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Merge remote-tracking branch 'origin/develop' into develop_060

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This commit is contained in:
chriseth 2019-10-31 18:03:25 +01:00
commit 42b8c98567
6 changed files with 22 additions and 10 deletions
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3
docs/resources.rst
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@ -127,6 +127,9 @@ Solidity Tools
* `Universal Mutator <https://github.com/agroce/universalmutator>`_ * `Universal Mutator <https://github.com/agroce/universalmutator>`_
A tool for mutation generation, with configurable rules and support for Solidity and Vyper. A tool for mutation generation, with configurable rules and support for Solidity and Vyper.
* `PIET <https://piet.slock.it/>`_
A tool to develop, audit and use solidity smart contracts through a simple graphical interface.
.. note:: .. note::
Information like variable names, comments, and source code formatting is lost in the compilation process and it is not possible to completely recover the original source code. Decompiling smart contracts to view the original source code might not be possible, or the end result that useful. Information like variable names, comments, and source code formatting is lost in the compilation process and it is not possible to completely recover the original source code. Decompiling smart contracts to view the original source code might not be possible, or the end result that useful.

4
libevmasm/Instruction.cpp
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@ -356,13 +356,13 @@ string dev::eth::disassemble(bytes const& _mem)
stringstream ret; stringstream ret;
eachInstruction(_mem, [&](Instruction _instr, u256 const& _data) { eachInstruction(_mem, [&](Instruction _instr, u256 const& _data) {
if (!isValidInstruction(_instr)) if (!isValidInstruction(_instr))
ret << "0x" << hex << int(_instr) << " "; ret << "0x" << std::uppercase << std::hex << int(_instr) << " ";
else else
{ {
InstructionInfo info = instructionInfo(_instr); InstructionInfo info = instructionInfo(_instr);
ret << info.name << " "; ret << info.name << " ";
if (info.additional) if (info.additional)
ret << "0x" << hex << _data << " "; ret << "0x" << std::uppercase << std::hex << _data << " ";
} }
}); });
return ret.str(); return ret.str();

2
libyul/backends/wasm/EWasmToText.cpp
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@ -165,7 +165,7 @@ string EWasmToText::transform(wasm::FunctionDefinition const& _function)
ret += " (result i64)\n"; ret += " (result i64)\n";
for (auto const& local: _function.locals) for (auto const& local: _function.locals)
ret += " (local $" + local.variableName + " i64)\n"; ret += " (local $" + local.variableName + " i64)\n";
ret += indented(joinTransformed(_function.body)); ret += indented(joinTransformed(_function.body, '\n'));
if (ret.back() != '\n') if (ret.back() != '\n')
ret += '\n'; ret += '\n';
ret += ")\n"; ret += ")\n";

2
solc/CommandLineInterface.cpp
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@ -305,7 +305,7 @@ void CommandLineInterface::handleOpcode(string const& _contract)
else else
{ {
sout() << "Opcodes: " << endl; sout() << "Opcodes: " << endl;
sout() << dev::eth::disassemble(m_compiler->object(_contract).bytecode); sout() << std::uppercase << dev::eth::disassemble(m_compiler->object(_contract).bytecode);
sout() << endl; sout() << endl;
} }
} }

