Index: kernel/generic/include/lib/elf.h =================================================================== --- kernel/generic/include/lib/elf.h (revision a8bb38ceab1997348c644ee294eac3e8badf5d0b) +++ kernel/generic/include/lib/elf.h (revision 8d8eeb9b91e7d7323c26964af5c059bcd010897f) @@ -36,328 +36,7 @@ #define KERN_ELF_H_ +#include +#include #include -#include - -/** - * 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_ARM 40 /* ARM */ -#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 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_TLS 0x400 -#define SHF_MASKPROC 0xf0000000 - -/** Macros for decomposing elf_symbol.st_info into binging and type */ -#define ELF_ST_BIND(i) ((i) >> 4) -#define ELF_ST_TYPE(i) ((i) & 0x0f) -#define ELF_ST_INFO(b, t) (((b) << 4) + ((t) & 0x0f)) - -/** - * 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 uint64_t elf_xword; -typedef int64_t elf_sxword; -typedef uint32_t elf_word; -typedef int32_t elf_sword; -typedef uint16_t elf_half; - -/** - * 32-bit ELF data types. - * - * These types are specific for 32-bit format. - */ -typedef uint32_t elf32_addr; -typedef uint32_t elf32_off; - -/** - * 64-bit ELF data types. - * - * These types are specific for 64-bit format. - */ -typedef uint64_t elf64_addr; -typedef uint64_t elf64_off; - -/** ELF header */ -struct elf32_header { - uint8_t 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 { - uint8_t 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 segment header. - * Segments headers are also known as program headers. - */ -struct elf32_segment_header { - 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_segment_header { - 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; -}; - -/** - * 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; - uint8_t st_info; - uint8_t st_other; - elf_half st_shndx; -}; - -struct elf64_symbol { - elf_word st_name; - uint8_t st_info; - uint8_t st_other; - elf_half st_shndx; - elf64_addr st_value; - elf_xword st_size; -}; - -/* - * ELF note segment entry - */ -struct elf32_note { - elf_word namesz; - elf_word descsz; - elf_word type; -}; - -/* - * NOTE: namesz, descsz and type should be 64-bits wide (elf_xword) - * per the 64-bit ELF spec. The Linux kernel however screws up and - * defines them as Elf64_Word, which is 32-bits wide(!). We are trying - * to make our core files compatible with Linux GDB target so we copy - * the blunder here. - */ -struct elf64_note { - elf_word namesz; - elf_word descsz; - elf_word type; -}; - -#ifdef __32_BITS__ -typedef struct elf32_header elf_header_t; -typedef struct elf32_segment_header elf_segment_header_t; -typedef struct elf32_section_header elf_section_header_t; -typedef struct elf32_symbol elf_symbol_t; -typedef struct elf32_note elf_note_t; -#endif - -#ifdef __64_BITS__ -typedef struct elf64_header elf_header_t; -typedef struct elf64_segment_header elf_segment_header_t; -typedef struct elf64_section_header elf_section_header_t; -typedef struct elf64_symbol elf_symbol_t; -typedef struct elf64_note elf_note_t; -#endif /** Interpreter string used to recognize the program loader */