forked from mirror/go-ethereum
Taylor Gerring
10 years ago
commit
617804c327
File diff suppressed because it is too large
Load Diff
@ -1,367 +0,0 @@ |
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/* |
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This file is part of go-ethereum |
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|
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go-ethereum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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go-ethereum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** |
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* @authors |
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* Jeffrey Wilcke <i@jev.io> |
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*/ |
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package main |
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import ( |
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"fmt" |
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"math/big" |
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"strconv" |
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"strings" |
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"unicode" |
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"github.com/ethereum/go-ethereum/cmd/utils" |
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"github.com/ethereum/go-ethereum/core" |
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"github.com/ethereum/go-ethereum/core/types" |
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"github.com/ethereum/go-ethereum/ethutil" |
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"github.com/ethereum/go-ethereum/state" |
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"github.com/ethereum/go-ethereum/vm" |
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"github.com/obscuren/qml" |
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) |
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type DebuggerWindow struct { |
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win *qml.Window |
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engine *qml.Engine |
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lib *UiLib |
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vm *vm.Vm |
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Db *Debugger |
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state *state.StateDB |
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} |
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func NewDebuggerWindow(lib *UiLib) *DebuggerWindow { |
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engine := qml.NewEngine() |
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component, err := engine.LoadFile(lib.AssetPath("debugger/debugger.qml")) |
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if err != nil { |
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fmt.Println(err) |
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return nil |
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} |
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win := component.CreateWindow(nil) |
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w := &DebuggerWindow{engine: engine, win: win, lib: lib, vm: &vm.Vm{}} |
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w.Db = NewDebugger(w) |
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return w |
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} |
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func (self *DebuggerWindow) Show() { |
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context := self.engine.Context() |
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context.SetVar("dbg", self) |
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go func() { |
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self.win.Show() |
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self.win.Wait() |
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}() |
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} |
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func (self *DebuggerWindow) SetCode(code string) { |
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self.win.Set("codeText", code) |
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} |
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func (self *DebuggerWindow) SetData(data string) { |
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self.win.Set("dataText", data) |
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} |
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func (self *DebuggerWindow) SetAsm(data []byte) { |
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self.win.Root().Call("clearAsm") |
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dis := core.Disassemble(data) |
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for _, str := range dis { |
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self.win.Root().Call("setAsm", str) |
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} |
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} |
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func (self *DebuggerWindow) Compile(code string) { |
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var err error |
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script := ethutil.StringToByteFunc(code, func(s string) (ret []byte) { |
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ret, err = ethutil.Compile(s, true) |
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return |
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}) |
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if err == nil { |
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self.SetAsm(script) |
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} |
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} |
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// Used by QML
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func (self *DebuggerWindow) AutoComp(code string) { |
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if self.Db.done { |
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self.Compile(code) |
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} |
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} |
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func (self *DebuggerWindow) ClearLog() { |
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self.win.Root().Call("clearLog") |
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} |
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func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, scriptStr, dataStr string) { |
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self.Stop() |
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defer func() { |
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if r := recover(); r != nil { |
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self.Logf("compile FAULT: %v", r) |
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} |
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}() |
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data := utils.FormatTransactionData(dataStr) |
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var err error |
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script := ethutil.StringToByteFunc(scriptStr, func(s string) (ret []byte) { |
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ret, err = ethutil.Compile(s, false) |
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return |
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}) |
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if err != nil { |
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self.Logln(err) |
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return |
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} |
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var ( |
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gas = ethutil.Big(gasStr) |
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gasPrice = ethutil.Big(gasPriceStr) |
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value = ethutil.Big(valueStr) |
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// Contract addr as test address
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keyPair = self.lib.eth.KeyManager().KeyPair() |
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) |
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statedb := self.lib.eth.ChainManager().TransState() |
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account := self.lib.eth.ChainManager().TransState().GetAccount(keyPair.Address()) |
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contract := statedb.NewStateObject([]byte{0}) |
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contract.SetCode(script) |
