From 070caf54d2a17168d3de05aa1633979c8545f8f4 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Wed, 2 Jun 2021 01:16:49 -0700
Subject: Refactor rb_vm_insn_addr2insn calls

It's been a way too much amount of ifdefs.
---
 iseq.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'iseq.c')

diff --git a/iseq.c b/iseq.c
index fdaf55ced0..4ad1fc23be 100644
--- a/iseq.c
+++ b/iseq.c
@@ -3192,6 +3192,18 @@ rb_vm_insn_addr2insn(const void *addr)
     rb_bug("rb_vm_insn_addr2insn: invalid insn address: %p", addr);
 }
 
+// Decode `iseq->body->iseq_encoded[i]` to an insn.
+int
+rb_vm_insn_decode(const VALUE encoded)
+{
+#if OPT_DIRECT_THREADED_CODE || OPT_CALL_THREADED_CODE
+    int insn = rb_vm_insn_addr2insn((void *)encoded);
+#else
+    int insn = (int)encoded;
+#endif
+    return insn;
+}
+
 static inline int
 encoded_iseq_trace_instrument(VALUE *iseq_encoded_insn, rb_event_flag_t turnon, bool remain_current_trace)
 {
-- 
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