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Eric Christopher9cad53c2013-04-03 18:31:38 +00001//===-- ELFDumper.cpp - ELF-specific dumper ---------------------*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9///
10/// \file
11/// \brief This file implements the ELF-specific dumper for llvm-readobj.
12///
13//===----------------------------------------------------------------------===//
14
15#include "llvm-readobj.h"
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +000016#include "ARMAttributeParser.h"
Chandler Carruth07baed52014-01-13 08:04:33 +000017#include "ARMEHABIPrinter.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000018#include "Error.h"
19#include "ObjDumper.h"
20#include "StreamWriter.h"
Simon Atanasyan80433902014-06-18 08:47:09 +000021#include "llvm/ADT/Optional.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000022#include "llvm/ADT/SmallString.h"
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +000023#include "llvm/ADT/StringExtras.h"
Michael J. Spencer126973b2013-08-08 22:27:13 +000024#include "llvm/Object/ELFObjectFile.h"
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +000025#include "llvm/Support/ARMBuildAttributes.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000026#include "llvm/Support/Compiler.h"
27#include "llvm/Support/Format.h"
28#include "llvm/Support/MathExtras.h"
Simon Atanasyanc914de22015-05-07 15:40:35 +000029#include "llvm/Support/MipsABIFlags.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000030#include "llvm/Support/raw_ostream.h"
31
32using namespace llvm;
33using namespace llvm::object;
34using namespace ELF;
35
Eric Christopher9cad53c2013-04-03 18:31:38 +000036#define LLVM_READOBJ_ENUM_CASE(ns, enum) \
37 case ns::enum: return #enum;
38
39namespace {
40
41template<typename ELFT>
42class ELFDumper : public ObjDumper {
43public:
Michael J. Spencer126973b2013-08-08 22:27:13 +000044 ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer)
45 : ObjDumper(Writer), Obj(Obj) {}
Eric Christopher9cad53c2013-04-03 18:31:38 +000046
Craig Toppere56917c2014-03-08 08:27:28 +000047 void printFileHeaders() override;
48 void printSections() override;
49 void printRelocations() override;
50 void printSymbols() override;
51 void printDynamicSymbols() override;
52 void printUnwindInfo() override;
Eric Christopher9cad53c2013-04-03 18:31:38 +000053
Craig Toppere56917c2014-03-08 08:27:28 +000054 void printDynamicTable() override;
55 void printNeededLibraries() override;
56 void printProgramHeaders() override;
Eric Christopher9cad53c2013-04-03 18:31:38 +000057
Craig Toppere56917c2014-03-08 08:27:28 +000058 void printAttributes() override;
Simon Atanasyan80433902014-06-18 08:47:09 +000059 void printMipsPLTGOT() override;
Simon Atanasyanc914de22015-05-07 15:40:35 +000060 void printMipsABIFlags() override;
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +000061
Eric Christopher9cad53c2013-04-03 18:31:38 +000062private:
Michael J. Spencer126973b2013-08-08 22:27:13 +000063 typedef ELFFile<ELFT> ELFO;
Nico Rieckd6df0542013-04-12 04:07:39 +000064 typedef typename ELFO::Elf_Shdr Elf_Shdr;
65 typedef typename ELFO::Elf_Sym Elf_Sym;
Eric Christopher9cad53c2013-04-03 18:31:38 +000066
Michael J. Spencer126973b2013-08-08 22:27:13 +000067 void printSymbol(typename ELFO::Elf_Sym_Iter Symbol);
Eric Christopher9cad53c2013-04-03 18:31:38 +000068
Michael J. Spencer126973b2013-08-08 22:27:13 +000069 void printRelocations(const Elf_Shdr *Sec);
70 void printRelocation(const Elf_Shdr *Sec, typename ELFO::Elf_Rela Rel);
Eric Christopher9cad53c2013-04-03 18:31:38 +000071
Nico Rieckd6df0542013-04-12 04:07:39 +000072 const ELFO *Obj;
Eric Christopher9cad53c2013-04-03 18:31:38 +000073};
74
Michael J. Spencer126973b2013-08-08 22:27:13 +000075template <class T> T errorOrDefault(ErrorOr<T> Val, T Default = T()) {
76 if (!Val) {
Rafael Espindola1c704b42014-01-08 22:03:39 +000077 error(Val.getError());
Michael J. Spencer126973b2013-08-08 22:27:13 +000078 return Default;
79 }
Eric Christopher9cad53c2013-04-03 18:31:38 +000080
Michael J. Spencer126973b2013-08-08 22:27:13 +000081 return *Val;
82}
83} // namespace
Eric Christopher9cad53c2013-04-03 18:31:38 +000084
85namespace llvm {
86
Rafael Espindola2f44bf22013-05-09 13:13:28 +000087template <class ELFT>
Rafael Espindola4453e42942014-06-13 03:07:50 +000088static std::error_code createELFDumper(const ELFFile<ELFT> *Obj,
89 StreamWriter &Writer,
90 std::unique_ptr<ObjDumper> &Result) {
Rafael Espindola2f44bf22013-05-09 13:13:28 +000091 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
92 return readobj_error::success;
93}
94
Rafael Espindola4453e42942014-06-13 03:07:50 +000095std::error_code createELFDumper(const object::ObjectFile *Obj,
96 StreamWriter &Writer,
97 std::unique_ptr<ObjDumper> &Result) {
Eric Christopher9cad53c2013-04-03 18:31:38 +000098 // Little-endian 32-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +000099 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000100 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000101
102 // Big-endian 32-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000103 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000104 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000105
106 // Little-endian 64-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000107 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000108 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000109
110 // Big-endian 64-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000111 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000112 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000113
114 return readobj_error::unsupported_obj_file_format;
115}
116
117} // namespace llvm
118
Simon Atanasyan414736e2014-06-10 05:59:15 +0000119template <typename ELFO>
120static std::string getFullSymbolName(const ELFO &Obj,
121 typename ELFO::Elf_Sym_Iter Symbol) {
122 StringRef SymbolName = errorOrDefault(Obj.getSymbolName(Symbol));
123 if (!Symbol.isDynamic())
124 return SymbolName;
125
126 std::string FullSymbolName(SymbolName);
127
128 bool IsDefault;
129 ErrorOr<StringRef> Version =
130 Obj.getSymbolVersion(nullptr, &*Symbol, IsDefault);
131 if (Version) {
132 FullSymbolName += (IsDefault ? "@@" : "@");
133 FullSymbolName += *Version;
134 } else
135 error(Version.getError());
136 return FullSymbolName;
137}
138
139template <typename ELFO>
140static void
141getSectionNameIndex(const ELFO &Obj, typename ELFO::Elf_Sym_Iter Symbol,
142 StringRef &SectionName, unsigned &SectionIndex) {
143 SectionIndex = Symbol->st_shndx;
Davide Italiano056decb2015-06-08 04:55:29 +0000144 if (Symbol->isUndefined())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000145 SectionName = "Undefined";
Davide Italiano056decb2015-06-08 04:55:29 +0000146 else if (Symbol->isProcessorSpecific())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000147 SectionName = "Processor Specific";
Davide Italiano056decb2015-06-08 04:55:29 +0000148 else if (Symbol->isOSSpecific())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000149 SectionName = "Operating System Specific";
Davide Italiano056decb2015-06-08 04:55:29 +0000150 else if (Symbol->isReserved())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000151 SectionName = "Reserved";
Davide Italiano056decb2015-06-08 04:55:29 +0000152 else if (Symbol->isAbsolute())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000153 SectionName = "Absolute";
Davide Italiano056decb2015-06-08 04:55:29 +0000154 else if (Symbol->isCommon())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000155 SectionName = "Common";
Davide Italiano056decb2015-06-08 04:55:29 +0000156 else {
Simon Atanasyan414736e2014-06-10 05:59:15 +0000157 if (SectionIndex == SHN_XINDEX)
158 SectionIndex = Obj.getSymbolTableIndex(&*Symbol);
159 assert(SectionIndex != SHN_XINDEX &&
160 "getSymbolTableIndex should handle this");
161 const typename ELFO::Elf_Shdr *Sec = Obj.getSection(SectionIndex);
162 SectionName = errorOrDefault(Obj.getSectionName(Sec));
163 }
164}
165
Simon Atanasyan80433902014-06-18 08:47:09 +0000166template <class ELFT>
167static const typename ELFFile<ELFT>::Elf_Shdr *
168findSectionByAddress(const ELFFile<ELFT> *Obj, uint64_t Addr) {
169 for (const auto &Shdr : Obj->sections())
170 if (Shdr.sh_addr == Addr)
171 return &Shdr;
172 return nullptr;
173}
174
Simon Atanasyanc914de22015-05-07 15:40:35 +0000175template <class ELFT>
176static const typename ELFFile<ELFT>::Elf_Shdr *
177findSectionByName(const ELFFile<ELFT> &Obj, StringRef Name) {
178 for (const auto &Shdr : Obj.sections()) {
179 if (Name == errorOrDefault(Obj.getSectionName(&Shdr)))
180 return &Shdr;
181 }
182 return nullptr;
183}
184
Eric Christopher9cad53c2013-04-03 18:31:38 +0000185static const EnumEntry<unsigned> ElfClass[] = {
186 { "None", ELF::ELFCLASSNONE },
187 { "32-bit", ELF::ELFCLASS32 },
188 { "64-bit", ELF::ELFCLASS64 },
189};
190
191static const EnumEntry<unsigned> ElfDataEncoding[] = {
192 { "None", ELF::ELFDATANONE },
193 { "LittleEndian", ELF::ELFDATA2LSB },
194 { "BigEndian", ELF::ELFDATA2MSB },
195};
196
197static const EnumEntry<unsigned> ElfObjectFileType[] = {
198 { "None", ELF::ET_NONE },
