Fix the AT_HWCAP2 test.

"I have none of these capabilities" is a legitimate response, and
distinct from "I don't know what my capabilities are". It's the latter
I meant to test for.

Bug: http://b/27810985
Change-Id: Id165423e62390051cbf23fdda54f28d94566cbe7
This commit is contained in:
Elliott Hughes 2016-03-25 08:29:05 -07:00
parent e725dc1640
commit d4c9112490

View file

@ -67,7 +67,11 @@ TEST(getauxval, arm_has_AT_HWCAP2) {
// If this test fails, apps that use getauxval to decide at runtime whether crypto hardware is
// available will incorrectly assume that it isn't, and will have really bad performance.
// If this test fails, ensure that you've enabled COMPAT_BINFMT_ELF in your kernel configuration.
ASSERT_NE(0UL, getauxval(AT_HWCAP2)) << "kernel not reporting AT_HWCAP2 to 32-bit ARM process";
// Note that 0 ("I don't support any of these things") is a legitimate response --- we need
// to check errno to see whether we got a "true" 0 or a "not found" 0.
errno = 0;
getauxval(AT_HWCAP2);
ASSERT_EQ(0, errno) << "kernel not reporting AT_HWCAP2 to 32-bit ARM process";
#else
GTEST_LOG_(INFO) << "This test is only meaningful for 32-bit ARM code.\n";
#endif