syscall.sh / x86 / sigreturn

sigreturn

return from signal handler and cleanup stack frame

sys_sigreturn(void)

number	119 (0x77)
abi	i386
entry point	`sys_sigreturn`
since	Linux 3.3
man page	sigreturn(2)
source	elixir.bootlin.com

Registers

register	value
`eax`	119, the syscall number
`eax`	the return value

Then run int 0x80 to enter the kernel.

Same syscall on other architectures

arm 119
ppc 119
s390x 119
mipso32 4119
alpha 103
m68k 119
sh 119
sparc 216
sparc64 216

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