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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 Espindola719dc7c2015-06-29 12:38:31 +000074 void printSymbol(const Elf_Sym *Symbol, 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,
129 bool IsDynamic) {
130 StringRef SymbolName = errorOrDefault(Obj.getSymbolName(Symbol, IsDynamic));
131 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 Espindola719dc7c2015-06-29 12:38:31 +0000649 for (const typename ELFO::Elf_Sym &Sym : Obj->symbols()) {
Rafael Espindola6def3042015-07-01 12:56:27 +0000650 ErrorOr<const Elf_Shdr *> SymSec = Obj->getSection(&Sym);
651 if (!SymSec)
652 continue;
653 if (*SymSec == &Sec)
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000654 printSymbol(&Sym, false);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000655 }
656 }
657
Rafael Espindola13e08772015-06-30 19:24:51 +0000658 if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
659 ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(&Sec));
Michael J. Spencer126973b2013-08-08 22:27:13 +0000660 W.printBinaryBlock("SectionData",
661 StringRef((const char *)Data.data(), Data.size()));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000662 }
663 }
664}
665
666template<class ELFT>
667void ELFDumper<ELFT>::printRelocations() {
668 ListScope D(W, "Relocations");
669
Eric Christopher9cad53c2013-04-03 18:31:38 +0000670 int SectionNumber = -1;
Rafael Espindola13e08772015-06-30 19:24:51 +0000671 for (const typename ELFO::Elf_Shdr &Sec : Obj->sections()) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000672 ++SectionNumber;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000673
Rafael Espindola13e08772015-06-30 19:24:51 +0000674 if (Sec.sh_type != ELF::SHT_REL && Sec.sh_type != ELF::SHT_RELA)
Eric Christopher9cad53c2013-04-03 18:31:38 +0000675 continue;
676
Rafael Espindola13e08772015-06-30 19:24:51 +0000677 StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000678
Michael J. Spencer126973b2013-08-08 22:27:13 +0000679 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
680 W.indent();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000681
Rafael Espindola13e08772015-06-30 19:24:51 +0000682 printRelocations(&Sec);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000683
Michael J. Spencer126973b2013-08-08 22:27:13 +0000684 W.unindent();
685 W.startLine() << "}\n";
Eric Christopher9cad53c2013-04-03 18:31:38 +0000686 }
687}
688
Michael J. Spencer594c0282015-06-25 21:47:32 +0000689template<class ELFT>
690void ELFDumper<ELFT>::printDynamicRelocations() {
691 W.startLine() << "Dynamic Relocations {\n";
692 W.indent();
Rafael Espindola33f25092015-07-20 20:07:50 +0000693 for (const typename ELFO::Elf_Rela &Rel : Obj->dyn_relas()) {
Michael J. Spencer594c0282015-06-25 21:47:32 +0000694 SmallString<32> RelocName;
Rafael Espindola33f25092015-07-20 20:07:50 +0000695 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
Michael J. Spencer594c0282015-06-25 21:47:32 +0000696 StringRef SymbolName;
Rafael Espindola33f25092015-07-20 20:07:50 +0000697 uint32_t SymIndex = Rel.getSymbol(Obj->isMips64EL());
Rafael Espindola2b5f8412015-06-30 15:33:44 +0000698 const typename ELFO::Elf_Sym *Sym = Obj->dynamic_symbol_begin() + SymIndex;
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000699 SymbolName = errorOrDefault(Obj->getSymbolName(Sym, true));
Michael J. Spencer594c0282015-06-25 21:47:32 +0000700 if (opts::ExpandRelocs) {
701 DictScope Group(W, "Relocation");
Rafael Espindola33f25092015-07-20 20:07:50 +0000702 W.printHex("Offset", Rel.r_offset);
703 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
Michael J. Spencer594c0282015-06-25 21:47:32 +0000704 W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
Rafael Espindola33f25092015-07-20 20:07:50 +0000705 W.printHex("Addend", Rel.r_addend);
Michael J. Spencer594c0282015-06-25 21:47:32 +0000706 }
707 else {
708 raw_ostream& OS = W.startLine();
Rafael Espindola33f25092015-07-20 20:07:50 +0000709 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
710 << (SymbolName.size() > 0 ? SymbolName : "-") << " "
711 << W.hex(Rel.r_addend) << "\n";
Michael J. Spencer594c0282015-06-25 21:47:32 +0000712 }
713 }
714 W.unindent();
715 W.startLine() << "}\n";
716}
717
Michael J. Spencer126973b2013-08-08 22:27:13 +0000718template <class ELFT>
719void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
720 switch (Sec->sh_type) {
721 case ELF::SHT_REL:
Rafael Espindola33f25092015-07-20 20:07:50 +0000722 for (const typename ELFO::Elf_Rel &R : Obj->rels(Sec)) {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000723 typename ELFO::Elf_Rela Rela;
Rafael Espindola33f25092015-07-20 20:07:50 +0000724 Rela.r_offset = R.r_offset;
725 Rela.r_info = R.r_info;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000726 Rela.r_addend = 0;
727 printRelocation(Sec, Rela);
728 }
729 break;
730 case ELF::SHT_RELA:
Rafael Espindola33f25092015-07-20 20:07:50 +0000731 for (const typename ELFO::Elf_Rela &R : Obj->relas(Sec))
732 printRelocation(Sec, R);
Michael J. Spencer126973b2013-08-08 22:27:13 +0000733 break;
Rafael Espindola1e483872013-04-25 12:28:45 +0000734 }
Michael J. Spencer126973b2013-08-08 22:27:13 +0000735}
736
737template <class ELFT>
738void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
739 typename ELFO::Elf_Rela Rel) {
740 SmallString<32> RelocName;
741 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
Rafael Espindola75d5b542015-06-03 05:14:22 +0000742 StringRef TargetName;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000743 std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
