jdk8-mips64-public/hotspot: src/share/vm/code/vmreg.cpp@ac27a9c85bea

     1 /*

     2  * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

     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  */

    25 #include "precompiled.hpp"

    26 #include "asm/assembler.hpp"

    27 #include "code/vmreg.hpp"

    29 // First VMReg value that could refer to a stack slot

    30 VMReg VMRegImpl::stack0 = (VMReg)(intptr_t)((ConcreteRegisterImpl::number_of_registers + 7) & ~7);

    32 // VMRegs are 4 bytes wide on all platforms

    33 const int VMRegImpl::stack_slot_size = 4;

    34 const int VMRegImpl::slots_per_word = wordSize / stack_slot_size;

    36 const int VMRegImpl::register_count = ConcreteRegisterImpl::number_of_registers;

    37 // Register names

    38 const char *VMRegImpl::regName[ConcreteRegisterImpl::number_of_registers];

    40 void VMRegImpl::print_on(outputStream* st) const {

    41   if( is_reg() ) {

    42     assert( VMRegImpl::regName[value()], "" );

    43     st->print("%s",VMRegImpl::regName[value()]);

    44   } else if (is_stack()) {

    45     int stk = value() - stack0->value();

    46     st->print("[%d]", stk*4);

    47   } else {

    48     st->print("BAD!");

    49   }

    50 }

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