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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;
Eric Christopher9cad53c2013-04-03 18:31:38 +000059
Craig Toppere56917c2014-03-08 08:27:28 +000060 void printAttributes() override;
Simon Atanasyan80433902014-06-18 08:47:09 +000061 void printMipsPLTGOT() override;
Simon Atanasyanc914de22015-05-07 15:40:35 +000062 void printMipsABIFlags() override;
Simon Atanasyan6e07e932015-06-16 21:47:43 +000063 void printMipsReginfo() override;
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +000064
Lang Hames0000afd2015-06-26 23:56:53 +000065 void printStackMap() const override;
66
Eric Christopher9cad53c2013-04-03 18:31:38 +000067private:
Michael J. Spencer126973b2013-08-08 22:27:13 +000068 typedef ELFFile<ELFT> ELFO;
Nico Rieckd6df0542013-04-12 04:07:39 +000069 typedef typename ELFO::Elf_Shdr Elf_Shdr;
70 typedef typename ELFO::Elf_Sym Elf_Sym;
Eric Christopher9cad53c2013-04-03 18:31:38 +000071
Rafael Espindola719dc7c2015-06-29 12:38:31 +000072 void printSymbol(const Elf_Sym *Symbol, bool IsDynamic);
Eric Christopher9cad53c2013-04-03 18:31:38 +000073
Michael J. Spencer126973b2013-08-08 22:27:13 +000074 void printRelocations(const Elf_Shdr *Sec);
75 void printRelocation(const Elf_Shdr *Sec, typename ELFO::Elf_Rela Rel);
Eric Christopher9cad53c2013-04-03 18:31:38 +000076
Nico Rieckd6df0542013-04-12 04:07:39 +000077 const ELFO *Obj;
Eric Christopher9cad53c2013-04-03 18:31:38 +000078};
79
Michael J. Spencer126973b2013-08-08 22:27:13 +000080template <class T> T errorOrDefault(ErrorOr<T> Val, T Default = T()) {
81 if (!Val) {
Rafael Espindola1c704b42014-01-08 22:03:39 +000082 error(Val.getError());
Michael J. Spencer126973b2013-08-08 22:27:13 +000083 return Default;
84 }
Eric Christopher9cad53c2013-04-03 18:31:38 +000085
Michael J. Spencer126973b2013-08-08 22:27:13 +000086 return *Val;
87}
88} // namespace
Eric Christopher9cad53c2013-04-03 18:31:38 +000089
90namespace llvm {
91
Rafael Espindola2f44bf22013-05-09 13:13:28 +000092template <class ELFT>
Rafael Espindola4453e42942014-06-13 03:07:50 +000093static std::error_code createELFDumper(const ELFFile<ELFT> *Obj,
94 StreamWriter &Writer,
95 std::unique_ptr<ObjDumper> &Result) {
Rafael Espindola2f44bf22013-05-09 13:13:28 +000096 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
97 return readobj_error::success;
98}
99
Rafael Espindola4453e42942014-06-13 03:07:50 +0000100std::error_code createELFDumper(const object::ObjectFile *Obj,
101 StreamWriter &Writer,
102 std::unique_ptr<ObjDumper> &Result) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000103 // Little-endian 32-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000104 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000105 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000106
107 // Big-endian 32-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000108 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000109 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000110
111 // Little-endian 64-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000112 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000113 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000114
115 // Big-endian 64-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000116 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000117 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000118
119 return readobj_error::unsupported_obj_file_format;
120}
121
122} // namespace llvm
123
Simon Atanasyan414736e2014-06-10 05:59:15 +0000124template <typename ELFO>
125static std::string getFullSymbolName(const ELFO &Obj,
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000126 const typename ELFO::Elf_Sym *Symbol,
127 bool IsDynamic) {
128 StringRef SymbolName = errorOrDefault(Obj.getSymbolName(Symbol, IsDynamic));
129 if (!IsDynamic)
Simon Atanasyan414736e2014-06-10 05:59:15 +0000130 return SymbolName;
131
132 std::string FullSymbolName(SymbolName);
133
134 bool IsDefault;
135 ErrorOr<StringRef> Version =
136 Obj.getSymbolVersion(nullptr, &*Symbol, IsDefault);
137 if (Version) {
138 FullSymbolName += (IsDefault ? "@@" : "@");
139 FullSymbolName += *Version;
140 } else
141 error(Version.getError());
142 return FullSymbolName;
143}
144
145template <typename ELFO>
146static void
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000147getSectionNameIndex(const ELFO &Obj, const typename ELFO::Elf_Sym *Symbol,
Simon Atanasyan414736e2014-06-10 05:59:15 +0000148 StringRef &SectionName, unsigned &SectionIndex) {
149 SectionIndex = Symbol->st_shndx;
Davide Italiano056decb2015-06-08 04:55:29 +0000150 if (Symbol->isUndefined())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000151 SectionName = "Undefined";
Davide Italiano056decb2015-06-08 04:55:29 +0000152 else if (Symbol->isProcessorSpecific())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000153 SectionName = "Processor Specific";
Davide Italiano056decb2015-06-08 04:55:29 +0000154 else if (Symbol->isOSSpecific())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000155 SectionName = "Operating System Specific";
Davide Italiano056decb2015-06-08 04:55:29 +0000156 else if (Symbol->isAbsolute())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000157 SectionName = "Absolute";
Davide Italiano056decb2015-06-08 04:55:29 +0000158 else if (Symbol->isCommon())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000159 SectionName = "Common";
Rafael Espindolac74ac022015-06-12 17:23:39 +0000160 else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
161 SectionName = "Reserved";
Davide Italiano056decb2015-06-08 04:55:29 +0000162 else {
Simon Atanasyan414736e2014-06-10 05:59:15 +0000163 if (SectionIndex == SHN_XINDEX)
Rafael Espindolad68fb742015-06-24 14:48:54 +0000164 SectionIndex = Obj.getExtendedSymbolTableIndex(&*Symbol);
Simon Atanasyan414736e2014-06-10 05:59:15 +0000165 const typename ELFO::Elf_Shdr *Sec = Obj.getSection(SectionIndex);
166 SectionName = errorOrDefault(Obj.getSectionName(Sec));
167 }
168}
169
Simon Atanasyan80433902014-06-18 08:47:09 +0000170template <class ELFT>
171static const typename ELFFile<ELFT>::Elf_Shdr *
172findSectionByAddress(const ELFFile<ELFT> *Obj, uint64_t Addr) {
173 for (const auto &Shdr : Obj->sections())
174 if (Shdr.sh_addr == Addr)
175 return &Shdr;
176 return nullptr;
177}
178
Simon Atanasyanc914de22015-05-07 15:40:35 +0000179template <class ELFT>
180static const typename ELFFile<ELFT>::Elf_Shdr *
181findSectionByName(const ELFFile<ELFT> &Obj, StringRef Name) {
182 for (const auto &Shdr : Obj.sections()) {
183 if (Name == errorOrDefault(Obj.getSectionName(&Shdr)))
184 return &Shdr;
185 }
186 return nullptr;
187}
188
Eric Christopher9cad53c2013-04-03 18:31:38 +0000189static const EnumEntry<unsigned> ElfClass[] = {
190 { "None", ELF::ELFCLASSNONE },
191 { "32-bit", ELF::ELFCLASS32 },
192 { "64-bit", ELF::ELFCLASS64 },
193};
194
195static const EnumEntry<unsigned> ElfDataEncoding[] = {
196 { "None", ELF::ELFDATANONE },
197 { "LittleEndian", ELF::ELFDATA2LSB },
198 { "BigEndian", ELF::ELFDATA2MSB },
199};
200
201static const EnumEntry<unsigned> ElfObjectFileType[] = {
202 { "None", ELF::ET_NONE },
203 { "Relocatable", ELF::ET_REL },
204 { "Executable", ELF::ET_EXEC },
205 { "SharedObject", ELF::ET_DYN },
206 { "Core", ELF::ET_CORE },
207};
208
209static const EnumEntry<unsigned> ElfOSABI[] = {
210 { "SystemV", ELF::ELFOSABI_NONE },
211 { "HPUX", ELF::ELFOSABI_HPUX },
212 { "NetBSD", ELF::ELFOSABI_NETBSD },
213 { "GNU/Linux", ELF::ELFOSABI_LINUX },
214 { "GNU/Hurd", ELF::ELFOSABI_HURD },
215 { "Solaris", ELF::ELFOSABI_SOLARIS },
216 { "AIX", ELF::ELFOSABI_AIX },
217 { "IRIX", ELF::ELFOSABI_IRIX },
218 { "FreeBSD", ELF::ELFOSABI_FREEBSD },
219 { "TRU64", ELF::ELFOSABI_TRU64 },
220 { "Modesto", ELF::ELFOSABI_MODESTO },
221 { "OpenBSD", ELF::ELFOSABI_OPENBSD },
222 { "OpenVMS", ELF::ELFOSABI_OPENVMS },
223 { "NSK", ELF::ELFOSABI_NSK },
224 { "AROS", ELF::ELFOSABI_AROS },
225 { "FenixOS", ELF::ELFOSABI_FENIXOS },
Ed Schoutendae71892015-03-09 18:40:45 +0000226 { "CloudABI", ELF::ELFOSABI_CLOUDABI },
Eric Christopher9cad53c2013-04-03 18:31:38 +0000227 { "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
228 { "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
229 { "ARM", ELF::ELFOSABI_ARM },
230 { "Standalone" , ELF::ELFOSABI_STANDALONE }
231};
232
233static const EnumEntry<unsigned> ElfMachineType[] = {
234 LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
235 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
236 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
237 LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
238 LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
239 LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
Rafael Espindola9fed2502015-06-19 14:34:12 +0000240 LLVM_READOBJ_ENUM_ENT(ELF, EM_IAMCU ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000241 LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
242 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
243 LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
244 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
245 LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
246 LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
247 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
248 LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
249 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
250 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
251 LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
252 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
253 LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
254 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
255 LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
256 LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
257 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
258 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
259 LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
260 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
261 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
262 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
263 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
264 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
265 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
266 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
267 LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
268 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
269 LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
270 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
271 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
272 LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
273 LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
274 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
275 LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
276 LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
277 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
