24 

    24 

    25 #ifndef SHARE_VM_UTILITIES_STACK_HPP

    25 #ifndef SHARE_VM_UTILITIES_STACK_HPP

    26 #define SHARE_VM_UTILITIES_STACK_HPP

    26 #define SHARE_VM_UTILITIES_STACK_HPP

    27 

    27 

    28 #include "memory/allocation.hpp"

    28 #include "memory/allocation.hpp"

    30 

    29 

    31 // Class Stack (below) grows and shrinks by linking together "segments" which

    30 // Class Stack (below) grows and shrinks by linking together "segments" which

    32 // are allocated on demand.  Segments are arrays of the element type (E) plus an

    31 // are allocated on demand.  Segments are arrays of the element type (E) plus an

    33 // extra pointer-sized field to store the segment link.  Recently emptied

    32 // extra pointer-sized field to store the segment link.  Recently emptied

    34 // segments are kept in a cache and reused.

    33 // segments are kept in a cache and reused.