[PATCH] D158655: [libunwind][AIX] Fix problem with stepping up from a leaf function when unwinding started in a signal handler

[Xing Xue via Phabricator via llvm-commits]

xingxue updated this revision to Diff 553541.
xingxue marked 4 inline comments as done.
xingxue added a comment.

Addressed comments:

- removed mentioning of buying stack frame in a code comment
- added `if (!lastStack)` and under the condition, set `returnAddress` to NULL
- removed condition `TBTable->tb.saves_lr || !lastStack` when restoring SP
- added code to initialize the LR value in context to 0


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D158655/new/

https://reviews.llvm.org/D158655

Files:
  libunwind/src/Registers.hpp
  libunwind/src/UnwindCursor.hpp
  libunwind/src/UnwindRegistersSave.S
  libunwind/test/aix_signal_unwind.pass.cpp

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