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Handle bad instructions (BadInstruction exception) [#81563132]

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This commit is contained in:
Paweł Bylica 2014-10-28 18:15:58 +01:00
parent ac38bf9ac1
commit 6da6f3dc52
4 changed files with 15 additions and 5 deletions
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1
evmcc/test/except/badinst1.evm Normal file
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@ -0,0 +1 @@
4a

5
libevmjit/Compiler.cpp
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@ -816,6 +816,11 @@ void Compiler::compileBasicBlock(BasicBlock& basicBlock, bytesConstRef bytecode,
break;
}
default: // Invalid instruction - runtime exception
{
_runtimeManager.raiseException(ReturnCode::BadInstruction);
}
}
}

3
libevmjit/Type.h
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@ -43,7 +43,8 @@ enum class ReturnCode
BadJumpDestination = 101,
OutOfGas = 102,
StackTooSmall = 103
StackTooSmall = 103,
BadInstruction = 104,
};
struct Constant

11
libevmjit/VM.cpp
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@ -5,6 +5,7 @@
#include "ExecutionEngine.h"
#include "Compiler.h"
#include "Type.h"
namespace dev
{
@ -20,14 +21,16 @@ bytesConstRef VM::go(ExtVMFace& _ext, OnOpFunc const&, uint64_t)
ExecutionEngine engine;
auto exitCode = engine.run(std::move(module), m_gas, &_ext);
switch (exitCode)
switch (static_cast<ReturnCode>(exitCode))
{
case 101:
case ReturnCode::BadJumpDestination:
BOOST_THROW_EXCEPTION(BadJumpDestination());
case 102:
case ReturnCode::OutOfGas:
BOOST_THROW_EXCEPTION(OutOfGas());
case 103:
case ReturnCode::StackTooSmall:
BOOST_THROW_EXCEPTION(StackTooSmall(1,0));
case ReturnCode::BadInstruction:
BOOST_THROW_EXCEPTION(BadInstruction());
}
m_output = std::move(engine.returnData);