syscall.sh / s390x / rseq

rseq

sys_rseq(struct rseq *rseq, uint32_t rseq_len, int flags, uint32_t sig)
number383 (0x17f)
abicommon
entry pointsys_rseq
sinceLinux 4.18
sourceelixir.bootlin.com

Registers

registervalue
r1383, the syscall number
r2struct rseq *rseq
r3uint32_t rseq_len
r4int flags
r5uint32_t sig
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/rseq