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-rw-r--r--lib/Transforms/Instrumentation/AddressSanitizer.cpp18
1 files changed, 15 insertions, 3 deletions
diff --git a/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/lib/Transforms/Instrumentation/AddressSanitizer.cpp
index 680c0ed9de..efb16d4b96 100644
--- a/lib/Transforms/Instrumentation/AddressSanitizer.cpp
+++ b/lib/Transforms/Instrumentation/AddressSanitizer.cpp
@@ -365,7 +365,8 @@ struct AddressSanitizer : public FunctionPass {
Function *AsanErrorCallback[2][kNumberOfAccessSizes];
Function *AsanMemoryAccessCallback[2][kNumberOfAccessSizes];
// This array is indexed by AccessIsWrite.
- Function *AsanErrorCallbackSized[2];
+ Function *AsanErrorCallbackSized[2],
+ *AsanMemoryAccessCallbackSized[2];
InlineAsm *EmptyAsm;
SetOfDynamicallyInitializedGlobals DynamicallyInitializedGlobals;
@@ -824,8 +825,12 @@ void AddressSanitizer::instrumentAddress(Instruction *OrigIns,
size_t AccessSizeIndex = TypeSizeToSizeIndex(TypeSize);
if (UseCalls) {
- IRB.CreateCall(AsanMemoryAccessCallback[IsWrite][AccessSizeIndex],
- AddrLong);
+ if (SizeArgument)
+ IRB.CreateCall2(AsanMemoryAccessCallbackSized[IsWrite], AddrLong,
+ SizeArgument);
+ else
+ IRB.CreateCall(AsanMemoryAccessCallback[IsWrite][AccessSizeIndex],
+ AddrLong);
return;
}
@@ -1149,6 +1154,13 @@ void AddressSanitizer::initializeCallbacks(Module &M) {
AsanErrorCallbackSized[1] = checkInterfaceFunction(M.getOrInsertFunction(
kAsanReportStoreN, IRB.getVoidTy(), IntptrTy, IntptrTy, NULL));
+ AsanMemoryAccessCallbackSized[0] = checkInterfaceFunction(
+ M.getOrInsertFunction(ClMemoryAccessCallbackPrefix + "loadN",
+ IRB.getVoidTy(), IntptrTy, IntptrTy, NULL));
+ AsanMemoryAccessCallbackSized[1] = checkInterfaceFunction(
+ M.getOrInsertFunction(ClMemoryAccessCallbackPrefix + "storeN",
+ IRB.getVoidTy(), IntptrTy, IntptrTy, NULL));
+
AsanHandleNoReturnFunc = checkInterfaceFunction(M.getOrInsertFunction(
kAsanHandleNoReturnName, IRB.getVoidTy(), NULL));
AsanCovFunction = checkInterfaceFunction(M.getOrInsertFunction(