1 /*- 2 * Copyright (c) 1991 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)nlist.h 5.6 (Berkeley) 04/04/91 8 */ 9 10 #ifndef _NLIST_H_ 11 #define _NLIST_H_ 12 13 /* 14 * Symbol table entry format. The #ifdef's are so that programs including 15 * nlist.h can initialize nlist structures statically. 16 */ 17 struct nlist { 18 #ifdef _AOUT_INCLUDE_ 19 union { 20 char *n_name; /* symbol name (in memory) */ 21 long n_strx; /* file string table offset (on disk) */ 22 } n_un; 23 #else 24 char *n_name; /* symbol name (in memory) */ 25 #endif 26 27 #define N_UNDF 0x00 /* undefined */ 28 #define N_ABS 0x02 /* absolute address */ 29 #define N_TEXT 0x04 /* text segment */ 30 #define N_DATA 0x06 /* data segment */ 31 #define N_BSS 0x08 /* bss segment */ 32 #define N_COMM 0x12 /* common reference */ 33 #define N_FN 0x1e /* file name */ 34 35 #define N_EXT 0x01 /* external (global) bit, OR'ed in */ 36 #define N_TYPE 0x1e /* mask for all the type bits */ 37 unsigned char n_type; /* type defines */ 38 39 char n_other; /* spare */ 40 #define n_hash n_desc /* used internally by ld(1); XXX */ 41 short n_desc; /* used by stab entries */ 42 unsigned long n_value; /* address/value of the symbol */ 43 }; 44 45 #define N_FORMAT "%08x" /* namelist value format; XXX */ 46 #define N_STAB 0x0e0 /* mask for debugger symbols -- stab(5) */ 47 48 #include <sys/cdefs.h> 49 50 __BEGIN_DECLS 51 int nlist __P((const char *, struct nlist *)); 52 __END_DECLS 53 54 #endif /* !_NLIST_H_ */ 55