1/*
2 * Copyright (C) 2013 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "ProtoCallFrame.h"
28
29#include "CodeBlock.h"
30#include "JSCInlines.h"
31#include "StackAlignment.h"
32
33namespace JSC {
34
35void ProtoCallFrame::init(CodeBlock* codeBlock, JSObject* callee, JSValue thisValue, int argCountIncludingThis, JSValue* otherArgs)
36{
37 this->args = otherArgs;
38 this->setCodeBlock(codeBlock);
39 this->setCallee(callee);
40 this->setArgumentCountIncludingThis(argCountIncludingThis);
41 if (codeBlock && argCountIncludingThis < codeBlock->numParameters())
42 this->arityMissMatch = true;
43 else
44 this->arityMissMatch = false;
45
46 // Round up argCountIncludingThis to keep the stack frame size aligned.
47 size_t paddedArgsCount = roundArgumentCountToAlignFrame(argCountIncludingThis);
48 this->setPaddedArgCount(paddedArgsCount);
49 this->clearCurrentVPC();
50 this->setThisValue(thisValue);
51}
52
53} // namespace JSC
54