278 LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
279 LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
280 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
281 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
282 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
283 LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
284 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
285 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
286 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
287 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
288 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
289 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
290 LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
291 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
292 LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
293 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
294 LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
295 LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
296 LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
297 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
298 LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
299 LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
300 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
301 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
302 LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
303 LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
304 LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
305 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
306 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
307 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
308 LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
309 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
310 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
311 LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
312 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
313 LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
314 LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
315 LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
316 LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
317 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
318 LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
319 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
320 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
321 LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
322 LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
323 LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
324 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
325 LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
326 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
327 LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
328 LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
329 LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
330 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
331 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
332 LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
333 LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
334 LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
335 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
336 LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
337 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
338 LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
339 LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
340 LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
341 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
342 LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
343 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
344 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
345 LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
346 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
347 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
348 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
349 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
350 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
351 LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
352 LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
353 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
354 LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
355 LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
356 LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
357 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
358 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
359 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
360 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
361 LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
362 LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
363 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
364 LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
365 LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
366 LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
367 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
368 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
369 LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
370 LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
371 LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
372 LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
373 LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
374 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
375 LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
376 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
377 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000378 LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
379 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
380 LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
381 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
382 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
383 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
384 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
385 LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
386 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
387 LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
Tom Stellard24288b82015-06-22 21:03:47 +0000388 LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX ),
389 LLVM_READOBJ_ENUM_ENT(ELF, EM_AMDGPU )
Eric Christopher9cad53c2013-04-03 18:31:38 +0000390};
391
392static const EnumEntry<unsigned> ElfSymbolBindings[] = {
Rafael Espindola5fa925e2015-01-23 04:44:35 +0000393 { "Local", ELF::STB_LOCAL },
394 { "Global", ELF::STB_GLOBAL },
395 { "Weak", ELF::STB_WEAK },
396 { "Unique", ELF::STB_GNU_UNIQUE }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000397};
398
399static const EnumEntry<unsigned> ElfSymbolTypes[] = {
400 { "None", ELF::STT_NOTYPE },
401 { "Object", ELF::STT_OBJECT },
402 { "Function", ELF::STT_FUNC },
403 { "Section", ELF::STT_SECTION },
404 { "File", ELF::STT_FILE },
405 { "Common", ELF::STT_COMMON },
406 { "TLS", ELF::STT_TLS },
407 { "GNU_IFunc", ELF::STT_GNU_IFUNC }
408};
409
410static const char *getElfSectionType(unsigned Arch, unsigned Type) {
411 switch (Arch) {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000412 case ELF::EM_ARM:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000413 switch (Type) {
414 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
415 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
416 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
417 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
418 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
419 }
Michael J. Spencer126973b2013-08-08 22:27:13 +0000420 case ELF::EM_HEXAGON:
421 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
422 case ELF::EM_X86_64:
423 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
424 case ELF::EM_MIPS:
425 case ELF::EM_MIPS_RS3_LE:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000426 switch (Type) {
427 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
428 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
Simon Atanasyan1cd169f2014-07-13 15:28:54 +0000429 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_ABIFLAGS);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000430 }
431 }
432
433 switch (Type) {
434 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
435 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
436 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
437 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
438 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
439 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
440 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
441 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
442 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
443 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
444 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
445 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
446 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
447 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
448 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
449 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
450 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
451 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
452 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
453 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
454 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
455 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
456 default: return "";
457 }
458}
459
460static const EnumEntry<unsigned> ElfSectionFlags[] = {
461 LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
462 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
Benjamin Kramerac511ca2013-09-15 19:53:20 +0000463 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXCLUDE ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000464 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
465 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
466 LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
467 LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
468 LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
469 LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
470 LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
471 LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
472 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
473 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
474 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
475};
476
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000477static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
478 // Check potentially overlapped processor-specific
479 // program header type.
