Attachment 138187 Details for Bug 105580 – unaligned-access.patch

[patch] unaligned-access.patch

unaligned-access.patch (text/plain), 1002 bytes, created by Jeremy Bicha on 2018-03-19 00:57:32 UTC

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Creator: Jeremy Bicha

Created: 2018-03-19 00:57:32 UTC

Size: 1002 bytes

patch

obsolete

>From: Steve Langasek <steve.langasek@ubuntu.com>
>Date: Sun, 18 Mar 2018 20:52:40 -0400
>Subject: Bug 105580 - use alignment-safe copy on ARM on Linux
>
>There is existing logic to avoid unaligned copies on ARM, but it is only
>enabled when building for iOS. iOS is not the only environment where
>unaligned access is a problem for ARM; some ARM chips also disallow
>unaligned access, and depending on the kernel config this is exposed in
>userspace as SIGBUS.
>---
> public/include/XMP_Environment.h | 3 +++
> 1 file changed, 3 insertions(+)
>
>diff --git a/public/include/XMP_Environment.h b/public/include/XMP_Environment.h
>index d8bab98..8c5d5a1 100644
>--- a/public/include/XMP_Environment.h
>+++ b/public/include/XMP_Environment.h
>@@ -155,6 +155,9 @@
> 	#define XMP_HELPER_DLL_IMPORT
> 	#define XMP_HELPER_DLL_EXPORT
> 	#define XMP_HELPER_DLL_PRIVATE
>+	#ifdef __arm__
>+		#define XMP_IOS_ARM 1
>+	#endif
> #endif
> 
> // =================================================================================================

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