[llvm-branch-commits] [NFCI][ELF][AArch64][PAC] Teach addRelativeReloc to emit R_AARCH64_AUTH_RELATIVE (PR #171180)

[Daniil Kovalev via llvm-branch-commits]

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@@ -704,8 +704,10 @@ static void addRelativeReloc(Ctx &ctx, InputSectionBase &isec,
                              uint64_t offsetInSec, Symbol &sym, int64_t addend,
                              RelExpr expr, RelType type) {
   Partition &part = isec.getPartition(ctx);
+  bool isAArch64Auth =
+      ctx.arg.emachine == EM_AARCH64 && type == R_AARCH64_AUTH_ABS64;
 
-  if (sym.isTagged()) {
+  if (sym.isTagged() && !isAArch64Auth) {
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kovdan01 wrote:

> but suspect that the ptrauth and memtag ABIs are currently mutually-exclusive?

@smithp35 Could you please clarify what is the correct answer for the question above? I was only working on ptrauth and do not feel confident enough to reason about memtag with ptrauth combination :)

https://github.com/llvm/llvm-project/pull/171180