[llvm-dev] How to call an (x86) cleanup/catchpad funclet

[Carlo Kok via llvm-dev]

Op 2016-04-05 om 01:35 schreef Reid Kleckner:
> For 32-bit x86, set EBP to the address of the end of the SEH
> registration node before calling any funclet. The prologue does 'addl
> $12, %ebp' to recompute the real frame pointer from that address. The
> return value of the catch handler is the label that you should jump to
> with EBP set in the same manner. The code at that label will take care
> of restoring other registers.

thanks! that works.

>
> Also, unless you absolutely need to be compatible with MSVC exceptions,
> don't use funclets for your new personality. Use landingpads. They are
> better and will get you better code.

ah ke, but landingpads won't let me catch SEH exceptions will they?

-- 
Carlo Kok
RemObjects Software