[PATCH] Augment the C API

[Eli Bendersky]

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D10222

Files:
  llvm/trunk/include/llvm-c/Support.h
  llvm/trunk/lib/Support/DynamicLibrary.cpp

Index: llvm/trunk/include/llvm-c/Support.h
===================================================================
--- llvm/trunk/include/llvm-c/Support.h
+++ llvm/trunk/include/llvm-c/Support.h
@@ -58,6 +58,24 @@
 void LLVMParseCommandLineOptions(int argc, const char *const *argv,
                                  const char *Overview);
 
+/**
+ * This function will search through all previously loaded dynamic
+ * libraries for the symbol \p symbolName. If it is found, the address of
+ * that symbol is returned. If not, null is returned.
+ *
+ * @see sys::DynamicLibrary::SearchForAddressOfSymbol()
+ */
+void *LLVMSearchForAddressOfSymbol(const char *symbolName);
+
+/**
+ * This functions permanently adds the symbol \p symbolName with the
+ * value \p symbolValue.  These symbols are searched before any
+ * libraries.
+ *
+ * @see sys::DynamicLibrary::AddSymbol()
+ */
+void LLVMAddSymbol(const char *symbolName, void *symbolValue);
+
 #ifdef __cplusplus
 }
 #endif
Index: llvm/trunk/lib/Support/DynamicLibrary.cpp
===================================================================
--- llvm/trunk/lib/Support/DynamicLibrary.cpp
+++ llvm/trunk/lib/Support/DynamicLibrary.cpp
@@ -178,3 +178,12 @@
 LLVMBool LLVMLoadLibraryPermanently(const char* Filename) {
   return llvm::sys::DynamicLibrary::LoadLibraryPermanently(Filename);
 }
+
+void *LLVMSearchForAddressOfSymbol(const char *symbolName) {
+  return llvm::sys::DynamicLibrary::SearchForAddressOfSymbol(symbolName);
+}
+
+void LLVMAddSymbol(const char *symbolName, void *symbolValue) {
+  return llvm::sys::DynamicLibrary::AddSymbol(symbolName, symbolValue);
+}
+

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