From nobody Tue Feb 10 18:54:31 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1506424623175707.480884035966; Tue, 26 Sep 2017 04:17:03 -0700 (PDT) Received: from localhost ([::1]:46753 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnrH-0005bA-A3 for importer@patchew.org; Tue, 26 Sep 2017 07:16:59 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59158) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnfq-0003f5-KL for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:05:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dwnfk-0000ON-R8 for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:05:10 -0400 Received: from mail.ispras.ru ([83.149.199.45]:51804) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnfk-0000OB-K6 for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:05:04 -0400 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id E452754009C; Tue, 26 Sep 2017 14:05:03 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 26 Sep 2017 14:05:02 +0300 Message-ID: <150642390241.3900.9553276177858515734.stgit@Misha-PC.lan02.inno> In-Reply-To: <150642384156.3900.3326424823772221077.stgit@Misha-PC.lan02.inno> References: <150642384156.3900.3326424823772221077.stgit@Misha-PC.lan02.inno> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 83.149.199.45 Subject: [Qemu-devel] [PATCH 10/43] windbg: structures for parsing data stream 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Added structures for parsing data stream from windbg to packet. Signed-off-by: Mihail Abakumov Signed-off-by: Pavel Dovgalyuk Signed-off-by: Dmitriy Koltunov --- include/exec/windbgstub-utils.h | 11 +++++++++++ windbgstub.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-util= s.h index f2402ebb34..63df5e339c 100755 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -67,6 +67,17 @@ typedef struct InitedAddr { bool is_init; } InitedAddr; =20 +typedef struct PacketData { + union { + struct { + DBGKD_MANIPULATE_STATE64 m64; + uint8_t extra[PACKET_MAX_SIZE - sizeof(DBGKD_MANIPULATE_STATE6= 4)]; + }; + uint8_t buf[PACKET_MAX_SIZE]; + }; + uint16_t extra_size; +} PacketData; + bool windbg_on_load(void); void windbg_on_exit(void); =20 diff --git a/windbgstub.c b/windbgstub.c index 99c3ef9b14..32984d0f92 100755 --- a/windbgstub.c +++ b/windbgstub.c @@ -16,6 +16,36 @@ #include "exec/windbgstub.h" #include "exec/windbgstub-utils.h" =20 +typedef enum ParsingState { + STATE_LEADER, + STATE_PACKET_TYPE, + STATE_PACKET_BYTE_COUNT, + STATE_PACKET_ID, + STATE_PACKET_CHECKSUM, + STATE_PACKET_DATA, + STATE_TRAILING_BYTE, +} ParsingState; + +typedef enum ParsingResult { + RESULT_NONE, + RESULT_BREAKIN_BYTE, + RESULT_UNKNOWN_PACKET, + RESULT_CONTROL_PACKET, + RESULT_DATA_PACKET, + RESULT_ERROR, +} ParsingResult; + +typedef struct ParsingContext { + /* index in the current buffer, + which depends on the current state */ + int index; + ParsingState state; + ParsingResult result; + KD_PACKET packet; + PacketData data; + const char *name; +} ParsingContext; + typedef struct WindbgState { bool is_loaded; =20