From nobody Tue Feb 10 19:10:21 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 (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1506424128794948.4759690082686; Tue, 26 Sep 2017 04:08:48 -0700 (PDT) Received: from localhost ([::1]:46703 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnjC-0006Lu-TZ for importer@patchew.org; Tue, 26 Sep 2017 07:08:39 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59682) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnh4-0004mt-2s for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:06:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dwnh0-0001DJ-UT for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:06:26 -0400 Received: from mail.ispras.ru ([83.149.199.45]:52094) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnh0-0001D4-Mm for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:06:22 -0400 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 0BC2D5400D3; Tue, 26 Sep 2017 14:06:22 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 26 Sep 2017 14:06:20 +0300 Message-ID: <150642398052.3900.12516273863992631402.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 24/43] windbg: implemented 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" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Signed-off-by: Mihail Abakumov Signed-off-by: Pavel Dovgalyuk Signed-off-by: Dmitriy Koltunov --- include/exec/windbgstub-utils.h | 2 ++ windbgstub-utils.c | 37 +++++++++++++++++++++++++++++++++++= ++ windbgstub.c | 8 ++++++++ 3 files changed, 47 insertions(+) diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-util= s.h index c1ff1cec57..0b683f95ac 100755 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -104,6 +104,8 @@ typedef struct SizedBuf { =20 void kd_api_read_virtual_memory(CPUState *cpu, PacketData *pd); void kd_api_write_virtual_memory(CPUState *cpu, PacketData *pd); +void kd_api_get_context(CPUState *cpu, PacketData *pd); +void kd_api_set_context(CPUState *cpu, PacketData *pd); void kd_api_unsupported(CPUState *cpu, PacketData *pd); =20 SizedBuf kd_gen_exception_sc(CPUState *cpu); diff --git a/windbgstub-utils.c b/windbgstub-utils.c index 3c81ecefb8..b15d84c8d0 100755 --- a/windbgstub-utils.c +++ b/windbgstub-utils.c @@ -277,6 +277,18 @@ typedef struct KDData { =20 static KDData *kd; =20 +static int windbg_read_context(CPUState *cpu, uint8_t *buf, int len, + int offset) +{ + return 0; +} + +static int windbg_write_context(CPUState *cpu, uint8_t *buf, int len, + int offset) +{ + return 0; +} + void kd_api_read_virtual_memory(CPUState *cpu, PacketData *pd) { DBGKD_READ_MEMORY64 *mem =3D &pd->m64.u.ReadMemory; @@ -324,6 +336,31 @@ void kd_api_write_virtual_memory(CPUState *cpu, Packet= Data *pd) } } =20 +void kd_api_get_context(CPUState *cpu, PacketData *pd) +{ + int err; + + pd->extra_size =3D sizeof(CPU_CONTEXT); + err =3D windbg_read_context(cpu, pd->extra, pd->extra_size, 0); + + if (err) { + pd->extra_size =3D 0; + pd->m64.ReturnStatus =3D STATUS_UNSUCCESSFUL; + } +} + +void kd_api_set_context(CPUState *cpu, PacketData *pd) +{ + int err; + + err =3D windbg_write_context(cpu, pd->extra, pd->extra_size, 0); + pd->extra_size =3D 0; + + if (err) { + pd->m64.ReturnStatus =3D STATUS_UNSUCCESSFUL; + } +} + void kd_api_unsupported(CPUState *cpu, PacketData *pd) { WINDBG_ERROR("Catched unimplemented api %s", diff --git a/windbgstub.c b/windbgstub.c index 327fe83f70..23930d195e 100755 --- a/windbgstub.c +++ b/windbgstub.c @@ -141,6 +141,14 @@ static void windbg_process_manipulate_packet(ParsingCo= ntext *ctx) kd_api_write_virtual_memory(cpu, &ctx->data); break; =20 + case DbgKdGetContextApi: + kd_api_get_context(cpu, &ctx->data); + break; + + case DbgKdSetContextApi: + kd_api_set_context(cpu, &ctx->data); + break; + default: kd_api_unsupported(cpu, &ctx->data); break;