Christopher Ferris d11ed86d65 Fix pc/function name for signal handler frame. ... This refactors the step function slightly to split it up into distinct pieces since the code needs to handle a signal handler versus normal step slightly differently. Add a new error for an invalid elf. Modify libbacktrace code to handle new error code. Bug: 130302288 Test: libbacktrace/libunwindstack unit tests. Change-Id: I3fb9b00c02d2cf2cc5911541bba0346c6f39b8e6		2019-04-12 17:23:18 -07:00
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backtrace	Fix pc/function name for signal handler frame.	2019-04-12 17:23:18 -07:00