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d9bf38f39c
With this `generate_dump <somepid>` generates a valid and somewhat plausible (but still quite incomplete) minidump. As an example, on a running Fuchsia system, `ps` reported the pid of "netstack" as 6062, followed by `generate_dump 6062`, copy minidump.6062 to host, and run Breakpad's minidump_dump on the generated dump file, resulting in: https://gist.github.com/sgraham/24e4ba1af968219d7c154bb0fba43925 This looks roughly correct in that it has a bunch of threads (without much data) and a reasonable looking module list. Bug: crashpad:196 Change-Id: I3f68cc015f74374624a5ce497d46ac90df17a22c Reviewed-on: https://chromium-review.googlesource.com/1005978 Commit-Queue: Scott Graham <scottmg@chromium.org> Reviewed-by: Joshua Peraza <jperaza@chromium.org>
126 lines
5.0 KiB
C++
126 lines
5.0 KiB
C++
// Copyright 2017 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_SNAPSHOT_FUCHSIA_PROCESS_SNAPSHOT_FUCHSIA_H_
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#define CRASHPAD_SNAPSHOT_FUCHSIA_PROCESS_SNAPSHOT_FUCHSIA_H_
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#include <sys/time.h>
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#include <zircon/types.h>
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#include <memory>
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#include <vector>
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#include "base/macros.h"
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#include "snapshot/crashpad_info_client_options.h"
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#include "snapshot/elf/elf_image_reader.h"
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#include "snapshot/elf/module_snapshot_elf.h"
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#include "snapshot/fuchsia/process_reader_fuchsia.h"
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#include "snapshot/fuchsia/system_snapshot_fuchsia.h"
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#include "snapshot/fuchsia/thread_snapshot_fuchsia.h"
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#include "snapshot/process_snapshot.h"
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#include "snapshot/unloaded_module_snapshot.h"
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#include "util/misc/initialization_state_dcheck.h"
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namespace crashpad {
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//! \brief A ProcessSnapshot of a running (or crashed) process running on a
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//! Fuchsia system. This class is not yet implemented.
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class ProcessSnapshotFuchsia : public ProcessSnapshot {
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public:
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ProcessSnapshotFuchsia();
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~ProcessSnapshotFuchsia() override;
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//! \brief Initializes the object.
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//!
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//! \param[in] process The process handle to create a snapshot from.
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//!
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//! \return `true` if the snapshot could be created, `false` otherwise with
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//! an appropriate message logged.
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bool Initialize(zx_handle_t process);
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//! \brief Returns options from CrashpadInfo structures found in modules in
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//! the process.
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//!
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//! \param[out] options Options set in CrashpadInfo structures in modules in
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//! the process.
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void GetCrashpadOptions(CrashpadInfoClientOptions* options);
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//! \brief Sets the value to be returned by ReportID().
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//!
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//! On Fuchsia, the crash report ID is under the control of the snapshot
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//! producer, which may call this method to set the report ID. If this is not
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//! done, ReportID() will return an identifier consisting entirely of zeroes.
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void SetReportID(const UUID& report_id) { report_id_ = report_id; }
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//! \brief Sets the value to be returned by ClientID().
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//!
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//! On Fuchsia, the client ID is under the control of the snapshot producer,
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//! which may call this method to set the client ID. If this is not done,
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//! ClientID() will return an identifier consisting entirely of zeroes.
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void SetClientID(const UUID& client_id) { client_id_ = client_id; }
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//! \brief Sets the value to be returned by AnnotationsSimpleMap().
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//!
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//! On Fuchsia, all process annotations are under the control of the snapshot
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//! producer, which may call this method to establish these annotations.
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//! Contrast this with module annotations, which are under the control of the
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//! process being snapshotted.
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void SetAnnotationsSimpleMap(
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const std::map<std::string, std::string>& annotations_simple_map) {
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annotations_simple_map_ = annotations_simple_map;
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}
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// ProcessSnapshot:
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pid_t ProcessID() const override;
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pid_t ParentProcessID() const override;
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void SnapshotTime(timeval* snapshot_time) const override;
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void ProcessStartTime(timeval* start_time) const override;
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void ProcessCPUTimes(timeval* user_time, timeval* system_time) const override;
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void ReportID(UUID* report_id) const override;
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void ClientID(UUID* client_id) const override;
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const std::map<std::string, std::string>& AnnotationsSimpleMap()
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const override;
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const SystemSnapshot* System() const override;
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std::vector<const ThreadSnapshot*> Threads() const override;
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std::vector<const ModuleSnapshot*> Modules() const override;
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std::vector<UnloadedModuleSnapshot> UnloadedModules() const override;
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const ExceptionSnapshot* Exception() const override;
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std::vector<const MemoryMapRegionSnapshot*> MemoryMap() const override;
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std::vector<HandleSnapshot> Handles() const override;
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std::vector<const MemorySnapshot*> ExtraMemory() const override;
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private:
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// Initializes threads_ on behalf of Initialize().
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void InitializeThreads();
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// Initializes modules_ on behalf of Initialize().
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void InitializeModules();
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internal::SystemSnapshotFuchsia system_;
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std::vector<std::unique_ptr<internal::ThreadSnapshotFuchsia>> threads_;
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std::vector<std::unique_ptr<internal::ModuleSnapshotElf>> modules_;
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ProcessReaderFuchsia process_reader_;
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std::map<std::string, std::string> annotations_simple_map_;
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UUID report_id_;
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UUID client_id_;
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timeval snapshot_time_;
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InitializationStateDcheck initialized_;
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DISALLOW_COPY_AND_ASSIGN(ProcessSnapshotFuchsia);
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};
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} // namespace crashpad
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#endif // CRASHPAD_SNAPSHOT_FUCHSIA_PROCESS_SNAPSHOT_FUCHSIA_H_
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