ptrace.h revision 85297 
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: head/sys/sys/ptrace.h 85297 2001-10-21 23:57:24Z des $
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
54#define	PT_FIRSTMACH	32	/* for machine-specific requests */
55#include <machine/ptrace.h>	/* machine-specific requests, if any */
56
57#ifdef _KERNEL
58int	ptrace_set_pc(struct thread *_td, unsigned long _addr);
59int	ptrace_single_step(struct thread *_td);
60
61/*
62 * These are prototypes for functions that implement some of the
63 * debugging functionality exported by procfs / linprocfs and by the
64 * ptrace(2) syscall.  They used to be part of procfs, but they don't
65 * really belong there.
66 */
67struct reg;
68struct fpreg;
69struct dbreg;
70int	proc_read_regs(struct thread *_td, struct reg *_reg);
71int	proc_write_regs(struct thread *_td, struct reg *_reg);
72int	proc_read_fpregs(struct thread *_td, struct fpreg *_fpreg);
73int	proc_write_fpregs(struct thread *_td, struct fpreg *_fpreg);
74int	proc_read_dbregs(struct thread *_td, struct dbreg *_dbreg);
75int	proc_write_dbregs(struct thread *_td, struct dbreg *_dbreg);
76int	proc_sstep(struct thread *_td);
77int	proc_rwmem(struct proc *_p, struct uio *_uio);
78#else /* !_KERNEL */
79
80#include <sys/cdefs.h>
81
82__BEGIN_DECLS
83int	ptrace(int _request, pid_t _pid, caddr_t _addr, int _data);
84__END_DECLS
85
86#endif /* !_KERNEL */
87
88#endif	/* !_SYS_PTRACE_H_ */
89