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 virtual void printFileHeaders() LLVM_OVERRIDE;
46 virtual void printSections() LLVM_OVERRIDE;
47 virtual void printRelocations() LLVM_OVERRIDE;
48 virtual void printSymbols() LLVM_OVERRIDE;
49 virtual void printDynamicSymbols() LLVM_OVERRIDE;
50 virtual void printUnwindInfo() LLVM_OVERRIDE;
52 virtual void printDynamicTable() LLVM_OVERRIDE;
53 virtual void printNeededLibraries() LLVM_OVERRIDE;
54 virtual void printProgramHeaders() LLVM_OVERRIDE;
56 virtual void printAttributes() LLVM_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 OwningPtr<ObjDumper> &Result) {
87 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
88 return readobj_error::success;
91 error_code createELFDumper(const object::ObjectFile *Obj,
93 OwningPtr<ObjDumper> &Result) {
94 // Little-endian 32-bit
95 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
96 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
99 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
100 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
102 // Little-endian 64-bit
103 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
104 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
107 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
108 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
110 return readobj_error::unsupported_obj_file_format;
115 static const EnumEntry<unsigned> ElfClass[] = {
116 { "None", ELF::ELFCLASSNONE },
117 { "32-bit", ELF::ELFCLASS32 },
118 { "64-bit", ELF::ELFCLASS64 },
121 static const EnumEntry<unsigned> ElfDataEncoding[] = {
122 { "None", ELF::ELFDATANONE },
123 { "LittleEndian", ELF::ELFDATA2LSB },
124 { "BigEndian", ELF::ELFDATA2MSB },
127 static const EnumEntry<unsigned> ElfObjectFileType[] = {
128 { "None", ELF::ET_NONE },
129 { "Relocatable", ELF::ET_REL },
130 { "Executable", ELF::ET_EXEC },
131 { "SharedObject", ELF::ET_DYN },
132 { "Core", ELF::ET_CORE },
135 static const EnumEntry<unsigned> ElfOSABI[] = {
136 { "SystemV", ELF::ELFOSABI_NONE },
137 { "HPUX", ELF::ELFOSABI_HPUX },
138 { "NetBSD", ELF::ELFOSABI_NETBSD },
139 { "GNU/Linux", ELF::ELFOSABI_LINUX },
140 { "GNU/Hurd", ELF::ELFOSABI_HURD },
141 { "Solaris", ELF::ELFOSABI_SOLARIS },
142 { "AIX", ELF::ELFOSABI_AIX },
143 { "IRIX", ELF::ELFOSABI_IRIX },
144 { "FreeBSD", ELF::ELFOSABI_FREEBSD },
145 { "TRU64", ELF::ELFOSABI_TRU64 },
146 { "Modesto", ELF::ELFOSABI_MODESTO },
147 { "OpenBSD", ELF::ELFOSABI_OPENBSD },
148 { "OpenVMS", ELF::ELFOSABI_OPENVMS },
149 { "NSK", ELF::ELFOSABI_NSK },
150 { "AROS", ELF::ELFOSABI_AROS },
151 { "FenixOS", ELF::ELFOSABI_FENIXOS },
152 { "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
153 { "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
154 { "ARM", ELF::ELFOSABI_ARM },
155 { "Standalone" , ELF::ELFOSABI_STANDALONE }
158 static const EnumEntry<unsigned> ElfMachineType[] = {
159 LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
160 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
161 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
162 LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
163 LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
164 LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
165 LLVM_READOBJ_ENUM_ENT(ELF, EM_486 ),
166 LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
167 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
168 LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
169 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
170 LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
171 LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
172 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
173 LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
174 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
175 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
176 LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
177 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
178 LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
179 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
180 LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
181 LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
182 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
183 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
184 LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
185 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
186 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
187 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
188 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
189 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
190 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
191 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
192 LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
193 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
194 LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
195 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
196 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
197 LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
198 LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
199 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
200 LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
201 LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
202 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
203 LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
204 LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
205 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
206 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
207 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
