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/ELF.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;
32 #define LLVM_READOBJ_ENUM_CASE(ns, enum) \
33 case ns::enum: return #enum;
37 template<typename ELFT>
38 class ELFDumper : public ObjDumper {
40 ELFDumper(const ELFObjectFile<ELFT> *Obj, StreamWriter& Writer)
44 virtual void printFileHeaders() LLVM_OVERRIDE;
45 virtual void printSections() LLVM_OVERRIDE;
46 virtual void printRelocations() LLVM_OVERRIDE;
47 virtual void printSymbols() LLVM_OVERRIDE;
48 virtual void printDynamicSymbols() LLVM_OVERRIDE;
49 virtual void printUnwindInfo() LLVM_OVERRIDE;
51 virtual void printDynamicTable() LLVM_OVERRIDE;
52 virtual void printNeededLibraries() LLVM_OVERRIDE;
53 virtual void printProgramHeaders() LLVM_OVERRIDE;
56 typedef ELFObjectFile<ELFT> ELFO;
57 typedef typename ELFO::Elf_Shdr Elf_Shdr;
58 typedef typename ELFO::Elf_Sym Elf_Sym;
60 void printSymbol(symbol_iterator SymI, bool IsDynamic = false);
62 void printRelocation(section_iterator SecI, relocation_iterator RelI);
73 static error_code createELFDumper(const ELFObjectFile<ELFT> *Obj,
75 OwningPtr<ObjDumper> &Result) {
76 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
77 return readobj_error::success;
80 error_code createELFDumper(const object::ObjectFile *Obj,
82 OwningPtr<ObjDumper> &Result) {
83 // Little-endian 32-bit
84 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
85 return createELFDumper(ELFObj, Writer, Result);
88 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
89 return createELFDumper(ELFObj, Writer, Result);
91 // Little-endian 64-bit
92 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
93 return createELFDumper(ELFObj, Writer, Result);
96 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
97 return createELFDumper(ELFObj, Writer, Result);
99 return readobj_error::unsupported_obj_file_format;
105 static const EnumEntry<unsigned> ElfClass[] = {
106 { "None", ELF::ELFCLASSNONE },
107 { "32-bit", ELF::ELFCLASS32 },
108 { "64-bit", ELF::ELFCLASS64 },
111 static const EnumEntry<unsigned> ElfDataEncoding[] = {
112 { "None", ELF::ELFDATANONE },
113 { "LittleEndian", ELF::ELFDATA2LSB },
114 { "BigEndian", ELF::ELFDATA2MSB },
117 static const EnumEntry<unsigned> ElfObjectFileType[] = {
118 { "None", ELF::ET_NONE },
119 { "Relocatable", ELF::ET_REL },
120 { "Executable", ELF::ET_EXEC },
121 { "SharedObject", ELF::ET_DYN },
122 { "Core", ELF::ET_CORE },
125 static const EnumEntry<unsigned> ElfOSABI[] = {
126 { "SystemV", ELF::ELFOSABI_NONE },
127 { "HPUX", ELF::ELFOSABI_HPUX },
128 { "NetBSD", ELF::ELFOSABI_NETBSD },
129 { "GNU/Linux", ELF::ELFOSABI_LINUX },
130 { "GNU/Hurd", ELF::ELFOSABI_HURD },
131 { "Solaris", ELF::ELFOSABI_SOLARIS },
132 { "AIX", ELF::ELFOSABI_AIX },
133 { "IRIX", ELF::ELFOSABI_IRIX },
134 { "FreeBSD", ELF::ELFOSABI_FREEBSD },
135 { "TRU64", ELF::ELFOSABI_TRU64 },
136 { "Modesto", ELF::ELFOSABI_MODESTO },
137 { "OpenBSD", ELF::ELFOSABI_OPENBSD },
138 { "OpenVMS", ELF::ELFOSABI_OPENVMS },
139 { "NSK", ELF::ELFOSABI_NSK },
140 { "AROS", ELF::ELFOSABI_AROS },
141 { "FenixOS", ELF::ELFOSABI_FENIXOS },
142 { "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
143 { "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
144 { "ARM", ELF::ELFOSABI_ARM },
145 { "Standalone" , ELF::ELFOSABI_STANDALONE }
148 static const EnumEntry<unsigned> ElfMachineType[] = {
149 LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
150 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
151 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
152 LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
153 LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
154 LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
155 LLVM_READOBJ_ENUM_ENT(ELF, EM_486 ),
156 LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
157 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
158 LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
159 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
160 LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
161 LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
162 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
163 LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
164 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
165 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
166 LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
167 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
168 LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
169 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
170 LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
171 LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
172 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
173 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
174 LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
175 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
176 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
177 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
178 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
179 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
180 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
181 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
182 LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
183 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