744 Obj->getRelocationSymbol(Sec, &Rel);
Rafael Espindola75d5b542015-06-03 05:14:22 +0000745 if (Sym.second && Sym.second->getType() == ELF::STT_SECTION) {
Rafael Espindola6def3042015-07-01 12:56:27 +0000746 ErrorOr<const Elf_Shdr *> Sec = Obj->getSection(Sym.second);
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000747 error(Sec.getError());
748 ErrorOr<StringRef> SecName = Obj->getSectionName(*Sec);
749 if (SecName)
750 TargetName = SecName.get();
Rafael Espindola75d5b542015-06-03 05:14:22 +0000751 } else if (Sym.first) {
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000752 const Elf_Shdr *SymTable = Sym.first;
Rafael Espindola6def3042015-07-01 12:56:27 +0000753 ErrorOr<const Elf_Shdr *> StrTableSec = Obj->getSection(SymTable->sh_link);
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000754 error(StrTableSec.getError());
755 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTable(*StrTableSec);
756 error(StrTableOrErr.getError());
757 TargetName = errorOrDefault(Sym.second->getName(*StrTableOrErr));
Rafael Espindola75d5b542015-06-03 05:14:22 +0000758 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000759
Nico Rieckf3f0b792013-04-12 04:01:52 +0000760 if (opts::ExpandRelocs) {
761 DictScope Group(W, "Relocation");
Michael J. Spencer126973b2013-08-08 22:27:13 +0000762 W.printHex("Offset", Rel.r_offset);
763 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
Rafael Espindola75d5b542015-06-03 05:14:22 +0000764 W.printNumber("Symbol", TargetName.size() > 0 ? TargetName : "-",
Rafael Espindola0eb2cec2014-10-17 01:34:23 +0000765 Rel.getSymbol(Obj->isMips64EL()));
Michael J. Spencer126973b2013-08-08 22:27:13 +0000766 W.printHex("Addend", Rel.r_addend);
Nico Rieckf3f0b792013-04-12 04:01:52 +0000767 } else {
768 raw_ostream& OS = W.startLine();
Rafael Espindola75d5b542015-06-03 05:14:22 +0000769 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
770 << (TargetName.size() > 0 ? TargetName : "-") << " "
771 << W.hex(Rel.r_addend) << "\n";
Nico Rieckf3f0b792013-04-12 04:01:52 +0000772 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000773}
774
775template<class ELFT>
776void ELFDumper<ELFT>::printSymbols() {
777 ListScope Group(W, "Symbols");
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000778 for (const typename ELFO::Elf_Sym &Sym : Obj->symbols())
779 printSymbol(&Sym, false);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000780}
781
782template<class ELFT>
783void ELFDumper<ELFT>::printDynamicSymbols() {
784 ListScope Group(W, "DynamicSymbols");
785
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000786 for (const typename ELFO::Elf_Sym &Sym : Obj->dynamic_symbols())
787 printSymbol(&Sym, true);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000788}
789
Michael J. Spencer126973b2013-08-08 22:27:13 +0000790template <class ELFT>
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000791void ELFDumper<ELFT>::printSymbol(const typename ELFO::Elf_Sym *Symbol,
792 bool IsDynamic) {
Simon Atanasyan414736e2014-06-10 05:59:15 +0000793 unsigned SectionIndex = 0;
Rafael Espindolacfee7ef2014-03-24 05:00:34 +0000794 StringRef SectionName;
Simon Atanasyan414736e2014-06-10 05:59:15 +0000795 getSectionNameIndex(*Obj, Symbol, SectionName, SectionIndex);
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000796 std::string FullSymbolName = getFullSymbolName(*Obj, Symbol, IsDynamic);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000797
798 DictScope D(W, "Symbol");
799 W.printNumber("Name", FullSymbolName, Symbol->st_name);
800 W.printHex ("Value", Symbol->st_value);
801 W.printNumber("Size", Symbol->st_size);
802 W.printEnum ("Binding", Symbol->getBinding(),
803 makeArrayRef(ElfSymbolBindings));
804 W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
805 W.printNumber("Other", Symbol->st_other);
Rafael Espindola10be0832014-03-25 23:44:25 +0000806 W.printHex("Section", SectionName, SectionIndex);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000807}
808
809#define LLVM_READOBJ_TYPE_CASE(name) \
810 case DT_##name: return #name
811
812static const char *getTypeString(uint64_t Type) {
813 switch (Type) {
814 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
815 LLVM_READOBJ_TYPE_CASE(DEBUG);
816 LLVM_READOBJ_TYPE_CASE(FINI);
817 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
818 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
819 LLVM_READOBJ_TYPE_CASE(FLAGS);
Davide Italianof071bd02015-05-25 19:12:18 +0000820 LLVM_READOBJ_TYPE_CASE(FLAGS_1);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000821 LLVM_READOBJ_TYPE_CASE(HASH);
822 LLVM_READOBJ_TYPE_CASE(INIT);
823 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
824 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
825 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
826 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
827 LLVM_READOBJ_TYPE_CASE(JMPREL);
828 LLVM_READOBJ_TYPE_CASE(NEEDED);
829 LLVM_READOBJ_TYPE_CASE(NULL);
830 LLVM_READOBJ_TYPE_CASE(PLTGOT);
831 LLVM_READOBJ_TYPE_CASE(PLTREL);
832 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
833 LLVM_READOBJ_TYPE_CASE(REL);
834 LLVM_READOBJ_TYPE_CASE(RELA);
835 LLVM_READOBJ_TYPE_CASE(RELENT);
836 LLVM_READOBJ_TYPE_CASE(RELSZ);
837 LLVM_READOBJ_TYPE_CASE(RELAENT);
838 LLVM_READOBJ_TYPE_CASE(RELASZ);
839 LLVM_READOBJ_TYPE_CASE(RPATH);
840 LLVM_READOBJ_TYPE_CASE(RUNPATH);
841 LLVM_READOBJ_TYPE_CASE(SONAME);
842 LLVM_READOBJ_TYPE_CASE(STRSZ);
843 LLVM_READOBJ_TYPE_CASE(STRTAB);
844 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
845 LLVM_READOBJ_TYPE_CASE(SYMENT);
846 LLVM_READOBJ_TYPE_CASE(SYMTAB);
