xref: /netbsd/sys/arch/i386/include/ptrace.h (revision bf9ec67e)
1 /*	$NetBSD: ptrace.h,v 1.8 2002/05/09 16:28:12 thorpej Exp $	*/
2 
3 /*
4  * Copyright (c) 2001 Wasabi Systems, Inc.
5  * All rights reserved.
6  *
7  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
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  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *	This product includes software developed for the NetBSD Project by
20  *	Wasabi Systems, Inc.
21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22  *    or promote products derived from this software without specific prior
23  *    written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35  * POSSIBILITY OF SUCH DAMAGE.
36  */
37 
38 /*
39  * Copyright (c) 1993 Christopher G. Demetriou
40  * All rights reserved.
41  *
42  * Redistribution and use in source and binary forms, with or without
43  * modification, are permitted provided that the following conditions
44  * are met:
45  * 1. Redistributions of source code must retain the above copyright
46  *    notice, this list of conditions and the following disclaimer.
47  * 2. Redistributions in binary form must reproduce the above copyright
48  *    notice, this list of conditions and the following disclaimer in the
49  *    documentation and/or other materials provided with the distribution.
50  * 3. All advertising materials mentioning features or use of this software
51  *    must display the following acknowledgement:
52  *      This product includes software developed by Christopher G. Demetriou.
53  * 4. The name of the author may not be used to endorse or promote products
54  *    derived from this software without specific prior written permission
55  *
56  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
57  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
58  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
59  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
60  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
61  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
62  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
63  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
64  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
65  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66  */
67 
68 #ifndef _I386_PTRACE_H_
69 #define	_I386_PTRACE_H_
70 
71 /*
72  * i386-dependent ptrace definitions
73  */
74 #define	PT_STEP		(PT_FIRSTMACH + 0)
75 #define	PT_GETREGS	(PT_FIRSTMACH + 1)
76 #define	PT_SETREGS	(PT_FIRSTMACH + 2)
77 #define	PT_GETFPREGS	(PT_FIRSTMACH + 3)
78 #define	PT_SETFPREGS	(PT_FIRSTMACH + 4)
79 
80 /* We have machine-dependent process tracing needs. */
81 #define	__HAVE_PTRACE_MACHDEP
82 
83 /* We have machine-dependent procfs nodes. */
84 #define	__HAVE_PROCFS_MACHDEP
85 
86 /* The machine-dependent ptrace(2) requests. */
87 #define	PT_GETXMMREGS	(PT_FIRSTMACH + 5)
88 #define	PT_SETXMMREGS	(PT_FIRSTMACH + 6)
89 
90 #ifdef _KERNEL
91 
92 /*
93  * These are used in sys_ptrace() to find good ptrace(2) requests.
94  */
95 #define	PTRACE_MACHDEP_REQUEST_CASES					\
96 	case PT_GETXMMREGS:						\
97 	case PT_SETXMMREGS:
98 
99 /*
100  * These are used to define machine-dependent procfs node types.
101  */
102 #define	PROCFS_MACHDEP_NODE_TYPES					\
103 	Pmachdep_xmmregs,	/* extended FP register set */
104 
105 /*
106  * These are used in switch statements to catch machine-dependent
107  * procfs node types.
108  */
109 #define	PROCFS_MACHDEP_NODETYPE_CASES					\
110 	case Pmachdep_xmmregs:
111 
112 /*
113  * These are used to protect a privileged process's state.
114  */
115 #define	PROCFS_MACHDEP_PROTECT_CASES					\
116 	case Pmachdep_xmmregs:
117 
118 /*
119  * These are used to define the machine-dependent procfs nodes.
120  */
121 #define	PROCFS_MACHDEP_NODETYPE_DEFNS					\
122 	{ DT_REG, N("xmmregs"), Pmachdep_xmmregs,			\
123 	  procfs_machdep_validxmmregs },
124 
125 struct xmmregs;
126 
127 /* Functions used by both ptrace(2) and procfs. */
128 int	process_machdep_doxmmregs(struct proc *, struct proc *, struct uio *);
129 int	process_machdep_validxmmregs(struct proc *);
130 
131 /* Functions used by procfs. */
132 struct mount;
133 struct pfsnode;
134 int	procfs_machdep_doxmmregs(struct proc *, struct proc *,
135 	    struct pfsnode *, struct uio *);
136 int	procfs_machdep_validxmmregs(struct proc *, struct mount *);
137 
138 #endif /* _KERNEL */
139 
140 #endif /* _I386_PTRACE_H_ */
141