objArrayHandle ptypes, BasicType rtype, objArrayHandle args, bool is_method_invoke, TRAPS) { ResourceMark rm(THREAD); methodHandle method; // actual method to invoke KlassHandle target_klass; // target klass, receiver's klass for non-static // Ensure klass is initialized klass->initialize(...
主要包括:G1 用了两个 bitmap 用于标记存活对象,大小为 2 * heap size / 64。
("2.16.840.1.113730.1.1"); /* * Initialize checker */ public void init(boolean forward) throws CertPathValidatorException { // nothing to initialize } public Set getSupportedExtensions() { return supportedExtensions; } public boolean isForwardCheckingSupported() { return true; } /* * Check ...
上述代码片段是经过精简的libinstrument中Agent_OnLoad实现的,大概的流程就是:先创建一个JPLISAgent,然后将ManiFest中设定的一些参数解析出来, 比如(Premain-Class)等。创建了JPLISAgent之后,调用initializeJPLISAgent对这个Agent进行初始化操作。跟进initializeJPLISAgent看一下是如何初始化的: JPLISInitializationErrorinitiali...
0:// zero for java.lang.Objectclass_symbol_to_cpool_index(super_class->name()));// JVMSpec| u2 interfaces_count;// JVMSpec| u2 interfaces[interfaces_count];Array<Klass*>*interfaces=ikh()->local_interfaces();int num_interfaces=interfaces->length();write_u2(num_interfaces);for(int index...
class ArrayDemo { public static void main(String[] args) { // declares an array of integers int[] anArray; // allocates memory for 10 integers anArray = new int[10]; // initialize first element anArray[0] = 100; // initialize second element ...
jstat命令可以查看堆内存各部分的使用量,以及加载类的数量。 命令的格式如下: jstat [-命令选项] [vmid] [间隔时间/毫秒] [查询次数] 2.使用详情列表 【以下的统计空间单位,未标明的 都是KB】 1>类加载统计 命令: jstat -class 19570 结果: 解析: ...
Thrown if an application tries to create an array with negative size. Added in 1.0. Java documentation forjava.lang.NegativeArraySizeException. Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in the...
bInit) { System.out.println("Initialize SDK failed"); return false; } //打开日志,可选 NetSDKLib.LOG_SET_PRINT_INFO setLog = new NetSDKLib.LOG_SET_PRINT_INFO(); File path = new File("./sdklog/"); if (!path.exists()) { path.mkdir(); } String logPath = path.getAbsoluteFile()...
jio_fprintf(defaultStream::error_stream(),"Instrumentation agents are not supported in this VM\n");returnJNI_ERR;#elseif(tail !=NULL) {size_tlength =strlen(tail) +1;char*options = NEW_C_HEAP_ARRAY(char, length, mtArguments);