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 "incls/_precompiled.incl"
  26 # include "incls/_stackMapTable.cpp.incl"





  27 
  28 StackMapTable::StackMapTable(StackMapReader* reader, StackMapFrame* init_frame,
  29                              u2 max_locals, u2 max_stack,
  30                              char* code_data, int code_len, TRAPS) {
  31   _code_length = code_len;
  32   _frame_count = reader->get_frame_count();
  33   if (_frame_count > 0) {
  34     _frame_array = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD,
  35                                                 StackMapFrame*, _frame_count);
  36     StackMapFrame* pre_frame = init_frame;
  37     for (int32_t i = 0; i < _frame_count; i++) {
  38       StackMapFrame* frame = reader->next(
  39         pre_frame, i == 0, max_locals, max_stack,
  40         CHECK_VERIFY(pre_frame->verifier()));
  41       _frame_array[i] = frame;
  42       int offset = frame->offset();
  43       if (offset >= code_len || code_data[offset] == 0) {
  44         frame->verifier()->verify_error("StackMapTable error: bad offset");
  45         return;
  46       }

   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 "classfile/stackMapTable.hpp"
  27 #include "classfile/verifier.hpp"
  28 #include "memory/resourceArea.hpp"
  29 #include "oops/oop.inline.hpp"
  30 #include "runtime/fieldType.hpp"
  31 #include "runtime/handles.inline.hpp"
  32 
  33 StackMapTable::StackMapTable(StackMapReader* reader, StackMapFrame* init_frame,
  34                              u2 max_locals, u2 max_stack,
  35                              char* code_data, int code_len, TRAPS) {
  36   _code_length = code_len;
  37   _frame_count = reader->get_frame_count();
  38   if (_frame_count > 0) {
  39     _frame_array = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD,
  40                                                 StackMapFrame*, _frame_count);
  41     StackMapFrame* pre_frame = init_frame;
  42     for (int32_t i = 0; i < _frame_count; i++) {
  43       StackMapFrame* frame = reader->next(
  44         pre_frame, i == 0, max_locals, max_stack,
  45         CHECK_VERIFY(pre_frame->verifier()));
  46       _frame_array[i] = frame;
  47       int offset = frame->offset();
  48       if (offset >= code_len || code_data[offset] == 0) {
  49         frame->verifier()->verify_error("StackMapTable error: bad offset");
  50         return;
  51       }