Possible Workaround for "Couldn't Materialize Struct"
Possible Workaround for "Couldn't Materialize Struct"
- Subject: Possible Workaround for "Couldn't Materialize Struct"
- From: Jerry Krinock <email@hidden>
- Date: Wed, 15 Apr 2015 19:57:59 -0700
During the last year or so, lldb has been increasingly been giving me the dead—end “Couldn’t materialize struct” when I select an external framework (e.g. Apple) function in a call stack and try to print registers. Example:
(lldb) po $rdx
error: Couldn't materialize: couldn't read the value of register rdx
Errored out in Execute, couldn't PrepareToExecuteJITExpression
Today I was able to work around one of these by setting a symbolic breakpoint in the method of interest (so it’s now going to be at the top of the call stack) and executing the code again. po $rdx then printed my argument.
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