From nobody Thu Sep 11 00:28:28 2025 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 55855C636D6 for ; Thu, 23 Feb 2023 01:01:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232881AbjBWBBp (ORCPT ); Wed, 22 Feb 2023 20:01:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45910 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232085AbjBWBBi (ORCPT ); Wed, 22 Feb 2023 20:01:38 -0500 Received: from wout4-smtp.messagingengine.com (wout4-smtp.messagingengine.com [64.147.123.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5CD0C2DE54 for ; Wed, 22 Feb 2023 17:01:15 -0800 (PST) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.west.internal (Postfix) with ESMTP id E180D3200975; Wed, 22 Feb 2023 20:00:43 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute5.internal (MEProxy); Wed, 22 Feb 2023 20:00:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vda.io; h=cc:cc :content-transfer-encoding:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:sender :subject:subject:to:to; s=fm2; t=1677114043; x=1677200443; bh=Xx 4qBliVKsg1YlSBFtbTjWlGqegbiuzHynPZ7O9RbxU=; b=xGHuZzpxQemgKxMqrg lb2u/Zp/SDzaQD44yn/EOkK7hhkRV1pix+t10ApoO9FiIftN8wmq++w9SGJ3jUX4 JA5iKCbttheLFJIfyyGyo6GPifk7UUHza+Uzo8EUjpVtN+t2BOLLRYRa1x3A+w2Q GWR+3kZreEMklCdtGds+ujn+wvIaoyMXJwvxNlmOKsJ/vxKCBpIgHDBg9qTjmQp1 bgsw7IxYVnEFOI/Fg1VT4EL5EJROmlClBcPr/4YBMTQvP732FgOFAKlZOJBT0NCc 0YlhW0JMN+IRxrQhcT7Sf7amrG3qh+jGDomTzlIWf5E6fO3zChNfEzs93UiFqZCO q13g== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; t=1677114043; x=1677200443; bh=Xx4qBliVKsg1Y lSBFtbTjWlGqegbiuzHynPZ7O9RbxU=; b=KwjkRXG4rAbxmhvodbWoDGjAZpTgD it+3dLNeEXreZDzB6lEGdw/4Rv3io4eGVtMVUWlJn7Lo7RbgAGrSnOB/wQ/RPkru 9RWFQed2erZLkrfHn5AZxgi2okdni4Ke0jfCcAd7FHIpyfeAI897BHsIYSa8fkp7 lgCwKyeNu3p7rH+ipRQUieKZ9JttOyIne1a9WTZ2z4cF2ypBkSx0lJYf60oupI3p /RMwXTD1ynJDnjpl3zvPaJl5JY+3S0Q/GBH3VilPJJwEohkXaXivxeDCt6T/s1Wj jdSSytDzYw42e9yUBWdIQ+ccf2ooE1j3McvgxFVXRPiN70UJ9dNBbZEdg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrudektddgvdekucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvfevufffkffojghfggfgsedtke ertdertddtnecuhfhrohhmpeggihhntggvnhhtucffrghgohhnnhgvrghuuceovhesvhgu rgdrihhoqeenucggtffrrghtthgvrhhnpedujedtgefgtdelffefjeeggffgiefgjeevve dtjefhuddvleeiudetuedtffefheenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgr mhepmhgrihhlfhhrohhmpehvsehvuggrrdhioh X-ME-Proxy: Feedback-ID: ic7094478:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 22 Feb 2023 20:00:43 -0500 (EST) From: Vincent Dagonneau To: linux-kernel@vger.kernel.org Cc: w@1wt.eu, Vincent Dagonneau Subject: [PATCH v6 1/4] tools/nolibc: add stdint.h Date: Wed, 22 Feb 2023 20:00:22 -0500 Message-Id: <20230223010025.11092-2-v@vda.io> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230223010025.11092-1-v@vda.io> References: <20230223010025.11092-1-v@vda.io> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Nolibc works fine for small and limited program however most program expect integer types to be defined in stdint.h rather than std.h. This is a quick fix that moves the existing integer definitions in std.h to stdint.h. Signed-off-by: Vincent Dagonneau Signed-off-by: Willy Tarreau Reviewed-by. Reviewed-by: Thomas Wei=C3=9Fschuh --- tools/include/nolibc/Makefile | 4 ++-- tools/include/nolibc/std.h | 15 +-------------- tools/include/nolibc/stdint.h | 24 ++++++++++++++++++++++++ 3 files changed, 27 insertions(+), 16 deletions(-) create mode 100644 tools/include/nolibc/stdint.h diff --git a/tools/include/nolibc/Makefile b/tools/include/nolibc/Makefile index cfd06764b5ae..ec57d3932506 100644 --- a/tools/include/nolibc/Makefile +++ b/tools/include/nolibc/Makefile @@ -25,8 +25,8 @@ endif =20 nolibc_arch :=3D $(patsubst arm64,aarch64,$(ARCH)) arch_file :=3D arch-$(nolibc_arch).h -all_files :=3D ctype.h errno.h nolibc.h signal.h std.h stdio.h stdlib.h st= ring.h \ - sys.h time.h types.h unistd.h +all_files :=3D ctype.h errno.h nolibc.h signal.h std.h stdint.h stdio.h st= dlib.h \ + string.h sys.h time.h types.h unistd.h =20 # install all headers needed to support a bare-metal compiler all: headers diff --git a/tools/include/nolibc/std.h b/tools/include/nolibc/std.h index 1747ae125392..933bc0be7e1c 100644 --- a/tools/include/nolibc/std.h +++ b/tools/include/nolibc/std.h @@ -18,20 +18,7 @@ #define NULL ((void *)0) #endif =20 -/* stdint types */ -typedef unsigned char uint8_t; -typedef signed char int8_t; -typedef unsigned short uint16_t; -typedef signed short int16_t; -typedef unsigned int uint32_t; -typedef signed int int32_t; -typedef unsigned long long uint64_t; -typedef signed long long int64_t; -typedef unsigned long size_t; -typedef signed long ssize_t; -typedef unsigned long uintptr_t; -typedef signed long intptr_t; -typedef signed long ptrdiff_t; +#include "stdint.h" =20 /* those are commonly provided by sys/types.h */ typedef unsigned int dev_t; diff --git a/tools/include/nolibc/stdint.h b/tools/include/nolibc/stdint.h new file mode 100644 index 000000000000..4ba264031df9 --- /dev/null +++ b/tools/include/nolibc/stdint.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: LGPL-2.1 OR MIT */ +/* + * Standard definitions and types for NOLIBC + * Copyright (C) 2023 Vincent Dagonneau + */ + +#ifndef _NOLIBC_STDINT_H +#define _NOLIBC_STDINT_H + +typedef unsigned char uint8_t; +typedef signed char int8_t; +typedef unsigned short uint16_t; +typedef signed short int16_t; +typedef unsigned int uint32_t; +typedef signed int int32_t; +typedef unsigned long long uint64_t; +typedef signed long long int64_t; +typedef unsigned long size_t; +typedef signed long ssize_t; +typedef unsigned long uintptr_t; +typedef signed long intptr_t; +typedef signed long ptrdiff_t; + +#endif /* _NOLIBC_STDINT_H */ --=20 2.39.2 From nobody Thu Sep 11 00:28:28 2025 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 C378EC636D6 for ; Thu, 23 Feb 2023 01:01:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232996AbjBWBBv (ORCPT ); Wed, 22 Feb 2023 20:01:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232085AbjBWBBq (ORCPT ); Wed, 22 Feb 2023 20:01:46 -0500 Received: from wout4-smtp.messagingengine.com (wout4-smtp.messagingengine.com [64.147.123.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 87FE9457C2 for ; 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Wed, 22 Feb 2023 20:00:45 -0500 (EST) From: Vincent Dagonneau To: linux-kernel@vger.kernel.org Cc: w@1wt.eu, Vincent Dagonneau Subject: [PATCH v6 2/4] tools/nolibc: add integer types and integer limit macros Date: Wed, 22 Feb 2023 20:00:23 -0500 Message-Id: <20230223010025.11092-3-v@vda.io> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230223010025.11092-1-v@vda.io> References: <20230223010025.11092-1-v@vda.io> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This commit adds some of the missing integer types to stdint.h and adds limit macros (e.g. INTN_{MIN,MAX}). The reference used for adding these types is https://pubs.opengroup.org/onlinepubs/009695399/basedefs/stdint.h.html. We rely on the compiler-defined __LONG_MAX__ to get the right limits for size_t, intptr_t, uintptr_t and ptrdiff_t. This compiler constant seem to have been defined at least since GCC 4.1.2 and clang 3.0.0 on x86_64. It is also defined on ARM (32&64), mips and RISC-V. Note that the maximum size of size_t is implementation-defined (>65535), in this case I chose to go with unsigned long on all platforms since unsigned long =3D=3D unsigned int on all the platforms we care about. Note that the kernel uses either unsigned int or unsigned long in linux/include/uapi/asm-generic/posix_types.h. These should be equivalent for the plaforms we are targeting. Also note that the 'fast*' flavor of the types have been chosen to be always 1 byte for '*fast8*' and always long (a.k.a. intptr_t/uintptr_t) for the other variants. I have never seen the 'fast*' types in use in the wild but that seems to be what glibc does. Signed-off-by: Vincent Dagonneau Signed-off-by: Willy Tarreau Reviewed-by. Reviewed-by: Thomas Wei=C3=9Fschuh --- tools/include/nolibc/stdint.h | 75 +++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) diff --git a/tools/include/nolibc/stdint.h b/tools/include/nolibc/stdint.h index 4ba264031df9..c1ce4f5e0603 100644 --- a/tools/include/nolibc/stdint.h +++ b/tools/include/nolibc/stdint.h @@ -21,4 +21,79 @@ typedef unsigned long uintptr_t; typedef signed long intptr_t; typedef signed long ptrdiff_t; =20 +typedef int8_t int_least8_t; +typedef uint8_t uint_least8_t; +typedef int16_t int_least16_t; +typedef uint16_t uint_least16_t; +typedef int32_t int_least32_t; +typedef uint32_t uint_least32_t; +typedef int64_t int_least64_t; +typedef uint64_t uint_least64_t; + +typedef int8_t int_fast8_t; +typedef uint8_t uint_fast8_t; +typedef ssize_t int_fast16_t; +typedef size_t uint_fast16_t; +typedef ssize_t int_fast32_t; +typedef size_t uint_fast32_t; +typedef ssize_t int_fast64_t; +typedef size_t uint_fast64_t; + +typedef int64_t intmax_t; +typedef uint64_t uintmax_t; + +/* limits of integral types */ + +#define INT8_MIN (-128) +#define INT16_MIN (-32767-1) +#define INT32_MIN (-2147483647-1) +#define INT64_MIN (-9223372036854775807LL-1) + +#define INT8_MAX (127) +#define INT16_MAX (32767) +#define INT32_MAX (2147483647) +#define INT64_MAX (9223372036854775807LL) + +#define UINT8_MAX (255) +#define UINT16_MAX (65535) +#define UINT32_MAX (4294967295U) +#define UINT64_MAX (18446744073709551615ULL) + +#define INT_LEAST8_MIN INT8_MIN +#define INT_LEAST16_MIN INT16_MIN +#define INT_LEAST32_MIN INT32_MIN +#define INT_LEAST64_MIN INT64_MIN + +#define INT_LEAST8_MAX INT8_MAX +#define INT_LEAST16_MAX INT16_MAX +#define INT_LEAST32_MAX INT32_MAX +#define INT_LEAST64_MAX INT64_MAX + +#define UINT_LEAST8_MAX UINT8_MAX +#define UINT_LEAST16_MAX UINT16_MAX +#define UINT_LEAST32_MAX UINT32_MAX +#define UINT_LEAST64_MAX UINT64_MAX + +#define SIZE_MAX ((size_t)(__LONG_MAX__) * 2 + 1) +#define INTPTR_MIN (-__LONG_MAX__ - 1) +#define INTPTR_MAX __LONG_MAX__ +#define PTRDIFF_MIN INTPTR_MIN +#define PTRDIFF_MAX INTPTR_MAX +#define UINTPTR_MAX SIZE_MAX + +#define INT_FAST8_MIN INT8_MIN +#define INT_FAST16_MIN INTPTR_MIN +#define INT_FAST32_MIN INTPTR_MIN +#define INT_FAST64_MIN INTPTR_MIN + +#define INT_FAST8_MAX INT8_MAX +#define INT_FAST16_MAX INTPTR_MAX +#define INT_FAST32_MAX INTPTR_MAX +#define INT_FAST64_MAX INTPTR_MAX + +#define UINT_FAST8_MAX UINT8_MAX +#define UINT_FAST16_MAX SIZE_MAX +#define UINT_FAST32_MAX SIZE_MAX +#define UINT_FAST64_MAX SIZE_MAX + #endif /* _NOLIBC_STDINT_H */ --=20 2.39.2 From nobody Thu Sep 11 00:28:28 2025 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 942C2C61DA4 for ; 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Wed, 22 Feb 2023 20:00:47 -0500 (EST) From: Vincent Dagonneau To: linux-kernel@vger.kernel.org Cc: w@1wt.eu, Vincent Dagonneau Subject: [PATCH v6 3/4] tools/nolibc: enlarge column width of tests Date: Wed, 22 Feb 2023 20:00:24 -0500 Message-Id: <20230223010025.11092-4-v@vda.io> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230223010025.11092-1-v@vda.io> References: <20230223010025.11092-1-v@vda.io> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This commit enlarges the column width from 40 to 64 characters to make room for longer tests Signed-off-by: Vincent Dagonneau Signed-off-by: Willy Tarreau Reviewed-by. Reviewed-by: Thomas Wei=C3=9Fschuh --- tools/testing/selftests/nolibc/nolibc-test.c | 96 ++++++++++---------- 1 file changed, 48 insertions(+), 48 deletions(-) diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/s= elftests/nolibc/nolibc-test.c index c4a0c915139c..882140508d56 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -130,111 +130,111 @@ static int pad_spc(int llen, int cnt, const char *f= mt, ...) */ =20 #define EXPECT_ZR(cond, expr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_zr= (expr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_zr= (expr, llen); } while (0) =20 static int expect_zr(int expr, int llen) { int ret =3D !(expr =3D=3D 0); =20 llen +=3D printf(" =3D %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } =20 =20 #define EXPECT_NZ(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_nz= (expr, llen; } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_nz= (expr, llen; } while (0) =20 static int expect_nz(int expr, int llen) { int ret =3D !(expr !=3D 0); =20 llen +=3D printf(" =3D %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } =20 =20 #define EXPECT_EQ(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_eq= (expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_eq= (expr, llen, val); } while (0) =20 -static int expect_eq(int expr, int llen, int val) +static int expect_eq(uint64_t expr, int llen, uint64_t val) { int ret =3D !(expr =3D=3D val); =20 - llen +=3D printf(" =3D %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + llen +=3D printf(" =3D %lld ", expr); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } =20 =20 #define EXPECT_NE(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_ne= (expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_ne= (expr, llen, val); } while (0) =20 static int expect_ne(int expr, int llen, int val) { int ret =3D !(expr !=3D val); =20 llen +=3D printf(" =3D %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } =20 =20 #define EXPECT_GE(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_ge= (expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_ge= (expr, llen, val); } while (0) =20 static int expect_ge(int expr, int llen, int val) { int ret =3D !