23  */
  24 
  25 #ifndef SHARE_VM_CODE_CODEBLOB_HPP
  26 #define SHARE_VM_CODE_CODEBLOB_HPP
  27 
  28 #include "asm/codeBuffer.hpp"
  29 #include "compiler/compilerDefinitions.hpp"
  30 #include "compiler/oopMap.hpp"
  31 #include "runtime/frame.hpp"
  32 #include "runtime/handles.hpp"
  33 #include "utilities/macros.hpp"
  34 
  35 // CodeBlob Types
  36 // Used in the CodeCache to assign CodeBlobs to different CodeHeaps
  37 struct CodeBlobType {
  38   enum {
  39     MethodNonProfiled   = 0,    // Execution level 1 and 4 (non-profiled) nmethods (including native nmethods)
  40     MethodProfiled      = 1,    // Execution level 2 and 3 (profiled) nmethods
  41     NonNMethod          = 2,    // Non-nmethods like Buffers, Adapters and Runtime Stubs
  42     All                 = 3,    // All types (No code cache segmentation)
  43     Pregenerated        = 4,    // Special blobs, managed by CodeCacheExtensions
  44     NumTypes            = 5     // Number of CodeBlobTypes
  45   };
  46 };
  47 
  48 // CodeBlob - superclass for all entries in the CodeCache.
  49 //
  50 // Subtypes are:
  51 //   CompiledMethod       : Compiled Java methods (include method that calls to native code)
  52 //     nmethod            : JIT Compiled Java methods
  53 //   RuntimeBlob          : Non-compiled method code; generated glue code
  54 //     RuntimeStub        : Call to VM runtime methods
  55 //     DeoptimizationBlob : Used for deoptimization
  56 //     ExceptionBlob      : Used for stack unrolling
  57 //     SafepointBlob      : Used to handle illegal instruction exceptions
  58 //
  59 //
  60 // Layout:
  61 //   - header
  62 //   - relocation
  63 //   - content space
  64 //     - instruction space

  23  */
  24 
  25 #ifndef SHARE_VM_CODE_CODEBLOB_HPP
  26 #define SHARE_VM_CODE_CODEBLOB_HPP
  27 
  28 #include "asm/codeBuffer.hpp"
  29 #include "compiler/compilerDefinitions.hpp"
  30 #include "compiler/oopMap.hpp"
  31 #include "runtime/frame.hpp"
  32 #include "runtime/handles.hpp"
  33 #include "utilities/macros.hpp"
  34 
  35 // CodeBlob Types
  36 // Used in the CodeCache to assign CodeBlobs to different CodeHeaps
  37 struct CodeBlobType {
  38   enum {
  39     MethodNonProfiled   = 0,    // Execution level 1 and 4 (non-profiled) nmethods (including native nmethods)
  40     MethodProfiled      = 1,    // Execution level 2 and 3 (profiled) nmethods
  41     NonNMethod          = 2,    // Non-nmethods like Buffers, Adapters and Runtime Stubs
  42     All                 = 3,    // All types (No code cache segmentation)
  43     NumTypes            = 4     // Number of CodeBlobTypes

  44   };
  45 };
  46 
  47 // CodeBlob - superclass for all entries in the CodeCache.
  48 //
  49 // Subtypes are:
  50 //   CompiledMethod       : Compiled Java methods (include method that calls to native code)
  51 //     nmethod            : JIT Compiled Java methods
  52 //   RuntimeBlob          : Non-compiled method code; generated glue code
  53 //     RuntimeStub        : Call to VM runtime methods
  54 //     DeoptimizationBlob : Used for deoptimization
  55 //     ExceptionBlob      : Used for stack unrolling
  56 //     SafepointBlob      : Used to handle illegal instruction exceptions
  57 //
  58 //
  59 // Layout:
  60 //   - header
  61 //   - relocation
  62 //   - content space
  63 //     - instruction space