847 LLVM_READOBJ_TYPE_CASE(TEXTREL);
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000848 LLVM_READOBJ_TYPE_CASE(VERNEED);
849 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
850 LLVM_READOBJ_TYPE_CASE(VERSYM);
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000851 LLVM_READOBJ_TYPE_CASE(RELCOUNT);
852 LLVM_READOBJ_TYPE_CASE(GNU_HASH);
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000853 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
854 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
855 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
856 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
857 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
858 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
859 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
Simon Atanasyan728d2162014-01-05 13:40:27 +0000860 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
861 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
Simon Atanasyan2da3eb12015-04-20 05:34:48 +0000862 LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000863 default: return "unknown";
864 }
865}
866
867#undef LLVM_READOBJ_TYPE_CASE
868
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000869#define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
870 { #enum, prefix##_##enum }
871
872static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
873 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
874 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
875 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
876 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
877 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
878};
879
Davide Italianof071bd02015-05-25 19:12:18 +0000880static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
881 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
882 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
883 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
884 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
885 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
886 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
887 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
888 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
889 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
890 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
891 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
892 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
893 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
894 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
895 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
896 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
897 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
898 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
899 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
900 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
901 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
902 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
903 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
904 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
905 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
906};
907
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000908static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
909 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
910 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
911 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
912 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
913 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
914 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
915 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
916 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
917 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
918 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
919 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
920 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
921 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
922 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
923 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
924 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
925};
926
927#undef LLVM_READOBJ_DT_FLAG_ENT
928
929template <typename T, typename TFlag>
930void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
931 typedef EnumEntry<TFlag> FlagEntry;
932 typedef SmallVector<FlagEntry, 10> FlagVector;
933 FlagVector SetFlags;
934
935 for (const auto &Flag : Flags) {
936 if (Flag.Value == 0)
937 continue;
938
939 if ((Value & Flag.Value) == Flag.Value)
940 SetFlags.push_back(Flag);
941 }
942
943 for (const auto &Flag : SetFlags) {
944 OS << Flag.Name << " ";
945 }
946}
947
Michael J. Spencer126973b2013-08-08 22:27:13 +0000948template <class ELFT>
Rafael Espindola00ddb142015-07-20 03:38:17 +0000949static const char *getDynamicString(const ELFFile<ELFT> &O, uint64_t Value) {
950 const char *Ret = O.getDynamicString(Value);
951 if (!Ret)
952 reportError("Invalid dynamic string table reference");
953 return Ret;
954}
955
956template <class ELFT>
Michael J. Spencer126973b2013-08-08 22:27:13 +0000957static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
958 bool Is64, raw_ostream &OS) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000959 switch (Type) {
960 case DT_PLTREL:
961 if (Value == DT_REL) {
962 OS << "REL";
963 break;
964 } else if (Value == DT_RELA) {
965 OS << "RELA";
966 break;
967 }
968 // Fallthrough.
