98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
/*
|
|
* Copyright (c) 2016, 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 "code/dependencyContext.hpp"
|
|
#include "unittest.hpp"
|
|
|
|
class TestDependencyContext {
|
|
public:
|
|
nmethod* _nmethods[3];
|
|
|
|
intptr_t _dependency_context;
|
|
|
|
DependencyContext dependencies() {
|
|
DependencyContext depContext(&_dependency_context);
|
|
return depContext;
|
|
}
|
|
|
|
TestDependencyContext() : _dependency_context(DependencyContext::EMPTY) {
|
|
CodeCache_lock->lock_without_safepoint_check();
|
|
|
|
_nmethods[0] = reinterpret_cast<nmethod*>(0x8 * 0);
|
|
_nmethods[1] = reinterpret_cast<nmethod*>(0x8 * 1);
|
|
_nmethods[2] = reinterpret_cast<nmethod*>(0x8 * 2);
|
|
|
|
dependencies().add_dependent_nmethod(_nmethods[2]);
|
|
dependencies().add_dependent_nmethod(_nmethods[1]);
|
|
dependencies().add_dependent_nmethod(_nmethods[0]);
|
|
}
|
|
|
|
~TestDependencyContext() {
|
|
dependencies().wipe();
|
|
CodeCache_lock->unlock();
|
|
}
|
|
|
|
static bool has_stale_entries(DependencyContext ctx) {
|
|
return ctx.has_stale_entries();
|
|
}
|
|
|
|
#ifndef PRODUCT
|
|
static bool find_stale_entries(DependencyContext ctx) {
|
|
return ctx.find_stale_entries();
|
|
}
|
|
#endif
|
|
};
|
|
|
|
static void test_remove_dependent_nmethod(int id, bool delete_immediately) {
|
|
TestDependencyContext c;
|
|
DependencyContext depContext = c.dependencies();
|
|
NOT_PRODUCT(ASSERT_FALSE(TestDependencyContext::find_stale_entries(depContext)));
|
|
ASSERT_FALSE(TestDependencyContext::has_stale_entries(depContext));
|
|
|
|
nmethod* nm = c._nmethods[id];
|
|
depContext.remove_dependent_nmethod(nm, delete_immediately);
|
|
|
|
if (!delete_immediately) {
|
|
NOT_PRODUCT(ASSERT_TRUE(TestDependencyContext::find_stale_entries(depContext)));
|
|
ASSERT_TRUE(TestDependencyContext::has_stale_entries(depContext));
|
|
NOT_PRODUCT(ASSERT_TRUE(depContext.is_dependent_nmethod(nm)));
|
|
depContext.expunge_stale_entries();
|
|
}
|
|
|
|
NOT_PRODUCT(ASSERT_FALSE(TestDependencyContext::find_stale_entries(depContext)));
|
|
ASSERT_FALSE(TestDependencyContext::has_stale_entries(depContext));
|
|
NOT_PRODUCT(ASSERT_FALSE(depContext.is_dependent_nmethod(nm)));
|
|
}
|
|
|
|
TEST_VM(code, dependency_context) {
|
|
test_remove_dependent_nmethod(0, false);
|
|
test_remove_dependent_nmethod(1, false);
|
|
test_remove_dependent_nmethod(2, false);
|
|
|
|
test_remove_dependent_nmethod(0, true);
|
|
test_remove_dependent_nmethod(1, true);
|
|
test_remove_dependent_nmethod(2, true);
|
|
}
|