[llvm-objdump][XCOFF] Enable the -l (--line-numbers) option.

Summary: Add support for dumping line number
information for XCOFF object files in llvm-objdump.

Reviewed By: jhenderson

Differential Revision: https://reviews.llvm.org/D101272

1 files changed, 7 insertions, 2 deletions

diff --git a/llvm/lib/Object/XCOFFObjectFile.cpp b/llvm/lib/Object/XCOFFObjectFile.cpp
index 6e54e4a..86e8c2ea 100644
--- a/llvm/lib/Object/XCOFFObjectFile.cpp
+++ b/llvm/lib/Object/XCOFFObjectFile.cpp
@@ -214,7 +214,7 @@ uint64_t XCOFFObjectFile::getCommonSymbolSizeImpl(DataRefImpl Symb) const {
 
 Expected<SymbolRef::Type>
 XCOFFObjectFile::getSymbolType(DataRefImpl Symb) const {
-  llvm_unreachable("Not yet implemented!");
+  // TODO: Return the correct symbol type.
   return SymbolRef::ST_Other;
 }
 
@@ -394,7 +394,7 @@ void XCOFFObjectFile::getRelocationTypeName(
 
 Expected<uint32_t> XCOFFObjectFile::getSymbolFlags(DataRefImpl Symb) const {
   uint32_t Result = 0;
-  llvm_unreachable("Not yet implemented!");
+  // TODO: Return correct symbol flags.
   return Result;
 }
 
@@ -513,6 +513,11 @@ XCOFFObjectFile::getSymbolSectionName(XCOFFSymbolRef SymEntPtr) const {
   }
 }
 
+unsigned XCOFFObjectFile::getSymbolSectionID(SymbolRef Sym) const {
+  XCOFFSymbolRef XCOFFSymRef(Sym.getRawDataRefImpl(), this);
+  return XCOFFSymRef.getSectionNumber();
+}
+
 bool XCOFFObjectFile::isReservedSectionNumber(int16_t SectionNumber) {
   return (SectionNumber <= 0 && SectionNumber >= -2);
 }