blob: 44df3a8def5d95bc5237487843538c886832673b [file] [log] [blame]
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;
Rafael Espindolac7b0ee22015-07-21 19:38:32 +0000137 ErrorOr<StringRef> Version = Obj.getSymbolVersion(&*Symbol, IsDefault);
Simon Atanasyan414736e2014-06-10 05:59:15 +0000138 if (Version) {
139 FullSymbolName += (IsDefault ? "@@" : "@");
140 FullSymbolName += *Version;
141 } else
142 error(Version.getError());
143 return FullSymbolName;
144}
145
146template <typename ELFO>
147static void
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000148getSectionNameIndex(const ELFO &Obj, const typename ELFO::Elf_Sym *Symbol,
Simon Atanasyan414736e2014-06-10 05:59:15 +0000149 StringRef &SectionName, unsigned &SectionIndex) {
150 SectionIndex = Symbol->st_shndx;
Davide Italiano056decb2015-06-08 04:55:29 +0000151 if (Symbol->isUndefined())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000152 SectionName = "Undefined";
Davide Italiano056decb2015-06-08 04:55:29 +0000153 else if (Symbol->isProcessorSpecific())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000154 SectionName = "Processor Specific";
Davide Italiano056decb2015-06-08 04:55:29 +0000155 else if (Symbol->isOSSpecific())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000156 SectionName = "Operating System Specific";
Davide Italiano056decb2015-06-08 04:55:29 +0000157 else if (Symbol->isAbsolute())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000158 SectionName = "Absolute";
Davide Italiano056decb2015-06-08 04:55:29 +0000159 else if (Symbol->isCommon())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000160 SectionName = "Common";
Rafael Espindolac74ac022015-06-12 17:23:39 +0000161 else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
162 SectionName = "Reserved";
Davide Italiano056decb2015-06-08 04:55:29 +0000163 else {
Simon Atanasyan414736e2014-06-10 05:59:15 +0000164 if (SectionIndex == SHN_XINDEX)
Rafael Espindolad68fb742015-06-24 14:48:54 +0000165 SectionIndex = Obj.getExtendedSymbolTableIndex(&*Symbol);
Rafael Espindola6def3042015-07-01 12:56:27 +0000166 ErrorOr<const typename ELFO::Elf_Shdr *> Sec = Obj.getSection(SectionIndex);
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000167 error(Sec.getError());
168 SectionName = errorOrDefault(Obj.getSectionName(*Sec));
Simon Atanasyan414736e2014-06-10 05:59:15 +0000169 }
170}
171
Simon Atanasyan80433902014-06-18 08:47:09 +0000172template <class ELFT>
173static const typename ELFFile<ELFT>::Elf_Shdr *
174findSectionByAddress(const ELFFile<ELFT> *Obj, uint64_t Addr) {
175 for (const auto &Shdr : Obj->sections())
176 if (Shdr.sh_addr == Addr)
177 return &Shdr;
178 return nullptr;
179}
180
Simon Atanasyanc914de22015-05-07 15:40:35 +0000181template <class ELFT>
182static const typename ELFFile<ELFT>::Elf_Shdr *
183findSectionByName(const ELFFile<ELFT> &Obj, StringRef Name) {
184 for (const auto &Shdr : Obj.sections()) {
185 if (Name == errorOrDefault(Obj.getSectionName(&Shdr)))
186 return &Shdr;
187 }
188 return nullptr;
189}
190
Eric Christopher9cad53c2013-04-03 18:31:38 +0000191static const EnumEntry<unsigned> ElfClass[] = {
192 { "None", ELF::ELFCLASSNONE },
193 { "32-bit", ELF::ELFCLASS32 },
194 { "64-bit", ELF::ELFCLASS64 },
195};
196
197static const EnumEntry<unsigned> ElfDataEncoding[] = {
198 { "None", ELF::ELFDATANONE },
199 { "LittleEndian", ELF::ELFDATA2LSB },
200 { "BigEndian", ELF::ELFDATA2MSB },
201};
202
203static const EnumEntry<unsigned> ElfObjectFileType[] = {
204 { "None", ELF::ET_NONE },
205 { "Relocatable", ELF::ET_REL },
206 { "Executable", ELF::ET_EXEC },
207 { "SharedObject", ELF::ET_DYN },
208 { "Core", ELF::ET_CORE },
209};
210
211static const EnumEntry<unsigned> ElfOSABI[] = {
212 { "SystemV", ELF::ELFOSABI_NONE },
213 { "HPUX", ELF::ELFOSABI_HPUX },
214 { "NetBSD", ELF::ELFOSABI_NETBSD },
215 { "GNU/Linux", ELF::ELFOSABI_LINUX },
216 { "GNU/Hurd", ELF::ELFOSABI_HURD },
217 { "Solaris", ELF::ELFOSABI_SOLARIS },
218 { "AIX", ELF::ELFOSABI_AIX },
219 { "IRIX", ELF::ELFOSABI_IRIX },
220 { "FreeBSD", ELF::ELFOSABI_FREEBSD },
221 { "TRU64", ELF::ELFOSABI_TRU64 },
222 { "Modesto", ELF::ELFOSABI_MODESTO },
223 { "OpenBSD", ELF::ELFOSABI_OPENBSD },
224 { "OpenVMS", ELF::ELFOSABI_OPENVMS },
225 { "NSK", ELF::ELFOSABI_NSK },
226 { "AROS", ELF::ELFOSABI_AROS },
227 { "FenixOS", ELF::ELFOSABI_FENIXOS },
Ed Schoutendae71892015-03-09 18:40:45 +0000228 { "CloudABI", ELF::ELFOSABI_CLOUDABI },
Eric Christopher9cad53c2013-04-03 18:31:38 +0000229 { "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
230 { "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
231 { "ARM", ELF::ELFOSABI_ARM },
232 { "Standalone" , ELF::ELFOSABI_STANDALONE }
233};
234
235static const EnumEntry<unsigned> ElfMachineType[] = {
236 LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
237 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
238 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
239 LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
240 LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
241 LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
Rafael Espindola9fed2502015-06-19 14:34:12 +0000242 LLVM_READOBJ_ENUM_ENT(ELF, EM_IAMCU ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000243 LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
244 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
245 LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
246 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
247 LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
248 LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
249 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
250 LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
251 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
252 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
253 LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
254 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
255 LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
256 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
257 LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
258 LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
259 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
260 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
261 LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
262 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
263 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
264 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
265 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
266 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
267 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
268 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
269 LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
270 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
271 LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
272 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
273 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
274 LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
275 LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
276 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
277 LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
278 LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
279 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
280 LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
281 LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
282 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
283 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
284 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
285 LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
286 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
287 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
288 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
289 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
290 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
291 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
292 LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
293 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
294 LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
295 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
296 LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
297 LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
298 LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
299 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
300 LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
301 LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
302 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
303 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
304 LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
305 LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
306 LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
307 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
308 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
309 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
310 LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
311 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
312 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
313 LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
314 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
315 LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
316 LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
317 LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
318 LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
319 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
320 LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
321 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
322 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
323 LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
324 LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
325 LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
326 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
327 LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
328 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
329 LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
330 LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
331 LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
332 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
333 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
334 LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
335 LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
336 LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
337 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
338 LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
339 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
340 LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
341 LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
342 LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
343 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
344 LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
345 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
346 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
347 LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
348 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
349 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
350 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
351 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
352 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
353 LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
354 LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
355 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
356 LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
357 LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
358 LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
