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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"
Lang Hames0000afd2015-06-26 23:56:53 +000020#include "StackMapPrinter.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000021#include "StreamWriter.h"
Simon Atanasyan80433902014-06-18 08:47:09 +000022#include "llvm/ADT/Optional.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000023#include "llvm/ADT/SmallString.h"
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +000024#include "llvm/ADT/StringExtras.h"
Michael J. Spencer126973b2013-08-08 22:27:13 +000025#include "llvm/Object/ELFObjectFile.h"
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +000026#include "llvm/Support/ARMBuildAttributes.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000027#include "llvm/Support/Compiler.h"
28#include "llvm/Support/Format.h"
29#include "llvm/Support/MathExtras.h"
Simon Atanasyanc914de22015-05-07 15:40:35 +000030#include "llvm/Support/MipsABIFlags.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000031#include "llvm/Support/raw_ostream.h"
32
33using namespace llvm;
34using namespace llvm::object;
35using namespace ELF;
36
Eric Christopher9cad53c2013-04-03 18:31:38 +000037#define LLVM_READOBJ_ENUM_CASE(ns, enum) \
38 case ns::enum: return #enum;
39
40namespace {
41
42template<typename ELFT>
43class ELFDumper : public ObjDumper {
44public:
Michael J. Spencer126973b2013-08-08 22:27:13 +000045 ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer)
46 : ObjDumper(Writer), Obj(Obj) {}
Eric Christopher9cad53c2013-04-03 18:31:38 +000047
Craig Toppere56917c2014-03-08 08:27:28 +000048 void printFileHeaders() override;
49 void printSections() override;
50 void printRelocations() override;
Michael J. Spencer594c0282015-06-25 21:47:32 +000051 void printDynamicRelocations() override;
Craig Toppere56917c2014-03-08 08:27:28 +000052 void printSymbols() override;
53 void printDynamicSymbols() override;
54 void printUnwindInfo() override;
Eric Christopher9cad53c2013-04-03 18:31:38 +000055
Craig Toppere56917c2014-03-08 08:27:28 +000056 void printDynamicTable() override;
57 void printNeededLibraries() override;
58 void printProgramHeaders() override;
Michael J. Spencer20546ff2015-07-09 22:32:24 +000059 void printHashTable() override;
Rafael Espindola33e746f22015-07-21 13:48:41 +000060 void printLoadName() override;
Eric Christopher9cad53c2013-04-03 18:31:38 +000061
Craig Toppere56917c2014-03-08 08:27:28 +000062 void printAttributes() override;
Simon Atanasyan80433902014-06-18 08:47:09 +000063 void printMipsPLTGOT() override;
Simon Atanasyanc914de22015-05-07 15:40:35 +000064 void printMipsABIFlags() override;
Simon Atanasyan6e07e932015-06-16 21:47:43 +000065 void printMipsReginfo() override;
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +000066
Lang Hames0000afd2015-06-26 23:56:53 +000067 void printStackMap() const override;
68
Eric Christopher9cad53c2013-04-03 18:31:38 +000069private:
Michael J. Spencer126973b2013-08-08 22:27:13 +000070 typedef ELFFile<ELFT> ELFO;
Nico Rieckd6df0542013-04-12 04:07:39 +000071 typedef typename ELFO::Elf_Shdr Elf_Shdr;
72 typedef typename ELFO::Elf_Sym Elf_Sym;
Eric Christopher9cad53c2013-04-03 18:31:38 +000073
Rafael Espindola8d6b63c2015-07-21 16:02:10 +000074 void printSymbol(const Elf_Sym *Symbol, StringRef StrTable, bool IsDynamic);
Eric Christopher9cad53c2013-04-03 18:31:38 +000075
Michael J. Spencer126973b2013-08-08 22:27:13 +000076 void printRelocations(const Elf_Shdr *Sec);
77 void printRelocation(const Elf_Shdr *Sec, typename ELFO::Elf_Rela Rel);
Eric Christopher9cad53c2013-04-03 18:31:38 +000078
Nico Rieckd6df0542013-04-12 04:07:39 +000079 const ELFO *Obj;
Eric Christopher9cad53c2013-04-03 18:31:38 +000080};
81
Michael J. Spencer126973b2013-08-08 22:27:13 +000082template <class T> T errorOrDefault(ErrorOr<T> Val, T Default = T()) {
83 if (!Val) {
Rafael Espindola1c704b42014-01-08 22:03:39 +000084 error(Val.getError());
Michael J. Spencer126973b2013-08-08 22:27:13 +000085 return Default;
86 }
Eric Christopher9cad53c2013-04-03 18:31:38 +000087
Michael J. Spencer126973b2013-08-08 22:27:13 +000088 return *Val;
89}
90} // namespace
Eric Christopher9cad53c2013-04-03 18:31:38 +000091
92namespace llvm {
93
Rafael Espindola2f44bf22013-05-09 13:13:28 +000094template <class ELFT>
Rafael Espindola4453e42942014-06-13 03:07:50 +000095static std::error_code createELFDumper(const ELFFile<ELFT> *Obj,
96 StreamWriter &Writer,
97 std::unique_ptr<ObjDumper> &Result) {
Rafael Espindola2f44bf22013-05-09 13:13:28 +000098 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
99 return readobj_error::success;
100}
101
Rafael Espindola4453e42942014-06-13 03:07:50 +0000102std::error_code createELFDumper(const object::ObjectFile *Obj,
103 StreamWriter &Writer,
104 std::unique_ptr<ObjDumper> &Result) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000105 // Little-endian 32-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000106 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000107 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000108
109 // Big-endian 32-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000110 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000111 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000112
113 // Little-endian 64-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000114 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000115 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000116
117 // Big-endian 64-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000118 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000119 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000120
121 return readobj_error::unsupported_obj_file_format;
122}
123
124} // namespace llvm
125
Simon Atanasyan414736e2014-06-10 05:59:15 +0000126template <typename ELFO>
127static std::string getFullSymbolName(const ELFO &Obj,
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000128 const typename ELFO::Elf_Sym *Symbol,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000129 StringRef StrTable, bool IsDynamic) {
130 StringRef SymbolName = errorOrDefault(Symbol->getName(StrTable));
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000131 if (!IsDynamic)
Simon Atanasyan414736e2014-06-10 05:59:15 +0000132 return SymbolName;
133
134 std::string FullSymbolName(SymbolName);
135
136 bool IsDefault;
137 ErrorOr<StringRef> Version =
138 Obj.getSymbolVersion(nullptr, &*Symbol, IsDefault);
139 if (Version) {
140 FullSymbolName += (IsDefault ? "@@" : "@");
141 FullSymbolName += *Version;
142 } else
143 error(Version.getError());
144 return FullSymbolName;
145}
146
147template <typename ELFO>
148static void
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000149getSectionNameIndex(const ELFO &Obj, const typename ELFO::Elf_Sym *Symbol,
Simon Atanasyan414736e2014-06-10 05:59:15 +0000150 StringRef &SectionName, unsigned &SectionIndex) {
151 SectionIndex = Symbol->st_shndx;
Davide Italiano056decb2015-06-08 04:55:29 +0000152 if (Symbol->isUndefined())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000153 SectionName = "Undefined";
Davide Italiano056decb2015-06-08 04:55:29 +0000154 else if (Symbol->isProcessorSpecific())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000155 SectionName = "Processor Specific";
Davide Italiano056decb2015-06-08 04:55:29 +0000156 else if (Symbol->isOSSpecific())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000157 SectionName = "Operating System Specific";
Davide Italiano056decb2015-06-08 04:55:29 +0000158 else if (Symbol->isAbsolute())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000159 SectionName = "Absolute";
Davide Italiano056decb2015-06-08 04:55:29 +0000160 else if (Symbol->isCommon())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000161 SectionName = "Common";
Rafael Espindolac74ac022015-06-12 17:23:39 +0000162 else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
163 SectionName = "Reserved";
Davide Italiano056decb2015-06-08 04:55:29 +0000164 else {
Simon Atanasyan414736e2014-06-10 05:59:15 +0000165 if (SectionIndex == SHN_XINDEX)
Rafael Espindolad68fb742015-06-24 14:48:54 +0000166 SectionIndex = Obj.getExtendedSymbolTableIndex(&*Symbol);
Rafael Espindola6def3042015-07-01 12:56:27 +0000167 ErrorOr<const typename ELFO::Elf_Shdr *> Sec = Obj.getSection(SectionIndex);
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000168 error(Sec.getError());
169 SectionName = errorOrDefault(Obj.getSectionName(*Sec));
Simon Atanasyan414736e2014-06-10 05:59:15 +0000170 }
171}
172
Simon Atanasyan80433902014-06-18 08:47:09 +0000173template <class ELFT>
174static const typename ELFFile<ELFT>::Elf_Shdr *
175findSectionByAddress(const ELFFile<ELFT> *Obj, uint64_t Addr) {
176 for (const auto &Shdr : Obj->sections())
177 if (Shdr.sh_addr == Addr)
178 return &Shdr;
179 return nullptr;
180}
181
Simon Atanasyanc914de22015-05-07 15:40:35 +0000182template <class ELFT>
183static const typename ELFFile<ELFT>::Elf_Shdr *
184findSectionByName(const ELFFile<ELFT> &Obj, StringRef Name) {
185 for (const auto &Shdr : Obj.sections()) {
186 if (Name == errorOrDefault(Obj.getSectionName(&Shdr)))
187 return &Shdr;
188 }
189 return nullptr;
190}
191
Eric Christopher9cad53c2013-04-03 18:31:38 +0000192static const EnumEntry<unsigned> ElfClass[] = {
193 { "None", ELF::ELFCLASSNONE },
194 { "32-bit", ELF::ELFCLASS32 },
195 { "64-bit", ELF::ELFCLASS64 },
196};
197
198static const EnumEntry<unsigned> ElfDataEncoding[] = {
199 { "None", ELF::ELFDATANONE },
200 { "LittleEndian", ELF::ELFDATA2LSB },
201 { "BigEndian", ELF::ELFDATA2MSB },
202};
203
204static const EnumEntry<unsigned> ElfObjectFileType[] = {
205 { "None", ELF::ET_NONE },
206 { "Relocatable", ELF::ET_REL },
207 { "Executable", ELF::ET_EXEC },
208 { "SharedObject", ELF::ET_DYN },
209 { "Core", ELF::ET_CORE },
210};
211
212static const EnumEntry<unsigned> ElfOSABI[] = {
213 { "SystemV", ELF::ELFOSABI_NONE },
214 { "HPUX", ELF::ELFOSABI_HPUX },
215 { "NetBSD", ELF::ELFOSABI_NETBSD },
216 { "GNU/Linux", ELF::ELFOSABI_LINUX },
217 { "GNU/Hurd", ELF::ELFOSABI_HURD },
218 { "Solaris", ELF::ELFOSABI_SOLARIS },
219 { "AIX", ELF::ELFOSABI_AIX },
220 { "IRIX", ELF::ELFOSABI_IRIX },
221 { "FreeBSD", ELF::ELFOSABI_FREEBSD },
222 { "TRU64", ELF::ELFOSABI_TRU64 },
223 { "Modesto", ELF::ELFOSABI_MODESTO },
224 { "OpenBSD", ELF::ELFOSABI_OPENBSD },
225 { "OpenVMS", ELF::ELFOSABI_OPENVMS },
226 { "NSK", ELF::ELFOSABI_NSK },
227 { "AROS", ELF::ELFOSABI_AROS },
228 { "FenixOS", ELF::ELFOSABI_FENIXOS },
Ed Schoutendae71892015-03-09 18:40:45 +0000229 { "CloudABI", ELF::ELFOSABI_CLOUDABI },
Eric Christopher9cad53c2013-04-03 18:31:38 +0000230 { "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
231 { "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
232 { "ARM", ELF::ELFOSABI_ARM },
233 { "Standalone" , ELF::ELFOSABI_STANDALONE }
234};
235
236static const EnumEntry<unsigned> ElfMachineType[] = {
237 LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
238 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
239 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
240 LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
241 LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
242 LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
Rafael Espindola9fed2502015-06-19 14:34:12 +0000243 LLVM_READOBJ_ENUM_ENT(ELF, EM_IAMCU ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000244 LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
245 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
246 LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
247 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
248 LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
249 LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
250 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
251 LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
252 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
253 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
254 LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
255 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
256 LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
257 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
258 LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