480 switch (Arch) {
481 case ELF::EM_ARM:
482 switch (Type) {
483 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
484 }
485 case ELF::EM_MIPS:
486 case ELF::EM_MIPS_RS3_LE:
487 switch (Type) {
488 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
489 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
490 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
Simon Atanasyaneeb2fa92015-05-15 15:59:22 +0000491 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000492 }
493 }
Nico Rieckd6df0542013-04-12 04:07:39 +0000494
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000495 switch (Type) {
496 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
497 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
498 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
499 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
500 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
501 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
502 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
503 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
Nico Rieckd6df0542013-04-12 04:07:39 +0000504
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000505 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
506 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
Nico Rieckd6df0542013-04-12 04:07:39 +0000507
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000508 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
509 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
510 default: return "";
511 }
512}
Nico Rieckd6df0542013-04-12 04:07:39 +0000513
514static const EnumEntry<unsigned> ElfSegmentFlags[] = {
515 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
516 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
517 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
518};
519
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000520static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
521 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NOREORDER),
522 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_PIC),
523 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
524 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
525 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000526 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_FP64),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000527 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
528 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000529 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O64),
530 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI32),
531 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI64),
Simon Atanasyan40e7eb12015-05-08 07:04:59 +0000532 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_3900),
533 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4010),
534 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4100),
535 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4650),
536 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4120),
537 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4111),
538 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_SB1),
539 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON),
540 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_XLR),
541 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON2),
542 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON3),
543 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5400),
544 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5900),
545 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5500),
546 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_9000),
547 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2E),
548 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2F),
549 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS3A),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000550 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
551 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000552 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_MDMX),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000553 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
554 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
555 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
556 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_4),
557 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_5),
558 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32),
559 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64),
560 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R2),
Simon Atanasyan9cb40902014-05-20 09:27:49 +0000561 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R2),
562 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R6),
563 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R6)
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000564};
565
Eric Christopher9cad53c2013-04-03 18:31:38 +0000566template<class ELFT>
567void ELFDumper<ELFT>::printFileHeaders() {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000568 const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000569
570 {
571 DictScope D(W, "ElfHeader");
572 {
573 DictScope D(W, "Ident");
574 W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
575 4));
576 W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
577 makeArrayRef(ElfClass));
578 W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
579 makeArrayRef(ElfDataEncoding));
580 W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
Tom Stellard91efe9c2015-06-26 21:15:11 +0000581
582 // Handle architecture specific OS/ABI values.
583 if (Header->e_machine == ELF::EM_AMDGPU &&
584 Header->e_ident[ELF::EI_OSABI] == ELF::ELFOSABI_AMDGPU_HSA)
585 W.printHex("OS/ABI", "AMDGPU_HSA", ELF::ELFOSABI_AMDGPU_HSA);
586 else
587 W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
Eric Christopher9cad53c2013-04-03 18:31:38 +0000588 makeArrayRef(ElfOSABI));
589 W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
590 W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
591 }
592
593 W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
594 W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
595 W.printNumber("Version", Header->e_version);
596 W.printHex ("Entry", Header->e_entry);
597 W.printHex ("ProgramHeaderOffset", Header->e_phoff);
598 W.printHex ("SectionHeaderOffset", Header->e_shoff);
Simon Atanasyan80070b52014-05-01 11:57:40 +0000599 if (Header->e_machine == EM_MIPS)
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000600 W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
Simon Atanasyan40e7eb12015-05-08 07:04:59 +0000601 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
602 unsigned(ELF::EF_MIPS_MACH));
Simon Atanasyan80070b52014-05-01 11:57:40 +0000603 else
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000604 W.printFlags("Flags", Header->e_flags);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000605 W.printNumber("HeaderSize", Header->e_ehsize);
606 W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
607 W.printNumber("ProgramHeaderCount", Header->e_phnum);
608 W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
609 W.printNumber("SectionHeaderCount", Header->e_shnum);
610 W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
611 }
612}
613
614template<class ELFT>
615void ELFDumper<ELFT>::printSections() {
616 ListScope SectionsD(W, "Sections");
617
618 int SectionIndex = -1;
Rafael Espindola13e08772015-06-30 19:24:51 +0000619 for (const typename ELFO::Elf_Shdr &Sec : Obj->sections()) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000620 ++SectionIndex;
621
Rafael Espindola13e08772015-06-30 19:24:51 +0000622 StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000623
624 DictScope SectionD(W, "Section");
625 W.printNumber("Index", SectionIndex);
Rafael Espindola13e08772015-06-30 19:24:51 +0000626 W.printNumber("Name", Name, Sec.sh_name);
Michael J. Spencer126973b2013-08-08 22:27:13 +0000627 W.printHex("Type",
Rafael Espindola13e08772015-06-30 19:24:51 +0000628 getElfSectionType(Obj->getHeader()->e_machine, Sec.sh_type),
629 Sec.sh_type);
630 W.printFlags("Flags", Sec.sh_flags, makeArrayRef(ElfSectionFlags));
631 W.printHex("Address", Sec.sh_addr);
632 W.printHex("Offset", Sec.sh_offset);
633 W.printNumber("Size", Sec.sh_size);
634 W.printNumber("Link", Sec.sh_link);
635 W.printNumber("Info", Sec.sh_info);
636 W.printNumber("AddressAlignment", Sec.sh_addralign);
