[libunwind] [libunwind] [SEH] Implement parsing of ARM pdata/xdata (PR #137950)

[Martin Storsjö via cfe-commits]

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@@ -2064,6 +2077,51 @@ bool UnwindCursor<A, R>::getInfoFromSEH(pint_t pc) {
       }
     }
   }
+#elif defined(_LIBUNWIND_TARGET_ARM)
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mstorsjo wrote:

Sounds like a good idea; I updated this PR to share/reuse the aarch64 code for ARM too.

https://github.com/llvm/llvm-project/pull/137950