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1 /*
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2 * Copyright 1997-1999 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 // The disassembler prints out intel 386 code annotated
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26 // with Java specific information.
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27
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28 class Disassembler {
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29 #ifndef PRODUCT
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30 private:
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31 typedef address (*decode_func)(address start, DisassemblerEnv* env);
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32 // points the library.
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33 static void* _library;
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34 // points to the decode function.
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35 static decode_func _decode_instruction;
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36 // tries to load library and return whether it succedded.
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37 static bool load_library();
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38 // decodes one instruction and return the start of the next instruction.
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39 static address decode_instruction(address start, DisassemblerEnv* env);
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40 #endif
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41 public:
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42 static void decode(CodeBlob *cb, outputStream* st = NULL) PRODUCT_RETURN;
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43 static void decode(nmethod* nm, outputStream* st = NULL) PRODUCT_RETURN;
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44 static void decode(u_char* begin, u_char* end, outputStream* st = NULL) PRODUCT_RETURN;
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45 };
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