From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@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 12:45:00 -0000 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-SW-Source: 2014-04/txt/msg00162.txt.bz2 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: -- 1.8.4.2