Re: [PATCH] ia32 support for NX when sigaction->sa_restorer == NULL

From: Arun Sharma <arun.sharma_at_intel.com>
Date: 2004-09-22 11:44:17
On 9/21/2004 2:56 PM, Andreas Schwab wrote:
> Arun Sharma <arun.sharma@intel.com> writes:
> 
>> When userland doesn't specify sigaction->sa_restorer, we try to put
>> the restorer code on the stack. But this breaks ia32 binaries with
>> non-executable stacks. We now put the restorer code on a gate page.
> 
> Does this work with nested signal handlers?

I don't see why not. The gate page is read-only.

	-Arun
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Received on Tue Sep 21 21:45:03 2004

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