int cpu_breakpoint_insert(CPUState *env, target_ulong pc);
int cpu_breakpoint_remove(CPUState *env, target_ulong pc);
void cpu_single_step(CPUState *env, int enabled);
int cpu_breakpoint_insert(CPUState *env, target_ulong pc);
int cpu_breakpoint_remove(CPUState *env, target_ulong pc);
void cpu_single_step(CPUState *env, int enabled);