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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:
Rafael Espindolabbfd90f2015-07-21 20:50:53 +000045 ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer);
Eric Christopher9cad53c2013-04-03 18:31:38 +000046
Craig Toppere56917c2014-03-08 08:27:28 +000047 void printFileHeaders() override;
48 void printSections() override;
49 void printRelocations() override;
Michael J. Spencer594c0282015-06-25 21:47:32 +000050 void printDynamicRelocations() override;
Craig Toppere56917c2014-03-08 08:27:28 +000051 void printSymbols() override;
52 void printDynamicSymbols() override;
53 void printUnwindInfo() override;
Eric Christopher9cad53c2013-04-03 18:31:38 +000054
Craig Toppere56917c2014-03-08 08:27:28 +000055 void printDynamicTable() override;
56 void printNeededLibraries() override;
57 void printProgramHeaders() override;
Michael J. Spencer20546ff2015-07-09 22:32:24 +000058 void printHashTable() override;
Rafael Espindola33e746f22015-07-21 13:48:41 +000059 void printLoadName() override;
Eric Christopher9cad53c2013-04-03 18:31:38 +000060
Craig Toppere56917c2014-03-08 08:27:28 +000061 void printAttributes() override;
Simon Atanasyan80433902014-06-18 08:47:09 +000062 void printMipsPLTGOT() override;
Simon Atanasyanc914de22015-05-07 15:40:35 +000063 void printMipsABIFlags() override;
Simon Atanasyan6e07e932015-06-16 21:47:43 +000064 void printMipsReginfo() override;
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +000065
Lang Hames0000afd2015-06-26 23:56:53 +000066 void printStackMap() const override;
67
Eric Christopher9cad53c2013-04-03 18:31:38 +000068private:
Michael J. Spencer126973b2013-08-08 22:27:13 +000069 typedef ELFFile<ELFT> ELFO;
Nico Rieckd6df0542013-04-12 04:07:39 +000070 typedef typename ELFO::Elf_Shdr Elf_Shdr;
71 typedef typename ELFO::Elf_Sym Elf_Sym;
Rafael Espindolabbfd90f2015-07-21 20:50:53 +000072 typedef typename ELFO::Elf_Dyn Elf_Dyn;
73 typedef typename ELFO::Elf_Dyn_Range Elf_Dyn_Range;
74 typedef typename ELFO::Elf_Rela Elf_Rela;
75 typedef typename ELFO::Elf_Rela_Range Elf_Rela_Range;
76 typedef typename ELFO::Elf_Phdr Elf_Phdr;
77 typedef typename ELFO::Elf_Hash Elf_Hash;
78 typedef typename ELFO::uintX_t uintX_t;
79
80 /// \brief Represents a region described by entries in the .dynamic table.
81 struct DynRegionInfo {
82 DynRegionInfo() : Addr(nullptr), Size(0), EntSize(0) {}
83 /// \brief Address in current address space.
84 const void *Addr;
85 /// \brief Size in bytes of the region.
86 uintX_t Size;
87 /// \brief Size of each entity in the region.
88 uintX_t EntSize;
89 };
Eric Christopher9cad53c2013-04-03 18:31:38 +000090
Rafael Espindola8d6b63c2015-07-21 16:02:10 +000091 void printSymbol(const Elf_Sym *Symbol, StringRef StrTable, bool IsDynamic);
Eric Christopher9cad53c2013-04-03 18:31:38 +000092
Michael J. Spencer126973b2013-08-08 22:27:13 +000093 void printRelocations(const Elf_Shdr *Sec);
94 void printRelocation(const Elf_Shdr *Sec, typename ELFO::Elf_Rela Rel);
Rafael Espindola3a0b1dc2015-07-21 19:57:43 +000095 void printValue(uint64_t Type, uint64_t Value);
Eric Christopher9cad53c2013-04-03 18:31:38 +000096
Rafael Espindolabbfd90f2015-07-21 20:50:53 +000097 const Elf_Rela *dyn_rela_begin() const;
98 const Elf_Rela *dyn_rela_end() const;
99 Elf_Rela_Range dyn_relas() const;
100 StringRef getDynamicString(uint64_t Offset) const;
101 const Elf_Dyn *dynamic_table_begin() const;
102 const Elf_Dyn *dynamic_table_end() const;
103 Elf_Dyn_Range dynamic_table() const {
104 return make_range(dynamic_table_begin(), dynamic_table_end());
105 }
106
Nico Rieckd6df0542013-04-12 04:07:39 +0000107 const ELFO *Obj;
Rafael Espindolabbfd90f2015-07-21 20:50:53 +0000108 DynRegionInfo DynRelaRegion;
109 DynRegionInfo DynamicRegion;
110 StringRef DynamicStringTable;
111 StringRef SOName;
112 const Elf_Hash *HashTable = nullptr;
Eric Christopher9cad53c2013-04-03 18:31:38 +0000113};
114
Michael J. Spencer126973b2013-08-08 22:27:13 +0000115template <class T> T errorOrDefault(ErrorOr<T> Val, T Default = T()) {
116 if (!Val) {
Rafael Espindola1c704b42014-01-08 22:03:39 +0000117 error(Val.getError());
Michael J. Spencer126973b2013-08-08 22:27:13 +0000118 return Default;
119 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000120
Michael J. Spencer126973b2013-08-08 22:27:13 +0000121 return *Val;
122}
123} // namespace
Eric Christopher9cad53c2013-04-03 18:31:38 +0000124
125namespace llvm {
126
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000127template <class ELFT>
Rafael Espindola4453e42942014-06-13 03:07:50 +0000128static std::error_code createELFDumper(const ELFFile<ELFT> *Obj,
129 StreamWriter &Writer,
130 std::unique_ptr<ObjDumper> &Result) {
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000131 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
132 return readobj_error::success;
133}
134
Rafael Espindola4453e42942014-06-13 03:07:50 +0000135std::error_code createELFDumper(const object::ObjectFile *Obj,
136 StreamWriter &Writer,
137 std::unique_ptr<ObjDumper> &Result) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000138 // Little-endian 32-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000139 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000140 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000141
142 // Big-endian 32-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000143 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000144 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000145
146 // Little-endian 64-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000147 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000148 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000149
150 // Big-endian 64-bit
Rafael Espindola2f44bf22013-05-09 13:13:28 +0000151 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
Michael J. Spencer126973b2013-08-08 22:27:13 +0000152 return createELFDumper(ELFObj->getELFFile(), Writer, Result);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000153
154 return readobj_error::unsupported_obj_file_format;
155}
156
157} // namespace llvm
158
Simon Atanasyan414736e2014-06-10 05:59:15 +0000159template <typename ELFO>
160static std::string getFullSymbolName(const ELFO &Obj,
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000161 const typename ELFO::Elf_Sym *Symbol,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000162 StringRef StrTable, bool IsDynamic) {
163 StringRef SymbolName = errorOrDefault(Symbol->getName(StrTable));
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000164 if (!IsDynamic)
Simon Atanasyan414736e2014-06-10 05:59:15 +0000165 return SymbolName;
166
167 std::string FullSymbolName(SymbolName);
168
169 bool IsDefault;
Rafael Espindolabbfd90f2015-07-21 20:50:53 +0000170 ErrorOr<StringRef> Version =
171 Obj.getSymbolVersion(StrTable, &*Symbol, IsDefault);
Simon Atanasyan414736e2014-06-10 05:59:15 +0000172 if (Version) {
173 FullSymbolName += (IsDefault ? "@@" : "@");
174 FullSymbolName += *Version;
175 } else
176 error(Version.getError());
177 return FullSymbolName;
178}
179
180template <typename ELFO>
181static void
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000182getSectionNameIndex(const ELFO &Obj, const typename ELFO::Elf_Sym *Symbol,
Simon Atanasyan414736e2014-06-10 05:59:15 +0000183 StringRef &SectionName, unsigned &SectionIndex) {
184 SectionIndex = Symbol->st_shndx;
Davide Italiano056decb2015-06-08 04:55:29 +0000185 if (Symbol->isUndefined())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000186 SectionName = "Undefined";
Davide Italiano056decb2015-06-08 04:55:29 +0000187 else if (Symbol->isProcessorSpecific())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000188 SectionName = "Processor Specific";
Davide Italiano056decb2015-06-08 04:55:29 +0000189 else if (Symbol->isOSSpecific())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000190 SectionName = "Operating System Specific";
Davide Italiano056decb2015-06-08 04:55:29 +0000191 else if (Symbol->isAbsolute())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000192 SectionName = "Absolute";
Davide Italiano056decb2015-06-08 04:55:29 +0000193 else if (Symbol->isCommon())
Simon Atanasyan414736e2014-06-10 05:59:15 +0000194 SectionName = "Common";
Rafael Espindolac74ac022015-06-12 17:23:39 +0000195 else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
196 SectionName = "Reserved";
Davide Italiano056decb2015-06-08 04:55:29 +0000197 else {
Simon Atanasyan414736e2014-06-10 05:59:15 +0000198 if (SectionIndex == SHN_XINDEX)
Rafael Espindolad68fb742015-06-24 14:48:54 +0000199 SectionIndex = Obj.getExtendedSymbolTableIndex(&*Symbol);
Rafael Espindola6def3042015-07-01 12:56:27 +0000200 ErrorOr<const typename ELFO::Elf_Shdr *> Sec = Obj.getSection(SectionIndex);
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000201 error(Sec.getError());
202 SectionName = errorOrDefault(Obj.getSectionName(*Sec));
Simon Atanasyan414736e2014-06-10 05:59:15 +0000203 }
204}
205
Simon Atanasyan80433902014-06-18 08:47:09 +0000206template <class ELFT>
207static const typename ELFFile<ELFT>::Elf_Shdr *
208findSectionByAddress(const ELFFile<ELFT> *Obj, uint64_t Addr) {
209 for (const auto &Shdr : Obj->sections())
210 if (Shdr.sh_addr == Addr)
211 return &Shdr;
212 return nullptr;
213}
214
Simon Atanasyanc914de22015-05-07 15:40:35 +0000215template <class ELFT>
216static const typename ELFFile<ELFT>::Elf_Shdr *
217findSectionByName(const ELFFile<ELFT> &Obj, StringRef Name) {
218 for (const auto &Shdr : Obj.sections()) {
219 if (Name == errorOrDefault(Obj.getSectionName(&Shdr)))
220 return &Shdr;
221 }
222 return nullptr;
223}
224
Eric Christopher9cad53c2013-04-03 18:31:38 +0000225static const EnumEntry<unsigned> ElfClass[] = {
226 { "None", ELF::ELFCLASSNONE },
227 { "32-bit", ELF::ELFCLASS32 },
228 { "64-bit", ELF::ELFCLASS64 },
229};
230
231static const EnumEntry<unsigned> ElfDataEncoding[] = {
232 { "None", ELF::ELFDATANONE },
233 { "LittleEndian", ELF::ELFDATA2LSB },
234 { "BigEndian", ELF::ELFDATA2MSB },
235};
236
237static const EnumEntry<unsigned> ElfObjectFileType[] = {
238 { "None", ELF::ET_NONE },
239 { "Relocatable", ELF::ET_REL },
240 { "Executable", ELF::ET_EXEC },
241 { "SharedObject", ELF::ET_DYN },
242 { "Core", ELF::ET_CORE },
243};
244
245static const EnumEntry<unsigned> ElfOSABI[] = {
246 { "SystemV", ELF::ELFOSABI_NONE },
247 { "HPUX", ELF::ELFOSABI_HPUX },
248 { "NetBSD", ELF::ELFOSABI_NETBSD },
249 { "GNU/Linux", ELF::ELFOSABI_LINUX },
250 { "GNU/Hurd", ELF::ELFOSABI_HURD },
251 { "Solaris", ELF::ELFOSABI_SOLARIS },
252 { "AIX", ELF::ELFOSABI_AIX },
253 { "IRIX", ELF::ELFOSABI_IRIX },
254 { "FreeBSD", ELF::ELFOSABI_FREEBSD },
255 { "TRU64", ELF::ELFOSABI_TRU64 },
256 { "Modesto", ELF::ELFOSABI_MODESTO },
257 { "OpenBSD", ELF::ELFOSABI_OPENBSD },
258 { "OpenVMS", ELF::ELFOSABI_OPENVMS },
259 { "NSK", ELF::ELFOSABI_NSK },
260 { "AROS", ELF::ELFOSABI_AROS },
261 { "FenixOS", ELF::ELFOSABI_FENIXOS },
Ed Schoutendae71892015-03-09 18:40:45 +0000262 { "CloudABI", ELF::ELFOSABI_CLOUDABI },
Eric Christopher9cad53c2013-04-03 18:31:38 +0000263 { "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
264 { "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
265 { "ARM", ELF::ELFOSABI_ARM },
266 { "Standalone" , ELF::ELFOSABI_STANDALONE }
267};
268
269static const EnumEntry<unsigned> ElfMachineType[] = {
270 LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
271 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
272 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
273 LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
274 LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
275 LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
Rafael Espindola9fed2502015-06-19 14:34:12 +0000276 LLVM_READOBJ_ENUM_ENT(ELF, EM_IAMCU ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000277 LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
278 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
279 LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
280 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
281 LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
282 LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
283 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
284 LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
285 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
286 LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
287 LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
288 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
