From 1e12632591ab98a6ea3af8680716c28282552981 Mon Sep 17 00:00:00 2001
From: "Nicholas J. Kain" <njkain@gmail.com>
Date: Tue, 15 Feb 2011 07:32:09 -0500
Subject: Port musl to x86-64.  One giant commit!

---
 src/signal/x86_64/sigsetjmp.s | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 src/signal/x86_64/sigsetjmp.s

(limited to 'src/signal/x86_64/sigsetjmp.s')

diff --git a/src/signal/x86_64/sigsetjmp.s b/src/signal/x86_64/sigsetjmp.s
new file mode 100644
index 00000000..0a450785
--- /dev/null
+++ b/src/signal/x86_64/sigsetjmp.s
@@ -0,0 +1,11 @@
+/* Copyright 2011 Nicholas J. Kain, licensed GNU LGPL 2.1 or later */
+.global sigsetjmp
+sigsetjmp:
+	test %rsi,%rsi
+	jz 1f              /* if save == 0, just goto setjmp */
+	movq %rsi,64(%rdi) /* move save -> jmp_buf[8] */
+	addq $72,%rdi      /* add sizeof(jmp_buf) to rdi */
+	movl $0,%esi       /* arg2 = 0 */
+	movl $2,%edx       /* arg3 = 2 */
+	call sigprocmask   /* sigprocmask(jmp_buf, 0, 2) */
+1:	jmp setjmp
-- 
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