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-rw-r--r--src/signal/x86_64/restore.s11
-rw-r--r--src/signal/x86_64/sigsetjmp.s11
2 files changed, 22 insertions, 0 deletions
diff --git a/src/signal/x86_64/restore.s b/src/signal/x86_64/restore.s
new file mode 100644
index 00000000..bc5e0d74
--- /dev/null
+++ b/src/signal/x86_64/restore.s
@@ -0,0 +1,11 @@
+.global __restore_rt
+.global __restore
+.type __restore_rt,%function
+.type __restore,%function
+__restore_rt:
+__restore:
+	movl $15, %eax
+	syscall
+.size __restore_rt,.-__restore_rt
+.size __restore,.-__restore
+
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