20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_MEMORY_ALLOCATION_HPP
  26 #define SHARE_VM_MEMORY_ALLOCATION_HPP
  27 
  28 #include "runtime/globals.hpp"
  29 #include "utilities/globalDefinitions.hpp"
  30 #include "utilities/macros.hpp"
  31 #ifdef COMPILER1
  32 #include "c1/c1_globals.hpp"
  33 #endif
  34 #ifdef COMPILER2
  35 #include "opto/c2_globals.hpp"
  36 #endif
  37 
  38 #include <new>
  39 





  40 #define ARENA_ALIGN_M1 (((size_t)(ARENA_AMALLOC_ALIGNMENT)) - 1)
  41 #define ARENA_ALIGN_MASK (~((size_t)ARENA_ALIGN_M1))
  42 #define ARENA_ALIGN(x) ((((size_t)(x)) + ARENA_ALIGN_M1) & ARENA_ALIGN_MASK)
  43 
  44 class AllocFailStrategy {
  45 public:
  46   enum AllocFailEnum { EXIT_OOM, RETURN_NULL };
  47 };
  48 typedef AllocFailStrategy::AllocFailEnum AllocFailType;
  49 
  50 // All classes in the virtual machine must be subclassed
  51 // by one of the following allocation classes:
  52 //
  53 // For objects allocated in the resource area (see resourceArea.hpp).
  54 // - ResourceObj
  55 //
  56 // For objects allocated in the C-heap (managed by: free & malloc).
  57 // - CHeapObj
  58 //
  59 // For objects allocated on the stack.

  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_MEMORY_ALLOCATION_HPP
  26 #define SHARE_VM_MEMORY_ALLOCATION_HPP
  27 
  28 #include "runtime/globals.hpp"
  29 #include "utilities/globalDefinitions.hpp"
  30 #include "utilities/macros.hpp"
  31 #ifdef COMPILER1
  32 #include "c1/c1_globals.hpp"
  33 #endif
  34 #ifdef COMPILER2
  35 #include "opto/c2_globals.hpp"
  36 #endif
  37 
  38 #include <new>
  39 
  40 // The byte alignment to be used by Arena::Amalloc.  See bugid 4169348.
  41 // Note: this value must be a power of 2
  42 
  43 #define ARENA_AMALLOC_ALIGNMENT (2*BytesPerWord)
  44 
  45 #define ARENA_ALIGN_M1 (((size_t)(ARENA_AMALLOC_ALIGNMENT)) - 1)
  46 #define ARENA_ALIGN_MASK (~((size_t)ARENA_ALIGN_M1))
  47 #define ARENA_ALIGN(x) ((((size_t)(x)) + ARENA_ALIGN_M1) & ARENA_ALIGN_MASK)
  48 
  49 class AllocFailStrategy {
  50 public:
  51   enum AllocFailEnum { EXIT_OOM, RETURN_NULL };
  52 };
  53 typedef AllocFailStrategy::AllocFailEnum AllocFailType;
  54 
  55 // All classes in the virtual machine must be subclassed
  56 // by one of the following allocation classes:
  57 //
  58 // For objects allocated in the resource area (see resourceArea.hpp).
  59 // - ResourceObj
  60 //
  61 // For objects allocated in the C-heap (managed by: free & malloc).
  62 // - CHeapObj
  63 //
  64 // For objects allocated on the stack.