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Re: [PATCH 0/7 V2] Trust readonly sections if target has memory protection
- From: Pedro Alves <palves at redhat dot com>
- Cc: Yao Qi <yao at codesourcery dot com>, Mark Kettenis <mark dot kettenis at xs4all dot nl>, gdb-patches at sourceware dot org
- Date: Mon, 30 Sep 2013 19:08:28 +0100
- Subject: Re: [PATCH 0/7 V2] Trust readonly sections if target has memory protection
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- References: <1378432920-7731-1-git-send-email-yao at codesourcery dot com> <1378641807-24256-1-git-send-email-yao at codesourcery dot com> <201309091916 dot r89JGbpf009986 at glazunov dot sibelius dot xs4all dot nl> <522E9A8A dot 7040509 at codesourcery dot com> <52317B66 dot 3020602 at codesourcery dot com> <201309120949 dot r8C9nFsJ016506 at glazunov dot sibelius dot xs4all dot nl> <5232C9EC dot 2040707 at codesourcery dot com> <5249B9F9 dot 4030901 at redhat dot com>
On 09/30/2013 06:50 PM, Pedro Alves wrote:
> But in cases like disassembly, we're being driven by debug
> info or user input. As GDB knows upfront the whole range of memory it'll
> be fetching, accessing a bigger chunk upfront, as long as it doesn't
> step out of the range we read piecemeal anyway, should have no effect
> on correctness.
Hmm, wait, I'm having a a dÃjà vu experience. I recalled I have
once reviewed a patch that does exactly this. But, I'm not finding
it in the tree, or in the archives. Maybe it was a CS local patch
that was never pushed?
--
Pedro Alves