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Generic System V Application Binary Interface

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Discuss modification and extension of generic System V Application Binary Interface. The current gABI

draft is at gabi.xinuos.com.

0 selected

Eyal Itkin, … Rafael Ávila de Espíndola16

Sep 28

Proposal for a new e_type value to be used for static libraries

Going over the thread and trying to summarize the points that were raised, it seems that there are

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Proposal for a new e_type value to be used for static libraries

Going over the thread and trying to summarize the points that were raised, it seems that there are

Sep 28

Fangrui Song, Ali Bahrami2

Sep 28

Solaris symbol visibilities in the new ELF specification

On 9/27/25 00:57, Fangrui Song wrote: > https://gabi.xinuos.com/elf/05-symtab.html > has been

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Solaris symbol visibilities in the new ELF specification

On 9/27/25 00:57, Fangrui Song wrote: > https://gabi.xinuos.com/elf/05-symtab.html > has been

Sep 28

Cary Coutant, … Mark Wielaard9

Sep 8

New gABI/ELF Spec Available for Public Review

Hi Cary, On Wed, 2025-09-03 at 11:23 -0700, Cary Coutant wrote: > > Could you add a license to

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New gABI/ELF Spec Available for Public Review

Hi Cary, On Wed, 2025-09-03 at 11:23 -0700, Cary Coutant wrote: > > Could you add a license to

Sep 8

connor horman, Cary Coutant4

Sep 5

OSABI Assignment

If it came down to it, we could let e_ident[EI_OSABI] = 63 be an escape value, and burn another

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OSABI Assignment

If it came down to it, we could let e_ident[EI_OSABI] = 63 be an escape value, and burn another

Sep 5

Sep 4

New e_machine values assigned

Here are two new e_machine values that have been allocated this year: #define EM_SW64 268 /* Wuxi

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New e_machine values assigned

Here are two new e_machine values that have been allocated this year: #define EM_SW64 268 /* Wuxi

Sep 4

H.J. Lu, … Mark Wielaard10

Aug 20

Re: [PATCH] ld: entry size and merge/strings attributes propagation

Hi Sam, On Wed, Aug 20, 2025 at 05:49:33PM +0100, Sam James wrote: > Cary Coutant <ccoutant@

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Re: [PATCH] ld: entry size and merge/strings attributes propagation

Hi Sam, On Wed, Aug 20, 2025 at 05:49:33PM +0100, Sam James wrote: > Cary Coutant <ccoutant@

Aug 20

Joseph Koshy, Cary Coutant2

11/24/24

Canonical list of gABI constants?

Here is the current list of e_machine constants. The values up to and including EM_RISCV (243) are

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Canonical list of gABI constants?

Here is the current list of e_machine constants. The values up to and including EM_RISCV (243) are

11/24/24

Jozef Lawrynowicz, … Fangrui Song16

10/17/24

[RFC] Proposal for new ELF extension - "Symbol meta-information"

There is a resurrected thread on https://discourse.llvm.org/t/rfc-symtab-meta-a-symtab-extension-to-

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[RFC] Proposal for new ELF extension - "Symbol meta-information"

There is a resurrected thread on https://discourse.llvm.org/t/rfc-symtab-meta-a-symtab-extension-to-

10/17/24

Fangrui Song, … Fangrui Song3

9/26/24

CREL: A compact relocation format

On Thu, Sep 26, 2024 at 2:12 AM Florian Weimer <fwe...@redhat.com> wrote: > > * Fangrui

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CREL: A compact relocation format

On Thu, Sep 26, 2024 at 2:12 AM Florian Weimer <fwe...@redhat.com> wrote: > > * Fangrui

9/26/24

Adam Sobieski, Kirk Hays3

9/19/24

Enabling Meta-commands

Thank you for indicating BusyBox. I hadn't considered that technique. For discussion, arguments

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Enabling Meta-commands

Thank you for indicating BusyBox. I hadn't considered that technique. For discussion, arguments

