Paweł Bylica
10 years ago
4 changed files with 497 additions and 229 deletions
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#include "Ext.h" |
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#include <llvm/IR/Function.h> |
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#include <llvm/IR/TypeBuilder.h> |
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#include <llvm/IR/IntrinsicInst.h> |
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//#include <libdevcrypto/SHA3.h>
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//#include <libevm/FeeStructure.h>
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#include "Runtime.h" |
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#include "Type.h" |
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#include "Endianness.h" |
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namespace dev |
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{ |
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namespace eth |
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{ |
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namespace jit |
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{ |
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// TODO: Copy of fromAddress in VM.h
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inline u256 fromAddress(Address _a) |
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{ |
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return (u160)_a; |
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} |
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Ext::Ext(RuntimeManager& _runtimeManager): |
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RuntimeHelper(_runtimeManager), |
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m_data() |
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{ |
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auto&& ctx = m_builder.getContext(); |
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auto module = getModule(); |
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auto i256Ty = m_builder.getIntNTy(256); |
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m_args[0] = m_builder.CreateAlloca(i256Ty, nullptr, "ext.index"); |
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m_args[1] = m_builder.CreateAlloca(i256Ty, nullptr, "ext.value"); |
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m_arg2 = m_builder.CreateAlloca(i256Ty, nullptr, "ext.arg2"); |
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m_arg3 = m_builder.CreateAlloca(i256Ty, nullptr, "ext.arg3"); |
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m_arg4 = m_builder.CreateAlloca(i256Ty, nullptr, "ext.arg4"); |
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m_arg5 = m_builder.CreateAlloca(i256Ty, nullptr, "ext.arg5"); |
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m_arg6 = m_builder.CreateAlloca(i256Ty, nullptr, "ext.arg6"); |
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m_arg7 = m_builder.CreateAlloca(i256Ty, nullptr, "ext.arg7"); |
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m_arg8 = m_builder.CreateAlloca(i256Ty, nullptr, "ext.arg8"); |
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using Linkage = llvm::GlobalValue::LinkageTypes; |
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llvm::Type* argsTypes[] = {Type::RuntimePtr, Type::WordPtr, Type::WordPtr, Type::WordPtr, Type::WordPtr, Type::WordPtr, Type::WordPtr, Type::WordPtr, Type::WordPtr, Type::WordPtr}; |
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m_store = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 3}, false), Linkage::ExternalLinkage, "ext_store", module); |
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m_setStore = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 3}, false), Linkage::ExternalLinkage, "ext_setStore", module); |
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m_calldataload = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 3}, false), Linkage::ExternalLinkage, "ext_calldataload", module); |
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m_balance = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 3}, false), Linkage::ExternalLinkage, "ext_balance", module); |
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m_suicide = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 2}, false), Linkage::ExternalLinkage, "ext_suicide", module); |
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m_create = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 5}, false), Linkage::ExternalLinkage, "ext_create", module); |
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m_call = llvm::Function::Create(llvm::FunctionType::get(Type::Void, argsTypes, false), Linkage::ExternalLinkage, "ext_call", module); |
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m_sha3 = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 4}, false), Linkage::ExternalLinkage, "ext_sha3", module); |
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m_exp = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 4}, false), Linkage::ExternalLinkage, "ext_exp", module); |
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m_codeAt = llvm::Function::Create(llvm::FunctionType::get(Type::BytePtr, {argsTypes, 2}, false), Linkage::ExternalLinkage, "ext_codeAt", module); |
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m_codesizeAt = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 3}, false), Linkage::ExternalLinkage, "ext_codesizeAt", module); |
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m_log0 = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 3}, false), Linkage::ExternalLinkage, "ext_log0", module); |
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m_log1 = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 4}, false), Linkage::ExternalLinkage, "ext_log1", module); |
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m_log2 = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 5}, false), Linkage::ExternalLinkage, "ext_log2", module); |
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m_log3 = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 6}, false), Linkage::ExternalLinkage, "ext_log3", module); |
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m_log4 = llvm::Function::Create(llvm::FunctionType::get(Type::Void, {argsTypes, 7}, false), Linkage::ExternalLinkage, "ext_log4", module); |
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} |
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llvm::Value* Ext::store(llvm::Value* _index) |
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{ |
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m_builder.CreateStore(_index, m_args[0]); |
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m_builder.CreateCall3(m_store, getRuntimeManager().getRuntimePtr(), m_args[0], m_args[1]); // Uses native endianness
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return m_builder.CreateLoad(m_args[1]); |