289 LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
290 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
291 LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
292 LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
293 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
294 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
295 LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
296 LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
297 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
298 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
299 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
300 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
301 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
302 LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
303 LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
304 LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
305 LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
306 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
307 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
308 LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
309 LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
310 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
311 LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
312 LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
313 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
314 LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
315 LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
316 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
317 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
318 LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
319 LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
320 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
321 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
322 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
323 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
324 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
325 LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
326 LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
327 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
328 LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
329 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
330 LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
331 LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
332 LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
333 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
334 LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
335 LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
336 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
337 LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
338 LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
339 LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
340 LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
341 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
342 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
343 LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
344 LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
345 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
346 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
347 LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
348 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
349 LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
350 LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
351 LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
352 LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
353 LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
354 LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
355 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
356 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
357 LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
358 LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
359 LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
360 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
361 LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
362 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
363 LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
364 LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
365 LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
366 LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
367 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
368 LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
369 LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
370 LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
371 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
372 LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
373 LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
374 LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
375 LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
376 LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
377 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
378 LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
379 LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
380 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
381 LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
382 LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
383 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
384 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
385 LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
386 LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
387 LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
388 LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
389 LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
390 LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
391 LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
392 LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
393 LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
394 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
395 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
396 LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
397 LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
398 LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
399 LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
400 LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
401 LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
402 LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
403 LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
404 LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
405 LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
406 LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
407 LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
408 LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
409 LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
410 LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
411 LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
412 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
413 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000414 LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
415 LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
416 LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
417 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
418 LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
419 LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
420 LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
421 LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
422 LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
423 LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
Tom Stellard24288b82015-06-22 21:03:47 +0000424 LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX ),
425 LLVM_READOBJ_ENUM_ENT(ELF, EM_AMDGPU )
Eric Christopher9cad53c2013-04-03 18:31:38 +0000426};
427
428static const EnumEntry<unsigned> ElfSymbolBindings[] = {
Rafael Espindola5fa925e2015-01-23 04:44:35 +0000429 { "Local", ELF::STB_LOCAL },
430 { "Global", ELF::STB_GLOBAL },
431 { "Weak", ELF::STB_WEAK },
432 { "Unique", ELF::STB_GNU_UNIQUE }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000433};
434
435static const EnumEntry<unsigned> ElfSymbolTypes[] = {
436 { "None", ELF::STT_NOTYPE },
437 { "Object", ELF::STT_OBJECT },
438 { "Function", ELF::STT_FUNC },
439 { "Section", ELF::STT_SECTION },
440 { "File", ELF::STT_FILE },
441 { "Common", ELF::STT_COMMON },
442 { "TLS", ELF::STT_TLS },
443 { "GNU_IFunc", ELF::STT_GNU_IFUNC }
444};
445
446static const char *getElfSectionType(unsigned Arch, unsigned Type) {
447 switch (Arch) {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000448 case ELF::EM_ARM:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000449 switch (Type) {
450 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
451 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
452 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
453 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
454 LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
455 }
Michael J. Spencer126973b2013-08-08 22:27:13 +0000456 case ELF::EM_HEXAGON:
457 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
458 case ELF::EM_X86_64:
459 switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
460 case ELF::EM_MIPS:
461 case ELF::EM_MIPS_RS3_LE:
Eric Christopher9cad53c2013-04-03 18:31:38 +0000462 switch (Type) {
463 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
464 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
Simon Atanasyan1cd169f2014-07-13 15:28:54 +0000465 LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_ABIFLAGS);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000466 }
467 }
468
469 switch (Type) {
470 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
471 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
472 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
473 LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
474 LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
475 LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
476 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
477 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
478 LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
479 LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
480 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
481 LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
482 LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
483 LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
484 LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
485 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
486 LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
487 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
488 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
489 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
490 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
491 LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
492 default: return "";
493 }
494}
495
496static const EnumEntry<unsigned> ElfSectionFlags[] = {
497 LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
498 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
Benjamin Kramerac511ca2013-09-15 19:53:20 +0000499 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXCLUDE ),
Eric Christopher9cad53c2013-04-03 18:31:38 +0000500 LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
501 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
502 LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
503 LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
504 LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
505 LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
506 LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
507 LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
508 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
509 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
510 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
511};
512
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000513static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
514 // Check potentially overlapped processor-specific
515 // program header type.
