solidity/test/libevmasm/Assembler.cpp
Daniel Kirchner e255c15227 Tests.
2020-03-24 16:45:31 +01:00

259 lines
9.7 KiB
C++

/*
This file is part of solidity.
solidity 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.
solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Alex Beregszaszi
* @date 2018
* Tests for the assembler.
*/
#include <libsolutil/JSON.h>
#include <libevmasm/Assembly.h>
#include <boost/test/unit_test.hpp>
#include <string>
#include <tuple>
#include <memory>
using namespace std;
using namespace solidity::langutil;
using namespace solidity::evmasm;
namespace solidity::frontend::test
{
namespace
{
void checkCompilation(evmasm::Assembly const& _assembly)
{
LinkerObject output = _assembly.assemble();
BOOST_CHECK(output.bytecode.size() > 0);
BOOST_CHECK(output.toHex().length() > 0);
}
}
BOOST_AUTO_TEST_SUITE(Assembler)
BOOST_AUTO_TEST_CASE(all_assembly_items)
{
map<string, unsigned> indices = {
{ "root.asm", 0 },
{ "sub.asm", 1 }
};
Assembly _assembly;
auto root_asm = make_shared<CharStream>("lorem ipsum", "root.asm");
_assembly.setSourceLocation({1, 3, root_asm});
Assembly _subAsm;
auto sub_asm = make_shared<CharStream>("lorem ipsum", "sub.asm");
_subAsm.setSourceLocation({6, 8, sub_asm});
// PushImmutable
_subAsm.appendImmutable("someImmutable");
_subAsm.append(Instruction::INVALID);
shared_ptr<Assembly> _subAsmPtr = make_shared<Assembly>(_subAsm);
// Tag
auto tag = _assembly.newTag();
_assembly.append(tag);
// Operation
_assembly.append(u256(1));
_assembly.append(u256(2));
// Push
_assembly.append(Instruction::KECCAK256);
// PushProgramSize
_assembly.appendProgramSize();
// PushLibraryAddress
_assembly.appendLibraryAddress("someLibrary");
// PushTag + Operation
_assembly.appendJump(tag);
// PushData
_assembly.append(bytes{0x1, 0x2, 0x3, 0x4});
// PushSubSize
auto sub = _assembly.appendSubroutine(_subAsmPtr);
// PushSub
_assembly.pushSubroutineOffset(size_t(sub.data()));
// PushDeployTimeAddress
_assembly.append(PushDeployTimeAddress);
// AssignImmutable.
// Note that since there is no reference to "someOtherImmutable", this will compile to a simple POP in the hex output.
_assembly.appendImmutableAssignment("someOtherImmutable");
_assembly.append(u256(2));
_assembly.appendImmutableAssignment("someImmutable");
// Operation
_assembly.append(Instruction::STOP);
_assembly.appendAuxiliaryDataToEnd(bytes{0x42, 0x66});
_assembly.appendAuxiliaryDataToEnd(bytes{0xee, 0xaa});
checkCompilation(_assembly);
BOOST_CHECK_EQUAL(
_assembly.assemble().toHex(),
"5b6001600220606f73__$bf005014d9d0f534b8fcb268bd84c491a2$__"
"60005660676022604573000000000000000000000000000000000000000050"
"60028060015250"
"00fe"
"7f0000000000000000000000000000000000000000000000000000000000000000"
"fe010203044266eeaa"
);
BOOST_CHECK_EQUAL(
_assembly.assemblyString(),
" /* \"root.asm\":1:3 */\n"
"tag_1:\n"
" keccak256(0x02, 0x01)\n"
" bytecodeSize\n"
" linkerSymbol(\"bf005014d9d0f534b8fcb268bd84c491a2380f4acd260d1ccfe9cd8201f7e994\")\n"
" jump(tag_1)\n"
" data_a6885b3731702da62e8e4a8f584ac46a7f6822f4e2ba50fba902f67b1588d23b\n"
" dataSize(sub_0)\n"
