381 if (cname == 0)
382 return;
383 handle = isBuiltin ? procHandle : JVM_LoadLibrary(cname);
384 if (handle) {
385 JNI_OnLoad_t JNI_OnLoad;
386 JNI_OnLoad = (JNI_OnLoad_t)findJniFunction(env, handle,
387 isBuiltin ? cname : NULL,
388 JNI_TRUE);
389 if (JNI_OnLoad) {
390 JavaVM *jvm;
391 (*env)->GetJavaVM(env, &jvm);
392 jniVersion = (*JNI_OnLoad)(jvm, NULL);
393 } else {
394 jniVersion = 0x00010001;
395 }
396
397 cause = (*env)->ExceptionOccurred(env);
398 if (cause) {
399 (*env)->ExceptionClear(env);
400 (*env)->Throw(env, cause);
401 JVM_UnloadLibrary(handle);
402 goto done;
403 }
404
405 if (!JVM_IsSupportedJNIVersion(jniVersion) ||
406 (isBuiltin && jniVersion < JNI_VERSION_1_8)) {
407 char msg[256];
408 jio_snprintf(msg, sizeof(msg),
409 "unsupported JNI version 0x%08X required by %s",
410 jniVersion, cname);
411 JNU_ThrowByName(env, "java/lang/UnsatisfiedLinkError", msg);
412 JVM_UnloadLibrary(handle);
413 goto done;
414 }
415 (*env)->SetIntField(env, this, jniVersionID, jniVersion);
416 } else {
417 cause = (*env)->ExceptionOccurred(env);
418 if (cause) {
419 (*env)->ExceptionClear(env);
420 (*env)->SetLongField(env, this, handleID, (jlong)0);
421 (*env)->Throw(env, cause);
422 }
423 goto done;
424 }
425 (*env)->SetLongField(env, this, handleID, ptr_to_jlong(handle));
426 (*env)->SetBooleanField(env, this, loadedID, JNI_TRUE);
427
428 done:
429 JNU_ReleaseStringPlatformChars(env, name, cname);
430 }
431
432 /*
441 const char *onUnloadSymbols[] = JNI_ONUNLOAD_SYMBOLS;
442 void *handle;
443 JNI_OnUnload_t JNI_OnUnload;
444 const char *cname;
445
446 if (!initIDs(env))
447 return;
448 cname = JNU_GetStringPlatformChars(env, name, 0);
449 if (cname == NULL) {
450 return;
451 }
452 handle = jlong_to_ptr((*env)->GetLongField(env, this, handleID));
453 JNI_OnUnload = (JNI_OnUnload_t )findJniFunction(env, handle,
454 isBuiltin ? cname : NULL,
455 JNI_FALSE);
456 if (JNI_OnUnload) {
457 JavaVM *jvm;
458 (*env)->GetJavaVM(env, &jvm);
459 (*JNI_OnUnload)(jvm, NULL);
460 }
461 JVM_UnloadLibrary(handle);
462 JNU_ReleaseStringPlatformChars(env, name, cname);
463 }
464
465 /*
466 * Class: java_lang_ClassLoader_NativeLibrary
467 * Method: find
468 * Signature: (Ljava/lang/String;)J
469 */
470 JNIEXPORT jlong JNICALL
471 Java_java_lang_ClassLoader_00024NativeLibrary_find
472 (JNIEnv *env, jobject this, jstring name)
473 {
474 jlong handle;
475 const char *cname;
476 jlong res;
477
478 if (!initIDs(env))
479 return jlong_zero;
480
481 handle = (*env)->GetLongField(env, this, handleID);
|
381 if (cname == 0)
382 return;
383 handle = isBuiltin ? procHandle : JVM_LoadLibrary(cname);
384 if (handle) {
385 JNI_OnLoad_t JNI_OnLoad;
386 JNI_OnLoad = (JNI_OnLoad_t)findJniFunction(env, handle,
387 isBuiltin ? cname : NULL,
388 JNI_TRUE);
389 if (JNI_OnLoad) {
390 JavaVM *jvm;
391 (*env)->GetJavaVM(env, &jvm);
392 jniVersion = (*JNI_OnLoad)(jvm, NULL);
393 } else {
394 jniVersion = 0x00010001;
395 }
396
397 cause = (*env)->ExceptionOccurred(env);
398 if (cause) {
399 (*env)->ExceptionClear(env);
400 (*env)->Throw(env, cause);
401 if (!isBuiltin) {
402 JVM_UnloadLibrary(handle);
403 }
404 goto done;
405 }
406
407 if (!JVM_IsSupportedJNIVersion(jniVersion) ||
408 (isBuiltin && jniVersion < JNI_VERSION_1_8)) {
409 char msg[256];
410 jio_snprintf(msg, sizeof(msg),
411 "unsupported JNI version 0x%08X required by %s",
412 jniVersion, cname);
413 JNU_ThrowByName(env, "java/lang/UnsatisfiedLinkError", msg);
414 if (!isBuiltin) {
415 JVM_UnloadLibrary(handle);
416 }
417 goto done;
418 }
419 (*env)->SetIntField(env, this, jniVersionID, jniVersion);
420 } else {
421 cause = (*env)->ExceptionOccurred(env);
422 if (cause) {
423 (*env)->ExceptionClear(env);
424 (*env)->SetLongField(env, this, handleID, (jlong)0);
425 (*env)->Throw(env, cause);
426 }
427 goto done;
428 }
429 (*env)->SetLongField(env, this, handleID, ptr_to_jlong(handle));
430 (*env)->SetBooleanField(env, this, loadedID, JNI_TRUE);
431
432 done:
433 JNU_ReleaseStringPlatformChars(env, name, cname);
434 }
435
436 /*
445 const char *onUnloadSymbols[] = JNI_ONUNLOAD_SYMBOLS;
446 void *handle;
447 JNI_OnUnload_t JNI_OnUnload;
448 const char *cname;
449
450 if (!initIDs(env))
451 return;
452 cname = JNU_GetStringPlatformChars(env, name, 0);
453 if (cname == NULL) {
454 return;
455 }
456 handle = jlong_to_ptr((*env)->GetLongField(env, this, handleID));
457 JNI_OnUnload = (JNI_OnUnload_t )findJniFunction(env, handle,
458 isBuiltin ? cname : NULL,
459 JNI_FALSE);
460 if (JNI_OnUnload) {
461 JavaVM *jvm;
462 (*env)->GetJavaVM(env, &jvm);
463 (*JNI_OnUnload)(jvm, NULL);
464 }
465 if (!isBuiltin) {
466 JVM_UnloadLibrary(handle);
467 }
468 JNU_ReleaseStringPlatformChars(env, name, cname);
469 }
470
471 /*
472 * Class: java_lang_ClassLoader_NativeLibrary
473 * Method: find
474 * Signature: (Ljava/lang/String;)J
475 */
476 JNIEXPORT jlong JNICALL
477 Java_java_lang_ClassLoader_00024NativeLibrary_find
478 (JNIEnv *env, jobject this, jstring name)
479 {
480 jlong handle;
481 const char *cname;
482 jlong res;
483
484 if (!initIDs(env))
485 return jlong_zero;
486
487 handle = (*env)->GetLongField(env, this, handleID);
|