ELF.h revision d1824f2f46adbf4d64acc647aaff9956bef88d54
1f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky//===- ELF.h - ELF object file implementation -------------------*- C++ -*-===// 2f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// 3f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// The LLVM Compiler Infrastructure 4f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// 5f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// This file is distributed under the University of Illinois Open Source 6f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// License. See LICENSE.TXT for details. 7f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// 8f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky//===----------------------------------------------------------------------===// 9f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// 10f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// This file declares the ELFObjectFile template class. 11f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// 12f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky//===----------------------------------------------------------------------===// 13f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 14f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#ifndef LLVM_OBJECT_ELF_H 15f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#define LLVM_OBJECT_ELF_H 16f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 17255f89faee13dc491cb64fbeae3c763e7e2ea4e6Chandler Carruth#include "llvm/ADT/DenseMap.h" 18255f89faee13dc491cb64fbeae3c763e7e2ea4e6Chandler Carruth#include "llvm/ADT/PointerIntPair.h" 19f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/ADT/SmallVector.h" 20f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/ADT/StringSwitch.h" 21f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/ADT/Triple.h" 22f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Object/ObjectFile.h" 23f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Support/Casting.h" 24f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Support/ELF.h" 25f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Support/Endian.h" 26f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Support/ErrorHandling.h" 27f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Support/MemoryBuffer.h" 28f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Support/raw_ostream.h" 29f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include <algorithm> 30f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include <limits> 31f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include <utility> 32f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 33f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskynamespace llvm { 34f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskynamespace object { 35f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 364d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerusing support::endianness; 374d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer 38ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 39ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct ELFType { 406623730296fbe6d639058195772566ffa10e9ad2Dmitri Gribenko static const endianness TargetEndianness = target_endianness; 416623730296fbe6d639058195772566ffa10e9ad2Dmitri Gribenko static const std::size_t MaxAlignment = max_alignment; 426623730296fbe6d639058195772566ffa10e9ad2Dmitri Gribenko static const bool Is64Bits = is64Bits; 43ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer}; 44ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer 4522f3b40d0bd18f2ad092398d18195c20ceeb1befEric Christophertemplate<typename T, int max_align> 464d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct MaximumAlignment { 474d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer enum {value = AlignOf<T>::Alignment > max_align ? max_align 484d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer : AlignOf<T>::Alignment}; 494d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer}; 504d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer 51689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd// Subclasses of ELFObjectFile may need this for template instantiation 52689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurdinline std::pair<unsigned char, unsigned char> 53689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston GurdgetElfArchType(MemoryBuffer *Object) { 54689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd if (Object->getBufferSize() < ELF::EI_NIDENT) 55689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd return std::make_pair((uint8_t)ELF::ELFCLASSNONE,(uint8_t)ELF::ELFDATANONE); 56689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd return std::make_pair( (uint8_t)Object->getBufferStart()[ELF::EI_CLASS] 57689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd , (uint8_t)Object->getBufferStart()[ELF::EI_DATA]); 58689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd} 59689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd 60f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// Templates to choose Elf_Addr and Elf_Off depending on is64Bits. 614d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 62f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct ELFDataTypeTypedefHelperCommon { 63f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 644d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <uint16_t, target_endianness, 654d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<uint16_t, max_alignment>::value> Elf_Half; 66f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 674d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <uint32_t, target_endianness, 684d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<uint32_t, max_alignment>::value> Elf_Word; 69f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 704d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <int32_t, target_endianness, 714d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<int32_t, max_alignment>::value> Elf_Sword; 72f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 734d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <uint64_t, target_endianness, 744d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<uint64_t, max_alignment>::value> Elf_Xword; 75f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 764d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <int64_t, target_endianness, 774d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<int64_t, max_alignment>::value> Elf_Sxword; 78f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 79f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 80ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 81f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct ELFDataTypeTypedefHelper; 82f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 83f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky/// ELF 32bit types. 84ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 85ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 86ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct ELFDataTypeTypedefHelper<ELFT<TargetEndianness, MaxAlign, false> > 87ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer : ELFDataTypeTypedefHelperCommon<TargetEndianness, MaxAlign> { 88f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef uint32_t value_type; 89f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 90ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer <value_type, TargetEndianness, 91ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaximumAlignment<value_type, MaxAlign>::value> Elf_Addr; 92f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 93ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer <value_type, TargetEndianness, 94ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaximumAlignment<value_type, MaxAlign>::value> Elf_Off; 95f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 96f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 97f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky/// ELF 64bit types. 98ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 99ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 100ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct ELFDataTypeTypedefHelper<ELFT<TargetEndianness, MaxAlign, true> > 101ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer : ELFDataTypeTypedefHelperCommon<TargetEndianness, MaxAlign> { 102f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef uint64_t value_type; 103f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 104ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer <value_type, TargetEndianness, 105ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaximumAlignment<value_type, MaxAlign>::value> Elf_Addr; 106f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 107ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer <value_type, TargetEndianness, 108ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaximumAlignment<value_type, MaxAlign>::value> Elf_Off; 109f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 110f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 111f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// I really don't like doing this, but the alternative is copypasta. 112ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer#define LLVM_ELF_IMPORT_TYPES(ELFT) \ 113ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertypedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Addr Elf_Addr; \ 114ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertypedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Off Elf_Off; \ 115ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertypedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Half Elf_Half; \ 116ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertypedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Word Elf_Word; \ 117ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertypedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Sword Elf_Sword; \ 118ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertypedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Xword Elf_Xword; \ 119ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertypedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Sxword Elf_Sxword; 120ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer 121ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer// This is required to get template types into a macro :( 122ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer#define LLVM_ELF_COMMA , 123f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 124f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Section header. 125ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 126f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Shdr_Base; 127f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 128ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 129ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 130ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Shdr_Base<ELFT<TargetEndianness, MaxAlign, false> > { 131ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 132ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA false>) 133f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_name; // Section name (index into string table) 134f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_type; // Section type (SHT_*) 135f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_flags; // Section flags (SHF_*) 136f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr sh_addr; // Address where section is to be loaded 137f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Off sh_offset; // File offset of section data, in bytes 138f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_size; // Size of section, in bytes 139f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_link; // Section type-specific header table index link 140f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_info; // Section type-specific extra information 141f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_addralign;// Section address alignment 142f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_entsize; // Size of records contained within the section 143f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 144f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 145ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 146ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 147ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Shdr_Base<ELFT<TargetEndianness, MaxAlign, true> > { 148ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 149ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA true>) 150f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_name; // Section name (index into string table) 151f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_type; // Section type (SHT_*) 152f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword sh_flags; // Section flags (SHF_*) 153f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr sh_addr; // Address where section is to be loaded 154f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Off sh_offset; // File offset of section data, in bytes 155f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword sh_size; // Size of section, in bytes 156f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_link; // Section type-specific header table index link 157f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_info; // Section type-specific extra information 158f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword sh_addralign;// Section address alignment 159f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword sh_entsize; // Size of records contained within the section 160f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 161f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 162ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 163ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Shdr_Impl : Elf_Shdr_Base<ELFT> { 164ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer using Elf_Shdr_Base<ELFT>::sh_entsize; 165ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer using Elf_Shdr_Base<ELFT>::sh_size; 166f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 167f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky /// @brief Get the number of entities this section contains if it has any. 168f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned getEntityCount() const { 169f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sh_entsize == 0) 170f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return 0; 171f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return sh_size / sh_entsize; 172f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 173f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 174f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 175ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 176f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Sym_Base; 177f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 178ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 179ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 180ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Sym_Base<ELFT<TargetEndianness, MaxAlign, false> > { 181ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 182ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA false>) 183f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word st_name; // Symbol name (index into string table) 184f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr st_value; // Value or address associated with the symbol 185f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word st_size; // Size of the symbol 186f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char st_info; // Symbol's type and binding attributes 187f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char st_other; // Must be zero; reserved 188f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Half st_shndx; // Which section (header table index) it's defined in 189f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 190f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 191ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 192ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 193ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Sym_Base<ELFT<TargetEndianness, MaxAlign, true> > { 194ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 195ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA true>) 196f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word st_name; // Symbol name (index into string table) 197f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char st_info; // Symbol's type and binding attributes 198f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char st_other; // Must be zero; reserved 199f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Half st_shndx; // Which section (header table index) it's defined in 200f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr st_value; // Value or address associated with the symbol 201f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword st_size; // Size of the symbol 202f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 203f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 204ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 205ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Sym_Impl : Elf_Sym_Base<ELFT> { 206ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer using Elf_Sym_Base<ELFT>::st_info; 207f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 208f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // These accessors and mutators correspond to the ELF32_ST_BIND, 209f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification: 210f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char getBinding() const { return st_info >> 4; } 211f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char getType() const { return st_info & 0x0f; } 212f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setBinding(unsigned char b) { setBindingAndType(b, getType()); } 213f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setType(unsigned char t) { setBindingAndType(getBinding(), t); } 214f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setBindingAndType(unsigned char b, unsigned char t) { 215f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky st_info = (b << 4) + (t & 0x0f); 216f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 217f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 218f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2192d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Versym: This is the structure of entries in the SHT_GNU_versym section 2202d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// (.gnu.version). This structure is identical for ELF32 and ELF64. 221ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2222d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Versym_Impl { 223ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT) 2242d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vs_index; // Version index with flags (e.g. VERSYM_HIDDEN) 2252d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2262d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 227ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2282d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Verdaux_Impl; 2292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2302d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Verdef: This is the structure of entries in the SHT_GNU_verdef section 2312d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// (.gnu.version_d). This structure is identical for ELF32 and ELF64. 232ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2332d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Verdef_Impl { 234ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT) 235ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer typedef Elf_Verdaux_Impl<ELFT> Elf_Verdaux; 2362d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vd_version; // Version of this structure (e.g. VER_DEF_CURRENT) 2372d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vd_flags; // Bitwise flags (VER_DEF_*) 2382d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vd_ndx; // Version index, used in .gnu.version entries 2392d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vd_cnt; // Number of Verdaux entries 2402d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vd_hash; // Hash of name 2412d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vd_aux; // Offset to the first Verdaux entry (in bytes) 2422d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vd_next; // Offset to the next Verdef entry (in bytes) 2432d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2442d70e263c2b508bf4641273dd89a23149f6f6164David Meyer /// Get the first Verdaux entry for this Verdef. 2452d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Verdaux *getAux() const { 2462d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return reinterpret_cast<const Elf_Verdaux*>((const char*)this + vd_aux); 2472d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 2482d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2492d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 250d9b0b025612992a0b724eeca8bdf10b1d7a5c355Benjamin Kramer/// Elf_Verdaux: This is the structure of auxiliary data in the SHT_GNU_verdef 2512d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// section (.gnu.version_d). This structure is identical for ELF32 and ELF64. 252ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2532d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Verdaux_Impl { 254ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT) 2552d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vda_name; // Version name (offset in string table) 2562d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vda_next; // Offset to next Verdaux entry (in bytes) 2572d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2582d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2592d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Verneed: This is the structure of entries in the SHT_GNU_verneed 2602d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// section (.gnu.version_r). This structure is identical for ELF32 and ELF64. 261ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2622d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Verneed_Impl { 263ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT) 2642d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vn_version; // Version of this structure (e.g. VER_NEED_CURRENT) 2652d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vn_cnt; // Number of associated Vernaux entries 2662d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vn_file; // Library name (string table offset) 2672d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vn_aux; // Offset to first Vernaux entry (in bytes) 2682d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vn_next; // Offset to next Verneed entry (in bytes) 2692d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2702d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2712d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Vernaux: This is the structure of auxiliary data in SHT_GNU_verneed 2722d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// section (.gnu.version_r). This structure is identical for ELF32 and ELF64. 273ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2742d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Vernaux_Impl { 275ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT) 2762d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vna_hash; // Hash of dependency name 2772d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vna_flags; // Bitwise Flags (VER_FLAG_*) 2782d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vna_other; // Version index, used in .gnu.version entries 2792d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vna_name; // Dependency name 2802d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vna_next; // Offset to next Vernaux entry (in bytes) 2812d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2822d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2832d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Dyn_Base: This structure matches the form of entries in the dynamic 2842d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// table section (.dynamic) look like. 285ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2865c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerstruct Elf_Dyn_Base; 2875c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 288ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 289ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 290ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Dyn_Base<ELFT<TargetEndianness, MaxAlign, false> > { 291ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 292ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA false>) 2935c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Sword d_tag; 2945c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer union { 2955c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Word d_val; 2965c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Addr d_ptr; 2975c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } d_un; 2985c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer}; 2995c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 300ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 301ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 302ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Dyn_Base<ELFT<TargetEndianness, MaxAlign, true> > { 303ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 304ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA true>) 3055c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Sxword d_tag; 3065c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer union { 3075c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Xword d_val; 3085c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Addr d_ptr; 3095c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } d_un; 3105c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer}; 3115c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3122d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Dyn_Impl: This inherits from Elf_Dyn_Base, adding getters and setters. 313ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 314ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Dyn_Impl : Elf_Dyn_Base<ELFT> { 315ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer using Elf_Dyn_Base<ELFT>::d_tag; 316ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer using Elf_Dyn_Base<ELFT>::d_un; 3175c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer int64_t getTag() const { return d_tag; } 3185c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer uint64_t getVal() const { return d_un.d_val; } 3195c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer uint64_t getPtr() const { return d_un.ptr; } 3205c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer}; 3215c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3225c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer// Elf_Rel: Elf Relocation 323ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT, bool isRela> 324f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Rel_Base; 325f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 326ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 327ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 328ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, false>, false> { 329ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 330ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA false>) 331f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr r_offset; // Location (file byte offset, or program virtual addr) 332f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word r_info; // Symbol table index and type of relocation to apply 333f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 334f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 335ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 336ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 337ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, true>, false> { 338ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 339ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA true>) 340f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr r_offset; // Location (file byte offset, or program virtual addr) 341f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword r_info; // Symbol table index and type of relocation to apply 342f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 343f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 344ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 345ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 346ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, false>, true> { 347ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 348ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA false>) 349f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr r_offset; // Location (file byte offset, or program virtual addr) 350f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word r_info; // Symbol table index and type of relocation to apply 351f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Sword r_addend; // Compute value for relocatable field by adding this 352f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 353f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 354ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 355ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 356ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, true>, true> { 357ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 358ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA true>) 359f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr r_offset; // Location (file byte offset, or program virtual addr) 360f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword r_info; // Symbol table index and type of relocation to apply 361f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Sxword r_addend; // Compute value for relocatable field by adding this. 362f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 363f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 364ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT, bool isRela> 365f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Rel_Impl; 366f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 367ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 368ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign, bool isRela> 369ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Rel_Impl<ELFT<TargetEndianness, MaxAlign, true>, isRela> 370ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer : Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, true>, isRela> { 371ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer using Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, true>, isRela>::r_info; 372ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 373ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA true>) 374f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 375f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, 376f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // and ELF64_R_INFO macros defined in the ELF specification: 3770b740236b71f0f3811421885c04cc43130f88befTim Northover uint32_t getSymbol() const { return (uint32_t) (r_info >> 32); } 3780b740236b71f0f3811421885c04cc43130f88befTim Northover uint32_t getType() const { 3790b740236b71f0f3811421885c04cc43130f88befTim Northover return (uint32_t) (r_info & 0xffffffffL); 380f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 3810b740236b71f0f3811421885c04cc43130f88befTim Northover void setSymbol(uint32_t s) { setSymbolAndType(s, getType()); } 3820b740236b71f0f3811421885c04cc43130f88befTim Northover void setType(uint32_t t) { setSymbolAndType(getSymbol(), t); } 3830b740236b71f0f3811421885c04cc43130f88befTim Northover void setSymbolAndType(uint32_t s, uint32_t t) { 3840b740236b71f0f3811421885c04cc43130f88befTim Northover r_info = ((uint64_t)s << 32) + (t&0xffffffffL); 385f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 386f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 387f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 388ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 389ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign, bool isRela> 390ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Rel_Impl<ELFT<TargetEndianness, MaxAlign, false>, isRela> 391ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer : Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, false>, isRela> { 392ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer using Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, false>, isRela>::r_info; 393ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 394ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA false>) 395f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 396f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE, 397f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // and ELF32_R_INFO macros defined in the ELF specification: 398f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint32_t getSymbol() const { return (r_info >> 8); } 399f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); } 400f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setSymbol(uint32_t s) { setSymbolAndType(s, getType()); } 401f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } 402f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setSymbolAndType(uint32_t s, unsigned char t) { 403f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky r_info = (s << 8) + t; 404f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 405f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 406f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 407ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 4082c38a6615a693d0a43159825da2358126473502bMichael J. Spencerstruct Elf_Ehdr_Impl { 409ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT) 4102c38a6615a693d0a43159825da2358126473502bMichael J. Spencer unsigned char e_ident[ELF::EI_NIDENT]; // ELF Identification bytes 4112c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_type; // Type of file (see ET_*) 4122c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_machine; // Required architecture for this file (see EM_*) 4132c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Word e_version; // Must be equal to 1 4142c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Addr e_entry; // Address to jump to in order to start program 4152c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Off e_phoff; // Program header table's file offset, in bytes 4162c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Off e_shoff; // Section header table's file offset, in bytes 4172c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Word e_flags; // Processor-specific flags 4182c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_ehsize; // Size of ELF header, in bytes 4192c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_phentsize;// Size of an entry in the program header table 4202c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_phnum; // Number of entries in the program header table 4212c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_shentsize;// Size of an entry in the section header table 4222c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_shnum; // Number of entries in the section header table 4232c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_shstrndx; // Section header table index of section name 4242c38a6615a693d0a43159825da2358126473502bMichael J. Spencer // string table 4252c38a6615a693d0a43159825da2358126473502bMichael J. Spencer bool checkMagic() const { 4262c38a6615a693d0a43159825da2358126473502bMichael J. Spencer return (memcmp(e_ident, ELF::ElfMagic, strlen(ELF::ElfMagic))) == 0; 4272c38a6615a693d0a43159825da2358126473502bMichael J. Spencer } 4282c38a6615a693d0a43159825da2358126473502bMichael J. Spencer unsigned char getFileClass() const { return e_ident[ELF::EI_CLASS]; } 4292c38a6615a693d0a43159825da2358126473502bMichael J. Spencer unsigned char getDataEncoding() const { return e_ident[ELF::EI_DATA]; } 4302c38a6615a693d0a43159825da2358126473502bMichael J. Spencer}; 431f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 432ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 4333e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencerstruct Elf_Phdr_Impl; 434a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni 435ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 436ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 437ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Phdr_Impl<ELFT<TargetEndianness, MaxAlign, false> > { 438ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 439ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA false>) 440a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_type; // Type of segment 441a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Off p_offset; // FileOffset where segment is located, in bytes 4424d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer Elf_Addr p_vaddr; // Virtual Address of beginning of segment 443a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific) 444a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_filesz; // Num. of bytes in file image of segment (may be zero) 445a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_memsz; // Num. of bytes in mem image of segment (may be zero) 446a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_flags; // Segment flags 447a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_align; // Segment alignment constraint 448a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni}; 449a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni 450ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<template<endianness, std::size_t, bool> class ELFT, 451ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer endianness TargetEndianness, std::size_t MaxAlign> 452ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerstruct Elf_Phdr_Impl<ELFT<TargetEndianness, MaxAlign, true> > { 453ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA 454ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer MaxAlign LLVM_ELF_COMMA true>) 455a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_type; // Type of segment 456a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_flags; // Segment flags 457a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Off p_offset; // FileOffset where segment is located, in bytes 4584d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer Elf_Addr p_vaddr; // Virtual Address of beginning of segment 459a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific) 46095abfbe8e9567e08188ada7d29f589f08e539bd6Michael J. Spencer Elf_Xword p_filesz; // Num. of bytes in file image of segment (may be zero) 46195abfbe8e9567e08188ada7d29f589f08e539bd6Michael J. Spencer Elf_Xword p_memsz; // Num. of bytes in mem image of segment (may be zero) 46295abfbe8e9567e08188ada7d29f589f08e539bd6Michael J. Spencer Elf_Xword p_align; // Segment alignment constraint 463a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni}; 464a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni 465ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 466f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyclass ELFObjectFile : public ObjectFile { 467ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LLVM_ELF_IMPORT_TYPES(ELFT) 468ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer 4699b7ca410621f6988b2d4203b90058dd4252848a8Sid Manningpublic: 470fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer /// \brief Iterate over constant sized entities. 471fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer template<class EntT> 472fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer class ELFEntityIterator { 4739b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning public: 4749b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef void difference_type; 475fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer typedef EntT value_type; 4769b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef std::forward_iterator_tag iterator_category; 4779b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef value_type &reference; 4789b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef value_type *pointer; 4799b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 4809b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning /// \brief Default construct iterator. 481fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer ELFEntityIterator() : EntitySize(0), Current(0) {} 482fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer ELFEntityIterator(uint64_t EntSize, const char *Start) 483fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer : EntitySize(EntSize) 4849b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning , Current(Start) {} 4859b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 4869b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning reference operator *() { 4879b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning assert(Current && "Attempted to dereference an invalid iterator!"); 488fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return *reinterpret_cast<pointer>(Current); 4899b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 4909b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 4919b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning pointer operator ->() { 4929b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning assert(Current && "Attempted to dereference an invalid iterator!"); 493fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return reinterpret_cast<pointer>(Current); 4949b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 4959b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 496fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer bool operator ==(const ELFEntityIterator &Other) { 497fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return Current == Other.Current; 4989b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 4999b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 500fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer bool operator !=(const ELFEntityIterator &Other) { 5019b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return !(*this == Other); 5029b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5039b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 504fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer ELFEntityIterator &operator ++() { 5059b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning assert(Current && "Attempted to increment an invalid iterator!"); 506fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer Current += EntitySize; 5079b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return *this; 5089b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5099b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 510fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer ELFEntityIterator operator ++(int) { 511fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer ELFEntityIterator Tmp = *this; 5129b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning ++*this; 5139b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return Tmp; 5149b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5159b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 516def0c1f756562601829364e3fca4bd1f0407316eMichael J. Spencer const char *get() const { return Current; } 517def0c1f756562601829364e3fca4bd1f0407316eMichael J. Spencer 5189b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning private: 519fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer const uint64_t EntitySize; 5209b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning const char *Current; 5219b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning }; 5229b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 523945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef Elf_Ehdr_Impl<ELFT> Elf_Ehdr; 524945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef Elf_Shdr_Impl<ELFT> Elf_Shdr; 525945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef Elf_Sym_Impl<ELFT> Elf_Sym; 526945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef Elf_Dyn_Impl<ELFT> Elf_Dyn; 527945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef Elf_Phdr_Impl<ELFT> Elf_Phdr; 528945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef Elf_Rel_Impl<ELFT, false> Elf_Rel; 529945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef Elf_Rel_Impl<ELFT, true> Elf_Rela; 530945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef Elf_Verdef_Impl<ELFT> Elf_Verdef; 531945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef Elf_Verdaux_Impl<ELFT> Elf_Verdaux; 532945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef Elf_Verneed_Impl<ELFT> Elf_Verneed; 533945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef Elf_Vernaux_Impl<ELFT> Elf_Vernaux; 534945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef Elf_Versym_Impl<ELFT> Elf_Versym; 5352e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer typedef ELFEntityIterator<const Elf_Dyn> Elf_Dyn_iterator; 5362e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer typedef ELFEntityIterator<const Elf_Sym> Elf_Sym_iterator; 5372e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer typedef ELFEntityIterator<const Elf_Rela> Elf_Rela_Iter; 5382e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer typedef ELFEntityIterator<const Elf_Rel> Elf_Rel_Iter; 539945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer 540945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencerprotected: 541945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer // This flag is used for classof, to distinguish ELFObjectFile from 542945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer // its subclass. If more subclasses will be created, this flag will 543945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer // have to become an enum. 544945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer bool isDyldELFObject; 545945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer 546945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencerprivate: 5472e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer typedef SmallVector<const Elf_Shdr *, 2> Sections_t; 548945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef DenseMap<unsigned, unsigned> IndexMap_t; 549945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer typedef DenseMap<const Elf_Shdr*, SmallVector<uint32_t, 1> > RelocMap_t; 550945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer 551945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer const Elf_Ehdr *Header; 552945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer const Elf_Shdr *SectionHeaderTable; 553945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer const Elf_Shdr *dot_shstrtab_sec; // Section header string table. 554945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer const Elf_Shdr *dot_strtab_sec; // Symbol header string table. 555945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer const Elf_Shdr *dot_dynstr_sec; // Dynamic symbol string table. 556945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer 557945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer // SymbolTableSections[0] always points to the dynamic string table section 558945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer // header, or NULL if there is no dynamic string table. 559945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer Sections_t SymbolTableSections; 560945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer IndexMap_t SymbolTableSectionsIndexMap; 561945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer DenseMap<const Elf_Sym*, ELF::Elf64_Word> ExtendedSymbolTable; 562945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer 563945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer const Elf_Shdr *dot_dynamic_sec; // .dynamic 564945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer const Elf_Shdr *dot_gnu_version_sec; // .gnu.version 565945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer const Elf_Shdr *dot_gnu_version_r_sec; // .gnu.version_r 566945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer const Elf_Shdr *dot_gnu_version_d_sec; // .gnu.version_d 567945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer 568945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer // Pointer to SONAME entry in dynamic string table 569945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer // This is set the first time getLoadName is called. 570945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer mutable const char *dt_soname; 571945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer 572945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencerprivate: 5732d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Records for each version index the corresponding Verdef or Vernaux entry. 5742d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // This is filled the first time LoadVersionMap() is called. 5752d70e263c2b508bf4641273dd89a23149f6f6164David Meyer class VersionMapEntry : public PointerIntPair<const void*, 1> { 5762d70e263c2b508bf4641273dd89a23149f6f6164David Meyer public: 5772d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // If the integer is 0, this is an Elf_Verdef*. 5782d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // If the integer is 1, this is an Elf_Vernaux*. 5792d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMapEntry() : PointerIntPair<const void*, 1>(NULL, 0) { } 5802d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMapEntry(const Elf_Verdef *verdef) 5812d70e263c2b508bf4641273dd89a23149f6f6164David Meyer : PointerIntPair<const void*, 1>(verdef, 0) { } 5822d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMapEntry(const Elf_Vernaux *vernaux) 5832d70e263c2b508bf4641273dd89a23149f6f6164David Meyer : PointerIntPair<const void*, 1>(vernaux, 1) { } 5842d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool isNull() const { return getPointer() == NULL; } 5852d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool isVerdef() const { return !isNull() && getInt() == 0; } 5862d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool isVernaux() const { return !isNull() && getInt() == 1; } 5872d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Verdef *getVerdef() const { 5882d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return isVerdef() ? (const Elf_Verdef*)getPointer() : NULL; 5892d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 5902d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Vernaux *getVernaux() const { 5912d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return isVernaux() ? (const Elf_Vernaux*)getPointer() : NULL; 5922d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 5932d70e263c2b508bf4641273dd89a23149f6f6164David Meyer }; 5942d70e263c2b508bf4641273dd89a23149f6f6164David Meyer mutable SmallVector<VersionMapEntry, 16> VersionMap; 5952d70e263c2b508bf4641273dd89a23149f6f6164David Meyer void LoadVersionDefs(const Elf_Shdr *sec) const; 5962d70e263c2b508bf4641273dd89a23149f6f6164David Meyer void LoadVersionNeeds(const Elf_Shdr *ec) const; 5972d70e263c2b508bf4641273dd89a23149f6f6164David Meyer void LoadVersionMap() const; 5982d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 599f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky /// @brief Map sections to an array of relocation sections that reference 600f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky /// them sorted by section index. 