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comparison src/share/vm/code/vmreg.cpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c5cbd367e4d1
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1998-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 #include "incls/_precompiled.incl"
26 #include "incls/_vmreg.cpp.incl"
27
28 // First VMReg value that could refer to a stack slot
29 VMReg VMRegImpl::stack0 = (VMReg)(intptr_t)((ConcreteRegisterImpl::number_of_registers + 1) & ~1);
30
31 // VMRegs are 4 bytes wide on all platforms
32 const int VMRegImpl::stack_slot_size = 4;
33 const int VMRegImpl::slots_per_word = wordSize / stack_slot_size;
34
35 const int VMRegImpl::register_count = ConcreteRegisterImpl::number_of_registers;
36 // Register names
37 const char *VMRegImpl::regName[ConcreteRegisterImpl::number_of_registers];
38
39 void VMRegImpl::print() {
40 #ifndef PRODUCT
41 if( is_reg() ) {
42 assert( VMRegImpl::regName[value()], "" );
43 tty->print("%s",VMRegImpl::regName[value()]);
44 } else if (is_stack()) {
45 int stk = value() - stack0->value();
46 tty->print("[%d]", stk*4);
47 } else {
48 tty->print("BAD!");
49 }
50 #endif // PRODUCT
51 }