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authorSim Sun <sunsj1231@gmail.com>2020-01-14 21:48:37 -0800
committerJoshua Peraza <jperaza@chromium.org>2020-01-21 16:57:57 +0000
commit13c1568702e8804bc3ebcfbb435a2786a3e335cf (patch)
tree3787cd4d2a2b2f510acd6565f1635883ea8ea8c5 /src/common/memory_range_unittest.cc
parentExtract the exception record from the minidump (diff)
downloadbreakpad-13c1568702e8804bc3ebcfbb435a2786a3e335cf.tar.xz
arm64: recover register X30(LR) when fallback to frame pointer unwinder
Stackwalk can't recover caller's register X30($LR) value by STACK CFI info. This will lead unwinding stop immediately when fallback to frame pointer unwinder. This PR will use try to use second last frame to recover register X30($LR) by frame pointer. And we will give up correction if STACK CFI info doesn't agree with frame pointer info. Bug: https://bugs.chromium.org/p/google-breakpad/issues/detail?id=808 Change-Id: I50649e3398e268b02ff297e83db21d05705c2a2d Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/1992641 Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Diffstat (limited to 'src/common/memory_range_unittest.cc')
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