199 { "Relocatable", ELF::ET_REL },
200 { "Executable", ELF::ET_EXEC },
201 { "SharedObject", ELF::ET_DYN },
202 { "Core", ELF::ET_CORE },
203};
204
205static const EnumEntry<unsigned> ElfOSABI[] = {
206 { "SystemV", ELF::ELFOSABI_NONE },
207 { "HPUX", ELF::ELFOSABI_HPUX },
208 { "NetBSD", ELF::ELFOSABI_NETBSD },
209 { "GNU/Linux", ELF::ELFOSABI_LINUX },
210 { "GNU/Hurd", ELF::ELFOSABI_HURD },
211 { "Solaris", ELF::ELFOSABI_SOLARIS },
212 { "AIX", ELF::ELFOSABI_AIX },
213 { "IRIX", ELF::ELFOSABI_IRIX },
214 { "FreeBSD", ELF::ELFOSABI_FREEBSD },
215 { "TRU64", ELF::ELFOSABI_TRU64 },
216 { "Modesto", ELF::ELFOSABI_MODESTO },
217 { "OpenBSD", ELF::ELFOSABI_OPENBSD },
218 { "OpenVMS", ELF::ELFOSABI_OPENVMS },
219 { "NSK", ELF::ELFOSABI_NSK },
220 { "AROS", ELF::ELFOSABI_AROS },
221 { "FenixOS", ELF::ELFOSABI_FENIXOS },
Ed Schoutendae71892015-03-09 18:40:45 +0000222 { "CloudABI", ELF::ELFOSABI_CLOUDABI },
Eric Christopher9cad53c2013-04-03 18:31:38 +0000223 { "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
224 { "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
225 { "ARM", ELF::ELFOSABI_ARM },
226 { "Standalone" , ELF::ELFOSABI_STANDALONE }
227};
228
229static const EnumEntry<unsigned> ElfMachineType[] = {
230 LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
231 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
232 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
233 LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
234 LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
235 LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
236 LLVM_READOBJ_ENUM_ENT(ELF, EM_486 ),
237 LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
238 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
239 LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
240 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
241 LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
242 LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
243 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
244 LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
245 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
246 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
247 LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
248 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
249 LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
250 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
251 LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
252 LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
253 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
254 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
255 LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
256 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
257 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
258 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
259 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
260 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
261 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
262 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
263 LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
264 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
265 LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
266 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
267 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
268 LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
269 LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
270 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
271 LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
272 LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
273 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
274 LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
275 LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
276 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
277 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
278 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
279 LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
280 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
281 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
282 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
283 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
284 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
285 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
286 LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
287 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
288 LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
289 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
290 LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
291 LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
292 LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
293 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
294 LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
295 LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
296 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
297 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
298 LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
299 LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
300 LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
301 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
302 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
303 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
304 LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
305 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
306 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
307 LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
308 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
309 LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
310 LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
311 LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
312 LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
313 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
314 LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
315 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
316 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
317 LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
318 LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
319 LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
320 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
321 LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
322 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
323 LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
324 LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
325 LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
326 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
327 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
328 LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
329 LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
330 LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
331 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
332 LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
333 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
334 LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
335 LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
336 LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
337 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
338 LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
339 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
340 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
341 LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
342 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
343 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
344 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
345 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
346 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
347 LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
348 LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
349 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
350 LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
351 LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
352 LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
353 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
354 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
355 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
356 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
357 LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
358 LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
359 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
360 LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
361 LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
362 LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
363 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
364 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
365 LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
366 LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
