Switch the license of all files explicitly copyright the FSF

[thirdparty/binutils-gdb.git] / sim / common / sim-events.c

diff --git a/sim/common/sim-events.c b/sim/common/sim-events.c
index fc211644e85acbbb10c68c078556996dff99b5c6..ab3abc03c17a956b90a1dce43d4ae4d60c66cb5f 100644 (file)
--- a/sim/common/sim-events.c
+++ b/sim/common/sim-events.c
@@ -1,22 +1,23 @@
-/*  This file is part of the program psim.
+/* The common simulator framework for GDB, the GNU Debugger.
 
-    Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
+   Copyright 2002, 2007 Free Software Foundation, Inc.
 
-    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 of the License, or
-    (at your option) any later version.
+   Contributed by Andrew Cagney and Red Hat.
 
-    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.
- 
-    */
+   This file is part of GDB.
+
+   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 3 of the License, 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, see <http://www.gnu.org/licenses/>.  */
 
 
 #ifndef _SIM_EVENTS_C_
@@ -37,7 +38,7 @@
 #include <stdlib.h>
 #endif
 
-#include <signal.h> /* For SIGPROCMASK et.al. */
+#include <signal.h> /* For SIGPROCMASK et al. */
 
 typedef enum {
   watch_invalid,
@@ -112,7 +113,7 @@ struct _sim_event {
    variables.
    
    TIME_OF_EVENT: this holds the time at which the next event is ment
-   to occure.  If no next event it will hold the time of the last
+   to occur.  If no next event it will hold the time of the last
    event.
 
    TIME_FROM_EVENT: The current distance from TIME_OF_EVENT.  A value
@@ -379,6 +380,19 @@ sim_events_elapsed_time (SIM_DESC sd)
 }
 
 
+/* Returns the time that remains before the event is raised. */
+INLINE_SIM_EVENTS\
+(signed64)
+sim_events_remain_time (SIM_DESC sd, sim_event *event)
+{
+  if (event == 0)
+    return 0;
+  
+  return (event->time_of_event - sim_events_time (sd));
+}
+
+
+
 STATIC_INLINE_SIM_EVENTS\
 (void)
 update_time_from_event (SIM_DESC sd)
@@ -395,6 +409,27 @@ update_time_from_event (SIM_DESC sd)
       events->time_of_event = current_time - 1;
       events->time_from_event = -1;
     }
+  if (ETRACE_P)
+    {
+      sim_event *event;
+      int i;
+      for (event = events->queue, i = 0;
+          event != NULL;
+          event = event->next, i++)
+       {
+         ETRACE ((_ETRACE,
+                  "event time-from-event - time %ld, delta %ld - event %d, tag 0x%lx, time %ld, handler 0x%lx, data 0x%lx%s%s\n",
+                  (long)current_time,
+                  (long)events->time_from_event,
+                  i,
+                  (long)event,
+                  (long)event->time_of_event,
+                  (long)event->handler,
+                  (long)event->data,
+                  (event->trace != NULL) ? ", " : "",
+                  (event->trace != NULL) ? event->trace : ""));
+       }
+    }
   SIM_ASSERT (current_time == sim_events_time (sd));
 }
 
@@ -413,7 +448,7 @@ insert_sim_event (SIM_DESC sd,
   if (delta < 0)
     sim_io_error (sd, "what is past is past!\n");
   
-  /* compute when the event should occure */
+  /* compute when the event should occur */
   time_of_event = sim_events_time (sd) + delta;
   
   /* find the queue insertion point - things are time ordered */
@@ -447,6 +482,7 @@ sim_events_schedule (SIM_DESC sd,
                     void *data)
 {
   va_list dummy;
+  memset (&dummy, 0, sizeof dummy);
   return sim_events_schedule_vtracef (sd, delta_time, handler, data,
                                      NULL, dummy);
 }