1 // Copyright 2014 Google LLC
2 //
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are
5 // met:
6 //
7 // * Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above
10 // copyright notice, this list of conditions and the following disclaimer
11 // in the documentation and/or other materials provided with the
12 // distribution.
13 // * Neither the name of Google LLC nor the names of its
14 // contributors may be used to endorse or promote products derived from
15 // this software without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 // microdump_processor.cc: A microdump processor.
30 //
31 // See microdump_processor.h for documentation.
32
33 #ifdef HAVE_CONFIG_H
34 #include <config.h> // Must come first
35 #endif
36
37 #include "google_breakpad/processor/microdump_processor.h"
38
39 #include <assert.h>
40
41 #include <string>
42
43 #include "common/using_std_string.h"
44 #include "google_breakpad/processor/call_stack.h"
45 #include "google_breakpad/processor/microdump.h"
46 #include "google_breakpad/processor/process_state.h"
47 #include "google_breakpad/processor/stackwalker.h"
48 #include "google_breakpad/processor/stack_frame_symbolizer.h"
49 #include "processor/logging.h"
50
51 namespace google_breakpad {
52
MicrodumpProcessor(StackFrameSymbolizer * frame_symbolizer)53 MicrodumpProcessor::MicrodumpProcessor(StackFrameSymbolizer* frame_symbolizer)
54 : frame_symbolizer_(frame_symbolizer) {
55 assert(frame_symbolizer);
56 }
57
~MicrodumpProcessor()58 MicrodumpProcessor::~MicrodumpProcessor() {}
59
Process(Microdump * microdump,ProcessState * process_state)60 ProcessResult MicrodumpProcessor::Process(Microdump *microdump,
61 ProcessState* process_state) {
62 assert(process_state);
63
64 process_state->Clear();
65
66 process_state->modules_ = microdump->GetModules()->Copy();
67 scoped_ptr<Stackwalker> stackwalker(
68 Stackwalker::StackwalkerForCPU(
69 &process_state->system_info_,
70 microdump->GetContext(),
71 microdump->GetMemory(),
72 process_state->modules_,
73 /* unloaded_modules= */ NULL,
74 frame_symbolizer_));
75
76 scoped_ptr<CallStack> stack(new CallStack());
77 if (stackwalker.get()) {
78 if (!stackwalker->Walk(stack.get(),
79 &process_state->modules_without_symbols_,
80 &process_state->modules_with_corrupt_symbols_)) {
81 BPLOG(INFO) << "Processing was interrupted.";
82 return PROCESS_SYMBOL_SUPPLIER_INTERRUPTED;
83 }
84 } else {
85 BPLOG(ERROR) << "No stackwalker found for microdump.";
86 return PROCESS_ERROR_NO_THREAD_LIST;
87 }
88
89 process_state->threads_.push_back(stack.release());
90 process_state->thread_memory_regions_.push_back(microdump->GetMemory());
91 process_state->crashed_ = true;
92 process_state->requesting_thread_ = 0;
93 process_state->system_info_ = *microdump->GetSystemInfo();
94 process_state->crash_reason_ = microdump->GetCrashReason();
95 process_state->crash_address_ = microdump->GetCrashAddress();
96
97 return PROCESS_OK;
98 }
99
100 } // namespace google_breakpad
101