359 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
360 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
361 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
362 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
363 LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
364 LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
365 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
366 LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
367 LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
368 LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
369 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
370 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
371 LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
372 LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
373 LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
374 LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
375 LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
376 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
377 LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
378 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
379 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000380 LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
381 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
382 LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
383 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
384 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
385 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
386 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
387 LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
388 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
389 LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
Tom Stellard24288b82015-06-22 21:03:47 +0000390 LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX ),
391 LLVM_READOBJ_ENUM_ENT(ELF, EM_AMDGPU )
Eric Christopher9cad53c2013-04-03 18:31:38 +0000392};
393
394static const EnumEntry<unsigned> ElfSymbolBindings[] = {
Rafael Espindola5fa925e2015-01-23 04:44:35 +0000395 { "Local", ELF::STB_LOCAL },
396 { "Global", ELF::STB_GLOBAL },
397 { "Weak", ELF::STB_WEAK },
398 { "Unique", ELF::STB_GNU_UNIQUE }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000399};
400
401static const EnumEntry<unsigned> ElfSymbolTypes[] = {
402 { "None", ELF::STT_NOTYPE },
403 { "Object", ELF::STT_OBJECT },
404 { "Function", ELF::STT_FUNC },
405 { "Section", ELF::STT_SECTION },
406 { "File", ELF::STT_FILE },
407 { "Common", ELF::STT_COMMON },
408 { "TLS", ELF::STT_TLS },
409 { "GNU_IFunc", ELF::STT_GNU_IFUNC }
410};
411
412static const char *getElfSectionType(unsigned Arch, unsigned Type) {
413 switch (Arch) {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000414 case ELF::EM_ARM:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000415 switch (Type) {
416 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
417 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
418 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
419 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
420 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
421 }
Michael J. Spencer126973b2013-08-08 22:27:13 +0000422 case ELF::EM_HEXAGON:
423 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
424 case ELF::EM_X86_64:
425 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
426 case ELF::EM_MIPS:
427 case ELF::EM_MIPS_RS3_LE:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000428 switch (Type) {
429 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
430 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
Simon Atanasyan1cd169f2014-07-13 15:28:54 +0000431 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_ABIFLAGS);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000432 }
433 }
434
435 switch (Type) {
436 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
437 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
438 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
439 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
440 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
441 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
442 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
443 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
444 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
445 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
446 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
447 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
448 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
449 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
450 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
451 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
452 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
453 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
454 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
455 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
456 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
457 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
458 default: return "";
459 }
460}
461
462static const EnumEntry<unsigned> ElfSectionFlags[] = {
463 LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
464 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
Benjamin Kramerac511ca2013-09-15 19:53:20 +0000465 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXCLUDE ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000466 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
467 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
468 LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
469 LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
470 LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
471 LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
472 LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
473 LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
474 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
475 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
476 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
477};
478
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000479static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
480 // Check potentially overlapped processor-specific
481 // program header type.
482 switch (Arch) {
483 case ELF::EM_ARM:
484 switch (Type) {
485 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
486 }
487 case ELF::EM_MIPS:
488 case ELF::EM_MIPS_RS3_LE:
489 switch (Type) {
490 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
491 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
492 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
Simon Atanasyaneeb2fa92015-05-15 15:59:22 +0000493 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000494 }
495 }
Nico Rieckd6df0542013-04-12 04:07:39 +0000496
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000497 switch (Type) {
498 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
499 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
500 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
501 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
502 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
503 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
504 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
505 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
Nico Rieckd6df0542013-04-12 04:07:39 +0000506
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000507 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
508 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
Nico Rieckd6df0542013-04-12 04:07:39 +0000509
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000510 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
511 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
512 default: return "";
513 }
514}
Nico Rieckd6df0542013-04-12 04:07:39 +0000515
516static const EnumEntry<unsigned> ElfSegmentFlags[] = {
517 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
518 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
519 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
520};
521
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000522static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
523 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NOREORDER),
524 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_PIC),
525 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
526 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
527 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000528 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_FP64),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000529 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
530 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000531 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O64),
532 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI32),
533 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI64),
Simon Atanasyan40e7eb12015-05-08 07:04:59 +0000534 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_3900),
535 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4010),
536 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4100),
537 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4650),
538 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4120),
539 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4111),
540 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_SB1),
541 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON),
542 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_XLR),
543 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON2),
544 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON3),
545 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5400),
546 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5900),
547 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5500),
548 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_9000),
549 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2E),
550 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2F),
551 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS3A),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000552 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
553 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000554 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_MDMX),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000555 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
556 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
557 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
558 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_4),
559 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_5),
560 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32),
561 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64),
562 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R2),
Simon Atanasyan9cb40902014-05-20 09:27:49 +0000563 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R2),
564 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R6),
565 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R6)
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000566};
567
Eric Christopher9cad53c2013-04-03 18:31:38 +0000568template<class ELFT>
569void ELFDumper<ELFT>::printFileHeaders() {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000570 const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000571
572 {
573 DictScope D(W, "ElfHeader");
574 {
575 DictScope D(W, "Ident");
576 W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
577 4));
578 W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
579 makeArrayRef(ElfClass));
580 W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
581 makeArrayRef(ElfDataEncoding));
582 W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
Tom Stellard91efe9c2015-06-26 21:15:11 +0000583
584 // Handle architecture specific OS/ABI values.
