gdb_machdep.h revision 177288 
1/*-
2 * Copyright (c) 2006 Marcel Moolenaar
3 * 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 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/powerpc/include/gdb_machdep.h 177288 2008-03-17 00:46:52Z marcel $
27 */
28
29#ifndef _MACHINE_GDB_MACHDEP_H_
30#define	_MACHINE_GDB_MACHDEP_H_
31
32#define	PPC_GDB_NREGS4	(32 + 7 + 2)
33#define	PPC_GDB_NREGS8	32
34#define	PPC_GDB_NREGS16	32
35
36#define GDB_NREGS	(PPC_GDB_NREGS4 + PPC_GDB_NREGS8 + PPC_GDB_NREGS16)
37#define	GDB_REG_PC	64
38
39#define	GDB_BUFSZ	(PPC_GDB_NREGS4 * 8 +	\
40			 PPC_GDB_NREGS8 * 16 +	\
41			 PPC_GDB_NREGS16 * 32)
42
43static __inline size_t
44gdb_cpu_regsz(int regnum)
45{
46
47	if (regnum >= 32 && regnum <= 63)
48		return (8);
49	if (regnum >= 71 && regnum <= 102)
50		return (16);
51	return (4);
52}
53
54static __inline int
55gdb_cpu_query(void)
56{
57
58	return (0);
59}
60
61void *gdb_cpu_getreg(int, size_t *);
62void gdb_cpu_setreg(int, void *);
63int gdb_cpu_signal(int, int);
64
65#endif /* !_MACHINE_GDB_MACHDEP_H_ */
66