X86-64 System V Application Binary Interface

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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://gitlab.com/x86-psABIs/x86-64-ABI

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Victor Khimenko, Michael Matz2

Dec 11

On Fri, 6 Dec 2024, 'Victor Khimenko' via X86-64 System V Application Binary Interface wrote:

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On Fri, 6 Dec 2024, 'Victor Khimenko' via X86-64 System V Application Binary Interface wrote:

Dec 11

Nov 4

x86-64 vs GNU_PROPERTY_X86_ISA_1_BASELINE

Hello, the features covered by GNU_PROPERTY_X86_ISA_1_BASELINE are prereq-s for x86-64, aiui. Is

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x86-64 vs GNU_PROPERTY_X86_ISA_1_BASELINE

Hello, the features covered by GNU_PROPERTY_X86_ISA_1_BASELINE are prereq-s for x86-64, aiui. Is

Nov 4

Florian Weimer, … Stephen Röttger8

Oct 2

Alternative CET ABI

> If this would look like the plt, it should work without run-time code generation. > So for

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Alternative CET ABI

> If this would look like the plt, it should work without run-time code generation. > So for

Oct 2

Jan Beulich, … Roland McGrath7

Mar 24

Dwarf2 register number for SSP

I would strongly encourage assigning DWARF numbers for all registers. It doesn't matter if

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Dwarf2 register number for SSP

I would strongly encourage assigning DWARF numbers for all registers. It doesn't matter if

Mar 24

coshvji cujmlqef

Feb 22

Hi. Can we documentary ms abi too?

i think sysv-abi documentary should also document microsoft abi on x86_64 because both gcc and clang

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Hi. Can we documentary ms abi too?

i think sysv-abi documentary should also document microsoft abi on x86_64 because both gcc and clang

Feb 22

H.J. Lu, … Florian Weimer11

Feb 22

[PATCH] Assign DWARF register number mapping for AMX registers

On Wed, Feb 21, 2024 at 9:27 AM HJ Lu <hjl....@gmail.com> wrote: > > On Thu, Feb 15,

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[PATCH] Assign DWARF register number mapping for AMX registers

On Wed, Feb 21, 2024 at 9:27 AM HJ Lu <hjl....@gmail.com> wrote: > > On Thu, Feb 15,

Feb 22

Jan Beulich, … Michael Matz8

Feb 22

value extension (or not) during parameter passing

On 22.02.2024 15:02, Michael Matz wrote: > Heyho again, > > On Thu, 22 Feb 2024, Michael

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value extension (or not) during parameter passing

On 22.02.2024 15:02, Michael Matz wrote: > Heyho again, > > On Thu, 22 Feb 2024, Michael

Feb 22

H.J. Lu, … Jan Beulich6

Feb 12

[RFC] Should unused bits in _BitInt be zeroed?

On 12.02.2024 15:35, Michael Matz wrote: > On Thu, 8 Feb 2024, HJ Lu wrote: > >> Should

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[RFC] Should unused bits in _BitInt be zeroed?

On 12.02.2024 15:35, Michael Matz wrote: > On Thu, 8 Feb 2024, HJ Lu wrote: > >> Should

Feb 12

Florian Weimer, H.J. Lu3

Feb 11

GCC and the GNU2 TLS descriptor call ABI

On Sun, Feb 11, 2024 at 6:24 AM HJ Lu <hjl....@gmail.com> wrote: > > On Sun, Feb 11,

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GCC and the GNU2 TLS descriptor call ABI

On Sun, Feb 11, 2024 at 6:24 AM HJ Lu <hjl....@gmail.com> wrote: > > On Sun, Feb 11,

Feb 11

H.J. Lu, Michael Matz2

Feb 6

[PATCH] APX: Add R_X86_64_CODE_(5|6)_(GOTPCRELX|GOTTPOFF|GOTPC32_TLSDESC)

Hello, On Tue, 6 Feb 2024, HJ Lu wrote: > Add 6 new relocations: > > #define

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[PATCH] APX: Add R_X86_64_CODE_(5|6)_(GOTPCRELX|GOTTPOFF|GOTPC32_TLSDESC)

Hello, On Tue, 6 Feb 2024, HJ Lu wrote: > Add 6 new relocations: > > #define

Feb 6

H.J. Lu, … Michael Matz8

Feb 6

[PATCH] APX: Add R_X86_64_CODE_6_GOTTPOFF

On Tue, Feb 6, 2024 at 5:31 AM Michael Matz <ma...@suse.de> wrote: > > Heyho, > > On

