From nobody Fri Nov 1 07:27:14 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1708089011; cv=none; d=zohomail.com; s=zohoarc; b=P6XqPC1lcIkXSmityypQizzPx32OwlJ9KloudR5qx7Wf+Xoyxl8uhNr3FDj9K8IyN8wES6miJxYBNO3PxRFaOGxv/Gprdfe1acxfQBb7D/hQPUpl3jpjfSjse8ygC3ywFsyuYz+UVYrMjD+6DZdk0jIiTMphQpKIz8EdWWpa2OM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1708089011; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=tTBEhUctI/TTQ01DbYehDxpwbIeCUW1tD21v9Vwx0Y4=; b=TfwKJvkPqdKyLbBLuTJs6hpvzszl/ttoV7W14jJU8iSWVXhCi0HKo0klfMlCmkmpA6McDsiYqzSU24abeoNnIjHz6xlh0rgrxwNEs4a2e4ZrAbqX+lmzbFNE5fe4XvJaxdVgAWi3AikmMBtSRH6iNAj0f+2+3WN6c8dHs1fCQvg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1708089011070187.47981248108943; Fri, 16 Feb 2024 05:10:11 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1raxxL-0008G8-F5; Fri, 16 Feb 2024 08:08:43 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1raxxI-0008D8-Ci for qemu-devel@nongnu.org; Fri, 16 Feb 2024 08:08:40 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1raxxG-0001Pc-BB for qemu-devel@nongnu.org; Fri, 16 Feb 2024 08:08:40 -0500 Received: from pps.filterd (m0353729.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 41GC7DHm019982; Fri, 16 Feb 2024 13:08:33 GMT Received: from ppma22.wdc07v.mail.ibm.com (5c.69.3da9.ip4.static.sl-reverse.com [169.61.105.92]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3wa7e8192u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 16 Feb 2024 13:08:33 +0000 Received: from pps.filterd (ppma22.wdc07v.mail.ibm.com [127.0.0.1]) by ppma22.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 41GCeHV2004297; Fri, 16 Feb 2024 13:08:32 GMT Received: from smtprelay01.fra02v.mail.ibm.com ([9.218.2.227]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3w6kv0uk9v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 16 Feb 2024 13:08:31 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay01.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 41GD8R3E19333640 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 16 Feb 2024 13:08:29 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C86D92004E; Fri, 16 Feb 2024 13:08:27 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8F9C120040; Fri, 16 Feb 2024 13:08:27 +0000 (GMT) Received: from black.boeblingen.de.ibm.com (unknown [9.155.200.166]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 16 Feb 2024 13:08:27 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=tTBEhUctI/TTQ01DbYehDxpwbIeCUW1tD21v9Vwx0Y4=; b=UweK77Li1a7RciX9UfIe1oVlA5C7oNFLTda26VWEPrz3Lg6GRPSIfyfGM/zr6z9QAS2f WYBio53UKlZB6QFHoaCEMxJnI9xVpMmMhwrQl9wH3nDnxyzNl99Gflkm3tKH03Ihhhpc ziQyCOi9EdlNjhYIRR5LM1IA5QjIFDvxdWTzQcOPHuEojfpxTuGo9nY4PYIxoi4U1Bcr Ih7lmER5vmUMHcUACLKgDD8TnJ54hUtWlTqanWfy77NsnrH4nXNihtzXDYSxRyjAKgIT DD+vYUk1+YdZXMnAfIBC7ALWPipUQtCSg0qy6p/Kxd9KgplRsh2sVjcAPghtoMOEDXXx jg== From: Ilya Leoshkevich To: =?UTF-8?q?Alex=20Benn=C3=A9e?= , Laurent Vivier , Warner Losh Cc: Kyle Evans , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH v3 09/11] gdbstub: Introduce gdb_handle_detach_user() Date: Fri, 16 Feb 2024 14:05:36 +0100 Message-ID: <20240216130817.369377-10-iii@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240216130817.369377-1-iii@linux.ibm.com> References: <20240216130817.369377-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: NRUIlIiH12b1jYGoyzJ1m2n9DDmkwVhd X-Proofpoint-ORIG-GUID: NRUIlIiH12b1jYGoyzJ1m2n9DDmkwVhd X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-16_11,2024-02-16_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 adultscore=0 spamscore=0 clxscore=1015 impostorscore=0 bulkscore=0 priorityscore=1501 mlxscore=0 mlxlogscore=970 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402160106 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1708089012253100001 Content-Type: text/plain; charset="utf-8" The upcoming follow-fork-mode child support needs to perform certain actions when GDB detaches from the stopped parent or the stopped child. Introduce a user-specific hook for this. Signed-off-by: Ilya Leoshkevich --- gdbstub/gdbstub.c | 6 ++++++ gdbstub/internals.h | 1 + gdbstub/user.c | 5 +++++ 3 files changed, 12 insertions(+) diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c index adcd977cd57..46f5dd47e9e 100644 --- a/gdbstub/gdbstub.c +++ b/gdbstub/gdbstub.c @@ -991,6 +991,12 @@ static void handle_detach(GArray *params, void *user_c= tx) pid =3D get_param(params, 0)->val_ul; } =20 +#ifdef CONFIG_USER_ONLY + if (gdb_handle_detach_user(pid)) { + return; + } +#endif + process =3D gdb_get_process(pid); gdb_process_breakpoint_remove_all(process); process->attached =3D false; diff --git a/gdbstub/internals.h b/gdbstub/internals.h index b4905c7181a..b4724598384 100644 --- a/gdbstub/internals.h +++ b/gdbstub/internals.h @@ -198,6 +198,7 @@ void gdb_handle_query_xfer_exec_file(GArray *params, vo= id *user_ctx); /* user */ void gdb_handle_set_catch_syscalls(GArray *params, void *user_ctx); /* use= r */ void gdb_handle_query_supported_user(const char *gdb_supported); /* user */ bool gdb_handle_set_thread_user(uint32_t pid, uint32_t tid); /* user */ +bool gdb_handle_detach_user(uint32_t pid); /* user */ =20 void gdb_handle_query_attached(GArray *params, void *user_ctx); /* both */ =20 diff --git a/gdbstub/user.c b/gdbstub/user.c index 60f3e83849e..32518f275f5 100644 --- a/gdbstub/user.c +++ b/gdbstub/user.c @@ -391,6 +391,11 @@ bool gdb_handle_set_thread_user(uint32_t pid, uint32_t= tid) return false; } =20 +bool gdb_handle_detach_user(uint32_t pid) +{ + return false; +} + /* * Execution state helpers */ --=20 2.43.0