X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2FMemory.cpp;h=f9a4903ad015781d9e1435beac90963581761119;hb=11eb51e23935e22e1cb7b346c45713e8c9169c84;hp=22f74944865ca9cc5abd8310ded933f5dfd18cfb;hpb=d897599e5ba43c644c685c916f55e70a56f420ff;p=oota-llvm.git diff --git a/lib/Support/Memory.cpp b/lib/Support/Memory.cpp index 22f74944865..f9a4903ad01 100644 --- a/lib/Support/Memory.cpp +++ b/lib/Support/Memory.cpp @@ -13,16 +13,8 @@ //===----------------------------------------------------------------------===// #include "llvm/Support/Memory.h" -#include "llvm/Support/Valgrind.h" #include "llvm/Config/config.h" - -#if defined(__mips__) -#include -#endif - -namespace llvm { -using namespace sys; -} +#include "llvm/Support/Valgrind.h" // Include the platform-specific parts of this class. #ifdef LLVM_ON_UNIX @@ -31,51 +23,3 @@ using namespace sys; #ifdef LLVM_ON_WIN32 #include "Windows/Memory.inc" #endif - -extern "C" void sys_icache_invalidate(const void *Addr, size_t len); - -/// InvalidateInstructionCache - Before the JIT can run a block of code -/// that has been emitted it must invalidate the instruction cache on some -/// platforms. -void llvm::sys::Memory::InvalidateInstructionCache(const void *Addr, - size_t Len) { - -// icache invalidation for PPC and ARM. -#if defined(__APPLE__) - -# if (defined(__POWERPC__) || defined (__ppc__) || \ - defined(_POWER) || defined(_ARCH_PPC)) || defined(__arm__) - sys_icache_invalidate(const_cast(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? - const char *Start = static_cast(Addr); - const char *End = Start + Len; - __clear_cache(const_cast(Start), const_cast(End)); -# elif defined(__mips__) - const char *Start = static_cast(Addr); - cacheflush(const_cast(Start), Len, BCACHE); -# endif - -#endif // end apple - - ValgrindDiscardTranslations(Addr, Len); -}