From: Pedro Alves <pedro@palves.net>
To: Tom de Vries <tdevries@suse.de>, gdb-patches@sourceware.org
Subject: Re: [PATCH v2 00/29] Step over thread clone and thread exit
Date: Mon, 12 Dec 2022 20:20:09 +0000 [thread overview]
Message-ID: <f92cb5ee-0170-b7e8-aace-1f2c8ce598f6@palves.net> (raw)
In-Reply-To: <fa1c1291-a717-752b-97d7-889f2ae7c3ed@suse.de>
On 2022-10-03 7:37 p.m., Tom de Vries wrote:
> On 10/3/22 15:46, Tom de Vries wrote:
>> On 7/14/22 00:24, Pedro Alves wrote:
>>> Tested on x86-64 Ubuntu 20.04, native and gdbserver.
>>>
>>
>> FYI, I applied on the base commit, and tried to build (with --enable-targets=all), and ran into:
>> ...
>> /home/vries/gdb_versions/devel/src/gdb/rs6000-tdep.c:1097:64: error: no matching function for call to ‘displaced_step_buffers::finish(gdbarch*&, thread_info*&, gdb_signal&)’
>> return per_inferior->disp_step_buf->finish (arch, thread, sig);
>> ^
>> ...
>> and:
>> ...
>> /home/vries/gdb_versions/devel/src/gdb/rs6000-tdep.c:8353:72: error: invalid conversion from ‘displaced_step_finish_status (*)(gdbarch*, thread_info*, gdb_signal)’ to ‘displaced_step_finish_status (*)(gdbarch*, thread_info*, const target_waitstatus&)’ [-fpermissive]
>> set_gdbarch_displaced_step_finish (gdbarch, ppc_displaced_step_finish);
>> ^
>> ...
>>
>> I'll try again without --enable-targets=all.
>
> That went ok, so I did a testsuite run, using taskset -c 0 (which for me triggers PR24845).
>
> So, PR24845 is gone with this series, which is great.
>
> I'm though running into:
> ...
> FAIL: gdb.threads/stepi-over-clone.exp: continue
> FAIL: gdb.threads/stepi-over-clone.exp: third_thread=false: non-stop=on: displaced=off: i=0: stepi
> FAIL: gdb.threads/stepi-over-clone.exp: third_thread=false: non-stop=on: displaced=off: i=0: $thread_count == 2
> ... <more of those>
> ...
>
> The first FAIL looks like:
> ...
> (gdb) PASS: gdb.threads/stepi-over-clone.exp: catch syscall clone
> continue^M
> Continuing.^M
> ^M
> Catchpoint 2 (call to syscall clone), clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:78^M
> 78 ../sysdeps/unix/sysv/linux/x86_64/clone.S: No such file or directory.^M
> (gdb) FAIL: gdb.threads/stepi-over-clone.exp: continue
> ...
> and AFAICT the corresponding check is:
> ...
> gdb_test "continue" \
> "Catchpoint $decimal \\(call to syscall clone\\), $hex in clone \\(\\)"
> ...
> so, that looks like some kind to debuginfo difference to me: I don't have glibc-debuginfo installed, but I guess the static library contains some debug info.
Thanks. I've tweaked the testcase to be more permissive.
>
> So, AFAICT, nothing serious.
Agreed.
next prev parent reply other threads:[~2022-12-12 20:20 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-13 22:24 Pedro Alves
2022-07-13 22:24 ` [PATCH v2 01/29] displaced step: pass down target_waitstatus instead of gdb_signal Pedro Alves
2022-07-20 20:21 ` Simon Marchi
2022-07-13 22:24 ` [PATCH v2 02/29] linux-nat: introduce pending_status_str Pedro Alves
2022-07-20 20:38 ` Simon Marchi
2022-07-13 22:24 ` [PATCH v2 03/29] gdb/linux: Delete all other LWPs immediately on ptrace exec event Pedro Alves
2022-07-21 0:45 ` Simon Marchi
2022-07-13 22:24 ` [PATCH v2 04/29] Step over clone syscall w/ breakpoint, TARGET_WAITKIND_THREAD_CLONED Pedro Alves
2022-07-21 1:35 ` Simon Marchi
2022-10-17 18:54 ` Pedro Alves
2022-10-18 12:40 ` [PATCH] Don't explicitly set clone child ptrace options (was: Re: [PATCH v2 04/29] Step over clone syscall w/ breakpoint, TARGET_WAITKIND_THREAD_CLONED) Pedro Alves
2022-10-28 14:50 ` Simon Marchi
2022-12-12 20:13 ` [PATCH v2 04/29] Step over clone syscall w/ breakpoint, TARGET_WAITKIND_THREAD_CLONED Pedro Alves
2022-07-13 22:24 ` [PATCH v2 05/29] Support clone events in the remote protocol Pedro Alves
2022-07-21 2:25 ` Simon Marchi
