/* * 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)