18  *
  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_STUBS_HPP
  26 #define SHARE_VM_CODE_STUBS_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #ifdef TARGET_OS_FAMILY_linux
  30 # include "os_linux.inline.hpp"
  31 #endif
  32 #ifdef TARGET_OS_FAMILY_solaris
  33 # include "os_solaris.inline.hpp"
  34 #endif
  35 #ifdef TARGET_OS_FAMILY_windows
  36 # include "os_windows.inline.hpp"
  37 #endif



  38 
  39 // The classes in this file provide a simple framework for the
  40 // management of little pieces of machine code - or stubs -
  41 // created on the fly and frequently discarded. In this frame-
  42 // work stubs are stored in a queue.
  43 
  44 
  45 // Stub serves as abstract base class. A concrete stub
  46 // implementation is a subclass of Stub, implementing
  47 // all (non-virtual!) functions required sketched out
  48 // in the Stub class.
  49 //
  50 // A concrete stub layout may look like this (both data
  51 // and code sections could be empty as well):
  52 //
  53 //                ________
  54 // stub       -->|        | <--+
  55 //               |  data  |    |
  56 //               |________|    |
  57 // code_begin -->|        |    |

  18  *
  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_STUBS_HPP
  26 #define SHARE_VM_CODE_STUBS_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #ifdef TARGET_OS_FAMILY_linux
  30 # include "os_linux.inline.hpp"
  31 #endif
  32 #ifdef TARGET_OS_FAMILY_solaris
  33 # include "os_solaris.inline.hpp"
  34 #endif
  35 #ifdef TARGET_OS_FAMILY_windows
  36 # include "os_windows.inline.hpp"
  37 #endif
  38 #ifdef TARGET_OS_FAMILY_bsd
  39 # include "os_bsd.inline.hpp"
  40 #endif
  41 
  42 // The classes in this file provide a simple framework for the
  43 // management of little pieces of machine code - or stubs -
  44 // created on the fly and frequently discarded. In this frame-
  45 // work stubs are stored in a queue.
  46 
  47 
  48 // Stub serves as abstract base class. A concrete stub
  49 // implementation is a subclass of Stub, implementing
  50 // all (non-virtual!) functions required sketched out
  51 // in the Stub class.
  52 //
  53 // A concrete stub layout may look like this (both data
  54 // and code sections could be empty as well):
  55 //
  56 //                ________
  57 // stub       -->|        | <--+
  58 //               |  data  |    |
  59 //               |________|    |
  60 // code_begin -->|        |    |