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Date: Wed, 22 Jun 2022 19:12:50 -0700
From: Fangrui Song <i@...kray.me>
To: musl@...ts.openwall.com
Subject: Re: [PATCH] ldso: support DT_RELR relative relocation format

On 2022-06-05, Fangrui Song wrote:
>this resolves DT_RELR relocations in non-ldso objects.
>
>generic-abi pre-standard for DT_RELR:
>https://groups.google.com/g/generic-abi/c/bX460iggiKg
>FreeBSD rtld added DT_RELR support in 2021-08.
>glibc added DT_RELR support in 2022-04.
>
>Since ld.lld 7, --pack-dyn-relocs=relr can generate DT_RELR.
>Since binutils 2.38, GNU ld's x86 and powerpc64 ports supports -z
>pack-relative-relocs to generate DT_RELR. ld.lld 15 also has the option.

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