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From: Simon Marchi <simon.marchi@polymtl.ca>
To: Tom de Vries <tdevries@suse.de>, gdb-patches@sourceware.org
Subject: Re: [PATCH 1/4] [gdb/symtab] Fix htab_find_slot call in read_call_site_scope
Date: Mon, 4 Oct 2021 12:34:39 -0400	[thread overview]
Message-ID: <e43a0595-fa85-4f78-7a59-42fc3d348682@polymtl.ca> (raw)
In-Reply-To: <6fbc3a03-fc42-8b14-4590-d60657e70446@suse.de>

> All find variants (with the explicit exception of
> find_empty_slot_for_expand) call eq_f on both an element argument and a
> hash table element.  Consequently, if we break first-field-type
> compatibility between the two, the element argument must be of the same
> type as the hash table element, and the eq function must use hash table
> element type.
> 
> This is not a future problem, this is an actual problem I ran into when
> I tried it out moving the pc to the second field position, and the
> problem is described in the commit log.

That makes sense.  I read the hashtab code wrong.

Simon

      reply	other threads:[~2021-10-04 16:34 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-01 12:33 Tom de Vries
2021-10-01 12:33 ` [PATCH 2/4] [gdb/symtab] Remove COMPUNIT_CALL_SITE_HTAB Tom de Vries
2021-10-01 13:13   ` Simon Marchi
2021-10-01 12:33 ` [PATCH 3/4] [gdb/symtab] Add call_site::pc () Tom de Vries
2021-10-01 18:10   ` Simon Marchi
2021-10-04 16:45     ` Tom de Vries
2021-10-01 12:33 ` [PATCH 4/4] [gdb/symtab] Use unrelocated addresses in call_site Tom de Vries
2021-10-01 20:56   ` Simon Marchi
2021-10-04 16:47     ` Tom de Vries
2021-10-01 13:09 ` [PATCH 1/4] [gdb/symtab] Fix htab_find_slot call in read_call_site_scope Simon Marchi
2021-10-03 19:34   ` Tom de Vries
2021-10-04 12:05     ` Simon Marchi
2021-10-04 12:46       ` Tom de Vries
2021-10-04 15:41         ` Simon Marchi
2021-10-04 16:14           ` Tom de Vries
2021-10-04 16:34             ` Simon Marchi [this message]

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