Add a new flag that disables symbol lookup with dlsym when set. This allows

a JIT client to completely control symbol lookup with the LazyFunctionCreator
interface.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52335 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 3 deletions

diff --git a/include/llvm/ExecutionEngine/ExecutionEngine.h b/include/llvm/ExecutionEngine/ExecutionEngine.h
index 1159971a45..6fd368d207 100644
--- a/include/llvm/ExecutionEngine/ExecutionEngine.h
+++ b/include/llvm/ExecutionEngine/ExecutionEngine.h
@@ -65,6 +65,7 @@ class ExecutionEngine {
   const TargetData *TD;
   ExecutionEngineState state;
   bool LazyCompilationDisabled;
+  bool SymbolSearchingDisabled;
 
 protected:
   /// Modules - This is a list of ModuleProvider's that we are JIT'ing from.  We
@@ -243,13 +244,22 @@ public:
   }
   
   /// DisableLazyCompilation - If called, the JIT will abort if lazy compilation
-  // is ever attempted.
-  void DisableLazyCompilation() {
-    LazyCompilationDisabled = true;
+  /// is ever attempted.
+  void DisableLazyCompilation(bool Disabled = true) {
+    LazyCompilationDisabled = Disabled;
   }
   bool isLazyCompilationDisabled() const {
     return LazyCompilationDisabled;
   }
+  /// DisableSymbolSearching - If called, the JIT will not try to lookup unknown
+  /// symbols with dlsym.  A client can still use InstallLazyFunctionCreator to
+  /// resolve symbols in a custom way.
+  void DisableSymbolSearching(bool Disabled = true) {
+    SymbolSearchingDisabled = Disabled;
+  }
+  bool isSymbolSearchingDisabled() const {
+    return SymbolSearchingDisabled;
+  }
   
   
   /// InstallLazyFunctionCreator - If an unknown function is needed, the