From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id QOlIH1Cf7F8ACwAAWB0awg (envelope-from ) for ; Wed, 30 Dec 2020 10:40:00 -0500 Received: by simark.ca (Postfix, from userid 112) id 7BA6A1F075; Wed, 30 Dec 2020 10:40:00 -0500 (EST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (server2.sourceware.org [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 C054E1F0BA for ; Wed, 30 Dec 2020 10:39:58 -0500 (EST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id DD0DC388E80F; Wed, 30 Dec 2020 15:39:57 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DD0DC388E80F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1609342797; bh=P3h2brmc5aNqsNpWmR75Ql1LKl7yOAXD+D3gPFzd2G4=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=HStwOc/vFXCe7yBWFao2YeTtXq8OnVy5iBCcCO0qwONVHg/IxhfPnAvmzsiZkmun8 9dlYmq4oFR17H+n/7xmAne9a36P5rjlboEFJzp356HH4RKPVToSmiKtLOMzGe840M+ FnsDJNjjGidOeamdIPqTZc2fGh3C5T67xHqEKMNw= Received: from mail-qv1-xf2b.google.com (mail-qv1-xf2b.google.com [IPv6:2607:f8b0:4864:20::f2b]) by sourceware.org (Postfix) with ESMTPS id 1122338618C9 for ; Wed, 30 Dec 2020 15:39:56 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 1122338618C9 Received: by mail-qv1-xf2b.google.com with SMTP id l14so7839148qvh.2 for ; Wed, 30 Dec 2020 07:39:56 -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:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=P3h2brmc5aNqsNpWmR75Ql1LKl7yOAXD+D3gPFzd2G4=; b=EyRBf0wbwzFrPyWB7CjF93o5PYoQ14Cls7+TEB4fTK8k08X4POmddW71uZajivT9G4 0HuhUZtMCLK5k0Xr/BH8NTjCth7njiezNV1XuC3YN+/uGZjc1Rnc4f/U3Zu6e4cSF4DH iejgFuFqI4hEPGu3ZJCHFaJf0xNHPgNuxOnlFJnioe032jY4BI+bNJswXTYYUi3OPuGK rC5PTLr7nE/gzT+3ued7xk/eBbLv2XJu+/9uKvaypPUqCA7iM2/HC5LiQTHEQjugonpo FZjbP5YKrOSsWwmPrUYGPsPr/DeailtMUwAxwuyDqMS7yaOh1WLdG6ubiPxMsieQWIQN aHrA== X-Gm-Message-State: AOAM532hUoJJc0wF30ItGR0CXtr2vVJCoAFDRCa3T+3Qk1ush7v7Itve o0ECaS936BXUc2hKGdPhx3ioX5QFhOmYHQ== X-Google-Smtp-Source: ABdhPJy9Bl5mEPGAalTfviS/fXnBC1OJfNckJeeVXgObt7JwgUJ2WYBkvFqE85QIh5eC4fdiEp4GbA== X-Received: by 2002:a05:6214:370:: with SMTP id t16mr57236111qvu.22.1609342795490; Wed, 30 Dec 2020 07:39:55 -0800 (PST) Received: from localhost.localdomain ([2804:7f0:8284:370e:c9ba:c4ec:737b:57da]) by smtp.gmail.com with ESMTPSA id f6sm28589336qkh.2.2020.12.30.07.39.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Dec 2020 07:39:55 -0800 (PST) To: gdb-patches@sourceware.org Subject: [PATCH v4 16/25] AArch64: Add unit testing for logical tag set/get operations Date: Wed, 30 Dec 2020 12:39:07 -0300 Message-Id: <20201230153916.1586725-17-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" Update on v4: - Adjust function names. -- Add some unit testing to exercise setting/getting logical tags in the AArch64 implementation. gdb/ChangeLog: YYYY-MM-DD Luis Machado * aarch64-linux-tdep.c: Include gdbsupport/selftest.h. (aarch64_linux_ltag_tests): New function. (_initialize_aarch64_linux_tdep): Register aarch64_linux_ltag_tests. --- gdb/aarch64-linux-tdep.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c index ee9870bfee..af43cf666a 100644 --- a/gdb/aarch64-linux-tdep.c +++ b/gdb/aarch64-linux-tdep.c @@ -50,6 +50,8 @@ #include "arch-utils.h" #include "value.h" +#include "gdbsupport/selftest.h" + /* Signal frame handling. +------------+ ^ @@ -1957,10 +1959,39 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) set_gdbarch_gcc_target_options (gdbarch, aarch64_linux_gcc_target_options); } +#if GDB_SELF_TEST + +namespace selftests { + +/* Verify functions to read and write logical tags. */ + +static void +aarch64_linux_ltag_tests (void) +{ + /* We have 4 bits of tags, but we test writing all the bits of the top + byte of address. */ + for (int i = 0; i < 1 << 8; i++) + { + CORE_ADDR addr = ((CORE_ADDR) i << 56) | 0xdeadbeef; + SELF_CHECK (aarch64_mte_get_ltag (addr) == (i & 0xf)); + + addr = aarch64_mte_set_ltag (0xdeadbeef, i); + SELF_CHECK (addr = ((CORE_ADDR) (i & 0xf) << 56) | 0xdeadbeef); + } +} + +} // namespace selftests +#endif /* GDB_SELF_TEST */ + void _initialize_aarch64_linux_tdep (); void _initialize_aarch64_linux_tdep () { gdbarch_register_osabi (bfd_arch_aarch64, 0, GDB_OSABI_LINUX, aarch64_linux_init_abi); + +#if GDB_SELF_TEST + selftests::register_test ("aarch64-linux-tagged-address", + selftests::aarch64_linux_ltag_tests); +#endif } -- 2.25.1