2022-12-12 20:14 ` Pedro Alves
2022-07-13 22:24 ` [PATCH v2 06/29] Avoid duplicate QThreadEvents packets Pedro Alves
2022-07-21 2:30 ` Simon Marchi
2022-12-12 20:14 ` Pedro Alves
2022-07-13 22:24 ` [PATCH v2 07/29] Thread options & clone events (core + remote) Pedro Alves
2022-07-21 3:14 ` Simon Marchi
2022-10-27 19:55 ` [PATCH] enum_flags to_string (was: Re: [PATCH v2 07/29] Thread options & clone events (core + remote)) Pedro Alves
2022-10-28 10:26 ` [PATCH v2] " Pedro Alves
2022-10-28 11:08 ` [PATCH v3] " Pedro Alves
2022-10-28 15:59 ` Simon Marchi
2022-10-28 18:23 ` Pedro Alves
2022-10-31 12:47 ` Simon Marchi
2022-11-07 17:26 ` [PATCH v5] " Pedro Alves
2022-11-07 18:29 ` Simon Marchi
2022-11-08 14:56 ` Pedro Alves
2022-12-12 20:15 ` [PATCH v2 07/29] Thread options & clone events (core + remote) Pedro Alves
2022-07-13 22:24 ` [PATCH v2 08/29] Thread options & clone events (native Linux) Pedro Alves
2022-07-21 12:38 ` Simon Marchi
2022-12-12 20:16 ` Pedro Alves
2022-07-13 22:24 ` [PATCH v2 09/29] Thread options & clone events (Linux GDBserver) Pedro Alves
2022-07-21 13:11 ` Simon Marchi
2022-12-12 20:16 ` Pedro Alves
2022-07-13 22:24 ` [PATCH v2 10/29] gdbserver: Hide and don't detach pending clone children Pedro Alves
2022-07-13 22:24 ` [PATCH v2 11/29] Remove gdb/19675 kfails (displaced stepping + clone) Pedro Alves
2022-07-13 22:24 ` [PATCH v2 12/29] Add test for stepping over clone syscall Pedro Alves
2022-07-13 22:24 ` [PATCH v2 13/29] all-stop/synchronous RSP support thread-exit events Pedro Alves
2022-07-13 22:24 ` [PATCH v2 14/29] gdbserver/linux-low.cc: Ignore event_ptid if TARGET_WAITKIND_IGNORE Pedro Alves
2022-07-13 22:24 ` [PATCH v2 15/29] Introduce GDB_TO_EXIT thread option, fix step-over-thread-exit Pedro Alves
2022-07-13 22:24 ` [PATCH v2 16/29] Implement GDB_TO_EXIT support for Linux GDBserver Pedro Alves
2022-07-13 22:24 ` [PATCH v2 17/29] Implement GDB_TO_EXIT support for native Linux Pedro Alves
2022-07-21 15:26 ` Simon Marchi
2022-12-12 20:17 ` Pedro Alves
2022-07-13 22:24 ` [PATCH v2 18/29] gdb: clear step over information on thread exit (PR gdb/27338) Pedro Alves
2022-07-21 18:12 ` Simon Marchi
2022-12-12 20:18 ` Pedro Alves
2022-07-13 22:24 ` [PATCH v2 19/29] stop_all_threads: (re-)enable async before waiting for stops Pedro Alves
2022-07-21 18:21 ` Simon Marchi
2022-12-12 20:18 ` Pedro Alves
2022-07-13 22:24 ` [PATCH v2 20/29] gdbserver: Queue no-resumed event after thread exit Pedro Alves
2022-07-13 22:24 ` [PATCH v2 21/29] Don't resume new threads if scheduler-locking is in effect Pedro Alves
2022-07-14 5:28 ` Eli Zaretskii
2022-07-21 18:49 ` Simon Marchi
2022-12-12 20:19 ` Pedro Alves
2022-07-13 22:24 ` [PATCH v2 22/29] Report thread exit event for leader if reporting thread exit events Pedro Alves
2022-07-13 22:24 ` [PATCH v2 23/29] Ignore failure to read PC when resuming Pedro Alves
2022-07-13 22:24 ` [PATCH v2 24/29] gdb/testsuite/lib/my-syscalls.S: Refactor new SYSCALL macro Pedro Alves
2022-07-13 22:24 ` [PATCH v2 25/29] Testcases for stepping over thread exit syscall (PR gdb/27338) Pedro Alves
2022-07-13 22:24 ` [PATCH v2 26/29] Document remote clone events, and QThreadOptions packet Pedro Alves
2022-07-14 5:27 ` Eli Zaretskii
2022-07-13 22:24 ` [PATCH v2 27/29] inferior::clear_thread_list always silent Pedro Alves
2022-07-13 22:24 ` [PATCH v2 28/29] Centralize "[Thread ...exited]" notifications Pedro Alves
2022-07-13 22:24 ` [PATCH v2 29/29] Cancel execution command on thread exit, when stepping, nexting, etc Pedro Alves
2022-07-21 19:28 ` [PATCH v2 00/29] Step over thread clone and thread exit Simon Marchi
2022-10-03 13:46 ` Tom de Vries
2022-10-03 18:37 ` Tom de Vries
2022-12-12 20:20 ` Pedro Alves [this message]
2022-12-12 20:19 ` Pedro Alves
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