From c52ab932e61ef9eba37c107e8b58b22c7d32e6c2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Valentin=20W=C3=BCstholz?= Date: Wed, 1 Mar 2017 13:34:50 +0100 Subject: cmd/disasm, cmd/evm: integrate disasm tool into evm tool. (#3729) --- cmd/evm/disasm.go | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 cmd/evm/disasm.go (limited to 'cmd/evm/disasm.go') diff --git a/cmd/evm/disasm.go b/cmd/evm/disasm.go new file mode 100644 index 000000000..01a8c60ba --- /dev/null +++ b/cmd/evm/disasm.go @@ -0,0 +1,53 @@ +// Copyright 2017 The go-ethereum Authors +// This file is part of go-ethereum. +// +// go-ethereum is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// go-ethereum is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with go-ethereum. If not, see . + +package main + +import ( + "errors" + "fmt" + "io/ioutil" + + "github.com/ethereum/go-ethereum/core/asm" + cli "gopkg.in/urfave/cli.v1" + "strings" +) + +var disasmCommand = cli.Command{ + Action: disasmCmd, + Name: "disasm", + Usage: "disassembles evm binary", + ArgsUsage: "", +} + +func disasmCmd(ctx *cli.Context) error { + if len(ctx.Args().First()) == 0 { + return errors.New("filename required") + } + + fn := ctx.Args().First() + in, err := ioutil.ReadFile(fn) + if err != nil { + return err + } + + code := strings.TrimSpace(string(in[:])) + fmt.Printf("%v\n", code) + if err = asm.PrintDisassembled(code); err != nil { + return err + } + return nil +} -- cgit v1.2.3