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This talk explores how AArch64's Scalable Vector Extension (SVE) and Scalable Matrix Extension (SME) can be supported in GDB's remote target debugging. Learn about the challenges of handling registers with variable sizes that can change during application runtime. Discover the implementation approach for extending the remote target to accommodate these dynamic register sizes, including necessary modifications to GDB's internals and XML target descriptions. Compare this solution with the current method used for local debugging, and understand why the new approach may offer a cleaner implementation for handling variable-length registers in remote debugging scenarios.
