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Eugene Zelenko416e0592017-06-09 21:41:54 +00001//===- ELFDumper.cpp - ELF-specific dumper --------------------------------===//
George Rimar47936762016-01-16 00:49:19 +00002//
Chandler Carruth2946cd72019-01-19 08:50:56 +00003// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
George Rimar47936762016-01-16 00:49:19 +00006//
7//===----------------------------------------------------------------------===//
8///
9/// \file
Adrian Prantl5f8f34e42018-05-01 15:54:18 +000010/// This file implements the ELF-specific dumper for llvm-readobj.
George Rimar47936762016-01-16 00:49:19 +000011///
12//===----------------------------------------------------------------------===//
13
George Rimar47936762016-01-16 00:49:19 +000014#include "ARMEHABIPrinter.h"
Rafael Auler86fb7bf2018-03-08 00:46:53 +000015#include "DwarfCFIEHPrinter.h"
George Rimar47936762016-01-16 00:49:19 +000016#include "Error.h"
17#include "ObjDumper.h"
18#include "StackMapPrinter.h"
Zachary Turner88bb1632016-05-03 00:28:04 +000019#include "llvm-readobj.h"
Eugene Zelenko416e0592017-06-09 21:41:54 +000020#include "llvm/ADT/ArrayRef.h"
George Rimar762abff62017-09-16 14:29:51 +000021#include "llvm/ADT/DenseMap.h"
Matt Davis0d0e9c02019-02-05 21:01:01 +000022#include "llvm/ADT/DenseSet.h"
George Rimar47936762016-01-16 00:49:19 +000023#include "llvm/ADT/Optional.h"
Eugene Zelenko416e0592017-06-09 21:41:54 +000024#include "llvm/ADT/PointerIntPair.h"
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +000025#include "llvm/ADT/STLExtras.h"
George Rimar47936762016-01-16 00:49:19 +000026#include "llvm/ADT/SmallString.h"
Eugene Zelenko416e0592017-06-09 21:41:54 +000027#include "llvm/ADT/SmallVector.h"
George Rimar47936762016-01-16 00:49:19 +000028#include "llvm/ADT/StringExtras.h"
Eugene Zelenko416e0592017-06-09 21:41:54 +000029#include "llvm/ADT/StringRef.h"
30#include "llvm/ADT/Twine.h"
Scott Linderf5b36e52018-12-12 19:39:27 +000031#include "llvm/BinaryFormat/AMDGPUMetadataVerifier.h"
Eugene Zelenko416e0592017-06-09 21:41:54 +000032#include "llvm/BinaryFormat/ELF.h"
James Hendersone50d9cb2019-01-17 15:34:12 +000033#include "llvm/Demangle/Demangle.h"
Eugene Zelenko416e0592017-06-09 21:41:54 +000034#include "llvm/Object/ELF.h"
George Rimar47936762016-01-16 00:49:19 +000035#include "llvm/Object/ELFObjectFile.h"
Eugene Zelenko416e0592017-06-09 21:41:54 +000036#include "llvm/Object/ELFTypes.h"
37#include "llvm/Object/Error.h"
38#include "llvm/Object/ObjectFile.h"
39#include "llvm/Object/StackMapParser.h"
Konstantin Zhuravlyovb3c605d2017-10-14 18:21:42 +000040#include "llvm/Support/AMDGPUMetadata.h"
Sam Parker34315ee2017-01-13 10:50:01 +000041#include "llvm/Support/ARMAttributeParser.h"
George Rimar47936762016-01-16 00:49:19 +000042#include "llvm/Support/ARMBuildAttributes.h"
Eugene Zelenko416e0592017-06-09 21:41:54 +000043#include "llvm/Support/Casting.h"
George Rimar47936762016-01-16 00:49:19 +000044#include "llvm/Support/Compiler.h"
Eugene Zelenko416e0592017-06-09 21:41:54 +000045#include "llvm/Support/Endian.h"
46#include "llvm/Support/ErrorHandling.h"
George Rimar47936762016-01-16 00:49:19 +000047#include "llvm/Support/Format.h"
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +000048#include "llvm/Support/FormatVariadic.h"
Zachary Turner88bb1632016-05-03 00:28:04 +000049#include "llvm/Support/FormattedStream.h"
Peter Collingbourne3e227332018-07-17 22:17:18 +000050#include "llvm/Support/LEB128.h"
George Rimar47936762016-01-16 00:49:19 +000051#include "llvm/Support/MathExtras.h"
52#include "llvm/Support/MipsABIFlags.h"
Zachary Turner88bb1632016-05-03 00:28:04 +000053#include "llvm/Support/ScopedPrinter.h"
George Rimar47936762016-01-16 00:49:19 +000054#include "llvm/Support/raw_ostream.h"
Eugene Zelenko416e0592017-06-09 21:41:54 +000055#include <algorithm>
56#include <cinttypes>
57#include <cstddef>
58#include <cstdint>
59#include <cstdlib>
60#include <iterator>
61#include <memory>
62#include <string>
63#include <system_error>
64#include <vector>
George Rimar47936762016-01-16 00:49:19 +000065
66using namespace llvm;
67using namespace llvm::object;
68using namespace ELF;
69
70#define LLVM_READOBJ_ENUM_CASE(ns, enum) \
71 case ns::enum: return #enum;
72
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +000073#define ENUM_ENT(enum, altName) \
74 { #enum, altName, ELF::enum }
75
76#define ENUM_ENT_1(enum) \
77 { #enum, #enum, ELF::enum }
78
Hemant Kulkarni7d564ba2016-03-28 17:20:23 +000079#define LLVM_READOBJ_PHDR_ENUM(ns, enum) \
80 case ns::enum: \
81 return std::string(#enum).substr(3);
82
Hemant Kulkarni206ba842016-03-09 19:16:13 +000083#define TYPEDEF_ELF_TYPES(ELFT) \
Eugene Zelenko416e0592017-06-09 21:41:54 +000084 using ELFO = ELFFile<ELFT>; \
Rui Ueyama478d6352018-01-12 02:28:31 +000085 using Elf_Addr = typename ELFT::Addr; \
86 using Elf_Shdr = typename ELFT::Shdr; \
87 using Elf_Sym = typename ELFT::Sym; \
88 using Elf_Dyn = typename ELFT::Dyn; \
89 using Elf_Dyn_Range = typename ELFT::DynRange; \
90 using Elf_Rel = typename ELFT::Rel; \
91 using Elf_Rela = typename ELFT::Rela; \
Jake Ehrlich0f440d82018-06-28 21:07:34 +000092 using Elf_Relr = typename ELFT::Relr; \
Rui Ueyama478d6352018-01-12 02:28:31 +000093 using Elf_Rel_Range = typename ELFT::RelRange; \
94 using Elf_Rela_Range = typename ELFT::RelaRange; \
Jake Ehrlich0f440d82018-06-28 21:07:34 +000095 using Elf_Relr_Range = typename ELFT::RelrRange; \
Rui Ueyama478d6352018-01-12 02:28:31 +000096 using Elf_Phdr = typename ELFT::Phdr; \
97 using Elf_Half = typename ELFT::Half; \
98 using Elf_Ehdr = typename ELFT::Ehdr; \
99 using Elf_Word = typename ELFT::Word; \
100 using Elf_Hash = typename ELFT::Hash; \
101 using Elf_GnuHash = typename ELFT::GnuHash; \
Scott Linder77a5f212018-03-12 19:28:50 +0000102 using Elf_Note = typename ELFT::Note; \
Rui Ueyama478d6352018-01-12 02:28:31 +0000103 using Elf_Sym_Range = typename ELFT::SymRange; \
104 using Elf_Versym = typename ELFT::Versym; \
105 using Elf_Verneed = typename ELFT::Verneed; \
106 using Elf_Vernaux = typename ELFT::Vernaux; \
107 using Elf_Verdef = typename ELFT::Verdef; \
108 using Elf_Verdaux = typename ELFT::Verdaux; \
Michael J. Spencerae6eeae2018-06-02 16:33:01 +0000109 using Elf_CGProfile = typename ELFT::CGProfile; \
Rui Ueyama478d6352018-01-12 02:28:31 +0000110 using uintX_t = typename ELFT::uint;
Hemant Kulkarni206ba842016-03-09 19:16:13 +0000111
George Rimar47936762016-01-16 00:49:19 +0000112namespace {
113
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000114template <class ELFT> class DumpStyle;
115
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000116/// Represents a contiguous uniform range in the file. We cannot just create a
117/// range directly because when creating one of these from the .dynamic table
118/// the size, entity size and virtual address are different entries in arbitrary
119/// order (DT_REL, DT_RELSZ, DT_RELENT for example).
Rafael Espindola65a6fd82016-02-16 14:27:33 +0000120struct DynRegionInfo {
Eugene Zelenko416e0592017-06-09 21:41:54 +0000121 DynRegionInfo() = default;
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000122 DynRegionInfo(const void *A, uint64_t S, uint64_t ES)
123 : Addr(A), Size(S), EntSize(ES) {}
Eugene Zelenko416e0592017-06-09 21:41:54 +0000124
Adrian Prantl5f8f34e42018-05-01 15:54:18 +0000125 /// Address in current address space.
Eugene Zelenko416e0592017-06-09 21:41:54 +0000126 const void *Addr = nullptr;
Adrian Prantl5f8f34e42018-05-01 15:54:18 +0000127 /// Size in bytes of the region.
Eugene Zelenko416e0592017-06-09 21:41:54 +0000128 uint64_t Size = 0;
Adrian Prantl5f8f34e42018-05-01 15:54:18 +0000129 /// Size of each entity in the region.
Eugene Zelenko416e0592017-06-09 21:41:54 +0000130 uint64_t EntSize = 0;
Rafael Espindolac70aeda2016-02-16 14:50:39 +0000131
Rafael Espindolaaafcf752016-04-05 14:47:22 +0000132 template <typename Type> ArrayRef<Type> getAsArrayRef() const {
Rafael Espindolac70aeda2016-02-16 14:50:39 +0000133 const Type *Start = reinterpret_cast<const Type *>(Addr);
Rafael Espindola944f6552016-02-16 15:16:00 +0000134 if (!Start)
135 return {Start, Start};
Rafael Espindolac70aeda2016-02-16 14:50:39 +0000136 if (EntSize != sizeof(Type) || Size % EntSize)
137 reportError("Invalid entity size");
138 return {Start, Start + (Size / EntSize)};
139 }
Rafael Espindola65a6fd82016-02-16 14:27:33 +0000140};
141
George Rimar47936762016-01-16 00:49:19 +0000142template<typename ELFT>
143class ELFDumper : public ObjDumper {
144public:
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000145 ELFDumper(const object::ELFObjectFile<ELFT> *ObjF, ScopedPrinter &Writer);
George Rimar47936762016-01-16 00:49:19 +0000146
147 void printFileHeaders() override;
Jordan Rupprechtdbf552c2018-11-12 18:02:38 +0000148 void printSectionHeaders() override;
George Rimar47936762016-01-16 00:49:19 +0000149 void printRelocations() override;
150 void printDynamicRelocations() override;
James Henderson21ed8682019-01-23 16:15:39 +0000151 void printSymbols(bool PrintSymbols, bool PrintDynamicSymbols) override;
James Henderson5fc812f2019-01-22 09:35:35 +0000152 void printHashSymbols() override;
George Rimar47936762016-01-16 00:49:19 +0000153 void printUnwindInfo() override;
154
155 void printDynamicTable() override;
156 void printNeededLibraries() override;
Matt Davis50ca8ed2019-02-01 18:51:10 +0000157 void printProgramHeaders(bool PrintProgramHeaders,
158 cl::boolOrDefault PrintSectionMapping) override;
George Rimar47936762016-01-16 00:49:19 +0000159 void printHashTable() override;
160 void printGnuHashTable() override;
161 void printLoadName() override;
162 void printVersionInfo() override;
Hemant Kulkarniab4a46f2016-01-26 19:46:39 +0000163 void printGroupSections() override;
George Rimar47936762016-01-16 00:49:19 +0000164
165 void printAttributes() override;
166 void printMipsPLTGOT() override;
167 void printMipsABIFlags() override;
168 void printMipsReginfo() override;
Simon Atanasyan8a71b532016-05-04 05:58:57 +0000169 void printMipsOptions() override;
George Rimar47936762016-01-16 00:49:19 +0000170
171 void printStackMap() const override;
172
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +0000173 void printHashHistogram() override;
174
Michael J. Spencerae6eeae2018-06-02 16:33:01 +0000175 void printCGProfile() override;
Peter Collingbourne3e227332018-07-17 22:17:18 +0000176 void printAddrsig() override;
Michael J. Spencerae6eeae2018-06-02 16:33:01 +0000177
Saleem Abdulrasool6a405442016-08-30 18:52:02 +0000178 void printNotes() override;
179
Saleem Abdulrasoolb36fbbc2018-01-30 16:29:29 +0000180 void printELFLinkerOptions() override;
181
George Rimar47936762016-01-16 00:49:19 +0000182private:
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000183 std::unique_ptr<DumpStyle<ELFT>> ELFDumperStyle;
Eugene Zelenko416e0592017-06-09 21:41:54 +0000184
Rafael Espindola6bc29902016-10-06 14:07:26 +0000185 TYPEDEF_ELF_TYPES(ELFT)
George Rimar47936762016-01-16 00:49:19 +0000186
Rafael Espindolae17c3f32016-02-17 16:48:00 +0000187 DynRegionInfo checkDRI(DynRegionInfo DRI) {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000188 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
Rafael Espindolae17c3f32016-02-17 16:48:00 +0000189 if (DRI.Addr < Obj->base() ||
190 (const uint8_t *)DRI.Addr + DRI.Size > Obj->base() + Obj->getBufSize())
191 error(llvm::object::object_error::parse_failed);
192 return DRI;
193 }
194
195 DynRegionInfo createDRIFrom(const Elf_Phdr *P, uintX_t EntSize) {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000196 return checkDRI({ObjF->getELFFile()->base() + P->p_offset, P->p_filesz, EntSize});
Rafael Espindolae17c3f32016-02-17 16:48:00 +0000197 }
198
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000199 DynRegionInfo createDRIFrom(const Elf_Shdr *S) {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000200 return checkDRI({ObjF->getELFFile()->base() + S->sh_offset, S->sh_size, S->sh_entsize});
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000201 }
202
Michael J. Spencer60d82b22016-02-11 04:59:37 +0000203 void parseDynamicTable(ArrayRef<const Elf_Phdr *> LoadSegments);
204
George Rimar47936762016-01-16 00:49:19 +0000205 void printValue(uint64_t Type, uint64_t Value);
206
George Rimar47936762016-01-16 00:49:19 +0000207 StringRef getDynamicString(uint64_t Offset) const;
George Rimar47936762016-01-16 00:49:19 +0000208 StringRef getSymbolVersion(StringRef StrTab, const Elf_Sym *symb,
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000209 bool &IsDefault) const;
210 void LoadVersionMap() const;
George Rimar47936762016-01-16 00:49:19 +0000211 void LoadVersionNeeds(const Elf_Shdr *ec) const;
212 void LoadVersionDefs(const Elf_Shdr *sec) const;
213
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000214 const object::ELFObjectFile<ELFT> *ObjF;
Simon Atanasyan72155c32016-01-16 22:40:09 +0000215 DynRegionInfo DynRelRegion;
George Rimar47936762016-01-16 00:49:19 +0000216 DynRegionInfo DynRelaRegion;
Jake Ehrlich0f440d82018-06-28 21:07:34 +0000217 DynRegionInfo DynRelrRegion;
Rafael Espindola944f6552016-02-16 15:16:00 +0000218 DynRegionInfo DynPLTRelRegion;
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000219 DynRegionInfo DynSymRegion;
Rafael Espindolae17c3f32016-02-17 16:48:00 +0000220 DynRegionInfo DynamicTable;
George Rimar47936762016-01-16 00:49:19 +0000221 StringRef DynamicStringTable;
George Rimar47936762016-01-16 00:49:19 +0000222 StringRef SOName;
223 const Elf_Hash *HashTable = nullptr;
224 const Elf_GnuHash *GnuHashTable = nullptr;
George Rimar47936762016-01-16 00:49:19 +0000225 const Elf_Shdr *DotSymtabSec = nullptr;
Michael J. Spencerae6eeae2018-06-02 16:33:01 +0000226 const Elf_Shdr *DotCGProfileSec = nullptr;
Peter Collingbourne3e227332018-07-17 22:17:18 +0000227 const Elf_Shdr *DotAddrsigSec = nullptr;
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +0000228 StringRef DynSymtabName;
George Rimar47936762016-01-16 00:49:19 +0000229 ArrayRef<Elf_Word> ShndxTable;
230
231 const Elf_Shdr *dot_gnu_version_sec = nullptr; // .gnu.version
232 const Elf_Shdr *dot_gnu_version_r_sec = nullptr; // .gnu.version_r
233 const Elf_Shdr *dot_gnu_version_d_sec = nullptr; // .gnu.version_d
234
235 // Records for each version index the corresponding Verdef or Vernaux entry.
236 // This is filled the first time LoadVersionMap() is called.
237 class VersionMapEntry : public PointerIntPair<const void *, 1> {
238 public:
239 // If the integer is 0, this is an Elf_Verdef*.
240 // If the integer is 1, this is an Elf_Vernaux*.
241 VersionMapEntry() : PointerIntPair<const void *, 1>(nullptr, 0) {}
242 VersionMapEntry(const Elf_Verdef *verdef)
243 : PointerIntPair<const void *, 1>(verdef, 0) {}
244 VersionMapEntry(const Elf_Vernaux *vernaux)
245 : PointerIntPair<const void *, 1>(vernaux, 1) {}
Eugene Zelenko416e0592017-06-09 21:41:54 +0000246
George Rimar47936762016-01-16 00:49:19 +0000247 bool isNull() const { return getPointer() == nullptr; }
248 bool isVerdef() const { return !isNull() && getInt() == 0; }
249 bool isVernaux() const { return !isNull() && getInt() == 1; }
250 const Elf_Verdef *getVerdef() const {
251 return isVerdef() ? (const Elf_Verdef *)getPointer() : nullptr;
252 }
253 const Elf_Vernaux *getVernaux() const {
254 return isVernaux() ? (const Elf_Vernaux *)getPointer() : nullptr;
255 }
256 };
257 mutable SmallVector<VersionMapEntry, 16> VersionMap;
258
259public:
260 Elf_Dyn_Range dynamic_table() const {
Rafael Espindolaaafcf752016-04-05 14:47:22 +0000261 return DynamicTable.getAsArrayRef<Elf_Dyn>();
George Rimar47936762016-01-16 00:49:19 +0000262 }
263
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000264 Elf_Sym_Range dynamic_symbols() const {
Rafael Espindolaaafcf752016-04-05 14:47:22 +0000265 return DynSymRegion.getAsArrayRef<Elf_Sym>();
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000266 }
267
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000268 Elf_Rel_Range dyn_rels() const;
269 Elf_Rela_Range dyn_relas() const;
Jake Ehrlich0f440d82018-06-28 21:07:34 +0000270 Elf_Relr_Range dyn_relrs() const;
George Rimar47936762016-01-16 00:49:19 +0000271 std::string getFullSymbolName(const Elf_Sym *Symbol, StringRef StrTable,
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000272 bool IsDynamic) const;
Simon Atanasyan62d32592017-12-21 10:26:02 +0000273 void getSectionNameIndex(const Elf_Sym *Symbol, const Elf_Sym *FirstSym,
274 StringRef &SectionName,
275 unsigned &SectionIndex) const;
James Hendersone50d9cb2019-01-17 15:34:12 +0000276 std::string getStaticSymbolName(uint32_t Index) const;
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +0000277
278 void printSymbolsHelper(bool IsDynamic) const;
George Rimar47936762016-01-16 00:49:19 +0000279 const Elf_Shdr *getDotSymtabSec() const { return DotSymtabSec; }
Michael J. Spencerae6eeae2018-06-02 16:33:01 +0000280 const Elf_Shdr *getDotCGProfileSec() const { return DotCGProfileSec; }
Peter Collingbourne3e227332018-07-17 22:17:18 +0000281 const Elf_Shdr *getDotAddrsigSec() const { return DotAddrsigSec; }
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000282 ArrayRef<Elf_Word> getShndxTable() const { return ShndxTable; }
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000283 StringRef getDynamicStringTable() const { return DynamicStringTable; }
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000284 const DynRegionInfo &getDynRelRegion() const { return DynRelRegion; }
285 const DynRegionInfo &getDynRelaRegion() const { return DynRelaRegion; }
Jake Ehrlich0f440d82018-06-28 21:07:34 +0000286 const DynRegionInfo &getDynRelrRegion() const { return DynRelrRegion; }
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000287 const DynRegionInfo &getDynPLTRelRegion() const { return DynPLTRelRegion; }
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +0000288 const Elf_Hash *getHashTable() const { return HashTable; }
289 const Elf_GnuHash *getGnuHashTable() const { return GnuHashTable; }
George Rimar47936762016-01-16 00:49:19 +0000290};
291
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +0000292template <class ELFT>
293void ELFDumper<ELFT>::printSymbolsHelper(bool IsDynamic) const {
294 StringRef StrTable, SymtabName;
295 size_t Entries = 0;
296 Elf_Sym_Range Syms(nullptr, nullptr);
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000297 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +0000298 if (IsDynamic) {
299 StrTable = DynamicStringTable;
300 Syms = dynamic_symbols();
301 SymtabName = DynSymtabName;
302 if (DynSymRegion.Addr)
303 Entries = DynSymRegion.Size / DynSymRegion.EntSize;
304 } else {
305 if (!DotSymtabSec)
306 return;
307 StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec));
Rafael Espindola9ea68342016-11-03 13:43:30 +0000308 Syms = unwrapOrError(Obj->symbols(DotSymtabSec));
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +0000309 SymtabName = unwrapOrError(Obj->getSectionName(DotSymtabSec));
310 Entries = DotSymtabSec->getEntityCount();
311 }
312 if (Syms.begin() == Syms.end())
313 return;
314 ELFDumperStyle->printSymtabMessage(Obj, SymtabName, Entries);
315 for (const auto &Sym : Syms)
316 ELFDumperStyle->printSymbol(Obj, &Sym, Syms.begin(), StrTable, IsDynamic);
317}
318
Simon Atanasyan62d32592017-12-21 10:26:02 +0000319template <class ELFT> class MipsGOTParser;
320
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000321template <typename ELFT> class DumpStyle {
322public:
Rui Ueyama478d6352018-01-12 02:28:31 +0000323 using Elf_Shdr = typename ELFT::Shdr;
324 using Elf_Sym = typename ELFT::Sym;
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +0000325
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000326 DumpStyle(ELFDumper<ELFT> *Dumper) : Dumper(Dumper) {}
Eugene Zelenko416e0592017-06-09 21:41:54 +0000327 virtual ~DumpStyle() = default;
328
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +0000329 virtual void printFileHeaders(const ELFFile<ELFT> *Obj) = 0;
Hemant Kulkarni206ba842016-03-09 19:16:13 +0000330 virtual void printGroupSections(const ELFFile<ELFT> *Obj) = 0;
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000331 virtual void printRelocations(const ELFFile<ELFT> *Obj) = 0;
Jordan Rupprechtdbf552c2018-11-12 18:02:38 +0000332 virtual void printSectionHeaders(const ELFFile<ELFT> *Obj) = 0;
James Henderson21ed8682019-01-23 16:15:39 +0000333 virtual void printSymbols(const ELFFile<ELFT> *Obj, bool PrintSymbols,
334 bool PrintDynamicSymbols) = 0;
James Henderson5fc812f2019-01-22 09:35:35 +0000335 virtual void printHashSymbols(const ELFFile<ELFT> *Obj) {}
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000336 virtual void printDynamicRelocations(const ELFFile<ELFT> *Obj) = 0;
James Henderson5fc812f2019-01-22 09:35:35 +0000337 virtual void printSymtabMessage(const ELFFile<ELFT> *Obj, StringRef Name,
Eugene Zelenko416e0592017-06-09 21:41:54 +0000338 size_t Offset) {}
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +0000339 virtual void printSymbol(const ELFFile<ELFT> *Obj, const Elf_Sym *Symbol,
340 const Elf_Sym *FirstSym, StringRef StrTable,
341 bool IsDynamic) = 0;
Matt Davis50ca8ed2019-02-01 18:51:10 +0000342 virtual void printProgramHeaders(const ELFFile<ELFT> *Obj,
343 bool PrintProgramHeaders,
344 cl::boolOrDefault PrintSectionMapping) = 0;
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +0000345 virtual void printHashHistogram(const ELFFile<ELFT> *Obj) = 0;
Michael J. Spencerae6eeae2018-06-02 16:33:01 +0000346 virtual void printCGProfile(const ELFFile<ELFT> *Obj) = 0;
Peter Collingbourne3e227332018-07-17 22:17:18 +0000347 virtual void printAddrsig(const ELFFile<ELFT> *Obj) = 0;
Saleem Abdulrasool6a405442016-08-30 18:52:02 +0000348 virtual void printNotes(const ELFFile<ELFT> *Obj) = 0;
Saleem Abdulrasoolb36fbbc2018-01-30 16:29:29 +0000349 virtual void printELFLinkerOptions(const ELFFile<ELFT> *Obj) = 0;
Simon Atanasyan62d32592017-12-21 10:26:02 +0000350 virtual void printMipsGOT(const MipsGOTParser<ELFT> &Parser) = 0;
351 virtual void printMipsPLT(const MipsGOTParser<ELFT> &Parser) = 0;
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000352 const ELFDumper<ELFT> *dumper() const { return Dumper; }
Eugene Zelenko416e0592017-06-09 21:41:54 +0000353
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000354private:
355 const ELFDumper<ELFT> *Dumper;
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000356};
357
358template <typename ELFT> class GNUStyle : public DumpStyle<ELFT> {
359 formatted_raw_ostream OS;
Eugene Zelenko416e0592017-06-09 21:41:54 +0000360
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000361public:
Hemant Kulkarni206ba842016-03-09 19:16:13 +0000362 TYPEDEF_ELF_TYPES(ELFT)
Eugene Zelenko416e0592017-06-09 21:41:54 +0000363
Zachary Turner88bb1632016-05-03 00:28:04 +0000364 GNUStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper)
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000365 : DumpStyle<ELFT>(Dumper), OS(W.getOStream()) {}
Eugene Zelenko416e0592017-06-09 21:41:54 +0000366
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000367 void printFileHeaders(const ELFO *Obj) override;
Hemant Kulkarni206ba842016-03-09 19:16:13 +0000368 void printGroupSections(const ELFFile<ELFT> *Obj) override;
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000369 void printRelocations(const ELFO *Obj) override;
Jordan Rupprechtdbf552c2018-11-12 18:02:38 +0000370 void printSectionHeaders(const ELFO *Obj) override;
James Henderson21ed8682019-01-23 16:15:39 +0000371 void printSymbols(const ELFO *Obj, bool PrintSymbols,
372 bool PrintDynamicSymbols) override;
James Henderson5fc812f2019-01-22 09:35:35 +0000373 void printHashSymbols(const ELFO *Obj) override;
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000374 void printDynamicRelocations(const ELFO *Obj) override;
Eugene Zelenko416e0592017-06-09 21:41:54 +0000375 void printSymtabMessage(const ELFO *Obj, StringRef Name,
376 size_t Offset) override;
Matt Davis50ca8ed2019-02-01 18:51:10 +0000377 void printProgramHeaders(const ELFO *Obj, bool PrintProgramHeaders,
378 cl::boolOrDefault PrintSectionMapping) override;
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +0000379 void printHashHistogram(const ELFFile<ELFT> *Obj) override;
Michael J. Spencerae6eeae2018-06-02 16:33:01 +0000380 void printCGProfile(const ELFFile<ELFT> *Obj) override;
Peter Collingbourne3e227332018-07-17 22:17:18 +0000381 void printAddrsig(const ELFFile<ELFT> *Obj) override;
Saleem Abdulrasool6a405442016-08-30 18:52:02 +0000382 void printNotes(const ELFFile<ELFT> *Obj) override;
Saleem Abdulrasoolb36fbbc2018-01-30 16:29:29 +0000383 void printELFLinkerOptions(const ELFFile<ELFT> *Obj) override;
Simon Atanasyan62d32592017-12-21 10:26:02 +0000384 void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override;
385 void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override;
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000386
387private:
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000388 struct Field {
George Rimar4b4899b2019-01-30 14:08:55 +0000389 std::string Str;
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000390 unsigned Column;
Eugene Zelenko416e0592017-06-09 21:41:54 +0000391
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000392 Field(StringRef S, unsigned Col) : Str(S), Column(Col) {}
George Rimar4b4899b2019-01-30 14:08:55 +0000393 Field(unsigned Col) : Column(Col) {}
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000394 };
395
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000396 template <typename T, typename TEnum>
397 std::string printEnum(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues) {
398 for (const auto &EnumItem : EnumValues)
399 if (EnumItem.Value == Value)
400 return EnumItem.AltName;
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000401 return to_hexString(Value, false);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000402 }
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +0000403
Simon Atanasyan19932542018-10-25 05:39:27 +0000404 template <typename T, typename TEnum>
405 std::string printFlags(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues,
406 TEnum EnumMask1 = {}, TEnum EnumMask2 = {},
407 TEnum EnumMask3 = {}) {
408 std::string Str;
409 for (const auto &Flag : EnumValues) {
410 if (Flag.Value == 0)
411 continue;
412
413 TEnum EnumMask{};
414 if (Flag.Value & EnumMask1)
415 EnumMask = EnumMask1;
416 else if (Flag.Value & EnumMask2)
417 EnumMask = EnumMask2;
418 else if (Flag.Value & EnumMask3)
419 EnumMask = EnumMask3;
420 bool IsEnum = (Flag.Value & EnumMask) != 0;
421 if ((!IsEnum && (Value & Flag.Value) == Flag.Value) ||
422 (IsEnum && (Value & EnumMask) == Flag.Value)) {
423 if (!Str.empty())
424 Str += ", ";
425 Str += Flag.AltName;
426 }
427 }
428 return Str;
429 }
430
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000431 formatted_raw_ostream &printField(struct Field F) {
432 if (F.Column != 0)
433 OS.PadToColumn(F.Column);
434 OS << F.Str;
435 OS.flush();
436 return OS;
437 }
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +0000438 void printHashedSymbol(const ELFO *Obj, const Elf_Sym *FirstSym, uint32_t Sym,
439 StringRef StrTable, uint32_t Bucket);
Jake Ehrlich0f440d82018-06-28 21:07:34 +0000440 void printRelocHeader(unsigned SType);
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000441 void printRelocation(const ELFO *Obj, const Elf_Shdr *SymTab,
442 const Elf_Rela &R, bool IsRela);
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +0000443 void printSymbol(const ELFO *Obj, const Elf_Sym *Symbol, const Elf_Sym *First,
444 StringRef StrTable, bool IsDynamic) override;
445 std::string getSymbolSectionNdx(const ELFO *Obj, const Elf_Sym *Symbol,
446 const Elf_Sym *FirstSym);
Hemant Kulkarnia79c7982016-03-29 02:41:49 +0000447 void printDynamicRelocation(const ELFO *Obj, Elf_Rela R, bool IsRela);
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +0000448 bool checkTLSSections(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
449 bool checkoffsets(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
450 bool checkVMA(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
451 bool checkPTDynamic(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
Matt Davis50ca8ed2019-02-01 18:51:10 +0000452 void printProgramHeaders(const ELFO *Obj);
453 void printSectionMapping(const ELFO *Obj);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000454};
455
456template <typename ELFT> class LLVMStyle : public DumpStyle<ELFT> {
457public:
Hemant Kulkarni206ba842016-03-09 19:16:13 +0000458 TYPEDEF_ELF_TYPES(ELFT)
Eugene Zelenko416e0592017-06-09 21:41:54 +0000459
Zachary Turner88bb1632016-05-03 00:28:04 +0000460 LLVMStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper)
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000461 : DumpStyle<ELFT>(Dumper), W(W) {}
462
463 void printFileHeaders(const ELFO *Obj) override;
Hemant Kulkarni206ba842016-03-09 19:16:13 +0000464 void printGroupSections(const ELFFile<ELFT> *Obj) override;
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000465 void printRelocations(const ELFO *Obj) override;
466 void printRelocations(const Elf_Shdr *Sec, const ELFO *Obj);
Jordan Rupprechtdbf552c2018-11-12 18:02:38 +0000467 void printSectionHeaders(const ELFO *Obj) override;
James Henderson21ed8682019-01-23 16:15:39 +0000468 void printSymbols(const ELFO *Obj, bool PrintSymbols,
469 bool PrintDynamicSymbols) override;
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000470 void printDynamicRelocations(const ELFO *Obj) override;
Matt Davis50ca8ed2019-02-01 18:51:10 +0000471 void printProgramHeaders(const ELFO *Obj, bool PrintProgramHeaders,
472 cl::boolOrDefault PrintSectionMapping) override;
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +0000473 void printHashHistogram(const ELFFile<ELFT> *Obj) override;
Michael J. Spencerae6eeae2018-06-02 16:33:01 +0000474 void printCGProfile(const ELFFile<ELFT> *Obj) override;
Peter Collingbourne3e227332018-07-17 22:17:18 +0000475 void printAddrsig(const ELFFile<ELFT> *Obj) override;
Saleem Abdulrasool6a405442016-08-30 18:52:02 +0000476 void printNotes(const ELFFile<ELFT> *Obj) override;
Saleem Abdulrasoolb36fbbc2018-01-30 16:29:29 +0000477 void printELFLinkerOptions(const ELFFile<ELFT> *Obj) override;
Simon Atanasyan62d32592017-12-21 10:26:02 +0000478 void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override;
479 void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override;
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000480
481private:
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000482 void printRelocation(const ELFO *Obj, Elf_Rela Rel, const Elf_Shdr *SymTab);
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000483 void printDynamicRelocation(const ELFO *Obj, Elf_Rela Rel);
James Henderson21ed8682019-01-23 16:15:39 +0000484 void printSymbols(const ELFO *Obj);
485 void printDynamicSymbols(const ELFO *Obj);
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +0000486 void printSymbol(const ELFO *Obj, const Elf_Sym *Symbol, const Elf_Sym *First,
487 StringRef StrTable, bool IsDynamic) override;
Matt Davis50ca8ed2019-02-01 18:51:10 +0000488 void printProgramHeaders(const ELFO *Obj);
489 void printSectionMapping(const ELFO *Obj) {}
Eugene Zelenko416e0592017-06-09 21:41:54 +0000490
Zachary Turner88bb1632016-05-03 00:28:04 +0000491 ScopedPrinter &W;
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000492};
493
Eugene Zelenko416e0592017-06-09 21:41:54 +0000494} // end anonymous namespace
George Rimar47936762016-01-16 00:49:19 +0000495
496namespace llvm {
497
498template <class ELFT>
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000499static std::error_code createELFDumper(const ELFObjectFile<ELFT> *Obj,
Zachary Turner88bb1632016-05-03 00:28:04 +0000500 ScopedPrinter &Writer,
George Rimar47936762016-01-16 00:49:19 +0000501 std::unique_ptr<ObjDumper> &Result) {
502 Result.reset(new ELFDumper<ELFT>(Obj, Writer));
503 return readobj_error::success;
504}
505
506std::error_code createELFDumper(const object::ObjectFile *Obj,
Zachary Turner88bb1632016-05-03 00:28:04 +0000507 ScopedPrinter &Writer,
George Rimar47936762016-01-16 00:49:19 +0000508 std::unique_ptr<ObjDumper> &Result) {
509 // Little-endian 32-bit
510 if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000511 return createELFDumper(ELFObj, Writer, Result);
George Rimar47936762016-01-16 00:49:19 +0000512
513 // Big-endian 32-bit
514 if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000515 return createELFDumper(ELFObj, Writer, Result);
George Rimar47936762016-01-16 00:49:19 +0000516
517 // Little-endian 64-bit
518 if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000519 return createELFDumper(ELFObj, Writer, Result);
George Rimar47936762016-01-16 00:49:19 +0000520
521 // Big-endian 64-bit
522 if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000523 return createELFDumper(ELFObj, Writer, Result);
George Rimar47936762016-01-16 00:49:19 +0000524
525 return readobj_error::unsupported_obj_file_format;
526}
527
Eugene Zelenko416e0592017-06-09 21:41:54 +0000528} // end namespace llvm
George Rimar47936762016-01-16 00:49:19 +0000529
530// Iterate through the versions needed section, and place each Elf_Vernaux
531// in the VersionMap according to its index.
