1 files changed, 12 insertions, 0 deletions
diff --git a/src/wasm-binary.h b/src/wasm-binary.h
index bece0af8e..7d98302ba 100644
--- a/src/wasm-binary.h
+++ b/src/wasm-binary.h
@@ -1125,6 +1125,15 @@ enum ASTNodes {
   I31GetU = 0x1e,
   RefI31Shared = 0x1f,
 
+  // Shared GC Opcodes
+
+  OrderSeqCst = 0x0,
+  OrderAcqRel = 0x1,
+  StructAtomicGet = 0x5c,
+  StructAtomicGetS = 0x5d,
+  StructAtomicGetU = 0x5e,
+  StructAtomicSet = 0x5f,
+
   // stringref opcodes
 
   StringConst = 0x82,
@@ -1352,6 +1361,8 @@ public:
 
   void writeField(const Field& field);
 
+  void writeMemoryOrder(MemoryOrder order);
+
 private:
   Module* wasm;
   BufferWithRandomAccess& o;
@@ -1587,6 +1598,7 @@ public:
 
   Index readMemoryAccess(Address& alignment, Address& offset);
   std::tuple<Name, Address, Address> getMemarg();
+  MemoryOrder getMemoryOrder();
 
   [[noreturn]] void throwError(std::string text) {
     throw ParseException(text, 0, pos);