From patchwork Fri Jan 3 22:18:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aleksandar Markovic X-Patchwork-Id: 11317521 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A3D39138D for ; Fri, 3 Jan 2020 22:27:43 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 84651227BF for ; Fri, 3 Jan 2020 22:27:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 84651227BF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rt-rk.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:57420 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1inVPy-0001cm-OS for patchwork-qemu-devel@patchwork.kernel.org; Fri, 03 Jan 2020 17:27:42 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:39719) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1inVHr-0006z6-JX for qemu-devel@nongnu.org; Fri, 03 Jan 2020 17:19:20 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1inVHp-00087x-F6 for qemu-devel@nongnu.org; Fri, 03 Jan 2020 17:19:19 -0500 Received: from mx2.rt-rk.com ([89.216.37.149]:53924 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1inVHp-00081m-1m for qemu-devel@nongnu.org; Fri, 03 Jan 2020 17:19:17 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 8EEA91A1FD7; Fri, 3 Jan 2020 23:18:10 +0100 (CET) X-Virus-Scanned: amavisd-new at rt-rk.com Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.14.106]) by mail.rt-rk.com (Postfix) with ESMTPSA id 694EB1A229B; Fri, 3 Jan 2020 23:18:10 +0100 (CET) From: Aleksandar Markovic To: qemu-devel@nongnu.org Subject: [PATCH v3 12/12] linux-user: Add support for KCOV_INIT_TRACE ioctl Date: Fri, 3 Jan 2020 23:18:02 +0100 Message-Id: <1578089882-3587-13-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1578089882-3587-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1578089882-3587-1-git-send-email-aleksandar.markovic@rt-rk.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 89.216.37.149 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: laurent@vivier.eu, amarkovic@wavecomp.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Aleksandar Markovic KCOV_INIT_TRACE ioctl plays the role in kernel coverage tracing. This ioctl's third argument is of type 'unsigned long', and the implementation in QEMU is straightforward. Signed-off-by: Aleksandar Markovic --- linux-user/ioctls.h | 1 + linux-user/syscall_defs.h | 1 + 2 files changed, 2 insertions(+) diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h index 6be143a..e2ccd6f 100644 --- a/linux-user/ioctls.h +++ b/linux-user/ioctls.h @@ -547,4 +547,5 @@ #ifdef CONFIG_KCOV IOCTL(KCOV_ENABLE, 0, TYPE_NULL) IOCTL(KCOV_DISABLE, 0, TYPE_NULL) + IOCTL(KCOV_INIT_TRACE, IOC_R, TYPE_ULONG) #endif diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h index ab4414f..4d6599d 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -2457,6 +2457,7 @@ struct target_mtpos { /* kcov ioctls */ #define TARGET_KCOV_ENABLE TARGET_IO('c', 100) #define TARGET_KCOV_DISABLE TARGET_IO('c', 101) +#define TARGET_KCOV_INIT_TRACE TARGET_IOR('c', 1, abi_ulong) struct target_sysinfo { abi_long uptime; /* Seconds since boot */