X86-64 System V Application Binary Interface

1–30 of 115

This is the place to discuss modification and extension of x86-64 processor specific System V Application Binary Interface. The current x86-64 psABI source is at

https://github.com/hjl-tools/x86-psABI

0 selected

Florian Weimer, … mas...@google.com4

12/22/22

Alternative CET ABI

On Thursday, July 30, 2020 at 10:14:47 AM UTC-7 hjl....@gmail.com wrote: On Thu, Jul 30, 2020 at 9:54

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Alternative CET ABI

On Thursday, July 30, 2020 at 10:14:47 AM UTC-7 hjl....@gmail.com wrote: On Thu, Jul 30, 2020 at 9:54

12/22/22

H.J. Lu, … Michael Matz9

12/7/22

Remove MPX support

Hello, On Wed, 7 Dec 2022, 'Jan Beulich' via X86-64 System V Application Binary Interface

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Remove MPX support

Hello, On Wed, 7 Dec 2022, 'Jan Beulich' via X86-64 System V Application Binary Interface

12/7/22

Adam Sandberg Eriksson, Michael Matz2

10/27/22

meta: current pdf link MR

Hey, On Wed, 26 Oct 2022, Adam Sandberg Eriksson wrote: > I want to bring your attention to this

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meta: current pdf link MR

Hey, On Wed, 26 Oct 2022, Adam Sandberg Eriksson wrote: > I want to bring your attention to this

10/27/22

H.J. Lu, Carlos O'Donell2

10/26/22

_BitInt: Update alignment of _BitInt(N) for N > 64

On 10/25/22 17:04, HJ Lu wrote: > Hi, > > For N > 64, _BitInt(N) is aligned to 64 bits. I

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_BitInt: Update alignment of _BitInt(N) for N > 64

On 10/25/22 17:04, HJ Lu wrote: > Hi, > > For N > 64, _BitInt(N) is aligned to 64 bits. I

10/26/22

Hongtao Liu, … H.J. Lu16

6/20/22

Re: [PATCH] Add optional __Bfloat16 support

New merge request for it. https://gitlab.com/x86-psABIs/x86-64-ABI/-/merge_requests/35 On Fri, Jun 17

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Re: [PATCH] Add optional __Bfloat16 support

New merge request for it. https://gitlab.com/x86-psABIs/x86-64-ABI/-/merge_requests/35 On Fri, Jun 17

6/20/22

5/24/22

GNU_PROPERTY_X86_ISA_1_BASELINE set of features

Hello, wasn't this meant to cover everything x86-64 takes as a prereq? If so, why does it not

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GNU_PROPERTY_X86_ISA_1_BASELINE set of features

Hello, wasn't this meant to cover everything x86-64 takes as a prereq? If so, why does it not

5/24/22

H.J. Lu, … Florian Weimer6

3/1/22

Re: x86-64: new CET-enabled PLT format proposal

I do wonder if time is better spent on making symbol binding faster in general, and eliminate the

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Re: x86-64: new CET-enabled PLT format proposal

I do wonder if time is better spent on making symbol binding faster in general, and eliminate the

3/1/22

H.J. Lu, Michael Matz4

1/10/22

Need clarification for zero width bitfield

Hello, On Mon, 20 Dec 2021, HJ Lu wrote: > > > The current psABI doesn't seem to mention

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Need clarification for zero width bitfield

Hello, On Mon, 20 Dec 2021, HJ Lu wrote: > > > The current psABI doesn't seem to mention

1/10/22

H.J. Lu, … Florian Weimer7

8/25/21

[PATCH v2] Add _BitInt(N) from ISO/IEC WG14 N2763

On Wed, Aug 25, 2021 at 5:59 AM Florian Weimer <fwe...@redhat.com> wrote: > > * HJ Lu:

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[PATCH v2] Add _BitInt(N) from ISO/IEC WG14 N2763

On Wed, Aug 25, 2021 at 5:59 AM Florian Weimer <fwe...@redhat.com> wrote: > > * HJ Lu:

8/25/21

H.J. Lu, … Michael Matz5

8/14/21

[PATCH] Add optional _BitInt(N) from ISO/IEC WG14 N2763

On Tue, Aug 10, 2021 at 8:52 AM Michael Matz <ma...@suse.de> wrote: > > Hello, > >

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[PATCH] Add optional _BitInt(N) from ISO/IEC WG14 N2763

