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JVM Spec 1-3

2012-09-27 23:07 by 横刀天笑, ... 阅读, ... 评论, 收藏, 编辑

Runtime areas 

Pc register 

  Point current code address

  undefine -> in native code 

Thread related

  JVM method stack

      expandable size

      fixed size 

  Exceptions

     StackOverflow

     OOM

       Can not expand

       Can not create new thread

  Frame

    Size: determined at compile time

 

Native method stack

 

Global

  Heap

    GC

    Exceptions:

       OOM 

  Method area

    Code

    Runtime constant pool

    String 

 

Invoke method

  invokespecial   invoke <init>, <cinit>, super.method

  invokevirtual   invoke instance method

  invokestaic      invoke staic method

  invokeinterface

 

Exception handler

Exception handler:

From   To   Target    Type

0         4       5         Class TestException

 

finally without catch

Exception handler

From   To    Target    Type

0         4        10        any

 

jsr: jump subroutine

finally handler as a subroutine

 

synchronization block

monitorenter

monitorexit 

finally handler