367 LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
368 LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
369 LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
370 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
371 LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
372 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
373 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000374 LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
375 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
376 LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
377 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
378 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
379 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
380 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
381 LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
382 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
383 LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
Rafael Espindola72986662013-07-25 18:55:05 +0000384 LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX )
Eric Christopher9cad53c2013-04-03 18:31:38 +0000385};
386
387static const EnumEntry<unsigned> ElfSymbolBindings[] = {
Rafael Espindola5fa925e2015-01-23 04:44:35 +0000388 { "Local", ELF::STB_LOCAL },
389 { "Global", ELF::STB_GLOBAL },
390 { "Weak", ELF::STB_WEAK },
391 { "Unique", ELF::STB_GNU_UNIQUE }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000392};
393
394static const EnumEntry<unsigned> ElfSymbolTypes[] = {
395 { "None", ELF::STT_NOTYPE },
396 { "Object", ELF::STT_OBJECT },
397 { "Function", ELF::STT_FUNC },
398 { "Section", ELF::STT_SECTION },
399 { "File", ELF::STT_FILE },
400 { "Common", ELF::STT_COMMON },
401 { "TLS", ELF::STT_TLS },
402 { "GNU_IFunc", ELF::STT_GNU_IFUNC }
403};
404
405static const char *getElfSectionType(unsigned Arch, unsigned Type) {
406 switch (Arch) {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000407 case ELF::EM_ARM:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000408 switch (Type) {
409 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
410 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
411 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
412 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
413 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
414 }
Michael J. Spencer126973b2013-08-08 22:27:13 +0000415 case ELF::EM_HEXAGON:
416 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
417 case ELF::EM_X86_64:
418 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
419 case ELF::EM_MIPS:
420 case ELF::EM_MIPS_RS3_LE:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000421 switch (Type) {
422 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
423 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
Simon Atanasyan1cd169f2014-07-13 15:28:54 +0000424 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_ABIFLAGS);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000425 }
426 }
427
428 switch (Type) {
429 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
430 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
431 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
432 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
433 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
434 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
435 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
436 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
437 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
438 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
439 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
440 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
441 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
442 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
443 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
444 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
445 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
446 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
447 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
448 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
449 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
450 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
451 default: return "";
452 }
453}
454
455static const EnumEntry<unsigned> ElfSectionFlags[] = {
456 LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
457 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
Benjamin Kramerac511ca2013-09-15 19:53:20 +0000458 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXCLUDE ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000459 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
460 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
461 LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
462 LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
463 LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
464 LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
465 LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
466 LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
467 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
468 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
469 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
470};
471
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000472static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
473 // Check potentially overlapped processor-specific
474 // program header type.
475 switch (Arch) {
476 case ELF::EM_ARM:
477 switch (Type) {
478 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
479 }
480 case ELF::EM_MIPS:
481 case ELF::EM_MIPS_RS3_LE:
482 switch (Type) {
483 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
484 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
485 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
Simon Atanasyaneeb2fa92015-05-15 15:59:22 +0000486 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000487 }
488 }
Nico Rieckd6df0542013-04-12 04:07:39 +0000489
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000490 switch (Type) {
491 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
492 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
493 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
494 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
495 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
496 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
497 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
498 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
Nico Rieckd6df0542013-04-12 04:07:39 +0000499
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000500 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
501 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
Nico Rieckd6df0542013-04-12 04:07:39 +0000502
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000503 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
504 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
505 default: return "";
506 }
507}
Nico Rieckd6df0542013-04-12 04:07:39 +0000508
509static const EnumEntry<unsigned> ElfSegmentFlags[] = {
510 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
511 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
512 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
513};
514
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000515static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
516 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NOREORDER),
517 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_PIC),
518 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
519 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
520 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000521 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_FP64),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000522 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
523 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000524 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O64),
525 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI32),
526 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI64),
Simon Atanasyan40e7eb12015-05-08 07:04:59 +0000527 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_3900),
528 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4010),
529 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4100),
530 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4650),
531 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4120),
532 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4111),
533 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_SB1),
534 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON),
535 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_XLR),
536 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON2),
537 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON3),
538 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5400),
539 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5900),
540 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5500),
