Exemple #1
0
void list_syms(const char* filePath)
{
  DLSyms* pSyms;
  int i,n;
  
  pSyms = dlSymsInit(filePath);
  if (!pSyms) {
    fprintf(stderr, "dlSymsInit fail.");
    return; 
  }
  i = 0, n = dlSymsCount(pSyms);

  for (; i < n; ++i) {
    const char* name = dlSymsName(pSyms,i);
    printf("%s\n", name);
  }
  dlSymsCleanup(pSyms);
}
Exemple #2
0
JNIEXPORT void JNICALL Java_org_bridj_v0_17_10_Platform_init(JNIEnv *env, jclass clazz)
{
	const char* libPath = getBridJLibPath();
	DLLib* pLib = dlLoadLibrary(libPath);
	DLSyms* pSyms = dlSymsInit(libPath);
	const char* packagePattern = "Java_org_bridj_";
	size_t packagePatternLen = strlen(packagePattern);
	int iSym, nSyms = dlSymsCount(pSyms);
	
	jclass objectClass = (*env)->FindClass(env, "java/lang/Object");
	jclass signatureHelperClass = (*env)->FindClass(env, "org/bridj/v0_7_0/util/JNIUtils");
	jmethodID decodeVersionSpecificMethodNameClassAndSignatureMethod = (*env)->GetStaticMethodID(env, signatureHelperClass, "decodeVersionSpecificMethodNameClassAndSignature", "(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;"); 
	jobjectArray nameAndSigArray = (*env)->NewObjectArray(env, 2, objectClass, NULL);
	
	JNINativeMethod meth;
	memset(&meth, 0, sizeof(JNINativeMethod));
	
	//printf("INFO: Found %d symbols\n", nSyms);
	for (iSym = 0; iSym < nSyms; iSym++) {
		const char* symbolName = dlSymsName(pSyms, iSym);
		if (!strcmp(*symbolName == '_' ? symbolName + 1 : symbolName, "Java_org_bridj_v0_17_10_Platform_init"))
			continue;
		
		if (strstr(symbolName, packagePattern)) {
			if ((meth.fnPtr = getSelfSymbol(pLib, symbolName))) {
				jstring declaringClassName = (*env)->CallStaticObjectMethod(env, signatureHelperClass, decodeVersionSpecificMethodNameClassAndSignatureMethod, (*env)->NewStringUTF(env, symbolName), nameAndSigArray);
				
				if ((*env)->ExceptionCheck(env)) {
					printf("ERROR: Exception when trying to find method for symbol '%s'\n", symbolName);
					goto version_specific_init_failed;
				}
				
				if (declaringClassName) {
					jstring methodName = (*env)->GetObjectArrayElement(env, nameAndSigArray, 0);
					jstring methodSignature = (*env)->GetObjectArrayElement(env, nameAndSigArray, 1);
					const char* declaringClassNameStr = (char*)GET_CHARS(declaringClassName);
					jclass declaringClass = (*env)->FindClass(env, declaringClassNameStr);
					meth.name = (char*)GET_CHARS(methodName);
					meth.signature = (char*)GET_CHARS(methodSignature);
					
					//printf("INFO: Registering %s.%s with signature %s as %s\n", declaringClassNameStr, meth.name, meth.signature, symbolName);
					(*env)->RegisterNatives(env, declaringClass, &meth, 1);
					
					RELEASE_CHARS(methodName, meth.name);
					RELEASE_CHARS(methodSignature, meth.signature);
					RELEASE_CHARS(declaringClassName, declaringClassNameStr);
				} else {
					printf("ERROR: Failed to find method for symbol '%s'\n", symbolName);
				}
			} else {
				printf("ERROR: Could not find symbol %s\n", symbolName); 
			}
		}
	}
	
	Java_org_bridj_Platform_init(env, clazz);
	
version_specific_init_failed:
	//printf("INFO: Finished binding of symbols\n");
				
	//dlFreeLibrary(pLib); // TODO ?
	dlSymsCleanup(pSyms);
}