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authorLuis Machado <luis.machado@linaro.org>2020-06-19 17:31:23 -0300
committerLuis Machado <luis.machado@linaro.org>2021-03-24 14:47:05 -0300
commitdbe692af2d1814100748b18a5dd70214e8611107 (patch)
treec5f5e256ce4084fb482161faede8e647960742ba /configure
parent9a182d0461cc34912da51f445a242b392389edd6 (diff)
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New target methods for memory tagging support
This patch starts adding some of the generic pieces to accomodate memory tagging. We have three new target methods: - supports_memory_tagging: Checks if the target supports memory tagging. This defaults to false for targets that don't support memory tagging. - fetch_memtags: Fetches the allocation tags associated with a particular memory range [address, address + length). The default is to return 0 without returning any tags. This should only be called if memory tagging is supported. - store_memtags: Stores a set of allocation tags for a particular memory range [address, address + length). The default is to return 0. This should only be called if memory tagging is supported. gdb/ChangeLog: 2021-03-24 Luis Machado <luis.machado@linaro.org> * remote.c (remote_target) <supports_memory_tagging>: New method override. <fetch_memtags>: New method override. <store_memtags>: New method override. (remote_target::supports_memory_tagging): New method. (remote_target::fetch_memtags): New method. (remote_target::store_memtags): New method. * target-delegates.c: Regenerate. * target.h (struct target_ops) <supports_memory_tagging>: New virtual method. <fetch_memtags>: New virtual method. <store_memtags>: New virtual method. (target_supports_memory_tagging): Define. (target_fetch_memtags): Define. (target_store_memtags): Define. * target-debug.h (target_debug_print_size_t) (target_debug_print_const_gdb_byte_vector_r) (target_debug_print_gdb_byte_vector_r): New functions.
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