JDK-8327246: updated VM.classes description as per previous changes to -help text

src/hotspot/share/oops/instanceKlass.cpp

@@ -2375,12 +2375,14 @@ void PrintClassClosure::do_klass(Klass* k)  {
     if (ik->in_aot_cache()) {
       buf[i++] = 'S';
 
+      if (_location) {
         if (AOTMetaspace::in_aot_cache_static_region((void*)k)) {
           _aot_statics++;
-        if (_location) buf[i++] = 's';
+          buf[i++] = 's';
         } else if (AOTMetaspace::in_aot_cache_dynamic_region((void*)k)) {
           _aot_dynamics++;
-        if (_location) buf[i++] = 'd';
+          buf[i++] = 'd';
+        }
       }
     }
   }

src/hotspot/share/services/diagnosticCommand.cpp

@@ -951,16 +951,16 @@ void ClassHierarchyDCmd::execute(DCmdSource source, TRAPS) {
 ClassesDCmd::ClassesDCmd(outputStream* output, bool heap) :
                                      DCmdWithParser(output, heap),
   _verbose("-verbose",
-           "Dump the detailed content of a Java class. "
-           "Some classes are annotated with flags: "
-           "F = has, or inherits, a non-empty finalize method, "
-           "f = has final method, "
-           "W = methods rewritten, "
-           "C = marked with @Contended annotation, "
-           "R = has been redefined, "
-           "S = is shared class (if -location then 's' indicates static 'd' indicates dynamic AOT cache)",
+           "Dump the detailed content of a Java class.\n"
+           "\t\tclasses are annotated with flags:\n"
+           "\t\tF = has, or inherits, a non-empty finalize method,\n"
+           "\t\tf = has final method,\n"
+           "\t\tW = methods rewritten,\n"
+           "\t\tC = marked with @Contended annotation,\n"
+           "\t\tR = has been redefined,\n"
+           "\t\tS = is an (App)CDS shared class (if -location is also specified, (either) 's' indicating static (or) 'd' indicating dynamic AOT cache locations, are appended)",
            "BOOLEAN", false, "false"),
-  _location("-location", "Print class file (and AOT cache) location url (if available)", "BOOLEAN", false, "false") {
+  _location("-location", "Print class file location url (if available)", "BOOLEAN", false, "false") {
   _dcmdparser.add_dcmd_option(&_verbose);
   _dcmdparser.add_dcmd_option(&_location);
 }

src/jdk.jcmd/share/man/jcmd.md

@@ -806,7 +806,7 @@ The following commands are available:
           - `W` = methods rewritten,
           - `C` = marked with `@Contended` annotation,
           - `R` = has been redefined,
-          - `S` = is shared class (if -location 's' is static and 'd' is dynamic AOT cache location)
+          - `S` = is shared class (if -location is specified then either 's' (for static) or 'd' (for dynamic) AOT cache origin is appended)
         (BOOLEAN, false)
 
     -   `-location`: (Optional) Print the location of the class file from which the class is loaded (if available)
@@ -816,9 +816,11 @@ The following commands are available:
          Note: JDK (and other classes) loaded by a ClassLoader that does not provide a location URL to the JVM will omit this field.
 
          Note: if any classes are loaded from an AOT cache, their location reported is that of the original
-               url from which they were loaded at the time of the training run that created the AOT cache.
+               url from which they were loaded at the time of the training run that created the AOT cache,
+               additionally the flags will also be annotated to indicate the AOT cache origin (static or dynamic).
+
+               The total number of classes loaded (if any) from either AOT cache (and the associated cache filepath) are summarized. 
 
-               The total number of classes loaded from any AOT cache (and its name) are summarized. 
 `VM.classloader_stats`
 :   Print statistics about all ClassLoaders.