`pthread_jit_write_protect_np` is only available on macOS, and
`sys_icache_invalidate` is available on both iOS and macOS and
has no restrictions on ARM architecture.
This folder contains the platform abstract layer for multiple platforms. To support a new platform, you can simply create a new folder here and implement all the APIs defined in include folder.
Refer to port_wamr.md for how to port WAMR to a target platform.