diff --git a/gdb/ppc-linux-nat.c b/gdb/ppc-linux-nat.c
index 55aec00..14ad68e 100644
--- a/gdb/ppc-linux-nat.c
+++ b/gdb/ppc-linux-nat.c
@@ -1719,7 +1719,7 @@ get_trigger_type (enum target_hw_bp_type type)
 
 static int
 ppc_linux_insert_mask_watchpoint (struct target_ops *ops, CORE_ADDR addr,
-				  CORE_ADDR mask, int rw)
+				  CORE_ADDR mask, enum target_hw_bp_type rw)
 {
   struct lwp_info *lp;
   struct ppc_hw_breakpoint p;
@@ -1747,7 +1747,7 @@ ppc_linux_insert_mask_watchpoint (struct target_ops *ops, CORE_ADDR addr,
 
 static int
 ppc_linux_remove_mask_watchpoint (struct target_ops *ops, CORE_ADDR addr,
-				  CORE_ADDR mask, int rw)
+				  CORE_ADDR mask, enum target_hw_bp_type rw)
 {
   struct lwp_info *lp;
   struct ppc_hw_breakpoint p;
diff --git a/gdb/target-delegates.c b/gdb/target-delegates.c
index a7271fa..253c9d7 100644
--- a/gdb/target-delegates.c
+++ b/gdb/target-delegates.c
@@ -587,20 +587,20 @@ debug_insert_watchpoint (struct target_ops *self, CORE_ADDR arg1, int arg2, enum
 }
 
 static int
-delegate_insert_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, int arg3)
+delegate_insert_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, enum target_hw_bp_type 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)
+tdefault_insert_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, enum target_hw_bp_type arg3)
 {
   return 1;
 }
 
 static int
-debug_insert_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, int arg3)
+debug_insert_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, enum target_hw_bp_type arg3)
 {
   int result;
   fprintf_unfiltered (gdb_stdlog, "-> %s->to_insert_mask_watchpoint (...)\n", debug_target.to_shortname);
@@ -612,7 +612,7 @@ debug_insert_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR
   fputs_unfiltered (", ", gdb_stdlog);
   target_debug_print_CORE_ADDR (arg2);
   fputs_unfiltered (", ", gdb_stdlog);
-  target_debug_print_int (arg3);
+  target_debug_print_enum_target_hw_bp_type (arg3);
   fputs_unfiltered (") = ", gdb_stdlog);
   target_debug_print_int (result);
   fputs_unfiltered ("\n", gdb_stdlog);
@@ -620,20 +620,20 @@ debug_insert_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR
 }
 
 static int
-delegate_remove_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, int arg3)
+delegate_remove_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, enum target_hw_bp_type arg3)
 {
   self = self->beneath;
   return self->to_remove_mask_watchpoint (self, arg1, arg2, arg3);
 }
 
 static int
-tdefault_remove_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, int arg3)
+tdefault_remove_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, enum target_hw_bp_type arg3)
 {
   return 1;
 }
 
 static int
-debug_remove_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, int arg3)
+debug_remove_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR arg2, enum target_hw_bp_type arg3)
 {
   int result;
   fprintf_unfiltered (gdb_stdlog, "-> %s->to_remove_mask_watchpoint (...)\n", debug_target.to_shortname);
@@ -645,7 +645,7 @@ debug_remove_mask_watchpoint (struct target_ops *self, CORE_ADDR arg1, CORE_ADDR
   fputs_unfiltered (", ", gdb_stdlog);
   target_debug_print_CORE_ADDR (arg2);
   fputs_unfiltered (", ", gdb_stdlog);
-  target_debug_print_int (arg3);
+  target_debug_print_enum_target_hw_bp_type (arg3);
   fputs_unfiltered (") = ", gdb_stdlog);
   target_debug_print_int (result);
   fputs_unfiltered ("\n", gdb_stdlog);
diff --git a/gdb/target.c b/gdb/target.c
index 7ad2330..93786c3 100644
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -3529,7 +3529,8 @@ target_verify_memory (const gdb_byte *data, CORE_ADDR memaddr, ULONGEST size)
    target.h.  */
 
 int
-target_insert_mask_watchpoint (CORE_ADDR addr, CORE_ADDR mask, int rw)
+target_insert_mask_watchpoint (CORE_ADDR addr, CORE_ADDR mask,
+			       enum target_hw_bp_type rw)
 {
   return current_target.to_insert_mask_watchpoint (&current_target,
 						   addr, mask, rw);
@@ -3539,7 +3540,8 @@ target_insert_mask_watchpoint (CORE_ADDR addr, CORE_ADDR mask, int rw)
    target.h.  */
 
 int
-target_remove_mask_watchpoint (CORE_ADDR addr, CORE_ADDR mask, int rw)
+target_remove_mask_watchpoint (CORE_ADDR addr, CORE_ADDR mask,
+			       enum target_hw_bp_type rw)
 {
   return current_target.to_remove_mask_watchpoint (&current_target,
 						   addr, mask, rw);
diff --git a/gdb/target.h b/gdb/target.h
index 2b2db45..0105db2 100644
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -531,10 +531,12 @@ struct target_ops
       TARGET_DEFAULT_RETURN (-1);
 
     int (*to_insert_mask_watchpoint) (struct target_ops *,
-				      CORE_ADDR, CORE_ADDR, int)
+				      CORE_ADDR, CORE_ADDR,
+				      enum target_hw_bp_type)
       TARGET_DEFAULT_RETURN (1);
     int (*to_remove_mask_watchpoint) (struct target_ops *,
-				      CORE_ADDR, CORE_ADDR, int)
+				      CORE_ADDR, CORE_ADDR,
+				      enum target_hw_bp_type)
       TARGET_DEFAULT_RETURN (1);
     int (*to_stopped_by_watchpoint) (struct target_ops *)
       TARGET_DEFAULT_RETURN (0);
@@ -1947,14 +1949,16 @@ extern char *target_thread_name (struct thread_info *);
    or hw_access for an access watchpoint.  Returns 0 for success, 1 if
    masked watchpoints are not supported, -1 for failure.  */
 
-extern int target_insert_mask_watchpoint (CORE_ADDR, CORE_ADDR, int);
+extern int target_insert_mask_watchpoint (CORE_ADDR, CORE_ADDR,
+					  enum target_hw_bp_type);
 
 /* Remove a masked watchpoint at ADDR with the mask MASK.
    RW may be hw_read for a read watchpoint, hw_write for a write watchpoint
    or hw_access for an access watchpoint.  Returns 0 for success, non-zero
    for failure.  */
 
-extern int target_remove_mask_watchpoint (CORE_ADDR, CORE_ADDR, int);
+extern int target_remove_mask_watchpoint (CORE_ADDR, CORE_ADDR,
+					  enum target_hw_bp_type);
 
 /* Insert a hardware breakpoint at address BP_TGT->placed_address in
    the target machine.  Returns 0 for success, and returns non-zero or
