svm: Add @BasedOnJDKFile annotations to Module native substitutions

Author: zapster

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

@@ -33,6 +33,7 @@
 import com.oracle.svm.core.annotate.Substitute;
 import com.oracle.svm.core.annotate.TargetClass;
 import com.oracle.svm.core.annotate.TargetElement;
+import com.oracle.svm.core.util.BasedOnJDKFile;
 
 @SuppressWarnings("unused")
 @TargetClass(value = java.lang.Module.class)
@@ -53,6 +54,7 @@ public boolean isNativeAccessEnabled() {
     public native void ensureNativeAccess(Class<?> owner, String methodName, Class<?> currentClass);
 
     @Substitute
+    @BasedOnJDKFile("src/hotspot/share/classfile/modules.cpp#L275-L479")
     private static void defineModule0(Module module, boolean isOpen, String version, String location, Object[] pns) {
         if (Arrays.stream(pns).anyMatch(Objects::isNull)) {
             throw new IllegalArgumentException("Bad package name");
@@ -62,13 +64,15 @@ private static void defineModule0(Module module, boolean isOpen, String version,
     }
 
     @Substitute
+    @BasedOnJDKFile("src/hotspot/share/classfile/modules.cpp#L763-L799")
     private static void addReads0(Module from, Module to) {
         if (Objects.isNull(from)) {
             throw new NullPointerException("The from_module is null");
         }
     }
 
     @Substitute
+    @BasedOnJDKFile("src/hotspot/share/classfile/modules.cpp#L753-L761")
     private static void addExports0(Module from, String pn, Module to) {
         if (Objects.isNull(to)) {
             throw new NullPointerException("The to_module is null");
@@ -79,12 +83,14 @@ private static void addExports0(Module from, String pn, Module to) {
     }
 
     @Substitute
+    @BasedOnJDKFile("src/hotspot/share/classfile/modules.cpp#L686-L750")
     private static void addExportsToAll0(Module from, String pn) {
         ModuleUtil.checkFromModuleAndPackageNullability(from, pn);
         ModuleUtil.checkIsPackageContainedInModule(pn, from);
     }
 
     @Substitute
+    @BasedOnJDKFile("src/hotspot/share/classfile/modules.cpp#L869-L918")
     private static void addExportsToAllUnnamed0(Module from, String pn) {
         ModuleUtil.checkFromModuleAndPackageNullability(from, pn);
         if (from.isNamed()) {