shell_toplevel_b2a_oa_thunk  300 shell/shell_toplevel.h extern AvmBox shell_toplevel_b2a_oa_thunk(AvmMethodEnv env, uint32_t argc, AvmBox* argv);
shell_toplevel_b2a_oa_thunk  301 shell/shell_toplevel.h #define avmplus_System_isGlobal_thunk  shell_toplevel_b2a_oa_thunk