Subversion Repositories QNX 8.QNX8 IFS tool

// Executable and Linkable Format master header structure type definition

typedef struct elf32_header_s

{

   unsigned char magic[4];                     // offset 0: "\x7f" + "ELF"

#pragma verify match_var_int("magic[0]", "0x7f")

#pragma verify match_var_int("magic[1]", "0x45")

#pragma verify match_var_int("magic[2]", "0x4c")

#pragma verify match_var_int("magic[3]", "0x46")

   unsigned char platform_size;                // offset 4: 1 = 32-bit, 2 = 64-bit

#pragma verify match_var_int("platform_size", "1")

   unsigned char endianness;                   // offset 5: 1 = little endian, 2 = big endian

   unsigned char header_version;               // offset 6: typically 1

   unsigned char os_abi;                       // offset 7: 0 = SysV, 1 = HP/UX, 2 = NetBSD, 3 = Linux, 4 = GNU/Hurd, 6 = Solaris, 7 = AIX, 8 = IRIX, 9 = FreeBSD, 10 = Tru64, 11 = Novell, 12 = OpenBSD, 13 = OpenVMS, 14 = NonStop kernel, 15 = AROS, 16 = FenixOS, 17 = Nuxi CloudABI, 18 = OpenVOS

   unsigned char spare[8];                     // offset 8: zeroes

   unsigned __int16 type;                        // offset 16: 1 = relocatable, 2 = executable, 3 = shared, 4 = core dump

   unsigned __int16 instruction_set;             // offset 18: 2 = Sparc, 3 = i386, 8 = MIPS, 20 = PowerPC, 40 = ARM, 42 = SuperH, 50 = IA-64, 62 = x86_64, 183 = AArch64, 243 = RISC-V

   unsigned __int32 elf_version;                 // offset 20: typically 1

   unsigned __int32 entrypoint_offset;           // offset 24: offset to program entrypoint

   unsigned __int32 program_header_table_offset; // offset 28: offset to program header table

   unsigned __int32 section_header_table_offset; // offset 32: offset to section header table

   unsigned __int32 flags;                       // offset 36: flags (architecture-dependent, none for x86)

   unsigned __int16 header_size;                 // offset 40: size of ELF header, 52 for 32-bit ELF and 64 for 64-bit ELF -- DO NOT USE sizeof() ON THE elf_header_s STRUCT BECAUSE OF THE UNION! WRITE THE CORRECT SIZE YOURSELF!

   unsigned __int16 program_header_item_size;    // offset 42: size of an entry in the program header table

   unsigned __int16 program_header_table_len;    // offset 44: number of entries in the program header table

   unsigned __int16 section_header_item_size;    // offset 46: size of an entry in the section header table

   unsigned __int16 section_header_table_len;    // offset 48: number of entries in the section header table

   unsigned __int16 section_header_names_idx;    // offset 50: index of the entry in the section header table that contains the section names

} elf32_header_t;

typedef struct elf64_header_s

{

   unsigned char magic[4];                     // offset 0: "\x07" + "ELF"

#pragma verify match_var_int("magic[0]", "0x7f")

#pragma verify match_var_int("magic[1]", "0x45")

#pragma verify match_var_int("magic[2]", "0x4c")

#pragma verify match_var_int("magic[3]", "0x46")

   unsigned char platform_size;                // offset 4: 1 = 32-bit, 2 = 64-bit

#pragma verify match_var_int("platform_size", "2")

   unsigned char endianness;                   // offset 5: 1 = little endian, 2 = big endian

   unsigned char header_version;               // offset 6: typically 1

   unsigned char os_abi;                       // offset 7: 0 = SysV, 1 = HP/UX, 2 = NetBSD, 3 = Linux, 4 = GNU/Hurd, 6 = Solaris, 7 = AIX, 8 = IRIX, 9 = FreeBSD, 10 = Tru64, 11 = Novell, 12 = OpenBSD, 13 = OpenVMS, 14 = NonStop kernel, 15 = AROS, 16 = FenixOS, 17 = Nuxi CloudABI, 18 = OpenVOS

   unsigned char spare[8];                     // offset 8: zeroes

   unsigned __int16 type;                        // offset 16: 1 = relocatable, 2 = executable, 3 = shared, 4 = core dump

   unsigned __int16 instruction_set;             // offset 18: 2 = Sparc, 3 = i386, 8 = MIPS, 20 = PowerPC, 40 = ARM, 42 = SuperH, 50 = IA-64, 62 = x86_64, 183 = AArch64, 243 = RISC-V

   unsigned __int32 elf_version;                 // offset 20: typically 1

   unsigned __int64 entrypoint_offset;           // offset 24: program entry offset

   unsigned __int64 program_header_table_offset; // offset 32: offset to program header table

   unsigned __int64 section_header_table_offset; // offset 40: offset to section header table

   unsigned __int32 flags;                       // offset 48: flags (architecture-dependent, none for x86)

   unsigned __int16 header_size;                 // offset 52: size of ELF header, 52 for 32-bit ELF and 64 for 64-bit ELF

   unsigned __int16 program_header_item_size;    // offset 54: size of an entry in the program header table

   unsigned __int16 program_header_table_len;    // offset 56: number of entries in the program header table

   unsigned __int16 section_header_item_size;    // offset 58: size of an entry in the section header table

   unsigned __int16 section_header_table_len;    // offset 60: number of entries in the section header table

   unsigned __int16 section_header_names_idx;    // offset 62: index of the entry in the section header table that contains the section names

} elf64_header_t;