__NR_sigaltstack  386 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_sigaltstack, compat_sys_sigaltstack)
__NR_sigaltstack  425 include/uapi/asm-generic/unistd.h __SC_COMP(__NR_sigaltstack, sys_sigaltstack, compat_sys_sigaltstack)
__NR_sigaltstack  425 tools/include/uapi/asm-generic/unistd.h __SC_COMP(__NR_sigaltstack, sys_sigaltstack, compat_sys_sigaltstack)