xref: /dragonfly/sys/sys/ptrace.h (revision 984263bc)
1 /*-
2  * Copyright (c) 1984, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *	@(#)ptrace.h	8.2 (Berkeley) 1/4/94
34  * $FreeBSD: src/sys/sys/ptrace.h,v 1.10.2.2 2003/01/02 20:39:13 kan Exp $
35  */
36 
37 #ifndef	_SYS_PTRACE_H_
38 #define	_SYS_PTRACE_H_
39 
40 #define	PT_TRACE_ME	0	/* child declares it's being traced */
41 #define	PT_READ_I	1	/* read word in child's I space */
42 #define	PT_READ_D	2	/* read word in child's D space */
43 /* was	PT_READ_U	3	 * read word in child's user structure */
44 #define	PT_WRITE_I	4	/* write word in child's I space */
45 #define	PT_WRITE_D	5	/* write word in child's D space */
46 /* was	PT_WRITE_U	6	 * write word in child's user structure */
47 #define	PT_CONTINUE	7	/* continue the child */
48 #define	PT_KILL		8	/* kill the child process */
49 #define	PT_STEP		9	/* single step the child */
50 
51 #define	PT_ATTACH	10	/* trace some running process */
52 #define	PT_DETACH	11	/* stop tracing a process */
53 #define	PT_IO		12	/* do I/O to/from stopped process. */
54 
55 #define	PT_FIRSTMACH	32	/* for machine-specific requests */
56 #include <machine/ptrace.h>	/* machine-specific requests, if any */
57 
58 struct ptrace_io_desc {
59 	int	piod_op;	/* I/O operation */
60 	void	*piod_offs;	/* child offset */
61 	void	*piod_addr;	/* parent offset */
62 	size_t	piod_len;	/* request length */
63 };
64 
65 /*
66  *  * Operations in piod_op.
67  *   */
68 #define	PIOD_READ_D	1	/* Read from D space */
69 #define	PIOD_WRITE_D	2	/* Write to D space */
70 #define	PIOD_READ_I	3	/* Read from I space */
71 #define	PIOD_WRITE_I	4	/* Write to I space */
72 
73 #ifdef _KERNEL
74 void	proc_reparent __P((struct proc *child, struct proc *newparent));
75 int	ptrace_set_pc __P((struct proc *p, unsigned long addr));
76 int	ptrace_single_step __P((struct proc *p));
77 int	ptrace_write_u __P((struct proc *p, vm_offset_t off, long data));
78 int	kern_ptrace __P((struct proc *p, int req, pid_t pid, void *addr,
79 		int data));
80 #else /* !_KERNEL */
81 
82 #include <sys/cdefs.h>
83 
84 __BEGIN_DECLS
85 int	ptrace __P((int _request, pid_t _pid, caddr_t _addr, int _data));
86 __END_DECLS
87 
88 #endif /* !_KERNEL */
89 
90 #endif	/* !_SYS_PTRACE_H_ */
91