xref: /dragonfly/sys/cpu/x86_64/include/frame.h (revision d4ef6694)
1 /*-
2  * Copyright (c) 2003 Peter Wemm.
3  * Copyright (c) 1990 The Regents of the University of California.
4  * Copyright (c) 2008 The DragonFly Project.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * William Jolitz.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  *	from: @(#)frame.h	5.2 (Berkeley) 1/18/91
39  * $FreeBSD: src/sys/amd64/include/frame.h,v 1.26 2003/11/08 04:39:22 peter Exp $
40  */
41 
42 #ifndef _CPU_FRAME_H_
43 #define _CPU_FRAME_H_
44 
45 /* JG? */
46 #include <sys/types.h>
47 
48 /*
49  * System stack frames.
50  */
51 
52 /*
53  * Exception/Trap Stack Frame
54  *
55  * The ordering of this is specifically so that we can take first 6
56  * the syscall arguments directly from the beginning of the frame.
57  */
58 
59 struct trapframe {
60 	/* note: tf_rdi matches mc_rdi in mcontext */
61 	register_t	tf_rdi;
62 	register_t	tf_rsi;
63 	register_t	tf_rdx;
64 	register_t	tf_rcx;
65 	register_t	tf_r8;
66 	register_t	tf_r9;
67 	register_t	tf_rax;
68 	register_t	tf_rbx;
69 	register_t	tf_rbp;
70 	register_t	tf_r10;
71 	register_t	tf_r11;
72 	register_t	tf_r12;
73 	register_t	tf_r13;
74 	register_t	tf_r14;
75 	register_t	tf_r15;
76 	register_t	tf_xflags;
77 	register_t	tf_trapno;
78 	register_t	tf_addr;
79 	register_t	tf_flags;
80 	/* below portion defined in hardware */
81 	register_t	tf_err;
82 	register_t	tf_rip;
83 	register_t	tf_cs;
84 	register_t	tf_rflags;
85 #define tf_sp tf_rsp
86 	register_t	tf_rsp;
87 	register_t	tf_ss;
88 };
89 
90 /* Interrupt stack frame */
91 
92 struct intrframe {
93 	register_t	if_vec;	/* vec */
94 	/* fs XXX */
95 	/* es XXX */
96 	/* ds XXX */
97 	register_t	if_rdi;
98 	register_t	if_rsi;
99 	register_t	if_rdx;
100 	register_t	if_rcx;
101 	register_t	if_r8;
102 	register_t	if_r9;
103 	register_t	if_rax;
104 	register_t	if_rbx;
105 	register_t	if_rbp;
106 	register_t	if_r10;
107 	register_t	if_r11;
108 	register_t	if_r12;
109 	register_t	if_r13;
110 	register_t	if_r14;
111 	register_t	if_r15;
112 	register_t	if_xflags;	/* compat with trap frame - xflags */
113 	register_t	:64;		/* compat with trap frame - trapno */
114 	register_t	:64;		/* compat with trap frame - addr */
115 	register_t	:64;		/* compat with trap frame - flags */
116 	register_t	:64;		/* compat with trap frame - err */
117 	/* below portion defined in hardware */
118 	register_t	if_rip;
119 	register_t	if_cs;
120 	register_t	if_rflags;
121 	register_t	if_rsp;
122 	register_t	if_ss;
123 };
124 
125 int	kdb_trap(int, int, struct trapframe *);
126 
127 #endif /* _CPU_FRAME_H_ */
128