Mercurial > hg > truffle
annotate src/share/vm/utilities/decoder.cpp @ 2192:b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
Reviewed-by: dholmes, bdelsart
author | bobv |
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date | Wed, 02 Feb 2011 11:35:26 -0500 |
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1 /* |
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2 * Copyright (c) 1997, 2010, 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 "prims/jvm.h" |
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27 #include "utilities/decoder.hpp" |
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28 |
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29 Decoder::decoder_status Decoder::_decoder_status = Decoder::no_error; |
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30 bool Decoder::_initialized = false; |
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31 |
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32 #ifndef _WINDOWS |
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33 |
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34 // Implementation of common functionalities among Solaris and Linux |
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35 #include "utilities/elfFile.hpp" |
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36 |
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37 ElfFile* Decoder::_opened_elf_files = NULL; |
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38 |
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39 bool Decoder::can_decode_C_frame_in_vm() { |
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40 return true; |
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41 } |
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42 |
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43 void Decoder::initialize() { |
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44 _initialized = true; |
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45 } |
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46 |
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47 void Decoder::uninitialize() { |
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48 if (_opened_elf_files != NULL) { |
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49 delete _opened_elf_files; |
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50 _opened_elf_files = NULL; |
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51 } |
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52 _initialized = false; |
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53 } |
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54 |
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55 Decoder::decoder_status Decoder::decode(address addr, const char* filepath, char *buf, int buflen, int *offset) { |
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56 if (_decoder_status != no_error) { |
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57 return _decoder_status; |
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58 } |
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59 |
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60 ElfFile* file = get_elf_file(filepath); |
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61 if (_decoder_status != no_error) { |
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62 return _decoder_status; |
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63 } |
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64 |
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65 const char* symbol = file->decode(addr, offset); |
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66 if (file->get_status() == out_of_memory) { |
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67 _decoder_status = out_of_memory; |
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68 return _decoder_status; |
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69 } else if (symbol != NULL) { |
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70 if (!demangle(symbol, buf, buflen)) { |
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71 jio_snprintf(buf, buflen, "%s", symbol); |
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72 } |
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73 return no_error; |
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74 } else { |
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75 return symbol_not_found; |
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76 } |
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77 } |
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78 |
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79 ElfFile* Decoder::get_elf_file(const char* filepath) { |
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80 if (_decoder_status != no_error) { |
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81 return NULL; |
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82 } |
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83 ElfFile* file = _opened_elf_files; |
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84 while (file != NULL) { |
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85 if (file->same_elf_file(filepath)) { |
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86 return file; |
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87 } |
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88 file = file->m_next; |
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89 } |
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90 |
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91 file = new ElfFile(filepath); |
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92 if (file == NULL) { |
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93 _decoder_status = out_of_memory; |
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94 } |
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95 if (_opened_elf_files != NULL) { |
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96 file->m_next = _opened_elf_files; |
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97 } |
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98 |
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99 _opened_elf_files = file; |
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100 return file; |
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101 } |
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102 |
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103 #endif |
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104 |