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 #include "solib.h"		/* Pick up shared library support.  */
33 
34 /* SCO is unlike other SVR4 systems in that it has SVR4 style shared
35    libs, with a slight twist.  We expect 3 traps (2 for the exec and
36    one for the dynamic loader).  After the third trap we insert the
37    shared library breakpoints, then wait for the 4th trap.  */
38 
39 #undef START_INFERIOR_TRAPS_EXPECTED
40 #define START_INFERIOR_TRAPS_EXPECTED 3
41 
42 /* SCO does not provide <sys/ptrace.h>.  However, infptrace.c does not
43    have defaults for these values.  */
44 
45 #define PTRACE_ATTACH 10
46 #define PTRACE_DETACH 11
47 
48 /* Return the size of the user struct.  */
49 
50 #define KERNEL_U_SIZE kernel_u_size ()
51 extern int kernel_u_size (void);
52 
53 /* Hardware-assisted breakpoints and watchpoints.  */
54 
55 /* We can also do hardware watchpoints.  */
56 #define TARGET_HAS_HARDWARE_WATCHPOINTS
57 #define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) 1
58 
59 /* After a watchpoint trap, the PC points to the instruction which
60    caused the trap.  But we can continue over it without disabling the
61    trap.  */
62 #define HAVE_CONTINUABLE_WATCHPOINT 1
63 #define HAVE_STEPPABLE_WATCHPOINT
64 
65 #define STOPPED_BY_WATCHPOINT(W)  \
66   i386_stopped_by_watchpoint (PIDGET (inferior_ptid))
67 
68 #define target_insert_watchpoint(addr, len, type)  \
69   i386_insert_watchpoint (PIDGET (inferior_ptid), addr, len, type)
70 
71 #define target_remove_watchpoint(addr, len, type)  \
72   i386_remove_watchpoint (PIDGET (inferior_ptid), addr, len)
73 
74 #endif /* nm-i386sco5.h */
75