541 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_9000),
542 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2E),
543 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2F),
544 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS3A),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000545 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
546 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000547 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_MDMX),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000548 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
549 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
550 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
551 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_4),
552 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_5),
553 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32),
554 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64),
555 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R2),
Simon Atanasyan9cb40902014-05-20 09:27:49 +0000556 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R2),
557 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R6),
558 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R6)
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000559};
560
Eric Christopher9cad53c2013-04-03 18:31:38 +0000561template<class ELFT>
562void ELFDumper<ELFT>::printFileHeaders() {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000563 const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000564
565 {
566 DictScope D(W, "ElfHeader");
567 {
568 DictScope D(W, "Ident");
569 W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
570 4));
571 W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
572 makeArrayRef(ElfClass));
573 W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
574 makeArrayRef(ElfDataEncoding));
575 W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
576 W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
577 makeArrayRef(ElfOSABI));
578 W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
579 W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
580 }
581
582 W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
583 W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
584 W.printNumber("Version", Header->e_version);
585 W.printHex ("Entry", Header->e_entry);
586 W.printHex ("ProgramHeaderOffset", Header->e_phoff);
587 W.printHex ("SectionHeaderOffset", Header->e_shoff);
Simon Atanasyan80070b52014-05-01 11:57:40 +0000588 if (Header->e_machine == EM_MIPS)
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000589 W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
Simon Atanasyan40e7eb12015-05-08 07:04:59 +0000590 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
591 unsigned(ELF::EF_MIPS_MACH));
Simon Atanasyan80070b52014-05-01 11:57:40 +0000592 else
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000593 W.printFlags("Flags", Header->e_flags);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000594 W.printNumber("HeaderSize", Header->e_ehsize);
595 W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
596 W.printNumber("ProgramHeaderCount", Header->e_phnum);
597 W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
598 W.printNumber("SectionHeaderCount", Header->e_shnum);
599 W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
600 }
601}
602
603template<class ELFT>
604void ELFDumper<ELFT>::printSections() {
605 ListScope SectionsD(W, "Sections");
606
607 int SectionIndex = -1;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000608 for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
609 SecE = Obj->end_sections();
610 SecI != SecE; ++SecI) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000611 ++SectionIndex;
612
Michael J. Spencer126973b2013-08-08 22:27:13 +0000613 const Elf_Shdr *Section = &*SecI;
614 StringRef Name = errorOrDefault(Obj->getSectionName(Section));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000615
616 DictScope SectionD(W, "Section");
617 W.printNumber("Index", SectionIndex);
618 W.printNumber("Name", Name, Section->sh_name);
Michael J. Spencer126973b2013-08-08 22:27:13 +0000619 W.printHex("Type",
620 getElfSectionType(Obj->getHeader()->e_machine, Section->sh_type),
621 Section->sh_type);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000622 W.printFlags ("Flags", Section->sh_flags, makeArrayRef(ElfSectionFlags));
623 W.printHex ("Address", Section->sh_addr);
624 W.printHex ("Offset", Section->sh_offset);
625 W.printNumber("Size", Section->sh_size);
626 W.printNumber("Link", Section->sh_link);
627 W.printNumber("Info", Section->sh_info);
628 W.printNumber("AddressAlignment", Section->sh_addralign);
629 W.printNumber("EntrySize", Section->sh_entsize);
630
631 if (opts::SectionRelocations) {
632 ListScope D(W, "Relocations");
Michael J. Spencer126973b2013-08-08 22:27:13 +0000633 printRelocations(Section);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000634 }
635
636 if (opts::SectionSymbols) {
637 ListScope D(W, "Symbols");
Michael J. Spencer126973b2013-08-08 22:27:13 +0000638 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
639 SymE = Obj->end_symbols();
640 SymI != SymE; ++SymI) {
641 if (Obj->getSection(&*SymI) == Section)
642 printSymbol(SymI);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000643 }
644 }
645
David Majnemerdac39852014-09-26 22:32:16 +0000646 if (opts::SectionData && Section->sh_type != ELF::SHT_NOBITS) {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000647 ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(Section));
648 W.printBinaryBlock("SectionData",
649 StringRef((const char *)Data.data(), Data.size()));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000650 }
651 }
652}
653
654template<class ELFT>
655void ELFDumper<ELFT>::printRelocations() {
656 ListScope D(W, "Relocations");
657
Eric Christopher9cad53c2013-04-03 18:31:38 +0000658 int SectionNumber = -1;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000659 for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
660 SecE = Obj->end_sections();
661 SecI != SecE; ++SecI) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000662 ++SectionNumber;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000663
664 if (SecI->sh_type != ELF::SHT_REL && SecI->sh_type != ELF::SHT_RELA)
Eric Christopher9cad53c2013-04-03 18:31:38 +0000665 continue;
666
Michael J. Spencer126973b2013-08-08 22:27:13 +0000667 StringRef Name = errorOrDefault(Obj->getSectionName(&*SecI));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000668
Michael J. Spencer126973b2013-08-08 22:27:13 +0000669 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
670 W.indent();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000671
Michael J. Spencer126973b2013-08-08 22:27:13 +0000672 printRelocations(&*SecI);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000673
Michael J. Spencer126973b2013-08-08 22:27:13 +0000674 W.unindent();
675 W.startLine() << "}\n";
Eric Christopher9cad53c2013-04-03 18:31:38 +0000676 }
677}
678
Michael J. Spencer126973b2013-08-08 22:27:13 +0000679template <class ELFT>
680void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
681 switch (Sec->sh_type) {
682 case ELF::SHT_REL:
683 for (typename ELFO::Elf_Rel_Iter RI = Obj->begin_rel(Sec),
684 RE = Obj->end_rel(Sec);
685 RI != RE; ++RI) {
686 typename ELFO::Elf_Rela Rela;
687 Rela.r_offset = RI->r_offset;
688 Rela.r_info = RI->r_info;
689 Rela.r_addend = 0;
690 printRelocation(Sec, Rela);
691 }
692 break;
693 case ELF::SHT_RELA:
694 for (typename ELFO::Elf_Rela_Iter RI = Obj->begin_rela(Sec),
695 RE = Obj->end_rela(Sec);
696 RI != RE; ++RI) {
697 printRelocation(Sec, *RI);
698 }
699 break;
Rafael Espindola1e483872013-04-25 12:28:45 +0000700 }
Michael J. Spencer126973b2013-08-08 22:27:13 +0000701}
702
703template <class ELFT>
704void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
705 typename ELFO::Elf_Rela Rel) {
706 SmallString<32> RelocName;
707 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
Rafael Espindola75d5b542015-06-03 05:14:22 +0000708 StringRef TargetName;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000709 std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
710 Obj->getRelocationSymbol(Sec, &Rel);
Rafael Espindola75d5b542015-06-03 05:14:22 +0000711 if (Sym.second && Sym.second->getType() == ELF::STT_SECTION) {
712 const Elf_Shdr *Sec = Obj->getSection(Sym.second);
713 ErrorOr<StringRef> SecName = Obj->getSectionName(Sec);
714 if (SecName)
715 TargetName = SecName.get();
716 } else if (Sym.first) {
717 TargetName = errorOrDefault(Obj->getSymbolName(Sym.first, Sym.second));
718 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000719
Nico Rieckf3f0b792013-04-12 04:01:52 +0000720 if (opts::ExpandRelocs) {
721 DictScope Group(W, "Relocation");
Michael J. Spencer126973b2013-08-08 22:27:13 +0000722 W.printHex("Offset", Rel.r_offset);
723 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
Rafael Espindola75d5b542015-06-03 05:14:22 +0000724 W.printNumber("Symbol", TargetName.size() > 0 ? TargetName : "-",
Rafael Espindola0eb2cec2014-10-17 01:34:23 +0000725 Rel.getSymbol(Obj->isMips64EL()));
