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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug breakpoints/21969] watchpoint break not triggered on reverse continue
Date: Wed, 06 Dec 2023 12:47:43 +0000 [thread overview]
Message-ID: <bug-21969-4717-w3YIHzgbpw@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-21969-4717@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=21969
--- Comment #2 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Hannes Domani <ssbssa@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=288363c1737f93e2f7cb8c06026c11a5ff77fb58
commit 288363c1737f93e2f7cb8c06026c11a5ff77fb58
Author: Hannes Domani <ssbssa@yahoo.de>
Date: Wed Dec 6 13:45:51 2023 +0100
Fix hardware watchpoints in replay mode
Changes introduced by commit 9e8915c6cee5c37637521b424d723e990e06d597
caused a regression that meant hardware watchpoint stops would not
trigger in reverse execution or replay mode. This was documented in
PR breakpoints/21969.
The problem is that record_check_stopped_by_breakpoint always overwrites
record_full_stop_reason, thus loosing the TARGET_STOPPED_BY_WATCHPOINT
value which would be checked afterwards.
This commit fixes that by not overwriting the stop-reason in
record_full_stop_reason if we're not stopped at a breakpoint.
And the test for hw watchpoints in gdb.reverse/watch-reverse.exp actually
tested sw watchpoints again, since "set can-use-hw-watchpoints 1"
doesn't convert enabled watchpoints to use hardware.
This is fixed by disabling said watchpoint while enabling hw watchpoints.
The same is not done for gdb.reverse/watch-precsave.exp, since it's not
possible to use hw watchpoints in restored recordings anyways.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=21969
Approved-by: Guinevere Larsen <blarsen@redhat.com>
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next prev parent reply other threads:[~2023-12-06 12:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-21969-4717@http.sourceware.org/bugzilla/>
2023-09-13 15:50 ` ssbssa at sourceware dot org
2023-12-06 12:47 ` cvs-commit at gcc dot gnu.org [this message]
2023-12-06 12:48 ` ssbssa at sourceware dot org
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