331 lines
7.5 KiB
C
Executable File
331 lines
7.5 KiB
C
Executable File
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#ifndef _SYS_ELF_H
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#define _SYS_ELF_H
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#pragma ident "@(#)elf.h 1.20 94/10/23 SMI" /* SVr4.0 1.4 */
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#include <sys/elftypes.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ELF32_FSZ_ADDR 4
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#define ELF32_FSZ_HALF 2
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#define ELF32_FSZ_OFF 4
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#define ELF32_FSZ_SWORD 4
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#define ELF32_FSZ_WORD 4
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/*
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* "Enumerations" below use ...NUM as the number of
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* values in the list. It should be 1 greater than the
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* highest "real" value.
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*/
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/*
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* ELF header
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*/
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#define EI_NIDENT 16
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typedef struct {
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unsigned char e_ident[EI_NIDENT]; /* ident bytes */
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Elf32_Half e_type; /* file type */
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Elf32_Half e_machine; /* target machine */
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Elf32_Word e_version; /* file version */
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Elf32_Addr e_entry; /* start address */
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Elf32_Off e_phoff; /* phdr file offset */
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Elf32_Off e_shoff; /* shdr file offset */
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Elf32_Word e_flags; /* file flags */
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Elf32_Half e_ehsize; /* sizeof ehdr */
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Elf32_Half e_phentsize; /* sizeof phdr */
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Elf32_Half e_phnum; /* number phdrs */
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Elf32_Half e_shentsize; /* sizeof shdr */
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Elf32_Half e_shnum; /* number shdrs */
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Elf32_Half e_shstrndx; /* shdr string index */
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} Elf32_Ehdr;
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#define EI_MAG0 0 /* e_ident[] indexes */
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#define EI_MAG1 1
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#define EI_MAG2 2
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#define EI_MAG3 3
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#define EI_CLASS 4
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#define EI_DATA 5
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#define EI_VERSION 6
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#define EI_PAD 7
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#define ELFMAG0 0x7f /* EI_MAG */
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#define ELFMAG1 'E'
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#define ELFMAG2 'L'
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#define ELFMAG3 'F'
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#define ELFMAG "\177ELF"
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#define SELFMAG 4
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#define ELFCLASSNONE 0 /* EI_CLASS */
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#define ELFCLASS32 1
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#define ELFCLASS64 2
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#define ELFCLASSNUM 3
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#define ELFDATANONE 0 /* EI_DATA */
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#define ELFDATA2LSB 1
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#define ELFDATA2MSB 2
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#define ELFDATANUM 3
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#define ET_NONE 0 /* e_type */
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#define ET_REL 1
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#define ET_EXEC 2
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#define ET_DYN 3
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#define ET_CORE 4
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#define ET_NUM 5
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#define ET_LOPROC 0xff00 /* processor specific range */
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#define ET_HIPROC 0xffff
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#define EM_NONE 0 /* e_machine */
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#define EM_M32 1 /* AT&T WE 32100 */
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#define EM_SPARC 2 /* Sun SPARC */
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#define EM_386 3 /* Intel 80386 */
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#define EM_68K 4 /* Motorola 68000 */
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#define EM_88K 5 /* Motorola 88000 */
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#define EM_486 6 /* Intel 80486 */
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#define EM_860 7 /* Intel i860 */
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#define EM_MIPS 8 /* MIPS RS3000 Big-Endian */
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#define EM_UNKNOWN9 9
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#define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-Endian */
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#define EM_RS6000 11 /* RS6000 */
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#define EM_UNKNOWN12 12
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#define EM_UNKNOWN13 13
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#define EM_UNKNOWN14 14
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#define EM_PA_RISC 15 /* PA-RISC */
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#define EM_nCUBE 16 /* nCUBE */
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#define EM_VPP500 17 /* Fujitsu VPP500 */
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#define EM_SPARC32PLUS 18 /* Sun SPARC 32+ */
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#define EM_NUM 19
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#define EV_NONE 0 /* e_version, EI_VERSION */
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#define EV_CURRENT 1
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#define EV_NUM 2
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/*
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* Program header
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*/
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typedef struct {
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Elf32_Word p_type; /* entry type */
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Elf32_Off p_offset; /* file offset */
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Elf32_Addr p_vaddr; /* virtual address */
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Elf32_Addr p_paddr; /* physical address */
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Elf32_Word p_filesz; /* file size */
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Elf32_Word p_memsz; /* memory size */
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Elf32_Word p_flags; /* entry flags */
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Elf32_Word p_align; /* memory/file alignment */
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} Elf32_Phdr;
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#define PT_NULL 0 /* p_type */
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#define PT_LOAD 1
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#define PT_DYNAMIC 2
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#define PT_INTERP 3
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#define PT_NOTE 4
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#define PT_SHLIB 5
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#define PT_PHDR 6
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#define PT_NUM 7
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#define PT_LOPROC 0x70000000 /* processor specific range */
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#define PT_HIPROC 0x7fffffff
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#define PF_R 0x4 /* p_flags */
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#define PF_W 0x2
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#define PF_X 0x1
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#define PF_MASKPROC 0xf0000000 /* processor specific values */
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/*
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* Section header
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*/
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typedef struct {
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Elf32_Word sh_name; /* section name */
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Elf32_Word sh_type; /* SHT_... */
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Elf32_Word sh_flags; /* SHF_... */
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Elf32_Addr sh_addr; /* virtual address */
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Elf32_Off sh_offset; /* file offset */
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Elf32_Word sh_size; /* section size */
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Elf32_Word sh_link; /* misc info */
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Elf32_Word sh_info; /* misc info */
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Elf32_Word sh_addralign; /* memory alignment */