516 switch (Arch) {
517 case ELF::EM_ARM:
518 switch (Type) {
519 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
520 }
521 case ELF::EM_MIPS:
522 case ELF::EM_MIPS_RS3_LE:
523 switch (Type) {
524 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
525 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
526 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
Simon Atanasyaneeb2fa92015-05-15 15:59:22 +0000527 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000528 }
529 }
Nico Rieckd6df0542013-04-12 04:07:39 +0000530
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000531 switch (Type) {
532 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
533 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
534 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
535 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
536 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
537 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
538 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
539 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
Nico Rieckd6df0542013-04-12 04:07:39 +0000540
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000541 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
542 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
Nico Rieckd6df0542013-04-12 04:07:39 +0000543
Simon Atanasyan39ff5f62013-10-07 08:58:27 +0000544 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
545 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
546 default: return "";
547 }
548}
Nico Rieckd6df0542013-04-12 04:07:39 +0000549
550static const EnumEntry<unsigned> ElfSegmentFlags[] = {
551 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
552 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
553 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
554};
555
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000556static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
557 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NOREORDER),
558 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_PIC),
559 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
560 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
561 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000562 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_FP64),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000563 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
564 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000565 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O64),
566 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI32),
567 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI64),
Simon Atanasyan40e7eb12015-05-08 07:04:59 +0000568 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_3900),
569 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4010),
570 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4100),
571 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4650),
572 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4120),
573 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4111),
574 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_SB1),
575 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON),
576 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_XLR),
577 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON2),
578 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON3),
579 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5400),
580 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5900),
581 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5500),
582 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_9000),
583 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2E),
584 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2F),
585 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS3A),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000586 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
587 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
Simon Atanasyan67bdc792015-05-07 14:04:44 +0000588 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_MDMX),
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000589 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
590 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
591 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
592 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_4),
593 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_5),
594 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32),
595 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64),
596 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R2),
Simon Atanasyan9cb40902014-05-20 09:27:49 +0000597 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R2),
598 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R6),
599 LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R6)
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000600};
601
Rafael Espindolabbfd90f2015-07-21 20:50:53 +0000602template <typename ELFT>
603ELFDumper<ELFT>::ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer)
604 : ObjDumper(Writer), Obj(Obj) {
605
606 SmallVector<const Elf_Phdr *, 4> LoadSegments;
607 for (const Elf_Phdr &Phdr : Obj->program_headers()) {
608 if (Phdr.p_type == ELF::PT_DYNAMIC) {
609 DynamicRegion.Addr = Obj->base() + Phdr.p_offset;
610 uint64_t Size = Phdr.p_filesz;
611 if (Size % sizeof(Elf_Dyn))
612 report_fatal_error("Invalid dynamic table size");
613 DynamicRegion.Size = Phdr.p_filesz;
614 continue;
615 }
616 if (Phdr.p_type != ELF::PT_LOAD || Phdr.p_filesz == 0)
617 continue;
618 LoadSegments.push_back(&Phdr);
619 }
620
621 auto toMappedAddr = [&](uint64_t VAddr) -> const uint8_t * {
622 const Elf_Phdr **I = std::upper_bound(
623 LoadSegments.begin(), LoadSegments.end(), VAddr, compareAddr<ELFT>);
624 if (I == LoadSegments.begin())
625 report_fatal_error("Virtual address is not in any segment");
626 --I;
627 const Elf_Phdr &Phdr = **I;
628 uint64_t Delta = VAddr - Phdr.p_vaddr;
629 if (Delta >= Phdr.p_filesz)
630 report_fatal_error("Virtual address is not in any segment");
631 return Obj->base() + Phdr.p_offset + Delta;
632 };
633
634 uint64_t SONameOffset = 0;
635 const char *StringTableBegin = nullptr;
636 uint64_t StringTableSize = 0;
637 for (const Elf_Dyn &Dyn : dynamic_table()) {
638 switch (Dyn.d_tag) {
639 case ELF::DT_HASH:
640 HashTable =
641 reinterpret_cast<const Elf_Hash *>(toMappedAddr(Dyn.getPtr()));
642 break;
643 case ELF::DT_RELA:
644 DynRelaRegion.Addr = toMappedAddr(Dyn.getPtr());
645 break;
646 case ELF::DT_RELASZ:
647 DynRelaRegion.Size = Dyn.getVal();
648 break;
649 case ELF::DT_RELAENT:
650 DynRelaRegion.EntSize = Dyn.getVal();
651 break;
652 case ELF::DT_SONAME:
653 SONameOffset = Dyn.getVal();
654 break;
655 case ELF::DT_STRTAB:
656 StringTableBegin = (const char *)toMappedAddr(Dyn.getPtr());
657 break;
658 case ELF::DT_STRSZ:
659 StringTableSize = Dyn.getVal();
660 break;
661 }
662 }
663 if (StringTableBegin)
664 DynamicStringTable = StringRef(StringTableBegin, StringTableSize);
665 if (SONameOffset)
666 SOName = getDynamicString(SONameOffset);
667}
668
669template <typename ELFT>
670const typename ELFDumper<ELFT>::Elf_Rela *
671ELFDumper<ELFT>::dyn_rela_begin() const {
672 if (DynRelaRegion.Size && DynRelaRegion.EntSize != sizeof(Elf_Rela))
673 report_fatal_error("Invalid relocation entry size");
674 return reinterpret_cast<const Elf_Rela *>(DynRelaRegion.Addr);
675}
676
677template <typename ELFT>
678const typename ELFDumper<ELFT>::Elf_Rela *
679ELFDumper<ELFT>::dyn_rela_end() const {
680 uint64_t Size = DynRelaRegion.Size;
681 if (Size % sizeof(Elf_Rela))
682 report_fatal_error("Invalid relocation table size");
683 return dyn_rela_begin() + Size / sizeof(Elf_Rela);
684}
685
686template <typename ELFT>
687typename ELFDumper<ELFT>::Elf_Rela_Range ELFDumper<ELFT>::dyn_relas() const {
688 return make_range(dyn_rela_begin(), dyn_rela_end());
689}
690
691template <typename ELFT>
692const typename ELFDumper<ELFT>::Elf_Dyn *
693ELFDumper<ELFT>::dynamic_table_begin() const {
694 return reinterpret_cast<const Elf_Dyn *>(DynamicRegion.Addr);
695}
696
697template <typename ELFT>
698const typename ELFDumper<ELFT>::Elf_Dyn *
699ELFDumper<ELFT>::dynamic_table_end() const {
700 uint64_t Size = DynamicRegion.Size;
701 return dynamic_table_begin() + Size / sizeof(Elf_Dyn);
702}
703
Eric Christopher9cad53c2013-04-03 18:31:38 +0000704template<class ELFT>
705void ELFDumper<ELFT>::printFileHeaders() {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000706 const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000707
708 {
709 DictScope D(W, "ElfHeader");
710 {
711 DictScope D(W, "Ident");
712 W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
713 4));
714 W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
715 makeArrayRef(ElfClass));
716 W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
717 makeArrayRef(ElfDataEncoding));
718 W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
Tom Stellard91efe9c2015-06-26 21:15:11 +0000719
720 // Handle architecture specific OS/ABI values.
721 if (Header->e_machine == ELF::EM_AMDGPU &&
722 Header->e_ident[ELF::EI_OSABI] == ELF::ELFOSABI_AMDGPU_HSA)
723 W.printHex("OS/ABI", "AMDGPU_HSA", ELF::ELFOSABI_AMDGPU_HSA);
724 else
725 W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
Eric Christopher9cad53c2013-04-03 18:31:38 +0000726 makeArrayRef(ElfOSABI));
727 W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
728 W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
729 }
730
731 W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
732 W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
733 W.printNumber("Version", Header->e_version);
734 W.printHex ("Entry", Header->e_entry);
735 W.printHex ("ProgramHeaderOffset", Header->e_phoff);
736 W.printHex ("SectionHeaderOffset", Header->e_shoff);
