Thu Dec 11 14:28:01 1997 Michael Snyder (msnyder@cleaver.cygnus.com)

* tracepoint.c (trace_find_command): don't error if going
        backwards thru the trace buffer in a loop.
        * (struct tracepoint): delete unused field.

gdb/ChangeLog

@@ -1,3 +1,9 @@
+Thu Dec 11 14:28:01 1997  Michael Snyder  (msnyder@cleaver.cygnus.com)
+
+	* tracepoint.c (trace_find_command): don't error if going
+	backwards thru the trace buffer in a loop.
+	* (struct tracepoint): delete unused field.
+
 Wed Dec  10 13:16:45 1997  Keith Seitz  <keiths@onions.cygnus.com>
 
 	* gdbtk.c (gdb_get_tracepoint_info): Use info in struct 

gdb/tracepoint.c

@@ -360,7 +360,7 @@ trace_command (arg, from_tty)
   struct symtabs_and_lines sals;
   struct symtab_and_line sal;
   struct tracepoint *t;
-  char *addr_start = 0, *addr_end = 0, *cond_start = 0, *cond_end = 0;
+  char *addr_start = 0, *addr_end = 0;
   int i;
 
   if (!arg || !*arg)
@@ -399,8 +399,6 @@ trace_command (arg, from_tty)
 	t->addr_string = canonical[i];
       else if (addr_start)
 	t->addr_string = savestring (addr_start, addr_end - addr_start);
-      if (cond_start)
-	t->cond_string = savestring (cond_start, cond_end - cond_start);
 
       /* Let the UI know of any additions */
       if (create_tracepoint_hook)
@@ -550,8 +548,6 @@ tracepoint_operation (t, from_tty, opcode)
     if (delete_tracepoint_hook)
       delete_tracepoint_hook (t);
 
-    if (t->cond_string)
-      free (t->cond_string);
     if (t->addr_string)
       free (t->addr_string);
     if (t->source_file)
@@ -1757,7 +1753,7 @@ trace_find_command (args, from_tty)
 	{
 	  if (traceframe_number == -1)
 	    error ("not debugging trace buffer");
-	  else if (traceframe_number == 0)
+	  else if (from_tty && traceframe_number == 0)
 	    error ("already at start of trace buffer");
 
 	  frameno = traceframe_number - 1;

gdb/tracepoint.h

@@ -80,10 +80,6 @@ struct tracepoint
   /* Input radix we used to set the tracepoint.  */
   int input_radix;
 
-  /* String form of the tracepoint trigger condition (malloc'd), 
-     or NULL if there is no condition.  */
-  char *cond_string;
-
   /* Count of the number of times this tracepoint was taken, dumped
      with the info, but not used for anything else.  Useful for
      seeing how many times you hit a tracepoint prior to the program