Messages in this thread | | | Date | Mon, 29 Aug 2022 21:48:11 -0700 | From | Josh Poimboeuf <> | Subject | Re: [PATCH] x86/sev: Mark snp_abort() noreturn |
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On Thu, Aug 25, 2022 at 01:12:42PM +0000, David Laight wrote: > ... > > Objtool follows control flow. As you said above, noreturn functions > > behave differently and code-gen after a call to a noreturn function > > stops. > > Thinks.... > > How near is objtool to outputting a list of functions and the > stack offset at which they call something else?
It basically already does this.
> With the 'magic numbers' to track indirect jumps that is very > nearly enough information to do full static stack depth checking.
What do you mean by 'magic numbers'?
-- Josh
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