637 W.printNumber("EntrySize", Sec.sh_entsize);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000638
639 if (opts::SectionRelocations) {
640 ListScope D(W, "Relocations");
Rafael Espindola13e08772015-06-30 19:24:51 +0000641 printRelocations(&Sec);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000642 }
643
644 if (opts::SectionSymbols) {
645 ListScope D(W, "Symbols");
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000646 for (const typename ELFO::Elf_Sym &Sym : Obj->symbols()) {
Rafael Espindola13e08772015-06-30 19:24:51 +0000647 if (Obj->getSection(&Sym) == &Sec)
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000648 printSymbol(&Sym, false);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000649 }
650 }
651
Rafael Espindola13e08772015-06-30 19:24:51 +0000652 if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
653 ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(&Sec));
Michael J. Spencer126973b2013-08-08 22:27:13 +0000654 W.printBinaryBlock("SectionData",
655 StringRef((const char *)Data.data(), Data.size()));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000656 }
657 }
658}
659
660template<class ELFT>
661void ELFDumper<ELFT>::printRelocations() {
662 ListScope D(W, "Relocations");
663
Eric Christopher9cad53c2013-04-03 18:31:38 +0000664 int SectionNumber = -1;
Rafael Espindola13e08772015-06-30 19:24:51 +0000665 for (const typename ELFO::Elf_Shdr &Sec : Obj->sections()) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000666 ++SectionNumber;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000667
Rafael Espindola13e08772015-06-30 19:24:51 +0000668 if (Sec.sh_type != ELF::SHT_REL && Sec.sh_type != ELF::SHT_RELA)
Eric Christopher9cad53c2013-04-03 18:31:38 +0000669 continue;
670
Rafael Espindola13e08772015-06-30 19:24:51 +0000671 StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000672
Michael J. Spencer126973b2013-08-08 22:27:13 +0000673 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
674 W.indent();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000675
Rafael Espindola13e08772015-06-30 19:24:51 +0000676 printRelocations(&Sec);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000677
Michael J. Spencer126973b2013-08-08 22:27:13 +0000678 W.unindent();
679 W.startLine() << "}\n";
Eric Christopher9cad53c2013-04-03 18:31:38 +0000680 }
681}
682
Michael J. Spencer594c0282015-06-25 21:47:32 +0000683template<class ELFT>
684void ELFDumper<ELFT>::printDynamicRelocations() {
685 W.startLine() << "Dynamic Relocations {\n";
686 W.indent();
Rafael Espindola2b5f8412015-06-30 15:33:44 +0000687 for (typename ELFO::Elf_Rela_Iter RelI = Obj->dyn_rela_begin(),
688 RelE = Obj->dyn_rela_end();
689 RelI != RelE; ++RelI) {
Michael J. Spencer594c0282015-06-25 21:47:32 +0000690 SmallString<32> RelocName;
691 Obj->getRelocationTypeName(RelI->getType(Obj->isMips64EL()), RelocName);
692 StringRef SymbolName;
693 uint32_t SymIndex = RelI->getSymbol(Obj->isMips64EL());
Rafael Espindola2b5f8412015-06-30 15:33:44 +0000694 const typename ELFO::Elf_Sym *Sym = Obj->dynamic_symbol_begin() + SymIndex;
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000695 SymbolName = errorOrDefault(Obj->getSymbolName(Sym, true));
Michael J. Spencer594c0282015-06-25 21:47:32 +0000696 if (opts::ExpandRelocs) {
697 DictScope Group(W, "Relocation");
698 W.printHex("Offset", RelI->r_offset);
699 W.printNumber("Type", RelocName, (int)RelI->getType(Obj->isMips64EL()));
700 W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
701 W.printHex("Addend", RelI->r_addend);
702 }
703 else {
704 raw_ostream& OS = W.startLine();
705 OS << W.hex(RelI->r_offset)
706 << " " << RelocName
707 << " " << (SymbolName.size() > 0 ? SymbolName : "-")
708 << " " << W.hex(RelI->r_addend)
709 << "\n";
710 }
711 }
712 W.unindent();
713 W.startLine() << "}\n";
714}
715
Michael J. Spencer126973b2013-08-08 22:27:13 +0000716template <class ELFT>
717void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
718 switch (Sec->sh_type) {
719 case ELF::SHT_REL:
Rafael Espindola2b5f8412015-06-30 15:33:44 +0000720 for (typename ELFO::Elf_Rel_Iter RI = Obj->rel_begin(Sec),
721 RE = Obj->rel_end(Sec);
Michael J. Spencer126973b2013-08-08 22:27:13 +0000722 RI != RE; ++RI) {
723 typename ELFO::Elf_Rela Rela;
724 Rela.r_offset = RI->r_offset;
725 Rela.r_info = RI->r_info;
726 Rela.r_addend = 0;
727 printRelocation(Sec, Rela);
728 }
729 break;
730 case ELF::SHT_RELA:
Rafael Espindola2b5f8412015-06-30 15:33:44 +0000731 for (typename ELFO::Elf_Rela_Iter RI = Obj->rela_begin(Sec),
732 RE = Obj->rela_end(Sec);
Michael J. Spencer126973b2013-08-08 22:27:13 +0000733 RI != RE; ++RI) {
734 printRelocation(Sec, *RI);
735 }
736 break;
Rafael Espindola1e483872013-04-25 12:28:45 +0000737 }
Michael J. Spencer126973b2013-08-08 22:27:13 +0000738}
739
740template <class ELFT>
741void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
742 typename ELFO::Elf_Rela Rel) {
743 SmallString<32> RelocName;
744 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
Rafael Espindola75d5b542015-06-03 05:14:22 +0000745 StringRef TargetName;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000746 std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
747 Obj->getRelocationSymbol(Sec, &Rel);
Rafael Espindola75d5b542015-06-03 05:14:22 +0000748 if (Sym.second && Sym.second->getType() == ELF::STT_SECTION) {
749 const Elf_Shdr *Sec = Obj->getSection(Sym.second);
750 ErrorOr<StringRef> SecName = Obj->getSectionName(Sec);
751 if (SecName)
752 TargetName = SecName.get();
753 } else if (Sym.first) {
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000754 const Elf_Shdr *SymTable = Sym.first;
Rafael Espindola6a1bfb22015-06-29 14:39:25 +0000755 const Elf_Shdr *StrTableSec = Obj->getSection(SymTable->sh_link);
756 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTable(StrTableSec);
757 if (!error(StrTableOrErr.getError()))
Rafael Espindola44c28712015-06-29 21:24:55 +0000758 TargetName = errorOrDefault(Sym.second->getName(*StrTableOrErr));
Rafael Espindola75d5b542015-06-03 05:14:22 +0000759 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000760
Nico Rieckf3f0b792013-04-12 04:01:52 +0000761 if (opts::ExpandRelocs) {
762 DictScope Group(W, "Relocation");
Michael J. Spencer126973b2013-08-08 22:27:13 +0000763 W.printHex("Offset", Rel.r_offset);
764 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
Rafael Espindola75d5b542015-06-03 05:14:22 +0000765 W.printNumber("Symbol", TargetName.size() > 0 ? TargetName : "-",
Rafael Espindola0eb2cec2014-10-17 01:34:23 +0000766 Rel.getSymbol(Obj->isMips64EL()));
Michael J. Spencer126973b2013-08-08 22:27:13 +0000767 W.printHex("Addend", Rel.r_addend);
Nico Rieckf3f0b792013-04-12 04:01:52 +0000768 } else {
769 raw_ostream& OS = W.startLine();
Rafael Espindola75d5b542015-06-03 05:14:22 +0000770 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
771 << (TargetName.size() > 0 ? TargetName : "-") << " "
772 << W.hex(Rel.r_addend) << "\n";
Nico Rieckf3f0b792013-04-12 04:01:52 +0000773 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000774}
775
776template<class ELFT>
777void ELFDumper<ELFT>::printSymbols() {
778 ListScope Group(W, "Symbols");
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000779 for (const typename ELFO::Elf_Sym &Sym : Obj->symbols())
780 printSymbol(&Sym, false);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000781}
782
783template<class ELFT>
784void ELFDumper<ELFT>::printDynamicSymbols() {
785 ListScope Group(W, "DynamicSymbols");
786
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000787 for (const typename ELFO::Elf_Sym &Sym : Obj->dynamic_symbols())
788 printSymbol(&Sym, true);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000789}
790
Michael J. Spencer126973b2013-08-08 22:27:13 +0000791template <class ELFT>
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000792void ELFDumper<ELFT>::printSymbol(const typename ELFO::Elf_Sym *Symbol,
793 bool IsDynamic) {
Simon Atanasyan414736e2014-06-10 05:59:15 +0000794 unsigned SectionIndex = 0;
Rafael Espindolacfee7ef2014-03-24 05:00:34 +0000795 StringRef SectionName;
Simon Atanasyan414736e2014-06-10 05:59:15 +0000796 getSectionNameIndex(*Obj, Symbol, SectionName, SectionIndex);
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000797 std::string FullSymbolName = getFullSymbolName(*Obj, Symbol, IsDynamic);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000798
799 DictScope D(W, "Symbol");
800 W.printNumber("Name", FullSymbolName, Symbol->st_name);
801 W.printHex ("Value", Symbol->st_value);
802 W.printNumber("Size", Symbol->st_size);
