[PATCH] D96901: [libunwind] Add support for PC reg column in arm64

Marco Vanotti via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Feb 17 18:47:29 PST 2021


charco added a comment.

In D96901#2570327 <https://reviews.llvm.org/D96901#2570327>, @joerg wrote:

> Registers_arm64::jumpto in UnwindRegistersRestore.S.

Isn't that code filling x30 with the `__pc` register?

Line 587 says: `  ldr    x30,     [x0, #0x100]  // restore pc into lr`

And offset #0x100 is `__pc`


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  https://reviews.llvm.org/D96901/new/

https://reviews.llvm.org/D96901



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