Function *SanCovFunction;
Function *SanCovWithCheckFunction;
Function *SanCovIndirCallFunction;
- Function *SanCovModuleInit;
Function *SanCovTraceEnter, *SanCovTraceBB;
Function *SanCovTraceCmpFunction;
InlineAsm *EmptyAsm;
Type *Int32PtrTy = PointerType::getUnqual(IRB.getInt32Ty());
Int64Ty = IRB.getInt64Ty();
- Function *CtorFunc =
- Function::Create(FunctionType::get(VoidTy, false),
- GlobalValue::InternalLinkage, kSanCovModuleCtorName, &M);
- ReturnInst::Create(*C, BasicBlock::Create(*C, "", CtorFunc));
- appendToGlobalCtors(M, CtorFunc, kSanCtorAndDtorPriority);
-
SanCovFunction = checkSanitizerInterfaceFunction(
M.getOrInsertFunction(kSanCovName, VoidTy, Int32PtrTy, nullptr));
SanCovWithCheckFunction = checkSanitizerInterfaceFunction(
checkSanitizerInterfaceFunction(M.getOrInsertFunction(
kSanCovTraceCmp, VoidTy, Int64Ty, Int64Ty, Int64Ty, nullptr));
- SanCovModuleInit = checkSanitizerInterfaceFunction(M.getOrInsertFunction(
- kSanCovModuleInitName, VoidTy, Int32PtrTy, IntptrTy,
- Int8PtrTy, Int8PtrTy, nullptr));
- SanCovModuleInit->setLinkage(Function::ExternalLinkage);
// We insert an empty inline asm after cov callbacks to avoid callback merge.
EmptyAsm = InlineAsm::get(FunctionType::get(IRB.getVoidTy(), false),
StringRef(""), StringRef(""),
new GlobalVariable(M, ModNameStrConst->getType(), true,
GlobalValue::PrivateLinkage, ModNameStrConst);
- // Call __sanitizer_cov_module_init
- IRB.SetInsertPoint(CtorFunc->getEntryBlock().getTerminator());
- IRB.CreateCall4(
- SanCovModuleInit, IRB.CreatePointerCast(RealGuardArray, Int32PtrTy),
+ ArrayRef<Value *> InitArgs = {
+ IRB.CreatePointerCast(RealGuardArray, Int32PtrTy),
ConstantInt::get(IntptrTy, N),
Options.Use8bitCounters
? IRB.CreatePointerCast(RealEightBitCounterArray, Int8PtrTy)
: Constant::getNullValue(Int8PtrTy),
- IRB.CreatePointerCast(ModuleName, Int8PtrTy));
+ IRB.CreatePointerCast(ModuleName, Int8PtrTy)};
+
+ Function *CtorFunc;
+ std::tie(CtorFunc, std::ignore) = createSanitizerCtorAndInitFunctions(
+ M, kSanCovModuleCtorName, kSanCovModuleInitName,
+ {Int32PtrTy, IntptrTy, Int8PtrTy, Int8PtrTy}, InitArgs);
+
+ appendToGlobalCtors(M, CtorFunc, kSanCtorAndDtorPriority);
+
return true;
}