1/* -*- mode: C; c-basic-offset: 3; indent-tabs-mode: nil; -*- */ 2/* 3 This file is part of drd, a thread error detector. 4 5 Copyright (C) 2006-2011 Bart Van Assche <bvanassche@acm.org>. 6 7 This program is free software; you can redistribute it and/or 8 modify it under the terms of the GNU General Public License as 9 published by the Free Software Foundation; either version 2 of the 10 License, or (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, but 13 WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 20 02111-1307, USA. 21 22 The GNU General Public License is contained in the file COPYING. 23*/ 24 25#include <stdint.h> 26#include <stdio.h> 27#include "valgrind.h" 28#include "drd.h" 29#include "pub_tool_redir.h" 30 31/* 32 * On Mac OS X shared library functions are lazily bound. The binding mechanism 33 * uses self-modifying code. Intercept fastBindLazySymbol() in order to suppress 34 * the data accesses involved in this mechanism. 35 * 36 * See also the Mac OS X ABI Dynamic Loader Reference (http://developer.apple.com/library/mac/#documentation/DeveloperTools/Reference/MachOReference/Reference/reference.html#//apple_ref/c/func/dyld_stub_binding_helper). 37 * See also the dyld_stub_binder() source code (http://www.opensource.apple.com/source/dyld/dyld-132.13/src/dyld_stub_binder.s). 38 * See also the dyld::fastBindLazySymbol() source code (http://opensource.apple.com/source/dyld/dyld-132.13/src/dyld.cpp). 39 */ 40void* VG_WRAP_FUNCTION_ZZ(dyld, ZuZZN4dyld18fastBindLazySymbolEPP11ImageLoaderm) 41 (void** imageLoaderCache, uintptr_t lazyBindingInfoOffset); 42void* VG_WRAP_FUNCTION_ZZ(dyld, ZuZZN4dyld18fastBindLazySymbolEPP11ImageLoaderm) 43 (void** imageLoaderCache, uintptr_t lazyBindingInfoOffset) 44{ 45 void* res; 46 OrigFn fn; 47 48 VALGRIND_GET_ORIG_FN(fn); 49 50 ANNOTATE_IGNORE_READS_AND_WRITES_BEGIN(); 51 CALL_FN_W_WW(res, fn, imageLoaderCache, lazyBindingInfoOffset); 52 ANNOTATE_IGNORE_READS_AND_WRITES_END(); 53 54 return res; 55} 56