syscall.sh / arm64 / getsockopt

getsockopt

get and set options on sockets

sys_getsockopt(int fd, int level, int optname, char *optval, int *optlen)
number209 (0xd1)
abicommon
entry pointsys_getsockopt
sinceLinux 3.7
man pagegetsockopt(2)
sourceelixir.bootlin.com

Registers

registervalue
x8209, the syscall number
x0int fd
x1int level
x2int optname
x3char *optval
x4int *optlen
x0the 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/arm64/getsockopt