xref: /illumos-gate/usr/src/uts/common/sys/systrace.h (revision 8a8d276f)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_SYSTRACE_H
28 #define	_SYS_SYSTRACE_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/dtrace.h>
33 
34 #ifdef	__cplusplus
35 extern "C" {
36 #endif
37 
38 #ifdef _KERNEL
39 
40 typedef struct systrace_sysent {
41 	dtrace_id_t	stsy_entry;
42 	dtrace_id_t	stsy_return;
43 	int64_t		(*stsy_underlying)();
44 } systrace_sysent_t;
45 
46 extern systrace_sysent_t *systrace_sysent;
47 extern systrace_sysent_t *systrace_sysent32;
48 
49 extern void (*systrace_probe)(dtrace_id_t, uintptr_t, uintptr_t,
50     uintptr_t, uintptr_t, uintptr_t, uintptr_t);
51 extern void systrace_stub(dtrace_id_t, uintptr_t, uintptr_t,
52     uintptr_t, uintptr_t, uintptr_t, uintptr_t);
53 
54 extern int64_t dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1,
55     uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);
56 
57 #ifdef _SYSCALL32_IMPL
58 extern int64_t dtrace_systrace_syscall32(uintptr_t arg0, uintptr_t arg1,
59     uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);
60 #endif
61 
62 #endif
63 
64 #ifdef	__cplusplus
65 }
66 #endif
67 
68 #endif	/* _SYS_SYSTRACE_H */
69