syscall.sh / s390x / getppid

getppid

get process identification

sys_getppid(void)
number64 (0x40)
abicommon
entry pointsys_getppid
sinceLinux 4.16
man pagegetppid(2)
sourceelixir.bootlin.com

Registers

registervalue
r164, the syscall number
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/getppid