Michael J. Spencer126973b2013-08-08 22:27:13 +0000726 W.printHex("Addend", Rel.r_addend);
Nico Rieckf3f0b792013-04-12 04:01:52 +0000727 } else {
728 raw_ostream& OS = W.startLine();
Rafael Espindola75d5b542015-06-03 05:14:22 +0000729 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
730 << (TargetName.size() > 0 ? TargetName : "-") << " "
731 << W.hex(Rel.r_addend) << "\n";
Nico Rieckf3f0b792013-04-12 04:01:52 +0000732 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000733}
734
735template<class ELFT>
736void ELFDumper<ELFT>::printSymbols() {
737 ListScope Group(W, "Symbols");
Michael J. Spencer126973b2013-08-08 22:27:13 +0000738 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
739 SymE = Obj->end_symbols();
740 SymI != SymE; ++SymI) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000741 printSymbol(SymI);
742 }
743}
744
745template<class ELFT>
746void ELFDumper<ELFT>::printDynamicSymbols() {
747 ListScope Group(W, "DynamicSymbols");
748
Michael J. Spencer126973b2013-08-08 22:27:13 +0000749 for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_dynamic_symbols(),
750 SymE = Obj->end_dynamic_symbols();
751 SymI != SymE; ++SymI) {
752 printSymbol(SymI);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000753 }
754}
755
Michael J. Spencer126973b2013-08-08 22:27:13 +0000756template <class ELFT>
757void ELFDumper<ELFT>::printSymbol(typename ELFO::Elf_Sym_Iter Symbol) {
Simon Atanasyan414736e2014-06-10 05:59:15 +0000758 unsigned SectionIndex = 0;
Rafael Espindolacfee7ef2014-03-24 05:00:34 +0000759 StringRef SectionName;
Simon Atanasyan414736e2014-06-10 05:59:15 +0000760 getSectionNameIndex(*Obj, Symbol, SectionName, SectionIndex);
761 std::string FullSymbolName = getFullSymbolName(*Obj, Symbol);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000762
763 DictScope D(W, "Symbol");
764 W.printNumber("Name", FullSymbolName, Symbol->st_name);
765 W.printHex ("Value", Symbol->st_value);
766 W.printNumber("Size", Symbol->st_size);
767 W.printEnum ("Binding", Symbol->getBinding(),
768 makeArrayRef(ElfSymbolBindings));
769 W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
770 W.printNumber("Other", Symbol->st_other);
Rafael Espindola10be0832014-03-25 23:44:25 +0000771 W.printHex("Section", SectionName, SectionIndex);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000772}
773
774#define LLVM_READOBJ_TYPE_CASE(name) \
775 case DT_##name: return #name
776
777static const char *getTypeString(uint64_t Type) {
778 switch (Type) {
779 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
780 LLVM_READOBJ_TYPE_CASE(DEBUG);
781 LLVM_READOBJ_TYPE_CASE(FINI);
782 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
783 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
784 LLVM_READOBJ_TYPE_CASE(FLAGS);
Davide Italianof071bd02015-05-25 19:12:18 +0000785 LLVM_READOBJ_TYPE_CASE(FLAGS_1);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000786 LLVM_READOBJ_TYPE_CASE(HASH);
787 LLVM_READOBJ_TYPE_CASE(INIT);
788 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
789 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
790 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
791 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
792 LLVM_READOBJ_TYPE_CASE(JMPREL);
793 LLVM_READOBJ_TYPE_CASE(NEEDED);
794 LLVM_READOBJ_TYPE_CASE(NULL);
795 LLVM_READOBJ_TYPE_CASE(PLTGOT);
796 LLVM_READOBJ_TYPE_CASE(PLTREL);
797 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
798 LLVM_READOBJ_TYPE_CASE(REL);
799 LLVM_READOBJ_TYPE_CASE(RELA);
800 LLVM_READOBJ_TYPE_CASE(RELENT);
801 LLVM_READOBJ_TYPE_CASE(RELSZ);
802 LLVM_READOBJ_TYPE_CASE(RELAENT);
803 LLVM_READOBJ_TYPE_CASE(RELASZ);
804 LLVM_READOBJ_TYPE_CASE(RPATH);
805 LLVM_READOBJ_TYPE_CASE(RUNPATH);
806 LLVM_READOBJ_TYPE_CASE(SONAME);
807 LLVM_READOBJ_TYPE_CASE(STRSZ);
808 LLVM_READOBJ_TYPE_CASE(STRTAB);
809 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
810 LLVM_READOBJ_TYPE_CASE(SYMENT);
811 LLVM_READOBJ_TYPE_CASE(SYMTAB);
812 LLVM_READOBJ_TYPE_CASE(TEXTREL);
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000813 LLVM_READOBJ_TYPE_CASE(VERNEED);
814 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
815 LLVM_READOBJ_TYPE_CASE(VERSYM);
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000816 LLVM_READOBJ_TYPE_CASE(RELCOUNT);
817 LLVM_READOBJ_TYPE_CASE(GNU_HASH);
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000818 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
819 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
820 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
821 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
822 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
823 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
824 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
Simon Atanasyan728d2162014-01-05 13:40:27 +0000825 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
826 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
Simon Atanasyan2da3eb12015-04-20 05:34:48 +0000827 LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000828 default: return "unknown";
829 }
830}
831
832#undef LLVM_READOBJ_TYPE_CASE
833
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000834#define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
835 { #enum, prefix##_##enum }
836
837static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
838 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
839 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
840 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
841 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
842 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
843};
844
Davide Italianof071bd02015-05-25 19:12:18 +0000845static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
846 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
847 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
848 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
849 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
850 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
851 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
852 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
853 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
854 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
855 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
856 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
857 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
858 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
859 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
860 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
861 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
862 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
863 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
864 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
865 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
866 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
867 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
868 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
869 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
870 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
871};
872
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000873static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
874 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
875 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
876 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
877 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
878 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
879 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
880 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
881 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
882 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
883 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
884 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
885 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
886 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
887 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
888 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
889 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
890};
891
892#undef LLVM_READOBJ_DT_FLAG_ENT
893
894template <typename T, typename TFlag>
895void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
896 typedef EnumEntry<TFlag> FlagEntry;
897 typedef SmallVector<FlagEntry, 10> FlagVector;
898 FlagVector SetFlags;
899
900 for (const auto &Flag : Flags) {
901 if (Flag.Value == 0)
902 continue;
903
904 if ((Value & Flag.Value) == Flag.Value)
905 SetFlags.push_back(Flag);
906 }
907
908 for (const auto &Flag : SetFlags) {
909 OS << Flag.Name << " ";
910 }
911}
912
Michael J. Spencer126973b2013-08-08 22:27:13 +0000913template <class ELFT>
914static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
915 bool Is64, raw_ostream &OS) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000916 switch (Type) {
917 case DT_PLTREL:
918 if (Value == DT_REL) {
919 OS << "REL";
920 break;
921 } else if (Value == DT_RELA) {
922 OS << "RELA";
923 break;
924 }
925 // Fallthrough.
