ELF.h revision fe23da794930e01701ee1ee4fdb2b91db59c2be5
1f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky//===- ELF.h - ELF object file implementation -------------------*- C++ -*-===// 2f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// 3f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// The LLVM Compiler Infrastructure 4f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// 5f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// This file is distributed under the University of Illinois Open Source 6f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// License. See LICENSE.TXT for details. 7f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// 8f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky//===----------------------------------------------------------------------===// 9f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// 10f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// This file declares the ELFObjectFile template class. 11f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// 12f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky//===----------------------------------------------------------------------===// 13f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 14f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#ifndef LLVM_OBJECT_ELF_H 15f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#define LLVM_OBJECT_ELF_H 16f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 17255f89faee13dc491cb64fbeae3c763e7e2ea4e6Chandler Carruth#include "llvm/ADT/DenseMap.h" 18255f89faee13dc491cb64fbeae3c763e7e2ea4e6Chandler Carruth#include "llvm/ADT/PointerIntPair.h" 19f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/ADT/SmallVector.h" 20f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/ADT/StringSwitch.h" 21f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/ADT/Triple.h" 22f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Object/ObjectFile.h" 23f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Support/Casting.h" 24f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Support/ELF.h" 25f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Support/Endian.h" 26f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Support/ErrorHandling.h" 27f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Support/MemoryBuffer.h" 28f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include "llvm/Support/raw_ostream.h" 29f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include <algorithm> 30f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include <limits> 31f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#include <utility> 32f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 33f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskynamespace llvm { 34f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskynamespace object { 35f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 364d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerusing support::endianness; 374d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer 3822f3b40d0bd18f2ad092398d18195c20ceeb1befEric Christophertemplate<typename T, int max_align> 394d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct MaximumAlignment { 404d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer enum {value = AlignOf<T>::Alignment > max_align ? max_align 414d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer : AlignOf<T>::Alignment}; 424d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer}; 434d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer 44689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd// Subclasses of ELFObjectFile may need this for template instantiation 45689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurdinline std::pair<unsigned char, unsigned char> 46689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston GurdgetElfArchType(MemoryBuffer *Object) { 47689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd if (Object->getBufferSize() < ELF::EI_NIDENT) 48689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd return std::make_pair((uint8_t)ELF::ELFCLASSNONE,(uint8_t)ELF::ELFDATANONE); 49689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd return std::make_pair( (uint8_t)Object->getBufferStart()[ELF::EI_CLASS] 50689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd , (uint8_t)Object->getBufferStart()[ELF::EI_DATA]); 51689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd} 52689ff9c00f4f3dcf3491778bcdbda79e19e2285dPreston Gurd 53f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// Templates to choose Elf_Addr and Elf_Off depending on is64Bits. 544d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 55f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct ELFDataTypeTypedefHelperCommon { 56f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 574d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <uint16_t, target_endianness, 584d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<uint16_t, max_alignment>::value> Elf_Half; 59f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 604d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <uint32_t, target_endianness, 614d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<uint32_t, max_alignment>::value> Elf_Word; 62f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 634d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <int32_t, target_endianness, 644d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<int32_t, max_alignment>::value> Elf_Sword; 65f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 664d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <uint64_t, target_endianness, 674d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<uint64_t, max_alignment>::value> Elf_Xword; 68f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 694d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <int64_t, target_endianness, 704d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<int64_t, max_alignment>::value> Elf_Sxword; 71f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 72f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 734d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 74f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct ELFDataTypeTypedefHelper; 75f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 76f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky/// ELF 32bit types. 774d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 784d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct ELFDataTypeTypedefHelper<target_endianness, max_alignment, false> 794d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer : ELFDataTypeTypedefHelperCommon<target_endianness, max_alignment> { 80f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef uint32_t value_type; 81f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 824d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <value_type, target_endianness, 834d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<value_type, max_alignment>::value> Elf_Addr; 84f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 854d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <value_type, target_endianness, 864d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<value_type, max_alignment>::value> Elf_Off; 87f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 88f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 89f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky/// ELF 64bit types. 904d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 914d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct ELFDataTypeTypedefHelper<target_endianness, max_alignment, true> 924d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer : ELFDataTypeTypedefHelperCommon<target_endianness, max_alignment>{ 93f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef uint64_t value_type; 94f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 954d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <value_type, target_endianness, 964d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<value_type, max_alignment>::value> Elf_Addr; 97f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef support::detail::packed_endian_specific_integral 984d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <value_type, target_endianness, 994d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer MaximumAlignment<value_type, max_alignment>::value> Elf_Off; 100f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 101f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 102f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// I really don't like doing this, but the alternative is copypasta. 1034d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer#define LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits) \ 1044d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertypedef typename ELFDataTypeTypedefHelper \ 1054d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <target_endianness, max_alignment, is64Bits>::Elf_Addr Elf_Addr; \ 1064d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertypedef typename ELFDataTypeTypedefHelper \ 1074d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <target_endianness, max_alignment, is64Bits>::Elf_Off Elf_Off; \ 1084d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertypedef typename ELFDataTypeTypedefHelper \ 1094d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <target_endianness, max_alignment, is64Bits>::Elf_Half Elf_Half; \ 1104d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertypedef typename ELFDataTypeTypedefHelper \ 1114d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <target_endianness, max_alignment, is64Bits>::Elf_Word Elf_Word; \ 1124d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertypedef typename ELFDataTypeTypedefHelper \ 1134d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <target_endianness, max_alignment, is64Bits>::Elf_Sword Elf_Sword; \ 1144d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertypedef typename ELFDataTypeTypedefHelper \ 1154d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <target_endianness, max_alignment, is64Bits>::Elf_Xword Elf_Xword; \ 1164d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertypedef typename ELFDataTypeTypedefHelper \ 1174d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer <target_endianness, max_alignment, is64Bits>::Elf_Sxword Elf_Sxword; 118f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 119f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Section header. 1204d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 121f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Shdr_Base; 122f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1234d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 1244d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Shdr_Base<target_endianness, max_alignment, false> { 1254d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false) 126f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_name; // Section name (index into string table) 127f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_type; // Section type (SHT_*) 128f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_flags; // Section flags (SHF_*) 129f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr sh_addr; // Address where section is to be loaded 130f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Off sh_offset; // File offset of section data, in bytes 131f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_size; // Size of section, in bytes 132f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_link; // Section type-specific header table index link 133f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_info; // Section type-specific extra information 134f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_addralign;// Section address alignment 135f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_entsize; // Size of records contained within the section 136f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 137f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1384d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 1394d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Shdr_Base<target_endianness, max_alignment, true> { 1404d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true) 141f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_name; // Section name (index into string table) 142f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_type; // Section type (SHT_*) 143f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword sh_flags; // Section flags (SHF_*) 144f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr sh_addr; // Address where section is to be loaded 145f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Off sh_offset; // File offset of section data, in bytes 146f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword sh_size; // Size of section, in bytes 147f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_link; // Section type-specific header table index link 148f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word sh_info; // Section type-specific extra information 149f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword sh_addralign;// Section address alignment 150f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword sh_entsize; // Size of records contained within the section 151f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 152f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1534d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 1544d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Shdr_Impl 1554d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer : Elf_Shdr_Base<target_endianness, max_alignment, is64Bits> { 1564d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer using Elf_Shdr_Base<target_endianness, max_alignment, is64Bits>::sh_entsize; 1574d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer using Elf_Shdr_Base<target_endianness, max_alignment, is64Bits>::sh_size; 158f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 159f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky /// @brief Get the number of entities this section contains if it has any. 160f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned getEntityCount() const { 161f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sh_entsize == 0) 162f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return 0; 163f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return sh_size / sh_entsize; 164f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 165f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 166f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1674d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate< endianness target_endianness 1684d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer , std::size_t max_alignment 1694d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer , bool is64Bits> 170f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Sym_Base; 171f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1724d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 1734d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Sym_Base<target_endianness, max_alignment, false> { 1744d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false) 175f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word st_name; // Symbol name (index into string table) 176f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr st_value; // Value or address associated with the symbol 177f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word st_size; // Size of the symbol 178f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char st_info; // Symbol's type and binding attributes 179f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char st_other; // Must be zero; reserved 180f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Half st_shndx; // Which section (header table index) it's defined in 181f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 182f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1834d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 1844d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Sym_Base<target_endianness, max_alignment, true> { 1854d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true) 186f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word st_name; // Symbol name (index into string table) 187f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char st_info; // Symbol's type and binding attributes 188f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char st_other; // Must be zero; reserved 189f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Half st_shndx; // Which section (header table index) it's defined in 190f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr st_value; // Value or address associated with the symbol 191f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword st_size; // Size of the symbol 192f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 193f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1944d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 1954d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Sym_Impl 1964d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer : Elf_Sym_Base<target_endianness, max_alignment, is64Bits> { 1974d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer using Elf_Sym_Base<target_endianness, max_alignment, is64Bits>::st_info; 198f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 199f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // These accessors and mutators correspond to the ELF32_ST_BIND, 200f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification: 201f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char getBinding() const { return st_info >> 4; } 202f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char getType() const { return st_info & 0x0f; } 203f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setBinding(unsigned char b) { setBindingAndType(b, getType()); } 204f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setType(unsigned char t) { setBindingAndType(getBinding(), t); } 205f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setBindingAndType(unsigned char b, unsigned char t) { 206f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky st_info = (b << 4) + (t & 0x0f); 207f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 208f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 209f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Versym: This is the structure of entries in the SHT_GNU_versym section 2112d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// (.gnu.version). This structure is identical for ELF32 and ELF64. 2124d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 2132d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Versym_Impl { 2144d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits) 2152d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vs_index; // Version index with flags (e.g. VERSYM_HIDDEN) 2162d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2172d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2184d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 2192d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Verdaux_Impl; 2202d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Verdef: This is the structure of entries in the SHT_GNU_verdef section 2222d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// (.gnu.version_d). This structure is identical for ELF32 and ELF64. 2234d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 2242d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Verdef_Impl { 2254d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits) 2264d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef 2274d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer Elf_Verdaux_Impl<target_endianness, max_alignment, is64Bits> Elf_Verdaux; 2282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vd_version; // Version of this structure (e.g. VER_DEF_CURRENT) 2292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vd_flags; // Bitwise flags (VER_DEF_*) 2302d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vd_ndx; // Version index, used in .gnu.version entries 2312d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vd_cnt; // Number of Verdaux entries 2322d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vd_hash; // Hash of name 2332d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vd_aux; // Offset to the first Verdaux entry (in bytes) 2342d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vd_next; // Offset to the next Verdef entry (in bytes) 2352d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2362d70e263c2b508bf4641273dd89a23149f6f6164David Meyer /// Get the first Verdaux entry for this Verdef. 2372d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Verdaux *getAux() const { 2382d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return reinterpret_cast<const Elf_Verdaux*>((const char*)this + vd_aux); 2392d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 2402d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2412d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 242d9b0b025612992a0b724eeca8bdf10b1d7a5c355Benjamin Kramer/// Elf_Verdaux: This is the structure of auxiliary data in the SHT_GNU_verdef 2432d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// section (.gnu.version_d). This structure is identical for ELF32 and ELF64. 2444d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 2452d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Verdaux_Impl { 2464d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits) 2472d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vda_name; // Version name (offset in string table) 2482d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vda_next; // Offset to next Verdaux entry (in bytes) 2492d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2502d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2512d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Verneed: This is the structure of entries in the SHT_GNU_verneed 2522d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// section (.gnu.version_r). This structure is identical for ELF32 and ELF64. 2534d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 2542d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Verneed_Impl { 2554d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits) 2562d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vn_version; // Version of this structure (e.g. VER_NEED_CURRENT) 2572d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vn_cnt; // Number of associated Vernaux entries 2582d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vn_file; // Library name (string table offset) 2592d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vn_aux; // Offset to first Vernaux entry (in bytes) 2602d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vn_next; // Offset to next Verneed entry (in bytes) 2612d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2622d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2632d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Vernaux: This is the structure of auxiliary data in SHT_GNU_verneed 2642d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// section (.gnu.version_r). This structure is identical for ELF32 and ELF64. 2654d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 2662d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstruct Elf_Vernaux_Impl { 2674d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits) 2682d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vna_hash; // Hash of dependency name 2692d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vna_flags; // Bitwise Flags (VER_FLAG_*) 2702d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Half vna_other; // Version index, used in .gnu.version entries 2712d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vna_name; // Dependency name 2722d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Elf_Word vna_next; // Offset to next Vernaux entry (in bytes) 2732d70e263c2b508bf4641273dd89a23149f6f6164David Meyer}; 2742d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2752d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Dyn_Base: This structure matches the form of entries in the dynamic 2762d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// table section (.dynamic) look like. 2774d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 2785c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerstruct Elf_Dyn_Base; 2795c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2804d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 2814d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Dyn_Base<target_endianness, max_alignment, false> { 2824d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false) 2835c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Sword d_tag; 2845c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer union { 2855c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Word d_val; 2865c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Addr d_ptr; 2875c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } d_un; 2885c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer}; 2895c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 2904d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 2914d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Dyn_Base<target_endianness, max_alignment, true> { 2924d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true) 2935c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Sxword d_tag; 2945c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer union { 2955c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Xword d_val; 2965c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Elf_Addr d_ptr; 2975c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } d_un; 2985c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer}; 2995c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3002d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// Elf_Dyn_Impl: This inherits from Elf_Dyn_Base, adding getters and setters. 3014d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 3024d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Dyn_Impl : Elf_Dyn_Base<target_endianness, max_alignment, is64Bits> { 3034d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer using Elf_Dyn_Base<target_endianness, max_alignment, is64Bits>::d_tag; 3044d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer using Elf_Dyn_Base<target_endianness, max_alignment, is64Bits>::d_un; 3055c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer int64_t getTag() const { return d_tag; } 3065c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer uint64_t getVal() const { return d_un.d_val; } 3075c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer uint64_t getPtr() const { return d_un.ptr; } 3085c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer}; 3095c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3104d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 3115c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerclass ELFObjectFile; 3125c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3135c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer// DynRefImpl: Reference to an entry in the dynamic table 3145c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer// This is an ELF-specific interface. 