From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id gHz/NdB2qV/WbwAAWB0awg (envelope-from ) for ; Mon, 09 Nov 2020 12:05:20 -0500 Received: by simark.ca (Postfix, from userid 112) id 79D691F08B; Mon, 9 Nov 2020 12:05:19 -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 242461F08D for ; Mon, 9 Nov 2020 12:05:19 -0500 (EST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 570B93944830; Mon, 9 Nov 2020 17:05:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 570B93944830 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1604941518; bh=sBFmIFdc0oWGbJMJcMsvSuuNyAWesIMv1VeUCUyRnjQ=; 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=Xgm3WsLS7x9Xa68+N1XK3KO7XjbDO5lJBonzZ3zN2dLwvWxmHvY7rsCUXmgfq63bx 2zm2kCntRpMkrpMX66LeiVrgaK298dWCwI/oOZLDKyyFILSyR7Zfh+cAvC5s8RZv0h H+gDz/yUA4/9UVCXud+R0Q2bZhfPQxeXfcfDdZYg= Received: from mail-qt1-x82b.google.com (mail-qt1-x82b.google.com [IPv6:2607:f8b0:4864:20::82b]) by sourceware.org (Postfix) with ESMTPS id 46DA73896C37 for ; Mon, 9 Nov 2020 17:05:16 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 46DA73896C37 Received: by mail-qt1-x82b.google.com with SMTP id 3so6478313qtx.3 for ; Mon, 09 Nov 2020 09:05:16 -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; bh=sBFmIFdc0oWGbJMJcMsvSuuNyAWesIMv1VeUCUyRnjQ=; b=GAu+irfCeoNTwhqzyRSJsO2v7KQjwwhyo1k5VEKWyUEEhh7LYJbqyKjDkiMDqn3zIe omEwv1lAN40PPN0GHabL4A1KP5+5AmLxZ3SAho82QzCRAS2MOVoku0NuGptizW2mfNci BnZ4dc6eWym1KJrQtrLKdBhBsCAvJg3zrp2r13tlWsp6wmK2Tou8prBd3cl75Q8qXGut vMUjYlu0HMpLHdTYLSylih3ZPtlvFfCFAl9k+k56pNCs8/LA90EfT3yHnIhZKz0Do/HP XO6VV9Spdvi/scxdZj9m4zc38p78qPemm6qdaKEKFf7uuUB4LWEvEqGI1Gt/M5H3YELo RIFg== X-Gm-Message-State: AOAM532hwBSq9DBVzWpklORW2CaCqwP4di76XqKIrKw9DDXEYw31T8x8 nvjvoagqctZ4+HI6NYQHJINBVkVc4RxBRQ== X-Google-Smtp-Source: ABdhPJy9Ecb2bayDgx1Tp51UE+1fwFQfpVBnoiFA3efNa1v2EPuyrStLYks78YBo//0SGcrgxCKlFg== X-Received: by 2002:a05:622a:15:: with SMTP id x21mr2271198qtw.323.1604941515445; Mon, 09 Nov 2020 09:05:15 -0800 (PST) Received: from localhost.localdomain ([2804:7f0:8284:1487:5c3b:b268:ad95:5f37]) by smtp.gmail.com with ESMTPSA id s2sm5948358qtw.44.2020.11.09.09.05.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2020 09:05:15 -0800 (PST) To: gdb-patches@sourceware.org Subject: [PATCH v3 15/24] AArch64: Add unit testing for logical tag set/get operations Date: Mon, 9 Nov 2020 14:04:26 -0300 Message-Id: <20201109170435.15766-16-luis.machado@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201109170435.15766-1-luis.machado@linaro.org> References: <20201109170435.15766-1-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 00c4f45035..39b1790263 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