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authorobscuren <geffobscura@gmail.com>2014-07-02 19:08:32 +0800
committerobscuren <geffobscura@gmail.com>2014-07-02 19:08:32 +0800
commite4d2d00d414704559b38f80a918030613ea1cdf4 (patch)
tree69ade68c2d768b911dc93a4226ae7ee36d7d2448 /ethchain
parent315d65280bab295765cdaeb12cfde753c5387ebc (diff)
downloaddexon-e4d2d00d414704559b38f80a918030613ea1cdf4.tar.gz
dexon-e4d2d00d414704559b38f80a918030613ea1cdf4.tar.zst
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Added support for breakpoints on specific instructions
Diffstat (limited to 'ethchain')
-rw-r--r--ethchain/vm.go16
1 files changed, 13 insertions, 3 deletions
diff --git a/ethchain/vm.go b/ethchain/vm.go
index cd7516db7..909b375ae 100644
--- a/ethchain/vm.go
+++ b/ethchain/vm.go
@@ -53,7 +53,10 @@ type Vm struct {
err error
- Hook DebugHook
+ // Debugging
+ Hook DebugHook
+ BreakPoints []int64
+ Stepping bool
}
type DebugHook func(step int, op OpCode, mem *Memory, stack *Stack, stateObject *StateObject) bool
@@ -742,9 +745,16 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
vm.Endl()
if vm.Hook != nil {
- if !vm.Hook(prevStep, op, mem, stack, closure.Object()) {
- return nil, 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()) {
+ return nil, nil
+ }
+ }
}
}
+
}
}