From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12050 invoked by alias); 21 Oct 2013 14:40:41 -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 11958 invoked by uid 89); 21 Oct 2013 14:40:41 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.2 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: mga14.intel.com Received: from mga14.intel.com (HELO mga14.intel.com) (143.182.124.37) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 21 Oct 2013 14:40:40 +0000 Received: from azsmga002.ch.intel.com ([10.2.17.35]) by azsmga102.ch.intel.com with ESMTP; 21 Oct 2013 07:40:38 -0700 X-ExtLoop1: 1 Received: from irvmail001.ir.intel.com ([163.33.26.43]) by AZSMGA002.ch.intel.com with ESMTP; 21 Oct 2013 07:40:37 -0700 Received: from ulliclel001.iul.intel.com (ulliclel001.iul.intel.com [172.28.50.199]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id r9LEeaHp030730 for ; Mon, 21 Oct 2013 15:40:36 +0100 Received: from ulliclel001.iul.intel.com (localhost [127.0.0.1]) by ulliclel001.iul.intel.com (8.14.4/8.12.8/MailSET/client) with ESMTP id r9LEeaug021132 for ; Mon, 21 Oct 2013 16:40:36 +0200 Received: (from sagovic@localhost) by ulliclel001.iul.intel.com (8.14.4/8.12.8/MailSET/Submit) id r9LEeZgW021131 for gdb-patches@sourceware.org; Mon, 21 Oct 2013 16:40:35 +0200 From: Sanimir Agovic To: gdb-patches@sourceware.org Subject: [PATCH 07/10] test: evaluate pointers to C99 vla correctly. Date: Mon, 21 Oct 2013 14:40:00 -0000 Message-Id: <1382366424-21010-8-git-send-email-sanimir.agovic@intel.com> In-Reply-To: <1382366424-21010-1-git-send-email-sanimir.agovic@intel.com> References: <1382366424-21010-1-git-send-email-sanimir.agovic@intel.com> X-IsSubscribed: yes X-SW-Source: 2013-10/txt/msg00626.txt.bz2 From: Keven Boell 2013-10-18 Keven Boell gdb/testsuite: * gdb.base/vla-ptr.c: New. Test source file for testing pointers to VLA's in C. * gdb.base/vla-ptr.exp: New. Tests ensure that the evaluation of pointers to VLA's work correctly in C. Change-Id: I12695184edc0d9621d658615ea48d783649f813d Signed-off-by: Keven Boell --- gdb/testsuite/gdb.base/vla-ptr.c | 63 ++++++++++++++++++++++++++++++++++++ gdb/testsuite/gdb.base/vla-ptr.exp | 45 +++++++++++++++++++++++++ 2 files changed, 108 insertions(+), 0 deletions(-) create mode 100755 gdb/testsuite/gdb.base/vla-ptr.c create mode 100644 gdb/testsuite/gdb.base/vla-ptr.exp diff --git a/gdb/testsuite/gdb.base/vla-ptr.c b/gdb/testsuite/gdb.base/vla-ptr.c new file mode 100755 index 0000000..85c41e0 --- /dev/null +++ b/gdb/testsuite/gdb.base/vla-ptr.c @@ -0,0 +1,63 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2013 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#define SIZE 5 + +void +foo (int n, int vla_ptr[n]) +{ + return; /* foo_bp */ +} + +void +bar (int *vla_ptr) +{ + return; /* bar_bp */ +} + +void +vla_func (int n) +{ + int vla[n]; + int (*vla_ptr)[n]; + typedef int typedef_vla[n]; + typedef_vla td_vla; + int i; + + for (i = 0; i < n; i++) + { + vla[i] = 2+i; + td_vla[i] = 4+i; + } + + foo(n, vla); + bar(vla); + + vla_ptr = &vla; + + typedef_vla *td_ptr = &td_vla; /* vla_ptr_assigned */ + + return; /* typedef_ptr_assigned */ +} + +int +main () +{ + vla_func(SIZE); + + return 0; +} diff --git a/gdb/testsuite/gdb.base/vla-ptr.exp b/gdb/testsuite/gdb.base/vla-ptr.exp new file mode 100644 index 0000000..54c753f --- /dev/null +++ b/gdb/testsuite/gdb.base/vla-ptr.exp @@ -0,0 +1,45 @@ +# Copyright 2013 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +standard_testfile ".c" + +if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } { + return -1 +} + +if ![runto_main] { + return -1 +} + +# check that VLA passed to function (pointer) points to the first element +gdb_breakpoint [gdb_get_line_number "foo_bp"] +gdb_continue_to_breakpoint "foo_bp" +gdb_test "print vla_ptr" "\\\(int \\\*\\\) $hex" "print vla_ptr (foo)" +gdb_test "print *vla_ptr" "\\$\\d+ = 2" "print *vla_ptr (foo)" + +gdb_breakpoint [gdb_get_line_number "bar_bp"] +gdb_continue_to_breakpoint "bar_bp" +gdb_test "print vla_ptr" "\\\(int \\\*\\\) $hex" "print vla_ptr (bar)" +gdb_test "print *vla_ptr" "\\$\\d+ = 2" "print *vla_ptr (bar)" + +gdb_breakpoint [gdb_get_line_number "vla_ptr_assigned"] +gdb_continue_to_breakpoint "vla_ptr_assigned" +gdb_test "print *vla_ptr" "\\$\\d+ = \\\{2, 3, 4, 5, 6\\\}" "print *vla_ptr (vla_func)" +gdb_test "print sizeof(*vla_ptr)" "\\$\\d+ = 20" "print sizeof(*vla_ptr) (vla_func)" + +gdb_breakpoint [gdb_get_line_number "typedef_ptr_assigned"] +gdb_continue_to_breakpoint "typedef_ptr_assigned" +gdb_test "print td_vla" "\\$\\d+ = \\\{4, 5, 6, 7, 8\\\}" "print td_vla" +gdb_test "print *td_ptr" "\\$\\d+ = \\\{4, 5, 6, 7, 8\\\}" "print *td_ptr" -- 1.7.0.7