/*
* 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!");
}
}