From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32190 invoked by alias); 3 Jul 2013 09:15:02 -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 32105 invoked by uid 89); 3 Jul 2013 09:15:02 -0000 X-Spam-SWARE-Status: No, score=-6.5 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,KHOP_THREADED,RCVD_IN_HOSTKARMA_W,RCVD_IN_HOSTKARMA_WL,RP_MATCHES_RCVD autolearn=ham version=3.3.1 Received: from mga14.intel.com (HELO mga14.intel.com) (143.182.124.37) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Wed, 03 Jul 2013 09:15:01 +0000 Received: from azsmga001.ch.intel.com ([10.2.17.19]) by azsmga102.ch.intel.com with ESMTP; 03 Jul 2013 02:14:58 -0700 X-ExtLoop1: 1 Received: from irvmail001.ir.intel.com ([163.33.26.43]) by azsmga001.ch.intel.com with ESMTP; 03 Jul 2013 02:14:39 -0700 Received: from ulslx001.iul.intel.com (ulslx001.iul.intel.com [172.28.207.63]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id r639EcHp009829; Wed, 3 Jul 2013 10:14:38 +0100 Received: from ulslx001.iul.intel.com (localhost [127.0.0.1]) by ulslx001.iul.intel.com with ESMTP id r639Ec0G029314; Wed, 3 Jul 2013 11:14:38 +0200 Received: (from mmetzger@localhost) by ulslx001.iul.intel.com with id r639EcuO029310; Wed, 3 Jul 2013 11:14:38 +0200 From: Markus Metzger To: jan.kratochvil@redhat.com Cc: gdb-patches@sourceware.org Subject: [patch v4 15/24] record-btrace: add to_wait and to_resume target methods. Date: Wed, 03 Jul 2013 09:15:00 -0000 Message-Id: <1372842874-28951-16-git-send-email-markus.t.metzger@intel.com> In-Reply-To: <1372842874-28951-1-git-send-email-markus.t.metzger@intel.com> References: <1372842874-28951-1-git-send-email-markus.t.metzger@intel.com> X-SW-Source: 2013-07/txt/msg00132.txt.bz2 Add simple to_wait and to_resume target methods that prevent stepping when the current replay position is not at the end of the execution log. 2013-07-03 Markus Metzger * record-btrace.c (record_btrace_resume): New. (record_btrace_wait): New. (init_record_btrace_ops): Initialize to_wait and to_resume. --- gdb/record-btrace.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 files changed, 41 insertions(+), 0 deletions(-) diff --git a/gdb/record-btrace.c b/gdb/record-btrace.c index 831a367..430296a 100644 --- a/gdb/record-btrace.c +++ b/gdb/record-btrace.c @@ -966,6 +966,45 @@ static const struct frame_unwind record_btrace_frame_unwind = NULL, record_btrace_frame_sniffer }; + +/* The to_resume method of target record-btrace. */ + +static void +record_btrace_resume (struct target_ops *ops, ptid_t ptid, int step, + enum gdb_signal signal) +{ + /* As long as we're not replaying, just forward the request. */ + if (!record_btrace_is_replaying ()) + { + for (ops = ops->beneath; ops != NULL; ops = ops->beneath) + if (ops->to_resume != NULL) + return ops->to_resume (ops, ptid, step, signal); + + error (_("Cannot find target for stepping.")); + } + + error (_("You can't do this from here. Do 'record goto end', first.")); +} + +/* The to_wait method of target record-btrace. */ + +static ptid_t +record_btrace_wait (struct target_ops *ops, ptid_t ptid, + struct target_waitstatus *status, int options) +{ + /* As long as we're not replaying, just forward the request. */ + if (!record_btrace_is_replaying ()) + { + for (ops = ops->beneath; ops != NULL; ops = ops->beneath) + if (ops->to_wait != NULL) + return ops->to_wait (ops, ptid, status, options); + + error (_("Cannot find target for stepping.")); + } + + error (_("You can't do this from here. Do 'record goto end', first.")); +} + /* Initialize the record-btrace target ops. */ static void @@ -998,6 +1037,8 @@ init_record_btrace_ops (void) ops->to_store_registers = record_btrace_store_registers; ops->to_prepare_to_store = record_btrace_prepare_to_store; ops->to_get_unwinder = &record_btrace_frame_unwind; + ops->to_resume = record_btrace_resume; + ops->to_wait = record_btrace_wait; ops->to_stratum = record_stratum; ops->to_magic = OPS_MAGIC; } -- 1.7.1