From nobody Tue Feb 10 20:14:33 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 15082483242331010.3912046719208; Tue, 17 Oct 2017 06:52:04 -0700 (PDT) Received: from localhost ([::1]:39516 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e4SHh-0003VC-7P for importer@patchew.org; Tue, 17 Oct 2017 09:51:53 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34966) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e4Rfv-0005p6-4P for qemu-devel@nongnu.org; Tue, 17 Oct 2017 09:12:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e4Rfu-0007cs-6x for qemu-devel@nongnu.org; Tue, 17 Oct 2017 09:12:51 -0400 Received: from mail.ispras.ru ([83.149.199.45]:57452) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e4Rft-0007bS-Vc for qemu-devel@nongnu.org; Tue, 17 Oct 2017 09:12:50 -0400 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 4045554006B; Tue, 17 Oct 2017 16:12:45 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 17 Oct 2017 16:12:42 +0300 Message-ID: <150824596263.6816.4069912549519336456.stgit@Misha-PC.lan02.inno> In-Reply-To: <150824572545.6816.5099701189660002212.stgit@Misha-PC.lan02.inno> References: <150824572545.6816.5099701189660002212.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 v2 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 | 33 +++++++++++++++++++++++++++++++++ windbgstub.c | 4 ++++ 3 files changed, 38 insertions(+) diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-util= s.h index 0199a47343..6c587dadd8 100755 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -109,6 +109,7 @@ 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 40f859009a..8417de8fb1 100755 --- a/windbgstub-utils.c +++ b/windbgstub-utils.c @@ -261,6 +261,39 @@ void kd_api_get_version(CPUState *cpu, PacketData *pd) } } =20 +void kd_api_search_memory(CPUState *cpu, PacketData *pd) +{ + DBGKD_SEARCH_MEMORY *m64c =3D &pd->m64.u.SearchMemory; + int s_len =3D MAX(ldq_p(&m64c->SearchLength), 1); + int p_len =3D MIN(ldl_p(&m64c->PatternLength), pd->extra_size); + target_ulong addr =3D ldq_p(&m64c->SearchAddress); + int size =3D MIN(s_len, 10); + uint8_t mem[size + p_len]; + int i, err; + + pd->extra_size =3D 0; + pd->m64.ReturnStatus =3D STATUS_NO_MORE_ENTRIES; + + while (s_len) { + err =3D cpu_memory_rw_debug(cpu, addr, mem, size + p_len, 0); + if (!err) { + for (i =3D 0; i < size; ++i) { + if (memcmp(mem + i, pd->extra, p_len) =3D=3D 0) { + stl_p(&m64c->FoundAddress, addr + i); + pd->m64.ReturnStatus =3D STATUS_SUCCESS; + return; + } + } + } else { + WINDBG_DEBUG("search_memory: No physical page mapped: " FMT_AD= DR, + addr); + } + s_len -=3D size; + addr +=3D size; + size =3D MIN(s_len, 10); + } +} + void kd_api_unsupported(CPUState *cpu, PacketData *pd) { WINDBG_ERROR("Caught unimplemented api %s", diff --git a/windbgstub.c b/windbgstub.c index 0268d0818e..d35ff6ba96 100755 --- a/windbgstub.c +++ b/windbgstub.c @@ -212,6 +212,10 @@ 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;