3154d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 3165c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerclass DynRefImpl { 3174d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef Elf_Dyn_Impl<target_endianness, max_alignment, is64Bits> Elf_Dyn; 3184d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef ELFObjectFile<target_endianness, max_alignment, is64Bits> OwningType; 3195c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3205c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DataRefImpl DynPimpl; 3215c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer const OwningType *OwningObject; 3225c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3235c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerpublic: 3243fd9b8422328a60664a5c631ec9519b58017fcbcDanil Malyshev DynRefImpl() : OwningObject(NULL) { } 3255c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3265c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DynRefImpl(DataRefImpl DynP, const OwningType *Owner); 3275c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3285c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer bool operator==(const DynRefImpl &Other) const; 3295c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer bool operator <(const DynRefImpl &Other) const; 3305c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3315c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer error_code getNext(DynRefImpl &Result) const; 3325c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer int64_t getTag() const; 3335c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer uint64_t getVal() const; 3345c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer uint64_t getPtr() const; 3355c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3365c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DataRefImpl getRawDataRefImpl() const; 3375c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer}; 3385c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 3395c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer// Elf_Rel: Elf Relocation 3404d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate< endianness target_endianness 3414d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer , std::size_t max_alignment 3424d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer , bool is64Bits 3434d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer , bool isRela> 344f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Rel_Base; 345f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 3464d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 3474d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Rel_Base<target_endianness, max_alignment, false, false> { 3484d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false) 349f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr r_offset; // Location (file byte offset, or program virtual addr) 350f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word r_info; // Symbol table index and type of relocation to apply 351f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 352f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 3534d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 3544d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Rel_Base<target_endianness, max_alignment, true, false> { 3554d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true) 356f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr r_offset; // Location (file byte offset, or program virtual addr) 357f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword r_info; // Symbol table index and type of relocation to apply 358f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 359f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 3604d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 3614d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Rel_Base<target_endianness, max_alignment, false, true> { 3624d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false) 363f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr r_offset; // Location (file byte offset, or program virtual addr) 364f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Word r_info; // Symbol table index and type of relocation to apply 365f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Sword r_addend; // Compute value for relocatable field by adding this 366f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 367f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 3684d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 3694d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Rel_Base<target_endianness, max_alignment, true, true> { 3704d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true) 371f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Addr r_offset; // Location (file byte offset, or program virtual addr) 372f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Xword r_info; // Symbol table index and type of relocation to apply 373f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Elf_Sxword r_addend; // Compute value for relocatable field by adding this. 374f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 375f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 3764d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate< endianness target_endianness 3774d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer , std::size_t max_alignment 3784d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer , bool is64Bits 3794d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer , bool isRela> 380f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskystruct Elf_Rel_Impl; 381f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 3824d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool isRela> 3834d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Rel_Impl<target_endianness, max_alignment, true, isRela> 3844d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer : Elf_Rel_Base<target_endianness, max_alignment, true, isRela> { 3854d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer using Elf_Rel_Base<target_endianness, max_alignment, true, isRela>::r_info; 3864d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true) 387f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 388f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, 389f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // and ELF64_R_INFO macros defined in the ELF specification: 390f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t getSymbol() const { return (r_info >> 32); } 391f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char getType() const { 392f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return (unsigned char) (r_info & 0xffffffffL); 393f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 394f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setSymbol(uint64_t s) { setSymbolAndType(s, getType()); } 395f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } 396f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setSymbolAndType(uint64_t s, unsigned char t) { 397f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky r_info = (s << 32) + (t&0xffffffffL); 398f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 399f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 400f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 4014d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool isRela> 4024d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Rel_Impl<target_endianness, max_alignment, false, isRela> 4034d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer : Elf_Rel_Base<target_endianness, max_alignment, false, isRela> { 4044d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer using Elf_Rel_Base<target_endianness, max_alignment, false, isRela>::r_info; 4054d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false) 406f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 407f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE, 408f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // and ELF32_R_INFO macros defined in the ELF specification: 409f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint32_t getSymbol() const { return (r_info >> 8); } 410f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); } 411f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setSymbol(uint32_t s) { setSymbolAndType(s, getType()); } 412f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } 413f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void setSymbolAndType(uint32_t s, unsigned char t) { 414f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky r_info = (s << 8) + t; 415f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 416f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 417f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 4184d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 4192c38a6615a693d0a43159825da2358126473502bMichael J. Spencerstruct Elf_Ehdr_Impl { 4204d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits) 4212c38a6615a693d0a43159825da2358126473502bMichael J. Spencer unsigned char e_ident[ELF::EI_NIDENT]; // ELF Identification bytes 4222c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_type; // Type of file (see ET_*) 4232c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_machine; // Required architecture for this file (see EM_*) 4242c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Word e_version; // Must be equal to 1 4252c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Addr e_entry; // Address to jump to in order to start program 4262c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Off e_phoff; // Program header table's file offset, in bytes 4272c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Off e_shoff; // Section header table's file offset, in bytes 4282c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Word e_flags; // Processor-specific flags 4292c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_ehsize; // Size of ELF header, in bytes 4302c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_phentsize;// Size of an entry in the program header table 4312c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_phnum; // Number of entries in the program header table 4322c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_shentsize;// Size of an entry in the section header table 4332c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_shnum; // Number of entries in the section header table 4342c38a6615a693d0a43159825da2358126473502bMichael J. Spencer Elf_Half e_shstrndx; // Section header table index of section name 4352c38a6615a693d0a43159825da2358126473502bMichael J. Spencer // string table 4362c38a6615a693d0a43159825da2358126473502bMichael J. Spencer bool checkMagic() const { 4372c38a6615a693d0a43159825da2358126473502bMichael J. Spencer return (memcmp(e_ident, ELF::ElfMagic, strlen(ELF::ElfMagic))) == 0; 4382c38a6615a693d0a43159825da2358126473502bMichael J. Spencer } 4392c38a6615a693d0a43159825da2358126473502bMichael J. Spencer unsigned char getFileClass() const { return e_ident[ELF::EI_CLASS]; } 4402c38a6615a693d0a43159825da2358126473502bMichael J. Spencer unsigned char getDataEncoding() const { return e_ident[ELF::EI_DATA]; } 4412c38a6615a693d0a43159825da2358126473502bMichael J. Spencer}; 442f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 4434d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 444a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarnistruct Elf_Phdr; 445a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni 4464d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 4474d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Phdr<target_endianness, max_alignment, false> { 4484d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false) 449a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_type; // Type of segment 450a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Off p_offset; // FileOffset where segment is located, in bytes 4514d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer Elf_Addr p_vaddr; // Virtual Address of beginning of segment 452a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific) 453a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_filesz; // Num. of bytes in file image of segment (may be zero) 454a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_memsz; // Num. of bytes in mem image of segment (may be zero) 455a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_flags; // Segment flags 456a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_align; // Segment alignment constraint 457a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni}; 458a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni 4594d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment> 4604d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerstruct Elf_Phdr<target_endianness, max_alignment, true> { 4614d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true) 462a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_type; // Type of segment 463a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_flags; // Segment flags 464a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Off p_offset; // FileOffset where segment is located, in bytes 4654d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer Elf_Addr p_vaddr; // Virtual Address of beginning of segment 466a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific) 467a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_filesz; // Num. of bytes in file image of segment (may be zero) 468a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_memsz; // Num. of bytes in mem image of segment (may be zero) 469a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni Elf_Word p_align; // Segment alignment constraint 470a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni}; 471a06fd990543c82c4cc735354914ae4be64eb83d6Hemant Kulkarni 4724d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 473f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyclass ELFObjectFile : public ObjectFile { 4744d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits) 4754d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer 4764d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef Elf_Ehdr_Impl<target_endianness, max_alignment, is64Bits> Elf_Ehdr; 4774d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef Elf_Shdr_Impl<target_endianness, max_alignment, is64Bits> Elf_Shdr; 4784d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef Elf_Sym_Impl<target_endianness, max_alignment, is64Bits> Elf_Sym; 4794d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef Elf_Dyn_Impl<target_endianness, max_alignment, is64Bits> Elf_Dyn; 4804d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef 4814d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer Elf_Rel_Impl<target_endianness, max_alignment, is64Bits, false> Elf_Rel; 4824d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef 4834d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer Elf_Rel_Impl<target_endianness, max_alignment, is64Bits, true> Elf_Rela; 4844d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef 4854d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer Elf_Verdef_Impl<target_endianness, max_alignment, is64Bits> Elf_Verdef; 4864d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef 4874d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer Elf_Verdaux_Impl<target_endianness, max_alignment, is64Bits> Elf_Verdaux; 4884d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef 4894d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer Elf_Verneed_Impl<target_endianness, max_alignment, is64Bits> Elf_Verneed; 4904d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef 4914d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer Elf_Vernaux_Impl<target_endianness, max_alignment, is64Bits> Elf_Vernaux; 4924d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef 4934d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer Elf_Versym_Impl<target_endianness, max_alignment, is64Bits> Elf_Versym; 4944d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer typedef DynRefImpl<target_endianness, max_alignment, is64Bits> DynRef; 4955c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer typedef content_iterator<DynRef> dyn_iterator; 496f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 497f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyprotected: 498f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // This flag is used for classof, to distinguish ELFObjectFile from 499f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // its subclass. If more subclasses will be created, this flag will 500f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // have to become an enum. 501f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool isDyldELFObject; 502f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 503f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyprivate: 504f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef SmallVector<const Elf_Shdr*, 1> Sections_t; 505f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef DenseMap<unsigned, unsigned> IndexMap_t; 506f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typedef DenseMap<const Elf_Shdr*, SmallVector<uint32_t, 1> > RelocMap_t; 507f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 508f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Ehdr *Header; 509f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *SectionHeaderTable; 510f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *dot_shstrtab_sec; // Section header string table. 511f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *dot_strtab_sec; // Symbol header string table. 512dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer const Elf_Shdr *dot_dynstr_sec; // Dynamic symbol string table. 5132d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 5142d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // SymbolTableSections[0] always points to the dynamic string table section 5152d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // header, or NULL if there is no dynamic string table. 516f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Sections_t SymbolTableSections; 517f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky IndexMap_t SymbolTableSectionsIndexMap; 518f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DenseMap<const Elf_Sym*, ELF::Elf64_Word> ExtendedSymbolTable; 519f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 5202d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Shdr *dot_dynamic_sec; // .dynamic 5212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Shdr *dot_gnu_version_sec; // .gnu.version 5222d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Shdr *dot_gnu_version_r_sec; // .gnu.version_r 5232d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Shdr *dot_gnu_version_d_sec; // .gnu.version_d 5242d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 52597f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer // Pointer to SONAME entry in dynamic string table 52697f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer // This is set the first time getLoadName is called. 52797f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer mutable const char *dt_soname; 5285c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 5299b7ca410621f6988b2d4203b90058dd4252848a8Sid Manningpublic: 530fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer /// \brief Iterate over constant sized entities. 531fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer template<class EntT> 532fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer class ELFEntityIterator { 5339b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning public: 5349b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef void difference_type; 535fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer typedef EntT value_type; 5369b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef std::forward_iterator_tag iterator_category; 5379b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef value_type &reference; 5389b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning typedef value_type *pointer; 5399b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5409b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning /// \brief Default construct iterator. 541fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer ELFEntityIterator() : EntitySize(0), Current(0) {} 542fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer ELFEntityIterator(uint64_t EntSize, const char *Start) 543fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer : EntitySize(EntSize) 5449b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning , Current(Start) {} 5459b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5469b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning reference operator *() { 5479b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning assert(Current && "Attempted to dereference an invalid iterator!"); 548fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return *reinterpret_cast<pointer>(Current); 5499b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5509b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5519b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning pointer operator ->() { 5529b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning assert(Current && "Attempted to dereference an invalid iterator!"); 553fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return reinterpret_cast<pointer>(Current); 5549b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5559b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 556fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer bool operator ==(const ELFEntityIterator &Other) { 557fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return Current == Other.Current; 5589b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5599b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 560fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer bool operator !=(const ELFEntityIterator &Other) { 5619b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return !(*this == Other); 5629b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5639b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 564fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer ELFEntityIterator &operator ++() { 5659b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning assert(Current && "Attempted to increment an invalid iterator!"); 566fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer Current += EntitySize; 5679b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return *this; 5689b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5699b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 570fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer ELFEntityIterator operator ++(int) { 571fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer ELFEntityIterator Tmp = *this; 5729b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning ++*this; 5739b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return Tmp; 5749b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning } 5759b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5769b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning private: 577fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer const uint64_t EntitySize; 5789b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning const char *Current; 5799b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning }; 5809b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 5819b7ca410621f6988b2d4203b90058dd4252848a8Sid Manningprivate: 5822d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Records for each version index the corresponding Verdef or Vernaux entry. 5832d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // This is filled the first time LoadVersionMap() is called. 5842d70e263c2b508bf4641273dd89a23149f6f6164David Meyer class VersionMapEntry : public PointerIntPair<const void*, 1> { 5852d70e263c2b508bf4641273dd89a23149f6f6164David Meyer public: 5862d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // If the integer is 0, this is an Elf_Verdef*. 5872d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // If the integer is 1, this is an Elf_Vernaux*. 5882d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMapEntry() : PointerIntPair<const void*, 1>(NULL, 0) { } 5892d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMapEntry(const Elf_Verdef *verdef) 5902d70e263c2b508bf4641273dd89a23149f6f6164David Meyer : PointerIntPair<const void*, 1>(verdef, 0) { } 5912d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMapEntry(const Elf_Vernaux *vernaux) 5922d70e263c2b508bf4641273dd89a23149f6f6164David Meyer : PointerIntPair<const void*, 1>(vernaux, 1) { } 5932d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool isNull() const { return getPointer() == NULL; } 5942d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool isVerdef() const { return !isNull() && getInt() == 0; } 5952d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool isVernaux() const { return !isNull() && getInt() == 1; } 5962d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Verdef *getVerdef() const { 5972d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return isVerdef() ? (const Elf_Verdef*)getPointer() : NULL; 5982d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 5992d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Vernaux *getVernaux() const { 6002d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return isVernaux() ? (const Elf_Vernaux*)getPointer() : NULL; 6012d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 6022d70e263c2b508bf4641273dd89a23149f6f6164David Meyer }; 6032d70e263c2b508bf4641273dd89a23149f6f6164David Meyer mutable SmallVector<VersionMapEntry, 16> VersionMap; 6042d70e263c2b508bf4641273dd89a23149f6f6164David Meyer void LoadVersionDefs(const Elf_Shdr *sec) const; 6052d70e263c2b508bf4641273dd89a23149f6f6164David Meyer void LoadVersionNeeds(const Elf_Shdr *ec) const; 6062d70e263c2b508bf4641273dd89a23149f6f6164David Meyer void LoadVersionMap() const; 6072d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 608f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky /// @brief Map sections to an array of relocation sections that reference 609f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky /// them sorted by section index. 