src/share/vm/code/vmreg.cpp

Thu, 03 Oct 2013 16:38:21 +0400

author
iveresov
date
Thu, 03 Oct 2013 16:38:21 +0400
changeset 5802
268e7a2178d7
parent 3882
8c92982cbbc4
child 6876
710a3c8b516e
permissions
-rw-r--r--

Merge

duke@435 1 /*
kvn@3882 2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #include "precompiled.hpp"
stefank@2314 26 #include "asm/assembler.hpp"
stefank@2314 27 #include "code/vmreg.hpp"
duke@435 28
duke@435 29 // First VMReg value that could refer to a stack slot
kvn@3882 30 VMReg VMRegImpl::stack0 = (VMReg)(intptr_t)((ConcreteRegisterImpl::number_of_registers + 7) & ~7);
duke@435 31
duke@435 32 // VMRegs are 4 bytes wide on all platforms
duke@435 33 const int VMRegImpl::stack_slot_size = 4;
duke@435 34 const int VMRegImpl::slots_per_word = wordSize / stack_slot_size;
duke@435 35
duke@435 36 const int VMRegImpl::register_count = ConcreteRegisterImpl::number_of_registers;
duke@435 37 // Register names
duke@435 38 const char *VMRegImpl::regName[ConcreteRegisterImpl::number_of_registers];
duke@435 39
kvn@460 40 void VMRegImpl::print_on(outputStream* st) const {
duke@435 41 if( is_reg() ) {
duke@435 42 assert( VMRegImpl::regName[value()], "" );
kvn@460 43 st->print("%s",VMRegImpl::regName[value()]);
duke@435 44 } else if (is_stack()) {
duke@435 45 int stk = value() - stack0->value();
kvn@460 46 st->print("[%d]", stk*4);
duke@435 47 } else {
kvn@460 48 st->print("BAD!");
duke@435 49 }
kvn@460 50 }

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