xref: /freebsd/sys/arm64/include/frame.h (revision 3fc36ee018bb836bd1796067cf4ef8683f166ebc)
1 /*-
2  * Copyright (c) 2014 Andrew Turner
3  * Copyright (c) 2014 The FreeBSD Foundation
4  * All rights reserved.
5  *
6  * This software was developed by Andrew Turner under
7  * sponsorship from the FreeBSD Foundation.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef _MACHINE_FRAME_H_
34 #define	_MACHINE_FRAME_H_
35 
36 #ifndef LOCORE
37 
38 #include <sys/signal.h>
39 #include <sys/ucontext.h>
40 
41 /*
42  * NOTE: keep this structure in sync with struct reg and struct mcontext.
43  */
44 struct trapframe {
45 	uint64_t tf_sp;
46 	uint64_t tf_lr;
47 	uint64_t tf_elr;
48 	uint64_t tf_spsr;
49 	uint64_t tf_x[30];
50 };
51 
52 struct arm64_frame {
53 	struct arm64_frame	*f_frame;
54 	u_long			f_retaddr;
55 };
56 
57 /*
58  * Signal frame, pushedonto the user stack
59  */
60 struct sigframe {
61 	siginfo_t       sf_si;          /* actual saved siginfo */
62 	ucontext_t      sf_uc;          /* actual saved ucontext */
63 };
64 
65 /*
66  * There is no fixed frame layout, other than to be 16-byte aligned
67  */
68 struct frame {
69 	int dummy;
70 };
71 
72 #endif /* !LOCORE */
73 
74 #endif /* !_MACHINE_FRAME_H_ */
75