1*199767f8SToomas Soome /*- 2*199767f8SToomas Soome * Copyright (c) 1991, 1993 3*199767f8SToomas Soome * The Regents of the University of California. All rights reserved. 4*199767f8SToomas Soome * (c) UNIX System Laboratories, Inc. 5*199767f8SToomas Soome * All or some portions of this file are derived from material licensed 6*199767f8SToomas Soome * to the University of California by American Telephone and Telegraph 7*199767f8SToomas Soome * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8*199767f8SToomas Soome * the permission of UNIX System Laboratories, Inc. 9*199767f8SToomas Soome * 10*199767f8SToomas Soome * Redistribution and use in source and binary forms, with or without 11*199767f8SToomas Soome * modification, are permitted provided that the following conditions 12*199767f8SToomas Soome * are met: 13*199767f8SToomas Soome * 1. Redistributions of source code must retain the above copyright 14*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer. 15*199767f8SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 16*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer in the 17*199767f8SToomas Soome * documentation and/or other materials provided with the distribution. 18*199767f8SToomas Soome * 4. Neither the name of the University nor the names of its contributors 19*199767f8SToomas Soome * may be used to endorse or promote products derived from this software 20*199767f8SToomas Soome * without specific prior written permission. 21*199767f8SToomas Soome * 22*199767f8SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23*199767f8SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24*199767f8SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25*199767f8SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26*199767f8SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27*199767f8SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28*199767f8SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29*199767f8SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30*199767f8SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31*199767f8SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32*199767f8SToomas Soome * SUCH DAMAGE. 33*199767f8SToomas Soome * 34*199767f8SToomas Soome * @(#)nlist.h 8.2 (Berkeley) 1/21/94 35*199767f8SToomas Soome * 36*199767f8SToomas Soome * $FreeBSD$ 37*199767f8SToomas Soome */ 38*199767f8SToomas Soome 39*199767f8SToomas Soome #ifndef _SYS_NLIST_AOUT_H_ 40*199767f8SToomas Soome #define _SYS_NLIST_AOUT_H_ 41*199767f8SToomas Soome 42*199767f8SToomas Soome /* 43*199767f8SToomas Soome * Symbol table entries in a.out files. 44*199767f8SToomas Soome */ 45*199767f8SToomas Soome 46*199767f8SToomas Soome /* 47*199767f8SToomas Soome * Layout of each symbol. The "#ifdef _AOUT_INCLUDE_" is so that 48*199767f8SToomas Soome * programs including nlist.h can initialize nlist structures 49*199767f8SToomas Soome * statically. 50*199767f8SToomas Soome */ 51*199767f8SToomas Soome struct nlist { 52*199767f8SToomas Soome #ifdef _AOUT_INCLUDE_ 53*199767f8SToomas Soome union { 54*199767f8SToomas Soome const char *n_name; /* symbol name (in memory) */ 55*199767f8SToomas Soome long n_strx; /* file string table offset (on disk) */ 56*199767f8SToomas Soome } n_un; 57*199767f8SToomas Soome #else 58*199767f8SToomas Soome const char *n_name; /* symbol name (in memory) */ 59*199767f8SToomas Soome #endif 60*199767f8SToomas Soome unsigned char n_type; /* type defines */ 61*199767f8SToomas Soome char n_other; /* ".type" and binding information */ 62*199767f8SToomas Soome short n_desc; /* used by stab entries */ 63*199767f8SToomas Soome unsigned long n_value; /* address/value of the symbol */ 64*199767f8SToomas Soome }; 65*199767f8SToomas Soome 66*199767f8SToomas Soome #define n_hash n_desc /* used internally by ld(1); XXX */ 67*199767f8SToomas Soome 68*199767f8SToomas Soome /* 69*199767f8SToomas Soome * Defines for n_type. 70*199767f8SToomas Soome */ 71*199767f8SToomas Soome #define N_UNDF 0x00 /* undefined */ 72*199767f8SToomas Soome #define N_ABS 0x02 /* absolute address */ 73*199767f8SToomas Soome #define N_TEXT 0x04 /* text segment */ 74*199767f8SToomas Soome #define N_DATA 0x06 /* data segment */ 75*199767f8SToomas Soome #define N_BSS 0x08 /* bss segment */ 76*199767f8SToomas Soome #define N_INDR 0x0a /* alias definition */ 77*199767f8SToomas Soome #define N_SIZE 0x0c /* pseudo type, defines a symbol's size */ 78*199767f8SToomas Soome #define N_COMM 0x12 /* common reference */ 79*199767f8SToomas Soome /* GNU extensions */ 80*199767f8SToomas Soome #define N_SETA 0x14 /* Absolute set element symbol */ 81*199767f8SToomas Soome #define N_SETT 0x16 /* Text set element symbol */ 82*199767f8SToomas Soome #define N_SETD 0x18 /* Data set element symbol */ 83*199767f8SToomas Soome #define N_SETB 0x1a /* Bss set element symbol */ 84*199767f8SToomas Soome #define N_SETV 0x1c /* Pointer to set vector in data area. */ 85*199767f8SToomas Soome /* end GNU extensions */ 86*199767f8SToomas Soome #define N_FN 0x1e /* file name (N_EXT on) */ 87*199767f8SToomas Soome #define N_WARN 0x1e /* warning message (N_EXT off) */ 88*199767f8SToomas Soome 89*199767f8SToomas Soome #define N_EXT 0x01 /* external (global) bit, OR'ed in */ 90*199767f8SToomas Soome #define N_TYPE 0x1e /* mask for all the type bits */ 91*199767f8SToomas Soome #define N_STAB 0xe0 /* mask for debugger symbols -- stab(5) */ 92*199767f8SToomas Soome 93*199767f8SToomas Soome /* 94*199767f8SToomas Soome * Defines for n_other. It contains the ".type" (AUX) field in the least 95*199767f8SToomas Soome * significant 4 bits, and the binding (for weak symbols) in the most 96*199767f8SToomas Soome * significant 4 bits. 97*199767f8SToomas Soome */ 98*199767f8SToomas Soome #define N_AUX(p) ((p)->n_other & 0xf) 99*199767f8SToomas Soome #define N_BIND(p) (((unsigned int)(p)->n_other >> 4) & 0xf) 100*199767f8SToomas Soome #define N_OTHER(r, v) (((unsigned int)(r) << 4) | ((v) & 0xf)) 101*199767f8SToomas Soome 102*199767f8SToomas Soome #define AUX_OBJECT 1 /* data object */ 103*199767f8SToomas Soome #define AUX_FUNC 2 /* function */ 104*199767f8SToomas Soome 105*199767f8SToomas Soome /*#define BIND_LOCAL 0 not used */ 106*199767f8SToomas Soome /*#define BIND_GLOBAL 1 not used */ 107*199767f8SToomas Soome #define BIND_WEAK 2 /* weak binding */ 108*199767f8SToomas Soome 109*199767f8SToomas Soome #define N_FORMAT "%08x" /* namelist value format; XXX */ 110*199767f8SToomas Soome 111*199767f8SToomas Soome #endif /* !_SYS_NLIST_AOUT_H_ */ 112