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} |
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void Ext::setStore(llvm::Value* _index, llvm::Value* _value) |
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{ |
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m_builder.CreateStore(_index, m_args[0]); |
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m_builder.CreateStore(_value, m_args[1]); |
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m_builder.CreateCall3(m_setStore, getRuntimeManager().getRuntimePtr(), m_args[0], m_args[1]); // Uses native endianness
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} |
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llvm::Value* Ext::calldataload(llvm::Value* _index) |
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{ |
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m_builder.CreateStore(_index, m_args[0]); |
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m_builder.CreateCall3(m_calldataload, getRuntimeManager().getRuntimePtr(), m_args[0], m_args[1]); |
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auto ret = m_builder.CreateLoad(m_args[1]); |
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return Endianness::toNative(m_builder, ret); |
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} |
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llvm::Value* Ext::balance(llvm::Value* _address) |
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{ |
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auto address = Endianness::toBE(m_builder, _address); |
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m_builder.CreateStore(address, m_args[0]); |
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m_builder.CreateCall3(m_balance, getRuntimeManager().getRuntimePtr(), m_args[0], m_args[1]); |
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return m_builder.CreateLoad(m_args[1]); |
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} |
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void Ext::suicide(llvm::Value* _address) |
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{ |
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auto address = Endianness::toBE(m_builder, _address); |
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m_builder.CreateStore(address, m_args[0]); |
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m_builder.CreateCall2(m_suicide, getRuntimeManager().getRuntimePtr(), m_args[0]); |
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} |
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llvm::Value* Ext::create(llvm::Value* _endowment, llvm::Value* _initOff, llvm::Value* _initSize) |
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{ |
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m_builder.CreateStore(_endowment, m_args[0]); |
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m_builder.CreateStore(_initOff, m_arg2); |
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m_builder.CreateStore(_initSize, m_arg3); |
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createCall(m_create, getRuntimeManager().getRuntimePtr(), m_args[0], m_arg2, m_arg3, m_args[1]); |
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llvm::Value* address = m_builder.CreateLoad(m_args[1]); |
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address = Endianness::toNative(m_builder, address); |
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return address; |
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} |
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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) |
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{ |
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m_builder.CreateStore(_gas, m_args[0]); |
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auto receiveAddress = Endianness::toBE(m_builder, _receiveAddress); |
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m_builder.CreateStore(receiveAddress, m_arg2); |
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m_builder.CreateStore(_value, m_arg3); |
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m_builder.CreateStore(_inOff, m_arg4); |
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m_builder.CreateStore(_inSize, m_arg5); |
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m_builder.CreateStore(_outOff, m_arg6); |
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m_builder.CreateStore(_outSize, m_arg7); |
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auto codeAddress = Endianness::toBE(m_builder, _codeAddress); |
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m_builder.CreateStore(codeAddress, m_arg8); |
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createCall(m_call, getRuntimeManager().getRuntimePtr(), m_args[0], m_arg2, m_arg3, m_arg4, m_arg5, m_arg6, m_arg7, m_arg8, m_args[1]); |
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_gas = m_builder.CreateLoad(m_args[0]); // Return gas
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return m_builder.CreateLoad(m_args[1]); |
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} |
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llvm::Value* Ext::sha3(llvm::Value* _inOff, llvm::Value* _inSize) |
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{ |
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m_builder.CreateStore(_inOff, m_args[0]); |
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m_builder.CreateStore(_inSize, m_arg2); |
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createCall(m_sha3, getRuntimeManager().getRuntimePtr(), m_args[0], m_arg2, m_args[1]); |
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llvm::Value* hash = m_builder.CreateLoad(m_args[1]); |
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hash = Endianness::toNative(m_builder, hash); |
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return hash; |
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} |
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llvm::Value* Ext::exp(llvm::Value* _left, llvm::Value* _right) |
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{ |
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// TODO: Move ext to Arith256
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m_builder.CreateStore(_left, m_args[0]); |
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m_builder.CreateStore(_right, m_arg2); |
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createCall(m_exp, getRuntimeManager().getRuntimePtr(), m_args[0], m_arg2, m_args[1]); |
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return m_builder.CreateLoad(m_args[1]); |
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} |
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llvm::Value* Ext::codeAt(llvm::Value* _addr) |
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{ |
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auto addr = Endianness::toBE(m_builder, _addr); |
