Changing Runtime interface

libevmjit-cpp/Runtime.cpp

@@ -0,0 +1,70 @@
+
+#include "Runtime.h"
+
+#include <llvm/IR/GlobalVariable.h>
+#include <llvm/IR/Function.h>
+#include <llvm/IR/IntrinsicInst.h>
+
+//#include <libevm/VM.h>
+
+namespace dev
+{
+namespace eth
+{
+namespace jit
+{
+
+Runtime::Runtime(u256 _gas, ExtVMFace& _ext, jmp_buf _jmpBuf, bool _outputLogs):
+	m_ext(_ext),
+	m_outputLogs(_outputLogs)
+{
+	set(RuntimeData::Gas, _gas);
+	set(RuntimeData::Address, fromAddress(_ext.myAddress));
+	set(RuntimeData::Caller, fromAddress(_ext.caller));
+	set(RuntimeData::Origin, fromAddress(_ext.origin));
+	set(RuntimeData::CallValue, _ext.value);
+	set(RuntimeData::CallDataSize, _ext.data.size());
+	set(RuntimeData::GasPrice, _ext.gasPrice);
+	set(RuntimeData::PrevHash, _ext.previousBlock.hash);
+	set(RuntimeData::CoinBase, fromAddress(_ext.currentBlock.coinbaseAddress));
+	set(RuntimeData::TimeStamp, _ext.currentBlock.timestamp);
+	set(RuntimeData::Number, _ext.currentBlock.number);
+	set(RuntimeData::Difficulty, _ext.currentBlock.difficulty);
+	set(RuntimeData::GasLimit, _ext.currentBlock.gasLimit);
+	set(RuntimeData::CodeSize, _ext.code.size());   // TODO: Use constant
+	m_data.callData = _ext.data.data();
+	m_data.code = _ext.code.data();
+	m_data.jmpBuf = _jmpBuf;
+}
+
+void Runtime::set(RuntimeData::Index _index, u256 _value)
+{
+	m_data.elems[_index] = eth2llvm(_value);
+}
+
+u256 Runtime::getGas() const
+{
+	return llvm2eth(m_data.elems[RuntimeData::Gas]);
+}
+
+bytes Runtime::getReturnData() const	// FIXME: Reconsider returning by copy
+{
+	// TODO: Handle large indexes
+	auto offset = static_cast<size_t>(llvm2eth(m_data.elems[RuntimeData::ReturnDataOffset]));
+	auto size = static_cast<size_t>(llvm2eth(m_data.elems[RuntimeData::ReturnDataSize]));
+
+	assert(offset + size <= m_memory.size());
+	// TODO: Handle invalid data access by returning empty ref
+	auto dataBeg = m_memory.begin() + offset;
+	return {dataBeg, dataBeg + size};
+}
+
+bool Runtime::outputLogs() const
+{
+	return m_outputLogs;
+}
+
+
+}
+}
+}

libevmjit-cpp/Runtime.h

@@ -0,0 +1,64 @@
+
+#pragma once
+
+#include <vector>
+#include <csetjmp>
+
+//#include <libevm/ExtVMFace.h>
+
+#include "Instruction.h"
+#include "CompilerHelper.h"
+#include "Utils.h"
+#include "Type.h"
+#include "RuntimeData.h"
+
+
+#ifdef _MSC_VER
+	#define EXPORT __declspec(dllexport)
+#else
+	#define EXPORT
+#endif
+
+namespace dev
+{
+namespace eth
+{
+namespace jit
+{
+
+using StackImpl = std::vector<i256>;
+using MemoryImpl = bytes;
+
+class Runtime
+{
+public:
+	Runtime(u256 _gas, ExtVMFace& _ext, jmp_buf _jmpBuf, bool _outputLogs);
+
+	Runtime(const Runtime&) = delete;
+	void operator=(const Runtime&) = delete;
+
+	RuntimeData* getDataPtr() { return &m_data; }
+
+	StackImpl& getStack() { return m_stack; }
+	MemoryImpl& getMemory() { return m_memory; }
+	ExtVMFace& getExt() { return m_ext; }
+
+	u256 getGas() const;
+	bytes getReturnData() const;
+	decltype(&jmp_buf{}[0]) getJmpBuf() { return m_data.jmpBuf; }
+	bool outputLogs() const;
+
+private:
+	void set(RuntimeData::Index _index, u256 _value);
+
+	/// @internal Must be the first element to asure Runtime* === RuntimeData*
+	RuntimeData m_data;
+	StackImpl m_stack;
+	MemoryImpl m_memory;
+	ExtVMFace& m_ext;
+	bool m_outputLogs; ///< write LOG statements to console
+};
+
+}
+}
+}