Simon Atanasyan80070b52014-05-01 11:57:40 +0000737 if (Header->e_machine == EM_MIPS)
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000738 W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
Simon Atanasyan40e7eb12015-05-08 07:04:59 +0000739 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
740 unsigned(ELF::EF_MIPS_MACH));
Simon Atanasyan80070b52014-05-01 11:57:40 +0000741 else
Simon Atanasyanc48c5842014-05-01 11:07:19 +0000742 W.printFlags("Flags", Header->e_flags);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000743 W.printNumber("HeaderSize", Header->e_ehsize);
744 W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
745 W.printNumber("ProgramHeaderCount", Header->e_phnum);
746 W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
747 W.printNumber("SectionHeaderCount", Header->e_shnum);
748 W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
749 }
750}
751
752template<class ELFT>
753void ELFDumper<ELFT>::printSections() {
754 ListScope SectionsD(W, "Sections");
755
756 int SectionIndex = -1;
Rafael Espindola13e08772015-06-30 19:24:51 +0000757 for (const typename ELFO::Elf_Shdr &Sec : Obj->sections()) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000758 ++SectionIndex;
759
Rafael Espindola13e08772015-06-30 19:24:51 +0000760 StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000761
762 DictScope SectionD(W, "Section");
763 W.printNumber("Index", SectionIndex);
Rafael Espindola13e08772015-06-30 19:24:51 +0000764 W.printNumber("Name", Name, Sec.sh_name);
Michael J. Spencer126973b2013-08-08 22:27:13 +0000765 W.printHex("Type",
Rafael Espindola13e08772015-06-30 19:24:51 +0000766 getElfSectionType(Obj->getHeader()->e_machine, Sec.sh_type),
767 Sec.sh_type);
768 W.printFlags("Flags", Sec.sh_flags, makeArrayRef(ElfSectionFlags));
769 W.printHex("Address", Sec.sh_addr);
770 W.printHex("Offset", Sec.sh_offset);
771 W.printNumber("Size", Sec.sh_size);
772 W.printNumber("Link", Sec.sh_link);
773 W.printNumber("Info", Sec.sh_info);
774 W.printNumber("AddressAlignment", Sec.sh_addralign);
775 W.printNumber("EntrySize", Sec.sh_entsize);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000776
777 if (opts::SectionRelocations) {
778 ListScope D(W, "Relocations");
Rafael Espindola13e08772015-06-30 19:24:51 +0000779 printRelocations(&Sec);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000780 }
781
782 if (opts::SectionSymbols) {
783 ListScope D(W, "Symbols");
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000784 const Elf_Shdr *Symtab = Obj->getDotSymtabSec();
785 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
786 error(StrTableOrErr.getError());
787 StringRef StrTable = *StrTableOrErr;
788
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000789 for (const typename ELFO::Elf_Sym &Sym : Obj->symbols()) {
Rafael Espindola6def3042015-07-01 12:56:27 +0000790 ErrorOr<const Elf_Shdr *> SymSec = Obj->getSection(&Sym);
791 if (!SymSec)
792 continue;
793 if (*SymSec == &Sec)
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000794 printSymbol(&Sym, StrTable, false);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000795 }
796 }
797
Rafael Espindola13e08772015-06-30 19:24:51 +0000798 if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
799 ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(&Sec));
Michael J. Spencer126973b2013-08-08 22:27:13 +0000800 W.printBinaryBlock("SectionData",
801 StringRef((const char *)Data.data(), Data.size()));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000802 }
803 }
804}
805
806template<class ELFT>
807void ELFDumper<ELFT>::printRelocations() {
808 ListScope D(W, "Relocations");
809
Eric Christopher9cad53c2013-04-03 18:31:38 +0000810 int SectionNumber = -1;
Rafael Espindola13e08772015-06-30 19:24:51 +0000811 for (const typename ELFO::Elf_Shdr &Sec : Obj->sections()) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000812 ++SectionNumber;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000813
Rafael Espindola13e08772015-06-30 19:24:51 +0000814 if (Sec.sh_type != ELF::SHT_REL && Sec.sh_type != ELF::SHT_RELA)
Eric Christopher9cad53c2013-04-03 18:31:38 +0000815 continue;
816
Rafael Espindola13e08772015-06-30 19:24:51 +0000817 StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000818
Michael J. Spencer126973b2013-08-08 22:27:13 +0000819 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
820 W.indent();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000821
Rafael Espindola13e08772015-06-30 19:24:51 +0000822 printRelocations(&Sec);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000823
Michael J. Spencer126973b2013-08-08 22:27:13 +0000824 W.unindent();
825 W.startLine() << "}\n";
Eric Christopher9cad53c2013-04-03 18:31:38 +0000826 }
827}
828
Michael J. Spencer594c0282015-06-25 21:47:32 +0000829template<class ELFT>
830void ELFDumper<ELFT>::printDynamicRelocations() {
831 W.startLine() << "Dynamic Relocations {\n";
832 W.indent();
Rafael Espindolabbfd90f2015-07-21 20:50:53 +0000833 for (const typename ELFO::Elf_Rela &Rel : dyn_relas()) {
Michael J. Spencer594c0282015-06-25 21:47:32 +0000834 SmallString<32> RelocName;
Rafael Espindola33f25092015-07-20 20:07:50 +0000835 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
Michael J. Spencer594c0282015-06-25 21:47:32 +0000836 StringRef SymbolName;
Rafael Espindola33f25092015-07-20 20:07:50 +0000837 uint32_t SymIndex = Rel.getSymbol(Obj->isMips64EL());
Rafael Espindola2b5f8412015-06-30 15:33:44 +0000838 const typename ELFO::Elf_Sym *Sym = Obj->dynamic_symbol_begin() + SymIndex;
Rafael Espindolabbfd90f2015-07-21 20:50:53 +0000839 SymbolName = errorOrDefault(Sym->getName(DynamicStringTable));
Michael J. Spencer594c0282015-06-25 21:47:32 +0000840 if (opts::ExpandRelocs) {
841 DictScope Group(W, "Relocation");
Rafael Espindola33f25092015-07-20 20:07:50 +0000842 W.printHex("Offset", Rel.r_offset);
843 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
Michael J. Spencer594c0282015-06-25 21:47:32 +0000844 W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
Rafael Espindola33f25092015-07-20 20:07:50 +0000845 W.printHex("Addend", Rel.r_addend);
Michael J. Spencer594c0282015-06-25 21:47:32 +0000846 }
847 else {
848 raw_ostream& OS = W.startLine();
Rafael Espindola33f25092015-07-20 20:07:50 +0000849 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
850 << (SymbolName.size() > 0 ? SymbolName : "-") << " "
851 << W.hex(Rel.r_addend) << "\n";
Michael J. Spencer594c0282015-06-25 21:47:32 +0000852 }
853 }
854 W.unindent();
855 W.startLine() << "}\n";
856}
857
Michael J. Spencer126973b2013-08-08 22:27:13 +0000858template <class ELFT>
859void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
860 switch (Sec->sh_type) {
861 case ELF::SHT_REL:
Rafael Espindola33f25092015-07-20 20:07:50 +0000862 for (const typename ELFO::Elf_Rel &R : Obj->rels(Sec)) {
Michael J. Spencer126973b2013-08-08 22:27:13 +0000863 typename ELFO::Elf_Rela Rela;
Rafael Espindola33f25092015-07-20 20:07:50 +0000864 Rela.r_offset = R.r_offset;
865 Rela.r_info = R.r_info;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000866 Rela.r_addend = 0;
867 printRelocation(Sec, Rela);
868 }
869 break;
870 case ELF::SHT_RELA:
Rafael Espindola33f25092015-07-20 20:07:50 +0000871 for (const typename ELFO::Elf_Rela &R : Obj->relas(Sec))
872 printRelocation(Sec, R);
Michael J. Spencer126973b2013-08-08 22:27:13 +0000873 break;
Rafael Espindola1e483872013-04-25 12:28:45 +0000874 }
Michael J. Spencer126973b2013-08-08 22:27:13 +0000875}
876
877template <class ELFT>
878void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
879 typename ELFO::Elf_Rela Rel) {
880 SmallString<32> RelocName;
881 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
Rafael Espindola75d5b542015-06-03 05:14:22 +0000882 StringRef TargetName;
Michael J. Spencer126973b2013-08-08 22:27:13 +0000883 std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
884 Obj->getRelocationSymbol(Sec, &Rel);
Rafael Espindola75d5b542015-06-03 05:14:22 +0000885 if (Sym.second && Sym.second->getType() == ELF::STT_SECTION) {
Rafael Espindola6def3042015-07-01 12:56:27 +0000886 ErrorOr<const Elf_Shdr *> Sec = Obj->getSection(Sym.second);
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000887 error(Sec.getError());
888 ErrorOr<StringRef> SecName = Obj->getSectionName(*Sec);
889 if (SecName)
890 TargetName = SecName.get();
Rafael Espindola75d5b542015-06-03 05:14:22 +0000891 } else if (Sym.first) {
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000892 const Elf_Shdr *SymTable = Sym.first;
Rafael Espindola5ab87a32015-07-21 16:05:53 +0000893 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*SymTable);
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000894 error(StrTableOrErr.getError());
895 TargetName = errorOrDefault(Sym.second->getName(*StrTableOrErr));
Rafael Espindola75d5b542015-06-03 05:14:22 +0000896 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000897
Nico Rieckf3f0b792013-04-12 04:01:52 +0000898 if (opts::ExpandRelocs) {
899 DictScope Group(W, "Relocation");
Michael J. Spencer126973b2013-08-08 22:27:13 +0000900 W.printHex("Offset", Rel.r_offset);
901 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
Rafael Espindola75d5b542015-06-03 05:14:22 +0000902 W.printNumber("Symbol", TargetName.size() > 0 ? TargetName : "-",
Rafael Espindola0eb2cec2014-10-17 01:34:23 +0000903 Rel.getSymbol(Obj->isMips64EL()));
Michael J. Spencer126973b2013-08-08 22:27:13 +0000904 W.printHex("Addend", Rel.r_addend);
Nico Rieckf3f0b792013-04-12 04:01:52 +0000905 } else {
906 raw_ostream& OS = W.startLine();
Rafael Espindola75d5b542015-06-03 05:14:22 +0000907 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
908 << (TargetName.size() > 0 ? TargetName : "-") << " "
909 << W.hex(Rel.r_addend) << "\n";
Nico Rieckf3f0b792013-04-12 04:01:52 +0000910 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000911}
912
913template<class ELFT>
914void ELFDumper<ELFT>::printSymbols() {
915 ListScope Group(W, "Symbols");
