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255 lines
7.9 KiB
C
255 lines
7.9 KiB
C
/** @file
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Ported ELF include files from FreeBSD
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Copyright (c) 2009 - 2010, Apple Inc. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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/*-
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* Copyright (c) 1996-1998 John D. Polstra.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD: src/sys/sys/elf64.h,v 1.10.14.2 2007/12/03 21:30:36 marius Exp $
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*/
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#ifndef _SYS_ELF64_H_
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#define _SYS_ELF64_H_ 1
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/*
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* ELF definitions common to all 64-bit architectures.
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*/
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typedef UINT64 Elf64_Addr;
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typedef UINT16 Elf64_Half;
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typedef UINT64 Elf64_Off;
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typedef INT32 Elf64_Sword;
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typedef INT64 Elf64_Sxword;
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typedef UINT32 Elf64_Word;
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typedef UINT64 Elf64_Lword;
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typedef UINT64 Elf64_Xword;
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/*
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* Types of dynamic symbol hash table bucket and chain elements.
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*
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* This is inconsistent among 64 bit architectures, so a machine dependent
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* typedef is required.
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*/
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typedef Elf64_Word Elf64_Hashelt;
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/* Non-standard class-dependent datatype used for abstraction. */
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typedef Elf64_Xword Elf64_Size;
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typedef Elf64_Sxword Elf64_Ssize;
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/*
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* ELF header.
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*/
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typedef struct {
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unsigned char e_ident[EI_NIDENT]; /* File identification. */
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Elf64_Half e_type; /* File type. */
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Elf64_Half e_machine; /* Machine architecture. */
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Elf64_Word e_version; /* ELF format version. */
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Elf64_Addr e_entry; /* Entry point. */
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Elf64_Off e_phoff; /* Program header file offset. */
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Elf64_Off e_shoff; /* Section header file offset. */
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Elf64_Word e_flags; /* Architecture-specific flags. */
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Elf64_Half e_ehsize; /* Size of ELF header in bytes. */
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Elf64_Half e_phentsize; /* Size of program header entry. */
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Elf64_Half e_phnum; /* Number of program header entries. */
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Elf64_Half e_shentsize; /* Size of section header entry. */
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Elf64_Half e_shnum; /* Number of section header entries. */
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Elf64_Half e_shstrndx; /* Section name strings section. */
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} Elf64_Ehdr;
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/*
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* Section header.
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*/
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typedef struct {
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Elf64_Word sh_name; /* Section name (index into the
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section header string table). */
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Elf64_Word sh_type; /* Section type. */
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Elf64_Xword sh_flags; /* Section flags. */
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Elf64_Addr sh_addr; /* Address in memory image. */
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Elf64_Off sh_offset; /* Offset in file. */
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Elf64_Xword sh_size; /* Size in bytes. */
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Elf64_Word sh_link; /* Index of a related section. */
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Elf64_Word sh_info; /* Depends on section type. */
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Elf64_Xword sh_addralign; /* Alignment in bytes. */
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Elf64_Xword sh_entsize; /* Size of each entry in section. */
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} Elf64_Shdr;
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/*
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* Program header.
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*/
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typedef struct {
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Elf64_Word p_type; /* Entry type. */
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Elf64_Word p_flags; /* Access permission flags. */
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Elf64_Off p_offset; /* File offset of contents. */
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Elf64_Addr p_vaddr; /* Virtual address in memory image. */
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Elf64_Addr p_paddr; /* Physical address (not used). */
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Elf64_Xword p_filesz; /* Size of contents in file. */
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Elf64_Xword p_memsz; /* Size of contents in memory. */
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Elf64_Xword p_align; /* Alignment in memory and file. */
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} Elf64_Phdr;
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/*
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* Dynamic structure. The ".dynamic" section contains an array of them.
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*/
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typedef struct {
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Elf64_Sxword d_tag; /* Entry type. */
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union {
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Elf64_Xword d_val; /* Integer value. */
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Elf64_Addr d_ptr; /* Address value. */
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} d_un;
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} Elf64_Dyn;
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/*
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* Relocation entries.