(expr >=3D val); =20 llen +=3D printf(" =3D %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } =20 =20 #define EXPECT_GT(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_gt= (expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_gt= (expr, llen, val); } while (0) =20 static int expect_gt(int expr, int llen, int val) { int ret =3D !(expr > val); =20 llen +=3D printf(" =3D %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } =20 =20 #define EXPECT_LE(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_le= (expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_le= (expr, llen, val); } while (0) =20 static int expect_le(int expr, int llen, int val) { int ret =3D !(expr <=3D val); =20 llen +=3D printf(" =3D %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } =20 =20 #define EXPECT_LT(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_lt= (expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_lt= (expr, llen, val); } while (0) =20 static int expect_lt(int expr, int llen, int val) { int ret =3D !(expr < val); =20 llen +=3D printf(" =3D %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } =20 =20 #define EXPECT_SYSZR(cond, expr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_sy= szr(expr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_sy= szr(expr, llen); } while (0) =20 static int expect_syszr(int expr, int llen) { @@ -243,17 +243,17 @@ static int expect_syszr(int expr, int llen) if (expr) { ret =3D 1; llen +=3D printf(" =3D %d %s ", expr, errorname(errno)); - llen +=3D pad_spc(llen, 40, "[FAIL]\n"); + llen +=3D pad_spc(llen, 64, "[FAIL]\n"); } else { llen +=3D printf(" =3D %d ", expr); - llen +=3D pad_spc(llen, 40, " [OK]\n"); + llen +=3D pad_spc(llen, 64, " [OK]\n"); } return ret; } =20 =20 #define EXPECT_SYSEQ(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_sy= seq(expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_sy= seq(expr, llen, val); } while (0) =20 static int expect_syseq(int expr, int llen, int val) { @@ -262,17 +262,17 @@ static int expect_syseq(int expr, int llen, int val) if (expr !=3D val) { ret =3D 1; llen +=3D printf(" =3D %d %s ", expr, errorname(errno)); - llen +=3D pad_spc(llen, 40, "[FAIL]\n"); + llen +=3D pad_spc(llen, 64, "[FAIL]\n"); } else { llen +=3D printf(" =3D %d ", expr); - llen +=3D pad_spc(llen, 40, " [OK]\n"); + llen +=3D pad_spc(llen, 64, " [OK]\n"); } return ret; } =20 =20 #define EXPECT_SYSNE(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_sy= sne(expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_sy= sne(expr, llen, val); } while (0) =20 static int expect_sysne(int expr, int llen, int val) { @@ -281,17 +281,17 @@ static int expect_sysne(int expr, int llen, int val) if (expr =3D=3D val) { ret =3D 1; llen +=3D printf(" =3D %d %s ", expr, errorname(errno)); - llen +=3D pad_spc(llen, 40, "[FAIL]\n"); + llen +=3D pad_spc(llen, 64, "[FAIL]\n"); } else { llen +=3D printf(" =3D %d ", expr); - llen +=3D pad_spc(llen, 40, " [OK]\n"); + llen +=3D pad_spc(llen, 64, " [OK]\n"); } return ret; } =20 =20 #define EXPECT_SYSER(cond, expr, expret, experr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_sy= serr(expr, expret, experr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_sy= serr(expr, expret, experr, llen); } while (0) =20 static int expect_syserr(int expr, int expret, int experr, int llen) { @@ -302,16 +302,16 @@ static int expect_syserr(int expr, int expret, int ex= perr, int llen) if (expr !