| 30,5 → 30,305 |
|---|
| #define __ELF_H__ |
| |
| #include <arch/elf.h> |
| #include <arch/types.h> |
| #include <mm/as.h> |
| |
| /** |
| * current ELF version |
| */ |
| #define EV_CURRENT 1 |
| |
| /** |
| * ELF types |
| */ |
| #define ET_NONE 0 /* No type */ |
| #define ET_REL 1 /* Relocatable file */ |
| #define ET_EXEC 2 /* Executable */ |
| #define ET_DYN 3 /* Shared object */ |
| #define ET_CORE 4 /* Core */ |
| #define ET_LOPROC 0xff00 /* Processor specific */ |
| #define ET_HIPROC 0xffff /* Processor specific */ |
| |
| /** |
| * ELF machine types |
| */ |
| #define EM_NO 0 /* No machine */ |
| #define EM_SPARC 2 /* SPARC */ |
| #define EM_386 3 /* i386 */ |
| #define EM_MIPS 8 /* MIPS RS3000 */ |
| #define EM_MIPS_RS3_LE 10 /* MIPS RS3000 LE */ |
| #define EM_PPC 20 /* PPC32 */ |
| #define EM_PPC64 21 /* PPC64 */ |
| #define EM_SPARCV9 43 /* SPARC64 */ |
| #define EM_IA_64 50 /* IA-64 */ |
| #define EM_X86_64 62 /* AMD64/EMT64 */ |
| |
| /** |
| * ELF identification indexes |
| */ |
| #define EI_MAG0 0 |
| #define EI_MAG1 1 |
| #define EI_MAG2 2 |
| #define EI_MAG3 3 |
| #define EI_CLASS 4 /* File class */ |
| #define EI_DATA 5 /* Data encoding */ |
| #define EI_VERSION 6 /* File version */ |
| #define EI_OSABI 7 |
| #define EI_ABIVERSION 8 |
| #define EI_PAD 9 /* Start of padding bytes */ |
| #define EI_NIDENT 16 /* ELF identification table size */ |
| |
| /** |
| * ELF magic number |
| */ |
| #define ELFMAG0 0x7f |
| #define ELFMAG1 'E' |
| #define ELFMAG2 'L' |
| #define ELFMAG3 'F' |
| |
| /** |
| * ELF file classes |
| */ |
| #define ELFCLASSNONE 0 |
| #define ELFCLASS32 1 |
| #define ELFCLASS64 2 |
| |
| /** |
| * ELF data encoding types |
| */ |
| #define ELFDATANONE 0 |
| #define ELFDATA2LSB 1 /* Least significant byte first (little endian) */ |
| #define ELFDATA2MSB 2 /* Most signigicant byte first (big endian) */ |
| |
| /** |
| * ELF error return codes |
| */ |
| #define EE_OK 0 /* No error */ |
| #define EE_INVALID 1 /* Invalid ELF image */ |
| #define EE_MEMORY 2 /* Cannot allocate address space */ |
| #define EE_INCOMPATIBLE 3 /* ELF image is not compatible with current architecture */ |
| #define EE_UNSUPPORTED 4 /* Non-supported ELF (e.g. dynamic ELFs) */ |
| #define EE_IRRECOVERABLE 5 |
| |
| /** |
| * ELF section types |
| */ |
| #define SHT_NULL 0 |
| #define SHT_PROGBITS 1 |
| #define SHT_SYMTAB 2 |
| #define SHT_STRTAB 3 |
| #define SHT_RELA 4 |
| #define SHT_HASH 5 |
| #define SHT_DYNAMIC 6 |
| #define SHT_NOTE 7 |
| #define SHT_NOBITS 8 |
| #define SHT_REL 9 |
| #define SHT_SHLIB 10 |
| #define SHT_DYNSYM 11 |
| #define SHT_LOOS 0x60000000 |
| #define SHT_HIOS 0x6fffffff |
| #define SHT_LOPROC 0x70000000 |
| #define SHT_HIPROC 0x7fffffff |
| #define SHT_LOUSER 0x80000000 |
| #define SHT_HIUSER 0xffffffff |
| |
| /** |
| * ELF section flags |
| */ |
| #define SHF_WRITE 0x1 |
| #define SHF_ALLOC 0x2 |
| #define SHF_EXECINSTR 0x4 |
| #define SHF_MASKPROC 0xf0000000 |
| |
| /** |
| * Symbol binding |
| */ |
| #define STB_LOCAL 0 |
| #define STB_GLOBAL 1 |
| #define STB_WEAK 2 |
| #define STB_LOPROC 13 |
| #define STB_HIPROC 15 |
| |
| /** |
| * Symbol types |
| */ |
| #define STT_NOTYPE 0 |
| #define STT_OBJECT 1 |
| #define STT_FUNC 2 |
| #define STT_SECTION 3 |
| #define STT_FILE 4 |
| #define STT_LOPROC 13 |
| #define STT_HIPROC 15 |
| |
| /** |
| * Program segment types |
| */ |
| #define PT_NULL 0 |
| #define PT_LOAD 1 |
| #define PT_DYNAMIC 2 |
| #define PT_INTERP 3 |
| #define PT_NOTE 4 |
| #define PT_SHLIB 5 |
| #define PT_PHDR 6 |
| #define PT_LOPROC 0x70000000 |
| #define PT_HIPROC 0x7fffffff |