926 case DT_PLTGOT:
927 case DT_HASH:
928 case DT_STRTAB:
929 case DT_SYMTAB:
930 case DT_RELA:
931 case DT_INIT:
932 case DT_FINI:
933 case DT_REL:
934 case DT_JMPREL:
935 case DT_INIT_ARRAY:
936 case DT_FINI_ARRAY:
937 case DT_PREINIT_ARRAY:
938 case DT_DEBUG:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000939 case DT_VERNEED:
940 case DT_VERSYM:
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000941 case DT_GNU_HASH:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000942 case DT_NULL:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000943 case DT_MIPS_BASE_ADDRESS:
944 case DT_MIPS_GOTSYM:
Simon Atanasyan728d2162014-01-05 13:40:27 +0000945 case DT_MIPS_RLD_MAP:
946 case DT_MIPS_PLTGOT:
Simon Atanasyan2da3eb12015-04-20 05:34:48 +0000947 case DT_MIPS_OPTIONS:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000948 OS << format("0x%" PRIX64, Value);
949 break;
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000950 case DT_RELCOUNT:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000951 case DT_VERNEEDNUM:
952 case DT_MIPS_RLD_VERSION:
953 case DT_MIPS_LOCAL_GOTNO:
954 case DT_MIPS_SYMTABNO:
955 case DT_MIPS_UNREFEXTNO:
956 OS << Value;
957 break;
Eric Christopher9cad53c2013-04-03 18:31:38 +0000958 case DT_PLTRELSZ:
959 case DT_RELASZ:
960 case DT_RELAENT:
961 case DT_STRSZ:
962 case DT_SYMENT:
963 case DT_RELSZ:
964 case DT_RELENT:
965 case DT_INIT_ARRAYSZ:
966 case DT_FINI_ARRAYSZ:
967 case DT_PREINIT_ARRAYSZ:
968 OS << Value << " (bytes)";
969 break;
970 case DT_NEEDED:
Michael J. Spencer126973b2013-08-08 22:27:13 +0000971 OS << "SharedLibrary (" << O->getDynamicString(Value) << ")";
Eric Christopher9cad53c2013-04-03 18:31:38 +0000972 break;
973 case DT_SONAME:
Michael J. Spencer126973b2013-08-08 22:27:13 +0000974 OS << "LibrarySoname (" << O->getDynamicString(Value) << ")";
Eric Christopher9cad53c2013-04-03 18:31:38 +0000975 break;
Joerg Sonnenbergerce91d012013-09-03 17:13:53 +0000976 case DT_RPATH:
977 case DT_RUNPATH:
978 OS << O->getDynamicString(Value);
979 break;
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000980 case DT_MIPS_FLAGS:
981 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
982 break;
983 case DT_FLAGS:
984 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
985 break;
Davide Italianof071bd02015-05-25 19:12:18 +0000986 case DT_FLAGS_1:
987 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
988 break;
Eric Christopher9cad53c2013-04-03 18:31:38 +0000989 }
990}
991
992template<class ELFT>
993void ELFDumper<ELFT>::printUnwindInfo() {
994 W.startLine() << "UnwindInfo not implemented.\n";
995}
996
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +0000997namespace {
Rafael Espindolaac729b42015-06-02 12:05:27 +0000998template <> void ELFDumper<ELFType<support::little, false>>::printUnwindInfo() {
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +0000999 const unsigned Machine = Obj->getHeader()->e_machine;
1000 if (Machine == EM_ARM) {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001001 ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(W, Obj);
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001002 return Ctx.PrintUnwindInformation();
1003 }
1004 W.startLine() << "UnwindInfo not implemented.\n";
1005}
1006}
1007
Eric Christopher9cad53c2013-04-03 18:31:38 +00001008template<class ELFT>
1009void ELFDumper<ELFT>::printDynamicTable() {
Simon Atanasyan28a11602014-06-04 05:51:44 +00001010 auto DynTable = Obj->dynamic_table(true);
Eric Christopher9cad53c2013-04-03 18:31:38 +00001011
Simon Atanasyan28a11602014-06-04 05:51:44 +00001012 ptrdiff_t Total = std::distance(DynTable.begin(), DynTable.end());
1013 if (Total == 0)
Eric Christopher9cad53c2013-04-03 18:31:38 +00001014 return;
1015
Eric Christopher9cad53c2013-04-03 18:31:38 +00001016 raw_ostream &OS = W.getOStream();
1017 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1018
Michael J. Spencer126973b2013-08-08 22:27:13 +00001019 bool Is64 = ELFT::Is64Bits;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001020
1021 W.startLine()
1022 << " Tag" << (Is64 ? " " : " ") << "Type"
1023 << " " << "Name/Value\n";
Simon Atanasyan28a11602014-06-04 05:51:44 +00001024 for (const auto &Entry : DynTable) {
Eric Christopher9cad53c2013-04-03 18:31:38 +00001025 W.startLine()
1026 << " "
Simon Atanasyan28a11602014-06-04 05:51:44 +00001027 << format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Entry.getTag())
1028 << " " << format("%-21s", getTypeString(Entry.getTag()));
1029 printValue(Obj, Entry.getTag(), Entry.getVal(), Is64, OS);
Eric Christopher9cad53c2013-04-03 18:31:38 +00001030 OS << "\n";
1031 }
1032
1033 W.startLine() << "]\n";
1034}
1035
Eric Christopher9cad53c2013-04-03 18:31:38 +00001036template<class ELFT>
1037void ELFDumper<ELFT>::printNeededLibraries() {
1038 ListScope D(W, "NeededLibraries");
1039
Michael J. Spencer126973b2013-08-08 22:27:13 +00001040 typedef std::vector<StringRef> LibsTy;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001041 LibsTy Libs;
1042
Simon Atanasyan28a11602014-06-04 05:51:44 +00001043 for (const auto &Entry : Obj->dynamic_table())
1044 if (Entry.d_tag == ELF::DT_NEEDED)
1045 Libs.push_back(Obj->getDynamicString(Entry.d_un.d_val));
Eric Christopher9cad53c2013-04-03 18:31:38 +00001046
Michael J. Spencer126973b2013-08-08 22:27:13 +00001047 std::stable_sort(Libs.begin(), Libs.end());
Eric Christopher9cad53c2013-04-03 18:31:38 +00001048
Michael J. Spencer126973b2013-08-08 22:27:13 +00001049 for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end(); I != E; ++I) {
1050 outs() << " " << *I << "\n";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001051 }
1052}
Nico Rieckd6df0542013-04-12 04:07:39 +00001053
1054template<class ELFT>
1055void ELFDumper<ELFT>::printProgramHeaders() {
1056 ListScope L(W, "ProgramHeaders");
1057
1058 for (typename ELFO::Elf_Phdr_Iter PI = Obj->begin_program_headers(),
1059 PE = Obj->end_program_headers();
1060 PI != PE; ++PI) {
1061 DictScope P(W, "ProgramHeader");
Simon Atanasyan39ff5f62013-10-07 08:58:27 +00001062 W.printHex ("Type",
1063 getElfSegmentType(Obj->getHeader()->e_machine, PI->p_type),
1064 PI->p_type);
Nico Rieckd6df0542013-04-12 04:07:39 +00001065 W.printHex ("Offset", PI->p_offset);
1066 W.printHex ("VirtualAddress", PI->p_vaddr);
1067 W.printHex ("PhysicalAddress", PI->p_paddr);
1068 W.printNumber("FileSize", PI->p_filesz);
1069 W.printNumber("MemSize", PI->p_memsz);
1070 W.printFlags ("Flags", PI->p_flags, makeArrayRef(ElfSegmentFlags));
1071 W.printNumber("Alignment", PI->p_align);
1072 }
1073}
