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Debugging mode for vm

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This commit is contained in:
obscuren 2014-07-05 13:24:49 +02:00
parent 329887df99
commit b232acd04e
1 changed files with 14 additions and 17 deletions
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31
ethchain/vm.go
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@ -24,14 +24,10 @@ var (
GasTx = big.NewInt(500)
)
func CalculateTxGas(initSize *big.Int) *big.Int {
totalGas := new(big.Int)
txTotalBytes := new(big.Int).Set(initSize)
txTotalBytes.Div(txTotalBytes, ethutil.Big32)
totalGas.Add(totalGas, new(big.Int).Mul(txTotalBytes, GasSStore))
return totalGas
type Debugger interface {
BreakHook(step int, op OpCode, mem *Memory, stack *Stack, stateObject *StateObject) bool
StepHook(step int, op OpCode, mem *Memory, stack *Stack, stateObject *StateObject) bool
BreakPoints() []int64
}
type Vm struct {
@ -53,14 +49,13 @@ type Vm struct {
err error
// Debugging
Hook DebugHook
Dbg Debugger
BreakPoints []int64
Stepping bool
Fn string
}
type DebugHook func(step int, op OpCode, mem *Memory, stack *Stack, stateObject *StateObject) bool
type RuntimeVars struct {
Origin []byte
Block *Block
@ -754,12 +749,14 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
vm.Endl()
if vm.Hook != nil {
for _, instrNo := range vm.BreakPoints {
if pc.Cmp(big.NewInt(instrNo)) == 0 || vm.Stepping {
vm.Stepping = true
if !vm.Hook(prevStep, op, mem, stack, closure.Object()) {
if vm.Dbg != nil {
for _, instrNo := range vm.Dbg.BreakPoints() {
if pc.Cmp(big.NewInt(instrNo)) == 0 {
if !vm.Dbg.BreakHook(prevStep, op, mem, stack, closure.Object()) {
return nil, nil
}
} else if vm.Stepping {
if !vm.Dbg.StepHook(prevStep, op, mem, stack, closure.Object()) {
return nil, nil
}
}