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comparison: toolkit/crashreporter/google-breakpad/src/processor/minidump_dump.cc
toolkit/crashreporter/google-breakpad/src/processor/minidump_dump.cc
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| 1 // Copyright (c) 2006, Google Inc. | |
| 2 // All rights reserved. | |
| 3 // | |
| 4 // Redistribution and use in source and binary forms, with or without | |
| 5 // modification, are permitted provided that the following conditions are | |
| 6 // met: | |
| 7 // | |
| 8 // * Redistributions of source code must retain the above copyright | |
| 9 // notice, this list of conditions and the following disclaimer. | |
| 10 // * Redistributions in binary form must reproduce the above | |
| 11 // copyright notice, this list of conditions and the following disclaimer | |
| 12 // in the documentation and/or other materials provided with the | |
| 13 // distribution. | |
| 14 // * Neither the name of Google Inc. nor the names of its | |
| 15 // contributors may be used to endorse or promote products derived from | |
| 16 // this software without specific prior written permission. | |
| 17 // | |
| 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | |
| 30 // minidump_dump.cc: Print the contents of a minidump file in somewhat | |
| 31 // readable text. | |
| 32 // | |
| 33 // Author: Mark Mentovai | |
| 34 | |
| 35 #include <stdio.h> | |
| 36 #include <string.h> | |
| 37 | |
| 38 #include "common/scoped_ptr.h" | |
| 39 #include "google_breakpad/processor/minidump.h" | |
| 40 #include "processor/logging.h" | |
| 41 | |
| 42 namespace { | |
| 43 | |
| 44 using google_breakpad::Minidump; | |
| 45 using google_breakpad::MinidumpThreadList; | |
| 46 using google_breakpad::MinidumpModuleList; | |
| 47 using google_breakpad::MinidumpMemoryInfoList; | |
| 48 using google_breakpad::MinidumpMemoryList; | |
| 49 using google_breakpad::MinidumpException; | |
| 50 using google_breakpad::MinidumpAssertion; | |
| 51 using google_breakpad::MinidumpSystemInfo; | |
| 52 using google_breakpad::MinidumpMiscInfo; | |
| 53 using google_breakpad::MinidumpBreakpadInfo; | |
| 54 | |
| 55 static void DumpRawStream(Minidump *minidump, | |
| 56 uint32_t stream_type, | |
| 57 const char *stream_name, | |
| 58 int *errors) { | |
| 59 uint32_t length = 0; | |
| 60 if (!minidump->SeekToStreamType(stream_type, &length)) { | |
| 61 return; | |
| 62 } | |
| 63 | |
| 64 printf("Stream %s:\n", stream_name); | |
| 65 | |
| 66 if (length == 0) { | |
| 67 printf("\n"); | |
| 68 return; | |
| 69 } | |
| 70 std::vector<char> contents(length); | |
| 71 if (!minidump->ReadBytes(&contents[0], length)) { | |
| 72 ++*errors; | |
| 73 BPLOG(ERROR) << "minidump.ReadBytes failed"; | |
| 74 return; | |
| 75 } | |
| 76 size_t current_offset = 0; | |
| 77 while (current_offset < length) { | |
| 78 size_t remaining = length - current_offset; | |
| 79 // Printf requires an int and direct casting from size_t results | |
| 80 // in compatibility warnings. | |
| 81 uint32_t int_remaining = remaining; | |
| 82 printf("%.*s", int_remaining, &contents[current_offset]); | |
| 83 char *next_null = reinterpret_cast<char *>( | |
| 84 memchr(&contents[current_offset], 0, remaining)); | |
| 85 if (next_null == NULL) | |
| 86 break; | |
| 87 printf("\\0\n"); | |
| 88 size_t null_offset = next_null - &contents[0]; | |
| 89 current_offset = null_offset + 1; | |
| 90 } | |
| 91 printf("\n\n"); | |
| 92 } | |
| 93 | |
| 94 static bool PrintMinidumpDump(const char *minidump_file) { | |
| 95 Minidump minidump(minidump_file); | |
