Re: x86-64: Maintain 16-byte stack alignment

[Herbert Xu]

On Thu, Jan 12, 2017 at 05:46:55PM -0800, Andy Lutomirski wrote:
> 
> What I mean is: what guarantees that the stack is properly aligned for
> the subroutine call?  gcc promises to set up a stack frame, but does
> it promise that rsp will be properly aligned to call a C function?

Yes, as long as you don't go behind its back and start directly
pushing things onto the stack with inline asm.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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