[Codegen] - Implement basic .debug_loclists section emission (DWARF5).

.debug_loclists is the DWARF 5 version of the .debug_loc.
With that patch, it will be emitted when DWARF 5 is used.

Differential revision: https://reviews.llvm.org/D53365

llvm-svn: 345377

1 files changed, 9 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index 42aa0c933ef..2053395808f 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -1656,6 +1656,15 @@ void DwarfUnit::addRnglistsBase() {
                   TLOF.getDwarfRnglistsSection()->getBeginSymbol());
 }
 
+void DwarfUnit::addLoclistsBase() {
+  assert(DD->getDwarfVersion() >= 5 &&
+         "DW_AT_loclists_base requires DWARF version 5 or later");
+  const TargetLoweringObjectFile &TLOF = Asm->getObjFileLowering();
+  addSectionLabel(getUnitDie(), dwarf::DW_AT_loclists_base,
+                  DU->getLoclistsTableBaseSym(),
+                  TLOF.getDwarfLoclistsSection()->getBeginSymbol());
+}
+
 void DwarfUnit::addAddrTableBase() {
   const TargetLoweringObjectFile &TLOF = Asm->getObjFileLowering();
   MCSymbol *Label = DD->getAddressPool().getLabel();