Re: [PATCH 02/17] x86, lto: Mark all top level asm statements as .text

[Andi Kleen]

On Tue, Mar 26, 2019 at 06:03:59PM +0100, Thomas Gleixner wrote:
> Andi,
> 
> On Thu, 21 Mar 2019, Andi Kleen wrote:
> 
> > With gcc 8 toplevel assembler statements that do not mark themselves
> > as .text may end up in other sections.
> 
> Which is clearly a change in behaviour. Is that intended or just yet
> another feature of GCC?

I'm not sure it's a new behavior, but I've seen it first
with gcc 8.

> 
> Your subject says: 'x86, lto:'
> 
> So is this a LTO related problem or is the section randomization
> independent of LTO?

The basic behavior is independent of LTO, but I've only seen
failures with LTO. But I believe in theory it could lead
to failures even without LTO.

-Andi