208 LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
209 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
210 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
211 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
212 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
213 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
214 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
215 LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
216 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
217 LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
218 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
219 LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
220 LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
221 LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
222 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
223 LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
224 LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
225 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
226 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
227 LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
228 LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
229 LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
230 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
231 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
232 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
233 LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
234 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
235 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
236 LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
237 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
238 LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
239 LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
240 LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
241 LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
242 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
243 LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
244 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
245 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
246 LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
247 LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
248 LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
249 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
250 LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
251 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
252 LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
253 LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
254 LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
255 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
256 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
257 LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
258 LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
259 LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
260 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
261 LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
262 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
263 LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
264 LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
265 LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
266 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
267 LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
268 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
269 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
270 LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
271 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
272 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
273 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
274 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
275 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
276 LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
277 LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
278 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
279 LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
280 LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
281 LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
282 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
283 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
284 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
285 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
286 LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
287 LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
288 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
289 LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
290 LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
291 LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
292 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
293 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
294 LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
295 LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
296 LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
297 LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
298 LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
299 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
300 LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
301 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
302 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
303 LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
304 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
305 LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
306 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
307 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
308 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
309 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
310 LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
311 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
312 LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
313 LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX )
316 static const EnumEntry<unsigned> ElfSymbolBindings[] = {
317 { "Local", ELF::STB_LOCAL },
318 { "Global", ELF::STB_GLOBAL },
319 { "Weak", ELF::STB_WEAK }
322 static const EnumEntry<unsigned> ElfSymbolTypes[] = {
323 { "None", ELF::STT_NOTYPE },
324 { "Object", ELF::STT_OBJECT },
325 { "Function", ELF::STT_FUNC },
326 { "Section", ELF::STT_SECTION },
327 { "File", ELF::STT_FILE },
328 { "Common", ELF::STT_COMMON },
329 { "TLS", ELF::STT_TLS },
330 { "GNU_IFunc", ELF::STT_GNU_IFUNC }
333 static const char *getElfSectionType(unsigned Arch, unsigned Type) {
337 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
338 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
339 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
340 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
341 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
343 case ELF::EM_HEXAGON:
344 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
346 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
348 case ELF::EM_MIPS_RS3_LE:
350 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
351 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
356 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
357 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
358 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
359 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
360 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
361 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
362 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
363 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
364 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
365 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
366 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
367 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
368 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
369 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
370 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
371 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
372 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
373 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
374 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
375 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
376 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
377 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
382 static const EnumEntry<unsigned> ElfSectionFlags[] = {
383 LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
384 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
385 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXCLUDE ),
386 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
387 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
388 LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
389 LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
390 LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
391 LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
392 LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
393 LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
394 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
395 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
396 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
399 static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
400 // Check potentially overlapped processor-specific
401 // program header type.
405 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
408 case ELF::EM_MIPS_RS3_LE:
410 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
411 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
412 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
417 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
418 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
419 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
420 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
421 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
422 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
423 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
424 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
426 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
427 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
429 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
430 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
435 static const EnumEntry<unsigned> ElfSegmentFlags[] = {
436 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
437 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
438 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
442 void ELFDumper<ELFT>::printFileHeaders() {
443 const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
446 DictScope D(W, "ElfHeader");
448 DictScope D(W, "Ident");
449 W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
451 W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
452 makeArrayRef(ElfClass));
453 W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
454 makeArrayRef(ElfDataEncoding));
455 W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
456 W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
457 makeArrayRef(ElfOSABI));
458 W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
459 W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
