The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/sys/elf32.h

Version: -  FREEBSD  -  FREEBSD11  -  FREEBSD10  -  FREEBSD9  -  FREEBSD92  -  FREEBSD91  -  FREEBSD90  -  FREEBSD8  -  FREEBSD82  -  FREEBSD81  -  FREEBSD80  -  FREEBSD7  -  FREEBSD74  -  FREEBSD73  -  FREEBSD72  -  FREEBSD71  -  FREEBSD70  -  FREEBSD6  -  FREEBSD64  -  FREEBSD63  -  FREEBSD62  -  FREEBSD61  -  FREEBSD60  -  FREEBSD5  -  FREEBSD55  -  FREEBSD54  -  FREEBSD53  -  FREEBSD52  -  FREEBSD51  -  FREEBSD50  -  FREEBSD4  -  FREEBSD3  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    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/elf32.h,v 1.7 1999/08/28 00:51:41 peter Exp $
   27  */
   28 
   29 #ifndef _SYS_ELF32_H_
   30 #define _SYS_ELF32_H_
   31 
   32 #ifndef _SYS_TYPES_H_
   33 #include <sys/types.h>
   34 #endif
   35 #ifndef _SYS_ELF_COMMON_H_
   36 #include <sys/elf_common.h>
   37 #endif
   38 
   39 /*
   40  * ELF definitions common to all 32-bit architectures.
   41  */
   42 
   43 typedef u_int32_t       Elf32_Addr;
   44 typedef u_int16_t       Elf32_Half;
   45 typedef u_int32_t       Elf32_Off;
   46 typedef int32_t         Elf32_Sword;
   47 typedef u_int32_t       Elf32_Word;
   48 typedef u_int32_t       Elf32_Size;
   49 typedef Elf32_Off       Elf32_Hashelt;
   50 
   51 /*
   52  * ELF header.
   53  */
   54 
   55 typedef struct {
   56         unsigned char   e_ident[EI_NIDENT];     /* File identification. */
   57         Elf32_Half      e_type;         /* File type. */
   58         Elf32_Half      e_machine;      /* Machine architecture. */
   59         Elf32_Word      e_version;      /* ELF format version. */
   60         Elf32_Addr      e_entry;        /* Entry point. */
   61         Elf32_Off       e_phoff;        /* Program header file offset. */
   62         Elf32_Off       e_shoff;        /* Section header file offset. */
   63         Elf32_Word      e_flags;        /* Architecture-specific flags. */
   64         Elf32_Half      e_ehsize;       /* Size of ELF header in bytes. */
   65         Elf32_Half      e_phentsize;    /* Size of program header entry. */
   66         Elf32_Half      e_phnum;        /* Number of program header entries. */
   67         Elf32_Half      e_shentsize;    /* Size of section header entry. */
   68         Elf32_Half      e_shnum;        /* Number of section header entries. */
   69         Elf32_Half      e_shstrndx;     /* Section name strings section. */
   70 } Elf32_Ehdr;
   71 
   72 /*
   73  * Section header.
   74  */
   75 
   76 typedef struct {
   77         Elf32_Word      sh_name;        /* Section name (index into the
   78                                            section header string table). */
   79         Elf32_Word      sh_type;        /* Section type. */
   80         Elf32_Word      sh_flags;       /* Section flags. */
   81         Elf32_Addr      sh_addr;        /* Address in memory image. */
   82         Elf32_Off       sh_offset;      /* Offset in file. */
   83         Elf32_Size      sh_size;        /* Size in bytes. */
   84         Elf32_Word      sh_link;        /* Index of a related section. */
   85         Elf32_Word      sh_info;        /* Depends on section type. */
   86         Elf32_Size      sh_addralign;   /* Alignment in bytes. */
   87         Elf32_Size      sh_entsize;     /* Size of each entry in section. */
   88 } Elf32_Shdr;
   89 
   90 /*
   91  * Program header.
   92  */
   93 
   94 typedef struct {
   95         Elf32_Word      p_type;         /* Entry type. */
   96         Elf32_Off       p_offset;       /* File offset of contents. */
   97         Elf32_Addr      p_vaddr;        /* Virtual address in memory image. */
   98         Elf32_Addr      p_paddr;        /* Physical address (not used). */
   99         Elf32_Size      p_filesz;       /* Size of contents in file. */
  100         Elf32_Size      p_memsz;        /* Size of contents in memory. */
