-H:Preserve=all for MacOS

Author: vjovanov

substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/darwin/DarwinSubstitutions.java

@@ -35,6 +35,7 @@
 import org.graalvm.nativeimage.StackValue;
 
 import com.oracle.svm.core.Uninterruptible;
+import com.oracle.svm.core.annotate.Delete;
 import com.oracle.svm.core.annotate.Substitute;
 import com.oracle.svm.core.annotate.TargetClass;
 import com.oracle.svm.core.feature.AutomaticallyRegisteredImageSingleton;
@@ -117,6 +118,32 @@ long nanoTime() {
     }
 }
 
+/**
+ * Native functions don't exist on Darwin because this whole class is used, and should exist, only
+ * on Linux. See <code>java.util.prefs.Preferences#factory</code>.
+ */
+@TargetClass(className = "java.util.prefs.FileSystemPreferences")
+final class Target_java_util_prefs_FileSystemPreferences {
+    @Delete
+    private static native int[] lockFile0(String fileName, int permission, boolean shared);
+
+    @Delete
+    private static native int unlockFile0(int lockHandle);
+
+    @Delete
+    private static native int chmod(String fileName, int permission);
+}
+
+/**
+ * Not used in native image and has linker errors with XCode 13. Can be removed in the future when
+ * XCode 14 becomes omnipresent.
+ */
+@TargetClass(className = "sun.util.locale.provider.HostLocaleProviderAdapterImpl")
+final class Target_sun_util_locale_provider_HostLocaleProviderAdapterImpl {
+    @Delete
+    private static native String getDefaultLocale(int cat);
+}
+
 /** Dummy class to have a class with the file's name. */
 public final class DarwinSubstitutions {
 }

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/JavaLangSubstitutions.java

@@ -41,6 +41,7 @@
 import java.util.function.BooleanSupplier;
 import java.util.stream.Stream;
 
+import com.oracle.svm.core.util.BasedOnJDKFile;
 import org.graalvm.nativeimage.Platform;
 import org.graalvm.nativeimage.Platforms;
 import org.graalvm.nativeimage.hosted.FieldValueTransformer;
@@ -355,6 +356,14 @@ final class Target_java_lang_System {
     @Alias private static PrintStream err;
     @Alias private static InputStream in;
 
+    /**
+     * Pulls in a native library unnecessarily. All natives are already substituted.
+     */
+    @Substitute
+    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-25+20/src/java.base/share/native/libjava/System.c#L39-L53")
+    private static void registerNatives() {
+    }
+
     @Substitute
     private static void setIn(InputStream is) {
         in = is;

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/JavaUtilSubstitutions.java

@@ -36,6 +36,7 @@
 
 import com.oracle.svm.core.SubstrateUtil;
 import com.oracle.svm.core.annotate.Alias;
+import com.oracle.svm.core.annotate.Delete;
 import com.oracle.svm.core.annotate.Inject;
 import com.oracle.svm.core.annotate.InjectAccessors;
 import com.oracle.svm.core.annotate.RecomputeFieldValue;
@@ -45,6 +46,8 @@
 import com.oracle.svm.core.util.VMError;
 import com.oracle.svm.util.ReflectionUtil;
 
+import jdk.internal.util.SystemProps;
+
 /*
  * Lazily initialized cache fields of collection classes need to be reset. They are not needed in
  * the image heap because they can always be recomputed. But more importantly, the fields can be
@@ -361,6 +364,19 @@ private static synchronized boolean initializeIsUniprocessor() {
     }
 }
 
+/**
+ * Currently unsupported in Native Image because our system-property support works completely
+ * differently than the one in HotSpot.
+ */
+@TargetClass(value = SystemProps.Raw.class)
+final class Target_jdk_internal_util_SystemProps_Raw {
+    @Delete
+    private static native String[] vmProperties();
+
+    @Delete
+    private static native String[] platformProperties();
+}
+
 /** Dummy class to have a class with the file's name. */
 public final class JavaUtilSubstitutions {
 }

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/NativeImageGenerator.java

@@ -1777,7 +1777,13 @@ public static void checkName(BigBang bb, AnalysisType type) {
         checkName(bb, null, format);
     }
 
-    private static final Set<String> CHECK_NAME_EXCEPTIONS = Set.of("java.awt.Cursor.DOT_HOTSPOT_SUFFIX");
+    /**
+     * These are legit elements from the JDK that have hotspot in their name.
+     */
+    private static final Set<String> HOTSPOT_IN_NAME_EXCEPTIONS = Set.of(
+                    "java.awt.Cursor.DOT_HOTSPOT_SUFFIX",
+                    "sun.lwawt.macosx.CCustomCursor.fHotspot",
+                    "sun.lwawt.macosx.CCustomCursor.getHotSpot()");
 
     private static void checkName(BigBang bb, AnalysisMethod method, String format) {
         /*
@@ -1790,8 +1796,11 @@ private static void checkName(BigBang bb, AnalysisMethod method, String format)
         if (lformat.contains("hosted")) {
             report(bb, format, method, "Hosted element used at run time: " + format + ".");
         } else if (!lformat.startsWith("jdk.internal") && lformat.contains("hotspot")) {
-            if (!CHECK_NAME_EXCEPTIONS.contains(format)) {
-                report(bb, format, method, "HotSpot element used at run time: " + format + ".");
+            if (!HOTSPOT_IN_NAME_EXCEPTIONS.contains(format)) {
+                report(bb, format, method, "Element with HotSpot in its name used at run time: " + format + System.lineSeparator() +
+                                "If this is a regular JDK value, and not a HotSpot element that was accidentally included, you can add it to the NativeImageGenerator.HOTSPOT_IN_NAME_EXCEPTIONS" +
+                                System.lineSeparator() +
+                                "If this is HotSpot element that was accidentally included find a way to exclude it from the image.");
             }
         }
     }

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/jdk/JNIRegistrationPrefs.java

@@ -73,6 +73,8 @@ public void beforeAnalysis(BeforeAnalysisAccess access) {
         if (isDarwin()) {
             String darwinSpecificClass = "java.util.prefs.MacOSXPreferencesFile";
             initializeAtRunTime(access, darwinSpecificClass);
+            /* present on Darwin in the JDK */
+            initializeAtRunTime(access, "java.util.prefs.FileSystemPreferences");
             triggers.add(clazz(access, darwinSpecificClass));
         }