include/sys/elf_386.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  *      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
  24  *        All Rights Reserved
  25  *
  26  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  27  * Use is subject to license terms.
  28  */
  29
  30 #ifndef _SYS_ELF_386_H
  31 #define _SYS_ELF_386_H
  32
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 #define R_386_NONE              0       /* relocation type */
  38 #define R_386_32                1
  39 #define R_386_PC32              2
  40 #define R_386_GOT32             3
  41 #define R_386_PLT32             4
  42 #define R_386_COPY              5
  43 #define R_386_GLOB_DAT          6
  44 #define R_386_JMP_SLOT          7
  45 #define R_386_RELATIVE          8
  46 #define R_386_GOTOFF            9
  47 #define R_386_GOTPC             10
  48 #define R_386_32PLT             11
  49 #define R_386_TLS_GD_PLT        12
  50 #define R_386_TLS_LDM_PLT       13
  51 #define R_386_TLS_TPOFF         14
  52 #define R_386_TLS_IE            15
  53 #define R_386_TLS_GOTIE         16
  54 #define R_386_TLS_LE            17
  55 #define R_386_TLS_GD            18
  56 #define R_386_TLS_LDM           19
  57 #define R_386_16                20
  58 #define R_386_PC16              21
  59 #define R_386_8                 22
  60 #define R_386_PC8               23
  61 #define R_386_UNKNOWN24         24
  62 #define R_386_UNKNOWN25         25
  63 #define R_386_UNKNOWN26         26
  64 #define R_386_UNKNOWN27         27
  65 #define R_386_UNKNOWN28         28
  66 #define R_386_UNKNOWN29         29
  67 #define R_386_UNKNOWN30         30
  68 #define R_386_UNKNOWN31         31
  69 #define R_386_TLS_LDO_32        32
  70 #define R_386_UNKNOWN33         33
  71 #define R_386_UNKNOWN34         34
  72 #define R_386_TLS_DTPMOD32      35
  73 #define R_386_TLS_DTPOFF32      36
  74 #define R_386_UNKNOWN37         37
  75 #define R_386_SIZE32            38
  76 #define R_386_NUM               39
  77
  78 #define ELF_386_MAXPGSZ         0x10000 /* maximum page size */
  79
  80 #define SHF_ORDERED     0x40000000
  81 #define SHF_EXCLUDE     0x80000000
  82
  83 #define SHN_BEFORE      0xff00
  84 #define SHN_AFTER       0xff01
  85
  86 /*
  87  * There are consumers of this file that want to include elf defines for
  88  * all architectures.  This is a problem for the defines below, because
  89  * while they are architecture specific they have common names.  Hence to
  90  * prevent attempts to redefine these variables we'll check if any of
  91  * the other elf architecture header files have been included.  If
  92  * they have then we'll just stick with the existing definitions.
  93  */
  94 #if !defined(_SYS_ELF_MACH_COMMON)
  95 #define _SYS_ELF_MACH_COMMON
  96 #define _SYS_ELF_MACH_386
  97
  98 /*
  99  * Plt and Got information; the first few .got and .plt entries are reserved
 100  *      PLT[0]  jump to dynamic linker
 101  *      GOT[0]  address of _DYNAMIC
 102  */
 103 #define M_PLT_INSSIZE           6       /* single plt instruction size */
 104 #define M_PLT_XNumber           1       /* PLT[0] reserved */
 105 #define M_GOT_XDYNAMIC          0       /* got index for _DYNAMIC */
 106 #define M_GOT_XLINKMAP          1       /* got index for link map */
 107 #define M_GOT_XRTLD             2       /* got index for rtbinder */
 108 #define M_GOT_XNumber           3       /* reserved no. of got entries */
 109
 110 #define M32_WORD_ALIGN          4
 111 #define M32_PLT_ENTSIZE         16      /* plt entry size in bytes */
 112 #define M32_PLT_ALIGN           M32_WORD_ALIGN  /* alignment of .plt section */
 113 #define M32_GOT_ENTSIZE         4       /* got entry size in bytes */
 114 #define M32_PLT_RESERVSZ        (M_PLT_XNumber * \
 115                                 M32_PLT_ENTSIZE) /* first plt reserved */
 116
 117
 118 /*
 119  * Make common alias for the 32/64 bit specific defines based on _ELF64
 120  */
 121 #if !defined(_ELF64)
 122 /* architecture common defines */
 123 #define M_WORD_ALIGN            M32_WORD_ALIGN
 124 #define M_PLT_ENTSIZE           M32_PLT_ENTSIZE
 125 #define M_PLT_ALIGN             M32_PLT_ALIGN
 126 #define M_PLT_RESERVSZ          M32_PLT_RESERVSZ
 127 #define M_GOT_ENTSIZE           M32_GOT_ENTSIZE
 128 #endif /* !_ELF64 */
 129
 130 #endif /* !_SYS_ELF_MACH_COMMON */
 131
 132 #ifdef  __cplusplus
 133 }
 134 #endif
 135
 136 #endif  /* _SYS_ELF_386_H */