DW_FRAME_HIGHEST_NORMAL_REGISTER
#ifndef DW_FRAME_HIGHEST_NORMAL_REGISTER
#define DW_FRAME_LAST_REG_NUM (DW_FRAME_HIGHEST_NORMAL_REGISTER + 3)
#define DW_FRAME_RA_COL (DW_FRAME_HIGHEST_NORMAL_REGISTER + 1)
#define DW_FRAME_STATIC_LINK (DW_FRAME_HIGHEST_NORMAL_REGISTER + 2)
case DW_FRAME_HIGHEST_NORMAL_REGISTER: