From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sonic301-22.consmr.mail.ir2.yahoo.com (sonic301-22.consmr.mail.ir2.yahoo.com [77.238.176.99]) by sourceware.org (Postfix) with ESMTPS id 608C3384B0C0 for ; Sun, 26 Apr 2020 16:54:00 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 608C3384B0C0 X-YMail-OSG: YLxCjDIVM1lNBepF6.p7cRcRk.M3xw_PCj9bFih1NrvZxZvMArr.jSjgXXisyVW iVonlXPFherLUF4uaWhNAxlwWuu9Q.QAZq6vpAxR8_x.6Ep4FPAr.X1Hebh2HeUE3dL5sFYkmTe4 Um14OjjpP_ZzFKm2lfdtRd3yv2U4zEWzXrNEI_8bJI2xb3uxmG_0bdYNe3ZbzkpR2j4exzwXNIr8 eS83dDurRgTMsapkjEq27laQGOXQHZgb.eNjG3HLtDPvBtFQM5smq1PaHerrgCXClnJMNGZUr0LJ hg.HouOjL9Po0Zfg0d_S3ad0FIUeHXFscQiNWGVoOP3Eo5rwfBsB00yJt2HV8ilbG2_qgGnrAoln ii16j07Jn6afVbFE9HZZOlIsRuLckBi9QWxyzBfX0zYxt11eZ5Sz5iCTUYyo7pVQ0sMo1q.DSI01 IDvhi4YYzXmone8V_2HxiCLMEK4DpjTukgHLMKFjRWJEUUOYyo_8W8YMS7J1q7OKtY0utHCrWHps JHmDOjz2aLwx9xLfH.rMctDf.RG4yoYhzTrNf5pKogI.hINdyBgBmoFTz2zUC7vuMTwwbh6hNfLa jEvWKAg54LO0anXFwn4TMV_kHg2zU5pTJdKHwzOgAqTGUtWYKF5uDCvq5N7B7txepRz8bxMYyW3F jThP6QKkX4M2wQQpcjGy.iI5ClREELV_W6FDisDutN_hQsjT8xVMFTOJ._m6vDez1TBe6__y9V9C 9l7YMLhyQkWF8Pc78s1ZGmCx3m8SbhCiJURjdf1Gm_cWVc0dOfRM0u_jiqpgzN57uwEtOKqeNlZe XOekRXBu6iLKzxKD3lcCzN_WsbEkdH6rS44AIgSeA2JNuahld6zybOhfLPte.d78T8zZhKrkaNGk HlKl6mIi4ub.6tMqBdz6ntf0i6WpQlaGkP9LGqncqrnXPz1stuX_BUdBTYBUkGDiwNCboWgkpBmr XzL0TeLAzDm3OcTSOBegEPQs7rExG_NaDIj2DnOkc4jit7A2uL_9lW9S1CUIeTUFNe5G1PcUYMg8 qNVRb0Vf1FAGIGUtvmnu2VkrMYzNookT5nALRwcciFUB9Y.T9OGGcsZcm_JrAFWAYNO9vKj7O6zg d7M0LcWcxdgJMFw8hrI1VBtPQ7Gu33quy27JUZGwP6yxikCDQ6U7yCNmQW8K5._nTaNKRjsFlO2e viTEfRGi7v8R.NvRPLe4cEfFOPEoiCp1TJ757QLsZ1L5PPB8dYd5e0uwYCxGpXVcqFMFe9CH.OSr kCVTQGHPNmmSNM3fTB9bZ3n3cLRgUa1VXiF0vdpJQRI4JI7gygzT2QsDxeedkDgY4GulxOfdXPxJ FjWIZLazYsR_Edzo- Received: from sonic.gate.mail.ne1.yahoo.com by sonic301.consmr.mail.ir2.yahoo.com with HTTP; Sun, 26 Apr 2020 16:53:58 +0000 Date: Sun, 26 Apr 2020 16:53:53 +0000 (UTC) From: Hannes Domani To: Gdb-patches Message-ID: <545110470.974890.1587920033486@mail.yahoo.com> In-Reply-To: <83h7x8alys.fsf@gnu.org> References: <20200424155944.17332-1-ssbssa.ref@yahoo.de> <20200424155944.17332-1-ssbssa@yahoo.de> <83h7x8alys.fsf@gnu.org> Subject: Re: [PATCH] Implement debugging of WOW64 processes in gdbserver MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Mailer: WebService/1.1.15756 YMailNorrin Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:71.0) Gecko/20100101 Firefox/71.0 X-Spam-Status: No, score=-3.5 required=5.0 tests=BAYES_00, BODY_8BITS, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 26 Apr 2020 16:54:02 -0000 Am Sonntag, 26. April 2020, 18:32:28 MESZ hat Eli Zaretskii = Folgendes geschrieben: > > Date: Fri, 24 Apr 2020 17:59:44 +0200 > > From: Hannes Domani via Gdb-patches > > > > +#ifdef __x86_64__ > > +=C2=A0 if (wow64_process) > > +=C2=A0=C2=A0=C2=A0 ok =3D (*win32_EnumProcessModulesEx) (current_proce= ss_handle, > > +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 DllHandle, > > +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 sizeof (HMODULE), > > +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &cbNeeded, > > +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 LIST_MODULES_32BIT); > > If win32_EnumProcessModulesEx is a NULL point (i.e. its load from the > DLL failed, because we are on an older Windows version), the above > will segfault, no?=C2=A0 Do we want to support WOW64 debugging on systems > older than Vista? Good question. I've never actually seen/used a 64bit WinXP, so I didn't even consider this case. According to the microsoft docs, Wow64GetThreadContext/Wow64SetThreadContex= t/ Wow64SuspendThread are also available from Vista upwards, so WOW64 debuggin= g is impossible on XP. Should I error() in do_initial_(windows|child)_stuff for WOW64 processes if= any of the functions is missing?