From d8ff15e27741a05f2fee1a27b913773070158436 Mon Sep 17 00:00:00 2001
From: Kalamatee <kalamatee@gmail.com>
Date: Tue, 25 Feb 2020 12:55:25 +0000
Subject: [PATCH] handle R_X86_64_PC64 relocations (llvm generates them)

---
 bootstrap/elfloader.c         | 6 +++++-
 compiler/include/dos/elf.h    | 3 ++-
 rom/dos/internalloadseg_elf.c | 4 ++++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/bootstrap/elfloader.c b/bootstrap/elfloader.c
index 3a2a381e3c..893434d6f3 100644
--- a/bootstrap/elfloader.c
+++ b/bootstrap/elfloader.c
@@ -1,5 +1,5 @@
 /*
- Copyright (C) 2006-2019 The AROS Development Team. All rights reserved.
+ Copyright (C) 2006-2020 The AROS Development Team. All rights reserved.
  $Id$
  
  Desc: ELF loader extracted from our internal_load_seg_elf in dos.library.
@@ -239,6 +239,10 @@ static int relocate(struct elfheader *eh, struct sheader *sh, long shrel_idx, el
             *(int32_t *)p = (int64_t)s + (int64_t)rel->addend;
             break;
 
+        case R_X86_64_PC64:
+            *(uint64_t *)p = (uint64_t)s + (uint64_t)rel->addend - (uint64_t) p;
+            break;
+
         case R_X86_64_NONE: /* No reloc */
             break;
 #else
diff --git a/compiler/include/dos/elf.h b/compiler/include/dos/elf.h
index 9a40879246..24acaec40d 100644
--- a/compiler/include/dos/elf.h
+++ b/compiler/include/dos/elf.h
@@ -2,7 +2,7 @@
 #define DOS_ELF_H
 
 /*
-    Copyright (C) 1995-2019, The AROS Development Team. All rights reserved.
+    Copyright (C) 1995-2020, The AROS Development Team. All rights reserved.
     $Id$
 
     Desc: Definition of ELF file structures.
@@ -67,6 +67,7 @@
 #define R_X86_64_PLT32  4
 #define R_X86_64_32     10
 #define R_X86_64_32S    11
+#define R_X86_64_PC64   24
 
 #define R_68K_NONE      0
 #define R_68K_32        1
diff --git a/rom/dos/internalloadseg_elf.c b/rom/dos/internalloadseg_elf.c
index 126661fa24..766e42b650 100644
--- a/rom/dos/internalloadseg_elf.c
+++ b/rom/dos/internalloadseg_elf.c
@@ -419,6 +419,10 @@ static int relocate
                 *(LONG *)p = (QUAD)s + (QUAD)rel->addend;
                 break;
 
+            case R_X86_64_PC64:
+                *(UQUAD *)p = (UQUAD)s + (UQUAD)rel->addend - (IPTR) p;
+                break;
+
             case R_X86_64_NONE: /* No reloc */
                 break;