syscall.sh / arm / pkey_mprotect

pkey_mprotect

set protection on a region of memory

sys_pkey_mprotect(unsigned long start, size_t len, unsigned long prot, int pkey)
number394 (0x18a)
abicommon
entry pointsys_pkey_mprotect
sinceLinux 4.10
man pagepkey_mprotect(2)
sourceelixir.bootlin.com

Registers

registervalue
r7394, the syscall number
r0unsigned long start
r1size_t len
r2unsigned long prot
r3int pkey
r0the return value

Then run svc #0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/arm/pkey_mprotect