sigaltstack on m32r

set and/or get signal stack context

sys_sigaltstack(const stack_t *uss, stack_t *uoss)
number186 (0xba)
abicommon
entry pointsys_sigaltstack
sinceLinux 3.3 or earlier (3.3 is the first release scanned for m32r)
man pagesigaltstack(2)
sourceelixir.bootlin.com

Registers

registervalue
r7186, the syscall number
r0const stack_t *uss
r1stack_t *uoss
r0the return value

Then run trap #2 to enter the kernel.

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/m32r/sigaltstack?kernel=all