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/SmallString.h"
22 #include "llvm/ADT/StringExtras.h"
23 #include "llvm/Object/ELFObjectFile.h"
24 #include "llvm/Support/ARMBuildAttributes.h"
25 #include "llvm/Support/Compiler.h"
26 #include "llvm/Support/Format.h"
27 #include "llvm/Support/MathExtras.h"
28 #include "llvm/Support/raw_ostream.h"
31 using namespace llvm::object;
34 #define LLVM_READOBJ_ENUM_CASE(ns, enum) \
35 case ns::enum: return #enum;
39 template<typename ELFT>
40 class ELFDumper : public ObjDumper {
42 ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer)
43 : ObjDumper(Writer), Obj(Obj) {}
45 void printFileHeaders() override;
46 void printSections() override;
47 void printRelocations() override;
48 void printSymbols() override;
49 void printDynamicSymbols() override;
50 void printUnwindInfo() override;
52 void printDynamicTable() override;
53 void printNeededLibraries() override;
54 void printProgramHeaders() override;
56 void printAttributes() override;
59 typedef ELFFile<ELFT> ELFO;
60 typedef typename ELFO::Elf_Shdr Elf_Shdr;
61 typedef typename ELFO::Elf_Sym Elf_Sym;
63 void printSymbol(typename ELFO::Elf_Sym_Iter Symbol);
65 void printRelocations(const Elf_Shdr *Sec);
66 void printRelocation(const Elf_Shdr *Sec, typename ELFO::Elf_Rela Rel);
71 template <class T> T errorOrDefault(ErrorOr<T> Val, T Default = T()) {
73 error(Val.getError());
84 static error_code createELFDumper(const ELFFile<ELFT> *Obj,
86 std::unique_ptr<ObjDumper> &Result) {
87 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
88 return readobj_error::success;
91 error_code createELFDumper(const object::ObjectFile *Obj, StreamWriter &Writer,
92 std::unique_ptr<ObjDumper> &Result) {
93 // Little-endian 32-bit
94 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
95 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
98 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
99 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
101 // Little-endian 64-bit
102 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
103 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
106 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
107 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
109 return readobj_error::unsupported_obj_file_format;
114 static const EnumEntry<unsigned> ElfClass[] = {
115 { "None", ELF::ELFCLASSNONE },
116 { "32-bit", ELF::ELFCLASS32 },
117 { "64-bit", ELF::ELFCLASS64 },
120 static const EnumEntry<unsigned> ElfDataEncoding[] = {
121 { "None", ELF::ELFDATANONE },
122 { "LittleEndian", ELF::ELFDATA2LSB },
123 { "BigEndian", ELF::ELFDATA2MSB },
126 static const EnumEntry<unsigned> ElfObjectFileType[] = {
127 { "None", ELF::ET_NONE },
128 { "Relocatable", ELF::ET_REL },
129 { "Executable", ELF::ET_EXEC },
130 { "SharedObject", ELF::ET_DYN },
131 { "Core", ELF::ET_CORE },
134 static const EnumEntry<unsigned> ElfOSABI[] = {
135 { "SystemV", ELF::ELFOSABI_NONE },
136 { "HPUX", ELF::ELFOSABI_HPUX },
137 { "NetBSD", ELF::ELFOSABI_NETBSD },
138 { "GNU/Linux", ELF::ELFOSABI_LINUX },
139 { "GNU/Hurd", ELF::ELFOSABI_HURD },
140 { "Solaris", ELF::ELFOSABI_SOLARIS },
141 { "AIX", ELF::ELFOSABI_AIX },
142 { "IRIX", ELF::ELFOSABI_IRIX },
143 { "FreeBSD", ELF::ELFOSABI_FREEBSD },
144 { "TRU64", ELF::ELFOSABI_TRU64 },
145 { "Modesto", ELF::ELFOSABI_MODESTO },
146 { "OpenBSD", ELF::ELFOSABI_OPENBSD },
147 { "OpenVMS", ELF::ELFOSABI_OPENVMS },
148 { "NSK", ELF::ELFOSABI_NSK },
149 { "AROS", ELF::ELFOSABI_AROS },
150 { "FenixOS", ELF::ELFOSABI_FENIXOS },
151 { "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
152 { "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
153 { "ARM", ELF::ELFOSABI_ARM },
154 { "Standalone" , ELF::ELFOSABI_STANDALONE }
157 static const EnumEntry<unsigned> ElfMachineType[] = {
158 LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
159 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
160 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
161 LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
162 LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
163 LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
164 LLVM_READOBJ_ENUM_ENT(ELF, EM_486 ),
165 LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
166 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
167 LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
168 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
169 LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
170 LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
171 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
172 LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
173 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
174 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
175 LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
176 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
177 LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
178 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
179 LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
180 LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
181 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
182 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
183 LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
184 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
185 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
186 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
187 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
188 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
189 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
190 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
191 LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
192 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
193 LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
194 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
195 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
196 LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
197 LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
198 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
199 LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
200 LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
201 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
202 LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
203 LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
204 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
205 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
206 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
207 LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
208 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
209 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
210 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
211 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
212 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
213 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
214 LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
215 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
216 LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
217 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
218 LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
219 LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
220 LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
221 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
222 LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
223 LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
224 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
225 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
226 LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
227 LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
228 LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
229 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
230 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
231 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
232 LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
