annotate src/share/vm/utilities/decoder_elf.hpp @ 4803:d7e3846464d0

7071311: Decoder enhancement Summary: Made decoder thread-safe Reviewed-by: coleenp, kamg
author zgu
date Tue, 17 Jan 2012 13:08:52 -0500
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children db006a85bf91
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1 /*
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2 * Copyright (c) 2011, 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 #ifndef SHARE_VM_UTILITIES_DECODER_ELF_HPP
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26 #define SHARE_VM_UTILITIES_DECODER_ELF_HPP
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27
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28 #if !defined(_WINDOWS) && !defined(__APPLE__)
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29
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30 #include "utilities/decoder.hpp"
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31 #include "utilities/elfFile.hpp"
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32
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33 class ElfDecoder: public NullDecoder {
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34
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35 public:
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36 ElfDecoder() {
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37 _opened_elf_files = NULL;
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38 _decoder_status = no_error;
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39 }
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40 ~ElfDecoder();
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41
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42 bool can_decode_C_frame_in_vm() const { return true; }
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43
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44 bool demangle(const char* symbol, char *buf, int buflen);
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45 bool decode(address addr, char *buf, int buflen, int* offset, const char* filepath = NULL);
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46
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47 private:
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48 ElfFile* get_elf_file(const char* filepath);
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49
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50 private:
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51 ElfFile* _opened_elf_files;
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52 };
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53
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54 #endif
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55 #endif // SHARE_VM_UTILITIES_DECODER_ELF_HPP