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 "code/exceptionHandlerTable.hpp"
  27 #include "code/nmethod.hpp"
  28 #include "memory/allocation.inline.hpp"
  29 


  30 void ExceptionHandlerTable::add_entry(HandlerTableEntry entry) {
  31   _nesting.check();
  32   if (_length >= _size) {
  33     // not enough space => grow the table (amortized growth, double its size)
  34     guarantee(_size > 0, "no space allocated => cannot grow the table since it is part of nmethod");
  35     int new_size = _size * 2;
  36     _table = REALLOC_RESOURCE_ARRAY(HandlerTableEntry, _table, _size, new_size);
  37     _size = new_size;
  38   }
  39   assert(_length < _size, "sanity check");
  40   _table[_length++] = entry;
  41 }
  42 
  43 
  44 HandlerTableEntry* ExceptionHandlerTable::subtable_for(int catch_pco) const {
  45   int i = 0;
  46   while (i < _length) {
  47     HandlerTableEntry* t = _table + i;
  48     if (t->pco() == catch_pco) {
  49       // found subtable matching the catch_pco

  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 "code/exceptionHandlerTable.hpp"
  27 #include "code/nmethod.hpp"
  28 #include "memory/allocation.inline.hpp"
  29 
  30 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  31 
  32 void ExceptionHandlerTable::add_entry(HandlerTableEntry entry) {
  33   _nesting.check();
  34   if (_length >= _size) {
  35     // not enough space => grow the table (amortized growth, double its size)
  36     guarantee(_size > 0, "no space allocated => cannot grow the table since it is part of nmethod");
  37     int new_size = _size * 2;
  38     _table = REALLOC_RESOURCE_ARRAY(HandlerTableEntry, _table, _size, new_size);
  39     _size = new_size;
  40   }
  41   assert(_length < _size, "sanity check");
  42   _table[_length++] = entry;
  43 }
  44 
  45 
  46 HandlerTableEntry* ExceptionHandlerTable::subtable_for(int catch_pco) const {
  47   int i = 0;
  48   while (i < _length) {
  49     HandlerTableEntry* t = _table + i;
  50     if (t->pco() == catch_pco) {
  51       // found subtable matching the catch_pco