/*

 * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.

 * Copyright 2007, 2008, 2011 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_BYTECODEINTERPRETER_ZERO_HPP

#define CPU_ZERO_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(Method* new_method) {

    _method = new_method;

  }

  inline void set_mirror(oop new_mirror) {

    _mirror = new_mirror;

  }

  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(ConstantPoolCache* 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)  (cast_to_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)

// VMSlots implementation

#define VMSLOTS_SLOT(offset)    ((intptr_t*)&vmslots[(offset)])

#define VMSLOTS_ADDR(offset)    ((address)vmslots[(offset)])

#define VMSLOTS_INT(offset)     (*((jint*)&vmslots[(offset)]))

#define VMSLOTS_FLOAT(offset)   (*((jfloat*)&vmslots[(offset)]))

#define VMSLOTS_OBJECT(offset)  ((oop)vmslots[(offset)])

#define VMSLOTS_DOUBLE(offset)  (((VMJavaVal64*)&vmslots[(offset) - 1])->d)

#define VMSLOTS_LONG(offset)    (((VMJavaVal64*)&vmslots[(offset) - 1])->l)

#define SET_VMSLOTS_SLOT(value, offset)   (*(intptr_t*)&vmslots[(offset)] = *(intptr_t *)(value))

#define SET_VMSLOTS_ADDR(value, offset)   (*((address *)&vmslots[(offset)]) = (value))

#define SET_VMSLOTS_INT(value, offset)    (*((jint *)&vmslots[(offset)]) = (value))

#define SET_VMSLOTS_FLOAT(value, offset)  (*((jfloat *)&vmslots[(offset)]) = (value))

#define SET_VMSLOTS_OBJECT(value, offset) (*((oop *)&vmslots[(offset)]) = (value))

#define SET_VMSLOTS_DOUBLE(value, offset) (((VMJavaVal64*)&vmslots[(offset) - 1])->d = (value))

#define SET_VMSLOTS_LONG(value, offset)   (((VMJavaVal64*)&vmslots[(offset) - 1])->l = (value))

#endif // CPU_ZERO_BYTECODEINTERPRETER_ZERO_HPP