[lld] [llvm] [lld][AArch64][Build Attributes] Add support for AArch64 Build Attributes (PR #144082)

[Peter Smith via llvm-commits]

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@@ -537,6 +538,52 @@ uint32_t ObjFile<ELFT>::getSectionIndex(const Elf_Sym &sym) const {
       this);
 }
 
+template <class ELFT>
+static void
+handleAArch64BAAndGnuProperties(ObjFile<ELFT> *file, Ctx &ctx, bool hasGP,
+                                const AArch64BuildAttrSubsections &baInfo,
+                                const GnuPropertiesInfo &gpInfo) {
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smithp35 wrote:

They are only assigned when `hasGP` is false, and gpInfo is not used to do the assigning, only baInfo.

I'm talking about the case when `hasGP` is true, and we check that `gpInfo` matches the `baInfo`. In this case can we just check the `baInfo` against the file?

https://github.com/llvm/llvm-project/pull/144082