ELF.h revision a06fd990543c82c4cc735354914ae4be64eb83d6
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 17f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/ADT/SmallVector.h" 18f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/ADT/StringSwitch.h" 19f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/ADT/Triple.h" 20f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/ADT/DenseMap.h" 212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer#include "llvm/ADT/PointerIntPair.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 36689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd// Subclasses of ELFObjectFile may need this for template instantiation 37689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurdinline std::pair<unsigned char, unsigned char> 38689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston GurdgetElfArchType(MemoryBuffer *Object) { 39689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd if (Object->getBufferSize() < ELF::EI_NIDENT) 40689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd return std::make_pair((uint8_t)ELF::ELFCLASSNONE,(uint8_t)ELF::ELFDATANONE); 41689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd return std::make_pair( (uint8_t)Object->getBufferStart()[ELF::EI_CLASS] 42689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd , (uint8_t)Object->getBufferStart()[ELF::EI_DATA]); 43689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd} 44689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd 45f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// Templates to choose Elf_Addr and Elf_Off depending on is64Bits. 46f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness> 47f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct ELFDataTypeTypedefHelperCommon { 48f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 49f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky <uint16_t, target_endianness, support::aligned> Elf_Half; 50f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 51f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky <uint32_t, target_endianness, support::aligned> Elf_Word; 52f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 53f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky <int32_t, target_endianness, support::aligned> Elf_Sword; 54f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 55f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky <uint64_t, target_endianness, support::aligned> Elf_Xword; 56f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 57f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky <int64_t, target_endianness, support::aligned> Elf_Sxword; 58f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 59f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 60f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 61f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct ELFDataTypeTypedefHelper; 62f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 63f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky/// ELF 32bit types. 64f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness> 65f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct ELFDataTypeTypedefHelper<target_endianness, false> 66f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky : ELFDataTypeTypedefHelperCommon<target_endianness> { 67f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef uint32_t value_type; 68f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 69f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky <value_type, target_endianness, support::aligned> Elf_Addr; 70f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 71f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky <value_type, target_endianness, support::aligned> Elf_Off; 72f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 73f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 74f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky/// ELF 64bit types. 75f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness> 76f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct ELFDataTypeTypedefHelper<target_endianness, true> 77f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky : ELFDataTypeTypedefHelperCommon<target_endianness>{ 78f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef uint64_t value_type; 79f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 80f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky <value_type, target_endianness, support::aligned> Elf_Addr; 81f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 82f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky <value_type, target_endianness, support::aligned> Elf_Off; 83f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 84f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 85f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// I really don't like doing this, but the alternative is copypasta. 86f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#define LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits) \ 87f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytypedef typename \ 88f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Addr Elf_Addr; \ 89f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytypedef typename \ 90f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Off Elf_Off; \ 91f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytypedef typename \ 92f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Half Elf_Half; \ 93f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytypedef typename \ 94f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Word Elf_Word; \ 95f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytypedef typename \ 96f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Sword Elf_Sword; \ 97f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytypedef typename \ 98f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Xword Elf_Xword; \ 99f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytypedef typename \ 100f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Sxword Elf_Sxword; 101f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 102f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Section header. 103f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 104f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Shdr_Base; 105f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 106f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness> 107f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Shdr_Base<target_endianness, false> { 108f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_IMPORT_TYPES(target_endianness, false) 109f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_name; // Section name (index into string table) 110f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_type; // Section type (SHT_*) 111f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_flags; // Section flags (SHF_*) 112f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr sh_addr; // Address where section is to be loaded 113f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Off sh_offset; // File offset of section data, in bytes 114f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_size; // Size of section, in bytes 115f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_link; // Section type-specific header table index link 116f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_info; // Section type-specific extra information 117f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_addralign;// Section address alignment 118f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_entsize; // Size of records contained within the section 119f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 120f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 121f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness> 122f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Shdr_Base<target_endianness, true> { 123f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_IMPORT_TYPES(target_endianness, true) 124f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_name; // Section name (index into string table) 125f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_type; // Section type (SHT_*) 126f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword sh_flags; // Section flags (SHF_*) 127f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr sh_addr; // Address where section is to be loaded 128f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Off sh_offset; // File offset of section data, in bytes 129f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword sh_size; // Size of section, in bytes 130f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_link; // Section type-specific header table index link 131f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_info; // Section type-specific extra information 132f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword sh_addralign;// Section address alignment 133f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword sh_entsize; // Size of records contained within the section 134f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 135f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 136f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 137f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Shdr_Impl : Elf_Shdr_Base<target_endianness, is64Bits> { 138f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky using Elf_Shdr_Base<target_endianness, is64Bits>::sh_entsize; 139f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky using Elf_Shdr_Base<target_endianness, is64Bits>::sh_size; 140f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 141f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky /// @brief Get the number of entities this section contains if it has any. 142f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned getEntityCount() const { 143f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sh_entsize == 0) 144f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return 0; 145f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return sh_size / sh_entsize; 146f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 147f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 148f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 149f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 150f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Sym_Base; 151f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 152f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness> 153f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Sym_Base<target_endianness, false> { 154f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_IMPORT_TYPES(target_endianness, false) 155f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word st_name; // Symbol name (index into string table) 156f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr st_value; // Value or address associated with the symbol 157f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word st_size; // Size of the symbol 158f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char st_info; // Symbol's type and binding attributes 159f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char st_other; // Must be zero; reserved 160f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Half st_shndx; // Which section (header table index) it's defined in 161f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 162f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 163f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness> 164f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Sym_Base<target_endianness, true> { 165f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_IMPORT_TYPES(target_endianness, true) 166f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word st_name; // Symbol name (index into string table) 167f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char st_info; // Symbol's type and binding attributes 168f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char st_other; // Must be zero; reserved 169f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Half st_shndx; // Which section (header table index) it's defined in 170f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr st_value; // Value or address associated with the symbol 171f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword st_size; // Size of the symbol 172f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 173f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 174f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 175f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Sym_Impl : Elf_Sym_Base<target_endianness, is64Bits> { 176f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky using Elf_Sym_Base<target_endianness, is64Bits>::st_info; 177f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 178f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // These accessors and mutators correspond to the ELF32_ST_BIND, 179f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification: 180f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char getBinding() const { return st_info >> 4; } 181f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char getType() const { return st_info & 0x0f; } 182f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setBinding(unsigned char b) { setBindingAndType(b, getType()); } 183f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setType(unsigned char t) { setBindingAndType(getBinding(), t); } 184f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setBindingAndType(unsigned char b, unsigned char t) { 185f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky st_info = (b << 4) + (t & 0x0f); 186f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 187f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 188f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1892d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Versym: This is the structure of entries in the SHT_GNU_versym section 1902d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// (.gnu.version). This structure is identical for ELF32 and ELF64. 1912d70e263c2b508bf4641273dd89a23149f6f6164David Meyertemplate<support::endianness target_endianness, bool is64Bits> 1922d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Versym_Impl { 1932d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits) 1942d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vs_index; // Version index with flags (e.g. VERSYM_HIDDEN) 1952d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 1962d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 1972d70e263c2b508bf4641273dd89a23149f6f6164David Meyertemplate<support::endianness target_endianness, bool is64Bits> 1982d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Verdaux_Impl; 1992d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2002d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Verdef: This is the structure of entries in the SHT_GNU_verdef section 2012d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// (.gnu.version_d). This structure is identical for ELF32 and ELF64. 2022d70e263c2b508bf4641273dd89a23149f6f6164David Meyertemplate<support::endianness target_endianness, bool is64Bits> 2032d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Verdef_Impl { 2042d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits) 2052d70e263c2b508bf4641273dd89a23149f6f6164David Meyer typedef Elf_Verdaux_Impl<target_endianness, is64Bits> Elf_Verdaux; 2062d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vd_version; // Version of this structure (e.g. VER_DEF_CURRENT) 2072d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vd_flags; // Bitwise flags (VER_DEF_*) 2082d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vd_ndx; // Version index, used in .gnu.version entries 2092d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vd_cnt; // Number of Verdaux entries 2102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vd_hash; // Hash of name 2112d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vd_aux; // Offset to the first Verdaux entry (in bytes) 2122d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vd_next; // Offset to the next Verdef entry (in bytes) 2132d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2142d70e263c2b508bf4641273dd89a23149f6f6164David Meyer /// Get the first Verdaux entry for this Verdef. 2152d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Verdaux *getAux() const { 2162d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return reinterpret_cast<const Elf_Verdaux*>((const char*)this + vd_aux); 2172d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 2182d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2192d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 220d9b0b025612992a0b724eeca8bdf10b1d7a5c355Benjamin Kramer/// Elf_Verdaux: This is the structure of auxiliary data in the SHT_GNU_verdef 2212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// section (.gnu.version_d). This structure is identical for ELF32 and ELF64. 2222d70e263c2b508bf4641273dd89a23149f6f6164David Meyertemplate<support::endianness target_endianness, bool is64Bits> 2232d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Verdaux_Impl { 2242d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits) 2252d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vda_name; // Version name (offset in string table) 2262d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vda_next; // Offset to next Verdaux entry (in bytes) 2272d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Verneed: This is the structure of entries in the SHT_GNU_verneed 2302d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// section (.gnu.version_r). This structure is identical for ELF32 and ELF64. 2312d70e263c2b508bf4641273dd89a23149f6f6164David Meyertemplate<support::endianness target_endianness, bool is64Bits> 2322d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Verneed_Impl { 2332d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits) 2342d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vn_version; // Version of this structure (e.g. VER_NEED_CURRENT) 2352d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vn_cnt; // Number of associated Vernaux entries 2362d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vn_file; // Library name (string table offset) 2372d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vn_aux; // Offset to first Vernaux entry (in bytes) 2382d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vn_next; // Offset to next Verneed entry (in bytes) 2392d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2402d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2412d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Vernaux: This is the structure of auxiliary data in SHT_GNU_verneed 2422d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// section (.gnu.version_r). This structure is identical for ELF32 and ELF64. 2432d70e263c2b508bf4641273dd89a23149f6f6164David Meyertemplate<support::endianness target_endianness, bool is64Bits> 2442d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Vernaux_Impl { 2452d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits) 2462d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vna_hash; // Hash of dependency name 2472d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vna_flags; // Bitwise Flags (VER_FLAG_*) 2482d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vna_other; // Version index, used in .gnu.version entries 2492d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vna_name; // Dependency name 2502d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vna_next; // Offset to next Vernaux entry (in bytes) 2512d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2522d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2532d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Dyn_Base: This structure matches the form of entries in the dynamic 2542d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// table section (.dynamic) look like. 2555c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 2565c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerstruct Elf_Dyn_Base; 2575c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2585c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness> 2595c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerstruct Elf_Dyn_Base<target_endianness, false> { 2605c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer LLVM_ELF_IMPORT_TYPES(target_endianness, false) 2615c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Sword d_tag; 2625c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer union { 2635c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Word d_val; 2645c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Addr d_ptr; 2655c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } d_un; 2665c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer}; 2675c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2685c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness> 2695c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerstruct Elf_Dyn_Base<target_endianness, true> { 2705c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer LLVM_ELF_IMPORT_TYPES(target_endianness, true) 2715c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Sxword d_tag; 2725c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer union { 2735c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Xword d_val; 2745c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Addr d_ptr; 2755c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } d_un; 2765c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer}; 2775c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2782d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Dyn_Impl: This inherits from Elf_Dyn_Base, adding getters and setters. 2795c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 2805c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerstruct Elf_Dyn_Impl : Elf_Dyn_Base<target_endianness, is64Bits> { 2815c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer using Elf_Dyn_Base<target_endianness, is64Bits>::d_tag; 2825c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer using Elf_Dyn_Base<target_endianness, is64Bits>::d_un; 2835c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer int64_t getTag() const { return d_tag; } 2845c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer uint64_t getVal() const { return d_un.d_val; } 2855c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer uint64_t getPtr() const { return d_un.ptr; } 2865c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer}; 2875c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2885c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 2895c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerclass ELFObjectFile; 2905c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2915c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer// DynRefImpl: Reference to an entry in the dynamic table 2925c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer// This is an ELF-specific interface. 