#include <libkern/OSCacheControl.h>
#include <stddef.h>

// randomx (pulled in by monero's proof-of-work code) calls the compiler-rt
// builtin __clear_cache from its AArch64 JIT. libSystem exports it on macOS and
// the simulator, but not on iOS devices, so provide the same implementation
// compiler-rt uses on Darwin.
void __clear_cache(void *start, void *end) {
  sys_icache_invalidate(start, (size_t)((char *)end - (char *)start));
}