969 case DT_PLTGOT:
970 case DT_HASH:
971 case DT_STRTAB:
972 case DT_SYMTAB:
973 case DT_RELA:
974 case DT_INIT:
975 case DT_FINI:
976 case DT_REL:
977 case DT_JMPREL:
978 case DT_INIT_ARRAY:
979 case DT_FINI_ARRAY:
980 case DT_PREINIT_ARRAY:
981 case DT_DEBUG:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000982 case DT_VERNEED:
983 case DT_VERSYM:
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000984 case DT_GNU_HASH:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000985 case DT_NULL:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000986 case DT_MIPS_BASE_ADDRESS:
987 case DT_MIPS_GOTSYM:
Simon Atanasyan728d2162014-01-05 13:40:27 +0000988 case DT_MIPS_RLD_MAP:
989 case DT_MIPS_PLTGOT:
Simon Atanasyan2da3eb12015-04-20 05:34:48 +0000990 case DT_MIPS_OPTIONS:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000991 OS << format("0x%" PRIX64, Value);
992 break;
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000993 case DT_RELCOUNT:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000994 case DT_VERNEEDNUM:
995 case DT_MIPS_RLD_VERSION:
996 case DT_MIPS_LOCAL_GOTNO:
997 case DT_MIPS_SYMTABNO:
998 case DT_MIPS_UNREFEXTNO:
999 OS << Value;
1000 break;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001001 case DT_PLTRELSZ:
1002 case DT_RELASZ:
1003 case DT_RELAENT:
1004 case DT_STRSZ:
1005 case DT_SYMENT:
1006 case DT_RELSZ:
1007 case DT_RELENT:
1008 case DT_INIT_ARRAYSZ:
1009 case DT_FINI_ARRAYSZ:
1010 case DT_PREINIT_ARRAYSZ:
1011 OS << Value << " (bytes)";
1012 break;
1013 case DT_NEEDED:
Rafael Espindola00ddb142015-07-20 03:38:17 +00001014 OS << "SharedLibrary (" << getDynamicString(*O, Value) << ")";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001015 break;
1016 case DT_SONAME:
Rafael Espindola00ddb142015-07-20 03:38:17 +00001017 OS << "LibrarySoname (" << getDynamicString(*O, Value) << ")";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001018 break;
Joerg Sonnenbergerce91d012013-09-03 17:13:53 +00001019 case DT_RPATH:
1020 case DT_RUNPATH:
Rafael Espindola00ddb142015-07-20 03:38:17 +00001021 OS << getDynamicString(*O, Value);
Joerg Sonnenbergerce91d012013-09-03 17:13:53 +00001022 break;
Simon Atanasyanca8b5622014-05-11 08:48:09 +00001023 case DT_MIPS_FLAGS:
1024 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
1025 break;
1026 case DT_FLAGS:
1027 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
1028 break;
Davide Italianof071bd02015-05-25 19:12:18 +00001029 case DT_FLAGS_1:
1030 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
1031 break;
Michael J. Spencer594c0282015-06-25 21:47:32 +00001032 default:
1033 OS << format("0x%" PRIX64, Value);
1034 break;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001035 }
1036}
1037
1038template<class ELFT>
1039void ELFDumper<ELFT>::printUnwindInfo() {
1040 W.startLine() << "UnwindInfo not implemented.\n";
1041}
1042
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001043namespace {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001044template <> void ELFDumper<ELFType<support::little, false>>::printUnwindInfo() {
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001045 const unsigned Machine = Obj->getHeader()->e_machine;
1046 if (Machine == EM_ARM) {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001047 ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(W, Obj);
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001048 return Ctx.PrintUnwindInformation();
1049 }
1050 W.startLine() << "UnwindInfo not implemented.\n";
1051}
1052}
1053
Eric Christopher9cad53c2013-04-03 18:31:38 +00001054template<class ELFT>
1055void ELFDumper<ELFT>::printDynamicTable() {
Rafael Espindolae3f72232015-07-20 21:45:56 +00001056 auto I = Obj->dynamic_table_begin();
1057 auto E = Obj->dynamic_table_end();
Eric Christopher9cad53c2013-04-03 18:31:38 +00001058
Rafael Espindolae3f72232015-07-20 21:45:56 +00001059 if (I == E)
1060 return;
1061
1062 --E;
1063 while (I != E && E->getTag() == ELF::DT_NULL)
1064 --E;
1065 if (E->getTag() != ELF::DT_NULL)
1066 ++E;
1067 ++E;
1068
1069 ptrdiff_t Total = std::distance(I, E);
Simon Atanasyan28a11602014-06-04 05:51:44 +00001070 if (Total == 0)
Eric Christopher9cad53c2013-04-03 18:31:38 +00001071 return;
1072
Eric Christopher9cad53c2013-04-03 18:31:38 +00001073 raw_ostream &OS = W.getOStream();
1074 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1075
Michael J. Spencer126973b2013-08-08 22:27:13 +00001076 bool Is64 = ELFT::Is64Bits;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001077
1078 W.startLine()
1079 << " Tag" << (Is64 ? " " : " ") << "Type"
1080 << " " << "Name/Value\n";
Rafael Espindolae3f72232015-07-20 21:45:56 +00001081 while (I != E) {
1082 const typename ELFO::Elf_Dyn &Entry = *I;
1083 ++I;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001084 W.startLine()
1085 << " "
Simon Atanasyan28a11602014-06-04 05:51:44 +00001086 << format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Entry.getTag())
1087 << " " << format("%-21s", getTypeString(Entry.getTag()));
1088 printValue(Obj, Entry.getTag(), Entry.getVal(), Is64, OS);
Eric Christopher9cad53c2013-04-03 18:31:38 +00001089 OS << "\n";
1090 }
1091
1092 W.startLine() << "]\n";
1093}
1094
Eric Christopher9cad53c2013-04-03 18:31:38 +00001095template<class ELFT>
1096void ELFDumper<ELFT>::printNeededLibraries() {
1097 ListScope D(W, "NeededLibraries");
1098
Michael J. Spencer126973b2013-08-08 22:27:13 +00001099 typedef std::vector<StringRef> LibsTy;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001100 LibsTy Libs;
1101
Simon Atanasyan28a11602014-06-04 05:51:44 +00001102 for (const auto &Entry : Obj->dynamic_table())
1103 if (Entry.d_tag == ELF::DT_NEEDED)
Rafael Espindola00ddb142015-07-20 03:38:17 +00001104 Libs.push_back(getDynamicString(*Obj, Entry.d_un.d_val));
Eric Christopher9cad53c2013-04-03 18:31:38 +00001105
Michael J. Spencer126973b2013-08-08 22:27:13 +00001106 std::stable_sort(Libs.begin(), Libs.end());
Eric Christopher9cad53c2013-04-03 18:31:38 +00001107
Michael J. Spencer126973b2013-08-08 22:27:13 +00001108 for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end(); I != E; ++I) {
