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/*
This file is part of drd, a thread error detector.
Copyright (C) 2006-2015 Bart Van Assche <bvanassche@acm.org>.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307, USA.
The GNU General Public License is contained in the file COPYING.
*/
#include <stdint.h>
#include <stdio.h>
#include "pub_tool_clreq.h"
#include "drd.h"
#include "pub_tool_redir.h"
/*
* On Mac OS X shared library functions are lazily bound. The binding mechanism
* uses self-modifying code. Intercept fastBindLazySymbol() in order to suppress
* the data accesses involved in this mechanism.
*
* 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).
* See also the dyld_stub_binder() source code (http://www.opensource.apple.com/source/dyld/dyld-132.13/src/dyld_stub_binder.s).
* See also the dyld::fastBindLazySymbol() source code (http://opensource.apple.com/source/dyld/dyld-132.13/src/dyld.cpp).
*/
void* VG_WRAP_FUNCTION_ZZ(dyld, ZuZZN4dyld18fastBindLazySymbolEPP11ImageLoaderm)
(void** imageLoaderCache, uintptr_t lazyBindingInfoOffset);
void* VG_WRAP_FUNCTION_ZZ(dyld, ZuZZN4dyld18fastBindLazySymbolEPP11ImageLoaderm)
(void** imageLoaderCache, uintptr_t lazyBindingInfoOffset)
{
void* res;
OrigFn fn;
VALGRIND_GET_ORIG_FN(fn);
ANNOTATE_IGNORE_READS_AND_WRITES_BEGIN();
CALL_FN_W_WW(res, fn, imageLoaderCache, lazyBindingInfoOffset);
ANNOTATE_IGNORE_READS_AND_WRITES_END();
return res;
}
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