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Re: [Factor-talk] Callbacks not preserving %rbx on x86-64 Slava Pestov Mon Sep 15 00:05:36 2008

On Sat, Sep 13, 2008 at 12:16 PM, Joe Groff <[EMAIL PROTECTED]> wrote:
> Hi guys. I think I've figured out what's causing the segfaults in the
> UI on OS X x86-64. It looks like the %rbx register, which should be
> callee-preserved, is getting clobbered by the code Factor generates
> for -[FactorView drawRect:] (from ui.cocoa.views). As you can see in
> the following disassembly, it saves %rbx to the stack but never
> restores it before returning:

Fixed! The UI now runs and responds to keyboard events; "compiler"
test and "ui" test in the UI listener works fine. However, mouse
events doesn't work. So close!

> Let me know when you all start getting sick of x86-64 bug reports.

Keep 'em coming.


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