annotate src/share/vm/code/vmreg.cpp @ 21205:f34ae5c01864

include reexecute, rethrow_exception and return_oop info when disassembling debug scopes
author Doug Simon <doug.simon@oracle.com>
date Mon, 04 May 2015 10:39:12 +0200
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1 /*
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2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "asm/assembler.hpp"
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27 #include "code/vmreg.hpp"
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29 // First VMReg value that could refer to a stack slot
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30 VMReg VMRegImpl::stack0 = (VMReg)(intptr_t)((ConcreteRegisterImpl::number_of_registers + 7) & ~7);
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32 // VMRegs are 4 bytes wide on all platforms
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33 const int VMRegImpl::stack_slot_size = 4;
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34 const int VMRegImpl::slots_per_word = wordSize / stack_slot_size;
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35
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36 const int VMRegImpl::register_count = ConcreteRegisterImpl::number_of_registers;
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37 // Register names
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38 const char *VMRegImpl::regName[ConcreteRegisterImpl::number_of_registers];
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39
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40 void VMRegImpl::print_on(outputStream* st) const {
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41 if( is_reg() ) {
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42 assert( VMRegImpl::regName[value()], "" );
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43 st->print("%s",VMRegImpl::regName[value()]);
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44 } else if (is_stack()) {
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45 int stk = value() - stack0->value();
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46 st->print("[%d]", stk*4);
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47 } else {
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48 st->print("BAD!");
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49 }
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50 }