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61 lines
2.2 KiB
C++
61 lines
2.2 KiB
C++
/*
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* Copyright (C) 2011 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "flutter/sky/engine/wtf/DynamicAnnotations.h"
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#if USE(DYNAMIC_ANNOTATIONS) && !USE(DYNAMIC_ANNOTATIONS_NOIMPL)
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// Identical code folding(-Wl,--icf=all) countermeasures.
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// This makes all Annotate* functions different, which prevents the linker from
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// folding them.
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#ifdef __COUNTER__
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#define DYNAMIC_ANNOTATIONS_IMPL \
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volatile short lineno = (__LINE__ << 8) + __COUNTER__; \
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(void)lineno;
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#else
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#define DYNAMIC_ANNOTATIONS_IMPL \
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volatile short lineno = (__LINE__ << 8); \
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(void)lineno;
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#endif
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void WTFAnnotateBenignRaceSized(const char*, int, const volatile void*, long, const char*)
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{
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DYNAMIC_ANNOTATIONS_IMPL
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}
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void WTFAnnotateHappensBefore(const char*, int, const volatile void*)
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{
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DYNAMIC_ANNOTATIONS_IMPL
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}
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void WTFAnnotateHappensAfter(const char*, int, const volatile void*)
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{
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DYNAMIC_ANNOTATIONS_IMPL
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}
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#endif // USE(DYNAMIC_ANNOTATIONS) && !USE(DYNAMIC_ANNOTATIONS_NOIMPL)
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