From a0a38e1e84a5e387c063d83c48b52905b1107c3a Mon Sep 17 00:00:00 2001
From: Gunnar Beutner <gbeutner@serenityos.org>
Date: Sat, 3 Jul 2021 00:50:03 +0200
Subject: [PATCH] LibELF: Implement TLS relocation support for x86_64

---
 Userland/Libraries/LibELF/DynamicLoader.cpp | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/Userland/Libraries/LibELF/DynamicLoader.cpp b/Userland/Libraries/LibELF/DynamicLoader.cpp
index b09621490b..550e5a632d 100644
--- a/Userland/Libraries/LibELF/DynamicLoader.cpp
+++ b/Userland/Libraries/LibELF/DynamicLoader.cpp
@@ -478,6 +478,9 @@ DynamicLoader::RelocationResult DynamicLoader::do_relocation(const ELF::DynamicO
 #ifndef __LP64__
     case R_386_TLS_TPOFF32:
     case R_386_TLS_TPOFF: {
+#else
+    case R_X86_64_TPOFF64: {
+#endif
         auto symbol = relocation.symbol();
         // For some reason, LibC has a R_386_TLS_TPOFF that refers to the undefined symbol.. huh
         if (relocation.symbol_index() == 0)
@@ -490,12 +493,6 @@ DynamicLoader::RelocationResult DynamicLoader::do_relocation(const ELF::DynamicO
         *patch_ptr = negative_offset_from_tls_block_end(res.value().value, dynamic_object_of_symbol->tls_offset().value(), res.value().size);
         break;
     }
-#else
-    case R_X86_64_TPOFF64:
-        dbgln("FIXME: Patched R_X86_64_TPOFF64 relocation with invalid ptr.");
-        *patch_ptr = 0xaaaaaaaaaaaaaaaa;
-        break;
-#endif
 #ifndef __LP64__
     case R_386_JMP_SLOT: {
 #else