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- /* SPDX-License-Identifier: BSD-2-Clause */
- /*-
- * 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.
- *
- * $FreeBSD$
- */
- #ifndef _SYS_ELF64_H_
- #define _SYS_ELF64_H_ 1
- #include <elf_common.h>
- #include <stdint.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_Lword;
- 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.
- */
- typedef Elf64_Word Elf64_Hashelt;
- /* 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))
- #define ELF64_R_TYPE_DATA(info) (((Elf64_Xword)(info)<<32)>>40)
- #define ELF64_R_TYPE_ID(info) (((Elf64_Xword)(info)<<56)>>56)
- #define ELF64_R_TYPE_INFO(data, type) \
- (((Elf64_Xword)(data)<<8)+(Elf64_Xword)(type))
- /*
- * Note entry header
- */
- typedef Elf_Note Elf64_Nhdr;
- /*
- * Move entry
- */
- typedef struct {
- Elf64_Lword m_value; /* symbol value */
- Elf64_Xword m_info; /* size + index */
- Elf64_Xword m_poffset; /* symbol offset */
- Elf64_Half m_repeat; /* repeat count */
- Elf64_Half m_stride; /* stride info */
- } Elf64_Move;
- #define ELF64_M_SYM(info) ((info)>>8)
- #define ELF64_M_SIZE(info) ((unsigned char)(info))
- #define ELF64_M_INFO(sym, size) (((sym)<<8)+(unsigned char)(size))
- /*
- * Hardware/Software capabilities entry
- */
- typedef struct {
- Elf64_Xword c_tag; /* how to interpret value */
- union {
- Elf64_Xword c_val;
- Elf64_Addr c_ptr;
- } c_un;
- } Elf64_Cap;
- /*
- * 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)
- /* Structures used by Sun & GNU-style symbol versioning. */
- typedef struct {
- Elf64_Half vd_version;
- Elf64_Half vd_flags;
- Elf64_Half vd_ndx;
- Elf64_Half vd_cnt;
- Elf64_Word vd_hash;
- Elf64_Word vd_aux;
- Elf64_Word vd_next;
- } Elf64_Verdef;
- typedef struct {
- Elf64_Word vda_name;
- Elf64_Word vda_next;
- } Elf64_Verdaux;
- typedef struct {
- Elf64_Half vn_version;
- Elf64_Half vn_cnt;
- Elf64_Word vn_file;
- Elf64_Word vn_aux;
- Elf64_Word vn_next;
- } Elf64_Verneed;
- typedef struct {
- Elf64_Word vna_hash;
- Elf64_Half vna_flags;
- Elf64_Half vna_other;
- Elf64_Word vna_name;
- Elf64_Word vna_next;
- } Elf64_Vernaux;
- typedef Elf64_Half Elf64_Versym;
- typedef struct {
- Elf64_Half si_boundto; /* direct bindings - symbol bound to */
- Elf64_Half si_flags; /* per symbol flags */
- } Elf64_Syminfo;
- #endif /* !_SYS_ELF64_H_ */
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