From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12446 invoked by alias); 10 Dec 2010 04:52:45 -0000 Received: (qmail 12434 invoked by uid 22791); 10 Dec 2010 04:52:44 -0000 X-SWARE-Spam-Status: No, hits=-6.2 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 10 Dec 2010 04:52:39 +0000 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id oBA4qbSC007808 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 9 Dec 2010 23:52:37 -0500 Received: from host0.dyn.jankratochvil.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id oBA4qXc3018355 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 9 Dec 2010 23:52:36 -0500 Received: from host0.dyn.jankratochvil.net (host0.dyn.jankratochvil.net [127.0.0.1]) by host0.dyn.jankratochvil.net (8.14.4/8.14.4) with ESMTP id oBA4qWxu029920; Fri, 10 Dec 2010 05:52:32 +0100 Received: (from jkratoch@localhost) by host0.dyn.jankratochvil.net (8.14.4/8.14.4/Submit) id oBA4qU9M029911; Fri, 10 Dec 2010 05:52:30 +0100 Date: Fri, 10 Dec 2010 04:52:00 -0000 From: Jan Kratochvil To: Tom Tromey Cc: gdb-patches@sources.redhat.com Subject: Re: RFC: next/finish/etc -vs- exceptions Message-ID: <20101210045230.GA29751@host0.dyn.jankratochvil.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-IsSubscribed: yes 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 X-SW-Source: 2010-12/txt/msg00128.txt.bz2 On Thu, 09 Dec 2010 17:37:17 +0100, Tom Tromey wrote: > >>>>> "Tom" == Tom Tromey writes: > I rebased this patch on CVS HEAD and committed it. > I'm appending the updated version. The attached testcase extension causes: breakpoint.c:4393: internal-error: bpstat_what: unhandled bptype -1785358955 The new field `tp->control.exception_resume_breakpoint' should be probably handled by existing save_infcall_control_state, restore_infcall_control_state and discard_infcall_control_state somehow like step_resume_breakpoint is. Thanks, Jan --- a/gdb/testsuite/gdb.cp/nextoverthrow.cc +++ b/gdb/testsuite/gdb.cp/nextoverthrow.cc @@ -19,8 +19,9 @@ using namespace std; -void dummy () +int dummy () { + return 0; } class NextOverThrowDerivates @@ -89,6 +90,18 @@ public: function1 (val); // until here } + void resumebpt (int val) + { + try + { + throw val; + } + catch (int x) + { + dummy (); + } + } + }; NextOverThrowDerivates next_cases; @@ -198,6 +211,18 @@ int main () testval = val; // End: advance } + // Test of "resumebpt". + try + { + next_cases.resumebpt (10); // Start: resumebpt + next_cases.resumebpt (11); // Second: resumebpt + } + catch (int val) + { + dummy (); + testval = val; // End: resumebpt + } + testval = 32; // done } --- a/gdb/testsuite/gdb.cp/nextoverthrow.exp +++ b/gdb/testsuite/gdb.cp/nextoverthrow.exp @@ -149,5 +149,14 @@ gdb_test "advance $line" ".*" "advance-over-throw" tbreak_and_cont "End: advance" verify_testval "pre-check - advance" 8 +tbreak_and_cont "Start: resumebpt" +gdb_test "tbreak _Unwind_RaiseException" +gdb_test "continue" "Temporary breakpoint.*" "continuing to _Unwind_RaiseException" +gdb_test "finish" "Run till exit .*" +gdb_test {set $retpc=$pc} +gdb_test {break *$retpc if dummy ()} +tbreak_and_cont "Second: resumebpt" +gdb_test "next" + tbreak_and_cont "done" verify_testval "post-check - advance" 9