1 /* Simulator watchpoint support.
2 Copyright (C) 1997 Free Software Foundation, Inc.
3 Contributed by Cygnus Support.
5 This file is part of GDB, the GNU debugger.
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, or (at your option)
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.
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
26 invalid_watchpoint
= -1,
33 typedef struct _sim_watch_point sim_watch_point
;
34 struct _sim_watch_point
{
37 int interrupt_nr
; /* == nr_interrupts -> breakpoint */
43 sim_watch_point
*next
;
47 typedef struct _sim_watchpoints
{
49 /* Pointer into the host's data structures specifying the
50 address/size of the program-counter */
51 /* FIXME: In the future this shall be generalized so that any of the
52 N processors M registers can be watched */
56 /* Pointer to the handler for interrupt watchpoints */
57 /* FIXME: can this be done better? */
58 /* NOTE, interrupt is passed in as the target of the pointer! */
59 sim_event_handler
*interrupt_handler
;
61 /* Pointer to a null terminated list of interrupt names */
62 /* FIXME: can this be done better? Look at the PPC's interrupt
63 mechanism and table for a rough idea of where it will go next */
65 char **interrupt_names
;
67 /* active watchpoints */
69 sim_watch_point
*points
;
73 /* Watch install handler. */
74 MODULE_INSTALL_FN sim_watchpoint_install
;
76 #endif /* SIM_WATCH_H */