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GET /api/patches/818559/?format=api
{ "id": 818559, "url": "http://patchwork.ozlabs.org/api/patches/818559/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/150642399172.3900.299369975046339119.stgit@Misha-PC.lan02.inno/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<150642399172.3900.299369975046339119.stgit@Misha-PC.lan02.inno>", "list_archive_url": null, "date": "2017-09-26T11:06:31", "name": "[26/43] windbg: implemented windbg_read_context", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "c3723cf7f63c4079e7da911fc6f8822f2a006b5f", "submitter": { "id": 71645, "url": "http://patchwork.ozlabs.org/api/people/71645/?format=api", "name": "Mikhail Abakumov", "email": "mikhail.abakumov@ispras.ru" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/150642399172.3900.299369975046339119.stgit@Misha-PC.lan02.inno/mbox/", "series": [ { "id": 5104, "url": "http://patchwork.ozlabs.org/api/series/5104/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=5104", "date": "2017-09-26T11:04:06", "name": "Windbg supporting", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/5104/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/818559/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/818559/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3y1dqx5G12z9tXP\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 26 Sep 2017 21:23:41 +1000 (AEST)", "from localhost ([::1]:46781 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dwnxj-0002fb-LF\n\tfor incoming@patchwork.ozlabs.org; Tue, 26 Sep 2017 07:23:39 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:59749)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <mikhail.abakumov@ispras.ru>) id 1dwnhG-00052b-EZ\n\tfor qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:06:39 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <mikhail.abakumov@ispras.ru>) id 1dwnhC-0001He-C6\n\tfor qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:06:38 -0400", "from mail.ispras.ru ([83.149.199.45]:52136)\n\tby eggs.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <mikhail.abakumov@ispras.ru>) id 1dwnhC-0001HS-08\n\tfor qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:06:34 -0400", "from Misha-PC.lan02.inno (unknown [85.142.117.226])\n\tby mail.ispras.ru (Postfix) with ESMTPSA id 3E6805400D9;\n\tTue, 26 Sep 2017 14:06:33 +0300 (MSK)" ], "From": "Mihail Abakumov <mikhail.abakumov@ispras.ru>", "To": "qemu-devel@nongnu.org", "Date": "Tue, 26 Sep 2017 14:06:31 +0300", "Message-ID": "<150642399172.3900.299369975046339119.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": "7bit", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 3.x [fuzzy]", "X-Received-From": "83.149.199.45", "Subject": "[Qemu-devel] [PATCH 26/43] windbg: implemented windbg_read_context", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "sw@weilnetz.de, lprosek@redhat.com, dovgaluk@ispras.ru,\n\trkagan@virtuozzo.com, pbonzini@redhat.com, den@openvz.org", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "Signed-off-by: Mihail Abakumov <mikhail.abakumov@ispras.ru>\nSigned-off-by: Pavel Dovgalyuk <dovgaluk@ispras.ru>\nSigned-off-by: Dmitriy