- #ifndef _LINUX_ELF_H
- #define _LINUX_ELF_H
- #include <linux/types.h>
- #include <asm/elf.h>
- /* 32-bit ELF base types. */
- typedef __u32 Elf32_Addr;
- typedef __u16 Elf32_Half;
- typedef __u32 Elf32_Off;
- typedef __s32 Elf32_Sword;
- typedef __u32 Elf32_Word;
- /* 64-bit ELF base types. */
- typedef __u64 Elf64_Addr;
- typedef __u16 Elf64_Half;
- typedef __s16 Elf64_SHalf;
- typedef __u64 Elf64_Off;
- typedef __s32 Elf64_Sword;
- typedef __u32 Elf64_Word;
- typedef __u64 Elf64_Xword;
- typedef __s64 Elf64_Sxword;
- /* These constants are for the segment types stored in the image headers */
- #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
- #define PT_MIPS_REGINFO 0x70000000
- /* Flags in the e_flags field of the header */
- #define EF_MIPS_NOREORDER 0x00000001
- #define EF_MIPS_PIC 0x00000002
- #define EF_MIPS_CPIC 0x00000004
- #define EF_MIPS_ARCH 0xf0000000
- /* These constants define the different elf file types */
- #define ET_NONE 0
- #define ET_REL 1
- #define ET_EXEC 2
- #define ET_DYN 3
- #define ET_CORE 4
- #define ET_LOPROC 0xff00
- #define ET_HIPROC 0xffff
- /* These constants define the various ELF target machines */
- #define EM_NONE 0
- #define EM_M32 1
- #define EM_SPARC 2
- #define EM_386 3
- #define EM_68K 4
- #define EM_88K 5
- #define EM_486 6 /* Perhaps disused */
- #define EM_860 7
- #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */
- #define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */
- #define EM_PARISC 15 /* HPPA */
- #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
- #define EM_PPC 20 /* PowerPC */
- #define EM_PPC64 21 /* PowerPC64 */
- #define EM_SH 42 /* SuperH */
- #define EM_SPARCV9 43 /* SPARC v9 64-bit */
- #define EM_IA_64 50 /* HP/Intel IA-64 */
- #define EM_X8664 62 /* AMD x86-64 */
- #define EM_S390 22 /* IBM S/390 */
- #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
- /*
- * This is an interim value that we will use until the committee comes
- * up with a final number.
- */
- #define EM_ALPHA 0x9026
- /*
- * This is the old interim value for S/390 architecture
- */
- #define EM_S390_OLD 0xA390
- /* This is the info that is needed to parse the dynamic section of the file */
- #define DT_NULL 0
- #define DT_NEEDED 1
- #define DT_PLTRELSZ 2
- #define DT_PLTGOT 3
- #define DT_HASH 4
- #define DT_STRTAB 5
- #define DT_SYMTAB 6
- #define DT_RELA 7
- #define DT_RELASZ 8
- #define DT_RELAENT 9
- #define DT_STRSZ 10
- #define DT_SYMENT 11
- #define DT_INIT 12
- #define DT_FINI 13
- #define DT_SONAME 14
- #define DT_RPATH 15
- #define DT_SYMBOLIC 16
- #define DT_REL 17
- #define DT_RELSZ 18
- #define DT_RELENT 19
- #define DT_PLTREL 20
- #define DT_DEBUG 21
- #define DT_TEXTREL 22
- #define DT_JMPREL 23
- #define DT_LOPROC 0x70000000
- #define DT_HIPROC 0x7fffffff
- #define DT_MIPS_RLD_VERSION 0x70000001
- #define DT_MIPS_TIME_STAMP 0x70000002
- #define DT_MIPS_ICHECKSUM 0x70000003
- #define DT_MIPS_IVERSION 0x70000004
- #define DT_MIPS_FLAGS 0x70000005
- #define RHF_NONE 0
- #define RHF_HARDWAY 1
- #define RHF_NOTPOT 2
- #define DT_MIPS_BASE_ADDRESS 0x70000006
- #define DT_MIPS_CONFLICT 0x70000008
- #define DT_MIPS_LIBLIST 0x70000009
- #define DT_MIPS_LOCAL_GOTNO 0x7000000a
- #define DT_MIPS_CONFLICTNO 0x7000000b
- #define DT_MIPS_LIBLISTNO 0x70000010
- #define DT_MIPS_SYMTABNO 0x70000011
