70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _DT_INTTAB_H
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#define _DT_INTTAB_H
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#pragma ident "%Z%%M% %I% %E% SMI"
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#include <dtrace.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct dt_inthash {
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struct dt_inthash *inh_hash; /* next dt_inthash in hash chain */
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struct dt_inthash *inh_next; /* next dt_inthash in output table */
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uint64_t inh_value; /* value associated with this element */
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uint_t inh_index; /* index associated with this element */
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uint_t inh_flags; /* flags (see below) */
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} dt_inthash_t;
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typedef struct dt_inttab {
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dtrace_hdl_t *int_hdl; /* pointer back to library handle */
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dt_inthash_t **int_hash; /* array of hash buckets */
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uint_t int_hashlen; /* size of hash bucket array */
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uint_t int_nelems; /* number of elements hashed */
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dt_inthash_t *int_head; /* head of table in index order */
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dt_inthash_t *int_tail; /* tail of table in index order */
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uint_t int_index; /* next index to hand out */
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} dt_inttab_t;
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#define DT_INT_PRIVATE 0 /* only a single ref for this entry */
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#define DT_INT_SHARED 1 /* multiple refs can share entry */
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extern dt_inttab_t *dt_inttab_create(dtrace_hdl_t *);
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extern void dt_inttab_destroy(dt_inttab_t *);
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extern int dt_inttab_insert(dt_inttab_t *, uint64_t, uint_t);
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extern uint_t dt_inttab_size(const dt_inttab_t *);
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extern void dt_inttab_write(const dt_inttab_t *, uint64_t *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _DT_INTTAB_H */
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