[Object] Add {begin,end}_dynamic_symbols stubs and implementation for ELF.

Add -D option to llvm-nm to dump dynamic symbols.

Patch by David Meyer.

llvm-svn: 151600

2 files changed, 19 insertions, 0 deletions

diff --git a/llvm/lib/Object/COFFObjectFile.cpp b/llvm/lib/Object/COFFObjectFile.cpp
index bdf54314458..a2dad41818e 100644
--- a/llvm/lib/Object/COFFObjectFile.cpp
+++ b/llvm/lib/Object/COFFObjectFile.cpp
@@ -508,6 +508,16 @@ symbol_iterator COFFObjectFile::end_symbols() const {
   return symbol_iterator(SymbolRef(ret, this));
 }
 
+symbol_iterator COFFObjectFile::begin_dynamic_symbols() const {
+  // TODO: implement
+  report_fatal_error("Dynamic symbols unimplemented in COFFObjectFile");
+}
+
+symbol_iterator COFFObjectFile::end_dynamic_symbols() const {
+  // TODO: implement
+  report_fatal_error("Dynamic symbols unimplemented in COFFObjectFile");
+}
+
 section_iterator COFFObjectFile::begin_sections() const {
   DataRefImpl ret;
   std::memset(&ret, 0, sizeof(DataRefImpl));
diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp
index 4fa621ba9e5..b1416eae89d 100644
--- a/llvm/lib/Object/MachOObjectFile.cpp
+++ b/llvm/lib/Object/MachOObjectFile.cpp
@@ -388,6 +388,15 @@ symbol_iterator MachOObjectFile::end_symbols() const {
   return symbol_iterator(SymbolRef(DRI, this));
 }
 
+symbol_iterator MachOObjectFile::begin_dynamic_symbols() const {
+  // TODO: implement
+  report_fatal_error("Dynamic symbols unimplemented in MachOObjectFile");
+}
+
+symbol_iterator MachOObjectFile::end_dynamic_symbols() const {
+  // TODO: implement
+  report_fatal_error("Dynamic symbols unimplemented in MachOObjectFile");
+}
 
 /*===-- Sections ----------------------------------------------------------===*/