On OpenBSD/armv7 we deliberately trap unaligned access. Unfortunately

the assembly code in libcrypto assumes unaligned access is allowed for
ARMv7.  Make these paths conditional on __STRICT_ALIGNMENT not being
defined and define __STRICT_ALIGNMENT in arm_arch.h for OpenBSD.

ok tom@

1 files changed, 5 insertions, 1 deletions

diff --git a/src/lib/libcrypto/arm_arch.h b/src/lib/libcrypto/arm_arch.h
index 3304be81ab..8b8a05b5f7 100644
--- a/src/lib/libcrypto/arm_arch.h
+++ b/src/lib/libcrypto/arm_arch.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: arm_arch.h,v 1.7 2015/06/29 06:40:06 jsg Exp $ */
+/* $OpenBSD: arm_arch.h,v 1.8 2018/01/07 12:35:52 kettenis Exp $ */
 #ifndef __ARM_ARCH_H__
 #define __ARM_ARCH_H__
 
@@ -44,4 +44,8 @@ extern unsigned int OPENSSL_armcap_P;
 #define ARMV7_NEON      (1<<0)
 #endif
 
+#if defined(__OpenBSD__)
+#define __STRICT_ALIGNMENT
+#endif
+
 #endif