From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id CH20ByzlkV9pSAAAWB0awg (envelope-from ) for ; Thu, 22 Oct 2020 16:01:48 -0400 Received: by simark.ca (Postfix, from userid 112) id 1AE911E89B; Thu, 22 Oct 2020 16:01:48 -0400 (EDT) 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 1B42C1E552 for ; Thu, 22 Oct 2020 16:01:47 -0400 (EDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 860593987528; Thu, 22 Oct 2020 20:01:46 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 860593987528 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1603396906; bh=w/8gKcCBkUI/wgSHgAW0wiOgsi1kqAycDR9+C45Bk58=; 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=dII5I+icknkOF46+alIAtPuzHJtcoGHFRgoIBCq7VVkf3EtSvyxLYfmFdPL6jlkgI O7gIAo+YdSVOdT8S+sKnKL3OWnlXitom+Bz4RJbccjP3ZmhLbg5Oy6lAtOkG979qtE ScniYru4tx0/7RRN1ZEyNNMHYK2L+Z4HIewUf9tM= Received: from mail-qk1-x735.google.com (mail-qk1-x735.google.com [IPv6:2607:f8b0:4864:20::735]) by sourceware.org (Postfix) with ESMTPS id 449AC39874E9 for ; Thu, 22 Oct 2020 20:01:44 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 449AC39874E9 Received: by mail-qk1-x735.google.com with SMTP id r7so3102728qkf.3 for ; Thu, 22 Oct 2020 13:01:44 -0700 (PDT) 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; bh=w/8gKcCBkUI/wgSHgAW0wiOgsi1kqAycDR9+C45Bk58=; b=DGU7E78sA37ImG4n7Sgmv9ktBlQXncZV0xKKpnLEMxSAAniTNri7RlFNcBfeda6amr /aFuD+q9XEhBuU9+igp6w9euI1OJJx62mKjDVa+NDjSqTnEiYMXiI8J+P55++lF0xe6E xX4DHRDI//klFsbbqQ7IsRzllHDpdxHa8TmwzI2EE53L6/gvTPHafI2yPOyOOi7PqR7y VFcKeD1IPa9wmEH+b07PH7VegDkLP4nE5pI8kfCreNUg/9l4RlH0t7UrTUsPBg9qLRrr QhwIrTojT2lC5AwfvLnfwUB3ZRQUvwLo36W1GXuEGJQmjyb3+fiMAu5mzrqJBBfMdPw1 0nyQ== X-Gm-Message-State: AOAM533D9Zl//toeUbyRSj98wccDjhot89ztVX+xWYEUhTQ8SCGfCq4/ wQ5wmR+vJGKE1bI9sq80Yfcyn2QMDs6WjA== X-Google-Smtp-Source: ABdhPJy5/s4d4J52tgGSKTGReP0okq24ZRbVirsQgaFI06pvgsq028Unu0nF0kdE83HoCmmg3L7njg== X-Received: by 2002:a37:6246:: with SMTP id w67mr3962357qkb.35.1603396901542; Thu, 22 Oct 2020 13:01:41 -0700 (PDT) Received: from localhost.localdomain ([2804:7f0:8284:1487:b9b1:f72a:8f1:600]) by smtp.gmail.com with ESMTPSA id a21sm1711208qkk.98.2020.10.22.13.01.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Oct 2020 13:01:41 -0700 (PDT) To: gdb-patches@sourceware.org Subject: [PATCH v2 15/24] AArch64: Add unit testing for logical tag set/get operations Date: Thu, 22 Oct 2020 17:00:05 -0300 Message-Id: <20201022200014.5189-16-luis.machado@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201022200014.5189-1-luis.machado@linaro.org> References: <20201022200014.5189-1-luis.machado@linaro.org> 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" 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 66835e8e7a..7ae41fc098 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. +------------+ ^ @@ -1882,10 +1884,39 @@ 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_linux_get_ltag (addr) == (i & 0xf)); + + addr = aarch64_linux_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 } -- 2.17.1