2935c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 2945c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerclass DynRefImpl { 2955c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer typedef Elf_Dyn_Impl<target_endianness, is64Bits> Elf_Dyn; 2965c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer typedef ELFObjectFile<target_endianness, is64Bits> OwningType; 2975c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2985c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DataRefImpl DynPimpl; 2995c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer const OwningType *OwningObject; 3005c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3015c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerpublic: 3023fd9b8422328a60664a5c631ec9519b58017fcbcDanil Malyshev DynRefImpl() : OwningObject(NULL) { } 3035c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3045c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DynRefImpl(DataRefImpl DynP, const OwningType *Owner); 3055c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3065c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer bool operator==(const DynRefImpl &Other) const; 3075c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer bool operator <(const DynRefImpl &Other) const; 3085c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3095c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer error_code getNext(DynRefImpl &Result) const; 3105c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer int64_t getTag() const; 3115c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer uint64_t getVal() const; 3125c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer uint64_t getPtr() const; 3135c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3145c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DataRefImpl getRawDataRefImpl() const; 3155c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer}; 3165c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3175c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer// Elf_Rel: Elf Relocation 318f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits, bool isRela> 319f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Rel_Base; 320f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 321f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness> 322f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Rel_Base<target_endianness, false, false> { 323f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_IMPORT_TYPES(target_endianness, false) 324f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr r_offset; // Location (file byte offset, or program virtual addr) 325f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word r_info; // Symbol table index and type of relocation to apply 326f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 327f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 328f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness> 329f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Rel_Base<target_endianness, true, false> { 330f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_IMPORT_TYPES(target_endianness, true) 331f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr r_offset; // Location (file byte offset, or program virtual addr) 332f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword r_info; // Symbol table index and type of relocation to apply 333f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 334f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 335f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness> 336f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Rel_Base<target_endianness, false, true> { 337f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_IMPORT_TYPES(target_endianness, false) 338f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr r_offset; // Location (file byte offset, or program virtual addr) 339f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word r_info; // Symbol table index and type of relocation to apply 340f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Sword r_addend; // Compute value for relocatable field by adding this 341f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 342f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 343f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness> 344f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Rel_Base<target_endianness, true, true> { 345f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_IMPORT_TYPES(target_endianness, true) 346f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr r_offset; // Location (file byte offset, or program virtual addr) 347f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword r_info; // Symbol table index and type of relocation to apply 348f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Sxword r_addend; // Compute value for relocatable field by adding this. 349f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 350f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 351f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits, bool isRela> 352f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Rel_Impl; 353f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 354f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool isRela> 355f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Rel_Impl<target_endianness, true, isRela> 356f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky : Elf_Rel_Base<target_endianness, true, isRela> { 357f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky using Elf_Rel_Base<target_endianness, true, isRela>::r_info; 358f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_IMPORT_TYPES(target_endianness, true) 359f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 360f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, 361f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // and ELF64_R_INFO macros defined in the ELF specification: 362f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t getSymbol() const { return (r_info >> 32); } 363f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char getType() const { 364f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return (unsigned char) (r_info & 0xffffffffL); 365f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 366f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setSymbol(uint64_t s) { setSymbolAndType(s, getType()); } 367f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } 368f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setSymbolAndType(uint64_t s, unsigned char t) { 369f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky r_info = (s << 32) + (t&0xffffffffL); 370f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 371f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 372f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 373f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool isRela> 374f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Rel_Impl<target_endianness, false, isRela> 375f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky : Elf_Rel_Base<target_endianness, false, isRela> { 376f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky using Elf_Rel_Base<target_endianness, false, isRela>::r_info; 377f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_IMPORT_TYPES(target_endianness, false) 378f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 379f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE, 380f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // and ELF32_R_INFO macros defined in the ELF specification: 381f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint32_t getSymbol() const { return (r_info >> 8); } 382f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); } 383f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setSymbol(uint32_t s) { setSymbolAndType(s, getType()); } 384f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } 385f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setSymbolAndType(uint32_t s, unsigned char t) { 386f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky r_info = (s << 8) + t; 387f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 388f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 389f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 3902c38a6615a693d0a43159825da2358126473502bMichael J. Spencertemplate<support::endianness target_endianness, bool is64Bits> 3912c38a6615a693d0a43159825da2358126473502bMichael J. Spencerstruct Elf_Ehdr_Impl { 3922c38a6615a693d0a43159825da2358126473502bMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits) 3932c38a6615a693d0a43159825da2358126473502bMichael J. Spencer unsigned char e_ident[ELF::EI_NIDENT]; // ELF Identification bytes 3942c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_type; // Type of file (see ET_*) 3952c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_machine; // Required architecture for this file (see EM_*) 3962c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Word e_version; // Must be equal to 1 3972c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Addr e_entry; // Address to jump to in order to start program 3982c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Off e_phoff; // Program header table's file offset, in bytes 3992c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Off e_shoff; // Section header table's file offset, in bytes 4002c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Word e_flags; // Processor-specific flags 4012c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_ehsize; // Size of ELF header, in bytes 4022c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_phentsize;// Size of an entry in the program header table 4032c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_phnum; // Number of entries in the program header table 4042c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_shentsize;// Size of an entry in the section header table 4052c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_shnum; // Number of entries in the section header table 4062c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_shstrndx; // Section header table index of section name 4072c38a6615a693d0a43159825da2358126473502bMichael J. Spencer // string table 4082c38a6615a693d0a43159825da2358126473502bMichael J. Spencer bool checkMagic() const { 4092c38a6615a693d0a43159825da2358126473502bMichael J. Spencer return (memcmp(e_ident, ELF::ElfMagic, strlen(ELF::ElfMagic))) == 0; 4102c38a6615a693d0a43159825da2358126473502bMichael J. Spencer } 4112c38a6615a693d0a43159825da2358126473502bMichael J. Spencer unsigned char getFileClass() const { return e_ident[ELF::EI_CLASS]; } 4122c38a6615a693d0a43159825da2358126473502bMichael J. Spencer unsigned char getDataEncoding() const { return e_ident[ELF::EI_DATA]; } 4132c38a6615a693d0a43159825da2358126473502bMichael J. Spencer}; 414f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 415f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 416a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarnistruct Elf_Phdr; 417a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni 418a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarnitemplate<support::endianness target_endianness> 419a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarnistruct Elf_Phdr<target_endianness, false> { 420a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni LLVM_ELF_IMPORT_TYPES(target_endianness, false) 421a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_type; // Type of segment 422a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Off p_offset; // FileOffset where segment is located, in bytes 423a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Addr p_vaddr; // Virtual Address of beginning of segment 424a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific) 425a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_filesz; // Num. of bytes in file image of segment (may be zero) 426a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_memsz; // Num. of bytes in mem image of segment (may be zero) 427a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_flags; // Segment flags 428a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_align; // Segment alignment constraint 429a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni}; 430a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni 431a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarnitemplate<support::endianness target_endianness> 432a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarnistruct Elf_Phdr<target_endianness, true> { 433a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni LLVM_ELF_IMPORT_TYPES(target_endianness, true) 434a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_type; // Type of segment 435a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_flags; // Segment flags 436a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Off p_offset; // FileOffset where segment is located, in bytes 437a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Addr p_vaddr; // Virtual Address of beginning of segment 438a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific) 439a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_filesz; // Num. of bytes in file image of segment (may be zero) 440a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_memsz; // Num. of bytes in mem image of segment (may be zero) 441a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_align; // Segment alignment constraint 442a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni}; 443a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni 444a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarnitemplate<support::endianness target_endianness, bool is64Bits> 445f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyclass ELFObjectFile : public ObjectFile { 446f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits) 447f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 4482c38a6615a693d0a43159825da2358126473502bMichael J. Spencer typedef Elf_Ehdr_Impl<target_endianness, is64Bits> Elf_Ehdr; 449f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef Elf_Shdr_Impl<target_endianness, is64Bits> Elf_Shdr; 450f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef Elf_Sym_Impl<target_endianness, is64Bits> Elf_Sym; 4515c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer typedef Elf_Dyn_Impl<target_endianness, is64Bits> Elf_Dyn; 452f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef Elf_Rel_Impl<target_endianness, is64Bits, false> Elf_Rel; 453f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef Elf_Rel_Impl<target_endianness, is64Bits, true> Elf_Rela; 4542d70e263c2b508bf4641273dd89a23149f6f6164David Meyer typedef Elf_Verdef_Impl<target_endianness, is64Bits> Elf_Verdef; 4552d70e263c2b508bf4641273dd89a23149f6f6164David Meyer typedef Elf_Verdaux_Impl<target_endianness, is64Bits> Elf_Verdaux; 4562d70e263c2b508bf4641273dd89a23149f6f6164David Meyer typedef Elf_Verneed_Impl<target_endianness, is64Bits> Elf_Verneed; 4572d70e263c2b508bf4641273dd89a23149f6f6164David Meyer typedef Elf_Vernaux_Impl<target_endianness, is64Bits> Elf_Vernaux; 4582d70e263c2b508bf4641273dd89a23149f6f6164David Meyer typedef Elf_Versym_Impl<target_endianness, is64Bits> Elf_Versym; 4595c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer typedef DynRefImpl<target_endianness, is64Bits> DynRef; 4605c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer typedef content_iterator<DynRef> dyn_iterator; 461f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 462f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyprotected: 463f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // This flag is used for classof, to distinguish ELFObjectFile from 464f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // its subclass. If more subclasses will be created, this flag will 465f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // have to become an enum. 466f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool isDyldELFObject; 467f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 468f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyprivate: 469f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef SmallVector<const Elf_Shdr*, 1> Sections_t; 470f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef DenseMap<unsigned, unsigned> IndexMap_t; 471f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef DenseMap<const Elf_Shdr*, SmallVector<uint32_t, 1> > RelocMap_t; 472f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 473f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Ehdr *Header; 474f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *SectionHeaderTable; 475f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *dot_shstrtab_sec; // Section header string table. 476f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *dot_strtab_sec; // Symbol header string table. 477dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer const Elf_Shdr *dot_dynstr_sec; // Dynamic symbol string table. 4782d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 4792d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // SymbolTableSections[0] always points to the dynamic string table section 4802d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // header, or NULL if there is no dynamic string table. 481f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Sections_t SymbolTableSections; 482f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky IndexMap_t SymbolTableSectionsIndexMap; 483f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DenseMap<const Elf_Sym*, ELF::Elf64_Word> ExtendedSymbolTable; 484f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 4852d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Shdr *dot_dynamic_sec; // .dynamic 4862d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Shdr *dot_gnu_version_sec; // .gnu.version 4872d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Shdr *dot_gnu_version_r_sec; // .gnu.version_r 4882d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Shdr *dot_gnu_version_d_sec; // .gnu.version_d 4892d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 49097f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer // Pointer to SONAME entry in dynamic string table 49197f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer // This is set the first time getLoadName is called. 49297f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer mutable const char *dt_soname; 4935c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 4949b7ca410621f6988b2d4203b90058dd4252848a8Sid Manningpublic: 4959b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning /// \brief Iterate over relocations in a .rel or .rela section. 4969b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning template<class RelocT> 4979b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning class ELFRelocationIterator { 4989b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning public: 4999b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef void difference_type; 5009b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef const RelocT value_type; 5019b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef std::forward_iterator_tag iterator_category; 5029b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef value_type &reference; 5039b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef value_type *pointer; 5049b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5059b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning /// \brief Default construct iterator. 5069b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning ELFRelocationIterator() : Section(0), Current(0) {} 5079b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning ELFRelocationIterator(const Elf_Shdr *Sec, const char *Start) 5089b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning : Section(Sec) 5099b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning , Current(Start) {} 5109b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5119b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning reference operator *() { 5129b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning assert(Current && "Attempted to dereference an invalid iterator!"); 5139b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return *reinterpret_cast<const RelocT*>(Current); 5149b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5159b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5169b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning pointer operator ->() { 5179b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning assert(Current && "Attempted to dereference an invalid iterator!"); 5189b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return reinterpret_cast<const RelocT*>(Current); 5199b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5209b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5219b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning bool operator ==(const ELFRelocationIterator &Other) { 5229b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return Section == Other.Section && Current == Other.Current; 5239b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5249b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5259b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning bool operator !=(const ELFRelocationIterator &Other) { 5269b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return !(*this == Other); 5279b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5289b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5299b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning ELFRelocationIterator &operator ++(int) { 5309b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning assert(Current && "Attempted to increment an invalid iterator!"); 5319b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning Current += Section->sh_entsize; 5329b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return *this; 5339b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5349b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5359b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning ELFRelocationIterator operator ++() { 5369b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning ELFRelocationIterator Tmp = *this; 5379b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning ++*this; 5389b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return Tmp; 5399b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5409b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5419b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning private: 5429b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning const Elf_Shdr *Section; 5439b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning const char *Current; 5449b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning }; 5459b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5469b7ca410621f6988b2d4203b90058dd4252848a8Sid Manningprivate: 5472d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Records for each version index the corresponding Verdef or Vernaux entry. 5482d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // This is filled the first time LoadVersionMap() is called. 5492d70e263c2b508bf4641273dd89a23149f6f6164David Meyer class VersionMapEntry : public PointerIntPair<const void*, 1> { 5502d70e263c2b508bf4641273dd89a23149f6f6164David Meyer public: 5512d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // If the integer is 0, this is an Elf_Verdef*. 5522d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // If the integer is 1, this is an Elf_Vernaux*. 5532d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMapEntry() : PointerIntPair<const void*, 1>(NULL, 0) { } 5542d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMapEntry(const Elf_Verdef *verdef) 5552d70e263c2b508bf4641273dd89a23149f6f6164David Meyer : PointerIntPair<const void*, 1>(verdef, 0) { } 5562d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMapEntry(const Elf_Vernaux *vernaux) 5572d70e263c2b508bf4641273dd89a23149f6f6164David Meyer : PointerIntPair<const void*, 1>(vernaux, 1) { } 5582d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool isNull() const { return getPointer() == NULL; } 5592d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool isVerdef() const { return !isNull() && getInt() == 0; } 5602d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool isVernaux() const { return !isNull() && getInt() == 1; } 5612d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Verdef *getVerdef() const { 5622d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return isVerdef() ? (const Elf_Verdef*)getPointer() : NULL; 5632d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 5642d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Vernaux *getVernaux() const { 5652d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return isVernaux() ? (const Elf_Vernaux*)getPointer() : NULL; 5662d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 5672d70e263c2b508bf4641273dd89a23149f6f6164David Meyer }; 5682d70e263c2b508bf4641273dd89a23149f6f6164David Meyer mutable SmallVector<VersionMapEntry, 16> VersionMap; 5692d70e263c2b508bf4641273dd89a23149f6f6164David Meyer void LoadVersionDefs(const Elf_Shdr *sec) const; 5702d70e263c2b508bf4641273dd89a23149f6f6164David Meyer void LoadVersionNeeds(const Elf_Shdr *ec) const; 5712d70e263c2b508bf4641273dd89a23149f6f6164David Meyer void LoadVersionMap() const; 5722d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 573f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky /// @brief Map sections to an array of relocation sections that reference 574f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky /// them sorted by section index. 575f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelocMap_t SectionRelocMap; 576f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 577f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky /// @brief Get the relocation section that contains \a Rel. 578f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *getRelSection(DataRefImpl Rel) const { 579f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getSection(Rel.w.b); 580f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 581f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 582f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool isRelocationHasAddend(DataRefImpl Rel) const; 583f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky template<typename T> 584f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const T *getEntry(uint16_t Section, uint32_t Entry) const; 585f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky template<typename T> 586f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const T *getEntry(const Elf_Shdr *Section, uint32_t Entry) const; 587f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *getSection(DataRefImpl index) const; 588f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *getSection(uint32_t index) const; 589f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Rel *getRel(DataRefImpl Rel) const; 590f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Rela *getRela(DataRefImpl Rela) const; 591f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const char *getString(uint32_t section, uint32_t offset) const; 592f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const char *getString(const Elf_Shdr *section, uint32_t offset) const; 5932d70e263c2b508bf4641273dd89a23149f6f6164David Meyer error_code getSymbolVersion(const Elf_Shdr *section, 5942d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Sym *Symb, 5952d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef &Version, 5962d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) const; 597dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer void VerifyStrTab(const Elf_Shdr *sh) const; 598f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 599f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyprotected: 600f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *getSymbol(DataRefImpl Symb) const; // FIXME: Should be private? 