IA-64 watchpoint support.
[deliverable/binutils-gdb.git] / gdb / config / ia64 / nm-linux.h
CommitLineData
16461d7d
KB
1/* Native support for GNU/Linux, for GDB, the GNU debugger.
2 Copyright (C) 1999
3 Free Software Foundation, Inc.
4
5 This file is part of GDB.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
21
22#ifndef NM_LINUX_H
23#define NM_LINUX_H
24
d61e6540 25#include "nm-linux.h"
16461d7d
KB
26
27/* Note: It seems likely that we'll have to eventually define
28 FETCH_INFERIOR_REGISTERS. But until that time, we'll make do
29 with the following. */
30
31#define CANNOT_FETCH_REGISTER(regno) ia64_cannot_fetch_register(regno)
32extern int ia64_cannot_fetch_register (int regno);
33
34#define CANNOT_STORE_REGISTER(regno) ia64_cannot_store_register(regno)
35extern int ia64_cannot_store_register (int regno);
36
37#ifdef GDBSERVER
38#define REGISTER_U_ADDR(addr, blockend, regno) \
39 (addr) = ia64_register_u_addr ((blockend),(regno));
40
41extern int ia64_register_u_addr(int, int);
42#endif /* GDBSERVER */
43
44#define PTRACE_ARG3_TYPE long
45#define PTRACE_XFER_TYPE long
46
acf7b9e1
KB
47/* Hardware watchpoints */
48
49#define TARGET_HAS_HARDWARE_WATCHPOINTS
50
51#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) 1
52
53/* The IA-64 architecture can step over a watch point (without triggering
54 it again) if the "dd" (data debug fault disable) bit in the processor
55 status word is set.
56
57 This PSR bit is set in ia64_linux_stopped_by_watchpoint when the
58 code there has determined that a hardware watchpoint has indeed
59 been hit. The CPU will then be able to execute one instruction
60 without triggering a watchpoint. */
61#define HAVE_STEPPABLE_WATCHPOINT 1
62
63#define STOPPED_BY_WATCHPOINT(W) \
64 ia64_linux_stopped_by_watchpoint (inferior_pid)
65extern CORE_ADDR ia64_linux_stopped_by_watchpoint (int);
66
67#define target_insert_watchpoint(addr, len, type) \
68 ia64_linux_insert_watchpoint (inferior_pid, addr, len, type)
69extern int ia64_linux_insert_watchpoint (int pid, CORE_ADDR addr,
70 int len, int rw);
71
72#define target_remove_watchpoint(addr, len, type) \
73 ia64_linux_remove_watchpoint (inferior_pid, addr, len)
74extern int ia64_linux_remove_watchpoint (int pid, CORE_ADDR addr, int len);
75
16461d7d 76#endif /* #ifndef NM_LINUX_H */
This page took 0.037821 seconds and 4 git commands to generate.