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Re: [Qemu-devel] [Bug] qemu-sparc64 broken
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [Bug] qemu-sparc64 broken |
Date: |
Fri, 6 Sep 2013 16:15:32 +0100 |
On 6 September 2013 16:12, Richard Henderson <address@hidden> wrote:
> On 09/05/2013 09:53 PM, Stefan Weil wrote:
>> After lots of SIGSEGV, the program indeed finishes successfully,
>> so my report was wrong - SIGSEGV is not a fatal signal for sparc64.
>> That's interesting - thank you for this information.
>
> It's not just sparc64.
>
> That's changed page detection, for determining when to invalidate
> translation blocks. For self-modifying code, and more.
Yeah, but in practice sparc64 does this a huge number of
times on simple binaries in a way that other linux-user
guests I looked at just don't. Presumably it's just that
gcc has for some reason put writable data next to code
for that target.
-- PMM