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Merge pull request #471 from winsvega/libevmcore

Browse Source 
move libevmcore to solidity
This commit is contained in:
winsvega 2016-04-06 14:54:18 +04:00
commit 737623cd0c
31 changed files with 1348 additions and 724 deletions
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12
libevmasm/Assembly.h
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@ -26,7 +26,7 @@
#include <libdevcore/Common.h>
#include <libdevcore/Assertions.h>
#include <libdevcore/SHA3.h>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include <libevmasm/SourceLocation.h>
#include <libevmasm/AssemblyItem.h>
#include <libevmasm/LinkerObject.h>
@ -69,10 +69,10 @@ public:
void appendProgramSize() { append(AssemblyItem(PushProgramSize)); }
void appendLibraryAddress(std::string const& _identifier) { append(newPushLibraryAddress(_identifier)); }
AssemblyItem appendJump() { auto ret = append(newPushTag()); append(Instruction::JUMP); return ret; }
AssemblyItem appendJumpI() { auto ret = append(newPushTag()); append(Instruction::JUMPI); return ret; }
AssemblyItem appendJump(AssemblyItem const& _tag) { auto ret = append(_tag.pushTag()); append(Instruction::JUMP); return ret; }
AssemblyItem appendJumpI(AssemblyItem const& _tag) { auto ret = append(_tag.pushTag()); append(Instruction::JUMPI); return ret; }
AssemblyItem appendJump() { auto ret = append(newPushTag()); append(solidity::Instruction::JUMP); return ret; }
AssemblyItem appendJumpI() { auto ret = append(newPushTag()); append(solidity::Instruction::JUMPI); return ret; }
AssemblyItem appendJump(AssemblyItem const& _tag) { auto ret = append(_tag.pushTag()); append(solidity::Instruction::JUMP); return ret; }
AssemblyItem appendJumpI(AssemblyItem const& _tag) { auto ret = append(_tag.pushTag()); append(solidity::Instruction::JUMPI); return ret; }
AssemblyItem errorTag() { return AssemblyItem(PushTag, 0); }
template <class T> Assembly& operator<<(T const& _d) { append(_d); return *this; }
@ -86,7 +86,7 @@ public:
void ignored() { m_baseDeposit = m_deposit; }
void endIgnored() { m_deposit = m_baseDeposit; m_baseDeposit = 0; }
void popTo(int _deposit) { while (m_deposit > _deposit) append(Instruction::POP); }
void popTo(int _deposit) { while (m_deposit > _deposit) append(solidity::Instruction::POP); }
void injectStart(AssemblyItem const& _i);
std::string out() const;

2
libevmasm/AssemblyItem.cpp
View File

@ -94,7 +94,7 @@ ostream& dev::eth::operator<<(ostream& _out, AssemblyItem const& _item)
{
case Operation:
_out << " " << instructionInfo(_item.instruction()).name;
if (_item.instruction() == eth::Instruction::JUMP || _item.instruction() == eth::Instruction::JUMPI)
if (_item.instruction() == solidity::Instruction::JUMP || _item.instruction() == solidity::Instruction::JUMPI)
_out << "\t" << _item.getJumpTypeAsString();
break;
case Push:

5
libevmasm/AssemblyItem.h
View File

@ -25,9 +25,10 @@
#include <sstream>
#include <libdevcore/Common.h>
#include <libdevcore/Assertions.h>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include <libevmasm/SourceLocation.h>
#include "Exceptions.h"
using namespace dev::solidity;
namespace dev
{
@ -57,7 +58,7 @@ public:
AssemblyItem(u256 _push, SourceLocation const& _location = SourceLocation()):
AssemblyItem(Push, _push, _location) { }
AssemblyItem(Instruction _i, SourceLocation const& _location = SourceLocation()):
AssemblyItem(solidity::Instruction _i, SourceLocation const& _location = SourceLocation()):
AssemblyItem(Operation, byte(_i), _location) { }
AssemblyItem(AssemblyItemType _type, u256 _data = 0, SourceLocation const& _location = SourceLocation()):
m_type(_type),

2
libevmasm/BlockDeduplicator.cpp
View File

@ -106,7 +106,7 @@ BlockDeduplicator::BlockIterator& BlockDeduplicator::BlockIterator::operator++()
{
if (it == end)
return *this;
if (SemanticInformation::altersControlFlow(*it) && *it != AssemblyItem(eth::Instruction::JUMPI))
if (SemanticInformation::altersControlFlow(*it) && *it != AssemblyItem(Instruction::JUMPI))
it = end;
else
{

2
libevmasm/CMakeLists.txt
View File

@ -8,7 +8,7 @@ file(GLOB HEADERS "*.h")
include_directories(BEFORE ..)
add_library(${EXECUTABLE} ${SRC_LIST} ${HEADERS})
eth_use(${EXECUTABLE} REQUIRED Eth::evmcore)
eth_use(${EXECUTABLE} REQUIRED Dev::devcore Eth::ethcore)
install( TARGETS ${EXECUTABLE} RUNTIME DESTINATION bin ARCHIVE DESTINATION lib LIBRARY DESTINATION lib )
install( FILES ${HEADERS} DESTINATION include/${EXECUTABLE} )

6
libevmasm/GasMeter.cpp
View File

@ -84,13 +84,13 @@ GasMeter::GasConsumption GasMeter::estimateMax(AssemblyItem const& _item)
break;
case Instruction::MLOAD:
case Instruction::MSTORE:
gas += memoryGas(classes.find(eth::Instruction::ADD, {
gas += memoryGas(classes.find(Instruction::ADD, {
m_state->relativeStackElement(0),
classes.find(AssemblyItem(32))
}));
break;
case Instruction::MSTORE8:
gas += memoryGas(classes.find(eth::Instruction::ADD, {
gas += memoryGas(classes.find(Instruction::ADD, {
m_state->relativeStackElement(0),
classes.find(AssemblyItem(1))
}));
@ -198,7 +198,7 @@ GasMeter::GasConsumption GasMeter::memoryGas(int _stackPosOffset, int _stackPosS
if (classes.knownZero(m_state->relativeStackElement(_stackPosSize)))
return GasConsumption(0);
else
return memoryGas(classes.find(eth::Instruction::ADD, {
return memoryGas(classes.find(Instruction::ADD, {
m_state->relativeStackElement(_stackPosOffset),
m_state->relativeStackElement(_stackPosSize)
}));

354
libevmasm/Instruction.cpp Normal file
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@ -0,0 +1,354 @@
/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file Instruction.cpp
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#include "./Instruction.h"
#include <functional>
#include <libdevcore/Common.h>
#include <libdevcore/CommonIO.h>
#include <libdevcore/Log.h>
using namespace std;
using namespace dev;
using namespace dev::solidity;
const std::map<std::string, Instruction> dev::solidity::c_instructions =
{
{ "STOP", Instruction::STOP },
{ "ADD", Instruction::ADD },
{ "SUB", Instruction::SUB },
{ "MUL", Instruction::MUL },
{ "DIV", Instruction::DIV },
{ "SDIV", Instruction::SDIV },
{ "MOD", Instruction::MOD },
{ "SMOD", Instruction::SMOD },
{ "EXP", Instruction::EXP },
{ "BNOT", Instruction::NOT },
{ "LT", Instruction::LT },
{ "GT", Instruction::GT },
{ "SLT", Instruction::SLT },
{ "SGT", Instruction::SGT },
{ "EQ", Instruction::EQ },
{ "NOT", Instruction::ISZERO },
{ "AND", Instruction::AND },
{ "OR", Instruction::OR },
{ "XOR", Instruction::XOR },
{ "BYTE", Instruction::BYTE },
{ "ADDMOD", Instruction::ADDMOD },
{ "MULMOD", Instruction::MULMOD },
{ "SIGNEXTEND", Instruction::SIGNEXTEND },
{ "SHA3", Instruction::SHA3 },
{ "ADDRESS", Instruction::ADDRESS },
{ "BALANCE", Instruction::BALANCE },
{ "ORIGIN", Instruction::ORIGIN },
{ "CALLER", Instruction::CALLER },
{ "CALLVALUE", Instruction::CALLVALUE },
{ "CALLDATALOAD", Instruction::CALLDATALOAD },
{ "CALLDATASIZE", Instruction::CALLDATASIZE },
{ "CALLDATACOPY", Instruction::CALLDATACOPY },
{ "CODESIZE", Instruction::CODESIZE },
{ "CODECOPY", Instruction::CODECOPY },
{ "GASPRICE", Instruction::GASPRICE },
{ "EXTCODESIZE", Instruction::EXTCODESIZE },
{ "EXTCODECOPY", Instruction::EXTCODECOPY },
{ "BLOCKHASH", Instruction::BLOCKHASH },
{ "COINBASE", Instruction::COINBASE },
{ "TIMESTAMP", Instruction::TIMESTAMP },
{ "NUMBER", Instruction::NUMBER },
{ "DIFFICULTY", Instruction::DIFFICULTY },
{ "GASLIMIT", Instruction::GASLIMIT },
{ "POP", Instruction::POP },
{ "MLOAD", Instruction::MLOAD },
{ "MSTORE", Instruction::MSTORE },
{ "MSTORE8", Instruction::MSTORE8 },
{ "SLOAD", Instruction::SLOAD },
{ "SSTORE", Instruction::SSTORE },
{ "JUMP", Instruction::JUMP },
{ "JUMPI", Instruction::JUMPI },
{ "PC", Instruction::PC },
{ "MSIZE", Instruction::MSIZE },
{ "GAS", Instruction::GAS },
{ "JUMPDEST", Instruction::JUMPDEST },
{ "PUSH1", Instruction::PUSH1 },
{ "PUSH2", Instruction::PUSH2 },
{ "PUSH3", Instruction::PUSH3 },
{ "PUSH4", Instruction::PUSH4 },
{ "PUSH5", Instruction::PUSH5 },
{ "PUSH6", Instruction::PUSH6 },
{ "PUSH7", Instruction::PUSH7 },
{ "PUSH8", Instruction::PUSH8 },
{ "PUSH9", Instruction::PUSH9 },
{ "PUSH10", Instruction::PUSH10 },
{ "PUSH11", Instruction::PUSH11 },
{ "PUSH12", Instruction::PUSH12 },
{ "PUSH13", Instruction::PUSH13 },
{ "PUSH14", Instruction::PUSH14 },
{ "PUSH15", Instruction::PUSH15 },
{ "PUSH16", Instruction::PUSH16 },
{ "PUSH17", Instruction::PUSH17 },
{ "PUSH18", Instruction::PUSH18 },
{ "PUSH19", Instruction::PUSH19 },
{ "PUSH20", Instruction::PUSH20 },
{ "PUSH21", Instruction::PUSH21 },
{ "PUSH22", Instruction::PUSH22 },
{ "PUSH23", Instruction::PUSH23 },
{ "PUSH24", Instruction::PUSH24 },
{ "PUSH25", Instruction::PUSH25 },
{ "PUSH26", Instruction::PUSH26 },
{ "PUSH27", Instruction::PUSH27 },
{ "PUSH28", Instruction::PUSH28 },
{ "PUSH29", Instruction::PUSH29 },
{ "PUSH30", Instruction::PUSH30 },
{ "PUSH31", Instruction::PUSH31 },
{ "PUSH32", Instruction::PUSH32 },
{ "DUP1", Instruction::DUP1 },
{ "DUP2", Instruction::DUP2 },
{ "DUP3", Instruction::DUP3 },
{ "DUP4", Instruction::DUP4 },
{ "DUP5", Instruction::DUP5 },
{ "DUP6", Instruction::DUP6 },
{ "DUP7", Instruction::DUP7 },
{ "DUP8", Instruction::DUP8 },
{ "DUP9", Instruction::DUP9 },
{ "DUP10", Instruction::DUP10 },
{ "DUP11", Instruction::DUP11 },
{ "DUP12", Instruction::DUP12 },
{ "DUP13", Instruction::DUP13 },
{ "DUP14", Instruction::DUP14 },
{ "DUP15", Instruction::DUP15 },
{ "DUP16", Instruction::DUP16 },
{ "SWAP1", Instruction::SWAP1 },
{ "SWAP2", Instruction::SWAP2 },
{ "SWAP3", Instruction::SWAP3 },
{ "SWAP4", Instruction::SWAP4 },
{ "SWAP5", Instruction::SWAP5 },
{ "SWAP6", Instruction::SWAP6 },
{ "SWAP7", Instruction::SWAP7 },
{ "SWAP8", Instruction::SWAP8 },
{ "SWAP9", Instruction::SWAP9 },
{ "SWAP10", Instruction::SWAP10 },
{ "SWAP11", Instruction::SWAP11 },
{ "SWAP12", Instruction::SWAP12 },
{ "SWAP13", Instruction::SWAP13 },
{ "SWAP14", Instruction::SWAP14 },
{ "SWAP15", Instruction::SWAP15 },
{ "SWAP16", Instruction::SWAP16 },
{ "LOG0", Instruction::LOG0 },
{ "LOG1", Instruction::LOG1 },
{ "LOG2", Instruction::LOG2 },
{ "LOG3", Instruction::LOG3 },
{ "LOG4", Instruction::LOG4 },
{ "CREATE", Instruction::CREATE },
{ "CALL", Instruction::CALL },
{ "CALLCODE", Instruction::CALLCODE },
{ "RETURN", Instruction::RETURN },
{ "DELEGATECALL", Instruction::DELEGATECALL },
{ "SUICIDE", Instruction::SUICIDE }
};
static const std::map<Instruction, InstructionInfo> c_instructionInfo =
{ // Add, Args, Ret, SideEffects, GasPriceTier
{ Instruction::STOP, { "STOP", 0, 0, 0, true, ZeroTier } },
{ Instruction::ADD, { "ADD", 0, 2, 1, false, VeryLowTier } },
{ Instruction::SUB, { "SUB", 0, 2, 1, false, VeryLowTier } },
{ Instruction::MUL, { "MUL", 0, 2, 1, false, LowTier } },
{ Instruction::DIV, { "DIV", 0, 2, 1, false, LowTier } },
{ Instruction::SDIV, { "SDIV", 0, 2, 1, false, LowTier } },
{ Instruction::MOD, { "MOD", 0, 2, 1, false, LowTier } },
{ Instruction::SMOD, { "SMOD", 0, 2, 1, false, LowTier } },
{ Instruction::EXP, { "EXP", 0, 2, 1, false, SpecialTier } },
{ Instruction::NOT, { "NOT", 0, 1, 1, false, VeryLowTier } },
{ Instruction::LT, { "LT", 0, 2, 1, false, VeryLowTier } },
{ Instruction::GT, { "GT", 0, 2, 1, false, VeryLowTier } },
{ Instruction::SLT, { "SLT", 0, 2, 1, false, VeryLowTier } },
{ Instruction::SGT, { "SGT", 0, 2, 1, false, VeryLowTier } },
{ Instruction::EQ, { "EQ", 0, 2, 1, false, VeryLowTier } },
{ Instruction::ISZERO, { "ISZERO", 0, 1, 1, false, VeryLowTier } },
{ Instruction::AND, { "AND", 0, 2, 1, false, VeryLowTier } },
{ Instruction::OR, { "OR", 0, 2, 1, false, VeryLowTier } },
{ Instruction::XOR, { "XOR", 0, 2, 1, false, VeryLowTier } },
{ Instruction::BYTE, { "BYTE", 0, 2, 1, false, VeryLowTier } },
{ Instruction::ADDMOD, { "ADDMOD", 0, 3, 1, false, MidTier } },
{ Instruction::MULMOD, { "MULMOD", 0, 3, 1, false, MidTier } },
{ Instruction::SIGNEXTEND, { "SIGNEXTEND", 0, 2, 1, false, LowTier } },
{ Instruction::SHA3, { "SHA3", 0, 2, 1, false, SpecialTier } },
{ Instruction::ADDRESS, { "ADDRESS", 0, 0, 1, false, BaseTier } },
{ Instruction::BALANCE, { "BALANCE", 0, 1, 1, false, ExtTier } },
{ Instruction::ORIGIN, { "ORIGIN", 0, 0, 1, false, BaseTier } },
{ Instruction::CALLER, { "CALLER", 0, 0, 1, false, BaseTier } },
{ Instruction::CALLVALUE, { "CALLVALUE", 0, 0, 1, false, BaseTier } },
{ Instruction::CALLDATALOAD,{ "CALLDATALOAD", 0, 1, 1, false, VeryLowTier } },
{ Instruction::CALLDATASIZE,{ "CALLDATASIZE", 0, 0, 1, false, BaseTier } },
{ Instruction::CALLDATACOPY,{ "CALLDATACOPY", 0, 3, 0, true, VeryLowTier } },
{ Instruction::CODESIZE, { "CODESIZE", 0, 0, 1, false, BaseTier } },
{ Instruction::CODECOPY, { "CODECOPY", 0, 3, 0, true, VeryLowTier } },
{ Instruction::GASPRICE, { "GASPRICE", 0, 0, 1, false, BaseTier } },
{ Instruction::EXTCODESIZE, { "EXTCODESIZE", 0, 1, 1, false, ExtTier } },
{ Instruction::EXTCODECOPY, { "EXTCODECOPY", 0, 4, 0, true, ExtTier } },
{ Instruction::BLOCKHASH, { "BLOCKHASH", 0, 1, 1, false, ExtTier } },
{ Instruction::COINBASE, { "COINBASE", 0, 0, 1, false, BaseTier } },
{ Instruction::TIMESTAMP, { "TIMESTAMP", 0, 0, 1, false, BaseTier } },
{ Instruction::NUMBER, { "NUMBER", 0, 0, 1, false, BaseTier } },
{ Instruction::DIFFICULTY, { "DIFFICULTY", 0, 0, 1, false, BaseTier } },
{ Instruction::GASLIMIT, { "GASLIMIT", 0, 0, 1, false, BaseTier } },
{ Instruction::POP, { "POP", 0, 1, 0, false, BaseTier } },
{ Instruction::MLOAD, { "MLOAD", 0, 1, 1, false, VeryLowTier } },
{ Instruction::MSTORE, { "MSTORE", 0, 2, 0, true, VeryLowTier } },
{ Instruction::MSTORE8, { "MSTORE8", 0, 2, 0, true, VeryLowTier } },
{ Instruction::SLOAD, { "SLOAD", 0, 1, 1, false, SpecialTier } },
{ Instruction::SSTORE, { "SSTORE", 0, 2, 0, true, SpecialTier } },
{ Instruction::JUMP, { "JUMP", 0, 1, 0, true, MidTier } },
{ Instruction::JUMPI, { "JUMPI", 0, 2, 0, true, HighTier } },
{ Instruction::PC, { "PC", 0, 0, 1, false, BaseTier } },
{ Instruction::MSIZE, { "MSIZE", 0, 0, 1, false, BaseTier } },
{ Instruction::GAS, { "GAS", 0, 0, 1, false, BaseTier } },
{ Instruction::JUMPDEST, { "JUMPDEST", 0, 0, 0, true, SpecialTier } },
{ Instruction::PUSH1, { "PUSH1", 1, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH2, { "PUSH2", 2, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH3, { "PUSH3", 3, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH4, { "PUSH4", 4, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH5, { "PUSH5", 5, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH6, { "PUSH6", 6, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH7, { "PUSH7", 7, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH8, { "PUSH8", 8, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH9, { "PUSH9", 9, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH10, { "PUSH10", 10, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH11, { "PUSH11", 11, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH12, { "PUSH12", 12, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH13, { "PUSH13", 13, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH14, { "PUSH14", 14, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH15, { "PUSH15", 15, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH16, { "PUSH16", 16, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH17, { "PUSH17", 17, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH18, { "PUSH18", 18, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH19, { "PUSH19", 19, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH20, { "PUSH20", 20, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH21, { "PUSH21", 21, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH22, { "PUSH22", 22, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH23, { "PUSH23", 23, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH24, { "PUSH24", 24, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH25, { "PUSH25", 25, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH26, { "PUSH26", 26, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH27, { "PUSH27", 27, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH28, { "PUSH28", 28, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH29, { "PUSH29", 29, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH30, { "PUSH30", 30, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH31, { "PUSH31", 31, 0, 1, false, VeryLowTier } },
{ Instruction::PUSH32, { "PUSH32", 32, 0, 1, false, VeryLowTier } },
{ Instruction::DUP1, { "DUP1", 0, 1, 2, false, VeryLowTier } },
{ Instruction::DUP2, { "DUP2", 0, 2, 3, false, VeryLowTier } },
{ Instruction::DUP3, { "DUP3", 0, 3, 4, false, VeryLowTier } },
{ Instruction::DUP4, { "DUP4", 0, 4, 5, false, VeryLowTier } },
{ Instruction::DUP5, { "DUP5", 0, 5, 6, false, VeryLowTier } },
{ Instruction::DUP6, { "DUP6", 0, 6, 7, false, VeryLowTier } },
{ Instruction::DUP7, { "DUP7", 0, 7, 8, false, VeryLowTier } },
{ Instruction::DUP8, { "DUP8", 0, 8, 9, false, VeryLowTier } },
{ Instruction::DUP9, { "DUP9", 0, 9, 10, false, VeryLowTier } },
{ Instruction::DUP10, { "DUP10", 0, 10, 11, false, VeryLowTier } },
{ Instruction::DUP11, { "DUP11", 0, 11, 12, false, VeryLowTier } },
{ Instruction::DUP12, { "DUP12", 0, 12, 13, false, VeryLowTier } },
{ Instruction::DUP13, { "DUP13", 0, 13, 14, false, VeryLowTier } },
{ Instruction::DUP14, { "DUP14", 0, 14, 15, false, VeryLowTier } },
{ Instruction::DUP15, { "DUP15", 0, 15, 16, false, VeryLowTier } },
{ Instruction::DUP16, { "DUP16", 0, 16, 17, false, VeryLowTier } },
{ Instruction::SWAP1, { "SWAP1", 0, 2, 2, false, VeryLowTier } },
{ Instruction::SWAP2, { "SWAP2", 0, 3, 3, false, VeryLowTier } },
{ Instruction::SWAP3, { "SWAP3", 0, 4, 4, false, VeryLowTier } },
{ Instruction::SWAP4, { "SWAP4", 0, 5, 5, false, VeryLowTier } },
{ Instruction::SWAP5, { "SWAP5", 0, 6, 6, false, VeryLowTier } },
{ Instruction::SWAP6, { "SWAP6", 0, 7, 7, false, VeryLowTier } },
{ Instruction::SWAP7, { "SWAP7", 0, 8, 8, false, VeryLowTier } },
{ Instruction::SWAP8, { "SWAP8", 0, 9, 9, false, VeryLowTier } },
{ Instruction::SWAP9, { "SWAP9", 0, 10, 10, false, VeryLowTier } },
{ Instruction::SWAP10, { "SWAP10", 0, 11, 11, false, VeryLowTier } },
{ Instruction::SWAP11, { "SWAP11", 0, 12, 12, false, VeryLowTier } },
{ Instruction::SWAP12, { "SWAP12", 0, 13, 13, false, VeryLowTier } },
{ Instruction::SWAP13, { "SWAP13", 0, 14, 14, false, VeryLowTier } },
{ Instruction::SWAP14, { "SWAP14", 0, 15, 15, false, VeryLowTier } },
{ Instruction::SWAP15, { "SWAP15", 0, 16, 16, false, VeryLowTier } },
{ Instruction::SWAP16, { "SWAP16", 0, 17, 17, false, VeryLowTier } },
{ Instruction::LOG0, { "LOG0", 0, 2, 0, true, SpecialTier } },
{ Instruction::LOG1, { "LOG1", 0, 3, 0, true, SpecialTier } },
{ Instruction::LOG2, { "LOG2", 0, 4, 0, true, SpecialTier } },
{ Instruction::LOG3, { "LOG3", 0, 5, 0, true, SpecialTier } },
{ Instruction::LOG4, { "LOG4", 0, 6, 0, true, SpecialTier } },
{ Instruction::CREATE, { "CREATE", 0, 3, 1, true, SpecialTier } },
{ Instruction::CALL, { "CALL", 0, 7, 1, true, SpecialTier } },
{ Instruction::CALLCODE, { "CALLCODE", 0, 7, 1, true, SpecialTier } },
{ Instruction::RETURN, { "RETURN", 0, 2, 0, true, ZeroTier } },
{ Instruction::DELEGATECALL,{ "DELEGATECALL", 0, 6, 1, true, SpecialTier } },
{ Instruction::SUICIDE, { "SUICIDE", 0, 1, 0, true, ZeroTier } }
};
void dev::solidity::eachInstruction(
bytes const& _mem,
function<void(Instruction,u256 const&)> const& _onInstruction
)
{
for (auto it = _mem.begin(); it < _mem.end(); ++it)
{
Instruction instr = Instruction(*it);
size_t additional = 0;
if (isValidInstruction(instr))
additional = instructionInfo(instr).additional;
u256 data;
for (size_t i = 0; i < additional; ++i)
{
data <<= 8;
if (++it < _mem.end())
data |= *it;
}
_onInstruction(instr, data);
}
}
string dev::solidity::disassemble(bytes const& _mem)
{
stringstream ret;
eachInstruction(_mem, [&](Instruction _instr, u256 const& _data) {
if (!isValidInstruction(_instr))
ret << "0x" << hex << int(_instr) << " ";
else
{
InstructionInfo info = instructionInfo(_instr);
ret << info.name << " ";
if (info.additional)
ret << "0x" << hex << _data << " ";
}
});
return ret.str();
}
InstructionInfo dev::solidity::instructionInfo(Instruction _inst)
{
try
{
return c_instructionInfo.at(_inst);
}
catch (...)
{
return InstructionInfo({"<INVALID_INSTRUCTION: " + toString((unsigned)_inst) + ">", 0, 0, 0, false, InvalidTier});
}
}
bool dev::solidity::isValidInstruction(Instruction _inst)
{
return !!c_instructionInfo.count(_inst);
}

