1 /*
   2  * Copyright (c) 2003, 2006, 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 "incls/_precompiled.incl"
  26 # include "incls/_stackMapFrame.cpp.incl"






  27 
  28 StackMapFrame::StackMapFrame(u2 max_locals, u2 max_stack, ClassVerifier* v) :
  29                       _offset(0), _locals_size(0), _stack_size(0), _flags(0),
  30                       _max_locals(max_locals), _max_stack(max_stack),
  31                       _verifier(v) {
  32   Thread* thr = v->thread();
  33   _locals = NEW_RESOURCE_ARRAY_IN_THREAD(thr, VerificationType, max_locals);
  34   _stack = NEW_RESOURCE_ARRAY_IN_THREAD(thr, VerificationType, max_stack);
  35   int32_t i;
  36   for(i = 0; i < max_locals; i++) {
  37     _locals[i] = VerificationType::bogus_type();
  38   }
  39   for(i = 0; i < max_stack; i++) {
  40     _stack[i] = VerificationType::bogus_type();
  41   }
  42 }
  43 
  44 StackMapFrame* StackMapFrame::frame_in_exception_handler(u1 flags) {
  45   Thread* thr = _verifier->thread();
  46   VerificationType* stack = NEW_RESOURCE_ARRAY_IN_THREAD(thr, VerificationType, 1);

   1 /*
   2  * Copyright (c) 2003, 2010, 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 "classfile/stackMapFrame.hpp"
  27 #include "classfile/verifier.hpp"
  28 #include "memory/resourceArea.hpp"
  29 #include "oops/oop.inline.hpp"
  30 #include "oops/symbolOop.hpp"
  31 #include "runtime/handles.inline.hpp"
  32 #include "utilities/globalDefinitions.hpp"
  33 
  34 StackMapFrame::StackMapFrame(u2 max_locals, u2 max_stack, ClassVerifier* v) :
  35                       _offset(0), _locals_size(0), _stack_size(0), _flags(0),
  36                       _max_locals(max_locals), _max_stack(max_stack),
  37                       _verifier(v) {
  38   Thread* thr = v->thread();
  39   _locals = NEW_RESOURCE_ARRAY_IN_THREAD(thr, VerificationType, max_locals);
  40   _stack = NEW_RESOURCE_ARRAY_IN_THREAD(thr, VerificationType, max_stack);
  41   int32_t i;
  42   for(i = 0; i < max_locals; i++) {
  43     _locals[i] = VerificationType::bogus_type();
  44   }
  45   for(i = 0; i < max_stack; i++) {
  46     _stack[i] = VerificationType::bogus_type();
  47   }
  48 }
  49 
  50 StackMapFrame* StackMapFrame::frame_in_exception_handler(u1 flags) {
  51   Thread* thr = _verifier->thread();
  52   VerificationType* stack = NEW_RESOURCE_ARRAY_IN_THREAD(thr, VerificationType, 1);