must have directory vnode as first op

[unix-history] / usr / src / include / nlist.h

/*-
* Copyright (c) 1991 The Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*
*      @(#)nlist.h     5.6 (Berkeley) %G%
*/

#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_COMM  0x12            /* common reference */
#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_ */