sys/ddb/db_aout.h

   1 /*      $NetBSD: db_aout.h,v 1.1.64.3 2004/09/21 13:26:24 skrll Exp $   */
   2
   3 /*-
   4  * Copyright (c) 1991, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  * (c) UNIX System Laboratories, Inc.
   7  * All or some portions of this file are derived from material licensed
   8  * to the University of California by American Telephone and Telegraph
   9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  10  * the permission of UNIX System Laboratories, Inc.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  * 3. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  */
  36
  37 /*
  38  * This is an in-line expansion of "a.out.h" customized for ddb.
  39  */
  40
  41 #ifndef _DB_AOUT_H_
  42 #define _DB_AOUT_H_
  43
  44 /*
  45  *      @(#)nlist.h     8.2 (Berkeley) 1/21/94
  46  */
  47
  48 /*
  49  * Symbol table entry format.  The #ifdef's are so that programs including
  50  * nlist.h can initialize nlist structures statically.
  51  */
  52 struct nlist {
  53         union {
  54                 char *n_name;   /* symbol name (in memory) */
  55                 long n_strx;    /* file string table offset (on disk) */
  56         } n_un;
  57
  58 #define N_UNDF  0x00            /* undefined */
  59 #define N_ABS   0x02            /* absolute address */
  60 #define N_TEXT  0x04            /* text segment */
  61 #define N_DATA  0x06            /* data segment */
  62 #define N_BSS   0x08            /* bss segment */
  63 #define N_INDR  0x0a            /* alias definition */
  64 #define N_SIZE  0x0c            /* pseudo type, defines a symbol's size */
  65 #define N_COMM  0x12            /* common reference */
  66 #define N_FN    0x1e            /* file name (N_EXT on) */
  67
  68 #define N_EXT   0x01            /* external (global) bit, OR'ed in */
  69 #define N_TYPE  0x1e            /* mask for all the type bits */
  70         unsigned char n_type;   /* type defines */
  71
  72         char n_other;           /* spare */
  73 #define n_hash  n_desc          /* used internally by ld(1); XXX */
  74         short n_desc;           /* used by stab entries */
  75         unsigned long n_value;  /* address/value of the symbol */
  76 };
  77
  78 #define N_FORMAT        "%08x"  /* namelist value format; XXX */
  79 #define N_STAB          0x0e0   /* mask for debugger symbols -- stab(5) */
  80
  81 /* End nlist.h */
  82
  83 /*
  84  *      @(#)stab.h      5.2 (Berkeley) 4/4/91
  85  */
  86
  87 /*
  88  * The following are symbols used by various debuggers and by the Pascal
  89  * compiler.  Each of them must have one (or more) of the bits defined by
  90  * the N_STAB mask set.
  91  */
  92
  93 #define N_GSYM          0x20    /* global symbol */
  94 #define N_FNAME         0x22    /* F77 function name */
  95 #define N_FUN           0x24    /* procedure name */
  96 #define N_STSYM         0x26    /* data segment variable */
  97 #define N_LCSYM         0x28    /* bss segment variable */
  98 #define N_MAIN          0x2a    /* main function name */
  99 #define N_PC            0x30    /* global Pascal symbol */
 100 #define N_RSYM          0x40    /* register variable */
 101 #define N_SLINE         0x44    /* text segment line number */
 102 #define N_DSLINE        0x46    /* data segment line number */
 103 #define N_BSLINE        0x48    /* bss segment line number */
 104 #define N_SSYM          0x60    /* structure/union element */
 105 #define N_SO            0x64    /* main source file name */
 106 #define N_LSYM          0x80    /* stack variable */
 107 #define N_BINCL         0x82    /* include file beginning */
 108 #define N_SOL           0x84    /* included source file name */
 109 #define N_PSYM          0xa0    /* parameter variable */
 110 #define N_EINCL         0xa2    /* include file end */
 111 #define N_ENTRY         0xa4    /* alternate entry point */
 112 #define N_LBRAC         0xc0    /* left bracket */
 113 #define N_EXCL          0xc2    /* deleted include file */
 114 #define N_RBRAC         0xe0    /* right bracket */
 115 #define N_BCOMM         0xe2    /* begin common */
 116 #define N_ECOMM         0xe4    /* end common */
 117 #define N_ECOML         0xe8    /* end common (local name) */
 118 #define N_LENG          0xfe    /* length of preceding entry */
 119
 120 #endif /* !_DB_AOUT_H_ */