syscall.sh / s390x / mknodat

mknodat

create a special or ordinary file

sys_mknodat(int dfd, const char *filename, umode_t mode, unsigned dev)
number290 (0x122)
abicommon
entry pointsys_mknodat
sinceLinux 4.16
man pagemknodat(2)
sourceelixir.bootlin.com

Registers

registervalue
r1290, the syscall number
r2int dfd
r3const char *filename
r4umode_t mode
r5unsigned dev
r2the return value

Then run svc 0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/s390x/mknodat