[lld] [lld] Refactor storage of PAuth ABI core info (PR #141920)

[Peter Smith via llvm-commits]

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@@ -344,20 +344,20 @@ void GnuPropertySection::writeTo(uint8_t *buf) {
     offset += 16;
   }
 
-  if (!ctx.aarch64PauthAbiCoreInfo.empty()) {
+  if (ctx.aarch64PauthAbiCoreInfo) {
     write32(ctx, buf + offset + 0, GNU_PROPERTY_AARCH64_FEATURE_PAUTH);
-    write32(ctx, buf + offset + 4, ctx.aarch64PauthAbiCoreInfo.size());
-    memcpy(buf + offset + 8, ctx.aarch64PauthAbiCoreInfo.data(),
-           ctx.aarch64PauthAbiCoreInfo.size());
+    write32(ctx, buf + offset + 4, AArch64PauthAbiCoreInfo::size());
+    write64(ctx, buf + offset + 8, ctx.aarch64PauthAbiCoreInfo->platform);
+    write64(ctx, buf + offset + 16, ctx.aarch64PauthAbiCoreInfo->version);
   }
 }
 
 size_t GnuPropertySection::getSize() const {
   uint32_t contentSize = 0;
   if (ctx.arg.andFeatures != 0)
     contentSize += ctx.arg.is64 ? 16 : 12;
-  if (!ctx.aarch64PauthAbiCoreInfo.empty())
-    contentSize += 4 + 4 + ctx.aarch64PauthAbiCoreInfo.size();
+  if (ctx.aarch64PauthAbiCoreInfo)
+    contentSize += 4 + 4 + sizeof(uint64_t) * 2;
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smithp35 wrote:

Use AArch64PauthAbiCoreInfo::size() here?

https://github.com/llvm/llvm-project/pull/141920