e37a499443
of ktr slots used. If 'depth' is equal to 0, the whole stack will be logged, just like before.
63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/*-
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* Copyright (c) 2005 Antoine Brodin
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_STACK_H_
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#define _SYS_STACK_H_
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#define STACK_MAX 18 /* Don't change, stack_ktr relies on this. */
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struct sbuf;
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struct stack {
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int depth;
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vm_offset_t pcs[STACK_MAX];
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};
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/* MI Routines. */
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struct stack *stack_create(void);
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void stack_destroy(struct stack *);
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int stack_put(struct stack *, vm_offset_t);
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void stack_copy(struct stack *, struct stack *);
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void stack_zero(struct stack *);
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void stack_print(struct stack *);
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void stack_sbuf_print(struct sbuf *, struct stack *);
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#ifdef KTR
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void stack_ktr(u_int, const char *, int, struct stack *, u_int, int);
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#define CTRSTACK(m, st, depth, cheap) do { \
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if (KTR_COMPILE & (m)) \
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stack_ktr((m), __FILE__, __LINE__, st, depth, cheap); \
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} while(0)
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#else
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#define CTRSTACK(m, st, depth, cheap)
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#endif
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/* MD Routine. */
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void stack_save(struct stack *);
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#endif
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