ARRAY:
909 case DT_MIPS_BASE_ADDRESS:
911 case DT_MIPS_RLD_MAP:
913 case DT_MIPS_OPTIONS:
914 OS << format("0x%" PRIX64, Value);
918 case DT_MIPS_RLD_VERSION:
919 case DT_MIPS_LOCAL_GOTNO:
920 case DT_MIPS_SYMTABNO:
921 case DT_MIPS_UNREFEXTNO:
931 case DT_INIT_ARRAYSZ:
932 case DT_FINI_ARRAYSZ:
933 case DT_PREINIT_ARRAYSZ:
934 OS << Value << " (bytes)";
937 OS << "SharedLibrary (" << O->getDynamicString(Value) << ")";
940 OS << "LibrarySoname (" << O->getDynamicString(Value) << ")";
944 OS << O->getDynamicString(Value);
947 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
950 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
956 void ELFDumper<ELFT>::printUnwindInfo() {
957 W.startLine() << "UnwindInfo not implemented.\n";
962 void ELFDumper<ELFType<support::little, 2, false> >::printUnwindInfo() {
963 const unsigned Machine = Obj->getHeader()->e_machine;
964 if (Machine == EM_ARM) {
965 ARM::EHABI::PrinterContext<ELFType<support::little, 2, false> > Ctx(W, Obj);
966 return Ctx.PrintUnwindInformation();
968 W.startLine() << "UnwindInfo not implemented.\n";
973 void ELFDumper<ELFT>::printDynamicTable() {
974 auto DynTable = Obj->dynamic_table(true);
976 ptrdiff_t Total = std::distance(DynTable.begin(), DynTable.end());
980 raw_ostream &OS = W.getOStream();
981 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
983 bool Is64 = ELFT::Is64Bits;
986 << " Tag" << (Is64 ? " " : " ") << "Type"
987 << " " << "Name/Value\n";
988 for (const auto &Entry : DynTable) {
991 << format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Entry.getTag())
992 << " " << format("%-21s", getTypeString(Entry.getTag()));
993 printValue(Obj, Entry.getTag(), Entry.getVal(), Is64, OS);
997 W.startLine() << "]\n";
1000 template<class ELFT>
1001 void ELFDumper<ELFT>::printNeededLibraries() {
1002 ListScope D(W, "NeededLibraries");
1004 typedef std::vector<StringRef> LibsTy;
1007 for (const auto &Entry : Obj->dynamic_table())
1008 if (Entry.d_tag == ELF::DT_NEEDED)
1009 Libs.push_back(Obj->getDynamicString(Entry.d_un.d_val));
1011 std::stable_sort(Libs.begin(), Libs.end());
1013 for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end(); I != E; ++I) {
1014 outs() << " " << *I << "\n";
1018 template<class ELFT>
1019 void ELFDumper<ELFT>::printProgramHeaders() {
1020 ListScope L(W, "ProgramHeaders");
1022 for (typename ELFO::Elf_Phdr_Iter PI = Obj->begin_program_headers(),
1023 PE = Obj->end_program_headers();
1025 DictScope P(W, "ProgramHeader");
1027 getElfSegmentType(Obj->getHeader()->e_machine, PI->p_type),
1029 W.printHex ("Offset", PI->p_offset);
1030 W.printHex ("VirtualAddress", PI->p_vaddr);
1031 W.printHex ("PhysicalAddress", PI->p_paddr);
1032 W.printNumber("FileSize", PI->p_filesz);
1033 W.printNumber("MemSize", PI->p_memsz);
1034 W.printFlags ("Flags", PI->p_flags, makeArrayRef(ElfSegmentFlags));
1035 W.printNumber("Alignment", PI->p_align);
1039 template <class ELFT>
1040 void ELFDumper<ELFT>::printAttributes() {
1041 W.startLine() << "Attributes not implemented.\n";
1046 void ELFDumper<ELFType<support::little, 2, false> >::printAttributes() {
1047 if (Obj->getHeader()->e_machine != EM_ARM) {
1048 W.startLine() << "Attributes not implemented.\n";
1052 DictScope BA(W, "BuildAttributes");
1053 for (ELFO::Elf_Shdr_Iter SI = Obj->begin_sections(), SE = Obj->end_sections();
1055 if (SI->sh_type != ELF::SHT_ARM_ATTRIBUTES)
1058 ErrorOr<ArrayRef<uint8_t> > Contents = Obj->getSectionContents(&(*SI));
1062 if ((*Contents)[0] != ARMBuildAttrs::Format_Version) {
1063 errs() << "unrecognised FormatVersion: 0x" << utohexstr((*Contents)[0])
1068 W.printHex("FormatVersion", (*Contents)[0]);
1069 if (Contents->size() == 1)
1072 ARMAttributeParser(W).Parse(*Contents);
1078 template <class ELFT> class MipsGOTParser {
1080 typedef object::ELFFile<ELFT> ObjectFile;
1081 typedef typename ObjectFile::Elf_Shdr Elf_Shdr;
1083 MipsGOTParser(const ObjectFile *Obj, StreamWriter &W) : Obj(Obj), W(W) {}
1085 void parseGOT(const Elf_Shdr &GOTShdr);
1088 typedef typename ObjectFile::Elf_Sym_Iter Elf_Sym_Iter;
1089 typedef typename ObjectFile::Elf_Addr GOTEntry;
1090 typedef typename ObjectFile::template ELFEntityIterator<const GOTEntry>
1093 const ObjectFile *Obj;
1096 std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
1097 GOTIter makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
1099 bool getGOTTags(uint64_t &LocalGotNum, uint64_t &GotSym);
1100 void printGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It);
1101 void printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It,
1106 template <class ELFT>
1107 void MipsGOTParser<ELFT>::parseGOT(const Elf_Shdr &GOTShdr) {
1108 // See "Global Offset Table" in Chapter 5 in the following document
1109 // for detailed GOT description.
