78 lines
3.0 KiB
C
78 lines
3.0 KiB
C
/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _NLIST_H_
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#define _NLIST_H_
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#include <sys/types.h>
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/*
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* Symbol table entry format. The #ifdef's are so that programs including
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* nlist.h can initialize nlist structures statically.
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*/
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struct nlist {
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char *n_name; /* In memory address of symbol name,
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or string table offset (file) */
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u_short n_len; /* Length of name in bytes */
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u_short n_type; /* Type of symbol - see below */
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u_int n_value; /* Symbol value */
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};
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/*
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* Simple values for n_type.
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*/
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#define N_UNDF 0x00 /* undefined */
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#define N_ABS 0x01 /* absolute */
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#define N_TEXT 0x02 /* text segment */
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#define N_DATA 0x03 /* data segment */
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#define N_BSS 0x04 /* bss segment */
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#define N_STRNG 0x05 /* string segment (for assembler) */
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#define N_COMM 0x06 /* .comm segment (for assembler) */
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#define N_REG 0x14 /* register symbol */
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#define N_FN 0x1f /* file name */
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#define N_EXT 0x20 /* external (global) bit, OR'ed in */
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#define N_TYPE 0x1f /* mask for all the type bits */
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#define N_FORMAT "%06o" /* namelist value format; XXX */
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/*
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* Get symbols from a file.
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*/
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int nlist (char *name, struct nlist *list);
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/*
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* Get kernel symbols.
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*/
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int knlist (struct nlist *list);
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#endif /* !_NLIST_H_ */
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