xref: /illumos-gate/usr/src/uts/common/sys/systrace.h (revision a57549b4a2006e67bc7e247816f7ccd7fb62fce6)
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 #include <sys/dtrace.h>
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 #ifdef _KERNEL
37 
38 typedef struct systrace_sysent {
39 	dtrace_id_t	stsy_entry;
40 	dtrace_id_t	stsy_return;
41 	int64_t		(*stsy_underlying)();
42 } systrace_sysent_t;
43 
44 extern systrace_sysent_t *systrace_sysent;
45 extern systrace_sysent_t *systrace_sysent32;
46 
47 extern void (*systrace_probe)(dtrace_id_t, uintptr_t, uintptr_t,
48     uintptr_t, uintptr_t, uintptr_t, uintptr_t);
49 extern void systrace_stub(dtrace_id_t, uintptr_t, uintptr_t,
50     uintptr_t, uintptr_t, uintptr_t, uintptr_t);
51 
52 extern int64_t dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1,
53     uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);
54 
55 #ifdef _SYSCALL32_IMPL
56 extern int64_t dtrace_systrace_syscall32(uintptr_t arg0, uintptr_t arg1,
57     uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);
58 #endif
59 
60 #endif
61 
62 #ifdef	__cplusplus
63 }
64 #endif
65 
66 #endif	/* _SYS_SYSTRACE_H */
67