Re: [PATCH] FDPIC: Ignore the loader's PT_GNU_STACK whencalculating the stack size

[Pavel Machek]

On Wed 2009-07-08 12:01:40, David Howells wrote:
> Pavel Machek <pavel@xxxxxx> wrote:
> 
> > The patch seems wrong to me; loader needs the stack, too, right?
> > 
> > What about making sure that the loader specifies reasonable stack
> > size, instead?
> 
> The loader doesn't need its own stack, unless it _is_ the executable.  It uses
> the executable's stack.  The problem is that the executable and the loader can
> both specify the stack size for NOMMU, but which one do we pick, or do we
> consider both.

Imageine loader needs 64K, while executable only needs 4K. You surely
want to execute it with 64K stack, because it will not fit into 4K?

-- 
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