linux-kernel

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1ad8c70930530d4639a72e1c77d3904e@kernel.crashing.org>
Date:	Thu, 16 Aug 2007 03:38:43 +0200
From:	Segher Boessenkool <segher@...nel.crashing.org>
To:	Satyam Sharma <satyam@...radead.org>
Cc:	horms@...ge.net.au, Stefan Richter <stefanr@...6.in-berlin.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, ak@...e.de,
	netdev@...r.kernel.org, cfriesen@...tel.com,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	rpjday@...dspring.com, jesper.juhl@...il.com,
	linux-arch@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>, zlynx@....org,
	clameter@....com, schwidefsky@...ibm.com,
	Chris Snook <csnook@...hat.com>,
	Herbert Xu <herbert@...dor.apana.org.au>, davem@...emloft.net,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	wensong@...ux-vs.org, wjiang@...ilience.com
Subject: Re: 

>> "compilation unit" is a C standard term.  It typically boils down
>> to "single .c file".
>
> As you mentioned later, "single .c file with all the other files 
> (headers
> or other .c files) that it pulls in via #include" is actually 
> "translation
> unit", both in the C standard as well as gcc docs.

Yeah.  "single .c file after preprocessing".  Same thing :-)

> "Compilation unit"
> doesn't seem to be nearly as standard a term, though in most places it
> is indeed meant to be same as "translation unit", but with the new gcc
> inter-module-analysis stuff that you referred to above, I suspect one 
> may
> reasonably want to call a "compilation unit" as all that the compiler 
> sees
> at a given instant.

That would be a bit confusing, would it not?  They'd better find
some better name for that if they want to name it at all (remember,
none of these optimisations should have any effect on the semantics
of the program, you just get fewer .o files etc.).


Segher

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/