From patchwork Wed Aug 7 21:51:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13756790 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 6D6E477F1B; Wed, 7 Aug 2024 21:51:58 +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=1723067521; cv=none; b=TPOfqGXWSr6tMaS7VFYrne9vzk1MMyuzu1xncArANCgzsaYnCzpB5UdDVUrnEw+KO6npddi9nwl7EmZM0f+qw1Ee9TBqcFo1HnLTy9m5cjOtPCQPa+zpwqNPNWoOC1RY0RojqZGLbYpT87WmOGdn8ZY1HGR6z6wUIx3h1D0q9PI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723067521; c=relaxed/simple; bh=V6RqjZoNDuMuFSrmOeoNBxIc8QHuAyFjHlyySjNVhEE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Umcp/DEqi2Lyd28kv1HkFLjtbNRk92LvWHFhaz/8duqoRjYcY1cVbBKrhM+vWwCwGnPKo+GyyIuR4yxfe6qDcsqBfqVGAnjrHXD7h3GSzWjciWrLdDmF8GN69vayoudrOeBBYSCPHAhSlLHOubhfViXII59nIqe/yPIlpFm8k70= 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=qPmPmHWk; 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="qPmPmHWk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1723067510; bh=V6RqjZoNDuMuFSrmOeoNBxIc8QHuAyFjHlyySjNVhEE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=qPmPmHWkHV31tYw/01OHVKm8gxaYiHji2m9436HMQ8mxPryC/j9Dt8w+UaWq/6aWV AiBzzB180dAUOxF7K0zHWO89e2P824YINo/Yn5QRHkRkG6CT3gRcAZtqZF3KCrKGbz /Phwgb5C0wmC2cA4+N8PPCp+ZdZ15TXTtdN1iX1E= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Wed, 07 Aug 2024 23:51:37 +0200 Subject: [PATCH v2 01/15] tools/nolibc: arm: use clang-compatible asm syntax Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240807-nolibc-llvm-v2-1-c20f2f5fc7c2@weissschuh.net> References: <20240807-nolibc-llvm-v2-0-c20f2f5fc7c2@weissschuh.net> In-Reply-To: <20240807-nolibc-llvm-v2-0-c20f2f5fc7c2@weissschuh.net> To: Willy Tarreau , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-kselftest@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=1723067509; l=1062; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=V6RqjZoNDuMuFSrmOeoNBxIc8QHuAyFjHlyySjNVhEE=; b=SglxSo77Hm5XgbvIdgPvPkKhRNORxL92uzEiid5Q4Ms3oJ9cm3F/JWmUpOFQmCjT8xqvRcw7T 18GOTtzoq2aA+P486EUQqwmXfPCClo5NS1n82PTx+bCs9pPN9kyhuEK X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= The clang assembler rejects the current syntax. Switch to a syntax accepted by both GCC and clang. Signed-off-by: Thomas Weißschuh --- tools/include/nolibc/arch-arm.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/include/nolibc/arch-arm.h b/tools/include/nolibc/arch-arm.h index cae4afa7c1c7..d1c19d973e55 100644 --- a/tools/include/nolibc/arch-arm.h +++ b/tools/include/nolibc/arch-arm.h @@ -188,8 +188,8 @@ void __attribute__((weak, noreturn, optimize("Os", "omit-frame-pointer"))) __no_stack_protector _start(void) { __asm__ volatile ( - "mov %r0, sp\n" /* save stack pointer to %r0, as arg1 of _start_c */ - "and ip, %r0, #-8\n" /* sp must be 8-byte aligned in the callee */ + "mov r0, sp\n" /* save stack pointer to %r0, as arg1 of _start_c */ + "and ip, r0, #-8\n" /* sp must be 8-byte aligned in the callee */ "mov sp, ip\n" "bl _start_c\n" /* transfer to c runtime */ );