[unix-history] / include / nlist.h

/*-
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)nlist.h	5.6 (Berkeley) 4/4/91
 */

#ifndef _NLIST_H_
#define	_NLIST_H_

/*
 * Symbol table entry format.  The #ifdef's are so that programs including
 * nlist.h can initialize nlist structures statically.
 */
struct nlist {
#ifdef _AOUT_INCLUDE_
	union {
		char *n_name;	/* symbol name (in memory) */
		long n_strx;	/* file string table offset (on disk) */
	} n_un;
#else
	char *n_name;		/* symbol name (in memory) */
#endif

#define	N_UNDF	0x00		/* undefined */
#define	N_ABS	0x02		/* absolute address */
#define	N_TEXT	0x04		/* text segment */
#define	N_DATA	0x06		/* data segment */
#define	N_BSS	0x08		/* bss segment */
#define	N_INDR	0x0a		/* indirect reference */
#define	N_COMM	0x12		/* common reference */
#define	N_SETA	0x14		/* absolute set element symbol */
#define	N_SETT	0x16		/* text set element symbol */
#define	N_SETD	0x18		/* data set element symbol */
#define	N_SETB	0x1a		/* bss set element symbol */
#define	N_SETV	0x1c		/* pointer to set vector in data area */
#define	N_FN	0x1e		/* file name */

#define	N_EXT	0x01		/* external (global) bit, OR'ed in */
#define	N_TYPE	0x1e		/* mask for all the type bits */
	unsigned char n_type;	/* type defines */

	char n_other;		/* spare */
#define	n_hash	n_desc		/* used internally by ld(1); XXX */
	short n_desc;		/* used by stab entries */
	unsigned long n_value;	/* address/value of the symbol */
};

#define	N_FORMAT	"%08x"	/* namelist value format; XXX */
#define	N_STAB		0x0e0	/* mask for debugger symbols -- stab(5) */

#include <sys/cdefs.h>

__BEGIN_DECLS
int nlist __P((const char *, struct nlist *));
__END_DECLS

#endif /* !_NLIST_H_ */
Commit	Line	Data
15637ed4 RG	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 (Berkeley) 4/4/91
	34	*/
	35
	36	#ifndef _NLIST_H_
	37	#define _NLIST_H_
	38
	39	/*
	40	* Symbol table entry format. The #ifdef's are so that programs including
	41	* nlist.h can initialize nlist structures statically.
	42	*/
	43	struct nlist {
	44	#ifdef _AOUT_INCLUDE_
	45	union {
	46	char n_name; / symbol name (in memory) */
	47	long n_strx; /* file string table offset (on disk) */
	48	} n_un;
	49	#else
	50	char n_name; / symbol name (in memory) */
	51	#endif
	52
	53	#define N_UNDF 0x00 /* undefined */
	54	#define N_ABS 0x02 /* absolute address */
	55	#define N_TEXT 0x04 /* text segment */
	56	#define N_DATA 0x06 /* data segment */
	57	#define N_BSS 0x08 /* bss segment */
13952de8	58	#define N_INDR 0x0a /* indirect reference */
15637ed4	59	#define N_COMM 0x12 /* common reference */
13952de8 JH	60	#define N_SETA 0x14 /* absolute set element symbol */
	61	#define N_SETT 0x16 /* text set element symbol */
	62	#define N_SETD 0x18 /* data set element symbol */
	63	#define N_SETB 0x1a /* bss set element symbol */
	64	#define N_SETV 0x1c /* pointer to set vector in data area */
15637ed4 RG	65	#define N_FN 0x1e /* file name */
	66
	67	#define N_EXT 0x01 /* external (global) bit, OR'ed in */
	68	#define N_TYPE 0x1e /* mask for all the type bits */
	69	unsigned char n_type; /* type defines */
	70
	71	char n_other; /* spare */
	72	#define n_hash n_desc /* used internally by ld(1); XXX */
	73	short n_desc; /* used by stab entries */
	74	unsigned long n_value; /* address/value of the symbol */
	75	};
	76
	77	#define N_FORMAT "%08x" /* namelist value format; XXX */
	78	#define N_STAB 0x0e0 /* mask for debugger symbols -- stab(5) */
	79
	80	#include <sys/cdefs.h>
	81
	82	__BEGIN_DECLS
	83	int nlist __P((const char , struct nlist ));
	84	__END_DECLS
	85
	86	#endif /* !_NLIST_H_ */