A proposal to align GCC stack

[Daniel Jacobowitz]

On Mon, Dec 17, 2007 at 11:25:35PM -0500, Ross Ridge wrote:
> >//  Reserve two stack slots and save return address 
> >//  and previous frame pointer into them. By
> >//  pointing new ebp to them, we build a pseudo 
> >//  stack for unwinding
> 
> Hmmm... I don't know much about the DWARF unwind information, but
> couldn't it handle this case without creating the "pseudo frame"?
> Or at least be extended so it could?

In practice, there are non-DWARF unwinders scattered all over that
work on i386 and folks want to keep them working.  DWARF has no
trouble handling this sort of thing.

-- 
Daniel Jacobowitz
CodeSourcery