xref: /illumos-gate/usr/src/lib/libdtrace/common/dt_as.h (revision 581cede61ac9c14d8d4ea452562a567189eead78)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_DT_AS_H
28 #define	_DT_AS_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/types.h>
33 #include <sys/dtrace.h>
34 
35 #ifdef	__cplusplus
36 extern "C" {
37 #endif
38 
39 typedef struct dt_irnode {
40 	uint_t di_label;		/* label number or DT_LBL_NONE */
41 	dif_instr_t di_instr;		/* instruction opcode */
42 	void *di_extern;		/* opcode-specific external reference */
43 	struct dt_irnode *di_next;	/* next instruction */
44 } dt_irnode_t;
45 
46 #define	DT_LBL_NONE	0		/* no label on this instruction */
47 
48 typedef struct dt_irlist {
49 	dt_irnode_t *dl_list;		/* pointer to first node in list */
50 	dt_irnode_t *dl_last;		/* pointer to last node in list */
51 	uint_t dl_len;			/* number of valid instructions */
52 	uint_t dl_label;		/* next label number to assign */
53 } dt_irlist_t;
54 
55 extern void dt_irlist_create(dt_irlist_t *);
56 extern void dt_irlist_destroy(dt_irlist_t *);
57 extern void dt_irlist_append(dt_irlist_t *, dt_irnode_t *);
58 extern uint_t dt_irlist_label(dt_irlist_t *);
59 
60 #ifdef	__cplusplus
61 }
62 #endif
63 
64 #endif	/* _DT_AS_H */
65