[PATCH v2 2/3] selftests/powerpc: Create a new SKIP_IF macro

This patch creates a new macro that skips a test and prints a message to
stderr. This is useful to give an idea why the tests is being skipped,
other than just skipping the test blindly.

Signed-off-by: Breno Leitao <leitao@debian.org>
---
 tools/testing/selftests/powerpc/include/utils.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tools/testing/selftests/powerpc/include/utils.h b/tools/testing/selftests/powerpc/include/utils.h
index da1b963cdb32..486c1782c23e 100644
--- a/tools/testing/selftests/powerpc/include/utils.h
+++ b/tools/testing/selftests/powerpc/include/utils.h

@@ -72,6 +72,16 @@ do {								\
 	}							\
 } while (0)
 
+#define SKIP_IF_MSG(x, msg)					\
+do {								\
+	if ((x)) {						\
+		fprintf(stderr,					\
+		"[SKIP] Test skipped on line %d: %s\n",		\
+		 __LINE__, msg);				\
+		return MAGIC_SKIP_RETURN_VALUE;			\
+	}							\
+} while (0)
+
 #define _str(s) #s
 #define str(s) _str(s)
 

-- 
2.13.2