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| author | Jeffrey Wilcke <jeffrey@ethereum.org> | 2015-05-22 21:51:38 +0800 |
|---|---|---|
| committer | Jeffrey Wilcke <jeffrey@ethereum.org> | 2015-05-22 21:51:38 +0800 |
| commit | b2b9b3b567291c02a34f16b510621f8ac75d368c (patch) | |
| tree | d0ffa3704a152eee79e566bf8fe1d7d405d81ebb /core | |
| parent | f7415c0bbc9d95141a0b2d95b936f4eed90c0616 (diff) | |
| parent | 7381be8edb3bec412d31a97977174cf52eed8094 (diff) | |
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Merge pull request #1077 from obscuren/disasm
core/vm, rpc: added disasm to `ext_` RPC
Diffstat (limited to 'core')
| -rw-r--r-- | core/vm/disasm.go | 21 |
1 files changed, 21 insertions, 0 deletions
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 +} |