From: Andrew Cagney <ac131313@redhat.com>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Andrew Cagney <ac131313@redhat.com>,
Daniel Jacobowitz <drow@mvista.com>,
binutils@sources.redhat.com, gdb@sources.redhat.com
Subject: Re: A gdb+bfd string pool?
Date: Fri, 31 Oct 2003 17:45:00 -0000 [thread overview]
Message-ID: <3FA29F9E.9020104@redhat.com> (raw)
In-Reply-To: <20031031153157.GZ12344@sunsite.ms.mff.cuni.cz>
>>> Oh, you meant an _instance_, not a data structure. Sorry.
>
>>
>> More specifically, a single instance. Instead of having something like
>> a per-object file symbol bcache as was done with GDB, there would just
>> be a single global bcache (and it would never shrink).
>
>
> elf-strtab has a property which I'm not sure you really need in GDB,
> as it slow things down. It attempts to do suffix merging, ie. if you have
> p = "abcde" and q = "cde", r = "cde", s = "abcde" strings,
> then p = "abcde", q = p + 2, r = q, s = p. Storing strings in a hashtable
> is certainly cheaper for CPU time than this.
As best I could tell, the suffix merging was being done as a separate
pass so could be separated out?
Andrew
next prev parent reply other threads:[~2003-10-31 17:45 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-31 15:15 Andrew Cagney
2003-10-31 15:19 ` Daniel Jacobowitz
2003-10-31 15:45 ` Andrew Cagney
2003-10-31 15:51 ` Daniel Jacobowitz
2003-10-31 17:29 ` Andrew Cagney
2003-10-31 17:36 ` Jakub Jelinek
2003-10-31 17:45 ` Andrew Cagney [this message]
2003-11-03 17:25 ` David Carlton
2003-11-04 8:16 ` Joel Brobecker
2003-11-04 16:31 ` Andrew Cagney
2003-11-04 23:51 ` Andrew Cagney
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