- #define DT_MIPS_UNREFEXTNO 0x70000012
- #define DT_MIPS_GOTSYM 0x70000013
- #define DT_MIPS_HIPAGENO 0x70000014
- #define DT_MIPS_RLD_MAP 0x70000016
- /* This info is needed when parsing the symbol table */
- #define STB_LOCAL 0
- #define STB_GLOBAL 1
- #define STB_WEAK 2
- #define STT_NOTYPE 0
- #define STT_OBJECT 1
- #define STT_FUNC 2
- #define STT_SECTION 3
- #define STT_FILE 4
- #define ELF32_ST_BIND(x) ((x) >> 4)
- #define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf)
- /* Symbolic values for the entries in the auxiliary table
- put on the initial stack */
- #define AT_NULL 0 /* end of vector */
- #define AT_IGNORE 1 /* entry should be ignored */
- #define AT_EXECFD 2 /* file descriptor of program */
- #define AT_PHDR 3 /* program headers for program */
- #define AT_PHENT 4 /* size of program header entry */
- #define AT_PHNUM 5 /* number of program headers */
- #define AT_PAGESZ 6 /* system page size */
- #define AT_BASE 7 /* base address of interpreter */
- #define AT_FLAGS 8 /* flags */
- #define AT_ENTRY 9 /* entry point of program */
- #define AT_NOTELF 10 /* program is not ELF */
- #define AT_UID 11 /* real uid */
- #define AT_EUID 12 /* effective uid */
- #define AT_GID 13 /* real gid */
- #define AT_EGID 14 /* effective gid */
- #define AT_PLATFORM 15 /* string identifying CPU for optimizations */
- #define AT_HWCAP 16 /* arch dependent hints at CPU capabilities */
- #define AT_CLKTCK 17 /* frequency at which times() increments */
- typedef struct dynamic{
- Elf32_Sword d_tag;
- union{
- Elf32_Sword d_val;
- Elf32_Addr d_ptr;
- } d_un;
- } Elf32_Dyn;
- typedef struct {
- Elf64_Sxword d_tag; /* entry tag value */
- union {
- Elf64_Xword d_val;
- Elf64_Addr d_ptr;
- } d_un;
- } Elf64_Dyn;
- /* The following are used with relocations */
- #define ELF32_R_SYM(x) ((x) >> 8)
- #define ELF32_R_TYPE(x) ((x) & 0xff)
- #define R_386_NONE 0
- #define R_386_32 1
- #define R_386_PC32 2
- #define R_386_GOT32 3
- #define R_386_PLT32 4
- #define R_386_COPY 5
- #define R_386_GLOB_DAT 6
- #define R_386_JMP_SLOT 7
- #define R_386_RELATIVE 8
- #define R_386_GOTOFF 9
- #define R_386_GOTPC 10
- #define R_386_NUM 11
- #define R_MIPS_NONE 0
- #define R_MIPS_16 1
- #define R_MIPS_32 2
- #define R_MIPS_REL32 3
- #define R_MIPS_26 4
- #define R_MIPS_HI16 5
- #define R_MIPS_LO16 6
- #define R_MIPS_GPREL16 7
- #define R_MIPS_LITERAL 8
- #define R_MIPS_GOT16 9
- #define R_MIPS_PC16 10
- #define R_MIPS_CALL16 11
- #define R_MIPS_GPREL32 12
- /* The remaining relocs are defined on Irix, although they are not
- in the MIPS ELF ABI. */
- #define R_MIPS_UNUSED1 13
- #define R_MIPS_UNUSED2 14
- #define R_MIPS_UNUSED3 15
- #define R_MIPS_SHIFT5 16
- #define R_MIPS_SHIFT6 17
- #define R_MIPS_64 18
- #define R_MIPS_GOT_DISP 19
- #define R_MIPS_GOT_PAGE 20
- #define R_MIPS_GOT_OFST 21
- /*
- * The following two relocation types are specified in the MIPS ABI
- * conformance guide version 1.2 but not yet in the psABI.
- */
- #define R_MIPS_GOTHI16 22
- #define R_MIPS_GOTLO16 23
- #define R_MIPS_SUB 24
- #define R_MIPS_INSERT_A 25
- #define R_MIPS_INSERT_B 26
- #define R_MIPS_DELETE 27
- #define R_MIPS_HIGHER 28
- #define R_MIPS_HIGHEST 29
- /*
- * The following two relocation types are specified in the MIPS ABI
- * conformance guide version 1.2 but not yet in the psABI.
