1/*
2 * Copyright (c) 2011 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 __AP_CALLSTACK_H__
30#define __AP_CALLSTACK_H__
31
32#define MAX_CALLSTACK_FRAMES (128)
33
34#define CALLSTACK_VALID     (1<<0)
35#define CALLSTACK_DEFERRED  (1<<1)
36#define CALLSTACK_64BIT     (1<<2)
37#define CALLSTACK_KERNEL    (1<<3)
38#define CALLSTACK_TRUNCATED (1<<4)
39
40struct callstack
41{
42	uint32_t flags;
43	uint32_t nframes;
44	uint64_t frames[MAX_CALLSTACK_FRAMES];
45};
46
47struct kperf_context;
48
49extern void kperf_kcallstack_sample( struct callstack *cs, struct kperf_context * );
50extern void kperf_kcallstack_log( struct callstack *cs );
51
52extern void kperf_ucallstack_sample( struct callstack *cs, struct kperf_context * );
53extern int kperf_ucallstack_pend( struct kperf_context * );
54extern void kperf_ucallstack_log( struct callstack *cs );
55
56
57#endif /* __AP_CALLSTACK_H__ */
58