=3D expret || _errno !=3D experr) { ret =3D 1; llen +=3D printf(" !=3D (%d %s) ", expret, errorname(experr)); - llen +=3D pad_spc(llen, 40, "[FAIL]\n"); + llen +=3D pad_spc(llen, 64, "[FAIL]\n"); } else { - llen +=3D pad_spc(llen, 40, " [OK]\n"); + llen +=3D pad_spc(llen, 64, " [OK]\n"); } return ret; } =20 =20 #define EXPECT_PTRZR(cond, expr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_pt= rzr(expr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_pt= rzr(expr, llen); } while (0) =20 static int expect_ptrzr(const void *expr, int llen) { @@ -320,16 +320,16 @@ static int expect_ptrzr(const void *expr, int llen) llen +=3D printf(" =3D <%p> ", expr); if (expr) { ret =3D 1; - llen +=3D pad_spc(llen, 40, "[FAIL]\n"); + llen +=3D pad_spc(llen, 64, "[FAIL]\n"); } else { - llen +=3D pad_spc(llen, 40, " [OK]\n"); + llen +=3D pad_spc(llen, 64, " [OK]\n"); } return ret; } =20 =20 #define EXPECT_PTRNZ(cond, expr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_pt= rnz(expr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_pt= rnz(expr, llen); } while (0) =20 static int expect_ptrnz(const void *expr, int llen) { @@ -338,16 +338,16 @@ static int expect_ptrnz(const void *expr, int llen) llen +=3D printf(" =3D <%p> ", expr); if (!expr) { ret =3D 1; - llen +=3D pad_spc(llen, 40, "[FAIL]\n"); + llen +=3D pad_spc(llen, 64, "[FAIL]\n"); } else { - llen +=3D pad_spc(llen, 40, " [OK]\n"); + llen +=3D pad_spc(llen, 64, " [OK]\n"); } return ret; } =20 =20 #define EXPECT_STRZR(cond, expr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_st= rzr(expr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_st= rzr(expr, llen); } while (0) =20 static int expect_strzr(const char *expr, int llen) { @@ -356,16 +356,16 @@ static int expect_strzr(const char *expr, int llen) llen +=3D printf(" =3D <%s> ", expr); if (expr) { ret =3D 1; - llen +=3D pad_spc(llen, 40, "[FAIL]\n"); + llen +=3D pad_spc(llen, 64, "[FAIL]\n"); } else { - llen +=3D pad_spc(llen, 40, " [OK]\n"); + llen +=3D pad_spc(llen, 64, " [OK]\n"); } return ret; } =20 =20 #define EXPECT_STRNZ(cond, expr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_st= rnz(expr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_st= rnz(expr, llen); } while (0) =20 static int expect_strnz(const char *expr, int llen) { @@ -374,16 +374,16 @@ static int expect_strnz(const char *expr, int llen) llen +=3D printf(" =3D <%s> ", expr); if (!expr) { ret =3D 1; - llen +=3D pad_spc(llen, 40, "[FAIL]\n"); + llen +=3D pad_spc(llen, 64, "[FAIL]\n"); } else { - llen +=3D pad_spc(llen, 40, " [OK]\n"); + llen +=3D pad_spc(llen, 64, " [OK]\n"); } return ret; } =20 =20 #define EXPECT_STREQ(cond, expr, cmp) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_st= req(expr, llen, cmp); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_st= req(expr, llen, cmp); } while (0) =20 static int expect_streq(const char *expr, int llen, const char *cmp) { @@ -392,16 +392,16 @@ static int expect_streq(const char *expr, int llen, c= onst char *cmp) llen +=3D printf(" =3D <%s> ", expr); if (strcmp(expr, cmp) !