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"
17 #include "ObjDumper.h"
18 #include "StreamWriter.h"
20 #include "llvm/ADT/SmallString.h"
21 #include "llvm/Object/ELFObjectFile.h"
22 #include "llvm/Support/Compiler.h"
23 #include "llvm/Support/Format.h"
24 #include "llvm/Support/MathExtras.h"
25 #include "llvm/Support/raw_ostream.h"
28 using namespace llvm::object;
31 #define LLVM_READOBJ_ENUM_CASE(ns, enum) \
32 case ns::enum: return #enum;
36 template<typename ELFT>
37 class ELFDumper : public ObjDumper {
39 ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer)
40 : ObjDumper(Writer), Obj(Obj) {}
42 virtual void printFileHeaders() LLVM_OVERRIDE;
43 virtual void printSections() LLVM_OVERRIDE;
44 virtual void printRelocations() LLVM_OVERRIDE;
45 virtual void printSymbols() LLVM_OVERRIDE;
46 virtual void printDynamicSymbols() LLVM_OVERRIDE;
47 virtual void printUnwindInfo() LLVM_OVERRIDE;
49 virtual void printDynamicTable() LLVM_OVERRIDE;
50 virtual void printNeededLibraries() LLVM_OVERRIDE;
51 virtual void printProgramHeaders() LLVM_OVERRIDE;
54 typedef ELFFile<ELFT> ELFO;
55 typedef typename ELFO::Elf_Shdr Elf_Shdr;
56 typedef typename ELFO::Elf_Sym Elf_Sym;
58 void printSymbol(typename ELFO::Elf_Sym_Iter Symbol);
60 void printRelocations(const Elf_Shdr *Sec);
61 void printRelocation(const Elf_Shdr *Sec, typename ELFO::Elf_Rela Rel);
66 template <class T> T errorOrDefault(ErrorOr<T> Val, T Default = T()) {
79 static error_code createELFDumper(const ELFFile<ELFT> *Obj,
81 OwningPtr<ObjDumper> &Result) {
82 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
83 return readobj_error::success;
86 error_code createELFDumper(const object::ObjectFile *Obj,
88 OwningPtr<ObjDumper> &Result) {
89 // Little-endian 32-bit
90 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
91 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
94 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
95 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
97 // Little-endian 64-bit
98 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
99 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
102 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
103 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
105 return readobj_error::unsupported_obj_file_format;
110 static const EnumEntry<unsigned> ElfClass[] = {
111 { "None", ELF::ELFCLASSNONE },
112 { "32-bit", ELF::ELFCLASS32 },
113 { "64-bit", ELF::ELFCLASS64 },
116 static const EnumEntry<unsigned> ElfDataEncoding[] = {
117 { "None", ELF::ELFDATANONE },
118 { "LittleEndian", ELF::ELFDATA2LSB },
119 { "BigEndian", ELF::ELFDATA2MSB },
122 static const EnumEntry<unsigned> ElfObjectFileType[] = {
123 { "None", ELF::ET_NONE },
124 { "Relocatable", ELF::ET_REL },
125 { "Executable", ELF::ET_EXEC },
126 { "SharedObject", ELF::ET_DYN },
127 { "Core", ELF::ET_CORE },
130 static const EnumEntry<unsigned> ElfOSABI[] = {
131 { "SystemV", ELF::ELFOSABI_NONE },
132 { "HPUX", ELF::ELFOSABI_HPUX },
133 { "NetBSD", ELF::ELFOSABI_NETBSD },
134 { "GNU/Linux", ELF::ELFOSABI_LINUX },
135 { "GNU/Hurd", ELF::ELFOSABI_HURD },
136 { "Solaris", ELF::ELFOSABI_SOLARIS },
137 { "AIX", ELF::ELFOSABI_AIX },
138 { "IRIX", ELF::ELFOSABI_IRIX },
139 { "FreeBSD", ELF::ELFOSABI_FREEBSD },
140 { "TRU64", ELF::ELFOSABI_TRU64 },
141 { "Modesto", ELF::ELFOSABI_MODESTO },
142 { "OpenBSD", ELF::ELFOSABI_OPENBSD },
143 { "OpenVMS", ELF::ELFOSABI_OPENVMS },
144 { "NSK", ELF::ELFOSABI_NSK },
145 { "AROS", ELF::ELFOSABI_AROS },
146 { "FenixOS", ELF::ELFOSABI_FENIXOS },
147 { "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
148 { "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
149 { "ARM", ELF::ELFOSABI_ARM },
150 { "Standalone" , ELF::ELFOSABI_STANDALONE }
153 static const EnumEntry<unsigned> ElfMachineType[] = {
154 LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
155 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
156 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
157 LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
158 LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
159 LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
160 LLVM_READOBJ_ENUM_ENT(ELF, EM_486 ),
161 LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
162 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
163 LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
164 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
165 LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
166 LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
167 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
168 LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
169 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
170 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
171 LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
172 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
173 LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
174 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
175 LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
176 LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
177 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
178 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
179 LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
180 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
181 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
