记录一下：
mini/driver.c
mono_main():
mono_gc_base__initmono_debug_init
mono_config_parsemono_assembly_open
mono_runtime_exec_managed_code(SubThread)
mono_thread_handler -> mono_thread_manage
mono_method_desc_search_in_image
mini_method_compile
mono_draw_graph (cfg, mono_graph_options);
mono_destroy_compile (cfg);