1*a864dc36Sdarran /* 2*a864dc36Sdarran * CDDL HEADER START 3*a864dc36Sdarran * 4*a864dc36Sdarran * The contents of this file are subject to the terms of the 5*a864dc36Sdarran * Common Development and Distribution License, Version 1.0 only 6*a864dc36Sdarran * (the "License"). You may not use this file except in compliance 7*a864dc36Sdarran * with the License. 8*a864dc36Sdarran * 9*a864dc36Sdarran * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*a864dc36Sdarran * or http://www.opensolaris.org/os/licensing. 11*a864dc36Sdarran * See the License for the specific language governing permissions 12*a864dc36Sdarran * and limitations under the License. 13*a864dc36Sdarran * 14*a864dc36Sdarran * When distributing Covered Code, include this CDDL HEADER in each 15*a864dc36Sdarran * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*a864dc36Sdarran * If applicable, add the following below this CDDL HEADER, with the 17*a864dc36Sdarran * fields enclosed by brackets "[]" replaced with your own identifying 18*a864dc36Sdarran * information: Portions Copyright [yyyy] [name of copyright owner] 19*a864dc36Sdarran * 20*a864dc36Sdarran * CDDL HEADER END 21*a864dc36Sdarran */ 22*a864dc36Sdarran /* 23*a864dc36Sdarran * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*a864dc36Sdarran * Use is subject to license terms. 25*a864dc36Sdarran */ 26*a864dc36Sdarran 27*a864dc36Sdarran #ifndef _DT_INTTAB_H 28*a864dc36Sdarran #define _DT_INTTAB_H 29*a864dc36Sdarran 30*a864dc36Sdarran #pragma ident "%Z%%M% %I% %E% SMI" 31*a864dc36Sdarran 32*a864dc36Sdarran #include <dtrace.h> 33*a864dc36Sdarran 34*a864dc36Sdarran #ifdef __cplusplus 35*a864dc36Sdarran extern "C" { 36*a864dc36Sdarran #endif 37*a864dc36Sdarran 38*a864dc36Sdarran typedef struct dt_inthash { 39*a864dc36Sdarran struct dt_inthash *inh_hash; /* next dt_inthash in hash chain */ 40*a864dc36Sdarran struct dt_inthash *inh_next; /* next dt_inthash in output table */ 41*a864dc36Sdarran uint64_t inh_value; /* value associated with this element */ 42*a864dc36Sdarran uint_t inh_index; /* index associated with this element */ 43*a864dc36Sdarran uint_t inh_flags; /* flags (see below) */ 44*a864dc36Sdarran } dt_inthash_t; 45*a864dc36Sdarran 46*a864dc36Sdarran typedef struct dt_inttab { 47*a864dc36Sdarran dtrace_hdl_t *int_hdl; /* pointer back to library handle */ 48*a864dc36Sdarran dt_inthash_t **int_hash; /* array of hash buckets */ 49*a864dc36Sdarran uint_t int_hashlen; /* size of hash bucket array */ 50*a864dc36Sdarran uint_t int_nelems; /* number of elements hashed */ 51*a864dc36Sdarran dt_inthash_t *int_head; /* head of table in index order */ 52*a864dc36Sdarran dt_inthash_t *int_tail; /* tail of table in index order */ 53*a864dc36Sdarran uint_t int_index; /* next index to hand out */ 54*a864dc36Sdarran } dt_inttab_t; 55*a864dc36Sdarran 56*a864dc36Sdarran #define DT_INT_PRIVATE 0 /* only a single ref for this entry */ 57*a864dc36Sdarran #define DT_INT_SHARED 1 /* multiple refs can share entry */ 58*a864dc36Sdarran 59*a864dc36Sdarran extern dt_inttab_t *dt_inttab_create(dtrace_hdl_t *); 60*a864dc36Sdarran extern void dt_inttab_destroy(dt_inttab_t *); 61*a864dc36Sdarran extern int dt_inttab_insert(dt_inttab_t *, uint64_t, uint_t); 62*a864dc36Sdarran extern uint_t dt_inttab_size(const dt_inttab_t *); 63*a864dc36Sdarran extern void dt_inttab_write(const dt_inttab_t *, uint64_t *); 64*a864dc36Sdarran 65*a864dc36Sdarran #ifdef __cplusplus 66*a864dc36Sdarran } 67*a864dc36Sdarran #endif 68*a864dc36Sdarran 69*a864dc36Sdarran #endif /* _DT_INTTAB_H */ 70