[lld] [lld] Add thunks for hexagon (PR #111217)

[Fangrui Song via llvm-commits]

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@@ -351,6 +351,21 @@ class AVRThunk : public Thunk {
   void addSymbols(ThunkSection &isec) override;
 };
 
+// Hexagon CPUs need thunks for <<FIXME TBD>>
+// when their destination is out of range [0, 0x_?].
+class HexagonThunk : public Thunk {
+public:
+  HexagonThunk(Ctx &ctx, const InputSection &isec, Relocation &rel,
+               Symbol &dest)
+      : Thunk(ctx, dest, 0), RelOffset(rel.offset) {
+    alignment = 4;
+  }
+  uint32_t RelOffset;
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MaskRay wrote:

lowercase

https://github.com/llvm/llvm-project/pull/111217