From nobody Tue Feb 10 20:28:06 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 1506425830887653.1463455231216; Tue, 26 Sep 2017 04:37:10 -0700 (PDT) Received: from localhost ([::1]:46855 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwoAi-0006SK-52 for importer@patchew.org; Tue, 26 Sep 2017 07:37:04 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60446) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnie-0006Go-9F for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:08:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dwnia-0001rX-AH for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:08:04 -0400 Received: from mail.ispras.ru ([83.149.199.45]:52456) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnia-0001rI-2U for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:08:00 -0400 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 5C9D7540113; Tue, 26 Sep 2017 14:07:59 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 26 Sep 2017 14:07:58 +0300 Message-ID: <150642407781.3900.3667954520393080307.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 41/43] windbg: implemented kd_api_search_memory 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 | 1 + windbgstub-utils.c | 30 ++++++++++++++++++++++++++++++ windbgstub.c | 4 ++++ 3 files changed, 35 insertions(+) diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-util= s.h index 23cafb1a89..ba001ddb42 100755 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -118,6 +118,7 @@ void kd_api_write_physical_memory(CPUState *cpu, Packet= Data *pd); void kd_api_get_version(CPUState *cpu, PacketData *pd); void kd_api_read_msr(CPUState *cpu, PacketData *pd); void kd_api_write_msr(CPUState *cpu, PacketData *pd); +void kd_api_search_memory(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 26bdb1f6ea..2d3fbcc41c 100755 --- a/windbgstub-utils.c +++ b/windbgstub-utils.c @@ -1540,6 +1540,36 @@ void kd_api_write_msr(CPUState *cpu, PacketData *pd) pd->m64.ReturnStatus =3D STATUS_SUCCESS; } =20 +void kd_api_search_memory(CPUState *cpu, PacketData *pd) +{ + DBGKD_SEARCH_MEMORY *m64c =3D &pd->m64.u.SearchMemory; + int s_len =3D MAX(1, ldq_p(&m64c->SearchLength)); + int p_len =3D MIN(ldl_p(&m64c->PatternLength), pd->extra_size); + target_ulong addr =3D ldq_p(&m64c->SearchAddress); + + uint8_t mem[s_len - 1 + p_len]; + + int err =3D cpu_memory_rw_debug(cpu, addr, mem, sizeof(mem), 0); + if (!err) { + int i; + pd->m64.ReturnStatus =3D STATUS_NO_MORE_ENTRIES; + for (i =3D 0; i < s_len; ++i) { + if (memcmp(mem + i, pd->extra, p_len) =3D=3D 0) { + m64c->FoundAddress =3D addr + i; + m64c->FoundAddress =3D ldq_p(&m64c->FoundAddress); + pd->m64.ReturnStatus =3D STATUS_SUCCESS; + break; + } + } + } else { + pd->m64.ReturnStatus =3D STATUS_UNSUCCESSFUL; + WINDBG_DEBUG("search_memory: No physical page mapped: " FMT_ADDR, + addr); + } + + pd->extra_size =3D 0; +} + void kd_api_unsupported(CPUState *cpu, PacketData *pd) { WINDBG_ERROR("Catched unimplemented api %s", diff --git a/windbgstub.c b/windbgstub.c index 1ec4932ddc..7cff6bc514 100755 --- a/windbgstub.c +++ b/windbgstub.c @@ -205,6 +205,10 @@ static void windbg_process_manipulate_packet(ParsingCo= ntext *ctx) case DbgKdClearAllInternalBreakpointsApi: return; =20 + case DbgKdSearchMemoryApi: + kd_api_search_memory(cpu, &ctx->data); + break; + default: kd_api_unsupported(cpu, &ctx->data); break;