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authorValentin Wüstholz <wuestholz@users.noreply.github.com>2017-03-01 20:34:50 +0800
committerJeffrey Wilcke <jeffrey@ethereum.org>2017-03-01 20:34:50 +0800
commitc52ab932e61ef9eba37c107e8b58b22c7d32e6c2 (patch)
tree57cfbad3cc6ceba6f292a2d5da8e4624b805db05 /cmd/evm
parent230cf2ec9142b6a8f421cb8873deb5df1566e89c (diff)
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cmd/disasm, cmd/evm: integrate disasm tool into evm tool. (#3729)
Diffstat (limited to 'cmd/evm')
-rw-r--r--cmd/evm/disasm.go53
-rw-r--r--cmd/evm/main.go1
2 files changed, 54 insertions, 0 deletions
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 <http://www.gnu.org/licenses/>.
+
+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: "<file>",
+}
+
+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
+}
diff --git a/cmd/evm/main.go b/cmd/evm/main.go
index 5ce45b9ca..cc4f8a49c 100644
--- a/cmd/evm/main.go
+++ b/cmd/evm/main.go
@@ -101,6 +101,7 @@ func init() {
}
app.Commands = []cli.Command{
compileCommand,
+ disasmCommand,
runCommand,
}
}