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>.
8 This file is part of GDB.
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.
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.
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. */
28 /* Basically, its a lot like the older versions ... */
29 #include "i386/nm-i386sco.h"
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. */
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. */
40 #undef START_INFERIOR_TRAPS_EXPECTED
41 #define START_INFERIOR_TRAPS_EXPECTED 3
43 /* SCO does not provide <sys/ptrace.h>. However, infptrace.c does not
44 have defaults for these values. */
46 #define PTRACE_ATTACH 10
47 #define PTRACE_DETACH 11
49 /* Return the size of the user struct. */
51 #define KERNEL_U_SIZE kernel_u_size ()
52 extern int kernel_u_size (void);
54 /* We can attach and detach. */
57 /* Hardware-assisted breakpoints and watchpoints. */
59 /* We can also do hardware watchpoints. */
60 #define TARGET_HAS_HARDWARE_WATCHPOINTS
61 #define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) 1
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
66 #define HAVE_CONTINUABLE_WATCHPOINT 1
67 #define HAVE_STEPPABLE_WATCHPOINT
69 #define STOPPED_BY_WATCHPOINT(W) \
70 i386_stopped_by_watchpoint (PIDGET (inferior_ptid))
72 #define target_insert_watchpoint(addr, len, type) \
73 i386_insert_watchpoint (PIDGET (inferior_ptid), addr, len, type)
75 #define target_remove_watchpoint(addr, len, type) \
76 i386_remove_watchpoint (PIDGET (inferior_ptid), addr, len)
78 #endif /* nm-i386sco5.h */
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