19
test/cmdlineTests/standard_eWasm_requested/output.json
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@ -15,8 +15,12 @@
(set_local $_2 (i64.const 65280)) (set_local $_2 (i64.const 65280))
(set_local $hi (i64.shl (i64.or (i64.shl (i64.or (i64.and (i64.shl (get_local $_1) (i64.const 8)) (get_local $_2)) (i64.and (i64.shr_u (get_local $_1) (i64.const 8)) (i64.const 255))) (i64.const 16)) (call $endian_swap_16 (i64.shr_u (get_local $_1) (i64.const 16)))) (i64.const 32))) (set_local $hi (i64.shl (i64.or (i64.shl (i64.or (i64.and (i64.shl (get_local $_1) (i64.const 8)) (get_local $_2)) (i64.and (i64.shr_u (get_local $_1) (i64.const 8)) (i64.const 255))) (i64.const 16)) (call $endian_swap_16 (i64.shr_u (get_local $_1) (i64.const 16)))) (i64.const 32)))
(set_local $y (i64.or (get_local $hi) (call $endian_swap_32 (i64.shr_u (get_local $_1) (i64.const 32))))) (set_local $y (i64.or (get_local $hi) (call $endian_swap_32 (i64.shr_u (get_local $_1) (i64.const 32)))))
(i64.store (get_local $pos) (get_local $y)) (i64.store (i64.add (get_local $pos) (i64.const 8)) (get_local $y)) (i64.store (i64.add (get_local $pos) (i64.const 16)) (get_local $y)) (set_local $hi_1 (i64.shl (i64.or (i64.shl (i64.or (i64.and (i64.shl (i64.const 64) (i64.const 8)) (get_local $_2)) (i64.and (i64.shr_u (i64.const 64) (i64.const 8)) (i64.const 255))) (i64.const 16)) (call $endian_swap_16 (i64.shr_u (i64.const 64) (i64.const 16)))) (i64.const 32))) (i64.store (get_local $pos) (get_local $y))
(i64.store (i64.add (get_local $pos) (i64.const 24)) (i64.or (get_local $hi_1) (call $endian_swap_32 (i64.shr_u (i64.const 64) (i64.const 32))))) (call $eth.revert (call $u256_to_i32 (get_local $_1) (get_local $_1) (get_local $_1) (get_local $_1)) (call $u256_to_i32 (get_local $_1) (get_local $_1) (get_local $_1) (get_local $_1))) (i64.store (i64.add (get_local $pos) (i64.const 8)) (get_local $y))
(i64.store (i64.add (get_local $pos) (i64.const 16)) (get_local $y))
(set_local $hi_1 (i64.shl (i64.or (i64.shl (i64.or (i64.and (i64.shl (i64.const 64) (i64.const 8)) (get_local $_2)) (i64.and (i64.shr_u (i64.const 64) (i64.const 8)) (i64.const 255))) (i64.const 16)) (call $endian_swap_16 (i64.shr_u (i64.const 64) (i64.const 16)))) (i64.const 32)))
(i64.store (i64.add (get_local $pos) (i64.const 24)) (i64.or (get_local $hi_1) (call $endian_swap_32 (i64.shr_u (i64.const 64) (i64.const 32)))))
(call $eth.revert (call $u256_to_i32 (get_local $_1) (get_local $_1) (get_local $_1) (get_local $_1)) (call $u256_to_i32 (get_local $_1) (get_local $_1) (get_local $_1) (get_local $_1)))
) )
(func $u256_to_i32 (func $u256_to_i32
@ -81,9 +85,13 @@
(set_local $pos (call $u256_to_i32 (get_local $_1) (get_local $_1) (get_local $_1) (i64.const 64))) (set_local $pos (call $u256_to_i32 (get_local $_1) (get_local $_1) (get_local $_1) (i64.const 64)))
(set_local $hi (i64.shl (i64.or (i64.shl (i64.or (i64.and (i64.shl (get_local $_1) (i64.const 8)) (i64.const 65280)) (i64.and (i64.shr_u (get_local $_1) (i64.const 8)) (i64.const 255))) (i64.const 16)) (call $endian_swap_16 (i64.shr_u (get_local $_1) (i64.const 16)))) (i64.const 32))) (set_local $hi (i64.shl (i64.or (i64.shl (i64.or (i64.and (i64.shl (get_local $_1) (i64.const 8)) (i64.const 65280)) (i64.and (i64.shr_u (get_local $_1) (i64.const 8)) (i64.const 255))) (i64.const 16)) (call $endian_swap_16 (i64.shr_u (get_local $_1) (i64.const 16)))) (i64.const 32)))