1110 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
1112 ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(&GOTShdr);
1114 W.startLine() << "The .got section is empty.\n";
1118 uint64_t DtLocalGotNum;
1120 if (!getGOTTags(DtLocalGotNum, DtGotSym))
1123 if (DtLocalGotNum > getGOTTotal(*GOT)) {
1124 W.startLine() << "MIPS_LOCAL_GOTNO exceeds a number of GOT entries.\n";
1128 Elf_Sym_Iter DynSymBegin = Obj->begin_dynamic_symbols();
1129 Elf_Sym_Iter DynSymEnd = Obj->end_dynamic_symbols();
1130 std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
1132 if (DtGotSym > DynSymTotal) {
1133 W.startLine() << "MIPS_GOTSYM exceeds a number of dynamic symbols.\n";
1137 std::size_t GlobalGotNum = DynSymTotal - DtGotSym;
1139 if (DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT)) {
1140 W.startLine() << "Number of global GOT entries exceeds the size of GOT.\n";
1144 GOTIter GotBegin = makeGOTIter(*GOT, 0);
1145 GOTIter GotLocalEnd = makeGOTIter(*GOT, DtLocalGotNum);
1146 GOTIter It = GotBegin;
1148 DictScope GS(W, "Primary GOT");
1150 W.printHex("Canonical gp value", GOTShdr.sh_addr + 0x7ff0);
1152 ListScope RS(W, "Reserved entries");
1155 DictScope D(W, "Entry");
1156 printGotEntry(GOTShdr.sh_addr, GotBegin, It++);
1157 W.printString("Purpose", StringRef("Lazy resolver"));
1160 if (It != GotLocalEnd && (*It >> (sizeof(GOTEntry) * 8 - 1)) != 0) {
1161 DictScope D(W, "Entry");
1162 printGotEntry(GOTShdr.sh_addr, GotBegin, It++);
1163 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
1167 ListScope LS(W, "Local entries");
1168 for (; It != GotLocalEnd; ++It) {
1169 DictScope D(W, "Entry");
1170 printGotEntry(GOTShdr.sh_addr, GotBegin, It);
1174 ListScope GS(W, "Global entries");
1176 GOTIter GotGlobalEnd = makeGOTIter(*GOT, DtLocalGotNum + GlobalGotNum);
1177 Elf_Sym_Iter GotDynSym = DynSymBegin + DtGotSym;
1178 for (; It != GotGlobalEnd; ++It) {
1179 DictScope D(W, "Entry");
1180 printGlobalGotEntry(GOTShdr.sh_addr, GotBegin, It, GotDynSym++);
1184 std::size_t SpecGotNum = getGOTTotal(*GOT) - DtLocalGotNum - GlobalGotNum;
1185 W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
1188 template <class ELFT>
1189 std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
1190 return GOT.size() / sizeof(GOTEntry);
1193 template <class ELFT>
1194 typename MipsGOTParser<ELFT>::GOTIter
1195 MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
1196 const char *Data = reinterpret_cast<const char *>(GOT.data());
1197 return GOTIter(sizeof(GOTEntry), Data + EntryNum * sizeof(GOTEntry));
1200 template <class ELFT>
1201 bool MipsGOTParser<ELFT>::getGOTTags(uint64_t &LocalGotNum, uint64_t &GotSym) {
1202 bool FoundLocalGotNum = false;
1203 bool FoundGotSym = false;
1204 for (const auto &Entry : Obj->dynamic_table()) {
1205 switch (Entry.getTag()) {
1206 case ELF::DT_MIPS_LOCAL_GOTNO:
1207 LocalGotNum = Entry.getVal();
1208 FoundLocalGotNum = true;
1210 case ELF::DT_MIPS_GOTSYM:
1211 GotSym = Entry.getVal();
1217 if (!FoundLocalGotNum) {
1218 W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
1223 W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
1230 template <class ELFT>
1231 void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr, GOTIter BeginIt,
1233 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1234 W.printHex("Address", GotAddr + Offset);
1235 W.printNumber("Access", Offset - 0x7ff0);
1236 W.printHex("Initial", *It);
1239 template <class ELFT>
1240 void MipsGOTParser<ELFT>::printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt,
1241 GOTIter It, Elf_Sym_Iter Sym) {
1242 printGotEntry(GotAddr, BeginIt, It);
1244 W.printHex("Value", Sym->st_value);
1245 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1247 unsigned SectionIndex = 0;
1248 StringRef SectionName;
1249 getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
1250 W.printHex("Section", SectionName, SectionIndex);
1252 std::string FullSymbolName = getFullSymbolName(*Obj, Sym);
1253 W.printNumber("Name", FullSymbolName, Sym->st_name);
1256 template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
1257 if (Obj->getHeader()->e_machine != EM_MIPS) {
1258 W.startLine() << "MIPS PLT GOT is available for MIPS targets only.\n";
