diff options
Diffstat (limited to 'src/java/com/sun/gluegen/runtime/UnixDynamicLinkerImpl.java')
-rwxr-xr-x | src/java/com/sun/gluegen/runtime/UnixDynamicLinkerImpl.java | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/java/com/sun/gluegen/runtime/UnixDynamicLinkerImpl.java b/src/java/com/sun/gluegen/runtime/UnixDynamicLinkerImpl.java new file mode 100755 index 0000000..773d832 --- /dev/null +++ b/src/java/com/sun/gluegen/runtime/UnixDynamicLinkerImpl.java @@ -0,0 +1,66 @@ +/* !---- DO NOT EDIT: This file autogenerated by com\sun\gluegen\JavaEmitter.java on Mon Jul 31 16:26:59 PDT 2006 ----! */ + +package com.sun.gluegen.runtime; + +import com.sun.gluegen.runtime.*; + +public class UnixDynamicLinkerImpl implements DynamicLinker +{ + + public static final int RTLD_LAZY = 0x00001; + public static final int RTLD_NOW = 0x00002; + public static final int RTLD_NOLOAD = 0x00004; + public static final int RTLD_GLOBAL = 0x00100; + public static final int RTLD_LOCAL = 0x00000; + public static final int RTLD_PARENT = 0x00200; + public static final int RTLD_GROUP = 0x00400; + public static final int RTLD_WORLD = 0x00800; + public static final int RTLD_NODELETE = 0x01000; + public static final int RTLD_FIRST = 0x02000; + + /** Interface to C language function: <br> <code> int dlclose(void * ); </code> */ + private static native int dlclose(long arg0); + + /** Interface to C language function: <br> <code> char * dlerror(void); </code> */ + private static native java.lang.String dlerror(); + + /** Interface to C language function: <br> <code> void * dlopen(const char * , int); </code> */ + private static native long dlopen(java.lang.String arg0, int arg1); + + /** Interface to C language function: <br> <code> void * dlsym(void * , const char * ); </code> */ + private static native long dlsym(long arg0, java.lang.String arg1); + + + // --- Begin CustomJavaCode .cfg declarations + public long openLibraryLocal(String pathname, boolean debug) { + // 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. + return dlopen(pathname, RTLD_LAZY | RTLD_LOCAL); + } + + public long openLibraryGlobal(String pathname, boolean debug) { + // 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. + return dlopen(pathname, RTLD_LAZY | RTLD_GLOBAL); + } + + public long lookupSymbol(long libraryHandle, String symbolName) { + return dlsym(libraryHandle, symbolName); + } + + public void closeLibrary(long libraryHandle) { + dlclose(libraryHandle); + } + // ---- End CustomJavaCode .cfg declarations + +} // end of class UnixDynamicLinkerImpl |