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We can now get the CPU state for threads from minidump snapshots. Bug: crashpad:10 Change-Id: I6bef2b033f7b04fcfa64c114be94064f3e0ae775 Reviewed-on: https://chromium-review.googlesource.com/c/1285034 Commit-Queue: Scott Graham <scottmg@chromium.org> Reviewed-by: Scott Graham <scottmg@chromium.org>
78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
// Copyright 2018 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_MINIDUMP_THREAD_SNAPSHOT_MINIDUMP_H_
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#define CRASHPAD_SNAPSHOT_MINIDUMP_THREAD_SNAPSHOT_MINIDUMP_H_
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#include <windows.h>
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#include "minidump/minidump_extensions.h"
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#include "snapshot/thread_snapshot.h"
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#include "snapshot/cpu_context.h"
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#include "util/file/file_reader.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 A ThreadSnapshot based on a thread in a minidump file.
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class ThreadSnapshotMinidump : public ThreadSnapshot {
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public:
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ThreadSnapshotMinidump();
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~ThreadSnapshotMinidump() override;
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//! \brief Initializes the object.
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//!
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//! \param[in] file_reader A file reader corresponding to a minidump file.
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//! The file reader must support seeking.
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//! \param[in] minidump_thread_rva The file offset in \a file_reader at which
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//! the thread’s MINIDUMP_THREAD structure is located.
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//! \param[in] arch The architecture of the system this thread is running on.
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//! Used to decode CPU Context.
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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(FileReaderInterface* file_reader, RVA minidump_thread_rva,
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CPUArchitecture arch);
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const CPUContext* Context() const override;
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const MemorySnapshot* Stack() const override;
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uint64_t ThreadID() const override;
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int SuspendCount() const override;
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int Priority() const override;
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uint64_t ThreadSpecificDataAddress() const override;
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std::vector<const MemorySnapshot*> ExtraMemory() const override;
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private:
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//! \brief Initializes the CPU Context
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//!
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//! \param[in] minidump_context the raw bytes of the context data from the
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//! minidump file.
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//!
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//! \return `true` if the context could be decoded without error.
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bool InitializeContext(const std::vector<unsigned char>& minidump_context);
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MINIDUMP_THREAD minidump_thread_;
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CPUContext context_;
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std::vector<unsigned char> context_memory_;
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InitializationStateDcheck initialized_;
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DISALLOW_COPY_AND_ASSIGN(ThreadSnapshotMinidump);
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};
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} // namespace internal
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} // namespace crashpad
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#endif // CRASHPAD_SNAPSHOT_MINIDUMP_THREAD_SNAPSHOT_MINIDUMP_H_
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