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Annotation of 42BSD/include/nlist.h, revision 1.1

1.1     ! root        1: /*     nlist.h 4.1     83/05/03        */
        !             2: 
        !             3: /*
        !             4:  * Format of a symbol table entry; this file is included by <a.out.h>
        !             5:  * and should be used if you aren't interested the a.out header
        !             6:  * or relocation information.
        !             7:  */
        !             8: struct nlist {
        !             9:        char    *n_name;        /* for use when in-core */
        !            10:        unsigned char n_type;   /* type flag, i.e. N_TEXT etc; see below */
        !            11:        char    n_other;        /* unused */
        !            12:        short   n_desc;         /* see <stab.h> */
        !            13:        unsigned long n_value;  /* value of this symbol (or sdb offset) */
        !            14: };
        !            15: #define        n_hash  n_desc          /* used internally by ld */
        !            16: 
        !            17: /*
        !            18:  * Simple values for n_type.
        !            19:  */
        !            20: #define        N_UNDF  0x0             /* undefined */
        !            21: #define        N_ABS   0x2             /* absolute */
        !            22: #define        N_TEXT  0x4             /* text */
        !            23: #define        N_DATA  0x6             /* data */
        !            24: #define        N_BSS   0x8             /* bss */
        !            25: #define        N_COMM  0x12            /* common (internal to ld) */
        !            26: #define        N_FN    0x1f            /* file name symbol */
        !            27: 
        !            28: #define        N_EXT   01              /* external bit, or'ed in */
        !            29: #define        N_TYPE  0x1e            /* mask for all the type bits */
        !            30: 
        !            31: /*
        !            32:  * Sdb entries have some of the N_STAB bits set.
        !            33:  * These are given in <stab.h>
        !            34:  */
        !            35: #define        N_STAB  0xe0            /* if any of these bits set, a SDB entry */
        !            36: 
        !            37: /*
        !            38:  * Format for namelist values.
        !            39:  */
        !            40: #define        N_FORMAT        "%08x"

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