601f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelocMap_t SectionRelocMap; 602f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 603f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky /// @brief Get the relocation section that contains \a Rel. 604f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *getRelSection(DataRefImpl Rel) const { 605f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getSection(Rel.w.b); 606f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 607f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 608f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool isRelocationHasAddend(DataRefImpl Rel) const; 609f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky template<typename T> 610f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const T *getEntry(uint16_t Section, uint32_t Entry) const; 611f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky template<typename T> 612f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const T *getEntry(const Elf_Shdr *Section, uint32_t Entry) const; 613f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *getSection(DataRefImpl index) const; 614f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *getSection(uint32_t index) const; 615f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Rel *getRel(DataRefImpl Rel) const; 616f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Rela *getRela(DataRefImpl Rela) const; 617f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const char *getString(uint32_t section, uint32_t offset) const; 618f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const char *getString(const Elf_Shdr *section, uint32_t offset) const; 6192d70e263c2b508bf4641273dd89a23149f6f6164David Meyer error_code getSymbolVersion(const Elf_Shdr *section, 6202d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Sym *Symb, 6212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef &Version, 6222d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) const; 623dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer void VerifyStrTab(const Elf_Shdr *sh) const; 624f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 625f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyprotected: 626f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *getSymbol(DataRefImpl Symb) const; // FIXME: Should be private? 627f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void validateSymbol(DataRefImpl Symb) const; 628f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 6295c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerpublic: 6309dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta error_code getSymbolName(const Elf_Shdr *section, 6319dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta const Elf_Sym *Symb, 6329dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Res) const; 6339dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta error_code getSectionName(const Elf_Shdr *section, 6349dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Res) const; 6355c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer const Elf_Dyn *getDyn(DataRefImpl DynData) const; 6362d70e263c2b508bf4641273dd89a23149f6f6164David Meyer error_code getSymbolVersion(SymbolRef Symb, StringRef &Version, 6372d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) const; 638f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran uint64_t getSymbolIndex(const Elf_Sym *sym) const; 639f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyprotected: 640f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const; 641f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const; 642f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res) const; 643f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const; 644f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const; 645f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const; 646c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer virtual error_code getSymbolFlags(DataRefImpl Symb, uint32_t &Res) const; 647f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolType(DataRefImpl Symb, SymbolRef::Type &Res) const; 648f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolSection(DataRefImpl Symb, 649f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky section_iterator &Res) const; 650a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const; 651f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 6525c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual error_code getLibraryNext(DataRefImpl Data, LibraryRef &Result) const; 6535c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual error_code getLibraryPath(DataRefImpl Data, StringRef &Res) const; 6545c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 655f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const; 656f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const; 657f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const; 658f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const; 659f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const; 660f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const; 661f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const; 662f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const; 663f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const; 664c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd virtual error_code isSectionRequiredForExecution(DataRefImpl Sec, 665c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd bool &Res) const; 666c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const; 667c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const; 6683a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor virtual error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const; 669f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb, 670f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool &Result) const; 671f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const; 672f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const; 673f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 674f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationNext(DataRefImpl Rel, 675f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelocationRef &Res) const; 676f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationAddress(DataRefImpl Rel, 677f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Res) const; 678f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationOffset(DataRefImpl Rel, 679f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Res) const; 680f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationSymbol(DataRefImpl Rel, 681f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolRef &Res) const; 682f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationType(DataRefImpl Rel, 683f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Res) const; 684f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationTypeName(DataRefImpl Rel, 685f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SmallVectorImpl<char> &Result) const; 686f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel, 687f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky int64_t &Res) const; 688f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationValueString(DataRefImpl Rel, 689f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SmallVectorImpl<char> &Result) const; 690f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 691f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskypublic: 692f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELFObjectFile(MemoryBuffer *Object, error_code &ec); 693f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual symbol_iterator begin_symbols() const; 694f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual symbol_iterator end_symbols() const; 6955c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 696dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer virtual symbol_iterator begin_dynamic_symbols() const; 697dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer virtual symbol_iterator end_dynamic_symbols() const; 6985c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 699f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual section_iterator begin_sections() const; 700f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual section_iterator end_sections() const; 701f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 7025c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual library_iterator begin_libraries_needed() const; 7035c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual library_iterator end_libraries_needed() const; 7045c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 705d1824f2f46adbf4d64acc647aaff9956bef88d54Michael J. Spencer const Elf_Shdr *getDynamicSymbolTableSectionHeader() const { 706d1824f2f46adbf4d64acc647aaff9956bef88d54Michael J. Spencer return SymbolTableSections[0]; 707d1824f2f46adbf4d64acc647aaff9956bef88d54Michael J. Spencer } 708d1824f2f46adbf4d64acc647aaff9956bef88d54Michael J. Spencer 7092e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer Elf_Dyn_iterator begin_dynamic_table() const; 7102e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer Elf_Dyn_iterator end_dynamic_table() const; 7115c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 7122e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer Elf_Sym_iterator begin_elf_dynamic_symbols() const { 7132e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer const Elf_Shdr *DynSymtab = SymbolTableSections[0]; 7142e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer if (DynSymtab) 7152e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer return Elf_Sym_iterator(DynSymtab->sh_entsize, 7162e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer (const char *)base() + DynSymtab->sh_offset); 7172e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer return Elf_Sym_iterator(0, 0); 7182e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer } 7192e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer 7202e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer Elf_Sym_iterator end_elf_dynamic_symbols() const { 7212e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer const Elf_Shdr *DynSymtab = SymbolTableSections[0]; 7222e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer if (DynSymtab) 7232e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer return Elf_Sym_iterator(DynSymtab->sh_entsize, (const char *)base() + 7242e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer DynSymtab->sh_offset + DynSymtab->sh_size); 7252e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer return Elf_Sym_iterator(0, 0); 7262e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer } 7279b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 728fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer Elf_Rela_Iter beginELFRela(const Elf_Shdr *sec) const { 729fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return Elf_Rela_Iter(sec->sh_entsize, 730fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer (const char *)(base() + sec->sh_offset)); 731419e5b9d4f8bd0e0724b7b2c2d8df0f534bc8d8dRichard Smith } 7329b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 733fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer Elf_Rela_Iter endELFRela(const Elf_Shdr *sec) const { 734fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return Elf_Rela_Iter(sec->sh_entsize, (const char *) 7359b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning (base() + sec->sh_offset + sec->sh_size)); 736419e5b9d4f8bd0e0724b7b2c2d8df0f534bc8d8dRichard Smith } 7379b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 738fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer Elf_Rel_Iter beginELFRel(const Elf_Shdr *sec) const { 739fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return Elf_Rel_Iter(sec->sh_entsize, 740fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer (const char *)(base() + sec->sh_offset)); 741419e5b9d4f8bd0e0724b7b2c2d8df0f534bc8d8dRichard Smith } 7429b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 743fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer Elf_Rel_Iter endELFRel(const Elf_Shdr *sec) const { 744fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return Elf_Rel_Iter(sec->sh_entsize, (const char *) 7459b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning (base() + sec->sh_offset + sec->sh_size)); 746419e5b9d4f8bd0e0724b7b2c2d8df0f534bc8d8dRichard Smith } 7479b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 7483e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer /// \brief Iterate over program header table. 7493e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer typedef ELFEntityIterator<const Elf_Phdr> Elf_Phdr_Iter; 7503e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer 7513e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer Elf_Phdr_Iter begin_program_headers() const { 7523e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer return Elf_Phdr_Iter(Header->e_phentsize, 7533e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer (const char*)base() + Header->e_phoff); 7543e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer } 7553e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer 7563e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer Elf_Phdr_Iter end_program_headers() const { 7573e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer return Elf_Phdr_Iter(Header->e_phentsize, 7583e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer (const char*)base() + 7593e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer Header->e_phoff + 7603e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer (Header->e_phnum * Header->e_phentsize)); 7613e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer } 7623e5d8ade393d347a1483bf39d48ffebe9541b2b0Michael J. Spencer 763f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual uint8_t getBytesInAddress() const; 764f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual StringRef getFileFormatName() const; 7652d70e263c2b508bf4641273dd89a23149f6f6164David Meyer virtual StringRef getObjectType() const { return "ELF"; } 766f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual unsigned getArch() const; 76797f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer virtual StringRef getLoadName() const; 7689dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta virtual error_code getSectionContents(const Elf_Shdr *sec, 7699dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Res) const; 770f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 771f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t getNumSections() const; 772f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t getStringTableIndex() const; 773f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELF::Elf64_Word getSymbolTableIndex(const Elf_Sym *symb) const; 774f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *getSection(const Elf_Sym *symb) const; 7759dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta const Elf_Shdr *getElfSection(section_iterator &It) const; 7769dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta const Elf_Sym *getElfSymbol(symbol_iterator &It) const; 7779b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning const Elf_Sym *getElfSymbol(uint32_t index) const; 778f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 779f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Methods for type inquiry through isa, cast, and dyn_cast 780f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool isDyldType() const { return isDyldELFObject; } 781f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky static inline bool classof(const Binary *v) { 7826623730296fbe6d639058195772566ffa10e9ad2Dmitri Gribenko return v->getType() == getELFType(ELFT::TargetEndianness == support::little, 783ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer ELFT::Is64Bits); 784f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 785f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 786f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 7872d70e263c2b508bf4641273dd89a23149f6f6164David Meyer// Iterate through the version definitions, and place each Elf_Verdef 7882d70e263c2b508bf4641273dd89a23149f6f6164David Meyer// in the VersionMap according to its index. 789ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 790ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencervoid ELFObjectFile<ELFT>::LoadVersionDefs(const Elf_Shdr *sec) const { 7912d70e263c2b508bf4641273dd89a23149f6f6164David Meyer unsigned vd_size = sec->sh_size; // Size of section in bytes 7922d70e263c2b508bf4641273dd89a23149f6f6164David Meyer unsigned vd_count = sec->sh_info; // Number of Verdef entries 7932d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_start = (const char*)base() + sec->sh_offset; 7942d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_end = sec_start + vd_size; 7952d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // The first Verdef entry is at the start of the section. 7962d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *p = sec_start; 7972d70e263c2b508bf4641273dd89a23149f6f6164David Meyer for (unsigned i = 0; i < vd_count; i++) { 7982d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (p + sizeof(Elf_Verdef) > sec_end) 7992d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Section ended unexpectedly while scanning " 8002d70e263c2b508bf4641273dd89a23149f6f6164David Meyer "version definitions."); 8012d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Verdef *vd = reinterpret_cast<const Elf_Verdef *>(p); 8022d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (vd->vd_version != ELF::VER_DEF_CURRENT) 8032d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Unexpected verdef version"); 8042d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t index = vd->vd_ndx & ELF::VERSYM_VERSION; 8052d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (index >= VersionMap.size()) 8062d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap.resize(index+1); 8072d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap[index] = VersionMapEntry(vd); 8082d70e263c2b508bf4641273dd89a23149f6f6164David Meyer p += vd->vd_next; 8092d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 8102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 8112d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8122d70e263c2b508bf4641273dd89a23149f6f6164David Meyer// Iterate through the versions needed section, and place each Elf_Vernaux 8132d70e263c2b508bf4641273dd89a23149f6f6164David Meyer// in the VersionMap according to its index. 814ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 815ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencervoid ELFObjectFile<ELFT>::LoadVersionNeeds(const Elf_Shdr *sec) const { 8162d70e263c2b508bf4641273dd89a23149f6f6164David Meyer unsigned vn_size = sec->sh_size; // Size of section in bytes 8172d70e263c2b508bf4641273dd89a23149f6f6164David Meyer unsigned vn_count = sec->sh_info; // Number of Verneed entries 8182d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_start = (const char*)base() + sec->sh_offset; 8192d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_end = sec_start + vn_size; 8202d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // The first Verneed entry is at the start of the section. 8212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *p = sec_start; 8222d70e263c2b508bf4641273dd89a23149f6f6164David Meyer for (unsigned i = 0; i < vn_count; i++) { 8232d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (p + sizeof(Elf_Verneed) > sec_end) 8242d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Section ended unexpectedly while scanning " 8252d70e263c2b508bf4641273dd89a23149f6f6164David Meyer "version needed records."); 8262d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Verneed *vn = reinterpret_cast<const Elf_Verneed *>(p); 8272d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (vn->vn_version != ELF::VER_NEED_CURRENT) 8282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Unexpected verneed version"); 8292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Iterate through the Vernaux entries 8302d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *paux = p + vn->vn_aux; 8312d70e263c2b508bf4641273dd89a23149f6f6164David Meyer for (unsigned j = 0; j < vn->vn_cnt; j++) { 8322d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (paux + sizeof(Elf_Vernaux) > sec_end) 8332d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Section ended unexpected while scanning auxiliary " 8342d70e263c2b508bf4641273dd89a23149f6f6164David Meyer "version needed records."); 8352d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Vernaux *vna = reinterpret_cast<const Elf_Vernaux *>(paux); 8362d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t index = vna->vna_other & ELF::VERSYM_VERSION; 8372d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (index >= VersionMap.size()) 8382d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap.resize(index+1); 8392d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap[index] = VersionMapEntry(vna); 8402d70e263c2b508bf4641273dd89a23149f6f6164David Meyer paux += vna->vna_next; 8412d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 8422d70e263c2b508bf4641273dd89a23149f6f6164David Meyer p += vn->vn_next; 8432d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 8442d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 8452d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 846ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 847ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencervoid ELFObjectFile<ELFT>::LoadVersionMap() const { 8482d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // If there is no dynamic symtab or version table, there is nothing to do. 8492d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (SymbolTableSections[0] == NULL || dot_gnu_version_sec == NULL) 8502d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return; 8512d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8522d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Has the VersionMap already been loaded? 8532d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (VersionMap.size() > 0) 8542d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return; 8552d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8562d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // The first two version indexes are reserved. 8572d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Index 0 is LOCAL, index 1 is GLOBAL. 8582d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap.push_back(VersionMapEntry()); 8592d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap.push_back(VersionMapEntry()); 8602d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8612d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_d_sec) 8622d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionDefs(dot_gnu_version_d_sec); 8632d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8642d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_r_sec) 8652d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionNeeds(dot_gnu_version_r_sec); 8662d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 8672d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 868ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 869ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencervoid ELFObjectFile<ELFT>::validateSymbol(DataRefImpl Symb) const { 870f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 871f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *SymbolTableSection = SymbolTableSections[Symb.d.b]; 872f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: We really need to do proper error handling in the case of an invalid 873f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // input file. Because we don't use exceptions, I think we'll just pass 874f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // an error object around. 875f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (!( symb 876f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && SymbolTableSection 877f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && symb >= (const Elf_Sym*)(base() 878f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + SymbolTableSection->sh_offset) 879f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && symb < (const Elf_Sym*)(base() 880f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + SymbolTableSection->sh_offset 881f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + SymbolTableSection->sh_size))) 882f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 883f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Symb must point to a valid symbol!"); 884f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 885f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 886ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 887ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolNext(DataRefImpl Symb, 888ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer SymbolRef &Result) const { 889f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 890f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *SymbolTableSection = SymbolTableSections[Symb.d.b]; 891f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 892f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++Symb.d.a; 893f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Check to see if we are at the end of this symbol table. 894f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Symb.d.a >= SymbolTableSection->getEntityCount()) { 895f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // We are at the end. If there are other symbol tables, jump to them. 896dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // If the symbol table is .dynsym, we are iterating dynamic symbols, 897dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // and there is only one table of these. 898dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (Symb.d.b != 0) { 899dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer ++Symb.d.b; 900dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer Symb.d.a = 1; // The 0th symbol in ELF is fake. 901dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } 902f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Otherwise return the terminator. 903dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (Symb.d.b == 0 || Symb.d.b >= SymbolTableSections.size()) { 904f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Symb.d.a = std::numeric_limits<uint32_t>::max(); 905f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Symb.d.b = std::numeric_limits<uint32_t>::max(); 906f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 907f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 908f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 909f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef(Symb, this); 910f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 911f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 912f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 913ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 914ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolName(DataRefImpl Symb, 915ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer StringRef &Result) const { 916f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 917f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 918dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer return getSymbolName(SymbolTableSections[Symb.d.b], symb, Result); 919f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 920f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 921ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 922ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolVersion(SymbolRef SymRef, 923ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer StringRef &Version, 924ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer bool &IsDefault) const { 9252d70e263c2b508bf4641273dd89a23149f6f6164David Meyer DataRefImpl Symb = SymRef.getRawDataRefImpl(); 9262d70e263c2b508bf4641273dd89a23149f6f6164David Meyer validateSymbol(Symb); 9272d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Sym *symb = getSymbol(Symb); 9282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return getSymbolVersion(SymbolTableSections[Symb.d.b], symb, 9292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version, IsDefault); 9302d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 9312d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 932ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 933ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELF::Elf64_Word ELFObjectFile<ELFT> 934ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer ::getSymbolTableIndex(const Elf_Sym *symb) const { 935f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_shndx == ELF::SHN_XINDEX) 936f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return ExtendedSymbolTable.lookup(symb); 937f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return symb->st_shndx; 938f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 939f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 940ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 941ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerconst typename ELFObjectFile<ELFT>::Elf_Shdr * 942ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getSection(const Elf_Sym *symb) const { 943f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_shndx == ELF::SHN_XINDEX) 944f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getSection(ExtendedSymbolTable.lookup(symb)); 945f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_shndx >= ELF::SHN_LORESERVE) 946f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return 0; 947f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getSection(symb->st_shndx); 948f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 949f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 950ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 951ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerconst typename ELFObjectFile<ELFT>::Elf_Shdr * 952ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getElfSection(section_iterator &It) const { 9539dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta llvm::object::DataRefImpl ShdrRef = It->getRawDataRefImpl(); 9549669f749764997ab7033d5c4b0546fe739dd71d8Michael J. Spencer return reinterpret_cast<const Elf_Shdr *>(ShdrRef.p); 9559dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta} 9569dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta 957ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 958ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerconst typename ELFObjectFile<ELFT>::Elf_Sym * 959ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getElfSymbol(symbol_iterator &It) const { 9609dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta return getSymbol(It->getRawDataRefImpl()); 9619dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta} 9629dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta 963ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 964ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerconst typename ELFObjectFile<ELFT>::Elf_Sym * 965ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getElfSymbol(uint32_t index) const { 9669b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning DataRefImpl SymbolData; 9679b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning SymbolData.d.a = index; 9689b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning SymbolData.d.b = 1; 9699b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return getSymbol(SymbolData); 9709b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning} 9719b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 972ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 973ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolFileOffset(DataRefImpl Symb, 974ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer uint64_t &Result) const { 975f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 976f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 977f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *Section; 978f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (getSymbolTableIndex(symb)) { 979f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_COMMON: 980f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Unintialized symbols have no offset in the object file 981f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_UNDEF: 982f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 983f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 984f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_ABS: 985f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = symb->st_value; 986f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 987f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: Section = getSection(symb); 988f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 989f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 990f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (symb->getType()) { 991f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_SECTION: 9926fff325fb600fdaa269858c638d50dbe374d1937Andrew Kaylor Result = Section ? Section->sh_offset : UnknownAddressOrSize; 993f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 994f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_FUNC: 995f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_OBJECT: 996f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_NOTYPE: 997f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = symb->st_value + 998f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky (Section ? Section->sh_offset : 0); 999f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1000f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1001f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 1002f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1003f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1004f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1005f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1006ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1007ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolAddress(DataRefImpl Symb, 1008ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer uint64_t &Result) const { 1009f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1010f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1011f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *Section; 1012f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (getSymbolTableIndex(symb)) { 1013f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_COMMON: 1014f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_UNDEF: 1015f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 1016f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1017f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_ABS: 1018f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = symb->st_value; 1019f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1020f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: Section = getSection(symb); 1021f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1022f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1023f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (symb->getType()) { 1024f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_SECTION: 1025f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = Section ? Section->sh_addr : UnknownAddressOrSize; 1026f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1027f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_FUNC: 1028f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_OBJECT: 1029f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_NOTYPE: 103001fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov bool IsRelocatable; 103101fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov switch(Header->e_type) { 103201fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov case ELF::ET_EXEC: 103301fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov case ELF::ET_DYN: 103401fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov IsRelocatable = false; 103501fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov break; 103601fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov default: 103701fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov IsRelocatable = true; 103801fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov } 103901fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov Result = symb->st_value; 104001fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov if (IsRelocatable && Section != 0) 104101fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov Result += Section->sh_addr; 1042f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1043f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1044f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 1045f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1046f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1047f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1048f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1049ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1050ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolSize(DataRefImpl Symb, 1051ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer uint64_t &Result) const { 1052f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1053f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1054f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_size == 0) 1055f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 1056f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = symb->st_size; 1057f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1058f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1059f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1060ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1061ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolNMTypeChar(DataRefImpl Symb, 1062ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer char &Result) const { 1063f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1064f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1065f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *Section = getSection(symb); 1066f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1067f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky char ret = '?'; 1068f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1069f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Section) { 1070f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (Section->sh_type) { 1071f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_PROGBITS: 1072f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_DYNAMIC: 1073f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (Section->sh_flags) { 1074f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case (ELF::SHF_ALLOC | ELF::SHF_EXECINSTR): 1075f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 't'; break; 1076f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case (ELF::SHF_ALLOC | ELF::SHF_WRITE): 1077f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'd'; break; 1078f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHF_ALLOC: 1079f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case (ELF::SHF_ALLOC | ELF::SHF_MERGE): 1080f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case (ELF::SHF_ALLOC | ELF::SHF_MERGE | ELF::SHF_STRINGS): 1081f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'r'; break; 1082f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1083f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1084f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_NOBITS: ret = 'b'; 1085f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1086f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1087f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1088f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (getSymbolTableIndex(symb)) { 1089f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_UNDEF: 1090f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (ret == '?') 1091f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'U'; 1092f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1093f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_ABS: ret = 'a'; break; 1094f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_COMMON: ret = 'c'; break; 1095f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1096f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1097f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (symb->getBinding()) { 1098f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STB_GLOBAL: ret = ::toupper(ret); break; 1099f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STB_WEAK: 1100f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (getSymbolTableIndex(symb) == ELF::SHN_UNDEF) 1101f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'w'; 1102f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1103f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->getType() == ELF::STT_OBJECT) 1104f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'V'; 1105f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1106f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'W'; 1107f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1108f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1109f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (ret == '?' && symb->getType() == ELF::STT_SECTION) { 1110f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef name; 1111f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (error_code ec = getSymbolName(Symb, name)) 1112f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return ec; 1113f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = StringSwitch<char>(name) 1114f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky .StartsWith(".debug", 'N') 1115f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky .StartsWith(".note", 'n') 1116f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky .Default('?'); 1117f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1118f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1119f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1120f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = ret; 1121f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1122f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1123f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1124ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1125ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolType(DataRefImpl Symb, 1126ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer SymbolRef::Type &Result) const { 1127f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1128f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1129f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1130f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (symb->getType()) { 11312c67727046234ad9702ab5acb72700b5ac99a676David Meyer case ELF::STT_NOTYPE: 11322c67727046234ad9702ab5acb72700b5ac99a676David Meyer Result = SymbolRef::ST_Unknown; 11332c67727046234ad9702ab5acb72700b5ac99a676David Meyer break; 1134f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_SECTION: 1135f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_Debug; 1136f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1137f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_FILE: 1138f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_File; 1139f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1140f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_FUNC: 1141f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_Function; 1142f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1143f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_OBJECT: 11442c67727046234ad9702ab5acb72700b5ac99a676David Meyer case ELF::STT_COMMON: 11452c67727046234ad9702ab5acb72700b5ac99a676David Meyer case ELF::STT_TLS: 1146f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_Data; 1147f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1148f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1149f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_Other; 1150f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1151f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1152f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1153f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1154f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1155ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1156ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolFlags(DataRefImpl Symb, 1157ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer uint32_t &Result) const { 1158f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1159f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1160f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1161c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result = SymbolRef::SF_None; 1162f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1163c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer if (symb->getBinding() != ELF::STB_LOCAL) 1164c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result |= SymbolRef::SF_Global; 1165f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1166c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer if (symb->getBinding() == ELF::STB_WEAK) 1167c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result |= SymbolRef::SF_Weak; 1168c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer 1169c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer if (symb->st_shndx == ELF::SHN_ABS) 1170c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result |= SymbolRef::SF_Absolute; 1171c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer 1172c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer if (symb->getType() == ELF::STT_FILE || 1173c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer symb->getType() == ELF::STT_SECTION) 1174c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result |= SymbolRef::SF_FormatSpecific; 1175f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 11762c67727046234ad9702ab5acb72700b5ac99a676David Meyer if (getSymbolTableIndex(symb) == ELF::SHN_UNDEF) 11772c67727046234ad9702ab5acb72700b5ac99a676David Meyer Result |= SymbolRef::SF_Undefined; 11782c67727046234ad9702ab5acb72700b5ac99a676David Meyer 11792c67727046234ad9702ab5acb72700b5ac99a676David Meyer if (symb->getType() == ELF::STT_COMMON || 11802c67727046234ad9702ab5acb72700b5ac99a676David Meyer getSymbolTableIndex(symb) == ELF::SHN_COMMON) 11812c67727046234ad9702ab5acb72700b5ac99a676David Meyer Result |= SymbolRef::SF_Common; 11822c67727046234ad9702ab5acb72700b5ac99a676David Meyer 11832c67727046234ad9702ab5acb72700b5ac99a676David Meyer if (symb->getType() == ELF::STT_TLS) 11842c67727046234ad9702ab5acb72700b5ac99a676David Meyer Result |= SymbolRef::SF_ThreadLocal; 11852c67727046234ad9702ab5acb72700b5ac99a676David Meyer 1186f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1187f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1188f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1189ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1190ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolSection(DataRefImpl Symb, 1191ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer section_iterator &Res) const { 1192f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1193f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1194f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(symb); 1195f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (!sec) 1196f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Res = end_sections(); 1197f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else { 1198f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl Sec; 1199f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Sec.p = reinterpret_cast<intptr_t>(sec); 1200f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Res = section_iterator(SectionRef(Sec, this)); 1201f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1202f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1203f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1204f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1205ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1206ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolValue(DataRefImpl Symb, 1207ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer uint64_t &Val) const { 1208a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover validateSymbol(Symb); 1209a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover const Elf_Sym *symb = getSymbol(Symb); 1210a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover Val = symb->st_value; 1211a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover return object_error::success; 1212a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover} 1213a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover 1214ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1215ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSectionNext(DataRefImpl Sec, 1216ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer SectionRef &Result) const { 1217f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const uint8_t *sec = reinterpret_cast<const uint8_t *>(Sec.p); 1218f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky sec += Header->e_shentsize; 1219f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Sec.p = reinterpret_cast<intptr_t>(sec); 1220f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SectionRef(Sec, this); 1221f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1222f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1223f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1224ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1225ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSectionName(DataRefImpl Sec, 1226ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer StringRef &Result) const { 1227f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1228f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = StringRef(getString(dot_shstrtab_sec, sec->sh_name)); 1229f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1230f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1231f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1232ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1233ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSectionAddress(DataRefImpl Sec, 1234ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer uint64_t &Result) const { 1235f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1236f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = sec->sh_addr; 1237f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1238f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1239f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1240ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1241ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSectionSize(DataRefImpl Sec, 1242ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer uint64_t &Result) const { 1243f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1244f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = sec->sh_size; 1245f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1246f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1247f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1248ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1249ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSectionContents(DataRefImpl Sec, 1250ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer StringRef &Result) const { 1251f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 125277c27f439443c2a7f56fc707fc9ceb0d10f085aeMichael J. Spencer const char *start = (const char*)base() + sec->sh_offset; 125377c27f439443c2a7f56fc707fc9ceb0d10f085aeMichael J. Spencer Result = StringRef(start, sec->sh_size); 125477c27f439443c2a7f56fc707fc9ceb0d10f085aeMichael J. Spencer return object_error::success; 1255f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1256f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1257ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1258ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSectionContents(const Elf_Shdr *Sec, 1259ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer StringRef &Result) const { 126077c27f439443c2a7f56fc707fc9ceb0d10f085aeMichael J. Spencer const char *start = (const char*)base() + Sec->sh_offset; 126177c27f439443c2a7f56fc707fc9ceb0d10f085aeMichael J. Spencer Result = StringRef(start, Sec->sh_size); 12629dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta return object_error::success; 12639dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta} 12649dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta 1265ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1266ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSectionAlignment(DataRefImpl Sec, 1267ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer uint64_t &Result) const { 1268f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1269f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = sec->sh_addralign; 1270f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1271f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1272f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1273ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1274ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::isSectionText(DataRefImpl Sec, 1275ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer bool &Result) const { 1276f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1277f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec->sh_flags & ELF::SHF_EXECINSTR) 1278f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = true; 1279f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1280f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = false; 1281f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1282f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1283f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1284ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1285ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::isSectionData(DataRefImpl Sec, 1286ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer bool &Result) const { 1287f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1288f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE) 1289f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && sec->sh_type == ELF::SHT_PROGBITS) 1290f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = true; 1291f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1292f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = false; 1293f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1294f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1295f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1296ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1297ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::isSectionBSS(DataRefImpl Sec, 1298ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer bool &Result) const { 1299f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1300f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE) 1301f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && sec->sh_type == ELF::SHT_NOBITS) 1302c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = true; 1303c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd else 1304c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = false; 1305c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd return object_error::success; 1306c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd} 1307c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd 1308ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1309ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::isSectionRequiredForExecution( 1310ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer DataRefImpl Sec, bool &Result) const { 1311c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1312c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd if (sec->sh_flags & ELF::SHF_ALLOC) 1313c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = true; 1314c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd else 1315c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = false; 1316c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd return object_error::success; 1317c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd} 1318c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd 1319ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1320ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::isSectionVirtual(DataRefImpl Sec, 1321ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer bool &Result) const { 1322c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1323c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd if (sec->sh_type == ELF::SHT_NOBITS) 1324c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = true; 1325c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd else 1326c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = false; 1327c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd return object_error::success; 1328c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd} 1329c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd 1330ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1331ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::isSectionZeroInit(DataRefImpl Sec, 1332ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer bool &Result) const { 1333c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1334c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd // For ELF, all zero-init sections are virtual (that is, they occupy no space 1335c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd // in the object image) and vice versa. 