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contract.SetBalance(value) |
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self.SetAsm(script) |
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block := self.lib.eth.ChainManager().CurrentBlock() |
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msg := types.NewTransactionMessage(nil, value, gas, gasPrice, data) |
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env := core.NewEnv(statedb, self.lib.eth.ChainManager(), msg, block) |
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self.Logf("callsize %d", len(script)) |
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go func() { |
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pgas := new(big.Int).Set(gas) |
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ret, err := env.Call(account, contract.Address(), data, gas, gasPrice, ethutil.Big0) |
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rgas := new(big.Int).Sub(pgas, gas) |
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tot := new(big.Int).Mul(rgas, gasPrice) |
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self.Logf("gas usage %v total price = %v (%v)", rgas, tot, ethutil.CurrencyToString(tot)) |
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if err != nil { |
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self.Logln("exited with errors:", err) |
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} else { |
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if len(ret) > 0 { |
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self.Logf("exited: % x", ret) |
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} else { |
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self.Logf("exited: nil") |
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} |
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} |
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statedb.Reset() |
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if !self.Db.interrupt { |
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self.Db.done = true |
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} else { |
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self.Db.interrupt = false |
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} |
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}() |
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} |
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func (self *DebuggerWindow) Logf(format string, v ...interface{}) { |
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self.win.Root().Call("setLog", fmt.Sprintf(format, v...)) |
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} |
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func (self *DebuggerWindow) Logln(v ...interface{}) { |
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str := fmt.Sprintln(v...) |
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self.Logf("%s", str[:len(str)-1]) |
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} |
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func (self *DebuggerWindow) Next() { |
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self.Db.Next() |
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} |
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func (self *DebuggerWindow) Continue() { |
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self.vm.Stepping = false |
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self.Next() |
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} |
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func (self *DebuggerWindow) Stop() { |
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if !self.Db.done { |
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self.Db.Q <- true |
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} |
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} |
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func (self *DebuggerWindow) ExecCommand(command string) { |
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if len(command) > 0 { |
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cmd := strings.Split(command, " ") |
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switch cmd[0] { |
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case "help": |
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self.Logln("Debugger commands:") |
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self.Logln("break, bp Set breakpoint on instruction") |
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self.Logln("clear [log, break, bp] Clears previous set sub-command(s)") |
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case "break", "bp": |
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if len(cmd) > 1 { |
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lineNo, err := strconv.Atoi(cmd[1]) |
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if err != nil { |
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self.Logln(err) |
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break |
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} |
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self.Db.breakPoints = append(self.Db.breakPoints, int64(lineNo)) |
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self.Logf("break point set on instruction %d", lineNo) |
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} else { |
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self.Logf("'%s' requires line number", cmd[0]) |
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} |
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case "clear": |
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if len(cmd) > 1 { |
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switch cmd[1] { |
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case "break", "bp": |
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self.Db.breakPoints = nil |
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self.Logln("Breakpoints cleared") |
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case "log": |
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self.ClearLog() |
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default: |
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self.Logf("clear '%s' is not valid", cmd[1]) |
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} |
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} else { |
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self.Logln("'clear' requires sub command") |
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} |
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default: |
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self.Logf("Unknown command %s", cmd[0]) |
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} |
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} |
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} |
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type Debugger struct { |
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N chan bool |
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Q chan bool |
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done, interrupt bool |
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breakPoints []int64 |
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main *DebuggerWindow |
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win *qml.Window |
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} |
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func NewDebugger(main *DebuggerWindow) *Debugger { |
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db := &Debugger{make(chan bool), make(chan bool), true, false, nil, main, main.win} |
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return db |
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} |
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type storeVal struct { |
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Key, Value string |
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} |
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func (self *Debugger) Step(evm vm.VirtualMachine, op vm.OpCode, mem *vm.Memory, stack *vm.Stack, context *vm.Context) { |
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} |
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func (self *Debugger) BreakHook(pc int, op vm.OpCode, mem *vm.Memory, stack *vm.Stack, stateObject *state.StateObject) bool { |
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self.main.Logln("break on instr:", pc) |
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return self.halting(pc, op, mem, stack, stateObject) |
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} |
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func (self *Debugger) StepHook(pc int, op vm.OpCode, mem *vm.Memory, stack *vm.Stack, stateObject *state.StateObject) bool { |