" dataOffset(sub_0)\n"
" deployTimeAddress()\n"
" assignImmutable(\"0xc3978657661c4d8e32e3d5f42597c009f0d3859e9f9d0d94325268f9799e2bfb\")\n"
" 0x02\n"
" assignImmutable(\"0x26f2c0195e9d408feff3abd77d83f2971f3c9a18d1e8a9437c7835ae4211fc9f\")\n"
" stop\n"
"stop\n"
"data_a6885b3731702da62e8e4a8f584ac46a7f6822f4e2ba50fba902f67b1588d23b 01020304\n"
"\n"
"sub_0: assembly {\n"
" /* \"sub.asm\":6:8 */\n"
" immutable(\"0x26f2c0195e9d408feff3abd77d83f2971f3c9a18d1e8a9437c7835ae4211fc9f\")\n"
" invalid\n"
"}\n"
"\n"
"auxdata: 0x4266eeaa\n"
);
BOOST_CHECK_EQUAL(
util::jsonCompactPrint(_assembly.assemblyJSON(indices)),
"{\".auxdata\":\"4266eeaa\",\".code\":["
"{\"begin\":1,\"end\":3,\"name\":\"tag\",\"source\":0,\"value\":\"1\"},"
"{\"begin\":1,\"end\":3,\"name\":\"JUMPDEST\",\"source\":0},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSH\",\"source\":0,\"value\":\"1\"},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSH\",\"source\":0,\"value\":\"2\"},"
"{\"begin\":1,\"end\":3,\"name\":\"KECCAK256\",\"source\":0},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSHSIZE\",\"source\":0},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSHLIB\",\"source\":0,\"value\":\"someLibrary\"},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSH [tag]\",\"source\":0,\"value\":\"1\"},"
"{\"begin\":1,\"end\":3,\"name\":\"JUMP\",\"source\":0},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSH data\",\"source\":0,\"value\":\"A6885B3731702DA62E8E4A8F584AC46A7F6822F4E2BA50FBA902F67B1588D23B\"},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSH #[$]\",\"source\":0,\"value\":\"0000000000000000000000000000000000000000000000000000000000000000\"},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSH [$]\",\"source\":0,\"value\":\"0000000000000000000000000000000000000000000000000000000000000000\"},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSHDEPLOYADDRESS\",\"source\":0},"
"{\"begin\":1,\"end\":3,\"name\":\"ASSIGNIMMUTABLE\",\"source\":0,\"value\":\"someOtherImmutable\"},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSH\",\"source\":0,\"value\":\"2\"},"
"{\"begin\":1,\"end\":3,\"name\":\"ASSIGNIMMUTABLE\",\"source\":0,\"value\":\"someImmutable\"},"
"{\"begin\":1,\"end\":3,\"name\":\"STOP\",\"source\":0}"
"],\".data\":{\"0\":{\".code\":["
"{\"begin\":6,\"end\":8,\"name\":\"PUSHIMMUTABLE\",\"source\":1,\"value\":\"someImmutable\"},"
"{\"begin\":6,\"end\":8,\"name\":\"INVALID\",\"source\":1}"
"]},\"A6885B3731702DA62E8E4A8F584AC46A7F6822F4E2BA50FBA902F67B1588D23B\":\"01020304\"}}"
);
}
BOOST_AUTO_TEST_CASE(immutable)
{
map<string, unsigned> indices = {
{ "root.asm", 0 },
{ "sub.asm", 1 }
};
Assembly _assembly;
auto root_asm = make_shared<CharStream>("lorem ipsum", "root.asm");
_assembly.setSourceLocation({1, 3, root_asm});
Assembly _subAsm;
auto sub_asm = make_shared<CharStream>("lorem ipsum", "sub.asm");
_subAsm.setSourceLocation({6, 8, sub_asm});
_subAsm.appendImmutable("someImmutable");
_subAsm.appendImmutable("someOtherImmutable");
_subAsm.appendImmutable("someImmutable");
shared_ptr<Assembly> _subAsmPtr = make_shared<Assembly>(_subAsm);