13365b712efd9a4d29119ce136d46a23454bdc103f68Rafael Espindola Result = sec->sh_type == ELF::SHT_NOBITS; 1337f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1338f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1339f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1340ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1341ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::isSectionReadOnlyData(DataRefImpl Sec, 1342ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer bool &Result) const { 13433a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 13443a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor if (sec->sh_flags & ELF::SHF_WRITE || sec->sh_flags & ELF::SHF_EXECINSTR) 13453a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor Result = false; 13463a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor else 13473a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor Result = true; 13483a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor return object_error::success; 13493a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor} 13503a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor 1351ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1352ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::sectionContainsSymbol(DataRefImpl Sec, 1353ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer DataRefImpl Symb, 1354ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer bool &Result) const { 1355f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Unimplemented. 1356f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = false; 1357f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1358f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1359f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1360ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1361ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerrelocation_iterator 1362ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getSectionRelBegin(DataRefImpl Sec) const { 1363f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl RelData; 1364f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1365f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typename RelocMap_t::const_iterator ittr = SectionRelocMap.find(sec); 1366f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec != 0 && ittr != SectionRelocMap.end()) { 1367f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.a = getSection(ittr->second[0])->sh_info; 1368f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.b = ittr->second[0]; 1369f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.c = 0; 1370f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1371f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return relocation_iterator(RelocationRef(RelData, this)); 1372f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1373f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1374ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1375ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerrelocation_iterator 1376ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getSectionRelEnd(DataRefImpl Sec) const { 1377f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl RelData; 1378f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1379f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typename RelocMap_t::const_iterator ittr = SectionRelocMap.find(sec); 1380f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec != 0 && ittr != SectionRelocMap.end()) { 1381f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Get the index of the last relocation section for this section. 1382f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky std::size_t relocsecindex = ittr->second[ittr->second.size() - 1]; 1383f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *relocsec = getSection(relocsecindex); 1384f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.a = relocsec->sh_info; 1385f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.b = relocsecindex; 1386f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.c = relocsec->sh_size / relocsec->sh_entsize; 1387f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1388f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return relocation_iterator(RelocationRef(RelData, this)); 1389f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1390f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1391f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// Relocations 1392ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1393ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getRelocationNext(DataRefImpl Rel, 1394ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer RelocationRef &Result) const { 1395f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++Rel.w.c; 1396f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *relocsec = getSection(Rel.w.b); 1397f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Rel.w.c >= (relocsec->sh_size / relocsec->sh_entsize)) { 1398f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // We have reached the end of the relocations for this section. See if there 1399f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // is another relocation section. 1400f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typename RelocMap_t::mapped_type relocseclist = 1401f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SectionRelocMap.lookup(getSection(Rel.w.a)); 1402f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1403f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Do a binary search for the current reloc section index (which must be 1404f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // present). Then get the next one. 1405f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typename RelocMap_t::mapped_type::const_iterator loc = 1406f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky std::lower_bound(relocseclist.begin(), relocseclist.end(), Rel.w.b); 1407f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++loc; 1408f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1409f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // If there is no next one, don't do anything. The ++Rel.w.c above sets Rel 1410f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // to the end iterator. 1411f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (loc != relocseclist.end()) { 1412f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Rel.w.b = *loc; 1413f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Rel.w.a = 0; 1414f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1415f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1416f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = RelocationRef(Rel, this); 1417f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1418f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1419f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1420ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1421ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getRelocationSymbol(DataRefImpl Rel, 1422ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer SymbolRef &Result) const { 1423f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint32_t symbolIdx; 1424f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1425f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1426f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1427f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1428f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1429f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky symbolIdx = getRel(Rel)->getSymbol(); 1430f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1431f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1432f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1433f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky symbolIdx = getRela(Rel)->getSymbol(); 1434f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1435f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1436f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1437f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl SymbolData; 1438f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky IndexMap_t::const_iterator it = SymbolTableSectionsIndexMap.find(sec->sh_link); 1439f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (it == SymbolTableSectionsIndexMap.end()) 1440f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Relocation symbol table not found!"); 1441f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.a = symbolIdx; 1442f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.b = it->second; 1443f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef(SymbolData, this); 1444f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1445f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1446f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1447ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1448ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getRelocationAddress(DataRefImpl Rel, 1449ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer uint64_t &Result) const { 1450f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t offset; 1451f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1452f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1453f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1454f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1455f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1456f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky offset = getRel(Rel)->r_offset; 1457f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1458f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1459f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1460f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky offset = getRela(Rel)->r_offset; 1461f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1462f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1463f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1464f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1465f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = offset; 1466f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1467f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1468f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1469ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1470ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getRelocationOffset(DataRefImpl Rel, 1471ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer uint64_t &Result) const { 1472f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t offset; 1473f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1474f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1475f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1476f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1477f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1478f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky offset = getRel(Rel)->r_offset; 1479f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1480f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1481f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1482f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky offset = getRela(Rel)->r_offset; 1483f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1484f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1485f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1486f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1487f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = offset - sec->sh_addr; 1488f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1489f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1490f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1491ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1492ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getRelocationType(DataRefImpl Rel, 1493ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer uint64_t &Result) const { 1494f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1495f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1496f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1497f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1498f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1499f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = getRel(Rel)->getType(); 1500f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1501f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1502f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1503f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = getRela(Rel)->getType(); 1504f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1505f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1506f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1507f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1508f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1509f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1510f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#define LLVM_ELF_SWITCH_RELOC_TYPE_NAME(enum) \ 1511f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::enum: res = #enum; break; 1512f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1513ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1514ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getRelocationTypeName( 1515ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer DataRefImpl Rel, SmallVectorImpl<char> &Result) const { 1516f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 15170b740236b71f0f3811421885c04cc43130f88befTim Northover uint32_t type; 1518f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef res; 1519f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1520f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1521f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::parse_failed; 1522f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1523f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky type = getRel(Rel)->getType(); 1524f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1525f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1526f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1527f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky type = getRela(Rel)->getType(); 1528f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1529f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1530f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1531f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (Header->e_machine) { 1532f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 1533f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (type) { 1534f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_NONE); 1535f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_64); 1536f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC32); 1537f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOT32); 1538f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PLT32); 1539f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_COPY); 1540f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GLOB_DAT); 1541f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_JUMP_SLOT); 1542f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_RELATIVE); 1543f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPCREL); 1544f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_32); 1545f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_32S); 1546f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_16); 1547f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC16); 1548f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_8); 1549f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC8); 1550f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_DTPMOD64); 1551f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_DTPOFF64); 1552f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TPOFF64); 1553f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSGD); 1554f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSLD); 1555f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_DTPOFF32); 1556f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTTPOFF); 1557f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TPOFF32); 1558f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC64); 1559f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTOFF64); 1560f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPC32); 1561f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_SIZE32); 1562f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_SIZE64); 1563f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPC32_TLSDESC); 1564f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSDESC_CALL); 1565f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSDESC); 1566f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1567f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1568f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1569f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1570f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_386: 1571f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (type) { 1572f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_NONE); 1573f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_32); 1574f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC32); 1575f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GOT32); 1576f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PLT32); 1577f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_COPY); 1578f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GLOB_DAT); 1579f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_JUMP_SLOT); 1580f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_RELATIVE); 1581f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GOTOFF); 1582f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GOTPC); 1583f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_32PLT); 1584f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_TPOFF); 1585f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_IE); 1586f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GOTIE); 1587f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LE); 1588f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD); 1589f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM); 1590f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_16); 1591f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC16); 1592f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_8); 1593f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC8); 1594f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_32); 1595f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_PUSH); 1596f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_CALL); 1597f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_POP); 1598f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_32); 1599f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_PUSH); 1600f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_CALL); 1601f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_POP); 1602f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDO_32); 1603f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_IE_32); 1604f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LE_32); 1605f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DTPMOD32); 1606f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DTPOFF32); 1607f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_TPOFF32); 1608f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GOTDESC); 1609f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DESC_CALL); 1610f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DESC); 1611f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_IRELATIVE); 1612f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1613f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1614f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1615f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 161672062f5744557e270a38192554c3126ea5f97434Tim Northover case ELF::EM_AARCH64: 161772062f5744557e270a38192554c3126ea5f97434Tim Northover switch (type) { 161872062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_NONE); 161972062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ABS64); 162072062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ABS32); 162172062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ABS16); 162272062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_PREL64); 162372062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_PREL32); 162472062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_PREL16); 162572062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G0); 162672062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G0_NC); 162772062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G1); 162872062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G1_NC); 162972062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G2); 163072062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G2_NC); 163172062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G3); 163272062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_SABS_G0); 163372062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_SABS_G1); 163472062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_SABS_G2); 163572062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LD_PREL_LO19); 163672062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADR_PREL_LO21); 163772062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADR_PREL_PG_HI21); 163872062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADD_ABS_LO12_NC); 163972062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST8_ABS_LO12_NC); 164072062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TSTBR14); 164172062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_CONDBR19); 164272062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_JUMP26); 164372062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_CALL26); 164472062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST16_ABS_LO12_NC); 164572062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST32_ABS_LO12_NC); 164672062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST64_ABS_LO12_NC); 164772062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST128_ABS_LO12_NC); 164872062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADR_GOT_PAGE); 164972062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LD64_GOT_LO12_NC); 165072062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G2); 165172062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G1); 165272062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC); 165372062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G0); 165472062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC); 