1 files changed, 72 insertions, 0 deletions
diff --git a/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLDLog.cpp b/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLDLog.cpp
new file mode 100644
index 00000000000..946c8f9310c
--- /dev/null
+++ b/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLDLog.cpp
@@ -0,0 +1,72 @@
+//===-- DynamicLoaderMacOSXDYLDLog.cpp --------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "DynamicLoaderMacOSXDYLDLog.h"
+#include "lldb/Core/Log.h"
+
+using namespace lldb_private;
+
+static Log *
+LogAccessor (bool get, Log *log)
+{
+    static Log* g_log = NULL; // Leak for now as auto_ptr was being cleaned up
+                                // by global constructors before other threads
+                                // were done with it.
+    if (get)
+    {
+//      // Debug code below for enabling logging by default
+//      if (g_log == NULL)
+//      {
+//          g_log = new Log("/dev/stdout", false);
+//          g_log->GetMask().SetAllFlagBits(0xffffffffu);
+//          g_log->GetOptions().Set(LLDB_LOG_OPTION_THREADSAFE | LLDB_LOG_OPTION_PREPEND_THREAD_NAME);
+//      }
+    }
+    else
+    {
+        if (g_log)
+            delete g_log;
+        g_log = log;
+    }
+
+    return g_log;
+}
+
+Log *
+DynamicLoaderMacOSXDYLDLog::GetLogIfAllCategoriesSet (uint32_t mask)
+{
+    Log *log = LogAccessor (true, NULL);
+    if (log && mask)
+    {
+        uint32_t log_mask = log->GetMask().GetAllFlagBits();
+        if ((log_mask & mask) != mask)
+            return NULL;
+    }
+    return log;
+}
+
+void
+DynamicLoaderMacOSXDYLDLog::SetLog (Log *log)
+{
+    LogAccessor (false, log);
+}
+
+
+void
+DynamicLoaderMacOSXDYLDLog::LogIf (uint32_t mask, const char *format, ...)
+{
+    Log *log = DynamicLoaderMacOSXDYLDLog::GetLogIfAllCategoriesSet (mask);
+    if (log)
+    {
+        va_list args;
+        va_start (args, format);
+        log->VAPrintf (format, args);
+        va_end (args);
+    }
+}