1262 llvm::Optional<uint64_t> DtPltGot;
1263 for (const auto &Entry : Obj->dynamic_table()) {
1264 if (Entry.getTag() == ELF::DT_PLTGOT) {
1265 DtPltGot = Entry.getVal();
1271 W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
1275 const Elf_Shdr *GotShdr = findSectionByAddress(Obj, *DtPltGot);
1277 W.startLine() << "There is no .got section in the file.\n";
1281 MipsGOTParser<ELFT>(Obj, W).parseGOT(*GotShdr);
1284 static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
1285 {"None", Mips::AFL_EXT_NONE},
1286 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
1287 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
1288 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
1289 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
1290 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
1291 {"LSI R4010", Mips::AFL_EXT_4010},
1292 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
1293 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
1294 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
1295 {"MIPS R4650", Mips::AFL_EXT_4650},
1296 {"MIPS R5900", Mips::AFL_EXT_5900},
1297 {"MIPS R10000", Mips::AFL_EXT_10000},
1298 {"NEC VR4100", Mips::AFL_EXT_4100},
1299 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
1300 {"NEC VR4120", Mips::AFL_EXT_4120},
1301 {"NEC VR5400", Mips::AFL_EXT_5400},
1302 {"NEC VR5500", Mips::AFL_EXT_5500},
1303 {"RMI Xlr", Mips::AFL_EXT_XLR},
1304 {"Toshiba R3900", Mips::AFL_EXT_3900}
1307 static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
1308 {"DSP", Mips::AFL_ASE_DSP},
1309 {"DSPR2", Mips::AFL_ASE_DSPR2},
1310 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
1311 {"MCU", Mips::AFL_ASE_MCU},
1312 {"MDMX", Mips::AFL_ASE_MDMX},
1313 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
1314 {"MT", Mips::AFL_ASE_MT},
1315 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
1316 {"VZ", Mips::AFL_ASE_VIRT},
1317 {"MSA", Mips::AFL_ASE_MSA},
1318 {"MIPS16", Mips::AFL_ASE_MIPS16},
1319 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
1320 {"XPA", Mips::AFL_ASE_XPA}
1323 static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
1324 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
1325 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
1326 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
1327 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
1328 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
1329 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
1330 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
1331 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
1332 {"Hard float compat (32-bit CPU, 64-bit FPU)",
1333 Mips::Val_GNU_MIPS_ABI_FP_64A}
1336 static const EnumEntry<unsigned> ElfMipsFlags1[] {
1337 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
1340 static int getMipsRegisterSize(uint8_t Flag) {
1342 case Mips::AFL_REG_NONE:
1344 case Mips::AFL_REG_32:
1346 case Mips::AFL_REG_64:
1348 case Mips::AFL_REG_128:
1355 template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
1356 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
1358 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
1361 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1363 W.startLine() << "The .MIPS.abiflags section is empty.\n";
1366 if (Sec->size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
1367 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
1371 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec->data());
1373 raw_ostream &OS = W.getOStream();
1374 DictScope GS(W, "MIPS ABI Flags");
1376 W.printNumber("Version", Flags->version);
1377 W.startLine() << "ISA: ";
1378 if (Flags->isa_rev <= 1)
1379 OS << format("MIPS%u", Flags->isa_level);
1381 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
1383 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
1384 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
1385 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
1386 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
1387 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
1388 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
1389 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
1390 W.printHex("Flags 2", Flags->flags2);