From: Keith Seitz <keiths@redhat.com>
To: Kevin Buettner <kevinb@redhat.com>, gdb-patches@sourceware.org
Subject: Re: [PATCH 3/4] Provide access to non SEC_HAS_CONTENTS core file sections
Date: Wed, 25 Mar 2020 10:25:09 -0700 [thread overview]
Message-ID: <4f8f93e1-8cb6-9303-c038-d85218eb1990@redhat.com> (raw)
In-Reply-To: <20200305004243.334607-4-kevinb@redhat.com>
On 3/4/20 4:42 PM, Kevin Buettner wrote:
[snip excellent introduction to the problem]
> What we should be doing is this:
>
> - Attempt to access core file data for SEC_HAS_CONTENTS sections.
> - Attempt to access executable file data if the above fails.
> - Attempt to access core file data for non SEC_HAS_CONTENTS sections, if
> both of the above fail.
This is also the path that I was investigating. FWIW, I don't see
anything obviously `wrong' with the contents of the patch, but low-level
target operations are outside where I typically work.
Just one trivial request (again):
> gdb/ChangeLog:
>
+ PR corefiles/25631
> * corelow.c (class core_target): Add new field> m_core_no_contents_section_table.
> (core_target::core_target): Initialize
> m_core_no_contents_section_table.
> (core_target::~core_target): Free data structure associated
> with m_core_no_contents_section_table.
> (core_target::files_info): Print section info associated with
> m_core_no_contents_section_table.
> (core_target:xfer_partial): Revise TARGET_OBJECT_MEMORY case
> to consider the stratum beneath the core target as well as
> m_core_no_contents_section_table.
Keith
next prev parent reply other threads:[~2020-03-25 17:25 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-05 0:43 [PATCH 0/4] Fix BZ 25631 - core file memory access problem Kevin Buettner
2020-03-05 0:43 ` [PATCH 4/4] Test ability to access unwritten-to mmap data in core file Kevin Buettner
2020-03-25 17:25 ` Keith Seitz
2020-03-05 0:43 ` [PATCH 2/4] Add function for partitioning/splitting a section table Kevin Buettner
2020-03-25 17:25 ` Keith Seitz
2020-03-05 0:43 ` [PATCH 1/4] Remove hack for GDB which sets the section size to 0 Kevin Buettner
2020-03-18 16:28 ` Kevin Buettner
2020-05-04 18:09 ` Jan Kratochvil
2020-03-05 0:43 ` [PATCH 3/4] Provide access to non SEC_HAS_CONTENTS core file sections Kevin Buettner
2020-03-25 17:25 ` Keith Seitz [this message]
2020-03-29 13:18 ` Pedro Alves
2020-05-03 7:21 ` Kevin Buettner
2020-05-03 11:07 ` H.J. Lu
2020-05-03 19:06 ` Kevin Buettner
2020-05-12 8:40 ` Kevin Buettner
2020-05-13 17:44 ` Kevin Buettner
2020-05-20 12:05 ` Pedro Alves
2020-05-20 16:04 ` Pedro Alves
2020-03-18 16:29 ` [PATCH 0/4] Fix BZ 25631 - core file memory access problem Kevin Buettner
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