Collect module information from the stability file

components/browser_watcher/postmortem_report_collector.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/browser_watcher/postmortem_report_collector.h"
 
 #include <utility>
 
 #include "base/debug/activity_analyzer.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/path_service.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/browser_watcher/postmortem_minidump_writer.h"
 #include "third_party/crashpad/crashpad/client/settings.h"
 #include "third_party/crashpad/crashpad/util/misc/uuid.h"
 
 using base::FilePath;
 
 namespace browser_watcher {
 
 using ActivitySnapshot = base::debug::ThreadActivityAnalyzer::Snapshot;
 using base::debug::ActivityUserData;
 using base::debug::GlobalActivityAnalyzer;
+using base::debug::GlobalActivityTracker;
 using base::debug::ThreadActivityAnalyzer;
 using crashpad::CrashReportDatabase;
 
 namespace {
 
 // Collects stability user data from the recorded format to the collected
 // format.
 void CollectUserData(
     const ActivityUserData::Snapshot& recorded_map,
     google::protobuf::Map<std::string, TypedValue>* collected_map) {
@@ skipping 44 matching lines @@
         break;
       case ActivityUserData::UNSIGNED_VALUE:
         collected_value.set_unsigned_value(recorded_value.GetUint());
         break;
     }
 
     (*collected_map)[name_and_value.first].Swap(&collected_value);
   }
 }
 
+void CollectModuleInformation(
+    const std::vector<GlobalActivityTracker::ModuleInfo>& modules,
+    ProcessState* process_state) {
+  DCHECK(process_state);
+
+  char code_identifier[17];
+  char debug_identifier[41];
+
+  for (const GlobalActivityTracker::ModuleInfo& recorded : modules) {
+    CodeModule* collected = process_state->add_modules();
+    collected->set_base_address(recorded.address);
+    collected->set_size(recorded.size);
+    collected->set_code_file(recorded.file);
+
+    // Compute the code identifier using the required format.
+    snprintf(code_identifier, sizeof(code_identifier), "%08X%zx",
+             recorded.timestamp, recorded.size);
+    collected->set_code_identifier(code_identifier);
+    collected->set_debug_file(recorded.debug_file);
+
+    // Compute the debug identifier using the required format.
+    const crashpad::UUID* uuid =
+        reinterpret_cast<const crashpad::UUID*>(recorded.identifier);
+    snprintf(debug_identifier, sizeof(debug_identifier),
+             "%08X%04X%04X%02X%02X%02X%02X%02X%02X%02X%02X%x", uuid->data_1,
+             uuid->data_2, uuid->data_3, uuid->data_4[0], uuid->data_4[1],
+             uuid->data_5[0], uuid->data_5[1], uuid->data_5[2], uuid->data_5[3],
+             uuid->data_5[4], uuid->data_5[5], recorded.age);
+    collected->set_debug_identifier(debug_identifier);
+    collected->set_is_unloaded(!recorded.is_loaded);
+  }
+}
+
 }  // namespace
 
 PostmortemReportCollector::PostmortemReportCollector(
     const std::string& product_name,
     const std::string& version_number,
     const std::string& channel_name)
     : product_name_(product_name),
       version_number_(version_number),
       channel_name_(channel_name) {}
 
@@ skipping 164 matching lines @@
       process_state->set_process_id(
           thread_analyzer->activity_snapshot().process_id);
     }
     DCHECK_EQ(thread_analyzer->activity_snapshot().process_id,
               process_state->process_id());
 
     ThreadState* thread_state = process_state->add_threads();
     CollectThread(thread_analyzer->activity_snapshot(), thread_state);
   }
 
+  // Collect module information.
+  CollectModuleInformation(global_analyzer->GetModules(), process_state);
+
   return SUCCESS;
 }
 
 void PostmortemReportCollector::CollectThread(
     const base::debug::ThreadActivityAnalyzer::Snapshot& snapshot,
     ThreadState* thread_state) {
   DCHECK(thread_state);
 
   thread_state->set_thread_name(snapshot.thread_name);
   thread_state->set_thread_id(snapshot.thread_id);
@@ skipping 56 matching lines @@
 #if defined(ARCH_CPU_X86)
   minidump_info.platform = std::string("Win32");
 #elif defined(ARCH_CPU_X86_64)
   minidump_info.platform = std::string("Win64");
 #endif
 
   return WritePostmortemDump(minidump_file, report, minidump_info);
 }
 
 }  // namespace browser_watcher