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Re: memory mapped i/o?

To: David Brownell <david-b at pacbell dot net>
Subject: Re: memory mapped i/o?
From: Tom Tromey <tromey at redhat dot com>
Date: 15 Dec 2000 16:01:52 -0700
Cc: Bryce McKinlay <bryce at albatross dot co dot nz>, "Boehm, Hans" <hans_boehm at hp dot com>, Jeff Sturm <jsturm at detroit dot appnet dot com>, java-discuss at sources dot redhat dot com
References: <3A2C1094.AD73A18F@pacbell.net> <3A2C1440.1D0C366@detroit.appnet.com> <018501c05e01$84a8b100$6600000a@brownell.org> <3A2C4BD9.86EF5423@albatross.co.nz> <005701c066b0$45d5f160$6600000a@brownell.org> <87k891qsga.fsf@creche.redhat.com> <00ff01c066e3$5de6f3c0$6600000a@brownell.org>
Reply-To: tromey at redhat dot com

>>>>> "David" == David Brownell <david-b@pacbell.net> writes:

David> I can see needing a different data type (array is a jbyteArray)
David> and vtable, but nothing related to alignment seems obvious.

David> The "data" is already maximally aligned (page boundary), and must
David> be ... are you saying that there's something about the GCJ ABI
David> gives additional alignment requirements for that array header?

The array data must be at the correct alignment for its type.  This
means that the space between the array header and the array data can
vary by type.

Tom

References:
- memory mapped i/o?
  - From: David Brownell
- Re: memory mapped i/o?
  - From: Jeff Sturm
- Re: memory mapped i/o?
  - From: David Brownell
- Re: memory mapped i/o?
  - From: Bryce McKinlay
- Re: memory mapped i/o?
  - From: David Brownell
- Re: memory mapped i/o?
  - From: Tom Tromey
- Re: memory mapped i/o?
  - From: David Brownell

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