From nobody Tue Feb 10 20:49:01 2026 Delivered-To: importer@patchew.org Received-SPF: temperror (zoho.com: Error in retrieving data from DNS) 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=temperror (zoho.com: Error in retrieving data from DNS) 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 1506424598995521.1082588434667; Tue, 26 Sep 2017 04:16:38 -0700 (PDT) Received: from localhost ([::1]:46750 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnqh-00053r-LS for importer@patchew.org; Tue, 26 Sep 2017 07:16:23 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59334) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwng9-0003zt-3p for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:05:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dwng7-0000of-JU for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:05:29 -0400 Received: from mail.ispras.ru ([83.149.199.45]:51876) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwng6-0000oI-VR for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:05:27 -0400 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 45DCB5400A6; Tue, 26 Sep 2017 14:05:26 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 26 Sep 2017 14:05:24 +0300 Message-ID: <150642392471.3900.18243723823459989509.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 14/43] windbg: init DBGKD_ANY_WAIT_STATE_CHANGE 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_6 Z_629925259 SPT_0 Added function for init DBGKD_ANY_WAIT_STATE_CHANGE. It is a header of 'sta= te change' packets. Signed-off-by: Mihail Abakumov Signed-off-by: Pavel Dovgalyuk Signed-off-by: Dmitriy Koltunov --- include/exec/windbgstub-utils.h | 8 +++++ windbgstub-utils.c | 57 +++++++++++++++++++++++++++++++++++= ++++ 2 files changed, 65 insertions(+) diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-util= s.h index 63df5e339c..cf2996d8cb 100755 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -62,6 +62,14 @@ _t; \ }) =20 +#if TARGET_LONG_BITS =3D=3D 64 +# define sttul_p(p, v) stq_p(p, v) +# define ldtul_p(p) ldq_p(p) +#else +# define sttul_p(p, v) stl_p(p, v) +# define ldtul_p(p) ldl_p(p) +#endif + typedef struct InitedAddr { target_ulong addr; bool is_init; diff --git a/windbgstub-utils.c b/windbgstub-utils.c index 662096647e..60f6705f7c 100755 --- a/windbgstub-utils.c +++ b/windbgstub-utils.c @@ -14,9 +14,13 @@ #ifdef TARGET_X86_64 # define OFFSET_SELF_PCR 0x18 # define OFFSET_VERS 0x108 +# define OFFSET_KPRCB 0x20 +# define OFFSET_KPRCB_CURRTHREAD 0x8 #else # define OFFSET_SELF_PCR 0x1C # define OFFSET_VERS 0x34 +# define OFFSET_KPRCB 0x20 +# define OFFSET_KPRCB_CURRTHREAD 0x4 #endif =20 typedef struct KDData { @@ -26,6 +30,59 @@ typedef struct KDData { =20 static KDData *kd; =20 +static void kd_breakpoint_remove_range(CPUState *cpu, target_ulong base, + target_ulong limit) +{} + +__attribute__ ((unused)) /* unused yet */ +static void kd_init_state_change(CPUState *cpu, + DBGKD_ANY_WAIT_STATE_CHANGE *sc) +{ + CPUArchState *env =3D cpu->env_ptr; + DBGKD_CONTROL_REPORT *cr =3D &sc->ControlReport; + int err =3D 0; + + /* T0D0: HEADER */ + + sc->Processor =3D 0; + + sc->NumberProcessors =3D 0; + CPUState *cpu_tmp; + CPU_FOREACH(cpu_tmp) { + sc->NumberProcessors++; + } + sc->NumberProcessors =3D ldl_p(&sc->NumberProcessors); + + target_ulong KPRCB =3D READ_VMEM(cpu, kd->KPCR.addr + + OFFSET_KPRCB, target_ulong); + sc->Thread =3D READ_VMEM(cpu, KPRCB + OFFSET_KPRCB_CURRTHREAD, + target_ulong); + sc->Thread =3D ldtul_p(&sc->Thread); + sc->ProgramCounter =3D ldtul_p(&env->eip); + + /* T0D0: CONTROL REPORT */ + + cr->Dr6 =3D ldtul_p(&env->dr[6]); + cr->Dr7 =3D ldtul_p(&env->dr[7]); + cr->ReportFlags =3D REPORT_INCLUDES_SEGS | REPORT_STANDARD_CS; + cr->ReportFlags =3D lduw_p(&cr->ReportFlags); + cr->SegCs =3D lduw_p(&env->segs[R_CS].selector); + cr->SegDs =3D lduw_p(&env->segs[R_DS].selector); + cr->SegEs =3D lduw_p(&env->segs[R_ES].selector); + cr->SegFs =3D lduw_p(&env->segs[R_FS].selector); + cr->EFlags =3D ldl_p(&env->eflags); + + err =3D cpu_memory_rw_debug(cpu, sc->ProgramCounter, + PTR(cr->InstructionStream[0]), + DBGKD_MAXSTREAM, 0); + if (!err) { + cr->InstructionCount =3D DBGKD_MAXSTREAM; + cr->InstructionCount =3D lduw_p(&cr->InstructionCount); + kd_breakpoint_remove_range(cpu, sc->ProgramCounter, + sc->ProgramCounter + DBGKD_MAXSTREAM); + } +} + bool windbg_on_load(void) { CPUState *cpu =3D qemu_get_cpu(0);