{"id":818559,"url":"http://patchwork.ozlabs.org/api/patches/818559/?format=json","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=json","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=json","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=json","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":"","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=)","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 ;\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)\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 ) 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 ) 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 ) 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 ","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":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","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"},"content":"Signed-off-by: Mihail Abakumov \nSigned-off-by: Pavel Dovgalyuk \nSigned-off-by: Dmitriy Koltunov \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"]}