U _exception_handler 00000100 T _exception_reset 00002000 T _start 00002034 t default_exception_handler 00002138 T _get_cpu_id 00002140 T _set_cpu_id 00002148 T _find_first_one 00002150 T _get_thread_id 00002158 T _set_thread_id 00002160 T _get_thread_priority 00002168 T _set_thread_priority 00002170 T _main 00500000 A _stack_alloc 10000000 B ___bss_start 10000000 B __bss_start 10000000 B __end 10000000 B _ebss 10000000 D _edata 10000000 B _end 10000000 B _sbss 10000000 D _sdata 10000000 B ebss 10000000 D edata 10000000 B end 10000000 B sbss 10000000 D sdata 51fffffc A _stack