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000916
917 const Elf_Shdr *Symtab = Obj->getDotSymtabSec();
918 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
919 error(StrTableOrErr.getError());
920 StringRef StrTable = *StrTableOrErr;
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000921 for (const typename ELFO::Elf_Sym &Sym : Obj->symbols())
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000922 printSymbol(&Sym, StrTable, false);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000923}
924
925template<class ELFT>
926void ELFDumper<ELFT>::printDynamicSymbols() {
927 ListScope Group(W, "DynamicSymbols");
928
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000929 const Elf_Shdr *Symtab = Obj->getDotDynSymSec();
930 ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
931 error(StrTableOrErr.getError());
932 StringRef StrTable = *StrTableOrErr;
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000933 for (const typename ELFO::Elf_Sym &Sym : Obj->dynamic_symbols())
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000934 printSymbol(&Sym, StrTable, true);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000935}
936
Michael J. Spencer126973b2013-08-08 22:27:13 +0000937template <class ELFT>
Rafael Espindola719dc7c2015-06-29 12:38:31 +0000938void ELFDumper<ELFT>::printSymbol(const typename ELFO::Elf_Sym *Symbol,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000939 StringRef StrTable, bool IsDynamic) {
Simon Atanasyan414736e2014-06-10 05:59:15 +0000940 unsigned SectionIndex = 0;
Rafael Espindolacfee7ef2014-03-24 05:00:34 +0000941 StringRef SectionName;
Simon Atanasyan414736e2014-06-10 05:59:15 +0000942 getSectionNameIndex(*Obj, Symbol, SectionName, SectionIndex);
Rafael Espindola8d6b63c2015-07-21 16:02:10 +0000943 std::string FullSymbolName =
944 getFullSymbolName(*Obj, Symbol, StrTable, IsDynamic);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000945
946 DictScope D(W, "Symbol");
947 W.printNumber("Name", FullSymbolName, Symbol->st_name);
948 W.printHex ("Value", Symbol->st_value);
949 W.printNumber("Size", Symbol->st_size);
950 W.printEnum ("Binding", Symbol->getBinding(),
951 makeArrayRef(ElfSymbolBindings));
952 W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
953 W.printNumber("Other", Symbol->st_other);
Rafael Espindola10be0832014-03-25 23:44:25 +0000954 W.printHex("Section", SectionName, SectionIndex);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000955}
956
957#define LLVM_READOBJ_TYPE_CASE(name) \
958 case DT_##name: return #name
959
960static const char *getTypeString(uint64_t Type) {
961 switch (Type) {
962 LLVM_READOBJ_TYPE_CASE(BIND_NOW);
963 LLVM_READOBJ_TYPE_CASE(DEBUG);
964 LLVM_READOBJ_TYPE_CASE(FINI);
965 LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
966 LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
967 LLVM_READOBJ_TYPE_CASE(FLAGS);
Davide Italianof071bd02015-05-25 19:12:18 +0000968 LLVM_READOBJ_TYPE_CASE(FLAGS_1);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000969 LLVM_READOBJ_TYPE_CASE(HASH);
970 LLVM_READOBJ_TYPE_CASE(INIT);
971 LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
972 LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
973 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
974 LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
975 LLVM_READOBJ_TYPE_CASE(JMPREL);
976 LLVM_READOBJ_TYPE_CASE(NEEDED);
977 LLVM_READOBJ_TYPE_CASE(NULL);
978 LLVM_READOBJ_TYPE_CASE(PLTGOT);
979 LLVM_READOBJ_TYPE_CASE(PLTREL);
980 LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
981 LLVM_READOBJ_TYPE_CASE(REL);
982 LLVM_READOBJ_TYPE_CASE(RELA);
983 LLVM_READOBJ_TYPE_CASE(RELENT);
984 LLVM_READOBJ_TYPE_CASE(RELSZ);
985 LLVM_READOBJ_TYPE_CASE(RELAENT);
986 LLVM_READOBJ_TYPE_CASE(RELASZ);
987 LLVM_READOBJ_TYPE_CASE(RPATH);
988 LLVM_READOBJ_TYPE_CASE(RUNPATH);
989 LLVM_READOBJ_TYPE_CASE(SONAME);
990 LLVM_READOBJ_TYPE_CASE(STRSZ);
991 LLVM_READOBJ_TYPE_CASE(STRTAB);
992 LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
993 LLVM_READOBJ_TYPE_CASE(SYMENT);
994 LLVM_READOBJ_TYPE_CASE(SYMTAB);
995 LLVM_READOBJ_TYPE_CASE(TEXTREL);
Simon Atanasyan5c8377f2013-11-11 20:51:48 +0000996 LLVM_READOBJ_TYPE_CASE(VERNEED);
997 LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
998 LLVM_READOBJ_TYPE_CASE(VERSYM);
Simon Atanasyanca8b5622014-05-11 08:48:09 +0000999 LLVM_READOBJ_TYPE_CASE(RELCOUNT);
1000 LLVM_READOBJ_TYPE_CASE(GNU_HASH);
Simon Atanasyan5c8377f2013-11-11 20:51:48 +00001001 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
1002 LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
1003 LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
1004 LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
1005 LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
1006 LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
1007 LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
Simon Atanasyan728d2162014-01-05 13:40:27 +00001008 LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
1009 LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
Simon Atanasyan2da3eb12015-04-20 05:34:48 +00001010 LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
Eric Christopher9cad53c2013-04-03 18:31:38 +00001011 default: return "unknown";
1012 }
1013}
1014
1015#undef LLVM_READOBJ_TYPE_CASE
1016
Simon Atanasyanca8b5622014-05-11 08:48:09 +00001017#define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
1018 { #enum, prefix##_##enum }
1019
1020static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
1021 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
1022 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
1023 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
1024 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
1025 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
1026};
1027
Davide Italianof071bd02015-05-25 19:12:18 +00001028static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
1029 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
1030 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
1031 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
1032 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
1033 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
1034 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
1035 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
1036 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
1037 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
1038 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
1039 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
1040 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
1041 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
1042 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
1043 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
1044 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
1045 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
1046 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
1047 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
1048 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
1049 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
1050 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
1051 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
1052 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
1053 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
1054};
1055
Simon Atanasyanca8b5622014-05-11 08:48:09 +00001056static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
1057 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
1058 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
1059 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
1060 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
1061 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
1062 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
1063 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
1064 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
1065 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
1066 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
1067 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
1068 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
1069 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
1070 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
1071 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
1072 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
1073};
1074
1075#undef LLVM_READOBJ_DT_FLAG_ENT
1076
1077template <typename T, typename TFlag>
1078void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
1079 typedef EnumEntry<TFlag> FlagEntry;
1080 typedef SmallVector<FlagEntry, 10> FlagVector;
1081 FlagVector SetFlags;
1082
1083 for (const auto &Flag : Flags) {
1084 if (Flag.Value == 0)
1085 continue;
1086
1087 if ((Value & Flag.Value) == Flag.Value)
1088 SetFlags.push_back(Flag);
1089 }
1090
1091 for (const auto &Flag : SetFlags) {
1092 OS << Flag.Name << " ";
1093 }
1094}
1095
Michael J. Spencer126973b2013-08-08 22:27:13 +00001096template <class ELFT>
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001097StringRef ELFDumper<ELFT>::getDynamicString(uint64_t Value) const {
1098 if (Value >= DynamicStringTable.size())
Rafael Espindola00ddb142015-07-20 03:38:17 +00001099 reportError("Invalid dynamic string table reference");
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001100 return StringRef(DynamicStringTable.data() + Value);
Rafael Espindola00ddb142015-07-20 03:38:17 +00001101}
1102
1103template <class ELFT>
Rafael Espindola3a0b1dc2015-07-21 19:57:43 +00001104void ELFDumper<ELFT>::printValue(uint64_t Type, uint64_t Value) {
1105 raw_ostream &OS = W.getOStream();
Eric Christopher9cad53c2013-04-03 18:31:38 +00001106 switch (Type) {
1107 case DT_PLTREL:
1108 if (Value == DT_REL) {
1109 OS << "REL";
1110 break;
1111 } else if (Value == DT_RELA) {
1112 OS << "RELA";
1113 break;
1114 }
1115 // Fallthrough.
