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From: Linus Torvalds <torvalds@transmeta.com>
To: Richard Henderson <rth@twiddle.net>
Cc: <linux-kernel@vger.kernel.org>
Subject: Re: Why Plan 9 C compilers don't have asm("")
Date: Sun, 22 Jul 2001 12:08:12 -0700 (PDT)	[thread overview]
Message-ID: <Pine.LNX.4.33.0107221159400.12342-100000@penguin.transmeta.com> (raw)
In-Reply-To: <20010722085330.A7735@twiddle.net>


On Sun, 22 Jul 2001, Richard Henderson wrote:
>
> Hmm.  Yes, that could work.  We'd still be changing the ABI, since
> the original source "bsr foo" would really mean "bsr foo+skip ldgp".
> But perhaps one that wouldn't matter for all practical purposes.

Ahh.. Well, that would be more of a linker relocation ABI change, not
really a run-time ABI change. And as it needs a new relocation type
anyway, because of the overflow case (I assume the current .rel20
complains loudly when it overflows, right?), this should be ok.

And the code to jump over ldgp obviously exists already if there's a
"-relax" linker option.

		Linus


  reply	other threads:[~2001-07-22 19:09 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-07-04  3:37 Why Plan 9 C compilers don't have asm("") Rick Hohensee
2001-07-04  3:36 ` Olivier Galibert
2001-07-04  6:24   ` Cort Dougan
2001-07-04  8:03     ` H. Peter Anvin
2001-07-04 17:22     ` Linus Torvalds
2001-07-06  8:38       ` Cort Dougan
2001-07-06 18:44         ` Linus Torvalds
2001-07-06 20:02           ` Cort Dougan
2001-07-08 21:55           ` Victor Yodaiken
2001-07-08 22:28             ` Alan Cox
2001-07-09  1:22             ` Johan Kullstam
2001-07-08 22:29           ` David S. Miller
2001-07-06 11:43       ` David S. Miller
2001-07-21 22:10       ` Richard Henderson
2001-07-22  3:43         ` Linus Torvalds
2001-07-22  3:59           ` Mike Castle
2001-07-22  6:49           ` Richard Henderson
2001-07-22  7:44             ` Linus Torvalds
2001-07-22 15:53               ` Richard Henderson
2001-07-22 19:08                 ` Linus Torvalds [this message]
2001-07-04  7:15 ` pazke
2001-07-04 17:32 ` Don't feed the trooll [offtopic] " Ben LaHaise
2001-07-05  1:02 ` Michael Meissner
2001-07-05  1:54   ` Rick Hohensee
2001-07-05 16:54     ` Michael Meissner
2001-07-04 10:10 Rick Hohensee
2001-07-05  3:26 Rick Hohensee
2001-07-06 17:24 Rick Hohensee
2001-07-06 23:54 ` David S. Miller
2001-07-07  0:16   ` H. Peter Anvin
2001-07-07  0:37   ` David S. Miller
2001-07-07  6:16 Rick Hohensee
     [not found] <mailman.994629840.17424.linux-kernel2news@redhat.com>
2001-07-09  0:08 ` Pete Zaitcev
2001-07-09  0:28   ` Victor Yodaiken
2001-07-09  3:03 Rick Hohensee
2001-07-23  4:39 Rick Hohensee

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