syscall.sh / s390x / sendmsg

sendmsg

send a message on a socket

sys_sendmsg(int fd, struct user_msghdr *msg, unsigned int flags)
number370 (0x172)
abicommon
entry pointsys_sendmsg
sinceLinux 4.16
man pagesendmsg(2)
sourceelixir.bootlin.com

Registers

registervalue
r1370, the syscall number
r2int fd
r3struct user_msghdr *msg
r4unsigned int flags
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/sendmsg