testing/build.test1/mingw32_help/include/sys/elf64.h

   1 /*-
   2  * Copyright (c) 1996-1998 John D. Polstra.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/sys/sys/elf64.h,v 1.10 2002/05/30 08:32:18 dfr Exp $
  27  */
  28
  29 #ifndef _SYS_ELF64_H_
  30 #define _SYS_ELF64_H_ 1
  31
  32 #include <sys/elf_common.h>
  33
  34 /*
  35  * ELF definitions common to all 64-bit architectures.
  36  */
  37
  38 typedef uint64_t        Elf64_Addr;
  39 typedef uint16_t        Elf64_Half;
  40 typedef uint32_t        Elf64_Word;
  41 typedef int32_t         Elf64_Sword;
  42 typedef uint64_t        Elf64_Xword;
  43 typedef int64_t         Elf64_Sxword;
  44 typedef uint64_t        Elf64_Off;
  45 typedef uint16_t        Elf64_Section;
  46 typedef Elf64_Half      Elf64_Versym;
  47 typedef uint16_t        Elf64_Quarter;
  48
  49 /*
  50  * Types of dynamic symbol hash table bucket and chain elements.
  51  *
  52  * This is inconsistent among 64 bit architectures, so a machine dependent
  53  * typedef is required.
  54  */
  55
  56 #ifdef __alpha__
  57 typedef Elf64_Off       Elf64_Hashelt;
  58 #else
  59 typedef Elf64_Half      Elf64_Hashelt;
  60 #endif
  61
  62 /*
  63  * ELF header.
  64  */
  65
  66 typedef struct {
  67         unsigned char   e_ident[EI_NIDENT];     /* File identification. */
  68         Elf64_Half      e_type;         /* File type. */
  69         Elf64_Half      e_machine;      /* Machine architecture. */
  70         Elf64_Word      e_version;      /* ELF format version. */
  71         Elf64_Addr      e_entry;        /* Entry point. */
  72         Elf64_Off       e_phoff;        /* Program header file offset. */
  73         Elf64_Off       e_shoff;        /* Section header file offset. */
  74         Elf64_Word      e_flags;        /* Architecture-specific flags. */
  75         Elf64_Half      e_ehsize;       /* Size of ELF header in bytes. */
  76         Elf64_Half      e_phentsize;    /* Size of program header entry. */
  77         Elf64_Half      e_phnum;        /* Number of program header entries. */
  78         Elf64_Half      e_shentsize;    /* Size of section header entry. */
  79         Elf64_Half      e_shnum;        /* Number of section header entries. */
  80         Elf64_Half      e_shstrndx;     /* Section name strings section. */
  81 } Elf64_Ehdr;
  82
  83 /*
  84  * Section header.
  85  */
  86
  87 typedef struct {
  88         Elf64_Word      sh_name;        /* Section name (index into the
  89                                            section header string table). */
  90         Elf64_Word      sh_type;        /* Section type. */
  91         Elf64_Xword     sh_flags;       /* Section flags. */
  92         Elf64_Addr      sh_addr;        /* Address in memory image. */
  93         Elf64_Off       sh_offset;      /* Offset in file. */
  94         Elf64_Xword     sh_size;        /* Size in bytes. */
  95         Elf64_Word      sh_link;        /* Index of a related section. */
  96         Elf64_Word      sh_info;        /* Depends on section type. */
  97         Elf64_Xword     sh_addralign;   /* Alignment in bytes. */
  98         Elf64_Xword     sh_entsize;     /* Size of each entry in section. */
  99 } Elf64_Shdr;
 100
 101 /*
 102  * Program header.
 103  */
 104
 105 typedef struct {
 106         Elf64_Word      p_type;         /* Entry type. */
 107         Elf64_Word      p_flags;        /* Access permission flags. */
 108         Elf64_Off       p_offset;       /* File offset of contents. */
 109         Elf64_Addr      p_vaddr;        /* Virtual address in memory image. */
 110         Elf64_Addr      p_paddr;        /* Physical address (not used). */
 111         Elf64_Xword     p_filesz;       /* Size of contents in file. */
 112         Elf64_Xword     p_memsz;        /* Size of contents in memory. */
 113         Elf64_Xword     p_align;        /* Alignment in memory and file. */
 114 } Elf64_Phdr;
 115
 116 /*
 117  * Dynamic structure.  The ".dynamic" section contains an array of them.
 118  */
 119
 120 typedef struct {
 121         Elf64_Sxword    d_tag;          /* Entry type. */
 122         union {
 123                 Elf64_Xword     d_val;  /* Integer value. */
 124                 Elf64_Addr      d_ptr;  /* Address value. */
 125         } d_un;
 126 } Elf64_Dyn;
 127
 128 /*
 129  * Relocation entries.
 130  */
 131
 132 /* Relocations that don't need an addend field. */
 133 typedef struct {
 134         Elf64_Addr      r_offset;       /* Location to be relocated. */
 135         Elf64_Xword     r_info;         /* Relocation type and symbol index. */
 136 } Elf64_Rel;
 137
 138 /* Relocations that need an addend field. */
 139 typedef struct {
 140         Elf64_Addr      r_offset;       /* Location to be relocated. */
 141         Elf64_Xword     r_info;         /* Relocation type and symbol index. */
 142         Elf64_Sxword    r_addend;       /* Addend. */
 143 } Elf64_Rela;
 144
 145 /* Macros for accessing the fields of r_info. */
 146 #define ELF64_R_SYM(info)       ((info) >> 32)
 147 #define ELF64_R_TYPE(info)      ((unsigned char)(info))
 148
 149 /* Macro for constructing r_info from field values. */
 150 #define ELF64_R_INFO(sym, type) (((sym) << 32) + (unsigned char)(type))
 151
 152 /*
 153  * Symbol table entries.
 154  */
 155
 156 typedef struct {
 157         Elf64_Word      st_name;        /* String table index of name. */
 158         unsigned char   st_info;        /* Type and binding information. */
 159         unsigned char   st_other;       /* Reserved (not used). */
 160         Elf64_Section   st_shndx;       /* Section index of symbol. */
 161         Elf64_Addr      st_value;       /* Symbol value. */
 162         Elf64_Xword     st_size;        /* Size of associated object. */
 163 } Elf64_Sym;
 164
 165 /* Macros for accessing the fields of st_info. */
 166 #define ELF64_ST_BIND(info)             ((info) >> 4)
 167 #define ELF64_ST_TYPE(info)             ((info) & 0xf)
 168
 169 /* Macro for constructing st_info from field values. */
 170 #define ELF64_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
 171
 172 #endif /* !_SYS_ELF64_H_ */