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Fri, 1 Sep 2023 19:57:22 +0000 To: Philippe Waroquiers , Tom de Vries , "gdb@sourceware.org" Subject: Re: Adding a condition on a hardware watchpoint based on watchpoint state Thread-Topic: Adding a condition on a hardware watchpoint based on watchpoint state Thread-Index: AQHZ2aRvTpG9sEtC60OlUsM8kI+3kLABEp6AgAAZK4OABS37AIAAD/jQ Date: Fri, 1 Sep 2023 19:57:22 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-tmn: [1kbxGQY41lbAx8ReXEk/ViL4ULdXfJFUDm8pnYvv4KafeYbVGK1rUXdijL80/sjE] x-ms-publictraffictype: Email x-ms-traffictypediagnostic: PH0PR06MB8652:EE_|SA3PR06MB9321:EE_ x-ms-office365-filtering-correlation-id: fb03a654-ff56-4b4a-029d-08dbab25a851 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?iso-8859-1?Q?ICu1zX4XmZfpGU0Ql6V72u38gxU1axq5mEt1FTqnuRyVdp5VCFdcb4iVn/?= =?iso-8859-1?Q?hxRrjkgKPWCaaYrNIvqBPXfSeg9Ck4Vg35MNUvdhh0nuTLtqTW+QYz/L9S?= =?iso-8859-1?Q?1KmeMdGfdDQrLTfR5fxOJs2wnwIRcboraJvyaUU6nY0LFRoMow+CfVAEeu?= =?iso-8859-1?Q?8l/ZgLvgLcGtmD8bYA7YneK4tZEbC7n1J2BvlMqRnpbGcw/pNx3jmOexIE?= =?iso-8859-1?Q?WRVklDA9fx5cQtO5VGHUXXxwbmp+uPdMtp0foHKNZNn1SZay9ugJahw/vk?= =?iso-8859-1?Q?wRfUb/H43n7vkeE5b8d5lLt6dcBpxhNN6FwA0UIbrjbgrq3Bh59ZRDqzmv?= =?iso-8859-1?Q?Cm60UD7avzGsP9Spav7a0kJbXpxcd1KhS8vqnaDUYZlpRTcsUpZnUy2yDO?= =?iso-8859-1?Q?klswzPAng3j1ejFJXzs/D8Wqc1AtvCpRlGS/y3+jz0ylr8mfvIbfwxmIQ1?= =?iso-8859-1?Q?jSg1Lrg8hMbuAIQwEij8ULak2fIQqU193AfGVyj4ReLgE1JSvv/h1B2WjB?= =?iso-8859-1?Q?tMc+KwT6ERfDD0rN7VwFXxF4wXOSAmrsEveOktB91sOsLgOppSm9t3dJiw?= =?iso-8859-1?Q?4pXWlWkpkXJpaXug6Wfy6ir03QtVAr9nudgKYJISDi04x4CpfMSpOfsOCl?= =?iso-8859-1?Q?UDmJ73tnt7R0jz2KTMskJ0GLjl3trRsYsI4k4QKnyt2WCkFdA40AehiU4v?= =?iso-8859-1?Q?6mud2igMr0iAPRGMiNs6mLL2XJJPZSRQ9vTWNKDDCNbZ0J3koJswcWmtgG?= =?iso-8859-1?Q?QSfeaujOZBZPvVGt+mVX4oq0W/9xoG162s5OvEm4B4qvFVQDbz8vZ8Obkm?= =?iso-8859-1?Q?Dn2wnMKk0We225ALiclKolAK5ilyKuPLHhwrAY5IW+QzGqO1UgLxlt8YWz?= =?iso-8859-1?Q?Z8Li++aUYxEb4HWDeZg8tSqp0uR6sngXYrXEOb2R8Ba99QqUYesx//PQTR?= =?iso-8859-1?Q?6uuBlE4UaVToBjgl5nN5yhwn3aud+VuH2jmvdvnNxH3T9WGcyvB/HIpQrb?= =?iso-8859-1?Q?6Sr74y2JBysSaJ58ZXFjDRv08DLsWt32ymrAzS1ZagBCn63+x4I6Jo8mpi?= =?iso-8859-1?Q?zBrpUYQWmCholOaW7FVYZXw6yGN86F2wVHSNQ1AcPvG/ERW88H/lbMYCjO?= =?iso-8859-1?Q?yZVTxWQ/WF0EylZ6jG2LiD/fcD231ql/PNDraEbWzIEMnS9M+6F9ZL7UgB?= =?iso-8859-1?Q?lsHXQ7NgwC5MJzGFeGpx1nmnHa1sU+hbopHlRAmP42QIDdi3YoRbjy6nDG?= =?iso-8859-1?Q?T46rz+C5M2Q+wzvoJcsvqgjcsanRaiKFZThk3eBXDKOq0LsZMuJrhd4t4w?= =?iso-8859-1?Q?yu4W?= MIME-Version: 1.0 X-OriginatorOrg: sct-15-20-4755-11-msonline-outlook-89723.templateTenant X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PH0PR06MB8652.namprd06.prod.outlook.com X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-CrossTenant-Network-Message-Id: fb03a654-ff56-4b4a-029d-08dbab25a851 X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Sep 2023 19:57:22.9096 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR06MB9321 X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, HTML_MESSAGE, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.30 X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Roger Phillips via Gdb Reply-To: Roger Phillips Errors-To: gdb-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb" Thanks will try! ________________________________ From: Philippe Waroquiers Sent: Friday, September 1, 2023 7:00 PM To: Roger Phillips ; Tom de Vries ; = gdb@sourceware.org Subject: Re: Adding a condition on a hardware watchpoint based on watchpoin= t state In the meantime, you should be able to do what you want with command attach= ed to the watch point such as the below that watches the value of a variable i. watch -location i set var $prev =3D i command $bpnum if $prev < i printf "increase prev %d %d \n", $prev, i set var $prev =3D i else printf "decrease prev %d %d \n", $prev, i set var $prev =3D i continue end end On Tue, 2023-08-29 at 11:55 +0000, Roger Phillips via Gdb wrote: > Very well, thank you. Can you imagine if and when this goes into a releas= e? > > Regards > > ________________________________ > From: Tom de Vries > Sent: Tuesday, August 29, 2023 10:24 AM > To: Roger Phillips ; gdb@sourceware.org > Subject: Re: Adding a condition on a hardware watchpoint based on watchpo= int state > > On 8/28/23 13:41, Roger Phillips via Gdb wrote: > > Greetings, > > > > I want to install a condition on a hardware watchpoint so that only acc= esses are stopped that increase the value of the variable 1 -> 2 etc. > > > > Is this possible? > > > > There's an enhancement PR open about this ( > https://sourceware.org/bugzilla/show_bug.cgi?id=3D29480 ). > > Thanks, > - Tom >