1116 case DT_PLTGOT:
1117 case DT_HASH:
1118 case DT_STRTAB:
1119 case DT_SYMTAB:
1120 case DT_RELA:
1121 case DT_INIT:
1122 case DT_FINI:
1123 case DT_REL:
1124 case DT_JMPREL:
1125 case DT_INIT_ARRAY:
1126 case DT_FINI_ARRAY:
1127 case DT_PREINIT_ARRAY:
1128 case DT_DEBUG:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +00001129 case DT_VERNEED:
1130 case DT_VERSYM:
Simon Atanasyanca8b5622014-05-11 08:48:09 +00001131 case DT_GNU_HASH:
Eric Christopher9cad53c2013-04-03 18:31:38 +00001132 case DT_NULL:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +00001133 case DT_MIPS_BASE_ADDRESS:
1134 case DT_MIPS_GOTSYM:
Simon Atanasyan728d2162014-01-05 13:40:27 +00001135 case DT_MIPS_RLD_MAP:
1136 case DT_MIPS_PLTGOT:
Simon Atanasyan2da3eb12015-04-20 05:34:48 +00001137 case DT_MIPS_OPTIONS:
Eric Christopher9cad53c2013-04-03 18:31:38 +00001138 OS << format("0x%" PRIX64, Value);
1139 break;
Simon Atanasyanca8b5622014-05-11 08:48:09 +00001140 case DT_RELCOUNT:
Simon Atanasyan5c8377f2013-11-11 20:51:48 +00001141 case DT_VERNEEDNUM:
1142 case DT_MIPS_RLD_VERSION:
1143 case DT_MIPS_LOCAL_GOTNO:
1144 case DT_MIPS_SYMTABNO:
1145 case DT_MIPS_UNREFEXTNO:
1146 OS << Value;
1147 break;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001148 case DT_PLTRELSZ:
1149 case DT_RELASZ:
1150 case DT_RELAENT:
1151 case DT_STRSZ:
1152 case DT_SYMENT:
1153 case DT_RELSZ:
1154 case DT_RELENT:
1155 case DT_INIT_ARRAYSZ:
1156 case DT_FINI_ARRAYSZ:
1157 case DT_PREINIT_ARRAYSZ:
1158 OS << Value << " (bytes)";
1159 break;
1160 case DT_NEEDED:
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001161 OS << "SharedLibrary (" << getDynamicString(Value) << ")";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001162 break;
1163 case DT_SONAME:
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001164 OS << "LibrarySoname (" << getDynamicString(Value) << ")";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001165 break;
Joerg Sonnenbergerce91d012013-09-03 17:13:53 +00001166 case DT_RPATH:
1167 case DT_RUNPATH:
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001168 OS << getDynamicString(Value);
Joerg Sonnenbergerce91d012013-09-03 17:13:53 +00001169 break;
Simon Atanasyanca8b5622014-05-11 08:48:09 +00001170 case DT_MIPS_FLAGS:
1171 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
1172 break;
1173 case DT_FLAGS:
1174 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
1175 break;
Davide Italianof071bd02015-05-25 19:12:18 +00001176 case DT_FLAGS_1:
1177 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
1178 break;
Michael J. Spencer594c0282015-06-25 21:47:32 +00001179 default:
1180 OS << format("0x%" PRIX64, Value);
1181 break;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001182 }
1183}
1184
1185template<class ELFT>
1186void ELFDumper<ELFT>::printUnwindInfo() {
1187 W.startLine() << "UnwindInfo not implemented.\n";
1188}
1189
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001190namespace {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001191template <> void ELFDumper<ELFType<support::little, false>>::printUnwindInfo() {
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001192 const unsigned Machine = Obj->getHeader()->e_machine;
1193 if (Machine == EM_ARM) {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001194 ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(W, Obj);
Saleem Abdulrasoolbe981ebc2014-01-08 03:28:09 +00001195 return Ctx.PrintUnwindInformation();
1196 }
1197 W.startLine() << "UnwindInfo not implemented.\n";
1198}
1199}
1200
Eric Christopher9cad53c2013-04-03 18:31:38 +00001201template<class ELFT>
1202void ELFDumper<ELFT>::printDynamicTable() {
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001203 auto I = dynamic_table_begin();
1204 auto E = dynamic_table_end();
Eric Christopher9cad53c2013-04-03 18:31:38 +00001205
Rafael Espindolae3f72232015-07-20 21:45:56 +00001206 if (I == E)
1207 return;
1208
1209 --E;
1210 while (I != E && E->getTag() == ELF::DT_NULL)
1211 --E;
1212 if (E->getTag() != ELF::DT_NULL)
1213 ++E;
1214 ++E;
1215
1216 ptrdiff_t Total = std::distance(I, E);
Simon Atanasyan28a11602014-06-04 05:51:44 +00001217 if (Total == 0)
Eric Christopher9cad53c2013-04-03 18:31:38 +00001218 return;
1219
Eric Christopher9cad53c2013-04-03 18:31:38 +00001220 raw_ostream &OS = W.getOStream();
1221 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1222
Michael J. Spencer126973b2013-08-08 22:27:13 +00001223 bool Is64 = ELFT::Is64Bits;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001224
1225 W.startLine()
1226 << " Tag" << (Is64 ? " " : " ") << "Type"
1227 << " " << "Name/Value\n";
Rafael Espindolae3f72232015-07-20 21:45:56 +00001228 while (I != E) {
1229 const typename ELFO::Elf_Dyn &Entry = *I;
1230 ++I;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001231 W.startLine()
1232 << " "
Simon Atanasyan28a11602014-06-04 05:51:44 +00001233 << format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Entry.getTag())
1234 << " " << format("%-21s", getTypeString(Entry.getTag()));
Rafael Espindola3a0b1dc2015-07-21 19:57:43 +00001235 printValue(Entry.getTag(), Entry.getVal());
Eric Christopher9cad53c2013-04-03 18:31:38 +00001236 OS << "\n";
1237 }
1238
1239 W.startLine() << "]\n";
1240}
1241
Eric Christopher9cad53c2013-04-03 18:31:38 +00001242template<class ELFT>
1243void ELFDumper<ELFT>::printNeededLibraries() {
1244 ListScope D(W, "NeededLibraries");
1245
Michael J. Spencer126973b2013-08-08 22:27:13 +00001246 typedef std::vector<StringRef> LibsTy;
Eric Christopher9cad53c2013-04-03 18:31:38 +00001247 LibsTy Libs;
1248
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001249 for (const auto &Entry : dynamic_table())
Simon Atanasyan28a11602014-06-04 05:51:44 +00001250 if (Entry.d_tag == ELF::DT_NEEDED)
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001251 Libs.push_back(getDynamicString(Entry.d_un.d_val));
Eric Christopher9cad53c2013-04-03 18:31:38 +00001252
Michael J. Spencer126973b2013-08-08 22:27:13 +00001253 std::stable_sort(Libs.begin(), Libs.end());
Eric Christopher9cad53c2013-04-03 18:31:38 +00001254
Michael J. Spencer126973b2013-08-08 22:27:13 +00001255 for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end(); I != E; ++I) {
1256 outs() << " " << *I << "\n";
Eric Christopher9cad53c2013-04-03 18:31:38 +00001257 }
1258}
Nico Rieckd6df0542013-04-12 04:07:39 +00001259
1260template<class ELFT>
1261void ELFDumper<ELFT>::printProgramHeaders() {
1262 ListScope L(W, "ProgramHeaders");
1263
Rafael Espindola073624b2015-07-20 13:35:33 +00001264 for (const typename ELFO::Elf_Phdr &Phdr : Obj->program_headers()) {
Nico Rieckd6df0542013-04-12 04:07:39 +00001265 DictScope P(W, "ProgramHeader");
Rafael Espindola073624b2015-07-20 13:35:33 +00001266 W.printHex("Type",
1267 getElfSegmentType(Obj->getHeader()->e_machine, Phdr.p_type),
1268 Phdr.p_type);
1269 W.printHex("Offset", Phdr.p_offset);
1270 W.printHex("VirtualAddress", Phdr.p_vaddr);
1271 W.printHex("PhysicalAddress", Phdr.p_paddr);
1272 W.printNumber("FileSize", Phdr.p_filesz);
1273 W.printNumber("MemSize", Phdr.p_memsz);
1274 W.printFlags("Flags", Phdr.p_flags, makeArrayRef(ElfSegmentFlags));
1275 W.printNumber("Alignment", Phdr.p_align);
Nico Rieckd6df0542013-04-12 04:07:39 +00001276 }
1277}
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001278
Michael J. Spencer20546ff2015-07-09 22:32:24 +00001279template <typename ELFT>
1280void ELFDumper<ELFT>::printHashTable() {
1281 DictScope D(W, "HashTable");
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001282 if (!HashTable)
Michael J. Spencer20546ff2015-07-09 22:32:24 +00001283 return;
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001284 W.printNumber("Num Buckets", HashTable->nbucket);
1285 W.printNumber("Num Chains", HashTable->nchain);
1286 W.printList("Buckets", HashTable->buckets());
1287 W.printList("Chains", HashTable->chains());
Michael J. Spencer20546ff2015-07-09 22:32:24 +00001288}
1289
Rafael Espindola33e746f22015-07-21 13:48:41 +00001290template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001291 outs() << "LoadName: " << SOName << '\n';
Rafael Espindola33e746f22015-07-21 13:48:41 +00001292}
1293
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001294template <class ELFT>
1295void ELFDumper<ELFT>::printAttributes() {
1296 W.startLine() << "Attributes not implemented.\n";
1297}
1298
1299namespace {
Rafael Espindolaac729b42015-06-02 12:05:27 +00001300template <> void ELFDumper<ELFType<support::little, false>>::printAttributes() {
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001301 if (Obj->getHeader()->e_machine != EM_ARM) {
1302 W.startLine() << "Attributes not implemented.\n";
1303 return;
1304 }
1305
1306 DictScope BA(W, "BuildAttributes");
Rafael Espindola13e08772015-06-30 19:24:51 +00001307 for (const ELFO::Elf_Shdr &Sec : Obj->sections()) {
1308 if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001309 continue;
1310
Rafael Espindola13e08772015-06-30 19:24:51 +00001311 ErrorOr<ArrayRef<uint8_t>> Contents = Obj->getSectionContents(&Sec);
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +00001312 if (!Contents)
1313 continue;
1314
1315 if ((*Contents)[0] != ARMBuildAttrs::Format_Version) {
1316 errs() << "unrecognised FormatVersion: 0x" << utohexstr((*Contents)[0])
1317 << '\n';
1318 continue;
1319 }
1320
1321 W.printHex("FormatVersion", (*Contents)[0]);
1322 if (Contents->size() == 1)
1323 continue;
1324
1325 ARMAttributeParser(W).Parse(*Contents);
1326 }
1327}
1328}
1329
Simon Atanasyan80433902014-06-18 08:47:09 +00001330namespace {
1331template <class ELFT> class MipsGOTParser {
1332public:
1333 typedef object::ELFFile<ELFT> ObjectFile;
1334 typedef typename ObjectFile::Elf_Shdr Elf_Shdr;
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001335 typedef typename ObjectFile::Elf_Sym Elf_Sym;
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001336 typedef typename ObjectFile::Elf_Dyn_Range Elf_Dyn_Range;
Simon Atanasyan80433902014-06-18 08:47:09 +00001337
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001338 MipsGOTParser(const ObjectFile *Obj, Elf_Dyn_Range DynTable, StreamWriter &W);
Simon Atanasyan80433902014-06-18 08:47:09 +00001339
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001340 void parseGOT();
1341 void parsePLT();
Simon Atanasyan80433902014-06-18 08:47:09 +00001342
1343private:
Simon Atanasyan80433902014-06-18 08:47:09 +00001344 typedef typename ObjectFile::Elf_Addr GOTEntry;
1345 typedef typename ObjectFile::template ELFEntityIterator<const GOTEntry>
1346 GOTIter;
1347
1348 const ObjectFile *Obj;
1349 StreamWriter &W;
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001350 llvm::Optional<uint64_t> DtPltGot;
1351 llvm::Optional<uint64_t> DtLocalGotNum;
1352 llvm::Optional<uint64_t> DtGotSym;
1353 llvm::Optional<uint64_t> DtMipsPltGot;
1354 llvm::Optional<uint64_t> DtJmpRel;
Simon Atanasyan80433902014-06-18 08:47:09 +00001355
Simon Atanasyanc217c402014-06-18 09:24:01 +00001356 std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
1357 GOTIter makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001358
Simon Atanasyan80433902014-06-18 08:47:09 +00001359 void printGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It);
1360 void printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001361 const Elf_Sym *Sym, StringRef StrTable,
1362 bool IsDynamic);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001363 void printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt, GOTIter It,
1364 StringRef Purpose);
1365 void printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt, GOTIter It,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001366 StringRef StrTable, const Elf_Sym *Sym);
Simon Atanasyan80433902014-06-18 08:47:09 +00001367};
1368}
1369
1370template <class ELFT>
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001371MipsGOTParser<ELFT>::MipsGOTParser(const ObjectFile *Obj,
1372 Elf_Dyn_Range DynTable, StreamWriter &W)
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001373 : Obj(Obj), W(W) {
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001374 for (const auto &Entry : DynTable) {
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001375 switch (Entry.getTag()) {
1376 case ELF::DT_PLTGOT:
1377 DtPltGot = Entry.getVal();
1378 break;
1379 case ELF::DT_MIPS_LOCAL_GOTNO:
1380 DtLocalGotNum = Entry.getVal();
1381 break;
1382 case ELF::DT_MIPS_GOTSYM:
1383 DtGotSym = Entry.getVal();
1384 break;
1385 case ELF::DT_MIPS_PLTGOT:
1386 DtMipsPltGot = Entry.getVal();
1387 break;
1388 case ELF::DT_JMPREL:
1389 DtJmpRel = Entry.getVal();
1390 break;
1391 }
1392 }
1393}
1394
1395template <class ELFT> void MipsGOTParser<ELFT>::parseGOT() {
Simon Atanasyan80433902014-06-18 08:47:09 +00001396 // See "Global Offset Table" in Chapter 5 in the following document
1397 // for detailed GOT description.
