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Annotation of src/include/nlist.h, Revision 1.2

1.2     ! niklas      1: /*     $OpenBSD: nlist.h,v 1.5 1994/10/26 00:56:11 cgd Exp $   */
1.1       deraadt     2: /*     $NetBSD: nlist.h,v 1.5 1994/10/26 00:56:11 cgd Exp $    */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1991, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  * (c) UNIX System Laboratories, Inc.
                      8:  * All or some portions of this file are derived from material licensed
                      9:  * to the University of California by American Telephone and Telegraph
                     10:  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
                     11:  * the permission of UNIX System Laboratories, Inc.
                     12:  *
                     13:  * Redistribution and use in source and binary forms, with or without
                     14:  * modification, are permitted provided that the following conditions
                     15:  * are met:
                     16:  * 1. Redistributions of source code must retain the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer.
                     18:  * 2. Redistributions in binary form must reproduce the above copyright
                     19:  *    notice, this list of conditions and the following disclaimer in the
                     20:  *    documentation and/or other materials provided with the distribution.
                     21:  * 3. All advertising materials mentioning features or use of this software
                     22:  *    must display the following acknowledgement:
                     23:  *     This product includes software developed by the University of
                     24:  *     California, Berkeley and its contributors.
                     25:  * 4. Neither the name of the University nor the names of its contributors
                     26:  *    may be used to endorse or promote products derived from this software
                     27:  *    without specific prior written permission.
                     28:  *
                     29:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     30:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     31:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     32:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     33:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     34:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     35:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     36:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     37:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     38:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     39:  * SUCH DAMAGE.
                     40:  *
                     41:  *     @(#)nlist.h     8.2 (Berkeley) 1/21/94
                     42:  */
                     43:
                     44: #ifndef _NLIST_H_
                     45: #define        _NLIST_H_
                     46:
                     47: /*
                     48:  * Symbol table entry format.  The #ifdef's are so that programs including
                     49:  * nlist.h can initialize nlist structures statically.
                     50:  */
                     51: struct nlist {
                     52: #ifdef _AOUT_INCLUDE_
                     53:        union {
                     54:                char *n_name;   /* symbol name (in memory) */
                     55:                long n_strx;    /* file string table offset (on disk) */
                     56:        } n_un;
                     57: #else
                     58:        char *n_name;           /* symbol name (in memory) */
                     59: #endif
                     60:
                     61: #define        N_UNDF  0x00            /* undefined */
                     62: #define        N_ABS   0x02            /* absolute address */
                     63: #define        N_TEXT  0x04            /* text segment */
                     64: #define        N_DATA  0x06            /* data segment */
                     65: #define        N_BSS   0x08            /* bss segment */
                     66: #define        N_INDR  0x0a            /* alias definition */
                     67: #define        N_SIZE  0x0c            /* pseudo type, defines a symbol's size */
                     68: #define        N_COMM  0x12            /* common reference */
                     69: #define        N_FN    0x1e            /* file name (N_EXT on) */
                     70: #define        N_WARN  0x1e            /* warning message (N_EXT off) */
                     71:
                     72: #define        N_EXT   0x01            /* external (global) bit, OR'ed in */
                     73: #define        N_TYPE  0x1e            /* mask for all the type bits */
                     74:        unsigned char n_type;   /* type defines */
                     75:
                     76:        char n_other;           /* spare */
                     77: #define        n_hash  n_desc          /* used internally by ld(1); XXX */
                     78:        short n_desc;           /* used by stab entries */
                     79:        unsigned long n_value;  /* address/value of the symbol */
                     80: };
                     81:
                     82: #define        N_FORMAT        "%08x"  /* namelist value format; XXX */
                     83: #define        N_STAB          0x0e0   /* mask for debugger symbols -- stab(5) */
                     84:
                     85: #include <sys/cdefs.h>
                     86:
                     87: __BEGIN_DECLS
                     88: int nlist __P((const char *, struct nlist *));
                     89: __END_DECLS
                     90:
                     91: #endif /* !_NLIST_H_ */