1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/vm/code/vmreg.cpp Wed Apr 27 01:25:04 2016 +0800 1.3 @@ -0,0 +1,50 @@ 1.4 +/* 1.5 + * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + * 1.26 + */ 1.27 + 1.28 +#include "precompiled.hpp" 1.29 +#include "asm/assembler.hpp" 1.30 +#include "code/vmreg.hpp" 1.31 + 1.32 +// First VMReg value that could refer to a stack slot 1.33 +VMReg VMRegImpl::stack0 = (VMReg)(intptr_t)((ConcreteRegisterImpl::number_of_registers + 7) & ~7); 1.34 + 1.35 +// VMRegs are 4 bytes wide on all platforms 1.36 +const int VMRegImpl::stack_slot_size = 4; 1.37 +const int VMRegImpl::slots_per_word = wordSize / stack_slot_size; 1.38 + 1.39 +const int VMRegImpl::register_count = ConcreteRegisterImpl::number_of_registers; 1.40 +// Register names 1.41 +const char *VMRegImpl::regName[ConcreteRegisterImpl::number_of_registers]; 1.42 + 1.43 +void VMRegImpl::print_on(outputStream* st) const { 1.44 + if( is_reg() ) { 1.45 + assert( VMRegImpl::regName[value()], "" ); 1.46 + st->print("%s",VMRegImpl::regName[value()]); 1.47 + } else if (is_stack()) { 1.48 + int stk = value() - stack0->value(); 1.49 + st->print("[%d]", stk*4); 1.50 + } else { 1.51 + st->print("BAD!"); 1.52 + } 1.53 +}