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001074
1075template <class ELFT>
1076void ELFDumper<ELFT>::printAttributes() {
1077 W.startLine() << "Attributes not implemented.\n";
1078}
1079
1080namespace {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001081template <> void ELFDumper<ELFType<support::little, false>>::printAttributes() {
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001082 if (Obj->getHeader()->e_machine != EM_ARM) {
1083 W.startLine() << "Attributes not implemented.\n";
1084 return;
1085 }
1086
1087 DictScope BA(W, "BuildAttributes");
Saleem Abdulrasool036bc252014-01-30 06:19:24 +00001088 for (ELFO::Elf_Shdr_Iter SI = Obj->begin_sections(), SE = Obj->end_sections();
1089 SI != SE; ++SI) {
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001090 if (SI->sh_type != ELF::SHT_ARM_ATTRIBUTES)
1091 continue;
1092
1093 ErrorOr<ArrayRef<uint8_t> > Contents = Obj->getSectionContents(&(*SI));
1094 if (!Contents)
1095 continue;
1096
1097 if ((*Contents)[0] != ARMBuildAttrs::Format_Version) {
1098 errs() << "unrecognised FormatVersion: 0x" << utohexstr((*Contents)[0])
1099 << '\n';
1100 continue;
1101 }
1102
1103 W.printHex("FormatVersion", (*Contents)[0]);
1104 if (Contents->size() == 1)
1105 continue;
1106
1107 ARMAttributeParser(W).Parse(*Contents);
1108 }
1109}
1110}
1111
Simon Atanasyan80433902014-06-18 08:47:09 +00001112namespace {
1113template <class ELFT> class MipsGOTParser {
1114public:
1115 typedef object::ELFFile<ELFT> ObjectFile;
1116 typedef typename ObjectFile::Elf_Shdr Elf_Shdr;
1117
1118 MipsGOTParser(const ObjectFile *Obj, StreamWriter &W) : Obj(Obj), W(W) {}
1119
Simon Atanasyanc217c402014-06-18 09:24:01 +00001120 void parseGOT(const Elf_Shdr &GOTShdr);
Simon Atanasyan80433902014-06-18 08:47:09 +00001121
1122private:
1123 typedef typename ObjectFile::Elf_Sym_Iter Elf_Sym_Iter;
1124 typedef typename ObjectFile::Elf_Addr GOTEntry;
1125 typedef typename ObjectFile::template ELFEntityIterator<const GOTEntry>
1126 GOTIter;
1127
1128 const ObjectFile *Obj;
1129 StreamWriter &W;
1130
Simon Atanasyanc217c402014-06-18 09:24:01 +00001131 std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
1132 GOTIter makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001133
1134 bool getGOTTags(uint64_t &LocalGotNum, uint64_t &GotSym);
1135 void printGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It);
1136 void printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It,
1137 Elf_Sym_Iter Sym);
1138};
1139}
1140
1141template <class ELFT>
Simon Atanasyanc217c402014-06-18 09:24:01 +00001142void MipsGOTParser<ELFT>::parseGOT(const Elf_Shdr &GOTShdr) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001143 // See "Global Offset Table" in Chapter 5 in the following document
1144 // for detailed GOT description.
1145 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
1146
1147 ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(&GOTShdr);
1148 if (!GOT) {
1149 W.startLine() << "The .got section is empty.\n";
1150 return;
1151 }
1152
1153 uint64_t DtLocalGotNum;
1154 uint64_t DtGotSym;
1155 if (!getGOTTags(DtLocalGotNum, DtGotSym))
1156 return;
1157
Simon Atanasyanc217c402014-06-18 09:24:01 +00001158 if (DtLocalGotNum > getGOTTotal(*GOT)) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001159 W.startLine() << "MIPS_LOCAL_GOTNO exceeds a number of GOT entries.\n";
1160 return;
1161 }
1162
1163 Elf_Sym_Iter DynSymBegin = Obj->begin_dynamic_symbols();
1164 Elf_Sym_Iter DynSymEnd = Obj->end_dynamic_symbols();
1165 std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
1166
Simon Atanasyan5a63aa32014-07-05 19:28:49 +00001167 if (DtGotSym > DynSymTotal) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001168 W.startLine() << "MIPS_GOTSYM exceeds a number of dynamic symbols.\n";
1169 return;
1170 }
1171
1172 std::size_t GlobalGotNum = DynSymTotal - DtGotSym;
1173
Simon Atanasyanc217c402014-06-18 09:24:01 +00001174 if (DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT)) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001175 W.startLine() << "Number of global GOT entries exceeds the size of GOT.\n";
1176 return;
1177 }
1178
Simon Atanasyanc217c402014-06-18 09:24:01 +00001179 GOTIter GotBegin = makeGOTIter(*GOT, 0);
1180 GOTIter GotLocalEnd = makeGOTIter(*GOT, DtLocalGotNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001181 GOTIter It = GotBegin;
1182
1183 DictScope GS(W, "Primary GOT");
1184
1185 W.printHex("Canonical gp value", GOTShdr.sh_addr + 0x7ff0);
1186 {
1187 ListScope RS(W, "Reserved entries");
1188
1189 {
1190 DictScope D(W, "Entry");
1191 printGotEntry(GOTShdr.sh_addr, GotBegin, It++);
1192 W.printString("Purpose", StringRef("Lazy resolver"));
1193 }
1194
1195 if (It != GotLocalEnd && (*It >> (sizeof(GOTEntry) * 8 - 1)) != 0) {
1196 DictScope D(W, "Entry");
1197 printGotEntry(GOTShdr.sh_addr, GotBegin, It++);
1198 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
1199 }
1200 }
1201 {
1202 ListScope LS(W, "Local entries");
1203 for (; It != GotLocalEnd; ++It) {
1204 DictScope D(W, "Entry");
1205 printGotEntry(GOTShdr.sh_addr, GotBegin, It);
1206 }
1207 }
1208 {
1209 ListScope GS(W, "Global entries");
1210
Simon Atanasyanc217c402014-06-18 09:24:01 +00001211 GOTIter GotGlobalEnd = makeGOTIter(*GOT, DtLocalGotNum + GlobalGotNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001212 Elf_Sym_Iter GotDynSym = DynSymBegin + DtGotSym;
1213 for (; It != GotGlobalEnd; ++It) {
1214 DictScope D(W, "Entry");
1215 printGlobalGotEntry(GOTShdr.sh_addr, GotBegin, It, GotDynSym++);
1216 }
1217 }
1218
Simon Atanasyanc217c402014-06-18 09:24:01 +00001219 std::size_t SpecGotNum = getGOTTotal(*GOT) - DtLocalGotNum - GlobalGotNum;
Simon Atanasyana4ba8ec2014-06-18 09:23:55 +00001220 W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
Simon Atanasyan80433902014-06-18 08:47:09 +00001221}
1222
1223template <class ELFT>
Simon Atanasyanc217c402014-06-18 09:24:01 +00001224std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
Simon Atanasyan80433902014-06-18 08:47:09 +00001225 return GOT.size() / sizeof(GOTEntry);
1226}
1227
1228template <class ELFT>
1229typename MipsGOTParser<ELFT>::GOTIter
Simon Atanasyanc217c402014-06-18 09:24:01 +00001230MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001231 const char *Data = reinterpret_cast<const char *>(GOT.data());
1232 return GOTIter(sizeof(GOTEntry), Data + EntryNum * sizeof(GOTEntry));
1233}
1234
1235template <class ELFT>
1236bool MipsGOTParser<ELFT>::getGOTTags(uint64_t &LocalGotNum, uint64_t &GotSym) {
1237 bool FoundLocalGotNum = false;
1238 bool FoundGotSym = false;