268
libevmasm/Instruction.h Normal file
View File

@ -0,0 +1,268 @@
/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file Instruction.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#pragma once
#include <functional>
#include <libdevcore/Common.h>
#include <libdevcore/Assertions.h>
#include "Exceptions.h"
namespace dev
{
namespace solidity
{
DEV_SIMPLE_EXCEPTION(InvalidDeposit);
DEV_SIMPLE_EXCEPTION(InvalidOpcode);
/// Virtual machine bytecode instruction.
enum class Instruction: uint8_t
{
STOP = 0x00, ///< halts execution
ADD, ///< addition operation
MUL, ///< mulitplication operation
SUB, ///< subtraction operation
DIV, ///< integer division operation
SDIV, ///< signed integer division operation
MOD, ///< modulo remainder operation
SMOD, ///< signed modulo remainder operation
ADDMOD, ///< unsigned modular addition
MULMOD, ///< unsigned modular multiplication
EXP, ///< exponential operation
SIGNEXTEND, ///< extend length of signed integer
LT = 0x10, ///< less-than comparision
GT, ///< greater-than comparision
SLT, ///< signed less-than comparision
SGT, ///< signed greater-than comparision
EQ, ///< equality comparision
ISZERO, ///< simple not operator
AND, ///< bitwise AND operation
OR, ///< bitwise OR operation
XOR, ///< bitwise XOR operation
NOT, ///< bitwise NOT opertation
BYTE, ///< retrieve single byte from word
SHA3 = 0x20, ///< compute SHA3-256 hash
ADDRESS = 0x30, ///< get address of currently executing account
BALANCE, ///< get balance of the given account
ORIGIN, ///< get execution origination address
CALLER, ///< get caller address
CALLVALUE, ///< get deposited value by the instruction/transaction responsible for this execution
CALLDATALOAD, ///< get input data of current environment
CALLDATASIZE, ///< get size of input data in current environment
CALLDATACOPY, ///< copy input data in current environment to memory
CODESIZE, ///< get size of code running in current environment
CODECOPY, ///< copy code running in current environment to memory
GASPRICE, ///< get price of gas in current environment
EXTCODESIZE, ///< get external code size (from another contract)
EXTCODECOPY, ///< copy external code (from another contract)
BLOCKHASH = 0x40, ///< get hash of most recent complete block
COINBASE, ///< get the block's coinbase address
TIMESTAMP, ///< get the block's timestamp
NUMBER, ///< get the block's number
DIFFICULTY, ///< get the block's difficulty
GASLIMIT, ///< get the block's gas limit
POP = 0x50, ///< remove item from stack
MLOAD, ///< load word from memory
MSTORE, ///< save word to memory
MSTORE8, ///< save byte to memory
SLOAD, ///< load word from storage
SSTORE, ///< save word to storage
JUMP, ///< alter the program counter
JUMPI, ///< conditionally alter the program counter
PC, ///< get the program counter
MSIZE, ///< get the size of active memory
GAS, ///< get the amount of available gas
JUMPDEST, ///< set a potential jump destination
PUSH1 = 0x60, ///< place 1 byte item on stack
PUSH2, ///< place 2 byte item on stack
PUSH3, ///< place 3 byte item on stack
PUSH4, ///< place 4 byte item on stack
PUSH5, ///< place 5 byte item on stack
PUSH6, ///< place 6 byte item on stack
PUSH7, ///< place 7 byte item on stack
PUSH8, ///< place 8 byte item on stack
PUSH9, ///< place 9 byte item on stack
PUSH10, ///< place 10 byte item on stack
PUSH11, ///< place 11 byte item on stack
PUSH12, ///< place 12 byte item on stack
PUSH13, ///< place 13 byte item on stack
PUSH14, ///< place 14 byte item on stack
PUSH15, ///< place 15 byte item on stack
PUSH16, ///< place 16 byte item on stack
PUSH17, ///< place 17 byte item on stack
PUSH18, ///< place 18 byte item on stack
PUSH19, ///< place 19 byte item on stack
PUSH20, ///< place 20 byte item on stack
PUSH21, ///< place 21 byte item on stack
PUSH22, ///< place 22 byte item on stack
PUSH23, ///< place 23 byte item on stack
PUSH24, ///< place 24 byte item on stack
PUSH25, ///< place 25 byte item on stack
PUSH26, ///< place 26 byte item on stack
PUSH27, ///< place 27 byte item on stack
PUSH28, ///< place 28 byte item on stack
PUSH29, ///< place 29 byte item on stack
PUSH30, ///< place 30 byte item on stack
PUSH31, ///< place 31 byte item on stack
PUSH32, ///< place 32 byte item on stack
DUP1 = 0x80, ///< copies the highest item in the stack to the top of the stack
DUP2, ///< copies the second highest item in the stack to the top of the stack
DUP3, ///< copies the third highest item in the stack to the top of the stack
DUP4, ///< copies the 4th highest item in the stack to the top of the stack
DUP5, ///< copies the 5th highest item in the stack to the top of the stack
DUP6, ///< copies the 6th highest item in the stack to the top of the stack
DUP7, ///< copies the 7th highest item in the stack to the top of the stack
DUP8, ///< copies the 8th highest item in the stack to the top of the stack
DUP9, ///< copies the 9th highest item in the stack to the top of the stack
DUP10, ///< copies the 10th highest item in the stack to the top of the stack
DUP11, ///< copies the 11th highest item in the stack to the top of the stack
DUP12, ///< copies the 12th highest item in the stack to the top of the stack
DUP13, ///< copies the 13th highest item in the stack to the top of the stack
DUP14, ///< copies the 14th highest item in the stack to the top of the stack
DUP15, ///< copies the 15th highest item in the stack to the top of the stack
DUP16, ///< copies the 16th highest item in the stack to the top of the stack
SWAP1 = 0x90, ///< swaps the highest and second highest value on the stack
SWAP2, ///< swaps the highest and third highest value on the stack
SWAP3, ///< swaps the highest and 4th highest value on the stack
SWAP4, ///< swaps the highest and 5th highest value on the stack
SWAP5, ///< swaps the highest and 6th highest value on the stack
SWAP6, ///< swaps the highest and 7th highest value on the stack
SWAP7, ///< swaps the highest and 8th highest value on the stack
SWAP8, ///< swaps the highest and 9th highest value on the stack
SWAP9, ///< swaps the highest and 10th highest value on the stack
SWAP10, ///< swaps the highest and 11th highest value on the stack
SWAP11, ///< swaps the highest and 12th highest value on the stack
SWAP12, ///< swaps the highest and 13th highest value on the stack
SWAP13, ///< swaps the highest and 14th highest value on the stack
SWAP14, ///< swaps the highest and 15th highest value on the stack
SWAP15, ///< swaps the highest and 16th highest value on the stack
SWAP16, ///< swaps the highest and 17th highest value on the stack
LOG0 = 0xa0, ///< Makes a log entry; no topics.
LOG1, ///< Makes a log entry; 1 topic.
LOG2, ///< Makes a log entry; 2 topics.
LOG3, ///< Makes a log entry; 3 topics.
LOG4, ///< Makes a log entry; 4 topics.
CREATE = 0xf0, ///< create a new account with associated code
CALL, ///< message-call into an account
CALLCODE, ///< message-call with another account's code only
RETURN, ///< halt execution returning output data
DELEGATECALL, ///< like CALLCODE but keeps caller's value and sender
SUICIDE = 0xff ///< halt execution and register account for later deletion
};
/// @returns the number of PUSH Instruction _inst
inline unsigned getPushNumber(Instruction _inst)
{
return (byte)_inst - unsigned(Instruction::PUSH1) + 1;
}
/// @returns the number of DUP Instruction _inst
inline unsigned getDupNumber(Instruction _inst)
{
return (byte)_inst - unsigned(Instruction::DUP1) + 1;
}
/// @returns the number of SWAP Instruction _inst
inline unsigned getSwapNumber(Instruction _inst)
{
return (byte)_inst - unsigned(Instruction::SWAP1) + 1;
}
/// @returns the PUSH<_number> instruction
inline Instruction pushInstruction(unsigned _number)
{
assertThrow(1 <= _number && _number <= 32, InvalidOpcode, "Invalid PUSH instruction requested.");
return Instruction(unsigned(Instruction::PUSH1) + _number - 1);
}
/// @returns the DUP<_number> instruction
inline Instruction dupInstruction(unsigned _number)
{
assertThrow(1 <= _number && _number <= 16, InvalidOpcode, "Invalid DUP instruction requested.");
return Instruction(unsigned(Instruction::DUP1) + _number - 1);
}
/// @returns the SWAP<_number> instruction
inline Instruction swapInstruction(unsigned _number)
{
assertThrow(1 <= _number && _number <= 16, InvalidOpcode, "Invalid SWAP instruction requested.");
return Instruction(unsigned(Instruction::SWAP1) + _number - 1);
}
/// @returns the LOG<_number> instruction
inline Instruction logInstruction(unsigned _number)
{
assertThrow(_number <= 4, InvalidOpcode, "Invalid LOG instruction requested.");
return Instruction(unsigned(Instruction::LOG0) + _number);
}
enum Tier
{
ZeroTier = 0, // 0, Zero
BaseTier, // 2, Quick
VeryLowTier, // 3, Fastest
LowTier, // 5, Fast
MidTier, // 8, Mid
HighTier, // 10, Slow
ExtTier, // 20, Ext
SpecialTier, // multiparam or otherwise special
InvalidTier // Invalid.
};
/// Information structure for a particular instruction.
struct InstructionInfo
{
std::string name; ///< The name of the instruction.
int additional; ///< Additional items required in memory for this instructions (only for PUSH).
int args; ///< Number of items required on the stack for this instruction (and, for the purposes of ret, the number taken from the stack).
int ret; ///< Number of items placed (back) on the stack by this instruction, assuming args items were removed.
bool sideEffects; ///< false if the only effect on the execution environment (apart from gas usage) is a change to a topmost segment of the stack
int gasPriceTier; ///< Tier for gas pricing.
};
/// Information on all the instructions.
InstructionInfo instructionInfo(Instruction _inst);
/// check whether instructions exists
bool isValidInstruction(Instruction _inst);
/// Convert from string mnemonic to Instruction type.
extern const std::map<std::string, Instruction> c_instructions;
/// Iterate through EVM code and call a function on each instruction.
void eachInstruction(bytes const& _mem, std::function<void(Instruction,u256 const&)> const& _onInstruction);
/// Convert from EVM code to simple EVM assembly language.
std::string disassemble(bytes const& _mem);
}
}

6
libevmasm/PathGasMeter.cpp
View File

@ -76,7 +76,7 @@ GasMeter::GasConsumption PathGasMeter::handleQueueItem()
bool branchStops = false;
jumpTags.clear();
AssemblyItem const& item = m_items.at(index);
if (item.type() == Tag || item == AssemblyItem(eth::Instruction::JUMPDEST))
if (item.type() == Tag || item == AssemblyItem(Instruction::JUMPDEST))
{
// Do not allow any backwards jump. This is quite restrictive but should work for
// the simplest things.
@ -84,14 +84,14 @@ GasMeter::GasConsumption PathGasMeter::handleQueueItem()
return GasMeter::GasConsumption::infinite();
path->visitedJumpdests.insert(index);
}
else if (item == AssemblyItem(eth::Instruction::JUMP))
else if (item == AssemblyItem(Instruction::JUMP))
{
branchStops = true;
jumpTags = state->tagsInExpression(state->relativeStackElement(0));
if (jumpTags.empty()) // unknown jump destination
return GasMeter::GasConsumption::infinite();
}
else if (item == AssemblyItem(eth::Instruction::JUMPI))
else if (item == AssemblyItem(Instruction::JUMPI))
{
ExpressionClasses::Id condition = state->relativeStackElement(-1);
if (classes.knownNonZero(condition) || !classes.knownZero(condition))

6
libevmasm/SemanticInformation.h
View File

@ -23,7 +23,7 @@
#pragma once
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
namespace dev
{
@ -50,9 +50,9 @@ struct SemanticInformation
/// the information in the current block header, memory, storage or stack.
static bool isDeterministic(AssemblyItem const& _item);
/// @returns true if the given instruction modifies memory.
static bool invalidatesMemory(Instruction _instruction);
static bool invalidatesMemory(solidity::Instruction _instruction);
/// @returns true if the given instruction modifies storage (even indirectly).
static bool invalidatesStorage(Instruction _instruction);
static bool invalidatesStorage(solidity::Instruction _instruction);
};
}

2
liblll/CodeFragment.cpp
View File

@ -30,7 +30,7 @@
#pragma GCC diagnostic pop
#include <libdevcore/Log.h>
#include <libdevcore/CommonIO.h>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include "CompilerState.h"
#include "Parser.h"
using namespace std;

2
liblll/CodeFragment.h
View File

@ -22,7 +22,7 @@
#pragma once
#include <libdevcore/Common.h>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include <libevmasm/Assembly.h>
#include "Exceptions.h"

2
libsolidity/analysis/TypeChecker.cpp
View File

@ -595,7 +595,7 @@ bool TypeChecker::visit(InlineAssembly const& _inlineAssembly)
if (!varDecl->isLocalVariable())
return false; // only local variables are inline-assemlby lvalues
for (unsigned i = 0; i < declaration->type()->sizeOnStack(); ++i)
_assembly.append(eth::Instruction::POP); // remove value just to verify the stack height
_assembly.append(Instruction::POP); // remove value just to verify the stack height
}
else
return false;

2
libsolidity/ast/AST.h
View File

@ -28,7 +28,7 @@
#include <memory>
#include <boost/noncopyable.hpp>
#include <libevmasm/SourceLocation.h>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include <libsolidity/interface/Utils.h>
#include <libsolidity/ast/ASTForward.h>
#include <libsolidity/parsing/Token.h>

