From: Tom de Vries <tdevries@suse.de>
To: Tom Tromey <tom@tromey.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH v2 4/7] [gdb] replace bsearch with std::lower_bound in find_pc_section
Date: Mon, 14 Sep 2026 09:34:40 +0200 [thread overview]
Message-ID: <ebfa66f0-98f5-49df-9206-ce635b79165d@suse.de> (raw)
In-Reply-To: <87tsnvy7jk.fsf@tromey.com>
On 9/11/26 8:19 PM, Tom Tromey wrote:
>>>>>> "Tom" == Tom de Vries <tdevries@suse.de> writes:
>
> Tom> In find_pc_section, we use bsearch to find a matching section. This works
> Tom> fine, but in case the pc matches a section hole, it returns nullptr, with no
> Tom> information about where the section hole is.
>
> Tom> Instead, use std::lower_bound.
>
> Tom> + /* The std::lower_bound call returns the first section which is not ordered
> Tom> + before pc. That section may or may not contain pc. */
> Tom> + if (it != data.cend ()
> Tom> + && (*it)->addr () <= pc && pc < (*it)->endaddr ())
>
> Could this use (*it)->contains?
Yes, that works.
Thanks,
- Tom
>
> Tom
next prev parent reply other threads:[~2026-09-14 7:35 UTC|newest]
Thread overview: 18+ 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
2026-09-09 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 [this message]
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
2026-09-09 9:48 ` [PATCH v2 7/7] [gdb/tui] Handle section holes when backward disassembling Tom de Vries
2026-09-11 18:48 ` Tom Tromey
2026-09-11 18:52 ` [PATCH v2 0/7] [gdb/tui] Some section hole handling fixes Tom Tromey
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