[Lldb-commits] [PATCH] D71372: [lldb] Add additional validation on return address in 'thread step-out'
Ted Woodward via Phabricator via lldb-commits
lldb-commits at lists.llvm.org
Thu Jan 9 14:37:49 PST 2020
ted added a comment.
In D71372#1811594 <https://reviews.llvm.org/D71372#1811594>, @labath wrote:
> In D71372#1810687 <https://reviews.llvm.org/D71372#1810687>, @ted wrote:
>
> > I've got another failure case for this. If the remote gdbserver doesn't implement qMemoryRegionInfo or qXfer:memory-map:read, thread step-out will fail.
> > ....
>
>
> That's a good point Ted. I think we should give targets which don't support fetching permissions the benefit of the doubt, and treat all memory as potentially executable. Would removing the `return` statement from the `if(!GetLoadAddressPermissions)` branch solve your problem? If so, can you whip up a patch for that?
Removing the return statement fixes the issue. I'll put up a patch. Keeping the m_constructor_errors.Printf line doesn't cause a failure; it might be useful to keep that in case the breakpoint can't be created for other reasons. What do you think?
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https://reviews.llvm.org/D71372/new/
https://reviews.llvm.org/D71372
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