434
libsolidity/codegen/ArrayUtils.cpp
View File

@ -21,7 +21,7 @@
*/
#include <libsolidity/codegen/ArrayUtils.h>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include <libsolidity/codegen/CompilerContext.h>
#include <libsolidity/codegen/CompilerUtils.h>
#include <libsolidity/ast/Types.h>
@ -56,7 +56,7 @@ void ArrayUtils::copyArrayToStorage(ArrayType const& _targetType, ArrayType cons
// stack: source_ref [source_length] target_ref
// store target_ref
for (unsigned i = _sourceType.sizeOnStack(); i > 0; --i)
m_context << eth::swapInstruction(i);
m_context << swapInstruction(i);
// stack: target_ref source_ref [source_length]
// stack: target_ref source_ref [source_length]
// retrieve source length
@ -65,12 +65,12 @@ void ArrayUtils::copyArrayToStorage(ArrayType const& _targetType, ArrayType cons
if (_sourceType.location() == DataLocation::Memory && _sourceType.isDynamicallySized())
{
// increment source pointer to point to data
m_context << eth::Instruction::SWAP1 << u256(0x20);
m_context << eth::Instruction::ADD << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1 << u256(0x20);
m_context << Instruction::ADD << Instruction::SWAP1;
}
// stack: target_ref source_ref source_length
m_context << eth::Instruction::DUP3;
m_context << Instruction::DUP3;
// stack: target_ref source_ref source_length target_ref
retrieveLength(_targetType);
// stack: target_ref source_ref source_length target_ref target_length
@ -78,28 +78,28 @@ void ArrayUtils::copyArrayToStorage(ArrayType const& _targetType, ArrayType cons
// store new target length
if (!_targetType.isByteArray())
// Otherwise, length will be stored below.
m_context << eth::Instruction::DUP3 << eth::Instruction::DUP3 << eth::Instruction::SSTORE;
m_context << Instruction::DUP3 << Instruction::DUP3 << Instruction::SSTORE;
if (sourceBaseType->category() == Type::Category::Mapping)
{
solAssert(targetBaseType->category() == Type::Category::Mapping, "");
solAssert(_sourceType.location() == DataLocation::Storage, "");
// nothing to copy
m_context
<< eth::Instruction::POP << eth::Instruction::POP
<< eth::Instruction::POP << eth::Instruction::POP;
<< Instruction::POP << Instruction::POP
<< Instruction::POP << Instruction::POP;
return;
}
// stack: target_ref source_ref source_length target_ref target_length
// compute hashes (data positions)
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
if (_targetType.isDynamicallySized())
CompilerUtils(m_context).computeHashStatic();
// stack: target_ref source_ref source_length target_length target_data_pos
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
convertLengthToSize(_targetType);
m_context << eth::Instruction::DUP2 << eth::Instruction::ADD;
m_context << Instruction::DUP2 << Instruction::ADD;
// stack: target_ref source_ref source_length target_data_pos target_data_end
m_context << eth::Instruction::SWAP3;
m_context << Instruction::SWAP3;
// stack: target_ref target_data_end source_length target_data_pos source_ref
eth::AssemblyItem copyLoopEndWithoutByteOffset = m_context.newTag();
@ -108,47 +108,47 @@ void ArrayUtils::copyArrayToStorage(ArrayType const& _targetType, ArrayType cons
if (_targetType.isByteArray())
{
// stack: target_ref target_data_end source_length target_data_pos source_ref
m_context << eth::Instruction::DUP3 << u256(31) << eth::Instruction::LT;
m_context << Instruction::DUP3 << u256(31) << Instruction::LT;
eth::AssemblyItem longByteArray = m_context.appendConditionalJump();
// store the short byte array
solAssert(_sourceType.isByteArray(), "");
if (_sourceType.location() == DataLocation::Storage)
{
// just copy the slot, it contains length and data
m_context << eth::Instruction::DUP1 << eth::Instruction::SLOAD;
m_context << eth::Instruction::DUP6 << eth::Instruction::SSTORE;
m_context << Instruction::DUP1 << Instruction::SLOAD;
m_context << Instruction::DUP6 << Instruction::SSTORE;
}
else
{
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
CompilerUtils(m_context).loadFromMemoryDynamic(*sourceBaseType, fromCalldata, true, false);
// stack: target_ref target_data_end source_length target_data_pos source_ref value
// clear the lower-order byte - which will hold the length
m_context << u256(0xff) << eth::Instruction::NOT << eth::Instruction::AND;
m_context << u256(0xff) << Instruction::NOT << Instruction::AND;
// fetch the length and shift it left by one
m_context << eth::Instruction::DUP4 << eth::Instruction::DUP1 << eth::Instruction::ADD;
m_context << Instruction::DUP4 << Instruction::DUP1 << Instruction::ADD;
// combine value and length and store them
m_context << eth::Instruction::OR << eth::Instruction::DUP6 << eth::Instruction::SSTORE;
m_context << Instruction::OR << Instruction::DUP6 << Instruction::SSTORE;
}
// end of special case, jump right into cleaning target data area
m_context.appendJumpTo(copyLoopEndWithoutByteOffset);
m_context << longByteArray;
// Store length (2*length+1)
m_context << eth::Instruction::DUP3 << eth::Instruction::DUP1 << eth::Instruction::ADD;
m_context << u256(1) << eth::Instruction::ADD;
m_context << eth::Instruction::DUP6 << eth::Instruction::SSTORE;
m_context << Instruction::DUP3 << Instruction::DUP1 << Instruction::ADD;
m_context << u256(1) << Instruction::ADD;
m_context << Instruction::DUP6 << Instruction::SSTORE;
}
// skip copying if source length is zero
m_context << eth::Instruction::DUP3 << eth::Instruction::ISZERO;
m_context << Instruction::DUP3 << Instruction::ISZERO;
m_context.appendConditionalJumpTo(copyLoopEndWithoutByteOffset);
if (_sourceType.location() == DataLocation::Storage && _sourceType.isDynamicallySized())
CompilerUtils(m_context).computeHashStatic();
// stack: target_ref target_data_end source_length target_data_pos source_data_pos
m_context << eth::Instruction::SWAP2;
m_context << Instruction::SWAP2;
convertLengthToSize(_sourceType);
m_context << eth::Instruction::DUP3 << eth::Instruction::ADD;
m_context << Instruction::DUP3 << Instruction::ADD;
// stack: target_ref target_data_end source_data_pos target_data_pos source_data_end
if (haveByteOffsetTarget)
m_context << u256(0);
@ -159,8 +159,8 @@ void ArrayUtils::copyArrayToStorage(ArrayType const& _targetType, ArrayType cons
m_context << copyLoopStart;
// check for loop condition
m_context
<< eth::dupInstruction(3 + byteOffsetSize) << eth::dupInstruction(2 + byteOffsetSize)
<< eth::Instruction::GT << eth::Instruction::ISZERO;
<< dupInstruction(3 + byteOffsetSize) << dupInstruction(2 + byteOffsetSize)
<< Instruction::GT << Instruction::ISZERO;
eth::AssemblyItem copyLoopEnd = m_context.appendConditionalJump();
// stack: target_ref target_data_end source_data_pos target_data_pos source_data_end [target_byte_offset] [source_byte_offset]
// copy
@ -168,19 +168,19 @@ void ArrayUtils::copyArrayToStorage(ArrayType const& _targetType, ArrayType cons
{
solAssert(byteOffsetSize == 0, "Byte offset for array as base type.");
auto const& sourceBaseArrayType = dynamic_cast<ArrayType const&>(*sourceBaseType);
m_context << eth::Instruction::DUP3;
m_context << Instruction::DUP3;
if (sourceBaseArrayType.location() == DataLocation::Memory)
m_context << eth::Instruction::MLOAD;
m_context << eth::Instruction::DUP3;
m_context << Instruction::MLOAD;
m_context << Instruction::DUP3;
copyArrayToStorage(dynamic_cast<ArrayType const&>(*targetBaseType), sourceBaseArrayType);
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
else if (directCopy)
{
solAssert(byteOffsetSize == 0, "Byte offset for direct copy.");
m_context
<< eth::Instruction::DUP3 << eth::Instruction::SLOAD
<< eth::Instruction::DUP3 << eth::Instruction::SSTORE;
<< Instruction::DUP3 << Instruction::SLOAD
<< Instruction::DUP3 << Instruction::SSTORE;
}
else
{
@ -188,11 +188,11 @@ void ArrayUtils::copyArrayToStorage(ArrayType const& _targetType, ArrayType cons
// We might copy too much if there is padding at the last element, but this way end
// checking is easier.
// stack: target_ref target_data_end source_data_pos target_data_pos source_data_end [target_byte_offset] [source_byte_offset]
m_context << eth::dupInstruction(3 + byteOffsetSize);
m_context << dupInstruction(3 + byteOffsetSize);
if (_sourceType.location() == DataLocation::Storage)
{
if (haveByteOffsetSource)
m_context << eth::Instruction::DUP2;
m_context << Instruction::DUP2;
else
m_context << u256(0);
StorageItem(m_context, *sourceBaseType).retrieveValue(SourceLocation(), true);
@ -207,9 +207,9 @@ void ArrayUtils::copyArrayToStorage(ArrayType const& _targetType, ArrayType cons
"Stack too deep, try removing local variables."
);
// fetch target storage reference
m_context << eth::dupInstruction(2 + byteOffsetSize + sourceBaseType->sizeOnStack());
m_context << dupInstruction(2 + byteOffsetSize + sourceBaseType->sizeOnStack());
if (haveByteOffsetTarget)
m_context << eth::dupInstruction(1 + byteOffsetSize + sourceBaseType->sizeOnStack());
m_context << dupInstruction(1 + byteOffsetSize + sourceBaseType->sizeOnStack());
else
m_context << u256(0);
StorageItem(m_context, *targetBaseType).storeValue(*sourceBaseType, SourceLocation(), true);
@ -220,7 +220,7 @@ void ArrayUtils::copyArrayToStorage(ArrayType const& _targetType, ArrayType cons
incrementByteOffset(sourceBaseType->storageBytes(), 1, haveByteOffsetTarget ? 5 : 4);
else
{
m_context << eth::swapInstruction(2 + byteOffsetSize);
m_context << swapInstruction(2 + byteOffsetSize);
if (sourceIsStorage)
m_context << sourceBaseType->storageSize();
else if (_sourceType.location() == DataLocation::Memory)
@ -228,44 +228,44 @@ void ArrayUtils::copyArrayToStorage(ArrayType const& _targetType, ArrayType cons
else
m_context << sourceBaseType->calldataEncodedSize(true);
m_context
<< eth::Instruction::ADD
<< eth::swapInstruction(2 + byteOffsetSize);
<< Instruction::ADD
<< swapInstruction(2 + byteOffsetSize);
}
// increment target
if (haveByteOffsetTarget)
incrementByteOffset(targetBaseType->storageBytes(), byteOffsetSize, byteOffsetSize + 2);
else
m_context
<< eth::swapInstruction(1 + byteOffsetSize)
<< swapInstruction(1 + byteOffsetSize)
<< targetBaseType->storageSize()
<< eth::Instruction::ADD
<< eth::swapInstruction(1 + byteOffsetSize);
<< Instruction::ADD
<< swapInstruction(1 + byteOffsetSize);
m_context.appendJumpTo(copyLoopStart);
m_context << copyLoopEnd;
if (haveByteOffsetTarget)
{
// clear elements that might be left over in the current slot in target
// stack: target_ref target_data_end source_data_pos target_data_pos source_data_end target_byte_offset [source_byte_offset]
m_context << eth::dupInstruction(byteOffsetSize) << eth::Instruction::ISZERO;
m_context << dupInstruction(byteOffsetSize) << Instruction::ISZERO;
eth::AssemblyItem copyCleanupLoopEnd = m_context.appendConditionalJump();
m_context << eth::dupInstruction(2 + byteOffsetSize) << eth::dupInstruction(1 + byteOffsetSize);
m_context << dupInstruction(2 + byteOffsetSize) << dupInstruction(1 + byteOffsetSize);
StorageItem(m_context, *targetBaseType).setToZero(SourceLocation(), true);
incrementByteOffset(targetBaseType->storageBytes(), byteOffsetSize, byteOffsetSize + 2);
m_context.appendJumpTo(copyLoopEnd);
m_context << copyCleanupLoopEnd;
m_context << eth::Instruction::POP; // might pop the source, but then target is popped next
m_context << Instruction::POP; // might pop the source, but then target is popped next
}
if (haveByteOffsetSource)
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
m_context << copyLoopEndWithoutByteOffset;
// zero-out leftovers in target
// stack: target_ref target_data_end source_data_pos target_data_pos_updated source_data_end
m_context << eth::Instruction::POP << eth::Instruction::SWAP1 << eth::Instruction::POP;
m_context << Instruction::POP << Instruction::SWAP1 << Instruction::POP;
// stack: target_ref target_data_end target_data_pos_updated
clearStorageLoop(*targetBaseType);
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
void ArrayUtils::copyArrayToMemory(ArrayType const& _sourceType, bool _padToWordBoundaries) const
@ -285,13 +285,13 @@ void ArrayUtils::copyArrayToMemory(ArrayType const& _sourceType, bool _padToWord
if (!_sourceType.isDynamicallySized())
m_context << _sourceType.length();
if (baseSize > 1)
m_context << u256(baseSize) << eth::Instruction::MUL;
m_context << u256(baseSize) << Instruction::MUL;
// stack: target source_offset source_len
m_context << eth::Instruction::DUP1 << eth::Instruction::DUP3 << eth::Instruction::DUP5;
m_context << Instruction::DUP1 << Instruction::DUP3 << Instruction::DUP5;
// stack: target source_offset source_len source_len source_offset target
m_context << eth::Instruction::CALLDATACOPY;
m_context << eth::Instruction::DUP3 << eth::Instruction::ADD;
m_context << eth::Instruction::SWAP2 << eth::Instruction::POP << eth::Instruction::POP;
m_context << Instruction::CALLDATACOPY;
m_context << Instruction::DUP3 << Instruction::ADD;
m_context << Instruction::SWAP2 << Instruction::POP << Instruction::POP;
}
else if (_sourceType.location() == DataLocation::Memory)
{
@ -300,25 +300,25 @@ void ArrayUtils::copyArrayToMemory(ArrayType const& _sourceType, bool _padToWord
if (!_sourceType.baseType()->isValueType())
{
// copy using a loop
m_context << u256(0) << eth::Instruction::SWAP3;
m_context << u256(0) << Instruction::SWAP3;
// stack: counter source length target
auto repeat = m_context.newTag();
m_context << repeat;
m_context << eth::Instruction::DUP2 << eth::Instruction::DUP5;
m_context << eth::Instruction::LT << eth::Instruction::ISZERO;
m_context << Instruction::DUP2 << Instruction::DUP5;
m_context << Instruction::LT << Instruction::ISZERO;
auto loopEnd = m_context.appendConditionalJump();
m_context << eth::Instruction::DUP3 << eth::Instruction::DUP5;
m_context << Instruction::DUP3 << Instruction::DUP5;
accessIndex(_sourceType, false);
MemoryItem(m_context, *_sourceType.baseType(), true).retrieveValue(SourceLocation(), true);
if (auto baseArray = dynamic_cast<ArrayType const*>(_sourceType.baseType().get()))
copyArrayToMemory(*baseArray, _padToWordBoundaries);
else
utils.storeInMemoryDynamic(*_sourceType.baseType());
m_context << eth::Instruction::SWAP3 << u256(1) << eth::Instruction::ADD;
m_context << eth::Instruction::SWAP3;
m_context << Instruction::SWAP3 << u256(1) << Instruction::ADD;
m_context << Instruction::SWAP3;
m_context.appendJumpTo(repeat);
m_context << loopEnd;
m_context << eth::Instruction::SWAP3;
m_context << Instruction::SWAP3;
utils.popStackSlots(3);
// stack: updated_target_pos
return;
@ -328,18 +328,18 @@ void ArrayUtils::copyArrayToMemory(ArrayType const& _sourceType, bool _padToWord
if (_sourceType.isDynamicallySized())
{
// change pointer to data part
m_context << eth::Instruction::SWAP1 << u256(32) << eth::Instruction::ADD;
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1 << u256(32) << Instruction::ADD;
m_context << Instruction::SWAP1;
}
// convert length to size
if (baseSize > 1)
m_context << u256(baseSize) << eth::Instruction::MUL;
m_context << u256(baseSize) << Instruction::MUL;
// stack: <target> <source> <size>
//@TODO do not use ::CALL if less than 32 bytes?
m_context << eth::Instruction::DUP1 << eth::Instruction::DUP4 << eth::Instruction::DUP4;
m_context << Instruction::DUP1 << Instruction::DUP4 << Instruction::DUP4;
utils.memoryCopy();
m_context << eth::Instruction::SWAP1 << eth::Instruction::POP;
m_context << Instruction::SWAP1 << Instruction::POP;
// stack: <target> <size>
bool paddingNeeded = false;
@ -350,43 +350,43 @@ void ArrayUtils::copyArrayToMemory(ArrayType const& _sourceType, bool _padToWord
if (paddingNeeded)
{
// stack: <target> <size>
m_context << eth::Instruction::SWAP1 << eth::Instruction::DUP2 << eth::Instruction::ADD;
m_context << Instruction::SWAP1 << Instruction::DUP2 << Instruction::ADD;
// stack: <length> <target + size>
m_context << eth::Instruction::SWAP1 << u256(31) << eth::Instruction::AND;
m_context << Instruction::SWAP1 << u256(31) << Instruction::AND;
// stack: <target + size> <remainder = size % 32>
eth::AssemblyItem skip = m_context.newTag();
if (_sourceType.isDynamicallySized())
{
m_context << eth::Instruction::DUP1 << eth::Instruction::ISZERO;
m_context << Instruction::DUP1 << Instruction::ISZERO;
m_context.appendConditionalJumpTo(skip);
}
// round off, load from there.
// stack <target + size> <remainder = size % 32>
m_context << eth::Instruction::DUP1 << eth::Instruction::DUP3;
m_context << eth::Instruction::SUB;
m_context << Instruction::DUP1 << Instruction::DUP3;
m_context << Instruction::SUB;
// stack: target+size remainder <target + size - remainder>
m_context << eth::Instruction::DUP1 << eth::Instruction::MLOAD;
m_context << Instruction::DUP1 << Instruction::MLOAD;
// Now we AND it with ~(2**(8 * (32 - remainder)) - 1)
m_context << u256(1);
m_context << eth::Instruction::DUP4 << u256(32) << eth::Instruction::SUB;
m_context << Instruction::DUP4 << u256(32) << Instruction::SUB;
// stack: ...<v> 1 <32 - remainder>
m_context << u256(0x100) << eth::Instruction::EXP << eth::Instruction::SUB;
m_context << eth::Instruction::NOT << eth::Instruction::AND;
m_context << u256(0x100) << Instruction::EXP << Instruction::SUB;
m_context << Instruction::NOT << Instruction::AND;
// stack: target+size remainder target+size-remainder <v & ...>
m_context << eth::Instruction::DUP2 << eth::Instruction::MSTORE;
m_context << Instruction::DUP2 << Instruction::MSTORE;
// stack: target+size remainder target+size-remainder
m_context << u256(32) << eth::Instruction::ADD;
m_context << u256(32) << Instruction::ADD;
// stack: target+size remainder <new_padded_end>
m_context << eth::Instruction::SWAP2 << eth::Instruction::POP;
m_context << Instruction::SWAP2 << Instruction::POP;
if (_sourceType.isDynamicallySized())
m_context << skip.tag();
// stack <target + "size"> <remainder = size % 32>
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
else
// stack: <target> <size>
m_context << eth::Instruction::ADD;
m_context << Instruction::ADD;
}
else
{
@ -398,48 +398,48 @@ void ArrayUtils::copyArrayToMemory(ArrayType const& _sourceType, bool _padToWord
retrieveLength(_sourceType);
// stack here: memory_offset storage_offset length
// jump to end if length is zero
m_context << eth::Instruction::DUP1 << eth::Instruction::ISZERO;
m_context << Instruction::DUP1 << Instruction::ISZERO;
eth::AssemblyItem loopEnd = m_context.appendConditionalJump();
// Special case for tightly-stored byte arrays
if (_sourceType.isByteArray())
{
// stack here: memory_offset storage_offset length
m_context << eth::Instruction::DUP1 << u256(31) << eth::Instruction::LT;
m_context << Instruction::DUP1 << u256(31) << Instruction::LT;
eth::AssemblyItem longByteArray = m_context.appendConditionalJump();
// store the short byte array (discard lower-order byte)
m_context << u256(0x100) << eth::Instruction::DUP1;
m_context << eth::Instruction::DUP4 << eth::Instruction::SLOAD;
m_context << eth::Instruction::DIV << eth::Instruction::MUL;
m_context << eth::Instruction::DUP4 << eth::Instruction::MSTORE;
m_context << u256(0x100) << Instruction::DUP1;
m_context << Instruction::DUP4 << Instruction::SLOAD;
m_context << Instruction::DIV << Instruction::MUL;
m_context << Instruction::DUP4 << Instruction::MSTORE;
// stack here: memory_offset storage_offset length
// add 32 or length to memory offset
m_context << eth::Instruction::SWAP2;
m_context << Instruction::SWAP2;
if (_padToWordBoundaries)
m_context << u256(32);
else
m_context << eth::Instruction::DUP3;
m_context << eth::Instruction::ADD;
m_context << eth::Instruction::SWAP2;
m_context << Instruction::DUP3;
m_context << Instruction::ADD;
m_context << Instruction::SWAP2;
m_context.appendJumpTo(loopEnd);
m_context << longByteArray;
}
// compute memory end offset
if (baseSize > 1)
// convert length to memory size
m_context << u256(baseSize) << eth::Instruction::MUL;
m_context << eth::Instruction::DUP3 << eth::Instruction::ADD << eth::Instruction::SWAP2;
m_context << u256(baseSize) << Instruction::MUL;
m_context << Instruction::DUP3 << Instruction::ADD << Instruction::SWAP2;
if (_sourceType.isDynamicallySized())
{
// actual array data is stored at SHA3(storage_offset)
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
utils.computeHashStatic();
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
}
// stack here: memory_end_offset storage_data_offset memory_offset
bool haveByteOffset = !_sourceType.isByteArray() && storageBytes <= 16;
if (haveByteOffset)
m_context << u256(0) << eth::Instruction::SWAP1;
m_context << u256(0) << Instruction::SWAP1;
// stack here: memory_end_offset storage_data_offset [storage_byte_offset] memory_offset
eth::AssemblyItem loopStart = m_context.newTag();
m_context << loopStart;
@ -447,20 +447,20 @@ void ArrayUtils::copyArrayToMemory(ArrayType const& _sourceType, bool _padToWord
if (_sourceType.isByteArray())
{
// Packed both in storage and memory.
m_context << eth::Instruction::DUP2 << eth::Instruction::SLOAD;
m_context << eth::Instruction::DUP2 << eth::Instruction::MSTORE;
m_context << Instruction::DUP2 << Instruction::SLOAD;
m_context << Instruction::DUP2 << Instruction::MSTORE;
// increment storage_data_offset by 1
m_context << eth::Instruction::SWAP1 << u256(1) << eth::Instruction::ADD;
m_context << Instruction::SWAP1 << u256(1) << Instruction::ADD;
// increment memory offset by 32
m_context << eth::Instruction::SWAP1 << u256(32) << eth::Instruction::ADD;
m_context << Instruction::SWAP1 << u256(32) << Instruction::ADD;
}
else
{
// stack here: memory_end_offset storage_data_offset [storage_byte_offset] memory_offset
if (haveByteOffset)
m_context << eth::Instruction::DUP3 << eth::Instruction::DUP3;
m_context << Instruction::DUP3 << Instruction::DUP3;
else
m_context << eth::Instruction::DUP2 << u256(0);
m_context << Instruction::DUP2 << u256(0);
StorageItem(m_context, *_sourceType.baseType()).retrieveValue(SourceLocation(), true);
if (auto baseArray = dynamic_cast<ArrayType const*>(_sourceType.baseType().get()))
copyArrayToMemory(*baseArray, _padToWordBoundaries);
@ -471,29 +471,29 @@ void ArrayUtils::copyArrayToMemory(ArrayType const& _sourceType, bool _padToWord
incrementByteOffset(storageBytes, 2, 3);
else
{
m_context << eth::Instruction::SWAP1;
m_context << storageSize << eth::Instruction::ADD;
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
m_context << storageSize << Instruction::ADD;
m_context << Instruction::SWAP1;
}
}
// check for loop condition
m_context << eth::Instruction::DUP1 << eth::dupInstruction(haveByteOffset ? 5 : 4);
m_context << eth::Instruction::GT;
m_context << Instruction::DUP1 << dupInstruction(haveByteOffset ? 5 : 4);
m_context << Instruction::GT;
m_context.appendConditionalJumpTo(loopStart);
// stack here: memory_end_offset storage_data_offset [storage_byte_offset] memory_offset
if (haveByteOffset)
m_context << eth::Instruction::SWAP1 << eth::Instruction::POP;
m_context << Instruction::SWAP1 << Instruction::POP;
if (_padToWordBoundaries && baseSize % 32 != 0)
{
// memory_end_offset - start is the actual length (we want to compute the ceil of).
// memory_offset - start is its next multiple of 32, but it might be off by 32.
// so we compute: memory_end_offset += (memory_offset - memory_end_offest) & 31
m_context << eth::Instruction::DUP3 << eth::Instruction::SWAP1 << eth::Instruction::SUB;
m_context << u256(31) << eth::Instruction::AND;
m_context << eth::Instruction::DUP3 << eth::Instruction::ADD;
m_context << eth::Instruction::SWAP2;
m_context << Instruction::DUP3 << Instruction::SWAP1 << Instruction::SUB;
m_context << u256(31) << Instruction::AND;
m_context << Instruction::DUP3 << Instruction::ADD;
m_context << Instruction::SWAP2;
}
m_context << loopEnd << eth::Instruction::POP << eth::Instruction::POP;
m_context << loopEnd << Instruction::POP << Instruction::POP;
}
}
@ -509,20 +509,20 @@ void ArrayUtils::clearArray(ArrayType const& _type) const
if (_type.baseType()->isValueType())
solAssert(_type.baseType()->storageSize() <= 1, "Invalid size for value type.");
m_context << eth::Instruction::POP; // remove byte offset
m_context << Instruction::POP; // remove byte offset
if (_type.isDynamicallySized())
clearDynamicArray(_type);
else if (_type.length() == 0 || _type.baseType()->category() == Type::Category::Mapping)
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
else if (_type.baseType()->isValueType() && _type.storageSize() <= 5)
{
// unroll loop for small arrays @todo choose a good value
// Note that we loop over storage slots here, not elements.
for (unsigned i = 1; i < _type.storageSize(); ++i)
m_context
<< u256(0) << eth::Instruction::DUP2 << eth::Instruction::SSTORE
<< u256(1) << eth::Instruction::ADD;
m_context << u256(0) << eth::Instruction::SWAP1 << eth::Instruction::SSTORE;
<< u256(0) << Instruction::DUP2 << Instruction::SSTORE
<< u256(1) << Instruction::ADD;
m_context << u256(0) << Instruction::SWAP1 << Instruction::SSTORE;
}
else if (!_type.baseType()->isValueType() && _type.length() <= 4)
{
@ -533,22 +533,22 @@ void ArrayUtils::clearArray(ArrayType const& _type) const
m_context << u256(0);
StorageItem(m_context, *_type.baseType()).setToZero(SourceLocation(), false);
m_context
<< eth::Instruction::POP
<< u256(_type.baseType()->storageSize()) << eth::Instruction::ADD;
<< Instruction::POP
<< u256(_type.baseType()->storageSize()) << Instruction::ADD;
}
m_context << u256(0);
StorageItem(m_context, *_type.baseType()).setToZero(SourceLocation(), true);
}
else
{
m_context << eth::Instruction::DUP1 << _type.length();
m_context << Instruction::DUP1 << _type.length();
convertLengthToSize(_type);
m_context << eth::Instruction::ADD << eth::Instruction::SWAP1;
m_context << Instruction::ADD << Instruction::SWAP1;
if (_type.baseType()->storageBytes() < 32)
clearStorageLoop(IntegerType(256));
else
clearStorageLoop(*_type.baseType());
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
solAssert(m_context.stackHeight() == stackHeightStart - 2, "");
}
@ -561,15 +561,15 @@ void ArrayUtils::clearDynamicArray(ArrayType const& _type) const
// fetch length
retrieveLength(_type);
// set length to zero
m_context << u256(0) << eth::Instruction::DUP3 << eth::Instruction::SSTORE;
m_context << u256(0) << Instruction::DUP3 << Instruction::SSTORE;
// Special case: short byte arrays are stored togeher with their length
eth::AssemblyItem endTag = m_context.newTag();
if (_type.isByteArray())
{
// stack: ref old_length
m_context << eth::Instruction::DUP1 << u256(31) << eth::Instruction::LT;
m_context << Instruction::DUP1 << u256(31) << Instruction::LT;
eth::AssemblyItem longByteArray = m_context.appendConditionalJump();
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
m_context.appendJumpTo(endTag);
m_context.adjustStackOffset(1); // needed because of jump
m_context << longByteArray;
@ -577,11 +577,11 @@ void ArrayUtils::clearDynamicArray(ArrayType const& _type) const
// stack: ref old_length
convertLengthToSize(_type);
// compute data positions
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
CompilerUtils(m_context).computeHashStatic();
// stack: len data_pos
m_context << eth::Instruction::SWAP1 << eth::Instruction::DUP2 << eth::Instruction::ADD
<< eth::Instruction::SWAP1;
m_context << Instruction::SWAP1 << Instruction::DUP2 << Instruction::ADD
<< Instruction::SWAP1;
// stack: data_pos_end data_pos
if (_type.isByteArray() || _type.baseType()->storageBytes() < 32)
clearStorageLoop(IntegerType(256));
@ -589,7 +589,7 @@ void ArrayUtils::clearDynamicArray(ArrayType const& _type) const
clearStorageLoop(*_type.baseType());
// cleanup
m_context << endTag;
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
void ArrayUtils::resizeDynamicArray(ArrayType const& _type) const
@ -614,13 +614,13 @@ void ArrayUtils::resizeDynamicArray(ArrayType const& _type) const
eth::AssemblyItem regularPath = m_context.newTag();
// We start by a large case-distinction about the old and new length of the byte array.
m_context << eth::Instruction::DUP3 << eth::Instruction::SLOAD;
m_context << Instruction::DUP3 << Instruction::SLOAD;
// stack: ref new_length current_length ref_value
solAssert(m_context.stackHeight() - stackHeightStart == 4 - 2, "3");
m_context << eth::Instruction::DUP2 << u256(31) << eth::Instruction::LT;
m_context << Instruction::DUP2 << u256(31) << Instruction::LT;
eth::AssemblyItem currentIsLong = m_context.appendConditionalJump();
m_context << eth::Instruction::DUP3 << u256(31) << eth::Instruction::LT;
m_context << Instruction::DUP3 << u256(31) << Instruction::LT;
eth::AssemblyItem newIsLong = m_context.appendConditionalJump();
// Here: short -> short
@ -628,17 +628,17 @@ void ArrayUtils::resizeDynamicArray(ArrayType const& _type) const
// Compute 1 << (256 - 8 * new_size)
eth::AssemblyItem shortToShort = m_context.newTag();
m_context << shortToShort;
m_context << eth::Instruction::DUP3 << u256(8) << eth::Instruction::MUL;
m_context << u256(0x100) << eth::Instruction::SUB;
m_context << u256(2) << eth::Instruction::EXP;
m_context << Instruction::DUP3 << u256(8) << Instruction::MUL;
m_context << u256(0x100) << Instruction::SUB;
m_context << u256(2) << Instruction::EXP;
// Divide and multiply by that value, clearing bits.
m_context << eth::Instruction::DUP1 << eth::Instruction::SWAP2;
m_context << eth::Instruction::DIV << eth::Instruction::MUL;
m_context << Instruction::DUP1 << Instruction::SWAP2;
m_context << Instruction::DIV << Instruction::MUL;
// Insert 2*length.
m_context << eth::Instruction::DUP3 << eth::Instruction::DUP1 << eth::Instruction::ADD;
m_context << eth::Instruction::OR;
m_context << Instruction::DUP3 << Instruction::DUP1 << Instruction::ADD;
m_context << Instruction::OR;
// Store.
m_context << eth::Instruction::DUP4 << eth::Instruction::SSTORE;
m_context << Instruction::DUP4 << Instruction::SSTORE;
solAssert(m_context.stackHeight() - stackHeightStart == 3 - 2, "3");
m_context.appendJumpTo(resizeEnd);
@ -649,24 +649,24 @@ void ArrayUtils::resizeDynamicArray(ArrayType const& _type) const
// stack: ref new_length current_length ref_value
solAssert(m_context.stackHeight() - stackHeightStart == 4 - 2, "3");
// Zero out lower-order byte.
m_context << u256(0xff) << eth::Instruction::NOT << eth::Instruction::AND;
m_context << u256(0xff) << Instruction::NOT << Instruction::AND;
// Store at data location.
m_context << eth::Instruction::DUP4;
m_context << Instruction::DUP4;
CompilerUtils(m_context).computeHashStatic();
m_context << eth::Instruction::SSTORE;
m_context << Instruction::SSTORE;
// stack: ref new_length current_length
// Store new length: Compule 2*length + 1 and store it.
m_context << eth::Instruction::DUP2 << eth::Instruction::DUP1 << eth::Instruction::ADD;
m_context << u256(1) << eth::Instruction::ADD;
m_context << Instruction::DUP2 << Instruction::DUP1 << Instruction::ADD;
m_context << u256(1) << Instruction::ADD;
// stack: ref new_length current_length 2*new_length+1
m_context << eth::Instruction::DUP4 << eth::Instruction::SSTORE;
m_context << Instruction::DUP4 << Instruction::SSTORE;
solAssert(m_context.stackHeight() - stackHeightStart == 3 - 2, "3");
m_context.appendJumpTo(resizeEnd);
m_context.adjustStackOffset(1); // we have to do that because of the jumps
m_context << currentIsLong;
m_context << eth::Instruction::DUP3 << u256(31) << eth::Instruction::LT;
m_context << Instruction::DUP3 << u256(31) << Instruction::LT;
m_context.appendConditionalJumpTo(regularPath);
// Here: long -> short
@ -675,51 +675,51 @@ void ArrayUtils::resizeDynamicArray(ArrayType const& _type) const
// stack: ref new_length current_length ref_value
solAssert(m_context.stackHeight() - stackHeightStart == 4 - 2, "3");
m_context << eth::Instruction::POP << eth::Instruction::DUP3;
m_context << Instruction::POP << Instruction::DUP3;
CompilerUtils(m_context).computeHashStatic();
m_context << eth::Instruction::DUP1 << eth::Instruction::SLOAD << eth::Instruction::SWAP1;
m_context << Instruction::DUP1 << Instruction::SLOAD << Instruction::SWAP1;
// stack: ref new_length current_length first_word data_location
m_context << eth::Instruction::DUP3;
m_context << Instruction::DUP3;
convertLengthToSize(_type);
m_context << eth::Instruction::DUP2 << eth::Instruction::ADD << eth::Instruction::SWAP1;
m_context << Instruction::DUP2 << Instruction::ADD << Instruction::SWAP1;
// stack: ref new_length current_length first_word data_location_end data_location
clearStorageLoop(IntegerType(256));
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
// stack: ref new_length current_length first_word
solAssert(m_context.stackHeight() - stackHeightStart == 4 - 2, "3");
m_context.appendJumpTo(shortToShort);
m_context << regularPath;
// stack: ref new_length current_length ref_value
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
// Change of length for a regular array (i.e. length at location, data at sha3(location)).
// stack: ref new_length old_length
// store new length
m_context << eth::Instruction::DUP2;
m_context << Instruction::DUP2;
if (_type.isByteArray())
// For a "long" byte array, store length as 2*length+1
m_context << eth::Instruction::DUP1 << eth::Instruction::ADD << u256(1) << eth::Instruction::ADD;
m_context<< eth::Instruction::DUP4 << eth::Instruction::SSTORE;
m_context << Instruction::DUP1 << Instruction::ADD << u256(1) << Instruction::ADD;
m_context<< Instruction::DUP4 << Instruction::SSTORE;
// skip if size is not reduced
m_context << eth::Instruction::DUP2 << eth::Instruction::DUP2
<< eth::Instruction::ISZERO << eth::Instruction::GT;
m_context << Instruction::DUP2 << Instruction::DUP2
<< Instruction::ISZERO << Instruction::GT;
m_context.appendConditionalJumpTo(resizeEnd);
// size reduced, clear the end of the array
// stack: ref new_length old_length
convertLengthToSize(_type);
m_context << eth::Instruction::DUP2;
m_context << Instruction::DUP2;
convertLengthToSize(_type);
// stack: ref new_length old_size new_size
// compute data positions
m_context << eth::Instruction::DUP4;
m_context << Instruction::DUP4;
CompilerUtils(m_context).computeHashStatic();
// stack: ref new_length old_size new_size data_pos
m_context << eth::Instruction::SWAP2 << eth::Instruction::DUP3 << eth::Instruction::ADD;
m_context << Instruction::SWAP2 << Instruction::DUP3 << Instruction::ADD;
// stack: ref new_length data_pos new_size delete_end
m_context << eth::Instruction::SWAP2 << eth::Instruction::ADD;
m_context << Instruction::SWAP2 << Instruction::ADD;
// stack: ref new_length delete_end delete_start
if (_type.isByteArray() || _type.baseType()->storageBytes() < 32)
clearStorageLoop(IntegerType(256));
@ -728,7 +728,7 @@ void ArrayUtils::resizeDynamicArray(ArrayType const& _type) const
m_context << resizeEnd;
// cleanup
m_context << eth::Instruction::POP << eth::Instruction::POP << eth::Instruction::POP;
m_context << Instruction::POP << Instruction::POP << Instruction::POP;
solAssert(m_context.stackHeight() == stackHeightStart - 2, "");
}
@ -737,35 +737,35 @@ void ArrayUtils::clearStorageLoop(Type const& _type) const
unsigned stackHeightStart = m_context.stackHeight();
if (_type.category() == Type::Category::Mapping)
{
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
return;
}
// stack: end_pos pos
// jump to and return from the loop to allow for duplicate code removal
eth::AssemblyItem returnTag = m_context.pushNewTag();
m_context << eth::Instruction::SWAP2 << eth::Instruction::SWAP1;
m_context << Instruction::SWAP2 << Instruction::SWAP1;
// stack: <return tag> end_pos pos
eth::AssemblyItem loopStart = m_context.appendJumpToNew();
m_context << loopStart;
// check for loop condition
m_context << eth::Instruction::DUP1 << eth::Instruction::DUP3
<< eth::Instruction::GT << eth::Instruction::ISZERO;
m_context << Instruction::DUP1 << Instruction::DUP3
<< Instruction::GT << Instruction::ISZERO;
eth::AssemblyItem zeroLoopEnd = m_context.newTag();
m_context.appendConditionalJumpTo(zeroLoopEnd);
// delete
m_context << u256(0);
StorageItem(m_context, _type).setToZero(SourceLocation(), false);
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
// increment
m_context << u256(1) << eth::Instruction::ADD;
m_context << u256(1) << Instruction::ADD;
m_context.appendJumpTo(loopStart);
// cleanup
m_context << zeroLoopEnd;
m_context << eth::Instruction::POP << eth::Instruction::SWAP1;
m_context << Instruction::POP << Instruction::SWAP1;
// "return"
m_context << eth::Instruction::JUMP;
m_context << Instruction::JUMP;
m_context << returnTag;
solAssert(m_context.stackHeight() == stackHeightStart - 1, "");
@ -779,17 +779,17 @@ void ArrayUtils::convertLengthToSize(ArrayType const& _arrayType, bool _pad) con
{
unsigned baseBytes = _arrayType.baseType()->storageBytes();
if (baseBytes == 0)
m_context << eth::Instruction::POP << u256(1);
m_context << Instruction::POP << u256(1);
else if (baseBytes <= 16)
{
unsigned itemsPerSlot = 32 / baseBytes;
m_context
<< u256(itemsPerSlot - 1) << eth::Instruction::ADD
<< u256(itemsPerSlot) << eth::Instruction::SWAP1 << eth::Instruction::DIV;
<< u256(itemsPerSlot - 1) << Instruction::ADD
<< u256(itemsPerSlot) << Instruction::SWAP1 << Instruction::DIV;
}
}
else
m_context << _arrayType.baseType()->storageSize() << eth::Instruction::MUL;
m_context << _arrayType.baseType()->storageSize() << Instruction::MUL;
}
else
{
@ -799,12 +799,12 @@ void ArrayUtils::convertLengthToSize(ArrayType const& _arrayType, bool _pad) con
m_context << _arrayType.baseType()->memoryHeadSize();
else
m_context << _arrayType.baseType()->calldataEncodedSize();
m_context << eth::Instruction::MUL;
m_context << Instruction::MUL;
}
else if (_pad)
m_context << u256(31) << eth::Instruction::ADD
<< u256(32) << eth::Instruction::DUP1
<< eth::Instruction::SWAP2 << eth::Instruction::DIV << eth::Instruction::MUL;
m_context << u256(31) << Instruction::ADD
<< u256(32) << Instruction::DUP1
<< Instruction::SWAP2 << Instruction::DIV << Instruction::MUL;
}
}
@ -814,27 +814,27 @@ void ArrayUtils::retrieveLength(ArrayType const& _arrayType, unsigned _stackDept
m_context << _arrayType.length();
else
{
m_context << eth::dupInstruction(1 + _stackDepth);
m_context << dupInstruction(1 + _stackDepth);
switch (_arrayType.location())
{
case DataLocation::CallData:
// length is stored on the stack
break;
case DataLocation::Memory:
m_context << eth::Instruction::MLOAD;
m_context << Instruction::MLOAD;
break;
case DataLocation::Storage:
m_context << eth::Instruction::SLOAD;
m_context << Instruction::SLOAD;
if (_arrayType.isByteArray())
{
// Retrieve length both for in-place strings and off-place strings:
// Computes (x & (0x100 * (ISZERO (x & 1)) - 1)) / 2
// i.e. for short strings (x & 1 == 0) it does (x & 0xff) / 2 and for long strings it
// computes (x & (-1)) / 2, which is equivalent to just x / 2.
m_context << u256(1) << eth::Instruction::DUP2 << u256(1) << eth::Instruction::AND;
m_context << eth::Instruction::ISZERO << u256(0x100) << eth::Instruction::MUL;
m_context << eth::Instruction::SUB << eth::Instruction::AND;
m_context << u256(2) << eth::Instruction::SWAP1 << eth::Instruction::DIV;
m_context << u256(1) << Instruction::DUP2 << u256(1) << Instruction::AND;
m_context << Instruction::ISZERO << u256(0x100) << Instruction::MUL;
m_context << Instruction::SUB << Instruction::AND;
m_context << u256(2) << Instruction::SWAP1 << Instruction::DIV;
}
break;
}
@ -852,34 +852,34 @@ void ArrayUtils::accessIndex(ArrayType const& _arrayType, bool _doBoundsCheck) c
ArrayUtils::retrieveLength(_arrayType, 1);
// Stack: ref [length] index length
// check out-of-bounds access
m_context << eth::Instruction::DUP2 << eth::Instruction::LT << eth::Instruction::ISZERO;
m_context << Instruction::DUP2 << Instruction::LT << Instruction::ISZERO;
// out-of-bounds access throws exception
m_context.appendConditionalJumpTo(m_context.errorTag());
}
if (location == DataLocation::CallData && _arrayType.isDynamicallySized())
// remove length if present
m_context << eth::Instruction::SWAP1 << eth::Instruction::POP;
m_context << Instruction::SWAP1 << Instruction::POP;
// stack: <base_ref> <index>
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
// stack: <index> <base_ref>
switch (location)
{
case DataLocation::Memory:
if (_arrayType.isDynamicallySized())
m_context << u256(32) << eth::Instruction::ADD;
m_context << u256(32) << Instruction::ADD;
// fall-through
case DataLocation::CallData:
if (!_arrayType.isByteArray())
{
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
if (location == DataLocation::CallData)
m_context << _arrayType.baseType()->calldataEncodedSize();
else
m_context << u256(_arrayType.memoryHeadSize());
m_context << eth::Instruction::MUL;
m_context << Instruction::MUL;
}
m_context << eth::Instruction::ADD;
m_context << Instruction::ADD;
break;
case DataLocation::Storage:
{
@ -887,16 +887,16 @@ void ArrayUtils::accessIndex(ArrayType const& _arrayType, bool _doBoundsCheck) c
if (_arrayType.isByteArray())
{
// Special case of short byte arrays.
m_context << eth::Instruction::SWAP1;
m_context << eth::Instruction::DUP2 << eth::Instruction::SLOAD;
m_context << u256(1) << eth::Instruction::AND << eth::Instruction::ISZERO;
m_context << Instruction::SWAP1;
m_context << Instruction::DUP2 << Instruction::SLOAD;
m_context << u256(1) << Instruction::AND << Instruction::ISZERO;
// No action needed for short byte arrays.
m_context.appendConditionalJumpTo(endTag);
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
}
if (_arrayType.isDynamicallySized())
CompilerUtils(m_context).computeHashStatic();
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
if (_arrayType.baseType()->storageBytes() <= 16)
{
// stack: <data_ref> <index>
@ -905,22 +905,22 @@ void ArrayUtils::accessIndex(ArrayType const& _arrayType, bool _doBoundsCheck) c
unsigned byteSize = _arrayType.baseType()->storageBytes();
solAssert(byteSize != 0, "");
unsigned itemsPerSlot = 32 / byteSize;
m_context << u256(itemsPerSlot) << eth::Instruction::SWAP2;
m_context << u256(itemsPerSlot) << Instruction::SWAP2;
// stack: itemsPerSlot index data_ref
m_context
<< eth::Instruction::DUP3 << eth::Instruction::DUP3
<< eth::Instruction::DIV << eth::Instruction::ADD
<< Instruction::DUP3 << Instruction::DUP3
<< Instruction::DIV << Instruction::ADD
// stack: itemsPerSlot index (data_ref + index / itemsPerSlot)
<< eth::Instruction::SWAP2 << eth::Instruction::SWAP1
<< eth::Instruction::MOD;
<< Instruction::SWAP2 << Instruction::SWAP1
<< Instruction::MOD;
if (byteSize != 1)
m_context << u256(byteSize) << eth::Instruction::MUL;
m_context << u256(byteSize) << Instruction::MUL;
}
else
{
if (_arrayType.baseType()->storageSize() != 1)
m_context << _arrayType.baseType()->storageSize() << eth::Instruction::MUL;
m_context << eth::Instruction::ADD << u256(0);
m_context << _arrayType.baseType()->storageSize() << Instruction::MUL;
m_context << Instruction::ADD << u256(0);
}
m_context << endTag;
break;
@ -942,27 +942,27 @@ void ArrayUtils::incrementByteOffset(unsigned _byteSize, unsigned _byteOffsetPos
// byteOffset = 0;
// }
if (_byteOffsetPosition > 1)
m_context << eth::swapInstruction(_byteOffsetPosition - 1);
m_context << u256(_byteSize) << eth::Instruction::ADD;
m_context << swapInstruction(_byteOffsetPosition - 1);
m_context << u256(_byteSize) << Instruction::ADD;
if (_byteOffsetPosition > 1)
m_context << eth::swapInstruction(_byteOffsetPosition - 1);
m_context << swapInstruction(_byteOffsetPosition - 1);
// compute, X := (byteOffset + byteSize - 1) / 32, should be 1 iff byteOffset + bytesize > 32
m_context
<< u256(32) << eth::dupInstruction(1 + _byteOffsetPosition) << u256(_byteSize - 1)
<< eth::Instruction::ADD << eth::Instruction::DIV;
<< u256(32) << dupInstruction(1 + _byteOffsetPosition) << u256(_byteSize - 1)
<< Instruction::ADD << Instruction::DIV;
// increment storage offset if X == 1 (just add X to it)
// stack: X
m_context
<< eth::swapInstruction(_storageOffsetPosition) << eth::dupInstruction(_storageOffsetPosition + 1)
<< eth::Instruction::ADD << eth::swapInstruction(_storageOffsetPosition);
<< swapInstruction(_storageOffsetPosition) << dupInstruction(_storageOffsetPosition + 1)
<< Instruction::ADD << swapInstruction(_storageOffsetPosition);
// stack: X
// set source_byte_offset to zero if X == 1 (using source_byte_offset *= 1 - X)
m_context << u256(1) << eth::Instruction::SUB;
m_context << u256(1) << Instruction::SUB;
// stack: 1 - X
if (_byteOffsetPosition == 1)
m_context << eth::Instruction::MUL;
m_context << Instruction::MUL;
else
m_context
<< eth::dupInstruction(_byteOffsetPosition + 1) << eth::Instruction::MUL
<< eth::swapInstruction(_byteOffsetPosition) << eth::Instruction::POP;
<< dupInstruction(_byteOffsetPosition + 1) << Instruction::MUL
<< swapInstruction(_byteOffsetPosition) << Instruction::POP;
}

