[libunwind] [libunwind] Add GCS support for AArch64 (PR #99335)

John Brawn via cfe-commits cfe-commits at lists.llvm.org
Wed Aug 7 03:47:20 PDT 2024


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@@ -680,7 +680,7 @@ DEFINE_LIBUNWIND_FUNCTION(__libunwind_Registers_arm64_jumpto)
   ldr    x16,     [x0, #0x0F8]
   ldp    x0, x1,  [x0, #0x000]  // restore x0,x1
   mov    sp,x16                 // restore sp
-  ret    x30                    // jump to pc
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john-brawn-arm wrote:

Yes you're right, and actually the way I've adjusted __unw_phase2_resume also means we need to change the BTI instruction in __libunwind_Registers_arm64_jumpto to BTI JC. I'll fix this.

https://github.com/llvm/llvm-project/pull/99335


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