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658cd3e1a7
The next big piece of functionality in snapshot. There's a bit more grubbing around in the NT internals than would be nice, and it has made me start to question the value avoiding MinidumpWriteDump. But this seems to extract most of the data we need (I haven't pulled the cpu context yet, but I hope that won't be too hard.) R=mark@chromium.org BUG=crashpad:1 Review URL: https://codereview.chromium.org/1131473005
69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
// Copyright 2015 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_WIN_MEMORY_SNAPSHOT_WIN_H_
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#define CRASHPAD_SNAPSHOT_WIN_MEMORY_SNAPSHOT_WIN_H_
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#include <stdint.h>
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#include <sys/types.h>
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#include "base/basictypes.h"
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#include "snapshot/memory_snapshot.h"
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#include "snapshot/win/process_reader_win.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 MemorySnapshot of a memory region in a process on the running
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//! system, when the system runs Windows.
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class MemorySnapshotWin final : public MemorySnapshot {
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public:
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MemorySnapshotWin();
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~MemorySnapshotWin() override;
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//! \brief Initializes the object.
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//!
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//! Memory is read lazily. No attempt is made to read the memory snapshot data
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//! until Read() is called, and the memory snapshot data is discared when
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//! Read() returns.
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//!
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//! \param[in] process_reader A reader for the process being snapshotted.
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//! \param[in] address The base address of the memory region to snapshot, in
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//! the snapshot process' address space.
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//! \param[in] size The size of the memory region to snapshot.
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void Initialize(ProcessReaderWin* process_reader,
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uint64_t address,
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uint64_t size);
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// MemorySnapshot:
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uint64_t Address() const override;
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size_t Size() const override;
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bool Read(Delegate* delegate) const override;
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private:
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ProcessReaderWin* process_reader_; // weak
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uint64_t address_;
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size_t size_;
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InitializationStateDcheck initialized_;
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DISALLOW_COPY_AND_ASSIGN(MemorySnapshotWin);
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};
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} // namespace internal
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} // namespace crashpad
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#endif // CRASHPAD_SNAPSHOT_WIN_MEMORY_SNAPSHOT_WIN_H_
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