(set_local $y (i64.or (get_local $hi) (call $endian_swap_32 (i64.shr_u (get_local $_1) (i64.const 32))))) (set_local $y (i64.or (get_local $hi) (call $endian_swap_32 (i64.shr_u (get_local $_1) (i64.const 32)))))
(i64.store (get_local $pos) (get_local $y)) (i64.store (i64.add (get_local $pos) (i64.const 8)) (get_local $y)) (i64.store (i64.add (get_local $pos) (i64.const 16)) (get_local $y)) (set_local $hi_1 (i64.shl (call $endian_swap_16 (i64.const 64)) (i64.const 16))) (i64.store (get_local $pos) (get_local $y))
(i64.store (i64.add (get_local $pos) (i64.const 8)) (get_local $y))
(i64.store (i64.add (get_local $pos) (i64.const 16)) (get_local $y))
(set_local $hi_1 (i64.shl (call $endian_swap_16 (i64.const 64)) (i64.const 16)))
(set_local $hi_2 (i64.shl (i64.or (get_local $hi_1) (call $endian_swap_16 (i64.shr_u (i64.const 64) (i64.const 16)))) (i64.const 32))) (set_local $hi_2 (i64.shl (i64.or (get_local $hi_1) (call $endian_swap_16 (i64.shr_u (i64.const 64) (i64.const 16)))) (i64.const 32)))
(i64.store (i64.add (get_local $pos) (i64.const 24)) (i64.or (get_local $hi_2) (call $endian_swap_32 (i64.shr_u (i64.const 64) (i64.const 32))))) (block (i64.store (i64.add (get_local $pos) (i64.const 24)) (i64.or (get_local $hi_2) (call $endian_swap_32 (i64.shr_u (i64.const 64) (i64.const 32)))))
(block
(set_local $_2 (datasize \"C_2_deployed\")) (set_local $_2 (datasize \"C_2_deployed\"))
(set_local $_3 (get_global $global_)) (set_local $_3 (get_global $global_))
(set_local $_4 (get_global $global__1)) (set_local $_4 (get_global $global__1))
@ -97,7 +105,8 @@
(set_local $_9 (get_global $global__2)) (set_local $_9 (get_global $global__2))
) )
(call $eth.codeCopy (call $u256_to_i32 (get_local $_1) (get_local $_1) (get_local $_1) (get_local $_1)) (call $u256_to_i32 (get_local $_6) (get_local $_7) (get_local $_8) (get_local $_9)) (call $u256_to_i32 (get_local $_2) (get_local $_3) (get_local $_4) (get_local $_5))) (call $eth.finish (call $u256_to_i32 (get_local $_1) (get_local $_1) (get_local $_1) (get_local $_1)) (call $u256_to_i32 (get_local $_2) (get_local $_3) (get_local $_4) (get_local $_5))) (call $eth.codeCopy (call $u256_to_i32 (get_local $_1) (get_local $_1) (get_local $_1) (get_local $_1)) (call $u256_to_i32 (get_local $_6) (get_local $_7) (get_local $_8) (get_local $_9)) (call $u256_to_i32 (get_local $_2) (get_local $_3) (get_local $_4) (get_local $_5)))
(call $eth.finish (call $u256_to_i32 (get_local $_1) (get_local $_1) (get_local $_1) (get_local $_1)) (call $u256_to_i32 (get_local $_2) (get_local $_3) (get_local $_4) (get_local $_5)))
) )
(func $u256_to_i32 (func $u256_to_i32

2
test/tools/yulInterpreter/Interpreter.cpp
View File

@ -52,7 +52,7 @@ void InterpreterState::dumpTraceAndState(ostream& _out) const
words[(offset / 0x20) * 0x20] |= u256(uint32_t(value)) << (256 - 8 - 8 * size_t(offset % 0x20)); words[(offset / 0x20) * 0x20] |= u256(uint32_t(value)) << (256 - 8 - 8 * size_t(offset % 0x20));
for (auto const& [offset, value]: words) for (auto const& [offset, value]: words)
if (value != 0) if (value != 0)
_out << " " << std::hex << std::setw(4) << offset << ": " << h256(value).hex() << endl; _out << " " << std::uppercase << std::hex << std::setw(4) << offset << ": " << h256(value).hex() << endl;
_out << "Storage dump:" << endl; _out << "Storage dump:" << endl;
for (auto const& slot: storage) for (auto const& slot: storage)
if (slot.second != h256(0)) if (slot.second != h256(0))