532template <class ELFT>
533void ELFDumper<ELFT>::LoadVersionNeeds(const Elf_Shdr *sec) const {
534 unsigned vn_size = sec->sh_size; // Size of section in bytes
535 unsigned vn_count = sec->sh_info; // Number of Verneed entries
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000536 const char *sec_start = (const char *)ObjF->getELFFile()->base() + sec->sh_offset;
George Rimar47936762016-01-16 00:49:19 +0000537 const char *sec_end = sec_start + vn_size;
538 // The first Verneed entry is at the start of the section.
539 const char *p = sec_start;
540 for (unsigned i = 0; i < vn_count; i++) {
541 if (p + sizeof(Elf_Verneed) > sec_end)
542 report_fatal_error("Section ended unexpectedly while scanning "
543 "version needed records.");
544 const Elf_Verneed *vn = reinterpret_cast<const Elf_Verneed *>(p);
545 if (vn->vn_version != ELF::VER_NEED_CURRENT)
546 report_fatal_error("Unexpected verneed version");
547 // Iterate through the Vernaux entries
548 const char *paux = p + vn->vn_aux;
549 for (unsigned j = 0; j < vn->vn_cnt; j++) {
550 if (paux + sizeof(Elf_Vernaux) > sec_end)
551 report_fatal_error("Section ended unexpected while scanning auxiliary "
552 "version needed records.");
553 const Elf_Vernaux *vna = reinterpret_cast<const Elf_Vernaux *>(paux);
554 size_t index = vna->vna_other & ELF::VERSYM_VERSION;
555 if (index >= VersionMap.size())
556 VersionMap.resize(index + 1);
557 VersionMap[index] = VersionMapEntry(vna);
558 paux += vna->vna_next;
559 }
560 p += vn->vn_next;
561 }
562}
563
564// Iterate through the version definitions, and place each Elf_Verdef
565// in the VersionMap according to its index.
566template <class ELFT>
567void ELFDumper<ELFT>::LoadVersionDefs(const Elf_Shdr *sec) const {
568 unsigned vd_size = sec->sh_size; // Size of section in bytes
569 unsigned vd_count = sec->sh_info; // Number of Verdef entries
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000570 const char *sec_start = (const char *)ObjF->getELFFile()->base() + sec->sh_offset;
George Rimar47936762016-01-16 00:49:19 +0000571 const char *sec_end = sec_start + vd_size;
572 // The first Verdef entry is at the start of the section.
573 const char *p = sec_start;
574 for (unsigned i = 0; i < vd_count; i++) {
575 if (p + sizeof(Elf_Verdef) > sec_end)
576 report_fatal_error("Section ended unexpectedly while scanning "
577 "version definitions.");
578 const Elf_Verdef *vd = reinterpret_cast<const Elf_Verdef *>(p);
579 if (vd->vd_version != ELF::VER_DEF_CURRENT)
580 report_fatal_error("Unexpected verdef version");
581 size_t index = vd->vd_ndx & ELF::VERSYM_VERSION;
582 if (index >= VersionMap.size())
583 VersionMap.resize(index + 1);
584 VersionMap[index] = VersionMapEntry(vd);
585 p += vd->vd_next;
586 }
587}
588
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000589template <class ELFT> void ELFDumper<ELFT>::LoadVersionMap() const {
George Rimar47936762016-01-16 00:49:19 +0000590 // If there is no dynamic symtab or version table, there is nothing to do.
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000591 if (!DynSymRegion.Addr || !dot_gnu_version_sec)
George Rimar47936762016-01-16 00:49:19 +0000592 return;
593
594 // Has the VersionMap already been loaded?
Jordan Rupprecht16a0de22018-12-20 00:57:06 +0000595 if (!VersionMap.empty())
George Rimar47936762016-01-16 00:49:19 +0000596 return;
597
598 // The first two version indexes are reserved.
599 // Index 0 is LOCAL, index 1 is GLOBAL.
600 VersionMap.push_back(VersionMapEntry());
601 VersionMap.push_back(VersionMapEntry());
602
603 if (dot_gnu_version_d_sec)
604 LoadVersionDefs(dot_gnu_version_d_sec);
605
606 if (dot_gnu_version_r_sec)
607 LoadVersionNeeds(dot_gnu_version_r_sec);
608}
609
George Rimar47936762016-01-16 00:49:19 +0000610template <typename ELFO, class ELFT>
Zachary Turner88bb1632016-05-03 00:28:04 +0000611static void printVersionSymbolSection(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
George Rimar47936762016-01-16 00:49:19 +0000612 const typename ELFO::Elf_Shdr *Sec,
Zachary Turner88bb1632016-05-03 00:28:04 +0000613 ScopedPrinter &W) {
George Rimar47936762016-01-16 00:49:19 +0000614 DictScope SS(W, "Version symbols");
615 if (!Sec)
616 return;
Rafael Espindolaf04f1842016-02-17 16:21:49 +0000617 StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
George Rimar47936762016-01-16 00:49:19 +0000618 W.printNumber("Section Name", Name, Sec->sh_name);
619 W.printHex("Address", Sec->sh_addr);
620 W.printHex("Offset", Sec->sh_offset);
621 W.printNumber("Link", Sec->sh_link);
622
George Rimar47936762016-01-16 00:49:19 +0000623 const uint8_t *P = (const uint8_t *)Obj->base() + Sec->sh_offset;
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000624 StringRef StrTable = Dumper->getDynamicStringTable();
George Rimar47936762016-01-16 00:49:19 +0000625
626 // Same number of entries in the dynamic symbol table (DT_SYMTAB).
627 ListScope Syms(W, "Symbols");
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000628 for (const typename ELFO::Elf_Sym &Sym : Dumper->dynamic_symbols()) {
George Rimar47936762016-01-16 00:49:19 +0000629 DictScope S(W, "Symbol");
630 std::string FullSymbolName =
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000631 Dumper->getFullSymbolName(&Sym, StrTable, true /* IsDynamic */);
George Rimar47936762016-01-16 00:49:19 +0000632 W.printNumber("Version", *P);
633 W.printString("Name", FullSymbolName);
634 P += sizeof(typename ELFO::Elf_Half);
635 }
636}
637
George Rimarcd36e182016-06-07 11:04:49 +0000638static const EnumEntry<unsigned> SymVersionFlags[] = {
639 {"Base", "BASE", VER_FLG_BASE},
640 {"Weak", "WEAK", VER_FLG_WEAK},
641 {"Info", "INFO", VER_FLG_INFO}};
642
George Rimar47936762016-01-16 00:49:19 +0000643template <typename ELFO, class ELFT>
644static void printVersionDefinitionSection(ELFDumper<ELFT> *Dumper,
645 const ELFO *Obj,
646 const typename ELFO::Elf_Shdr *Sec,
Zachary Turner88bb1632016-05-03 00:28:04 +0000647 ScopedPrinter &W) {
Eugene Zelenko416e0592017-06-09 21:41:54 +0000648 using VerDef = typename ELFO::Elf_Verdef;
649 using VerdAux = typename ELFO::Elf_Verdaux;
George Rimarff8b5392016-06-22 13:43:38 +0000650
651 DictScope SD(W, "SHT_GNU_verdef");
George Rimar47936762016-01-16 00:49:19 +0000652 if (!Sec)
653 return;
George Rimar47936762016-01-16 00:49:19 +0000654
George Rimar47936762016-01-16 00:49:19 +0000655 const uint8_t *SecStartAddress =
656 (const uint8_t *)Obj->base() + Sec->sh_offset;
657 const uint8_t *SecEndAddress = SecStartAddress + Sec->sh_size;
658 const uint8_t *P = SecStartAddress;
Rafael Espindolaf04f1842016-02-17 16:21:49 +0000659 const typename ELFO::Elf_Shdr *StrTab =
660 unwrapOrError(Obj->getSection(Sec->sh_link));
George Rimar47936762016-01-16 00:49:19 +0000661
George Rimard4cfda52019-02-18 13:58:12 +0000662 unsigned VerDefsNum = Sec->sh_info;
George Rimarff8b5392016-06-22 13:43:38 +0000663 while (VerDefsNum--) {
664 if (P + sizeof(VerDef) > SecEndAddress)
George Rimar47936762016-01-16 00:49:19 +0000665 report_fatal_error("invalid offset in the section");
George Rimarff8b5392016-06-22 13:43:38 +0000666
667 auto *VD = reinterpret_cast<const VerDef *>(P);
668 DictScope Def(W, "Definition");
669 W.printNumber("Version", VD->vd_version);
670 W.printEnum("Flags", VD->vd_flags, makeArrayRef(SymVersionFlags));
George Rimar47936762016-01-16 00:49:19 +0000671 W.printNumber("Index", VD->vd_ndx);
Davide Italiano22b3ad862016-05-02 02:30:18 +0000672 W.printNumber("Hash", VD->vd_hash);
Rafael Espindolaf04f1842016-02-17 16:21:49 +0000673 W.printString("Name",
674 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
675 VD->getAux()->vda_name)));
George Rimarff8b5392016-06-22 13:43:38 +0000676 if (!VD->vd_cnt)
677 report_fatal_error("at least one definition string must exist");
678 if (VD->vd_cnt > 2)
679 report_fatal_error("more than one predecessor is not expected");
680
681 if (VD->vd_cnt == 2) {
682 const uint8_t *PAux = P + VD->vd_aux + VD->getAux()->vda_next;
683 const VerdAux *Aux = reinterpret_cast<const VerdAux *>(PAux);
684 W.printString("Predecessor",
685 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
686 Aux->vda_name)));
687 }
688
George Rimar47936762016-01-16 00:49:19 +0000689 P += VD->vd_next;
690 }
691}
692
George Rimarcd36e182016-06-07 11:04:49 +0000693template <typename ELFO, class ELFT>
694static void printVersionDependencySection(ELFDumper<ELFT> *Dumper,
695 const ELFO *Obj,
696 const typename ELFO::Elf_Shdr *Sec,
697 ScopedPrinter &W) {
Eugene Zelenko416e0592017-06-09 21:41:54 +0000698 using VerNeed = typename ELFO::Elf_Verneed;
699 using VernAux = typename ELFO::Elf_Vernaux;
George Rimarcd36e182016-06-07 11:04:49 +0000700
701 DictScope SD(W, "SHT_GNU_verneed");
702 if (!Sec)
703 return;
704
George Rimarcd36e182016-06-07 11:04:49 +0000705 const uint8_t *SecData = (const uint8_t *)Obj->base() + Sec->sh_offset;
706 const typename ELFO::Elf_Shdr *StrTab =
707 unwrapOrError(Obj->getSection(Sec->sh_link));
708
709 const uint8_t *P = SecData;
George Rimarb1d6f522019-02-12 09:50:04 +0000710 unsigned VerNeedNum = Sec->sh_info;
George Rimarcd36e182016-06-07 11:04:49 +0000711 for (unsigned I = 0; I < VerNeedNum; ++I) {
712 const VerNeed *Need = reinterpret_cast<const VerNeed *>(P);
713 DictScope Entry(W, "Dependency");
714 W.printNumber("Version", Need->vn_version);
715 W.printNumber("Count", Need->vn_cnt);
716 W.printString("FileName",
717 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
718 Need->vn_file)));
719
720 const uint8_t *PAux = P + Need->vn_aux;
721 for (unsigned J = 0; J < Need->vn_cnt; ++J) {
722 const VernAux *Aux = reinterpret_cast<const VernAux *>(PAux);
723 DictScope Entry(W, "Entry");
724 W.printNumber("Hash", Aux->vna_hash);
725 W.printEnum("Flags", Aux->vna_flags, makeArrayRef(SymVersionFlags));
726 W.printNumber("Index", Aux->vna_other);
727 W.printString("Name",
728 StringRef((const char *)(Obj->base() + StrTab->sh_offset +
729 Aux->vna_name)));
730 PAux += Aux->vna_next;
731 }
732 P += Need->vn_next;
733 }
734}
735
George Rimar47936762016-01-16 00:49:19 +0000736template <typename ELFT> void ELFDumper<ELFT>::printVersionInfo() {
737 // Dump version symbol section.
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000738 printVersionSymbolSection(this, ObjF->getELFFile(), dot_gnu_version_sec, W);
George Rimar47936762016-01-16 00:49:19 +0000739
740 // Dump version definition section.
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000741 printVersionDefinitionSection(this, ObjF->getELFFile(), dot_gnu_version_d_sec, W);
George Rimarcd36e182016-06-07 11:04:49 +0000742
743 // Dump version dependency section.
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000744 printVersionDependencySection(this, ObjF->getELFFile(), dot_gnu_version_r_sec, W);
George Rimar47936762016-01-16 00:49:19 +0000745}
746
747template <typename ELFT>
748StringRef ELFDumper<ELFT>::getSymbolVersion(StringRef StrTab,
749 const Elf_Sym *symb,
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000750 bool &IsDefault) const {
George Rimar47936762016-01-16 00:49:19 +0000751 // This is a dynamic symbol. Look in the GNU symbol version table.
752 if (!dot_gnu_version_sec) {
753 // No version table.
754 IsDefault = false;
755 return StringRef("");
756 }
757
758 // Determine the position in the symbol table of this entry.
759 size_t entry_index = (reinterpret_cast<uintptr_t>(symb) -
Rafael Espindolace2fbdd2016-02-17 15:38:21 +0000760 reinterpret_cast<uintptr_t>(DynSymRegion.Addr)) /
George Rimar47936762016-01-16 00:49:19 +0000761 sizeof(Elf_Sym);
762
763 // Get the corresponding version index entry
Rafael Espindolaed1395a2016-11-03 18:05:33 +0000764 const Elf_Versym *vs = unwrapOrError(
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000765 ObjF->getELFFile()->template getEntry<Elf_Versym>(dot_gnu_version_sec, entry_index));
George Rimar47936762016-01-16 00:49:19 +0000766 size_t version_index = vs->vs_index & ELF::VERSYM_VERSION;
767
768 // Special markers for unversioned symbols.
769 if (version_index == ELF::VER_NDX_LOCAL ||
770 version_index == ELF::VER_NDX_GLOBAL) {
771 IsDefault = false;
772 return StringRef("");
773 }
774
775 // Lookup this symbol in the version table
776 LoadVersionMap();
777 if (version_index >= VersionMap.size() || VersionMap[version_index].isNull())
778 reportError("Invalid version entry");
779 const VersionMapEntry &entry = VersionMap[version_index];
780
781 // Get the version name string
782 size_t name_offset;
783 if (entry.isVerdef()) {
784 // The first Verdaux entry holds the name.
785 name_offset = entry.getVerdef()->getAux()->vda_name;
786 IsDefault = !(vs->vs_index & ELF::VERSYM_HIDDEN);
787 } else {
788 name_offset = entry.getVernaux()->vna_name;
789 IsDefault = false;
790 }
791 if (name_offset >= StrTab.size())
792 reportError("Invalid string offset");
793 return StringRef(StrTab.data() + name_offset);
794}
795
James Hendersone50d9cb2019-01-17 15:34:12 +0000796static std::string maybeDemangle(StringRef Name) {
797 return opts::Demangle ? demangle(Name) : Name.str();
798}
799
George Rimar47936762016-01-16 00:49:19 +0000800template <typename ELFT>
James Hendersone50d9cb2019-01-17 15:34:12 +0000801std::string ELFDumper<ELFT>::getStaticSymbolName(uint32_t Index) const {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000802 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
Michael J. Spencerae6eeae2018-06-02 16:33:01 +0000803 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec));
804 Elf_Sym_Range Syms = unwrapOrError(Obj->symbols(DotSymtabSec));
805 if (Index >= Syms.size())
806 reportError("Invalid symbol index");
807 const Elf_Sym *Sym = &Syms[Index];
James Hendersone50d9cb2019-01-17 15:34:12 +0000808 return maybeDemangle(unwrapOrError(Sym->getName(StrTable)));
Michael J. Spencerae6eeae2018-06-02 16:33:01 +0000809}
810
811template <typename ELFT>
George Rimar47936762016-01-16 00:49:19 +0000812std::string ELFDumper<ELFT>::getFullSymbolName(const Elf_Sym *Symbol,
813 StringRef StrTable,
Hemant Kulkarnic030f232016-03-15 17:25:31 +0000814 bool IsDynamic) const {
James Hendersone50d9cb2019-01-17 15:34:12 +0000815 std::string SymbolName =
816 maybeDemangle(unwrapOrError(Symbol->getName(StrTable)));
George Rimar47936762016-01-16 00:49:19 +0000817 if (!IsDynamic)
818 return SymbolName;
819
George Rimar47936762016-01-16 00:49:19 +0000820 bool IsDefault;
821 StringRef Version = getSymbolVersion(StrTable, &*Symbol, IsDefault);
James Henderson6135b0f82019-01-08 10:58:05 +0000822 if (!Version.empty()) {
James Hendersone50d9cb2019-01-17 15:34:12 +0000823 SymbolName += (IsDefault ? "@@" : "@");
824 SymbolName += Version;
James Henderson6135b0f82019-01-08 10:58:05 +0000825 }
James Hendersone50d9cb2019-01-17 15:34:12 +0000826 return SymbolName;
George Rimar47936762016-01-16 00:49:19 +0000827}
828
Rafael Espindola714c2952016-11-03 14:41:17 +0000829template <typename ELFT>
Simon Atanasyan62d32592017-12-21 10:26:02 +0000830void ELFDumper<ELFT>::getSectionNameIndex(const Elf_Sym *Symbol,
831 const Elf_Sym *FirstSym,
832 StringRef &SectionName,
833 unsigned &SectionIndex) const {
George Rimar47936762016-01-16 00:49:19 +0000834 SectionIndex = Symbol->st_shndx;
835 if (Symbol->isUndefined())
836 SectionName = "Undefined";
837 else if (Symbol->isProcessorSpecific())
838 SectionName = "Processor Specific";
839 else if (Symbol->isOSSpecific())
840 SectionName = "Operating System Specific";
841 else if (Symbol->isAbsolute())
842 SectionName = "Absolute";
843 else if (Symbol->isCommon())
844 SectionName = "Common";
845 else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
846 SectionName = "Reserved";
847 else {
848 if (SectionIndex == SHN_XINDEX)
Rafael Espindola714c2952016-11-03 14:41:17 +0000849 SectionIndex = unwrapOrError(object::getExtendedSymbolTableIndex<ELFT>(
850 Symbol, FirstSym, ShndxTable));
Luke Cheesemanf57d7d82018-12-18 10:37:42 +0000851 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
Rafael Espindola714c2952016-11-03 14:41:17 +0000852 const typename ELFT::Shdr *Sec =
Simon Atanasyan62d32592017-12-21 10:26:02 +0000853 unwrapOrError(Obj->getSection(SectionIndex));
854 SectionName = unwrapOrError(Obj->getSectionName(Sec));
George Rimar47936762016-01-16 00:49:19 +0000855 }
856}
857
858template <class ELFO>
Simon Atanasyancb1175c2016-02-09 18:45:35 +0000859static const typename ELFO::Elf_Shdr *
860findNotEmptySectionByAddress(const ELFO *Obj, uint64_t Addr) {
Rafael Espindola25be8c82016-11-02 14:10:57 +0000861 for (const auto &Shdr : unwrapOrError(Obj->sections()))
Simon Atanasyancb1175c2016-02-09 18:45:35 +0000862 if (Shdr.sh_addr == Addr && Shdr.sh_size > 0)
George Rimar47936762016-01-16 00:49:19 +0000863 return &Shdr;
864 return nullptr;
865}
866
867template <class ELFO>
868static const typename ELFO::Elf_Shdr *findSectionByName(const ELFO &Obj,
869 StringRef Name) {
Rafael Espindola25be8c82016-11-02 14:10:57 +0000870 for (const auto &Shdr : unwrapOrError(Obj.sections())) {
Rafael Espindolaf04f1842016-02-17 16:21:49 +0000871 if (Name == unwrapOrError(Obj.getSectionName(&Shdr)))
George Rimar47936762016-01-16 00:49:19 +0000872 return &Shdr;
873 }
874 return nullptr;
875}
876
877static const EnumEntry<unsigned> ElfClass[] = {
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000878 {"None", "none", ELF::ELFCLASSNONE},
879 {"32-bit", "ELF32", ELF::ELFCLASS32},
880 {"64-bit", "ELF64", ELF::ELFCLASS64},
George Rimar47936762016-01-16 00:49:19 +0000881};
882
883static const EnumEntry<unsigned> ElfDataEncoding[] = {
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000884 {"None", "none", ELF::ELFDATANONE},
885 {"LittleEndian", "2's complement, little endian", ELF::ELFDATA2LSB},
886 {"BigEndian", "2's complement, big endian", ELF::ELFDATA2MSB},
George Rimar47936762016-01-16 00:49:19 +0000887};
888
889static const EnumEntry<unsigned> ElfObjectFileType[] = {
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000890 {"None", "NONE (none)", ELF::ET_NONE},
891 {"Relocatable", "REL (Relocatable file)", ELF::ET_REL},
892 {"Executable", "EXEC (Executable file)", ELF::ET_EXEC},
893 {"SharedObject", "DYN (Shared object file)", ELF::ET_DYN},
894 {"Core", "CORE (Core file)", ELF::ET_CORE},
George Rimar47936762016-01-16 00:49:19 +0000895};
896
897static const EnumEntry<unsigned> ElfOSABI[] = {
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000898 {"SystemV", "UNIX - System V", ELF::ELFOSABI_NONE},
899 {"HPUX", "UNIX - HP-UX", ELF::ELFOSABI_HPUX},
900 {"NetBSD", "UNIX - NetBSD", ELF::ELFOSABI_NETBSD},
901 {"GNU/Linux", "UNIX - GNU", ELF::ELFOSABI_LINUX},
902 {"GNU/Hurd", "GNU/Hurd", ELF::ELFOSABI_HURD},
903 {"Solaris", "UNIX - Solaris", ELF::ELFOSABI_SOLARIS},
904 {"AIX", "UNIX - AIX", ELF::ELFOSABI_AIX},
905 {"IRIX", "UNIX - IRIX", ELF::ELFOSABI_IRIX},
906 {"FreeBSD", "UNIX - FreeBSD", ELF::ELFOSABI_FREEBSD},
907 {"TRU64", "UNIX - TRU64", ELF::ELFOSABI_TRU64},
908 {"Modesto", "Novell - Modesto", ELF::ELFOSABI_MODESTO},
909 {"OpenBSD", "UNIX - OpenBSD", ELF::ELFOSABI_OPENBSD},
910 {"OpenVMS", "VMS - OpenVMS", ELF::ELFOSABI_OPENVMS},
911 {"NSK", "HP - Non-Stop Kernel", ELF::ELFOSABI_NSK},
912 {"AROS", "AROS", ELF::ELFOSABI_AROS},
913 {"FenixOS", "FenixOS", ELF::ELFOSABI_FENIXOS},
914 {"CloudABI", "CloudABI", ELF::ELFOSABI_CLOUDABI},
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000915 {"Standalone", "Standalone App", ELF::ELFOSABI_STANDALONE}
George Rimar47936762016-01-16 00:49:19 +0000916};
917
Konstantin Zhuravlyov121125f2017-10-02 20:49:58 +0000918static const EnumEntry<unsigned> AMDGPUElfOSABI[] = {
Konstantin Zhuravlyov0aa94d32017-10-03 21:14:14 +0000919 {"AMDGPU_HSA", "AMDGPU - HSA", ELF::ELFOSABI_AMDGPU_HSA},
920 {"AMDGPU_PAL", "AMDGPU - PAL", ELF::ELFOSABI_AMDGPU_PAL},
921 {"AMDGPU_MESA3D", "AMDGPU - MESA3D", ELF::ELFOSABI_AMDGPU_MESA3D}
Konstantin Zhuravlyov121125f2017-10-02 20:49:58 +0000922};
923
924static const EnumEntry<unsigned> ARMElfOSABI[] = {
925 {"ARM", "ARM", ELF::ELFOSABI_ARM}
926};
927
928static const EnumEntry<unsigned> C6000ElfOSABI[] = {
929 {"C6000_ELFABI", "Bare-metal C6000", ELF::ELFOSABI_C6000_ELFABI},
930 {"C6000_LINUX", "Linux C6000", ELF::ELFOSABI_C6000_LINUX}
931};
932
George Rimar47936762016-01-16 00:49:19 +0000933static const EnumEntry<unsigned> ElfMachineType[] = {
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000934 ENUM_ENT(EM_NONE, "None"),
935 ENUM_ENT(EM_M32, "WE32100"),
936 ENUM_ENT(EM_SPARC, "Sparc"),
937 ENUM_ENT(EM_386, "Intel 80386"),
938 ENUM_ENT(EM_68K, "MC68000"),
939 ENUM_ENT(EM_88K, "MC88000"),
940 ENUM_ENT(EM_IAMCU, "EM_IAMCU"),
941 ENUM_ENT(EM_860, "Intel 80860"),
942 ENUM_ENT(EM_MIPS, "MIPS R3000"),
943 ENUM_ENT(EM_S370, "IBM System/370"),
944 ENUM_ENT(EM_MIPS_RS3_LE, "MIPS R3000 little-endian"),
945 ENUM_ENT(EM_PARISC, "HPPA"),
946 ENUM_ENT(EM_VPP500, "Fujitsu VPP500"),
947 ENUM_ENT(EM_SPARC32PLUS, "Sparc v8+"),
948 ENUM_ENT(EM_960, "Intel 80960"),
949 ENUM_ENT(EM_PPC, "PowerPC"),
950 ENUM_ENT(EM_PPC64, "PowerPC64"),
951 ENUM_ENT(EM_S390, "IBM S/390"),
952 ENUM_ENT(EM_SPU, "SPU"),
953 ENUM_ENT(EM_V800, "NEC V800 series"),
954 ENUM_ENT(EM_FR20, "Fujistsu FR20"),
955 ENUM_ENT(EM_RH32, "TRW RH-32"),
956 ENUM_ENT(EM_RCE, "Motorola RCE"),
957 ENUM_ENT(EM_ARM, "ARM"),
958 ENUM_ENT(EM_ALPHA, "EM_ALPHA"),
959 ENUM_ENT(EM_SH, "Hitachi SH"),
960 ENUM_ENT(EM_SPARCV9, "Sparc v9"),
961 ENUM_ENT(EM_TRICORE, "Siemens Tricore"),
962 ENUM_ENT(EM_ARC, "ARC"),
963 ENUM_ENT(EM_H8_300, "Hitachi H8/300"),
964 ENUM_ENT(EM_H8_300H, "Hitachi H8/300H"),
965 ENUM_ENT(EM_H8S, "Hitachi H8S"),
966 ENUM_ENT(EM_H8_500, "Hitachi H8/500"),
967 ENUM_ENT(EM_IA_64, "Intel IA-64"),
968 ENUM_ENT(EM_MIPS_X, "Stanford MIPS-X"),
969 ENUM_ENT(EM_COLDFIRE, "Motorola Coldfire"),
970 ENUM_ENT(EM_68HC12, "Motorola MC68HC12 Microcontroller"),
971 ENUM_ENT(EM_MMA, "Fujitsu Multimedia Accelerator"),
972 ENUM_ENT(EM_PCP, "Siemens PCP"),
973 ENUM_ENT(EM_NCPU, "Sony nCPU embedded RISC processor"),
974 ENUM_ENT(EM_NDR1, "Denso NDR1 microprocesspr"),
975 ENUM_ENT(EM_STARCORE, "Motorola Star*Core processor"),
976 ENUM_ENT(EM_ME16, "Toyota ME16 processor"),
977 ENUM_ENT(EM_ST100, "STMicroelectronics ST100 processor"),
978 ENUM_ENT(EM_TINYJ, "Advanced Logic Corp. TinyJ embedded processor"),
979 ENUM_ENT(EM_X86_64, "Advanced Micro Devices X86-64"),
980 ENUM_ENT(EM_PDSP, "Sony DSP processor"),
981 ENUM_ENT(EM_PDP10, "Digital Equipment Corp. PDP-10"),
982 ENUM_ENT(EM_PDP11, "Digital Equipment Corp. PDP-11"),
983 ENUM_ENT(EM_FX66, "Siemens FX66 microcontroller"),
984 ENUM_ENT(EM_ST9PLUS, "STMicroelectronics ST9+ 8/16 bit microcontroller"),
985 ENUM_ENT(EM_ST7, "STMicroelectronics ST7 8-bit microcontroller"),
986 ENUM_ENT(EM_68HC16, "Motorola MC68HC16 Microcontroller"),
987 ENUM_ENT(EM_68HC11, "Motorola MC68HC11 Microcontroller"),
988 ENUM_ENT(EM_68HC08, "Motorola MC68HC08 Microcontroller"),
989 ENUM_ENT(EM_68HC05, "Motorola MC68HC05 Microcontroller"),
990 ENUM_ENT(EM_SVX, "Silicon Graphics SVx"),
991 ENUM_ENT(EM_ST19, "STMicroelectronics ST19 8-bit microcontroller"),
992 ENUM_ENT(EM_VAX, "Digital VAX"),
993 ENUM_ENT(EM_CRIS, "Axis Communications 32-bit embedded processor"),
994 ENUM_ENT(EM_JAVELIN, "Infineon Technologies 32-bit embedded cpu"),
995 ENUM_ENT(EM_FIREPATH, "Element 14 64-bit DSP processor"),
996 ENUM_ENT(EM_ZSP, "LSI Logic's 16-bit DSP processor"),
997 ENUM_ENT(EM_MMIX, "Donald Knuth's educational 64-bit processor"),
998 ENUM_ENT(EM_HUANY, "Harvard Universitys's machine-independent object format"),
999 ENUM_ENT(EM_PRISM, "Vitesse Prism"),
1000 ENUM_ENT(EM_AVR, "Atmel AVR 8-bit microcontroller"),
1001 ENUM_ENT(EM_FR30, "Fujitsu FR30"),
1002 ENUM_ENT(EM_D10V, "Mitsubishi D10V"),
1003 ENUM_ENT(EM_D30V, "Mitsubishi D30V"),
1004 ENUM_ENT(EM_V850, "NEC v850"),
1005 ENUM_ENT(EM_M32R, "Renesas M32R (formerly Mitsubishi M32r)"),
1006 ENUM_ENT(EM_MN10300, "Matsushita MN10300"),
1007 ENUM_ENT(EM_MN10200, "Matsushita MN10200"),
1008 ENUM_ENT(EM_PJ, "picoJava"),
1009 ENUM_ENT(EM_OPENRISC, "OpenRISC 32-bit embedded processor"),
1010 ENUM_ENT(EM_ARC_COMPACT, "EM_ARC_COMPACT"),
1011 ENUM_ENT(EM_XTENSA, "Tensilica Xtensa Processor"),
1012 ENUM_ENT(EM_VIDEOCORE, "Alphamosaic VideoCore processor"),
1013 ENUM_ENT(EM_TMM_GPP, "Thompson Multimedia General Purpose Processor"),
1014 ENUM_ENT(EM_NS32K, "National Semiconductor 32000 series"),
1015 ENUM_ENT(EM_TPC, "Tenor Network TPC processor"),
1016 ENUM_ENT(EM_SNP1K, "EM_SNP1K"),
1017 ENUM_ENT(EM_ST200, "STMicroelectronics ST200 microcontroller"),
1018 ENUM_ENT(EM_IP2K, "Ubicom IP2xxx 8-bit microcontrollers"),
1019 ENUM_ENT(EM_MAX, "MAX Processor"),
1020 ENUM_ENT(EM_CR, "National Semiconductor CompactRISC"),
1021 ENUM_ENT(EM_F2MC16, "Fujitsu F2MC16"),
1022 ENUM_ENT(EM_MSP430, "Texas Instruments msp430 microcontroller"),
1023 ENUM_ENT(EM_BLACKFIN, "Analog Devices Blackfin"),
1024 ENUM_ENT(EM_SE_C33, "S1C33 Family of Seiko Epson processors"),
1025 ENUM_ENT(EM_SEP, "Sharp embedded microprocessor"),
1026 ENUM_ENT(EM_ARCA, "Arca RISC microprocessor"),
1027 ENUM_ENT(EM_UNICORE, "Unicore"),
1028 ENUM_ENT(EM_EXCESS, "eXcess 16/32/64-bit configurable embedded CPU"),
1029 ENUM_ENT(EM_DXP, "Icera Semiconductor Inc. Deep Execution Processor"),
1030 ENUM_ENT(EM_ALTERA_NIOS2, "Altera Nios"),
1031 ENUM_ENT(EM_CRX, "National Semiconductor CRX microprocessor"),
1032 ENUM_ENT(EM_XGATE, "Motorola XGATE embedded processor"),
1033 ENUM_ENT(EM_C166, "Infineon Technologies xc16x"),
1034 ENUM_ENT(EM_M16C, "Renesas M16C"),
1035 ENUM_ENT(EM_DSPIC30F, "Microchip Technology dsPIC30F Digital Signal Controller"),
1036 ENUM_ENT(EM_CE, "Freescale Communication Engine RISC core"),
1037 ENUM_ENT(EM_M32C, "Renesas M32C"),
1038 ENUM_ENT(EM_TSK3000, "Altium TSK3000 core"),
1039 ENUM_ENT(EM_RS08, "Freescale RS08 embedded processor"),
1040 ENUM_ENT(EM_SHARC, "EM_SHARC"),
1041 ENUM_ENT(EM_ECOG2, "Cyan Technology eCOG2 microprocessor"),
1042 ENUM_ENT(EM_SCORE7, "SUNPLUS S+Core"),
1043 ENUM_ENT(EM_DSP24, "New Japan Radio (NJR) 24-bit DSP Processor"),
1044 ENUM_ENT(EM_VIDEOCORE3, "Broadcom VideoCore III processor"),
1045 ENUM_ENT(EM_LATTICEMICO32, "Lattice Mico32"),
1046 ENUM_ENT(EM_SE_C17, "Seiko Epson C17 family"),
1047 ENUM_ENT(EM_TI_C6000, "Texas Instruments TMS320C6000 DSP family"),
1048 ENUM_ENT(EM_TI_C2000, "Texas Instruments TMS320C2000 DSP family"),
1049 ENUM_ENT(EM_TI_C5500, "Texas Instruments TMS320C55x DSP family"),
1050 ENUM_ENT(EM_MMDSP_PLUS, "STMicroelectronics 64bit VLIW Data Signal Processor"),
1051 ENUM_ENT(EM_CYPRESS_M8C, "Cypress M8C microprocessor"),
1052 ENUM_ENT(EM_R32C, "Renesas R32C series microprocessors"),
1053 ENUM_ENT(EM_TRIMEDIA, "NXP Semiconductors TriMedia architecture family"),
1054 ENUM_ENT(EM_HEXAGON, "Qualcomm Hexagon"),
1055 ENUM_ENT(EM_8051, "Intel 8051 and variants"),
1056 ENUM_ENT(EM_STXP7X, "STMicroelectronics STxP7x family"),
1057 ENUM_ENT(EM_NDS32, "Andes Technology compact code size embedded RISC processor family"),
1058 ENUM_ENT(EM_ECOG1, "Cyan Technology eCOG1 microprocessor"),
1059 ENUM_ENT(EM_ECOG1X, "Cyan Technology eCOG1X family"),
1060 ENUM_ENT(EM_MAXQ30, "Dallas Semiconductor MAXQ30 Core microcontrollers"),
1061 ENUM_ENT(EM_XIMO16, "New Japan Radio (NJR) 16-bit DSP Processor"),
1062 ENUM_ENT(EM_MANIK, "M2000 Reconfigurable RISC Microprocessor"),
1063 ENUM_ENT(EM_CRAYNV2, "Cray Inc. NV2 vector architecture"),
1064 ENUM_ENT(EM_RX, "Renesas RX"),
1065 ENUM_ENT(EM_METAG, "Imagination Technologies Meta processor architecture"),
1066 ENUM_ENT(EM_MCST_ELBRUS, "MCST Elbrus general purpose hardware architecture"),
1067 ENUM_ENT(EM_ECOG16, "Cyan Technology eCOG16 family"),
1068 ENUM_ENT(EM_CR16, "Xilinx MicroBlaze"),
1069 ENUM_ENT(EM_ETPU, "Freescale Extended Time Processing Unit"),
1070 ENUM_ENT(EM_SLE9X, "Infineon Technologies SLE9X core"),
1071 ENUM_ENT(EM_L10M, "EM_L10M"),
1072 ENUM_ENT(EM_K10M, "EM_K10M"),
1073 ENUM_ENT(EM_AARCH64, "AArch64"),
Dylan McKaydffaaa32017-09-27 22:39:37 +00001074 ENUM_ENT(EM_AVR32, "Atmel Corporation 32-bit microprocessor family"),
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00001075 ENUM_ENT(EM_STM8, "STMicroeletronics STM8 8-bit microcontroller"),
1076 ENUM_ENT(EM_TILE64, "Tilera TILE64 multicore architecture family"),
1077 ENUM_ENT(EM_TILEPRO, "Tilera TILEPro multicore architecture family"),
1078 ENUM_ENT(EM_CUDA, "NVIDIA CUDA architecture"),
1079 ENUM_ENT(EM_TILEGX, "Tilera TILE-Gx multicore architecture family"),
1080 ENUM_ENT(EM_CLOUDSHIELD, "EM_CLOUDSHIELD"),
1081 ENUM_ENT(EM_COREA_1ST, "EM_COREA_1ST"),
1082 ENUM_ENT(EM_COREA_2ND, "EM_COREA_2ND"),
1083 ENUM_ENT(EM_ARC_COMPACT2, "EM_ARC_COMPACT2"),
1084 ENUM_ENT(EM_OPEN8, "EM_OPEN8"),
1085 ENUM_ENT(EM_RL78, "Renesas RL78"),
1086 ENUM_ENT(EM_VIDEOCORE5, "Broadcom VideoCore V processor"),
1087 ENUM_ENT(EM_78KOR, "EM_78KOR"),
1088 ENUM_ENT(EM_56800EX, "EM_56800EX"),
1089 ENUM_ENT(EM_AMDGPU, "EM_AMDGPU"),
Alex Bradbury1524f622016-11-01 16:59:37 +00001090 ENUM_ENT(EM_RISCV, "RISC-V"),
Jacques Pienaarea9f25a2016-03-01 21:21:42 +00001091 ENUM_ENT(EM_LANAI, "EM_LANAI"),
Alexei Starovoitovcfb51f52016-07-15 22:27:55 +00001092 ENUM_ENT(EM_BPF, "EM_BPF"),
George Rimar47936762016-01-16 00:49:19 +00001093};
1094
1095static const EnumEntry<unsigned> ElfSymbolBindings[] = {
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00001096 {"Local", "LOCAL", ELF::STB_LOCAL},
1097 {"Global", "GLOBAL", ELF::STB_GLOBAL},
1098 {"Weak", "WEAK", ELF::STB_WEAK},
1099 {"Unique", "UNIQUE", ELF::STB_GNU_UNIQUE}};
George Rimar47936762016-01-16 00:49:19 +00001100
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00001101static const EnumEntry<unsigned> ElfSymbolVisibilities[] = {
