re: ELF e_ident[EI_OSABI] not being set on objects?

[matthew green <mrg%eterna23.net@localhost>]

Joseph Koshy writes:
> I noticed that NetBSD/evbarm binaries are being built as 'SysV' binaries.
>
> nbarm% readelf -h /usr/bin/nm | grep OS/ABI
>   OS/ABI:                            UNIX - System V
> nbarm% readelf -h /usr/lib/libc.so | grep OS/ABI
>   OS/ABI:                            UNIX - System V
>
> This was on recent -current:
>
> % uname -a
> NetBSD nbarm 10.99.12 NetBSD 10.99.12 (GENERIC64) #0: Fri Dec 27
> 00:57:53 UTC 2024
> mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/evbarm/compile/GENERIC64
> evbarm
>
> Any idea why the e_ident[EI_OSABI] field isn't being set to ELFOSABI_NETBSD?

AFAIK, this field has to do with how ELF binaries are interpreted, and
netbsd uses plain ELF.  i think freebsd is the only elf platform that
does not use sysV here.

this is true for all netbsd platforms, not just arm.


.mrg.