610f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelocMap_t SectionRelocMap; 611f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 612f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky /// @brief Get the relocation section that contains \a Rel. 613f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *getRelSection(DataRefImpl Rel) const { 614f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getSection(Rel.w.b); 615f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 616f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 617f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool isRelocationHasAddend(DataRefImpl Rel) const; 618f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky template<typename T> 619f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const T *getEntry(uint16_t Section, uint32_t Entry) const; 620f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky template<typename T> 621f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const T *getEntry(const Elf_Shdr *Section, uint32_t Entry) const; 622f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *getSection(DataRefImpl index) const; 623f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *getSection(uint32_t index) const; 624f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Rel *getRel(DataRefImpl Rel) const; 625f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Rela *getRela(DataRefImpl Rela) const; 626f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const char *getString(uint32_t section, uint32_t offset) const; 627f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const char *getString(const Elf_Shdr *section, uint32_t offset) const; 6282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer error_code getSymbolVersion(const Elf_Shdr *section, 6292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Sym *Symb, 6302d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef &Version, 6312d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) const; 632dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer void VerifyStrTab(const Elf_Shdr *sh) const; 633f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 634f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyprotected: 635f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *getSymbol(DataRefImpl Symb) const; // FIXME: Should be private? 636f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky void validateSymbol(DataRefImpl Symb) const; 637f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 6385c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyerpublic: 6399dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta error_code getSymbolName(const Elf_Shdr *section, 6409dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta const Elf_Sym *Symb, 6419dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Res) const; 6429dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta error_code getSectionName(const Elf_Shdr *section, 6439dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Res) const; 6445c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer const Elf_Dyn *getDyn(DataRefImpl DynData) const; 6452d70e263c2b508bf4641273dd89a23149f6f6164David Meyer error_code getSymbolVersion(SymbolRef Symb, StringRef &Version, 6462d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) const; 647f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran uint64_t getSymbolIndex(const Elf_Sym *sym) const; 648f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyprotected: 649f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const; 650f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const; 651f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res) const; 652f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const; 653f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const; 654f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const; 655c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer virtual error_code getSymbolFlags(DataRefImpl Symb, uint32_t &Res) const; 656f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolType(DataRefImpl Symb, SymbolRef::Type &Res) const; 657f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSymbolSection(DataRefImpl Symb, 658f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky section_iterator &Res) const; 659a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const; 660f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 6614d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer friend class DynRefImpl<target_endianness, max_alignment, is64Bits>; 6625c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual error_code getDynNext(DataRefImpl DynData, DynRef &Result) const; 6635c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 6645c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual error_code getLibraryNext(DataRefImpl Data, LibraryRef &Result) const; 6655c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual error_code getLibraryPath(DataRefImpl Data, StringRef &Res) const; 6665c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 667f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const; 668f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const; 669f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const; 670f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const; 671f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const; 672f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const; 673f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const; 674f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const; 675f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const; 676c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd virtual error_code isSectionRequiredForExecution(DataRefImpl Sec, 677c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd bool &Res) const; 678c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const; 679c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const; 6803a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor virtual error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const; 681f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb, 682f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool &Result) const; 683f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const; 684f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const; 685f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 686f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationNext(DataRefImpl Rel, 687f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelocationRef &Res) const; 688f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationAddress(DataRefImpl Rel, 689f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Res) const; 690f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationOffset(DataRefImpl Rel, 691f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Res) const; 692f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationSymbol(DataRefImpl Rel, 693f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolRef &Res) const; 694f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationType(DataRefImpl Rel, 695f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Res) const; 696f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationTypeName(DataRefImpl Rel, 697f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SmallVectorImpl<char> &Result) const; 698f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel, 699f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky int64_t &Res) const; 700f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual error_code getRelocationValueString(DataRefImpl Rel, 701f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SmallVectorImpl<char> &Result) const; 702f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 703f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskypublic: 704f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELFObjectFile(MemoryBuffer *Object, error_code &ec); 705f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual symbol_iterator begin_symbols() const; 706f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual symbol_iterator end_symbols() const; 7075c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 708dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer virtual symbol_iterator begin_dynamic_symbols() const; 709dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer virtual symbol_iterator end_dynamic_symbols() const; 7105c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 711f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual section_iterator begin_sections() const; 712f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual section_iterator end_sections() const; 713f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 7145c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual library_iterator begin_libraries_needed() const; 7155c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual library_iterator end_libraries_needed() const; 7165c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 7175c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual dyn_iterator begin_dynamic_table() const; 7185c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer virtual dyn_iterator end_dynamic_table() const; 7195c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 720fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer typedef ELFEntityIterator<const Elf_Rela> Elf_Rela_Iter; 721fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer typedef ELFEntityIterator<const Elf_Rel> Elf_Rel_Iter; 7229b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 723fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer Elf_Rela_Iter beginELFRela(const Elf_Shdr *sec) const { 724fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return Elf_Rela_Iter(sec->sh_entsize, 725fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer (const char *)(base() + sec->sh_offset)); 726419e5b9d4f8bd0e0724b7b2c2d8df0f534bc8d8dRichard Smith } 7279b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 728fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer Elf_Rela_Iter endELFRela(const Elf_Shdr *sec) const { 729fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return Elf_Rela_Iter(sec->sh_entsize, (const char *) 7309b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning (base() + sec->sh_offset + sec->sh_size)); 731419e5b9d4f8bd0e0724b7b2c2d8df0f534bc8d8dRichard Smith } 7329b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 733fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer Elf_Rel_Iter beginELFRel(const Elf_Shdr *sec) const { 734fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return Elf_Rel_Iter(sec->sh_entsize, 735fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer (const char *)(base() + sec->sh_offset)); 736419e5b9d4f8bd0e0724b7b2c2d8df0f534bc8d8dRichard Smith } 7379b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 738fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer Elf_Rel_Iter endELFRel(const Elf_Shdr *sec) const { 739fe23da794930e01701ee1ee4fdb2b91db59c2be5Michael J. Spencer return Elf_Rel_Iter(sec->sh_entsize, (const char *) 7409b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning (base() + sec->sh_offset + sec->sh_size)); 741419e5b9d4f8bd0e0724b7b2c2d8df0f534bc8d8dRichard Smith } 7429b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 743f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual uint8_t getBytesInAddress() const; 744f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual StringRef getFileFormatName() const; 7452d70e263c2b508bf4641273dd89a23149f6f6164David Meyer virtual StringRef getObjectType() const { return "ELF"; } 746f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky virtual unsigned getArch() const; 74797f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer virtual StringRef getLoadName() const; 7489dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta virtual error_code getSectionContents(const Elf_Shdr *sec, 7499dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Res) const; 750f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 751f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t getNumSections() const; 752f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t getStringTableIndex() const; 753f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELF::Elf64_Word getSymbolTableIndex(const Elf_Sym *symb) const; 754f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *getSection(const Elf_Sym *symb) const; 7559dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta const Elf_Shdr *getElfSection(section_iterator &It) const; 7569dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta const Elf_Sym *getElfSymbol(symbol_iterator &It) const; 7579b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning const Elf_Sym *getElfSymbol(uint32_t index) const; 758f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 759f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Methods for type inquiry through isa, cast, and dyn_cast 760f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool isDyldType() const { return isDyldELFObject; } 761f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky static inline bool classof(const Binary *v) { 7626f9489a86f33624f9ff5388411d12359ce9cef20David Meyer return v->getType() == getELFType(target_endianness == support::little, 7636f9489a86f33624f9ff5388411d12359ce9cef20David Meyer is64Bits); 764f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 765f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky}; 766f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 7672d70e263c2b508bf4641273dd89a23149f6f6164David Meyer// Iterate through the version definitions, and place each Elf_Verdef 7682d70e263c2b508bf4641273dd89a23149f6f6164David Meyer// in the VersionMap according to its index. 7694d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 7704d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencervoid ELFObjectFile<target_endianness, max_alignment, is64Bits>:: 7712d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionDefs(const Elf_Shdr *sec) const { 7722d70e263c2b508bf4641273dd89a23149f6f6164David Meyer unsigned vd_size = sec->sh_size; // Size of section in bytes 7732d70e263c2b508bf4641273dd89a23149f6f6164David Meyer unsigned vd_count = sec->sh_info; // Number of Verdef entries 7742d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_start = (const char*)base() + sec->sh_offset; 7752d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_end = sec_start + vd_size; 7762d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // The first Verdef entry is at the start of the section. 7772d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *p = sec_start; 7782d70e263c2b508bf4641273dd89a23149f6f6164David Meyer for (unsigned i = 0; i < vd_count; i++) { 7792d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (p + sizeof(Elf_Verdef) > sec_end) 7802d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Section ended unexpectedly while scanning " 7812d70e263c2b508bf4641273dd89a23149f6f6164David Meyer "version definitions."); 7822d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Verdef *vd = reinterpret_cast<const Elf_Verdef *>(p); 7832d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (vd->vd_version != ELF::VER_DEF_CURRENT) 7842d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Unexpected verdef version"); 7852d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t index = vd->vd_ndx & ELF::VERSYM_VERSION; 7862d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (index >= VersionMap.size()) 7872d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap.resize(index+1); 7882d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap[index] = VersionMapEntry(vd); 7892d70e263c2b508bf4641273dd89a23149f6f6164David Meyer p += vd->vd_next; 7902d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 7912d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 7922d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 7932d70e263c2b508bf4641273dd89a23149f6f6164David Meyer// Iterate through the versions needed section, and place each Elf_Vernaux 7942d70e263c2b508bf4641273dd89a23149f6f6164David Meyer// in the VersionMap according to its index. 7954d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 7964d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencervoid ELFObjectFile<target_endianness, max_alignment, is64Bits>:: 7972d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionNeeds(const Elf_Shdr *sec) const { 7982d70e263c2b508bf4641273dd89a23149f6f6164David Meyer unsigned vn_size = sec->sh_size; // Size of section in bytes 7992d70e263c2b508bf4641273dd89a23149f6f6164David Meyer unsigned vn_count = sec->sh_info; // Number of Verneed entries 8002d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_start = (const char*)base() + sec->sh_offset; 8012d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_end = sec_start + vn_size; 8022d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // The first Verneed entry is at the start of the section. 8032d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *p = sec_start; 8042d70e263c2b508bf4641273dd89a23149f6f6164David Meyer for (unsigned i = 0; i < vn_count; i++) { 8052d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (p + sizeof(Elf_Verneed) > sec_end) 8062d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Section ended unexpectedly while scanning " 8072d70e263c2b508bf4641273dd89a23149f6f6164David Meyer "version needed records."); 8082d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Verneed *vn = reinterpret_cast<const Elf_Verneed *>(p); 8092d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (vn->vn_version != ELF::VER_NEED_CURRENT) 8102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Unexpected verneed version"); 8112d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Iterate through the Vernaux entries 8122d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *paux = p + vn->vn_aux; 8132d70e263c2b508bf4641273dd89a23149f6f6164David Meyer for (unsigned j = 0; j < vn->vn_cnt; j++) { 8142d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (paux + sizeof(Elf_Vernaux) > sec_end) 8152d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Section ended unexpected while scanning auxiliary " 8162d70e263c2b508bf4641273dd89a23149f6f6164David Meyer "version needed records."); 8172d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Vernaux *vna = reinterpret_cast<const Elf_Vernaux *>(paux); 8182d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t index = vna->vna_other & ELF::VERSYM_VERSION; 8192d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (index >= VersionMap.size()) 8202d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap.resize(index+1); 8212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap[index] = VersionMapEntry(vna); 8222d70e263c2b508bf4641273dd89a23149f6f6164David Meyer paux += vna->vna_next; 8232d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 8242d70e263c2b508bf4641273dd89a23149f6f6164David Meyer p += vn->vn_next; 8252d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 8262d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 8272d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8284d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 8294d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencervoid ELFObjectFile<target_endianness, max_alignment, is64Bits> 8304d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::LoadVersionMap() const { 8312d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // If there is no dynamic symtab or version table, there is nothing to do. 8322d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (SymbolTableSections[0] == NULL || dot_gnu_version_sec == NULL) 8332d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return; 8342d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8352d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Has the VersionMap already been loaded? 8362d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (VersionMap.size() > 0) 8372d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return; 8382d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8392d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // The first two version indexes are reserved. 8402d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Index 0 is LOCAL, index 1 is GLOBAL. 8412d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap.push_back(VersionMapEntry()); 8422d70e263c2b508bf4641273dd89a23149f6f6164David Meyer VersionMap.push_back(VersionMapEntry()); 8432d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8442d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_d_sec) 8452d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionDefs(dot_gnu_version_d_sec); 8462d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8472d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_r_sec) 8482d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionNeeds(dot_gnu_version_r_sec); 8492d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 8502d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 8514d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 8524d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencervoid ELFObjectFile<target_endianness, max_alignment, is64Bits> 853f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::validateSymbol(DataRefImpl Symb) const { 854f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 855f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *SymbolTableSection = SymbolTableSections[Symb.d.b]; 856f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: We really need to do proper error handling in the case of an invalid 857f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // input file. Because we don't use exceptions, I think we'll just pass 858f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // an error object around. 859f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (!( symb 860f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && SymbolTableSection 861f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && symb >= (const Elf_Sym*)(base() 862f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + SymbolTableSection->sh_offset) 863f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && symb < (const Elf_Sym*)(base() 864f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + SymbolTableSection->sh_offset 865f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + SymbolTableSection->sh_size))) 866f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 867f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Symb must point to a valid symbol!"); 868f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 869f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 8704d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 8714d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 872f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolNext(DataRefImpl Symb, 873f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolRef &Result) const { 874f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 875f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *SymbolTableSection = SymbolTableSections[Symb.d.b]; 876f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 877f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++Symb.d.a; 878f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Check to see if we are at the end of this symbol table. 879f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Symb.d.a >= SymbolTableSection->getEntityCount()) { 880f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // We are at the end. If there are other symbol tables, jump to them. 881dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // If the symbol table is .dynsym, we are iterating dynamic symbols, 882dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // and there is only one table of these. 883dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (Symb.d.b != 0) { 884dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer ++Symb.d.b; 885dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer Symb.d.a = 1; // The 0th symbol in ELF is fake. 886dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } 887f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Otherwise return the terminator. 888dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (Symb.d.b == 0 || Symb.d.b >= SymbolTableSections.size()) { 889f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Symb.d.a = std::numeric_limits<uint32_t>::max(); 890f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Symb.d.b = std::numeric_limits<uint32_t>::max(); 891f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 892f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 893f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 894f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef(Symb, this); 895f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 896f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 897f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 8984d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 8994d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 900f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolName(DataRefImpl Symb, 901f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef &Result) const { 902f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 903f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 904dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer return getSymbolName(SymbolTableSections[Symb.d.b], symb, Result); 905f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 906f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 9074d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 9084d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 9092d70e263c2b508bf4641273dd89a23149f6f6164David Meyer ::getSymbolVersion(SymbolRef SymRef, 9102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef &Version, 9112d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) const { 9122d70e263c2b508bf4641273dd89a23149f6f6164David Meyer DataRefImpl Symb = SymRef.getRawDataRefImpl(); 9132d70e263c2b508bf4641273dd89a23149f6f6164David Meyer validateSymbol(Symb); 9142d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Sym *symb = getSymbol(Symb); 9152d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return getSymbolVersion(SymbolTableSections[Symb.d.b], symb, 9162d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version, IsDefault); 9172d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 9182d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 9194d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 9204d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELF::Elf64_Word ELFObjectFile<target_endianness, max_alignment, is64Bits> 921f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolTableIndex(const Elf_Sym *symb) const { 922f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_shndx == ELF::SHN_XINDEX) 923f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return ExtendedSymbolTable.lookup(symb); 924f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return symb->st_shndx; 925f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 926f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 9274d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 9284d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerconst typename ELFObjectFile<target_endianness, max_alignment, is64Bits> 9294d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::Elf_Shdr * 9304d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 931f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSection(const Elf_Sym *symb) const { 932f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_shndx == ELF::SHN_XINDEX) 933f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getSection(ExtendedSymbolTable.lookup(symb)); 934f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_shndx >= ELF::SHN_LORESERVE) 935f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return 0; 936f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getSection(symb->st_shndx); 937f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 938f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 9394d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 9404d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerconst typename ELFObjectFile<target_endianness, max_alignment, is64Bits> 9414d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::Elf_Shdr * 9424d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 9439dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta ::getElfSection(section_iterator &It) const { 9449dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta llvm::object::DataRefImpl ShdrRef = It->getRawDataRefImpl(); 9459669f749764997ab7033d5c4b0546fe739dd71d8Michael J. Spencer return reinterpret_cast<const Elf_Shdr *>(ShdrRef.p); 9469dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta} 9479dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta 9484d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 9494d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerconst typename ELFObjectFile<target_endianness, max_alignment, is64Bits> 9504d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::Elf_Sym * 9514d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 9529dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta ::getElfSymbol(symbol_iterator &It) const { 9539dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta return getSymbol(It->getRawDataRefImpl()); 9549dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta} 9559dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta 9564d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 9574d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerconst typename ELFObjectFile<target_endianness, max_alignment, is64Bits> 9584d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::Elf_Sym * 9594d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 9609b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning ::getElfSymbol(uint32_t index) const { 9619b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning DataRefImpl SymbolData; 9629b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning SymbolData.d.a = index; 9639b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning SymbolData.d.b = 1; 9649b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning return getSymbol(SymbolData); 9659b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning} 9669b7ca410621f6988b2d4203b90058dd4252848a8Sid Manning 9674d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 9684d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 969f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolFileOffset(DataRefImpl Symb, 970f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 971f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 972f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 973f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *Section; 974f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (getSymbolTableIndex(symb)) { 975f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_COMMON: 976f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Unintialized symbols have no offset in the object file 977f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_UNDEF: 978f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 979f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 980f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_ABS: 981f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = symb->st_value; 982f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 983f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: Section = getSection(symb); 984f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 985f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 986f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (symb->getType()) { 987f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_SECTION: 988f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = Section ? Section->sh_addr : UnknownAddressOrSize; 989f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 990f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_FUNC: 991f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_OBJECT: 992f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_NOTYPE: 993f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = symb->st_value + 994f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky (Section ? Section->sh_offset : 0); 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 10024d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 10034d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1004f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolAddress(DataRefImpl Symb, 1005f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1006f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1007f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1008f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *Section; 1009f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (getSymbolTableIndex(symb)) { 1010f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_COMMON: 1011f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_UNDEF: 1012f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 1013f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1014f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_ABS: 1015f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = symb->st_value; 1016f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1017f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: Section = getSection(symb); 1018f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1019f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1020f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (symb->getType()) { 1021f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_SECTION: 1022f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = Section ? Section->sh_addr : UnknownAddressOrSize; 1023f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1024f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_FUNC: 1025f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_OBJECT: 1026f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_NOTYPE: 102701fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov bool IsRelocatable; 102801fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov switch(Header->e_type) { 102901fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov case ELF::ET_EXEC: 103001fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov case ELF::ET_DYN: 103101fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov IsRelocatable = false; 103201fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov break; 103301fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov default: 103401fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov IsRelocatable = true; 103501fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov } 103601fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov Result = symb->st_value; 103701fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov if (IsRelocatable && Section != 0) 103801fa41a106ed0ff86c3b9ffe0843679211bf487cAlexey Samsonov Result += Section->sh_addr; 1039f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1040f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1041f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 1042f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1043f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1044f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1045f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 10464d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 10474d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1048f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolSize(DataRefImpl Symb, 1049f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1050f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1051f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1052f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_size == 0) 1053f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = UnknownAddressOrSize; 1054f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = symb->st_size; 1055f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1056f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1057f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 10584d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 10594d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1060f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolNMTypeChar(DataRefImpl Symb, 1061f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky char &Result) const { 1062f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1063f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1064f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *Section = getSection(symb); 1065f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1066f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky char ret = '?'; 1067f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1068f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Section) { 1069f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (Section->sh_type) { 1070f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_PROGBITS: 1071f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_DYNAMIC: 1072f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (Section->sh_flags) { 1073f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case (ELF::SHF_ALLOC | ELF::SHF_EXECINSTR): 1074f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 't'; break; 1075f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case (ELF::SHF_ALLOC | ELF::SHF_WRITE): 1076f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'd'; break; 1077f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHF_ALLOC: 1078f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case (ELF::SHF_ALLOC | ELF::SHF_MERGE): 1079f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case (ELF::SHF_ALLOC | ELF::SHF_MERGE | ELF::SHF_STRINGS): 1080f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'r'; break; 1081f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1082f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1083f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_NOBITS: ret = 'b'; 1084f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1085f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1086f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1087f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (getSymbolTableIndex(symb)) { 1088f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_UNDEF: 1089f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (ret == '?') 1090f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'U'; 1091f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1092f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_ABS: ret = 'a'; break; 1093f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHN_COMMON: ret = 'c'; break; 1094f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1095f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1096f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (symb->getBinding()) { 1097f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STB_GLOBAL: ret = ::toupper(ret); break; 1098f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STB_WEAK: 1099f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (getSymbolTableIndex(symb) == ELF::SHN_UNDEF) 1100f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'w'; 1101f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1102f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->getType() == ELF::STT_OBJECT) 1103f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'V'; 1104f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1105f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret = 'W'; 1106f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1107f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1108f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (ret == '?' && symb->getType() == ELF::STT_SECTION) { 1109f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef name; 1110f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (error_code ec = getSymbolName(Symb, name)) 1111f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return ec; 1112f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = StringSwitch<char>(name) 1113f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky .StartsWith(".debug", 'N') 1114f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky .StartsWith(".note", 'n') 1115f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky .Default('?'); 1116f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1117f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1118f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1119f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = ret; 1120f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1121f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1122f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 11234d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 11244d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1125f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolType(DataRefImpl Symb, 1126f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolRef::Type &Result) const { 1127f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1128f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1129f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1130f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (symb->getType()) { 11312c67727046234ad9702ab5acb72700b5ac99a676David Meyer case ELF::STT_NOTYPE: 11322c67727046234ad9702ab5acb72700b5ac99a676David Meyer Result = SymbolRef::ST_Unknown; 11332c67727046234ad9702ab5acb72700b5ac99a676David Meyer break; 1134f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_SECTION: 1135f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_Debug; 1136f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1137f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_FILE: 1138f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_File; 1139f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1140f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_FUNC: 1141f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_Function; 1142f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1143f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::STT_OBJECT: 11442c67727046234ad9702ab5acb72700b5ac99a676David Meyer case ELF::STT_COMMON: 11452c67727046234ad9702ab5acb72700b5ac99a676David Meyer case ELF::STT_TLS: 1146f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_Data; 1147f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1148f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1149f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef::ST_Other; 1150f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1151f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1152f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1153f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1154f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 11554d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 11564d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1157c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer ::getSymbolFlags(DataRefImpl Symb, 1158c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer uint32_t &Result) const { 1159f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1160f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1161f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1162c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result = SymbolRef::SF_None; 1163f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1164c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer if (symb->getBinding() != ELF::STB_LOCAL) 1165c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result |= SymbolRef::SF_Global; 1166f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1167c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer if (symb->getBinding() == ELF::STB_WEAK) 1168c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result |= SymbolRef::SF_Weak; 1169c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer 1170c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer if (symb->st_shndx == ELF::SHN_ABS) 1171c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result |= SymbolRef::SF_Absolute; 1172c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer 1173c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer if (symb->getType() == ELF::STT_FILE || 1174c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer symb->getType() == ELF::STT_SECTION) 1175c46255a32ec92c427e621b6d7eabd887962ce4a4David Meyer Result |= SymbolRef::SF_FormatSpecific; 1176f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 11772c67727046234ad9702ab5acb72700b5ac99a676David Meyer if (getSymbolTableIndex(symb) == ELF::SHN_UNDEF) 11782c67727046234ad9702ab5acb72700b5ac99a676David Meyer Result |= SymbolRef::SF_Undefined; 11792c67727046234ad9702ab5acb72700b5ac99a676David Meyer 11802c67727046234ad9702ab5acb72700b5ac99a676David Meyer if (symb->getType() == ELF::STT_COMMON || 11812c67727046234ad9702ab5acb72700b5ac99a676David Meyer getSymbolTableIndex(symb) == ELF::SHN_COMMON) 11822c67727046234ad9702ab5acb72700b5ac99a676David Meyer Result |= SymbolRef::SF_Common; 11832c67727046234ad9702ab5acb72700b5ac99a676David Meyer 11842c67727046234ad9702ab5acb72700b5ac99a676David Meyer if (symb->getType() == ELF::STT_TLS) 11852c67727046234ad9702ab5acb72700b5ac99a676David Meyer Result |= SymbolRef::SF_ThreadLocal; 11862c67727046234ad9702ab5acb72700b5ac99a676David Meyer 1187f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1188f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1189f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 11904d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 11914d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1192f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSymbolSection(DataRefImpl Symb, 1193f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky section_iterator &Res) const { 1194f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky validateSymbol(Symb); 1195f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getSymbol(Symb); 1196f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(symb); 1197f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (!sec) 1198f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Res = end_sections(); 1199f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else { 1200f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl Sec; 1201f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Sec.p = reinterpret_cast<intptr_t>(sec); 1202f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Res = section_iterator(SectionRef(Sec, this)); 1203f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1204f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1205f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1206f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 12074d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 12084d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1209a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover ::getSymbolValue(DataRefImpl Symb, 1210a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover uint64_t &Val) const { 1211a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover validateSymbol(Symb); 1212a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover const Elf_Sym *symb = getSymbol(Symb); 1213a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover Val = symb->st_value; 1214a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover return object_error::success; 1215a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover} 1216a41dce3c642e50775352cce49e3a3d0cd004d393Tim Northover 12174d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 12184d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1219f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionNext(DataRefImpl Sec, SectionRef &Result) const { 1220f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const uint8_t *sec = reinterpret_cast<const uint8_t *>(Sec.p); 1221f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky sec += Header->e_shentsize; 1222f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Sec.p = reinterpret_cast<intptr_t>(sec); 1223f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SectionRef(Sec, this); 1224f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1225f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1226f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 12274d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 12284d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1229f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionName(DataRefImpl Sec, 1230f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef &Result) const { 1231f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1232f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = StringRef(getString(dot_shstrtab_sec, sec->sh_name)); 1233f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1234f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1235f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 12364d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 12374d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1238f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionAddress(DataRefImpl Sec, 1239f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1240f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1241f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = sec->sh_addr; 1242f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1243f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1244f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 12454d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 12464d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1247f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionSize(DataRefImpl Sec, 1248f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1249f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1250f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = sec->sh_size; 1251f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1252f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1253f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 12544d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 12554d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1256f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionContents(DataRefImpl Sec, 1257f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef &Result) const { 1258f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1259f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const char *start = (const char*)base() + sec->sh_offset; 1260f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = StringRef(start, sec->sh_size); 1261f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1262f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1263f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 12644d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 12654d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 12669dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta ::getSectionContents(const Elf_Shdr *Sec, 12679dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Result) const { 12689dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta const char *start = (const char*)base() + Sec->sh_offset; 12699dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta Result = StringRef(start, Sec->sh_size); 12709dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta return object_error::success; 12719dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta} 12729dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta 12734d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 12744d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1275f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionAlignment(DataRefImpl Sec, 1276f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1277f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1278f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = sec->sh_addralign; 1279f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1280f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1281f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 12824d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 12834d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1284f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::isSectionText(DataRefImpl Sec, 1285f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool &Result) const { 1286f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1287f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec->sh_flags & ELF::SHF_EXECINSTR) 1288f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = true; 1289f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1290f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = false; 1291f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1292f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1293f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 12944d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 12954d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1296f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::isSectionData(DataRefImpl Sec, 1297f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool &Result) const { 1298f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1299f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE) 1300f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && sec->sh_type == ELF::SHT_PROGBITS) 1301f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = true; 1302f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 1303f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = false; 1304f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1305f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1306f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 13074d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 13084d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1309f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::isSectionBSS(DataRefImpl Sec, 1310f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool &Result) const { 1311f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1312f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE) 1313f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky && sec->sh_type == ELF::SHT_NOBITS) 1314c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = true; 1315c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd else 1316c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = false; 1317c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd return object_error::success; 1318c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd} 1319c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd 13204d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 13214d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1322c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd ::isSectionRequiredForExecution(DataRefImpl Sec, 1323c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd bool &Result) const { 1324c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1325c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd if (sec->sh_flags & ELF::SHF_ALLOC) 1326c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = true; 1327c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd else 1328c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = false; 1329c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd return object_error::success; 1330c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd} 1331c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd 13324d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 13334d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1334c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd ::isSectionVirtual(DataRefImpl Sec, 1335c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd bool &Result) const { 1336c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1337c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd if (sec->sh_type == ELF::SHT_NOBITS) 1338c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = true; 1339c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd else 1340c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd Result = false; 1341c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd return object_error::success; 1342c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd} 1343c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd 13444d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 13454d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 13463a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor ::isSectionZeroInit(DataRefImpl Sec, 1347c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd bool &Result) const { 1348c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1349c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd // For ELF, all zero-init sections are virtual (that is, they occupy no space 1350c68dda815e64fb2fb463318d1eaa304e22199d50Preston Gurd // in the object image) and vice versa. 