| weinig@apple.com | 466a745 | 2008-12-06 22:19:22 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 Apple Inc. All rights reserved. |
| 3 | * Copyright (C) 2008 Cameron Zwarich <cwzwarich@uwaterloo.ca> |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| mjs@apple.com | 9204733 | 2014-03-15 04:08:27 +0000 | [diff] [blame] | 14 | * 3. Neither the name of Apple Inc. ("Apple") nor the names of |
| weinig@apple.com | 466a745 | 2008-12-06 22:19:22 +0000 | [diff] [blame] | 15 | * its contributors may be used to endorse or promote products derived |
| 16 | * from this software without specific prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| 19 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 21 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| 22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #include "config.h" |
| 31 | #include "JumpTable.h" |
| 32 | |
| barraclough@apple.com | 185ce91 | 2010-04-21 19:13:50 +0000 | [diff] [blame] | 33 | #include <wtf/text/StringHash.h> |
| 34 | |
| weinig@apple.com | 466a745 | 2008-12-06 22:19:22 +0000 | [diff] [blame] | 35 | namespace JSC { |
| 36 | |
| 37 | int32_t SimpleJumpTable::offsetForValue(int32_t value, int32_t defaultOffset) |
| 38 | { |
| 39 | if (value >= min && static_cast<uint32_t>(value - min) < branchOffsets.size()) { |
| 40 | int32_t offset = branchOffsets[value - min]; |
| 41 | if (offset) |
| 42 | return offset; |
| 43 | } |
| 44 | return defaultOffset; |
| 45 | } |
| 46 | |
| 47 | } // namespace JSC |
