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); }
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); }