Change the way memory is passed to sha3 Env function

libevmjit-cpp/Env.cpp

@@ -108,14 +108,10 @@ extern "C"
 		o_ret->a = ret ? 1 : 0;
 	}
 
-	EXPORT void ext_sha3(ExtVMFace* _env, i256* _inOff, i256* _inSize, i256* o_ret)
+	EXPORT void ext_sha3(ExtVMFace* _env, byte* _begin, uint64_t _size, h256* o_hash)
 	{
-		auto inOff = static_cast<size_t>(llvm2eth(*_inOff));
+		auto hash = sha3({_begin, _size});
-		auto inSize = static_cast<size_t>(llvm2eth(*_inSize));
+		*o_hash = hash;
-		//auto dataRef = bytesConstRef(_rt->getMemory().data() + inOff, inSize);
-		auto dataRef = bytesConstRef(); // FIXME: Handle memory
-		auto hash = sha3(dataRef);
-		*o_ret = *reinterpret_cast<i256*>(&hash);
 	}
 
 	EXPORT unsigned char* ext_codeAt(ExtVMFace* _env, h256* _addr256)

libevmjit/Compiler.cpp

@@ -172,7 +172,7 @@ std::unique_ptr<llvm::Module> Compiler::compile(bytes const& _bytecode)
 	RuntimeManager runtimeManager(m_builder);
 	GasMeter gasMeter(m_builder, runtimeManager);
 	Memory memory(runtimeManager, gasMeter);
-	Ext ext(runtimeManager);
+	Ext ext(runtimeManager, memory);
 	Stack stack(m_builder, runtimeManager);
 	Arith256 arith(m_builder);
 

libevmjit/Ext.cpp

@@ -9,6 +9,7 @@
 //#include <libevm/FeeStructure.h>
 
 #include "RuntimeManager.h"
+#include "Memory.h"
 #include "Type.h"
 #include "Endianness.h"
 
@@ -19,9 +20,9 @@ namespace eth
 namespace jit
 {
 
-Ext::Ext(RuntimeManager& _runtimeManager):
+Ext::Ext(RuntimeManager& _runtimeManager, Memory& _memoryMan):
 	RuntimeHelper(_runtimeManager),
-	m_data()
+	m_memoryMan(_memoryMan)
 {
 	auto&& ctx = m_builder.getContext();
 	auto module = getModule();
@@ -49,7 +50,6 @@ Ext::Ext(RuntimeManager& _runtimeManager):
 	m_suicide = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 2}, false), Linkage::ExternalLinkage, "ext_suicide", module);
 	m_create = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 5}, false), Linkage::ExternalLinkage, "ext_create", module);
 	m_call = llvm::Function::Create(llvm::FunctionType::get(Type::Void, argsTypes, false), Linkage::ExternalLinkage, "ext_call", module);
-	m_sha3 = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 4}, false), Linkage::ExternalLinkage, "ext_sha3", module);
 	m_exp = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 4}, false), Linkage::ExternalLinkage, "ext_exp", module);
 	m_codeAt = llvm::Function::Create(llvm::FunctionType::get(Type::BytePtr, {argsTypes, 2}, false), Linkage::ExternalLinkage, "ext_codeAt", module);
 	m_codesizeAt = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 3}, false), Linkage::ExternalLinkage, "ext_codesizeAt", module);
@@ -58,6 +58,9 @@ Ext::Ext(RuntimeManager& _runtimeManager):
 	m_log2 = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 5}, false), Linkage::ExternalLinkage, "ext_log2", module);
 	m_log3 = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 6}, false), Linkage::ExternalLinkage, "ext_log3", module);
 	m_log4 = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 7}, false), Linkage::ExternalLinkage, "ext_log4", module);
+
+	llvm::Type* sha3ArgsTypes[] = { Type::EnvPtr, Type::BytePtr, Type::Size, Type::WordPtr };
+	m_sha3 = llvm::Function::Create(llvm::FunctionType::get(Type::Void, sha3ArgsTypes, false), Linkage::ExternalLinkage, "ext_sha3", module);
 }
 