601f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void validateSymbol(DataRefImpl Symb) const; 602f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 6035c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerpublic: 6049dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta error_code getSymbolName(const Elf_Shdr *section, 6059dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta const Elf_Sym *Symb, 6069dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Res) const; 6079dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta error_code getSectionName(const Elf_Shdr *section, 6089dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Res) const; 6095c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer const Elf_Dyn *getDyn(DataRefImpl DynData) const; 6102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer error_code getSymbolVersion(SymbolRef Symb, StringRef &Version, 6112d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) const; 612f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyprotected: 613f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const; 614f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const; 615f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res) const; 616f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const; 617f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const; 618f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const; 619c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer virtual error_code getSymbolFlags(DataRefImpl Symb, uint32_t &Res) const; 620f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolType(DataRefImpl Symb, SymbolRef::Type &Res) const; 621f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolSection(DataRefImpl Symb, 622f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky section_iterator &Res) const; 623f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 6245c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer friend class DynRefImpl<target_endianness, is64Bits>; 6255c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual error_code getDynNext(DataRefImpl DynData, DynRef &Result) const; 6265c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 6275c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual error_code getLibraryNext(DataRefImpl Data, LibraryRef &Result) const; 6285c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual error_code getLibraryPath(DataRefImpl Data, StringRef &Res) const; 6295c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 630f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const; 631f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const; 632f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const; 633f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const; 634f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const; 635f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const; 636f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const; 637f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const; 638f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const; 639c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd virtual error_code isSectionRequiredForExecution(DataRefImpl Sec, 640c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd bool &Res) const; 641c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const; 642c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const; 643f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb, 644f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool &Result) const; 645f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const; 646f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const; 647f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 648f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationNext(DataRefImpl Rel, 649f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelocationRef &Res) const; 650f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationAddress(DataRefImpl Rel, 651f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Res) const; 652f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationOffset(DataRefImpl Rel, 653f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Res) const; 654f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationSymbol(DataRefImpl Rel, 655f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolRef &Res) const; 656f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationType(DataRefImpl Rel, 657f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Res) const; 658f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationTypeName(DataRefImpl Rel, 659f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SmallVectorImpl<char> &Result) const; 660f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel, 661f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky int64_t &Res) const; 662f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationValueString(DataRefImpl Rel, 663f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SmallVectorImpl<char> &Result) const; 664f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 665f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskypublic: 666f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELFObjectFile(MemoryBuffer *Object, error_code &ec); 667f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual symbol_iterator begin_symbols() const; 668f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual symbol_iterator end_symbols() const; 6695c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 670dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer virtual symbol_iterator begin_dynamic_symbols() const; 671dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer virtual symbol_iterator end_dynamic_symbols() const; 6725c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 673f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual section_iterator begin_sections() const; 674f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual section_iterator end_sections() const; 675f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 6765c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual library_iterator begin_libraries_needed() const; 6775c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual library_iterator end_libraries_needed() const; 6785c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 6795c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual dyn_iterator begin_dynamic_table() const; 6805c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual dyn_iterator end_dynamic_table() const; 6815c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 6829b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef ELFRelocationIterator<Elf_Rela> Elf_Rela_Iter; 6839b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef ELFRelocationIterator<Elf_Rel> Elf_Rel_Iter; 6849b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 6859b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning virtual Elf_Rela_Iter beginELFRela(const Elf_Shdr *sec) const { 6869b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return Elf_Rela_Iter(sec, (const char *)(base() + sec->sh_offset)); 687419e5b9d4f8bd0e0724b7b2c2d8df0f534bc8d8dRichard Smith } 6889b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 6899b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning virtual Elf_Rela_Iter endELFRela(const Elf_Shdr *sec) const { 6909b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return Elf_Rela_Iter(sec, (const char *) 6919b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning (base() + sec->sh_offset + sec->sh_size)); 692419e5b9d4f8bd0e0724b7b2c2d8df0f534bc8d8dRichard Smith } 6939b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 6949b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning virtual Elf_Rel_Iter beginELFRel(const Elf_Shdr *sec) const { 6959b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return Elf_Rel_Iter(sec, (const char *)(base() + sec->sh_offset)); 696419e5b9d4f8bd0e0724b7b2c2d8df0f534bc8d8dRichard Smith } 6979b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 6989b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning virtual Elf_Rel_Iter endELFRel(const Elf_Shdr *sec) const { 6999b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return Elf_Rel_Iter(sec, (const char *) 7009b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning (base() + sec->sh_offset + sec->sh_size)); 701419e5b9d4f8bd0e0724b7b2c2d8df0f534bc8d8dRichard Smith } 7029b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 703f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual uint8_t getBytesInAddress() const; 704f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual StringRef getFileFormatName() const; 7052d70e263c2b508bf4641273dd89a23149f6f6164David Meyer virtual StringRef getObjectType() const { return "ELF"; } 706f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual unsigned getArch() const; 70797f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer virtual StringRef getLoadName() const; 7089dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta virtual error_code getSectionContents(const Elf_Shdr *sec, 7099dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Res) const; 710f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 711f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t getNumSections() const; 712f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t getStringTableIndex() const; 713f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELF::Elf64_Word getSymbolTableIndex(const Elf_Sym *symb) const; 714f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *getSection(const Elf_Sym *symb) const; 7159dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta const Elf_Shdr *getElfSection(section_iterator &It) const; 7169dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta const Elf_Sym *getElfSymbol(symbol_iterator &It) const; 7179b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning const Elf_Sym *getElfSymbol(uint32_t index) const; 718f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 719f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Methods for type inquiry through isa, cast, and dyn_cast 720f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool isDyldType() const { return isDyldELFObject; } 721f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky static inline bool classof(const Binary *v) { 7226f9489a86f33624f9ff5388411d12359ce9cef20David Meyer return v->getType() == getELFType(target_endianness == support::little, 7236f9489a86f33624f9ff5388411d12359ce9cef20David Meyer is64Bits); 724f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 725f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky static inline bool classof(const ELFObjectFile *v) { return true; } 726f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 727f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 7282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer// Iterate through the version definitions, and place each Elf_Verdef 7292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer// in the VersionMap according to its index. 7302d70e263c2b508bf4641273dd89a23149f6f6164David Meyertemplate<support::endianness target_endianness, bool is64Bits> 7312d70e263c2b508bf4641273dd89a23149f6f6164David Meyervoid ELFObjectFile<target_endianness, is64Bits>:: 7322d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionDefs(const Elf_Shdr *sec) const { 7332d70e263c2b508bf4641273dd89a23149f6f6164David Meyer unsigned vd_size = sec->sh_size; // Size of section in bytes 7342d70e263c2b508bf4641273dd89a23149f6f6164David Meyer unsigned vd_count = sec->sh_info; // Number of Verdef entries 7352d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_start = (const char*)base() + sec->sh_offset; 7362d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_end = sec_start + vd_size; 7372d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // The first Verdef entry is at the start of the section. 7382d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *p = sec_start; 7392d70e263c2b508bf4641273dd89a23149f6f6164David Meyer for (unsigned i = 0; i < vd_count; i++) { 7402d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (p + sizeof(Elf_Verdef) > sec_end) 7412d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Section ended unexpectedly while scanning " 7422d70e263c2b508bf4641273dd89a23149f6f6164David Meyer "version definitions."); 7432d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Verdef *vd = reinterpret_cast<const Elf_Verdef *>(p); 7442d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (vd->vd_version != ELF::VER_DEF_CURRENT) 7452d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Unexpected verdef version"); 7462d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t index = vd->vd_ndx & ELF::VERSYM_VERSION; 7472d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (index >= VersionMap.size()) 7482d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap.resize(index+1); 7492d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap[index] = VersionMapEntry(vd); 7502d70e263c2b508bf4641273dd89a23149f6f6164David Meyer p += vd->vd_next; 7512d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 7522d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 7532d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 7542d70e263c2b508bf4641273dd89a23149f6f6164David Meyer// Iterate through the versions needed section, and place each Elf_Vernaux 7552d70e263c2b508bf4641273dd89a23149f6f6164David Meyer// in the VersionMap according to its index. 7562d70e263c2b508bf4641273dd89a23149f6f6164David Meyertemplate<support::endianness target_endianness, bool is64Bits> 7572d70e263c2b508bf4641273dd89a23149f6f6164David Meyervoid ELFObjectFile<target_endianness, is64Bits>:: 7582d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionNeeds(const Elf_Shdr *sec) const { 7592d70e263c2b508bf4641273dd89a23149f6f6164David Meyer unsigned vn_size = sec->sh_size; // Size of section in bytes 7602d70e263c2b508bf4641273dd89a23149f6f6164David Meyer unsigned vn_count = sec->sh_info; // Number of Verneed entries 7612d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_start = (const char*)base() + sec->sh_offset; 7622d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_end = sec_start + vn_size; 7632d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // The first Verneed entry is at the start of the section. 7642d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *p = sec_start; 7652d70e263c2b508bf4641273dd89a23149f6f6164David Meyer for (unsigned i = 0; i < vn_count; i++) { 7662d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (p + sizeof(Elf_Verneed) > sec_end) 7672d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Section ended unexpectedly while scanning " 7682d70e263c2b508bf4641273dd89a23149f6f6164David Meyer "version needed records."); 7692d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Verneed *vn = reinterpret_cast<const Elf_Verneed *>(p); 7702d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (vn->vn_version != ELF::VER_NEED_CURRENT) 7712d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Unexpected verneed version"); 7722d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Iterate through the Vernaux entries 7732d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *paux = p + vn->vn_aux; 7742d70e263c2b508bf4641273dd89a23149f6f6164David Meyer for (unsigned j = 0; j < vn->vn_cnt; j++) { 7752d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (paux + sizeof(Elf_Vernaux) > sec_end) 7762d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Section ended unexpected while scanning auxiliary " 7772d70e263c2b508bf4641273dd89a23149f6f6164David Meyer "version needed records."); 7782d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Vernaux *vna = reinterpret_cast<const Elf_Vernaux *>(paux); 7792d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t index = vna->vna_other & ELF::VERSYM_VERSION; 7802d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (index >= VersionMap.size()) 7812d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap.resize(index+1); 7822d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap[index] = VersionMapEntry(vna); 7832d70e263c2b508bf4641273dd89a23149f6f6164David Meyer paux += vna->vna_next; 7842d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 7852d70e263c2b508bf4641273dd89a23149f6f6164David Meyer p += vn->vn_next; 7862d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 7872d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 7882d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 7892d70e263c2b508bf4641273dd89a23149f6f6164David Meyertemplate<support::endianness target_endianness, bool is64Bits> 7902d70e263c2b508bf4641273dd89a23149f6f6164David Meyervoid ELFObjectFile<target_endianness, is64Bits>::LoadVersionMap() const { 7912d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // If there is no dynamic symtab or version table, there is nothing to do. 7922d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (SymbolTableSections[0] == NULL || dot_gnu_version_sec == NULL) 7932d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return; 7942d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 7952d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Has the VersionMap already been loaded? 7962d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (VersionMap.size() > 0) 7972d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return; 7982d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 7992d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // The first two version indexes are reserved. 8002d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Index 0 is LOCAL, index 1 is GLOBAL. 8012d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap.push_back(VersionMapEntry()); 8022d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap.push_back(VersionMapEntry()); 8032d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8042d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_d_sec) 8052d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionDefs(dot_gnu_version_d_sec); 8062d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8072d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_r_sec) 8082d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionNeeds(dot_gnu_version_r_sec); 8092d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 8102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 811f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 812f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyvoid ELFObjectFile<target_endianness, is64Bits> 813f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::validateSymbol(DataRefImpl Symb) const { 814f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 815f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *SymbolTableSection = SymbolTableSections[Symb.d.b]; 816f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: We really need to do proper error handling in the case of an invalid 817f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // input file. Because we don't use exceptions, I think we'll just pass 818f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // an error object around. 819f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (!( symb 820f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && SymbolTableSection 821f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && symb >= (const Elf_Sym*)(base() 822f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + SymbolTableSection->sh_offset) 823f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && symb < (const Elf_Sym*)(base() 824f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + SymbolTableSection->sh_offset 825f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + SymbolTableSection->sh_size))) 826f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 827f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Symb must point to a valid symbol!"); 828f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 829f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 830f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 831f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 832f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolNext(DataRefImpl Symb, 833f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolRef &Result) const { 834f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 835f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *SymbolTableSection = SymbolTableSections[Symb.d.b]; 836f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 837f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++Symb.d.a; 838f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Check to see if we are at the end of this symbol table. 839f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Symb.d.a >= SymbolTableSection->getEntityCount()) { 840f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // We are at the end. If there are other symbol tables, jump to them. 841dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // If the symbol table is .dynsym, we are iterating dynamic symbols, 842dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // and there is only one table of these. 843dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (Symb.d.b != 0) { 844dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer ++Symb.d.b; 845dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer Symb.d.a = 1; // The 0th symbol in ELF is fake. 846dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } 847f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Otherwise return the terminator. 848dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (Symb.d.b == 0 || Symb.d.b >= SymbolTableSections.size()) { 849f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Symb.d.a = std::numeric_limits<uint32_t>::max(); 850f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Symb.d.b = std::numeric_limits<uint32_t>::max(); 851f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 852f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 853f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 854f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef(Symb, this); 855f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 856f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 857f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 858f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 859f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 860f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolName(DataRefImpl Symb, 861f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef &Result) const { 862f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 863f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 864dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer return getSymbolName(SymbolTableSections[Symb.d.b], symb, Result); 865f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 866f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 867f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 8682d70e263c2b508bf4641273dd89a23149f6f6164David Meyererror_code ELFObjectFile<target_endianness, is64Bits> 8692d70e263c2b508bf4641273dd89a23149f6f6164David Meyer ::getSymbolVersion(SymbolRef SymRef, 8702d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef &Version, 8712d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) const { 8722d70e263c2b508bf4641273dd89a23149f6f6164David Meyer DataRefImpl Symb = SymRef.getRawDataRefImpl(); 8732d70e263c2b508bf4641273dd89a23149f6f6164David Meyer validateSymbol(Symb); 8742d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Sym *symb = getSymbol(Symb); 8752d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return getSymbolVersion(SymbolTableSections[Symb.d.b], symb, 8762d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version, IsDefault); 8772d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 8782d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8792d70e263c2b508bf4641273dd89a23149f6f6164David Meyertemplate<support::endianness target_endianness, bool is64Bits> 880f4eff4baeb44f9dee988e9293d029dcaa359420dEli BenderskyELF::Elf64_Word ELFObjectFile<target_endianness, is64Bits> 881f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolTableIndex(const Elf_Sym *symb) const { 882f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_shndx == ELF::SHN_XINDEX) 883f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return ExtendedSymbolTable.lookup(symb); 884f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return symb->st_shndx; 885f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 886f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 887f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 888f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyconst typename ELFObjectFile<target_endianness, is64Bits>::Elf_Shdr * 889f4eff4baeb44f9dee988e9293d029dcaa359420dEli BenderskyELFObjectFile<target_endianness, is64Bits> 890f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSection(const Elf_Sym *symb) const { 891f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_shndx == ELF::SHN_XINDEX) 892f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getSection(ExtendedSymbolTable.lookup(symb)); 893f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_shndx >= ELF::SHN_LORESERVE) 894f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return 0; 895f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getSection(symb->st_shndx); 896f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 897f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 898f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 8999dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasguptaconst typename ELFObjectFile<target_endianness, is64Bits>::Elf_Shdr * 9009dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman DasguptaELFObjectFile<target_endianness, is64Bits> 9019dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta ::getElfSection(section_iterator &It) const { 9029dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta llvm::object::DataRefImpl ShdrRef = It->getRawDataRefImpl(); 9039669f749764997ab7033d5c4b0546fe739dd71d8Michael J. Spencer return reinterpret_cast<const Elf_Shdr *>(ShdrRef.p); 9049dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta} 9059dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta 9069dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasguptatemplate<support::endianness target_endianness, bool is64Bits> 9079dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasguptaconst typename ELFObjectFile<target_endianness, is64Bits>::Elf_Sym * 9089dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman DasguptaELFObjectFile<target_endianness, is64Bits> 9099dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta ::getElfSymbol(symbol_iterator &It) const { 9109dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta return getSymbol(It->getRawDataRefImpl()); 9119dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta} 9129dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta 9139dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasguptatemplate<support::endianness target_endianness, bool is64Bits> 9149b7ca410621f6988b2d4203b90058dd4252848a8Sid Manningconst typename ELFObjectFile<target_endianness, is64Bits>::Elf_Sym * 9159b7ca410621f6988b2d4203b90058dd4252848a8Sid ManningELFObjectFile<target_endianness, is64Bits> 