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761c6fe8be
Bug: chromium:893460 Change-Id: Ifbeb6f937a6b96c77b02dcf8afe492c5bc617435 Reviewed-on: https://chromium-review.googlesource.com/c/1347773 Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org>
113 lines
3.6 KiB
C++
113 lines
3.6 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_EXCEPTION_SNAPSHOT_WIN_H_
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#define CRASHPAD_SNAPSHOT_WIN_EXCEPTION_SNAPSHOT_WIN_H_
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#include <windows.h>
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#include <stdint.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 "build/build_config.h"
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#include "snapshot/cpu_context.h"
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#include "snapshot/exception_snapshot.h"
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#include "snapshot/win/thread_snapshot_win.h"
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#include "util/misc/initialization_state_dcheck.h"
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#include "util/win/address_types.h"
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#include "util/win/process_structs.h"
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namespace crashpad {
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class ProcessReaderWin;
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namespace internal {
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class MemorySnapshotWin;
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union CPUContextUnion {
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#if defined(ARCH_CPU_X86_FAMILY)
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CPUContextX86 x86;
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CPUContextX86_64 x86_64;
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#elif defined(ARCH_CPU_ARM64)
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CPUContextARM64 arm64;
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#endif
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};
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class ExceptionSnapshotWin final : public ExceptionSnapshot {
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public:
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ExceptionSnapshotWin();
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~ExceptionSnapshotWin() 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 that
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//! sustained the exception.
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//! \param[in] thread_id The thread ID in which the exception occurred.
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//! \param[in] exception_pointers The address of an `EXCEPTION_POINTERS`
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//! record in the target process, passed through from the exception
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//! handler.
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//!
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//! \note If the exception was triggered by
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//! CrashpadClient::DumpAndCrashTargetProcess(), this has the side-effect
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//! of correcting the thread suspend counts for \a process_reader.
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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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DWORD thread_id,
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WinVMAddress exception_pointers);
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// ExceptionSnapshot:
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const CPUContext* Context() const override;
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uint64_t ThreadID() const override;
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uint32_t Exception() const override;
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uint32_t ExceptionInfo() const override;
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uint64_t ExceptionAddress() const override;
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const std::vector<uint64_t>& Codes() const override;
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std::vector<const MemorySnapshot*> ExtraMemory() const override;
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private:
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template <class ExceptionRecordType,
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class ExceptionPointersType,
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class ContextType>
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bool InitializeFromExceptionPointers(
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ProcessReaderWin* process_reader,
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WinVMAddress exception_pointers_address,
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DWORD exception_thread_id,
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void (*native_to_cpu_context)(const ContextType& context_record,
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CPUContext* context,
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CPUContextUnion* context_union));
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CPUContextUnion context_union_;
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CPUContext context_;
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std::vector<uint64_t> codes_;
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std::vector<std::unique_ptr<internal::MemorySnapshotWin>> extra_memory_;
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uint64_t thread_id_;
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uint64_t exception_address_;
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uint32_t exception_flags_;
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DWORD exception_code_;
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InitializationStateDcheck initialized_;
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DISALLOW_COPY_AND_ASSIGN(ExceptionSnapshotWin);
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};
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} // namespace internal
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} // namespace crashpad
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#endif // CRASHPAD_SNAPSHOT_WIN_EXCEPTION_SNAPSHOT_WIN_H_
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