90
libsolidity/codegen/Compiler.cpp
View File

@ -23,7 +23,7 @@
#include <libsolidity/codegen/Compiler.h>
#include <algorithm>
#include <boost/range/adaptor/reversed.hpp>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include <libethcore/ChainOperationParams.h>
#include <libevmasm/Assembly.h>
#include <libsolidity/inlineasm/AsmCodeGen.h>
@ -92,8 +92,8 @@ void Compiler::compileClone(
m_runtimeSub = size_t(runtimeSub.data());
// stack contains sub size
m_context << eth::Instruction::DUP1 << runtimeSub << u256(0) << eth::Instruction::CODECOPY;
m_context << u256(0) << eth::Instruction::RETURN;
m_context << Instruction::DUP1 << runtimeSub << u256(0) << Instruction::CODECOPY;
m_context << u256(0) << Instruction::RETURN;
appendFunctionsWithoutCode();
@ -164,8 +164,8 @@ void Compiler::packIntoContractCreator(ContractDefinition const& _contract, Comp
m_runtimeSub = size_t(runtimeSub.data());
// stack contains sub size
m_context << eth::Instruction::DUP1 << runtimeSub << u256(0) << eth::Instruction::CODECOPY;
m_context << u256(0) << eth::Instruction::RETURN;
m_context << Instruction::DUP1 << runtimeSub << u256(0) << Instruction::CODECOPY;
m_context << u256(0) << Instruction::RETURN;
// note that we have to include the functions again because of absolute jump labels
appendFunctionsWithoutCode();
@ -208,15 +208,15 @@ void Compiler::appendConstructor(FunctionDefinition const& _constructor)
// argument size is dynamic, use CODESIZE to determine it
m_context.appendProgramSize(); // program itself
// CODESIZE is program plus manually added arguments
m_context << eth::Instruction::CODESIZE << eth::Instruction::SUB;
m_context << Instruction::CODESIZE << Instruction::SUB;
}
else
m_context << u256(argumentSize);
// stack: <memptr> <argument size>
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
m_context.appendProgramSize();
m_context << eth::Instruction::DUP4 << eth::Instruction::CODECOPY;
m_context << eth::Instruction::DUP2 << eth::Instruction::ADD;
m_context << Instruction::DUP4 << Instruction::CODECOPY;
m_context << Instruction::DUP2 << Instruction::ADD;
CompilerUtils(m_context).storeFreeMemoryPointer();
// stack: <memptr>
appendCalldataUnpacker(FunctionType(_constructor).parameterTypes(), true);
@ -235,7 +235,7 @@ void Compiler::appendFunctionSelector(ContractDefinition const& _contract)
// ether with constant gas
if (interfaceFunctions.size() > 5 || fallback)
{
m_context << eth::Instruction::CALLDATASIZE << eth::Instruction::ISZERO;
m_context << Instruction::CALLDATASIZE << Instruction::ISZERO;
m_context.appendConditionalJumpTo(notFound);
}
@ -247,7 +247,7 @@ void Compiler::appendFunctionSelector(ContractDefinition const& _contract)
for (auto const& it: interfaceFunctions)
{
callDataUnpackerEntryPoints.insert(std::make_pair(it.first, m_context.newTag()));
m_context << eth::dupInstruction(1) << u256(FixedHash<4>::Arith(it.first)) << eth::Instruction::EQ;
m_context << dupInstruction(1) << u256(FixedHash<4>::Arith(it.first)) << Instruction::EQ;
m_context.appendConditionalJumpTo(callDataUnpackerEntryPoints.at(it.first));
}
m_context.appendJumpTo(notFound);
@ -264,7 +264,7 @@ void Compiler::appendFunctionSelector(ContractDefinition const& _contract)
// Reject invalid library calls and ether sent to a library.
m_context.appendJumpTo(m_context.errorTag());
else
m_context << eth::Instruction::STOP; // function not found
m_context << Instruction::STOP; // function not found
for (auto const& it: interfaceFunctions)
{
@ -288,7 +288,7 @@ void Compiler::appendCalldataUnpacker(TypePointers const& _typeParameters, bool
//@todo this does not yet support nested dynamic arrays
// Retain the offset pointer as base_offset, the point from which the data offsets are computed.
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
for (TypePointer const& parameterType: _typeParameters)
{
// stack: v1 v2 ... v(k-1) base_offset current_offset
@ -309,15 +309,15 @@ void Compiler::appendCalldataUnpacker(TypePointers const& _typeParameters, bool
if (arrayType.isDynamicallySized())
{
// compute data pointer
m_context << eth::Instruction::DUP1 << eth::Instruction::MLOAD;
m_context << eth::Instruction::DUP3 << eth::Instruction::ADD;
m_context << eth::Instruction::SWAP2 << eth::Instruction::SWAP1;
m_context << u256(0x20) << eth::Instruction::ADD;
m_context << Instruction::DUP1 << Instruction::MLOAD;
m_context << Instruction::DUP3 << Instruction::ADD;
m_context << Instruction::SWAP2 << Instruction::SWAP1;
m_context << u256(0x20) << Instruction::ADD;
}
else
{
m_context << eth::Instruction::DUP1;
m_context << u256(arrayType.calldataEncodedSize(true)) << eth::Instruction::ADD;
m_context << Instruction::DUP1;
m_context << u256(arrayType.calldataEncodedSize(true)) << Instruction::ADD;
}
}
else
@ -329,19 +329,19 @@ void Compiler::appendCalldataUnpacker(TypePointers const& _typeParameters, bool
// put on stack: data_pointer length
CompilerUtils(m_context).loadFromMemoryDynamic(IntegerType(256), !_fromMemory);
// stack: base_offset data_offset next_pointer
m_context << eth::Instruction::SWAP1 << eth::Instruction::DUP3 << eth::Instruction::ADD;
m_context << Instruction::SWAP1 << Instruction::DUP3 << Instruction::ADD;
// stack: base_offset next_pointer data_pointer
// retrieve length
CompilerUtils(m_context).loadFromMemoryDynamic(IntegerType(256), !_fromMemory, true);
// stack: base_offset next_pointer length data_pointer
m_context << eth::Instruction::SWAP2;
m_context << Instruction::SWAP2;
// stack: base_offset data_pointer length next_pointer
}
else
{
// leave the pointer on the stack
m_context << eth::Instruction::DUP1;
m_context << u256(calldataType->calldataEncodedSize()) << eth::Instruction::ADD;
m_context << Instruction::DUP1;
m_context << u256(calldataType->calldataEncodedSize()) << Instruction::ADD;
}
if (arrayType.location() == DataLocation::Memory)
{
@ -355,7 +355,7 @@ void Compiler::appendCalldataUnpacker(TypePointers const& _typeParameters, bool
}
// move base_offset up
CompilerUtils(m_context).moveToStackTop(1 + arrayType.sizeOnStack());
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
}
}
else
@ -363,18 +363,18 @@ void Compiler::appendCalldataUnpacker(TypePointers const& _typeParameters, bool
solAssert(!type->isDynamicallySized(), "Unknown dynamically sized type: " + type->toString());
CompilerUtils(m_context).loadFromMemoryDynamic(*type, !_fromMemory, true);
CompilerUtils(m_context).moveToStackTop(1 + type->sizeOnStack());
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
}
// stack: v1 v2 ... v(k-1) v(k) base_offset mem_offset
}
m_context << eth::Instruction::POP << eth::Instruction::POP;
m_context << Instruction::POP << Instruction::POP;
}
void Compiler::appendReturnValuePacker(TypePointers const& _typeParameters, bool _isLibrary)
{
CompilerUtils utils(m_context);
if (_typeParameters.empty())
m_context << eth::Instruction::STOP;
m_context << Instruction::STOP;
else
{
utils.fetchFreeMemoryPointer();
@ -382,7 +382,7 @@ void Compiler::appendReturnValuePacker(TypePointers const& _typeParameters, bool
// its data to add the needed parts and we avoid a memory copy.
utils.encodeToMemory(_typeParameters, _typeParameters, true, false, _isLibrary);
utils.toSizeAfterFreeMemoryPointer();
m_context << eth::Instruction::RETURN;
m_context << Instruction::RETURN;
}
}
@ -476,12 +476,12 @@ bool Compiler::visit(FunctionDefinition const& _function)
while (stackLayout.back() != int(stackLayout.size() - 1))
if (stackLayout.back() < 0)
{
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
stackLayout.pop_back();
}
else
{
m_context << eth::swapInstruction(stackLayout.size() - stackLayout.back() - 1);
m_context << swapInstruction(stackLayout.size() - stackLayout.back() - 1);
swap(stackLayout[stackLayout.back()], stackLayout.back());
}
//@todo assert that everything is in place now
@ -532,7 +532,7 @@ bool Compiler::visit(InlineAssembly const& _inlineAssembly)
errinfo_comment("Stack too deep, try removing local variables.")
);
for (unsigned i = 0; i < variable->type()->sizeOnStack(); ++i)
_assembly.append(eth::dupInstruction(stackDiff));
_assembly.append(dupInstruction(stackDiff));
}
else
{
@ -572,8 +572,8 @@ bool Compiler::visit(InlineAssembly const& _inlineAssembly)
errinfo_comment("Stack too deep, try removing local variables.")
);
for (unsigned i = 0; i < size; ++i) {
_assembly.append(eth::swapInstruction(stackDiff));
_assembly.append(eth::Instruction::POP);
_assembly.append(swapInstruction(stackDiff));
_assembly.append(Instruction::POP);
}
}
return true;
@ -588,7 +588,7 @@ bool Compiler::visit(IfStatement const& _ifStatement)
StackHeightChecker checker(m_context);
CompilerContext::LocationSetter locationSetter(m_context, _ifStatement);
compileExpression(_ifStatement.condition());
m_context << eth::Instruction::ISZERO;
m_context << Instruction::ISZERO;
eth::AssemblyItem falseTag = m_context.appendConditionalJump();
eth::AssemblyItem endTag = falseTag;
_ifStatement.trueStatement().accept(*this);
@ -615,7 +615,7 @@ bool Compiler::visit(WhileStatement const& _whileStatement)
m_context << loopStart;
compileExpression(_whileStatement.condition());
m_context << eth::Instruction::ISZERO;
m_context << Instruction::ISZERO;
m_context.appendConditionalJumpTo(loopEnd);
_whileStatement.body().accept(*this);
@ -649,7 +649,7 @@ bool Compiler::visit(ForStatement const& _forStatement)
if (_forStatement.condition())
{
compileExpression(*_forStatement.condition());
m_context << eth::Instruction::ISZERO;
m_context << Instruction::ISZERO;
m_context.appendConditionalJumpTo(loopEnd);
}
@ -710,7 +710,7 @@ bool Compiler::visit(Return const& _return)
CompilerUtils(m_context).moveToStackVariable(*retVariable);
}
for (unsigned i = 0; i < m_stackCleanupForReturn; ++i)
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
m_context.appendJumpTo(m_returnTag);
m_context.adjustStackOffset(m_stackCleanupForReturn);
return false;
@ -831,7 +831,7 @@ void Compiler::appendModifierOrFunctionCode()
modifier.body().accept(*this);
for (unsigned i = 0; i < c_stackSurplus; ++i)
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
m_stackCleanupForReturn -= c_stackSurplus;
}
}
@ -855,20 +855,20 @@ eth::Assembly Compiler::cloneRuntime()
{
eth::EVMSchedule schedule;
eth::Assembly a;
a << eth::Instruction::CALLDATASIZE;
a << u256(0) << eth::Instruction::DUP1 << eth::Instruction::CALLDATACOPY;
a << Instruction::CALLDATASIZE;
a << u256(0) << Instruction::DUP1 << Instruction::CALLDATACOPY;
//@todo adjust for larger return values, make this dynamic.
a << u256(0x20) << u256(0) << eth::Instruction::CALLDATASIZE;
a << u256(0x20) << u256(0) << Instruction::CALLDATASIZE;
a << u256(0);
// this is the address which has to be substituted by the linker.
//@todo implement as special "marker" AssemblyItem.
a << u256("0xcafecafecafecafecafecafecafecafecafecafe");
a << u256(schedule.callGas + 10) << eth::Instruction::GAS << eth::Instruction::SUB;
a << eth::Instruction::DELEGATECALL;
a << u256(schedule.callGas + 10) << Instruction::GAS << Instruction::SUB;
a << Instruction::DELEGATECALL;
//Propagate error condition (if DELEGATECALL pushes 0 on stack).
a << eth::Instruction::ISZERO;
a << Instruction::ISZERO;
a.appendJumpI(a.errorTag());
//@todo adjust for larger return values, make this dynamic.
a << u256(0x20) << u256(0) << eth::Instruction::RETURN;
a << u256(0x20) << u256(0) << Instruction::RETURN;
return a;
}

