From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qv1-xf42.google.com (mail-qv1-xf42.google.com [IPv6:2607:f8b0:4864:20::f42]) by sourceware.org (Postfix) with ESMTPS id DC422382E04F for ; Wed, 15 Jul 2020 19:48:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org DC422382E04F Received: by mail-qv1-xf42.google.com with SMTP id p7so1480779qvl.4 for ; Wed, 15 Jul 2020 12:48:55 -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=0cjo3FIuDLVbCvLTQWRL4PpLFutUgQOf9vMkoUqKAmI=; b=AM2mWMeyTdNOQtCQEm0IVZtFZ7mv/dQLMNHSTt0g/+lQznpfwmpl6cE8JdpvkEdH9K f7J8KT7GvQBmP8AHGbxejcnqZo3WmWfZtAi1KsUOi8wf1Qx1p0WgV7z5M/jQDbwNM3j+ eqUwqpGbZxBhnW03hlaPhbO+tTul/02uAgwRjDfYXW3cvr8IRunAvfIHj3wdY1lCkBLa qDoIbV5vpzVCLvdljoMxXTJPANJUUYuisodVUh+5Z21Yn2aQO0Vf0JitEMBegTZ563wr UacoNkuyrkQA8yXf51ACRxkAMdSA9MehfZz/123DwQq/wSL37KXuEL+/MVjajxyzzugY 4FNw== X-Gm-Message-State: AOAM530X2YrAwl0qJ1NDqIGIQ6SessFw7lqVW+OZ7BLuRyJSRW2Rd8WN HcZ48VPQuOgbW5Q/jYvImWe8W6RvfwhTOQ== X-Google-Smtp-Source: ABdhPJzJ/ts/xkovXxl7qt3lh0eG+ijoSRR6sReGILXK2ncsP8E0uXFyBpNT2NDmOUT94+AgMnbKFQ== X-Received: by 2002:a0c:b791:: with SMTP id l17mr1017535qve.44.1594842535205; Wed, 15 Jul 2020 12:48:55 -0700 (PDT) Received: from localhost.localdomain ([2804:7f0:8283:82c3:9daa:7611:ebe6:931]) by smtp.gmail.com with ESMTPSA id z18sm4340537qta.51.2020.07.15.12.48.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Jul 2020 12:48:54 -0700 (PDT) From: Luis Machado To: gdb-patches@sourceware.org, Alan.Hayward@arm.com Cc: omair.javaid@linaro.org, catalin.marinas@arm.com, david.spickett@linaro.org, jose.marchesi@oracle.com Subject: [PATCH 15/23] AArch64: Add unit testing for logical tag set/get operations Date: Wed, 15 Jul 2020 16:45:05 -0300 Message-Id: <20200715194513.16641-16-luis.machado@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200715194513.16641-1-luis.machado@linaro.org> References: <20200715194513.16641-1-luis.machado@linaro.org> X-Spam-Status: No, score=-10.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.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: , X-List-Received-Date: Wed, 15 Jul 2020 19:48:56 -0000 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 abcd325951..5cb66fbb14 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