On Tue, Jan 14, 2014 at 10:14 AM, Samuel Quiring <
samuel_quir...@symantec.com> wrote:
> Greetings,
>
> I invoke my program as follows:
>
> LD_PRELOAD=./libfakec.so ./my_app –e
>
> The LD_PRELOAD environment variable tells the loader that libfakec.so
> should be loaded BEFORE every other library including the C runtime,
> libc.so (see
> http://stackoverflow.com/questions/426230/what-is-the-ld-preload-trick,
> for example). I am substituting some of my own routines for standard
> library calls. My app is working like I want, but the question is how to
> run the app under valgrind? I tried this:
>
> valgrind LD_PRELOAD=./libfakec.so ./my_app –e
>
> But valgrind gave and error saying that "LD_PRELOAD=./libfakec.so ./my_app
> –e" is not a valid path. In theory, I could put the LD_PRELOAD before the
> valgrind invocation:
>
> LD_PRELOAD=./libfakec.so valgrind ./my_app –e
>
> But then valgrind would also be using my special library routines and I am
> pretty sure that will not work.
>
>
Maybe you can do it with a shell-script wrapper? Eg:
run-me.sh:
#! /bin/sh
LD_PRELOAD=./libfakec.so ./myapp -e
Then run:
valgrind --trace-children=yes ./run-me.sh
-Mike
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