1a9643ea8Slogwang /*- 2*22ce4affSfengbojiang * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3*22ce4affSfengbojiang * 4a9643ea8Slogwang * Copyright (c) 2005 Antoine Brodin 5a9643ea8Slogwang * All rights reserved. 6a9643ea8Slogwang * 7a9643ea8Slogwang * Redistribution and use in source and binary forms, with or without 8a9643ea8Slogwang * modification, are permitted provided that the following conditions 9a9643ea8Slogwang * are met: 10a9643ea8Slogwang * 1. Redistributions of source code must retain the above copyright 11a9643ea8Slogwang * notice, this list of conditions and the following disclaimer. 12a9643ea8Slogwang * 2. Redistributions in binary form must reproduce the above copyright 13a9643ea8Slogwang * notice, this list of conditions and the following disclaimer in the 14a9643ea8Slogwang * documentation and/or other materials provided with the distribution. 15a9643ea8Slogwang * 16a9643ea8Slogwang * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17a9643ea8Slogwang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18a9643ea8Slogwang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19a9643ea8Slogwang * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20a9643ea8Slogwang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21a9643ea8Slogwang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22a9643ea8Slogwang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23a9643ea8Slogwang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24a9643ea8Slogwang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25a9643ea8Slogwang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26a9643ea8Slogwang * SUCH DAMAGE. 27a9643ea8Slogwang * 28a9643ea8Slogwang * $FreeBSD$ 29a9643ea8Slogwang */ 30a9643ea8Slogwang 31a9643ea8Slogwang #ifndef _SYS_STACK_H_ 32a9643ea8Slogwang #define _SYS_STACK_H_ 33a9643ea8Slogwang 34a9643ea8Slogwang #include <sys/_stack.h> 35a9643ea8Slogwang 36*22ce4affSfengbojiang #ifdef _SYS_MALLOC_H_ 37*22ce4affSfengbojiang MALLOC_DECLARE(M_STACK); 38*22ce4affSfengbojiang #endif 39*22ce4affSfengbojiang 40a9643ea8Slogwang struct sbuf; 41a9643ea8Slogwang 42*22ce4affSfengbojiang enum stack_sbuf_fmt { 43*22ce4affSfengbojiang STACK_SBUF_FMT_NONE = 0, 44*22ce4affSfengbojiang STACK_SBUF_FMT_LONG = 1, 45*22ce4affSfengbojiang STACK_SBUF_FMT_COMPACT = 2, 46*22ce4affSfengbojiang }; 47*22ce4affSfengbojiang 48a9643ea8Slogwang /* MI Routines. */ 49*22ce4affSfengbojiang struct stack *stack_create(int); 50a9643ea8Slogwang void stack_destroy(struct stack *); 51a9643ea8Slogwang int stack_put(struct stack *, vm_offset_t); 52a9643ea8Slogwang void stack_copy(const struct stack *, struct stack *); 53a9643ea8Slogwang void stack_zero(struct stack *); 54a9643ea8Slogwang void stack_print(const struct stack *); 55a9643ea8Slogwang void stack_print_ddb(const struct stack *); 56a9643ea8Slogwang void stack_print_short(const struct stack *); 57a9643ea8Slogwang void stack_print_short_ddb(const struct stack *); 58a9643ea8Slogwang void stack_sbuf_print(struct sbuf *, const struct stack *); 59a9643ea8Slogwang void stack_sbuf_print_ddb(struct sbuf *, const struct stack *); 60*22ce4affSfengbojiang int stack_sbuf_print_flags(struct sbuf *, const struct stack *, 61*22ce4affSfengbojiang int, enum stack_sbuf_fmt); 62a9643ea8Slogwang #ifdef KTR 63a9643ea8Slogwang void stack_ktr(u_int, const char *, int, const struct stack *, 64*22ce4affSfengbojiang u_int); 65*22ce4affSfengbojiang #define CTRSTACK(m, st, depth) do { \ 66a9643ea8Slogwang if (KTR_COMPILE & (m)) \ 67*22ce4affSfengbojiang stack_ktr((m), __FILE__, __LINE__, st, depth); \ 68a9643ea8Slogwang } while(0) 69a9643ea8Slogwang #else 70*22ce4affSfengbojiang #define CTRSTACK(m, st, depth) 71a9643ea8Slogwang #endif 72a9643ea8Slogwang 73a9643ea8Slogwang /* MD Routines. */ 74a9643ea8Slogwang struct thread; 75a9643ea8Slogwang void stack_save(struct stack *); 76*22ce4affSfengbojiang int stack_save_td(struct stack *, struct thread *); 77a9643ea8Slogwang 78a9643ea8Slogwang #endif 79