66c8794c81
Enable the utility inspection function `DependencyContext::is_dependent_method` and therefore the test in the product mode. Reviewed-by: eosterlund, thartmann
88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
/*
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* Copyright (c) 2016, 2020, 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 "code/dependencyContext.hpp"
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#include "code/nmethod.hpp"
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#include "unittest.hpp"
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class TestDependencyContext {
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public:
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nmethod _nmethods[3];
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nmethodBucket* volatile _dependency_context;
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volatile uint64_t _last_cleanup;
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DependencyContext dependencies() {
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DependencyContext depContext(&_dependency_context, &_last_cleanup);
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return depContext;
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}
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TestDependencyContext()
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: _dependency_context(NULL),
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_last_cleanup(0) {
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CodeCache_lock->lock_without_safepoint_check();
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_nmethods[0].clear_unloading_state();
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_nmethods[1].clear_unloading_state();
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_nmethods[2].clear_unloading_state();
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dependencies().add_dependent_nmethod(&_nmethods[2]);
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dependencies().add_dependent_nmethod(&_nmethods[1]);
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dependencies().add_dependent_nmethod(&_nmethods[0]);
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}
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~TestDependencyContext() {
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wipe();
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CodeCache_lock->unlock();
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}
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void wipe() {
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DependencyContext ctx(&_dependency_context, &_last_cleanup);
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nmethodBucket* b = ctx.dependencies();
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ctx.set_dependencies(NULL);
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while (b != NULL) {
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nmethodBucket* next = b->next();
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delete b;
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b = next;
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}
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}
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};
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static void test_remove_dependent_nmethod(int id) {
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TestDependencyContext c;
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DependencyContext depContext = c.dependencies();
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nmethod* nm = &c._nmethods[id];
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depContext.remove_dependent_nmethod(nm);
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ASSERT_FALSE(depContext.is_dependent_nmethod(nm));
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}
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TEST_VM(code, dependency_context) {
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test_remove_dependent_nmethod(0);
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test_remove_dependent_nmethod(1);
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test_remove_dependent_nmethod(2);
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}
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