nlist.h

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/*-
 * 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
 */
#ifndef __POSIX_NLIST_H__
#define __POSIX_NLIST_H__       1
#include <libc.h>

struct nlist 
{
  char          *n_name;        /* symbol name (in memory) */
  unsigned char n_type;         /* type defines */
#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 */
#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            /* set vector symbol */
#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 */
  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 NLIST_ISLAST(p)       (p->n_name == 0 || p->n_name[0] == 0)

typedef int     (*t_elf_load_fn)(struct nlist *nl);

/* PROTO nlist.c */
/* nlist.c */
int nlist(int fd, struct nlist *list);
#endif

---