184 LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
185 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
186 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
187 LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
188 LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
189 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
190 LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
191 LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
192 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
193 LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
194 LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
195 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
196 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
197 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
198 LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
199 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
200 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
201 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
202 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
203 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
204 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
205 LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
206 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
207 LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
208 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
209 LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
210 LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
211 LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
212 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
213 LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
214 LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
215 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
216 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
217 LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
218 LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
219 LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
220 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
221 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
222 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
223 LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
224 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
225 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
226 LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
227 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
228 LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
229 LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
230 LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
231 LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
232 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
233 LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
234 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
235 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
236 LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
237 LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
238 LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
239 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
240 LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
241 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
242 LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
243 LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
244 LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
245 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
246 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
247 LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
248 LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
249 LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
250 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
251 LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
252 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
253 LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
254 LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
255 LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
256 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
257 LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
258 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
259 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
260 LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
261 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
262 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
263 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
264 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
265 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
266 LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
267 LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
268 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
269 LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
270 LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
271 LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
272 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
273 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
274 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
275 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
276 LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
277 LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
278 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
279 LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
280 LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
281 LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
282 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
283 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
284 LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
285 LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
286 LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
287 LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
288 LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
289 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
290 LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
291 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
292 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
293 LLVM_READOBJ_ENUM_ENT(ELF, EM_MICROBLAZE ),
294 LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
295 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
296 LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
297 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
298 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
299 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
300 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
301 LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
302 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
303 LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
304 LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX ),
305 LLVM_READOBJ_ENUM_ENT(ELF, EM_MBLAZE )
308 static const EnumEntry<unsigned> ElfSymbolBindings[] = {
309 { "Local", ELF::STB_LOCAL },
310 { "Global", ELF::STB_GLOBAL },
311 { "Weak", ELF::STB_WEAK }
314 static const EnumEntry<unsigned> ElfSymbolTypes[] = {
315 { "None", ELF::STT_NOTYPE },
316 { "Object", ELF::STT_OBJECT },
317 { "Function", ELF::STT_FUNC },
318 { "Section", ELF::STT_SECTION },
319 { "File", ELF::STT_FILE },
320 { "Common", ELF::STT_COMMON },
321 { "TLS", ELF::STT_TLS },
322 { "GNU_IFunc", ELF::STT_GNU_IFUNC }
325 static const char *getElfSectionType(unsigned Arch, unsigned Type) {
329 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
330 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
331 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
332 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
333 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
335 case Triple::hexagon:
337 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED);
341 LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND);
346 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
347 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
352 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
353 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
354 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
355 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
356 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
357 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
358 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
359 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
360 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
361 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
362 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
363 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
364 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
365 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
366 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
367 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
368 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
369 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
370 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
371 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
372 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
373 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
378 static const EnumEntry<unsigned> ElfSectionFlags[] = {
379 LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
380 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
381 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
382 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
383 LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
384 LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
385 LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
386 LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
387 LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
388 LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
389 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
390 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
391 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
394 static const EnumEntry<unsigned> ElfSegmentTypes[] = {
395 LLVM_READOBJ_ENUM_ENT(ELF, PT_NULL ),
396 LLVM_READOBJ_ENUM_ENT(ELF, PT_LOAD ),
397 LLVM_READOBJ_ENUM_ENT(ELF, PT_DYNAMIC),
398 LLVM_READOBJ_ENUM_ENT(ELF, PT_INTERP ),
399 LLVM_READOBJ_ENUM_ENT(ELF, PT_NOTE ),
400 LLVM_READOBJ_ENUM_ENT(ELF, PT_SHLIB ),
401 LLVM_READOBJ_ENUM_ENT(ELF, PT_PHDR ),
402 LLVM_READOBJ_ENUM_ENT(ELF, PT_TLS ),
404 LLVM_READOBJ_ENUM_ENT(ELF, PT_GNU_EH_FRAME),
405 LLVM_READOBJ_ENUM_ENT(ELF, PT_SUNW_EH_FRAME),