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return self.halting(pc, op, mem, stack, stateObject) |
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} |
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func (self *Debugger) SetCode(byteCode []byte) { |
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self.main.SetAsm(byteCode) |
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} |
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func (self *Debugger) BreakPoints() []int64 { |
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return self.breakPoints |
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} |
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func (d *Debugger) halting(pc int, op vm.OpCode, mem *vm.Memory, stack *vm.Stack, stateObject *state.StateObject) bool { |
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d.win.Root().Call("setInstruction", pc) |
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d.win.Root().Call("clearMem") |
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d.win.Root().Call("clearStack") |
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d.win.Root().Call("clearStorage") |
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addr := 0 |
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for i := 0; i+16 <= mem.Len(); i += 16 { |
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dat := mem.Data()[i : i+16] |
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var str string |
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for _, d := range dat { |
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if unicode.IsGraphic(rune(d)) { |
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str += string(d) |
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} else { |
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str += "?" |
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} |
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} |
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d.win.Root().Call("setMem", memAddr{fmt.Sprintf("%03d", addr), fmt.Sprintf("%s % x", str, dat)}) |
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addr += 16 |
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} |
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for _, val := range stack.Data() { |
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d.win.Root().Call("setStack", val.String()) |
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} |
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it := stateObject.Trie().Iterator() |
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for it.Next() { |
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d.win.Root().Call("setStorage", storeVal{fmt.Sprintf("% x", it.Key), fmt.Sprintf("% x", it.Value)}) |
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} |
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stackFrameAt := new(big.Int).SetBytes(mem.Get(0, 32)) |
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psize := mem.Len() - int(new(big.Int).SetBytes(mem.Get(0, 32)).Uint64()) |
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d.win.Root().ObjectByName("stackFrame").Set("text", fmt.Sprintf(`<b>stack ptr</b>: %v`, stackFrameAt)) |
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d.win.Root().ObjectByName("stackSize").Set("text", fmt.Sprintf(`<b>stack size</b>: %d`, psize)) |
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d.win.Root().ObjectByName("memSize").Set("text", fmt.Sprintf(`<b>mem size</b>: %v`, mem.Len())) |
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out: |
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for { |
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select { |
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case <-d.N: |
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break out |
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case <-d.Q: |
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d.interrupt = true |
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d.clearBuffers() |
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return false |
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} |
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} |
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return true |
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} |
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func (d *Debugger) clearBuffers() { |
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out: |
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// drain
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for { |
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select { |
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case <-d.N: |
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case <-d.Q: |
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default: |
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break out |
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} |
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} |
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} |
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func (d *Debugger) Next() { |
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if !d.done { |
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d.N <- true |
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} |
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} |
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@ -1,10 +0,0 @@ |
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package vm |
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import "github.com/ethereum/go-ethereum/state" |
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type Debugger interface { |
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BreakHook(step int, op OpCode, mem *Memory, stack *Stack, object *state.StateObject) bool |
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StepHook(step int, op OpCode, mem *Memory, stack *Stack, object *state.StateObject) bool |
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BreakPoints() []int64 |
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SetCode(byteCode []byte) |
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} |
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@ -0,0 +1,86 @@ |
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package vm |
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import "math/big" |
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type req struct { |
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stack int |
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gas *big.Int |
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} |
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var _baseCheck = map[OpCode]req{ |
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// Req stack Gas price
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ADD: {2, GasFastestStep}, |
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LT: {2, GasFastestStep}, |
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GT: {2, GasFastestStep}, |
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SLT: {2, GasFastestStep}, |
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SGT: {2, GasFastestStep}, |
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EQ: {2, GasFastestStep}, |
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ISZERO: {1, GasFastestStep}, |
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SUB: {2, GasFastestStep}, |
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AND: {2, GasFastestStep}, |
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OR: {2, GasFastestStep}, |
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XOR: {2, GasFastestStep}, |
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NOT: {1, GasFastestStep}, |
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BYTE: {2, GasFastestStep}, |
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CALLDATALOAD: {1, GasFastestStep}, |
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CALLDATACOPY: {3, GasFastestStep}, |
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MLOAD: {1, GasFastestStep}, |
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MSTORE: {2, GasFastestStep}, |
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MSTORE8: {2, GasFastestStep}, |
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CODECOPY: {3, GasFastestStep}, |
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MUL: {2, GasFastStep}, |
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DIV: {2, GasFastStep}, |
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SDIV: {2, GasFastStep}, |
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MOD: {2, GasFastStep}, |
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SMOD: {2, GasFastStep}, |
