FreeBSD/Linux Kernel Cross Reference
sys/sys/stack.h
1 /*-
2 * Copyright (c) 2005 Antoine Brodin
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/6.3/sys/sys/stack.h 173886 2007-11-24 19:45:58Z cvs2svn $
27 */
28
29 #ifndef _SYS_STACK_H_
30 #define _SYS_STACK_H_
31
32 #define STACK_MAX 18 /* Don't change, stack_ktr relies on this. */
33
34 struct sbuf;
35
36 struct stack {
37 int depth;
38 vm_offset_t pcs[STACK_MAX];
39 };
40
41 /* MI Routines. */
42 struct stack *stack_create(void);
43 void stack_destroy(struct stack *);
44 int stack_put(struct stack *, vm_offset_t);
45 void stack_copy(struct stack *, struct stack *);
46 void stack_zero(struct stack *);
47 void stack_print(struct stack *);
48 void stack_sbuf_print(struct sbuf *, struct stack *);
49 #ifdef KTR
50 void stack_ktr(u_int, const char *, int, struct stack *, u_int, int);
51 #define CTRSTACK(m, st, depth, cheap) do { \
52 if (KTR_COMPILE & (m)) \
53 stack_ktr((m), __FILE__, __LINE__, st, depth, cheap); \
54 } while(0)
55 #else
56 #define CTRSTACK(m, st, depth, cheap)
57 #endif
58
59 /* MD Routine. */
60 void stack_save(struct stack *);
61
62 #endif
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