406 LLVM_READOBJ_ENUM_ENT(ELF, PT_SUNW_UNWIND),
408 LLVM_READOBJ_ENUM_ENT(ELF, PT_GNU_STACK),
409 LLVM_READOBJ_ENUM_ENT(ELF, PT_GNU_RELRO),
411 LLVM_READOBJ_ENUM_ENT(ELF, PT_ARM_EXIDX),
412 LLVM_READOBJ_ENUM_ENT(ELF, PT_ARM_UNWIND)
415 static const EnumEntry<unsigned> ElfSegmentFlags[] = {
416 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
417 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
418 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
423 void ELFDumper<ELFT>::printFileHeaders() {
426 const typename ELFO::Elf_Ehdr *Header = Obj->getElfHeader();
429 DictScope D(W, "ElfHeader");
431 DictScope D(W, "Ident");
432 W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
434 W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
435 makeArrayRef(ElfClass));
436 W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
437 makeArrayRef(ElfDataEncoding));
438 W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
439 W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
440 makeArrayRef(ElfOSABI));
441 W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
442 W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
445 W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
446 W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
447 W.printNumber("Version", Header->e_version);
448 W.printHex ("Entry", Header->e_entry);
449 W.printHex ("ProgramHeaderOffset", Header->e_phoff);
450 W.printHex ("SectionHeaderOffset", Header->e_shoff);
451 W.printFlags ("Flags", Header->e_flags);
452 W.printNumber("HeaderSize", Header->e_ehsize);
453 W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
454 W.printNumber("ProgramHeaderCount", Header->e_phnum);
455 W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
456 W.printNumber("SectionHeaderCount", Header->e_shnum);
457 W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
462 void ELFDumper<ELFT>::printSections() {
463 ListScope SectionsD(W, "Sections");
465 int SectionIndex = -1;
467 for (section_iterator SecI = Obj->begin_sections(),
468 SecE = Obj->end_sections();
469 SecI != SecE; SecI.increment(EC)) {
470 if (error(EC)) break;
474 const Elf_Shdr *Section = Obj->getElfSection(SecI);
476 if (error(SecI->getName(Name)))
479 DictScope SectionD(W, "Section");
480 W.printNumber("Index", SectionIndex);
481 W.printNumber("Name", Name, Section->sh_name);
482 W.printHex ("Type", getElfSectionType(Obj->getArch(), Section->sh_type),
484 W.printFlags ("Flags", Section->sh_flags, makeArrayRef(ElfSectionFlags));
485 W.printHex ("Address", Section->sh_addr);
486 W.printHex ("Offset", Section->sh_offset);
487 W.printNumber("Size", Section->sh_size);
488 W.printNumber("Link", Section->sh_link);
489 W.printNumber("Info", Section->sh_info);
490 W.printNumber("AddressAlignment", Section->sh_addralign);
491 W.printNumber("EntrySize", Section->sh_entsize);
493 if (opts::SectionRelocations) {
494 ListScope D(W, "Relocations");
495 for (relocation_iterator RelI = SecI->begin_relocations(),
496 RelE = SecI->end_relocations();
497 RelI != RelE; RelI.increment(EC)) {
498 if (error(EC)) break;
500 printRelocation(SecI, RelI);
504 if (opts::SectionSymbols) {
505 ListScope D(W, "Symbols");
506 for (symbol_iterator SymI = Obj->begin_symbols(),
507 SymE = Obj->end_symbols();
508 SymI != SymE; SymI.increment(EC)) {
509 if (error(EC)) break;
511 bool Contained = false;
512 if (SecI->containsSymbol(*SymI, Contained) || !Contained)
519 if (opts::SectionData) {
521 if (error(SecI->getContents(Data))) break;
523 W.printBinaryBlock("SectionData", Data);
529 void ELFDumper<ELFT>::printRelocations() {
530 ListScope D(W, "Relocations");
533 int SectionNumber = -1;
534 for (section_iterator SecI = Obj->begin_sections(),
535 SecE = Obj->end_sections();
536 SecI != SecE; SecI.increment(EC)) {
537 if (error(EC)) break;
541 if (error(SecI->getName(Name)))
544 bool PrintedGroup = false;
545 for (relocation_iterator RelI = SecI->begin_relocations(),
546 RelE = SecI->end_relocations();
547 RelI != RelE; RelI.increment(EC)) {
548 if (error(EC)) break;
551 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
556 printRelocation(SecI, RelI);
561 W.startLine() << "}\n";
567 void ELFDumper<ELFT>::printRelocation(section_iterator Sec,
568 relocation_iterator RelI) {
571 SmallString<32> RelocName;
573 StringRef SymbolName;
574 if (Obj->getElfHeader()->e_type == ELF::ET_REL){
575 if (error(RelI->getOffset(Offset))) return;
577 if (error(RelI->getAddress(Offset))) return;
579 if (error(RelI->getType(RelocType))) return;
580 if (error(RelI->getTypeName(RelocName))) return;
581 if (error(getELFRelocationAddend(*RelI, Addend))) return;
582 symbol_iterator Symbol = RelI->getSymbol();
583 if (Symbol != Obj->end_symbols() && error(Symbol->getName(SymbolName)))
586 if (opts::ExpandRelocs) {
587 DictScope Group(W, "Relocation");
588 W.printHex("Offset", Offset);
589 W.printNumber("Type", RelocName, RelocType);
590 W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
591 W.printHex("Addend", Addend);
593 raw_ostream& OS = W.startLine();
596 << " " << (SymbolName.size() > 0 ? SymbolName : "-")
597 << " " << W.hex(Addend)
603 void ELFDumper<ELFT>::printSymbols() {
604 ListScope Group(W, "Symbols");
607 for (symbol_iterator SymI = Obj->begin_symbols(), SymE = Obj->end_symbols();
608 SymI != SymE; SymI.increment(EC)) {
609 if (error(EC)) break;
616 void ELFDumper<ELFT>::printDynamicSymbols() {
617 ListScope Group(W, "DynamicSymbols");
