1: /*- 2: * Copyright (c) 1991 The Regents of the University of California. 3: * All rights reserved. 4: * 5: * Redistribution and use in source and binary forms, with or without 6: * modification, are permitted provided that the following conditions 7: * are met: 8: * 1. Redistributions of source code must retain the above copyright 9: * notice, this list of conditions and the following disclaimer. 10: * 2. Redistributions in binary form must reproduce the above copyright 11: * notice, this list of conditions and the following disclaimer in the 12: * documentation and/or other materials provided with the distribution. 13: * 3. All advertising materials mentioning features or use of this software 14: * must display the following acknowledgement: 15: * This product includes software developed by the University of 16: * California, Berkeley and its contributors. 17: * 4. Neither the name of the University nor the names of its contributors 18: * may be used to endorse or promote products derived from this software 19: * without specific prior written permission. 20: * 21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31: * SUCH DAMAGE. 32: * 33: * @(#)nlist.h 5.6.1 (2.11BSD GTE) 1/15/94 34: */ 35: 36: #ifndef _NLIST_H_ 37: #define _NLIST_H_ 38: #include <sys/types.h> 39: 40: /* 41: * Symbol table entry format. The #ifdef's are so that programs including 42: * nlist.h can initialize nlist structures statically. 43: */ 44: 45: struct oldnlist { /* XXX - compatibility/conversion aid */ 46: char n_name[8]; /* symbol name */ 47: int n_type; /* type flag */ 48: unsigned int n_value; /* value */ 49: }; 50: 51: struct nlist { 52: #ifdef _AOUT_INCLUDE_ 53: union { 54: char *n_name; /* In memory address of symbol name */ 55: off_t n_strx; /* String table offset (file) */ 56: } n_un; 57: #else 58: char *n_name; /* symbol name (in memory) */ 59: char *n_filler; /* need to pad out to the union's size */ 60: #endif 61: u_char n_type; /* Type of symbol - see below */ 62: char n_ovly; /* Overlay number */ 63: u_int n_value; /* Symbol value */ 64: }; 65: 66: /* 67: * Simple values for n_type. 68: */ 69: #define N_UNDF 0x00 /* undefined */ 70: #define N_ABS 0x01 /* absolute */ 71: #define N_TEXT 0x02 /* text segment */ 72: #define N_DATA 0x03 /* data segment */ 73: #define N_BSS 0x04 /* bss segment */ 74: #define N_REG 0x14 /* register symbol */ 75: #define N_FN 0x1f /* file name */ 76: 77: #define N_EXT 0x20 /* external (global) bit, OR'ed in */ 78: #define N_TYPE 0x1f /* mask for all the type bits */ 79: 80: #define N_FORMAT "%06o" /* namelist value format; XXX */ 81: #endif /* !_NLIST_H_ */