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3a7e935a86
Testing in beta has shown a few examples of a cropped intermediate dump still providing useful information, but due to the order intermediate dump data is written, could be improved. - Change the order of writing data to the intermediate dump by increasing the priority of the Exception block from: Header / Process / System / Threads/ Modules / Exception to Header / Process / System / Exception / Threads / Modules - Annotate minidump reports generated from incomplete intermediate dumps with the key 'crashpad_intermediate_dump_incomplete'. - Handle partial exception contexts rather than throwing them away. Change-Id: I543c1d3135c42e5b8e339e498ea0c86002f37ea3 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3294862 Commit-Queue: Justin Cohen <justincohen@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
// Copyright 2021 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_UTIL_IOS_IOS_INTERMEDIATE_DUMP_READER_H_
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#define CRASHPAD_UTIL_IOS_IOS_INTERMEDIATE_DUMP_READER_H_
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#include "util/ios/ios_intermediate_dump_interface.h"
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#include "util/ios/ios_intermediate_dump_map.h"
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#include "util/misc/initialization_state_dcheck.h"
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namespace crashpad {
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namespace internal {
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//! \brief The return value for IOSIntermediateDumpReader::Initialize.
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enum class IOSIntermediateDumpReaderInitializeResult : int {
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//! \brief The intermediate dump was read successfully, initialization
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//! succeeded.
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kSuccess,
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//! \brief The intermediate dump could be loaded, but parsing was incomplete.
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//! An attempt to parse the RootMap should still be made, as there may
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//! still be valuable information to put into a minidump.
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kIncomplete,
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//! \brief The intermediate dump could not be loaded, initialization failed.
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kFailure,
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};
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//! \brief Open and parse iOS intermediate dumps.
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class IOSIntermediateDumpReader {
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public:
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IOSIntermediateDumpReader() {}
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IOSIntermediateDumpReader(const IOSIntermediateDumpReader&) = delete;
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IOSIntermediateDumpReader& operator=(const IOSIntermediateDumpReader&) =
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delete;
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//! \brief Open and parses \a dump_interface.
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//!
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//! Will attempt to parse the binary file, similar to a JSON file, using the
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//! same format used by IOSIntermediateDumpWriter, resulting in an
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//! IOSIntermediateDumpMap
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//!
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//! \param[in] dump_interface An interface corresponding to an intermediate
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//! dump file.
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//!
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//! \return On success, returns `true`, otherwise returns `false`. Clients may
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//! still attempt to parse RootMap, as partial minidumps may still be
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//! usable.
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IOSIntermediateDumpReaderInitializeResult Initialize(
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const IOSIntermediateDumpInterface& dump_interface);
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//! \brief Returns an IOSIntermediateDumpMap corresponding to the root of the
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//! intermediate dump.
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const IOSIntermediateDumpMap* RootMap();
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private:
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bool Parse(FileReaderInterface* reader, FileOffset file_size);
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IOSIntermediateDumpMap intermediate_dump_;
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InitializationStateDcheck initialized_;
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};
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} // namespace internal
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_IOS_IOS_INTERMEDIATE_DUMP_READER_H_
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