233 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
234 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
235 LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
236 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
237 LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
238 LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
239 LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
240 LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
241 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
242 LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
243 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
244 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
245 LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
246 LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
247 LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
248 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
249 LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
250 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
251 LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
252 LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
253 LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
254 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
255 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
256 LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
257 LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
258 LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
259 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
260 LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
261 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
262 LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
263 LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
264 LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
265 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
266 LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
267 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
268 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
269 LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
270 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
271 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
272 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
273 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
274 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
275 LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
276 LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
277 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
278 LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
279 LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
280 LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
281 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
282 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
283 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
284 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
285 LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
286 LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
287 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
288 LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
289 LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
290 LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
291 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
292 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
293 LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
294 LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
295 LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
296 LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
297 LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
298 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
299 LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
300 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
301 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
302 LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
303 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
304 LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
305 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
306 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
307 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
308 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
309 LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
310 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
311 LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
312 LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX )
315 static const EnumEntry<unsigned> ElfSymbolBindings[] = {
316 { "Local", ELF::STB_LOCAL },
317 { "Global", ELF::STB_GLOBAL },
318 { "Weak", ELF::STB_WEAK }
321 static const EnumEntry<unsigned> ElfSymbolTypes[] = {
322 { "None", ELF::STT_NOTYPE },
323 { "Object", ELF::STT_OBJECT },
324 { "Function", ELF::STT_FUNC },
325 { "Section", ELF::STT_SECTION },
326 { "File", ELF::STT_FILE },
327 { "Common", ELF::STT_COMMON },
328 { "TLS", ELF::STT_TLS },
329 { "GNU_IFunc", ELF::STT_GNU_IFUNC }
332 static const char *getElfSectionType(unsigned Arch, unsigned Type) {
336 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
337 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
338 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
339 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
340 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
342 case ELF::EM_HEXAGON:
343 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
345 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
347 case ELF::EM_MIPS_RS3_LE:
349 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
350 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
355 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
356 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
357 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
358 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
359 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
360 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
361 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
362 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
363 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
364 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
365 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
366 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
367 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
368 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
369 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
370 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
371 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
372 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
373 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
374 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
375 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
376 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
381 static const EnumEntry<unsigned> ElfSectionFlags[] = {
382 LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
383 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
384 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXCLUDE ),
385 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
386 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
387 LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
388 LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
389 LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
390 LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
391 LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
392 LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
393 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
394 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
395 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
398 static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
399 // Check potentially overlapped processor-specific
400 // program header type.
