duke@435: /*
duke@435:  * Copyright 1997-2005 Sun Microsystems, Inc.  All Rights Reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: # include "incls/_precompiled.incl"
duke@435: # include "incls/_bytecodeStream.cpp.incl"
duke@435: 
duke@435: Bytecodes::Code RawBytecodeStream::raw_next_special(Bytecodes::Code code) {
duke@435:   assert(!is_last_bytecode(), "should have been checked");
duke@435:   // set next bytecode position
duke@435:   address bcp  = RawBytecodeStream::bcp();
duke@435:   int l = Bytecodes::raw_special_length_at(bcp);
duke@435:   if (l <= 0 || (_bci + l) > _end_bci) {
duke@435:     code = Bytecodes::_illegal;
duke@435:   } else {
duke@435:     _next_bci += l;
duke@435:     assert(_bci < _next_bci, "length must be > 0");
duke@435:     // set attributes
duke@435:     _is_wide = false;
duke@435:     // check for special (uncommon) cases
duke@435:     if (code == Bytecodes::_wide) {
duke@435:       code = (Bytecodes::Code)bcp[1];
duke@435:       _is_wide = true;
duke@435:     }
duke@435:   }
duke@435:   _code = code;
duke@435:   return code;
duke@435: }