#include "llvm/System/Memory.h"
#include "llvm/Config/config.h"
namespace llvm {
using namespace sys;
}
#ifdef LLVM_ON_UNIX
#include "Unix/Memory.inc"
#endif
#ifdef LLVM_ON_WIN32
#include "Win32/Memory.inc"
#endif
extern "C" void sys_icache_invalidate(const void *Addr, size_t len);
void llvm::sys::Memory::InvalidateInstructionCache(const void *Addr,
size_t Len) {
#if defined(__APPLE__)
#if (defined(__POWERPC__) || defined (__ppc__) || \
defined(_POWER) || defined(_ARCH_PPC)) || defined(__arm__)
sys_icache_invalidate(Addr, Len);
#endif
#else
#if (defined(__POWERPC__) || defined (__ppc__) || \
defined(_POWER) || defined(_ARCH_PPC)) && defined(__GNUC__)
const size_t LineSize = 32;
const intptr_t Mask = ~(LineSize - 1);
const intptr_t StartLine = ((intptr_t) Addr) & Mask;
const intptr_t EndLine = ((intptr_t) Addr + Len + LineSize - 1) & Mask;
for (intptr_t Line = StartLine; Line < EndLine; Line += LineSize)
asm volatile("dcbf 0, %0" : : "r"(Line));
asm volatile("sync");
for (intptr_t Line = StartLine; Line < EndLine; Line += LineSize)
asm volatile("icbi 0, %0" : : "r"(Line));
asm volatile("isync");
#endif
#endif // end apple
}