From nobody Tue Feb 10 14:33:29 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 1543503153943708.9698416231558; Thu, 29 Nov 2018 06:52:33 -0800 (PST) Received: from localhost ([::1]:54579 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNg8-0001zW-J0 for importer@patchew.org; Thu, 29 Nov 2018 09:52:32 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53786) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNKO-0005qd-Bl for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:30:05 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gSNKK-0000jb-Ag for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:30:04 -0500 Received: from mail.ispras.ru ([83.149.199.45]:39840) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNKK-0000hX-27 for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:30:00 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 558DE540188; Thu, 29 Nov 2018 17:29:59 +0300 (MSK) From: Mikhail Abakumov To: qemu-devel@nongnu.org Date: Thu, 29 Nov 2018 17:29:57 +0300 Message-ID: <154350179673.8036.8509113319452769669.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 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 26/39] windbg: implement kd_api_get_context and kd_api_set_context 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" Signed-off-by: Mikhail Abakumov Signed-off-by: Pavel Dovgalyuk --- include/exec/windbgstub-utils.h | 2 ++ target/i386/windbgstub.c | 27 +++++++++++++++++++++++++++ windbgstub.c | 8 ++++++++ 3 files changed, 37 insertions(+) diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-util= s.h index 638b2b9a6f..a88e013de9 100644 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -69,6 +69,8 @@ const char *kd_pkt_type_name(int id); =20 void kd_api_read_virtual_memory(CPUState *cs, PacketData *pd); void kd_api_write_virtual_memory(CPUState *cs, PacketData *pd); +void kd_api_get_context(CPUState *cs, PacketData *pd); +void kd_api_set_context(CPUState *cs, PacketData *pd); void kd_api_unsupported(CPUState *cs, PacketData *pd); =20 DBGKD_ANY_WAIT_STATE_CHANGE *kd_state_change_exc(CPUState *cs); diff --git a/target/i386/windbgstub.c b/target/i386/windbgstub.c index 1c2bb496b0..d08660c6fd 100644 --- a/target/i386/windbgstub.c +++ b/target/i386/windbgstub.c @@ -896,6 +896,33 @@ GEN_WINDBG_KSPEC_REGS_RW(windbg_read_ks_regs, false) __attribute__ ((unused)) /* unused yet */ GEN_WINDBG_KSPEC_REGS_RW(windbg_write_ks_regs, true) =20 +void kd_api_get_context(CPUState *cs, PacketData *pd) +{ + int err; + + pd->extra_size =3D sizeof(CPU_CONTEXT); + err =3D windbg_read_context(cs, pd->extra, pd->extra_size, + 0, sizeof(CPU_CONTEXT)); + + if (err) { + pd->extra_size =3D 0; + pd->m64.ReturnStatus =3D STATUS_UNSUCCESSFUL; + } +} + +void kd_api_set_context(CPUState *cs, PacketData *pd) +{ + int err; + + err =3D windbg_write_context(cs, pd->extra, pd->extra_size, + 0, sizeof(CPU_CONTEXT)); + pd->extra_size =3D 0; + + if (err) { + pd->m64.ReturnStatus =3D STATUS_UNSUCCESSFUL; + } +} + static bool find_KPCR(CPUState *cs) { X86CPU *cpu =3D X86_CPU(cs); diff --git a/windbgstub.c b/windbgstub.c index 46400d9bad..70ebf3c0ad 100644 --- a/windbgstub.c +++ b/windbgstub.c @@ -157,6 +157,14 @@ static void windbg_process_manipulate_packet(WindbgSta= te *state) kd_api_write_virtual_memory(cs, data); break; =20 + case DbgKdGetContextApi: + kd_api_get_context(cs, data); + break; + + case DbgKdSetContextApi: + kd_api_set_context(cs, data); + break; + default: kd_api_unsupported(cs, data); break;