sys_prctl 358 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_prctl, sys_prctl) sys_prctl 730 include/linux/syscalls.h asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3, sys_prctl 506 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_prctl, sys_prctl) sys_prctl 506 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_prctl, sys_prctl)