/*- * 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/elf64.h,v 1.10.14.1 2005/12/30 22:13:58 marcel Exp $ */ #ifndef _SYS_ELF64_H_ #define _SYS_ELF64_H_ 1 #include "elf_common.h" /* * ELF definitions common to all 64-bit architectures. */ typedef uint64_t Elf64_Addr; typedef uint16_t Elf64_Half; typedef uint64_t Elf64_Off; typedef int32_t Elf64_Sword; typedef int64_t Elf64_Sxword; typedef uint32_t Elf64_Word; typedef uint64_t Elf64_Xword; /* * Types of dynamic symbol hash table bucket and chain elements. * * This is inconsistent among 64 bit architectures, so a machine dependent * typedef is required. */ #ifdef __alpha__ typedef Elf64_Off Elf64_Hashelt; #else typedef Elf64_Word Elf64_Hashelt; #endif /* Non-standard class-dependent datatype used for abstraction. */ typedef Elf64_Xword Elf64_Size; typedef Elf64_Sxword Elf64_Ssize; /* * ELF header. */ 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; /* * Section header. */ typedef struct { Elf64_Word sh_name; /* Section name (index into the section header string table). */ Elf64_Word sh_type; /* Section type. */ Elf64_Xword sh_flags; /* Section flags. */ Elf64_Addr sh_addr; /* Address in memory image. */ Elf64_Off sh_offset; /* Offset in file. */ Elf64_Xword sh_size; /* Size in bytes. */ Elf64_Word sh_link; /* Index of a related section. */ Elf64_Word sh_info; /* Depends on section type. */ Elf64_Xword sh_addralign; /* Alignment in bytes. */ Elf64_Xword sh_entsize; /* Size of each entry in section. */ } Elf64_Shdr; /* * Program header. */ 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 in memory image. */ Elf64_Addr p_paddr; /* Physical address (not used). */ Elf64_Xword p_filesz; /* Size of contents in file. */ Elf64_Xword p_memsz; /* Size of contents in memory. */ Elf64_Xword p_align; /* Alignment in memory and file. */ } Elf64_Phdr; /* * Dynamic structure. The ".dynamic" section contains an array of them. */ typedef struct { Elf64_Sxword d_tag; /* Entry type. */ union { Elf64_Xword d_val; /* Integer value. */ Elf64_Addr d_ptr; /* Address value. */ } d_un; } Elf64_Dyn; /* * Relocation entries. */ /* Relocations that don't need an addend field. */ typedef struct { Elf64_Addr r_offset; /* Location to be relocated. */ Elf64_Xword r_info; /* Relocation type and symbol index. */ } Elf64_Rel; /* Relocations that need an addend field. */ typedef struct { Elf64_Addr r_offset; /* Location to be relocated. */ Elf64_Xword r_info; /* Relocation type and symbol index. */ Elf64_Sxword r_addend; /* Addend. */ } Elf64_Rela; /* Macros for accessing the fields of r_info. */ #define ELF64_R_SYM(info) ((info) >> 32) #define ELF64_R_TYPE(info) ((info) & 0xffffffffL) /* Macro for constructing r_info from field values. */ #define ELF64_R_INFO(sym, type) (((sym) << 32) + ((type) & 0xffffffffL)) /* * Symbol table entries. */ typedef struct { Elf64_Word st_name; /* String table index of name. */ unsigned char st_info; /* Type and binding information. */ unsigned char st_other; /* Reserved (not used). */ Elf64_Half st_shndx; /* Section index of symbol. */ Elf64_Addr st_value; /* Symbol value. */ Elf64_Xword st_size; /* Size of associated object. */ } Elf64_Sym; /* Macros for accessing the fields of st_info. */ #define ELF64_ST_BIND(info) ((info) >> 4) #define ELF64_ST_TYPE(info) ((info) & 0xf) /* Macro for constructing st_info from field values. */ #define ELF64_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) /* Macro for accessing the fields of st_other. */ #define ELF64_ST_VISIBILITY(oth) ((oth) & 0x3) #endif /* !_SYS_ELF64_H_ */