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m_builder.CreateStore(addr, m_args[0]); |
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return m_builder.CreateCall2(m_codeAt, getRuntimeManager().getRuntimePtr(), m_args[0]); |
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} |
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llvm::Value* Ext::codesizeAt(llvm::Value* _addr) |
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{ |
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auto addr = Endianness::toBE(m_builder, _addr); |
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m_builder.CreateStore(addr, m_args[0]); |
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createCall(m_codesizeAt, getRuntimeManager().getRuntimePtr(), m_args[0], m_args[1]); |
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return m_builder.CreateLoad(m_args[1]); |
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} |
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void Ext::log(llvm::Value* _memIdx, llvm::Value* _numBytes, size_t _numTopics, std::array<llvm::Value*,4> const& _topics) |
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{ |
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llvm::Value* args[] = {nullptr, m_args[0], m_args[1], m_arg2, m_arg3, m_arg4, m_arg5}; |
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llvm::Value* funcs[] = {m_log0, m_log1, m_log2, m_log3, m_log4}; |
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args[0] = getRuntimeManager().getRuntimePtr(); |
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m_builder.CreateStore(_memIdx, m_args[0]); |
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m_builder.CreateStore(_numBytes, m_args[1]); |
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for (size_t i = 0; i < _numTopics; ++i) |
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m_builder.CreateStore(_topics[i], args[i + 3]); |
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m_builder.CreateCall(funcs[_numTopics], llvm::ArrayRef<llvm::Value*>(args, _numTopics + 3)); |
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} |
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} |
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extern "C" |
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{ |
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using namespace dev::eth::jit; |
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EXPORT void ext_store(Runtime* _rt, i256* _index, i256* o_value) |
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{ |
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auto index = llvm2eth(*_index); |
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auto value = _rt->getExt().store(index); // Interface uses native endianness
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*o_value = eth2llvm(value); |
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} |
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EXPORT void ext_setStore(Runtime* _rt, i256* _index, i256* _value) |
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{ |
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auto index = llvm2eth(*_index); |
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auto value = llvm2eth(*_value); |
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auto& ext = _rt->getExt(); |
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if (value == 0 && ext.store(index) != 0) // If delete
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ext.sub.refunds += c_sstoreRefundGas; // Increase refund counter
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ext.setStore(index, value); // Interface uses native endianness
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} |
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EXPORT void ext_calldataload(Runtime* _rt, i256* _index, i256* o_value) |
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{ |
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auto index = static_cast<size_t>(llvm2eth(*_index)); |
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assert(index + 31 > index); // TODO: Handle large index
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auto b = reinterpret_cast<byte*>(o_value); |
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for (size_t i = index, j = 0; i <= index + 31; ++i, ++j) |
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b[j] = i < _rt->getExt().data.size() ? _rt->getExt().data[i] : 0; // Keep Big Endian
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// TODO: It all can be done by adding padding to data or by using min() algorithm without branch
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} |
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EXPORT void ext_balance(Runtime* _rt, h256* _address, i256* o_value) |
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{ |
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auto u = _rt->getExt().balance(right160(*_address)); |
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*o_value = eth2llvm(u); |
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} |
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EXPORT void ext_suicide(Runtime* _rt, h256 const* _address) |
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{ |
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_rt->getExt().suicide(right160(*_address)); |
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} |
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EXPORT void ext_create(Runtime* _rt, i256* _endowment, i256* _initOff, i256* _initSize, h256* o_address) |
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{ |
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auto&& ext = _rt->getExt(); |
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auto endowment = llvm2eth(*_endowment); |
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if (ext.balance(ext.myAddress) >= endowment) |
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{ |
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ext.subBalance(endowment); |
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u256 gas; // TODO: Handle gas
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auto initOff = static_cast<size_t>(llvm2eth(*_initOff)); |
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auto initSize = static_cast<size_t>(llvm2eth(*_initSize)); |
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auto&& initRef = bytesConstRef(_rt->getMemory().data() + initOff, initSize); |
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OnOpFunc onOp {}; // TODO: Handle that thing
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h256 address(ext.create(endowment, &gas, initRef, onOp), h256::AlignRight); |
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*o_address = address; |
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} |
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else |
