convert to_insert_mask_watchpoint

2014-02-19  Tom Tromey  <tromey@redhat.com>

	* target-delegates.c: Rebuild.
	* target.c (target_insert_mask_watchpoint): Unconditionally
	delegate.
	* target.h (struct target_ops) <to_insert_mask_watchpoint>: Use
	TARGET_DEFAULT_RETURN.

4 files changed, 35 insertions, 17 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 1e00118..0f6bd76 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,6 +1,14 @@
 2014-02-19  Tom Tromey  <tromey@redhat.com>
 
 	* target-delegates.c: Rebuild.
+	* target.c (target_insert_mask_watchpoint): Unconditionally
+	delegate.
+	* target.h (struct target_ops) <to_insert_mask_watchpoint>: Use
+	TARGET_DEFAULT_RETURN.
+
+2014-02-19  Tom Tromey  <tromey@redhat.com>
+
+	* target-delegates.c: Rebuild.
 	* target.c (target_ranged_break_num_registers): Unconditionally
 	delegate.
 	* target.h (struct target_ops) <to_ranged_break_num_registers>:
diff --git a/gdb/target-delegates.c b/gdb/target-delegates.c
index 3def763..934f302 100644
--- a/gdb/target-delegates.c
+++ b/gdb/target-delegates.c
@@ -203,6 +203,19 @@ tdefault_insert_watchpoint (struct target_ops *self, CORE_ADDR arg1, int arg2, i
 }
 
 static int
+delegate_insert_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, int arg3)
+{
+  self = self->beneath;
+  return self->to_insert_mask_watchpoint (self, arg1, arg2, arg3);
+}
+
+static int
+tdefault_insert_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, int arg3)
+{
+  return 1;
+}
+
+static int
 delegate_stopped_by_watchpoint (struct target_ops *self)
 {
   self = self->beneath;
@@ -1136,6 +1149,8 @@ install_delegators (struct target_ops *ops)
     ops->to_remove_watchpoint = delegate_remove_watchpoint;
   if (ops->to_insert_watchpoint == NULL)
     ops->to_insert_watchpoint = delegate_insert_watchpoint;
+  if (ops->to_insert_mask_watchpoint == NULL)
+    ops->to_insert_mask_watchpoint = delegate_insert_mask_watchpoint;
   if (ops->to_stopped_by_watchpoint == NULL)
     ops->to_stopped_by_watchpoint = delegate_stopped_by_watchpoint;
   if (ops->to_stopped_data_address == NULL)
@@ -1308,6 +1323,7 @@ install_dummy_methods (struct target_ops *ops)
   ops->to_remove_hw_breakpoint = tdefault_remove_hw_breakpoint;
   ops->to_remove_watchpoint = tdefault_remove_watchpoint;
   ops->to_insert_watchpoint = tdefault_insert_watchpoint;
+  ops->to_insert_mask_watchpoint = tdefault_insert_mask_watchpoint;
   ops->to_stopped_by_watchpoint = tdefault_stopped_by_watchpoint;
   ops->to_stopped_data_address = tdefault_stopped_data_address;
   ops->to_watchpoint_addr_within_range = default_watchpoint_addr_within_range;
diff --git a/gdb/target.c b/gdb/target.c
index d4e58b0..11f3b7e 100644
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -3830,25 +3830,18 @@ target_verify_memory (const gdb_byte *data, CORE_ADDR memaddr, ULONGEST size)
 int
 target_insert_mask_watchpoint (CORE_ADDR addr, CORE_ADDR mask, int rw)
 {
-  struct target_ops *t;
-
-  for (t = current_target.beneath; t != NULL; t = t->beneath)
-    if (t->to_insert_mask_watchpoint != NULL)
-      {
-	int ret;
+  int ret;
 
-	ret = t->to_insert_mask_watchpoint (t, addr, mask, rw);
+  ret = current_target.to_insert_mask_watchpoint (&current_target,
+						  addr, mask, rw);
 
-	if (targetdebug)
-	  fprintf_unfiltered (gdb_stdlog, "\
+  if (targetdebug)
+    fprintf_unfiltered (gdb_stdlog, "\
 target_insert_mask_watchpoint (%s, %s, %d) = %d\n",
-			      core_addr_to_string (addr),
-			      core_addr_to_string (mask), rw, ret);
-
-	return ret;
-      }
-
-  return 1;
+			core_addr_to_string (addr),
+			core_addr_to_string (mask), rw, ret);
+  
+  return ret;
 }
 
 /* The documentation for this function is in its prototype declaration in
diff --git a/gdb/target.h b/gdb/target.h
index 25e98ed..012231f 100644
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -477,7 +477,8 @@ struct target_ops
       TARGET_DEFAULT_RETURN (-1);
 
     int (*to_insert_mask_watchpoint) (struct target_ops *,
-				      CORE_ADDR, CORE_ADDR, int);
+				      CORE_ADDR, CORE_ADDR, int)
+      TARGET_DEFAULT_RETURN (1);
     int (*to_remove_mask_watchpoint) (struct target_ops *,
 				      CORE_ADDR, CORE_ADDR, int);
     int (*to_stopped_by_watchpoint) (struct target_ops *)