Christopher Ferris 2fcf4cf13e Add error propagation into Unwinder/Elf objects. ... The backtrace offline code uses these error codes to diagnose errors. In addtion, I've had cases where seeing these errors would help diagnose failures. This also allows us to add a few features to indicate why an unwind terminated (such as max frames exceeded). Bug: 65682279 Test: Updated unit tests pass. Change-Id: If82b5092698e8a194016d670efff1320f9b44d50		2018-01-24 17:50:46 -08:00
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unwindstack	Add error propagation into Unwinder/Elf objects.	2018-01-24 17:50:46 -08:00