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CTRY:GB; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:outbound-uk1.az.dlp.m.darktrace.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(376014)(82310400026)(1800799024)(14060799003)(36860700013)(35042699022); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jul 2025 17:06:07.9818 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c227875b-9db7-40d3-88dc-08ddcdf90b8d X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[4.158.2.129]; Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: DB1PEPF00039233.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR08MB6565 X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org Hi Christina, Sorry, only spotted this now. On 7/23/25 13:45, Schimpe, Christina wrote: > Hi Luis, > > I finally also tested x32 and it looks good, there was only one issue > with the new coredump test due to RDSSPD/RDSSPQ instructions > for reading the shadow stack pointer: > amd64-shadow-stack-corefile.c:26: Error: operand size mismatch for `rdsspq' > > So I have to adapt the instruction for x32 to "rdsspd " to copy low 32 bits only. > > I suggest to fix the testfile as follows: > ~~~ > diff --git a/gdb/testsuite/gdb.arch/amd64-shadow-stack-corefile.c b/gdb/testsuite/gdb.arch/amd64-shadow-stack-corefile.c > index f078e33810d..5e84793ccb1 100644 > --- a/gdb/testsuite/gdb.arch/amd64-shadow-stack-corefile.c > +++ b/gdb/testsuite/gdb.arch/amd64-shadow-stack-corefile.c > @@ -23,7 +23,11 @@ void > function () > { > unsigned long ssp; > - asm volatile("xor %0, %0; rdsspq %0" : "=r" (ssp)); > + #ifndef __ILP32__ > + asm volatile ("xor %0, %0; rdsspq %0" : "=r" (ssp)); > + #else > + asm volatile ("xor %0, %0; rdsspd %0" : "=r" (ssp)); > + #endif > ~~~ > > Would that be fine ore should I repost the patch? > > Other than that I'll retest again with latest upstream master and push this tomorrow. > That's fine by me. I see Andrew had some comments on your series. Are those addressed locally now or are you still working on them?