On 2023-06-03 16:16:07+0800, Zhangjin Wu wrote:
> These 2 test cases are added to cover the normal using scenes of
> gettimeofday().
>
> They have been used to trigger and fix up such issue with nolibc:
>
> nolibc-test.c:(.text.gettimeofday+0x54): undefined reference to `__aeabi_ldivmod'
>
> This issue happens while there is no "unsigned int" conversion in the
> coming new clock_gettime / clock_gettime64 syscall path of
> gettimeofday():
>
> tv->tv_usec = ts.tv_nsec / 1000;
As mentioned before this looks to me like an issue in the build setup.
Could you provide reproduction steps?
Nevertheless I guess the tests themselves are fine to have.
> Suggested-by: Thomas Weißschuh <linux@weissschuh.net>
> Link: https://lore.kernel.org/linux-riscv/280867a8-7601-4a96-9b85-87668e1f1282@t-8ch.de/
> Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
> ---
> tools/testing/selftests/nolibc/nolibc-test.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
> index bf63fc66e486..e68c5692ec54 100644
> --- a/tools/testing/selftests/nolibc/nolibc-test.c
> +++ b/tools/testing/selftests/nolibc/nolibc-test.c
> @@ -533,6 +533,8 @@ static int test_stat_timestamps(void)
> */
> int run_syscall(int min, int max)
> {
> + struct timeval tv;
> + struct timezone tz;
> struct stat stat_buf;
> int euid0;
> int proc;
> @@ -588,6 +590,8 @@ int run_syscall(int min, int max)
> CASE_TEST(getdents64_root); EXPECT_SYSNE(1, test_getdents64("/"), -1); break;
> CASE_TEST(getdents64_null); EXPECT_SYSER(1, test_getdents64("/dev/null"), -1, ENOTDIR); break;
> CASE_TEST(gettimeofday_null); EXPECT_SYSZR(1, gettimeofday(NULL, NULL)); break;
> + CASE_TEST(gettimeofday_tv); EXPECT_SYSZR(1, gettimeofday(&tv, NULL)); break;
> + CASE_TEST(gettimeofday_tv_tz);EXPECT_SYSZR(1, gettimeofday(&tv, &tz)); break;
> CASE_TEST(getpagesize); EXPECT_SYSZR(1, test_getpagesize()); break;
> CASE_TEST(ioctl_tiocinq); EXPECT_SYSZR(1, ioctl(0, TIOCINQ, &tmp)); break;
> CASE_TEST(ioctl_tiocinq); EXPECT_SYSZR(1, ioctl(0, TIOCINQ, &tmp)); break;
> --
> 2.25.1
>