1398 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001399 if (!DtPltGot) {
1400 W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
1401 return;
1402 }
1403 if (!DtLocalGotNum) {
1404 W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
1405 return;
1406 }
1407 if (!DtGotSym) {
1408 W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
1409 return;
1410 }
Simon Atanasyan80433902014-06-18 08:47:09 +00001411
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001412 const Elf_Shdr *GOTShdr = findSectionByAddress(Obj, *DtPltGot);
1413 if (!GOTShdr) {
1414 W.startLine() << "There is no .got section in the file.\n";
1415 return;
1416 }
1417
1418 ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(GOTShdr);
Simon Atanasyan80433902014-06-18 08:47:09 +00001419 if (!GOT) {
1420 W.startLine() << "The .got section is empty.\n";
1421 return;
1422 }
1423
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001424 if (*DtLocalGotNum > getGOTTotal(*GOT)) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001425 W.startLine() << "MIPS_LOCAL_GOTNO exceeds a number of GOT entries.\n";
1426 return;
1427 }
1428
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001429 const Elf_Shdr *DynSymSec = Obj->getDotDynSymSec();
1430 ErrorOr<StringRef> StrTable = Obj->getStringTableForSymtab(*DynSymSec);
1431 error(StrTable.getError());
Rafael Espindola2b5f8412015-06-30 15:33:44 +00001432 const Elf_Sym *DynSymBegin = Obj->dynamic_symbol_begin();
1433 const Elf_Sym *DynSymEnd = Obj->dynamic_symbol_end();
Simon Atanasyan80433902014-06-18 08:47:09 +00001434 std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
1435
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001436 if (*DtGotSym > DynSymTotal) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001437 W.startLine() << "MIPS_GOTSYM exceeds a number of dynamic symbols.\n";
1438 return;
1439 }
1440
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001441 std::size_t GlobalGotNum = DynSymTotal - *DtGotSym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001442
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001443 if (*DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT)) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001444 W.startLine() << "Number of global GOT entries exceeds the size of GOT.\n";
1445 return;
1446 }
1447
Simon Atanasyanc217c402014-06-18 09:24:01 +00001448 GOTIter GotBegin = makeGOTIter(*GOT, 0);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001449 GOTIter GotLocalEnd = makeGOTIter(*GOT, *DtLocalGotNum);
Simon Atanasyan80433902014-06-18 08:47:09 +00001450 GOTIter It = GotBegin;
1451
1452 DictScope GS(W, "Primary GOT");
1453
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001454 W.printHex("Canonical gp value", GOTShdr->sh_addr + 0x7ff0);
Simon Atanasyan80433902014-06-18 08:47:09 +00001455 {
1456 ListScope RS(W, "Reserved entries");
1457
1458 {
1459 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001460 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
Simon Atanasyan80433902014-06-18 08:47:09 +00001461 W.printString("Purpose", StringRef("Lazy resolver"));
1462 }
1463
1464 if (It != GotLocalEnd && (*It >> (sizeof(GOTEntry) * 8 - 1)) != 0) {
1465 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001466 printGotEntry(GOTShdr->sh_addr, GotBegin, It++);
Simon Atanasyan80433902014-06-18 08:47:09 +00001467 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
1468 }
1469 }
1470 {
1471 ListScope LS(W, "Local entries");
1472 for (; It != GotLocalEnd; ++It) {
1473 DictScope D(W, "Entry");
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001474 printGotEntry(GOTShdr->sh_addr, GotBegin, It);
Simon Atanasyan80433902014-06-18 08:47:09 +00001475 }
1476 }
1477 {
1478 ListScope GS(W, "Global entries");
1479
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001480 GOTIter GotGlobalEnd = makeGOTIter(*GOT, *DtLocalGotNum + GlobalGotNum);
1481 const Elf_Sym *GotDynSym = DynSymBegin + *DtGotSym;
Simon Atanasyan80433902014-06-18 08:47:09 +00001482 for (; It != GotGlobalEnd; ++It) {
1483 DictScope D(W, "Entry");
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001484 printGlobalGotEntry(GOTShdr->sh_addr, GotBegin, It, GotDynSym++,
1485 *StrTable, true);
Simon Atanasyan80433902014-06-18 08:47:09 +00001486 }
1487 }
1488
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001489 std::size_t SpecGotNum = getGOTTotal(*GOT) - *DtLocalGotNum - GlobalGotNum;
Simon Atanasyana4ba8ec2014-06-18 09:23:55 +00001490 W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
Simon Atanasyan80433902014-06-18 08:47:09 +00001491}
1492
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001493template <class ELFT> void MipsGOTParser<ELFT>::parsePLT() {
1494 if (!DtMipsPltGot) {
1495 W.startLine() << "Cannot find MIPS_PLTGOT dynamic table tag.\n";
1496 return;
1497 }
1498 if (!DtJmpRel) {
1499 W.startLine() << "Cannot find JMPREL dynamic table tag.\n";
1500 return;
1501 }
1502
1503 const Elf_Shdr *PLTShdr = findSectionByAddress(Obj, *DtMipsPltGot);
1504 if (!PLTShdr) {
1505 W.startLine() << "There is no .got.plt section in the file.\n";
1506 return;
1507 }
1508 ErrorOr<ArrayRef<uint8_t>> PLT = Obj->getSectionContents(PLTShdr);
1509 if (!PLT) {
1510 W.startLine() << "The .got.plt section is empty.\n";
1511 return;
1512 }
1513
1514 const Elf_Shdr *PLTRelShdr = findSectionByAddress(Obj, *DtJmpRel);
1515 if (!PLTShdr) {
1516 W.startLine() << "There is no .rel.plt section in the file.\n";
1517 return;
1518 }
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001519 ErrorOr<const Elf_Shdr *> SymTableOrErr =
1520 Obj->getSection(PLTRelShdr->sh_link);
1521 error(SymTableOrErr.getError());
1522 ErrorOr<StringRef> StrTable = Obj->getStringTableForSymtab(**SymTableOrErr);
1523 error(StrTable.getError());
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001524
1525 GOTIter PLTBegin = makeGOTIter(*PLT, 0);
1526 GOTIter PLTEnd = makeGOTIter(*PLT, getGOTTotal(*PLT));
1527 GOTIter It = PLTBegin;
1528
1529 DictScope GS(W, "PLT GOT");
1530 {
1531 ListScope RS(W, "Reserved entries");
1532 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "PLT lazy resolver");
1533 if (It != PLTEnd)
1534 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "Module pointer");
1535 }
1536 {
1537 ListScope GS(W, "Entries");
1538
1539 switch (PLTRelShdr->sh_type) {
1540 case ELF::SHT_REL:
Rafael Espindola33f25092015-07-20 20:07:50 +00001541 for (const typename ObjectFile::Elf_Rel *RI = Obj->rel_begin(PLTRelShdr),
1542 *RE = Obj->rel_end(PLTRelShdr);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001543 RI != RE && It != PLTEnd; ++RI, ++It) {
1544 const Elf_Sym *Sym =
1545 Obj->getRelocationSymbol(&*PLTRelShdr, &*RI).second;
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001546 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, *StrTable, Sym);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001547 }
1548 break;
1549 case ELF::SHT_RELA:
Rafael Espindola33f25092015-07-20 20:07:50 +00001550 for (const typename ObjectFile::Elf_Rela
1551 *RI = Obj->rela_begin(PLTRelShdr),
1552 *RE = Obj->rela_end(PLTRelShdr);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001553 RI != RE && It != PLTEnd; ++RI, ++It) {
1554 const Elf_Sym *Sym =
1555 Obj->getRelocationSymbol(&*PLTRelShdr, &*RI).second;
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001556 printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, *StrTable, Sym);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001557 }
1558 break;
1559 }
1560 }
1561}
1562
Simon Atanasyan80433902014-06-18 08:47:09 +00001563template <class ELFT>
Simon Atanasyanc217c402014-06-18 09:24:01 +00001564std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
Simon Atanasyan80433902014-06-18 08:47:09 +00001565 return GOT.size() / sizeof(GOTEntry);
1566}
1567
1568template <class ELFT>
1569typename MipsGOTParser<ELFT>::GOTIter
Simon Atanasyanc217c402014-06-18 09:24:01 +00001570MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001571 const char *Data = reinterpret_cast<const char *>(GOT.data());
1572 return GOTIter(sizeof(GOTEntry), Data + EntryNum * sizeof(GOTEntry));
1573}
1574
1575template <class ELFT>
Simon Atanasyan80433902014-06-18 08:47:09 +00001576void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr, GOTIter BeginIt,
1577 GOTIter It) {
1578 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1579 W.printHex("Address", GotAddr + Offset);
1580 W.printNumber("Access", Offset - 0x7ff0);
1581 W.printHex("Initial", *It);
1582}
1583
1584template <class ELFT>
1585void MipsGOTParser<ELFT>::printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt,