9169b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning ::getElfSymbol(uint32_t index) const { 9179b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning DataRefImpl SymbolData; 9189b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning SymbolData.d.a = index; 9199b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning SymbolData.d.b = 1; 9209b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return getSymbol(SymbolData); 9219b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning} 9229b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 9239b7ca410621f6988b2d4203b90058dd4252848a8Sid Manningtemplate<support::endianness target_endianness, bool is64Bits> 924f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 925f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolFileOffset(DataRefImpl Symb, 926f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 927f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 928f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 929f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *Section; 930f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (getSymbolTableIndex(symb)) { 931f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_COMMON: 932f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Unintialized symbols have no offset in the object file 933f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_UNDEF: 934f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 935f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 936f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_ABS: 937f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = symb->st_value; 938f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 939f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: Section = getSection(symb); 940f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 941f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 942f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (symb->getType()) { 943f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_SECTION: 944f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = Section ? Section->sh_addr : UnknownAddressOrSize; 945f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 946f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_FUNC: 947f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_OBJECT: 948f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_NOTYPE: 949f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = symb->st_value + 950f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky (Section ? Section->sh_offset : 0); 951f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 952f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 953f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 954f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 955f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 956f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 957f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 958f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 959f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 960f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolAddress(DataRefImpl Symb, 961f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 962f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 963f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 964f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *Section; 965f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (getSymbolTableIndex(symb)) { 966f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_COMMON: 967f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_UNDEF: 968f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 969f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 970f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_ABS: 971f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = symb->st_value; 972f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 973f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: Section = getSection(symb); 974f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 975f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 976f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (symb->getType()) { 977f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_SECTION: 978f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = Section ? Section->sh_addr : UnknownAddressOrSize; 979f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 980f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_FUNC: 981f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_OBJECT: 982f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_NOTYPE: 98301fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov bool IsRelocatable; 98401fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov switch(Header->e_type) { 98501fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov case ELF::ET_EXEC: 98601fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov case ELF::ET_DYN: 98701fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov IsRelocatable = false; 98801fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov break; 98901fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov default: 99001fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov IsRelocatable = true; 99101fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov } 99201fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov Result = symb->st_value; 99301fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov if (IsRelocatable && Section != 0) 99401fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov Result += Section->sh_addr; 995f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 996f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 997f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 998f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 999f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1000f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1001f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1002f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1003f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1004f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolSize(DataRefImpl Symb, 1005f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1006f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1007f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1008f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_size == 0) 1009f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 1010f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = symb->st_size; 1011f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1012f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1013f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1014f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1015f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1016f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolNMTypeChar(DataRefImpl Symb, 1017f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky char &Result) const { 1018f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1019f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1020f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *Section = getSection(symb); 1021f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1022f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky char ret = '?'; 1023f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1024f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Section) { 1025f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (Section->sh_type) { 1026f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_PROGBITS: 1027f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_DYNAMIC: 1028f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (Section->sh_flags) { 1029f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case (ELF::SHF_ALLOC | ELF::SHF_EXECINSTR): 1030f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 't'; break; 1031f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case (ELF::SHF_ALLOC | ELF::SHF_WRITE): 1032f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'd'; break; 1033f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHF_ALLOC: 1034f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case (ELF::SHF_ALLOC | ELF::SHF_MERGE): 1035f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case (ELF::SHF_ALLOC | ELF::SHF_MERGE | ELF::SHF_STRINGS): 1036f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'r'; break; 1037f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1038f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1039f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_NOBITS: ret = 'b'; 1040f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1041f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1042f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1043f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (getSymbolTableIndex(symb)) { 1044f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_UNDEF: 1045f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (ret == '?') 1046f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'U'; 1047f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1048f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_ABS: ret = 'a'; break; 1049f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_COMMON: ret = 'c'; break; 1050f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1051f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1052f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (symb->getBinding()) { 1053f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STB_GLOBAL: ret = ::toupper(ret); break; 1054f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STB_WEAK: 1055f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (getSymbolTableIndex(symb) == ELF::SHN_UNDEF) 1056f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'w'; 1057f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1058f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->getType() == ELF::STT_OBJECT) 1059f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'V'; 1060f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1061f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'W'; 1062f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1063f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1064f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (ret == '?' && symb->getType() == ELF::STT_SECTION) { 1065f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef name; 1066f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (error_code ec = getSymbolName(Symb, name)) 1067f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return ec; 1068f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = StringSwitch<char>(name) 1069f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky .StartsWith(".debug", 'N') 1070f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky .StartsWith(".note", 'n') 1071f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky .Default('?'); 1072f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1073f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1074f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1075f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = ret; 1076f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1077f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1078f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1079f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1080f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1081f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolType(DataRefImpl Symb, 1082f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolRef::Type &Result) const { 1083f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1084f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1085f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1086f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (symb->getType()) { 10872c67727046234ad9702ab5acb72700b5ac99a676David Meyer case ELF::STT_NOTYPE: 10882c67727046234ad9702ab5acb72700b5ac99a676David Meyer Result = SymbolRef::ST_Unknown; 10892c67727046234ad9702ab5acb72700b5ac99a676David Meyer break; 1090f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_SECTION: 1091f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_Debug; 1092f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1093f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_FILE: 1094f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_File; 1095f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1096f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_FUNC: 1097f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_Function; 1098f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1099f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_OBJECT: 11002c67727046234ad9702ab5acb72700b5ac99a676David Meyer case ELF::STT_COMMON: 11012c67727046234ad9702ab5acb72700b5ac99a676David Meyer case ELF::STT_TLS: 1102f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_Data; 1103f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1104f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1105f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_Other; 1106f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1107f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1108f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1109f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1110f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1111f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1112f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1113c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer ::getSymbolFlags(DataRefImpl Symb, 1114c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer uint32_t &Result) const { 1115f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1116f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1117f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1118c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result = SymbolRef::SF_None; 1119f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1120c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer if (symb->getBinding() != ELF::STB_LOCAL) 1121c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result |= SymbolRef::SF_Global; 1122f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1123c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer if (symb->getBinding() == ELF::STB_WEAK) 1124c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result |= SymbolRef::SF_Weak; 1125c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer 1126c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer if (symb->st_shndx == ELF::SHN_ABS) 1127c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result |= SymbolRef::SF_Absolute; 1128c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer 1129c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer if (symb->getType() == ELF::STT_FILE || 1130c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer symb->getType() == ELF::STT_SECTION) 1131c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result |= SymbolRef::SF_FormatSpecific; 1132f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 11332c67727046234ad9702ab5acb72700b5ac99a676David Meyer if (getSymbolTableIndex(symb) == ELF::SHN_UNDEF) 11342c67727046234ad9702ab5acb72700b5ac99a676David Meyer Result |= SymbolRef::SF_Undefined; 11352c67727046234ad9702ab5acb72700b5ac99a676David Meyer 11362c67727046234ad9702ab5acb72700b5ac99a676David Meyer if (symb->getType() == ELF::STT_COMMON || 11372c67727046234ad9702ab5acb72700b5ac99a676David Meyer getSymbolTableIndex(symb) == ELF::SHN_COMMON) 11382c67727046234ad9702ab5acb72700b5ac99a676David Meyer Result |= SymbolRef::SF_Common; 11392c67727046234ad9702ab5acb72700b5ac99a676David Meyer 11402c67727046234ad9702ab5acb72700b5ac99a676David Meyer if (symb->getType() == ELF::STT_TLS) 11412c67727046234ad9702ab5acb72700b5ac99a676David Meyer Result |= SymbolRef::SF_ThreadLocal; 11422c67727046234ad9702ab5acb72700b5ac99a676David Meyer 1143f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1144f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1145f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1146f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1147f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1148f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolSection(DataRefImpl Symb, 1149f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky section_iterator &Res) const { 1150f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1151f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1152f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(symb); 1153f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (!sec) 1154f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Res = end_sections(); 1155f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else { 1156f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl Sec; 1157f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Sec.p = reinterpret_cast<intptr_t>(sec); 1158f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Res = section_iterator(SectionRef(Sec, this)); 1159f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1160f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1161f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1162f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1163f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1164f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1165f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionNext(DataRefImpl Sec, SectionRef &Result) const { 1166f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const uint8_t *sec = reinterpret_cast<const uint8_t *>(Sec.p); 1167f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky sec += Header->e_shentsize; 1168f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Sec.p = reinterpret_cast<intptr_t>(sec); 1169f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SectionRef(Sec, this); 1170f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1171f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1172f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1173f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1174f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1175f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionName(DataRefImpl Sec, 1176f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef &Result) const { 1177f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1178f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = StringRef(getString(dot_shstrtab_sec, sec->sh_name)); 1179f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1180f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1181f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1182f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1183f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1184f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionAddress(DataRefImpl Sec, 1185f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1186f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1187f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = sec->sh_addr; 1188f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1189f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1190f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1191f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1192f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1193f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionSize(DataRefImpl Sec, 1194f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1195f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1196f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = sec->sh_size; 1197f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1198f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1199f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1200f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1201f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1202f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionContents(DataRefImpl Sec, 1203f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef &Result) const { 1204f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1205f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const char *start = (const char*)base() + sec->sh_offset; 1206f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = StringRef(start, sec->sh_size); 1207f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1208f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1209f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1210f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1211f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 12129dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta ::getSectionContents(const Elf_Shdr *Sec, 12139dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Result) const { 12149dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta const char *start = (const char*)base() + Sec->sh_offset; 12159dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta Result = StringRef(start, Sec->sh_size); 12169dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta return object_error::success; 12179dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta} 12189dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta 12199dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasguptatemplate<support::endianness target_endianness, bool is64Bits> 12209dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasguptaerror_code ELFObjectFile<target_endianness, is64Bits> 1221f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionAlignment(DataRefImpl Sec, 1222f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1223f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1224f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = sec->sh_addralign; 1225f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1226f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1227f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1228f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1229f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1230f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::isSectionText(DataRefImpl Sec, 1231f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool &Result) const { 1232f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1233f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec->sh_flags & ELF::SHF_EXECINSTR) 1234f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = true; 1235f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1236f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = false; 1237f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1238f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1239f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1240f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1241f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1242f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::isSectionData(DataRefImpl Sec, 1243f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool &Result) const { 1244f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1245f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE) 1246f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && sec->sh_type == ELF::SHT_PROGBITS) 1247f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = true; 1248f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1249f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = false; 1250f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1251f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1252f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1253f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1254f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1255f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::isSectionBSS(DataRefImpl Sec, 1256f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool &Result) const { 1257f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1258f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE) 1259f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && sec->sh_type == ELF::SHT_NOBITS) 1260c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = true; 1261c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd else 1262c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = false; 1263c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd return object_error::success; 1264c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd} 1265c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd 1266c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurdtemplate<support::endianness target_endianness, bool is64Bits> 1267c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurderror_code ELFObjectFile<target_endianness, is64Bits> 1268c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd ::isSectionRequiredForExecution(DataRefImpl Sec, 1269c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd bool &Result) const { 1270c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1271c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd if (sec->sh_flags & ELF::SHF_ALLOC) 1272c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = true; 1273c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd else 1274c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = false; 1275c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd return object_error::success; 1276c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd} 1277c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd 1278c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurdtemplate<support::endianness target_endianness, bool is64Bits> 1279c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurderror_code ELFObjectFile<target_endianness, is64Bits> 1280c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd ::isSectionVirtual(DataRefImpl Sec, 1281c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd bool &Result) const { 1282c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1283c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd if (sec->sh_type == ELF::SHT_NOBITS) 1284c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = true; 1285c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd else 1286c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = false; 1287c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd return object_error::success; 1288c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd} 1289c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd 1290c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurdtemplate<support::endianness target_endianness, bool is64Bits> 1291c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurderror_code ELFObjectFile<target_endianness, is64Bits>::isSectionZeroInit(DataRefImpl Sec, 1292c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd bool &Result) const { 1293c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1294c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd // For ELF, all zero-init sections are virtual (that is, they occupy no space 1295c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd // in the object image) and vice versa. 