1102 {"DEFAULT", "DEFAULT", ELF::STV_DEFAULT},
1103 {"INTERNAL", "INTERNAL", ELF::STV_INTERNAL},
1104 {"HIDDEN", "HIDDEN", ELF::STV_HIDDEN},
1105 {"PROTECTED", "PROTECTED", ELF::STV_PROTECTED}};
1106
Vlad Tsyrklevichc6d54ae2019-02-26 07:04:56 +00001107static const EnumEntry<unsigned> ElfSymbolTypes[] = {
1108 {"None", "NOTYPE", ELF::STT_NOTYPE},
1109 {"Object", "OBJECT", ELF::STT_OBJECT},
1110 {"Function", "FUNC", ELF::STT_FUNC},
1111 {"Section", "SECTION", ELF::STT_SECTION},
1112 {"File", "FILE", ELF::STT_FILE},
1113 {"Common", "COMMON", ELF::STT_COMMON},
1114 {"TLS", "TLS", ELF::STT_TLS},
1115 {"GNU_IFunc", "IFUNC", ELF::STT_GNU_IFUNC}};
1116
George Rimar47936762016-01-16 00:49:19 +00001117static const EnumEntry<unsigned> AMDGPUSymbolTypes[] = {
Konstantin Zhuravlyov5b0bf2ff2017-06-05 21:33:40 +00001118 { "AMDGPU_HSA_KERNEL", ELF::STT_AMDGPU_HSA_KERNEL }
George Rimar47936762016-01-16 00:49:19 +00001119};
1120
Hemant Kulkarniab4a46f2016-01-26 19:46:39 +00001121static const char *getGroupType(uint32_t Flag) {
1122 if (Flag & ELF::GRP_COMDAT)
1123 return "COMDAT";
1124 else
1125 return "(unknown)";
1126}
1127
George Rimar47936762016-01-16 00:49:19 +00001128static const EnumEntry<unsigned> ElfSectionFlags[] = {
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00001129 ENUM_ENT(SHF_WRITE, "W"),
1130 ENUM_ENT(SHF_ALLOC, "A"),
1131 ENUM_ENT(SHF_EXCLUDE, "E"),
1132 ENUM_ENT(SHF_EXECINSTR, "X"),
1133 ENUM_ENT(SHF_MERGE, "M"),
1134 ENUM_ENT(SHF_STRINGS, "S"),
1135 ENUM_ENT(SHF_INFO_LINK, "I"),
1136 ENUM_ENT(SHF_LINK_ORDER, "L"),
1137 ENUM_ENT(SHF_OS_NONCONFORMING, "o"),
1138 ENUM_ENT(SHF_GROUP, "G"),
1139 ENUM_ENT(SHF_TLS, "T"),
Hemant Kulkarni04ac3d72016-05-12 19:58:52 +00001140 ENUM_ENT(SHF_MASKOS, "o"),
1141 ENUM_ENT(SHF_MASKPROC, "p"),
George Rimarc13c59a2016-05-21 10:16:58 +00001142 ENUM_ENT_1(SHF_COMPRESSED),
1143};
1144
1145static const EnumEntry<unsigned> ElfXCoreSectionFlags[] = {
1146 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
1147 LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION)
Simon Atanasyan2d0d8532016-01-20 19:15:18 +00001148};
1149
Prakhar Bahuguna52a7dd72016-12-15 07:59:08 +00001150static const EnumEntry<unsigned> ElfARMSectionFlags[] = {
1151 LLVM_READOBJ_ENUM_ENT(ELF, SHF_ARM_PURECODE)
1152};
1153
Simon Atanasyan2d0d8532016-01-20 19:15:18 +00001154static const EnumEntry<unsigned> ElfHexagonSectionFlags[] = {
1155 LLVM_READOBJ_ENUM_ENT(ELF, SHF_HEX_GPREL)
1156};
1157
1158static const EnumEntry<unsigned> ElfMipsSectionFlags[] = {
1159 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NODUPES),
1160 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NAMES ),
1161 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_LOCAL ),
1162 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP),
1163 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_GPREL ),
1164 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_MERGE ),
1165 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_ADDR ),
1166 LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_STRING )
1167};
1168
1169static const EnumEntry<unsigned> ElfX86_64SectionFlags[] = {
1170 LLVM_READOBJ_ENUM_ENT(ELF, SHF_X86_64_LARGE)
1171};
1172
Hemant Kulkarnic030f232016-03-15 17:25:31 +00001173static std::string getGNUFlags(uint64_t Flags) {
1174 std::string Str;
1175 for (auto Entry : ElfSectionFlags) {
1176 uint64_t Flag = Entry.Value & Flags;
1177 Flags &= ~Entry.Value;
1178 switch (Flag) {
1179 case ELF::SHF_WRITE:
1180 case ELF::SHF_ALLOC:
1181 case ELF::SHF_EXECINSTR:
1182 case ELF::SHF_MERGE:
1183 case ELF::SHF_STRINGS:
1184 case ELF::SHF_INFO_LINK:
1185 case ELF::SHF_LINK_ORDER:
1186 case ELF::SHF_OS_NONCONFORMING:
1187 case ELF::SHF_GROUP:
1188 case ELF::SHF_TLS:
1189 case ELF::SHF_EXCLUDE:
1190 Str += Entry.AltName;
1191 break;
1192 default:
Hemant Kulkarni04ac3d72016-05-12 19:58:52 +00001193 if (Flag & ELF::SHF_MASKOS)
Hemant Kulkarnic030f232016-03-15 17:25:31 +00001194 Str += "o";
Hemant Kulkarni04ac3d72016-05-12 19:58:52 +00001195 else if (Flag & ELF::SHF_MASKPROC)
Hemant Kulkarnic030f232016-03-15 17:25:31 +00001196 Str += "p";
1197 else if (Flag)
1198 Str += "x";
1199 }
1200 }
1201 return Str;
1202}
1203
George Rimar47936762016-01-16 00:49:19 +00001204static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
1205 // Check potentially overlapped processor-specific
1206 // program header type.
1207 switch (Arch) {
George Rimar47936762016-01-16 00:49:19 +00001208 case ELF::EM_ARM:
1209 switch (Type) {
1210 LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
1211 }
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00001212 break;
George Rimar47936762016-01-16 00:49:19 +00001213 case ELF::EM_MIPS:
1214 case ELF::EM_MIPS_RS3_LE:
1215 switch (Type) {
1216 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
1217 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
1218 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
1219 LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
1220 }
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00001221 break;
George Rimar47936762016-01-16 00:49:19 +00001222 }
1223
1224 switch (Type) {
1225 LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
1226 LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
1227 LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
1228 LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
1229 LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
1230 LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
1231 LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
1232 LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
1233
1234 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
1235 LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
1236
1237 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
1238 LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
George Rimarbcfcb9e2016-10-18 10:54:56 +00001239
1240 LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_RANDOMIZE);
1241 LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_WXNEEDED);
George Rimar114d3352016-12-06 17:55:52 +00001242 LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_BOOTDATA);
George Rimarbcfcb9e2016-10-18 10:54:56 +00001243
George Rimar47936762016-01-16 00:49:19 +00001244 default: return "";
1245 }
1246}
1247
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00001248static std::string getElfPtType(unsigned Arch, unsigned Type) {
1249 switch (Type) {
Hemant Kulkarni7d564ba2016-03-28 17:20:23 +00001250 LLVM_READOBJ_PHDR_ENUM(ELF, PT_NULL)
1251 LLVM_READOBJ_PHDR_ENUM(ELF, PT_LOAD)
1252 LLVM_READOBJ_PHDR_ENUM(ELF, PT_DYNAMIC)
1253 LLVM_READOBJ_PHDR_ENUM(ELF, PT_INTERP)
1254 LLVM_READOBJ_PHDR_ENUM(ELF, PT_NOTE)
1255 LLVM_READOBJ_PHDR_ENUM(ELF, PT_SHLIB)
1256 LLVM_READOBJ_PHDR_ENUM(ELF, PT_PHDR)
1257 LLVM_READOBJ_PHDR_ENUM(ELF, PT_TLS)
1258 LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_EH_FRAME)
1259 LLVM_READOBJ_PHDR_ENUM(ELF, PT_SUNW_UNWIND)
1260 LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_STACK)
1261 LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_RELRO)
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00001262 default:
1263 // All machine specific PT_* types
1264 switch (Arch) {
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00001265 case ELF::EM_ARM:
1266 if (Type == ELF::PT_ARM_EXIDX)
1267 return "EXIDX";
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00001268 break;
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00001269 case ELF::EM_MIPS:
1270 case ELF::EM_MIPS_RS3_LE:
1271 switch (Type) {
1272 case PT_MIPS_REGINFO:
1273 return "REGINFO";
1274 case PT_MIPS_RTPROC:
1275 return "RTPROC";
1276 case PT_MIPS_OPTIONS:
1277 return "OPTIONS";
1278 case PT_MIPS_ABIFLAGS:
1279 return "ABIFLAGS";
1280 }
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00001281 break;
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00001282 }
1283 }
1284 return std::string("<unknown>: ") + to_string(format_hex(Type, 1));
1285}
1286
George Rimar47936762016-01-16 00:49:19 +00001287static const EnumEntry<unsigned> ElfSegmentFlags[] = {
1288 LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
1289 LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
1290 LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
1291};
1292
1293static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
Simon Atanasyan19932542018-10-25 05:39:27 +00001294 ENUM_ENT(EF_MIPS_NOREORDER, "noreorder"),
1295 ENUM_ENT(EF_MIPS_PIC, "pic"),
1296 ENUM_ENT(EF_MIPS_CPIC, "cpic"),
1297 ENUM_ENT(EF_MIPS_ABI2, "abi2"),
1298 ENUM_ENT(EF_MIPS_32BITMODE, "32bitmode"),
1299 ENUM_ENT(EF_MIPS_FP64, "fp64"),
1300 ENUM_ENT(EF_MIPS_NAN2008, "nan2008"),
1301 ENUM_ENT(EF_MIPS_ABI_O32, "o32"),
1302 ENUM_ENT(EF_MIPS_ABI_O64, "o64"),
1303 ENUM_ENT(EF_MIPS_ABI_EABI32, "eabi32"),
1304 ENUM_ENT(EF_MIPS_ABI_EABI64, "eabi64"),
1305 ENUM_ENT(EF_MIPS_MACH_3900, "3900"),
1306 ENUM_ENT(EF_MIPS_MACH_4010, "4010"),
1307 ENUM_ENT(EF_MIPS_MACH_4100, "4100"),
1308 ENUM_ENT(EF_MIPS_MACH_4650, "4650"),
1309 ENUM_ENT(EF_MIPS_MACH_4120, "4120"),
1310 ENUM_ENT(EF_MIPS_MACH_4111, "4111"),
1311 ENUM_ENT(EF_MIPS_MACH_SB1, "sb1"),
1312 ENUM_ENT(EF_MIPS_MACH_OCTEON, "octeon"),
1313 ENUM_ENT(EF_MIPS_MACH_XLR, "xlr"),
1314 ENUM_ENT(EF_MIPS_MACH_OCTEON2, "octeon2"),
1315 ENUM_ENT(EF_MIPS_MACH_OCTEON3, "octeon3"),
1316 ENUM_ENT(EF_MIPS_MACH_5400, "5400"),
1317 ENUM_ENT(EF_MIPS_MACH_5900, "5900"),
1318 ENUM_ENT(EF_MIPS_MACH_5500, "5500"),
1319 ENUM_ENT(EF_MIPS_MACH_9000, "9000"),
1320 ENUM_ENT(EF_MIPS_MACH_LS2E, "loongson-2e"),
1321 ENUM_ENT(EF_MIPS_MACH_LS2F, "loongson-2f"),
1322 ENUM_ENT(EF_MIPS_MACH_LS3A, "loongson-3a"),
1323 ENUM_ENT(EF_MIPS_MICROMIPS, "micromips"),
1324 ENUM_ENT(EF_MIPS_ARCH_ASE_M16, "mips16"),
1325 ENUM_ENT(EF_MIPS_ARCH_ASE_MDMX, "mdmx"),
1326 ENUM_ENT(EF_MIPS_ARCH_1, "mips1"),
1327 ENUM_ENT(EF_MIPS_ARCH_2, "mips2"),
1328 ENUM_ENT(EF_MIPS_ARCH_3, "mips3"),
1329 ENUM_ENT(EF_MIPS_ARCH_4, "mips4"),
1330 ENUM_ENT(EF_MIPS_ARCH_5, "mips5"),
1331 ENUM_ENT(EF_MIPS_ARCH_32, "mips32"),
1332 ENUM_ENT(EF_MIPS_ARCH_64, "mips64"),
1333 ENUM_ENT(EF_MIPS_ARCH_32R2, "mips32r2"),
1334 ENUM_ENT(EF_MIPS_ARCH_64R2, "mips64r2"),
1335 ENUM_ENT(EF_MIPS_ARCH_32R6, "mips32r6"),
1336 ENUM_ENT(EF_MIPS_ARCH_64R6, "mips64r6")
George Rimar47936762016-01-16 00:49:19 +00001337};
1338
Konstantin Zhuravlyovaa0835a2017-10-05 16:19:18 +00001339static const EnumEntry<unsigned> ElfHeaderAMDGPUFlags[] = {
Konstantin Zhuravlyov9122a632018-02-16 22:33:59 +00001340 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_NONE),
1341 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R600),
1342 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R630),
1343 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RS880),
1344 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV670),
1345 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV710),
1346 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV730),
1347 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV770),
1348 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CEDAR),
1349 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CYPRESS),
1350 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_JUNIPER),
1351 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_REDWOOD),
1352 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_SUMO),
1353 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_BARTS),
1354 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAICOS),
1355 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAYMAN),
1356 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_TURKS),
1357 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX600),
1358 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX601),
1359 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX700),
1360 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX701),
1361 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX702),
1362 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX703),
1363 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX704),
1364 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX801),
1365 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX802),
1366 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX803),
1367 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX810),
1368 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX900),
1369 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX902),
Matt Arsenault0084adc2018-04-30 19:08:16 +00001370 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX904),
1371 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX906),
Tim Renouf2a1b1d92018-10-24 08:14:07 +00001372 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX909),
Konstantin Zhuravlyov108927b2018-11-05 22:44:19 +00001373 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_XNACK),
1374 LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_SRAM_ECC)
Konstantin Zhuravlyovaa0835a2017-10-05 16:19:18 +00001375};
1376
Alex Bradburybb89b2b2017-10-03 08:41:59 +00001377static const EnumEntry<unsigned> ElfHeaderRISCVFlags[] = {
Simon Atanasyan19932542018-10-25 05:39:27 +00001378 ENUM_ENT(EF_RISCV_RVC, "RVC"),
1379 ENUM_ENT(EF_RISCV_FLOAT_ABI_SINGLE, "single-float ABI"),
1380 ENUM_ENT(EF_RISCV_FLOAT_ABI_DOUBLE, "double-float ABI"),
1381 ENUM_ENT(EF_RISCV_FLOAT_ABI_QUAD, "quad-float ABI"),
1382 ENUM_ENT(EF_RISCV_RVE, "RVE")
Alex Bradburybb89b2b2017-10-03 08:41:59 +00001383};
1384
Simon Atanasyanb7807a02016-03-24 16:10:37 +00001385static const EnumEntry<unsigned> ElfSymOtherFlags[] = {
1386 LLVM_READOBJ_ENUM_ENT(ELF, STV_INTERNAL),
1387 LLVM_READOBJ_ENUM_ENT(ELF, STV_HIDDEN),
1388 LLVM_READOBJ_ENUM_ENT(ELF, STV_PROTECTED)
1389};
1390
1391static const EnumEntry<unsigned> ElfMipsSymOtherFlags[] = {
1392 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL),
1393 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT),
1394 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PIC),
1395 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MICROMIPS)
1396};
1397
1398static const EnumEntry<unsigned> ElfMips16SymOtherFlags[] = {
1399 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL),
1400 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT),
1401 LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MIPS16)
1402};
1403
Simon Atanasyan8a71b532016-05-04 05:58:57 +00001404static const char *getElfMipsOptionsOdkType(unsigned Odk) {
1405 switch (Odk) {
1406 LLVM_READOBJ_ENUM_CASE(ELF, ODK_NULL);
1407 LLVM_READOBJ_ENUM_CASE(ELF, ODK_REGINFO);
1408 LLVM_READOBJ_ENUM_CASE(ELF, ODK_EXCEPTIONS);
1409 LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAD);
1410 LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWPATCH);
1411 LLVM_READOBJ_ENUM_CASE(ELF, ODK_FILL);
1412 LLVM_READOBJ_ENUM_CASE(ELF, ODK_TAGS);
1413 LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWAND);
1414 LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWOR);
1415 LLVM_READOBJ_ENUM_CASE(ELF, ODK_GP_GROUP);
1416 LLVM_READOBJ_ENUM_CASE(ELF, ODK_IDENT);
1417 LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAGESIZE);
1418 default:
1419 return "Unknown";
1420 }
1421}
1422
George Rimar47936762016-01-16 00:49:19 +00001423template <typename ELFT>
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001424ELFDumper<ELFT>::ELFDumper(const object::ELFObjectFile<ELFT> *ObjF,
1425 ScopedPrinter &Writer)
1426 : ObjDumper(Writer), ObjF(ObjF) {
George Rimar47936762016-01-16 00:49:19 +00001427 SmallVector<const Elf_Phdr *, 4> LoadSegments;
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001428 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
Rafael Espindola6a494972016-11-03 17:28:33 +00001429 for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
George Rimar47936762016-01-16 00:49:19 +00001430 if (Phdr.p_type == ELF::PT_DYNAMIC) {
Rafael Espindolae17c3f32016-02-17 16:48:00 +00001431 DynamicTable = createDRIFrom(&Phdr, sizeof(Elf_Dyn));
George Rimar47936762016-01-16 00:49:19 +00001432 continue;
1433 }
1434 if (Phdr.p_type != ELF::PT_LOAD || Phdr.p_filesz == 0)
1435 continue;
1436 LoadSegments.push_back(&Phdr);
1437 }
1438
Rafael Espindola25be8c82016-11-02 14:10:57 +00001439 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
Michael J. Spencer37304f12016-02-11 04:59:26 +00001440 switch (Sec.sh_type) {
Michael J. Spencer94f060c2016-02-11 04:59:32 +00001441 case ELF::SHT_SYMTAB:
1442 if (DotSymtabSec != nullptr)
Saleem Abdulrasool46ee7332017-09-29 02:45:44 +00001443 reportError("Multiple SHT_SYMTAB");
Michael J. Spencer94f060c2016-02-11 04:59:32 +00001444 DotSymtabSec = &Sec;
1445 break;
1446 case ELF::SHT_DYNSYM:
Rafael Espindolace2fbdd2016-02-17 15:38:21 +00001447 if (DynSymRegion.Size)
Saleem Abdulrasool46ee7332017-09-29 02:45:44 +00001448 reportError("Multiple SHT_DYNSYM");
Rafael Espindolace2fbdd2016-02-17 15:38:21 +00001449 DynSymRegion = createDRIFrom(&Sec);
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00001450 // This is only used (if Elf_Shdr present)for naming section in GNU style
1451 DynSymtabName = unwrapOrError(Obj->getSectionName(&Sec));
Dave Lee67b49662017-11-16 18:10:15 +00001452 DynamicStringTable = unwrapOrError(Obj->getStringTableForSymtab(Sec));
Michael J. Spencer94f060c2016-02-11 04:59:32 +00001453 break;
Michael J. Spencer1c793ef2016-02-17 22:30:41 +00001454 case ELF::SHT_SYMTAB_SHNDX:
Rafael Espindolaf04f1842016-02-17 16:21:49 +00001455 ShndxTable = unwrapOrError(Obj->getSHNDXTable(Sec));
Michael J. Spencer94f060c2016-02-11 04:59:32 +00001456 break;
Michael J. Spencer37304f12016-02-11 04:59:26 +00001457 case ELF::SHT_GNU_versym:
1458 if (dot_gnu_version_sec != nullptr)
1459 reportError("Multiple SHT_GNU_versym");
1460 dot_gnu_version_sec = &Sec;
1461 break;
1462 case ELF::SHT_GNU_verdef:
1463 if (dot_gnu_version_d_sec != nullptr)
1464 reportError("Multiple SHT_GNU_verdef");
1465 dot_gnu_version_d_sec = &Sec;
1466 break;
1467 case ELF::SHT_GNU_verneed:
1468 if (dot_gnu_version_r_sec != nullptr)
Saleem Abdulrasool46ee7332017-09-29 02:45:44 +00001469 reportError("Multiple SHT_GNU_verneed");
Michael J. Spencer37304f12016-02-11 04:59:26 +00001470 dot_gnu_version_r_sec = &Sec;
1471 break;
Michael J. Spencerae6eeae2018-06-02 16:33:01 +00001472 case ELF::SHT_LLVM_CALL_GRAPH_PROFILE:
1473 if (DotCGProfileSec != nullptr)
Fangrui Song49c9ba12018-10-12 22:57:57 +00001474 reportError("Multiple .llvm.call-graph-profile");
Michael J. Spencerae6eeae2018-06-02 16:33:01 +00001475 DotCGProfileSec = &Sec;
Peter Collingbourne3e227332018-07-17 22:17:18 +00001476 break;
1477 case ELF::SHT_LLVM_ADDRSIG:
1478 if (DotAddrsigSec != nullptr)
1479 reportError("Multiple .llvm_addrsig");
1480 DotAddrsigSec = &Sec;
1481 break;
Michael J. Spencer37304f12016-02-11 04:59:26 +00001482 }
1483 }
1484
Michael J. Spencer60d82b22016-02-11 04:59:37 +00001485 parseDynamicTable(LoadSegments);
1486
1487 if (opts::Output == opts::GNU)
Hemant Kulkarnic030f232016-03-15 17:25:31 +00001488 ELFDumperStyle.reset(new GNUStyle<ELFT>(Writer, this));
Michael J. Spencer60d82b22016-02-11 04:59:37 +00001489 else
Hemant Kulkarnic030f232016-03-15 17:25:31 +00001490 ELFDumperStyle.reset(new LLVMStyle<ELFT>(Writer, this));
Michael J. Spencer60d82b22016-02-11 04:59:37 +00001491}
1492
1493template <typename ELFT>
1494void ELFDumper<ELFT>::parseDynamicTable(
1495 ArrayRef<const Elf_Phdr *> LoadSegments) {
George Rimar47936762016-01-16 00:49:19 +00001496 auto toMappedAddr = [&](uint64_t VAddr) -> const uint8_t * {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001497 auto MappedAddrOrError = ObjF->getELFFile()->toMappedAddr(VAddr);
Xing GUOfe5a6c32018-12-08 05:32:28 +00001498 if (!MappedAddrOrError)
1499 report_fatal_error(MappedAddrOrError.takeError());
1500 return MappedAddrOrError.get();
George Rimar47936762016-01-16 00:49:19 +00001501 };
1502
1503 uint64_t SONameOffset = 0;
1504 const char *StringTableBegin = nullptr;
1505 uint64_t StringTableSize = 0;
1506 for (const Elf_Dyn &Dyn : dynamic_table()) {
1507 switch (Dyn.d_tag) {
1508 case ELF::DT_HASH:
1509 HashTable =
1510 reinterpret_cast<const Elf_Hash *>(toMappedAddr(Dyn.getPtr()));
1511 break;
1512 case ELF::DT_GNU_HASH:
1513 GnuHashTable =
1514 reinterpret_cast<const Elf_GnuHash *>(toMappedAddr(Dyn.getPtr()));
1515 break;
Michael J. Spencer94f060c2016-02-11 04:59:32 +00001516 case ELF::DT_STRTAB:
1517 StringTableBegin = (const char *)toMappedAddr(Dyn.getPtr());
Simon Atanasyan72155c32016-01-16 22:40:09 +00001518 break;
Michael J. Spencer94f060c2016-02-11 04:59:32 +00001519 case ELF::DT_STRSZ:
1520 StringTableSize = Dyn.getVal();
Simon Atanasyan72155c32016-01-16 22:40:09 +00001521 break;
Michael J. Spencer94f060c2016-02-11 04:59:32 +00001522 case ELF::DT_SYMTAB:
Rafael Espindolace2fbdd2016-02-17 15:38:21 +00001523 DynSymRegion.Addr = toMappedAddr(Dyn.getPtr());
1524 DynSymRegion.EntSize = sizeof(Elf_Sym);
Simon Atanasyan72155c32016-01-16 22:40:09 +00001525 break;
George Rimar47936762016-01-16 00:49:19 +00001526 case ELF::DT_RELA:
1527 DynRelaRegion.Addr = toMappedAddr(Dyn.getPtr());
1528 break;
1529 case ELF::DT_RELASZ:
1530 DynRelaRegion.Size = Dyn.getVal();
1531 break;
1532 case ELF::DT_RELAENT:
1533 DynRelaRegion.EntSize = Dyn.getVal();
1534 break;
1535 case ELF::DT_SONAME:
1536 SONameOffset = Dyn.getVal();
1537 break;
Michael J. Spencer94f060c2016-02-11 04:59:32 +00001538 case ELF::DT_REL:
1539 DynRelRegion.Addr = toMappedAddr(Dyn.getPtr());
George Rimar47936762016-01-16 00:49:19 +00001540 break;
Michael J. Spencer94f060c2016-02-11 04:59:32 +00001541 case ELF::DT_RELSZ:
1542 DynRelRegion.Size = Dyn.getVal();
George Rimar47936762016-01-16 00:49:19 +00001543 break;
Michael J. Spencer94f060c2016-02-11 04:59:32 +00001544 case ELF::DT_RELENT:
1545 DynRelRegion.EntSize = Dyn.getVal();
George Rimar47936762016-01-16 00:49:19 +00001546 break;
Jake Ehrlich0f440d82018-06-28 21:07:34 +00001547 case ELF::DT_RELR:
1548 case ELF::DT_ANDROID_RELR:
1549 DynRelrRegion.Addr = toMappedAddr(Dyn.getPtr());
1550 break;
1551 case ELF::DT_RELRSZ:
1552 case ELF::DT_ANDROID_RELRSZ:
1553 DynRelrRegion.Size = Dyn.getVal();
1554 break;
1555 case ELF::DT_RELRENT:
1556 case ELF::DT_ANDROID_RELRENT:
1557 DynRelrRegion.EntSize = Dyn.getVal();
1558 break;
Rafael Espindola944f6552016-02-16 15:16:00 +00001559 case ELF::DT_PLTREL:
1560 if (Dyn.getVal() == DT_REL)
1561 DynPLTRelRegion.EntSize = sizeof(Elf_Rel);
1562 else if (Dyn.getVal() == DT_RELA)
1563 DynPLTRelRegion.EntSize = sizeof(Elf_Rela);
1564 else
1565 reportError(Twine("unknown DT_PLTREL value of ") +
1566 Twine((uint64_t)Dyn.getVal()));
1567 break;
1568 case ELF::DT_JMPREL:
1569 DynPLTRelRegion.Addr = toMappedAddr(Dyn.getPtr());
1570 break;
1571 case ELF::DT_PLTRELSZ:
1572 DynPLTRelRegion.Size = Dyn.getVal();
1573 break;
George Rimar47936762016-01-16 00:49:19 +00001574 }
1575 }
1576 if (StringTableBegin)
1577 DynamicStringTable = StringRef(StringTableBegin, StringTableSize);
1578 if (SONameOffset)
1579 SOName = getDynamicString(SONameOffset);
Rafael Espindola6009db62016-02-16 14:17:48 +00001580}
George Rimar47936762016-01-16 00:49:19 +00001581
Rafael Espindola6009db62016-02-16 14:17:48 +00001582template <typename ELFT>
Simon Atanasyan72155c32016-01-16 22:40:09 +00001583typename ELFDumper<ELFT>::Elf_Rel_Range ELFDumper<ELFT>::dyn_rels() const {
Rafael Espindolaaafcf752016-04-05 14:47:22 +00001584 return DynRelRegion.getAsArrayRef<Elf_Rel>();
George Rimar47936762016-01-16 00:49:19 +00001585}
1586
1587template <typename ELFT>
1588typename ELFDumper<ELFT>::Elf_Rela_Range ELFDumper<ELFT>::dyn_relas() const {
Rafael Espindolaaafcf752016-04-05 14:47:22 +00001589 return DynRelaRegion.getAsArrayRef<Elf_Rela>();
George Rimar47936762016-01-16 00:49:19 +00001590}
1591
Jake Ehrlich0f440d82018-06-28 21:07:34 +00001592template <typename ELFT>
1593typename ELFDumper<ELFT>::Elf_Relr_Range ELFDumper<ELFT>::dyn_relrs() const {
1594 return DynRelrRegion.getAsArrayRef<Elf_Relr>();
1595}
1596
George Rimar47936762016-01-16 00:49:19 +00001597template<class ELFT>
1598void ELFDumper<ELFT>::printFileHeaders() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001599 ELFDumperStyle->printFileHeaders(ObjF->getELFFile());
George Rimar47936762016-01-16 00:49:19 +00001600}
1601
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001602template<class ELFT>
1603void ELFDumper<ELFT>::printSectionHeaders() {
1604 ELFDumperStyle->printSectionHeaders(ObjF->getELFFile());
George Rimar47936762016-01-16 00:49:19 +00001605}
1606
1607template<class ELFT>
1608void ELFDumper<ELFT>::printRelocations() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001609 ELFDumperStyle->printRelocations(ObjF->getELFFile());
George Rimar47936762016-01-16 00:49:19 +00001610}
1611
Matt Davis50ca8ed2019-02-01 18:51:10 +00001612template <class ELFT>
1613void ELFDumper<ELFT>::printProgramHeaders(
1614 bool PrintProgramHeaders, cl::boolOrDefault PrintSectionMapping) {
1615 ELFDumperStyle->printProgramHeaders(ObjF->getELFFile(), PrintProgramHeaders,
1616 PrintSectionMapping);
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00001617}
1618
Simon Atanasyan72155c32016-01-16 22:40:09 +00001619template <class ELFT> void ELFDumper<ELFT>::printDynamicRelocations() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001620 ELFDumperStyle->printDynamicRelocations(ObjF->getELFFile());
George Rimar47936762016-01-16 00:49:19 +00001621}
1622
James Henderson21ed8682019-01-23 16:15:39 +00001623template <class ELFT>
1624void ELFDumper<ELFT>::printSymbols(bool PrintSymbols,
1625 bool PrintDynamicSymbols) {
1626 ELFDumperStyle->printSymbols(ObjF->getELFFile(), PrintSymbols,
1627 PrintDynamicSymbols);
George Rimar47936762016-01-16 00:49:19 +00001628}
1629
James Henderson5fc812f2019-01-22 09:35:35 +00001630template<class ELFT>
1631void ELFDumper<ELFT>::printHashSymbols() {
1632 ELFDumperStyle->printHashSymbols(ObjF->getELFFile());
1633}
1634
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +00001635template <class ELFT> void ELFDumper<ELFT>::printHashHistogram() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001636 ELFDumperStyle->printHashHistogram(ObjF->getELFFile());
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +00001637}
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00001638
Michael J. Spencerae6eeae2018-06-02 16:33:01 +00001639template <class ELFT> void ELFDumper<ELFT>::printCGProfile() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001640 ELFDumperStyle->printCGProfile(ObjF->getELFFile());
Michael J. Spencerae6eeae2018-06-02 16:33:01 +00001641}
1642
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00001643template <class ELFT> void ELFDumper<ELFT>::printNotes() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001644 ELFDumperStyle->printNotes(ObjF->getELFFile());
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00001645}
1646
Saleem Abdulrasoolb36fbbc2018-01-30 16:29:29 +00001647template <class ELFT> void ELFDumper<ELFT>::printELFLinkerOptions() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001648 ELFDumperStyle->printELFLinkerOptions(ObjF->getELFFile());
Saleem Abdulrasoolb36fbbc2018-01-30 16:29:29 +00001649}
1650
Hemant Kulkarnie60b2942016-12-27 19:59:29 +00001651static const char *getTypeString(unsigned Arch, uint64_t Type) {
Alexander Richardson3056a842018-03-21 14:17:50 +00001652#define DYNAMIC_TAG(n, v)
Hemant Kulkarnie60b2942016-12-27 19:59:29 +00001653 switch (Arch) {
1654 case EM_HEXAGON:
1655 switch (Type) {
Alexander Richardson3056a842018-03-21 14:17:50 +00001656#define HEXAGON_DYNAMIC_TAG(name, value) \
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00001657 case DT_##name: \
1658 return #name;
Alexander Richardson3056a842018-03-21 14:17:50 +00001659#include "llvm/BinaryFormat/DynamicTags.def"
1660#undef HEXAGON_DYNAMIC_TAG
Hemant Kulkarnie60b2942016-12-27 19:59:29 +00001661 }
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00001662 break;
Sean Fertileeaa16072018-04-13 16:42:48 +00001663
Hemant Kulkarnie60b2942016-12-27 19:59:29 +00001664 case EM_MIPS:
1665 switch (Type) {
Alexander Richardson3056a842018-03-21 14:17:50 +00001666#define MIPS_DYNAMIC_TAG(name, value) \
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00001667 case DT_##name: \
1668 return #name;
Alexander Richardson3056a842018-03-21 14:17:50 +00001669#include "llvm/BinaryFormat/DynamicTags.def"
1670#undef MIPS_DYNAMIC_TAG
Hemant Kulkarnie60b2942016-12-27 19:59:29 +00001671 }
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00001672 break;
Sean Fertileeaa16072018-04-13 16:42:48 +00001673
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00001674 case EM_PPC64:
1675 switch(Type) {
Sean Fertileeaa16072018-04-13 16:42:48 +00001676#define PPC64_DYNAMIC_TAG(name, value) \
1677 case DT_##name: \
1678 return #name;
1679#include "llvm/BinaryFormat/DynamicTags.def"
1680#undef PPC64_DYNAMIC_TAG
1681 }
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00001682 break;
Hemant Kulkarnie60b2942016-12-27 19:59:29 +00001683 }
Alexander Richardson3056a842018-03-21 14:17:50 +00001684#undef DYNAMIC_TAG
George Rimar47936762016-01-16 00:49:19 +00001685 switch (Type) {
Alexander Richardson3056a842018-03-21 14:17:50 +00001686// Now handle all dynamic tags except the architecture specific ones
1687#define MIPS_DYNAMIC_TAG(name, value)
1688#define HEXAGON_DYNAMIC_TAG(name, value)
Sean Fertileeaa16072018-04-13 16:42:48 +00001689#define PPC64_DYNAMIC_TAG(name, value)
Alexander Richardson3056a842018-03-21 14:17:50 +00001690// Also ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc.
