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Add raiseException helper to RuntimeManager [#81563132]

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This commit is contained in:
Paweł Bylica 2014-10-28 18:04:01 +01:00
parent 31c9dd3fcf
commit ac38bf9ac1
4 changed files with 15 additions and 8 deletions
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6
libevmjit/GasMeter.cpp
View file

@ -101,11 +101,7 @@ GasMeter::GasMeter(llvm::IRBuilder<>& _builder, RuntimeManager& _runtimeManager)
m_builder.CreateCondBr(isOutOfGas, outOfGasBB, updateBB); m_builder.CreateCondBr(isOutOfGas, outOfGasBB, updateBB);
m_builder.SetInsertPoint(outOfGasBB); m_builder.SetInsertPoint(outOfGasBB);
_runtimeManager.raiseException(ReturnCode::OutOfGas);
//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));
m_builder.CreateUnreachable(); m_builder.CreateUnreachable();
m_builder.SetInsertPoint(updateBB); m_builder.SetInsertPoint(updateBB);

2
libevmjit/GasMeter.h
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@ -13,7 +13,7 @@ namespace jit
{ {
class RuntimeManager; class RuntimeManager;
class GasMeter : public CompilerHelper class GasMeter : public CompilerHelper // TODO: Use RuntimeHelper
{ {
public: public:
GasMeter(llvm::IRBuilder<>& _builder, RuntimeManager& _runtimeManager); GasMeter(llvm::IRBuilder<>& _builder, RuntimeManager& _runtimeManager);

7
libevmjit/Runtime.cpp
View file

@ -113,6 +113,8 @@ bytesConstRef Runtime::getReturnData() const
RuntimeManager::RuntimeManager(llvm::IRBuilder<>& _builder): CompilerHelper(_builder) 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"); 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 // Export data
auto mainFunc = getMainFunction(); auto mainFunc = getMainFunction();
@ -149,6 +151,11 @@ void RuntimeManager::registerReturnData(llvm::Value* _offset, llvm::Value* _size
set(RuntimeData::ReturnDataSize, _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) llvm::Value* RuntimeManager::get(Instruction _inst)
{ {
switch (_inst) switch (_inst)

8
libevmjit/Runtime.h
View file

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