9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  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_VMREG_HPP
  26 #define SHARE_VM_CODE_VMREG_HPP
  27 
  28 #include "asm/register.hpp"
  29 #include "memory/allocation.hpp"
  30 #include "utilities/globalDefinitions.hpp"
  31 #include "utilities/macros.hpp"
  32 #include "utilities/ostream.hpp"
  33 #ifdef COMPILER2
  34 #include "opto/adlcVMDeps.hpp"
  35 #endif
  36 
  37 //------------------------------VMReg------------------------------------------
  38 // The VM uses 'unwarped' stack slots; the compiler uses 'warped' stack slots.
  39 // Register numbers below VMRegImpl::stack0 are the same for both.  Register
  40 // numbers above stack0 are either warped (in the compiler) or unwarped
  41 // (in the VM).  Unwarped numbers represent stack indices, offsets from
  42 // the current stack pointer.  Warped numbers are required during compilation
  43 // when we do not yet know how big the frame will be.
  44 
  45 class VMRegImpl;
  46 typedef VMRegImpl* VMReg;
  47 
  48 class VMRegImpl {
  49 // friend class OopMap;

   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  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_VMREG_HPP
  26 #define SHARE_VM_CODE_VMREG_HPP
  27 
  28 #include "asm/register.hpp"

  29 #include "utilities/globalDefinitions.hpp"
  30 #include "utilities/macros.hpp"
  31 #include "utilities/ostream.hpp"
  32 #ifdef COMPILER2
  33 #include "opto/adlcVMDeps.hpp"
  34 #endif
  35 
  36 //------------------------------VMReg------------------------------------------
  37 // The VM uses 'unwarped' stack slots; the compiler uses 'warped' stack slots.
  38 // Register numbers below VMRegImpl::stack0 are the same for both.  Register
  39 // numbers above stack0 are either warped (in the compiler) or unwarped
  40 // (in the VM).  Unwarped numbers represent stack indices, offsets from
  41 // the current stack pointer.  Warped numbers are required during compilation
  42 // when we do not yet know how big the frame will be.
  43 
  44 class VMRegImpl;
  45 typedef VMRegImpl* VMReg;
  46 
  47 class VMRegImpl {
  48 // friend class OopMap;