include/nlist.h

   1 /*-
   2  * Copyright (c) 1991, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  * (c) UNIX System Laboratories, Inc.
   5  * All or some portions of this file are derived from material licensed
   6  * to the University of California by American Telephone and Telegraph
   7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
   8  * the permission of UNIX System Laboratories, Inc.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  *      @(#)nlist.h     8.2 (Berkeley) 1/21/94
  39  */
  40
  41 #ifndef _NLIST_H_
  42 #define _NLIST_H_
  43
  44 /*
  45  * Symbol table entry format.  The #ifdef's are so that programs including
  46  * nlist.h can initialize nlist structures statically.
  47  */
  48 struct nlist {
  49 #ifdef _AOUT_INCLUDE_
  50         union {
  51                 char *n_name;   /* symbol name (in memory) */
  52                 long n_strx;    /* file string table offset (on disk) */
  53         } n_un;
  54 #else
  55         char *n_name;           /* symbol name (in memory) */
  56 #endif
  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_COMM  0x12            /* common reference */
  64 #define N_FN    0x1e            /* file name */
  65
  66 #define N_EXT   0x01            /* external (global) bit, OR'ed in */
  67 #define N_TYPE  0x1e            /* mask for all the type bits */
  68         unsigned char n_type;   /* type defines */
  69
  70         char n_other;           /* spare */
  71 #define n_hash  n_desc          /* used internally by ld(1); XXX */
  72         short n_desc;           /* used by stab entries */
  73         unsigned long n_value;  /* address/value of the symbol */
  74 };
  75
  76 #define N_FORMAT        "%08x"  /* namelist value format; XXX */
  77 #define N_STAB          0x0e0   /* mask for debugger symbols -- stab(5) */
  78
  79 #include <sys/cdefs.h>
  80
  81 __BEGIN_DECLS
  82 int nlist(const char *, struct nlist *);
  83 __END_DECLS
  84
  85 #endif /* !_NLIST_H_ */