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From: Pedro Alves <pedro@palves.net>
To: Simon Marchi <simon.marchi@polymtl.ca>,
	John Baldwin <jhb@FreeBSD.org>,
	gdb-patches@sourceware.org
Subject: Re: [PATCH] gdb: fix auxv caching
Date: Tue, 11 Oct 2022 21:31:40 +0100	[thread overview]
Message-ID: <fa8e6a88-9280-9965-648c-754972ce0ce2@palves.net> (raw)
In-Reply-To: <ba1a461c-c276-9c74-eeea-9a0c0ce0e943@polymtl.ca>

On 2022-10-09 1:39 a.m., Simon Marchi via Gdb-patches wrote:
> 
>> I think this approach is fine.  Having two variants of target_read_auxv is
>> a bit verbose, and I'm not sure it's abundantly clear to a new person when
>> to use one vs the other.  That said, these are used rarely, so probably
>> will intuit the right thing by looking at existing uses.  I agree with the
>> idea that the auxv reads during gdbarch_core_read_description should
>> effectively all be "raw" and uncached.
> 
> The second one is perhaps not essential, call sites could call
> 
>   target_read_alloc (ops, TARGET_OBJECT_AUXV, NULL)
> 
> themselves.  But I find it convenient to have this little wrapper.
> 
> As to how to know which overload to call, perhaps that can be improved
> with better documentation and comments.  I'm not sure what to add
> though, the problem is so fresh in my mind that it's obvious to me.  So
> I'm open to suggestions.

Maybe call the one that works with the cache, target_read_auxv_cached ?

Two overloads that do different things is a sign that they shouldn't be
overloads, to me.

  parent reply	other threads:[~2022-10-11 20:31 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-19 14:45 [PATCH] Update auxv cache when there is no auxv cached data Luis Machado
2022-07-25  9:42 ` [PING][PATCH] " Luis Machado
2022-07-25 16:05 ` [PATCH] " John Baldwin
2022-07-25 18:03   ` Luis Machado
2022-07-25 19:13     ` John Baldwin
2022-08-02 15:05       ` Luis Machado
2022-08-02 16:05         ` John Baldwin
2022-08-05 15:46 ` [PATCH] Update auxv cache when inferior pid is 0 (no inferior) Luis Machado
2022-08-11  9:05   ` [PING][PATCH] " Luis Machado
2022-08-18 15:48   ` Luis Machado
2022-09-01  9:29   ` Luis Machado
2022-09-07  8:20   ` Luis Machado
2022-09-12 12:48   ` Luis Machado
2022-09-12 13:30   ` [PATCH] " Simon Marchi
2022-09-12 13:53     ` John Baldwin
2022-09-12 13:59       ` Luis Machado
2022-09-20 12:28 ` [PATCH] Invalidate auxv cache before creating a core target Luis Machado
2022-09-20 17:49   ` John Baldwin
2022-10-07 20:44   ` [PATCH] gdb: fix auxv caching Simon Marchi
2022-10-07 21:43     ` John Baldwin
2022-10-09  0:39       ` Simon Marchi
2022-10-10 18:32         ` John Baldwin
2022-10-11 17:52           ` Simon Marchi
2022-10-11 20:31         ` Pedro Alves [this message]
2022-10-11 20:34           ` Pedro Alves
2022-10-11 20:42             ` John Baldwin
2022-10-12  1:11               ` Simon Marchi
2022-10-10  9:33     ` Luis Machado
2022-10-11 17:53       ` Simon Marchi

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