1296c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd if (sec->sh_flags & ELF::SHT_NOBITS) 1297f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = true; 1298f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1299f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = false; 1300f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1301f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1302f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1303f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1304f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1305f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::sectionContainsSymbol(DataRefImpl Sec, 1306f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl Symb, 1307f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool &Result) const { 1308f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Unimplemented. 1309f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = false; 1310f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1311f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1312f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1313f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1314f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyrelocation_iterator ELFObjectFile<target_endianness, is64Bits> 1315f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionRelBegin(DataRefImpl Sec) const { 1316f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl RelData; 1317f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1318f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typename RelocMap_t::const_iterator ittr = SectionRelocMap.find(sec); 1319f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec != 0 && ittr != SectionRelocMap.end()) { 1320f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.a = getSection(ittr->second[0])->sh_info; 1321f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.b = ittr->second[0]; 1322f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.c = 0; 1323f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1324f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return relocation_iterator(RelocationRef(RelData, this)); 1325f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1326f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1327f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1328f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyrelocation_iterator ELFObjectFile<target_endianness, is64Bits> 1329f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionRelEnd(DataRefImpl Sec) const { 1330f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl RelData; 1331f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1332f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typename RelocMap_t::const_iterator ittr = SectionRelocMap.find(sec); 1333f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec != 0 && ittr != SectionRelocMap.end()) { 1334f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Get the index of the last relocation section for this section. 1335f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky std::size_t relocsecindex = ittr->second[ittr->second.size() - 1]; 1336f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *relocsec = getSection(relocsecindex); 1337f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.a = relocsec->sh_info; 1338f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.b = relocsecindex; 1339f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.c = relocsec->sh_size / relocsec->sh_entsize; 1340f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1341f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return relocation_iterator(RelocationRef(RelData, this)); 1342f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1343f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1344f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// Relocations 1345f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1346f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1347f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationNext(DataRefImpl Rel, 1348f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelocationRef &Result) const { 1349f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++Rel.w.c; 1350f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *relocsec = getSection(Rel.w.b); 1351f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Rel.w.c >= (relocsec->sh_size / relocsec->sh_entsize)) { 1352f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // We have reached the end of the relocations for this section. See if there 1353f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // is another relocation section. 1354f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typename RelocMap_t::mapped_type relocseclist = 1355f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SectionRelocMap.lookup(getSection(Rel.w.a)); 1356f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1357f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Do a binary search for the current reloc section index (which must be 1358f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // present). Then get the next one. 1359f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typename RelocMap_t::mapped_type::const_iterator loc = 1360f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky std::lower_bound(relocseclist.begin(), relocseclist.end(), Rel.w.b); 1361f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++loc; 1362f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1363f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // If there is no next one, don't do anything. The ++Rel.w.c above sets Rel 1364f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // to the end iterator. 1365f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (loc != relocseclist.end()) { 1366f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Rel.w.b = *loc; 1367f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Rel.w.a = 0; 1368f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1369f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1370f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = RelocationRef(Rel, this); 1371f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1372f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1373f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1374f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1375f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1376f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationSymbol(DataRefImpl Rel, 1377f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolRef &Result) const { 1378f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint32_t symbolIdx; 1379f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1380f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1381f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1382f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1383f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1384f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky symbolIdx = getRel(Rel)->getSymbol(); 1385f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1386f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1387f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1388f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky symbolIdx = getRela(Rel)->getSymbol(); 1389f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1390f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1391f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1392f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl SymbolData; 1393f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky IndexMap_t::const_iterator it = SymbolTableSectionsIndexMap.find(sec->sh_link); 1394f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (it == SymbolTableSectionsIndexMap.end()) 1395f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Relocation symbol table not found!"); 1396f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.a = symbolIdx; 1397f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.b = it->second; 1398f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef(SymbolData, this); 1399f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1400f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1401f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1402f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1403f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1404f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationAddress(DataRefImpl Rel, 1405f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1406f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t offset; 1407f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1408f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1409f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1410f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1411f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1412f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky offset = getRel(Rel)->r_offset; 1413f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1414f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1415f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1416f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky offset = getRela(Rel)->r_offset; 1417f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1418f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1419f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1420f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1421f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = offset; 1422f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1423f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1424f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1425f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1426f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1427f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationOffset(DataRefImpl Rel, 1428f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1429f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t offset; 1430f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1431f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1432f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1433f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1434f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1435f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky offset = getRel(Rel)->r_offset; 1436f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1437f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1438f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1439f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky offset = getRela(Rel)->r_offset; 1440f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1441f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1442f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1443f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1444f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = offset - sec->sh_addr; 1445f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1446f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1447f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1448f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1449f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1450f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationType(DataRefImpl Rel, 1451f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1452f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1453f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1454f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1455f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1456f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1457f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = getRel(Rel)->getType(); 1458f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1459f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1460f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1461f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = getRela(Rel)->getType(); 1462f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1463f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1464f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1465f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1466f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1467f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1468f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#define LLVM_ELF_SWITCH_RELOC_TYPE_NAME(enum) \ 1469f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::enum: res = #enum; break; 1470f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1471f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1472f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1473f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationTypeName(DataRefImpl Rel, 1474f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SmallVectorImpl<char> &Result) const { 1475f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1476f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint8_t type; 1477f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef res; 1478f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1479f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1480f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::parse_failed; 1481f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1482f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky type = getRel(Rel)->getType(); 1483f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1484f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1485f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1486f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky type = getRela(Rel)->getType(); 1487f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1488f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1489f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1490f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (Header->e_machine) { 1491f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 1492f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (type) { 1493f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_NONE); 1494f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_64); 1495f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC32); 1496f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOT32); 1497f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PLT32); 1498f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_COPY); 1499f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GLOB_DAT); 1500f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_JUMP_SLOT); 1501f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_RELATIVE); 1502f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPCREL); 1503f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_32); 1504f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_32S); 1505f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_16); 1506f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC16); 1507f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_8); 1508f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC8); 1509f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_DTPMOD64); 1510f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_DTPOFF64); 1511f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TPOFF64); 1512f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSGD); 1513f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSLD); 1514f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_DTPOFF32); 1515f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTTPOFF); 1516f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TPOFF32); 1517f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC64); 1518f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTOFF64); 1519f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPC32); 1520f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_SIZE32); 1521f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_SIZE64); 1522f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPC32_TLSDESC); 1523f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSDESC_CALL); 1524f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSDESC); 1525f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1526f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1527f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1528f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1529f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_386: 1530f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (type) { 1531f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_NONE); 1532f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_32); 1533f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC32); 1534f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GOT32); 1535f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PLT32); 1536f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_COPY); 1537f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GLOB_DAT); 1538f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_JUMP_SLOT); 1539f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_RELATIVE); 1540f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GOTOFF); 1541f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GOTPC); 1542f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_32PLT); 1543f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_TPOFF); 1544f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_IE); 1545f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GOTIE); 1546f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LE); 1547f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD); 1548f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM); 1549f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_16); 1550f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC16); 1551f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_8); 1552f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC8); 1553f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_32); 1554f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_PUSH); 1555f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_CALL); 1556f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_POP); 1557f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_32); 1558f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_PUSH); 1559f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_CALL); 1560f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_POP); 1561f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDO_32); 1562f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_IE_32); 1563f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LE_32); 1564f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DTPMOD32); 1565f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DTPOFF32); 1566f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_TPOFF32); 1567f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GOTDESC); 1568f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DESC_CALL); 1569f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DESC); 1570f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_IRELATIVE); 1571f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1572f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1573f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1574f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 15754b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien case ELF::EM_ARM: 15764b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien switch (type) { 15774b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_NONE); 15784b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PC24); 15794b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS32); 15804b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_REL32); 15814b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G0); 15824b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS16); 15834b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS12); 15844b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_ABS5); 15854b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS8); 15864b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_SBREL32); 15874b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_CALL); 15884b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_PC8); 15894b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BREL_ADJ); 15904b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DESC); 15914b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_SWI8); 15924b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_XPC25); 15934b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_XPC22); 15944b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DTPMOD32); 15954b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DTPOFF32); 15964b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_TPOFF32); 15974b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_COPY); 15984b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GLOB_DAT); 15994b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_JUMP_SLOT); 16004b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_RELATIVE); 16014b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTOFF32); 16024b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BASE_PREL); 16034b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_BREL); 16044b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PLT32); 16054b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_CALL); 16064b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_JUMP24); 16074b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP24); 16084b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BASE_ABS); 16094b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_7_0); 16104b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_15_8); 16114b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_23_15); 16124b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SBREL_11_0_NC); 16134b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SBREL_19_12_NC); 16144b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SBREL_27_20_CK); 16154b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TARGET1); 16164b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_SBREL31); 16174b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_V4BX); 16184b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TARGET2); 16194b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PREL31); 16204b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_ABS_NC); 16214b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_ABS); 16224b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_PREL_NC); 16234b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_PREL); 16244b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_ABS_NC); 16254b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_ABS); 16264b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_PREL_NC); 16274b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_PREL); 16284b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP19); 16294b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP6); 16304b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_ALU_PREL_11_0); 16314b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_PC12); 16324b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS32_NOI); 16334b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_REL32_NOI); 16344b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G0_NC); 16354b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G0); 16364b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G1_NC); 16374b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G1); 16384b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G2); 16394b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G1); 16404b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G2); 16414b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G0); 16424b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G1); 16434b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G2); 16444b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G0); 16454b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G1); 16464b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G2); 16474b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G0_NC); 16484b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G0); 16494b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G1_NC); 16504b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G1); 16514b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G2); 16524b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G0); 16534b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G1); 16544b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G2); 