a09c4a6ff2
The linker was modified so that a shared library has a read-only map, then a read-execute map to represent the whole shared library. When backtraces are created, then the offsets are set incorrectly for backtraces. For example, all backtraces wind up with an offset now, and a shared library loaded out of an apk shows the wrong offset. Changes: - Fix the FormatFrame function which was putting the offset before the map name. - Refactor the Maps and MapInfo classes to keep track of the previous map instead of all maps. This was the only map that was ever needed. - Modify the unwind_for_offline tool to capture both the read-only and read-execute map when using the read-only segment option. Bug: 120981155 Test: Updated unit tests pass. Test: Unwinds on device don't show the offsets everywhere any more. Change-Id: I75b3727221be9c20316dfdcd7a1c6d242d7ce948 |
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