📄 elf.h
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#define EM_SH 42 // Hitachi SH
#define EM_SPARCV9 43 // SPARC Version 9
#define EM_TRICORE 44 // Siemens Tricore embedded processor
#define EM_ARC 45 // Argonaut RISC Core, Argonaut Technologies Inc.
#define EM_H8_300 46 // Hitachi H8/300
#define EM_H8_300H 47 // Hitachi H8/300H
#define EM_H8S 48 // Hitachi H8S
#define EM_H8_500 49 // Hitachi H8/500
#define EM_IA_64 50 // Intel IA-64 processor architecture
#define EM_MIPS_X 51 // Stanford MIPS-X
#define EM_COLDFIRE 52 // Motorola ColdFire
#define EM_68HC12 53 // Motorola M68HC12
#define EM_MMA 54 // Fujitsu MMA Multimedia Accelerator
#define EM_PCP 55 // Siemens PCP
#define EM_NCPU 56 // Sony nCPU embedded RISC processor
#define EM_NDR1 57 // Denso NDR1 microprocessor
#define EM_STARCORE 58 // Motorola Star*Core processor
#define EM_ME16 59 // Toyota ME16 processor
#define EM_ST100 60 // STMicroelectronics ST100 processor
#define EM_TINYJ 61 // Advanced Logic Corp. TinyJ embedded processor family
#define EM_FX66 66 // Siemens FX66 microcontroller
#define EM_ST9PLUS 67 // STMicroelectronics ST9+ 8/16 bit microcontroller
#define EM_ST7 68 // STMicroelectronics ST7 8-bit microcontroller
#define EM_68HC16 69 // Motorola MC68HC16 Microcontroller
#define EM_68HC11 70 // Motorola MC68HC11 Microcontroller
#define EM_68HC08 71 // Motorola MC68HC08 Microcontroller
#define EM_68HC05 72 // Motorola MC68HC05 Microcontroller
#define EM_SVX 73 // Silicon Graphics SVx
#define EM_ST19 74 // STMicroelectronics ST19 8-bit microcontroller
#define EM_VAX 75 // Digital VAX
#define EM_CRIS 76 // Axis Communications 32-bit embedded processor
#define EM_JAVELIN 77 // Infineon Technologies 32-bit embedded processor
#define EM_FIREPATH 78 // Element 14 64-bit DSP Processor
#define EM_ZSP 79 // LSI Logic 16-bit DSP Processor
#define EM_MMIX 80 // Donald Knuth's educational 64-bit processor
#define EM_HUANY 81 // Harvard University machine-independent object files
#define EM_PRISM 82 // SiTera Prism
/* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */
#define EM_CYGNUS_POWERPC 0x9025
/* Old version of Sparc v9, from before the ABI; this should be
removed shortly. */
#define EM_OLD_SPARCV9 11
/* Old version of PowerPC, this should be removed shortly. */
#define EM_PPC_OLD 17
/* Cygnus ARC ELF backend. Written in the absence of an ABI. */
#define EM_CYGNUS_ARC 0x9040
/* Cygnus M32R ELF backend. Written in the absence of an ABI. */
#define EM_CYGNUS_M32R 0x9041
/* Alpha backend magic number. Written in the absence of an ABI. */
//#define EM_ALPHA 0x9026
/* D10V backend magic number. Written in the absence of an ABI. */
#define EM_CYGNUS_D10V 0x7650
/* D30V backend magic number. Written in the absence of an ABI. */
#define EM_CYGNUS_D30V 0x7676
/* V850 backend magic number. Written in the absense of an ABI. */
#define EM_CYGNUS_V850 0x9080
/* mn10200 and mn10300 backend magic numbers.
Written in the absense of an ABI. */
#define EM_CYGNUS_MN10200 0xdead
#define EM_CYGNUS_MN10300 0xbeef
/* FR30 magic number - no EABI available. */
#define EM_CYGNUS_FR30 0x3330
/* AVR magic number
Written in the absense of an ABI. */
#define EM_AVR 0x1057
// -------------------------------------------------------------------------
/* Version */
#define EV_NONE 0 /* Invalid */
#define EV_CURRENT 1 /* Current */
#define EV_NUM 2 /* number of versions */
// -------------------------------------------------------------------------
/* Section Header */
typedef struct {
Elf32_Word sh_name; /* name - index into section header
string table section */
Elf32_Word sh_type; /* type */
Elf32_Word sh_flags; /* flags */
Elf32_Addr sh_addr; /* address */
Elf32_Off sh_offset; /* file offset */
Elf32_Word sh_size; /* section size */
Elf32_Word sh_link; /* section header table index link */
Elf32_Word sh_info; /* extra information */
Elf32_Word sh_addralign; /* address alignment */
Elf32_Word sh_entsize; /* section entry size */
} Elf32_Shdr;
typedef struct {
Elf64_Word sh_name; /* section name */
Elf64_Word sh_type; /* section type */
Elf64_Xword sh_flags; /* section flags */
Elf64_Addr sh_addr; /* virtual address */
Elf64_Off sh_offset; /* file offset */
Elf64_Xword sh_size; /* section size */
Elf64_Word sh_link; /* link to another */
Elf64_Word sh_info; /* misc info */
Elf64_Xword sh_addralign; /* memory alignment */
Elf64_Xword sh_entsize; /* table entry size */
} Elf64_Shdr;
// -------------------------------------------------------------------------
/* Special Section Indexes */
#define SHN_UNDEF 0 /* undefined */
#define SHN_LORESERVE 0xff00 /* lower bounds of reserved indexes */
#define SHN_LOPROC 0xff00 /* reserved range for processor */
#define SHN_HIPROC 0xff1f /* specific section indexes */
#define SHN_LOOS 0xff20 /* reserved range for operating */
#define SHN_HIOS 0xff3f /* system specific section indexes */
