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/*
* Mach Operating System
* Copyright (c) 1991 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* nlist.h - symbol table entry structure for an a.out file
* derived from FSF's a.out.gnu.h
*
*/
#ifndef _DDB_NLIST_H_
#define _DDB_NLIST_H_
struct nlist {
union n_un {
char *n_name; /* symbol name */
long n_strx; /* index into file string table */
} n_un;
unsigned char n_type; /* type flag, i.e. N_TEXT etc; see below */
unsigned char n_other; /* machdep uses */
short n_desc; /* see <stab.h> */
#if alpha
int n_pad; /* alignment, used to carry framesize info */
#endif
vm_offset_t n_value; /* value of this symbol (or sdb offset) */
};
/*
* Simple values for n_type.
*/
#define N_UNDF 0 /* undefined */
#define N_ABS 2 /* absolute */
#define N_TEXT 4 /* text */
#define N_DATA 6 /* data */
#define N_BSS 8 /* bss */
#define N_FN 0x1f /* file name symbol */
#define N_EXT 1 /* external bit, or'ed in */
#define N_TYPE 0x1e /* mask for all the type bits */
#define N_STAB 0xe0 /* if any of these bits set, a SDB entry */
#endif /* _DDB_NLIST_H_ */
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