From: Willy Tarreau <w@1wt.eu>
To: "Paul E. McKenney" <paulmck@kernel.org>
Cc: linux-kernel@vger.kernel.org,
Ammar Faizi <ammarfaizi2@gnuweeb.org>, Willy Tarreau <w@1wt.eu>
Subject: [PATCH v2 22/22] selftests/nolibc: Add `getpagesize(2)` selftest
Date: Tue, 10 Jan 2023 08:24:34 +0100 [thread overview]
Message-ID: <20230110072434.3863-23-w@1wt.eu> (raw)
In-Reply-To: <20230110072434.3863-1-w@1wt.eu>
From: Ammar Faizi <ammarfaizi2@gnuweeb.org>
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>
---
tools/testing/selftests/nolibc/nolibc-test.c | 30 ++++++++++++++++++++
1 file changed, 30 insertions(+)
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;
--
2.17.5
next prev parent reply other threads:[~2023-01-10 7:28 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-10 7:24 [PATCH v2 00/22] nolibc: usability improvements (errno, environ, auxv) Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 01/22] tools/nolibc: make compiler and assembler agree on the section around _start Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 02/22] tools/nolibc: enable support for thumb1 mode for ARM Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 03/22] tools/nolibc: support thumb mode with frame pointers on ARM Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 04/22] tools/nolibc: remove local definitions of O_* flags for open/fcntl Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 05/22] tools/nolibc: make errno a weak symbol instead of a static one Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 06/22] tools/nolibc: export environ as a weak symbol on x86_64 Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 07/22] tools/nolibc: export environ as a weak symbol on i386 Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 08/22] tools/nolibc: export environ as a weak symbol on arm64 Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 09/22] tools/nolibc: export environ as a weak symbol on arm Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 10/22] tools/nolibc: export environ as a weak symbol on mips Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 11/22] tools/nolibc: export environ as a weak symbol on riscv Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 12/22] tools/nolibc: export environ as a weak symbol on s390 Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 13/22] tools/nolibc: add auxiliary vector retrieval for i386 Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 14/22] tools/nolibc: add auxiliary vector retrieval for x86_64 Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 15/22] tools/nolibc: add auxiliary vector retrieval for arm64 Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 16/22] tools/nolibc: add auxiliary vector retrieval for arm Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 17/22] tools/nolibc: add auxiliary vector retrieval for riscv Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 18/22] tools/nolibc: add auxiliary vector retrieval for mips Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 19/22] tools/nolibc: add auxiliary vector retrieval for s390 Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 20/22] nolibc/stdlib: Implement `getauxval(3)` function Willy Tarreau
2023-01-10 7:24 ` [PATCH v2 21/22] nolibc/sys: Implement `getpagesize(2)` function Willy Tarreau
2023-01-10 7:24 ` Willy Tarreau [this message]
2023-01-10 22:21 ` [PATCH v2 00/22] nolibc: usability improvements (errno, environ, auxv) Paul E. McKenney
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