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[PATCH] APX: Add R_X86_64_CODE_6_GOTTPOFF

On Tue, Feb 6, 2024 at 5:31 AM Michael Matz <ma...@suse.de> wrote: > > Heyho, > > On

Feb 6

connor horman, James Y Knight2

Jan 27

Specify the ABI of C/++11 atomics

The ABI should also specify the size/alignment of C11 atomic types. Eg: typedef _Atomic struct {char

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Specify the ABI of C/++11 atomics

The ABI should also specify the size/alignment of C11 atomic types. Eg: typedef _Atomic struct {char

Jan 27

H.J. Lu, Jan Beulich17

Jan 22

Document GNU_PROPERTY_X86_XXX

On 26.09.2023 17:34, HJ Lu wrote: > On Tue, Sep 26, 2023 at 12:50 AM Jan Beulich <jbeulich@suse

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Document GNU_PROPERTY_X86_XXX

On 26.09.2023 17:34, HJ Lu wrote: > On Tue, Sep 26, 2023 at 12:50 AM Jan Beulich <jbeulich@suse

Jan 22

H.J. Lu, … Michael Matz3

Jan 9

Make __int128 mandatory

Hello, On Thu, 4 Jan 2024, 'Jan Beulich' via X86-64 System V Application Binary Interface

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Make __int128 mandatory

Hello, On Thu, 4 Jan 2024, 'Jan Beulich' via X86-64 System V Application Binary Interface

Jan 9

Sunil Pandey, … Jan Beulich7

Jan 7

__BitInt(N) size and alignment change request for N > 64

On Thursday, January 4, 2024 at 12:48:14 AM UTC-8 jbeu...@suse.com wrote: On 31.12.2023 01:51, Sunil

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__BitInt(N) size and alignment change request for N > 64

On Thursday, January 4, 2024 at 12:48:14 AM UTC-8 jbeu...@suse.com wrote: On 31.12.2023 01:51, Sunil

Jan 7

Noah Goldstein, H.J. Lu2

Jan 5

[RFC][PATCH] Add power of 2 requirement to DT_X86_64_PLTENT

On Thu, Jan 4, 2024 at 7:50 PM Noah Goldstein <goldst...@gmail.com> wrote: > > ---

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[RFC][PATCH] Add power of 2 requirement to DT_X86_64_PLTENT

On Thu, Jan 4, 2024 at 7:50 PM Noah Goldstein <goldst...@gmail.com> wrote: > > ---

Jan 5

mas...@google.com, … Michael Matz18

10/16/23

Large data sections for the large code model

On Mon, Oct 16, 2023 at 6:38 AM Uros Bizjak <ubi...@gmail.com> wrote: > > On Mon, Oct 16

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Large data sections for the large code model

On Mon, Oct 16, 2023 at 6:38 AM Uros Bizjak <ubi...@gmail.com> wrote: > > On Mon, Oct 16

10/16/23

H.J. Lu, … Michael Matz13

9/20/23

[RFC][PATCH] Add DT_X86_64_PLT/DT_X86_64_PLTSZ/DT_X86_64_PLTENT

On Fri, Sep 15, 2023 at 6:29 AM Michael Matz <ma...@suse.de> wrote: > > Hello, > >

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[RFC][PATCH] Add DT_X86_64_PLT/DT_X86_64_PLTSZ/DT_X86_64_PLTENT

On Fri, Sep 15, 2023 at 6:29 AM Michael Matz <ma...@suse.de> wrote: > > Hello, > >

9/20/23

H.J. Lu, Michael Matz3

9/12/23

[RFC][PATCH] APX: Add R_X86_64_CODE_4_GOTPC32_TLSDESC

On Mon, Sep 11, 2023 at 5:45 AM Michael Matz <ma...@suse.de> wrote: > > Hey, > > On

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[RFC][PATCH] APX: Add R_X86_64_CODE_4_GOTPC32_TLSDESC

On Mon, Sep 11, 2023 at 5:45 AM Michael Matz <ma...@suse.de> wrote: > > Hey, > > On

9/12/23

H.J. Lu, … Jan Beulich8

9/12/23

[RFC][PATCH] APX: Add R_X86_64_CODE_4_GOTPCRELX

On 11.09.2023 19:21, HJ Lu wrote: > On Sun, Sep 10, 2023 at 11:13 PM Jan Beulich <jbeulich@suse

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[RFC][PATCH] APX: Add R_X86_64_CODE_4_GOTPCRELX