259 LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
260 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
261 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
262 LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
263 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
264 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
265 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
266 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
267 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
268 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
269 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
270 LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
271 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
272 LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
273 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
274 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
275 LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
276 LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
277 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
278 LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
279 LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
280 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
281 LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
282 LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
283 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
284 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
285 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
286 LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
287 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
288 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
289 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
290 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
291 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
292 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
293 LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
294 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
295 LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
296 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
297 LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
298 LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
299 LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
300 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
301 LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
302 LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
303 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
304 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
305 LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
306 LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
307 LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
308 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
309 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
310 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
311 LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
312 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
313 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
314 LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
315 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
316 LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
317 LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
318 LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
319 LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
320 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
321 LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
322 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
323 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
324 LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
325 LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
326 LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
327 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
328 LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
329 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
330 LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
331 LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
332 LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
333 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
334 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
335 LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
336 LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
337 LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
338 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
339 LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
340 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
341 LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
342 LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
343 LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
344 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
345 LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
346 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
347 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
348 LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
349 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
350 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
351 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
352 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
353 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
354 LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
355 LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
356 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
357 LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
358 LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
359 LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
360 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
361 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
362 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
363 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
364 LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
365 LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
366 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
367 LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
368 LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
369 LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
370 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
371 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
372 LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
373 LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
374 LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
375 LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
376 LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
377 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
378 LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
379 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
380 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000381 LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
382 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
383 LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
384 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
385 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
386 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
387 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
388 LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
389 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
390 LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
Tom Stellard24288b82015-06-22 21:03:47 +0000391 LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX ),
392 LLVM_READOBJ_ENUM_ENT(ELF, EM_AMDGPU )
Eric Christopher9cad53c2013-04-03 18:31:38 +0000393};
394
395static const EnumEntry<unsigned> ElfSymbolBindings[] = {
Rafael Espindola5fa925e2015-01-23 04:44:35 +0000396 { "Local", ELF::STB_LOCAL },
397 { "Global", ELF::STB_GLOBAL },
398 { "Weak", ELF::STB_WEAK },
399 { "Unique", ELF::STB_GNU_UNIQUE }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000400};
401
402static const EnumEntry<unsigned> ElfSymbolTypes[] = {
403 { "None", ELF::STT_NOTYPE },
404 { "Object", ELF::STT_OBJECT },
405 { "Function", ELF::STT_FUNC },
406 { "Section", ELF::STT_SECTION },
407 { "File", ELF::STT_FILE },
408 { "Common", ELF::STT_COMMON },
409 { "TLS", ELF::STT_TLS },
410 { "GNU_IFunc", ELF::STT_GNU_IFUNC }
411};
412
413static const char *getElfSectionType(unsigned Arch, unsigned Type) {
414 switch (Arch) {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000415 case ELF::EM_ARM:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000416 switch (Type) {
417 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
418 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
419 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
420 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
421 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
422 }
Michael J. Spencer126973b2013-08-08 22:27:13 +0000423 case ELF::EM_HEXAGON:
424 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
425 case ELF::EM_X86_64:
426 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
427 case ELF::EM_MIPS:
428 case ELF::EM_MIPS_RS3_LE:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000429 switch (Type) {
430 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
431 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
Simon Atanasyan1cd169f2014-07-13 15:28:54 +0000432 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_ABIFLAGS);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000433 }
434 }
435
436 switch (Type) {
437 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
438 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
439 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
440 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
441 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
442 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
443 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
444 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
445 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
446 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
447 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
448 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
449 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
450 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
451 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
452 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
453 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
454 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
455 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
456 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
457 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
458 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
459 default: return "";
460 }
461}
462
463static const EnumEntry<unsigned> ElfSectionFlags[] = {
464 LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
465 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
Benjamin Kramerac511ca2013-09-15 19:53:20 +0000466 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXCLUDE ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000467 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
468 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
469 LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
470 LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
471 LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
472 LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
473 LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
474 LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
475 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
476 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
477 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
478};
479
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000480static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
481 // Check potentially overlapped processor-specific
482 // program header type.