404 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
407 case ELF::EM_MIPS_RS3_LE:
409 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
410 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
411 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
416 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
417 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
418 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
419 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
420 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
421 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
422 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
423 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
425 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
426 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
428 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
429 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
434 static const EnumEntry<unsigned> ElfSegmentFlags[] = {
435 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
436 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
437 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
441 void ELFDumper<ELFT>::printFileHeaders() {
442 const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
445 DictScope D(W, "ElfHeader");
447 DictScope D(W, "Ident");
448 W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
450 W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
451 makeArrayRef(ElfClass));
452 W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
453 makeArrayRef(ElfDataEncoding));
454 W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
455 W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
456 makeArrayRef(ElfOSABI));
457 W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
458 W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
461 W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
462 W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
463 W.printNumber("Version", Header->e_version);
464 W.printHex ("Entry", Header->e_entry);
465 W.printHex ("ProgramHeaderOffset", Header->e_phoff);
466 W.printHex ("SectionHeaderOffset", Header->e_shoff);
467 W.printFlags ("Flags", Header->e_flags);
468 W.printNumber("HeaderSize", Header->e_ehsize);
469 W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
470 W.printNumber("ProgramHeaderCount", Header->e_phnum);
471 W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
472 W.printNumber("SectionHeaderCount", Header->e_shnum);
473 W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
478 void ELFDumper<ELFT>::printSections() {
479 ListScope SectionsD(W, "Sections");
481 int SectionIndex = -1;
482 for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
483 SecE = Obj->end_sections();
484 SecI != SecE; ++SecI) {
487 const Elf_Shdr *Section = &*SecI;
488 StringRef Name = errorOrDefault(Obj->getSectionName(Section));
490 DictScope SectionD(W, "Section");
491 W.printNumber("Index", SectionIndex);
492 W.printNumber("Name", Name, Section->sh_name);
494 getElfSectionType(Obj->getHeader()->e_machine, Section->sh_type),
496 W.printFlags ("Flags", Section->sh_flags, makeArrayRef(ElfSectionFlags));
497 W.printHex ("Address", Section->sh_addr);
498 W.printHex ("Offset", Section->sh_offset);
499 W.printNumber("Size", Section->sh_size);
500 W.printNumber("Link", Section->sh_link);
501 W.printNumber("Info", Section->sh_info);
502 W.printNumber("AddressAlignment", Section->sh_addralign);
503 W.printNumber("EntrySize", Section->sh_entsize);
505 if (opts::SectionRelocations) {
506 ListScope D(W, "Relocations");
507 printRelocations(Section);
510 if (opts::SectionSymbols) {
511 ListScope D(W, "Symbols");
512 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
513 SymE = Obj->end_symbols();
514 SymI != SymE; ++SymI) {
515 if (Obj->getSection(&*SymI) == Section)
520 if (opts::SectionData) {
521 ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(Section));
522 W.printBinaryBlock("SectionData",
523 StringRef((const char *)Data.data(), Data.size()));
529 void ELFDumper<ELFT>::printRelocations() {
530 ListScope D(W, "Relocations");
532 int SectionNumber = -1;
533 for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
534 SecE = Obj->end_sections();
535 SecI != SecE; ++SecI) {
538 if (SecI->sh_type != ELF::SHT_REL && SecI->sh_type != ELF::SHT_RELA)
541 StringRef Name = errorOrDefault(Obj->getSectionName(&*SecI));
543 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
546 printRelocations(&*SecI);
549 W.startLine() << "}\n";
553 template <class ELFT>
554 void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
555 switch (Sec->sh_type) {
557 for (typename ELFO::Elf_Rel_Iter RI = Obj->begin_rel(Sec),