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001586 GOTIter It, const Elf_Sym *Sym,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001587 StringRef StrTable,
Rafael Espindola719dc7c2015-06-29 12:38:31 +00001588 bool IsDynamic) {
Simon Atanasyan80433902014-06-18 08:47:09 +00001589 printGotEntry(GotAddr, BeginIt, It);
1590
1591 W.printHex("Value", Sym->st_value);
1592 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1593
1594 unsigned SectionIndex = 0;
1595 StringRef SectionName;
1596 getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
1597 W.printHex("Section", SectionName, SectionIndex);
1598
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001599 std::string FullSymbolName =
1600 getFullSymbolName(*Obj, Sym, StrTable, IsDynamic);
Simon Atanasyan80433902014-06-18 08:47:09 +00001601 W.printNumber("Name", FullSymbolName, Sym->st_name);
1602}
1603
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001604template <class ELFT>
1605void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt,
1606 GOTIter It, StringRef Purpose) {
1607 DictScope D(W, "Entry");
1608 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1609 W.printHex("Address", PLTAddr + Offset);
1610 W.printHex("Initial", *It);
1611 W.printString("Purpose", Purpose);
1612}
1613
1614template <class ELFT>
1615void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt,
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001616 GOTIter It, StringRef StrTable,
1617 const Elf_Sym *Sym) {
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001618 DictScope D(W, "Entry");
1619 int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
1620 W.printHex("Address", PLTAddr + Offset);
1621 W.printHex("Initial", *It);
1622 W.printHex("Value", Sym->st_value);
1623 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
1624
1625 unsigned SectionIndex = 0;
1626 StringRef SectionName;
1627 getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
1628 W.printHex("Section", SectionName, SectionIndex);
1629
Rafael Espindola8d6b63c2015-07-21 16:02:10 +00001630 std::string FullSymbolName = getFullSymbolName(*Obj, Sym, StrTable, true);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001631 W.printNumber("Name", FullSymbolName, Sym->st_name);
1632}
1633
Simon Atanasyan80433902014-06-18 08:47:09 +00001634template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
1635 if (Obj->getHeader()->e_machine != EM_MIPS) {
1636 W.startLine() << "MIPS PLT GOT is available for MIPS targets only.\n";
1637 return;
1638 }
1639
Rafael Espindolabbfd90f2015-07-21 20:50:53 +00001640 MipsGOTParser<ELFT> GOTParser(Obj, dynamic_table(), W);
Simon Atanasyane419e9c2015-07-09 18:23:10 +00001641 GOTParser.parseGOT();
1642 GOTParser.parsePLT();
Simon Atanasyan80433902014-06-18 08:47:09 +00001643}
Simon Atanasyanc914de22015-05-07 15:40:35 +00001644
1645static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
1646 {"None", Mips::AFL_EXT_NONE},
1647 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
1648 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
1649 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
1650 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
1651 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
1652 {"LSI R4010", Mips::AFL_EXT_4010},
1653 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
1654 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
1655 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
1656 {"MIPS R4650", Mips::AFL_EXT_4650},
1657 {"MIPS R5900", Mips::AFL_EXT_5900},
1658 {"MIPS R10000", Mips::AFL_EXT_10000},
1659 {"NEC VR4100", Mips::AFL_EXT_4100},
1660 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
1661 {"NEC VR4120", Mips::AFL_EXT_4120},
1662 {"NEC VR5400", Mips::AFL_EXT_5400},
1663 {"NEC VR5500", Mips::AFL_EXT_5500},
1664 {"RMI Xlr", Mips::AFL_EXT_XLR},
1665 {"Toshiba R3900", Mips::AFL_EXT_3900}
1666};
1667
1668static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
1669 {"DSP", Mips::AFL_ASE_DSP},
1670 {"DSPR2", Mips::AFL_ASE_DSPR2},
1671 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
1672 {"MCU", Mips::AFL_ASE_MCU},
1673 {"MDMX", Mips::AFL_ASE_MDMX},
1674 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
1675 {"MT", Mips::AFL_ASE_MT},
1676 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
1677 {"VZ", Mips::AFL_ASE_VIRT},
1678 {"MSA", Mips::AFL_ASE_MSA},
1679 {"MIPS16", Mips::AFL_ASE_MIPS16},
1680 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
1681 {"XPA", Mips::AFL_ASE_XPA}
1682};
1683
1684static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
1685 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
1686 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
1687 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
1688 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
1689 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
1690 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
1691 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
1692 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
1693 {"Hard float compat (32-bit CPU, 64-bit FPU)",
1694 Mips::Val_GNU_MIPS_ABI_FP_64A}
1695};
1696
1697static const EnumEntry<unsigned> ElfMipsFlags1[] {
1698 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
1699};
1700
1701static int getMipsRegisterSize(uint8_t Flag) {
1702 switch (Flag) {
1703 case Mips::AFL_REG_NONE:
1704 return 0;
1705 case Mips::AFL_REG_32:
1706 return 32;
1707 case Mips::AFL_REG_64:
1708 return 64;
1709 case Mips::AFL_REG_128:
1710 return 128;
1711 default:
1712 return -1;
1713 }
1714}
1715
1716template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
1717 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
1718 if (!Shdr) {
1719 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
1720 return;
1721 }
1722 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1723 if (!Sec) {
1724 W.startLine() << "The .MIPS.abiflags section is empty.\n";
1725 return;
1726 }
1727 if (Sec->size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
1728 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
1729 return;
1730 }
1731
1732 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec->data());
1733
1734 raw_ostream &OS = W.getOStream();
1735 DictScope GS(W, "MIPS ABI Flags");
1736
1737 W.printNumber("Version", Flags->version);
1738 W.startLine() << "ISA: ";
1739 if (Flags->isa_rev <= 1)
1740 OS << format("MIPS%u", Flags->isa_level);
1741 else
1742 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
1743 OS << "\n";
1744 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
1745 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
1746 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
1747 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
1748 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
1749 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
1750 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
1751 W.printHex("Flags 2", Flags->flags2);
1752}
Simon Atanasyan6e07e932015-06-16 21:47:43 +00001753
1754template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
1755 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
1756 if (!Shdr) {
1757 W.startLine() << "There is no .reginfo section in the file.\n";
1758 return;
1759 }
1760 ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
1761 if (!Sec) {
1762 W.startLine() << "The .reginfo section is empty.\n";
1763 return;
1764 }
1765 if (Sec->size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
1766 W.startLine() << "The .reginfo section has a wrong size.\n";
1767 return;
1768 }
1769
1770 auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec->data());
1771
1772 DictScope GS(W, "MIPS RegInfo");
1773 W.printHex("GP", Reginfo->ri_gp_value);
1774 W.printHex("General Mask", Reginfo->ri_gprmask);
1775 W.printHex("Co-Proc Mask0", Reginfo->ri_cprmask[0]);
1776 W.printHex("Co-Proc Mask1", Reginfo->ri_cprmask[1]);
1777 W.printHex("Co-Proc Mask2", Reginfo->ri_cprmask[2]);
1778 W.printHex("Co-Proc Mask3", Reginfo->ri_cprmask[3]);
1779}
Lang Hames0000afd2015-06-26 23:56:53 +00001780
1781template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
1782 const typename ELFFile<ELFT>::Elf_Shdr *StackMapSection = nullptr;
1783 for (const auto &Sec : Obj->sections()) {
1784 ErrorOr<StringRef> Name = Obj->getSectionName(&Sec);
1785 if (*Name == ".llvm_stackmaps") {
1786 StackMapSection = &Sec;
1787 break;
1788 }
1789 }
1790
1791 if (!StackMapSection)
1792 return;
1793
1794 StringRef StackMapContents;
1795 ErrorOr<ArrayRef<uint8_t>> StackMapContentsArray =
1796 Obj->getSectionContents(StackMapSection);
1797
1798 prettyPrintStackMap(
1799 llvm::outs(),
1800 StackMapV1Parser<ELFT::TargetEndianness>(*StackMapContentsArray));
1801}