nlist.h revision 5207
1130803Smarcel/*- 2130803Smarcel * Copyright (c) 1991, 1993 3130803Smarcel * The Regents of the University of California. All rights reserved. 4130803Smarcel * (c) UNIX System Laboratories, Inc. 5130803Smarcel * All or some portions of this file are derived from material licensed 6130803Smarcel * to the University of California by American Telephone and Telegraph 7130803Smarcel * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8130803Smarcel * the permission of UNIX System Laboratories, Inc. 9130803Smarcel * 10130803Smarcel * Redistribution and use in source and binary forms, with or without 11130803Smarcel * modification, are permitted provided that the following conditions 12130803Smarcel * are met: 13130803Smarcel * 1. Redistributions of source code must retain the above copyright 14130803Smarcel * notice, this list of conditions and the following disclaimer. 15130803Smarcel * 2. Redistributions in binary form must reproduce the above copyright 16130803Smarcel * notice, this list of conditions and the following disclaimer in the 17130803Smarcel * documentation and/or other materials provided with the distribution. 18130803Smarcel * 3. All advertising materials mentioning features or use of this software 19130803Smarcel * must display the following acknowledgement: 20130803Smarcel * This product includes software developed by the University of 21130803Smarcel * California, Berkeley and its contributors. 22130803Smarcel * 4. Neither the name of the University nor the names of its contributors 23130803Smarcel * may be used to endorse or promote products derived from this software 24130803Smarcel * without specific prior written permission. 25130803Smarcel * 26130803Smarcel * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27130803Smarcel * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28130803Smarcel * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29130803Smarcel * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30130803Smarcel * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31130803Smarcel * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32130803Smarcel * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33130803Smarcel * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34130803Smarcel * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35130803Smarcel * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36130803Smarcel * SUCH DAMAGE. 37130803Smarcel * 38130803Smarcel * @(#)nlist.h 8.2 (Berkeley) 1/21/94 39130803Smarcel * 40130803Smarcel * $Id$ 41130803Smarcel */ 42130803Smarcel 43130803Smarcel#ifndef _NLIST_H_ 44130803Smarcel#define _NLIST_H_ 45130803Smarcel 46130803Smarcel/* 47130803Smarcel * Symbol table entry format. The #ifdef's are so that programs including 48130803Smarcel * nlist.h can initialize nlist structures statically. 49130803Smarcel */ 50130803Smarcelstruct nlist { 51130803Smarcel#ifdef _AOUT_INCLUDE_ 52130803Smarcel union { 53130803Smarcel char *n_name; /* symbol name (in memory) */ 54130803Smarcel long n_strx; /* file string table offset (on disk) */ 55130803Smarcel } n_un; 56130803Smarcel#else 57130803Smarcel char *n_name; /* symbol name (in memory) */ 58130803Smarcel#endif 59130803Smarcel 60130803Smarcel#define N_UNDF 0x00 /* undefined */ 61130803Smarcel#define N_ABS 0x02 /* absolute address */ 62130803Smarcel#define N_TEXT 0x04 /* text segment */ 63130803Smarcel#define N_DATA 0x06 /* data segment */ 64130803Smarcel#define N_BSS 0x08 /* bss segment */ 65130803Smarcel#define N_INDR 0x0a /* alias definition */ 66130803Smarcel#define N_SIZE 0x0c /* pseudo type, defines a symbol's size */ 67130803Smarcel#define N_COMM 0x12 /* common reference */ 68130803Smarcel#define N_FN 0x1e /* file name (N_EXT on) */ 69130803Smarcel#define N_WARN 0x1e /* warning message (N_EXT off) */ 70130803Smarcel 71130803Smarcel#define N_EXT 0x01 /* external (global) bit, OR'ed in */ 72130803Smarcel#define N_TYPE 0x1e /* mask for all the type bits */ 73130803Smarcel unsigned char n_type; /* type defines */ 74130803Smarcel 75130803Smarcel char n_other; /* spare */ 76130803Smarcel#define n_hash n_desc /* used internally by ld(1); XXX */ 77130803Smarcel short n_desc; /* used by stab entries */ 78130803Smarcel unsigned long n_value; /* address/value of the symbol */ 79130803Smarcel}; 80130803Smarcel 81130803Smarcel#define N_FORMAT "%08x" /* namelist value format; XXX */ 82130803Smarcel#define N_STAB 0x0e0 /* mask for debugger symbols -- stab(5) */ 83130803Smarcel 84130803Smarcel#include <sys/cdefs.h> 85130803Smarcel 86130803Smarcel__BEGIN_DECLS 87130803Smarcelint nlist __P((const char *, struct nlist *)); 88130803Smarcel__END_DECLS 89130803Smarcel 90130803Smarcel#endif /* !_NLIST_H_ */ 91130803Smarcel