diff -r fd16c54261b3 -r 489c9b5090e2 hotspot/src/share/vm/interpreter/bytecodeStream.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/src/share/vm/interpreter/bytecodeStream.cpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,48 @@ +/* + * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +# include "incls/_precompiled.incl" +# include "incls/_bytecodeStream.cpp.incl" + +Bytecodes::Code RawBytecodeStream::raw_next_special(Bytecodes::Code code) { + assert(!is_last_bytecode(), "should have been checked"); + // set next bytecode position + address bcp = RawBytecodeStream::bcp(); + int l = Bytecodes::raw_special_length_at(bcp); + if (l <= 0 || (_bci + l) > _end_bci) { + code = Bytecodes::_illegal; + } else { + _next_bci += l; + assert(_bci < _next_bci, "length must be > 0"); + // set attributes + _is_wide = false; + // check for special (uncommon) cases + if (code == Bytecodes::_wide) { + code = (Bytecodes::Code)bcp[1]; + _is_wide = true; + } + } + _code = code; + return code; +}