From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D6B40C433EF for ; Tue, 17 May 2022 16:21:43 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 93467839CE; Tue, 17 May 2022 18:21:40 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="Hhg4URrx"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 933DB83AD0; Tue, 17 May 2022 18:21:38 +0200 (CEST) Received: from mail-pf1-x432.google.com (mail-pf1-x432.google.com [IPv6:2607:f8b0:4864:20::432]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id C2D37811D8 for ; Tue, 17 May 2022 18:21:35 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=bmeng.cn@gmail.com Received: by mail-pf1-x432.google.com with SMTP id k16so10559209pff.5 for ; Tue, 17 May 2022 09:21:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=a5BrZ+zkWiRA1reRszF4vd8ofdKgUXTfO1itwRH9qV4=; b=Hhg4URrxlEtpWQfBcustH1q0s6HL5eX3/P9Pau0a5kOVNvOAyonqX9eDvOWs7gDIoS Y+8ImzjH6GNX/l2H+RUvNPYfdBnalT2LF59fzZjS+qZL8ezqjUTSyEM714jPHEgF1YhT VEC9qbZcU27oqfv1lDxFq8N0TIe2e4lZJs51lKnQTbxLEmKNHy5N7n4WH3/Tc24j6ddq oEMVyzPdmJigSWQ7vJCqhhXh8d3mI1E1zX/BvHYfT2lURulul7OUW39JtK63ENhJOKWX a3Y0eQsKyHI5aX+3VXA27/HlZ07c0awoGkG2GgPS/fa84dhJ12b2I8xRFTZ0estVhThh qOtw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=a5BrZ+zkWiRA1reRszF4vd8ofdKgUXTfO1itwRH9qV4=; b=NrNtRjbQyCk2rDsvikLbihcWcbYwDdOfK4BFMzXc9krx4SiIaDU7sNp3y3Oa0Two3X yF+5B44OT+VhlLRAauCdCbuhPV5DDGye4mpoTgUrtpgb0ToWNTzDmLx/tE6tAwRa323e z0mlYYiFGeXuFjkeMRUKX54F+c5q20ZGFT8SmaLbl+9hCD0E1uNsofJw3u3Mpi1plfMw BUXu9GXSpmMqPlPppmSB3NYdKtpkuVdNK+90cZ6bU5Nis7qr052xIo1/peNU3/nYjL8p Rfq4N2TLfh5EF+DzjNrxB7CIGGh7AaXsqZ2LdE2UZllU79GQnjQxBwnO2Ps7vYN35AAB wX+A== X-Gm-Message-State: AOAM531UDVYLuOc8xvMX3C2pcNiT+bAl8zRKNtTXPr+wZs8gzJubQaSL iqxUoNCT0McaTdNo03iVGX/k3TdvaQs= X-Google-Smtp-Source: ABdhPJz8kAtBkmsd5I7YV3gQ98c0jQHyrRkATerFDgRy7mFH7E+bX6yaHldQQBKP04BjG8QBUxlsjQ== X-Received: by 2002:a63:2321:0:b0:3da:f4b9:90e with SMTP id j33-20020a632321000000b003daf4b9090emr20519096pgj.31.1652804494214; Tue, 17 May 2022 09:21:34 -0700 (PDT) Received: from pek-vx-bsp2.wrs.com (unknown-176-192.windriver.com. [147.11.176.192]) by smtp.gmail.com with ESMTPSA id j1-20020aa783c1000000b005181133ff2dsm49367pfn.176.2022.05.17.09.21.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 May 2022 09:21:33 -0700 (PDT) From: Bin Meng To: Simon Glass , U-Boot Mailing List Subject: [PATCH] doc: sandbox: Add a note of disabling LTO when using gdb Date: Wed, 18 May 2022 00:21:29 +0800 Message-Id: <20220517162129.2575232-1-bmeng.cn@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean Image created by LTO is not friendly to debugger, let's document this. Signed-off-by: Bin Meng --- doc/arch/sandbox.rst | 2 ++ 1 file changed, 2 insertions(+) diff --git a/doc/arch/sandbox.rst b/doc/arch/sandbox.rst index 246ab5b380..19167d22fb 100644 --- a/doc/arch/sandbox.rst +++ b/doc/arch/sandbox.rst @@ -477,6 +477,8 @@ board_init_f() and board_init_r(). This approach can be used on normal boards as well as sandbox. +When debugging with gdb, it's better to disable Link Timer Optimizations +(CONFIG_LTO = n). SDL_CONFIG ---------- -- 2.25.1