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GET /api/patches/818573/?format=api
{ "id": 818573, "url": "http://patchwork.ozlabs.org/api/patches/818573/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/150642402028.3900.4958813484847164692.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": "<150642402028.3900.4958813484847164692.stgit@Misha-PC.lan02.inno>", "list_archive_url": null, "date": "2017-09-26T11:07:00", "name": "[31/43] windbg: implemented windbg_set_dr", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "3b3f01a4f8e6c2a5c60e40c15cef6742eda88b5f", "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/150642402028.3900.4958813484847164692.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/818573/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/818573/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 3y1f1C0F7cz9tXf\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 26 Sep 2017 21:31:43 +1000 (AEST)", "from localhost ([::1]:46822 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 1dwo5T-0001ad-Nm\n\tfor incoming@patchwork.ozlabs.org; Tue, 26 Sep 2017 07:31:39 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:59940)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <mikhail.abakumov@ispras.ru>) id 1dwnhf-0005MK-No\n\tfor qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:07:04 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <mikhail.abakumov@ispras.ru>) id 1dwnhe-0001TS-Ot\n\tfor qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:07:03 -0400", "from mail.ispras.ru ([83.149.199.45]:52252)\n\tby eggs.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <mikhail.abakumov@ispras.ru>) id 1dwnhe-0001TA-H2\n\tfor qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:07:02 -0400", "from Misha-PC.lan02.inno (unknown [85.142.117.226])\n\tby mail.ispras.ru (Postfix) with ESMTPSA id C73BB5400EB;\n\tTue, 26 Sep 2017 14:07:01 +0300 (MSK)" ], "From": "Mihail Abakumov <mikhail.abakumov@ispras.ru>", "To": "qemu-devel@nongnu.org", "Date": "Tue, 26 Sep 2017 14:07:00 +0300", "Message-ID": "<150642402028.3900.4958813484847164692.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 31/43] windbg: implemented windbg_set_dr", "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": "Defined useful macroses for breakpoints.\n\nSigned-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 | 50 +++++++++++++++++++++++++++++++++++++++++++++++++-\n 1 file changed, 49 insertions(+), 1 deletion(-)", "diff": "diff --git a/windbgstub-utils.c b/windbgstub-utils.c\nindex 238db03714..58c4c98f04 100755\n--- a/windbgstub-utils.c\n+++ b/windbgstub-utils.c\n@@ -11,6 +11,21 @@\n \n #include \"exec/windbgstub-utils.h\"\n \n+#define IS_LOCAL_BP_ENABLED(dr7, index) (((dr7) >> ((index) * 2)) & 1)\n+\n+#define IS_GLOBAL_BP_ENABLED(dr7, index) (((dr7) >> ((index) * 2)) & 2)\n+\n+#define IS_BP_ENABLED(dr7, index) \\\n+ (IS_LOCAL_BP_ENABLED(dr7, index) | IS_GLOBAL_BP_ENABLED(dr7, index))\n+\n+#define BP_TYPE(dr7, index) \\\n+ ((int) ((dr7) >> (DR7_TYPE_SHIFT + ((index) * 4))) & 3)\n+\n+#define BP_LEN(dr7, index) ({ \\\n+ int _len = (((dr7) >> (DR7_LEN_SHIFT + ((index) * 4))) & 3); \\\n+ (_len == 2) ? 8 : _len + 1; \\\n+})\n+\n #ifdef TARGET_X86_64\n # define OFFSET_SELF_PCR 0x18\n # define OFFSET_VERS 0x108\n@@ -277,9 +292,42 @@ typedef struct KDData {\n \n static KDData *kd;\n \n-static void windbg_set_dr(CPUState *cpu, int index, target_ulong value)\n+static int windbg_hw_breakpoint_insert(CPUState *cpu, int index)\n+{\n+ return 0;\n+}\n+\n+static int windbg_hw_breakpoint_remove(CPUState *cpu, int index)\n+{\n+ return 0;\n+}\n+\n+static void windbg_set_dr7(CPUState *cpu, target_ulong new_dr7)\n {}\n \n+static void windbg_set_dr(CPUState *cpu, int index, target_ulong value)\n+{\n+ CPUArchState *env = cpu->env_ptr;\n+\n+ switch (index) {\n+ case 0 ... 3:\n+ if (IS_BP_ENABLED(env->dr[7], index) && env->dr[index] != value) {\n+ windbg_hw_breakpoint_remove(cpu, index);\n+ env->dr[index] = value;\n+ windbg_hw_breakpoint_insert(cpu, index);\n+ } else {\n+ env->dr[index] = value;\n+ }\n+ return;\n+ case 6:\n+ env->dr[6] = value | DR6_FIXED_1;\n+ return;\n+ case 7:\n+ windbg_set_dr7(cpu, value);\n+ return;\n+ }\n+}\n+\n static void windbg_set_sr(CPUState *cpu, int sr, uint16_t selector)\n {\n CPUArchState *env = cpu->env_ptr;\n", "prefixes": [ "31/43" ] }