Exemple #1
0
 public hostent gethostbyname(String arg0) {
   Pointer var0 = Pointer.createStringBuffer(arg0);
   int result0 = gethostbynamePtr.call1(var0);
   hostent result = (hostent) Function.returnStruct(hostent.class, result0);
   var0.free();
   return result;
 }
Exemple #2
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 /**
  * Look up a native libray named "name". Load if not loaded. Name can be a path or a libray name.
  * The Library will be looked up in a platform-dependant manor.
  *
  * @param name short library name, full file name, or path to the library file
  * @return NativeLibrary
  */
 public static NativeLibrary getInstance(String name) {
   String nativeName = nativeLibraryName(name);
   Pointer name0 = Pointer.createStringBuffer(nativeName);
   if (DEBUG) {
     VM.print("Calling DLOPEN on ");
     VM.println(name);
   }
   int result =
       VM.execSyncIO(
           ChannelConstants.DLOPEN, name0.address().toUWord().toInt(), 0, 0, 0, 0, 0, null, null);
   Address r = Address.fromPrimitive(result);
   name0.free();
   if (r.isZero()) {
     throw new RuntimeException("Can't open library " + name + ". OS Error: " + errorStr());
   }
   return new NativeLibrary(name, r);
 }
Exemple #3
0
 /**
  * Close the library, as in dlclose.
  *
  * @throws RuntimeException if dlcose fails
  */
 public void dispose() {
   if (closed || ptr.isZero()) {
     throw new RuntimeException("closed or RTLD_DEFAULT");
   }
   if (DEBUG) {
     VM.print("Calling DLCLOSE on ");
     VM.println(name);
   }
   Pointer name0 = Pointer.createStringBuffer(name);
   int result =
       VM.execSyncIO(
           ChannelConstants.DLCLOSE, ptr.toUWord().toInt(), 0, 0, 0, 0, 0, 0, null, null);
   name0.free();
   if (result != 0) {
     throw new RuntimeException("Error on dlclose: " + errorStr());
   }
   closed = true;
 }
Exemple #4
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 /**
  * getFunction a symbol's address by name (warpper around dlsym)
  *
  * @param name
  * @return Address of symbol
  */
 private Address getSymbolAddress(String name) {
   if (closed) {
     throw new IllegalStateException("closed");
   }
   if (DEBUG) {
     VM.print("Calling DLSYM on ");
     VM.println(name);
   }
   Pointer name0 = Pointer.createStringBuffer(name);
   int result =
       VM.execSyncIO(
           ChannelConstants.DLSYM,
           ptr.toUWord().toInt(),
           name0.address().toUWord().toInt(),
           0,
           0,
           0,
           0,
           null,
           null);
   name0.free();
   return Address.fromPrimitive(result);
 }