| 44 | |
| 45 | |
| 46 | ElfView::ElfView(BinaryView* data, bool parseOnly): BinaryView("ELF", data->GetFile(), data), m_parseOnly(parseOnly) |
| 47 | { |
| 48 | Elf64Header header; |
| 49 | string errorMsg; |
| 50 | BNEndianness endian; |
| 51 | if (!g_elfViewType->ParseHeaders(data, m_ident, m_commonHeader, header, &m_arch, &m_plat, errorMsg, endian)) |
| 52 | throw ElfFormatException(errorMsg); |
| 53 | |
| 54 | CreateLogger("BinaryView"); |
| 55 | m_logger = CreateLogger("BinaryView.ElfView"); |
| 56 | m_elf32 = m_ident.fileClass == 1; |
| 57 | m_addressSize = (m_ident.fileClass == 1) ? 4 : 8; |
| 58 | m_endian = endian; |
| 59 | m_relocatable = m_commonHeader.type == ET_DYN || m_commonHeader.type == ET_REL; |
| 60 | m_objectFile = m_commonHeader.type == ET_REL; |
| 61 | m_backedByDatabase = data->GetFile()->IsBackedByDatabase("ELF"); |
| 62 | |
| 63 | memset(&m_symbolTableSection, 0, sizeof(m_symbolTableSection)); |
| 64 | memset(&m_dynamicSymbolTableSection, 0, sizeof(m_dynamicSymbolTableSection)); |
| 65 | memset(&m_dynamicStringTable, 0, sizeof(m_dynamicStringTable)); |
| 66 | memset(&m_dynamicTable, 0, sizeof(m_dynamicTable)); |
| 67 | memset(&m_relocSection, 0, sizeof(m_relocSection)); |
| 68 | memset(&m_relocaSection, 0, sizeof(m_relocaSection)); |
| 69 | memset(&m_tlsSegment, 0, sizeof(m_tlsSegment)); |
| 70 | memset(&m_auxSymbolTable, 0, sizeof(m_auxSymbolTable)); |
| 71 | memset(&m_sectionStringTable, 0, sizeof(m_sectionStringTable)); |
| 72 | memset(&m_sectionOpd, 0, sizeof(m_sectionOpd)); |
| 73 | |
| 74 | m_logger->LogInfo("Detected %s endian ELF", m_endian == LittleEndian ? "Little Endian" : "Big Endian"); |
| 75 | |
| 76 | |
| 77 | if (m_elf32 && (header.sectionHeaderSize != sizeof(Elf32SectionHeader))) |
| 78 | { |
| 79 | m_logger->LogWarn( |
| 80 | "The section header size reported by e_shentsize (0x%lx) is different from the size of Elf32_Shdr (0x%lx). " |
| 81 | "The parsing proceeds with the size of Elf32_Shdr.", |
| 82 | header.sectionHeaderSize, sizeof(Elf32SectionHeader)); |
| 83 | header.sectionHeaderSize = sizeof(Elf32SectionHeader); |
| 84 | } |
| 85 | else if (!m_elf32 && (header.sectionHeaderSize != sizeof(Elf64SectionHeader))) |
| 86 | { |
| 87 | m_logger->LogWarn( |
| 88 | "The section header size reported by e_shentsize (0x%lx) is different from the size of Elf64_Shdr (0x%lx). " |
| 89 | "The parsing proceeds with the size of Elf64_Shdr.", |
| 90 | header.sectionHeaderSize, sizeof(Elf64SectionHeader)); |
| 91 | header.sectionHeaderSize = sizeof(Elf64SectionHeader); |
| 92 | } |
| 93 | |
| 94 | if (m_elf32 && (header.programHeaderSize != sizeof(Elf32ProgramHeader))) |
| 95 | { |
| 96 | m_logger->LogWarn( |
| 97 | "The program header size reported by e_phentsize (0x%lx) is different from the size of Elf32_Phdr (0x%lx). " |
| 98 | "The parsing proceeds with the size of Elf32_Phdr.", |
| 99 | header.programHeaderSize, sizeof(Elf32ProgramHeader)); |
| 100 | header.programHeaderSize = sizeof(Elf32ProgramHeader); |
| 101 | } |
| 102 | else if (!m_elf32 && (header.programHeaderSize != sizeof(Elf64ProgramHeader))) |
| 103 | { |
nothing calls this directly
no test coverage detected