syscall.sh / microblaze / prctl

prctl

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 5.0
man pageprctl(2)
sourceelixir.bootlin.com

Registers

registervalue
r12172, the syscall number
r5int option
r6unsigned long arg2
r7unsigned long arg3
r8unsigned long arg4
r9unsigned long arg5
r3the return value

Then run brki r14,8 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/microblaze/prctl