diff options
Diffstat (limited to 'ethchain/vm.go')
| -rw-r--r-- | ethchain/vm.go | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/ethchain/vm.go b/ethchain/vm.go index 71605b069..56456fdab 100644 --- a/ethchain/vm.go +++ b/ethchain/vm.go @@ -22,6 +22,9 @@ var ( GasMemory = big.NewInt(1) GasData = big.NewInt(5) GasTx = big.NewInt(500) + + LogTyPretty byte = 0x1 + LogTyDiff byte = 0x2 ) type Debugger interface { @@ -44,6 +47,7 @@ type Vm struct { Verbose bool + logTy byte logStr string err error @@ -69,7 +73,7 @@ type RuntimeVars struct { } func (self *Vm) Printf(format string, v ...interface{}) *Vm { - if self.Verbose { + if self.Verbose && self.logTy == LogTyPretty { self.logStr += fmt.Sprintf(format, v...) } @@ -77,7 +81,7 @@ func (self *Vm) Printf(format string, v ...interface{}) *Vm { } func (self *Vm) Endl() *Vm { - if self.Verbose { + if self.Verbose && self.logTy == LogTyPretty { vmlogger.Debugln(self.logStr) self.logStr = "" } @@ -86,7 +90,7 @@ func (self *Vm) Endl() *Vm { } func NewVm(state *State, stateManager *StateManager, vars RuntimeVars) *Vm { - return &Vm{vars: vars, state: state, stateManager: stateManager} + return &Vm{vars: vars, state: state, stateManager: stateManager, logTy: LogTyPretty} } var Pow256 = ethutil.BigPow(2, 256) @@ -132,6 +136,17 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { // Get the opcode (it must be an opcode!) op = OpCode(val.Uint()) + // XXX Leave this Println intact. Don't change this to the log system. + // Used for creating diffs between implementations + if vm.logTy == LogTyDiff { + b := pc.Bytes() + if len(b) == 0 { + b = []byte{0} + } + + fmt.Printf("%x %x %x %x\n", closure.object.Address(), b, []byte{byte(op)}, closure.Gas.Bytes()) + } + gas := new(big.Int) addStepGasUsage := func(amount *big.Int) { if amount.Cmp(ethutil.Big0) >= 0 { @@ -167,7 +182,9 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { require(2) newMemSize = stack.Peek().Uint64() + 32 case MLOAD: + require(1) + newMemSize = stack.Peek().Uint64() + 32 case MSTORE8: require(2) newMemSize = stack.Peek().Uint64() + 1 @@ -415,7 +432,10 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { require(2) val, th := stack.Popn() if th.Cmp(big.NewInt(32)) < 0 { - stack.Push(big.NewInt(int64(len(val.Bytes())-1) - th.Int64())) + byt := big.NewInt(int64(val.Bytes()[th.Int64()])) + stack.Push(byt) + + vm.Printf(" => 0x%x", byt.Bytes()) } else { stack.Push(ethutil.BigFalse) } @@ -562,8 +582,9 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) { case MSTORE8: require(2) val, mStart := stack.Popn() - base.And(val, new(big.Int).SetInt64(0xff)) - mem.Set(mStart.Int64(), 32, ethutil.BigToBytes(base, 256)) + //base.And(val, new(big.Int).SetInt64(0xff)) + //mem.Set(mStart.Int64(), 32, ethutil.BigToBytes(base, 256)) + mem.store[mStart.Int64()] = byte(val.Int64() & 0xff) vm.Printf(" => 0x%x", val) case SLOAD: |