src/share/vm/interpreter/bytecodeStream.cpp

Tue, 11 May 2010 14:35:43 -0700

author
prr
date
Tue, 11 May 2010 14:35:43 -0700
changeset 1840
fb57d4cf76c2
parent 905
ad8c8ca4ab0f
child 1907
c18cbe5936b8
child 1920
ab102d5d923e
permissions
-rw-r--r--

6931180: Migration to recent versions of MS Platform SDK
6951582: Build problems on win64
Summary: Changes to enable building JDK7 with Microsoft Visual Studio 2010
Reviewed-by: ohair, art, ccheung, dcubed

duke@435 1 /*
xdono@905 2 * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
duke@435 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 * have any questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 # include "incls/_precompiled.incl"
duke@435 26 # include "incls/_bytecodeStream.cpp.incl"
duke@435 27
duke@435 28 Bytecodes::Code RawBytecodeStream::raw_next_special(Bytecodes::Code code) {
duke@435 29 assert(!is_last_bytecode(), "should have been checked");
duke@435 30 // set next bytecode position
kamg@848 31 address bcp = RawBytecodeStream::bcp();
kamg@848 32 address end = method()->code_base() + end_bci();
kamg@848 33 int l = Bytecodes::raw_special_length_at(bcp, end);
duke@435 34 if (l <= 0 || (_bci + l) > _end_bci) {
duke@435 35 code = Bytecodes::_illegal;
duke@435 36 } else {
duke@435 37 _next_bci += l;
duke@435 38 assert(_bci < _next_bci, "length must be > 0");
duke@435 39 // set attributes
duke@435 40 _is_wide = false;
duke@435 41 // check for special (uncommon) cases
duke@435 42 if (code == Bytecodes::_wide) {
kamg@848 43 if (bcp + 1 >= end) {
kamg@848 44 code = Bytecodes::_illegal;
kamg@848 45 } else {
kamg@848 46 code = (Bytecodes::Code)bcp[1];
kamg@848 47 _is_wide = true;
kamg@848 48 }
duke@435 49 }
duke@435 50 }
duke@435 51 _code = code;
duke@435 52 return code;
duke@435 53 }

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