462 W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
463 W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
464 W.printNumber("Version", Header->e_version);
465 W.printHex ("Entry", Header->e_entry);
466 W.printHex ("ProgramHeaderOffset", Header->e_phoff);
467 W.printHex ("SectionHeaderOffset", Header->e_shoff);
468 W.printFlags ("Flags", Header->e_flags);
469 W.printNumber("HeaderSize", Header->e_ehsize);
470 W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
471 W.printNumber("ProgramHeaderCount", Header->e_phnum);
472 W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
473 W.printNumber("SectionHeaderCount", Header->e_shnum);
474 W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
479 void ELFDumper<ELFT>::printSections() {
480 ListScope SectionsD(W, "Sections");
482 int SectionIndex = -1;
483 for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
484 SecE = Obj->end_sections();
485 SecI != SecE; ++SecI) {
488 const Elf_Shdr *Section = &*SecI;
489 StringRef Name = errorOrDefault(Obj->getSectionName(Section));
491 DictScope SectionD(W, "Section");
492 W.printNumber("Index", SectionIndex);
493 W.printNumber("Name", Name, Section->sh_name);
495 getElfSectionType(Obj->getHeader()->e_machine, Section->sh_type),
497 W.printFlags ("Flags", Section->sh_flags, makeArrayRef(ElfSectionFlags));
498 W.printHex ("Address", Section->sh_addr);
499 W.printHex ("Offset", Section->sh_offset);
500 W.printNumber("Size", Section->sh_size);
501 W.printNumber("Link", Section->sh_link);
502 W.printNumber("Info", Section->sh_info);
503 W.printNumber("AddressAlignment", Section->sh_addralign);
504 W.printNumber("EntrySize", Section->sh_entsize);
506 if (opts::SectionRelocations) {
507 ListScope D(W, "Relocations");
508 printRelocations(Section);
511 if (opts::SectionSymbols) {
512 ListScope D(W, "Symbols");
513 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
514 SymE = Obj->end_symbols();
515 SymI != SymE; ++SymI) {
516 if (Obj->getSection(&*SymI) == Section)
521 if (opts::SectionData) {
522 ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(Section));
523 W.printBinaryBlock("SectionData",
524 StringRef((const char *)Data.data(), Data.size()));
530 void ELFDumper<ELFT>::printRelocations() {
531 ListScope D(W, "Relocations");
533 int SectionNumber = -1;
534 for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
535 SecE = Obj->end_sections();
536 SecI != SecE; ++SecI) {
539 if (SecI->sh_type != ELF::SHT_REL && SecI->sh_type != ELF::SHT_RELA)
542 StringRef Name = errorOrDefault(Obj->getSectionName(&*SecI));
544 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
547 printRelocations(&*SecI);
550 W.startLine() << "}\n";
554 template <class ELFT>
555 void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
556 switch (Sec->sh_type) {
558 for (typename ELFO::Elf_Rel_Iter RI = Obj->begin_rel(Sec),
559 RE = Obj->end_rel(Sec);
561 typename ELFO::Elf_Rela Rela;
562 Rela.r_offset = RI->r_offset;
563 Rela.r_info = RI->r_info;
565 printRelocation(Sec, Rela);
569 for (typename ELFO::Elf_Rela_Iter RI = Obj->begin_rela(Sec),
570 RE = Obj->end_rela(Sec);
572 printRelocation(Sec, *RI);
578 template <class ELFT>
579 void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
580 typename ELFO::Elf_Rela Rel) {
581 SmallString<32> RelocName;
582 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
583 StringRef SymbolName;
584 std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
585 Obj->getRelocationSymbol(Sec, &Rel);
587 SymbolName = errorOrDefault(Obj->getSymbolName(Sym.first, Sym.second));
589 if (opts::ExpandRelocs) {
590 DictScope Group(W, "Relocation");
591 W.printHex("Offset", Rel.r_offset);
592 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
593 W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
594 W.printHex("Addend", Rel.r_addend);
596 raw_ostream& OS = W.startLine();
597 OS << W.hex(Rel.r_offset)
599 << " " << (SymbolName.size() > 0 ? SymbolName : "-")
600 << " " << W.hex(Rel.r_addend)
606 void ELFDumper<ELFT>::printSymbols() {
607 ListScope Group(W, "Symbols");
608 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
609 SymE = Obj->end_symbols();
610 SymI != SymE; ++SymI) {
616 void ELFDumper<ELFT>::printDynamicSymbols() {
617 ListScope Group(W, "DynamicSymbols");
619 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_dynamic_symbols(),
620 SymE = Obj->end_dynamic_symbols();
621 SymI != SymE; ++SymI) {
626 template <class ELFT>
627 void ELFDumper<ELFT>::printSymbol(typename ELFO::Elf_Sym_Iter Symbol) {
628 StringRef SymbolName = errorOrDefault(Obj->getSymbolName(Symbol));
629 const Elf_Shdr *Sec = Obj->getSection(&*Symbol);
630 StringRef SectionName = Sec ? errorOrDefault(Obj->getSectionName(Sec)) : "";
631 std::string FullSymbolName(SymbolName);
632 if (Symbol.isDynamic()) {
634 ErrorOr<StringRef> Version = Obj->getSymbolVersion(0, &*Symbol, IsDefault);
636 FullSymbolName += (IsDefault ? "@@" : "@");
637 FullSymbolName += *Version;
639 error(Version.getError());
642 DictScope D(W, "Symbol");
643 W.printNumber("Name", FullSymbolName, Symbol->st_name);
644 W.printHex ("Value", Symbol->st_value);
645 W.printNumber("Size", Symbol->st_size);
646 W.printEnum ("Binding", Symbol->getBinding(),
647 makeArrayRef(ElfSymbolBindings));
648 W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
649 W.printNumber("Other", Symbol->st_other);
650 W.printHex ("Section", SectionName, Symbol->st_shndx);
653 #define LLVM_READOBJ_TYPE_CASE(name) \
654 case DT_##name: return #name
656 static const char *getTypeString(uint64_t Type) {
658 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
659 LLVM_READOBJ_TYPE_CASE(DEBUG);
660 LLVM_READOBJ_TYPE_CASE(FINI);
661 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
