syscall分析_syscall_的相关参数：intptr_t_syscall_(intptr_ttype,intptr_ta0,intptr_ta1,intptr_ta2){registerintptr_t_gpr1asm(GPR1)=type;registerintptr_t_gpr2asm(GPR2)=a0;registerintptr_t_gpr3asm(GPR3)=a1;registerintptr_t_