803 W.printEnum ("Binding", Symbol->getBinding(),
804 makeArrayRef(ElfSymbolBindings));
805 W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
806 W.printNumber("Other", Symbol->st_other);
Rafael Espindola10be0832014-03-25 23:44:25 +0000807 W.printHex("Section", SectionName, SectionIndex);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000808}
809
810#define LLVM_READOBJ_TYPE_CASE(name) \
811 case DT_##name: return #name
812
813static const char *getTypeString(uint64_t Type) {
814 switch (Type) {
815 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
816 LLVM_READOBJ_TYPE_CASE(DEBUG);
817 LLVM_READOBJ_TYPE_CASE(FINI);
818 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
819 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
820 LLVM_READOBJ_TYPE_CASE(FLAGS);
Davide Italianof071bd02015-05-25 19:12:18 +0000821 LLVM_READOBJ_TYPE_CASE(FLAGS_1);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000822 LLVM_READOBJ_TYPE_CASE(HASH);
823 LLVM_READOBJ_TYPE_CASE(INIT);
824 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
825 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
826 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
827 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
828 LLVM_READOBJ_TYPE_CASE(JMPREL);
829 LLVM_READOBJ_TYPE_CASE(NEEDED);
830 LLVM_READOBJ_TYPE_CASE(NULL);
831 LLVM_READOBJ_TYPE_CASE(PLTGOT);
832 LLVM_READOBJ_TYPE_CASE(PLTREL);
833 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
834 LLVM_READOBJ_TYPE_CASE(REL);
835 LLVM_READOBJ_TYPE_CASE(RELA);
836 LLVM_READOBJ_TYPE_CASE(RELENT);
837 LLVM_READOBJ_TYPE_CASE(RELSZ);
838 LLVM_READOBJ_TYPE_CASE(RELAENT);
839 LLVM_READOBJ_TYPE_CASE(RELASZ);
840 LLVM_READOBJ_TYPE_CASE(RPATH);
841 LLVM_READOBJ_TYPE_CASE(RUNPATH);
842 LLVM_READOBJ_TYPE_CASE(SONAME);
843 LLVM_READOBJ_TYPE_CASE(STRSZ);
844 LLVM_READOBJ_TYPE_CASE(STRTAB);
845 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
846 LLVM_READOBJ_TYPE_CASE(SYMENT);
847 LLVM_READOBJ_TYPE_CASE(SYMTAB);
848 LLVM_READOBJ_TYPE_CASE(TEXTREL);
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000849 LLVM_READOBJ_TYPE_CASE(VERNEED);
850 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
851 LLVM_READOBJ_TYPE_CASE(VERSYM);
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000852 LLVM_READOBJ_TYPE_CASE(RELCOUNT);
853 LLVM_READOBJ_TYPE_CASE(GNU_HASH);
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000854 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
855 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
856 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
857 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
858 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
859 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
860 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
Simon Atanasyan728d2162014-01-05 13:40:27 +0000861 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
862 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
Simon Atanasyan2da3eb12015-04-20 05:34:48 +0000863 LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000864 default: return "unknown";
865 }
866}
867
868#undef LLVM_READOBJ_TYPE_CASE
869
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000870#define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
871 { #enum, prefix##_##enum }
872
873static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
874 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
875 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
876 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
877 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
878 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
879};
880
Davide Italianof071bd02015-05-25 19:12:18 +0000881static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
882 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
883 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
884 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
885 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
886 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
887 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
888 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
889 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
890 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
891 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
892 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
893 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
894 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
895 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
896 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
897 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
898 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
899 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
900 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
901 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
902 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
903 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
904 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
905 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
906 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
907};
908
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000909static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
910 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
911 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
912 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
913 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
914 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
915 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
916 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
917 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
918 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
919 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
920 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
921 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
922 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
923 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
924 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
925 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
926};
927
928#undef LLVM_READOBJ_DT_FLAG_ENT
929
930template <typename T, typename TFlag>
931void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
932 typedef EnumEntry<TFlag> FlagEntry;
933 typedef SmallVector<FlagEntry, 10> FlagVector;
934 FlagVector SetFlags;
935
936 for (const auto &Flag : Flags) {
937 if (Flag.Value == 0)
938 continue;
939
940 if ((Value & Flag.Value) == Flag.Value)
941 SetFlags.push_back(Flag);
942 }
943
944 for (const auto &Flag : SetFlags) {
945 OS << Flag.Name << " ";
946 }
947}
948
Michael J. Spencer126973b2013-08-08 22:27:13 +0000949template <class ELFT>
950static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
951 bool Is64, raw_ostream &OS) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000952 switch (Type) {
953 case DT_PLTREL:
954 if (Value == DT_REL) {
955 OS << "REL";
956 break;
957 } else if (Value == DT_RELA) {
958 OS << "RELA";
959 break;
960 }
961 // Fallthrough.
962 case DT_PLTGOT:
963 case DT_HASH:
964 case DT_STRTAB:
965 case DT_SYMTAB:
966 case DT_RELA:
967 case DT_INIT:
968 case DT_FINI:
969 case DT_REL:
970 case DT_JMPREL:
971 case DT_INIT_ARRAY:
972 case DT_FINI_ARRAY:
973 case DT_PREINIT_ARRAY:
974 case DT_DEBUG:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000975 case DT_VERNEED:
976 case DT_VERSYM:
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000977 case DT_GNU_HASH:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000978 case DT_NULL:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000979 case DT_MIPS_BASE_ADDRESS:
980 case DT_MIPS_GOTSYM:
Simon Atanasyan728d2162014-01-05 13:40:27 +0000981 case DT_MIPS_RLD_MAP:
982 case DT_MIPS_PLTGOT:
Simon Atanasyan2da3eb12015-04-20 05:34:48 +0000983 case DT_MIPS_OPTIONS:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000984 OS << format("0x%" PRIX64, Value);
985 break;
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000986 case DT_RELCOUNT:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000987 case DT_VERNEEDNUM:
988 case DT_MIPS_RLD_VERSION:
989 case DT_MIPS_LOCAL_GOTNO:
990 case DT_MIPS_SYMTABNO:
991 case DT_MIPS_UNREFEXTNO:
992 OS << Value;
993 break;
Eric Christopher9cad53c2013-04-03 18:31:38 +0000994 case DT_PLTRELSZ:
995 case DT_RELASZ:
996 case DT_RELAENT:
997 case DT_STRSZ:
998 case DT_SYMENT:
999 case DT_RELSZ:
1000 case DT_RELENT:
1001 case DT_INIT_ARRAYSZ:
1002 case DT_FINI_ARRAYSZ:
1003 case DT_PREINIT_ARRAYSZ:
1004 OS << Value << " (bytes)";
1005 break;
1006 case DT_NEEDED:
Michael J. Spencer126973b2013-08-08 22:27:13 +00001007 OS << "SharedLibrary (" << O->getDynamicString(Value) << ")";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001008 break;
1009 case DT_SONAME:
Michael J. Spencer126973b2013-08-08 22:27:13 +00001010 OS << "LibrarySoname (" << O->getDynamicString(Value) << ")";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001011 break;
Joerg Sonnenbergerce91d012013-09-03 17:13:53 +00001012 case DT_RPATH:
1013 case DT_RUNPATH:
1014 OS << O->getDynamicString(Value);
1015 break;
Simon Atanasyanca8b5622014-05-11 08:48:09 +00001016 case DT_MIPS_FLAGS:
1017 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
1018 break;
1019 case DT_FLAGS:
1020 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
1021 break;
Davide Italianof071bd02015-05-25 19:12:18 +00001022 case DT_FLAGS_1:
1023 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
1024 break;
Michael J. Spencer594c0282015-06-25 21:47:32 +00001025 default:
1026 OS << format("0x%" PRIX64, Value);
1027 break;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001028 }
1029}
1030
1031template<class ELFT>
1032void ELFDumper<ELFT>::printUnwindInfo() {
1033 W.startLine() << "UnwindInfo not implemented.\n";
1034}
1035
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001036namespace {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001037template <> void ELFDumper<ELFType<support::little, false>>::printUnwindInfo() {
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001038 const unsigned Machine = Obj->getHeader()->e_machine;
1039 if (Machine == EM_ARM) {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001040 ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(W, Obj);
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001041 return Ctx.PrintUnwindInformation();
1042 }
1043 W.startLine() << "UnwindInfo not implemented.\n";
1044}
1045}
1046
Eric Christopher9cad53c2013-04-03 18:31:38 +00001047template<class ELFT>
1048void ELFDumper<ELFT>::printDynamicTable() {
Simon Atanasyan28a11602014-06-04 05:51:44 +00001049 auto DynTable = Obj->dynamic_table(true);
Eric Christopher9cad53c2013-04-03 18:31:38 +00001050
Simon Atanasyan28a11602014-06-04 05:51:44 +00001051 ptrdiff_t Total = std::distance(DynTable.begin(), DynTable.end());
1052 if (Total == 0)
Eric Christopher9cad53c2013-04-03 18:31:38 +00001053 return;
1054
Eric Christopher9cad53c2013-04-03 18:31:38 +00001055 raw_ostream &OS = W.getOStream();
1056 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1057
Michael J. Spencer126973b2013-08-08 22:27:13 +00001058 bool Is64 = ELFT::Is64Bits;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001059
1060 W.startLine()
1061 << " Tag" << (Is64 ? " " : " ") << "Type"
1062 << " " << "Name/Value\n";
Simon Atanasyan28a11602014-06-04 05:51:44 +00001063 for (const auto &Entry : DynTable) {
Eric Christopher9cad53c2013-04-03 18:31:38 +00001064 W.startLine()
1065 << " "
Simon Atanasyan28a11602014-06-04 05:51:44 +00001066 << format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Entry.getTag())
1067 << " " << format("%-21s", getTypeString(Entry.getTag()));
1068 printValue(Obj, Entry.getTag(), Entry.getVal(), Is64, OS);
Eric Christopher9cad53c2013-04-03 18:31:38 +00001069 OS << "\n";
1070 }
1071
1072 W.startLine() << "]\n";
1073}
1074
Eric Christopher9cad53c2013-04-03 18:31:38 +00001075template<class ELFT>
1076void ELFDumper<ELFT>::printNeededLibraries() {
1077 ListScope D(W, "NeededLibraries");
1078
Michael J. Spencer126973b2013-08-08 22:27:13 +00001079 typedef std::vector<StringRef> LibsTy;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001080 LibsTy Libs;
1081
Simon Atanasyan28a11602014-06-04 05:51:44 +00001082 for (const auto &Entry : Obj->dynamic_table())
1083 if (Entry.d_tag == ELF::DT_NEEDED)
1084 Libs.push_back(Obj->getDynamicString(Entry.d_un.d_val));
Eric Christopher9cad53c2013-04-03 18:31:38 +00001085
Michael J. Spencer126973b2013-08-08 22:27:13 +00001086 std::stable_sort(Libs.begin(), Libs.end());
Eric Christopher9cad53c2013-04-03 18:31:38 +00001087
Michael J. Spencer126973b2013-08-08 22:27:13 +00001088 for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end(); I != E; ++I) {
1089 outs() << " " << *I << "\n";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001090 }
1091}
Nico Rieckd6df0542013-04-12 04:07:39 +00001092
1093template<class ELFT>
1094void ELFDumper<ELFT>::printProgramHeaders() {
1095 ListScope L(W, "ProgramHeaders");
1096
Rafael Espindola2b5f8412015-06-30 15:33:44 +00001097 for (typename ELFO::Elf_Phdr_Iter PI = Obj->program_header_begin(),
1098 PE = Obj->program_header_end();
1099 PI != PE; ++PI) {
Nico Rieckd6df0542013-04-12 04:07:39 +00001100 DictScope P(W, "ProgramHeader");
Simon Atanasyan39ff5f62013-10-07 08:58:27 +00001101 W.printHex ("Type",
1102 getElfSegmentType(Obj->getHeader()->e_machine, PI->p_type),
1103 PI->p_type);
Nico Rieckd6df0542013-04-12 04:07:39 +00001104 W.printHex ("Offset", PI->p_offset);
1105 W.printHex ("VirtualAddress", PI->p_vaddr);
1106 W.printHex ("PhysicalAddress", PI->p_paddr);
1107 W.printNumber("FileSize", PI->p_filesz);
1108 W.printNumber("MemSize", PI->p_memsz);
1109 W.printFlags ("Flags", PI->p_flags, makeArrayRef(ElfSegmentFlags));
1110 W.printNumber("Alignment", PI->p_align);
1111 }
1112}
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001113
1114template <class ELFT>
1115void ELFDumper<ELFT>::printAttributes() {
1116 W.startLine() << "Attributes not implemented.\n";
1117}
1118
1119namespace {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001120template <> void ELFDumper<ELFType<support::little, false>>::printAttributes() {
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001121 if (Obj->getHeader()->e_machine != EM_ARM) {
1122 W.startLine() << "Attributes not implemented.\n";
1123 return;
1124 }
1125
1126 DictScope BA(W, "BuildAttributes");
Rafael Espindola13e08772015-06-30 19:24:51 +00001127 for (const ELFO::Elf_Shdr &Sec : Obj->sections()) {
1128 if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001129 continue;
1130
Rafael Espindola13e08772015-06-30 19:24:51 +00001131 ErrorOr<ArrayRef<uint8_t>> Contents = Obj->getSectionContents(&Sec);
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001132 if (!Contents)
1133 continue;
1134
1135 if ((*Contents)[0] != ARMBuildAttrs::Format_Version) {
1136 errs() << "unrecognised FormatVersion: 0x" << utohexstr((*Contents)[0])
1137 << '\n';
1138 continue;
1139 }
1140
1141 W.printHex("FormatVersion", (*Contents)[0]);
1142 if (Contents->size() == 1)
1143 continue;
1144
1145 ARMAttributeParser(W).Parse(*Contents);
1146 }
1147}
1148}
1149
Simon Atanasyan80433902014-06-18 08:47:09 +00001150namespace {
1151template <class ELFT> class MipsGOTParser {
1152public:
1153 typedef object::ELFFile<ELFT> ObjectFile;
1154 typedef typename ObjectFile::Elf_Shdr Elf_Shdr;
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001155 typedef typename ObjectFile::Elf_Sym Elf_Sym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001156
1157 MipsGOTParser(const ObjectFile *Obj, StreamWriter &W) : Obj(Obj), W(W) {}
1158
Simon Atanasyanc217c402014-06-18 09:24:01 +00001159 void parseGOT(const Elf_Shdr &GOTShdr);
Simon Atanasyan80433902014-06-18 08:47:09 +00001160
1161private:
Simon Atanasyan80433902014-06-18 08:47:09 +00001162 typedef typename ObjectFile::Elf_Addr GOTEntry;
1163 typedef typename ObjectFile::template ELFEntityIterator<const GOTEntry>
1164 GOTIter;
1165
1166 const ObjectFile *Obj;
1167 StreamWriter &W;
1168
Simon Atanasyanc217c402014-06-18 09:24:01 +00001169 std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
1170 GOTIter makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001171
1172 bool getGOTTags(uint64_t &LocalGotNum, uint64_t &GotSym);
1173 void printGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It);
1174 void printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It,
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001175 const Elf_Sym *Sym, bool IsDynamic);
Simon Atanasyan80433902014-06-18 08:47:09 +00001176};
1177}
1178
1179template <class ELFT>
Simon Atanasyanc217c402014-06-18 09:24:01 +00001180void MipsGOTParser<ELFT>::parseGOT(const Elf_Shdr &GOTShdr) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001181 // See "Global Offset Table" in Chapter 5 in the following document
1182 // for detailed GOT description.
