Watchpoint interface.

1 files changed, 67 insertions, 0 deletions

diff --git a/sim/common/sim-watch.h b/sim/common/sim-watch.h
new file mode 100644
index 0000000..b101ebb
--- /dev/null
+++ b/sim/common/sim-watch.h
@@ -0,0 +1,67 @@
+/* Simulator watchpoint support.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   Contributed by Cygnus Support.
+
+This file is part of GDB, the GNU debugger.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+
+#ifndef SIM_WATCH_H
+#define SIM_WATCH_H
+
+typedef enum {
+  pc_watchpoint,
+  clock_watchpoint,
+  cycles_watchpoint,
+  nr_watchpoint_types,
+} watchpoint_type;
+
+typedef enum {
+  invalid_watchpoint_action,
+  n_interrupt_watchpoint_action,
+  interrupt_watchpoint_action,
+  break_watchpoint_action,
+} watchpoint_action;
+
+typedef struct _sim_watch_point {
+  watchpoint_action action;
+  long arg;
+  sim_event *event;
+} sim_watch_point;
+
+
+typedef struct _sim_watchpoints {
+
+  /* Pointer into the host's data structures specifying the
+     address/size of the program-counter */
+  /* FIXME: In the future this shall be generalized so that any of the
+     N processors M registers can be watched */
+  void *pc;
+  int sizeof_pc;
+
+  /* Pointer to the handler for interrupt watchpoints */
+  /* FIXME: can this be done better? */
+  sim_event_handler *interrupt_handler;
+
+  /* suported watchpoints */
+  sim_watch_point points[nr_watchpoint_types];
+
+} sim_watchpoints;
+
+/* Watch install handler.  */
+MODULE_INSTALL_FN sim_watchpoint_install;
+
+#endif /* SIM_WATCH_H */