Handle Enable-Native-Access manifest attribute if present

Closes #10008

Author: zakkak

substratevm/src/com.oracle.svm.driver/src/com/oracle/svm/driver/NativeImage.java

@@ -1055,6 +1055,7 @@ static boolean processJarManifestMainAttributes(Path jarFilePath, BiConsumer<Pat
     void handleManifestFileAttributes(Path jarFilePath, Attributes mainAttributes) {
         handleMainClassAttribute(jarFilePath, mainAttributes);
         handleModuleAttributes(mainAttributes);
+        handleEnableNativeAccessAttribute(mainAttributes);
     }
 
     void handleMainClassAttribute(Path jarFilePath, Attributes mainAttributes) {
@@ -1078,6 +1079,16 @@ void handleModuleAttributes(Attributes mainAttributes) {
         }
     }
 
+    void handleEnableNativeAccessAttribute(Attributes mainAttributes) {
+        String nativeAccessAttrName = mainAttributes.getValue("Enable-Native-Access");
+        if (nativeAccessAttrName != null) {
+            if (!ALL_UNNAMED.equals(nativeAccessAttrName)) {
+                throw NativeImage.showError("illegal value \"" + nativeAccessAttrName + "\" for " + nativeAccessAttrName + " manifest attribute. Only " + ALL_UNNAMED + " is allowed");
+            }
+            addImageBuilderJavaArgs("--enable-native-access=" + ALL_UNNAMED);
+        }
+    }
+
     void handleClassPathAttribute(LinkedHashSet<Path> destination, Path jarFilePath, Attributes mainAttributes) {
         String classPathValue = mainAttributes.getValue("Class-Path");
         /* Missing Class-Path Attribute is tolerable */