1 files changed, 30 insertions, 10 deletions
diff --git a/lld/ELF/SyntheticSections.cpp b/lld/ELF/SyntheticSections.cpp
index d4dc713b4e27..4427a1200868 100644
--- a/lld/ELF/SyntheticSections.cpp
+++ b/lld/ELF/SyntheticSections.cpp
@@ -314,22 +314,42 @@ GnuPropertySection::GnuPropertySection()
                        config->wordsize, ".note.gnu.property") {}
 
 void GnuPropertySection::writeTo(uint8_t *buf) {
+  write32(buf, 4);                          // Name size
+  write32(buf + 4, getSize() - 16);         // Content size
+  write32(buf + 8, NT_GNU_PROPERTY_TYPE_0); // Type
+  memcpy(buf + 12, "GNU", 4);               // Name string
+
   uint32_t featureAndType = config->emachine == EM_AARCH64
                                 ? GNU_PROPERTY_AARCH64_FEATURE_1_AND
                                 : GNU_PROPERTY_X86_FEATURE_1_AND;
 
-  write32(buf, 4);                                   // Name size
-  write32(buf + 4, config->is64 ? 16 : 12);          // Content size
-  write32(buf + 8, NT_GNU_PROPERTY_TYPE_0);          // Type
-  memcpy(buf + 12, "GNU", 4);                        // Name string
-  write32(buf + 16, featureAndType);                 // Feature type
-  write32(buf + 20, 4);                              // Feature size
-  write32(buf + 24, config->andFeatures);            // Feature flags
-  if (config->is64)
-    write32(buf + 28, 0); // Padding
+  unsigned offset = 16;
+  if (config->andFeatures != 0) {
+    write32(buf + offset + 0, featureAndType);      // Feature type
+    write32(buf + offset + 4, 4);                   // Feature size
+    write32(buf + offset + 8, config->andFeatures); // Feature flags
+    if (config->is64)
+      write32(buf + offset + 12, 0); // Padding
+    offset += 16;
+  }
+
+  if (!ctx.aarch64PauthAbiCoreInfo.empty()) {
+    write32(buf + offset + 0, GNU_PROPERTY_AARCH64_FEATURE_PAUTH);
+    write32(buf + offset + 4, ctx.aarch64PauthAbiCoreInfo.size());
+    memcpy(buf + offset + 8, ctx.aarch64PauthAbiCoreInfo.data(),
+           ctx.aarch64PauthAbiCoreInfo.size());
+  }
 }
 
-size_t GnuPropertySection::getSize() const { return config->is64 ? 32 : 28; }
+size_t GnuPropertySection::getSize() const {
+  uint32_t contentSize = 0;
+  if (config->andFeatures != 0)
+    contentSize += config->is64 ? 16 : 12;
+  if (!ctx.aarch64PauthAbiCoreInfo.empty())
+    contentSize += 4 + 4 + ctx.aarch64PauthAbiCoreInfo.size();
+  assert(contentSize != 0);
+  return contentSize + 16;
+}
 
 BuildIdSection::BuildIdSection()
     : SyntheticSection(SHF_ALLOC, SHT_NOTE, 4, ".note.gnu.build-id"),