From nobody Tue Feb 10 03:56:16 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 959491946C7 for ; Mon, 12 Aug 2024 20:50:27 +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=1723495829; cv=none; b=gL/1NnLF/uZdsP1K052fCGiYxN1J0hbJFrcrnVXe8QhXsETTu/Y2/8KXKtk9jf+rbdPQyLgm6H2N/ULMuihQrkO43jN1imMwkELRO/WjEW4TU7owuEtrLQQMWacP4++JyoUZrgJ1xyWU12xbymH0F984K0znPZuDm4LFCYPJE94= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723495829; c=relaxed/simple; bh=ZNeFBu2r+MPt0NFXyubnSviQFodwSXA7ecOazzdipzI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=mE9DAAwe28OMR5DjYMYfeEuqcyoTmZ9m+e/ououiPYiDArgS/dVk0cSdspMntMeToe6w8y37GQXJPbfAFVN8nf5R/Rcptt1LHAP2fT6IizZ9ApNr2QIcAJ+QePvDaT8dd2RSk0Y5Ys3Gq6J8ls5k9PBBwm6Mro5J1BF+TOR9t5I= 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=JFngCM9k; 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="JFngCM9k" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1723495825; bh=ZNeFBu2r+MPt0NFXyubnSviQFodwSXA7ecOazzdipzI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=JFngCM9kl6nySRjgm5DallTnL2GSYHDADB8arPNiLVbi23HQApOyI8TO9KehskfK/ Z5GOOSrMNVhzeaKl+eOSbiHh1W5yooMD0ZorTcuvF/rRdK3clrz/TyHM7uvu0J0QFE ayj7OadDb0cniWvDvF7ZoRom5zOBlFAbiRYu2pU4= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Mon, 12 Aug 2024 22:50:17 +0200 Subject: [PATCH v2 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: <20240812-nolibc-lto-v2-1-736af7bbefa8@weissschuh.net> References: <20240812-nolibc-lto-v2-0-736af7bbefa8@weissschuh.net> In-Reply-To: <20240812-nolibc-lto-v2-0-736af7bbefa8@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=1723495824; l=912; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=ZNeFBu2r+MPt0NFXyubnSviQFodwSXA7ecOazzdipzI=; b=P2xx4qaKTCNzu9ebCHiJR1m5SdUzV/UC7fKa728DAjj7geenVVmJgtYa1FPzTvN9OgMaqRhlf mkSJzXIbuy3CFc/Zo/17qVdSGplWEXlq9jGW0cJqzfR0Y9wQ610j+jw 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 ac291574f6c0..bbcd5fd09806 100644 --- a/tools/include/nolibc/crt.h +++ b/tools/include/nolibc/crt.h @@ -22,7 +22,7 @@ extern void (*const __init_array_end[])(int, char **, cha= r**) __attribute__((wea 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