156 lines
3.7 KiB
C
156 lines
3.7 KiB
C
/*
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* Definitions needed for accessing ELF headers
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*/
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typedef struct {
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uchar ident[16]; /* ident bytes */
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ushort type; /* file type */
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ushort machine; /* target machine */
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int version; /* file version */
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ulong elfentry; /* start address */
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ulong phoff; /* phdr file offset */
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ulong shoff; /* shdr file offset */
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int flags; /* file flags */
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ushort ehsize; /* sizeof ehdr */
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ushort phentsize; /* sizeof phdr */
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ushort phnum; /* number phdrs */
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ushort shentsize; /* sizeof shdr */
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ushort shnum; /* number shdrs */
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ushort shstrndx; /* shdr string index */
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} Ehdr;
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typedef struct {
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u8int ident[16]; /* ident bytes */
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u16int type; /* file type */
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u16int machine; /* target machine */
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u32int version; /* file version */
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u64int elfentry; /* start address */
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u64int phoff; /* phdr file offset */
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u64int shoff; /* shdr file offset */
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u32int flags; /* file flags */
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u16int ehsize; /* sizeof ehdr */
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u16int phentsize; /* sizeof phdr */
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u16int phnum; /* number phdrs */
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u16int shentsize; /* sizeof shdr */
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u16int shnum; /* number shdrs */
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u16int shstrndx; /* shdr string index */
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} E64hdr;
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typedef struct {
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int type; /* entry type */
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ulong offset; /* file offset */
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ulong vaddr; /* virtual address */
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ulong paddr; /* physical address */
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int filesz; /* file size */
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ulong memsz; /* memory size */
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int flags; /* entry flags */
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int align; /* memory/file alignment */
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} Phdr;
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typedef struct {
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u32int type; /* entry type */
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u32int flags; /* entry flags */
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u64int offset; /* file offset */
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u64int vaddr; /* virtual address */
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u64int paddr; /* physical address */
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u64int filesz; /* file size */
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u64int memsz; /* memory size */
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u64int align; /* memory/file alignment */
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} P64hdr;
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typedef struct {
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ulong name; /* section name */
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ulong type; /* SHT_... */
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ulong flags; /* SHF_... */
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ulong addr; /* virtual address */
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ulong offset; /* file offset */
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ulong size; /* section size */
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ulong link; /* misc info */
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ulong info; /* misc info */
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ulong addralign; /* memory alignment */
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ulong entsize; /* entry size if table */
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} Shdr;
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typedef struct {
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u32int name; /* section name */
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u32int type; /* SHT_... */
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u64int flags; /* SHF_... */
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u64int addr; /* virtual address */
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u64int offset; /* file offset */
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u64int size; /* section size */
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u32int link; /* misc info */
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u32int info; /* misc info */
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u64int addralign; /* memory alignment */
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u64int entsize; /* entry size if table */
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} S64hdr;
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enum {
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/* Ehdr codes */
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MAG0 = 0, /* ident[] indexes */
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MAG1 = 1,
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MAG2 = 2,
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MAG3 = 3,
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CLASS = 4,
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DATA = 5,
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VERSION = 6,
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ELFCLASSNONE = 0, /* ident[CLASS] */
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ELFCLASS32 = 1,
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ELFCLASS64 = 2,
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ELFCLASSNUM = 3,
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ELFDATANONE = 0, /* ident[DATA] */
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ELFDATA2LSB = 1,
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ELFDATA2MSB = 2,
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ELFDATANUM = 3,
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NOETYPE = 0, /* type */
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REL = 1,
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EXEC = 2,
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DYN = 3,
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CORE = 4,
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NONE = 0, /* machine */
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M32 = 1, /* AT&T WE 32100 */
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SPARC = 2, /* Sun SPARC */
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I386 = 3, /* Intel 80386 */
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M68K = 4, /* Motorola 68000 */
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M88K = 5, /* Motorola 88000 */
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I486 = 6, /* Intel 80486 */
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I860 = 7, /* Intel i860 */
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MIPS = 8, /* Mips R2000 */
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S370 = 9, /* Amdhal */
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SPARC64 = 18, /* Sun SPARC v9 */
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POWER = 20, /* PowerPC */
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POWER64 = 21, /* PowerPC64 */
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ARM = 40, /* ARM */
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AMD64 = 62, /* Amd64 */
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ARM64 = 183, /* ARM64 */
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NO_VERSION = 0, /* version, ident[VERSION] */
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CURRENT = 1,
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/* Phdr Codes */
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NOPTYPE = 0, /* type */
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LOAD = 1,
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DYNAMIC = 2,
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INTERP = 3,
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NOTE = 4,
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SHLIB = 5,
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PHDR = 6,
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R = 0x4, /* flags */
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W = 0x2,
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X = 0x1,
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/* Shdr Codes */
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Progbits = 1, /* section types */
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Strtab = 3,
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Nobits = 8,
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Swrite = 1, /* section attributes */
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Salloc = 2,
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Sexec = 4,
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};
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#define ELF_MAG ((0x7f<<24) | ('E'<<16) | ('L'<<8) | 'F')
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