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Message-ID: <20261104001024.736144-1-alex@alexrp.com>
Date: Wed, 4 Nov 2026 01:10:24 +0100
From: Alex Rønne Petersen <alex@...xrp.com>
To: musl@...ts.openwall.com
Cc: Alex Rønne Petersen <alex@...xrp.com>
Subject: [PATCH] s390x: clear r14 (lr) in _start like other ports
As in previous commits of this nature, this protects DWARF unwinders from
seeing nonsense when they reach _start.
---
arch/s390x/crt_arch.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/s390x/crt_arch.h b/arch/s390x/crt_arch.h
index 92091a10..ddd3953a 100644
--- a/arch/s390x/crt_arch.h
+++ b/arch/s390x/crt_arch.h
@@ -3,6 +3,7 @@ __asm__(
".global " START "\n"
".type " START ", %function\n"
START ":\n"
+" lghi %r14, 0\n"
" lgr %r2, %r15\n"
" larl %r3, 1f\n"
" agf %r3, 0(%r3)\n"
--
2.53.0
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