Produce a R_X86_64_PLT32 when needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115541 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp
index c7b862f..7d956a9 100644
--- a/lib/MC/ELFObjectWriter.cpp
+++ b/lib/MC/ELFObjectWriter.cpp
@@ -581,7 +581,16 @@
unsigned Type;
if (Is64Bit) {
if (IsPCRel) {
- Type = ELF::R_X86_64_PC32;
+ switch (Modifier) {
+ case MCSymbolRefExpr::VK_None:
+ Type = ELF::R_X86_64_PC32;
+ break;
+ case MCSymbolRefExpr::VK_PLT:
+ Type = ELF::R_X86_64_PLT32;
+ break;
+ default:
+ llvm_unreachable("Unimplemented");
+ }
} else {
switch ((unsigned)Fixup.getKind()) {
default: llvm_unreachable("invalid fixup kind!");
diff --git a/test/MC/ELF/plt.s b/test/MC/ELF/plt.s
new file mode 100644
index 0000000..2cbcf5a
--- /dev/null
+++ b/test/MC/ELF/plt.s
@@ -0,0 +1,14 @@
+// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | elf-dump | FileCheck %s
+
+// Test that this produces a R_X86_64_PLT32.
+
+ jmp foo@PLT
+
+// CHECK: ('_relocations', [
+// CHECK-NEXT: # Relocation 0
+// CHECK-NEXT: (('r_offset',
+// CHECK-NEXT: ('r_sym',
+// CHECK-NEXT: ('r_type', 4)
+// CHECK-NEXT: ('r_addend',
+// CHECK-NEXT: ),
+// CHECK-NEXT: ])