483 switch (Arch) {
484 case ELF::EM_ARM:
485 switch (Type) {
486 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
487 }
488 case ELF::EM_MIPS:
489 case ELF::EM_MIPS_RS3_LE:
490 switch (Type) {
491 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
492 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
493 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
Simon Atanasyaneeb2fa92015-05-15 15:59:22 +0000494 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000495 }
496 }
Nico Rieckd6df0542013-04-12 04:07:39 +0000497
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000498 switch (Type) {
499 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
500 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
501 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
502 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
503 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
504 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
505 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
506 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
Nico Rieckd6df0542013-04-12 04:07:39 +0000507
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000508 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
509 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
Nico Rieckd6df0542013-04-12 04:07:39 +0000510
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000511 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
512 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
513 default: return "";
514 }
515}
Nico Rieckd6df0542013-04-12 04:07:39 +0000516
517static const EnumEntry<unsigned> ElfSegmentFlags[] = {
518 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
519 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
520 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
521};
522
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000523static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
524 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NOREORDER),
525 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_PIC),
526 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
527 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
528 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000529 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_FP64),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000530 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
531 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000532 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O64),
533 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI32),
534 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI64),
Simon Atanasyan40e7eb12015-05-08 07:04:59 +0000535 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_3900),
536 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4010),
537 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4100),
538 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4650),
539 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4120),
540 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4111),
541 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_SB1),
542 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON),
543 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_XLR),
544 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON2),
545 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON3),
546 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5400),
547 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5900),
548 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5500),
549 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_9000),
550 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2E),
551 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2F),
552 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS3A),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000553 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
554 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000555 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_MDMX),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000556 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
557 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
558 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
559 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_4),
560 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_5),
561 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32),
562 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64),
563 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R2),
Simon Atanasyan9cb40902014-05-20 09:27:49 +0000564 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R2),
565 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R6),
566 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R6)
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000567};
568
Eric Christopher9cad53c2013-04-03 18:31:38 +0000569template<class ELFT>
570void ELFDumper<ELFT>::printFileHeaders() {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000571 const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000572
573 {
574 DictScope D(W, "ElfHeader");
575 {
576 DictScope D(W, "Ident");
577 W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
578 4));
579 W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
580 makeArrayRef(ElfClass));
581 W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
582 makeArrayRef(ElfDataEncoding));
583 W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
Tom Stellard91efe9c2015-06-26 21:15:11 +0000584
585 // Handle architecture specific OS/ABI values.
586 if (Header->e_machine == ELF::EM_AMDGPU &&
587 Header->e_ident[ELF::EI_OSABI] == ELF::ELFOSABI_AMDGPU_HSA)
588 W.printHex("OS/ABI", "AMDGPU_HSA", ELF::ELFOSABI_AMDGPU_HSA);
589 else
590 W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
Eric Christopher9cad53c2013-04-03 18:31:38 +0000591 makeArrayRef(ElfOSABI));
592 W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
593 W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
594 }
595
596 W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
597 W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
598 W.printNumber("Version", Header->e_version);
599 W.printHex ("Entry", Header->e_entry);
600 W.printHex ("ProgramHeaderOffset", Header->e_phoff);
601 W.printHex ("SectionHeaderOffset", Header->e_shoff);
Simon Atanasyan80070b52014-05-01 11:57:40 +0000602 if (Header->e_machine == EM_MIPS)
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000603 W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
Simon Atanasyan40e7eb12015-05-08 07:04:59 +0000604 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
605 unsigned(ELF::EF_MIPS_MACH));
Simon Atanasyan80070b52014-05-01 11:57:40 +0000606 else
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000607 W.printFlags("Flags", Header->e_flags);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000608 W.printNumber("HeaderSize", Header->e_ehsize);
609 W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
610 W.printNumber("ProgramHeaderCount", Header->e_phnum);
611 W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
612 W.printNumber("SectionHeaderCount", Header->e_shnum);
613 W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
614 }
615}
616
617template<class ELFT>
618void ELFDumper<ELFT>::printSections() {
619 ListScope SectionsD(W, "Sections");
620
621 int SectionIndex = -1;
Rafael Espindola13e08772015-06-30 19:24:51 +0000622 for (const typename ELFO::Elf_Shdr &Sec : Obj->sections()) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000623 ++SectionIndex;
624
Rafael Espindola13e08772015-06-30 19:24:51 +0000625 StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000626
627 DictScope SectionD(W, "Section");
628 W.printNumber("Index", SectionIndex);
Rafael Espindola13e08772015-06-30 19:24:51 +0000629 W.printNumber("Name", Name, Sec.sh_name);
Michael J. Spencer126973b2013-08-08 22:27:13 +0000630 W.printHex("Type",
Rafael Espindola13e08772015-06-30 19:24:51 +0000631 getElfSectionType(Obj->getHeader()->e_machine, Sec.sh_type),
632 Sec.sh_type);
633 W.printFlags("Flags", Sec.sh_flags, makeArrayRef(ElfSectionFlags));
634 W.printHex("Address", Sec.sh_addr);
635 W.printHex("Offset", Sec.sh_offset);
636 W.printNumber("Size", Sec.sh_size);
637 W.printNumber("Link", Sec.sh_link);
638 W.printNumber("Info", Sec.sh_info);
639 W.printNumber("AddressAlignment", Sec.sh_addralign);
640 W.printNumber("EntrySize", Sec.sh_entsize);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000641
642 if (opts::SectionRelocations) {
643 ListScope D(W, "Relocations");
Rafael Espindola13e08772015-06-30 19:24:51 +0000644 printRelocations(&Sec);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000645 }
646
647 if (opts::SectionSymbols) {
648 ListScope D(W, "Symbols");
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000649 const Elf_Shdr *Symtab = Obj->getDotSymtabSec();
650 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
651 error(StrTableOrErr.getError());
652 StringRef StrTable = *StrTableOrErr;
653
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000654 for (const typename ELFO::Elf_Sym &Sym : Obj->symbols()) {
Rafael Espindola6def3042015-07-01 12:56:27 +0000655 ErrorOr<const Elf_Shdr *> SymSec = Obj->getSection(&Sym);
656 if (!SymSec)
657 continue;
658 if (*SymSec == &Sec)
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000659 printSymbol(&Sym, StrTable, false);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000660 }
661 }
662
