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Date: Sat, 12 Nov 2016 18:07:13 +0100
From: Szabolcs Nagy <>
Subject: [PATCH] fix x86_64 sigreturn call so gdb recognizes it

gdb cannot unwind across signal handlers if __restore{_rt} is not aligned.

other targets may be affected as well, i only tried x86_64 and i386.

 src/signal/x86_64/restore.s | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/signal/x86_64/restore.s b/src/signal/x86_64/restore.s
index 682af2d..179f3ef 100644
--- a/src/signal/x86_64/restore.s
+++ b/src/signal/x86_64/restore.s
@@ -1,3 +1,4 @@
+.align 16
 .global __restore_rt
 .global __restore
 .type __restore_rt,@function

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