forked from pool/glibc
39 lines
1.1 KiB
Diff
39 lines
1.1 KiB
Diff
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From c272f67f9fc4c354336241ef4f3876771ccab443 Mon Sep 17 00:00:00 2001
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From: Andreas Schwab <schwab@suse.de>
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Date: Mon, 20 May 2013 10:19:31 +0200
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Subject: [PATCH] AArch64: Don't clobber argument for tail call to
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__sigjmp_save in sigsetjmp
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[BZ #15493]
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* sysdeps/aarch64/setjmp.S (__sigsetjmp): Don't clobber register
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x1.
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[NOT_IN_libc && IS_IN_rtld]: Don't call __sigjmp_save.
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---
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ports/sysdeps/aarch64/setjmp.S | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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diff --git a/ports/sysdeps/aarch64/setjmp.S b/ports/sysdeps/aarch64/setjmp.S
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index cff81c7..10e0709 100644
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--- a/ports/sysdeps/aarch64/setjmp.S
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+++ b/ports/sysdeps/aarch64/setjmp.S
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@@ -44,8 +44,14 @@ ENTRY (__sigsetjmp)
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stp d10, d11, [x0, #JB_D10<<3]
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stp d12, d13, [x0, #JB_D12<<3]
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stp d14, d15, [x0, #JB_D14<<3]
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- mov x1, sp
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- str x1, [x0, #JB_SP<<3]
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+ mov x2, sp
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+ str x2, [x0, #JB_SP<<3]
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+#if defined NOT_IN_libc && defined IS_IN_rtld
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+ /* In ld.so we never save the signal mask */
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+ mov w0, #0
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+ RET
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+#else
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b C_SYMBOL_NAME(__sigjmp_save)
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+#endif
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END (__sigsetjmp)
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hidden_def (__sigsetjmp)
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--
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1.8.2.3
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