  101         Elf32_Word      p_flags;        /* Access permission flags. */
  102         Elf32_Size      p_align;        /* Alignment in memory and file. */
  103 } Elf32_Phdr;
  104 
  105 /*
  106  * Dynamic structure.  The ".dynamic" section contains an array of them.
  107  */
  108 
  109 typedef struct {
  110         Elf32_Sword     d_tag;          /* Entry type. */
  111         union {
  112                 Elf32_Size      d_val;  /* Integer value. */
  113                 Elf32_Addr      d_ptr;  /* Address value. */
  114         } d_un;
  115 } Elf32_Dyn;
  116 
  117 /*
  118  * Relocation entries.
  119  */
  120 
  121 /* Relocations that don't need an addend field. */
  122 typedef struct {
  123         Elf32_Addr      r_offset;       /* Location to be relocated. */
  124         Elf32_Word      r_info;         /* Relocation type and symbol index. */
  125 } Elf32_Rel;
  126 
  127 /* Relocations that need an addend field. */
  128 typedef struct {
  129         Elf32_Addr      r_offset;       /* Location to be relocated. */
  130         Elf32_Word      r_info;         /* Relocation type and symbol index. */
  131         Elf32_Sword     r_addend;       /* Addend. */
  132 } Elf32_Rela;
  133 
  134 /* Macros for accessing the fields of r_info. */
  135 #define ELF32_R_SYM(info)       ((info) >> 8)
  136 #define ELF32_R_TYPE(info)      ((unsigned char)(info))
  137 
  138 /* Macro for constructing r_info from field values. */
  139 #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
  140 
  141 /*
  142  * Symbol table entries.
  143  */
  144 
  145 typedef struct {
  146         Elf32_Word      st_name;        /* String table index of name. */
  147         Elf32_Addr      st_value;       /* Symbol value. */
  148         Elf32_Size      st_size;        /* Size of associated object. */
  149         unsigned char   st_info;        /* Type and binding information. */
  150         unsigned char   st_other;       /* Reserved (not used). */
  151         Elf32_Half      st_shndx;       /* Section index of symbol. */
  152 } Elf32_Sym;
  153 
  154 /* Macros for accessing the fields of st_info. */
  155 #define ELF32_ST_BIND(info)             ((info) >> 4)
  156 #define ELF32_ST_TYPE(info)             ((info) & 0xf)
  157 
  158 /* Macro for constructing st_info from field values. */
  159 #define ELF32_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
  160 
  161 /* Macro for accessing the fields of st_other. */
  162 #define ELF32_ST_VISIBILITY(oth)        ((oth) & 0x3)
  163 
  164 /* Structures used by Sun & GNU symbol versioning. */
  165 typedef struct
  166 {
  167         Elf32_Half      vd_version;
  168         Elf32_Half      vd_flags;
  169         Elf32_Half      vd_ndx;
  170         Elf32_Half      vd_cnt;
  171         Elf32_Word      vd_hash;
  172         Elf32_Word      vd_aux;
  173         Elf32_Word      vd_next;
  174 } Elf32_Verdef;
  175 
  176 typedef struct
  177 {
  178         Elf32_Word      vda_name;
  179         Elf32_Word      vda_next;
  180 } Elf32_Verdaux;
  181 
  182 typedef struct
  183 {
  184         Elf32_Half      vn_version;
  185         Elf32_Half      vn_cnt;
  186         Elf32_Word      vn_file;
  187         Elf32_Word      vn_aux;
  188         Elf32_Word      vn_next;
  189 } Elf32_Verneed;
  190 
  191 typedef struct
  192 {
  193         Elf32_Word      vna_hash;
  194         Elf32_Half      vna_flags;
  195         Elf32_Half      vna_other;
  196         Elf32_Word      vna_name;
  197         Elf32_Word      vna_next;
  198 } Elf32_Vernaux;
  199 
  200 typedef Elf32_Half Elf32_Versym;
  201 
  202 typedef struct {
  203         Elf32_Half      si_boundto;     /* direct bindings - symbol bound to */
  204         Elf32_Half      si_flags;       /* per symbol flags */
  205 } Elf32_Syminfo;
  206 
  207 #endif /* !_SYS_ELF32_H_ */

Cache object: c7a02c1b447a38ed06d287aea5c9e425


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.