linux-kernel - [PATCH v7 4/4] selftests/sgx: Add EXPECT

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Date:   Wed, 26 May 2021 15:47:40 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     shuah@...nel.org
Cc:     linux-kselftest@...r.kernel.org, linux-sgx@...r.kernel.org,
        Reinette Chatre <reinette.chatre@...el.com>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v7 4/4] selftests/sgx: Add EXPECT_EEXIT() macro

Add EXPECT_EEXIT() macro, which will conditionally print the exception
information, in addition to

  EXPECT_EQ(self->run.function, EEXIT);

Signed-off-by: Jarkko Sakkinen <jarkko@...nel.org>
---
 tools/testing/selftests/sgx/main.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/sgx/main.c b/tools/testing/selftests/sgx/main.c
index d658882b5dd2..86d4283f9c61 100644
--- a/tools/testing/selftests/sgx/main.c
+++ b/tools/testing/selftests/sgx/main.c
@@ -207,6 +207,14 @@ static inline int encl_call(const void *in, void *out, struct sgx_enclave_run *r
 	return ret;
 }
 
+#define EXPECT_EEXIT(run) \
+	do { \
+		EXPECT_EQ((run)->function, EEXIT); \
+		if ((run)->function != EEXIT) \
+			TH_LOG("0x%02x 0x%02x 0x%16llx", (run)->exception_vector, \
+			       (run)->exception_error_code, (run)->exception_addr); \
+	} while (0)
+
 TEST_F(enclave, unclobbered_vdso)
 {
 	uint64_t result = 0;
@@ -214,7 +222,7 @@ TEST_F(enclave, unclobbered_vdso)
 	EXPECT_EQ(encl_call(&MAGIC, &result, &self->run, false), 0);
 
 	EXPECT_EQ(result, MAGIC);
-	EXPECT_EQ(self->run.function, EEXIT);
+	EXPECT_EEXIT(&self->run);
 	EXPECT_EQ(self->run.user_data, 0);
 }
 
@@ -225,7 +233,7 @@ TEST_F(enclave, clobbered_vdso)
 	EXPECT_EQ(encl_call(&MAGIC, &result, &self->run, true), 0);
 
 	EXPECT_EQ(result, MAGIC);
-	EXPECT_EQ(self->run.function, EEXIT);
+	EXPECT_EEXIT(&self->run);
 	EXPECT_EQ(self->run.user_data, 0);
 }
 
@@ -247,7 +255,7 @@ TEST_F(enclave, clobbered_vdso_and_user_function)
 	EXPECT_EQ(encl_call(&MAGIC, &result, &self->run, true), 0);
 
 	EXPECT_EQ(result, MAGIC);
-	EXPECT_EQ(self->run.function, EEXIT);
+	EXPECT_EEXIT(&self->run);
 	EXPECT_EQ(self->run.user_data, 0);
 }
 
-- 
2.31.1