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From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] linux-user/mmap.c query
Date: Fri, 24 Sep 2004 00:44:47 +0100	[thread overview]
Message-ID: <200409240044.47514.paul@codesourcery.com> (raw)
In-Reply-To: <20040922221648.GD11336@cray.fish.zetnet.co.uk>

On Wednesday 22 September 2004 23:16, cb-qemu@fish.zetnet.co.uk wrote:
> BTW, is it possible to run qemu-arm under gdb and get breakpoints working?
> When I try, gdb complains because the qemu binary is remapped somewhere
> else in the addres space.

Configure with --static.

> --- linux-user/mmap.c   5 Jul 2004 21:25:16 -0000       1.7
> +++ linux-user/mmap.c   22 Sep 2004 20:18:53 -0000
> @@ -182,7 +182,7 @@
>      }
>  #endif
>  
> -    if (offset & ~TARGET_PAGE_MASK)
> +    if (offset & ~TARGET_PAGE_MASK && 0)
>          return -EINVAL;
>  
>      len = TARGET_PAGE_ALIGN(len);

Isn't this just papering over the problem? What about the other places in that 
function which return -EINVAL?

Also the later code handles host misalignment, whereas this test if for target 
misalignment.

Paul

      reply	other threads:[~2004-09-23 23:51 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-22 22:16 [Qemu-devel] linux-user/mmap.c query cb-qemu
2004-09-23 23:44 ` Paul Brook [this message]

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