From patchwork Thu Nov 29 14:28:26 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikhail Abakumov X-Patchwork-Id: 1005445 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=ispras.ru Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 435L5N66lQz9sMQ for ; Fri, 30 Nov 2018 01:49:28 +1100 (AEDT) Received: from localhost ([::1]:54558 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNd8-0007zU-D6 for incoming@patchwork.ozlabs.org; Thu, 29 Nov 2018 09:49:26 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52710) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNIw-0004Xm-0I for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:28:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gSNIr-0005dT-Vc for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:28:34 -0500 Received: from mail.ispras.ru ([83.149.199.45]:39360) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNIr-0005Zp-Mv for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:28:29 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id F25AD5400C3; Thu, 29 Nov 2018 17:28:28 +0300 (MSK) From: Mikhail Abakumov To: qemu-devel@nongnu.org Date: Thu, 29 Nov 2018 17:28:26 +0300 Message-ID: <154350170644.8036.13476479435799387914.stgit@Misha-PC.lan02.inno> In-Reply-To: <154350164526.8036.12623669071583857903.stgit@Misha-PC.lan02.inno> References: <154350164526.8036.12623669071583857903.stgit@Misha-PC.lan02.inno> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 83.149.199.45 Subject: [Qemu-devel] [PATCH 10/39] windbg: implement find_kdVersion X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sw@weilnetz.de, lprosek@redhat.com, dovgaluk@ispras.ru, rkagan@virtuozzo.com, pbonzini@redhat.com, den@openvz.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Mikhail Abakumov Signed-off-by: Pavel Dovgalyuk --- target/i386/windbgstub.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/target/i386/windbgstub.c b/target/i386/windbgstub.c index 15a90e521c..dc58f5a8cc 100644 --- a/target/i386/windbgstub.c +++ b/target/i386/windbgstub.c @@ -16,6 +16,7 @@ #define OFFSET_KPCR_SELF 0x18 #else /* TARGET_I386 */ #define OFFSET_KPCR_SELF 0x1C +#define OFFSET_KPCR_VERSION 0x34 #endif /* TARGET_I386 */ #ifdef TARGET_X86_64 @@ -64,6 +65,16 @@ static bool find_kdDebuggerDataBlock(CPUState *cs) #else /* TARGET_I386 */ static bool find_kdVersion(CPUState *cs) { + if (!kdVersion.is_init && KPCR.is_init) { + kdVersion.addr = VMEM_ADDR(cs, KPCR.addr + OFFSET_KPCR_VERSION); + if (!kdVersion.addr) { + return false; + } + kdVersion.is_init = true; + + DPRINTF("find kdVersion " FMT_ADDR, kdVersion.addr); + } + return kdVersion.is_init; } #endif /* TARGET_I386 */