From nobody Tue Feb 10 23:58:30 2026 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2CD77156220 for ; Sat, 10 Aug 2024 10:54:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.69.126.157 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723287294; cv=none; b=M8+cWqxmWEE7yRxnbVcJL32gkDzsZyJn27tjQud08a61IPxLWxvijSIVaY4dDxdWqfQjaeVNzPB1f18mSvZlksQi9lB7/+yKBG9Yw38OnXoDsN6xD564+K9g14G1hNEf8+Out9n/BSge5xK70dMUXG7Tf2anvYDnJ+7a15mQ0Zg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723287294; c=relaxed/simple; bh=jzKF0yba0KcWR8N26vRI2/4+qJGExpvII+5NOGcuBUo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=N3CDwVR2tMNwq0EhFjrsaEDS+iXV+G20+m8USWq1iK2pj/oyYnxN0DIT2Mden0DYZvwgKavp1/M7TeWSEFYKQl84EOx4IUlPgdP4MwSx7ahCGKhDtYmsbyyCX0Lwm//GZZAq7ZIaCPR2HBpZaIqZca98W/r4dghIZk0p7cV/46A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net; spf=pass smtp.mailfrom=weissschuh.net; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b=htrzsqHU; arc=none smtp.client-ip=159.69.126.157 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b="htrzsqHU" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1723287289; bh=jzKF0yba0KcWR8N26vRI2/4+qJGExpvII+5NOGcuBUo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=htrzsqHUYctVBc/taqurnaZ+idAnD1kfI1zP51jZDBPAmfe25pdIMqXu+b6ppJFpT gq/jh5rosWdc0Di98gTavhT3o84xKHqa5wYGWUe4FrdgEYWmG4d7rDojCr+WT9RwLn Xa238m8+w6Ms0qiVx1uPpjlFfYvneaR/W7LIWLZg= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Sat, 10 Aug 2024 12:54:44 +0200 Subject: [PATCH 1/3] tools/nolibc: crt: mark _start_c() as used Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240810-nolibc-lto-v1-1-a86e514c7fc1@weissschuh.net> References: <20240810-nolibc-lto-v1-0-a86e514c7fc1@weissschuh.net> In-Reply-To: <20240810-nolibc-lto-v1-0-a86e514c7fc1@weissschuh.net> To: Willy Tarreau Cc: Ammar Faizi , linux-kernel@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1723287288; l=900; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=jzKF0yba0KcWR8N26vRI2/4+qJGExpvII+5NOGcuBUo=; b=/w4izn8BUZmm84A+drA29mNtfFmvzx5U8N1zxo05O2VXknB75ozIl6d3dD1yahifl45bJRo6y YyvHG2jmR3WBj+/BiuhPHfZsSYdwya0IQcEs1iwWYB9zSImpr0awhtG X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= During LTO the reference from the asm startup code to the _start_c() function is not visible and _start_c() is removed. This will then lead to errors during linking. As _start_c() is indeed always used, mark it as such. Signed-off-by: Thomas Wei=C3=9Fschuh --- tools/include/nolibc/crt.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/include/nolibc/crt.h b/tools/include/nolibc/crt.h index 43b551468c2a..161557e6650d 100644 --- a/tools/include/nolibc/crt.h +++ b/tools/include/nolibc/crt.h @@ -22,7 +22,7 @@ extern void (*const __init_array_end[])(void) __attribute= __((weak)); extern void (*const __fini_array_start[])(void) __attribute__((weak)); extern void (*const __fini_array_end[])(void) __attribute__((weak)); =20 -__attribute__((weak)) +__attribute__((weak,used)) void _start_c(long *sp) { long argc; --=20 2.46.0