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[asan] Fix kernel callback naming in instrumentation module.

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Right now clang uses "_n" suffix for some user space callbacks and "N" for the matching kernel ones. There's no need for this and it actually breaks kernel build with inline instrumentation. Use the same callback names for user space and the kernel (and also make them consistent with the names GCC uses).

Patch by Andrey Konovalov.

Differential Revision: https://reviews.llvm.org/D42423

llvm-svn: 323470
This commit is contained in:
Evgeniy Stepanov 2018-01-25 21:28:51 +00:00
parent 4a4cc9aaaf
commit b7fb5801e7
1 changed files with 1 additions and 3 deletions
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4
lib/Transforms/Instrumentation/AddressSanitizer.cpp
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@ -2247,7 +2247,6 @@ void AddressSanitizer::initializeCallbacks(Module &M) {
for (size_t AccessIsWrite = 0; AccessIsWrite <= 1; AccessIsWrite++) {
const std::string TypeStr = AccessIsWrite ? "store" : "load";
const std::string ExpStr = Exp ? "exp_" : "";
const std::string SuffixStr = CompileKernel ? "N" : "_n";
const std::string EndingStr = Recover ? "_noabort" : "";
SmallVector<Type *, 3> Args2 = {IntptrTy, IntptrTy};
@ -2259,8 +2258,7 @@ void AddressSanitizer::initializeCallbacks(Module &M) {
}
AsanErrorCallbackSized[AccessIsWrite][Exp] =
checkSanitizerInterfaceFunction(M.getOrInsertFunction(
kAsanReportErrorTemplate + ExpStr + TypeStr + SuffixStr +
EndingStr,
kAsanReportErrorTemplate + ExpStr + TypeStr + "_n" + EndingStr,
FunctionType::get(IRB.getVoidTy(), Args2, false)));
AsanMemoryAccessCallbackSized[AccessIsWrite][Exp] =