//===----------------------------------------------------------------------===//
#include "llvm/System/Memory.h"
+#include "llvm/System/Valgrind.h"
#include "llvm/Config/config.h"
namespace llvm {
void llvm::sys::Memory::InvalidateInstructionCache(const void *Addr,
size_t Len) {
-// icache invalidation for PPC.
-#if (defined(__POWERPC__) || defined (__ppc__) || \
- defined(_POWER) || defined(_ARCH_PPC))
- #if defined(__APPLE__)
- sys_icache_invalidate(Addr, Len);
- #elif 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 PPC
+// icache invalidation for PPC and ARM.
+#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");
+# elif defined(__arm__) && defined(__GNUC__)
+ // FIXME: Can we safely always call this for __GNUC__ everywhere?
+ char *Start = (char*) Addr;
+ char *End = Start + Len;
+ __clear_cache(Start, End);
+# endif
+
+#endif // end apple
+
+ ValgrindDiscardTranslations(Addr, Len);
}