558 RE = Obj->end_rel(Sec);
560 typename ELFO::Elf_Rela Rela;
561 Rela.r_offset = RI->r_offset;
562 Rela.r_info = RI->r_info;
564 printRelocation(Sec, Rela);
568 for (typename ELFO::Elf_Rela_Iter RI = Obj->begin_rela(Sec),
569 RE = Obj->end_rela(Sec);
571 printRelocation(Sec, *RI);
577 template <class ELFT>
578 void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
579 typename ELFO::Elf_Rela Rel) {
580 SmallString<32> RelocName;
581 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
582 StringRef SymbolName;
583 std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
584 Obj->getRelocationSymbol(Sec, &Rel);
586 SymbolName = errorOrDefault(Obj->getSymbolName(Sym.first, Sym.second));
588 if (opts::ExpandRelocs) {
589 DictScope Group(W, "Relocation");
590 W.printHex("Offset", Rel.r_offset);
591 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
592 W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
593 W.printHex("Addend", Rel.r_addend);
595 raw_ostream& OS = W.startLine();
596 OS << W.hex(Rel.r_offset)
598 << " " << (SymbolName.size() > 0 ? SymbolName : "-")
599 << " " << W.hex(Rel.r_addend)
605 void ELFDumper<ELFT>::printSymbols() {
606 ListScope Group(W, "Symbols");
607 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
608 SymE = Obj->end_symbols();
609 SymI != SymE; ++SymI) {
615 void ELFDumper<ELFT>::printDynamicSymbols() {
616 ListScope Group(W, "DynamicSymbols");
618 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_dynamic_symbols(),
619 SymE = Obj->end_dynamic_symbols();
620 SymI != SymE; ++SymI) {
625 template <class ELFT>
626 void ELFDumper<ELFT>::printSymbol(typename ELFO::Elf_Sym_Iter Symbol) {
627 StringRef SymbolName = errorOrDefault(Obj->getSymbolName(Symbol));
629 unsigned SectionIndex = Symbol->st_shndx;
630 StringRef SectionName;
631 if (SectionIndex == SHN_UNDEF) {
632 SectionName = "Undefined";
633 } else if (SectionIndex >= SHN_LOPROC && SectionIndex <= SHN_HIPROC) {
634 SectionName = "Processor Specific";
635 } else if (SectionIndex >= SHN_LOOS && SectionIndex <= SHN_HIOS) {
636 SectionName = "Operating System Specific";
637 } else if (SectionIndex > SHN_HIOS && SectionIndex < SHN_ABS) {
638 SectionName = "Reserved";
639 } else if (SectionIndex == SHN_ABS) {
640 SectionName = "Absolute";
641 } else if (SectionIndex == SHN_COMMON) {
642 SectionName = "Common";
644 if (SectionIndex == SHN_XINDEX)
645 SectionIndex = Obj->getSymbolTableIndex(&*Symbol);
646 assert(SectionIndex != SHN_XINDEX &&
647 "getSymbolTableIndex should handle this");
648 const Elf_Shdr *Sec = Obj->getSection(SectionIndex);
649 SectionName = errorOrDefault(Obj->getSectionName(Sec));
652 std::string FullSymbolName(SymbolName);
653 if (Symbol.isDynamic()) {
655 ErrorOr<StringRef> Version = Obj->getSymbolVersion(0, &*Symbol, IsDefault);
657 FullSymbolName += (IsDefault ? "@@" : "@");
658 FullSymbolName += *Version;
660 error(Version.getError());
663 DictScope D(W, "Symbol");
664 W.printNumber("Name", FullSymbolName, Symbol->st_name);
665 W.printHex ("Value", Symbol->st_value);
666 W.printNumber("Size", Symbol->st_size);
667 W.printEnum ("Binding", Symbol->getBinding(),
668 makeArrayRef(ElfSymbolBindings));
669 W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
670 W.printNumber("Other", Symbol->st_other);
671 W.printHex("Section", SectionName, SectionIndex);
674 #define LLVM_READOBJ_TYPE_CASE(name) \
675 case DT_##name: return #name
677 static const char *getTypeString(uint64_t Type) {
679 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
680 LLVM_READOBJ_TYPE_CASE(DEBUG);
681 LLVM_READOBJ_TYPE_CASE(FINI);
682 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
683 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
684 LLVM_READOBJ_TYPE_CASE(FLAGS);
685 LLVM_READOBJ_TYPE_CASE(HASH);
686 LLVM_READOBJ_TYPE_CASE(INIT);
687 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
688 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
689 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
690 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
691 LLVM_READOBJ_TYPE_CASE(JMPREL);
692 LLVM_READOBJ_TYPE_CASE(NEEDED);
693 LLVM_READOBJ_TYPE_CASE(NULL);
694 LLVM_READOBJ_TYPE_CASE(PLTGOT);
695 LLVM_READOBJ_TYPE_CASE(PLTREL);
696 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
697 LLVM_READOBJ_TYPE_CASE(REL);
698 LLVM_READOBJ_TYPE_CASE(RELA);
699 LLVM_READOBJ_TYPE_CASE(RELENT);
700 LLVM_READOBJ_TYPE_CASE(RELSZ);
701 LLVM_READOBJ_TYPE_CASE(RELAENT);
702 LLVM_READOBJ_TYPE_CASE(RELASZ);
703 LLVM_READOBJ_TYPE_CASE(RPATH);
704 LLVM_READOBJ_TYPE_CASE(RUNPATH);
705 LLVM_READOBJ_TYPE_CASE(SONAME);
706 LLVM_READOBJ_TYPE_CASE(STRSZ);
707 LLVM_READOBJ_TYPE_CASE(STRTAB);