libevmjit/Runtime.cpp

@@ -14,33 +14,11 @@ namespace eth
 namespace jit
 {
 
-Runtime::Runtime(u256 _gas, ExtVMFace& _ext, jmp_buf _jmpBuf, bool _outputLogs):
-	m_ext(_ext),
-	m_outputLogs(_outputLogs)
-{
-	set(RuntimeData::Gas, _gas);
-	set(RuntimeData::Address, fromAddress(_ext.myAddress));
-	set(RuntimeData::Caller, fromAddress(_ext.caller));
-	set(RuntimeData::Origin, fromAddress(_ext.origin));
-	set(RuntimeData::CallValue, _ext.value);
-	set(RuntimeData::CallDataSize, _ext.data.size());
-	set(RuntimeData::GasPrice, _ext.gasPrice);
-	set(RuntimeData::PrevHash, _ext.previousBlock.hash);
-	set(RuntimeData::CoinBase, fromAddress(_ext.currentBlock.coinbaseAddress));
-	set(RuntimeData::TimeStamp, _ext.currentBlock.timestamp);
-	set(RuntimeData::Number, _ext.currentBlock.number);
-	set(RuntimeData::Difficulty, _ext.currentBlock.difficulty);
-	set(RuntimeData::GasLimit, _ext.currentBlock.gasLimit);
-	set(RuntimeData::CodeSize, _ext.code.size());   // TODO: Use constant
-	m_data.callData = _ext.data.data();
-	m_data.code = _ext.code.data();
-	m_data.jmpBuf = _jmpBuf;
-}
-
-void Runtime::set(RuntimeData::Index _index, u256 _value)
-{
-	m_data.elems[_index] = eth2llvm(_value);
-}
+Runtime::Runtime(RuntimeData* _data, Env* _env, JmpBufRef _jmpBuf):
+	m_data(*_data),
+	m_env(*_env),
+	m_jmpBuf(_jmpBuf)
+{}
 
 u256 Runtime::getGas() const
 {
@@ -59,12 +37,6 @@ bytes Runtime::getReturnData() const	// FIXME: Reconsider returning by copy
 	return {dataBeg, dataBeg + size};
 }
 
-bool Runtime::outputLogs() const
-{
-	return m_outputLogs;
-}
-
-
 }
 }
 }

libevmjit/Runtime.h

@@ -2,9 +2,6 @@
 #pragma once
 
 #include <vector>
-#include <csetjmp>
-
-//#include <libevm/ExtVMFace.h>
 
 #include "Instruction.h"
 #include "CompilerHelper.h"
@@ -28,11 +25,15 @@ namespace jit
 
 using StackImpl = std::vector<i256>;
 using MemoryImpl = bytes;
+using JmpBufRef = decltype(&jmp_buf{}[0]);
+
+/// VM Environment (ExtVM) opaque type
+struct Env;
 
 class Runtime
 {
 public:
-	Runtime(u256 _gas, ExtVMFace& _ext, jmp_buf _jmpBuf, bool _outputLogs);
+	Runtime(RuntimeData* _data, Env* _env, JmpBufRef _jmpBuf);
 
 	Runtime(const Runtime&) = delete;
 	void operator=(const Runtime&) = delete;
@@ -41,22 +42,18 @@ public:
 
 	StackImpl& getStack() { return m_stack; }
 	MemoryImpl& getMemory() { return m_memory; }
-	ExtVMFace& getExt() { return m_ext; }
+	Env* getEnvPtr() { return &m_env; }
 
 	u256 getGas() const;
 	bytes getReturnData() const;
-	decltype(&jmp_buf{}[0]) getJmpBuf() { return m_data.jmpBuf; }
-	bool outputLogs() const;
+	JmpBufRef getJmpBuf() { return m_jmpBuf; }
 
 private:
-	void set(RuntimeData::Index _index, u256 _value);
-
-	/// @internal Must be the first element to asure Runtime* === RuntimeData*
-	RuntimeData m_data;
+	RuntimeData& m_data;
+	Env& m_env;
+	JmpBufRef m_jmpBuf;
 	StackImpl m_stack;
 	MemoryImpl m_memory;
-	ExtVMFace& m_ext;
-	bool m_outputLogs; ///< write LOG statements to console
 };
 
 }

libevmjit/RuntimeData.h

@@ -13,8 +13,6 @@ namespace eth
 namespace jit
 {
 	
-using jmpBufRef = decltype(&jmp_buf{}[0]);
-
 struct RuntimeData
 {
 	enum Index
@@ -43,7 +41,6 @@ struct RuntimeData
 	i256 elems[_size];
 	byte const* callData;
 	byte const* code;
-	jmpBufRef jmpBuf;
 };
 
 }