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/*
* Copyright (C) 2016 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.
*/
#ifndef SystemTracing_h
#define SystemTracing_h
#if USE(APPLE_INTERNAL_SDK)
#include <System/sys/kdebug.h>
#define HAVE_KDEBUG_H 1
#endif
// No namespaces because this file has to be includable from C and Objective-C.
// Reserved component code. Do not change this.
#define WEBKIT_COMPONENT 47
// Trace point codes can be up to 14 bits (0-16383).
// When adding or changing these codes, update Tools/Tracing/SystemTracePoints.plist to match.
enum TracePointCode {
WTFRange = 0,
JavaScriptRange = 2500,
WebCoreRange = 5000,
StyleRecalcStart,
StyleRecalcEnd,
LayoutStart,
LayoutEnd,
PaintViewStart,
PaintViewEnd,
PaintLayerStart,
PaintLayerEnd,
WebKitRange = 10000,
WebKit2Range = 12000,
};
#ifdef __cplusplus
namespace WTF {
class TraceScope {
public:
#if HAVE(KDEBUG_H)
TraceScope(TracePointCode entryCode, TracePointCode exitCode)
: m_exitCode(exitCode)
{
kdebug_trace(ARIADNEDBG_CODE(WEBKIT_COMPONENT, entryCode), 0, 0, 0, 0);
}
#else
TraceScope(TracePointCode, TracePointCode)
{
}
#endif
~TraceScope()
{
#if HAVE(KDEBUG_H)
kdebug_trace(ARIADNEDBG_CODE(WEBKIT_COMPONENT, m_exitCode), 0, 0, 0, 0);
#endif
}
private:
#if HAVE(KDEBUG_H)
TracePointCode m_exitCode;
#endif
};
} // namespace WTF
using WTF::TraceScope;
#endif // __cplusplus
#endif // SystemTracing_h
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