syscall.sh / mipso32 / sigaction

sigaction

examine and change a signal action

sys_sigaction(int, const struct old_sigaction *, struct old_sigaction *)

number	4067 (0xfe3)
abi	o32
entry point	`sys_sigaction`
since	Linux 5.0
man page	sigaction(2)
source	elixir.bootlin.com

Registers

register	value
`v0`	4067, the syscall number
`a0`	int
`a1`	const struct old_sigaction *
`a2`	struct old_sigaction *
`v0`	the return value

Then run syscall to enter the kernel.

Same syscall on other architectures

x86 67
arm 67
ppc 67
s390x 67
alpha 156
m68k 67
sh 67
sparc 198
sparc64 198

Get this as JSON: https://api.syscall.sh/v2/syscalls/mipso32/sigaction