[llvm-branch-commits] [clang] [llvm] [clang] Implement function pointer signing and authenticated function calls (PR #93906)

[Akira Hatanaka via llvm-branch-commits]

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@@ -61,3 +79,28 @@ CodeGen::getConstantSignedPointer(CodeGenModule &CGM, llvm::Constant *Pointer,
   return CGM.getConstantSignedPointer(Pointer, Key, StorageAddress,
                                       OtherDiscriminator);
 }
+
+/// If applicable, sign a given constant function pointer with the ABI rules for
+/// functionType.
+llvm::Constant *CodeGenModule::getFunctionPointer(llvm::Constant *Pointer,
+                                                  QualType FunctionType,
+                                                  GlobalDecl GD) {
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ahatanak wrote:

No, it isn't. I've removed it. It will be needed when we add support for function-type based signing later.

https://github.com/llvm/llvm-project/pull/93906