_assembly.append(u256(42));
_assembly.appendImmutableAssignment("someImmutable");
_assembly.append(u256(23));
_assembly.appendImmutableAssignment("someOtherImmutable");
auto sub = _assembly.appendSubroutine(_subAsmPtr);
_assembly.pushSubroutineOffset(size_t(sub.data()));
checkCompilation(_assembly);
BOOST_CHECK_EQUAL(
_assembly.assemble().toHex(),
// root.asm
// assign "someImmutable"
"602a" // PUSH1 42 - value for someImmutable
"80" // DUP1
"6001" // PUSH1 1 - offset of first someImmutable in sub_0
"52" // MSTORE
"80" // DUP1
"6043" // PUSH1 67 - offset of second someImmutable in sub_0
"52" // MSTORE
"50" // POP
// assign "someOtherImmutable"
"6017" // PUSH1 23 - value for someOtherImmutable
"80" // DUP1
"6022" // PUSH1 34 - offset of someOtherImmutable in sub_0
"52" // MSTORE
"50" // POP
"6063" // PUSH1 0x63 - dataSize(sub_0)
"6017" // PUSH1 0x17 - dataOffset(sub_0)
"fe" // INVALID
// end of root.asm
// sub.asm
"7f0000000000000000000000000000000000000000000000000000000000000000" // PUSHIMMUTABLE someImmutable - data at offset 1
"7f0000000000000000000000000000000000000000000000000000000000000000" // PUSHIMMUTABLE someOtherImmutable - data at offset 34
"7f0000000000000000000000000000000000000000000000000000000000000000" // PUSHIMMUTABLE someImmutable - data at offset 67
);
BOOST_CHECK_EQUAL(
_assembly.assemblyString(),
" /* \"root.asm\":1:3 */\n"
" 0x2a\n"
" assignImmutable(\"0x26f2c0195e9d408feff3abd77d83f2971f3c9a18d1e8a9437c7835ae4211fc9f\")\n"
" 0x17\n"
" assignImmutable(\"0xc3978657661c4d8e32e3d5f42597c009f0d3859e9f9d0d94325268f9799e2bfb\")\n"
" dataSize(sub_0)\n"
" dataOffset(sub_0)\n"
"stop\n"
"\n"
"sub_0: assembly {\n"
" /* \"sub.asm\":6:8 */\n"
" immutable(\"0x26f2c0195e9d408feff3abd77d83f2971f3c9a18d1e8a9437c7835ae4211fc9f\")\n"
" immutable(\"0xc3978657661c4d8e32e3d5f42597c009f0d3859e9f9d0d94325268f9799e2bfb\")\n"
" immutable(\"0x26f2c0195e9d408feff3abd77d83f2971f3c9a18d1e8a9437c7835ae4211fc9f\")\n"
"}\n"
);
BOOST_CHECK_EQUAL(
util::jsonCompactPrint(_assembly.assemblyJSON(indices)),
"{\".code\":["
"{\"begin\":1,\"end\":3,\"name\":\"PUSH\",\"source\":0,\"value\":\"2A\"},"
"{\"begin\":1,\"end\":3,\"name\":\"ASSIGNIMMUTABLE\",\"source\":0,\"value\":\"someImmutable\"},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSH\",\"source\":0,\"value\":\"17\"},"
"{\"begin\":1,\"end\":3,\"name\":\"ASSIGNIMMUTABLE\",\"source\":0,\"value\":\"someOtherImmutable\"},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSH #[$]\",\"source\":0,\"value\":\"0000000000000000000000000000000000000000000000000000000000000000\"},"
"{\"begin\":1,\"end\":3,\"name\":\"PUSH [$]\",\"source\":0,\"value\":\"0000000000000000000000000000000000000000000000000000000000000000\"}"
"],\".data\":{\"0\":{\".code\":["
"{\"begin\":6,\"end\":8,\"name\":\"PUSHIMMUTABLE\",\"source\":1,\"value\":\"someImmutable\"},"
"{\"begin\":6,\"end\":8,\"name\":\"PUSHIMMUTABLE\",\"source\":1,\"value\":\"someOtherImmutable\"},"
"{\"begin\":6,\"end\":8,\"name\":\"PUSHIMMUTABLE\",\"source\":1,\"value\":\"someImmutable\"}"
"]}}}"
);
}
BOOST_AUTO_TEST_SUITE_END()
} // end namespaces