1183 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
1184
1185 ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(&GOTShdr);
1186 if (!GOT) {
1187 W.startLine() << "The .got section is empty.\n";
1188 return;
1189 }
1190
1191 uint64_t DtLocalGotNum;
1192 uint64_t DtGotSym;
1193 if (!getGOTTags(DtLocalGotNum, DtGotSym))
1194 return;
1195
Simon Atanasyanc217c402014-06-18 09:24:01 +00001196 if (DtLocalGotNum > getGOTTotal(*GOT)) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001197 W.startLine() << "MIPS_LOCAL_GOTNO exceeds a number of GOT entries.\n";
1198 return;
1199 }
1200
Rafael Espindola2b5f8412015-06-30 15:33:44 +00001201 const Elf_Sym *DynSymBegin = Obj->dynamic_symbol_begin();
1202 const Elf_Sym *DynSymEnd = Obj->dynamic_symbol_end();
Simon Atanasyan80433902014-06-18 08:47:09 +00001203 std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
1204
Simon Atanasyan5a63aa32014-07-05 19:28:49 +00001205 if (DtGotSym > DynSymTotal) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001206 W.startLine() << "MIPS_GOTSYM exceeds a number of dynamic symbols.\n";
1207 return;
1208 }
1209
1210 std::size_t GlobalGotNum = DynSymTotal - DtGotSym;
1211
Simon Atanasyanc217c402014-06-18 09:24:01 +00001212 if (DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT)) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001213 W.startLine() << "Number of global GOT entries exceeds the size of GOT.\n";
1214 return;
1215 }
1216
Simon Atanasyanc217c402014-06-18 09:24:01 +00001217 GOTIter GotBegin = makeGOTIter(*GOT, 0);
1218 GOTIter GotLocalEnd = makeGOTIter(*GOT, DtLocalGotNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001219 GOTIter It = GotBegin;
1220
1221 DictScope GS(W, "Primary GOT");
1222
1223 W.printHex("Canonical gp value", GOTShdr.sh_addr + 0x7ff0);
1224 {
1225 ListScope RS(W, "Reserved entries");
1226
1227 {
1228 DictScope D(W, "Entry");
1229 printGotEntry(GOTShdr.sh_addr, GotBegin, It++);
1230 W.printString("Purpose", StringRef("Lazy resolver"));
1231 }
1232
1233 if (It != GotLocalEnd && (*It >> (sizeof(GOTEntry) * 8 - 1)) != 0) {
1234 DictScope D(W, "Entry");
1235 printGotEntry(GOTShdr.sh_addr, GotBegin, It++);
1236 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
1237 }
1238 }
1239 {
1240 ListScope LS(W, "Local entries");
1241 for (; It != GotLocalEnd; ++It) {
1242 DictScope D(W, "Entry");
1243 printGotEntry(GOTShdr.sh_addr, GotBegin, It);
1244 }
1245 }
1246 {
1247 ListScope GS(W, "Global entries");
1248
Simon Atanasyanc217c402014-06-18 09:24:01 +00001249 GOTIter GotGlobalEnd = makeGOTIter(*GOT, DtLocalGotNum + GlobalGotNum);
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001250 const Elf_Sym *GotDynSym = DynSymBegin + DtGotSym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001251 for (; It != GotGlobalEnd; ++It) {
1252 DictScope D(W, "Entry");
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001253 printGlobalGotEntry(GOTShdr.sh_addr, GotBegin, It, GotDynSym++, true);
Simon Atanasyan80433902014-06-18 08:47:09 +00001254 }
1255 }
1256
Simon Atanasyanc217c402014-06-18 09:24:01 +00001257 std::size_t SpecGotNum = getGOTTotal(*GOT) - DtLocalGotNum - GlobalGotNum;
Simon Atanasyana4ba8ec2014-06-18 09:23:55 +00001258 W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
Simon Atanasyan80433902014-06-18 08:47:09 +00001259}
1260
1261template <class ELFT>
Simon Atanasyanc217c402014-06-18 09:24:01 +00001262std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
Simon Atanasyan80433902014-06-18 08:47:09 +00001263 return GOT.size() / sizeof(GOTEntry);
1264}
1265
1266template <class ELFT>
1267typename MipsGOTParser<ELFT>::GOTIter
Simon Atanasyanc217c402014-06-18 09:24:01 +00001268MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001269 const char *Data = reinterpret_cast<const char *>(GOT.data());
1270 return GOTIter(sizeof(GOTEntry), Data + EntryNum * sizeof(GOTEntry));
1271}
1272
1273template <class ELFT>
1274bool MipsGOTParser<ELFT>::getGOTTags(uint64_t &LocalGotNum, uint64_t &GotSym) {
1275 bool FoundLocalGotNum = false;
1276 bool FoundGotSym = false;
1277 for (const auto &Entry : Obj->dynamic_table()) {
1278 switch (Entry.getTag()) {
1279 case ELF::DT_MIPS_LOCAL_GOTNO:
1280 LocalGotNum = Entry.getVal();
1281 FoundLocalGotNum = true;
1282 break;
1283 case ELF::DT_MIPS_GOTSYM:
1284 GotSym = Entry.getVal();
1285 FoundGotSym = true;
1286 break;
1287 }
1288 }
1289
1290 if (!FoundLocalGotNum) {
1291 W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
1292 return false;
1293 }
1294
1295 if (!FoundGotSym) {
1296 W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
1297 return false;
1298 }
1299
1300 return true;
1301}
1302
1303template <class ELFT>
1304void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr, GOTIter BeginIt,
1305 GOTIter It) {
1306 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1307 W.printHex("Address", GotAddr + Offset);
1308 W.printNumber("Access", Offset - 0x7ff0);
1309 W.printHex("Initial", *It);
1310}
1311
1312template <class ELFT>
1313void MipsGOTParser<ELFT>::printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt,
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001314 GOTIter It, const Elf_Sym *Sym,
1315 bool IsDynamic) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001316 printGotEntry(GotAddr, BeginIt, It);
1317
1318 W.printHex("Value", Sym->st_value);
1319 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1320
1321 unsigned SectionIndex = 0;
1322 StringRef SectionName;
1323 getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
1324 W.printHex("Section", SectionName, SectionIndex);
1325
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001326 std::string FullSymbolName = getFullSymbolName(*Obj, Sym, IsDynamic);
Simon Atanasyan80433902014-06-18 08:47:09 +00001327 W.printNumber("Name", FullSymbolName, Sym->st_name);
1328}
1329
1330template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
1331 if (Obj->getHeader()->e_machine != EM_MIPS) {
1332 W.startLine() << "MIPS PLT GOT is available for MIPS targets only.\n";
1333 return;
1334 }
1335
1336 llvm::Optional<uint64_t> DtPltGot;
1337 for (const auto &Entry : Obj->dynamic_table()) {
1338 if (Entry.getTag() == ELF::DT_PLTGOT) {
1339 DtPltGot = Entry.getVal();
1340 break;
1341 }
1342 }
1343
1344 if (!DtPltGot) {
1345 W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
