From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id 8JLOF2TLEWBZTwAAWB0awg (envelope-from ) for ; Wed, 27 Jan 2021 15:21:56 -0500 Received: by simark.ca (Postfix, from userid 112) id 519A31EF8A; Wed, 27 Jan 2021 15:21:56 -0500 (EST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on simark.ca X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,RDNS_NONE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.2 Received: from sourceware.org (unknown [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id D90141EF7A for ; Wed, 27 Jan 2021 15:21:54 -0500 (EST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id D4F3D3898509; Wed, 27 Jan 2021 20:21:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D4F3D3898509 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1611778911; bh=Q4utYjZo+dphizFcSkE8JIHrCCo+r01aJGH9ZniNu+Y=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=xiFSp76vPu/9wi4MvVBOJmyZrP1b8KTHiD4kvhLCTMAUMSet5EPCFWFY3JEnGm18s R43sTOxxtRGAWKI5F9kJfUmQYRx/KCX+Mvfu1Hf3+nkzdIrnrjif2Z7g+WTLAeJWB2 GWaKYnXm/L/VHINTrw+xlmujV391nnPEbT3MFAMA= Received: from mail-qt1-x829.google.com (mail-qt1-x829.google.com [IPv6:2607:f8b0:4864:20::829]) by sourceware.org (Postfix) with ESMTPS id DCC26398B86B for ; Wed, 27 Jan 2021 20:21:48 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org DCC26398B86B Received: by mail-qt1-x829.google.com with SMTP id e15so2414240qte.9 for ; Wed, 27 Jan 2021 12:21:48 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Q4utYjZo+dphizFcSkE8JIHrCCo+r01aJGH9ZniNu+Y=; b=tmGuWtuJ8m5JyLc35XUPVAo3OWCHTTuHuyIs2QFN3Nm8AtNJhlkgXJenFE9lU3OATD zBuC6KmYpNL1/TEn+q4RHc8ABAEId0gEE5iqopbZ6pd5A/JhK2SiqqUtd5ndUTU0U/6V eg2Y6KXQTCvCfuLnGQrjFkh5HHEri/qya+zWiQfIj2u30mWq7a05o7h7b9R4bNlZt38S B0t1HnojirQSg6Q+1guH/L9A44aVuxWlm/u4gWek526SEpBXd1jmR1YzGCLIckGBV3Pp gTlTW0FyIDLS9YcrvZEHttC/FPeMYJ5Li2zWPBCCoxCZKoFGYAmOmY+cmjrysVuaj1et xkcA== X-Gm-Message-State: AOAM531xHwrGnRBM4TSKcHWgoL0O+mRiL7zx7ZW4mpF2HfYFkbAknqH6 laqgxb8VAkE5kyYlpRJwc7uwbidtX1nYYg== X-Google-Smtp-Source: ABdhPJzz9mnFMU3TRJnaQRwimW7otwQTeyqLGORpP7EnsNrWcpemVxmyL9qYpXxwuHA7Wpljl9dr0Q== X-Received: by 2002:ac8:5887:: with SMTP id t7mr11505376qta.182.1611778908492; Wed, 27 Jan 2021 12:21:48 -0800 (PST) Received: from localhost.localdomain ([2804:7f0:8284:874d:b82c:87fc:4324:adab]) by smtp.gmail.com with ESMTPSA id b194sm1854531qkc.102.2021.01.27.12.21.47 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Jan 2021 12:21:48 -0800 (PST) To: gdb-patches@sourceware.org Subject: [PATCH v5 19/25] AArch64: Add MTE register set support for core files Date: Wed, 27 Jan 2021 17:21:06 -0300 Message-Id: <20210127202112.2485702-20-luis.machado@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210127202112.2485702-1-luis.machado@linaro.org> References: <20210127202112.2485702-1-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 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 4ccee9c34e..2aa36300f3 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 84c25172a9..62a6da8349 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