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From: Tom de Vries <tdevries@suse.de>
To: Tom Tromey <tom@tromey.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH v2 6/7] [gdb/tui] Handle section holes when forward disassembling
Date: Wed, 7 Oct 2026 11:45:38 +0200	[thread overview]
Message-ID: <91f75886-e7fd-4e38-8af2-c4b676a92089@suse.de> (raw)
In-Reply-To: <87tsnghsp8.fsf@tromey.com>

On 9/23/26 5:51 PM, Tom Tromey wrote:
>>>>>> "Tom" == Tom de Vries <tdevries@suse.de> writes:
> 
>>> I'm not sure this is the best test.  SEC_ALLOC can be set for data
>>> sections as well; e.g. from 'objdump -h' on gdb:
>>> 13 .rodata       00dc0acc  0000000001064d80  0000000001064d80
>>> 00c64d80  2**7
>>> CONTENTS, ALLOC, LOAD, READONLY, DATA
>>> Probably you want SEC_CODE or maybe SEC_ALLOC|SEC_CODE, though I
>>> don't
>>> know if you can ever have code that isn't also 'alloc' (like, what would
>>> be the point).
>>>
> 
> Tom> That was my approach in v1, but it got comments [1], so I'm leaving
> Tom> that for now.
> 
> I think there's a difference between having the "disassemble" command
> accept data addresses and show the disassembly, and the idea that paging
> through the code might also show data sections.
> 
> In the former case, gdb is doing something the user explicitly asked
> for.
> 
> In the latter case, though, gdb is probably just showing garbage.

I've submitted a v4 ( 
https://sourceware.org/pipermail/gdb-patches/2026-October/230915.html ) 
that includes an RFC patch that skips over data sections when scrolling.

Thanks,
- Tom

  reply	other threads:[~2026-10-07  9:46 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-09  9:48 [PATCH v2 0/7] [gdb/tui] Some section hole handling fixes Tom de Vries
2026-09-09  9:48 ` [PATCH v2 1/7] [gdb/tui] Improve tui_disassemble comment Tom de Vries
2026-09-09  9:48 ` [PATCH v2 2/7] [gdb/tui] Fix underflow in tui_find_backward_disassembly_start_address Tom de Vries
2026-09-11 18:12   ` Tom Tromey
2026-09-11 18:14     ` Tom Tromey
2026-09-09  9:48 ` [PATCH v2 3/7] [gdb/tui] Improve section handling " Tom de Vries
2026-09-11 18:26   ` Tom Tromey
2026-09-14  7:31     ` Tom de Vries
2026-09-19 16:01       ` Tom de Vries
2026-09-09  9:48 ` [PATCH v2 4/7] [gdb] replace bsearch with std::lower_bound in find_pc_section Tom de Vries
2026-09-11 18:19   ` Tom Tromey
2026-09-14  7:34     ` Tom de Vries
2026-09-09  9:48 ` [PATCH v2 5/7] [gdb] Add prev/next params to find_pc_section Tom de Vries
2026-09-11 18:40   ` Tom Tromey
2026-09-09  9:48 ` [PATCH v2 6/7] [gdb/tui] Handle section holes when forward disassembling Tom de Vries
2026-09-11 18:39   ` Tom Tromey
2026-09-21 21:29     ` Tom de Vries
2026-09-23 15:51       ` Tom Tromey
2026-10-07  9:45         ` Tom de Vries [this message]
2026-09-09  9:48 ` [PATCH v2 7/7] [gdb/tui] Handle section holes when backward disassembling Tom de Vries
2026-09-11 18:48   ` Tom Tromey
2026-09-19 21:45   ` Tom de Vries
2026-09-11 18:52 ` [PATCH v2 0/7] [gdb/tui] Some section hole handling fixes Tom Tromey

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