#define SHN_ABS 0xfff1 /* absolute value */
#define SHN_COMMON 0xfff2 /* common symbol */
#define SHN_XINDEX 0xffff /* escape value for oversize index */
#define SHN_HIRESERVE 0xffff /* upper bounds of reserved indexes */
// -------------------------------------------------------------------------
/* sh_type */
#define SHT_NULL 0 /* inactive */
#define SHT_PROGBITS 1 /* program defined information */
#define SHT_SYMTAB 2 /* symbol table section */
#define SHT_STRTAB 3 /* string table section */
#define SHT_RELA 4 /* relocation section with addends*/
#define SHT_HASH 5 /* symbol hash table section */
#define SHT_DYNAMIC 6 /* dynamic section */
#define SHT_NOTE 7 /* note section */
#define SHT_NOBITS 8 /* no space section */
#define SHT_REL 9 /* relation section without addends */
#define SHT_SHLIB 10 /* reserved - purpose unknown */
#define SHT_DYNSYM 11 /* dynamic symbol table section */
#define SHT_INIT_ARRAY 14 /* init procedure array */
#define SHT_FINI_ARRAY 15 /* fini procedure array */
#define SHT_PREINIT_ARRAY 16 /* preinit procedure array */
#define SHT_GROUP 17 /* section group */
#define SHT_SYMTAB_SHNDX 18 /* oversize index table */
#define SHT_NUM 19 /* number of section types */
#define SHT_LOOS 0x60000000 /* reserved range for O/S */
#define SHT_HIOS 0x6fffffff /* specific section header types */
#define SHT_LOPROC 0x70000000 /* reserved range for processor */
#define SHT_HIPROC 0x7fffffff /* specific section header types */
#define SHT_LOUSER 0x80000000 /* reserved range for application */
#define SHT_HIUSER 0xffffffff /* specific indexes */
// -------------------------------------------------------------------------
/* Section names */
#define ELF_BSS ".bss" /* uninitialized data */
#define ELF_DATA ".data" /* initialized data */
#define ELF_DEBUG ".debug" /* debug */
#define ELF_DYNAMIC ".dynamic" /* dynamic linking information */
#define ELF_DYNSTR ".dynstr" /* dynamic string table */
#define ELF_DYNSYM ".dynsym" /* dynamic symbol table */
#define ELF_FINI ".fini" /* termination code */
#define ELF_GOT ".got" /* global offset table */
#define ELF_HASH ".hash" /* symbol hash table */
#define ELF_INIT ".init" /* initialization code */
#define ELF_REL_DATA ".rel.data" /* relocation data */
#define ELF_REL_FINI ".rel.fini" /* relocation termination code */
#define ELF_REL_INIT ".rel.init" /* relocation initialization code */
#define ELF_REL_DYN ".rel.dyn" /* relocaltion dynamic link info */
#define ELF_REL_RODATA ".rel.rodata" /* relocation read-only data */
#define ELF_REL_TEXT ".rel.text" /* relocation code */
#define ELF_RODATA ".rodata" /* read-only data */
#define ELF_SHSTRTAB ".shstrtab" /* section header string table */
#define ELF_STRTAB ".strtab" /* string table */
#define ELF_SYMTAB ".symtab" /* symbol table */
#define ELF_TEXT ".text" /* code */
// -------------------------------------------------------------------------
/* Section Attribute Flags - sh_flags */
#define SHF_WRITE 0x001 /* Writable */
#define SHF_ALLOC 0x002 /* occupies memory */
#define SHF_EXECINSTR 0x004 /* executable */
#define SHF_MERGE 0x010 /* merge data */
#define SHF_STRINGS 0x020 /* contains strings */
#define SHF_INFO_LINK 0x040 /* link in sh_info field */
#define SHF_LINK_ORDER 0x080 /* preserve link order */
#define SHF_OS_NONCONFORMING 0x100 /* special OS-specific */
/* processing needed */
#define SHF_GROUP 0x200 /* member of group */
#define SHF_MASKOS 0x0ff00000 /* reserved bits for OS */
/* specific section attributes */
#define SHF_MASKPROC 0xf0000000 /* reserved bits for processor */
/* specific section attributes */
// -------------------------------------------------------------------------
/* Symbol Table Entry */
typedef struct {
Elf32_Word st_name; /* name - index into string table */
Elf32_Addr st_value; /* symbol value */
Elf32_Word st_size; /* symbol size */
unsigned char st_info; /* type and binding */
unsigned char st_other; /* visibility */
Elf32_Half st_shndx; /* section header index */
} Elf32_Sym;
typedef struct {
Elf64_Word st_name; /* Symbol name index in str table */
unsigned char st_info; /* type / binding attrs */
unsigned char st_other; /* visibility */
Elf64_Half st_shndx; /* section index of symbol */
Elf64_Addr st_value; /* value of symbol */
Elf64_Xword st_size; /* size of symbol */
} Elf64_Sym;
// -------------------------------------------------------------------------
/* Symbol table index */
#define STN_UNDEF 0 /* undefined */
/* Extract symbol info - st_info */
#define ELF32_ST_BIND(x) ((x) >> 4)
#define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf)
#define ELF32_ST_INFO(b,t) (((b) << 4) + ((t) & 0xf))
#define ELF64_ST_BIND(x) ((x) >> 4)
#define ELF64_ST_TYPE(x) (((unsigned int) x) & 0xf)
#define ELF64_ST_INFO(b,t) (((b) << 4) + ((t) & 0xf))
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