Rafael Espindola13e08772015-06-30 19:24:51 +0000663 if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
664 ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(&Sec));
Michael J. Spencer126973b2013-08-08 22:27:13 +0000665 W.printBinaryBlock("SectionData",
666 StringRef((const char *)Data.data(), Data.size()));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000667 }
668 }
669}
670
671template<class ELFT>
672void ELFDumper<ELFT>::printRelocations() {
673 ListScope D(W, "Relocations");
674
Eric Christopher9cad53c2013-04-03 18:31:38 +0000675 int SectionNumber = -1;
Rafael Espindola13e08772015-06-30 19:24:51 +0000676 for (const typename ELFO::Elf_Shdr &Sec : Obj->sections()) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000677 ++SectionNumber;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000678
Rafael Espindola13e08772015-06-30 19:24:51 +0000679 if (Sec.sh_type != ELF::SHT_REL && Sec.sh_type != ELF::SHT_RELA)
Eric Christopher9cad53c2013-04-03 18:31:38 +0000680 continue;
681
Rafael Espindola13e08772015-06-30 19:24:51 +0000682 StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000683
Michael J. Spencer126973b2013-08-08 22:27:13 +0000684 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
685 W.indent();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000686
Rafael Espindola13e08772015-06-30 19:24:51 +0000687 printRelocations(&Sec);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000688
Michael J. Spencer126973b2013-08-08 22:27:13 +0000689 W.unindent();
690 W.startLine() << "}\n";
Eric Christopher9cad53c2013-04-03 18:31:38 +0000691 }
692}
693
Michael J. Spencer594c0282015-06-25 21:47:32 +0000694template<class ELFT>
695void ELFDumper<ELFT>::printDynamicRelocations() {
696 W.startLine() << "Dynamic Relocations {\n";
697 W.indent();
Rafael Espindola33f25092015-07-20 20:07:50 +0000698 for (const typename ELFO::Elf_Rela &Rel : Obj->dyn_relas()) {
Michael J. Spencer594c0282015-06-25 21:47:32 +0000699 SmallString<32> RelocName;
Rafael Espindola33f25092015-07-20 20:07:50 +0000700 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
Michael J. Spencer594c0282015-06-25 21:47:32 +0000701 StringRef SymbolName;
Rafael Espindola33f25092015-07-20 20:07:50 +0000702 uint32_t SymIndex = Rel.getSymbol(Obj->isMips64EL());
Rafael Espindola2b5f8412015-06-30 15:33:44 +0000703 const typename ELFO::Elf_Sym *Sym = Obj->dynamic_symbol_begin() + SymIndex;
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000704 SymbolName = errorOrDefault(Obj->getSymbolName(Sym, true));
Michael J. Spencer594c0282015-06-25 21:47:32 +0000705 if (opts::ExpandRelocs) {
706 DictScope Group(W, "Relocation");
Rafael Espindola33f25092015-07-20 20:07:50 +0000707 W.printHex("Offset", Rel.r_offset);
708 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
Michael J. Spencer594c0282015-06-25 21:47:32 +0000709 W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
Rafael Espindola33f25092015-07-20 20:07:50 +0000710 W.printHex("Addend", Rel.r_addend);
Michael J. Spencer594c0282015-06-25 21:47:32 +0000711 }
712 else {
713 raw_ostream& OS = W.startLine();
Rafael Espindola33f25092015-07-20 20:07:50 +0000714 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
715 << (SymbolName.size() > 0 ? SymbolName : "-") << " "
716 << W.hex(Rel.r_addend) << "\n";
Michael J. Spencer594c0282015-06-25 21:47:32 +0000717 }
718 }
719 W.unindent();
720 W.startLine() << "}\n";
721}
722
Michael J. Spencer126973b2013-08-08 22:27:13 +0000723template <class ELFT>
724void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
725 switch (Sec->sh_type) {
726 case ELF::SHT_REL:
Rafael Espindola33f25092015-07-20 20:07:50 +0000727 for (const typename ELFO::Elf_Rel &R : Obj->rels(Sec)) {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000728 typename ELFO::Elf_Rela Rela;
Rafael Espindola33f25092015-07-20 20:07:50 +0000729 Rela.r_offset = R.r_offset;
730 Rela.r_info = R.r_info;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000731 Rela.r_addend = 0;
732 printRelocation(Sec, Rela);
733 }
734 break;
735 case ELF::SHT_RELA:
Rafael Espindola33f25092015-07-20 20:07:50 +0000736 for (const typename ELFO::Elf_Rela &R : Obj->relas(Sec))
737 printRelocation(Sec, R);
Michael J. Spencer126973b2013-08-08 22:27:13 +0000738 break;
Rafael Espindola1e483872013-04-25 12:28:45 +0000739 }
Michael J. Spencer126973b2013-08-08 22:27:13 +0000740}
741
742template <class ELFT>
743void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
744 typename ELFO::Elf_Rela Rel) {
745 SmallString<32> RelocName;
746 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
Rafael Espindola75d5b542015-06-03 05:14:22 +0000747 StringRef TargetName;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000748 std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
749 Obj->getRelocationSymbol(Sec, &Rel);
Rafael Espindola75d5b542015-06-03 05:14:22 +0000750 if (Sym.second && Sym.second->getType() == ELF::STT_SECTION) {
Rafael Espindola6def3042015-07-01 12:56:27 +0000751 ErrorOr<const Elf_Shdr *> Sec = Obj->getSection(Sym.second);
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000752 error(Sec.getError());
753 ErrorOr<StringRef> SecName = Obj->getSectionName(*Sec);
754 if (SecName)
755 TargetName = SecName.get();
Rafael Espindola75d5b542015-06-03 05:14:22 +0000756 } else if (Sym.first) {
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000757 const Elf_Shdr *SymTable = Sym.first;
Rafael Espindola6def3042015-07-01 12:56:27 +0000758 ErrorOr<const Elf_Shdr *> StrTableSec = Obj->getSection(SymTable->sh_link);
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000759 error(StrTableSec.getError());
760 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTable(*StrTableSec);
761 error(StrTableOrErr.getError());
762 TargetName = errorOrDefault(Sym.second->getName(*StrTableOrErr));
Rafael Espindola75d5b542015-06-03 05:14:22 +0000763 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000764
Nico Rieckf3f0b792013-04-12 04:01:52 +0000765 if (opts::ExpandRelocs) {
766 DictScope Group(W, "Relocation");
Michael J. Spencer126973b2013-08-08 22:27:13 +0000767 W.printHex("Offset", Rel.r_offset);
768 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
Rafael Espindola75d5b542015-06-03 05:14:22 +0000769 W.printNumber("Symbol", TargetName.size() > 0 ? TargetName : "-",
Rafael Espindola0eb2cec2014-10-17 01:34:23 +0000770 Rel.getSymbol(Obj->isMips64EL()));
Michael J. Spencer126973b2013-08-08 22:27:13 +0000771 W.printHex("Addend", Rel.r_addend);
Nico Rieckf3f0b792013-04-12 04:01:52 +0000772 } else {
773 raw_ostream& OS = W.startLine();
Rafael Espindola75d5b542015-06-03 05:14:22 +0000774 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
775 << (TargetName.size() > 0 ? TargetName : "-") << " "
776 << W.hex(Rel.r_addend) << "\n";
Nico Rieckf3f0b792013-04-12 04:01:52 +0000777 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000778}
779
780template<class ELFT>
781void ELFDumper<ELFT>::printSymbols() {
782 ListScope Group(W, "Symbols");
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000783
784 const Elf_Shdr *Symtab = Obj->getDotSymtabSec();
785 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
786 error(StrTableOrErr.getError());
787 StringRef StrTable = *StrTableOrErr;
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000788 for (const typename ELFO::Elf_Sym &Sym : Obj->symbols())
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000789 printSymbol(&Sym, StrTable, false);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000790}
791
792template<class ELFT>
793void ELFDumper<ELFT>::printDynamicSymbols() {
794 ListScope Group(W, "DynamicSymbols");
795
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000796 const Elf_Shdr *Symtab = Obj->getDotDynSymSec();
797 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
798 error(StrTableOrErr.getError());
799 StringRef StrTable = *StrTableOrErr;
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000800 for (const typename ELFO::Elf_Sym &Sym : Obj->dynamic_symbols())
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000801 printSymbol(&Sym, StrTable, true);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000802}
803
Michael J. Spencer126973b2013-08-08 22:27:13 +0000804template <class ELFT>
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000805void ELFDumper<ELFT>::printSymbol(const typename ELFO::Elf_Sym *Symbol,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000806 StringRef StrTable, bool IsDynamic) {
Simon Atanasyan414736e2014-06-10 05:59:15 +0000807 unsigned SectionIndex = 0;
Rafael Espindolacfee7ef2014-03-24 05:00:34 +0000808 StringRef SectionName;
Simon Atanasyan414736e2014-06-10 05:59:15 +0000809 getSectionNameIndex(*Obj, Symbol, SectionName, SectionIndex);
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000810 std::string FullSymbolName =
811 getFullSymbolName(*Obj, Symbol, StrTable, IsDynamic);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000812
813 DictScope D(W, "Symbol");
814 W.printNumber("Name", FullSymbolName, Symbol->st_name);
815 W.printHex ("Value", Symbol->st_value);
816 W.printNumber("Size", Symbol->st_size);
817 W.printEnum ("Binding", Symbol->getBinding(),
818 makeArrayRef(ElfSymbolBindings));
819 W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
820 W.printNumber("Other", Symbol->st_other);
Rafael Espindola10be0832014-03-25 23:44:25 +0000821 W.printHex("Section", SectionName, SectionIndex);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000822}
823
824#define LLVM_READOBJ_TYPE_CASE(name) \
825 case DT_##name: return #name
826
827static const char *getTypeString(uint64_t Type) {
828 switch (Type) {
