26 #define SHARE_VM_COMPILER_OOPMAP_HPP

    26 #define SHARE_VM_COMPILER_OOPMAP_HPP

    27 

    27 

    28 #include "code/compressedStream.hpp"

    28 #include "code/compressedStream.hpp"

    29 #include "code/vmreg.hpp"

    29 #include "code/vmreg.hpp"

    30 #include "memory/allocation.hpp"

    30 #include "memory/allocation.hpp"

    31 #include "utilities/growableArray.hpp"

    32 #include "utilities/growableArray.hpp"

    32 

    33 

    33 // Interface for generating the frame map for compiled code.  A frame map

    34 // Interface for generating the frame map for compiled code.  A frame map

    34 // describes for a specific pc whether each register and frame stack slot is:

    35 // describes for a specific pc whether each register and frame stack slot is:

    35 //   Oop         - A GC root for current frame

    36 //   Oop         - A GC root for current frame

    40 // OopMapValue describes a single OopMap entry

    41 // OopMapValue describes a single OopMap entry

    41 

    42 

    42 class frame;

    43 class frame;

    43 class RegisterMap;

    44 class RegisterMap;

    44 class DerivedPointerEntry;

    45 class DerivedPointerEntry;

    45 

    47 

    46 class OopMapValue: public StackObj {

    48 class OopMapValue: public StackObj {

    47   friend class VMStructs;

    49   friend class VMStructs;

    48 private:

    50 private:

    49   short _value;

    51   short _value;