585 if (Header->e_machine == ELF::EM_AMDGPU &&
586 Header->e_ident[ELF::EI_OSABI] == ELF::ELFOSABI_AMDGPU_HSA)
587 W.printHex("OS/ABI", "AMDGPU_HSA", ELF::ELFOSABI_AMDGPU_HSA);
588 else
589 W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
Eric Christopher9cad53c2013-04-03 18:31:38 +0000590 makeArrayRef(ElfOSABI));
591 W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
592 W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
593 }
594
595 W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
596 W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
597 W.printNumber("Version", Header->e_version);
598 W.printHex ("Entry", Header->e_entry);
599 W.printHex ("ProgramHeaderOffset", Header->e_phoff);
600 W.printHex ("SectionHeaderOffset", Header->e_shoff);
Simon Atanasyan80070b52014-05-01 11:57:40 +0000601 if (Header->e_machine == EM_MIPS)
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000602 W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
Simon Atanasyan40e7eb12015-05-08 07:04:59 +0000603 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
604 unsigned(ELF::EF_MIPS_MACH));
Simon Atanasyan80070b52014-05-01 11:57:40 +0000605 else
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000606 W.printFlags("Flags", Header->e_flags);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000607 W.printNumber("HeaderSize", Header->e_ehsize);
608 W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
609 W.printNumber("ProgramHeaderCount", Header->e_phnum);
610 W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
611 W.printNumber("SectionHeaderCount", Header->e_shnum);
612 W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
613 }
614}
615
616template<class ELFT>
617void ELFDumper<ELFT>::printSections() {
618 ListScope SectionsD(W, "Sections");
619
620 int SectionIndex = -1;
Rafael Espindola13e08772015-06-30 19:24:51 +0000621 for (const typename ELFO::Elf_Shdr &Sec : Obj->sections()) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000622 ++SectionIndex;
623
Rafael Espindola13e08772015-06-30 19:24:51 +0000624 StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000625
626 DictScope SectionD(W, "Section");
627 W.printNumber("Index", SectionIndex);
Rafael Espindola13e08772015-06-30 19:24:51 +0000628 W.printNumber("Name", Name, Sec.sh_name);
Michael J. Spencer126973b2013-08-08 22:27:13 +0000629 W.printHex("Type",
Rafael Espindola13e08772015-06-30 19:24:51 +0000630 getElfSectionType(Obj->getHeader()->e_machine, Sec.sh_type),
631 Sec.sh_type);
632 W.printFlags("Flags", Sec.sh_flags, makeArrayRef(ElfSectionFlags));
633 W.printHex("Address", Sec.sh_addr);
634 W.printHex("Offset", Sec.sh_offset);
635 W.printNumber("Size", Sec.sh_size);
636 W.printNumber("Link", Sec.sh_link);
637 W.printNumber("Info", Sec.sh_info);
638 W.printNumber("AddressAlignment", Sec.sh_addralign);
639 W.printNumber("EntrySize", Sec.sh_entsize);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000640
641 if (opts::SectionRelocations) {
642 ListScope D(W, "Relocations");
Rafael Espindola13e08772015-06-30 19:24:51 +0000643 printRelocations(&Sec);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000644 }
645
646 if (opts::SectionSymbols) {
647 ListScope D(W, "Symbols");
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000648 const Elf_Shdr *Symtab = Obj->getDotSymtabSec();
649 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
650 error(StrTableOrErr.getError());
651 StringRef StrTable = *StrTableOrErr;
652
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000653 for (const typename ELFO::Elf_Sym &Sym : Obj->symbols()) {
Rafael Espindola6def3042015-07-01 12:56:27 +0000654 ErrorOr<const Elf_Shdr *> SymSec = Obj->getSection(&Sym);
655 if (!SymSec)
656 continue;
657 if (*SymSec == &Sec)
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000658 printSymbol(&Sym, StrTable, false);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000659 }
660 }
661
Rafael Espindola13e08772015-06-30 19:24:51 +0000662 if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
663 ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(&Sec));
Michael J. Spencer126973b2013-08-08 22:27:13 +0000664 W.printBinaryBlock("SectionData",
665 StringRef((const char *)Data.data(), Data.size()));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000666 }
667 }
668}
669
670template<class ELFT>
671void ELFDumper<ELFT>::printRelocations() {
672 ListScope D(W, "Relocations");
673
Eric Christopher9cad53c2013-04-03 18:31:38 +0000674 int SectionNumber = -1;
Rafael Espindola13e08772015-06-30 19:24:51 +0000675 for (const typename ELFO::Elf_Shdr &Sec : Obj->sections()) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000676 ++SectionNumber;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000677
Rafael Espindola13e08772015-06-30 19:24:51 +0000678 if (Sec.sh_type != ELF::SHT_REL && Sec.sh_type != ELF::SHT_RELA)
Eric Christopher9cad53c2013-04-03 18:31:38 +0000679 continue;
680
Rafael Espindola13e08772015-06-30 19:24:51 +0000681 StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000682
Michael J. Spencer126973b2013-08-08 22:27:13 +0000683 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
684 W.indent();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000685
Rafael Espindola13e08772015-06-30 19:24:51 +0000686 printRelocations(&Sec);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000687
Michael J. Spencer126973b2013-08-08 22:27:13 +0000688 W.unindent();
689 W.startLine() << "}\n";
Eric Christopher9cad53c2013-04-03 18:31:38 +0000690 }
691}
692
Michael J. Spencer594c0282015-06-25 21:47:32 +0000693template<class ELFT>
694void ELFDumper<ELFT>::printDynamicRelocations() {
695 W.startLine() << "Dynamic Relocations {\n";
696 W.indent();
Rafael Espindola8e54b3e2015-07-21 16:26:21 +0000697 StringRef StringTable = Obj->getDynamicStringTable();
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 Espindola8e54b3e2015-07-21 16:26:21 +0000704 SymbolName = errorOrDefault(Sym->getName(StringTable));
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 Espindola5ab87a32015-07-21 16:05:53 +0000758 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*SymTable);
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000759 error(StrTableOrErr.getError());
760 TargetName = errorOrDefault(Sym.second->getName(*StrTableOrErr));
Rafael Espindola75d5b542015-06-03 05:14:22 +0000761 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000762
Nico Rieckf3f0b792013-04-12 04:01:52 +0000763 if (opts::ExpandRelocs) {
764 DictScope Group(W, "Relocation");
Michael J. Spencer126973b2013-08-08 22:27:13 +0000765 W.printHex("Offset", Rel.r_offset);
766 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
Rafael Espindola75d5b542015-06-03 05:14:22 +0000767 W.printNumber("Symbol", TargetName.size() > 0 ? TargetName : "-",
Rafael Espindola0eb2cec2014-10-17 01:34:23 +0000768 Rel.getSymbol(Obj->isMips64EL()));
Michael J. Spencer126973b2013-08-08 22:27:13 +0000769 W.printHex("Addend", Rel.r_addend);
Nico Rieckf3f0b792013-04-12 04:01:52 +0000770 } else {
771 raw_ostream& OS = W.startLine();
Rafael Espindola75d5b542015-06-03 05:14:22 +0000772 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
773 << (TargetName.size() > 0 ? TargetName : "-") << " "
774 << W.hex(Rel.r_addend) << "\n";
Nico Rieckf3f0b792013-04-12 04:01:52 +0000775 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000776}
777
778template<class ELFT>
779void ELFDumper<ELFT>::printSymbols() {
780 ListScope Group(W, "Symbols");
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000781
782 const Elf_Shdr *Symtab = Obj->getDotSymtabSec();
783 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
784 error(StrTableOrErr.getError());
785 StringRef StrTable = *StrTableOrErr;
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000786 for (const typename ELFO::Elf_Sym &Sym : Obj->symbols())
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000787 printSymbol(&Sym, StrTable, false);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000788}
789
790template<class ELFT>
791void ELFDumper<ELFT>::printDynamicSymbols() {
792 ListScope Group(W, "DynamicSymbols");
793
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000794 const Elf_Shdr *Symtab = Obj->getDotDynSymSec();
795 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
796 error(StrTableOrErr.getError());
797 StringRef StrTable = *StrTableOrErr;
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000798 for (const typename ELFO::Elf_Sym &Sym : Obj->dynamic_symbols())
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000799 printSymbol(&Sym, StrTable, true);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000800}
