From patchwork Sat Nov 26 02:04:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thiago Jung Bauermann X-Patchwork-Id: 61116 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id BBDB43829993 for ; Sat, 26 Nov 2022 02:06:08 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BBDB43829993 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1669428368; bh=OLrilDjylr6Kh5rFPGEQzlwCupbN5neUtyyV4LHrl78=; h=To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=a83Wf18ZQcU4r2FwgAJz+E8EMXd9HqlYML+HpVUbOt+SQxgzsO6orPo2KoUhHJsXt jkRYtF6TMDwYSb6uPxB2p0+PNDUIxGYc94Bx8MifjZ+yPRf+a3yMpLI5tAB3vnHxnS plI80jB7QGA7ahd0E/KkGK3ZPMpxmq7krgzW4GRA= X-Original-To: gdb-patches@sourceware.org Delivered-To: gdb-patches@sourceware.org Received: from mail-oi1-x229.google.com (mail-oi1-x229.google.com [IPv6:2607:f8b0:4864:20::229]) by sourceware.org (Postfix) with ESMTPS id 2C6B2382EF3A for ; Sat, 26 Nov 2022 02:05:22 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 2C6B2382EF3A Received: by mail-oi1-x229.google.com with SMTP id c129so6144092oia.0 for ; Fri, 25 Nov 2022 18:05:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=OLrilDjylr6Kh5rFPGEQzlwCupbN5neUtyyV4LHrl78=; b=2Kn2X7hUloP/ahUZ19PO9VnRzyn/vVD3pe+yuZwj8fU16hpWvJ5/ErmHY5p3DFpHi9 zT18xdjuJvdRkYgZYUBFGkSrBNtRzHe6bbD9C1t1MbdP3P/6mt9TmcFAi4QsDyHKaxBf NOB12eacfSM8gJ08v9zzbLkmnTIyUoLSXl87KzRm9jirSj64zOYiTf/Fp/uKpSjYShzK Y3tb346iz5ik0krk0LJ4AIpgWzevMvEsosctQje8+e44t2KmhBdNKfeyp4ctRKnP17wP HzGt1oLTE+rkg4INiPLj5wbajK2HzWf0qpvU4vra3BYfrQmPwzabseWSYUQmdNF4sUgR a9lw== X-Gm-Message-State: ANoB5pnxN5BTa0K2AkhQgiRkr0t9rOgYIX3Jrpy0dyqM53hQmzw3YkED ZCNDSa8zlIf+wwYcyJbhzuEebMg7RXZ2DQ== X-Google-Smtp-Source: AA0mqf4LqViGIO1CzNYko49fQNwtT0NY7qX8fOKI+gFdpMcJ+Vq4PnZ09/OSnHQiMOj2qypGd/hbOA== X-Received: by 2002:aca:ac43:0:b0:359:fcae:7c3f with SMTP id v64-20020acaac43000000b00359fcae7c3fmr10446344oie.68.1669428321477; Fri, 25 Nov 2022 18:05:21 -0800 (PST) Received: from localhost ([2804:14d:7e39:8470:41ee:c7fc:c991:eee6]) by smtp.gmail.com with ESMTPSA id cb13-20020a056830618d00b00655ca9a109bsm2301435otb.36.2022.11.25.18.05.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Nov 2022 18:05:21 -0800 (PST) To: gdb-patches@sourceware.org Cc: Luis Machado , Thiago Jung Bauermann Subject: [PATCH v2 3/6] gdbserver/linux-aarch64: Factor out function to get aarch64_features Date: Sat, 26 Nov 2022 02:04:49 +0000 Message-Id: <20221126020452.1686509-4-thiago.bauermann@linaro.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221126020452.1686509-1-thiago.bauermann@linaro.org> References: <20221126020452.1686509-1-thiago.bauermann@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-11.1 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=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) 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-Patchwork-Original-From: Thiago Jung Bauermann via Gdb-patches From: Thiago Jung Bauermann Reply-To: Thiago Jung Bauermann Errors-To: gdb-patches-bounces+patchwork=sourceware.org@sourceware.org Sender: "Gdb-patches" It will be used in a subsequent commit. There's no functional change. Reviewed-by: Luis Machado --- gdbserver/linux-aarch64-low.cc | 33 +++++++++++++++++++++------------ 1 file changed, 21 insertions(+), 12 deletions(-) diff --git a/gdbserver/linux-aarch64-low.cc b/gdbserver/linux-aarch64-low.cc index a6ed68f93029..cab4fc0a4674 100644 --- a/gdbserver/linux-aarch64-low.cc +++ b/gdbserver/linux-aarch64-low.cc @@ -652,6 +652,25 @@ aarch64_target::low_delete_process (arch_process_info *info) xfree (info); } +/* Matches HWCAP_PACA in kernel header arch/arm64/include/uapi/asm/hwcap.h. */ +#define AARCH64_HWCAP_PACA (1 << 30) + +static struct aarch64_features +aarch64_get_arch_features (const thread_info *thread) +{ + struct aarch64_features features; + int pid = pid_of (thread); + + features.vq = aarch64_sve_get_vq (lwpid_of (thread)); + /* A-profile PAC is 64-bit only. */ + features.pauth = linux_get_hwcap (pid, 8) & AARCH64_HWCAP_PACA; + /* A-profile MTE is 64-bit only. */ + features.mte = linux_get_hwcap2 (pid, 8) & HWCAP2_MTE; + features.tls = true; + + return features; +} + void aarch64_target::low_new_thread (lwp_info *lwp) { @@ -804,9 +823,6 @@ aarch64_adjust_register_sets (const struct aarch64_features &features) } } -/* Matches HWCAP_PACA in kernel header arch/arm64/include/uapi/asm/hwcap.h. */ -#define AARCH64_HWCAP_PACA (1 << 30) - /* Implementation of linux target ops method "low_arch_setup". */ void @@ -822,15 +838,8 @@ aarch64_target::low_arch_setup () if (is_elf64) { - struct aarch64_features features; - int pid = pid_of (current_thread); - - features.vq = aarch64_sve_get_vq (tid); - /* A-profile PAC is 64-bit only. */ - features.pauth = (linux_get_hwcap (pid, 8) & AARCH64_HWCAP_PACA); - /* A-profile MTE is 64-bit only. */ - features.mte = linux_get_hwcap2 (pid, 8) & HWCAP2_MTE; - features.tls = true; + struct aarch64_features features + = aarch64_get_arch_features (current_thread); current_process ()->tdesc = aarch64_linux_read_description (features);