From: "H.J. Lu" <hjl.tools@gmail.com>
To: GNU gABI gnu-gabi <gnu-gabi@sourceware.org>,
GCC Development <gcc@gcc.gnu.org>,
Binutils <binutils@sourceware.org>,
GNU C Library <libc-alpha@sourceware.org>,
llvm-dev@lists.llvm.org
Subject: Re: RFC: Add GNU_PROPERTY_UINT32_AND_XXX/GNU_PROPERTY_UINT32_OR_XXX
Date: Thu, 17 Jun 2021 11:59:22 -0700 [thread overview]
Message-ID: <CAMe9rOpNj34non3tvc00H5msENoQu2igspR_OafyZon049gg-w@mail.gmail.com> (raw)
In-Reply-To: <CAMe9rOoG6NtMFp=jdj9yKPqoWbQ0932OodVRVcVsCUxhi8dLnQ@mail.gmail.com>
On Thu, Jan 21, 2021 at 7:02 AM H.J. Lu <hjl.tools@gmail.com> wrote:
>
> On Wed, Jan 13, 2021 at 9:06 AM H.J. Lu <hjl.tools@gmail.com> wrote:
> >
> > 1. GNU_PROPERTY_UINT32_AND_LO..GNU_PROPERTY_UINT32_AND_HI
> >
> > #define GNU_PROPERTY_UINT32_AND_LO 0xb0000000
> > #define GNU_PROPERTY_UINT32_AND_HI 0xb0007fff
> >
> > A bit in the output pr_data field is set only if it is set in all
> > relocatable input pr_data fields. If all bits in the the output
> > pr_data field are zero, this property should be removed from output.
> >
> > If the bit is 1, all input relocatables have the feature. If the
> > bit is 0 or the property is missing, the info is unknown.
> >
> > 2. GNU_PROPERTY_UINT32_OR_LO..GNU_PROPERTY_UINT32_OR_HI
> >
> > #define GNU_PROPERTY_UINT32_OR_LO 0xb0008000
> > #define GNU_PROPERTY_UINT32_OR_HI 0xb000ffff
> >
> > A bit in the output pr_data field is set if it is set in any
> > relocatable input pr_data fields. If all bits in the the output
> > pr_data field are zero, this property should be removed from output.
> >
> > If the bit is 1, some input relocatables have the feature. If the
> > bit is 0 or the property is missing, the info is unknown.
> >
> > The PDF is at
> >
> > https://gitlab.com/x86-psABIs/Linux-ABI/-/wikis/uploads/0690db0a3b7e5d8a44e0271a4be54aa7/linux-gABI-and-or-2021-01-13.pdf
> >
> > --
> > H.J.
>
> Here is the binutils patch to implement it.
>
If there are no objections, I will check it in tomorrow.
--
H.J.
next prev parent reply other threads:[~2021-06-17 19:00 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-13 17:06 H.J. Lu
2021-01-21 15:02 ` H.J. Lu
2021-01-21 21:42 ` Fangrui Song
2021-04-17 12:48 ` H.J. Lu
2021-04-17 18:25 ` Fangrui Song
2021-04-17 19:05 ` H.J. Lu
2021-06-17 18:59 ` H.J. Lu [this message]
2021-06-17 19:38 ` [llvm-dev] " Fangrui Song
2021-06-17 19:45 ` H.J. Lu
2021-06-17 20:25 ` Fāng-ruì Sòng
2021-06-17 23:01 ` H.J. Lu
2021-06-18 0:06 ` Fāng-ruì Sòng
2021-06-18 0:24 ` H.J. Lu
2021-06-18 0:49 ` Fāng-ruì Sòng
2021-06-18 2:40 ` H.J. Lu
2021-06-21 14:35 ` Michael Matz
2021-06-22 14:30 ` H.J. Lu
2021-06-22 14:54 ` Michael Matz
2021-06-18 2:45 ` H.J. Lu
2021-06-18 15:38 ` RFC: Add GNU_PROPERTY_1_NEEDED H.J. Lu
2021-06-18 21:34 ` [llvm-dev] " Fangrui Song
2021-06-19 1:09 ` H.J. Lu
2021-09-27 14:22 RFC: Add GNU_PROPERTY_UINT32_AND_XXX/GNU_PROPERTY_UINT32_OR_XXX GNU gABI gnu-gabi
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