Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp588151ybz; Wed, 15 Apr 2020 14:38:05 -0700 (PDT) X-Google-Smtp-Source: APiQypIf7KnSN1OuGHd111ROnsIJZk24WgNXpgNWaatLzgFFVRxnliGbULYVDMum9gqIVWKVtNiM X-Received: by 2002:a50:cd89:: with SMTP id p9mr26872766edi.188.1586986685224; Wed, 15 Apr 2020 14:38:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1586986685; cv=none; d=google.com; s=arc-20160816; b=VPcM8mYdgtIumGfC+hAx4nTaZCKkD80hnQOfj+UApyyMXlSz70g1r1DIPDv+pACQJO HTXNCaUUdv5wspVt6C2eO2pN4zKIJS+P2xKtjLQqw7ggHp6uPt1orwjtwHXnnwepIKU0 /FFcM0XytXPqExP6+rdzZXK2hZ/6HfSBQJqtzvEeWbqKYu559g/9jnJVzxj/FsrOTYJ3 Gvp88in61szBj21KIcUbEl5Xjw9LUHBb8muAe1NkMzGwUM9LBHPvM1QRWIoyBOQnYCss MRGERJsf0pZHJAS81sRGqUwRQamOh17pGY53npKClt2DEKjctAtBzJwsA+3CnC1iIT8M KmqQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=2Yf8+VS1gxMHRBYhbFFXMmA4aoOvHpHcZCNU83f8LjE=; b=H4lcZRo7KfbGPB3o77tDC65SeHJB/sYzNOCIePLK/BCZJCI0syBqKS34eUBi07zubn +HeWVLz+xTkqjqyaFIPt6yot7uNWKQp+kvKXhWyhoAycCstcqCjf3xuYWPdP/q+JixJL NjMVE9JiR+d0hBO5whUwpbNW8b2XGg/Ic5unVkU1WgZ0tA61EpV1Sh1EwZu9e8wKsWmY avYWSdp2aQ7bTiYsSPPntgJLkLVUJy4+YLd+7ObOMIKKlIkfEJkKYORv6beJ0D4rhvU9 djVK5dFl1fCeV8Skh3ywywV6NrFNMbmRLMiiZUjjIzGvvdMCnExVFNwi5TZ/EKJ+ZIEF CRAw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id w16si10125920ejb.521.2020.04.15.14.37.42; Wed, 15 Apr 2020 14:38:05 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732648AbgDNNll (ORCPT + 99 others); Tue, 14 Apr 2020 09:41:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:53142 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732577AbgDNNl0 (ORCPT ); Tue, 14 Apr 2020 09:41:26 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 764172075E; Tue, 14 Apr 2020 13:41:23 +0000 (UTC) Date: Tue, 14 Apr 2020 09:41:21 -0400 From: Steven Rostedt To: Julien Thierry Cc: Matt Helsley , linux-kernel@vger.kernel.org, Josh Poimboeuf , Peter Zijlstra , Ingo Molnar , Miroslav Benes Subject: Re: [RFC][PATCH 03/36] objtool: Enable compilation of objtool for all architectures Message-ID: <20200414094121.73f5c82a@gandalf.local.home> In-Reply-To: References: X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 14 Apr 2020 08:39:23 +0100 Julien Thierry wrote: > My concern with this it that most of the structures and code in arch.h > and check.c can/should be reused across architectures. So, when > providing support for a new architecutre, the first thing that will be > needed is to move those back under tools/objtool whithout disturbing the > arches that don't yet provide support for "check" subcommand. Are all the enums and structs in arch.h non-arch specific? Or would they need to be split? > > So, if it is decided that recordmcount should be an objtool subcommand, > the code itself should probably stay under tools/objtool and then have > different compilation configurations for objtool depending on the > architecture (e.g. HAVE_OBJTOOL_CHECK, HAVE_OBJTOOL_ORC) or something of > the sort. That could work. -- Steve