syscall.sh / alpha / sigaltstack

sigaltstack

set and/or get signal stack context

sys_sigaltstack(const stack_t *uss, stack_t *uoss)
number235 (0xeb)
abicommon
entry pointsys_sigaltstack
sinceLinux 5.0
man pagesigaltstack(2)
sourceelixir.bootlin.com

Registers

registervalue
v0235, the syscall number
a0const stack_t *uss
a1stack_t *uoss
v0the return value

Then run callsys to enter the kernel.

Same syscall on other architectures

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