diff options
Diffstat (limited to 'lib/Transforms/Instrumentation/ThreadSanitizer.cpp')
-rw-r--r-- | lib/Transforms/Instrumentation/ThreadSanitizer.cpp | 72 |
1 files changed, 33 insertions, 39 deletions
diff --git a/lib/Transforms/Instrumentation/ThreadSanitizer.cpp b/lib/Transforms/Instrumentation/ThreadSanitizer.cpp index c3ba722..aa8ee5a 100644 --- a/lib/Transforms/Instrumentation/ThreadSanitizer.cpp +++ b/lib/Transforms/Instrumentation/ThreadSanitizer.cpp @@ -129,54 +129,48 @@ FunctionPass *llvm::createThreadSanitizerPass() { return new ThreadSanitizer(); } -static Function *checkInterfaceFunction(Constant *FuncOrBitcast) { - if (Function *F = dyn_cast<Function>(FuncOrBitcast)) - return F; - FuncOrBitcast->dump(); - report_fatal_error("ThreadSanitizer interface function redefined"); -} - void ThreadSanitizer::initializeCallbacks(Module &M) { IRBuilder<> IRB(M.getContext()); // Initialize the callbacks. - TsanFuncEntry = checkInterfaceFunction(M.getOrInsertFunction( + TsanFuncEntry = checkSanitizerInterfaceFunction(M.getOrInsertFunction( "__tsan_func_entry", IRB.getVoidTy(), IRB.getInt8PtrTy(), nullptr)); - TsanFuncExit = checkInterfaceFunction(M.getOrInsertFunction( - "__tsan_func_exit", IRB.getVoidTy(), nullptr)); + TsanFuncExit = checkSanitizerInterfaceFunction( + M.getOrInsertFunction("__tsan_func_exit", IRB.getVoidTy(), nullptr)); OrdTy = IRB.getInt32Ty(); for (size_t i = 0; i < kNumberOfAccessSizes; ++i) { const size_t ByteSize = 1 << i; const size_t BitSize = ByteSize * 8; SmallString<32> ReadName("__tsan_read" + itostr(ByteSize)); - TsanRead[i] = checkInterfaceFunction(M.getOrInsertFunction( + TsanRead[i] = checkSanitizerInterfaceFunction(M.getOrInsertFunction( ReadName, IRB.getVoidTy(), IRB.getInt8PtrTy(), nullptr)); SmallString<32> WriteName("__tsan_write" + itostr(ByteSize)); - TsanWrite[i] = checkInterfaceFunction(M.getOrInsertFunction( + TsanWrite[i] = checkSanitizerInterfaceFunction(M.getOrInsertFunction( WriteName, IRB.getVoidTy(), IRB.getInt8PtrTy(), nullptr)); SmallString<64> UnalignedReadName("__tsan_unaligned_read" + itostr(ByteSize)); - TsanUnalignedRead[i] = checkInterfaceFunction(M.getOrInsertFunction( - UnalignedReadName, IRB.getVoidTy(), IRB.getInt8PtrTy(), nullptr)); + TsanUnalignedRead[i] = + checkSanitizerInterfaceFunction(M.getOrInsertFunction( + UnalignedReadName, IRB.getVoidTy(), IRB.getInt8PtrTy(), nullptr)); SmallString<64> UnalignedWriteName("__tsan_unaligned_write" + itostr(ByteSize)); - TsanUnalignedWrite[i] = checkInterfaceFunction(M.getOrInsertFunction( - UnalignedWriteName, IRB.getVoidTy(), IRB.getInt8PtrTy(), nullptr)); + TsanUnalignedWrite[i] = + checkSanitizerInterfaceFunction(M.getOrInsertFunction( + UnalignedWriteName, IRB.getVoidTy(), IRB.getInt8PtrTy(), nullptr)); Type *Ty = Type::getIntNTy(M.getContext(), BitSize); Type *PtrTy = Ty->getPointerTo(); SmallString<32> AtomicLoadName("__tsan_atomic" + itostr(BitSize) + "_load"); - TsanAtomicLoad[i] = checkInterfaceFunction(M.getOrInsertFunction( - AtomicLoadName, Ty, PtrTy, OrdTy, nullptr)); + TsanAtomicLoad[i] = checkSanitizerInterfaceFunction( + M.getOrInsertFunction(AtomicLoadName, Ty, PtrTy, OrdTy, nullptr)); SmallString<32> AtomicStoreName("__tsan_atomic" + itostr(BitSize) + "_store"); - TsanAtomicStore[i] = checkInterfaceFunction(M.getOrInsertFunction( - AtomicStoreName, IRB.getVoidTy(), PtrTy, Ty, OrdTy, - nullptr)); + TsanAtomicStore[i] = checkSanitizerInterfaceFunction(M.getOrInsertFunction( + AtomicStoreName, IRB.getVoidTy(), PtrTy, Ty, OrdTy, nullptr)); for (int op = AtomicRMWInst::FIRST_BINOP; op <= AtomicRMWInst::LAST_BINOP; ++op) { @@ -199,34 +193,34 @@ void ThreadSanitizer::initializeCallbacks(Module &M) { else continue; SmallString<32> RMWName("__tsan_atomic" + itostr(BitSize) + NamePart); - TsanAtomicRMW[op][i] = checkInterfaceFunction(M.getOrInsertFunction( - RMWName, Ty, PtrTy, Ty, OrdTy, nullptr)); + TsanAtomicRMW[op][i] = checkSanitizerInterfaceFunction( + M.getOrInsertFunction(RMWName, Ty, PtrTy, Ty, OrdTy, nullptr)); } SmallString<32> AtomicCASName("__tsan_atomic" + itostr(BitSize) + "_compare_exchange_val"); - TsanAtomicCAS[i] = checkInterfaceFunction(M.getOrInsertFunction( + TsanAtomicCAS[i] = checkSanitizerInterfaceFunction(M.getOrInsertFunction( AtomicCASName, Ty, PtrTy, Ty, Ty, OrdTy, OrdTy, nullptr)); } - TsanVptrUpdate = checkInterfaceFunction(M.getOrInsertFunction( - "__tsan_vptr_update", IRB.getVoidTy(), IRB.getInt8PtrTy(), - IRB.getInt8PtrTy(), nullptr)); - TsanVptrLoad = checkInterfaceFunction(M.getOrInsertFunction( + TsanVptrUpdate = checkSanitizerInterfaceFunction( + M.getOrInsertFunction("__tsan_vptr_update", IRB.getVoidTy(), + IRB.getInt8PtrTy(), IRB.getInt8PtrTy(), nullptr)); + TsanVptrLoad = checkSanitizerInterfaceFunction(M.getOrInsertFunction( "__tsan_vptr_read", IRB.getVoidTy(), IRB.getInt8PtrTy(), nullptr)); - TsanAtomicThreadFence = checkInterfaceFunction(M.getOrInsertFunction( + TsanAtomicThreadFence = checkSanitizerInterfaceFunction(M.getOrInsertFunction( "__tsan_atomic_thread_fence", IRB.getVoidTy(), OrdTy, nullptr)); - TsanAtomicSignalFence = checkInterfaceFunction(M.getOrInsertFunction( + TsanAtomicSignalFence = checkSanitizerInterfaceFunction(M.getOrInsertFunction( "__tsan_atomic_signal_fence", IRB.getVoidTy(), OrdTy, nullptr)); - MemmoveFn = checkInterfaceFunction(M.getOrInsertFunction( - "memmove", IRB.getInt8PtrTy(), IRB.getInt8PtrTy(), - IRB.getInt8PtrTy(), IntptrTy, nullptr)); - MemcpyFn = checkInterfaceFunction(M.getOrInsertFunction( - "memcpy", IRB.getInt8PtrTy(), IRB.getInt8PtrTy(), IRB.getInt8PtrTy(), - IntptrTy, nullptr)); - MemsetFn = checkInterfaceFunction(M.getOrInsertFunction( - "memset", IRB.getInt8PtrTy(), IRB.getInt8PtrTy(), IRB.getInt32Ty(), - IntptrTy, nullptr)); + MemmoveFn = checkSanitizerInterfaceFunction( + M.getOrInsertFunction("memmove", IRB.getInt8PtrTy(), IRB.getInt8PtrTy(), + IRB.getInt8PtrTy(), IntptrTy, nullptr)); + MemcpyFn = checkSanitizerInterfaceFunction( + M.getOrInsertFunction("memcpy", IRB.getInt8PtrTy(), IRB.getInt8PtrTy(), + IRB.getInt8PtrTy(), IntptrTy, nullptr)); + MemsetFn = checkSanitizerInterfaceFunction( + M.getOrInsertFunction("memset", IRB.getInt8PtrTy(), IRB.getInt8PtrTy(), + IRB.getInt32Ty(), IntptrTy, nullptr)); } bool ThreadSanitizer::doInitialization(Module &M) { |