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Message-Id: <cbcdc766-543c-4e46-b6af-816198d3cfc5@app.fastmail.com>
Date: Fri, 30 May 2025 00:24:25 +0200
From: Alex Rønne Petersen <alex@...xrp.com>
To: musl@...ts.openwall.com
Subject: Re: [PATCH] s390x: manually inline __tls_get_addr in __tls_get_offset
On Fri, Jan 24, 2025, at 06:12, Alex Rønne Petersen wrote:
> Calling __tls_get_addr with brasl is not valid since it's a global symbol; doing
> so results in an R_390_PC32DBL relocation error from lld. We could fix this by
> marking __tls_get_addr hidden since it is not part of the s390x ABI, or by using
> a different instruction. However, given its simplicity, it makes more sense to
> just manually inline it into __tls_get_offset for performance.
>
> The patch has been tested by applying to Zig's bundled musl copy and running the
> full Zig test suite under qemu-s390x.
> ---
> src/thread/s390x/__tls_get_offset.s | 20 ++++++++++----------
> 1 file changed, 10 insertions(+), 10 deletions(-)
Ping.
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