| /* |
| * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. |
| * 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. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "asm/assembler.hpp" |
| #include "code/vmreg.hpp" |
| |
| // First VMReg value that could refer to a stack slot |
| VMReg VMRegImpl::stack0 = (VMReg)(intptr_t)((ConcreteRegisterImpl::number_of_registers + 7) & ~7); |
| |
| // VMRegs are 4 bytes wide on all platforms |
| const int VMRegImpl::stack_slot_size = 4; |
| const int VMRegImpl::slots_per_word = wordSize / stack_slot_size; |
| |
| const int VMRegImpl::register_count = ConcreteRegisterImpl::number_of_registers; |
| // Register names |
| const char *VMRegImpl::regName[ConcreteRegisterImpl::number_of_registers]; |
| |
| void VMRegImpl::print_on(outputStream* st) const { |
| if( is_reg() ) { |
| assert( VMRegImpl::regName[value()], "" ); |
| st->print("%s",VMRegImpl::regName[value()]); |
| } else if (is_stack()) { |
| int stk = value() - stack0->value(); |
| st->print("[%d]", stk*4); |
| } else { |
| st->print("BAD!"); |
| } |
| } |