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Annotation of kernel/bsd/include/nlist.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*-
        !            26:  * Copyright (c) 1991, 1993
        !            27:  *     The Regents of the University of California.  All rights reserved.
        !            28:  * (c) UNIX System Laboratories, Inc.
        !            29:  * All or some portions of this file are derived from material licensed
        !            30:  * to the University of California by American Telephone and Telegraph
        !            31:  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
        !            32:  * the permission of UNIX System Laboratories, Inc.
        !            33:  *
        !            34:  * Redistribution and use in source and binary forms, with or without
        !            35:  * modification, are permitted provided that the following conditions
        !            36:  * are met:
        !            37:  * 1. Redistributions of source code must retain the above copyright
        !            38:  *    notice, this list of conditions and the following disclaimer.
        !            39:  * 2. Redistributions in binary form must reproduce the above copyright
        !            40:  *    notice, this list of conditions and the following disclaimer in the
        !            41:  *    documentation and/or other materials provided with the distribution.
        !            42:  * 3. All advertising materials mentioning features or use of this software
        !            43:  *    must display the following acknowledgement:
        !            44:  *     This product includes software developed by the University of
        !            45:  *     California, Berkeley and its contributors.
        !            46:  * 4. Neither the name of the University nor the names of its contributors
        !            47:  *    may be used to endorse or promote products derived from this software
        !            48:  *    without specific prior written permission.
        !            49:  *
        !            50:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            51:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            52:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            53:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            54:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            55:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            56:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            57:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            58:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            59:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            60:  * SUCH DAMAGE.
        !            61:  *
        !            62:  *     @(#)nlist.h     8.2 (Berkeley) 1/21/94
        !            63:  */
        !            64: 
        !            65: #ifndef _NLIST_H_
        !            66: #define        _NLIST_H_
        !            67: 
        !            68: /*
        !            69:  * Symbol table entry format.  The #ifdef's are so that programs including
        !            70:  * nlist.h can initialize nlist structures statically.
        !            71:  */
        !            72: struct nlist {
        !            73: #ifdef _AOUT_INCLUDE_
        !            74:        union {
        !            75:                char *n_name;   /* symbol name (in memory) */
        !            76:                long n_strx;    /* file string table offset (on disk) */
        !            77:        } n_un;
        !            78: #else
        !            79:        char *n_name;           /* symbol name (in memory) */
        !            80: #endif
        !            81: 
        !            82: #define        N_UNDF  0x00            /* undefined */
        !            83: #define        N_ABS   0x02            /* absolute address */
        !            84: #define        N_TEXT  0x04            /* text segment */
        !            85: #define        N_DATA  0x06            /* data segment */
        !            86: #define        N_BSS   0x08            /* bss segment */
        !            87: #define        N_COMM  0x12            /* common reference */
        !            88: #define        N_FN    0x1e            /* file name */
        !            89: 
        !            90: #define        N_EXT   0x01            /* external (global) bit, OR'ed in */
        !            91: #define        N_TYPE  0x1e            /* mask for all the type bits */
        !            92:        unsigned char n_type;   /* type defines */
        !            93: 
        !            94:        char n_other;           /* spare */
        !            95: #define        n_hash  n_desc          /* used internally by ld(1); XXX */
        !            96:        short n_desc;           /* used by stab entries */
        !            97:        unsigned long n_value;  /* address/value of the symbol */
        !            98: };
        !            99: 
        !           100: #define        N_FORMAT        "%08x"  /* namelist value format; XXX */
        !           101: #define        N_STAB          0x0e0   /* mask for debugger symbols -- stab(5) */
        !           102: 
        !           103: #include <sys/cdefs.h>
        !           104: 
        !           105: __BEGIN_DECLS
        !           106: int nlist __P((const char *, struct nlist *));
        !           107: __END_DECLS
        !           108: 
        !           109: #endif /* !_NLIST_H_ */

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