author | jrose |
Wed, 23 Sep 2009 23:56:15 -0700 | |
changeset 3912 | 3aaaaad1ccb0 |
parent 1623 | a0dd9009e992 |
child 5688 | 9052dc91ea67 |
child 5547 | f4b087cbb361 |
permissions | -rw-r--r-- |
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/* |
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* Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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* |
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*/ |
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# include "incls/_precompiled.incl" |
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# include "incls/_bytecodeStream.cpp.incl" |
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Bytecodes::Code RawBytecodeStream::raw_next_special(Bytecodes::Code code) { |
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assert(!is_last_bytecode(), "should have been checked"); |
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// set next bytecode position |
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6756528: Bytecodes::special_length_at reads past end of code buffer
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address bcp = RawBytecodeStream::bcp(); |
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address end = method()->code_base() + end_bci(); |
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6756528: Bytecodes::special_length_at reads past end of code buffer
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parents:
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int l = Bytecodes::raw_special_length_at(bcp, end); |
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if (l <= 0 || (_bci + l) > _end_bci) { |
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code = Bytecodes::_illegal; |
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} else { |
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_next_bci += l; |
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assert(_bci < _next_bci, "length must be > 0"); |
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// set attributes |
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_is_wide = false; |
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// check for special (uncommon) cases |
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if (code == Bytecodes::_wide) { |
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6756528: Bytecodes::special_length_at reads past end of code buffer
kamg
parents:
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if (bcp + 1 >= end) { |
7d2dc5fbfa8c
6756528: Bytecodes::special_length_at reads past end of code buffer
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parents:
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code = Bytecodes::_illegal; |
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6756528: Bytecodes::special_length_at reads past end of code buffer
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} else { |
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code = (Bytecodes::Code)bcp[1]; |
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6756528: Bytecodes::special_length_at reads past end of code buffer
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_is_wide = true; |
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6756528: Bytecodes::special_length_at reads past end of code buffer
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} |
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} |
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} |
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_code = code; |
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return code; |
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} |