From patchwork Fri Jan 22 17:31:00 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kratochvil X-Patchwork-Id: 10523 Received: (qmail 29231 invoked by alias); 22 Jan 2016 17:31:07 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Delivered-To: mailing list gdb-patches@sourceware.org Received: (qmail 29206 invoked by uid 89); 22 Jan 2016 17:31:06 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RP_MATCHES_RCVD, SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=target_info, Accept X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Fri, 22 Jan 2016 17:31:05 +0000 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id 2C2E4C60EF for ; Fri, 22 Jan 2016 17:31:04 +0000 (UTC) Received: from host1.jankratochvil.net (ovpn-116-93.ams2.redhat.com [10.36.116.93]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u0MHV07B011655 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 22 Jan 2016 12:31:03 -0500 Date: Fri, 22 Jan 2016 18:31:00 +0100 From: Jan Kratochvil To: Pedro Alves Cc: gdb-patches@sourceware.org Subject: [testsuite patch]#2 Fix PR threads/19422 regression + Guile regression [Re: [PATCH+doc] Fix PR threads/19422 - show which thread caused stop] Message-ID: <20160122173100.GA5990@host1.jankratochvil.net> References: <1451950202-18024-1-git-send-email-palves@redhat.com> <5697ABE8.7060705@redhat.com> <20160122173020.GA5946@host1.jankratochvil.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20160122173020.GA5946@host1.jankratochvil.net> User-Agent: Mutt/1.5.24 (2015-08-30) X-IsSubscribed: yes [ now with the patch] On Fri, 22 Jan 2016 18:30:20 +0100, Jan Kratochvil wrote: On Thu, 14 Jan 2016 15:08:40 +0100, Pedro Alves wrote: > gdb/ChangeLog: > 2016-01-14 Pedro Alves > > * NEWS: Mention that GDB now displays the ID and name of the > thread that hit a breakpoint or received a signal. > * break-catch-sig.c (signal_catchpoint_print_it): Use > maybe_print_thread_hit_breakpoint. > * break-catch-syscall.c (print_it_catch_syscall): Likewise. > * break-catch-throw.c (print_it_exception_catchpoint): Likewise. > * breakpoint.c (maybe_print_thread_hit_breakpoint): New function. > (print_it_catch_fork, print_it_catch_vfork, print_it_catch_solib) > (print_it_catch_exec, print_it_ranged_breakpoint) > (print_it_watchpoint, print_it_masked_watchpoint, bkpt_print_it): > Use maybe_print_thread_hit_breakpoint. > * breakpoint.h (maybe_print_thread_hit_breakpoint): Declare. > * gdbthread.h (show_thread_that_caused_stop): Declare. > * infrun.c (print_signal_received_reason): Print which thread > received signal. > * thread.c (show_thread_that_caused_stop): New function. There was already before a regression if --with-guile (which is default if Guile is found) was used: backtrace^M #0 0x00007ffff6078da0 in __sigprocmask (how=2, set=0x7fffffffcc40, oset=0x0) at ../sysdeps/unix/sysv/linux/x86_64/sigprocmask.c:39^M #1 0x0000000000966ce9 in _rl_handle_signal (sig=2) at signals.c:228^M #2 0x0000000000966c05 in rl_signal_handler (sig=2) at signals.c:149^M #3 ^M #4 0x00007ffff613afc0 in __poll_nocancel () at ../sysdeps/unix/syscall-template.S:84^M #5 0x00000000007d9a88 in gdb_wait_for_event (block=1) at event-loop.c:746^M #6 0x00000000007d8e87 in gdb_do_one_event () at event-loop.c:323^M #7 0x00000000007d8ed8 in start_event_loop () at event-loop.c:347^M #8 0x00000000007da9dc in cli_command_loop (data=0x0) at event-top.c:186^M #9 0x00000000007d0b4c in current_interp_command_loop () at interps.c:317^M #10 0x00000000007d1f56 in captured_command_loop (data=0x0) at main.c:318^M #11 0x00000000007cd6c9 in catch_errors (func=0x7d1f3b , func_args=0x0, errstring=0x1167f75 "", mask=RETURN_MASK_ALL) at exceptions.c:240^M #12 0x00000000007d3514 in captured_main (data=0x7fffffffd600) at main.c:1157^M #13 0x00000000007cd6c9 in catch_errors (func=0x7d23d5 , func_args=0x7fffffffd600, errstring=0x1167f75 "", mask=RETURN_MASK_ALL) at exceptions.c:240^M #14 0x00000000007d353d in gdb_main (args=0x7fffffffd600) at main.c:1165^M #15 0x000000000049ae8c in main (argc=5, argv=0x7fffffffd708) at gdb.c:32^M (gdb) PASS: gdb.gdb/selftest.exp: backtrace through signal handler -> backtrace^M #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185^M #1 0x00007ffff6db32b7 in GC_wait_marker () at pthread_support.c:2036^M #2 0x00007ffff6da92ba in GC_help_marker (my_mark_no=my_mark_no@entry=4) at mark.c:1168^M #3 0x00007ffff6db15ef in GC_mark_thread (id=) at pthread_support.c:389^M #4 0x00007ffff6b8360a in start_thread (arg=0x7ffff337e700) at pthread_create.c:334^M #5 0x00007ffff5847a4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109^M (gdb) FAIL: gdb.gdb/selftest.exp: backtrace through signal handler Additionally this patchset added a new regression: Program received signal SIGINT, Interrupt.^M 0x00007ffff613afc0 in __poll_nocancel () at ../sysdeps/unix/syscall-template.S:84^M 84 T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)^M (gdb) PASS: gdb.gdb/selftest.exp: send ^C to child process -> Thread 1 "xgdb" received signal SIGINT, Interrupt.^M 0x00007ffff583bfdd in poll () at ../sysdeps/unix/syscall-template.S:84^M 84 T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)^M (gdb) FAIL: gdb.gdb/selftest.exp: send ^C to child process OK to check-in the fix for both of these problems? Tested on x86_64-fedora23-linux-gnu. Thanks, Jan gdb/testsuite/ChangeLog 2016-01-22 Jan Kratochvil Fix testsuite compatibility with Guile. * gdb.gdb/selftest.exp (send ^C to child process): Accept also Thread. (thread 1): New test for backtrace through signal handler. diff --git a/gdb/testsuite/gdb.gdb/selftest.exp b/gdb/testsuite/gdb.gdb/selftest.exp index 4d55cb5..cdcf981 100644 --- a/gdb/testsuite/gdb.gdb/selftest.exp +++ b/gdb/testsuite/gdb.gdb/selftest.exp @@ -436,8 +436,9 @@ proc test_with_self { executable } { if ![target_info exists gdb,nointerrupts] { set description "send ^C to child process" send_gdb "\003" + # "Thread 1" is displayed iff Guile support is linked in. gdb_expect { - -re "Program received signal SIGINT.*$gdb_prompt $" { + -re "(Thread 1 \"xgdb\"|Program) received signal SIGINT.*$gdb_prompt $" { pass "$description" } -re ".*$gdb_prompt $" { @@ -448,6 +449,9 @@ proc test_with_self { executable } { } } } + + # Switch back to the GDB thread if Guile support is linked in. + gdb_test "thread 1" {\[Switching to thread 1 .*\].*} set description "send SIGINT signal to child process" gdb_test "signal SIGINT" \