829 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
830 LLVM_READOBJ_TYPE_CASE(DEBUG);
831 LLVM_READOBJ_TYPE_CASE(FINI);
832 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
833 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
834 LLVM_READOBJ_TYPE_CASE(FLAGS);
Davide Italianof071bd02015-05-25 19:12:18 +0000835 LLVM_READOBJ_TYPE_CASE(FLAGS_1);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000836 LLVM_READOBJ_TYPE_CASE(HASH);
837 LLVM_READOBJ_TYPE_CASE(INIT);
838 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
839 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
840 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
841 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
842 LLVM_READOBJ_TYPE_CASE(JMPREL);
843 LLVM_READOBJ_TYPE_CASE(NEEDED);
844 LLVM_READOBJ_TYPE_CASE(NULL);
845 LLVM_READOBJ_TYPE_CASE(PLTGOT);
846 LLVM_READOBJ_TYPE_CASE(PLTREL);
847 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
848 LLVM_READOBJ_TYPE_CASE(REL);
849 LLVM_READOBJ_TYPE_CASE(RELA);
850 LLVM_READOBJ_TYPE_CASE(RELENT);
851 LLVM_READOBJ_TYPE_CASE(RELSZ);
852 LLVM_READOBJ_TYPE_CASE(RELAENT);
853 LLVM_READOBJ_TYPE_CASE(RELASZ);
854 LLVM_READOBJ_TYPE_CASE(RPATH);
855 LLVM_READOBJ_TYPE_CASE(RUNPATH);
856 LLVM_READOBJ_TYPE_CASE(SONAME);
857 LLVM_READOBJ_TYPE_CASE(STRSZ);
858 LLVM_READOBJ_TYPE_CASE(STRTAB);
859 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
860 LLVM_READOBJ_TYPE_CASE(SYMENT);
861 LLVM_READOBJ_TYPE_CASE(SYMTAB);
862 LLVM_READOBJ_TYPE_CASE(TEXTREL);
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000863 LLVM_READOBJ_TYPE_CASE(VERNEED);
864 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
865 LLVM_READOBJ_TYPE_CASE(VERSYM);
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000866 LLVM_READOBJ_TYPE_CASE(RELCOUNT);
867 LLVM_READOBJ_TYPE_CASE(GNU_HASH);
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000868 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
869 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
870 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
871 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
872 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
873 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
874 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
Simon Atanasyan728d2162014-01-05 13:40:27 +0000875 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
876 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
Simon Atanasyan2da3eb12015-04-20 05:34:48 +0000877 LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000878 default: return "unknown";
879 }
880}
881
882#undef LLVM_READOBJ_TYPE_CASE
883
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000884#define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
885 { #enum, prefix##_##enum }
886
887static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
888 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
889 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
890 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
891 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
892 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
893};
894
Davide Italianof071bd02015-05-25 19:12:18 +0000895static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
896 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
897 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
898 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
899 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
900 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
901 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
902 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
903 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
904 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
905 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
906 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
907 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
908 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
909 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
910 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
911 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
912 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
913 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
914 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
915 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
916 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
917 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
918 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
919 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
920 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
921};
922
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000923static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
924 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
925 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
926 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
927 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
928 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
929 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
930 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
931 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
932 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
933 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
934 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
935 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
936 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
937 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
938 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
939 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
940};
941
942#undef LLVM_READOBJ_DT_FLAG_ENT
943
944template <typename T, typename TFlag>
945void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
946 typedef EnumEntry<TFlag> FlagEntry;
947 typedef SmallVector<FlagEntry, 10> FlagVector;
948 FlagVector SetFlags;
949
950 for (const auto &Flag : Flags) {
951 if (Flag.Value == 0)
952 continue;
953
954 if ((Value & Flag.Value) == Flag.Value)
955 SetFlags.push_back(Flag);
956 }
957
958 for (const auto &Flag : SetFlags) {
959 OS << Flag.Name << " ";
960 }
961}
962
Michael J. Spencer126973b2013-08-08 22:27:13 +0000963template <class ELFT>
Rafael Espindola00ddb142015-07-20 03:38:17 +0000964static const char *getDynamicString(const ELFFile<ELFT> &O, uint64_t Value) {
965 const char *Ret = O.getDynamicString(Value);
966 if (!Ret)
967 reportError("Invalid dynamic string table reference");
968 return Ret;
969}
970
971template <class ELFT>
Michael J. Spencer126973b2013-08-08 22:27:13 +0000972static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
973 bool Is64, raw_ostream &OS) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000974 switch (Type) {
975 case DT_PLTREL:
976 if (Value == DT_REL) {
977 OS << "REL";
978 break;
979 } else if (Value == DT_RELA) {
980 OS << "RELA";
981 break;
982 }
983 // Fallthrough.
984 case DT_PLTGOT:
985 case DT_HASH:
986 case DT_STRTAB:
987 case DT_SYMTAB:
988 case DT_RELA:
989 case DT_INIT:
990 case DT_FINI:
991 case DT_REL:
992 case DT_JMPREL:
993 case DT_INIT_ARRAY:
994 case DT_FINI_ARRAY:
995 case DT_PREINIT_ARRAY:
996 case DT_DEBUG:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000997 case DT_VERNEED:
998 case DT_VERSYM:
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000999 case DT_GNU_HASH:
Eric Christopher9cad53c2013-04-03 18:31:38 +00001000 case DT_NULL:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +00001001 case DT_MIPS_BASE_ADDRESS:
1002 case DT_MIPS_GOTSYM:
Simon Atanasyan728d2162014-01-05 13:40:27 +00001003 case DT_MIPS_RLD_MAP:
1004 case DT_MIPS_PLTGOT:
Simon Atanasyan2da3eb12015-04-20 05:34:48 +00001005 case DT_MIPS_OPTIONS:
Eric Christopher9cad53c2013-04-03 18:31:38 +00001006 OS << format("0x%" PRIX64, Value);
1007 break;
Simon Atanasyanca8b5622014-05-11 08:48:09 +00001008 case DT_RELCOUNT:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +00001009 case DT_VERNEEDNUM:
1010 case DT_MIPS_RLD_VERSION:
1011 case DT_MIPS_LOCAL_GOTNO:
1012 case DT_MIPS_SYMTABNO:
1013 case DT_MIPS_UNREFEXTNO:
1014 OS << Value;
1015 break;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001016 case DT_PLTRELSZ:
1017 case DT_RELASZ:
1018 case DT_RELAENT:
1019 case DT_STRSZ:
1020 case DT_SYMENT:
1021 case DT_RELSZ:
1022 case DT_RELENT:
1023 case DT_INIT_ARRAYSZ:
1024 case DT_FINI_ARRAYSZ:
1025 case DT_PREINIT_ARRAYSZ:
1026 OS << Value << " (bytes)";
1027 break;
1028 case DT_NEEDED:
Rafael Espindola00ddb142015-07-20 03:38:17 +00001029 OS << "SharedLibrary (" << getDynamicString(*O, Value) << ")";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001030 break;
1031 case DT_SONAME:
Rafael Espindola00ddb142015-07-20 03:38:17 +00001032 OS << "LibrarySoname (" << getDynamicString(*O, Value) << ")";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001033 break;
Joerg Sonnenbergerce91d012013-09-03 17:13:53 +00001034 case DT_RPATH:
1035 case DT_RUNPATH:
Rafael Espindola00ddb142015-07-20 03:38:17 +00001036 OS << getDynamicString(*O, Value);
Joerg Sonnenbergerce91d012013-09-03 17:13:53 +00001037 break;
Simon Atanasyanca8b5622014-05-11 08:48:09 +00001038 case DT_MIPS_FLAGS:
1039 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
1040 break;
1041 case DT_FLAGS:
1042 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
1043 break;
Davide Italianof071bd02015-05-25 19:12:18 +00001044 case DT_FLAGS_1:
1045 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
1046 break;