708 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
709 LLVM_READOBJ_TYPE_CASE(SYMENT);
710 LLVM_READOBJ_TYPE_CASE(SYMTAB);
711 LLVM_READOBJ_TYPE_CASE(TEXTREL);
712 LLVM_READOBJ_TYPE_CASE(VERNEED);
713 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
714 LLVM_READOBJ_TYPE_CASE(VERSYM);
715 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
716 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
717 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
718 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
719 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
720 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
721 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
722 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
723 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
724 default: return "unknown";
728 #undef LLVM_READOBJ_TYPE_CASE
730 template <class ELFT>
731 static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
732 bool Is64, raw_ostream &OS) {
735 if (Value == DT_REL) {
738 } else if (Value == DT_RELA) {
754 case DT_PREINIT_ARRAY:
760 case DT_MIPS_BASE_ADDRESS:
762 case DT_MIPS_RLD_MAP:
764 OS << format("0x%" PRIX64, Value);
767 case DT_MIPS_RLD_VERSION:
768 case DT_MIPS_LOCAL_GOTNO:
769 case DT_MIPS_SYMTABNO:
770 case DT_MIPS_UNREFEXTNO:
780 case DT_INIT_ARRAYSZ:
781 case DT_FINI_ARRAYSZ:
782 case DT_PREINIT_ARRAYSZ:
783 OS << Value << " (bytes)";
786 OS << "SharedLibrary (" << O->getDynamicString(Value) << ")";
789 OS << "LibrarySoname (" << O->getDynamicString(Value) << ")";
793 OS << O->getDynamicString(Value);
799 void ELFDumper<ELFT>::printUnwindInfo() {
800 W.startLine() << "UnwindInfo not implemented.\n";
805 void ELFDumper<ELFType<support::little, 2, false> >::printUnwindInfo() {
806 const unsigned Machine = Obj->getHeader()->e_machine;
807 if (Machine == EM_ARM) {
808 ARM::EHABI::PrinterContext<ELFType<support::little, 2, false> > Ctx(W, Obj);
809 return Ctx.PrintUnwindInformation();
811 W.startLine() << "UnwindInfo not implemented.\n";
816 void ELFDumper<ELFT>::printDynamicTable() {
817 typedef typename ELFO::Elf_Dyn_Iter EDI;
818 EDI Start = Obj->begin_dynamic_table(), End = Obj->end_dynamic_table(true);
823 ptrdiff_t Total = std::distance(Start, End);
824 raw_ostream &OS = W.getOStream();
825 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
827 bool Is64 = ELFT::Is64Bits;
830 << " Tag" << (Is64 ? " " : " ") << "Type"
831 << " " << "Name/Value\n";
832 for (; Start != End; ++Start) {
835 << format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Start->getTag())
836 << " " << format("%-21s", getTypeString(Start->getTag()));
837 printValue(Obj, Start->getTag(), Start->getVal(), Is64, OS);
841 W.startLine() << "]\n";
845 void ELFDumper<ELFT>::printNeededLibraries() {
846 ListScope D(W, "NeededLibraries");
848 typedef std::vector<StringRef> LibsTy;
851 for (typename ELFO::Elf_Dyn_Iter DynI = Obj->begin_dynamic_table(),
852 DynE = Obj->end_dynamic_table();
853 DynI != DynE; ++DynI)
854 if (DynI->d_tag == ELF::DT_NEEDED)
855 Libs.push_back(Obj->getDynamicString(DynI->d_un.d_val));
857 std::stable_sort(Libs.begin(), Libs.end());
859 for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end(); I != E; ++I) {
860 outs() << " " << *I << "\n";
865 void ELFDumper<ELFT>::printProgramHeaders() {
866 ListScope L(W, "ProgramHeaders");
868 for (typename ELFO::Elf_Phdr_Iter PI = Obj->begin_program_headers(),
869 PE = Obj->end_program_headers();
871 DictScope P(W, "ProgramHeader");
873 getElfSegmentType(Obj->getHeader()->e_machine, PI->p_type),
875 W.printHex ("Offset", PI->p_offset);
876 W.printHex ("VirtualAddress", PI->p_vaddr);
877 W.printHex ("PhysicalAddress", PI->p_paddr);
878 W.printNumber("FileSize", PI->p_filesz);
879 W.printNumber("MemSize", PI->p_memsz);
880 W.printFlags ("Flags", PI->p_flags, makeArrayRef(ElfSegmentFlags));
881 W.printNumber("Alignment", PI->p_align);
885 template <class ELFT>
886 void ELFDumper<ELFT>::printAttributes() {
887 W.startLine() << "Attributes not implemented.\n";
892 void ELFDumper<ELFType<support::little, 2, false> >::printAttributes() {
893 if (Obj->getHeader()->e_machine != EM_ARM) {
894 W.startLine() << "Attributes not implemented.\n";
898 DictScope BA(W, "BuildAttributes");
899 for (ELFO::Elf_Shdr_Iter SI = Obj->begin_sections(), SE = Obj->end_sections();
901 if (SI->sh_type != ELF::SHT_ARM_ATTRIBUTES)
904 ErrorOr<ArrayRef<uint8_t> > Contents = Obj->getSectionContents(&(*SI));
908 if ((*Contents)[0] != ARMBuildAttrs::Format_Version) {
909 errs() << "unrecognised FormatVersion: 0x" << utohexstr((*Contents)[0])
914 W.printHex("FormatVersion", (*Contents)[0]);
915 if (Contents->size() == 1)
918 ARMAttributeParser(W).Parse(*Contents);