Add raiseException helper to RuntimeManager [#81563132]

libevmjit/GasMeter.cpp

@@ -101,11 +101,7 @@ GasMeter::GasMeter(llvm::IRBuilder<>& _builder, RuntimeManager& _runtimeManager)
 	m_builder.CreateCondBr(isOutOfGas, outOfGasBB, updateBB);
 
 	m_builder.SetInsertPoint(outOfGasBB);
-
-	//auto longjmpFunc = llvm::Intrinsic::getDeclaration(_module, llvm::Intrinsic::eh_sjlj_longjmp);
-	llvm::Type* args[] = {Type::BytePtr, m_builder.getInt32Ty()};
-	auto longjmpNative = llvm::Function::Create(llvm::FunctionType::get(Type::Void, args, false), llvm::Function::ExternalLinkage, "longjmp", module);
-	m_builder.CreateCall2(longjmpNative, m_runtimeManager.getJmpBuf(), Constant::get(ReturnCode::OutOfGas));
+	_runtimeManager.raiseException(ReturnCode::OutOfGas);
 	m_builder.CreateUnreachable();
 
 	m_builder.SetInsertPoint(updateBB);

libevmjit/GasMeter.h

@@ -13,7 +13,7 @@ namespace jit
 {
 class RuntimeManager;
 
-class GasMeter : public CompilerHelper
+class GasMeter : public CompilerHelper // TODO: Use RuntimeHelper
 {
 public:
 	GasMeter(llvm::IRBuilder<>& _builder, RuntimeManager& _runtimeManager);

libevmjit/Runtime.cpp

@@ -113,6 +113,8 @@ bytesConstRef Runtime::getReturnData() const
 RuntimeManager::RuntimeManager(llvm::IRBuilder<>& _builder): CompilerHelper(_builder)
 {
 	m_dataPtr = new llvm::GlobalVariable(*getModule(), Type::RuntimePtr, false, llvm::GlobalVariable::PrivateLinkage, llvm::UndefValue::get(Type::RuntimePtr), "rt");
+	llvm::Type* args[] = {Type::BytePtr, m_builder.getInt32Ty()};
+	m_longjmp = llvm::Function::Create(llvm::FunctionType::get(Type::Void, args, false), llvm::Function::ExternalLinkage, "longjmp", getModule());
 
 	// Export data
 	auto mainFunc = getMainFunction();
@@ -149,6 +151,11 @@ void RuntimeManager::registerReturnData(llvm::Value* _offset, llvm::Value* _size
 	set(RuntimeData::ReturnDataSize, _size);
 }
 
+void RuntimeManager::raiseException(ReturnCode _returnCode)
+{
+	m_builder.CreateCall2(m_longjmp, getJmpBuf(), Constant::get(_returnCode));
+}
+
 llvm::Value* RuntimeManager::get(Instruction _inst)
 {
 	switch (_inst)

libevmjit/Runtime.h

@@ -7,6 +7,7 @@
 
 #include "CompilerHelper.h"
 #include "Utils.h"
+#include "Type.h"
 
 
 #ifdef _MSC_VER
@@ -99,16 +100,19 @@ public:
 	llvm::Value* getGas();	// TODO: Remove
 	llvm::Value* getCallData();
 	llvm::Value* getCode();
-	llvm::Value* getJmpBuf();
 	void setGas(llvm::Value* _gas);
 
 	void registerReturnData(llvm::Value* _index, llvm::Value* _size);
 
+	void raiseException(ReturnCode _returnCode);
+
 private:
 	llvm::Value* getPtr(RuntimeData::Index _index);
 	void set(RuntimeData::Index _index, llvm::Value* _value);
+	llvm::Value* getJmpBuf();
 
-	llvm::GlobalVariable* m_dataPtr;
+	llvm::GlobalVariable* m_dataPtr = nullptr;
+	llvm::Function* m_longjmp = nullptr;
 };
 
 }