662 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
663 LLVM_READOBJ_TYPE_CASE(FLAGS);
664 LLVM_READOBJ_TYPE_CASE(HASH);
665 LLVM_READOBJ_TYPE_CASE(INIT);
666 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
667 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
668 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
669 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
670 LLVM_READOBJ_TYPE_CASE(JMPREL);
671 LLVM_READOBJ_TYPE_CASE(NEEDED);
672 LLVM_READOBJ_TYPE_CASE(NULL);
673 LLVM_READOBJ_TYPE_CASE(PLTGOT);
674 LLVM_READOBJ_TYPE_CASE(PLTREL);
675 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
676 LLVM_READOBJ_TYPE_CASE(REL);
677 LLVM_READOBJ_TYPE_CASE(RELA);
678 LLVM_READOBJ_TYPE_CASE(RELENT);
679 LLVM_READOBJ_TYPE_CASE(RELSZ);
680 LLVM_READOBJ_TYPE_CASE(RELAENT);
681 LLVM_READOBJ_TYPE_CASE(RELASZ);
682 LLVM_READOBJ_TYPE_CASE(RPATH);
683 LLVM_READOBJ_TYPE_CASE(RUNPATH);
684 LLVM_READOBJ_TYPE_CASE(SONAME);
685 LLVM_READOBJ_TYPE_CASE(STRSZ);
686 LLVM_READOBJ_TYPE_CASE(STRTAB);
687 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
688 LLVM_READOBJ_TYPE_CASE(SYMENT);
689 LLVM_READOBJ_TYPE_CASE(SYMTAB);
690 LLVM_READOBJ_TYPE_CASE(TEXTREL);
691 LLVM_READOBJ_TYPE_CASE(VERNEED);
692 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
693 LLVM_READOBJ_TYPE_CASE(VERSYM);
694 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
695 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
696 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
697 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
698 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
699 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
700 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
701 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
702 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
703 default: return "unknown";
707 #undef LLVM_READOBJ_TYPE_CASE
709 template <class ELFT>
710 static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
711 bool Is64, raw_ostream &OS) {
714 if (Value == DT_REL) {
717 } else if (Value == DT_RELA) {
733 case DT_PREINIT_ARRAY:
739 case DT_MIPS_BASE_ADDRESS:
741 case DT_MIPS_RLD_MAP:
743 OS << format("0x%" PRIX64, Value);
746 case DT_MIPS_RLD_VERSION:
747 case DT_MIPS_LOCAL_GOTNO:
748 case DT_MIPS_SYMTABNO:
749 case DT_MIPS_UNREFEXTNO:
759 case DT_INIT_ARRAYSZ:
760 case DT_FINI_ARRAYSZ:
761 case DT_PREINIT_ARRAYSZ:
762 OS << Value << " (bytes)";
765 OS << "SharedLibrary (" << O->getDynamicString(Value) << ")";
768 OS << "LibrarySoname (" << O->getDynamicString(Value) << ")";
772 OS << O->getDynamicString(Value);
778 void ELFDumper<ELFT>::printUnwindInfo() {
779 W.startLine() << "UnwindInfo not implemented.\n";
784 void ELFDumper<ELFType<support::little, 2, false> >::printUnwindInfo() {
785 const unsigned Machine = Obj->getHeader()->e_machine;
786 if (Machine == EM_ARM) {
787 ARM::EHABI::PrinterContext<ELFType<support::little, 2, false> > Ctx(W, Obj);
788 return Ctx.PrintUnwindInformation();
790 W.startLine() << "UnwindInfo not implemented.\n";
795 void ELFDumper<ELFT>::printDynamicTable() {
796 typedef typename ELFO::Elf_Dyn_Iter EDI;
797 EDI Start = Obj->begin_dynamic_table(), End = Obj->end_dynamic_table(true);
802 ptrdiff_t Total = std::distance(Start, End);
803 raw_ostream &OS = W.getOStream();
804 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
806 bool Is64 = ELFT::Is64Bits;
809 << " Tag" << (Is64 ? " " : " ") << "Type"
810 << " " << "Name/Value\n";
811 for (; Start != End; ++Start) {
814 << format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Start->getTag())
815 << " " << format("%-21s", getTypeString(Start->getTag()));
816 printValue(Obj, Start->getTag(), Start->getVal(), Is64, OS);
820 W.startLine() << "]\n";
824 void ELFDumper<ELFT>::printNeededLibraries() {
825 ListScope D(W, "NeededLibraries");
827 typedef std::vector<StringRef> LibsTy;
830 for (typename ELFO::Elf_Dyn_Iter DynI = Obj->begin_dynamic_table(),
831 DynE = Obj->end_dynamic_table();
832 DynI != DynE; ++DynI)
833 if (DynI->d_tag == ELF::DT_NEEDED)
834 Libs.push_back(Obj->getDynamicString(DynI->d_un.d_val));
836 std::stable_sort(Libs.begin(), Libs.end());
838 for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end(); I != E; ++I) {
839 outs() << " " << *I << "\n";
844 void ELFDumper<ELFT>::printProgramHeaders() {
845 ListScope L(W, "ProgramHeaders");
847 for (typename ELFO::Elf_Phdr_Iter PI = Obj->begin_program_headers(),
848 PE = Obj->end_program_headers();
850 DictScope P(W, "ProgramHeader");
852 getElfSegmentType(Obj->getHeader()->e_machine, PI->p_type),
854 W.printHex ("Offset", PI->p_offset);
855 W.printHex ("VirtualAddress", PI->p_vaddr);
856 W.printHex ("PhysicalAddress", PI->p_paddr);
857 W.printNumber("FileSize", PI->p_filesz);
858 W.printNumber("MemSize", PI->p_memsz);
859 W.printFlags ("Flags", PI->p_flags, makeArrayRef(ElfSegmentFlags));
860 W.printNumber("Alignment", PI->p_align);
864 template <class ELFT>
865 void ELFDumper<ELFT>::printAttributes() {
866 W.startLine() << "Attributes not implemented.\n";
871 void ELFDumper<ELFType<support::little, 2, false> >::printAttributes() {
872 if (Obj->getHeader()->e_machine != EM_ARM) {
873 W.startLine() << "Attributes not implemented.\n";
877 DictScope BA(W, "BuildAttributes");
878 for (ELFO::Elf_Shdr_Iter SI = Obj->begin_sections(), SE = Obj->end_sections();
880 if (SI->sh_type != ELF::SHT_ARM_ATTRIBUTES)
883 ErrorOr<ArrayRef<uint8_t> > Contents = Obj->getSectionContents(&(*SI));
887 if ((*Contents)[0] != ARMBuildAttrs::Format_Version) {
888 errs() << "unrecognised FormatVersion: 0x" << utohexstr((*Contents)[0])
893 W.printHex("FormatVersion", (*Contents)[0]);
894 if (Contents->size() == 1)
897 ARMAttributeParser(W).Parse(*Contents);