801
Michael J. Spencer126973b2013-08-08 22:27:13 +0000802template <class ELFT>
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000803void ELFDumper<ELFT>::printSymbol(const typename ELFO::Elf_Sym *Symbol,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000804 StringRef StrTable, bool IsDynamic) {
Simon Atanasyan414736e2014-06-10 05:59:15 +0000805 unsigned SectionIndex = 0;
Rafael Espindolacfee7ef2014-03-24 05:00:34 +0000806 StringRef SectionName;
Simon Atanasyan414736e2014-06-10 05:59:15 +0000807 getSectionNameIndex(*Obj, Symbol, SectionName, SectionIndex);
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000808 std::string FullSymbolName =
809 getFullSymbolName(*Obj, Symbol, StrTable, IsDynamic);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000810
811 DictScope D(W, "Symbol");
812 W.printNumber("Name", FullSymbolName, Symbol->st_name);
813 W.printHex ("Value", Symbol->st_value);
814 W.printNumber("Size", Symbol->st_size);
815 W.printEnum ("Binding", Symbol->getBinding(),
816 makeArrayRef(ElfSymbolBindings));
817 W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
818 W.printNumber("Other", Symbol->st_other);
Rafael Espindola10be0832014-03-25 23:44:25 +0000819 W.printHex("Section", SectionName, SectionIndex);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000820}
821
822#define LLVM_READOBJ_TYPE_CASE(name) \
823 case DT_##name: return #name
824
825static const char *getTypeString(uint64_t Type) {
826 switch (Type) {
827 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
828 LLVM_READOBJ_TYPE_CASE(DEBUG);
829 LLVM_READOBJ_TYPE_CASE(FINI);
830 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
831 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
832 LLVM_READOBJ_TYPE_CASE(FLAGS);
Davide Italianof071bd02015-05-25 19:12:18 +0000833 LLVM_READOBJ_TYPE_CASE(FLAGS_1);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000834 LLVM_READOBJ_TYPE_CASE(HASH);
835 LLVM_READOBJ_TYPE_CASE(INIT);
836 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
837 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
838 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
839 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
840 LLVM_READOBJ_TYPE_CASE(JMPREL);
841 LLVM_READOBJ_TYPE_CASE(NEEDED);
842 LLVM_READOBJ_TYPE_CASE(NULL);
843 LLVM_READOBJ_TYPE_CASE(PLTGOT);
844 LLVM_READOBJ_TYPE_CASE(PLTREL);
845 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
846 LLVM_READOBJ_TYPE_CASE(REL);
847 LLVM_READOBJ_TYPE_CASE(RELA);
848 LLVM_READOBJ_TYPE_CASE(RELENT);
849 LLVM_READOBJ_TYPE_CASE(RELSZ);
850 LLVM_READOBJ_TYPE_CASE(RELAENT);
851 LLVM_READOBJ_TYPE_CASE(RELASZ);
852 LLVM_READOBJ_TYPE_CASE(RPATH);
853 LLVM_READOBJ_TYPE_CASE(RUNPATH);
854 LLVM_READOBJ_TYPE_CASE(SONAME);
855 LLVM_READOBJ_TYPE_CASE(STRSZ);
856 LLVM_READOBJ_TYPE_CASE(STRTAB);
857 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
858 LLVM_READOBJ_TYPE_CASE(SYMENT);
859 LLVM_READOBJ_TYPE_CASE(SYMTAB);
860 LLVM_READOBJ_TYPE_CASE(TEXTREL);
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000861 LLVM_READOBJ_TYPE_CASE(VERNEED);
862 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
863 LLVM_READOBJ_TYPE_CASE(VERSYM);
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000864 LLVM_READOBJ_TYPE_CASE(RELCOUNT);
865 LLVM_READOBJ_TYPE_CASE(GNU_HASH);
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000866 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
867 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
868 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
869 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
870 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
871 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
872 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
Simon Atanasyan728d2162014-01-05 13:40:27 +0000873 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
874 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
Simon Atanasyan2da3eb12015-04-20 05:34:48 +0000875 LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000876 default: return "unknown";
877 }
878}
879
880#undef LLVM_READOBJ_TYPE_CASE
881
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000882#define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
883 { #enum, prefix##_##enum }
884
885static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
886 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
887 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
888 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
889 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
890 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
891};
892
Davide Italianof071bd02015-05-25 19:12:18 +0000893static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
894 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
895 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
896 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
897 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
898 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
899 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
900 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
901 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
902 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
903 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
904 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
905 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
906 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
907 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
908 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
909 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
910 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
911 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
912 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
913 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
914 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
915 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
916 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
917 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
918 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
919};
920
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000921static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
922 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
923 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
924 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
925 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
926 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
927 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
928 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
929 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
930 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
931 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
932 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
933 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
934 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
935 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
936 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
937 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
938};
939
940#undef LLVM_READOBJ_DT_FLAG_ENT
941
942template <typename T, typename TFlag>
943void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
944 typedef EnumEntry<TFlag> FlagEntry;
945 typedef SmallVector<FlagEntry, 10> FlagVector;
946 FlagVector SetFlags;
947
948 for (const auto &Flag : Flags) {
949 if (Flag.Value == 0)
950 continue;
951
952 if ((Value & Flag.Value) == Flag.Value)
953 SetFlags.push_back(Flag);
954 }
955
956 for (const auto &Flag : SetFlags) {
957 OS << Flag.Name << " ";
958 }
959}
960
Michael J. Spencer126973b2013-08-08 22:27:13 +0000961template <class ELFT>
Rafael Espindola00ddb142015-07-20 03:38:17 +0000962static const char *getDynamicString(const ELFFile<ELFT> &O, uint64_t Value) {
963 const char *Ret = O.getDynamicString(Value);
964 if (!Ret)
965 reportError("Invalid dynamic string table reference");
966 return Ret;
967}
968
969template <class ELFT>
Michael J. Spencer126973b2013-08-08 22:27:13 +0000970static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
971 bool Is64, raw_ostream &OS) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000972 switch (Type) {
973 case DT_PLTREL:
974 if (Value == DT_REL) {
975 OS << "REL";
976 break;
977 } else if (Value == DT_RELA) {
978 OS << "RELA";
979 break;
980 }
981 // Fallthrough.