16554b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G0); 16564b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G1); 16574b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G2); 16584b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G0); 16594b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G1); 16604b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G2); 16614b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_BREL_NC); 16624b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_BREL); 16634b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_BREL); 16644b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_BREL_NC); 16654b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_BREL); 16664b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_BREL); 16674b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_GOTDESC); 16684b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_CALL); 16694b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DESCSEQ); 16704b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_CALL); 16714b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PLT32_ABS); 16724b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_ABS); 16734b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_PREL); 16744b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_BREL12); 16754b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTOFF12); 16764b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTRELAX); 16774b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GNU_VTENTRY); 16784b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GNU_VTINHERIT); 16794b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP11); 16804b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP8); 16814b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_GD32); 16824b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDM32); 16834b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDO32); 16844b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_IE32); 16854b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LE32); 16864b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDO12); 16874b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LE12); 16884b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_IE12GP); 16894b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_0); 16904b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_1); 16914b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_2); 16924b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_3); 16934b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_4); 16944b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_5); 16954b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_6); 16964b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_7); 16974b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_8); 16984b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_9); 16994b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_10); 17004b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_11); 17014b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_12); 17024b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_13); 17034b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_14); 17044b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_15); 17054b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ME_TOO); 17064b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_DESCSEQ16); 17074b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_DESCSEQ32); 17084b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien default: 17094b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien res = "Unknown"; 17104b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien } 17114b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien break; 171250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow case ELF::EM_HEXAGON: 171350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow switch (type) { 171450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_NONE); 171550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL); 171650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL); 171750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B7_PCREL); 171850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_LO16); 171950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_HI16); 172050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32); 172150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_16); 172250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_8); 172350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_0); 172450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_1); 172550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_2); 172650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_3); 172750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_HL16); 172850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B13_PCREL); 172950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B9_PCREL); 173050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B32_PCREL_X); 173150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32_6_X); 173250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL_X); 173350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL_X); 173450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B13_PCREL_X); 173550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B9_PCREL_X); 173650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B7_PCREL_X); 173750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_16_X); 173850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_12_X); 173950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_11_X); 174050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_10_X); 174150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_9_X); 174250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_8_X); 174350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_7_X); 174450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_6_X); 174550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32_PCREL); 174650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_COPY); 174750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GLOB_DAT); 174850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_JMP_SLOT); 174950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_RELATIVE); 175050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_PLT_B22_PCREL); 175150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_LO16); 175250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_HI16); 175350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_32); 175450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_LO16); 175550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_HI16); 175650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_32); 175750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_16); 175850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPMOD_32); 175950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_LO16); 176050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_HI16); 176150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_32); 176250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_16); 176350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_PLT_B22_PCREL); 176450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_LO16); 176550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_HI16); 176650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_32); 176750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_16); 176850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_LO16); 176950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_HI16); 177050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_32); 177150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_LO16); 177250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_HI16); 177350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_32); 177450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_16); 177550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_LO16); 177650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_HI16); 177750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32); 177850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16); 177950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_6_PCREL_X); 178050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_32_6_X); 178150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_16_X); 178250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_11_X); 178350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_32_6_X); 178450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_16_X); 178550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_11_X); 178650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_32_6_X); 178750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_16_X); 178850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_11_X); 178950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_32_6_X); 179050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_16_X); 179150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_11_X); 179250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_32_6_X); 179350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_16_X); 179450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_32_6_X); 179550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_16_X); 179650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_11_X); 179750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32_6_X); 179850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16_X); 179950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_11_X); 180050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow default: 180150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow res = "Unknown"; 180250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow } 180350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow break; 1804f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1805f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1806f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1807f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result.append(res.begin(), res.end()); 1808f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1809f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1810f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1811f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#undef LLVM_ELF_SWITCH_RELOC_TYPE_NAME 1812f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1813f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1814f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1815f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationAdditionalInfo(DataRefImpl Rel, 1816f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky int64_t &Result) const { 1817f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1818f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1819f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1820f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1821f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1822f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = 0; 1823f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1824f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1825f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1826f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = getRela(Rel)->r_addend; 1827f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1828f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1829f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1830f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1831f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1832f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1833f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 1834f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationValueString(DataRefImpl Rel, 1835f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SmallVectorImpl<char> &Result) const { 1836f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1837f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint8_t type; 1838f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef res; 1839f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky int64_t addend = 0; 1840f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint16_t symbol_index = 0; 1841f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1842033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky default: 1843f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::parse_failed; 1844033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::SHT_REL: { 1845f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky type = getRel(Rel)->getType(); 1846f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky symbol_index = getRel(Rel)->getSymbol(); 1847f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // TODO: Read implicit addend from section data. 1848f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1849f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1850033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::SHT_RELA: { 1851f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky type = getRela(Rel)->getType(); 1852f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky symbol_index = getRela(Rel)->getSymbol(); 1853f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky addend = getRela(Rel)->r_addend; 1854f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1855f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1856f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1857f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getEntry<Elf_Sym>(sec->sh_link, symbol_index); 1858f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef symname; 1859dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (error_code ec = getSymbolName(getSection(sec->sh_link), symb, symname)) 1860f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return ec; 1861f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (Header->e_machine) { 1862f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 1863f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (type) { 1864033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_PC8: 1865033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_PC16: 1866f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::R_X86_64_PC32: { 1867f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky std::string fmtbuf; 1868f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky raw_string_ostream fmt(fmtbuf); 1869f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky fmt << symname << (addend < 0 ? "" : "+") << addend << "-P"; 1870f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky fmt.flush(); 1871f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result.append(fmtbuf.begin(), fmtbuf.end()); 1872f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1873033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky break; 1874033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_8: 1875033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_16: 1876033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_32: 1877033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_32S: 1878033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_64: { 1879033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky std::string fmtbuf; 1880033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky raw_string_ostream fmt(fmtbuf); 1881033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky fmt << symname << (addend < 0 ? "" : "+") << addend; 1882033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky fmt.flush(); 1883033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky Result.append(fmtbuf.begin(), fmtbuf.end()); 1884033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky } 1885f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1886f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1887f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1888f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1889f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 18904b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien case ELF::EM_ARM: 189150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow case ELF::EM_HEXAGON: 189250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow res = symname; 189350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow break; 1894f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1895f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1896f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1897f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Result.empty()) 1898f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result.append(res.begin(), res.end()); 1899f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1900f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1901f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1902dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer// Verify that the last byte in the string table in a null. 1903dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencertemplate<support::endianness target_endianness, bool is64Bits> 1904dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencervoid ELFObjectFile<target_endianness, is64Bits> 1905dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer ::VerifyStrTab(const Elf_Shdr *sh) const { 1906dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer const char *strtab = (const char*)base() + sh->sh_offset; 1907dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (strtab[sh->sh_size - 1] != 0) 1908dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // FIXME: Proper error handling. 1909dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer report_fatal_error("String table must end with a null terminator!"); 1910dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer} 1911dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 1912f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 1913f4eff4baeb44f9dee988e9293d029dcaa359420dEli BenderskyELFObjectFile<target_endianness, is64Bits>::ELFObjectFile(MemoryBuffer *Object 1914f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky , error_code &ec) 19156f9489a86f33624f9ff5388411d12359ce9cef20David Meyer : ObjectFile(getELFType(target_endianness == support::little, is64Bits), 19166f9489a86f33624f9ff5388411d12359ce9cef20David Meyer Object, ec) 1917f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky , isDyldELFObject(false) 1918f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky , SectionHeaderTable(0) 1919f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky , dot_shstrtab_sec(0) 1920dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer , dot_strtab_sec(0) 19215c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer , dot_dynstr_sec(0) 192297f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer , dot_dynamic_sec(0) 19232d70e263c2b508bf4641273dd89a23149f6f6164David Meyer , dot_gnu_version_sec(0) 19242d70e263c2b508bf4641273dd89a23149f6f6164David Meyer , dot_gnu_version_r_sec(0) 19252d70e263c2b508bf4641273dd89a23149f6f6164David Meyer , dot_gnu_version_d_sec(0) 19262d70e263c2b508bf4641273dd89a23149f6f6164David Meyer , dt_soname(0) 19272d70e263c2b508bf4641273dd89a23149f6f6164David Meyer { 1928f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1929f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const uint64_t FileSize = Data->getBufferSize(); 1930f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1931f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sizeof(Elf_Ehdr) > FileSize) 1932f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 1933f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("File too short!"); 1934f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1935f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Header = reinterpret_cast<const Elf_Ehdr *>(base()); 1936f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1937f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shoff == 0) 1938f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return; 1939f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1940f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const uint64_t SectionTableOffset = Header->e_shoff; 1941f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1942f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SectionTableOffset + sizeof(Elf_Shdr) > FileSize) 1943f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 1944f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Section header table goes past end of file!"); 1945f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1946f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // The getNumSections() call below depends on SectionHeaderTable being set. 1947f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SectionHeaderTable = 1948f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky reinterpret_cast<const Elf_Shdr *>(base() + SectionTableOffset); 1949f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const uint64_t SectionTableSize = getNumSections() * Header->e_shentsize; 1950f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1951f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SectionTableOffset + SectionTableSize > FileSize) 1952f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 1953f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Section table goes past end of file!"); 1954f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1955f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // To find the symbol tables we walk the section table to find SHT_SYMTAB. 1956f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr* SymbolTableSectionHeaderIndex = 0; 1957f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr* sh = SectionHeaderTable; 1958dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 1959dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // Reserve SymbolTableSections[0] for .dynsym 1960dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolTableSections.push_back(NULL); 1961dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 1962f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky for (uint64_t i = 0, e = getNumSections(); i != e; ++i) { 19632d70e263c2b508bf4641273dd89a23149f6f6164David Meyer switch (sh->sh_type) { 19642d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_SYMTAB_SHNDX: { 1965f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SymbolTableSectionHeaderIndex) 1966f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 1967f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("More than one .symtab_shndx!"); 1968f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolTableSectionHeaderIndex = sh; 19692d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 1970f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 19712d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_SYMTAB: { 1972f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolTableSectionsIndexMap[i] = SymbolTableSections.size(); 1973f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolTableSections.push_back(sh); 19742d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 1975f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 19762d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_DYNSYM: { 1977dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (SymbolTableSections[0] != NULL) 1978dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // FIXME: Proper error handling. 1979dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer report_fatal_error("More than one .dynsym!"); 1980dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolTableSectionsIndexMap[i] = 0; 1981dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolTableSections[0] = sh; 19822d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 1983dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } 19842d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_REL: 19852d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_RELA: { 1986f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SectionRelocMap[getSection(sh->sh_info)].push_back(i); 19872d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 1988f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 19892d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_DYNAMIC: { 19905c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (dot_dynamic_sec != NULL) 19915c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // FIXME: Proper error handling. 19925c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("More than one .dynamic!"); 19935c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dot_dynamic_sec = sh; 19942d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 19952d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 19962d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_GNU_versym: { 19972d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_sec != NULL) 19982d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // FIXME: Proper error handling. 19992d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("More than one .gnu.version section!"); 20002d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dot_gnu_version_sec = sh; 20012d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 20022d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 20032d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_GNU_verdef: { 20042d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_d_sec != NULL) 20052d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // FIXME: Proper error handling. 20062d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("More than one .gnu.version_d section!"); 20072d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dot_gnu_version_d_sec = sh; 20082d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 20092d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 20102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_GNU_verneed: { 20112d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_r_sec != NULL) 20122d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // FIXME: Proper error handling. 