1109 outs() << " " << *I << "\n";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001110 }
1111}
Nico Rieckd6df0542013-04-12 04:07:39 +00001112
1113template<class ELFT>
1114void ELFDumper<ELFT>::printProgramHeaders() {
1115 ListScope L(W, "ProgramHeaders");
1116
Rafael Espindola073624b2015-07-20 13:35:33 +00001117 for (const typename ELFO::Elf_Phdr &Phdr : Obj->program_headers()) {
Nico Rieckd6df0542013-04-12 04:07:39 +00001118 DictScope P(W, "ProgramHeader");
Rafael Espindola073624b2015-07-20 13:35:33 +00001119 W.printHex("Type",
1120 getElfSegmentType(Obj->getHeader()->e_machine, Phdr.p_type),
1121 Phdr.p_type);
1122 W.printHex("Offset", Phdr.p_offset);
1123 W.printHex("VirtualAddress", Phdr.p_vaddr);
1124 W.printHex("PhysicalAddress", Phdr.p_paddr);
1125 W.printNumber("FileSize", Phdr.p_filesz);
1126 W.printNumber("MemSize", Phdr.p_memsz);
1127 W.printFlags("Flags", Phdr.p_flags, makeArrayRef(ElfSegmentFlags));
1128 W.printNumber("Alignment", Phdr.p_align);
Nico Rieckd6df0542013-04-12 04:07:39 +00001129 }
1130}
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001131
Michael J. Spencer20546ff2015-07-09 22:32:24 +00001132template <typename ELFT>
1133void ELFDumper<ELFT>::printHashTable() {
1134 DictScope D(W, "HashTable");
1135 auto HT = Obj->getHashTable();
1136 if (!HT)
1137 return;
1138 W.printNumber("Num Buckets", HT->nbucket);
1139 W.printNumber("Num Chains", HT->nchain);
1140 W.printList("Buckets", HT->buckets());
1141 W.printList("Chains", HT->chains());
1142}
1143
Rafael Espindola33e746f22015-07-21 13:48:41 +00001144template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
1145 outs() << "LoadName: " << Obj->getLoadName() << '\n';
1146}
1147
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001148template <class ELFT>
1149void ELFDumper<ELFT>::printAttributes() {
1150 W.startLine() << "Attributes not implemented.\n";
1151}
1152
1153namespace {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001154template <> void ELFDumper<ELFType<support::little, false>>::printAttributes() {
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001155 if (Obj->getHeader()->e_machine != EM_ARM) {
1156 W.startLine() << "Attributes not implemented.\n";
1157 return;
1158 }
1159
1160 DictScope BA(W, "BuildAttributes");
Rafael Espindola13e08772015-06-30 19:24:51 +00001161 for (const ELFO::Elf_Shdr &Sec : Obj->sections()) {
1162 if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001163 continue;
1164
Rafael Espindola13e08772015-06-30 19:24:51 +00001165 ErrorOr<ArrayRef<uint8_t>> Contents = Obj->getSectionContents(&Sec);
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001166 if (!Contents)
1167 continue;
1168
1169 if ((*Contents)[0] != ARMBuildAttrs::Format_Version) {
1170 errs() << "unrecognised FormatVersion: 0x" << utohexstr((*Contents)[0])
1171 << '\n';
1172 continue;
1173 }
1174
1175 W.printHex("FormatVersion", (*Contents)[0]);
1176 if (Contents->size() == 1)
1177 continue;
1178
1179 ARMAttributeParser(W).Parse(*Contents);
1180 }
1181}
1182}
1183
Simon Atanasyan80433902014-06-18 08:47:09 +00001184namespace {
1185template <class ELFT> class MipsGOTParser {
1186public:
1187 typedef object::ELFFile<ELFT> ObjectFile;
1188 typedef typename ObjectFile::Elf_Shdr Elf_Shdr;
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001189 typedef typename ObjectFile::Elf_Sym Elf_Sym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001190
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001191 MipsGOTParser(const ObjectFile *Obj, StreamWriter &W);
Simon Atanasyan80433902014-06-18 08:47:09 +00001192
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001193 void parseGOT();
1194 void parsePLT();
Simon Atanasyan80433902014-06-18 08:47:09 +00001195
1196private:
Simon Atanasyan80433902014-06-18 08:47:09 +00001197 typedef typename ObjectFile::Elf_Addr GOTEntry;
1198 typedef typename ObjectFile::template ELFEntityIterator<const GOTEntry>
1199 GOTIter;
1200
1201 const ObjectFile *Obj;
1202 StreamWriter &W;
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001203 llvm::Optional<uint64_t> DtPltGot;
1204 llvm::Optional<uint64_t> DtLocalGotNum;
1205 llvm::Optional<uint64_t> DtGotSym;
1206 llvm::Optional<uint64_t> DtMipsPltGot;
1207 llvm::Optional<uint64_t> DtJmpRel;
Simon Atanasyan80433902014-06-18 08:47:09 +00001208
Simon Atanasyanc217c402014-06-18 09:24:01 +00001209 std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
1210 GOTIter makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001211
Simon Atanasyan80433902014-06-18 08:47:09 +00001212 void printGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It);
1213 void printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It,
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001214 const Elf_Sym *Sym, bool IsDynamic);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001215 void printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt, GOTIter It,
1216 StringRef Purpose);
1217 void printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt, GOTIter It,
1218 const Elf_Sym *Sym);
Simon Atanasyan80433902014-06-18 08:47:09 +00001219};
1220}
1221
1222template <class ELFT>
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001223MipsGOTParser<ELFT>::MipsGOTParser(const ObjectFile *Obj, StreamWriter &W)
1224 : Obj(Obj), W(W) {
1225 for (const auto &Entry : Obj->dynamic_table()) {
1226 switch (Entry.getTag()) {
1227 case ELF::DT_PLTGOT:
1228 DtPltGot = Entry.getVal();
1229 break;
1230 case ELF::DT_MIPS_LOCAL_GOTNO:
1231 DtLocalGotNum = Entry.getVal();
1232 break;
1233 case ELF::DT_MIPS_GOTSYM:
1234 DtGotSym = Entry.getVal();
1235 break;
1236 case ELF::DT_MIPS_PLTGOT:
1237 DtMipsPltGot = Entry.getVal();
1238 break;
1239 case ELF::DT_JMPREL:
1240 DtJmpRel = Entry.getVal();
1241 break;
1242 }
1243 }
1244}
1245
1246template <class ELFT> void MipsGOTParser<ELFT>::parseGOT() {
Simon Atanasyan80433902014-06-18 08:47:09 +00001247 // See "Global Offset Table" in Chapter 5 in the following document
1248 // for detailed GOT description.