9/19/24

5/21/24

New e_machine value for Loongson LoongGPU

I've allocated a new e_machine value for the Loongson LoongGPU: EM_LOONGGPU = 267 -cary

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New e_machine value for Loongson LoongGPU

I've allocated a new e_machine value for the Loongson LoongGPU: EM_LOONGGPU = 267 -cary

5/21/24

Fangrui Song, … r...@google.com24

4/5/24

RELLEB: A compact relocation format

Thanks for the support and feedback, James! On Thursday, April 4, 2024 at 5:10:49 AM UTC-7 James Y

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RELLEB: A compact relocation format

Thanks for the support and feedback, James! On Thursday, April 4, 2024 at 5:10:49 AM UTC-7 James Y

4/5/24

pudh...@gmail.com, Cary Coutant2

4/3/24

New e_machine for Cambricon BANG architecture

I have allocated EM_BANG = 266. -cary On Mon, Mar 25, 2024 at 5:39 AM pudh...@gmail.com <pudh4418

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New e_machine for Cambricon BANG architecture

I have allocated EM_BANG = 266. -cary On Mon, Mar 25, 2024 at 5:39 AM pudh...@gmail.com <pudh4418

4/3/24

4/1/24

Light ELF: exploring potential size reduction

ELF's design emphasizes natural size and alignment guidelines for its control structures. While

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Light ELF: exploring potential size reduction

ELF's design emphasizes natural size and alignment guidelines for its control structures. While

4/1/24

Mark Wielaard, Roland McGrath5

8/24/23

Relative relocation (RELR) and libelf interface

I finally submitted my changes to elfutils libelf, eu-readelf and eu-elflint for supporting Relative

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Relative relocation (RELR) and libelf interface

I finally submitted my changes to elfutils libelf, eu-readelf and eu-elflint for supporting Relative

8/24/23

Fangrui Song, … Cary Coutant11

7/13/23

Allow SHF_ALLOC | SHF_COMPRESSED sections

On Thursday, July 13, 2023 at 11:55:22 AM UTC-7 Cary Coutant wrote: Hi, I agree with Michael and Ali.

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Allow SHF_ALLOC | SHF_COMPRESSED sections

On Thursday, July 13, 2023 at 11:55:22 AM UTC-7 Cary Coutant wrote: Hi, I agree with Michael and Ali.

7/13/23

Fangrui Song, Michael Matz4

4/12/23

What if the result of elf_hash is larger than UINT32_MAX?

Hello, > According to > https://www.sco.com/developers/gabi/latest/ch5.dynamic.html#hash, the

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What if the result of elf_hash is larger than UINT32_MAX?

Hello, > According to > https://www.sco.com/developers/gabi/latest/ch5.dynamic.html#hash, the

4/12/23

2/16/23

New e_machine value for SiMa.ai

I have assigned a new e_machine value for the SiMa.ai Neural Network Accelerator: #define EM_SIMA_MLA

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New e_machine value for SiMa.ai

I have assigned a new e_machine value for the SiMa.ai Neural Network Accelerator: #define EM_SIMA_MLA

2/16/23

Stephen Neuendorffer, Cary Coutant2

1/18/23

New e_machine for AMD AIEngine

> We'd like to get a new e_machine value assigned for the AMD/Xilinx AIEngine architecture,

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New e_machine for AMD AIEngine

> We'd like to get a new e_machine value assigned for the AMD/Xilinx AIEngine architecture,

1/18/23

Fangrui Song, … Roland McGrath20

9/11/22

Add new ch_type value: ELFCOMPRESS_ZSTD

Circling back. FreeBSD and glibc have defined ELFCOMPRESS_ZSTD in their elf.h. musl will supposedly

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Add new ch_type value: ELFCOMPRESS_ZSTD

Circling back. FreeBSD and glibc have defined ELFCOMPRESS_ZSTD in their elf.h. musl will supposedly

9/11/22

connor horman, ali_e...@emvision.com6

9/8/22

Use of sh_link and sh_info for SHT_NOTE sections.