On Tue, Aug 10, 2021 at 8:52 AM Michael Matz <ma...@suse.de> wrote: > > Hello, > >

8/14/21

H.J. Lu, Jan Beulich2

7/20/21

[PATCH] Add a footnote for passing arguments to landing pad

On 19.07.2021 19:55, HJ Lu wrote: > --- a/x86-64-ABI/libraries.tex > +++ b/x86-64-ABI/libraries

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[PATCH] Add a footnote for passing arguments to landing pad

On 19.07.2021 19:55, HJ Lu wrote: > --- a/x86-64-ABI/libraries.tex > +++ b/x86-64-ABI/libraries

7/20/21

H.J. Lu, … Fāng-ruì Sòng6

7/19/21

[PATCH] Correct registers used for passing arguments to landing pad

On Mon, Jul 19, 2021 at 6:16 AM 'Jan Beulich' via X86-64 System V Application Binary

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[PATCH] Correct registers used for passing arguments to landing pad

On Mon, Jul 19, 2021 at 6:16 AM 'Jan Beulich' via X86-64 System V Application Binary

7/19/21

H.J. Lu, Jan Beulich4

5/25/21

[PATCH] Add GNU_PROPERTY_X86_FEATURE_2_CODE16

On Tue, May 25, 2021 at 6:00 AM Jan Beulich <jbeu...@suse.com> wrote: > > On 25.05.2021

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[PATCH] Add GNU_PROPERTY_X86_FEATURE_2_CODE16

On Tue, May 25, 2021 at 6:00 AM Jan Beulich <jbeu...@suse.com> wrote: > > On 25.05.2021

5/25/21

5/24/21

[PATCH] Document how complex __float128 is passed

Complex __float128 is passed as if: struct complex __float128 { __float128 real; __float128 imag; };

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[PATCH] Document how complex __float128 is passed

Complex __float128 is passed as if: struct complex __float128 { __float128 real; __float128 imag; };

5/24/21

H.J. Lu, … Fāng-ruì Sòng14

5/16/21

RFC: R_X86_64_COPY and function pointer

On 2021-01-07, HJ Lu wrote: >On Thu, Jan 7, 2021 at 1:00 PM Fāng-ruì Sòng <mas...@google.com

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RFC: R_X86_64_COPY and function pointer

On 2021-01-07, HJ Lu wrote: >On Thu, Jan 7, 2021 at 1:00 PM Fāng-ruì Sòng <mas...@google.com

5/16/21

H.J. Lu, … Fangrui Song10

5/4/21

[PATCH] Clarify R_X86_64_REX_GOTPCRELX transformation

On Tue, May 4, 2021 at 9:15 AM Michael Matz <ma...@suse.de> wrote: > > Hello, > > On

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[PATCH] Clarify R_X86_64_REX_GOTPCRELX transformation

On Tue, May 4, 2021 at 9:15 AM Michael Matz <ma...@suse.de> wrote: > > Hello, > > On

5/4/21

4/28/21

[PATCH] Document GNU_PROPERTY_X86_XXX

https://gitlab.com/x86-psABIs/x86-64-ABI/-/merge_requests/13 HJ ---- The .note.gnu.property section

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[PATCH] Document GNU_PROPERTY_X86_XXX

https://gitlab.com/x86-psABIs/x86-64-ABI/-/merge_requests/13 HJ ---- The .note.gnu.property section

4/28/21

3/19/21

Fine-grained Forward CFI on top of Intel CET / IBT

>> That is a good point about R11 availability. Have you examined kernel >> images for

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Fine-grained Forward CFI on top of Intel CET / IBT

>> That is a good point about R11 availability. Have you examined kernel >> images for

3/19/21

Lukas Diekmann, … Florian Weimer5

3/4/21

Change to the documentation discussing stack frames

The pull request for this is ready but unfortunately seems to have stalled: https://gitlab.com/x86-

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Change to the documentation discussing stack frames

The pull request for this is ready but unfortunately seems to have stalled: https://gitlab.com/x86-

3/4/21

H.J. Lu, xiang1...@intel.com3

12/22/20

x86-64-psABI: Add Intel LAM support

On Tue, Dec 22, 2020 at 4:29 PM xiang1...@intel.com <xiang1...@intel.com> wrote: > >

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x86-64-psABI: Add Intel LAM support

On Tue, Dec 22, 2020 at 4:29 PM xiang1...@intel.com <xiang1...@intel.com> wrote: > >

