예제 #1
0
static void
aarch64_linux_prepare_to_resume (struct lwp_info *lwp)
{
  struct thread_info *thread = get_lwp_thread (lwp);
  ptid_t ptid = ptid_of (thread);
  struct arch_lwp_info *info = lwp->arch_private;

  if (DR_HAS_CHANGED (info->dr_changed_bp)
      || DR_HAS_CHANGED (info->dr_changed_wp))
    {
      int tid = ptid_get_lwp (ptid);
      struct process_info *proc = find_process_pid (ptid_get_pid (ptid));
      struct aarch64_debug_reg_state *state
	= &proc->priv->arch_private->debug_reg_state;

      if (show_debug_regs)
	fprintf (stderr, "prepare_to_resume thread %ld\n", lwpid_of (thread));

      /* Watchpoints.  */
      if (DR_HAS_CHANGED (info->dr_changed_wp))
	{
	  aarch64_linux_set_debug_regs (state, tid, 1);
	  DR_CLEAR_CHANGED (info->dr_changed_wp);
	}

      /* Breakpoints.  */
      if (DR_HAS_CHANGED (info->dr_changed_bp))
	{
	  aarch64_linux_set_debug_regs (state, tid, 0);
	  DR_CLEAR_CHANGED (info->dr_changed_bp);
	}
    }
}
예제 #2
0
void
aarch64_linux_prepare_to_resume (struct lwp_info *lwp)
{
  struct arch_lwp_info *info = lwp_arch_private_info (lwp);

  /* NULL means this is the main thread still going through the shell,
     or, no watchpoint has been set yet.  In that case, there's
     nothing to do.  */
  if (info == NULL)
    return;

  if (DR_HAS_CHANGED (info->dr_changed_bp)
      || DR_HAS_CHANGED (info->dr_changed_wp))
    {
      ptid_t ptid = ptid_of_lwp (lwp);
      int tid = ptid_get_lwp (ptid);
      struct aarch64_debug_reg_state *state
	= aarch64_get_debug_reg_state (ptid_get_pid (ptid));

      if (show_debug_regs)
	debug_printf ("prepare_to_resume thread %d\n", tid);

      /* Watchpoints.  */
      if (DR_HAS_CHANGED (info->dr_changed_wp))
	{
	  aarch64_linux_set_debug_regs (state, tid, 1);
	  DR_CLEAR_CHANGED (info->dr_changed_wp);
	}

      /* Breakpoints.  */
      if (DR_HAS_CHANGED (info->dr_changed_bp))
	{
	  aarch64_linux_set_debug_regs (state, tid, 0);
	  DR_CLEAR_CHANGED (info->dr_changed_bp);
	}
    }
}