blob: b662877a5de17124322f41db91f3c8233c60c4e9 [file] [log] [blame]
/*
* Copyright (C) 2011 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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 "DynamicAnnotations.h"
#if USE(DYNAMIC_ANNOTATIONS) && !USE(DYNAMIC_ANNOTATIONS_NOIMPL)
// Identical code folding(-Wl,--icf=all) countermeasures.
// This makes all Annotate* functions different, which prevents the linker from
// folding them.
#ifdef __COUNTER__
#define DYNAMIC_ANNOTATIONS_IMPL \
volatile short lineno = (__LINE__ << 8) + __COUNTER__; \
(void)lineno;
#else
#define DYNAMIC_ANNOTATIONS_IMPL \
volatile short lineno = (__LINE__ << 8); \
(void)lineno;
#endif
void WTFAnnotateBenignRaceSized(const char*, int, const volatile void*, long, const char*)
{
DYNAMIC_ANNOTATIONS_IMPL
}
void WTFAnnotateHappensBefore(const char*, int, const volatile void*)
{
DYNAMIC_ANNOTATIONS_IMPL
}
void WTFAnnotateHappensAfter(const char*, int, const volatile void*)
{
DYNAMIC_ANNOTATIONS_IMPL
}
#endif // USE(DYNAMIC_ANNOTATIONS) && !USE(DYNAMIC_ANNOTATIONS_NOIMPL)