1 | // Copyright (c) 2014, 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 | // microdump_processor.cc: A microdump processor. |
31 | // |
32 | // See microdump_processor.h for documentation. |
33 | |
34 | #include "google_breakpad/processor/microdump_processor.h" |
35 | |
36 | #include <assert.h> |
37 | |
38 | #include <string> |
39 | |
40 | #include "common/using_std_string.h" |
41 | #include "google_breakpad/processor/call_stack.h" |
42 | #include "google_breakpad/processor/microdump.h" |
43 | #include "google_breakpad/processor/process_state.h" |
44 | #include "google_breakpad/processor/stackwalker.h" |
45 | #include "google_breakpad/processor/stack_frame_symbolizer.h" |
46 | #include "processor/logging.h" |
47 | |
48 | namespace google_breakpad { |
49 | |
50 | MicrodumpProcessor::MicrodumpProcessor(StackFrameSymbolizer* frame_symbolizer) |
51 | : frame_symbolizer_(frame_symbolizer) { |
52 | assert(frame_symbolizer); |
53 | } |
54 | |
55 | MicrodumpProcessor::~MicrodumpProcessor() {} |
56 | |
57 | ProcessResult MicrodumpProcessor::Process(Microdump *microdump, |
58 | ProcessState* process_state) { |
59 | assert(process_state); |
60 | |
61 | process_state->Clear(); |
62 | |
63 | process_state->modules_ = microdump->GetModules()->Copy(); |
64 | scoped_ptr<Stackwalker> stackwalker( |
65 | Stackwalker::StackwalkerForCPU( |
66 | &process_state->system_info_, |
67 | microdump->GetContext(), |
68 | microdump->GetMemory(), |
69 | process_state->modules_, |
70 | /* unloaded_modules= */ NULL, |
71 | frame_symbolizer_)); |
72 | |
73 | scoped_ptr<CallStack> stack(new CallStack()); |
74 | if (stackwalker.get()) { |
75 | if (!stackwalker->Walk(stack.get(), |
76 | &process_state->modules_without_symbols_, |
77 | &process_state->modules_with_corrupt_symbols_)) { |
78 | BPLOG(INFO) << "Processing was interrupted." ; |
79 | return PROCESS_SYMBOL_SUPPLIER_INTERRUPTED; |
80 | } |
81 | } else { |
82 | BPLOG(ERROR) << "No stackwalker found for microdump." ; |
83 | return PROCESS_ERROR_NO_THREAD_LIST; |
84 | } |
85 | |
86 | process_state->threads_.push_back(stack.release()); |
87 | process_state->thread_memory_regions_.push_back(microdump->GetMemory()); |
88 | process_state->crashed_ = true; |
89 | process_state->requesting_thread_ = 0; |
90 | process_state->system_info_ = *microdump->GetSystemInfo(); |
91 | process_state->crash_reason_ = microdump->GetCrashReason(); |
92 | process_state->crash_address_ = microdump->GetCrashAddress(); |
93 | |
94 | return PROCESS_OK; |
95 | } |
96 | |
97 | } // namespace google_breakpad |
98 | |