Change iterate_over_lwps to take a gdb::function_view

[deliverable/binutils-gdb.git] / gdb / nat / aarch64-linux-hw-point.c

diff --git a/gdb/nat/aarch64-linux-hw-point.c b/gdb/nat/aarch64-linux-hw-point.c
index eed060610ec7a75eb363cb7ef54158a3bbf25275..1efec9a268cc9a0dd2fda99fe362ee40c79a01fd 100644 (file)
--- a/gdb/nat/aarch64-linux-hw-point.c
+++ b/gdb/nat/aarch64-linux-hw-point.c
@@ -278,27 +278,17 @@ aarch64_align_watchpoint (CORE_ADDR addr, int len, CORE_ADDR *aligned_addr_p,
     *next_addr_orig_p = align_down (*next_addr_orig_p + alignment, alignment);
 }
 
-struct aarch64_dr_update_callback_param
-{
-  int is_watchpoint;
-  unsigned int idx;
-};
-
-/* Callback for iterate_over_lwps.  Records the
+/* Helper for aarch64_notify_debug_reg_change.  Records the
    information about the change of one hardware breakpoint/watchpoint
    setting for the thread LWP.
-   The information is passed in via PTR.
    N.B.  The actual updating of hardware debug registers is not
    carried out until the moment the thread is resumed.  */
 
 static int
-debug_reg_change_callback (struct lwp_info *lwp, void *ptr)
+debug_reg_change_callback (struct lwp_info *lwp, int is_watchpoint,
+                          unsigned int idx)
 {
-  struct aarch64_dr_update_callback_param *param_p
-    = (struct aarch64_dr_update_callback_param *) ptr;
   int tid = ptid_of_lwp (lwp).lwp ();
-  int idx = param_p->idx;
-  int is_watchpoint = param_p->is_watchpoint;
   struct arch_lwp_info *info = lwp_arch_private_info (lwp);
   dr_changed_t *dr_changed_ptr;
   dr_changed_t dr_changed;
@@ -356,13 +346,14 @@ static void
 aarch64_notify_debug_reg_change (const struct aarch64_debug_reg_state *state,
                                 int is_watchpoint, unsigned int idx)
 {
-  struct aarch64_dr_update_callback_param param;
   ptid_t pid_ptid = ptid_t (current_lwp_ptid ().pid ());
 
-  param.is_watchpoint = is_watchpoint;
-  param.idx = idx;
-
-  iterate_over_lwps (pid_ptid, debug_reg_change_callback, (void *) &param);
+  iterate_over_lwps (pid_ptid, [=] (struct lwp_info *info)
+                              {
+                                return debug_reg_change_callback (info,
+                                                                  is_watchpoint,
+                                                                  idx);
+                              });
 }
 
 /* Reconfigure STATE to be compatible with Linux kernels with the PR