13515b712efd9a4d29119ce136d46a23454bdc103f68Rafael Espindola Result = sec->sh_type == ELF::SHT_NOBITS; 1352f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1353f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1354f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 13554d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 13564d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 13573a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor ::isSectionReadOnlyData(DataRefImpl Sec, 13583a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor bool &Result) const { 13593a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 13603a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor if (sec->sh_flags & ELF::SHF_WRITE || sec->sh_flags & ELF::SHF_EXECINSTR) 13613a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor Result = false; 13623a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor else 13633a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor Result = true; 13643a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor return object_error::success; 13653a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor} 13663a129c85920404e7ccdb7e655c89fa60a0309cfdAndrew Kaylor 13674d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 13684d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1369f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::sectionContainsSymbol(DataRefImpl Sec, 1370f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl Symb, 1371f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky bool &Result) const { 1372f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Unimplemented. 1373f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = false; 1374f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1375f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1376f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 13774d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 13784d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerrelocation_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits> 1379f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionRelBegin(DataRefImpl Sec) const { 1380f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl RelData; 1381f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1382f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typename RelocMap_t::const_iterator ittr = SectionRelocMap.find(sec); 1383f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec != 0 && ittr != SectionRelocMap.end()) { 1384f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.a = getSection(ittr->second[0])->sh_info; 1385f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.b = ittr->second[0]; 1386f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.c = 0; 1387f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1388f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return relocation_iterator(RelocationRef(RelData, this)); 1389f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1390f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 13914d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 13924d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerrelocation_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits> 1393f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getSectionRelEnd(DataRefImpl Sec) const { 1394f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl RelData; 1395f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p); 1396f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typename RelocMap_t::const_iterator ittr = SectionRelocMap.find(sec); 1397f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec != 0 && ittr != SectionRelocMap.end()) { 1398f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Get the index of the last relocation section for this section. 1399f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky std::size_t relocsecindex = ittr->second[ittr->second.size() - 1]; 1400f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *relocsec = getSection(relocsecindex); 1401f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.a = relocsec->sh_info; 1402f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.b = relocsecindex; 1403f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelData.w.c = relocsec->sh_size / relocsec->sh_entsize; 1404f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1405f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return relocation_iterator(RelocationRef(RelData, this)); 1406f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1407f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1408f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky// Relocations 14094d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 14104d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1411f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationNext(DataRefImpl Rel, 1412f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky RelocationRef &Result) const { 1413f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++Rel.w.c; 1414f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *relocsec = getSection(Rel.w.b); 1415f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Rel.w.c >= (relocsec->sh_size / relocsec->sh_entsize)) { 1416f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // We have reached the end of the relocations for this section. See if there 1417f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // is another relocation section. 1418f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typename RelocMap_t::mapped_type relocseclist = 1419f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SectionRelocMap.lookup(getSection(Rel.w.a)); 1420f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1421f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Do a binary search for the current reloc section index (which must be 1422f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // present). Then get the next one. 1423f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky typename RelocMap_t::mapped_type::const_iterator loc = 1424f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky std::lower_bound(relocseclist.begin(), relocseclist.end(), Rel.w.b); 1425f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++loc; 1426f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1427f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // If there is no next one, don't do anything. The ++Rel.w.c above sets Rel 1428f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // to the end iterator. 1429f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (loc != relocseclist.end()) { 1430f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Rel.w.b = *loc; 1431f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Rel.w.a = 0; 1432f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1433f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1434f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = RelocationRef(Rel, this); 1435f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1436f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1437f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 14384d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 14394d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1440f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationSymbol(DataRefImpl Rel, 1441f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolRef &Result) const { 1442f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint32_t symbolIdx; 1443f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1444f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1445f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1446f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1447f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1448f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky symbolIdx = getRel(Rel)->getSymbol(); 1449f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1450f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1451f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1452f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky symbolIdx = getRela(Rel)->getSymbol(); 1453f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1454f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1455f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1456f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl SymbolData; 1457f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky IndexMap_t::const_iterator it = SymbolTableSectionsIndexMap.find(sec->sh_link); 1458f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (it == SymbolTableSectionsIndexMap.end()) 1459f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Relocation symbol table not found!"); 1460f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.a = symbolIdx; 1461f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.b = it->second; 1462f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = SymbolRef(SymbolData, this); 1463f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1464f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1465f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 14664d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 14674d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1468f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationAddress(DataRefImpl Rel, 1469f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1470f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t offset; 1471f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1472f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1473f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1474f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1475f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1476f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky offset = getRel(Rel)->r_offset; 1477f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1478f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1479f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1480f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky offset = getRela(Rel)->r_offset; 1481f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1482f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1483f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1484f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1485f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = offset; 1486f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1487f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1488f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 14894d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 14904d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1491f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationOffset(DataRefImpl Rel, 1492f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1493f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t offset; 1494f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1495f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1496f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1497f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1498f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1499f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky offset = getRel(Rel)->r_offset; 1500f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1501f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1502f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1503f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky offset = getRela(Rel)->r_offset; 1504f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1505f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1506f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1507f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1508f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = offset - sec->sh_addr; 1509f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1510f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1511f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 15124d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 15134d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1514f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationType(DataRefImpl Rel, 1515f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint64_t &Result) const { 1516f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1517f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1518f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1519f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1520f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1521f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = getRel(Rel)->getType(); 1522f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1523f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1524f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1525f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = getRela(Rel)->getType(); 1526f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1527f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1528f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1529f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1530f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1531f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1532f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#define LLVM_ELF_SWITCH_RELOC_TYPE_NAME(enum) \ 1533f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::enum: res = #enum; break; 1534f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 15354d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 15364d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1537f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationTypeName(DataRefImpl Rel, 1538f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SmallVectorImpl<char> &Result) const { 1539f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1540f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint8_t type; 1541f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef res; 1542f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1543f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1544f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::parse_failed; 1545f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1546f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky type = getRel(Rel)->getType(); 1547f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1548f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1549f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1550f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky type = getRela(Rel)->getType(); 1551f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1552f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1553f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1554f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (Header->e_machine) { 1555f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 1556f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (type) { 1557f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_NONE); 1558f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_64); 1559f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC32); 1560f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOT32); 1561f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PLT32); 1562f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_COPY); 1563f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GLOB_DAT); 1564f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_JUMP_SLOT); 1565f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_RELATIVE); 1566f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPCREL); 1567f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_32); 1568f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_32S); 1569f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_16); 1570f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC16); 1571f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_8); 1572f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC8); 1573f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_DTPMOD64); 1574f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_DTPOFF64); 1575f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TPOFF64); 1576f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSGD); 1577f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSLD); 1578f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_DTPOFF32); 1579f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTTPOFF); 1580f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TPOFF32); 1581f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC64); 1582f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTOFF64); 1583f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPC32); 1584f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_SIZE32); 1585f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_SIZE64); 1586f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPC32_TLSDESC); 1587f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSDESC_CALL); 1588f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSDESC); 1589f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1590f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1591f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1592f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1593f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_386: 1594f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (type) { 1595f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_NONE); 1596f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_32); 1597f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC32); 1598f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GOT32); 1599f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PLT32); 1600f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_COPY); 1601f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GLOB_DAT); 1602f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_JUMP_SLOT); 1603f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_RELATIVE); 1604f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GOTOFF); 1605f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GOTPC); 1606f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_32PLT); 1607f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_TPOFF); 1608f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_IE); 1609f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GOTIE); 1610f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LE); 1611f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD); 1612f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM); 1613f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_16); 1614f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC16); 1615f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_8); 1616f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC8); 1617f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_32); 1618f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_PUSH); 1619f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_CALL); 1620f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_POP); 1621f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_32); 1622f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_PUSH); 1623f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_CALL); 1624f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_POP); 1625f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDO_32); 1626f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_IE_32); 1627f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LE_32); 1628f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DTPMOD32); 1629f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DTPOFF32); 1630f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_TPOFF32); 1631f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GOTDESC); 1632f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DESC_CALL); 1633f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DESC); 1634f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_IRELATIVE); 1635f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1636f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1637f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1638f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 16394b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien case ELF::EM_ARM: 16404b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien switch (type) { 16414b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_NONE); 16424b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PC24); 16434b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS32); 16444b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_REL32); 16454b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G0); 16464b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS16); 16474b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS12); 16484b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_ABS5); 16494b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS8); 16504b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_SBREL32); 16514b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_CALL); 16524b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_PC8); 16534b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BREL_ADJ); 16544b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DESC); 16554b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_SWI8); 16564b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_XPC25); 16574b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_XPC22); 16584b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DTPMOD32); 16594b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DTPOFF32); 16604b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_TPOFF32); 16614b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_COPY); 16624b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GLOB_DAT); 16634b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_JUMP_SLOT); 16644b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_RELATIVE); 16654b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTOFF32); 16664b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BASE_PREL); 16674b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_BREL); 16684b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PLT32); 16694b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_CALL); 16704b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_JUMP24); 16714b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP24); 16724b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BASE_ABS); 16734b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_7_0); 16744b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_15_8); 16754b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_23_15); 16764b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SBREL_11_0_NC); 16774b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SBREL_19_12_NC); 16784b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SBREL_27_20_CK); 16794b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TARGET1); 16804b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_SBREL31); 16814b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_V4BX); 16824b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TARGET2); 16834b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PREL31); 16844b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_ABS_NC); 16854b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_ABS); 16864b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_PREL_NC); 16874b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_PREL); 16884b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_ABS_NC); 16894b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_ABS); 16904b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_PREL_NC); 16914b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_PREL); 16924b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP19); 16934b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP6); 16944b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_ALU_PREL_11_0); 16954b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_PC12); 16964b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS32_NOI); 16974b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_REL32_NOI); 16984b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G0_NC); 16994b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G0); 17004b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G1_NC); 17014b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G1); 17024b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G2); 17034b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G1); 17044b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G2); 17054b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G0); 17064b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G1); 17074b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G2); 17084b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G0); 