982 case DT_PLTGOT:
983 case DT_HASH:
984 case DT_STRTAB:
985 case DT_SYMTAB:
986 case DT_RELA:
987 case DT_INIT:
988 case DT_FINI:
989 case DT_REL:
990 case DT_JMPREL:
991 case DT_INIT_ARRAY:
992 case DT_FINI_ARRAY:
993 case DT_PREINIT_ARRAY:
994 case DT_DEBUG:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000995 case DT_VERNEED:
996 case DT_VERSYM:
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000997 case DT_GNU_HASH:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000998 case DT_NULL:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000999 case DT_MIPS_BASE_ADDRESS:
1000 case DT_MIPS_GOTSYM:
Simon Atanasyan728d2162014-01-05 13:40:27 +00001001 case DT_MIPS_RLD_MAP:
1002 case DT_MIPS_PLTGOT:
Simon Atanasyan2da3eb12015-04-20 05:34:48 +00001003 case DT_MIPS_OPTIONS:
Eric Christopher9cad53c2013-04-03 18:31:38 +00001004 OS << format("0x%" PRIX64, Value);
1005 break;
Simon Atanasyanca8b5622014-05-11 08:48:09 +00001006 case DT_RELCOUNT:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +00001007 case DT_VERNEEDNUM:
1008 case DT_MIPS_RLD_VERSION:
1009 case DT_MIPS_LOCAL_GOTNO:
1010 case DT_MIPS_SYMTABNO:
1011 case DT_MIPS_UNREFEXTNO:
1012 OS << Value;
1013 break;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001014 case DT_PLTRELSZ:
1015 case DT_RELASZ:
1016 case DT_RELAENT:
1017 case DT_STRSZ:
1018 case DT_SYMENT:
1019 case DT_RELSZ:
1020 case DT_RELENT:
1021 case DT_INIT_ARRAYSZ:
1022 case DT_FINI_ARRAYSZ:
1023 case DT_PREINIT_ARRAYSZ:
1024 OS << Value << " (bytes)";
1025 break;
1026 case DT_NEEDED:
Rafael Espindola00ddb142015-07-20 03:38:17 +00001027 OS << "SharedLibrary (" << getDynamicString(*O, Value) << ")";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001028 break;
1029 case DT_SONAME:
Rafael Espindola00ddb142015-07-20 03:38:17 +00001030 OS << "LibrarySoname (" << getDynamicString(*O, Value) << ")";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001031 break;
Joerg Sonnenbergerce91d012013-09-03 17:13:53 +00001032 case DT_RPATH:
1033 case DT_RUNPATH:
Rafael Espindola00ddb142015-07-20 03:38:17 +00001034 OS << getDynamicString(*O, Value);
Joerg Sonnenbergerce91d012013-09-03 17:13:53 +00001035 break;
Simon Atanasyanca8b5622014-05-11 08:48:09 +00001036 case DT_MIPS_FLAGS:
1037 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
1038 break;
1039 case DT_FLAGS:
1040 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
1041 break;
Davide Italianof071bd02015-05-25 19:12:18 +00001042 case DT_FLAGS_1:
1043 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
1044 break;
Michael J. Spencer594c0282015-06-25 21:47:32 +00001045 default:
1046 OS << format("0x%" PRIX64, Value);
1047 break;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001048 }
1049}
1050
1051template<class ELFT>
1052void ELFDumper<ELFT>::printUnwindInfo() {
1053 W.startLine() << "UnwindInfo not implemented.\n";
1054}
1055
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001056namespace {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001057template <> void ELFDumper<ELFType<support::little, false>>::printUnwindInfo() {
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001058 const unsigned Machine = Obj->getHeader()->e_machine;
1059 if (Machine == EM_ARM) {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001060 ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(W, Obj);
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001061 return Ctx.PrintUnwindInformation();
1062 }
1063 W.startLine() << "UnwindInfo not implemented.\n";
1064}
1065}
1066
Eric Christopher9cad53c2013-04-03 18:31:38 +00001067template<class ELFT>
1068void ELFDumper<ELFT>::printDynamicTable() {
Rafael Espindolae3f72232015-07-20 21:45:56 +00001069 auto I = Obj->dynamic_table_begin();
1070 auto E = Obj->dynamic_table_end();
Eric Christopher9cad53c2013-04-03 18:31:38 +00001071
Rafael Espindolae3f72232015-07-20 21:45:56 +00001072 if (I == E)
1073 return;
1074
1075 --E;
1076 while (I != E && E->getTag() == ELF::DT_NULL)
1077 --E;
1078 if (E->getTag() != ELF::DT_NULL)
1079 ++E;
1080 ++E;
1081
1082 ptrdiff_t Total = std::distance(I, E);
Simon Atanasyan28a11602014-06-04 05:51:44 +00001083 if (Total == 0)
Eric Christopher9cad53c2013-04-03 18:31:38 +00001084 return;
1085
Eric Christopher9cad53c2013-04-03 18:31:38 +00001086 raw_ostream &OS = W.getOStream();
1087 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1088
Michael J. Spencer126973b2013-08-08 22:27:13 +00001089 bool Is64 = ELFT::Is64Bits;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001090
1091 W.startLine()
1092 << " Tag" << (Is64 ? " " : " ") << "Type"
1093 << " " << "Name/Value\n";
Rafael Espindolae3f72232015-07-20 21:45:56 +00001094 while (I != E) {
1095 const typename ELFO::Elf_Dyn &Entry = *I;
1096 ++I;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001097 W.startLine()
1098 << " "
Simon Atanasyan28a11602014-06-04 05:51:44 +00001099 << format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Entry.getTag())
1100 << " " << format("%-21s", getTypeString(Entry.getTag()));
1101 printValue(Obj, Entry.getTag(), Entry.getVal(), Is64, OS);
Eric Christopher9cad53c2013-04-03 18:31:38 +00001102 OS << "\n";
1103 }
1104
1105 W.startLine() << "]\n";
1106}
1107
Eric Christopher9cad53c2013-04-03 18:31:38 +00001108template<class ELFT>
1109void ELFDumper<ELFT>::printNeededLibraries() {
1110 ListScope D(W, "NeededLibraries");
1111
Michael J. Spencer126973b2013-08-08 22:27:13 +00001112 typedef std::vector<StringRef> LibsTy;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001113 LibsTy Libs;
1114
Simon Atanasyan28a11602014-06-04 05:51:44 +00001115 for (const auto &Entry : Obj->dynamic_table())
1116 if (Entry.d_tag == ELF::DT_NEEDED)
Rafael Espindola00ddb142015-07-20 03:38:17 +00001117 Libs.push_back(getDynamicString(*Obj, Entry.d_un.d_val));
Eric Christopher9cad53c2013-04-03 18:31:38 +00001118
Michael J. Spencer126973b2013-08-08 22:27:13 +00001119 std::stable_sort(Libs.begin(), Libs.end());
Eric Christopher9cad53c2013-04-03 18:31:38 +00001120
Michael J. Spencer126973b2013-08-08 22:27:13 +00001121 for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end(); I != E; ++I) {
