root / lab4 / .minix-src / include / nlist.h @ 14
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/* $NetBSD: nlist.h,v 1.14 2009/08/21 08:42:02 he Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)nlist.h 8.2 (Berkeley) 1/21/94
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*/
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#ifndef _NLIST_H_
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#define _NLIST_H_
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#include <sys/cdefs.h> |
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/*
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* Symbol table entry format. The #ifdef's are so that programs including
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* nlist.h can initialize nlist structures statically.
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*/
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struct nlist {
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#ifdef _AOUT_INCLUDE_
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union {
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__aconst char *n_name; /* symbol name (in memory) */ |
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long n_strx; /* file string table offset (on disk) */ |
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} n_un; |
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# define N_NAME(nlp) ((nlp)->n_un.n_name)
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#else
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const char *n_name; /* symbol name (in memory) */ |
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# define N_NAME(nlp) ((nlp)->n_name)
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#endif
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#define N_UNDF 0x00 /* undefined */ |
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#define N_ABS 0x02 /* absolute address */ |
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#define N_TEXT 0x04 /* text segment */ |
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#define N_DATA 0x06 /* data segment */ |
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#define N_BSS 0x08 /* bss segment */ |
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#define N_INDR 0x0a /* alias definition */ |
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#define N_SIZE 0x0c /* pseudo type, defines a symbol's size */ |
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#define N_COMM 0x12 /* common reference */ |
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#define N_SETA 0x14 /* absolute set element symbol */ |
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#define N_SETT 0x16 /* text set element symbol */ |
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#define N_SETD 0x18 /* data set element symbol */ |
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#define N_SETB 0x1a /* bss set element symbol */ |
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#define N_SETV 0x1c /* set vector symbol */ |
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#define N_FN 0x1e /* file name (N_EXT on) */ |
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#define N_WARN 0x1e /* warning message (N_EXT off) */ |
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#define N_EXT 0x01 /* external (global) bit, OR'ed in */ |
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#define N_TYPE 0x1e /* mask for all the type bits */ |
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unsigned char n_type; /* type defines */ |
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char n_other; /* spare */ |
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#define n_hash n_desc /* used internally by ld(1); XXX */ |
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short n_desc; /* used by stab entries */ |
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unsigned long n_value; /* address/value of the symbol */ |
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}; |
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#define N_FORMAT "%08x" /* namelist value format; XXX */ |
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#define N_STAB 0x0e0 /* mask for debugger symbols -- stab(5) */ |
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__BEGIN_DECLS |
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int nlist(const char *, struct nlist *); |
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int __fdnlist(int, struct nlist *); /* XXX for libkvm */ |
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__END_DECLS |
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#endif /* !_NLIST_H_ */ |