Mercurial > hg > truffle
annotate src/share/vm/utilities/decoder.hpp @ 3187:6ff76a1b8339
The benchmark tool should now print zero values to the csv file, if a benchmark fails
author | Josef Haider <josef.haider@khg.jku.at> |
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date | Thu, 07 Jul 2011 19:43:17 +0200 |
parents | 2d4762ec74af |
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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 |
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26 #ifndef __DECODER_HPP |
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27 #define __DECODER_HPP |
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28 |
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29 #include "memory/allocation.hpp" |
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30 |
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31 #ifdef _WINDOWS |
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32 #include <windows.h> |
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33 #include <imagehlp.h> |
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34 |
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35 // functions needed for decoding symbols |
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36 typedef DWORD (WINAPI *pfn_SymSetOptions)(DWORD); |
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37 typedef BOOL (WINAPI *pfn_SymInitialize)(HANDLE, PCTSTR, BOOL); |
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38 typedef BOOL (WINAPI *pfn_SymGetSymFromAddr64)(HANDLE, DWORD64, PDWORD64, PIMAGEHLP_SYMBOL64); |
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39 typedef DWORD (WINAPI *pfn_UndecorateSymbolName)(const char*, char*, DWORD, DWORD); |
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40 |
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41 #else |
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42 |
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43 class ElfFile; |
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44 |
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45 #endif // _WINDOWS |
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46 |
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47 |
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48 class Decoder: public StackObj { |
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49 |
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50 public: |
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51 // status code for decoding native C frame |
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52 enum decoder_status { |
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53 no_error, // successfully decoded frames |
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54 out_of_memory, // out of memory |
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55 file_invalid, // invalid elf file |
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56 file_not_found, // could not found symbol file (on windows), such as jvm.pdb or jvm.map |
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57 helper_not_found, // could not load dbghelp.dll (Windows only) |
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58 helper_func_error, // decoding functions not found (Windows only) |
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59 helper_init_error, // SymInitialize failed (Windows only) |
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60 symbol_not_found // could not find the symbol |
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61 }; |
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62 |
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63 public: |
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64 Decoder() { initialize(); }; |
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65 ~Decoder() { uninitialize(); }; |
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66 |
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67 static bool can_decode_C_frame_in_vm(); |
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68 |
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69 static void initialize(); |
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70 static void uninitialize(); |
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71 |
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72 #ifdef _WINDOWS |
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73 static decoder_status decode(address addr, char *buf, int buflen, int *offset); |
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74 #else |
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75 static decoder_status decode(address addr, const char* filepath, char *buf, int buflen, int *offset); |
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76 #endif |
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77 |
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78 static bool demangle(const char* symbol, char *buf, int buflen); |
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79 |
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80 static decoder_status get_status() { return _decoder_status; }; |
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81 |
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82 #ifndef _WINDOWS |
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83 private: |
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84 static ElfFile* get_elf_file(const char* filepath); |
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85 #endif // _WINDOWS |
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86 |
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87 |
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88 private: |
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89 static decoder_status _decoder_status; |
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90 static bool _initialized; |
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91 |
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92 #ifdef _WINDOWS |
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93 static HMODULE _dbghelp_handle; |
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94 static bool _can_decode_in_vm; |
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95 static pfn_SymGetSymFromAddr64 _pfnSymGetSymFromAddr64; |
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96 static pfn_UndecorateSymbolName _pfnUndecorateSymbolName; |
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97 #else |
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98 static ElfFile* _opened_elf_files; |
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99 #endif // _WINDOWS |
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100 }; |
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101 |
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102 #endif // __DECODER_HPP |