165572062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_ADD_DTPREL_HI12); 165672062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_ADD_DTPREL_LO12); 165772062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC); 165872062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST8_DTPREL_LO12); 165972062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC); 166072062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST16_DTPREL_LO12); 166172062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC); 166272062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST32_DTPREL_LO12); 166372062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC); 166472062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST64_DTPREL_LO12); 166572062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC); 166672062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_MOVW_GOTTPREL_G1); 166772062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC); 166872062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21); 166972062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC); 167072062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_LD_GOTTPREL_PREL19); 167172062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G2); 167272062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G1); 167372062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G1_NC); 167472062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G0); 167572062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G0_NC); 167672062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_ADD_TPREL_HI12); 167772062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_ADD_TPREL_LO12); 167872062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_ADD_TPREL_LO12_NC); 167972062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST8_TPREL_LO12); 168072062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC); 168172062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST16_TPREL_LO12); 168272062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC); 168372062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST32_TPREL_LO12); 168472062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC); 168572062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST64_TPREL_LO12); 168672062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC); 168772062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_ADR_PAGE); 168872062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_LD64_LO12_NC); 168972062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_ADD_LO12_NC); 169072062f5744557e270a38192554c3126ea5f97434Tim Northover LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_CALL); 169172062f5744557e270a38192554c3126ea5f97434Tim Northover 169272062f5744557e270a38192554c3126ea5f97434Tim Northover default: 169372062f5744557e270a38192554c3126ea5f97434Tim Northover res = "Unknown"; 169472062f5744557e270a38192554c3126ea5f97434Tim Northover } 169572062f5744557e270a38192554c3126ea5f97434Tim Northover break; 16964b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien case ELF::EM_ARM: 16974b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien switch (type) { 16984b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_NONE); 16994b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PC24); 17004b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS32); 17014b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_REL32); 17024b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G0); 17034b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS16); 17044b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS12); 17054b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_ABS5); 17064b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS8); 17074b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_SBREL32); 17084b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_CALL); 17094b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_PC8); 17104b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BREL_ADJ); 17114b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DESC); 17124b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_SWI8); 17134b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_XPC25); 17144b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_XPC22); 17154b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DTPMOD32); 17164b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DTPOFF32); 17174b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_TPOFF32); 17184b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_COPY); 17194b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GLOB_DAT); 17204b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_JUMP_SLOT); 17214b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_RELATIVE); 17224b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTOFF32); 17234b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BASE_PREL); 17244b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_BREL); 17254b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PLT32); 17264b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_CALL); 17274b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_JUMP24); 17284b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP24); 17294b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BASE_ABS); 17304b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_7_0); 17314b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_15_8); 17324b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_23_15); 17334b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SBREL_11_0_NC); 17344b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SBREL_19_12_NC); 17354b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SBREL_27_20_CK); 17364b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TARGET1); 17374b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_SBREL31); 17384b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_V4BX); 17394b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TARGET2); 17404b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PREL31); 17414b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_ABS_NC); 17424b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_ABS); 17434b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_PREL_NC); 17444b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_PREL); 17454b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_ABS_NC); 17464b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_ABS); 17474b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_PREL_NC); 17484b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_PREL); 17494b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP19); 17504b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP6); 17514b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_ALU_PREL_11_0); 17524b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_PC12); 17534b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS32_NOI); 17544b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_REL32_NOI); 17554b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G0_NC); 17564b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G0); 17574b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G1_NC); 17584b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G1); 17594b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G2); 17604b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G1); 17614b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G2); 17624b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G0); 17634b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G1); 17644b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G2); 17654b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G0); 17664b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G1); 17674b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G2); 17684b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G0_NC); 17694b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G0); 17704b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G1_NC); 17714b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G1); 17724b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G2); 17734b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G0); 17744b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G1); 17754b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G2); 17764b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G0); 17774b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G1); 17784b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G2); 17794b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G0); 17804b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G1); 17814b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G2); 17824b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_BREL_NC); 17834b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_BREL); 17844b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_BREL); 17854b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_BREL_NC); 17864b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_BREL); 17874b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_BREL); 17884b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_GOTDESC); 17894b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_CALL); 17904b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DESCSEQ); 17914b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_CALL); 17924b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PLT32_ABS); 17934b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_ABS); 17944b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_PREL); 17954b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_BREL12); 17964b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTOFF12); 17974b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTRELAX); 17984b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GNU_VTENTRY); 17994b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GNU_VTINHERIT); 18004b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP11); 18014b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP8); 18024b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_GD32); 18034b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDM32); 18044b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDO32); 18054b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_IE32); 18064b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LE32); 18074b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDO12); 18084b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LE12); 18094b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_IE12GP); 18104b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_0); 18114b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_1); 18124b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_2); 18134b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_3); 18144b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_4); 18154b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_5); 18164b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_6); 18174b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_7); 18184b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_8); 18194b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_9); 18204b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_10); 18214b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_11); 18224b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_12); 18234b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_13); 18244b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_14); 18254b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_15); 18264b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ME_TOO); 18274b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_DESCSEQ16); 18284b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_DESCSEQ32); 18294b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien default: 18304b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien res = "Unknown"; 18314b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien } 18324b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien break; 183350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow case ELF::EM_HEXAGON: 183450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow switch (type) { 183550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_NONE); 183650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL); 183750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL); 183850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B7_PCREL); 183950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_LO16); 184050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_HI16); 184150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32); 184250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_16); 184350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_8); 184450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_0); 184550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_1); 184650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_2); 184750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_3); 184850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_HL16); 184950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B13_PCREL); 185050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B9_PCREL); 185150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B32_PCREL_X); 185250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32_6_X); 185350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL_X); 185450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL_X); 185550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B13_PCREL_X); 185650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B9_PCREL_X); 185750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B7_PCREL_X); 185850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_16_X); 185950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_12_X); 186050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_11_X); 186150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_10_X); 186250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_9_X); 186350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_8_X); 186450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_7_X); 186550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_6_X); 186650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32_PCREL); 186750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_COPY); 186850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GLOB_DAT); 186950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_JMP_SLOT); 187050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_RELATIVE); 187150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_PLT_B22_PCREL); 187250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_LO16); 187350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_HI16); 187450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_32); 187550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_LO16); 187650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_HI16); 187750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_32); 187850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_16); 187950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPMOD_32); 188050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_LO16); 188150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_HI16); 188250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_32); 188350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_16); 188450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_PLT_B22_PCREL); 188550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_LO16); 188650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_HI16); 188750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_32); 188850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_16); 188950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_LO16); 189050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_HI16); 189150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_32); 189250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_LO16); 189350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_HI16); 189450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_32); 189550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_16); 189650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_LO16); 189750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_HI16); 189850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32); 189950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16); 190050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_6_PCREL_X); 190150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_32_6_X); 190250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_16_X); 190350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_11_X); 190450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_32_6_X); 190550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_16_X); 190650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_11_X); 190750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_32_6_X); 190850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_16_X); 190950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_11_X); 191050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_32_6_X); 191150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_16_X); 191250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_11_X); 191350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_32_6_X); 191450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_16_X); 191550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_32_6_X); 191650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_16_X); 191750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_11_X); 191850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32_6_X); 191950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16_X); 192050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_11_X); 192150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow default: 192250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow res = "Unknown"; 192350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow } 192450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow break; 1925f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1926f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1927f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1928f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result.append(res.begin(), res.end()); 1929f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1930f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1931f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1932f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#undef LLVM_ELF_SWITCH_RELOC_TYPE_NAME 1933f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1934ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1935ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getRelocationAdditionalInfo( 1936ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer DataRefImpl Rel, int64_t &Result) const { 1937f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1938f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1939f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1940f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1941f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1942f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = 0; 1943f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1944f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1945f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1946f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = getRela(Rel)->r_addend; 1947f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1948f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1949f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1950f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1951f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1952ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 1953ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getRelocationValueString( 1954ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer DataRefImpl Rel, SmallVectorImpl<char> &Result) const { 1955f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1956f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint8_t type; 1957f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef res; 1958f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky int64_t addend = 0; 1959f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint16_t symbol_index = 0; 1960f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1961033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky default: 1962f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::parse_failed; 1963033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::SHT_REL: { 1964f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky type = getRel(Rel)->getType(); 1965f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky symbol_index = getRel(Rel)->getSymbol(); 1966f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // TODO: Read implicit addend from section data. 1967f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1968f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1969033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::SHT_RELA: { 1970f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky type = getRela(Rel)->getType(); 1971f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky symbol_index = getRela(Rel)->getSymbol(); 1972f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky addend = getRela(Rel)->r_addend; 1973f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1974f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1975f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1976f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getEntry<Elf_Sym>(sec->sh_link, symbol_index); 1977f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef symname; 1978dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (error_code ec = getSymbolName(getSection(sec->sh_link), symb, symname)) 1979f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return ec; 1980f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (Header->e_machine) { 1981f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 1982f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (type) { 1983033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_PC8: 1984033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_PC16: 1985f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::R_X86_64_PC32: { 1986f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky std::string fmtbuf; 1987f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky raw_string_ostream fmt(fmtbuf); 1988f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky fmt << symname << (addend < 0 ? "" : "+") << addend << "-P"; 1989f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky fmt.flush(); 1990f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result.append(fmtbuf.begin(), fmtbuf.end()); 1991f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1992033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky break; 1993033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_8: 1994033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_16: 1995033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_32: 1996033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_32S: 1997033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_64: { 1998033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky std::string fmtbuf; 1999033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky raw_string_ostream fmt(fmtbuf); 2000033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky fmt << symname << (addend < 0 ? "" : "+") << addend; 2001033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky fmt.flush(); 2002033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky Result.append(fmtbuf.begin(), fmtbuf.end()); 2003033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky } 2004f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 2005f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2006f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 2007f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2008f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 200972062f5744557e270a38192554c3126ea5f97434Tim Northover case ELF::EM_AARCH64: 20104b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien case ELF::EM_ARM: 201150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow case ELF::EM_HEXAGON: 201250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow res = symname; 201350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow break; 2014f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2015f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 2016f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2017f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Result.empty()) 2018f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result.append(res.begin(), res.end()); 2019f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 2020f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2021f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2022dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer// Verify that the last byte in the string table in a null. 2023ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2024ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencervoid ELFObjectFile<ELFT>::VerifyStrTab(const Elf_Shdr *sh) const { 2025dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer const char *strtab = (const char*)base() + sh->sh_offset; 2026dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (strtab[sh->sh_size - 1] != 0) 2027dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // FIXME: Proper error handling. 