Re: [Valgrind-developers] Re: Bypassing valgrind-supplied malloc() ?

[Tom H. <th...@cy...>]

In message <Pin...@gr...>
        Nicholas Nethercote <nj...@ca...> wrote:

> but it wouldn't work for, say, memcpy(), because there is no
> __libc_memcpy() alternative name to call the original version (AFAIK).
> But you can effectively wrap memcpy() by instrumenting the function's
> entry, and it's what you have to do currently anyway.

You can find it using dlsym though, either like this:

   dlsym(RTLD_NEXT, "memcpy")

which requires you to define _GNU_SOURCE to get RTLD_NEXT, or by
doing a dlopen of libc.so and then using dlsym on that handle.

Tom

-- 
Tom Hughes (th...@cy...)
Software Engineer, Cyberscience Corporation
http://www.cyberscience.com/