Messages in this thread | | | Date | Tue, 28 Apr 2015 14:16:06 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 1/2] x86, stackvalidate: Compile-time stack frame pointer validation |
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On Mon, Apr 27, 2015 at 08:56:27AM -0500, Josh Poimboeuf wrote: > Frame pointer based stack traces aren't always reliable. One big reason > is that most asm functions don't set up the frame pointer. > > Fix that by enforcing that all asm functions honor CONFIG_FRAME_POINTER. > This is done with a new stackvalidate host tool which is automatically > run for every compiled .S file and which validates that every asm > function does the proper frame pointer setup.
Would it make sense (maybe as an additional CONFIG_*_DEBUG thing) to also process the output of GCC with this tool? To both double check GCC and to give the tool more input?
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