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Annotation of 43BSDTahoe/include/nlist.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1980 Regents of the University of California.
                      3:  * All rights reserved.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  *
                      6:  *     @(#)nlist.h     5.2 (Berkeley) 4/7/87
                      7:  */
                      8: 
                      9: /*
                     10:  * Format of a symbol table entry; this file is included by <a.out.h>
                     11:  * and should be used if you aren't interested the a.out header
                     12:  * or relocation information.
                     13:  */
                     14: struct nlist {
                     15:        char    *n_name;        /* for use when in-core */
                     16:        unsigned char n_type;   /* type flag, i.e. N_TEXT etc; see below */
                     17:        char    n_other;        /* unused */
                     18:        short   n_desc;         /* see <stab.h> */
                     19:        unsigned long n_value;  /* value of this symbol (or sdb offset) */
                     20: };
                     21: #define        n_hash  n_desc          /* used internally by ld */
                     22: 
                     23: /*
                     24:  * Simple values for n_type.
                     25:  */
                     26: #define        N_UNDF  0x0             /* undefined */
                     27: #define        N_ABS   0x2             /* absolute */
                     28: #define        N_TEXT  0x4             /* text */
                     29: #define        N_DATA  0x6             /* data */
                     30: #define        N_BSS   0x8             /* bss */
                     31: #define        N_COMM  0x12            /* common (internal to ld) */
                     32: #define        N_FN    0x1e            /* file name symbol */
                     33: 
                     34: #define        N_EXT   01              /* external bit, or'ed in */
                     35: #define        N_TYPE  0x1e            /* mask for all the type bits */
                     36: 
                     37: /*
                     38:  * Sdb entries have some of the N_STAB bits set.
                     39:  * These are given in <stab.h>
                     40:  */
                     41: #define        N_STAB  0xe0            /* if any of these bits set, a SDB entry */
                     42: 
                     43: /*
                     44:  * Format for namelist values.
                     45:  */
                     46: #define        N_FORMAT        "%08x"

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