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  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  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: releng/6.2/sys/sys/elf32.h 164286 2006-11-14 20:42:41Z cvs2svn $
   27  */
   28 
   29 #ifndef _SYS_ELF32_H_
   30 #define _SYS_ELF32_H_ 1
   31 
   32 #include <sys/elf_common.h>
   33 
   34 /*
   35  * ELF definitions common to all 32-bit architectures.
   36  */
   37 
   38 typedef uint32_t        Elf32_Addr;
   39 typedef uint16_t        Elf32_Half;
   40 typedef uint32_t        Elf32_Off;
   41 typedef int32_t         Elf32_Sword;
   42 typedef uint32_t        Elf32_Word;
   43 
   44 typedef Elf32_Word      Elf32_Hashelt;
   45 
   46 /* Non-standard class-dependent datatype used for abstraction. */
   47 typedef Elf32_Word      Elf32_Size;
   48 typedef Elf32_Sword     Elf32_Ssize;
   49 
   50 /*
   51  * ELF header.
   52  */
   53 
   54 typedef struct {
   55         unsigned char   e_ident[EI_NIDENT];     /* File identification. */
   56         Elf32_Half      e_type;         /* File type. */
   57         Elf32_Half      e_machine;      /* Machine architecture. */
   58         Elf32_Word      e_version;      /* ELF format version. */
   59         Elf32_Addr      e_entry;        /* Entry point. */
   60         Elf32_Off       e_phoff;        /* Program header file offset. */
   61         Elf32_Off       e_shoff;        /* Section header file offset. */
   62         Elf32_Word      e_flags;        /* Architecture-specific flags. */
   63         Elf32_Half      e_ehsize;       /* Size of ELF header in bytes. */
   64         Elf32_Half      e_phentsize;    /* Size of program header entry. */
   65         Elf32_Half      e_phnum;        /* Number of program header entries. */
   66         Elf32_Half      e_shentsize;    /* Size of section header entry. */
   67         Elf32_Half      e_shnum;        /* Number of section header entries. */
   68         Elf32_Half      e_shstrndx;     /* Section name strings section. */
   69 } Elf32_Ehdr;
   70 
   71 /*
   72  * Section header.
   73  */
   74 
   75 typedef struct {
   76         Elf32_Word      sh_name;        /* Section name (index into the
   77                                            section header string table). */
   78         Elf32_Word      sh_type;        /* Section type. */
   79         Elf32_Word      sh_flags;       /* Section flags. */
   80         Elf32_Addr      sh_addr;        /* Address in memory image. */
   81         Elf32_Off       sh_offset;      /* Offset in file. */
   82         Elf32_Word      sh_size;        /* Size in bytes. */
   83         Elf32_Word      sh_link;        /* Index of a related section. */
   84         Elf32_Word      sh_info;        /* Depends on section type. */
   85         Elf32_Word      sh_addralign;   /* Alignment in bytes. */
   86         Elf32_Word      sh_entsize;     /* Size of each entry in section. */
   87 } Elf32_Shdr;
   88 
   89 /*
   90  * Program header.
   91  */
   92 
   93 typedef struct {
   94         Elf32_Word      p_type;         /* Entry type. */
   95         Elf32_Off       p_offset;       /* File offset of contents. */
   96         Elf32_Addr      p_vaddr;        /* Virtual address in memory image. */
   97         Elf32_Addr      p_paddr;        /* Physical address (not used). */
   98         Elf32_Word      p_filesz;       /* Size of contents in file. */
   99         Elf32_Word      p_memsz;        /* Size of contents in memory. */
  100         Elf32_Word      p_flags;        /* Access permission flags. */
  101         Elf32_Word      p_align;        /* Alignment in memory and file. */
  102 } Elf32_Phdr;
  103 
  104 /*
  105  * Dynamic structure.  The ".dynamic" section contains an array of them.
  106  */
  107 
  108 typedef struct {
  109         Elf32_Sword     d_tag;          /* Entry type. */
  110         union {
  111                 Elf32_Word      d_val;  /* Integer value. */
  112                 Elf32_Addr      d_ptr;  /* Address value. */
  113         } d_un;
  114 } Elf32_Dyn;
  115 
  116 /*
  117  * Relocation entries.
  118  */
  119 
  120 /* Relocations that don't need an addend field. */
  121 typedef struct {
  122         Elf32_Addr      r_offset;       /* Location to be relocated. */
  123         Elf32_Word      r_info;         /* Relocation type and symbol index. */
  124 } Elf32_Rel;
  125 
  126 /* Relocations that need an addend field. */
  127 typedef struct {
  128         Elf32_Addr      r_offset;       /* Location to be relocated. */
  129         Elf32_Word      r_info;         /* Relocation type and symbol index. */
  130         Elf32_Sword     r_addend;       /* Addend. */
  131 } Elf32_Rela;
  132 
  133 /* Macros for accessing the fields of r_info. */
  134 #define ELF32_R_SYM(info)       ((info) >> 8)
  135 #define ELF32_R_TYPE(info)      ((unsigned char)(info))
  136 
  137 /* Macro for constructing r_info from field values. */
  138 #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
  139 
  140 /*
  141  * Symbol table entries.
  142  */
  143 
  144 typedef struct {
  145         Elf32_Word      st_name;        /* String table index of name. */
  146         Elf32_Addr      st_value;       /* Symbol value. */
  147         Elf32_Word      st_size;        /* Size of associated object. */
  148         unsigned char   st_info;        /* Type and binding information. */
  149         unsigned char   st_other;       /* Reserved (not used). */
  150         Elf32_Half      st_shndx;       /* Section index of symbol. */
  151 } Elf32_Sym;
  152 
  153 /* Macros for accessing the fields of st_info. */
  154 #define ELF32_ST_BIND(info)             ((info) >> 4)
  155 #define ELF32_ST_TYPE(info)             ((info) & 0xf)
  156 
  157 /* Macro for constructing st_info from field values. */
  158 #define ELF32_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
  159 
  160 /* Macro for accessing the fields of st_other. */
  161 #define ELF32_ST_VISIBILITY(oth)        ((oth) & 0x3)
  162 
  163 #endif /* !_SYS_ELF32_H_ */

Cache object: 9ec6dd7bd9003b293c64be44552621e1


[ 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.