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Commit	Line	Data
6fe7ccc8 A	1	/*
	2	* Copyright (C) 2012 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	#ifndef CodeProfile_h
	27	#define CodeProfile_h
	28
	29	#include "SourceCode.h"
	30	#include "TieredMMapArray.h"
	31	#include <wtf/text/CString.h>
	32
	33	namespace JSC {
	34
	35	class CodeProfile {
93a37866	36	WTF_MAKE_FAST_ALLOCATED;
6fe7ccc8 A	37	public:
	38	CodeProfile(const SourceCode& source, CodeProfile* parent)
	39	: m_file(source.provider()->url().utf8())
ed1e77d3	40	, m_lineNumber(source.firstLine())
6fe7ccc8 A	41	, m_parent(parent)
	42	{
	43	if (parent)
ed1e77d3	44	parent->addChild(std::unique_ptr<CodeProfile>(this));
6fe7ccc8 A	45	}
	46
	47	void sample(void* pc, void** framePointer);
	48	void report();
	49
	50	CodeProfile* parent()
	51	{
	52	return m_parent;
	53	}
	54
ed1e77d3	55	void addChild(std::unique_ptr<CodeProfile> child)
6fe7ccc8	56	{
ed1e77d3	57	m_children.append(WTF::move(child));
6fe7ccc8 A	58	}
	59
	60	private:
	61	enum CodeType {
	62	EngineCode,
	63	GlobalThunk,
	64	RegExpCode,
	65	DFGJIT,
	66	BaselineOnly,
	67	BaselineProfile,
	68	BaselineOSR,
	69	EngineFrame,
	70	NumberOfCodeTypes
	71	};
	72	struct CodeRecord {
	73	CodeRecord(void* pc, CodeType type)
	74	: pc(pc)
	75	, type(type)
	76	{
	77	}
	78	void* pc;
	79	CodeType type;
	80	};
	81
	82	CString m_file;
ed1e77d3	83	unsigned m_lineNumber;
6fe7ccc8	84	CodeProfile* m_parent;
ed1e77d3	85	Vector<std::unique_ptr<CodeProfile>> m_children;
6fe7ccc8 A	86	TieredMMapArray<CodeRecord> m_samples;
	87
	88	static const char* s_codeTypeNames[NumberOfCodeTypes];
	89	};
	90
	91	}
	92
	93	#endif // CodeProfile_h
	94