[apple/javascriptcore.git] / ftl / FTLOSRExit.cpp

/*
 * Copyright (C) 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "FTLOSRExit.h"

#if ENABLE(FTL_JIT)

#include "CodeBlock.h"
#include "DFGBasicBlock.h"
#include "DFGNode.h"
#include "FTLExitArgument.h"
#include "FTLExitArgumentList.h"
#include "FTLJITCode.h"
#include "JSCInlines.h"

namespace JSC { namespace FTL {

using namespace DFG;

OSRExit::OSRExit(
    ExitKind exitKind, ValueFormat profileValueFormat,
    MethodOfGettingAValueProfile valueProfile, CodeOrigin codeOrigin,
    CodeOrigin originForProfile, unsigned numberOfArguments,
    unsigned numberOfLocals)
    : OSRExitBase(exitKind, codeOrigin, originForProfile)
    , m_profileValueFormat(profileValueFormat)
    , m_valueProfile(valueProfile)
    , m_patchableCodeOffset(0)
    , m_values(numberOfArguments, numberOfLocals)
{
}

CodeLocationJump OSRExit::codeLocationForRepatch(CodeBlock* ftlCodeBlock) const
{
    return CodeLocationJump(
        reinterpret_cast<char*>(
            ftlCodeBlock->jitCode()->ftl()->exitThunks().dataLocation()) +
        m_patchableCodeOffset);
}

} } // namespace JSC::FTL

#endif // ENABLE(FTL_JIT)
Commit	Line	Data
f9bf01c6	1	/*
81345200	2	* Copyright (C) 2013 Apple Inc. All rights reserved.
f9bf01c6 A	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"
81345200 A	27	#include "FTLOSRExit.h"
	28
	29	#if ENABLE(FTL_JIT)
f9bf01c6	30
93a37866	31	#include "CodeBlock.h"
81345200 A	32	#include "DFGBasicBlock.h"
	33	#include "DFGNode.h"
	34	#include "FTLExitArgument.h"
	35	#include "FTLExitArgumentList.h"
	36	#include "FTLJITCode.h"
	37	#include "JSCInlines.h"
	38
	39	namespace JSC { namespace FTL {
f9bf01c6	40
81345200	41	using namespace DFG;
f9bf01c6	42
81345200 A	43	OSRExit::OSRExit(
	44	ExitKind exitKind, ValueFormat profileValueFormat,
	45	MethodOfGettingAValueProfile valueProfile, CodeOrigin codeOrigin,
	46	CodeOrigin originForProfile, unsigned numberOfArguments,
	47	unsigned numberOfLocals)
	48	: OSRExitBase(exitKind, codeOrigin, originForProfile)
	49	, m_profileValueFormat(profileValueFormat)
	50	, m_valueProfile(valueProfile)
	51	, m_patchableCodeOffset(0)
	52	, m_values(numberOfArguments, numberOfLocals)
f9bf01c6	53	{
93a37866 A	54	}
93a37866 A	55
81345200	56	CodeLocationJump OSRExit::codeLocationForRepatch(CodeBlock* ftlCodeBlock) const
93a37866	57	{
81345200 A	58	return CodeLocationJump(
	59	reinterpret_cast<char*>(
	60	ftlCodeBlock->jitCode()->ftl()->exitThunks().dataLocation()) +
	61	m_patchableCodeOffset);
f9bf01c6 A	62	}
f9bf01c6 A	63
81345200 A	64	} } // namespace JSC::FTL
	65
	66	#endif // ENABLE(FTL_JIT)
f9bf01c6	67