182 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
183 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
184 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
185 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
186 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
187 LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
188 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
189 LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
190 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
191 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
192 LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
193 LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
194 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
195 LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
196 LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
197 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
198 LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
199 LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
200 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
201 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
202 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
203 LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
204 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
205 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
206 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
207 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
208 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
209 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
210 LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
211 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
212 LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
213 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
214 LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
215 LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
216 LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
217 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
218 LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
219 LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
220 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
221 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
222 LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
223 LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
224 LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
225 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
226 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
227 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
228 LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
229 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
230 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
231 LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
232 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
233 LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
234 LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
235 LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
236 LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
237 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
238 LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
239 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
240 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
241 LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
242 LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
243 LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
244 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
245 LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
246 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
247 LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
248 LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
249 LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
250 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
251 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
252 LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
253 LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
254 LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
255 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
256 LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
257 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
258 LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
259 LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
260 LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
261 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
262 LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
263 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
264 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
265 LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
266 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
267 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
268 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
269 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
270 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
271 LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
272 LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
273 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
274 LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
275 LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
276 LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
277 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
278 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
279 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
280 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
281 LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
282 LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
283 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
284 LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
285 LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
286 LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
287 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
288 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
289 LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
290 LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
291 LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
292 LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
293 LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
294 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
295 LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
296 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
297 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
298 LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
299 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
300 LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
301 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
302 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
303 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
304 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
305 LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
306 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
307 LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
308 LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX )
311 static const EnumEntry<unsigned> ElfSymbolBindings[] = {
312 { "Local", ELF::STB_LOCAL },
313 { "Global", ELF::STB_GLOBAL },
314 { "Weak", ELF::STB_WEAK }
317 static const EnumEntry<unsigned> ElfSymbolTypes[] = {
318 { "None", ELF::STT_NOTYPE },
319 { "Object", ELF::STT_OBJECT },
320 { "Function", ELF::STT_FUNC },
321 { "Section", ELF::STT_SECTION },
322 { "File", ELF::STT_FILE },
323 { "Common", ELF::STT_COMMON },
324 { "TLS", ELF::STT_TLS },
325 { "GNU_IFunc", ELF::STT_GNU_IFUNC }
328 static const char *getElfSectionType(unsigned Arch, unsigned Type) {
332 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
333 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
334 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
335 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
336 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
338 case ELF::EM_HEXAGON:
339 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
341 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
343 case ELF::EM_MIPS_RS3_LE:
345 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
346 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
351 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
352 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
353 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
354 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
355 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
356 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
357 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
358 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
359 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
360 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
361 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
362 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
363 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
364 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
365 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
366 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
367 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
368 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
369 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
370 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
371 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
372 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
377 static const EnumEntry<unsigned> ElfSectionFlags[] = {
378 LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
379 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
380 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
381 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
382 LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
383 LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
384 LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
385 LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
386 LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
387 LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
388 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
389 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
390 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
393 static const EnumEntry<unsigned> ElfSegmentTypes[] = {
394 LLVM_READOBJ_ENUM_ENT(ELF, PT_NULL ),
395 LLVM_READOBJ_ENUM_ENT(ELF, PT_LOAD ),
396 LLVM_READOBJ_ENUM_ENT(ELF, PT_DYNAMIC),
