/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
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 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released
 * May 28, 2008.
 *
 * The Initial Developer of the Original Code is
 *   Brendan Eich <brendan@mozilla.org>
 *
 * Contributor(s):
 *   David Anderson <danderson@mozilla.com>
 *   David Mandelin <dmandelin@mozilla.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
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#include "methodjit/MethodJIT.h"
#include "methodjit/Compiler.h"
#include "methodjit/StubCalls.h"

#include "jsautooplen.h"

using namespace js;
using namespace js::mjit;

static const uint32 TAG_OFFSET     = 4;
static const uint32 PAYLOAD_OFFSET = 0;

void
mjit::Compiler::jsop_bindname(uint32 index)
{
    RegisterID reg = frame.allocReg();
    masm.loadPtr(Address(FrameState::FpReg, offsetof(JSStackFrame, scopeChain)), reg);

    Address address(reg, offsetof(JSObject, fslots) + JSSLOT_PARENT * sizeof(jsval));

    masm.load32(Address(address.base, address.offset + PAYLOAD_OFFSET), reg);
    Jump j = masm.branchTestPtr(Assembler::Zero, reg, reg);

    {
        stubcc.linkExit(j);
        stubcc.syncAndSpill();
        stubcc.call(stubs::BindName);
    }

    frame.pushObject(reg);
}