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5a21de6a1b
Retrieve context and save to thread context. NtQueryInformationThread is no longer required (right now?) because to retrieve the CONTEXT, the thread needs to be Suspend/ResumeThread'd anyway, and the return value of SuspendThread is the previous SuspendCount. I haven't handle the x86 case yet -- that would ideally be via Wow64GetThreadContext (I think) but unfortunately that's Vista+, so I'll likely need to to a bit of fiddling to get that sorted out. (It's actually likely going to be NtQueryInformationThread again, but one thing at a time for now.) R=cpu@chromium.org, rsesek@chromium.org TBR=mark@chromium.org BUG=crashpad:1 Review URL: https://codereview.chromium.org/1133203002
81 lines
2.5 KiB
C++
81 lines
2.5 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_THREAD_SNAPSHOT_WIN_H_
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#define CRASHPAD_SNAPSHOT_WIN_THREAD_SNAPSHOT_WIN_H_
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#include <stdint.h>
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#include "base/basictypes.h"
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#include "snapshot/cpu_context.h"
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#include "snapshot/memory_snapshot.h"
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#include "snapshot/thread_snapshot.h"
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#include "snapshot/win/memory_snapshot_win.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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class ProcessReaderWin;
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namespace internal {
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//! \brief A ThreadSnapshot of a thread in a running (or crashed) process on a
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//! Windows system.
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class ThreadSnapshotWin final : public ThreadSnapshot {
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public:
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ThreadSnapshotWin();
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~ThreadSnapshotWin() override;
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//! \brief Initializes the object.
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//!
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//! \param[in] process_reader A ProcessReaderWin for the process containing
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//! the thread.
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//! \param[in] process_reader_thread The thread within the ProcessReaderWin
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//! for which the snapshot should be created.
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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(ProcessReaderWin* process_reader,
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const ProcessReaderWin::Thread& process_reader_thread);
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// ThreadSnapshot:
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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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private:
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#if defined(ARCH_CPU_X86_FAMILY)
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union {
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CPUContextX86 x86;
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CPUContextX86_64 x86_64;
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} context_union_;
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#endif
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CPUContext context_;
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MemorySnapshotWin stack_;
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ProcessReaderWin::Thread thread_;
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InitializationStateDcheck initialized_;
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DISALLOW_COPY_AND_ASSIGN(ThreadSnapshotWin);
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};
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} // namespace internal
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} // namespace crashpad
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#endif // CRASHPAD_SNAPSHOT_WIN_THREAD_SNAPSHOT_WIN_H_
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