4
libsolidity/codegen/CompilerContext.cpp
View File

@ -166,7 +166,7 @@ pair<u256, unsigned> CompilerContext::storageLocationOfVariable(const Declaratio
CompilerContext& CompilerContext::appendJump(eth::AssemblyItem::JumpType _jumpType)
{
eth::AssemblyItem item(eth::Instruction::JUMP);
eth::AssemblyItem item(Instruction::JUMP);
item.setJumpType(_jumpType);
return *this << item;
}
@ -182,7 +182,7 @@ void CompilerContext::resetVisitedNodes(ASTNode const* _node)
void CompilerContext::injectVersionStampIntoSub(size_t _subIndex)
{
eth::Assembly& sub = m_asm.sub(_subIndex);
sub.injectStart(eth::Instruction::POP);
sub.injectStart(Instruction::POP);
sub.injectStart(fromBigEndian<u256>(binaryVersion()));
}

4
libsolidity/codegen/CompilerContext.h
View File

@ -25,7 +25,7 @@
#include <ostream>
#include <stack>
#include <utility>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include <libevmasm/Assembly.h>
#include <libsolidity/ast/ASTForward.h>
#include <libsolidity/ast/Types.h>
@ -126,7 +126,7 @@ public:
/// Append elements to the current instruction list and adjust @a m_stackOffset.
CompilerContext& operator<<(eth::AssemblyItem const& _item) { m_asm.append(_item); return *this; }
CompilerContext& operator<<(eth::Instruction _instruction) { m_asm.append(_instruction); return *this; }
CompilerContext& operator<<(Instruction _instruction) { m_asm.append(_instruction); return *this; }
CompilerContext& operator<<(u256 const& _value) { m_asm.append(_value); return *this; }
CompilerContext& operator<<(bytes const& _data) { m_asm.append(_data); return *this; }

150
libsolidity/codegen/CompilerUtils.cpp
View File

@ -22,7 +22,7 @@
#include <libsolidity/codegen/CompilerUtils.h>
#include <libsolidity/ast/AST.h>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include <libsolidity/codegen/ArrayUtils.h>
#include <libsolidity/codegen/LValue.h>
@ -45,26 +45,26 @@ void CompilerUtils::initialiseFreeMemoryPointer()
void CompilerUtils::fetchFreeMemoryPointer()
{
m_context << u256(freeMemoryPointer) << eth::Instruction::MLOAD;
m_context << u256(freeMemoryPointer) << Instruction::MLOAD;
}
void CompilerUtils::storeFreeMemoryPointer()
{
m_context << u256(freeMemoryPointer) << eth::Instruction::MSTORE;
m_context << u256(freeMemoryPointer) << Instruction::MSTORE;
}
void CompilerUtils::allocateMemory()
{
fetchFreeMemoryPointer();
m_context << eth::Instruction::SWAP1 << eth::Instruction::DUP2 << eth::Instruction::ADD;
m_context << Instruction::SWAP1 << Instruction::DUP2 << Instruction::ADD;
storeFreeMemoryPointer();
}
void CompilerUtils::toSizeAfterFreeMemoryPointer()
{
fetchFreeMemoryPointer();
m_context << eth::Instruction::DUP1 << eth::Instruction::SWAP2 << eth::Instruction::SUB;
m_context << eth::Instruction::SWAP1;
m_context << Instruction::DUP1 << Instruction::SWAP2 << Instruction::SUB;
m_context << Instruction::SWAP1;
}
unsigned CompilerUtils::loadFromMemory(
@ -87,7 +87,7 @@ void CompilerUtils::loadFromMemoryDynamic(
)
{
if (_keepUpdatedMemoryOffset)
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
if (auto arrayType = dynamic_cast<ArrayType const*>(&_type))
{
@ -95,7 +95,7 @@ void CompilerUtils::loadFromMemoryDynamic(
solAssert(!_fromCalldata, "");
solAssert(_padToWordBoundaries, "");
if (_keepUpdatedMemoryOffset)
m_context << arrayType->memorySize() << eth::Instruction::ADD;
m_context << arrayType->memorySize() << Instruction::ADD;
}
else
{
@ -104,7 +104,7 @@ void CompilerUtils::loadFromMemoryDynamic(
{
// update memory counter
moveToStackTop(_type.sizeOnStack());
m_context << u256(numBytes) << eth::Instruction::ADD;
m_context << u256(numBytes) << Instruction::ADD;
}
}
}
@ -113,7 +113,7 @@ void CompilerUtils::storeInMemory(unsigned _offset)
{
unsigned numBytes = prepareMemoryStore(IntegerType(256), true);
if (numBytes > 0)
m_context << u256(_offset) << eth::Instruction::MSTORE;
m_context << u256(_offset) << Instruction::MSTORE;
}
void CompilerUtils::storeInMemoryDynamic(Type const& _type, bool _padToWordBoundaries)
@ -125,13 +125,13 @@ void CompilerUtils::storeInMemoryDynamic(Type const& _type, bool _padToWordBound
}
else if (auto str = dynamic_cast<StringLiteralType const*>(&_type))
{
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
storeStringData(bytesConstRef(str->value()));
if (_padToWordBoundaries)
m_context << u256(((str->value().size() + 31) / 32) * 32);
else
m_context << u256(str->value().size());
m_context << eth::Instruction::ADD;
m_context << Instruction::ADD;
}
else
{
@ -142,8 +142,8 @@ void CompilerUtils::storeInMemoryDynamic(Type const& _type, bool _padToWordBound
_type.sizeOnStack() == 1,
"Memory store of types with stack size != 1 not implemented."
);
m_context << eth::Instruction::DUP2 << eth::Instruction::MSTORE;
m_context << u256(numBytes) << eth::Instruction::ADD;
m_context << Instruction::DUP2 << Instruction::MSTORE;
m_context << u256(numBytes) << Instruction::ADD;
}
}
}
@ -168,7 +168,7 @@ void CompilerUtils::encodeToMemory(
// of the ith dynamic parameter, which is filled once the dynamic parts are processed.
// store memory start pointer
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
unsigned argSize = CompilerUtils::sizeOnStack(_givenTypes);
unsigned stackPos = 0; // advances through the argument values
@ -180,7 +180,7 @@ void CompilerUtils::encodeToMemory(
if (targetType->isDynamicallySized() && !_copyDynamicDataInPlace)
{
// leave end_of_mem as dyn head pointer
m_context << eth::Instruction::DUP1 << u256(32) << eth::Instruction::ADD;
m_context << Instruction::DUP1 << u256(32) << Instruction::ADD;
dynPointers++;
}
else
@ -222,10 +222,10 @@ void CompilerUtils::encodeToMemory(
if (targetType->isDynamicallySized() && !_copyDynamicDataInPlace)
{
// copy tail pointer (=mem_end - mem_start) to memory
m_context << eth::dupInstruction(2 + dynPointers) << eth::Instruction::DUP2;
m_context << eth::Instruction::SUB;
m_context << eth::dupInstruction(2 + dynPointers - thisDynPointer);
m_context << eth::Instruction::MSTORE;
m_context << dupInstruction(2 + dynPointers) << Instruction::DUP2;
m_context << Instruction::SUB;
m_context << dupInstruction(2 + dynPointers - thisDynPointer);
m_context << Instruction::MSTORE;
// stack: ... <end_of_mem>
if (_givenTypes[i]->category() == Type::Category::StringLiteral)
{
@ -243,13 +243,13 @@ void CompilerUtils::encodeToMemory(
copyToStackTop(argSize - stackPos + dynPointers + 2, arrayType.sizeOnStack());
// stack: ... <end_of_mem> <value...>
// copy length to memory
m_context << eth::dupInstruction(1 + arrayType.sizeOnStack());
m_context << dupInstruction(1 + arrayType.sizeOnStack());
ArrayUtils(m_context).retrieveLength(arrayType, 1);
// stack: ... <end_of_mem> <value...> <end_of_mem'> <length>
storeInMemoryDynamic(IntegerType(256), true);
// stack: ... <end_of_mem> <value...> <end_of_mem''>
// copy the new memory pointer
m_context << eth::swapInstruction(arrayType.sizeOnStack() + 1) << eth::Instruction::POP;
m_context << swapInstruction(arrayType.sizeOnStack() + 1) << Instruction::POP;
// stack: ... <end_of_mem''> <value...>
// copy data part
ArrayUtils(m_context).copyArrayToMemory(arrayType, _padToWordBoundaries);
@ -262,7 +262,7 @@ void CompilerUtils::encodeToMemory(
}
// remove unneeded stack elements (and retain memory pointer)
m_context << eth::swapInstruction(argSize + dynPointers + 1);
m_context << swapInstruction(argSize + dynPointers + 1);
popStackSlots(argSize + dynPointers + 1);
}
@ -272,11 +272,11 @@ void CompilerUtils::zeroInitialiseMemoryArray(ArrayType const& _type)
m_context << repeat;
pushZeroValue(*_type.baseType());
storeInMemoryDynamic(*_type.baseType());
m_context << eth::Instruction::SWAP1 << u256(1) << eth::Instruction::SWAP1;
m_context << eth::Instruction::SUB << eth::Instruction::SWAP1;
m_context << eth::Instruction::DUP2;
m_context << Instruction::SWAP1 << u256(1) << Instruction::SWAP1;
m_context << Instruction::SUB << Instruction::SWAP1;
m_context << Instruction::DUP2;
m_context.appendConditionalJumpTo(repeat);
m_context << eth::Instruction::SWAP1 << eth::Instruction::POP;
m_context << Instruction::SWAP1 << Instruction::POP;
}
void CompilerUtils::memoryCopy()
@ -284,16 +284,16 @@ void CompilerUtils::memoryCopy()
// Stack here: size target source
// stack for call: outsize target size source value contract gas
//@TODO do not use ::CALL if less than 32 bytes?
m_context << eth::Instruction::DUP3 << eth::Instruction::SWAP1;
m_context << Instruction::DUP3 << Instruction::SWAP1;
m_context << u256(0) << u256(identityContractAddress);
// compute gas costs
m_context << u256(32) << eth::Instruction::DUP5 << u256(31) << eth::Instruction::ADD;
m_context << u256(32) << Instruction::DUP5 << u256(31) << Instruction::ADD;
static unsigned c_identityGas = 3;
static unsigned c_identityWordGas = 15;
m_context << eth::Instruction::DIV << u256(c_identityWordGas) << eth::Instruction::MUL;
m_context << u256(c_identityGas) << eth::Instruction::ADD;
m_context << eth::Instruction::CALL;
m_context << eth::Instruction::POP; // ignore return value
m_context << Instruction::DIV << u256(c_identityWordGas) << Instruction::MUL;
m_context << u256(c_identityGas) << Instruction::ADD;
m_context << Instruction::CALL;
m_context << Instruction::POP; // ignore return value
}
void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetType, bool _cleanupNeeded)
@ -317,7 +317,7 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
// conversion from bytes to integer. no need to clean the high bit
// only to shift right because of opposite alignment
IntegerType const& targetIntegerType = dynamic_cast<IntegerType const&>(_targetType);
m_context << (u256(1) << (256 - typeOnStack.numBytes() * 8)) << eth::Instruction::SWAP1 << eth::Instruction::DIV;
m_context << (u256(1) << (256 - typeOnStack.numBytes() * 8)) << Instruction::SWAP1 << Instruction::DIV;
if (targetIntegerType.numBits() < typeOnStack.numBytes() * 8)
convertType(IntegerType(typeOnStack.numBytes() * 8), _targetType, _cleanupNeeded);
}
@ -329,12 +329,12 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
if (targetType.numBytes() < typeOnStack.numBytes())
{
if (targetType.numBytes() == 0)
m_context << eth::Instruction::DUP1 << eth::Instruction::XOR;
m_context << Instruction::DUP1 << Instruction::XOR;
else
{
m_context << (u256(1) << (256 - targetType.numBytes() * 8));
m_context << eth::Instruction::DUP1 << eth::Instruction::SWAP2;
m_context << eth::Instruction::DIV << eth::Instruction::MUL;
m_context << Instruction::DUP1 << Instruction::SWAP2;
m_context << Instruction::DIV << Instruction::MUL;
}
}
}
@ -356,7 +356,7 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
if (auto typeOnStack = dynamic_cast<IntegerType const*>(&_typeOnStack))
if (targetBytesType.numBytes() * 8 > typeOnStack->numBits())
cleanHigherOrderBits(*typeOnStack);
m_context << (u256(1) << (256 - targetBytesType.numBytes() * 8)) << eth::Instruction::MUL;
m_context << (u256(1) << (256 - targetBytesType.numBytes() * 8)) << Instruction::MUL;
}
else if (targetTypeCategory == Type::Category::Enum)
// just clean
@ -406,7 +406,7 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
m_context << storageSize;
allocateMemory();
// stack: mempos
m_context << eth::Instruction::DUP1 << u256(data.size());
m_context << Instruction::DUP1 << u256(data.size());
storeInMemoryDynamic(IntegerType(256));
// stack: mempos datapos
storeStringData(data);
@ -445,18 +445,18 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
// allocate memory
// stack: <source ref> (variably sized) <length>
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
ArrayUtils(m_context).convertLengthToSize(targetType, true);
// stack: <source ref> (variably sized) <length> <size>
if (targetType.isDynamicallySized())
m_context << u256(0x20) << eth::Instruction::ADD;
m_context << u256(0x20) << Instruction::ADD;
allocateMemory();
// stack: <source ref> (variably sized) <length> <mem start>
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
moveIntoStack(2 + stackSize);
if (targetType.isDynamicallySized())
{
m_context << eth::Instruction::DUP2;
m_context << Instruction::DUP2;
storeInMemoryDynamic(IntegerType(256));
}
// stack: <mem start> <source ref> (variably sized) <length> <mem data pos>
@ -468,12 +468,12 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
}
else
{
m_context << u256(0) << eth::Instruction::SWAP1;
m_context << u256(0) << Instruction::SWAP1;
// stack: <mem start> <source ref> (variably sized) <length> <counter> <mem data pos>
auto repeat = m_context.newTag();
m_context << repeat;
m_context << eth::Instruction::DUP3 << eth::Instruction::DUP3;
m_context << eth::Instruction::LT << eth::Instruction::ISZERO;
m_context << Instruction::DUP3 << Instruction::DUP3;
m_context << Instruction::LT << Instruction::ISZERO;
auto loopEnd = m_context.appendConditionalJump();
copyToStackTop(3 + stackSize, stackSize);
copyToStackTop(2 + stackSize, 1);
@ -482,11 +482,11 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
StorageItem(m_context, *typeOnStack.baseType()).retrieveValue(SourceLocation(), true);
convertType(*typeOnStack.baseType(), *targetType.baseType(), _cleanupNeeded);
storeInMemoryDynamic(*targetType.baseType(), true);
m_context << eth::Instruction::SWAP1 << u256(1) << eth::Instruction::ADD;
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1 << u256(1) << Instruction::ADD;
m_context << Instruction::SWAP1;
m_context.appendJumpTo(repeat);
m_context << loopEnd;
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
// stack: <mem start> <source ref> (variably sized) <length> <mem data pos updated>
popStackSlots(2 + stackSize);
@ -540,14 +540,14 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
// stack: <source ref>
m_context << typeOnStack.memorySize();
allocateMemory();
m_context << eth::Instruction::SWAP1 << eth::Instruction::DUP2;
m_context << Instruction::SWAP1 << Instruction::DUP2;
// stack: <memory ptr> <source ref> <memory ptr>
for (auto const& member: typeOnStack.members(nullptr))
{
if (!member.type->canLiveOutsideStorage())
continue;
pair<u256, unsigned> const& offsets = typeOnStack.storageOffsetsOfMember(member.name);
m_context << offsets.first << eth::Instruction::DUP3 << eth::Instruction::ADD;
m_context << offsets.first << Instruction::DUP3 << Instruction::ADD;
m_context << u256(offsets.second);
StorageItem(m_context, *member.type).retrieveValue(SourceLocation(), true);
TypePointer targetMemberType = targetType.memberType(member.name);
@ -555,7 +555,7 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
convertType(*member.type, *targetMemberType, true);
storeInMemoryDynamic(*targetMemberType, true);
}
m_context << eth::Instruction::POP << eth::Instruction::POP;
m_context << Instruction::POP << Instruction::POP;
}
break;
case DataLocation::CallData:
@ -602,13 +602,13 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
// Move it back into its place.
for (unsigned j = 0; j < min(sourceSize, targetSize); ++j)
m_context <<
eth::swapInstruction(depth + targetSize - sourceSize) <<
eth::Instruction::POP;
swapInstruction(depth + targetSize - sourceSize) <<
Instruction::POP;
// Value shrank
for (unsigned j = targetSize; j < sourceSize; ++j)
{
moveToStackTop(depth - 1, 1);
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
// Value grew
if (targetSize > sourceSize)
@ -639,7 +639,7 @@ void CompilerUtils::pushZeroValue(Type const& _type)
m_context << u256(max(32u, _type.calldataEncodedSize()));
allocateMemory();
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
if (auto structType = dynamic_cast<StructType const*>(&_type))
for (auto const& member: structType->members(nullptr))
@ -657,7 +657,7 @@ void CompilerUtils::pushZeroValue(Type const& _type)
}
else if (arrayType->length() > 0)
{
m_context << arrayType->length() << eth::Instruction::SWAP1;
m_context << arrayType->length() << Instruction::SWAP1;
// stack: items_to_do memory_pos
zeroInitialiseMemoryArray(*arrayType);
// stack: updated_memory_pos
@ -667,7 +667,7 @@ void CompilerUtils::pushZeroValue(Type const& _type)
solAssert(false, "Requested initialisation for unknown type: " + _type.toString());
// remove the updated memory pointer
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
void CompilerUtils::moveToStackVariable(VariableDeclaration const& _variable)
@ -683,14 +683,14 @@ void CompilerUtils::moveToStackVariable(VariableDeclaration const& _variable)
errinfo_comment("Stack too deep, try removing local variables.")
);
for (unsigned i = 0; i < size; ++i)
m_context << eth::swapInstruction(stackPosition - size + 1) << eth::Instruction::POP;
m_context << swapInstruction(stackPosition - size + 1) << Instruction::POP;
}
void CompilerUtils::copyToStackTop(unsigned _stackDepth, unsigned _itemSize)
{
solAssert(_stackDepth <= 16, "Stack too deep, try removing local variables.");
for (unsigned i = 0; i < _itemSize; ++i)
m_context << eth::dupInstruction(_stackDepth);
m_context << dupInstruction(_stackDepth);
}
void CompilerUtils::moveToStackTop(unsigned _stackDepth, unsigned _itemSize)
@ -712,14 +712,14 @@ void CompilerUtils::rotateStackUp(unsigned _items)
{
solAssert(_items - 1 <= 16, "Stack too deep, try removing local variables.");
for (unsigned i = 1; i < _items; ++i)
m_context << eth::swapInstruction(_items - i);
m_context << swapInstruction(_items - i);
}
void CompilerUtils::rotateStackDown(unsigned _items)
{
solAssert(_items - 1 <= 16, "Stack too deep, try removing local variables.");
for (unsigned i = 1; i < _items; ++i)
m_context << eth::swapInstruction(i);
m_context << swapInstruction(i);
}
void CompilerUtils::popStackElement(Type const& _type)
@ -730,7 +730,7 @@ void CompilerUtils::popStackElement(Type const& _type)
void CompilerUtils::popStackSlots(size_t _amount)
{
for (size_t i = 0; i < _amount; ++i)
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
unsigned CompilerUtils::sizeOnStack(vector<shared_ptr<Type const>> const& _variableTypes)
@ -744,7 +744,7 @@ unsigned CompilerUtils::sizeOnStack(vector<shared_ptr<Type const>> const& _varia
void CompilerUtils::computeHashStatic()
{
storeInMemory(0);
m_context << u256(32) << u256(0) << eth::Instruction::SHA3;
m_context << u256(32) << u256(0) << Instruction::SHA3;
}
void CompilerUtils::storeStringData(bytesConstRef _data)
@ -758,14 +758,14 @@ void CompilerUtils::storeStringData(bytesConstRef _data)
m_context << h256::Arith(h256(_data.cropped(i), h256::AlignLeft));
storeInMemoryDynamic(IntegerType(256));
}
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
else
{
// stack: mempos mempos_data
m_context.appendData(_data.toBytes());
m_context << u256(_data.size()) << eth::Instruction::SWAP2;
m_context << eth::Instruction::CODECOPY;
m_context << u256(_data.size()) << Instruction::SWAP2;
m_context << Instruction::CODECOPY;
}
}
@ -774,18 +774,18 @@ unsigned CompilerUtils::loadFromMemoryHelper(Type const& _type, bool _fromCallda
unsigned numBytes = _type.calldataEncodedSize(_padToWordBoundaries);
bool leftAligned = _type.category() == Type::Category::FixedBytes;
if (numBytes == 0)
m_context << eth::Instruction::POP << u256(0);
m_context << Instruction::POP << u256(0);
else
{
solAssert(numBytes <= 32, "Static memory load of more than 32 bytes requested.");
m_context << (_fromCalldata ? eth::Instruction::CALLDATALOAD : eth::Instruction::MLOAD);
m_context << (_fromCalldata ? Instruction::CALLDATALOAD : Instruction::MLOAD);
if (numBytes != 32)
{
// add leading or trailing zeros by dividing/multiplying depending on alignment
u256 shiftFactor = u256(1) << ((32 - numBytes) * 8);
m_context << shiftFactor << eth::Instruction::SWAP1 << eth::Instruction::DIV;
m_context << shiftFactor << Instruction::SWAP1 << Instruction::DIV;
if (leftAligned)
m_context << shiftFactor << eth::Instruction::MUL;
m_context << shiftFactor << Instruction::MUL;
}
}
@ -797,9 +797,9 @@ void CompilerUtils::cleanHigherOrderBits(IntegerType const& _typeOnStack)
if (_typeOnStack.numBits() == 256)
return;
else if (_typeOnStack.isSigned())
m_context << u256(_typeOnStack.numBits() / 8 - 1) << eth::Instruction::SIGNEXTEND;
m_context << u256(_typeOnStack.numBits() / 8 - 1) << Instruction::SIGNEXTEND;
else
m_context << ((u256(1) << _typeOnStack.numBits()) - 1) << eth::Instruction::AND;
m_context << ((u256(1) << _typeOnStack.numBits()) - 1) << Instruction::AND;
}
unsigned CompilerUtils::prepareMemoryStore(Type const& _type, bool _padToWordBoundaries) const
@ -807,13 +807,13 @@ unsigned CompilerUtils::prepareMemoryStore(Type const& _type, bool _padToWordBou
unsigned numBytes = _type.calldataEncodedSize(_padToWordBoundaries);
bool leftAligned = _type.category() == Type::Category::FixedBytes;
if (numBytes == 0)
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
else
{
solAssert(numBytes <= 32, "Memory store of more than 32 bytes requested.");
if (numBytes != 32 && !leftAligned && !_padToWordBoundaries)
// shift the value accordingly before storing
m_context << (u256(1) << ((32 - numBytes) * 8)) << eth::Instruction::MUL;
m_context << (u256(1) << ((32 - numBytes) * 8)) << Instruction::MUL;
}
return numBytes;
}

