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Alloc stack elemnent for external function call argument on demand

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This commit is contained in:
Paweł Bylica 2015-01-07 15:17:46 +01:00
parent 4f4fc6349a
commit e5d0fb35aa
2 changed files with 15 additions and 34 deletions
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41
libevmjit/Ext.cpp
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@ -24,15 +24,6 @@ Ext::Ext(RuntimeManager& _runtimeManager, Memory& _memoryMan):
RuntimeHelper(_runtimeManager),
m_memoryMan(_memoryMan)
{
m_args[0] = m_builder.CreateAlloca(Type::Word, nullptr, "ext.index");
m_args[1] = m_builder.CreateAlloca(Type::Word, nullptr, "ext.value");
m_arg2 = m_builder.CreateAlloca(Type::Word, nullptr, "ext.arg2");
m_arg3 = m_builder.CreateAlloca(Type::Word, nullptr, "ext.arg3");
m_arg4 = m_builder.CreateAlloca(Type::Word, nullptr, "ext.arg4");
m_arg5 = m_builder.CreateAlloca(Type::Word, nullptr, "ext.arg5");
m_arg6 = m_builder.CreateAlloca(Type::Word, nullptr, "ext.arg6");
m_arg7 = m_builder.CreateAlloca(Type::Word, nullptr, "ext.arg7");
m_arg8 = m_builder.CreateAlloca(Type::Word, nullptr, "ext.arg8");
m_size = m_builder.CreateAlloca(Type::Size, nullptr, "env.size");
}
@ -112,9 +103,9 @@ void Ext::sstore(llvm::Value* _index, llvm::Value* _value)
llvm::Value* Ext::calldataload(llvm::Value* _index)
{
m_builder.CreateStore(_index, m_args[0]);
createCall(EnvFunc::calldataload, {getRuntimeManager().getDataPtr(), m_args[0], m_args[1]});
auto ret = m_builder.CreateLoad(m_args[1]);
auto ret = getArgAlloca();
createCall(EnvFunc::calldataload, {getRuntimeManager().getDataPtr(), byPtr(_index), ret});
ret = m_builder.CreateLoad(ret);
return Endianness::toNative(m_builder, ret);
}
@ -128,31 +119,28 @@ llvm::Value* Ext::balance(llvm::Value* _address)
llvm::Value* Ext::create(llvm::Value*& _gas, llvm::Value* _endowment, llvm::Value* _initOff, llvm::Value* _initSize)
{
m_builder.CreateStore(_gas, m_args[0]);
m_builder.CreateStore(_endowment, m_arg2);
auto gas = byPtr(_gas);
auto ret = getArgAlloca();
auto begin = m_memoryMan.getBytePtr(_initOff);
auto size = m_builder.CreateTrunc(_initSize, Type::Size, "size");
createCall(EnvFunc::create, {getRuntimeManager().getEnvPtr(), m_args[0], m_arg2, begin, size, m_args[1]});
_gas = m_builder.CreateLoad(m_args[0]); // Return gas
llvm::Value* address = m_builder.CreateLoad(m_args[1]);
createCall(EnvFunc::create, {getRuntimeManager().getEnvPtr(), gas, byPtr(_endowment), begin, size, ret});
_gas = m_builder.CreateLoad(gas); // Return gas
llvm::Value* address = m_builder.CreateLoad(ret);
address = Endianness::toNative(m_builder, address);
return address;
}
llvm::Value* Ext::call(llvm::Value*& _gas, llvm::Value* _receiveAddress, llvm::Value* _value, llvm::Value* _inOff, llvm::Value* _inSize, llvm::Value* _outOff, llvm::Value* _outSize, llvm::Value* _codeAddress)
{
m_builder.CreateStore(_gas, m_args[0]);
auto gas = byPtr(_gas);
auto receiveAddress = Endianness::toBE(m_builder, _receiveAddress);
m_builder.CreateStore(receiveAddress, m_arg2);
m_builder.CreateStore(_value, m_arg3);
auto inBeg = m_memoryMan.getBytePtr(_inOff);
auto inSize = m_builder.CreateTrunc(_inSize, Type::Size, "in.size");
auto outBeg = m_memoryMan.getBytePtr(_outOff);
auto outSize = m_builder.CreateTrunc(_outSize, Type::Size, "out.size");
auto codeAddress = Endianness::toBE(m_builder, _codeAddress);
m_builder.CreateStore(codeAddress, m_arg8);
auto ret = createCall(EnvFunc::call, {getRuntimeManager().getEnvPtr(), m_args[0], m_arg2, m_arg3, inBeg, inSize, outBeg, outSize, m_arg8});
_gas = m_builder.CreateLoad(m_args[0]); // Return gas
auto ret = createCall(EnvFunc::call, {getRuntimeManager().getEnvPtr(), gas, byPtr(receiveAddress), byPtr(_value), inBeg, inSize, outBeg, outSize, byPtr(codeAddress)});
_gas = m_builder.CreateLoad(gas); // Return gas
return m_builder.CreateZExt(ret, Type::Word, "ret");
}
@ -160,8 +148,9 @@ llvm::Value* Ext::sha3(llvm::Value* _inOff, llvm::Value* _inSize)
{
auto begin = m_memoryMan.getBytePtr(_inOff);
auto size = m_builder.CreateTrunc(_inSize, Type::Size, "size");
createCall(EnvFunc::sha3, {begin, size, m_args[1]});
llvm::Value* hash = m_builder.CreateLoad(m_args[1]);
auto ret = getArgAlloca();
createCall(EnvFunc::sha3, {begin, size, ret});
llvm::Value* hash = m_builder.CreateLoad(ret);
hash = Endianness::toNative(m_builder, hash);
return hash;
}
@ -179,7 +168,7 @@ void Ext::log(llvm::Value* _memIdx, llvm::Value* _numBytes, std::array<llvm::Val
{
auto begin = m_memoryMan.getBytePtr(_memIdx);
auto size = m_builder.CreateTrunc(_numBytes, Type::Size, "size");
llvm::Value* args[] = {getRuntimeManager().getEnvPtr(), begin, size, m_arg2, m_arg3, m_arg4, m_arg5};
llvm::Value* args[] = {getRuntimeManager().getEnvPtr(), begin, size, getArgAlloca(), getArgAlloca(), getArgAlloca(), getArgAlloca()};
auto topicArgPtr = &args[3];
for (auto&& topic : _topics)

8
libevmjit/Ext.h
View file

@ -60,14 +60,6 @@ public:
private:
Memory& m_memoryMan;
llvm::Value* m_args[2];
llvm::Value* m_arg2;
llvm::Value* m_arg3;
llvm::Value* m_arg4;
llvm::Value* m_arg5;
llvm::Value* m_arg6;
llvm::Value* m_arg7;
llvm::Value* m_arg8;
llvm::Value* m_size;
llvm::Value* m_data = nullptr;