397 LLVM_READOBJ_ENUM_ENT(ELF, PT_INTERP ),
398 LLVM_READOBJ_ENUM_ENT(ELF, PT_NOTE ),
399 LLVM_READOBJ_ENUM_ENT(ELF, PT_SHLIB ),
400 LLVM_READOBJ_ENUM_ENT(ELF, PT_PHDR ),
401 LLVM_READOBJ_ENUM_ENT(ELF, PT_TLS ),
403 LLVM_READOBJ_ENUM_ENT(ELF, PT_GNU_EH_FRAME),
404 LLVM_READOBJ_ENUM_ENT(ELF, PT_SUNW_EH_FRAME),
405 LLVM_READOBJ_ENUM_ENT(ELF, PT_SUNW_UNWIND),
407 LLVM_READOBJ_ENUM_ENT(ELF, PT_GNU_STACK),
408 LLVM_READOBJ_ENUM_ENT(ELF, PT_GNU_RELRO),
410 LLVM_READOBJ_ENUM_ENT(ELF, PT_ARM_EXIDX),
411 LLVM_READOBJ_ENUM_ENT(ELF, PT_ARM_UNWIND)
414 static const EnumEntry<unsigned> ElfSegmentFlags[] = {
415 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
416 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
417 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
421 void ELFDumper<ELFT>::printFileHeaders() {
424 const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
427 DictScope D(W, "ElfHeader");
429 DictScope D(W, "Ident");
430 W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
432 W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
433 makeArrayRef(ElfClass));
434 W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
435 makeArrayRef(ElfDataEncoding));
436 W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
437 W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
438 makeArrayRef(ElfOSABI));
439 W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
440 W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
443 W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
444 W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
445 W.printNumber("Version", Header->e_version);
446 W.printHex ("Entry", Header->e_entry);
447 W.printHex ("ProgramHeaderOffset", Header->e_phoff);
448 W.printHex ("SectionHeaderOffset", Header->e_shoff);
449 W.printFlags ("Flags", Header->e_flags);
450 W.printNumber("HeaderSize", Header->e_ehsize);
451 W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
452 W.printNumber("ProgramHeaderCount", Header->e_phnum);
453 W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
454 W.printNumber("SectionHeaderCount", Header->e_shnum);
455 W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
460 void ELFDumper<ELFT>::printSections() {
461 ListScope SectionsD(W, "Sections");
463 int SectionIndex = -1;
464 for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
465 SecE = Obj->end_sections();
466 SecI != SecE; ++SecI) {
469 const Elf_Shdr *Section = &*SecI;
470 StringRef Name = errorOrDefault(Obj->getSectionName(Section));
472 DictScope SectionD(W, "Section");
473 W.printNumber("Index", SectionIndex);
474 W.printNumber("Name", Name, Section->sh_name);
476 getElfSectionType(Obj->getHeader()->e_machine, Section->sh_type),
478 W.printFlags ("Flags", Section->sh_flags, makeArrayRef(ElfSectionFlags));
479 W.printHex ("Address", Section->sh_addr);
480 W.printHex ("Offset", Section->sh_offset);
481 W.printNumber("Size", Section->sh_size);
482 W.printNumber("Link", Section->sh_link);
483 W.printNumber("Info", Section->sh_info);
484 W.printNumber("AddressAlignment", Section->sh_addralign);
485 W.printNumber("EntrySize", Section->sh_entsize);
487 if (opts::SectionRelocations) {
488 ListScope D(W, "Relocations");
489 printRelocations(Section);
492 if (opts::SectionSymbols) {
493 ListScope D(W, "Symbols");
494 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
495 SymE = Obj->end_symbols();
496 SymI != SymE; ++SymI) {
497 if (Obj->getSection(&*SymI) == Section)
502 if (opts::SectionData) {
503 ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(Section));
504 W.printBinaryBlock("SectionData",
505 StringRef((const char *)Data.data(), Data.size()));
511 void ELFDumper<ELFT>::printRelocations() {
512 ListScope D(W, "Relocations");
515 int SectionNumber = -1;
516 for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
517 SecE = Obj->end_sections();
518 SecI != SecE; ++SecI) {
521 if (SecI->sh_type != ELF::SHT_REL && SecI->sh_type != ELF::SHT_RELA)
524 StringRef Name = errorOrDefault(Obj->getSectionName(&*SecI));
526 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
529 printRelocations(&*SecI);
532 W.startLine() << "}\n";
536 template <class ELFT>
537 void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
538 switch (Sec->sh_type) {
540 for (typename ELFO::Elf_Rel_Iter RI = Obj->begin_rel(Sec),
541 RE = Obj->end_rel(Sec);
543 typename ELFO::Elf_Rela Rela;
544 Rela.r_offset = RI->r_offset;
545 Rela.r_info = RI->r_info;
547 printRelocation(Sec, Rela);
551 for (typename ELFO::Elf_Rela_Iter RI = Obj->begin_rela(Sec),
552 RE = Obj->end_rela(Sec);
554 printRelocation(Sec, *RI);
560 template <class ELFT>
561 void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
562 typename ELFO::Elf_Rela Rel) {
563 SmallString<32> RelocName;
564 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
565 StringRef SymbolName;
566 std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
567 Obj->getRelocationSymbol(Sec, &Rel);
569 SymbolName = errorOrDefault(Obj->getSymbolName(Sym.first, Sym.second));
571 if (opts::ExpandRelocs) {
572 DictScope Group(W, "Relocation");
573 W.printHex("Offset", Rel.r_offset);
574 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
575 W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
576 W.printHex("Addend", Rel.r_addend);
578 raw_ostream& OS = W.startLine();
579 OS << W.hex(Rel.r_offset)
581 << " " << (SymbolName.size() > 0 ? SymbolName : "-")
582 << " " << W.hex(Rel.r_addend)
