[PATCH] D148499: [libunwind] Unwind through Linux riscv64 sigreturn frame

[Fangrui Song via Phabricator via llvm-commits]

MaskRay accepted this revision.
MaskRay added a comment.
This revision is now accepted and ready to land.

LGTM.



================
Comment at: libunwind/src/UnwindCursor.hpp:2843
+  // A signal frame will have a return address pointing to
+  // __vdso_rt_sigteturn. This code is hardwired as:
+  //
----------------
This is `__vdso_rt_sigreturn`, not `__vdso_rt_sigteturn`. I'll fix it.

The canonical term is `sigreturn trampoline` (used the most in the Linux kernel), not signal frame.


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  https://reviews.llvm.org/D148499/new/

https://reviews.llvm.org/D148499