17094b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G1); 17104b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G2); 17114b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G0_NC); 17124b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G0); 17134b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G1_NC); 17144b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G1); 17154b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G2); 17164b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G0); 17174b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G1); 17184b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G2); 17194b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G0); 17204b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G1); 17214b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G2); 17224b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G0); 17234b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G1); 17244b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G2); 17254b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_BREL_NC); 17264b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_BREL); 17274b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_BREL); 17284b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_BREL_NC); 17294b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_BREL); 17304b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_BREL); 17314b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_GOTDESC); 17324b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_CALL); 17334b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DESCSEQ); 17344b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_CALL); 17354b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PLT32_ABS); 17364b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_ABS); 17374b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_PREL); 17384b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_BREL12); 17394b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTOFF12); 17404b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTRELAX); 17414b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GNU_VTENTRY); 17424b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GNU_VTINHERIT); 17434b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP11); 17444b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP8); 17454b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_GD32); 17464b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDM32); 17474b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDO32); 17484b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_IE32); 17494b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LE32); 17504b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDO12); 17514b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LE12); 17524b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_IE12GP); 17534b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_0); 17544b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_1); 17554b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_2); 17564b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_3); 17574b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_4); 17584b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_5); 17594b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_6); 17604b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_7); 17614b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_8); 17624b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_9); 17634b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_10); 17644b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_11); 17654b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_12); 17664b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_13); 17674b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_14); 17684b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_15); 17694b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ME_TOO); 17704b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_DESCSEQ16); 17714b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_DESCSEQ32); 17724b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien default: 17734b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien res = "Unknown"; 17744b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien } 17754b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien break; 177650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow case ELF::EM_HEXAGON: 177750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow switch (type) { 177850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_NONE); 177950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL); 178050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL); 178150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B7_PCREL); 178250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_LO16); 178350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_HI16); 178450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32); 178550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_16); 178650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_8); 178750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_0); 178850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_1); 178950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_2); 179050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_3); 179150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_HL16); 179250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B13_PCREL); 179350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B9_PCREL); 179450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B32_PCREL_X); 179550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32_6_X); 179650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL_X); 179750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL_X); 179850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B13_PCREL_X); 179950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B9_PCREL_X); 180050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B7_PCREL_X); 180150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_16_X); 180250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_12_X); 180350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_11_X); 180450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_10_X); 180550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_9_X); 180650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_8_X); 180750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_7_X); 180850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_6_X); 180950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32_PCREL); 181050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_COPY); 181150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GLOB_DAT); 181250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_JMP_SLOT); 181350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_RELATIVE); 181450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_PLT_B22_PCREL); 181550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_LO16); 181650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_HI16); 181750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_32); 181850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_LO16); 181950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_HI16); 182050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_32); 182150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_16); 182250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPMOD_32); 182350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_LO16); 182450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_HI16); 182550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_32); 182650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_16); 182750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_PLT_B22_PCREL); 182850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_LO16); 182950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_HI16); 183050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_32); 183150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_16); 183250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_LO16); 183350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_HI16); 183450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_32); 183550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_LO16); 183650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_HI16); 183750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_32); 183850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_16); 183950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_LO16); 184050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_HI16); 184150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32); 184250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16); 184350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_6_PCREL_X); 184450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_32_6_X); 184550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_16_X); 184650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_11_X); 184750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_32_6_X); 184850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_16_X); 184950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_11_X); 185050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_32_6_X); 185150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_16_X); 185250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_11_X); 185350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_32_6_X); 185450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_16_X); 185550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_11_X); 185650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_32_6_X); 185750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_16_X); 185850b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_32_6_X); 185950b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_16_X); 186050b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_11_X); 186150b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32_6_X); 186250b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16_X); 186350b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_11_X); 186450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow default: 186550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow res = "Unknown"; 186650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow } 186750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow break; 1868f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1869f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1870f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1871f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result.append(res.begin(), res.end()); 1872f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1873f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1874f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1875f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#undef LLVM_ELF_SWITCH_RELOC_TYPE_NAME 1876f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 18774d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 18784d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1879f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationAdditionalInfo(DataRefImpl Rel, 1880f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky int64_t &Result) const { 1881f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1882f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1883f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default : 1884f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section type in Rel!"); 1885f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_REL : { 1886f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = 0; 1887f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1888f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1889f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::SHT_RELA : { 1890f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = getRela(Rel)->r_addend; 1891f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1892f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1893f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1894f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1895f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 18964d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 18974d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 1898f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getRelocationValueString(DataRefImpl Rel, 1899f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SmallVectorImpl<char> &Result) const { 1900f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Rel.w.b); 1901f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint8_t type; 1902f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef res; 1903f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky int64_t addend = 0; 1904f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky uint16_t symbol_index = 0; 1905f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (sec->sh_type) { 1906033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky default: 1907f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::parse_failed; 1908033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::SHT_REL: { 1909f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky type = getRel(Rel)->getType(); 1910f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky symbol_index = getRel(Rel)->getSymbol(); 1911f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // TODO: Read implicit addend from section data. 1912f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1913f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1914033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::SHT_RELA: { 1915f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky type = getRela(Rel)->getType(); 1916f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky symbol_index = getRela(Rel)->getSymbol(); 1917f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky addend = getRela(Rel)->r_addend; 1918f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1919f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1920f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1921f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Sym *symb = getEntry<Elf_Sym>(sec->sh_link, symbol_index); 1922f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef symname; 1923dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (error_code ec = getSymbolName(getSection(sec->sh_link), symb, symname)) 1924f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return ec; 1925f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (Header->e_machine) { 1926f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 1927f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch (type) { 1928033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_PC8: 1929033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_PC16: 1930f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::R_X86_64_PC32: { 1931f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky std::string fmtbuf; 1932f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky raw_string_ostream fmt(fmtbuf); 1933f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky fmt << symname << (addend < 0 ? "" : "+") << addend << "-P"; 1934f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky fmt.flush(); 1935f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result.append(fmtbuf.begin(), fmtbuf.end()); 1936f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1937033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky break; 1938033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_8: 1939033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_16: 1940033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_32: 1941033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_32S: 1942033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky case ELF::R_X86_64_64: { 1943033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky std::string fmtbuf; 1944033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky raw_string_ostream fmt(fmtbuf); 1945033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky fmt << symname << (addend < 0 ? "" : "+") << addend; 1946033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky fmt.flush(); 1947033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky Result.append(fmtbuf.begin(), fmtbuf.end()); 1948033d182589aa46719a47f38fc7021e41aa5b6d43Nick Lewycky } 1949f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 1950f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1951f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1952f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1953f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky break; 19544b6fbf25600a94dc41ba96b174045e50b85862cfLogan Chien case ELF::EM_ARM: 195550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow case ELF::EM_HEXAGON: 195650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow res = symname; 195750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow break; 1958f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 1959f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky res = "Unknown"; 1960f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 1961f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Result.empty()) 1962f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result.append(res.begin(), res.end()); 1963f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 1964f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 1965f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1966dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer// Verify that the last byte in the string table in a null. 19674d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 19684d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencervoid ELFObjectFile<target_endianness, max_alignment, is64Bits> 1969dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer ::VerifyStrTab(const Elf_Shdr *sh) const { 1970dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer const char *strtab = (const char*)base() + sh->sh_offset; 1971dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (strtab[sh->sh_size - 1] != 0) 1972dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // FIXME: Proper error handling. 1973dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer report_fatal_error("String table must end with a null terminator!"); 1974dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer} 1975dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 19764d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 19774d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 19784d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::ELFObjectFile(MemoryBuffer *Object, error_code &ec) 19796f9489a86f33624f9ff5388411d12359ce9cef20David Meyer : ObjectFile(getELFType(target_endianness == support::little, is64Bits), 19806f9489a86f33624f9ff5388411d12359ce9cef20David Meyer Object, ec) 1981f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky , isDyldELFObject(false) 1982f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky , SectionHeaderTable(0) 1983f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky , dot_shstrtab_sec(0) 1984dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer , dot_strtab_sec(0) 19855c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer , dot_dynstr_sec(0) 198697f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer , dot_dynamic_sec(0) 19872d70e263c2b508bf4641273dd89a23149f6f6164David Meyer , dot_gnu_version_sec(0) 19882d70e263c2b508bf4641273dd89a23149f6f6164David Meyer , dot_gnu_version_r_sec(0) 19892d70e263c2b508bf4641273dd89a23149f6f6164David Meyer , dot_gnu_version_d_sec(0) 19902d70e263c2b508bf4641273dd89a23149f6f6164David Meyer , dt_soname(0) 19912d70e263c2b508bf4641273dd89a23149f6f6164David Meyer { 1992f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1993f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const uint64_t FileSize = Data->getBufferSize(); 1994f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1995f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sizeof(Elf_Ehdr) > FileSize) 1996f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 1997f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("File too short!"); 1998f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 1999f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Header = reinterpret_cast<const Elf_Ehdr *>(base()); 2000f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2001f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shoff == 0) 2002f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return; 2003f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2004f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const uint64_t SectionTableOffset = Header->e_shoff; 2005f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2006f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SectionTableOffset + sizeof(Elf_Shdr) > FileSize) 2007f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2008f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Section header table goes past end of file!"); 2009f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2010f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // The getNumSections() call below depends on SectionHeaderTable being set. 2011f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SectionHeaderTable = 2012f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky reinterpret_cast<const Elf_Shdr *>(base() + SectionTableOffset); 2013f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const uint64_t SectionTableSize = getNumSections() * Header->e_shentsize; 2014f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2015f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SectionTableOffset + SectionTableSize > FileSize) 2016f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2017f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Section table goes past end of file!"); 2018f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2019f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // To find the symbol tables we walk the section table to find SHT_SYMTAB. 2020f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr* SymbolTableSectionHeaderIndex = 0; 2021f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr* sh = SectionHeaderTable; 2022dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 2023dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // Reserve SymbolTableSections[0] for .dynsym 2024dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolTableSections.push_back(NULL); 2025dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 2026f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky for (uint64_t i = 0, e = getNumSections(); i != e; ++i) { 20272d70e263c2b508bf4641273dd89a23149f6f6164David Meyer switch (sh->sh_type) { 20282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_SYMTAB_SHNDX: { 2029f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SymbolTableSectionHeaderIndex) 2030f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2031f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("More than one .symtab_shndx!"); 2032f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolTableSectionHeaderIndex = sh; 20332d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 2034f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 20352d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_SYMTAB: { 2036f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolTableSectionsIndexMap[i] = SymbolTableSections.size(); 2037f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolTableSections.push_back(sh); 20382d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 2039f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 20402d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_DYNSYM: { 2041dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (SymbolTableSections[0] != NULL) 2042dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // FIXME: Proper error handling. 2043dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer report_fatal_error("More than one .dynsym!"); 2044dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolTableSectionsIndexMap[i] = 0; 2045dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolTableSections[0] = sh; 20462d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 2047dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } 20482d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_REL: 20492d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_RELA: { 2050f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SectionRelocMap[getSection(sh->sh_info)].push_back(i); 20512d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 2052f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 20532d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_DYNAMIC: { 20545c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (dot_dynamic_sec != NULL) 20555c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // FIXME: Proper error handling. 20565c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("More than one .dynamic!"); 20575c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dot_dynamic_sec = sh; 20582d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 20592d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 20602d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_GNU_versym: { 20612d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_sec != NULL) 20622d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // FIXME: Proper error handling. 20632d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("More than one .gnu.version section!"); 20642d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dot_gnu_version_sec = sh; 20652d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 20662d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 20672d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_GNU_verdef: { 20682d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_d_sec != NULL) 20692d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // FIXME: Proper error handling. 20702d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("More than one .gnu.version_d section!"); 20712d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dot_gnu_version_d_sec = sh; 20722d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 20732d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 20742d70e263c2b508bf4641273dd89a23149f6f6164David Meyer case ELF::SHT_GNU_verneed: { 20752d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_r_sec != NULL) 20762d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // FIXME: Proper error handling. 20772d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("More than one .gnu.version_r section!"); 20782d70e263c2b508bf4641273dd89a23149f6f6164David Meyer dot_gnu_version_r_sec = sh; 20792d70e263c2b508bf4641273dd89a23149f6f6164David Meyer break; 20802d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 20815c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 2082f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++sh; 2083f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2084f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2085f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Sort section relocation lists by index. 