From bb20f0dbc285f9645ebfc5e62d9444d522f0b6fa Mon Sep 17 00:00:00 2001
From: Volker Berlin <volker.berlin@googlemail.com>
Date: Mon, 27 Feb 2023 18:49:57 +0100
Subject: [PATCH] implements Unsafe.getObjectVolatile

---
 src/de/inetsoftware/jwebassembly/module/UnsafeManager.java | 5 +++++
 src/de/inetsoftware/jwebassembly/watparser/WatParser.java  | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/src/de/inetsoftware/jwebassembly/module/UnsafeManager.java b/src/de/inetsoftware/jwebassembly/module/UnsafeManager.java
index 1d86522..ede5b7f 100644
--- a/src/de/inetsoftware/jwebassembly/module/UnsafeManager.java
+++ b/src/de/inetsoftware/jwebassembly/module/UnsafeManager.java
@@ -549,6 +549,11 @@ class UnsafeManager {
                                         return "local.get 1" // THIS
                                                         + " local.get 3" // x
                                                         + " struct.set " + state.typeName + ' ' + state.fieldName;
+
+                                    case "getObjectVolatile":
+                                        return "local.get 1" // array
+                                                        + " local.get 2" // the array index
+                                                        + " array.get " + state.typeName;
                                 }
 
                                 throw new RuntimeException( name.signatureName );
diff --git a/src/de/inetsoftware/jwebassembly/watparser/WatParser.java b/src/de/inetsoftware/jwebassembly/watparser/WatParser.java
index 57eaa1d..6a7d14e 100644
--- a/src/de/inetsoftware/jwebassembly/watparser/WatParser.java
+++ b/src/de/inetsoftware/jwebassembly/watparser/WatParser.java
@@ -337,6 +337,11 @@ public class WatParser extends WasmCodeBuilder {
                         typeName = get( tokens, ++i );
                         addStructInstruction( StructOperator.NEW_WITH_RTT, typeName, null, javaCodePos, lineNumber );
                         break;
+                    case "array.get":
+                        typeName = get( tokens, ++i );
+                        type = ((ArrayType)getTypeManager().valueOf( typeName )).getArrayType();
+                        addArrayInstruction( ArrayOperator.GET, type, javaCodePos, lineNumber );
+                        break;
                     default:
                         throw new WasmException( "Unknown WASM token: " + tok, lineNumber );
                 }