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*/
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/* Relocations that don't need an addend field. */
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typedef struct {
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Elf64_Addr r_offset; /* Location to be relocated. */
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Elf64_Xword r_info; /* Relocation type and symbol index. */
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} Elf64_Rel;
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/* Relocations that need an addend field. */
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typedef struct {
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Elf64_Addr r_offset; /* Location to be relocated. */
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Elf64_Xword r_info; /* Relocation type and symbol index. */
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Elf64_Sxword r_addend; /* Addend. */
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} Elf64_Rela;
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/* Macros for accessing the fields of r_info. */
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#define ELF64_R_SYM(info) ((info) >> 32)
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#define ELF64_R_TYPE(info) ((info) & 0xffffffffL)
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/* Macro for constructing r_info from field values. */
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#define ELF64_R_INFO(sym, type) (((sym) << 32) + ((type) & 0xffffffffL))
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#define ELF64_R_TYPE_DATA(info) (((Elf64_Xword)(info)<<32)>>40)
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#define ELF64_R_TYPE_ID(info) (((Elf64_Xword)(info)<<56)>>56)
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#define ELF64_R_TYPE_INFO(data, type) \
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(((Elf64_Xword)(data)<<8)+(Elf64_Xword)(type))
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/*
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* Note entry header
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*/
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typedef Elf_Note Elf64_Nhdr;
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/*
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* Move entry
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*/
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typedef struct {
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Elf64_Lword m_value; /* symbol value */
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Elf64_Xword m_info; /* size + index */
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Elf64_Xword m_poffset; /* symbol offset */
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Elf64_Half m_repeat; /* repeat count */
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Elf64_Half m_stride; /* stride info */
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} Elf64_Move;
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#define ELF64_M_SYM(info) ((info)>>8)
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#define ELF64_M_SIZE(info) ((unsigned char)(info))
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#define ELF64_M_INFO(sym, size) (((sym)<<8)+(unsigned char)(size))
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/*
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* Hardware/Software capabilities entry
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*/
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typedef struct {
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Elf64_Xword c_tag; /* how to interpret value */
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union {
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Elf64_Xword c_val;
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Elf64_Addr c_ptr;
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} c_un;
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} Elf64_Cap;
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/*
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* Symbol table entries.
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*/
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typedef struct {
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Elf64_Word st_name; /* String table index of name. */
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unsigned char st_info; /* Type and binding information. */
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unsigned char st_other; /* Reserved (not used). */
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Elf64_Half st_shndx; /* Section index of symbol. */
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Elf64_Addr st_value; /* Symbol value. */
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Elf64_Xword st_size; /* Size of associated object. */
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} Elf64_Sym;
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/* Macros for accessing the fields of st_info. */
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#define ELF64_ST_BIND(info) ((info) >> 4)
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#define ELF64_ST_TYPE(info) ((info) & 0xf)
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/* Macro for constructing st_info from field values. */
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#define ELF64_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
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/* Macro for accessing the fields of st_other. */
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#define ELF64_ST_VISIBILITY(oth) ((oth) & 0x3)
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/* Structures used by Sun & GNU-style symbol versioning. */
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typedef struct {
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Elf64_Half vd_version;
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Elf64_Half vd_flags;
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Elf64_Half vd_ndx;
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Elf64_Half vd_cnt;
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Elf64_Word vd_hash;
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Elf64_Word vd_aux;
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Elf64_Word vd_next;
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} Elf64_Verdef;
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typedef struct {
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Elf64_Word vda_name;
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Elf64_Word vda_next;
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} Elf64_Verdaux;
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typedef struct {
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Elf64_Half vn_version;
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Elf64_Half vn_cnt;
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Elf64_Word vn_file;
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Elf64_Word vn_aux;
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Elf64_Word vn_next;
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} Elf64_Verneed;
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typedef struct {
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Elf64_Word vna_hash;
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Elf64_Half vna_flags;
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Elf64_Half vna_other;
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Elf64_Word vna_name;
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Elf64_Word vna_next;
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} Elf64_Vernaux;
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typedef Elf64_Half Elf64_Versym;
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typedef struct {
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Elf64_Half si_boundto; /* direct bindings - symbol bound to */
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Elf64_Half si_flags; /* per symbol flags */
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} Elf64_Syminfo;
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#endif /* !_SYS_ELF64_H_ */
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