2086f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky for (typename RelocMap_t::iterator i = SectionRelocMap.begin(), 2087f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky e = SectionRelocMap.end(); i != e; ++i) { 2088f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky std::sort(i->second.begin(), i->second.end()); 2089f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2090f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2091f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Get string table sections. 2092f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky dot_shstrtab_sec = getSection(getStringTableIndex()); 2093f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (dot_shstrtab_sec) { 2094f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Verify that the last byte in the string table in a null. 2095dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer VerifyStrTab(dot_shstrtab_sec); 2096f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2097f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2098f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Merge this into the above loop. 2099f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky for (const char *i = reinterpret_cast<const char *>(SectionHeaderTable), 2100f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky *e = i + getNumSections() * Header->e_shentsize; 2101f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky i != e; i += Header->e_shentsize) { 2102f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sh = reinterpret_cast<const Elf_Shdr*>(i); 2103f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sh->sh_type == ELF::SHT_STRTAB) { 2104f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef SectionName(getString(dot_shstrtab_sec, sh->sh_name)); 2105f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SectionName == ".strtab") { 2106f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (dot_strtab_sec != 0) 2107f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2108f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Already found section named .strtab!"); 2109f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky dot_strtab_sec = sh; 2110dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer VerifyStrTab(dot_strtab_sec); 2111dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } else if (SectionName == ".dynstr") { 2112dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (dot_dynstr_sec != 0) 2113dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // FIXME: Proper error handling. 2114dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer report_fatal_error("Already found section named .dynstr!"); 2115dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer dot_dynstr_sec = sh; 2116dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer VerifyStrTab(dot_dynstr_sec); 2117f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2118f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2119f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2120f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2121f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // Build symbol name side-mapping if there is one. 2122f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (SymbolTableSectionHeaderIndex) { 2123f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Word *ShndxTable = reinterpret_cast<const Elf_Word*>(base() + 2124f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolTableSectionHeaderIndex->sh_offset); 2125f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky error_code ec; 2126f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky for (symbol_iterator si = begin_symbols(), 2127f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky se = end_symbols(); si != se; si.increment(ec)) { 2128f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (ec) 2129f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Fewer extended symbol table entries than symbols!"); 2130f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (*ShndxTable != ELF::SHN_UNDEF) 2131f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ExtendedSymbolTable[getSymbol(si->getRawDataRefImpl())] = *ShndxTable; 2132f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ++ShndxTable; 2133f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2134f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2135f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2136f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2137f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran// Get the symbol table index in the symtab section given a symbol 21384d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 21394d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spenceruint64_t ELFObjectFile<target_endianness, max_alignment, is64Bits> 2140f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran ::getSymbolIndex(const Elf_Sym *Sym) const { 2141f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran assert(SymbolTableSections.size() == 1 && "Only one symbol table supported!"); 2142f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran const Elf_Shdr *SymTab = *SymbolTableSections.begin(); 2143f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran uintptr_t SymLoc = uintptr_t(Sym); 2144f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran uintptr_t SymTabLoc = uintptr_t(base() + SymTab->sh_offset); 2145f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran assert(SymLoc > SymTabLoc && "Symbol not in symbol table!"); 2146f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran uint64_t SymOffset = SymLoc - SymTabLoc; 2147f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran assert(SymOffset % SymTab->sh_entsize == 0 && 2148f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran "Symbol not multiple of symbol size!"); 2149f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran return SymOffset / SymTab->sh_entsize; 2150f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran} 2151f7414823871c7707a6af61c19e5f9ce3a4fa861cShankar Easwaran 21524d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 21534d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencersymbol_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits> 2154f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::begin_symbols() const { 2155f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl SymbolData; 2156dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (SymbolTableSections.size() <= 1) { 2157f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.a = std::numeric_limits<uint32_t>::max(); 2158f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.b = std::numeric_limits<uint32_t>::max(); 2159f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } else { 2160f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.a = 1; // The 0th symbol in ELF is fake. 2161dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.b = 1; // The 0th table is .dynsym 2162f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2163f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return symbol_iterator(SymbolRef(SymbolData, this)); 2164f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2165f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 21664d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 21674d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencersymbol_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits> 2168f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::end_symbols() const { 2169f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl SymbolData; 2170f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.a = std::numeric_limits<uint32_t>::max(); 2171f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky SymbolData.d.b = std::numeric_limits<uint32_t>::max(); 2172f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return symbol_iterator(SymbolRef(SymbolData, this)); 2173f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2174f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 21754d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 21764d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencersymbol_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits> 2177dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer ::begin_dynamic_symbols() const { 2178dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer DataRefImpl SymbolData; 2179dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (SymbolTableSections[0] == NULL) { 2180dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.a = std::numeric_limits<uint32_t>::max(); 2181dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.b = std::numeric_limits<uint32_t>::max(); 2182dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } else { 2183dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.a = 1; // The 0th symbol in ELF is fake. 2184dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.b = 0; // The 0th table is .dynsym 2185dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } 2186dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer return symbol_iterator(SymbolRef(SymbolData, this)); 2187dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer} 2188dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 21894d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 21904d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencersymbol_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits> 2191dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer ::end_dynamic_symbols() const { 2192dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer DataRefImpl SymbolData; 2193dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.a = std::numeric_limits<uint32_t>::max(); 2194dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer SymbolData.d.b = std::numeric_limits<uint32_t>::max(); 2195dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer return symbol_iterator(SymbolRef(SymbolData, this)); 2196dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer} 2197dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer 21984d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 21994d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencersection_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits> 2200f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::begin_sections() const { 2201f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl ret; 2202f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret.p = reinterpret_cast<intptr_t>(base() + Header->e_shoff); 2203f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return section_iterator(SectionRef(ret, this)); 2204f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2205f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 22064d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 22074d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencersection_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits> 2208f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::end_sections() const { 2209f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky DataRefImpl ret; 2210f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ret.p = reinterpret_cast<intptr_t>(base() 2211f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + Header->e_shoff 2212f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + (Header->e_shentsize*getNumSections())); 2213f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return section_iterator(SectionRef(ret, this)); 2214f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2215f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 22164d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 22174d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertypename ELFObjectFile<target_endianness, max_alignment, is64Bits>::dyn_iterator 22184d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 22194d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::begin_dynamic_table() const { 22205c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DataRefImpl DynData; 22215c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (dot_dynamic_sec == NULL || dot_dynamic_sec->sh_size == 0) { 22225c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DynData.d.a = std::numeric_limits<uint32_t>::max(); 22235c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } else { 22245c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DynData.d.a = 0; 22255c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 22265c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return dyn_iterator(DynRef(DynData, this)); 22275c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 22285c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22294d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 22304d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertypename ELFObjectFile<target_endianness, max_alignment, is64Bits>::dyn_iterator 22314d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 22325c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::end_dynamic_table() const { 22335c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DataRefImpl DynData; 22345c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DynData.d.a = std::numeric_limits<uint32_t>::max(); 22355c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return dyn_iterator(DynRef(DynData, this)); 22365c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 22375c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22384d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 22394d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 22405c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getDynNext(DataRefImpl DynData, 22415c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DynRef &Result) const { 22425c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ++DynData.d.a; 22435c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22445c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Check to see if we are at the end of .dynamic 22455c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (DynData.d.a >= dot_dynamic_sec->getEntityCount()) { 22465c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // We are at the end. Return the terminator. 22475c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer DynData.d.a = std::numeric_limits<uint32_t>::max(); 22485c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 22495c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22505c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Result = DynRef(DynData, this); 22515c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return object_error::success; 22525c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 22535c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22544d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 225597f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid MeyerStringRef 22564d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits>::getLoadName() const { 225797f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (!dt_soname) { 225897f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer // Find the DT_SONAME entry 225997f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer dyn_iterator it = begin_dynamic_table(); 226097f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer dyn_iterator ie = end_dynamic_table(); 226197f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer error_code ec; 226297f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer while (it != ie) { 226397f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (it->getTag() == ELF::DT_SONAME) 226497f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer break; 226597f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer it.increment(ec); 226697f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (ec) 226797f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer report_fatal_error("dynamic table iteration failed"); 226897f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer } 226997f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (it != ie) { 227097f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer if (dot_dynstr_sec == NULL) 227197f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer report_fatal_error("Dynamic string table is missing"); 227297f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer dt_soname = getString(dot_dynstr_sec, it->getVal()); 227397f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer } else { 227497f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer dt_soname = ""; 227597f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer } 227697f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer } 227797f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer return dt_soname; 227897f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer} 227997f7787bfb56ad31fe20ec0bb9c3c9f3253d14fbDavid Meyer 22804d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 22814d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerlibrary_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits> 22825c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::begin_libraries_needed() const { 22835c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Find the first DT_NEEDED entry 22845c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dyn_iterator i = begin_dynamic_table(); 22855c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dyn_iterator e = end_dynamic_table(); 22865c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer error_code ec; 22875c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer while (i != e) { 22885c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i->getTag() == ELF::DT_NEEDED) 22895c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer break; 22905c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer i.increment(ec); 22915c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (ec) 22925c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("dynamic table iteration failed"); 22935c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 22945c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Use the same DataRefImpl format as DynRef. 22955c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return library_iterator(LibraryRef(i->getRawDataRefImpl(), this)); 22965c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 22975c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 22984d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 22994d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 23005c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getLibraryNext(DataRefImpl Data, 23015c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer LibraryRef &Result) const { 23025c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Use the same DataRefImpl format as DynRef. 23035c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dyn_iterator i = dyn_iterator(DynRef(Data, this)); 23045c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dyn_iterator e = end_dynamic_table(); 23055c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 23065c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Skip the current dynamic table entry. 23075c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer error_code ec; 23085c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i != e) { 23095c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer i.increment(ec); 23105c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // TODO: proper error handling 23115c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (ec) 23125c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("dynamic table iteration failed"); 23135c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 23145c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 23155c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Find the next DT_NEEDED entry. 23165c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer while (i != e) { 23175c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i->getTag() == ELF::DT_NEEDED) 23185c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer break; 23195c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer i.increment(ec); 23205c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (ec) 23215c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("dynamic table iteration failed"); 23225c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer } 23235c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Result = LibraryRef(i->getRawDataRefImpl(), this); 23245c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return object_error::success; 23255c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 23265c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 23274d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 23284d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 23295c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getLibraryPath(DataRefImpl Data, StringRef &Res) const { 23305c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dyn_iterator i = dyn_iterator(DynRef(Data, this)); 23315c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i == end_dynamic_table()) 23325c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("getLibraryPath() called on iterator end"); 23335c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 23345c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (i->getTag() != ELF::DT_NEEDED) 23355c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("Invalid library_iterator"); 23365c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 23375c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // This uses .dynstr to lookup the name of the DT_NEEDED entry. 23385c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // THis works as long as DT_STRTAB == .dynstr. This is true most of 23395c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // the time, but the specification allows exceptions. 23405c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // TODO: This should really use DT_STRTAB instead. Doing this requires 23415c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // reading the program headers. 23425c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer if (dot_dynstr_sec == NULL) 23435c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer report_fatal_error("Dynamic string table is missing"); 23445c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer Res = getString(dot_dynstr_sec, i->getVal()); 23455c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return object_error::success; 23465c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 23475c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 23484d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 23494d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerlibrary_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits> 23505c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::end_libraries_needed() const { 23515c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer dyn_iterator e = end_dynamic_table(); 23525c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer // Use the same DataRefImpl format as DynRef. 23535c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return library_iterator(LibraryRef(e->getRawDataRefImpl(), this)); 23545c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 23555c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 23564d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 23574d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spenceruint8_t ELFObjectFile<target_endianness, max_alignment, is64Bits> 23584d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::getBytesInAddress() const { 2359f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return is64Bits ? 8 : 4; 2360f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2361f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 23624d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 23634d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerStringRef ELFObjectFile<target_endianness, max_alignment, is64Bits> 2364f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getFileFormatName() const { 2365f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch(Header->e_ident[ELF::EI_CLASS]) { 2366f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::ELFCLASS32: 2367f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch(Header->e_machine) { 2368f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_386: 2369f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF32-i386"; 2370f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 2371f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF32-x86-64"; 2372f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_ARM: 2373f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF32-arm"; 237450b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow case ELF::EM_HEXAGON: 237550b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow return "ELF32-hexagon"; 2376f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2377f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF32-unknown"; 2378f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2379f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::ELFCLASS64: 2380f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch(Header->e_machine) { 2381f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_386: 2382f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF64-i386"; 2383f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 2384f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF64-x86-64"; 2385a5e01b1314b48c364c092288c2aef95c29a79583Adhemerval Zanella case ELF::EM_PPC64: 2386a5e01b1314b48c364c092288c2aef95c29a79583Adhemerval Zanella return "ELF64-ppc64"; 2387f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2388f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return "ELF64-unknown"; 2389f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2390f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2391f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2392f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid ELFCLASS!"); 2393f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2394f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2395f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 23964d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 23974d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerunsigned ELFObjectFile<target_endianness, max_alignment, is64Bits> 23984d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::getArch() const { 2399f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky switch(Header->e_machine) { 2400f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_386: 2401f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Triple::x86; 2402f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_X86_64: 2403f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Triple::x86_64; 2404f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky case ELF::EM_ARM: 2405f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Triple::arm; 240650b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow case ELF::EM_HEXAGON: 240750b4c52633b0c933aabcd0741d1dae751ba339ddMarshall Clow return Triple::hexagon; 2408b889e0cd2fea4afee623d5be603b912b955a2ecaAkira Hatanaka case ELF::EM_MIPS: 2409b889e0cd2fea4afee623d5be603b912b955a2ecaAkira Hatanaka return (target_endianness == support::little) ? 