- */
- #define R_MIPS_CALLHI16 30
- #define R_MIPS_CALLLO16 31
- /*
- * This range is reserved for vendor specific relocations.
- */
- #define R_MIPS_LOVENDOR 100
- #define R_MIPS_HIVENDOR 127
- /*
- * Sparc ELF relocation types
- */
- #define R_SPARC_NONE 0
- #define R_SPARC_8 1
- #define R_SPARC_16 2
- #define R_SPARC_32 3
- #define R_SPARC_DISP8 4
- #define R_SPARC_DISP16 5
- #define R_SPARC_DISP32 6
- #define R_SPARC_WDISP30 7
- #define R_SPARC_WDISP22 8
- #define R_SPARC_HI22 9
- #define R_SPARC_22 10
- #define R_SPARC_13 11
- #define R_SPARC_LO10 12
- #define R_SPARC_GOT10 13
- #define R_SPARC_GOT13 14
- #define R_SPARC_GOT22 15
- #define R_SPARC_PC10 16
- #define R_SPARC_PC22 17
- #define R_SPARC_WPLT30 18
- #define R_SPARC_COPY 19
- #define R_SPARC_GLOB_DAT 20
- #define R_SPARC_JMP_SLOT 21
- #define R_SPARC_RELATIVE 22
- #define R_SPARC_UA32 23
- #define R_SPARC_PLT32 24
- #define R_SPARC_HIPLT22 25
- #define R_SPARC_LOPLT10 26
- #define R_SPARC_PCPLT32 27
- #define R_SPARC_PCPLT22 28
- #define R_SPARC_PCPLT10 29
- #define R_SPARC_10 30
- #define R_SPARC_11 31
- #define R_SPARC_WDISP16 40
- #define R_SPARC_WDISP19 41
- #define R_SPARC_7 43
- #define R_SPARC_5 44
- #define R_SPARC_6 45
- /* Bits present in AT_HWCAP, primarily for Sparc32. */
- #define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */
- #define HWCAP_SPARC_STBAR 2
- #define HWCAP_SPARC_SWAP 4
- #define HWCAP_SPARC_MULDIV 8
- #define HWCAP_SPARC_V9 16
- #define HWCAP_SPARC_ULTRA3 32
- /*
- * 68k ELF relocation types
- */
- #define R_68K_NONE 0
- #define R_68K_32 1
- #define R_68K_16 2
- #define R_68K_8 3
- #define R_68K_PC32 4
- #define R_68K_PC16 5
- #define R_68K_PC8 6
- #define R_68K_GOT32 7
- #define R_68K_GOT16 8
- #define R_68K_GOT8 9
- #define R_68K_GOT32O 10
- #define R_68K_GOT16O 11
- #define R_68K_GOT8O 12
- #define R_68K_PLT32 13
- #define R_68K_PLT16 14
- #define R_68K_PLT8 15
- #define R_68K_PLT32O 16
- #define R_68K_PLT16O 17
- #define R_68K_PLT8O 18
- #define R_68K_COPY 19
- #define R_68K_GLOB_DAT 20
- #define R_68K_JMP_SLOT 21
- #define R_68K_RELATIVE 22
- /*
- * Alpha ELF relocation types
- */
- #define R_ALPHA_NONE 0 /* No reloc */
- #define R_ALPHA_REFLONG 1 /* Direct 32 bit */
- #define R_ALPHA_REFQUAD 2 /* Direct 64 bit */
- #define R_ALPHA_GPREL32 3 /* GP relative 32 bit */
- #define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */
- #define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */
- #define R_ALPHA_GPDISP 6 /* Add displacement to GP */
- #define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */
- #define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */
- #define R_ALPHA_SREL16 9 /* PC relative 16 bit */
- #define R_ALPHA_SREL32 10 /* PC relative 32 bit */
- #define R_ALPHA_SREL64 11 /* PC relative 64 bit */
- #define R_ALPHA_OP_PUSH 12 /* OP stack push */
- #define R_ALPHA_OP_STORE 13 /* OP stack pop and store */
- #define R_ALPHA_OP_PSUB 14 /* OP stack subtract */
- #define R_ALPHA_OP_PRSHIFT 15 /* OP stack right shift */
- #define R_ALPHA_GPVALUE 16
- #define R_ALPHA_GPRELHIGH 17
- #define R_ALPHA_GPRELLOW 18
- #define R_ALPHA_IMMED_GP_16 19
- #define R_ALPHA_IMMED_GP_HI32 20
- #define R_ALPHA_IMMED_SCN_HI32 21
- #define R_ALPHA_IMMED_BR_HI32 22