1122 outs() << " " << *I << "\n";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001123 }
1124}
Nico Rieckd6df0542013-04-12 04:07:39 +00001125
1126template<class ELFT>
1127void ELFDumper<ELFT>::printProgramHeaders() {
1128 ListScope L(W, "ProgramHeaders");
1129
Rafael Espindola073624b2015-07-20 13:35:33 +00001130 for (const typename ELFO::Elf_Phdr &Phdr : Obj->program_headers()) {
Nico Rieckd6df0542013-04-12 04:07:39 +00001131 DictScope P(W, "ProgramHeader");
Rafael Espindola073624b2015-07-20 13:35:33 +00001132 W.printHex("Type",
1133 getElfSegmentType(Obj->getHeader()->e_machine, Phdr.p_type),
1134 Phdr.p_type);
1135 W.printHex("Offset", Phdr.p_offset);
1136 W.printHex("VirtualAddress", Phdr.p_vaddr);
1137 W.printHex("PhysicalAddress", Phdr.p_paddr);
1138 W.printNumber("FileSize", Phdr.p_filesz);
1139 W.printNumber("MemSize", Phdr.p_memsz);
1140 W.printFlags("Flags", Phdr.p_flags, makeArrayRef(ElfSegmentFlags));
1141 W.printNumber("Alignment", Phdr.p_align);
Nico Rieckd6df0542013-04-12 04:07:39 +00001142 }
1143}
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001144
Michael J. Spencer20546ff2015-07-09 22:32:24 +00001145template <typename ELFT>
1146void ELFDumper<ELFT>::printHashTable() {
1147 DictScope D(W, "HashTable");
1148 auto HT = Obj->getHashTable();
1149 if (!HT)
1150 return;
1151 W.printNumber("Num Buckets", HT->nbucket);
1152 W.printNumber("Num Chains", HT->nchain);
1153 W.printList("Buckets", HT->buckets());
1154 W.printList("Chains", HT->chains());
1155}
1156
Rafael Espindola33e746f22015-07-21 13:48:41 +00001157template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
1158 outs() << "LoadName: " << Obj->getLoadName() << '\n';
1159}
1160
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001161template <class ELFT>
1162void ELFDumper<ELFT>::printAttributes() {
1163 W.startLine() << "Attributes not implemented.\n";
1164}
1165
1166namespace {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001167template <> void ELFDumper<ELFType<support::little, false>>::printAttributes() {
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001168 if (Obj->getHeader()->e_machine != EM_ARM) {
1169 W.startLine() << "Attributes not implemented.\n";
1170 return;
1171 }
1172
1173 DictScope BA(W, "BuildAttributes");
Rafael Espindola13e08772015-06-30 19:24:51 +00001174 for (const ELFO::Elf_Shdr &Sec : Obj->sections()) {
1175 if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001176 continue;
1177
Rafael Espindola13e08772015-06-30 19:24:51 +00001178 ErrorOr<ArrayRef<uint8_t>> Contents = Obj->getSectionContents(&Sec);
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001179 if (!Contents)
1180 continue;
1181
1182 if ((*Contents)[0] != ARMBuildAttrs::Format_Version) {
1183 errs() << "unrecognised FormatVersion: 0x" << utohexstr((*Contents)[0])
1184 << '\n';
1185 continue;
1186 }
1187
1188 W.printHex("FormatVersion", (*Contents)[0]);
1189 if (Contents->size() == 1)
1190 continue;
1191
1192 ARMAttributeParser(W).Parse(*Contents);
1193 }
1194}
1195}
1196
Simon Atanasyan80433902014-06-18 08:47:09 +00001197namespace {
1198template <class ELFT> class MipsGOTParser {
1199public:
1200 typedef object::ELFFile<ELFT> ObjectFile;
1201 typedef typename ObjectFile::Elf_Shdr Elf_Shdr;
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001202 typedef typename ObjectFile::Elf_Sym Elf_Sym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001203
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001204 MipsGOTParser(const ObjectFile *Obj, StreamWriter &W);
Simon Atanasyan80433902014-06-18 08:47:09 +00001205
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001206 void parseGOT();
1207 void parsePLT();
Simon Atanasyan80433902014-06-18 08:47:09 +00001208
1209private:
Simon Atanasyan80433902014-06-18 08:47:09 +00001210 typedef typename ObjectFile::Elf_Addr GOTEntry;
1211 typedef typename ObjectFile::template ELFEntityIterator<const GOTEntry>
1212 GOTIter;
1213
1214 const ObjectFile *Obj;
1215 StreamWriter &W;
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001216 llvm::Optional<uint64_t> DtPltGot;
1217 llvm::Optional<uint64_t> DtLocalGotNum;
1218 llvm::Optional<uint64_t> DtGotSym;
1219 llvm::Optional<uint64_t> DtMipsPltGot;
1220 llvm::Optional<uint64_t> DtJmpRel;
Simon Atanasyan80433902014-06-18 08:47:09 +00001221
Simon Atanasyanc217c402014-06-18 09:24:01 +00001222 std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
1223 GOTIter makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001224
Simon Atanasyan80433902014-06-18 08:47:09 +00001225 void printGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It);
1226 void printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001227 const Elf_Sym *Sym, StringRef StrTable,
1228 bool IsDynamic);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001229 void printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt, GOTIter It,
1230 StringRef Purpose);
1231 void printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt, GOTIter It,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001232 StringRef StrTable, const Elf_Sym *Sym);
Simon Atanasyan80433902014-06-18 08:47:09 +00001233};
1234}
1235
1236template <class ELFT>
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001237MipsGOTParser<ELFT>::MipsGOTParser(const ObjectFile *Obj, StreamWriter &W)
1238 : Obj(Obj), W(W) {
1239 for (const auto &Entry : Obj->dynamic_table()) {
1240 switch (Entry.getTag()) {
1241 case ELF::DT_PLTGOT:
1242 DtPltGot = Entry.getVal();
1243 break;
1244 case ELF::DT_MIPS_LOCAL_GOTNO:
1245 DtLocalGotNum = Entry.getVal();
1246 break;
1247 case ELF::DT_MIPS_GOTSYM:
1248 DtGotSym = Entry.getVal();
1249 break;
1250 case ELF::DT_MIPS_PLTGOT:
1251 DtMipsPltGot = Entry.getVal();
1252 break;
1253 case ELF::DT_JMPREL:
1254 DtJmpRel = Entry.getVal();
1255 break;
1256 }
1257 }
1258}
1259
1260template <class ELFT> void MipsGOTParser<ELFT>::parseGOT() {
Simon Atanasyan80433902014-06-18 08:47:09 +00001261 // See "Global Offset Table" in Chapter 5 in the following document
1262 // for detailed GOT description.
