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CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com; PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE; SFS:(13230031)(36860700004)(1800799015)(376005)(35042699013)(82310400017); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jun 2024 10:15:38.3225 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 043f5f69-baf0-4986-c283-08dc86119cd9 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: AM3PEPF0000A791.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI0PR08MB11061 X-Spam-Status: No, score=-1.0 required=5.0 tests=BAYES_00, BODY_8BITS, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FORGED_SPF_HELO, KAM_ASCII_DIVIDERS, KAM_NUMSUBJECT, SPF_HELO_PASS, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE, 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 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: Luis Machado via Gdb Reply-To: Luis Machado Errors-To: gdb-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb" On 6/6/24 10:57, Phil Phil wrote: > Should the stack segment still be there though? I compared a stackpointer= to the memory areas from info proc mappings and I can't find a match.=C2= =A0 You'll likely find it in a core file section instead: maint info sections. For me: [28] 0xfffffffdf000->0x1000000000000 at 0x00191350: load13 ALLOC LOAD = HAS_CONTENTS Does that help? GDB will look things up in the core file instead of memory,= which is probably why the way it displays things is slightly different. It could be improved I suppose. > -------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ----------------- > *From:* Luis Machado > *Sent:* Thursday, June 6, 2024 9:41 AM > *To:* Phil Phil ; gdb@sourceware.org > *Subject:* Re: Stack segments for Aarch64 > =C2=A0 > Hi, >=20 > On 6/6/24 10:33, Phil Phil wrote: >> GDB 12.1 coredump post mortem coredump debugging on an x64 Linux desktop= . =C2=A0I do not see a perms column in info proc mappings. >>=20 >=20 > Ah, so it is corefile debugging. Checking on my end, I don't see the perm= issions column either. Now it escapes me if we have any > special reason for that or if it is just an oversight somewhere. As for t= he stack marker, I suppose we lose that reference > when the corefile is generated. That reference comes from /proc//map= s when we do "info proc mapping". >=20 > -------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ----------------- >> *From:* Luis Machado >> *Sent:* Thursday, June 6, 2024 9:23 AM >> *To:* Phil Phil ; gdb@sourceware.org >> *Subject:* Re: Stack segments for Aarch64 >> =C2=A0 >> Hi, >>=20 >> On 6/6/24 10:17, Phil Phil via Gdb wrote: >>> Greetings, >>>=20 >>> I'm trying get some memory info on an Aarch64 for a coredump. The aarch= 64 gdb produces this output for info proc mappings >>>=20 >>>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Start Addr= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 End Addr=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Size=C2=A0=C2=A0=C2=A0=C2=A0 Offset objfile >>>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0x557ead9000=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 0x5582dee000=C2=A0 0x4315000=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 0x0 /usr/bin/myproc >>>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0x5582dfe000=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 0x5582f0a000=C2=A0=C2=A0 0x10c000=C2=A0 0x43150= 00 /usr/bin/myproc >>>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0x5582f0a000=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 0x5582f24000=C2=A0=C2=A0=C2=A0 0x1a000=C2=A0 0x= 4421000 /usr/bin/myproc >>>=20 >>> I'm missing at least two things here compared to the x64 output: >>>=20 >>>=20 >>>=C2=A0=C2=A0 * >>> No read/write permissions >>>=C2=A0=C2=A0 * >>> Stack segments are not shown. >>>=20 >>> Any ideas on how to make these two things visible on Aarch64? >>>=20 >>> Regards >>=20 >> What aarch64 debugging setup do you have? Versions etc? Remote? >>=20 >> For me, running native gdb on aarch64: >>=20 >> process 1681741 >> Mapped address spaces: >>=20 >> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Start Addr=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 End Addr=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 Size=C2=A0=C2=A0=C2=A0=C2=A0 Offset=C2=A0 Perms=C2= =A0 objfile >> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0xaaaaaaaa0000=C2=A0=C2=A0=C2=A0=C2=A0 0x= aaaaac3c6000=C2=A0 0x1926000=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0x0= =C2=A0 r-xp=C2=A0=C2=A0 /home/ubuntu/work/build/binutils-gdb-master/gdb/gdb >> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0xaaaaac3d5000=C2=A0=C2=A0=C2=A0=C2=A0 0x= aaaaacd2a000=C2=A0=C2=A0 0x955000=C2=A0 0x1925000=C2=A0 r--p=C2=A0=C2=A0 /h= ome/ubuntu/work/build/binutils-gdb-master/gdb/gdb >> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0xaaaaacfc6000=C2=A0=C2=A0=C2=A0=C2=A0 0x= aaaaad069000=C2=A0=C2=A0=C2=A0 0xa3000=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0 0x0=C2=A0 rw-p=C2=A0=C2=A0 [heap] >> ... >> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0xfffffffdf000=C2=A0=C2=A0=C2=A0 0x100000= 0000000=C2=A0=C2=A0=C2=A0 0x21000=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= 0x0=C2=A0 rw-p=C2=A0=C2=A0 [stack] >=20