1 /* Definitions for native support of irix5.
2 
3    Copyright 1993, 1996, 1998, 1999, 2000 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 #include "config/nm-sysv4.h"
23 #undef IN_SOLIB_DYNSYM_RESOLVE_CODE
24 
25 #define TARGET_HAS_HARDWARE_WATCHPOINTS
26 
27 /* TARGET_CAN_USE_HARDWARE_WATCHPOINT is now defined to go through
28    the target vector.  For Irix5, procfs_can_use_hw_watchpoint()
29    should be invoked.  */
30 
31 /* When a hardware watchpoint fires off the PC will be left at the
32    instruction which caused the watchpoint.  It will be necessary for
33    GDB to step over the watchpoint. */
34 
35 #define STOPPED_BY_WATCHPOINT(W) \
36      procfs_stopped_by_watchpoint(inferior_ptid)
37 extern int procfs_stopped_by_watchpoint (ptid_t);
38 
39 /* Use these macros for watchpoint insertion/deletion.  */
40 /* type can be 0: write watch, 1: read watch, 2: access watch (read/write) */
41 #define target_insert_watchpoint(ADDR, LEN, TYPE) \
42      procfs_set_watchpoint (inferior_ptid, ADDR, LEN, TYPE, 0)
43 #define target_remove_watchpoint(ADDR, LEN, TYPE) \
44      procfs_set_watchpoint (inferior_ptid, ADDR, 0, 0, 0)
45 extern int procfs_set_watchpoint (ptid_t, CORE_ADDR, int, int, int);
46 
47 #define TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT(SIZE) 1
48 
49 /* Override register locations in upage for SGI machines */
50 #define REGISTER_U_ADDR(addr, blockend, regno) 		\
51   if (regno < PC_REGNUM)				\
52       addr = regno;					\
53   else							\
54       addr = regno + NSIG_HNDLRS;	/* Skip over signal handlers */
55