From 1a13d3ae4e28fc46baef52086c64189f84cf2b9f Mon Sep 17 00:00:00 2001
From: Jan Beich <jbeich@FreeBSD.org>
Date: Tue, 19 Mar 2019 00:02:21 +0000
Subject: [PATCH] OpenBSD doesn't have mcontext_t

`<signal.h>` provides `typedef struct sigcontext ucontext_t`
---
 Utilities/Thread.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Utilities/Thread.cpp b/Utilities/Thread.cpp
index e66b617900..41fb568c60 100644
--- a/Utilities/Thread.cpp
+++ b/Utilities/Thread.cpp
@@ -29,7 +29,9 @@
 #endif
 #include <errno.h>
 #include <signal.h>
+#ifndef __OpenBSD__
 #include <ucontext.h>
+#endif
 #include <pthread.h>
 #include <sys/time.h>
 #include <sys/resource.h>
@@ -802,7 +804,7 @@ register_t* freebsd_x64reg(x64_context *context, int reg)
 
 long* openbsd_x64reg(x64_context *context, int reg)
 {
-	auto *state = &context->uc_mcontext;
+	auto *state = &context;
 	switch(reg)
 	{
 	case 0: return &state->sc_rax;