15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2011 Google Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions are 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Neither the name of Google Inc. nor the names of its 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * contributors may be used to endorse or promote products derived from 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * this software without specific prior written permission. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "DynamicAnnotations.h" 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#if USE(DYNAMIC_ANNOTATIONS) && !USE(DYNAMIC_ANNOTATIONS_NOIMPL) 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// Identical code folding(-Wl,--icf=all) countermeasures. 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// This makes all Annotate* functions different, which prevents the linker from 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// folding them. 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifdef __COUNTER__ 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define DYNAMIC_ANNOTATIONS_IMPL \ 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) volatile short lineno = (__LINE__ << 8) + __COUNTER__; \ 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) (void)lineno; 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#else 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define DYNAMIC_ANNOTATIONS_IMPL \ 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) volatile short lineno = (__LINE__ << 8); \ 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) (void)lineno; 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void WTFAnnotateBenignRaceSized(const char*, int, const volatile void*, long, const char*) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) DYNAMIC_ANNOTATIONS_IMPL 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void WTFAnnotateHappensBefore(const char*, int, const volatile void*) 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) DYNAMIC_ANNOTATIONS_IMPL 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void WTFAnnotateHappensAfter(const char*, int, const volatile void*) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) DYNAMIC_ANNOTATIONS_IMPL 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // USE(DYNAMIC_ANNOTATIONS) && !USE(DYNAMIC_ANNOTATIONS_NOIMPL) 62