1691#define DYNAMIC_TAG_MARKER(name, value)
1692#define DYNAMIC_TAG(name, value) \
1693 case DT_##name: \
1694 return #name;
1695#include "llvm/BinaryFormat/DynamicTags.def"
1696#undef DYNAMIC_TAG
1697#undef MIPS_DYNAMIC_TAG
1698#undef HEXAGON_DYNAMIC_TAG
Sean Fertileeaa16072018-04-13 16:42:48 +00001699#undef PPC64_DYNAMIC_TAG
Alexander Richardson3056a842018-03-21 14:17:50 +00001700#undef DYNAMIC_TAG_MARKER
George Rimar47936762016-01-16 00:49:19 +00001701 default: return "unknown";
1702 }
1703}
1704
George Rimar47936762016-01-16 00:49:19 +00001705#define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
1706 { #enum, prefix##_##enum }
1707
1708static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
1709 LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
1710 LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
1711 LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
1712 LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
1713 LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
1714};
1715
1716static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
1717 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
1718 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
1719 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
1720 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
1721 LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
1722 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
1723 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
1724 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
1725 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
1726 LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
1727 LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
1728 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
1729 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
1730 LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
1731 LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
1732 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
Fangrui Song73f16992019-02-27 05:37:11 +00001733 LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELPND),
George Rimar47936762016-01-16 00:49:19 +00001734 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
1735 LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
1736 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
1737 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
1738 LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
1739 LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
1740 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
1741 LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
1742 LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
1743};
1744
1745static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
1746 LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
1747 LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
1748 LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
1749 LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
1750 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
1751 LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
1752 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
1753 LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
1754 LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
1755 LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
1756 LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
1757 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
1758 LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
1759 LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
1760 LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
1761 LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
1762};
1763
1764#undef LLVM_READOBJ_DT_FLAG_ENT
1765
1766template <typename T, typename TFlag>
1767void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
Eugene Zelenko416e0592017-06-09 21:41:54 +00001768 using FlagEntry = EnumEntry<TFlag>;
1769 using FlagVector = SmallVector<FlagEntry, 10>;
George Rimar47936762016-01-16 00:49:19 +00001770 FlagVector SetFlags;
1771
1772 for (const auto &Flag : Flags) {
1773 if (Flag.Value == 0)
1774 continue;
1775
1776 if ((Value & Flag.Value) == Flag.Value)
1777 SetFlags.push_back(Flag);
1778 }
1779
1780 for (const auto &Flag : SetFlags) {
1781 OS << Flag.Name << " ";
1782 }
1783}
1784
1785template <class ELFT>
1786StringRef ELFDumper<ELFT>::getDynamicString(uint64_t Value) const {
1787 if (Value >= DynamicStringTable.size())
1788 reportError("Invalid dynamic string table reference");
1789 return StringRef(DynamicStringTable.data() + Value);
1790}
1791
George Rimarefd3ffb2017-07-14 16:00:16 +00001792static void printLibrary(raw_ostream &OS, const Twine &Tag, const Twine &Name) {
1793 OS << Tag << ": [" << Name << "]";
1794}
1795
George Rimar47936762016-01-16 00:49:19 +00001796template <class ELFT>
1797void ELFDumper<ELFT>::printValue(uint64_t Type, uint64_t Value) {
1798 raw_ostream &OS = W.getOStream();
Hemant Kulkarnicb21f3c2016-05-12 22:16:53 +00001799 const char* ConvChar = (opts::Output == opts::GNU) ? "0x%" PRIx64 : "0x%" PRIX64;
George Rimar47936762016-01-16 00:49:19 +00001800 switch (Type) {
1801 case DT_PLTREL:
1802 if (Value == DT_REL) {
1803 OS << "REL";
1804 break;
1805 } else if (Value == DT_RELA) {
1806 OS << "RELA";
1807 break;
1808 }
Justin Bognerb03fd122016-08-17 05:10:15 +00001809 LLVM_FALLTHROUGH;
George Rimar47936762016-01-16 00:49:19 +00001810 case DT_PLTGOT:
1811 case DT_HASH:
1812 case DT_STRTAB:
1813 case DT_SYMTAB:
1814 case DT_RELA:
1815 case DT_INIT:
1816 case DT_FINI:
1817 case DT_REL:
1818 case DT_JMPREL:
1819 case DT_INIT_ARRAY:
1820 case DT_FINI_ARRAY:
1821 case DT_PREINIT_ARRAY:
1822 case DT_DEBUG:
1823 case DT_VERDEF:
1824 case DT_VERNEED:
1825 case DT_VERSYM:
1826 case DT_GNU_HASH:
1827 case DT_NULL:
1828 case DT_MIPS_BASE_ADDRESS:
1829 case DT_MIPS_GOTSYM:
1830 case DT_MIPS_RLD_MAP:
1831 case DT_MIPS_RLD_MAP_REL:
1832 case DT_MIPS_PLTGOT:
1833 case DT_MIPS_OPTIONS:
Hemant Kulkarnicb21f3c2016-05-12 22:16:53 +00001834 OS << format(ConvChar, Value);
George Rimar47936762016-01-16 00:49:19 +00001835 break;
Davide Italiano8c503672016-01-16 06:06:36 +00001836 case DT_RELACOUNT:
George Rimar47936762016-01-16 00:49:19 +00001837 case DT_RELCOUNT:
1838 case DT_VERDEFNUM:
1839 case DT_VERNEEDNUM:
1840 case DT_MIPS_RLD_VERSION:
1841 case DT_MIPS_LOCAL_GOTNO:
1842 case DT_MIPS_SYMTABNO:
1843 case DT_MIPS_UNREFEXTNO:
1844 OS << Value;
1845 break;
1846 case DT_PLTRELSZ:
1847 case DT_RELASZ:
1848 case DT_RELAENT:
1849 case DT_STRSZ:
1850 case DT_SYMENT:
1851 case DT_RELSZ:
1852 case DT_RELENT:
1853 case DT_INIT_ARRAYSZ:
1854 case DT_FINI_ARRAYSZ:
1855 case DT_PREINIT_ARRAYSZ:
Peter Collingbourne5c54f152017-10-27 17:49:40 +00001856 case DT_ANDROID_RELSZ:
1857 case DT_ANDROID_RELASZ:
George Rimar47936762016-01-16 00:49:19 +00001858 OS << Value << " (bytes)";
1859 break;
1860 case DT_NEEDED:
George Rimarefd3ffb2017-07-14 16:00:16 +00001861 printLibrary(OS, "Shared library", getDynamicString(Value));
George Rimar47936762016-01-16 00:49:19 +00001862 break;
1863 case DT_SONAME:
George Rimarefd3ffb2017-07-14 16:00:16 +00001864 printLibrary(OS, "Library soname", getDynamicString(Value));
George Rimar47936762016-01-16 00:49:19 +00001865 break;
George Rimard8a4eca2016-09-02 07:35:19 +00001866 case DT_AUXILIARY:
George Rimarefd3ffb2017-07-14 16:00:16 +00001867 printLibrary(OS, "Auxiliary library", getDynamicString(Value));
1868 break;
1869 case DT_FILTER:
1870 printLibrary(OS, "Filter library", getDynamicString(Value));
George Rimard8a4eca2016-09-02 07:35:19 +00001871 break;
George Rimar47936762016-01-16 00:49:19 +00001872 case DT_RPATH:
1873 case DT_RUNPATH:
1874 OS << getDynamicString(Value);
1875 break;
1876 case DT_MIPS_FLAGS:
1877 printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
1878 break;
1879 case DT_FLAGS:
1880 printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
1881 break;
1882 case DT_FLAGS_1:
1883 printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
1884 break;
1885 default:
Hemant Kulkarnicb21f3c2016-05-12 22:16:53 +00001886 OS << format(ConvChar, Value);
George Rimar47936762016-01-16 00:49:19 +00001887 break;
1888 }
1889}
1890
1891template<class ELFT>
1892void ELFDumper<ELFT>::printUnwindInfo() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001893 const unsigned Machine = ObjF->getELFFile()->getHeader()->e_machine;
Rafael Auler86fb7bf2018-03-08 00:46:53 +00001894 if (Machine == EM_386 || Machine == EM_X86_64) {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001895 DwarfCFIEH::PrinterContext<ELFT> Ctx(W, ObjF);
Rafael Auler86fb7bf2018-03-08 00:46:53 +00001896 return Ctx.printUnwindInformation();
1897 }
George Rimar47936762016-01-16 00:49:19 +00001898 W.startLine() << "UnwindInfo not implemented.\n";
1899}
1900
1901namespace {
Eugene Zelenko416e0592017-06-09 21:41:54 +00001902
Rui Ueyama1b31eb92018-01-12 01:40:32 +00001903template <> void ELFDumper<ELF32LE>::printUnwindInfo() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001904 const ELFFile<ELF32LE> *Obj = ObjF->getELFFile();
George Rimar47936762016-01-16 00:49:19 +00001905 const unsigned Machine = Obj->getHeader()->e_machine;
1906 if (Machine == EM_ARM) {
Rui Ueyama1b31eb92018-01-12 01:40:32 +00001907 ARM::EHABI::PrinterContext<ELF32LE> Ctx(W, Obj, DotSymtabSec);
George Rimar47936762016-01-16 00:49:19 +00001908 return Ctx.PrintUnwindInformation();
1909 }
1910 W.startLine() << "UnwindInfo not implemented.\n";
1911}
Eugene Zelenko416e0592017-06-09 21:41:54 +00001912
1913} // end anonymous namespace
George Rimar47936762016-01-16 00:49:19 +00001914
1915template<class ELFT>
1916void ELFDumper<ELFT>::printDynamicTable() {
Rafael Espindolae17c3f32016-02-17 16:48:00 +00001917 auto I = dynamic_table().begin();
1918 auto E = dynamic_table().end();
George Rimar47936762016-01-16 00:49:19 +00001919
1920 if (I == E)
1921 return;
1922
1923 --E;
1924 while (I != E && E->getTag() == ELF::DT_NULL)
1925 --E;
1926 if (E->getTag() != ELF::DT_NULL)
1927 ++E;
1928 ++E;
1929
1930 ptrdiff_t Total = std::distance(I, E);
1931 if (Total == 0)
1932 return;
1933
1934 raw_ostream &OS = W.getOStream();
1935 W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
1936
1937 bool Is64 = ELFT::Is64Bits;
1938
1939 W.startLine()
1940 << " Tag" << (Is64 ? " " : " ") << "Type"
1941 << " " << "Name/Value\n";
1942 while (I != E) {
1943 const Elf_Dyn &Entry = *I;
1944 uintX_t Tag = Entry.getTag();
1945 ++I;
Hemant Kulkarnicb21f3c2016-05-12 22:16:53 +00001946 W.startLine() << " " << format_hex(Tag, Is64 ? 18 : 10, opts::Output != opts::GNU) << " "
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00001947 << format("%-21s", getTypeString(ObjF->getELFFile()->getHeader()->e_machine, Tag));
George Rimar47936762016-01-16 00:49:19 +00001948 printValue(Tag, Entry.getVal());
1949 OS << "\n";
1950 }
1951
1952 W.startLine() << "]\n";
1953}
1954
1955template<class ELFT>
1956void ELFDumper<ELFT>::printNeededLibraries() {
1957 ListScope D(W, "NeededLibraries");
1958
Eugene Zelenko416e0592017-06-09 21:41:54 +00001959 using LibsTy = std::vector<StringRef>;
George Rimar47936762016-01-16 00:49:19 +00001960 LibsTy Libs;
1961
1962 for (const auto &Entry : dynamic_table())
1963 if (Entry.d_tag == ELF::DT_NEEDED)
1964 Libs.push_back(getDynamicString(Entry.d_un.d_val));
1965
1966 std::stable_sort(Libs.begin(), Libs.end());
1967
Sam Clegg88e9a152018-01-10 00:14:19 +00001968 for (const auto &L : Libs)
1969 W.startLine() << L << "\n";
George Rimar47936762016-01-16 00:49:19 +00001970}
1971
George Rimar47936762016-01-16 00:49:19 +00001972
1973template <typename ELFT>
1974void ELFDumper<ELFT>::printHashTable() {
1975 DictScope D(W, "HashTable");
1976 if (!HashTable)
1977 return;
1978 W.printNumber("Num Buckets", HashTable->nbucket);
1979 W.printNumber("Num Chains", HashTable->nchain);
1980 W.printList("Buckets", HashTable->buckets());
1981 W.printList("Chains", HashTable->chains());
1982}
1983
1984template <typename ELFT>
1985void ELFDumper<ELFT>::printGnuHashTable() {
1986 DictScope D(W, "GnuHashTable");
1987 if (!GnuHashTable)
1988 return;
1989 W.printNumber("Num Buckets", GnuHashTable->nbuckets);
1990 W.printNumber("First Hashed Symbol Index", GnuHashTable->symndx);
1991 W.printNumber("Num Mask Words", GnuHashTable->maskwords);
1992 W.printNumber("Shift Count", GnuHashTable->shift2);
1993 W.printHexList("Bloom Filter", GnuHashTable->filter());
1994 W.printList("Buckets", GnuHashTable->buckets());
Rafael Espindolace2fbdd2016-02-17 15:38:21 +00001995 Elf_Sym_Range Syms = dynamic_symbols();
1996 unsigned NumSyms = std::distance(Syms.begin(), Syms.end());
1997 if (!NumSyms)
George Rimar47936762016-01-16 00:49:19 +00001998 reportError("No dynamic symbol section");
Rafael Espindolace2fbdd2016-02-17 15:38:21 +00001999 W.printHexList("Values", GnuHashTable->values(NumSyms));
George Rimar47936762016-01-16 00:49:19 +00002000}
2001
2002template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
Sam Clegg88e9a152018-01-10 00:14:19 +00002003 W.printString("LoadName", SOName);
George Rimar47936762016-01-16 00:49:19 +00002004}
2005
2006template <class ELFT>
2007void ELFDumper<ELFT>::printAttributes() {
2008 W.startLine() << "Attributes not implemented.\n";
2009}
2010
2011namespace {
Eugene Zelenko416e0592017-06-09 21:41:54 +00002012
Rui Ueyama1b31eb92018-01-12 01:40:32 +00002013template <> void ELFDumper<ELF32LE>::printAttributes() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00002014 const ELFFile<ELF32LE> *Obj = ObjF->getELFFile();
George Rimar47936762016-01-16 00:49:19 +00002015 if (Obj->getHeader()->e_machine != EM_ARM) {
2016 W.startLine() << "Attributes not implemented.\n";
2017 return;
2018 }
2019
2020 DictScope BA(W, "BuildAttributes");
Rafael Espindola25be8c82016-11-02 14:10:57 +00002021 for (const ELFO::Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
George Rimar47936762016-01-16 00:49:19 +00002022 if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
2023 continue;
2024
Rafael Espindolaf04f1842016-02-17 16:21:49 +00002025 ArrayRef<uint8_t> Contents = unwrapOrError(Obj->getSectionContents(&Sec));
2026 if (Contents[0] != ARMBuildAttrs::Format_Version) {
Benjamin Kramer3a13ed62017-12-28 16:58:54 +00002027 errs() << "unrecognised FormatVersion: 0x"
2028 << Twine::utohexstr(Contents[0]) << '\n';
George Rimar47936762016-01-16 00:49:19 +00002029 continue;
2030 }
2031
Rafael Espindolaf04f1842016-02-17 16:21:49 +00002032 W.printHex("FormatVersion", Contents[0]);
2033 if (Contents.size() == 1)
George Rimar47936762016-01-16 00:49:19 +00002034 continue;
2035
Sam Parkerdf7c6ef2017-01-18 13:52:12 +00002036 ARMAttributeParser(&W).Parse(Contents, true);
George Rimar47936762016-01-16 00:49:19 +00002037 }
2038}
George Rimar47936762016-01-16 00:49:19 +00002039
George Rimar47936762016-01-16 00:49:19 +00002040template <class ELFT> class MipsGOTParser {
2041public:
Rafael Espindola6bc29902016-10-06 14:07:26 +00002042 TYPEDEF_ELF_TYPES(ELFT)
Simon Atanasyan62d32592017-12-21 10:26:02 +00002043 using Entry = typename ELFO::Elf_Addr;
2044 using Entries = ArrayRef<Entry>;
Eugene Zelenko416e0592017-06-09 21:41:54 +00002045
Simon Atanasyan62d32592017-12-21 10:26:02 +00002046 const bool IsStatic;
2047 const ELFO * const Obj;
George Rimar47936762016-01-16 00:49:19 +00002048
Simon Atanasyan62d32592017-12-21 10:26:02 +00002049 MipsGOTParser(const ELFO *Obj, Elf_Dyn_Range DynTable, Elf_Sym_Range DynSyms);
2050
2051 bool hasGot() const { return !GotEntries.empty(); }
2052 bool hasPlt() const { return !PltEntries.empty(); }
2053
2054 uint64_t getGp() const;
2055
2056 const Entry *getGotLazyResolver() const;
2057 const Entry *getGotModulePointer() const;
2058 const Entry *getPltLazyResolver() const;
2059 const Entry *getPltModulePointer() const;
2060
2061 Entries getLocalEntries() const;
2062 Entries getGlobalEntries() const;
2063 Entries getOtherEntries() const;
2064 Entries getPltEntries() const;
2065
2066 uint64_t getGotAddress(const Entry * E) const;
2067 int64_t getGotOffset(const Entry * E) const;
2068 const Elf_Sym *getGotSym(const Entry *E) const;
2069
2070 uint64_t getPltAddress(const Entry * E) const;
2071 const Elf_Sym *getPltSym(const Entry *E) const;
2072
2073 StringRef getPltStrTable() const { return PltStrTable; }
George Rimar47936762016-01-16 00:49:19 +00002074
2075private:
Simon Atanasyan62d32592017-12-21 10:26:02 +00002076 const Elf_Shdr *GotSec;
2077 size_t LocalNum;
2078 size_t GlobalNum;
George Rimar47936762016-01-16 00:49:19 +00002079
Simon Atanasyan62d32592017-12-21 10:26:02 +00002080 const Elf_Shdr *PltSec;
2081 const Elf_Shdr *PltRelSec;
2082 const Elf_Shdr *PltSymTable;
2083 Elf_Sym_Range GotDynSyms;
2084 StringRef PltStrTable;
George Rimar47936762016-01-16 00:49:19 +00002085
Simon Atanasyan62d32592017-12-21 10:26:02 +00002086 Entries GotEntries;
2087 Entries PltEntries;
George Rimar47936762016-01-16 00:49:19 +00002088};
Eugene Zelenko416e0592017-06-09 21:41:54 +00002089
2090} // end anonymous namespace
George Rimar47936762016-01-16 00:49:19 +00002091
2092template <class ELFT>
Simon Atanasyan62d32592017-12-21 10:26:02 +00002093MipsGOTParser<ELFT>::MipsGOTParser(const ELFO *Obj, Elf_Dyn_Range DynTable,
2094 Elf_Sym_Range DynSyms)
2095 : IsStatic(DynTable.empty()), Obj(Obj), GotSec(nullptr), LocalNum(0),
2096 GlobalNum(0), PltSec(nullptr), PltRelSec(nullptr), PltSymTable(nullptr) {
2097 // See "Global Offset Table" in Chapter 5 in the following document
2098 // for detailed GOT description.
2099 // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
2100
2101 // Find static GOT secton.
2102 if (IsStatic) {
2103 GotSec = findSectionByName(*Obj, ".got");
2104 if (!GotSec)
2105 reportError("Cannot find .got section");
2106
2107 ArrayRef<uint8_t> Content = unwrapOrError(Obj->getSectionContents(GotSec));
2108 GotEntries = Entries(reinterpret_cast<const Entry *>(Content.data()),
2109 Content.size() / sizeof(Entry));
2110 LocalNum = GotEntries.size();
2111 return;
2112 }
2113
2114 // Lookup dynamic table tags which define GOT/PLT layouts.
2115 Optional<uint64_t> DtPltGot;
2116 Optional<uint64_t> DtLocalGotNum;
2117 Optional<uint64_t> DtGotSym;
2118 Optional<uint64_t> DtMipsPltGot;
2119 Optional<uint64_t> DtJmpRel;
George Rimar47936762016-01-16 00:49:19 +00002120 for (const auto &Entry : DynTable) {
2121 switch (Entry.getTag()) {
2122 case ELF::DT_PLTGOT:
2123 DtPltGot = Entry.getVal();
2124 break;
2125 case ELF::DT_MIPS_LOCAL_GOTNO:
2126 DtLocalGotNum = Entry.getVal();
2127 break;
2128 case ELF::DT_MIPS_GOTSYM:
2129 DtGotSym = Entry.getVal();
2130 break;
2131 case ELF::DT_MIPS_PLTGOT:
2132 DtMipsPltGot = Entry.getVal();
2133 break;
2134 case ELF::DT_JMPREL:
2135 DtJmpRel = Entry.getVal();
2136 break;
2137 }
2138 }
Simon Atanasyan62d32592017-12-21 10:26:02 +00002139
2140 // Find dynamic GOT section.
2141 if (DtPltGot || DtLocalGotNum || DtGotSym) {
2142 if (!DtPltGot)
2143 report_fatal_error("Cannot find PLTGOT dynamic table tag.");
2144 if (!DtLocalGotNum)
2145 report_fatal_error("Cannot find MIPS_LOCAL_GOTNO dynamic table tag.");
2146 if (!DtGotSym)
2147 report_fatal_error("Cannot find MIPS_GOTSYM dynamic table tag.");
2148
2149 size_t DynSymTotal = DynSyms.size();
2150 if (*DtGotSym > DynSymTotal)
2151 reportError("MIPS_GOTSYM exceeds a number of dynamic symbols");
2152
2153 GotSec = findNotEmptySectionByAddress(Obj, *DtPltGot);
2154 if (!GotSec)
2155 reportError("There is no not empty GOT section at 0x" +
2156 Twine::utohexstr(*DtPltGot));
2157
2158 LocalNum = *DtLocalGotNum;
2159 GlobalNum = DynSymTotal - *DtGotSym;
2160
2161 ArrayRef<uint8_t> Content = unwrapOrError(Obj->getSectionContents(GotSec));
2162 GotEntries = Entries(reinterpret_cast<const Entry *>(Content.data()),
2163 Content.size() / sizeof(Entry));
2164 GotDynSyms = DynSyms.drop_front(*DtGotSym);
2165 }
2166
2167 // Find PLT section.