=3D 0) { ret =3D 1; - llen +=3D pad_spc(llen, 40, "[FAIL]\n"); + llen +=3D pad_spc(llen, 64, "[FAIL]\n"); } else { - llen +=3D pad_spc(llen, 40, " [OK]\n"); + llen +=3D pad_spc(llen, 64, " [OK]\n"); } return ret; } =20 =20 #define EXPECT_STRNE(cond, expr, cmp) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret +=3D expect_st= rne(expr, llen, cmp); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret +=3D expect_st= rne(expr, llen, cmp); } while (0) =20 static int expect_strne(const char *expr, int llen, const char *cmp) { @@ -410,9 +410,9 @@ static int expect_strne(const char *expr, int llen, con= st char *cmp) llen +=3D printf(" =3D <%s> ", expr); if (strcmp(expr, cmp) =3D=3D 0) { ret =3D 1; - llen +=3D pad_spc(llen, 40, "[FAIL]\n"); + llen +=3D pad_spc(llen, 64, "[FAIL]\n"); } else { - llen +=3D pad_spc(llen, 40, " [OK]\n"); + llen +=3D pad_spc(llen, 64, " [OK]\n"); } return ret; } --=20 2.39.2 From nobody Thu Sep 11 00:28:28 2025 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 1C5EFC636D6 for ; Thu, 23 Feb 2023 01:01:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232827AbjBWBB5 (ORCPT ); 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Wed, 22 Feb 2023 20:00:49 -0500 (EST) From: Vincent Dagonneau To: linux-kernel@vger.kernel.org Cc: w@1wt.eu, Vincent Dagonneau Subject: [PATCH v6 4/4] tools/nolibc: add tests for the integer limits in stdint.h Date: Wed, 22 Feb 2023 20:00:25 -0500 Message-Id: <20230223010025.11092-5-v@vda.io> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230223010025.11092-1-v@vda.io> References: <20230223010025.11092-1-v@vda.io> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This commit adds tests for the limits added in a previous commit. The limits are defined in decimal in stdint.h and as hexadecimal in the tests (e.g. 0x7f =3D 127 or 0x80 =3D -128). Hopefully it catches some of the most egregious mistakes. As we rely on the compiler to provide __SIZEOF_LONG__, we also test whether it is defined. Signed-off-by: Vincent Dagonneau Signed-off-by: Willy Tarreau Reviewed-by. Reviewed-by: Thomas Wei=C3=9Fschuh --- tools/testing/selftests/nolibc/nolibc-test.c | 53 ++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/s= elftests/nolibc/nolibc-test.c index 882140508d56..d6886f900e79 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -561,6 +561,59 @@ int run_syscall(int min, int max) CASE_TEST(waitpid_child); EXPECT_SYSER(1, waitpid(getpid(), &tmp, WN= OHANG), -1, ECHILD); break; CASE_TEST(write_badf); EXPECT_SYSER(1, write(-1, &tmp, 1), -1, EB= ADF); break; CASE_TEST(write_zero); EXPECT_SYSZR(1, write(1, &tmp, 0)); break; + CASE_TEST(limit_int8_max); EXPECT_EQ(1, INT8_MAX, (int8= _t) 0x7f); break; + CASE_TEST(limit_int8_min); EXPECT_EQ(1, INT8_MIN, (int8= _t) 0x80); break; + CASE_TEST(limit_uint8_max); EXPECT_EQ(1, UINT8_MAX, (uint= 8_t) 0xff); break; + CASE_TEST(limit_int16_max); EXPECT_EQ(1, INT16_MAX, (int1= 6_t) 0x7fff); break; + CASE_TEST(limit_int16_min); EXPECT_EQ(1, INT16_MIN, (int1= 6_t) 0x8000); break; + CASE_TEST(limit_uint16_max); EXPECT_EQ(1, UINT16_MAX, (uint= 16_t) 0xffff); break; + CASE_TEST(limit_int32_max); EXPECT_EQ(1, INT32_MAX, (int3= 2_t) 0x7fffffff); break; + CASE_TEST(limit_int32_min); EXPECT_EQ(1, INT32_MIN, (int3= 2_t) 0x80000000); break; + CASE_TEST(limit_uint32_max); EXPECT_EQ(1, UINT32_MAX, (uint= 32_t) 