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 /*

  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.

  * Copyright 2007, 2008 Red Hat, Inc.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  *

  */

 #ifndef CPU_ZERO_VM_BYTECODEINTERPRETER_ZERO_HPP

 #define CPU_ZERO_VM_BYTECODEINTERPRETER_ZERO_HPP

 // Platform specific for C++ based Interpreter

 #if defined(PPC) || defined(SPARC) || defined(IA64)

 #define LOTS_OF_REGS   // Use plenty of registers

 #else

 #undef LOTS_OF_REGS    // Loser platforms

 #endif

  private:

   interpreterState _self_link;

  public:

   inline void set_locals(intptr_t* new_locals) {

     _locals = new_locals;

   }

   inline void set_method(methodOop new_method) {

     _method = new_method;

   }

   inline interpreterState self_link() {

     return _self_link;

   }

   inline void set_self_link(interpreterState new_self_link) {

     _self_link = new_self_link;

   }

   inline interpreterState prev_link() {

     return _prev_link;

   }

   inline void set_prev_link(interpreterState new_prev_link) {

     _prev_link = new_prev_link;

   }

   inline void set_stack_limit(intptr_t* new_stack_limit) {

     _stack_limit = new_stack_limit;

   }

   inline void set_stack_base(intptr_t* new_stack_base) {

     _stack_base = new_stack_base;

   }

   inline void set_monitor_base(BasicObjectLock *new_monitor_base) {

     _monitor_base = new_monitor_base;

   }

   inline void set_thread(JavaThread* new_thread) {

     _thread = new_thread;

   }

   inline void set_constants(constantPoolCacheOop new_constants) {

     _constants = new_constants;

   }

   inline oop oop_temp() {

     return _oop_temp;

   }

   inline oop *oop_temp_addr() {

     return &_oop_temp;

   }

   inline void set_oop_temp(oop new_oop_temp) {

     _oop_temp = new_oop_temp;

   }

   inline address callee_entry_point() {

     return _result._to_call._callee_entry_point;

   }

   inline address osr_buf() {

     return _result._osr._osr_buf;

   }

   inline address osr_entry() {

     return _result._osr._osr_entry;

   }

  public:

   const char *name_of_field_at_address(address addr);

 // The frame manager handles this

 #define SET_LAST_JAVA_FRAME()

 #define RESET_LAST_JAVA_FRAME()

 // ZeroStack Implementation

 #undef STACK_INT

 #undef STACK_FLOAT

 #undef STACK_ADDR

 #undef STACK_OBJECT

 #undef STACK_DOUBLE

 #undef STACK_LONG

 #define GET_STACK_SLOT(offset)    (*((intptr_t*) &topOfStack[-(offset)]))

 #define STACK_SLOT(offset)    ((address) &topOfStack[-(offset)])

 #define STACK_ADDR(offset)    (*((address *) &topOfStack[-(offset)]))

 #define STACK_INT(offset)     (*((jint*) &topOfStack[-(offset)]))

 #define STACK_FLOAT(offset)   (*((jfloat *) &topOfStack[-(offset)]))

 #define STACK_OBJECT(offset)  (*((oop *) &topOfStack [-(offset)]))

 #define STACK_DOUBLE(offset)  (((VMJavaVal64*) &topOfStack[-(offset)])->d)

 #define STACK_LONG(offset)    (((VMJavaVal64 *) &topOfStack[-(offset)])->l)

 #define SET_STACK_SLOT(value, offset)   (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))

 #define SET_STACK_ADDR(value, offset)   (*((address *)&topOfStack[-(offset)]) = (value))

 #define SET_STACK_INT(value, offset)    (*((jint *)&topOfStack[-(offset)]) = (value))

 #define SET_STACK_FLOAT(value, offset)  (*((jfloat *)&topOfStack[-(offset)]) = (value))

 #define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))

 #define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))

 #define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d =  \

                                                  ((VMJavaVal64*)(addr))->d)

 #define SET_STACK_LONG(value, offset)   (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))

 #define SET_STACK_LONG_FROM_ADDR(addr, offset)   (((VMJavaVal64*)&topOfStack[-(offset)])->l =  \

                                                  ((VMJavaVal64*)(addr))->l)

 // JavaLocals implementation

 #define LOCALS_SLOT(offset)    ((intptr_t*)&locals[-(offset)])

 #define LOCALS_ADDR(offset)    ((address)locals[-(offset)])

 #define LOCALS_INT(offset)     (*((jint*)&locals[-(offset)]))

 #define LOCALS_FLOAT(offset)   (*((jfloat*)&locals[-(offset)]))

 #define LOCALS_OBJECT(offset)  ((oop)locals[-(offset)])

 #define LOCALS_DOUBLE(offset)  (((VMJavaVal64*)&locals[-((offset) + 1)])->d)

 #define LOCALS_LONG(offset)    (((VMJavaVal64*)&locals[-((offset) + 1)])->l)

 #define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)]))

 #define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)]))

 #define SET_LOCALS_SLOT(value, offset)    (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))

 #define SET_LOCALS_ADDR(value, offset)    (*((address *)&locals[-(offset)]) = (value))

 #define SET_LOCALS_INT(value, offset)     (*((jint *)&locals[-(offset)]) = (value))

 #define SET_LOCALS_FLOAT(value, offset)   (*((jfloat *)&locals[-(offset)]) = (value))

 #define SET_LOCALS_OBJECT(value, offset)  (*((oop *)&locals[-(offset)]) = (value))

 #define SET_LOCALS_DOUBLE(value, offset)  (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value))

 #define SET_LOCALS_LONG(value, offset)    (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value))

 #define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \

                                                   ((VMJavaVal64*)(addr))->d)

 #define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = \

                                                 ((VMJavaVal64*)(addr))->l)

 #endif // CPU_ZERO_VM_BYTECODEINTERPRETER_ZERO_HPP