syscall.sh / arc / sigaltstack

sigaltstack

set and/or get signal stack context

sys_sigaltstack(const stack_t *uss, stack_t *uoss)
number132 (0x84)
abicommon
entry pointsys_sigaltstack
sinceLinux 3.9
man pagesigaltstack(2)
sourceelixir.bootlin.com

Registers

registervalue
r8132, the syscall number
r0const stack_t *uss
r1stack_t *uoss
r0the return value

Then run trap0 to enter the kernel.

Same syscall on other architectures

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