elf32.h
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上传日期:2014-04-03
资源大小:7248k
文件大小:5k
源码类别:
Windows CE
开发平台:
C/C++
- /*-
- * Copyright (c) 1996-1998 John D. Polstra.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD: src/sys/sys/elf32.h,v 1.8 2002/05/30 08:32:18 dfr Exp $
- */
- #ifndef _SYS_ELF32_H_
- #define _SYS_ELF32_H_ 1
- #include <stdint.h>
- #include "elf_common.h"
- /*
- * 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_Size;
- typedef Elf32_Off Elf32_Hashelt;
- /*
- * 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. */
- } Elf32_Ehdr;
- /*
- * Section header.
- */
- typedef struct {
- Elf32_Word sh_name; /* Section name (index into the
- section header string table). */
- Elf32_Word sh_type; /* Section type. */
- Elf32_Word sh_flags; /* Section flags. */
- Elf32_Addr sh_addr; /* Address in memory image. */
- Elf32_Off sh_offset; /* Offset in file. */
- Elf32_Size sh_size; /* Size in bytes. */
- Elf32_Word sh_link; /* Index of a related section. */
- Elf32_Word sh_info; /* Depends on section type. */
- Elf32_Size sh_addralign; /* Alignment in bytes. */
- Elf32_Size sh_entsize; /* Size of each entry in section. */
- } Elf32_Shdr;
- /*
- * Program header.
- */
- typedef struct {
- Elf32_Word p_type; /* Entry type. */
- Elf32_Off p_offset; /* File offset of contents. */
- Elf32_Addr p_vaddr; /* Virtual address in memory image. */
- Elf32_Addr p_paddr; /* Physical address (not used). */
- 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_Phdr;
- /*
- * Dynamic structure. The ".dynamic" section contains an array of them.
- */
- typedef struct {
- Elf32_Sword d_tag; /* Entry type. */
- union {
- Elf32_Size d_val; /* Integer value. */
- Elf32_Addr d_ptr; /* Address value. */
- } d_un;
- } Elf32_Dyn;
- /*
- * Relocation entries.
- */
- /* Relocations that don't need an addend field. */
- typedef struct {
- Elf32_Addr r_offset; /* Location to be relocated. */
- Elf32_Word r_info; /* Relocation type and symbol index. */
- } Elf32_Rel;
- /* Relocations that need an addend field. */
- typedef struct {
- Elf32_Addr r_offset; /* Location to be relocated. */
- Elf32_Word r_info; /* Relocation type and symbol index. */
- Elf32_Sword r_addend; /* Addend. */
- } Elf32_Rela;
- /* Macros for accessing the fields of r_info. */
- #define ELF32_R_SYM(info) ((info) >> 8)
- #define ELF32_R_TYPE(info) ((unsigned char)(info))
- /* Macro for constructing r_info from field values. */
- #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
- /*
- * Symbol table entries.
- */
- typedef struct {
- Elf32_Word st_name; /* String table index of name. */
- Elf32_Addr st_value; /* Symbol value. */
- Elf32_Size st_size; /* Size of associated object. */
- unsigned char st_info; /* Type and binding information. */
- unsigned char st_other; /* Reserved (not used). */
- Elf32_Half st_shndx; /* Section index of symbol. */
- } Elf32_Sym;
- /* Macros for accessing the fields of st_info. */
- #define ELF32_ST_BIND(info) ((info) >> 4)
- #define ELF32_ST_TYPE(info) ((info) & 0xf)
- /* Macro for constructing st_info from field values. */
- #define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
- #endif /* !_SYS_ELF32_H_ */