rt_sigaction on metag

examine and change a signal action

sys_rt_sigaction(int sig, const struct sigaction *act, struct sigaction *oact, size_t sigsetsize)
number134 (0x86)
abicommon
entry pointsys_rt_sigaction
sinceLinux 3.9 or earlier (3.9 is the first release scanned for metag)
man pagert_sigaction(2)
sourceelixir.bootlin.com

Registers

registervalue
D1Re0134, the syscall number
D1Ar1int sig
D0Ar2const struct sigaction *act
D1Ar3struct sigaction *oact
D0Ar4size_t sigsetsize
D0Re0the return value

Then run SWITCH #0x440001 to enter the kernel.

Values wider than one register are packed into consecutive arguments.

This architecture was removed from the Linux kernel in Linux 4.17. The newest release with a syscall table here is Linux 4.16. The other removed architectures live on the historical architectures page.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/metag/rt_sigaction?kernel=all