 llvm::Value* Ext::store(llvm::Value* _index)
@@ -127,9 +130,9 @@ llvm::Value* Ext::call(llvm::Value*& _gas, llvm::Value* _receiveAddress, llvm::V
 
 llvm::Value* Ext::sha3(llvm::Value* _inOff, llvm::Value* _inSize)
 {
-	m_builder.CreateStore(_inOff, m_args[0]);
+	auto begin = m_memoryMan.getBytePtr(_inOff);
-	m_builder.CreateStore(_inSize, m_arg2);
+	auto size = m_builder.CreateTrunc(_inSize, Type::Size, "size");
-	createCall(m_sha3, getRuntimeManager().getEnv(), m_args[0], m_arg2, m_args[1]);
+	createCall(m_sha3, getRuntimeManager().getEnv(), begin, size, m_args[1]);
 	llvm::Value* hash = m_builder.CreateLoad(m_args[1]);
 	hash = Endianness::toNative(m_builder, hash);
 	return hash;

libevmjit/Ext.h

@@ -10,11 +10,12 @@ namespace eth
 {
 namespace jit
 {
+	class Memory;
 
 class Ext : public RuntimeHelper
 {
 public:
-	Ext(RuntimeManager& _runtimeManager);
+	Ext(RuntimeManager& _runtimeManager, Memory& _memoryMan);
 
 	llvm::Value* store(llvm::Value* _index);
 	void setStore(llvm::Value* _index, llvm::Value* _value);
@@ -32,6 +33,7 @@ public:
 	void log(llvm::Value* _memIdx, llvm::Value* _numBytes, size_t _numTopics, std::array<llvm::Value*,4> const& _topics);
 
 private:
+	Memory& m_memoryMan;
 
 	llvm::Value* m_args[2];
 	llvm::Value* m_arg2;
@@ -41,7 +43,7 @@ private:
 	llvm::Value* m_arg6;
 	llvm::Value* m_arg7;
 	llvm::Value* m_arg8;
-	llvm::Value* m_data;
+	llvm::Value* m_data = nullptr;
 	llvm::Function* m_store;
 	llvm::Function* m_setStore;
 	llvm::Function* m_calldataload;

libevmjit/Memory.cpp

@@ -118,8 +118,7 @@ llvm::Function* Memory::createFunc(bool _isStore, llvm::Type* _valueType, GasMet
 
 	auto valueSize = _valueType->getPrimitiveSizeInBits() / 8;
 	this->require(index, Constant::get(valueSize));
-	auto data = m_builder.CreateLoad(m_data, "data");
+	auto ptr = getBytePtr(index);
-	auto ptr = m_builder.CreateGEP(data, index, "ptr");
 	if (isWord)
 		ptr = m_builder.CreateBitCast(ptr, Type::WordPtr, "wordPtr");
 	if (_isStore)
@@ -169,6 +168,12 @@ llvm::Value* Memory::getSize()
 	return m_builder.CreateLoad(m_size);
 }
 
+llvm::Value* Memory::getBytePtr(llvm::Value* _index)
+{
+	auto data = m_builder.CreateLoad(m_data, "data");
+	return m_builder.CreateGEP(data, _index, "ptr");
+}
+
 void Memory::require(llvm::Value* _offset, llvm::Value* _size)
 {
 	m_builder.CreateCall2(m_require, _offset, _size);

libevmjit/Memory.h

@@ -19,6 +19,7 @@ public:
 	void storeByte(llvm::Value* _addr, llvm::Value* _byte);
 	llvm::Value* getData();
 	llvm::Value* getSize();
+	llvm::Value* getBytePtr(llvm::Value* _index);
 	void copyBytes(llvm::Value* _srcPtr, llvm::Value* _srcSize, llvm::Value* _srcIndex,
 				   llvm::Value* _destMemIdx, llvm::Value* _byteCount);