20132d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("More than one .gnu.version_r section!"); 20142d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dot_gnu_version_r_sec = sh; 20152d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 20162d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 20175c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 2018f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++sh; 2019f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2020f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2021f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Sort section relocation lists by index. 2022f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky for (typename RelocMap_t::iterator i = SectionRelocMap.begin(), 2023f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky e = SectionRelocMap.end(); i != e; ++i) { 2024f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky std::sort(i->second.begin(), i->second.end()); 2025f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2026f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2027f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Get string table sections. 2028f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky dot_shstrtab_sec = getSection(getStringTableIndex()); 2029f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (dot_shstrtab_sec) { 2030f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Verify that the last byte in the string table in a null. 2031dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer VerifyStrTab(dot_shstrtab_sec); 2032f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2033f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2034f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Merge this into the above loop. 2035f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky for (const char *i = reinterpret_cast<const char *>(SectionHeaderTable), 2036f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky *e = i + getNumSections() * Header->e_shentsize; 2037f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky i != e; i += Header->e_shentsize) { 2038f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sh = reinterpret_cast<const Elf_Shdr*>(i); 2039f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sh->sh_type == ELF::SHT_STRTAB) { 2040f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef SectionName(getString(dot_shstrtab_sec, sh->sh_name)); 2041f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SectionName == ".strtab") { 2042f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (dot_strtab_sec != 0) 2043f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2044f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Already found section named .strtab!"); 2045f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky dot_strtab_sec = sh; 2046dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer VerifyStrTab(dot_strtab_sec); 2047dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } else if (SectionName == ".dynstr") { 2048dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (dot_dynstr_sec != 0) 2049dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // FIXME: Proper error handling. 2050dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer report_fatal_error("Already found section named .dynstr!"); 2051dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer dot_dynstr_sec = sh; 2052dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer VerifyStrTab(dot_dynstr_sec); 2053f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2054f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2055f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2056f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2057f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Build symbol name side-mapping if there is one. 2058f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SymbolTableSectionHeaderIndex) { 2059f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Word *ShndxTable = reinterpret_cast<const Elf_Word*>(base() + 2060f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolTableSectionHeaderIndex->sh_offset); 2061f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky error_code ec; 2062f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky for (symbol_iterator si = begin_symbols(), 2063f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky se = end_symbols(); si != se; si.increment(ec)) { 2064f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (ec) 2065f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Fewer extended symbol table entries than symbols!"); 2066f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (*ShndxTable != ELF::SHN_UNDEF) 2067f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ExtendedSymbolTable[getSymbol(si->getRawDataRefImpl())] = *ShndxTable; 2068f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++ShndxTable; 2069f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2070f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2071f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2072f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2073f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2074f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskysymbol_iterator ELFObjectFile<target_endianness, is64Bits> 2075f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::begin_symbols() const { 2076f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl SymbolData; 2077dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (SymbolTableSections.size() <= 1) { 2078f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.a = std::numeric_limits<uint32_t>::max(); 2079f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.b = std::numeric_limits<uint32_t>::max(); 2080f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } else { 2081f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.a = 1; // The 0th symbol in ELF is fake. 2082dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.b = 1; // The 0th table is .dynsym 2083f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2084f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return symbol_iterator(SymbolRef(SymbolData, this)); 2085f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2086f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2087f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2088f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskysymbol_iterator ELFObjectFile<target_endianness, is64Bits> 2089f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::end_symbols() const { 2090f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl SymbolData; 2091f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.a = std::numeric_limits<uint32_t>::max(); 2092f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.b = std::numeric_limits<uint32_t>::max(); 2093f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return symbol_iterator(SymbolRef(SymbolData, this)); 2094f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2095f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2096f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2097dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencersymbol_iterator ELFObjectFile<target_endianness, is64Bits> 2098dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer ::begin_dynamic_symbols() const { 2099dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer DataRefImpl SymbolData; 2100dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (SymbolTableSections[0] == NULL) { 2101dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.a = std::numeric_limits<uint32_t>::max(); 2102dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.b = std::numeric_limits<uint32_t>::max(); 2103dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } else { 2104dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.a = 1; // The 0th symbol in ELF is fake. 2105dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.b = 0; // The 0th table is .dynsym 2106dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } 2107dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer return symbol_iterator(SymbolRef(SymbolData, this)); 2108dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer} 2109dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 2110dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencertemplate<support::endianness target_endianness, bool is64Bits> 2111dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencersymbol_iterator ELFObjectFile<target_endianness, is64Bits> 2112dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer ::end_dynamic_symbols() const { 2113dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer DataRefImpl SymbolData; 2114dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.a = std::numeric_limits<uint32_t>::max(); 2115dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.b = std::numeric_limits<uint32_t>::max(); 2116dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer return symbol_iterator(SymbolRef(SymbolData, this)); 2117dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer} 2118dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 2119dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencertemplate<support::endianness target_endianness, bool is64Bits> 2120f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskysection_iterator ELFObjectFile<target_endianness, is64Bits> 2121f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::begin_sections() const { 2122f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl ret; 2123f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret.p = reinterpret_cast<intptr_t>(base() + Header->e_shoff); 2124f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return section_iterator(SectionRef(ret, this)); 2125f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2126f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2127f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2128f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskysection_iterator ELFObjectFile<target_endianness, is64Bits> 2129f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::end_sections() const { 2130f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl ret; 2131f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret.p = reinterpret_cast<intptr_t>(base() 2132f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + Header->e_shoff 2133f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + (Header->e_shentsize*getNumSections())); 2134f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return section_iterator(SectionRef(ret, this)); 2135f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2136f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2137f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 21385c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertypename ELFObjectFile<target_endianness, is64Bits>::dyn_iterator 21395c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid MeyerELFObjectFile<target_endianness, is64Bits>::begin_dynamic_table() const { 21405c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DataRefImpl DynData; 21415c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (dot_dynamic_sec == NULL || dot_dynamic_sec->sh_size == 0) { 21425c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DynData.d.a = std::numeric_limits<uint32_t>::max(); 21435c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } else { 21445c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DynData.d.a = 0; 21455c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 21465c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return dyn_iterator(DynRef(DynData, this)); 21475c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 21485c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 21495c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 21505c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertypename ELFObjectFile<target_endianness, is64Bits>::dyn_iterator 21515c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid MeyerELFObjectFile<target_endianness, is64Bits> 21525c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::end_dynamic_table() const { 21535c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DataRefImpl DynData; 21545c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DynData.d.a = std::numeric_limits<uint32_t>::max(); 21555c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return dyn_iterator(DynRef(DynData, this)); 21565c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 21575c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 21585c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 21595c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyererror_code ELFObjectFile<target_endianness, is64Bits> 21605c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getDynNext(DataRefImpl DynData, 21615c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DynRef &Result) const { 21625c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ++DynData.d.a; 21635c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 21645c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Check to see if we are at the end of .dynamic 21655c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (DynData.d.a >= dot_dynamic_sec->getEntityCount()) { 21665c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // We are at the end. Return the terminator. 21675c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DynData.d.a = std::numeric_limits<uint32_t>::max(); 21685c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 21695c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 21705c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Result = DynRef(DynData, this); 21715c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return object_error::success; 21725c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 21735c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 21745c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 217597f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid MeyerStringRef 217697f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid MeyerELFObjectFile<target_endianness, is64Bits>::getLoadName() const { 217797f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (!dt_soname) { 217897f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer // Find the DT_SONAME entry 217997f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer dyn_iterator it = begin_dynamic_table(); 218097f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer dyn_iterator ie = end_dynamic_table(); 218197f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer error_code ec; 218297f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer while (it != ie) { 218397f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (it->getTag() == ELF::DT_SONAME) 218497f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer break; 218597f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer it.increment(ec); 218697f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (ec) 218797f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer report_fatal_error("dynamic table iteration failed"); 218897f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer } 218997f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (it != ie) { 219097f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (dot_dynstr_sec == NULL) 219197f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer report_fatal_error("Dynamic string table is missing"); 219297f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer dt_soname = getString(dot_dynstr_sec, it->getVal()); 219397f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer } else { 219497f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer dt_soname = ""; 219597f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer } 219697f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer } 219797f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer return dt_soname; 219897f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer} 219997f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer 220097f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 22015c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerlibrary_iterator ELFObjectFile<target_endianness, is64Bits> 22025c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::begin_libraries_needed() const { 22035c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Find the first DT_NEEDED entry 22045c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dyn_iterator i = begin_dynamic_table(); 22055c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dyn_iterator e = end_dynamic_table(); 22065c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer error_code ec; 22075c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer while (i != e) { 22085c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i->getTag() == ELF::DT_NEEDED) 22095c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer break; 22105c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer i.increment(ec); 22115c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (ec) 22125c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("dynamic table iteration failed"); 22135c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 22145c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Use the same DataRefImpl format as DynRef. 22155c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return library_iterator(LibraryRef(i->getRawDataRefImpl(), this)); 22165c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 22175c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22185c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 22195c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyererror_code ELFObjectFile<target_endianness, is64Bits> 22205c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getLibraryNext(DataRefImpl Data, 22215c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer LibraryRef &Result) const { 22225c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Use the same DataRefImpl format as DynRef. 22235c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dyn_iterator i = dyn_iterator(DynRef(Data, this)); 22245c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dyn_iterator e = end_dynamic_table(); 22255c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22265c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Skip the current dynamic table entry. 22275c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer error_code ec; 22285c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i != e) { 22295c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer i.increment(ec); 22305c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // TODO: proper error handling 22315c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (ec) 22325c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("dynamic table iteration failed"); 22335c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 22345c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22355c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Find the next DT_NEEDED entry. 22365c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer while (i != e) { 22375c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i->getTag() == ELF::DT_NEEDED) 22385c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer break; 22395c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer i.increment(ec); 22405c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (ec) 22415c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("dynamic table iteration failed"); 22425c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 22435c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Result = LibraryRef(i->getRawDataRefImpl(), this); 22445c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return object_error::success; 22455c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 22465c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22475c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 22485c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyererror_code ELFObjectFile<target_endianness, is64Bits> 22495c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getLibraryPath(DataRefImpl Data, StringRef &Res) const { 22505c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dyn_iterator i = dyn_iterator(DynRef(Data, this)); 22515c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i == end_dynamic_table()) 22525c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("getLibraryPath() called on iterator end"); 22535c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22545c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i->getTag() != ELF::DT_NEEDED) 22555c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("Invalid library_iterator"); 22565c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22575c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // This uses .dynstr to lookup the name of the DT_NEEDED entry. 22585c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // THis works as long as DT_STRTAB == .dynstr. This is true most of 22595c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // the time, but the specification allows exceptions. 22605c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // TODO: This should really use DT_STRTAB instead. Doing this requires 22615c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // reading the program headers. 22625c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (dot_dynstr_sec == NULL) 22635c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("Dynamic string table is missing"); 22645c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Res = getString(dot_dynstr_sec, i->getVal()); 22655c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return object_error::success; 22665c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 22675c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22685c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 22695c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerlibrary_iterator ELFObjectFile<target_endianness, is64Bits> 22705c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::end_libraries_needed() const { 22715c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dyn_iterator e = end_dynamic_table(); 22725c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Use the same DataRefImpl format as DynRef. 22735c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return library_iterator(LibraryRef(e->getRawDataRefImpl(), this)); 22745c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 22755c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22765c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 2277f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyuint8_t ELFObjectFile<target_endianness, is64Bits>::getBytesInAddress() const { 2278f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return is64Bits ? 8 : 4; 2279f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2280f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2281f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2282f4eff4baeb44f9dee988e9293d029dcaa359420dEli BenderskyStringRef ELFObjectFile<target_endianness, is64Bits> 2283f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getFileFormatName() const { 2284f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch(Header->e_ident[ELF::EI_CLASS]) { 2285f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::ELFCLASS32: 2286f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch(Header->e_machine) { 2287f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_386: 2288f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF32-i386"; 2289f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 2290f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF32-x86-64"; 2291f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_ARM: 2292f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF32-arm"; 229350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow case ELF::EM_HEXAGON: 229450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow return "ELF32-hexagon"; 2295f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2296f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF32-unknown"; 2297f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2298f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::ELFCLASS64: 2299f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch(Header->e_machine) { 2300f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_386: 2301f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF64-i386"; 2302f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 2303f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF64-x86-64"; 2304a5e01b1314b48c364c092288c2aef95c29a79583Adhemerval Zanella case ELF::EM_PPC64: 2305a5e01b1314b48c364c092288c2aef95c29a79583Adhemerval Zanella return "ELF64-ppc64"; 2306f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2307f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF64-unknown"; 2308f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2309f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2310f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2311f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid ELFCLASS!"); 2312f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2313f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2314f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2315f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2316f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyunsigned ELFObjectFile<target_endianness, is64Bits>::getArch() const { 2317f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch(Header->e_machine) { 2318f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_386: 2319f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Triple::x86; 2320f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 2321f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Triple::x86_64; 2322f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_ARM: 2323f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Triple::arm; 232450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow case ELF::EM_HEXAGON: 232550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow return Triple::hexagon; 2326b889e0cd2fea4afee623d5be603b912b955a2ecaAkira Hatanaka case ELF::EM_MIPS: 2327b889e0cd2fea4afee623d5be603b912b955a2ecaAkira Hatanaka return (target_endianness == support::little) ? 