47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* @(#)nlist.h 1.1 94/10/31 SMI; from UCB 4.1 83/05/03 */
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/*
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* Format of a symbol table entry; this file is included by <a.out.h>
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* and should be used if you aren't interested the a.out header
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* or relocation information.
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*/
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#ifndef _nlist_h
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#define _nlist_h
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struct nlist {
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char *n_name; /* for use when in-core */
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unsigned char n_type; /* type flag, i.e. N_TEXT etc; see below */
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char n_other; /* unused */
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short n_desc; /* see <stab.h> */
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unsigned long n_value; /* value of this symbol (or sdb offset) */
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};
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#define n_hash n_desc /* used internally by ld */
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/*
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* Simple values for n_type.
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*/
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#define N_UNDF 0x0 /* undefined */
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#define N_ABS 0x2 /* absolute */
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#define N_TEXT 0x4 /* text */
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#define N_DATA 0x6 /* data */
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#define N_BSS 0x8 /* bss */
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#define N_COMM 0x12 /* common (internal to ld) */
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#define N_FN 0x1e /* file name symbol */
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#define N_EXT 01 /* external bit, or'ed in */
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#define N_TYPE 0x1e /* mask for all the type bits */
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/*
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* Sdb entries have some of the N_STAB bits set.
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* These are given in <stab.h>
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*/
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#define N_STAB 0xe0 /* if any of these bits set, a SDB entry */
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/*
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* Format for namelist values.
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*/
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#define N_FORMAT "%08x"
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#endif /*!_nlist_h*/
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