2168 if (DtMipsPltGot || DtJmpRel) {
2169 if (!DtMipsPltGot)
2170 report_fatal_error("Cannot find MIPS_PLTGOT dynamic table tag.");
2171 if (!DtJmpRel)
2172 report_fatal_error("Cannot find JMPREL dynamic table tag.");
2173
2174 PltSec = findNotEmptySectionByAddress(Obj, *DtMipsPltGot);
2175 if (!PltSec)
2176 report_fatal_error("There is no not empty PLTGOT section at 0x " +
2177 Twine::utohexstr(*DtMipsPltGot));
2178
2179 PltRelSec = findNotEmptySectionByAddress(Obj, *DtJmpRel);
2180 if (!PltRelSec)
2181 report_fatal_error("There is no not empty RELPLT section at 0x" +
2182 Twine::utohexstr(*DtJmpRel));
2183
2184 ArrayRef<uint8_t> PltContent =
2185 unwrapOrError(Obj->getSectionContents(PltSec));
2186 PltEntries = Entries(reinterpret_cast<const Entry *>(PltContent.data()),
2187 PltContent.size() / sizeof(Entry));
2188
2189 PltSymTable = unwrapOrError(Obj->getSection(PltRelSec->sh_link));
2190 PltStrTable = unwrapOrError(Obj->getStringTableForSymtab(*PltSymTable));
2191 }
2192}
2193
2194template <class ELFT> uint64_t MipsGOTParser<ELFT>::getGp() const {
2195 return GotSec->sh_addr + 0x7ff0;
George Rimar47936762016-01-16 00:49:19 +00002196}
2197
Simon Atanasyand4b693b2017-12-02 13:06:35 +00002198template <class ELFT>
Simon Atanasyan62d32592017-12-21 10:26:02 +00002199const typename MipsGOTParser<ELFT>::Entry *
2200MipsGOTParser<ELFT>::getGotLazyResolver() const {
2201 return LocalNum > 0 ? &GotEntries[0] : nullptr;
George Rimar47936762016-01-16 00:49:19 +00002202}
2203
2204template <class ELFT>
Simon Atanasyan62d32592017-12-21 10:26:02 +00002205const typename MipsGOTParser<ELFT>::Entry *
2206MipsGOTParser<ELFT>::getGotModulePointer() const {
2207 if (LocalNum < 2)
2208 return nullptr;
2209 const Entry &E = GotEntries[1];
2210 if ((E >> (sizeof(Entry) * 8 - 1)) == 0)
2211 return nullptr;
2212 return &E;
George Rimar47936762016-01-16 00:49:19 +00002213}
2214
2215template <class ELFT>
Simon Atanasyan62d32592017-12-21 10:26:02 +00002216typename MipsGOTParser<ELFT>::Entries
2217MipsGOTParser<ELFT>::getLocalEntries() const {
2218 size_t Skip = getGotModulePointer() ? 2 : 1;
2219 if (LocalNum - Skip <= 0)
2220 return Entries();
2221 return GotEntries.slice(Skip, LocalNum - Skip);
George Rimar47936762016-01-16 00:49:19 +00002222}
2223
2224template <class ELFT>
Simon Atanasyan62d32592017-12-21 10:26:02 +00002225typename MipsGOTParser<ELFT>::Entries
2226MipsGOTParser<ELFT>::getGlobalEntries() const {
2227 if (GlobalNum == 0)
2228 return Entries();
2229 return GotEntries.slice(LocalNum, GlobalNum);
George Rimar47936762016-01-16 00:49:19 +00002230}
2231
2232template <class ELFT>
Simon Atanasyan62d32592017-12-21 10:26:02 +00002233typename MipsGOTParser<ELFT>::Entries
2234MipsGOTParser<ELFT>::getOtherEntries() const {
2235 size_t OtherNum = GotEntries.size() - LocalNum - GlobalNum;
2236 if (OtherNum == 0)
2237 return Entries();
2238 return GotEntries.slice(LocalNum + GlobalNum, OtherNum);
George Rimar47936762016-01-16 00:49:19 +00002239}
2240
2241template <class ELFT>
Simon Atanasyan62d32592017-12-21 10:26:02 +00002242uint64_t MipsGOTParser<ELFT>::getGotAddress(const Entry *E) const {
2243 int64_t Offset = std::distance(GotEntries.data(), E) * sizeof(Entry);
2244 return GotSec->sh_addr + Offset;
George Rimar47936762016-01-16 00:49:19 +00002245}
2246
2247template <class ELFT>
Simon Atanasyan62d32592017-12-21 10:26:02 +00002248int64_t MipsGOTParser<ELFT>::getGotOffset(const Entry *E) const {
2249 int64_t Offset = std::distance(GotEntries.data(), E) * sizeof(Entry);
2250 return Offset - 0x7ff0;
2251}
George Rimar47936762016-01-16 00:49:19 +00002252
Simon Atanasyan62d32592017-12-21 10:26:02 +00002253template <class ELFT>
2254const typename MipsGOTParser<ELFT>::Elf_Sym *
2255MipsGOTParser<ELFT>::getGotSym(const Entry *E) const {
2256 int64_t Offset = std::distance(GotEntries.data(), E);
2257 return &GotDynSyms[Offset - LocalNum];
2258}
George Rimar47936762016-01-16 00:49:19 +00002259
Simon Atanasyan62d32592017-12-21 10:26:02 +00002260template <class ELFT>
2261const typename MipsGOTParser<ELFT>::Entry *
2262MipsGOTParser<ELFT>::getPltLazyResolver() const {
2263 return PltEntries.empty() ? nullptr : &PltEntries[0];
2264}
2265
2266template <class ELFT>
2267const typename MipsGOTParser<ELFT>::Entry *
2268MipsGOTParser<ELFT>::getPltModulePointer() const {
2269 return PltEntries.size() < 2 ? nullptr : &PltEntries[1];
2270}
2271
2272template <class ELFT>
2273typename MipsGOTParser<ELFT>::Entries
2274MipsGOTParser<ELFT>::getPltEntries() const {
2275 if (PltEntries.size() <= 2)
2276 return Entries();
2277 return PltEntries.slice(2, PltEntries.size() - 2);
2278}
2279
2280template <class ELFT>
2281uint64_t MipsGOTParser<ELFT>::getPltAddress(const Entry *E) const {
2282 int64_t Offset = std::distance(PltEntries.data(), E) * sizeof(Entry);
2283 return PltSec->sh_addr + Offset;
2284}
2285
2286template <class ELFT>
2287const typename MipsGOTParser<ELFT>::Elf_Sym *
2288MipsGOTParser<ELFT>::getPltSym(const Entry *E) const {
2289 int64_t Offset = std::distance(getPltEntries().data(), E);
2290 if (PltRelSec->sh_type == ELF::SHT_REL) {
2291 Elf_Rel_Range Rels = unwrapOrError(Obj->rels(PltRelSec));
2292 return unwrapOrError(Obj->getRelocationSymbol(&Rels[Offset], PltSymTable));
2293 } else {
2294 Elf_Rela_Range Rels = unwrapOrError(Obj->relas(PltRelSec));
2295 return unwrapOrError(Obj->getRelocationSymbol(&Rels[Offset], PltSymTable));
2296 }
George Rimar47936762016-01-16 00:49:19 +00002297}
2298
2299template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00002300 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
Simon Atanasyan62d32592017-12-21 10:26:02 +00002301 if (Obj->getHeader()->e_machine != EM_MIPS)
2302 reportError("MIPS PLT GOT is available for MIPS targets only");
George Rimar47936762016-01-16 00:49:19 +00002303
Simon Atanasyan62d32592017-12-21 10:26:02 +00002304 MipsGOTParser<ELFT> Parser(Obj, dynamic_table(), dynamic_symbols());
2305 if (Parser.hasGot())
2306 ELFDumperStyle->printMipsGOT(Parser);
2307 if (Parser.hasPlt())
2308 ELFDumperStyle->printMipsPLT(Parser);
George Rimar47936762016-01-16 00:49:19 +00002309}
2310
2311static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
2312 {"None", Mips::AFL_EXT_NONE},
2313 {"Broadcom SB-1", Mips::AFL_EXT_SB1},
2314 {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
2315 {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
2316 {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
2317 {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
2318 {"LSI R4010", Mips::AFL_EXT_4010},
2319 {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
2320 {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
2321 {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
2322 {"MIPS R4650", Mips::AFL_EXT_4650},
2323 {"MIPS R5900", Mips::AFL_EXT_5900},
2324 {"MIPS R10000", Mips::AFL_EXT_10000},
2325 {"NEC VR4100", Mips::AFL_EXT_4100},
2326 {"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
2327 {"NEC VR4120", Mips::AFL_EXT_4120},
2328 {"NEC VR5400", Mips::AFL_EXT_5400},
2329 {"NEC VR5500", Mips::AFL_EXT_5500},
2330 {"RMI Xlr", Mips::AFL_EXT_XLR},
2331 {"Toshiba R3900", Mips::AFL_EXT_3900}
2332};
2333
2334static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
2335 {"DSP", Mips::AFL_ASE_DSP},
2336 {"DSPR2", Mips::AFL_ASE_DSPR2},
2337 {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
2338 {"MCU", Mips::AFL_ASE_MCU},
2339 {"MDMX", Mips::AFL_ASE_MDMX},
2340 {"MIPS-3D", Mips::AFL_ASE_MIPS3D},
2341 {"MT", Mips::AFL_ASE_MT},
2342 {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
2343 {"VZ", Mips::AFL_ASE_VIRT},
2344 {"MSA", Mips::AFL_ASE_MSA},
2345 {"MIPS16", Mips::AFL_ASE_MIPS16},
2346 {"microMIPS", Mips::AFL_ASE_MICROMIPS},
Petar Jovanovic3408caf2018-03-14 14:13:31 +00002347 {"XPA", Mips::AFL_ASE_XPA},
2348 {"CRC", Mips::AFL_ASE_CRC},
Petar Jovanovicdaf51692018-05-17 16:30:32 +00002349 {"GINV", Mips::AFL_ASE_GINV},
George Rimar47936762016-01-16 00:49:19 +00002350};
2351
2352static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
2353 {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
2354 {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
2355 {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
2356 {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
2357 {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
2358 Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
2359 {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
2360 {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
2361 {"Hard float compat (32-bit CPU, 64-bit FPU)",
2362 Mips::Val_GNU_MIPS_ABI_FP_64A}
2363};
2364
2365static const EnumEntry<unsigned> ElfMipsFlags1[] {
2366 {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
2367};
2368
2369static int getMipsRegisterSize(uint8_t Flag) {
2370 switch (Flag) {
2371 case Mips::AFL_REG_NONE:
2372 return 0;
2373 case Mips::AFL_REG_32:
2374 return 32;
2375 case Mips::AFL_REG_64:
2376 return 64;
2377 case Mips::AFL_REG_128:
2378 return 128;
2379 default:
2380 return -1;
2381 }
2382}
2383
2384template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00002385 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
George Rimar47936762016-01-16 00:49:19 +00002386 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
2387 if (!Shdr) {
2388 W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
2389 return;
2390 }
Rafael Espindolaf04f1842016-02-17 16:21:49 +00002391 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2392 if (Sec.size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
George Rimar47936762016-01-16 00:49:19 +00002393 W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
2394 return;
2395 }
2396
Rafael Espindolaf04f1842016-02-17 16:21:49 +00002397 auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec.data());
George Rimar47936762016-01-16 00:49:19 +00002398
2399 raw_ostream &OS = W.getOStream();
2400 DictScope GS(W, "MIPS ABI Flags");
2401
2402 W.printNumber("Version", Flags->version);
2403 W.startLine() << "ISA: ";
2404 if (Flags->isa_rev <= 1)
2405 OS << format("MIPS%u", Flags->isa_level);
2406 else
2407 OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
2408 OS << "\n";
2409 W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
2410 W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
2411 W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
2412 W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
2413 W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
2414 W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
2415 W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
2416 W.printHex("Flags 2", Flags->flags2);
2417}
2418
Simon Atanasyan8a71b532016-05-04 05:58:57 +00002419template <class ELFT>
2420static void printMipsReginfoData(ScopedPrinter &W,
2421 const Elf_Mips_RegInfo<ELFT> &Reginfo) {
2422 W.printHex("GP", Reginfo.ri_gp_value);
2423 W.printHex("General Mask", Reginfo.ri_gprmask);
2424 W.printHex("Co-Proc Mask0", Reginfo.ri_cprmask[0]);
2425 W.printHex("Co-Proc Mask1", Reginfo.ri_cprmask[1]);
2426 W.printHex("Co-Proc Mask2", Reginfo.ri_cprmask[2]);
2427 W.printHex("Co-Proc Mask3", Reginfo.ri_cprmask[3]);
2428}
2429
George Rimar47936762016-01-16 00:49:19 +00002430template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00002431 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
George Rimar47936762016-01-16 00:49:19 +00002432 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
2433 if (!Shdr) {
2434 W.startLine() << "There is no .reginfo section in the file.\n";
2435 return;
2436 }
Rafael Espindolaf04f1842016-02-17 16:21:49 +00002437 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2438 if (Sec.size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
George Rimar47936762016-01-16 00:49:19 +00002439 W.startLine() << "The .reginfo section has a wrong size.\n";
2440 return;
2441 }
2442
George Rimar47936762016-01-16 00:49:19 +00002443 DictScope GS(W, "MIPS RegInfo");
Simon Atanasyan8a71b532016-05-04 05:58:57 +00002444 auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec.data());
2445 printMipsReginfoData(W, *Reginfo);
2446}
2447
2448template <class ELFT> void ELFDumper<ELFT>::printMipsOptions() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00002449 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
Simon Atanasyan8a71b532016-05-04 05:58:57 +00002450 const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.options");
2451 if (!Shdr) {
2452 W.startLine() << "There is no .MIPS.options section in the file.\n";
2453 return;
2454 }
2455
2456 DictScope GS(W, "MIPS Options");
2457
2458 ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
2459 while (!Sec.empty()) {
2460 if (Sec.size() < sizeof(Elf_Mips_Options<ELFT>)) {
2461 W.startLine() << "The .MIPS.options section has a wrong size.\n";
2462 return;
2463 }
2464 auto *O = reinterpret_cast<const Elf_Mips_Options<ELFT> *>(Sec.data());
2465 DictScope GS(W, getElfMipsOptionsOdkType(O->kind));
2466 switch (O->kind) {
2467 case ODK_REGINFO:
2468 printMipsReginfoData(W, O->getRegInfo());
2469 break;
2470 default:
2471 W.startLine() << "Unsupported MIPS options tag.\n";
2472 break;
2473 }
2474 Sec = Sec.slice(O->size);
2475 }
George Rimar47936762016-01-16 00:49:19 +00002476}
2477
2478template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00002479 const ELFFile<ELFT> *Obj = ObjF->getELFFile();
George Rimar47936762016-01-16 00:49:19 +00002480 const Elf_Shdr *StackMapSection = nullptr;
Rafael Espindola25be8c82016-11-02 14:10:57 +00002481 for (const auto &Sec : unwrapOrError(Obj->sections())) {
Rafael Espindolaf04f1842016-02-17 16:21:49 +00002482 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2483 if (Name == ".llvm_stackmaps") {
George Rimar47936762016-01-16 00:49:19 +00002484 StackMapSection = &Sec;
2485 break;
2486 }
2487 }
2488
2489 if (!StackMapSection)
2490 return;
2491
Rafael Espindolaf04f1842016-02-17 16:21:49 +00002492 ArrayRef<uint8_t> StackMapContentsArray =
2493 unwrapOrError(Obj->getSectionContents(StackMapSection));
George Rimar47936762016-01-16 00:49:19 +00002494
Sam Clegg88e9a152018-01-10 00:14:19 +00002495 prettyPrintStackMap(
2496 W, StackMapV2Parser<ELFT::TargetEndianness>(StackMapContentsArray));
George Rimar47936762016-01-16 00:49:19 +00002497}
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002498
Hemant Kulkarniab4a46f2016-01-26 19:46:39 +00002499template <class ELFT> void ELFDumper<ELFT>::printGroupSections() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00002500 ELFDumperStyle->printGroupSections(ObjF->getELFFile());
Hemant Kulkarniab4a46f2016-01-26 19:46:39 +00002501}
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002502
Peter Collingbourne3e227332018-07-17 22:17:18 +00002503template <class ELFT> void ELFDumper<ELFT>::printAddrsig() {
Luke Cheesemanf57d7d82018-12-18 10:37:42 +00002504 ELFDumperStyle->printAddrsig(ObjF->getELFFile());
Peter Collingbourne3e227332018-07-17 22:17:18 +00002505}
2506
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002507static inline void printFields(formatted_raw_ostream &OS, StringRef Str1,
2508 StringRef Str2) {
2509 OS.PadToColumn(2u);
2510 OS << Str1;
2511 OS.PadToColumn(37u);
2512 OS << Str2 << "\n";
2513 OS.flush();
2514}
2515
George Rimar6fdac3b2018-07-18 08:19:58 +00002516template <class ELFT>
2517static std::string getSectionHeadersNumString(const ELFFile<ELFT> *Obj) {
2518 const typename ELFT::Ehdr *ElfHeader = Obj->getHeader();
2519 if (ElfHeader->e_shnum != 0)
2520 return to_string(ElfHeader->e_shnum);
2521
2522 ArrayRef<typename ELFT::Shdr> Arr = unwrapOrError(Obj->sections());
2523 if (Arr.empty())
2524 return "0";
2525 return "0 (" + to_string(Arr[0].sh_size) + ")";
2526}
2527
2528template <class ELFT>
2529static std::string getSectionHeaderTableIndexString(const ELFFile<ELFT> *Obj) {
2530 const typename ELFT::Ehdr *ElfHeader = Obj->getHeader();
2531 if (ElfHeader->e_shstrndx != SHN_XINDEX)
2532 return to_string(ElfHeader->e_shstrndx);
2533
2534 ArrayRef<typename ELFT::Shdr> Arr = unwrapOrError(Obj->sections());
2535 if (Arr.empty())
2536 return "65535 (corrupt: out of range)";
2537 return to_string(ElfHeader->e_shstrndx) + " (" + to_string(Arr[0].sh_link) + ")";
2538}
2539
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002540template <class ELFT> void GNUStyle<ELFT>::printFileHeaders(const ELFO *Obj) {
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002541 const Elf_Ehdr *e = Obj->getHeader();
2542 OS << "ELF Header:\n";
2543 OS << " Magic: ";
2544 std::string Str;
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002545 for (int i = 0; i < ELF::EI_NIDENT; i++)
2546 OS << format(" %02x", static_cast<int>(e->e_ident[i]));
2547 OS << "\n";
2548 Str = printEnum(e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002549 printFields(OS, "Class:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002550 Str = printEnum(e->e_ident[ELF::EI_DATA], makeArrayRef(ElfDataEncoding));
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002551 printFields(OS, "Data:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002552 OS.PadToColumn(2u);
2553 OS << "Version:";
2554 OS.PadToColumn(37u);
2555 OS << to_hexString(e->e_ident[ELF::EI_VERSION]);
2556 if (e->e_version == ELF::EV_CURRENT)
2557 OS << " (current)";
2558 OS << "\n";
2559 Str = printEnum(e->e_ident[ELF::EI_OSABI], makeArrayRef(ElfOSABI));
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002560 printFields(OS, "OS/ABI:", Str);
Chandler Carruthe8fa5ae2016-11-03 17:11:11 +00002561 Str = "0x" + to_hexString(e->e_ident[ELF::EI_ABIVERSION]);
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002562 printFields(OS, "ABI Version:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002563 Str = printEnum(e->e_type, makeArrayRef(ElfObjectFileType));
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002564 printFields(OS, "Type:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002565 Str = printEnum(e->e_machine, makeArrayRef(ElfMachineType));
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002566 printFields(OS, "Machine:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002567 Str = "0x" + to_hexString(e->e_version);
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002568 printFields(OS, "Version:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002569 Str = "0x" + to_hexString(e->e_entry);
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002570 printFields(OS, "Entry point address:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002571 Str = to_string(e->e_phoff) + " (bytes into file)";
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002572 printFields(OS, "Start of program headers:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002573 Str = to_string(e->e_shoff) + " (bytes into file)";
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002574 printFields(OS, "Start of section headers:", Str);
Simon Atanasyan19932542018-10-25 05:39:27 +00002575 std::string ElfFlags;
2576 if (e->e_machine == EM_MIPS)
2577 ElfFlags =
2578 printFlags(e->e_flags, makeArrayRef(ElfHeaderMipsFlags),
2579 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
2580 unsigned(ELF::EF_MIPS_MACH));
2581 else if (e->e_machine == EM_RISCV)
2582 ElfFlags = printFlags(e->e_flags, makeArrayRef(ElfHeaderRISCVFlags));
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002583 Str = "0x" + to_hexString(e->e_flags);
Simon Atanasyan19932542018-10-25 05:39:27 +00002584 if (!ElfFlags.empty())
2585 Str = Str + ", " + ElfFlags;
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002586 printFields(OS, "Flags:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002587 Str = to_string(e->e_ehsize) + " (bytes)";
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002588 printFields(OS, "Size of this header:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002589 Str = to_string(e->e_phentsize) + " (bytes)";
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002590 printFields(OS, "Size of program headers:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002591 Str = to_string(e->e_phnum);
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002592 printFields(OS, "Number of program headers:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002593 Str = to_string(e->e_shentsize) + " (bytes)";
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002594 printFields(OS, "Size of section headers:", Str);
George Rimar6fdac3b2018-07-18 08:19:58 +00002595 Str = getSectionHeadersNumString(Obj);
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002596 printFields(OS, "Number of section headers:", Str);
George Rimar6fdac3b2018-07-18 08:19:58 +00002597 Str = getSectionHeaderTableIndexString(Obj);
Hemant Kulkarnif84cda72016-02-11 03:41:34 +00002598 printFields(OS, "Section header string table index:", Str);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002599}
2600
George Rimarea39eed2017-09-14 07:32:52 +00002601namespace {
2602struct GroupMember {
2603 StringRef Name;
2604 uint64_t Index;
2605};
2606
2607struct GroupSection {
2608 StringRef Name;
James Hendersone50d9cb2019-01-17 15:34:12 +00002609 std::string Signature;
George Rimarea39eed2017-09-14 07:32:52 +00002610 uint64_t ShName;
2611 uint64_t Index;
Alexander Shaposhnikov8febe3d2018-03-12 22:40:09 +00002612 uint32_t Link;
2613 uint32_t Info;
George Rimarea39eed2017-09-14 07:32:52 +00002614 uint32_t Type;
2615 std::vector<GroupMember> Members;
2616};
2617
2618template <class ELFT>
2619std::vector<GroupSection> getGroups(const ELFFile<ELFT> *Obj) {
Rui Ueyama478d6352018-01-12 02:28:31 +00002620 using Elf_Shdr = typename ELFT::Shdr;
2621 using Elf_Sym = typename ELFT::Sym;
2622 using Elf_Word = typename ELFT::Word;
George Rimarea39eed2017-09-14 07:32:52 +00002623
2624 std::vector<GroupSection> Ret;
2625 uint64_t I = 0;
George Rimar3c0f3962017-09-14 07:26:14 +00002626 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
George Rimarea39eed2017-09-14 07:32:52 +00002627 ++I;
2628 if (Sec.sh_type != ELF::SHT_GROUP)
2629 continue;
2630
2631 const Elf_Shdr *Symtab = unwrapOrError(Obj->getSection(Sec.sh_link));
2632 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
2633 const Elf_Sym *Sym =
2634 unwrapOrError(Obj->template getEntry<Elf_Sym>(Symtab, Sec.sh_info));
2635 auto Data =
2636 unwrapOrError(Obj->template getSectionContentsAsArray<Elf_Word>(&Sec));
2637
2638 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2639 StringRef Signature = StrTable.data() + Sym->st_name;
James Hendersone50d9cb2019-01-17 15:34:12 +00002640 Ret.push_back({Name,
2641 maybeDemangle(Signature),
2642 Sec.sh_name,
Alexander Shaposhnikov8febe3d2018-03-12 22:40:09 +00002643 I - 1,
2644 Sec.sh_link,
2645 Sec.sh_info,
James Hendersone50d9cb2019-01-17 15:34:12 +00002646 Data[0],
Alexander Shaposhnikov8febe3d2018-03-12 22:40:09 +00002647 {}});
George Rimarea39eed2017-09-14 07:32:52 +00002648
2649 std::vector<GroupMember> &GM = Ret.back().Members;
2650 for (uint32_t Ndx : Data.slice(1)) {
2651 auto Sec = unwrapOrError(Obj->getSection(Ndx));
2652 const StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
2653 GM.push_back({Name, Ndx});
George Rimar3c0f3962017-09-14 07:26:14 +00002654 }
George Rimarc2657cd2017-09-14 07:17:04 +00002655 }
George Rimarea39eed2017-09-14 07:32:52 +00002656 return Ret;
2657}
George Rimar762abff62017-09-16 14:29:51 +00002658
2659DenseMap<uint64_t, const GroupSection *>
2660mapSectionsToGroups(ArrayRef<GroupSection> Groups) {
2661 DenseMap<uint64_t, const GroupSection *> Ret;
2662 for (const GroupSection &G : Groups)
2663 for (const GroupMember &GM : G.Members)
2664 Ret.insert({GM.Index, &G});
2665 return Ret;
2666}
2667
George Rimarea39eed2017-09-14 07:32:52 +00002668} // namespace
2669
2670template <class ELFT> void GNUStyle<ELFT>::printGroupSections(const ELFO *Obj) {
2671 std::vector<GroupSection> V = getGroups<ELFT>(Obj);
George Rimar762abff62017-09-16 14:29:51 +00002672 DenseMap<uint64_t, const GroupSection *> Map = mapSectionsToGroups(V);
George Rimarea39eed2017-09-14 07:32:52 +00002673 for (const GroupSection &G : V) {
2674 OS << "\n"
2675 << getGroupType(G.Type) << " group section ["
2676 << format_decimal(G.Index, 5) << "] `" << G.Name << "' [" << G.Signature
2677 << "] contains " << G.Members.size() << " sections:\n"
2678 << " [Index] Name\n";
George Rimar762abff62017-09-16 14:29:51 +00002679 for (const GroupMember &GM : G.Members) {
2680 const GroupSection *MainGroup = Map[GM.Index];
2681 if (MainGroup != &G) {
2682 OS.flush();
2683 errs() << "Error: section [" << format_decimal(GM.Index, 5)
2684 << "] in group section [" << format_decimal(G.Index, 5)
2685 << "] already in group section ["
2686 << format_decimal(MainGroup->Index, 5) << "]";
2687 errs().flush();
2688 continue;
2689 }
George Rimarea39eed2017-09-14 07:32:52 +00002690 OS << " [" << format_decimal(GM.Index, 5) << "] " << GM.Name << "\n";
George Rimar762abff62017-09-16 14:29:51 +00002691 }
George Rimarea39eed2017-09-14 07:32:52 +00002692 }
2693
2694 if (V.empty())
Hemant Kulkarni206ba842016-03-09 19:16:13 +00002695 OS << "There are no section groups in this file.\n";
2696}
2697
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00002698template <class ELFT>
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002699void GNUStyle<ELFT>::printRelocation(const ELFO *Obj, const Elf_Shdr *SymTab,
2700 const Elf_Rela &R, bool IsRela) {
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002701 // First two fields are bit width dependent. The rest of them are after are
2702 // fixed width.
George Rimar4b4899b2019-01-30 14:08:55 +00002703 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002704 Field Fields[5] = {0, 10 + Bias, 19 + 2 * Bias, 42 + 2 * Bias, 53 + 2 * Bias};
George Rimar1206f5a2019-01-30 15:39:05 +00002705 SmallString<32> RelocName;
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002706 Obj->getRelocationTypeName(R.getType(Obj->isMips64EL()), RelocName);
George Rimar1206f5a2019-01-30 15:39:05 +00002707 const Elf_Sym *Sym = unwrapOrError(Obj->getRelocationSymbol(&R, SymTab));
2708 std::string TargetName;
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002709 if (Sym && Sym->getType() == ELF::STT_SECTION) {
2710 const Elf_Shdr *Sec = unwrapOrError(
2711 Obj->getSection(Sym, SymTab, this->dumper()->getShndxTable()));
2712 TargetName = unwrapOrError(Obj->getSectionName(Sec));
2713 } else if (Sym) {
Jake Ehrlich0f440d82018-06-28 21:07:34 +00002714 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
James Hendersone50d9cb2019-01-17 15:34:12 +00002715 TargetName = maybeDemangle(unwrapOrError(Sym->getName(StrTable)));
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002716 }
2717
George Rimar4b4899b2019-01-30 14:08:55 +00002718 unsigned Width = ELFT::Is64Bits ? 16 : 8;
2719 Fields[0].Str = to_string(format_hex_no_prefix(R.r_offset, Width));
2720 Fields[1].Str = to_string(format_hex_no_prefix(R.r_info, Width));
2721 Fields[2].Str = RelocName.str();
2722 if (Sym)
2723 Fields[3].Str = to_string(format_hex_no_prefix(Sym->getValue(), Width));
2724 Fields[4].Str = TargetName;
2725 for (auto &F : Fields)
2726 printField(F);
2727
2728 std::string Addend;
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002729 if (Sym && IsRela) {
2730 if (R.r_addend < 0)
2731 Addend = " - ";
2732 else
2733 Addend = " + ";
2734 }
2735
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002736 if (IsRela)
George Rimar1206f5a2019-01-30 15:39:05 +00002737 Addend += to_hexString(std::abs(R.r_addend), false);
2738 OS << Addend << "\n";
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00002739}
2740
Jake Ehrlich0f440d82018-06-28 21:07:34 +00002741template <class ELFT> void GNUStyle<ELFT>::printRelocHeader(unsigned SType) {
2742 bool IsRela = SType == ELF::SHT_RELA || SType == ELF::SHT_ANDROID_RELA;
2743 bool IsRelr = SType == ELF::SHT_RELR || SType == ELF::SHT_ANDROID_RELR;
2744 if (ELFT::Is64Bits)
2745 OS << " ";
2746 else
2747 OS << " ";
2748 if (IsRelr && opts::RawRelr)
2749 OS << "Data ";
2750 else
2751 OS << "Offset";
2752 if (ELFT::Is64Bits)
2753 OS << " Info Type"
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00002754 << " Symbol's Value Symbol's Name";
2755 else
Jake Ehrlich0f440d82018-06-28 21:07:34 +00002756 OS << " Info Type Sym. Value Symbol's Name";
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002757 if (IsRela)
Jake Ehrlich0f440d82018-06-28 21:07:34 +00002758 OS << " + Addend";
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002759 OS << "\n";
2760}
2761
2762template <class ELFT> void GNUStyle<ELFT>::printRelocations(const ELFO *Obj) {
2763 bool HasRelocSections = false;
Rafael Espindola25be8c82016-11-02 14:10:57 +00002764 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
Jake Ehrlich0f440d82018-06-28 21:07:34 +00002765 if (Sec.sh_type != ELF::SHT_REL &&
2766 Sec.sh_type != ELF::SHT_RELA &&
2767 Sec.sh_type != ELF::SHT_RELR &&
Peter Collingbourne689e6c052017-10-25 03:37:12 +00002768 Sec.sh_type != ELF::SHT_ANDROID_REL &&
Jake Ehrlich0f440d82018-06-28 21:07:34 +00002769 Sec.sh_type != ELF::SHT_ANDROID_RELA &&
2770 Sec.sh_type != ELF::SHT_ANDROID_RELR)
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002771 continue;
2772 HasRelocSections = true;
2773 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
2774 unsigned Entries = Sec.getEntityCount();
Peter Collingbournecf017ad2018-06-07 00:02:07 +00002775 std::vector<Elf_Rela> AndroidRelas;
2776 if (Sec.sh_type == ELF::SHT_ANDROID_REL ||
2777 Sec.sh_type == ELF::SHT_ANDROID_RELA) {
2778 // Android's packed relocation section needs to be unpacked first
2779 // to get the actual number of entries.
2780 AndroidRelas = unwrapOrError(Obj->android_relas(&Sec));
2781 Entries = AndroidRelas.size();
2782 }
Jake Ehrlich0f440d82018-06-28 21:07:34 +00002783 std::vector<Elf_Rela> RelrRelas;
2784 if (!opts::RawRelr && (Sec.sh_type == ELF::SHT_RELR ||
2785 Sec.sh_type == ELF::SHT_ANDROID_RELR)) {
2786 // .relr.dyn relative relocation section needs to be unpacked first
2787 // to get the actual number of entries.
2788 Elf_Relr_Range Relrs = unwrapOrError(Obj->relrs(&Sec));
2789 RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
2790 Entries = RelrRelas.size();
2791 }
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002792 uintX_t Offset = Sec.sh_offset;
2793 OS << "\nRelocation section '" << Name << "' at offset 0x"
2794 << to_hexString(Offset, false) << " contains " << Entries
2795 << " entries:\n";
Jake Ehrlich0f440d82018-06-28 21:07:34 +00002796 printRelocHeader(Sec.sh_type);
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002797 const Elf_Shdr *SymTab = unwrapOrError(Obj->getSection(Sec.sh_link));
Peter Collingbourne689e6c052017-10-25 03:37:12 +00002798 switch (Sec.sh_type) {
2799 case ELF::SHT_REL:
Rafael Espindola354680a2016-11-03 19:07:15 +00002800 for (const auto &R : unwrapOrError(Obj->rels(&Sec))) {
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002801 Elf_Rela Rela;
2802 Rela.r_offset = R.r_offset;
2803 Rela.r_info = R.r_info;
2804 Rela.r_addend = 0;
2805 printRelocation(Obj, SymTab, Rela, false);
2806 }
Peter Collingbourne689e6c052017-10-25 03:37:12 +00002807 break;
2808 case ELF::SHT_RELA:
Rafael Espindola354680a2016-11-03 19:07:15 +00002809 for (const auto &R : unwrapOrError(Obj->relas(&Sec)))
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002810 printRelocation(Obj, SymTab, R, true);
Peter Collingbourne689e6c052017-10-25 03:37:12 +00002811 break;
Jake Ehrlich0f440d82018-06-28 21:07:34 +00002812 case ELF::SHT_RELR:
2813 case ELF::SHT_ANDROID_RELR:
2814 if (opts::RawRelr)
2815 for (const auto &R : unwrapOrError(Obj->relrs(&Sec)))
2816 OS << to_string(format_hex_no_prefix(R, ELFT::Is64Bits ? 16 : 8))
2817 << "\n";
2818 else
2819 for (const auto &R : RelrRelas)
2820 printRelocation(Obj, SymTab, R, false);
2821 break;
Peter Collingbourne689e6c052017-10-25 03:37:12 +00002822 case ELF::SHT_ANDROID_REL:
2823 case ELF::SHT_ANDROID_RELA:
Peter Collingbournecf017ad2018-06-07 00:02:07 +00002824 for (const auto &R : AndroidRelas)
Peter Collingbourne689e6c052017-10-25 03:37:12 +00002825 printRelocation(Obj, SymTab, R, Sec.sh_type == ELF::SHT_ANDROID_RELA);
2826 break;
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002827 }
2828 }
2829 if (!HasRelocSections)
2830 OS << "\nThere are no relocations in this file.\n";
2831}
2832
2833std::string getSectionTypeString(unsigned Arch, unsigned Type) {
2834 using namespace ELF;
Eugene Zelenko416e0592017-06-09 21:41:54 +00002835
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002836 switch (Arch) {
2837 case EM_ARM:
2838 switch (Type) {
2839 case SHT_ARM_EXIDX:
2840 return "ARM_EXIDX";
2841 case SHT_ARM_PREEMPTMAP:
2842 return "ARM_PREEMPTMAP";
2843 case SHT_ARM_ATTRIBUTES:
2844 return "ARM_ATTRIBUTES";
2845 case SHT_ARM_DEBUGOVERLAY:
2846 return "ARM_DEBUGOVERLAY";
2847 case SHT_ARM_OVERLAYSECTION:
2848 return "ARM_OVERLAYSECTION";
2849 }
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00002850 break;
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002851 case EM_X86_64:
2852 switch (Type) {
2853 case SHT_X86_64_UNWIND:
2854 return "X86_64_UNWIND";
2855 }
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00002856 break;
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002857 case EM_MIPS:
2858 case EM_MIPS_RS3_LE:
2859 switch (Type) {
2860 case SHT_MIPS_REGINFO:
2861 return "MIPS_REGINFO";
2862 case SHT_MIPS_OPTIONS:
2863 return "MIPS_OPTIONS";
Fangrui Song8443e882019-02-21 11:35:41 +00002864 case SHT_MIPS_DWARF:
2865 return "MIPS_DWARF";
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002866 case SHT_MIPS_ABIFLAGS:
2867 return "MIPS_ABIFLAGS";
2868 }
Ryan Prichard0c20b5b2018-10-26 23:01:54 +00002869 break;
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002870 }
2871 switch (Type) {
2872 case SHT_NULL:
2873 return "NULL";
2874 case SHT_PROGBITS:
2875 return "PROGBITS";
2876 case SHT_SYMTAB:
2877 return "SYMTAB";
2878 case SHT_STRTAB:
2879 return "STRTAB";
2880 case SHT_RELA:
2881 return "RELA";
2882 case SHT_HASH:
2883 return "HASH";
2884 case SHT_DYNAMIC:
2885 return "DYNAMIC";
2886 case SHT_NOTE:
2887 return "NOTE";
2888 case SHT_NOBITS:
2889 return "NOBITS";
2890 case SHT_REL:
2891 return "REL";
2892 case SHT_SHLIB:
2893 return "SHLIB";
2894 case SHT_DYNSYM:
2895 return "DYNSYM";
2896 case SHT_INIT_ARRAY:
2897 return "INIT_ARRAY";
2898 case SHT_FINI_ARRAY:
2899 return "FINI_ARRAY";
2900 case SHT_PREINIT_ARRAY:
2901 return "PREINIT_ARRAY";
2902 case SHT_GROUP:
2903 return "GROUP";
2904 case SHT_SYMTAB_SHNDX:
2905 return "SYMTAB SECTION INDICES";
Jake Ehrlich0f440d82018-06-28 21:07:34 +00002906 case SHT_RELR:
2907 case SHT_ANDROID_RELR:
2908 return "RELR";
Peter Collingbournef0e26e72017-06-14 18:52:12 +00002909 case SHT_LLVM_ODRTAB:
2910 return "LLVM_ODRTAB";
Saleem Abdulrasoolb36fbbc2018-01-30 16:29:29 +00002911 case SHT_LLVM_LINKER_OPTIONS:
2912 return "LLVM_LINKER_OPTIONS";
Michael J. Spencerae6eeae2018-06-02 16:33:01 +00002913 case SHT_LLVM_CALL_GRAPH_PROFILE:
2914 return "LLVM_CALL_GRAPH_PROFILE";
Peter Collingbourne3e227332018-07-17 22:17:18 +00002915 case SHT_LLVM_ADDRSIG:
2916 return "LLVM_ADDRSIG";
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002917 // FIXME: Parse processor specific GNU attributes
2918 case SHT_GNU_ATTRIBUTES:
2919 return "ATTRIBUTES";
2920 case SHT_GNU_HASH:
2921 return "GNU_HASH";
2922 case SHT_GNU_verdef:
2923 return "VERDEF";
2924 case SHT_GNU_verneed:
2925 return "VERNEED";
2926 case SHT_GNU_versym:
2927 return "VERSYM";
2928 default:
2929 return "";
2930 }
2931 return "";
2932}
2933
Jordan Rupprechtdbf552c2018-11-12 18:02:38 +00002934template <class ELFT>
2935void GNUStyle<ELFT>::printSectionHeaders(const ELFO *Obj) {
George Rimar4b4899b2019-01-30 14:08:55 +00002936 unsigned Bias = ELFT::Is64Bits ? 0 : 8;
George Rimara2b553b2018-07-19 14:52:57 +00002937 ArrayRef<Elf_Shdr> Sections = unwrapOrError(Obj->sections());
2938 OS << "There are " << to_string(Sections.size())
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002939 << " section headers, starting at offset "
2940 << "0x" << to_hexString(Obj->getHeader()->e_shoff, false) << ":\n\n";
2941 OS << "Section Headers:\n";
George Rimar4b4899b2019-01-30 14:08:55 +00002942 Field Fields[11] = {
2943 {"[Nr]", 2}, {"Name", 7}, {"Type", 25},
2944 {"Address", 41}, {"Off", 58 - Bias}, {"Size", 65 - Bias},
2945 {"ES", 72 - Bias}, {"Flg", 75 - Bias}, {"Lk", 79 - Bias},
2946 {"Inf", 82 - Bias}, {"Al", 86 - Bias}};
2947 for (auto &F : Fields)
2948 printField(F);
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002949 OS << "\n";
2950
George Rimar4b4899b2019-01-30 14:08:55 +00002951 size_t SectionIndex = 0;
George Rimara2b553b2018-07-19 14:52:57 +00002952 for (const Elf_Shdr &Sec : Sections) {
George Rimar4b4899b2019-01-30 14:08:55 +00002953 Fields[0].Str = to_string(SectionIndex);
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002954 Fields[1].Str = unwrapOrError(Obj->getSectionName(&Sec));
George Rimar4b4899b2019-01-30 14:08:55 +00002955 Fields[2].Str =
2956 getSectionTypeString(Obj->getHeader()->e_machine, Sec.sh_type);
2957 Fields[3].Str =
2958 to_string(format_hex_no_prefix(Sec.sh_addr, ELFT::Is64Bits ? 16 : 8));
2959 Fields[4].Str = to_string(format_hex_no_prefix(Sec.sh_offset, 6));
2960 Fields[5].Str = to_string(format_hex_no_prefix(Sec.sh_size, 6));
2961 Fields[6].Str = to_string(format_hex_no_prefix(Sec.sh_entsize, 2));
2962 Fields[7].Str = getGNUFlags(Sec.sh_flags);
2963 Fields[8].Str = to_string(Sec.sh_link);
2964 Fields[9].Str = to_string(Sec.sh_info);
2965 Fields[10].Str = to_string(Sec.sh_addralign);
2966
Hemant Kulkarnic030f232016-03-15 17:25:31 +00002967 OS.PadToColumn(Fields[0].Column);
2968 OS << "[" << right_justify(Fields[0].Str, 2) << "]";
2969 for (int i = 1; i < 7; i++)
2970 printField(Fields[i]);
2971 OS.PadToColumn(Fields[7].Column);
2972 OS << right_justify(Fields[7].Str, 3);
2973 OS.PadToColumn(Fields[8].Column);
2974 OS << right_justify(Fields[8].Str, 2);
2975 OS.PadToColumn(Fields[9].Column);
2976 OS << right_justify(Fields[9].Str, 3);
2977 OS.PadToColumn(Fields[10].Column);
2978 OS << right_justify(Fields[10].Str, 2);
2979 OS << "\n";
2980 ++SectionIndex;
2981 }
2982 OS << "Key to Flags:\n"
2983 << " W (write), A (alloc), X (execute), M (merge), S (strings), l "
2984 "(large)\n"
2985 << " I (info), L (link order), G (group), T (TLS), E (exclude),\
2986 x (unknown)\n"
2987 << " O (extra OS processing required) o (OS specific),\
2988 p (processor specific)\n";
2989}
2990
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00002991template <class ELFT>
2992void GNUStyle<ELFT>::printSymtabMessage(const ELFO *Obj, StringRef Name,
2993 size_t Entries) {
Eugene Zelenko416e0592017-06-09 21:41:54 +00002994 if (!Name.empty())
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00002995 OS << "\nSymbol table '" << Name << "' contains " << Entries
2996 << " entries:\n";
2997 else
2998 OS << "\n Symbol table for image:\n";
2999
3000 if (ELFT::Is64Bits)
3001 OS << " Num: Value Size Type Bind Vis Ndx Name\n";
3002 else
3003 OS << " Num: Value Size Type Bind Vis Ndx Name\n";
3004}
3005
3006template <class ELFT>
3007std::string GNUStyle<ELFT>::getSymbolSectionNdx(const ELFO *Obj,
3008 const Elf_Sym *Symbol,
3009 const Elf_Sym *FirstSym) {
3010 unsigned SectionIndex = Symbol->st_shndx;
3011 switch (SectionIndex) {
3012 case ELF::SHN_UNDEF:
3013 return "UND";
3014 case ELF::SHN_ABS:
3015 return "ABS";
3016 case ELF::SHN_COMMON:
3017 return "COM";
3018 case ELF::SHN_XINDEX:
Rafael Espindola714c2952016-11-03 14:41:17 +00003019 SectionIndex = unwrapOrError(object::getExtendedSymbolTableIndex<ELFT>(
Rafael Espindola7b2750a2016-11-03 13:58:15 +00003020 Symbol, FirstSym, this->dumper()->getShndxTable()));
Galina Kistanova9ee35cf2017-05-31 01:33:39 +00003021 LLVM_FALLTHROUGH;
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00003022 default:
3023 // Find if:
3024 // Processor specific
3025 if (SectionIndex >= ELF::SHN_LOPROC && SectionIndex <= ELF::SHN_HIPROC)
3026 return std::string("PRC[0x") +
3027 to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
3028 // OS specific
3029 if (SectionIndex >= ELF::SHN_LOOS && SectionIndex <= ELF::SHN_HIOS)
3030 return std::string("OS[0x") +
3031 to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
3032 // Architecture reserved:
3033 if (SectionIndex >= ELF::SHN_LORESERVE &&
3034 SectionIndex <= ELF::SHN_HIRESERVE)
3035 return std::string("RSV[0x") +
3036 to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
3037 // A normal section with an index
3038 return to_string(format_decimal(SectionIndex, 3));
3039 }
3040}
3041
3042template <class ELFT>
3043void GNUStyle<ELFT>::printSymbol(const ELFO *Obj, const Elf_Sym *Symbol,
3044 const Elf_Sym *FirstSym, StringRef StrTable,
3045 bool IsDynamic) {
3046 static int Idx = 0;
3047 static bool Dynamic = true;
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00003048
3049 // If this function was called with a different value from IsDynamic
3050 // from last call, happens when we move from dynamic to static symbol
3051 // table, "Num" field should be reset.