2028dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer report_fatal_error("String table must end with a null terminator!"); 2029dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer} 2030dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 2031ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2032ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::ELFObjectFile(MemoryBuffer *Object, error_code &ec) 203334461e554ac359cee140434a01facefd25f720f1Michael J. Spencer : ObjectFile(getELFType( 203434461e554ac359cee140434a01facefd25f720f1Michael J. Spencer static_cast<endianness>(ELFT::TargetEndianness) == support::little, 203534461e554ac359cee140434a01facefd25f720f1Michael J. Spencer ELFT::Is64Bits), 203634461e554ac359cee140434a01facefd25f720f1Michael J. Spencer Object, 203734461e554ac359cee140434a01facefd25f720f1Michael J. Spencer ec) 2038f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky , isDyldELFObject(false) 2039f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky , SectionHeaderTable(0) 2040f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky , dot_shstrtab_sec(0) 2041dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer , dot_strtab_sec(0) 20425c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer , dot_dynstr_sec(0) 204397f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer , dot_dynamic_sec(0) 20442d70e263c2b508bf4641273dd89a23149f6f6164David Meyer , dot_gnu_version_sec(0) 20452d70e263c2b508bf4641273dd89a23149f6f6164David Meyer , dot_gnu_version_r_sec(0) 20462d70e263c2b508bf4641273dd89a23149f6f6164David Meyer , dot_gnu_version_d_sec(0) 20472d70e263c2b508bf4641273dd89a23149f6f6164David Meyer , dt_soname(0) 20482d70e263c2b508bf4641273dd89a23149f6f6164David Meyer { 2049f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2050f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const uint64_t FileSize = Data->getBufferSize(); 2051f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2052f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sizeof(Elf_Ehdr) > FileSize) 2053f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2054f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("File too short!"); 2055f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2056f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Header = reinterpret_cast<const Elf_Ehdr *>(base()); 2057f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2058f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shoff == 0) 2059f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return; 2060f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2061f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const uint64_t SectionTableOffset = Header->e_shoff; 2062f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2063f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SectionTableOffset + sizeof(Elf_Shdr) > FileSize) 2064f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2065f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Section header table goes past end of file!"); 2066f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2067f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // The getNumSections() call below depends on SectionHeaderTable being set. 2068f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SectionHeaderTable = 2069f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky reinterpret_cast<const Elf_Shdr *>(base() + SectionTableOffset); 2070f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const uint64_t SectionTableSize = getNumSections() * Header->e_shentsize; 2071f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2072f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SectionTableOffset + SectionTableSize > FileSize) 2073f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2074f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Section table goes past end of file!"); 2075f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2076f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // To find the symbol tables we walk the section table to find SHT_SYMTAB. 2077f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr* SymbolTableSectionHeaderIndex = 0; 2078f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr* sh = SectionHeaderTable; 2079dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 2080dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // Reserve SymbolTableSections[0] for .dynsym 2081dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolTableSections.push_back(NULL); 2082dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 2083f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky for (uint64_t i = 0, e = getNumSections(); i != e; ++i) { 20842d70e263c2b508bf4641273dd89a23149f6f6164David Meyer switch (sh->sh_type) { 20852d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_SYMTAB_SHNDX: { 2086f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SymbolTableSectionHeaderIndex) 2087f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2088f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("More than one .symtab_shndx!"); 2089f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolTableSectionHeaderIndex = sh; 20902d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 2091f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 20922d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_SYMTAB: { 2093f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolTableSectionsIndexMap[i] = SymbolTableSections.size(); 2094f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolTableSections.push_back(sh); 20952d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 2096f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 20972d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_DYNSYM: { 2098dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (SymbolTableSections[0] != NULL) 2099dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // FIXME: Proper error handling. 2100dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer report_fatal_error("More than one .dynsym!"); 2101dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolTableSectionsIndexMap[i] = 0; 2102dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolTableSections[0] = sh; 21032d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 2104dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } 21052d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_REL: 21062d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_RELA: { 2107f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SectionRelocMap[getSection(sh->sh_info)].push_back(i); 21082d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 2109f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 21102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_DYNAMIC: { 21115c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (dot_dynamic_sec != NULL) 21125c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // FIXME: Proper error handling. 21135c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("More than one .dynamic!"); 21145c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dot_dynamic_sec = sh; 21152d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 21162d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 21172d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_GNU_versym: { 21182d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_sec != NULL) 21192d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // FIXME: Proper error handling. 21202d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("More than one .gnu.version section!"); 21212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dot_gnu_version_sec = sh; 21222d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 21232d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 21242d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_GNU_verdef: { 21252d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_d_sec != NULL) 21262d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // FIXME: Proper error handling. 21272d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("More than one .gnu.version_d section!"); 21282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dot_gnu_version_d_sec = sh; 21292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 21302d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 21312d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_GNU_verneed: { 21322d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_r_sec != NULL) 21332d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // FIXME: Proper error handling. 21342d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("More than one .gnu.version_r section!"); 21352d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dot_gnu_version_r_sec = sh; 21362d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 21372d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 21385c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 2139f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++sh; 2140f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2141f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2142f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Sort section relocation lists by index. 2143f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky for (typename RelocMap_t::iterator i = SectionRelocMap.begin(), 2144f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky e = SectionRelocMap.end(); i != e; ++i) { 2145f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky std::sort(i->second.begin(), i->second.end()); 2146f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2147f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2148f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Get string table sections. 2149f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky dot_shstrtab_sec = getSection(getStringTableIndex()); 2150f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (dot_shstrtab_sec) { 2151f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Verify that the last byte in the string table in a null. 2152dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer VerifyStrTab(dot_shstrtab_sec); 2153f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2154f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2155f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Merge this into the above loop. 2156f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky for (const char *i = reinterpret_cast<const char *>(SectionHeaderTable), 2157f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky *e = i + getNumSections() * Header->e_shentsize; 2158f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky i != e; i += Header->e_shentsize) { 2159f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sh = reinterpret_cast<const Elf_Shdr*>(i); 2160f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sh->sh_type == ELF::SHT_STRTAB) { 2161f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef SectionName(getString(dot_shstrtab_sec, sh->sh_name)); 2162f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SectionName == ".strtab") { 2163f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (dot_strtab_sec != 0) 2164f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2165f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Already found section named .strtab!"); 2166f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky dot_strtab_sec = sh; 2167dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer VerifyStrTab(dot_strtab_sec); 2168dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } else if (SectionName == ".dynstr") { 2169dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (dot_dynstr_sec != 0) 2170dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // FIXME: Proper error handling. 2171dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer report_fatal_error("Already found section named .dynstr!"); 2172dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer dot_dynstr_sec = sh; 2173dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer VerifyStrTab(dot_dynstr_sec); 2174f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2175f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2176f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2177f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2178f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Build symbol name side-mapping if there is one. 2179f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SymbolTableSectionHeaderIndex) { 2180f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Word *ShndxTable = reinterpret_cast<const Elf_Word*>(base() + 2181f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolTableSectionHeaderIndex->sh_offset); 2182f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky error_code ec; 2183f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky for (symbol_iterator si = begin_symbols(), 2184f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky se = end_symbols(); si != se; si.increment(ec)) { 2185f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (ec) 2186f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Fewer extended symbol table entries than symbols!"); 2187f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (*ShndxTable != ELF::SHN_UNDEF) 2188f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ExtendedSymbolTable[getSymbol(si->getRawDataRefImpl())] = *ShndxTable; 2189f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++ShndxTable; 2190f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2191f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2192f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2193f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2194f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran// Get the symbol table index in the symtab section given a symbol 2195ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2196ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spenceruint64_t ELFObjectFile<ELFT>::getSymbolIndex(const Elf_Sym *Sym) const { 2197f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran assert(SymbolTableSections.size() == 1 && "Only one symbol table supported!"); 2198f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran const Elf_Shdr *SymTab = *SymbolTableSections.begin(); 2199f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran uintptr_t SymLoc = uintptr_t(Sym); 2200f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran uintptr_t SymTabLoc = uintptr_t(base() + SymTab->sh_offset); 2201f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran assert(SymLoc > SymTabLoc && "Symbol not in symbol table!"); 2202f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran uint64_t SymOffset = SymLoc - SymTabLoc; 2203f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran assert(SymOffset % SymTab->sh_entsize == 0 && 2204f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran "Symbol not multiple of symbol size!"); 2205f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran return SymOffset / SymTab->sh_entsize; 2206f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran} 2207f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran 2208ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2209ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencersymbol_iterator ELFObjectFile<ELFT>::begin_symbols() const { 2210f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl SymbolData; 2211dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (SymbolTableSections.size() <= 1) { 2212f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.a = std::numeric_limits<uint32_t>::max(); 2213f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.b = std::numeric_limits<uint32_t>::max(); 2214f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } else { 2215f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.a = 1; // The 0th symbol in ELF is fake. 2216dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.b = 1; // The 0th table is .dynsym 2217f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2218f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return symbol_iterator(SymbolRef(SymbolData, this)); 2219f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2220f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2221ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2222ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencersymbol_iterator ELFObjectFile<ELFT>::end_symbols() const { 2223f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl SymbolData; 2224f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.a = std::numeric_limits<uint32_t>::max(); 2225f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.b = std::numeric_limits<uint32_t>::max(); 2226f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return symbol_iterator(SymbolRef(SymbolData, this)); 2227f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2228f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2229ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2230ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencersymbol_iterator ELFObjectFile<ELFT>::begin_dynamic_symbols() const { 2231dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer DataRefImpl SymbolData; 2232dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (SymbolTableSections[0] == NULL) { 2233dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.a = std::numeric_limits<uint32_t>::max(); 2234dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.b = std::numeric_limits<uint32_t>::max(); 2235dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } else { 2236dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.a = 1; // The 0th symbol in ELF is fake. 2237dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.b = 0; // The 0th table is .dynsym 2238dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } 2239dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer return symbol_iterator(SymbolRef(SymbolData, this)); 2240dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer} 2241dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 2242ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2243ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencersymbol_iterator ELFObjectFile<ELFT>::end_dynamic_symbols() const { 2244dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer DataRefImpl SymbolData; 2245dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.a = std::numeric_limits<uint32_t>::max(); 2246dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.b = std::numeric_limits<uint32_t>::max(); 2247dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer return symbol_iterator(SymbolRef(SymbolData, this)); 2248dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer} 2249dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 2250ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2251ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencersection_iterator ELFObjectFile<ELFT>::begin_sections() const { 2252f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl ret; 2253f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret.p = reinterpret_cast<intptr_t>(base() + Header->e_shoff); 2254f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return section_iterator(SectionRef(ret, this)); 2255f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2256f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2257ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2258ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencersection_iterator ELFObjectFile<ELFT>::end_sections() const { 2259f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl ret; 2260f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret.p = reinterpret_cast<intptr_t>(base() 2261f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + Header->e_shoff 2262f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + (Header->e_shentsize*getNumSections())); 2263f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return section_iterator(SectionRef(ret, this)); 2264f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2265f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2266ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 22672e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencertypename ELFObjectFile<ELFT>::Elf_Dyn_iterator 2268ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::begin_dynamic_table() const { 2269945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer if (dot_dynamic_sec) 22702e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer return Elf_Dyn_iterator(dot_dynamic_sec->sh_entsize, 22712e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer (const char *)base() + dot_dynamic_sec->sh_offset); 22722e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer return Elf_Dyn_iterator(0, 0); 22735c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 22745c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2275ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 22762e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencertypename ELFObjectFile<ELFT>::Elf_Dyn_iterator 2277ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::end_dynamic_table() const { 2278945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer if (dot_dynamic_sec) 22792e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer return Elf_Dyn_iterator(dot_dynamic_sec->sh_entsize, 22802e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer (const char *)base() + dot_dynamic_sec->sh_offset + 22812e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer dot_dynamic_sec->sh_size); 22822e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer return Elf_Dyn_iterator(0, 0); 22835c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 22845c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2285ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2286945bc5bde022c790722ca1d05304bb0c986890dbMichael J. SpencerStringRef ELFObjectFile<ELFT>::getLoadName() const { 228797f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (!dt_soname) { 228897f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer // Find the DT_SONAME entry 22892e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer Elf_Dyn_iterator it = begin_dynamic_table(); 22902e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer Elf_Dyn_iterator ie = end_dynamic_table(); 2291945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer for (; it != ie; ++it) { 229297f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (it->getTag() == ELF::DT_SONAME) 229397f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer break; 229497f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer } 229597f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (it != ie) { 229697f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (dot_dynstr_sec == NULL) 229797f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer report_fatal_error("Dynamic string table is missing"); 229897f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer dt_soname = getString(dot_dynstr_sec, it->getVal()); 229997f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer } else { 230097f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer dt_soname = ""; 230197f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer } 230297f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer } 230397f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer return dt_soname; 230497f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer} 230597f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer 2306ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2307ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerlibrary_iterator ELFObjectFile<ELFT>::begin_libraries_needed() const { 23085c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Find the first DT_NEEDED entry 23092e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer Elf_Dyn_iterator i = begin_dynamic_table(); 23102e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer Elf_Dyn_iterator e = end_dynamic_table(); 23112e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer for (; i != e; ++i) { 23125c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i->getTag() == ELF::DT_NEEDED) 23135c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer break; 23145c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 2315945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer 2316945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer DataRefImpl DRI; 2317def0c1f756562601829364e3fca4bd1f0407316eMichael J. Spencer DRI.p = reinterpret_cast<uintptr_t>(i.get()); 2318945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer return library_iterator(LibraryRef(DRI, this)); 23195c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 23205c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2321ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2322ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getLibraryNext(DataRefImpl Data, 2323ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer LibraryRef &Result) const { 23245c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Use the same DataRefImpl format as DynRef. 23252e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer Elf_Dyn_iterator i = Elf_Dyn_iterator(dot_dynamic_sec->sh_entsize, 23262e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer reinterpret_cast<const char *>(Data.p)); 23272e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer Elf_Dyn_iterator e = end_dynamic_table(); 23285c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 23295c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Skip the current dynamic table entry. 2330945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer ++i; 23315c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 23325c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Find the next DT_NEEDED entry. 23332e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer for (; i != e && i->getTag() != ELF::DT_NEEDED; ++i); 2334945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer 2335945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer DataRefImpl DRI; 2336def0c1f756562601829364e3fca4bd1f0407316eMichael J. Spencer DRI.p = reinterpret_cast<uintptr_t>(i.get()); 2337945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer Result = LibraryRef(DRI, this); 23385c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return object_error::success; 23395c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 23405c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2341ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2342ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getLibraryPath(DataRefImpl Data, 2343ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer StringRef &Res) const { 23442e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer Elf_Dyn_iterator i = Elf_Dyn_iterator(dot_dynamic_sec->sh_entsize, 23452e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer reinterpret_cast<const char *>(Data.p)); 23465c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i == end_dynamic_table()) 23475c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("getLibraryPath() called on iterator end"); 23485c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 23495c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i->getTag() != ELF::DT_NEEDED) 23505c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("Invalid library_iterator"); 23515c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 23525c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // This uses .dynstr to lookup the name of the DT_NEEDED entry. 