From patchwork Fri Oct 16 18:42:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 11842271 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 464CF14B4 for ; Fri, 16 Oct 2020 18:46:29 +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 D181320725 for ; Fri, 16 Oct 2020 18:46:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="AJg/GSpf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D181320725 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:37894 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kTUkF-0004Bm-QN for patchwork-qemu-devel@patchwork.kernel.org; Fri, 16 Oct 2020 14:46:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55272) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTUgS-0000VT-3c for qemu-devel@nongnu.org; Fri, 16 Oct 2020 14:42:33 -0400 Received: from mail-pf1-x444.google.com ([2607:f8b0:4864:20::444]:36816) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kTUgG-00027Q-Ll for qemu-devel@nongnu.org; Fri, 16 Oct 2020 14:42:31 -0400 Received: by mail-pf1-x444.google.com with SMTP id b26so1999153pff.3 for ; Fri, 16 Oct 2020 11:42:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cq0uFj4EPvaT7XIB2x7QEFAKMyx7fIErYUcL6pVPEzc=; b=AJg/GSpfwAMptofEmN8Zw5f4rcthuQxJ81zUqSvkfobf0mE1Mqu12+dzUkqRuPBP+Y EWqoeZbWR8pMmSJriG2PaLg8DQq/BNdjJOMNZo388vZqsb/jgfG1OXDHnivQuxZgq2qm 4tzIEGLh/UrfqkFMbJOSj9LeeS1kPlEXIBt+UCpm+x36VQE6awlSxkZstPcZNkBZQZ/B J1EMUR8WAzG1WzLgbR224vjBJXpzT34cLCr/njteowlo9FYv5Opd3mECoew3oK5tVD/B 6vaW8JuModd/7By3W/t8eu4zfoGzuS1BTdoY016rMK6zLKtsgMxMHwamw+0QvETfd9mG /5Aw== 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:mime-version:content-transfer-encoding; bh=cq0uFj4EPvaT7XIB2x7QEFAKMyx7fIErYUcL6pVPEzc=; b=FqwHHrEd0rmBfLUvp2fhN5+jhjFxr8sMrNGQ66I6a5zs0xf1xT37foa70g88ubdbb6 tseHzPjoIm+5hY6cDAH8XnMo9Q/3ZDDlBYf2S4+8n0H1T3yIHvw6PPCJvBhziMlm7YcT TLgLP87aqzCtlpDZFzIqlsFnGPSI2t41fArfLXxWpByw6ArPsQB81xNbg361K3RNmol5 Ki5oD2fQKUqgg4bwkKHMhndVyPBleGAzzlTQo39Z5XnzcPZd3GFbMYZRFQIE91yTMLCE RfAn8gxijLnJdwUEfnMxg+YvAF4fqWA+uXPkyUXxMPFjNz/8h3mwB4cw56MszSP7LRJQ DBiA== X-Gm-Message-State: AOAM530CyZMDoHx7yNXSbUFjD7YZFBis5JuPNt82GnkVeYFnYXNU3zWY nXSQDf4WgKJqqp5GhUyi8HQU1ZvtzEc2HQ== X-Google-Smtp-Source: ABdhPJwmi2tPKDAF6m3T2YgJNvP1tGgjdNcnLIW71R9qTvkP9PVvOFhpZmQQiYipJhEN8sYoetjQTw== X-Received: by 2002:a65:6493:: with SMTP id e19mr4219366pgv.276.1602873739069; Fri, 16 Oct 2020 11:42:19 -0700 (PDT) Received: from localhost.localdomain ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id c15sm3426011pgg.77.2020.10.16.11.42.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Oct 2020 11:42:18 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v11 06/12] linux-user/elfload: Adjust iteration over phdr Date: Fri, 16 Oct 2020 11:42:01 -0700 Message-Id: <20201016184207.786698-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201016184207.786698-1-richard.henderson@linaro.org> References: <20201016184207.786698-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::444; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x444.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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@linaro.org, qemu-arm@nongnu.org, alex.bennee@linaro.org, laurent@vivier.eu Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" The second loop uses a loop induction variable, and the first does not. Transform the first to match the second, to simplify a following patch moving code between them. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- linux-user/elfload.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 290ef70222..210592aa90 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -2426,17 +2426,18 @@ static void load_elf_image(const char *image_name, int image_fd, loaddr = -1, hiaddr = 0; info->alignment = 0; for (i = 0; i < ehdr->e_phnum; ++i) { - if (phdr[i].p_type == PT_LOAD) { - abi_ulong a = phdr[i].p_vaddr - phdr[i].p_offset; + struct elf_phdr *eppnt = phdr + i; + if (eppnt->p_type == PT_LOAD) { + abi_ulong a = eppnt->p_vaddr - eppnt->p_offset; if (a < loaddr) { loaddr = a; } - a = phdr[i].p_vaddr + phdr[i].p_memsz; + a = eppnt->p_vaddr + eppnt->p_memsz; if (a > hiaddr) { hiaddr = a; } ++info->nsegs; - info->alignment |= phdr[i].p_align; + info->alignment |= eppnt->p_align; } }