On 11.09.2023 19:21, HJ Lu wrote: > On Sun, Sep 10, 2023 at 11:13 PM Jan Beulich <jbeulich@suse

9/12/23

H.J. Lu, Michael Matz4

9/7/23

[RFC][PATCH] APX: Add R_X86_64_CODE_4_GOTTPOFF

On Thu, Sep 7, 2023 at 8:44 AM HJ Lu <hjl....@gmail.com> wrote: > > On Wed, Sep 6, 2023

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[RFC][PATCH] APX: Add R_X86_64_CODE_4_GOTTPOFF

On Thu, Sep 7, 2023 at 8:44 AM HJ Lu <hjl....@gmail.com> wrote: > > On Wed, Sep 6, 2023

9/7/23

Ofek Shilon, … Florian Weimer3

9/5/23

Function Addresses

* Ofek Shilon: > It appears from brief testing (just gcc/x64) that this is not the > mechanism

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Function Addresses

* Ofek Shilon: > It appears from brief testing (just gcc/x64) that this is not the > mechanism

9/5/23

connor horman, … Phoebe Wang15

8/16/23

Clarify function ABI of vector types (__m256 and __m512) when features aren't available

Jan Beulich <jbeu...@suse.com> 于2023年8月16日周三 19:32写道： On 16.08.2023 12:48, Phoebe Wang wrote:

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Clarify function ABI of vector types (__m256 and __m512) when features aren't available

Jan Beulich <jbeu...@suse.com> 于2023年8月16日周三 19:32写道： On 16.08.2023 12:48, Phoebe Wang wrote:

8/16/23

Trevor Gross, … Jubilee Young16

8/15/23

Make `_Alignof(_BitInt(128))` == `_Alignof(__int128)`

On Tuesday, August 15, 2023 at 7:25:08 AM UTC-7 Michael Matz wrote: Hi, On Tue, 15 Aug 2023, Ballman,

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Make `_Alignof(_BitInt(128))` == `_Alignof(__int128)`

On Tuesday, August 15, 2023 at 7:25:08 AM UTC-7 Michael Matz wrote: Hi, On Tue, 15 Aug 2023, Ballman,

8/15/23

H.J. Lu, Michael Matz3

8/15/23

[RFC][PATCH] APX: Support the additional GPRs, r16-r31

Hey, On Fri, 11 Aug 2023, HJ Lu wrote: > > Intel Advanced Performance Extensions: > >

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[RFC][PATCH] APX: Support the additional GPRs, r16-r31

Hey, On Fri, 11 Aug 2023, HJ Lu wrote: > > Intel Advanced Performance Extensions: > >

8/15/23

H.J. Lu, … Michael Matz16

8/15/23

[RFC][PATCH] APX: Add R_X86_64_REX2_GOTPCRELX

Hello, On Thu, 10 Aug 2023, HJ Lu wrote: > > > > encode the distance in the relocation

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[RFC][PATCH] APX: Add R_X86_64_REX2_GOTPCRELX

Hello, On Thu, 10 Aug 2023, HJ Lu wrote: > > > > encode the distance in the relocation

8/15/23

8/11/23

[RFC] AVX10: Unify 512-bit ABI for both AVX10-256 and AVX10-512 targets

The initial discussion can be found here. Repost here to make it a formal discussion. Background

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[RFC] AVX10: Unify 512-bit ABI for both AVX10-256 and AVX10-512 targets

The initial discussion can be found here. Repost here to make it a formal discussion. Background

8/11/23

Hongtao Liu, … Joseph Myers16

8/10/23

Re: Intel AVX10.1 Compiler Design and Support

On Thu, 10 Aug 2023, Richard Biener via Gcc-patches wrote: > Isn't this situation similar to

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Re: Intel AVX10.1 Compiler Design and Support

On Thu, 10 Aug 2023, Richard Biener via Gcc-patches wrote: > Isn't this situation similar to

8/10/23

7/26/23

RFC: Dynamic tags for Procedure Linkage Table

Here is the updated proposal to include the APX 64-bit direct branch instruction, JMPABS. HJ ---

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RFC: Dynamic tags for Procedure Linkage Table

Here is the updated proposal to include the APX 64-bit direct branch instruction, JMPABS. HJ ---

7/26/23

H.J. Lu, … Fangrui Song37

5/26/23

RFC: Dynamic tags for Procedure Linkage Table

Procedure Linkage Table (PLT) is used to call external functions defined in executables or shared

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RFC: Dynamic tags for Procedure Linkage Table

Procedure Linkage Table (PLT) is used to call external functions defined in executables or shared

5/26/23

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