getLoadName is only implemented for ELF, make it ELF only.

llvm-svn: 215219

7 files changed, 14 insertions, 20 deletions

diff --git a/llvm/include/llvm/Object/COFF.h b/llvm/include/llvm/Object/COFF.h
index e2da070d47b..a0110cb253c 100644
--- a/llvm/include/llvm/Object/COFF.h
+++ b/llvm/include/llvm/Object/COFF.h
@@ -435,7 +435,6 @@ public:
   uint8_t getBytesInAddress() const override;
   StringRef getFileFormatName() const override;
   unsigned getArch() const override;
-  StringRef getLoadName() const override;
 
   import_directory_iterator import_directory_begin() const;
   import_directory_iterator import_directory_end() const;
diff --git a/llvm/include/llvm/Object/ELFObjectFile.h b/llvm/include/llvm/Object/ELFObjectFile.h
index 069f38112de..1b6661f8153 100644
--- a/llvm/include/llvm/Object/ELFObjectFile.h
+++ b/llvm/include/llvm/Object/ELFObjectFile.h
@@ -201,7 +201,7 @@ public:
   uint8_t getBytesInAddress() const override;
   StringRef getFileFormatName() const override;
   unsigned getArch() const override;
-  StringRef getLoadName() const override;
+  StringRef getLoadName() const;
 
   std::error_code getPlatformFlags(unsigned &Result) const override {
     Result = EF.getHeader()->e_flags;
diff --git a/llvm/include/llvm/Object/MachO.h b/llvm/include/llvm/Object/MachO.h
index a9252ba8a52..d9a5564088b 100644
--- a/llvm/include/llvm/Object/MachO.h
+++ b/llvm/include/llvm/Object/MachO.h
@@ -146,8 +146,6 @@ public:
   StringRef getFileFormatName() const override;
   unsigned getArch() const override;
 
-  StringRef getLoadName() const override;
-
   relocation_iterator section_rel_begin(unsigned Index) const;
   relocation_iterator section_rel_end(unsigned Index) const;
 
diff --git a/llvm/include/llvm/Object/ObjectFile.h b/llvm/include/llvm/Object/ObjectFile.h
index bf35b8ff5b4..64d64dcf566 100644
--- a/llvm/include/llvm/Object/ObjectFile.h
+++ b/llvm/include/llvm/Object/ObjectFile.h
@@ -330,11 +330,6 @@ public:
   virtual StringRef getFileFormatName() const = 0;
   virtual /* Triple::ArchType */ unsigned getArch() const = 0;
 
-  /// For shared objects, returns the name which this object should be
-  /// loaded from at runtime. This corresponds to DT_SONAME on ELF and
-  /// LC_ID_DYLIB (install name) on MachO.
-  virtual StringRef getLoadName() const = 0;
-
   /// Returns platform-specific object flags, if any.
   virtual std::error_code getPlatformFlags(unsigned &Result) const {
     Result = 0;
diff --git a/llvm/lib/Object/COFFObjectFile.cpp b/llvm/lib/Object/COFFObjectFile.cpp
index 5ba3b781c3f..55f27516360 100644
--- a/llvm/lib/Object/COFFObjectFile.cpp
+++ b/llvm/lib/Object/COFFObjectFile.cpp
@@ -620,11 +620,6 @@ library_iterator COFFObjectFile::needed_library_end() const {
   report_fatal_error("Libraries needed unimplemented in COFFObjectFile");
 }
 
-StringRef COFFObjectFile::getLoadName() const {
-  // COFF does not have this field.
-  return "";
-}
-
 import_directory_iterator COFFObjectFile::import_directory_begin() const {
   return import_directory_iterator(
       ImportDirectoryEntryRef(ImportDirectory, 0, this));
diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp
index 36cae16de1c..f5764921e4a 100644
--- a/llvm/lib/Object/MachOObjectFile.cpp
+++ b/llvm/lib/Object/MachOObjectFile.cpp
@@ -1410,11 +1410,6 @@ unsigned MachOObjectFile::getArch() const {
   return getArch(getCPUType(this));
 }
 
-StringRef MachOObjectFile::getLoadName() const {
-  // TODO: Implement
-  report_fatal_error("get_load_name() unimplemented in MachOObjectFile");
-}
-
 relocation_iterator MachOObjectFile::section_rel_begin(unsigned Index) const {
   DataRefImpl DRI;
   DRI.d.a = Index;
diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index 6e5b835f511..5d58b0a6099 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -24,6 +24,7 @@
 #include "ObjDumper.h"
 #include "StreamWriter.h"
 #include "llvm/Object/Archive.h"
+#include "llvm/Object/ELFObjectFile.h"
 #include "llvm/Object/ObjectFile.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
@@ -210,6 +211,17 @@ static std::error_code createDumper(const ObjectFile *Obj, StreamWriter &Writer,
   return readobj_error::unsupported_obj_file_format;
 }
 
+static StringRef getLoadName(const ObjectFile *Obj) {
+  if (auto *ELF = dyn_cast<ELF32LEObjectFile>(Obj))
+    return ELF->getLoadName();
+  if (auto *ELF = dyn_cast<ELF64LEObjectFile>(Obj))
+    return ELF->getLoadName();
+  if (auto *ELF = dyn_cast<ELF32BEObjectFile>(Obj))
+    return ELF->getLoadName();
+  if (auto *ELF = dyn_cast<ELF64BEObjectFile>(Obj))
+    return ELF->getLoadName();
+  llvm_unreachable("Not ELF");
+}
 
 /// @brief Dumps the specified object file.
 static void dumpObject(const ObjectFile *Obj) {
@@ -228,7 +240,7 @@ static void dumpObject(const ObjectFile *Obj) {
          << "\n";
   outs() << "AddressSize: " << (8*Obj->getBytesInAddress()) << "bit\n";
   if (Obj->isELF())
-    outs() << "LoadName: " << Obj->getLoadName() << "\n";
+    outs() << "LoadName: " << getLoadName(Obj) << "\n";
 
   if (opts::FileHeaders)
     Dumper->printFileHeaders();