Michael J. Spencer594c0282015-06-25 21:47:32 +00001047 default:
1048 OS << format("0x%" PRIX64, Value);
1049 break;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001050 }
1051}
1052
1053template<class ELFT>
1054void ELFDumper<ELFT>::printUnwindInfo() {
1055 W.startLine() << "UnwindInfo not implemented.\n";
1056}
1057
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001058namespace {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001059template <> void ELFDumper<ELFType<support::little, false>>::printUnwindInfo() {
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001060 const unsigned Machine = Obj->getHeader()->e_machine;
1061 if (Machine == EM_ARM) {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001062 ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(W, Obj);
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001063 return Ctx.PrintUnwindInformation();
1064 }
1065 W.startLine() << "UnwindInfo not implemented.\n";
1066}
1067}
1068
Eric Christopher9cad53c2013-04-03 18:31:38 +00001069template<class ELFT>
1070void ELFDumper<ELFT>::printDynamicTable() {
Rafael Espindolae3f72232015-07-20 21:45:56 +00001071 auto I = Obj->dynamic_table_begin();
1072 auto E = Obj->dynamic_table_end();
Eric Christopher9cad53c2013-04-03 18:31:38 +00001073
Rafael Espindolae3f72232015-07-20 21:45:56 +00001074 if (I == E)
1075 return;
1076
1077 --E;
1078 while (I != E && E->getTag() == ELF::DT_NULL)
1079 --E;
1080 if (E->getTag() != ELF::DT_NULL)
1081 ++E;
1082 ++E;
1083
1084 ptrdiff_t Total = std::distance(I, E);
Simon Atanasyan28a11602014-06-04 05:51:44 +00001085 if (Total == 0)
Eric Christopher9cad53c2013-04-03 18:31:38 +00001086 return;
1087
Eric Christopher9cad53c2013-04-03 18:31:38 +00001088 raw_ostream &OS = W.getOStream();
1089 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1090
Michael J. Spencer126973b2013-08-08 22:27:13 +00001091 bool Is64 = ELFT::Is64Bits;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001092
1093 W.startLine()
1094 << " Tag" << (Is64 ? " " : " ") << "Type"
1095 << " " << "Name/Value\n";
Rafael Espindolae3f72232015-07-20 21:45:56 +00001096 while (I != E) {
1097 const typename ELFO::Elf_Dyn &Entry = *I;
1098 ++I;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001099 W.startLine()
1100 << " "
Simon Atanasyan28a11602014-06-04 05:51:44 +00001101 << format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Entry.getTag())
1102 << " " << format("%-21s", getTypeString(Entry.getTag()));
1103 printValue(Obj, Entry.getTag(), Entry.getVal(), Is64, OS);
Eric Christopher9cad53c2013-04-03 18:31:38 +00001104 OS << "\n";
1105 }
1106
1107 W.startLine() << "]\n";
1108}
1109
Eric Christopher9cad53c2013-04-03 18:31:38 +00001110template<class ELFT>
1111void ELFDumper<ELFT>::printNeededLibraries() {
1112 ListScope D(W, "NeededLibraries");
1113
Michael J. Spencer126973b2013-08-08 22:27:13 +00001114 typedef std::vector<StringRef> LibsTy;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001115 LibsTy Libs;
1116
Simon Atanasyan28a11602014-06-04 05:51:44 +00001117 for (const auto &Entry : Obj->dynamic_table())
1118 if (Entry.d_tag == ELF::DT_NEEDED)
Rafael Espindola00ddb142015-07-20 03:38:17 +00001119 Libs.push_back(getDynamicString(*Obj, Entry.d_un.d_val));
Eric Christopher9cad53c2013-04-03 18:31:38 +00001120
Michael J. Spencer126973b2013-08-08 22:27:13 +00001121 std::stable_sort(Libs.begin(), Libs.end());
Eric Christopher9cad53c2013-04-03 18:31:38 +00001122
Michael J. Spencer126973b2013-08-08 22:27:13 +00001123 for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end(); I != E; ++I) {
1124 outs() << " " << *I << "\n";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001125 }
1126}
Nico Rieckd6df0542013-04-12 04:07:39 +00001127
1128template<class ELFT>
1129void ELFDumper<ELFT>::printProgramHeaders() {
1130 ListScope L(W, "ProgramHeaders");
1131
Rafael Espindola073624b2015-07-20 13:35:33 +00001132 for (const typename ELFO::Elf_Phdr &Phdr : Obj->program_headers()) {
Nico Rieckd6df0542013-04-12 04:07:39 +00001133 DictScope P(W, "ProgramHeader");
Rafael Espindola073624b2015-07-20 13:35:33 +00001134 W.printHex("Type",
1135 getElfSegmentType(Obj->getHeader()->e_machine, Phdr.p_type),
1136 Phdr.p_type);
1137 W.printHex("Offset", Phdr.p_offset);
1138 W.printHex("VirtualAddress", Phdr.p_vaddr);
1139 W.printHex("PhysicalAddress", Phdr.p_paddr);
1140 W.printNumber("FileSize", Phdr.p_filesz);
1141 W.printNumber("MemSize", Phdr.p_memsz);
1142 W.printFlags("Flags", Phdr.p_flags, makeArrayRef(ElfSegmentFlags));
1143 W.printNumber("Alignment", Phdr.p_align);
Nico Rieckd6df0542013-04-12 04:07:39 +00001144 }
1145}
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001146
Michael J. Spencer20546ff2015-07-09 22:32:24 +00001147template <typename ELFT>
1148void ELFDumper<ELFT>::printHashTable() {
1149 DictScope D(W, "HashTable");
1150 auto HT = Obj->getHashTable();
1151 if (!HT)
1152 return;
1153 W.printNumber("Num Buckets", HT->nbucket);
1154 W.printNumber("Num Chains", HT->nchain);
1155 W.printList("Buckets", HT->buckets());
1156 W.printList("Chains", HT->chains());
1157}
1158
Rafael Espindola33e746f22015-07-21 13:48:41 +00001159template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
1160 outs() << "LoadName: " << Obj->getLoadName() << '\n';
1161}
1162
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001163template <class ELFT>
1164void ELFDumper<ELFT>::printAttributes() {
1165 W.startLine() << "Attributes not implemented.\n";
1166}
1167
1168namespace {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001169template <> void ELFDumper<ELFType<support::little, false>>::printAttributes() {
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001170 if (Obj->getHeader()->e_machine != EM_ARM) {
1171 W.startLine() << "Attributes not implemented.\n";
1172 return;
1173 }
1174
1175 DictScope BA(W, "BuildAttributes");
Rafael Espindola13e08772015-06-30 19:24:51 +00001176 for (const ELFO::Elf_Shdr &Sec : Obj->sections()) {
1177 if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001178 continue;
1179
Rafael Espindola13e08772015-06-30 19:24:51 +00001180 ErrorOr<ArrayRef<uint8_t>> Contents = Obj->getSectionContents(&Sec);
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001181 if (!Contents)
1182 continue;
1183
1184 if ((*Contents)[0] != ARMBuildAttrs::Format_Version) {
1185 errs() << "unrecognised FormatVersion: 0x" << utohexstr((*Contents)[0])
1186 << '\n';
1187 continue;
1188 }
1189
1190 W.printHex("FormatVersion", (*Contents)[0]);
1191 if (Contents->size() == 1)
1192 continue;
1193
1194 ARMAttributeParser(W).Parse(*Contents);
1195 }
1196}
1197}
1198
Simon Atanasyan80433902014-06-18 08:47:09 +00001199namespace {
1200template <class ELFT> class MipsGOTParser {
1201public:
1202 typedef object::ELFFile<ELFT> ObjectFile;
1203 typedef typename ObjectFile::Elf_Shdr Elf_Shdr;
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001204 typedef typename ObjectFile::Elf_Sym Elf_Sym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001205
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001206 MipsGOTParser(const ObjectFile *Obj, StreamWriter &W);
Simon Atanasyan80433902014-06-18 08:47:09 +00001207
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001208 void parseGOT();
1209 void parsePLT();
Simon Atanasyan80433902014-06-18 08:47:09 +00001210
1211private:
Simon Atanasyan80433902014-06-18 08:47:09 +00001212 typedef typename ObjectFile::Elf_Addr GOTEntry;
1213 typedef typename ObjectFile::template ELFEntityIterator<const GOTEntry>
1214 GOTIter;
1215
1216 const ObjectFile *Obj;
1217 StreamWriter &W;
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001218 llvm::Optional<uint64_t> DtPltGot;
1219 llvm::Optional<uint64_t> DtLocalGotNum;
1220 llvm::Optional<uint64_t> DtGotSym;
1221 llvm::Optional<uint64_t> DtMipsPltGot;
1222 llvm::Optional<uint64_t> DtJmpRel;
Simon Atanasyan80433902014-06-18 08:47:09 +00001223
Simon Atanasyanc217c402014-06-18 09:24:01 +00001224 std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
1225 GOTIter makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001226
Simon Atanasyan80433902014-06-18 08:47:09 +00001227 void printGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It);
1228 void printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001229 const Elf_Sym *Sym, StringRef StrTable,
1230 bool IsDynamic);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001231 void printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt, GOTIter It,
1232 StringRef Purpose);
1233 void printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt, GOTIter It,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001234 StringRef StrTable, const Elf_Sym *Sym);
Simon Atanasyan80433902014-06-18 08:47:09 +00001235};
1236}
1237
1238template <class ELFT>
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001239MipsGOTParser<ELFT>::MipsGOTParser(const ObjectFile *Obj, StreamWriter &W)
1240 : Obj(Obj), W(W) {
1241 for (const auto &Entry : Obj->dynamic_table()) {
1242 switch (Entry.getTag()) {
1243 case ELF::DT_PLTGOT:
1244 DtPltGot = Entry.getVal();
1245 break;
1246 case ELF::DT_MIPS_LOCAL_GOTNO:
1247 DtLocalGotNum = Entry.getVal();
1248 break;
1249 case ELF::DT_MIPS_GOTSYM:
1250 DtGotSym = Entry.getVal();
1251 break;
1252 case ELF::DT_MIPS_PLTGOT:
1253 DtMipsPltGot = Entry.getVal();
1254 break;
1255 case ELF::DT_JMPREL:
1256 DtJmpRel = Entry.getVal();
1257 break;
1258 }
1259 }
1260}
1261
1262template <class ELFT> void MipsGOTParser<ELFT>::parseGOT() {
Simon Atanasyan80433902014-06-18 08:47:09 +00001263 // See "Global Offset Table" in Chapter 5 in the following document
1264 // for detailed GOT description.
