Win64 function markup

[Peter Johnson]

On Wed, 27 Dec 2006, Myria wrote:

> Does Yasm support the mandatory function markup required by x86-64 Windows?
> This is the ".pdata" section.  I don't see any mention of it in the
> documentation or the mailing list archives.
>
> I have yet to find an assembler other than MASM that supports .pdata.
> There's plenty of code for Win64 using other assemblers, but such programs
> are invalid Win64 executables.  If an exception occurs in such assembly
> code, even recoverable ones (stack guard page, etc.), the process will
> disappear without an error message.  ntdll.dll doesn't display an error
> because it assumes that a buffer overflow has occurred, and that showing a
> message box has a good chance of executing shellcode.  This mechanism is
> stronger on Vista than 2003.

I'd be happy to add some directives for supporting it if someone can point 
me to the necessary docs and the desired front-end directives.  I also 
accept patches :-).

Peter