| 96 if (!minidump.Read()) { | |
| 97 BPLOG(ERROR) << "minidump.Read() failed"; | |
| 98 return false; | |
| 99 } | |
| 100 minidump.Print(); | |
| 101 | |
| 102 int errors = 0; | |
| 103 | |
| 104 MinidumpThreadList *thread_list = minidump.GetThreadList(); | |
| 105 if (!thread_list) { | |
| 106 ++errors; | |
| 107 BPLOG(ERROR) << "minidump.GetThreadList() failed"; | |
| 108 } else { | |
| 109 thread_list->Print(); | |
| 110 } | |
| 111 | |
| 112 MinidumpModuleList *module_list = minidump.GetModuleList(); | |
| 113 if (!module_list) { | |
| 114 ++errors; | |
| 115 BPLOG(ERROR) << "minidump.GetModuleList() failed"; | |
| 116 } else { | |
| 117 module_list->Print(); | |
| 118 } | |
| 119 | |
| 120 MinidumpMemoryList *memory_list = minidump.GetMemoryList(); | |
| 121 if (!memory_list) { | |
| 122 ++errors; | |
| 123 BPLOG(ERROR) << "minidump.GetMemoryList() failed"; | |
| 124 } else { | |
| 125 memory_list->Print(); | |
| 126 } | |
| 127 | |
| 128 MinidumpException *exception = minidump.GetException(); | |
| 129 if (!exception) { | |
| 130 BPLOG(INFO) << "minidump.GetException() failed"; | |
| 131 } else { | |
| 132 exception->Print(); | |
| 133 } | |
| 134 | |
| 135 MinidumpAssertion *assertion = minidump.GetAssertion(); | |
| 136 if (!assertion) { | |
| 137 BPLOG(INFO) << "minidump.GetAssertion() failed"; | |
| 138 } else { | |
| 139 assertion->Print(); | |
| 140 } | |
| 141 | |
| 142 MinidumpSystemInfo *system_info = minidump.GetSystemInfo(); | |
| 143 if (!system_info) { | |
| 144 ++errors; | |
| 145 BPLOG(ERROR) << "minidump.GetSystemInfo() failed"; | |
| 146 } else { | |
| 147 system_info->Print(); | |
| 148 } | |
| 149 | |
| 150 MinidumpMiscInfo *misc_info = minidump.GetMiscInfo(); | |
| 151 if (!misc_info) { | |
| 152 ++errors; | |
| 153 BPLOG(ERROR) << "minidump.GetMiscInfo() failed"; | |
| 154 } else { | |
| 155 misc_info->Print(); | |
| 156 } | |
| 157 | |
| 158 MinidumpBreakpadInfo *breakpad_info = minidump.GetBreakpadInfo(); | |
| 159 if (!breakpad_info) { | |
| 160 // Breakpad info is optional, so don't treat this as an error. | |
| 161 BPLOG(INFO) << "minidump.GetBreakpadInfo() failed"; | |
| 162 } else { | |
| 163 breakpad_info->Print(); | |
| 164 } | |
| 165 | |
| 166 MinidumpMemoryInfoList *memory_info_list = minidump.GetMemoryInfoList(); | |
| 167 if (!memory_info_list) { | |
| 168 ++errors; | |
| 169 BPLOG(ERROR) << "minidump.GetMemoryInfoList() failed"; | |
| 170 } else { | |
| 171 memory_info_list->Print(); | |
| 172 } | |
| 173 | |
| 174 DumpRawStream(&minidump, | |
| 175 MD_LINUX_CMD_LINE, | |
| 176 "MD_LINUX_CMD_LINE", | |
| 177 &errors); | |
| 178 DumpRawStream(&minidump, | |
| 179 MD_LINUX_ENVIRON, | |
| 180 "MD_LINUX_ENVIRON", | |
| 181 &errors); | |
| 182 DumpRawStream(&minidump, | |
| 183 MD_LINUX_LSB_RELEASE, | |
| 184 "MD_LINUX_LSB_RELEASE", | |
| 185 &errors); | |
| 186 DumpRawStream(&minidump, | |
| 187 MD_LINUX_PROC_STATUS, | |
| 188 "MD_LINUX_PROC_STATUS", | |
| 189 &errors); | |
| 190 DumpRawStream(&minidump, | |
| 191 MD_LINUX_CPU_INFO, | |
| 192 "MD_LINUX_CPU_INFO", | |
| 193 &errors); | |
| 194 DumpRawStream(&minidump, | |
| 195 MD_LINUX_MAPS, | |
| 196 "MD_LINUX_MAPS", | |
| 197 &errors); | |
| 198 | |
| 199 return errors == 0; | |
| 200 } | |
| 201 | |
| 202 } // namespace | |
| 203 | |
| 204 int main(int argc, char **argv) { | |
| 205 BPLOG_INIT(&argc, &argv); | |
| 206 | |
| 207 if (argc != 2) { | |
| 208 fprintf(stderr, "usage: %s <file>\n", argv[0]); | |
| 209 return 1; | |
| 210 } | |
| 211 | |
| 212 return PrintMinidumpDump(argv[1]) ? 0 : 1; | |
| 213 } |
