mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-26 11:47:31 +00:00
122 lines
4.5 KiB
C
122 lines
4.5 KiB
C
/*-
|
|
* Copyright (c) 1991, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
* (c) UNIX System Laboratories, Inc.
|
|
* All or some portions of this file are derived from material licensed
|
|
* to the University of California by American Telephone and Telegraph
|
|
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
|
|
* the permission of UNIX System Laboratories, Inc.
|
|
*
|
|
* 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 8.2 (Berkeley) 1/21/94
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _NLIST_H_
|
|
#define _NLIST_H_
|
|
|
|
/*
|
|
* Symbol table entries in a.out files.
|
|
*/
|
|
|
|
/*
|
|
* Layout of each symbol. The "#ifdef _AOUT_INCLUDE_" is 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
|
|
unsigned char n_type; /* type defines */
|
|
char n_other; /* ".type" and binding information */
|
|
short n_desc; /* used by stab entries */
|
|
unsigned long n_value; /* address/value of the symbol */
|
|
};
|
|
|
|
#define n_hash n_desc /* used internally by ld(1); XXX */
|
|
|
|
/*
|
|
* Defines for n_type.
|
|
*/
|
|
#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 /* alias definition */
|
|
#define N_SIZE 0x0c /* pseudo type, defines a symbol's size */
|
|
#define N_COMM 0x12 /* common reference */
|
|
/* GNU extensions */
|
|
#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. */
|
|
/* end GNU extensions */
|
|
#define N_FN 0x1e /* file name (N_EXT on) */
|
|
#define N_WARN 0x1e /* warning message (N_EXT off) */
|
|
|
|
#define N_EXT 0x01 /* external (global) bit, OR'ed in */
|
|
#define N_TYPE 0x1e /* mask for all the type bits */
|
|
#define N_STAB 0xe0 /* mask for debugger symbols -- stab(5) */
|
|
|
|
/*
|
|
* Defines for n_other. It contains the ".type" (AUX) field in the least
|
|
* significant 4 bits, and the binding (for weak symbols) in the most
|
|
* significant 4 bits.
|
|
*/
|
|
#define N_AUX(p) ((p)->n_other & 0xf)
|
|
#define N_BIND(p) (((unsigned int)(p)->n_other >> 4) & 0xf)
|
|
#define N_OTHER(r, v) (((unsigned int)(r) << 4) | ((v) & 0xf))
|
|
|
|
#define AUX_OBJECT 1 /* data object */
|
|
#define AUX_FUNC 2 /* function */
|
|
|
|
/*#define BIND_LOCAL 0 not used */
|
|
/*#define BIND_GLOBAL 1 not used */
|
|
#define BIND_WEAK 2 /* weak binding */
|
|
|
|
#define N_FORMAT "%08x" /* namelist value format; XXX */
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__BEGIN_DECLS
|
|
int nlist __P((const char *, struct nlist *));
|
|
__END_DECLS
|
|
|
|
#endif /* !_NLIST_H_ */
|