diff -Nur webkit-1.3.10.orig/Source/JavaScriptCore/wtf/Platform.h webkit-1.3.10/Source/JavaScriptCore/wtf/Platform.h --- webkit-1.3.10.orig/Source/JavaScriptCore/wtf/Platform.h 2011-01-10 18:07:11.000000000 -0700 +++ webkit-1.3.10/Source/JavaScriptCore/wtf/Platform.h 2011-01-10 20:53:01.422468389 -0700 @@ -1036,7 +1036,7 @@ #endif /* Setting this flag prevents the assembler from using RWX memory; this may improve security but currectly comes at a significant performance cost. */ -#if PLATFORM(IOS) +#if PLATFORM(IOS) || PLATFORM(X86) || PLATFORM(X86_64) #define ENABLE_ASSEMBLER_WX_EXCLUSIVE 1 #else #define ENABLE_ASSEMBLER_WX_EXCLUSIVE 0