2 * Copyright (c) 2005 Antoine Brodin
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
32 #include <sys/stack.h>
33 #include <sys/systm.h>
35 #include <machine/pcb.h>
36 #include <machine/stack.h>
37 #include <machine/vmparam.h>
39 static void stack_capture(struct stack *st, struct frame *fp);
42 stack_capture(struct stack *st, struct frame *fp)
49 if (!INKERNEL(callpc))
51 if (stack_put(st, callpc) == -1)
53 fp = v9next_frame(fp);
58 stack_save_td(struct stack *st, struct thread *td)
61 if (TD_IS_SWAPPED(td))
62 panic("stack_save_td: swapped");
63 if (TD_IS_RUNNING(td))
64 panic("stack_save_td: running");
66 stack_capture(st, (struct frame *)(td->td_pcb->pcb_sp + SPOFF));
70 stack_save(struct stack *st)
73 stack_capture(st, (struct frame *)__builtin_frame_address(1));