242
libsolidity/codegen/ExpressionCompiler.cpp
View File

@ -75,7 +75,7 @@ void ExpressionCompiler::appendConstStateVariableAccessor(VariableDeclaration co
utils().convertType(*_varDecl.value()->annotation().type, *_varDecl.annotation().type);
// append return
m_context << eth::dupInstruction(_varDecl.annotation().type->sizeOnStack() + 1);
m_context << dupInstruction(_varDecl.annotation().type->sizeOnStack() + 1);
m_context.appendJump(eth::AssemblyItem::JumpType::OutOfFunction);
}
@ -103,13 +103,13 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const&
"Accessors for mapping with dynamically-sized keys not yet implemented."
);
// pop offset
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
// move storage offset to memory.
utils().storeInMemory(32);
// move key to memory.
utils().copyToStackTop(paramTypes.size() - i, 1);
utils().storeInMemory(0);
m_context << u256(64) << u256(0) << eth::Instruction::SHA3;
m_context << u256(64) << u256(0) << Instruction::SHA3;
// push offset
m_context << u256(0);
returnType = mappingType->valueType();
@ -117,7 +117,7 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const&
else if (auto arrayType = dynamic_cast<ArrayType const*>(returnType.get()))
{
// pop offset
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
utils().copyToStackTop(paramTypes.size() - i + 1, 1);
ArrayUtils(m_context).accessIndex(*arrayType);
returnType = arrayType->baseType();
@ -127,12 +127,12 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const&
}
// remove index arguments.
if (paramTypes.size() == 1)
m_context << eth::Instruction::SWAP2 << eth::Instruction::POP << eth::Instruction::SWAP1;
m_context << Instruction::SWAP2 << Instruction::POP << Instruction::SWAP1;
else if (paramTypes.size() >= 2)
{
m_context << eth::swapInstruction(paramTypes.size());
m_context << eth::Instruction::POP;
m_context << eth::swapInstruction(paramTypes.size());
m_context << swapInstruction(paramTypes.size());
m_context << Instruction::POP;
m_context << swapInstruction(paramTypes.size());
utils().popStackSlots(paramTypes.size() - 1);
}
unsigned retSizeOnStack = 0;
@ -141,7 +141,7 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const&
if (StructType const* structType = dynamic_cast<StructType const*>(returnType.get()))
{
// remove offset
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
auto const& names = accessorType.returnParameterNames();
// struct
for (size_t i = 0; i < names.size(); ++i)
@ -152,7 +152,7 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const&
if (!arrayType->isByteArray())
continue;
pair<u256, unsigned> const& offsets = structType->storageOffsetsOfMember(names[i]);
m_context << eth::Instruction::DUP1 << u256(offsets.first) << eth::Instruction::ADD << u256(offsets.second);
m_context << Instruction::DUP1 << u256(offsets.first) << Instruction::ADD << u256(offsets.second);
TypePointer memberType = structType->memberType(names[i]);
StorageItem(m_context, *memberType).retrieveValue(SourceLocation(), true);
utils().convertType(*memberType, *returnTypes[i]);
@ -160,7 +160,7 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const&
retSizeOnStack += returnTypes[i]->sizeOnStack();
}
// remove slot
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
else
{
@ -172,7 +172,7 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const&
}
solAssert(retSizeOnStack == utils().sizeOnStack(returnTypes), "");
solAssert(retSizeOnStack <= 15, "Stack is too deep.");
m_context << eth::dupInstruction(retSizeOnStack + 1);
m_context << dupInstruction(retSizeOnStack + 1);
m_context.appendJump(eth::AssemblyItem::JumpType::OutOfFunction);
}
@ -226,7 +226,7 @@ bool ExpressionCompiler::visit(Assignment const& _assignment)
solAssert(itemSize + lvalueSize <= 16, "Stack too deep, try removing local variables.");
// value [lvalue_ref] updated_value
for (unsigned i = 0; i < itemSize; ++i)
m_context << eth::swapInstruction(itemSize + lvalueSize) << eth::Instruction::POP;
m_context << swapInstruction(itemSize + lvalueSize) << Instruction::POP;
}
}
m_currentLValue->storeValue(*type, _assignment.location());
@ -243,7 +243,7 @@ bool ExpressionCompiler::visit(TupleExpression const& _tuple)
solAssert(!arrayType.isDynamicallySized(), "Cannot create dynamically sized inline array.");
m_context << max(u256(32u), arrayType.memorySize());
utils().allocateMemory();
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
for (auto const& component: _tuple.components())
{
@ -252,7 +252,7 @@ bool ExpressionCompiler::visit(TupleExpression const& _tuple)
utils().storeInMemoryDynamic(*arrayType.baseType(), true);
}
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
else
{
@ -298,13 +298,13 @@ bool ExpressionCompiler::visit(UnaryOperation const& _unaryOperation)
switch (_unaryOperation.getOperator())
{
case Token::Not: // !
m_context << eth::Instruction::ISZERO;
m_context << Instruction::ISZERO;
break;
case Token::BitNot: // ~
m_context << eth::Instruction::NOT;
m_context << Instruction::NOT;
break;
case Token::After: // after
m_context << eth::Instruction::TIMESTAMP << eth::Instruction::ADD;
m_context << Instruction::TIMESTAMP << Instruction::ADD;
break;
case Token::Delete: // delete
solAssert(!!m_currentLValue, "LValue not retrieved.");
@ -319,20 +319,20 @@ bool ExpressionCompiler::visit(UnaryOperation const& _unaryOperation)
{
// store value for later
solAssert(_unaryOperation.annotation().type->sizeOnStack() == 1, "Stack size != 1 not implemented.");
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
if (m_currentLValue->sizeOnStack() > 0)
for (unsigned i = 1 + m_currentLValue->sizeOnStack(); i > 0; --i)
m_context << eth::swapInstruction(i);
m_context << swapInstruction(i);
}
m_context << u256(1);
if (_unaryOperation.getOperator() == Token::Inc)
m_context << eth::Instruction::ADD;
m_context << Instruction::ADD;
else
m_context << eth::Instruction::SWAP1 << eth::Instruction::SUB;
m_context << Instruction::SWAP1 << Instruction::SUB;
// Stack for prefix: [ref...] (*ref)+-1
// Stack for postfix: *ref [ref...] (*ref)+-1
for (unsigned i = m_currentLValue->sizeOnStack(); i > 0; --i)
m_context << eth::swapInstruction(i);
m_context << swapInstruction(i);
m_currentLValue->storeValue(
*_unaryOperation.annotation().type, _unaryOperation.location(),
!_unaryOperation.isPrefixOperation());
@ -342,7 +342,7 @@ bool ExpressionCompiler::visit(UnaryOperation const& _unaryOperation)
// unary add, so basically no-op
break;
case Token::Sub: // -
m_context << u256(0) << eth::Instruction::SUB;
m_context << u256(0) << Instruction::SUB;
break;
default:
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Invalid unary operator: " +
@ -452,7 +452,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
m_context << max(u256(32u), structType.memorySize());
utils().allocateMemory();
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
for (unsigned i = 0; i < arguments.size(); ++i)
{
@ -460,7 +460,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
utils().convertType(*arguments[i]->annotation().type, *functionType->parameterTypes()[i]);
utils().storeInMemoryDynamic(*functionType->parameterTypes()[i]);
}
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
else
{
@ -518,21 +518,21 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
utils().fetchFreeMemoryPointer();
// pushes size
eth::AssemblyItem subroutine = m_context.addSubroutine(assembly);
m_context << eth::Instruction::DUP1 << subroutine;
m_context << eth::Instruction::DUP4 << eth::Instruction::CODECOPY;
m_context << Instruction::DUP1 << subroutine;
m_context << Instruction::DUP4 << Instruction::CODECOPY;
m_context << eth::Instruction::ADD;
m_context << Instruction::ADD;
utils().encodeToMemory(argumentTypes, function.parameterTypes());
// now on stack: memory_end_ptr
// need: size, offset, endowment
utils().toSizeAfterFreeMemoryPointer();
if (function.valueSet())
m_context << eth::dupInstruction(3);
m_context << dupInstruction(3);
else
m_context << u256(0);
m_context << eth::Instruction::CREATE;
m_context << Instruction::CREATE;
if (function.valueSet())
m_context << eth::swapInstruction(1) << eth::Instruction::POP;
m_context << swapInstruction(1) << Instruction::POP;
break;
}
case Location::SetGas:
@ -546,9 +546,9 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
// Its values of gasSet and valueSet is equal to the original function's though.
unsigned stackDepth = (function.gasSet() ? 1 : 0) + (function.valueSet() ? 1 : 0);
if (stackDepth > 0)
m_context << eth::swapInstruction(stackDepth);
m_context << swapInstruction(stackDepth);
if (function.gasSet())
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
break;
}
case Location::SetValue:
@ -557,7 +557,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
// Note that function is not the original function, but the ".value" function.
// Its values of gasSet and valueSet is equal to the original function's though.
if (function.valueSet())
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
arguments.front()->accept(*this);
break;
case Location::Send:
@ -586,7 +586,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
case Location::Selfdestruct:
arguments.front()->accept(*this);
utils().convertType(*arguments.front()->annotation().type, *function.parameterTypes().front(), true);
m_context << eth::Instruction::SUICIDE;
m_context << Instruction::SUICIDE;
break;
case Location::SHA3:
{
@ -599,7 +599,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
utils().fetchFreeMemoryPointer();
utils().encodeToMemory(argumentTypes, TypePointers(), function.padArguments(), true);
utils().toSizeAfterFreeMemoryPointer();
m_context << eth::Instruction::SHA3;
m_context << Instruction::SHA3;
break;
}
case Location::Log0:
@ -622,7 +622,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
false,
true);
utils().toSizeAfterFreeMemoryPointer();
m_context << eth::logInstruction(logNumber);
m_context << logInstruction(logNumber);
break;
}
case Location::Event:
@ -646,7 +646,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
true
);
utils().toSizeAfterFreeMemoryPointer();
m_context << eth::Instruction::SHA3;
m_context << Instruction::SHA3;
}
else
utils().convertType(
@ -676,14 +676,14 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
utils().encodeToMemory(nonIndexedArgTypes, nonIndexedParamTypes);
// need: topic1 ... topicn memsize memstart
utils().toSizeAfterFreeMemoryPointer();
m_context << eth::logInstruction(numIndexed);
m_context << logInstruction(numIndexed);
break;
}
case Location::BlockHash:
{
arguments[0]->accept(*this);
utils().convertType(*arguments[0]->annotation().type, *function.parameterTypes()[0], true);
m_context << eth::Instruction::BLOCKHASH;
m_context << Instruction::BLOCKHASH;
break;
}
case Location::AddMod:
@ -695,9 +695,9 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
utils().convertType(*arguments[2 - i]->annotation().type, IntegerType(256));
}
if (function.location() == Location::AddMod)
m_context << eth::Instruction::ADDMOD;
m_context << Instruction::ADDMOD;
else
m_context << eth::Instruction::MULMOD;
m_context << Instruction::MULMOD;
break;
}
case Location::ECRecover:
@ -710,7 +710,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
{Location::RIPEMD160, 3}};
m_context << contractAddresses.find(function.location())->second;
for (unsigned i = function.sizeOnStack(); i > 0; --i)
m_context << eth::swapInstruction(i);
m_context << swapInstruction(i);
appendExternalFunctionCall(function, arguments);
break;
}
@ -727,13 +727,13 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
make_shared<ArrayType>(DataLocation::Storage);
// get the current length
ArrayUtils(m_context).retrieveLength(*arrayType);
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
// stack: ArrayReference currentLength currentLength
m_context << u256(1) << eth::Instruction::ADD;
m_context << u256(1) << Instruction::ADD;
// stack: ArrayReference currentLength newLength
m_context << eth::Instruction::DUP3 << eth::Instruction::DUP2;
m_context << Instruction::DUP3 << Instruction::DUP2;
ArrayUtils(m_context).resizeDynamicArray(*arrayType);
m_context << eth::Instruction::SWAP2 << eth::Instruction::SWAP1;
m_context << Instruction::SWAP2 << Instruction::SWAP1;
// stack: newLength ArrayReference oldLength
ArrayUtils(m_context).accessIndex(*arrayType, false);
@ -766,36 +766,36 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
// Stack: requested_length
// Allocate at max(MSIZE, freeMemoryPointer)
utils().fetchFreeMemoryPointer();
m_context << eth::Instruction::DUP1 << eth::Instruction::MSIZE;
m_context << eth::Instruction::LT;
m_context << Instruction::DUP1 << Instruction::MSIZE;
m_context << Instruction::LT;
auto initialise = m_context.appendConditionalJump();
// Free memory pointer does not point to empty memory, use MSIZE.
m_context << eth::Instruction::POP;
m_context << eth::Instruction::MSIZE;
m_context << Instruction::POP;
m_context << Instruction::MSIZE;
m_context << initialise;
// Stack: requested_length memptr
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
// Stack: memptr requested_length
// store length
m_context << eth::Instruction::DUP1 << eth::Instruction::DUP3 << eth::Instruction::MSTORE;
m_context << Instruction::DUP1 << Instruction::DUP3 << Instruction::MSTORE;
// Stack: memptr requested_length
// update free memory pointer
m_context << eth::Instruction::DUP1 << arrayType.baseType()->memoryHeadSize();
m_context << eth::Instruction::MUL << u256(32) << eth::Instruction::ADD;
m_context << eth::Instruction::DUP3 << eth::Instruction::ADD;
m_context << Instruction::DUP1 << arrayType.baseType()->memoryHeadSize();
m_context << Instruction::MUL << u256(32) << Instruction::ADD;
m_context << Instruction::DUP3 << Instruction::ADD;
utils().storeFreeMemoryPointer();
// Stack: memptr requested_length
// We only have to initialise if the base type is a not a value type.
if (dynamic_cast<ReferenceType const*>(arrayType.baseType().get()))
{
m_context << eth::Instruction::DUP2 << u256(32) << eth::Instruction::ADD;
m_context << Instruction::DUP2 << u256(32) << Instruction::ADD;
utils().zeroInitialiseMemoryArray(arrayType);
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
else
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
break;
}
default:
@ -876,7 +876,7 @@ void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess)
IntegerType(0, IntegerType::Modifier::Address),
true
);
m_context << eth::Instruction::BALANCE;
m_context << Instruction::BALANCE;
}
else if ((set<string>{"send", "call", "callcode", "delegatecall"}).count(member))
utils().convertType(
@ -894,30 +894,30 @@ void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess)
case Type::Category::Magic:
// we can ignore the kind of magic and only look at the name of the member
if (member == "coinbase")
m_context << eth::Instruction::COINBASE;
m_context << Instruction::COINBASE;
else if (member == "timestamp")
m_context << eth::Instruction::TIMESTAMP;
m_context << Instruction::TIMESTAMP;
else if (member == "difficulty")
m_context << eth::Instruction::DIFFICULTY;
m_context << Instruction::DIFFICULTY;
else if (member == "number")
m_context << eth::Instruction::NUMBER;
m_context << Instruction::NUMBER;
else if (member == "gaslimit")
m_context << eth::Instruction::GASLIMIT;
m_context << Instruction::GASLIMIT;
else if (member == "sender")
m_context << eth::Instruction::CALLER;
m_context << Instruction::CALLER;
else if (member == "value")
m_context << eth::Instruction::CALLVALUE;
m_context << Instruction::CALLVALUE;
else if (member == "origin")
m_context << eth::Instruction::ORIGIN;
m_context << Instruction::ORIGIN;
else if (member == "gas")
m_context << eth::Instruction::GAS;
m_context << Instruction::GAS;
else if (member == "gasprice")
m_context << eth::Instruction::GASPRICE;
m_context << Instruction::GASPRICE;
else if (member == "data")
m_context << u256(0) << eth::Instruction::CALLDATASIZE;
m_context << u256(0) << Instruction::CALLDATASIZE;
else if (member == "sig")
m_context << u256(0) << eth::Instruction::CALLDATALOAD
<< (u256(0xffffffff) << (256 - 32)) << eth::Instruction::AND;
m_context << u256(0) << Instruction::CALLDATALOAD
<< (u256(0xffffffff) << (256 - 32)) << Instruction::AND;
else
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unknown magic member."));
break;
@ -929,13 +929,13 @@ void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess)
case DataLocation::Storage:
{
pair<u256, unsigned> const& offsets = type.storageOffsetsOfMember(member);
m_context << offsets.first << eth::Instruction::ADD << u256(offsets.second);
m_context << offsets.first << Instruction::ADD << u256(offsets.second);
setLValueToStorageItem(_memberAccess);
break;
}
case DataLocation::Memory:
{
m_context << type.memoryOffsetOfMember(member) << eth::Instruction::ADD;
m_context << type.memoryOffsetOfMember(member) << Instruction::ADD;
setLValue<MemoryItem>(_memberAccess, *_memberAccess.annotation().type);
break;
}
@ -986,13 +986,13 @@ void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess)
switch (type.location())
{
case DataLocation::CallData:
m_context << eth::Instruction::SWAP1 << eth::Instruction::POP;
m_context << Instruction::SWAP1 << Instruction::POP;
break;
case DataLocation::Storage:
setLValue<StorageArrayLength>(_memberAccess, type);
break;
case DataLocation::Memory:
m_context << eth::Instruction::MLOAD;
m_context << Instruction::MLOAD;
break;
}
}
@ -1046,7 +1046,7 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
false,
true
);
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
utils().storeInMemoryDynamic(IntegerType(256));
utils().toSizeAfterFreeMemoryPointer();
}
@ -1054,12 +1054,12 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
{
m_context << u256(0); // memory position
appendExpressionCopyToMemory(*keyType, *_indexAccess.indexExpression());
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
solAssert(CompilerUtils::freeMemoryPointer >= 0x40, "");
utils().storeInMemoryDynamic(IntegerType(256));
m_context << u256(0);
}
m_context << eth::Instruction::SHA3;
m_context << Instruction::SHA3;
m_context << u256(0);
setLValueToStorageItem(_indexAccess);
}
@ -1109,12 +1109,12 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
// stack layout: <value> <index>
// check out-of-bounds access
m_context << u256(fixedBytesType.numBytes());
m_context << eth::Instruction::DUP2 << eth::Instruction::LT << eth::Instruction::ISZERO;
m_context << Instruction::DUP2 << Instruction::LT << Instruction::ISZERO;
// out-of-bounds access throws exception
m_context.appendConditionalJumpTo(m_context.errorTag());
m_context << eth::Instruction::BYTE;
m_context << (u256(1) << (256 - 8)) << eth::Instruction::MUL;
m_context << Instruction::BYTE;
m_context << (u256(1) << (256 - 8)) << Instruction::MUL;
}
else if (baseType.category() == Type::Category::TypeType)
{
@ -1139,11 +1139,11 @@ void ExpressionCompiler::endVisit(Identifier const& _identifier)
case Type::Category::Contract:
// "this" or "super"
if (!dynamic_cast<ContractType const&>(*magicVar->type()).isSuper())
m_context << eth::Instruction::ADDRESS;
m_context << Instruction::ADDRESS;
break;
case Type::Category::Integer:
// "now"
m_context << eth::Instruction::TIMESTAMP;
m_context << Instruction::TIMESTAMP;
break;
default:
break;
@ -1208,11 +1208,11 @@ void ExpressionCompiler::appendAndOrOperatorCode(BinaryOperation const& _binaryO
solAssert(c_op == Token::Or || c_op == Token::And, "");
_binaryOperation.leftExpression().accept(*this);
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
if (c_op == Token::And)
m_context << eth::Instruction::ISZERO;
m_context << Instruction::ISZERO;
eth::AssemblyItem endLabel = m_context.appendConditionalJump();
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
_binaryOperation.rightExpression().accept(*this);
m_context << endLabel;
}
@ -1221,9 +1221,9 @@ void ExpressionCompiler::appendCompareOperatorCode(Token::Value _operator, Type
{
if (_operator == Token::Equal || _operator == Token::NotEqual)
{
m_context << eth::Instruction::EQ;
m_context << Instruction::EQ;
if (_operator == Token::NotEqual)
m_context << eth::Instruction::ISZERO;
m_context << Instruction::ISZERO;
}
else
{
@ -1235,19 +1235,19 @@ void ExpressionCompiler::appendCompareOperatorCode(Token::Value _operator, Type
{
case Token::GreaterThanOrEqual:
m_context <<
(isSigned ? eth::Instruction::SLT : eth::Instruction::LT) <<
eth::Instruction::ISZERO;
(isSigned ? Instruction::SLT : Instruction::LT) <<
Instruction::ISZERO;
break;
case Token::LessThanOrEqual:
m_context <<
(isSigned ? eth::Instruction::SGT : eth::Instruction::GT) <<
eth::Instruction::ISZERO;
(isSigned ? Instruction::SGT : Instruction::GT) <<
Instruction::ISZERO;
break;
case Token::GreaterThan:
m_context << (isSigned ? eth::Instruction::SGT : eth::Instruction::GT);
m_context << (isSigned ? Instruction::SGT : Instruction::GT);
break;
case Token::LessThan:
m_context << (isSigned ? eth::Instruction::SLT : eth::Instruction::LT);
m_context << (isSigned ? Instruction::SLT : Instruction::LT);
break;
default:
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unknown comparison operator."));
@ -1275,22 +1275,22 @@ void ExpressionCompiler::appendArithmeticOperatorCode(Token::Value _operator, Ty
switch (_operator)
{
case Token::Add:
m_context << eth::Instruction::ADD;
m_context << Instruction::ADD;
break;
case Token::Sub:
m_context << eth::Instruction::SUB;
m_context << Instruction::SUB;
break;
case Token::Mul:
m_context << eth::Instruction::MUL;
m_context << Instruction::MUL;
break;
case Token::Div:
m_context << (c_isSigned ? eth::Instruction::SDIV : eth::Instruction::DIV);
m_context << (c_isSigned ? Instruction::SDIV : Instruction::DIV);
break;
case Token::Mod:
m_context << (c_isSigned ? eth::Instruction::SMOD : eth::Instruction::MOD);
m_context << (c_isSigned ? Instruction::SMOD : Instruction::MOD);
break;
case Token::Exp:
m_context << eth::Instruction::EXP;
m_context << Instruction::EXP;
break;
default:
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unknown arithmetic operator."));
@ -1302,13 +1302,13 @@ void ExpressionCompiler::appendBitOperatorCode(Token::Value _operator)
switch (_operator)
{
case Token::BitOr:
m_context << eth::Instruction::OR;
m_context << Instruction::OR;
break;
case Token::BitAnd:
m_context << eth::Instruction::AND;
m_context << Instruction::AND;
break;
case Token::BitXor:
m_context << eth::Instruction::XOR;
m_context << Instruction::XOR;
break;
default:
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unknown bit operator."));
@ -1392,7 +1392,7 @@ void ExpressionCompiler::appendExternalFunctionCall(
true
);
for (unsigned i = 0; i < gasValueSize; ++i)
m_context << eth::swapInstruction(gasValueSize - i);
m_context << swapInstruction(gasValueSize - i);
gasStackPos++;
valueStackPos++;
}
@ -1411,7 +1411,7 @@ void ExpressionCompiler::appendExternalFunctionCall(
utils().fetchFreeMemoryPointer();
if (!_functionType.isBareCall() || manualFunctionId)
{
m_context << eth::dupInstruction(2 + gasValueSize + CompilerUtils::sizeOnStack(argumentTypes));
m_context << dupInstruction(2 + gasValueSize + CompilerUtils::sizeOnStack(argumentTypes));
utils().storeInMemoryDynamic(IntegerType(8 * CompilerUtils::dataStartOffset), false);
}
// If the function takes arbitrary parameters, copy dynamic length data in place.
@ -1437,21 +1437,21 @@ void ExpressionCompiler::appendExternalFunctionCall(
// put on stack: <size of output> <memory pos of output> <size of input> <memory pos of input>
m_context << u256(retSize);
utils().fetchFreeMemoryPointer();
m_context << eth::Instruction::DUP1 << eth::Instruction::DUP4 << eth::Instruction::SUB;
m_context << eth::Instruction::DUP2;
m_context << Instruction::DUP1 << Instruction::DUP4 << Instruction::SUB;
m_context << Instruction::DUP2;
// CALL arguments: outSize, outOff, inSize, inOff (already present up to here)
// [value,] addr, gas (stack top)
if (isDelegateCall)
solAssert(!_functionType.valueSet(), "Value set for delegatecall");
else if (_functionType.valueSet())
m_context << eth::dupInstruction(m_context.baseToCurrentStackOffset(valueStackPos));
m_context << dupInstruction(m_context.baseToCurrentStackOffset(valueStackPos));
else
m_context << u256(0);
m_context << eth::dupInstruction(m_context.baseToCurrentStackOffset(contractStackPos));
m_context << dupInstruction(m_context.baseToCurrentStackOffset(contractStackPos));
if (_functionType.gasSet())
m_context << eth::dupInstruction(m_context.baseToCurrentStackOffset(gasStackPos));
m_context << dupInstruction(m_context.baseToCurrentStackOffset(gasStackPos));
else
{
eth::EVMSchedule schedule;
@ -1464,15 +1464,15 @@ void ExpressionCompiler::appendExternalFunctionCall(
gasNeededByCaller += schedule.callNewAccountGas; // we never know
m_context <<
gasNeededByCaller <<
eth::Instruction::GAS <<
eth::Instruction::SUB;
Instruction::GAS <<
Instruction::SUB;
}
if (isDelegateCall)
m_context << eth::Instruction::DELEGATECALL;
m_context << Instruction::DELEGATECALL;
else if (isCallCode)
m_context << eth::Instruction::CALLCODE;
m_context << Instruction::CALLCODE;
else
m_context << eth::Instruction::CALL;
m_context << Instruction::CALL;
unsigned remainsSize =
2 + // contract address, input_memory_end
@ -1481,11 +1481,11 @@ void ExpressionCompiler::appendExternalFunctionCall(
(!_functionType.isBareCall() || manualFunctionId);
if (returnSuccessCondition)
m_context << eth::swapInstruction(remainsSize);
m_context << swapInstruction(remainsSize);
else
{
//Propagate error condition (if CALL pushes 0 on stack).
m_context << eth::Instruction::ISZERO;
m_context << Instruction::ISZERO;
m_context.appendConditionalJumpTo(m_context.errorTag());
}
@ -1515,7 +1515,7 @@ void ExpressionCompiler::appendExternalFunctionCall(
if (memoryNeeded)
utils().storeFreeMemoryPointer();
else
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
}

