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From: Pedro Alves <pedro@palves.net>
To: Andrew Burgess <andrew.burgess@embecosm.com>, gdb-patches@sourceware.org
Subject: Re: [PATCH 4/5] gdb: print backtrace on fatal SIGSEGV
Date: Sun, 4 Jul 2021 01:53:03 +0100	[thread overview]
Message-ID: <94b1b365-6ccc-20bb-bd9a-5bccd15cd56e@palves.net> (raw)
In-Reply-To: <d610f11453e8756b366dbb2ddf852367a2ffabe9.1625223527.git.andrew.burgess@embecosm.com>

On 2021-07-02 12:06 p.m., Andrew Burgess wrote:

> So, currently, this is only effecting our handling of SIGSEGV.
> Previously, if GDB hit a SEGV then we would terminate GDB with a
> SIGABRT.  After this commit we will terminate GDB with a SIGSEGV.
> This feels like an improvement to me, we should still get a core dump,
> but in many shells, the user will see a more specific message once GDB
> exits, in bash for example "Segmentation fault" rather than "Aborted".

(forgot to merge this comment with the other email)

Someone once said "A picture is worth a thousand words".  :-)
Could you show us (and include in the commit log) an example of a GDB backtrace
we'd get?

  parent reply	other threads:[~2021-07-04  0:53 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-02 11:06 [PATCH 0/5] GDB Synchronous Signal Handling Andrew Burgess
2021-07-02 11:06 ` [PATCH 1/5] gdb: terminate upon receipt of SIGFPE Andrew Burgess
2021-07-02 12:09   ` Eli Zaretskii
2021-07-02 18:11     ` Tom Tromey
2021-07-02 22:51       ` Pedro Alves
2021-07-03  6:14         ` Eli Zaretskii
2021-07-03 18:02           ` Pedro Alves
2021-07-03 18:23             ` Eli Zaretskii
2021-07-03 22:52               ` Pedro Alves
2021-07-04  4:27                 ` Eli Zaretskii
2021-07-04 14:51                   ` Pedro Alves
2021-07-04 16:31                     ` Eli Zaretskii
2021-07-03 22:58   ` Pedro Alves
2021-07-02 11:06 ` [PATCH 2/5] gdb: register signal handler after setting up event token Andrew Burgess
2021-07-03 23:02   ` Pedro Alves
2021-07-02 11:06 ` [PATCH 3/5] gdb: rewrite header comment on async_init_signals Andrew Burgess
2021-07-03 23:23   ` Pedro Alves
2021-07-02 11:06 ` [PATCH 4/5] gdb: print backtrace on fatal SIGSEGV Andrew Burgess
2021-07-02 11:47   ` Eli Zaretskii
2021-07-04  0:55     ` Pedro Alves
2021-07-04  4:32       ` Eli Zaretskii
2021-07-04 14:32         ` Pedro Alves
2021-07-04 14:38           ` Eli Zaretskii
2021-07-04 15:03             ` Pedro Alves
2021-07-04 16:34               ` Eli Zaretskii
2021-07-04  0:51   ` Pedro Alves
2021-07-04  0:53   ` Pedro Alves [this message]
2021-07-02 11:06 ` [PATCH 5/5] gdb: register SIGBUS, SIGFPE, and SIGABRT handlers Andrew Burgess
2021-07-04  0:58   ` Pedro Alves
2021-07-21 18:08 ` [PATCHv2 0/6] GDB Synchronous Signal Handling Andrew Burgess
2021-07-21 18:08   ` [PATCHv2 1/6] gdb: terminate upon receipt of SIGFPE Andrew Burgess
2021-07-21 18:08   ` [PATCHv2 2/6] gdb: register signal handler after setting up event token Andrew Burgess
2021-07-21 18:08   ` [PATCHv2 3/6] gdb: rename async_init_signals to gdb_init_signals Andrew Burgess
2021-07-21 18:08   ` [PATCHv2 4/6] gdb: print backtrace on fatal SIGSEGV Andrew Burgess
2021-08-10 18:53     ` Pedro Alves
2021-07-21 18:08   ` [PATCHv2 5/6] gdb: register SIGBUS, SIGFPE, and SIGABRT handlers Andrew Burgess
2021-07-21 18:08   ` [PATCHv2 6/6] gdb: don't print backtrace when dumping core after an internal error Andrew Burgess
2021-07-27 18:54   ` [PATCHv2 0/6] GDB Synchronous Signal Handling Tom Tromey
2021-08-10  9:33   ` Andrew Burgess
2021-08-10 18:56     ` Pedro Alves

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