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Re: MPX ABI extension
- From: Kalle Olavi Niemitalo <kon at iki dot fi>
- To: Ilya Enkovich <enkovich dot gnu at gmail dot com>
- Cc: GNU C Library <libc-alpha at sourceware dot org>, GCC Development <gcc at gcc dot gnu dot org>, Binutils <binutils at sourceware dot org>, "Melik-Adamyan\, Areg" <areg dot melik-adamyan at intel dot com>, "Girkar\, Milind" <milind dot girkar at intel dot com>, Vyacheslav P <vyacheslav dot p dot zakharin at intel dot com>, "Kreitzer\, David L" <david dot l dot kreitzer at intel dot com>, "H.J. Lu" <hjl dot tools at gmail dot com>
- Date: Tue, 27 Aug 2013 09:15:58 +0300
- Subject: Re: MPX ABI extension
- Authentication-results: sourceware.org; auth=none
- References: <CAMbmDYYUH+iAE9mASkUfoGYOxvUfJSQvUpvYUXF+_CK2-ZXhrA at mail dot gmail dot com>
Ilya Enkovich <enkovich.gnu@gmail.com> writes:
> - When we pass (return) pointer on register, we use the next
> available bound register to pass (return) bounds
>From the wording, it seems function pointers get bounds too.
If so, it might be good to state that explicitly.
I suppose they would be all-of-memory bounds though,
due to the lack of hardware support for checking them.