elf.h
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上传日期:2009-04-28
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文件大小:10k
- #ifndef _LINUX_ELF_H
- #define _LINUX_ELF_H
- #include <linux/types.h>
- #include <linux/auxvec.h>
- #include <asm/elf.h>
- #ifndef elf_read_implies_exec
- /* Executables for which elf_read_implies_exec() returns TRUE will
- have the READ_IMPLIES_EXEC personality flag set automatically.
- Override in asm/elf.h as needed. */
- # define elf_read_implies_exec(ex, have_pt_gnu_stack) 0
- #endif
- /* 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_TLS 7 /* Thread local storage segment */
- #define PT_LOOS 0x60000000 /* OS-specific */
- #define PT_HIOS 0x6fffffff /* OS-specific */
- #define PT_LOPROC 0x70000000
- #define PT_HIPROC 0x7fffffff
- #define PT_GNU_EH_FRAME 0x6474e550
- #define PT_GNU_STACK (PT_LOOS + 0x474e551)
- /* 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_X86_64 62 /* AMD x86-64 */
- #define EM_S390 22 /* IBM S/390 */
- #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
- #define EM_V850 87 /* NEC v850 */
- #define EM_M32R 88 /* Renesas M32R */
- #define EM_H8_300 46 /* Renesas H8/300,300H,H8S */
- /*
- * This is an interim value that we will use until the committee comes
- * up with a final number.
- */
- #define EM_ALPHA 0x9026
- /* Bogus old v850 magic number, used by old tools. */
- #define EM_CYGNUS_V850 0x9080
- /* Bogus old m32r magic number, used by old tools. */
- #define EM_CYGNUS_M32R 0x9041
- /*
- * This is the old interim value for S/390 architecture
- */
- #define EM_S390_OLD 0xA390
- #define EM_FRV 0x5441 /* Fujitsu FR-V */
- /* 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
- /* 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 ELF_ST_BIND(x) ((x) >> 4)
- #define ELF_ST_TYPE(x) (((unsigned int) x) & 0xf)
- #define ELF32_ST_BIND(x) ELF_ST_BIND(x)
- #define ELF32_ST_TYPE(x) ELF_ST_TYPE(x)
- #define ELF64_ST_BIND(x) ELF_ST_BIND(x)
- #define ELF64_ST_TYPE(x) ELF_ST_TYPE(x)
- 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 ELF64_R_SYM(i) ((i) >> 32)
- #define ELF64_R_TYPE(i) ((i) & 0xffffffff)
- 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
- /* sh_flags */
- #define SHF_WRITE 0x1
- #define SHF_ALLOC 0x2
- #define SHF_EXECINSTR 0x4
- #define SHF_MASKPROC 0xf0000000
- /* 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
-
- 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_OSABI 7
- #define EI_PAD 8
- #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
- #define ELFOSABI_NONE 0
- #define ELFOSABI_LINUX 3
- #ifndef ELF_OSABI
- #define ELF_OSABI ELFOSABI_NONE
- #endif
- /* Notes used in ET_CORE */
- #define NT_PRSTATUS 1
- #define NT_PRFPREG 2
- #define NT_PRPSINFO 3
- #define NT_TASKSTRUCT 4
- #define NT_AUXV 6
- #define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */
- /* 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 */