[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

2 files changed, 12 insertions, 3 deletions

diff --git a/llvm/lib/Object/SymbolSize.cpp b/llvm/lib/Object/SymbolSize.cpp
index 97baabe..e42dbe6 100644
--- a/llvm/lib/Object/SymbolSize.cpp
+++ b/llvm/lib/Object/SymbolSize.cpp
@@ -12,6 +12,7 @@
 #include "llvm/Object/ELFObjectFile.h"
 #include "llvm/Object/MachO.h"
 #include "llvm/Object/Wasm.h"
+#include "llvm/Object/XCOFFObjectFile.h"
 
 using namespace llvm;
 using namespace object;
@@ -30,7 +31,8 @@ static unsigned getSectionID(const ObjectFile &O, SectionRef Sec) {
     return M->getSectionID(Sec);
   if (isa<WasmObjectFile>(&O))
     return Sec.getIndex();
-
+  if (isa<XCOFFObjectFile>(&O))
+    return Sec.getIndex();
   return cast<COFFObjectFile>(O).getSectionID(Sec);
 }
 
@@ -39,6 +41,8 @@ static unsigned getSymbolSectionID(const ObjectFile &O, SymbolRef Sym) {
     return M->getSymbolSectionID(Sym);
   if (const auto *M = dyn_cast<WasmObjectFile>(&O))
     return M->getSymbolSectionId(Sym);
+  if (const auto *M = dyn_cast<XCOFFObjectFile>(&O))
+    return M->getSymbolSectionID(Sym);
   return cast<COFFObjectFile>(O).getSymbolSectionID(Sym);
 }
 
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);
 }