1263 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001264 if (!DtPltGot) {
1265 W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
1266 return;
1267 }
1268 if (!DtLocalGotNum) {
1269 W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
1270 return;
1271 }
1272 if (!DtGotSym) {
1273 W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
1274 return;
1275 }
Simon Atanasyan80433902014-06-18 08:47:09 +00001276
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001277 const Elf_Shdr *GOTShdr = findSectionByAddress(Obj, *DtPltGot);
1278 if (!GOTShdr) {
1279 W.startLine() << "There is no .got section in the file.\n";
1280 return;
1281 }
1282
1283 ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(GOTShdr);
Simon Atanasyan80433902014-06-18 08:47:09 +00001284 if (!GOT) {
1285 W.startLine() << "The .got section is empty.\n";
1286 return;
1287 }
1288
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001289 if (*DtLocalGotNum > getGOTTotal(*GOT)) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001290 W.startLine() << "MIPS_LOCAL_GOTNO exceeds a number of GOT entries.\n";
1291 return;
1292 }
1293
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001294 const Elf_Shdr *DynSymSec = Obj->getDotDynSymSec();
1295 ErrorOr<StringRef> StrTable = Obj->getStringTableForSymtab(*DynSymSec);
1296 error(StrTable.getError());
Rafael Espindola2b5f8412015-06-30 15:33:44 +00001297 const Elf_Sym *DynSymBegin = Obj->dynamic_symbol_begin();
1298 const Elf_Sym *DynSymEnd = Obj->dynamic_symbol_end();
Simon Atanasyan80433902014-06-18 08:47:09 +00001299 std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
1300
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001301 if (*DtGotSym > DynSymTotal) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001302 W.startLine() << "MIPS_GOTSYM exceeds a number of dynamic symbols.\n";
1303 return;
1304 }
1305
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001306 std::size_t GlobalGotNum = DynSymTotal - *DtGotSym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001307
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001308 if (*DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT)) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001309 W.startLine() << "Number of global GOT entries exceeds the size of GOT.\n";
1310 return;
1311 }
1312
Simon Atanasyanc217c402014-06-18 09:24:01 +00001313 GOTIter GotBegin = makeGOTIter(*GOT, 0);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001314 GOTIter GotLocalEnd = makeGOTIter(*GOT, *DtLocalGotNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001315 GOTIter It = GotBegin;
1316
1317 DictScope GS(W, "Primary GOT");
1318
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001319 W.printHex("Canonical gp value", GOTShdr->sh_addr + 0x7ff0);
Simon Atanasyan80433902014-06-18 08:47:09 +00001320 {
1321 ListScope RS(W, "Reserved entries");
1322
1323 {
1324 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001325 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
Simon Atanasyan80433902014-06-18 08:47:09 +00001326 W.printString("Purpose", StringRef("Lazy resolver"));
1327 }
1328
1329 if (It != GotLocalEnd && (*It >> (sizeof(GOTEntry) * 8 - 1)) != 0) {
1330 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001331 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
Simon Atanasyan80433902014-06-18 08:47:09 +00001332 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
1333 }
1334 }
1335 {
1336 ListScope LS(W, "Local entries");
1337 for (; It != GotLocalEnd; ++It) {
1338 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001339 printGotEntry(GOTShdr->sh_addr, GotBegin, It);
Simon Atanasyan80433902014-06-18 08:47:09 +00001340 }
1341 }
1342 {
1343 ListScope GS(W, "Global entries");
1344
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001345 GOTIter GotGlobalEnd = makeGOTIter(*GOT, *DtLocalGotNum + GlobalGotNum);
1346 const Elf_Sym *GotDynSym = DynSymBegin + *DtGotSym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001347 for (; It != GotGlobalEnd; ++It) {
1348 DictScope D(W, "Entry");
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001349 printGlobalGotEntry(GOTShdr->sh_addr, GotBegin, It, GotDynSym++,
1350 *StrTable, true);
Simon Atanasyan80433902014-06-18 08:47:09 +00001351 }
1352 }
1353
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001354 std::size_t SpecGotNum = getGOTTotal(*GOT) - *DtLocalGotNum - GlobalGotNum;
Simon Atanasyana4ba8ec2014-06-18 09:23:55 +00001355 W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
Simon Atanasyan80433902014-06-18 08:47:09 +00001356}
1357
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001358template <class ELFT> void MipsGOTParser<ELFT>::parsePLT() {
1359 if (!DtMipsPltGot) {
1360 W.startLine() << "Cannot find MIPS_PLTGOT dynamic table tag.\n";
1361 return;
1362 }
1363 if (!DtJmpRel) {
1364 W.startLine() << "Cannot find JMPREL dynamic table tag.\n";
1365 return;
1366 }
1367
1368 const Elf_Shdr *PLTShdr = findSectionByAddress(Obj, *DtMipsPltGot);
1369 if (!PLTShdr) {
1370 W.startLine() << "There is no .got.plt section in the file.\n";
1371 return;
1372 }
1373 ErrorOr<ArrayRef<uint8_t>> PLT = Obj->getSectionContents(PLTShdr);
1374 if (!PLT) {
1375 W.startLine() << "The .got.plt section is empty.\n";
1376 return;
1377 }
1378
1379 const Elf_Shdr *PLTRelShdr = findSectionByAddress(Obj, *DtJmpRel);
1380 if (!PLTShdr) {
1381 W.startLine() << "There is no .rel.plt section in the file.\n";
1382 return;
1383 }
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001384 ErrorOr<const Elf_Shdr *> SymTableOrErr =
1385 Obj->getSection(PLTRelShdr->sh_link);
1386 error(SymTableOrErr.getError());
1387 ErrorOr<StringRef> StrTable = Obj->getStringTableForSymtab(**SymTableOrErr);
1388 error(StrTable.getError());
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001389
1390 GOTIter PLTBegin = makeGOTIter(*PLT, 0);
1391 GOTIter PLTEnd = makeGOTIter(*PLT, getGOTTotal(*PLT));
1392 GOTIter It = PLTBegin;
1393
1394 DictScope GS(W, "PLT GOT");
1395 {
1396 ListScope RS(W, "Reserved entries");
1397 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "PLT lazy resolver");
1398 if (It != PLTEnd)
1399 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "Module pointer");
1400 }
1401 {
1402 ListScope GS(W, "Entries");
1403
1404 switch (PLTRelShdr->sh_type) {
1405 case ELF::SHT_REL:
Rafael Espindola33f25092015-07-20 20:07:50 +00001406 for (const typename ObjectFile::Elf_Rel *RI = Obj->rel_begin(PLTRelShdr),
1407 *RE = Obj->rel_end(PLTRelShdr);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001408 RI != RE && It != PLTEnd; ++RI, ++It) {
1409 const Elf_Sym *Sym =
1410 Obj->getRelocationSymbol(&*PLTRelShdr, &*RI).second;
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001411 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, *StrTable, Sym);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001412 }
1413 break;
1414 case ELF::SHT_RELA:
Rafael Espindola33f25092015-07-20 20:07:50 +00001415 for (const typename ObjectFile::Elf_Rela
1416 *RI = Obj->rela_begin(PLTRelShdr),
1417 *RE = Obj->rela_end(PLTRelShdr);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001418 RI != RE && It != PLTEnd; ++RI, ++It) {
1419 const Elf_Sym *Sym =
1420 Obj->getRelocationSymbol(&*PLTRelShdr, &*RI).second;
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001421 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, *StrTable, Sym);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001422 }
1423 break;
1424 }
1425 }
1426}
1427
Simon Atanasyan80433902014-06-18 08:47:09 +00001428template <class ELFT>
Simon Atanasyanc217c402014-06-18 09:24:01 +00001429std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
Simon Atanasyan80433902014-06-18 08:47:09 +00001430 return GOT.size() / sizeof(GOTEntry);
1431}
1432
1433template <class ELFT>
1434typename MipsGOTParser<ELFT>::GOTIter
Simon Atanasyanc217c402014-06-18 09:24:01 +00001435MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001436 const char *Data = reinterpret_cast<const char *>(GOT.data());
1437 return GOTIter(sizeof(GOTEntry), Data + EntryNum * sizeof(GOTEntry));
1438}
1439
1440template <class ELFT>
Simon Atanasyan80433902014-06-18 08:47:09 +00001441void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr, GOTIter BeginIt,
1442 GOTIter It) {
1443 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1444 W.printHex("Address", GotAddr + Offset);
1445 W.printNumber("Access", Offset - 0x7ff0);
1446 W.printHex("Initial", *It);
1447}
1448
1449template <class ELFT>
1450void MipsGOTParser<ELFT>::printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt,
