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| author |   Ammar Faizi <ammarfaizi2@gnuweeb.org> | 2023-01-10 08:24:34 +0100 |
|---|---|---|
| committer |   Paul E. McKenney <paulmck@kernel.org> | 2023-01-10 13:33:56 -0800 |
| commit | a290296ab8326e04a9fefd698ca9367dc72c0a87 (patch) | |
| tree | a30e5d0e0448ac1e56ddc58e3fd0e18ad675d673 | |
| parent | nolibc/sys: Implement `getpagesize(2)` function (diff) | |
| download | wireguard-linux-a290296ab8326e04a9fefd698ca9367dc72c0a87.tar.xz wireguard-linux-a290296ab8326e04a9fefd698ca9367dc72c0a87.zip | |
selftests/nolibc: Add `getpagesize(2)` selftest
Test the getpagesize() function. Make sure it returns the correct
value.
Signed-off-by: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
| -rw-r--r-- | tools/testing/selftests/nolibc/nolibc-test.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index f14f5076fb6d..c4a0c915139c 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -442,6 +442,35 @@ int test_getdents64(const char *dir) return ret; } +static int test_getpagesize(void) +{ + long x = getpagesize(); + int c; + + if (x < 0) + return x; + +#if defined(__x86_64__) || defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) + /* + * x86 family is always 4K page. + */ + c = (x == 4096); +#elif defined(__aarch64__) + /* + * Linux aarch64 supports three values of page size: 4K, 16K, and 64K + * which are selected at kernel compilation time. + */ + c = (x == 4096 || x == (16 * 1024) || x == (64 * 1024)); +#else + /* + * Assuming other architectures must have at least 4K page. + */ + c = (x >= 4096); +#endif + + return !c; +} + /* Run syscall tests between IDs <min> and <max>. * Return 0 on success, non-zero on failure. */ @@ -502,6 +531,7 @@ int run_syscall(int min, int max) CASE_TEST(gettimeofday_bad2); EXPECT_SYSER(1, gettimeofday(NULL, (void *)1), -1, EFAULT); break; CASE_TEST(gettimeofday_bad2); EXPECT_SYSER(1, gettimeofday(NULL, (void *)1), -1, EFAULT); break; #endif + 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; CASE_TEST(link_root1); EXPECT_SYSER(1, link("/", "/"), -1, EEXIST); break; |