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/* !---- DO NOT EDIT: This file autogenerated by com\sun\gluegen\JavaEmitter.java on Mon Jul 31 16:27:00 PDT 2006 ----! */
package jogamp.common.os;
import com.jogamp.common.os.DynamicLinker;
public class MacOSXDynamicLinkerImpl implements DynamicLinker {
public static final long RTLD_DEFAULT = -2;
public static final int RTLD_LAZY = 0x1;
public static final int RTLD_NOW = 0x2;
public static final int RTLD_LOCAL = 0x4;
public static final int RTLD_GLOBAL = 0x8;
/** Interface to C language function: <br> <code> int dlclose(void * __handle); </code> */
private static native int dlclose(long __handle);
/** 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 * __path, int __mode); </code> */
private static native long dlopen(java.lang.String __path, int __mode);
/** Interface to C language function: <br> <code> void * dlsym(void * __handle, const char * __symbol); </code> */
private static native long dlsym(long __handle, java.lang.String __symbol);
// --- Begin CustomJavaCode .cfg declarations
public long openLibraryLocal(String pathname, boolean debug) {
// Note we use RTLD_LOCAL 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) {
final long addr = dlsym(libraryHandle, symbolName);
if(DEBUG_LOOKUP) {
System.err.println("MaxOSXDynamicLinkerImpl.lookupSymbol(0x"+Long.toHexString(libraryHandle)+", "+symbolName+") -> 0x"+Long.toHexString(addr));
}
return addr;
}
public long lookupSymbolGlobal(String symbolName) {
final long addr = dlsym(RTLD_DEFAULT, symbolName);
if(DEBUG_LOOKUP) {
System.err.println("MacOSXDynamicLinkerImpl.lookupSymbolGlobal("+symbolName+") -> 0x"+Long.toHexString(addr));
}
return addr;
}
public void closeLibrary(long libraryHandle) {
dlclose(libraryHandle);
}
// ---- End CustomJavaCode .cfg declarations
} // end of class MacOSXDynamicLinkerImpl
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