3052 if (!Dynamic != !IsDynamic) {
3053 Idx = 0;
3054 Dynamic = false;
3055 }
George Rimar4b4899b2019-01-30 14:08:55 +00003056
3057 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00003058 Field Fields[8] = {0, 8, 17 + Bias, 23 + Bias,
3059 31 + Bias, 38 + Bias, 47 + Bias, 51 + Bias};
George Rimar4b4899b2019-01-30 14:08:55 +00003060 Fields[0].Str = to_string(format_decimal(Idx++, 6)) + ":";
3061 Fields[1].Str = to_string(
3062 format_hex_no_prefix(Symbol->st_value, ELFT::Is64Bits ? 16 : 8));
3063 Fields[2].Str = to_string(format_decimal(Symbol->st_size, 5));
3064
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00003065 unsigned char SymbolType = Symbol->getType();
3066 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
3067 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
George Rimar4b4899b2019-01-30 14:08:55 +00003068 Fields[3].Str = printEnum(SymbolType, makeArrayRef(AMDGPUSymbolTypes));
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00003069 else
George Rimar4b4899b2019-01-30 14:08:55 +00003070 Fields[3].Str = printEnum(SymbolType, makeArrayRef(ElfSymbolTypes));
3071
3072 Fields[4].Str =
3073 printEnum(Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
3074 Fields[5].Str =
3075 printEnum(Symbol->getVisibility(), makeArrayRef(ElfSymbolVisibilities));
3076 Fields[6].Str = getSymbolSectionNdx(Obj, Symbol, FirstSym);
3077 Fields[7].Str =
3078 this->dumper()->getFullSymbolName(Symbol, StrTable, IsDynamic);
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00003079 for (auto &Entry : Fields)
3080 printField(Entry);
3081 OS << "\n";
3082}
George Rimar4b4899b2019-01-30 14:08:55 +00003083
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003084template <class ELFT>
3085void GNUStyle<ELFT>::printHashedSymbol(const ELFO *Obj, const Elf_Sym *FirstSym,
3086 uint32_t Sym, StringRef StrTable,
3087 uint32_t Bucket) {
George Rimar1206f5a2019-01-30 15:39:05 +00003088 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003089 Field Fields[9] = {0, 6, 11, 20 + Bias, 25 + Bias,
3090 34 + Bias, 41 + Bias, 49 + Bias, 53 + Bias};
George Rimar4b4899b2019-01-30 14:08:55 +00003091 Fields[0].Str = to_string(format_decimal(Sym, 5));
3092 Fields[1].Str = to_string(format_decimal(Bucket, 3)) + ":";
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003093
3094 const auto Symbol = FirstSym + Sym;
George Rimar1206f5a2019-01-30 15:39:05 +00003095 Fields[2].Str = to_string(
3096 format_hex_no_prefix(Symbol->st_value, ELFT::Is64Bits ? 18 : 8));
George Rimar4b4899b2019-01-30 14:08:55 +00003097 Fields[3].Str = to_string(format_decimal(Symbol->st_size, 5));
3098
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003099 unsigned char SymbolType = Symbol->getType();
3100 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
3101 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
George Rimar4b4899b2019-01-30 14:08:55 +00003102 Fields[4].Str = printEnum(SymbolType, makeArrayRef(AMDGPUSymbolTypes));
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003103 else
George Rimar4b4899b2019-01-30 14:08:55 +00003104 Fields[4].Str = printEnum(SymbolType, makeArrayRef(ElfSymbolTypes));
3105
3106 Fields[5].Str =
3107 printEnum(Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
3108 Fields[6].Str =
3109 printEnum(Symbol->getVisibility(), makeArrayRef(ElfSymbolVisibilities));
3110 Fields[7].Str = getSymbolSectionNdx(Obj, Symbol, FirstSym);
3111 Fields[8].Str = this->dumper()->getFullSymbolName(Symbol, StrTable, true);
3112
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003113 for (auto &Entry : Fields)
3114 printField(Entry);
3115 OS << "\n";
3116}
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00003117
Hemant Kulkarnic030f232016-03-15 17:25:31 +00003118template <class ELFT>
James Henderson21ed8682019-01-23 16:15:39 +00003119void GNUStyle<ELFT>::printSymbols(const ELFO *Obj, bool PrintSymbols,
3120 bool PrintDynamicSymbols) {
3121 if (!PrintSymbols && !PrintDynamicSymbols)
3122 return;
3123 // GNU readelf prints both the .dynsym and .symtab with --symbols.
James Henderson5fc812f2019-01-22 09:35:35 +00003124 this->dumper()->printSymbolsHelper(true);
James Henderson21ed8682019-01-23 16:15:39 +00003125 if (PrintSymbols)
3126 this->dumper()->printSymbolsHelper(false);
James Henderson5fc812f2019-01-22 09:35:35 +00003127}
3128
3129template <class ELFT> void GNUStyle<ELFT>::printHashSymbols(const ELFO *Obj) {
Eugene Zelenko416e0592017-06-09 21:41:54 +00003130 if (this->dumper()->getDynamicStringTable().empty())
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003131 return;
3132 auto StringTable = this->dumper()->getDynamicStringTable();
3133 auto DynSyms = this->dumper()->dynamic_symbols();
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003134
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003135 // Try printing .hash
George Rimar1206f5a2019-01-30 15:39:05 +00003136 if (auto SysVHash = this->dumper()->getHashTable()) {
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003137 OS << "\n Symbol table of .hash for image:\n";
3138 if (ELFT::Is64Bits)
3139 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
3140 else
3141 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
3142 OS << "\n";
3143
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003144 auto Buckets = SysVHash->buckets();
3145 auto Chains = SysVHash->chains();
George Rimar1206f5a2019-01-30 15:39:05 +00003146 for (uint32_t Buc = 0; Buc < SysVHash->nbucket; Buc++) {
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003147 if (Buckets[Buc] == ELF::STN_UNDEF)
3148 continue;
George Rimar1206f5a2019-01-30 15:39:05 +00003149 for (uint32_t Ch = Buckets[Buc]; Ch < SysVHash->nchain; Ch = Chains[Ch]) {
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003150 if (Ch == ELF::STN_UNDEF)
3151 break;
3152 printHashedSymbol(Obj, &DynSyms[0], Ch, StringTable, Buc);
3153 }
3154 }
3155 }
3156
3157 // Try printing .gnu.hash
George Rimar1206f5a2019-01-30 15:39:05 +00003158 if (auto GnuHash = this->dumper()->getGnuHashTable()) {
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003159 OS << "\n Symbol table of .gnu.hash for image:\n";
3160 if (ELFT::Is64Bits)
3161 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
3162 else
3163 OS << " Num Buc: Value Size Type Bind Vis Ndx Name";
3164 OS << "\n";
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003165 auto Buckets = GnuHash->buckets();
George Rimar1206f5a2019-01-30 15:39:05 +00003166 for (uint32_t Buc = 0; Buc < GnuHash->nbuckets; Buc++) {
Hemant Kulkarnia6ee9fd2016-11-23 18:04:23 +00003167 if (Buckets[Buc] == ELF::STN_UNDEF)
3168 continue;
3169 uint32_t Index = Buckets[Buc];
3170 uint32_t GnuHashable = Index - GnuHash->symndx;
3171 // Print whole chain
3172 while (true) {
3173 printHashedSymbol(Obj, &DynSyms[0], Index++, StringTable, Buc);
3174 // Chain ends at symbol with stopper bit
3175 if ((GnuHash->values(DynSyms.size())[GnuHashable++] & 1) == 1)
3176 break;
3177 }
3178 }
3179 }
Hemant Kulkarnic030f232016-03-15 17:25:31 +00003180}
3181
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00003182static inline std::string printPhdrFlags(unsigned Flag) {
3183 std::string Str;
3184 Str = (Flag & PF_R) ? "R" : " ";
3185 Str += (Flag & PF_W) ? "W" : " ";
3186 Str += (Flag & PF_X) ? "E" : " ";
3187 return Str;
3188}
3189
3190// SHF_TLS sections are only in PT_TLS, PT_LOAD or PT_GNU_RELRO
3191// PT_TLS must only have SHF_TLS sections
3192template <class ELFT>
3193bool GNUStyle<ELFT>::checkTLSSections(const Elf_Phdr &Phdr,
3194 const Elf_Shdr &Sec) {
3195 return (((Sec.sh_flags & ELF::SHF_TLS) &&
3196 ((Phdr.p_type == ELF::PT_TLS) || (Phdr.p_type == ELF::PT_LOAD) ||
3197 (Phdr.p_type == ELF::PT_GNU_RELRO))) ||
3198 (!(Sec.sh_flags & ELF::SHF_TLS) && Phdr.p_type != ELF::PT_TLS));
3199}
3200
3201// Non-SHT_NOBITS must have its offset inside the segment
3202// Only non-zero section can be at end of segment
3203template <class ELFT>
3204bool GNUStyle<ELFT>::checkoffsets(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
3205 if (Sec.sh_type == ELF::SHT_NOBITS)
3206 return true;
3207 bool IsSpecial =
3208 (Sec.sh_type == ELF::SHT_NOBITS) && ((Sec.sh_flags & ELF::SHF_TLS) != 0);
3209 // .tbss is special, it only has memory in PT_TLS and has NOBITS properties
3210 auto SectionSize =
3211 (IsSpecial && Phdr.p_type != ELF::PT_TLS) ? 0 : Sec.sh_size;
3212 if (Sec.sh_offset >= Phdr.p_offset)
3213 return ((Sec.sh_offset + SectionSize <= Phdr.p_filesz + Phdr.p_offset)
3214 /*only non-zero sized sections at end*/ &&
3215 (Sec.sh_offset + 1 <= Phdr.p_offset + Phdr.p_filesz));
3216 return false;
3217}
3218
3219// SHF_ALLOC must have VMA inside segment
3220// Only non-zero section can be at end of segment
3221template <class ELFT>
3222bool GNUStyle<ELFT>::checkVMA(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
3223 if (!(Sec.sh_flags & ELF::SHF_ALLOC))
3224 return true;
3225 bool IsSpecial =
3226 (Sec.sh_type == ELF::SHT_NOBITS) && ((Sec.sh_flags & ELF::SHF_TLS) != 0);
3227 // .tbss is special, it only has memory in PT_TLS and has NOBITS properties
3228 auto SectionSize =
3229 (IsSpecial && Phdr.p_type != ELF::PT_TLS) ? 0 : Sec.sh_size;
3230 if (Sec.sh_addr >= Phdr.p_vaddr)
3231 return ((Sec.sh_addr + SectionSize <= Phdr.p_vaddr + Phdr.p_memsz) &&
3232 (Sec.sh_addr + 1 <= Phdr.p_vaddr + Phdr.p_memsz));
3233 return false;
3234}
3235
3236// No section with zero size must be at start or end of PT_DYNAMIC
3237template <class ELFT>
3238bool GNUStyle<ELFT>::checkPTDynamic(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
3239 if (Phdr.p_type != ELF::PT_DYNAMIC || Sec.sh_size != 0 || Phdr.p_memsz == 0)
3240 return true;
3241 // Is section within the phdr both based on offset and VMA ?
3242 return ((Sec.sh_type == ELF::SHT_NOBITS) ||
3243 (Sec.sh_offset > Phdr.p_offset &&
3244 Sec.sh_offset < Phdr.p_offset + Phdr.p_filesz)) &&
3245 (!(Sec.sh_flags & ELF::SHF_ALLOC) ||
3246 (Sec.sh_addr > Phdr.p_vaddr && Sec.sh_addr < Phdr.p_memsz));
3247}
3248
3249template <class ELFT>
Matt Davis50ca8ed2019-02-01 18:51:10 +00003250void GNUStyle<ELFT>::printProgramHeaders(
3251 const ELFO *Obj, bool PrintProgramHeaders,
3252 cl::boolOrDefault PrintSectionMapping) {
3253 if (PrintProgramHeaders)
3254 printProgramHeaders(Obj);
3255
3256 // Display the section mapping along with the program headers, unless
3257 // -section-mapping is explicitly set to false.
3258 if (PrintSectionMapping != cl::BOU_FALSE)
3259 printSectionMapping(Obj);
3260}
3261
3262template <class ELFT>
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00003263void GNUStyle<ELFT>::printProgramHeaders(const ELFO *Obj) {
Hemant Kulkarni2e3254e2016-03-29 14:20:20 +00003264 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00003265 const Elf_Ehdr *Header = Obj->getHeader();
3266 Field Fields[8] = {2, 17, 26, 37 + Bias,
3267 48 + Bias, 56 + Bias, 64 + Bias, 68 + Bias};
3268 OS << "\nElf file type is "
3269 << printEnum(Header->e_type, makeArrayRef(ElfObjectFileType)) << "\n"
Hemant Kulkarni787c2ed2016-05-12 22:51:26 +00003270 << "Entry point " << format_hex(Header->e_entry, 3) << "\n"
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00003271 << "There are " << Header->e_phnum << " program headers,"
3272 << " starting at offset " << Header->e_phoff << "\n\n"
3273 << "Program Headers:\n";
3274 if (ELFT::Is64Bits)
3275 OS << " Type Offset VirtAddr PhysAddr "
3276 << " FileSiz MemSiz Flg Align\n";
3277 else
3278 OS << " Type Offset VirtAddr PhysAddr FileSiz "
3279 << "MemSiz Flg Align\n";
George Rimar1206f5a2019-01-30 15:39:05 +00003280
3281 unsigned Width = ELFT::Is64Bits ? 18 : 10;
3282 unsigned SizeWidth = ELFT::Is64Bits ? 8 : 7;
Rafael Espindola6a494972016-11-03 17:28:33 +00003283 for (const auto &Phdr : unwrapOrError(Obj->program_headers())) {
George Rimar4b4899b2019-01-30 14:08:55 +00003284 Fields[0].Str = getElfPtType(Header->e_machine, Phdr.p_type);
3285 Fields[1].Str = to_string(format_hex(Phdr.p_offset, 8));
3286 Fields[2].Str = to_string(format_hex(Phdr.p_vaddr, Width));
3287 Fields[3].Str = to_string(format_hex(Phdr.p_paddr, Width));
3288 Fields[4].Str = to_string(format_hex(Phdr.p_filesz, SizeWidth));
3289 Fields[5].Str = to_string(format_hex(Phdr.p_memsz, SizeWidth));
3290 Fields[6].Str = printPhdrFlags(Phdr.p_flags);
3291 Fields[7].Str = to_string(format_hex(Phdr.p_align, 1));
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00003292 for (auto Field : Fields)
3293 printField(Field);
3294 if (Phdr.p_type == ELF::PT_INTERP) {
3295 OS << "\n [Requesting program interpreter: ";
3296 OS << reinterpret_cast<const char *>(Obj->base()) + Phdr.p_offset << "]";
3297 }
3298 OS << "\n";
3299 }
Matt Davis50ca8ed2019-02-01 18:51:10 +00003300}
3301
3302template <class ELFT>
3303void GNUStyle<ELFT>::printSectionMapping(const ELFO *Obj) {
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00003304 OS << "\n Section to Segment mapping:\n Segment Sections...\n";
Matt Davis0d0e9c02019-02-05 21:01:01 +00003305 DenseSet<const Elf_Shdr *> BelongsToSegment;
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00003306 int Phnum = 0;
Rafael Espindola6a494972016-11-03 17:28:33 +00003307 for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00003308 std::string Sections;
3309 OS << format(" %2.2d ", Phnum++);
Rafael Espindola25be8c82016-11-02 14:10:57 +00003310 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00003311 // Check if each section is in a segment and then print mapping.
3312 // readelf additionally makes sure it does not print zero sized sections
3313 // at end of segments and for PT_DYNAMIC both start and end of section
3314 // .tbss must only be shown in PT_TLS section.
3315 bool TbssInNonTLS = (Sec.sh_type == ELF::SHT_NOBITS) &&
3316 ((Sec.sh_flags & ELF::SHF_TLS) != 0) &&
3317 Phdr.p_type != ELF::PT_TLS;
3318 if (!TbssInNonTLS && checkTLSSections(Phdr, Sec) &&
3319 checkoffsets(Phdr, Sec) && checkVMA(Phdr, Sec) &&
Matt Davis0d0e9c02019-02-05 21:01:01 +00003320 checkPTDynamic(Phdr, Sec) && (Sec.sh_type != ELF::SHT_NULL)) {
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00003321 Sections += unwrapOrError(Obj->getSectionName(&Sec)).str() + " ";
Matt Davis0d0e9c02019-02-05 21:01:01 +00003322 BelongsToSegment.insert(&Sec);
3323 }
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00003324 }
3325 OS << Sections << "\n";
3326 OS.flush();
3327 }
Matt Davis0d0e9c02019-02-05 21:01:01 +00003328
3329 // Display sections that do not belong to a segment.
3330 std::string Sections;
3331 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
3332 if (BelongsToSegment.find(&Sec) == BelongsToSegment.end())
3333 Sections += unwrapOrError(Obj->getSectionName(&Sec)).str() + ' ';
3334 }
3335 if (!Sections.empty()) {
3336 OS << " None " << Sections << '\n';
3337 OS.flush();
3338 }
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00003339}
3340
Hemant Kulkarnic030f232016-03-15 17:25:31 +00003341template <class ELFT>
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003342void GNUStyle<ELFT>::printDynamicRelocation(const ELFO *Obj, Elf_Rela R,
3343 bool IsRela) {
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003344 unsigned Bias = ELFT::Is64Bits ? 8 : 0;
3345 // First two fields are bit width dependent. The rest of them are after are
3346 // fixed width.
3347 Field Fields[5] = {0, 10 + Bias, 19 + 2 * Bias, 42 + 2 * Bias, 53 + 2 * Bias};
3348
George Rimar4b4899b2019-01-30 14:08:55 +00003349 unsigned Width = ELFT::Is64Bits ? 16 : 8;
3350 Fields[0].Str = to_string(format_hex_no_prefix(R.r_offset, Width));
3351 Fields[1].Str = to_string(format_hex_no_prefix(R.r_info, Width));
3352
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003353 uint32_t SymIndex = R.getSymbol(Obj->isMips64EL());
3354 const Elf_Sym *Sym = this->dumper()->dynamic_symbols().begin() + SymIndex;
George Rimar4b4899b2019-01-30 14:08:55 +00003355 SmallString<32> RelocName;
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003356 Obj->getRelocationTypeName(R.getType(Obj->isMips64EL()), RelocName);
George Rimar4b4899b2019-01-30 14:08:55 +00003357 Fields[2].Str = RelocName.c_str();
3358
3359 std::string SymbolName = maybeDemangle(
James Hendersone50d9cb2019-01-17 15:34:12 +00003360 unwrapOrError(Sym->getName(this->dumper()->getDynamicStringTable())));
George Rimar4b4899b2019-01-30 14:08:55 +00003361
3362 if (!SymbolName.empty() || Sym->getValue() != 0)
3363 Fields[3].Str = to_string(format_hex_no_prefix(Sym->getValue(), Width));
3364
3365 Fields[4].Str = SymbolName;
3366 for (auto &Field : Fields)
3367 printField(Field);
3368
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003369 int64_t RelAddend = R.r_addend;
George Rimar4b4899b2019-01-30 14:08:55 +00003370 std::string Addend;
Eugene Zelenko416e0592017-06-09 21:41:54 +00003371 if (!SymbolName.empty() && IsRela) {
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003372 if (R.r_addend < 0)
3373 Addend = " - ";
3374 else
3375 Addend = " + ";
3376 }
3377
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003378 if (IsRela)
3379 Addend += to_string(format_hex_no_prefix(std::abs(RelAddend), 1));
George Rimar1206f5a2019-01-30 15:39:05 +00003380 OS << Addend << "\n";
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003381}
3382
3383template <class ELFT>
Hemant Kulkarnic030f232016-03-15 17:25:31 +00003384void GNUStyle<ELFT>::printDynamicRelocations(const ELFO *Obj) {
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003385 const DynRegionInfo &DynRelRegion = this->dumper()->getDynRelRegion();
3386 const DynRegionInfo &DynRelaRegion = this->dumper()->getDynRelaRegion();
Jake Ehrlich0f440d82018-06-28 21:07:34 +00003387 const DynRegionInfo &DynRelrRegion = this->dumper()->getDynRelrRegion();
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003388 const DynRegionInfo &DynPLTRelRegion = this->dumper()->getDynPLTRelRegion();
3389 if (DynRelaRegion.Size > 0) {
3390 OS << "\n'RELA' relocation section at offset "
3391 << format_hex(reinterpret_cast<const uint8_t *>(DynRelaRegion.Addr) -
3392 Obj->base(),
3393 1) << " contains " << DynRelaRegion.Size << " bytes:\n";
Jake Ehrlich0f440d82018-06-28 21:07:34 +00003394 printRelocHeader(ELF::SHT_RELA);
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003395 for (const Elf_Rela &Rela : this->dumper()->dyn_relas())
3396 printDynamicRelocation(Obj, Rela, true);
3397 }
3398 if (DynRelRegion.Size > 0) {
3399 OS << "\n'REL' relocation section at offset "
3400 << format_hex(reinterpret_cast<const uint8_t *>(DynRelRegion.Addr) -
3401 Obj->base(),
3402 1) << " contains " << DynRelRegion.Size << " bytes:\n";
Jake Ehrlich0f440d82018-06-28 21:07:34 +00003403 printRelocHeader(ELF::SHT_REL);
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003404 for (const Elf_Rel &Rel : this->dumper()->dyn_rels()) {
3405 Elf_Rela Rela;
3406 Rela.r_offset = Rel.r_offset;
3407 Rela.r_info = Rel.r_info;
3408 Rela.r_addend = 0;
3409 printDynamicRelocation(Obj, Rela, false);
3410 }
3411 }
Jake Ehrlich0f440d82018-06-28 21:07:34 +00003412 if (DynRelrRegion.Size > 0) {
3413 OS << "\n'RELR' relocation section at offset "
3414 << format_hex(reinterpret_cast<const uint8_t *>(DynRelrRegion.Addr) -
3415 Obj->base(),
3416 1) << " contains " << DynRelrRegion.Size << " bytes:\n";
3417 printRelocHeader(ELF::SHT_REL);
3418 Elf_Relr_Range Relrs = this->dumper()->dyn_relrs();
3419 std::vector<Elf_Rela> RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
3420 for (const Elf_Rela &Rela : RelrRelas) {
3421 printDynamicRelocation(Obj, Rela, false);
3422 }
3423 }
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003424 if (DynPLTRelRegion.Size) {
3425 OS << "\n'PLT' relocation section at offset "
3426 << format_hex(reinterpret_cast<const uint8_t *>(DynPLTRelRegion.Addr) -
3427 Obj->base(),
3428 1) << " contains " << DynPLTRelRegion.Size << " bytes:\n";
3429 }
3430 if (DynPLTRelRegion.EntSize == sizeof(Elf_Rela)) {
Jake Ehrlich0f440d82018-06-28 21:07:34 +00003431 printRelocHeader(ELF::SHT_RELA);
Rafael Espindolaaafcf752016-04-05 14:47:22 +00003432 for (const Elf_Rela &Rela : DynPLTRelRegion.getAsArrayRef<Elf_Rela>())
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003433 printDynamicRelocation(Obj, Rela, true);
3434 } else {
Jake Ehrlich0f440d82018-06-28 21:07:34 +00003435 printRelocHeader(ELF::SHT_REL);
Rafael Espindolaaafcf752016-04-05 14:47:22 +00003436 for (const Elf_Rel &Rel : DynPLTRelRegion.getAsArrayRef<Elf_Rel>()) {
Hemant Kulkarnia79c7982016-03-29 02:41:49 +00003437 Elf_Rela Rela;
3438 Rela.r_offset = Rel.r_offset;
3439 Rela.r_info = Rel.r_info;
3440 Rela.r_addend = 0;
3441 printDynamicRelocation(Obj, Rela, false);
3442 }
3443 }
Hemant Kulkarnic030f232016-03-15 17:25:31 +00003444}
3445
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +00003446// Hash histogram shows statistics of how efficient the hash was for the
3447// dynamic symbol table. The table shows number of hash buckets for different
3448// lengths of chains as absolute number and percentage of the total buckets.
3449// Additionally cumulative coverage of symbols for each set of buckets.
3450template <class ELFT>
3451void GNUStyle<ELFT>::printHashHistogram(const ELFFile<ELFT> *Obj) {
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +00003452 // Print histogram for .hash section
George Rimar1206f5a2019-01-30 15:39:05 +00003453 if (const Elf_Hash *HashTable = this->dumper()->getHashTable()) {
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +00003454 size_t NBucket = HashTable->nbucket;
3455 size_t NChain = HashTable->nchain;
3456 ArrayRef<Elf_Word> Buckets = HashTable->buckets();
3457 ArrayRef<Elf_Word> Chains = HashTable->chains();
3458 size_t TotalSyms = 0;
3459 // If hash table is correct, we have at least chains with 0 length
3460 size_t MaxChain = 1;
3461 size_t CumulativeNonZero = 0;
3462
3463 if (NChain == 0 || NBucket == 0)
3464 return;
3465
3466 std::vector<size_t> ChainLen(NBucket, 0);
3467 // Go over all buckets and and note chain lengths of each bucket (total
3468 // unique chain lengths).