2328b889e0cd2fea4afee623d5be603b912b955a2ecaAkira Hatanaka Triple::mipsel : Triple::mips; 2329a5e01b1314b48c364c092288c2aef95c29a79583Adhemerval Zanella case ELF::EM_PPC64: 2330a5e01b1314b48c364c092288c2aef95c29a79583Adhemerval Zanella return Triple::ppc64; 2331f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2332f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Triple::UnknownArch; 2333f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2334f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2335f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2336f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2337f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyuint64_t ELFObjectFile<target_endianness, is64Bits>::getNumSections() const { 2338f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky assert(Header && "Header not initialized!"); 2339f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shnum == ELF::SHN_UNDEF) { 2340f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky assert(SectionHeaderTable && "SectionHeaderTable not initialized!"); 2341f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return SectionHeaderTable->sh_size; 2342f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2343f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Header->e_shnum; 2344f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2345f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2346f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2347f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyuint64_t 2348f4eff4baeb44f9dee988e9293d029dcaa359420dEli BenderskyELFObjectFile<target_endianness, is64Bits>::getStringTableIndex() const { 2349f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shnum == ELF::SHN_UNDEF) { 2350f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shstrndx == ELF::SHN_HIRESERVE) 2351f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return SectionHeaderTable->sh_link; 2352f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shstrndx >= getNumSections()) 2353f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return 0; 2354f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2355f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Header->e_shstrndx; 2356f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2357f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2358f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2359f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2360f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<typename T> 2361f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyinline const T * 2362f4eff4baeb44f9dee988e9293d029dcaa359420dEli BenderskyELFObjectFile<target_endianness, is64Bits>::getEntry(uint16_t Section, 2363f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint32_t Entry) const { 2364f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getEntry<T>(getSection(Section), Entry); 2365f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2366f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2367f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2368f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<typename T> 2369f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyinline const T * 2370f4eff4baeb44f9dee988e9293d029dcaa359420dEli BenderskyELFObjectFile<target_endianness, is64Bits>::getEntry(const Elf_Shdr * Section, 2371f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint32_t Entry) const { 2372f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return reinterpret_cast<const T *>( 2373f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky base() 2374f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + Section->sh_offset 2375f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + (Entry * Section->sh_entsize)); 2376f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2377f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2378f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2379f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyconst typename ELFObjectFile<target_endianness, is64Bits>::Elf_Sym * 2380f4eff4baeb44f9dee988e9293d029dcaa359420dEli BenderskyELFObjectFile<target_endianness, is64Bits>::getSymbol(DataRefImpl Symb) const { 2381f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getEntry<Elf_Sym>(SymbolTableSections[Symb.d.b], Symb.d.a); 2382f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2383f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2384f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 23855c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerconst typename ELFObjectFile<target_endianness, is64Bits>::Elf_Dyn * 23865c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid MeyerELFObjectFile<target_endianness, is64Bits>::getDyn(DataRefImpl DynData) const { 23875c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return getEntry<Elf_Dyn>(dot_dynamic_sec, DynData.d.a); 23885c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 23895c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 23905c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 2391f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyconst typename ELFObjectFile<target_endianness, is64Bits>::Elf_Rel * 2392f4eff4baeb44f9dee988e9293d029dcaa359420dEli BenderskyELFObjectFile<target_endianness, is64Bits>::getRel(DataRefImpl Rel) const { 2393f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getEntry<Elf_Rel>(Rel.w.b, Rel.w.c); 2394f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2395f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2396f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2397f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyconst typename ELFObjectFile<target_endianness, is64Bits>::Elf_Rela * 2398f4eff4baeb44f9dee988e9293d029dcaa359420dEli BenderskyELFObjectFile<target_endianness, is64Bits>::getRela(DataRefImpl Rela) const { 2399f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getEntry<Elf_Rela>(Rela.w.b, Rela.w.c); 2400f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2401f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2402f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2403f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyconst typename ELFObjectFile<target_endianness, is64Bits>::Elf_Shdr * 2404f4eff4baeb44f9dee988e9293d029dcaa359420dEli BenderskyELFObjectFile<target_endianness, is64Bits>::getSection(DataRefImpl Symb) const { 2405f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Symb.d.b); 2406f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec->sh_type != ELF::SHT_SYMTAB || sec->sh_type != ELF::SHT_DYNSYM) 2407f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2408f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid symbol table section!"); 2409f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return sec; 2410f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2411f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2412f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2413f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyconst typename ELFObjectFile<target_endianness, is64Bits>::Elf_Shdr * 2414f4eff4baeb44f9dee988e9293d029dcaa359420dEli BenderskyELFObjectFile<target_endianness, is64Bits>::getSection(uint32_t index) const { 2415f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (index == 0) 2416f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return 0; 2417f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (!SectionHeaderTable || index >= getNumSections()) 2418f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2419f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section index!"); 2420f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2421f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return reinterpret_cast<const Elf_Shdr *>( 2422f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky reinterpret_cast<const char *>(SectionHeaderTable) 2423f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + (index * Header->e_shentsize)); 2424f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2425f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2426f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2427f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyconst char *ELFObjectFile<target_endianness, is64Bits> 2428f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getString(uint32_t section, 2429f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELF::Elf32_Word offset) const { 2430f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getString(getSection(section), offset); 2431f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2432f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2433f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2434f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyconst char *ELFObjectFile<target_endianness, is64Bits> 2435f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getString(const Elf_Shdr *section, 2436f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELF::Elf32_Word offset) const { 2437f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky assert(section && section->sh_type == ELF::SHT_STRTAB && "Invalid section!"); 2438f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (offset >= section->sh_size) 2439f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2440f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Symbol name offset outside of string table!"); 2441f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return (const char *)base() + section->sh_offset + offset; 2442f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2443f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2444f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<support::endianness target_endianness, bool is64Bits> 2445f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyerror_code ELFObjectFile<target_endianness, is64Bits> 2446dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer ::getSymbolName(const Elf_Shdr *section, 2447dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer const Elf_Sym *symb, 2448f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef &Result) const { 2449f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_name == 0) { 2450f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *section = getSection(symb); 2451f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (!section) 2452f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = ""; 2453f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 2454f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = getString(dot_shstrtab_sec, section->sh_name); 2455f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 2456f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2457f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2458dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (section == SymbolTableSections[0]) { 2459dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // Symbol is in .dynsym, use .dynstr string table 2460dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer Result = getString(dot_dynstr_sec, symb->st_name); 2461dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } else { 2462dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // Use the default symbol table name section. 2463dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer Result = getString(dot_strtab_sec, symb->st_name); 2464dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } 2465f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 2466f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2467f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 24685c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 24692d70e263c2b508bf4641273dd89a23149f6f6164David Meyererror_code ELFObjectFile<target_endianness, is64Bits> 24709dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta ::getSectionName(const Elf_Shdr *section, 24719dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Result) const { 24729dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta Result = StringRef(getString(dot_shstrtab_sec, section->sh_name)); 24739dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta return object_error::success; 24749dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta} 24759dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta 24769dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasguptatemplate<support::endianness target_endianness, bool is64Bits> 24779dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasguptaerror_code ELFObjectFile<target_endianness, is64Bits> 24782d70e263c2b508bf4641273dd89a23149f6f6164David Meyer ::getSymbolVersion(const Elf_Shdr *section, 24792d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Sym *symb, 24802d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef &Version, 24812d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) const { 24822d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Handle non-dynamic symbols. 24832d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (section != SymbolTableSections[0]) { 24842d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Non-dynamic symbols can have versions in their names 24852d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // A name of the form 'foo@V1' indicates version 'V1', non-default. 24862d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // A name of the form 'foo@@V2' indicates version 'V2', default version. 24872d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef Name; 24882d70e263c2b508bf4641273dd89a23149f6f6164David Meyer error_code ec = getSymbolName(section, symb, Name); 24892d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (ec != object_error::success) 24902d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ec; 24912d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t atpos = Name.find('@'); 24922d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (atpos == StringRef::npos) { 24932d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = ""; 24942d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 24952d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 24962d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 24972d70e263c2b508bf4641273dd89a23149f6f6164David Meyer ++atpos; 24982d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (atpos < Name.size() && Name[atpos] == '@') { 24992d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = true; 25002d70e263c2b508bf4641273dd89a23149f6f6164David Meyer ++atpos; 25012d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } else { 25022d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 25032d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 25042d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = Name.substr(atpos); 25052d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 25062d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 25072d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 25082d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // This is a dynamic symbol. Look in the GNU symbol version table. 25092d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_sec == NULL) { 25102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // No version table. 25112d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = ""; 25122d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 25132d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 25142d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 25152d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 25162d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Determine the position in the symbol table of this entry. 25172d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_start = (const char*)base() + section->sh_offset; 25182d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t entry_index = ((const char*)symb - sec_start)/section->sh_entsize; 25192d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 25202d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Get the corresponding version index entry 25212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Versym *vs = getEntry<Elf_Versym>(dot_gnu_version_sec, entry_index); 25222d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t version_index = vs->vs_index & ELF::VERSYM_VERSION; 25232d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 25242d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Special markers for unversioned symbols. 25252d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (version_index == ELF::VER_NDX_LOCAL || 25262d70e263c2b508bf4641273dd89a23149f6f6164David Meyer version_index == ELF::VER_NDX_GLOBAL) { 25272d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = ""; 25282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 25292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 25302d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 25312d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 25322d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Lookup this symbol in the version table 25332d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionMap(); 25342d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (version_index >= VersionMap.size() || VersionMap[version_index].isNull()) 25352d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Symbol has version index without corresponding " 25362d70e263c2b508bf4641273dd89a23149f6f6164David Meyer "define or reference entry"); 25372d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const VersionMapEntry &entry = VersionMap[version_index]; 25382d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 25392d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Get the version name string 25402d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t name_offset; 25412d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (entry.isVerdef()) { 25422d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // The first Verdaux entry holds the name. 25432d70e263c2b508bf4641273dd89a23149f6f6164David Meyer name_offset = entry.getVerdef()->getAux()->vda_name; 25442d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } else { 25452d70e263c2b508bf4641273dd89a23149f6f6164David Meyer name_offset = entry.getVernaux()->vna_name; 25462d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 25472d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = getString(dot_dynstr_sec, name_offset); 25482d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 25492d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Set IsDefault 25502d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (entry.isVerdef()) { 25512d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = !(vs->vs_index & ELF::VERSYM_HIDDEN); 25522d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } else { 25532d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 25542d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 25552d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 25562d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 25572d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 25582d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 25592d70e263c2b508bf4641273dd89a23149f6f6164David Meyertemplate<support::endianness target_endianness, bool is64Bits> 25605c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerinline DynRefImpl<target_endianness, is64Bits> 25615c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::DynRefImpl(DataRefImpl DynP, const OwningType *Owner) 25625c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer : DynPimpl(DynP) 25635c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer , OwningObject(Owner) {} 25645c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 25655c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 25665c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerinline bool DynRefImpl<target_endianness, is64Bits> 25675c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::operator==(const DynRefImpl &Other) const { 25685c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return DynPimpl == Other.DynPimpl; 25695c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 25705c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 25715c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 25725c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerinline bool DynRefImpl<target_endianness, is64Bits> 25735c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::operator <(const DynRefImpl &Other) const { 25745c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return DynPimpl < Other.DynPimpl; 25755c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 25765c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 25775c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 25785c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerinline error_code DynRefImpl<target_endianness, is64Bits> 25795c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getNext(DynRefImpl &Result) const { 25805c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return OwningObject->getDynNext(DynPimpl, Result); 25815c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 25825c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 25835c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 25845c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerinline int64_t DynRefImpl<target_endianness, is64Bits> 25855c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getTag() const { 25865c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return OwningObject->getDyn(DynPimpl)->d_tag; 25875c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 25885c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 25895c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 25905c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerinline uint64_t DynRefImpl<target_endianness, is64Bits> 25915c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getVal() const { 25925c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return OwningObject->getDyn(DynPimpl)->d_un.d_val; 25935c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 25945c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 25955c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 25965c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerinline uint64_t DynRefImpl<target_endianness, is64Bits> 25975c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getPtr() const { 25985c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return OwningObject->getDyn(DynPimpl)->d_un.d_ptr; 25995c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 26005c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 26015c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyertemplate<support::endianness target_endianness, bool is64Bits> 26025c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerinline DataRefImpl DynRefImpl<target_endianness, is64Bits> 26035c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getRawDataRefImpl() const { 26045c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return DynPimpl; 26055c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 26065c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 26072d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// This is a generic interface for retrieving GNU symbol version 26082d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// information from an ELFObjectFile. 26092d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstatic inline error_code GetELFSymbolVersion(const ObjectFile *Obj, 26102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const SymbolRef &Sym, 26112d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef &Version, 26122d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) { 26132d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Little-endian 32-bit 26142d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (const ELFObjectFile<support::little, false> *ELFObj = 26152d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dyn_cast<ELFObjectFile<support::little, false> >(Obj)) 26162d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ELFObj->getSymbolVersion(Sym, Version, IsDefault); 26172d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26182d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Big-endian 32-bit 26192d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (const ELFObjectFile<support::big, false> *ELFObj = 26202d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dyn_cast<ELFObjectFile<support::big, false> >(Obj)) 26212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ELFObj->getSymbolVersion(Sym, Version, IsDefault); 26222d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26232d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Little-endian 64-bit 26242d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (const ELFObjectFile<support::little, true> *ELFObj = 26252d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dyn_cast<ELFObjectFile<support::little, true> >(Obj)) 26262d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ELFObj->getSymbolVersion(Sym, Version, IsDefault); 26272d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Big-endian 64-bit 26292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (const ELFObjectFile<support::big, true> *ELFObj = 26302d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dyn_cast<ELFObjectFile<support::big, true> >(Obj)) 26312d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ELFObj->getSymbolVersion(Sym, Version, IsDefault); 26322d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26332d70e263c2b508bf4641273dd89a23149f6f6164David Meyer llvm_unreachable("Object passed to GetELFSymbolVersion() is not ELF"); 26342d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 26352d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2636f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2637f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2638f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2639f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#endif 2640