1249 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001250 if (!DtPltGot) {
1251 W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
1252 return;
1253 }
1254 if (!DtLocalGotNum) {
1255 W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
1256 return;
1257 }
1258 if (!DtGotSym) {
1259 W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
1260 return;
1261 }
Simon Atanasyan80433902014-06-18 08:47:09 +00001262
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001263 const Elf_Shdr *GOTShdr = findSectionByAddress(Obj, *DtPltGot);
1264 if (!GOTShdr) {
1265 W.startLine() << "There is no .got section in the file.\n";
1266 return;
1267 }
1268
1269 ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(GOTShdr);
Simon Atanasyan80433902014-06-18 08:47:09 +00001270 if (!GOT) {
1271 W.startLine() << "The .got section is empty.\n";
1272 return;
1273 }
1274
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001275 if (*DtLocalGotNum > getGOTTotal(*GOT)) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001276 W.startLine() << "MIPS_LOCAL_GOTNO exceeds a number of GOT entries.\n";
1277 return;
1278 }
1279
Rafael Espindola2b5f8412015-06-30 15:33:44 +00001280 const Elf_Sym *DynSymBegin = Obj->dynamic_symbol_begin();
1281 const Elf_Sym *DynSymEnd = Obj->dynamic_symbol_end();
Simon Atanasyan80433902014-06-18 08:47:09 +00001282 std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
1283
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001284 if (*DtGotSym > DynSymTotal) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001285 W.startLine() << "MIPS_GOTSYM exceeds a number of dynamic symbols.\n";
1286 return;
1287 }
1288
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001289 std::size_t GlobalGotNum = DynSymTotal - *DtGotSym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001290
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001291 if (*DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT)) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001292 W.startLine() << "Number of global GOT entries exceeds the size of GOT.\n";
1293 return;
1294 }
1295
Simon Atanasyanc217c402014-06-18 09:24:01 +00001296 GOTIter GotBegin = makeGOTIter(*GOT, 0);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001297 GOTIter GotLocalEnd = makeGOTIter(*GOT, *DtLocalGotNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001298 GOTIter It = GotBegin;
1299
1300 DictScope GS(W, "Primary GOT");
1301
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001302 W.printHex("Canonical gp value", GOTShdr->sh_addr + 0x7ff0);
Simon Atanasyan80433902014-06-18 08:47:09 +00001303 {
1304 ListScope RS(W, "Reserved entries");
1305
1306 {
1307 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001308 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
Simon Atanasyan80433902014-06-18 08:47:09 +00001309 W.printString("Purpose", StringRef("Lazy resolver"));
1310 }
1311
1312 if (It != GotLocalEnd && (*It >> (sizeof(GOTEntry) * 8 - 1)) != 0) {
1313 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001314 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
Simon Atanasyan80433902014-06-18 08:47:09 +00001315 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
1316 }
1317 }
1318 {
1319 ListScope LS(W, "Local entries");
1320 for (; It != GotLocalEnd; ++It) {
1321 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001322 printGotEntry(GOTShdr->sh_addr, GotBegin, It);
Simon Atanasyan80433902014-06-18 08:47:09 +00001323 }
1324 }
1325 {
1326 ListScope GS(W, "Global entries");
1327
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001328 GOTIter GotGlobalEnd = makeGOTIter(*GOT, *DtLocalGotNum + GlobalGotNum);
1329 const Elf_Sym *GotDynSym = DynSymBegin + *DtGotSym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001330 for (; It != GotGlobalEnd; ++It) {
1331 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001332 printGlobalGotEntry(GOTShdr->sh_addr, GotBegin, It, GotDynSym++, true);
Simon Atanasyan80433902014-06-18 08:47:09 +00001333 }
1334 }
1335
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001336 std::size_t SpecGotNum = getGOTTotal(*GOT) - *DtLocalGotNum - GlobalGotNum;
Simon Atanasyana4ba8ec2014-06-18 09:23:55 +00001337 W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
Simon Atanasyan80433902014-06-18 08:47:09 +00001338}
1339
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001340template <class ELFT> void MipsGOTParser<ELFT>::parsePLT() {
1341 if (!DtMipsPltGot) {
1342 W.startLine() << "Cannot find MIPS_PLTGOT dynamic table tag.\n";
1343 return;
1344 }
1345 if (!DtJmpRel) {
1346 W.startLine() << "Cannot find JMPREL dynamic table tag.\n";
1347 return;
1348 }
1349
1350 const Elf_Shdr *PLTShdr = findSectionByAddress(Obj, *DtMipsPltGot);
1351 if (!PLTShdr) {
1352 W.startLine() << "There is no .got.plt section in the file.\n";
1353 return;
1354 }
1355 ErrorOr<ArrayRef<uint8_t>> PLT = Obj->getSectionContents(PLTShdr);
1356 if (!PLT) {
1357 W.startLine() << "The .got.plt section is empty.\n";
1358 return;
1359 }
1360
1361 const Elf_Shdr *PLTRelShdr = findSectionByAddress(Obj, *DtJmpRel);
1362 if (!PLTShdr) {
1363 W.startLine() << "There is no .rel.plt section in the file.\n";
1364 return;
1365 }
1366
1367 GOTIter PLTBegin = makeGOTIter(*PLT, 0);
1368 GOTIter PLTEnd = makeGOTIter(*PLT, getGOTTotal(*PLT));
1369 GOTIter It = PLTBegin;
