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#ifndef _ELF_H
#define _ELF_H
/* 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
/* 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 5
#define ET_HIPROC 6
/* 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
/* 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 ELF32_ST_BIND(x) ((x) >> 4)
#define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf)
struct dynamic{
int d_tag;
union{
int d_val;
char * d_ptr;
} d_un;
};
/* 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
struct Elf32_Rel{
unsigned int * offset;
int info;
};
struct Elf32_Rela{
unsigned int * offset;
int info;
int addend;
};
struct Elf32_Sym{
int st_name;
unsigned int st_value;
int st_size;
unsigned char st_info;
unsigned char st_other;
short int st_shndx;
};
struct elfhdr{
char e_ident[16];
short int e_type;
short int e_machine;
int e_version;
char *e_entry; /* Entry point */
int e_phoff;
int e_shoff;
int e_flags;
short int e_ehsize;
short int e_phentsize;
short int e_phnum;
short int e_shentsize;
short int e_shnum;
short int e_shstrndx;
};
struct elf_phdr{
int p_type;
int p_offset;
int p_vaddr;
int p_paddr;
int p_filesz;
int p_memsz;
int p_flags;
int p_align;
};
#define ELF_START_MMAP 0x80000000
#endif