1/*
2 * Copyright (c) 2005-2006 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _FBT_H
30#define _FBT_H
31
32#if defined (__ppc__) || defined (__ppc64__)
33typedef uint32_t machine_inst_t;
34#elif defined(__i386__) || defined (__x86_64__)
35typedef uint8_t machine_inst_t;
36#else
37#error Unknown Architecture
38#endif
39
40#define MAX_FBTP_NAME_CHARS 16
41
42typedef struct fbt_probe {
43	struct fbt_probe *fbtp_hashnext;
44	machine_inst_t	*fbtp_patchpoint;
45	int8_t			fbtp_rval;
46	machine_inst_t	fbtp_patchval;
47	machine_inst_t	fbtp_savedval;
48	uintptr_t		fbtp_roffset;
49	dtrace_id_t		fbtp_id;
50	char			fbtp_name[MAX_FBTP_NAME_CHARS];
51	struct modctl	*fbtp_ctl;
52	int		fbtp_loadcnt;
53	int		fbtp_symndx;
54	int		fbtp_primary;
55	struct fbt_probe *fbtp_next;
56} fbt_probe_t;
57
58extern int dtrace_invop(uintptr_t, uintptr_t *, uintptr_t);
59extern int fbt_invop(uintptr_t, uintptr_t *, uintptr_t);
60extern void fbt_provide_module(void *, struct modctl *);
61
62#endif /* _FBT_H */
63