From 9b4f2b40e36a2b59d0550e22f7b3fcfc06d70135 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= Date: Sun, 12 Oct 2025 05:48:37 +0200 Subject: [PATCH] musl: avoid r0 as address register in s390x __tls_get_offset https://www.openwall.com/lists/musl/2025/10/12/4 See also 7b92d5f4052be651e9bc5cd4ad78a69ccbee865d... --- lib/libc/musl/src/thread/s390x/__tls_get_offset.s | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/lib/libc/musl/src/thread/s390x/__tls_get_offset.s b/lib/libc/musl/src/thread/s390x/__tls_get_offset.s index 405f118b04..056c91100c 100644 --- a/lib/libc/musl/src/thread/s390x/__tls_get_offset.s +++ b/lib/libc/musl/src/thread/s390x/__tls_get_offset.s @@ -1,17 +1,17 @@ .global __tls_get_offset .type __tls_get_offset,%function __tls_get_offset: - ear %r0, %a0 - sllg %r0, %r0, 32 - ear %r0, %a1 + ear %r3, %a0 + sllg %r3, %r3, 32 + ear %r3, %a1 la %r1, 0(%r2, %r12) - lg %r3, 0(%r1) - sllg %r4, %r3, 3 - lg %r5, 8(%r0) + lg %r0, 0(%r1) + sllg %r4, %r0, 3 + lg %r5, 8(%r3) lg %r2, 0(%r4, %r5) ag %r2, 8(%r1) - sgr %r2, %r0 + sgr %r2, %r3 br %r14