19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  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/oopMap.hpp"
  30 #include "runtime/frame.hpp"
  31 #include "runtime/handles.hpp"
  32 
  33 // CodeBlob Types
  34 // Used in the CodeCache to assign CodeBlobs to different CodeHeaps
  35 struct CodeBlobType {
  36   enum {
  37     MethodNonProfiled   = 0,    // Execution level 1 and 4 (non-profiled) nmethods (including native nmethods)
  38     MethodProfiled      = 1,    // Execution level 2 and 3 (profiled) nmethods
  39     NonMethod           = 2,    // Non-methods like Buffers, Adapters and Runtime Stubs
  40     All                 = 3,    // All types (No code cache segmentation)
  41     NumTypes            = 4     // Number of CodeBlobTypes
  42   };
  43 };
  44 
  45 // CodeBlob - superclass for all entries in the CodeCache.
  46 //
  47 // Suptypes are:
  48 //   nmethod            : Compiled Java methods (include method that calls to native code)
  49 //   RuntimeStub        : Call to VM runtime methods
  50 //   DeoptimizationBlob : Used for deoptimizatation
  51 //   ExceptionBlob      : Used for stack unrolling
  52 //   SafepointBlob      : Used to handle illegal instruction exceptions
  53 //
  54 //
  55 // Layout:
  56 //   - header
  57 //   - relocation
  58 //   - content space
  59 //     - instruction space

  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  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/oopMap.hpp"
  30 #include "runtime/frame.hpp"
  31 #include "runtime/handles.hpp"
  32 
  33 // CodeBlob Types
  34 // Used in the CodeCache to assign CodeBlobs to different CodeHeaps
  35 struct CodeBlobType {
  36   enum {
  37     MethodNonProfiled   = 0,    // Execution level 1 and 4 (non-profiled) nmethods (including native nmethods)
  38     MethodProfiled      = 1,    // Execution level 2 and 3 (profiled) nmethods
  39     NonNMethod          = 2,    // Non-nmethods like Buffers, Adapters and Runtime Stubs
  40     All                 = 3,    // All types (No code cache segmentation)
  41     NumTypes            = 4     // Number of CodeBlobTypes
  42   };
  43 };
  44 
  45 // CodeBlob - superclass for all entries in the CodeCache.
  46 //
  47 // Suptypes are:
  48 //   nmethod            : Compiled Java methods (include method that calls to native code)
  49 //   RuntimeStub        : Call to VM runtime methods
  50 //   DeoptimizationBlob : Used for deoptimizatation
  51 //   ExceptionBlob      : Used for stack unrolling
  52 //   SafepointBlob      : Used to handle illegal instruction exceptions
  53 //
  54 //
  55 // Layout:
  56 //   - header
  57 //   - relocation
  58 //   - content space
  59 //     - instruction space