On Thu, Jan 23, 2020 at 12:00:40PM -0800, Khem Raj wrote:
> Use NSS_USE_ARM_HW_CRYPTO to detect USE_ARM_GCM, since there are
> dependent, without this we control the crypto code function inclusion in
> build but do not control the call sites, which can result in undefined
> symbols e.g.
> 
> Linux_SINGLE_SHLIB/gcm.o: in function `gcmHash_InitContext':
> /usr/src/debug/nss/3.49.1-r0/nss-3.49.1/nss/lib/freebl/gcm.c:112: undefined reference to `gcm_HashInit_hw'

Fixes the errors I'm seeing since nss upgrade, thanks!

Acked-by: Martin Jansa <Martin.Jansa@gmail.com>

> 
> Signed-off-by: Khem Raj <raj.khem@gmail.com>
> ---
>  ...figure-option-to-disable-ARM-HW-cryp.patch | 25 ++++++++++++++++---
>  1 file changed, 21 insertions(+), 4 deletions(-)
> 
> diff --git a/meta/recipes-support/nss/nss/0001-freebl-add-a-configure-option-to-disable-ARM-HW-cryp.patch b/meta/recipes-support/nss/nss/0001-freebl-add-a-configure-option-to-disable-ARM-HW-cryp.patch
> index fe29d19882..803c06b218 100644
> --- a/meta/recipes-support/nss/nss/0001-freebl-add-a-configure-option-to-disable-ARM-HW-cryp.patch
> +++ b/meta/recipes-support/nss/nss/0001-freebl-add-a-configure-option-to-disable-ARM-HW-cryp.patch
> @@ -12,20 +12,19 @@ Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
>   nss/lib/freebl/Makefile | 3 +++
>   1 file changed, 3 insertions(+)
>  
> -diff --git a/nss/lib/freebl/Makefile b/nss/lib/freebl/Makefile
> -index 06506f0..a8b015d 100644
>  --- a/nss/lib/freebl/Makefile
>  +++ b/nss/lib/freebl/Makefile
> -@@ -125,6 +125,8 @@ else
> +@@ -125,6 +125,9 @@ else
>           DEFINES += -DNSS_X86
>   endif
>   endif
>  +
>  +ifdef NSS_USE_ARM_HW_CRYPTO
> ++    DEFINES += -DNSS_USE_ARM_HW_CRYPTO
>   ifeq ($(CPU_ARCH),aarch64)
>       DEFINES += -DUSE_HW_AES
>       EXTRA_SRCS += aes-armv8.c gcm-aarch64.c
> -@@ -145,6 +147,7 @@ ifeq ($(CPU_ARCH),arm)
> +@@ -146,6 +149,7 @@ ifeq ($(CPU_ARCH),arm)
>           endif
>       endif
>   endif
> @@ -33,3 +32,21 @@ index 06506f0..a8b015d 100644
>   
>   ifeq ($(OS_TARGET),OSF1)
>       DEFINES += -DMP_ASSEMBLY_MULTIPLY -DMP_NO_MP_WORD
> +--- a/nss/lib/freebl/gcm.c
> ++++ b/nss/lib/freebl/gcm.c
> +@@ -17,6 +17,7 @@
> + 
> + #include <limits.h>
> + 
> ++#ifdef NSS_USE_ARM_HW_CRYPTO
> + /* old gcc doesn't support some poly64x2_t intrinsic */
> + #if defined(__aarch64__) && defined(IS_LITTLE_ENDIAN) && \
> +     (defined(__clang__) || defined(__GNUC__) && __GNUC__ > 6)
> +@@ -28,6 +29,7 @@
> +  * that compiler uses -mfpu=neon only. */
> + #define USE_ARM_GCM
> + #endif
> ++#endif
> + 
> + /* Forward declarations */
> + SECStatus gcm_HashInit_hw(gcmHashContext *ghash);
> -- 
> 2.25.0
> 
> -- 
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