usr/src/cmd/sgs/include/a.out.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  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #pragma ident   "%Z%%M% %I%     %E% SMI"
  27
  28 #ifndef A_DOT_OUT_DOT_H
  29 #define A_DOT_OUT_DOT_H
  30
  31 struct exec {
  32 #ifdef  sun
  33         unsigned char   a_dynamic:1;    /* has a __DYNAMIC */
  34         unsigned char   a_toolversion:7; /* version of toolset used to create */
  35                                         /*      this file */
  36         unsigned char   a_machtype;     /* machine type */
  37         unsigned short  a_magic;        /* magic number */
  38 #else
  39         unsigned long   a_magic;        /* magic number */
  40 #endif
  41         unsigned long   a_text;         /* size of text segment */
  42         unsigned long   a_data;         /* size of initialized data */
  43         unsigned long   a_bss;          /* size of uninitialized data */
  44         unsigned long   a_syms;         /* size of symbol table */
  45         unsigned long   a_entry;        /* entry point */
  46         unsigned long   a_trsize;       /* size of text relocation */
  47         unsigned long   a_drsize;       /* size of data relocation */
  48 };
  49
  50 /*
  51  * Version of struct exec intended to allow LP64 code to
  52  * examine a 32-bit definition.
  53  */
  54 struct exec32 {
  55 #ifdef  sun
  56         unsigned char   a_dynamic:1;    /* has a __DYNAMIC */
  57         unsigned char   a_toolversion:7; /* version of toolset used to create */
  58                                         /*      this file */
  59         unsigned char   a_machtype;     /* machine type */
  60         unsigned short  a_magic;        /* magic number */
  61 #else
  62         unsigned int    a_magic;        /* magic number */
  63 #endif
  64         unsigned int    a_text;         /* size of text segment */
  65         unsigned int    a_data;         /* size of initialized data */
  66         unsigned int    a_bss;          /* size of uninitialized data */
  67         unsigned int    a_syms;         /* size of symbol table */
  68         unsigned int    a_entry;        /* entry point */
  69         unsigned int    a_trsize;       /* size of text relocation */
  70         unsigned int    a_drsize;       /* size of data relocation */
  71 };
  72
  73 /*
  74  * Macros for identifying an a.out format file.
  75  */
  76 #define M_SPARC 3                       /* runs only on SPARC */
  77 #define OMAGIC  0407                    /* old impure format */
  78 #define NMAGIC  0410                    /* read-only text */
  79 #define ZMAGIC  0413                    /* demand load format */
  80
  81 #define N_BADMAG(x) \
  82         ((x).a_magic != OMAGIC && (x).a_magic != NMAGIC && \
  83         (x).a_magic != ZMAGIC)
  84
  85 /*
  86  * Page size for a.out (used to overide machdep.h definition).
  87  */
  88 #ifndef M_SEGSIZE
  89 #define M_SEGSIZE       0x2000          /* 8k */
  90 #endif
  91
  92 #endif  /* A_DOT_OUT_DOT_H */