Add support for R_X86_64_PC64.

llvm-svn: 267409

2 files changed, 37 insertions, 0 deletions

diff --git a/lld/ELF/Target.cpp b/lld/ELF/Target.cpp
index ceb3ef57a72..31d72bbc0e1 100644
--- a/lld/ELF/Target.cpp
+++ b/lld/ELF/Target.cpp
@@ -541,6 +541,7 @@ RelExpr X86_64TargetInfo::getRelExpr(uint32_t Type, const SymbolBody &S) const {
   case R_X86_64_PLT32:
     return R_PLT_PC;
   case R_X86_64_PC32:
+  case R_X86_64_PC64:
     return R_PC;
   case R_X86_64_GOT32:
     return R_GOT_FROM_END;
@@ -750,6 +751,7 @@ void X86_64TargetInfo::relocateOne(uint8_t *Loc, uint32_t Type,
   case R_X86_64_64:
   case R_X86_64_DTPOFF64:
   case R_X86_64_SIZE64:
+  case R_X86_64_PC64:
     write64le(Loc, Val);
     break;
   case R_X86_64_GOTPCREL:
diff --git a/lld/test/ELF/relocation-shared.s b/lld/test/ELF/relocation-shared.s
new file mode 100644
index 00000000000..e1850944c45
--- /dev/null
+++ b/lld/test/ELF/relocation-shared.s
@@ -0,0 +1,35 @@
+// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
+// RUN: ld.lld %t.o -shared -o %t.so
+// RUN: llvm-readobj -r -s -section-data %t.so | FileCheck %s
+
+// CHECK:      Name: foo
+// CHECK-NEXT: Type: SHT_PROGBITS
+// CHECK-NEXT: Flags [
+// CHECK-NEXT:   SHF_ALLOC
+// CHECK-NEXT: ]
+// CHECK-NEXT: Address: 0x1C8
+// CHECK-NEXT: Offset:
+// CHECK-NEXT: Size: 8
+// CHECK-NEXT: Link: 0
+// CHECK-NEXT: Info: 0
+// CHECK-NEXT: AddressAlignment: 1
+// CHECK-NEXT: EntrySize: 0
+// CHECK-NEXT: SectionData (
+// CHECK-NEXT:   0000: 380E0000 00000000
+//                     0x1000 - 0x1C8 = 0xE38
+// CHECK-NEXT: )
+
+// CHECK:      Name: .text
+// CHECK-NEXT: Type: SHT_PROGBITS
+// CHECK-NEXT: Flags [
+// CHECK-NEXT:   SHF_ALLOC
+// CHECK-NEXT:   SHF_EXECINSTR
+// CHECK-NEXT: ]
+// CHECK-NEXT: Address: 0x1000
+
+// CHECK:      Relocations [
+// CHECK-NEXT: ]
+
+bar:
+        .section foo,"a",@progbits
+        .quad bar - .