xref: /freebsd-src/cddl/contrib/opensolaris/lib/libdtrace/common/dt_as.h (revision 6ff6d951ade3f3379932df7f878ef3ea272cfc59)
1*6ff6d951SJohn Birrell /*
2*6ff6d951SJohn Birrell  * CDDL HEADER START
3*6ff6d951SJohn Birrell  *
4*6ff6d951SJohn Birrell  * The contents of this file are subject to the terms of the
5*6ff6d951SJohn Birrell  * Common Development and Distribution License, Version 1.0 only
6*6ff6d951SJohn Birrell  * (the "License").  You may not use this file except in compliance
7*6ff6d951SJohn Birrell  * with the License.
8*6ff6d951SJohn Birrell  *
9*6ff6d951SJohn Birrell  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*6ff6d951SJohn Birrell  * or http://www.opensolaris.org/os/licensing.
11*6ff6d951SJohn Birrell  * See the License for the specific language governing permissions
12*6ff6d951SJohn Birrell  * and limitations under the License.
13*6ff6d951SJohn Birrell  *
14*6ff6d951SJohn Birrell  * When distributing Covered Code, include this CDDL HEADER in each
15*6ff6d951SJohn Birrell  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*6ff6d951SJohn Birrell  * If applicable, add the following below this CDDL HEADER, with the
17*6ff6d951SJohn Birrell  * fields enclosed by brackets "[]" replaced with your own identifying
18*6ff6d951SJohn Birrell  * information: Portions Copyright [yyyy] [name of copyright owner]
19*6ff6d951SJohn Birrell  *
20*6ff6d951SJohn Birrell  * CDDL HEADER END
21*6ff6d951SJohn Birrell  */
22*6ff6d951SJohn Birrell /*
23*6ff6d951SJohn Birrell  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*6ff6d951SJohn Birrell  * Use is subject to license terms.
25*6ff6d951SJohn Birrell  */
26*6ff6d951SJohn Birrell 
27*6ff6d951SJohn Birrell #ifndef	_DT_AS_H
28*6ff6d951SJohn Birrell #define	_DT_AS_H
29*6ff6d951SJohn Birrell 
30*6ff6d951SJohn Birrell #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*6ff6d951SJohn Birrell 
32*6ff6d951SJohn Birrell #include <sys/types.h>
33*6ff6d951SJohn Birrell #include <sys/dtrace.h>
34*6ff6d951SJohn Birrell 
35*6ff6d951SJohn Birrell #ifdef	__cplusplus
36*6ff6d951SJohn Birrell extern "C" {
37*6ff6d951SJohn Birrell #endif
38*6ff6d951SJohn Birrell 
39*6ff6d951SJohn Birrell typedef struct dt_irnode {
40*6ff6d951SJohn Birrell 	uint_t di_label;		/* label number or DT_LBL_NONE */
41*6ff6d951SJohn Birrell 	dif_instr_t di_instr;		/* instruction opcode */
42*6ff6d951SJohn Birrell 	void *di_extern;		/* opcode-specific external reference */
43*6ff6d951SJohn Birrell 	struct dt_irnode *di_next;	/* next instruction */
44*6ff6d951SJohn Birrell } dt_irnode_t;
45*6ff6d951SJohn Birrell 
46*6ff6d951SJohn Birrell #define	DT_LBL_NONE	0		/* no label on this instruction */
47*6ff6d951SJohn Birrell 
48*6ff6d951SJohn Birrell typedef struct dt_irlist {
49*6ff6d951SJohn Birrell 	dt_irnode_t *dl_list;		/* pointer to first node in list */
50*6ff6d951SJohn Birrell 	dt_irnode_t *dl_last;		/* pointer to last node in list */
51*6ff6d951SJohn Birrell 	uint_t dl_len;			/* number of valid instructions */
52*6ff6d951SJohn Birrell 	uint_t dl_label;		/* next label number to assign */
53*6ff6d951SJohn Birrell } dt_irlist_t;
54*6ff6d951SJohn Birrell 
55*6ff6d951SJohn Birrell extern void dt_irlist_create(dt_irlist_t *);
56*6ff6d951SJohn Birrell extern void dt_irlist_destroy(dt_irlist_t *);
57*6ff6d951SJohn Birrell extern void dt_irlist_append(dt_irlist_t *, dt_irnode_t *);
58*6ff6d951SJohn Birrell extern uint_t dt_irlist_label(dt_irlist_t *);
59*6ff6d951SJohn Birrell 
60*6ff6d951SJohn Birrell #ifdef	__cplusplus
61*6ff6d951SJohn Birrell }
62*6ff6d951SJohn Birrell #endif
63*6ff6d951SJohn Birrell 
64*6ff6d951SJohn Birrell #endif	/* _DT_AS_H */
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