156
libsolidity/codegen/LValue.cpp
View File

@ -21,7 +21,7 @@
*/
#include <libsolidity/codegen/LValue.h>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include <libsolidity/ast/Types.h>
#include <libsolidity/ast/AST.h>
#include <libsolidity/codegen/CompilerUtils.h>
@ -49,7 +49,7 @@ void StackVariable::retrieveValue(SourceLocation const& _location, bool) const
);
solAssert(stackPos + 1 >= m_size, "Size and stack pos mismatch.");
for (unsigned i = 0; i < m_size; ++i)
m_context << eth::dupInstruction(stackPos + 1);
m_context << dupInstruction(stackPos + 1);
}
void StackVariable::storeValue(Type const&, SourceLocation const& _location, bool _move) const
@ -63,7 +63,7 @@ void StackVariable::storeValue(Type const&, SourceLocation const& _location, boo
);
else if (stackDiff > 0)
for (unsigned i = 0; i < m_size; ++i)
m_context << eth::swapInstruction(stackDiff) << eth::Instruction::POP;
m_context << swapInstruction(stackDiff) << Instruction::POP;
if (!_move)
retrieveValue(_location);
}
@ -85,11 +85,11 @@ void MemoryItem::retrieveValue(SourceLocation const&, bool _remove) const
if (m_dataType->isValueType())
{
if (!_remove)
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
CompilerUtils(m_context).loadFromMemoryDynamic(*m_dataType, false, m_padded, false);
}
else
m_context << eth::Instruction::MLOAD;
m_context << Instruction::MLOAD;
}
void MemoryItem::storeValue(Type const& _sourceType, SourceLocation const&, bool _move) const
@ -109,13 +109,13 @@ void MemoryItem::storeValue(Type const& _sourceType, SourceLocation const&, bool
{
solAssert(m_dataType->calldataEncodedSize(false) == 1, "Invalid non-padded type.");
if (m_dataType->category() == Type::Category::FixedBytes)
m_context << u256(0) << eth::Instruction::BYTE;
m_context << eth::Instruction::SWAP1 << eth::Instruction::MSTORE8;
m_context << u256(0) << Instruction::BYTE;
m_context << Instruction::SWAP1 << Instruction::MSTORE8;
}
else
{
utils.storeInMemoryDynamic(*m_dataType, m_padded);
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
}
else
@ -124,10 +124,10 @@ void MemoryItem::storeValue(Type const& _sourceType, SourceLocation const&, bool
solAssert(m_dataType->sizeOnStack() == 1, "");
if (!_move)
m_context << eth::Instruction::DUP2 << eth::Instruction::SWAP1;
m_context << Instruction::DUP2 << Instruction::SWAP1;
// stack: [value] value lvalue
// only store the reference
m_context << eth::Instruction::MSTORE;
m_context << Instruction::MSTORE;
}
}
@ -135,10 +135,10 @@ void MemoryItem::setToZero(SourceLocation const&, bool _removeReference) const
{
CompilerUtils utils(m_context);
if (!_removeReference)
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
utils.pushZeroValue(*m_dataType);
utils.storeInMemoryDynamic(*m_dataType, m_padded);
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
StorageItem::StorageItem(CompilerContext& _compilerContext, VariableDeclaration const& _declaration):
@ -165,29 +165,29 @@ void StorageItem::retrieveValue(SourceLocation const&, bool _remove) const
{
solAssert(m_dataType->sizeOnStack() == 1, "Invalid storage ref size.");
if (_remove)
m_context << eth::Instruction::POP; // remove byte offset
m_context << Instruction::POP; // remove byte offset
else
m_context << eth::Instruction::DUP2;
m_context << Instruction::DUP2;
return;
}
if (!_remove)
CompilerUtils(m_context).copyToStackTop(sizeOnStack(), sizeOnStack());
if (m_dataType->storageBytes() == 32)
m_context << eth::Instruction::POP << eth::Instruction::SLOAD;
m_context << Instruction::POP << Instruction::SLOAD;
else
{
m_context
<< eth::Instruction::SWAP1 << eth::Instruction::SLOAD << eth::Instruction::SWAP1
<< u256(0x100) << eth::Instruction::EXP << eth::Instruction::SWAP1 << eth::Instruction::DIV;
<< Instruction::SWAP1 << Instruction::SLOAD << Instruction::SWAP1
<< u256(0x100) << Instruction::EXP << Instruction::SWAP1 << Instruction::DIV;
if (m_dataType->category() == Type::Category::FixedBytes)
m_context << (u256(0x1) << (256 - 8 * m_dataType->storageBytes())) << eth::Instruction::MUL;
m_context << (u256(0x1) << (256 - 8 * m_dataType->storageBytes())) << Instruction::MUL;
else if (
m_dataType->category() == Type::Category::Integer &&
dynamic_cast<IntegerType const&>(*m_dataType).isSigned()
)
m_context << u256(m_dataType->storageBytes() - 1) << eth::Instruction::SIGNEXTEND;
m_context << u256(m_dataType->storageBytes() - 1) << Instruction::SIGNEXTEND;
else
m_context << ((u256(0x1) << (8 * m_dataType->storageBytes())) - 1) << eth::Instruction::AND;
m_context << ((u256(0x1) << (8 * m_dataType->storageBytes())) - 1) << Instruction::AND;
}
}
@ -202,32 +202,32 @@ void StorageItem::storeValue(Type const& _sourceType, SourceLocation const& _loc
if (m_dataType->storageBytes() == 32)
{
// offset should be zero
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
if (!_move)
m_context << eth::Instruction::DUP2 << eth::Instruction::SWAP1;
m_context << eth::Instruction::SSTORE;
m_context << Instruction::DUP2 << Instruction::SWAP1;
m_context << Instruction::SSTORE;
}
else
{
// OR the value into the other values in the storage slot
m_context << u256(0x100) << eth::Instruction::EXP;
m_context << u256(0x100) << Instruction::EXP;
// stack: value storage_ref multiplier
// fetch old value
m_context << eth::Instruction::DUP2 << eth::Instruction::SLOAD;
m_context << Instruction::DUP2 << Instruction::SLOAD;
// stack: value storege_ref multiplier old_full_value
// clear bytes in old value
m_context
<< eth::Instruction::DUP2 << ((u256(1) << (8 * m_dataType->storageBytes())) - 1)
<< eth::Instruction::MUL;
m_context << eth::Instruction::NOT << eth::Instruction::AND;
<< Instruction::DUP2 << ((u256(1) << (8 * m_dataType->storageBytes())) - 1)
<< Instruction::MUL;
m_context << Instruction::NOT << Instruction::AND;
// stack: value storage_ref multiplier cleared_value
m_context
<< eth::Instruction::SWAP1 << eth::Instruction::DUP4;
<< Instruction::SWAP1 << Instruction::DUP4;
// stack: value storage_ref cleared_value multiplier value
if (m_dataType->category() == Type::Category::FixedBytes)
m_context
<< (u256(0x1) << (256 - 8 * dynamic_cast<FixedBytesType const&>(*m_dataType).numBytes()))
<< eth::Instruction::SWAP1 << eth::Instruction::DIV;
<< Instruction::SWAP1 << Instruction::DIV;
else if (
m_dataType->category() == Type::Category::Integer &&
dynamic_cast<IntegerType const&>(*m_dataType).isSigned()
@ -235,15 +235,15 @@ void StorageItem::storeValue(Type const& _sourceType, SourceLocation const& _loc
// remove the higher order bits
m_context
<< (u256(1) << (8 * (32 - m_dataType->storageBytes())))
<< eth::Instruction::SWAP1
<< eth::Instruction::DUP2
<< eth::Instruction::MUL
<< eth::Instruction::DIV;
m_context << eth::Instruction::MUL << eth::Instruction::OR;
<< Instruction::SWAP1
<< Instruction::DUP2
<< Instruction::MUL
<< Instruction::DIV;
m_context << Instruction::MUL << Instruction::OR;
// stack: value storage_ref updated_value
m_context << eth::Instruction::SWAP1 << eth::Instruction::SSTORE;
m_context << Instruction::SWAP1 << Instruction::SSTORE;
if (_move)
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
}
else
@ -253,19 +253,19 @@ void StorageItem::storeValue(Type const& _sourceType, SourceLocation const& _loc
"Wrong type conversation for assignment.");
if (m_dataType->category() == Type::Category::Array)
{
m_context << eth::Instruction::POP; // remove byte offset
m_context << Instruction::POP; // remove byte offset
ArrayUtils(m_context).copyArrayToStorage(
dynamic_cast<ArrayType const&>(*m_dataType),
dynamic_cast<ArrayType const&>(_sourceType)
);
if (_move)
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
else if (m_dataType->category() == Type::Category::Struct)
{
// stack layout: source_ref target_ref target_offset
// note that we have structs, so offset should be zero and are ignored
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
auto const& structType = dynamic_cast<StructType const&>(*m_dataType);
auto const& sourceType = dynamic_cast<StructType const&>(_sourceType);
solAssert(
@ -284,7 +284,7 @@ void StorageItem::storeValue(Type const& _sourceType, SourceLocation const& _loc
{
// stack layout: source_ref target_ref
pair<u256, unsigned> const& offsets = sourceType.storageOffsetsOfMember(member.name);
m_context << offsets.first << eth::Instruction::DUP3 << eth::Instruction::ADD;
m_context << offsets.first << Instruction::DUP3 << Instruction::ADD;
m_context << u256(offsets.second);
// stack: source_ref target_ref source_member_ref source_member_off
StorageItem(m_context, *sourceMemberType).retrieveValue(_location, true);
@ -296,13 +296,13 @@ void StorageItem::storeValue(Type const& _sourceType, SourceLocation const& _loc
// stack layout: source_ref target_ref
TypePointer sourceMemberType = sourceType.memberType(member.name);
m_context << sourceType.memoryOffsetOfMember(member.name);
m_context << eth::Instruction::DUP3 << eth::Instruction::ADD;
m_context << Instruction::DUP3 << Instruction::ADD;
MemoryItem(m_context, *sourceMemberType).retrieveValue(_location, true);
// stack layout: source_ref target_ref source_value...
}
unsigned stackSize = sourceMemberType->sizeOnStack();
pair<u256, unsigned> const& offsets = structType.storageOffsetsOfMember(member.name);
m_context << eth::dupInstruction(1 + stackSize) << offsets.first << eth::Instruction::ADD;
m_context << dupInstruction(1 + stackSize) << offsets.first << Instruction::ADD;
m_context << u256(offsets.second);
// stack: source_ref target_ref target_off source_value... target_member_ref target_member_byte_off
StorageItem(m_context, *memberType).storeValue(*sourceMemberType, _location, true);
@ -312,7 +312,7 @@ void StorageItem::storeValue(Type const& _sourceType, SourceLocation const& _loc
if (_move)
utils.popStackSlots(2);
else
m_context << eth::Instruction::SWAP1 << eth::Instruction::POP;
m_context << Instruction::SWAP1 << Instruction::POP;
}
else
BOOST_THROW_EXCEPTION(
@ -344,12 +344,12 @@ void StorageItem::setToZero(SourceLocation const&, bool _removeReference) const
continue;
pair<u256, unsigned> const& offsets = structType.storageOffsetsOfMember(member.name);
m_context
<< offsets.first << eth::Instruction::DUP3 << eth::Instruction::ADD
<< offsets.first << Instruction::DUP3 << Instruction::ADD
<< u256(offsets.second);
StorageItem(m_context, *memberType).setToZero();
}
if (_removeReference)
m_context << eth::Instruction::POP << eth::Instruction::POP;
m_context << Instruction::POP << Instruction::POP;
}
else
{
@ -360,23 +360,23 @@ void StorageItem::setToZero(SourceLocation const&, bool _removeReference) const
{
// offset should be zero
m_context
<< eth::Instruction::POP << u256(0)
<< eth::Instruction::SWAP1 << eth::Instruction::SSTORE;
<< Instruction::POP << u256(0)
<< Instruction::SWAP1 << Instruction::SSTORE;
}
else
{
m_context << u256(0x100) << eth::Instruction::EXP;
m_context << u256(0x100) << Instruction::EXP;
// stack: storage_ref multiplier
// fetch old value
m_context << eth::Instruction::DUP2 << eth::Instruction::SLOAD;
m_context << Instruction::DUP2 << Instruction::SLOAD;
// stack: storege_ref multiplier old_full_value
// clear bytes in old value
m_context
<< eth::Instruction::SWAP1 << ((u256(1) << (8 * m_dataType->storageBytes())) - 1)
<< eth::Instruction::MUL;
m_context << eth::Instruction::NOT << eth::Instruction::AND;
<< Instruction::SWAP1 << ((u256(1) << (8 * m_dataType->storageBytes())) - 1)
<< Instruction::MUL;
m_context << Instruction::NOT << Instruction::AND;
// stack: storage_ref cleared_value
m_context << eth::Instruction::SWAP1 << eth::Instruction::SSTORE;
m_context << Instruction::SWAP1 << Instruction::SSTORE;
}
}
}
@ -393,48 +393,48 @@ void StorageByteArrayElement::retrieveValue(SourceLocation const&, bool _remove)
{
// stack: ref byte_number
if (_remove)
m_context << eth::Instruction::SWAP1 << eth::Instruction::SLOAD
<< eth::Instruction::SWAP1 << eth::Instruction::BYTE;
m_context << Instruction::SWAP1 << Instruction::SLOAD
<< Instruction::SWAP1 << Instruction::BYTE;
else
m_context << eth::Instruction::DUP2 << eth::Instruction::SLOAD
<< eth::Instruction::DUP2 << eth::Instruction::BYTE;
m_context << (u256(1) << (256 - 8)) << eth::Instruction::MUL;
m_context << Instruction::DUP2 << Instruction::SLOAD
<< Instruction::DUP2 << Instruction::BYTE;
m_context << (u256(1) << (256 - 8)) << Instruction::MUL;
}
void StorageByteArrayElement::storeValue(Type const&, SourceLocation const&, bool _move) const
{
// stack: value ref byte_number
m_context << u256(31) << eth::Instruction::SUB << u256(0x100) << eth::Instruction::EXP;
m_context << u256(31) << Instruction::SUB << u256(0x100) << Instruction::EXP;
// stack: value ref (1<<(8*(31-byte_number)))
m_context << eth::Instruction::DUP2 << eth::Instruction::SLOAD;
m_context << Instruction::DUP2 << Instruction::SLOAD;
// stack: value ref (1<<(8*(31-byte_number))) old_full_value
// clear byte in old value
m_context << eth::Instruction::DUP2 << u256(0xff) << eth::Instruction::MUL
<< eth::Instruction::NOT << eth::Instruction::AND;
m_context << Instruction::DUP2 << u256(0xff) << Instruction::MUL
<< Instruction::NOT << Instruction::AND;
// stack: value ref (1<<(32-byte_number)) old_full_value_with_cleared_byte
m_context << eth::Instruction::SWAP1;
m_context << (u256(1) << (256 - 8)) << eth::Instruction::DUP5 << eth::Instruction::DIV
<< eth::Instruction::MUL << eth::Instruction::OR;
m_context << Instruction::SWAP1;
m_context << (u256(1) << (256 - 8)) << Instruction::DUP5 << Instruction::DIV
<< Instruction::MUL << Instruction::OR;
// stack: value ref new_full_value
m_context << eth::Instruction::SWAP1 << eth::Instruction::SSTORE;
m_context << Instruction::SWAP1 << Instruction::SSTORE;
if (_move)
m_context << eth::Instruction::POP;
m_context << Instruction::POP;
}
void StorageByteArrayElement::setToZero(SourceLocation const&, bool _removeReference) const
{
// stack: ref byte_number
if (!_removeReference)
m_context << eth::Instruction::DUP2 << eth::Instruction::DUP2;
m_context << u256(31) << eth::Instruction::SUB << u256(0x100) << eth::Instruction::EXP;
m_context << Instruction::DUP2 << Instruction::DUP2;
m_context << u256(31) << Instruction::SUB << u256(0x100) << Instruction::EXP;
// stack: ref (1<<(8*(31-byte_number)))
m_context << eth::Instruction::DUP2 << eth::Instruction::SLOAD;
m_context << Instruction::DUP2 << Instruction::SLOAD;
// stack: ref (1<<(8*(31-byte_number))) old_full_value
// clear byte in old value
m_context << eth::Instruction::SWAP1 << u256(0xff) << eth::Instruction::MUL;
m_context << eth::Instruction::NOT << eth::Instruction::AND;
m_context << Instruction::SWAP1 << u256(0xff) << Instruction::MUL;
m_context << Instruction::NOT << Instruction::AND;
// stack: ref old_full_value_with_cleared_byte
m_context << eth::Instruction::SWAP1 << eth::Instruction::SSTORE;
m_context << Instruction::SWAP1 << Instruction::SSTORE;
}
StorageArrayLength::StorageArrayLength(CompilerContext& _compilerContext, const ArrayType& _arrayType):
@ -448,22 +448,22 @@ void StorageArrayLength::retrieveValue(SourceLocation const&, bool _remove) cons
{
ArrayUtils(m_context).retrieveLength(m_arrayType);
if (_remove)
m_context << eth::Instruction::SWAP1 << eth::Instruction::POP;
m_context << Instruction::SWAP1 << Instruction::POP;
}
void StorageArrayLength::storeValue(Type const&, SourceLocation const&, bool _move) const
{
if (_move)
m_context << eth::Instruction::SWAP1;
m_context << Instruction::SWAP1;
else
m_context << eth::Instruction::DUP2;
m_context << Instruction::DUP2;
ArrayUtils(m_context).resizeDynamicArray(m_arrayType);
}
void StorageArrayLength::setToZero(SourceLocation const&, bool _removeReference) const
{
if (!_removeReference)
m_context << eth::Instruction::DUP1;
m_context << Instruction::DUP1;
ArrayUtils(m_context).clearDynamicArray(m_arrayType);
}

11
libsolidity/inlineasm/AsmCodeGen.cpp
View File

@ -25,6 +25,7 @@
#include <functional>
#include <libevmasm/Assembly.h>
#include <libevmasm/SourceLocation.h>
#include <libevmasm/Instruction.h>
#include <libsolidity/inlineasm/AsmParser.h>
#include <libsolidity/inlineasm/AsmData.h>
@ -116,7 +117,7 @@ public:
m_identifierAccess = [](assembly::Identifier const&, eth::Assembly&, CodeGenerator::IdentifierContext) { return false; };
}
void operator()(Instruction const& _instruction)
void operator()(dev::solidity::assembly::Instruction const& _instruction)
{
m_state.assembly.append(_instruction.instruction);
}
@ -145,7 +146,7 @@ public:
"Variable inaccessible, too deep inside stack (" + boost::lexical_cast<string>(heightDiff) + ")"
);
else
m_state.assembly.append(eth::dupInstruction(heightDiff));
m_state.assembly.append(solidity::dupInstruction(heightDiff));
return;
}
else if (eth::AssemblyItem const* label = m_state.findLabel(_identifier.name))
@ -196,7 +197,7 @@ public:
//@TODO check height before and after
while (m_state.variables.size() > numVariables)
{
m_state.assembly.append(eth::Instruction::POP);
m_state.assembly.append(solidity::Instruction::POP);
m_state.variables.pop_back();
}
}
@ -215,8 +216,8 @@ private:
);
else
{
m_state.assembly.append(eth::swapInstruction(heightDiff));
m_state.assembly.append(eth::Instruction::POP);
m_state.assembly.append(solidity::swapInstruction(heightDiff));
m_state.assembly.append(solidity::Instruction::POP);
}
return;
}

4
libsolidity/inlineasm/AsmData.h
View File

@ -23,7 +23,7 @@
#pragma once
#include <boost/variant.hpp>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
namespace dev
{
@ -35,7 +35,7 @@ namespace assembly
/// What follows are the AST nodes for assembly.
/// Direct EVM instruction (except PUSHi and JUMPDEST)
struct Instruction { eth::Instruction instruction; };
struct Instruction { solidity::Instruction instruction; };
/// Literal number or string (up to 32 bytes)
struct Literal { bool isNumber; std::string value; };
/// External / internal identifier or label reference

23
libsolidity/inlineasm/AsmParser.cpp
View File

@ -23,7 +23,6 @@
#include <libsolidity/inlineasm/AsmParser.h>
#include <ctype.h>
#include <algorithm>
#include <libevmcore/Instruction.h>
#include <libsolidity/parsing/Scanner.h>
using namespace std;
@ -121,17 +120,17 @@ assembly::Statement Parser::parseExpression()
assembly::Statement Parser::parseElementaryOperation(bool _onlySinglePusher)
{
// Allowed instructions, lowercase names.
static map<string, eth::Instruction> s_instructions;
static map<string, dev::solidity::Instruction> s_instructions;
if (s_instructions.empty())
for (auto const& instruction: eth::c_instructions)
for (auto const& instruction: solidity::c_instructions)
{
if (
instruction.second == eth::Instruction::JUMPDEST ||
(eth::Instruction::PUSH1 <= instruction.second && instruction.second <= eth::Instruction::PUSH32)
instruction.second == solidity::Instruction::JUMPDEST ||
(solidity::Instruction::PUSH1 <= instruction.second && instruction.second <= solidity::Instruction::PUSH32)
)
continue;
string name = instruction.first;
if (instruction.second == eth::Instruction::SUICIDE)
if (instruction.second == solidity::Instruction::SUICIDE)
name = "selfdestruct";
transform(name.begin(), name.end(), name.begin(), [](unsigned char _c) { return tolower(_c); });
s_instructions[name] = instruction.second;
@ -152,10 +151,10 @@ assembly::Statement Parser::parseElementaryOperation(bool _onlySinglePusher)
// first search the set of instructions.
if (s_instructions.count(literal))
{
eth::Instruction const& instr = s_instructions[literal];
dev::solidity::Instruction const& instr = s_instructions[literal];
if (_onlySinglePusher)
{
eth::InstructionInfo info = eth::instructionInfo(instr);
InstructionInfo info = dev::solidity::instructionInfo(instr);
if (info.ret != 1)
fatalParserError("Instruction " + info.name + " not allowed in this context.");
}
@ -200,11 +199,11 @@ FunctionalInstruction Parser::parseFunctionalInstruction(assembly::Statement con
{
if (_instruction.type() != typeid(Instruction))
fatalParserError("Assembly instruction required in front of \"(\")");
eth::Instruction instr = boost::get<Instruction>(_instruction).instruction;
eth::InstructionInfo instrInfo = eth::instructionInfo(instr);
if (eth::Instruction::DUP1 <= instr && instr <= eth::Instruction::DUP16)
solidity::Instruction instr = boost::get<solidity::assembly::Instruction>(_instruction).instruction;
InstructionInfo instrInfo = instructionInfo(instr);
if (solidity::Instruction::DUP1 <= instr && instr <= solidity::Instruction::DUP16)
fatalParserError("DUPi instructions not allowed for functional notation");
if (eth::Instruction::SWAP1 <= instr && instr <= eth::Instruction::SWAP16)
if (solidity::Instruction::SWAP1 <= instr && instr <= solidity::Instruction::SWAP16)
fatalParserError("SWAPi instructions not allowed for functional notation");
expectToken(Token::LParen);

