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92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
/*
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "trace/traceStream.hpp"
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#if INCLUDE_TRACE
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#include "classfile/classLoaderData.hpp"
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#include "classfile/javaClasses.inline.hpp"
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#include "memory/resourceArea.hpp"
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#include "oops/klass.hpp"
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#include "oops/method.hpp"
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#include "oops/symbol.hpp"
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void TraceStream::print_val(const char* label, const Klass* val) const {
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ResourceMark rm;
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const char* description = "NULL";
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if (val != NULL) {
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const Symbol* name = val->name();
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if (name != NULL) {
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description = name->as_C_string();
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}
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}
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tty->print("%s = %s", label, description);
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}
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void TraceStream::print_val(const char* label, const Method* val) const {
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ResourceMark rm;
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const char* description = "NULL";
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if (val != NULL) {
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description = val->name_and_sig_as_C_string();
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}
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tty->print("%s = %s", label, description);
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}
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void TraceStream::print_val(const char* label, const ClassLoaderData* cld) const {
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ResourceMark rm;
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if (cld == NULL || cld->is_anonymous()) {
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tty->print("%s = NULL", label);
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return;
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}
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const char* class_loader_name = "NULL";
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const char* class_loader_type_name = "NULL";
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const oop class_loader_oop = cld->class_loader();
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if (class_loader_oop != NULL) {
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const Klass* k = class_loader_oop->klass();
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assert(k != NULL, "invariant");
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const Symbol* klass_name_sym = k->name();
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if (klass_name_sym != NULL) {
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class_loader_type_name = klass_name_sym->as_C_string();
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}
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const oop class_loader_name_oop =
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java_lang_ClassLoader::name(class_loader_oop);
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if (class_loader_name_oop != NULL) {
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const char* class_loader_name_from_oop =
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java_lang_String::as_utf8_string(class_loader_name_oop);
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if (class_loader_name_from_oop != NULL &&
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class_loader_name_from_oop[0] != '\0') {
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class_loader_name = class_loader_name_from_oop;
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}
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}
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} else {
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assert(class_loader_oop == NULL, "invariant");
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// anonymous CLDs are excluded, this would be the boot loader
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class_loader_name = "boot";
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}
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tty->print("%s = name=%s class=%s", label, class_loader_name, class_loader_type_name);
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}
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#endif // INCLUDE_TRACE
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