[Bug dynamic-link/33129] New: Need a tag to indicate that glibc has working GNU2 TLS support
hjl.tools at gmail dot com
sourceware-bugzilla@sourceware.org
Thu Jul 3 23:19:59 GMT 2025
https://sourceware.org/bugzilla/show_bug.cgi?id=33129
Bug ID: 33129
Summary: Need a tag to indicate that glibc has working GNU2 TLS
support
Product: glibc
Version: 2.42
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: dilfridge at gentoo dot org, fweimer at redhat dot com
Depends on: 31372
Target Milestone: ---
Target: x86-64
We'd like to turn on -mtls-dialect=gnu2 by default on x86-64 for GCC 16:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120933
We need to a way to make sure that glibc has the fix for GNU2 TLS run-time
bug:
https://sourceware.org/bugzilla/show_bug.cgi?id=31372
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=31372
[Bug 31372] _dl_tlsdesc_dynamic doesn't preserve all caller-saved registers
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