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 "resolvedFieldEntry.hpp"



27 
28 void ResolvedFieldEntry::print_on(outputStream* st) const {
29   st->print_cr("Field Entry:");
30 
31   if (field_holder() != nullptr) {
32     st->print_cr(" - Holder: " INTPTR_FORMAT " %s", p2i(field_holder()), field_holder()->external_name());
33   } else {
34     st->print_cr("- Holder: null");
35   }
36   st->print_cr(" - Offset: %d", field_offset());
37   st->print_cr(" - Field Index: %d", field_index());
38   st->print_cr(" - CP Index: %d", constant_pool_index());
39   st->print_cr(" - TOS: %s", type2name(as_BasicType((TosState)tos_state())));
40   st->print_cr(" - Is Final: %d", is_final());
41   st->print_cr(" - Is Volatile: %d", is_volatile());


42   st->print_cr(" - Get Bytecode: %s", Bytecodes::name((Bytecodes::Code)get_code()));
43   st->print_cr(" - Put Bytecode: %s", Bytecodes::name((Bytecodes::Code)put_code()));
44 }
45 









46 void ResolvedFieldEntry::remove_unshareable_info() {
47   u2 saved_cpool_index = _cpool_index;
48   memset(this, 0, sizeof(*this));
49   _cpool_index = saved_cpool_index;
50 }

 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 "resolvedFieldEntry.hpp"
27 #include "interpreter/bytecodes.hpp"
28 #include "oops/instanceOop.hpp"
29 #include "utilities/globalDefinitions.hpp"
30 
31 void ResolvedFieldEntry::print_on(outputStream* st) const {
32   st->print_cr("Field Entry:");
33 
34   if (field_holder() != nullptr) {
35     st->print_cr(" - Holder: " INTPTR_FORMAT " %s", p2i(field_holder()), field_holder()->external_name());
36   } else {
37     st->print_cr("- Holder: null");
38   }
39   st->print_cr(" - Offset: %d", field_offset());
40   st->print_cr(" - Field Index: %d", field_index());
41   st->print_cr(" - CP Index: %d", constant_pool_index());
42   st->print_cr(" - TOS: %s", type2name(as_BasicType((TosState)tos_state())));
43   st->print_cr(" - Is Final: %d", is_final());
44   st->print_cr(" - Is Volatile: %d", is_volatile());
45   st->print_cr(" - Is Flat: %d", is_flat());
46   st->print_cr(" - Is Null Free Inline Type: %d", is_null_free_inline_type());
47   st->print_cr(" - Get Bytecode: %s", Bytecodes::name((Bytecodes::Code)get_code()));
48   st->print_cr(" - Put Bytecode: %s", Bytecodes::name((Bytecodes::Code)put_code()));
49 }
50 
51 bool ResolvedFieldEntry::is_valid() const {
52   return field_holder()->is_instance_klass() &&
53     field_offset() >= instanceOopDesc::base_offset_in_bytes() && field_offset() < 0x7fffffff &&
54     as_BasicType((TosState)tos_state()) != T_ILLEGAL &&
55     _flags < (1 << (max_flag_shift + 1)) &&
56     (get_code() == 0 || get_code() == Bytecodes::_getstatic || get_code() == Bytecodes::_getfield) &&
57     (put_code() == 0 || put_code() == Bytecodes::_putstatic || put_code() == Bytecodes::_putfield);
58 }
59 
60 void ResolvedFieldEntry::remove_unshareable_info() {
61   u2 saved_cpool_index = _cpool_index;
62   memset(this, 0, sizeof(*this));
63   _cpool_index = saved_cpool_index;
64 }