+2015-07-17  Yao Qi  <yao.qi@linaro.org>
+
+       * aarch64-linux-nat.c (aarch64_dr_state_insert_one_point): Change
+       argument type's type to 'enum target_hw_bp_type'.
+       (aarch64_dr_state_remove_one_point): Likewise.
+       (aarch64_handle_breakpoint): Likewise.
+       (aarch64_linux_insert_hw_breakpoint): Likewise.
+       (aarch64_linux_remove_hw_breakpoint): Likewise.
+       (aarch64_handle_aligned_watchpoint): Likewise.
+
 2015-07-17  Yao Qi  <yao.qi@linaro.org>
 
        * aarch64-linux-nat.c (aarch64_linux_get_debug_reg_capacity): Call
 
 
 static int
 aarch64_dr_state_insert_one_point (struct aarch64_debug_reg_state *state,
-                                  int type, CORE_ADDR addr, int len)
+                                  enum target_hw_bp_type type, CORE_ADDR addr,
+                                  int len)
 {
   int i, idx, num_regs, is_watchpoint;
   unsigned int ctrl, *dr_ctrl_p, *dr_ref_count;
 
 static int
 aarch64_dr_state_remove_one_point (struct aarch64_debug_reg_state *state,
-                                  int type, CORE_ADDR addr, int len)
+                                  enum target_hw_bp_type type, CORE_ADDR addr,
+                                  int len)
 {
   int i, num_regs, is_watchpoint;
   unsigned int ctrl, *dr_ctrl_p, *dr_ref_count;
 /* Implement insertion and removal of a single breakpoint.  */
 
 static int
-aarch64_handle_breakpoint (int type, CORE_ADDR addr, int len, int is_insert)
+aarch64_handle_breakpoint (enum target_hw_bp_type type, CORE_ADDR addr,
+                          int len, int is_insert)
 {
   struct aarch64_debug_reg_state *state;
 
   int ret;
   CORE_ADDR addr = bp_tgt->placed_address = bp_tgt->reqstd_address;
   const int len = 4;
-  const int type = hw_execute;
+  const enum target_hw_bp_type type = hw_execute;
 
   if (show_debug_regs)
     fprintf_unfiltered
   int ret;
   CORE_ADDR addr = bp_tgt->placed_address;
   const int len = 4;
-  const int type = hw_execute;
+  const enum target_hw_bp_type type = hw_execute;
 
   if (show_debug_regs)
     fprintf_unfiltered
    from that it is an aligned watchpoint to be handled.  */
 
 static int
-aarch64_handle_aligned_watchpoint (int type, CORE_ADDR addr, int len,
-                                  int is_insert)
+aarch64_handle_aligned_watchpoint (enum target_hw_bp_type type, CORE_ADDR addr,
+                                  int len, int is_insert)
 {
   struct aarch64_debug_reg_state *state
     = aarch64_get_debug_reg_state (ptid_get_pid (inferior_ptid));