From nobody Tue Feb 10 08:04:52 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1578948769; cv=none; d=zohomail.com; s=zohoarc; b=EJOXZcXJJRJkOL216XIpHDsn7exdEpkyJyL+glQtNuEROwvDhB8s/FnGs1+8HtuvtJ85ymFFBf80GITNqgcnzkNfsoK296xScs9QcFOpP34YwFAuClGgNPgT4u0sAuNrQDMHy+CNLFy+T/UAi5ZadmPpQxVQ5VVc7gmmH5cM13I= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1578948769; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=fJSkgUw/MD0WtRIJXMgdWspPNVClGzLJYUCPv0HhRWw=; b=MqAgdUTByOYxWFzWebA1tgurcyp1bLEnpCxKznr1qFoiC/CmuBeHyrTXTaX2PE9NeNd8c1wJ3H6hjBXYcv8j4z8xG6FAm1IkRTy1wYoCa+MooMugpxESOpsjy/myE2MOsXv2fStC4pO6YqVCXtVGJlyBWzCZySJX/HhUf2k0Mio= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1578948769977542.588824277143; Mon, 13 Jan 2020 12:52:49 -0800 (PST) Received: from localhost ([::1]:55704 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ir6hT-0007DX-Qi for importer@patchew.org; Mon, 13 Jan 2020 15:52:39 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:51211) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ir6Tz-0005qG-Ra for qemu-devel@nongnu.org; Mon, 13 Jan 2020 15:38:44 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ir6Ty-0007MG-U7 for qemu-devel@nongnu.org; Mon, 13 Jan 2020 15:38:43 -0500 Received: from mx2.rt-rk.com ([89.216.37.149]:48082 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 1ir6Ty-00076X-NL for qemu-devel@nongnu.org; Mon, 13 Jan 2020 15:38:42 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 948481A1F9E; Mon, 13 Jan 2020 21:38:30 +0100 (CET) Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.14.106]) by mail.rt-rk.com (Postfix) with ESMTPSA id 782521A1DF2; Mon, 13 Jan 2020 21:38:30 +0100 (CET) X-Virus-Scanned: amavisd-new at rt-rk.com From: Aleksandar Markovic To: qemu-devel@nongnu.org Subject: [PATCH v5 20/20] linux-user: Add support for KCOV_INIT_TRACE ioctl Date: Mon, 13 Jan 2020 21:34:43 +0100 Message-Id: <1578947683-21011-21-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1578947683-21011-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1578947683-21011-1-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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 Reviewed-by: Laurent Vivier --- 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 39b3825..1da71dd 100644 --- a/linux-user/ioctls.h +++ b/linux-user/ioctls.h @@ -556,4 +556,5 @@ #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 87e390d..209c138 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -2460,6 +2460,7 @@ 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) =20 struct target_sysinfo { abi_long uptime; /* Seconds since boot */ --=20 2.7.4