From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19262 invoked by alias); 2 May 2013 12:04:38 -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 19233 invoked by uid 89); 2 May 2013 12:04:38 -0000 X-Spam-SWARE-Status: No, score=-8.5 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 mga09.intel.com (HELO mga09.intel.com) (134.134.136.24) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Thu, 02 May 2013 12:04:37 +0000 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 02 May 2013 05:01:51 -0700 X-ExtLoop1: 1 Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga002.jf.intel.com with ESMTP; 02 May 2013 05:03:44 -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 r42C3fQq019549; Thu, 2 May 2013 13:03:43 +0100 Received: from ulslx001.iul.intel.com (localhost [127.0.0.1]) by ulslx001.iul.intel.com with ESMTP id r42C3eif021563; Thu, 2 May 2013 14:03:40 +0200 Received: (from mmetzger@localhost) by ulslx001.iul.intel.com with id r42C3e7l021559; Thu, 2 May 2013 14:03:40 +0200 From: Markus Metzger To: jan.kratochvil@redhat.com Cc: gdb-patches@sourceware.org Subject: [PATCH 13/15] record-btrace: add to_wait and to_resume target methods. Date: Thu, 02 May 2013 12:04:00 -0000 Message-Id: <1367496216-21217-14-git-send-email-markus.t.metzger@intel.com> In-Reply-To: <1367496216-21217-1-git-send-email-markus.t.metzger@intel.com> References: <1367496216-21217-1-git-send-email-markus.t.metzger@intel.com> X-SW-Source: 2013-05/txt/msg00025.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. 2013-05-02 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 | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 43 insertions(+), 0 deletions(-) diff --git a/gdb/record-btrace.c b/gdb/record-btrace.c index cd17c77..a16e7ea 100644 --- a/gdb/record-btrace.c +++ b/gdb/record-btrace.c @@ -1006,6 +1006,47 @@ 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) +{ + struct thread_info *tp; + struct target_ops *t; + + if (record_btrace_is_replaying ()) + error (_("You can't do this from here. Do 'record goto end', first.")); + + for (t = ops->beneath; t != NULL; t = t->beneath) + if (t->to_resume != NULL) + break; + + if (t == NULL) + error (_("Cannot find target for stepping.")); + + t->to_resume (t, ptid, step, signal); +} + +/* 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) +{ + struct target_ops *t; + + for (t = ops->beneath; t != NULL; t = t->beneath) + if (t->to_wait != NULL) + break; + + if (t == NULL) + error (_("Cannot find target for stepping.")); + + return t->to_wait (t, ptid, status, options); +} + /* Initialize the record-btrace target ops. */ static void @@ -1038,6 +1079,8 @@ 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