1370
1371 DictScope GS(W, "PLT GOT");
1372 {
1373 ListScope RS(W, "Reserved entries");
1374 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "PLT lazy resolver");
1375 if (It != PLTEnd)
1376 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "Module pointer");
1377 }
1378 {
1379 ListScope GS(W, "Entries");
1380
1381 switch (PLTRelShdr->sh_type) {
1382 case ELF::SHT_REL:
Rafael Espindola33f25092015-07-20 20:07:50 +00001383 for (const typename ObjectFile::Elf_Rel *RI = Obj->rel_begin(PLTRelShdr),
1384 *RE = Obj->rel_end(PLTRelShdr);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001385 RI != RE && It != PLTEnd; ++RI, ++It) {
1386 const Elf_Sym *Sym =
1387 Obj->getRelocationSymbol(&*PLTRelShdr, &*RI).second;
1388 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, Sym);
1389 }
1390 break;
1391 case ELF::SHT_RELA:
Rafael Espindola33f25092015-07-20 20:07:50 +00001392 for (const typename ObjectFile::Elf_Rela
1393 *RI = Obj->rela_begin(PLTRelShdr),
1394 *RE = Obj->rela_end(PLTRelShdr);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001395 RI != RE && It != PLTEnd; ++RI, ++It) {
1396 const Elf_Sym *Sym =
1397 Obj->getRelocationSymbol(&*PLTRelShdr, &*RI).second;
1398 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, Sym);
1399 }
1400 break;
1401 }
1402 }
1403}
1404
Simon Atanasyan80433902014-06-18 08:47:09 +00001405template <class ELFT>
Simon Atanasyanc217c402014-06-18 09:24:01 +00001406std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
Simon Atanasyan80433902014-06-18 08:47:09 +00001407 return GOT.size() / sizeof(GOTEntry);
1408}
1409
1410template <class ELFT>
1411typename MipsGOTParser<ELFT>::GOTIter
Simon Atanasyanc217c402014-06-18 09:24:01 +00001412MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001413 const char *Data = reinterpret_cast<const char *>(GOT.data());
1414 return GOTIter(sizeof(GOTEntry), Data + EntryNum * sizeof(GOTEntry));
1415}
1416
1417template <class ELFT>
Simon Atanasyan80433902014-06-18 08:47:09 +00001418void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr, GOTIter BeginIt,
1419 GOTIter It) {
1420 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1421 W.printHex("Address", GotAddr + Offset);
1422 W.printNumber("Access", Offset - 0x7ff0);
1423 W.printHex("Initial", *It);
1424}
1425
1426template <class ELFT>
1427void MipsGOTParser<ELFT>::printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt,
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001428 GOTIter It, const Elf_Sym *Sym,
1429 bool IsDynamic) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001430 printGotEntry(GotAddr, BeginIt, It);
1431
1432 W.printHex("Value", Sym->st_value);
1433 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1434
1435 unsigned SectionIndex = 0;
1436 StringRef SectionName;
1437 getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
1438 W.printHex("Section", SectionName, SectionIndex);
1439
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001440 std::string FullSymbolName = getFullSymbolName(*Obj, Sym, IsDynamic);
Simon Atanasyan80433902014-06-18 08:47:09 +00001441 W.printNumber("Name", FullSymbolName, Sym->st_name);
1442}
1443
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001444template <class ELFT>
1445void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt,
1446 GOTIter It, StringRef Purpose) {
1447 DictScope D(W, "Entry");
1448 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1449 W.printHex("Address", PLTAddr + Offset);
1450 W.printHex("Initial", *It);
1451 W.printString("Purpose", Purpose);
1452}
1453
1454template <class ELFT>
1455void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt,
1456 GOTIter It, const Elf_Sym *Sym) {
1457 DictScope D(W, "Entry");
1458 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1459 W.printHex("Address", PLTAddr + Offset);
1460 W.printHex("Initial", *It);
1461 W.printHex("Value", Sym->st_value);
1462 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1463
1464 unsigned SectionIndex = 0;
1465 StringRef SectionName;
1466 getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
1467 W.printHex("Section", SectionName, SectionIndex);
1468
1469 std::string FullSymbolName = getFullSymbolName(*Obj, Sym, true);
1470 W.printNumber("Name", FullSymbolName, Sym->st_name);
1471}
1472
Simon Atanasyan80433902014-06-18 08:47:09 +00001473template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
1474 if (Obj->getHeader()->e_machine != EM_MIPS) {
1475 W.startLine() << "MIPS PLT GOT is available for MIPS targets only.\n";
1476 return;
1477 }
1478
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001479 MipsGOTParser<ELFT> GOTParser(Obj, W);
1480 GOTParser.parseGOT();
1481 GOTParser.parsePLT();
Simon Atanasyan80433902014-06-18 08:47:09 +00001482}
Simon Atanasyanc914de22015-05-07 15:40:35 +00001483
1484static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
1485 {"None", Mips::AFL_EXT_NONE},
1486 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
1487 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
1488 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
1489 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
1490 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
1491 {"LSI R4010", Mips::AFL_EXT_4010},
1492 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
1493 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
