From 7381be8edb3bec412d31a97977174cf52eed8094 Mon Sep 17 00:00:00 2001 From: obscuren Date: Fri, 22 May 2015 15:38:46 +0200 Subject: core/vm, rpc: added disasm to `ext_` RPC --- core/vm/disasm.go | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 core/vm/disasm.go (limited to 'core/vm') diff --git a/core/vm/disasm.go b/core/vm/disasm.go new file mode 100644 index 000000000..858ee684a --- /dev/null +++ b/core/vm/disasm.go @@ -0,0 +1,21 @@ +package vm + +import "fmt" + +func Disasm(code []byte) []string { + var out []string + for pc := uint64(0); pc < uint64(len(code)); pc++ { + op := OpCode(code[pc]) + out = append(out, op.String()) + + switch op { + case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32: + a := uint64(op) - uint64(PUSH1) + 1 + out = append(out, fmt.Sprintf("0x%x", code[pc+1:pc+1+a])) + + pc += a + } + } + + return out +} -- cgit