1265 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001266 if (!DtPltGot) {
1267 W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
1268 return;
1269 }
1270 if (!DtLocalGotNum) {
1271 W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
1272 return;
1273 }
1274 if (!DtGotSym) {
1275 W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
1276 return;
1277 }
Simon Atanasyan80433902014-06-18 08:47:09 +00001278
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001279 const Elf_Shdr *GOTShdr = findSectionByAddress(Obj, *DtPltGot);
1280 if (!GOTShdr) {
1281 W.startLine() << "There is no .got section in the file.\n";
1282 return;
1283 }
1284
1285 ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(GOTShdr);
Simon Atanasyan80433902014-06-18 08:47:09 +00001286 if (!GOT) {
1287 W.startLine() << "The .got section is empty.\n";
1288 return;
1289 }
1290
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001291 if (*DtLocalGotNum > getGOTTotal(*GOT)) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001292 W.startLine() << "MIPS_LOCAL_GOTNO exceeds a number of GOT entries.\n";
1293 return;
1294 }
1295
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001296 const Elf_Shdr *DynSymSec = Obj->getDotDynSymSec();
1297 ErrorOr<StringRef> StrTable = Obj->getStringTableForSymtab(*DynSymSec);
1298 error(StrTable.getError());
Rafael Espindola2b5f8412015-06-30 15:33:44 +00001299 const Elf_Sym *DynSymBegin = Obj->dynamic_symbol_begin();
1300 const Elf_Sym *DynSymEnd = Obj->dynamic_symbol_end();
Simon Atanasyan80433902014-06-18 08:47:09 +00001301 std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
1302
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001303 if (*DtGotSym > DynSymTotal) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001304 W.startLine() << "MIPS_GOTSYM exceeds a number of dynamic symbols.\n";
1305 return;
1306 }
1307
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001308 std::size_t GlobalGotNum = DynSymTotal - *DtGotSym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001309
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001310 if (*DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT)) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001311 W.startLine() << "Number of global GOT entries exceeds the size of GOT.\n";
1312 return;
1313 }
1314
Simon Atanasyanc217c402014-06-18 09:24:01 +00001315 GOTIter GotBegin = makeGOTIter(*GOT, 0);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001316 GOTIter GotLocalEnd = makeGOTIter(*GOT, *DtLocalGotNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001317 GOTIter It = GotBegin;
1318
1319 DictScope GS(W, "Primary GOT");
1320
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001321 W.printHex("Canonical gp value", GOTShdr->sh_addr + 0x7ff0);
Simon Atanasyan80433902014-06-18 08:47:09 +00001322 {
1323 ListScope RS(W, "Reserved entries");
1324
1325 {
1326 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001327 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
Simon Atanasyan80433902014-06-18 08:47:09 +00001328 W.printString("Purpose", StringRef("Lazy resolver"));
1329 }
1330
1331 if (It != GotLocalEnd && (*It >> (sizeof(GOTEntry) * 8 - 1)) != 0) {
1332 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001333 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
Simon Atanasyan80433902014-06-18 08:47:09 +00001334 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
1335 }
1336 }
1337 {
1338 ListScope LS(W, "Local entries");
1339 for (; It != GotLocalEnd; ++It) {
1340 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001341 printGotEntry(GOTShdr->sh_addr, GotBegin, It);
Simon Atanasyan80433902014-06-18 08:47:09 +00001342 }
1343 }
1344 {
1345 ListScope GS(W, "Global entries");
1346
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001347 GOTIter GotGlobalEnd = makeGOTIter(*GOT, *DtLocalGotNum + GlobalGotNum);
1348 const Elf_Sym *GotDynSym = DynSymBegin + *DtGotSym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001349 for (; It != GotGlobalEnd; ++It) {
1350 DictScope D(W, "Entry");
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001351 printGlobalGotEntry(GOTShdr->sh_addr, GotBegin, It, GotDynSym++,
1352 *StrTable, true);
Simon Atanasyan80433902014-06-18 08:47:09 +00001353 }
1354 }
1355
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001356 std::size_t SpecGotNum = getGOTTotal(*GOT) - *DtLocalGotNum - GlobalGotNum;
Simon Atanasyana4ba8ec2014-06-18 09:23:55 +00001357 W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
Simon Atanasyan80433902014-06-18 08:47:09 +00001358}
1359
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001360template <class ELFT> void MipsGOTParser<ELFT>::parsePLT() {
1361 if (!DtMipsPltGot) {
1362 W.startLine() << "Cannot find MIPS_PLTGOT dynamic table tag.\n";
1363 return;
1364 }
1365 if (!DtJmpRel) {
1366 W.startLine() << "Cannot find JMPREL dynamic table tag.\n";
1367 return;
1368 }
1369
1370 const Elf_Shdr *PLTShdr = findSectionByAddress(Obj, *DtMipsPltGot);
1371 if (!PLTShdr) {
1372 W.startLine() << "There is no .got.plt section in the file.\n";
1373 return;
1374 }
1375 ErrorOr<ArrayRef<uint8_t>> PLT = Obj->getSectionContents(PLTShdr);
1376 if (!PLT) {
1377 W.startLine() << "The .got.plt section is empty.\n";
1378 return;
1379 }
1380
1381 const Elf_Shdr *PLTRelShdr = findSectionByAddress(Obj, *DtJmpRel);
1382 if (!PLTShdr) {
1383 W.startLine() << "There is no .rel.plt section in the file.\n";
1384 return;
1385 }
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001386 ErrorOr<const Elf_Shdr *> SymTableOrErr =
1387 Obj->getSection(PLTRelShdr->sh_link);
1388 error(SymTableOrErr.getError());
1389 ErrorOr<StringRef> StrTable = Obj->getStringTableForSymtab(**SymTableOrErr);
1390 error(StrTable.getError());
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001391
1392 GOTIter PLTBegin = makeGOTIter(*PLT, 0);
1393 GOTIter PLTEnd = makeGOTIter(*PLT, getGOTTotal(*PLT));
1394 GOTIter It = PLTBegin;
1395
1396 DictScope GS(W, "PLT GOT");
1397 {
1398 ListScope RS(W, "Reserved entries");
1399 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "PLT lazy resolver");
1400 if (It != PLTEnd)
1401 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "Module pointer");
1402 }
1403 {
1404 ListScope GS(W, "Entries");
1405
1406 switch (PLTRelShdr->sh_type) {
1407 case ELF::SHT_REL:
Rafael Espindola33f25092015-07-20 20:07:50 +00001408 for (const typename ObjectFile::Elf_Rel *RI = Obj->rel_begin(PLTRelShdr),
1409 *RE = Obj->rel_end(PLTRelShdr);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001410 RI != RE && It != PLTEnd; ++RI, ++It) {
1411 const Elf_Sym *Sym =
1412 Obj->getRelocationSymbol(&*PLTRelShdr, &*RI).second;
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001413 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, *StrTable, Sym);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001414 }
1415 break;
1416 case ELF::SHT_RELA:
Rafael Espindola33f25092015-07-20 20:07:50 +00001417 for (const typename ObjectFile::Elf_Rela
1418 *RI = Obj->rela_begin(PLTRelShdr),
1419 *RE = Obj->rela_end(PLTRelShdr);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001420 RI != RE && It != PLTEnd; ++RI, ++It) {
1421 const Elf_Sym *Sym =
1422 Obj->getRelocationSymbol(&*PLTRelShdr, &*RI).second;
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001423 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, *StrTable, Sym);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001424 }
1425 break;
1426 }
1427 }
1428}
1429
Simon Atanasyan80433902014-06-18 08:47:09 +00001430template <class ELFT>
Simon Atanasyanc217c402014-06-18 09:24:01 +00001431std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
Simon Atanasyan80433902014-06-18 08:47:09 +00001432 return GOT.size() / sizeof(GOTEntry);
1433}
1434
1435template <class ELFT>
1436typename MipsGOTParser<ELFT>::GOTIter
Simon Atanasyanc217c402014-06-18 09:24:01 +00001437MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001438 const char *Data = reinterpret_cast<const char *>(GOT.data());
1439 return GOTIter(sizeof(GOTEntry), Data + EntryNum * sizeof(GOTEntry));
1440}
1441
1442template <class ELFT>
Simon Atanasyan80433902014-06-18 08:47:09 +00001443void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr, GOTIter BeginIt,
1444 GOTIter It) {
1445 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1446 W.printHex("Address", GotAddr + Offset);
1447 W.printNumber("Access", Offset - 0x7ff0);
1448 W.printHex("Initial", *It);
1449}
1450
1451template <class ELFT>
1452void MipsGOTParser<ELFT>::printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt,
