On Mon, Feb 12, 2018 at 12:52 PM Jason Molenda <jmole...@apple.com> wrote:
> > > > On Feb 12, 2018, at 12:48 PM, Zachary Turner via Phabricator < > revi...@reviews.llvm.org> wrote: > > > > zturner added a comment. > > > > In https://reviews.llvm.org/D43048#1005513, @jasonmolenda wrote: > > > > I don't think we'd necessarily need a live register context or stack > memory. A mock register context and stack memory should be sufficient, > with an emulator that understands only a handful of instructions. > > > That's ... exactly what I said? That we need to mock up memory and > registers and symbols, or have a corefile and binary, or have hand written > assembly routines that set up a particular stack and an SB API test that > tries to backtrace out of it with a live process. After the inferior > process state has been constructed/reconstituted, is the unwinder capable > of walking the stack or finding spilled registers by following the correct > UnwindPlans. This is right in the wheelhouse of SB API testing. > I'm saying we shouldn't need a live process (and in fact we can test it better if we don't rely on a live process, since we can write tests that run anywhere).
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