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*o_address = {}; |
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} |
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EXPORT void ext_call(Runtime* _rt, i256* io_gas, h256* _receiveAddress, i256* _value, i256* _inOff, i256* _inSize, i256* _outOff, i256* _outSize, h256* _codeAddress, i256* o_ret) |
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{ |
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auto&& ext = _rt->getExt(); |
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auto value = llvm2eth(*_value); |
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auto ret = false; |
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auto gas = llvm2eth(*io_gas); |
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if (ext.balance(ext.myAddress) >= value) |
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{ |
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ext.subBalance(value); |
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auto receiveAddress = right160(*_receiveAddress); |
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auto inOff = static_cast<size_t>(llvm2eth(*_inOff)); |
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auto inSize = static_cast<size_t>(llvm2eth(*_inSize)); |
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auto outOff = static_cast<size_t>(llvm2eth(*_outOff)); |
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auto outSize = static_cast<size_t>(llvm2eth(*_outSize)); |
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auto&& inRef = bytesConstRef(_rt->getMemory().data() + inOff, inSize); |
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auto&& outRef = bytesConstRef(_rt->getMemory().data() + outOff, outSize); |
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OnOpFunc onOp {}; // TODO: Handle that thing
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auto codeAddress = right160(*_codeAddress); |
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ret = ext.call(receiveAddress, value, inRef, &gas, outRef, onOp, {}, codeAddress); |
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} |
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*io_gas = eth2llvm(gas); |
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o_ret->a = ret ? 1 : 0; |
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} |
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EXPORT void ext_sha3(Runtime* _rt, i256* _inOff, i256* _inSize, i256* o_ret) |
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{ |
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auto inOff = static_cast<size_t>(llvm2eth(*_inOff)); |
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auto inSize = static_cast<size_t>(llvm2eth(*_inSize)); |
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auto dataRef = bytesConstRef(_rt->getMemory().data() + inOff, inSize); |
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auto hash = sha3(dataRef); |
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*o_ret = *reinterpret_cast<i256*>(&hash); |
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} |
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EXPORT void ext_exp(Runtime*, i256* _left, i256* _right, i256* o_ret) |
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{ |
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bigint left = llvm2eth(*_left); |
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bigint right = llvm2eth(*_right); |
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auto ret = static_cast<u256>(boost::multiprecision::powm(left, right, bigint(2) << 256)); |
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*o_ret = eth2llvm(ret); |
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} |
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EXPORT unsigned char* ext_codeAt(Runtime* _rt, h256* _addr256) |
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{ |
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auto&& ext = _rt->getExt(); |
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auto addr = right160(*_addr256); |
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auto& code = ext.codeAt(addr); |
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return const_cast<unsigned char*>(code.data()); |
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} |
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EXPORT void ext_codesizeAt(Runtime* _rt, h256* _addr256, i256* o_ret) |
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{ |
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auto&& ext = _rt->getExt(); |
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auto addr = right160(*_addr256); |
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auto& code = ext.codeAt(addr); |
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*o_ret = eth2llvm(u256(code.size())); |
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} |
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void ext_show_bytes(bytesConstRef _bytes) |
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{ |
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for (auto b : _bytes) |
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std::cerr << std::hex << std::setw(2) << std::setfill('0') << static_cast<unsigned>(b) << " "; |
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std::cerr << std::endl; |
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} |
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EXPORT void ext_log0(Runtime* _rt, i256* _memIdx, i256* _numBytes) |
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{ |
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auto&& ext = _rt->getExt(); |
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auto memIdx = llvm2eth(*_memIdx).convert_to<size_t>(); |
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auto numBytes = llvm2eth(*_numBytes).convert_to<size_t>(); |
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auto dataRef = bytesConstRef(_rt->getMemory().data() + memIdx, numBytes); |
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ext.log({}, dataRef); |
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if (_rt->outputLogs()) |
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{ |
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std::cerr << "LOG: "; |
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ext_show_bytes(dataRef); |
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} |
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} |
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EXPORT void ext_log1(Runtime* _rt, i256* _memIdx, i256* _numBytes, i256* _topic1) |
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{ |
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auto&& ext = _rt->getExt(); |
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auto memIdx = static_cast<size_t>(llvm2eth(*_memIdx)); |
