AArch64: implement 64-bit absolute relocation in MCJIT

This is about the simplest relocation, but surprisingly rare in actual
code.

It occurs in (for example) the MCJIT test test-ptr-reloc.ll.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181134 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
index 487e503e91ef9ce3d39326b6a4b5c5ebcbb65355..80231a7c04091d4926a204093906e0b5ebda4a05 100644 (file)
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
@@ -289,6 +289,11 @@ void RuntimeDyldELF::resolveAArch64Relocation(const SectionEntry &Section,
   default:
     llvm_unreachable("Relocation type not implemented yet!");
     break;
+  case ELF::R_AARCH64_ABS64: {
+    uint64_t *TargetPtr = reinterpret_cast<uint64_t*>(Section.Address + Offset);
+    *TargetPtr = Value + Addend;
+    break;
+  }
   case ELF::R_AARCH64_PREL32: { // test-shift.ll (.eh_frame)
     uint64_t Result = Value + Addend - FinalAddress;
     assert(static_cast<int64_t>(Result) >= INT32_MIN &&