/* * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "trace/traceStream.hpp" #if INCLUDE_TRACE #include "classfile/classLoaderData.hpp" #include "classfile/javaClasses.hpp" #include "memory/resourceArea.hpp" #include "oops/klass.hpp" #include "oops/method.hpp" #include "oops/symbol.hpp" void TraceStream::print_val(const char* label, const Klass* val) const { ResourceMark rm; const char* description = "NULL"; if (val != NULL) { const Symbol* name = val->name(); if (name != NULL) { description = name->as_C_string(); } } tty->print("%s = %s", label, description); } void TraceStream::print_val(const char* label, const Method* val) const { ResourceMark rm; const char* description = "NULL"; if (val != NULL) { description = val->name_and_sig_as_C_string(); } tty->print("%s = %s", label, description); } void TraceStream::print_val(const char* label, const ClassLoaderData* cld) const { /* guangyu.zgy not implemented yet ResourceMark rm; if (cld == NULL || cld->is_anonymous()) { tty->print("%s = NULL", label); return; } const char* class_loader_name = "NULL"; const char* class_loader_type_name = "NULL"; const oop class_loader_oop = cld->class_loader(); if (class_loader_oop != NULL) { const Klass* k = class_loader_oop->klass(); assert(k != NULL, "invariant"); const Symbol* klass_name_sym = k->name(); if (klass_name_sym != NULL) { class_loader_type_name = klass_name_sym->as_C_string(); } const oop class_loader_name_oop = java_lang_ClassLoader::name(class_loader_oop); if (class_loader_name_oop != NULL) { const char* class_loader_name_from_oop = java_lang_String::as_utf8_string(class_loader_name_oop); if (class_loader_name_from_oop != NULL && class_loader_name_from_oop[0] != '\0') { class_loader_name = class_loader_name_from_oop; } } } else { assert(class_loader_oop == NULL, "invariant"); // anonymous CLDs are excluded, this would be the boot loader class_loader_name = "boot"; } tty->print("%s = name=%s class=%s", label, class_loader_name, class_loader_type_name); */ } #endif // INCLUDE_TRACE