From 96449907a538b78c402696d94fe47bb3f96d543c Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Wed, 10 Feb 2016 16:26:31 +0000
Subject: [PATCH] Add support for R_X86_64_DTPOFF64.

It is used by clang to produce debug info for tls variables.

llvm-svn: 260384
---
 lld/ELF/Target.cpp         | 3 +++
 lld/test/ELF/tls-dynamic.s | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/lld/ELF/Target.cpp b/lld/ELF/Target.cpp
index 524c705dd0f5..db381a63c0fd 100644
--- a/lld/ELF/Target.cpp
+++ b/lld/ELF/Target.cpp
@@ -872,6 +872,9 @@ void X86_64TargetInfo::relocateOne(uint8_t *Loc, uint8_t *BufEnd, uint32_t Type,
   case R_X86_64_DTPOFF32:
     write32le(Loc, SA);
     break;
+  case R_X86_64_DTPOFF64:
+    write64le(Loc, SA);
+    break;
   case R_X86_64_GOTPCREL:
   case R_X86_64_PC32:
   case R_X86_64_PLT32:
diff --git a/lld/test/ELF/tls-dynamic.s b/lld/test/ELF/tls-dynamic.s
index b6ae6da61bb2..647ab06dceac 100644
--- a/lld/test/ELF/tls-dynamic.s
+++ b/lld/test/ELF/tls-dynamic.s
@@ -18,6 +18,9 @@
   // Initial Exec Model Code Sequence, II
   movq c@gottpoff(%rip),%rax
   movq %fs:(%rax),%rax
+  movabs $a@dtpoff, %rax
+  movabs $b@dtpoff, %rax
+  movabs $c@dtpoff, %rax
 
   .global a
   .hidden a
@@ -79,3 +82,6 @@ c:
 // DIS-NEXT:     103b: {{.+}} leaq    8(%rax), %rcx
 // DIS-NEXT:     1042: {{.+}} movq    4263(%rip), %rax
 // DIS-NEXT:     1049: {{.+}} movq    %fs:(%rax), %rax
+// DIS-NEXT:     104d: {{.+}} movabsq $0, %rax
+// DIS-NEXT:     1057: {{.+}} movabsq $4, %rax
+// DIS-NEXT:     1061: {{.+}} movabsq $8, %rax