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auto numBytes = static_cast<size_t>(llvm2eth(*_numBytes)); |
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auto topic1 = llvm2eth(*_topic1); |
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auto dataRef = bytesConstRef(_rt->getMemory().data() + memIdx, numBytes); |
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ext.log({topic1}, dataRef); |
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if (_rt->outputLogs()) |
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{ |
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std::cerr << "LOG [" << topic1 << "]: "; |
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ext_show_bytes(dataRef); |
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} |
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} |
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EXPORT void ext_log2(Runtime* _rt, i256* _memIdx, i256* _numBytes, i256* _topic1, i256* _topic2) |
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{ |
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auto&& ext = _rt->getExt(); |
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auto memIdx = static_cast<size_t>(llvm2eth(*_memIdx)); |
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auto numBytes = static_cast<size_t>(llvm2eth(*_numBytes)); |
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auto topic1 = llvm2eth(*_topic1); |
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auto topic2 = llvm2eth(*_topic2); |
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auto dataRef = bytesConstRef(_rt->getMemory().data() + memIdx, numBytes); |
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ext.log({topic1, topic2}, dataRef); |
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if (_rt->outputLogs()) |
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{ |
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std::cerr << "LOG [" << topic1 << "][" << topic2 << "]: "; |
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ext_show_bytes(dataRef); |
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} |
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} |
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EXPORT void ext_log3(Runtime* _rt, i256* _memIdx, i256* _numBytes, i256* _topic1, i256* _topic2, i256* _topic3) |
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{ |
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auto&& ext = _rt->getExt(); |
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auto memIdx = static_cast<size_t>(llvm2eth(*_memIdx)); |
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auto numBytes = static_cast<size_t>(llvm2eth(*_numBytes)); |
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auto topic1 = llvm2eth(*_topic1); |
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auto topic2 = llvm2eth(*_topic2); |
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auto topic3 = llvm2eth(*_topic3); |
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auto dataRef = bytesConstRef(_rt->getMemory().data() + memIdx, numBytes); |
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ext.log({topic1, topic2, topic3}, dataRef); |
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if (_rt->outputLogs()) |
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{ |
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std::cerr << "LOG [" << topic1 << "][" << topic2 << "][" << topic3 << "]: "; |
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ext_show_bytes(dataRef); |
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} |
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} |
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EXPORT void ext_log4(Runtime* _rt, i256* _memIdx, i256* _numBytes, i256* _topic1, i256* _topic2, i256* _topic3, i256* _topic4) |
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{ |
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auto&& ext = _rt->getExt(); |
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auto memIdx = static_cast<size_t>(llvm2eth(*_memIdx)); |
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auto numBytes = static_cast<size_t>(llvm2eth(*_numBytes)); |
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auto topic1 = llvm2eth(*_topic1); |
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auto topic2 = llvm2eth(*_topic2); |
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auto topic3 = llvm2eth(*_topic3); |
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auto topic4 = llvm2eth(*_topic4); |
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auto dataRef = bytesConstRef(_rt->getMemory().data() + memIdx, numBytes); |
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ext.log({topic1, topic2, topic3, topic4}, dataRef); |
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if (_rt->outputLogs()) |
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{ |
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std::cerr << "LOG [" << topic1 << "][" << topic2 << "][" << topic3 << "][" << topic4 << "]: "; |
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ext_show_bytes(dataRef); |
|||
} |
|||
} |
|||
} |
|||
} |
|||
} |
|||
|
|||
@ -0,0 +1,68 @@ |
|||
|
|||
#pragma once |
|||
|
|||
#include <array> |
|||
#include "CompilerHelper.h" |
|||
|
|||
namespace dev |
|||
{ |
|||
namespace eth |
|||
{ |
|||
namespace jit |
|||
{ |
|||
|
|||
class Ext : public RuntimeHelper |
|||
{ |
|||
public: |
|||
Ext(RuntimeManager& _runtimeManager); |
|||
|
|||
llvm::Value* store(llvm::Value* _index); |
|||
void setStore(llvm::Value* _index, llvm::Value* _value); |
|||
|
|||
llvm::Value* balance(llvm::Value* _address); |
|||
void suicide(llvm::Value* _address); |
|||
llvm::Value* calldataload(llvm::Value* _index); |
|||
llvm::Value* create(llvm::Value* _endowment, llvm::Value* _initOff, llvm::Value* _initSize); |
|||
llvm::Value* 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); |
|||
|
|||
llvm::Value* sha3(llvm::Value* _inOff, llvm::Value* _inSize); |
|||
llvm::Value* exp(llvm::Value* _left, llvm::Value* _right); |
|||
llvm::Value* codeAt(llvm::Value* _addr); |
|||
llvm::Value* codesizeAt(llvm::Value* _addr); |
|||
|
|||
void log(llvm::Value* _memIdx, llvm::Value* _numBytes, size_t _numTopics, std::array<llvm::Value*,4> const& _topics); |
|||
|
|||
private: |
|||
|
|||
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_data; |
|||
llvm::Function* m_store; |
|||
llvm::Function* m_setStore; |
|||
llvm::Function* m_calldataload; |
|||
llvm::Function* m_balance; |
|||
llvm::Function* m_suicide; |
|||
llvm::Function* m_create; |
|||
llvm::Function* m_call; |
|||
llvm::Function* m_sha3; |
|||
llvm::Function* m_exp; |
|||
llvm::Function* m_codeAt; |
|||
llvm::Function* m_codesizeAt; |
|||
llvm::Function* m_log0; |
|||
llvm::Function* m_log1; |
|||
llvm::Function* m_log2; |
|||
llvm::Function* m_log3; |
|||
llvm::Function* m_log4; |
|||
}; |
|||
|
|||
|
|||
} |
|||
} |
|||
} |
|||
|
|||
Loading…
Reference in new issue