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From: <sv...@va...> - 2011-03-06 12:39:22
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Author: bart Date: 2011-03-06 12:39:12 +0000 (Sun, 06 Mar 2011) New Revision: 11596 Log: DRD: Added a (non-functional so far) file drd_darwin_intercepts.c. Added: trunk/drd/drd_darwin_intercepts.c Modified: trunk/drd/Makefile.am Modified: trunk/drd/Makefile.am =================================================================== --- trunk/drd/Makefile.am 2011-03-05 16:00:53 UTC (rev 11595) +++ trunk/drd/Makefile.am 2011-03-06 12:39:12 UTC (rev 11596) @@ -127,6 +127,10 @@ drd_qtcore_intercepts.c \ drd_strmem_intercepts.c +if VGCONF_OS_IS_DARWIN +VGPRELOAD_DRD_SOURCES_COMMON += drd_darwin_intercepts.c +endif + vgpreload_drd_@VGCONF_ARCH_PRI@_@VGCONF_OS@_so_SOURCES = \ $(VGPRELOAD_DRD_SOURCES_COMMON) vgpreload_drd_@VGCONF_ARCH_PRI@_@VGCONF_OS@_so_CPPFLAGS = \ Added: trunk/drd/drd_darwin_intercepts.c =================================================================== --- trunk/drd/drd_darwin_intercepts.c (rev 0) +++ trunk/drd/drd_darwin_intercepts.c 2011-03-06 12:39:12 UTC (rev 11596) @@ -0,0 +1,31 @@ +#include <stdint.h> +#include <stdio.h> +#include "valgrind.h" +#include "pub_tool_redir.h" + +#if 0 + +/* + * On Mac OS X shared library functions are lazily bound. The binding mechanism + * uses self-modifying code. Intercept dyld_stub_binder() 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). + */ +void* VG_WRAP_FUNCTION_ZZ(libSystemZdZaZddylib, dyldZustubZubinder) + (void** imageLoaderCache, uintptr_t lazyBindingInfoOffset); +void* VG_WRAP_FUNCTION_ZZ(libSystemZdZaZddylib, dyldZustubZubinder) + (void** imageLoaderCache, uintptr_t lazyBindingInfoOffset) +{ + void* res; + OrigFn fn; + + VALGRIND_GET_ORIG_FN(fn); + + CALL_FN_W_WW(res, fn, imageLoaderCache, lazyBindingInfoOffset); + + return res; +} + +#endif |