Merge branch 'develop' of https://github.com/ethereum/go-ethereum into develop

1 files changed, 34 insertions, 0 deletions

diff --git a/cmd/disasm/main.go b/cmd/disasm/main.go
new file mode 100644
index 000000000..c07246b00
--- /dev/null
+++ b/cmd/disasm/main.go
@@ -0,0 +1,34 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+
+	"github.com/ethereum/go-ethereum/ethutil"
+	"github.com/ethereum/go-ethereum/vm"
+)
+
+func main() {
+	code, err := ioutil.ReadAll(os.Stdin)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	code = ethutil.Hex2Bytes(string(code[:len(code)-1]))
+	fmt.Printf("%x\n", code)
+
+	for pc := uint64(0); pc < uint64(len(code)); pc++ {
+		op := vm.OpCode(code[pc])
+		fmt.Printf("%-5d  %v", pc, op)
+
+		switch op {
+		case vm.PUSH1, vm.PUSH2, vm.PUSH3, vm.PUSH4, vm.PUSH5, vm.PUSH6, vm.PUSH7, vm.PUSH8, vm.PUSH9, vm.PUSH10, vm.PUSH11, vm.PUSH12, vm.PUSH13, vm.PUSH14, vm.PUSH15, vm.PUSH16, vm.PUSH17, vm.PUSH18, vm.PUSH19, vm.PUSH20, vm.PUSH21, vm.PUSH22, vm.PUSH23, vm.PUSH24, vm.PUSH25, vm.PUSH26, vm.PUSH27, vm.PUSH28, vm.PUSH29, vm.PUSH30, vm.PUSH31, vm.PUSH32:
+			a := uint64(op) - uint64(vm.PUSH1) + 1
+			fmt.Printf("  => %x", code[pc+1:pc+1+a])
+
+			pc += a
+		}
+		fmt.Println()
+	}
+}