duke@435: /*
stefank@2314:  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #include "precompiled.hpp"
stefank@2314: #include "asm/assembler.hpp"
stefank@2314: #include "code/vmreg.hpp"
duke@435: 
duke@435: // First VMReg value that could refer to a stack slot
duke@435: VMReg VMRegImpl::stack0 = (VMReg)(intptr_t)((ConcreteRegisterImpl::number_of_registers + 1) & ~1);
duke@435: 
duke@435: // VMRegs are 4 bytes wide on all platforms
duke@435: const int VMRegImpl::stack_slot_size = 4;
duke@435: const int VMRegImpl::slots_per_word = wordSize / stack_slot_size;
duke@435: 
duke@435: const int VMRegImpl::register_count = ConcreteRegisterImpl::number_of_registers;
duke@435: // Register names
duke@435: const char *VMRegImpl::regName[ConcreteRegisterImpl::number_of_registers];
duke@435: 
kvn@460: void VMRegImpl::print_on(outputStream* st) const {
duke@435:   if( is_reg() ) {
duke@435:     assert( VMRegImpl::regName[value()], "" );
kvn@460:     st->print("%s",VMRegImpl::regName[value()]);
duke@435:   } else if (is_stack()) {
duke@435:     int stk = value() - stack0->value();
kvn@460:     st->print("[%d]", stk*4);
duke@435:   } else {
kvn@460:     st->print("BAD!");
duke@435:   }
kvn@460: }