syscall.sh / sh / send

send

send a message on a socket

sys_send(int fd, void *buff, size_t len, unsigned int flags)

number	348 (0x15c)
abi	common
entry point	`sys_send`
since	Linux 5.0
man page	send(2)
source	elixir.bootlin.com

Registers

register	value
`r3`	348, the syscall number
`r4`	int fd
`r5`	void *buff
`r6`	size_t len
`r7`	unsigned int flags
`r0`	the return value

Then run trapa #31 to enter the kernel.

Same syscall on other architectures

arm 289
ppc64 334
ppc 334
mipso32 4178
alpha 101
microblaze 354
parisc 58
xtensa 108

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