diff --git a/src/include/elf.h b/src/include/elf.h index 04022b68..18f755a2 100644 --- a/src/include/elf.h +++ b/src/include/elf.h @@ -1,234 +1,81 @@ #ifndef ELF_H #define ELF_H -FILE_LICENCE ( GPL2_OR_LATER ); +/** + * @file + * + * ELF headers + * + */ -#define EI_NIDENT 16 /* Size of e_ident array. */ - -/* Values for e_type. */ -#define ET_NONE 0 /* No file type */ -#define ET_REL 1 /* Relocatable file */ -#define ET_EXEC 2 /* Executable file */ -#define ET_DYN 3 /* Shared object file */ -#define ET_CORE 4 /* Core file */ - -/* Values for e_machine (architecute). */ -#define EM_NONE 0 /* No machine */ -#define EM_M32 1 /* AT&T WE 32100 */ -#define EM_SPARC 2 /* SUN SPARC */ -#define EM_386 3 /* Intel 80386+ */ -#define EM_68K 4 /* Motorola m68k family */ -#define EM_88K 5 /* Motorola m88k family */ -#define EM_486 6 /* Perhaps disused */ -#define EM_860 7 /* Intel 80860 */ -#define EM_MIPS 8 /* MIPS R3000 big-endian */ -#define EM_S370 9 /* IBM System/370 */ -#define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */ - -#define EM_PARISC 15 /* HPPA */ -#define EM_VPP500 17 /* Fujitsu VPP500 */ -#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ -#define EM_960 19 /* Intel 80960 */ -#define EM_PPC 20 /* PowerPC */ -#define EM_PPC64 21 /* PowerPC 64-bit */ -#define EM_S390 22 /* IBM S390 */ - -#define EM_V800 36 /* NEC V800 series */ -#define EM_FR20 37 /* Fujitsu FR20 */ -#define EM_RH32 38 /* TRW RH-32 */ -#define EM_RCE 39 /* Motorola RCE */ -#define EM_ARM 40 /* ARM */ -#define EM_FAKE_ALPHA 41 /* Digital Alpha */ -#define EM_SH 42 /* Hitachi SH */ -#define EM_SPARCV9 43 /* SPARC v9 64-bit */ -#define EM_TRICORE 44 /* Siemens Tricore */ -#define EM_ARC 45 /* Argonaut RISC Core */ -#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 Merced */ -#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 embeeded RISC */ -#define EM_NDR1 57 /* Denso NDR1 microprocessor */ -#define EM_STARCORE 58 /* Motorola Start*Core processor */ -#define EM_ME16 59 /* Toyota ME16 processor */ -#define EM_ST100 60 /* STMicroelectronic ST100 processor */ -#define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/ -#define EM_X86_64 62 /* AMD x86-64 architecture */ -#define EM_PDSP 63 /* Sony DSP Processor */ - -#define EM_FX66 66 /* Siemens FX66 microcontroller */ -#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */ -#define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */ -#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_AT19 74 /* STMicroelectronics ST19 8 bit mc */ -#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 */ -#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ -#define EM_FR30 84 /* Fujitsu FR30 */ -#define EM_D10V 85 /* Mitsubishi D10V */ -#define EM_D30V 86 /* Mitsubishi D30V */ -#define EM_V850 87 /* NEC v850 */ -#define EM_M32R 88 /* Mitsubishi M32R */ -#define EM_MN10300 89 /* Matsushita MN10300 */ -#define EM_MN10200 90 /* Matsushita MN10200 */ -#define EM_PJ 91 /* picoJava */ -#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ -#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ -#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ -#define EM_NUM 95 - -/* Values for p_type. */ -#define PT_NULL 0 /* Unused entry. */ -#define PT_LOAD 1 /* Loadable segment. */ -#define PT_DYNAMIC 2 /* Dynamic linking information segment. */ -#define PT_INTERP 3 /* Pathname of interpreter. */ -#define PT_NOTE 4 /* Auxiliary information. */ -#define PT_SHLIB 5 /* Reserved (not used). */ -#define PT_PHDR 6 /* Location of program header itself. */ - -/* Values for p_flags. */ -#define PF_X 0x1 /* Executable. */ -#define PF_W 0x2 /* Writable. */ -#define PF_R 0x4 /* Readable. */ - - -#define ELF_PROGRAM_RETURNS_BIT 0x8000000 /* e_flags bit 31 */ - -#define EI_MAG0 0 -#define ELFMAG0 0x7f - -#define EI_MAG1 1 -#define ELFMAG1 'E' - -#define EI_MAG2 2 -#define ELFMAG2 'L' - -#define EI_MAG3 3 -#define ELFMAG3 'F' - -#define ELFMAG "\177ELF" -#define SELFMAG 4 - -#define EI_CLASS 4 /* File class byte index */ -#define ELFCLASSNONE 0 /* Invalid class */ -#define ELFCLASS32 1 /* 32-bit objects */ -#define ELFCLASS64 2 /* 64-bit objects */ - -#define EI_DATA 5 /* Data encodeing byte index */ -#define ELFDATANONE 0 /* Invalid data encoding */ -#define ELFDATA2LSB 1 /* 2's complement little endian */ -#define ELFDATA2MSB 2 /* 2's complement big endian */ - -#define EI_VERSION 6 /* File version byte index */ - /* Value must be EV_CURRENT */ - -#define EV_NONE 0 /* Invalid ELF Version */ -#define EV_CURRENT 1 /* Current version */ - -#define ELF32_PHDR_SIZE (8*4) /* Size of an elf program header */ - -#ifndef ASSEMBLY +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include -/* - * ELF definitions common to all 32-bit architectures. - */ +typedef uint32_t Elf32_Addr; +typedef uint16_t Elf32_Half; +typedef uint32_t Elf32_Off; +typedef int32_t Elf32_Sword; +typedef uint32_t Elf32_Word; -typedef uint32_t Elf32_Addr; -typedef uint16_t Elf32_Half; -typedef uint32_t Elf32_Off; -typedef int32_t Elf32_Sword; -typedef uint32_t Elf32_Word; -typedef uint32_t Elf32_Size; +/** Length of ELF identifier */ +#define EI_NIDENT 16 -typedef uint64_t Elf64_Addr; -typedef uint16_t Elf64_Half; -typedef uint64_t Elf64_Off; -typedef int32_t Elf64_Sword; -typedef uint32_t Elf64_Word; -typedef uint64_t Elf64_Size; - -/* - * ELF header. - */ +/** ELF header */ typedef struct { - unsigned char e_ident[EI_NIDENT]; /* File identification. */ - Elf32_Half e_type; /* File type. */ - Elf32_Half e_machine; /* Machine architecture. */ - Elf32_Word e_version; /* ELF format version. */ - Elf32_Addr e_entry; /* Entry point. */ - Elf32_Off e_phoff; /* Program header file offset. */ - Elf32_Off e_shoff; /* Section header file offset. */ - Elf32_Word e_flags; /* Architecture-specific flags. */ - Elf32_Half e_ehsize; /* Size of ELF header in bytes. */ - Elf32_Half e_phentsize; /* Size of program header entry. */ - Elf32_Half e_phnum; /* Number of program header entries. */ - Elf32_Half e_shentsize; /* Size of section header entry. */ - Elf32_Half e_shnum; /* Number of section header entries. */ - Elf32_Half e_shstrndx; /* Section name strings section. */ + unsigned char e_ident[EI_NIDENT]; + Elf32_Half e_type; + Elf32_Half e_machine; + Elf32_Word e_version; + Elf32_Addr e_entry; + 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 { - unsigned char e_ident[EI_NIDENT]; /* File identification. */ - Elf64_Half e_type; /* File type. */ - Elf64_Half e_machine; /* Machine architecture. */ - Elf64_Word e_version; /* ELF format version. */ - Elf64_Addr e_entry; /* Entry point. */ - Elf64_Off e_phoff; /* Program header file offset. */ - Elf64_Off e_shoff; /* Section header file offset. */ - Elf64_Word e_flags; /* Architecture-specific flags. */ - Elf64_Half e_ehsize; /* Size of ELF header in bytes. */ - Elf64_Half e_phentsize; /* Size of program header entry. */ - Elf64_Half e_phnum; /* Number of program header entries. */ - Elf64_Half e_shentsize; /* Size of section header entry. */ - Elf64_Half e_shnum; /* Number of section header entries. */ - Elf64_Half e_shstrndx; /* Section name strings section. */ -} Elf64_Ehdr; +/* ELF identifier indexes */ +#define EI_MAG0 0 +#define EI_MAG1 1 +#define EI_MAG2 2 +#define EI_MAG3 3 +#define EI_CLASS 4 +#define EI_DATA 5 +#define EI_VERSION 6 -/* - * Program header. - */ +/* ELF magic signature bytes */ +#define ELFMAG0 0x7f +#define ELFMAG1 'E' +#define ELFMAG2 'L' +#define ELFMAG3 'F' + +/* ELF classes */ +#define ELFCLASS32 1 + +/* ELF data encodings */ +#define ELFDATA2LSB 1 + +/* ELF versions */ +#define EV_CURRENT 1 + +/** ELF program header */ typedef struct { - Elf32_Word p_type; /* Entry type. */ - Elf32_Off p_offset; /* File offset of contents. */ - Elf32_Addr p_vaddr; /* Virtual address (not used). */ - Elf32_Addr p_paddr; /* Physical address. */ - Elf32_Size p_filesz; /* Size of contents in file. */ - Elf32_Size p_memsz; /* Size of contents in memory. */ - Elf32_Word p_flags; /* Access permission flags. */ - Elf32_Size p_align; /* Alignment in memory and file. */ + 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_Word p_type; /* Entry type. */ - Elf64_Word p_flags; /* Access permission flags. */ - Elf64_Off p_offset; /* File offset of contents. */ - Elf64_Addr p_vaddr; /* Virtual address (not used). */ - Elf64_Addr p_paddr; /* Physical address. */ - Elf64_Size p_filesz; /* Size of contents in file. */ - Elf64_Size p_memsz; /* Size of contents in memory. */ - Elf64_Size p_align; /* Alignment in memory and file. */ -} Elf64_Phdr; - -/* Standardized Elf image notes for booting... The name for all of these is ELFBoot */ - -#endif /* ASSEMBLY */ +/* ELF segment types */ +#define PT_LOAD 1 #endif /* ELF_H */