1346 return;
1347 }
1348
1349 const Elf_Shdr *GotShdr = findSectionByAddress(Obj, *DtPltGot);
1350 if (!GotShdr) {
1351 W.startLine() << "There is no .got section in the file.\n";
1352 return;
1353 }
1354
Simon Atanasyanc217c402014-06-18 09:24:01 +00001355 MipsGOTParser<ELFT>(Obj, W).parseGOT(*GotShdr);
Simon Atanasyan80433902014-06-18 08:47:09 +00001356}
Simon Atanasyanc914de22015-05-07 15:40:35 +00001357
1358static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
1359 {"None", Mips::AFL_EXT_NONE},
1360 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
1361 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
1362 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
1363 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
1364 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
1365 {"LSI R4010", Mips::AFL_EXT_4010},
1366 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
1367 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
1368 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
1369 {"MIPS R4650", Mips::AFL_EXT_4650},
1370 {"MIPS R5900", Mips::AFL_EXT_5900},
1371 {"MIPS R10000", Mips::AFL_EXT_10000},
1372 {"NEC VR4100", Mips::AFL_EXT_4100},
1373 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
1374 {"NEC VR4120", Mips::AFL_EXT_4120},
1375 {"NEC VR5400", Mips::AFL_EXT_5400},
1376 {"NEC VR5500", Mips::AFL_EXT_5500},
1377 {"RMI Xlr", Mips::AFL_EXT_XLR},
1378 {"Toshiba R3900", Mips::AFL_EXT_3900}
1379};
1380
1381static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
1382 {"DSP", Mips::AFL_ASE_DSP},
1383 {"DSPR2", Mips::AFL_ASE_DSPR2},
1384 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
1385 {"MCU", Mips::AFL_ASE_MCU},
1386 {"MDMX", Mips::AFL_ASE_MDMX},
1387 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
1388 {"MT", Mips::AFL_ASE_MT},
1389 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
1390 {"VZ", Mips::AFL_ASE_VIRT},
1391 {"MSA", Mips::AFL_ASE_MSA},
1392 {"MIPS16", Mips::AFL_ASE_MIPS16},
1393 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
1394 {"XPA", Mips::AFL_ASE_XPA}
1395};
1396
1397static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
1398 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
1399 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
1400 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
1401 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
1402 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
1403 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
1404 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
1405 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
1406 {"Hard float compat (32-bit CPU, 64-bit FPU)",
1407 Mips::Val_GNU_MIPS_ABI_FP_64A}
1408};
1409
1410static const EnumEntry<unsigned> ElfMipsFlags1[] {
1411 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
1412};
1413
1414static int getMipsRegisterSize(uint8_t Flag) {
1415 switch (Flag) {
1416 case Mips::AFL_REG_NONE:
1417 return 0;
1418 case Mips::AFL_REG_32:
1419 return 32;
1420 case Mips::AFL_REG_64:
1421 return 64;
1422 case Mips::AFL_REG_128:
1423 return 128;
1424 default:
1425 return -1;
1426 }
1427}
1428
1429template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
1430 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
1431 if (!Shdr) {
1432 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
1433 return;
1434 }
1435 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1436 if (!Sec) {
1437 W.startLine() << "The .MIPS.abiflags section is empty.\n";
1438 return;
1439 }
1440 if (Sec->size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
1441 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
1442 return;
1443 }
1444
1445 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec->data());
1446
1447 raw_ostream &OS = W.getOStream();
1448 DictScope GS(W, "MIPS ABI Flags");
1449
1450 W.printNumber("Version", Flags->version);
1451 W.startLine() << "ISA: ";
1452 if (Flags->isa_rev <= 1)
1453 OS << format("MIPS%u", Flags->isa_level);
1454 else
1455 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
1456 OS << "\n";
1457 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
1458 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
1459 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
1460 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
1461 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
1462 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
1463 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
1464 W.printHex("Flags 2", Flags->flags2);
1465}
Simon Atanasyan6e07e932015-06-16 21:47:43 +00001466
1467template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
1468 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
1469 if (!Shdr) {
1470 W.startLine() << "There is no .reginfo section in the file.\n";
1471 return;
1472 }
1473 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1474 if (!Sec) {
1475 W.startLine() << "The .reginfo section is empty.\n";
1476 return;
1477 }
1478 if (Sec->size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
1479 W.startLine() << "The .reginfo section has a wrong size.\n";
1480 return;
1481 }
1482
1483 auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec->data());
1484
1485 DictScope GS(W, "MIPS RegInfo");
1486 W.printHex("GP", Reginfo->ri_gp_value);
1487 W.printHex("General Mask", Reginfo->ri_gprmask);
1488 W.printHex("Co-Proc Mask0", Reginfo->ri_cprmask[0]);
1489 W.printHex("Co-Proc Mask1", Reginfo->ri_cprmask[1]);
1490 W.printHex("Co-Proc Mask2", Reginfo->ri_cprmask[2]);
1491 W.printHex("Co-Proc Mask3", Reginfo->ri_cprmask[3]);
1492}
Lang Hames0000afd2015-06-26 23:56:53 +00001493
1494template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
1495 const typename ELFFile<ELFT>::Elf_Shdr *StackMapSection = nullptr;
1496 for (const auto &Sec : Obj->sections()) {
1497 ErrorOr<StringRef> Name = Obj->getSectionName(&Sec);
1498 if (*Name == ".llvm_stackmaps") {
1499 StackMapSection = &Sec;
1500 break;
1501 }
1502 }
1503
1504 if (!StackMapSection)
1505 return;
1506
1507 StringRef StackMapContents;
1508 ErrorOr<ArrayRef<uint8_t>> StackMapContentsArray =
1509 Obj->getSectionContents(StackMapSection);
1510
1511 prettyPrintStackMap(
1512 llvm::outs(),
1513 StackMapV1Parser<ELFT::TargetEndianness>(*StackMapContentsArray));
1514}