Koltunov <koltunov@ispras.ru>\n---\n windbgstub-utils.c | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++-\n 1 file changed, 89 insertions(+), 1 deletion(-)", "diff": "diff --git a/windbgstub-utils.c b/windbgstub-utils.c\nindex c3ae2ddf5b..23bf4be9f0 100755\n--- a/windbgstub-utils.c\n+++ b/windbgstub-utils.c\n@@ -280,7 +280,95 @@ static KDData *kd;\n static int windbg_read_context(CPUState *cpu, uint8_t *buf, int len,\n int offset)\n {\n- return 0;\n+ const bool new_mem = (len != sizeof(CPU_CONTEXT) || offset != 0);\n+ CPUArchState *env = cpu->env_ptr;\n+ CPU_CONTEXT *cc;\n+ int err = 0;\n+\n+ if (new_mem) {\n+ cc = g_new(CPU_CONTEXT, 1);\n+ } else {\n+ cc = (CPU_CONTEXT *) buf;\n+ }\n+\n+ memset(cc, 0, len);\n+\n+ cc->ContextFlags = CPU_CONTEXT_ALL;\n+\n+ if (cc->ContextFlags & CPU_CONTEXT_SEGMENTS) {\n+ cc->SegCs = lduw_p(&env->segs[R_CS].selector);\n+ cc->SegDs = lduw_p(&env->segs[R_DS].selector);\n+ cc->SegEs = lduw_p(&env->segs[R_ES].selector);\n+ cc->SegFs = lduw_p(&env->segs[R_FS].selector);\n+ cc->SegGs = lduw_p(&env->segs[R_GS].selector);\n+ cc->SegSs = lduw_p(&env->segs[R_SS].selector);\n+ }\n+\n+ if (cc->ContextFlags & CPU_CONTEXT_DEBUG_REGISTERS) {\n+ cc->Dr0 = ldtul_p(&env->dr[0]);\n+ cc->Dr1 = ldtul_p(&env->dr[1]);\n+ cc->Dr2 = ldtul_p(&env->dr[2]);\n+ cc->Dr3 = ldtul_p(&env->dr[3]);\n+ cc->Dr6 = ldtul_p(&env->dr[6]);\n+ cc->Dr7 = ldtul_p(&env->dr[7]);\n+ }\n+\n+ if (cc->ContextFlags & CPU_CONTEXT_INTEGER) {\n+ cc->Edi = ldl_p(&env->regs[R_EDI]);\n+ cc->Esi = ldl_p(&env->regs[R_ESI]);\n+ cc->Ebx = ldl_p(&env->regs[R_EBX]);\n+ cc->Edx = ldl_p(&env->regs[R_EDX]);\n+ cc->Ecx = ldl_p(&env->regs[R_ECX]);\n+ cc->Eax = ldl_p(&env->regs[R_EAX]);\n+ cc->Ebp = ldl_p(&env->regs[R_EBP]);\n+ cc->Esp = ldl_p(&env->regs[R_ESP]);\n+\n+ cc->Eip = ldl_p(&env->eip);\n+ cc->EFlags = ldl_p(&env->eflags);\n+ }\n+\n+ if (cc->ContextFlags & CPU_CONTEXT_FLOATING_POINT) {\n+ uint32_t swd = 0, twd = 0;\n+ swd = env->fpus & ~(7 << 11);\n+ swd |= (env->fpstt & 7) << 11;\n+ int i;\n+ for (i = 0; i < 8; ++i) {\n+ twd |= (!env->fptags[i]) << i;\n+ }\n+\n+ cc->FloatSave.ControlWord = ldl_p(&env->fpuc);\n+ cc->FloatSave.StatusWord = ldl_p(&swd);\n+ cc->FloatSave.TagWord = ldl_p(&twd);\n+ cc->FloatSave.ErrorOffset = ldl_p(PTR(env->fpip));\n+ cc->FloatSave.ErrorSelector = ldl_p(PTR(env->fpip) + 32);\n+ cc->FloatSave.DataOffset = ldl_p(PTR(env->fpdp));\n+ cc->FloatSave.DataSelector = ldl_p(PTR(env->fpdp) + 32);\n+ cc->FloatSave.Cr0NpxState = ldl_p(&env->xcr0);\n+\n+ for (i = 0; i < 8; ++i) {\n+ memcpy(PTR(cc->FloatSave.RegisterArea[i * 10]),\n+ PTR(env->fpregs[i]), 10);\n+ }\n+ }\n+\n+ if (cc->ContextFlags & CPU_CONTEXT_EXTENDED_REGISTERS) {\n+ uint8_t *ptr = cc->ExtendedRegisters + 160;\n+ int i;\n+ for (i = 0; i < 8; ++i, ptr += 16) {\n+ stq_p(ptr, env->xmm_regs[i].ZMM_Q(0));\n+ stq_p(ptr + 8, env->xmm_regs[i].ZMM_Q(1));\n+ }\n+\n+ stl_p(cc->ExtendedRegisters + 24, env->mxcsr);\n+ }\n+\n+ cc->ContextFlags = ldl_p(&cc->ContextFlags);\n+\n+ if (new_mem) {\n+ memcpy(buf, (uint8_t *) cc + offset, len);\n+ g_free(cc);\n+ }\n+ return err;\n }\n \n static int windbg_write_context(CPUState *cpu, uint8_t *buf, int len,\n", "prefixes": [ "26/43" ] }