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001451 GOTIter It, const Elf_Sym *Sym,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001452 StringRef StrTable,
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001453 bool IsDynamic) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001454 printGotEntry(GotAddr, BeginIt, It);
1455
1456 W.printHex("Value", Sym->st_value);
1457 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1458
1459 unsigned SectionIndex = 0;
1460 StringRef SectionName;
1461 getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
1462 W.printHex("Section", SectionName, SectionIndex);
1463
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001464 std::string FullSymbolName =
1465 getFullSymbolName(*Obj, Sym, StrTable, IsDynamic);
Simon Atanasyan80433902014-06-18 08:47:09 +00001466 W.printNumber("Name", FullSymbolName, Sym->st_name);
1467}
1468
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001469template <class ELFT>
1470void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt,
1471 GOTIter It, StringRef Purpose) {
1472 DictScope D(W, "Entry");
1473 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1474 W.printHex("Address", PLTAddr + Offset);
1475 W.printHex("Initial", *It);
1476 W.printString("Purpose", Purpose);
1477}
1478
1479template <class ELFT>
1480void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001481 GOTIter It, StringRef StrTable,
1482 const Elf_Sym *Sym) {
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001483 DictScope D(W, "Entry");
1484 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1485 W.printHex("Address", PLTAddr + Offset);
1486 W.printHex("Initial", *It);
1487 W.printHex("Value", Sym->st_value);
1488 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1489
1490 unsigned SectionIndex = 0;
1491 StringRef SectionName;
1492 getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
1493 W.printHex("Section", SectionName, SectionIndex);
1494
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001495 std::string FullSymbolName = getFullSymbolName(*Obj, Sym, StrTable, true);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001496 W.printNumber("Name", FullSymbolName, Sym->st_name);
1497}
1498
Simon Atanasyan80433902014-06-18 08:47:09 +00001499template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
1500 if (Obj->getHeader()->e_machine != EM_MIPS) {
1501 W.startLine() << "MIPS PLT GOT is available for MIPS targets only.\n";
1502 return;
1503 }
1504
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001505 MipsGOTParser<ELFT> GOTParser(Obj, W);
1506 GOTParser.parseGOT();
1507 GOTParser.parsePLT();
Simon Atanasyan80433902014-06-18 08:47:09 +00001508}
Simon Atanasyanc914de22015-05-07 15:40:35 +00001509
1510static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
1511 {"None", Mips::AFL_EXT_NONE},
1512 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
1513 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
1514 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
1515 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
1516 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
1517 {"LSI R4010", Mips::AFL_EXT_4010},
1518 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
1519 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
1520 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
1521 {"MIPS R4650", Mips::AFL_EXT_4650},
1522 {"MIPS R5900", Mips::AFL_EXT_5900},
1523 {"MIPS R10000", Mips::AFL_EXT_10000},
1524 {"NEC VR4100", Mips::AFL_EXT_4100},
1525 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
1526 {"NEC VR4120", Mips::AFL_EXT_4120},
1527 {"NEC VR5400", Mips::AFL_EXT_5400},
1528 {"NEC VR5500", Mips::AFL_EXT_5500},
1529 {"RMI Xlr", Mips::AFL_EXT_XLR},
1530 {"Toshiba R3900", Mips::AFL_EXT_3900}
1531};
1532
1533static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
1534 {"DSP", Mips::AFL_ASE_DSP},
1535 {"DSPR2", Mips::AFL_ASE_DSPR2},
1536 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
1537 {"MCU", Mips::AFL_ASE_MCU},
1538 {"MDMX", Mips::AFL_ASE_MDMX},
1539 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
1540 {"MT", Mips::AFL_ASE_MT},
1541 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
1542 {"VZ", Mips::AFL_ASE_VIRT},
1543 {"MSA", Mips::AFL_ASE_MSA},
1544 {"MIPS16", Mips::AFL_ASE_MIPS16},
1545 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
1546 {"XPA", Mips::AFL_ASE_XPA}
1547};
1548
1549static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
1550 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
1551 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
1552 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
1553 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
1554 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
1555 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
1556 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
1557 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
1558 {"Hard float compat (32-bit CPU, 64-bit FPU)",
1559 Mips::Val_GNU_MIPS_ABI_FP_64A}
1560};
1561
1562static const EnumEntry<unsigned> ElfMipsFlags1[] {
1563 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
1564};
1565
1566static int getMipsRegisterSize(uint8_t Flag) {
1567 switch (Flag) {
1568 case Mips::AFL_REG_NONE:
1569 return 0;
1570 case Mips::AFL_REG_32:
1571 return 32;
1572 case Mips::AFL_REG_64:
1573 return 64;
1574 case Mips::AFL_REG_128:
1575 return 128;
1576 default:
1577 return -1;
1578 }
1579}
1580
1581template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
1582 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
1583 if (!Shdr) {
1584 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
1585 return;
1586 }
1587 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1588 if (!Sec) {
1589 W.startLine() << "The .MIPS.abiflags section is empty.\n";
1590 return;
1591 }
1592 if (Sec->size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
1593 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
1594 return;
1595 }
1596
1597 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec->data());
1598
1599 raw_ostream &OS = W.getOStream();
1600 DictScope GS(W, "MIPS ABI Flags");
1601
1602 W.printNumber("Version", Flags->version);
1603 W.startLine() << "ISA: ";
1604 if (Flags->isa_rev <= 1)
1605 OS << format("MIPS%u", Flags->isa_level);
1606 else
1607 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
1608 OS << "\n";
1609 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
1610 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
1611 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
1612 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
1613 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
1614 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
1615 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
1616 W.printHex("Flags 2", Flags->flags2);
1617}
Simon Atanasyan6e07e932015-06-16 21:47:43 +00001618
1619template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
1620 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
1621 if (!Shdr) {
1622 W.startLine() << "There is no .reginfo section in the file.\n";
1623 return;
1624 }
1625 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1626 if (!Sec) {
1627 W.startLine() << "The .reginfo section is empty.\n";
1628 return;
1629 }
1630 if (Sec->size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
1631 W.startLine() << "The .reginfo section has a wrong size.\n";
1632 return;
1633 }
1634
1635 auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec->data());
1636
1637 DictScope GS(W, "MIPS RegInfo");
1638 W.printHex("GP", Reginfo->ri_gp_value);
1639 W.printHex("General Mask", Reginfo->ri_gprmask);
1640 W.printHex("Co-Proc Mask0", Reginfo->ri_cprmask[0]);
1641 W.printHex("Co-Proc Mask1", Reginfo->ri_cprmask[1]);
1642 W.printHex("Co-Proc Mask2", Reginfo->ri_cprmask[2]);
1643 W.printHex("Co-Proc Mask3", Reginfo->ri_cprmask[3]);
1644}
Lang Hames0000afd2015-06-26 23:56:53 +00001645
1646template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
1647 const typename ELFFile<ELFT>::Elf_Shdr *StackMapSection = nullptr;
1648 for (const auto &Sec : Obj->sections()) {
1649 ErrorOr<StringRef> Name = Obj->getSectionName(&Sec);
1650 if (*Name == ".llvm_stackmaps") {
1651 StackMapSection = &Sec;
1652 break;
1653 }
1654 }
1655
1656 if (!StackMapSection)
1657 return;
1658
1659 StringRef StackMapContents;
1660 ErrorOr<ArrayRef<uint8_t>> StackMapContentsArray =
1661 Obj->getSectionContents(StackMapSection);
1662
1663 prettyPrintStackMap(
1664 llvm::outs(),
1665 StackMapV1Parser<ELFT::TargetEndianness>(*StackMapContentsArray));
1666}