From patchwork Fri Jul 17 09:35:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 11669715 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 1AA0F60D for ; Fri, 17 Jul 2020 09:36:19 +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 E480C20717 for ; Fri, 17 Jul 2020 09:36:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=yadro.com header.i=@yadro.com header.b="TySON8n+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E480C20717 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=yadro.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:49444 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jwMmw-0002pg-0j for patchwork-qemu-devel@patchwork.kernel.org; Fri, 17 Jul 2020 05:36:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52006) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jwMm5-0001UO-QR for qemu-devel@nongnu.org; Fri, 17 Jul 2020 05:35:25 -0400 Received: from mta-02.yadro.com ([89.207.88.252]:36944 helo=mta-01.yadro.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jwMm3-0005WR-CI for qemu-devel@nongnu.org; Fri, 17 Jul 2020 05:35:25 -0400 Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id 39D1F4C91C; Fri, 17 Jul 2020 09:35:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received; s=mta-01; t= 1594978519; x=1596792920; bh=LntcODvLDgZoNAVZeI618+GpuQCqN16jBYY ic2LUMck=; b=TySON8n+T8yxnG5+B9AhD3M6v8qN4uk2HwhdBLUJd35rAeYdcRG Rrl5jq+i98AVVDXC2QiNijd6OhorqWmBKbfZL4E/TJE8Lm4qwDkhL95igtmIubiJ hw5OJu5Smc6NK38dOTXhAgg4TtVKfz+wWcFU8Ti1ncFy3+J5zktRIM0k= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OmpIN1oGT3yj; Fri, 17 Jul 2020 12:35:19 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id EE57C4C916; Fri, 17 Jul 2020 12:35:19 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 17 Jul 2020 12:35:19 +0300 From: Roman Bolshakov To: Subject: [PATCH v2 1/4] scripts/tracetool: Fix dtrace generation for macOS Date: Fri, 17 Jul 2020 12:35:14 +0300 Message-ID: <20200717093517.73397-2-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200717093517.73397-1-r.bolshakov@yadro.com> References: <20200717093517.73397-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/17 05:35:20 X-ACL-Warn: Detected OS = Linux 3.11 and newer 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham 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: Roman Bolshakov , =?utf-8?q?Daniel_P=2E_Berrang?= =?utf-8?q?=C3=A9?= , Cameron Esfahani , Stefan Hajnoczi Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" dtrace USDT is fully supported since OS X 10.6. There are a few peculiarities compared to other dtrace flavors. 1. It doesn't accept empty files. 2. It doesn't recognize bool type but accepts C99 _Bool. 3. It converts int8_t * in probe points to char * in header files and introduces [-Wpointer-sign] warning. Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov Reviewed-by: Stefan Hajnoczi --- scripts/tracetool/format/d.py | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/scripts/tracetool/format/d.py b/scripts/tracetool/format/d.py index 0afb5f3f47..353722f89c 100644 --- a/scripts/tracetool/format/d.py +++ b/scripts/tracetool/format/d.py @@ -13,6 +13,7 @@ __email__ = "stefanha@redhat.com" from tracetool import out +from sys import platform # Reserved keywords from @@ -34,7 +35,8 @@ def generate(events, backend, group): # SystemTap's dtrace(1) warns about empty "provider qemu {}" but is happy # with an empty file. Avoid the warning. - if not events: + # But dtrace on macOS can't deal with empty files. + if not events and platform != "darwin": return out('/* This file is autogenerated by tracetool, do not edit. */' @@ -44,6 +46,17 @@ def generate(events, backend, group): for e in events: args = [] for type_, name in e.args: + if platform == "darwin": + # macOS dtrace accepts only C99 _Bool + if type_ == 'bool': + type_ = '_Bool' + if type_ == 'bool *': + type_ = '_Bool *' + # It converts int8_t * in probe points to char * in header + # files and introduces [-Wpointer-sign] warning. + # Avoid it by changing probe type to signed char * beforehand. + if type_ == 'int8_t *': + type_ = 'signed char *' if name in RESERVED_WORDS: name += '_' args.append(type_ + ' ' + name)