From patchwork Wed Mar 3 21:46:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 12114369 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 070A9C433DB for ; Wed, 3 Mar 2021 21:53:42 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 82E7064E59 for ; Wed, 3 Mar 2021 21:53:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 82E7064E59 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=amsat.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:44150 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lHZR6-0004Ei-HO for qemu-devel@archiver.kernel.org; Wed, 03 Mar 2021 16:53:40 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:43842) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lHZLE-0003Tz-CI; Wed, 03 Mar 2021 16:47:36 -0500 Received: from mail-wr1-x431.google.com ([2a00:1450:4864:20::431]:39190) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lHZLC-00028m-Dh; Wed, 03 Mar 2021 16:47:36 -0500 Received: by mail-wr1-x431.google.com with SMTP id b18so18887416wrn.6; Wed, 03 Mar 2021 13:47:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=VJm0iGgu/pocJ2Vudv8ibS2Ot9Xd+ih0+p5aBEZz7PY=; b=ifqZqtDqhOgY5uLlul8CZC2+PlZhTINOhh0kNI68/3gI2CUuK5DNuuPAdktT6AkgiI YQnfr0bGkGXpuUexxjKr1Ay1NlTBG9t9pvRbGRZQyAtjY3t2ypgILRMdq2GY+RmC0Kgb 2LWSL97EFxySaGYlQidHhuNiM5ugkNLYhec3P0I1jFmnMcEEnNkXe9mcuEqNfS7oHjwH pkIguz6PFbMM1I2WL3AzWLpu/hDelAW/sq79X2xCVQiSksxu19G/ym9kxXImCvTvrUqX umYOBDzT71Z1sqPMk4jVOuaQSffSssMCmLbJGaTzhlS2PeJ01fU8nqNnbKMAWGFg6e6G lHHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=VJm0iGgu/pocJ2Vudv8ibS2Ot9Xd+ih0+p5aBEZz7PY=; b=sUSxtDj+x/V3CLVOEaqRsPNpvo63TR0q4DK43LSsCY+c/PKPAkK5RmKiGLce8YrKgn rdK60S/tRtK907fpR63LJcSmobPsmP9RqcZ7uVgs53URFv9qA0XqeCLCBzwLuCJsffM2 1UPPmawionfjbwBni1fjJEd+B0vm94H3bPQh0NIofkhtGRAuS9/N7RP2JvKKvNjAbQQ1 fdzLzybvziSuutGqpHmu7OAJzaZeATZwPlscHxYbfOi/P20qLYgL0+CEUb2OQ7Z4tRMZ X6tEog7UE47QGNf0gecBTPmuhw0vKjXiEk5X92IldKtWx3/46L60HGxCfMLx7Opwv1/f VVMg== X-Gm-Message-State: AOAM531W5PB4nBph79z86oC9+LPsuBtgHVZ5HYIrvR7l6MN9IBwK9bfV f9oBs4b2jLMZSb+Qc7hqfXDpmpyFiqc= X-Google-Smtp-Source: ABdhPJx7+hJT7rzIyQPksMqjdWusZ/CddoRC+72dPVEWnznIKRRTNju+ViqG8Y+Kl8UyxTVe8tMLrA== X-Received: by 2002:adf:e411:: with SMTP id g17mr664079wrm.225.1614808051551; Wed, 03 Mar 2021 13:47:31 -0800 (PST) Received: from x1w.redhat.com (68.red-83-57-175.dynamicip.rima-tde.net. [83.57.175.68]) by smtp.gmail.com with ESMTPSA id e1sm6300140wrw.85.2021.03.03.13.47.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Mar 2021 13:47:31 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v4 04/28] cpu: Directly use cpu_write_elf*() fallback handlers in place Date: Wed, 3 Mar 2021 22:46:44 +0100 Message-Id: <20210303214708.1727801-5-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210303214708.1727801-1-f4bug@amsat.org> References: <20210303214708.1727801-1-f4bug@amsat.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::431; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x431.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Thomas Huth , Eduardo Habkost , Cornelia Huck , Richard Henderson , Laurent Vivier , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , qemu-s390x@nongnu.org, qemu-arm@nongnu.org, qemu-ppc@nongnu.org, Claudio Fontana , Paolo Bonzini , =?utf-8?q?Alex_Benn=C3=A9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" No code directly accesses CPUClass::write_elf*() handlers out of hw/core/cpu.c (the rest are assignation in target/ code): $ git grep -F -- '->write_elf' hw/core/cpu.c:157: return (*cc->write_elf32_qemunote)(f, cpu, opaque); hw/core/cpu.c:171: return (*cc->write_elf32_note)(f, cpu, cpuid, opaque); hw/core/cpu.c:186: return (*cc->write_elf64_qemunote)(f, cpu, opaque); hw/core/cpu.c:200: return (*cc->write_elf64_note)(f, cpu, cpuid, opaque); hw/core/cpu.c:440: k->write_elf32_qemunote = cpu_common_write_elf32_qemunote; hw/core/cpu.c:441: k->write_elf32_note = cpu_common_write_elf32_note; hw/core/cpu.c:442: k->write_elf64_qemunote = cpu_common_write_elf64_qemunote; hw/core/cpu.c:443: k->write_elf64_note = cpu_common_write_elf64_note; target/arm/cpu.c:2304: cc->write_elf64_note = arm_cpu_write_elf64_note; target/arm/cpu.c:2305: cc->write_elf32_note = arm_cpu_write_elf32_note; target/i386/cpu.c:7425: cc->write_elf64_note = x86_cpu_write_elf64_note; target/i386/cpu.c:7426: cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote; target/i386/cpu.c:7427: cc->write_elf32_note = x86_cpu_write_elf32_note; target/i386/cpu.c:7428: cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote; target/ppc/translate_init.c.inc:10891: cc->write_elf64_note = ppc64_cpu_write_elf64_note; target/ppc/translate_init.c.inc:10892: cc->write_elf32_note = ppc32_cpu_write_elf32_note; target/s390x/cpu.c:522: cc->write_elf64_note = s390_cpu_write_elf64_note; Check the handler presence in place and remove the common fallback code. Signed-off-by: Philippe Mathieu-Daudé --- hw/core/cpu.c | 43 ++++++++++++------------------------------- 1 file changed, 12 insertions(+), 31 deletions(-) diff --git a/hw/core/cpu.c b/hw/core/cpu.c index daaff56a79e..a9ee2c74ec5 100644 --- a/hw/core/cpu.c +++ b/hw/core/cpu.c @@ -154,60 +154,45 @@ int cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu, { CPUClass *cc = CPU_GET_CLASS(cpu); + if (!cc->write_elf32_qemunote) { + return 0; + } return (*cc->write_elf32_qemunote)(f, cpu, opaque); } -static int cpu_common_write_elf32_qemunote(WriteCoreDumpFunction f, - CPUState *cpu, void *opaque) -{ - return 0; -} - int cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu, int cpuid, void *opaque) { CPUClass *cc = CPU_GET_CLASS(cpu); + if (!cc->write_elf32_note) { + return -1; + } return (*cc->write_elf32_note)(f, cpu, cpuid, opaque); } -static int cpu_common_write_elf32_note(WriteCoreDumpFunction f, - CPUState *cpu, int cpuid, - void *opaque) -{ - return -1; -} - int cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu, void *opaque) { CPUClass *cc = CPU_GET_CLASS(cpu); + if (!cc->write_elf64_qemunote) { + return 0; + } return (*cc->write_elf64_qemunote)(f, cpu, opaque); } -static int cpu_common_write_elf64_qemunote(WriteCoreDumpFunction f, - CPUState *cpu, void *opaque) -{ - return 0; -} - int cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu, int cpuid, void *opaque) { CPUClass *cc = CPU_GET_CLASS(cpu); + if (!cc->write_elf64_note) { + return -1; + } return (*cc->write_elf64_note)(f, cpu, cpuid, opaque); } -static int cpu_common_write_elf64_note(WriteCoreDumpFunction f, - CPUState *cpu, int cpuid, - void *opaque) -{ - return -1; -} - - static int cpu_common_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg) { return 0; @@ -437,10 +422,6 @@ static void cpu_class_init(ObjectClass *klass, void *data) k->has_work = cpu_common_has_work; k->get_paging_enabled = cpu_common_get_paging_enabled; k->get_memory_mapping = cpu_common_get_memory_mapping; - k->write_elf32_qemunote = cpu_common_write_elf32_qemunote; - k->write_elf32_note = cpu_common_write_elf32_note; - k->write_elf64_qemunote = cpu_common_write_elf64_qemunote; - k->write_elf64_note = cpu_common_write_elf64_note; k->gdb_read_register = cpu_common_gdb_read_register; k->gdb_write_register = cpu_common_gdb_write_register; set_bit(DEVICE_CATEGORY_CPU, dc->categories);