linux-kernel - Re: [PATCH 1/1] selftests: breakpoints: allow to cross-compile for aarch64/arm64

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Message-ID: <CA+G9fYsVDmO2ubVpPM_rE5eMHzovJmtrKgBDJDAhsG+KPeu0tg@mail.gmail.com>
Date:   Thu, 30 Mar 2017 17:53:32 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Fathi Boudra <fathi.boudra@...aro.org>
Cc:     linux-kselftest@...r.kernel.org, Shuah Khan <shuah@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Pratyush Anand <panand@...hat.com>
Subject: Re: [PATCH 1/1] selftests: breakpoints: allow to cross-compile for aarch64/arm64

Hi Fathi,

On 22 March 2017 at 23:34, Fathi Boudra <fathi.boudra@...aro.org> wrote:
> To build breakpoint_test_arm64, ARCH value is only tested for "aarch64".
> It covers only the native build because it's computed from uname -m output.
> For cross-compilation, ARCH is set to arm64 and prevent to cross-compile
> the test.
> Fix the test to allow both native and cross-compilation of the test.
>
> Note: glibc is missing several of the TRAP_* constants in the userspace
>       definitions. Specifically TRAP_BRANCH and TRAP_HWBKPT.
>       See https://sourceware.org/bugzilla/show_bug.cgi?id=21286
>
> Signed-off-by: Fathi Boudra <fathi.boudra@...aro.org>
> ---
>  tools/testing/selftests/breakpoints/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/breakpoints/Makefile b/tools/testing/selftests/breakpoints/Makefile
> index 72aa103e4141..6b214b7b10fb 100644
> --- a/tools/testing/selftests/breakpoints/Makefile
> +++ b/tools/testing/selftests/breakpoints/Makefile
> @@ -5,7 +5,7 @@ ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
>  ifeq ($(ARCH),x86)
>  TEST_GEN_PROGS := breakpoint_test
>  endif
> -ifeq ($(ARCH),aarch64)
> +ifneq (,$(filter $(ARCH),aarch64 arm64))
>  TEST_GEN_PROGS := breakpoint_test_arm64
>  endif

This patch works.
Tested on arm64 Hikey development board running 4.9 kernel.
Tested-by: Naresh Kamboju <naresh.kamboju@...aro.org>


- Naresh

>
> --
> 2.11.0
>