3 files changed, 36 insertions, 0 deletions
diff --git a/src/java/jogamp/common/os/DynamicLinkerImpl.java b/src/java/jogamp/common/os/DynamicLinkerImpl.java
index 5ce94c1..13b08d7 100644
--- a/src/java/jogamp/common/os/DynamicLinkerImpl.java
+++ b/src/java/jogamp/common/os/DynamicLinkerImpl.java
@@ -45,6 +45,7 @@ import com.jogamp.common.util.SecurityUtil;
   /**
    * @throws SecurityException if user is not granted global access
    */
+  @Override
   public final void claimAllLinkPermission() throws SecurityException {
       synchronized( secSync ) {
           allLinkPermissionGranted = true;
@@ -54,6 +55,7 @@ import com.jogamp.common.util.SecurityUtil;
   /**
    * @throws SecurityException if user is not granted global access
    */
+  @Override
   public final void releaseAllLinkPermission() throws SecurityException {
       synchronized( secSync ) {
           allLinkPermissionGranted = false;
@@ -120,6 +122,17 @@ import com.jogamp.common.util.SecurityUtil;
   protected abstract long openLibraryLocalImpl(final String pathname) throws SecurityException;
 
   @Override
+  public final String lookupLibraryPathname(final long libraryHandle, final String symbolName) throws SecurityException {
+    checkLinkPermission(libraryHandle);
+    final String fname = lookupLibraryPathnameImpl(libraryHandle, symbolName);
+    if(DEBUG_LOOKUP) {
+        System.err.println("DynamicLinkerImpl.lookupLibraryPathname(0x"+Long.toHexString(libraryHandle)+", "+symbolName+") -> '"+fname+"'");
+    }
+    return fname;
+  }
+  protected abstract String lookupLibraryPathnameImpl(final long libraryHandle, String symbolName) throws SecurityException;
+
+  @Override
   public final long lookupSymbolGlobal(final String symbolName) throws SecurityException {
     checkAllLinkPermission();
     final long addr = lookupSymbolGlobalImpl(symbolName);
diff --git a/src/java/jogamp/common/os/UnixDynamicLinkerImpl.java b/src/java/jogamp/common/os/UnixDynamicLinkerImpl.java
index ddaeea2..4a0aeb4 100644
--- a/src/java/jogamp/common/os/UnixDynamicLinkerImpl.java
+++ b/src/java/jogamp/common/os/UnixDynamicLinkerImpl.java
@@ -47,6 +47,20 @@ package jogamp.common.os;
   /** Interface to C language function: <br> <code> void *  dlsym(void * , const char * ); </code>    */
   protected static native long dlsym(long arg0, java.lang.String arg1);
 
+  /** Interface to C language function: <br> <code> int dladdr(void * , Dl_info *); </code>, returning the <code>Dl_info.dli_fname</code> */
+  protected static native java.lang.String dladdr_fname(long arg0);
+
+  @Override
+  protected final String lookupLibraryPathnameImpl(final long libraryHandle, final String symbolName) throws SecurityException {
+      if( 0 != libraryHandle && null != symbolName && symbolName.length() > 0 ) {
+          final long addr = dlsym(libraryHandle, symbolName);
+          if( 0 != addr ) {
+              return dladdr_fname(addr);
+          }
+      }
+      return null;
+  }
+
   @Override
   protected final long lookupSymbolLocalImpl(final long libraryHandle, final String symbolName) throws SecurityException {
       return 0 != libraryHandle ? dlsym(libraryHandle, symbolName) : 0;
diff --git a/src/java/jogamp/common/os/WindowsDynamicLinkerImpl.java b/src/java/jogamp/common/os/WindowsDynamicLinkerImpl.java
index 04f13fb..a99cb35 100644
--- a/src/java/jogamp/common/os/WindowsDynamicLinkerImpl.java
+++ b/src/java/jogamp/common/os/WindowsDynamicLinkerImpl.java
@@ -41,6 +41,9 @@ public final class WindowsDynamicLinkerImpl extends DynamicLinkerImpl {
   /** Interface to C language function: <br> <code> HANDLE LoadLibraryW(LPCWSTR lpLibFileName); </code>    */
   private static native long LoadLibraryW(java.lang.String lpLibFileName);
 
+  /** Interface to C language function: <br> <code> PROC GetModuleFileNameA(HANDLE hModule, LPSTR lpFilename, DWORD nSize); </code>    */
+  private static native java.lang.String GetModuleFileNameA(long hModule);
+
   @Override
   protected final long openLibraryLocalImpl(final String libraryName) throws SecurityException {
     // How does that work under Windows ?
@@ -54,6 +57,12 @@ public final class WindowsDynamicLinkerImpl extends DynamicLinkerImpl {
   }
 
   @Override
+  protected final String lookupLibraryPathnameImpl(final long libraryHandle, final String symbolName) throws SecurityException {
+      // symbolName is not required
+      return 0 != libraryHandle ? GetModuleFileNameA(libraryHandle) : null;
+  }
+
+  @Override
   protected final long lookupSymbolGlobalImpl(final String symbolName) throws SecurityException {
     if(DEBUG_LOOKUP) {
         System.err.println("lookupSymbolGlobal: Not supported on Windows");