- #define R_ALPHA_IMMED_LO32 23
- #define R_ALPHA_COPY 24 /* Copy symbol at runtime */
- #define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */
- #define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */
- #define R_ALPHA_RELATIVE 27 /* Adjust by program base */
- /* Legal values for e_flags field of Elf64_Ehdr. */
- #define EF_ALPHA_32BIT 1 /* All addresses are below 2GB */
- typedef struct elf32_rel {
- Elf32_Addr r_offset;
- Elf32_Word r_info;
- } Elf32_Rel;
- typedef struct elf64_rel {
- Elf64_Addr r_offset; /* Location at which to apply the action */
- Elf64_Xword r_info; /* index and type of relocation */
- } Elf64_Rel;
- typedef struct elf32_rela{
- Elf32_Addr r_offset;
- Elf32_Word r_info;
- Elf32_Sword r_addend;
- } Elf32_Rela;
- typedef struct elf64_rela {
- Elf64_Addr r_offset; /* Location at which to apply the action */
- Elf64_Xword r_info; /* index and type of relocation */
- Elf64_Sxword r_addend; /* Constant addend used to compute value */
- } Elf64_Rela;
- typedef struct elf32_sym{
- Elf32_Word st_name;
- Elf32_Addr st_value;
- Elf32_Word st_size;
- unsigned char st_info;
- unsigned char st_other;
- Elf32_Half st_shndx;
- } Elf32_Sym;
- typedef struct elf64_sym {
- Elf64_Word st_name; /* Symbol name, index in string tbl */
- unsigned char st_info; /* Type and binding attributes */
- unsigned char st_other; /* No defined meaning, 0 */
- Elf64_Half st_shndx; /* Associated section index */
- Elf64_Addr st_value; /* Value of the symbol */
- Elf64_Xword st_size; /* Associated symbol size */
- } Elf64_Sym;
- #define EI_NIDENT 16
- typedef struct elf32_hdr{
- unsigned char e_ident[EI_NIDENT];
- Elf32_Half e_type;
- Elf32_Half e_machine;
- Elf32_Word e_version;
- Elf32_Addr e_entry; /* Entry point */
- Elf32_Off e_phoff;
- Elf32_Off e_shoff;
- Elf32_Word e_flags;
- Elf32_Half e_ehsize;
- Elf32_Half e_phentsize;
- Elf32_Half e_phnum;
- Elf32_Half e_shentsize;
- Elf32_Half e_shnum;
- Elf32_Half e_shstrndx;
- } Elf32_Ehdr;
- typedef struct elf64_hdr {
- unsigned char e_ident[16]; /* ELF "magic number" */
- Elf64_Half e_type;
- Elf64_Half e_machine;
- Elf64_Word e_version;
- Elf64_Addr e_entry; /* Entry point virtual address */
- Elf64_Off e_phoff; /* Program header table file offset */
- Elf64_Off e_shoff; /* Section header table file offset */
- Elf64_Word e_flags;
- Elf64_Half e_ehsize;
- Elf64_Half e_phentsize;
- Elf64_Half e_phnum;
- Elf64_Half e_shentsize;
- Elf64_Half e_shnum;
- Elf64_Half e_shstrndx;
- } Elf64_Ehdr;
- /* These constants define the permissions on sections in the program
- header, p_flags. */
- #define PF_R 0x4
- #define PF_W 0x2
- #define PF_X 0x1
- typedef struct elf32_phdr{
- Elf32_Word p_type;
- Elf32_Off p_offset;
- Elf32_Addr p_vaddr;
- Elf32_Addr p_paddr;
- Elf32_Word p_filesz;
- Elf32_Word p_memsz;
- Elf32_Word p_flags;
- Elf32_Word p_align;
- } Elf32_Phdr;
- typedef struct elf64_phdr {
- Elf64_Word p_type;
- Elf64_Word p_flags;
- Elf64_Off p_offset; /* Segment file offset */
- Elf64_Addr p_vaddr; /* Segment virtual address */
- Elf64_Addr p_paddr; /* Segment physical address */
- Elf64_Xword p_filesz; /* Segment size in file */
- Elf64_Xword p_memsz; /* Segment size in memory */
