From a13341737da29f4dda4eceb8f03e7ff4b09f6e44 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Thu, 13 Mar 2008 16:55:34 +0000
Subject: [PATCH] Remove unused GetAddressOfSymbol() Thanks Daniel Dunbar!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48340 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/System/DynamicLibrary.h | 27 ++-------------------------
 lib/System/DynamicLibrary.cpp        |  7 +------
 2 files changed, 3 insertions(+), 31 deletions(-)

diff --git a/include/llvm/System/DynamicLibrary.h b/include/llvm/System/DynamicLibrary.h
index 4ac08d0f53f..5da0ea2f484 100644
--- a/include/llvm/System/DynamicLibrary.h
+++ b/include/llvm/System/DynamicLibrary.h
@@ -38,19 +38,13 @@ namespace sys {
     public:
       /// Construct a DynamicLibrary that represents the currently executing
       /// program. The program must have been linked with -export-dynamic or
-      /// -dlopen self for this to work. Any symbols retrieved with the
-      /// GetAddressOfSymbol function will refer to the program not to any
-      /// library.
+      /// -dlopen self for this to work. 
       /// @throws std::string indicating why the program couldn't be opened.
       /// @brief Open program as dynamic library.
       DynamicLibrary();
 
       /// After destruction, the symbols of the library will no longer be
-      /// available to the program. It is important to make sure the lifespan
-      /// of a DynamicLibrary exceeds the lifetime of the pointers returned
-      /// by the GetAddressOfSymbol otherwise the program may walk off into
-      /// uncharted territory.
-      /// @see GetAddressOfSymbol.
+      /// available to the program. 
       /// @brief Closes the DynamicLibrary
       ~DynamicLibrary();
 
@@ -91,27 +85,10 @@ namespace sys {
         AddSymbol(symbolName.c_str(), symbolValue);
       }
 
-    /// @}
-    /// @name Accessors
-    /// @{
-    public:
-      /// Looks up a \p symbolName in the DynamicLibrary and returns its address
-      /// if it exists. If the symbol does not exist, returns (void*)0.
-      /// @returns the address of the symbol or 0.
-      /// @brief Get the address of a symbol in the DynamicLibrary.
-      void* GetAddressOfSymbol(const char* symbolName);
-
-      /// @brief Convenience function for C++ophiles.
-      void* GetAddressOfSymbol(const std::string& symbolName) {
-        return GetAddressOfSymbol(symbolName.c_str());
-      }
-
     /// @}
     /// @name Implementation
     /// @{
     protected:
-      void* handle;  // Opaque handle for information about the library
-
       DynamicLibrary(const DynamicLibrary&); ///< Do not implement
       DynamicLibrary& operator=(const DynamicLibrary&); ///< Do not implement
     /// @}
diff --git a/lib/System/DynamicLibrary.cpp b/lib/System/DynamicLibrary.cpp
index bdbcbd406fd..7af718d490d 100644
--- a/lib/System/DynamicLibrary.cpp
+++ b/lib/System/DynamicLibrary.cpp
@@ -50,7 +50,7 @@ using namespace llvm::sys;
 //static std::vector<lt_dlhandle> OpenedHandles;
 static std::vector<void *> OpenedHandles;
 
-DynamicLibrary::DynamicLibrary() : handle(0) {}
+DynamicLibrary::DynamicLibrary() {}
 
 DynamicLibrary::~DynamicLibrary() {
   while(!OpenedHandles.empty()) {
@@ -158,11 +158,6 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
   return 0;
 }
 
-void *DynamicLibrary::GetAddressOfSymbol(const char *symbolName) {
-  assert(handle != 0 && "Invalid DynamicLibrary handle");
-  return dlsym(handle, symbolName);
-}
-
 #endif // LLVM_ON_WIN32
 
 DEFINING_FILE_FOR(SystemDynamicLibrary)
-- 
2.34.1