From nobody Wed Feb 11 05:50:05 2026 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 8B370C76196 for ; Sun, 2 Apr 2023 18:48:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231180AbjDBSsX (ORCPT ); Sun, 2 Apr 2023 14:48:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53650 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230470AbjDBSsT (ORCPT ); Sun, 2 Apr 2023 14:48:19 -0400 Received: from 1wt.eu (wtarreau.pck.nerim.net [62.212.114.60]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id D6ECA65B6 for ; Sun, 2 Apr 2023 11:48:18 -0700 (PDT) Received: (from willy@localhost) by pcw.home.local (8.15.2/8.15.2/Submit) id 332ImDkS012487; Sun, 2 Apr 2023 20:48:13 +0200 From: Willy Tarreau To: "Paul E. McKenney" Cc: linux@weissschuh.net, linux-kernel@vger.kernel.org, Willy Tarreau Subject: [PATCH 1/4] tools/nolibc: add libc-test binary Date: Sun, 2 Apr 2023 20:48:03 +0200 Message-Id: <20230402184806.12440-2-w@1wt.eu> X-Mailer: git-send-email 2.17.5 In-Reply-To: <20230402184806.12440-1-w@1wt.eu> References: <20230402184806.12440-1-w@1wt.eu> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Thomas Wei=C3=9Fschuh This can be used to easily compare the behavior of nolibc to the system libc. Signed-off-by: Thomas Wei=C3=9Fschuh Signed-off-by: Willy Tarreau --- tools/testing/selftests/nolibc/.gitignore | 1 + tools/testing/selftests/nolibc/Makefile | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/tools/testing/selftests/nolibc/.gitignore b/tools/testing/self= tests/nolibc/.gitignore index 4696df589d68..52f613cdad54 100644 --- a/tools/testing/selftests/nolibc/.gitignore +++ b/tools/testing/selftests/nolibc/.gitignore @@ -1,4 +1,5 @@ /initramfs/ +/libc-test /nolibc-test /run.out /sysroot/ diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selfte= sts/nolibc/Makefile index bbce57420465..0cbe13809b37 100644 --- a/tools/testing/selftests/nolibc/Makefile +++ b/tools/testing/selftests/nolibc/Makefile @@ -94,6 +94,7 @@ help: @echo " help this help" @echo " sysroot create the nolibc sysroot here (uses \$$ARCH)" @echo " nolibc-test build the executable (uses \$$CC and \$$CROSS_COMPI= LE)" + @echo " libc-test build an executable using the compiler's default li= bc instead" @echo " run-user runs the executable under QEMU (uses \$$ARCH, \$$TE= ST)" @echo " initramfs prepare the initramfs with nolibc-test" @echo " defconfig create a fresh new default config (uses \$$ARCH)" @@ -128,6 +129,9 @@ nolibc-test: nolibc-test.c sysroot/$(ARCH)/include $(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \ -nostdlib -static -Isysroot/$(ARCH)/include $< -lgcc =20 +libc-test: nolibc-test.c + $(QUIET_CC)$(CC) -o $@ $< + # qemu user-land test run-user: nolibc-test $(Q)qemu-$(QEMU_ARCH) ./nolibc-test > "$(CURDIR)/run.out" || : @@ -159,6 +163,8 @@ clean: $(Q)rm -rf sysroot $(call QUIET_CLEAN, nolibc-test) $(Q)rm -f nolibc-test + $(call QUIET_CLEAN, libc-test) + $(Q)rm -f libc-test $(call QUIET_CLEAN, initramfs) $(Q)rm -rf initramfs $(call QUIET_CLEAN, run.out) --=20 2.17.5