From ae0c1de530bc3b27069008b8b247171d08dbe80b Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Mon, 22 Apr 2013 10:17:56 -0400
Subject: [PATCH] fix reversed argument order x86_64 sigsetjmp's call to
 sigprocmask

this caused sigsetjmp not to save the signal mask but instead to
clobber it with whatever happened to be in the sigjmb_buf prior to the
call.
---
 src/signal/x86_64/sigsetjmp.s | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/signal/x86_64/sigsetjmp.s b/src/signal/x86_64/sigsetjmp.s
index 94d7148d..dc38f032 100644
--- a/src/signal/x86_64/sigsetjmp.s
+++ b/src/signal/x86_64/sigsetjmp.s
@@ -6,8 +6,8 @@ sigsetjmp:
 	movq %rsi,64(%rdi)
 	jz 1f
 	pushq %rdi
-	leaq 72(%rdi),%rsi
-	xorl %edx,%edx
+	leaq 72(%rdi),%rdx
+	xorl %esi,%esi
 	movl $2,%edi
 	call sigprocmask
 	popq %rdi