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

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Message-Id: <20170322180458.15567-1-fathi.boudra@linaro.org>
Date:   Wed, 22 Mar 2017 20:04:58 +0200
From:   Fathi Boudra <fathi.boudra@...aro.org>
To:     linux-kselftest@...r.kernel.org, Shuah Khan <shuah@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Pratyush Anand <panand@...hat.com>,
        Fathi Boudra <fathi.boudra@...aro.org>
Subject: [PATCH 1/1] selftests: breakpoints: allow to cross-compile for aarch64/arm64

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
 
-- 
2.11.0