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From: Simon Marchi <simark@simark.ca>
To: Pedro Alves <pedro@palves.net>,
	Simon Marchi <simon.marchi@efficios.com>,
	 gdb-patches@sourceware.org
Cc: Laurent <Laurent.Morichetti@amd.com>
Subject: Re: [PATCH 4/4] gdb: change regcache list to be a map
Date: Thu, 30 Jul 2020 13:07:52 -0400	[thread overview]
Message-ID: <4d1e050a-0ce4-5e76-afd7-87497f92f1fa@simark.ca> (raw)
In-Reply-To: <82d8b01a-2b37-0b79-f657-1081375270ee@simark.ca>

On 2020-07-30 12:58 p.m., Simon Marchi wrote:
> Huh, I did that because there's no std::hash overload for uintptr_t.  But
> I just saw there is:
> 
>   template< class T > struct hash<T*>;
> 
> which seems to be for hashing pointers.  It is implemented as:
> 
>   return reinterpret_cast<size_t>(__p);
> 
> So I'll just use that.  Otherwise, htab_hash_pointer would be good too.

And I just realized that it makes sense for this to exist, since you can use
pointers as keys in a map without doing anything special.

Simon

  parent reply	other threads:[~2020-07-30 17:07 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-20 20:40 [PATCH 0/4] Regcache fix and optimization Simon Marchi
2020-07-20 20:40 ` [PATCH 1/4] gdb: rename regcache::current_regcache to regcache::regcaches Simon Marchi
2020-07-23 20:01   ` Pedro Alves
2020-07-20 20:40 ` [PATCH 2/4] gdb: move regcache::regcaches to regcache.c Simon Marchi
2020-07-23 20:03   ` Pedro Alves
2020-07-20 20:41 ` [PATCH 3/4] gdb: pass target to thread_ptid_changed observable Simon Marchi
2020-07-23 20:42   ` Pedro Alves
2020-07-30 15:27     ` Simon Marchi
2020-08-05 14:50       ` Pedro Alves
2020-08-05 19:08         ` Simon Marchi
2020-08-05 22:29           ` Pedro Alves
2020-07-20 20:41 ` [PATCH 4/4] gdb: change regcache list to be a map Simon Marchi
2020-07-24  1:53   ` Pedro Alves
2020-07-24 16:59     ` John Baldwin
2020-07-30 16:26       ` Simon Marchi
2020-07-30 16:58     ` Simon Marchi
2020-07-30 17:03       ` Simon Marchi
2020-08-05 18:02         ` Pedro Alves
2020-08-05 20:25           ` Simon Marchi
2020-07-30 17:07       ` Simon Marchi [this message]
2020-07-30 18:17     ` Simon Marchi
2020-08-05 18:14       ` Pedro Alves
2020-08-10 19:15   ` Tom Tromey
2020-08-10 19:25     ` Simon Marchi
2020-08-12 12:52   ` Tom Tromey
2020-08-12 15:17     ` Tom Tromey
2020-08-06 20:27 ` [PATCH 0/4] Regcache fix and optimization Simon Marchi

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