[Patch] pe/coff x86-64: improve dump of unwind v2
Corinna Vinschen
vinschen@redhat.com
Thu Dec 5 08:53:00 GMT 2013
On Dec 5 09:22, Tristan Gingold wrote:
>
> On 04 Dec 2013, at 16:03, Corinna Vinschen <vinschen@redhat.com> wrote:
>
> > Hi Tristan,
> >
> >
> > thanks for following up on this with a patch. I'm just a bit confused
> > about the first EPILOG info value.
>
>
> For the EPILOG opcode, the 'prolog offset' byte is used differently:
>
> > First you write:
> >
> > On Dec 4 15:47, Tristan Gingold wrote:
> >> [...] the first EPILOG opcode contains the length of the epilogue, [...]
> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> in the 'prolog offset' byte.
>
> > Then you write:
> >
> >> I am not sure about the meaning of the info of the first EPILOG opcode. It looks like
> >> it is set to 1 if there is an epilog at the end of the function. [...]
> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> (that's the info nibble).
>
> > Which one wins?
>
> Hopes this clarifies :-)
Yes, it does.
Thank you,
Corinna
--
Corinna Vinschen
Cygwin Maintainer
Red Hat
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