0xffffffff); break; + CASE_TEST(limit_int64_max); EXPECT_EQ(1, INT64_MAX, (int6= 4_t) 0x7fffffffffffffff); break; + CASE_TEST(limit_int64_min); EXPECT_EQ(1, INT64_MIN, (int6= 4_t) 0x8000000000000000); break; + CASE_TEST(limit_uint64_max); EXPECT_EQ(1, UINT64_MAX, (uint= 64_t) 0xffffffffffffffff); break; + CASE_TEST(limit_int_least8_max); EXPECT_EQ(1, INT_LEAST8_MAX, (int_= least8_t) 0x7f); break; + CASE_TEST(limit_int_least8_min); EXPECT_EQ(1, INT_LEAST8_MIN, (int_= least8_t) 0x80); break; + CASE_TEST(limit_uint_least8_max); EXPECT_EQ(1, UINT_LEAST8_MAX, (uint= _least8_t) 0xff); break; + CASE_TEST(limit_int_least16_max); EXPECT_EQ(1, INT_LEAST16_MAX, (int_= least16_t) 0x7fff); break; + CASE_TEST(limit_int_least16_min); EXPECT_EQ(1, INT_LEAST16_MIN, (int_= least16_t) 0x8000); break; + CASE_TEST(limit_uint_least16_max); EXPECT_EQ(1, UINT_LEAST16_MAX, (uint= _least16_t) 0xffff); break; + CASE_TEST(limit_int_least32_max); EXPECT_EQ(1, INT_LEAST32_MAX, (int_= least32_t) 0x7fffffff); break; + CASE_TEST(limit_int_least32_min); EXPECT_EQ(1, INT_LEAST32_MIN, (int_= least32_t) 0x80000000); break; + CASE_TEST(limit_uint_least32_max); EXPECT_EQ(1, UINT_LEAST32_MAX, (uint= _least32_t) 0xffffffffU); break; + CASE_TEST(limit_int_least64_min); EXPECT_EQ(1, INT_LEAST64_MIN, (int_= least64_t) 0x8000000000000000LL); break; + CASE_TEST(limit_int_least64_max); EXPECT_EQ(1, INT_LEAST64_MAX, (int_= least64_t) 0x7fffffffffffffffLL); break; + CASE_TEST(limit_uint_least64_max); EXPECT_EQ(1, UINT_LEAST64_MAX, (uint= _least64_t) 0xffffffffffffffffULL); break; + 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_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_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) INTPTR_MIN); break; + CASE_TEST(limit_int_fast64_max); EXPECT_EQ(1, INT_FAST64_MAX, (int_= fast64_t) INTPTR_MAX); break; + CASE_TEST(limit_uint_fast64_max); EXPECT_EQ(1, UINT_FAST64_MAX, (uint= _fast64_t) UINTPTR_MAX); break; +#if __SIZEOF_LONG__ =3D=3D 8 + CASE_TEST(limit_intptr_min); EXPECT_EQ(1, INTPTR_MIN, (intp= tr_t) 0x8000000000000000LL); break; + CASE_TEST(limit_intptr_max); EXPECT_EQ(1, INTPTR_MAX, (intp= tr_t) 0x7fffffffffffffffLL); break; + CASE_TEST(limit_uintptr_max); EXPECT_EQ(1, UINTPTR_MAX, (uint= ptr_t) 0xffffffffffffffffULL); break; + CASE_TEST(limit_ptrdiff_min); EXPECT_EQ(1, PTRDIFF_MIN, (ptrd= iff_t) 0x8000000000000000LL); break; + CASE_TEST(limit_ptrdiff_max); EXPECT_EQ(1, PTRDIFF_MAX, (ptrd= iff_t) 0x7fffffffffffffffLL); break; + CASE_TEST(limit_size_max); EXPECT_EQ(1, SIZE_MAX, (size= _t) 0xffffffffffffffffULL); break; +#elif __SIZEOF_LONG__ =3D=3D 4 + CASE_TEST(limit_intptr_min); EXPECT_EQ(1, INTPTR_MIN, (intp= tr_t) 0x80000000); break; + CASE_TEST(limit_intptr_max); EXPECT_EQ(1, INTPTR_MAX, (intp= tr_t) 0x7fffffff); break; + CASE_TEST(limit_uintptr_max); EXPECT_EQ(1, UINTPTR_MAX, (uint= ptr_t) 0xffffffffU); break; + CASE_TEST(limit_ptrdiff_min); EXPECT_EQ(1, PTRDIFF_MIN, (ptrd= iff_t) 0x80000000); break; + CASE_TEST(limit_ptrdiff_max); EXPECT_EQ(1, PTRDIFF_MAX, (ptrd= iff_t) 0x7fffffff); break; + CASE_TEST(limit_size_max); EXPECT_EQ(1, SIZE_MAX, (size= _t) 0xffffffffU); break; +#else +# warning "__SIZEOF_LONG__ is undefined" +#endif /* __SIZEOF_LONG__ */ case __LINE__: return ret; /* must be last */ /* note: do not set any defaults so as to permit holes above */ --=20 2.39.2