--- a/hotspot/src/share/vm/runtime/arguments.cpp Tue Mar 22 13:41:52 2016 +0100
+++ b/hotspot/src/share/vm/runtime/arguments.cpp Tue Mar 22 15:03:07 2016 -0400
@@ -417,6 +417,22 @@
{ NULL, LogLevel::Off, false, LOG_TAGS(_NO_TAG) }
};
+#ifndef PRODUCT
+// These options are removed in jdk9. Remove this code for jdk10.
+static AliasedFlag const removed_develop_logging_flags[] = {
+ { "TraceClassInitialization", "-Xlog:classinit" },
+ { "TraceClassLoaderData", "-Xlog:classloaderdata" },
+ { "TraceDefaultMethods", "-Xlog:defaultmethods=debug" },
+ { "TraceItables", "-Xlog:itables=debug" },
+ { "TraceSafepoint", "-Xlog:safepoint=debug" },
+ { "TraceStartupTime", "-Xlog:startuptime" },
+ { "TraceVMOperation", "-Xlog:vmoperation=debug" },
+ { "PrintVtables", "-Xlog:vtables=debug" },
+ { "VerboseVerification", "-Xlog:verboseverification" },
+ { NULL, NULL }
+};
+#endif //PRODUCT
+
// Return true if "v" is less than "other", where "other" may be "undefined".
static bool version_less_than(JDK_Version v, JDK_Version other) {
assert(!v.is_undefined(), "must be defined");
@@ -468,6 +484,18 @@
return 0;
}
+#ifndef PRODUCT
+const char* Arguments::removed_develop_logging_flag_name(const char* name){
+ for (size_t i = 0; removed_develop_logging_flags[i].alias_name != NULL; i++) {
+ const AliasedFlag& flag = removed_develop_logging_flags[i];
+ if (strcmp(flag.alias_name, name) == 0) {
+ return flag.real_name;
+ }
+ }
+ return NULL;
+}
+#endif // PRODUCT
+
const char* Arguments::real_flag_name(const char *flag_name) {
for (size_t i = 0; aliased_jvm_flags[i].alias_name != NULL; i++) {
const AliasedFlag& flag_status = aliased_jvm_flags[i];
@@ -1187,13 +1215,22 @@
char stripped_argname[BUFLEN+1];
strncpy(stripped_argname, argname, arg_len);
stripped_argname[arg_len] = '\0'; // strncpy may not null terminate.
-
if (is_obsolete_flag(stripped_argname, &since)) {
char version[256];
since.to_string(version, sizeof(version));
warning("Ignoring option %s; support was removed in %s", stripped_argname, version);
return true;
}
+#ifndef PRODUCT
+ else {
+ const char* replacement;
+ if ((replacement = removed_develop_logging_flag_name(stripped_argname)) != NULL){
+ jio_fprintf(defaultStream::error_stream(),
+ "%s has been removed. Please use %s instead.\n", stripped_argname, replacement);
+ return false;
+ }
+ }
+#endif //PRODUCT
}
// For locked flags, report a custom error message if available.