3469 for (size_t B = 0; B < NBucket; B++) {
3470 for (size_t C = Buckets[B]; C > 0 && C < NChain; C = Chains[C])
3471 if (MaxChain <= ++ChainLen[B])
3472 MaxChain++;
3473 TotalSyms += ChainLen[B];
3474 }
3475
3476 if (!TotalSyms)
3477 return;
3478
3479 std::vector<size_t> Count(MaxChain, 0) ;
3480 // Count how long is the chain for each bucket
3481 for (size_t B = 0; B < NBucket; B++)
3482 ++Count[ChainLen[B]];
3483 // Print Number of buckets with each chain lengths and their cumulative
3484 // coverage of the symbols
3485 OS << "Histogram for bucket list length (total of " << NBucket
3486 << " buckets)\n"
3487 << " Length Number % of total Coverage\n";
3488 for (size_t I = 0; I < MaxChain; I++) {
3489 CumulativeNonZero += Count[I] * I;
3490 OS << format("%7lu %-10lu (%5.1f%%) %5.1f%%\n", I, Count[I],
3491 (Count[I] * 100.0) / NBucket,
3492 (CumulativeNonZero * 100.0) / TotalSyms);
3493 }
3494 }
3495
3496 // Print histogram for .gnu.hash section
George Rimar1206f5a2019-01-30 15:39:05 +00003497 if (const Elf_GnuHash *GnuHashTable = this->dumper()->getGnuHashTable()) {
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +00003498 size_t NBucket = GnuHashTable->nbuckets;
3499 ArrayRef<Elf_Word> Buckets = GnuHashTable->buckets();
3500 unsigned NumSyms = this->dumper()->dynamic_symbols().size();
3501 if (!NumSyms)
3502 return;
3503 ArrayRef<Elf_Word> Chains = GnuHashTable->values(NumSyms);
3504 size_t Symndx = GnuHashTable->symndx;
3505 size_t TotalSyms = 0;
3506 size_t MaxChain = 1;
3507 size_t CumulativeNonZero = 0;
3508
Eugene Zelenko416e0592017-06-09 21:41:54 +00003509 if (Chains.empty() || NBucket == 0)
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +00003510 return;
3511
3512 std::vector<size_t> ChainLen(NBucket, 0);
3513
3514 for (size_t B = 0; B < NBucket; B++) {
3515 if (!Buckets[B])
3516 continue;
3517 size_t Len = 1;
3518 for (size_t C = Buckets[B] - Symndx;
3519 C < Chains.size() && (Chains[C] & 1) == 0; C++)
3520 if (MaxChain < ++Len)
3521 MaxChain++;
3522 ChainLen[B] = Len;
3523 TotalSyms += Len;
3524 }
3525 MaxChain++;
3526
3527 if (!TotalSyms)
3528 return;
3529
3530 std::vector<size_t> Count(MaxChain, 0) ;
3531 for (size_t B = 0; B < NBucket; B++)
3532 ++Count[ChainLen[B]];
3533 // Print Number of buckets with each chain lengths and their cumulative
3534 // coverage of the symbols
3535 OS << "Histogram for `.gnu.hash' bucket list length (total of " << NBucket
3536 << " buckets)\n"
3537 << " Length Number % of total Coverage\n";
3538 for (size_t I = 0; I <MaxChain; I++) {
3539 CumulativeNonZero += Count[I] * I;
3540 OS << format("%7lu %-10lu (%5.1f%%) %5.1f%%\n", I, Count[I],
3541 (Count[I] * 100.0) / NBucket,
3542 (CumulativeNonZero * 100.0) / TotalSyms);
3543 }
3544 }
3545}
3546
Michael J. Spencerae6eeae2018-06-02 16:33:01 +00003547template <class ELFT>
3548void GNUStyle<ELFT>::printCGProfile(const ELFFile<ELFT> *Obj) {
3549 OS << "GNUStyle::printCGProfile not implemented\n";
3550}
3551
Peter Collingbourne3e227332018-07-17 22:17:18 +00003552template <class ELFT>
3553void GNUStyle<ELFT>::printAddrsig(const ELFFile<ELFT> *Obj) {
3554 OS << "GNUStyle::printAddrsig not implemented\n";
3555}
3556
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003557static std::string getGNUNoteTypeName(const uint32_t NT) {
3558 static const struct {
3559 uint32_t ID;
3560 const char *Name;
3561 } Notes[] = {
3562 {ELF::NT_GNU_ABI_TAG, "NT_GNU_ABI_TAG (ABI version tag)"},
3563 {ELF::NT_GNU_HWCAP, "NT_GNU_HWCAP (DSO-supplied software HWCAP info)"},
3564 {ELF::NT_GNU_BUILD_ID, "NT_GNU_BUILD_ID (unique build ID bitstring)"},
3565 {ELF::NT_GNU_GOLD_VERSION, "NT_GNU_GOLD_VERSION (gold version)"},
George Rimar6a14c022018-03-21 08:34:55 +00003566 {ELF::NT_GNU_PROPERTY_TYPE_0, "NT_GNU_PROPERTY_TYPE_0 (property note)"},
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003567 };
3568
3569 for (const auto &Note : Notes)
3570 if (Note.ID == NT)
3571 return std::string(Note.Name);
3572
3573 std::string string;
3574 raw_string_ostream OS(string);
3575 OS << format("Unknown note type (0x%08x)", NT);
Konstantin Zhuravlyov716af742017-10-14 16:43:46 +00003576 return OS.str();
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003577}
3578
Saleem Abdulrasool4b089132017-02-12 18:55:33 +00003579static std::string getFreeBSDNoteTypeName(const uint32_t NT) {
3580 static const struct {
3581 uint32_t ID;
3582 const char *Name;
3583 } Notes[] = {
3584 {ELF::NT_FREEBSD_THRMISC, "NT_THRMISC (thrmisc structure)"},
3585 {ELF::NT_FREEBSD_PROCSTAT_PROC, "NT_PROCSTAT_PROC (proc data)"},
3586 {ELF::NT_FREEBSD_PROCSTAT_FILES, "NT_PROCSTAT_FILES (files data)"},
3587 {ELF::NT_FREEBSD_PROCSTAT_VMMAP, "NT_PROCSTAT_VMMAP (vmmap data)"},
3588 {ELF::NT_FREEBSD_PROCSTAT_GROUPS, "NT_PROCSTAT_GROUPS (groups data)"},
3589 {ELF::NT_FREEBSD_PROCSTAT_UMASK, "NT_PROCSTAT_UMASK (umask data)"},
3590 {ELF::NT_FREEBSD_PROCSTAT_RLIMIT, "NT_PROCSTAT_RLIMIT (rlimit data)"},
3591 {ELF::NT_FREEBSD_PROCSTAT_OSREL, "NT_PROCSTAT_OSREL (osreldate data)"},
3592 {ELF::NT_FREEBSD_PROCSTAT_PSSTRINGS,
3593 "NT_PROCSTAT_PSSTRINGS (ps_strings data)"},
3594 {ELF::NT_FREEBSD_PROCSTAT_AUXV, "NT_PROCSTAT_AUXV (auxv data)"},
3595 };
3596
3597 for (const auto &Note : Notes)
3598 if (Note.ID == NT)
3599 return std::string(Note.Name);
3600
3601 std::string string;
3602 raw_string_ostream OS(string);
3603 OS << format("Unknown note type (0x%08x)", NT);
Konstantin Zhuravlyov716af742017-10-14 16:43:46 +00003604 return OS.str();
3605}
3606
Scott Linderf5b36e52018-12-12 19:39:27 +00003607static std::string getAMDNoteTypeName(const uint32_t NT) {
Konstantin Zhuravlyov716af742017-10-14 16:43:46 +00003608 static const struct {
3609 uint32_t ID;
3610 const char *Name;
3611 } Notes[] = {
3612 {ELF::NT_AMD_AMDGPU_HSA_METADATA,
3613 "NT_AMD_AMDGPU_HSA_METADATA (HSA Metadata)"},
3614 {ELF::NT_AMD_AMDGPU_ISA,
3615 "NT_AMD_AMDGPU_ISA (ISA Version)"},
3616 {ELF::NT_AMD_AMDGPU_PAL_METADATA,
3617 "NT_AMD_AMDGPU_PAL_METADATA (PAL Metadata)"}
3618 };
3619
3620 for (const auto &Note : Notes)
3621 if (Note.ID == NT)
3622 return std::string(Note.Name);
3623
3624 std::string string;
3625 raw_string_ostream OS(string);
3626 OS << format("Unknown note type (0x%08x)", NT);
3627 return OS.str();
Saleem Abdulrasool4b089132017-02-12 18:55:33 +00003628}
3629
Scott Linderf5b36e52018-12-12 19:39:27 +00003630static std::string getAMDGPUNoteTypeName(const uint32_t NT) {
3631 if (NT == ELF::NT_AMDGPU_METADATA)
3632 return std::string("NT_AMDGPU_METADATA (AMDGPU Metadata)");
3633
3634 std::string string;
3635 raw_string_ostream OS(string);
3636 OS << format("Unknown note type (0x%08x)", NT);
3637 return OS.str();
3638}
3639
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003640template <typename ELFT>
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003641static std::string getGNUProperty(uint32_t Type, uint32_t DataSize,
3642 ArrayRef<uint8_t> Data) {
3643 std::string str;
3644 raw_string_ostream OS(str);
Fangrui Song6a03b932019-02-13 15:58:23 +00003645 uint32_t PrData;
Fangrui Song12d55992019-02-13 01:51:45 +00003646 auto DumpBit = [&](uint32_t Flag, StringRef Name) {
Fangrui Song6a03b932019-02-13 15:58:23 +00003647 if (PrData & Flag) {
3648 PrData &= ~Flag;
Fangrui Song12d55992019-02-13 01:51:45 +00003649 OS << Name;
Fangrui Song6a03b932019-02-13 15:58:23 +00003650 if (PrData)
Fangrui Song12d55992019-02-13 01:51:45 +00003651 OS << ", ";
3652 }
3653 };
3654
George Rimar6a14c022018-03-21 08:34:55 +00003655 switch (Type) {
3656 default:
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003657 OS << format("<application-specific type 0x%x>", Type);
3658 return OS.str();
George Rimar6a14c022018-03-21 08:34:55 +00003659 case GNU_PROPERTY_STACK_SIZE: {
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003660 OS << "stack size: ";
George Rimar6a14c022018-03-21 08:34:55 +00003661 if (DataSize == sizeof(typename ELFT::uint))
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003662 OS << formatv("{0:x}",
3663 (uint64_t)(*(const typename ELFT::Addr *)Data.data()));
George Rimar6a14c022018-03-21 08:34:55 +00003664 else
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003665 OS << format("<corrupt length: 0x%x>", DataSize);
3666 return OS.str();
George Rimar6a14c022018-03-21 08:34:55 +00003667 }
3668 case GNU_PROPERTY_NO_COPY_ON_PROTECTED:
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003669 OS << "no copy on protected";
George Rimar6a14c022018-03-21 08:34:55 +00003670 if (DataSize)
3671 OS << format(" <corrupt length: 0x%x>", DataSize);
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003672 return OS.str();
Alexander Ivchenkoab60a282018-06-04 15:14:18 +00003673 case GNU_PROPERTY_X86_FEATURE_1_AND:
Fangrui Song12d55992019-02-13 01:51:45 +00003674 OS << "x86 feature: ";
Fangrui Song8e0d5ac2019-02-12 09:56:01 +00003675 if (DataSize != 4) {
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003676 OS << format("<corrupt length: 0x%x>", DataSize);
3677 return OS.str();
Alexander Ivchenkoab60a282018-06-04 15:14:18 +00003678 }
Fangrui Song6a03b932019-02-13 15:58:23 +00003679 PrData = support::endian::read32<ELFT::TargetEndianness>(Data.data());
3680 if (PrData == 0) {
Fangrui Song12d55992019-02-13 01:51:45 +00003681 OS << "<None>";
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003682 return OS.str();
Alexander Ivchenkoab60a282018-06-04 15:14:18 +00003683 }
Fangrui Song12d55992019-02-13 01:51:45 +00003684 DumpBit(GNU_PROPERTY_X86_FEATURE_1_IBT, "IBT");
3685 DumpBit(GNU_PROPERTY_X86_FEATURE_1_SHSTK, "SHSTK");
Fangrui Song6a03b932019-02-13 15:58:23 +00003686 if (PrData)
3687 OS << format("<unknown flags: 0x%x>", PrData);
Fangrui Song12d55992019-02-13 01:51:45 +00003688 return OS.str();
Fangrui Song91ab9bf2019-02-13 23:18:05 +00003689 case GNU_PROPERTY_X86_ISA_1_NEEDED:
3690 case GNU_PROPERTY_X86_ISA_1_USED:
3691 OS << "x86 ISA "
3692 << (Type == GNU_PROPERTY_X86_ISA_1_NEEDED ? "needed: " : "used: ");
3693 if (DataSize != 4) {
3694 OS << format("<corrupt length: 0x%x>", DataSize);
3695 return OS.str();
3696 }
3697 PrData = support::endian::read32<ELFT::TargetEndianness>(Data.data());
3698 if (PrData == 0) {
3699 OS << "<None>";
3700 return OS.str();
3701 }
3702 DumpBit(GNU_PROPERTY_X86_ISA_1_CMOV, "CMOV");
3703 DumpBit(GNU_PROPERTY_X86_ISA_1_SSE, "SSE");
3704 DumpBit(GNU_PROPERTY_X86_ISA_1_SSE2, "SSE2");
3705 DumpBit(GNU_PROPERTY_X86_ISA_1_SSE3, "SSE3");
3706 DumpBit(GNU_PROPERTY_X86_ISA_1_SSSE3, "SSSE3");
3707 DumpBit(GNU_PROPERTY_X86_ISA_1_SSE4_1, "SSE4_1");
3708 DumpBit(GNU_PROPERTY_X86_ISA_1_SSE4_2, "SSE4_2");
3709 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX, "AVX");
3710 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX2, "AVX2");
3711 DumpBit(GNU_PROPERTY_X86_ISA_1_FMA, "FMA");
3712 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512F, "AVX512F");
3713 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512CD, "AVX512CD");
3714 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512ER, "AVX512ER");
3715 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512PF, "AVX512PF");
3716 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512VL, "AVX512VL");
3717 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512DQ, "AVX512DQ");
3718 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512BW, "AVX512BW");
3719 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512_4FMAPS, "AVX512_4FMAPS");
3720 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512_4VNNIW, "AVX512_4VNNIW");
3721 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512_BITALG, "AVX512_BITALG");
3722 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512_IFMA, "AVX512_IFMA");
3723 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512_VBMI, "AVX512_VBMI");
3724 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512_VBMI2, "AVX512_VBMI2");
3725 DumpBit(GNU_PROPERTY_X86_ISA_1_AVX512_VNNI, "AVX512_VNNI");
3726 if (PrData)
3727 OS << format("<unknown flags: 0x%x>", PrData);
3728 return OS.str();
3729 break;
Fangrui Song12d55992019-02-13 01:51:45 +00003730 case GNU_PROPERTY_X86_FEATURE_2_NEEDED:
3731 case GNU_PROPERTY_X86_FEATURE_2_USED:
3732 OS << "x86 feature "
3733 << (Type == GNU_PROPERTY_X86_FEATURE_2_NEEDED ? "needed: " : "used: ");
3734 if (DataSize != 4) {
3735 OS << format("<corrupt length: 0x%x>", DataSize);
3736 return OS.str();
Alexander Ivchenkoab60a282018-06-04 15:14:18 +00003737 }
Fangrui Song6a03b932019-02-13 15:58:23 +00003738 PrData = support::endian::read32<ELFT::TargetEndianness>(Data.data());
3739 if (PrData == 0) {
Fangrui Song12d55992019-02-13 01:51:45 +00003740 OS << "<None>";
3741 return OS.str();
Alexander Ivchenkoab60a282018-06-04 15:14:18 +00003742 }
Fangrui Song12d55992019-02-13 01:51:45 +00003743 DumpBit(GNU_PROPERTY_X86_FEATURE_2_X86, "x86");
3744 DumpBit(GNU_PROPERTY_X86_FEATURE_2_X87, "x87");
3745 DumpBit(GNU_PROPERTY_X86_FEATURE_2_MMX, "MMX");
3746 DumpBit(GNU_PROPERTY_X86_FEATURE_2_XMM, "XMM");
3747 DumpBit(GNU_PROPERTY_X86_FEATURE_2_YMM, "YMM");
3748 DumpBit(GNU_PROPERTY_X86_FEATURE_2_ZMM, "ZMM");
3749 DumpBit(GNU_PROPERTY_X86_FEATURE_2_FXSR, "FXSR");
3750 DumpBit(GNU_PROPERTY_X86_FEATURE_2_XSAVE, "XSAVE");
3751 DumpBit(GNU_PROPERTY_X86_FEATURE_2_XSAVEOPT, "XSAVEOPT");
3752 DumpBit(GNU_PROPERTY_X86_FEATURE_2_XSAVEC, "XSAVEC");
Fangrui Song6a03b932019-02-13 15:58:23 +00003753 if (PrData)
3754 OS << format("<unknown flags: 0x%x>", PrData);
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003755 return OS.str();
George Rimar6a14c022018-03-21 08:34:55 +00003756 }
3757}
3758
3759template <typename ELFT>
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003760static SmallVector<std::string, 4>
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003761getGNUPropertyList(ArrayRef<uint8_t> Arr) {
George Rimar6a14c022018-03-21 08:34:55 +00003762 using Elf_Word = typename ELFT::Word;
3763
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003764 SmallVector<std::string, 4> Properties;
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003765 while (Arr.size() >= 8) {
3766 uint32_t Type = *reinterpret_cast<const Elf_Word *>(Arr.data());
3767 uint32_t DataSize = *reinterpret_cast<const Elf_Word *>(Arr.data() + 4);
3768 Arr = Arr.drop_front(8);
3769
3770 // Take padding size into account if present.
3771 uint64_t PaddedSize = alignTo(DataSize, sizeof(typename ELFT::uint));
3772 std::string str;
3773 raw_string_ostream OS(str);
3774 if (Arr.size() < PaddedSize) {
3775 OS << format("<corrupt type (0x%x) datasz: 0x%x>", Type, DataSize);
3776 Properties.push_back(OS.str());
3777 break;
3778 }
3779 Properties.push_back(
3780 getGNUProperty<ELFT>(Type, DataSize, Arr.take_front(PaddedSize)));
3781 Arr = Arr.drop_front(PaddedSize);
3782 }
3783
3784 if (!Arr.empty())
3785 Properties.push_back("<corrupted GNU_PROPERTY_TYPE_0>");
3786
3787 return Properties;
3788}
3789
3790struct GNUAbiTag {
3791 std::string OSName;
3792 std::string ABI;
3793 bool IsValid;
3794};
3795
3796template <typename ELFT>
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003797static GNUAbiTag getGNUAbiTag(ArrayRef<uint8_t> Desc) {
3798 typedef typename ELFT::Word Elf_Word;
3799
3800 ArrayRef<Elf_Word> Words(reinterpret_cast<const Elf_Word*>(Desc.begin()),
3801 reinterpret_cast<const Elf_Word*>(Desc.end()));
3802
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003803 if (Words.size() < 4)
3804 return {"", "", /*IsValid=*/false};
3805
3806 static const char *OSNames[] = {
3807 "Linux", "Hurd", "Solaris", "FreeBSD", "NetBSD", "Syllable", "NaCl",
3808 };
3809 StringRef OSName = "Unknown";
3810 if (Words[0] < array_lengthof(OSNames))
3811 OSName = OSNames[Words[0]];
3812 uint32_t Major = Words[1], Minor = Words[2], Patch = Words[3];
3813 std::string str;
3814 raw_string_ostream ABI(str);
3815 ABI << Major << "." << Minor << "." << Patch;
3816 return {OSName, ABI.str(), /*IsValid=*/true};
3817}
3818
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003819static std::string getGNUBuildId(ArrayRef<uint8_t> Desc) {
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003820 std::string str;
3821 raw_string_ostream OS(str);
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003822 for (const auto &B : Desc)
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003823 OS << format_hex_no_prefix(B, 2);
3824 return OS.str();
3825}
3826
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003827static StringRef getGNUGoldVersion(ArrayRef<uint8_t> Desc) {
3828 return StringRef(reinterpret_cast<const char *>(Desc.data()), Desc.size());
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003829}
3830
3831template <typename ELFT>
3832static void printGNUNote(raw_ostream &OS, uint32_t NoteType,
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003833 ArrayRef<uint8_t> Desc) {
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003834 switch (NoteType) {
3835 default:
3836 return;
3837 case ELF::NT_GNU_ABI_TAG: {
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003838 const GNUAbiTag &AbiTag = getGNUAbiTag<ELFT>(Desc);
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003839 if (!AbiTag.IsValid)
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003840 OS << " <corrupt GNU_ABI_TAG>";
3841 else
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003842 OS << " OS: " << AbiTag.OSName << ", ABI: " << AbiTag.ABI;
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003843 break;
3844 }
3845 case ELF::NT_GNU_BUILD_ID: {
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003846 OS << " Build ID: " << getGNUBuildId(Desc);
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003847 break;
3848 }
3849 case ELF::NT_GNU_GOLD_VERSION:
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003850 OS << " Version: " << getGNUGoldVersion(Desc);
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003851 break;
George Rimar6a14c022018-03-21 08:34:55 +00003852 case ELF::NT_GNU_PROPERTY_TYPE_0:
3853 OS << " Properties:";
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003854 for (const auto &Property : getGNUPropertyList<ELFT>(Desc))
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003855 OS << " " << Property << "\n";
George Rimar6a14c022018-03-21 08:34:55 +00003856 break;
3857 }
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003858 OS << '\n';
3859}
3860
Scott Linderf5b36e52018-12-12 19:39:27 +00003861struct AMDNote {
3862 std::string Type;
3863 std::string Value;
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003864};
3865
Konstantin Zhuravlyovb3c605d2017-10-14 18:21:42 +00003866template <typename ELFT>
Scott Linderf5b36e52018-12-12 19:39:27 +00003867static AMDNote getAMDNote(uint32_t NoteType, ArrayRef<uint8_t> Desc) {
Konstantin Zhuravlyovb3c605d2017-10-14 18:21:42 +00003868 switch (NoteType) {
3869 default:
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003870 return {"", ""};
3871 case ELF::NT_AMD_AMDGPU_HSA_METADATA:
3872 return {"HSA Metadata",
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003873 std::string(reinterpret_cast<const char *>(Desc.data()),
3874 Desc.size())};
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003875 case ELF::NT_AMD_AMDGPU_ISA:
3876 return {"ISA Version",
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003877 std::string(reinterpret_cast<const char *>(Desc.data()),
3878 Desc.size())};
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003879 case ELF::NT_AMD_AMDGPU_PAL_METADATA:
3880 const uint32_t *PALMetadataBegin =
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003881 reinterpret_cast<const uint32_t *>(Desc.data());
3882 const uint32_t *PALMetadataEnd = PALMetadataBegin + Desc.size();
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003883 std::vector<uint32_t> PALMetadata(PALMetadataBegin, PALMetadataEnd);
3884 std::string PALMetadataString;
3885 auto Error = AMDGPU::PALMD::toString(PALMetadata, PALMetadataString);
3886 if (Error) {
3887 return {"PAL Metadata", "Invalid"};
3888 }
3889 return {"PAL Metadata", PALMetadataString};
Konstantin Zhuravlyovb3c605d2017-10-14 18:21:42 +00003890 }
Konstantin Zhuravlyovb3c605d2017-10-14 18:21:42 +00003891}
3892
Scott Linderf5b36e52018-12-12 19:39:27 +00003893struct AMDGPUNote {
3894 std::string Type;
3895 std::string Value;
3896};
3897
3898template <typename ELFT>
3899static AMDGPUNote getAMDGPUNote(uint32_t NoteType, ArrayRef<uint8_t> Desc) {
3900 switch (NoteType) {
3901 default:
3902 return {"", ""};
3903 case ELF::NT_AMDGPU_METADATA:
3904 auto MsgPackString =
3905 StringRef(reinterpret_cast<const char *>(Desc.data()), Desc.size());
3906 msgpack::Reader MsgPackReader(MsgPackString);
3907 auto OptMsgPackNodeOrErr = msgpack::Node::read(MsgPackReader);
3908 if (errorToBool(OptMsgPackNodeOrErr.takeError()))
3909 return {"AMDGPU Metadata", "Invalid AMDGPU Metadata"};
3910 auto &OptMsgPackNode = *OptMsgPackNodeOrErr;
3911 if (!OptMsgPackNode)
3912 return {"AMDGPU Metadata", "Invalid AMDGPU Metadata"};
3913 auto &MsgPackNode = *OptMsgPackNode;
3914
3915 AMDGPU::HSAMD::V3::MetadataVerifier Verifier(true);
3916 if (!Verifier.verify(*MsgPackNode))
3917 return {"AMDGPU Metadata", "Invalid AMDGPU Metadata"};
3918
3919 std::string HSAMetadataString;
3920 raw_string_ostream StrOS(HSAMetadataString);
3921 yaml::Output YOut(StrOS);
3922 YOut << MsgPackNode;
3923
3924 return {"AMDGPU Metadata", StrOS.str()};
3925 }
3926}
3927
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003928template <class ELFT>
3929void GNUStyle<ELFT>::printNotes(const ELFFile<ELFT> *Obj) {
Scott Linder77a5f212018-03-12 19:28:50 +00003930 auto PrintHeader = [&](const typename ELFT::Off Offset,
3931 const typename ELFT::Addr Size) {
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003932 OS << "Displaying notes found at file offset " << format_hex(Offset, 10)
3933 << " with length " << format_hex(Size, 10) << ":\n"
3934 << " Owner Data size\tDescription\n";
Scott Linder77a5f212018-03-12 19:28:50 +00003935 };
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003936
Scott Linder77a5f212018-03-12 19:28:50 +00003937 auto ProcessNote = [&](const Elf_Note &Note) {
3938 StringRef Name = Note.getName();
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00003939 ArrayRef<uint8_t> Descriptor = Note.getDesc();
Scott Linder77a5f212018-03-12 19:28:50 +00003940 Elf_Word Type = Note.getType();
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003941
Scott Linder77a5f212018-03-12 19:28:50 +00003942 OS << " " << Name << std::string(22 - Name.size(), ' ')
3943 << format_hex(Descriptor.size(), 10) << '\t';
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003944
Scott Linder77a5f212018-03-12 19:28:50 +00003945 if (Name == "GNU") {
3946 OS << getGNUNoteTypeName(Type) << '\n';
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003947 printGNUNote<ELFT>(OS, Type, Descriptor);
Scott Linder77a5f212018-03-12 19:28:50 +00003948 } else if (Name == "FreeBSD") {
3949 OS << getFreeBSDNoteTypeName(Type) << '\n';
3950 } else if (Name == "AMD") {
Scott Linderf5b36e52018-12-12 19:39:27 +00003951 OS << getAMDNoteTypeName(Type) << '\n';
3952 const AMDNote N = getAMDNote<ELFT>(Type, Descriptor);
3953 if (!N.Type.empty())
3954 OS << " " << N.Type << ":\n " << N.Value << '\n';
3955 } else if (Name == "AMDGPU") {
Scott Linder77a5f212018-03-12 19:28:50 +00003956 OS << getAMDGPUNoteTypeName(Type) << '\n';
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00003957 const AMDGPUNote N = getAMDGPUNote<ELFT>(Type, Descriptor);
Scott Linderf5b36e52018-12-12 19:39:27 +00003958 if (!N.Type.empty())
3959 OS << " " << N.Type << ":\n " << N.Value << '\n';
Scott Linder77a5f212018-03-12 19:28:50 +00003960 } else {
3961 OS << "Unknown note type: (" << format_hex(Type, 10) << ')';
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003962 }
Scott Linder77a5f212018-03-12 19:28:50 +00003963 OS << '\n';
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003964 };
3965
George Rimar1206f5a2019-01-30 15:39:05 +00003966 if (Obj->getHeader()->e_type == ELF::ET_CORE) {
Scott Linder77a5f212018-03-12 19:28:50 +00003967 for (const auto &P : unwrapOrError(Obj->program_headers())) {
3968 if (P.p_type != PT_NOTE)
3969 continue;
3970 PrintHeader(P.p_offset, P.p_filesz);
3971 Error Err = Error::success();
3972 for (const auto &Note : Obj->notes(P, Err))
3973 ProcessNote(Note);
3974 if (Err)
3975 error(std::move(Err));
3976 }
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003977 } else {
Scott Linder77a5f212018-03-12 19:28:50 +00003978 for (const auto &S : unwrapOrError(Obj->sections())) {
3979 if (S.sh_type != SHT_NOTE)
3980 continue;
3981 PrintHeader(S.sh_offset, S.sh_size);
3982 Error Err = Error::success();
3983 for (const auto &Note : Obj->notes(S, Err))
3984 ProcessNote(Note);
3985 if (Err)
3986 error(std::move(Err));
3987 }
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00003988 }
3989}
3990
Simon Atanasyan62d32592017-12-21 10:26:02 +00003991template <class ELFT>
Saleem Abdulrasoolb36fbbc2018-01-30 16:29:29 +00003992void GNUStyle<ELFT>::printELFLinkerOptions(const ELFFile<ELFT> *Obj) {
3993 OS << "printELFLinkerOptions not implemented!\n";
3994}
3995
3996template <class ELFT>
Simon Atanasyan62d32592017-12-21 10:26:02 +00003997void GNUStyle<ELFT>::printMipsGOT(const MipsGOTParser<ELFT> &Parser) {
3998 size_t Bias = ELFT::Is64Bits ? 8 : 0;
3999 auto PrintEntry = [&](const Elf_Addr *E, StringRef Purpose) {
4000 OS.PadToColumn(2);
4001 OS << format_hex_no_prefix(Parser.getGotAddress(E), 8 + Bias);
4002 OS.PadToColumn(11 + Bias);
4003 OS << format_decimal(Parser.getGotOffset(E), 6) << "(gp)";
4004 OS.PadToColumn(22 + Bias);
4005 OS << format_hex_no_prefix(*E, 8 + Bias);
4006 OS.PadToColumn(31 + 2 * Bias);
4007 OS << Purpose << "\n";
4008 };
4009
4010 OS << (Parser.IsStatic ? "Static GOT:\n" : "Primary GOT:\n");
4011 OS << " Canonical gp value: "
4012 << format_hex_no_prefix(Parser.getGp(), 8 + Bias) << "\n\n";
4013
4014 OS << " Reserved entries:\n";
4015 OS << " Address Access Initial Purpose\n";
4016 PrintEntry(Parser.getGotLazyResolver(), "Lazy resolver");
4017 if (Parser.getGotModulePointer())
4018 PrintEntry(Parser.getGotModulePointer(), "Module pointer (GNU extension)");
4019
4020 if (!Parser.getLocalEntries().empty()) {
4021 OS << "\n";
4022 OS << " Local entries:\n";
4023 OS << " Address Access Initial\n";
4024 for (auto &E : Parser.getLocalEntries())
4025 PrintEntry(&E, "");
4026 }
4027
4028 if (Parser.IsStatic)
4029 return;
4030
4031 if (!Parser.getGlobalEntries().empty()) {
4032 OS << "\n";
4033 OS << " Global entries:\n";
4034 OS << " Address Access Initial Sym.Val. Type Ndx Name\n";
4035 for (auto &E : Parser.getGlobalEntries()) {
4036 const Elf_Sym *Sym = Parser.getGotSym(&E);
4037 std::string SymName = this->dumper()->getFullSymbolName(
4038 Sym, this->dumper()->getDynamicStringTable(), false);
4039
4040 OS.PadToColumn(2);
4041 OS << to_string(format_hex_no_prefix(Parser.getGotAddress(&E), 8 + Bias));
4042 OS.PadToColumn(11 + Bias);
4043 OS << to_string(format_decimal(Parser.getGotOffset(&E), 6)) + "(gp)";
4044 OS.PadToColumn(22 + Bias);
4045 OS << to_string(format_hex_no_prefix(E, 8 + Bias));
4046 OS.PadToColumn(31 + 2 * Bias);
4047 OS << to_string(format_hex_no_prefix(Sym->st_value, 8 + Bias));
4048 OS.PadToColumn(40 + 3 * Bias);
4049 OS << printEnum(Sym->getType(), makeArrayRef(ElfSymbolTypes));
4050 OS.PadToColumn(48 + 3 * Bias);
4051 OS << getSymbolSectionNdx(Parser.Obj, Sym,
4052 this->dumper()->dynamic_symbols().begin());
4053 OS.PadToColumn(52 + 3 * Bias);
4054 OS << SymName << "\n";
4055 }
4056 }
4057
4058 if (!Parser.getOtherEntries().empty())
4059 OS << "\n Number of TLS and multi-GOT entries "
4060 << Parser.getOtherEntries().size() << "\n";
4061}
4062
4063template <class ELFT>
4064void GNUStyle<ELFT>::printMipsPLT(const MipsGOTParser<ELFT> &Parser) {
4065 size_t Bias = ELFT::Is64Bits ? 8 : 0;
4066 auto PrintEntry = [&](const Elf_Addr *E, StringRef Purpose) {
4067 OS.PadToColumn(2);
4068 OS << format_hex_no_prefix(Parser.getGotAddress(E), 8 + Bias);
4069 OS.PadToColumn(11 + Bias);
4070 OS << format_hex_no_prefix(*E, 8 + Bias);
4071 OS.PadToColumn(20 + 2 * Bias);
4072 OS << Purpose << "\n";
4073 };
4074
4075 OS << "PLT GOT:\n\n";
4076
4077 OS << " Reserved entries:\n";
4078 OS << " Address Initial Purpose\n";
4079 PrintEntry(Parser.getPltLazyResolver(), "PLT lazy resolver");
4080 if (Parser.getPltModulePointer())
4081 PrintEntry(Parser.getGotModulePointer(), "Module pointer");
4082
4083 if (!Parser.getPltEntries().empty()) {
4084 OS << "\n";
4085 OS << " Entries:\n";
4086 OS << " Address Initial Sym.Val. Type Ndx Name\n";
4087 for (auto &E : Parser.getPltEntries()) {
4088 const Elf_Sym *Sym = Parser.getPltSym(&E);
4089 std::string SymName = this->dumper()->getFullSymbolName(
4090 Sym, this->dumper()->getDynamicStringTable(), false);
4091
4092 OS.PadToColumn(2);
4093 OS << to_string(format_hex_no_prefix(Parser.getGotAddress(&E), 8 + Bias));
4094 OS.PadToColumn(11 + Bias);
4095 OS << to_string(format_hex_no_prefix(E, 8 + Bias));
4096 OS.PadToColumn(20 + 2 * Bias);
4097 OS << to_string(format_hex_no_prefix(Sym->st_value, 8 + Bias));
4098 OS.PadToColumn(29 + 3 * Bias);
4099 OS << printEnum(Sym->getType(), makeArrayRef(ElfSymbolTypes));
4100 OS.PadToColumn(37 + 3 * Bias);
4101 OS << getSymbolSectionNdx(Parser.Obj, Sym,
4102 this->dumper()->dynamic_symbols().begin());
4103 OS.PadToColumn(41 + 3 * Bias);
4104 OS << SymName << "\n";
4105 }
4106 }
4107}
4108
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004109template <class ELFT> void LLVMStyle<ELFT>::printFileHeaders(const ELFO *Obj) {
George Rimar1206f5a2019-01-30 15:39:05 +00004110 const Elf_Ehdr *E = Obj->getHeader();
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00004111 {
4112 DictScope D(W, "ElfHeader");
4113 {
4114 DictScope D(W, "Ident");
George Rimar1206f5a2019-01-30 15:39:05 +00004115 W.printBinary("Magic", makeArrayRef(E->e_ident).slice(ELF::EI_MAG0, 4));
4116 W.printEnum("Class", E->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
4117 W.printEnum("DataEncoding", E->e_ident[ELF::EI_DATA],
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00004118 makeArrayRef(ElfDataEncoding));
George Rimar1206f5a2019-01-30 15:39:05 +00004119 W.printNumber("FileVersion", E->e_ident[ELF::EI_VERSION]);
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00004120
Konstantin Zhuravlyov121125f2017-10-02 20:49:58 +00004121 auto OSABI = makeArrayRef(ElfOSABI);
George Rimar1206f5a2019-01-30 15:39:05 +00004122 if (E->e_ident[ELF::EI_OSABI] >= ELF::ELFOSABI_FIRST_ARCH &&
4123 E->e_ident[ELF::EI_OSABI] <= ELF::ELFOSABI_LAST_ARCH) {
