1 /* $NetBSD: nlist.h,v 1.1 2011/07/16 15:52:02 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)nlist.h 8.2 (Berkeley) 1/21/94 37 */ 38 39 #ifndef _NLIST_H_ 40 #define _NLIST_H_ 41 42 #include <sys/cdefs.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 #if 0 52 __aconst char *n_name; /* symbol name (in memory) */ 53 #endif 54 int32_t n_strx; /* file string table offset (on disk) */ 55 } n_un; 56 # define N_NAME(nlp) ((nlp)->n_un.n_name) 57 #else 58 const char *n_name; /* symbol name (in memory) */ 59 # define N_NAME(nlp) ((nlp)->n_name) 60 #endif 61 62 #define N_UNDF 0x00 /* undefined */ 63 #define N_ABS 0x02 /* absolute address */ 64 #define N_TEXT 0x04 /* text segment */ 65 #define N_DATA 0x06 /* data segment */ 66 #define N_BSS 0x08 /* bss segment */ 67 #define N_INDR 0x0a /* alias definition */ 68 #define N_SIZE 0x0c /* pseudo type, defines a symbol's size */ 69 #define N_COMM 0x12 /* common reference */ 70 #define N_SETA 0x14 /* absolute set element symbol */ 71 #define N_SETT 0x16 /* text set element symbol */ 72 #define N_SETD 0x18 /* data set element symbol */ 73 #define N_SETB 0x1a /* bss set element symbol */ 74 #define N_SETV 0x1c /* set vector symbol */ 75 #define N_FN 0x1e /* file name (N_EXT on) */ 76 #define N_WARN 0x1e /* warning message (N_EXT off) */ 77 78 #define N_EXT 0x01 /* external (global) bit, OR'ed in */ 79 #define N_TYPE 0x1e /* mask for all the type bits */ 80 unsigned char n_type; /* type defines */ 81 82 char n_other; /* spare */ 83 #define n_hash n_desc /* used internally by ld(1); XXX */ 84 int16_t n_desc; /* used by stab entries */ 85 uint32_t n_value; /* address/value of the symbol */ 86 }; 87 88 #define N_FORMAT "%08x" /* namelist value format; XXX */ 89 #define N_STAB 0x0e0 /* mask for debugger symbols -- stab(5) */ 90 91 __BEGIN_DECLS 92 int nlist(const char *, struct nlist *); 93 int __fdnlist(int, struct nlist *); /* XXX for libkvm */ 94 __END_DECLS 95 96 #endif /* !_NLIST_H_ */ 97