1239 for (const auto &Entry : Obj->dynamic_table()) {
1240 switch (Entry.getTag()) {
1241 case ELF::DT_MIPS_LOCAL_GOTNO:
1242 LocalGotNum = Entry.getVal();
1243 FoundLocalGotNum = true;
1244 break;
1245 case ELF::DT_MIPS_GOTSYM:
1246 GotSym = Entry.getVal();
1247 FoundGotSym = true;
1248 break;
1249 }
1250 }
1251
1252 if (!FoundLocalGotNum) {
1253 W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
1254 return false;
1255 }
1256
1257 if (!FoundGotSym) {
1258 W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
1259 return false;
1260 }
1261
1262 return true;
1263}
1264
1265template <class ELFT>
1266void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr, GOTIter BeginIt,
1267 GOTIter It) {
1268 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1269 W.printHex("Address", GotAddr + Offset);
1270 W.printNumber("Access", Offset - 0x7ff0);
1271 W.printHex("Initial", *It);
1272}
1273
1274template <class ELFT>
1275void MipsGOTParser<ELFT>::printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt,
1276 GOTIter It, Elf_Sym_Iter Sym) {
1277 printGotEntry(GotAddr, BeginIt, It);
1278
1279 W.printHex("Value", Sym->st_value);
1280 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1281
1282 unsigned SectionIndex = 0;
1283 StringRef SectionName;
1284 getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
1285 W.printHex("Section", SectionName, SectionIndex);
1286
1287 std::string FullSymbolName = getFullSymbolName(*Obj, Sym);
1288 W.printNumber("Name", FullSymbolName, Sym->st_name);
1289}
1290
1291template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
1292 if (Obj->getHeader()->e_machine != EM_MIPS) {
1293 W.startLine() << "MIPS PLT GOT is available for MIPS targets only.\n";
1294 return;
1295 }
1296
1297 llvm::Optional<uint64_t> DtPltGot;
1298 for (const auto &Entry : Obj->dynamic_table()) {
1299 if (Entry.getTag() == ELF::DT_PLTGOT) {
1300 DtPltGot = Entry.getVal();
1301 break;
1302 }
1303 }
1304
1305 if (!DtPltGot) {
1306 W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
1307 return;
1308 }
1309
1310 const Elf_Shdr *GotShdr = findSectionByAddress(Obj, *DtPltGot);
1311 if (!GotShdr) {
1312 W.startLine() << "There is no .got section in the file.\n";
1313 return;
1314 }
1315
Simon Atanasyanc217c402014-06-18 09:24:01 +00001316 MipsGOTParser<ELFT>(Obj, W).parseGOT(*GotShdr);
Simon Atanasyan80433902014-06-18 08:47:09 +00001317}
Simon Atanasyanc914de22015-05-07 15:40:35 +00001318
1319static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
1320 {"None", Mips::AFL_EXT_NONE},
1321 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
1322 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
1323 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
1324 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
1325 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
1326 {"LSI R4010", Mips::AFL_EXT_4010},
1327 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
1328 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
1329 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
1330 {"MIPS R4650", Mips::AFL_EXT_4650},
1331 {"MIPS R5900", Mips::AFL_EXT_5900},
1332 {"MIPS R10000", Mips::AFL_EXT_10000},
1333 {"NEC VR4100", Mips::AFL_EXT_4100},
1334 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
1335 {"NEC VR4120", Mips::AFL_EXT_4120},
1336 {"NEC VR5400", Mips::AFL_EXT_5400},
1337 {"NEC VR5500", Mips::AFL_EXT_5500},
1338 {"RMI Xlr", Mips::AFL_EXT_XLR},
1339 {"Toshiba R3900", Mips::AFL_EXT_3900}
1340};
1341
1342static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
1343 {"DSP", Mips::AFL_ASE_DSP},
1344 {"DSPR2", Mips::AFL_ASE_DSPR2},
1345 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
1346 {"MCU", Mips::AFL_ASE_MCU},
1347 {"MDMX", Mips::AFL_ASE_MDMX},
1348 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
1349 {"MT", Mips::AFL_ASE_MT},
1350 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
1351 {"VZ", Mips::AFL_ASE_VIRT},
1352 {"MSA", Mips::AFL_ASE_MSA},
1353 {"MIPS16", Mips::AFL_ASE_MIPS16},
1354 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
1355 {"XPA", Mips::AFL_ASE_XPA}
1356};
1357
1358static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
1359 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
1360 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
1361 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
1362 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
1363 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
1364 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
1365 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
1366 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
1367 {"Hard float compat (32-bit CPU, 64-bit FPU)",
1368 Mips::Val_GNU_MIPS_ABI_FP_64A}
1369};
1370
1371static const EnumEntry<unsigned> ElfMipsFlags1[] {
1372 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
1373};
1374
1375static int getMipsRegisterSize(uint8_t Flag) {
1376 switch (Flag) {
1377 case Mips::AFL_REG_NONE:
1378 return 0;
1379 case Mips::AFL_REG_32:
1380 return 32;
1381 case Mips::AFL_REG_64:
1382 return 64;
1383 case Mips::AFL_REG_128:
1384 return 128;
1385 default:
1386 return -1;
1387 }
1388}
1389
1390template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
1391 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
1392 if (!Shdr) {
1393 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
1394 return;
1395 }
1396 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1397 if (!Sec) {
1398 W.startLine() << "The .MIPS.abiflags section is empty.\n";
1399 return;
1400 }
1401 if (Sec->size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
1402 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
1403 return;
1404 }
1405
1406 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec->data());
1407
1408 raw_ostream &OS = W.getOStream();
1409 DictScope GS(W, "MIPS ABI Flags");
1410
1411 W.printNumber("Version", Flags->version);
1412 W.startLine() << "ISA: ";
1413 if (Flags->isa_rev <= 1)
1414 OS << format("MIPS%u", Flags->isa_level);
1415 else
1416 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
1417 OS << "\n";
1418 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
1419 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
1420 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
1421 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
1422 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
1423 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
1424 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
1425 W.printHex("Flags 2", Flags->flags2);
1426}