1 /*
2 * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "oops/oop.inline.hpp"
27 #include "oops/symbol.hpp"
28 #include "prims/methodComparator.hpp"
29 #include "runtime/handles.inline.hpp"
30 #include "utilities/globalDefinitions.hpp"
31
32 BytecodeStream *MethodComparator::_s_old;
33 BytecodeStream *MethodComparator::_s_new;
34 ConstantPool* MethodComparator::_old_cp;
35 ConstantPool* MethodComparator::_new_cp;
36
37 bool MethodComparator::methods_EMCP(Method* old_method, Method* new_method) {
38 if (old_method->code_size() != new_method->code_size())
39 return false;
40 if (check_stack_and_locals_size(old_method, new_method) != 0) {
41 if (log_is_enabled(Debug, redefine, class, methodcomparator)) {
42 ResourceMark rm;
43 log_debug(redefine, class, methodcomparator)
44 ("Methods %s non-comparable with diagnosis %d",
45 old_method->name()->as_C_string(), check_stack_and_locals_size(old_method, new_method));
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1 /*
2 * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "oops/constantPool.inline.hpp"
27 #include "oops/oop.inline.hpp"
28 #include "oops/symbol.hpp"
29 #include "prims/methodComparator.hpp"
30 #include "runtime/handles.inline.hpp"
31 #include "utilities/globalDefinitions.hpp"
32
33 BytecodeStream *MethodComparator::_s_old;
34 BytecodeStream *MethodComparator::_s_new;
35 ConstantPool* MethodComparator::_old_cp;
36 ConstantPool* MethodComparator::_new_cp;
37
38 bool MethodComparator::methods_EMCP(Method* old_method, Method* new_method) {
39 if (old_method->code_size() != new_method->code_size())
40 return false;
41 if (check_stack_and_locals_size(old_method, new_method) != 0) {
42 if (log_is_enabled(Debug, redefine, class, methodcomparator)) {
43 ResourceMark rm;
44 log_debug(redefine, class, methodcomparator)
45 ("Methods %s non-comparable with diagnosis %d",
46 old_method->name()->as_C_string(), check_stack_and_locals_size(old_method, new_method));
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