1/*
2 * Copyright (c) 2000 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 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
30 *
31 * HISTORY
32 *
33 */
34
35#ifndef _OS_OSDEBBUG_H
36#define _OS_OSDEBBUG_H
37
38#include <sys/cdefs.h>
39#include <mach/mach_types.h>
40
41__BEGIN_DECLS
42
43/* Report a message with a 4 entry backtrace - very slow */
44extern void OSReportWithBacktrace(const char *str, ...) __printflike(1, 2);
45extern unsigned OSBacktrace(void **bt, unsigned maxAddrs);
46
47/* Simple dump of 20 backtrace entries */
48extern void OSPrintBacktrace(void);
49
50/*! @function OSKernelStackRemaining
51 * @abstract Returns bytes available below the current stack frame.
52 * @discussion Returns bytes available below the current stack frame. Safe for interrupt or thread context.
53 * @result Approximate byte count available. */
54
55vm_offset_t OSKernelStackRemaining( void );
56
57__END_DECLS
58
59#endif /* !_OS_OSDEBBUG_H */
60