6
libsolidity/interface/GasEstimator.cpp
View File

@ -137,8 +137,8 @@ GasEstimator::GasConsumption GasEstimator::functionalEstimation(
using Id = ExpressionClasses::Id;
using Ids = vector<Id>;
Id hashValue = classes.find(u256(FixedHash<4>::Arith(FixedHash<4>(dev::sha3(_signature)))));
Id calldata = classes.find(eth::Instruction::CALLDATALOAD, Ids{classes.find(u256(0))});
classes.forceEqual(hashValue, eth::Instruction::DIV, Ids{
Id calldata = classes.find(Instruction::CALLDATALOAD, Ids{classes.find(u256(0))});
classes.forceEqual(hashValue, Instruction::DIV, Ids{
calldata,
classes.find(u256(1) << (8 * 28))
});
@ -165,7 +165,7 @@ GasEstimator::GasConsumption GasEstimator::functionalEstimation(
AssemblyItem invalidTag(PushTag, u256(-0x10));
state->feedItem(invalidTag, true);
if (parametersSize > 0)
state->feedItem(eth::swapInstruction(parametersSize));
state->feedItem(swapInstruction(parametersSize));
return PathGasMeter(_items).estimateMax(_offset, state);
}

2
lllc/CMakeLists.txt
View File

@ -6,7 +6,7 @@ file(GLOB HEADERS "*.h")
include_directories(BEFORE ..)
add_executable(${EXECUTABLE} ${SRC_LIST} ${HEADERS})
eth_use(${EXECUTABLE} REQUIRED Solidity::lll Dev::buildinfo)
eth_use(${EXECUTABLE} REQUIRED Solidity::lll Dev::buildinfo Solidity::evmasm)
install( TARGETS ${EXECUTABLE} DESTINATION bin )

3
lllc/main.cpp
View File

@ -25,10 +25,11 @@
#include <liblll/Compiler.h>
#include <libdevcore/CommonIO.h>
#include <libdevcore/CommonData.h>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include "ethereum/BuildInfo.h"
using namespace std;
using namespace dev;
using namespace dev::solidity;
using namespace dev::eth;
void help()

8
solc/CommandLineInterface.cpp
View File

@ -34,7 +34,7 @@
#include <libdevcore/Common.h>
#include <libdevcore/CommonData.h>
#include <libdevcore/CommonIO.h>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include <libsolidity/interface/Version.h>
#include <libsolidity/parsing/Scanner.h>
#include <libsolidity/parsing/Parser.h>
@ -161,11 +161,11 @@ void CommandLineInterface::handleBinary(string const& _contract)
void CommandLineInterface::handleOpcode(string const& _contract)
{
if (m_args.count("output-dir"))
createFile(_contract + ".opcode", eth::disassemble(m_compiler->object(_contract).bytecode));
createFile(_contract + ".opcode", solidity::disassemble(m_compiler->object(_contract).bytecode));
else
{
cout << "Opcodes: " << endl;
cout << eth::disassemble(m_compiler->object(_contract).bytecode);
cout << solidity::disassemble(m_compiler->object(_contract).bytecode);
cout << endl;
}
}
@ -674,7 +674,7 @@ void CommandLineInterface::handleCombinedJSON()
if (requests.count("clone-bin"))
contractData["clone-bin"] = m_compiler->cloneObject(contractName).toHex();
if (requests.count("opcodes"))
contractData["opcodes"] = eth::disassemble(m_compiler->object(contractName).bytecode);
contractData["opcodes"] = solidity::disassemble(m_compiler->object(contractName).bytecode);
if (requests.count("asm"))
{
ostringstream unused;

4
solc/jsonCompiler.cpp
View File

@ -27,7 +27,7 @@
#include <libdevcore/Common.h>
#include <libdevcore/CommonData.h>
#include <libdevcore/CommonIO.h>
#include <libevmcore/Instruction.h>
#include <libevmasm/Instruction.h>
#include <libsolidity/parsing/Scanner.h>
#include <libsolidity/parsing/Parser.h>
#include <libsolidity/ast/ASTPrinter.h>
@ -206,7 +206,7 @@ string compile(StringMap const& _sources, bool _optimize, CStyleReadFileCallback
contractData["interface"] = compiler.interface(contractName);
contractData["bytecode"] = compiler.object(contractName).toHex();
contractData["runtimeBytecode"] = compiler.runtimeObject(contractName).toHex();
contractData["opcodes"] = eth::disassemble(compiler.object(contractName).bytecode);
contractData["opcodes"] = solidity::disassemble(compiler.object(contractName).bytecode);
contractData["functionHashes"] = functionHashes(compiler.contractDefinition(contractName));
contractData["gasEstimates"] = estimateGas(compiler, contractName);
ostringstream unused;

222
test/libsolidity/SolidityExpressionCompiler.cpp
View File

@ -174,7 +174,7 @@ BOOST_AUTO_TEST_CASE(literal_true)
"}\n";
bytes code = compileFirstExpression(sourceCode);
bytes expectation({byte(eth::Instruction::PUSH1), 0x1});
bytes expectation({byte(Instruction::PUSH1), 0x1});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -185,7 +185,7 @@ BOOST_AUTO_TEST_CASE(literal_false)
"}\n";
bytes code = compileFirstExpression(sourceCode);
bytes expectation({byte(eth::Instruction::PUSH1), 0x0});
bytes expectation({byte(Instruction::PUSH1), 0x0});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -196,7 +196,7 @@ BOOST_AUTO_TEST_CASE(int_literal)
"}\n";
bytes code = compileFirstExpression(sourceCode);
bytes expectation({byte(eth::Instruction::PUSH10), 0x12, 0x34, 0x56, 0x78, 0x90,
bytes expectation({byte(Instruction::PUSH10), 0x12, 0x34, 0x56, 0x78, 0x90,
0x12, 0x34, 0x56, 0x78, 0x90});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -212,7 +212,7 @@ BOOST_AUTO_TEST_CASE(int_with_wei_ether_subdenomination)
})";
bytes code = compileFirstExpression(sourceCode);
bytes expectation({byte(eth::Instruction::PUSH1), 0x1});
bytes expectation({byte(Instruction::PUSH1), 0x1});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -227,7 +227,7 @@ BOOST_AUTO_TEST_CASE(int_with_szabo_ether_subdenomination)
})";
bytes code = compileFirstExpression(sourceCode);
bytes expectation({byte(eth::Instruction::PUSH5), 0xe8, 0xd4, 0xa5, 0x10, 0x00});
bytes expectation({byte(Instruction::PUSH5), 0xe8, 0xd4, 0xa5, 0x10, 0x00});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -242,7 +242,7 @@ BOOST_AUTO_TEST_CASE(int_with_finney_ether_subdenomination)
})";
bytes code = compileFirstExpression(sourceCode);
bytes expectation({byte(eth::Instruction::PUSH7), 0x3, 0x8d, 0x7e, 0xa4, 0xc6, 0x80, 0x00});
bytes expectation({byte(Instruction::PUSH7), 0x3, 0x8d, 0x7e, 0xa4, 0xc6, 0x80, 0x00});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -257,7 +257,7 @@ BOOST_AUTO_TEST_CASE(int_with_ether_ether_subdenomination)
})";
bytes code = compileFirstExpression(sourceCode);
bytes expectation({byte(eth::Instruction::PUSH8), 0xd, 0xe0, 0xb6, 0xb3, 0xa7, 0x64, 0x00, 0x00});
bytes expectation({byte(Instruction::PUSH8), 0xd, 0xe0, 0xb6, 0xb3, 0xa7, 0x64, 0x00, 0x00});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -268,12 +268,12 @@ BOOST_AUTO_TEST_CASE(comparison)
"}\n";
bytes code = compileFirstExpression(sourceCode);
bytes expectation({byte(eth::Instruction::PUSH1), 0x1,
byte(eth::Instruction::PUSH2), 0x11, 0xaa,
byte(eth::Instruction::PUSH2), 0x10, 0xaa,
byte(eth::Instruction::LT),
byte(eth::Instruction::EQ),
byte(eth::Instruction::ISZERO)});
bytes expectation({byte(Instruction::PUSH1), 0x1,
byte(Instruction::PUSH2), 0x11, 0xaa,
byte(Instruction::PUSH2), 0x10, 0xaa,
byte(Instruction::LT),
byte(Instruction::EQ),
byte(Instruction::ISZERO)});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -284,22 +284,22 @@ BOOST_AUTO_TEST_CASE(short_circuiting)
"}\n";
bytes code = compileFirstExpression(sourceCode);
bytes expectation({byte(eth::Instruction::PUSH1), 0x12, // 8 + 10
byte(eth::Instruction::PUSH1), 0x4,
byte(eth::Instruction::GT),
byte(eth::Instruction::ISZERO), // after this we have 4 <= 8 + 10
byte(eth::Instruction::DUP1),
byte(eth::Instruction::PUSH1), 0x11,
byte(eth::Instruction::JUMPI), // short-circuit if it is true
byte(eth::Instruction::POP),
byte(eth::Instruction::PUSH1), 0x2,
byte(eth::Instruction::PUSH1), 0x9,
byte(eth::Instruction::EQ),
byte(eth::Instruction::ISZERO), // after this we have 9 != 2
byte(eth::Instruction::JUMPDEST),
byte(eth::Instruction::PUSH1), 0x1,
byte(eth::Instruction::EQ),
byte(eth::Instruction::ISZERO)});
bytes expectation({byte(Instruction::PUSH1), 0x12, // 8 + 10
byte(Instruction::PUSH1), 0x4,
byte(Instruction::GT),
byte(Instruction::ISZERO), // after this we have 4 <= 8 + 10
byte(Instruction::DUP1),
byte(Instruction::PUSH1), 0x11,
byte(Instruction::JUMPI), // short-circuit if it is true
byte(Instruction::POP),
byte(Instruction::PUSH1), 0x2,
byte(Instruction::PUSH1), 0x9,
byte(Instruction::EQ),
byte(Instruction::ISZERO), // after this we have 9 != 2
byte(Instruction::JUMPDEST),
byte(Instruction::PUSH1), 0x1,
byte(Instruction::EQ),
byte(Instruction::ISZERO)});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -309,23 +309,23 @@ BOOST_AUTO_TEST_CASE(arithmetics)
" function f(uint y) { var x = ((((((((y ^ 8) & 7) | 6) - 5) + 4) % 3) / 2) * 1); }"
"}\n";
bytes code = compileFirstExpression(sourceCode, {}, {{"test", "f", "y"}, {"test", "f", "x"}});
bytes expectation({byte(eth::Instruction::PUSH1), 0x1,
byte(eth::Instruction::PUSH1), 0x2,
byte(eth::Instruction::PUSH1), 0x3,
byte(eth::Instruction::PUSH1), 0x4,
byte(eth::Instruction::PUSH1), 0x5,
byte(eth::Instruction::PUSH1), 0x6,
byte(eth::Instruction::PUSH1), 0x7,
byte(eth::Instruction::PUSH1), 0x8,
byte(eth::Instruction::DUP10),
byte(eth::Instruction::XOR),
byte(eth::Instruction::AND),
byte(eth::Instruction::OR),
byte(eth::Instruction::SUB),
byte(eth::Instruction::ADD),
byte(eth::Instruction::MOD),
byte(eth::Instruction::DIV),
byte(eth::Instruction::MUL)});
bytes expectation({byte(Instruction::PUSH1), 0x1,
byte(Instruction::PUSH1), 0x2,
byte(Instruction::PUSH1), 0x3,
byte(Instruction::PUSH1), 0x4,
byte(Instruction::PUSH1), 0x5,
byte(Instruction::PUSH1), 0x6,
byte(Instruction::PUSH1), 0x7,
byte(Instruction::PUSH1), 0x8,
byte(Instruction::DUP10),
byte(Instruction::XOR),
byte(Instruction::AND),
byte(Instruction::OR),
byte(Instruction::SUB),
byte(Instruction::ADD),
byte(Instruction::MOD),
byte(Instruction::DIV),
byte(Instruction::MUL)});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -336,13 +336,13 @@ BOOST_AUTO_TEST_CASE(unary_operators)
"}\n";
bytes code = compileFirstExpression(sourceCode, {}, {{"test", "f", "y"}, {"test", "f", "x"}});
bytes expectation({byte(eth::Instruction::PUSH1), 0x2,
byte(eth::Instruction::DUP3),
byte(eth::Instruction::PUSH1), 0x0,
byte(eth::Instruction::SUB),
byte(eth::Instruction::NOT),
byte(eth::Instruction::EQ),
byte(eth::Instruction::ISZERO)});
bytes expectation({byte(Instruction::PUSH1), 0x2,
byte(Instruction::DUP3),
byte(Instruction::PUSH1), 0x0,
byte(Instruction::SUB),
byte(Instruction::NOT),
byte(Instruction::EQ),
byte(Instruction::ISZERO)});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -354,44 +354,44 @@ BOOST_AUTO_TEST_CASE(unary_inc_dec)
bytes code = compileFirstExpression(sourceCode, {}, {{"test", "f", "a"}, {"test", "f", "x"}});
// Stack: a, x
bytes expectation({byte(eth::Instruction::DUP2),
byte(eth::Instruction::DUP1),
byte(eth::Instruction::PUSH1), 0x1,
byte(eth::Instruction::ADD),
bytes expectation({byte(Instruction::DUP2),
byte(Instruction::DUP1),
byte(Instruction::PUSH1), 0x1,
byte(Instruction::ADD),
// Stack here: a x a (a+1)
byte(eth::Instruction::SWAP3),
byte(eth::Instruction::POP), // first ++
byte(Instruction::SWAP3),
byte(Instruction::POP), // first ++
// Stack here: (a+1) x a
byte(eth::Instruction::DUP3),
byte(eth::Instruction::PUSH1), 0x1,
byte(eth::Instruction::ADD),
byte(Instruction::DUP3),
byte(Instruction::PUSH1), 0x1,
byte(Instruction::ADD),
// Stack here: (a+1) x a (a+2)
byte(eth::Instruction::SWAP3),
byte(eth::Instruction::POP),
byte(Instruction::SWAP3),
byte(Instruction::POP),
// Stack here: (a+2) x a
byte(eth::Instruction::DUP3), // second ++
byte(eth::Instruction::XOR),
byte(Instruction::DUP3), // second ++
byte(Instruction::XOR),
// Stack here: (a+2) x a^(a+2)
byte(eth::Instruction::DUP3),
byte(eth::Instruction::DUP1),
byte(eth::Instruction::PUSH1), 0x1,
byte(eth::Instruction::SWAP1),
byte(eth::Instruction::SUB),
byte(Instruction::DUP3),
byte(Instruction::DUP1),
byte(Instruction::PUSH1), 0x1,
byte(Instruction::SWAP1),
byte(Instruction::SUB),
// Stack here: (a+2) x a^(a+2) (a+2) (a+1)
byte(eth::Instruction::SWAP4),
byte(eth::Instruction::POP), // first --
byte(eth::Instruction::XOR),
byte(Instruction::SWAP4),
byte(Instruction::POP), // first --
byte(Instruction::XOR),
// Stack here: (a+1) x a^(a+2)^(a+2)
byte(eth::Instruction::DUP3),
byte(eth::Instruction::PUSH1), 0x1,
byte(eth::Instruction::SWAP1),
byte(eth::Instruction::SUB),
byte(Instruction::DUP3),
byte(Instruction::PUSH1), 0x1,
byte(Instruction::SWAP1),
byte(Instruction::SUB),
// Stack here: (a+1) x a^(a+2)^(a+2) a
byte(eth::Instruction::SWAP3),
byte(eth::Instruction::POP), // second ++
byte(Instruction::SWAP3),
byte(Instruction::POP), // second ++
// Stack here: a x a^(a+2)^(a+2)
byte(eth::Instruction::DUP3), // will change
byte(eth::Instruction::XOR)});
byte(Instruction::DUP3), // will change
byte(Instruction::XOR)});
// Stack here: a x a^(a+2)^(a+2)^a
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -404,16 +404,16 @@ BOOST_AUTO_TEST_CASE(assignment)
bytes code = compileFirstExpression(sourceCode, {}, {{"test", "f", "a"}, {"test", "f", "b"}});
// Stack: a, b
bytes expectation({byte(eth::Instruction::PUSH1), 0x2,
byte(eth::Instruction::DUP2),
byte(eth::Instruction::DUP4),
byte(eth::Instruction::ADD),
bytes expectation({byte(Instruction::PUSH1), 0x2,
byte(Instruction::DUP2),
byte(Instruction::DUP4),
byte(Instruction::ADD),
// Stack here: a b 2 a+b
byte(eth::Instruction::SWAP3),
byte(eth::Instruction::POP),
byte(eth::Instruction::DUP3),
byte(Instruction::SWAP3),
byte(Instruction::POP),
byte(Instruction::DUP3),
// Stack here: a+b b 2 a+b
byte(eth::Instruction::MUL)});
byte(Instruction::MUL)});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -427,26 +427,26 @@ BOOST_AUTO_TEST_CASE(function_call)
{{"test", "f", "a"}, {"test", "f", "b"}});
// Stack: a, b
bytes expectation({byte(eth::Instruction::PUSH1), 0x02,
byte(eth::Instruction::PUSH1), 0x0c,
byte(eth::Instruction::PUSH1), 0x01,
byte(eth::Instruction::DUP5),
byte(eth::Instruction::ADD),
bytes expectation({byte(Instruction::PUSH1), 0x02,
byte(Instruction::PUSH1), 0x0c,
byte(Instruction::PUSH1), 0x01,
byte(Instruction::DUP5),
byte(Instruction::ADD),
// Stack here: a b 2 <ret label> (a+1)
byte(eth::Instruction::DUP4),
byte(eth::Instruction::PUSH1), 0x13,
byte(eth::Instruction::JUMP),
byte(eth::Instruction::JUMPDEST),
byte(Instruction::DUP4),
byte(Instruction::PUSH1), 0x13,
byte(Instruction::JUMP),
byte(Instruction::JUMPDEST),
// Stack here: a b 2 g(a+1, b)
byte(eth::Instruction::MUL),
byte(Instruction::MUL),
// Stack here: a b g(a+1, b)*2
byte(eth::Instruction::DUP3),
byte(eth::Instruction::ADD),
byte(Instruction::DUP3),
byte(Instruction::ADD),
// Stack here: a b a+g(a+1, b)*2
byte(eth::Instruction::SWAP2),
byte(eth::Instruction::POP),
byte(eth::Instruction::DUP2),
byte(eth::Instruction::JUMPDEST)});
byte(Instruction::SWAP2),
byte(Instruction::POP),
byte(Instruction::DUP2),
byte(Instruction::JUMPDEST)});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -457,7 +457,7 @@ BOOST_AUTO_TEST_CASE(negative_literals_8bits)
"}\n";
bytes code = compileFirstExpression(sourceCode);
bytes expectation(bytes({byte(eth::Instruction::PUSH32)}) + bytes(31, 0xff) + bytes(1, 0x80));
bytes expectation(bytes({byte(Instruction::PUSH32)}) + bytes(31, 0xff) + bytes(1, 0x80));
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -468,7 +468,7 @@ BOOST_AUTO_TEST_CASE(negative_literals_16bits)
"}\n";
bytes code = compileFirstExpression(sourceCode);
bytes expectation(bytes({byte(eth::Instruction::PUSH32)}) + bytes(30, 0xff) + bytes{0xf5, 0x43});
bytes expectation(bytes({byte(Instruction::PUSH32)}) + bytes(30, 0xff) + bytes{0xf5, 0x43});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -481,7 +481,7 @@ BOOST_AUTO_TEST_CASE(intermediately_overflowing_literals)
"}\n";
bytes code = compileFirstExpression(sourceCode);
bytes expectation(bytes({byte(eth::Instruction::PUSH1), 0xbf}));
bytes expectation(bytes({byte(Instruction::PUSH1), 0xbf}));
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}
@ -495,8 +495,8 @@ BOOST_AUTO_TEST_CASE(blockhash)
bytes code = compileFirstExpression(sourceCode, {}, {},
{make_shared<MagicVariableDeclaration>("block", make_shared<MagicType>(MagicType::Kind::Block))});
bytes expectation({byte(eth::Instruction::PUSH1), 0x03,
byte(eth::Instruction::BLOCKHASH)});
bytes expectation({byte(Instruction::PUSH1), 0x03,
byte(Instruction::BLOCKHASH)});
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
}

38
test/libsolidity/SolidityOptimizer.cpp
View File

@ -58,11 +58,11 @@ public:
m_optimize = true;
bytes optimizedBytecode = compileAndRun(_sourceCode, _value, _contractName);
size_t nonOptimizedSize = 0;
eth::eachInstruction(nonOptimizedBytecode, [&](Instruction, u256 const&) {
solidity::eachInstruction(nonOptimizedBytecode, [&](Instruction, u256 const&) {
nonOptimizedSize++;
});
size_t optimizedSize = 0;
eth::eachInstruction(optimizedBytecode, [&](Instruction, u256 const&) {
solidity::eachInstruction(optimizedBytecode, [&](Instruction, u256 const&) {
optimizedSize++;
});
BOOST_CHECK_MESSAGE(
@ -308,8 +308,8 @@ BOOST_AUTO_TEST_CASE(retain_information_in_branches)
m_optimize = true;
bytes optimizedBytecode = compileAndRun(sourceCode, 0, "c");
size_t numSHA3s = 0;
eth::eachInstruction(optimizedBytecode, [&](Instruction _instr, u256 const&) {
if (_instr == eth::Instruction::SHA3)
eachInstruction(optimizedBytecode, [&](Instruction _instr, u256 const&) {
if (_instr == Instruction::SHA3)
numSHA3s++;
});
BOOST_CHECK_EQUAL(1, numSHA3s);
@ -351,8 +351,8 @@ BOOST_AUTO_TEST_CASE(store_tags_as_unions)
m_optimize = true;
bytes optimizedBytecode = compileAndRun(sourceCode, 0, "test");
size_t numSHA3s = 0;
eth::eachInstruction(optimizedBytecode, [&](Instruction _instr, u256 const&) {
if (_instr == eth::Instruction::SHA3)
eachInstruction(optimizedBytecode, [&](Instruction _instr, u256 const&) {
if (_instr == Instruction::SHA3)
numSHA3s++;
});
// TEST DISABLED UNTIL 93693404 IS IMPLEMENTED
@ -1071,16 +1071,16 @@ BOOST_AUTO_TEST_CASE(block_deduplicator)
AssemblyItem(PushTag, 1),
AssemblyItem(PushTag, 3),
u256(6),
eth::Instruction::SWAP3,
eth::Instruction::JUMP,
Instruction::SWAP3,
Instruction::JUMP,
AssemblyItem(Tag, 1),
u256(6),
eth::Instruction::SWAP3,
eth::Instruction::JUMP,
Instruction::SWAP3,
Instruction::JUMP,
AssemblyItem(Tag, 2),
u256(6),
eth::Instruction::SWAP3,
eth::Instruction::JUMP,
Instruction::SWAP3,
Instruction::JUMP,
AssemblyItem(Tag, 3)
};
BlockDeduplicator dedup(input);
@ -1097,23 +1097,23 @@ BOOST_AUTO_TEST_CASE(block_deduplicator_loops)
{
AssemblyItems input{
u256(0),
eth::Instruction::SLOAD,
Instruction::SLOAD,
AssemblyItem(PushTag, 1),
AssemblyItem(PushTag, 2),
eth::Instruction::JUMPI,
eth::Instruction::JUMP,
Instruction::JUMPI,
Instruction::JUMP,
AssemblyItem(Tag, 1),
u256(5),
u256(6),
eth::Instruction::SSTORE,
Instruction::SSTORE,
AssemblyItem(PushTag, 1),
eth::Instruction::JUMP,
Instruction::JUMP,
AssemblyItem(Tag, 2),
u256(5),
u256(6),
eth::Instruction::SSTORE,
Instruction::SSTORE,
AssemblyItem(PushTag, 2),
eth::Instruction::JUMP,
Instruction::JUMP,
};
BlockDeduplicator dedup(input);
dedup.deduplicate();