syscall.sh / x86 / setsockopt

setsockopt

get and set options on sockets

sys_setsockopt(int fd, int level, int optname, char *optval, int optlen)
number366 (0x16e)
abii386
entry pointsys_setsockopt
sinceLinux 4.3
man pagesetsockopt(2)
sourceelixir.bootlin.com

Registers

registervalue
eax366, the syscall number
ebxint fd
ecxint level
edxint optname
esichar *optval
ediint optlen
eaxthe return value

Then run int 0x80 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/x86/setsockopt