- Elf64_Xword p_align; /* Segment alignment, file & memory */
- } Elf64_Phdr;
- /* sh_type */
- #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_NUM 12
- #define SHT_LOPROC 0x70000000
- #define SHT_HIPROC 0x7fffffff
- #define SHT_LOUSER 0x80000000
- #define SHT_HIUSER 0xffffffff
- #define SHT_MIPS_LIST 0x70000000
- #define SHT_MIPS_CONFLICT 0x70000002
- #define SHT_MIPS_GPTAB 0x70000003
- #define SHT_MIPS_UCODE 0x70000004
- /* sh_flags */
- #define SHF_WRITE 0x1
- #define SHF_ALLOC 0x2
- #define SHF_EXECINSTR 0x4
- #define SHF_MASKPROC 0xf0000000
- #define SHF_MIPS_GPREL 0x10000000
- /* special section indexes */
- #define SHN_UNDEF 0
- #define SHN_LORESERVE 0xff00
- #define SHN_LOPROC 0xff00
- #define SHN_HIPROC 0xff1f
- #define SHN_ABS 0xfff1
- #define SHN_COMMON 0xfff2
- #define SHN_HIRESERVE 0xffff
- #define SHN_MIPS_ACCOMON 0xff00
- typedef struct {
- Elf32_Word sh_name;
- Elf32_Word sh_type;
- Elf32_Word sh_flags;
- Elf32_Addr sh_addr;
- Elf32_Off sh_offset;
- Elf32_Word sh_size;
- Elf32_Word sh_link;
- Elf32_Word sh_info;
- Elf32_Word sh_addralign;
- Elf32_Word sh_entsize;
- } Elf32_Shdr;
- typedef struct elf64_shdr {
- Elf64_Word sh_name; /* Section name, index in string tbl */
- Elf64_Word sh_type; /* Type of section */
- Elf64_Xword sh_flags; /* Miscellaneous section attributes */
- Elf64_Addr sh_addr; /* Section virtual addr at execution */
- Elf64_Off sh_offset; /* Section file offset */
- Elf64_Xword sh_size; /* Size of section in bytes */
- Elf64_Word sh_link; /* Index of another section */
- Elf64_Word sh_info; /* Additional section information */
- Elf64_Xword sh_addralign; /* Section alignment */
- Elf64_Xword sh_entsize; /* Entry size if section holds table */
- } Elf64_Shdr;
- #define EI_MAG0 0 /* e_ident[] indexes */
- #define EI_MAG1 1
- #define EI_MAG2 2
- #define EI_MAG3 3
- #define EI_CLASS 4
- #define EI_DATA 5
- #define EI_VERSION 6
- #define EI_PAD 7
- #define ELFMAG0 0x7f /* EI_MAG */
- #define ELFMAG1 'E'
- #define ELFMAG2 'L'
- #define ELFMAG3 'F'
- #define ELFMAG "177ELF"
- #define SELFMAG 4
- #define ELFCLASSNONE 0 /* EI_CLASS */
- #define ELFCLASS32 1
- #define ELFCLASS64 2
- #define ELFCLASSNUM 3
- #define ELFDATANONE 0 /* e_ident[EI_DATA] */
- #define ELFDATA2LSB 1
- #define ELFDATA2MSB 2
- #define EV_NONE 0 /* e_version, EI_VERSION */
- #define EV_CURRENT 1
- #define EV_NUM 2
- /* Notes used in ET_CORE */
- #define NT_PRSTATUS 1
- #define NT_PRFPREG 2
- #define NT_PRPSINFO 3
- #define NT_TASKSTRUCT 4
- #define NT_PRFPXREG 20
- /* Note header in a PT_NOTE section */
- typedef struct elf32_note {
- Elf32_Word n_namesz; /* Name size */
- Elf32_Word n_descsz; /* Content size */
- Elf32_Word n_type; /* Content type */
- } Elf32_Nhdr;
- /* Note header in a PT_NOTE section */
- typedef struct elf64_note {
- Elf64_Word n_namesz; /* Name size */
- Elf64_Word n_descsz; /* Content size */
- Elf64_Word n_type; /* Content type */
- } Elf64_Nhdr;
- #if ELF_CLASS == ELFCLASS32
- extern Elf32_Dyn _DYNAMIC [];
- #define elfhdr elf32_hdr
- #define elf_phdr elf32_phdr
- #define elf_note elf32_note
- #else
- extern Elf64_Dyn _DYNAMIC [];
- #define elfhdr elf64_hdr
- #define elf_phdr elf64_phdr
- #define elf_note elf64_note
- #endif
- #endif /* _LINUX_ELF_H */