From patchwork Thu Apr 10 12:40:07 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Agovic, Sanimir" X-Patchwork-Id: 477 Return-Path: X-Original-To: siddhesh@wilcox.dreamhost.com Delivered-To: siddhesh@wilcox.dreamhost.com Received: from homiemail-mx23.g.dreamhost.com (mx2.sub5.homie.mail.dreamhost.com [208.113.200.128]) by wilcox.dreamhost.com (Postfix) with ESMTP id 5704636007E for ; Thu, 10 Apr 2014 05:45:39 -0700 (PDT) Received: by homiemail-mx23.g.dreamhost.com (Postfix, from userid 14314964) id 0AD09627CEBB7; Thu, 10 Apr 2014 05:45:38 -0700 (PDT) X-Original-To: gdb@patchwork.siddhesh.in Delivered-To: x14314964@homiemail-mx23.g.dreamhost.com Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by homiemail-mx23.g.dreamhost.com (Postfix) with ESMTPS id E298E627CEBAF for ; Thu, 10 Apr 2014 05:45:38 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:cc:subject:date:message-id:in-reply-to :references; q=dns; s=default; b=L8151z54Q0dEGkdeoixWTHf4B1nxzwa 1/hNrKEPG/XzGEUkNXmWF+BS22cl6USZZOZJWK3WS8Lez9I9OnkTTI8RD+rbSl3x DECudY0sxTabGsJOUJgwVn048M0VXuE53TRHfnYlx4+VD3KX7UHJ0kkDR0sZB7Oz 8jNJz+zXHlJs= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:cc:subject:date:message-id:in-reply-to :references; s=default; bh=JktuU1aatRY63m1N2FsTxFI5FUk=; b=Vjr73 i3YBInMoXyuLoIheuIpGco2TQMDDv3akUJo4QohsHw62XIMIuF4daKYFG2bEfny4 /c9SkY/7S+Rd54pAck11dRXD5hsa4icSgKzXtofZpgtBp4pN40nkCyBvNjiAZS1D QbWV2oQyOjEWc15xcR+M2tsR8xWBePTUZgiFbw= Received: (qmail 27999 invoked by alias); 10 Apr 2014 12:45:37 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Delivered-To: mailing list gdb-patches@sourceware.org Received: (qmail 27988 invoked by uid 89); 10 Apr 2014 12:45:36 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL, BAYES_00, RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: mga09.intel.com Received: from mga09.intel.com (HELO mga09.intel.com) (134.134.136.24) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 10 Apr 2014 12:45:36 +0000 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 10 Apr 2014 05:40:46 -0700 X-ExtLoop1: 1 Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga001.jf.intel.com with ESMTP; 10 Apr 2014 05:45:29 -0700 Received: from ulliclel004.iul.intel.com (ulliclel004.iul.intel.com [172.28.50.125]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id s3ACjEpW009856; Thu, 10 Apr 2014 13:45:19 +0100 Received: from ulliclel004.iul.intel.com (ulliclel004.iul.intel.com [127.0.0.1]) by ulliclel004.iul.intel.com (8.13.8/8.12.8/MailSET/client) with ESMTP id s3ACiCkm026751; Thu, 10 Apr 2014 14:44:33 +0200 Received: (from sagovic@localhost) by ulliclel004.iul.intel.com (8.13.8/8.13.1/Submit) id s3ACi7xw026750; Thu, 10 Apr 2014 14:44:07 +0200 From: Sanimir Agovic To: brobecker@adacore.com Cc: gdb-patches@sourceware.org, tromey@redhat.com Subject: [PATCH v6 05/15] vla: enable sizeof operator for indirection Date: Thu, 10 Apr 2014 14:40:07 +0200 Message-Id: <1397133617-26681-6-git-send-email-sanimir.agovic@intel.com> In-Reply-To: <1397133617-26681-1-git-send-email-sanimir.agovic@intel.com> References: <1397133617-26681-1-git-send-email-sanimir.agovic@intel.com> X-IsSubscribed: yes X-DH-Original-To: gdb@patchwork.siddhesh.in This patch enables the sizeof operator for indirections: 1| void foo (size_t n) { 2| int vla[n]; 3| int *vla_ptr = &vla; 4| } (gdb) p sizeof(*vla_ptr) yields sizeof (size_t) * n. 2013-10-18 Sanimir Agovic Keven Boell * eval.c (evaluate_subexp_for_sizeof) : Create an indirect value and retrieve the dynamic type size. Signed-off-by: Sanimir Agovic --- gdb/eval.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/gdb/eval.c b/gdb/eval.c index a81e789..b3e45ca 100644 --- a/gdb/eval.c +++ b/gdb/eval.c @@ -3027,6 +3027,8 @@ evaluate_subexp_for_sizeof (struct expression *exp, int *pos) && TYPE_CODE (type) != TYPE_CODE_ARRAY) error (_("Attempt to take contents of a non-pointer value.")); type = check_typedef (TYPE_TARGET_TYPE (type)); + if (is_dynamic_type (type)) + type = value_type (value_ind (val)); return value_from_longest (size_type, (LONGEST) TYPE_LENGTH (type)); case UNOP_MEMVAL: