Cleanup free_agent_expr cleanups.

gdb/ChangeLog

@@ -1,3 +1,13 @@
+Mon May 15 16:05:46 2000  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* ax.h (make_cleanup_free_agent_expr): Add declaration.
+	* ax-general.c (do_free_agent_expr_cleanup): 
+	(make_cleanup_free_agent_expr): New functions.
+
+	* tracepoint.c (validate_actionline, encode_actions), ax-gdb.c
+ 	(expr_to_agent, gen_trace_for_expr, agent_command): Replace calls
+ 	to make_cleanup.
+
 Mon May 15 14:06:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* breakpoint.h (make_cleanup_delete_breakpoint,

gdb/ax-gdb.c

@@ -1798,7 +1798,7 @@ expr_to_agent (expr, value)
   struct agent_expr *ax = new_agent_expr (0);
   union exp_element *pc;
 
-  old_chain = make_cleanup ((make_cleanup_func) free_agent_expr, ax);
+  old_chain = make_cleanup_free_agent_expr (ax);
 
   pc = expr->elts;
   trace_kludge = 0;
@@ -1854,7 +1854,7 @@ gen_trace_for_expr (scope, expr)
   union exp_element *pc;
   struct axs_value value;
 
-  old_chain = make_cleanup ((make_cleanup_func) free_agent_expr, ax);
+  old_chain = make_cleanup_free_agent_expr (ax);
 
   pc = expr->elts;
   trace_kludge = 1;
@@ -1925,7 +1925,7 @@ agent_command (exp, from_tty)
   expr = parse_expression (exp);
   old_chain = make_cleanup (free_current_contents, &expr);
   agent = gen_trace_for_expr (fi->pc, expr);
-  make_cleanup ((make_cleanup_func) free_agent_expr, agent);
+  make_cleanup_free_agent_expr (agent);
   ax_print (gdb_stdout, agent);
 
   /* It would be nice to call ax_reqs here to gather some general info

gdb/ax-general.c

@@ -62,6 +62,18 @@ free_agent_expr (x)
   free (x);
 }
 
+static void
+do_free_agent_expr_cleanup (void *x)
+{
+  free_agent_expr (x);
+}
+
+struct cleanup *
+make_cleanup_free_agent_expr (struct agent_expr *x)
+{
+  return make_cleanup (do_free_agent_expr_cleanup, x);
+}
+
 
 /* Make sure that X has room for at least N more bytes.  This doesn't
    affect the length, just the allocated size.  */

gdb/ax.h

@@ -143,6 +143,7 @@ extern struct agent_expr *new_agent_expr PARAMS ((CORE_ADDR));
 
 /* Free a agent expression.  */
 extern void free_agent_expr PARAMS ((struct agent_expr *));
+extern struct cleanup *make_cleanup_free_agent_expr (struct agent_expr *);
 
 /* Append a simple operator OP to EXPR.  */
 extern void ax_simple PARAMS ((struct agent_expr * EXPR, enum agent_op OP));

gdb/tracepoint.c

@@ -999,7 +999,7 @@ validate_actionline (line, t)
 	  /* we have something to collect, make sure that the expr to
 	     bytecode translator can handle it and that it's not too long */
 	  aexpr = gen_trace_for_expr (t->address, exp);
-	  (void) make_cleanup ((make_cleanup_func) free_agent_expr, aexpr);
+	  make_cleanup_free_agent_expr (aexpr);
 
 	  if (aexpr->len > MAX_AGENT_EXPR_LEN)
 	    error ("expression too complicated, try simplifying");
@@ -1617,8 +1617,7 @@ encode_actions (t, tdp_actions, stepping_actions)
 		    default:	/* full-fledged expression */
 		      aexpr = gen_trace_for_expr (t->address, exp);
 
-		      old_chain1 = make_cleanup ((make_cleanup_func)
-						 free_agent_expr, aexpr);
+		      old_chain1 = make_cleanup_free_agent_expr (aexpr);
 
 		      ax_reqs (aexpr, &areqs);
 		      if (areqs.flaw != agent_flaw_none)