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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Apr 2024 10:13:43.7548 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 28632172-5c3f-4fa3-1379-08dc6510632d X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: DU2PEPF0001E9C5.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1PR08MB7361 X-Spam-Status: No, score=-4.9 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,TXREP,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 4/25/24 11:01, Eli Zaretskii via Gdb wrote: > Hi, > > It is well known that ASLR can get in the way of debugging some > problems because the addresses of data change between runs, and so > what you have learned from one debugging session cannot always be > safely used in another session, when ASLR is in effect. > > I'm told that GDB disables ASLR, at least on GNU/Linux, for that > reason. If that is true, could someone please point me to the code > which achieves that? Also, is this done on other systems as well, and > specifically on MS-Windows when debugging native Windows programs? > > TIA On Linux, it does so through the personality function in gdb/nat/linux-personality.c. I heard there were issues with disabling ASLR for Windows, but we seem to try to do it in gdb/nat/windows-nat.c:create_process_wrapper. Maybe the call to UpdateProcThreadAttribute attempts to do it?