prctl on cris

operations on a process or thread

sys_prctl(int option, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5)
number172 (0xac)
abicommon
entry pointsys_prctl
sinceLinux 3.3 or earlier (3.3 is the first release scanned for cris)
man pageprctl(2)
sourceelixir.bootlin.com

Registers

registervalue
r9172, the syscall number
r10int option
r11unsigned long arg2
r12unsigned long arg3
r13unsigned long arg4
mofunsigned long arg5
r10the return value

Then run break 13 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/cris/prctl?kernel=all