Hi
I am new to Valgrind. When I use valgrind to try to develop my own tool, I
come across a confusion.
I want to do a reverse taint analysis and my taint sink is the content in
the syscall_send.
First I need to wrap the send function. I review some code written by
others. I noticed that VG_(needs_syscall_wrapper)
and VG_(needs_client_requests) both can wrapper the function, right?
For VG_(needs_syscall_wrapper) , we can switch the syscall number to
wrapper the functin.
For VG_(needs_client_requests), we can switch the function name
by VALGRIND_DO_CLIENT_REQUEST_STMT.
I am not sure whether my understanding is right or not. I don't know the
use of VG_(needs_client_requests).
Besides, it would be great if someone could give me some hind on
implementing the reverse taint analysis by valgrind. Many Thanks
Regards
Muhui
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