1/* Native support for SCO OpenServer 5.
2   Copyright 1996, 1998, 2002 Free Software Foundation, Inc.
3   Re-written by J. Kean Johnston <jkj@sco.com>.
4   Originally written by Robert Lipe <robertl@dgii.com>, based on
5   work by Ian Lance Taylor <ian@cygnus.com> and
6   Martin Walker <maw@netcom.com>.
7
8   This file is part of GDB.
9
10   This program is free software; you can redistribute it and/or modify
11   it under the terms of the GNU General Public License as published by
12   the Free Software Foundation; either version 2 of the License, or
13   (at your option) any later version.
14
15   This program is distributed in the hope that it will be useful,
16   but WITHOUT ANY WARRANTY; without even the implied warranty of
17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18   GNU General Public License for more details.
19
20   You should have received a copy of the GNU General Public License
21   along with this program; if not, write to the Free Software
22   Foundation, Inc., 59 Temple Place - Suite 330,
23   Boston, MA 02111-1307, USA.  */
24
25#ifndef NM_I386SCO5_H
26#define NM_I386SCO5_H
27
28/* Basically, its a lot like the older versions ... */
29#include "i386/nm-i386sco.h"
30
31/* ... but it can do a lot of SVR4 type stuff too.  */
32#define SVR4_SHARED_LIBS
33#include "solib.h"		/* Pick up shared library support.  */
34
35/* SCO is unlike other SVR4 systems in that it has SVR4 style shared
36   libs, with a slight twist.  We expect 3 traps (2 for the exec and
37   one for the dynamic loader).  After the third trap we insert the
38   shared library breakpoints, then wait for the 4th trap.  */
39
40#undef START_INFERIOR_TRAPS_EXPECTED
41#define START_INFERIOR_TRAPS_EXPECTED 3
42
43/* SCO does not provide <sys/ptrace.h>.  However, infptrace.c does not
44   have defaults for these values.  */
45
46#define PTRACE_ATTACH 10
47#define PTRACE_DETACH 11
48
49/* Return the size of the user struct.  */
50
51#define KERNEL_U_SIZE kernel_u_size ()
52extern int kernel_u_size (void);
53
54/* We can attach and detach.  */
55#define ATTACH_DETACH
56
57/* Hardware-assisted breakpoints and watchpoints.  */
58
59/* We can also do hardware watchpoints.  */
60#define TARGET_HAS_HARDWARE_WATCHPOINTS
61#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) 1
62
63/* After a watchpoint trap, the PC points to the instruction which
64   caused the trap.  But we can continue over it without disabling the
65   trap.  */
66#define HAVE_CONTINUABLE_WATCHPOINT 1
67#define HAVE_STEPPABLE_WATCHPOINT
68
69#define STOPPED_BY_WATCHPOINT(W)  \
70  i386_stopped_by_watchpoint (PIDGET (inferior_ptid))
71
72#define target_insert_watchpoint(addr, len, type)  \
73  i386_insert_watchpoint (PIDGET (inferior_ptid), addr, len, type)
74
75#define target_remove_watchpoint(addr, len, type)  \
76  i386_remove_watchpoint (PIDGET (inferior_ptid), addr, len)
77
78#endif /* nm-i386sco5.h */
79