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SIGNEXTEND: {2, GasFastStep}, |
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ADDMOD: {3, GasMidStep}, |
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MULMOD: {3, GasMidStep}, |
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JUMP: {1, GasMidStep}, |
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JUMPI: {2, GasSlowStep}, |
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EXP: {2, GasSlowStep}, |
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ADDRESS: {0, GasQuickStep}, |
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ORIGIN: {0, GasQuickStep}, |
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CALLER: {0, GasQuickStep}, |
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CALLVALUE: {0, GasQuickStep}, |
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CODESIZE: {0, GasQuickStep}, |
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GASPRICE: {0, GasQuickStep}, |
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COINBASE: {0, GasQuickStep}, |
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TIMESTAMP: {0, GasQuickStep}, |
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NUMBER: {0, GasQuickStep}, |
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CALLDATASIZE: {0, GasQuickStep}, |
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DIFFICULTY: {0, GasQuickStep}, |
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GASLIMIT: {0, GasQuickStep}, |
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POP: {0, GasQuickStep}, |
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PC: {0, GasQuickStep}, |
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MSIZE: {0, GasQuickStep}, |
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GAS: {0, GasQuickStep}, |
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BLOCKHASH: {1, GasExtStep}, |
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BALANCE: {0, GasExtStep}, |
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EXTCODESIZE: {1, GasExtStep}, |
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EXTCODECOPY: {4, GasExtStep}, |
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SLOAD: {1, GasStorageGet}, |
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SSTORE: {2, Zero}, |
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SHA3: {1, GasSha3Base}, |
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CREATE: {3, GasCreate}, |
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CALL: {7, GasCall}, |
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CALLCODE: {7, GasCall}, |
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JUMPDEST: {0, GasJumpDest}, |
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SUICIDE: {1, Zero}, |
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RETURN: {2, Zero}, |
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} |
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|
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func baseCheck(op OpCode, stack *stack, gas *big.Int) { |
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if r, ok := _baseCheck[op]; ok { |
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stack.require(r.stack) |
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gas.Add(gas, r.gas) |
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} |
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} |
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func toWordSize(size *big.Int) *big.Int { |
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tmp := new(big.Int) |
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tmp.Add(size, u256(31)) |
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tmp.Div(tmp, u256(32)) |
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return tmp |
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} |
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@ -0,0 +1,72 @@ |
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package vm |
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import "fmt" |
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type Memory struct { |
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store []byte |
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} |
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func NewMemory() *Memory { |
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return &Memory{nil} |
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} |
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func (m *Memory) Set(offset, size uint64, value []byte) { |
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if len(value) > 0 { |
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totSize := offset + size |
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lenSize := uint64(len(m.store) - 1) |
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if totSize > lenSize { |
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// Calculate the diff between the sizes
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diff := totSize - lenSize |
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if diff > 0 { |
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// Create a new empty slice and append it
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newSlice := make([]byte, diff-1) |
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// Resize slice
|
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m.store = append(m.store, newSlice...) |
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} |
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} |
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copy(m.store[offset:offset+size], value) |
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} |
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} |
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|
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func (m *Memory) Resize(size uint64) { |
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if uint64(m.Len()) < size { |
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m.store = append(m.store, make([]byte, size-uint64(m.Len()))...) |
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} |
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} |
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|
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func (self *Memory) Get(offset, size int64) (cpy []byte) { |
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if size == 0 { |
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return nil |
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} |
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|
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if len(self.store) > int(offset) { |
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cpy = make([]byte, size) |
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copy(cpy, self.store[offset:offset+size]) |
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|
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return |
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} |
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|
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return |
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} |
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|
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func (m *Memory) Len() int { |
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return len(m.store) |
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} |
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|
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func (m *Memory) Data() []byte { |
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return m.store |
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} |
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|
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func (m *Memory) Print() { |
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fmt.Printf("### mem %d bytes ###\n", len(m.store)) |
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if len(m.store) > 0 { |
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addr := 0 |
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for i := 0; i+32 <= len(m.store); i += 32 { |
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fmt.Printf("%03d: % x\n", addr, m.store[i:i+32]) |
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addr++ |
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} |
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} else { |
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fmt.Println("-- empty --") |
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} |
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fmt.Println("####################") |
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} |
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