| |
| /** |
| * Program segment attributes. |
| */ |
| #define PF_X 1 |
| #define PF_W 2 |
| #define PF_R 4 |
| |
| /** |
| * ELF data types |
| * |
| * These types are found to be identical in both 32-bit and 64-bit |
| * ELF object file specifications. They are the only types used |
| * in ELF header. |
| */ |
| typedef __u64 elf_xword; |
| typedef __s64 elf_sxword; |
| typedef __u32 elf_word; |
| typedef __s32 elf_sword; |
| typedef __u16 elf_half; |
| |
| /** |
| * 32-bit ELF data types. |
| * |
| * These types are specific for 32-bit format. |
| */ |
| typedef __u32 elf32_addr; |
| typedef __u32 elf32_off; |
| |
| /** |
| * 64-bit ELF data types. |
| * |
| * These types are specific for 64-bit format. |
| */ |
| typedef __u64 elf64_addr; |
| typedef __u64 elf64_off; |
| |
| /** ELF header */ |
| struct elf32_header { |
| __u8 e_ident[EI_NIDENT]; |
| elf_half e_type; |
| elf_half e_machine; |
| elf_word e_version; |
| elf32_addr e_entry; |
| elf32_off e_phoff; |
| elf32_off e_shoff; |
| elf_word e_flags; |
| elf_half e_ehsize; |
| elf_half e_phentsize; |
| elf_half e_phnum; |
| elf_half e_shentsize; |
| elf_half e_shnum; |
| elf_half e_shstrndx; |
| }; |
| struct elf64_header { |
| __u8 e_ident[EI_NIDENT]; |
| elf_half e_type; |
| elf_half e_machine; |
| elf_word e_version; |
| elf64_addr e_entry; |
| elf64_off e_phoff; |
| elf64_off e_shoff; |
| elf_word e_flags; |
| elf_half e_ehsize; |
| elf_half e_phentsize; |
| elf_half e_phnum; |
| elf_half e_shentsize; |
| elf_half e_shnum; |
| elf_half e_shstrndx; |
| }; |
| |
| /* |
| * ELF section header |
| */ |
| struct elf32_section_header { |
| elf_word sh_name; |
| elf_word sh_type; |
| elf_word sh_flags; |
| elf32_addr sh_addr; |
| elf32_off sh_offset; |
| elf_word sh_size; |
| elf_word sh_link; |
| elf_word sh_info; |
| elf_word sh_addralign; |
| elf_word sh_entsize; |
| }; |
| struct elf64_section_header { |
| elf_word sh_name; |
| elf_word sh_type; |
| elf_xword sh_flags; |
| elf64_addr sh_addr; |
| elf64_off sh_offset; |
| elf_xword sh_size; |
| elf_word sh_link; |
| elf_word sh_info; |
| elf_xword sh_addralign; |
| elf_xword sh_entsize; |
| }; |
| |
| /* |
| * ELF symbol table entry |
| */ |
| struct elf32_symbol { |
| elf_word st_name; |
| elf32_addr st_value; |
| elf_word st_size; |
| __u8 st_info; |
| __u8 st_other; |
| elf_half st_shndx; |
| }; |
| struct elf64_symbol { |
| elf_word st_name; |
| __u8 st_info; |
| __u8 st_other; |
| elf_half st_shndx; |
| elf64_addr st_value; |
| elf_xword st_size; |
| }; |
| |
| /* |
| * ELF program header entry |
| */ |
| struct elf32_ph_entry { |
| elf_word p_type; |
| elf32_off p_offset; |
| elf32_addr p_vaddr; |
| elf32_addr p_paddr; |
| elf_word p_filesz; |
| elf_word p_memsz; |
| elf_word p_flags; |
| elf_word p_align; |
| }; |
| struct elf64_ph_entry { |
| elf_word p_type; |
| elf_word p_flags; |
| elf64_off p_offset; |
| elf64_addr p_vaddr; |
| elf64_addr p_paddr; |
| elf_xword p_filesz; |
| elf_xword p_memsz; |
| elf_xword p_align; |
| }; |
| |
| #ifdef __32_BITS__ |
| typedef struct elf32_header elf_header_t; |
| typedef struct elf32_section_header elf_section_header_t; |
| typedef struct elf32_symbol elf_symbol_t; |
| typedef struct elf32_ph_entry elf_ph_entry_t; |
| #endif |
| #ifdef __64_BITS__ |
| typedef struct elf64_header elf_header_t; |
| typedef struct elf64_section_header elf_section_header_t; |
| typedef struct elf64_symbol elf_symbol_t; |
| typedef struct elf64_ph_entry elf_ph_entry_t; |
| #endif |
| |
| extern int elf_load(elf_header_t *header, as_t * as); |
| extern char *elf_error(int rc); |
| |
| #endif |