Fix DynamicLinker Impl: Add Bionic specialization using Bionic's non POSIX values; Using same pattern for Mac OS X.

Add Bionic specialization using Bionic's non POSIX values
 - derive from UnixDynamicLinkerImpl
 - specify own flag and mode values
 - use UnixDynamicLinkerImpl native code

Using same pattern for Mac OS X
 - derive from UnixDynamicLinkerImpl
 - specify own flag and mode values
 - use UnixDynamicLinkerImpl native code
 - drop MacOSXDynamicLinkerImpl native code

1 files changed, 54 insertions, 0 deletions

diff --git a/src/java/jogamp/common/os/BionicDynamicLinkerImpl.java b/src/java/jogamp/common/os/BionicDynamicLinkerImpl.java
new file mode 100644
index 0000000..3864ab2
--- /dev/null
+++ b/src/java/jogamp/common/os/BionicDynamicLinkerImpl.java
@@ -0,0 +1,54 @@
+package jogamp.common.os;
+
+import com.jogamp.common.util.SecurityUtil;
+
+/**
+ * Bionic specialization of {@link UnixDynamicLinkerImpl}
+ * utilizing Bionic's non POSIX flags and mode values.
+ * <p>
+ * Bionic is used on Android.
+ * </p>
+ */
+public class BionicDynamicLinkerImpl extends UnixDynamicLinkerImpl {
+  private static final long RTLD_DEFAULT = 0xffffffffL;
+  //      static final long RTLD_NEXT    = 0xfffffffeL;
+  
+  private static final int RTLD_LAZY     = 0x00001;
+  //      static final int RTLD_NOW      = 0x00000;
+  private static final int RTLD_LOCAL    = 0x00000;
+  private static final int RTLD_GLOBAL   = 0x00002;
+
+  // --- Begin CustomJavaCode .cfg declarations
+  public long openLibraryLocal(String pathname, boolean debug) throws SecurityException {
+    // Note we use RTLD_GLOBAL visibility to _NOT_ allow this functionality to
+    // be used to pre-resolve dependent libraries of JNI code without
+    // requiring that all references to symbols in those libraries be
+    // looked up dynamically via the ProcAddressTable mechanism; in
+    // other words, one can actually link against the library instead of
+    // having to dlsym all entry points. System.loadLibrary() uses
+    // RTLD_LOCAL visibility so can't be used for this purpose.
+    SecurityUtil.checkLinkPermission(pathname);
+    return dlopen(pathname, RTLD_LAZY | RTLD_LOCAL);
+  }
+
+  public long openLibraryGlobal(String pathname, boolean debug) throws SecurityException {
+    // Note we use RTLD_GLOBAL visibility to allow this functionality to
+    // be used to pre-resolve dependent libraries of JNI code without
+    // requiring that all references to symbols in those libraries be
+    // looked up dynamically via the ProcAddressTable mechanism; in
+    // other words, one can actually link against the library instead of
+    // having to dlsym all entry points. System.loadLibrary() uses
+    // RTLD_LOCAL visibility so can't be used for this purpose.
+    SecurityUtil.checkLinkPermission(pathname);
+    return dlopen(pathname, RTLD_LAZY | RTLD_GLOBAL);
+  }
+  
+  public long lookupSymbolGlobal(String symbolName) {
+    final long addr = dlsym(RTLD_DEFAULT, symbolName);
+    if(DEBUG_LOOKUP) {
+        System.err.println("DynamicLinkerImpl.lookupSymbolGlobal("+symbolName+") -> 0x"+Long.toHexString(addr));
+    }
+    return addr;    
+  }
+  
+}