Annotation of sys/ddb/db_aout.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: db_aout.h,v 1.2 2003/06/02 23:28:01 millert Exp $ */
! 2: /* $NetBSD: db_aout.h,v 1.1 1996/02/27 20:54:44 gwr Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1991, 1993
! 6: * The Regents of the University of California. All rights reserved.
! 7: * (c) UNIX System Laboratories, Inc.
! 8: * All or some portions of this file are derived from material licensed
! 9: * to the University of California by American Telephone and Telegraph
! 10: * Co. or Unix System Laboratories, Inc. and are reproduced herein with
! 11: * the permission of UNIX System Laboratories, Inc.
! 12: *
! 13: * Redistribution and use in source and binary forms, with or without
! 14: * modification, are permitted provided that the following conditions
! 15: * are met:
! 16: * 1. Redistributions of source code must retain the above copyright
! 17: * notice, this list of conditions and the following disclaimer.
! 18: * 2. Redistributions in binary form must reproduce the above copyright
! 19: * notice, this list of conditions and the following disclaimer in the
! 20: * documentation and/or other materials provided with the distribution.
! 21: * 3. Neither the name of the University nor the names of its contributors
! 22: * may be used to endorse or promote products derived from this software
! 23: * without specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 35: * SUCH DAMAGE.
! 36: */
! 37:
! 38: /*
! 39: * This is an in-line expansion of "a.out.h" customized for ddb.
! 40: */
! 41:
! 42: #ifndef _DB_AOUT_H_
! 43: #define _DB_AOUT_H_
! 44:
! 45: /*
! 46: * @(#)nlist.h 8.2 (Berkeley) 1/21/94
! 47: */
! 48:
! 49: /*
! 50: * Symbol table entry format. The #ifdef's are so that programs including
! 51: * nlist.h can initialize nlist structures statically.
! 52: */
! 53: struct nlist {
! 54: union {
! 55: char *n_name; /* symbol name (in memory) */
! 56: long n_strx; /* file string table offset (on disk) */
! 57: } n_un;
! 58:
! 59: #define N_UNDF 0x00 /* undefined */
! 60: #define N_ABS 0x02 /* absolute address */
! 61: #define N_TEXT 0x04 /* text segment */
! 62: #define N_DATA 0x06 /* data segment */
! 63: #define N_BSS 0x08 /* bss segment */
! 64: #define N_INDR 0x0a /* alias definition */
! 65: #define N_SIZE 0x0c /* pseudo type, defines a symbol's size */
! 66: #define N_COMM 0x12 /* common reference */
! 67: #define N_FN 0x1e /* file name (N_EXT on) */
! 68:
! 69: #define N_EXT 0x01 /* external (global) bit, OR'ed in */
! 70: #define N_TYPE 0x1e /* mask for all the type bits */
! 71: unsigned char n_type; /* type defines */
! 72:
! 73: char n_other; /* spare */
! 74: #define n_hash n_desc /* used internally by ld(1); XXX */
! 75: short n_desc; /* used by stab entries */
! 76: unsigned long n_value; /* address/value of the symbol */
! 77: };
! 78:
! 79: #define N_FORMAT "%08x" /* namelist value format; XXX */
! 80: #define N_STAB 0x0e0 /* mask for debugger symbols -- stab(5) */
! 81:
! 82: /* End nlist.h */
! 83:
! 84: /*
! 85: * @(#)stab.h 5.2 (Berkeley) 4/4/91
! 86: */
! 87:
! 88: /*
! 89: * The following are symbols used by various debuggers and by the Pascal
! 90: * compiler. Each of them must have one (or more) of the bits defined by
! 91: * the N_STAB mask set.
! 92: */
! 93:
! 94: #define N_GSYM 0x20 /* global symbol */
! 95: #define N_FNAME 0x22 /* F77 function name */
! 96: #define N_FUN 0x24 /* procedure name */
! 97: #define N_STSYM 0x26 /* data segment variable */
! 98: #define N_LCSYM 0x28 /* bss segment variable */
! 99: #define N_MAIN 0x2a /* main function name */
! 100: #define N_PC 0x30 /* global Pascal symbol */
! 101: #define N_RSYM 0x40 /* register variable */
! 102: #define N_SLINE 0x44 /* text segment line number */
! 103: #define N_DSLINE 0x46 /* data segment line number */
! 104: #define N_BSLINE 0x48 /* bss segment line number */
! 105: #define N_SSYM 0x60 /* structure/union element */
! 106: #define N_SO 0x64 /* main source file name */
! 107: #define N_LSYM 0x80 /* stack variable */
! 108: #define N_BINCL 0x82 /* include file beginning */
! 109: #define N_SOL 0x84 /* included source file name */
! 110: #define N_PSYM 0xa0 /* parameter variable */
! 111: #define N_EINCL 0xa2 /* include file end */
! 112: #define N_ENTRY 0xa4 /* alternate entry point */
! 113: #define N_LBRAC 0xc0 /* left bracket */
! 114: #define N_EXCL 0xc2 /* deleted include file */
! 115: #define N_RBRAC 0xe0 /* right bracket */
! 116: #define N_BCOMM 0xe2 /* begin common */
! 117: #define N_ECOMM 0xe4 /* end common */
! 118: #define N_ECOML 0xe8 /* end common (local name) */
! 119: #define N_LENG 0xfe /* length of preceding entry */
! 120:
! 121: #endif /* !_DB_AOUT_H_ */
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