12/22/20

H.J. Lu, … Florian Weimer13

9/11/20

Passing and returning "non-standard" vector types aren't specified

* HJ Lu: >> > I found this: >> > >> > Vector (SIMD) Function ABI >>

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Passing and returning "non-standard" vector types aren't specified

* HJ Lu: >> > I found this: >> > >> > Vector (SIMD) Function ABI >>

9/11/20

H.J. Lu, … Florian Weimer3

8/31/20

[RFC] Document the %fs segment register as the thread pointer

* Jan Beulich: > On 29.08.2020 17:38, HJ Lu wrote: >> The %fs segment register is designated

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[RFC] Document the %fs segment register as the thread pointer

* Jan Beulich: > On 29.08.2020 17:38, HJ Lu wrote: >> The %fs segment register is designated

8/31/20

H.J. Lu, Florian Weimer4

8/7/20

[x86-64 psABI] x86-64 micro-architecture levels

On Fri, Aug 7, 2020 at 9:28 AM Florian Weimer <fwe...@redhat.com> wrote: > > * HJ Lu:

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[x86-64 psABI] x86-64 micro-architecture levels

On Fri, Aug 7, 2020 at 9:28 AM Florian Weimer <fwe...@redhat.com> wrote: > > * HJ Lu:

8/7/20

8/3/20

[x86-64 psABI] RFC: Document Intel AMX

Intel Advanced Matrix Extensions (Intel AMX) is a new programming paradigm consisting of two

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[x86-64 psABI] RFC: Document Intel AMX

Intel Advanced Matrix Extensions (Intel AMX) is a new programming paradigm consisting of two

8/3/20

Florian Weimer, … Carlos O'Donell25

7/31/20

New x86-64 micro-architecture levels

On 7/22/20 6:34 AM, Florian Weimer wrote: > * Jan Beulich: > >> On 21.07.2020 20:04,

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New x86-64 micro-architecture levels

On 7/22/20 6:34 AM, Florian Weimer wrote: > * Jan Beulich: > >> On 21.07.2020 20:04,

7/31/20

H.J. Lu, Joseph Myers4

5/5/20

Document MXCSR register behavior for exception handling

On Tue, May 5, 2020 at 2:31 PM HJ Lu <hjl....@gmail.com> wrote: > > On Tue, May 5, 2020

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Document MXCSR register behavior for exception handling

On Tue, May 5, 2020 at 2:31 PM HJ Lu <hjl....@gmail.com> wrote: > > On Tue, May 5, 2020

5/5/20

H.J. Lu, … Florian Weimer7

5/4/20

RFC: Add optional _Float16 support

On Mon, May 4, 2020 at 7:47 AM Florian Weimer <fwe...@redhat.com> wrote: > > * HJ Lu:

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RFC: Add optional _Float16 support

On Mon, May 4, 2020 at 7:47 AM Florian Weimer <fwe...@redhat.com> wrote: > > * HJ Lu:

5/4/20

H.J. Lu, … Michael Matz35

4/7/20

RFC: Usefulness of SHT_X86_64_UNWIND

Hello, On Wed, 1 Apr 2020, 'Fangrui Song' via X86-64 System V Application Binary Interface

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RFC: Usefulness of SHT_X86_64_UNWIND

Hello, On Wed, 1 Apr 2020, 'Fangrui Song' via X86-64 System V Application Binary Interface

4/7/20

Sriraman Tallam, … Ali Bahrami11

2/11/20

Re: Request for a new relaxed relocation types to support Basic Block Sections

Hello Ali, On Tue, Feb 11, 2020 at 12:56 PM Ali Bahrami <Ali.B...@oracle.com> wrote: >

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Re: Request for a new relaxed relocation types to support Basic Block Sections

Hello Ali, On Tue, Feb 11, 2020 at 12:56 PM Ali Bahrami <Ali.B...@oracle.com> wrote: >

2/11/20

H.J. Lu, … Michael Matz15

1/28/20

RFC: Require REX prefix to encode R_X86_64_GOTTPOFF

Hello HJ, On Mon, 27 Jan 2020, HJ Lu wrote: > There are 2 kinds of TLSDESC relaxations: GDesc -

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RFC: Require REX prefix to encode R_X86_64_GOTTPOFF

Hello HJ, On Mon, 27 Jan 2020, HJ Lu wrote: > There are 2 kinds of TLSDESC relaxations: GDesc -

1/28/20

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