23535c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // THis works as long as DT_STRTAB == .dynstr. This is true most of 23545c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // the time, but the specification allows exceptions. 23555c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // TODO: This should really use DT_STRTAB instead. Doing this requires 23565c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // reading the program headers. 23575c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (dot_dynstr_sec == NULL) 23585c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("Dynamic string table is missing"); 23595c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Res = getString(dot_dynstr_sec, i->getVal()); 23605c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return object_error::success; 23615c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 23625c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2363ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2364ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerlibrary_iterator ELFObjectFile<ELFT>::end_libraries_needed() const { 23652e0742f76c6081b24eb64b3967c3d7903007dcbdMichael J. Spencer Elf_Dyn_iterator e = end_dynamic_table(); 2366945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer DataRefImpl DRI; 2367def0c1f756562601829364e3fca4bd1f0407316eMichael J. Spencer DRI.p = reinterpret_cast<uintptr_t>(e.get()); 2368945bc5bde022c790722ca1d05304bb0c986890dbMichael J. Spencer return library_iterator(LibraryRef(DRI, this)); 23695c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 23705c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2371ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2372ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spenceruint8_t ELFObjectFile<ELFT>::getBytesInAddress() const { 2373ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer return ELFT::Is64Bits ? 8 : 4; 2374f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2375f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2376ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2377ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerStringRef ELFObjectFile<ELFT>::getFileFormatName() const { 2378f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch(Header->e_ident[ELF::EI_CLASS]) { 2379f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::ELFCLASS32: 2380f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch(Header->e_machine) { 2381f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_386: 2382f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF32-i386"; 2383f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 2384f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF32-x86-64"; 2385f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_ARM: 2386f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF32-arm"; 238750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow case ELF::EM_HEXAGON: 238850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow return "ELF32-hexagon"; 23893802947dec01dcf95d1b4b6545e88e549744e2b1NAKAMURA Takumi case ELF::EM_MIPS: 23903802947dec01dcf95d1b4b6545e88e549744e2b1NAKAMURA Takumi return "ELF32-mips"; 2391f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2392f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF32-unknown"; 2393f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2394f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::ELFCLASS64: 2395f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch(Header->e_machine) { 2396f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_386: 2397f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF64-i386"; 2398f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 2399f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF64-x86-64"; 240072062f5744557e270a38192554c3126ea5f97434Tim Northover case ELF::EM_AARCH64: 240172062f5744557e270a38192554c3126ea5f97434Tim Northover return "ELF64-aarch64"; 2402a5e01b1314b48c364c092288c2aef95c29a79583Adhemerval Zanella case ELF::EM_PPC64: 2403a5e01b1314b48c364c092288c2aef95c29a79583Adhemerval Zanella return "ELF64-ppc64"; 2404f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2405f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF64-unknown"; 2406f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2407f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2408f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2409f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid ELFCLASS!"); 2410f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2411f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2412f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2413ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2414ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerunsigned ELFObjectFile<ELFT>::getArch() const { 2415f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch(Header->e_machine) { 2416f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_386: 2417f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Triple::x86; 2418f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 2419f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Triple::x86_64; 242072062f5744557e270a38192554c3126ea5f97434Tim Northover case ELF::EM_AARCH64: 242172062f5744557e270a38192554c3126ea5f97434Tim Northover return Triple::aarch64; 2422f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_ARM: 2423f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Triple::arm; 242450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow case ELF::EM_HEXAGON: 242550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow return Triple::hexagon; 2426b889e0cd2fea4afee623d5be603b912b955a2ecaAkira Hatanaka case ELF::EM_MIPS: 24276623730296fbe6d639058195772566ffa10e9ad2Dmitri Gribenko return (ELFT::TargetEndianness == support::little) ? 2428b889e0cd2fea4afee623d5be603b912b955a2ecaAkira Hatanaka Triple::mipsel : Triple::mips; 2429a5e01b1314b48c364c092288c2aef95c29a79583Adhemerval Zanella case ELF::EM_PPC64: 2430a5e01b1314b48c364c092288c2aef95c29a79583Adhemerval Zanella return Triple::ppc64; 2431f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2432f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Triple::UnknownArch; 2433f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2434f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2435f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2436ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2437ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spenceruint64_t ELFObjectFile<ELFT>::getNumSections() const { 2438f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky assert(Header && "Header not initialized!"); 2439f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shnum == ELF::SHN_UNDEF) { 2440f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky assert(SectionHeaderTable && "SectionHeaderTable not initialized!"); 2441f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return SectionHeaderTable->sh_size; 2442f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2443f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Header->e_shnum; 2444f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2445f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2446ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2447f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyuint64_t 2448ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getStringTableIndex() const { 2449f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shnum == ELF::SHN_UNDEF) { 2450f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shstrndx == ELF::SHN_HIRESERVE) 2451f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return SectionHeaderTable->sh_link; 2452f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shstrndx >= getNumSections()) 2453f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return 0; 2454f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2455f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Header->e_shstrndx; 2456f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2457f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2458ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2459f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<typename T> 2460f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyinline const T * 2461ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getEntry(uint16_t Section, uint32_t Entry) const { 2462f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getEntry<T>(getSection(Section), Entry); 2463f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2464f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2465ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2466f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<typename T> 2467f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyinline const T * 2468ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getEntry(const Elf_Shdr * Section, uint32_t Entry) const { 2469f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return reinterpret_cast<const T *>( 2470f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky base() 2471f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + Section->sh_offset 2472f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + (Entry * Section->sh_entsize)); 2473f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2474f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2475ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2476ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerconst typename ELFObjectFile<ELFT>::Elf_Sym * 2477ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getSymbol(DataRefImpl Symb) const { 2478f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getEntry<Elf_Sym>(SymbolTableSections[Symb.d.b], Symb.d.a); 2479f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2480f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2481ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2482ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerconst typename ELFObjectFile<ELFT>::Elf_Rel * 2483ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getRel(DataRefImpl Rel) const { 2484f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getEntry<Elf_Rel>(Rel.w.b, Rel.w.c); 2485f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2486f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2487ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2488ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerconst typename ELFObjectFile<ELFT>::Elf_Rela * 2489ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getRela(DataRefImpl Rela) const { 2490f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getEntry<Elf_Rela>(Rela.w.b, Rela.w.c); 2491f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2492f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2493ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2494ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerconst typename ELFObjectFile<ELFT>::Elf_Shdr * 2495ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getSection(DataRefImpl Symb) const { 2496f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Symb.d.b); 2497f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec->sh_type != ELF::SHT_SYMTAB || sec->sh_type != ELF::SHT_DYNSYM) 2498f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2499f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid symbol table section!"); 2500f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return sec; 2501f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2502f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2503ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2504ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerconst typename ELFObjectFile<ELFT>::Elf_Shdr * 2505ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. SpencerELFObjectFile<ELFT>::getSection(uint32_t index) const { 2506f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (index == 0) 2507f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return 0; 2508f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (!SectionHeaderTable || index >= getNumSections()) 2509f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2510f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section index!"); 2511f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2512f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return reinterpret_cast<const Elf_Shdr *>( 2513f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky reinterpret_cast<const char *>(SectionHeaderTable) 2514f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + (index * Header->e_shentsize)); 2515f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2516f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2517ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2518ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerconst char *ELFObjectFile<ELFT>::getString(uint32_t section, 2519ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer ELF::Elf32_Word offset) const { 2520f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getString(getSection(section), offset); 2521f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2522f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2523ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2524ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencerconst char *ELFObjectFile<ELFT>::getString(const Elf_Shdr *section, 2525ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer ELF::Elf32_Word offset) const { 2526f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky assert(section && section->sh_type == ELF::SHT_STRTAB && "Invalid section!"); 2527f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (offset >= section->sh_size) 2528f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2529f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Symbol name offset outside of string table!"); 2530f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return (const char *)base() + section->sh_offset + offset; 2531f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2532f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2533ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2534ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolName(const Elf_Shdr *section, 2535ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer const Elf_Sym *symb, 2536ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer StringRef &Result) const { 2537f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_name == 0) { 2538f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *section = getSection(symb); 2539f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (!section) 2540f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = ""; 2541f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 2542f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = getString(dot_shstrtab_sec, section->sh_name); 2543f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 2544f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2545f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2546dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (section == SymbolTableSections[0]) { 2547dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // Symbol is in .dynsym, use .dynstr string table 2548dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer Result = getString(dot_dynstr_sec, symb->st_name); 2549dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } else { 2550dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // Use the default symbol table name section. 2551dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer Result = getString(dot_strtab_sec, symb->st_name); 2552dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } 2553f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 2554f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2555f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2556ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2557ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSectionName(const Elf_Shdr *section, 2558ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer StringRef &Result) const { 25599dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta Result = StringRef(getString(dot_shstrtab_sec, section->sh_name)); 25609dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta return object_error::success; 25619dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta} 25629dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta 2563ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencertemplate<class ELFT> 2564ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencererror_code ELFObjectFile<ELFT>::getSymbolVersion(const Elf_Shdr *section, 2565ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer const Elf_Sym *symb, 2566ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer StringRef &Version, 2567ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer bool &IsDefault) const { 25682d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Handle non-dynamic symbols. 25692d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (section != SymbolTableSections[0]) { 25702d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Non-dynamic symbols can have versions in their names 25712d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // A name of the form 'foo@V1' indicates version 'V1', non-default. 25722d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // A name of the form 'foo@@V2' indicates version 'V2', default version. 25732d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef Name; 25742d70e263c2b508bf4641273dd89a23149f6f6164David Meyer error_code ec = getSymbolName(section, symb, Name); 25752d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (ec != object_error::success) 25762d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ec; 25772d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t atpos = Name.find('@'); 25782d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (atpos == StringRef::npos) { 25792d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = ""; 25802d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 25812d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 25822d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 25832d70e263c2b508bf4641273dd89a23149f6f6164David Meyer ++atpos; 25842d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (atpos < Name.size() && Name[atpos] == '@') { 25852d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = true; 25862d70e263c2b508bf4641273dd89a23149f6f6164David Meyer ++atpos; 25872d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } else { 25882d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 25892d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 25902d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = Name.substr(atpos); 25912d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 25922d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 25932d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 25942d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // This is a dynamic symbol. Look in the GNU symbol version table. 25952d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_sec == NULL) { 25962d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // No version table. 25972d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = ""; 25982d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 25992d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 26002d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 26012d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26022d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Determine the position in the symbol table of this entry. 26032d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_start = (const char*)base() + section->sh_offset; 26042d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t entry_index = ((const char*)symb - sec_start)/section->sh_entsize; 26052d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26062d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Get the corresponding version index entry 26072d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Versym *vs = getEntry<Elf_Versym>(dot_gnu_version_sec, entry_index); 26082d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t version_index = vs->vs_index & ELF::VERSYM_VERSION; 26092d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Special markers for unversioned symbols. 26112d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (version_index == ELF::VER_NDX_LOCAL || 26122d70e263c2b508bf4641273dd89a23149f6f6164David Meyer version_index == ELF::VER_NDX_GLOBAL) { 26132d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = ""; 26142d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 26152d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 26162d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 26172d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26182d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Lookup this symbol in the version table 26192d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionMap(); 26202d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (version_index >= VersionMap.size() || VersionMap[version_index].isNull()) 26212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Symbol has version index without corresponding " 26222d70e263c2b508bf4641273dd89a23149f6f6164David Meyer "define or reference entry"); 26232d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const VersionMapEntry &entry = VersionMap[version_index]; 26242d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26252d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Get the version name string 26262d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t name_offset; 26272d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (entry.isVerdef()) { 26282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // The first Verdaux entry holds the name. 26292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer name_offset = entry.getVerdef()->getAux()->vda_name; 26302d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } else { 26312d70e263c2b508bf4641273dd89a23149f6f6164David Meyer name_offset = entry.getVernaux()->vna_name; 26322d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 26332d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = getString(dot_dynstr_sec, name_offset); 26342d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26352d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Set IsDefault 26362d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (entry.isVerdef()) { 26372d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = !(vs->vs_index & ELF::VERSYM_HIDDEN); 26382d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } else { 26392d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 26402d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 26412d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26422d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 26432d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 26442d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26452d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// This is a generic interface for retrieving GNU symbol version 26462d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// information from an ELFObjectFile. 26472d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstatic inline error_code GetELFSymbolVersion(const ObjectFile *Obj, 26482d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const SymbolRef &Sym, 26492d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef &Version, 26502d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) { 26512d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Little-endian 32-bit 2652ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer if (const ELFObjectFile<ELFType<support::little, 4, false> > *ELFObj = 2653ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer dyn_cast<ELFObjectFile<ELFType<support::little, 4, false> > >(Obj)) 26542d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ELFObj->getSymbolVersion(Sym, Version, IsDefault); 26552d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26562d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Big-endian 32-bit 2657ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer if (const ELFObjectFile<ELFType<support::big, 4, false> > *ELFObj = 2658ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer dyn_cast<ELFObjectFile<ELFType<support::big, 4, false> > >(Obj)) 26592d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ELFObj->getSymbolVersion(Sym, Version, IsDefault); 26602d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26612d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Little-endian 64-bit 2662ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer if (const ELFObjectFile<ELFType<support::little, 8, true> > *ELFObj = 2663ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer dyn_cast<ELFObjectFile<ELFType<support::little, 8, true> > >(Obj)) 26642d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ELFObj->getSymbolVersion(Sym, Version, IsDefault); 26652d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26662d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Big-endian 64-bit 2667ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer if (const ELFObjectFile<ELFType<support::big, 8, true> > *ELFObj = 2668ac97f5ce486d1ca2967607028eacddd860aaddd0Michael J. Spencer dyn_cast<ELFObjectFile<ELFType<support::big, 8, true> > >(Obj)) 26692d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ELFObj->getSymbolVersion(Sym, Version, IsDefault); 26702d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26712d70e263c2b508bf4641273dd89a23149f6f6164David Meyer llvm_unreachable("Object passed to GetELFSymbolVersion() is not ELF"); 26722d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 26732d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2674f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2675f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2676f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2677f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#endif 2678