syscall.sh / parisc / sigaltstack

sigaltstack

set and/or get signal stack context

sys_sigaltstack(const stack_t *uss, stack_t *uoss)
number166 (0xa6)
abicommon
entry pointsys_sigaltstack
sinceLinux 5.0
man pagesigaltstack(2)
sourceelixir.bootlin.com

Registers

registervalue
r20166, the syscall number
r26const stack_t *uss
r25stack_t *uoss
r28the return value

Then run ble 0x100(%sr2, %r0) to enter the kernel.

Same syscall on other architectures

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