On Thu, 8 Sept 2022 at 00:23, <ali_e...@emvision.com> wrote: On 9/6/22 2:15 PM, connor

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Use of sh_link and sh_info for SHT_NOTE sections.

On Thu, 8 Sept 2022 at 00:23, <ali_e...@emvision.com> wrote: On 9/6/22 2:15 PM, connor

9/8/22

Carlos O'Donell, … Michael Matz27

8/23/22

Making DT_HASH optional?

Hello, On Tue, 23 Aug 2022, Florian Weimer wrote: > >> >> I would go even further: The

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Making DT_HASH optional?

Hello, On Tue, 23 Aug 2022, Florian Weimer wrote: > >> >> I would go even further: The

8/23/22

Cary Coutant, … ali_e...@emvision.com9

8/17/22

Proposal: Add new dynamic symbol table hash to ELF standard

On 8/12/22 5:36 PM, 'Fangrui Song' via Generic System V Application Binary Interface wrote:

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Proposal: Add new dynamic symbol table hash to ELF standard

On 8/12/22 5:36 PM, 'Fangrui Song' via Generic System V Application Binary Interface wrote:

8/17/22

chor...@gmail.com, Cary Coutant2

4/27/22

New e_machine for Clever-ISA.

I looked through the documents you linked to, and I get a strong impression that this is an

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New e_machine for Clever-ISA.

I looked through the documents you linked to, and I get a strong impression that this is an

4/27/22

Alexander Fedotov, Cary Coutant6

2/3/22

New e_machine for NXP 56800V4 processor

Alexander informed me that the processor's name has been changed from 56800V4 to 56800EF, so I

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New e_machine for NXP 56800V4 processor

Alexander informed me that the processor's name has been changed from 56800V4 to 56800EF, so I

2/3/22

Gregory Szorc, … Carlos O'Donell4

1/31/22

gABI's role in microarchitecture targeting

On 1/31/22 11:11, Ali Bahrami wrote: > On 1/28/22 9:57 PM, 'Roland McGrath' via Generic

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gABI's role in microarchitecture targeting

On 1/31/22 11:11, Ali Bahrami wrote: > On 1/28/22 9:57 PM, 'Roland McGrath' via Generic

1/31/22

Luis Machado, … Mark Wielaard20

11/15/21

New arch-independent OS-independent PT_* segment type for memory tags

On Mon, 2021-11-15 at 13:37 +0100, Florian Weimer wrote: > I think you need to document them in

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New arch-independent OS-independent PT_* segment type for memory tags

On Mon, 2021-11-15 at 13:37 +0100, Florian Weimer wrote: > I think you need to document them in

11/15/21

Cary Coutant, … Roland McGrath14

11/2/21

Proposal: New DT_REQUIRED tag to identify required features

For phdrs, if we look at the extensions that have been added over the years, at least half are in the

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Proposal: New DT_REQUIRED tag to identify required features

For phdrs, if we look at the extensions that have been added over the years, at least half are in the

11/2/21

Fangrui Song, … Roland McGrath6

11/2/21

STB_GLOBAL/STB_WEAK in symbol lookup

Yes, indirect symbols can be thought of as an optimization of tail-call stubs for functions. However,

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STB_GLOBAL/STB_WEAK in symbol lookup

Yes, indirect symbols can be thought of as an optimization of tail-call stubs for functions. However,

11/2/21

Fangrui Song, … Cary Coutant10

11/2/21

GRP_COMDAT group with STB_LOCAL signature

On 2021-11-01, Cary Coutant wrote: >> I'm not sure that I agree that there's

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GRP_COMDAT group with STB_LOCAL signature

On 2021-11-01, Cary Coutant wrote: >> I'm not sure that I agree that there's

11/2/21

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