2410b889e0cd2fea4afee623d5be603b912b955a2ecaAkira Hatanaka Triple::mipsel : Triple::mips; 2411a5e01b1314b48c364c092288c2aef95c29a79583Adhemerval Zanella case ELF::EM_PPC64: 2412a5e01b1314b48c364c092288c2aef95c29a79583Adhemerval Zanella return Triple::ppc64; 2413f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky default: 2414f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Triple::UnknownArch; 2415f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2416f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2417f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 24184d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 24194d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spenceruint64_t ELFObjectFile<target_endianness, max_alignment, is64Bits> 24204d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::getNumSections() const { 2421f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky assert(Header && "Header not initialized!"); 2422f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shnum == ELF::SHN_UNDEF) { 2423f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky assert(SectionHeaderTable && "SectionHeaderTable not initialized!"); 2424f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return SectionHeaderTable->sh_size; 2425f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2426f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Header->e_shnum; 2427f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2428f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 24294d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 2430f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyuint64_t 24314d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 24324d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::getStringTableIndex() const { 2433f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shnum == ELF::SHN_UNDEF) { 2434f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shstrndx == ELF::SHN_HIRESERVE) 2435f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return SectionHeaderTable->sh_link; 2436f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (Header->e_shstrndx >= getNumSections()) 2437f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return 0; 2438f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2439f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return Header->e_shstrndx; 2440f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2441f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 24424d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 2443f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<typename T> 2444f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyinline const T * 24454d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 24464d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::getEntry(uint16_t Section, uint32_t Entry) const { 2447f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getEntry<T>(getSection(Section), Entry); 2448f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2449f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 24504d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 2451f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskytemplate<typename T> 2452f4eff4baeb44f9dee988e9293d029dcaa359420dEli Benderskyinline const T * 24534d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 24544d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::getEntry(const Elf_Shdr * Section, uint32_t Entry) const { 2455f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return reinterpret_cast<const T *>( 2456f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky base() 2457f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + Section->sh_offset 2458f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + (Entry * Section->sh_entsize)); 2459f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2460f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 24614d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 24624d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerconst typename ELFObjectFile<target_endianness, max_alignment, is64Bits> 24634d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::Elf_Sym * 24644d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 24654d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::getSymbol(DataRefImpl Symb) const { 2466f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getEntry<Elf_Sym>(SymbolTableSections[Symb.d.b], Symb.d.a); 2467f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2468f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 24694d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 24704d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerconst typename ELFObjectFile<target_endianness, max_alignment, is64Bits> 24714d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::Elf_Dyn * 24724d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 24734d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::getDyn(DataRefImpl DynData) const { 24745c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return getEntry<Elf_Dyn>(dot_dynamic_sec, DynData.d.a); 24755c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 24765c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 24774d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 24784d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerconst typename ELFObjectFile<target_endianness, max_alignment, is64Bits> 24794d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::Elf_Rel * 24804d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 24814d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::getRel(DataRefImpl Rel) const { 2482f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getEntry<Elf_Rel>(Rel.w.b, Rel.w.c); 2483f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2484f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 24854d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 24864d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerconst typename ELFObjectFile<target_endianness, max_alignment, is64Bits> 24874d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::Elf_Rela * 24884d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 24894d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::getRela(DataRefImpl Rela) const { 2490f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getEntry<Elf_Rela>(Rela.w.b, Rela.w.c); 2491f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2492f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 24934d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 24944d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerconst typename ELFObjectFile<target_endianness, max_alignment, is64Bits> 24954d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::Elf_Shdr * 24964d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 24974d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::getSection(DataRefImpl Symb) const { 2498f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *sec = getSection(Symb.d.b); 2499f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (sec->sh_type != ELF::SHT_SYMTAB || sec->sh_type != ELF::SHT_DYNSYM) 2500f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2501f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid symbol table section!"); 2502f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return sec; 2503f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2504f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 25054d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 25064d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerconst typename ELFObjectFile<target_endianness, max_alignment, is64Bits> 25074d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::Elf_Shdr * 25084d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. SpencerELFObjectFile<target_endianness, max_alignment, is64Bits> 25094d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer ::getSection(uint32_t index) const { 2510f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (index == 0) 2511f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return 0; 2512f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (!SectionHeaderTable || index >= getNumSections()) 2513f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2514f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Invalid section index!"); 2515f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2516f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return reinterpret_cast<const Elf_Shdr *>( 2517f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky reinterpret_cast<const char *>(SectionHeaderTable) 2518f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky + (index * Header->e_shentsize)); 2519f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2520f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 25214d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 25224d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerconst char *ELFObjectFile<target_endianness, max_alignment, is64Bits> 2523f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getString(uint32_t section, 2524f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELF::Elf32_Word offset) const { 2525f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return getString(getSection(section), offset); 2526f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2527f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 25284d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 25294d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerconst char *ELFObjectFile<target_endianness, max_alignment, is64Bits> 2530f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ::getString(const Elf_Shdr *section, 2531f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky ELF::Elf32_Word offset) const { 2532f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky assert(section && section->sh_type == ELF::SHT_STRTAB && "Invalid section!"); 2533f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (offset >= section->sh_size) 2534f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky // FIXME: Proper error handling. 2535f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky report_fatal_error("Symbol name offset outside of string table!"); 2536f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return (const char *)base() + section->sh_offset + offset; 2537f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2538f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 25394d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 25404d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 2541dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer ::getSymbolName(const Elf_Shdr *section, 2542dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer const Elf_Sym *symb, 2543f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky StringRef &Result) const { 2544f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (symb->st_name == 0) { 2545f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky const Elf_Shdr *section = getSection(symb); 2546f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky if (!section) 2547f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = ""; 2548f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky else 2549f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky Result = getString(dot_shstrtab_sec, section->sh_name); 2550f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 2551f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky } 2552f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2553dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer if (section == SymbolTableSections[0]) { 2554dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // Symbol is in .dynsym, use .dynstr string table 2555dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer Result = getString(dot_dynstr_sec, symb->st_name); 2556dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } else { 2557dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer // Use the default symbol table name section. 2558dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer Result = getString(dot_strtab_sec, symb->st_name); 2559dfa1896b6b61e708f002b814794890ff308172eeMichael J. Spencer } 2560f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky return object_error::success; 2561f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2562f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 25634d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 25644d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 25659dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta ::getSectionName(const Elf_Shdr *section, 25669dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta StringRef &Result) const { 25679dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta Result = StringRef(getString(dot_shstrtab_sec, section->sh_name)); 25689dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta return object_error::success; 25699dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta} 25709dc5b3e6c423733d5d7d553521b48ea30518f37cAnshuman Dasgupta 25714d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 25724d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencererror_code ELFObjectFile<target_endianness, max_alignment, is64Bits> 25732d70e263c2b508bf4641273dd89a23149f6f6164David Meyer ::getSymbolVersion(const Elf_Shdr *section, 25742d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Sym *symb, 25752d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef &Version, 25762d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) const { 25772d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Handle non-dynamic symbols. 25782d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (section != SymbolTableSections[0]) { 25792d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Non-dynamic symbols can have versions in their names 25802d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // A name of the form 'foo@V1' indicates version 'V1', non-default. 25812d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // A name of the form 'foo@@V2' indicates version 'V2', default version. 25822d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef Name; 25832d70e263c2b508bf4641273dd89a23149f6f6164David Meyer error_code ec = getSymbolName(section, symb, Name); 25842d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (ec != object_error::success) 25852d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ec; 25862d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t atpos = Name.find('@'); 25872d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (atpos == StringRef::npos) { 25882d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = ""; 25892d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 25902d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 25912d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 25922d70e263c2b508bf4641273dd89a23149f6f6164David Meyer ++atpos; 25932d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (atpos < Name.size() && Name[atpos] == '@') { 25942d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = true; 25952d70e263c2b508bf4641273dd89a23149f6f6164David Meyer ++atpos; 25962d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } else { 25972d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 25982d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 25992d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = Name.substr(atpos); 26002d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 26012d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 26022d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26032d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // This is a dynamic symbol. Look in the GNU symbol version table. 26042d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (dot_gnu_version_sec == NULL) { 26052d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // No version table. 26062d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = ""; 26072d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 26082d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 26092d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 26102d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26112d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Determine the position in the symbol table of this entry. 26122d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const char *sec_start = (const char*)base() + section->sh_offset; 26132d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t entry_index = ((const char*)symb - sec_start)/section->sh_entsize; 26142d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26152d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Get the corresponding version index entry 26162d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const Elf_Versym *vs = getEntry<Elf_Versym>(dot_gnu_version_sec, entry_index); 26172d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t version_index = vs->vs_index & ELF::VERSYM_VERSION; 26182d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26192d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Special markers for unversioned symbols. 26202d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (version_index == ELF::VER_NDX_LOCAL || 26212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer version_index == ELF::VER_NDX_GLOBAL) { 26222d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = ""; 26232d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 26242d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 26252d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 26262d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26272d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Lookup this symbol in the version table 26282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer LoadVersionMap(); 26292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (version_index >= VersionMap.size() || VersionMap[version_index].isNull()) 26302d70e263c2b508bf4641273dd89a23149f6f6164David Meyer report_fatal_error("Symbol has version index without corresponding " 26312d70e263c2b508bf4641273dd89a23149f6f6164David Meyer "define or reference entry"); 26322d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const VersionMapEntry &entry = VersionMap[version_index]; 26332d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26342d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Get the version name string 26352d70e263c2b508bf4641273dd89a23149f6f6164David Meyer size_t name_offset; 26362d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (entry.isVerdef()) { 26372d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // The first Verdaux entry holds the name. 26382d70e263c2b508bf4641273dd89a23149f6f6164David Meyer name_offset = entry.getVerdef()->getAux()->vda_name; 26392d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } else { 26402d70e263c2b508bf4641273dd89a23149f6f6164David Meyer name_offset = entry.getVernaux()->vna_name; 26412d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 26422d70e263c2b508bf4641273dd89a23149f6f6164David Meyer Version = getString(dot_dynstr_sec, name_offset); 26432d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26442d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Set IsDefault 26452d70e263c2b508bf4641273dd89a23149f6f6164David Meyer if (entry.isVerdef()) { 26462d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = !(vs->vs_index & ELF::VERSYM_HIDDEN); 26472d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } else { 26482d70e263c2b508bf4641273dd89a23149f6f6164David Meyer IsDefault = false; 26492d70e263c2b508bf4641273dd89a23149f6f6164David Meyer } 26502d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26512d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return object_error::success; 26522d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 26532d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 26544d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 26554d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerinline DynRefImpl<target_endianness, max_alignment, is64Bits> 26565c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::DynRefImpl(DataRefImpl DynP, const OwningType *Owner) 26575c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer : DynPimpl(DynP) 26585c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer , OwningObject(Owner) {} 26595c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 26604d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 26614d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerinline bool DynRefImpl<target_endianness, max_alignment, is64Bits> 26625c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::operator==(const DynRefImpl &Other) const { 26635c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return DynPimpl == Other.DynPimpl; 26645c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 26655c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 26664d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 26674d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerinline bool DynRefImpl<target_endianness, max_alignment, is64Bits> 26685c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::operator <(const DynRefImpl &Other) const { 26695c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return DynPimpl < Other.DynPimpl; 26705c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 26715c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 26724d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 26734d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerinline error_code DynRefImpl<target_endianness, max_alignment, is64Bits> 26745c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getNext(DynRefImpl &Result) const { 26755c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return OwningObject->getDynNext(DynPimpl, Result); 26765c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 26775c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 26784d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 26794d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerinline int64_t DynRefImpl<target_endianness, max_alignment, is64Bits> 26805c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getTag() const { 26815c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return OwningObject->getDyn(DynPimpl)->d_tag; 26825c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 26835c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 26844d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 26854d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerinline uint64_t DynRefImpl<target_endianness, max_alignment, is64Bits> 26865c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getVal() const { 26875c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return OwningObject->getDyn(DynPimpl)->d_un.d_val; 26885c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 26895c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 26904d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 26914d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerinline uint64_t DynRefImpl<target_endianness, max_alignment, is64Bits> 26925c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getPtr() const { 26935c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return OwningObject->getDyn(DynPimpl)->d_un.d_ptr; 26945c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 26955c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 26964d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencertemplate<endianness target_endianness, std::size_t max_alignment, bool is64Bits> 26974d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencerinline DataRefImpl DynRefImpl<target_endianness, max_alignment, is64Bits> 26985c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer ::getRawDataRefImpl() const { 26995c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer return DynPimpl; 27005c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer} 27015c2b4ea73c8f48bb5f96c86fe437385b8fb3dcdaDavid Meyer 27022d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// This is a generic interface for retrieving GNU symbol version 27032d70e263c2b508bf4641273dd89a23149f6f6164David Meyer/// information from an ELFObjectFile. 27042d70e263c2b508bf4641273dd89a23149f6f6164David Meyerstatic inline error_code GetELFSymbolVersion(const ObjectFile *Obj, 27052d70e263c2b508bf4641273dd89a23149f6f6164David Meyer const SymbolRef &Sym, 27062d70e263c2b508bf4641273dd89a23149f6f6164David Meyer StringRef &Version, 27072d70e263c2b508bf4641273dd89a23149f6f6164David Meyer bool &IsDefault) { 27082d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Little-endian 32-bit 27094d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer if (const ELFObjectFile<support::little, 4, false> *ELFObj = 27104d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer dyn_cast<ELFObjectFile<support::little, 4, false> >(Obj)) 27112d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ELFObj->getSymbolVersion(Sym, Version, IsDefault); 27122d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 27132d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Big-endian 32-bit 27144d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer if (const ELFObjectFile<support::big, 4, false> *ELFObj = 27154d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer dyn_cast<ELFObjectFile<support::big, 4, false> >(Obj)) 27162d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ELFObj->getSymbolVersion(Sym, Version, IsDefault); 27172d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 27182d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Little-endian 64-bit 27194d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer if (const ELFObjectFile<support::little, 8, true> *ELFObj = 27204d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer dyn_cast<ELFObjectFile<support::little, 8, true> >(Obj)) 27212d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ELFObj->getSymbolVersion(Sym, Version, IsDefault); 27222d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 27232d70e263c2b508bf4641273dd89a23149f6f6164David Meyer // Big-endian 64-bit 27244d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer if (const ELFObjectFile<support::big, 8, true> *ELFObj = 27254d9c5397b4a3be747bdb73f1d24c3fdbaaf438feMichael J. Spencer dyn_cast<ELFObjectFile<support::big, 8, true> >(Obj)) 27262d70e263c2b508bf4641273dd89a23149f6f6164David Meyer return ELFObj->getSymbolVersion(Sym, Version, IsDefault); 27272d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 27282d70e263c2b508bf4641273dd89a23149f6f6164David Meyer llvm_unreachable("Object passed to GetELFSymbolVersion() is not ELF"); 27292d70e263c2b508bf4641273dd89a23149f6f6164David Meyer} 27302d70e263c2b508bf4641273dd89a23149f6f6164David Meyer 2731f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2732f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky} 2733f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky 2734f4eff4baeb44f9dee988e9293d029dcaa359420dEli Bendersky#endif 2735