56 lines
1.4 KiB
Go
56 lines
1.4 KiB
Go
// 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 <http://www.gnu.org/licenses/>.
|
|
|
|
package main
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"strings"
|
|
|
|
"github.com/ethereum/go-ethereum/core/asm"
|
|
cli "gopkg.in/urfave/cli.v1"
|
|
)
|
|
|
|
var disasmCommand = cli.Command{
|
|
Action: disasmCmd,
|
|
Name: "disasm",
|
|
Usage: "disassembles evm binary",
|
|
ArgsUsage: "<file>",
|
|
}
|
|
|
|
func disasmCmd(ctx *cli.Context) error {
|
|
var in string
|
|
switch {
|
|
case len(ctx.Args().First()) > 0:
|
|
fn := ctx.Args().First()
|
|
input, err := ioutil.ReadFile(fn)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
in = string(input)
|
|
case ctx.GlobalIsSet(InputFlag.Name):
|
|
in = ctx.GlobalString(InputFlag.Name)
|
|
default:
|
|
return errors.New("Missing filename or --input value")
|
|
}
|
|
|
|
code := strings.TrimSpace(in)
|
|
fmt.Printf("%v\n", code)
|
|
return asm.PrintDisassembled(code)
|
|
}
|