Re: [Valgrind-developers] Valgrinding an ARM process using an x86 built valgrind

[Tom H. <to...@co...>]

On 17/04/13 20:55, Niall Douglas wrote:

> I was wondering what would be the issues, if any, of valgrinding a foreign
> architecture process e.g. building an x86 build of ARM valgrind and then
> using that to valgrind an ARM executable on an x86 machine? Obviously it
> could load a local set of foreign architecture shared libraries etc. easily
> enough. I can see perhaps though that the syscall kernel interface might
> vary, and that could be a problem.
>
> Other than that though, what would stand in the way? Surely as it emulates
> the instruction set it ought to work right?

This is not supported at all.

Yes, in theory VEX might be able to cross translate the code (though I 
think there might be problems even there) but the big stumbling block is 
that there is absolutely no support for translating system calls from 
one architecture to another.

Tom

-- 
Tom Hughes (to...@co...)
http://compton.nu/