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bh=rVVxiGTu09+ZV2tKI232IMmdYdHqsSL2vRlu9L6wPwQ=; b=na88H3wq4Y2bco/XJ6mR7xZ9yD60ohHNDSeb9mogzq7fRu6pnQo4IEQVXzSTQmX/96 eJT+UkNvs4+pln4W22gd5dh7wiYrbz5LQl8Lxw8O17b1C9q3AGqXhHeOmu6m18X5BcHe iqmr4UDqnJJkw3C97S62d20RF9OJUJ7BOFvoOYM3A0BXd5xL04GeMOkWARIhCNdDOCmW HjJJOo/GK30ul22MJNwyNMcbzzw/E4akQVU/Yl6y0Qm40Ag7zJIFT5PgypOW4ODASyJG cRIpcBm4kozfUH69YVkSZlvpF4V6jq2Qp9zUaVNd7qBYOqpRWo8rq6qIQ0OSs310t3UA YlXw== X-Gm-Message-State: AOAM53065JqdBxEtmMoFuJ0wHMufD8QQEorg4qebS0xU0XYWWRwVWaUK ADHooX0HD8Z2u1PNShtayfM4xmhn9rrS1Q== X-Google-Smtp-Source: ABdhPJwHGYqJsZDdKHpk/4/iLG3TCnvEbAaXCCD3CBgB3c3dVBIvrpR8ZAs7y5Gk/XqZa3qEzYgDTA== X-Received: by 2002:ac8:45cc:: with SMTP id e12mr53575960qto.59.1609342802073; Wed, 30 Dec 2020 07:40:02 -0800 (PST) Received: from localhost.localdomain ([2804:7f0:8284:370e:c9ba:c4ec:737b:57da]) by smtp.gmail.com with ESMTPSA id f6sm28589336qkh.2.2020.12.30.07.40.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Dec 2020 07:40:01 -0800 (PST) To: gdb-patches@sourceware.org Subject: [PATCH v4 19/25] AArch64: Add MTE register set support for core files Date: Wed, 30 Dec 2020 12:39:10 -0300 Message-Id: <20201230153916.1586725-20-luis.machado@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201230153916.1586725-1-luis.machado@linaro.org> References: <20201230153916.1586725-1-luis.machado@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Luis Machado via Gdb-patches Reply-To: Luis Machado Cc: david.spickett@linaro.org Errors-To: gdb-patches-bounces@sourceware.org Sender: "Gdb-patches" This patch handles the tagged_addr_ctrl register that is exported when generating a core file. gdb/ChangeLog: YYYY-MM-DD Luis Machado * aarch64-linux-tdep.c (aarch64_linux_iterate_over_regset_sections): Handle MTE register set. * aarch64-linux-tdep.h (AARCH64_LINUX_SIZEOF_MTE_REGSET): Define. --- gdb/aarch64-linux-tdep.c | 20 ++++++++++++++++++++ gdb/aarch64-linux-tdep.h | 3 +++ 2 files changed, 23 insertions(+) diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c index 1bdd127e0d..62184d46e7 100644 --- a/gdb/aarch64-linux-tdep.c +++ b/gdb/aarch64-linux-tdep.c @@ -727,6 +727,26 @@ aarch64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch, AARCH64_LINUX_SIZEOF_PAUTH, &aarch64_linux_pauth_regset, "pauth registers", cb_data); } + + /* Handle MTE registers. */ + if (tdep->has_mte ()) + { + /* Create this on the fly in order to handle the variable location. */ + const struct regcache_map_entry mte_regmap[] = + { + { 1, tdep->mte_reg_base, 4}, + { 0 } + }; + + const struct regset aarch64_linux_mte_regset = + { + mte_regmap, regcache_supply_regset, regcache_collect_regset + }; + + cb (".reg-aarch-mte", AARCH64_LINUX_SIZEOF_MTE_REGSET, + AARCH64_LINUX_SIZEOF_MTE_REGSET, &aarch64_linux_mte_regset, + "MTE registers", cb_data); + } } /* Implement the "core_read_description" gdbarch method. */ diff --git a/gdb/aarch64-linux-tdep.h b/gdb/aarch64-linux-tdep.h index a7094bb7c0..2495379d5b 100644 --- a/gdb/aarch64-linux-tdep.h +++ b/gdb/aarch64-linux-tdep.h @@ -36,6 +36,9 @@ /* The pauth regset consists of 2 X sized registers. */ #define AARCH64_LINUX_SIZEOF_PAUTH (2 * X_REGISTER_SIZE) +/* The MTE regset consists of a 32-bit register. */ +#define AARCH64_LINUX_SIZEOF_MTE_REGSET (4) + extern const struct regset aarch64_linux_gregset; extern const struct regset aarch64_linux_fpregset; -- 2.25.1