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authorobscuren <geffobscura@gmail.com>2015-05-22 21:38:46 +0800
committerobscuren <geffobscura@gmail.com>2015-05-22 21:38:46 +0800
commit7381be8edb3bec412d31a97977174cf52eed8094 (patch)
treed0ffa3704a152eee79e566bf8fe1d7d405d81ebb /core
parentf7415c0bbc9d95141a0b2d95b936f4eed90c0616 (diff)
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core/vm, rpc: added disasm to `ext_` RPC
Diffstat (limited to 'core')
-rw-r--r--core/vm/disasm.go21
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
+}