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Elf32_Word sh_entsize; /* entry size if table */
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} Elf32_Shdr;
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#define SHT_NULL 0 /* sh_type */
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#define SHT_PROGBITS 1
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#define SHT_SYMTAB 2
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#define SHT_STRTAB 3
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#define SHT_RELA 4
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#define SHT_HASH 5
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#define SHT_DYNAMIC 6
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#define SHT_NOTE 7
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#define SHT_NOBITS 8
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#define SHT_REL 9
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#define SHT_SHLIB 10
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#define SHT_DYNSYM 11
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#define SHT_NUM 12
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#define SHT_LOSUNW 0x6ffffffd
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#define SHT_SUNW_verdef 0x6ffffffd
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#define SHT_SUNW_verneed 0x6ffffffe
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#define SHT_SUNW_versym 0x6fffffff
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#define SHT_HISUNW 0x6fffffff
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#define SHT_LOPROC 0x70000000 /* processor specific range */
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#define SHT_HIPROC 0x7fffffff
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#define SHT_LOUSER 0x80000000
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#define SHT_HIUSER 0xffffffff
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#define SHF_WRITE 0x1 /* sh_flags */
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#define SHF_ALLOC 0x2
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#define SHF_EXECINSTR 0x4
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#define SHF_MASKPROC 0xf0000000 /* processor specific values */
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#define SHN_UNDEF 0 /* special section numbers */
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#define SHN_LORESERVE 0xff00
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#define SHN_ABS 0xfff1
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#define SHN_COMMON 0xfff2
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#define SHN_HIRESERVE 0xffff
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#define SHN_LOPROC 0xff00 /* processor specific range */
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#define SHN_HIPROC 0xff1f
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/*
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* Symbol table
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*/
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typedef struct {
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Elf32_Word st_name;
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Elf32_Addr st_value;
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Elf32_Word st_size;
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unsigned char st_info; /* bind, type: ELF_32_ST_... */
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unsigned char st_other;
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Elf32_Half st_shndx; /* SHN_... */
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} Elf32_Sym;
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#define STN_UNDEF 0
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/*
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* The macros compose and decompose values for S.st_info
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*
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* bind = ELF32_ST_BIND(S.st_info)
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* type = ELF32_ST_TYPE(S.st_info)
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* S.st_info = ELF32_ST_INFO(bind, type)
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*/
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#define ELF32_ST_BIND(info) ((info) >> 4)
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#define ELF32_ST_TYPE(info) ((info) & 0xf)
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#define ELF32_ST_INFO(bind, type) (((bind)<<4)+((type)&0xf))
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#define STB_LOCAL 0 /* BIND */
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#define STB_GLOBAL 1
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#define STB_WEAK 2
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#define STB_NUM 3
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#define STB_LOPROC 13 /* processor specific range */
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#define STB_HIPROC 15
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#define STT_NOTYPE 0 /* TYPE */
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#define STT_OBJECT 1
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#define STT_FUNC 2
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#define STT_SECTION 3
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#define STT_FILE 4
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#define STT_NUM 5
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#define STT_LOPROC 13 /* processor specific range */
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#define STT_HIPROC 15
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/*
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* Relocation
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*/
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typedef struct {
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Elf32_Addr r_offset;
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Elf32_Word r_info; /* sym, type: ELF32_R_... */
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} Elf32_Rel;
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typedef struct {
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Elf32_Addr r_offset;
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Elf32_Word r_info; /* sym, type: ELF32_R_... */
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Elf32_Sword r_addend;
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} Elf32_Rela;
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/*
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* The macros compose and decompose values for Rel.r_info, Rela.f_info
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*
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* sym = ELF32_R_SYM(R.r_info)
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* type = ELF32_R_TYPE(R.r_info)
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* R.r_info = ELF32_R_INFO(sym, type)
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*/
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#define ELF32_R_SYM(info) ((info)>>8)
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#define ELF32_R_TYPE(info) ((unsigned char)(info))
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#define ELF32_R_INFO(sym, type) (((sym)<<8)+(unsigned char)(type))
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/*
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* Note entry header
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*/
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typedef struct {
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Elf32_Word n_namesz; /* length of note's name */
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Elf32_Word n_descsz; /* length of note's "desc" */
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Elf32_Word n_type; /* type of note */
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} Elf32_Nhdr;
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/*
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* Known values for note entry types (e_type == ET_CORE)
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*/
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#define NT_PRSTATUS 1
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#define NT_PRFPREG 2
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#define NT_PRPSINFO 3
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#define NT_PRXREG 4
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#define NT_PLATFORM 5
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#define NT_AUXV 6
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/*
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* The following routines check and set the processor-specific
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* fields of an ELF header.
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*/
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int elfheadcheck(unsigned char, Elf32_Half, Elf32_Word);
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void elfheadset(unsigned char *, Elf32_Half *, Elf32_Word *);
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#ifdef __cplusplus
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}
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#endif
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#if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_M32)
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#include <sys/elf_M32.h>
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#endif
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#if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_SPARC)
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#include <sys/elf_SPARC.h>
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#endif
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#if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_386)
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#include <sys/elf_386.h>
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#endif
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#endif /* _SYS_ELF_H */
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