[libunwind] [libunwind] Add GCS support for AArch64 (PR #99335)
Daniel Kiss via cfe-commits
cfe-commits at lists.llvm.org
Mon Aug 5 08:04:42 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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DanielKristofKiss wrote:
If the application is compiled with BTI then `br x30` will cause an exception as it jumps to a non landing pad instruction.
(We only generate landing pads for `return-twice` locations but a normal `catch` block won't get it)
https://github.com/llvm/llvm-project/pull/99335
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