syscall.sh / sh / chmod

chmod

change permissions of a file

sys_chmod(const char *filename, umode_t mode)
number15 (0xf)
abicommon
entry pointsys_chmod
sinceLinux 5.0
man pagechmod(2)
sourceelixir.bootlin.com

Registers

registervalue
r315, the syscall number
r4const char *filename
r5umode_t mode
r0the return value

Then run trapa #31 to enter the kernel.

Same syscall on other architectures

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