mprotect on m32r

set protection on a region of memory

sys_mprotect(unsigned long start, size_t len, unsigned long prot)
number125 (0x7d)
abicommon
entry pointsys_mprotect
sinceLinux 3.3 or earlier (3.3 is the first release scanned for m32r)
man pagemprotect(2)
sourceelixir.bootlin.com

Registers

registervalue
r7125, the syscall number
r0unsigned long start
r1size_t len
r2unsigned long prot
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/mprotect?kernel=all