4124 switch (E->e_machine) {
Konstantin Zhuravlyov121125f2017-10-02 20:49:58 +00004125 case ELF::EM_AMDGPU:
4126 OSABI = makeArrayRef(AMDGPUElfOSABI);
4127 break;
4128 case ELF::EM_ARM:
4129 OSABI = makeArrayRef(ARMElfOSABI);
4130 break;
4131 case ELF::EM_TI_C6000:
4132 OSABI = makeArrayRef(C6000ElfOSABI);
4133 break;
4134 }
4135 }
George Rimar1206f5a2019-01-30 15:39:05 +00004136 W.printEnum("OS/ABI", E->e_ident[ELF::EI_OSABI], OSABI);
4137 W.printNumber("ABIVersion", E->e_ident[ELF::EI_ABIVERSION]);
4138 W.printBinary("Unused", makeArrayRef(E->e_ident).slice(ELF::EI_PAD));
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00004139 }
4140
George Rimar1206f5a2019-01-30 15:39:05 +00004141 W.printEnum("Type", E->e_type, makeArrayRef(ElfObjectFileType));
4142 W.printEnum("Machine", E->e_machine, makeArrayRef(ElfMachineType));
4143 W.printNumber("Version", E->e_version);
4144 W.printHex("Entry", E->e_entry);
4145 W.printHex("ProgramHeaderOffset", E->e_phoff);
4146 W.printHex("SectionHeaderOffset", E->e_shoff);
4147 if (E->e_machine == EM_MIPS)
4148 W.printFlags("Flags", E->e_flags, makeArrayRef(ElfHeaderMipsFlags),
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00004149 unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
4150 unsigned(ELF::EF_MIPS_MACH));
George Rimar1206f5a2019-01-30 15:39:05 +00004151 else if (E->e_machine == EM_AMDGPU)
4152 W.printFlags("Flags", E->e_flags, makeArrayRef(ElfHeaderAMDGPUFlags),
Konstantin Zhuravlyov9122a632018-02-16 22:33:59 +00004153 unsigned(ELF::EF_AMDGPU_MACH));
George Rimar1206f5a2019-01-30 15:39:05 +00004154 else if (E->e_machine == EM_RISCV)
4155 W.printFlags("Flags", E->e_flags, makeArrayRef(ElfHeaderRISCVFlags));
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00004156 else
George Rimar1206f5a2019-01-30 15:39:05 +00004157 W.printFlags("Flags", E->e_flags);
4158 W.printNumber("HeaderSize", E->e_ehsize);
4159 W.printNumber("ProgramHeaderEntrySize", E->e_phentsize);
4160 W.printNumber("ProgramHeaderCount", E->e_phnum);
4161 W.printNumber("SectionHeaderEntrySize", E->e_shentsize);
George Rimar6fdac3b2018-07-18 08:19:58 +00004162 W.printString("SectionHeaderCount", getSectionHeadersNumString(Obj));
4163 W.printString("StringTableSectionIndex", getSectionHeaderTableIndexString(Obj));
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +00004164 }
4165}
Hemant Kulkarni206ba842016-03-09 19:16:13 +00004166
4167template <class ELFT>
4168void LLVMStyle<ELFT>::printGroupSections(const ELFO *Obj) {
4169 DictScope Lists(W, "Groups");
George Rimarea39eed2017-09-14 07:32:52 +00004170 std::vector<GroupSection> V = getGroups<ELFT>(Obj);
George Rimar762abff62017-09-16 14:29:51 +00004171 DenseMap<uint64_t, const GroupSection *> Map = mapSectionsToGroups(V);
George Rimarea39eed2017-09-14 07:32:52 +00004172 for (const GroupSection &G : V) {
4173 DictScope D(W, "Group");
4174 W.printNumber("Name", G.Name, G.ShName);
4175 W.printNumber("Index", G.Index);
Alexander Shaposhnikov8febe3d2018-03-12 22:40:09 +00004176 W.printNumber("Link", G.Link);
4177 W.printNumber("Info", G.Info);
George Rimarea39eed2017-09-14 07:32:52 +00004178 W.printHex("Type", getGroupType(G.Type), G.Type);
4179 W.startLine() << "Signature: " << G.Signature << "\n";
4180
4181 ListScope L(W, "Section(s) in group");
George Rimar762abff62017-09-16 14:29:51 +00004182 for (const GroupMember &GM : G.Members) {
4183 const GroupSection *MainGroup = Map[GM.Index];
4184 if (MainGroup != &G) {
4185 W.flush();
4186 errs() << "Error: " << GM.Name << " (" << GM.Index
4187 << ") in a group " + G.Name + " (" << G.Index
4188 << ") is already in a group " + MainGroup->Name + " ("
4189 << MainGroup->Index << ")\n";
4190 errs().flush();
4191 continue;
4192 }
George Rimarea39eed2017-09-14 07:32:52 +00004193 W.startLine() << GM.Name << " (" << GM.Index << ")\n";
George Rimar762abff62017-09-16 14:29:51 +00004194 }
Hemant Kulkarni206ba842016-03-09 19:16:13 +00004195 }
George Rimarea39eed2017-09-14 07:32:52 +00004196
4197 if (V.empty())
Hemant Kulkarni206ba842016-03-09 19:16:13 +00004198 W.startLine() << "There are no group sections in the file.\n";
4199}
George Rimar762abff62017-09-16 14:29:51 +00004200
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004201template <class ELFT> void LLVMStyle<ELFT>::printRelocations(const ELFO *Obj) {
4202 ListScope D(W, "Relocations");
4203
4204 int SectionNumber = -1;
Rafael Espindola25be8c82016-11-02 14:10:57 +00004205 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004206 ++SectionNumber;
4207
Jake Ehrlich0f440d82018-06-28 21:07:34 +00004208 if (Sec.sh_type != ELF::SHT_REL &&
4209 Sec.sh_type != ELF::SHT_RELA &&
4210 Sec.sh_type != ELF::SHT_RELR &&
Peter Collingbourne689e6c052017-10-25 03:37:12 +00004211 Sec.sh_type != ELF::SHT_ANDROID_REL &&
Jake Ehrlich0f440d82018-06-28 21:07:34 +00004212 Sec.sh_type != ELF::SHT_ANDROID_RELA &&
4213 Sec.sh_type != ELF::SHT_ANDROID_RELR)
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004214 continue;
4215
4216 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
4217
4218 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
4219 W.indent();
4220
4221 printRelocations(&Sec, Obj);
4222
4223 W.unindent();
4224 W.startLine() << "}\n";
4225 }
4226}
4227
4228template <class ELFT>
4229void LLVMStyle<ELFT>::printRelocations(const Elf_Shdr *Sec, const ELFO *Obj) {
4230 const Elf_Shdr *SymTab = unwrapOrError(Obj->getSection(Sec->sh_link));
4231
4232 switch (Sec->sh_type) {
4233 case ELF::SHT_REL:
Rafael Espindola354680a2016-11-03 19:07:15 +00004234 for (const Elf_Rel &R : unwrapOrError(Obj->rels(Sec))) {
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004235 Elf_Rela Rela;
4236 Rela.r_offset = R.r_offset;
4237 Rela.r_info = R.r_info;
4238 Rela.r_addend = 0;
4239 printRelocation(Obj, Rela, SymTab);
4240 }
4241 break;
4242 case ELF::SHT_RELA:
Rafael Espindola354680a2016-11-03 19:07:15 +00004243 for (const Elf_Rela &R : unwrapOrError(Obj->relas(Sec)))
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004244 printRelocation(Obj, R, SymTab);
4245 break;
Jake Ehrlich0f440d82018-06-28 21:07:34 +00004246 case ELF::SHT_RELR:
4247 case ELF::SHT_ANDROID_RELR: {
4248 Elf_Relr_Range Relrs = unwrapOrError(Obj->relrs(Sec));
4249 if (opts::RawRelr) {
4250 for (const Elf_Relr &R : Relrs)
4251 W.startLine() << W.hex(R) << "\n";
4252 } else {
4253 std::vector<Elf_Rela> RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
4254 for (const Elf_Rela &R : RelrRelas)
4255 printRelocation(Obj, R, SymTab);
4256 }
4257 break;
4258 }
Peter Collingbourne689e6c052017-10-25 03:37:12 +00004259 case ELF::SHT_ANDROID_REL:
4260 case ELF::SHT_ANDROID_RELA:
4261 for (const Elf_Rela &R : unwrapOrError(Obj->android_relas(Sec)))
4262 printRelocation(Obj, R, SymTab);
4263 break;
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004264 }
4265}
4266
4267template <class ELFT>
4268void LLVMStyle<ELFT>::printRelocation(const ELFO *Obj, Elf_Rela Rel,
4269 const Elf_Shdr *SymTab) {
4270 SmallString<32> RelocName;
4271 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
James Hendersone50d9cb2019-01-17 15:34:12 +00004272 std::string TargetName;
Rafael Espindolaed1395a2016-11-03 18:05:33 +00004273 const Elf_Sym *Sym = unwrapOrError(Obj->getRelocationSymbol(&Rel, SymTab));
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004274 if (Sym && Sym->getType() == ELF::STT_SECTION) {
4275 const Elf_Shdr *Sec = unwrapOrError(
4276 Obj->getSection(Sym, SymTab, this->dumper()->getShndxTable()));
4277 TargetName = unwrapOrError(Obj->getSectionName(Sec));
4278 } else if (Sym) {
4279 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
James Hendersone50d9cb2019-01-17 15:34:12 +00004280 TargetName = maybeDemangle(unwrapOrError(Sym->getName(StrTable)));
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004281 }
4282
4283 if (opts::ExpandRelocs) {
4284 DictScope Group(W, "Relocation");
4285 W.printHex("Offset", Rel.r_offset);
4286 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
Eugene Zelenko416e0592017-06-09 21:41:54 +00004287 W.printNumber("Symbol", !TargetName.empty() ? TargetName : "-",
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004288 Rel.getSymbol(Obj->isMips64EL()));
4289 W.printHex("Addend", Rel.r_addend);
4290 } else {
4291 raw_ostream &OS = W.startLine();
4292 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
Eugene Zelenko416e0592017-06-09 21:41:54 +00004293 << (!TargetName.empty() ? TargetName : "-") << " "
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004294 << W.hex(Rel.r_addend) << "\n";
4295 }
4296}
4297
Jordan Rupprechtdbf552c2018-11-12 18:02:38 +00004298template <class ELFT>
4299void LLVMStyle<ELFT>::printSectionHeaders(const ELFO *Obj) {
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004300 ListScope SectionsD(W, "Sections");
4301
4302 int SectionIndex = -1;
Rafael Espindola25be8c82016-11-02 14:10:57 +00004303 for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004304 ++SectionIndex;
4305
4306 StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
4307
4308 DictScope SectionD(W, "Section");
4309 W.printNumber("Index", SectionIndex);
4310 W.printNumber("Name", Name, Sec.sh_name);
Rafael Espindola3ba25732017-05-02 14:04:52 +00004311 W.printHex(
4312 "Type",
4313 object::getELFSectionTypeName(Obj->getHeader()->e_machine, Sec.sh_type),
4314 Sec.sh_type);
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004315 std::vector<EnumEntry<unsigned>> SectionFlags(std::begin(ElfSectionFlags),
4316 std::end(ElfSectionFlags));
4317 switch (Obj->getHeader()->e_machine) {
Prakhar Bahuguna52a7dd72016-12-15 07:59:08 +00004318 case EM_ARM:
4319 SectionFlags.insert(SectionFlags.end(), std::begin(ElfARMSectionFlags),
4320 std::end(ElfARMSectionFlags));
4321 break;
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004322 case EM_HEXAGON:
4323 SectionFlags.insert(SectionFlags.end(),
4324 std::begin(ElfHexagonSectionFlags),
4325 std::end(ElfHexagonSectionFlags));
4326 break;
4327 case EM_MIPS:
4328 SectionFlags.insert(SectionFlags.end(), std::begin(ElfMipsSectionFlags),
4329 std::end(ElfMipsSectionFlags));
4330 break;
4331 case EM_X86_64:
4332 SectionFlags.insert(SectionFlags.end(), std::begin(ElfX86_64SectionFlags),
4333 std::end(ElfX86_64SectionFlags));
4334 break;
George Rimarc13c59a2016-05-21 10:16:58 +00004335 case EM_XCORE:
4336 SectionFlags.insert(SectionFlags.end(), std::begin(ElfXCoreSectionFlags),
4337 std::end(ElfXCoreSectionFlags));
4338 break;
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004339 default:
4340 // Nothing to do.
4341 break;
4342 }
4343 W.printFlags("Flags", Sec.sh_flags, makeArrayRef(SectionFlags));
4344 W.printHex("Address", Sec.sh_addr);
4345 W.printHex("Offset", Sec.sh_offset);
4346 W.printNumber("Size", Sec.sh_size);
4347 W.printNumber("Link", Sec.sh_link);
4348 W.printNumber("Info", Sec.sh_info);
4349 W.printNumber("AddressAlignment", Sec.sh_addralign);
4350 W.printNumber("EntrySize", Sec.sh_entsize);
4351
4352 if (opts::SectionRelocations) {
4353 ListScope D(W, "Relocations");
4354 printRelocations(&Sec, Obj);
4355 }
4356
4357 if (opts::SectionSymbols) {
4358 ListScope D(W, "Symbols");
4359 const Elf_Shdr *Symtab = this->dumper()->getDotSymtabSec();
4360 StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
4361
Rafael Espindola9ea68342016-11-03 13:43:30 +00004362 for (const Elf_Sym &Sym : unwrapOrError(Obj->symbols(Symtab))) {
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004363 const Elf_Shdr *SymSec = unwrapOrError(
4364 Obj->getSection(&Sym, Symtab, this->dumper()->getShndxTable()));
4365 if (SymSec == &Sec)
Rafael Espindola9ea68342016-11-03 13:43:30 +00004366 printSymbol(Obj, &Sym, unwrapOrError(Obj->symbols(Symtab)).begin(),
4367 StrTable, false);
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004368 }
4369 }
4370
4371 if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
4372 ArrayRef<uint8_t> Data = unwrapOrError(Obj->getSectionContents(&Sec));
4373 W.printBinaryBlock("SectionData",
4374 StringRef((const char *)Data.data(), Data.size()));
4375 }
4376 }
4377}
4378
4379template <class ELFT>
4380void LLVMStyle<ELFT>::printSymbol(const ELFO *Obj, const Elf_Sym *Symbol,
4381 const Elf_Sym *First, StringRef StrTable,
4382 bool IsDynamic) {
4383 unsigned SectionIndex = 0;
4384 StringRef SectionName;
Simon Atanasyan62d32592017-12-21 10:26:02 +00004385 this->dumper()->getSectionNameIndex(Symbol, First, SectionName, SectionIndex);
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004386 std::string FullSymbolName =
4387 this->dumper()->getFullSymbolName(Symbol, StrTable, IsDynamic);
4388 unsigned char SymbolType = Symbol->getType();
4389
4390 DictScope D(W, "Symbol");
4391 W.printNumber("Name", FullSymbolName, Symbol->st_name);
4392 W.printHex("Value", Symbol->st_value);
4393 W.printNumber("Size", Symbol->st_size);
4394 W.printEnum("Binding", Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
4395 if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
4396 SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
4397 W.printEnum("Type", SymbolType, makeArrayRef(AMDGPUSymbolTypes));
4398 else
4399 W.printEnum("Type", SymbolType, makeArrayRef(ElfSymbolTypes));
Simon Atanasyanb7807a02016-03-24 16:10:37 +00004400 if (Symbol->st_other == 0)
4401 // Usually st_other flag is zero. Do not pollute the output
4402 // by flags enumeration in that case.
4403 W.printNumber("Other", 0);
4404 else {
4405 std::vector<EnumEntry<unsigned>> SymOtherFlags(std::begin(ElfSymOtherFlags),
4406 std::end(ElfSymOtherFlags));
4407 if (Obj->getHeader()->e_machine == EM_MIPS) {
4408 // Someones in their infinite wisdom decided to make STO_MIPS_MIPS16
4409 // flag overlapped with other ST_MIPS_xxx flags. So consider both
4410 // cases separately.
4411 if ((Symbol->st_other & STO_MIPS_MIPS16) == STO_MIPS_MIPS16)
4412 SymOtherFlags.insert(SymOtherFlags.end(),
4413 std::begin(ElfMips16SymOtherFlags),
4414 std::end(ElfMips16SymOtherFlags));
4415 else
4416 SymOtherFlags.insert(SymOtherFlags.end(),
4417 std::begin(ElfMipsSymOtherFlags),
4418 std::end(ElfMipsSymOtherFlags));
4419 }
4420 W.printFlags("Other", Symbol->st_other, makeArrayRef(SymOtherFlags), 0x3u);
4421 }
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004422 W.printHex("Section", SectionName, SectionIndex);
4423}
4424
James Henderson21ed8682019-01-23 16:15:39 +00004425template <class ELFT>
4426void LLVMStyle<ELFT>::printSymbols(const ELFO *Obj, bool PrintSymbols,
4427 bool PrintDynamicSymbols) {
4428 if (PrintSymbols)
4429 printSymbols(Obj);
4430 if (PrintDynamicSymbols)
4431 printDynamicSymbols(Obj);
4432}
4433
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004434template <class ELFT> void LLVMStyle<ELFT>::printSymbols(const ELFO *Obj) {
4435 ListScope Group(W, "Symbols");
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00004436 this->dumper()->printSymbolsHelper(false);
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004437}
4438
4439template <class ELFT>
4440void LLVMStyle<ELFT>::printDynamicSymbols(const ELFO *Obj) {
4441 ListScope Group(W, "DynamicSymbols");
Hemant Kulkarnia11fbe12016-03-21 17:18:23 +00004442 this->dumper()->printSymbolsHelper(true);
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004443}
4444
4445template <class ELFT>
4446void LLVMStyle<ELFT>::printDynamicRelocations(const ELFO *Obj) {
4447 const DynRegionInfo &DynRelRegion = this->dumper()->getDynRelRegion();
4448 const DynRegionInfo &DynRelaRegion = this->dumper()->getDynRelaRegion();
Jake Ehrlich0f440d82018-06-28 21:07:34 +00004449 const DynRegionInfo &DynRelrRegion = this->dumper()->getDynRelrRegion();
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004450 const DynRegionInfo &DynPLTRelRegion = this->dumper()->getDynPLTRelRegion();
4451 if (DynRelRegion.Size && DynRelaRegion.Size)
4452 report_fatal_error("There are both REL and RELA dynamic relocations");
4453 W.startLine() << "Dynamic Relocations {\n";
4454 W.indent();
4455 if (DynRelaRegion.Size > 0)
4456 for (const Elf_Rela &Rela : this->dumper()->dyn_relas())
4457 printDynamicRelocation(Obj, Rela);
4458 else
4459 for (const Elf_Rel &Rel : this->dumper()->dyn_rels()) {
4460 Elf_Rela Rela;
4461 Rela.r_offset = Rel.r_offset;
4462 Rela.r_info = Rel.r_info;
4463 Rela.r_addend = 0;
4464 printDynamicRelocation(Obj, Rela);
4465 }
Jake Ehrlich0f440d82018-06-28 21:07:34 +00004466 if (DynRelrRegion.Size > 0) {
4467 Elf_Relr_Range Relrs = this->dumper()->dyn_relrs();
4468 std::vector<Elf_Rela> RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
4469 for (const Elf_Rela &Rela : RelrRelas)
4470 printDynamicRelocation(Obj, Rela);
4471 }
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004472 if (DynPLTRelRegion.EntSize == sizeof(Elf_Rela))
Rafael Espindolaaafcf752016-04-05 14:47:22 +00004473 for (const Elf_Rela &Rela : DynPLTRelRegion.getAsArrayRef<Elf_Rela>())
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004474 printDynamicRelocation(Obj, Rela);
4475 else
Rafael Espindolaaafcf752016-04-05 14:47:22 +00004476 for (const Elf_Rel &Rel : DynPLTRelRegion.getAsArrayRef<Elf_Rel>()) {
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004477 Elf_Rela Rela;
4478 Rela.r_offset = Rel.r_offset;
4479 Rela.r_info = Rel.r_info;
4480 Rela.r_addend = 0;
4481 printDynamicRelocation(Obj, Rela);
4482 }
4483 W.unindent();
4484 W.startLine() << "}\n";
4485}
4486
4487template <class ELFT>
4488void LLVMStyle<ELFT>::printDynamicRelocation(const ELFO *Obj, Elf_Rela Rel) {
4489 SmallString<32> RelocName;
4490 Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
James Hendersone50d9cb2019-01-17 15:34:12 +00004491 std::string SymbolName;
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004492 uint32_t SymIndex = Rel.getSymbol(Obj->isMips64EL());
4493 const Elf_Sym *Sym = this->dumper()->dynamic_symbols().begin() + SymIndex;
James Hendersone50d9cb2019-01-17 15:34:12 +00004494 SymbolName = maybeDemangle(
4495 unwrapOrError(Sym->getName(this->dumper()->getDynamicStringTable())));
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004496 if (opts::ExpandRelocs) {
4497 DictScope Group(W, "Relocation");
4498 W.printHex("Offset", Rel.r_offset);
4499 W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
Eugene Zelenko416e0592017-06-09 21:41:54 +00004500 W.printString("Symbol", !SymbolName.empty() ? SymbolName : "-");
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004501 W.printHex("Addend", Rel.r_addend);
4502 } else {
4503 raw_ostream &OS = W.startLine();
4504 OS << W.hex(Rel.r_offset) << " " << RelocName << " "
Eugene Zelenko416e0592017-06-09 21:41:54 +00004505 << (!SymbolName.empty() ? SymbolName : "-") << " "
Hemant Kulkarnic030f232016-03-15 17:25:31 +00004506 << W.hex(Rel.r_addend) << "\n";
4507 }
4508}
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00004509
4510template <class ELFT>
Matt Davis50ca8ed2019-02-01 18:51:10 +00004511void LLVMStyle<ELFT>::printProgramHeaders(
4512 const ELFO *Obj, bool PrintProgramHeaders,
4513 cl::boolOrDefault PrintSectionMapping) {
4514 if (PrintProgramHeaders)
4515 printProgramHeaders(Obj);
4516 if (PrintSectionMapping == cl::BOU_TRUE)
4517 printSectionMapping(Obj);
4518}
4519
4520template <class ELFT>
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00004521void LLVMStyle<ELFT>::printProgramHeaders(const ELFO *Obj) {
4522 ListScope L(W, "ProgramHeaders");
4523
Rafael Espindola6a494972016-11-03 17:28:33 +00004524 for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
Hemant Kulkarni966b3ac2016-03-25 16:04:48 +00004525 DictScope P(W, "ProgramHeader");
4526 W.printHex("Type",
4527 getElfSegmentType(Obj->getHeader()->e_machine, Phdr.p_type),
4528 Phdr.p_type);
4529 W.printHex("Offset", Phdr.p_offset);
4530 W.printHex("VirtualAddress", Phdr.p_vaddr);
4531 W.printHex("PhysicalAddress", Phdr.p_paddr);
4532 W.printNumber("FileSize", Phdr.p_filesz);
4533 W.printNumber("MemSize", Phdr.p_memsz);
4534 W.printFlags("Flags", Phdr.p_flags, makeArrayRef(ElfSegmentFlags));
4535 W.printNumber("Alignment", Phdr.p_align);
4536 }
4537}
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00004538
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +00004539template <class ELFT>
4540void LLVMStyle<ELFT>::printHashHistogram(const ELFFile<ELFT> *Obj) {
4541 W.startLine() << "Hash Histogram not implemented!\n";
4542}
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00004543
4544template <class ELFT>
Michael J. Spencerae6eeae2018-06-02 16:33:01 +00004545void LLVMStyle<ELFT>::printCGProfile(const ELFFile<ELFT> *Obj) {
4546 ListScope L(W, "CGProfile");
4547 if (!this->dumper()->getDotCGProfileSec())
4548 return;
4549 auto CGProfile =
4550 unwrapOrError(Obj->template getSectionContentsAsArray<Elf_CGProfile>(
4551 this->dumper()->getDotCGProfileSec()));
4552 for (const Elf_CGProfile &CGPE : CGProfile) {
4553 DictScope D(W, "CGProfileEntry");
4554 W.printNumber("From", this->dumper()->getStaticSymbolName(CGPE.cgp_from),
4555 CGPE.cgp_from);
4556 W.printNumber("To", this->dumper()->getStaticSymbolName(CGPE.cgp_to),
4557 CGPE.cgp_to);
4558 W.printNumber("Weight", CGPE.cgp_weight);
4559 }
4560}
4561
4562template <class ELFT>
Peter Collingbourne3e227332018-07-17 22:17:18 +00004563void LLVMStyle<ELFT>::printAddrsig(const ELFFile<ELFT> *Obj) {
4564 ListScope L(W, "Addrsig");
4565 if (!this->dumper()->getDotAddrsigSec())
4566 return;
4567 ArrayRef<uint8_t> Contents = unwrapOrError(
4568 Obj->getSectionContents(this->dumper()->getDotAddrsigSec()));
4569 const uint8_t *Cur = Contents.begin();
4570 const uint8_t *End = Contents.end();
4571 while (Cur != End) {
4572 unsigned Size;
4573 const char *Err;
Peter Collingbourne7d179082018-08-21 17:18:18 +00004574 uint64_t SymIndex = decodeULEB128(Cur, &Size, End, &Err);
Peter Collingbourne3e227332018-07-17 22:17:18 +00004575 if (Err)
4576 reportError(Err);
4577 W.printNumber("Sym", this->dumper()->getStaticSymbolName(SymIndex),
4578 SymIndex);
4579 Cur += Size;
4580 }
4581}
4582
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00004583template <typename ELFT>
4584static void printGNUNoteLLVMStyle(uint32_t NoteType,
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00004585 ArrayRef<uint8_t> Desc,
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00004586 ScopedPrinter &W) {
4587 switch (NoteType) {
4588 default:
4589 return;
4590 case ELF::NT_GNU_ABI_TAG: {
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00004591 const GNUAbiTag &AbiTag = getGNUAbiTag<ELFT>(Desc);
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00004592 if (!AbiTag.IsValid) {
4593 W.printString("ABI", "<corrupt GNU_ABI_TAG>");
4594 } else {
4595 W.printString("OS", AbiTag.OSName);
4596 W.printString("ABI", AbiTag.ABI);
4597 }
4598 break;
4599 }
4600 case ELF::NT_GNU_BUILD_ID: {
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00004601 W.printString("Build ID", getGNUBuildId(Desc));
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00004602 break;
4603 }
4604 case ELF::NT_GNU_GOLD_VERSION:
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00004605 W.printString("Version", getGNUGoldVersion(Desc));
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00004606 break;
4607 case ELF::NT_GNU_PROPERTY_TYPE_0:
4608 ListScope D(W, "Property");
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00004609 for (const auto &Property : getGNUPropertyList<ELFT>(Desc))
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00004610 W.printString(Property);
4611 break;
4612 }
4613}
4614
Peter Collingbourne3e227332018-07-17 22:17:18 +00004615template <class ELFT>
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00004616void LLVMStyle<ELFT>::printNotes(const ELFFile<ELFT> *Obj) {
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00004617 ListScope L(W, "Notes");
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00004618
4619 auto PrintHeader = [&](const typename ELFT::Off Offset,
4620 const typename ELFT::Addr Size) {
4621 W.printHex("Offset", Offset);
4622 W.printHex("Size", Size);
4623 };
4624
4625 auto ProcessNote = [&](const Elf_Note &Note) {
4626 DictScope D2(W, "Note");
4627 StringRef Name = Note.getName();
Jake Ehrlichee7ec6c2018-11-13 01:10:35 +00004628 ArrayRef<uint8_t> Descriptor = Note.getDesc();
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00004629 Elf_Word Type = Note.getType();
4630
4631 W.printString("Owner", Name);
4632 W.printHex("Data size", Descriptor.size());
4633 if (Name == "GNU") {
4634 W.printString("Type", getGNUNoteTypeName(Type));
4635 printGNUNoteLLVMStyle<ELFT>(Type, Descriptor, W);
4636 } else if (Name == "FreeBSD") {
4637 W.printString("Type", getFreeBSDNoteTypeName(Type));
4638 } else if (Name == "AMD") {
Scott Linderf5b36e52018-12-12 19:39:27 +00004639 W.printString("Type", getAMDNoteTypeName(Type));
4640 const AMDNote N = getAMDNote<ELFT>(Type, Descriptor);
4641 if (!N.Type.empty())
4642 W.printString(N.Type, N.Value);
4643 } else if (Name == "AMDGPU") {
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00004644 W.printString("Type", getAMDGPUNoteTypeName(Type));
4645 const AMDGPUNote N = getAMDGPUNote<ELFT>(Type, Descriptor);
Scott Linderf5b36e52018-12-12 19:39:27 +00004646 if (!N.Type.empty())
4647 W.printString(N.Type, N.Value);
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00004648 } else {
4649 W.getOStream() << "Unknown note type: (" << format_hex(Type, 10) << ')';
4650 }
4651 };
4652
George Rimar1206f5a2019-01-30 15:39:05 +00004653 if (Obj->getHeader()->e_type == ELF::ET_CORE) {
Jordan Rupprecht4f36c7a2018-11-07 23:53:50 +00004654 for (const auto &P : unwrapOrError(Obj->program_headers())) {
4655 if (P.p_type != PT_NOTE)
4656 continue;
4657 DictScope D(W, "NoteSection");
4658 PrintHeader(P.p_offset, P.p_filesz);
4659 Error Err = Error::success();
4660 for (const auto &Note : Obj->notes(P, Err))
4661 ProcessNote(Note);
4662 if (Err)
4663 error(std::move(Err));
4664 }
4665 } else {
4666 for (const auto &S : unwrapOrError(Obj->sections())) {
4667 if (S.sh_type != SHT_NOTE)
4668 continue;
4669 DictScope D(W, "NoteSection");
4670 PrintHeader(S.sh_offset, S.sh_size);
4671 Error Err = Error::success();
4672 for (const auto &Note : Obj->notes(S, Err))
4673 ProcessNote(Note);
4674 if (Err)
4675 error(std::move(Err));
4676 }
4677 }
Saleem Abdulrasool6a405442016-08-30 18:52:02 +00004678}
Simon Atanasyan62d32592017-12-21 10:26:02 +00004679
4680template <class ELFT>
Saleem Abdulrasoolb36fbbc2018-01-30 16:29:29 +00004681void LLVMStyle<ELFT>::printELFLinkerOptions(const ELFFile<ELFT> *Obj) {
4682 ListScope L(W, "LinkerOptions");
4683
4684 for (const Elf_Shdr &Shdr : unwrapOrError(Obj->sections())) {
4685 if (Shdr.sh_type != ELF::SHT_LLVM_LINKER_OPTIONS)
4686 continue;
4687
4688 ArrayRef<uint8_t> Contents = unwrapOrError(Obj->getSectionContents(&Shdr));
4689 for (const uint8_t *P = Contents.begin(), *E = Contents.end(); P < E; ) {
4690 StringRef Key = StringRef(reinterpret_cast<const char *>(P));
4691 StringRef Value =
4692 StringRef(reinterpret_cast<const char *>(P) + Key.size() + 1);
4693
4694 W.printString(Key, Value);
4695
4696 P = P + Key.size() + Value.size() + 2;
4697 }
4698 }
4699}
4700
4701template <class ELFT>
Simon Atanasyan62d32592017-12-21 10:26:02 +00004702void LLVMStyle<ELFT>::printMipsGOT(const MipsGOTParser<ELFT> &Parser) {
4703 auto PrintEntry = [&](const Elf_Addr *E) {
4704 W.printHex("Address", Parser.getGotAddress(E));
4705 W.printNumber("Access", Parser.getGotOffset(E));
4706 W.printHex("Initial", *E);
4707 };
4708
4709 DictScope GS(W, Parser.IsStatic ? "Static GOT" : "Primary GOT");
4710
4711 W.printHex("Canonical gp value", Parser.getGp());
4712 {
4713 ListScope RS(W, "Reserved entries");
4714 {
4715 DictScope D(W, "Entry");
4716 PrintEntry(Parser.getGotLazyResolver());
4717 W.printString("Purpose", StringRef("Lazy resolver"));
4718 }
4719
4720 if (Parser.getGotModulePointer()) {
4721 DictScope D(W, "Entry");
4722 PrintEntry(Parser.getGotModulePointer());
4723 W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
4724 }
4725 }
4726 {
4727 ListScope LS(W, "Local entries");
4728 for (auto &E : Parser.getLocalEntries()) {
4729 DictScope D(W, "Entry");
4730 PrintEntry(&E);
4731 }
4732 }
4733
4734 if (Parser.IsStatic)
4735 return;
4736
4737 {
4738 ListScope GS(W, "Global entries");
4739 for (auto &E : Parser.getGlobalEntries()) {
4740 DictScope D(W, "Entry");
4741
4742 PrintEntry(&E);
4743
4744 const Elf_Sym *Sym = Parser.getGotSym(&E);
4745 W.printHex("Value", Sym->st_value);
4746 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
4747
4748 unsigned SectionIndex = 0;
4749 StringRef SectionName;
4750 this->dumper()->getSectionNameIndex(
4751 Sym, this->dumper()->dynamic_symbols().begin(), SectionName,
4752 SectionIndex);
4753 W.printHex("Section", SectionName, SectionIndex);
4754
4755 std::string SymName = this->dumper()->getFullSymbolName(
4756 Sym, this->dumper()->getDynamicStringTable(), true);
4757 W.printNumber("Name", SymName, Sym->st_name);
4758 }
4759 }
4760
4761 W.printNumber("Number of TLS and multi-GOT entries",
Simon Atanasyan4e945b62017-12-21 10:46:20 +00004762 uint64_t(Parser.getOtherEntries().size()));
Simon Atanasyan62d32592017-12-21 10:26:02 +00004763}
4764
4765template <class ELFT>
4766void LLVMStyle<ELFT>::printMipsPLT(const MipsGOTParser<ELFT> &Parser) {
4767 auto PrintEntry = [&](const Elf_Addr *E) {
4768 W.printHex("Address", Parser.getPltAddress(E));
4769 W.printHex("Initial", *E);
4770 };
4771
4772 DictScope GS(W, "PLT GOT");
4773
4774 {
4775 ListScope RS(W, "Reserved entries");
4776 {
4777 DictScope D(W, "Entry");
4778 PrintEntry(Parser.getPltLazyResolver());
4779 W.printString("Purpose", StringRef("PLT lazy resolver"));
4780 }
4781
4782 if (auto E = Parser.getPltModulePointer()) {
4783 DictScope D(W, "Entry");
4784 PrintEntry(E);
4785 W.printString("Purpose", StringRef("Module pointer"));
4786 }
4787 }
4788 {
4789 ListScope LS(W, "Entries");
4790 for (auto &E : Parser.getPltEntries()) {
4791 DictScope D(W, "Entry");
4792 PrintEntry(&E);
4793
4794 const Elf_Sym *Sym = Parser.getPltSym(&E);
4795 W.printHex("Value", Sym->st_value);
4796 W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
4797
4798 unsigned SectionIndex = 0;
4799 StringRef SectionName;
4800 this->dumper()->getSectionNameIndex(
4801 Sym, this->dumper()->dynamic_symbols().begin(), SectionName,
4802 SectionIndex);
4803 W.printHex("Section", SectionName, SectionIndex);
4804
4805 std::string SymName =
4806 this->dumper()->getFullSymbolName(Sym, Parser.getPltStrTable(), true);
4807 W.printNumber("Name", SymName, Sym->st_name);
4808 }
4809 }
4810}