588 void ELFDumper<ELFT>::printSymbols() {
589 ListScope Group(W, "Symbols");
590 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
591 SymE = Obj->end_symbols();
592 SymI != SymE; ++SymI) {
598 void ELFDumper<ELFT>::printDynamicSymbols() {
599 ListScope Group(W, "DynamicSymbols");
601 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_dynamic_symbols(),
602 SymE = Obj->end_dynamic_symbols();
603 SymI != SymE; ++SymI) {
608 template <class ELFT>
609 void ELFDumper<ELFT>::printSymbol(typename ELFO::Elf_Sym_Iter Symbol) {
610 StringRef SymbolName = errorOrDefault(Obj->getSymbolName(Symbol));
611 const Elf_Shdr *Sec = Obj->getSection(&*Symbol);
612 StringRef SectionName = Sec ? errorOrDefault(Obj->getSectionName(Sec)) : "";
613 std::string FullSymbolName(SymbolName);
614 if (Symbol.isDynamic()) {
616 ErrorOr<StringRef> Version = Obj->getSymbolVersion(0, &*Symbol, IsDefault);
618 FullSymbolName += (IsDefault ? "@@" : "@");
619 FullSymbolName += *Version;
624 DictScope D(W, "Symbol");
625 W.printNumber("Name", FullSymbolName, Symbol->st_name);
626 W.printHex ("Value", Symbol->st_value);
627 W.printNumber("Size", Symbol->st_size);
628 W.printEnum ("Binding", Symbol->getBinding(),
629 makeArrayRef(ElfSymbolBindings));
630 W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
631 W.printNumber("Other", Symbol->st_other);
632 W.printHex ("Section", SectionName, Symbol->st_shndx);
635 #define LLVM_READOBJ_TYPE_CASE(name) \
636 case DT_##name: return #name
638 static const char *getTypeString(uint64_t Type) {
640 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
641 LLVM_READOBJ_TYPE_CASE(DEBUG);
642 LLVM_READOBJ_TYPE_CASE(FINI);
643 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
644 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
645 LLVM_READOBJ_TYPE_CASE(FLAGS);
646 LLVM_READOBJ_TYPE_CASE(HASH);
647 LLVM_READOBJ_TYPE_CASE(INIT);
648 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
649 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
650 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
651 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
652 LLVM_READOBJ_TYPE_CASE(JMPREL);
653 LLVM_READOBJ_TYPE_CASE(NEEDED);
654 LLVM_READOBJ_TYPE_CASE(NULL);
655 LLVM_READOBJ_TYPE_CASE(PLTGOT);
656 LLVM_READOBJ_TYPE_CASE(PLTREL);
657 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
658 LLVM_READOBJ_TYPE_CASE(REL);
659 LLVM_READOBJ_TYPE_CASE(RELA);
660 LLVM_READOBJ_TYPE_CASE(RELENT);
661 LLVM_READOBJ_TYPE_CASE(RELSZ);
662 LLVM_READOBJ_TYPE_CASE(RELAENT);
663 LLVM_READOBJ_TYPE_CASE(RELASZ);
664 LLVM_READOBJ_TYPE_CASE(RPATH);
665 LLVM_READOBJ_TYPE_CASE(RUNPATH);
666 LLVM_READOBJ_TYPE_CASE(SONAME);
667 LLVM_READOBJ_TYPE_CASE(STRSZ);
668 LLVM_READOBJ_TYPE_CASE(STRTAB);
669 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
670 LLVM_READOBJ_TYPE_CASE(SYMENT);
671 LLVM_READOBJ_TYPE_CASE(SYMTAB);
672 LLVM_READOBJ_TYPE_CASE(TEXTREL);
673 default: return "unknown";
677 #undef LLVM_READOBJ_TYPE_CASE
679 template <class ELFT>
680 static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
681 bool Is64, raw_ostream &OS) {
684 if (Value == DT_REL) {
687 } else if (Value == DT_RELA) {
703 case DT_PREINIT_ARRAY:
706 OS << format("0x%" PRIX64, Value);
715 case DT_INIT_ARRAYSZ:
716 case DT_FINI_ARRAYSZ:
717 case DT_PREINIT_ARRAYSZ:
718 OS << Value << " (bytes)";
721 OS << "SharedLibrary (" << O->getDynamicString(Value) << ")";
724 OS << "LibrarySoname (" << O->getDynamicString(Value) << ")";
730 void ELFDumper<ELFT>::printUnwindInfo() {
731 W.startLine() << "UnwindInfo not implemented.\n";
735 void ELFDumper<ELFT>::printDynamicTable() {
736 typedef typename ELFO::Elf_Dyn_Iter EDI;
737 EDI Start = Obj->begin_dynamic_table(), End = Obj->end_dynamic_table(true);
742 ptrdiff_t Total = std::distance(Start, End);
743 raw_ostream &OS = W.getOStream();
744 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
746 bool Is64 = ELFT::Is64Bits;
749 << " Tag" << (Is64 ? " " : " ") << "Type"
750 << " " << "Name/Value\n";
751 for (; Start != End; ++Start) {
754 << format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Start->getTag())
755 << " " << format("%-21s", getTypeString(Start->getTag()));
756 printValue(Obj, Start->getTag(), Start->getVal(), Is64, OS);
760 W.startLine() << "]\n";
764 void ELFDumper<ELFT>::printNeededLibraries() {
765 ListScope D(W, "NeededLibraries");
769 typedef std::vector<StringRef> LibsTy;
772 for (typename ELFO::Elf_Dyn_Iter DynI = Obj->begin_dynamic_table(),
773 DynE = Obj->end_dynamic_table();
774 DynI != DynE; ++DynI)
775 if (DynI->d_tag == ELF::DT_NEEDED)
776 Libs.push_back(Obj->getDynamicString(DynI->d_un.d_val));
778 std::stable_sort(Libs.begin(), Libs.end());
780 for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end(); I != E; ++I) {
781 outs() << " " << *I << "\n";
786 void ELFDumper<ELFT>::printProgramHeaders() {
787 ListScope L(W, "ProgramHeaders");
789 for (typename ELFO::Elf_Phdr_Iter PI = Obj->begin_program_headers(),
790 PE = Obj->end_program_headers();
792 DictScope P(W, "ProgramHeader");
793 W.printEnum ("Type", PI->p_type, makeArrayRef(ElfSegmentTypes));
794 W.printHex ("Offset", PI->p_offset);
795 W.printHex ("VirtualAddress", PI->p_vaddr);
796 W.printHex ("PhysicalAddress", PI->p_paddr);
797 W.printNumber("FileSize", PI->p_filesz);
798 W.printNumber("MemSize", PI->p_memsz);
799 W.printFlags ("Flags", PI->p_flags, makeArrayRef(ElfSegmentFlags));
800 W.printNumber("Alignment", PI->p_align);