1494 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
1495 {"MIPS R4650", Mips::AFL_EXT_4650},
1496 {"MIPS R5900", Mips::AFL_EXT_5900},
1497 {"MIPS R10000", Mips::AFL_EXT_10000},
1498 {"NEC VR4100", Mips::AFL_EXT_4100},
1499 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
1500 {"NEC VR4120", Mips::AFL_EXT_4120},
1501 {"NEC VR5400", Mips::AFL_EXT_5400},
1502 {"NEC VR5500", Mips::AFL_EXT_5500},
1503 {"RMI Xlr", Mips::AFL_EXT_XLR},
1504 {"Toshiba R3900", Mips::AFL_EXT_3900}
1505};
1506
1507static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
1508 {"DSP", Mips::AFL_ASE_DSP},
1509 {"DSPR2", Mips::AFL_ASE_DSPR2},
1510 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
1511 {"MCU", Mips::AFL_ASE_MCU},
1512 {"MDMX", Mips::AFL_ASE_MDMX},
1513 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
1514 {"MT", Mips::AFL_ASE_MT},
1515 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
1516 {"VZ", Mips::AFL_ASE_VIRT},
1517 {"MSA", Mips::AFL_ASE_MSA},
1518 {"MIPS16", Mips::AFL_ASE_MIPS16},
1519 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
1520 {"XPA", Mips::AFL_ASE_XPA}
1521};
1522
1523static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
1524 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
1525 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
1526 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
1527 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
1528 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
1529 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
1530 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
1531 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
1532 {"Hard float compat (32-bit CPU, 64-bit FPU)",
1533 Mips::Val_GNU_MIPS_ABI_FP_64A}
1534};
1535
1536static const EnumEntry<unsigned> ElfMipsFlags1[] {
1537 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
1538};
1539
1540static int getMipsRegisterSize(uint8_t Flag) {
1541 switch (Flag) {
1542 case Mips::AFL_REG_NONE:
1543 return 0;
1544 case Mips::AFL_REG_32:
1545 return 32;
1546 case Mips::AFL_REG_64:
1547 return 64;
1548 case Mips::AFL_REG_128:
1549 return 128;
1550 default:
1551 return -1;
1552 }
1553}
1554
1555template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
1556 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
1557 if (!Shdr) {
1558 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
1559 return;
1560 }
1561 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1562 if (!Sec) {
1563 W.startLine() << "The .MIPS.abiflags section is empty.\n";
1564 return;
1565 }
1566 if (Sec->size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
1567 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
1568 return;
1569 }
1570
1571 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec->data());
1572
1573 raw_ostream &OS = W.getOStream();
1574 DictScope GS(W, "MIPS ABI Flags");
1575
1576 W.printNumber("Version", Flags->version);
1577 W.startLine() << "ISA: ";
1578 if (Flags->isa_rev <= 1)
1579 OS << format("MIPS%u", Flags->isa_level);
1580 else
1581 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
1582 OS << "\n";
1583 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
1584 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
1585 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
1586 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
1587 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
1588 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
1589 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
1590 W.printHex("Flags 2", Flags->flags2);
1591}
Simon Atanasyan6e07e932015-06-16 21:47:43 +00001592
1593template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
1594 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
1595 if (!Shdr) {
1596 W.startLine() << "There is no .reginfo section in the file.\n";
1597 return;
1598 }
1599 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1600 if (!Sec) {
1601 W.startLine() << "The .reginfo section is empty.\n";
1602 return;
1603 }
1604 if (Sec->size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
1605 W.startLine() << "The .reginfo section has a wrong size.\n";
1606 return;
1607 }
1608
1609 auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec->data());
1610
1611 DictScope GS(W, "MIPS RegInfo");
1612 W.printHex("GP", Reginfo->ri_gp_value);
1613 W.printHex("General Mask", Reginfo->ri_gprmask);
1614 W.printHex("Co-Proc Mask0", Reginfo->ri_cprmask[0]);
1615 W.printHex("Co-Proc Mask1", Reginfo->ri_cprmask[1]);
1616 W.printHex("Co-Proc Mask2", Reginfo->ri_cprmask[2]);
1617 W.printHex("Co-Proc Mask3", Reginfo->ri_cprmask[3]);
1618}
Lang Hames0000afd2015-06-26 23:56:53 +00001619
1620template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
1621 const typename ELFFile<ELFT>::Elf_Shdr *StackMapSection = nullptr;
1622 for (const auto &Sec : Obj->sections()) {
1623 ErrorOr<StringRef> Name = Obj->getSectionName(&Sec);
1624 if (*Name == ".llvm_stackmaps") {
1625 StackMapSection = &Sec;
1626 break;
1627 }
1628 }
1629
1630 if (!StackMapSection)
1631 return;
1632
1633 StringRef StackMapContents;
1634 ErrorOr<ArrayRef<uint8_t>> StackMapContentsArray =
1635 Obj->getSectionContents(StackMapSection);
1636
1637 prettyPrintStackMap(
1638 llvm::outs(),
1639 StackMapV1Parser<ELFT::TargetEndianness>(*StackMapContentsArray));
1640}