620 for (symbol_iterator SymI = Obj->begin_dynamic_symbols(),
621 SymE = Obj->end_dynamic_symbols();
622 SymI != SymE; SymI.increment(EC)) {
623 if (error(EC)) break;
625 printSymbol(SymI, true);
630 void ELFDumper<ELFT>::printSymbol(symbol_iterator SymI, bool IsDynamic) {
633 const Elf_Sym *Symbol = Obj->getElfSymbol(SymI);
634 const Elf_Shdr *Section = Obj->getSection(Symbol);
636 StringRef SymbolName;
637 if (SymI->getName(SymbolName))
640 StringRef SectionName = "";
642 Obj->getSectionName(Section, SectionName);
644 std::string FullSymbolName(SymbolName);
648 if (error(Obj->getSymbolVersion(*SymI, Version, IsDefault)))
650 if (!Version.empty()) {
651 FullSymbolName += (IsDefault ? "@@" : "@");
652 FullSymbolName += Version;
656 DictScope D(W, "Symbol");
657 W.printNumber("Name", FullSymbolName, Symbol->st_name);
658 W.printHex ("Value", Symbol->st_value);
659 W.printNumber("Size", Symbol->st_size);
660 W.printEnum ("Binding", Symbol->getBinding(),
661 makeArrayRef(ElfSymbolBindings));
662 W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
663 W.printNumber("Other", Symbol->st_other);
664 W.printHex ("Section", SectionName, Symbol->st_shndx);
667 #define LLVM_READOBJ_TYPE_CASE(name) \
668 case DT_##name: return #name
670 static const char *getTypeString(uint64_t Type) {
672 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
673 LLVM_READOBJ_TYPE_CASE(DEBUG);
674 LLVM_READOBJ_TYPE_CASE(FINI);
675 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
676 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
677 LLVM_READOBJ_TYPE_CASE(FLAGS);
678 LLVM_READOBJ_TYPE_CASE(HASH);
679 LLVM_READOBJ_TYPE_CASE(INIT);
680 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
681 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
682 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
683 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
684 LLVM_READOBJ_TYPE_CASE(JMPREL);
685 LLVM_READOBJ_TYPE_CASE(NEEDED);
686 LLVM_READOBJ_TYPE_CASE(NULL);
687 LLVM_READOBJ_TYPE_CASE(PLTGOT);
688 LLVM_READOBJ_TYPE_CASE(PLTREL);
689 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
690 LLVM_READOBJ_TYPE_CASE(REL);
691 LLVM_READOBJ_TYPE_CASE(RELA);
692 LLVM_READOBJ_TYPE_CASE(RELENT);
693 LLVM_READOBJ_TYPE_CASE(RELSZ);
694 LLVM_READOBJ_TYPE_CASE(RELAENT);
695 LLVM_READOBJ_TYPE_CASE(RELASZ);
696 LLVM_READOBJ_TYPE_CASE(RPATH);
697 LLVM_READOBJ_TYPE_CASE(RUNPATH);
698 LLVM_READOBJ_TYPE_CASE(SONAME);
699 LLVM_READOBJ_TYPE_CASE(STRSZ);
700 LLVM_READOBJ_TYPE_CASE(STRTAB);
701 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
702 LLVM_READOBJ_TYPE_CASE(SYMENT);
703 LLVM_READOBJ_TYPE_CASE(SYMTAB);
704 LLVM_READOBJ_TYPE_CASE(TEXTREL);
705 default: return "unknown";
709 #undef LLVM_READOBJ_TYPE_CASE
712 static void printValue(const ELFObjectFile<ELFT> *O, uint64_t Type,
713 uint64_t Value, bool Is64, raw_ostream &OS) {
716 if (Value == DT_REL) {
719 } else if (Value == DT_RELA) {
735 case DT_PREINIT_ARRAY:
738 OS << format("0x%" PRIX64, Value);
747 case DT_INIT_ARRAYSZ:
748 case DT_FINI_ARRAYSZ:
749 case DT_PREINIT_ARRAYSZ:
750 OS << Value << " (bytes)";
753 OS << "SharedLibrary ("
754 << O->getString(O->getDynamicStringTableSectionHeader(), Value) << ")";
757 OS << "LibrarySoname ("
758 << O->getString(O->getDynamicStringTableSectionHeader(), Value) << ")";
764 void ELFDumper<ELFT>::printUnwindInfo() {
765 W.startLine() << "UnwindInfo not implemented.\n";
769 void ELFDumper<ELFT>::printDynamicTable() {
770 typedef typename ELFO::Elf_Dyn_iterator EDI;
771 EDI Start = Obj->begin_dynamic_table(),
772 End = Obj->end_dynamic_table(true);
777 ptrdiff_t Total = std::distance(Start, End);
778 raw_ostream &OS = W.getOStream();
779 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
781 bool Is64 = Obj->getBytesInAddress() == 8;
784 << " Tag" << (Is64 ? " " : " ") << "Type"
785 << " " << "Name/Value\n";
786 for (; Start != End; ++Start) {
789 << format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Start->getTag())
790 << " " << format("%-21s", getTypeString(Start->getTag()));
791 printValue(Obj, Start->getTag(), Start->getVal(), Is64, OS);
795 W.startLine() << "]\n";
798 static bool compareLibraryName(const LibraryRef &L, const LibraryRef &R) {
799 StringRef LPath, RPath;
802 return LPath < RPath;
806 void ELFDumper<ELFT>::printNeededLibraries() {
807 ListScope D(W, "NeededLibraries");
811 typedef std::vector<LibraryRef> LibsTy;
814 for (library_iterator I = Obj->begin_libraries_needed(),
815 E = Obj->end_libraries_needed();
816 I != E; I.increment(EC)) {
818 report_fatal_error("Needed libraries iteration failed");
823 std::sort(Libs.begin(), Libs.end(), &compareLibraryName);
825 for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end();
829 outs() << " " << Path << "\n";
834 void ELFDumper<ELFT>::printProgramHeaders() {
835 ListScope L(W, "ProgramHeaders");
837 for (typename ELFO::Elf_Phdr_Iter PI = Obj->begin_program_headers(),
838 PE = Obj->end_program_headers();
840 DictScope P(W, "ProgramHeader");
841 W.printEnum ("Type", PI->p_type, makeArrayRef(ElfSegmentTypes));
842 W.printHex ("Offset", PI->p_offset);
843 W.printHex ("VirtualAddress", PI->p_vaddr);
844 W.printHex ("PhysicalAddress", PI->p_paddr);
845 W.printNumber("FileSize", PI->p_filesz);
846 W.printNumber("MemSize", PI->p_memsz);
847 W.printFlags ("Flags", PI->p_flags, makeArrayRef(ElfSegmentFlags));
848 W.printNumber("Alignment", PI->p_align);