From patchwork Thu Jun 29 23:28:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Zhangjin Wu X-Patchwork-Id: 13297425 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A574EB64D9 for ; Thu, 29 Jun 2023 23:28:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230037AbjF2X2r (ORCPT ); Thu, 29 Jun 2023 19:28:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229720AbjF2X2q (ORCPT ); Thu, 29 Jun 2023 19:28:46 -0400 Received: from bg4.exmail.qq.com (bg4.exmail.qq.com [43.154.54.12]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6667B1BC6; Thu, 29 Jun 2023 16:28:44 -0700 (PDT) X-QQ-mid: bizesmtp86t1688081315tjycq55u Received: from linux-lab-host.localdomain ( [119.123.131.49]) by bizesmtp.qq.com (ESMTP) with id ; Fri, 30 Jun 2023 07:28:34 +0800 (CST) X-QQ-SSF: 01200000000000D0W000000A0000000 X-QQ-FEAT: RdkzUaxjIrfJY7jV7wFs1hXtoA3+Vv/lYMh4H2WNVuZBKAbd/xdTOxNXXKRtf jfuQ9QcCSu7QafjYL4xSTkK7jMt6OMdjr6isvrN3T2xAnU55eSqrebklnG681L/OmxI9bh/ VyTSb+V4G+WjUArncjMNhBb/stR9LJchLeOBeyLSC0JEbc40UBzcXTLFX7Fr0ZWMNyn5SK3 NeZXrnuqo7LLuDye+A7DzfLLeJbA37uc6Z7epdjB6GXts2/MgXM6eBl64d6n255EmoJoh+z Kv7dwv1d/SXpMqzqoxjuM+Oi7eY1LhE7373eSEKL9vh9IrCkyig/aa5RtSxLBDDHRGH/ril WlXDy6MFmIcm5IB0udI8ohjTkENOgGhI8PnpiL6OVYE5k10j5zom3w4LooGb3GtR/WSrbZi X-QQ-GoodBg: 0 X-BIZMAIL-ID: 15633995598629543478 From: Zhangjin Wu To: thomas@t-8ch.de, w@1wt.eu Cc: falcon@tinylab.org, arnd@arndb.de, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Subject: [PATCH v2 04/15] selftests/nolibc: fix up int_fast16/32_t test cases for musl Date: Fri, 30 Jun 2023 07:28:15 +0800 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:tinylab.org:qybglogicsvrgz:qybglogicsvrgz5a-1 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org musl limits the fast signed int in 32bit, but glibc and nolibc don't, to let such test cases work on musl, let's provide the type based SINT_MAX_OF_TYPE(type) and SINT_MIN_OF_TYPE(type). Suggested-by: Thomas Weißschuh Link: https://lore.kernel.org/lkml/bc635c4f-67fe-4e86-bfdf-bcb4879b928d@t-8ch.de/ Signed-off-by: Zhangjin Wu --- tools/testing/selftests/nolibc/nolibc-test.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 29c21880a198..96d170cc9b47 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -41,6 +41,10 @@ #endif #endif +/* for the type of int_fast16_t and int_fast32_t, musl differs from glibc and nolibc */ +#define SINT_MAX_OF_TYPE(type) (((type)1 << (sizeof(type) * 8 - 2)) - (type)1 + ((type)1 << (sizeof(type) * 8 - 2))) +#define SINT_MIN_OF_TYPE(type) (-SINT_MAX_OF_TYPE(type) - 1) + /* will be used by nolibc by getenv() */ char **environ; @@ -819,11 +823,11 @@ int run_stdlib(int min, int max) CASE_TEST(limit_int_fast8_max); EXPECT_EQ(1, INT_FAST8_MAX, (int_fast8_t) 0x7f); break; CASE_TEST(limit_int_fast8_min); EXPECT_EQ(1, INT_FAST8_MIN, (int_fast8_t) 0x80); break; CASE_TEST(limit_uint_fast8_max); EXPECT_EQ(1, UINT_FAST8_MAX, (uint_fast8_t) 0xff); break; - CASE_TEST(limit_int_fast16_min); EXPECT_EQ(1, INT_FAST16_MIN, (int_fast16_t) INTPTR_MIN); break; - CASE_TEST(limit_int_fast16_max); EXPECT_EQ(1, INT_FAST16_MAX, (int_fast16_t) INTPTR_MAX); break; + CASE_TEST(limit_int_fast16_min); EXPECT_EQ(1, INT_FAST16_MIN, (int_fast16_t) SINT_MIN_OF_TYPE(int_fast16_t)); break; + CASE_TEST(limit_int_fast16_max); EXPECT_EQ(1, INT_FAST16_MAX, (int_fast16_t) SINT_MAX_OF_TYPE(int_fast16_t)); break; CASE_TEST(limit_uint_fast16_max); EXPECT_EQ(1, UINT_FAST16_MAX, (uint_fast16_t) UINTPTR_MAX); break; - CASE_TEST(limit_int_fast32_min); EXPECT_EQ(1, INT_FAST32_MIN, (int_fast32_t) INTPTR_MIN); break; - CASE_TEST(limit_int_fast32_max); EXPECT_EQ(1, INT_FAST32_MAX, (int_fast32_t) INTPTR_MAX); break; + CASE_TEST(limit_int_fast32_min); EXPECT_EQ(1, INT_FAST32_MIN, (int_fast32_t) SINT_MIN_OF_TYPE(int_fast32_t)); break; + CASE_TEST(limit_int_fast32_max); EXPECT_EQ(1, INT_FAST32_MAX, (int_fast32_t) SINT_MAX_OF_TYPE(int_fast32_t)); break; CASE_TEST(limit_uint_fast32_max); EXPECT_EQ(1, UINT_FAST32_MAX, (uint_fast32_t) UINTPTR_MAX); break; CASE_TEST(limit_int_fast64_min); EXPECT_EQ(1, INT_FAST64_MIN, (int_fast64_t) INT64_MIN); break; CASE_TEST(limit_int_fast64_max); EXPECT_EQ(1, INT_FAST64_MAX, (int_fast64_t) INT64_MAX); break;