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001453 GOTIter It, const Elf_Sym *Sym,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001454 StringRef StrTable,
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001455 bool IsDynamic) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001456 printGotEntry(GotAddr, BeginIt, It);
1457
1458 W.printHex("Value", Sym->st_value);
1459 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1460
1461 unsigned SectionIndex = 0;
1462 StringRef SectionName;
1463 getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
1464 W.printHex("Section", SectionName, SectionIndex);
1465
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001466 std::string FullSymbolName =
1467 getFullSymbolName(*Obj, Sym, StrTable, IsDynamic);
Simon Atanasyan80433902014-06-18 08:47:09 +00001468 W.printNumber("Name", FullSymbolName, Sym->st_name);
1469}
1470
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001471template <class ELFT>
1472void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt,
1473 GOTIter It, StringRef Purpose) {
1474 DictScope D(W, "Entry");
1475 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1476 W.printHex("Address", PLTAddr + Offset);
1477 W.printHex("Initial", *It);
1478 W.printString("Purpose", Purpose);
1479}
1480
1481template <class ELFT>
1482void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001483 GOTIter It, StringRef StrTable,
1484 const Elf_Sym *Sym) {
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001485 DictScope D(W, "Entry");
1486 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1487 W.printHex("Address", PLTAddr + Offset);
1488 W.printHex("Initial", *It);
1489 W.printHex("Value", Sym->st_value);
1490 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1491
1492 unsigned SectionIndex = 0;
1493 StringRef SectionName;
1494 getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
1495 W.printHex("Section", SectionName, SectionIndex);
1496
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001497 std::string FullSymbolName = getFullSymbolName(*Obj, Sym, StrTable, true);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001498 W.printNumber("Name", FullSymbolName, Sym->st_name);
1499}
1500
Simon Atanasyan80433902014-06-18 08:47:09 +00001501template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
1502 if (Obj->getHeader()->e_machine != EM_MIPS) {
1503 W.startLine() << "MIPS PLT GOT is available for MIPS targets only.\n";
1504 return;
1505 }
1506
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001507 MipsGOTParser<ELFT> GOTParser(Obj, W);
1508 GOTParser.parseGOT();
1509 GOTParser.parsePLT();
Simon Atanasyan80433902014-06-18 08:47:09 +00001510}
Simon Atanasyanc914de22015-05-07 15:40:35 +00001511
1512static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
1513 {"None", Mips::AFL_EXT_NONE},
1514 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
1515 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
1516 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
1517 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
1518 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
1519 {"LSI R4010", Mips::AFL_EXT_4010},
1520 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
1521 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
1522 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
1523 {"MIPS R4650", Mips::AFL_EXT_4650},
1524 {"MIPS R5900", Mips::AFL_EXT_5900},
1525 {"MIPS R10000", Mips::AFL_EXT_10000},
1526 {"NEC VR4100", Mips::AFL_EXT_4100},
1527 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
1528 {"NEC VR4120", Mips::AFL_EXT_4120},
1529 {"NEC VR5400", Mips::AFL_EXT_5400},
1530 {"NEC VR5500", Mips::AFL_EXT_5500},
1531 {"RMI Xlr", Mips::AFL_EXT_XLR},
1532 {"Toshiba R3900", Mips::AFL_EXT_3900}
1533};
1534
1535static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
1536 {"DSP", Mips::AFL_ASE_DSP},
1537 {"DSPR2", Mips::AFL_ASE_DSPR2},
1538 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
1539 {"MCU", Mips::AFL_ASE_MCU},
1540 {"MDMX", Mips::AFL_ASE_MDMX},
1541 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
1542 {"MT", Mips::AFL_ASE_MT},
1543 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
1544 {"VZ", Mips::AFL_ASE_VIRT},
1545 {"MSA", Mips::AFL_ASE_MSA},
1546 {"MIPS16", Mips::AFL_ASE_MIPS16},
1547 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
1548 {"XPA", Mips::AFL_ASE_XPA}
1549};
1550
1551static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
1552 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
1553 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
1554 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
1555 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
1556 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
1557 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
1558 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
1559 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
1560 {"Hard float compat (32-bit CPU, 64-bit FPU)",
1561 Mips::Val_GNU_MIPS_ABI_FP_64A}
1562};
1563
1564static const EnumEntry<unsigned> ElfMipsFlags1[] {
1565 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
1566};
1567
1568static int getMipsRegisterSize(uint8_t Flag) {
1569 switch (Flag) {
1570 case Mips::AFL_REG_NONE:
1571 return 0;
1572 case Mips::AFL_REG_32:
1573 return 32;
1574 case Mips::AFL_REG_64:
1575 return 64;
1576 case Mips::AFL_REG_128:
1577 return 128;
1578 default:
1579 return -1;
1580 }
1581}
1582
1583template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
1584 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
1585 if (!Shdr) {
1586 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
1587 return;
1588 }
1589 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1590 if (!Sec) {
1591 W.startLine() << "The .MIPS.abiflags section is empty.\n";
1592 return;
1593 }
1594 if (Sec->size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
1595 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
1596 return;
1597 }
1598
1599 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec->data());
1600
1601 raw_ostream &OS = W.getOStream();
1602 DictScope GS(W, "MIPS ABI Flags");
1603
1604 W.printNumber("Version", Flags->version);
1605 W.startLine() << "ISA: ";
1606 if (Flags->isa_rev <= 1)
1607 OS << format("MIPS%u", Flags->isa_level);
1608 else
1609 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
1610 OS << "\n";
1611 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
1612 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
1613 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
1614 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
1615 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
1616 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
1617 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
1618 W.printHex("Flags 2", Flags->flags2);
1619}
Simon Atanasyan6e07e932015-06-16 21:47:43 +00001620
1621template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
1622 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
1623 if (!Shdr) {
1624 W.startLine() << "There is no .reginfo section in the file.\n";
1625 return;
1626 }
1627 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1628 if (!Sec) {
1629 W.startLine() << "The .reginfo section is empty.\n";
1630 return;
1631 }
1632 if (Sec->size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
1633 W.startLine() << "The .reginfo section has a wrong size.\n";
1634 return;
1635 }
1636
1637 auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec->data());
1638
1639 DictScope GS(W, "MIPS RegInfo");
1640 W.printHex("GP", Reginfo->ri_gp_value);
1641 W.printHex("General Mask", Reginfo->ri_gprmask);
1642 W.printHex("Co-Proc Mask0", Reginfo->ri_cprmask[0]);
1643 W.printHex("Co-Proc Mask1", Reginfo->ri_cprmask[1]);
1644 W.printHex("Co-Proc Mask2", Reginfo->ri_cprmask[2]);
1645 W.printHex("Co-Proc Mask3", Reginfo->ri_cprmask[3]);
1646}
Lang Hames0000afd2015-06-26 23:56:53 +00001647
1648template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
1649 const typename ELFFile<ELFT>::Elf_Shdr *StackMapSection = nullptr;
1650 for (const auto &Sec : Obj->sections()) {
1651 ErrorOr<StringRef> Name = Obj->getSectionName(&Sec);
1652 if (*Name == ".llvm_stackmaps") {
1653 StackMapSection = &Sec;
1654 break;
1655 }
1656 }
1657
1658 if (!StackMapSection)
1659 return;
1660
1661 StringRef StackMapContents;
1662 ErrorOr<ArrayRef<uint8_t>> StackMapContentsArray =
1663 Obj->getSectionContents(StackMapSection);
1664
1665 prettyPrintStackMap(
1666 llvm::outs(),
1667 StackMapV1Parser<ELFT::TargetEndianness>(*StackMapContentsArray));
1668}